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19#define _ATFILE_SOURCE
20#include "qemu/osdep.h"
21#include "qemu/cutils.h"
22#include "qemu/path.h"
23#include "qemu/memfd.h"
24#include "qemu/queue.h"
25#include <elf.h>
26#include <endian.h>
27#include <grp.h>
28#include <sys/ipc.h>
29#include <sys/msg.h>
30#include <sys/wait.h>
31#include <sys/mount.h>
32#include <sys/file.h>
33#include <sys/fsuid.h>
34#include <sys/personality.h>
35#include <sys/prctl.h>
36#include <sys/resource.h>
37#include <sys/swap.h>
38#include <linux/capability.h>
39#include <sched.h>
40#include <sys/timex.h>
41#include <sys/socket.h>
42#include <linux/sockios.h>
43#include <sys/un.h>
44#include <sys/uio.h>
45#include <poll.h>
46#include <sys/times.h>
47#include <sys/shm.h>
48#include <sys/sem.h>
49#include <sys/statfs.h>
50#include <utime.h>
51#include <sys/sysinfo.h>
52#include <sys/signalfd.h>
53
54#include <netinet/in.h>
55#include <netinet/ip.h>
56#include <netinet/tcp.h>
57#include <netinet/udp.h>
58#include <linux/wireless.h>
59#include <linux/icmp.h>
60#include <linux/icmpv6.h>
61#include <linux/if_tun.h>
62#include <linux/in6.h>
63#include <linux/errqueue.h>
64#include <linux/random.h>
65#ifdef CONFIG_TIMERFD
66#include <sys/timerfd.h>
67#endif
68#ifdef CONFIG_EVENTFD
69#include <sys/eventfd.h>
70#endif
71#ifdef CONFIG_EPOLL
72#include <sys/epoll.h>
73#endif
74#ifdef CONFIG_ATTR
75#include "qemu/xattr.h"
76#endif
77#ifdef CONFIG_SENDFILE
78#include <sys/sendfile.h>
79#endif
80#ifdef HAVE_SYS_KCOV_H
81#include <sys/kcov.h>
82#endif
83
84#define termios host_termios
85#define winsize host_winsize
86#define termio host_termio
87#define sgttyb host_sgttyb
88#define tchars host_tchars
89#define ltchars host_ltchars
90
91#include <linux/termios.h>
92#include <linux/unistd.h>
93#include <linux/cdrom.h>
94#include <linux/hdreg.h>
95#include <linux/soundcard.h>
96#include <linux/kd.h>
97#include <linux/mtio.h>
98
99#ifdef HAVE_SYS_MOUNT_FSCONFIG
100
101
102
103
104
105#define FS_IOC_GETFLAGS _IOR('f', 1, long)
106#define FS_IOC_SETFLAGS _IOW('f', 2, long)
107#define FS_IOC_GETVERSION _IOR('v', 1, long)
108#define FS_IOC_SETVERSION _IOW('v', 2, long)
109#define FS_IOC_FIEMAP _IOWR('f', 11, struct fiemap)
110#define FS_IOC32_GETFLAGS _IOR('f', 1, int)
111#define FS_IOC32_SETFLAGS _IOW('f', 2, int)
112#define FS_IOC32_GETVERSION _IOR('v', 1, int)
113#define FS_IOC32_SETVERSION _IOW('v', 2, int)
114
115#define BLKGETSIZE64 _IOR(0x12,114,size_t)
116#define BLKDISCARD _IO(0x12,119)
117#define BLKIOMIN _IO(0x12,120)
118#define BLKIOOPT _IO(0x12,121)
119#define BLKALIGNOFF _IO(0x12,122)
120#define BLKPBSZGET _IO(0x12,123)
121#define BLKDISCARDZEROES _IO(0x12,124)
122#define BLKSECDISCARD _IO(0x12,125)
123#define BLKROTATIONAL _IO(0x12,126)
124#define BLKZEROOUT _IO(0x12,127)
125
126#define FIBMAP _IO(0x00,1)
127#define FIGETBSZ _IO(0x00,2)
128
129struct file_clone_range {
130 __s64 src_fd;
131 __u64 src_offset;
132 __u64 src_length;
133 __u64 dest_offset;
134};
135
136#define FICLONE _IOW(0x94, 9, int)
137#define FICLONERANGE _IOW(0x94, 13, struct file_clone_range)
138
139#else
140#include <linux/fs.h>
141#endif
142#include <linux/fd.h>
143#if defined(CONFIG_FIEMAP)
144#include <linux/fiemap.h>
145#endif
146#include <linux/fb.h>
147#if defined(CONFIG_USBFS)
148#include <linux/usbdevice_fs.h>
149#include <linux/usb/ch9.h>
150#endif
151#include <linux/vt.h>
152#include <linux/dm-ioctl.h>
153#include <linux/reboot.h>
154#include <linux/route.h>
155#include <linux/filter.h>
156#include <linux/blkpg.h>
157#include <netpacket/packet.h>
158#include <linux/netlink.h>
159#include <linux/if_alg.h>
160#include <linux/rtc.h>
161#include <sound/asound.h>
162#ifdef HAVE_BTRFS_H
163#include <linux/btrfs.h>
164#endif
165#ifdef HAVE_DRM_H
166#include <libdrm/drm.h>
167#include <libdrm/i915_drm.h>
168#endif
169#include "linux_loop.h"
170#include "uname.h"
171
172#include "qemu.h"
173#include "user-internals.h"
174#include "strace.h"
175#include "signal-common.h"
176#include "loader.h"
177#include "user-mmap.h"
178#include "user/safe-syscall.h"
179#include "qemu/guest-random.h"
180#include "qemu/selfmap.h"
181#include "user/syscall-trace.h"
182#include "special-errno.h"
183#include "qapi/error.h"
184#include "fd-trans.h"
185#include "tcg/tcg.h"
186#include "cpu_loop-common.h"
187
188#ifndef CLONE_IO
189#define CLONE_IO 0x80000000
190#endif
191
192
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197
198
199
200
201
202
203#define CLONE_THREAD_FLAGS \
204 (CLONE_VM | CLONE_FS | CLONE_FILES | \
205 CLONE_SIGHAND | CLONE_THREAD | CLONE_SYSVSEM)
206
207
208
209
210
211#define CLONE_IGNORED_FLAGS \
212 (CLONE_DETACHED | CLONE_IO)
213
214
215#define CLONE_OPTIONAL_FORK_FLAGS \
216 (CLONE_SETTLS | CLONE_PARENT_SETTID | \
217 CLONE_CHILD_CLEARTID | CLONE_CHILD_SETTID)
218
219
220#define CLONE_OPTIONAL_THREAD_FLAGS \
221 (CLONE_SETTLS | CLONE_PARENT_SETTID | \
222 CLONE_CHILD_CLEARTID | CLONE_CHILD_SETTID | CLONE_PARENT)
223
224#define CLONE_INVALID_FORK_FLAGS \
225 (~(CSIGNAL | CLONE_OPTIONAL_FORK_FLAGS | CLONE_IGNORED_FLAGS))
226
227#define CLONE_INVALID_THREAD_FLAGS \
228 (~(CSIGNAL | CLONE_THREAD_FLAGS | CLONE_OPTIONAL_THREAD_FLAGS | \
229 CLONE_IGNORED_FLAGS))
230
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242
243
244
245#define VFAT_IOCTL_READDIR_BOTH \
246 _IOC(_IOC_READ, 'r', 1, (sizeof(struct linux_dirent) + 256) * 2)
247#define VFAT_IOCTL_READDIR_SHORT \
248 _IOC(_IOC_READ, 'r', 2, (sizeof(struct linux_dirent) + 256) * 2)
249
250#undef _syscall0
251#undef _syscall1
252#undef _syscall2
253#undef _syscall3
254#undef _syscall4
255#undef _syscall5
256#undef _syscall6
257
258#define _syscall0(type,name) \
259static type name (void) \
260{ \
261 return syscall(__NR_##name); \
262}
263
264#define _syscall1(type,name,type1,arg1) \
265static type name (type1 arg1) \
266{ \
267 return syscall(__NR_##name, arg1); \
268}
269
270#define _syscall2(type,name,type1,arg1,type2,arg2) \
271static type name (type1 arg1,type2 arg2) \
272{ \
273 return syscall(__NR_##name, arg1, arg2); \
274}
275
276#define _syscall3(type,name,type1,arg1,type2,arg2,type3,arg3) \
277static type name (type1 arg1,type2 arg2,type3 arg3) \
278{ \
279 return syscall(__NR_##name, arg1, arg2, arg3); \
280}
281
282#define _syscall4(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4) \
283static type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4) \
284{ \
285 return syscall(__NR_##name, arg1, arg2, arg3, arg4); \
286}
287
288#define _syscall5(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4, \
289 type5,arg5) \
290static type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4,type5 arg5) \
291{ \
292 return syscall(__NR_##name, arg1, arg2, arg3, arg4, arg5); \
293}
294
295
296#define _syscall6(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4, \
297 type5,arg5,type6,arg6) \
298static type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4,type5 arg5, \
299 type6 arg6) \
300{ \
301 return syscall(__NR_##name, arg1, arg2, arg3, arg4, arg5, arg6); \
302}
303
304
305#define __NR_sys_uname __NR_uname
306#define __NR_sys_getcwd1 __NR_getcwd
307#define __NR_sys_getdents __NR_getdents
308#define __NR_sys_getdents64 __NR_getdents64
309#define __NR_sys_getpriority __NR_getpriority
310#define __NR_sys_rt_sigqueueinfo __NR_rt_sigqueueinfo
311#define __NR_sys_rt_tgsigqueueinfo __NR_rt_tgsigqueueinfo
312#define __NR_sys_syslog __NR_syslog
313#if defined(__NR_futex)
314# define __NR_sys_futex __NR_futex
315#endif
316#if defined(__NR_futex_time64)
317# define __NR_sys_futex_time64 __NR_futex_time64
318#endif
319#define __NR_sys_statx __NR_statx
320
321#if defined(__alpha__) || defined(__x86_64__) || defined(__s390x__)
322#define __NR__llseek __NR_lseek
323#endif
324
325
326#if defined(TARGET_NR_llseek) && !defined(TARGET_NR__llseek)
327#define TARGET_NR__llseek TARGET_NR_llseek
328#endif
329
330
331#ifndef TARGET_O_NONBLOCK_MASK
332#define TARGET_O_NONBLOCK_MASK TARGET_O_NONBLOCK
333#endif
334
335#define __NR_sys_gettid __NR_gettid
336_syscall0(int, sys_gettid)
337
338
339
340
341
342
343
344#if defined(__NR_getdents) && HOST_LONG_BITS >= TARGET_ABI_BITS
345#define EMULATE_GETDENTS_WITH_GETDENTS
346#endif
347
348#if defined(TARGET_NR_getdents) && defined(EMULATE_GETDENTS_WITH_GETDENTS)
349_syscall3(int, sys_getdents, uint, fd, struct linux_dirent *, dirp, uint, count);
350#endif
351#if (defined(TARGET_NR_getdents) && \
352 !defined(EMULATE_GETDENTS_WITH_GETDENTS)) || \
353 (defined(TARGET_NR_getdents64) && defined(__NR_getdents64))
354_syscall3(int, sys_getdents64, uint, fd, struct linux_dirent64 *, dirp, uint, count);
355#endif
356#if defined(TARGET_NR__llseek) && defined(__NR_llseek)
357_syscall5(int, _llseek, uint, fd, ulong, hi, ulong, lo,
358 loff_t *, res, uint, wh);
359#endif
360_syscall3(int, sys_rt_sigqueueinfo, pid_t, pid, int, sig, siginfo_t *, uinfo)
361_syscall4(int, sys_rt_tgsigqueueinfo, pid_t, pid, pid_t, tid, int, sig,
362 siginfo_t *, uinfo)
363_syscall3(int,sys_syslog,int,type,char*,bufp,int,len)
364#ifdef __NR_exit_group
365_syscall1(int,exit_group,int,error_code)
366#endif
367#if defined(__NR_close_range) && defined(TARGET_NR_close_range)
368#define __NR_sys_close_range __NR_close_range
369_syscall3(int,sys_close_range,int,first,int,last,int,flags)
370#ifndef CLOSE_RANGE_CLOEXEC
371#define CLOSE_RANGE_CLOEXEC (1U << 2)
372#endif
373#endif
374#if defined(__NR_futex)
375_syscall6(int,sys_futex,int *,uaddr,int,op,int,val,
376 const struct timespec *,timeout,int *,uaddr2,int,val3)
377#endif
378#if defined(__NR_futex_time64)
379_syscall6(int,sys_futex_time64,int *,uaddr,int,op,int,val,
380 const struct timespec *,timeout,int *,uaddr2,int,val3)
381#endif
382#if defined(__NR_pidfd_open) && defined(TARGET_NR_pidfd_open)
383_syscall2(int, pidfd_open, pid_t, pid, unsigned int, flags);
384#endif
385#if defined(__NR_pidfd_send_signal) && defined(TARGET_NR_pidfd_send_signal)
386_syscall4(int, pidfd_send_signal, int, pidfd, int, sig, siginfo_t *, info,
387 unsigned int, flags);
388#endif
389#if defined(__NR_pidfd_getfd) && defined(TARGET_NR_pidfd_getfd)
390_syscall3(int, pidfd_getfd, int, pidfd, int, targetfd, unsigned int, flags);
391#endif
392#define __NR_sys_sched_getaffinity __NR_sched_getaffinity
393_syscall3(int, sys_sched_getaffinity, pid_t, pid, unsigned int, len,
394 unsigned long *, user_mask_ptr);
395#define __NR_sys_sched_setaffinity __NR_sched_setaffinity
396_syscall3(int, sys_sched_setaffinity, pid_t, pid, unsigned int, len,
397 unsigned long *, user_mask_ptr);
398
399struct sched_attr {
400 uint32_t size;
401 uint32_t sched_policy;
402 uint64_t sched_flags;
403 int32_t sched_nice;
404 uint32_t sched_priority;
405 uint64_t sched_runtime;
406 uint64_t sched_deadline;
407 uint64_t sched_period;
408 uint32_t sched_util_min;
409 uint32_t sched_util_max;
410};
411#define __NR_sys_sched_getattr __NR_sched_getattr
412_syscall4(int, sys_sched_getattr, pid_t, pid, struct sched_attr *, attr,
413 unsigned int, size, unsigned int, flags);
414#define __NR_sys_sched_setattr __NR_sched_setattr
415_syscall3(int, sys_sched_setattr, pid_t, pid, struct sched_attr *, attr,
416 unsigned int, flags);
417#define __NR_sys_sched_getscheduler __NR_sched_getscheduler
418_syscall1(int, sys_sched_getscheduler, pid_t, pid);
419#define __NR_sys_sched_setscheduler __NR_sched_setscheduler
420_syscall3(int, sys_sched_setscheduler, pid_t, pid, int, policy,
421 const struct sched_param *, param);
422#define __NR_sys_sched_getparam __NR_sched_getparam
423_syscall2(int, sys_sched_getparam, pid_t, pid,
424 struct sched_param *, param);
425#define __NR_sys_sched_setparam __NR_sched_setparam
426_syscall2(int, sys_sched_setparam, pid_t, pid,
427 const struct sched_param *, param);
428#define __NR_sys_getcpu __NR_getcpu
429_syscall3(int, sys_getcpu, unsigned *, cpu, unsigned *, node, void *, tcache);
430_syscall4(int, reboot, int, magic1, int, magic2, unsigned int, cmd,
431 void *, arg);
432_syscall2(int, capget, struct __user_cap_header_struct *, header,
433 struct __user_cap_data_struct *, data);
434_syscall2(int, capset, struct __user_cap_header_struct *, header,
435 struct __user_cap_data_struct *, data);
436#if defined(TARGET_NR_ioprio_get) && defined(__NR_ioprio_get)
437_syscall2(int, ioprio_get, int, which, int, who)
438#endif
439#if defined(TARGET_NR_ioprio_set) && defined(__NR_ioprio_set)
440_syscall3(int, ioprio_set, int, which, int, who, int, ioprio)
441#endif
442#if defined(TARGET_NR_getrandom) && defined(__NR_getrandom)
443_syscall3(int, getrandom, void *, buf, size_t, buflen, unsigned int, flags)
444#endif
445
446#if defined(TARGET_NR_kcmp) && defined(__NR_kcmp)
447_syscall5(int, kcmp, pid_t, pid1, pid_t, pid2, int, type,
448 unsigned long, idx1, unsigned long, idx2)
449#endif
450
451
452
453
454#if defined(TARGET_NR_statx) && defined(__NR_statx)
455_syscall5(int, sys_statx, int, dirfd, const char *, pathname, int, flags,
456 unsigned int, mask, struct target_statx *, statxbuf)
457#endif
458#if defined(TARGET_NR_membarrier) && defined(__NR_membarrier)
459_syscall2(int, membarrier, int, cmd, int, flags)
460#endif
461
462static const bitmask_transtbl fcntl_flags_tbl[] = {
463 { TARGET_O_ACCMODE, TARGET_O_WRONLY, O_ACCMODE, O_WRONLY, },
464 { TARGET_O_ACCMODE, TARGET_O_RDWR, O_ACCMODE, O_RDWR, },
465 { TARGET_O_CREAT, TARGET_O_CREAT, O_CREAT, O_CREAT, },
466 { TARGET_O_EXCL, TARGET_O_EXCL, O_EXCL, O_EXCL, },
467 { TARGET_O_NOCTTY, TARGET_O_NOCTTY, O_NOCTTY, O_NOCTTY, },
468 { TARGET_O_TRUNC, TARGET_O_TRUNC, O_TRUNC, O_TRUNC, },
469 { TARGET_O_APPEND, TARGET_O_APPEND, O_APPEND, O_APPEND, },
470 { TARGET_O_NONBLOCK, TARGET_O_NONBLOCK, O_NONBLOCK, O_NONBLOCK, },
471 { TARGET_O_SYNC, TARGET_O_DSYNC, O_SYNC, O_DSYNC, },
472 { TARGET_O_SYNC, TARGET_O_SYNC, O_SYNC, O_SYNC, },
473 { TARGET_FASYNC, TARGET_FASYNC, FASYNC, FASYNC, },
474 { TARGET_O_DIRECTORY, TARGET_O_DIRECTORY, O_DIRECTORY, O_DIRECTORY, },
475 { TARGET_O_NOFOLLOW, TARGET_O_NOFOLLOW, O_NOFOLLOW, O_NOFOLLOW, },
476#if defined(O_DIRECT)
477 { TARGET_O_DIRECT, TARGET_O_DIRECT, O_DIRECT, O_DIRECT, },
478#endif
479#if defined(O_NOATIME)
480 { TARGET_O_NOATIME, TARGET_O_NOATIME, O_NOATIME, O_NOATIME },
481#endif
482#if defined(O_CLOEXEC)
483 { TARGET_O_CLOEXEC, TARGET_O_CLOEXEC, O_CLOEXEC, O_CLOEXEC },
484#endif
485#if defined(O_PATH)
486 { TARGET_O_PATH, TARGET_O_PATH, O_PATH, O_PATH },
487#endif
488#if defined(O_TMPFILE)
489 { TARGET_O_TMPFILE, TARGET_O_TMPFILE, O_TMPFILE, O_TMPFILE },
490#endif
491
492#if TARGET_O_LARGEFILE != 0 || O_LARGEFILE != 0
493 { TARGET_O_LARGEFILE, TARGET_O_LARGEFILE, O_LARGEFILE, O_LARGEFILE, },
494#endif
495 { 0, 0, 0, 0 }
496};
497
498_syscall2(int, sys_getcwd1, char *, buf, size_t, size)
499
500#if defined(TARGET_NR_utimensat) || defined(TARGET_NR_utimensat_time64)
501#if defined(__NR_utimensat)
502#define __NR_sys_utimensat __NR_utimensat
503_syscall4(int,sys_utimensat,int,dirfd,const char *,pathname,
504 const struct timespec *,tsp,int,flags)
505#else
506static int sys_utimensat(int dirfd, const char *pathname,
507 const struct timespec times[2], int flags)
508{
509 errno = ENOSYS;
510 return -1;
511}
512#endif
513#endif
514
515#ifdef TARGET_NR_renameat2
516#if defined(__NR_renameat2)
517#define __NR_sys_renameat2 __NR_renameat2
518_syscall5(int, sys_renameat2, int, oldfd, const char *, old, int, newfd,
519 const char *, new, unsigned int, flags)
520#else
521static int sys_renameat2(int oldfd, const char *old,
522 int newfd, const char *new, int flags)
523{
524 if (flags == 0) {
525 return renameat(oldfd, old, newfd, new);
526 }
527 errno = ENOSYS;
528 return -1;
529}
530#endif
531#endif
532
533#ifdef CONFIG_INOTIFY
534#include <sys/inotify.h>
535#else
536
537#undef TARGET_NR_inotify_init
538#undef TARGET_NR_inotify_init1
539#undef TARGET_NR_inotify_add_watch
540#undef TARGET_NR_inotify_rm_watch
541#endif
542
543#if defined(TARGET_NR_prlimit64)
544#ifndef __NR_prlimit64
545# define __NR_prlimit64 -1
546#endif
547#define __NR_sys_prlimit64 __NR_prlimit64
548
549struct host_rlimit64 {
550 uint64_t rlim_cur;
551 uint64_t rlim_max;
552};
553_syscall4(int, sys_prlimit64, pid_t, pid, int, resource,
554 const struct host_rlimit64 *, new_limit,
555 struct host_rlimit64 *, old_limit)
556#endif
557
558
559#if defined(TARGET_NR_timer_create)
560
561#define GUEST_TIMER_MAX 32
562static timer_t g_posix_timers[GUEST_TIMER_MAX];
563static int g_posix_timer_allocated[GUEST_TIMER_MAX];
564
565static inline int next_free_host_timer(void)
566{
567 int k;
568 for (k = 0; k < ARRAY_SIZE(g_posix_timer_allocated); k++) {
569 if (qatomic_xchg(g_posix_timer_allocated + k, 1) == 0) {
570 return k;
571 }
572 }
573 return -1;
574}
575
576static inline void free_host_timer_slot(int id)
577{
578 qatomic_store_release(g_posix_timer_allocated + id, 0);
579}
580#endif
581
582static inline int host_to_target_errno(int host_errno)
583{
584 switch (host_errno) {
585#define E(X) case X: return TARGET_##X;
586#include "errnos.c.inc"
587#undef E
588 default:
589 return host_errno;
590 }
591}
592
593static inline int target_to_host_errno(int target_errno)
594{
595 switch (target_errno) {
596#define E(X) case TARGET_##X: return X;
597#include "errnos.c.inc"
598#undef E
599 default:
600 return target_errno;
601 }
602}
603
604abi_long get_errno(abi_long ret)
605{
606 if (ret == -1)
607 return -host_to_target_errno(errno);
608 else
609 return ret;
610}
611
612const char *target_strerror(int err)
613{
614 if (err == QEMU_ERESTARTSYS) {
615 return "To be restarted";
616 }
617 if (err == QEMU_ESIGRETURN) {
618 return "Successful exit from sigreturn";
619 }
620
621 return strerror(target_to_host_errno(err));
622}
623
624static int check_zeroed_user(abi_long addr, size_t ksize, size_t usize)
625{
626 int i;
627 uint8_t b;
628 if (usize <= ksize) {
629 return 1;
630 }
631 for (i = ksize; i < usize; i++) {
632 if (get_user_u8(b, addr + i)) {
633 return -TARGET_EFAULT;
634 }
635 if (b != 0) {
636 return 0;
637 }
638 }
639 return 1;
640}
641
642#define safe_syscall0(type, name) \
643static type safe_##name(void) \
644{ \
645 return safe_syscall(__NR_##name); \
646}
647
648#define safe_syscall1(type, name, type1, arg1) \
649static type safe_##name(type1 arg1) \
650{ \
651 return safe_syscall(__NR_##name, arg1); \
652}
653
654#define safe_syscall2(type, name, type1, arg1, type2, arg2) \
655static type safe_##name(type1 arg1, type2 arg2) \
656{ \
657 return safe_syscall(__NR_##name, arg1, arg2); \
658}
659
660#define safe_syscall3(type, name, type1, arg1, type2, arg2, type3, arg3) \
661static type safe_##name(type1 arg1, type2 arg2, type3 arg3) \
662{ \
663 return safe_syscall(__NR_##name, arg1, arg2, arg3); \
664}
665
666#define safe_syscall4(type, name, type1, arg1, type2, arg2, type3, arg3, \
667 type4, arg4) \
668static type safe_##name(type1 arg1, type2 arg2, type3 arg3, type4 arg4) \
669{ \
670 return safe_syscall(__NR_##name, arg1, arg2, arg3, arg4); \
671}
672
673#define safe_syscall5(type, name, type1, arg1, type2, arg2, type3, arg3, \
674 type4, arg4, type5, arg5) \
675static type safe_##name(type1 arg1, type2 arg2, type3 arg3, type4 arg4, \
676 type5 arg5) \
677{ \
678 return safe_syscall(__NR_##name, arg1, arg2, arg3, arg4, arg5); \
679}
680
681#define safe_syscall6(type, name, type1, arg1, type2, arg2, type3, arg3, \
682 type4, arg4, type5, arg5, type6, arg6) \
683static type safe_##name(type1 arg1, type2 arg2, type3 arg3, type4 arg4, \
684 type5 arg5, type6 arg6) \
685{ \
686 return safe_syscall(__NR_##name, arg1, arg2, arg3, arg4, arg5, arg6); \
687}
688
689safe_syscall3(ssize_t, read, int, fd, void *, buff, size_t, count)
690safe_syscall3(ssize_t, write, int, fd, const void *, buff, size_t, count)
691safe_syscall4(int, openat, int, dirfd, const char *, pathname, \
692 int, flags, mode_t, mode)
693#if defined(TARGET_NR_wait4) || defined(TARGET_NR_waitpid)
694safe_syscall4(pid_t, wait4, pid_t, pid, int *, status, int, options, \
695 struct rusage *, rusage)
696#endif
697safe_syscall5(int, waitid, idtype_t, idtype, id_t, id, siginfo_t *, infop, \
698 int, options, struct rusage *, rusage)
699safe_syscall3(int, execve, const char *, filename, char **, argv, char **, envp)
700#if defined(TARGET_NR_select) || defined(TARGET_NR__newselect) || \
701 defined(TARGET_NR_pselect6) || defined(TARGET_NR_pselect6_time64)
702safe_syscall6(int, pselect6, int, nfds, fd_set *, readfds, fd_set *, writefds, \
703 fd_set *, exceptfds, struct timespec *, timeout, void *, sig)
704#endif
705#if defined(TARGET_NR_ppoll) || defined(TARGET_NR_ppoll_time64)
706safe_syscall5(int, ppoll, struct pollfd *, ufds, unsigned int, nfds,
707 struct timespec *, tsp, const sigset_t *, sigmask,
708 size_t, sigsetsize)
709#endif
710safe_syscall6(int, epoll_pwait, int, epfd, struct epoll_event *, events,
711 int, maxevents, int, timeout, const sigset_t *, sigmask,
712 size_t, sigsetsize)
713#if defined(__NR_futex)
714safe_syscall6(int,futex,int *,uaddr,int,op,int,val, \
715 const struct timespec *,timeout,int *,uaddr2,int,val3)
716#endif
717#if defined(__NR_futex_time64)
718safe_syscall6(int,futex_time64,int *,uaddr,int,op,int,val, \
719 const struct timespec *,timeout,int *,uaddr2,int,val3)
720#endif
721safe_syscall2(int, rt_sigsuspend, sigset_t *, newset, size_t, sigsetsize)
722safe_syscall2(int, kill, pid_t, pid, int, sig)
723safe_syscall2(int, tkill, int, tid, int, sig)
724safe_syscall3(int, tgkill, int, tgid, int, pid, int, sig)
725safe_syscall3(ssize_t, readv, int, fd, const struct iovec *, iov, int, iovcnt)
726safe_syscall3(ssize_t, writev, int, fd, const struct iovec *, iov, int, iovcnt)
727safe_syscall5(ssize_t, preadv, int, fd, const struct iovec *, iov, int, iovcnt,
728 unsigned long, pos_l, unsigned long, pos_h)
729safe_syscall5(ssize_t, pwritev, int, fd, const struct iovec *, iov, int, iovcnt,
730 unsigned long, pos_l, unsigned long, pos_h)
731safe_syscall3(int, connect, int, fd, const struct sockaddr *, addr,
732 socklen_t, addrlen)
733safe_syscall6(ssize_t, sendto, int, fd, const void *, buf, size_t, len,
734 int, flags, const struct sockaddr *, addr, socklen_t, addrlen)
735safe_syscall6(ssize_t, recvfrom, int, fd, void *, buf, size_t, len,
736 int, flags, struct sockaddr *, addr, socklen_t *, addrlen)
737safe_syscall3(ssize_t, sendmsg, int, fd, const struct msghdr *, msg, int, flags)
738safe_syscall3(ssize_t, recvmsg, int, fd, struct msghdr *, msg, int, flags)
739safe_syscall2(int, flock, int, fd, int, operation)
740#if defined(TARGET_NR_rt_sigtimedwait) || defined(TARGET_NR_rt_sigtimedwait_time64)
741safe_syscall4(int, rt_sigtimedwait, const sigset_t *, these, siginfo_t *, uinfo,
742 const struct timespec *, uts, size_t, sigsetsize)
743#endif
744safe_syscall4(int, accept4, int, fd, struct sockaddr *, addr, socklen_t *, len,
745 int, flags)
746#if defined(TARGET_NR_nanosleep)
747safe_syscall2(int, nanosleep, const struct timespec *, req,
748 struct timespec *, rem)
749#endif
750#if defined(TARGET_NR_clock_nanosleep) || \
751 defined(TARGET_NR_clock_nanosleep_time64)
752safe_syscall4(int, clock_nanosleep, const clockid_t, clock, int, flags,
753 const struct timespec *, req, struct timespec *, rem)
754#endif
755#ifdef __NR_ipc
756#ifdef __s390x__
757safe_syscall5(int, ipc, int, call, long, first, long, second, long, third,
758 void *, ptr)
759#else
760safe_syscall6(int, ipc, int, call, long, first, long, second, long, third,
761 void *, ptr, long, fifth)
762#endif
763#endif
764#ifdef __NR_msgsnd
765safe_syscall4(int, msgsnd, int, msgid, const void *, msgp, size_t, sz,
766 int, flags)
767#endif
768#ifdef __NR_msgrcv
769safe_syscall5(int, msgrcv, int, msgid, void *, msgp, size_t, sz,
770 long, msgtype, int, flags)
771#endif
772#ifdef __NR_semtimedop
773safe_syscall4(int, semtimedop, int, semid, struct sembuf *, tsops,
774 unsigned, nsops, const struct timespec *, timeout)
775#endif
776#if defined(TARGET_NR_mq_timedsend) || \
777 defined(TARGET_NR_mq_timedsend_time64)
778safe_syscall5(int, mq_timedsend, int, mqdes, const char *, msg_ptr,
779 size_t, len, unsigned, prio, const struct timespec *, timeout)
780#endif
781#if defined(TARGET_NR_mq_timedreceive) || \
782 defined(TARGET_NR_mq_timedreceive_time64)
783safe_syscall5(int, mq_timedreceive, int, mqdes, char *, msg_ptr,
784 size_t, len, unsigned *, prio, const struct timespec *, timeout)
785#endif
786#if defined(TARGET_NR_copy_file_range) && defined(__NR_copy_file_range)
787safe_syscall6(ssize_t, copy_file_range, int, infd, loff_t *, pinoff,
788 int, outfd, loff_t *, poutoff, size_t, length,
789 unsigned int, flags)
790#endif
791
792
793
794
795
796#define safe_ioctl(...) safe_syscall(__NR_ioctl, __VA_ARGS__)
797
798
799
800
801
802#ifdef __NR_fcntl64
803#define safe_fcntl(...) safe_syscall(__NR_fcntl64, __VA_ARGS__)
804#else
805#define safe_fcntl(...) safe_syscall(__NR_fcntl, __VA_ARGS__)
806#endif
807
808static inline int host_to_target_sock_type(int host_type)
809{
810 int target_type;
811
812 switch (host_type & 0xf ) {
813 case SOCK_DGRAM:
814 target_type = TARGET_SOCK_DGRAM;
815 break;
816 case SOCK_STREAM:
817 target_type = TARGET_SOCK_STREAM;
818 break;
819 default:
820 target_type = host_type & 0xf ;
821 break;
822 }
823
824#if defined(SOCK_CLOEXEC)
825 if (host_type & SOCK_CLOEXEC) {
826 target_type |= TARGET_SOCK_CLOEXEC;
827 }
828#endif
829
830#if defined(SOCK_NONBLOCK)
831 if (host_type & SOCK_NONBLOCK) {
832 target_type |= TARGET_SOCK_NONBLOCK;
833 }
834#endif
835
836 return target_type;
837}
838
839static abi_ulong target_brk;
840static abi_ulong target_original_brk;
841static abi_ulong brk_page;
842
843void target_set_brk(abi_ulong new_brk)
844{
845 target_original_brk = target_brk = HOST_PAGE_ALIGN(new_brk);
846 brk_page = HOST_PAGE_ALIGN(target_brk);
847}
848
849
850#define DEBUGF_BRK(message, args...)
851
852
853abi_long do_brk(abi_ulong new_brk)
854{
855 abi_long mapped_addr;
856 abi_ulong new_alloc_size;
857
858
859
860 DEBUGF_BRK("do_brk(" TARGET_ABI_FMT_lx ") -> ", new_brk);
861
862 if (!new_brk) {
863 DEBUGF_BRK(TARGET_ABI_FMT_lx " (!new_brk)\n", target_brk);
864 return target_brk;
865 }
866 if (new_brk < target_original_brk) {
867 DEBUGF_BRK(TARGET_ABI_FMT_lx " (new_brk < target_original_brk)\n",
868 target_brk);
869 return target_brk;
870 }
871
872
873
874 if (new_brk <= brk_page) {
875
876
877 if (new_brk > target_brk) {
878 memset(g2h_untagged(target_brk), 0, new_brk - target_brk);
879 }
880 target_brk = new_brk;
881 DEBUGF_BRK(TARGET_ABI_FMT_lx " (new_brk <= brk_page)\n", target_brk);
882 return target_brk;
883 }
884
885
886
887
888
889
890
891 new_alloc_size = HOST_PAGE_ALIGN(new_brk - brk_page);
892 mapped_addr = get_errno(target_mmap(brk_page, new_alloc_size,
893 PROT_READ|PROT_WRITE,
894 MAP_ANON|MAP_PRIVATE, 0, 0));
895
896 if (mapped_addr == brk_page) {
897
898
899
900
901
902
903
904 memset(g2h_untagged(target_brk), 0, brk_page - target_brk);
905
906 target_brk = new_brk;
907 brk_page = HOST_PAGE_ALIGN(target_brk);
908 DEBUGF_BRK(TARGET_ABI_FMT_lx " (mapped_addr == brk_page)\n",
909 target_brk);
910 return target_brk;
911 } else if (mapped_addr != -1) {
912
913
914
915 target_munmap(mapped_addr, new_alloc_size);
916 mapped_addr = -1;
917 DEBUGF_BRK(TARGET_ABI_FMT_lx " (mapped_addr != -1)\n", target_brk);
918 }
919 else {
920 DEBUGF_BRK(TARGET_ABI_FMT_lx " (otherwise)\n", target_brk);
921 }
922
923#if defined(TARGET_ALPHA)
924
925
926 return -TARGET_ENOMEM;
927#endif
928
929 return target_brk;
930}
931
932#if defined(TARGET_NR_select) || defined(TARGET_NR__newselect) || \
933 defined(TARGET_NR_pselect6) || defined(TARGET_NR_pselect6_time64)
934static inline abi_long copy_from_user_fdset(fd_set *fds,
935 abi_ulong target_fds_addr,
936 int n)
937{
938 int i, nw, j, k;
939 abi_ulong b, *target_fds;
940
941 nw = DIV_ROUND_UP(n, TARGET_ABI_BITS);
942 if (!(target_fds = lock_user(VERIFY_READ,
943 target_fds_addr,
944 sizeof(abi_ulong) * nw,
945 1)))
946 return -TARGET_EFAULT;
947
948 FD_ZERO(fds);
949 k = 0;
950 for (i = 0; i < nw; i++) {
951
952 __get_user(b, &target_fds[i]);
953 for (j = 0; j < TARGET_ABI_BITS; j++) {
954
955 if ((b >> j) & 1)
956 FD_SET(k, fds);
957 k++;
958 }
959 }
960
961 unlock_user(target_fds, target_fds_addr, 0);
962
963 return 0;
964}
965
966static inline abi_ulong copy_from_user_fdset_ptr(fd_set *fds, fd_set **fds_ptr,
967 abi_ulong target_fds_addr,
968 int n)
969{
970 if (target_fds_addr) {
971 if (copy_from_user_fdset(fds, target_fds_addr, n))
972 return -TARGET_EFAULT;
973 *fds_ptr = fds;
974 } else {
975 *fds_ptr = NULL;
976 }
977 return 0;
978}
979
980static inline abi_long copy_to_user_fdset(abi_ulong target_fds_addr,
981 const fd_set *fds,
982 int n)
983{
984 int i, nw, j, k;
985 abi_long v;
986 abi_ulong *target_fds;
987
988 nw = DIV_ROUND_UP(n, TARGET_ABI_BITS);
989 if (!(target_fds = lock_user(VERIFY_WRITE,
990 target_fds_addr,
991 sizeof(abi_ulong) * nw,
992 0)))
993 return -TARGET_EFAULT;
994
995 k = 0;
996 for (i = 0; i < nw; i++) {
997 v = 0;
998 for (j = 0; j < TARGET_ABI_BITS; j++) {
999 v |= ((abi_ulong)(FD_ISSET(k, fds) != 0) << j);
1000 k++;
1001 }
1002 __put_user(v, &target_fds[i]);
1003 }
1004
1005 unlock_user(target_fds, target_fds_addr, sizeof(abi_ulong) * nw);
1006
1007 return 0;
1008}
1009#endif
1010
1011#if defined(__alpha__)
1012#define HOST_HZ 1024
1013#else
1014#define HOST_HZ 100
1015#endif
1016
1017static inline abi_long host_to_target_clock_t(long ticks)
1018{
1019#if HOST_HZ == TARGET_HZ
1020 return ticks;
1021#else
1022 return ((int64_t)ticks * TARGET_HZ) / HOST_HZ;
1023#endif
1024}
1025
1026static inline abi_long host_to_target_rusage(abi_ulong target_addr,
1027 const struct rusage *rusage)
1028{
1029 struct target_rusage *target_rusage;
1030
1031 if (!lock_user_struct(VERIFY_WRITE, target_rusage, target_addr, 0))
1032 return -TARGET_EFAULT;
1033 target_rusage->ru_utime.tv_sec = tswapal(rusage->ru_utime.tv_sec);
1034 target_rusage->ru_utime.tv_usec = tswapal(rusage->ru_utime.tv_usec);
1035 target_rusage->ru_stime.tv_sec = tswapal(rusage->ru_stime.tv_sec);
1036 target_rusage->ru_stime.tv_usec = tswapal(rusage->ru_stime.tv_usec);
1037 target_rusage->ru_maxrss = tswapal(rusage->ru_maxrss);
1038 target_rusage->ru_ixrss = tswapal(rusage->ru_ixrss);
1039 target_rusage->ru_idrss = tswapal(rusage->ru_idrss);
1040 target_rusage->ru_isrss = tswapal(rusage->ru_isrss);
1041 target_rusage->ru_minflt = tswapal(rusage->ru_minflt);
1042 target_rusage->ru_majflt = tswapal(rusage->ru_majflt);
1043 target_rusage->ru_nswap = tswapal(rusage->ru_nswap);
1044 target_rusage->ru_inblock = tswapal(rusage->ru_inblock);
1045 target_rusage->ru_oublock = tswapal(rusage->ru_oublock);
1046 target_rusage->ru_msgsnd = tswapal(rusage->ru_msgsnd);
1047 target_rusage->ru_msgrcv = tswapal(rusage->ru_msgrcv);
1048 target_rusage->ru_nsignals = tswapal(rusage->ru_nsignals);
1049 target_rusage->ru_nvcsw = tswapal(rusage->ru_nvcsw);
1050 target_rusage->ru_nivcsw = tswapal(rusage->ru_nivcsw);
1051 unlock_user_struct(target_rusage, target_addr, 1);
1052
1053 return 0;
1054}
1055
1056#ifdef TARGET_NR_setrlimit
1057static inline rlim_t target_to_host_rlim(abi_ulong target_rlim)
1058{
1059 abi_ulong target_rlim_swap;
1060 rlim_t result;
1061
1062 target_rlim_swap = tswapal(target_rlim);
1063 if (target_rlim_swap == TARGET_RLIM_INFINITY)
1064 return RLIM_INFINITY;
1065
1066 result = target_rlim_swap;
1067 if (target_rlim_swap != (rlim_t)result)
1068 return RLIM_INFINITY;
1069
1070 return result;
1071}
1072#endif
1073
1074#if defined(TARGET_NR_getrlimit) || defined(TARGET_NR_ugetrlimit)
1075static inline abi_ulong host_to_target_rlim(rlim_t rlim)
1076{
1077 abi_ulong target_rlim_swap;
1078 abi_ulong result;
1079
1080 if (rlim == RLIM_INFINITY || rlim != (abi_long)rlim)
1081 target_rlim_swap = TARGET_RLIM_INFINITY;
1082 else
1083 target_rlim_swap = rlim;
1084 result = tswapal(target_rlim_swap);
1085
1086 return result;
1087}
1088#endif
1089
1090static inline int target_to_host_resource(int code)
1091{
1092 switch (code) {
1093 case TARGET_RLIMIT_AS:
1094 return RLIMIT_AS;
1095 case TARGET_RLIMIT_CORE:
1096 return RLIMIT_CORE;
1097 case TARGET_RLIMIT_CPU:
1098 return RLIMIT_CPU;
1099 case TARGET_RLIMIT_DATA:
1100 return RLIMIT_DATA;
1101 case TARGET_RLIMIT_FSIZE:
1102 return RLIMIT_FSIZE;
1103 case TARGET_RLIMIT_LOCKS:
1104 return RLIMIT_LOCKS;
1105 case TARGET_RLIMIT_MEMLOCK:
1106 return RLIMIT_MEMLOCK;
1107 case TARGET_RLIMIT_MSGQUEUE:
1108 return RLIMIT_MSGQUEUE;
1109 case TARGET_RLIMIT_NICE:
1110 return RLIMIT_NICE;
1111 case TARGET_RLIMIT_NOFILE:
1112 return RLIMIT_NOFILE;
1113 case TARGET_RLIMIT_NPROC:
1114 return RLIMIT_NPROC;
1115 case TARGET_RLIMIT_RSS:
1116 return RLIMIT_RSS;
1117 case TARGET_RLIMIT_RTPRIO:
1118 return RLIMIT_RTPRIO;
1119#ifdef RLIMIT_RTTIME
1120 case TARGET_RLIMIT_RTTIME:
1121 return RLIMIT_RTTIME;
1122#endif
1123 case TARGET_RLIMIT_SIGPENDING:
1124 return RLIMIT_SIGPENDING;
1125 case TARGET_RLIMIT_STACK:
1126 return RLIMIT_STACK;
1127 default:
1128 return code;
1129 }
1130}
1131
1132static inline abi_long copy_from_user_timeval(struct timeval *tv,
1133 abi_ulong target_tv_addr)
1134{
1135 struct target_timeval *target_tv;
1136
1137 if (!lock_user_struct(VERIFY_READ, target_tv, target_tv_addr, 1)) {
1138 return -TARGET_EFAULT;
1139 }
1140
1141 __get_user(tv->tv_sec, &target_tv->tv_sec);
1142 __get_user(tv->tv_usec, &target_tv->tv_usec);
1143
1144 unlock_user_struct(target_tv, target_tv_addr, 0);
1145
1146 return 0;
1147}
1148
1149static inline abi_long copy_to_user_timeval(abi_ulong target_tv_addr,
1150 const struct timeval *tv)
1151{
1152 struct target_timeval *target_tv;
1153
1154 if (!lock_user_struct(VERIFY_WRITE, target_tv, target_tv_addr, 0)) {
1155 return -TARGET_EFAULT;
1156 }
1157
1158 __put_user(tv->tv_sec, &target_tv->tv_sec);
1159 __put_user(tv->tv_usec, &target_tv->tv_usec);
1160
1161 unlock_user_struct(target_tv, target_tv_addr, 1);
1162
1163 return 0;
1164}
1165
1166#if defined(TARGET_NR_clock_adjtime64) && defined(CONFIG_CLOCK_ADJTIME)
1167static inline abi_long copy_from_user_timeval64(struct timeval *tv,
1168 abi_ulong target_tv_addr)
1169{
1170 struct target__kernel_sock_timeval *target_tv;
1171
1172 if (!lock_user_struct(VERIFY_READ, target_tv, target_tv_addr, 1)) {
1173 return -TARGET_EFAULT;
1174 }
1175
1176 __get_user(tv->tv_sec, &target_tv->tv_sec);
1177 __get_user(tv->tv_usec, &target_tv->tv_usec);
1178
1179 unlock_user_struct(target_tv, target_tv_addr, 0);
1180
1181 return 0;
1182}
1183#endif
1184
1185static inline abi_long copy_to_user_timeval64(abi_ulong target_tv_addr,
1186 const struct timeval *tv)
1187{
1188 struct target__kernel_sock_timeval *target_tv;
1189
1190 if (!lock_user_struct(VERIFY_WRITE, target_tv, target_tv_addr, 0)) {
1191 return -TARGET_EFAULT;
1192 }
1193
1194 __put_user(tv->tv_sec, &target_tv->tv_sec);
1195 __put_user(tv->tv_usec, &target_tv->tv_usec);
1196
1197 unlock_user_struct(target_tv, target_tv_addr, 1);
1198
1199 return 0;
1200}
1201
1202#if defined(TARGET_NR_futex) || \
1203 defined(TARGET_NR_rt_sigtimedwait) || \
1204 defined(TARGET_NR_pselect6) || defined(TARGET_NR_pselect6) || \
1205 defined(TARGET_NR_nanosleep) || defined(TARGET_NR_clock_settime) || \
1206 defined(TARGET_NR_utimensat) || defined(TARGET_NR_mq_timedsend) || \
1207 defined(TARGET_NR_mq_timedreceive) || defined(TARGET_NR_ipc) || \
1208 defined(TARGET_NR_semop) || defined(TARGET_NR_semtimedop) || \
1209 defined(TARGET_NR_timer_settime) || \
1210 (defined(TARGET_NR_timerfd_settime) && defined(CONFIG_TIMERFD))
1211static inline abi_long target_to_host_timespec(struct timespec *host_ts,
1212 abi_ulong target_addr)
1213{
1214 struct target_timespec *target_ts;
1215
1216 if (!lock_user_struct(VERIFY_READ, target_ts, target_addr, 1)) {
1217 return -TARGET_EFAULT;
1218 }
1219 __get_user(host_ts->tv_sec, &target_ts->tv_sec);
1220 __get_user(host_ts->tv_nsec, &target_ts->tv_nsec);
1221 unlock_user_struct(target_ts, target_addr, 0);
1222 return 0;
1223}
1224#endif
1225
1226#if defined(TARGET_NR_clock_settime64) || defined(TARGET_NR_futex_time64) || \
1227 defined(TARGET_NR_timer_settime64) || \
1228 defined(TARGET_NR_mq_timedsend_time64) || \
1229 defined(TARGET_NR_mq_timedreceive_time64) || \
1230 (defined(TARGET_NR_timerfd_settime64) && defined(CONFIG_TIMERFD)) || \
1231 defined(TARGET_NR_clock_nanosleep_time64) || \
1232 defined(TARGET_NR_rt_sigtimedwait_time64) || \
1233 defined(TARGET_NR_utimensat) || \
1234 defined(TARGET_NR_utimensat_time64) || \
1235 defined(TARGET_NR_semtimedop_time64) || \
1236 defined(TARGET_NR_pselect6_time64) || defined(TARGET_NR_ppoll_time64)
1237static inline abi_long target_to_host_timespec64(struct timespec *host_ts,
1238 abi_ulong target_addr)
1239{
1240 struct target__kernel_timespec *target_ts;
1241
1242 if (!lock_user_struct(VERIFY_READ, target_ts, target_addr, 1)) {
1243 return -TARGET_EFAULT;
1244 }
1245 __get_user(host_ts->tv_sec, &target_ts->tv_sec);
1246 __get_user(host_ts->tv_nsec, &target_ts->tv_nsec);
1247
1248 host_ts->tv_nsec = (long)(abi_long)host_ts->tv_nsec;
1249 unlock_user_struct(target_ts, target_addr, 0);
1250 return 0;
1251}
1252#endif
1253
1254static inline abi_long host_to_target_timespec(abi_ulong target_addr,
1255 struct timespec *host_ts)
1256{
1257 struct target_timespec *target_ts;
1258
1259 if (!lock_user_struct(VERIFY_WRITE, target_ts, target_addr, 0)) {
1260 return -TARGET_EFAULT;
1261 }
1262 __put_user(host_ts->tv_sec, &target_ts->tv_sec);
1263 __put_user(host_ts->tv_nsec, &target_ts->tv_nsec);
1264 unlock_user_struct(target_ts, target_addr, 1);
1265 return 0;
1266}
1267
1268static inline abi_long host_to_target_timespec64(abi_ulong target_addr,
1269 struct timespec *host_ts)
1270{
1271 struct target__kernel_timespec *target_ts;
1272
1273 if (!lock_user_struct(VERIFY_WRITE, target_ts, target_addr, 0)) {
1274 return -TARGET_EFAULT;
1275 }
1276 __put_user(host_ts->tv_sec, &target_ts->tv_sec);
1277 __put_user(host_ts->tv_nsec, &target_ts->tv_nsec);
1278 unlock_user_struct(target_ts, target_addr, 1);
1279 return 0;
1280}
1281
1282#if defined(TARGET_NR_gettimeofday)
1283static inline abi_long copy_to_user_timezone(abi_ulong target_tz_addr,
1284 struct timezone *tz)
1285{
1286 struct target_timezone *target_tz;
1287
1288 if (!lock_user_struct(VERIFY_WRITE, target_tz, target_tz_addr, 1)) {
1289 return -TARGET_EFAULT;
1290 }
1291
1292 __put_user(tz->tz_minuteswest, &target_tz->tz_minuteswest);
1293 __put_user(tz->tz_dsttime, &target_tz->tz_dsttime);
1294
1295 unlock_user_struct(target_tz, target_tz_addr, 1);
1296
1297 return 0;
1298}
1299#endif
1300
1301#if defined(TARGET_NR_settimeofday)
1302static inline abi_long copy_from_user_timezone(struct timezone *tz,
1303 abi_ulong target_tz_addr)
1304{
1305 struct target_timezone *target_tz;
1306
1307 if (!lock_user_struct(VERIFY_READ, target_tz, target_tz_addr, 1)) {
1308 return -TARGET_EFAULT;
1309 }
1310
1311 __get_user(tz->tz_minuteswest, &target_tz->tz_minuteswest);
1312 __get_user(tz->tz_dsttime, &target_tz->tz_dsttime);
1313
1314 unlock_user_struct(target_tz, target_tz_addr, 0);
1315
1316 return 0;
1317}
1318#endif
1319
1320#if defined(TARGET_NR_mq_open) && defined(__NR_mq_open)
1321#include <mqueue.h>
1322
1323static inline abi_long copy_from_user_mq_attr(struct mq_attr *attr,
1324 abi_ulong target_mq_attr_addr)
1325{
1326 struct target_mq_attr *target_mq_attr;
1327
1328 if (!lock_user_struct(VERIFY_READ, target_mq_attr,
1329 target_mq_attr_addr, 1))
1330 return -TARGET_EFAULT;
1331
1332 __get_user(attr->mq_flags, &target_mq_attr->mq_flags);
1333 __get_user(attr->mq_maxmsg, &target_mq_attr->mq_maxmsg);
1334 __get_user(attr->mq_msgsize, &target_mq_attr->mq_msgsize);
1335 __get_user(attr->mq_curmsgs, &target_mq_attr->mq_curmsgs);
1336
1337 unlock_user_struct(target_mq_attr, target_mq_attr_addr, 0);
1338
1339 return 0;
1340}
1341
1342static inline abi_long copy_to_user_mq_attr(abi_ulong target_mq_attr_addr,
1343 const struct mq_attr *attr)
1344{
1345 struct target_mq_attr *target_mq_attr;
1346
1347 if (!lock_user_struct(VERIFY_WRITE, target_mq_attr,
1348 target_mq_attr_addr, 0))
1349 return -TARGET_EFAULT;
1350
1351 __put_user(attr->mq_flags, &target_mq_attr->mq_flags);
1352 __put_user(attr->mq_maxmsg, &target_mq_attr->mq_maxmsg);
1353 __put_user(attr->mq_msgsize, &target_mq_attr->mq_msgsize);
1354 __put_user(attr->mq_curmsgs, &target_mq_attr->mq_curmsgs);
1355
1356 unlock_user_struct(target_mq_attr, target_mq_attr_addr, 1);
1357
1358 return 0;
1359}
1360#endif
1361
1362#if defined(TARGET_NR_select) || defined(TARGET_NR__newselect)
1363
1364static abi_long do_select(int n,
1365 abi_ulong rfd_addr, abi_ulong wfd_addr,
1366 abi_ulong efd_addr, abi_ulong target_tv_addr)
1367{
1368 fd_set rfds, wfds, efds;
1369 fd_set *rfds_ptr, *wfds_ptr, *efds_ptr;
1370 struct timeval tv;
1371 struct timespec ts, *ts_ptr;
1372 abi_long ret;
1373
1374 ret = copy_from_user_fdset_ptr(&rfds, &rfds_ptr, rfd_addr, n);
1375 if (ret) {
1376 return ret;
1377 }
1378 ret = copy_from_user_fdset_ptr(&wfds, &wfds_ptr, wfd_addr, n);
1379 if (ret) {
1380 return ret;
1381 }
1382 ret = copy_from_user_fdset_ptr(&efds, &efds_ptr, efd_addr, n);
1383 if (ret) {
1384 return ret;
1385 }
1386
1387 if (target_tv_addr) {
1388 if (copy_from_user_timeval(&tv, target_tv_addr))
1389 return -TARGET_EFAULT;
1390 ts.tv_sec = tv.tv_sec;
1391 ts.tv_nsec = tv.tv_usec * 1000;
1392 ts_ptr = &ts;
1393 } else {
1394 ts_ptr = NULL;
1395 }
1396
1397 ret = get_errno(safe_pselect6(n, rfds_ptr, wfds_ptr, efds_ptr,
1398 ts_ptr, NULL));
1399
1400 if (!is_error(ret)) {
1401 if (rfd_addr && copy_to_user_fdset(rfd_addr, &rfds, n))
1402 return -TARGET_EFAULT;
1403 if (wfd_addr && copy_to_user_fdset(wfd_addr, &wfds, n))
1404 return -TARGET_EFAULT;
1405 if (efd_addr && copy_to_user_fdset(efd_addr, &efds, n))
1406 return -TARGET_EFAULT;
1407
1408 if (target_tv_addr) {
1409 tv.tv_sec = ts.tv_sec;
1410 tv.tv_usec = ts.tv_nsec / 1000;
1411 if (copy_to_user_timeval(target_tv_addr, &tv)) {
1412 return -TARGET_EFAULT;
1413 }
1414 }
1415 }
1416
1417 return ret;
1418}
1419
1420#if defined(TARGET_WANT_OLD_SYS_SELECT)
1421static abi_long do_old_select(abi_ulong arg1)
1422{
1423 struct target_sel_arg_struct *sel;
1424 abi_ulong inp, outp, exp, tvp;
1425 long nsel;
1426
1427 if (!lock_user_struct(VERIFY_READ, sel, arg1, 1)) {
1428 return -TARGET_EFAULT;
1429 }
1430
1431 nsel = tswapal(sel->n);
1432 inp = tswapal(sel->inp);
1433 outp = tswapal(sel->outp);
1434 exp = tswapal(sel->exp);
1435 tvp = tswapal(sel->tvp);
1436
1437 unlock_user_struct(sel, arg1, 0);
1438
1439 return do_select(nsel, inp, outp, exp, tvp);
1440}
1441#endif
1442#endif
1443
1444#if defined(TARGET_NR_pselect6) || defined(TARGET_NR_pselect6_time64)
1445static abi_long do_pselect6(abi_long arg1, abi_long arg2, abi_long arg3,
1446 abi_long arg4, abi_long arg5, abi_long arg6,
1447 bool time64)
1448{
1449 abi_long rfd_addr, wfd_addr, efd_addr, n, ts_addr;
1450 fd_set rfds, wfds, efds;
1451 fd_set *rfds_ptr, *wfds_ptr, *efds_ptr;
1452 struct timespec ts, *ts_ptr;
1453 abi_long ret;
1454
1455
1456
1457
1458
1459 struct {
1460 sigset_t *set;
1461 size_t size;
1462 } sig, *sig_ptr;
1463
1464 abi_ulong arg_sigset, arg_sigsize, *arg7;
1465
1466 n = arg1;
1467 rfd_addr = arg2;
1468 wfd_addr = arg3;
1469 efd_addr = arg4;
1470 ts_addr = arg5;
1471
1472 ret = copy_from_user_fdset_ptr(&rfds, &rfds_ptr, rfd_addr, n);
1473 if (ret) {
1474 return ret;
1475 }
1476 ret = copy_from_user_fdset_ptr(&wfds, &wfds_ptr, wfd_addr, n);
1477 if (ret) {
1478 return ret;
1479 }
1480 ret = copy_from_user_fdset_ptr(&efds, &efds_ptr, efd_addr, n);
1481 if (ret) {
1482 return ret;
1483 }
1484
1485
1486
1487
1488
1489 if (ts_addr) {
1490 if (time64) {
1491 if (target_to_host_timespec64(&ts, ts_addr)) {
1492 return -TARGET_EFAULT;
1493 }
1494 } else {
1495 if (target_to_host_timespec(&ts, ts_addr)) {
1496 return -TARGET_EFAULT;
1497 }
1498 }
1499 ts_ptr = &ts;
1500 } else {
1501 ts_ptr = NULL;
1502 }
1503
1504
1505 sig_ptr = NULL;
1506 if (arg6) {
1507 arg7 = lock_user(VERIFY_READ, arg6, sizeof(*arg7) * 2, 1);
1508 if (!arg7) {
1509 return -TARGET_EFAULT;
1510 }
1511 arg_sigset = tswapal(arg7[0]);
1512 arg_sigsize = tswapal(arg7[1]);
1513 unlock_user(arg7, arg6, 0);
1514
1515 if (arg_sigset) {
1516 ret = process_sigsuspend_mask(&sig.set, arg_sigset, arg_sigsize);
1517 if (ret != 0) {
1518 return ret;
1519 }
1520 sig_ptr = &sig;
1521 sig.size = SIGSET_T_SIZE;
1522 }
1523 }
1524
1525 ret = get_errno(safe_pselect6(n, rfds_ptr, wfds_ptr, efds_ptr,
1526 ts_ptr, sig_ptr));
1527
1528 if (sig_ptr) {
1529 finish_sigsuspend_mask(ret);
1530 }
1531
1532 if (!is_error(ret)) {
1533 if (rfd_addr && copy_to_user_fdset(rfd_addr, &rfds, n)) {
1534 return -TARGET_EFAULT;
1535 }
1536 if (wfd_addr && copy_to_user_fdset(wfd_addr, &wfds, n)) {
1537 return -TARGET_EFAULT;
1538 }
1539 if (efd_addr && copy_to_user_fdset(efd_addr, &efds, n)) {
1540 return -TARGET_EFAULT;
1541 }
1542 if (time64) {
1543 if (ts_addr && host_to_target_timespec64(ts_addr, &ts)) {
1544 return -TARGET_EFAULT;
1545 }
1546 } else {
1547 if (ts_addr && host_to_target_timespec(ts_addr, &ts)) {
1548 return -TARGET_EFAULT;
1549 }
1550 }
1551 }
1552 return ret;
1553}
1554#endif
1555
1556#if defined(TARGET_NR_poll) || defined(TARGET_NR_ppoll) || \
1557 defined(TARGET_NR_ppoll_time64)
1558static abi_long do_ppoll(abi_long arg1, abi_long arg2, abi_long arg3,
1559 abi_long arg4, abi_long arg5, bool ppoll, bool time64)
1560{
1561 struct target_pollfd *target_pfd;
1562 unsigned int nfds = arg2;
1563 struct pollfd *pfd;
1564 unsigned int i;
1565 abi_long ret;
1566
1567 pfd = NULL;
1568 target_pfd = NULL;
1569 if (nfds) {
1570 if (nfds > (INT_MAX / sizeof(struct target_pollfd))) {
1571 return -TARGET_EINVAL;
1572 }
1573 target_pfd = lock_user(VERIFY_WRITE, arg1,
1574 sizeof(struct target_pollfd) * nfds, 1);
1575 if (!target_pfd) {
1576 return -TARGET_EFAULT;
1577 }
1578
1579 pfd = alloca(sizeof(struct pollfd) * nfds);
1580 for (i = 0; i < nfds; i++) {
1581 pfd[i].fd = tswap32(target_pfd[i].fd);
1582 pfd[i].events = tswap16(target_pfd[i].events);
1583 }
1584 }
1585 if (ppoll) {
1586 struct timespec _timeout_ts, *timeout_ts = &_timeout_ts;
1587 sigset_t *set = NULL;
1588
1589 if (arg3) {
1590 if (time64) {
1591 if (target_to_host_timespec64(timeout_ts, arg3)) {
1592 unlock_user(target_pfd, arg1, 0);
1593 return -TARGET_EFAULT;
1594 }
1595 } else {
1596 if (target_to_host_timespec(timeout_ts, arg3)) {
1597 unlock_user(target_pfd, arg1, 0);
1598 return -TARGET_EFAULT;
1599 }
1600 }
1601 } else {
1602 timeout_ts = NULL;
1603 }
1604
1605 if (arg4) {
1606 ret = process_sigsuspend_mask(&set, arg4, arg5);
1607 if (ret != 0) {
1608 unlock_user(target_pfd, arg1, 0);
1609 return ret;
1610 }
1611 }
1612
1613 ret = get_errno(safe_ppoll(pfd, nfds, timeout_ts,
1614 set, SIGSET_T_SIZE));
1615
1616 if (set) {
1617 finish_sigsuspend_mask(ret);
1618 }
1619 if (!is_error(ret) && arg3) {
1620 if (time64) {
1621 if (host_to_target_timespec64(arg3, timeout_ts)) {
1622 return -TARGET_EFAULT;
1623 }
1624 } else {
1625 if (host_to_target_timespec(arg3, timeout_ts)) {
1626 return -TARGET_EFAULT;
1627 }
1628 }
1629 }
1630 } else {
1631 struct timespec ts, *pts;
1632
1633 if (arg3 >= 0) {
1634
1635 ts.tv_sec = arg3 / 1000;
1636 ts.tv_nsec = (arg3 % 1000) * 1000000LL;
1637 pts = &ts;
1638 } else {
1639
1640 pts = NULL;
1641 }
1642 ret = get_errno(safe_ppoll(pfd, nfds, pts, NULL, 0));
1643 }
1644
1645 if (!is_error(ret)) {
1646 for (i = 0; i < nfds; i++) {
1647 target_pfd[i].revents = tswap16(pfd[i].revents);
1648 }
1649 }
1650 unlock_user(target_pfd, arg1, sizeof(struct target_pollfd) * nfds);
1651 return ret;
1652}
1653#endif
1654
1655static abi_long do_pipe(CPUArchState *cpu_env, abi_ulong pipedes,
1656 int flags, int is_pipe2)
1657{
1658 int host_pipe[2];
1659 abi_long ret;
1660 ret = pipe2(host_pipe, flags);
1661
1662 if (is_error(ret))
1663 return get_errno(ret);
1664
1665
1666
1667 if (!is_pipe2) {
1668#if defined(TARGET_ALPHA)
1669 cpu_env->ir[IR_A4] = host_pipe[1];
1670 return host_pipe[0];
1671#elif defined(TARGET_MIPS)
1672 cpu_env->active_tc.gpr[3] = host_pipe[1];
1673 return host_pipe[0];
1674#elif defined(TARGET_SH4)
1675 cpu_env->gregs[1] = host_pipe[1];
1676 return host_pipe[0];
1677#elif defined(TARGET_SPARC)
1678 cpu_env->regwptr[1] = host_pipe[1];
1679 return host_pipe[0];
1680#endif
1681 }
1682
1683 if (put_user_s32(host_pipe[0], pipedes)
1684 || put_user_s32(host_pipe[1], pipedes + sizeof(abi_int)))
1685 return -TARGET_EFAULT;
1686 return get_errno(ret);
1687}
1688
1689static inline abi_long target_to_host_ip_mreq(struct ip_mreqn *mreqn,
1690 abi_ulong target_addr,
1691 socklen_t len)
1692{
1693 struct target_ip_mreqn *target_smreqn;
1694
1695 target_smreqn = lock_user(VERIFY_READ, target_addr, len, 1);
1696 if (!target_smreqn)
1697 return -TARGET_EFAULT;
1698 mreqn->imr_multiaddr.s_addr = target_smreqn->imr_multiaddr.s_addr;
1699 mreqn->imr_address.s_addr = target_smreqn->imr_address.s_addr;
1700 if (len == sizeof(struct target_ip_mreqn))
1701 mreqn->imr_ifindex = tswapal(target_smreqn->imr_ifindex);
1702 unlock_user(target_smreqn, target_addr, 0);
1703
1704 return 0;
1705}
1706
1707static inline abi_long target_to_host_sockaddr(int fd, struct sockaddr *addr,
1708 abi_ulong target_addr,
1709 socklen_t len)
1710{
1711 const socklen_t unix_maxlen = sizeof (struct sockaddr_un);
1712 sa_family_t sa_family;
1713 struct target_sockaddr *target_saddr;
1714
1715 if (fd_trans_target_to_host_addr(fd)) {
1716 return fd_trans_target_to_host_addr(fd)(addr, target_addr, len);
1717 }
1718
1719 target_saddr = lock_user(VERIFY_READ, target_addr, len, 1);
1720 if (!target_saddr)
1721 return -TARGET_EFAULT;
1722
1723 sa_family = tswap16(target_saddr->sa_family);
1724
1725
1726
1727
1728
1729
1730
1731
1732
1733 if (sa_family == AF_UNIX) {
1734 if (len < unix_maxlen && len > 0) {
1735 char *cp = (char*)target_saddr;
1736
1737 if ( cp[len-1] && !cp[len] )
1738 len++;
1739 }
1740 if (len > unix_maxlen)
1741 len = unix_maxlen;
1742 }
1743
1744 memcpy(addr, target_saddr, len);
1745 addr->sa_family = sa_family;
1746 if (sa_family == AF_NETLINK) {
1747 struct sockaddr_nl *nladdr;
1748
1749 nladdr = (struct sockaddr_nl *)addr;
1750 nladdr->nl_pid = tswap32(nladdr->nl_pid);
1751 nladdr->nl_groups = tswap32(nladdr->nl_groups);
1752 } else if (sa_family == AF_PACKET) {
1753 struct target_sockaddr_ll *lladdr;
1754
1755 lladdr = (struct target_sockaddr_ll *)addr;
1756 lladdr->sll_ifindex = tswap32(lladdr->sll_ifindex);
1757 lladdr->sll_hatype = tswap16(lladdr->sll_hatype);
1758 }
1759 unlock_user(target_saddr, target_addr, 0);
1760
1761 return 0;
1762}
1763
1764static inline abi_long host_to_target_sockaddr(abi_ulong target_addr,
1765 struct sockaddr *addr,
1766 socklen_t len)
1767{
1768 struct target_sockaddr *target_saddr;
1769
1770 if (len == 0) {
1771 return 0;
1772 }
1773 assert(addr);
1774
1775 target_saddr = lock_user(VERIFY_WRITE, target_addr, len, 0);
1776 if (!target_saddr)
1777 return -TARGET_EFAULT;
1778 memcpy(target_saddr, addr, len);
1779 if (len >= offsetof(struct target_sockaddr, sa_family) +
1780 sizeof(target_saddr->sa_family)) {
1781 target_saddr->sa_family = tswap16(addr->sa_family);
1782 }
1783 if (addr->sa_family == AF_NETLINK &&
1784 len >= sizeof(struct target_sockaddr_nl)) {
1785 struct target_sockaddr_nl *target_nl =
1786 (struct target_sockaddr_nl *)target_saddr;
1787 target_nl->nl_pid = tswap32(target_nl->nl_pid);
1788 target_nl->nl_groups = tswap32(target_nl->nl_groups);
1789 } else if (addr->sa_family == AF_PACKET) {
1790 struct sockaddr_ll *target_ll = (struct sockaddr_ll *)target_saddr;
1791 target_ll->sll_ifindex = tswap32(target_ll->sll_ifindex);
1792 target_ll->sll_hatype = tswap16(target_ll->sll_hatype);
1793 } else if (addr->sa_family == AF_INET6 &&
1794 len >= sizeof(struct target_sockaddr_in6)) {
1795 struct target_sockaddr_in6 *target_in6 =
1796 (struct target_sockaddr_in6 *)target_saddr;
1797 target_in6->sin6_scope_id = tswap16(target_in6->sin6_scope_id);
1798 }
1799 unlock_user(target_saddr, target_addr, len);
1800
1801 return 0;
1802}
1803
1804static inline abi_long target_to_host_cmsg(struct msghdr *msgh,
1805 struct target_msghdr *target_msgh)
1806{
1807 struct cmsghdr *cmsg = CMSG_FIRSTHDR(msgh);
1808 abi_long msg_controllen;
1809 abi_ulong target_cmsg_addr;
1810 struct target_cmsghdr *target_cmsg, *target_cmsg_start;
1811 socklen_t space = 0;
1812
1813 msg_controllen = tswapal(target_msgh->msg_controllen);
1814 if (msg_controllen < sizeof (struct target_cmsghdr))
1815 goto the_end;
1816 target_cmsg_addr = tswapal(target_msgh->msg_control);
1817 target_cmsg = lock_user(VERIFY_READ, target_cmsg_addr, msg_controllen, 1);
1818 target_cmsg_start = target_cmsg;
1819 if (!target_cmsg)
1820 return -TARGET_EFAULT;
1821
1822 while (cmsg && target_cmsg) {
1823 void *data = CMSG_DATA(cmsg);
1824 void *target_data = TARGET_CMSG_DATA(target_cmsg);
1825
1826 int len = tswapal(target_cmsg->cmsg_len)
1827 - sizeof(struct target_cmsghdr);
1828
1829 space += CMSG_SPACE(len);
1830 if (space > msgh->msg_controllen) {
1831 space -= CMSG_SPACE(len);
1832
1833
1834
1835
1836
1837
1838
1839
1840
1841 qemu_log_mask(LOG_UNIMP,
1842 ("Unsupported ancillary data %d/%d: "
1843 "unhandled msg size\n"),
1844 tswap32(target_cmsg->cmsg_level),
1845 tswap32(target_cmsg->cmsg_type));
1846 break;
1847 }
1848
1849 if (tswap32(target_cmsg->cmsg_level) == TARGET_SOL_SOCKET) {
1850 cmsg->cmsg_level = SOL_SOCKET;
1851 } else {
1852 cmsg->cmsg_level = tswap32(target_cmsg->cmsg_level);
1853 }
1854 cmsg->cmsg_type = tswap32(target_cmsg->cmsg_type);
1855 cmsg->cmsg_len = CMSG_LEN(len);
1856
1857 if (cmsg->cmsg_level == SOL_SOCKET && cmsg->cmsg_type == SCM_RIGHTS) {
1858 int *fd = (int *)data;
1859 int *target_fd = (int *)target_data;
1860 int i, numfds = len / sizeof(int);
1861
1862 for (i = 0; i < numfds; i++) {
1863 __get_user(fd[i], target_fd + i);
1864 }
1865 } else if (cmsg->cmsg_level == SOL_SOCKET
1866 && cmsg->cmsg_type == SCM_CREDENTIALS) {
1867 struct ucred *cred = (struct ucred *)data;
1868 struct target_ucred *target_cred =
1869 (struct target_ucred *)target_data;
1870
1871 __get_user(cred->pid, &target_cred->pid);
1872 __get_user(cred->uid, &target_cred->uid);
1873 __get_user(cred->gid, &target_cred->gid);
1874 } else {
1875 qemu_log_mask(LOG_UNIMP, "Unsupported ancillary data: %d/%d\n",
1876 cmsg->cmsg_level, cmsg->cmsg_type);
1877 memcpy(data, target_data, len);
1878 }
1879
1880 cmsg = CMSG_NXTHDR(msgh, cmsg);
1881 target_cmsg = TARGET_CMSG_NXTHDR(target_msgh, target_cmsg,
1882 target_cmsg_start);
1883 }
1884 unlock_user(target_cmsg, target_cmsg_addr, 0);
1885 the_end:
1886 msgh->msg_controllen = space;
1887 return 0;
1888}
1889
1890static inline abi_long host_to_target_cmsg(struct target_msghdr *target_msgh,
1891 struct msghdr *msgh)
1892{
1893 struct cmsghdr *cmsg = CMSG_FIRSTHDR(msgh);
1894 abi_long msg_controllen;
1895 abi_ulong target_cmsg_addr;
1896 struct target_cmsghdr *target_cmsg, *target_cmsg_start;
1897 socklen_t space = 0;
1898
1899 msg_controllen = tswapal(target_msgh->msg_controllen);
1900 if (msg_controllen < sizeof (struct target_cmsghdr))
1901 goto the_end;
1902 target_cmsg_addr = tswapal(target_msgh->msg_control);
1903 target_cmsg = lock_user(VERIFY_WRITE, target_cmsg_addr, msg_controllen, 0);
1904 target_cmsg_start = target_cmsg;
1905 if (!target_cmsg)
1906 return -TARGET_EFAULT;
1907
1908 while (cmsg && target_cmsg) {
1909 void *data = CMSG_DATA(cmsg);
1910 void *target_data = TARGET_CMSG_DATA(target_cmsg);
1911
1912 int len = cmsg->cmsg_len - sizeof(struct cmsghdr);
1913 int tgt_len, tgt_space;
1914
1915
1916
1917
1918
1919
1920
1921 if (msg_controllen < sizeof(struct target_cmsghdr)) {
1922 target_msgh->msg_flags |= tswap32(MSG_CTRUNC);
1923 break;
1924 }
1925
1926 if (cmsg->cmsg_level == SOL_SOCKET) {
1927 target_cmsg->cmsg_level = tswap32(TARGET_SOL_SOCKET);
1928 } else {
1929 target_cmsg->cmsg_level = tswap32(cmsg->cmsg_level);
1930 }
1931 target_cmsg->cmsg_type = tswap32(cmsg->cmsg_type);
1932
1933
1934
1935
1936 tgt_len = len;
1937 switch (cmsg->cmsg_level) {
1938 case SOL_SOCKET:
1939 switch (cmsg->cmsg_type) {
1940 case SO_TIMESTAMP:
1941 tgt_len = sizeof(struct target_timeval);
1942 break;
1943 default:
1944 break;
1945 }
1946 break;
1947 default:
1948 break;
1949 }
1950
1951 if (msg_controllen < TARGET_CMSG_LEN(tgt_len)) {
1952 target_msgh->msg_flags |= tswap32(MSG_CTRUNC);
1953 tgt_len = msg_controllen - sizeof(struct target_cmsghdr);
1954 }
1955
1956
1957
1958
1959
1960
1961 switch (cmsg->cmsg_level) {
1962 case SOL_SOCKET:
1963 switch (cmsg->cmsg_type) {
1964 case SCM_RIGHTS:
1965 {
1966 int *fd = (int *)data;
1967 int *target_fd = (int *)target_data;
1968 int i, numfds = tgt_len / sizeof(int);
1969
1970 for (i = 0; i < numfds; i++) {
1971 __put_user(fd[i], target_fd + i);
1972 }
1973 break;
1974 }
1975 case SO_TIMESTAMP:
1976 {
1977 struct timeval *tv = (struct timeval *)data;
1978 struct target_timeval *target_tv =
1979 (struct target_timeval *)target_data;
1980
1981 if (len != sizeof(struct timeval) ||
1982 tgt_len != sizeof(struct target_timeval)) {
1983 goto unimplemented;
1984 }
1985
1986
1987 __put_user(tv->tv_sec, &target_tv->tv_sec);
1988 __put_user(tv->tv_usec, &target_tv->tv_usec);
1989 break;
1990 }
1991 case SCM_CREDENTIALS:
1992 {
1993 struct ucred *cred = (struct ucred *)data;
1994 struct target_ucred *target_cred =
1995 (struct target_ucred *)target_data;
1996
1997 __put_user(cred->pid, &target_cred->pid);
1998 __put_user(cred->uid, &target_cred->uid);
1999 __put_user(cred->gid, &target_cred->gid);
2000 break;
2001 }
2002 default:
2003 goto unimplemented;
2004 }
2005 break;
2006
2007 case SOL_IP:
2008 switch (cmsg->cmsg_type) {
2009 case IP_TTL:
2010 {
2011 uint32_t *v = (uint32_t *)data;
2012 uint32_t *t_int = (uint32_t *)target_data;
2013
2014 if (len != sizeof(uint32_t) ||
2015 tgt_len != sizeof(uint32_t)) {
2016 goto unimplemented;
2017 }
2018 __put_user(*v, t_int);
2019 break;
2020 }
2021 case IP_RECVERR:
2022 {
2023 struct errhdr_t {
2024 struct sock_extended_err ee;
2025 struct sockaddr_in offender;
2026 };
2027 struct errhdr_t *errh = (struct errhdr_t *)data;
2028 struct errhdr_t *target_errh =
2029 (struct errhdr_t *)target_data;
2030
2031 if (len != sizeof(struct errhdr_t) ||
2032 tgt_len != sizeof(struct errhdr_t)) {
2033 goto unimplemented;
2034 }
2035 __put_user(errh->ee.ee_errno, &target_errh->ee.ee_errno);
2036 __put_user(errh->ee.ee_origin, &target_errh->ee.ee_origin);
2037 __put_user(errh->ee.ee_type, &target_errh->ee.ee_type);
2038 __put_user(errh->ee.ee_code, &target_errh->ee.ee_code);
2039 __put_user(errh->ee.ee_pad, &target_errh->ee.ee_pad);
2040 __put_user(errh->ee.ee_info, &target_errh->ee.ee_info);
2041 __put_user(errh->ee.ee_data, &target_errh->ee.ee_data);
2042 host_to_target_sockaddr((unsigned long) &target_errh->offender,
2043 (void *) &errh->offender, sizeof(errh->offender));
2044 break;
2045 }
2046 default:
2047 goto unimplemented;
2048 }
2049 break;
2050
2051 case SOL_IPV6:
2052 switch (cmsg->cmsg_type) {
2053 case IPV6_HOPLIMIT:
2054 {
2055 uint32_t *v = (uint32_t *)data;
2056 uint32_t *t_int = (uint32_t *)target_data;
2057
2058 if (len != sizeof(uint32_t) ||
2059 tgt_len != sizeof(uint32_t)) {
2060 goto unimplemented;
2061 }
2062 __put_user(*v, t_int);
2063 break;
2064 }
2065 case IPV6_RECVERR:
2066 {
2067 struct errhdr6_t {
2068 struct sock_extended_err ee;
2069 struct sockaddr_in6 offender;
2070 };
2071 struct errhdr6_t *errh = (struct errhdr6_t *)data;
2072 struct errhdr6_t *target_errh =
2073 (struct errhdr6_t *)target_data;
2074
2075 if (len != sizeof(struct errhdr6_t) ||
2076 tgt_len != sizeof(struct errhdr6_t)) {
2077 goto unimplemented;
2078 }
2079 __put_user(errh->ee.ee_errno, &target_errh->ee.ee_errno);
2080 __put_user(errh->ee.ee_origin, &target_errh->ee.ee_origin);
2081 __put_user(errh->ee.ee_type, &target_errh->ee.ee_type);
2082 __put_user(errh->ee.ee_code, &target_errh->ee.ee_code);
2083 __put_user(errh->ee.ee_pad, &target_errh->ee.ee_pad);
2084 __put_user(errh->ee.ee_info, &target_errh->ee.ee_info);
2085 __put_user(errh->ee.ee_data, &target_errh->ee.ee_data);
2086 host_to_target_sockaddr((unsigned long) &target_errh->offender,
2087 (void *) &errh->offender, sizeof(errh->offender));
2088 break;
2089 }
2090 default:
2091 goto unimplemented;
2092 }
2093 break;
2094
2095 default:
2096 unimplemented:
2097 qemu_log_mask(LOG_UNIMP, "Unsupported ancillary data: %d/%d\n",
2098 cmsg->cmsg_level, cmsg->cmsg_type);
2099 memcpy(target_data, data, MIN(len, tgt_len));
2100 if (tgt_len > len) {
2101 memset(target_data + len, 0, tgt_len - len);
2102 }
2103 }
2104
2105 target_cmsg->cmsg_len = tswapal(TARGET_CMSG_LEN(tgt_len));
2106 tgt_space = TARGET_CMSG_SPACE(tgt_len);
2107 if (msg_controllen < tgt_space) {
2108 tgt_space = msg_controllen;
2109 }
2110 msg_controllen -= tgt_space;
2111 space += tgt_space;
2112 cmsg = CMSG_NXTHDR(msgh, cmsg);
2113 target_cmsg = TARGET_CMSG_NXTHDR(target_msgh, target_cmsg,
2114 target_cmsg_start);
2115 }
2116 unlock_user(target_cmsg, target_cmsg_addr, space);
2117 the_end:
2118 target_msgh->msg_controllen = tswapal(space);
2119 return 0;
2120}
2121
2122
2123static abi_long do_setsockopt(int sockfd, int level, int optname,
2124 abi_ulong optval_addr, socklen_t optlen)
2125{
2126 abi_long ret;
2127 int val;
2128 struct ip_mreqn *ip_mreq;
2129 struct ip_mreq_source *ip_mreq_source;
2130
2131 switch(level) {
2132 case SOL_TCP:
2133 case SOL_UDP:
2134
2135 if (optlen < sizeof(uint32_t))
2136 return -TARGET_EINVAL;
2137
2138 if (get_user_u32(val, optval_addr))
2139 return -TARGET_EFAULT;
2140 ret = get_errno(setsockopt(sockfd, level, optname, &val, sizeof(val)));
2141 break;
2142 case SOL_IP:
2143 switch(optname) {
2144 case IP_TOS:
2145 case IP_TTL:
2146 case IP_HDRINCL:
2147 case IP_ROUTER_ALERT:
2148 case IP_RECVOPTS:
2149 case IP_RETOPTS:
2150 case IP_PKTINFO:
2151 case IP_MTU_DISCOVER:
2152 case IP_RECVERR:
2153 case IP_RECVTTL:
2154 case IP_RECVTOS:
2155#ifdef IP_FREEBIND
2156 case IP_FREEBIND:
2157#endif
2158 case IP_MULTICAST_TTL:
2159 case IP_MULTICAST_LOOP:
2160 val = 0;
2161 if (optlen >= sizeof(uint32_t)) {
2162 if (get_user_u32(val, optval_addr))
2163 return -TARGET_EFAULT;
2164 } else if (optlen >= 1) {
2165 if (get_user_u8(val, optval_addr))
2166 return -TARGET_EFAULT;
2167 }
2168 ret = get_errno(setsockopt(sockfd, level, optname, &val, sizeof(val)));
2169 break;
2170 case IP_ADD_MEMBERSHIP:
2171 case IP_DROP_MEMBERSHIP:
2172 if (optlen < sizeof (struct target_ip_mreq) ||
2173 optlen > sizeof (struct target_ip_mreqn))
2174 return -TARGET_EINVAL;
2175
2176 ip_mreq = (struct ip_mreqn *) alloca(optlen);
2177 target_to_host_ip_mreq(ip_mreq, optval_addr, optlen);
2178 ret = get_errno(setsockopt(sockfd, level, optname, ip_mreq, optlen));
2179 break;
2180
2181 case IP_BLOCK_SOURCE:
2182 case IP_UNBLOCK_SOURCE:
2183 case IP_ADD_SOURCE_MEMBERSHIP:
2184 case IP_DROP_SOURCE_MEMBERSHIP:
2185 if (optlen != sizeof (struct target_ip_mreq_source))
2186 return -TARGET_EINVAL;
2187
2188 ip_mreq_source = lock_user(VERIFY_READ, optval_addr, optlen, 1);
2189 if (!ip_mreq_source) {
2190 return -TARGET_EFAULT;
2191 }
2192 ret = get_errno(setsockopt(sockfd, level, optname, ip_mreq_source, optlen));
2193 unlock_user (ip_mreq_source, optval_addr, 0);
2194 break;
2195
2196 default:
2197 goto unimplemented;
2198 }
2199 break;
2200 case SOL_IPV6:
2201 switch (optname) {
2202 case IPV6_MTU_DISCOVER:
2203 case IPV6_MTU:
2204 case IPV6_V6ONLY:
2205 case IPV6_RECVPKTINFO:
2206 case IPV6_UNICAST_HOPS:
2207 case IPV6_MULTICAST_HOPS:
2208 case IPV6_MULTICAST_LOOP:
2209 case IPV6_RECVERR:
2210 case IPV6_RECVHOPLIMIT:
2211 case IPV6_2292HOPLIMIT:
2212 case IPV6_CHECKSUM:
2213 case IPV6_ADDRFORM:
2214 case IPV6_2292PKTINFO:
2215 case IPV6_RECVTCLASS:
2216 case IPV6_RECVRTHDR:
2217 case IPV6_2292RTHDR:
2218 case IPV6_RECVHOPOPTS:
2219 case IPV6_2292HOPOPTS:
2220 case IPV6_RECVDSTOPTS:
2221 case IPV6_2292DSTOPTS:
2222 case IPV6_TCLASS:
2223 case IPV6_ADDR_PREFERENCES:
2224#ifdef IPV6_RECVPATHMTU
2225 case IPV6_RECVPATHMTU:
2226#endif
2227#ifdef IPV6_TRANSPARENT
2228 case IPV6_TRANSPARENT:
2229#endif
2230#ifdef IPV6_FREEBIND
2231 case IPV6_FREEBIND:
2232#endif
2233#ifdef IPV6_RECVORIGDSTADDR
2234 case IPV6_RECVORIGDSTADDR:
2235#endif
2236 val = 0;
2237 if (optlen < sizeof(uint32_t)) {
2238 return -TARGET_EINVAL;
2239 }
2240 if (get_user_u32(val, optval_addr)) {
2241 return -TARGET_EFAULT;
2242 }
2243 ret = get_errno(setsockopt(sockfd, level, optname,
2244 &val, sizeof(val)));
2245 break;
2246 case IPV6_PKTINFO:
2247 {
2248 struct in6_pktinfo pki;
2249
2250 if (optlen < sizeof(pki)) {
2251 return -TARGET_EINVAL;
2252 }
2253
2254 if (copy_from_user(&pki, optval_addr, sizeof(pki))) {
2255 return -TARGET_EFAULT;
2256 }
2257
2258 pki.ipi6_ifindex = tswap32(pki.ipi6_ifindex);
2259
2260 ret = get_errno(setsockopt(sockfd, level, optname,
2261 &pki, sizeof(pki)));
2262 break;
2263 }
2264 case IPV6_ADD_MEMBERSHIP:
2265 case IPV6_DROP_MEMBERSHIP:
2266 {
2267 struct ipv6_mreq ipv6mreq;
2268
2269 if (optlen < sizeof(ipv6mreq)) {
2270 return -TARGET_EINVAL;
2271 }
2272
2273 if (copy_from_user(&ipv6mreq, optval_addr, sizeof(ipv6mreq))) {
2274 return -TARGET_EFAULT;
2275 }
2276
2277 ipv6mreq.ipv6mr_interface = tswap32(ipv6mreq.ipv6mr_interface);
2278
2279 ret = get_errno(setsockopt(sockfd, level, optname,
2280 &ipv6mreq, sizeof(ipv6mreq)));
2281 break;
2282 }
2283 default:
2284 goto unimplemented;
2285 }
2286 break;
2287 case SOL_ICMPV6:
2288 switch (optname) {
2289 case ICMPV6_FILTER:
2290 {
2291 struct icmp6_filter icmp6f;
2292
2293 if (optlen > sizeof(icmp6f)) {
2294 optlen = sizeof(icmp6f);
2295 }
2296
2297 if (copy_from_user(&icmp6f, optval_addr, optlen)) {
2298 return -TARGET_EFAULT;
2299 }
2300
2301 for (val = 0; val < 8; val++) {
2302 icmp6f.data[val] = tswap32(icmp6f.data[val]);
2303 }
2304
2305 ret = get_errno(setsockopt(sockfd, level, optname,
2306 &icmp6f, optlen));
2307 break;
2308 }
2309 default:
2310 goto unimplemented;
2311 }
2312 break;
2313 case SOL_RAW:
2314 switch (optname) {
2315 case ICMP_FILTER:
2316 case IPV6_CHECKSUM:
2317
2318 if (optlen < sizeof(uint32_t)) {
2319 return -TARGET_EINVAL;
2320 }
2321
2322 if (get_user_u32(val, optval_addr)) {
2323 return -TARGET_EFAULT;
2324 }
2325 ret = get_errno(setsockopt(sockfd, level, optname,
2326 &val, sizeof(val)));
2327 break;
2328
2329 default:
2330 goto unimplemented;
2331 }
2332 break;
2333#if defined(SOL_ALG) && defined(ALG_SET_KEY) && defined(ALG_SET_AEAD_AUTHSIZE)
2334 case SOL_ALG:
2335 switch (optname) {
2336 case ALG_SET_KEY:
2337 {
2338 char *alg_key = g_malloc(optlen);
2339
2340 if (!alg_key) {
2341 return -TARGET_ENOMEM;
2342 }
2343 if (copy_from_user(alg_key, optval_addr, optlen)) {
2344 g_free(alg_key);
2345 return -TARGET_EFAULT;
2346 }
2347 ret = get_errno(setsockopt(sockfd, level, optname,
2348 alg_key, optlen));
2349 g_free(alg_key);
2350 break;
2351 }
2352 case ALG_SET_AEAD_AUTHSIZE:
2353 {
2354 ret = get_errno(setsockopt(sockfd, level, optname,
2355 NULL, optlen));
2356 break;
2357 }
2358 default:
2359 goto unimplemented;
2360 }
2361 break;
2362#endif
2363 case TARGET_SOL_SOCKET:
2364 switch (optname) {
2365 case TARGET_SO_RCVTIMEO:
2366 {
2367 struct timeval tv;
2368
2369 optname = SO_RCVTIMEO;
2370
2371set_timeout:
2372 if (optlen != sizeof(struct target_timeval)) {
2373 return -TARGET_EINVAL;
2374 }
2375
2376 if (copy_from_user_timeval(&tv, optval_addr)) {
2377 return -TARGET_EFAULT;
2378 }
2379
2380 ret = get_errno(setsockopt(sockfd, SOL_SOCKET, optname,
2381 &tv, sizeof(tv)));
2382 return ret;
2383 }
2384 case TARGET_SO_SNDTIMEO:
2385 optname = SO_SNDTIMEO;
2386 goto set_timeout;
2387 case TARGET_SO_ATTACH_FILTER:
2388 {
2389 struct target_sock_fprog *tfprog;
2390 struct target_sock_filter *tfilter;
2391 struct sock_fprog fprog;
2392 struct sock_filter *filter;
2393 int i;
2394
2395 if (optlen != sizeof(*tfprog)) {
2396 return -TARGET_EINVAL;
2397 }
2398 if (!lock_user_struct(VERIFY_READ, tfprog, optval_addr, 0)) {
2399 return -TARGET_EFAULT;
2400 }
2401 if (!lock_user_struct(VERIFY_READ, tfilter,
2402 tswapal(tfprog->filter), 0)) {
2403 unlock_user_struct(tfprog, optval_addr, 1);
2404 return -TARGET_EFAULT;
2405 }
2406
2407 fprog.len = tswap16(tfprog->len);
2408 filter = g_try_new(struct sock_filter, fprog.len);
2409 if (filter == NULL) {
2410 unlock_user_struct(tfilter, tfprog->filter, 1);
2411 unlock_user_struct(tfprog, optval_addr, 1);
2412 return -TARGET_ENOMEM;
2413 }
2414 for (i = 0; i < fprog.len; i++) {
2415 filter[i].code = tswap16(tfilter[i].code);
2416 filter[i].jt = tfilter[i].jt;
2417 filter[i].jf = tfilter[i].jf;
2418 filter[i].k = tswap32(tfilter[i].k);
2419 }
2420 fprog.filter = filter;
2421
2422 ret = get_errno(setsockopt(sockfd, SOL_SOCKET,
2423 SO_ATTACH_FILTER, &fprog, sizeof(fprog)));
2424 g_free(filter);
2425
2426 unlock_user_struct(tfilter, tfprog->filter, 1);
2427 unlock_user_struct(tfprog, optval_addr, 1);
2428 return ret;
2429 }
2430 case TARGET_SO_BINDTODEVICE:
2431 {
2432 char *dev_ifname, *addr_ifname;
2433
2434 if (optlen > IFNAMSIZ - 1) {
2435 optlen = IFNAMSIZ - 1;
2436 }
2437 dev_ifname = lock_user(VERIFY_READ, optval_addr, optlen, 1);
2438 if (!dev_ifname) {
2439 return -TARGET_EFAULT;
2440 }
2441 optname = SO_BINDTODEVICE;
2442 addr_ifname = alloca(IFNAMSIZ);
2443 memcpy(addr_ifname, dev_ifname, optlen);
2444 addr_ifname[optlen] = 0;
2445 ret = get_errno(setsockopt(sockfd, SOL_SOCKET, optname,
2446 addr_ifname, optlen));
2447 unlock_user (dev_ifname, optval_addr, 0);
2448 return ret;
2449 }
2450 case TARGET_SO_LINGER:
2451 {
2452 struct linger lg;
2453 struct target_linger *tlg;
2454
2455 if (optlen != sizeof(struct target_linger)) {
2456 return -TARGET_EINVAL;
2457 }
2458 if (!lock_user_struct(VERIFY_READ, tlg, optval_addr, 1)) {
2459 return -TARGET_EFAULT;
2460 }
2461 __get_user(lg.l_onoff, &tlg->l_onoff);
2462 __get_user(lg.l_linger, &tlg->l_linger);
2463 ret = get_errno(setsockopt(sockfd, SOL_SOCKET, SO_LINGER,
2464 &lg, sizeof(lg)));
2465 unlock_user_struct(tlg, optval_addr, 0);
2466 return ret;
2467 }
2468
2469 case TARGET_SO_DEBUG:
2470 optname = SO_DEBUG;
2471 break;
2472 case TARGET_SO_REUSEADDR:
2473 optname = SO_REUSEADDR;
2474 break;
2475#ifdef SO_REUSEPORT
2476 case TARGET_SO_REUSEPORT:
2477 optname = SO_REUSEPORT;
2478 break;
2479#endif
2480 case TARGET_SO_TYPE:
2481 optname = SO_TYPE;
2482 break;
2483 case TARGET_SO_ERROR:
2484 optname = SO_ERROR;
2485 break;
2486 case TARGET_SO_DONTROUTE:
2487 optname = SO_DONTROUTE;
2488 break;
2489 case TARGET_SO_BROADCAST:
2490 optname = SO_BROADCAST;
2491 break;
2492 case TARGET_SO_SNDBUF:
2493 optname = SO_SNDBUF;
2494 break;
2495 case TARGET_SO_SNDBUFFORCE:
2496 optname = SO_SNDBUFFORCE;
2497 break;
2498 case TARGET_SO_RCVBUF:
2499 optname = SO_RCVBUF;
2500 break;
2501 case TARGET_SO_RCVBUFFORCE:
2502 optname = SO_RCVBUFFORCE;
2503 break;
2504 case TARGET_SO_KEEPALIVE:
2505 optname = SO_KEEPALIVE;
2506 break;
2507 case TARGET_SO_OOBINLINE:
2508 optname = SO_OOBINLINE;
2509 break;
2510 case TARGET_SO_NO_CHECK:
2511 optname = SO_NO_CHECK;
2512 break;
2513 case TARGET_SO_PRIORITY:
2514 optname = SO_PRIORITY;
2515 break;
2516#ifdef SO_BSDCOMPAT
2517 case TARGET_SO_BSDCOMPAT:
2518 optname = SO_BSDCOMPAT;
2519 break;
2520#endif
2521 case TARGET_SO_PASSCRED:
2522 optname = SO_PASSCRED;
2523 break;
2524 case TARGET_SO_PASSSEC:
2525 optname = SO_PASSSEC;
2526 break;
2527 case TARGET_SO_TIMESTAMP:
2528 optname = SO_TIMESTAMP;
2529 break;
2530 case TARGET_SO_RCVLOWAT:
2531 optname = SO_RCVLOWAT;
2532 break;
2533 default:
2534 goto unimplemented;
2535 }
2536 if (optlen < sizeof(uint32_t))
2537 return -TARGET_EINVAL;
2538
2539 if (get_user_u32(val, optval_addr))
2540 return -TARGET_EFAULT;
2541 ret = get_errno(setsockopt(sockfd, SOL_SOCKET, optname, &val, sizeof(val)));
2542 break;
2543#ifdef SOL_NETLINK
2544 case SOL_NETLINK:
2545 switch (optname) {
2546 case NETLINK_PKTINFO:
2547 case NETLINK_ADD_MEMBERSHIP:
2548 case NETLINK_DROP_MEMBERSHIP:
2549 case NETLINK_BROADCAST_ERROR:
2550 case NETLINK_NO_ENOBUFS:
2551#if LINUX_VERSION_CODE >= KERNEL_VERSION(4, 2, 0)
2552 case NETLINK_LISTEN_ALL_NSID:
2553 case NETLINK_CAP_ACK:
2554#endif
2555#if LINUX_VERSION_CODE >= KERNEL_VERSION(4, 12, 0)
2556 case NETLINK_EXT_ACK:
2557#endif
2558#if LINUX_VERSION_CODE >= KERNEL_VERSION(4, 20, 0)
2559 case NETLINK_GET_STRICT_CHK:
2560#endif
2561 break;
2562 default:
2563 goto unimplemented;
2564 }
2565 val = 0;
2566 if (optlen < sizeof(uint32_t)) {
2567 return -TARGET_EINVAL;
2568 }
2569 if (get_user_u32(val, optval_addr)) {
2570 return -TARGET_EFAULT;
2571 }
2572 ret = get_errno(setsockopt(sockfd, SOL_NETLINK, optname, &val,
2573 sizeof(val)));
2574 break;
2575#endif
2576 default:
2577 unimplemented:
2578 qemu_log_mask(LOG_UNIMP, "Unsupported setsockopt level=%d optname=%d\n",
2579 level, optname);
2580 ret = -TARGET_ENOPROTOOPT;
2581 }
2582 return ret;
2583}
2584
2585
2586static abi_long do_getsockopt(int sockfd, int level, int optname,
2587 abi_ulong optval_addr, abi_ulong optlen)
2588{
2589 abi_long ret;
2590 int len, val;
2591 socklen_t lv;
2592
2593 switch(level) {
2594 case TARGET_SOL_SOCKET:
2595 level = SOL_SOCKET;
2596 switch (optname) {
2597
2598 case TARGET_SO_PEERNAME:
2599 goto unimplemented;
2600 case TARGET_SO_RCVTIMEO: {
2601 struct timeval tv;
2602 socklen_t tvlen;
2603
2604 optname = SO_RCVTIMEO;
2605
2606get_timeout:
2607 if (get_user_u32(len, optlen)) {
2608 return -TARGET_EFAULT;
2609 }
2610 if (len < 0) {
2611 return -TARGET_EINVAL;
2612 }
2613
2614 tvlen = sizeof(tv);
2615 ret = get_errno(getsockopt(sockfd, level, optname,
2616 &tv, &tvlen));
2617 if (ret < 0) {
2618 return ret;
2619 }
2620 if (len > sizeof(struct target_timeval)) {
2621 len = sizeof(struct target_timeval);
2622 }
2623 if (copy_to_user_timeval(optval_addr, &tv)) {
2624 return -TARGET_EFAULT;
2625 }
2626 if (put_user_u32(len, optlen)) {
2627 return -TARGET_EFAULT;
2628 }
2629 break;
2630 }
2631 case TARGET_SO_SNDTIMEO:
2632 optname = SO_SNDTIMEO;
2633 goto get_timeout;
2634 case TARGET_SO_PEERCRED: {
2635 struct ucred cr;
2636 socklen_t crlen;
2637 struct target_ucred *tcr;
2638
2639 if (get_user_u32(len, optlen)) {
2640 return -TARGET_EFAULT;
2641 }
2642 if (len < 0) {
2643 return -TARGET_EINVAL;
2644 }
2645
2646 crlen = sizeof(cr);
2647 ret = get_errno(getsockopt(sockfd, level, SO_PEERCRED,
2648 &cr, &crlen));
2649 if (ret < 0) {
2650 return ret;
2651 }
2652 if (len > crlen) {
2653 len = crlen;
2654 }
2655 if (!lock_user_struct(VERIFY_WRITE, tcr, optval_addr, 0)) {
2656 return -TARGET_EFAULT;
2657 }
2658 __put_user(cr.pid, &tcr->pid);
2659 __put_user(cr.uid, &tcr->uid);
2660 __put_user(cr.gid, &tcr->gid);
2661 unlock_user_struct(tcr, optval_addr, 1);
2662 if (put_user_u32(len, optlen)) {
2663 return -TARGET_EFAULT;
2664 }
2665 break;
2666 }
2667 case TARGET_SO_PEERSEC: {
2668 char *name;
2669
2670 if (get_user_u32(len, optlen)) {
2671 return -TARGET_EFAULT;
2672 }
2673 if (len < 0) {
2674 return -TARGET_EINVAL;
2675 }
2676 name = lock_user(VERIFY_WRITE, optval_addr, len, 0);
2677 if (!name) {
2678 return -TARGET_EFAULT;
2679 }
2680 lv = len;
2681 ret = get_errno(getsockopt(sockfd, level, SO_PEERSEC,
2682 name, &lv));
2683 if (put_user_u32(lv, optlen)) {
2684 ret = -TARGET_EFAULT;
2685 }
2686 unlock_user(name, optval_addr, lv);
2687 break;
2688 }
2689 case TARGET_SO_LINGER:
2690 {
2691 struct linger lg;
2692 socklen_t lglen;
2693 struct target_linger *tlg;
2694
2695 if (get_user_u32(len, optlen)) {
2696 return -TARGET_EFAULT;
2697 }
2698 if (len < 0) {
2699 return -TARGET_EINVAL;
2700 }
2701
2702 lglen = sizeof(lg);
2703 ret = get_errno(getsockopt(sockfd, level, SO_LINGER,
2704 &lg, &lglen));
2705 if (ret < 0) {
2706 return ret;
2707 }
2708 if (len > lglen) {
2709 len = lglen;
2710 }
2711 if (!lock_user_struct(VERIFY_WRITE, tlg, optval_addr, 0)) {
2712 return -TARGET_EFAULT;
2713 }
2714 __put_user(lg.l_onoff, &tlg->l_onoff);
2715 __put_user(lg.l_linger, &tlg->l_linger);
2716 unlock_user_struct(tlg, optval_addr, 1);
2717 if (put_user_u32(len, optlen)) {
2718 return -TARGET_EFAULT;
2719 }
2720 break;
2721 }
2722
2723 case TARGET_SO_DEBUG:
2724 optname = SO_DEBUG;
2725 goto int_case;
2726 case TARGET_SO_REUSEADDR:
2727 optname = SO_REUSEADDR;
2728 goto int_case;
2729#ifdef SO_REUSEPORT
2730 case TARGET_SO_REUSEPORT:
2731 optname = SO_REUSEPORT;
2732 goto int_case;
2733#endif
2734 case TARGET_SO_TYPE:
2735 optname = SO_TYPE;
2736 goto int_case;
2737 case TARGET_SO_ERROR:
2738 optname = SO_ERROR;
2739 goto int_case;
2740 case TARGET_SO_DONTROUTE:
2741 optname = SO_DONTROUTE;
2742 goto int_case;
2743 case TARGET_SO_BROADCAST:
2744 optname = SO_BROADCAST;
2745 goto int_case;
2746 case TARGET_SO_SNDBUF:
2747 optname = SO_SNDBUF;
2748 goto int_case;
2749 case TARGET_SO_RCVBUF:
2750 optname = SO_RCVBUF;
2751 goto int_case;
2752 case TARGET_SO_KEEPALIVE:
2753 optname = SO_KEEPALIVE;
2754 goto int_case;
2755 case TARGET_SO_OOBINLINE:
2756 optname = SO_OOBINLINE;
2757 goto int_case;
2758 case TARGET_SO_NO_CHECK:
2759 optname = SO_NO_CHECK;
2760 goto int_case;
2761 case TARGET_SO_PRIORITY:
2762 optname = SO_PRIORITY;
2763 goto int_case;
2764#ifdef SO_BSDCOMPAT
2765 case TARGET_SO_BSDCOMPAT:
2766 optname = SO_BSDCOMPAT;
2767 goto int_case;
2768#endif
2769 case TARGET_SO_PASSCRED:
2770 optname = SO_PASSCRED;
2771 goto int_case;
2772 case TARGET_SO_TIMESTAMP:
2773 optname = SO_TIMESTAMP;
2774 goto int_case;
2775 case TARGET_SO_RCVLOWAT:
2776 optname = SO_RCVLOWAT;
2777 goto int_case;
2778 case TARGET_SO_ACCEPTCONN:
2779 optname = SO_ACCEPTCONN;
2780 goto int_case;
2781 case TARGET_SO_PROTOCOL:
2782 optname = SO_PROTOCOL;
2783 goto int_case;
2784 case TARGET_SO_DOMAIN:
2785 optname = SO_DOMAIN;
2786 goto int_case;
2787 default:
2788 goto int_case;
2789 }
2790 break;
2791 case SOL_TCP:
2792 case SOL_UDP:
2793
2794 int_case:
2795 if (get_user_u32(len, optlen))
2796 return -TARGET_EFAULT;
2797 if (len < 0)
2798 return -TARGET_EINVAL;
2799 lv = sizeof(lv);
2800 ret = get_errno(getsockopt(sockfd, level, optname, &val, &lv));
2801 if (ret < 0)
2802 return ret;
2803 if (optname == SO_TYPE) {
2804 val = host_to_target_sock_type(val);
2805 }
2806 if (len > lv)
2807 len = lv;
2808 if (len == 4) {
2809 if (put_user_u32(val, optval_addr))
2810 return -TARGET_EFAULT;
2811 } else {
2812 if (put_user_u8(val, optval_addr))
2813 return -TARGET_EFAULT;
2814 }
2815 if (put_user_u32(len, optlen))
2816 return -TARGET_EFAULT;
2817 break;
2818 case SOL_IP:
2819 switch(optname) {
2820 case IP_TOS:
2821 case IP_TTL:
2822 case IP_HDRINCL:
2823 case IP_ROUTER_ALERT:
2824 case IP_RECVOPTS:
2825 case IP_RETOPTS:
2826 case IP_PKTINFO:
2827 case IP_MTU_DISCOVER:
2828 case IP_RECVERR:
2829 case IP_RECVTOS:
2830#ifdef IP_FREEBIND
2831 case IP_FREEBIND:
2832#endif
2833 case IP_MULTICAST_TTL:
2834 case IP_MULTICAST_LOOP:
2835 if (get_user_u32(len, optlen))
2836 return -TARGET_EFAULT;
2837 if (len < 0)
2838 return -TARGET_EINVAL;
2839 lv = sizeof(lv);
2840 ret = get_errno(getsockopt(sockfd, level, optname, &val, &lv));
2841 if (ret < 0)
2842 return ret;
2843 if (len < sizeof(int) && len > 0 && val >= 0 && val < 255) {
2844 len = 1;
2845 if (put_user_u32(len, optlen)
2846 || put_user_u8(val, optval_addr))
2847 return -TARGET_EFAULT;
2848 } else {
2849 if (len > sizeof(int))
2850 len = sizeof(int);
2851 if (put_user_u32(len, optlen)
2852 || put_user_u32(val, optval_addr))
2853 return -TARGET_EFAULT;
2854 }
2855 break;
2856 default:
2857 ret = -TARGET_ENOPROTOOPT;
2858 break;
2859 }
2860 break;
2861 case SOL_IPV6:
2862 switch (optname) {
2863 case IPV6_MTU_DISCOVER:
2864 case IPV6_MTU:
2865 case IPV6_V6ONLY:
2866 case IPV6_RECVPKTINFO:
2867 case IPV6_UNICAST_HOPS:
2868 case IPV6_MULTICAST_HOPS:
2869 case IPV6_MULTICAST_LOOP:
2870 case IPV6_RECVERR:
2871 case IPV6_RECVHOPLIMIT:
2872 case IPV6_2292HOPLIMIT:
2873 case IPV6_CHECKSUM:
2874 case IPV6_ADDRFORM:
2875 case IPV6_2292PKTINFO:
2876 case IPV6_RECVTCLASS:
2877 case IPV6_RECVRTHDR:
2878 case IPV6_2292RTHDR:
2879 case IPV6_RECVHOPOPTS:
2880 case IPV6_2292HOPOPTS:
2881 case IPV6_RECVDSTOPTS:
2882 case IPV6_2292DSTOPTS:
2883 case IPV6_TCLASS:
2884 case IPV6_ADDR_PREFERENCES:
2885#ifdef IPV6_RECVPATHMTU
2886 case IPV6_RECVPATHMTU:
2887#endif
2888#ifdef IPV6_TRANSPARENT
2889 case IPV6_TRANSPARENT:
2890#endif
2891#ifdef IPV6_FREEBIND
2892 case IPV6_FREEBIND:
2893#endif
2894#ifdef IPV6_RECVORIGDSTADDR
2895 case IPV6_RECVORIGDSTADDR:
2896#endif
2897 if (get_user_u32(len, optlen))
2898 return -TARGET_EFAULT;
2899 if (len < 0)
2900 return -TARGET_EINVAL;
2901 lv = sizeof(lv);
2902 ret = get_errno(getsockopt(sockfd, level, optname, &val, &lv));
2903 if (ret < 0)
2904 return ret;
2905 if (len < sizeof(int) && len > 0 && val >= 0 && val < 255) {
2906 len = 1;
2907 if (put_user_u32(len, optlen)
2908 || put_user_u8(val, optval_addr))
2909 return -TARGET_EFAULT;
2910 } else {
2911 if (len > sizeof(int))
2912 len = sizeof(int);
2913 if (put_user_u32(len, optlen)
2914 || put_user_u32(val, optval_addr))
2915 return -TARGET_EFAULT;
2916 }
2917 break;
2918 default:
2919 ret = -TARGET_ENOPROTOOPT;
2920 break;
2921 }
2922 break;
2923#ifdef SOL_NETLINK
2924 case SOL_NETLINK:
2925 switch (optname) {
2926 case NETLINK_PKTINFO:
2927 case NETLINK_BROADCAST_ERROR:
2928 case NETLINK_NO_ENOBUFS:
2929#if LINUX_VERSION_CODE >= KERNEL_VERSION(4, 2, 0)
2930 case NETLINK_LISTEN_ALL_NSID:
2931 case NETLINK_CAP_ACK:
2932#endif
2933#if LINUX_VERSION_CODE >= KERNEL_VERSION(4, 12, 0)
2934 case NETLINK_EXT_ACK:
2935#endif
2936#if LINUX_VERSION_CODE >= KERNEL_VERSION(4, 20, 0)
2937 case NETLINK_GET_STRICT_CHK:
2938#endif
2939 if (get_user_u32(len, optlen)) {
2940 return -TARGET_EFAULT;
2941 }
2942 if (len != sizeof(val)) {
2943 return -TARGET_EINVAL;
2944 }
2945 lv = len;
2946 ret = get_errno(getsockopt(sockfd, level, optname, &val, &lv));
2947 if (ret < 0) {
2948 return ret;
2949 }
2950 if (put_user_u32(lv, optlen)
2951 || put_user_u32(val, optval_addr)) {
2952 return -TARGET_EFAULT;
2953 }
2954 break;
2955#if LINUX_VERSION_CODE >= KERNEL_VERSION(4, 2, 0)
2956 case NETLINK_LIST_MEMBERSHIPS:
2957 {
2958 uint32_t *results;
2959 int i;
2960 if (get_user_u32(len, optlen)) {
2961 return -TARGET_EFAULT;
2962 }
2963 if (len < 0) {
2964 return -TARGET_EINVAL;
2965 }
2966 results = lock_user(VERIFY_WRITE, optval_addr, len, 1);
2967 if (!results && len > 0) {
2968 return -TARGET_EFAULT;
2969 }
2970 lv = len;
2971 ret = get_errno(getsockopt(sockfd, level, optname, results, &lv));
2972 if (ret < 0) {
2973 unlock_user(results, optval_addr, 0);
2974 return ret;
2975 }
2976
2977 for (i = 0; i < (len / sizeof(uint32_t)); i++) {
2978 results[i] = tswap32(results[i]);
2979 }
2980 if (put_user_u32(lv, optlen)) {
2981 return -TARGET_EFAULT;
2982 }
2983 unlock_user(results, optval_addr, 0);
2984 break;
2985 }
2986#endif
2987 default:
2988 goto unimplemented;
2989 }
2990 break;
2991#endif
2992 default:
2993 unimplemented:
2994 qemu_log_mask(LOG_UNIMP,
2995 "getsockopt level=%d optname=%d not yet supported\n",
2996 level, optname);
2997 ret = -TARGET_EOPNOTSUPP;
2998 break;
2999 }
3000 return ret;
3001}
3002
3003
3004
3005
3006
3007static void target_to_host_low_high(abi_ulong tlow,
3008 abi_ulong thigh,
3009 unsigned long *hlow,
3010 unsigned long *hhigh)
3011{
3012 uint64_t off = tlow |
3013 ((unsigned long long)thigh << TARGET_LONG_BITS / 2) <<
3014 TARGET_LONG_BITS / 2;
3015
3016 *hlow = off;
3017 *hhigh = (off >> HOST_LONG_BITS / 2) >> HOST_LONG_BITS / 2;
3018}
3019
3020static struct iovec *lock_iovec(int type, abi_ulong target_addr,
3021 abi_ulong count, int copy)
3022{
3023 struct target_iovec *target_vec;
3024 struct iovec *vec;
3025 abi_ulong total_len, max_len;
3026 int i;
3027 int err = 0;
3028 bool bad_address = false;
3029
3030 if (count == 0) {
3031 errno = 0;
3032 return NULL;
3033 }
3034 if (count > IOV_MAX) {
3035 errno = EINVAL;
3036 return NULL;
3037 }
3038
3039 vec = g_try_new0(struct iovec, count);
3040 if (vec == NULL) {
3041 errno = ENOMEM;
3042 return NULL;
3043 }
3044
3045 target_vec = lock_user(VERIFY_READ, target_addr,
3046 count * sizeof(struct target_iovec), 1);
3047 if (target_vec == NULL) {
3048 err = EFAULT;
3049 goto fail2;
3050 }
3051
3052
3053
3054 max_len = 0x7fffffff & TARGET_PAGE_MASK;
3055 total_len = 0;
3056
3057 for (i = 0; i < count; i++) {
3058 abi_ulong base = tswapal(target_vec[i].iov_base);
3059 abi_long len = tswapal(target_vec[i].iov_len);
3060
3061 if (len < 0) {
3062 err = EINVAL;
3063 goto fail;
3064 } else if (len == 0) {
3065
3066 vec[i].iov_base = 0;
3067 } else {
3068 vec[i].iov_base = lock_user(type, base, len, copy);
3069
3070
3071
3072
3073 if (!vec[i].iov_base) {
3074 if (i == 0) {
3075 err = EFAULT;
3076 goto fail;
3077 } else {
3078 bad_address = true;
3079 }
3080 }
3081 if (bad_address) {
3082 len = 0;
3083 }
3084 if (len > max_len - total_len) {
3085 len = max_len - total_len;
3086 }
3087 }
3088 vec[i].iov_len = len;
3089 total_len += len;
3090 }
3091
3092 unlock_user(target_vec, target_addr, 0);
3093 return vec;
3094
3095 fail:
3096 while (--i >= 0) {
3097 if (tswapal(target_vec[i].iov_len) > 0) {
3098 unlock_user(vec[i].iov_base, tswapal(target_vec[i].iov_base), 0);
3099 }
3100 }
3101 unlock_user(target_vec, target_addr, 0);
3102 fail2:
3103 g_free(vec);
3104 errno = err;
3105 return NULL;
3106}
3107
3108static void unlock_iovec(struct iovec *vec, abi_ulong target_addr,
3109 abi_ulong count, int copy)
3110{
3111 struct target_iovec *target_vec;
3112 int i;
3113
3114 target_vec = lock_user(VERIFY_READ, target_addr,
3115 count * sizeof(struct target_iovec), 1);
3116 if (target_vec) {
3117 for (i = 0; i < count; i++) {
3118 abi_ulong base = tswapal(target_vec[i].iov_base);
3119 abi_long len = tswapal(target_vec[i].iov_len);
3120 if (len < 0) {
3121 break;
3122 }
3123 unlock_user(vec[i].iov_base, base, copy ? vec[i].iov_len : 0);
3124 }
3125 unlock_user(target_vec, target_addr, 0);
3126 }
3127
3128 g_free(vec);
3129}
3130
3131static inline int target_to_host_sock_type(int *type)
3132{
3133 int host_type = 0;
3134 int target_type = *type;
3135
3136 switch (target_type & TARGET_SOCK_TYPE_MASK) {
3137 case TARGET_SOCK_DGRAM:
3138 host_type = SOCK_DGRAM;
3139 break;
3140 case TARGET_SOCK_STREAM:
3141 host_type = SOCK_STREAM;
3142 break;
3143 default:
3144 host_type = target_type & TARGET_SOCK_TYPE_MASK;
3145 break;
3146 }
3147 if (target_type & TARGET_SOCK_CLOEXEC) {
3148#if defined(SOCK_CLOEXEC)
3149 host_type |= SOCK_CLOEXEC;
3150#else
3151 return -TARGET_EINVAL;
3152#endif
3153 }
3154 if (target_type & TARGET_SOCK_NONBLOCK) {
3155#if defined(SOCK_NONBLOCK)
3156 host_type |= SOCK_NONBLOCK;
3157#elif !defined(O_NONBLOCK)
3158 return -TARGET_EINVAL;
3159#endif
3160 }
3161 *type = host_type;
3162 return 0;
3163}
3164
3165
3166static int sock_flags_fixup(int fd, int target_type)
3167{
3168#if !defined(SOCK_NONBLOCK) && defined(O_NONBLOCK)
3169 if (target_type & TARGET_SOCK_NONBLOCK) {
3170 int flags = fcntl(fd, F_GETFL);
3171 if (fcntl(fd, F_SETFL, O_NONBLOCK | flags) == -1) {
3172 close(fd);
3173 return -TARGET_EINVAL;
3174 }
3175 }
3176#endif
3177 return fd;
3178}
3179
3180
3181static abi_long do_socket(int domain, int type, int protocol)
3182{
3183 int target_type = type;
3184 int ret;
3185
3186 ret = target_to_host_sock_type(&type);
3187 if (ret) {
3188 return ret;
3189 }
3190
3191 if (domain == PF_NETLINK && !(
3192#ifdef CONFIG_RTNETLINK
3193 protocol == NETLINK_ROUTE ||
3194#endif
3195 protocol == NETLINK_KOBJECT_UEVENT ||
3196 protocol == NETLINK_AUDIT)) {
3197 return -TARGET_EPROTONOSUPPORT;
3198 }
3199
3200 if (domain == AF_PACKET ||
3201 (domain == AF_INET && type == SOCK_PACKET)) {
3202 protocol = tswap16(protocol);
3203 }
3204
3205 ret = get_errno(socket(domain, type, protocol));
3206 if (ret >= 0) {
3207 ret = sock_flags_fixup(ret, target_type);
3208 if (type == SOCK_PACKET) {
3209
3210
3211
3212 fd_trans_register(ret, &target_packet_trans);
3213 } else if (domain == PF_NETLINK) {
3214 switch (protocol) {
3215#ifdef CONFIG_RTNETLINK
3216 case NETLINK_ROUTE:
3217 fd_trans_register(ret, &target_netlink_route_trans);
3218 break;
3219#endif
3220 case NETLINK_KOBJECT_UEVENT:
3221
3222 break;
3223 case NETLINK_AUDIT:
3224 fd_trans_register(ret, &target_netlink_audit_trans);
3225 break;
3226 default:
3227 g_assert_not_reached();
3228 }
3229 }
3230 }
3231 return ret;
3232}
3233
3234
3235static abi_long do_bind(int sockfd, abi_ulong target_addr,
3236 socklen_t addrlen)
3237{
3238 void *addr;
3239 abi_long ret;
3240
3241 if ((int)addrlen < 0) {
3242 return -TARGET_EINVAL;
3243 }
3244
3245 addr = alloca(addrlen+1);
3246
3247 ret = target_to_host_sockaddr(sockfd, addr, target_addr, addrlen);
3248 if (ret)
3249 return ret;
3250
3251 return get_errno(bind(sockfd, addr, addrlen));
3252}
3253
3254
3255static abi_long do_connect(int sockfd, abi_ulong target_addr,
3256 socklen_t addrlen)
3257{
3258 void *addr;
3259 abi_long ret;
3260
3261 if ((int)addrlen < 0) {
3262 return -TARGET_EINVAL;
3263 }
3264
3265 addr = alloca(addrlen+1);
3266
3267 ret = target_to_host_sockaddr(sockfd, addr, target_addr, addrlen);
3268 if (ret)
3269 return ret;
3270
3271 return get_errno(safe_connect(sockfd, addr, addrlen));
3272}
3273
3274
3275static abi_long do_sendrecvmsg_locked(int fd, struct target_msghdr *msgp,
3276 int flags, int send)
3277{
3278 abi_long ret, len;
3279 struct msghdr msg;
3280 abi_ulong count;
3281 struct iovec *vec;
3282 abi_ulong target_vec;
3283
3284 if (msgp->msg_name) {
3285 msg.msg_namelen = tswap32(msgp->msg_namelen);
3286 msg.msg_name = alloca(msg.msg_namelen+1);
3287 ret = target_to_host_sockaddr(fd, msg.msg_name,
3288 tswapal(msgp->msg_name),
3289 msg.msg_namelen);
3290 if (ret == -TARGET_EFAULT) {
3291
3292
3293
3294
3295
3296 msg.msg_name = (void *)-1;
3297 } else if (ret) {
3298 goto out2;
3299 }
3300 } else {
3301 msg.msg_name = NULL;
3302 msg.msg_namelen = 0;
3303 }
3304 msg.msg_controllen = 2 * tswapal(msgp->msg_controllen);
3305 msg.msg_control = alloca(msg.msg_controllen);
3306 memset(msg.msg_control, 0, msg.msg_controllen);
3307
3308 msg.msg_flags = tswap32(msgp->msg_flags);
3309
3310 count = tswapal(msgp->msg_iovlen);
3311 target_vec = tswapal(msgp->msg_iov);
3312
3313 if (count > IOV_MAX) {
3314
3315
3316
3317 ret = -TARGET_EMSGSIZE;
3318 goto out2;
3319 }
3320
3321 vec = lock_iovec(send ? VERIFY_READ : VERIFY_WRITE,
3322 target_vec, count, send);
3323 if (vec == NULL) {
3324 ret = -host_to_target_errno(errno);
3325 goto out2;
3326 }
3327 msg.msg_iovlen = count;
3328 msg.msg_iov = vec;
3329
3330 if (send) {
3331 if (fd_trans_target_to_host_data(fd)) {
3332 void *host_msg;
3333
3334 host_msg = g_malloc(msg.msg_iov->iov_len);
3335 memcpy(host_msg, msg.msg_iov->iov_base, msg.msg_iov->iov_len);
3336 ret = fd_trans_target_to_host_data(fd)(host_msg,
3337 msg.msg_iov->iov_len);
3338 if (ret >= 0) {
3339 msg.msg_iov->iov_base = host_msg;
3340 ret = get_errno(safe_sendmsg(fd, &msg, flags));
3341 }
3342 g_free(host_msg);
3343 } else {
3344 ret = target_to_host_cmsg(&msg, msgp);
3345 if (ret == 0) {
3346 ret = get_errno(safe_sendmsg(fd, &msg, flags));
3347 }
3348 }
3349 } else {
3350 ret = get_errno(safe_recvmsg(fd, &msg, flags));
3351 if (!is_error(ret)) {
3352 len = ret;
3353 if (fd_trans_host_to_target_data(fd)) {
3354 ret = fd_trans_host_to_target_data(fd)(msg.msg_iov->iov_base,
3355 MIN(msg.msg_iov->iov_len, len));
3356 }
3357 if (!is_error(ret)) {
3358 ret = host_to_target_cmsg(msgp, &msg);
3359 }
3360 if (!is_error(ret)) {
3361 msgp->msg_namelen = tswap32(msg.msg_namelen);
3362 msgp->msg_flags = tswap32(msg.msg_flags);
3363 if (msg.msg_name != NULL && msg.msg_name != (void *)-1) {
3364 ret = host_to_target_sockaddr(tswapal(msgp->msg_name),
3365 msg.msg_name, msg.msg_namelen);
3366 if (ret) {
3367 goto out;
3368 }
3369 }
3370
3371 ret = len;
3372 }
3373 }
3374 }
3375
3376out:
3377 unlock_iovec(vec, target_vec, count, !send);
3378out2:
3379 return ret;
3380}
3381
3382static abi_long do_sendrecvmsg(int fd, abi_ulong target_msg,
3383 int flags, int send)
3384{
3385 abi_long ret;
3386 struct target_msghdr *msgp;
3387
3388 if (!lock_user_struct(send ? VERIFY_READ : VERIFY_WRITE,
3389 msgp,
3390 target_msg,
3391 send ? 1 : 0)) {
3392 return -TARGET_EFAULT;
3393 }
3394 ret = do_sendrecvmsg_locked(fd, msgp, flags, send);
3395 unlock_user_struct(msgp, target_msg, send ? 0 : 1);
3396 return ret;
3397}
3398
3399
3400
3401
3402#ifndef MSG_WAITFORONE
3403#define MSG_WAITFORONE 0x10000
3404#endif
3405
3406static abi_long do_sendrecvmmsg(int fd, abi_ulong target_msgvec,
3407 unsigned int vlen, unsigned int flags,
3408 int send)
3409{
3410 struct target_mmsghdr *mmsgp;
3411 abi_long ret = 0;
3412 int i;
3413
3414 if (vlen > UIO_MAXIOV) {
3415 vlen = UIO_MAXIOV;
3416 }
3417
3418 mmsgp = lock_user(VERIFY_WRITE, target_msgvec, sizeof(*mmsgp) * vlen, 1);
3419 if (!mmsgp) {
3420 return -TARGET_EFAULT;
3421 }
3422
3423 for (i = 0; i < vlen; i++) {
3424 ret = do_sendrecvmsg_locked(fd, &mmsgp[i].msg_hdr, flags, send);
3425 if (is_error(ret)) {
3426 break;
3427 }
3428 mmsgp[i].msg_len = tswap32(ret);
3429
3430 if (flags & MSG_WAITFORONE) {
3431 flags |= MSG_DONTWAIT;
3432 }
3433 }
3434
3435 unlock_user(mmsgp, target_msgvec, sizeof(*mmsgp) * i);
3436
3437
3438
3439
3440 if (i) {
3441 return i;
3442 }
3443 return ret;
3444}
3445
3446
3447static abi_long do_accept4(int fd, abi_ulong target_addr,
3448 abi_ulong target_addrlen_addr, int flags)
3449{
3450 socklen_t addrlen, ret_addrlen;
3451 void *addr;
3452 abi_long ret;
3453 int host_flags;
3454
3455 host_flags = target_to_host_bitmask(flags, fcntl_flags_tbl);
3456
3457 if (target_addr == 0) {
3458 return get_errno(safe_accept4(fd, NULL, NULL, host_flags));
3459 }
3460
3461
3462 if (get_user_u32(addrlen, target_addrlen_addr))
3463 return -TARGET_EFAULT;
3464
3465 if ((int)addrlen < 0) {
3466 return -TARGET_EINVAL;
3467 }
3468
3469 if (!access_ok(thread_cpu, VERIFY_WRITE, target_addr, addrlen)) {
3470 return -TARGET_EFAULT;
3471 }
3472
3473 addr = alloca(addrlen);
3474
3475 ret_addrlen = addrlen;
3476 ret = get_errno(safe_accept4(fd, addr, &ret_addrlen, host_flags));
3477 if (!is_error(ret)) {
3478 host_to_target_sockaddr(target_addr, addr, MIN(addrlen, ret_addrlen));
3479 if (put_user_u32(ret_addrlen, target_addrlen_addr)) {
3480 ret = -TARGET_EFAULT;
3481 }
3482 }
3483 return ret;
3484}
3485
3486
3487static abi_long do_getpeername(int fd, abi_ulong target_addr,
3488 abi_ulong target_addrlen_addr)
3489{
3490 socklen_t addrlen, ret_addrlen;
3491 void *addr;
3492 abi_long ret;
3493
3494 if (get_user_u32(addrlen, target_addrlen_addr))
3495 return -TARGET_EFAULT;
3496
3497 if ((int)addrlen < 0) {
3498 return -TARGET_EINVAL;
3499 }
3500
3501 if (!access_ok(thread_cpu, VERIFY_WRITE, target_addr, addrlen)) {
3502 return -TARGET_EFAULT;
3503 }
3504
3505 addr = alloca(addrlen);
3506
3507 ret_addrlen = addrlen;
3508 ret = get_errno(getpeername(fd, addr, &ret_addrlen));
3509 if (!is_error(ret)) {
3510 host_to_target_sockaddr(target_addr, addr, MIN(addrlen, ret_addrlen));
3511 if (put_user_u32(ret_addrlen, target_addrlen_addr)) {
3512 ret = -TARGET_EFAULT;
3513 }
3514 }
3515 return ret;
3516}
3517
3518
3519static abi_long do_getsockname(int fd, abi_ulong target_addr,
3520 abi_ulong target_addrlen_addr)
3521{
3522 socklen_t addrlen, ret_addrlen;
3523 void *addr;
3524 abi_long ret;
3525
3526 if (get_user_u32(addrlen, target_addrlen_addr))
3527 return -TARGET_EFAULT;
3528
3529 if ((int)addrlen < 0) {
3530 return -TARGET_EINVAL;
3531 }
3532
3533 if (!access_ok(thread_cpu, VERIFY_WRITE, target_addr, addrlen)) {
3534 return -TARGET_EFAULT;
3535 }
3536
3537 addr = alloca(addrlen);
3538
3539 ret_addrlen = addrlen;
3540 ret = get_errno(getsockname(fd, addr, &ret_addrlen));
3541 if (!is_error(ret)) {
3542 host_to_target_sockaddr(target_addr, addr, MIN(addrlen, ret_addrlen));
3543 if (put_user_u32(ret_addrlen, target_addrlen_addr)) {
3544 ret = -TARGET_EFAULT;
3545 }
3546 }
3547 return ret;
3548}
3549
3550
3551static abi_long do_socketpair(int domain, int type, int protocol,
3552 abi_ulong target_tab_addr)
3553{
3554 int tab[2];
3555 abi_long ret;
3556
3557 target_to_host_sock_type(&type);
3558
3559 ret = get_errno(socketpair(domain, type, protocol, tab));
3560 if (!is_error(ret)) {
3561 if (put_user_s32(tab[0], target_tab_addr)
3562 || put_user_s32(tab[1], target_tab_addr + sizeof(tab[0])))
3563 ret = -TARGET_EFAULT;
3564 }
3565 return ret;
3566}
3567
3568
3569static abi_long do_sendto(int fd, abi_ulong msg, size_t len, int flags,
3570 abi_ulong target_addr, socklen_t addrlen)
3571{
3572 void *addr;
3573 void *host_msg;
3574 void *copy_msg = NULL;
3575 abi_long ret;
3576
3577 if ((int)addrlen < 0) {
3578 return -TARGET_EINVAL;
3579 }
3580
3581 host_msg = lock_user(VERIFY_READ, msg, len, 1);
3582 if (!host_msg)
3583 return -TARGET_EFAULT;
3584 if (fd_trans_target_to_host_data(fd)) {
3585 copy_msg = host_msg;
3586 host_msg = g_malloc(len);
3587 memcpy(host_msg, copy_msg, len);
3588 ret = fd_trans_target_to_host_data(fd)(host_msg, len);
3589 if (ret < 0) {
3590 goto fail;
3591 }
3592 }
3593 if (target_addr) {
3594 addr = alloca(addrlen+1);
3595 ret = target_to_host_sockaddr(fd, addr, target_addr, addrlen);
3596 if (ret) {
3597 goto fail;
3598 }
3599 ret = get_errno(safe_sendto(fd, host_msg, len, flags, addr, addrlen));
3600 } else {
3601 ret = get_errno(safe_sendto(fd, host_msg, len, flags, NULL, 0));
3602 }
3603fail:
3604 if (copy_msg) {
3605 g_free(host_msg);
3606 host_msg = copy_msg;
3607 }
3608 unlock_user(host_msg, msg, 0);
3609 return ret;
3610}
3611
3612
3613static abi_long do_recvfrom(int fd, abi_ulong msg, size_t len, int flags,
3614 abi_ulong target_addr,
3615 abi_ulong target_addrlen)
3616{
3617 socklen_t addrlen, ret_addrlen;
3618 void *addr;
3619 void *host_msg;
3620 abi_long ret;
3621
3622 if (!msg) {
3623 host_msg = NULL;
3624 } else {
3625 host_msg = lock_user(VERIFY_WRITE, msg, len, 0);
3626 if (!host_msg) {
3627 return -TARGET_EFAULT;
3628 }
3629 }
3630 if (target_addr) {
3631 if (get_user_u32(addrlen, target_addrlen)) {
3632 ret = -TARGET_EFAULT;
3633 goto fail;
3634 }
3635 if ((int)addrlen < 0) {
3636 ret = -TARGET_EINVAL;
3637 goto fail;
3638 }
3639 addr = alloca(addrlen);
3640 ret_addrlen = addrlen;
3641 ret = get_errno(safe_recvfrom(fd, host_msg, len, flags,
3642 addr, &ret_addrlen));
3643 } else {
3644 addr = NULL;
3645 addrlen = 0;
3646 ret = get_errno(safe_recvfrom(fd, host_msg, len, flags, NULL, 0));
3647 }
3648 if (!is_error(ret)) {
3649 if (fd_trans_host_to_target_data(fd)) {
3650 abi_long trans;
3651 trans = fd_trans_host_to_target_data(fd)(host_msg, MIN(ret, len));
3652 if (is_error(trans)) {
3653 ret = trans;
3654 goto fail;
3655 }
3656 }
3657 if (target_addr) {
3658 host_to_target_sockaddr(target_addr, addr,
3659 MIN(addrlen, ret_addrlen));
3660 if (put_user_u32(ret_addrlen, target_addrlen)) {
3661 ret = -TARGET_EFAULT;
3662 goto fail;
3663 }
3664 }
3665 unlock_user(host_msg, msg, len);
3666 } else {
3667fail:
3668 unlock_user(host_msg, msg, 0);
3669 }
3670 return ret;
3671}
3672
3673#ifdef TARGET_NR_socketcall
3674
3675static abi_long do_socketcall(int num, abi_ulong vptr)
3676{
3677 static const unsigned nargs[] = {
3678 [TARGET_SYS_SOCKET] = 3,
3679 [TARGET_SYS_BIND] = 3,
3680 [TARGET_SYS_CONNECT] = 3,
3681 [TARGET_SYS_LISTEN] = 2,
3682 [TARGET_SYS_ACCEPT] = 3,
3683 [TARGET_SYS_GETSOCKNAME] = 3,
3684 [TARGET_SYS_GETPEERNAME] = 3,
3685 [TARGET_SYS_SOCKETPAIR] = 4,
3686 [TARGET_SYS_SEND] = 4,
3687 [TARGET_SYS_RECV] = 4,
3688 [TARGET_SYS_SENDTO] = 6,
3689 [TARGET_SYS_RECVFROM] = 6,
3690 [TARGET_SYS_SHUTDOWN] = 2,
3691 [TARGET_SYS_SETSOCKOPT] = 5,
3692 [TARGET_SYS_GETSOCKOPT] = 5,
3693 [TARGET_SYS_SENDMSG] = 3,
3694 [TARGET_SYS_RECVMSG] = 3,
3695 [TARGET_SYS_ACCEPT4] = 4,
3696 [TARGET_SYS_RECVMMSG] = 4,
3697 [TARGET_SYS_SENDMMSG] = 4,
3698 };
3699 abi_long a[6];
3700 unsigned i;
3701
3702
3703
3704 if (num < 1 || num > TARGET_SYS_SENDMMSG) {
3705 return -TARGET_EINVAL;
3706 }
3707
3708 if (nargs[num] > ARRAY_SIZE(a)) {
3709 return -TARGET_EINVAL;
3710 }
3711
3712 for (i = 0; i < nargs[num]; ++i) {
3713 if (get_user_ual(a[i], vptr + i * sizeof(abi_long)) != 0) {
3714 return -TARGET_EFAULT;
3715 }
3716 }
3717
3718 switch (num) {
3719 case TARGET_SYS_SOCKET:
3720 return do_socket(a[0], a[1], a[2]);
3721 case TARGET_SYS_BIND:
3722 return do_bind(a[0], a[1], a[2]);
3723 case TARGET_SYS_CONNECT:
3724 return do_connect(a[0], a[1], a[2]);
3725 case TARGET_SYS_LISTEN:
3726 return get_errno(listen(a[0], a[1]));
3727 case TARGET_SYS_ACCEPT:
3728 return do_accept4(a[0], a[1], a[2], 0);
3729 case TARGET_SYS_GETSOCKNAME:
3730 return do_getsockname(a[0], a[1], a[2]);
3731 case TARGET_SYS_GETPEERNAME:
3732 return do_getpeername(a[0], a[1], a[2]);
3733 case TARGET_SYS_SOCKETPAIR:
3734 return do_socketpair(a[0], a[1], a[2], a[3]);
3735 case TARGET_SYS_SEND:
3736 return do_sendto(a[0], a[1], a[2], a[3], 0, 0);
3737 case TARGET_SYS_RECV:
3738 return do_recvfrom(a[0], a[1], a[2], a[3], 0, 0);
3739 case TARGET_SYS_SENDTO:
3740 return do_sendto(a[0], a[1], a[2], a[3], a[4], a[5]);
3741 case TARGET_SYS_RECVFROM:
3742 return do_recvfrom(a[0], a[1], a[2], a[3], a[4], a[5]);
3743 case TARGET_SYS_SHUTDOWN:
3744 return get_errno(shutdown(a[0], a[1]));
3745 case TARGET_SYS_SETSOCKOPT:
3746 return do_setsockopt(a[0], a[1], a[2], a[3], a[4]);
3747 case TARGET_SYS_GETSOCKOPT:
3748 return do_getsockopt(a[0], a[1], a[2], a[3], a[4]);
3749 case TARGET_SYS_SENDMSG:
3750 return do_sendrecvmsg(a[0], a[1], a[2], 1);
3751 case TARGET_SYS_RECVMSG:
3752 return do_sendrecvmsg(a[0], a[1], a[2], 0);
3753 case TARGET_SYS_ACCEPT4:
3754 return do_accept4(a[0], a[1], a[2], a[3]);
3755 case TARGET_SYS_RECVMMSG:
3756 return do_sendrecvmmsg(a[0], a[1], a[2], a[3], 0);
3757 case TARGET_SYS_SENDMMSG:
3758 return do_sendrecvmmsg(a[0], a[1], a[2], a[3], 1);
3759 default:
3760 qemu_log_mask(LOG_UNIMP, "Unsupported socketcall: %d\n", num);
3761 return -TARGET_EINVAL;
3762 }
3763}
3764#endif
3765
3766#define N_SHM_REGIONS 32
3767
3768static struct shm_region {
3769 abi_ulong start;
3770 abi_ulong size;
3771 bool in_use;
3772} shm_regions[N_SHM_REGIONS];
3773
3774#ifndef TARGET_SEMID64_DS
3775
3776struct target_semid64_ds
3777{
3778 struct target_ipc_perm sem_perm;
3779 abi_ulong sem_otime;
3780#if TARGET_ABI_BITS == 32
3781 abi_ulong __unused1;
3782#endif
3783 abi_ulong sem_ctime;
3784#if TARGET_ABI_BITS == 32
3785 abi_ulong __unused2;
3786#endif
3787 abi_ulong sem_nsems;
3788 abi_ulong __unused3;
3789 abi_ulong __unused4;
3790};
3791#endif
3792
3793static inline abi_long target_to_host_ipc_perm(struct ipc_perm *host_ip,
3794 abi_ulong target_addr)
3795{
3796 struct target_ipc_perm *target_ip;
3797 struct target_semid64_ds *target_sd;
3798
3799 if (!lock_user_struct(VERIFY_READ, target_sd, target_addr, 1))
3800 return -TARGET_EFAULT;
3801 target_ip = &(target_sd->sem_perm);
3802 host_ip->__key = tswap32(target_ip->__key);
3803 host_ip->uid = tswap32(target_ip->uid);
3804 host_ip->gid = tswap32(target_ip->gid);
3805 host_ip->cuid = tswap32(target_ip->cuid);
3806 host_ip->cgid = tswap32(target_ip->cgid);
3807#if defined(TARGET_ALPHA) || defined(TARGET_MIPS) || defined(TARGET_PPC)
3808 host_ip->mode = tswap32(target_ip->mode);
3809#else
3810 host_ip->mode = tswap16(target_ip->mode);
3811#endif
3812#if defined(TARGET_PPC)
3813 host_ip->__seq = tswap32(target_ip->__seq);
3814#else
3815 host_ip->__seq = tswap16(target_ip->__seq);
3816#endif
3817 unlock_user_struct(target_sd, target_addr, 0);
3818 return 0;
3819}
3820
3821static inline abi_long host_to_target_ipc_perm(abi_ulong target_addr,
3822 struct ipc_perm *host_ip)
3823{
3824 struct target_ipc_perm *target_ip;
3825 struct target_semid64_ds *target_sd;
3826
3827 if (!lock_user_struct(VERIFY_WRITE, target_sd, target_addr, 0))
3828 return -TARGET_EFAULT;
3829 target_ip = &(target_sd->sem_perm);
3830 target_ip->__key = tswap32(host_ip->__key);
3831 target_ip->uid = tswap32(host_ip->uid);
3832 target_ip->gid = tswap32(host_ip->gid);
3833 target_ip->cuid = tswap32(host_ip->cuid);
3834 target_ip->cgid = tswap32(host_ip->cgid);
3835#if defined(TARGET_ALPHA) || defined(TARGET_MIPS) || defined(TARGET_PPC)
3836 target_ip->mode = tswap32(host_ip->mode);
3837#else
3838 target_ip->mode = tswap16(host_ip->mode);
3839#endif
3840#if defined(TARGET_PPC)
3841 target_ip->__seq = tswap32(host_ip->__seq);
3842#else
3843 target_ip->__seq = tswap16(host_ip->__seq);
3844#endif
3845 unlock_user_struct(target_sd, target_addr, 1);
3846 return 0;
3847}
3848
3849static inline abi_long target_to_host_semid_ds(struct semid_ds *host_sd,
3850 abi_ulong target_addr)
3851{
3852 struct target_semid64_ds *target_sd;
3853
3854 if (!lock_user_struct(VERIFY_READ, target_sd, target_addr, 1))
3855 return -TARGET_EFAULT;
3856 if (target_to_host_ipc_perm(&(host_sd->sem_perm),target_addr))
3857 return -TARGET_EFAULT;
3858 host_sd->sem_nsems = tswapal(target_sd->sem_nsems);
3859 host_sd->sem_otime = tswapal(target_sd->sem_otime);
3860 host_sd->sem_ctime = tswapal(target_sd->sem_ctime);
3861 unlock_user_struct(target_sd, target_addr, 0);
3862 return 0;
3863}
3864
3865static inline abi_long host_to_target_semid_ds(abi_ulong target_addr,
3866 struct semid_ds *host_sd)
3867{
3868 struct target_semid64_ds *target_sd;
3869
3870 if (!lock_user_struct(VERIFY_WRITE, target_sd, target_addr, 0))
3871 return -TARGET_EFAULT;
3872 if (host_to_target_ipc_perm(target_addr,&(host_sd->sem_perm)))
3873 return -TARGET_EFAULT;
3874 target_sd->sem_nsems = tswapal(host_sd->sem_nsems);
3875 target_sd->sem_otime = tswapal(host_sd->sem_otime);
3876 target_sd->sem_ctime = tswapal(host_sd->sem_ctime);
3877 unlock_user_struct(target_sd, target_addr, 1);
3878 return 0;
3879}
3880
3881struct target_seminfo {
3882 int semmap;
3883 int semmni;
3884 int semmns;
3885 int semmnu;
3886 int semmsl;
3887 int semopm;
3888 int semume;
3889 int semusz;
3890 int semvmx;
3891 int semaem;
3892};
3893
3894static inline abi_long host_to_target_seminfo(abi_ulong target_addr,
3895 struct seminfo *host_seminfo)
3896{
3897 struct target_seminfo *target_seminfo;
3898 if (!lock_user_struct(VERIFY_WRITE, target_seminfo, target_addr, 0))
3899 return -TARGET_EFAULT;
3900 __put_user(host_seminfo->semmap, &target_seminfo->semmap);
3901 __put_user(host_seminfo->semmni, &target_seminfo->semmni);
3902 __put_user(host_seminfo->semmns, &target_seminfo->semmns);
3903 __put_user(host_seminfo->semmnu, &target_seminfo->semmnu);
3904 __put_user(host_seminfo->semmsl, &target_seminfo->semmsl);
3905 __put_user(host_seminfo->semopm, &target_seminfo->semopm);
3906 __put_user(host_seminfo->semume, &target_seminfo->semume);
3907 __put_user(host_seminfo->semusz, &target_seminfo->semusz);
3908 __put_user(host_seminfo->semvmx, &target_seminfo->semvmx);
3909 __put_user(host_seminfo->semaem, &target_seminfo->semaem);
3910 unlock_user_struct(target_seminfo, target_addr, 1);
3911 return 0;
3912}
3913
3914union semun {
3915 int val;
3916 struct semid_ds *buf;
3917 unsigned short *array;
3918 struct seminfo *__buf;
3919};
3920
3921union target_semun {
3922 int val;
3923 abi_ulong buf;
3924 abi_ulong array;
3925 abi_ulong __buf;
3926};
3927
3928static inline abi_long target_to_host_semarray(int semid, unsigned short **host_array,
3929 abi_ulong target_addr)
3930{
3931 int nsems;
3932 unsigned short *array;
3933 union semun semun;
3934 struct semid_ds semid_ds;
3935 int i, ret;
3936
3937 semun.buf = &semid_ds;
3938
3939 ret = semctl(semid, 0, IPC_STAT, semun);
3940 if (ret == -1)
3941 return get_errno(ret);
3942
3943 nsems = semid_ds.sem_nsems;
3944
3945 *host_array = g_try_new(unsigned short, nsems);
3946 if (!*host_array) {
3947 return -TARGET_ENOMEM;
3948 }
3949 array = lock_user(VERIFY_READ, target_addr,
3950 nsems*sizeof(unsigned short), 1);
3951 if (!array) {
3952 g_free(*host_array);
3953 return -TARGET_EFAULT;
3954 }
3955
3956 for(i=0; i<nsems; i++) {
3957 __get_user((*host_array)[i], &array[i]);
3958 }
3959 unlock_user(array, target_addr, 0);
3960
3961 return 0;
3962}
3963
3964static inline abi_long host_to_target_semarray(int semid, abi_ulong target_addr,
3965 unsigned short **host_array)
3966{
3967 int nsems;
3968 unsigned short *array;
3969 union semun semun;
3970 struct semid_ds semid_ds;
3971 int i, ret;
3972
3973 semun.buf = &semid_ds;
3974
3975 ret = semctl(semid, 0, IPC_STAT, semun);
3976 if (ret == -1)
3977 return get_errno(ret);
3978
3979 nsems = semid_ds.sem_nsems;
3980
3981 array = lock_user(VERIFY_WRITE, target_addr,
3982 nsems*sizeof(unsigned short), 0);
3983 if (!array)
3984 return -TARGET_EFAULT;
3985
3986 for(i=0; i<nsems; i++) {
3987 __put_user((*host_array)[i], &array[i]);
3988 }
3989 g_free(*host_array);
3990 unlock_user(array, target_addr, 1);
3991
3992 return 0;
3993}
3994
3995static inline abi_long do_semctl(int semid, int semnum, int cmd,
3996 abi_ulong target_arg)
3997{
3998 union target_semun target_su = { .buf = target_arg };
3999 union semun arg;
4000 struct semid_ds dsarg;
4001 unsigned short *array = NULL;
4002 struct seminfo seminfo;
4003 abi_long ret = -TARGET_EINVAL;
4004 abi_long err;
4005 cmd &= 0xff;
4006
4007 switch( cmd ) {
4008 case GETVAL:
4009 case SETVAL:
4010
4011
4012
4013
4014
4015 if (sizeof(target_su.val) != (sizeof(target_su.buf))) {
4016 target_su.buf = tswapal(target_su.buf);
4017 arg.val = tswap32(target_su.val);
4018 } else {
4019 arg.val = target_su.val;
4020 }
4021 ret = get_errno(semctl(semid, semnum, cmd, arg));
4022 break;
4023 case GETALL:
4024 case SETALL:
4025 err = target_to_host_semarray(semid, &array, target_su.array);
4026 if (err)
4027 return err;
4028 arg.array = array;
4029 ret = get_errno(semctl(semid, semnum, cmd, arg));
4030 err = host_to_target_semarray(semid, target_su.array, &array);
4031 if (err)
4032 return err;
4033 break;
4034 case IPC_STAT:
4035 case IPC_SET:
4036 case SEM_STAT:
4037 err = target_to_host_semid_ds(&dsarg, target_su.buf);
4038 if (err)
4039 return err;
4040 arg.buf = &dsarg;
4041 ret = get_errno(semctl(semid, semnum, cmd, arg));
4042 err = host_to_target_semid_ds(target_su.buf, &dsarg);
4043 if (err)
4044 return err;
4045 break;
4046 case IPC_INFO:
4047 case SEM_INFO:
4048 arg.__buf = &seminfo;
4049 ret = get_errno(semctl(semid, semnum, cmd, arg));
4050 err = host_to_target_seminfo(target_su.__buf, &seminfo);
4051 if (err)
4052 return err;
4053 break;
4054 case IPC_RMID:
4055 case GETPID:
4056 case GETNCNT:
4057 case GETZCNT:
4058 ret = get_errno(semctl(semid, semnum, cmd, NULL));
4059 break;
4060 }
4061
4062 return ret;
4063}
4064
4065struct target_sembuf {
4066 unsigned short sem_num;
4067 short sem_op;
4068 short sem_flg;
4069};
4070
4071static inline abi_long target_to_host_sembuf(struct sembuf *host_sembuf,
4072 abi_ulong target_addr,
4073 unsigned nsops)
4074{
4075 struct target_sembuf *target_sembuf;
4076 int i;
4077
4078 target_sembuf = lock_user(VERIFY_READ, target_addr,
4079 nsops*sizeof(struct target_sembuf), 1);
4080 if (!target_sembuf)
4081 return -TARGET_EFAULT;
4082
4083 for(i=0; i<nsops; i++) {
4084 __get_user(host_sembuf[i].sem_num, &target_sembuf[i].sem_num);
4085 __get_user(host_sembuf[i].sem_op, &target_sembuf[i].sem_op);
4086 __get_user(host_sembuf[i].sem_flg, &target_sembuf[i].sem_flg);
4087 }
4088
4089 unlock_user(target_sembuf, target_addr, 0);
4090
4091 return 0;
4092}
4093
4094#if defined(TARGET_NR_ipc) || defined(TARGET_NR_semop) || \
4095 defined(TARGET_NR_semtimedop) || defined(TARGET_NR_semtimedop_time64)
4096
4097
4098
4099
4100
4101#ifdef __s390x__
4102#define SEMTIMEDOP_IPC_ARGS(__nsops, __sops, __timeout) \
4103 (__nsops), (__timeout), (__sops)
4104#else
4105#define SEMTIMEDOP_IPC_ARGS(__nsops, __sops, __timeout) \
4106 (__nsops), 0, (__sops), (__timeout)
4107#endif
4108
4109static inline abi_long do_semtimedop(int semid,
4110 abi_long ptr,
4111 unsigned nsops,
4112 abi_long timeout, bool time64)
4113{
4114 struct sembuf *sops;
4115 struct timespec ts, *pts = NULL;
4116 abi_long ret;
4117
4118 if (timeout) {
4119 pts = &ts;
4120 if (time64) {
4121 if (target_to_host_timespec64(pts, timeout)) {
4122 return -TARGET_EFAULT;
4123 }
4124 } else {
4125 if (target_to_host_timespec(pts, timeout)) {
4126 return -TARGET_EFAULT;
4127 }
4128 }
4129 }
4130
4131 if (nsops > TARGET_SEMOPM) {
4132 return -TARGET_E2BIG;
4133 }
4134
4135 sops = g_new(struct sembuf, nsops);
4136
4137 if (target_to_host_sembuf(sops, ptr, nsops)) {
4138 g_free(sops);
4139 return -TARGET_EFAULT;
4140 }
4141
4142 ret = -TARGET_ENOSYS;
4143#ifdef __NR_semtimedop
4144 ret = get_errno(safe_semtimedop(semid, sops, nsops, pts));
4145#endif
4146#ifdef __NR_ipc
4147 if (ret == -TARGET_ENOSYS) {
4148 ret = get_errno(safe_ipc(IPCOP_semtimedop, semid,
4149 SEMTIMEDOP_IPC_ARGS(nsops, sops, (long)pts)));
4150 }
4151#endif
4152 g_free(sops);
4153 return ret;
4154}
4155#endif
4156
4157struct target_msqid_ds
4158{
4159 struct target_ipc_perm msg_perm;
4160 abi_ulong msg_stime;
4161#if TARGET_ABI_BITS == 32
4162 abi_ulong __unused1;
4163#endif
4164 abi_ulong msg_rtime;
4165#if TARGET_ABI_BITS == 32
4166 abi_ulong __unused2;
4167#endif
4168 abi_ulong msg_ctime;
4169#if TARGET_ABI_BITS == 32
4170 abi_ulong __unused3;
4171#endif
4172 abi_ulong __msg_cbytes;
4173 abi_ulong msg_qnum;
4174 abi_ulong msg_qbytes;
4175 abi_ulong msg_lspid;
4176 abi_ulong msg_lrpid;
4177 abi_ulong __unused4;
4178 abi_ulong __unused5;
4179};
4180
4181static inline abi_long target_to_host_msqid_ds(struct msqid_ds *host_md,
4182 abi_ulong target_addr)
4183{
4184 struct target_msqid_ds *target_md;
4185
4186 if (!lock_user_struct(VERIFY_READ, target_md, target_addr, 1))
4187 return -TARGET_EFAULT;
4188 if (target_to_host_ipc_perm(&(host_md->msg_perm),target_addr))
4189 return -TARGET_EFAULT;
4190 host_md->msg_stime = tswapal(target_md->msg_stime);
4191 host_md->msg_rtime = tswapal(target_md->msg_rtime);
4192 host_md->msg_ctime = tswapal(target_md->msg_ctime);
4193 host_md->__msg_cbytes = tswapal(target_md->__msg_cbytes);
4194 host_md->msg_qnum = tswapal(target_md->msg_qnum);
4195 host_md->msg_qbytes = tswapal(target_md->msg_qbytes);
4196 host_md->msg_lspid = tswapal(target_md->msg_lspid);
4197 host_md->msg_lrpid = tswapal(target_md->msg_lrpid);
4198 unlock_user_struct(target_md, target_addr, 0);
4199 return 0;
4200}
4201
4202static inline abi_long host_to_target_msqid_ds(abi_ulong target_addr,
4203 struct msqid_ds *host_md)
4204{
4205 struct target_msqid_ds *target_md;
4206
4207 if (!lock_user_struct(VERIFY_WRITE, target_md, target_addr, 0))
4208 return -TARGET_EFAULT;
4209 if (host_to_target_ipc_perm(target_addr,&(host_md->msg_perm)))
4210 return -TARGET_EFAULT;
4211 target_md->msg_stime = tswapal(host_md->msg_stime);
4212 target_md->msg_rtime = tswapal(host_md->msg_rtime);
4213 target_md->msg_ctime = tswapal(host_md->msg_ctime);
4214 target_md->__msg_cbytes = tswapal(host_md->__msg_cbytes);
4215 target_md->msg_qnum = tswapal(host_md->msg_qnum);
4216 target_md->msg_qbytes = tswapal(host_md->msg_qbytes);
4217 target_md->msg_lspid = tswapal(host_md->msg_lspid);
4218 target_md->msg_lrpid = tswapal(host_md->msg_lrpid);
4219 unlock_user_struct(target_md, target_addr, 1);
4220 return 0;
4221}
4222
4223struct target_msginfo {
4224 int msgpool;
4225 int msgmap;
4226 int msgmax;
4227 int msgmnb;
4228 int msgmni;
4229 int msgssz;
4230 int msgtql;
4231 unsigned short int msgseg;
4232};
4233
4234static inline abi_long host_to_target_msginfo(abi_ulong target_addr,
4235 struct msginfo *host_msginfo)
4236{
4237 struct target_msginfo *target_msginfo;
4238 if (!lock_user_struct(VERIFY_WRITE, target_msginfo, target_addr, 0))
4239 return -TARGET_EFAULT;
4240 __put_user(host_msginfo->msgpool, &target_msginfo->msgpool);
4241 __put_user(host_msginfo->msgmap, &target_msginfo->msgmap);
4242 __put_user(host_msginfo->msgmax, &target_msginfo->msgmax);
4243 __put_user(host_msginfo->msgmnb, &target_msginfo->msgmnb);
4244 __put_user(host_msginfo->msgmni, &target_msginfo->msgmni);
4245 __put_user(host_msginfo->msgssz, &target_msginfo->msgssz);
4246 __put_user(host_msginfo->msgtql, &target_msginfo->msgtql);
4247 __put_user(host_msginfo->msgseg, &target_msginfo->msgseg);
4248 unlock_user_struct(target_msginfo, target_addr, 1);
4249 return 0;
4250}
4251
4252static inline abi_long do_msgctl(int msgid, int cmd, abi_long ptr)
4253{
4254 struct msqid_ds dsarg;
4255 struct msginfo msginfo;
4256 abi_long ret = -TARGET_EINVAL;
4257
4258 cmd &= 0xff;
4259
4260 switch (cmd) {
4261 case IPC_STAT:
4262 case IPC_SET:
4263 case MSG_STAT:
4264 if (target_to_host_msqid_ds(&dsarg,ptr))
4265 return -TARGET_EFAULT;
4266 ret = get_errno(msgctl(msgid, cmd, &dsarg));
4267 if (host_to_target_msqid_ds(ptr,&dsarg))
4268 return -TARGET_EFAULT;
4269 break;
4270 case IPC_RMID:
4271 ret = get_errno(msgctl(msgid, cmd, NULL));
4272 break;
4273 case IPC_INFO:
4274 case MSG_INFO:
4275 ret = get_errno(msgctl(msgid, cmd, (struct msqid_ds *)&msginfo));
4276 if (host_to_target_msginfo(ptr, &msginfo))
4277 return -TARGET_EFAULT;
4278 break;
4279 }
4280
4281 return ret;
4282}
4283
4284struct target_msgbuf {
4285 abi_long mtype;
4286 char mtext[1];
4287};
4288
4289static inline abi_long do_msgsnd(int msqid, abi_long msgp,
4290 ssize_t msgsz, int msgflg)
4291{
4292 struct target_msgbuf *target_mb;
4293 struct msgbuf *host_mb;
4294 abi_long ret = 0;
4295
4296 if (msgsz < 0) {
4297 return -TARGET_EINVAL;
4298 }
4299
4300 if (!lock_user_struct(VERIFY_READ, target_mb, msgp, 0))
4301 return -TARGET_EFAULT;
4302 host_mb = g_try_malloc(msgsz + sizeof(long));
4303 if (!host_mb) {
4304 unlock_user_struct(target_mb, msgp, 0);
4305 return -TARGET_ENOMEM;
4306 }
4307 host_mb->mtype = (abi_long) tswapal(target_mb->mtype);
4308 memcpy(host_mb->mtext, target_mb->mtext, msgsz);
4309 ret = -TARGET_ENOSYS;
4310#ifdef __NR_msgsnd
4311 ret = get_errno(safe_msgsnd(msqid, host_mb, msgsz, msgflg));
4312#endif
4313#ifdef __NR_ipc
4314 if (ret == -TARGET_ENOSYS) {
4315#ifdef __s390x__
4316 ret = get_errno(safe_ipc(IPCOP_msgsnd, msqid, msgsz, msgflg,
4317 host_mb));
4318#else
4319 ret = get_errno(safe_ipc(IPCOP_msgsnd, msqid, msgsz, msgflg,
4320 host_mb, 0));
4321#endif
4322 }
4323#endif
4324 g_free(host_mb);
4325 unlock_user_struct(target_mb, msgp, 0);
4326
4327 return ret;
4328}
4329
4330#ifdef __NR_ipc
4331#if defined(__sparc__)
4332
4333#define MSGRCV_ARGS(__msgp, __msgtyp) __msgp, __msgtyp
4334#elif defined(__s390x__)
4335
4336#define MSGRCV_ARGS(__msgp, __msgtyp) \
4337 ((long int[]){(long int)__msgp, __msgtyp})
4338#else
4339#define MSGRCV_ARGS(__msgp, __msgtyp) \
4340 ((long int[]){(long int)__msgp, __msgtyp}), 0
4341#endif
4342#endif
4343
4344static inline abi_long do_msgrcv(int msqid, abi_long msgp,
4345 ssize_t msgsz, abi_long msgtyp,
4346 int msgflg)
4347{
4348 struct target_msgbuf *target_mb;
4349 char *target_mtext;
4350 struct msgbuf *host_mb;
4351 abi_long ret = 0;
4352
4353 if (msgsz < 0) {
4354 return -TARGET_EINVAL;
4355 }
4356
4357 if (!lock_user_struct(VERIFY_WRITE, target_mb, msgp, 0))
4358 return -TARGET_EFAULT;
4359
4360 host_mb = g_try_malloc(msgsz + sizeof(long));
4361 if (!host_mb) {
4362 ret = -TARGET_ENOMEM;
4363 goto end;
4364 }
4365 ret = -TARGET_ENOSYS;
4366#ifdef __NR_msgrcv
4367 ret = get_errno(safe_msgrcv(msqid, host_mb, msgsz, msgtyp, msgflg));
4368#endif
4369#ifdef __NR_ipc
4370 if (ret == -TARGET_ENOSYS) {
4371 ret = get_errno(safe_ipc(IPCOP_CALL(1, IPCOP_msgrcv), msqid, msgsz,
4372 msgflg, MSGRCV_ARGS(host_mb, msgtyp)));
4373 }
4374#endif
4375
4376 if (ret > 0) {
4377 abi_ulong target_mtext_addr = msgp + sizeof(abi_ulong);
4378 target_mtext = lock_user(VERIFY_WRITE, target_mtext_addr, ret, 0);
4379 if (!target_mtext) {
4380 ret = -TARGET_EFAULT;
4381 goto end;
4382 }
4383 memcpy(target_mb->mtext, host_mb->mtext, ret);
4384 unlock_user(target_mtext, target_mtext_addr, ret);
4385 }
4386
4387 target_mb->mtype = tswapal(host_mb->mtype);
4388
4389end:
4390 if (target_mb)
4391 unlock_user_struct(target_mb, msgp, 1);
4392 g_free(host_mb);
4393 return ret;
4394}
4395
4396static inline abi_long target_to_host_shmid_ds(struct shmid_ds *host_sd,
4397 abi_ulong target_addr)
4398{
4399 struct target_shmid_ds *target_sd;
4400
4401 if (!lock_user_struct(VERIFY_READ, target_sd, target_addr, 1))
4402 return -TARGET_EFAULT;
4403 if (target_to_host_ipc_perm(&(host_sd->shm_perm), target_addr))
4404 return -TARGET_EFAULT;
4405 __get_user(host_sd->shm_segsz, &target_sd->shm_segsz);
4406 __get_user(host_sd->shm_atime, &target_sd->shm_atime);
4407 __get_user(host_sd->shm_dtime, &target_sd->shm_dtime);
4408 __get_user(host_sd->shm_ctime, &target_sd->shm_ctime);
4409 __get_user(host_sd->shm_cpid, &target_sd->shm_cpid);
4410 __get_user(host_sd->shm_lpid, &target_sd->shm_lpid);
4411 __get_user(host_sd->shm_nattch, &target_sd->shm_nattch);
4412 unlock_user_struct(target_sd, target_addr, 0);
4413 return 0;
4414}
4415
4416static inline abi_long host_to_target_shmid_ds(abi_ulong target_addr,
4417 struct shmid_ds *host_sd)
4418{
4419 struct target_shmid_ds *target_sd;
4420
4421 if (!lock_user_struct(VERIFY_WRITE, target_sd, target_addr, 0))
4422 return -TARGET_EFAULT;
4423 if (host_to_target_ipc_perm(target_addr, &(host_sd->shm_perm)))
4424 return -TARGET_EFAULT;
4425 __put_user(host_sd->shm_segsz, &target_sd->shm_segsz);
4426 __put_user(host_sd->shm_atime, &target_sd->shm_atime);
4427 __put_user(host_sd->shm_dtime, &target_sd->shm_dtime);
4428 __put_user(host_sd->shm_ctime, &target_sd->shm_ctime);
4429 __put_user(host_sd->shm_cpid, &target_sd->shm_cpid);
4430 __put_user(host_sd->shm_lpid, &target_sd->shm_lpid);
4431 __put_user(host_sd->shm_nattch, &target_sd->shm_nattch);
4432 unlock_user_struct(target_sd, target_addr, 1);
4433 return 0;
4434}
4435
4436struct target_shminfo {
4437 abi_ulong shmmax;
4438 abi_ulong shmmin;
4439 abi_ulong shmmni;
4440 abi_ulong shmseg;
4441 abi_ulong shmall;
4442};
4443
4444static inline abi_long host_to_target_shminfo(abi_ulong target_addr,
4445 struct shminfo *host_shminfo)
4446{
4447 struct target_shminfo *target_shminfo;
4448 if (!lock_user_struct(VERIFY_WRITE, target_shminfo, target_addr, 0))
4449 return -TARGET_EFAULT;
4450 __put_user(host_shminfo->shmmax, &target_shminfo->shmmax);
4451 __put_user(host_shminfo->shmmin, &target_shminfo->shmmin);
4452 __put_user(host_shminfo->shmmni, &target_shminfo->shmmni);
4453 __put_user(host_shminfo->shmseg, &target_shminfo->shmseg);
4454 __put_user(host_shminfo->shmall, &target_shminfo->shmall);
4455 unlock_user_struct(target_shminfo, target_addr, 1);
4456 return 0;
4457}
4458
4459struct target_shm_info {
4460 int used_ids;
4461 abi_ulong shm_tot;
4462 abi_ulong shm_rss;
4463 abi_ulong shm_swp;
4464 abi_ulong swap_attempts;
4465 abi_ulong swap_successes;
4466};
4467
4468static inline abi_long host_to_target_shm_info(abi_ulong target_addr,
4469 struct shm_info *host_shm_info)
4470{
4471 struct target_shm_info *target_shm_info;
4472 if (!lock_user_struct(VERIFY_WRITE, target_shm_info, target_addr, 0))
4473 return -TARGET_EFAULT;
4474 __put_user(host_shm_info->used_ids, &target_shm_info->used_ids);
4475 __put_user(host_shm_info->shm_tot, &target_shm_info->shm_tot);
4476 __put_user(host_shm_info->shm_rss, &target_shm_info->shm_rss);
4477 __put_user(host_shm_info->shm_swp, &target_shm_info->shm_swp);
4478 __put_user(host_shm_info->swap_attempts, &target_shm_info->swap_attempts);
4479 __put_user(host_shm_info->swap_successes, &target_shm_info->swap_successes);
4480 unlock_user_struct(target_shm_info, target_addr, 1);
4481 return 0;
4482}
4483
4484static inline abi_long do_shmctl(int shmid, int cmd, abi_long buf)
4485{
4486 struct shmid_ds dsarg;
4487 struct shminfo shminfo;
4488 struct shm_info shm_info;
4489 abi_long ret = -TARGET_EINVAL;
4490
4491 cmd &= 0xff;
4492
4493 switch(cmd) {
4494 case IPC_STAT:
4495 case IPC_SET:
4496 case SHM_STAT:
4497 if (target_to_host_shmid_ds(&dsarg, buf))
4498 return -TARGET_EFAULT;
4499 ret = get_errno(shmctl(shmid, cmd, &dsarg));
4500 if (host_to_target_shmid_ds(buf, &dsarg))
4501 return -TARGET_EFAULT;
4502 break;
4503 case IPC_INFO:
4504 ret = get_errno(shmctl(shmid, cmd, (struct shmid_ds *)&shminfo));
4505 if (host_to_target_shminfo(buf, &shminfo))
4506 return -TARGET_EFAULT;
4507 break;
4508 case SHM_INFO:
4509 ret = get_errno(shmctl(shmid, cmd, (struct shmid_ds *)&shm_info));
4510 if (host_to_target_shm_info(buf, &shm_info))
4511 return -TARGET_EFAULT;
4512 break;
4513 case IPC_RMID:
4514 case SHM_LOCK:
4515 case SHM_UNLOCK:
4516 ret = get_errno(shmctl(shmid, cmd, NULL));
4517 break;
4518 }
4519
4520 return ret;
4521}
4522
4523#ifndef TARGET_FORCE_SHMLBA
4524
4525
4526
4527
4528
4529
4530
4531
4532
4533
4534
4535
4536
4537static inline abi_ulong target_shmlba(CPUArchState *cpu_env)
4538{
4539 return TARGET_PAGE_SIZE;
4540}
4541#endif
4542
4543static inline abi_ulong do_shmat(CPUArchState *cpu_env,
4544 int shmid, abi_ulong shmaddr, int shmflg)
4545{
4546 CPUState *cpu = env_cpu(cpu_env);
4547 abi_long raddr;
4548 void *host_raddr;
4549 struct shmid_ds shm_info;
4550 int i,ret;
4551 abi_ulong shmlba;
4552
4553
4554
4555
4556 ret = get_errno(shmctl(shmid, IPC_STAT, &shm_info));
4557 if (is_error(ret)) {
4558
4559 return ret;
4560 }
4561
4562 shmlba = target_shmlba(cpu_env);
4563
4564 if (shmaddr & (shmlba - 1)) {
4565 if (shmflg & SHM_RND) {
4566 shmaddr &= ~(shmlba - 1);
4567 } else {
4568 return -TARGET_EINVAL;
4569 }
4570 }
4571 if (!guest_range_valid_untagged(shmaddr, shm_info.shm_segsz)) {
4572 return -TARGET_EINVAL;
4573 }
4574
4575 mmap_lock();
4576
4577
4578
4579
4580
4581
4582
4583 if (!(cpu->tcg_cflags & CF_PARALLEL)) {
4584 cpu->tcg_cflags |= CF_PARALLEL;
4585 tb_flush(cpu);
4586 }
4587
4588 if (shmaddr)
4589 host_raddr = shmat(shmid, (void *)g2h_untagged(shmaddr), shmflg);
4590 else {
4591 abi_ulong mmap_start;
4592
4593
4594 mmap_start = mmap_find_vma(0, shm_info.shm_segsz, MAX(SHMLBA, shmlba));
4595
4596 if (mmap_start == -1) {
4597 errno = ENOMEM;
4598 host_raddr = (void *)-1;
4599 } else
4600 host_raddr = shmat(shmid, g2h_untagged(mmap_start),
4601 shmflg | SHM_REMAP);
4602 }
4603
4604 if (host_raddr == (void *)-1) {
4605 mmap_unlock();
4606 return get_errno((long)host_raddr);
4607 }
4608 raddr=h2g((unsigned long)host_raddr);
4609
4610 page_set_flags(raddr, raddr + shm_info.shm_segsz,
4611 PAGE_VALID | PAGE_RESET | PAGE_READ |
4612 (shmflg & SHM_RDONLY ? 0 : PAGE_WRITE));
4613
4614 for (i = 0; i < N_SHM_REGIONS; i++) {
4615 if (!shm_regions[i].in_use) {
4616 shm_regions[i].in_use = true;
4617 shm_regions[i].start = raddr;
4618 shm_regions[i].size = shm_info.shm_segsz;
4619 break;
4620 }
4621 }
4622
4623 mmap_unlock();
4624 return raddr;
4625
4626}
4627
4628static inline abi_long do_shmdt(abi_ulong shmaddr)
4629{
4630 int i;
4631 abi_long rv;
4632
4633
4634
4635 mmap_lock();
4636
4637 for (i = 0; i < N_SHM_REGIONS; ++i) {
4638 if (shm_regions[i].in_use && shm_regions[i].start == shmaddr) {
4639 shm_regions[i].in_use = false;
4640 page_set_flags(shmaddr, shmaddr + shm_regions[i].size, 0);
4641 break;
4642 }
4643 }
4644 rv = get_errno(shmdt(g2h_untagged(shmaddr)));
4645
4646 mmap_unlock();
4647
4648 return rv;
4649}
4650
4651#ifdef TARGET_NR_ipc
4652
4653
4654static abi_long do_ipc(CPUArchState *cpu_env,
4655 unsigned int call, abi_long first,
4656 abi_long second, abi_long third,
4657 abi_long ptr, abi_long fifth)
4658{
4659 int version;
4660 abi_long ret = 0;
4661
4662 version = call >> 16;
4663 call &= 0xffff;
4664
4665 switch (call) {
4666 case IPCOP_semop:
4667 ret = do_semtimedop(first, ptr, second, 0, false);
4668 break;
4669 case IPCOP_semtimedop:
4670
4671
4672
4673
4674
4675
4676#if defined(TARGET_S390X)
4677 ret = do_semtimedop(first, ptr, second, third, TARGET_ABI_BITS == 64);
4678#else
4679 ret = do_semtimedop(first, ptr, second, fifth, TARGET_ABI_BITS == 64);
4680#endif
4681 break;
4682
4683 case IPCOP_semget:
4684 ret = get_errno(semget(first, second, third));
4685 break;
4686
4687 case IPCOP_semctl: {
4688
4689
4690 abi_ulong atptr;
4691 get_user_ual(atptr, ptr);
4692 ret = do_semctl(first, second, third, atptr);
4693 break;
4694 }
4695
4696 case IPCOP_msgget:
4697 ret = get_errno(msgget(first, second));
4698 break;
4699
4700 case IPCOP_msgsnd:
4701 ret = do_msgsnd(first, ptr, second, third);
4702 break;
4703
4704 case IPCOP_msgctl:
4705 ret = do_msgctl(first, second, ptr);
4706 break;
4707
4708 case IPCOP_msgrcv:
4709 switch (version) {
4710 case 0:
4711 {
4712 struct target_ipc_kludge {
4713 abi_long msgp;
4714 abi_long msgtyp;
4715 } *tmp;
4716
4717 if (!lock_user_struct(VERIFY_READ, tmp, ptr, 1)) {
4718 ret = -TARGET_EFAULT;
4719 break;
4720 }
4721
4722 ret = do_msgrcv(first, tswapal(tmp->msgp), second, tswapal(tmp->msgtyp), third);
4723
4724 unlock_user_struct(tmp, ptr, 0);
4725 break;
4726 }
4727 default:
4728 ret = do_msgrcv(first, ptr, second, fifth, third);
4729 }
4730 break;
4731
4732 case IPCOP_shmat:
4733 switch (version) {
4734 default:
4735 {
4736 abi_ulong raddr;
4737 raddr = do_shmat(cpu_env, first, ptr, second);
4738 if (is_error(raddr))
4739 return get_errno(raddr);
4740 if (put_user_ual(raddr, third))
4741 return -TARGET_EFAULT;
4742 break;
4743 }
4744 case 1:
4745 ret = -TARGET_EINVAL;
4746 break;
4747 }
4748 break;
4749 case IPCOP_shmdt:
4750 ret = do_shmdt(ptr);
4751 break;
4752
4753 case IPCOP_shmget:
4754
4755 ret = get_errno(shmget(first, second, third));
4756 break;
4757
4758
4759 case IPCOP_shmctl:
4760 ret = do_shmctl(first, second, ptr);
4761 break;
4762 default:
4763 qemu_log_mask(LOG_UNIMP, "Unsupported ipc call: %d (version %d)\n",
4764 call, version);
4765 ret = -TARGET_ENOSYS;
4766 break;
4767 }
4768 return ret;
4769}
4770#endif
4771
4772
4773
4774#define STRUCT(name, ...) STRUCT_ ## name,
4775#define STRUCT_SPECIAL(name) STRUCT_ ## name,
4776enum {
4777#include "syscall_types.h"
4778STRUCT_MAX
4779};
4780#undef STRUCT
4781#undef STRUCT_SPECIAL
4782
4783#define STRUCT(name, ...) static const argtype struct_ ## name ## _def[] = { __VA_ARGS__, TYPE_NULL };
4784#define STRUCT_SPECIAL(name)
4785#include "syscall_types.h"
4786#undef STRUCT
4787#undef STRUCT_SPECIAL
4788
4789#define MAX_STRUCT_SIZE 4096
4790
4791#ifdef CONFIG_FIEMAP
4792
4793
4794
4795
4796#define FIEMAP_MAX_EXTENTS ((UINT_MAX - sizeof(struct fiemap)) \
4797 / sizeof(struct fiemap_extent))
4798
4799static abi_long do_ioctl_fs_ioc_fiemap(const IOCTLEntry *ie, uint8_t *buf_temp,
4800 int fd, int cmd, abi_long arg)
4801{
4802
4803
4804
4805
4806
4807 int target_size_in, target_size_out;
4808 struct fiemap *fm;
4809 const argtype *arg_type = ie->arg_type;
4810 const argtype extent_arg_type[] = { MK_STRUCT(STRUCT_fiemap_extent) };
4811 void *argptr, *p;
4812 abi_long ret;
4813 int i, extent_size = thunk_type_size(extent_arg_type, 0);
4814 uint32_t outbufsz;
4815 int free_fm = 0;
4816
4817 assert(arg_type[0] == TYPE_PTR);
4818 assert(ie->access == IOC_RW);
4819 arg_type++;
4820 target_size_in = thunk_type_size(arg_type, 0);
4821 argptr = lock_user(VERIFY_READ, arg, target_size_in, 1);
4822 if (!argptr) {
4823 return -TARGET_EFAULT;
4824 }
4825 thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST);
4826 unlock_user(argptr, arg, 0);
4827 fm = (struct fiemap *)buf_temp;
4828 if (fm->fm_extent_count > FIEMAP_MAX_EXTENTS) {
4829 return -TARGET_EINVAL;
4830 }
4831
4832 outbufsz = sizeof (*fm) +
4833 (sizeof(struct fiemap_extent) * fm->fm_extent_count);
4834
4835 if (outbufsz > MAX_STRUCT_SIZE) {
4836
4837
4838
4839 fm = g_try_malloc(outbufsz);
4840 if (!fm) {
4841 return -TARGET_ENOMEM;
4842 }
4843 memcpy(fm, buf_temp, sizeof(struct fiemap));
4844 free_fm = 1;
4845 }
4846 ret = get_errno(safe_ioctl(fd, ie->host_cmd, fm));
4847 if (!is_error(ret)) {
4848 target_size_out = target_size_in;
4849
4850
4851
4852 if (fm->fm_extent_count != 0) {
4853 target_size_out += fm->fm_mapped_extents * extent_size;
4854 }
4855 argptr = lock_user(VERIFY_WRITE, arg, target_size_out, 0);
4856 if (!argptr) {
4857 ret = -TARGET_EFAULT;
4858 } else {
4859
4860 thunk_convert(argptr, fm, arg_type, THUNK_TARGET);
4861 if (fm->fm_extent_count != 0) {
4862 p = argptr + target_size_in;
4863
4864 for (i = 0; i < fm->fm_mapped_extents; i++) {
4865 thunk_convert(p, &fm->fm_extents[i], extent_arg_type,
4866 THUNK_TARGET);
4867 p += extent_size;
4868 }
4869 }
4870 unlock_user(argptr, arg, target_size_out);
4871 }
4872 }
4873 if (free_fm) {
4874 g_free(fm);
4875 }
4876 return ret;
4877}
4878#endif
4879
4880static abi_long do_ioctl_ifconf(const IOCTLEntry *ie, uint8_t *buf_temp,
4881 int fd, int cmd, abi_long arg)
4882{
4883 const argtype *arg_type = ie->arg_type;
4884 int target_size;
4885 void *argptr;
4886 int ret;
4887 struct ifconf *host_ifconf;
4888 uint32_t outbufsz;
4889 const argtype ifreq_arg_type[] = { MK_STRUCT(STRUCT_sockaddr_ifreq) };
4890 const argtype ifreq_max_type[] = { MK_STRUCT(STRUCT_ifmap_ifreq) };
4891 int target_ifreq_size;
4892 int nb_ifreq;
4893 int free_buf = 0;
4894 int i;
4895 int target_ifc_len;
4896 abi_long target_ifc_buf;
4897 int host_ifc_len;
4898 char *host_ifc_buf;
4899
4900 assert(arg_type[0] == TYPE_PTR);
4901 assert(ie->access == IOC_RW);
4902
4903 arg_type++;
4904 target_size = thunk_type_size(arg_type, 0);
4905
4906 argptr = lock_user(VERIFY_READ, arg, target_size, 1);
4907 if (!argptr)
4908 return -TARGET_EFAULT;
4909 thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST);
4910 unlock_user(argptr, arg, 0);
4911
4912 host_ifconf = (struct ifconf *)(unsigned long)buf_temp;
4913 target_ifc_buf = (abi_long)(unsigned long)host_ifconf->ifc_buf;
4914 target_ifreq_size = thunk_type_size(ifreq_max_type, 0);
4915
4916 if (target_ifc_buf != 0) {
4917 target_ifc_len = host_ifconf->ifc_len;
4918 nb_ifreq = target_ifc_len / target_ifreq_size;
4919 host_ifc_len = nb_ifreq * sizeof(struct ifreq);
4920
4921 outbufsz = sizeof(*host_ifconf) + host_ifc_len;
4922 if (outbufsz > MAX_STRUCT_SIZE) {
4923
4924
4925
4926
4927 host_ifconf = g_try_malloc(outbufsz);
4928 if (!host_ifconf) {
4929 return -TARGET_ENOMEM;
4930 }
4931 memcpy(host_ifconf, buf_temp, sizeof(*host_ifconf));
4932 free_buf = 1;
4933 }
4934 host_ifc_buf = (char *)host_ifconf + sizeof(*host_ifconf);
4935
4936 host_ifconf->ifc_len = host_ifc_len;
4937 } else {
4938 host_ifc_buf = NULL;
4939 }
4940 host_ifconf->ifc_buf = host_ifc_buf;
4941
4942 ret = get_errno(safe_ioctl(fd, ie->host_cmd, host_ifconf));
4943 if (!is_error(ret)) {
4944
4945
4946 nb_ifreq = host_ifconf->ifc_len / sizeof(struct ifreq);
4947 target_ifc_len = nb_ifreq * target_ifreq_size;
4948 host_ifconf->ifc_len = target_ifc_len;
4949
4950
4951
4952 host_ifconf->ifc_buf = (char *)(unsigned long)target_ifc_buf;
4953
4954
4955
4956 argptr = lock_user(VERIFY_WRITE, arg, target_size, 0);
4957 if (!argptr)
4958 return -TARGET_EFAULT;
4959 thunk_convert(argptr, host_ifconf, arg_type, THUNK_TARGET);
4960 unlock_user(argptr, arg, target_size);
4961
4962 if (target_ifc_buf != 0) {
4963
4964 argptr = lock_user(VERIFY_WRITE, target_ifc_buf, target_ifc_len, 0);
4965 for (i = 0; i < nb_ifreq ; i++) {
4966 thunk_convert(argptr + i * target_ifreq_size,
4967 host_ifc_buf + i * sizeof(struct ifreq),
4968 ifreq_arg_type, THUNK_TARGET);
4969 }
4970 unlock_user(argptr, target_ifc_buf, target_ifc_len);
4971 }
4972 }
4973
4974 if (free_buf) {
4975 g_free(host_ifconf);
4976 }
4977
4978 return ret;
4979}
4980
4981#if defined(CONFIG_USBFS)
4982#if HOST_LONG_BITS > 64
4983#error USBDEVFS thunks do not support >64 bit hosts yet.
4984#endif
4985struct live_urb {
4986 uint64_t target_urb_adr;
4987 uint64_t target_buf_adr;
4988 char *target_buf_ptr;
4989 struct usbdevfs_urb host_urb;
4990};
4991
4992static GHashTable *usbdevfs_urb_hashtable(void)
4993{
4994 static GHashTable *urb_hashtable;
4995
4996 if (!urb_hashtable) {
4997 urb_hashtable = g_hash_table_new(g_int64_hash, g_int64_equal);
4998 }
4999 return urb_hashtable;
5000}
5001
5002static void urb_hashtable_insert(struct live_urb *urb)
5003{
5004 GHashTable *urb_hashtable = usbdevfs_urb_hashtable();
5005 g_hash_table_insert(urb_hashtable, urb, urb);
5006}
5007
5008static struct live_urb *urb_hashtable_lookup(uint64_t target_urb_adr)
5009{
5010 GHashTable *urb_hashtable = usbdevfs_urb_hashtable();
5011 return g_hash_table_lookup(urb_hashtable, &target_urb_adr);
5012}
5013
5014static void urb_hashtable_remove(struct live_urb *urb)
5015{
5016 GHashTable *urb_hashtable = usbdevfs_urb_hashtable();
5017 g_hash_table_remove(urb_hashtable, urb);
5018}
5019
5020static abi_long
5021do_ioctl_usbdevfs_reapurb(const IOCTLEntry *ie, uint8_t *buf_temp,
5022 int fd, int cmd, abi_long arg)
5023{
5024 const argtype usbfsurb_arg_type[] = { MK_STRUCT(STRUCT_usbdevfs_urb) };
5025 const argtype ptrvoid_arg_type[] = { TYPE_PTRVOID, 0, 0 };
5026 struct live_urb *lurb;
5027 void *argptr;
5028 uint64_t hurb;
5029 int target_size;
5030 uintptr_t target_urb_adr;
5031 abi_long ret;
5032
5033 target_size = thunk_type_size(usbfsurb_arg_type, THUNK_TARGET);
5034
5035 memset(buf_temp, 0, sizeof(uint64_t));
5036 ret = get_errno(safe_ioctl(fd, ie->host_cmd, buf_temp));
5037 if (is_error(ret)) {
5038 return ret;
5039 }
5040
5041 memcpy(&hurb, buf_temp, sizeof(uint64_t));
5042 lurb = (void *)((uintptr_t)hurb - offsetof(struct live_urb, host_urb));
5043 if (!lurb->target_urb_adr) {
5044 return -TARGET_EFAULT;
5045 }
5046 urb_hashtable_remove(lurb);
5047 unlock_user(lurb->target_buf_ptr, lurb->target_buf_adr,
5048 lurb->host_urb.buffer_length);
5049 lurb->target_buf_ptr = NULL;
5050
5051
5052 lurb->host_urb.buffer = (void *)(uintptr_t)lurb->target_buf_adr;
5053
5054
5055 argptr = lock_user(VERIFY_WRITE, lurb->target_urb_adr, target_size, 0);
5056 if (!argptr) {
5057 g_free(lurb);
5058 return -TARGET_EFAULT;
5059 }
5060 thunk_convert(argptr, &lurb->host_urb, usbfsurb_arg_type, THUNK_TARGET);
5061 unlock_user(argptr, lurb->target_urb_adr, target_size);
5062
5063 target_size = thunk_type_size(ptrvoid_arg_type, THUNK_TARGET);
5064
5065 argptr = lock_user(VERIFY_WRITE, arg, target_size, 0);
5066 if (!argptr) {
5067 g_free(lurb);
5068 return -TARGET_EFAULT;
5069 }
5070
5071
5072 target_urb_adr = lurb->target_urb_adr;
5073 thunk_convert(argptr, &target_urb_adr, ptrvoid_arg_type, THUNK_TARGET);
5074 unlock_user(argptr, arg, target_size);
5075
5076 g_free(lurb);
5077 return ret;
5078}
5079
5080static abi_long
5081do_ioctl_usbdevfs_discardurb(const IOCTLEntry *ie,
5082 uint8_t *buf_temp __attribute__((unused)),
5083 int fd, int cmd, abi_long arg)
5084{
5085 struct live_urb *lurb;
5086
5087
5088 lurb = urb_hashtable_lookup(arg);
5089 if (!lurb) {
5090 return -TARGET_EFAULT;
5091 }
5092 return get_errno(safe_ioctl(fd, ie->host_cmd, &lurb->host_urb));
5093}
5094
5095static abi_long
5096do_ioctl_usbdevfs_submiturb(const IOCTLEntry *ie, uint8_t *buf_temp,
5097 int fd, int cmd, abi_long arg)
5098{
5099 const argtype *arg_type = ie->arg_type;
5100 int target_size;
5101 abi_long ret;
5102 void *argptr;
5103 int rw_dir;
5104 struct live_urb *lurb;
5105
5106
5107
5108
5109
5110
5111
5112 arg_type++;
5113 target_size = thunk_type_size(arg_type, THUNK_TARGET);
5114
5115
5116 lurb = g_try_new0(struct live_urb, 1);
5117 if (!lurb) {
5118 return -TARGET_ENOMEM;
5119 }
5120
5121 argptr = lock_user(VERIFY_READ, arg, target_size, 1);
5122 if (!argptr) {
5123 g_free(lurb);
5124 return -TARGET_EFAULT;
5125 }
5126 thunk_convert(&lurb->host_urb, argptr, arg_type, THUNK_HOST);
5127 unlock_user(argptr, arg, 0);
5128
5129 lurb->target_urb_adr = arg;
5130 lurb->target_buf_adr = (uintptr_t)lurb->host_urb.buffer;
5131
5132
5133
5134 rw_dir = lurb->host_urb.endpoint & USB_DIR_IN ? VERIFY_WRITE : VERIFY_READ;
5135 lurb->target_buf_ptr = lock_user(rw_dir, lurb->target_buf_adr,
5136 lurb->host_urb.buffer_length, 1);
5137 if (lurb->target_buf_ptr == NULL) {
5138 g_free(lurb);
5139 return -TARGET_EFAULT;
5140 }
5141
5142
5143 lurb->host_urb.buffer = lurb->target_buf_ptr;
5144
5145 ret = get_errno(safe_ioctl(fd, ie->host_cmd, &lurb->host_urb));
5146 if (is_error(ret)) {
5147 unlock_user(lurb->target_buf_ptr, lurb->target_buf_adr, 0);
5148 g_free(lurb);
5149 } else {
5150 urb_hashtable_insert(lurb);
5151 }
5152
5153 return ret;
5154}
5155#endif
5156
5157static abi_long do_ioctl_dm(const IOCTLEntry *ie, uint8_t *buf_temp, int fd,
5158 int cmd, abi_long arg)
5159{
5160 void *argptr;
5161 struct dm_ioctl *host_dm;
5162 abi_long guest_data;
5163 uint32_t guest_data_size;
5164 int target_size;
5165 const argtype *arg_type = ie->arg_type;
5166 abi_long ret;
5167 void *big_buf = NULL;
5168 char *host_data;
5169
5170 arg_type++;
5171 target_size = thunk_type_size(arg_type, 0);
5172 argptr = lock_user(VERIFY_READ, arg, target_size, 1);
5173 if (!argptr) {
5174 ret = -TARGET_EFAULT;
5175 goto out;
5176 }
5177 thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST);
5178 unlock_user(argptr, arg, 0);
5179
5180
5181 big_buf = g_malloc0(((struct dm_ioctl*)buf_temp)->data_size * 2);
5182 memcpy(big_buf, buf_temp, target_size);
5183 buf_temp = big_buf;
5184 host_dm = big_buf;
5185
5186 guest_data = arg + host_dm->data_start;
5187 if ((guest_data - arg) < 0) {
5188 ret = -TARGET_EINVAL;
5189 goto out;
5190 }
5191 guest_data_size = host_dm->data_size - host_dm->data_start;
5192 host_data = (char*)host_dm + host_dm->data_start;
5193
5194 argptr = lock_user(VERIFY_READ, guest_data, guest_data_size, 1);
5195 if (!argptr) {
5196 ret = -TARGET_EFAULT;
5197 goto out;
5198 }
5199
5200 switch (ie->host_cmd) {
5201 case DM_REMOVE_ALL:
5202 case DM_LIST_DEVICES:
5203 case DM_DEV_CREATE:
5204 case DM_DEV_REMOVE:
5205 case DM_DEV_SUSPEND:
5206 case DM_DEV_STATUS:
5207 case DM_DEV_WAIT:
5208 case DM_TABLE_STATUS:
5209 case DM_TABLE_CLEAR:
5210 case DM_TABLE_DEPS:
5211 case DM_LIST_VERSIONS:
5212
5213 break;
5214 case DM_DEV_RENAME:
5215 case DM_DEV_SET_GEOMETRY:
5216
5217 memcpy(host_data, argptr, guest_data_size);
5218 break;
5219 case DM_TARGET_MSG:
5220 memcpy(host_data, argptr, guest_data_size);
5221 *(uint64_t*)host_data = tswap64(*(uint64_t*)argptr);
5222 break;
5223 case DM_TABLE_LOAD:
5224 {
5225 void *gspec = argptr;
5226 void *cur_data = host_data;
5227 const argtype arg_type[] = { MK_STRUCT(STRUCT_dm_target_spec) };
5228 int spec_size = thunk_type_size(arg_type, 0);
5229 int i;
5230
5231 for (i = 0; i < host_dm->target_count; i++) {
5232 struct dm_target_spec *spec = cur_data;
5233 uint32_t next;
5234 int slen;
5235
5236 thunk_convert(spec, gspec, arg_type, THUNK_HOST);
5237 slen = strlen((char*)gspec + spec_size) + 1;
5238 next = spec->next;
5239 spec->next = sizeof(*spec) + slen;
5240 strcpy((char*)&spec[1], gspec + spec_size);
5241 gspec += next;
5242 cur_data += spec->next;
5243 }
5244 break;
5245 }
5246 default:
5247 ret = -TARGET_EINVAL;
5248 unlock_user(argptr, guest_data, 0);
5249 goto out;
5250 }
5251 unlock_user(argptr, guest_data, 0);
5252
5253 ret = get_errno(safe_ioctl(fd, ie->host_cmd, buf_temp));
5254 if (!is_error(ret)) {
5255 guest_data = arg + host_dm->data_start;
5256 guest_data_size = host_dm->data_size - host_dm->data_start;
5257 argptr = lock_user(VERIFY_WRITE, guest_data, guest_data_size, 0);
5258 switch (ie->host_cmd) {
5259 case DM_REMOVE_ALL:
5260 case DM_DEV_CREATE:
5261 case DM_DEV_REMOVE:
5262 case DM_DEV_RENAME:
5263 case DM_DEV_SUSPEND:
5264 case DM_DEV_STATUS:
5265 case DM_TABLE_LOAD:
5266 case DM_TABLE_CLEAR:
5267 case DM_TARGET_MSG:
5268 case DM_DEV_SET_GEOMETRY:
5269
5270 break;
5271 case DM_LIST_DEVICES:
5272 {
5273 struct dm_name_list *nl = (void*)host_dm + host_dm->data_start;
5274 uint32_t remaining_data = guest_data_size;
5275 void *cur_data = argptr;
5276 const argtype arg_type[] = { MK_STRUCT(STRUCT_dm_name_list) };
5277 int nl_size = 12;
5278
5279 while (1) {
5280 uint32_t next = nl->next;
5281 if (next) {
5282 nl->next = nl_size + (strlen(nl->name) + 1);
5283 }
5284 if (remaining_data < nl->next) {
5285 host_dm->flags |= DM_BUFFER_FULL_FLAG;
5286 break;
5287 }
5288 thunk_convert(cur_data, nl, arg_type, THUNK_TARGET);
5289 strcpy(cur_data + nl_size, nl->name);
5290 cur_data += nl->next;
5291 remaining_data -= nl->next;
5292 if (!next) {
5293 break;
5294 }
5295 nl = (void*)nl + next;
5296 }
5297 break;
5298 }
5299 case DM_DEV_WAIT:
5300 case DM_TABLE_STATUS:
5301 {
5302 struct dm_target_spec *spec = (void*)host_dm + host_dm->data_start;
5303 void *cur_data = argptr;
5304 const argtype arg_type[] = { MK_STRUCT(STRUCT_dm_target_spec) };
5305 int spec_size = thunk_type_size(arg_type, 0);
5306 int i;
5307
5308 for (i = 0; i < host_dm->target_count; i++) {
5309 uint32_t next = spec->next;
5310 int slen = strlen((char*)&spec[1]) + 1;
5311 spec->next = (cur_data - argptr) + spec_size + slen;
5312 if (guest_data_size < spec->next) {
5313 host_dm->flags |= DM_BUFFER_FULL_FLAG;
5314 break;
5315 }
5316 thunk_convert(cur_data, spec, arg_type, THUNK_TARGET);
5317 strcpy(cur_data + spec_size, (char*)&spec[1]);
5318 cur_data = argptr + spec->next;
5319 spec = (void*)host_dm + host_dm->data_start + next;
5320 }
5321 break;
5322 }
5323 case DM_TABLE_DEPS:
5324 {
5325 void *hdata = (void*)host_dm + host_dm->data_start;
5326 int count = *(uint32_t*)hdata;
5327 uint64_t *hdev = hdata + 8;
5328 uint64_t *gdev = argptr + 8;
5329 int i;
5330
5331 *(uint32_t*)argptr = tswap32(count);
5332 for (i = 0; i < count; i++) {
5333 *gdev = tswap64(*hdev);
5334 gdev++;
5335 hdev++;
5336 }
5337 break;
5338 }
5339 case DM_LIST_VERSIONS:
5340 {
5341 struct dm_target_versions *vers = (void*)host_dm + host_dm->data_start;
5342 uint32_t remaining_data = guest_data_size;
5343 void *cur_data = argptr;
5344 const argtype arg_type[] = { MK_STRUCT(STRUCT_dm_target_versions) };
5345 int vers_size = thunk_type_size(arg_type, 0);
5346
5347 while (1) {
5348 uint32_t next = vers->next;
5349 if (next) {
5350 vers->next = vers_size + (strlen(vers->name) + 1);
5351 }
5352 if (remaining_data < vers->next) {
5353 host_dm->flags |= DM_BUFFER_FULL_FLAG;
5354 break;
5355 }
5356 thunk_convert(cur_data, vers, arg_type, THUNK_TARGET);
5357 strcpy(cur_data + vers_size, vers->name);
5358 cur_data += vers->next;
5359 remaining_data -= vers->next;
5360 if (!next) {
5361 break;
5362 }
5363 vers = (void*)vers + next;
5364 }
5365 break;
5366 }
5367 default:
5368 unlock_user(argptr, guest_data, 0);
5369 ret = -TARGET_EINVAL;
5370 goto out;
5371 }
5372 unlock_user(argptr, guest_data, guest_data_size);
5373
5374 argptr = lock_user(VERIFY_WRITE, arg, target_size, 0);
5375 if (!argptr) {
5376 ret = -TARGET_EFAULT;
5377 goto out;
5378 }
5379 thunk_convert(argptr, buf_temp, arg_type, THUNK_TARGET);
5380 unlock_user(argptr, arg, target_size);
5381 }
5382out:
5383 g_free(big_buf);
5384 return ret;
5385}
5386
5387static abi_long do_ioctl_blkpg(const IOCTLEntry *ie, uint8_t *buf_temp, int fd,
5388 int cmd, abi_long arg)
5389{
5390 void *argptr;
5391 int target_size;
5392 const argtype *arg_type = ie->arg_type;
5393 const argtype part_arg_type[] = { MK_STRUCT(STRUCT_blkpg_partition) };
5394 abi_long ret;
5395
5396 struct blkpg_ioctl_arg *host_blkpg = (void*)buf_temp;
5397 struct blkpg_partition host_part;
5398
5399
5400 arg_type++;
5401 target_size = thunk_type_size(arg_type, 0);
5402 argptr = lock_user(VERIFY_READ, arg, target_size, 1);
5403 if (!argptr) {
5404 ret = -TARGET_EFAULT;
5405 goto out;
5406 }
5407 thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST);
5408 unlock_user(argptr, arg, 0);
5409
5410 switch (host_blkpg->op) {
5411 case BLKPG_ADD_PARTITION:
5412 case BLKPG_DEL_PARTITION:
5413
5414 break;
5415 default:
5416
5417 ret = -TARGET_EINVAL;
5418 goto out;
5419 }
5420
5421
5422 arg = (abi_long)(uintptr_t)host_blkpg->data;
5423 target_size = thunk_type_size(part_arg_type, 0);
5424 argptr = lock_user(VERIFY_READ, arg, target_size, 1);
5425 if (!argptr) {
5426 ret = -TARGET_EFAULT;
5427 goto out;
5428 }
5429 thunk_convert(&host_part, argptr, part_arg_type, THUNK_HOST);
5430 unlock_user(argptr, arg, 0);
5431
5432
5433 host_blkpg->data = &host_part;
5434 ret = get_errno(safe_ioctl(fd, ie->host_cmd, host_blkpg));
5435
5436out:
5437 return ret;
5438}
5439
5440static abi_long do_ioctl_rt(const IOCTLEntry *ie, uint8_t *buf_temp,
5441 int fd, int cmd, abi_long arg)
5442{
5443 const argtype *arg_type = ie->arg_type;
5444 const StructEntry *se;
5445 const argtype *field_types;
5446 const int *dst_offsets, *src_offsets;
5447 int target_size;
5448 void *argptr;
5449 abi_ulong *target_rt_dev_ptr = NULL;
5450 unsigned long *host_rt_dev_ptr = NULL;
5451 abi_long ret;
5452 int i;
5453
5454 assert(ie->access == IOC_W);
5455 assert(*arg_type == TYPE_PTR);
5456 arg_type++;
5457 assert(*arg_type == TYPE_STRUCT);
5458 target_size = thunk_type_size(arg_type, 0);
5459 argptr = lock_user(VERIFY_READ, arg, target_size, 1);
5460 if (!argptr) {
5461 return -TARGET_EFAULT;
5462 }
5463 arg_type++;
5464 assert(*arg_type == (int)STRUCT_rtentry);
5465 se = struct_entries + *arg_type++;
5466 assert(se->convert[0] == NULL);
5467
5468 field_types = se->field_types;
5469 dst_offsets = se->field_offsets[THUNK_HOST];
5470 src_offsets = se->field_offsets[THUNK_TARGET];
5471 for (i = 0; i < se->nb_fields; i++) {
5472 if (dst_offsets[i] == offsetof(struct rtentry, rt_dev)) {
5473 assert(*field_types == TYPE_PTRVOID);
5474 target_rt_dev_ptr = (abi_ulong *)(argptr + src_offsets[i]);
5475 host_rt_dev_ptr = (unsigned long *)(buf_temp + dst_offsets[i]);
5476 if (*target_rt_dev_ptr != 0) {
5477 *host_rt_dev_ptr = (unsigned long)lock_user_string(
5478 tswapal(*target_rt_dev_ptr));
5479 if (!*host_rt_dev_ptr) {
5480 unlock_user(argptr, arg, 0);
5481 return -TARGET_EFAULT;
5482 }
5483 } else {
5484 *host_rt_dev_ptr = 0;
5485 }
5486 field_types++;
5487 continue;
5488 }
5489 field_types = thunk_convert(buf_temp + dst_offsets[i],
5490 argptr + src_offsets[i],
5491 field_types, THUNK_HOST);
5492 }
5493 unlock_user(argptr, arg, 0);
5494
5495 ret = get_errno(safe_ioctl(fd, ie->host_cmd, buf_temp));
5496
5497 assert(host_rt_dev_ptr != NULL);
5498 assert(target_rt_dev_ptr != NULL);
5499 if (*host_rt_dev_ptr != 0) {
5500 unlock_user((void *)*host_rt_dev_ptr,
5501 *target_rt_dev_ptr, 0);
5502 }
5503 return ret;
5504}
5505
5506static abi_long do_ioctl_kdsigaccept(const IOCTLEntry *ie, uint8_t *buf_temp,
5507 int fd, int cmd, abi_long arg)
5508{
5509 int sig = target_to_host_signal(arg);
5510 return get_errno(safe_ioctl(fd, ie->host_cmd, sig));
5511}
5512
5513static abi_long do_ioctl_SIOCGSTAMP(const IOCTLEntry *ie, uint8_t *buf_temp,
5514 int fd, int cmd, abi_long arg)
5515{
5516 struct timeval tv;
5517 abi_long ret;
5518
5519 ret = get_errno(safe_ioctl(fd, SIOCGSTAMP, &tv));
5520 if (is_error(ret)) {
5521 return ret;
5522 }
5523
5524 if (cmd == (int)TARGET_SIOCGSTAMP_OLD) {
5525 if (copy_to_user_timeval(arg, &tv)) {
5526 return -TARGET_EFAULT;
5527 }
5528 } else {
5529 if (copy_to_user_timeval64(arg, &tv)) {
5530 return -TARGET_EFAULT;
5531 }
5532 }
5533
5534 return ret;
5535}
5536
5537static abi_long do_ioctl_SIOCGSTAMPNS(const IOCTLEntry *ie, uint8_t *buf_temp,
5538 int fd, int cmd, abi_long arg)
5539{
5540 struct timespec ts;
5541 abi_long ret;
5542
5543 ret = get_errno(safe_ioctl(fd, SIOCGSTAMPNS, &ts));
5544 if (is_error(ret)) {
5545 return ret;
5546 }
5547
5548 if (cmd == (int)TARGET_SIOCGSTAMPNS_OLD) {
5549 if (host_to_target_timespec(arg, &ts)) {
5550 return -TARGET_EFAULT;
5551 }
5552 } else{
5553 if (host_to_target_timespec64(arg, &ts)) {
5554 return -TARGET_EFAULT;
5555 }
5556 }
5557
5558 return ret;
5559}
5560
5561#ifdef TIOCGPTPEER
5562static abi_long do_ioctl_tiocgptpeer(const IOCTLEntry *ie, uint8_t *buf_temp,
5563 int fd, int cmd, abi_long arg)
5564{
5565 int flags = target_to_host_bitmask(arg, fcntl_flags_tbl);
5566 return get_errno(safe_ioctl(fd, ie->host_cmd, flags));
5567}
5568#endif
5569
5570#ifdef HAVE_DRM_H
5571
5572static void unlock_drm_version(struct drm_version *host_ver,
5573 struct target_drm_version *target_ver,
5574 bool copy)
5575{
5576 unlock_user(host_ver->name, target_ver->name,
5577 copy ? host_ver->name_len : 0);
5578 unlock_user(host_ver->date, target_ver->date,
5579 copy ? host_ver->date_len : 0);
5580 unlock_user(host_ver->desc, target_ver->desc,
5581 copy ? host_ver->desc_len : 0);
5582}
5583
5584static inline abi_long target_to_host_drmversion(struct drm_version *host_ver,
5585 struct target_drm_version *target_ver)
5586{
5587 memset(host_ver, 0, sizeof(*host_ver));
5588
5589 __get_user(host_ver->name_len, &target_ver->name_len);
5590 if (host_ver->name_len) {
5591 host_ver->name = lock_user(VERIFY_WRITE, target_ver->name,
5592 target_ver->name_len, 0);
5593 if (!host_ver->name) {
5594 return -EFAULT;
5595 }
5596 }
5597
5598 __get_user(host_ver->date_len, &target_ver->date_len);
5599 if (host_ver->date_len) {
5600 host_ver->date = lock_user(VERIFY_WRITE, target_ver->date,
5601 target_ver->date_len, 0);
5602 if (!host_ver->date) {
5603 goto err;
5604 }
5605 }
5606
5607 __get_user(host_ver->desc_len, &target_ver->desc_len);
5608 if (host_ver->desc_len) {
5609 host_ver->desc = lock_user(VERIFY_WRITE, target_ver->desc,
5610 target_ver->desc_len, 0);
5611 if (!host_ver->desc) {
5612 goto err;
5613 }
5614 }
5615
5616 return 0;
5617err:
5618 unlock_drm_version(host_ver, target_ver, false);
5619 return -EFAULT;
5620}
5621
5622static inline void host_to_target_drmversion(
5623 struct target_drm_version *target_ver,
5624 struct drm_version *host_ver)
5625{
5626 __put_user(host_ver->version_major, &target_ver->version_major);
5627 __put_user(host_ver->version_minor, &target_ver->version_minor);
5628 __put_user(host_ver->version_patchlevel, &target_ver->version_patchlevel);
5629 __put_user(host_ver->name_len, &target_ver->name_len);
5630 __put_user(host_ver->date_len, &target_ver->date_len);
5631 __put_user(host_ver->desc_len, &target_ver->desc_len);
5632 unlock_drm_version(host_ver, target_ver, true);
5633}
5634
5635static abi_long do_ioctl_drm(const IOCTLEntry *ie, uint8_t *buf_temp,
5636 int fd, int cmd, abi_long arg)
5637{
5638 struct drm_version *ver;
5639 struct target_drm_version *target_ver;
5640 abi_long ret;
5641
5642 switch (ie->host_cmd) {
5643 case DRM_IOCTL_VERSION:
5644 if (!lock_user_struct(VERIFY_WRITE, target_ver, arg, 0)) {
5645 return -TARGET_EFAULT;
5646 }
5647 ver = (struct drm_version *)buf_temp;
5648 ret = target_to_host_drmversion(ver, target_ver);
5649 if (!is_error(ret)) {
5650 ret = get_errno(safe_ioctl(fd, ie->host_cmd, ver));
5651 if (is_error(ret)) {
5652 unlock_drm_version(ver, target_ver, false);
5653 } else {
5654 host_to_target_drmversion(target_ver, ver);
5655 }
5656 }
5657 unlock_user_struct(target_ver, arg, 0);
5658 return ret;
5659 }
5660 return -TARGET_ENOSYS;
5661}
5662
5663static abi_long do_ioctl_drm_i915_getparam(const IOCTLEntry *ie,
5664 struct drm_i915_getparam *gparam,
5665 int fd, abi_long arg)
5666{
5667 abi_long ret;
5668 int value;
5669 struct target_drm_i915_getparam *target_gparam;
5670
5671 if (!lock_user_struct(VERIFY_READ, target_gparam, arg, 0)) {
5672 return -TARGET_EFAULT;
5673 }
5674
5675 __get_user(gparam->param, &target_gparam->param);
5676 gparam->value = &value;
5677 ret = get_errno(safe_ioctl(fd, ie->host_cmd, gparam));
5678 put_user_s32(value, target_gparam->value);
5679
5680 unlock_user_struct(target_gparam, arg, 0);
5681 return ret;
5682}
5683
5684static abi_long do_ioctl_drm_i915(const IOCTLEntry *ie, uint8_t *buf_temp,
5685 int fd, int cmd, abi_long arg)
5686{
5687 switch (ie->host_cmd) {
5688 case DRM_IOCTL_I915_GETPARAM:
5689 return do_ioctl_drm_i915_getparam(ie,
5690 (struct drm_i915_getparam *)buf_temp,
5691 fd, arg);
5692 default:
5693 return -TARGET_ENOSYS;
5694 }
5695}
5696
5697#endif
5698
5699static abi_long do_ioctl_TUNSETTXFILTER(const IOCTLEntry *ie, uint8_t *buf_temp,
5700 int fd, int cmd, abi_long arg)
5701{
5702 struct tun_filter *filter = (struct tun_filter *)buf_temp;
5703 struct tun_filter *target_filter;
5704 char *target_addr;
5705
5706 assert(ie->access == IOC_W);
5707
5708 target_filter = lock_user(VERIFY_READ, arg, sizeof(*target_filter), 1);
5709 if (!target_filter) {
5710 return -TARGET_EFAULT;
5711 }
5712 filter->flags = tswap16(target_filter->flags);
5713 filter->count = tswap16(target_filter->count);
5714 unlock_user(target_filter, arg, 0);
5715
5716 if (filter->count) {
5717 if (offsetof(struct tun_filter, addr) + filter->count * ETH_ALEN >
5718 MAX_STRUCT_SIZE) {
5719 return -TARGET_EFAULT;
5720 }
5721
5722 target_addr = lock_user(VERIFY_READ,
5723 arg + offsetof(struct tun_filter, addr),
5724 filter->count * ETH_ALEN, 1);
5725 if (!target_addr) {
5726 return -TARGET_EFAULT;
5727 }
5728 memcpy(filter->addr, target_addr, filter->count * ETH_ALEN);
5729 unlock_user(target_addr, arg + offsetof(struct tun_filter, addr), 0);
5730 }
5731
5732 return get_errno(safe_ioctl(fd, ie->host_cmd, filter));
5733}
5734
5735IOCTLEntry ioctl_entries[] = {
5736#define IOCTL(cmd, access, ...) \
5737 { TARGET_ ## cmd, cmd, #cmd, access, 0, { __VA_ARGS__ } },
5738#define IOCTL_SPECIAL(cmd, access, dofn, ...) \
5739 { TARGET_ ## cmd, cmd, #cmd, access, dofn, { __VA_ARGS__ } },
5740#define IOCTL_IGNORE(cmd) \
5741 { TARGET_ ## cmd, 0, #cmd },
5742#include "ioctls.h"
5743 { 0, 0, },
5744};
5745
5746
5747
5748static abi_long do_ioctl(int fd, int cmd, abi_long arg)
5749{
5750 const IOCTLEntry *ie;
5751 const argtype *arg_type;
5752 abi_long ret;
5753 uint8_t buf_temp[MAX_STRUCT_SIZE];
5754 int target_size;
5755 void *argptr;
5756
5757 ie = ioctl_entries;
5758 for(;;) {
5759 if (ie->target_cmd == 0) {
5760 qemu_log_mask(
5761 LOG_UNIMP, "Unsupported ioctl: cmd=0x%04lx\n", (long)cmd);
5762 return -TARGET_ENOSYS;
5763 }
5764 if (ie->target_cmd == cmd)
5765 break;
5766 ie++;
5767 }
5768 arg_type = ie->arg_type;
5769 if (ie->do_ioctl) {
5770 return ie->do_ioctl(ie, buf_temp, fd, cmd, arg);
5771 } else if (!ie->host_cmd) {
5772
5773
5774 return -TARGET_ENOSYS;
5775 }
5776
5777 switch(arg_type[0]) {
5778 case TYPE_NULL:
5779
5780 ret = get_errno(safe_ioctl(fd, ie->host_cmd));
5781 break;
5782 case TYPE_PTRVOID:
5783 case TYPE_INT:
5784 case TYPE_LONG:
5785 case TYPE_ULONG:
5786 ret = get_errno(safe_ioctl(fd, ie->host_cmd, arg));
5787 break;
5788 case TYPE_PTR:
5789 arg_type++;
5790 target_size = thunk_type_size(arg_type, 0);
5791 switch(ie->access) {
5792 case IOC_R:
5793 ret = get_errno(safe_ioctl(fd, ie->host_cmd, buf_temp));
5794 if (!is_error(ret)) {
5795 argptr = lock_user(VERIFY_WRITE, arg, target_size, 0);
5796 if (!argptr)
5797 return -TARGET_EFAULT;
5798 thunk_convert(argptr, buf_temp, arg_type, THUNK_TARGET);
5799 unlock_user(argptr, arg, target_size);
5800 }
5801 break;
5802 case IOC_W:
5803 argptr = lock_user(VERIFY_READ, arg, target_size, 1);
5804 if (!argptr)
5805 return -TARGET_EFAULT;
5806 thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST);
5807 unlock_user(argptr, arg, 0);
5808 ret = get_errno(safe_ioctl(fd, ie->host_cmd, buf_temp));
5809 break;
5810 default:
5811 case IOC_RW:
5812 argptr = lock_user(VERIFY_READ, arg, target_size, 1);
5813 if (!argptr)
5814 return -TARGET_EFAULT;
5815 thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST);
5816 unlock_user(argptr, arg, 0);
5817 ret = get_errno(safe_ioctl(fd, ie->host_cmd, buf_temp));
5818 if (!is_error(ret)) {
5819 argptr = lock_user(VERIFY_WRITE, arg, target_size, 0);
5820 if (!argptr)
5821 return -TARGET_EFAULT;
5822 thunk_convert(argptr, buf_temp, arg_type, THUNK_TARGET);
5823 unlock_user(argptr, arg, target_size);
5824 }
5825 break;
5826 }
5827 break;
5828 default:
5829 qemu_log_mask(LOG_UNIMP,
5830 "Unsupported ioctl type: cmd=0x%04lx type=%d\n",
5831 (long)cmd, arg_type[0]);
5832 ret = -TARGET_ENOSYS;
5833 break;
5834 }
5835 return ret;
5836}
5837
5838static const bitmask_transtbl iflag_tbl[] = {
5839 { TARGET_IGNBRK, TARGET_IGNBRK, IGNBRK, IGNBRK },
5840 { TARGET_BRKINT, TARGET_BRKINT, BRKINT, BRKINT },
5841 { TARGET_IGNPAR, TARGET_IGNPAR, IGNPAR, IGNPAR },
5842 { TARGET_PARMRK, TARGET_PARMRK, PARMRK, PARMRK },
5843 { TARGET_INPCK, TARGET_INPCK, INPCK, INPCK },
5844 { TARGET_ISTRIP, TARGET_ISTRIP, ISTRIP, ISTRIP },
5845 { TARGET_INLCR, TARGET_INLCR, INLCR, INLCR },
5846 { TARGET_IGNCR, TARGET_IGNCR, IGNCR, IGNCR },
5847 { TARGET_ICRNL, TARGET_ICRNL, ICRNL, ICRNL },
5848 { TARGET_IUCLC, TARGET_IUCLC, IUCLC, IUCLC },
5849 { TARGET_IXON, TARGET_IXON, IXON, IXON },
5850 { TARGET_IXANY, TARGET_IXANY, IXANY, IXANY },
5851 { TARGET_IXOFF, TARGET_IXOFF, IXOFF, IXOFF },
5852 { TARGET_IMAXBEL, TARGET_IMAXBEL, IMAXBEL, IMAXBEL },
5853 { TARGET_IUTF8, TARGET_IUTF8, IUTF8, IUTF8},
5854 { 0, 0, 0, 0 }
5855};
5856
5857static const bitmask_transtbl oflag_tbl[] = {
5858 { TARGET_OPOST, TARGET_OPOST, OPOST, OPOST },
5859 { TARGET_OLCUC, TARGET_OLCUC, OLCUC, OLCUC },
5860 { TARGET_ONLCR, TARGET_ONLCR, ONLCR, ONLCR },
5861 { TARGET_OCRNL, TARGET_OCRNL, OCRNL, OCRNL },
5862 { TARGET_ONOCR, TARGET_ONOCR, ONOCR, ONOCR },
5863 { TARGET_ONLRET, TARGET_ONLRET, ONLRET, ONLRET },
5864 { TARGET_OFILL, TARGET_OFILL, OFILL, OFILL },
5865 { TARGET_OFDEL, TARGET_OFDEL, OFDEL, OFDEL },
5866 { TARGET_NLDLY, TARGET_NL0, NLDLY, NL0 },
5867 { TARGET_NLDLY, TARGET_NL1, NLDLY, NL1 },
5868 { TARGET_CRDLY, TARGET_CR0, CRDLY, CR0 },
5869 { TARGET_CRDLY, TARGET_CR1, CRDLY, CR1 },
5870 { TARGET_CRDLY, TARGET_CR2, CRDLY, CR2 },
5871 { TARGET_CRDLY, TARGET_CR3, CRDLY, CR3 },
5872 { TARGET_TABDLY, TARGET_TAB0, TABDLY, TAB0 },
5873 { TARGET_TABDLY, TARGET_TAB1, TABDLY, TAB1 },
5874 { TARGET_TABDLY, TARGET_TAB2, TABDLY, TAB2 },
5875 { TARGET_TABDLY, TARGET_TAB3, TABDLY, TAB3 },
5876 { TARGET_BSDLY, TARGET_BS0, BSDLY, BS0 },
5877 { TARGET_BSDLY, TARGET_BS1, BSDLY, BS1 },
5878 { TARGET_VTDLY, TARGET_VT0, VTDLY, VT0 },
5879 { TARGET_VTDLY, TARGET_VT1, VTDLY, VT1 },
5880 { TARGET_FFDLY, TARGET_FF0, FFDLY, FF0 },
5881 { TARGET_FFDLY, TARGET_FF1, FFDLY, FF1 },
5882 { 0, 0, 0, 0 }
5883};
5884
5885static const bitmask_transtbl cflag_tbl[] = {
5886 { TARGET_CBAUD, TARGET_B0, CBAUD, B0 },
5887 { TARGET_CBAUD, TARGET_B50, CBAUD, B50 },
5888 { TARGET_CBAUD, TARGET_B75, CBAUD, B75 },
5889 { TARGET_CBAUD, TARGET_B110, CBAUD, B110 },
5890 { TARGET_CBAUD, TARGET_B134, CBAUD, B134 },
5891 { TARGET_CBAUD, TARGET_B150, CBAUD, B150 },
5892 { TARGET_CBAUD, TARGET_B200, CBAUD, B200 },
5893 { TARGET_CBAUD, TARGET_B300, CBAUD, B300 },
5894 { TARGET_CBAUD, TARGET_B600, CBAUD, B600 },
5895 { TARGET_CBAUD, TARGET_B1200, CBAUD, B1200 },
5896 { TARGET_CBAUD, TARGET_B1800, CBAUD, B1800 },
5897 { TARGET_CBAUD, TARGET_B2400, CBAUD, B2400 },
5898 { TARGET_CBAUD, TARGET_B4800, CBAUD, B4800 },
5899 { TARGET_CBAUD, TARGET_B9600, CBAUD, B9600 },
5900 { TARGET_CBAUD, TARGET_B19200, CBAUD, B19200 },
5901 { TARGET_CBAUD, TARGET_B38400, CBAUD, B38400 },
5902 { TARGET_CBAUD, TARGET_B57600, CBAUD, B57600 },
5903 { TARGET_CBAUD, TARGET_B115200, CBAUD, B115200 },
5904 { TARGET_CBAUD, TARGET_B230400, CBAUD, B230400 },
5905 { TARGET_CBAUD, TARGET_B460800, CBAUD, B460800 },
5906 { TARGET_CSIZE, TARGET_CS5, CSIZE, CS5 },
5907 { TARGET_CSIZE, TARGET_CS6, CSIZE, CS6 },
5908 { TARGET_CSIZE, TARGET_CS7, CSIZE, CS7 },
5909 { TARGET_CSIZE, TARGET_CS8, CSIZE, CS8 },
5910 { TARGET_CSTOPB, TARGET_CSTOPB, CSTOPB, CSTOPB },
5911 { TARGET_CREAD, TARGET_CREAD, CREAD, CREAD },
5912 { TARGET_PARENB, TARGET_PARENB, PARENB, PARENB },
5913 { TARGET_PARODD, TARGET_PARODD, PARODD, PARODD },
5914 { TARGET_HUPCL, TARGET_HUPCL, HUPCL, HUPCL },
5915 { TARGET_CLOCAL, TARGET_CLOCAL, CLOCAL, CLOCAL },
5916 { TARGET_CRTSCTS, TARGET_CRTSCTS, CRTSCTS, CRTSCTS },
5917 { 0, 0, 0, 0 }
5918};
5919
5920static const bitmask_transtbl lflag_tbl[] = {
5921 { TARGET_ISIG, TARGET_ISIG, ISIG, ISIG },
5922 { TARGET_ICANON, TARGET_ICANON, ICANON, ICANON },
5923 { TARGET_XCASE, TARGET_XCASE, XCASE, XCASE },
5924 { TARGET_ECHO, TARGET_ECHO, ECHO, ECHO },
5925 { TARGET_ECHOE, TARGET_ECHOE, ECHOE, ECHOE },
5926 { TARGET_ECHOK, TARGET_ECHOK, ECHOK, ECHOK },
5927 { TARGET_ECHONL, TARGET_ECHONL, ECHONL, ECHONL },
5928 { TARGET_NOFLSH, TARGET_NOFLSH, NOFLSH, NOFLSH },
5929 { TARGET_TOSTOP, TARGET_TOSTOP, TOSTOP, TOSTOP },
5930 { TARGET_ECHOCTL, TARGET_ECHOCTL, ECHOCTL, ECHOCTL },
5931 { TARGET_ECHOPRT, TARGET_ECHOPRT, ECHOPRT, ECHOPRT },
5932 { TARGET_ECHOKE, TARGET_ECHOKE, ECHOKE, ECHOKE },
5933 { TARGET_FLUSHO, TARGET_FLUSHO, FLUSHO, FLUSHO },
5934 { TARGET_PENDIN, TARGET_PENDIN, PENDIN, PENDIN },
5935 { TARGET_IEXTEN, TARGET_IEXTEN, IEXTEN, IEXTEN },
5936 { TARGET_EXTPROC, TARGET_EXTPROC, EXTPROC, EXTPROC},
5937 { 0, 0, 0, 0 }
5938};
5939
5940static void target_to_host_termios (void *dst, const void *src)
5941{
5942 struct host_termios *host = dst;
5943 const struct target_termios *target = src;
5944
5945 host->c_iflag =
5946 target_to_host_bitmask(tswap32(target->c_iflag), iflag_tbl);
5947 host->c_oflag =
5948 target_to_host_bitmask(tswap32(target->c_oflag), oflag_tbl);
5949 host->c_cflag =
5950 target_to_host_bitmask(tswap32(target->c_cflag), cflag_tbl);
5951 host->c_lflag =
5952 target_to_host_bitmask(tswap32(target->c_lflag), lflag_tbl);
5953 host->c_line = target->c_line;
5954
5955 memset(host->c_cc, 0, sizeof(host->c_cc));
5956 host->c_cc[VINTR] = target->c_cc[TARGET_VINTR];
5957 host->c_cc[VQUIT] = target->c_cc[TARGET_VQUIT];
5958 host->c_cc[VERASE] = target->c_cc[TARGET_VERASE];
5959 host->c_cc[VKILL] = target->c_cc[TARGET_VKILL];
5960 host->c_cc[VEOF] = target->c_cc[TARGET_VEOF];
5961 host->c_cc[VTIME] = target->c_cc[TARGET_VTIME];
5962 host->c_cc[VMIN] = target->c_cc[TARGET_VMIN];
5963 host->c_cc[VSWTC] = target->c_cc[TARGET_VSWTC];
5964 host->c_cc[VSTART] = target->c_cc[TARGET_VSTART];
5965 host->c_cc[VSTOP] = target->c_cc[TARGET_VSTOP];
5966 host->c_cc[VSUSP] = target->c_cc[TARGET_VSUSP];
5967 host->c_cc[VEOL] = target->c_cc[TARGET_VEOL];
5968 host->c_cc[VREPRINT] = target->c_cc[TARGET_VREPRINT];
5969 host->c_cc[VDISCARD] = target->c_cc[TARGET_VDISCARD];
5970 host->c_cc[VWERASE] = target->c_cc[TARGET_VWERASE];
5971 host->c_cc[VLNEXT] = target->c_cc[TARGET_VLNEXT];
5972 host->c_cc[VEOL2] = target->c_cc[TARGET_VEOL2];
5973}
5974
5975static void host_to_target_termios (void *dst, const void *src)
5976{
5977 struct target_termios *target = dst;
5978 const struct host_termios *host = src;
5979
5980 target->c_iflag =
5981 tswap32(host_to_target_bitmask(host->c_iflag, iflag_tbl));
5982 target->c_oflag =
5983 tswap32(host_to_target_bitmask(host->c_oflag, oflag_tbl));
5984 target->c_cflag =
5985 tswap32(host_to_target_bitmask(host->c_cflag, cflag_tbl));
5986 target->c_lflag =
5987 tswap32(host_to_target_bitmask(host->c_lflag, lflag_tbl));
5988 target->c_line = host->c_line;
5989
5990 memset(target->c_cc, 0, sizeof(target->c_cc));
5991 target->c_cc[TARGET_VINTR] = host->c_cc[VINTR];
5992 target->c_cc[TARGET_VQUIT] = host->c_cc[VQUIT];
5993 target->c_cc[TARGET_VERASE] = host->c_cc[VERASE];
5994 target->c_cc[TARGET_VKILL] = host->c_cc[VKILL];
5995 target->c_cc[TARGET_VEOF] = host->c_cc[VEOF];
5996 target->c_cc[TARGET_VTIME] = host->c_cc[VTIME];
5997 target->c_cc[TARGET_VMIN] = host->c_cc[VMIN];
5998 target->c_cc[TARGET_VSWTC] = host->c_cc[VSWTC];
5999 target->c_cc[TARGET_VSTART] = host->c_cc[VSTART];
6000 target->c_cc[TARGET_VSTOP] = host->c_cc[VSTOP];
6001 target->c_cc[TARGET_VSUSP] = host->c_cc[VSUSP];
6002 target->c_cc[TARGET_VEOL] = host->c_cc[VEOL];
6003 target->c_cc[TARGET_VREPRINT] = host->c_cc[VREPRINT];
6004 target->c_cc[TARGET_VDISCARD] = host->c_cc[VDISCARD];
6005 target->c_cc[TARGET_VWERASE] = host->c_cc[VWERASE];
6006 target->c_cc[TARGET_VLNEXT] = host->c_cc[VLNEXT];
6007 target->c_cc[TARGET_VEOL2] = host->c_cc[VEOL2];
6008}
6009
6010static const StructEntry struct_termios_def = {
6011 .convert = { host_to_target_termios, target_to_host_termios },
6012 .size = { sizeof(struct target_termios), sizeof(struct host_termios) },
6013 .align = { __alignof__(struct target_termios), __alignof__(struct host_termios) },
6014 .print = print_termios,
6015};
6016
6017static const bitmask_transtbl mmap_flags_tbl[] = {
6018 { TARGET_MAP_SHARED, TARGET_MAP_SHARED, MAP_SHARED, MAP_SHARED },
6019 { TARGET_MAP_PRIVATE, TARGET_MAP_PRIVATE, MAP_PRIVATE, MAP_PRIVATE },
6020 { TARGET_MAP_FIXED, TARGET_MAP_FIXED, MAP_FIXED, MAP_FIXED },
6021 { TARGET_MAP_ANONYMOUS, TARGET_MAP_ANONYMOUS,
6022 MAP_ANONYMOUS, MAP_ANONYMOUS },
6023 { TARGET_MAP_GROWSDOWN, TARGET_MAP_GROWSDOWN,
6024 MAP_GROWSDOWN, MAP_GROWSDOWN },
6025 { TARGET_MAP_DENYWRITE, TARGET_MAP_DENYWRITE,
6026 MAP_DENYWRITE, MAP_DENYWRITE },
6027 { TARGET_MAP_EXECUTABLE, TARGET_MAP_EXECUTABLE,
6028 MAP_EXECUTABLE, MAP_EXECUTABLE },
6029 { TARGET_MAP_LOCKED, TARGET_MAP_LOCKED, MAP_LOCKED, MAP_LOCKED },
6030 { TARGET_MAP_NORESERVE, TARGET_MAP_NORESERVE,
6031 MAP_NORESERVE, MAP_NORESERVE },
6032 { TARGET_MAP_HUGETLB, TARGET_MAP_HUGETLB, MAP_HUGETLB, MAP_HUGETLB },
6033
6034
6035
6036 { TARGET_MAP_STACK, TARGET_MAP_STACK, 0, 0 },
6037 { 0, 0, 0, 0 }
6038};
6039
6040
6041
6042
6043
6044#if defined(TARGET_I386)
6045
6046
6047static uint8_t *ldt_table;
6048
6049static abi_long read_ldt(abi_ulong ptr, unsigned long bytecount)
6050{
6051 int size;
6052 void *p;
6053
6054 if (!ldt_table)
6055 return 0;
6056 size = TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE;
6057 if (size > bytecount)
6058 size = bytecount;
6059 p = lock_user(VERIFY_WRITE, ptr, size, 0);
6060 if (!p)
6061 return -TARGET_EFAULT;
6062
6063 memcpy(p, ldt_table, size);
6064 unlock_user(p, ptr, size);
6065 return size;
6066}
6067
6068
6069static abi_long write_ldt(CPUX86State *env,
6070 abi_ulong ptr, unsigned long bytecount, int oldmode)
6071{
6072 struct target_modify_ldt_ldt_s ldt_info;
6073 struct target_modify_ldt_ldt_s *target_ldt_info;
6074 int seg_32bit, contents, read_exec_only, limit_in_pages;
6075 int seg_not_present, useable, lm;
6076 uint32_t *lp, entry_1, entry_2;
6077
6078 if (bytecount != sizeof(ldt_info))
6079 return -TARGET_EINVAL;
6080 if (!lock_user_struct(VERIFY_READ, target_ldt_info, ptr, 1))
6081 return -TARGET_EFAULT;
6082 ldt_info.entry_number = tswap32(target_ldt_info->entry_number);
6083 ldt_info.base_addr = tswapal(target_ldt_info->base_addr);
6084 ldt_info.limit = tswap32(target_ldt_info->limit);
6085 ldt_info.flags = tswap32(target_ldt_info->flags);
6086 unlock_user_struct(target_ldt_info, ptr, 0);
6087
6088 if (ldt_info.entry_number >= TARGET_LDT_ENTRIES)
6089 return -TARGET_EINVAL;
6090 seg_32bit = ldt_info.flags & 1;
6091 contents = (ldt_info.flags >> 1) & 3;
6092 read_exec_only = (ldt_info.flags >> 3) & 1;
6093 limit_in_pages = (ldt_info.flags >> 4) & 1;
6094 seg_not_present = (ldt_info.flags >> 5) & 1;
6095 useable = (ldt_info.flags >> 6) & 1;
6096#ifdef TARGET_ABI32
6097 lm = 0;
6098#else
6099 lm = (ldt_info.flags >> 7) & 1;
6100#endif
6101 if (contents == 3) {
6102 if (oldmode)
6103 return -TARGET_EINVAL;
6104 if (seg_not_present == 0)
6105 return -TARGET_EINVAL;
6106 }
6107
6108 if (!ldt_table) {
6109 env->ldt.base = target_mmap(0,
6110 TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE,
6111 PROT_READ|PROT_WRITE,
6112 MAP_ANONYMOUS|MAP_PRIVATE, -1, 0);
6113 if (env->ldt.base == -1)
6114 return -TARGET_ENOMEM;
6115 memset(g2h_untagged(env->ldt.base), 0,
6116 TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE);
6117 env->ldt.limit = 0xffff;
6118 ldt_table = g2h_untagged(env->ldt.base);
6119 }
6120
6121
6122
6123 if (ldt_info.base_addr == 0 && ldt_info.limit == 0) {
6124 if (oldmode ||
6125 (contents == 0 &&
6126 read_exec_only == 1 &&
6127 seg_32bit == 0 &&
6128 limit_in_pages == 0 &&
6129 seg_not_present == 1 &&
6130 useable == 0 )) {
6131 entry_1 = 0;
6132 entry_2 = 0;
6133 goto install;
6134 }
6135 }
6136
6137 entry_1 = ((ldt_info.base_addr & 0x0000ffff) << 16) |
6138 (ldt_info.limit & 0x0ffff);
6139 entry_2 = (ldt_info.base_addr & 0xff000000) |
6140 ((ldt_info.base_addr & 0x00ff0000) >> 16) |
6141 (ldt_info.limit & 0xf0000) |
6142 ((read_exec_only ^ 1) << 9) |
6143 (contents << 10) |
6144 ((seg_not_present ^ 1) << 15) |
6145 (seg_32bit << 22) |
6146 (limit_in_pages << 23) |
6147 (lm << 21) |
6148 0x7000;
6149 if (!oldmode)
6150 entry_2 |= (useable << 20);
6151
6152
6153install:
6154 lp = (uint32_t *)(ldt_table + (ldt_info.entry_number << 3));
6155 lp[0] = tswap32(entry_1);
6156 lp[1] = tswap32(entry_2);
6157 return 0;
6158}
6159
6160
6161static abi_long do_modify_ldt(CPUX86State *env, int func, abi_ulong ptr,
6162 unsigned long bytecount)
6163{
6164 abi_long ret;
6165
6166 switch (func) {
6167 case 0:
6168 ret = read_ldt(ptr, bytecount);
6169 break;
6170 case 1:
6171 ret = write_ldt(env, ptr, bytecount, 1);
6172 break;
6173 case 0x11:
6174 ret = write_ldt(env, ptr, bytecount, 0);
6175 break;
6176 default:
6177 ret = -TARGET_ENOSYS;
6178 break;
6179 }
6180 return ret;
6181}
6182
6183#if defined(TARGET_ABI32)
6184abi_long do_set_thread_area(CPUX86State *env, abi_ulong ptr)
6185{
6186 uint64_t *gdt_table = g2h_untagged(env->gdt.base);
6187 struct target_modify_ldt_ldt_s ldt_info;
6188 struct target_modify_ldt_ldt_s *target_ldt_info;
6189 int seg_32bit, contents, read_exec_only, limit_in_pages;
6190 int seg_not_present, useable, lm;
6191 uint32_t *lp, entry_1, entry_2;
6192 int i;
6193
6194 lock_user_struct(VERIFY_WRITE, target_ldt_info, ptr, 1);
6195 if (!target_ldt_info)
6196 return -TARGET_EFAULT;
6197 ldt_info.entry_number = tswap32(target_ldt_info->entry_number);
6198 ldt_info.base_addr = tswapal(target_ldt_info->base_addr);
6199 ldt_info.limit = tswap32(target_ldt_info->limit);
6200 ldt_info.flags = tswap32(target_ldt_info->flags);
6201 if (ldt_info.entry_number == -1) {
6202 for (i=TARGET_GDT_ENTRY_TLS_MIN; i<=TARGET_GDT_ENTRY_TLS_MAX; i++) {
6203 if (gdt_table[i] == 0) {
6204 ldt_info.entry_number = i;
6205 target_ldt_info->entry_number = tswap32(i);
6206 break;
6207 }
6208 }
6209 }
6210 unlock_user_struct(target_ldt_info, ptr, 1);
6211
6212 if (ldt_info.entry_number < TARGET_GDT_ENTRY_TLS_MIN ||
6213 ldt_info.entry_number > TARGET_GDT_ENTRY_TLS_MAX)
6214 return -TARGET_EINVAL;
6215 seg_32bit = ldt_info.flags & 1;
6216 contents = (ldt_info.flags >> 1) & 3;
6217 read_exec_only = (ldt_info.flags >> 3) & 1;
6218 limit_in_pages = (ldt_info.flags >> 4) & 1;
6219 seg_not_present = (ldt_info.flags >> 5) & 1;
6220 useable = (ldt_info.flags >> 6) & 1;
6221#ifdef TARGET_ABI32
6222 lm = 0;
6223#else
6224 lm = (ldt_info.flags >> 7) & 1;
6225#endif
6226
6227 if (contents == 3) {
6228 if (seg_not_present == 0)
6229 return -TARGET_EINVAL;
6230 }
6231
6232
6233
6234 if (ldt_info.base_addr == 0 && ldt_info.limit == 0) {
6235 if ((contents == 0 &&
6236 read_exec_only == 1 &&
6237 seg_32bit == 0 &&
6238 limit_in_pages == 0 &&
6239 seg_not_present == 1 &&
6240 useable == 0 )) {
6241 entry_1 = 0;
6242 entry_2 = 0;
6243 goto install;
6244 }
6245 }
6246
6247 entry_1 = ((ldt_info.base_addr & 0x0000ffff) << 16) |
6248 (ldt_info.limit & 0x0ffff);
6249 entry_2 = (ldt_info.base_addr & 0xff000000) |
6250 ((ldt_info.base_addr & 0x00ff0000) >> 16) |
6251 (ldt_info.limit & 0xf0000) |
6252 ((read_exec_only ^ 1) << 9) |
6253 (contents << 10) |
6254 ((seg_not_present ^ 1) << 15) |
6255 (seg_32bit << 22) |
6256 (limit_in_pages << 23) |
6257 (useable << 20) |
6258 (lm << 21) |
6259 0x7000;
6260
6261
6262install:
6263 lp = (uint32_t *)(gdt_table + ldt_info.entry_number);
6264 lp[0] = tswap32(entry_1);
6265 lp[1] = tswap32(entry_2);
6266 return 0;
6267}
6268
6269static abi_long do_get_thread_area(CPUX86State *env, abi_ulong ptr)
6270{
6271 struct target_modify_ldt_ldt_s *target_ldt_info;
6272 uint64_t *gdt_table = g2h_untagged(env->gdt.base);
6273 uint32_t base_addr, limit, flags;
6274 int seg_32bit, contents, read_exec_only, limit_in_pages, idx;
6275 int seg_not_present, useable, lm;
6276 uint32_t *lp, entry_1, entry_2;
6277
6278 lock_user_struct(VERIFY_WRITE, target_ldt_info, ptr, 1);
6279 if (!target_ldt_info)
6280 return -TARGET_EFAULT;
6281 idx = tswap32(target_ldt_info->entry_number);
6282 if (idx < TARGET_GDT_ENTRY_TLS_MIN ||
6283 idx > TARGET_GDT_ENTRY_TLS_MAX) {
6284 unlock_user_struct(target_ldt_info, ptr, 1);
6285 return -TARGET_EINVAL;
6286 }
6287 lp = (uint32_t *)(gdt_table + idx);
6288 entry_1 = tswap32(lp[0]);
6289 entry_2 = tswap32(lp[1]);
6290
6291 read_exec_only = ((entry_2 >> 9) & 1) ^ 1;
6292 contents = (entry_2 >> 10) & 3;
6293 seg_not_present = ((entry_2 >> 15) & 1) ^ 1;
6294 seg_32bit = (entry_2 >> 22) & 1;
6295 limit_in_pages = (entry_2 >> 23) & 1;
6296 useable = (entry_2 >> 20) & 1;
6297#ifdef TARGET_ABI32
6298 lm = 0;
6299#else
6300 lm = (entry_2 >> 21) & 1;
6301#endif
6302 flags = (seg_32bit << 0) | (contents << 1) |
6303 (read_exec_only << 3) | (limit_in_pages << 4) |
6304 (seg_not_present << 5) | (useable << 6) | (lm << 7);
6305 limit = (entry_1 & 0xffff) | (entry_2 & 0xf0000);
6306 base_addr = (entry_1 >> 16) |
6307 (entry_2 & 0xff000000) |
6308 ((entry_2 & 0xff) << 16);
6309 target_ldt_info->base_addr = tswapal(base_addr);
6310 target_ldt_info->limit = tswap32(limit);
6311 target_ldt_info->flags = tswap32(flags);
6312 unlock_user_struct(target_ldt_info, ptr, 1);
6313 return 0;
6314}
6315
6316abi_long do_arch_prctl(CPUX86State *env, int code, abi_ulong addr)
6317{
6318 return -TARGET_ENOSYS;
6319}
6320#else
6321abi_long do_arch_prctl(CPUX86State *env, int code, abi_ulong addr)
6322{
6323 abi_long ret = 0;
6324 abi_ulong val;
6325 int idx;
6326
6327 switch(code) {
6328 case TARGET_ARCH_SET_GS:
6329 case TARGET_ARCH_SET_FS:
6330 if (code == TARGET_ARCH_SET_GS)
6331 idx = R_GS;
6332 else
6333 idx = R_FS;
6334 cpu_x86_load_seg(env, idx, 0);
6335 env->segs[idx].base = addr;
6336 break;
6337 case TARGET_ARCH_GET_GS:
6338 case TARGET_ARCH_GET_FS:
6339 if (code == TARGET_ARCH_GET_GS)
6340 idx = R_GS;
6341 else
6342 idx = R_FS;
6343 val = env->segs[idx].base;
6344 if (put_user(val, addr, abi_ulong))
6345 ret = -TARGET_EFAULT;
6346 break;
6347 default:
6348 ret = -TARGET_EINVAL;
6349 break;
6350 }
6351 return ret;
6352}
6353#endif
6354#endif
6355
6356
6357
6358
6359#ifndef PR_SET_NAME
6360# define PR_SET_NAME 15
6361# define PR_GET_NAME 16
6362#endif
6363#ifndef PR_SET_FP_MODE
6364# define PR_SET_FP_MODE 45
6365# define PR_GET_FP_MODE 46
6366# define PR_FP_MODE_FR (1 << 0)
6367# define PR_FP_MODE_FRE (1 << 1)
6368#endif
6369#ifndef PR_SVE_SET_VL
6370# define PR_SVE_SET_VL 50
6371# define PR_SVE_GET_VL 51
6372# define PR_SVE_VL_LEN_MASK 0xffff
6373# define PR_SVE_VL_INHERIT (1 << 17)
6374#endif
6375#ifndef PR_PAC_RESET_KEYS
6376# define PR_PAC_RESET_KEYS 54
6377# define PR_PAC_APIAKEY (1 << 0)
6378# define PR_PAC_APIBKEY (1 << 1)
6379# define PR_PAC_APDAKEY (1 << 2)
6380# define PR_PAC_APDBKEY (1 << 3)
6381# define PR_PAC_APGAKEY (1 << 4)
6382#endif
6383#ifndef PR_SET_TAGGED_ADDR_CTRL
6384# define PR_SET_TAGGED_ADDR_CTRL 55
6385# define PR_GET_TAGGED_ADDR_CTRL 56
6386# define PR_TAGGED_ADDR_ENABLE (1UL << 0)
6387#endif
6388#ifndef PR_MTE_TCF_SHIFT
6389# define PR_MTE_TCF_SHIFT 1
6390# define PR_MTE_TCF_NONE (0UL << PR_MTE_TCF_SHIFT)
6391# define PR_MTE_TCF_SYNC (1UL << PR_MTE_TCF_SHIFT)
6392# define PR_MTE_TCF_ASYNC (2UL << PR_MTE_TCF_SHIFT)
6393# define PR_MTE_TCF_MASK (3UL << PR_MTE_TCF_SHIFT)
6394# define PR_MTE_TAG_SHIFT 3
6395# define PR_MTE_TAG_MASK (0xffffUL << PR_MTE_TAG_SHIFT)
6396#endif
6397#ifndef PR_SET_IO_FLUSHER
6398# define PR_SET_IO_FLUSHER 57
6399# define PR_GET_IO_FLUSHER 58
6400#endif
6401#ifndef PR_SET_SYSCALL_USER_DISPATCH
6402# define PR_SET_SYSCALL_USER_DISPATCH 59
6403#endif
6404#ifndef PR_SME_SET_VL
6405# define PR_SME_SET_VL 63
6406# define PR_SME_GET_VL 64
6407# define PR_SME_VL_LEN_MASK 0xffff
6408# define PR_SME_VL_INHERIT (1 << 17)
6409#endif
6410
6411#include "target_prctl.h"
6412
6413static abi_long do_prctl_inval0(CPUArchState *env)
6414{
6415 return -TARGET_EINVAL;
6416}
6417
6418static abi_long do_prctl_inval1(CPUArchState *env, abi_long arg2)
6419{
6420 return -TARGET_EINVAL;
6421}
6422
6423#ifndef do_prctl_get_fp_mode
6424#define do_prctl_get_fp_mode do_prctl_inval0
6425#endif
6426#ifndef do_prctl_set_fp_mode
6427#define do_prctl_set_fp_mode do_prctl_inval1
6428#endif
6429#ifndef do_prctl_sve_get_vl
6430#define do_prctl_sve_get_vl do_prctl_inval0
6431#endif
6432#ifndef do_prctl_sve_set_vl
6433#define do_prctl_sve_set_vl do_prctl_inval1
6434#endif
6435#ifndef do_prctl_reset_keys
6436#define do_prctl_reset_keys do_prctl_inval1
6437#endif
6438#ifndef do_prctl_set_tagged_addr_ctrl
6439#define do_prctl_set_tagged_addr_ctrl do_prctl_inval1
6440#endif
6441#ifndef do_prctl_get_tagged_addr_ctrl
6442#define do_prctl_get_tagged_addr_ctrl do_prctl_inval0
6443#endif
6444#ifndef do_prctl_get_unalign
6445#define do_prctl_get_unalign do_prctl_inval1
6446#endif
6447#ifndef do_prctl_set_unalign
6448#define do_prctl_set_unalign do_prctl_inval1
6449#endif
6450#ifndef do_prctl_sme_get_vl
6451#define do_prctl_sme_get_vl do_prctl_inval0
6452#endif
6453#ifndef do_prctl_sme_set_vl
6454#define do_prctl_sme_set_vl do_prctl_inval1
6455#endif
6456
6457static abi_long do_prctl(CPUArchState *env, abi_long option, abi_long arg2,
6458 abi_long arg3, abi_long arg4, abi_long arg5)
6459{
6460 abi_long ret;
6461
6462 switch (option) {
6463 case PR_GET_PDEATHSIG:
6464 {
6465 int deathsig;
6466 ret = get_errno(prctl(PR_GET_PDEATHSIG, &deathsig,
6467 arg3, arg4, arg5));
6468 if (!is_error(ret) &&
6469 put_user_s32(host_to_target_signal(deathsig), arg2)) {
6470 return -TARGET_EFAULT;
6471 }
6472 return ret;
6473 }
6474 case PR_SET_PDEATHSIG:
6475 return get_errno(prctl(PR_SET_PDEATHSIG, target_to_host_signal(arg2),
6476 arg3, arg4, arg5));
6477 case PR_GET_NAME:
6478 {
6479 void *name = lock_user(VERIFY_WRITE, arg2, 16, 1);
6480 if (!name) {
6481 return -TARGET_EFAULT;
6482 }
6483 ret = get_errno(prctl(PR_GET_NAME, (uintptr_t)name,
6484 arg3, arg4, arg5));
6485 unlock_user(name, arg2, 16);
6486 return ret;
6487 }
6488 case PR_SET_NAME:
6489 {
6490 void *name = lock_user(VERIFY_READ, arg2, 16, 1);
6491 if (!name) {
6492 return -TARGET_EFAULT;
6493 }
6494 ret = get_errno(prctl(PR_SET_NAME, (uintptr_t)name,
6495 arg3, arg4, arg5));
6496 unlock_user(name, arg2, 0);
6497 return ret;
6498 }
6499 case PR_GET_FP_MODE:
6500 return do_prctl_get_fp_mode(env);
6501 case PR_SET_FP_MODE:
6502 return do_prctl_set_fp_mode(env, arg2);
6503 case PR_SVE_GET_VL:
6504 return do_prctl_sve_get_vl(env);
6505 case PR_SVE_SET_VL:
6506 return do_prctl_sve_set_vl(env, arg2);
6507 case PR_SME_GET_VL:
6508 return do_prctl_sme_get_vl(env);
6509 case PR_SME_SET_VL:
6510 return do_prctl_sme_set_vl(env, arg2);
6511 case PR_PAC_RESET_KEYS:
6512 if (arg3 || arg4 || arg5) {
6513 return -TARGET_EINVAL;
6514 }
6515 return do_prctl_reset_keys(env, arg2);
6516 case PR_SET_TAGGED_ADDR_CTRL:
6517 if (arg3 || arg4 || arg5) {
6518 return -TARGET_EINVAL;
6519 }
6520 return do_prctl_set_tagged_addr_ctrl(env, arg2);
6521 case PR_GET_TAGGED_ADDR_CTRL:
6522 if (arg2 || arg3 || arg4 || arg5) {
6523 return -TARGET_EINVAL;
6524 }
6525 return do_prctl_get_tagged_addr_ctrl(env);
6526
6527 case PR_GET_UNALIGN:
6528 return do_prctl_get_unalign(env, arg2);
6529 case PR_SET_UNALIGN:
6530 return do_prctl_set_unalign(env, arg2);
6531
6532 case PR_CAP_AMBIENT:
6533 case PR_CAPBSET_READ:
6534 case PR_CAPBSET_DROP:
6535 case PR_GET_DUMPABLE:
6536 case PR_SET_DUMPABLE:
6537 case PR_GET_KEEPCAPS:
6538 case PR_SET_KEEPCAPS:
6539 case PR_GET_SECUREBITS:
6540 case PR_SET_SECUREBITS:
6541 case PR_GET_TIMING:
6542 case PR_SET_TIMING:
6543 case PR_GET_TIMERSLACK:
6544 case PR_SET_TIMERSLACK:
6545 case PR_MCE_KILL:
6546 case PR_MCE_KILL_GET:
6547 case PR_GET_NO_NEW_PRIVS:
6548 case PR_SET_NO_NEW_PRIVS:
6549 case PR_GET_IO_FLUSHER:
6550 case PR_SET_IO_FLUSHER:
6551
6552 return get_errno(prctl(option, arg2, arg3, arg4, arg5));
6553
6554 case PR_GET_CHILD_SUBREAPER:
6555 case PR_SET_CHILD_SUBREAPER:
6556 case PR_GET_SPECULATION_CTRL:
6557 case PR_SET_SPECULATION_CTRL:
6558 case PR_GET_TID_ADDRESS:
6559
6560 return -TARGET_EINVAL;
6561
6562 case PR_GET_FPEXC:
6563 case PR_SET_FPEXC:
6564
6565 return -TARGET_EINVAL;
6566
6567 case PR_GET_ENDIAN:
6568 case PR_SET_ENDIAN:
6569 case PR_GET_FPEMU:
6570 case PR_SET_FPEMU:
6571 case PR_SET_MM:
6572 case PR_GET_SECCOMP:
6573 case PR_SET_SECCOMP:
6574 case PR_SET_SYSCALL_USER_DISPATCH:
6575 case PR_GET_THP_DISABLE:
6576 case PR_SET_THP_DISABLE:
6577 case PR_GET_TSC:
6578 case PR_SET_TSC:
6579
6580 return -TARGET_EINVAL;
6581
6582 default:
6583 qemu_log_mask(LOG_UNIMP, "Unsupported prctl: " TARGET_ABI_FMT_ld "\n",
6584 option);
6585 return -TARGET_EINVAL;
6586 }
6587}
6588
6589#define NEW_STACK_SIZE 0x40000
6590
6591
6592static pthread_mutex_t clone_lock = PTHREAD_MUTEX_INITIALIZER;
6593typedef struct {
6594 CPUArchState *env;
6595 pthread_mutex_t mutex;
6596 pthread_cond_t cond;
6597 pthread_t thread;
6598 uint32_t tid;
6599 abi_ulong child_tidptr;
6600 abi_ulong parent_tidptr;
6601 sigset_t sigmask;
6602} new_thread_info;
6603
6604static void *clone_func(void *arg)
6605{
6606 new_thread_info *info = arg;
6607 CPUArchState *env;
6608 CPUState *cpu;
6609 TaskState *ts;
6610
6611 rcu_register_thread();
6612 tcg_register_thread();
6613 env = info->env;
6614 cpu = env_cpu(env);
6615 thread_cpu = cpu;
6616 ts = (TaskState *)cpu->opaque;
6617 info->tid = sys_gettid();
6618 task_settid(ts);
6619 if (info->child_tidptr)
6620 put_user_u32(info->tid, info->child_tidptr);
6621 if (info->parent_tidptr)
6622 put_user_u32(info->tid, info->parent_tidptr);
6623 qemu_guest_random_seed_thread_part2(cpu->random_seed);
6624
6625 sigprocmask(SIG_SETMASK, &info->sigmask, NULL);
6626
6627 pthread_mutex_lock(&info->mutex);
6628 pthread_cond_broadcast(&info->cond);
6629 pthread_mutex_unlock(&info->mutex);
6630
6631 pthread_mutex_lock(&clone_lock);
6632 pthread_mutex_unlock(&clone_lock);
6633 cpu_loop(env);
6634
6635 return NULL;
6636}
6637
6638
6639
6640static int do_fork(CPUArchState *env, unsigned int flags, abi_ulong newsp,
6641 abi_ulong parent_tidptr, target_ulong newtls,
6642 abi_ulong child_tidptr)
6643{
6644 CPUState *cpu = env_cpu(env);
6645 int ret;
6646 TaskState *ts;
6647 CPUState *new_cpu;
6648 CPUArchState *new_env;
6649 sigset_t sigmask;
6650
6651 flags &= ~CLONE_IGNORED_FLAGS;
6652
6653
6654 if (flags & CLONE_VFORK)
6655 flags &= ~(CLONE_VFORK | CLONE_VM);
6656
6657 if (flags & CLONE_VM) {
6658 TaskState *parent_ts = (TaskState *)cpu->opaque;
6659 new_thread_info info;
6660 pthread_attr_t attr;
6661
6662 if (((flags & CLONE_THREAD_FLAGS) != CLONE_THREAD_FLAGS) ||
6663 (flags & CLONE_INVALID_THREAD_FLAGS)) {
6664 return -TARGET_EINVAL;
6665 }
6666
6667 ts = g_new0(TaskState, 1);
6668 init_task_state(ts);
6669
6670
6671 pthread_mutex_lock(&clone_lock);
6672
6673
6674
6675
6676
6677
6678 if (!(cpu->tcg_cflags & CF_PARALLEL)) {
6679 cpu->tcg_cflags |= CF_PARALLEL;
6680 tb_flush(cpu);
6681 }
6682
6683
6684 new_env = cpu_copy(env);
6685
6686 cpu_clone_regs_child(new_env, newsp, flags);
6687 cpu_clone_regs_parent(env, flags);
6688 new_cpu = env_cpu(new_env);
6689 new_cpu->opaque = ts;
6690 ts->bprm = parent_ts->bprm;
6691 ts->info = parent_ts->info;
6692 ts->signal_mask = parent_ts->signal_mask;
6693
6694 if (flags & CLONE_CHILD_CLEARTID) {
6695 ts->child_tidptr = child_tidptr;
6696 }
6697
6698 if (flags & CLONE_SETTLS) {
6699 cpu_set_tls (new_env, newtls);
6700 }
6701
6702 memset(&info, 0, sizeof(info));
6703 pthread_mutex_init(&info.mutex, NULL);
6704 pthread_mutex_lock(&info.mutex);
6705 pthread_cond_init(&info.cond, NULL);
6706 info.env = new_env;
6707 if (flags & CLONE_CHILD_SETTID) {
6708 info.child_tidptr = child_tidptr;
6709 }
6710 if (flags & CLONE_PARENT_SETTID) {
6711 info.parent_tidptr = parent_tidptr;
6712 }
6713
6714 ret = pthread_attr_init(&attr);
6715 ret = pthread_attr_setstacksize(&attr, NEW_STACK_SIZE);
6716 ret = pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED);
6717
6718
6719 sigfillset(&sigmask);
6720 sigprocmask(SIG_BLOCK, &sigmask, &info.sigmask);
6721 cpu->random_seed = qemu_guest_random_seed_thread_part1();
6722
6723 ret = pthread_create(&info.thread, &attr, clone_func, &info);
6724
6725
6726 sigprocmask(SIG_SETMASK, &info.sigmask, NULL);
6727 pthread_attr_destroy(&attr);
6728 if (ret == 0) {
6729
6730 pthread_cond_wait(&info.cond, &info.mutex);
6731 ret = info.tid;
6732 } else {
6733 ret = -1;
6734 }
6735 pthread_mutex_unlock(&info.mutex);
6736 pthread_cond_destroy(&info.cond);
6737 pthread_mutex_destroy(&info.mutex);
6738 pthread_mutex_unlock(&clone_lock);
6739 } else {
6740
6741 if (flags & CLONE_INVALID_FORK_FLAGS) {
6742 return -TARGET_EINVAL;
6743 }
6744
6745
6746 if ((flags & CSIGNAL) != TARGET_SIGCHLD) {
6747 return -TARGET_EINVAL;
6748 }
6749
6750 if (block_signals()) {
6751 return -QEMU_ERESTARTSYS;
6752 }
6753
6754 fork_start();
6755 ret = fork();
6756 if (ret == 0) {
6757
6758 cpu_clone_regs_child(env, newsp, flags);
6759 fork_end(1);
6760
6761
6762
6763
6764
6765
6766 if (flags & CLONE_CHILD_SETTID)
6767 put_user_u32(sys_gettid(), child_tidptr);
6768 if (flags & CLONE_PARENT_SETTID)
6769 put_user_u32(sys_gettid(), parent_tidptr);
6770 ts = (TaskState *)cpu->opaque;
6771 if (flags & CLONE_SETTLS)
6772 cpu_set_tls (env, newtls);
6773 if (flags & CLONE_CHILD_CLEARTID)
6774 ts->child_tidptr = child_tidptr;
6775 } else {
6776 cpu_clone_regs_parent(env, flags);
6777 fork_end(0);
6778 }
6779 }
6780 return ret;
6781}
6782
6783
6784static int target_to_host_fcntl_cmd(int cmd)
6785{
6786 int ret;
6787
6788 switch(cmd) {
6789 case TARGET_F_DUPFD:
6790 case TARGET_F_GETFD:
6791 case TARGET_F_SETFD:
6792 case TARGET_F_GETFL:
6793 case TARGET_F_SETFL:
6794 case TARGET_F_OFD_GETLK:
6795 case TARGET_F_OFD_SETLK:
6796 case TARGET_F_OFD_SETLKW:
6797 ret = cmd;
6798 break;
6799 case TARGET_F_GETLK:
6800 ret = F_GETLK64;
6801 break;
6802 case TARGET_F_SETLK:
6803 ret = F_SETLK64;
6804 break;
6805 case TARGET_F_SETLKW:
6806 ret = F_SETLKW64;
6807 break;
6808 case TARGET_F_GETOWN:
6809 ret = F_GETOWN;
6810 break;
6811 case TARGET_F_SETOWN:
6812 ret = F_SETOWN;
6813 break;
6814 case TARGET_F_GETSIG:
6815 ret = F_GETSIG;
6816 break;
6817 case TARGET_F_SETSIG:
6818 ret = F_SETSIG;
6819 break;
6820#if TARGET_ABI_BITS == 32
6821 case TARGET_F_GETLK64:
6822 ret = F_GETLK64;
6823 break;
6824 case TARGET_F_SETLK64:
6825 ret = F_SETLK64;
6826 break;
6827 case TARGET_F_SETLKW64:
6828 ret = F_SETLKW64;
6829 break;
6830#endif
6831 case TARGET_F_SETLEASE:
6832 ret = F_SETLEASE;
6833 break;
6834 case TARGET_F_GETLEASE:
6835 ret = F_GETLEASE;
6836 break;
6837#ifdef F_DUPFD_CLOEXEC
6838 case TARGET_F_DUPFD_CLOEXEC:
6839 ret = F_DUPFD_CLOEXEC;
6840 break;
6841#endif
6842 case TARGET_F_NOTIFY:
6843 ret = F_NOTIFY;
6844 break;
6845#ifdef F_GETOWN_EX
6846 case TARGET_F_GETOWN_EX:
6847 ret = F_GETOWN_EX;
6848 break;
6849#endif
6850#ifdef F_SETOWN_EX
6851 case TARGET_F_SETOWN_EX:
6852 ret = F_SETOWN_EX;
6853 break;
6854#endif
6855#ifdef F_SETPIPE_SZ
6856 case TARGET_F_SETPIPE_SZ:
6857 ret = F_SETPIPE_SZ;
6858 break;
6859 case TARGET_F_GETPIPE_SZ:
6860 ret = F_GETPIPE_SZ;
6861 break;
6862#endif
6863#ifdef F_ADD_SEALS
6864 case TARGET_F_ADD_SEALS:
6865 ret = F_ADD_SEALS;
6866 break;
6867 case TARGET_F_GET_SEALS:
6868 ret = F_GET_SEALS;
6869 break;
6870#endif
6871 default:
6872 ret = -TARGET_EINVAL;
6873 break;
6874 }
6875
6876#if defined(__powerpc64__)
6877
6878
6879
6880
6881
6882 if (ret >= F_GETLK64 && ret <= F_SETLKW64) {
6883 ret -= F_GETLK64 - 5;
6884 }
6885#endif
6886
6887 return ret;
6888}
6889
6890#define FLOCK_TRANSTBL \
6891 switch (type) { \
6892 TRANSTBL_CONVERT(F_RDLCK); \
6893 TRANSTBL_CONVERT(F_WRLCK); \
6894 TRANSTBL_CONVERT(F_UNLCK); \
6895 }
6896
6897static int target_to_host_flock(int type)
6898{
6899#define TRANSTBL_CONVERT(a) case TARGET_##a: return a
6900 FLOCK_TRANSTBL
6901#undef TRANSTBL_CONVERT
6902 return -TARGET_EINVAL;
6903}
6904
6905static int host_to_target_flock(int type)
6906{
6907#define TRANSTBL_CONVERT(a) case a: return TARGET_##a
6908 FLOCK_TRANSTBL
6909#undef TRANSTBL_CONVERT
6910
6911
6912
6913 return type;
6914}
6915
6916static inline abi_long copy_from_user_flock(struct flock64 *fl,
6917 abi_ulong target_flock_addr)
6918{
6919 struct target_flock *target_fl;
6920 int l_type;
6921
6922 if (!lock_user_struct(VERIFY_READ, target_fl, target_flock_addr, 1)) {
6923 return -TARGET_EFAULT;
6924 }
6925
6926 __get_user(l_type, &target_fl->l_type);
6927 l_type = target_to_host_flock(l_type);
6928 if (l_type < 0) {
6929 return l_type;
6930 }
6931 fl->l_type = l_type;
6932 __get_user(fl->l_whence, &target_fl->l_whence);
6933 __get_user(fl->l_start, &target_fl->l_start);
6934 __get_user(fl->l_len, &target_fl->l_len);
6935 __get_user(fl->l_pid, &target_fl->l_pid);
6936 unlock_user_struct(target_fl, target_flock_addr, 0);
6937 return 0;
6938}
6939
6940static inline abi_long copy_to_user_flock(abi_ulong target_flock_addr,
6941 const struct flock64 *fl)
6942{
6943 struct target_flock *target_fl;
6944 short l_type;
6945
6946 if (!lock_user_struct(VERIFY_WRITE, target_fl, target_flock_addr, 0)) {
6947 return -TARGET_EFAULT;
6948 }
6949
6950 l_type = host_to_target_flock(fl->l_type);
6951 __put_user(l_type, &target_fl->l_type);
6952 __put_user(fl->l_whence, &target_fl->l_whence);
6953 __put_user(fl->l_start, &target_fl->l_start);
6954 __put_user(fl->l_len, &target_fl->l_len);
6955 __put_user(fl->l_pid, &target_fl->l_pid);
6956 unlock_user_struct(target_fl, target_flock_addr, 1);
6957 return 0;
6958}
6959
6960typedef abi_long from_flock64_fn(struct flock64 *fl, abi_ulong target_addr);
6961typedef abi_long to_flock64_fn(abi_ulong target_addr, const struct flock64 *fl);
6962
6963#if defined(TARGET_ARM) && TARGET_ABI_BITS == 32
6964struct target_oabi_flock64 {
6965 abi_short l_type;
6966 abi_short l_whence;
6967 abi_llong l_start;
6968 abi_llong l_len;
6969 abi_int l_pid;
6970} QEMU_PACKED;
6971
6972static inline abi_long copy_from_user_oabi_flock64(struct flock64 *fl,
6973 abi_ulong target_flock_addr)
6974{
6975 struct target_oabi_flock64 *target_fl;
6976 int l_type;
6977
6978 if (!lock_user_struct(VERIFY_READ, target_fl, target_flock_addr, 1)) {
6979 return -TARGET_EFAULT;
6980 }
6981
6982 __get_user(l_type, &target_fl->l_type);
6983 l_type = target_to_host_flock(l_type);
6984 if (l_type < 0) {
6985 return l_type;
6986 }
6987 fl->l_type = l_type;
6988 __get_user(fl->l_whence, &target_fl->l_whence);
6989 __get_user(fl->l_start, &target_fl->l_start);
6990 __get_user(fl->l_len, &target_fl->l_len);
6991 __get_user(fl->l_pid, &target_fl->l_pid);
6992 unlock_user_struct(target_fl, target_flock_addr, 0);
6993 return 0;
6994}
6995
6996static inline abi_long copy_to_user_oabi_flock64(abi_ulong target_flock_addr,
6997 const struct flock64 *fl)
6998{
6999 struct target_oabi_flock64 *target_fl;
7000 short l_type;
7001
7002 if (!lock_user_struct(VERIFY_WRITE, target_fl, target_flock_addr, 0)) {
7003 return -TARGET_EFAULT;
7004 }
7005
7006 l_type = host_to_target_flock(fl->l_type);
7007 __put_user(l_type, &target_fl->l_type);
7008 __put_user(fl->l_whence, &target_fl->l_whence);
7009 __put_user(fl->l_start, &target_fl->l_start);
7010 __put_user(fl->l_len, &target_fl->l_len);
7011 __put_user(fl->l_pid, &target_fl->l_pid);
7012 unlock_user_struct(target_fl, target_flock_addr, 1);
7013 return 0;
7014}
7015#endif
7016
7017static inline abi_long copy_from_user_flock64(struct flock64 *fl,
7018 abi_ulong target_flock_addr)
7019{
7020 struct target_flock64 *target_fl;
7021 int l_type;
7022
7023 if (!lock_user_struct(VERIFY_READ, target_fl, target_flock_addr, 1)) {
7024 return -TARGET_EFAULT;
7025 }
7026
7027 __get_user(l_type, &target_fl->l_type);
7028 l_type = target_to_host_flock(l_type);
7029 if (l_type < 0) {
7030 return l_type;
7031 }
7032 fl->l_type = l_type;
7033 __get_user(fl->l_whence, &target_fl->l_whence);
7034 __get_user(fl->l_start, &target_fl->l_start);
7035 __get_user(fl->l_len, &target_fl->l_len);
7036 __get_user(fl->l_pid, &target_fl->l_pid);
7037 unlock_user_struct(target_fl, target_flock_addr, 0);
7038 return 0;
7039}
7040
7041static inline abi_long copy_to_user_flock64(abi_ulong target_flock_addr,
7042 const struct flock64 *fl)
7043{
7044 struct target_flock64 *target_fl;
7045 short l_type;
7046
7047 if (!lock_user_struct(VERIFY_WRITE, target_fl, target_flock_addr, 0)) {
7048 return -TARGET_EFAULT;
7049 }
7050
7051 l_type = host_to_target_flock(fl->l_type);
7052 __put_user(l_type, &target_fl->l_type);
7053 __put_user(fl->l_whence, &target_fl->l_whence);
7054 __put_user(fl->l_start, &target_fl->l_start);
7055 __put_user(fl->l_len, &target_fl->l_len);
7056 __put_user(fl->l_pid, &target_fl->l_pid);
7057 unlock_user_struct(target_fl, target_flock_addr, 1);
7058 return 0;
7059}
7060
7061static abi_long do_fcntl(int fd, int cmd, abi_ulong arg)
7062{
7063 struct flock64 fl64;
7064#ifdef F_GETOWN_EX
7065 struct f_owner_ex fox;
7066 struct target_f_owner_ex *target_fox;
7067#endif
7068 abi_long ret;
7069 int host_cmd = target_to_host_fcntl_cmd(cmd);
7070
7071 if (host_cmd == -TARGET_EINVAL)
7072 return host_cmd;
7073
7074 switch(cmd) {
7075 case TARGET_F_GETLK:
7076 ret = copy_from_user_flock(&fl64, arg);
7077 if (ret) {
7078 return ret;
7079 }
7080 ret = get_errno(safe_fcntl(fd, host_cmd, &fl64));
7081 if (ret == 0) {
7082 ret = copy_to_user_flock(arg, &fl64);
7083 }
7084 break;
7085
7086 case TARGET_F_SETLK:
7087 case TARGET_F_SETLKW:
7088 ret = copy_from_user_flock(&fl64, arg);
7089 if (ret) {
7090 return ret;
7091 }
7092 ret = get_errno(safe_fcntl(fd, host_cmd, &fl64));
7093 break;
7094
7095 case TARGET_F_GETLK64:
7096 case TARGET_F_OFD_GETLK:
7097 ret = copy_from_user_flock64(&fl64, arg);
7098 if (ret) {
7099 return ret;
7100 }
7101 ret = get_errno(safe_fcntl(fd, host_cmd, &fl64));
7102 if (ret == 0) {
7103 ret = copy_to_user_flock64(arg, &fl64);
7104 }
7105 break;
7106 case TARGET_F_SETLK64:
7107 case TARGET_F_SETLKW64:
7108 case TARGET_F_OFD_SETLK:
7109 case TARGET_F_OFD_SETLKW:
7110 ret = copy_from_user_flock64(&fl64, arg);
7111 if (ret) {
7112 return ret;
7113 }
7114 ret = get_errno(safe_fcntl(fd, host_cmd, &fl64));
7115 break;
7116
7117 case TARGET_F_GETFL:
7118 ret = get_errno(safe_fcntl(fd, host_cmd, arg));
7119 if (ret >= 0) {
7120 ret = host_to_target_bitmask(ret, fcntl_flags_tbl);
7121 }
7122 break;
7123
7124 case TARGET_F_SETFL:
7125 ret = get_errno(safe_fcntl(fd, host_cmd,
7126 target_to_host_bitmask(arg,
7127 fcntl_flags_tbl)));
7128 break;
7129
7130#ifdef F_GETOWN_EX
7131 case TARGET_F_GETOWN_EX:
7132 ret = get_errno(safe_fcntl(fd, host_cmd, &fox));
7133 if (ret >= 0) {
7134 if (!lock_user_struct(VERIFY_WRITE, target_fox, arg, 0))
7135 return -TARGET_EFAULT;
7136 target_fox->type = tswap32(fox.type);
7137 target_fox->pid = tswap32(fox.pid);
7138 unlock_user_struct(target_fox, arg, 1);
7139 }
7140 break;
7141#endif
7142
7143#ifdef F_SETOWN_EX
7144 case TARGET_F_SETOWN_EX:
7145 if (!lock_user_struct(VERIFY_READ, target_fox, arg, 1))
7146 return -TARGET_EFAULT;
7147 fox.type = tswap32(target_fox->type);
7148 fox.pid = tswap32(target_fox->pid);
7149 unlock_user_struct(target_fox, arg, 0);
7150 ret = get_errno(safe_fcntl(fd, host_cmd, &fox));
7151 break;
7152#endif
7153
7154 case TARGET_F_SETSIG:
7155 ret = get_errno(safe_fcntl(fd, host_cmd, target_to_host_signal(arg)));
7156 break;
7157
7158 case TARGET_F_GETSIG:
7159 ret = host_to_target_signal(get_errno(safe_fcntl(fd, host_cmd, arg)));
7160 break;
7161
7162 case TARGET_F_SETOWN:
7163 case TARGET_F_GETOWN:
7164 case TARGET_F_SETLEASE:
7165 case TARGET_F_GETLEASE:
7166 case TARGET_F_SETPIPE_SZ:
7167 case TARGET_F_GETPIPE_SZ:
7168 case TARGET_F_ADD_SEALS:
7169 case TARGET_F_GET_SEALS:
7170 ret = get_errno(safe_fcntl(fd, host_cmd, arg));
7171 break;
7172
7173 default:
7174 ret = get_errno(safe_fcntl(fd, cmd, arg));
7175 break;
7176 }
7177 return ret;
7178}
7179
7180#ifdef USE_UID16
7181
7182static inline int high2lowuid(int uid)
7183{
7184 if (uid > 65535)
7185 return 65534;
7186 else
7187 return uid;
7188}
7189
7190static inline int high2lowgid(int gid)
7191{
7192 if (gid > 65535)
7193 return 65534;
7194 else
7195 return gid;
7196}
7197
7198static inline int low2highuid(int uid)
7199{
7200 if ((int16_t)uid == -1)
7201 return -1;
7202 else
7203 return uid;
7204}
7205
7206static inline int low2highgid(int gid)
7207{
7208 if ((int16_t)gid == -1)
7209 return -1;
7210 else
7211 return gid;
7212}
7213static inline int tswapid(int id)
7214{
7215 return tswap16(id);
7216}
7217
7218#define put_user_id(x, gaddr) put_user_u16(x, gaddr)
7219
7220#else
7221static inline int high2lowuid(int uid)
7222{
7223 return uid;
7224}
7225static inline int high2lowgid(int gid)
7226{
7227 return gid;
7228}
7229static inline int low2highuid(int uid)
7230{
7231 return uid;
7232}
7233static inline int low2highgid(int gid)
7234{
7235 return gid;
7236}
7237static inline int tswapid(int id)
7238{
7239 return tswap32(id);
7240}
7241
7242#define put_user_id(x, gaddr) put_user_u32(x, gaddr)
7243
7244#endif
7245
7246
7247
7248
7249
7250
7251
7252
7253
7254#ifdef __NR_setuid32
7255#define __NR_sys_setuid __NR_setuid32
7256#else
7257#define __NR_sys_setuid __NR_setuid
7258#endif
7259#ifdef __NR_setgid32
7260#define __NR_sys_setgid __NR_setgid32
7261#else
7262#define __NR_sys_setgid __NR_setgid
7263#endif
7264#ifdef __NR_setresuid32
7265#define __NR_sys_setresuid __NR_setresuid32
7266#else
7267#define __NR_sys_setresuid __NR_setresuid
7268#endif
7269#ifdef __NR_setresgid32
7270#define __NR_sys_setresgid __NR_setresgid32
7271#else
7272#define __NR_sys_setresgid __NR_setresgid
7273#endif
7274
7275_syscall1(int, sys_setuid, uid_t, uid)
7276_syscall1(int, sys_setgid, gid_t, gid)
7277_syscall3(int, sys_setresuid, uid_t, ruid, uid_t, euid, uid_t, suid)
7278_syscall3(int, sys_setresgid, gid_t, rgid, gid_t, egid, gid_t, sgid)
7279
7280void syscall_init(void)
7281{
7282 IOCTLEntry *ie;
7283 const argtype *arg_type;
7284 int size;
7285
7286 thunk_init(STRUCT_MAX);
7287
7288#define STRUCT(name, ...) thunk_register_struct(STRUCT_ ## name, #name, struct_ ## name ## _def);
7289#define STRUCT_SPECIAL(name) thunk_register_struct_direct(STRUCT_ ## name, #name, &struct_ ## name ## _def);
7290#include "syscall_types.h"
7291#undef STRUCT
7292#undef STRUCT_SPECIAL
7293
7294
7295
7296 ie = ioctl_entries;
7297 while (ie->target_cmd != 0) {
7298 if (((ie->target_cmd >> TARGET_IOC_SIZESHIFT) & TARGET_IOC_SIZEMASK) ==
7299 TARGET_IOC_SIZEMASK) {
7300 arg_type = ie->arg_type;
7301 if (arg_type[0] != TYPE_PTR) {
7302 fprintf(stderr, "cannot patch size for ioctl 0x%x\n",
7303 ie->target_cmd);
7304 exit(1);
7305 }
7306 arg_type++;
7307 size = thunk_type_size(arg_type, 0);
7308 ie->target_cmd = (ie->target_cmd &
7309 ~(TARGET_IOC_SIZEMASK << TARGET_IOC_SIZESHIFT)) |
7310 (size << TARGET_IOC_SIZESHIFT);
7311 }
7312
7313
7314#if (defined(__i386__) && defined(TARGET_I386) && defined(TARGET_ABI32)) || \
7315 (defined(__x86_64__) && defined(TARGET_X86_64))
7316 if (unlikely(ie->target_cmd != ie->host_cmd)) {
7317 fprintf(stderr, "ERROR: ioctl(%s): target=0x%x host=0x%x\n",
7318 ie->name, ie->target_cmd, ie->host_cmd);
7319 }
7320#endif
7321 ie++;
7322 }
7323}
7324
7325#ifdef TARGET_NR_truncate64
7326static inline abi_long target_truncate64(CPUArchState *cpu_env, const char *arg1,
7327 abi_long arg2,
7328 abi_long arg3,
7329 abi_long arg4)
7330{
7331 if (regpairs_aligned(cpu_env, TARGET_NR_truncate64)) {
7332 arg2 = arg3;
7333 arg3 = arg4;
7334 }
7335 return get_errno(truncate64(arg1, target_offset64(arg2, arg3)));
7336}
7337#endif
7338
7339#ifdef TARGET_NR_ftruncate64
7340static inline abi_long target_ftruncate64(CPUArchState *cpu_env, abi_long arg1,
7341 abi_long arg2,
7342 abi_long arg3,
7343 abi_long arg4)
7344{
7345 if (regpairs_aligned(cpu_env, TARGET_NR_ftruncate64)) {
7346 arg2 = arg3;
7347 arg3 = arg4;
7348 }
7349 return get_errno(ftruncate64(arg1, target_offset64(arg2, arg3)));
7350}
7351#endif
7352
7353#if defined(TARGET_NR_timer_settime) || \
7354 (defined(TARGET_NR_timerfd_settime) && defined(CONFIG_TIMERFD))
7355static inline abi_long target_to_host_itimerspec(struct itimerspec *host_its,
7356 abi_ulong target_addr)
7357{
7358 if (target_to_host_timespec(&host_its->it_interval, target_addr +
7359 offsetof(struct target_itimerspec,
7360 it_interval)) ||
7361 target_to_host_timespec(&host_its->it_value, target_addr +
7362 offsetof(struct target_itimerspec,
7363 it_value))) {
7364 return -TARGET_EFAULT;
7365 }
7366
7367 return 0;
7368}
7369#endif
7370
7371#if defined(TARGET_NR_timer_settime64) || \
7372 (defined(TARGET_NR_timerfd_settime64) && defined(CONFIG_TIMERFD))
7373static inline abi_long target_to_host_itimerspec64(struct itimerspec *host_its,
7374 abi_ulong target_addr)
7375{
7376 if (target_to_host_timespec64(&host_its->it_interval, target_addr +
7377 offsetof(struct target__kernel_itimerspec,
7378 it_interval)) ||
7379 target_to_host_timespec64(&host_its->it_value, target_addr +
7380 offsetof(struct target__kernel_itimerspec,
7381 it_value))) {
7382 return -TARGET_EFAULT;
7383 }
7384
7385 return 0;
7386}
7387#endif
7388
7389#if ((defined(TARGET_NR_timerfd_gettime) || \
7390 defined(TARGET_NR_timerfd_settime)) && defined(CONFIG_TIMERFD)) || \
7391 defined(TARGET_NR_timer_gettime) || defined(TARGET_NR_timer_settime)
7392static inline abi_long host_to_target_itimerspec(abi_ulong target_addr,
7393 struct itimerspec *host_its)
7394{
7395 if (host_to_target_timespec(target_addr + offsetof(struct target_itimerspec,
7396 it_interval),
7397 &host_its->it_interval) ||
7398 host_to_target_timespec(target_addr + offsetof(struct target_itimerspec,
7399 it_value),
7400 &host_its->it_value)) {
7401 return -TARGET_EFAULT;
7402 }
7403 return 0;
7404}
7405#endif
7406
7407#if ((defined(TARGET_NR_timerfd_gettime64) || \
7408 defined(TARGET_NR_timerfd_settime64)) && defined(CONFIG_TIMERFD)) || \
7409 defined(TARGET_NR_timer_gettime64) || defined(TARGET_NR_timer_settime64)
7410static inline abi_long host_to_target_itimerspec64(abi_ulong target_addr,
7411 struct itimerspec *host_its)
7412{
7413 if (host_to_target_timespec64(target_addr +
7414 offsetof(struct target__kernel_itimerspec,
7415 it_interval),
7416 &host_its->it_interval) ||
7417 host_to_target_timespec64(target_addr +
7418 offsetof(struct target__kernel_itimerspec,
7419 it_value),
7420 &host_its->it_value)) {
7421 return -TARGET_EFAULT;
7422 }
7423 return 0;
7424}
7425#endif
7426
7427#if defined(TARGET_NR_adjtimex) || \
7428 (defined(TARGET_NR_clock_adjtime) && defined(CONFIG_CLOCK_ADJTIME))
7429static inline abi_long target_to_host_timex(struct timex *host_tx,
7430 abi_long target_addr)
7431{
7432 struct target_timex *target_tx;
7433
7434 if (!lock_user_struct(VERIFY_READ, target_tx, target_addr, 1)) {
7435 return -TARGET_EFAULT;
7436 }
7437
7438 __get_user(host_tx->modes, &target_tx->modes);
7439 __get_user(host_tx->offset, &target_tx->offset);
7440 __get_user(host_tx->freq, &target_tx->freq);
7441 __get_user(host_tx->maxerror, &target_tx->maxerror);
7442 __get_user(host_tx->esterror, &target_tx->esterror);
7443 __get_user(host_tx->status, &target_tx->status);
7444 __get_user(host_tx->constant, &target_tx->constant);
7445 __get_user(host_tx->precision, &target_tx->precision);
7446 __get_user(host_tx->tolerance, &target_tx->tolerance);
7447 __get_user(host_tx->time.tv_sec, &target_tx->time.tv_sec);
7448 __get_user(host_tx->time.tv_usec, &target_tx->time.tv_usec);
7449 __get_user(host_tx->tick, &target_tx->tick);
7450 __get_user(host_tx->ppsfreq, &target_tx->ppsfreq);
7451 __get_user(host_tx->jitter, &target_tx->jitter);
7452 __get_user(host_tx->shift, &target_tx->shift);
7453 __get_user(host_tx->stabil, &target_tx->stabil);
7454 __get_user(host_tx->jitcnt, &target_tx->jitcnt);
7455 __get_user(host_tx->calcnt, &target_tx->calcnt);
7456 __get_user(host_tx->errcnt, &target_tx->errcnt);
7457 __get_user(host_tx->stbcnt, &target_tx->stbcnt);
7458 __get_user(host_tx->tai, &target_tx->tai);
7459
7460 unlock_user_struct(target_tx, target_addr, 0);
7461 return 0;
7462}
7463
7464static inline abi_long host_to_target_timex(abi_long target_addr,
7465 struct timex *host_tx)
7466{
7467 struct target_timex *target_tx;
7468
7469 if (!lock_user_struct(VERIFY_WRITE, target_tx, target_addr, 0)) {
7470 return -TARGET_EFAULT;
7471 }
7472
7473 __put_user(host_tx->modes, &target_tx->modes);
7474 __put_user(host_tx->offset, &target_tx->offset);
7475 __put_user(host_tx->freq, &target_tx->freq);
7476 __put_user(host_tx->maxerror, &target_tx->maxerror);
7477 __put_user(host_tx->esterror, &target_tx->esterror);
7478 __put_user(host_tx->status, &target_tx->status);
7479 __put_user(host_tx->constant, &target_tx->constant);
7480 __put_user(host_tx->precision, &target_tx->precision);
7481 __put_user(host_tx->tolerance, &target_tx->tolerance);
7482 __put_user(host_tx->time.tv_sec, &target_tx->time.tv_sec);
7483 __put_user(host_tx->time.tv_usec, &target_tx->time.tv_usec);
7484 __put_user(host_tx->tick, &target_tx->tick);
7485 __put_user(host_tx->ppsfreq, &target_tx->ppsfreq);
7486 __put_user(host_tx->jitter, &target_tx->jitter);
7487 __put_user(host_tx->shift, &target_tx->shift);
7488 __put_user(host_tx->stabil, &target_tx->stabil);
7489 __put_user(host_tx->jitcnt, &target_tx->jitcnt);
7490 __put_user(host_tx->calcnt, &target_tx->calcnt);
7491 __put_user(host_tx->errcnt, &target_tx->errcnt);
7492 __put_user(host_tx->stbcnt, &target_tx->stbcnt);
7493 __put_user(host_tx->tai, &target_tx->tai);
7494
7495 unlock_user_struct(target_tx, target_addr, 1);
7496 return 0;
7497}
7498#endif
7499
7500
7501#if defined(TARGET_NR_clock_adjtime64) && defined(CONFIG_CLOCK_ADJTIME)
7502static inline abi_long target_to_host_timex64(struct timex *host_tx,
7503 abi_long target_addr)
7504{
7505 struct target__kernel_timex *target_tx;
7506
7507 if (copy_from_user_timeval64(&host_tx->time, target_addr +
7508 offsetof(struct target__kernel_timex,
7509 time))) {
7510 return -TARGET_EFAULT;
7511 }
7512
7513 if (!lock_user_struct(VERIFY_READ, target_tx, target_addr, 1)) {
7514 return -TARGET_EFAULT;
7515 }
7516
7517 __get_user(host_tx->modes, &target_tx->modes);
7518 __get_user(host_tx->offset, &target_tx->offset);
7519 __get_user(host_tx->freq, &target_tx->freq);
7520 __get_user(host_tx->maxerror, &target_tx->maxerror);
7521 __get_user(host_tx->esterror, &target_tx->esterror);
7522 __get_user(host_tx->status, &target_tx->status);
7523 __get_user(host_tx->constant, &target_tx->constant);
7524 __get_user(host_tx->precision, &target_tx->precision);
7525 __get_user(host_tx->tolerance, &target_tx->tolerance);
7526 __get_user(host_tx->tick, &target_tx->tick);
7527 __get_user(host_tx->ppsfreq, &target_tx->ppsfreq);
7528 __get_user(host_tx->jitter, &target_tx->jitter);
7529 __get_user(host_tx->shift, &target_tx->shift);
7530 __get_user(host_tx->stabil, &target_tx->stabil);
7531 __get_user(host_tx->jitcnt, &target_tx->jitcnt);
7532 __get_user(host_tx->calcnt, &target_tx->calcnt);
7533 __get_user(host_tx->errcnt, &target_tx->errcnt);
7534 __get_user(host_tx->stbcnt, &target_tx->stbcnt);
7535 __get_user(host_tx->tai, &target_tx->tai);
7536
7537 unlock_user_struct(target_tx, target_addr, 0);
7538 return 0;
7539}
7540
7541static inline abi_long host_to_target_timex64(abi_long target_addr,
7542 struct timex *host_tx)
7543{
7544 struct target__kernel_timex *target_tx;
7545
7546 if (copy_to_user_timeval64(target_addr +
7547 offsetof(struct target__kernel_timex, time),
7548 &host_tx->time)) {
7549 return -TARGET_EFAULT;
7550 }
7551
7552 if (!lock_user_struct(VERIFY_WRITE, target_tx, target_addr, 0)) {
7553 return -TARGET_EFAULT;
7554 }
7555
7556 __put_user(host_tx->modes, &target_tx->modes);
7557 __put_user(host_tx->offset, &target_tx->offset);
7558 __put_user(host_tx->freq, &target_tx->freq);
7559 __put_user(host_tx->maxerror, &target_tx->maxerror);
7560 __put_user(host_tx->esterror, &target_tx->esterror);
7561 __put_user(host_tx->status, &target_tx->status);
7562 __put_user(host_tx->constant, &target_tx->constant);
7563 __put_user(host_tx->precision, &target_tx->precision);
7564 __put_user(host_tx->tolerance, &target_tx->tolerance);
7565 __put_user(host_tx->tick, &target_tx->tick);
7566 __put_user(host_tx->ppsfreq, &target_tx->ppsfreq);
7567 __put_user(host_tx->jitter, &target_tx->jitter);
7568 __put_user(host_tx->shift, &target_tx->shift);
7569 __put_user(host_tx->stabil, &target_tx->stabil);
7570 __put_user(host_tx->jitcnt, &target_tx->jitcnt);
7571 __put_user(host_tx->calcnt, &target_tx->calcnt);
7572 __put_user(host_tx->errcnt, &target_tx->errcnt);
7573 __put_user(host_tx->stbcnt, &target_tx->stbcnt);
7574 __put_user(host_tx->tai, &target_tx->tai);
7575
7576 unlock_user_struct(target_tx, target_addr, 1);
7577 return 0;
7578}
7579#endif
7580
7581#ifndef HAVE_SIGEV_NOTIFY_THREAD_ID
7582#define sigev_notify_thread_id _sigev_un._tid
7583#endif
7584
7585static inline abi_long target_to_host_sigevent(struct sigevent *host_sevp,
7586 abi_ulong target_addr)
7587{
7588 struct target_sigevent *target_sevp;
7589
7590 if (!lock_user_struct(VERIFY_READ, target_sevp, target_addr, 1)) {
7591 return -TARGET_EFAULT;
7592 }
7593
7594
7595
7596
7597
7598
7599
7600 host_sevp->sigev_value.sival_ptr =
7601 (void *)(uintptr_t)tswapal(target_sevp->sigev_value.sival_ptr);
7602 host_sevp->sigev_signo =
7603 target_to_host_signal(tswap32(target_sevp->sigev_signo));
7604 host_sevp->sigev_notify = tswap32(target_sevp->sigev_notify);
7605 host_sevp->sigev_notify_thread_id = tswap32(target_sevp->_sigev_un._tid);
7606
7607 unlock_user_struct(target_sevp, target_addr, 1);
7608 return 0;
7609}
7610
7611#if defined(TARGET_NR_mlockall)
7612static inline int target_to_host_mlockall_arg(int arg)
7613{
7614 int result = 0;
7615
7616 if (arg & TARGET_MCL_CURRENT) {
7617 result |= MCL_CURRENT;
7618 }
7619 if (arg & TARGET_MCL_FUTURE) {
7620 result |= MCL_FUTURE;
7621 }
7622#ifdef MCL_ONFAULT
7623 if (arg & TARGET_MCL_ONFAULT) {
7624 result |= MCL_ONFAULT;
7625 }
7626#endif
7627
7628 return result;
7629}
7630#endif
7631
7632#if (defined(TARGET_NR_stat64) || defined(TARGET_NR_lstat64) || \
7633 defined(TARGET_NR_fstat64) || defined(TARGET_NR_fstatat64) || \
7634 defined(TARGET_NR_newfstatat))
7635static inline abi_long host_to_target_stat64(CPUArchState *cpu_env,
7636 abi_ulong target_addr,
7637 struct stat *host_st)
7638{
7639#if defined(TARGET_ARM) && defined(TARGET_ABI32)
7640 if (cpu_env->eabi) {
7641 struct target_eabi_stat64 *target_st;
7642
7643 if (!lock_user_struct(VERIFY_WRITE, target_st, target_addr, 0))
7644 return -TARGET_EFAULT;
7645 memset(target_st, 0, sizeof(struct target_eabi_stat64));
7646 __put_user(host_st->st_dev, &target_st->st_dev);
7647 __put_user(host_st->st_ino, &target_st->st_ino);
7648#ifdef TARGET_STAT64_HAS_BROKEN_ST_INO
7649 __put_user(host_st->st_ino, &target_st->__st_ino);
7650#endif
7651 __put_user(host_st->st_mode, &target_st->st_mode);
7652 __put_user(host_st->st_nlink, &target_st->st_nlink);
7653 __put_user(host_st->st_uid, &target_st->st_uid);
7654 __put_user(host_st->st_gid, &target_st->st_gid);
7655 __put_user(host_st->st_rdev, &target_st->st_rdev);
7656 __put_user(host_st->st_size, &target_st->st_size);
7657 __put_user(host_st->st_blksize, &target_st->st_blksize);
7658 __put_user(host_st->st_blocks, &target_st->st_blocks);
7659 __put_user(host_st->st_atime, &target_st->target_st_atime);
7660 __put_user(host_st->st_mtime, &target_st->target_st_mtime);
7661 __put_user(host_st->st_ctime, &target_st->target_st_ctime);
7662#ifdef HAVE_STRUCT_STAT_ST_ATIM
7663 __put_user(host_st->st_atim.tv_nsec, &target_st->target_st_atime_nsec);
7664 __put_user(host_st->st_mtim.tv_nsec, &target_st->target_st_mtime_nsec);
7665 __put_user(host_st->st_ctim.tv_nsec, &target_st->target_st_ctime_nsec);
7666#endif
7667 unlock_user_struct(target_st, target_addr, 1);
7668 } else
7669#endif
7670 {
7671#if defined(TARGET_HAS_STRUCT_STAT64)
7672 struct target_stat64 *target_st;
7673#else
7674 struct target_stat *target_st;
7675#endif
7676
7677 if (!lock_user_struct(VERIFY_WRITE, target_st, target_addr, 0))
7678 return -TARGET_EFAULT;
7679 memset(target_st, 0, sizeof(*target_st));
7680 __put_user(host_st->st_dev, &target_st->st_dev);
7681 __put_user(host_st->st_ino, &target_st->st_ino);
7682#ifdef TARGET_STAT64_HAS_BROKEN_ST_INO
7683 __put_user(host_st->st_ino, &target_st->__st_ino);
7684#endif
7685 __put_user(host_st->st_mode, &target_st->st_mode);
7686 __put_user(host_st->st_nlink, &target_st->st_nlink);
7687 __put_user(host_st->st_uid, &target_st->st_uid);
7688 __put_user(host_st->st_gid, &target_st->st_gid);
7689 __put_user(host_st->st_rdev, &target_st->st_rdev);
7690
7691 __put_user(host_st->st_size, &target_st->st_size);
7692 __put_user(host_st->st_blksize, &target_st->st_blksize);
7693 __put_user(host_st->st_blocks, &target_st->st_blocks);
7694 __put_user(host_st->st_atime, &target_st->target_st_atime);
7695 __put_user(host_st->st_mtime, &target_st->target_st_mtime);
7696 __put_user(host_st->st_ctime, &target_st->target_st_ctime);
7697#ifdef HAVE_STRUCT_STAT_ST_ATIM
7698 __put_user(host_st->st_atim.tv_nsec, &target_st->target_st_atime_nsec);
7699 __put_user(host_st->st_mtim.tv_nsec, &target_st->target_st_mtime_nsec);
7700 __put_user(host_st->st_ctim.tv_nsec, &target_st->target_st_ctime_nsec);
7701#endif
7702 unlock_user_struct(target_st, target_addr, 1);
7703 }
7704
7705 return 0;
7706}
7707#endif
7708
7709#if defined(TARGET_NR_statx) && defined(__NR_statx)
7710static inline abi_long host_to_target_statx(struct target_statx *host_stx,
7711 abi_ulong target_addr)
7712{
7713 struct target_statx *target_stx;
7714
7715 if (!lock_user_struct(VERIFY_WRITE, target_stx, target_addr, 0)) {
7716 return -TARGET_EFAULT;
7717 }
7718 memset(target_stx, 0, sizeof(*target_stx));
7719
7720 __put_user(host_stx->stx_mask, &target_stx->stx_mask);
7721 __put_user(host_stx->stx_blksize, &target_stx->stx_blksize);
7722 __put_user(host_stx->stx_attributes, &target_stx->stx_attributes);
7723 __put_user(host_stx->stx_nlink, &target_stx->stx_nlink);
7724 __put_user(host_stx->stx_uid, &target_stx->stx_uid);
7725 __put_user(host_stx->stx_gid, &target_stx->stx_gid);
7726 __put_user(host_stx->stx_mode, &target_stx->stx_mode);
7727 __put_user(host_stx->stx_ino, &target_stx->stx_ino);
7728 __put_user(host_stx->stx_size, &target_stx->stx_size);
7729 __put_user(host_stx->stx_blocks, &target_stx->stx_blocks);
7730 __put_user(host_stx->stx_attributes_mask, &target_stx->stx_attributes_mask);
7731 __put_user(host_stx->stx_atime.tv_sec, &target_stx->stx_atime.tv_sec);
7732 __put_user(host_stx->stx_atime.tv_nsec, &target_stx->stx_atime.tv_nsec);
7733 __put_user(host_stx->stx_btime.tv_sec, &target_stx->stx_btime.tv_sec);
7734 __put_user(host_stx->stx_btime.tv_nsec, &target_stx->stx_btime.tv_nsec);
7735 __put_user(host_stx->stx_ctime.tv_sec, &target_stx->stx_ctime.tv_sec);
7736 __put_user(host_stx->stx_ctime.tv_nsec, &target_stx->stx_ctime.tv_nsec);
7737 __put_user(host_stx->stx_mtime.tv_sec, &target_stx->stx_mtime.tv_sec);
7738 __put_user(host_stx->stx_mtime.tv_nsec, &target_stx->stx_mtime.tv_nsec);
7739 __put_user(host_stx->stx_rdev_major, &target_stx->stx_rdev_major);
7740 __put_user(host_stx->stx_rdev_minor, &target_stx->stx_rdev_minor);
7741 __put_user(host_stx->stx_dev_major, &target_stx->stx_dev_major);
7742 __put_user(host_stx->stx_dev_minor, &target_stx->stx_dev_minor);
7743
7744 unlock_user_struct(target_stx, target_addr, 1);
7745
7746 return 0;
7747}
7748#endif
7749
7750static int do_sys_futex(int *uaddr, int op, int val,
7751 const struct timespec *timeout, int *uaddr2,
7752 int val3)
7753{
7754#if HOST_LONG_BITS == 64
7755#if defined(__NR_futex)
7756
7757 return sys_futex(uaddr, op, val, timeout, uaddr2, val3);
7758
7759#endif
7760#else
7761#if defined(__NR_futex_time64)
7762 if (sizeof(timeout->tv_sec) == 8) {
7763
7764 return sys_futex_time64(uaddr, op, val, timeout, uaddr2, val3);
7765 }
7766#endif
7767#if defined(__NR_futex)
7768
7769 return sys_futex(uaddr, op, val, timeout, uaddr2, val3);
7770#endif
7771#endif
7772 g_assert_not_reached();
7773}
7774
7775static int do_safe_futex(int *uaddr, int op, int val,
7776 const struct timespec *timeout, int *uaddr2,
7777 int val3)
7778{
7779#if HOST_LONG_BITS == 64
7780#if defined(__NR_futex)
7781
7782 return get_errno(safe_futex(uaddr, op, val, timeout, uaddr2, val3));
7783#endif
7784#else
7785#if defined(__NR_futex_time64)
7786 if (sizeof(timeout->tv_sec) == 8) {
7787
7788 return get_errno(safe_futex_time64(uaddr, op, val, timeout, uaddr2,
7789 val3));
7790 }
7791#endif
7792#if defined(__NR_futex)
7793
7794 return get_errno(safe_futex(uaddr, op, val, timeout, uaddr2, val3));
7795#endif
7796#endif
7797 return -TARGET_ENOSYS;
7798}
7799
7800
7801
7802
7803
7804
7805#if defined(TARGET_NR_futex) || defined(TARGET_NR_futex_time64)
7806static int do_futex(CPUState *cpu, bool time64, target_ulong uaddr,
7807 int op, int val, target_ulong timeout,
7808 target_ulong uaddr2, int val3)
7809{
7810 struct timespec ts, *pts = NULL;
7811 void *haddr2 = NULL;
7812 int base_op;
7813
7814
7815#ifdef FUTEX_CMD_MASK
7816 base_op = op & FUTEX_CMD_MASK;
7817#else
7818 base_op = op;
7819#endif
7820 switch (base_op) {
7821 case FUTEX_WAIT:
7822 case FUTEX_WAIT_BITSET:
7823 val = tswap32(val);
7824 break;
7825 case FUTEX_WAIT_REQUEUE_PI:
7826 val = tswap32(val);
7827 haddr2 = g2h(cpu, uaddr2);
7828 break;
7829 case FUTEX_LOCK_PI:
7830 case FUTEX_LOCK_PI2:
7831 break;
7832 case FUTEX_WAKE:
7833 case FUTEX_WAKE_BITSET:
7834 case FUTEX_TRYLOCK_PI:
7835 case FUTEX_UNLOCK_PI:
7836 timeout = 0;
7837 break;
7838 case FUTEX_FD:
7839 val = target_to_host_signal(val);
7840 timeout = 0;
7841 break;
7842 case FUTEX_CMP_REQUEUE:
7843 case FUTEX_CMP_REQUEUE_PI:
7844 val3 = tswap32(val3);
7845
7846 case FUTEX_REQUEUE:
7847 case FUTEX_WAKE_OP:
7848
7849
7850
7851
7852
7853
7854 pts = (struct timespec *)(uintptr_t)timeout;
7855 timeout = 0;
7856 haddr2 = g2h(cpu, uaddr2);
7857 break;
7858 default:
7859 return -TARGET_ENOSYS;
7860 }
7861 if (timeout) {
7862 pts = &ts;
7863 if (time64
7864 ? target_to_host_timespec64(pts, timeout)
7865 : target_to_host_timespec(pts, timeout)) {
7866 return -TARGET_EFAULT;
7867 }
7868 }
7869 return do_safe_futex(g2h(cpu, uaddr), op, val, pts, haddr2, val3);
7870}
7871#endif
7872
7873#if defined(TARGET_NR_name_to_handle_at) && defined(CONFIG_OPEN_BY_HANDLE)
7874static abi_long do_name_to_handle_at(abi_long dirfd, abi_long pathname,
7875 abi_long handle, abi_long mount_id,
7876 abi_long flags)
7877{
7878 struct file_handle *target_fh;
7879 struct file_handle *fh;
7880 int mid = 0;
7881 abi_long ret;
7882 char *name;
7883 unsigned int size, total_size;
7884
7885 if (get_user_s32(size, handle)) {
7886 return -TARGET_EFAULT;
7887 }
7888
7889 name = lock_user_string(pathname);
7890 if (!name) {
7891 return -TARGET_EFAULT;
7892 }
7893
7894 total_size = sizeof(struct file_handle) + size;
7895 target_fh = lock_user(VERIFY_WRITE, handle, total_size, 0);
7896 if (!target_fh) {
7897 unlock_user(name, pathname, 0);
7898 return -TARGET_EFAULT;
7899 }
7900
7901 fh = g_malloc0(total_size);
7902 fh->handle_bytes = size;
7903
7904 ret = get_errno(name_to_handle_at(dirfd, path(name), fh, &mid, flags));
7905 unlock_user(name, pathname, 0);
7906
7907
7908
7909
7910
7911
7912 memcpy(target_fh, fh, total_size);
7913 target_fh->handle_bytes = tswap32(fh->handle_bytes);
7914 target_fh->handle_type = tswap32(fh->handle_type);
7915 g_free(fh);
7916 unlock_user(target_fh, handle, total_size);
7917
7918 if (put_user_s32(mid, mount_id)) {
7919 return -TARGET_EFAULT;
7920 }
7921
7922 return ret;
7923
7924}
7925#endif
7926
7927#if defined(TARGET_NR_open_by_handle_at) && defined(CONFIG_OPEN_BY_HANDLE)
7928static abi_long do_open_by_handle_at(abi_long mount_fd, abi_long handle,
7929 abi_long flags)
7930{
7931 struct file_handle *target_fh;
7932 struct file_handle *fh;
7933 unsigned int size, total_size;
7934 abi_long ret;
7935
7936 if (get_user_s32(size, handle)) {
7937 return -TARGET_EFAULT;
7938 }
7939
7940 total_size = sizeof(struct file_handle) + size;
7941 target_fh = lock_user(VERIFY_READ, handle, total_size, 1);
7942 if (!target_fh) {
7943 return -TARGET_EFAULT;
7944 }
7945
7946 fh = g_memdup(target_fh, total_size);
7947 fh->handle_bytes = size;
7948 fh->handle_type = tswap32(target_fh->handle_type);
7949
7950 ret = get_errno(open_by_handle_at(mount_fd, fh,
7951 target_to_host_bitmask(flags, fcntl_flags_tbl)));
7952
7953 g_free(fh);
7954
7955 unlock_user(target_fh, handle, total_size);
7956
7957 return ret;
7958}
7959#endif
7960
7961#if defined(TARGET_NR_signalfd) || defined(TARGET_NR_signalfd4)
7962
7963static abi_long do_signalfd4(int fd, abi_long mask, int flags)
7964{
7965 int host_flags;
7966 target_sigset_t *target_mask;
7967 sigset_t host_mask;
7968 abi_long ret;
7969
7970 if (flags & ~(TARGET_O_NONBLOCK_MASK | TARGET_O_CLOEXEC)) {
7971 return -TARGET_EINVAL;
7972 }
7973 if (!lock_user_struct(VERIFY_READ, target_mask, mask, 1)) {
7974 return -TARGET_EFAULT;
7975 }
7976
7977 target_to_host_sigset(&host_mask, target_mask);
7978
7979 host_flags = target_to_host_bitmask(flags, fcntl_flags_tbl);
7980
7981 ret = get_errno(signalfd(fd, &host_mask, host_flags));
7982 if (ret >= 0) {
7983 fd_trans_register(ret, &target_signalfd_trans);
7984 }
7985
7986 unlock_user_struct(target_mask, mask, 0);
7987
7988 return ret;
7989}
7990#endif
7991
7992
7993
7994int host_to_target_waitstatus(int status)
7995{
7996 if (WIFSIGNALED(status)) {
7997 return host_to_target_signal(WTERMSIG(status)) | (status & ~0x7f);
7998 }
7999 if (WIFSTOPPED(status)) {
8000 return (host_to_target_signal(WSTOPSIG(status)) << 8)
8001 | (status & 0xff);
8002 }
8003 return status;
8004}
8005
8006static int open_self_cmdline(CPUArchState *cpu_env, int fd)
8007{
8008 CPUState *cpu = env_cpu(cpu_env);
8009 struct linux_binprm *bprm = ((TaskState *)cpu->opaque)->bprm;
8010 int i;
8011
8012 for (i = 0; i < bprm->argc; i++) {
8013 size_t len = strlen(bprm->argv[i]) + 1;
8014
8015 if (write(fd, bprm->argv[i], len) != len) {
8016 return -1;
8017 }
8018 }
8019
8020 return 0;
8021}
8022
8023static int open_self_maps(CPUArchState *cpu_env, int fd)
8024{
8025 CPUState *cpu = env_cpu(cpu_env);
8026 TaskState *ts = cpu->opaque;
8027 GSList *map_info = read_self_maps();
8028 GSList *s;
8029 int count;
8030
8031 for (s = map_info; s; s = g_slist_next(s)) {
8032 MapInfo *e = (MapInfo *) s->data;
8033
8034 if (h2g_valid(e->start)) {
8035 unsigned long min = e->start;
8036 unsigned long max = e->end;
8037 int flags = page_get_flags(h2g(min));
8038 const char *path;
8039
8040 max = h2g_valid(max - 1) ?
8041 max : (uintptr_t) g2h_untagged(GUEST_ADDR_MAX) + 1;
8042
8043 if (page_check_range(h2g(min), max - min, flags) == -1) {
8044 continue;
8045 }
8046
8047#ifdef TARGET_HPPA
8048 if (h2g(max) == ts->info->stack_limit) {
8049#else
8050 if (h2g(min) == ts->info->stack_limit) {
8051#endif
8052 path = "[stack]";
8053 } else {
8054 path = e->path;
8055 }
8056
8057 count = dprintf(fd, TARGET_ABI_FMT_ptr "-" TARGET_ABI_FMT_ptr
8058 " %c%c%c%c %08" PRIx64 " %s %"PRId64,
8059 h2g(min), h2g(max - 1) + 1,
8060 (flags & PAGE_READ) ? 'r' : '-',
8061 (flags & PAGE_WRITE_ORG) ? 'w' : '-',
8062 (flags & PAGE_EXEC) ? 'x' : '-',
8063 e->is_priv ? 'p' : 's',
8064 (uint64_t) e->offset, e->dev, e->inode);
8065 if (path) {
8066 dprintf(fd, "%*s%s\n", 73 - count, "", path);
8067 } else {
8068 dprintf(fd, "\n");
8069 }
8070 }
8071 }
8072
8073 free_self_maps(map_info);
8074
8075#ifdef TARGET_VSYSCALL_PAGE
8076
8077
8078
8079
8080 count = dprintf(fd, TARGET_FMT_lx "-" TARGET_FMT_lx
8081 " --xp 00000000 00:00 0",
8082 TARGET_VSYSCALL_PAGE, TARGET_VSYSCALL_PAGE + TARGET_PAGE_SIZE);
8083 dprintf(fd, "%*s%s\n", 73 - count, "", "[vsyscall]");
8084#endif
8085
8086 return 0;
8087}
8088
8089static int open_self_stat(CPUArchState *cpu_env, int fd)
8090{
8091 CPUState *cpu = env_cpu(cpu_env);
8092 TaskState *ts = cpu->opaque;
8093 g_autoptr(GString) buf = g_string_new(NULL);
8094 int i;
8095
8096 for (i = 0; i < 44; i++) {
8097 if (i == 0) {
8098
8099 g_string_printf(buf, FMT_pid " ", getpid());
8100 } else if (i == 1) {
8101
8102 gchar *bin = g_strrstr(ts->bprm->argv[0], "/");
8103 bin = bin ? bin + 1 : ts->bprm->argv[0];
8104 g_string_printf(buf, "(%.15s) ", bin);
8105 } else if (i == 3) {
8106
8107 g_string_printf(buf, FMT_pid " ", getppid());
8108 } else if (i == 21) {
8109
8110 g_string_printf(buf, "%" PRIu64 " ", ts->start_boottime);
8111 } else if (i == 27) {
8112
8113 g_string_printf(buf, TARGET_ABI_FMT_ld " ", ts->info->start_stack);
8114 } else {
8115
8116 g_string_printf(buf, "0%c", i == 43 ? '\n' : ' ');
8117 }
8118
8119 if (write(fd, buf->str, buf->len) != buf->len) {
8120 return -1;
8121 }
8122 }
8123
8124 return 0;
8125}
8126
8127static int open_self_auxv(CPUArchState *cpu_env, int fd)
8128{
8129 CPUState *cpu = env_cpu(cpu_env);
8130 TaskState *ts = cpu->opaque;
8131 abi_ulong auxv = ts->info->saved_auxv;
8132 abi_ulong len = ts->info->auxv_len;
8133 char *ptr;
8134
8135
8136
8137
8138
8139 ptr = lock_user(VERIFY_READ, auxv, len, 0);
8140 if (ptr != NULL) {
8141 while (len > 0) {
8142 ssize_t r;
8143 r = write(fd, ptr, len);
8144 if (r <= 0) {
8145 break;
8146 }
8147 len -= r;
8148 ptr += r;
8149 }
8150 lseek(fd, 0, SEEK_SET);
8151 unlock_user(ptr, auxv, len);
8152 }
8153
8154 return 0;
8155}
8156
8157static int is_proc_myself(const char *filename, const char *entry)
8158{
8159 if (!strncmp(filename, "/proc/", strlen("/proc/"))) {
8160 filename += strlen("/proc/");
8161 if (!strncmp(filename, "self/", strlen("self/"))) {
8162 filename += strlen("self/");
8163 } else if (*filename >= '1' && *filename <= '9') {
8164 char myself[80];
8165 snprintf(myself, sizeof(myself), "%d/", getpid());
8166 if (!strncmp(filename, myself, strlen(myself))) {
8167 filename += strlen(myself);
8168 } else {
8169 return 0;
8170 }
8171 } else {
8172 return 0;
8173 }
8174 if (!strcmp(filename, entry)) {
8175 return 1;
8176 }
8177 }
8178 return 0;
8179}
8180
8181static void excp_dump_file(FILE *logfile, CPUArchState *env,
8182 const char *fmt, int code)
8183{
8184 if (logfile) {
8185 CPUState *cs = env_cpu(env);
8186
8187 fprintf(logfile, fmt, code);
8188 fprintf(logfile, "Failing executable: %s\n", exec_path);
8189 cpu_dump_state(cs, logfile, 0);
8190 open_self_maps(env, fileno(logfile));
8191 }
8192}
8193
8194void target_exception_dump(CPUArchState *env, const char *fmt, int code)
8195{
8196
8197 excp_dump_file(stderr, env, fmt, code);
8198
8199
8200 if (qemu_log_separate()) {
8201 FILE *logfile = qemu_log_trylock();
8202
8203 excp_dump_file(logfile, env, fmt, code);
8204 qemu_log_unlock(logfile);
8205 }
8206}
8207
8208#if HOST_BIG_ENDIAN != TARGET_BIG_ENDIAN || \
8209 defined(TARGET_SPARC) || defined(TARGET_M68K) || defined(TARGET_HPPA)
8210static int is_proc(const char *filename, const char *entry)
8211{
8212 return strcmp(filename, entry) == 0;
8213}
8214#endif
8215
8216#if HOST_BIG_ENDIAN != TARGET_BIG_ENDIAN
8217static int open_net_route(CPUArchState *cpu_env, int fd)
8218{
8219 FILE *fp;
8220 char *line = NULL;
8221 size_t len = 0;
8222 ssize_t read;
8223
8224 fp = fopen("/proc/net/route", "r");
8225 if (fp == NULL) {
8226 return -1;
8227 }
8228
8229
8230
8231 read = getline(&line, &len, fp);
8232 dprintf(fd, "%s", line);
8233
8234
8235
8236 while ((read = getline(&line, &len, fp)) != -1) {
8237 char iface[16];
8238 uint32_t dest, gw, mask;
8239 unsigned int flags, refcnt, use, metric, mtu, window, irtt;
8240 int fields;
8241
8242 fields = sscanf(line,
8243 "%s\t%08x\t%08x\t%04x\t%d\t%d\t%d\t%08x\t%d\t%u\t%u\n",
8244 iface, &dest, &gw, &flags, &refcnt, &use, &metric,
8245 &mask, &mtu, &window, &irtt);
8246 if (fields != 11) {
8247 continue;
8248 }
8249 dprintf(fd, "%s\t%08x\t%08x\t%04x\t%d\t%d\t%d\t%08x\t%d\t%u\t%u\n",
8250 iface, tswap32(dest), tswap32(gw), flags, refcnt, use,
8251 metric, tswap32(mask), mtu, window, irtt);
8252 }
8253
8254 free(line);
8255 fclose(fp);
8256
8257 return 0;
8258}
8259#endif
8260
8261#if defined(TARGET_SPARC)
8262static int open_cpuinfo(CPUArchState *cpu_env, int fd)
8263{
8264 dprintf(fd, "type\t\t: sun4u\n");
8265 return 0;
8266}
8267#endif
8268
8269#if defined(TARGET_HPPA)
8270static int open_cpuinfo(CPUArchState *cpu_env, int fd)
8271{
8272 dprintf(fd, "cpu family\t: PA-RISC 1.1e\n");
8273 dprintf(fd, "cpu\t\t: PA7300LC (PCX-L2)\n");
8274 dprintf(fd, "capabilities\t: os32\n");
8275 dprintf(fd, "model\t\t: 9000/778/B160L\n");
8276 dprintf(fd, "model name\t: Merlin L2 160 QEMU (9000/778/B160L)\n");
8277 return 0;
8278}
8279#endif
8280
8281#if defined(TARGET_M68K)
8282static int open_hardware(CPUArchState *cpu_env, int fd)
8283{
8284 dprintf(fd, "Model:\t\tqemu-m68k\n");
8285 return 0;
8286}
8287#endif
8288
8289static int do_openat(CPUArchState *cpu_env, int dirfd, const char *pathname, int flags, mode_t mode)
8290{
8291 struct fake_open {
8292 const char *filename;
8293 int (*fill)(CPUArchState *cpu_env, int fd);
8294 int (*cmp)(const char *s1, const char *s2);
8295 };
8296 const struct fake_open *fake_open;
8297 static const struct fake_open fakes[] = {
8298 { "maps", open_self_maps, is_proc_myself },
8299 { "stat", open_self_stat, is_proc_myself },
8300 { "auxv", open_self_auxv, is_proc_myself },
8301 { "cmdline", open_self_cmdline, is_proc_myself },
8302#if HOST_BIG_ENDIAN != TARGET_BIG_ENDIAN
8303 { "/proc/net/route", open_net_route, is_proc },
8304#endif
8305#if defined(TARGET_SPARC) || defined(TARGET_HPPA)
8306 { "/proc/cpuinfo", open_cpuinfo, is_proc },
8307#endif
8308#if defined(TARGET_M68K)
8309 { "/proc/hardware", open_hardware, is_proc },
8310#endif
8311 { NULL, NULL, NULL }
8312 };
8313
8314 if (is_proc_myself(pathname, "exe")) {
8315 return safe_openat(dirfd, exec_path, flags, mode);
8316 }
8317
8318 for (fake_open = fakes; fake_open->filename; fake_open++) {
8319 if (fake_open->cmp(pathname, fake_open->filename)) {
8320 break;
8321 }
8322 }
8323
8324 if (fake_open->filename) {
8325 const char *tmpdir;
8326 char filename[PATH_MAX];
8327 int fd, r;
8328
8329 fd = memfd_create("qemu-open", 0);
8330 if (fd < 0) {
8331 if (errno != ENOSYS) {
8332 return fd;
8333 }
8334
8335 tmpdir = getenv("TMPDIR");
8336 if (!tmpdir)
8337 tmpdir = "/tmp";
8338 snprintf(filename, sizeof(filename), "%s/qemu-open.XXXXXX", tmpdir);
8339 fd = mkstemp(filename);
8340 if (fd < 0) {
8341 return fd;
8342 }
8343 unlink(filename);
8344 }
8345
8346 if ((r = fake_open->fill(cpu_env, fd))) {
8347 int e = errno;
8348 close(fd);
8349 errno = e;
8350 return r;
8351 }
8352 lseek(fd, 0, SEEK_SET);
8353
8354 return fd;
8355 }
8356
8357 return safe_openat(dirfd, path(pathname), flags, mode);
8358}
8359
8360#define TIMER_MAGIC 0x0caf0000
8361#define TIMER_MAGIC_MASK 0xffff0000
8362
8363
8364static target_timer_t get_timer_id(abi_long arg)
8365{
8366 target_timer_t timerid = arg;
8367
8368 if ((timerid & TIMER_MAGIC_MASK) != TIMER_MAGIC) {
8369 return -TARGET_EINVAL;
8370 }
8371
8372 timerid &= 0xffff;
8373
8374 if (timerid >= ARRAY_SIZE(g_posix_timers)) {
8375 return -TARGET_EINVAL;
8376 }
8377
8378 return timerid;
8379}
8380
8381static int target_to_host_cpu_mask(unsigned long *host_mask,
8382 size_t host_size,
8383 abi_ulong target_addr,
8384 size_t target_size)
8385{
8386 unsigned target_bits = sizeof(abi_ulong) * 8;
8387 unsigned host_bits = sizeof(*host_mask) * 8;
8388 abi_ulong *target_mask;
8389 unsigned i, j;
8390
8391 assert(host_size >= target_size);
8392
8393 target_mask = lock_user(VERIFY_READ, target_addr, target_size, 1);
8394 if (!target_mask) {
8395 return -TARGET_EFAULT;
8396 }
8397 memset(host_mask, 0, host_size);
8398
8399 for (i = 0 ; i < target_size / sizeof(abi_ulong); i++) {
8400 unsigned bit = i * target_bits;
8401 abi_ulong val;
8402
8403 __get_user(val, &target_mask[i]);
8404 for (j = 0; j < target_bits; j++, bit++) {
8405 if (val & (1UL << j)) {
8406 host_mask[bit / host_bits] |= 1UL << (bit % host_bits);
8407 }
8408 }
8409 }
8410
8411 unlock_user(target_mask, target_addr, 0);
8412 return 0;
8413}
8414
8415static int host_to_target_cpu_mask(const unsigned long *host_mask,
8416 size_t host_size,
8417 abi_ulong target_addr,
8418 size_t target_size)
8419{
8420 unsigned target_bits = sizeof(abi_ulong) * 8;
8421 unsigned host_bits = sizeof(*host_mask) * 8;
8422 abi_ulong *target_mask;
8423 unsigned i, j;
8424
8425 assert(host_size >= target_size);
8426
8427 target_mask = lock_user(VERIFY_WRITE, target_addr, target_size, 0);
8428 if (!target_mask) {
8429 return -TARGET_EFAULT;
8430 }
8431
8432 for (i = 0 ; i < target_size / sizeof(abi_ulong); i++) {
8433 unsigned bit = i * target_bits;
8434 abi_ulong val = 0;
8435
8436 for (j = 0; j < target_bits; j++, bit++) {
8437 if (host_mask[bit / host_bits] & (1UL << (bit % host_bits))) {
8438 val |= 1UL << j;
8439 }
8440 }
8441 __put_user(val, &target_mask[i]);
8442 }
8443
8444 unlock_user(target_mask, target_addr, target_size);
8445 return 0;
8446}
8447
8448#ifdef TARGET_NR_getdents
8449static int do_getdents(abi_long dirfd, abi_long arg2, abi_long count)
8450{
8451 g_autofree void *hdirp = NULL;
8452 void *tdirp;
8453 int hlen, hoff, toff;
8454 int hreclen, treclen;
8455 off64_t prev_diroff = 0;
8456
8457 hdirp = g_try_malloc(count);
8458 if (!hdirp) {
8459 return -TARGET_ENOMEM;
8460 }
8461
8462#ifdef EMULATE_GETDENTS_WITH_GETDENTS
8463 hlen = sys_getdents(dirfd, hdirp, count);
8464#else
8465 hlen = sys_getdents64(dirfd, hdirp, count);
8466#endif
8467
8468 hlen = get_errno(hlen);
8469 if (is_error(hlen)) {
8470 return hlen;
8471 }
8472
8473 tdirp = lock_user(VERIFY_WRITE, arg2, count, 0);
8474 if (!tdirp) {
8475 return -TARGET_EFAULT;
8476 }
8477
8478 for (hoff = toff = 0; hoff < hlen; hoff += hreclen, toff += treclen) {
8479#ifdef EMULATE_GETDENTS_WITH_GETDENTS
8480 struct linux_dirent *hde = hdirp + hoff;
8481#else
8482 struct linux_dirent64 *hde = hdirp + hoff;
8483#endif
8484 struct target_dirent *tde = tdirp + toff;
8485 int namelen;
8486 uint8_t type;
8487
8488 namelen = strlen(hde->d_name);
8489 hreclen = hde->d_reclen;
8490 treclen = offsetof(struct target_dirent, d_name) + namelen + 2;
8491 treclen = QEMU_ALIGN_UP(treclen, __alignof(struct target_dirent));
8492
8493 if (toff + treclen > count) {
8494
8495
8496
8497
8498
8499
8500 if (toff == 0) {
8501 toff = -TARGET_EINVAL;
8502 break;
8503 }
8504
8505
8506
8507
8508 lseek64(dirfd, prev_diroff, SEEK_SET);
8509 break;
8510 }
8511
8512 prev_diroff = hde->d_off;
8513 tde->d_ino = tswapal(hde->d_ino);
8514 tde->d_off = tswapal(hde->d_off);
8515 tde->d_reclen = tswap16(treclen);
8516 memcpy(tde->d_name, hde->d_name, namelen + 1);
8517
8518
8519
8520
8521
8522#ifdef EMULATE_GETDENTS_WITH_GETDENTS
8523 type = *((uint8_t *)hde + hreclen - 1);
8524#else
8525 type = hde->d_type;
8526#endif
8527 *((uint8_t *)tde + treclen - 1) = type;
8528 }
8529
8530 unlock_user(tdirp, arg2, toff);
8531 return toff;
8532}
8533#endif
8534
8535#if defined(TARGET_NR_getdents64) && defined(__NR_getdents64)
8536static int do_getdents64(abi_long dirfd, abi_long arg2, abi_long count)
8537{
8538 g_autofree void *hdirp = NULL;
8539 void *tdirp;
8540 int hlen, hoff, toff;
8541 int hreclen, treclen;
8542 off64_t prev_diroff = 0;
8543
8544 hdirp = g_try_malloc(count);
8545 if (!hdirp) {
8546 return -TARGET_ENOMEM;
8547 }
8548
8549 hlen = get_errno(sys_getdents64(dirfd, hdirp, count));
8550 if (is_error(hlen)) {
8551 return hlen;
8552 }
8553
8554 tdirp = lock_user(VERIFY_WRITE, arg2, count, 0);
8555 if (!tdirp) {
8556 return -TARGET_EFAULT;
8557 }
8558
8559 for (hoff = toff = 0; hoff < hlen; hoff += hreclen, toff += treclen) {
8560 struct linux_dirent64 *hde = hdirp + hoff;
8561 struct target_dirent64 *tde = tdirp + toff;
8562 int namelen;
8563
8564 namelen = strlen(hde->d_name) + 1;
8565 hreclen = hde->d_reclen;
8566 treclen = offsetof(struct target_dirent64, d_name) + namelen;
8567 treclen = QEMU_ALIGN_UP(treclen, __alignof(struct target_dirent64));
8568
8569 if (toff + treclen > count) {
8570
8571
8572
8573
8574
8575
8576 if (toff == 0) {
8577 toff = -TARGET_EINVAL;
8578 break;
8579 }
8580
8581
8582
8583
8584 lseek64(dirfd, prev_diroff, SEEK_SET);
8585 break;
8586 }
8587
8588 prev_diroff = hde->d_off;
8589 tde->d_ino = tswap64(hde->d_ino);
8590 tde->d_off = tswap64(hde->d_off);
8591 tde->d_reclen = tswap16(treclen);
8592 tde->d_type = hde->d_type;
8593 memcpy(tde->d_name, hde->d_name, namelen);
8594 }
8595
8596 unlock_user(tdirp, arg2, toff);
8597 return toff;
8598}
8599#endif
8600
8601#if defined(TARGET_NR_pivot_root) && defined(__NR_pivot_root)
8602_syscall2(int, pivot_root, const char *, new_root, const char *, put_old)
8603#endif
8604
8605
8606
8607
8608
8609
8610static abi_long do_syscall1(CPUArchState *cpu_env, int num, abi_long arg1,
8611 abi_long arg2, abi_long arg3, abi_long arg4,
8612 abi_long arg5, abi_long arg6, abi_long arg7,
8613 abi_long arg8)
8614{
8615 CPUState *cpu = env_cpu(cpu_env);
8616 abi_long ret;
8617#if defined(TARGET_NR_stat) || defined(TARGET_NR_stat64) \
8618 || defined(TARGET_NR_lstat) || defined(TARGET_NR_lstat64) \
8619 || defined(TARGET_NR_fstat) || defined(TARGET_NR_fstat64) \
8620 || defined(TARGET_NR_statx)
8621 struct stat st;
8622#endif
8623#if defined(TARGET_NR_statfs) || defined(TARGET_NR_statfs64) \
8624 || defined(TARGET_NR_fstatfs)
8625 struct statfs stfs;
8626#endif
8627 void *p;
8628
8629 switch(num) {
8630 case TARGET_NR_exit:
8631
8632
8633
8634
8635
8636 if (block_signals()) {
8637 return -QEMU_ERESTARTSYS;
8638 }
8639
8640 pthread_mutex_lock(&clone_lock);
8641
8642 if (CPU_NEXT(first_cpu)) {
8643 TaskState *ts = cpu->opaque;
8644
8645 object_property_set_bool(OBJECT(cpu), "realized", false, NULL);
8646 object_unref(OBJECT(cpu));
8647
8648
8649
8650
8651
8652
8653 pthread_mutex_unlock(&clone_lock);
8654
8655 if (ts->child_tidptr) {
8656 put_user_u32(0, ts->child_tidptr);
8657 do_sys_futex(g2h(cpu, ts->child_tidptr),
8658 FUTEX_WAKE, INT_MAX, NULL, NULL, 0);
8659 }
8660 thread_cpu = NULL;
8661 g_free(ts);
8662 rcu_unregister_thread();
8663 pthread_exit(NULL);
8664 }
8665
8666 pthread_mutex_unlock(&clone_lock);
8667 preexit_cleanup(cpu_env, arg1);
8668 _exit(arg1);
8669 return 0;
8670 case TARGET_NR_read:
8671 if (arg2 == 0 && arg3 == 0) {
8672 return get_errno(safe_read(arg1, 0, 0));
8673 } else {
8674 if (!(p = lock_user(VERIFY_WRITE, arg2, arg3, 0)))
8675 return -TARGET_EFAULT;
8676 ret = get_errno(safe_read(arg1, p, arg3));
8677 if (ret >= 0 &&
8678 fd_trans_host_to_target_data(arg1)) {
8679 ret = fd_trans_host_to_target_data(arg1)(p, ret);
8680 }
8681 unlock_user(p, arg2, ret);
8682 }
8683 return ret;
8684 case TARGET_NR_write:
8685 if (arg2 == 0 && arg3 == 0) {
8686 return get_errno(safe_write(arg1, 0, 0));
8687 }
8688 if (!(p = lock_user(VERIFY_READ, arg2, arg3, 1)))
8689 return -TARGET_EFAULT;
8690 if (fd_trans_target_to_host_data(arg1)) {
8691 void *copy = g_malloc(arg3);
8692 memcpy(copy, p, arg3);
8693 ret = fd_trans_target_to_host_data(arg1)(copy, arg3);
8694 if (ret >= 0) {
8695 ret = get_errno(safe_write(arg1, copy, ret));
8696 }
8697 g_free(copy);
8698 } else {
8699 ret = get_errno(safe_write(arg1, p, arg3));
8700 }
8701 unlock_user(p, arg2, 0);
8702 return ret;
8703
8704#ifdef TARGET_NR_open
8705 case TARGET_NR_open:
8706 if (!(p = lock_user_string(arg1)))
8707 return -TARGET_EFAULT;
8708 ret = get_errno(do_openat(cpu_env, AT_FDCWD, p,
8709 target_to_host_bitmask(arg2, fcntl_flags_tbl),
8710 arg3));
8711 fd_trans_unregister(ret);
8712 unlock_user(p, arg1, 0);
8713 return ret;
8714#endif
8715 case TARGET_NR_openat:
8716 if (!(p = lock_user_string(arg2)))
8717 return -TARGET_EFAULT;
8718 ret = get_errno(do_openat(cpu_env, arg1, p,
8719 target_to_host_bitmask(arg3, fcntl_flags_tbl),
8720 arg4));
8721 fd_trans_unregister(ret);
8722 unlock_user(p, arg2, 0);
8723 return ret;
8724#if defined(TARGET_NR_name_to_handle_at) && defined(CONFIG_OPEN_BY_HANDLE)
8725 case TARGET_NR_name_to_handle_at:
8726 ret = do_name_to_handle_at(arg1, arg2, arg3, arg4, arg5);
8727 return ret;
8728#endif
8729#if defined(TARGET_NR_open_by_handle_at) && defined(CONFIG_OPEN_BY_HANDLE)
8730 case TARGET_NR_open_by_handle_at:
8731 ret = do_open_by_handle_at(arg1, arg2, arg3);
8732 fd_trans_unregister(ret);
8733 return ret;
8734#endif
8735#if defined(__NR_pidfd_open) && defined(TARGET_NR_pidfd_open)
8736 case TARGET_NR_pidfd_open:
8737 return get_errno(pidfd_open(arg1, arg2));
8738#endif
8739#if defined(__NR_pidfd_send_signal) && defined(TARGET_NR_pidfd_send_signal)
8740 case TARGET_NR_pidfd_send_signal:
8741 {
8742 siginfo_t uinfo, *puinfo;
8743
8744 if (arg3) {
8745 p = lock_user(VERIFY_READ, arg3, sizeof(target_siginfo_t), 1);
8746 if (!p) {
8747 return -TARGET_EFAULT;
8748 }
8749 target_to_host_siginfo(&uinfo, p);
8750 unlock_user(p, arg3, 0);
8751 puinfo = &uinfo;
8752 } else {
8753 puinfo = NULL;
8754 }
8755 ret = get_errno(pidfd_send_signal(arg1, target_to_host_signal(arg2),
8756 puinfo, arg4));
8757 }
8758 return ret;
8759#endif
8760#if defined(__NR_pidfd_getfd) && defined(TARGET_NR_pidfd_getfd)
8761 case TARGET_NR_pidfd_getfd:
8762 return get_errno(pidfd_getfd(arg1, arg2, arg3));
8763#endif
8764 case TARGET_NR_close:
8765 fd_trans_unregister(arg1);
8766 return get_errno(close(arg1));
8767#if defined(__NR_close_range) && defined(TARGET_NR_close_range)
8768 case TARGET_NR_close_range:
8769 ret = get_errno(sys_close_range(arg1, arg2, arg3));
8770 if (ret == 0 && !(arg3 & CLOSE_RANGE_CLOEXEC)) {
8771 abi_long fd, maxfd;
8772 maxfd = MIN(arg2, target_fd_max);
8773 for (fd = arg1; fd < maxfd; fd++) {
8774 fd_trans_unregister(fd);
8775 }
8776 }
8777 return ret;
8778#endif
8779
8780 case TARGET_NR_brk:
8781 return do_brk(arg1);
8782#ifdef TARGET_NR_fork
8783 case TARGET_NR_fork:
8784 return get_errno(do_fork(cpu_env, TARGET_SIGCHLD, 0, 0, 0, 0));
8785#endif
8786#ifdef TARGET_NR_waitpid
8787 case TARGET_NR_waitpid:
8788 {
8789 int status;
8790 ret = get_errno(safe_wait4(arg1, &status, arg3, 0));
8791 if (!is_error(ret) && arg2 && ret
8792 && put_user_s32(host_to_target_waitstatus(status), arg2))
8793 return -TARGET_EFAULT;
8794 }
8795 return ret;
8796#endif
8797#ifdef TARGET_NR_waitid
8798 case TARGET_NR_waitid:
8799 {
8800 siginfo_t info;
8801 info.si_pid = 0;
8802 ret = get_errno(safe_waitid(arg1, arg2, &info, arg4, NULL));
8803 if (!is_error(ret) && arg3 && info.si_pid != 0) {
8804 if (!(p = lock_user(VERIFY_WRITE, arg3, sizeof(target_siginfo_t), 0)))
8805 return -TARGET_EFAULT;
8806 host_to_target_siginfo(p, &info);
8807 unlock_user(p, arg3, sizeof(target_siginfo_t));
8808 }
8809 }
8810 return ret;
8811#endif
8812#ifdef TARGET_NR_creat
8813 case TARGET_NR_creat:
8814 if (!(p = lock_user_string(arg1)))
8815 return -TARGET_EFAULT;
8816 ret = get_errno(creat(p, arg2));
8817 fd_trans_unregister(ret);
8818 unlock_user(p, arg1, 0);
8819 return ret;
8820#endif
8821#ifdef TARGET_NR_link
8822 case TARGET_NR_link:
8823 {
8824 void * p2;
8825 p = lock_user_string(arg1);
8826 p2 = lock_user_string(arg2);
8827 if (!p || !p2)
8828 ret = -TARGET_EFAULT;
8829 else
8830 ret = get_errno(link(p, p2));
8831 unlock_user(p2, arg2, 0);
8832 unlock_user(p, arg1, 0);
8833 }
8834 return ret;
8835#endif
8836#if defined(TARGET_NR_linkat)
8837 case TARGET_NR_linkat:
8838 {
8839 void * p2 = NULL;
8840 if (!arg2 || !arg4)
8841 return -TARGET_EFAULT;
8842 p = lock_user_string(arg2);
8843 p2 = lock_user_string(arg4);
8844 if (!p || !p2)
8845 ret = -TARGET_EFAULT;
8846 else
8847 ret = get_errno(linkat(arg1, p, arg3, p2, arg5));
8848 unlock_user(p, arg2, 0);
8849 unlock_user(p2, arg4, 0);
8850 }
8851 return ret;
8852#endif
8853#ifdef TARGET_NR_unlink
8854 case TARGET_NR_unlink:
8855 if (!(p = lock_user_string(arg1)))
8856 return -TARGET_EFAULT;
8857 ret = get_errno(unlink(p));
8858 unlock_user(p, arg1, 0);
8859 return ret;
8860#endif
8861#if defined(TARGET_NR_unlinkat)
8862 case TARGET_NR_unlinkat:
8863 if (!(p = lock_user_string(arg2)))
8864 return -TARGET_EFAULT;
8865 ret = get_errno(unlinkat(arg1, p, arg3));
8866 unlock_user(p, arg2, 0);
8867 return ret;
8868#endif
8869 case TARGET_NR_execve:
8870 {
8871 char **argp, **envp;
8872 int argc, envc;
8873 abi_ulong gp;
8874 abi_ulong guest_argp;
8875 abi_ulong guest_envp;
8876 abi_ulong addr;
8877 char **q;
8878
8879 argc = 0;
8880 guest_argp = arg2;
8881 for (gp = guest_argp; gp; gp += sizeof(abi_ulong)) {
8882 if (get_user_ual(addr, gp))
8883 return -TARGET_EFAULT;
8884 if (!addr)
8885 break;
8886 argc++;
8887 }
8888 envc = 0;
8889 guest_envp = arg3;
8890 for (gp = guest_envp; gp; gp += sizeof(abi_ulong)) {
8891 if (get_user_ual(addr, gp))
8892 return -TARGET_EFAULT;
8893 if (!addr)
8894 break;
8895 envc++;
8896 }
8897
8898 argp = g_new0(char *, argc + 1);
8899 envp = g_new0(char *, envc + 1);
8900
8901 for (gp = guest_argp, q = argp; gp;
8902 gp += sizeof(abi_ulong), q++) {
8903 if (get_user_ual(addr, gp))
8904 goto execve_efault;
8905 if (!addr)
8906 break;
8907 if (!(*q = lock_user_string(addr)))
8908 goto execve_efault;
8909 }
8910 *q = NULL;
8911
8912 for (gp = guest_envp, q = envp; gp;
8913 gp += sizeof(abi_ulong), q++) {
8914 if (get_user_ual(addr, gp))
8915 goto execve_efault;
8916 if (!addr)
8917 break;
8918 if (!(*q = lock_user_string(addr)))
8919 goto execve_efault;
8920 }
8921 *q = NULL;
8922
8923 if (!(p = lock_user_string(arg1)))
8924 goto execve_efault;
8925
8926
8927
8928
8929
8930
8931
8932
8933
8934
8935 if (is_proc_myself(p, "exe")) {
8936 ret = get_errno(safe_execve(exec_path, argp, envp));
8937 } else {
8938 ret = get_errno(safe_execve(p, argp, envp));
8939 }
8940 unlock_user(p, arg1, 0);
8941
8942 goto execve_end;
8943
8944 execve_efault:
8945 ret = -TARGET_EFAULT;
8946
8947 execve_end:
8948 for (gp = guest_argp, q = argp; *q;
8949 gp += sizeof(abi_ulong), q++) {
8950 if (get_user_ual(addr, gp)
8951 || !addr)
8952 break;
8953 unlock_user(*q, addr, 0);
8954 }
8955 for (gp = guest_envp, q = envp; *q;
8956 gp += sizeof(abi_ulong), q++) {
8957 if (get_user_ual(addr, gp)
8958 || !addr)
8959 break;
8960 unlock_user(*q, addr, 0);
8961 }
8962
8963 g_free(argp);
8964 g_free(envp);
8965 }
8966 return ret;
8967 case TARGET_NR_chdir:
8968 if (!(p = lock_user_string(arg1)))
8969 return -TARGET_EFAULT;
8970 ret = get_errno(chdir(p));
8971 unlock_user(p, arg1, 0);
8972 return ret;
8973#ifdef TARGET_NR_time
8974 case TARGET_NR_time:
8975 {
8976 time_t host_time;
8977 ret = get_errno(time(&host_time));
8978 if (!is_error(ret)
8979 && arg1
8980 && put_user_sal(host_time, arg1))
8981 return -TARGET_EFAULT;
8982 }
8983 return ret;
8984#endif
8985#ifdef TARGET_NR_mknod
8986 case TARGET_NR_mknod:
8987 if (!(p = lock_user_string(arg1)))
8988 return -TARGET_EFAULT;
8989 ret = get_errno(mknod(p, arg2, arg3));
8990 unlock_user(p, arg1, 0);
8991 return ret;
8992#endif
8993#if defined(TARGET_NR_mknodat)
8994 case TARGET_NR_mknodat:
8995 if (!(p = lock_user_string(arg2)))
8996 return -TARGET_EFAULT;
8997 ret = get_errno(mknodat(arg1, p, arg3, arg4));
8998 unlock_user(p, arg2, 0);
8999 return ret;
9000#endif
9001#ifdef TARGET_NR_chmod
9002 case TARGET_NR_chmod:
9003 if (!(p = lock_user_string(arg1)))
9004 return -TARGET_EFAULT;
9005 ret = get_errno(chmod(p, arg2));
9006 unlock_user(p, arg1, 0);
9007 return ret;
9008#endif
9009#ifdef TARGET_NR_lseek
9010 case TARGET_NR_lseek:
9011 return get_errno(lseek(arg1, arg2, arg3));
9012#endif
9013#if defined(TARGET_NR_getxpid) && defined(TARGET_ALPHA)
9014
9015 case TARGET_NR_getxpid:
9016 cpu_env->ir[IR_A4] = getppid();
9017 return get_errno(getpid());
9018#endif
9019#ifdef TARGET_NR_getpid
9020 case TARGET_NR_getpid:
9021 return get_errno(getpid());
9022#endif
9023 case TARGET_NR_mount:
9024 {
9025
9026 void *p2, *p3;
9027
9028 if (arg1) {
9029 p = lock_user_string(arg1);
9030 if (!p) {
9031 return -TARGET_EFAULT;
9032 }
9033 } else {
9034 p = NULL;
9035 }
9036
9037 p2 = lock_user_string(arg2);
9038 if (!p2) {
9039 if (arg1) {
9040 unlock_user(p, arg1, 0);
9041 }
9042 return -TARGET_EFAULT;
9043 }
9044
9045 if (arg3) {
9046 p3 = lock_user_string(arg3);
9047 if (!p3) {
9048 if (arg1) {
9049 unlock_user(p, arg1, 0);
9050 }
9051 unlock_user(p2, arg2, 0);
9052 return -TARGET_EFAULT;
9053 }
9054 } else {
9055 p3 = NULL;
9056 }
9057
9058
9059
9060
9061
9062 if (!arg5) {
9063 ret = mount(p, p2, p3, (unsigned long)arg4, NULL);
9064 } else {
9065 ret = mount(p, p2, p3, (unsigned long)arg4, g2h(cpu, arg5));
9066 }
9067 ret = get_errno(ret);
9068
9069 if (arg1) {
9070 unlock_user(p, arg1, 0);
9071 }
9072 unlock_user(p2, arg2, 0);
9073 if (arg3) {
9074 unlock_user(p3, arg3, 0);
9075 }
9076 }
9077 return ret;
9078#if defined(TARGET_NR_umount) || defined(TARGET_NR_oldumount)
9079#if defined(TARGET_NR_umount)
9080 case TARGET_NR_umount:
9081#endif
9082#if defined(TARGET_NR_oldumount)
9083 case TARGET_NR_oldumount:
9084#endif
9085 if (!(p = lock_user_string(arg1)))
9086 return -TARGET_EFAULT;
9087 ret = get_errno(umount(p));
9088 unlock_user(p, arg1, 0);
9089 return ret;
9090#endif
9091#ifdef TARGET_NR_stime
9092 case TARGET_NR_stime:
9093 {
9094 struct timespec ts;
9095 ts.tv_nsec = 0;
9096 if (get_user_sal(ts.tv_sec, arg1)) {
9097 return -TARGET_EFAULT;
9098 }
9099 return get_errno(clock_settime(CLOCK_REALTIME, &ts));
9100 }
9101#endif
9102#ifdef TARGET_NR_alarm
9103 case TARGET_NR_alarm:
9104 return alarm(arg1);
9105#endif
9106#ifdef TARGET_NR_pause
9107 case TARGET_NR_pause:
9108 if (!block_signals()) {
9109 sigsuspend(&((TaskState *)cpu->opaque)->signal_mask);
9110 }
9111 return -TARGET_EINTR;
9112#endif
9113#ifdef TARGET_NR_utime
9114 case TARGET_NR_utime:
9115 {
9116 struct utimbuf tbuf, *host_tbuf;
9117 struct target_utimbuf *target_tbuf;
9118 if (arg2) {
9119 if (!lock_user_struct(VERIFY_READ, target_tbuf, arg2, 1))
9120 return -TARGET_EFAULT;
9121 tbuf.actime = tswapal(target_tbuf->actime);
9122 tbuf.modtime = tswapal(target_tbuf->modtime);
9123 unlock_user_struct(target_tbuf, arg2, 0);
9124 host_tbuf = &tbuf;
9125 } else {
9126 host_tbuf = NULL;
9127 }
9128 if (!(p = lock_user_string(arg1)))
9129 return -TARGET_EFAULT;
9130 ret = get_errno(utime(p, host_tbuf));
9131 unlock_user(p, arg1, 0);
9132 }
9133 return ret;
9134#endif
9135#ifdef TARGET_NR_utimes
9136 case TARGET_NR_utimes:
9137 {
9138 struct timeval *tvp, tv[2];
9139 if (arg2) {
9140 if (copy_from_user_timeval(&tv[0], arg2)
9141 || copy_from_user_timeval(&tv[1],
9142 arg2 + sizeof(struct target_timeval)))
9143 return -TARGET_EFAULT;
9144 tvp = tv;
9145 } else {
9146 tvp = NULL;
9147 }
9148 if (!(p = lock_user_string(arg1)))
9149 return -TARGET_EFAULT;
9150 ret = get_errno(utimes(p, tvp));
9151 unlock_user(p, arg1, 0);
9152 }
9153 return ret;
9154#endif
9155#if defined(TARGET_NR_futimesat)
9156 case TARGET_NR_futimesat:
9157 {
9158 struct timeval *tvp, tv[2];
9159 if (arg3) {
9160 if (copy_from_user_timeval(&tv[0], arg3)
9161 || copy_from_user_timeval(&tv[1],
9162 arg3 + sizeof(struct target_timeval)))
9163 return -TARGET_EFAULT;
9164 tvp = tv;
9165 } else {
9166 tvp = NULL;
9167 }
9168 if (!(p = lock_user_string(arg2))) {
9169 return -TARGET_EFAULT;
9170 }
9171 ret = get_errno(futimesat(arg1, path(p), tvp));
9172 unlock_user(p, arg2, 0);
9173 }
9174 return ret;
9175#endif
9176#ifdef TARGET_NR_access
9177 case TARGET_NR_access:
9178 if (!(p = lock_user_string(arg1))) {
9179 return -TARGET_EFAULT;
9180 }
9181 ret = get_errno(access(path(p), arg2));
9182 unlock_user(p, arg1, 0);
9183 return ret;
9184#endif
9185#if defined(TARGET_NR_faccessat) && defined(__NR_faccessat)
9186 case TARGET_NR_faccessat:
9187 if (!(p = lock_user_string(arg2))) {
9188 return -TARGET_EFAULT;
9189 }
9190 ret = get_errno(faccessat(arg1, p, arg3, 0));
9191 unlock_user(p, arg2, 0);
9192 return ret;
9193#endif
9194#if defined(TARGET_NR_faccessat2)
9195 case TARGET_NR_faccessat2:
9196 if (!(p = lock_user_string(arg2))) {
9197 return -TARGET_EFAULT;
9198 }
9199 ret = get_errno(faccessat(arg1, p, arg3, arg4));
9200 unlock_user(p, arg2, 0);
9201 return ret;
9202#endif
9203#ifdef TARGET_NR_nice
9204 case TARGET_NR_nice:
9205 return get_errno(nice(arg1));
9206#endif
9207 case TARGET_NR_sync:
9208 sync();
9209 return 0;
9210#if defined(TARGET_NR_syncfs) && defined(CONFIG_SYNCFS)
9211 case TARGET_NR_syncfs:
9212 return get_errno(syncfs(arg1));
9213#endif
9214 case TARGET_NR_kill:
9215 return get_errno(safe_kill(arg1, target_to_host_signal(arg2)));
9216#ifdef TARGET_NR_rename
9217 case TARGET_NR_rename:
9218 {
9219 void *p2;
9220 p = lock_user_string(arg1);
9221 p2 = lock_user_string(arg2);
9222 if (!p || !p2)
9223 ret = -TARGET_EFAULT;
9224 else
9225 ret = get_errno(rename(p, p2));
9226 unlock_user(p2, arg2, 0);
9227 unlock_user(p, arg1, 0);
9228 }
9229 return ret;
9230#endif
9231#if defined(TARGET_NR_renameat)
9232 case TARGET_NR_renameat:
9233 {
9234 void *p2;
9235 p = lock_user_string(arg2);
9236 p2 = lock_user_string(arg4);
9237 if (!p || !p2)
9238 ret = -TARGET_EFAULT;
9239 else
9240 ret = get_errno(renameat(arg1, p, arg3, p2));
9241 unlock_user(p2, arg4, 0);
9242 unlock_user(p, arg2, 0);
9243 }
9244 return ret;
9245#endif
9246#if defined(TARGET_NR_renameat2)
9247 case TARGET_NR_renameat2:
9248 {
9249 void *p2;
9250 p = lock_user_string(arg2);
9251 p2 = lock_user_string(arg4);
9252 if (!p || !p2) {
9253 ret = -TARGET_EFAULT;
9254 } else {
9255 ret = get_errno(sys_renameat2(arg1, p, arg3, p2, arg5));
9256 }
9257 unlock_user(p2, arg4, 0);
9258 unlock_user(p, arg2, 0);
9259 }
9260 return ret;
9261#endif
9262#ifdef TARGET_NR_mkdir
9263 case TARGET_NR_mkdir:
9264 if (!(p = lock_user_string(arg1)))
9265 return -TARGET_EFAULT;
9266 ret = get_errno(mkdir(p, arg2));
9267 unlock_user(p, arg1, 0);
9268 return ret;
9269#endif
9270#if defined(TARGET_NR_mkdirat)
9271 case TARGET_NR_mkdirat:
9272 if (!(p = lock_user_string(arg2)))
9273 return -TARGET_EFAULT;
9274 ret = get_errno(mkdirat(arg1, p, arg3));
9275 unlock_user(p, arg2, 0);
9276 return ret;
9277#endif
9278#ifdef TARGET_NR_rmdir
9279 case TARGET_NR_rmdir:
9280 if (!(p = lock_user_string(arg1)))
9281 return -TARGET_EFAULT;
9282 ret = get_errno(rmdir(p));
9283 unlock_user(p, arg1, 0);
9284 return ret;
9285#endif
9286 case TARGET_NR_dup:
9287 ret = get_errno(dup(arg1));
9288 if (ret >= 0) {
9289 fd_trans_dup(arg1, ret);
9290 }
9291 return ret;
9292#ifdef TARGET_NR_pipe
9293 case TARGET_NR_pipe:
9294 return do_pipe(cpu_env, arg1, 0, 0);
9295#endif
9296#ifdef TARGET_NR_pipe2
9297 case TARGET_NR_pipe2:
9298 return do_pipe(cpu_env, arg1,
9299 target_to_host_bitmask(arg2, fcntl_flags_tbl), 1);
9300#endif
9301 case TARGET_NR_times:
9302 {
9303 struct target_tms *tmsp;
9304 struct tms tms;
9305 ret = get_errno(times(&tms));
9306 if (arg1) {
9307 tmsp = lock_user(VERIFY_WRITE, arg1, sizeof(struct target_tms), 0);
9308 if (!tmsp)
9309 return -TARGET_EFAULT;
9310 tmsp->tms_utime = tswapal(host_to_target_clock_t(tms.tms_utime));
9311 tmsp->tms_stime = tswapal(host_to_target_clock_t(tms.tms_stime));
9312 tmsp->tms_cutime = tswapal(host_to_target_clock_t(tms.tms_cutime));
9313 tmsp->tms_cstime = tswapal(host_to_target_clock_t(tms.tms_cstime));
9314 }
9315 if (!is_error(ret))
9316 ret = host_to_target_clock_t(ret);
9317 }
9318 return ret;
9319 case TARGET_NR_acct:
9320 if (arg1 == 0) {
9321 ret = get_errno(acct(NULL));
9322 } else {
9323 if (!(p = lock_user_string(arg1))) {
9324 return -TARGET_EFAULT;
9325 }
9326 ret = get_errno(acct(path(p)));
9327 unlock_user(p, arg1, 0);
9328 }
9329 return ret;
9330#ifdef TARGET_NR_umount2
9331 case TARGET_NR_umount2:
9332 if (!(p = lock_user_string(arg1)))
9333 return -TARGET_EFAULT;
9334 ret = get_errno(umount2(p, arg2));
9335 unlock_user(p, arg1, 0);
9336 return ret;
9337#endif
9338 case TARGET_NR_ioctl:
9339 return do_ioctl(arg1, arg2, arg3);
9340#ifdef TARGET_NR_fcntl
9341 case TARGET_NR_fcntl:
9342 return do_fcntl(arg1, arg2, arg3);
9343#endif
9344 case TARGET_NR_setpgid:
9345 return get_errno(setpgid(arg1, arg2));
9346 case TARGET_NR_umask:
9347 return get_errno(umask(arg1));
9348 case TARGET_NR_chroot:
9349 if (!(p = lock_user_string(arg1)))
9350 return -TARGET_EFAULT;
9351 ret = get_errno(chroot(p));
9352 unlock_user(p, arg1, 0);
9353 return ret;
9354#ifdef TARGET_NR_dup2
9355 case TARGET_NR_dup2:
9356 ret = get_errno(dup2(arg1, arg2));
9357 if (ret >= 0) {
9358 fd_trans_dup(arg1, arg2);
9359 }
9360 return ret;
9361#endif
9362#if defined(CONFIG_DUP3) && defined(TARGET_NR_dup3)
9363 case TARGET_NR_dup3:
9364 {
9365 int host_flags;
9366
9367 if ((arg3 & ~TARGET_O_CLOEXEC) != 0) {
9368 return -EINVAL;
9369 }
9370 host_flags = target_to_host_bitmask(arg3, fcntl_flags_tbl);
9371 ret = get_errno(dup3(arg1, arg2, host_flags));
9372 if (ret >= 0) {
9373 fd_trans_dup(arg1, arg2);
9374 }
9375 return ret;
9376 }
9377#endif
9378#ifdef TARGET_NR_getppid
9379 case TARGET_NR_getppid:
9380 return get_errno(getppid());
9381#endif
9382#ifdef TARGET_NR_getpgrp
9383 case TARGET_NR_getpgrp:
9384 return get_errno(getpgrp());
9385#endif
9386 case TARGET_NR_setsid:
9387 return get_errno(setsid());
9388#ifdef TARGET_NR_sigaction
9389 case TARGET_NR_sigaction:
9390 {
9391#if defined(TARGET_MIPS)
9392 struct target_sigaction act, oact, *pact, *old_act;
9393
9394 if (arg2) {
9395 if (!lock_user_struct(VERIFY_READ, old_act, arg2, 1))
9396 return -TARGET_EFAULT;
9397 act._sa_handler = old_act->_sa_handler;
9398 target_siginitset(&act.sa_mask, old_act->sa_mask.sig[0]);
9399 act.sa_flags = old_act->sa_flags;
9400 unlock_user_struct(old_act, arg2, 0);
9401 pact = &act;
9402 } else {
9403 pact = NULL;
9404 }
9405
9406 ret = get_errno(do_sigaction(arg1, pact, &oact, 0));
9407
9408 if (!is_error(ret) && arg3) {
9409 if (!lock_user_struct(VERIFY_WRITE, old_act, arg3, 0))
9410 return -TARGET_EFAULT;
9411 old_act->_sa_handler = oact._sa_handler;
9412 old_act->sa_flags = oact.sa_flags;
9413 old_act->sa_mask.sig[0] = oact.sa_mask.sig[0];
9414 old_act->sa_mask.sig[1] = 0;
9415 old_act->sa_mask.sig[2] = 0;
9416 old_act->sa_mask.sig[3] = 0;
9417 unlock_user_struct(old_act, arg3, 1);
9418 }
9419#else
9420 struct target_old_sigaction *old_act;
9421 struct target_sigaction act, oact, *pact;
9422 if (arg2) {
9423 if (!lock_user_struct(VERIFY_READ, old_act, arg2, 1))
9424 return -TARGET_EFAULT;
9425 act._sa_handler = old_act->_sa_handler;
9426 target_siginitset(&act.sa_mask, old_act->sa_mask);
9427 act.sa_flags = old_act->sa_flags;
9428#ifdef TARGET_ARCH_HAS_SA_RESTORER
9429 act.sa_restorer = old_act->sa_restorer;
9430#endif
9431 unlock_user_struct(old_act, arg2, 0);
9432 pact = &act;
9433 } else {
9434 pact = NULL;
9435 }
9436 ret = get_errno(do_sigaction(arg1, pact, &oact, 0));
9437 if (!is_error(ret) && arg3) {
9438 if (!lock_user_struct(VERIFY_WRITE, old_act, arg3, 0))
9439 return -TARGET_EFAULT;
9440 old_act->_sa_handler = oact._sa_handler;
9441 old_act->sa_mask = oact.sa_mask.sig[0];
9442 old_act->sa_flags = oact.sa_flags;
9443#ifdef TARGET_ARCH_HAS_SA_RESTORER
9444 old_act->sa_restorer = oact.sa_restorer;
9445#endif
9446 unlock_user_struct(old_act, arg3, 1);
9447 }
9448#endif
9449 }
9450 return ret;
9451#endif
9452 case TARGET_NR_rt_sigaction:
9453 {
9454
9455
9456
9457
9458
9459
9460
9461#if defined(TARGET_ALPHA)
9462 target_ulong sigsetsize = arg4;
9463 target_ulong restorer = arg5;
9464#elif defined(TARGET_SPARC)
9465 target_ulong restorer = arg4;
9466 target_ulong sigsetsize = arg5;
9467#else
9468 target_ulong sigsetsize = arg4;
9469 target_ulong restorer = 0;
9470#endif
9471 struct target_sigaction *act = NULL;
9472 struct target_sigaction *oact = NULL;
9473
9474 if (sigsetsize != sizeof(target_sigset_t)) {
9475 return -TARGET_EINVAL;
9476 }
9477 if (arg2 && !lock_user_struct(VERIFY_READ, act, arg2, 1)) {
9478 return -TARGET_EFAULT;
9479 }
9480 if (arg3 && !lock_user_struct(VERIFY_WRITE, oact, arg3, 0)) {
9481 ret = -TARGET_EFAULT;
9482 } else {
9483 ret = get_errno(do_sigaction(arg1, act, oact, restorer));
9484 if (oact) {
9485 unlock_user_struct(oact, arg3, 1);
9486 }
9487 }
9488 if (act) {
9489 unlock_user_struct(act, arg2, 0);
9490 }
9491 }
9492 return ret;
9493#ifdef TARGET_NR_sgetmask
9494 case TARGET_NR_sgetmask:
9495 {
9496 sigset_t cur_set;
9497 abi_ulong target_set;
9498 ret = do_sigprocmask(0, NULL, &cur_set);
9499 if (!ret) {
9500 host_to_target_old_sigset(&target_set, &cur_set);
9501 ret = target_set;
9502 }
9503 }
9504 return ret;
9505#endif
9506#ifdef TARGET_NR_ssetmask
9507 case TARGET_NR_ssetmask:
9508 {
9509 sigset_t set, oset;
9510 abi_ulong target_set = arg1;
9511 target_to_host_old_sigset(&set, &target_set);
9512 ret = do_sigprocmask(SIG_SETMASK, &set, &oset);
9513 if (!ret) {
9514 host_to_target_old_sigset(&target_set, &oset);
9515 ret = target_set;
9516 }
9517 }
9518 return ret;
9519#endif
9520#ifdef TARGET_NR_sigprocmask
9521 case TARGET_NR_sigprocmask:
9522 {
9523#if defined(TARGET_ALPHA)
9524 sigset_t set, oldset;
9525 abi_ulong mask;
9526 int how;
9527
9528 switch (arg1) {
9529 case TARGET_SIG_BLOCK:
9530 how = SIG_BLOCK;
9531 break;
9532 case TARGET_SIG_UNBLOCK:
9533 how = SIG_UNBLOCK;
9534 break;
9535 case TARGET_SIG_SETMASK:
9536 how = SIG_SETMASK;
9537 break;
9538 default:
9539 return -TARGET_EINVAL;
9540 }
9541 mask = arg2;
9542 target_to_host_old_sigset(&set, &mask);
9543
9544 ret = do_sigprocmask(how, &set, &oldset);
9545 if (!is_error(ret)) {
9546 host_to_target_old_sigset(&mask, &oldset);
9547 ret = mask;
9548 cpu_env->ir[IR_V0] = 0;
9549 }
9550#else
9551 sigset_t set, oldset, *set_ptr;
9552 int how;
9553
9554 if (arg2) {
9555 p = lock_user(VERIFY_READ, arg2, sizeof(target_sigset_t), 1);
9556 if (!p) {
9557 return -TARGET_EFAULT;
9558 }
9559 target_to_host_old_sigset(&set, p);
9560 unlock_user(p, arg2, 0);
9561 set_ptr = &set;
9562 switch (arg1) {
9563 case TARGET_SIG_BLOCK:
9564 how = SIG_BLOCK;
9565 break;
9566 case TARGET_SIG_UNBLOCK:
9567 how = SIG_UNBLOCK;
9568 break;
9569 case TARGET_SIG_SETMASK:
9570 how = SIG_SETMASK;
9571 break;
9572 default:
9573 return -TARGET_EINVAL;
9574 }
9575 } else {
9576 how = 0;
9577 set_ptr = NULL;
9578 }
9579 ret = do_sigprocmask(how, set_ptr, &oldset);
9580 if (!is_error(ret) && arg3) {
9581 if (!(p = lock_user(VERIFY_WRITE, arg3, sizeof(target_sigset_t), 0)))
9582 return -TARGET_EFAULT;
9583 host_to_target_old_sigset(p, &oldset);
9584 unlock_user(p, arg3, sizeof(target_sigset_t));
9585 }
9586#endif
9587 }
9588 return ret;
9589#endif
9590 case TARGET_NR_rt_sigprocmask:
9591 {
9592 int how = arg1;
9593 sigset_t set, oldset, *set_ptr;
9594
9595 if (arg4 != sizeof(target_sigset_t)) {
9596 return -TARGET_EINVAL;
9597 }
9598
9599 if (arg2) {
9600 p = lock_user(VERIFY_READ, arg2, sizeof(target_sigset_t), 1);
9601 if (!p) {
9602 return -TARGET_EFAULT;
9603 }
9604 target_to_host_sigset(&set, p);
9605 unlock_user(p, arg2, 0);
9606 set_ptr = &set;
9607 switch(how) {
9608 case TARGET_SIG_BLOCK:
9609 how = SIG_BLOCK;
9610 break;
9611 case TARGET_SIG_UNBLOCK:
9612 how = SIG_UNBLOCK;
9613 break;
9614 case TARGET_SIG_SETMASK:
9615 how = SIG_SETMASK;
9616 break;
9617 default:
9618 return -TARGET_EINVAL;
9619 }
9620 } else {
9621 how = 0;
9622 set_ptr = NULL;
9623 }
9624 ret = do_sigprocmask(how, set_ptr, &oldset);
9625 if (!is_error(ret) && arg3) {
9626 if (!(p = lock_user(VERIFY_WRITE, arg3, sizeof(target_sigset_t), 0)))
9627 return -TARGET_EFAULT;
9628 host_to_target_sigset(p, &oldset);
9629 unlock_user(p, arg3, sizeof(target_sigset_t));
9630 }
9631 }
9632 return ret;
9633#ifdef TARGET_NR_sigpending
9634 case TARGET_NR_sigpending:
9635 {
9636 sigset_t set;
9637 ret = get_errno(sigpending(&set));
9638 if (!is_error(ret)) {
9639 if (!(p = lock_user(VERIFY_WRITE, arg1, sizeof(target_sigset_t), 0)))
9640 return -TARGET_EFAULT;
9641 host_to_target_old_sigset(p, &set);
9642 unlock_user(p, arg1, sizeof(target_sigset_t));
9643 }
9644 }
9645 return ret;
9646#endif
9647 case TARGET_NR_rt_sigpending:
9648 {
9649 sigset_t set;
9650
9651
9652
9653
9654
9655
9656 if (arg2 > sizeof(target_sigset_t)) {
9657 return -TARGET_EINVAL;
9658 }
9659
9660 ret = get_errno(sigpending(&set));
9661 if (!is_error(ret)) {
9662 if (!(p = lock_user(VERIFY_WRITE, arg1, sizeof(target_sigset_t), 0)))
9663 return -TARGET_EFAULT;
9664 host_to_target_sigset(p, &set);
9665 unlock_user(p, arg1, sizeof(target_sigset_t));
9666 }
9667 }
9668 return ret;
9669#ifdef TARGET_NR_sigsuspend
9670 case TARGET_NR_sigsuspend:
9671 {
9672 sigset_t *set;
9673
9674#if defined(TARGET_ALPHA)
9675 TaskState *ts = cpu->opaque;
9676
9677 abi_ulong mask = tswapal(arg1);
9678 set = &ts->sigsuspend_mask;
9679 target_to_host_old_sigset(set, &mask);
9680#else
9681 ret = process_sigsuspend_mask(&set, arg1, sizeof(target_sigset_t));
9682 if (ret != 0) {
9683 return ret;
9684 }
9685#endif
9686 ret = get_errno(safe_rt_sigsuspend(set, SIGSET_T_SIZE));
9687 finish_sigsuspend_mask(ret);
9688 }
9689 return ret;
9690#endif
9691 case TARGET_NR_rt_sigsuspend:
9692 {
9693 sigset_t *set;
9694
9695 ret = process_sigsuspend_mask(&set, arg1, arg2);
9696 if (ret != 0) {
9697 return ret;
9698 }
9699 ret = get_errno(safe_rt_sigsuspend(set, SIGSET_T_SIZE));
9700 finish_sigsuspend_mask(ret);
9701 }
9702 return ret;
9703#ifdef TARGET_NR_rt_sigtimedwait
9704 case TARGET_NR_rt_sigtimedwait:
9705 {
9706 sigset_t set;
9707 struct timespec uts, *puts;
9708 siginfo_t uinfo;
9709
9710 if (arg4 != sizeof(target_sigset_t)) {
9711 return -TARGET_EINVAL;
9712 }
9713
9714 if (!(p = lock_user(VERIFY_READ, arg1, sizeof(target_sigset_t), 1)))
9715 return -TARGET_EFAULT;
9716 target_to_host_sigset(&set, p);
9717 unlock_user(p, arg1, 0);
9718 if (arg3) {
9719 puts = &uts;
9720 if (target_to_host_timespec(puts, arg3)) {
9721 return -TARGET_EFAULT;
9722 }
9723 } else {
9724 puts = NULL;
9725 }
9726 ret = get_errno(safe_rt_sigtimedwait(&set, &uinfo, puts,
9727 SIGSET_T_SIZE));
9728 if (!is_error(ret)) {
9729 if (arg2) {
9730 p = lock_user(VERIFY_WRITE, arg2, sizeof(target_siginfo_t),
9731 0);
9732 if (!p) {
9733 return -TARGET_EFAULT;
9734 }
9735 host_to_target_siginfo(p, &uinfo);
9736 unlock_user(p, arg2, sizeof(target_siginfo_t));
9737 }
9738 ret = host_to_target_signal(ret);
9739 }
9740 }
9741 return ret;
9742#endif
9743#ifdef TARGET_NR_rt_sigtimedwait_time64
9744 case TARGET_NR_rt_sigtimedwait_time64:
9745 {
9746 sigset_t set;
9747 struct timespec uts, *puts;
9748 siginfo_t uinfo;
9749
9750 if (arg4 != sizeof(target_sigset_t)) {
9751 return -TARGET_EINVAL;
9752 }
9753
9754 p = lock_user(VERIFY_READ, arg1, sizeof(target_sigset_t), 1);
9755 if (!p) {
9756 return -TARGET_EFAULT;
9757 }
9758 target_to_host_sigset(&set, p);
9759 unlock_user(p, arg1, 0);
9760 if (arg3) {
9761 puts = &uts;
9762 if (target_to_host_timespec64(puts, arg3)) {
9763 return -TARGET_EFAULT;
9764 }
9765 } else {
9766 puts = NULL;
9767 }
9768 ret = get_errno(safe_rt_sigtimedwait(&set, &uinfo, puts,
9769 SIGSET_T_SIZE));
9770 if (!is_error(ret)) {
9771 if (arg2) {
9772 p = lock_user(VERIFY_WRITE, arg2,
9773 sizeof(target_siginfo_t), 0);
9774 if (!p) {
9775 return -TARGET_EFAULT;
9776 }
9777 host_to_target_siginfo(p, &uinfo);
9778 unlock_user(p, arg2, sizeof(target_siginfo_t));
9779 }
9780 ret = host_to_target_signal(ret);
9781 }
9782 }
9783 return ret;
9784#endif
9785 case TARGET_NR_rt_sigqueueinfo:
9786 {
9787 siginfo_t uinfo;
9788
9789 p = lock_user(VERIFY_READ, arg3, sizeof(target_siginfo_t), 1);
9790 if (!p) {
9791 return -TARGET_EFAULT;
9792 }
9793 target_to_host_siginfo(&uinfo, p);
9794 unlock_user(p, arg3, 0);
9795 ret = get_errno(sys_rt_sigqueueinfo(arg1, target_to_host_signal(arg2), &uinfo));
9796 }
9797 return ret;
9798 case TARGET_NR_rt_tgsigqueueinfo:
9799 {
9800 siginfo_t uinfo;
9801
9802 p = lock_user(VERIFY_READ, arg4, sizeof(target_siginfo_t), 1);
9803 if (!p) {
9804 return -TARGET_EFAULT;
9805 }
9806 target_to_host_siginfo(&uinfo, p);
9807 unlock_user(p, arg4, 0);
9808 ret = get_errno(sys_rt_tgsigqueueinfo(arg1, arg2, target_to_host_signal(arg3), &uinfo));
9809 }
9810 return ret;
9811#ifdef TARGET_NR_sigreturn
9812 case TARGET_NR_sigreturn:
9813 if (block_signals()) {
9814 return -QEMU_ERESTARTSYS;
9815 }
9816 return do_sigreturn(cpu_env);
9817#endif
9818 case TARGET_NR_rt_sigreturn:
9819 if (block_signals()) {
9820 return -QEMU_ERESTARTSYS;
9821 }
9822 return do_rt_sigreturn(cpu_env);
9823 case TARGET_NR_sethostname:
9824 if (!(p = lock_user_string(arg1)))
9825 return -TARGET_EFAULT;
9826 ret = get_errno(sethostname(p, arg2));
9827 unlock_user(p, arg1, 0);
9828 return ret;
9829#ifdef TARGET_NR_setrlimit
9830 case TARGET_NR_setrlimit:
9831 {
9832 int resource = target_to_host_resource(arg1);
9833 struct target_rlimit *target_rlim;
9834 struct rlimit rlim;
9835 if (!lock_user_struct(VERIFY_READ, target_rlim, arg2, 1))
9836 return -TARGET_EFAULT;
9837 rlim.rlim_cur = target_to_host_rlim(target_rlim->rlim_cur);
9838 rlim.rlim_max = target_to_host_rlim(target_rlim->rlim_max);
9839 unlock_user_struct(target_rlim, arg2, 0);
9840
9841
9842
9843
9844
9845
9846
9847
9848 if (resource != RLIMIT_AS &&
9849 resource != RLIMIT_DATA &&
9850 resource != RLIMIT_STACK) {
9851 return get_errno(setrlimit(resource, &rlim));
9852 } else {
9853 return 0;
9854 }
9855 }
9856#endif
9857#ifdef TARGET_NR_getrlimit
9858 case TARGET_NR_getrlimit:
9859 {
9860 int resource = target_to_host_resource(arg1);
9861 struct target_rlimit *target_rlim;
9862 struct rlimit rlim;
9863
9864 ret = get_errno(getrlimit(resource, &rlim));
9865 if (!is_error(ret)) {
9866 if (!lock_user_struct(VERIFY_WRITE, target_rlim, arg2, 0))
9867 return -TARGET_EFAULT;
9868 target_rlim->rlim_cur = host_to_target_rlim(rlim.rlim_cur);
9869 target_rlim->rlim_max = host_to_target_rlim(rlim.rlim_max);
9870 unlock_user_struct(target_rlim, arg2, 1);
9871 }
9872 }
9873 return ret;
9874#endif
9875 case TARGET_NR_getrusage:
9876 {
9877 struct rusage rusage;
9878 ret = get_errno(getrusage(arg1, &rusage));
9879 if (!is_error(ret)) {
9880 ret = host_to_target_rusage(arg2, &rusage);
9881 }
9882 }
9883 return ret;
9884#if defined(TARGET_NR_gettimeofday)
9885 case TARGET_NR_gettimeofday:
9886 {
9887 struct timeval tv;
9888 struct timezone tz;
9889
9890 ret = get_errno(gettimeofday(&tv, &tz));
9891 if (!is_error(ret)) {
9892 if (arg1 && copy_to_user_timeval(arg1, &tv)) {
9893 return -TARGET_EFAULT;
9894 }
9895 if (arg2 && copy_to_user_timezone(arg2, &tz)) {
9896 return -TARGET_EFAULT;
9897 }
9898 }
9899 }
9900 return ret;
9901#endif
9902#if defined(TARGET_NR_settimeofday)
9903 case TARGET_NR_settimeofday:
9904 {
9905 struct timeval tv, *ptv = NULL;
9906 struct timezone tz, *ptz = NULL;
9907
9908 if (arg1) {
9909 if (copy_from_user_timeval(&tv, arg1)) {
9910 return -TARGET_EFAULT;
9911 }
9912 ptv = &tv;
9913 }
9914
9915 if (arg2) {
9916 if (copy_from_user_timezone(&tz, arg2)) {
9917 return -TARGET_EFAULT;
9918 }
9919 ptz = &tz;
9920 }
9921
9922 return get_errno(settimeofday(ptv, ptz));
9923 }
9924#endif
9925#if defined(TARGET_NR_select)
9926 case TARGET_NR_select:
9927#if defined(TARGET_WANT_NI_OLD_SELECT)
9928
9929
9930
9931 ret = -TARGET_ENOSYS;
9932#elif defined(TARGET_WANT_OLD_SYS_SELECT)
9933 ret = do_old_select(arg1);
9934#else
9935 ret = do_select(arg1, arg2, arg3, arg4, arg5);
9936#endif
9937 return ret;
9938#endif
9939#ifdef TARGET_NR_pselect6
9940 case TARGET_NR_pselect6:
9941 return do_pselect6(arg1, arg2, arg3, arg4, arg5, arg6, false);
9942#endif
9943#ifdef TARGET_NR_pselect6_time64
9944 case TARGET_NR_pselect6_time64:
9945 return do_pselect6(arg1, arg2, arg3, arg4, arg5, arg6, true);
9946#endif
9947#ifdef TARGET_NR_symlink
9948 case TARGET_NR_symlink:
9949 {
9950 void *p2;
9951 p = lock_user_string(arg1);
9952 p2 = lock_user_string(arg2);
9953 if (!p || !p2)
9954 ret = -TARGET_EFAULT;
9955 else
9956 ret = get_errno(symlink(p, p2));
9957 unlock_user(p2, arg2, 0);
9958 unlock_user(p, arg1, 0);
9959 }
9960 return ret;
9961#endif
9962#if defined(TARGET_NR_symlinkat)
9963 case TARGET_NR_symlinkat:
9964 {
9965 void *p2;
9966 p = lock_user_string(arg1);
9967 p2 = lock_user_string(arg3);
9968 if (!p || !p2)
9969 ret = -TARGET_EFAULT;
9970 else
9971 ret = get_errno(symlinkat(p, arg2, p2));
9972 unlock_user(p2, arg3, 0);
9973 unlock_user(p, arg1, 0);
9974 }
9975 return ret;
9976#endif
9977#ifdef TARGET_NR_readlink
9978 case TARGET_NR_readlink:
9979 {
9980 void *p2;
9981 p = lock_user_string(arg1);
9982 p2 = lock_user(VERIFY_WRITE, arg2, arg3, 0);
9983 if (!p || !p2) {
9984 ret = -TARGET_EFAULT;
9985 } else if (!arg3) {
9986
9987 ret = -TARGET_EINVAL;
9988 } else if (is_proc_myself((const char *)p, "exe")) {
9989 char real[PATH_MAX], *temp;
9990 temp = realpath(exec_path, real);
9991
9992 if (temp == NULL) {
9993 ret = get_errno(-1);
9994 } else {
9995
9996
9997 ret = MIN(strlen(real), arg3);
9998
9999 memcpy(p2, real, ret);
10000 }
10001 } else {
10002 ret = get_errno(readlink(path(p), p2, arg3));
10003 }
10004 unlock_user(p2, arg2, ret);
10005 unlock_user(p, arg1, 0);
10006 }
10007 return ret;
10008#endif
10009#if defined(TARGET_NR_readlinkat)
10010 case TARGET_NR_readlinkat:
10011 {
10012 void *p2;
10013 p = lock_user_string(arg2);
10014 p2 = lock_user(VERIFY_WRITE, arg3, arg4, 0);
10015 if (!p || !p2) {
10016 ret = -TARGET_EFAULT;
10017 } else if (!arg4) {
10018
10019 ret = -TARGET_EINVAL;
10020 } else if (is_proc_myself((const char *)p, "exe")) {
10021 char real[PATH_MAX], *temp;
10022 temp = realpath(exec_path, real);
10023
10024 if (temp == NULL) {
10025 ret = get_errno(-1);
10026 } else {
10027
10028
10029 ret = MIN(strlen(real), arg4);
10030
10031 memcpy(p2, real, ret);
10032 }
10033 } else {
10034 ret = get_errno(readlinkat(arg1, path(p), p2, arg4));
10035 }
10036 unlock_user(p2, arg3, ret);
10037 unlock_user(p, arg2, 0);
10038 }
10039 return ret;
10040#endif
10041#ifdef TARGET_NR_swapon
10042 case TARGET_NR_swapon:
10043 if (!(p = lock_user_string(arg1)))
10044 return -TARGET_EFAULT;
10045 ret = get_errno(swapon(p, arg2));
10046 unlock_user(p, arg1, 0);
10047 return ret;
10048#endif
10049 case TARGET_NR_reboot:
10050 if (arg3 == LINUX_REBOOT_CMD_RESTART2) {
10051
10052 p = lock_user_string(arg4);
10053 if (!p) {
10054 return -TARGET_EFAULT;
10055 }
10056 ret = get_errno(reboot(arg1, arg2, arg3, p));
10057 unlock_user(p, arg4, 0);
10058 } else {
10059 ret = get_errno(reboot(arg1, arg2, arg3, NULL));
10060 }
10061 return ret;
10062#ifdef TARGET_NR_mmap
10063 case TARGET_NR_mmap:
10064#if (defined(TARGET_I386) && defined(TARGET_ABI32)) || \
10065 (defined(TARGET_ARM) && defined(TARGET_ABI32)) || \
10066 defined(TARGET_M68K) || defined(TARGET_CRIS) || defined(TARGET_MICROBLAZE) \
10067 || defined(TARGET_S390X)
10068 {
10069 abi_ulong *v;
10070 abi_ulong v1, v2, v3, v4, v5, v6;
10071 if (!(v = lock_user(VERIFY_READ, arg1, 6 * sizeof(abi_ulong), 1)))
10072 return -TARGET_EFAULT;
10073 v1 = tswapal(v[0]);
10074 v2 = tswapal(v[1]);
10075 v3 = tswapal(v[2]);
10076 v4 = tswapal(v[3]);
10077 v5 = tswapal(v[4]);
10078 v6 = tswapal(v[5]);
10079 unlock_user(v, arg1, 0);
10080 ret = get_errno(target_mmap(v1, v2, v3,
10081 target_to_host_bitmask(v4, mmap_flags_tbl),
10082 v5, v6));
10083 }
10084#else
10085
10086 ret = get_errno(target_mmap(arg1, arg2, arg3,
10087 target_to_host_bitmask(arg4, mmap_flags_tbl),
10088 arg5,
10089 arg6));
10090#endif
10091 return ret;
10092#endif
10093#ifdef TARGET_NR_mmap2
10094 case TARGET_NR_mmap2:
10095#ifndef MMAP_SHIFT
10096#define MMAP_SHIFT 12
10097#endif
10098 ret = target_mmap(arg1, arg2, arg3,
10099 target_to_host_bitmask(arg4, mmap_flags_tbl),
10100 arg5, arg6 << MMAP_SHIFT);
10101 return get_errno(ret);
10102#endif
10103 case TARGET_NR_munmap:
10104 arg1 = cpu_untagged_addr(cpu, arg1);
10105 return get_errno(target_munmap(arg1, arg2));
10106 case TARGET_NR_mprotect:
10107 arg1 = cpu_untagged_addr(cpu, arg1);
10108 {
10109 TaskState *ts = cpu->opaque;
10110
10111 if ((arg3 & PROT_GROWSDOWN)
10112 && arg1 >= ts->info->stack_limit
10113 && arg1 <= ts->info->start_stack) {
10114 arg3 &= ~PROT_GROWSDOWN;
10115 arg2 = arg2 + arg1 - ts->info->stack_limit;
10116 arg1 = ts->info->stack_limit;
10117 }
10118 }
10119 return get_errno(target_mprotect(arg1, arg2, arg3));
10120#ifdef TARGET_NR_mremap
10121 case TARGET_NR_mremap:
10122 arg1 = cpu_untagged_addr(cpu, arg1);
10123
10124 return get_errno(target_mremap(arg1, arg2, arg3, arg4, arg5));
10125#endif
10126
10127#ifdef TARGET_NR_msync
10128 case TARGET_NR_msync:
10129 return get_errno(msync(g2h(cpu, arg1), arg2, arg3));
10130#endif
10131#ifdef TARGET_NR_mlock
10132 case TARGET_NR_mlock:
10133 return get_errno(mlock(g2h(cpu, arg1), arg2));
10134#endif
10135#ifdef TARGET_NR_munlock
10136 case TARGET_NR_munlock:
10137 return get_errno(munlock(g2h(cpu, arg1), arg2));
10138#endif
10139#ifdef TARGET_NR_mlockall
10140 case TARGET_NR_mlockall:
10141 return get_errno(mlockall(target_to_host_mlockall_arg(arg1)));
10142#endif
10143#ifdef TARGET_NR_munlockall
10144 case TARGET_NR_munlockall:
10145 return get_errno(munlockall());
10146#endif
10147#ifdef TARGET_NR_truncate
10148 case TARGET_NR_truncate:
10149 if (!(p = lock_user_string(arg1)))
10150 return -TARGET_EFAULT;
10151 ret = get_errno(truncate(p, arg2));
10152 unlock_user(p, arg1, 0);
10153 return ret;
10154#endif
10155#ifdef TARGET_NR_ftruncate
10156 case TARGET_NR_ftruncate:
10157 return get_errno(ftruncate(arg1, arg2));
10158#endif
10159 case TARGET_NR_fchmod:
10160 return get_errno(fchmod(arg1, arg2));
10161#if defined(TARGET_NR_fchmodat)
10162 case TARGET_NR_fchmodat:
10163 if (!(p = lock_user_string(arg2)))
10164 return -TARGET_EFAULT;
10165 ret = get_errno(fchmodat(arg1, p, arg3, 0));
10166 unlock_user(p, arg2, 0);
10167 return ret;
10168#endif
10169 case TARGET_NR_getpriority:
10170
10171
10172 errno = 0;
10173 ret = getpriority(arg1, arg2);
10174 if (ret == -1 && errno != 0) {
10175 return -host_to_target_errno(errno);
10176 }
10177#ifdef TARGET_ALPHA
10178
10179 cpu_env->ir[IR_V0] = 0;
10180#else
10181
10182 ret = 20 - ret;
10183#endif
10184 return ret;
10185 case TARGET_NR_setpriority:
10186 return get_errno(setpriority(arg1, arg2, arg3));
10187#ifdef TARGET_NR_statfs
10188 case TARGET_NR_statfs:
10189 if (!(p = lock_user_string(arg1))) {
10190 return -TARGET_EFAULT;
10191 }
10192 ret = get_errno(statfs(path(p), &stfs));
10193 unlock_user(p, arg1, 0);
10194 convert_statfs:
10195 if (!is_error(ret)) {
10196 struct target_statfs *target_stfs;
10197
10198 if (!lock_user_struct(VERIFY_WRITE, target_stfs, arg2, 0))
10199 return -TARGET_EFAULT;
10200 __put_user(stfs.f_type, &target_stfs->f_type);
10201 __put_user(stfs.f_bsize, &target_stfs->f_bsize);
10202 __put_user(stfs.f_blocks, &target_stfs->f_blocks);
10203 __put_user(stfs.f_bfree, &target_stfs->f_bfree);
10204 __put_user(stfs.f_bavail, &target_stfs->f_bavail);
10205 __put_user(stfs.f_files, &target_stfs->f_files);
10206 __put_user(stfs.f_ffree, &target_stfs->f_ffree);
10207 __put_user(stfs.f_fsid.__val[0], &target_stfs->f_fsid.val[0]);
10208 __put_user(stfs.f_fsid.__val[1], &target_stfs->f_fsid.val[1]);
10209 __put_user(stfs.f_namelen, &target_stfs->f_namelen);
10210 __put_user(stfs.f_frsize, &target_stfs->f_frsize);
10211#ifdef _STATFS_F_FLAGS
10212 __put_user(stfs.f_flags, &target_stfs->f_flags);
10213#else
10214 __put_user(0, &target_stfs->f_flags);
10215#endif
10216 memset(target_stfs->f_spare, 0, sizeof(target_stfs->f_spare));
10217 unlock_user_struct(target_stfs, arg2, 1);
10218 }
10219 return ret;
10220#endif
10221#ifdef TARGET_NR_fstatfs
10222 case TARGET_NR_fstatfs:
10223 ret = get_errno(fstatfs(arg1, &stfs));
10224 goto convert_statfs;
10225#endif
10226#ifdef TARGET_NR_statfs64
10227 case TARGET_NR_statfs64:
10228 if (!(p = lock_user_string(arg1))) {
10229 return -TARGET_EFAULT;
10230 }
10231 ret = get_errno(statfs(path(p), &stfs));
10232 unlock_user(p, arg1, 0);
10233 convert_statfs64:
10234 if (!is_error(ret)) {
10235 struct target_statfs64 *target_stfs;
10236
10237 if (!lock_user_struct(VERIFY_WRITE, target_stfs, arg3, 0))
10238 return -TARGET_EFAULT;
10239 __put_user(stfs.f_type, &target_stfs->f_type);
10240 __put_user(stfs.f_bsize, &target_stfs->f_bsize);
10241 __put_user(stfs.f_blocks, &target_stfs->f_blocks);
10242 __put_user(stfs.f_bfree, &target_stfs->f_bfree);
10243 __put_user(stfs.f_bavail, &target_stfs->f_bavail);
10244 __put_user(stfs.f_files, &target_stfs->f_files);
10245 __put_user(stfs.f_ffree, &target_stfs->f_ffree);
10246 __put_user(stfs.f_fsid.__val[0], &target_stfs->f_fsid.val[0]);
10247 __put_user(stfs.f_fsid.__val[1], &target_stfs->f_fsid.val[1]);
10248 __put_user(stfs.f_namelen, &target_stfs->f_namelen);
10249 __put_user(stfs.f_frsize, &target_stfs->f_frsize);
10250#ifdef _STATFS_F_FLAGS
10251 __put_user(stfs.f_flags, &target_stfs->f_flags);
10252#else
10253 __put_user(0, &target_stfs->f_flags);
10254#endif
10255 memset(target_stfs->f_spare, 0, sizeof(target_stfs->f_spare));
10256 unlock_user_struct(target_stfs, arg3, 1);
10257 }
10258 return ret;
10259 case TARGET_NR_fstatfs64:
10260 ret = get_errno(fstatfs(arg1, &stfs));
10261 goto convert_statfs64;
10262#endif
10263#ifdef TARGET_NR_socketcall
10264 case TARGET_NR_socketcall:
10265 return do_socketcall(arg1, arg2);
10266#endif
10267#ifdef TARGET_NR_accept
10268 case TARGET_NR_accept:
10269 return do_accept4(arg1, arg2, arg3, 0);
10270#endif
10271#ifdef TARGET_NR_accept4
10272 case TARGET_NR_accept4:
10273 return do_accept4(arg1, arg2, arg3, arg4);
10274#endif
10275#ifdef TARGET_NR_bind
10276 case TARGET_NR_bind:
10277 return do_bind(arg1, arg2, arg3);
10278#endif
10279#ifdef TARGET_NR_connect
10280 case TARGET_NR_connect:
10281 return do_connect(arg1, arg2, arg3);
10282#endif
10283#ifdef TARGET_NR_getpeername
10284 case TARGET_NR_getpeername:
10285 return do_getpeername(arg1, arg2, arg3);
10286#endif
10287#ifdef TARGET_NR_getsockname
10288 case TARGET_NR_getsockname:
10289 return do_getsockname(arg1, arg2, arg3);
10290#endif
10291#ifdef TARGET_NR_getsockopt
10292 case TARGET_NR_getsockopt:
10293 return do_getsockopt(arg1, arg2, arg3, arg4, arg5);
10294#endif
10295#ifdef TARGET_NR_listen
10296 case TARGET_NR_listen:
10297 return get_errno(listen(arg1, arg2));
10298#endif
10299#ifdef TARGET_NR_recv
10300 case TARGET_NR_recv:
10301 return do_recvfrom(arg1, arg2, arg3, arg4, 0, 0);
10302#endif
10303#ifdef TARGET_NR_recvfrom
10304 case TARGET_NR_recvfrom:
10305 return do_recvfrom(arg1, arg2, arg3, arg4, arg5, arg6);
10306#endif
10307#ifdef TARGET_NR_recvmsg
10308 case TARGET_NR_recvmsg:
10309 return do_sendrecvmsg(arg1, arg2, arg3, 0);
10310#endif
10311#ifdef TARGET_NR_send
10312 case TARGET_NR_send:
10313 return do_sendto(arg1, arg2, arg3, arg4, 0, 0);
10314#endif
10315#ifdef TARGET_NR_sendmsg
10316 case TARGET_NR_sendmsg:
10317 return do_sendrecvmsg(arg1, arg2, arg3, 1);
10318#endif
10319#ifdef TARGET_NR_sendmmsg
10320 case TARGET_NR_sendmmsg:
10321 return do_sendrecvmmsg(arg1, arg2, arg3, arg4, 1);
10322#endif
10323#ifdef TARGET_NR_recvmmsg
10324 case TARGET_NR_recvmmsg:
10325 return do_sendrecvmmsg(arg1, arg2, arg3, arg4, 0);
10326#endif
10327#ifdef TARGET_NR_sendto
10328 case TARGET_NR_sendto:
10329 return do_sendto(arg1, arg2, arg3, arg4, arg5, arg6);
10330#endif
10331#ifdef TARGET_NR_shutdown
10332 case TARGET_NR_shutdown:
10333 return get_errno(shutdown(arg1, arg2));
10334#endif
10335#if defined(TARGET_NR_getrandom) && defined(__NR_getrandom)
10336 case TARGET_NR_getrandom:
10337 p = lock_user(VERIFY_WRITE, arg1, arg2, 0);
10338 if (!p) {
10339 return -TARGET_EFAULT;
10340 }
10341 ret = get_errno(getrandom(p, arg2, arg3));
10342 unlock_user(p, arg1, ret);
10343 return ret;
10344#endif
10345#ifdef TARGET_NR_socket
10346 case TARGET_NR_socket:
10347 return do_socket(arg1, arg2, arg3);
10348#endif
10349#ifdef TARGET_NR_socketpair
10350 case TARGET_NR_socketpair:
10351 return do_socketpair(arg1, arg2, arg3, arg4);
10352#endif
10353#ifdef TARGET_NR_setsockopt
10354 case TARGET_NR_setsockopt:
10355 return do_setsockopt(arg1, arg2, arg3, arg4, (socklen_t) arg5);
10356#endif
10357#if defined(TARGET_NR_syslog)
10358 case TARGET_NR_syslog:
10359 {
10360 int len = arg2;
10361
10362 switch (arg1) {
10363 case TARGET_SYSLOG_ACTION_CLOSE:
10364 case TARGET_SYSLOG_ACTION_OPEN:
10365 case TARGET_SYSLOG_ACTION_CLEAR:
10366 case TARGET_SYSLOG_ACTION_CONSOLE_OFF:
10367 case TARGET_SYSLOG_ACTION_CONSOLE_ON:
10368 case TARGET_SYSLOG_ACTION_CONSOLE_LEVEL:
10369 case TARGET_SYSLOG_ACTION_SIZE_UNREAD:
10370 case TARGET_SYSLOG_ACTION_SIZE_BUFFER:
10371 return get_errno(sys_syslog((int)arg1, NULL, (int)arg3));
10372 case TARGET_SYSLOG_ACTION_READ:
10373 case TARGET_SYSLOG_ACTION_READ_CLEAR:
10374 case TARGET_SYSLOG_ACTION_READ_ALL:
10375 {
10376 if (len < 0) {
10377 return -TARGET_EINVAL;
10378 }
10379 if (len == 0) {
10380 return 0;
10381 }
10382 p = lock_user(VERIFY_WRITE, arg2, arg3, 0);
10383 if (!p) {
10384 return -TARGET_EFAULT;
10385 }
10386 ret = get_errno(sys_syslog((int)arg1, p, (int)arg3));
10387 unlock_user(p, arg2, arg3);
10388 }
10389 return ret;
10390 default:
10391 return -TARGET_EINVAL;
10392 }
10393 }
10394 break;
10395#endif
10396 case TARGET_NR_setitimer:
10397 {
10398 struct itimerval value, ovalue, *pvalue;
10399
10400 if (arg2) {
10401 pvalue = &value;
10402 if (copy_from_user_timeval(&pvalue->it_interval, arg2)
10403 || copy_from_user_timeval(&pvalue->it_value,
10404 arg2 + sizeof(struct target_timeval)))
10405 return -TARGET_EFAULT;
10406 } else {
10407 pvalue = NULL;
10408 }
10409 ret = get_errno(setitimer(arg1, pvalue, &ovalue));
10410 if (!is_error(ret) && arg3) {
10411 if (copy_to_user_timeval(arg3,
10412 &ovalue.it_interval)
10413 || copy_to_user_timeval(arg3 + sizeof(struct target_timeval),
10414 &ovalue.it_value))
10415 return -TARGET_EFAULT;
10416 }
10417 }
10418 return ret;
10419 case TARGET_NR_getitimer:
10420 {
10421 struct itimerval value;
10422
10423 ret = get_errno(getitimer(arg1, &value));
10424 if (!is_error(ret) && arg2) {
10425 if (copy_to_user_timeval(arg2,
10426 &value.it_interval)
10427 || copy_to_user_timeval(arg2 + sizeof(struct target_timeval),
10428 &value.it_value))
10429 return -TARGET_EFAULT;
10430 }
10431 }
10432 return ret;
10433#ifdef TARGET_NR_stat
10434 case TARGET_NR_stat:
10435 if (!(p = lock_user_string(arg1))) {
10436 return -TARGET_EFAULT;
10437 }
10438 ret = get_errno(stat(path(p), &st));
10439 unlock_user(p, arg1, 0);
10440 goto do_stat;
10441#endif
10442#ifdef TARGET_NR_lstat
10443 case TARGET_NR_lstat:
10444 if (!(p = lock_user_string(arg1))) {
10445 return -TARGET_EFAULT;
10446 }
10447 ret = get_errno(lstat(path(p), &st));
10448 unlock_user(p, arg1, 0);
10449 goto do_stat;
10450#endif
10451#ifdef TARGET_NR_fstat
10452 case TARGET_NR_fstat:
10453 {
10454 ret = get_errno(fstat(arg1, &st));
10455#if defined(TARGET_NR_stat) || defined(TARGET_NR_lstat)
10456 do_stat:
10457#endif
10458 if (!is_error(ret)) {
10459 struct target_stat *target_st;
10460
10461 if (!lock_user_struct(VERIFY_WRITE, target_st, arg2, 0))
10462 return -TARGET_EFAULT;
10463 memset(target_st, 0, sizeof(*target_st));
10464 __put_user(st.st_dev, &target_st->st_dev);
10465 __put_user(st.st_ino, &target_st->st_ino);
10466 __put_user(st.st_mode, &target_st->st_mode);
10467 __put_user(st.st_uid, &target_st->st_uid);
10468 __put_user(st.st_gid, &target_st->st_gid);
10469 __put_user(st.st_nlink, &target_st->st_nlink);
10470 __put_user(st.st_rdev, &target_st->st_rdev);
10471 __put_user(st.st_size, &target_st->st_size);
10472 __put_user(st.st_blksize, &target_st->st_blksize);
10473 __put_user(st.st_blocks, &target_st->st_blocks);
10474 __put_user(st.st_atime, &target_st->target_st_atime);
10475 __put_user(st.st_mtime, &target_st->target_st_mtime);
10476 __put_user(st.st_ctime, &target_st->target_st_ctime);
10477#if defined(HAVE_STRUCT_STAT_ST_ATIM) && defined(TARGET_STAT_HAVE_NSEC)
10478 __put_user(st.st_atim.tv_nsec,
10479 &target_st->target_st_atime_nsec);
10480 __put_user(st.st_mtim.tv_nsec,
10481 &target_st->target_st_mtime_nsec);
10482 __put_user(st.st_ctim.tv_nsec,
10483 &target_st->target_st_ctime_nsec);
10484#endif
10485 unlock_user_struct(target_st, arg2, 1);
10486 }
10487 }
10488 return ret;
10489#endif
10490 case TARGET_NR_vhangup:
10491 return get_errno(vhangup());
10492#ifdef TARGET_NR_syscall
10493 case TARGET_NR_syscall:
10494 return do_syscall(cpu_env, arg1 & 0xffff, arg2, arg3, arg4, arg5,
10495 arg6, arg7, arg8, 0);
10496#endif
10497#if defined(TARGET_NR_wait4)
10498 case TARGET_NR_wait4:
10499 {
10500 int status;
10501 abi_long status_ptr = arg2;
10502 struct rusage rusage, *rusage_ptr;
10503 abi_ulong target_rusage = arg4;
10504 abi_long rusage_err;
10505 if (target_rusage)
10506 rusage_ptr = &rusage;
10507 else
10508 rusage_ptr = NULL;
10509 ret = get_errno(safe_wait4(arg1, &status, arg3, rusage_ptr));
10510 if (!is_error(ret)) {
10511 if (status_ptr && ret) {
10512 status = host_to_target_waitstatus(status);
10513 if (put_user_s32(status, status_ptr))
10514 return -TARGET_EFAULT;
10515 }
10516 if (target_rusage) {
10517 rusage_err = host_to_target_rusage(target_rusage, &rusage);
10518 if (rusage_err) {
10519 ret = rusage_err;
10520 }
10521 }
10522 }
10523 }
10524 return ret;
10525#endif
10526#ifdef TARGET_NR_swapoff
10527 case TARGET_NR_swapoff:
10528 if (!(p = lock_user_string(arg1)))
10529 return -TARGET_EFAULT;
10530 ret = get_errno(swapoff(p));
10531 unlock_user(p, arg1, 0);
10532 return ret;
10533#endif
10534 case TARGET_NR_sysinfo:
10535 {
10536 struct target_sysinfo *target_value;
10537 struct sysinfo value;
10538 ret = get_errno(sysinfo(&value));
10539 if (!is_error(ret) && arg1)
10540 {
10541 if (!lock_user_struct(VERIFY_WRITE, target_value, arg1, 0))
10542 return -TARGET_EFAULT;
10543 __put_user(value.uptime, &target_value->uptime);
10544 __put_user(value.loads[0], &target_value->loads[0]);
10545 __put_user(value.loads[1], &target_value->loads[1]);
10546 __put_user(value.loads[2], &target_value->loads[2]);
10547 __put_user(value.totalram, &target_value->totalram);
10548 __put_user(value.freeram, &target_value->freeram);
10549 __put_user(value.sharedram, &target_value->sharedram);
10550 __put_user(value.bufferram, &target_value->bufferram);
10551 __put_user(value.totalswap, &target_value->totalswap);
10552 __put_user(value.freeswap, &target_value->freeswap);
10553 __put_user(value.procs, &target_value->procs);
10554 __put_user(value.totalhigh, &target_value->totalhigh);
10555 __put_user(value.freehigh, &target_value->freehigh);
10556 __put_user(value.mem_unit, &target_value->mem_unit);
10557 unlock_user_struct(target_value, arg1, 1);
10558 }
10559 }
10560 return ret;
10561#ifdef TARGET_NR_ipc
10562 case TARGET_NR_ipc:
10563 return do_ipc(cpu_env, arg1, arg2, arg3, arg4, arg5, arg6);
10564#endif
10565#ifdef TARGET_NR_semget
10566 case TARGET_NR_semget:
10567 return get_errno(semget(arg1, arg2, arg3));
10568#endif
10569#ifdef TARGET_NR_semop
10570 case TARGET_NR_semop:
10571 return do_semtimedop(arg1, arg2, arg3, 0, false);
10572#endif
10573#ifdef TARGET_NR_semtimedop
10574 case TARGET_NR_semtimedop:
10575 return do_semtimedop(arg1, arg2, arg3, arg4, false);
10576#endif
10577#ifdef TARGET_NR_semtimedop_time64
10578 case TARGET_NR_semtimedop_time64:
10579 return do_semtimedop(arg1, arg2, arg3, arg4, true);
10580#endif
10581#ifdef TARGET_NR_semctl
10582 case TARGET_NR_semctl:
10583 return do_semctl(arg1, arg2, arg3, arg4);
10584#endif
10585#ifdef TARGET_NR_msgctl
10586 case TARGET_NR_msgctl:
10587 return do_msgctl(arg1, arg2, arg3);
10588#endif
10589#ifdef TARGET_NR_msgget
10590 case TARGET_NR_msgget:
10591 return get_errno(msgget(arg1, arg2));
10592#endif
10593#ifdef TARGET_NR_msgrcv
10594 case TARGET_NR_msgrcv:
10595 return do_msgrcv(arg1, arg2, arg3, arg4, arg5);
10596#endif
10597#ifdef TARGET_NR_msgsnd
10598 case TARGET_NR_msgsnd:
10599 return do_msgsnd(arg1, arg2, arg3, arg4);
10600#endif
10601#ifdef TARGET_NR_shmget
10602 case TARGET_NR_shmget:
10603 return get_errno(shmget(arg1, arg2, arg3));
10604#endif
10605#ifdef TARGET_NR_shmctl
10606 case TARGET_NR_shmctl:
10607 return do_shmctl(arg1, arg2, arg3);
10608#endif
10609#ifdef TARGET_NR_shmat
10610 case TARGET_NR_shmat:
10611 return do_shmat(cpu_env, arg1, arg2, arg3);
10612#endif
10613#ifdef TARGET_NR_shmdt
10614 case TARGET_NR_shmdt:
10615 return do_shmdt(arg1);
10616#endif
10617 case TARGET_NR_fsync:
10618 return get_errno(fsync(arg1));
10619 case TARGET_NR_clone:
10620
10621
10622
10623
10624
10625
10626#if defined(TARGET_MICROBLAZE)
10627 ret = get_errno(do_fork(cpu_env, arg1, arg2, arg4, arg6, arg5));
10628#elif defined(TARGET_CLONE_BACKWARDS)
10629 ret = get_errno(do_fork(cpu_env, arg1, arg2, arg3, arg4, arg5));
10630#elif defined(TARGET_CLONE_BACKWARDS2)
10631 ret = get_errno(do_fork(cpu_env, arg2, arg1, arg3, arg5, arg4));
10632#else
10633 ret = get_errno(do_fork(cpu_env, arg1, arg2, arg3, arg5, arg4));
10634#endif
10635 return ret;
10636#ifdef __NR_exit_group
10637
10638 case TARGET_NR_exit_group:
10639 preexit_cleanup(cpu_env, arg1);
10640 return get_errno(exit_group(arg1));
10641#endif
10642 case TARGET_NR_setdomainname:
10643 if (!(p = lock_user_string(arg1)))
10644 return -TARGET_EFAULT;
10645 ret = get_errno(setdomainname(p, arg2));
10646 unlock_user(p, arg1, 0);
10647 return ret;
10648 case TARGET_NR_uname:
10649
10650 {
10651 struct new_utsname * buf;
10652
10653 if (!lock_user_struct(VERIFY_WRITE, buf, arg1, 0))
10654 return -TARGET_EFAULT;
10655 ret = get_errno(sys_uname(buf));
10656 if (!is_error(ret)) {
10657
10658
10659 g_strlcpy(buf->machine, cpu_to_uname_machine(cpu_env),
10660 sizeof(buf->machine));
10661
10662 if (qemu_uname_release && *qemu_uname_release) {
10663 g_strlcpy(buf->release, qemu_uname_release,
10664 sizeof(buf->release));
10665 }
10666 }
10667 unlock_user_struct(buf, arg1, 1);
10668 }
10669 return ret;
10670#ifdef TARGET_I386
10671 case TARGET_NR_modify_ldt:
10672 return do_modify_ldt(cpu_env, arg1, arg2, arg3);
10673#if !defined(TARGET_X86_64)
10674 case TARGET_NR_vm86:
10675 return do_vm86(cpu_env, arg1, arg2);
10676#endif
10677#endif
10678#if defined(TARGET_NR_adjtimex)
10679 case TARGET_NR_adjtimex:
10680 {
10681 struct timex host_buf;
10682
10683 if (target_to_host_timex(&host_buf, arg1) != 0) {
10684 return -TARGET_EFAULT;
10685 }
10686 ret = get_errno(adjtimex(&host_buf));
10687 if (!is_error(ret)) {
10688 if (host_to_target_timex(arg1, &host_buf) != 0) {
10689 return -TARGET_EFAULT;
10690 }
10691 }
10692 }
10693 return ret;
10694#endif
10695#if defined(TARGET_NR_clock_adjtime) && defined(CONFIG_CLOCK_ADJTIME)
10696 case TARGET_NR_clock_adjtime:
10697 {
10698 struct timex htx, *phtx = &htx;
10699
10700 if (target_to_host_timex(phtx, arg2) != 0) {
10701 return -TARGET_EFAULT;
10702 }
10703 ret = get_errno(clock_adjtime(arg1, phtx));
10704 if (!is_error(ret) && phtx) {
10705 if (host_to_target_timex(arg2, phtx) != 0) {
10706 return -TARGET_EFAULT;
10707 }
10708 }
10709 }
10710 return ret;
10711#endif
10712#if defined(TARGET_NR_clock_adjtime64) && defined(CONFIG_CLOCK_ADJTIME)
10713 case TARGET_NR_clock_adjtime64:
10714 {
10715 struct timex htx;
10716
10717 if (target_to_host_timex64(&htx, arg2) != 0) {
10718 return -TARGET_EFAULT;
10719 }
10720 ret = get_errno(clock_adjtime(arg1, &htx));
10721 if (!is_error(ret) && host_to_target_timex64(arg2, &htx)) {
10722 return -TARGET_EFAULT;
10723 }
10724 }
10725 return ret;
10726#endif
10727 case TARGET_NR_getpgid:
10728 return get_errno(getpgid(arg1));
10729 case TARGET_NR_fchdir:
10730 return get_errno(fchdir(arg1));
10731 case TARGET_NR_personality:
10732 return get_errno(personality(arg1));
10733#ifdef TARGET_NR__llseek
10734 case TARGET_NR__llseek:
10735 {
10736 int64_t res;
10737#if !defined(__NR_llseek)
10738 res = lseek(arg1, ((uint64_t)arg2 << 32) | (abi_ulong)arg3, arg5);
10739 if (res == -1) {
10740 ret = get_errno(res);
10741 } else {
10742 ret = 0;
10743 }
10744#else
10745 ret = get_errno(_llseek(arg1, arg2, arg3, &res, arg5));
10746#endif
10747 if ((ret == 0) && put_user_s64(res, arg4)) {
10748 return -TARGET_EFAULT;
10749 }
10750 }
10751 return ret;
10752#endif
10753#ifdef TARGET_NR_getdents
10754 case TARGET_NR_getdents:
10755 return do_getdents(arg1, arg2, arg3);
10756#endif
10757#if defined(TARGET_NR_getdents64) && defined(__NR_getdents64)
10758 case TARGET_NR_getdents64:
10759 return do_getdents64(arg1, arg2, arg3);
10760#endif
10761#if defined(TARGET_NR__newselect)
10762 case TARGET_NR__newselect:
10763 return do_select(arg1, arg2, arg3, arg4, arg5);
10764#endif
10765#ifdef TARGET_NR_poll
10766 case TARGET_NR_poll:
10767 return do_ppoll(arg1, arg2, arg3, arg4, arg5, false, false);
10768#endif
10769#ifdef TARGET_NR_ppoll
10770 case TARGET_NR_ppoll:
10771 return do_ppoll(arg1, arg2, arg3, arg4, arg5, true, false);
10772#endif
10773#ifdef TARGET_NR_ppoll_time64
10774 case TARGET_NR_ppoll_time64:
10775 return do_ppoll(arg1, arg2, arg3, arg4, arg5, true, true);
10776#endif
10777 case TARGET_NR_flock:
10778
10779
10780 return get_errno(safe_flock(arg1, arg2));
10781 case TARGET_NR_readv:
10782 {
10783 struct iovec *vec = lock_iovec(VERIFY_WRITE, arg2, arg3, 0);
10784 if (vec != NULL) {
10785 ret = get_errno(safe_readv(arg1, vec, arg3));
10786 unlock_iovec(vec, arg2, arg3, 1);
10787 } else {
10788 ret = -host_to_target_errno(errno);
10789 }
10790 }
10791 return ret;
10792 case TARGET_NR_writev:
10793 {
10794 struct iovec *vec = lock_iovec(VERIFY_READ, arg2, arg3, 1);
10795 if (vec != NULL) {
10796 ret = get_errno(safe_writev(arg1, vec, arg3));
10797 unlock_iovec(vec, arg2, arg3, 0);
10798 } else {
10799 ret = -host_to_target_errno(errno);
10800 }
10801 }
10802 return ret;
10803#if defined(TARGET_NR_preadv)
10804 case TARGET_NR_preadv:
10805 {
10806 struct iovec *vec = lock_iovec(VERIFY_WRITE, arg2, arg3, 0);
10807 if (vec != NULL) {
10808 unsigned long low, high;
10809
10810 target_to_host_low_high(arg4, arg5, &low, &high);
10811 ret = get_errno(safe_preadv(arg1, vec, arg3, low, high));
10812 unlock_iovec(vec, arg2, arg3, 1);
10813 } else {
10814 ret = -host_to_target_errno(errno);
10815 }
10816 }
10817 return ret;
10818#endif
10819#if defined(TARGET_NR_pwritev)
10820 case TARGET_NR_pwritev:
10821 {
10822 struct iovec *vec = lock_iovec(VERIFY_READ, arg2, arg3, 1);
10823 if (vec != NULL) {
10824 unsigned long low, high;
10825
10826 target_to_host_low_high(arg4, arg5, &low, &high);
10827 ret = get_errno(safe_pwritev(arg1, vec, arg3, low, high));
10828 unlock_iovec(vec, arg2, arg3, 0);
10829 } else {
10830 ret = -host_to_target_errno(errno);
10831 }
10832 }
10833 return ret;
10834#endif
10835 case TARGET_NR_getsid:
10836 return get_errno(getsid(arg1));
10837#if defined(TARGET_NR_fdatasync)
10838 case TARGET_NR_fdatasync:
10839 return get_errno(fdatasync(arg1));
10840#endif
10841 case TARGET_NR_sched_getaffinity:
10842 {
10843 unsigned int mask_size;
10844 unsigned long *mask;
10845
10846
10847
10848
10849
10850 if (arg2 & (sizeof(abi_ulong) - 1)) {
10851 return -TARGET_EINVAL;
10852 }
10853 mask_size = (arg2 + (sizeof(*mask) - 1)) & ~(sizeof(*mask) - 1);
10854
10855 mask = alloca(mask_size);
10856 memset(mask, 0, mask_size);
10857 ret = get_errno(sys_sched_getaffinity(arg1, mask_size, mask));
10858
10859 if (!is_error(ret)) {
10860 if (ret > arg2) {
10861
10862
10863
10864
10865
10866
10867
10868 int numcpus = sysconf(_SC_NPROCESSORS_CONF);
10869 if (numcpus > arg2 * 8) {
10870 return -TARGET_EINVAL;
10871 }
10872 ret = arg2;
10873 }
10874
10875 if (host_to_target_cpu_mask(mask, mask_size, arg3, ret)) {
10876 return -TARGET_EFAULT;
10877 }
10878 }
10879 }
10880 return ret;
10881 case TARGET_NR_sched_setaffinity:
10882 {
10883 unsigned int mask_size;
10884 unsigned long *mask;
10885
10886
10887
10888
10889
10890 if (arg2 & (sizeof(abi_ulong) - 1)) {
10891 return -TARGET_EINVAL;
10892 }
10893 mask_size = (arg2 + (sizeof(*mask) - 1)) & ~(sizeof(*mask) - 1);
10894 mask = alloca(mask_size);
10895
10896 ret = target_to_host_cpu_mask(mask, mask_size, arg3, arg2);
10897 if (ret) {
10898 return ret;
10899 }
10900
10901 return get_errno(sys_sched_setaffinity(arg1, mask_size, mask));
10902 }
10903 case TARGET_NR_getcpu:
10904 {
10905 unsigned cpu, node;
10906 ret = get_errno(sys_getcpu(arg1 ? &cpu : NULL,
10907 arg2 ? &node : NULL,
10908 NULL));
10909 if (is_error(ret)) {
10910 return ret;
10911 }
10912 if (arg1 && put_user_u32(cpu, arg1)) {
10913 return -TARGET_EFAULT;
10914 }
10915 if (arg2 && put_user_u32(node, arg2)) {
10916 return -TARGET_EFAULT;
10917 }
10918 }
10919 return ret;
10920 case TARGET_NR_sched_setparam:
10921 {
10922 struct target_sched_param *target_schp;
10923 struct sched_param schp;
10924
10925 if (arg2 == 0) {
10926 return -TARGET_EINVAL;
10927 }
10928 if (!lock_user_struct(VERIFY_READ, target_schp, arg2, 1)) {
10929 return -TARGET_EFAULT;
10930 }
10931 schp.sched_priority = tswap32(target_schp->sched_priority);
10932 unlock_user_struct(target_schp, arg2, 0);
10933 return get_errno(sys_sched_setparam(arg1, &schp));
10934 }
10935 case TARGET_NR_sched_getparam:
10936 {
10937 struct target_sched_param *target_schp;
10938 struct sched_param schp;
10939
10940 if (arg2 == 0) {
10941 return -TARGET_EINVAL;
10942 }
10943 ret = get_errno(sys_sched_getparam(arg1, &schp));
10944 if (!is_error(ret)) {
10945 if (!lock_user_struct(VERIFY_WRITE, target_schp, arg2, 0)) {
10946 return -TARGET_EFAULT;
10947 }
10948 target_schp->sched_priority = tswap32(schp.sched_priority);
10949 unlock_user_struct(target_schp, arg2, 1);
10950 }
10951 }
10952 return ret;
10953 case TARGET_NR_sched_setscheduler:
10954 {
10955 struct target_sched_param *target_schp;
10956 struct sched_param schp;
10957 if (arg3 == 0) {
10958 return -TARGET_EINVAL;
10959 }
10960 if (!lock_user_struct(VERIFY_READ, target_schp, arg3, 1)) {
10961 return -TARGET_EFAULT;
10962 }
10963 schp.sched_priority = tswap32(target_schp->sched_priority);
10964 unlock_user_struct(target_schp, arg3, 0);
10965 return get_errno(sys_sched_setscheduler(arg1, arg2, &schp));
10966 }
10967 case TARGET_NR_sched_getscheduler:
10968 return get_errno(sys_sched_getscheduler(arg1));
10969 case TARGET_NR_sched_getattr:
10970 {
10971 struct target_sched_attr *target_scha;
10972 struct sched_attr scha;
10973 if (arg2 == 0) {
10974 return -TARGET_EINVAL;
10975 }
10976 if (arg3 > sizeof(scha)) {
10977 arg3 = sizeof(scha);
10978 }
10979 ret = get_errno(sys_sched_getattr(arg1, &scha, arg3, arg4));
10980 if (!is_error(ret)) {
10981 target_scha = lock_user(VERIFY_WRITE, arg2, arg3, 0);
10982 if (!target_scha) {
10983 return -TARGET_EFAULT;
10984 }
10985 target_scha->size = tswap32(scha.size);
10986 target_scha->sched_policy = tswap32(scha.sched_policy);
10987 target_scha->sched_flags = tswap64(scha.sched_flags);
10988 target_scha->sched_nice = tswap32(scha.sched_nice);
10989 target_scha->sched_priority = tswap32(scha.sched_priority);
10990 target_scha->sched_runtime = tswap64(scha.sched_runtime);
10991 target_scha->sched_deadline = tswap64(scha.sched_deadline);
10992 target_scha->sched_period = tswap64(scha.sched_period);
10993 if (scha.size > offsetof(struct sched_attr, sched_util_min)) {
10994 target_scha->sched_util_min = tswap32(scha.sched_util_min);
10995 target_scha->sched_util_max = tswap32(scha.sched_util_max);
10996 }
10997 unlock_user(target_scha, arg2, arg3);
10998 }
10999 return ret;
11000 }
11001 case TARGET_NR_sched_setattr:
11002 {
11003 struct target_sched_attr *target_scha;
11004 struct sched_attr scha;
11005 uint32_t size;
11006 int zeroed;
11007 if (arg2 == 0) {
11008 return -TARGET_EINVAL;
11009 }
11010 if (get_user_u32(size, arg2)) {
11011 return -TARGET_EFAULT;
11012 }
11013 if (!size) {
11014 size = offsetof(struct target_sched_attr, sched_util_min);
11015 }
11016 if (size < offsetof(struct target_sched_attr, sched_util_min)) {
11017 if (put_user_u32(sizeof(struct target_sched_attr), arg2)) {
11018 return -TARGET_EFAULT;
11019 }
11020 return -TARGET_E2BIG;
11021 }
11022
11023 zeroed = check_zeroed_user(arg2, sizeof(struct target_sched_attr), size);
11024 if (zeroed < 0) {
11025 return zeroed;
11026 } else if (zeroed == 0) {
11027 if (put_user_u32(sizeof(struct target_sched_attr), arg2)) {
11028 return -TARGET_EFAULT;
11029 }
11030 return -TARGET_E2BIG;
11031 }
11032 if (size > sizeof(struct target_sched_attr)) {
11033 size = sizeof(struct target_sched_attr);
11034 }
11035
11036 target_scha = lock_user(VERIFY_READ, arg2, size, 1);
11037 if (!target_scha) {
11038 return -TARGET_EFAULT;
11039 }
11040 scha.size = size;
11041 scha.sched_policy = tswap32(target_scha->sched_policy);
11042 scha.sched_flags = tswap64(target_scha->sched_flags);
11043 scha.sched_nice = tswap32(target_scha->sched_nice);
11044 scha.sched_priority = tswap32(target_scha->sched_priority);
11045 scha.sched_runtime = tswap64(target_scha->sched_runtime);
11046 scha.sched_deadline = tswap64(target_scha->sched_deadline);
11047 scha.sched_period = tswap64(target_scha->sched_period);
11048 if (size > offsetof(struct target_sched_attr, sched_util_min)) {
11049 scha.sched_util_min = tswap32(target_scha->sched_util_min);
11050 scha.sched_util_max = tswap32(target_scha->sched_util_max);
11051 }
11052 unlock_user(target_scha, arg2, 0);
11053 return get_errno(sys_sched_setattr(arg1, &scha, arg3));
11054 }
11055 case TARGET_NR_sched_yield:
11056 return get_errno(sched_yield());
11057 case TARGET_NR_sched_get_priority_max:
11058 return get_errno(sched_get_priority_max(arg1));
11059 case TARGET_NR_sched_get_priority_min:
11060 return get_errno(sched_get_priority_min(arg1));
11061#ifdef TARGET_NR_sched_rr_get_interval
11062 case TARGET_NR_sched_rr_get_interval:
11063 {
11064 struct timespec ts;
11065 ret = get_errno(sched_rr_get_interval(arg1, &ts));
11066 if (!is_error(ret)) {
11067 ret = host_to_target_timespec(arg2, &ts);
11068 }
11069 }
11070 return ret;
11071#endif
11072#ifdef TARGET_NR_sched_rr_get_interval_time64
11073 case TARGET_NR_sched_rr_get_interval_time64:
11074 {
11075 struct timespec ts;
11076 ret = get_errno(sched_rr_get_interval(arg1, &ts));
11077 if (!is_error(ret)) {
11078 ret = host_to_target_timespec64(arg2, &ts);
11079 }
11080 }
11081 return ret;
11082#endif
11083#if defined(TARGET_NR_nanosleep)
11084 case TARGET_NR_nanosleep:
11085 {
11086 struct timespec req, rem;
11087 target_to_host_timespec(&req, arg1);
11088 ret = get_errno(safe_nanosleep(&req, &rem));
11089 if (is_error(ret) && arg2) {
11090 host_to_target_timespec(arg2, &rem);
11091 }
11092 }
11093 return ret;
11094#endif
11095 case TARGET_NR_prctl:
11096 return do_prctl(cpu_env, arg1, arg2, arg3, arg4, arg5);
11097 break;
11098#ifdef TARGET_NR_arch_prctl
11099 case TARGET_NR_arch_prctl:
11100 return do_arch_prctl(cpu_env, arg1, arg2);
11101#endif
11102#ifdef TARGET_NR_pread64
11103 case TARGET_NR_pread64:
11104 if (regpairs_aligned(cpu_env, num)) {
11105 arg4 = arg5;
11106 arg5 = arg6;
11107 }
11108 if (arg2 == 0 && arg3 == 0) {
11109
11110 p = 0;
11111 } else {
11112 p = lock_user(VERIFY_WRITE, arg2, arg3, 0);
11113 if (!p) {
11114 return -TARGET_EFAULT;
11115 }
11116 }
11117 ret = get_errno(pread64(arg1, p, arg3, target_offset64(arg4, arg5)));
11118 unlock_user(p, arg2, ret);
11119 return ret;
11120 case TARGET_NR_pwrite64:
11121 if (regpairs_aligned(cpu_env, num)) {
11122 arg4 = arg5;
11123 arg5 = arg6;
11124 }
11125 if (arg2 == 0 && arg3 == 0) {
11126
11127 p = 0;
11128 } else {
11129 p = lock_user(VERIFY_READ, arg2, arg3, 1);
11130 if (!p) {
11131 return -TARGET_EFAULT;
11132 }
11133 }
11134 ret = get_errno(pwrite64(arg1, p, arg3, target_offset64(arg4, arg5)));
11135 unlock_user(p, arg2, 0);
11136 return ret;
11137#endif
11138 case TARGET_NR_getcwd:
11139 if (!(p = lock_user(VERIFY_WRITE, arg1, arg2, 0)))
11140 return -TARGET_EFAULT;
11141 ret = get_errno(sys_getcwd1(p, arg2));
11142 unlock_user(p, arg1, ret);
11143 return ret;
11144 case TARGET_NR_capget:
11145 case TARGET_NR_capset:
11146 {
11147 struct target_user_cap_header *target_header;
11148 struct target_user_cap_data *target_data = NULL;
11149 struct __user_cap_header_struct header;
11150 struct __user_cap_data_struct data[2];
11151 struct __user_cap_data_struct *dataptr = NULL;
11152 int i, target_datalen;
11153 int data_items = 1;
11154
11155 if (!lock_user_struct(VERIFY_WRITE, target_header, arg1, 1)) {
11156 return -TARGET_EFAULT;
11157 }
11158 header.version = tswap32(target_header->version);
11159 header.pid = tswap32(target_header->pid);
11160
11161 if (header.version != _LINUX_CAPABILITY_VERSION) {
11162
11163 data_items = 2;
11164 }
11165
11166 target_datalen = sizeof(*target_data) * data_items;
11167
11168 if (arg2) {
11169 if (num == TARGET_NR_capget) {
11170 target_data = lock_user(VERIFY_WRITE, arg2, target_datalen, 0);
11171 } else {
11172 target_data = lock_user(VERIFY_READ, arg2, target_datalen, 1);
11173 }
11174 if (!target_data) {
11175 unlock_user_struct(target_header, arg1, 0);
11176 return -TARGET_EFAULT;
11177 }
11178
11179 if (num == TARGET_NR_capset) {
11180 for (i = 0; i < data_items; i++) {
11181 data[i].effective = tswap32(target_data[i].effective);
11182 data[i].permitted = tswap32(target_data[i].permitted);
11183 data[i].inheritable = tswap32(target_data[i].inheritable);
11184 }
11185 }
11186
11187 dataptr = data;
11188 }
11189
11190 if (num == TARGET_NR_capget) {
11191 ret = get_errno(capget(&header, dataptr));
11192 } else {
11193 ret = get_errno(capset(&header, dataptr));
11194 }
11195
11196
11197 target_header->version = tswap32(header.version);
11198 unlock_user_struct(target_header, arg1, 1);
11199
11200 if (arg2) {
11201 if (num == TARGET_NR_capget) {
11202 for (i = 0; i < data_items; i++) {
11203 target_data[i].effective = tswap32(data[i].effective);
11204 target_data[i].permitted = tswap32(data[i].permitted);
11205 target_data[i].inheritable = tswap32(data[i].inheritable);
11206 }
11207 unlock_user(target_data, arg2, target_datalen);
11208 } else {
11209 unlock_user(target_data, arg2, 0);
11210 }
11211 }
11212 return ret;
11213 }
11214 case TARGET_NR_sigaltstack:
11215 return do_sigaltstack(arg1, arg2, cpu_env);
11216
11217#ifdef CONFIG_SENDFILE
11218#ifdef TARGET_NR_sendfile
11219 case TARGET_NR_sendfile:
11220 {
11221 off_t *offp = NULL;
11222 off_t off;
11223 if (arg3) {
11224 ret = get_user_sal(off, arg3);
11225 if (is_error(ret)) {
11226 return ret;
11227 }
11228 offp = &off;
11229 }
11230 ret = get_errno(sendfile(arg1, arg2, offp, arg4));
11231 if (!is_error(ret) && arg3) {
11232 abi_long ret2 = put_user_sal(off, arg3);
11233 if (is_error(ret2)) {
11234 ret = ret2;
11235 }
11236 }
11237 return ret;
11238 }
11239#endif
11240#ifdef TARGET_NR_sendfile64
11241 case TARGET_NR_sendfile64:
11242 {
11243 off_t *offp = NULL;
11244 off_t off;
11245 if (arg3) {
11246 ret = get_user_s64(off, arg3);
11247 if (is_error(ret)) {
11248 return ret;
11249 }
11250 offp = &off;
11251 }
11252 ret = get_errno(sendfile(arg1, arg2, offp, arg4));
11253 if (!is_error(ret) && arg3) {
11254 abi_long ret2 = put_user_s64(off, arg3);
11255 if (is_error(ret2)) {
11256 ret = ret2;
11257 }
11258 }
11259 return ret;
11260 }
11261#endif
11262#endif
11263#ifdef TARGET_NR_vfork
11264 case TARGET_NR_vfork:
11265 return get_errno(do_fork(cpu_env,
11266 CLONE_VFORK | CLONE_VM | TARGET_SIGCHLD,
11267 0, 0, 0, 0));
11268#endif
11269#ifdef TARGET_NR_ugetrlimit
11270 case TARGET_NR_ugetrlimit:
11271 {
11272 struct rlimit rlim;
11273 int resource = target_to_host_resource(arg1);
11274 ret = get_errno(getrlimit(resource, &rlim));
11275 if (!is_error(ret)) {
11276 struct target_rlimit *target_rlim;
11277 if (!lock_user_struct(VERIFY_WRITE, target_rlim, arg2, 0))
11278 return -TARGET_EFAULT;
11279 target_rlim->rlim_cur = host_to_target_rlim(rlim.rlim_cur);
11280 target_rlim->rlim_max = host_to_target_rlim(rlim.rlim_max);
11281 unlock_user_struct(target_rlim, arg2, 1);
11282 }
11283 return ret;
11284 }
11285#endif
11286#ifdef TARGET_NR_truncate64
11287 case TARGET_NR_truncate64:
11288 if (!(p = lock_user_string(arg1)))
11289 return -TARGET_EFAULT;
11290 ret = target_truncate64(cpu_env, p, arg2, arg3, arg4);
11291 unlock_user(p, arg1, 0);
11292 return ret;
11293#endif
11294#ifdef TARGET_NR_ftruncate64
11295 case TARGET_NR_ftruncate64:
11296 return target_ftruncate64(cpu_env, arg1, arg2, arg3, arg4);
11297#endif
11298#ifdef TARGET_NR_stat64
11299 case TARGET_NR_stat64:
11300 if (!(p = lock_user_string(arg1))) {
11301 return -TARGET_EFAULT;
11302 }
11303 ret = get_errno(stat(path(p), &st));
11304 unlock_user(p, arg1, 0);
11305 if (!is_error(ret))
11306 ret = host_to_target_stat64(cpu_env, arg2, &st);
11307 return ret;
11308#endif
11309#ifdef TARGET_NR_lstat64
11310 case TARGET_NR_lstat64:
11311 if (!(p = lock_user_string(arg1))) {
11312 return -TARGET_EFAULT;
11313 }
11314 ret = get_errno(lstat(path(p), &st));
11315 unlock_user(p, arg1, 0);
11316 if (!is_error(ret))
11317 ret = host_to_target_stat64(cpu_env, arg2, &st);
11318 return ret;
11319#endif
11320#ifdef TARGET_NR_fstat64
11321 case TARGET_NR_fstat64:
11322 ret = get_errno(fstat(arg1, &st));
11323 if (!is_error(ret))
11324 ret = host_to_target_stat64(cpu_env, arg2, &st);
11325 return ret;
11326#endif
11327#if (defined(TARGET_NR_fstatat64) || defined(TARGET_NR_newfstatat))
11328#ifdef TARGET_NR_fstatat64
11329 case TARGET_NR_fstatat64:
11330#endif
11331#ifdef TARGET_NR_newfstatat
11332 case TARGET_NR_newfstatat:
11333#endif
11334 if (!(p = lock_user_string(arg2))) {
11335 return -TARGET_EFAULT;
11336 }
11337 ret = get_errno(fstatat(arg1, path(p), &st, arg4));
11338 unlock_user(p, arg2, 0);
11339 if (!is_error(ret))
11340 ret = host_to_target_stat64(cpu_env, arg3, &st);
11341 return ret;
11342#endif
11343#if defined(TARGET_NR_statx)
11344 case TARGET_NR_statx:
11345 {
11346 struct target_statx *target_stx;
11347 int dirfd = arg1;
11348 int flags = arg3;
11349
11350 p = lock_user_string(arg2);
11351 if (p == NULL) {
11352 return -TARGET_EFAULT;
11353 }
11354#if defined(__NR_statx)
11355 {
11356
11357
11358
11359 struct target_statx host_stx;
11360 int mask = arg4;
11361
11362 ret = get_errno(sys_statx(dirfd, p, flags, mask, &host_stx));
11363 if (!is_error(ret)) {
11364 if (host_to_target_statx(&host_stx, arg5) != 0) {
11365 unlock_user(p, arg2, 0);
11366 return -TARGET_EFAULT;
11367 }
11368 }
11369
11370 if (ret != -TARGET_ENOSYS) {
11371 unlock_user(p, arg2, 0);
11372 return ret;
11373 }
11374 }
11375#endif
11376 ret = get_errno(fstatat(dirfd, path(p), &st, flags));
11377 unlock_user(p, arg2, 0);
11378
11379 if (!is_error(ret)) {
11380 if (!lock_user_struct(VERIFY_WRITE, target_stx, arg5, 0)) {
11381 return -TARGET_EFAULT;
11382 }
11383 memset(target_stx, 0, sizeof(*target_stx));
11384 __put_user(major(st.st_dev), &target_stx->stx_dev_major);
11385 __put_user(minor(st.st_dev), &target_stx->stx_dev_minor);
11386 __put_user(st.st_ino, &target_stx->stx_ino);
11387 __put_user(st.st_mode, &target_stx->stx_mode);
11388 __put_user(st.st_uid, &target_stx->stx_uid);
11389 __put_user(st.st_gid, &target_stx->stx_gid);
11390 __put_user(st.st_nlink, &target_stx->stx_nlink);
11391 __put_user(major(st.st_rdev), &target_stx->stx_rdev_major);
11392 __put_user(minor(st.st_rdev), &target_stx->stx_rdev_minor);
11393 __put_user(st.st_size, &target_stx->stx_size);
11394 __put_user(st.st_blksize, &target_stx->stx_blksize);
11395 __put_user(st.st_blocks, &target_stx->stx_blocks);
11396 __put_user(st.st_atime, &target_stx->stx_atime.tv_sec);
11397 __put_user(st.st_mtime, &target_stx->stx_mtime.tv_sec);
11398 __put_user(st.st_ctime, &target_stx->stx_ctime.tv_sec);
11399 unlock_user_struct(target_stx, arg5, 1);
11400 }
11401 }
11402 return ret;
11403#endif
11404#ifdef TARGET_NR_lchown
11405 case TARGET_NR_lchown:
11406 if (!(p = lock_user_string(arg1)))
11407 return -TARGET_EFAULT;
11408 ret = get_errno(lchown(p, low2highuid(arg2), low2highgid(arg3)));
11409 unlock_user(p, arg1, 0);
11410 return ret;
11411#endif
11412#ifdef TARGET_NR_getuid
11413 case TARGET_NR_getuid:
11414 return get_errno(high2lowuid(getuid()));
11415#endif
11416#ifdef TARGET_NR_getgid
11417 case TARGET_NR_getgid:
11418 return get_errno(high2lowgid(getgid()));
11419#endif
11420#ifdef TARGET_NR_geteuid
11421 case TARGET_NR_geteuid:
11422 return get_errno(high2lowuid(geteuid()));
11423#endif
11424#ifdef TARGET_NR_getegid
11425 case TARGET_NR_getegid:
11426 return get_errno(high2lowgid(getegid()));
11427#endif
11428 case TARGET_NR_setreuid:
11429 return get_errno(setreuid(low2highuid(arg1), low2highuid(arg2)));
11430 case TARGET_NR_setregid:
11431 return get_errno(setregid(low2highgid(arg1), low2highgid(arg2)));
11432 case TARGET_NR_getgroups:
11433 {
11434 int gidsetsize = arg1;
11435 target_id *target_grouplist;
11436 gid_t *grouplist;
11437 int i;
11438
11439 grouplist = alloca(gidsetsize * sizeof(gid_t));
11440 ret = get_errno(getgroups(gidsetsize, grouplist));
11441 if (gidsetsize == 0)
11442 return ret;
11443 if (!is_error(ret)) {
11444 target_grouplist = lock_user(VERIFY_WRITE, arg2, gidsetsize * sizeof(target_id), 0);
11445 if (!target_grouplist)
11446 return -TARGET_EFAULT;
11447 for(i = 0;i < ret; i++)
11448 target_grouplist[i] = tswapid(high2lowgid(grouplist[i]));
11449 unlock_user(target_grouplist, arg2, gidsetsize * sizeof(target_id));
11450 }
11451 }
11452 return ret;
11453 case TARGET_NR_setgroups:
11454 {
11455 int gidsetsize = arg1;
11456 target_id *target_grouplist;
11457 gid_t *grouplist = NULL;
11458 int i;
11459 if (gidsetsize) {
11460 grouplist = alloca(gidsetsize * sizeof(gid_t));
11461 target_grouplist = lock_user(VERIFY_READ, arg2, gidsetsize * sizeof(target_id), 1);
11462 if (!target_grouplist) {
11463 return -TARGET_EFAULT;
11464 }
11465 for (i = 0; i < gidsetsize; i++) {
11466 grouplist[i] = low2highgid(tswapid(target_grouplist[i]));
11467 }
11468 unlock_user(target_grouplist, arg2, 0);
11469 }
11470 return get_errno(setgroups(gidsetsize, grouplist));
11471 }
11472 case TARGET_NR_fchown:
11473 return get_errno(fchown(arg1, low2highuid(arg2), low2highgid(arg3)));
11474#if defined(TARGET_NR_fchownat)
11475 case TARGET_NR_fchownat:
11476 if (!(p = lock_user_string(arg2)))
11477 return -TARGET_EFAULT;
11478 ret = get_errno(fchownat(arg1, p, low2highuid(arg3),
11479 low2highgid(arg4), arg5));
11480 unlock_user(p, arg2, 0);
11481 return ret;
11482#endif
11483#ifdef TARGET_NR_setresuid
11484 case TARGET_NR_setresuid:
11485 return get_errno(sys_setresuid(low2highuid(arg1),
11486 low2highuid(arg2),
11487 low2highuid(arg3)));
11488#endif
11489#ifdef TARGET_NR_getresuid
11490 case TARGET_NR_getresuid:
11491 {
11492 uid_t ruid, euid, suid;
11493 ret = get_errno(getresuid(&ruid, &euid, &suid));
11494 if (!is_error(ret)) {
11495 if (put_user_id(high2lowuid(ruid), arg1)
11496 || put_user_id(high2lowuid(euid), arg2)
11497 || put_user_id(high2lowuid(suid), arg3))
11498 return -TARGET_EFAULT;
11499 }
11500 }
11501 return ret;
11502#endif
11503#ifdef TARGET_NR_getresgid
11504 case TARGET_NR_setresgid:
11505 return get_errno(sys_setresgid(low2highgid(arg1),
11506 low2highgid(arg2),
11507 low2highgid(arg3)));
11508#endif
11509#ifdef TARGET_NR_getresgid
11510 case TARGET_NR_getresgid:
11511 {
11512 gid_t rgid, egid, sgid;
11513 ret = get_errno(getresgid(&rgid, &egid, &sgid));
11514 if (!is_error(ret)) {
11515 if (put_user_id(high2lowgid(rgid), arg1)
11516 || put_user_id(high2lowgid(egid), arg2)
11517 || put_user_id(high2lowgid(sgid), arg3))
11518 return -TARGET_EFAULT;
11519 }
11520 }
11521 return ret;
11522#endif
11523#ifdef TARGET_NR_chown
11524 case TARGET_NR_chown:
11525 if (!(p = lock_user_string(arg1)))
11526 return -TARGET_EFAULT;
11527 ret = get_errno(chown(p, low2highuid(arg2), low2highgid(arg3)));
11528 unlock_user(p, arg1, 0);
11529 return ret;
11530#endif
11531 case TARGET_NR_setuid:
11532 return get_errno(sys_setuid(low2highuid(arg1)));
11533 case TARGET_NR_setgid:
11534 return get_errno(sys_setgid(low2highgid(arg1)));
11535 case TARGET_NR_setfsuid:
11536 return get_errno(setfsuid(arg1));
11537 case TARGET_NR_setfsgid:
11538 return get_errno(setfsgid(arg1));
11539
11540#ifdef TARGET_NR_lchown32
11541 case TARGET_NR_lchown32:
11542 if (!(p = lock_user_string(arg1)))
11543 return -TARGET_EFAULT;
11544 ret = get_errno(lchown(p, arg2, arg3));
11545 unlock_user(p, arg1, 0);
11546 return ret;
11547#endif
11548#ifdef TARGET_NR_getuid32
11549 case TARGET_NR_getuid32:
11550 return get_errno(getuid());
11551#endif
11552
11553#if defined(TARGET_NR_getxuid) && defined(TARGET_ALPHA)
11554
11555 case TARGET_NR_getxuid:
11556 {
11557 uid_t euid;
11558 euid=geteuid();
11559 cpu_env->ir[IR_A4]=euid;
11560 }
11561 return get_errno(getuid());
11562#endif
11563#if defined(TARGET_NR_getxgid) && defined(TARGET_ALPHA)
11564
11565 case TARGET_NR_getxgid:
11566 {
11567 uid_t egid;
11568 egid=getegid();
11569 cpu_env->ir[IR_A4]=egid;
11570 }
11571 return get_errno(getgid());
11572#endif
11573#if defined(TARGET_NR_osf_getsysinfo) && defined(TARGET_ALPHA)
11574
11575 case TARGET_NR_osf_getsysinfo:
11576 ret = -TARGET_EOPNOTSUPP;
11577 switch (arg1) {
11578 case TARGET_GSI_IEEE_FP_CONTROL:
11579 {
11580 uint64_t fpcr = cpu_alpha_load_fpcr(cpu_env);
11581 uint64_t swcr = cpu_env->swcr;
11582
11583 swcr &= ~SWCR_STATUS_MASK;
11584 swcr |= (fpcr >> 35) & SWCR_STATUS_MASK;
11585
11586 if (put_user_u64 (swcr, arg2))
11587 return -TARGET_EFAULT;
11588 ret = 0;
11589 }
11590 break;
11591
11592
11593
11594
11595
11596
11597
11598
11599
11600
11601 }
11602 return ret;
11603#endif
11604#if defined(TARGET_NR_osf_setsysinfo) && defined(TARGET_ALPHA)
11605
11606 case TARGET_NR_osf_setsysinfo:
11607 ret = -TARGET_EOPNOTSUPP;
11608 switch (arg1) {
11609 case TARGET_SSI_IEEE_FP_CONTROL:
11610 {
11611 uint64_t swcr, fpcr;
11612
11613 if (get_user_u64 (swcr, arg2)) {
11614 return -TARGET_EFAULT;
11615 }
11616
11617
11618
11619
11620
11621
11622
11623 cpu_env->swcr = swcr & (SWCR_TRAP_ENABLE_MASK | SWCR_MAP_MASK);
11624
11625 fpcr = cpu_alpha_load_fpcr(cpu_env);
11626 fpcr &= ((uint64_t)FPCR_DYN_MASK << 32);
11627 fpcr |= alpha_ieee_swcr_to_fpcr(swcr);
11628 cpu_alpha_store_fpcr(cpu_env, fpcr);
11629 ret = 0;
11630 }
11631 break;
11632
11633 case TARGET_SSI_IEEE_RAISE_EXCEPTION:
11634 {
11635 uint64_t exc, fpcr, fex;
11636
11637 if (get_user_u64(exc, arg2)) {
11638 return -TARGET_EFAULT;
11639 }
11640 exc &= SWCR_STATUS_MASK;
11641 fpcr = cpu_alpha_load_fpcr(cpu_env);
11642
11643
11644 fex = alpha_ieee_fpcr_to_swcr(fpcr);
11645 fex = exc & ~fex;
11646 fex >>= SWCR_STATUS_TO_EXCSUM_SHIFT;
11647 fex &= (cpu_env)->swcr;
11648
11649
11650 fpcr |= alpha_ieee_swcr_to_fpcr(exc);
11651 cpu_alpha_store_fpcr(cpu_env, fpcr);
11652
11653 if (fex) {
11654 int si_code = TARGET_FPE_FLTUNK;
11655 target_siginfo_t info;
11656
11657 if (fex & SWCR_TRAP_ENABLE_DNO) {
11658 si_code = TARGET_FPE_FLTUND;
11659 }
11660 if (fex & SWCR_TRAP_ENABLE_INE) {
11661 si_code = TARGET_FPE_FLTRES;
11662 }
11663 if (fex & SWCR_TRAP_ENABLE_UNF) {
11664 si_code = TARGET_FPE_FLTUND;
11665 }
11666 if (fex & SWCR_TRAP_ENABLE_OVF) {
11667 si_code = TARGET_FPE_FLTOVF;
11668 }
11669 if (fex & SWCR_TRAP_ENABLE_DZE) {
11670 si_code = TARGET_FPE_FLTDIV;
11671 }
11672 if (fex & SWCR_TRAP_ENABLE_INV) {
11673 si_code = TARGET_FPE_FLTINV;
11674 }
11675
11676 info.si_signo = SIGFPE;
11677 info.si_errno = 0;
11678 info.si_code = si_code;
11679 info._sifields._sigfault._addr = (cpu_env)->pc;
11680 queue_signal(cpu_env, info.si_signo,
11681 QEMU_SI_FAULT, &info);
11682 }
11683 ret = 0;
11684 }
11685 break;
11686
11687
11688
11689
11690
11691
11692
11693 }
11694 return ret;
11695#endif
11696#ifdef TARGET_NR_osf_sigprocmask
11697
11698 case TARGET_NR_osf_sigprocmask:
11699 {
11700 abi_ulong mask;
11701 int how;
11702 sigset_t set, oldset;
11703
11704 switch(arg1) {
11705 case TARGET_SIG_BLOCK:
11706 how = SIG_BLOCK;
11707 break;
11708 case TARGET_SIG_UNBLOCK:
11709 how = SIG_UNBLOCK;
11710 break;
11711 case TARGET_SIG_SETMASK:
11712 how = SIG_SETMASK;
11713 break;
11714 default:
11715 return -TARGET_EINVAL;
11716 }
11717 mask = arg2;
11718 target_to_host_old_sigset(&set, &mask);
11719 ret = do_sigprocmask(how, &set, &oldset);
11720 if (!ret) {
11721 host_to_target_old_sigset(&mask, &oldset);
11722 ret = mask;
11723 }
11724 }
11725 return ret;
11726#endif
11727
11728#ifdef TARGET_NR_getgid32
11729 case TARGET_NR_getgid32:
11730 return get_errno(getgid());
11731#endif
11732#ifdef TARGET_NR_geteuid32
11733 case TARGET_NR_geteuid32:
11734 return get_errno(geteuid());
11735#endif
11736#ifdef TARGET_NR_getegid32
11737 case TARGET_NR_getegid32:
11738 return get_errno(getegid());
11739#endif
11740#ifdef TARGET_NR_setreuid32
11741 case TARGET_NR_setreuid32:
11742 return get_errno(setreuid(arg1, arg2));
11743#endif
11744#ifdef TARGET_NR_setregid32
11745 case TARGET_NR_setregid32:
11746 return get_errno(setregid(arg1, arg2));
11747#endif
11748#ifdef TARGET_NR_getgroups32
11749 case TARGET_NR_getgroups32:
11750 {
11751 int gidsetsize = arg1;
11752 uint32_t *target_grouplist;
11753 gid_t *grouplist;
11754 int i;
11755
11756 grouplist = alloca(gidsetsize * sizeof(gid_t));
11757 ret = get_errno(getgroups(gidsetsize, grouplist));
11758 if (gidsetsize == 0)
11759 return ret;
11760 if (!is_error(ret)) {
11761 target_grouplist = lock_user(VERIFY_WRITE, arg2, gidsetsize * 4, 0);
11762 if (!target_grouplist) {
11763 return -TARGET_EFAULT;
11764 }
11765 for(i = 0;i < ret; i++)
11766 target_grouplist[i] = tswap32(grouplist[i]);
11767 unlock_user(target_grouplist, arg2, gidsetsize * 4);
11768 }
11769 }
11770 return ret;
11771#endif
11772#ifdef TARGET_NR_setgroups32
11773 case TARGET_NR_setgroups32:
11774 {
11775 int gidsetsize = arg1;
11776 uint32_t *target_grouplist;
11777 gid_t *grouplist;
11778 int i;
11779
11780 grouplist = alloca(gidsetsize * sizeof(gid_t));
11781 target_grouplist = lock_user(VERIFY_READ, arg2, gidsetsize * 4, 1);
11782 if (!target_grouplist) {
11783 return -TARGET_EFAULT;
11784 }
11785 for(i = 0;i < gidsetsize; i++)
11786 grouplist[i] = tswap32(target_grouplist[i]);
11787 unlock_user(target_grouplist, arg2, 0);
11788 return get_errno(setgroups(gidsetsize, grouplist));
11789 }
11790#endif
11791#ifdef TARGET_NR_fchown32
11792 case TARGET_NR_fchown32:
11793 return get_errno(fchown(arg1, arg2, arg3));
11794#endif
11795#ifdef TARGET_NR_setresuid32
11796 case TARGET_NR_setresuid32:
11797 return get_errno(sys_setresuid(arg1, arg2, arg3));
11798#endif
11799#ifdef TARGET_NR_getresuid32
11800 case TARGET_NR_getresuid32:
11801 {
11802 uid_t ruid, euid, suid;
11803 ret = get_errno(getresuid(&ruid, &euid, &suid));
11804 if (!is_error(ret)) {
11805 if (put_user_u32(ruid, arg1)
11806 || put_user_u32(euid, arg2)
11807 || put_user_u32(suid, arg3))
11808 return -TARGET_EFAULT;
11809 }
11810 }
11811 return ret;
11812#endif
11813#ifdef TARGET_NR_setresgid32
11814 case TARGET_NR_setresgid32:
11815 return get_errno(sys_setresgid(arg1, arg2, arg3));
11816#endif
11817#ifdef TARGET_NR_getresgid32
11818 case TARGET_NR_getresgid32:
11819 {
11820 gid_t rgid, egid, sgid;
11821 ret = get_errno(getresgid(&rgid, &egid, &sgid));
11822 if (!is_error(ret)) {
11823 if (put_user_u32(rgid, arg1)
11824 || put_user_u32(egid, arg2)
11825 || put_user_u32(sgid, arg3))
11826 return -TARGET_EFAULT;
11827 }
11828 }
11829 return ret;
11830#endif
11831#ifdef TARGET_NR_chown32
11832 case TARGET_NR_chown32:
11833 if (!(p = lock_user_string(arg1)))
11834 return -TARGET_EFAULT;
11835 ret = get_errno(chown(p, arg2, arg3));
11836 unlock_user(p, arg1, 0);
11837 return ret;
11838#endif
11839#ifdef TARGET_NR_setuid32
11840 case TARGET_NR_setuid32:
11841 return get_errno(sys_setuid(arg1));
11842#endif
11843#ifdef TARGET_NR_setgid32
11844 case TARGET_NR_setgid32:
11845 return get_errno(sys_setgid(arg1));
11846#endif
11847#ifdef TARGET_NR_setfsuid32
11848 case TARGET_NR_setfsuid32:
11849 return get_errno(setfsuid(arg1));
11850#endif
11851#ifdef TARGET_NR_setfsgid32
11852 case TARGET_NR_setfsgid32:
11853 return get_errno(setfsgid(arg1));
11854#endif
11855#ifdef TARGET_NR_mincore
11856 case TARGET_NR_mincore:
11857 {
11858 void *a = lock_user(VERIFY_READ, arg1, arg2, 0);
11859 if (!a) {
11860 return -TARGET_ENOMEM;
11861 }
11862 p = lock_user_string(arg3);
11863 if (!p) {
11864 ret = -TARGET_EFAULT;
11865 } else {
11866 ret = get_errno(mincore(a, arg2, p));
11867 unlock_user(p, arg3, ret);
11868 }
11869 unlock_user(a, arg1, 0);
11870 }
11871 return ret;
11872#endif
11873#ifdef TARGET_NR_arm_fadvise64_64
11874 case TARGET_NR_arm_fadvise64_64:
11875
11876
11877
11878
11879
11880
11881 ret = posix_fadvise(arg1, target_offset64(arg3, arg4),
11882 target_offset64(arg5, arg6), arg2);
11883 return -host_to_target_errno(ret);
11884#endif
11885
11886#if TARGET_ABI_BITS == 32 && !defined(TARGET_ABI_MIPSN32)
11887
11888#ifdef TARGET_NR_fadvise64_64
11889 case TARGET_NR_fadvise64_64:
11890#if defined(TARGET_PPC) || defined(TARGET_XTENSA)
11891
11892 ret = arg2;
11893 arg2 = arg3;
11894 arg3 = arg4;
11895 arg4 = arg5;
11896 arg5 = arg6;
11897 arg6 = ret;
11898#else
11899
11900 if (regpairs_aligned(cpu_env, num)) {
11901
11902 arg2 = arg3;
11903 arg3 = arg4;
11904 arg4 = arg5;
11905 arg5 = arg6;
11906 arg6 = arg7;
11907 }
11908#endif
11909 ret = posix_fadvise(arg1, target_offset64(arg2, arg3),
11910 target_offset64(arg4, arg5), arg6);
11911 return -host_to_target_errno(ret);
11912#endif
11913
11914#ifdef TARGET_NR_fadvise64
11915 case TARGET_NR_fadvise64:
11916
11917 if (regpairs_aligned(cpu_env, num)) {
11918
11919 arg2 = arg3;
11920 arg3 = arg4;
11921 arg4 = arg5;
11922 arg5 = arg6;
11923 }
11924 ret = posix_fadvise(arg1, target_offset64(arg2, arg3), arg4, arg5);
11925 return -host_to_target_errno(ret);
11926#endif
11927
11928#else
11929#if defined(TARGET_NR_fadvise64_64) || defined(TARGET_NR_fadvise64)
11930#ifdef TARGET_NR_fadvise64_64
11931 case TARGET_NR_fadvise64_64:
11932#endif
11933#ifdef TARGET_NR_fadvise64
11934 case TARGET_NR_fadvise64:
11935#endif
11936#ifdef TARGET_S390X
11937 switch (arg4) {
11938 case 4: arg4 = POSIX_FADV_NOREUSE + 1; break;
11939 case 5: arg4 = POSIX_FADV_NOREUSE + 2; break;
11940 case 6: arg4 = POSIX_FADV_DONTNEED; break;
11941 case 7: arg4 = POSIX_FADV_NOREUSE; break;
11942 default: break;
11943 }
11944#endif
11945 return -host_to_target_errno(posix_fadvise(arg1, arg2, arg3, arg4));
11946#endif
11947#endif
11948
11949#ifdef TARGET_NR_madvise
11950 case TARGET_NR_madvise:
11951 return target_madvise(arg1, arg2, arg3);
11952#endif
11953#ifdef TARGET_NR_fcntl64
11954 case TARGET_NR_fcntl64:
11955 {
11956 int cmd;
11957 struct flock64 fl;
11958 from_flock64_fn *copyfrom = copy_from_user_flock64;
11959 to_flock64_fn *copyto = copy_to_user_flock64;
11960
11961#ifdef TARGET_ARM
11962 if (!cpu_env->eabi) {
11963 copyfrom = copy_from_user_oabi_flock64;
11964 copyto = copy_to_user_oabi_flock64;
11965 }
11966#endif
11967
11968 cmd = target_to_host_fcntl_cmd(arg2);
11969 if (cmd == -TARGET_EINVAL) {
11970 return cmd;
11971 }
11972
11973 switch(arg2) {
11974 case TARGET_F_GETLK64:
11975 ret = copyfrom(&fl, arg3);
11976 if (ret) {
11977 break;
11978 }
11979 ret = get_errno(safe_fcntl(arg1, cmd, &fl));
11980 if (ret == 0) {
11981 ret = copyto(arg3, &fl);
11982 }
11983 break;
11984
11985 case TARGET_F_SETLK64:
11986 case TARGET_F_SETLKW64:
11987 ret = copyfrom(&fl, arg3);
11988 if (ret) {
11989 break;
11990 }
11991 ret = get_errno(safe_fcntl(arg1, cmd, &fl));
11992 break;
11993 default:
11994 ret = do_fcntl(arg1, arg2, arg3);
11995 break;
11996 }
11997 return ret;
11998 }
11999#endif
12000#ifdef TARGET_NR_cacheflush
12001 case TARGET_NR_cacheflush:
12002
12003 return 0;
12004#endif
12005#ifdef TARGET_NR_getpagesize
12006 case TARGET_NR_getpagesize:
12007 return TARGET_PAGE_SIZE;
12008#endif
12009 case TARGET_NR_gettid:
12010 return get_errno(sys_gettid());
12011#ifdef TARGET_NR_readahead
12012 case TARGET_NR_readahead:
12013#if TARGET_ABI_BITS == 32 && !defined(TARGET_ABI_MIPSN32)
12014 if (regpairs_aligned(cpu_env, num)) {
12015 arg2 = arg3;
12016 arg3 = arg4;
12017 arg4 = arg5;
12018 }
12019 ret = get_errno(readahead(arg1, target_offset64(arg2, arg3) , arg4));
12020#else
12021 ret = get_errno(readahead(arg1, arg2, arg3));
12022#endif
12023 return ret;
12024#endif
12025#ifdef CONFIG_ATTR
12026#ifdef TARGET_NR_setxattr
12027 case TARGET_NR_listxattr:
12028 case TARGET_NR_llistxattr:
12029 {
12030 void *p, *b = 0;
12031 if (arg2) {
12032 b = lock_user(VERIFY_WRITE, arg2, arg3, 0);
12033 if (!b) {
12034 return -TARGET_EFAULT;
12035 }
12036 }
12037 p = lock_user_string(arg1);
12038 if (p) {
12039 if (num == TARGET_NR_listxattr) {
12040 ret = get_errno(listxattr(p, b, arg3));
12041 } else {
12042 ret = get_errno(llistxattr(p, b, arg3));
12043 }
12044 } else {
12045 ret = -TARGET_EFAULT;
12046 }
12047 unlock_user(p, arg1, 0);
12048 unlock_user(b, arg2, arg3);
12049 return ret;
12050 }
12051 case TARGET_NR_flistxattr:
12052 {
12053 void *b = 0;
12054 if (arg2) {
12055 b = lock_user(VERIFY_WRITE, arg2, arg3, 0);
12056 if (!b) {
12057 return -TARGET_EFAULT;
12058 }
12059 }
12060 ret = get_errno(flistxattr(arg1, b, arg3));
12061 unlock_user(b, arg2, arg3);
12062 return ret;
12063 }
12064 case TARGET_NR_setxattr:
12065 case TARGET_NR_lsetxattr:
12066 {
12067 void *p, *n, *v = 0;
12068 if (arg3) {
12069 v = lock_user(VERIFY_READ, arg3, arg4, 1);
12070 if (!v) {
12071 return -TARGET_EFAULT;
12072 }
12073 }
12074 p = lock_user_string(arg1);
12075 n = lock_user_string(arg2);
12076 if (p && n) {
12077 if (num == TARGET_NR_setxattr) {
12078 ret = get_errno(setxattr(p, n, v, arg4, arg5));
12079 } else {
12080 ret = get_errno(lsetxattr(p, n, v, arg4, arg5));
12081 }
12082 } else {
12083 ret = -TARGET_EFAULT;
12084 }
12085 unlock_user(p, arg1, 0);
12086 unlock_user(n, arg2, 0);
12087 unlock_user(v, arg3, 0);
12088 }
12089 return ret;
12090 case TARGET_NR_fsetxattr:
12091 {
12092 void *n, *v = 0;
12093 if (arg3) {
12094 v = lock_user(VERIFY_READ, arg3, arg4, 1);
12095 if (!v) {
12096 return -TARGET_EFAULT;
12097 }
12098 }
12099 n = lock_user_string(arg2);
12100 if (n) {
12101 ret = get_errno(fsetxattr(arg1, n, v, arg4, arg5));
12102 } else {
12103 ret = -TARGET_EFAULT;
12104 }
12105 unlock_user(n, arg2, 0);
12106 unlock_user(v, arg3, 0);
12107 }
12108 return ret;
12109 case TARGET_NR_getxattr:
12110 case TARGET_NR_lgetxattr:
12111 {
12112 void *p, *n, *v = 0;
12113 if (arg3) {
12114 v = lock_user(VERIFY_WRITE, arg3, arg4, 0);
12115 if (!v) {
12116 return -TARGET_EFAULT;
12117 }
12118 }
12119 p = lock_user_string(arg1);
12120 n = lock_user_string(arg2);
12121 if (p && n) {
12122 if (num == TARGET_NR_getxattr) {
12123 ret = get_errno(getxattr(p, n, v, arg4));
12124 } else {
12125 ret = get_errno(lgetxattr(p, n, v, arg4));
12126 }
12127 } else {
12128 ret = -TARGET_EFAULT;
12129 }
12130 unlock_user(p, arg1, 0);
12131 unlock_user(n, arg2, 0);
12132 unlock_user(v, arg3, arg4);
12133 }
12134 return ret;
12135 case TARGET_NR_fgetxattr:
12136 {
12137 void *n, *v = 0;
12138 if (arg3) {
12139 v = lock_user(VERIFY_WRITE, arg3, arg4, 0);
12140 if (!v) {
12141 return -TARGET_EFAULT;
12142 }
12143 }
12144 n = lock_user_string(arg2);
12145 if (n) {
12146 ret = get_errno(fgetxattr(arg1, n, v, arg4));
12147 } else {
12148 ret = -TARGET_EFAULT;
12149 }
12150 unlock_user(n, arg2, 0);
12151 unlock_user(v, arg3, arg4);
12152 }
12153 return ret;
12154 case TARGET_NR_removexattr:
12155 case TARGET_NR_lremovexattr:
12156 {
12157 void *p, *n;
12158 p = lock_user_string(arg1);
12159 n = lock_user_string(arg2);
12160 if (p && n) {
12161 if (num == TARGET_NR_removexattr) {
12162 ret = get_errno(removexattr(p, n));
12163 } else {
12164 ret = get_errno(lremovexattr(p, n));
12165 }
12166 } else {
12167 ret = -TARGET_EFAULT;
12168 }
12169 unlock_user(p, arg1, 0);
12170 unlock_user(n, arg2, 0);
12171 }
12172 return ret;
12173 case TARGET_NR_fremovexattr:
12174 {
12175 void *n;
12176 n = lock_user_string(arg2);
12177 if (n) {
12178 ret = get_errno(fremovexattr(arg1, n));
12179 } else {
12180 ret = -TARGET_EFAULT;
12181 }
12182 unlock_user(n, arg2, 0);
12183 }
12184 return ret;
12185#endif
12186#endif
12187#ifdef TARGET_NR_set_thread_area
12188 case TARGET_NR_set_thread_area:
12189#if defined(TARGET_MIPS)
12190 cpu_env->active_tc.CP0_UserLocal = arg1;
12191 return 0;
12192#elif defined(TARGET_CRIS)
12193 if (arg1 & 0xff)
12194 ret = -TARGET_EINVAL;
12195 else {
12196 cpu_env->pregs[PR_PID] = arg1;
12197 ret = 0;
12198 }
12199 return ret;
12200#elif defined(TARGET_I386) && defined(TARGET_ABI32)
12201 return do_set_thread_area(cpu_env, arg1);
12202#elif defined(TARGET_M68K)
12203 {
12204 TaskState *ts = cpu->opaque;
12205 ts->tp_value = arg1;
12206 return 0;
12207 }
12208#else
12209 return -TARGET_ENOSYS;
12210#endif
12211#endif
12212#ifdef TARGET_NR_get_thread_area
12213 case TARGET_NR_get_thread_area:
12214#if defined(TARGET_I386) && defined(TARGET_ABI32)
12215 return do_get_thread_area(cpu_env, arg1);
12216#elif defined(TARGET_M68K)
12217 {
12218 TaskState *ts = cpu->opaque;
12219 return ts->tp_value;
12220 }
12221#else
12222 return -TARGET_ENOSYS;
12223#endif
12224#endif
12225#ifdef TARGET_NR_getdomainname
12226 case TARGET_NR_getdomainname:
12227 return -TARGET_ENOSYS;
12228#endif
12229
12230#ifdef TARGET_NR_clock_settime
12231 case TARGET_NR_clock_settime:
12232 {
12233 struct timespec ts;
12234
12235 ret = target_to_host_timespec(&ts, arg2);
12236 if (!is_error(ret)) {
12237 ret = get_errno(clock_settime(arg1, &ts));
12238 }
12239 return ret;
12240 }
12241#endif
12242#ifdef TARGET_NR_clock_settime64
12243 case TARGET_NR_clock_settime64:
12244 {
12245 struct timespec ts;
12246
12247 ret = target_to_host_timespec64(&ts, arg2);
12248 if (!is_error(ret)) {
12249 ret = get_errno(clock_settime(arg1, &ts));
12250 }
12251 return ret;
12252 }
12253#endif
12254#ifdef TARGET_NR_clock_gettime
12255 case TARGET_NR_clock_gettime:
12256 {
12257 struct timespec ts;
12258 ret = get_errno(clock_gettime(arg1, &ts));
12259 if (!is_error(ret)) {
12260 ret = host_to_target_timespec(arg2, &ts);
12261 }
12262 return ret;
12263 }
12264#endif
12265#ifdef TARGET_NR_clock_gettime64
12266 case TARGET_NR_clock_gettime64:
12267 {
12268 struct timespec ts;
12269 ret = get_errno(clock_gettime(arg1, &ts));
12270 if (!is_error(ret)) {
12271 ret = host_to_target_timespec64(arg2, &ts);
12272 }
12273 return ret;
12274 }
12275#endif
12276#ifdef TARGET_NR_clock_getres
12277 case TARGET_NR_clock_getres:
12278 {
12279 struct timespec ts;
12280 ret = get_errno(clock_getres(arg1, &ts));
12281 if (!is_error(ret)) {
12282 host_to_target_timespec(arg2, &ts);
12283 }
12284 return ret;
12285 }
12286#endif
12287#ifdef TARGET_NR_clock_getres_time64
12288 case TARGET_NR_clock_getres_time64:
12289 {
12290 struct timespec ts;
12291 ret = get_errno(clock_getres(arg1, &ts));
12292 if (!is_error(ret)) {
12293 host_to_target_timespec64(arg2, &ts);
12294 }
12295 return ret;
12296 }
12297#endif
12298#ifdef TARGET_NR_clock_nanosleep
12299 case TARGET_NR_clock_nanosleep:
12300 {
12301 struct timespec ts;
12302 if (target_to_host_timespec(&ts, arg3)) {
12303 return -TARGET_EFAULT;
12304 }
12305 ret = get_errno(safe_clock_nanosleep(arg1, arg2,
12306 &ts, arg4 ? &ts : NULL));
12307
12308
12309
12310
12311
12312 if (ret == -TARGET_EINTR && arg4 && arg2 != TIMER_ABSTIME &&
12313 host_to_target_timespec(arg4, &ts)) {
12314 return -TARGET_EFAULT;
12315 }
12316
12317 return ret;
12318 }
12319#endif
12320#ifdef TARGET_NR_clock_nanosleep_time64
12321 case TARGET_NR_clock_nanosleep_time64:
12322 {
12323 struct timespec ts;
12324
12325 if (target_to_host_timespec64(&ts, arg3)) {
12326 return -TARGET_EFAULT;
12327 }
12328
12329 ret = get_errno(safe_clock_nanosleep(arg1, arg2,
12330 &ts, arg4 ? &ts : NULL));
12331
12332 if (ret == -TARGET_EINTR && arg4 && arg2 != TIMER_ABSTIME &&
12333 host_to_target_timespec64(arg4, &ts)) {
12334 return -TARGET_EFAULT;
12335 }
12336 return ret;
12337 }
12338#endif
12339
12340#if defined(TARGET_NR_set_tid_address)
12341 case TARGET_NR_set_tid_address:
12342 {
12343 TaskState *ts = cpu->opaque;
12344 ts->child_tidptr = arg1;
12345
12346 return get_errno(sys_gettid());
12347 }
12348#endif
12349
12350 case TARGET_NR_tkill:
12351 return get_errno(safe_tkill((int)arg1, target_to_host_signal(arg2)));
12352
12353 case TARGET_NR_tgkill:
12354 return get_errno(safe_tgkill((int)arg1, (int)arg2,
12355 target_to_host_signal(arg3)));
12356
12357#ifdef TARGET_NR_set_robust_list
12358 case TARGET_NR_set_robust_list:
12359 case TARGET_NR_get_robust_list:
12360
12361
12362
12363
12364
12365
12366
12367
12368
12369
12370
12371
12372 return -TARGET_ENOSYS;
12373#endif
12374
12375#if defined(TARGET_NR_utimensat)
12376 case TARGET_NR_utimensat:
12377 {
12378 struct timespec *tsp, ts[2];
12379 if (!arg3) {
12380 tsp = NULL;
12381 } else {
12382 if (target_to_host_timespec(ts, arg3)) {
12383 return -TARGET_EFAULT;
12384 }
12385 if (target_to_host_timespec(ts + 1, arg3 +
12386 sizeof(struct target_timespec))) {
12387 return -TARGET_EFAULT;
12388 }
12389 tsp = ts;
12390 }
12391 if (!arg2)
12392 ret = get_errno(sys_utimensat(arg1, NULL, tsp, arg4));
12393 else {
12394 if (!(p = lock_user_string(arg2))) {
12395 return -TARGET_EFAULT;
12396 }
12397 ret = get_errno(sys_utimensat(arg1, path(p), tsp, arg4));
12398 unlock_user(p, arg2, 0);
12399 }
12400 }
12401 return ret;
12402#endif
12403#ifdef TARGET_NR_utimensat_time64
12404 case TARGET_NR_utimensat_time64:
12405 {
12406 struct timespec *tsp, ts[2];
12407 if (!arg3) {
12408 tsp = NULL;
12409 } else {
12410 if (target_to_host_timespec64(ts, arg3)) {
12411 return -TARGET_EFAULT;
12412 }
12413 if (target_to_host_timespec64(ts + 1, arg3 +
12414 sizeof(struct target__kernel_timespec))) {
12415 return -TARGET_EFAULT;
12416 }
12417 tsp = ts;
12418 }
12419 if (!arg2)
12420 ret = get_errno(sys_utimensat(arg1, NULL, tsp, arg4));
12421 else {
12422 p = lock_user_string(arg2);
12423 if (!p) {
12424 return -TARGET_EFAULT;
12425 }
12426 ret = get_errno(sys_utimensat(arg1, path(p), tsp, arg4));
12427 unlock_user(p, arg2, 0);
12428 }
12429 }
12430 return ret;
12431#endif
12432#ifdef TARGET_NR_futex
12433 case TARGET_NR_futex:
12434 return do_futex(cpu, false, arg1, arg2, arg3, arg4, arg5, arg6);
12435#endif
12436#ifdef TARGET_NR_futex_time64
12437 case TARGET_NR_futex_time64:
12438 return do_futex(cpu, true, arg1, arg2, arg3, arg4, arg5, arg6);
12439#endif
12440#ifdef CONFIG_INOTIFY
12441#if defined(TARGET_NR_inotify_init)
12442 case TARGET_NR_inotify_init:
12443 ret = get_errno(inotify_init());
12444 if (ret >= 0) {
12445 fd_trans_register(ret, &target_inotify_trans);
12446 }
12447 return ret;
12448#endif
12449#if defined(TARGET_NR_inotify_init1) && defined(CONFIG_INOTIFY1)
12450 case TARGET_NR_inotify_init1:
12451 ret = get_errno(inotify_init1(target_to_host_bitmask(arg1,
12452 fcntl_flags_tbl)));
12453 if (ret >= 0) {
12454 fd_trans_register(ret, &target_inotify_trans);
12455 }
12456 return ret;
12457#endif
12458#if defined(TARGET_NR_inotify_add_watch)
12459 case TARGET_NR_inotify_add_watch:
12460 p = lock_user_string(arg2);
12461 ret = get_errno(inotify_add_watch(arg1, path(p), arg3));
12462 unlock_user(p, arg2, 0);
12463 return ret;
12464#endif
12465#if defined(TARGET_NR_inotify_rm_watch)
12466 case TARGET_NR_inotify_rm_watch:
12467 return get_errno(inotify_rm_watch(arg1, arg2));
12468#endif
12469#endif
12470
12471#if defined(TARGET_NR_mq_open) && defined(__NR_mq_open)
12472 case TARGET_NR_mq_open:
12473 {
12474 struct mq_attr posix_mq_attr;
12475 struct mq_attr *pposix_mq_attr;
12476 int host_flags;
12477
12478 host_flags = target_to_host_bitmask(arg2, fcntl_flags_tbl);
12479 pposix_mq_attr = NULL;
12480 if (arg4) {
12481 if (copy_from_user_mq_attr(&posix_mq_attr, arg4) != 0) {
12482 return -TARGET_EFAULT;
12483 }
12484 pposix_mq_attr = &posix_mq_attr;
12485 }
12486 p = lock_user_string(arg1 - 1);
12487 if (!p) {
12488 return -TARGET_EFAULT;
12489 }
12490 ret = get_errno(mq_open(p, host_flags, arg3, pposix_mq_attr));
12491 unlock_user (p, arg1, 0);
12492 }
12493 return ret;
12494
12495 case TARGET_NR_mq_unlink:
12496 p = lock_user_string(arg1 - 1);
12497 if (!p) {
12498 return -TARGET_EFAULT;
12499 }
12500 ret = get_errno(mq_unlink(p));
12501 unlock_user (p, arg1, 0);
12502 return ret;
12503
12504#ifdef TARGET_NR_mq_timedsend
12505 case TARGET_NR_mq_timedsend:
12506 {
12507 struct timespec ts;
12508
12509 p = lock_user (VERIFY_READ, arg2, arg3, 1);
12510 if (arg5 != 0) {
12511 if (target_to_host_timespec(&ts, arg5)) {
12512 return -TARGET_EFAULT;
12513 }
12514 ret = get_errno(safe_mq_timedsend(arg1, p, arg3, arg4, &ts));
12515 if (!is_error(ret) && host_to_target_timespec(arg5, &ts)) {
12516 return -TARGET_EFAULT;
12517 }
12518 } else {
12519 ret = get_errno(safe_mq_timedsend(arg1, p, arg3, arg4, NULL));
12520 }
12521 unlock_user (p, arg2, arg3);
12522 }
12523 return ret;
12524#endif
12525#ifdef TARGET_NR_mq_timedsend_time64
12526 case TARGET_NR_mq_timedsend_time64:
12527 {
12528 struct timespec ts;
12529
12530 p = lock_user(VERIFY_READ, arg2, arg3, 1);
12531 if (arg5 != 0) {
12532 if (target_to_host_timespec64(&ts, arg5)) {
12533 return -TARGET_EFAULT;
12534 }
12535 ret = get_errno(safe_mq_timedsend(arg1, p, arg3, arg4, &ts));
12536 if (!is_error(ret) && host_to_target_timespec64(arg5, &ts)) {
12537 return -TARGET_EFAULT;
12538 }
12539 } else {
12540 ret = get_errno(safe_mq_timedsend(arg1, p, arg3, arg4, NULL));
12541 }
12542 unlock_user(p, arg2, arg3);
12543 }
12544 return ret;
12545#endif
12546
12547#ifdef TARGET_NR_mq_timedreceive
12548 case TARGET_NR_mq_timedreceive:
12549 {
12550 struct timespec ts;
12551 unsigned int prio;
12552
12553 p = lock_user (VERIFY_READ, arg2, arg3, 1);
12554 if (arg5 != 0) {
12555 if (target_to_host_timespec(&ts, arg5)) {
12556 return -TARGET_EFAULT;
12557 }
12558 ret = get_errno(safe_mq_timedreceive(arg1, p, arg3,
12559 &prio, &ts));
12560 if (!is_error(ret) && host_to_target_timespec(arg5, &ts)) {
12561 return -TARGET_EFAULT;
12562 }
12563 } else {
12564 ret = get_errno(safe_mq_timedreceive(arg1, p, arg3,
12565 &prio, NULL));
12566 }
12567 unlock_user (p, arg2, arg3);
12568 if (arg4 != 0)
12569 put_user_u32(prio, arg4);
12570 }
12571 return ret;
12572#endif
12573#ifdef TARGET_NR_mq_timedreceive_time64
12574 case TARGET_NR_mq_timedreceive_time64:
12575 {
12576 struct timespec ts;
12577 unsigned int prio;
12578
12579 p = lock_user(VERIFY_READ, arg2, arg3, 1);
12580 if (arg5 != 0) {
12581 if (target_to_host_timespec64(&ts, arg5)) {
12582 return -TARGET_EFAULT;
12583 }
12584 ret = get_errno(safe_mq_timedreceive(arg1, p, arg3,
12585 &prio, &ts));
12586 if (!is_error(ret) && host_to_target_timespec64(arg5, &ts)) {
12587 return -TARGET_EFAULT;
12588 }
12589 } else {
12590 ret = get_errno(safe_mq_timedreceive(arg1, p, arg3,
12591 &prio, NULL));
12592 }
12593 unlock_user(p, arg2, arg3);
12594 if (arg4 != 0) {
12595 put_user_u32(prio, arg4);
12596 }
12597 }
12598 return ret;
12599#endif
12600
12601
12602
12603
12604
12605 case TARGET_NR_mq_getsetattr:
12606 {
12607 struct mq_attr posix_mq_attr_in, posix_mq_attr_out;
12608 ret = 0;
12609 if (arg2 != 0) {
12610 copy_from_user_mq_attr(&posix_mq_attr_in, arg2);
12611 ret = get_errno(mq_setattr(arg1, &posix_mq_attr_in,
12612 &posix_mq_attr_out));
12613 } else if (arg3 != 0) {
12614 ret = get_errno(mq_getattr(arg1, &posix_mq_attr_out));
12615 }
12616 if (ret == 0 && arg3 != 0) {
12617 copy_to_user_mq_attr(arg3, &posix_mq_attr_out);
12618 }
12619 }
12620 return ret;
12621#endif
12622
12623#ifdef CONFIG_SPLICE
12624#ifdef TARGET_NR_tee
12625 case TARGET_NR_tee:
12626 {
12627 ret = get_errno(tee(arg1,arg2,arg3,arg4));
12628 }
12629 return ret;
12630#endif
12631#ifdef TARGET_NR_splice
12632 case TARGET_NR_splice:
12633 {
12634 loff_t loff_in, loff_out;
12635 loff_t *ploff_in = NULL, *ploff_out = NULL;
12636 if (arg2) {
12637 if (get_user_u64(loff_in, arg2)) {
12638 return -TARGET_EFAULT;
12639 }
12640 ploff_in = &loff_in;
12641 }
12642 if (arg4) {
12643 if (get_user_u64(loff_out, arg4)) {
12644 return -TARGET_EFAULT;
12645 }
12646 ploff_out = &loff_out;
12647 }
12648 ret = get_errno(splice(arg1, ploff_in, arg3, ploff_out, arg5, arg6));
12649 if (arg2) {
12650 if (put_user_u64(loff_in, arg2)) {
12651 return -TARGET_EFAULT;
12652 }
12653 }
12654 if (arg4) {
12655 if (put_user_u64(loff_out, arg4)) {
12656 return -TARGET_EFAULT;
12657 }
12658 }
12659 }
12660 return ret;
12661#endif
12662#ifdef TARGET_NR_vmsplice
12663 case TARGET_NR_vmsplice:
12664 {
12665 struct iovec *vec = lock_iovec(VERIFY_READ, arg2, arg3, 1);
12666 if (vec != NULL) {
12667 ret = get_errno(vmsplice(arg1, vec, arg3, arg4));
12668 unlock_iovec(vec, arg2, arg3, 0);
12669 } else {
12670 ret = -host_to_target_errno(errno);
12671 }
12672 }
12673 return ret;
12674#endif
12675#endif
12676#ifdef CONFIG_EVENTFD
12677#if defined(TARGET_NR_eventfd)
12678 case TARGET_NR_eventfd:
12679 ret = get_errno(eventfd(arg1, 0));
12680 if (ret >= 0) {
12681 fd_trans_register(ret, &target_eventfd_trans);
12682 }
12683 return ret;
12684#endif
12685#if defined(TARGET_NR_eventfd2)
12686 case TARGET_NR_eventfd2:
12687 {
12688 int host_flags = arg2 & (~(TARGET_O_NONBLOCK_MASK | TARGET_O_CLOEXEC));
12689 if (arg2 & TARGET_O_NONBLOCK) {
12690 host_flags |= O_NONBLOCK;
12691 }
12692 if (arg2 & TARGET_O_CLOEXEC) {
12693 host_flags |= O_CLOEXEC;
12694 }
12695 ret = get_errno(eventfd(arg1, host_flags));
12696 if (ret >= 0) {
12697 fd_trans_register(ret, &target_eventfd_trans);
12698 }
12699 return ret;
12700 }
12701#endif
12702#endif
12703#if defined(CONFIG_FALLOCATE) && defined(TARGET_NR_fallocate)
12704 case TARGET_NR_fallocate:
12705#if TARGET_ABI_BITS == 32 && !defined(TARGET_ABI_MIPSN32)
12706 ret = get_errno(fallocate(arg1, arg2, target_offset64(arg3, arg4),
12707 target_offset64(arg5, arg6)));
12708#else
12709 ret = get_errno(fallocate(arg1, arg2, arg3, arg4));
12710#endif
12711 return ret;
12712#endif
12713#if defined(CONFIG_SYNC_FILE_RANGE)
12714#if defined(TARGET_NR_sync_file_range)
12715 case TARGET_NR_sync_file_range:
12716#if TARGET_ABI_BITS == 32 && !defined(TARGET_ABI_MIPSN32)
12717#if defined(TARGET_MIPS)
12718 ret = get_errno(sync_file_range(arg1, target_offset64(arg3, arg4),
12719 target_offset64(arg5, arg6), arg7));
12720#else
12721 ret = get_errno(sync_file_range(arg1, target_offset64(arg2, arg3),
12722 target_offset64(arg4, arg5), arg6));
12723#endif
12724#else
12725 ret = get_errno(sync_file_range(arg1, arg2, arg3, arg4));
12726#endif
12727 return ret;
12728#endif
12729#if defined(TARGET_NR_sync_file_range2) || \
12730 defined(TARGET_NR_arm_sync_file_range)
12731#if defined(TARGET_NR_sync_file_range2)
12732 case TARGET_NR_sync_file_range2:
12733#endif
12734#if defined(TARGET_NR_arm_sync_file_range)
12735 case TARGET_NR_arm_sync_file_range:
12736#endif
12737
12738#if TARGET_ABI_BITS == 32 && !defined(TARGET_ABI_MIPSN32)
12739 ret = get_errno(sync_file_range(arg1, target_offset64(arg3, arg4),
12740 target_offset64(arg5, arg6), arg2));
12741#else
12742 ret = get_errno(sync_file_range(arg1, arg3, arg4, arg2));
12743#endif
12744 return ret;
12745#endif
12746#endif
12747#if defined(TARGET_NR_signalfd4)
12748 case TARGET_NR_signalfd4:
12749 return do_signalfd4(arg1, arg2, arg4);
12750#endif
12751#if defined(TARGET_NR_signalfd)
12752 case TARGET_NR_signalfd:
12753 return do_signalfd4(arg1, arg2, 0);
12754#endif
12755#if defined(CONFIG_EPOLL)
12756#if defined(TARGET_NR_epoll_create)
12757 case TARGET_NR_epoll_create:
12758 return get_errno(epoll_create(arg1));
12759#endif
12760#if defined(TARGET_NR_epoll_create1) && defined(CONFIG_EPOLL_CREATE1)
12761 case TARGET_NR_epoll_create1:
12762 return get_errno(epoll_create1(target_to_host_bitmask(arg1, fcntl_flags_tbl)));
12763#endif
12764#if defined(TARGET_NR_epoll_ctl)
12765 case TARGET_NR_epoll_ctl:
12766 {
12767 struct epoll_event ep;
12768 struct epoll_event *epp = 0;
12769 if (arg4) {
12770 if (arg2 != EPOLL_CTL_DEL) {
12771 struct target_epoll_event *target_ep;
12772 if (!lock_user_struct(VERIFY_READ, target_ep, arg4, 1)) {
12773 return -TARGET_EFAULT;
12774 }
12775 ep.events = tswap32(target_ep->events);
12776
12777
12778
12779
12780
12781 ep.data.u64 = tswap64(target_ep->data.u64);
12782 unlock_user_struct(target_ep, arg4, 0);
12783 }
12784
12785
12786
12787
12788
12789 epp = &ep;
12790 }
12791 return get_errno(epoll_ctl(arg1, arg2, arg3, epp));
12792 }
12793#endif
12794
12795#if defined(TARGET_NR_epoll_wait) || defined(TARGET_NR_epoll_pwait)
12796#if defined(TARGET_NR_epoll_wait)
12797 case TARGET_NR_epoll_wait:
12798#endif
12799#if defined(TARGET_NR_epoll_pwait)
12800 case TARGET_NR_epoll_pwait:
12801#endif
12802 {
12803 struct target_epoll_event *target_ep;
12804 struct epoll_event *ep;
12805 int epfd = arg1;
12806 int maxevents = arg3;
12807 int timeout = arg4;
12808
12809 if (maxevents <= 0 || maxevents > TARGET_EP_MAX_EVENTS) {
12810 return -TARGET_EINVAL;
12811 }
12812
12813 target_ep = lock_user(VERIFY_WRITE, arg2,
12814 maxevents * sizeof(struct target_epoll_event), 1);
12815 if (!target_ep) {
12816 return -TARGET_EFAULT;
12817 }
12818
12819 ep = g_try_new(struct epoll_event, maxevents);
12820 if (!ep) {
12821 unlock_user(target_ep, arg2, 0);
12822 return -TARGET_ENOMEM;
12823 }
12824
12825 switch (num) {
12826#if defined(TARGET_NR_epoll_pwait)
12827 case TARGET_NR_epoll_pwait:
12828 {
12829 sigset_t *set = NULL;
12830
12831 if (arg5) {
12832 ret = process_sigsuspend_mask(&set, arg5, arg6);
12833 if (ret != 0) {
12834 break;
12835 }
12836 }
12837
12838 ret = get_errno(safe_epoll_pwait(epfd, ep, maxevents, timeout,
12839 set, SIGSET_T_SIZE));
12840
12841 if (set) {
12842 finish_sigsuspend_mask(ret);
12843 }
12844 break;
12845 }
12846#endif
12847#if defined(TARGET_NR_epoll_wait)
12848 case TARGET_NR_epoll_wait:
12849 ret = get_errno(safe_epoll_pwait(epfd, ep, maxevents, timeout,
12850 NULL, 0));
12851 break;
12852#endif
12853 default:
12854 ret = -TARGET_ENOSYS;
12855 }
12856 if (!is_error(ret)) {
12857 int i;
12858 for (i = 0; i < ret; i++) {
12859 target_ep[i].events = tswap32(ep[i].events);
12860 target_ep[i].data.u64 = tswap64(ep[i].data.u64);
12861 }
12862 unlock_user(target_ep, arg2,
12863 ret * sizeof(struct target_epoll_event));
12864 } else {
12865 unlock_user(target_ep, arg2, 0);
12866 }
12867 g_free(ep);
12868 return ret;
12869 }
12870#endif
12871#endif
12872#ifdef TARGET_NR_prlimit64
12873 case TARGET_NR_prlimit64:
12874 {
12875
12876 struct target_rlimit64 *target_rnew, *target_rold;
12877 struct host_rlimit64 rnew, rold, *rnewp = 0;
12878 int resource = target_to_host_resource(arg2);
12879
12880 if (arg3 && (resource != RLIMIT_AS &&
12881 resource != RLIMIT_DATA &&
12882 resource != RLIMIT_STACK)) {
12883 if (!lock_user_struct(VERIFY_READ, target_rnew, arg3, 1)) {
12884 return -TARGET_EFAULT;
12885 }
12886 rnew.rlim_cur = tswap64(target_rnew->rlim_cur);
12887 rnew.rlim_max = tswap64(target_rnew->rlim_max);
12888 unlock_user_struct(target_rnew, arg3, 0);
12889 rnewp = &rnew;
12890 }
12891
12892 ret = get_errno(sys_prlimit64(arg1, resource, rnewp, arg4 ? &rold : 0));
12893 if (!is_error(ret) && arg4) {
12894 if (!lock_user_struct(VERIFY_WRITE, target_rold, arg4, 1)) {
12895 return -TARGET_EFAULT;
12896 }
12897 target_rold->rlim_cur = tswap64(rold.rlim_cur);
12898 target_rold->rlim_max = tswap64(rold.rlim_max);
12899 unlock_user_struct(target_rold, arg4, 1);
12900 }
12901 return ret;
12902 }
12903#endif
12904#ifdef TARGET_NR_gethostname
12905 case TARGET_NR_gethostname:
12906 {
12907 char *name = lock_user(VERIFY_WRITE, arg1, arg2, 0);
12908 if (name) {
12909 ret = get_errno(gethostname(name, arg2));
12910 unlock_user(name, arg1, arg2);
12911 } else {
12912 ret = -TARGET_EFAULT;
12913 }
12914 return ret;
12915 }
12916#endif
12917#ifdef TARGET_NR_atomic_cmpxchg_32
12918 case TARGET_NR_atomic_cmpxchg_32:
12919 {
12920
12921 abi_ulong mem_value;
12922 if (get_user_u32(mem_value, arg6)) {
12923 target_siginfo_t info;
12924 info.si_signo = SIGSEGV;
12925 info.si_errno = 0;
12926 info.si_code = TARGET_SEGV_MAPERR;
12927 info._sifields._sigfault._addr = arg6;
12928 queue_signal(cpu_env, info.si_signo, QEMU_SI_FAULT, &info);
12929 ret = 0xdeadbeef;
12930
12931 }
12932 if (mem_value == arg2)
12933 put_user_u32(arg1, arg6);
12934 return mem_value;
12935 }
12936#endif
12937#ifdef TARGET_NR_atomic_barrier
12938 case TARGET_NR_atomic_barrier:
12939
12940
12941 return 0;
12942#endif
12943
12944#ifdef TARGET_NR_timer_create
12945 case TARGET_NR_timer_create:
12946 {
12947
12948
12949 struct sigevent host_sevp = { {0}, }, *phost_sevp = NULL;
12950
12951 int clkid = arg1;
12952 int timer_index = next_free_host_timer();
12953
12954 if (timer_index < 0) {
12955 ret = -TARGET_EAGAIN;
12956 } else {
12957 timer_t *phtimer = g_posix_timers + timer_index;
12958
12959 if (arg2) {
12960 phost_sevp = &host_sevp;
12961 ret = target_to_host_sigevent(phost_sevp, arg2);
12962 if (ret != 0) {
12963 free_host_timer_slot(timer_index);
12964 return ret;
12965 }
12966 }
12967
12968 ret = get_errno(timer_create(clkid, phost_sevp, phtimer));
12969 if (ret) {
12970 free_host_timer_slot(timer_index);
12971 } else {
12972 if (put_user(TIMER_MAGIC | timer_index, arg3, target_timer_t)) {
12973 timer_delete(*phtimer);
12974 free_host_timer_slot(timer_index);
12975 return -TARGET_EFAULT;
12976 }
12977 }
12978 }
12979 return ret;
12980 }
12981#endif
12982
12983#ifdef TARGET_NR_timer_settime
12984 case TARGET_NR_timer_settime:
12985 {
12986
12987
12988 target_timer_t timerid = get_timer_id(arg1);
12989
12990 if (timerid < 0) {
12991 ret = timerid;
12992 } else if (arg3 == 0) {
12993 ret = -TARGET_EINVAL;
12994 } else {
12995 timer_t htimer = g_posix_timers[timerid];
12996 struct itimerspec hspec_new = {{0},}, hspec_old = {{0},};
12997
12998 if (target_to_host_itimerspec(&hspec_new, arg3)) {
12999 return -TARGET_EFAULT;
13000 }
13001 ret = get_errno(
13002 timer_settime(htimer, arg2, &hspec_new, &hspec_old));
13003 if (arg4 && host_to_target_itimerspec(arg4, &hspec_old)) {
13004 return -TARGET_EFAULT;
13005 }
13006 }
13007 return ret;
13008 }
13009#endif
13010
13011#ifdef TARGET_NR_timer_settime64
13012 case TARGET_NR_timer_settime64:
13013 {
13014 target_timer_t timerid = get_timer_id(arg1);
13015
13016 if (timerid < 0) {
13017 ret = timerid;
13018 } else if (arg3 == 0) {
13019 ret = -TARGET_EINVAL;
13020 } else {
13021 timer_t htimer = g_posix_timers[timerid];
13022 struct itimerspec hspec_new = {{0},}, hspec_old = {{0},};
13023
13024 if (target_to_host_itimerspec64(&hspec_new, arg3)) {
13025 return -TARGET_EFAULT;
13026 }
13027 ret = get_errno(
13028 timer_settime(htimer, arg2, &hspec_new, &hspec_old));
13029 if (arg4 && host_to_target_itimerspec64(arg4, &hspec_old)) {
13030 return -TARGET_EFAULT;
13031 }
13032 }
13033 return ret;
13034 }
13035#endif
13036
13037#ifdef TARGET_NR_timer_gettime
13038 case TARGET_NR_timer_gettime:
13039 {
13040
13041 target_timer_t timerid = get_timer_id(arg1);
13042
13043 if (timerid < 0) {
13044 ret = timerid;
13045 } else if (!arg2) {
13046 ret = -TARGET_EFAULT;
13047 } else {
13048 timer_t htimer = g_posix_timers[timerid];
13049 struct itimerspec hspec;
13050 ret = get_errno(timer_gettime(htimer, &hspec));
13051
13052 if (host_to_target_itimerspec(arg2, &hspec)) {
13053 ret = -TARGET_EFAULT;
13054 }
13055 }
13056 return ret;
13057 }
13058#endif
13059
13060#ifdef TARGET_NR_timer_gettime64
13061 case TARGET_NR_timer_gettime64:
13062 {
13063
13064 target_timer_t timerid = get_timer_id(arg1);
13065
13066 if (timerid < 0) {
13067 ret = timerid;
13068 } else if (!arg2) {
13069 ret = -TARGET_EFAULT;
13070 } else {
13071 timer_t htimer = g_posix_timers[timerid];
13072 struct itimerspec hspec;
13073 ret = get_errno(timer_gettime(htimer, &hspec));
13074
13075 if (host_to_target_itimerspec64(arg2, &hspec)) {
13076 ret = -TARGET_EFAULT;
13077 }
13078 }
13079 return ret;
13080 }
13081#endif
13082
13083#ifdef TARGET_NR_timer_getoverrun
13084 case TARGET_NR_timer_getoverrun:
13085 {
13086
13087 target_timer_t timerid = get_timer_id(arg1);
13088
13089 if (timerid < 0) {
13090 ret = timerid;
13091 } else {
13092 timer_t htimer = g_posix_timers[timerid];
13093 ret = get_errno(timer_getoverrun(htimer));
13094 }
13095 return ret;
13096 }
13097#endif
13098
13099#ifdef TARGET_NR_timer_delete
13100 case TARGET_NR_timer_delete:
13101 {
13102
13103 target_timer_t timerid = get_timer_id(arg1);
13104
13105 if (timerid < 0) {
13106 ret = timerid;
13107 } else {
13108 timer_t htimer = g_posix_timers[timerid];
13109 ret = get_errno(timer_delete(htimer));
13110 free_host_timer_slot(timerid);
13111 }
13112 return ret;
13113 }
13114#endif
13115
13116#if defined(TARGET_NR_timerfd_create) && defined(CONFIG_TIMERFD)
13117 case TARGET_NR_timerfd_create:
13118 return get_errno(timerfd_create(arg1,
13119 target_to_host_bitmask(arg2, fcntl_flags_tbl)));
13120#endif
13121
13122#if defined(TARGET_NR_timerfd_gettime) && defined(CONFIG_TIMERFD)
13123 case TARGET_NR_timerfd_gettime:
13124 {
13125 struct itimerspec its_curr;
13126
13127 ret = get_errno(timerfd_gettime(arg1, &its_curr));
13128
13129 if (arg2 && host_to_target_itimerspec(arg2, &its_curr)) {
13130 return -TARGET_EFAULT;
13131 }
13132 }
13133 return ret;
13134#endif
13135
13136#if defined(TARGET_NR_timerfd_gettime64) && defined(CONFIG_TIMERFD)
13137 case TARGET_NR_timerfd_gettime64:
13138 {
13139 struct itimerspec its_curr;
13140
13141 ret = get_errno(timerfd_gettime(arg1, &its_curr));
13142
13143 if (arg2 && host_to_target_itimerspec64(arg2, &its_curr)) {
13144 return -TARGET_EFAULT;
13145 }
13146 }
13147 return ret;
13148#endif
13149
13150#if defined(TARGET_NR_timerfd_settime) && defined(CONFIG_TIMERFD)
13151 case TARGET_NR_timerfd_settime:
13152 {
13153 struct itimerspec its_new, its_old, *p_new;
13154
13155 if (arg3) {
13156 if (target_to_host_itimerspec(&its_new, arg3)) {
13157 return -TARGET_EFAULT;
13158 }
13159 p_new = &its_new;
13160 } else {
13161 p_new = NULL;
13162 }
13163
13164 ret = get_errno(timerfd_settime(arg1, arg2, p_new, &its_old));
13165
13166 if (arg4 && host_to_target_itimerspec(arg4, &its_old)) {
13167 return -TARGET_EFAULT;
13168 }
13169 }
13170 return ret;
13171#endif
13172
13173#if defined(TARGET_NR_timerfd_settime64) && defined(CONFIG_TIMERFD)
13174 case TARGET_NR_timerfd_settime64:
13175 {
13176 struct itimerspec its_new, its_old, *p_new;
13177
13178 if (arg3) {
13179 if (target_to_host_itimerspec64(&its_new, arg3)) {
13180 return -TARGET_EFAULT;
13181 }
13182 p_new = &its_new;
13183 } else {
13184 p_new = NULL;
13185 }
13186
13187 ret = get_errno(timerfd_settime(arg1, arg2, p_new, &its_old));
13188
13189 if (arg4 && host_to_target_itimerspec64(arg4, &its_old)) {
13190 return -TARGET_EFAULT;
13191 }
13192 }
13193 return ret;
13194#endif
13195
13196#if defined(TARGET_NR_ioprio_get) && defined(__NR_ioprio_get)
13197 case TARGET_NR_ioprio_get:
13198 return get_errno(ioprio_get(arg1, arg2));
13199#endif
13200
13201#if defined(TARGET_NR_ioprio_set) && defined(__NR_ioprio_set)
13202 case TARGET_NR_ioprio_set:
13203 return get_errno(ioprio_set(arg1, arg2, arg3));
13204#endif
13205
13206#if defined(TARGET_NR_setns) && defined(CONFIG_SETNS)
13207 case TARGET_NR_setns:
13208 return get_errno(setns(arg1, arg2));
13209#endif
13210#if defined(TARGET_NR_unshare) && defined(CONFIG_SETNS)
13211 case TARGET_NR_unshare:
13212 return get_errno(unshare(arg1));
13213#endif
13214#if defined(TARGET_NR_kcmp) && defined(__NR_kcmp)
13215 case TARGET_NR_kcmp:
13216 return get_errno(kcmp(arg1, arg2, arg3, arg4, arg5));
13217#endif
13218#ifdef TARGET_NR_swapcontext
13219 case TARGET_NR_swapcontext:
13220
13221 return do_swapcontext(cpu_env, arg1, arg2, arg3);
13222#endif
13223#ifdef TARGET_NR_memfd_create
13224 case TARGET_NR_memfd_create:
13225 p = lock_user_string(arg1);
13226 if (!p) {
13227 return -TARGET_EFAULT;
13228 }
13229 ret = get_errno(memfd_create(p, arg2));
13230 fd_trans_unregister(ret);
13231 unlock_user(p, arg1, 0);
13232 return ret;
13233#endif
13234#if defined TARGET_NR_membarrier && defined __NR_membarrier
13235 case TARGET_NR_membarrier:
13236 return get_errno(membarrier(arg1, arg2));
13237#endif
13238
13239#if defined(TARGET_NR_copy_file_range) && defined(__NR_copy_file_range)
13240 case TARGET_NR_copy_file_range:
13241 {
13242 loff_t inoff, outoff;
13243 loff_t *pinoff = NULL, *poutoff = NULL;
13244
13245 if (arg2) {
13246 if (get_user_u64(inoff, arg2)) {
13247 return -TARGET_EFAULT;
13248 }
13249 pinoff = &inoff;
13250 }
13251 if (arg4) {
13252 if (get_user_u64(outoff, arg4)) {
13253 return -TARGET_EFAULT;
13254 }
13255 poutoff = &outoff;
13256 }
13257
13258 ret = get_errno(safe_copy_file_range(arg1, pinoff, arg3, poutoff,
13259 (abi_ulong)arg5, arg6));
13260 if (!is_error(ret) && ret > 0) {
13261 if (arg2) {
13262 if (put_user_u64(inoff, arg2)) {
13263 return -TARGET_EFAULT;
13264 }
13265 }
13266 if (arg4) {
13267 if (put_user_u64(outoff, arg4)) {
13268 return -TARGET_EFAULT;
13269 }
13270 }
13271 }
13272 }
13273 return ret;
13274#endif
13275
13276#if defined(TARGET_NR_pivot_root)
13277 case TARGET_NR_pivot_root:
13278 {
13279 void *p2;
13280 p = lock_user_string(arg1);
13281 p2 = lock_user_string(arg2);
13282 if (!p || !p2) {
13283 ret = -TARGET_EFAULT;
13284 } else {
13285 ret = get_errno(pivot_root(p, p2));
13286 }
13287 unlock_user(p2, arg2, 0);
13288 unlock_user(p, arg1, 0);
13289 }
13290 return ret;
13291#endif
13292
13293 default:
13294 qemu_log_mask(LOG_UNIMP, "Unsupported syscall: %d\n", num);
13295 return -TARGET_ENOSYS;
13296 }
13297 return ret;
13298}
13299
13300abi_long do_syscall(CPUArchState *cpu_env, int num, abi_long arg1,
13301 abi_long arg2, abi_long arg3, abi_long arg4,
13302 abi_long arg5, abi_long arg6, abi_long arg7,
13303 abi_long arg8)
13304{
13305 CPUState *cpu = env_cpu(cpu_env);
13306 abi_long ret;
13307
13308#ifdef DEBUG_ERESTARTSYS
13309
13310
13311
13312
13313 {
13314 static bool flag;
13315 flag = !flag;
13316 if (flag) {
13317 return -QEMU_ERESTARTSYS;
13318 }
13319 }
13320#endif
13321
13322 record_syscall_start(cpu, num, arg1,
13323 arg2, arg3, arg4, arg5, arg6, arg7, arg8);
13324
13325 if (unlikely(qemu_loglevel_mask(LOG_STRACE))) {
13326 print_syscall(cpu_env, num, arg1, arg2, arg3, arg4, arg5, arg6);
13327 }
13328
13329 ret = do_syscall1(cpu_env, num, arg1, arg2, arg3, arg4,
13330 arg5, arg6, arg7, arg8);
13331
13332 if (unlikely(qemu_loglevel_mask(LOG_STRACE))) {
13333 print_syscall_ret(cpu_env, num, ret, arg1, arg2,
13334 arg3, arg4, arg5, arg6);
13335 }
13336
13337 record_syscall_return(cpu, num, ret);
13338 return ret;
13339}
13340