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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#else
115#include <linux/fs.h>
116#endif
117#include <linux/fd.h>
118#if defined(CONFIG_FIEMAP)
119#include <linux/fiemap.h>
120#endif
121#include <linux/fb.h>
122#if defined(CONFIG_USBFS)
123#include <linux/usbdevice_fs.h>
124#include <linux/usb/ch9.h>
125#endif
126#include <linux/vt.h>
127#include <linux/dm-ioctl.h>
128#include <linux/reboot.h>
129#include <linux/route.h>
130#include <linux/filter.h>
131#include <linux/blkpg.h>
132#include <netpacket/packet.h>
133#include <linux/netlink.h>
134#include <linux/if_alg.h>
135#include <linux/rtc.h>
136#include <sound/asound.h>
137#ifdef HAVE_BTRFS_H
138#include <linux/btrfs.h>
139#endif
140#ifdef HAVE_DRM_H
141#include <libdrm/drm.h>
142#include <libdrm/i915_drm.h>
143#endif
144#include "linux_loop.h"
145#include "uname.h"
146
147#include "qemu.h"
148#include "user-internals.h"
149#include "strace.h"
150#include "signal-common.h"
151#include "loader.h"
152#include "user-mmap.h"
153#include "user/safe-syscall.h"
154#include "qemu/guest-random.h"
155#include "qemu/selfmap.h"
156#include "user/syscall-trace.h"
157#include "special-errno.h"
158#include "qapi/error.h"
159#include "fd-trans.h"
160#include "tcg/tcg.h"
161
162#ifndef CLONE_IO
163#define CLONE_IO 0x80000000
164#endif
165
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173
174
175
176
177#define CLONE_THREAD_FLAGS \
178 (CLONE_VM | CLONE_FS | CLONE_FILES | \
179 CLONE_SIGHAND | CLONE_THREAD | CLONE_SYSVSEM)
180
181
182
183
184
185#define CLONE_IGNORED_FLAGS \
186 (CLONE_DETACHED | CLONE_IO)
187
188
189#define CLONE_OPTIONAL_FORK_FLAGS \
190 (CLONE_SETTLS | CLONE_PARENT_SETTID | \
191 CLONE_CHILD_CLEARTID | CLONE_CHILD_SETTID)
192
193
194#define CLONE_OPTIONAL_THREAD_FLAGS \
195 (CLONE_SETTLS | CLONE_PARENT_SETTID | \
196 CLONE_CHILD_CLEARTID | CLONE_CHILD_SETTID | CLONE_PARENT)
197
198#define CLONE_INVALID_FORK_FLAGS \
199 (~(CSIGNAL | CLONE_OPTIONAL_FORK_FLAGS | CLONE_IGNORED_FLAGS))
200
201#define CLONE_INVALID_THREAD_FLAGS \
202 (~(CSIGNAL | CLONE_THREAD_FLAGS | CLONE_OPTIONAL_THREAD_FLAGS | \
203 CLONE_IGNORED_FLAGS))
204
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216
217
218
219#define VFAT_IOCTL_READDIR_BOTH \
220 _IOC(_IOC_READ, 'r', 1, (sizeof(struct linux_dirent) + 256) * 2)
221#define VFAT_IOCTL_READDIR_SHORT \
222 _IOC(_IOC_READ, 'r', 2, (sizeof(struct linux_dirent) + 256) * 2)
223
224#undef _syscall0
225#undef _syscall1
226#undef _syscall2
227#undef _syscall3
228#undef _syscall4
229#undef _syscall5
230#undef _syscall6
231
232#define _syscall0(type,name) \
233static type name (void) \
234{ \
235 return syscall(__NR_##name); \
236}
237
238#define _syscall1(type,name,type1,arg1) \
239static type name (type1 arg1) \
240{ \
241 return syscall(__NR_##name, arg1); \
242}
243
244#define _syscall2(type,name,type1,arg1,type2,arg2) \
245static type name (type1 arg1,type2 arg2) \
246{ \
247 return syscall(__NR_##name, arg1, arg2); \
248}
249
250#define _syscall3(type,name,type1,arg1,type2,arg2,type3,arg3) \
251static type name (type1 arg1,type2 arg2,type3 arg3) \
252{ \
253 return syscall(__NR_##name, arg1, arg2, arg3); \
254}
255
256#define _syscall4(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4) \
257static type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4) \
258{ \
259 return syscall(__NR_##name, arg1, arg2, arg3, arg4); \
260}
261
262#define _syscall5(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4, \
263 type5,arg5) \
264static type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4,type5 arg5) \
265{ \
266 return syscall(__NR_##name, arg1, arg2, arg3, arg4, arg5); \
267}
268
269
270#define _syscall6(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4, \
271 type5,arg5,type6,arg6) \
272static type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4,type5 arg5, \
273 type6 arg6) \
274{ \
275 return syscall(__NR_##name, arg1, arg2, arg3, arg4, arg5, arg6); \
276}
277
278
279#define __NR_sys_uname __NR_uname
280#define __NR_sys_getcwd1 __NR_getcwd
281#define __NR_sys_getdents __NR_getdents
282#define __NR_sys_getdents64 __NR_getdents64
283#define __NR_sys_getpriority __NR_getpriority
284#define __NR_sys_rt_sigqueueinfo __NR_rt_sigqueueinfo
285#define __NR_sys_rt_tgsigqueueinfo __NR_rt_tgsigqueueinfo
286#define __NR_sys_syslog __NR_syslog
287#if defined(__NR_futex)
288# define __NR_sys_futex __NR_futex
289#endif
290#if defined(__NR_futex_time64)
291# define __NR_sys_futex_time64 __NR_futex_time64
292#endif
293#define __NR_sys_statx __NR_statx
294
295#if defined(__alpha__) || defined(__x86_64__) || defined(__s390x__)
296#define __NR__llseek __NR_lseek
297#endif
298
299
300#if defined(TARGET_NR_llseek) && !defined(TARGET_NR__llseek)
301#define TARGET_NR__llseek TARGET_NR_llseek
302#endif
303
304
305#ifndef TARGET_O_NONBLOCK_MASK
306#define TARGET_O_NONBLOCK_MASK TARGET_O_NONBLOCK
307#endif
308
309#define __NR_sys_gettid __NR_gettid
310_syscall0(int, sys_gettid)
311
312
313
314
315
316
317
318#if defined(__NR_getdents) && HOST_LONG_BITS >= TARGET_ABI_BITS
319#define EMULATE_GETDENTS_WITH_GETDENTS
320#endif
321
322#if defined(TARGET_NR_getdents) && defined(EMULATE_GETDENTS_WITH_GETDENTS)
323_syscall3(int, sys_getdents, uint, fd, struct linux_dirent *, dirp, uint, count);
324#endif
325#if (defined(TARGET_NR_getdents) && \
326 !defined(EMULATE_GETDENTS_WITH_GETDENTS)) || \
327 (defined(TARGET_NR_getdents64) && defined(__NR_getdents64))
328_syscall3(int, sys_getdents64, uint, fd, struct linux_dirent64 *, dirp, uint, count);
329#endif
330#if defined(TARGET_NR__llseek) && defined(__NR_llseek)
331_syscall5(int, _llseek, uint, fd, ulong, hi, ulong, lo,
332 loff_t *, res, uint, wh);
333#endif
334_syscall3(int, sys_rt_sigqueueinfo, pid_t, pid, int, sig, siginfo_t *, uinfo)
335_syscall4(int, sys_rt_tgsigqueueinfo, pid_t, pid, pid_t, tid, int, sig,
336 siginfo_t *, uinfo)
337_syscall3(int,sys_syslog,int,type,char*,bufp,int,len)
338#ifdef __NR_exit_group
339_syscall1(int,exit_group,int,error_code)
340#endif
341#if defined(__NR_futex)
342_syscall6(int,sys_futex,int *,uaddr,int,op,int,val,
343 const struct timespec *,timeout,int *,uaddr2,int,val3)
344#endif
345#if defined(__NR_futex_time64)
346_syscall6(int,sys_futex_time64,int *,uaddr,int,op,int,val,
347 const struct timespec *,timeout,int *,uaddr2,int,val3)
348#endif
349#define __NR_sys_sched_getaffinity __NR_sched_getaffinity
350_syscall3(int, sys_sched_getaffinity, pid_t, pid, unsigned int, len,
351 unsigned long *, user_mask_ptr);
352#define __NR_sys_sched_setaffinity __NR_sched_setaffinity
353_syscall3(int, sys_sched_setaffinity, pid_t, pid, unsigned int, len,
354 unsigned long *, user_mask_ptr);
355
356struct sched_attr {
357 uint32_t size;
358 uint32_t sched_policy;
359 uint64_t sched_flags;
360 int32_t sched_nice;
361 uint32_t sched_priority;
362 uint64_t sched_runtime;
363 uint64_t sched_deadline;
364 uint64_t sched_period;
365 uint32_t sched_util_min;
366 uint32_t sched_util_max;
367};
368#define __NR_sys_sched_getattr __NR_sched_getattr
369_syscall4(int, sys_sched_getattr, pid_t, pid, struct sched_attr *, attr,
370 unsigned int, size, unsigned int, flags);
371#define __NR_sys_sched_setattr __NR_sched_setattr
372_syscall3(int, sys_sched_setattr, pid_t, pid, struct sched_attr *, attr,
373 unsigned int, flags);
374#define __NR_sys_sched_getscheduler __NR_sched_getscheduler
375_syscall1(int, sys_sched_getscheduler, pid_t, pid);
376#define __NR_sys_sched_setscheduler __NR_sched_setscheduler
377_syscall3(int, sys_sched_setscheduler, pid_t, pid, int, policy,
378 const struct sched_param *, param);
379#define __NR_sys_sched_getparam __NR_sched_getparam
380_syscall2(int, sys_sched_getparam, pid_t, pid,
381 struct sched_param *, param);
382#define __NR_sys_sched_setparam __NR_sched_setparam
383_syscall2(int, sys_sched_setparam, pid_t, pid,
384 const struct sched_param *, param);
385#define __NR_sys_getcpu __NR_getcpu
386_syscall3(int, sys_getcpu, unsigned *, cpu, unsigned *, node, void *, tcache);
387_syscall4(int, reboot, int, magic1, int, magic2, unsigned int, cmd,
388 void *, arg);
389_syscall2(int, capget, struct __user_cap_header_struct *, header,
390 struct __user_cap_data_struct *, data);
391_syscall2(int, capset, struct __user_cap_header_struct *, header,
392 struct __user_cap_data_struct *, data);
393#if defined(TARGET_NR_ioprio_get) && defined(__NR_ioprio_get)
394_syscall2(int, ioprio_get, int, which, int, who)
395#endif
396#if defined(TARGET_NR_ioprio_set) && defined(__NR_ioprio_set)
397_syscall3(int, ioprio_set, int, which, int, who, int, ioprio)
398#endif
399#if defined(TARGET_NR_getrandom) && defined(__NR_getrandom)
400_syscall3(int, getrandom, void *, buf, size_t, buflen, unsigned int, flags)
401#endif
402
403#if defined(TARGET_NR_kcmp) && defined(__NR_kcmp)
404_syscall5(int, kcmp, pid_t, pid1, pid_t, pid2, int, type,
405 unsigned long, idx1, unsigned long, idx2)
406#endif
407
408
409
410
411#if defined(TARGET_NR_statx) && defined(__NR_statx)
412_syscall5(int, sys_statx, int, dirfd, const char *, pathname, int, flags,
413 unsigned int, mask, struct target_statx *, statxbuf)
414#endif
415#if defined(TARGET_NR_membarrier) && defined(__NR_membarrier)
416_syscall2(int, membarrier, int, cmd, int, flags)
417#endif
418
419static const bitmask_transtbl fcntl_flags_tbl[] = {
420 { TARGET_O_ACCMODE, TARGET_O_WRONLY, O_ACCMODE, O_WRONLY, },
421 { TARGET_O_ACCMODE, TARGET_O_RDWR, O_ACCMODE, O_RDWR, },
422 { TARGET_O_CREAT, TARGET_O_CREAT, O_CREAT, O_CREAT, },
423 { TARGET_O_EXCL, TARGET_O_EXCL, O_EXCL, O_EXCL, },
424 { TARGET_O_NOCTTY, TARGET_O_NOCTTY, O_NOCTTY, O_NOCTTY, },
425 { TARGET_O_TRUNC, TARGET_O_TRUNC, O_TRUNC, O_TRUNC, },
426 { TARGET_O_APPEND, TARGET_O_APPEND, O_APPEND, O_APPEND, },
427 { TARGET_O_NONBLOCK, TARGET_O_NONBLOCK, O_NONBLOCK, O_NONBLOCK, },
428 { TARGET_O_SYNC, TARGET_O_DSYNC, O_SYNC, O_DSYNC, },
429 { TARGET_O_SYNC, TARGET_O_SYNC, O_SYNC, O_SYNC, },
430 { TARGET_FASYNC, TARGET_FASYNC, FASYNC, FASYNC, },
431 { TARGET_O_DIRECTORY, TARGET_O_DIRECTORY, O_DIRECTORY, O_DIRECTORY, },
432 { TARGET_O_NOFOLLOW, TARGET_O_NOFOLLOW, O_NOFOLLOW, O_NOFOLLOW, },
433#if defined(O_DIRECT)
434 { TARGET_O_DIRECT, TARGET_O_DIRECT, O_DIRECT, O_DIRECT, },
435#endif
436#if defined(O_NOATIME)
437 { TARGET_O_NOATIME, TARGET_O_NOATIME, O_NOATIME, O_NOATIME },
438#endif
439#if defined(O_CLOEXEC)
440 { TARGET_O_CLOEXEC, TARGET_O_CLOEXEC, O_CLOEXEC, O_CLOEXEC },
441#endif
442#if defined(O_PATH)
443 { TARGET_O_PATH, TARGET_O_PATH, O_PATH, O_PATH },
444#endif
445#if defined(O_TMPFILE)
446 { TARGET_O_TMPFILE, TARGET_O_TMPFILE, O_TMPFILE, O_TMPFILE },
447#endif
448
449#if TARGET_O_LARGEFILE != 0 || O_LARGEFILE != 0
450 { TARGET_O_LARGEFILE, TARGET_O_LARGEFILE, O_LARGEFILE, O_LARGEFILE, },
451#endif
452 { 0, 0, 0, 0 }
453};
454
455_syscall2(int, sys_getcwd1, char *, buf, size_t, size)
456
457#if defined(TARGET_NR_utimensat) || defined(TARGET_NR_utimensat_time64)
458#if defined(__NR_utimensat)
459#define __NR_sys_utimensat __NR_utimensat
460_syscall4(int,sys_utimensat,int,dirfd,const char *,pathname,
461 const struct timespec *,tsp,int,flags)
462#else
463static int sys_utimensat(int dirfd, const char *pathname,
464 const struct timespec times[2], int flags)
465{
466 errno = ENOSYS;
467 return -1;
468}
469#endif
470#endif
471
472#ifdef TARGET_NR_renameat2
473#if defined(__NR_renameat2)
474#define __NR_sys_renameat2 __NR_renameat2
475_syscall5(int, sys_renameat2, int, oldfd, const char *, old, int, newfd,
476 const char *, new, unsigned int, flags)
477#else
478static int sys_renameat2(int oldfd, const char *old,
479 int newfd, const char *new, int flags)
480{
481 if (flags == 0) {
482 return renameat(oldfd, old, newfd, new);
483 }
484 errno = ENOSYS;
485 return -1;
486}
487#endif
488#endif
489
490#ifdef CONFIG_INOTIFY
491#include <sys/inotify.h>
492#else
493
494#undef TARGET_NR_inotify_init
495#undef TARGET_NR_inotify_init1
496#undef TARGET_NR_inotify_add_watch
497#undef TARGET_NR_inotify_rm_watch
498#endif
499
500#if defined(TARGET_NR_prlimit64)
501#ifndef __NR_prlimit64
502# define __NR_prlimit64 -1
503#endif
504#define __NR_sys_prlimit64 __NR_prlimit64
505
506struct host_rlimit64 {
507 uint64_t rlim_cur;
508 uint64_t rlim_max;
509};
510_syscall4(int, sys_prlimit64, pid_t, pid, int, resource,
511 const struct host_rlimit64 *, new_limit,
512 struct host_rlimit64 *, old_limit)
513#endif
514
515
516#if defined(TARGET_NR_timer_create)
517
518static timer_t g_posix_timers[32] = { 0, } ;
519
520static inline int next_free_host_timer(void)
521{
522 int k ;
523
524 for (k = 0; k < ARRAY_SIZE(g_posix_timers); k++) {
525 if (g_posix_timers[k] == 0) {
526 g_posix_timers[k] = (timer_t) 1;
527 return k;
528 }
529 }
530 return -1;
531}
532#endif
533
534static inline int host_to_target_errno(int host_errno)
535{
536 switch (host_errno) {
537#define E(X) case X: return TARGET_##X;
538#include "errnos.c.inc"
539#undef E
540 default:
541 return host_errno;
542 }
543}
544
545static inline int target_to_host_errno(int target_errno)
546{
547 switch (target_errno) {
548#define E(X) case TARGET_##X: return X;
549#include "errnos.c.inc"
550#undef E
551 default:
552 return target_errno;
553 }
554}
555
556abi_long get_errno(abi_long ret)
557{
558 if (ret == -1)
559 return -host_to_target_errno(errno);
560 else
561 return ret;
562}
563
564const char *target_strerror(int err)
565{
566 if (err == QEMU_ERESTARTSYS) {
567 return "To be restarted";
568 }
569 if (err == QEMU_ESIGRETURN) {
570 return "Successful exit from sigreturn";
571 }
572
573 return strerror(target_to_host_errno(err));
574}
575
576static int check_zeroed_user(abi_long addr, size_t ksize, size_t usize)
577{
578 int i;
579 uint8_t b;
580 if (usize <= ksize) {
581 return 1;
582 }
583 for (i = ksize; i < usize; i++) {
584 if (get_user_u8(b, addr + i)) {
585 return -TARGET_EFAULT;
586 }
587 if (b != 0) {
588 return 0;
589 }
590 }
591 return 1;
592}
593
594#define safe_syscall0(type, name) \
595static type safe_##name(void) \
596{ \
597 return safe_syscall(__NR_##name); \
598}
599
600#define safe_syscall1(type, name, type1, arg1) \
601static type safe_##name(type1 arg1) \
602{ \
603 return safe_syscall(__NR_##name, arg1); \
604}
605
606#define safe_syscall2(type, name, type1, arg1, type2, arg2) \
607static type safe_##name(type1 arg1, type2 arg2) \
608{ \
609 return safe_syscall(__NR_##name, arg1, arg2); \
610}
611
612#define safe_syscall3(type, name, type1, arg1, type2, arg2, type3, arg3) \
613static type safe_##name(type1 arg1, type2 arg2, type3 arg3) \
614{ \
615 return safe_syscall(__NR_##name, arg1, arg2, arg3); \
616}
617
618#define safe_syscall4(type, name, type1, arg1, type2, arg2, type3, arg3, \
619 type4, arg4) \
620static type safe_##name(type1 arg1, type2 arg2, type3 arg3, type4 arg4) \
621{ \
622 return safe_syscall(__NR_##name, arg1, arg2, arg3, arg4); \
623}
624
625#define safe_syscall5(type, name, type1, arg1, type2, arg2, type3, arg3, \
626 type4, arg4, type5, arg5) \
627static type safe_##name(type1 arg1, type2 arg2, type3 arg3, type4 arg4, \
628 type5 arg5) \
629{ \
630 return safe_syscall(__NR_##name, arg1, arg2, arg3, arg4, arg5); \
631}
632
633#define safe_syscall6(type, name, type1, arg1, type2, arg2, type3, arg3, \
634 type4, arg4, type5, arg5, type6, arg6) \
635static type safe_##name(type1 arg1, type2 arg2, type3 arg3, type4 arg4, \
636 type5 arg5, type6 arg6) \
637{ \
638 return safe_syscall(__NR_##name, arg1, arg2, arg3, arg4, arg5, arg6); \
639}
640
641safe_syscall3(ssize_t, read, int, fd, void *, buff, size_t, count)
642safe_syscall3(ssize_t, write, int, fd, const void *, buff, size_t, count)
643safe_syscall4(int, openat, int, dirfd, const char *, pathname, \
644 int, flags, mode_t, mode)
645#if defined(TARGET_NR_wait4) || defined(TARGET_NR_waitpid)
646safe_syscall4(pid_t, wait4, pid_t, pid, int *, status, int, options, \
647 struct rusage *, rusage)
648#endif
649safe_syscall5(int, waitid, idtype_t, idtype, id_t, id, siginfo_t *, infop, \
650 int, options, struct rusage *, rusage)
651safe_syscall3(int, execve, const char *, filename, char **, argv, char **, envp)
652#if defined(TARGET_NR_select) || defined(TARGET_NR__newselect) || \
653 defined(TARGET_NR_pselect6) || defined(TARGET_NR_pselect6_time64)
654safe_syscall6(int, pselect6, int, nfds, fd_set *, readfds, fd_set *, writefds, \
655 fd_set *, exceptfds, struct timespec *, timeout, void *, sig)
656#endif
657#if defined(TARGET_NR_ppoll) || defined(TARGET_NR_ppoll_time64)
658safe_syscall5(int, ppoll, struct pollfd *, ufds, unsigned int, nfds,
659 struct timespec *, tsp, const sigset_t *, sigmask,
660 size_t, sigsetsize)
661#endif
662safe_syscall6(int, epoll_pwait, int, epfd, struct epoll_event *, events,
663 int, maxevents, int, timeout, const sigset_t *, sigmask,
664 size_t, sigsetsize)
665#if defined(__NR_futex)
666safe_syscall6(int,futex,int *,uaddr,int,op,int,val, \
667 const struct timespec *,timeout,int *,uaddr2,int,val3)
668#endif
669#if defined(__NR_futex_time64)
670safe_syscall6(int,futex_time64,int *,uaddr,int,op,int,val, \
671 const struct timespec *,timeout,int *,uaddr2,int,val3)
672#endif
673safe_syscall2(int, rt_sigsuspend, sigset_t *, newset, size_t, sigsetsize)
674safe_syscall2(int, kill, pid_t, pid, int, sig)
675safe_syscall2(int, tkill, int, tid, int, sig)
676safe_syscall3(int, tgkill, int, tgid, int, pid, int, sig)
677safe_syscall3(ssize_t, readv, int, fd, const struct iovec *, iov, int, iovcnt)
678safe_syscall3(ssize_t, writev, int, fd, const struct iovec *, iov, int, iovcnt)
679safe_syscall5(ssize_t, preadv, int, fd, const struct iovec *, iov, int, iovcnt,
680 unsigned long, pos_l, unsigned long, pos_h)
681safe_syscall5(ssize_t, pwritev, int, fd, const struct iovec *, iov, int, iovcnt,
682 unsigned long, pos_l, unsigned long, pos_h)
683safe_syscall3(int, connect, int, fd, const struct sockaddr *, addr,
684 socklen_t, addrlen)
685safe_syscall6(ssize_t, sendto, int, fd, const void *, buf, size_t, len,
686 int, flags, const struct sockaddr *, addr, socklen_t, addrlen)
687safe_syscall6(ssize_t, recvfrom, int, fd, void *, buf, size_t, len,
688 int, flags, struct sockaddr *, addr, socklen_t *, addrlen)
689safe_syscall3(ssize_t, sendmsg, int, fd, const struct msghdr *, msg, int, flags)
690safe_syscall3(ssize_t, recvmsg, int, fd, struct msghdr *, msg, int, flags)
691safe_syscall2(int, flock, int, fd, int, operation)
692#if defined(TARGET_NR_rt_sigtimedwait) || defined(TARGET_NR_rt_sigtimedwait_time64)
693safe_syscall4(int, rt_sigtimedwait, const sigset_t *, these, siginfo_t *, uinfo,
694 const struct timespec *, uts, size_t, sigsetsize)
695#endif
696safe_syscall4(int, accept4, int, fd, struct sockaddr *, addr, socklen_t *, len,
697 int, flags)
698#if defined(TARGET_NR_nanosleep)
699safe_syscall2(int, nanosleep, const struct timespec *, req,
700 struct timespec *, rem)
701#endif
702#if defined(TARGET_NR_clock_nanosleep) || \
703 defined(TARGET_NR_clock_nanosleep_time64)
704safe_syscall4(int, clock_nanosleep, const clockid_t, clock, int, flags,
705 const struct timespec *, req, struct timespec *, rem)
706#endif
707#ifdef __NR_ipc
708#ifdef __s390x__
709safe_syscall5(int, ipc, int, call, long, first, long, second, long, third,
710 void *, ptr)
711#else
712safe_syscall6(int, ipc, int, call, long, first, long, second, long, third,
713 void *, ptr, long, fifth)
714#endif
715#endif
716#ifdef __NR_msgsnd
717safe_syscall4(int, msgsnd, int, msgid, const void *, msgp, size_t, sz,
718 int, flags)
719#endif
720#ifdef __NR_msgrcv
721safe_syscall5(int, msgrcv, int, msgid, void *, msgp, size_t, sz,
722 long, msgtype, int, flags)
723#endif
724#ifdef __NR_semtimedop
725safe_syscall4(int, semtimedop, int, semid, struct sembuf *, tsops,
726 unsigned, nsops, const struct timespec *, timeout)
727#endif
728#if defined(TARGET_NR_mq_timedsend) || \
729 defined(TARGET_NR_mq_timedsend_time64)
730safe_syscall5(int, mq_timedsend, int, mqdes, const char *, msg_ptr,
731 size_t, len, unsigned, prio, const struct timespec *, timeout)
732#endif
733#if defined(TARGET_NR_mq_timedreceive) || \
734 defined(TARGET_NR_mq_timedreceive_time64)
735safe_syscall5(int, mq_timedreceive, int, mqdes, char *, msg_ptr,
736 size_t, len, unsigned *, prio, const struct timespec *, timeout)
737#endif
738#if defined(TARGET_NR_copy_file_range) && defined(__NR_copy_file_range)
739safe_syscall6(ssize_t, copy_file_range, int, infd, loff_t *, pinoff,
740 int, outfd, loff_t *, poutoff, size_t, length,
741 unsigned int, flags)
742#endif
743
744
745
746
747
748#define safe_ioctl(...) safe_syscall(__NR_ioctl, __VA_ARGS__)
749
750
751
752
753
754#ifdef __NR_fcntl64
755#define safe_fcntl(...) safe_syscall(__NR_fcntl64, __VA_ARGS__)
756#else
757#define safe_fcntl(...) safe_syscall(__NR_fcntl, __VA_ARGS__)
758#endif
759
760static inline int host_to_target_sock_type(int host_type)
761{
762 int target_type;
763
764 switch (host_type & 0xf ) {
765 case SOCK_DGRAM:
766 target_type = TARGET_SOCK_DGRAM;
767 break;
768 case SOCK_STREAM:
769 target_type = TARGET_SOCK_STREAM;
770 break;
771 default:
772 target_type = host_type & 0xf ;
773 break;
774 }
775
776#if defined(SOCK_CLOEXEC)
777 if (host_type & SOCK_CLOEXEC) {
778 target_type |= TARGET_SOCK_CLOEXEC;
779 }
780#endif
781
782#if defined(SOCK_NONBLOCK)
783 if (host_type & SOCK_NONBLOCK) {
784 target_type |= TARGET_SOCK_NONBLOCK;
785 }
786#endif
787
788 return target_type;
789}
790
791static abi_ulong target_brk;
792static abi_ulong target_original_brk;
793static abi_ulong brk_page;
794
795void target_set_brk(abi_ulong new_brk)
796{
797 target_original_brk = target_brk = HOST_PAGE_ALIGN(new_brk);
798 brk_page = HOST_PAGE_ALIGN(target_brk);
799}
800
801
802#define DEBUGF_BRK(message, args...)
803
804
805abi_long do_brk(abi_ulong new_brk)
806{
807 abi_long mapped_addr;
808 abi_ulong new_alloc_size;
809
810
811
812 DEBUGF_BRK("do_brk(" TARGET_ABI_FMT_lx ") -> ", new_brk);
813
814 if (!new_brk) {
815 DEBUGF_BRK(TARGET_ABI_FMT_lx " (!new_brk)\n", target_brk);
816 return target_brk;
817 }
818 if (new_brk < target_original_brk) {
819 DEBUGF_BRK(TARGET_ABI_FMT_lx " (new_brk < target_original_brk)\n",
820 target_brk);
821 return target_brk;
822 }
823
824
825
826 if (new_brk <= brk_page) {
827
828
829 if (new_brk > target_brk) {
830 memset(g2h_untagged(target_brk), 0, new_brk - target_brk);
831 }
832 target_brk = new_brk;
833 DEBUGF_BRK(TARGET_ABI_FMT_lx " (new_brk <= brk_page)\n", target_brk);
834 return target_brk;
835 }
836
837
838
839
840
841
842
843 new_alloc_size = HOST_PAGE_ALIGN(new_brk - brk_page);
844 mapped_addr = get_errno(target_mmap(brk_page, new_alloc_size,
845 PROT_READ|PROT_WRITE,
846 MAP_ANON|MAP_PRIVATE, 0, 0));
847
848 if (mapped_addr == brk_page) {
849
850
851
852
853
854
855
856 memset(g2h_untagged(target_brk), 0, brk_page - target_brk);
857
858 target_brk = new_brk;
859 brk_page = HOST_PAGE_ALIGN(target_brk);
860 DEBUGF_BRK(TARGET_ABI_FMT_lx " (mapped_addr == brk_page)\n",
861 target_brk);
862 return target_brk;
863 } else if (mapped_addr != -1) {
864
865
866
867 target_munmap(mapped_addr, new_alloc_size);
868 mapped_addr = -1;
869 DEBUGF_BRK(TARGET_ABI_FMT_lx " (mapped_addr != -1)\n", target_brk);
870 }
871 else {
872 DEBUGF_BRK(TARGET_ABI_FMT_lx " (otherwise)\n", target_brk);
873 }
874
875#if defined(TARGET_ALPHA)
876
877
878 return -TARGET_ENOMEM;
879#endif
880
881 return target_brk;
882}
883
884#if defined(TARGET_NR_select) || defined(TARGET_NR__newselect) || \
885 defined(TARGET_NR_pselect6) || defined(TARGET_NR_pselect6_time64)
886static inline abi_long copy_from_user_fdset(fd_set *fds,
887 abi_ulong target_fds_addr,
888 int n)
889{
890 int i, nw, j, k;
891 abi_ulong b, *target_fds;
892
893 nw = DIV_ROUND_UP(n, TARGET_ABI_BITS);
894 if (!(target_fds = lock_user(VERIFY_READ,
895 target_fds_addr,
896 sizeof(abi_ulong) * nw,
897 1)))
898 return -TARGET_EFAULT;
899
900 FD_ZERO(fds);
901 k = 0;
902 for (i = 0; i < nw; i++) {
903
904 __get_user(b, &target_fds[i]);
905 for (j = 0; j < TARGET_ABI_BITS; j++) {
906
907 if ((b >> j) & 1)
908 FD_SET(k, fds);
909 k++;
910 }
911 }
912
913 unlock_user(target_fds, target_fds_addr, 0);
914
915 return 0;
916}
917
918static inline abi_ulong copy_from_user_fdset_ptr(fd_set *fds, fd_set **fds_ptr,
919 abi_ulong target_fds_addr,
920 int n)
921{
922 if (target_fds_addr) {
923 if (copy_from_user_fdset(fds, target_fds_addr, n))
924 return -TARGET_EFAULT;
925 *fds_ptr = fds;
926 } else {
927 *fds_ptr = NULL;
928 }
929 return 0;
930}
931
932static inline abi_long copy_to_user_fdset(abi_ulong target_fds_addr,
933 const fd_set *fds,
934 int n)
935{
936 int i, nw, j, k;
937 abi_long v;
938 abi_ulong *target_fds;
939
940 nw = DIV_ROUND_UP(n, TARGET_ABI_BITS);
941 if (!(target_fds = lock_user(VERIFY_WRITE,
942 target_fds_addr,
943 sizeof(abi_ulong) * nw,
944 0)))
945 return -TARGET_EFAULT;
946
947 k = 0;
948 for (i = 0; i < nw; i++) {
949 v = 0;
950 for (j = 0; j < TARGET_ABI_BITS; j++) {
951 v |= ((abi_ulong)(FD_ISSET(k, fds) != 0) << j);
952 k++;
953 }
954 __put_user(v, &target_fds[i]);
955 }
956
957 unlock_user(target_fds, target_fds_addr, sizeof(abi_ulong) * nw);
958
959 return 0;
960}
961#endif
962
963#if defined(__alpha__)
964#define HOST_HZ 1024
965#else
966#define HOST_HZ 100
967#endif
968
969static inline abi_long host_to_target_clock_t(long ticks)
970{
971#if HOST_HZ == TARGET_HZ
972 return ticks;
973#else
974 return ((int64_t)ticks * TARGET_HZ) / HOST_HZ;
975#endif
976}
977
978static inline abi_long host_to_target_rusage(abi_ulong target_addr,
979 const struct rusage *rusage)
980{
981 struct target_rusage *target_rusage;
982
983 if (!lock_user_struct(VERIFY_WRITE, target_rusage, target_addr, 0))
984 return -TARGET_EFAULT;
985 target_rusage->ru_utime.tv_sec = tswapal(rusage->ru_utime.tv_sec);
986 target_rusage->ru_utime.tv_usec = tswapal(rusage->ru_utime.tv_usec);
987 target_rusage->ru_stime.tv_sec = tswapal(rusage->ru_stime.tv_sec);
988 target_rusage->ru_stime.tv_usec = tswapal(rusage->ru_stime.tv_usec);
989 target_rusage->ru_maxrss = tswapal(rusage->ru_maxrss);
990 target_rusage->ru_ixrss = tswapal(rusage->ru_ixrss);
991 target_rusage->ru_idrss = tswapal(rusage->ru_idrss);
992 target_rusage->ru_isrss = tswapal(rusage->ru_isrss);
993 target_rusage->ru_minflt = tswapal(rusage->ru_minflt);
994 target_rusage->ru_majflt = tswapal(rusage->ru_majflt);
995 target_rusage->ru_nswap = tswapal(rusage->ru_nswap);
996 target_rusage->ru_inblock = tswapal(rusage->ru_inblock);
997 target_rusage->ru_oublock = tswapal(rusage->ru_oublock);
998 target_rusage->ru_msgsnd = tswapal(rusage->ru_msgsnd);
999 target_rusage->ru_msgrcv = tswapal(rusage->ru_msgrcv);
1000 target_rusage->ru_nsignals = tswapal(rusage->ru_nsignals);
1001 target_rusage->ru_nvcsw = tswapal(rusage->ru_nvcsw);
1002 target_rusage->ru_nivcsw = tswapal(rusage->ru_nivcsw);
1003 unlock_user_struct(target_rusage, target_addr, 1);
1004
1005 return 0;
1006}
1007
1008#ifdef TARGET_NR_setrlimit
1009static inline rlim_t target_to_host_rlim(abi_ulong target_rlim)
1010{
1011 abi_ulong target_rlim_swap;
1012 rlim_t result;
1013
1014 target_rlim_swap = tswapal(target_rlim);
1015 if (target_rlim_swap == TARGET_RLIM_INFINITY)
1016 return RLIM_INFINITY;
1017
1018 result = target_rlim_swap;
1019 if (target_rlim_swap != (rlim_t)result)
1020 return RLIM_INFINITY;
1021
1022 return result;
1023}
1024#endif
1025
1026#if defined(TARGET_NR_getrlimit) || defined(TARGET_NR_ugetrlimit)
1027static inline abi_ulong host_to_target_rlim(rlim_t rlim)
1028{
1029 abi_ulong target_rlim_swap;
1030 abi_ulong result;
1031
1032 if (rlim == RLIM_INFINITY || rlim != (abi_long)rlim)
1033 target_rlim_swap = TARGET_RLIM_INFINITY;
1034 else
1035 target_rlim_swap = rlim;
1036 result = tswapal(target_rlim_swap);
1037
1038 return result;
1039}
1040#endif
1041
1042static inline int target_to_host_resource(int code)
1043{
1044 switch (code) {
1045 case TARGET_RLIMIT_AS:
1046 return RLIMIT_AS;
1047 case TARGET_RLIMIT_CORE:
1048 return RLIMIT_CORE;
1049 case TARGET_RLIMIT_CPU:
1050 return RLIMIT_CPU;
1051 case TARGET_RLIMIT_DATA:
1052 return RLIMIT_DATA;
1053 case TARGET_RLIMIT_FSIZE:
1054 return RLIMIT_FSIZE;
1055 case TARGET_RLIMIT_LOCKS:
1056 return RLIMIT_LOCKS;
1057 case TARGET_RLIMIT_MEMLOCK:
1058 return RLIMIT_MEMLOCK;
1059 case TARGET_RLIMIT_MSGQUEUE:
1060 return RLIMIT_MSGQUEUE;
1061 case TARGET_RLIMIT_NICE:
1062 return RLIMIT_NICE;
1063 case TARGET_RLIMIT_NOFILE:
1064 return RLIMIT_NOFILE;
1065 case TARGET_RLIMIT_NPROC:
1066 return RLIMIT_NPROC;
1067 case TARGET_RLIMIT_RSS:
1068 return RLIMIT_RSS;
1069 case TARGET_RLIMIT_RTPRIO:
1070 return RLIMIT_RTPRIO;
1071#ifdef RLIMIT_RTTIME
1072 case TARGET_RLIMIT_RTTIME:
1073 return RLIMIT_RTTIME;
1074#endif
1075 case TARGET_RLIMIT_SIGPENDING:
1076 return RLIMIT_SIGPENDING;
1077 case TARGET_RLIMIT_STACK:
1078 return RLIMIT_STACK;
1079 default:
1080 return code;
1081 }
1082}
1083
1084static inline abi_long copy_from_user_timeval(struct timeval *tv,
1085 abi_ulong target_tv_addr)
1086{
1087 struct target_timeval *target_tv;
1088
1089 if (!lock_user_struct(VERIFY_READ, target_tv, target_tv_addr, 1)) {
1090 return -TARGET_EFAULT;
1091 }
1092
1093 __get_user(tv->tv_sec, &target_tv->tv_sec);
1094 __get_user(tv->tv_usec, &target_tv->tv_usec);
1095
1096 unlock_user_struct(target_tv, target_tv_addr, 0);
1097
1098 return 0;
1099}
1100
1101static inline abi_long copy_to_user_timeval(abi_ulong target_tv_addr,
1102 const struct timeval *tv)
1103{
1104 struct target_timeval *target_tv;
1105
1106 if (!lock_user_struct(VERIFY_WRITE, target_tv, target_tv_addr, 0)) {
1107 return -TARGET_EFAULT;
1108 }
1109
1110 __put_user(tv->tv_sec, &target_tv->tv_sec);
1111 __put_user(tv->tv_usec, &target_tv->tv_usec);
1112
1113 unlock_user_struct(target_tv, target_tv_addr, 1);
1114
1115 return 0;
1116}
1117
1118#if defined(TARGET_NR_clock_adjtime64) && defined(CONFIG_CLOCK_ADJTIME)
1119static inline abi_long copy_from_user_timeval64(struct timeval *tv,
1120 abi_ulong target_tv_addr)
1121{
1122 struct target__kernel_sock_timeval *target_tv;
1123
1124 if (!lock_user_struct(VERIFY_READ, target_tv, target_tv_addr, 1)) {
1125 return -TARGET_EFAULT;
1126 }
1127
1128 __get_user(tv->tv_sec, &target_tv->tv_sec);
1129 __get_user(tv->tv_usec, &target_tv->tv_usec);
1130
1131 unlock_user_struct(target_tv, target_tv_addr, 0);
1132
1133 return 0;
1134}
1135#endif
1136
1137static inline abi_long copy_to_user_timeval64(abi_ulong target_tv_addr,
1138 const struct timeval *tv)
1139{
1140 struct target__kernel_sock_timeval *target_tv;
1141
1142 if (!lock_user_struct(VERIFY_WRITE, target_tv, target_tv_addr, 0)) {
1143 return -TARGET_EFAULT;
1144 }
1145
1146 __put_user(tv->tv_sec, &target_tv->tv_sec);
1147 __put_user(tv->tv_usec, &target_tv->tv_usec);
1148
1149 unlock_user_struct(target_tv, target_tv_addr, 1);
1150
1151 return 0;
1152}
1153
1154#if defined(TARGET_NR_futex) || \
1155 defined(TARGET_NR_rt_sigtimedwait) || \
1156 defined(TARGET_NR_pselect6) || defined(TARGET_NR_pselect6) || \
1157 defined(TARGET_NR_nanosleep) || defined(TARGET_NR_clock_settime) || \
1158 defined(TARGET_NR_utimensat) || defined(TARGET_NR_mq_timedsend) || \
1159 defined(TARGET_NR_mq_timedreceive) || defined(TARGET_NR_ipc) || \
1160 defined(TARGET_NR_semop) || defined(TARGET_NR_semtimedop) || \
1161 defined(TARGET_NR_timer_settime) || \
1162 (defined(TARGET_NR_timerfd_settime) && defined(CONFIG_TIMERFD))
1163static inline abi_long target_to_host_timespec(struct timespec *host_ts,
1164 abi_ulong target_addr)
1165{
1166 struct target_timespec *target_ts;
1167
1168 if (!lock_user_struct(VERIFY_READ, target_ts, target_addr, 1)) {
1169 return -TARGET_EFAULT;
1170 }
1171 __get_user(host_ts->tv_sec, &target_ts->tv_sec);
1172 __get_user(host_ts->tv_nsec, &target_ts->tv_nsec);
1173 unlock_user_struct(target_ts, target_addr, 0);
1174 return 0;
1175}
1176#endif
1177
1178#if defined(TARGET_NR_clock_settime64) || defined(TARGET_NR_futex_time64) || \
1179 defined(TARGET_NR_timer_settime64) || \
1180 defined(TARGET_NR_mq_timedsend_time64) || \
1181 defined(TARGET_NR_mq_timedreceive_time64) || \
1182 (defined(TARGET_NR_timerfd_settime64) && defined(CONFIG_TIMERFD)) || \
1183 defined(TARGET_NR_clock_nanosleep_time64) || \
1184 defined(TARGET_NR_rt_sigtimedwait_time64) || \
1185 defined(TARGET_NR_utimensat) || \
1186 defined(TARGET_NR_utimensat_time64) || \
1187 defined(TARGET_NR_semtimedop_time64) || \
1188 defined(TARGET_NR_pselect6_time64) || defined(TARGET_NR_ppoll_time64)
1189static inline abi_long target_to_host_timespec64(struct timespec *host_ts,
1190 abi_ulong target_addr)
1191{
1192 struct target__kernel_timespec *target_ts;
1193
1194 if (!lock_user_struct(VERIFY_READ, target_ts, target_addr, 1)) {
1195 return -TARGET_EFAULT;
1196 }
1197 __get_user(host_ts->tv_sec, &target_ts->tv_sec);
1198 __get_user(host_ts->tv_nsec, &target_ts->tv_nsec);
1199
1200 host_ts->tv_nsec = (long)(abi_long)host_ts->tv_nsec;
1201 unlock_user_struct(target_ts, target_addr, 0);
1202 return 0;
1203}
1204#endif
1205
1206static inline abi_long host_to_target_timespec(abi_ulong target_addr,
1207 struct timespec *host_ts)
1208{
1209 struct target_timespec *target_ts;
1210
1211 if (!lock_user_struct(VERIFY_WRITE, target_ts, target_addr, 0)) {
1212 return -TARGET_EFAULT;
1213 }
1214 __put_user(host_ts->tv_sec, &target_ts->tv_sec);
1215 __put_user(host_ts->tv_nsec, &target_ts->tv_nsec);
1216 unlock_user_struct(target_ts, target_addr, 1);
1217 return 0;
1218}
1219
1220static inline abi_long host_to_target_timespec64(abi_ulong target_addr,
1221 struct timespec *host_ts)
1222{
1223 struct target__kernel_timespec *target_ts;
1224
1225 if (!lock_user_struct(VERIFY_WRITE, target_ts, target_addr, 0)) {
1226 return -TARGET_EFAULT;
1227 }
1228 __put_user(host_ts->tv_sec, &target_ts->tv_sec);
1229 __put_user(host_ts->tv_nsec, &target_ts->tv_nsec);
1230 unlock_user_struct(target_ts, target_addr, 1);
1231 return 0;
1232}
1233
1234#if defined(TARGET_NR_gettimeofday)
1235static inline abi_long copy_to_user_timezone(abi_ulong target_tz_addr,
1236 struct timezone *tz)
1237{
1238 struct target_timezone *target_tz;
1239
1240 if (!lock_user_struct(VERIFY_WRITE, target_tz, target_tz_addr, 1)) {
1241 return -TARGET_EFAULT;
1242 }
1243
1244 __put_user(tz->tz_minuteswest, &target_tz->tz_minuteswest);
1245 __put_user(tz->tz_dsttime, &target_tz->tz_dsttime);
1246
1247 unlock_user_struct(target_tz, target_tz_addr, 1);
1248
1249 return 0;
1250}
1251#endif
1252
1253#if defined(TARGET_NR_settimeofday)
1254static inline abi_long copy_from_user_timezone(struct timezone *tz,
1255 abi_ulong target_tz_addr)
1256{
1257 struct target_timezone *target_tz;
1258
1259 if (!lock_user_struct(VERIFY_READ, target_tz, target_tz_addr, 1)) {
1260 return -TARGET_EFAULT;
1261 }
1262
1263 __get_user(tz->tz_minuteswest, &target_tz->tz_minuteswest);
1264 __get_user(tz->tz_dsttime, &target_tz->tz_dsttime);
1265
1266 unlock_user_struct(target_tz, target_tz_addr, 0);
1267
1268 return 0;
1269}
1270#endif
1271
1272#if defined(TARGET_NR_mq_open) && defined(__NR_mq_open)
1273#include <mqueue.h>
1274
1275static inline abi_long copy_from_user_mq_attr(struct mq_attr *attr,
1276 abi_ulong target_mq_attr_addr)
1277{
1278 struct target_mq_attr *target_mq_attr;
1279
1280 if (!lock_user_struct(VERIFY_READ, target_mq_attr,
1281 target_mq_attr_addr, 1))
1282 return -TARGET_EFAULT;
1283
1284 __get_user(attr->mq_flags, &target_mq_attr->mq_flags);
1285 __get_user(attr->mq_maxmsg, &target_mq_attr->mq_maxmsg);
1286 __get_user(attr->mq_msgsize, &target_mq_attr->mq_msgsize);
1287 __get_user(attr->mq_curmsgs, &target_mq_attr->mq_curmsgs);
1288
1289 unlock_user_struct(target_mq_attr, target_mq_attr_addr, 0);
1290
1291 return 0;
1292}
1293
1294static inline abi_long copy_to_user_mq_attr(abi_ulong target_mq_attr_addr,
1295 const struct mq_attr *attr)
1296{
1297 struct target_mq_attr *target_mq_attr;
1298
1299 if (!lock_user_struct(VERIFY_WRITE, target_mq_attr,
1300 target_mq_attr_addr, 0))
1301 return -TARGET_EFAULT;
1302
1303 __put_user(attr->mq_flags, &target_mq_attr->mq_flags);
1304 __put_user(attr->mq_maxmsg, &target_mq_attr->mq_maxmsg);
1305 __put_user(attr->mq_msgsize, &target_mq_attr->mq_msgsize);
1306 __put_user(attr->mq_curmsgs, &target_mq_attr->mq_curmsgs);
1307
1308 unlock_user_struct(target_mq_attr, target_mq_attr_addr, 1);
1309
1310 return 0;
1311}
1312#endif
1313
1314#if defined(TARGET_NR_select) || defined(TARGET_NR__newselect)
1315
1316static abi_long do_select(int n,
1317 abi_ulong rfd_addr, abi_ulong wfd_addr,
1318 abi_ulong efd_addr, abi_ulong target_tv_addr)
1319{
1320 fd_set rfds, wfds, efds;
1321 fd_set *rfds_ptr, *wfds_ptr, *efds_ptr;
1322 struct timeval tv;
1323 struct timespec ts, *ts_ptr;
1324 abi_long ret;
1325
1326 ret = copy_from_user_fdset_ptr(&rfds, &rfds_ptr, rfd_addr, n);
1327 if (ret) {
1328 return ret;
1329 }
1330 ret = copy_from_user_fdset_ptr(&wfds, &wfds_ptr, wfd_addr, n);
1331 if (ret) {
1332 return ret;
1333 }
1334 ret = copy_from_user_fdset_ptr(&efds, &efds_ptr, efd_addr, n);
1335 if (ret) {
1336 return ret;
1337 }
1338
1339 if (target_tv_addr) {
1340 if (copy_from_user_timeval(&tv, target_tv_addr))
1341 return -TARGET_EFAULT;
1342 ts.tv_sec = tv.tv_sec;
1343 ts.tv_nsec = tv.tv_usec * 1000;
1344 ts_ptr = &ts;
1345 } else {
1346 ts_ptr = NULL;
1347 }
1348
1349 ret = get_errno(safe_pselect6(n, rfds_ptr, wfds_ptr, efds_ptr,
1350 ts_ptr, NULL));
1351
1352 if (!is_error(ret)) {
1353 if (rfd_addr && copy_to_user_fdset(rfd_addr, &rfds, n))
1354 return -TARGET_EFAULT;
1355 if (wfd_addr && copy_to_user_fdset(wfd_addr, &wfds, n))
1356 return -TARGET_EFAULT;
1357 if (efd_addr && copy_to_user_fdset(efd_addr, &efds, n))
1358 return -TARGET_EFAULT;
1359
1360 if (target_tv_addr) {
1361 tv.tv_sec = ts.tv_sec;
1362 tv.tv_usec = ts.tv_nsec / 1000;
1363 if (copy_to_user_timeval(target_tv_addr, &tv)) {
1364 return -TARGET_EFAULT;
1365 }
1366 }
1367 }
1368
1369 return ret;
1370}
1371
1372#if defined(TARGET_WANT_OLD_SYS_SELECT)
1373static abi_long do_old_select(abi_ulong arg1)
1374{
1375 struct target_sel_arg_struct *sel;
1376 abi_ulong inp, outp, exp, tvp;
1377 long nsel;
1378
1379 if (!lock_user_struct(VERIFY_READ, sel, arg1, 1)) {
1380 return -TARGET_EFAULT;
1381 }
1382
1383 nsel = tswapal(sel->n);
1384 inp = tswapal(sel->inp);
1385 outp = tswapal(sel->outp);
1386 exp = tswapal(sel->exp);
1387 tvp = tswapal(sel->tvp);
1388
1389 unlock_user_struct(sel, arg1, 0);
1390
1391 return do_select(nsel, inp, outp, exp, tvp);
1392}
1393#endif
1394#endif
1395
1396#if defined(TARGET_NR_pselect6) || defined(TARGET_NR_pselect6_time64)
1397static abi_long do_pselect6(abi_long arg1, abi_long arg2, abi_long arg3,
1398 abi_long arg4, abi_long arg5, abi_long arg6,
1399 bool time64)
1400{
1401 abi_long rfd_addr, wfd_addr, efd_addr, n, ts_addr;
1402 fd_set rfds, wfds, efds;
1403 fd_set *rfds_ptr, *wfds_ptr, *efds_ptr;
1404 struct timespec ts, *ts_ptr;
1405 abi_long ret;
1406
1407
1408
1409
1410
1411 struct {
1412 sigset_t *set;
1413 size_t size;
1414 } sig, *sig_ptr;
1415
1416 abi_ulong arg_sigset, arg_sigsize, *arg7;
1417
1418 n = arg1;
1419 rfd_addr = arg2;
1420 wfd_addr = arg3;
1421 efd_addr = arg4;
1422 ts_addr = arg5;
1423
1424 ret = copy_from_user_fdset_ptr(&rfds, &rfds_ptr, rfd_addr, n);
1425 if (ret) {
1426 return ret;
1427 }
1428 ret = copy_from_user_fdset_ptr(&wfds, &wfds_ptr, wfd_addr, n);
1429 if (ret) {
1430 return ret;
1431 }
1432 ret = copy_from_user_fdset_ptr(&efds, &efds_ptr, efd_addr, n);
1433 if (ret) {
1434 return ret;
1435 }
1436
1437
1438
1439
1440
1441 if (ts_addr) {
1442 if (time64) {
1443 if (target_to_host_timespec64(&ts, ts_addr)) {
1444 return -TARGET_EFAULT;
1445 }
1446 } else {
1447 if (target_to_host_timespec(&ts, ts_addr)) {
1448 return -TARGET_EFAULT;
1449 }
1450 }
1451 ts_ptr = &ts;
1452 } else {
1453 ts_ptr = NULL;
1454 }
1455
1456
1457 sig_ptr = NULL;
1458 if (arg6) {
1459 arg7 = lock_user(VERIFY_READ, arg6, sizeof(*arg7) * 2, 1);
1460 if (!arg7) {
1461 return -TARGET_EFAULT;
1462 }
1463 arg_sigset = tswapal(arg7[0]);
1464 arg_sigsize = tswapal(arg7[1]);
1465 unlock_user(arg7, arg6, 0);
1466
1467 if (arg_sigset) {
1468 ret = process_sigsuspend_mask(&sig.set, arg_sigset, arg_sigsize);
1469 if (ret != 0) {
1470 return ret;
1471 }
1472 sig_ptr = &sig;
1473 sig.size = SIGSET_T_SIZE;
1474 }
1475 }
1476
1477 ret = get_errno(safe_pselect6(n, rfds_ptr, wfds_ptr, efds_ptr,
1478 ts_ptr, sig_ptr));
1479
1480 if (sig_ptr) {
1481 finish_sigsuspend_mask(ret);
1482 }
1483
1484 if (!is_error(ret)) {
1485 if (rfd_addr && copy_to_user_fdset(rfd_addr, &rfds, n)) {
1486 return -TARGET_EFAULT;
1487 }
1488 if (wfd_addr && copy_to_user_fdset(wfd_addr, &wfds, n)) {
1489 return -TARGET_EFAULT;
1490 }
1491 if (efd_addr && copy_to_user_fdset(efd_addr, &efds, n)) {
1492 return -TARGET_EFAULT;
1493 }
1494 if (time64) {
1495 if (ts_addr && host_to_target_timespec64(ts_addr, &ts)) {
1496 return -TARGET_EFAULT;
1497 }
1498 } else {
1499 if (ts_addr && host_to_target_timespec(ts_addr, &ts)) {
1500 return -TARGET_EFAULT;
1501 }
1502 }
1503 }
1504 return ret;
1505}
1506#endif
1507
1508#if defined(TARGET_NR_poll) || defined(TARGET_NR_ppoll) || \
1509 defined(TARGET_NR_ppoll_time64)
1510static abi_long do_ppoll(abi_long arg1, abi_long arg2, abi_long arg3,
1511 abi_long arg4, abi_long arg5, bool ppoll, bool time64)
1512{
1513 struct target_pollfd *target_pfd;
1514 unsigned int nfds = arg2;
1515 struct pollfd *pfd;
1516 unsigned int i;
1517 abi_long ret;
1518
1519 pfd = NULL;
1520 target_pfd = NULL;
1521 if (nfds) {
1522 if (nfds > (INT_MAX / sizeof(struct target_pollfd))) {
1523 return -TARGET_EINVAL;
1524 }
1525 target_pfd = lock_user(VERIFY_WRITE, arg1,
1526 sizeof(struct target_pollfd) * nfds, 1);
1527 if (!target_pfd) {
1528 return -TARGET_EFAULT;
1529 }
1530
1531 pfd = alloca(sizeof(struct pollfd) * nfds);
1532 for (i = 0; i < nfds; i++) {
1533 pfd[i].fd = tswap32(target_pfd[i].fd);
1534 pfd[i].events = tswap16(target_pfd[i].events);
1535 }
1536 }
1537 if (ppoll) {
1538 struct timespec _timeout_ts, *timeout_ts = &_timeout_ts;
1539 sigset_t *set = NULL;
1540
1541 if (arg3) {
1542 if (time64) {
1543 if (target_to_host_timespec64(timeout_ts, arg3)) {
1544 unlock_user(target_pfd, arg1, 0);
1545 return -TARGET_EFAULT;
1546 }
1547 } else {
1548 if (target_to_host_timespec(timeout_ts, arg3)) {
1549 unlock_user(target_pfd, arg1, 0);
1550 return -TARGET_EFAULT;
1551 }
1552 }
1553 } else {
1554 timeout_ts = NULL;
1555 }
1556
1557 if (arg4) {
1558 ret = process_sigsuspend_mask(&set, arg4, arg5);
1559 if (ret != 0) {
1560 unlock_user(target_pfd, arg1, 0);
1561 return ret;
1562 }
1563 }
1564
1565 ret = get_errno(safe_ppoll(pfd, nfds, timeout_ts,
1566 set, SIGSET_T_SIZE));
1567
1568 if (set) {
1569 finish_sigsuspend_mask(ret);
1570 }
1571 if (!is_error(ret) && arg3) {
1572 if (time64) {
1573 if (host_to_target_timespec64(arg3, timeout_ts)) {
1574 return -TARGET_EFAULT;
1575 }
1576 } else {
1577 if (host_to_target_timespec(arg3, timeout_ts)) {
1578 return -TARGET_EFAULT;
1579 }
1580 }
1581 }
1582 } else {
1583 struct timespec ts, *pts;
1584
1585 if (arg3 >= 0) {
1586
1587 ts.tv_sec = arg3 / 1000;
1588 ts.tv_nsec = (arg3 % 1000) * 1000000LL;
1589 pts = &ts;
1590 } else {
1591
1592 pts = NULL;
1593 }
1594 ret = get_errno(safe_ppoll(pfd, nfds, pts, NULL, 0));
1595 }
1596
1597 if (!is_error(ret)) {
1598 for (i = 0; i < nfds; i++) {
1599 target_pfd[i].revents = tswap16(pfd[i].revents);
1600 }
1601 }
1602 unlock_user(target_pfd, arg1, sizeof(struct target_pollfd) * nfds);
1603 return ret;
1604}
1605#endif
1606
1607static abi_long do_pipe(CPUArchState *cpu_env, abi_ulong pipedes,
1608 int flags, int is_pipe2)
1609{
1610 int host_pipe[2];
1611 abi_long ret;
1612 ret = pipe2(host_pipe, flags);
1613
1614 if (is_error(ret))
1615 return get_errno(ret);
1616
1617
1618
1619 if (!is_pipe2) {
1620#if defined(TARGET_ALPHA)
1621 cpu_env->ir[IR_A4] = host_pipe[1];
1622 return host_pipe[0];
1623#elif defined(TARGET_MIPS)
1624 cpu_env->active_tc.gpr[3] = host_pipe[1];
1625 return host_pipe[0];
1626#elif defined(TARGET_SH4)
1627 cpu_env->gregs[1] = host_pipe[1];
1628 return host_pipe[0];
1629#elif defined(TARGET_SPARC)
1630 cpu_env->regwptr[1] = host_pipe[1];
1631 return host_pipe[0];
1632#endif
1633 }
1634
1635 if (put_user_s32(host_pipe[0], pipedes)
1636 || put_user_s32(host_pipe[1], pipedes + sizeof(abi_int)))
1637 return -TARGET_EFAULT;
1638 return get_errno(ret);
1639}
1640
1641static inline abi_long target_to_host_ip_mreq(struct ip_mreqn *mreqn,
1642 abi_ulong target_addr,
1643 socklen_t len)
1644{
1645 struct target_ip_mreqn *target_smreqn;
1646
1647 target_smreqn = lock_user(VERIFY_READ, target_addr, len, 1);
1648 if (!target_smreqn)
1649 return -TARGET_EFAULT;
1650 mreqn->imr_multiaddr.s_addr = target_smreqn->imr_multiaddr.s_addr;
1651 mreqn->imr_address.s_addr = target_smreqn->imr_address.s_addr;
1652 if (len == sizeof(struct target_ip_mreqn))
1653 mreqn->imr_ifindex = tswapal(target_smreqn->imr_ifindex);
1654 unlock_user(target_smreqn, target_addr, 0);
1655
1656 return 0;
1657}
1658
1659static inline abi_long target_to_host_sockaddr(int fd, struct sockaddr *addr,
1660 abi_ulong target_addr,
1661 socklen_t len)
1662{
1663 const socklen_t unix_maxlen = sizeof (struct sockaddr_un);
1664 sa_family_t sa_family;
1665 struct target_sockaddr *target_saddr;
1666
1667 if (fd_trans_target_to_host_addr(fd)) {
1668 return fd_trans_target_to_host_addr(fd)(addr, target_addr, len);
1669 }
1670
1671 target_saddr = lock_user(VERIFY_READ, target_addr, len, 1);
1672 if (!target_saddr)
1673 return -TARGET_EFAULT;
1674
1675 sa_family = tswap16(target_saddr->sa_family);
1676
1677
1678
1679
1680
1681
1682
1683
1684
1685 if (sa_family == AF_UNIX) {
1686 if (len < unix_maxlen && len > 0) {
1687 char *cp = (char*)target_saddr;
1688
1689 if ( cp[len-1] && !cp[len] )
1690 len++;
1691 }
1692 if (len > unix_maxlen)
1693 len = unix_maxlen;
1694 }
1695
1696 memcpy(addr, target_saddr, len);
1697 addr->sa_family = sa_family;
1698 if (sa_family == AF_NETLINK) {
1699 struct sockaddr_nl *nladdr;
1700
1701 nladdr = (struct sockaddr_nl *)addr;
1702 nladdr->nl_pid = tswap32(nladdr->nl_pid);
1703 nladdr->nl_groups = tswap32(nladdr->nl_groups);
1704 } else if (sa_family == AF_PACKET) {
1705 struct target_sockaddr_ll *lladdr;
1706
1707 lladdr = (struct target_sockaddr_ll *)addr;
1708 lladdr->sll_ifindex = tswap32(lladdr->sll_ifindex);
1709 lladdr->sll_hatype = tswap16(lladdr->sll_hatype);
1710 }
1711 unlock_user(target_saddr, target_addr, 0);
1712
1713 return 0;
1714}
1715
1716static inline abi_long host_to_target_sockaddr(abi_ulong target_addr,
1717 struct sockaddr *addr,
1718 socklen_t len)
1719{
1720 struct target_sockaddr *target_saddr;
1721
1722 if (len == 0) {
1723 return 0;
1724 }
1725 assert(addr);
1726
1727 target_saddr = lock_user(VERIFY_WRITE, target_addr, len, 0);
1728 if (!target_saddr)
1729 return -TARGET_EFAULT;
1730 memcpy(target_saddr, addr, len);
1731 if (len >= offsetof(struct target_sockaddr, sa_family) +
1732 sizeof(target_saddr->sa_family)) {
1733 target_saddr->sa_family = tswap16(addr->sa_family);
1734 }
1735 if (addr->sa_family == AF_NETLINK &&
1736 len >= sizeof(struct target_sockaddr_nl)) {
1737 struct target_sockaddr_nl *target_nl =
1738 (struct target_sockaddr_nl *)target_saddr;
1739 target_nl->nl_pid = tswap32(target_nl->nl_pid);
1740 target_nl->nl_groups = tswap32(target_nl->nl_groups);
1741 } else if (addr->sa_family == AF_PACKET) {
1742 struct sockaddr_ll *target_ll = (struct sockaddr_ll *)target_saddr;
1743 target_ll->sll_ifindex = tswap32(target_ll->sll_ifindex);
1744 target_ll->sll_hatype = tswap16(target_ll->sll_hatype);
1745 } else if (addr->sa_family == AF_INET6 &&
1746 len >= sizeof(struct target_sockaddr_in6)) {
1747 struct target_sockaddr_in6 *target_in6 =
1748 (struct target_sockaddr_in6 *)target_saddr;
1749 target_in6->sin6_scope_id = tswap16(target_in6->sin6_scope_id);
1750 }
1751 unlock_user(target_saddr, target_addr, len);
1752
1753 return 0;
1754}
1755
1756static inline abi_long target_to_host_cmsg(struct msghdr *msgh,
1757 struct target_msghdr *target_msgh)
1758{
1759 struct cmsghdr *cmsg = CMSG_FIRSTHDR(msgh);
1760 abi_long msg_controllen;
1761 abi_ulong target_cmsg_addr;
1762 struct target_cmsghdr *target_cmsg, *target_cmsg_start;
1763 socklen_t space = 0;
1764
1765 msg_controllen = tswapal(target_msgh->msg_controllen);
1766 if (msg_controllen < sizeof (struct target_cmsghdr))
1767 goto the_end;
1768 target_cmsg_addr = tswapal(target_msgh->msg_control);
1769 target_cmsg = lock_user(VERIFY_READ, target_cmsg_addr, msg_controllen, 1);
1770 target_cmsg_start = target_cmsg;
1771 if (!target_cmsg)
1772 return -TARGET_EFAULT;
1773
1774 while (cmsg && target_cmsg) {
1775 void *data = CMSG_DATA(cmsg);
1776 void *target_data = TARGET_CMSG_DATA(target_cmsg);
1777
1778 int len = tswapal(target_cmsg->cmsg_len)
1779 - sizeof(struct target_cmsghdr);
1780
1781 space += CMSG_SPACE(len);
1782 if (space > msgh->msg_controllen) {
1783 space -= CMSG_SPACE(len);
1784
1785
1786
1787
1788
1789
1790
1791
1792
1793 qemu_log_mask(LOG_UNIMP,
1794 ("Unsupported ancillary data %d/%d: "
1795 "unhandled msg size\n"),
1796 tswap32(target_cmsg->cmsg_level),
1797 tswap32(target_cmsg->cmsg_type));
1798 break;
1799 }
1800
1801 if (tswap32(target_cmsg->cmsg_level) == TARGET_SOL_SOCKET) {
1802 cmsg->cmsg_level = SOL_SOCKET;
1803 } else {
1804 cmsg->cmsg_level = tswap32(target_cmsg->cmsg_level);
1805 }
1806 cmsg->cmsg_type = tswap32(target_cmsg->cmsg_type);
1807 cmsg->cmsg_len = CMSG_LEN(len);
1808
1809 if (cmsg->cmsg_level == SOL_SOCKET && cmsg->cmsg_type == SCM_RIGHTS) {
1810 int *fd = (int *)data;
1811 int *target_fd = (int *)target_data;
1812 int i, numfds = len / sizeof(int);
1813
1814 for (i = 0; i < numfds; i++) {
1815 __get_user(fd[i], target_fd + i);
1816 }
1817 } else if (cmsg->cmsg_level == SOL_SOCKET
1818 && cmsg->cmsg_type == SCM_CREDENTIALS) {
1819 struct ucred *cred = (struct ucred *)data;
1820 struct target_ucred *target_cred =
1821 (struct target_ucred *)target_data;
1822
1823 __get_user(cred->pid, &target_cred->pid);
1824 __get_user(cred->uid, &target_cred->uid);
1825 __get_user(cred->gid, &target_cred->gid);
1826 } else {
1827 qemu_log_mask(LOG_UNIMP, "Unsupported ancillary data: %d/%d\n",
1828 cmsg->cmsg_level, cmsg->cmsg_type);
1829 memcpy(data, target_data, len);
1830 }
1831
1832 cmsg = CMSG_NXTHDR(msgh, cmsg);
1833 target_cmsg = TARGET_CMSG_NXTHDR(target_msgh, target_cmsg,
1834 target_cmsg_start);
1835 }
1836 unlock_user(target_cmsg, target_cmsg_addr, 0);
1837 the_end:
1838 msgh->msg_controllen = space;
1839 return 0;
1840}
1841
1842static inline abi_long host_to_target_cmsg(struct target_msghdr *target_msgh,
1843 struct msghdr *msgh)
1844{
1845 struct cmsghdr *cmsg = CMSG_FIRSTHDR(msgh);
1846 abi_long msg_controllen;
1847 abi_ulong target_cmsg_addr;
1848 struct target_cmsghdr *target_cmsg, *target_cmsg_start;
1849 socklen_t space = 0;
1850
1851 msg_controllen = tswapal(target_msgh->msg_controllen);
1852 if (msg_controllen < sizeof (struct target_cmsghdr))
1853 goto the_end;
1854 target_cmsg_addr = tswapal(target_msgh->msg_control);
1855 target_cmsg = lock_user(VERIFY_WRITE, target_cmsg_addr, msg_controllen, 0);
1856 target_cmsg_start = target_cmsg;
1857 if (!target_cmsg)
1858 return -TARGET_EFAULT;
1859
1860 while (cmsg && target_cmsg) {
1861 void *data = CMSG_DATA(cmsg);
1862 void *target_data = TARGET_CMSG_DATA(target_cmsg);
1863
1864 int len = cmsg->cmsg_len - sizeof(struct cmsghdr);
1865 int tgt_len, tgt_space;
1866
1867
1868
1869
1870
1871
1872
1873 if (msg_controllen < sizeof(struct target_cmsghdr)) {
1874 target_msgh->msg_flags |= tswap32(MSG_CTRUNC);
1875 break;
1876 }
1877
1878 if (cmsg->cmsg_level == SOL_SOCKET) {
1879 target_cmsg->cmsg_level = tswap32(TARGET_SOL_SOCKET);
1880 } else {
1881 target_cmsg->cmsg_level = tswap32(cmsg->cmsg_level);
1882 }
1883 target_cmsg->cmsg_type = tswap32(cmsg->cmsg_type);
1884
1885
1886
1887
1888 tgt_len = len;
1889 switch (cmsg->cmsg_level) {
1890 case SOL_SOCKET:
1891 switch (cmsg->cmsg_type) {
1892 case SO_TIMESTAMP:
1893 tgt_len = sizeof(struct target_timeval);
1894 break;
1895 default:
1896 break;
1897 }
1898 break;
1899 default:
1900 break;
1901 }
1902
1903 if (msg_controllen < TARGET_CMSG_LEN(tgt_len)) {
1904 target_msgh->msg_flags |= tswap32(MSG_CTRUNC);
1905 tgt_len = msg_controllen - sizeof(struct target_cmsghdr);
1906 }
1907
1908
1909
1910
1911
1912
1913 switch (cmsg->cmsg_level) {
1914 case SOL_SOCKET:
1915 switch (cmsg->cmsg_type) {
1916 case SCM_RIGHTS:
1917 {
1918 int *fd = (int *)data;
1919 int *target_fd = (int *)target_data;
1920 int i, numfds = tgt_len / sizeof(int);
1921
1922 for (i = 0; i < numfds; i++) {
1923 __put_user(fd[i], target_fd + i);
1924 }
1925 break;
1926 }
1927 case SO_TIMESTAMP:
1928 {
1929 struct timeval *tv = (struct timeval *)data;
1930 struct target_timeval *target_tv =
1931 (struct target_timeval *)target_data;
1932
1933 if (len != sizeof(struct timeval) ||
1934 tgt_len != sizeof(struct target_timeval)) {
1935 goto unimplemented;
1936 }
1937
1938
1939 __put_user(tv->tv_sec, &target_tv->tv_sec);
1940 __put_user(tv->tv_usec, &target_tv->tv_usec);
1941 break;
1942 }
1943 case SCM_CREDENTIALS:
1944 {
1945 struct ucred *cred = (struct ucred *)data;
1946 struct target_ucred *target_cred =
1947 (struct target_ucred *)target_data;
1948
1949 __put_user(cred->pid, &target_cred->pid);
1950 __put_user(cred->uid, &target_cred->uid);
1951 __put_user(cred->gid, &target_cred->gid);
1952 break;
1953 }
1954 default:
1955 goto unimplemented;
1956 }
1957 break;
1958
1959 case SOL_IP:
1960 switch (cmsg->cmsg_type) {
1961 case IP_TTL:
1962 {
1963 uint32_t *v = (uint32_t *)data;
1964 uint32_t *t_int = (uint32_t *)target_data;
1965
1966 if (len != sizeof(uint32_t) ||
1967 tgt_len != sizeof(uint32_t)) {
1968 goto unimplemented;
1969 }
1970 __put_user(*v, t_int);
1971 break;
1972 }
1973 case IP_RECVERR:
1974 {
1975 struct errhdr_t {
1976 struct sock_extended_err ee;
1977 struct sockaddr_in offender;
1978 };
1979 struct errhdr_t *errh = (struct errhdr_t *)data;
1980 struct errhdr_t *target_errh =
1981 (struct errhdr_t *)target_data;
1982
1983 if (len != sizeof(struct errhdr_t) ||
1984 tgt_len != sizeof(struct errhdr_t)) {
1985 goto unimplemented;
1986 }
1987 __put_user(errh->ee.ee_errno, &target_errh->ee.ee_errno);
1988 __put_user(errh->ee.ee_origin, &target_errh->ee.ee_origin);
1989 __put_user(errh->ee.ee_type, &target_errh->ee.ee_type);
1990 __put_user(errh->ee.ee_code, &target_errh->ee.ee_code);
1991 __put_user(errh->ee.ee_pad, &target_errh->ee.ee_pad);
1992 __put_user(errh->ee.ee_info, &target_errh->ee.ee_info);
1993 __put_user(errh->ee.ee_data, &target_errh->ee.ee_data);
1994 host_to_target_sockaddr((unsigned long) &target_errh->offender,
1995 (void *) &errh->offender, sizeof(errh->offender));
1996 break;
1997 }
1998 default:
1999 goto unimplemented;
2000 }
2001 break;
2002
2003 case SOL_IPV6:
2004 switch (cmsg->cmsg_type) {
2005 case IPV6_HOPLIMIT:
2006 {
2007 uint32_t *v = (uint32_t *)data;
2008 uint32_t *t_int = (uint32_t *)target_data;
2009
2010 if (len != sizeof(uint32_t) ||
2011 tgt_len != sizeof(uint32_t)) {
2012 goto unimplemented;
2013 }
2014 __put_user(*v, t_int);
2015 break;
2016 }
2017 case IPV6_RECVERR:
2018 {
2019 struct errhdr6_t {
2020 struct sock_extended_err ee;
2021 struct sockaddr_in6 offender;
2022 };
2023 struct errhdr6_t *errh = (struct errhdr6_t *)data;
2024 struct errhdr6_t *target_errh =
2025 (struct errhdr6_t *)target_data;
2026
2027 if (len != sizeof(struct errhdr6_t) ||
2028 tgt_len != sizeof(struct errhdr6_t)) {
2029 goto unimplemented;
2030 }
2031 __put_user(errh->ee.ee_errno, &target_errh->ee.ee_errno);
2032 __put_user(errh->ee.ee_origin, &target_errh->ee.ee_origin);
2033 __put_user(errh->ee.ee_type, &target_errh->ee.ee_type);
2034 __put_user(errh->ee.ee_code, &target_errh->ee.ee_code);
2035 __put_user(errh->ee.ee_pad, &target_errh->ee.ee_pad);
2036 __put_user(errh->ee.ee_info, &target_errh->ee.ee_info);
2037 __put_user(errh->ee.ee_data, &target_errh->ee.ee_data);
2038 host_to_target_sockaddr((unsigned long) &target_errh->offender,
2039 (void *) &errh->offender, sizeof(errh->offender));
2040 break;
2041 }
2042 default:
2043 goto unimplemented;
2044 }
2045 break;
2046
2047 default:
2048 unimplemented:
2049 qemu_log_mask(LOG_UNIMP, "Unsupported ancillary data: %d/%d\n",
2050 cmsg->cmsg_level, cmsg->cmsg_type);
2051 memcpy(target_data, data, MIN(len, tgt_len));
2052 if (tgt_len > len) {
2053 memset(target_data + len, 0, tgt_len - len);
2054 }
2055 }
2056
2057 target_cmsg->cmsg_len = tswapal(TARGET_CMSG_LEN(tgt_len));
2058 tgt_space = TARGET_CMSG_SPACE(tgt_len);
2059 if (msg_controllen < tgt_space) {
2060 tgt_space = msg_controllen;
2061 }
2062 msg_controllen -= tgt_space;
2063 space += tgt_space;
2064 cmsg = CMSG_NXTHDR(msgh, cmsg);
2065 target_cmsg = TARGET_CMSG_NXTHDR(target_msgh, target_cmsg,
2066 target_cmsg_start);
2067 }
2068 unlock_user(target_cmsg, target_cmsg_addr, space);
2069 the_end:
2070 target_msgh->msg_controllen = tswapal(space);
2071 return 0;
2072}
2073
2074
2075static abi_long do_setsockopt(int sockfd, int level, int optname,
2076 abi_ulong optval_addr, socklen_t optlen)
2077{
2078 abi_long ret;
2079 int val;
2080 struct ip_mreqn *ip_mreq;
2081 struct ip_mreq_source *ip_mreq_source;
2082
2083 switch(level) {
2084 case SOL_TCP:
2085 case SOL_UDP:
2086
2087 if (optlen < sizeof(uint32_t))
2088 return -TARGET_EINVAL;
2089
2090 if (get_user_u32(val, optval_addr))
2091 return -TARGET_EFAULT;
2092 ret = get_errno(setsockopt(sockfd, level, optname, &val, sizeof(val)));
2093 break;
2094 case SOL_IP:
2095 switch(optname) {
2096 case IP_TOS:
2097 case IP_TTL:
2098 case IP_HDRINCL:
2099 case IP_ROUTER_ALERT:
2100 case IP_RECVOPTS:
2101 case IP_RETOPTS:
2102 case IP_PKTINFO:
2103 case IP_MTU_DISCOVER:
2104 case IP_RECVERR:
2105 case IP_RECVTTL:
2106 case IP_RECVTOS:
2107#ifdef IP_FREEBIND
2108 case IP_FREEBIND:
2109#endif
2110 case IP_MULTICAST_TTL:
2111 case IP_MULTICAST_LOOP:
2112 val = 0;
2113 if (optlen >= sizeof(uint32_t)) {
2114 if (get_user_u32(val, optval_addr))
2115 return -TARGET_EFAULT;
2116 } else if (optlen >= 1) {
2117 if (get_user_u8(val, optval_addr))
2118 return -TARGET_EFAULT;
2119 }
2120 ret = get_errno(setsockopt(sockfd, level, optname, &val, sizeof(val)));
2121 break;
2122 case IP_ADD_MEMBERSHIP:
2123 case IP_DROP_MEMBERSHIP:
2124 if (optlen < sizeof (struct target_ip_mreq) ||
2125 optlen > sizeof (struct target_ip_mreqn))
2126 return -TARGET_EINVAL;
2127
2128 ip_mreq = (struct ip_mreqn *) alloca(optlen);
2129 target_to_host_ip_mreq(ip_mreq, optval_addr, optlen);
2130 ret = get_errno(setsockopt(sockfd, level, optname, ip_mreq, optlen));
2131 break;
2132
2133 case IP_BLOCK_SOURCE:
2134 case IP_UNBLOCK_SOURCE:
2135 case IP_ADD_SOURCE_MEMBERSHIP:
2136 case IP_DROP_SOURCE_MEMBERSHIP:
2137 if (optlen != sizeof (struct target_ip_mreq_source))
2138 return -TARGET_EINVAL;
2139
2140 ip_mreq_source = lock_user(VERIFY_READ, optval_addr, optlen, 1);
2141 if (!ip_mreq_source) {
2142 return -TARGET_EFAULT;
2143 }
2144 ret = get_errno(setsockopt(sockfd, level, optname, ip_mreq_source, optlen));
2145 unlock_user (ip_mreq_source, optval_addr, 0);
2146 break;
2147
2148 default:
2149 goto unimplemented;
2150 }
2151 break;
2152 case SOL_IPV6:
2153 switch (optname) {
2154 case IPV6_MTU_DISCOVER:
2155 case IPV6_MTU:
2156 case IPV6_V6ONLY:
2157 case IPV6_RECVPKTINFO:
2158 case IPV6_UNICAST_HOPS:
2159 case IPV6_MULTICAST_HOPS:
2160 case IPV6_MULTICAST_LOOP:
2161 case IPV6_RECVERR:
2162 case IPV6_RECVHOPLIMIT:
2163 case IPV6_2292HOPLIMIT:
2164 case IPV6_CHECKSUM:
2165 case IPV6_ADDRFORM:
2166 case IPV6_2292PKTINFO:
2167 case IPV6_RECVTCLASS:
2168 case IPV6_RECVRTHDR:
2169 case IPV6_2292RTHDR:
2170 case IPV6_RECVHOPOPTS:
2171 case IPV6_2292HOPOPTS:
2172 case IPV6_RECVDSTOPTS:
2173 case IPV6_2292DSTOPTS:
2174 case IPV6_TCLASS:
2175 case IPV6_ADDR_PREFERENCES:
2176#ifdef IPV6_RECVPATHMTU
2177 case IPV6_RECVPATHMTU:
2178#endif
2179#ifdef IPV6_TRANSPARENT
2180 case IPV6_TRANSPARENT:
2181#endif
2182#ifdef IPV6_FREEBIND
2183 case IPV6_FREEBIND:
2184#endif
2185#ifdef IPV6_RECVORIGDSTADDR
2186 case IPV6_RECVORIGDSTADDR:
2187#endif
2188 val = 0;
2189 if (optlen < sizeof(uint32_t)) {
2190 return -TARGET_EINVAL;
2191 }
2192 if (get_user_u32(val, optval_addr)) {
2193 return -TARGET_EFAULT;
2194 }
2195 ret = get_errno(setsockopt(sockfd, level, optname,
2196 &val, sizeof(val)));
2197 break;
2198 case IPV6_PKTINFO:
2199 {
2200 struct in6_pktinfo pki;
2201
2202 if (optlen < sizeof(pki)) {
2203 return -TARGET_EINVAL;
2204 }
2205
2206 if (copy_from_user(&pki, optval_addr, sizeof(pki))) {
2207 return -TARGET_EFAULT;
2208 }
2209
2210 pki.ipi6_ifindex = tswap32(pki.ipi6_ifindex);
2211
2212 ret = get_errno(setsockopt(sockfd, level, optname,
2213 &pki, sizeof(pki)));
2214 break;
2215 }
2216 case IPV6_ADD_MEMBERSHIP:
2217 case IPV6_DROP_MEMBERSHIP:
2218 {
2219 struct ipv6_mreq ipv6mreq;
2220
2221 if (optlen < sizeof(ipv6mreq)) {
2222 return -TARGET_EINVAL;
2223 }
2224
2225 if (copy_from_user(&ipv6mreq, optval_addr, sizeof(ipv6mreq))) {
2226 return -TARGET_EFAULT;
2227 }
2228
2229 ipv6mreq.ipv6mr_interface = tswap32(ipv6mreq.ipv6mr_interface);
2230
2231 ret = get_errno(setsockopt(sockfd, level, optname,
2232 &ipv6mreq, sizeof(ipv6mreq)));
2233 break;
2234 }
2235 default:
2236 goto unimplemented;
2237 }
2238 break;
2239 case SOL_ICMPV6:
2240 switch (optname) {
2241 case ICMPV6_FILTER:
2242 {
2243 struct icmp6_filter icmp6f;
2244
2245 if (optlen > sizeof(icmp6f)) {
2246 optlen = sizeof(icmp6f);
2247 }
2248
2249 if (copy_from_user(&icmp6f, optval_addr, optlen)) {
2250 return -TARGET_EFAULT;
2251 }
2252
2253 for (val = 0; val < 8; val++) {
2254 icmp6f.data[val] = tswap32(icmp6f.data[val]);
2255 }
2256
2257 ret = get_errno(setsockopt(sockfd, level, optname,
2258 &icmp6f, optlen));
2259 break;
2260 }
2261 default:
2262 goto unimplemented;
2263 }
2264 break;
2265 case SOL_RAW:
2266 switch (optname) {
2267 case ICMP_FILTER:
2268 case IPV6_CHECKSUM:
2269
2270 if (optlen < sizeof(uint32_t)) {
2271 return -TARGET_EINVAL;
2272 }
2273
2274 if (get_user_u32(val, optval_addr)) {
2275 return -TARGET_EFAULT;
2276 }
2277 ret = get_errno(setsockopt(sockfd, level, optname,
2278 &val, sizeof(val)));
2279 break;
2280
2281 default:
2282 goto unimplemented;
2283 }
2284 break;
2285#if defined(SOL_ALG) && defined(ALG_SET_KEY) && defined(ALG_SET_AEAD_AUTHSIZE)
2286 case SOL_ALG:
2287 switch (optname) {
2288 case ALG_SET_KEY:
2289 {
2290 char *alg_key = g_malloc(optlen);
2291
2292 if (!alg_key) {
2293 return -TARGET_ENOMEM;
2294 }
2295 if (copy_from_user(alg_key, optval_addr, optlen)) {
2296 g_free(alg_key);
2297 return -TARGET_EFAULT;
2298 }
2299 ret = get_errno(setsockopt(sockfd, level, optname,
2300 alg_key, optlen));
2301 g_free(alg_key);
2302 break;
2303 }
2304 case ALG_SET_AEAD_AUTHSIZE:
2305 {
2306 ret = get_errno(setsockopt(sockfd, level, optname,
2307 NULL, optlen));
2308 break;
2309 }
2310 default:
2311 goto unimplemented;
2312 }
2313 break;
2314#endif
2315 case TARGET_SOL_SOCKET:
2316 switch (optname) {
2317 case TARGET_SO_RCVTIMEO:
2318 {
2319 struct timeval tv;
2320
2321 optname = SO_RCVTIMEO;
2322
2323set_timeout:
2324 if (optlen != sizeof(struct target_timeval)) {
2325 return -TARGET_EINVAL;
2326 }
2327
2328 if (copy_from_user_timeval(&tv, optval_addr)) {
2329 return -TARGET_EFAULT;
2330 }
2331
2332 ret = get_errno(setsockopt(sockfd, SOL_SOCKET, optname,
2333 &tv, sizeof(tv)));
2334 return ret;
2335 }
2336 case TARGET_SO_SNDTIMEO:
2337 optname = SO_SNDTIMEO;
2338 goto set_timeout;
2339 case TARGET_SO_ATTACH_FILTER:
2340 {
2341 struct target_sock_fprog *tfprog;
2342 struct target_sock_filter *tfilter;
2343 struct sock_fprog fprog;
2344 struct sock_filter *filter;
2345 int i;
2346
2347 if (optlen != sizeof(*tfprog)) {
2348 return -TARGET_EINVAL;
2349 }
2350 if (!lock_user_struct(VERIFY_READ, tfprog, optval_addr, 0)) {
2351 return -TARGET_EFAULT;
2352 }
2353 if (!lock_user_struct(VERIFY_READ, tfilter,
2354 tswapal(tfprog->filter), 0)) {
2355 unlock_user_struct(tfprog, optval_addr, 1);
2356 return -TARGET_EFAULT;
2357 }
2358
2359 fprog.len = tswap16(tfprog->len);
2360 filter = g_try_new(struct sock_filter, fprog.len);
2361 if (filter == NULL) {
2362 unlock_user_struct(tfilter, tfprog->filter, 1);
2363 unlock_user_struct(tfprog, optval_addr, 1);
2364 return -TARGET_ENOMEM;
2365 }
2366 for (i = 0; i < fprog.len; i++) {
2367 filter[i].code = tswap16(tfilter[i].code);
2368 filter[i].jt = tfilter[i].jt;
2369 filter[i].jf = tfilter[i].jf;
2370 filter[i].k = tswap32(tfilter[i].k);
2371 }
2372 fprog.filter = filter;
2373
2374 ret = get_errno(setsockopt(sockfd, SOL_SOCKET,
2375 SO_ATTACH_FILTER, &fprog, sizeof(fprog)));
2376 g_free(filter);
2377
2378 unlock_user_struct(tfilter, tfprog->filter, 1);
2379 unlock_user_struct(tfprog, optval_addr, 1);
2380 return ret;
2381 }
2382 case TARGET_SO_BINDTODEVICE:
2383 {
2384 char *dev_ifname, *addr_ifname;
2385
2386 if (optlen > IFNAMSIZ - 1) {
2387 optlen = IFNAMSIZ - 1;
2388 }
2389 dev_ifname = lock_user(VERIFY_READ, optval_addr, optlen, 1);
2390 if (!dev_ifname) {
2391 return -TARGET_EFAULT;
2392 }
2393 optname = SO_BINDTODEVICE;
2394 addr_ifname = alloca(IFNAMSIZ);
2395 memcpy(addr_ifname, dev_ifname, optlen);
2396 addr_ifname[optlen] = 0;
2397 ret = get_errno(setsockopt(sockfd, SOL_SOCKET, optname,
2398 addr_ifname, optlen));
2399 unlock_user (dev_ifname, optval_addr, 0);
2400 return ret;
2401 }
2402 case TARGET_SO_LINGER:
2403 {
2404 struct linger lg;
2405 struct target_linger *tlg;
2406
2407 if (optlen != sizeof(struct target_linger)) {
2408 return -TARGET_EINVAL;
2409 }
2410 if (!lock_user_struct(VERIFY_READ, tlg, optval_addr, 1)) {
2411 return -TARGET_EFAULT;
2412 }
2413 __get_user(lg.l_onoff, &tlg->l_onoff);
2414 __get_user(lg.l_linger, &tlg->l_linger);
2415 ret = get_errno(setsockopt(sockfd, SOL_SOCKET, SO_LINGER,
2416 &lg, sizeof(lg)));
2417 unlock_user_struct(tlg, optval_addr, 0);
2418 return ret;
2419 }
2420
2421 case TARGET_SO_DEBUG:
2422 optname = SO_DEBUG;
2423 break;
2424 case TARGET_SO_REUSEADDR:
2425 optname = SO_REUSEADDR;
2426 break;
2427#ifdef SO_REUSEPORT
2428 case TARGET_SO_REUSEPORT:
2429 optname = SO_REUSEPORT;
2430 break;
2431#endif
2432 case TARGET_SO_TYPE:
2433 optname = SO_TYPE;
2434 break;
2435 case TARGET_SO_ERROR:
2436 optname = SO_ERROR;
2437 break;
2438 case TARGET_SO_DONTROUTE:
2439 optname = SO_DONTROUTE;
2440 break;
2441 case TARGET_SO_BROADCAST:
2442 optname = SO_BROADCAST;
2443 break;
2444 case TARGET_SO_SNDBUF:
2445 optname = SO_SNDBUF;
2446 break;
2447 case TARGET_SO_SNDBUFFORCE:
2448 optname = SO_SNDBUFFORCE;
2449 break;
2450 case TARGET_SO_RCVBUF:
2451 optname = SO_RCVBUF;
2452 break;
2453 case TARGET_SO_RCVBUFFORCE:
2454 optname = SO_RCVBUFFORCE;
2455 break;
2456 case TARGET_SO_KEEPALIVE:
2457 optname = SO_KEEPALIVE;
2458 break;
2459 case TARGET_SO_OOBINLINE:
2460 optname = SO_OOBINLINE;
2461 break;
2462 case TARGET_SO_NO_CHECK:
2463 optname = SO_NO_CHECK;
2464 break;
2465 case TARGET_SO_PRIORITY:
2466 optname = SO_PRIORITY;
2467 break;
2468#ifdef SO_BSDCOMPAT
2469 case TARGET_SO_BSDCOMPAT:
2470 optname = SO_BSDCOMPAT;
2471 break;
2472#endif
2473 case TARGET_SO_PASSCRED:
2474 optname = SO_PASSCRED;
2475 break;
2476 case TARGET_SO_PASSSEC:
2477 optname = SO_PASSSEC;
2478 break;
2479 case TARGET_SO_TIMESTAMP:
2480 optname = SO_TIMESTAMP;
2481 break;
2482 case TARGET_SO_RCVLOWAT:
2483 optname = SO_RCVLOWAT;
2484 break;
2485 default:
2486 goto unimplemented;
2487 }
2488 if (optlen < sizeof(uint32_t))
2489 return -TARGET_EINVAL;
2490
2491 if (get_user_u32(val, optval_addr))
2492 return -TARGET_EFAULT;
2493 ret = get_errno(setsockopt(sockfd, SOL_SOCKET, optname, &val, sizeof(val)));
2494 break;
2495#ifdef SOL_NETLINK
2496 case SOL_NETLINK:
2497 switch (optname) {
2498 case NETLINK_PKTINFO:
2499 case NETLINK_ADD_MEMBERSHIP:
2500 case NETLINK_DROP_MEMBERSHIP:
2501 case NETLINK_BROADCAST_ERROR:
2502 case NETLINK_NO_ENOBUFS:
2503#if LINUX_VERSION_CODE >= KERNEL_VERSION(4, 2, 0)
2504 case NETLINK_LISTEN_ALL_NSID:
2505 case NETLINK_CAP_ACK:
2506#endif
2507#if LINUX_VERSION_CODE >= KERNEL_VERSION(4, 12, 0)
2508 case NETLINK_EXT_ACK:
2509#endif
2510#if LINUX_VERSION_CODE >= KERNEL_VERSION(4, 20, 0)
2511 case NETLINK_GET_STRICT_CHK:
2512#endif
2513 break;
2514 default:
2515 goto unimplemented;
2516 }
2517 val = 0;
2518 if (optlen < sizeof(uint32_t)) {
2519 return -TARGET_EINVAL;
2520 }
2521 if (get_user_u32(val, optval_addr)) {
2522 return -TARGET_EFAULT;
2523 }
2524 ret = get_errno(setsockopt(sockfd, SOL_NETLINK, optname, &val,
2525 sizeof(val)));
2526 break;
2527#endif
2528 default:
2529 unimplemented:
2530 qemu_log_mask(LOG_UNIMP, "Unsupported setsockopt level=%d optname=%d\n",
2531 level, optname);
2532 ret = -TARGET_ENOPROTOOPT;
2533 }
2534 return ret;
2535}
2536
2537
2538static abi_long do_getsockopt(int sockfd, int level, int optname,
2539 abi_ulong optval_addr, abi_ulong optlen)
2540{
2541 abi_long ret;
2542 int len, val;
2543 socklen_t lv;
2544
2545 switch(level) {
2546 case TARGET_SOL_SOCKET:
2547 level = SOL_SOCKET;
2548 switch (optname) {
2549
2550 case TARGET_SO_PEERNAME:
2551 goto unimplemented;
2552 case TARGET_SO_RCVTIMEO: {
2553 struct timeval tv;
2554 socklen_t tvlen;
2555
2556 optname = SO_RCVTIMEO;
2557
2558get_timeout:
2559 if (get_user_u32(len, optlen)) {
2560 return -TARGET_EFAULT;
2561 }
2562 if (len < 0) {
2563 return -TARGET_EINVAL;
2564 }
2565
2566 tvlen = sizeof(tv);
2567 ret = get_errno(getsockopt(sockfd, level, optname,
2568 &tv, &tvlen));
2569 if (ret < 0) {
2570 return ret;
2571 }
2572 if (len > sizeof(struct target_timeval)) {
2573 len = sizeof(struct target_timeval);
2574 }
2575 if (copy_to_user_timeval(optval_addr, &tv)) {
2576 return -TARGET_EFAULT;
2577 }
2578 if (put_user_u32(len, optlen)) {
2579 return -TARGET_EFAULT;
2580 }
2581 break;
2582 }
2583 case TARGET_SO_SNDTIMEO:
2584 optname = SO_SNDTIMEO;
2585 goto get_timeout;
2586 case TARGET_SO_PEERCRED: {
2587 struct ucred cr;
2588 socklen_t crlen;
2589 struct target_ucred *tcr;
2590
2591 if (get_user_u32(len, optlen)) {
2592 return -TARGET_EFAULT;
2593 }
2594 if (len < 0) {
2595 return -TARGET_EINVAL;
2596 }
2597
2598 crlen = sizeof(cr);
2599 ret = get_errno(getsockopt(sockfd, level, SO_PEERCRED,
2600 &cr, &crlen));
2601 if (ret < 0) {
2602 return ret;
2603 }
2604 if (len > crlen) {
2605 len = crlen;
2606 }
2607 if (!lock_user_struct(VERIFY_WRITE, tcr, optval_addr, 0)) {
2608 return -TARGET_EFAULT;
2609 }
2610 __put_user(cr.pid, &tcr->pid);
2611 __put_user(cr.uid, &tcr->uid);
2612 __put_user(cr.gid, &tcr->gid);
2613 unlock_user_struct(tcr, optval_addr, 1);
2614 if (put_user_u32(len, optlen)) {
2615 return -TARGET_EFAULT;
2616 }
2617 break;
2618 }
2619 case TARGET_SO_PEERSEC: {
2620 char *name;
2621
2622 if (get_user_u32(len, optlen)) {
2623 return -TARGET_EFAULT;
2624 }
2625 if (len < 0) {
2626 return -TARGET_EINVAL;
2627 }
2628 name = lock_user(VERIFY_WRITE, optval_addr, len, 0);
2629 if (!name) {
2630 return -TARGET_EFAULT;
2631 }
2632 lv = len;
2633 ret = get_errno(getsockopt(sockfd, level, SO_PEERSEC,
2634 name, &lv));
2635 if (put_user_u32(lv, optlen)) {
2636 ret = -TARGET_EFAULT;
2637 }
2638 unlock_user(name, optval_addr, lv);
2639 break;
2640 }
2641 case TARGET_SO_LINGER:
2642 {
2643 struct linger lg;
2644 socklen_t lglen;
2645 struct target_linger *tlg;
2646
2647 if (get_user_u32(len, optlen)) {
2648 return -TARGET_EFAULT;
2649 }
2650 if (len < 0) {
2651 return -TARGET_EINVAL;
2652 }
2653
2654 lglen = sizeof(lg);
2655 ret = get_errno(getsockopt(sockfd, level, SO_LINGER,
2656 &lg, &lglen));
2657 if (ret < 0) {
2658 return ret;
2659 }
2660 if (len > lglen) {
2661 len = lglen;
2662 }
2663 if (!lock_user_struct(VERIFY_WRITE, tlg, optval_addr, 0)) {
2664 return -TARGET_EFAULT;
2665 }
2666 __put_user(lg.l_onoff, &tlg->l_onoff);
2667 __put_user(lg.l_linger, &tlg->l_linger);
2668 unlock_user_struct(tlg, optval_addr, 1);
2669 if (put_user_u32(len, optlen)) {
2670 return -TARGET_EFAULT;
2671 }
2672 break;
2673 }
2674
2675 case TARGET_SO_DEBUG:
2676 optname = SO_DEBUG;
2677 goto int_case;
2678 case TARGET_SO_REUSEADDR:
2679 optname = SO_REUSEADDR;
2680 goto int_case;
2681#ifdef SO_REUSEPORT
2682 case TARGET_SO_REUSEPORT:
2683 optname = SO_REUSEPORT;
2684 goto int_case;
2685#endif
2686 case TARGET_SO_TYPE:
2687 optname = SO_TYPE;
2688 goto int_case;
2689 case TARGET_SO_ERROR:
2690 optname = SO_ERROR;
2691 goto int_case;
2692 case TARGET_SO_DONTROUTE:
2693 optname = SO_DONTROUTE;
2694 goto int_case;
2695 case TARGET_SO_BROADCAST:
2696 optname = SO_BROADCAST;
2697 goto int_case;
2698 case TARGET_SO_SNDBUF:
2699 optname = SO_SNDBUF;
2700 goto int_case;
2701 case TARGET_SO_RCVBUF:
2702 optname = SO_RCVBUF;
2703 goto int_case;
2704 case TARGET_SO_KEEPALIVE:
2705 optname = SO_KEEPALIVE;
2706 goto int_case;
2707 case TARGET_SO_OOBINLINE:
2708 optname = SO_OOBINLINE;
2709 goto int_case;
2710 case TARGET_SO_NO_CHECK:
2711 optname = SO_NO_CHECK;
2712 goto int_case;
2713 case TARGET_SO_PRIORITY:
2714 optname = SO_PRIORITY;
2715 goto int_case;
2716#ifdef SO_BSDCOMPAT
2717 case TARGET_SO_BSDCOMPAT:
2718 optname = SO_BSDCOMPAT;
2719 goto int_case;
2720#endif
2721 case TARGET_SO_PASSCRED:
2722 optname = SO_PASSCRED;
2723 goto int_case;
2724 case TARGET_SO_TIMESTAMP:
2725 optname = SO_TIMESTAMP;
2726 goto int_case;
2727 case TARGET_SO_RCVLOWAT:
2728 optname = SO_RCVLOWAT;
2729 goto int_case;
2730 case TARGET_SO_ACCEPTCONN:
2731 optname = SO_ACCEPTCONN;
2732 goto int_case;
2733 case TARGET_SO_PROTOCOL:
2734 optname = SO_PROTOCOL;
2735 goto int_case;
2736 case TARGET_SO_DOMAIN:
2737 optname = SO_DOMAIN;
2738 goto int_case;
2739 default:
2740 goto int_case;
2741 }
2742 break;
2743 case SOL_TCP:
2744 case SOL_UDP:
2745
2746 int_case:
2747 if (get_user_u32(len, optlen))
2748 return -TARGET_EFAULT;
2749 if (len < 0)
2750 return -TARGET_EINVAL;
2751 lv = sizeof(lv);
2752 ret = get_errno(getsockopt(sockfd, level, optname, &val, &lv));
2753 if (ret < 0)
2754 return ret;
2755 if (optname == SO_TYPE) {
2756 val = host_to_target_sock_type(val);
2757 }
2758 if (len > lv)
2759 len = lv;
2760 if (len == 4) {
2761 if (put_user_u32(val, optval_addr))
2762 return -TARGET_EFAULT;
2763 } else {
2764 if (put_user_u8(val, optval_addr))
2765 return -TARGET_EFAULT;
2766 }
2767 if (put_user_u32(len, optlen))
2768 return -TARGET_EFAULT;
2769 break;
2770 case SOL_IP:
2771 switch(optname) {
2772 case IP_TOS:
2773 case IP_TTL:
2774 case IP_HDRINCL:
2775 case IP_ROUTER_ALERT:
2776 case IP_RECVOPTS:
2777 case IP_RETOPTS:
2778 case IP_PKTINFO:
2779 case IP_MTU_DISCOVER:
2780 case IP_RECVERR:
2781 case IP_RECVTOS:
2782#ifdef IP_FREEBIND
2783 case IP_FREEBIND:
2784#endif
2785 case IP_MULTICAST_TTL:
2786 case IP_MULTICAST_LOOP:
2787 if (get_user_u32(len, optlen))
2788 return -TARGET_EFAULT;
2789 if (len < 0)
2790 return -TARGET_EINVAL;
2791 lv = sizeof(lv);
2792 ret = get_errno(getsockopt(sockfd, level, optname, &val, &lv));
2793 if (ret < 0)
2794 return ret;
2795 if (len < sizeof(int) && len > 0 && val >= 0 && val < 255) {
2796 len = 1;
2797 if (put_user_u32(len, optlen)
2798 || put_user_u8(val, optval_addr))
2799 return -TARGET_EFAULT;
2800 } else {
2801 if (len > sizeof(int))
2802 len = sizeof(int);
2803 if (put_user_u32(len, optlen)
2804 || put_user_u32(val, optval_addr))
2805 return -TARGET_EFAULT;
2806 }
2807 break;
2808 default:
2809 ret = -TARGET_ENOPROTOOPT;
2810 break;
2811 }
2812 break;
2813 case SOL_IPV6:
2814 switch (optname) {
2815 case IPV6_MTU_DISCOVER:
2816 case IPV6_MTU:
2817 case IPV6_V6ONLY:
2818 case IPV6_RECVPKTINFO:
2819 case IPV6_UNICAST_HOPS:
2820 case IPV6_MULTICAST_HOPS:
2821 case IPV6_MULTICAST_LOOP:
2822 case IPV6_RECVERR:
2823 case IPV6_RECVHOPLIMIT:
2824 case IPV6_2292HOPLIMIT:
2825 case IPV6_CHECKSUM:
2826 case IPV6_ADDRFORM:
2827 case IPV6_2292PKTINFO:
2828 case IPV6_RECVTCLASS:
2829 case IPV6_RECVRTHDR:
2830 case IPV6_2292RTHDR:
2831 case IPV6_RECVHOPOPTS:
2832 case IPV6_2292HOPOPTS:
2833 case IPV6_RECVDSTOPTS:
2834 case IPV6_2292DSTOPTS:
2835 case IPV6_TCLASS:
2836 case IPV6_ADDR_PREFERENCES:
2837#ifdef IPV6_RECVPATHMTU
2838 case IPV6_RECVPATHMTU:
2839#endif
2840#ifdef IPV6_TRANSPARENT
2841 case IPV6_TRANSPARENT:
2842#endif
2843#ifdef IPV6_FREEBIND
2844 case IPV6_FREEBIND:
2845#endif
2846#ifdef IPV6_RECVORIGDSTADDR
2847 case IPV6_RECVORIGDSTADDR:
2848#endif
2849 if (get_user_u32(len, optlen))
2850 return -TARGET_EFAULT;
2851 if (len < 0)
2852 return -TARGET_EINVAL;
2853 lv = sizeof(lv);
2854 ret = get_errno(getsockopt(sockfd, level, optname, &val, &lv));
2855 if (ret < 0)
2856 return ret;
2857 if (len < sizeof(int) && len > 0 && val >= 0 && val < 255) {
2858 len = 1;
2859 if (put_user_u32(len, optlen)
2860 || put_user_u8(val, optval_addr))
2861 return -TARGET_EFAULT;
2862 } else {
2863 if (len > sizeof(int))
2864 len = sizeof(int);
2865 if (put_user_u32(len, optlen)
2866 || put_user_u32(val, optval_addr))
2867 return -TARGET_EFAULT;
2868 }
2869 break;
2870 default:
2871 ret = -TARGET_ENOPROTOOPT;
2872 break;
2873 }
2874 break;
2875#ifdef SOL_NETLINK
2876 case SOL_NETLINK:
2877 switch (optname) {
2878 case NETLINK_PKTINFO:
2879 case NETLINK_BROADCAST_ERROR:
2880 case NETLINK_NO_ENOBUFS:
2881#if LINUX_VERSION_CODE >= KERNEL_VERSION(4, 2, 0)
2882 case NETLINK_LISTEN_ALL_NSID:
2883 case NETLINK_CAP_ACK:
2884#endif
2885#if LINUX_VERSION_CODE >= KERNEL_VERSION(4, 12, 0)
2886 case NETLINK_EXT_ACK:
2887#endif
2888#if LINUX_VERSION_CODE >= KERNEL_VERSION(4, 20, 0)
2889 case NETLINK_GET_STRICT_CHK:
2890#endif
2891 if (get_user_u32(len, optlen)) {
2892 return -TARGET_EFAULT;
2893 }
2894 if (len != sizeof(val)) {
2895 return -TARGET_EINVAL;
2896 }
2897 lv = len;
2898 ret = get_errno(getsockopt(sockfd, level, optname, &val, &lv));
2899 if (ret < 0) {
2900 return ret;
2901 }
2902 if (put_user_u32(lv, optlen)
2903 || put_user_u32(val, optval_addr)) {
2904 return -TARGET_EFAULT;
2905 }
2906 break;
2907#if LINUX_VERSION_CODE >= KERNEL_VERSION(4, 2, 0)
2908 case NETLINK_LIST_MEMBERSHIPS:
2909 {
2910 uint32_t *results;
2911 int i;
2912 if (get_user_u32(len, optlen)) {
2913 return -TARGET_EFAULT;
2914 }
2915 if (len < 0) {
2916 return -TARGET_EINVAL;
2917 }
2918 results = lock_user(VERIFY_WRITE, optval_addr, len, 1);
2919 if (!results && len > 0) {
2920 return -TARGET_EFAULT;
2921 }
2922 lv = len;
2923 ret = get_errno(getsockopt(sockfd, level, optname, results, &lv));
2924 if (ret < 0) {
2925 unlock_user(results, optval_addr, 0);
2926 return ret;
2927 }
2928
2929 for (i = 0; i < (len / sizeof(uint32_t)); i++) {
2930 results[i] = tswap32(results[i]);
2931 }
2932 if (put_user_u32(lv, optlen)) {
2933 return -TARGET_EFAULT;
2934 }
2935 unlock_user(results, optval_addr, 0);
2936 break;
2937 }
2938#endif
2939 default:
2940 goto unimplemented;
2941 }
2942 break;
2943#endif
2944 default:
2945 unimplemented:
2946 qemu_log_mask(LOG_UNIMP,
2947 "getsockopt level=%d optname=%d not yet supported\n",
2948 level, optname);
2949 ret = -TARGET_EOPNOTSUPP;
2950 break;
2951 }
2952 return ret;
2953}
2954
2955
2956
2957
2958
2959static void target_to_host_low_high(abi_ulong tlow,
2960 abi_ulong thigh,
2961 unsigned long *hlow,
2962 unsigned long *hhigh)
2963{
2964 uint64_t off = tlow |
2965 ((unsigned long long)thigh << TARGET_LONG_BITS / 2) <<
2966 TARGET_LONG_BITS / 2;
2967
2968 *hlow = off;
2969 *hhigh = (off >> HOST_LONG_BITS / 2) >> HOST_LONG_BITS / 2;
2970}
2971
2972static struct iovec *lock_iovec(int type, abi_ulong target_addr,
2973 abi_ulong count, int copy)
2974{
2975 struct target_iovec *target_vec;
2976 struct iovec *vec;
2977 abi_ulong total_len, max_len;
2978 int i;
2979 int err = 0;
2980 bool bad_address = false;
2981
2982 if (count == 0) {
2983 errno = 0;
2984 return NULL;
2985 }
2986 if (count > IOV_MAX) {
2987 errno = EINVAL;
2988 return NULL;
2989 }
2990
2991 vec = g_try_new0(struct iovec, count);
2992 if (vec == NULL) {
2993 errno = ENOMEM;
2994 return NULL;
2995 }
2996
2997 target_vec = lock_user(VERIFY_READ, target_addr,
2998 count * sizeof(struct target_iovec), 1);
2999 if (target_vec == NULL) {
3000 err = EFAULT;
3001 goto fail2;
3002 }
3003
3004
3005
3006 max_len = 0x7fffffff & TARGET_PAGE_MASK;
3007 total_len = 0;
3008
3009 for (i = 0; i < count; i++) {
3010 abi_ulong base = tswapal(target_vec[i].iov_base);
3011 abi_long len = tswapal(target_vec[i].iov_len);
3012
3013 if (len < 0) {
3014 err = EINVAL;
3015 goto fail;
3016 } else if (len == 0) {
3017
3018 vec[i].iov_base = 0;
3019 } else {
3020 vec[i].iov_base = lock_user(type, base, len, copy);
3021
3022
3023
3024
3025 if (!vec[i].iov_base) {
3026 if (i == 0) {
3027 err = EFAULT;
3028 goto fail;
3029 } else {
3030 bad_address = true;
3031 }
3032 }
3033 if (bad_address) {
3034 len = 0;
3035 }
3036 if (len > max_len - total_len) {
3037 len = max_len - total_len;
3038 }
3039 }
3040 vec[i].iov_len = len;
3041 total_len += len;
3042 }
3043
3044 unlock_user(target_vec, target_addr, 0);
3045 return vec;
3046
3047 fail:
3048 while (--i >= 0) {
3049 if (tswapal(target_vec[i].iov_len) > 0) {
3050 unlock_user(vec[i].iov_base, tswapal(target_vec[i].iov_base), 0);
3051 }
3052 }
3053 unlock_user(target_vec, target_addr, 0);
3054 fail2:
3055 g_free(vec);
3056 errno = err;
3057 return NULL;
3058}
3059
3060static void unlock_iovec(struct iovec *vec, abi_ulong target_addr,
3061 abi_ulong count, int copy)
3062{
3063 struct target_iovec *target_vec;
3064 int i;
3065
3066 target_vec = lock_user(VERIFY_READ, target_addr,
3067 count * sizeof(struct target_iovec), 1);
3068 if (target_vec) {
3069 for (i = 0; i < count; i++) {
3070 abi_ulong base = tswapal(target_vec[i].iov_base);
3071 abi_long len = tswapal(target_vec[i].iov_len);
3072 if (len < 0) {
3073 break;
3074 }
3075 unlock_user(vec[i].iov_base, base, copy ? vec[i].iov_len : 0);
3076 }
3077 unlock_user(target_vec, target_addr, 0);
3078 }
3079
3080 g_free(vec);
3081}
3082
3083static inline int target_to_host_sock_type(int *type)
3084{
3085 int host_type = 0;
3086 int target_type = *type;
3087
3088 switch (target_type & TARGET_SOCK_TYPE_MASK) {
3089 case TARGET_SOCK_DGRAM:
3090 host_type = SOCK_DGRAM;
3091 break;
3092 case TARGET_SOCK_STREAM:
3093 host_type = SOCK_STREAM;
3094 break;
3095 default:
3096 host_type = target_type & TARGET_SOCK_TYPE_MASK;
3097 break;
3098 }
3099 if (target_type & TARGET_SOCK_CLOEXEC) {
3100#if defined(SOCK_CLOEXEC)
3101 host_type |= SOCK_CLOEXEC;
3102#else
3103 return -TARGET_EINVAL;
3104#endif
3105 }
3106 if (target_type & TARGET_SOCK_NONBLOCK) {
3107#if defined(SOCK_NONBLOCK)
3108 host_type |= SOCK_NONBLOCK;
3109#elif !defined(O_NONBLOCK)
3110 return -TARGET_EINVAL;
3111#endif
3112 }
3113 *type = host_type;
3114 return 0;
3115}
3116
3117
3118static int sock_flags_fixup(int fd, int target_type)
3119{
3120#if !defined(SOCK_NONBLOCK) && defined(O_NONBLOCK)
3121 if (target_type & TARGET_SOCK_NONBLOCK) {
3122 int flags = fcntl(fd, F_GETFL);
3123 if (fcntl(fd, F_SETFL, O_NONBLOCK | flags) == -1) {
3124 close(fd);
3125 return -TARGET_EINVAL;
3126 }
3127 }
3128#endif
3129 return fd;
3130}
3131
3132
3133static abi_long do_socket(int domain, int type, int protocol)
3134{
3135 int target_type = type;
3136 int ret;
3137
3138 ret = target_to_host_sock_type(&type);
3139 if (ret) {
3140 return ret;
3141 }
3142
3143 if (domain == PF_NETLINK && !(
3144#ifdef CONFIG_RTNETLINK
3145 protocol == NETLINK_ROUTE ||
3146#endif
3147 protocol == NETLINK_KOBJECT_UEVENT ||
3148 protocol == NETLINK_AUDIT)) {
3149 return -TARGET_EPROTONOSUPPORT;
3150 }
3151
3152 if (domain == AF_PACKET ||
3153 (domain == AF_INET && type == SOCK_PACKET)) {
3154 protocol = tswap16(protocol);
3155 }
3156
3157 ret = get_errno(socket(domain, type, protocol));
3158 if (ret >= 0) {
3159 ret = sock_flags_fixup(ret, target_type);
3160 if (type == SOCK_PACKET) {
3161
3162
3163
3164 fd_trans_register(ret, &target_packet_trans);
3165 } else if (domain == PF_NETLINK) {
3166 switch (protocol) {
3167#ifdef CONFIG_RTNETLINK
3168 case NETLINK_ROUTE:
3169 fd_trans_register(ret, &target_netlink_route_trans);
3170 break;
3171#endif
3172 case NETLINK_KOBJECT_UEVENT:
3173
3174 break;
3175 case NETLINK_AUDIT:
3176 fd_trans_register(ret, &target_netlink_audit_trans);
3177 break;
3178 default:
3179 g_assert_not_reached();
3180 }
3181 }
3182 }
3183 return ret;
3184}
3185
3186
3187static abi_long do_bind(int sockfd, abi_ulong target_addr,
3188 socklen_t addrlen)
3189{
3190 void *addr;
3191 abi_long ret;
3192
3193 if ((int)addrlen < 0) {
3194 return -TARGET_EINVAL;
3195 }
3196
3197 addr = alloca(addrlen+1);
3198
3199 ret = target_to_host_sockaddr(sockfd, addr, target_addr, addrlen);
3200 if (ret)
3201 return ret;
3202
3203 return get_errno(bind(sockfd, addr, addrlen));
3204}
3205
3206
3207static abi_long do_connect(int sockfd, abi_ulong target_addr,
3208 socklen_t addrlen)
3209{
3210 void *addr;
3211 abi_long ret;
3212
3213 if ((int)addrlen < 0) {
3214 return -TARGET_EINVAL;
3215 }
3216
3217 addr = alloca(addrlen+1);
3218
3219 ret = target_to_host_sockaddr(sockfd, addr, target_addr, addrlen);
3220 if (ret)
3221 return ret;
3222
3223 return get_errno(safe_connect(sockfd, addr, addrlen));
3224}
3225
3226
3227static abi_long do_sendrecvmsg_locked(int fd, struct target_msghdr *msgp,
3228 int flags, int send)
3229{
3230 abi_long ret, len;
3231 struct msghdr msg;
3232 abi_ulong count;
3233 struct iovec *vec;
3234 abi_ulong target_vec;
3235
3236 if (msgp->msg_name) {
3237 msg.msg_namelen = tswap32(msgp->msg_namelen);
3238 msg.msg_name = alloca(msg.msg_namelen+1);
3239 ret = target_to_host_sockaddr(fd, msg.msg_name,
3240 tswapal(msgp->msg_name),
3241 msg.msg_namelen);
3242 if (ret == -TARGET_EFAULT) {
3243
3244
3245
3246
3247
3248 msg.msg_name = (void *)-1;
3249 } else if (ret) {
3250 goto out2;
3251 }
3252 } else {
3253 msg.msg_name = NULL;
3254 msg.msg_namelen = 0;
3255 }
3256 msg.msg_controllen = 2 * tswapal(msgp->msg_controllen);
3257 msg.msg_control = alloca(msg.msg_controllen);
3258 memset(msg.msg_control, 0, msg.msg_controllen);
3259
3260 msg.msg_flags = tswap32(msgp->msg_flags);
3261
3262 count = tswapal(msgp->msg_iovlen);
3263 target_vec = tswapal(msgp->msg_iov);
3264
3265 if (count > IOV_MAX) {
3266
3267
3268
3269 ret = -TARGET_EMSGSIZE;
3270 goto out2;
3271 }
3272
3273 vec = lock_iovec(send ? VERIFY_READ : VERIFY_WRITE,
3274 target_vec, count, send);
3275 if (vec == NULL) {
3276 ret = -host_to_target_errno(errno);
3277 goto out2;
3278 }
3279 msg.msg_iovlen = count;
3280 msg.msg_iov = vec;
3281
3282 if (send) {
3283 if (fd_trans_target_to_host_data(fd)) {
3284 void *host_msg;
3285
3286 host_msg = g_malloc(msg.msg_iov->iov_len);
3287 memcpy(host_msg, msg.msg_iov->iov_base, msg.msg_iov->iov_len);
3288 ret = fd_trans_target_to_host_data(fd)(host_msg,
3289 msg.msg_iov->iov_len);
3290 if (ret >= 0) {
3291 msg.msg_iov->iov_base = host_msg;
3292 ret = get_errno(safe_sendmsg(fd, &msg, flags));
3293 }
3294 g_free(host_msg);
3295 } else {
3296 ret = target_to_host_cmsg(&msg, msgp);
3297 if (ret == 0) {
3298 ret = get_errno(safe_sendmsg(fd, &msg, flags));
3299 }
3300 }
3301 } else {
3302 ret = get_errno(safe_recvmsg(fd, &msg, flags));
3303 if (!is_error(ret)) {
3304 len = ret;
3305 if (fd_trans_host_to_target_data(fd)) {
3306 ret = fd_trans_host_to_target_data(fd)(msg.msg_iov->iov_base,
3307 MIN(msg.msg_iov->iov_len, len));
3308 } else {
3309 ret = host_to_target_cmsg(msgp, &msg);
3310 }
3311 if (!is_error(ret)) {
3312 msgp->msg_namelen = tswap32(msg.msg_namelen);
3313 msgp->msg_flags = tswap32(msg.msg_flags);
3314 if (msg.msg_name != NULL && msg.msg_name != (void *)-1) {
3315 ret = host_to_target_sockaddr(tswapal(msgp->msg_name),
3316 msg.msg_name, msg.msg_namelen);
3317 if (ret) {
3318 goto out;
3319 }
3320 }
3321
3322 ret = len;
3323 }
3324 }
3325 }
3326
3327out:
3328 unlock_iovec(vec, target_vec, count, !send);
3329out2:
3330 return ret;
3331}
3332
3333static abi_long do_sendrecvmsg(int fd, abi_ulong target_msg,
3334 int flags, int send)
3335{
3336 abi_long ret;
3337 struct target_msghdr *msgp;
3338
3339 if (!lock_user_struct(send ? VERIFY_READ : VERIFY_WRITE,
3340 msgp,
3341 target_msg,
3342 send ? 1 : 0)) {
3343 return -TARGET_EFAULT;
3344 }
3345 ret = do_sendrecvmsg_locked(fd, msgp, flags, send);
3346 unlock_user_struct(msgp, target_msg, send ? 0 : 1);
3347 return ret;
3348}
3349
3350
3351
3352
3353#ifndef MSG_WAITFORONE
3354#define MSG_WAITFORONE 0x10000
3355#endif
3356
3357static abi_long do_sendrecvmmsg(int fd, abi_ulong target_msgvec,
3358 unsigned int vlen, unsigned int flags,
3359 int send)
3360{
3361 struct target_mmsghdr *mmsgp;
3362 abi_long ret = 0;
3363 int i;
3364
3365 if (vlen > UIO_MAXIOV) {
3366 vlen = UIO_MAXIOV;
3367 }
3368
3369 mmsgp = lock_user(VERIFY_WRITE, target_msgvec, sizeof(*mmsgp) * vlen, 1);
3370 if (!mmsgp) {
3371 return -TARGET_EFAULT;
3372 }
3373
3374 for (i = 0; i < vlen; i++) {
3375 ret = do_sendrecvmsg_locked(fd, &mmsgp[i].msg_hdr, flags, send);
3376 if (is_error(ret)) {
3377 break;
3378 }
3379 mmsgp[i].msg_len = tswap32(ret);
3380
3381 if (flags & MSG_WAITFORONE) {
3382 flags |= MSG_DONTWAIT;
3383 }
3384 }
3385
3386 unlock_user(mmsgp, target_msgvec, sizeof(*mmsgp) * i);
3387
3388
3389
3390
3391 if (i) {
3392 return i;
3393 }
3394 return ret;
3395}
3396
3397
3398static abi_long do_accept4(int fd, abi_ulong target_addr,
3399 abi_ulong target_addrlen_addr, int flags)
3400{
3401 socklen_t addrlen, ret_addrlen;
3402 void *addr;
3403 abi_long ret;
3404 int host_flags;
3405
3406 host_flags = target_to_host_bitmask(flags, fcntl_flags_tbl);
3407
3408 if (target_addr == 0) {
3409 return get_errno(safe_accept4(fd, NULL, NULL, host_flags));
3410 }
3411
3412
3413 if (get_user_u32(addrlen, target_addrlen_addr))
3414 return -TARGET_EFAULT;
3415
3416 if ((int)addrlen < 0) {
3417 return -TARGET_EINVAL;
3418 }
3419
3420 if (!access_ok(thread_cpu, VERIFY_WRITE, target_addr, addrlen)) {
3421 return -TARGET_EFAULT;
3422 }
3423
3424 addr = alloca(addrlen);
3425
3426 ret_addrlen = addrlen;
3427 ret = get_errno(safe_accept4(fd, addr, &ret_addrlen, host_flags));
3428 if (!is_error(ret)) {
3429 host_to_target_sockaddr(target_addr, addr, MIN(addrlen, ret_addrlen));
3430 if (put_user_u32(ret_addrlen, target_addrlen_addr)) {
3431 ret = -TARGET_EFAULT;
3432 }
3433 }
3434 return ret;
3435}
3436
3437
3438static abi_long do_getpeername(int fd, abi_ulong target_addr,
3439 abi_ulong target_addrlen_addr)
3440{
3441 socklen_t addrlen, ret_addrlen;
3442 void *addr;
3443 abi_long ret;
3444
3445 if (get_user_u32(addrlen, target_addrlen_addr))
3446 return -TARGET_EFAULT;
3447
3448 if ((int)addrlen < 0) {
3449 return -TARGET_EINVAL;
3450 }
3451
3452 if (!access_ok(thread_cpu, VERIFY_WRITE, target_addr, addrlen)) {
3453 return -TARGET_EFAULT;
3454 }
3455
3456 addr = alloca(addrlen);
3457
3458 ret_addrlen = addrlen;
3459 ret = get_errno(getpeername(fd, addr, &ret_addrlen));
3460 if (!is_error(ret)) {
3461 host_to_target_sockaddr(target_addr, addr, MIN(addrlen, ret_addrlen));
3462 if (put_user_u32(ret_addrlen, target_addrlen_addr)) {
3463 ret = -TARGET_EFAULT;
3464 }
3465 }
3466 return ret;
3467}
3468
3469
3470static abi_long do_getsockname(int fd, abi_ulong target_addr,
3471 abi_ulong target_addrlen_addr)
3472{
3473 socklen_t addrlen, ret_addrlen;
3474 void *addr;
3475 abi_long ret;
3476
3477 if (get_user_u32(addrlen, target_addrlen_addr))
3478 return -TARGET_EFAULT;
3479
3480 if ((int)addrlen < 0) {
3481 return -TARGET_EINVAL;
3482 }
3483
3484 if (!access_ok(thread_cpu, VERIFY_WRITE, target_addr, addrlen)) {
3485 return -TARGET_EFAULT;
3486 }
3487
3488 addr = alloca(addrlen);
3489
3490 ret_addrlen = addrlen;
3491 ret = get_errno(getsockname(fd, addr, &ret_addrlen));
3492 if (!is_error(ret)) {
3493 host_to_target_sockaddr(target_addr, addr, MIN(addrlen, ret_addrlen));
3494 if (put_user_u32(ret_addrlen, target_addrlen_addr)) {
3495 ret = -TARGET_EFAULT;
3496 }
3497 }
3498 return ret;
3499}
3500
3501
3502static abi_long do_socketpair(int domain, int type, int protocol,
3503 abi_ulong target_tab_addr)
3504{
3505 int tab[2];
3506 abi_long ret;
3507
3508 target_to_host_sock_type(&type);
3509
3510 ret = get_errno(socketpair(domain, type, protocol, tab));
3511 if (!is_error(ret)) {
3512 if (put_user_s32(tab[0], target_tab_addr)
3513 || put_user_s32(tab[1], target_tab_addr + sizeof(tab[0])))
3514 ret = -TARGET_EFAULT;
3515 }
3516 return ret;
3517}
3518
3519
3520static abi_long do_sendto(int fd, abi_ulong msg, size_t len, int flags,
3521 abi_ulong target_addr, socklen_t addrlen)
3522{
3523 void *addr;
3524 void *host_msg;
3525 void *copy_msg = NULL;
3526 abi_long ret;
3527
3528 if ((int)addrlen < 0) {
3529 return -TARGET_EINVAL;
3530 }
3531
3532 host_msg = lock_user(VERIFY_READ, msg, len, 1);
3533 if (!host_msg)
3534 return -TARGET_EFAULT;
3535 if (fd_trans_target_to_host_data(fd)) {
3536 copy_msg = host_msg;
3537 host_msg = g_malloc(len);
3538 memcpy(host_msg, copy_msg, len);
3539 ret = fd_trans_target_to_host_data(fd)(host_msg, len);
3540 if (ret < 0) {
3541 goto fail;
3542 }
3543 }
3544 if (target_addr) {
3545 addr = alloca(addrlen+1);
3546 ret = target_to_host_sockaddr(fd, addr, target_addr, addrlen);
3547 if (ret) {
3548 goto fail;
3549 }
3550 ret = get_errno(safe_sendto(fd, host_msg, len, flags, addr, addrlen));
3551 } else {
3552 ret = get_errno(safe_sendto(fd, host_msg, len, flags, NULL, 0));
3553 }
3554fail:
3555 if (copy_msg) {
3556 g_free(host_msg);
3557 host_msg = copy_msg;
3558 }
3559 unlock_user(host_msg, msg, 0);
3560 return ret;
3561}
3562
3563
3564static abi_long do_recvfrom(int fd, abi_ulong msg, size_t len, int flags,
3565 abi_ulong target_addr,
3566 abi_ulong target_addrlen)
3567{
3568 socklen_t addrlen, ret_addrlen;
3569 void *addr;
3570 void *host_msg;
3571 abi_long ret;
3572
3573 if (!msg) {
3574 host_msg = NULL;
3575 } else {
3576 host_msg = lock_user(VERIFY_WRITE, msg, len, 0);
3577 if (!host_msg) {
3578 return -TARGET_EFAULT;
3579 }
3580 }
3581 if (target_addr) {
3582 if (get_user_u32(addrlen, target_addrlen)) {
3583 ret = -TARGET_EFAULT;
3584 goto fail;
3585 }
3586 if ((int)addrlen < 0) {
3587 ret = -TARGET_EINVAL;
3588 goto fail;
3589 }
3590 addr = alloca(addrlen);
3591 ret_addrlen = addrlen;
3592 ret = get_errno(safe_recvfrom(fd, host_msg, len, flags,
3593 addr, &ret_addrlen));
3594 } else {
3595 addr = NULL;
3596 addrlen = 0;
3597 ret = get_errno(safe_recvfrom(fd, host_msg, len, flags, NULL, 0));
3598 }
3599 if (!is_error(ret)) {
3600 if (fd_trans_host_to_target_data(fd)) {
3601 abi_long trans;
3602 trans = fd_trans_host_to_target_data(fd)(host_msg, MIN(ret, len));
3603 if (is_error(trans)) {
3604 ret = trans;
3605 goto fail;
3606 }
3607 }
3608 if (target_addr) {
3609 host_to_target_sockaddr(target_addr, addr,
3610 MIN(addrlen, ret_addrlen));
3611 if (put_user_u32(ret_addrlen, target_addrlen)) {
3612 ret = -TARGET_EFAULT;
3613 goto fail;
3614 }
3615 }
3616 unlock_user(host_msg, msg, len);
3617 } else {
3618fail:
3619 unlock_user(host_msg, msg, 0);
3620 }
3621 return ret;
3622}
3623
3624#ifdef TARGET_NR_socketcall
3625
3626static abi_long do_socketcall(int num, abi_ulong vptr)
3627{
3628 static const unsigned nargs[] = {
3629 [TARGET_SYS_SOCKET] = 3,
3630 [TARGET_SYS_BIND] = 3,
3631 [TARGET_SYS_CONNECT] = 3,
3632 [TARGET_SYS_LISTEN] = 2,
3633 [TARGET_SYS_ACCEPT] = 3,
3634 [TARGET_SYS_GETSOCKNAME] = 3,
3635 [TARGET_SYS_GETPEERNAME] = 3,
3636 [TARGET_SYS_SOCKETPAIR] = 4,
3637 [TARGET_SYS_SEND] = 4,
3638 [TARGET_SYS_RECV] = 4,
3639 [TARGET_SYS_SENDTO] = 6,
3640 [TARGET_SYS_RECVFROM] = 6,
3641 [TARGET_SYS_SHUTDOWN] = 2,
3642 [TARGET_SYS_SETSOCKOPT] = 5,
3643 [TARGET_SYS_GETSOCKOPT] = 5,
3644 [TARGET_SYS_SENDMSG] = 3,
3645 [TARGET_SYS_RECVMSG] = 3,
3646 [TARGET_SYS_ACCEPT4] = 4,
3647 [TARGET_SYS_RECVMMSG] = 4,
3648 [TARGET_SYS_SENDMMSG] = 4,
3649 };
3650 abi_long a[6];
3651 unsigned i;
3652
3653
3654
3655 if (num < 1 || num > TARGET_SYS_SENDMMSG) {
3656 return -TARGET_EINVAL;
3657 }
3658
3659 if (nargs[num] > ARRAY_SIZE(a)) {
3660 return -TARGET_EINVAL;
3661 }
3662
3663 for (i = 0; i < nargs[num]; ++i) {
3664 if (get_user_ual(a[i], vptr + i * sizeof(abi_long)) != 0) {
3665 return -TARGET_EFAULT;
3666 }
3667 }
3668
3669 switch (num) {
3670 case TARGET_SYS_SOCKET:
3671 return do_socket(a[0], a[1], a[2]);
3672 case TARGET_SYS_BIND:
3673 return do_bind(a[0], a[1], a[2]);
3674 case TARGET_SYS_CONNECT:
3675 return do_connect(a[0], a[1], a[2]);
3676 case TARGET_SYS_LISTEN:
3677 return get_errno(listen(a[0], a[1]));
3678 case TARGET_SYS_ACCEPT:
3679 return do_accept4(a[0], a[1], a[2], 0);
3680 case TARGET_SYS_GETSOCKNAME:
3681 return do_getsockname(a[0], a[1], a[2]);
3682 case TARGET_SYS_GETPEERNAME:
3683 return do_getpeername(a[0], a[1], a[2]);
3684 case TARGET_SYS_SOCKETPAIR:
3685 return do_socketpair(a[0], a[1], a[2], a[3]);
3686 case TARGET_SYS_SEND:
3687 return do_sendto(a[0], a[1], a[2], a[3], 0, 0);
3688 case TARGET_SYS_RECV:
3689 return do_recvfrom(a[0], a[1], a[2], a[3], 0, 0);
3690 case TARGET_SYS_SENDTO:
3691 return do_sendto(a[0], a[1], a[2], a[3], a[4], a[5]);
3692 case TARGET_SYS_RECVFROM:
3693 return do_recvfrom(a[0], a[1], a[2], a[3], a[4], a[5]);
3694 case TARGET_SYS_SHUTDOWN:
3695 return get_errno(shutdown(a[0], a[1]));
3696 case TARGET_SYS_SETSOCKOPT:
3697 return do_setsockopt(a[0], a[1], a[2], a[3], a[4]);
3698 case TARGET_SYS_GETSOCKOPT:
3699 return do_getsockopt(a[0], a[1], a[2], a[3], a[4]);
3700 case TARGET_SYS_SENDMSG:
3701 return do_sendrecvmsg(a[0], a[1], a[2], 1);
3702 case TARGET_SYS_RECVMSG:
3703 return do_sendrecvmsg(a[0], a[1], a[2], 0);
3704 case TARGET_SYS_ACCEPT4:
3705 return do_accept4(a[0], a[1], a[2], a[3]);
3706 case TARGET_SYS_RECVMMSG:
3707 return do_sendrecvmmsg(a[0], a[1], a[2], a[3], 0);
3708 case TARGET_SYS_SENDMMSG:
3709 return do_sendrecvmmsg(a[0], a[1], a[2], a[3], 1);
3710 default:
3711 qemu_log_mask(LOG_UNIMP, "Unsupported socketcall: %d\n", num);
3712 return -TARGET_EINVAL;
3713 }
3714}
3715#endif
3716
3717#define N_SHM_REGIONS 32
3718
3719static struct shm_region {
3720 abi_ulong start;
3721 abi_ulong size;
3722 bool in_use;
3723} shm_regions[N_SHM_REGIONS];
3724
3725#ifndef TARGET_SEMID64_DS
3726
3727struct target_semid64_ds
3728{
3729 struct target_ipc_perm sem_perm;
3730 abi_ulong sem_otime;
3731#if TARGET_ABI_BITS == 32
3732 abi_ulong __unused1;
3733#endif
3734 abi_ulong sem_ctime;
3735#if TARGET_ABI_BITS == 32
3736 abi_ulong __unused2;
3737#endif
3738 abi_ulong sem_nsems;
3739 abi_ulong __unused3;
3740 abi_ulong __unused4;
3741};
3742#endif
3743
3744static inline abi_long target_to_host_ipc_perm(struct ipc_perm *host_ip,
3745 abi_ulong target_addr)
3746{
3747 struct target_ipc_perm *target_ip;
3748 struct target_semid64_ds *target_sd;
3749
3750 if (!lock_user_struct(VERIFY_READ, target_sd, target_addr, 1))
3751 return -TARGET_EFAULT;
3752 target_ip = &(target_sd->sem_perm);
3753 host_ip->__key = tswap32(target_ip->__key);
3754 host_ip->uid = tswap32(target_ip->uid);
3755 host_ip->gid = tswap32(target_ip->gid);
3756 host_ip->cuid = tswap32(target_ip->cuid);
3757 host_ip->cgid = tswap32(target_ip->cgid);
3758#if defined(TARGET_ALPHA) || defined(TARGET_MIPS) || defined(TARGET_PPC)
3759 host_ip->mode = tswap32(target_ip->mode);
3760#else
3761 host_ip->mode = tswap16(target_ip->mode);
3762#endif
3763#if defined(TARGET_PPC)
3764 host_ip->__seq = tswap32(target_ip->__seq);
3765#else
3766 host_ip->__seq = tswap16(target_ip->__seq);
3767#endif
3768 unlock_user_struct(target_sd, target_addr, 0);
3769 return 0;
3770}
3771
3772static inline abi_long host_to_target_ipc_perm(abi_ulong target_addr,
3773 struct ipc_perm *host_ip)
3774{
3775 struct target_ipc_perm *target_ip;
3776 struct target_semid64_ds *target_sd;
3777
3778 if (!lock_user_struct(VERIFY_WRITE, target_sd, target_addr, 0))
3779 return -TARGET_EFAULT;
3780 target_ip = &(target_sd->sem_perm);
3781 target_ip->__key = tswap32(host_ip->__key);
3782 target_ip->uid = tswap32(host_ip->uid);
3783 target_ip->gid = tswap32(host_ip->gid);
3784 target_ip->cuid = tswap32(host_ip->cuid);
3785 target_ip->cgid = tswap32(host_ip->cgid);
3786#if defined(TARGET_ALPHA) || defined(TARGET_MIPS) || defined(TARGET_PPC)
3787 target_ip->mode = tswap32(host_ip->mode);
3788#else
3789 target_ip->mode = tswap16(host_ip->mode);
3790#endif
3791#if defined(TARGET_PPC)
3792 target_ip->__seq = tswap32(host_ip->__seq);
3793#else
3794 target_ip->__seq = tswap16(host_ip->__seq);
3795#endif
3796 unlock_user_struct(target_sd, target_addr, 1);
3797 return 0;
3798}
3799
3800static inline abi_long target_to_host_semid_ds(struct semid_ds *host_sd,
3801 abi_ulong target_addr)
3802{
3803 struct target_semid64_ds *target_sd;
3804
3805 if (!lock_user_struct(VERIFY_READ, target_sd, target_addr, 1))
3806 return -TARGET_EFAULT;
3807 if (target_to_host_ipc_perm(&(host_sd->sem_perm),target_addr))
3808 return -TARGET_EFAULT;
3809 host_sd->sem_nsems = tswapal(target_sd->sem_nsems);
3810 host_sd->sem_otime = tswapal(target_sd->sem_otime);
3811 host_sd->sem_ctime = tswapal(target_sd->sem_ctime);
3812 unlock_user_struct(target_sd, target_addr, 0);
3813 return 0;
3814}
3815
3816static inline abi_long host_to_target_semid_ds(abi_ulong target_addr,
3817 struct semid_ds *host_sd)
3818{
3819 struct target_semid64_ds *target_sd;
3820
3821 if (!lock_user_struct(VERIFY_WRITE, target_sd, target_addr, 0))
3822 return -TARGET_EFAULT;
3823 if (host_to_target_ipc_perm(target_addr,&(host_sd->sem_perm)))
3824 return -TARGET_EFAULT;
3825 target_sd->sem_nsems = tswapal(host_sd->sem_nsems);
3826 target_sd->sem_otime = tswapal(host_sd->sem_otime);
3827 target_sd->sem_ctime = tswapal(host_sd->sem_ctime);
3828 unlock_user_struct(target_sd, target_addr, 1);
3829 return 0;
3830}
3831
3832struct target_seminfo {
3833 int semmap;
3834 int semmni;
3835 int semmns;
3836 int semmnu;
3837 int semmsl;
3838 int semopm;
3839 int semume;
3840 int semusz;
3841 int semvmx;
3842 int semaem;
3843};
3844
3845static inline abi_long host_to_target_seminfo(abi_ulong target_addr,
3846 struct seminfo *host_seminfo)
3847{
3848 struct target_seminfo *target_seminfo;
3849 if (!lock_user_struct(VERIFY_WRITE, target_seminfo, target_addr, 0))
3850 return -TARGET_EFAULT;
3851 __put_user(host_seminfo->semmap, &target_seminfo->semmap);
3852 __put_user(host_seminfo->semmni, &target_seminfo->semmni);
3853 __put_user(host_seminfo->semmns, &target_seminfo->semmns);
3854 __put_user(host_seminfo->semmnu, &target_seminfo->semmnu);
3855 __put_user(host_seminfo->semmsl, &target_seminfo->semmsl);
3856 __put_user(host_seminfo->semopm, &target_seminfo->semopm);
3857 __put_user(host_seminfo->semume, &target_seminfo->semume);
3858 __put_user(host_seminfo->semusz, &target_seminfo->semusz);
3859 __put_user(host_seminfo->semvmx, &target_seminfo->semvmx);
3860 __put_user(host_seminfo->semaem, &target_seminfo->semaem);
3861 unlock_user_struct(target_seminfo, target_addr, 1);
3862 return 0;
3863}
3864
3865union semun {
3866 int val;
3867 struct semid_ds *buf;
3868 unsigned short *array;
3869 struct seminfo *__buf;
3870};
3871
3872union target_semun {
3873 int val;
3874 abi_ulong buf;
3875 abi_ulong array;
3876 abi_ulong __buf;
3877};
3878
3879static inline abi_long target_to_host_semarray(int semid, unsigned short **host_array,
3880 abi_ulong target_addr)
3881{
3882 int nsems;
3883 unsigned short *array;
3884 union semun semun;
3885 struct semid_ds semid_ds;
3886 int i, ret;
3887
3888 semun.buf = &semid_ds;
3889
3890 ret = semctl(semid, 0, IPC_STAT, semun);
3891 if (ret == -1)
3892 return get_errno(ret);
3893
3894 nsems = semid_ds.sem_nsems;
3895
3896 *host_array = g_try_new(unsigned short, nsems);
3897 if (!*host_array) {
3898 return -TARGET_ENOMEM;
3899 }
3900 array = lock_user(VERIFY_READ, target_addr,
3901 nsems*sizeof(unsigned short), 1);
3902 if (!array) {
3903 g_free(*host_array);
3904 return -TARGET_EFAULT;
3905 }
3906
3907 for(i=0; i<nsems; i++) {
3908 __get_user((*host_array)[i], &array[i]);
3909 }
3910 unlock_user(array, target_addr, 0);
3911
3912 return 0;
3913}
3914
3915static inline abi_long host_to_target_semarray(int semid, abi_ulong target_addr,
3916 unsigned short **host_array)
3917{
3918 int nsems;
3919 unsigned short *array;
3920 union semun semun;
3921 struct semid_ds semid_ds;
3922 int i, ret;
3923
3924 semun.buf = &semid_ds;
3925
3926 ret = semctl(semid, 0, IPC_STAT, semun);
3927 if (ret == -1)
3928 return get_errno(ret);
3929
3930 nsems = semid_ds.sem_nsems;
3931
3932 array = lock_user(VERIFY_WRITE, target_addr,
3933 nsems*sizeof(unsigned short), 0);
3934 if (!array)
3935 return -TARGET_EFAULT;
3936
3937 for(i=0; i<nsems; i++) {
3938 __put_user((*host_array)[i], &array[i]);
3939 }
3940 g_free(*host_array);
3941 unlock_user(array, target_addr, 1);
3942
3943 return 0;
3944}
3945
3946static inline abi_long do_semctl(int semid, int semnum, int cmd,
3947 abi_ulong target_arg)
3948{
3949 union target_semun target_su = { .buf = target_arg };
3950 union semun arg;
3951 struct semid_ds dsarg;
3952 unsigned short *array = NULL;
3953 struct seminfo seminfo;
3954 abi_long ret = -TARGET_EINVAL;
3955 abi_long err;
3956 cmd &= 0xff;
3957
3958 switch( cmd ) {
3959 case GETVAL:
3960 case SETVAL:
3961
3962
3963
3964
3965
3966 if (sizeof(target_su.val) != (sizeof(target_su.buf))) {
3967 target_su.buf = tswapal(target_su.buf);
3968 arg.val = tswap32(target_su.val);
3969 } else {
3970 arg.val = target_su.val;
3971 }
3972 ret = get_errno(semctl(semid, semnum, cmd, arg));
3973 break;
3974 case GETALL:
3975 case SETALL:
3976 err = target_to_host_semarray(semid, &array, target_su.array);
3977 if (err)
3978 return err;
3979 arg.array = array;
3980 ret = get_errno(semctl(semid, semnum, cmd, arg));
3981 err = host_to_target_semarray(semid, target_su.array, &array);
3982 if (err)
3983 return err;
3984 break;
3985 case IPC_STAT:
3986 case IPC_SET:
3987 case SEM_STAT:
3988 err = target_to_host_semid_ds(&dsarg, target_su.buf);
3989 if (err)
3990 return err;
3991 arg.buf = &dsarg;
3992 ret = get_errno(semctl(semid, semnum, cmd, arg));
3993 err = host_to_target_semid_ds(target_su.buf, &dsarg);
3994 if (err)
3995 return err;
3996 break;
3997 case IPC_INFO:
3998 case SEM_INFO:
3999 arg.__buf = &seminfo;
4000 ret = get_errno(semctl(semid, semnum, cmd, arg));
4001 err = host_to_target_seminfo(target_su.__buf, &seminfo);
4002 if (err)
4003 return err;
4004 break;
4005 case IPC_RMID:
4006 case GETPID:
4007 case GETNCNT:
4008 case GETZCNT:
4009 ret = get_errno(semctl(semid, semnum, cmd, NULL));
4010 break;
4011 }
4012
4013 return ret;
4014}
4015
4016struct target_sembuf {
4017 unsigned short sem_num;
4018 short sem_op;
4019 short sem_flg;
4020};
4021
4022static inline abi_long target_to_host_sembuf(struct sembuf *host_sembuf,
4023 abi_ulong target_addr,
4024 unsigned nsops)
4025{
4026 struct target_sembuf *target_sembuf;
4027 int i;
4028
4029 target_sembuf = lock_user(VERIFY_READ, target_addr,
4030 nsops*sizeof(struct target_sembuf), 1);
4031 if (!target_sembuf)
4032 return -TARGET_EFAULT;
4033
4034 for(i=0; i<nsops; i++) {
4035 __get_user(host_sembuf[i].sem_num, &target_sembuf[i].sem_num);
4036 __get_user(host_sembuf[i].sem_op, &target_sembuf[i].sem_op);
4037 __get_user(host_sembuf[i].sem_flg, &target_sembuf[i].sem_flg);
4038 }
4039
4040 unlock_user(target_sembuf, target_addr, 0);
4041
4042 return 0;
4043}
4044
4045#if defined(TARGET_NR_ipc) || defined(TARGET_NR_semop) || \
4046 defined(TARGET_NR_semtimedop) || defined(TARGET_NR_semtimedop_time64)
4047
4048
4049
4050
4051
4052#ifdef __s390x__
4053#define SEMTIMEDOP_IPC_ARGS(__nsops, __sops, __timeout) \
4054 (__nsops), (__timeout), (__sops)
4055#else
4056#define SEMTIMEDOP_IPC_ARGS(__nsops, __sops, __timeout) \
4057 (__nsops), 0, (__sops), (__timeout)
4058#endif
4059
4060static inline abi_long do_semtimedop(int semid,
4061 abi_long ptr,
4062 unsigned nsops,
4063 abi_long timeout, bool time64)
4064{
4065 struct sembuf *sops;
4066 struct timespec ts, *pts = NULL;
4067 abi_long ret;
4068
4069 if (timeout) {
4070 pts = &ts;
4071 if (time64) {
4072 if (target_to_host_timespec64(pts, timeout)) {
4073 return -TARGET_EFAULT;
4074 }
4075 } else {
4076 if (target_to_host_timespec(pts, timeout)) {
4077 return -TARGET_EFAULT;
4078 }
4079 }
4080 }
4081
4082 if (nsops > TARGET_SEMOPM) {
4083 return -TARGET_E2BIG;
4084 }
4085
4086 sops = g_new(struct sembuf, nsops);
4087
4088 if (target_to_host_sembuf(sops, ptr, nsops)) {
4089 g_free(sops);
4090 return -TARGET_EFAULT;
4091 }
4092
4093 ret = -TARGET_ENOSYS;
4094#ifdef __NR_semtimedop
4095 ret = get_errno(safe_semtimedop(semid, sops, nsops, pts));
4096#endif
4097#ifdef __NR_ipc
4098 if (ret == -TARGET_ENOSYS) {
4099 ret = get_errno(safe_ipc(IPCOP_semtimedop, semid,
4100 SEMTIMEDOP_IPC_ARGS(nsops, sops, (long)pts)));
4101 }
4102#endif
4103 g_free(sops);
4104 return ret;
4105}
4106#endif
4107
4108struct target_msqid_ds
4109{
4110 struct target_ipc_perm msg_perm;
4111 abi_ulong msg_stime;
4112#if TARGET_ABI_BITS == 32
4113 abi_ulong __unused1;
4114#endif
4115 abi_ulong msg_rtime;
4116#if TARGET_ABI_BITS == 32
4117 abi_ulong __unused2;
4118#endif
4119 abi_ulong msg_ctime;
4120#if TARGET_ABI_BITS == 32
4121 abi_ulong __unused3;
4122#endif
4123 abi_ulong __msg_cbytes;
4124 abi_ulong msg_qnum;
4125 abi_ulong msg_qbytes;
4126 abi_ulong msg_lspid;
4127 abi_ulong msg_lrpid;
4128 abi_ulong __unused4;
4129 abi_ulong __unused5;
4130};
4131
4132static inline abi_long target_to_host_msqid_ds(struct msqid_ds *host_md,
4133 abi_ulong target_addr)
4134{
4135 struct target_msqid_ds *target_md;
4136
4137 if (!lock_user_struct(VERIFY_READ, target_md, target_addr, 1))
4138 return -TARGET_EFAULT;
4139 if (target_to_host_ipc_perm(&(host_md->msg_perm),target_addr))
4140 return -TARGET_EFAULT;
4141 host_md->msg_stime = tswapal(target_md->msg_stime);
4142 host_md->msg_rtime = tswapal(target_md->msg_rtime);
4143 host_md->msg_ctime = tswapal(target_md->msg_ctime);
4144 host_md->__msg_cbytes = tswapal(target_md->__msg_cbytes);
4145 host_md->msg_qnum = tswapal(target_md->msg_qnum);
4146 host_md->msg_qbytes = tswapal(target_md->msg_qbytes);
4147 host_md->msg_lspid = tswapal(target_md->msg_lspid);
4148 host_md->msg_lrpid = tswapal(target_md->msg_lrpid);
4149 unlock_user_struct(target_md, target_addr, 0);
4150 return 0;
4151}
4152
4153static inline abi_long host_to_target_msqid_ds(abi_ulong target_addr,
4154 struct msqid_ds *host_md)
4155{
4156 struct target_msqid_ds *target_md;
4157
4158 if (!lock_user_struct(VERIFY_WRITE, target_md, target_addr, 0))
4159 return -TARGET_EFAULT;
4160 if (host_to_target_ipc_perm(target_addr,&(host_md->msg_perm)))
4161 return -TARGET_EFAULT;
4162 target_md->msg_stime = tswapal(host_md->msg_stime);
4163 target_md->msg_rtime = tswapal(host_md->msg_rtime);
4164 target_md->msg_ctime = tswapal(host_md->msg_ctime);
4165 target_md->__msg_cbytes = tswapal(host_md->__msg_cbytes);
4166 target_md->msg_qnum = tswapal(host_md->msg_qnum);
4167 target_md->msg_qbytes = tswapal(host_md->msg_qbytes);
4168 target_md->msg_lspid = tswapal(host_md->msg_lspid);
4169 target_md->msg_lrpid = tswapal(host_md->msg_lrpid);
4170 unlock_user_struct(target_md, target_addr, 1);
4171 return 0;
4172}
4173
4174struct target_msginfo {
4175 int msgpool;
4176 int msgmap;
4177 int msgmax;
4178 int msgmnb;
4179 int msgmni;
4180 int msgssz;
4181 int msgtql;
4182 unsigned short int msgseg;
4183};
4184
4185static inline abi_long host_to_target_msginfo(abi_ulong target_addr,
4186 struct msginfo *host_msginfo)
4187{
4188 struct target_msginfo *target_msginfo;
4189 if (!lock_user_struct(VERIFY_WRITE, target_msginfo, target_addr, 0))
4190 return -TARGET_EFAULT;
4191 __put_user(host_msginfo->msgpool, &target_msginfo->msgpool);
4192 __put_user(host_msginfo->msgmap, &target_msginfo->msgmap);
4193 __put_user(host_msginfo->msgmax, &target_msginfo->msgmax);
4194 __put_user(host_msginfo->msgmnb, &target_msginfo->msgmnb);
4195 __put_user(host_msginfo->msgmni, &target_msginfo->msgmni);
4196 __put_user(host_msginfo->msgssz, &target_msginfo->msgssz);
4197 __put_user(host_msginfo->msgtql, &target_msginfo->msgtql);
4198 __put_user(host_msginfo->msgseg, &target_msginfo->msgseg);
4199 unlock_user_struct(target_msginfo, target_addr, 1);
4200 return 0;
4201}
4202
4203static inline abi_long do_msgctl(int msgid, int cmd, abi_long ptr)
4204{
4205 struct msqid_ds dsarg;
4206 struct msginfo msginfo;
4207 abi_long ret = -TARGET_EINVAL;
4208
4209 cmd &= 0xff;
4210
4211 switch (cmd) {
4212 case IPC_STAT:
4213 case IPC_SET:
4214 case MSG_STAT:
4215 if (target_to_host_msqid_ds(&dsarg,ptr))
4216 return -TARGET_EFAULT;
4217 ret = get_errno(msgctl(msgid, cmd, &dsarg));
4218 if (host_to_target_msqid_ds(ptr,&dsarg))
4219 return -TARGET_EFAULT;
4220 break;
4221 case IPC_RMID:
4222 ret = get_errno(msgctl(msgid, cmd, NULL));
4223 break;
4224 case IPC_INFO:
4225 case MSG_INFO:
4226 ret = get_errno(msgctl(msgid, cmd, (struct msqid_ds *)&msginfo));
4227 if (host_to_target_msginfo(ptr, &msginfo))
4228 return -TARGET_EFAULT;
4229 break;
4230 }
4231
4232 return ret;
4233}
4234
4235struct target_msgbuf {
4236 abi_long mtype;
4237 char mtext[1];
4238};
4239
4240static inline abi_long do_msgsnd(int msqid, abi_long msgp,
4241 ssize_t msgsz, int msgflg)
4242{
4243 struct target_msgbuf *target_mb;
4244 struct msgbuf *host_mb;
4245 abi_long ret = 0;
4246
4247 if (msgsz < 0) {
4248 return -TARGET_EINVAL;
4249 }
4250
4251 if (!lock_user_struct(VERIFY_READ, target_mb, msgp, 0))
4252 return -TARGET_EFAULT;
4253 host_mb = g_try_malloc(msgsz + sizeof(long));
4254 if (!host_mb) {
4255 unlock_user_struct(target_mb, msgp, 0);
4256 return -TARGET_ENOMEM;
4257 }
4258 host_mb->mtype = (abi_long) tswapal(target_mb->mtype);
4259 memcpy(host_mb->mtext, target_mb->mtext, msgsz);
4260 ret = -TARGET_ENOSYS;
4261#ifdef __NR_msgsnd
4262 ret = get_errno(safe_msgsnd(msqid, host_mb, msgsz, msgflg));
4263#endif
4264#ifdef __NR_ipc
4265 if (ret == -TARGET_ENOSYS) {
4266#ifdef __s390x__
4267 ret = get_errno(safe_ipc(IPCOP_msgsnd, msqid, msgsz, msgflg,
4268 host_mb));
4269#else
4270 ret = get_errno(safe_ipc(IPCOP_msgsnd, msqid, msgsz, msgflg,
4271 host_mb, 0));
4272#endif
4273 }
4274#endif
4275 g_free(host_mb);
4276 unlock_user_struct(target_mb, msgp, 0);
4277
4278 return ret;
4279}
4280
4281#ifdef __NR_ipc
4282#if defined(__sparc__)
4283
4284#define MSGRCV_ARGS(__msgp, __msgtyp) __msgp, __msgtyp
4285#elif defined(__s390x__)
4286
4287#define MSGRCV_ARGS(__msgp, __msgtyp) \
4288 ((long int[]){(long int)__msgp, __msgtyp})
4289#else
4290#define MSGRCV_ARGS(__msgp, __msgtyp) \
4291 ((long int[]){(long int)__msgp, __msgtyp}), 0
4292#endif
4293#endif
4294
4295static inline abi_long do_msgrcv(int msqid, abi_long msgp,
4296 ssize_t msgsz, abi_long msgtyp,
4297 int msgflg)
4298{
4299 struct target_msgbuf *target_mb;
4300 char *target_mtext;
4301 struct msgbuf *host_mb;
4302 abi_long ret = 0;
4303
4304 if (msgsz < 0) {
4305 return -TARGET_EINVAL;
4306 }
4307
4308 if (!lock_user_struct(VERIFY_WRITE, target_mb, msgp, 0))
4309 return -TARGET_EFAULT;
4310
4311 host_mb = g_try_malloc(msgsz + sizeof(long));
4312 if (!host_mb) {
4313 ret = -TARGET_ENOMEM;
4314 goto end;
4315 }
4316 ret = -TARGET_ENOSYS;
4317#ifdef __NR_msgrcv
4318 ret = get_errno(safe_msgrcv(msqid, host_mb, msgsz, msgtyp, msgflg));
4319#endif
4320#ifdef __NR_ipc
4321 if (ret == -TARGET_ENOSYS) {
4322 ret = get_errno(safe_ipc(IPCOP_CALL(1, IPCOP_msgrcv), msqid, msgsz,
4323 msgflg, MSGRCV_ARGS(host_mb, msgtyp)));
4324 }
4325#endif
4326
4327 if (ret > 0) {
4328 abi_ulong target_mtext_addr = msgp + sizeof(abi_ulong);
4329 target_mtext = lock_user(VERIFY_WRITE, target_mtext_addr, ret, 0);
4330 if (!target_mtext) {
4331 ret = -TARGET_EFAULT;
4332 goto end;
4333 }
4334 memcpy(target_mb->mtext, host_mb->mtext, ret);
4335 unlock_user(target_mtext, target_mtext_addr, ret);
4336 }
4337
4338 target_mb->mtype = tswapal(host_mb->mtype);
4339
4340end:
4341 if (target_mb)
4342 unlock_user_struct(target_mb, msgp, 1);
4343 g_free(host_mb);
4344 return ret;
4345}
4346
4347static inline abi_long target_to_host_shmid_ds(struct shmid_ds *host_sd,
4348 abi_ulong target_addr)
4349{
4350 struct target_shmid_ds *target_sd;
4351
4352 if (!lock_user_struct(VERIFY_READ, target_sd, target_addr, 1))
4353 return -TARGET_EFAULT;
4354 if (target_to_host_ipc_perm(&(host_sd->shm_perm), target_addr))
4355 return -TARGET_EFAULT;
4356 __get_user(host_sd->shm_segsz, &target_sd->shm_segsz);
4357 __get_user(host_sd->shm_atime, &target_sd->shm_atime);
4358 __get_user(host_sd->shm_dtime, &target_sd->shm_dtime);
4359 __get_user(host_sd->shm_ctime, &target_sd->shm_ctime);
4360 __get_user(host_sd->shm_cpid, &target_sd->shm_cpid);
4361 __get_user(host_sd->shm_lpid, &target_sd->shm_lpid);
4362 __get_user(host_sd->shm_nattch, &target_sd->shm_nattch);
4363 unlock_user_struct(target_sd, target_addr, 0);
4364 return 0;
4365}
4366
4367static inline abi_long host_to_target_shmid_ds(abi_ulong target_addr,
4368 struct shmid_ds *host_sd)
4369{
4370 struct target_shmid_ds *target_sd;
4371
4372 if (!lock_user_struct(VERIFY_WRITE, target_sd, target_addr, 0))
4373 return -TARGET_EFAULT;
4374 if (host_to_target_ipc_perm(target_addr, &(host_sd->shm_perm)))
4375 return -TARGET_EFAULT;
4376 __put_user(host_sd->shm_segsz, &target_sd->shm_segsz);
4377 __put_user(host_sd->shm_atime, &target_sd->shm_atime);
4378 __put_user(host_sd->shm_dtime, &target_sd->shm_dtime);
4379 __put_user(host_sd->shm_ctime, &target_sd->shm_ctime);
4380 __put_user(host_sd->shm_cpid, &target_sd->shm_cpid);
4381 __put_user(host_sd->shm_lpid, &target_sd->shm_lpid);
4382 __put_user(host_sd->shm_nattch, &target_sd->shm_nattch);
4383 unlock_user_struct(target_sd, target_addr, 1);
4384 return 0;
4385}
4386
4387struct target_shminfo {
4388 abi_ulong shmmax;
4389 abi_ulong shmmin;
4390 abi_ulong shmmni;
4391 abi_ulong shmseg;
4392 abi_ulong shmall;
4393};
4394
4395static inline abi_long host_to_target_shminfo(abi_ulong target_addr,
4396 struct shminfo *host_shminfo)
4397{
4398 struct target_shminfo *target_shminfo;
4399 if (!lock_user_struct(VERIFY_WRITE, target_shminfo, target_addr, 0))
4400 return -TARGET_EFAULT;
4401 __put_user(host_shminfo->shmmax, &target_shminfo->shmmax);
4402 __put_user(host_shminfo->shmmin, &target_shminfo->shmmin);
4403 __put_user(host_shminfo->shmmni, &target_shminfo->shmmni);
4404 __put_user(host_shminfo->shmseg, &target_shminfo->shmseg);
4405 __put_user(host_shminfo->shmall, &target_shminfo->shmall);
4406 unlock_user_struct(target_shminfo, target_addr, 1);
4407 return 0;
4408}
4409
4410struct target_shm_info {
4411 int used_ids;
4412 abi_ulong shm_tot;
4413 abi_ulong shm_rss;
4414 abi_ulong shm_swp;
4415 abi_ulong swap_attempts;
4416 abi_ulong swap_successes;
4417};
4418
4419static inline abi_long host_to_target_shm_info(abi_ulong target_addr,
4420 struct shm_info *host_shm_info)
4421{
4422 struct target_shm_info *target_shm_info;
4423 if (!lock_user_struct(VERIFY_WRITE, target_shm_info, target_addr, 0))
4424 return -TARGET_EFAULT;
4425 __put_user(host_shm_info->used_ids, &target_shm_info->used_ids);
4426 __put_user(host_shm_info->shm_tot, &target_shm_info->shm_tot);
4427 __put_user(host_shm_info->shm_rss, &target_shm_info->shm_rss);
4428 __put_user(host_shm_info->shm_swp, &target_shm_info->shm_swp);
4429 __put_user(host_shm_info->swap_attempts, &target_shm_info->swap_attempts);
4430 __put_user(host_shm_info->swap_successes, &target_shm_info->swap_successes);
4431 unlock_user_struct(target_shm_info, target_addr, 1);
4432 return 0;
4433}
4434
4435static inline abi_long do_shmctl(int shmid, int cmd, abi_long buf)
4436{
4437 struct shmid_ds dsarg;
4438 struct shminfo shminfo;
4439 struct shm_info shm_info;
4440 abi_long ret = -TARGET_EINVAL;
4441
4442 cmd &= 0xff;
4443
4444 switch(cmd) {
4445 case IPC_STAT:
4446 case IPC_SET:
4447 case SHM_STAT:
4448 if (target_to_host_shmid_ds(&dsarg, buf))
4449 return -TARGET_EFAULT;
4450 ret = get_errno(shmctl(shmid, cmd, &dsarg));
4451 if (host_to_target_shmid_ds(buf, &dsarg))
4452 return -TARGET_EFAULT;
4453 break;
4454 case IPC_INFO:
4455 ret = get_errno(shmctl(shmid, cmd, (struct shmid_ds *)&shminfo));
4456 if (host_to_target_shminfo(buf, &shminfo))
4457 return -TARGET_EFAULT;
4458 break;
4459 case SHM_INFO:
4460 ret = get_errno(shmctl(shmid, cmd, (struct shmid_ds *)&shm_info));
4461 if (host_to_target_shm_info(buf, &shm_info))
4462 return -TARGET_EFAULT;
4463 break;
4464 case IPC_RMID:
4465 case SHM_LOCK:
4466 case SHM_UNLOCK:
4467 ret = get_errno(shmctl(shmid, cmd, NULL));
4468 break;
4469 }
4470
4471 return ret;
4472}
4473
4474#ifndef TARGET_FORCE_SHMLBA
4475
4476
4477
4478
4479
4480
4481
4482
4483
4484
4485
4486
4487
4488static inline abi_ulong target_shmlba(CPUArchState *cpu_env)
4489{
4490 return TARGET_PAGE_SIZE;
4491}
4492#endif
4493
4494static inline abi_ulong do_shmat(CPUArchState *cpu_env,
4495 int shmid, abi_ulong shmaddr, int shmflg)
4496{
4497 CPUState *cpu = env_cpu(cpu_env);
4498 abi_long raddr;
4499 void *host_raddr;
4500 struct shmid_ds shm_info;
4501 int i,ret;
4502 abi_ulong shmlba;
4503
4504
4505
4506
4507 ret = get_errno(shmctl(shmid, IPC_STAT, &shm_info));
4508 if (is_error(ret)) {
4509
4510 return ret;
4511 }
4512
4513 shmlba = target_shmlba(cpu_env);
4514
4515 if (shmaddr & (shmlba - 1)) {
4516 if (shmflg & SHM_RND) {
4517 shmaddr &= ~(shmlba - 1);
4518 } else {
4519 return -TARGET_EINVAL;
4520 }
4521 }
4522 if (!guest_range_valid_untagged(shmaddr, shm_info.shm_segsz)) {
4523 return -TARGET_EINVAL;
4524 }
4525
4526 mmap_lock();
4527
4528
4529
4530
4531
4532
4533
4534 if (!(cpu->tcg_cflags & CF_PARALLEL)) {
4535 cpu->tcg_cflags |= CF_PARALLEL;
4536 tb_flush(cpu);
4537 }
4538
4539 if (shmaddr)
4540 host_raddr = shmat(shmid, (void *)g2h_untagged(shmaddr), shmflg);
4541 else {
4542 abi_ulong mmap_start;
4543
4544
4545 mmap_start = mmap_find_vma(0, shm_info.shm_segsz, MAX(SHMLBA, shmlba));
4546
4547 if (mmap_start == -1) {
4548 errno = ENOMEM;
4549 host_raddr = (void *)-1;
4550 } else
4551 host_raddr = shmat(shmid, g2h_untagged(mmap_start),
4552 shmflg | SHM_REMAP);
4553 }
4554
4555 if (host_raddr == (void *)-1) {
4556 mmap_unlock();
4557 return get_errno((long)host_raddr);
4558 }
4559 raddr=h2g((unsigned long)host_raddr);
4560
4561 page_set_flags(raddr, raddr + shm_info.shm_segsz,
4562 PAGE_VALID | PAGE_RESET | PAGE_READ |
4563 (shmflg & SHM_RDONLY ? 0 : PAGE_WRITE));
4564
4565 for (i = 0; i < N_SHM_REGIONS; i++) {
4566 if (!shm_regions[i].in_use) {
4567 shm_regions[i].in_use = true;
4568 shm_regions[i].start = raddr;
4569 shm_regions[i].size = shm_info.shm_segsz;
4570 break;
4571 }
4572 }
4573
4574 mmap_unlock();
4575 return raddr;
4576
4577}
4578
4579static inline abi_long do_shmdt(abi_ulong shmaddr)
4580{
4581 int i;
4582 abi_long rv;
4583
4584
4585
4586 mmap_lock();
4587
4588 for (i = 0; i < N_SHM_REGIONS; ++i) {
4589 if (shm_regions[i].in_use && shm_regions[i].start == shmaddr) {
4590 shm_regions[i].in_use = false;
4591 page_set_flags(shmaddr, shmaddr + shm_regions[i].size, 0);
4592 break;
4593 }
4594 }
4595 rv = get_errno(shmdt(g2h_untagged(shmaddr)));
4596
4597 mmap_unlock();
4598
4599 return rv;
4600}
4601
4602#ifdef TARGET_NR_ipc
4603
4604
4605static abi_long do_ipc(CPUArchState *cpu_env,
4606 unsigned int call, abi_long first,
4607 abi_long second, abi_long third,
4608 abi_long ptr, abi_long fifth)
4609{
4610 int version;
4611 abi_long ret = 0;
4612
4613 version = call >> 16;
4614 call &= 0xffff;
4615
4616 switch (call) {
4617 case IPCOP_semop:
4618 ret = do_semtimedop(first, ptr, second, 0, false);
4619 break;
4620 case IPCOP_semtimedop:
4621
4622
4623
4624
4625
4626
4627#if defined(TARGET_S390X)
4628 ret = do_semtimedop(first, ptr, second, third, TARGET_ABI_BITS == 64);
4629#else
4630 ret = do_semtimedop(first, ptr, second, fifth, TARGET_ABI_BITS == 64);
4631#endif
4632 break;
4633
4634 case IPCOP_semget:
4635 ret = get_errno(semget(first, second, third));
4636 break;
4637
4638 case IPCOP_semctl: {
4639
4640
4641 abi_ulong atptr;
4642 get_user_ual(atptr, ptr);
4643 ret = do_semctl(first, second, third, atptr);
4644 break;
4645 }
4646
4647 case IPCOP_msgget:
4648 ret = get_errno(msgget(first, second));
4649 break;
4650
4651 case IPCOP_msgsnd:
4652 ret = do_msgsnd(first, ptr, second, third);
4653 break;
4654
4655 case IPCOP_msgctl:
4656 ret = do_msgctl(first, second, ptr);
4657 break;
4658
4659 case IPCOP_msgrcv:
4660 switch (version) {
4661 case 0:
4662 {
4663 struct target_ipc_kludge {
4664 abi_long msgp;
4665 abi_long msgtyp;
4666 } *tmp;
4667
4668 if (!lock_user_struct(VERIFY_READ, tmp, ptr, 1)) {
4669 ret = -TARGET_EFAULT;
4670 break;
4671 }
4672
4673 ret = do_msgrcv(first, tswapal(tmp->msgp), second, tswapal(tmp->msgtyp), third);
4674
4675 unlock_user_struct(tmp, ptr, 0);
4676 break;
4677 }
4678 default:
4679 ret = do_msgrcv(first, ptr, second, fifth, third);
4680 }
4681 break;
4682
4683 case IPCOP_shmat:
4684 switch (version) {
4685 default:
4686 {
4687 abi_ulong raddr;
4688 raddr = do_shmat(cpu_env, first, ptr, second);
4689 if (is_error(raddr))
4690 return get_errno(raddr);
4691 if (put_user_ual(raddr, third))
4692 return -TARGET_EFAULT;
4693 break;
4694 }
4695 case 1:
4696 ret = -TARGET_EINVAL;
4697 break;
4698 }
4699 break;
4700 case IPCOP_shmdt:
4701 ret = do_shmdt(ptr);
4702 break;
4703
4704 case IPCOP_shmget:
4705
4706 ret = get_errno(shmget(first, second, third));
4707 break;
4708
4709
4710 case IPCOP_shmctl:
4711 ret = do_shmctl(first, second, ptr);
4712 break;
4713 default:
4714 qemu_log_mask(LOG_UNIMP, "Unsupported ipc call: %d (version %d)\n",
4715 call, version);
4716 ret = -TARGET_ENOSYS;
4717 break;
4718 }
4719 return ret;
4720}
4721#endif
4722
4723
4724
4725#define STRUCT(name, ...) STRUCT_ ## name,
4726#define STRUCT_SPECIAL(name) STRUCT_ ## name,
4727enum {
4728#include "syscall_types.h"
4729STRUCT_MAX
4730};
4731#undef STRUCT
4732#undef STRUCT_SPECIAL
4733
4734#define STRUCT(name, ...) static const argtype struct_ ## name ## _def[] = { __VA_ARGS__, TYPE_NULL };
4735#define STRUCT_SPECIAL(name)
4736#include "syscall_types.h"
4737#undef STRUCT
4738#undef STRUCT_SPECIAL
4739
4740#define MAX_STRUCT_SIZE 4096
4741
4742#ifdef CONFIG_FIEMAP
4743
4744
4745
4746
4747#define FIEMAP_MAX_EXTENTS ((UINT_MAX - sizeof(struct fiemap)) \
4748 / sizeof(struct fiemap_extent))
4749
4750static abi_long do_ioctl_fs_ioc_fiemap(const IOCTLEntry *ie, uint8_t *buf_temp,
4751 int fd, int cmd, abi_long arg)
4752{
4753
4754
4755
4756
4757
4758 int target_size_in, target_size_out;
4759 struct fiemap *fm;
4760 const argtype *arg_type = ie->arg_type;
4761 const argtype extent_arg_type[] = { MK_STRUCT(STRUCT_fiemap_extent) };
4762 void *argptr, *p;
4763 abi_long ret;
4764 int i, extent_size = thunk_type_size(extent_arg_type, 0);
4765 uint32_t outbufsz;
4766 int free_fm = 0;
4767
4768 assert(arg_type[0] == TYPE_PTR);
4769 assert(ie->access == IOC_RW);
4770 arg_type++;
4771 target_size_in = thunk_type_size(arg_type, 0);
4772 argptr = lock_user(VERIFY_READ, arg, target_size_in, 1);
4773 if (!argptr) {
4774 return -TARGET_EFAULT;
4775 }
4776 thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST);
4777 unlock_user(argptr, arg, 0);
4778 fm = (struct fiemap *)buf_temp;
4779 if (fm->fm_extent_count > FIEMAP_MAX_EXTENTS) {
4780 return -TARGET_EINVAL;
4781 }
4782
4783 outbufsz = sizeof (*fm) +
4784 (sizeof(struct fiemap_extent) * fm->fm_extent_count);
4785
4786 if (outbufsz > MAX_STRUCT_SIZE) {
4787
4788
4789
4790 fm = g_try_malloc(outbufsz);
4791 if (!fm) {
4792 return -TARGET_ENOMEM;
4793 }
4794 memcpy(fm, buf_temp, sizeof(struct fiemap));
4795 free_fm = 1;
4796 }
4797 ret = get_errno(safe_ioctl(fd, ie->host_cmd, fm));
4798 if (!is_error(ret)) {
4799 target_size_out = target_size_in;
4800
4801
4802
4803 if (fm->fm_extent_count != 0) {
4804 target_size_out += fm->fm_mapped_extents * extent_size;
4805 }
4806 argptr = lock_user(VERIFY_WRITE, arg, target_size_out, 0);
4807 if (!argptr) {
4808 ret = -TARGET_EFAULT;
4809 } else {
4810
4811 thunk_convert(argptr, fm, arg_type, THUNK_TARGET);
4812 if (fm->fm_extent_count != 0) {
4813 p = argptr + target_size_in;
4814
4815 for (i = 0; i < fm->fm_mapped_extents; i++) {
4816 thunk_convert(p, &fm->fm_extents[i], extent_arg_type,
4817 THUNK_TARGET);
4818 p += extent_size;
4819 }
4820 }
4821 unlock_user(argptr, arg, target_size_out);
4822 }
4823 }
4824 if (free_fm) {
4825 g_free(fm);
4826 }
4827 return ret;
4828}
4829#endif
4830
4831static abi_long do_ioctl_ifconf(const IOCTLEntry *ie, uint8_t *buf_temp,
4832 int fd, int cmd, abi_long arg)
4833{
4834 const argtype *arg_type = ie->arg_type;
4835 int target_size;
4836 void *argptr;
4837 int ret;
4838 struct ifconf *host_ifconf;
4839 uint32_t outbufsz;
4840 const argtype ifreq_arg_type[] = { MK_STRUCT(STRUCT_sockaddr_ifreq) };
4841 const argtype ifreq_max_type[] = { MK_STRUCT(STRUCT_ifmap_ifreq) };
4842 int target_ifreq_size;
4843 int nb_ifreq;
4844 int free_buf = 0;
4845 int i;
4846 int target_ifc_len;
4847 abi_long target_ifc_buf;
4848 int host_ifc_len;
4849 char *host_ifc_buf;
4850
4851 assert(arg_type[0] == TYPE_PTR);
4852 assert(ie->access == IOC_RW);
4853
4854 arg_type++;
4855 target_size = thunk_type_size(arg_type, 0);
4856
4857 argptr = lock_user(VERIFY_READ, arg, target_size, 1);
4858 if (!argptr)
4859 return -TARGET_EFAULT;
4860 thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST);
4861 unlock_user(argptr, arg, 0);
4862
4863 host_ifconf = (struct ifconf *)(unsigned long)buf_temp;
4864 target_ifc_buf = (abi_long)(unsigned long)host_ifconf->ifc_buf;
4865 target_ifreq_size = thunk_type_size(ifreq_max_type, 0);
4866
4867 if (target_ifc_buf != 0) {
4868 target_ifc_len = host_ifconf->ifc_len;
4869 nb_ifreq = target_ifc_len / target_ifreq_size;
4870 host_ifc_len = nb_ifreq * sizeof(struct ifreq);
4871
4872 outbufsz = sizeof(*host_ifconf) + host_ifc_len;
4873 if (outbufsz > MAX_STRUCT_SIZE) {
4874
4875
4876
4877
4878 host_ifconf = g_try_malloc(outbufsz);
4879 if (!host_ifconf) {
4880 return -TARGET_ENOMEM;
4881 }
4882 memcpy(host_ifconf, buf_temp, sizeof(*host_ifconf));
4883 free_buf = 1;
4884 }
4885 host_ifc_buf = (char *)host_ifconf + sizeof(*host_ifconf);
4886
4887 host_ifconf->ifc_len = host_ifc_len;
4888 } else {
4889 host_ifc_buf = NULL;
4890 }
4891 host_ifconf->ifc_buf = host_ifc_buf;
4892
4893 ret = get_errno(safe_ioctl(fd, ie->host_cmd, host_ifconf));
4894 if (!is_error(ret)) {
4895
4896
4897 nb_ifreq = host_ifconf->ifc_len / sizeof(struct ifreq);
4898 target_ifc_len = nb_ifreq * target_ifreq_size;
4899 host_ifconf->ifc_len = target_ifc_len;
4900
4901
4902
4903 host_ifconf->ifc_buf = (char *)(unsigned long)target_ifc_buf;
4904
4905
4906
4907 argptr = lock_user(VERIFY_WRITE, arg, target_size, 0);
4908 if (!argptr)
4909 return -TARGET_EFAULT;
4910 thunk_convert(argptr, host_ifconf, arg_type, THUNK_TARGET);
4911 unlock_user(argptr, arg, target_size);
4912
4913 if (target_ifc_buf != 0) {
4914
4915 argptr = lock_user(VERIFY_WRITE, target_ifc_buf, target_ifc_len, 0);
4916 for (i = 0; i < nb_ifreq ; i++) {
4917 thunk_convert(argptr + i * target_ifreq_size,
4918 host_ifc_buf + i * sizeof(struct ifreq),
4919 ifreq_arg_type, THUNK_TARGET);
4920 }
4921 unlock_user(argptr, target_ifc_buf, target_ifc_len);
4922 }
4923 }
4924
4925 if (free_buf) {
4926 g_free(host_ifconf);
4927 }
4928
4929 return ret;
4930}
4931
4932#if defined(CONFIG_USBFS)
4933#if HOST_LONG_BITS > 64
4934#error USBDEVFS thunks do not support >64 bit hosts yet.
4935#endif
4936struct live_urb {
4937 uint64_t target_urb_adr;
4938 uint64_t target_buf_adr;
4939 char *target_buf_ptr;
4940 struct usbdevfs_urb host_urb;
4941};
4942
4943static GHashTable *usbdevfs_urb_hashtable(void)
4944{
4945 static GHashTable *urb_hashtable;
4946
4947 if (!urb_hashtable) {
4948 urb_hashtable = g_hash_table_new(g_int64_hash, g_int64_equal);
4949 }
4950 return urb_hashtable;
4951}
4952
4953static void urb_hashtable_insert(struct live_urb *urb)
4954{
4955 GHashTable *urb_hashtable = usbdevfs_urb_hashtable();
4956 g_hash_table_insert(urb_hashtable, urb, urb);
4957}
4958
4959static struct live_urb *urb_hashtable_lookup(uint64_t target_urb_adr)
4960{
4961 GHashTable *urb_hashtable = usbdevfs_urb_hashtable();
4962 return g_hash_table_lookup(urb_hashtable, &target_urb_adr);
4963}
4964
4965static void urb_hashtable_remove(struct live_urb *urb)
4966{
4967 GHashTable *urb_hashtable = usbdevfs_urb_hashtable();
4968 g_hash_table_remove(urb_hashtable, urb);
4969}
4970
4971static abi_long
4972do_ioctl_usbdevfs_reapurb(const IOCTLEntry *ie, uint8_t *buf_temp,
4973 int fd, int cmd, abi_long arg)
4974{
4975 const argtype usbfsurb_arg_type[] = { MK_STRUCT(STRUCT_usbdevfs_urb) };
4976 const argtype ptrvoid_arg_type[] = { TYPE_PTRVOID, 0, 0 };
4977 struct live_urb *lurb;
4978 void *argptr;
4979 uint64_t hurb;
4980 int target_size;
4981 uintptr_t target_urb_adr;
4982 abi_long ret;
4983
4984 target_size = thunk_type_size(usbfsurb_arg_type, THUNK_TARGET);
4985
4986 memset(buf_temp, 0, sizeof(uint64_t));
4987 ret = get_errno(safe_ioctl(fd, ie->host_cmd, buf_temp));
4988 if (is_error(ret)) {
4989 return ret;
4990 }
4991
4992 memcpy(&hurb, buf_temp, sizeof(uint64_t));
4993 lurb = (void *)((uintptr_t)hurb - offsetof(struct live_urb, host_urb));
4994 if (!lurb->target_urb_adr) {
4995 return -TARGET_EFAULT;
4996 }
4997 urb_hashtable_remove(lurb);
4998 unlock_user(lurb->target_buf_ptr, lurb->target_buf_adr,
4999 lurb->host_urb.buffer_length);
5000 lurb->target_buf_ptr = NULL;
5001
5002
5003 lurb->host_urb.buffer = (void *)(uintptr_t)lurb->target_buf_adr;
5004
5005
5006 argptr = lock_user(VERIFY_WRITE, lurb->target_urb_adr, target_size, 0);
5007 if (!argptr) {
5008 g_free(lurb);
5009 return -TARGET_EFAULT;
5010 }
5011 thunk_convert(argptr, &lurb->host_urb, usbfsurb_arg_type, THUNK_TARGET);
5012 unlock_user(argptr, lurb->target_urb_adr, target_size);
5013
5014 target_size = thunk_type_size(ptrvoid_arg_type, THUNK_TARGET);
5015
5016 argptr = lock_user(VERIFY_WRITE, arg, target_size, 0);
5017 if (!argptr) {
5018 g_free(lurb);
5019 return -TARGET_EFAULT;
5020 }
5021
5022
5023 target_urb_adr = lurb->target_urb_adr;
5024 thunk_convert(argptr, &target_urb_adr, ptrvoid_arg_type, THUNK_TARGET);
5025 unlock_user(argptr, arg, target_size);
5026
5027 g_free(lurb);
5028 return ret;
5029}
5030
5031static abi_long
5032do_ioctl_usbdevfs_discardurb(const IOCTLEntry *ie,
5033 uint8_t *buf_temp __attribute__((unused)),
5034 int fd, int cmd, abi_long arg)
5035{
5036 struct live_urb *lurb;
5037
5038
5039 lurb = urb_hashtable_lookup(arg);
5040 if (!lurb) {
5041 return -TARGET_EFAULT;
5042 }
5043 return get_errno(safe_ioctl(fd, ie->host_cmd, &lurb->host_urb));
5044}
5045
5046static abi_long
5047do_ioctl_usbdevfs_submiturb(const IOCTLEntry *ie, uint8_t *buf_temp,
5048 int fd, int cmd, abi_long arg)
5049{
5050 const argtype *arg_type = ie->arg_type;
5051 int target_size;
5052 abi_long ret;
5053 void *argptr;
5054 int rw_dir;
5055 struct live_urb *lurb;
5056
5057
5058
5059
5060
5061
5062
5063 arg_type++;
5064 target_size = thunk_type_size(arg_type, THUNK_TARGET);
5065
5066
5067 lurb = g_try_new0(struct live_urb, 1);
5068 if (!lurb) {
5069 return -TARGET_ENOMEM;
5070 }
5071
5072 argptr = lock_user(VERIFY_READ, arg, target_size, 1);
5073 if (!argptr) {
5074 g_free(lurb);
5075 return -TARGET_EFAULT;
5076 }
5077 thunk_convert(&lurb->host_urb, argptr, arg_type, THUNK_HOST);
5078 unlock_user(argptr, arg, 0);
5079
5080 lurb->target_urb_adr = arg;
5081 lurb->target_buf_adr = (uintptr_t)lurb->host_urb.buffer;
5082
5083
5084
5085 rw_dir = lurb->host_urb.endpoint & USB_DIR_IN ? VERIFY_WRITE : VERIFY_READ;
5086 lurb->target_buf_ptr = lock_user(rw_dir, lurb->target_buf_adr,
5087 lurb->host_urb.buffer_length, 1);
5088 if (lurb->target_buf_ptr == NULL) {
5089 g_free(lurb);
5090 return -TARGET_EFAULT;
5091 }
5092
5093
5094 lurb->host_urb.buffer = lurb->target_buf_ptr;
5095
5096 ret = get_errno(safe_ioctl(fd, ie->host_cmd, &lurb->host_urb));
5097 if (is_error(ret)) {
5098 unlock_user(lurb->target_buf_ptr, lurb->target_buf_adr, 0);
5099 g_free(lurb);
5100 } else {
5101 urb_hashtable_insert(lurb);
5102 }
5103
5104 return ret;
5105}
5106#endif
5107
5108static abi_long do_ioctl_dm(const IOCTLEntry *ie, uint8_t *buf_temp, int fd,
5109 int cmd, abi_long arg)
5110{
5111 void *argptr;
5112 struct dm_ioctl *host_dm;
5113 abi_long guest_data;
5114 uint32_t guest_data_size;
5115 int target_size;
5116 const argtype *arg_type = ie->arg_type;
5117 abi_long ret;
5118 void *big_buf = NULL;
5119 char *host_data;
5120
5121 arg_type++;
5122 target_size = thunk_type_size(arg_type, 0);
5123 argptr = lock_user(VERIFY_READ, arg, target_size, 1);
5124 if (!argptr) {
5125 ret = -TARGET_EFAULT;
5126 goto out;
5127 }
5128 thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST);
5129 unlock_user(argptr, arg, 0);
5130
5131
5132 big_buf = g_malloc0(((struct dm_ioctl*)buf_temp)->data_size * 2);
5133 memcpy(big_buf, buf_temp, target_size);
5134 buf_temp = big_buf;
5135 host_dm = big_buf;
5136
5137 guest_data = arg + host_dm->data_start;
5138 if ((guest_data - arg) < 0) {
5139 ret = -TARGET_EINVAL;
5140 goto out;
5141 }
5142 guest_data_size = host_dm->data_size - host_dm->data_start;
5143 host_data = (char*)host_dm + host_dm->data_start;
5144
5145 argptr = lock_user(VERIFY_READ, guest_data, guest_data_size, 1);
5146 if (!argptr) {
5147 ret = -TARGET_EFAULT;
5148 goto out;
5149 }
5150
5151 switch (ie->host_cmd) {
5152 case DM_REMOVE_ALL:
5153 case DM_LIST_DEVICES:
5154 case DM_DEV_CREATE:
5155 case DM_DEV_REMOVE:
5156 case DM_DEV_SUSPEND:
5157 case DM_DEV_STATUS:
5158 case DM_DEV_WAIT:
5159 case DM_TABLE_STATUS:
5160 case DM_TABLE_CLEAR:
5161 case DM_TABLE_DEPS:
5162 case DM_LIST_VERSIONS:
5163
5164 break;
5165 case DM_DEV_RENAME:
5166 case DM_DEV_SET_GEOMETRY:
5167
5168 memcpy(host_data, argptr, guest_data_size);
5169 break;
5170 case DM_TARGET_MSG:
5171 memcpy(host_data, argptr, guest_data_size);
5172 *(uint64_t*)host_data = tswap64(*(uint64_t*)argptr);
5173 break;
5174 case DM_TABLE_LOAD:
5175 {
5176 void *gspec = argptr;
5177 void *cur_data = host_data;
5178 const argtype arg_type[] = { MK_STRUCT(STRUCT_dm_target_spec) };
5179 int spec_size = thunk_type_size(arg_type, 0);
5180 int i;
5181
5182 for (i = 0; i < host_dm->target_count; i++) {
5183 struct dm_target_spec *spec = cur_data;
5184 uint32_t next;
5185 int slen;
5186
5187 thunk_convert(spec, gspec, arg_type, THUNK_HOST);
5188 slen = strlen((char*)gspec + spec_size) + 1;
5189 next = spec->next;
5190 spec->next = sizeof(*spec) + slen;
5191 strcpy((char*)&spec[1], gspec + spec_size);
5192 gspec += next;
5193 cur_data += spec->next;
5194 }
5195 break;
5196 }
5197 default:
5198 ret = -TARGET_EINVAL;
5199 unlock_user(argptr, guest_data, 0);
5200 goto out;
5201 }
5202 unlock_user(argptr, guest_data, 0);
5203
5204 ret = get_errno(safe_ioctl(fd, ie->host_cmd, buf_temp));
5205 if (!is_error(ret)) {
5206 guest_data = arg + host_dm->data_start;
5207 guest_data_size = host_dm->data_size - host_dm->data_start;
5208 argptr = lock_user(VERIFY_WRITE, guest_data, guest_data_size, 0);
5209 switch (ie->host_cmd) {
5210 case DM_REMOVE_ALL:
5211 case DM_DEV_CREATE:
5212 case DM_DEV_REMOVE:
5213 case DM_DEV_RENAME:
5214 case DM_DEV_SUSPEND:
5215 case DM_DEV_STATUS:
5216 case DM_TABLE_LOAD:
5217 case DM_TABLE_CLEAR:
5218 case DM_TARGET_MSG:
5219 case DM_DEV_SET_GEOMETRY:
5220
5221 break;
5222 case DM_LIST_DEVICES:
5223 {
5224 struct dm_name_list *nl = (void*)host_dm + host_dm->data_start;
5225 uint32_t remaining_data = guest_data_size;
5226 void *cur_data = argptr;
5227 const argtype arg_type[] = { MK_STRUCT(STRUCT_dm_name_list) };
5228 int nl_size = 12;
5229
5230 while (1) {
5231 uint32_t next = nl->next;
5232 if (next) {
5233 nl->next = nl_size + (strlen(nl->name) + 1);
5234 }
5235 if (remaining_data < nl->next) {
5236 host_dm->flags |= DM_BUFFER_FULL_FLAG;
5237 break;
5238 }
5239 thunk_convert(cur_data, nl, arg_type, THUNK_TARGET);
5240 strcpy(cur_data + nl_size, nl->name);
5241 cur_data += nl->next;
5242 remaining_data -= nl->next;
5243 if (!next) {
5244 break;
5245 }
5246 nl = (void*)nl + next;
5247 }
5248 break;
5249 }
5250 case DM_DEV_WAIT:
5251 case DM_TABLE_STATUS:
5252 {
5253 struct dm_target_spec *spec = (void*)host_dm + host_dm->data_start;
5254 void *cur_data = argptr;
5255 const argtype arg_type[] = { MK_STRUCT(STRUCT_dm_target_spec) };
5256 int spec_size = thunk_type_size(arg_type, 0);
5257 int i;
5258
5259 for (i = 0; i < host_dm->target_count; i++) {
5260 uint32_t next = spec->next;
5261 int slen = strlen((char*)&spec[1]) + 1;
5262 spec->next = (cur_data - argptr) + spec_size + slen;
5263 if (guest_data_size < spec->next) {
5264 host_dm->flags |= DM_BUFFER_FULL_FLAG;
5265 break;
5266 }
5267 thunk_convert(cur_data, spec, arg_type, THUNK_TARGET);
5268 strcpy(cur_data + spec_size, (char*)&spec[1]);
5269 cur_data = argptr + spec->next;
5270 spec = (void*)host_dm + host_dm->data_start + next;
5271 }
5272 break;
5273 }
5274 case DM_TABLE_DEPS:
5275 {
5276 void *hdata = (void*)host_dm + host_dm->data_start;
5277 int count = *(uint32_t*)hdata;
5278 uint64_t *hdev = hdata + 8;
5279 uint64_t *gdev = argptr + 8;
5280 int i;
5281
5282 *(uint32_t*)argptr = tswap32(count);
5283 for (i = 0; i < count; i++) {
5284 *gdev = tswap64(*hdev);
5285 gdev++;
5286 hdev++;
5287 }
5288 break;
5289 }
5290 case DM_LIST_VERSIONS:
5291 {
5292 struct dm_target_versions *vers = (void*)host_dm + host_dm->data_start;
5293 uint32_t remaining_data = guest_data_size;
5294 void *cur_data = argptr;
5295 const argtype arg_type[] = { MK_STRUCT(STRUCT_dm_target_versions) };
5296 int vers_size = thunk_type_size(arg_type, 0);
5297
5298 while (1) {
5299 uint32_t next = vers->next;
5300 if (next) {
5301 vers->next = vers_size + (strlen(vers->name) + 1);
5302 }
5303 if (remaining_data < vers->next) {
5304 host_dm->flags |= DM_BUFFER_FULL_FLAG;
5305 break;
5306 }
5307 thunk_convert(cur_data, vers, arg_type, THUNK_TARGET);
5308 strcpy(cur_data + vers_size, vers->name);
5309 cur_data += vers->next;
5310 remaining_data -= vers->next;
5311 if (!next) {
5312 break;
5313 }
5314 vers = (void*)vers + next;
5315 }
5316 break;
5317 }
5318 default:
5319 unlock_user(argptr, guest_data, 0);
5320 ret = -TARGET_EINVAL;
5321 goto out;
5322 }
5323 unlock_user(argptr, guest_data, guest_data_size);
5324
5325 argptr = lock_user(VERIFY_WRITE, arg, target_size, 0);
5326 if (!argptr) {
5327 ret = -TARGET_EFAULT;
5328 goto out;
5329 }
5330 thunk_convert(argptr, buf_temp, arg_type, THUNK_TARGET);
5331 unlock_user(argptr, arg, target_size);
5332 }
5333out:
5334 g_free(big_buf);
5335 return ret;
5336}
5337
5338static abi_long do_ioctl_blkpg(const IOCTLEntry *ie, uint8_t *buf_temp, int fd,
5339 int cmd, abi_long arg)
5340{
5341 void *argptr;
5342 int target_size;
5343 const argtype *arg_type = ie->arg_type;
5344 const argtype part_arg_type[] = { MK_STRUCT(STRUCT_blkpg_partition) };
5345 abi_long ret;
5346
5347 struct blkpg_ioctl_arg *host_blkpg = (void*)buf_temp;
5348 struct blkpg_partition host_part;
5349
5350
5351 arg_type++;
5352 target_size = thunk_type_size(arg_type, 0);
5353 argptr = lock_user(VERIFY_READ, arg, target_size, 1);
5354 if (!argptr) {
5355 ret = -TARGET_EFAULT;
5356 goto out;
5357 }
5358 thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST);
5359 unlock_user(argptr, arg, 0);
5360
5361 switch (host_blkpg->op) {
5362 case BLKPG_ADD_PARTITION:
5363 case BLKPG_DEL_PARTITION:
5364
5365 break;
5366 default:
5367
5368 ret = -TARGET_EINVAL;
5369 goto out;
5370 }
5371
5372
5373 arg = (abi_long)(uintptr_t)host_blkpg->data;
5374 target_size = thunk_type_size(part_arg_type, 0);
5375 argptr = lock_user(VERIFY_READ, arg, target_size, 1);
5376 if (!argptr) {
5377 ret = -TARGET_EFAULT;
5378 goto out;
5379 }
5380 thunk_convert(&host_part, argptr, part_arg_type, THUNK_HOST);
5381 unlock_user(argptr, arg, 0);
5382
5383
5384 host_blkpg->data = &host_part;
5385 ret = get_errno(safe_ioctl(fd, ie->host_cmd, host_blkpg));
5386
5387out:
5388 return ret;
5389}
5390
5391static abi_long do_ioctl_rt(const IOCTLEntry *ie, uint8_t *buf_temp,
5392 int fd, int cmd, abi_long arg)
5393{
5394 const argtype *arg_type = ie->arg_type;
5395 const StructEntry *se;
5396 const argtype *field_types;
5397 const int *dst_offsets, *src_offsets;
5398 int target_size;
5399 void *argptr;
5400 abi_ulong *target_rt_dev_ptr = NULL;
5401 unsigned long *host_rt_dev_ptr = NULL;
5402 abi_long ret;
5403 int i;
5404
5405 assert(ie->access == IOC_W);
5406 assert(*arg_type == TYPE_PTR);
5407 arg_type++;
5408 assert(*arg_type == TYPE_STRUCT);
5409 target_size = thunk_type_size(arg_type, 0);
5410 argptr = lock_user(VERIFY_READ, arg, target_size, 1);
5411 if (!argptr) {
5412 return -TARGET_EFAULT;
5413 }
5414 arg_type++;
5415 assert(*arg_type == (int)STRUCT_rtentry);
5416 se = struct_entries + *arg_type++;
5417 assert(se->convert[0] == NULL);
5418
5419 field_types = se->field_types;
5420 dst_offsets = se->field_offsets[THUNK_HOST];
5421 src_offsets = se->field_offsets[THUNK_TARGET];
5422 for (i = 0; i < se->nb_fields; i++) {
5423 if (dst_offsets[i] == offsetof(struct rtentry, rt_dev)) {
5424 assert(*field_types == TYPE_PTRVOID);
5425 target_rt_dev_ptr = (abi_ulong *)(argptr + src_offsets[i]);
5426 host_rt_dev_ptr = (unsigned long *)(buf_temp + dst_offsets[i]);
5427 if (*target_rt_dev_ptr != 0) {
5428 *host_rt_dev_ptr = (unsigned long)lock_user_string(
5429 tswapal(*target_rt_dev_ptr));
5430 if (!*host_rt_dev_ptr) {
5431 unlock_user(argptr, arg, 0);
5432 return -TARGET_EFAULT;
5433 }
5434 } else {
5435 *host_rt_dev_ptr = 0;
5436 }
5437 field_types++;
5438 continue;
5439 }
5440 field_types = thunk_convert(buf_temp + dst_offsets[i],
5441 argptr + src_offsets[i],
5442 field_types, THUNK_HOST);
5443 }
5444 unlock_user(argptr, arg, 0);
5445
5446 ret = get_errno(safe_ioctl(fd, ie->host_cmd, buf_temp));
5447
5448 assert(host_rt_dev_ptr != NULL);
5449 assert(target_rt_dev_ptr != NULL);
5450 if (*host_rt_dev_ptr != 0) {
5451 unlock_user((void *)*host_rt_dev_ptr,
5452 *target_rt_dev_ptr, 0);
5453 }
5454 return ret;
5455}
5456
5457static abi_long do_ioctl_kdsigaccept(const IOCTLEntry *ie, uint8_t *buf_temp,
5458 int fd, int cmd, abi_long arg)
5459{
5460 int sig = target_to_host_signal(arg);
5461 return get_errno(safe_ioctl(fd, ie->host_cmd, sig));
5462}
5463
5464static abi_long do_ioctl_SIOCGSTAMP(const IOCTLEntry *ie, uint8_t *buf_temp,
5465 int fd, int cmd, abi_long arg)
5466{
5467 struct timeval tv;
5468 abi_long ret;
5469
5470 ret = get_errno(safe_ioctl(fd, SIOCGSTAMP, &tv));
5471 if (is_error(ret)) {
5472 return ret;
5473 }
5474
5475 if (cmd == (int)TARGET_SIOCGSTAMP_OLD) {
5476 if (copy_to_user_timeval(arg, &tv)) {
5477 return -TARGET_EFAULT;
5478 }
5479 } else {
5480 if (copy_to_user_timeval64(arg, &tv)) {
5481 return -TARGET_EFAULT;
5482 }
5483 }
5484
5485 return ret;
5486}
5487
5488static abi_long do_ioctl_SIOCGSTAMPNS(const IOCTLEntry *ie, uint8_t *buf_temp,
5489 int fd, int cmd, abi_long arg)
5490{
5491 struct timespec ts;
5492 abi_long ret;
5493
5494 ret = get_errno(safe_ioctl(fd, SIOCGSTAMPNS, &ts));
5495 if (is_error(ret)) {
5496 return ret;
5497 }
5498
5499 if (cmd == (int)TARGET_SIOCGSTAMPNS_OLD) {
5500 if (host_to_target_timespec(arg, &ts)) {
5501 return -TARGET_EFAULT;
5502 }
5503 } else{
5504 if (host_to_target_timespec64(arg, &ts)) {
5505 return -TARGET_EFAULT;
5506 }
5507 }
5508
5509 return ret;
5510}
5511
5512#ifdef TIOCGPTPEER
5513static abi_long do_ioctl_tiocgptpeer(const IOCTLEntry *ie, uint8_t *buf_temp,
5514 int fd, int cmd, abi_long arg)
5515{
5516 int flags = target_to_host_bitmask(arg, fcntl_flags_tbl);
5517 return get_errno(safe_ioctl(fd, ie->host_cmd, flags));
5518}
5519#endif
5520
5521#ifdef HAVE_DRM_H
5522
5523static void unlock_drm_version(struct drm_version *host_ver,
5524 struct target_drm_version *target_ver,
5525 bool copy)
5526{
5527 unlock_user(host_ver->name, target_ver->name,
5528 copy ? host_ver->name_len : 0);
5529 unlock_user(host_ver->date, target_ver->date,
5530 copy ? host_ver->date_len : 0);
5531 unlock_user(host_ver->desc, target_ver->desc,
5532 copy ? host_ver->desc_len : 0);
5533}
5534
5535static inline abi_long target_to_host_drmversion(struct drm_version *host_ver,
5536 struct target_drm_version *target_ver)
5537{
5538 memset(host_ver, 0, sizeof(*host_ver));
5539
5540 __get_user(host_ver->name_len, &target_ver->name_len);
5541 if (host_ver->name_len) {
5542 host_ver->name = lock_user(VERIFY_WRITE, target_ver->name,
5543 target_ver->name_len, 0);
5544 if (!host_ver->name) {
5545 return -EFAULT;
5546 }
5547 }
5548
5549 __get_user(host_ver->date_len, &target_ver->date_len);
5550 if (host_ver->date_len) {
5551 host_ver->date = lock_user(VERIFY_WRITE, target_ver->date,
5552 target_ver->date_len, 0);
5553 if (!host_ver->date) {
5554 goto err;
5555 }
5556 }
5557
5558 __get_user(host_ver->desc_len, &target_ver->desc_len);
5559 if (host_ver->desc_len) {
5560 host_ver->desc = lock_user(VERIFY_WRITE, target_ver->desc,
5561 target_ver->desc_len, 0);
5562 if (!host_ver->desc) {
5563 goto err;
5564 }
5565 }
5566
5567 return 0;
5568err:
5569 unlock_drm_version(host_ver, target_ver, false);
5570 return -EFAULT;
5571}
5572
5573static inline void host_to_target_drmversion(
5574 struct target_drm_version *target_ver,
5575 struct drm_version *host_ver)
5576{
5577 __put_user(host_ver->version_major, &target_ver->version_major);
5578 __put_user(host_ver->version_minor, &target_ver->version_minor);
5579 __put_user(host_ver->version_patchlevel, &target_ver->version_patchlevel);
5580 __put_user(host_ver->name_len, &target_ver->name_len);
5581 __put_user(host_ver->date_len, &target_ver->date_len);
5582 __put_user(host_ver->desc_len, &target_ver->desc_len);
5583 unlock_drm_version(host_ver, target_ver, true);
5584}
5585
5586static abi_long do_ioctl_drm(const IOCTLEntry *ie, uint8_t *buf_temp,
5587 int fd, int cmd, abi_long arg)
5588{
5589 struct drm_version *ver;
5590 struct target_drm_version *target_ver;
5591 abi_long ret;
5592
5593 switch (ie->host_cmd) {
5594 case DRM_IOCTL_VERSION:
5595 if (!lock_user_struct(VERIFY_WRITE, target_ver, arg, 0)) {
5596 return -TARGET_EFAULT;
5597 }
5598 ver = (struct drm_version *)buf_temp;
5599 ret = target_to_host_drmversion(ver, target_ver);
5600 if (!is_error(ret)) {
5601 ret = get_errno(safe_ioctl(fd, ie->host_cmd, ver));
5602 if (is_error(ret)) {
5603 unlock_drm_version(ver, target_ver, false);
5604 } else {
5605 host_to_target_drmversion(target_ver, ver);
5606 }
5607 }
5608 unlock_user_struct(target_ver, arg, 0);
5609 return ret;
5610 }
5611 return -TARGET_ENOSYS;
5612}
5613
5614static abi_long do_ioctl_drm_i915_getparam(const IOCTLEntry *ie,
5615 struct drm_i915_getparam *gparam,
5616 int fd, abi_long arg)
5617{
5618 abi_long ret;
5619 int value;
5620 struct target_drm_i915_getparam *target_gparam;
5621
5622 if (!lock_user_struct(VERIFY_READ, target_gparam, arg, 0)) {
5623 return -TARGET_EFAULT;
5624 }
5625
5626 __get_user(gparam->param, &target_gparam->param);
5627 gparam->value = &value;
5628 ret = get_errno(safe_ioctl(fd, ie->host_cmd, gparam));
5629 put_user_s32(value, target_gparam->value);
5630
5631 unlock_user_struct(target_gparam, arg, 0);
5632 return ret;
5633}
5634
5635static abi_long do_ioctl_drm_i915(const IOCTLEntry *ie, uint8_t *buf_temp,
5636 int fd, int cmd, abi_long arg)
5637{
5638 switch (ie->host_cmd) {
5639 case DRM_IOCTL_I915_GETPARAM:
5640 return do_ioctl_drm_i915_getparam(ie,
5641 (struct drm_i915_getparam *)buf_temp,
5642 fd, arg);
5643 default:
5644 return -TARGET_ENOSYS;
5645 }
5646}
5647
5648#endif
5649
5650static abi_long do_ioctl_TUNSETTXFILTER(const IOCTLEntry *ie, uint8_t *buf_temp,
5651 int fd, int cmd, abi_long arg)
5652{
5653 struct tun_filter *filter = (struct tun_filter *)buf_temp;
5654 struct tun_filter *target_filter;
5655 char *target_addr;
5656
5657 assert(ie->access == IOC_W);
5658
5659 target_filter = lock_user(VERIFY_READ, arg, sizeof(*target_filter), 1);
5660 if (!target_filter) {
5661 return -TARGET_EFAULT;
5662 }
5663 filter->flags = tswap16(target_filter->flags);
5664 filter->count = tswap16(target_filter->count);
5665 unlock_user(target_filter, arg, 0);
5666
5667 if (filter->count) {
5668 if (offsetof(struct tun_filter, addr) + filter->count * ETH_ALEN >
5669 MAX_STRUCT_SIZE) {
5670 return -TARGET_EFAULT;
5671 }
5672
5673 target_addr = lock_user(VERIFY_READ,
5674 arg + offsetof(struct tun_filter, addr),
5675 filter->count * ETH_ALEN, 1);
5676 if (!target_addr) {
5677 return -TARGET_EFAULT;
5678 }
5679 memcpy(filter->addr, target_addr, filter->count * ETH_ALEN);
5680 unlock_user(target_addr, arg + offsetof(struct tun_filter, addr), 0);
5681 }
5682
5683 return get_errno(safe_ioctl(fd, ie->host_cmd, filter));
5684}
5685
5686IOCTLEntry ioctl_entries[] = {
5687#define IOCTL(cmd, access, ...) \
5688 { TARGET_ ## cmd, cmd, #cmd, access, 0, { __VA_ARGS__ } },
5689#define IOCTL_SPECIAL(cmd, access, dofn, ...) \
5690 { TARGET_ ## cmd, cmd, #cmd, access, dofn, { __VA_ARGS__ } },
5691#define IOCTL_IGNORE(cmd) \
5692 { TARGET_ ## cmd, 0, #cmd },
5693#include "ioctls.h"
5694 { 0, 0, },
5695};
5696
5697
5698
5699static abi_long do_ioctl(int fd, int cmd, abi_long arg)
5700{
5701 const IOCTLEntry *ie;
5702 const argtype *arg_type;
5703 abi_long ret;
5704 uint8_t buf_temp[MAX_STRUCT_SIZE];
5705 int target_size;
5706 void *argptr;
5707
5708 ie = ioctl_entries;
5709 for(;;) {
5710 if (ie->target_cmd == 0) {
5711 qemu_log_mask(
5712 LOG_UNIMP, "Unsupported ioctl: cmd=0x%04lx\n", (long)cmd);
5713 return -TARGET_ENOSYS;
5714 }
5715 if (ie->target_cmd == cmd)
5716 break;
5717 ie++;
5718 }
5719 arg_type = ie->arg_type;
5720 if (ie->do_ioctl) {
5721 return ie->do_ioctl(ie, buf_temp, fd, cmd, arg);
5722 } else if (!ie->host_cmd) {
5723
5724
5725 return -TARGET_ENOSYS;
5726 }
5727
5728 switch(arg_type[0]) {
5729 case TYPE_NULL:
5730
5731 ret = get_errno(safe_ioctl(fd, ie->host_cmd));
5732 break;
5733 case TYPE_PTRVOID:
5734 case TYPE_INT:
5735 case TYPE_LONG:
5736 case TYPE_ULONG:
5737 ret = get_errno(safe_ioctl(fd, ie->host_cmd, arg));
5738 break;
5739 case TYPE_PTR:
5740 arg_type++;
5741 target_size = thunk_type_size(arg_type, 0);
5742 switch(ie->access) {
5743 case IOC_R:
5744 ret = get_errno(safe_ioctl(fd, ie->host_cmd, buf_temp));
5745 if (!is_error(ret)) {
5746 argptr = lock_user(VERIFY_WRITE, arg, target_size, 0);
5747 if (!argptr)
5748 return -TARGET_EFAULT;
5749 thunk_convert(argptr, buf_temp, arg_type, THUNK_TARGET);
5750 unlock_user(argptr, arg, target_size);
5751 }
5752 break;
5753 case IOC_W:
5754 argptr = lock_user(VERIFY_READ, arg, target_size, 1);
5755 if (!argptr)
5756 return -TARGET_EFAULT;
5757 thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST);
5758 unlock_user(argptr, arg, 0);
5759 ret = get_errno(safe_ioctl(fd, ie->host_cmd, buf_temp));
5760 break;
5761 default:
5762 case IOC_RW:
5763 argptr = lock_user(VERIFY_READ, arg, target_size, 1);
5764 if (!argptr)
5765 return -TARGET_EFAULT;
5766 thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST);
5767 unlock_user(argptr, arg, 0);
5768 ret = get_errno(safe_ioctl(fd, ie->host_cmd, buf_temp));
5769 if (!is_error(ret)) {
5770 argptr = lock_user(VERIFY_WRITE, arg, target_size, 0);
5771 if (!argptr)
5772 return -TARGET_EFAULT;
5773 thunk_convert(argptr, buf_temp, arg_type, THUNK_TARGET);
5774 unlock_user(argptr, arg, target_size);
5775 }
5776 break;
5777 }
5778 break;
5779 default:
5780 qemu_log_mask(LOG_UNIMP,
5781 "Unsupported ioctl type: cmd=0x%04lx type=%d\n",
5782 (long)cmd, arg_type[0]);
5783 ret = -TARGET_ENOSYS;
5784 break;
5785 }
5786 return ret;
5787}
5788
5789static const bitmask_transtbl iflag_tbl[] = {
5790 { TARGET_IGNBRK, TARGET_IGNBRK, IGNBRK, IGNBRK },
5791 { TARGET_BRKINT, TARGET_BRKINT, BRKINT, BRKINT },
5792 { TARGET_IGNPAR, TARGET_IGNPAR, IGNPAR, IGNPAR },
5793 { TARGET_PARMRK, TARGET_PARMRK, PARMRK, PARMRK },
5794 { TARGET_INPCK, TARGET_INPCK, INPCK, INPCK },
5795 { TARGET_ISTRIP, TARGET_ISTRIP, ISTRIP, ISTRIP },
5796 { TARGET_INLCR, TARGET_INLCR, INLCR, INLCR },
5797 { TARGET_IGNCR, TARGET_IGNCR, IGNCR, IGNCR },
5798 { TARGET_ICRNL, TARGET_ICRNL, ICRNL, ICRNL },
5799 { TARGET_IUCLC, TARGET_IUCLC, IUCLC, IUCLC },
5800 { TARGET_IXON, TARGET_IXON, IXON, IXON },
5801 { TARGET_IXANY, TARGET_IXANY, IXANY, IXANY },
5802 { TARGET_IXOFF, TARGET_IXOFF, IXOFF, IXOFF },
5803 { TARGET_IMAXBEL, TARGET_IMAXBEL, IMAXBEL, IMAXBEL },
5804 { TARGET_IUTF8, TARGET_IUTF8, IUTF8, IUTF8},
5805 { 0, 0, 0, 0 }
5806};
5807
5808static const bitmask_transtbl oflag_tbl[] = {
5809 { TARGET_OPOST, TARGET_OPOST, OPOST, OPOST },
5810 { TARGET_OLCUC, TARGET_OLCUC, OLCUC, OLCUC },
5811 { TARGET_ONLCR, TARGET_ONLCR, ONLCR, ONLCR },
5812 { TARGET_OCRNL, TARGET_OCRNL, OCRNL, OCRNL },
5813 { TARGET_ONOCR, TARGET_ONOCR, ONOCR, ONOCR },
5814 { TARGET_ONLRET, TARGET_ONLRET, ONLRET, ONLRET },
5815 { TARGET_OFILL, TARGET_OFILL, OFILL, OFILL },
5816 { TARGET_OFDEL, TARGET_OFDEL, OFDEL, OFDEL },
5817 { TARGET_NLDLY, TARGET_NL0, NLDLY, NL0 },
5818 { TARGET_NLDLY, TARGET_NL1, NLDLY, NL1 },
5819 { TARGET_CRDLY, TARGET_CR0, CRDLY, CR0 },
5820 { TARGET_CRDLY, TARGET_CR1, CRDLY, CR1 },
5821 { TARGET_CRDLY, TARGET_CR2, CRDLY, CR2 },
5822 { TARGET_CRDLY, TARGET_CR3, CRDLY, CR3 },
5823 { TARGET_TABDLY, TARGET_TAB0, TABDLY, TAB0 },
5824 { TARGET_TABDLY, TARGET_TAB1, TABDLY, TAB1 },
5825 { TARGET_TABDLY, TARGET_TAB2, TABDLY, TAB2 },
5826 { TARGET_TABDLY, TARGET_TAB3, TABDLY, TAB3 },
5827 { TARGET_BSDLY, TARGET_BS0, BSDLY, BS0 },
5828 { TARGET_BSDLY, TARGET_BS1, BSDLY, BS1 },
5829 { TARGET_VTDLY, TARGET_VT0, VTDLY, VT0 },
5830 { TARGET_VTDLY, TARGET_VT1, VTDLY, VT1 },
5831 { TARGET_FFDLY, TARGET_FF0, FFDLY, FF0 },
5832 { TARGET_FFDLY, TARGET_FF1, FFDLY, FF1 },
5833 { 0, 0, 0, 0 }
5834};
5835
5836static const bitmask_transtbl cflag_tbl[] = {
5837 { TARGET_CBAUD, TARGET_B0, CBAUD, B0 },
5838 { TARGET_CBAUD, TARGET_B50, CBAUD, B50 },
5839 { TARGET_CBAUD, TARGET_B75, CBAUD, B75 },
5840 { TARGET_CBAUD, TARGET_B110, CBAUD, B110 },
5841 { TARGET_CBAUD, TARGET_B134, CBAUD, B134 },
5842 { TARGET_CBAUD, TARGET_B150, CBAUD, B150 },
5843 { TARGET_CBAUD, TARGET_B200, CBAUD, B200 },
5844 { TARGET_CBAUD, TARGET_B300, CBAUD, B300 },
5845 { TARGET_CBAUD, TARGET_B600, CBAUD, B600 },
5846 { TARGET_CBAUD, TARGET_B1200, CBAUD, B1200 },
5847 { TARGET_CBAUD, TARGET_B1800, CBAUD, B1800 },
5848 { TARGET_CBAUD, TARGET_B2400, CBAUD, B2400 },
5849 { TARGET_CBAUD, TARGET_B4800, CBAUD, B4800 },
5850 { TARGET_CBAUD, TARGET_B9600, CBAUD, B9600 },
5851 { TARGET_CBAUD, TARGET_B19200, CBAUD, B19200 },
5852 { TARGET_CBAUD, TARGET_B38400, CBAUD, B38400 },
5853 { TARGET_CBAUD, TARGET_B57600, CBAUD, B57600 },
5854 { TARGET_CBAUD, TARGET_B115200, CBAUD, B115200 },
5855 { TARGET_CBAUD, TARGET_B230400, CBAUD, B230400 },
5856 { TARGET_CBAUD, TARGET_B460800, CBAUD, B460800 },
5857 { TARGET_CSIZE, TARGET_CS5, CSIZE, CS5 },
5858 { TARGET_CSIZE, TARGET_CS6, CSIZE, CS6 },
5859 { TARGET_CSIZE, TARGET_CS7, CSIZE, CS7 },
5860 { TARGET_CSIZE, TARGET_CS8, CSIZE, CS8 },
5861 { TARGET_CSTOPB, TARGET_CSTOPB, CSTOPB, CSTOPB },
5862 { TARGET_CREAD, TARGET_CREAD, CREAD, CREAD },
5863 { TARGET_PARENB, TARGET_PARENB, PARENB, PARENB },
5864 { TARGET_PARODD, TARGET_PARODD, PARODD, PARODD },
5865 { TARGET_HUPCL, TARGET_HUPCL, HUPCL, HUPCL },
5866 { TARGET_CLOCAL, TARGET_CLOCAL, CLOCAL, CLOCAL },
5867 { TARGET_CRTSCTS, TARGET_CRTSCTS, CRTSCTS, CRTSCTS },
5868 { 0, 0, 0, 0 }
5869};
5870
5871static const bitmask_transtbl lflag_tbl[] = {
5872 { TARGET_ISIG, TARGET_ISIG, ISIG, ISIG },
5873 { TARGET_ICANON, TARGET_ICANON, ICANON, ICANON },
5874 { TARGET_XCASE, TARGET_XCASE, XCASE, XCASE },
5875 { TARGET_ECHO, TARGET_ECHO, ECHO, ECHO },
5876 { TARGET_ECHOE, TARGET_ECHOE, ECHOE, ECHOE },
5877 { TARGET_ECHOK, TARGET_ECHOK, ECHOK, ECHOK },
5878 { TARGET_ECHONL, TARGET_ECHONL, ECHONL, ECHONL },
5879 { TARGET_NOFLSH, TARGET_NOFLSH, NOFLSH, NOFLSH },
5880 { TARGET_TOSTOP, TARGET_TOSTOP, TOSTOP, TOSTOP },
5881 { TARGET_ECHOCTL, TARGET_ECHOCTL, ECHOCTL, ECHOCTL },
5882 { TARGET_ECHOPRT, TARGET_ECHOPRT, ECHOPRT, ECHOPRT },
5883 { TARGET_ECHOKE, TARGET_ECHOKE, ECHOKE, ECHOKE },
5884 { TARGET_FLUSHO, TARGET_FLUSHO, FLUSHO, FLUSHO },
5885 { TARGET_PENDIN, TARGET_PENDIN, PENDIN, PENDIN },
5886 { TARGET_IEXTEN, TARGET_IEXTEN, IEXTEN, IEXTEN },
5887 { TARGET_EXTPROC, TARGET_EXTPROC, EXTPROC, EXTPROC},
5888 { 0, 0, 0, 0 }
5889};
5890
5891static void target_to_host_termios (void *dst, const void *src)
5892{
5893 struct host_termios *host = dst;
5894 const struct target_termios *target = src;
5895
5896 host->c_iflag =
5897 target_to_host_bitmask(tswap32(target->c_iflag), iflag_tbl);
5898 host->c_oflag =
5899 target_to_host_bitmask(tswap32(target->c_oflag), oflag_tbl);
5900 host->c_cflag =
5901 target_to_host_bitmask(tswap32(target->c_cflag), cflag_tbl);
5902 host->c_lflag =
5903 target_to_host_bitmask(tswap32(target->c_lflag), lflag_tbl);
5904 host->c_line = target->c_line;
5905
5906 memset(host->c_cc, 0, sizeof(host->c_cc));
5907 host->c_cc[VINTR] = target->c_cc[TARGET_VINTR];
5908 host->c_cc[VQUIT] = target->c_cc[TARGET_VQUIT];
5909 host->c_cc[VERASE] = target->c_cc[TARGET_VERASE];
5910 host->c_cc[VKILL] = target->c_cc[TARGET_VKILL];
5911 host->c_cc[VEOF] = target->c_cc[TARGET_VEOF];
5912 host->c_cc[VTIME] = target->c_cc[TARGET_VTIME];
5913 host->c_cc[VMIN] = target->c_cc[TARGET_VMIN];
5914 host->c_cc[VSWTC] = target->c_cc[TARGET_VSWTC];
5915 host->c_cc[VSTART] = target->c_cc[TARGET_VSTART];
5916 host->c_cc[VSTOP] = target->c_cc[TARGET_VSTOP];
5917 host->c_cc[VSUSP] = target->c_cc[TARGET_VSUSP];
5918 host->c_cc[VEOL] = target->c_cc[TARGET_VEOL];
5919 host->c_cc[VREPRINT] = target->c_cc[TARGET_VREPRINT];
5920 host->c_cc[VDISCARD] = target->c_cc[TARGET_VDISCARD];
5921 host->c_cc[VWERASE] = target->c_cc[TARGET_VWERASE];
5922 host->c_cc[VLNEXT] = target->c_cc[TARGET_VLNEXT];
5923 host->c_cc[VEOL2] = target->c_cc[TARGET_VEOL2];
5924}
5925
5926static void host_to_target_termios (void *dst, const void *src)
5927{
5928 struct target_termios *target = dst;
5929 const struct host_termios *host = src;
5930
5931 target->c_iflag =
5932 tswap32(host_to_target_bitmask(host->c_iflag, iflag_tbl));
5933 target->c_oflag =
5934 tswap32(host_to_target_bitmask(host->c_oflag, oflag_tbl));
5935 target->c_cflag =
5936 tswap32(host_to_target_bitmask(host->c_cflag, cflag_tbl));
5937 target->c_lflag =
5938 tswap32(host_to_target_bitmask(host->c_lflag, lflag_tbl));
5939 target->c_line = host->c_line;
5940
5941 memset(target->c_cc, 0, sizeof(target->c_cc));
5942 target->c_cc[TARGET_VINTR] = host->c_cc[VINTR];
5943 target->c_cc[TARGET_VQUIT] = host->c_cc[VQUIT];
5944 target->c_cc[TARGET_VERASE] = host->c_cc[VERASE];
5945 target->c_cc[TARGET_VKILL] = host->c_cc[VKILL];
5946 target->c_cc[TARGET_VEOF] = host->c_cc[VEOF];
5947 target->c_cc[TARGET_VTIME] = host->c_cc[VTIME];
5948 target->c_cc[TARGET_VMIN] = host->c_cc[VMIN];
5949 target->c_cc[TARGET_VSWTC] = host->c_cc[VSWTC];
5950 target->c_cc[TARGET_VSTART] = host->c_cc[VSTART];
5951 target->c_cc[TARGET_VSTOP] = host->c_cc[VSTOP];
5952 target->c_cc[TARGET_VSUSP] = host->c_cc[VSUSP];
5953 target->c_cc[TARGET_VEOL] = host->c_cc[VEOL];
5954 target->c_cc[TARGET_VREPRINT] = host->c_cc[VREPRINT];
5955 target->c_cc[TARGET_VDISCARD] = host->c_cc[VDISCARD];
5956 target->c_cc[TARGET_VWERASE] = host->c_cc[VWERASE];
5957 target->c_cc[TARGET_VLNEXT] = host->c_cc[VLNEXT];
5958 target->c_cc[TARGET_VEOL2] = host->c_cc[VEOL2];
5959}
5960
5961static const StructEntry struct_termios_def = {
5962 .convert = { host_to_target_termios, target_to_host_termios },
5963 .size = { sizeof(struct target_termios), sizeof(struct host_termios) },
5964 .align = { __alignof__(struct target_termios), __alignof__(struct host_termios) },
5965 .print = print_termios,
5966};
5967
5968static const bitmask_transtbl mmap_flags_tbl[] = {
5969 { TARGET_MAP_SHARED, TARGET_MAP_SHARED, MAP_SHARED, MAP_SHARED },
5970 { TARGET_MAP_PRIVATE, TARGET_MAP_PRIVATE, MAP_PRIVATE, MAP_PRIVATE },
5971 { TARGET_MAP_FIXED, TARGET_MAP_FIXED, MAP_FIXED, MAP_FIXED },
5972 { TARGET_MAP_ANONYMOUS, TARGET_MAP_ANONYMOUS,
5973 MAP_ANONYMOUS, MAP_ANONYMOUS },
5974 { TARGET_MAP_GROWSDOWN, TARGET_MAP_GROWSDOWN,
5975 MAP_GROWSDOWN, MAP_GROWSDOWN },
5976 { TARGET_MAP_DENYWRITE, TARGET_MAP_DENYWRITE,
5977 MAP_DENYWRITE, MAP_DENYWRITE },
5978 { TARGET_MAP_EXECUTABLE, TARGET_MAP_EXECUTABLE,
5979 MAP_EXECUTABLE, MAP_EXECUTABLE },
5980 { TARGET_MAP_LOCKED, TARGET_MAP_LOCKED, MAP_LOCKED, MAP_LOCKED },
5981 { TARGET_MAP_NORESERVE, TARGET_MAP_NORESERVE,
5982 MAP_NORESERVE, MAP_NORESERVE },
5983 { TARGET_MAP_HUGETLB, TARGET_MAP_HUGETLB, MAP_HUGETLB, MAP_HUGETLB },
5984
5985
5986
5987 { TARGET_MAP_STACK, TARGET_MAP_STACK, 0, 0 },
5988 { 0, 0, 0, 0 }
5989};
5990
5991
5992
5993
5994
5995#if defined(TARGET_I386)
5996
5997
5998static uint8_t *ldt_table;
5999
6000static abi_long read_ldt(abi_ulong ptr, unsigned long bytecount)
6001{
6002 int size;
6003 void *p;
6004
6005 if (!ldt_table)
6006 return 0;
6007 size = TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE;
6008 if (size > bytecount)
6009 size = bytecount;
6010 p = lock_user(VERIFY_WRITE, ptr, size, 0);
6011 if (!p)
6012 return -TARGET_EFAULT;
6013
6014 memcpy(p, ldt_table, size);
6015 unlock_user(p, ptr, size);
6016 return size;
6017}
6018
6019
6020static abi_long write_ldt(CPUX86State *env,
6021 abi_ulong ptr, unsigned long bytecount, int oldmode)
6022{
6023 struct target_modify_ldt_ldt_s ldt_info;
6024 struct target_modify_ldt_ldt_s *target_ldt_info;
6025 int seg_32bit, contents, read_exec_only, limit_in_pages;
6026 int seg_not_present, useable, lm;
6027 uint32_t *lp, entry_1, entry_2;
6028
6029 if (bytecount != sizeof(ldt_info))
6030 return -TARGET_EINVAL;
6031 if (!lock_user_struct(VERIFY_READ, target_ldt_info, ptr, 1))
6032 return -TARGET_EFAULT;
6033 ldt_info.entry_number = tswap32(target_ldt_info->entry_number);
6034 ldt_info.base_addr = tswapal(target_ldt_info->base_addr);
6035 ldt_info.limit = tswap32(target_ldt_info->limit);
6036 ldt_info.flags = tswap32(target_ldt_info->flags);
6037 unlock_user_struct(target_ldt_info, ptr, 0);
6038
6039 if (ldt_info.entry_number >= TARGET_LDT_ENTRIES)
6040 return -TARGET_EINVAL;
6041 seg_32bit = ldt_info.flags & 1;
6042 contents = (ldt_info.flags >> 1) & 3;
6043 read_exec_only = (ldt_info.flags >> 3) & 1;
6044 limit_in_pages = (ldt_info.flags >> 4) & 1;
6045 seg_not_present = (ldt_info.flags >> 5) & 1;
6046 useable = (ldt_info.flags >> 6) & 1;
6047#ifdef TARGET_ABI32
6048 lm = 0;
6049#else
6050 lm = (ldt_info.flags >> 7) & 1;
6051#endif
6052 if (contents == 3) {
6053 if (oldmode)
6054 return -TARGET_EINVAL;
6055 if (seg_not_present == 0)
6056 return -TARGET_EINVAL;
6057 }
6058
6059 if (!ldt_table) {
6060 env->ldt.base = target_mmap(0,
6061 TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE,
6062 PROT_READ|PROT_WRITE,
6063 MAP_ANONYMOUS|MAP_PRIVATE, -1, 0);
6064 if (env->ldt.base == -1)
6065 return -TARGET_ENOMEM;
6066 memset(g2h_untagged(env->ldt.base), 0,
6067 TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE);
6068 env->ldt.limit = 0xffff;
6069 ldt_table = g2h_untagged(env->ldt.base);
6070 }
6071
6072
6073
6074 if (ldt_info.base_addr == 0 && ldt_info.limit == 0) {
6075 if (oldmode ||
6076 (contents == 0 &&
6077 read_exec_only == 1 &&
6078 seg_32bit == 0 &&
6079 limit_in_pages == 0 &&
6080 seg_not_present == 1 &&
6081 useable == 0 )) {
6082 entry_1 = 0;
6083 entry_2 = 0;
6084 goto install;
6085 }
6086 }
6087
6088 entry_1 = ((ldt_info.base_addr & 0x0000ffff) << 16) |
6089 (ldt_info.limit & 0x0ffff);
6090 entry_2 = (ldt_info.base_addr & 0xff000000) |
6091 ((ldt_info.base_addr & 0x00ff0000) >> 16) |
6092 (ldt_info.limit & 0xf0000) |
6093 ((read_exec_only ^ 1) << 9) |
6094 (contents << 10) |
6095 ((seg_not_present ^ 1) << 15) |
6096 (seg_32bit << 22) |
6097 (limit_in_pages << 23) |
6098 (lm << 21) |
6099 0x7000;
6100 if (!oldmode)
6101 entry_2 |= (useable << 20);
6102
6103
6104install:
6105 lp = (uint32_t *)(ldt_table + (ldt_info.entry_number << 3));
6106 lp[0] = tswap32(entry_1);
6107 lp[1] = tswap32(entry_2);
6108 return 0;
6109}
6110
6111
6112static abi_long do_modify_ldt(CPUX86State *env, int func, abi_ulong ptr,
6113 unsigned long bytecount)
6114{
6115 abi_long ret;
6116
6117 switch (func) {
6118 case 0:
6119 ret = read_ldt(ptr, bytecount);
6120 break;
6121 case 1:
6122 ret = write_ldt(env, ptr, bytecount, 1);
6123 break;
6124 case 0x11:
6125 ret = write_ldt(env, ptr, bytecount, 0);
6126 break;
6127 default:
6128 ret = -TARGET_ENOSYS;
6129 break;
6130 }
6131 return ret;
6132}
6133
6134#if defined(TARGET_ABI32)
6135abi_long do_set_thread_area(CPUX86State *env, abi_ulong ptr)
6136{
6137 uint64_t *gdt_table = g2h_untagged(env->gdt.base);
6138 struct target_modify_ldt_ldt_s ldt_info;
6139 struct target_modify_ldt_ldt_s *target_ldt_info;
6140 int seg_32bit, contents, read_exec_only, limit_in_pages;
6141 int seg_not_present, useable, lm;
6142 uint32_t *lp, entry_1, entry_2;
6143 int i;
6144
6145 lock_user_struct(VERIFY_WRITE, target_ldt_info, ptr, 1);
6146 if (!target_ldt_info)
6147 return -TARGET_EFAULT;
6148 ldt_info.entry_number = tswap32(target_ldt_info->entry_number);
6149 ldt_info.base_addr = tswapal(target_ldt_info->base_addr);
6150 ldt_info.limit = tswap32(target_ldt_info->limit);
6151 ldt_info.flags = tswap32(target_ldt_info->flags);
6152 if (ldt_info.entry_number == -1) {
6153 for (i=TARGET_GDT_ENTRY_TLS_MIN; i<=TARGET_GDT_ENTRY_TLS_MAX; i++) {
6154 if (gdt_table[i] == 0) {
6155 ldt_info.entry_number = i;
6156 target_ldt_info->entry_number = tswap32(i);
6157 break;
6158 }
6159 }
6160 }
6161 unlock_user_struct(target_ldt_info, ptr, 1);
6162
6163 if (ldt_info.entry_number < TARGET_GDT_ENTRY_TLS_MIN ||
6164 ldt_info.entry_number > TARGET_GDT_ENTRY_TLS_MAX)
6165 return -TARGET_EINVAL;
6166 seg_32bit = ldt_info.flags & 1;
6167 contents = (ldt_info.flags >> 1) & 3;
6168 read_exec_only = (ldt_info.flags >> 3) & 1;
6169 limit_in_pages = (ldt_info.flags >> 4) & 1;
6170 seg_not_present = (ldt_info.flags >> 5) & 1;
6171 useable = (ldt_info.flags >> 6) & 1;
6172#ifdef TARGET_ABI32
6173 lm = 0;
6174#else
6175 lm = (ldt_info.flags >> 7) & 1;
6176#endif
6177
6178 if (contents == 3) {
6179 if (seg_not_present == 0)
6180 return -TARGET_EINVAL;
6181 }
6182
6183
6184
6185 if (ldt_info.base_addr == 0 && ldt_info.limit == 0) {
6186 if ((contents == 0 &&
6187 read_exec_only == 1 &&
6188 seg_32bit == 0 &&
6189 limit_in_pages == 0 &&
6190 seg_not_present == 1 &&
6191 useable == 0 )) {
6192 entry_1 = 0;
6193 entry_2 = 0;
6194 goto install;
6195 }
6196 }
6197
6198 entry_1 = ((ldt_info.base_addr & 0x0000ffff) << 16) |
6199 (ldt_info.limit & 0x0ffff);
6200 entry_2 = (ldt_info.base_addr & 0xff000000) |
6201 ((ldt_info.base_addr & 0x00ff0000) >> 16) |
6202 (ldt_info.limit & 0xf0000) |
6203 ((read_exec_only ^ 1) << 9) |
6204 (contents << 10) |
6205 ((seg_not_present ^ 1) << 15) |
6206 (seg_32bit << 22) |
6207 (limit_in_pages << 23) |
6208 (useable << 20) |
6209 (lm << 21) |
6210 0x7000;
6211
6212
6213install:
6214 lp = (uint32_t *)(gdt_table + ldt_info.entry_number);
6215 lp[0] = tswap32(entry_1);
6216 lp[1] = tswap32(entry_2);
6217 return 0;
6218}
6219
6220static abi_long do_get_thread_area(CPUX86State *env, abi_ulong ptr)
6221{
6222 struct target_modify_ldt_ldt_s *target_ldt_info;
6223 uint64_t *gdt_table = g2h_untagged(env->gdt.base);
6224 uint32_t base_addr, limit, flags;
6225 int seg_32bit, contents, read_exec_only, limit_in_pages, idx;
6226 int seg_not_present, useable, lm;
6227 uint32_t *lp, entry_1, entry_2;
6228
6229 lock_user_struct(VERIFY_WRITE, target_ldt_info, ptr, 1);
6230 if (!target_ldt_info)
6231 return -TARGET_EFAULT;
6232 idx = tswap32(target_ldt_info->entry_number);
6233 if (idx < TARGET_GDT_ENTRY_TLS_MIN ||
6234 idx > TARGET_GDT_ENTRY_TLS_MAX) {
6235 unlock_user_struct(target_ldt_info, ptr, 1);
6236 return -TARGET_EINVAL;
6237 }
6238 lp = (uint32_t *)(gdt_table + idx);
6239 entry_1 = tswap32(lp[0]);
6240 entry_2 = tswap32(lp[1]);
6241
6242 read_exec_only = ((entry_2 >> 9) & 1) ^ 1;
6243 contents = (entry_2 >> 10) & 3;
6244 seg_not_present = ((entry_2 >> 15) & 1) ^ 1;
6245 seg_32bit = (entry_2 >> 22) & 1;
6246 limit_in_pages = (entry_2 >> 23) & 1;
6247 useable = (entry_2 >> 20) & 1;
6248#ifdef TARGET_ABI32
6249 lm = 0;
6250#else
6251 lm = (entry_2 >> 21) & 1;
6252#endif
6253 flags = (seg_32bit << 0) | (contents << 1) |
6254 (read_exec_only << 3) | (limit_in_pages << 4) |
6255 (seg_not_present << 5) | (useable << 6) | (lm << 7);
6256 limit = (entry_1 & 0xffff) | (entry_2 & 0xf0000);
6257 base_addr = (entry_1 >> 16) |
6258 (entry_2 & 0xff000000) |
6259 ((entry_2 & 0xff) << 16);
6260 target_ldt_info->base_addr = tswapal(base_addr);
6261 target_ldt_info->limit = tswap32(limit);
6262 target_ldt_info->flags = tswap32(flags);
6263 unlock_user_struct(target_ldt_info, ptr, 1);
6264 return 0;
6265}
6266
6267abi_long do_arch_prctl(CPUX86State *env, int code, abi_ulong addr)
6268{
6269 return -TARGET_ENOSYS;
6270}
6271#else
6272abi_long do_arch_prctl(CPUX86State *env, int code, abi_ulong addr)
6273{
6274 abi_long ret = 0;
6275 abi_ulong val;
6276 int idx;
6277
6278 switch(code) {
6279 case TARGET_ARCH_SET_GS:
6280 case TARGET_ARCH_SET_FS:
6281 if (code == TARGET_ARCH_SET_GS)
6282 idx = R_GS;
6283 else
6284 idx = R_FS;
6285 cpu_x86_load_seg(env, idx, 0);
6286 env->segs[idx].base = addr;
6287 break;
6288 case TARGET_ARCH_GET_GS:
6289 case TARGET_ARCH_GET_FS:
6290 if (code == TARGET_ARCH_GET_GS)
6291 idx = R_GS;
6292 else
6293 idx = R_FS;
6294 val = env->segs[idx].base;
6295 if (put_user(val, addr, abi_ulong))
6296 ret = -TARGET_EFAULT;
6297 break;
6298 default:
6299 ret = -TARGET_EINVAL;
6300 break;
6301 }
6302 return ret;
6303}
6304#endif
6305#endif
6306
6307
6308
6309
6310#ifndef PR_SET_NAME
6311# define PR_SET_NAME 15
6312# define PR_GET_NAME 16
6313#endif
6314#ifndef PR_SET_FP_MODE
6315# define PR_SET_FP_MODE 45
6316# define PR_GET_FP_MODE 46
6317# define PR_FP_MODE_FR (1 << 0)
6318# define PR_FP_MODE_FRE (1 << 1)
6319#endif
6320#ifndef PR_SVE_SET_VL
6321# define PR_SVE_SET_VL 50
6322# define PR_SVE_GET_VL 51
6323# define PR_SVE_VL_LEN_MASK 0xffff
6324# define PR_SVE_VL_INHERIT (1 << 17)
6325#endif
6326#ifndef PR_PAC_RESET_KEYS
6327# define PR_PAC_RESET_KEYS 54
6328# define PR_PAC_APIAKEY (1 << 0)
6329# define PR_PAC_APIBKEY (1 << 1)
6330# define PR_PAC_APDAKEY (1 << 2)
6331# define PR_PAC_APDBKEY (1 << 3)
6332# define PR_PAC_APGAKEY (1 << 4)
6333#endif
6334#ifndef PR_SET_TAGGED_ADDR_CTRL
6335# define PR_SET_TAGGED_ADDR_CTRL 55
6336# define PR_GET_TAGGED_ADDR_CTRL 56
6337# define PR_TAGGED_ADDR_ENABLE (1UL << 0)
6338#endif
6339#ifndef PR_MTE_TCF_SHIFT
6340# define PR_MTE_TCF_SHIFT 1
6341# define PR_MTE_TCF_NONE (0UL << PR_MTE_TCF_SHIFT)
6342# define PR_MTE_TCF_SYNC (1UL << PR_MTE_TCF_SHIFT)
6343# define PR_MTE_TCF_ASYNC (2UL << PR_MTE_TCF_SHIFT)
6344# define PR_MTE_TCF_MASK (3UL << PR_MTE_TCF_SHIFT)
6345# define PR_MTE_TAG_SHIFT 3
6346# define PR_MTE_TAG_MASK (0xffffUL << PR_MTE_TAG_SHIFT)
6347#endif
6348#ifndef PR_SET_IO_FLUSHER
6349# define PR_SET_IO_FLUSHER 57
6350# define PR_GET_IO_FLUSHER 58
6351#endif
6352#ifndef PR_SET_SYSCALL_USER_DISPATCH
6353# define PR_SET_SYSCALL_USER_DISPATCH 59
6354#endif
6355#ifndef PR_SME_SET_VL
6356# define PR_SME_SET_VL 63
6357# define PR_SME_GET_VL 64
6358# define PR_SME_VL_LEN_MASK 0xffff
6359# define PR_SME_VL_INHERIT (1 << 17)
6360#endif
6361
6362#include "target_prctl.h"
6363
6364static abi_long do_prctl_inval0(CPUArchState *env)
6365{
6366 return -TARGET_EINVAL;
6367}
6368
6369static abi_long do_prctl_inval1(CPUArchState *env, abi_long arg2)
6370{
6371 return -TARGET_EINVAL;
6372}
6373
6374#ifndef do_prctl_get_fp_mode
6375#define do_prctl_get_fp_mode do_prctl_inval0
6376#endif
6377#ifndef do_prctl_set_fp_mode
6378#define do_prctl_set_fp_mode do_prctl_inval1
6379#endif
6380#ifndef do_prctl_sve_get_vl
6381#define do_prctl_sve_get_vl do_prctl_inval0
6382#endif
6383#ifndef do_prctl_sve_set_vl
6384#define do_prctl_sve_set_vl do_prctl_inval1
6385#endif
6386#ifndef do_prctl_reset_keys
6387#define do_prctl_reset_keys do_prctl_inval1
6388#endif
6389#ifndef do_prctl_set_tagged_addr_ctrl
6390#define do_prctl_set_tagged_addr_ctrl do_prctl_inval1
6391#endif
6392#ifndef do_prctl_get_tagged_addr_ctrl
6393#define do_prctl_get_tagged_addr_ctrl do_prctl_inval0
6394#endif
6395#ifndef do_prctl_get_unalign
6396#define do_prctl_get_unalign do_prctl_inval1
6397#endif
6398#ifndef do_prctl_set_unalign
6399#define do_prctl_set_unalign do_prctl_inval1
6400#endif
6401#ifndef do_prctl_sme_get_vl
6402#define do_prctl_sme_get_vl do_prctl_inval0
6403#endif
6404#ifndef do_prctl_sme_set_vl
6405#define do_prctl_sme_set_vl do_prctl_inval1
6406#endif
6407
6408static abi_long do_prctl(CPUArchState *env, abi_long option, abi_long arg2,
6409 abi_long arg3, abi_long arg4, abi_long arg5)
6410{
6411 abi_long ret;
6412
6413 switch (option) {
6414 case PR_GET_PDEATHSIG:
6415 {
6416 int deathsig;
6417 ret = get_errno(prctl(PR_GET_PDEATHSIG, &deathsig,
6418 arg3, arg4, arg5));
6419 if (!is_error(ret) &&
6420 put_user_s32(host_to_target_signal(deathsig), arg2)) {
6421 return -TARGET_EFAULT;
6422 }
6423 return ret;
6424 }
6425 case PR_SET_PDEATHSIG:
6426 return get_errno(prctl(PR_SET_PDEATHSIG, target_to_host_signal(arg2),
6427 arg3, arg4, arg5));
6428 case PR_GET_NAME:
6429 {
6430 void *name = lock_user(VERIFY_WRITE, arg2, 16, 1);
6431 if (!name) {
6432 return -TARGET_EFAULT;
6433 }
6434 ret = get_errno(prctl(PR_GET_NAME, (uintptr_t)name,
6435 arg3, arg4, arg5));
6436 unlock_user(name, arg2, 16);
6437 return ret;
6438 }
6439 case PR_SET_NAME:
6440 {
6441 void *name = lock_user(VERIFY_READ, arg2, 16, 1);
6442 if (!name) {
6443 return -TARGET_EFAULT;
6444 }
6445 ret = get_errno(prctl(PR_SET_NAME, (uintptr_t)name,
6446 arg3, arg4, arg5));
6447 unlock_user(name, arg2, 0);
6448 return ret;
6449 }
6450 case PR_GET_FP_MODE:
6451 return do_prctl_get_fp_mode(env);
6452 case PR_SET_FP_MODE:
6453 return do_prctl_set_fp_mode(env, arg2);
6454 case PR_SVE_GET_VL:
6455 return do_prctl_sve_get_vl(env);
6456 case PR_SVE_SET_VL:
6457 return do_prctl_sve_set_vl(env, arg2);
6458 case PR_SME_GET_VL:
6459 return do_prctl_sme_get_vl(env);
6460 case PR_SME_SET_VL:
6461 return do_prctl_sme_set_vl(env, arg2);
6462 case PR_PAC_RESET_KEYS:
6463 if (arg3 || arg4 || arg5) {
6464 return -TARGET_EINVAL;
6465 }
6466 return do_prctl_reset_keys(env, arg2);
6467 case PR_SET_TAGGED_ADDR_CTRL:
6468 if (arg3 || arg4 || arg5) {
6469 return -TARGET_EINVAL;
6470 }
6471 return do_prctl_set_tagged_addr_ctrl(env, arg2);
6472 case PR_GET_TAGGED_ADDR_CTRL:
6473 if (arg2 || arg3 || arg4 || arg5) {
6474 return -TARGET_EINVAL;
6475 }
6476 return do_prctl_get_tagged_addr_ctrl(env);
6477
6478 case PR_GET_UNALIGN:
6479 return do_prctl_get_unalign(env, arg2);
6480 case PR_SET_UNALIGN:
6481 return do_prctl_set_unalign(env, arg2);
6482
6483 case PR_CAP_AMBIENT:
6484 case PR_CAPBSET_READ:
6485 case PR_CAPBSET_DROP:
6486 case PR_GET_DUMPABLE:
6487 case PR_SET_DUMPABLE:
6488 case PR_GET_KEEPCAPS:
6489 case PR_SET_KEEPCAPS:
6490 case PR_GET_SECUREBITS:
6491 case PR_SET_SECUREBITS:
6492 case PR_GET_TIMING:
6493 case PR_SET_TIMING:
6494 case PR_GET_TIMERSLACK:
6495 case PR_SET_TIMERSLACK:
6496 case PR_MCE_KILL:
6497 case PR_MCE_KILL_GET:
6498 case PR_GET_NO_NEW_PRIVS:
6499 case PR_SET_NO_NEW_PRIVS:
6500 case PR_GET_IO_FLUSHER:
6501 case PR_SET_IO_FLUSHER:
6502
6503 return get_errno(prctl(option, arg2, arg3, arg4, arg5));
6504
6505 case PR_GET_CHILD_SUBREAPER:
6506 case PR_SET_CHILD_SUBREAPER:
6507 case PR_GET_SPECULATION_CTRL:
6508 case PR_SET_SPECULATION_CTRL:
6509 case PR_GET_TID_ADDRESS:
6510
6511 return -TARGET_EINVAL;
6512
6513 case PR_GET_FPEXC:
6514 case PR_SET_FPEXC:
6515
6516 return -TARGET_EINVAL;
6517
6518 case PR_GET_ENDIAN:
6519 case PR_SET_ENDIAN:
6520 case PR_GET_FPEMU:
6521 case PR_SET_FPEMU:
6522 case PR_SET_MM:
6523 case PR_GET_SECCOMP:
6524 case PR_SET_SECCOMP:
6525 case PR_SET_SYSCALL_USER_DISPATCH:
6526 case PR_GET_THP_DISABLE:
6527 case PR_SET_THP_DISABLE:
6528 case PR_GET_TSC:
6529 case PR_SET_TSC:
6530
6531 return -TARGET_EINVAL;
6532
6533 default:
6534 qemu_log_mask(LOG_UNIMP, "Unsupported prctl: " TARGET_ABI_FMT_ld "\n",
6535 option);
6536 return -TARGET_EINVAL;
6537 }
6538}
6539
6540#define NEW_STACK_SIZE 0x40000
6541
6542
6543static pthread_mutex_t clone_lock = PTHREAD_MUTEX_INITIALIZER;
6544typedef struct {
6545 CPUArchState *env;
6546 pthread_mutex_t mutex;
6547 pthread_cond_t cond;
6548 pthread_t thread;
6549 uint32_t tid;
6550 abi_ulong child_tidptr;
6551 abi_ulong parent_tidptr;
6552 sigset_t sigmask;
6553} new_thread_info;
6554
6555static void *clone_func(void *arg)
6556{
6557 new_thread_info *info = arg;
6558 CPUArchState *env;
6559 CPUState *cpu;
6560 TaskState *ts;
6561
6562 rcu_register_thread();
6563 tcg_register_thread();
6564 env = info->env;
6565 cpu = env_cpu(env);
6566 thread_cpu = cpu;
6567 ts = (TaskState *)cpu->opaque;
6568 info->tid = sys_gettid();
6569 task_settid(ts);
6570 if (info->child_tidptr)
6571 put_user_u32(info->tid, info->child_tidptr);
6572 if (info->parent_tidptr)
6573 put_user_u32(info->tid, info->parent_tidptr);
6574 qemu_guest_random_seed_thread_part2(cpu->random_seed);
6575
6576 sigprocmask(SIG_SETMASK, &info->sigmask, NULL);
6577
6578 pthread_mutex_lock(&info->mutex);
6579 pthread_cond_broadcast(&info->cond);
6580 pthread_mutex_unlock(&info->mutex);
6581
6582 pthread_mutex_lock(&clone_lock);
6583 pthread_mutex_unlock(&clone_lock);
6584 cpu_loop(env);
6585
6586 return NULL;
6587}
6588
6589
6590
6591static int do_fork(CPUArchState *env, unsigned int flags, abi_ulong newsp,
6592 abi_ulong parent_tidptr, target_ulong newtls,
6593 abi_ulong child_tidptr)
6594{
6595 CPUState *cpu = env_cpu(env);
6596 int ret;
6597 TaskState *ts;
6598 CPUState *new_cpu;
6599 CPUArchState *new_env;
6600 sigset_t sigmask;
6601
6602 flags &= ~CLONE_IGNORED_FLAGS;
6603
6604
6605 if (flags & CLONE_VFORK)
6606 flags &= ~(CLONE_VFORK | CLONE_VM);
6607
6608 if (flags & CLONE_VM) {
6609 TaskState *parent_ts = (TaskState *)cpu->opaque;
6610 new_thread_info info;
6611 pthread_attr_t attr;
6612
6613 if (((flags & CLONE_THREAD_FLAGS) != CLONE_THREAD_FLAGS) ||
6614 (flags & CLONE_INVALID_THREAD_FLAGS)) {
6615 return -TARGET_EINVAL;
6616 }
6617
6618 ts = g_new0(TaskState, 1);
6619 init_task_state(ts);
6620
6621
6622 pthread_mutex_lock(&clone_lock);
6623
6624
6625
6626
6627
6628
6629 if (!(cpu->tcg_cflags & CF_PARALLEL)) {
6630 cpu->tcg_cflags |= CF_PARALLEL;
6631 tb_flush(cpu);
6632 }
6633
6634
6635 new_env = cpu_copy(env);
6636
6637 cpu_clone_regs_child(new_env, newsp, flags);
6638 cpu_clone_regs_parent(env, flags);
6639 new_cpu = env_cpu(new_env);
6640 new_cpu->opaque = ts;
6641 ts->bprm = parent_ts->bprm;
6642 ts->info = parent_ts->info;
6643 ts->signal_mask = parent_ts->signal_mask;
6644
6645 if (flags & CLONE_CHILD_CLEARTID) {
6646 ts->child_tidptr = child_tidptr;
6647 }
6648
6649 if (flags & CLONE_SETTLS) {
6650 cpu_set_tls (new_env, newtls);
6651 }
6652
6653 memset(&info, 0, sizeof(info));
6654 pthread_mutex_init(&info.mutex, NULL);
6655 pthread_mutex_lock(&info.mutex);
6656 pthread_cond_init(&info.cond, NULL);
6657 info.env = new_env;
6658 if (flags & CLONE_CHILD_SETTID) {
6659 info.child_tidptr = child_tidptr;
6660 }
6661 if (flags & CLONE_PARENT_SETTID) {
6662 info.parent_tidptr = parent_tidptr;
6663 }
6664
6665 ret = pthread_attr_init(&attr);
6666 ret = pthread_attr_setstacksize(&attr, NEW_STACK_SIZE);
6667 ret = pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED);
6668
6669
6670 sigfillset(&sigmask);
6671 sigprocmask(SIG_BLOCK, &sigmask, &info.sigmask);
6672 cpu->random_seed = qemu_guest_random_seed_thread_part1();
6673
6674 ret = pthread_create(&info.thread, &attr, clone_func, &info);
6675
6676
6677 sigprocmask(SIG_SETMASK, &info.sigmask, NULL);
6678 pthread_attr_destroy(&attr);
6679 if (ret == 0) {
6680
6681 pthread_cond_wait(&info.cond, &info.mutex);
6682 ret = info.tid;
6683 } else {
6684 ret = -1;
6685 }
6686 pthread_mutex_unlock(&info.mutex);
6687 pthread_cond_destroy(&info.cond);
6688 pthread_mutex_destroy(&info.mutex);
6689 pthread_mutex_unlock(&clone_lock);
6690 } else {
6691
6692 if (flags & CLONE_INVALID_FORK_FLAGS) {
6693 return -TARGET_EINVAL;
6694 }
6695
6696
6697 if ((flags & CSIGNAL) != TARGET_SIGCHLD) {
6698 return -TARGET_EINVAL;
6699 }
6700
6701 if (block_signals()) {
6702 return -QEMU_ERESTARTSYS;
6703 }
6704
6705 fork_start();
6706 ret = fork();
6707 if (ret == 0) {
6708
6709 cpu_clone_regs_child(env, newsp, flags);
6710 fork_end(1);
6711
6712
6713
6714
6715
6716
6717 if (flags & CLONE_CHILD_SETTID)
6718 put_user_u32(sys_gettid(), child_tidptr);
6719 if (flags & CLONE_PARENT_SETTID)
6720 put_user_u32(sys_gettid(), parent_tidptr);
6721 ts = (TaskState *)cpu->opaque;
6722 if (flags & CLONE_SETTLS)
6723 cpu_set_tls (env, newtls);
6724 if (flags & CLONE_CHILD_CLEARTID)
6725 ts->child_tidptr = child_tidptr;
6726 } else {
6727 cpu_clone_regs_parent(env, flags);
6728 fork_end(0);
6729 }
6730 }
6731 return ret;
6732}
6733
6734
6735static int target_to_host_fcntl_cmd(int cmd)
6736{
6737 int ret;
6738
6739 switch(cmd) {
6740 case TARGET_F_DUPFD:
6741 case TARGET_F_GETFD:
6742 case TARGET_F_SETFD:
6743 case TARGET_F_GETFL:
6744 case TARGET_F_SETFL:
6745 case TARGET_F_OFD_GETLK:
6746 case TARGET_F_OFD_SETLK:
6747 case TARGET_F_OFD_SETLKW:
6748 ret = cmd;
6749 break;
6750 case TARGET_F_GETLK:
6751 ret = F_GETLK64;
6752 break;
6753 case TARGET_F_SETLK:
6754 ret = F_SETLK64;
6755 break;
6756 case TARGET_F_SETLKW:
6757 ret = F_SETLKW64;
6758 break;
6759 case TARGET_F_GETOWN:
6760 ret = F_GETOWN;
6761 break;
6762 case TARGET_F_SETOWN:
6763 ret = F_SETOWN;
6764 break;
6765 case TARGET_F_GETSIG:
6766 ret = F_GETSIG;
6767 break;
6768 case TARGET_F_SETSIG:
6769 ret = F_SETSIG;
6770 break;
6771#if TARGET_ABI_BITS == 32
6772 case TARGET_F_GETLK64:
6773 ret = F_GETLK64;
6774 break;
6775 case TARGET_F_SETLK64:
6776 ret = F_SETLK64;
6777 break;
6778 case TARGET_F_SETLKW64:
6779 ret = F_SETLKW64;
6780 break;
6781#endif
6782 case TARGET_F_SETLEASE:
6783 ret = F_SETLEASE;
6784 break;
6785 case TARGET_F_GETLEASE:
6786 ret = F_GETLEASE;
6787 break;
6788#ifdef F_DUPFD_CLOEXEC
6789 case TARGET_F_DUPFD_CLOEXEC:
6790 ret = F_DUPFD_CLOEXEC;
6791 break;
6792#endif
6793 case TARGET_F_NOTIFY:
6794 ret = F_NOTIFY;
6795 break;
6796#ifdef F_GETOWN_EX
6797 case TARGET_F_GETOWN_EX:
6798 ret = F_GETOWN_EX;
6799 break;
6800#endif
6801#ifdef F_SETOWN_EX
6802 case TARGET_F_SETOWN_EX:
6803 ret = F_SETOWN_EX;
6804 break;
6805#endif
6806#ifdef F_SETPIPE_SZ
6807 case TARGET_F_SETPIPE_SZ:
6808 ret = F_SETPIPE_SZ;
6809 break;
6810 case TARGET_F_GETPIPE_SZ:
6811 ret = F_GETPIPE_SZ;
6812 break;
6813#endif
6814#ifdef F_ADD_SEALS
6815 case TARGET_F_ADD_SEALS:
6816 ret = F_ADD_SEALS;
6817 break;
6818 case TARGET_F_GET_SEALS:
6819 ret = F_GET_SEALS;
6820 break;
6821#endif
6822 default:
6823 ret = -TARGET_EINVAL;
6824 break;
6825 }
6826
6827#if defined(__powerpc64__)
6828
6829
6830
6831
6832
6833 if (ret >= F_GETLK64 && ret <= F_SETLKW64) {
6834 ret -= F_GETLK64 - 5;
6835 }
6836#endif
6837
6838 return ret;
6839}
6840
6841#define FLOCK_TRANSTBL \
6842 switch (type) { \
6843 TRANSTBL_CONVERT(F_RDLCK); \
6844 TRANSTBL_CONVERT(F_WRLCK); \
6845 TRANSTBL_CONVERT(F_UNLCK); \
6846 }
6847
6848static int target_to_host_flock(int type)
6849{
6850#define TRANSTBL_CONVERT(a) case TARGET_##a: return a
6851 FLOCK_TRANSTBL
6852#undef TRANSTBL_CONVERT
6853 return -TARGET_EINVAL;
6854}
6855
6856static int host_to_target_flock(int type)
6857{
6858#define TRANSTBL_CONVERT(a) case a: return TARGET_##a
6859 FLOCK_TRANSTBL
6860#undef TRANSTBL_CONVERT
6861
6862
6863
6864 return type;
6865}
6866
6867static inline abi_long copy_from_user_flock(struct flock64 *fl,
6868 abi_ulong target_flock_addr)
6869{
6870 struct target_flock *target_fl;
6871 int l_type;
6872
6873 if (!lock_user_struct(VERIFY_READ, target_fl, target_flock_addr, 1)) {
6874 return -TARGET_EFAULT;
6875 }
6876
6877 __get_user(l_type, &target_fl->l_type);
6878 l_type = target_to_host_flock(l_type);
6879 if (l_type < 0) {
6880 return l_type;
6881 }
6882 fl->l_type = l_type;
6883 __get_user(fl->l_whence, &target_fl->l_whence);
6884 __get_user(fl->l_start, &target_fl->l_start);
6885 __get_user(fl->l_len, &target_fl->l_len);
6886 __get_user(fl->l_pid, &target_fl->l_pid);
6887 unlock_user_struct(target_fl, target_flock_addr, 0);
6888 return 0;
6889}
6890
6891static inline abi_long copy_to_user_flock(abi_ulong target_flock_addr,
6892 const struct flock64 *fl)
6893{
6894 struct target_flock *target_fl;
6895 short l_type;
6896
6897 if (!lock_user_struct(VERIFY_WRITE, target_fl, target_flock_addr, 0)) {
6898 return -TARGET_EFAULT;
6899 }
6900
6901 l_type = host_to_target_flock(fl->l_type);
6902 __put_user(l_type, &target_fl->l_type);
6903 __put_user(fl->l_whence, &target_fl->l_whence);
6904 __put_user(fl->l_start, &target_fl->l_start);
6905 __put_user(fl->l_len, &target_fl->l_len);
6906 __put_user(fl->l_pid, &target_fl->l_pid);
6907 unlock_user_struct(target_fl, target_flock_addr, 1);
6908 return 0;
6909}
6910
6911typedef abi_long from_flock64_fn(struct flock64 *fl, abi_ulong target_addr);
6912typedef abi_long to_flock64_fn(abi_ulong target_addr, const struct flock64 *fl);
6913
6914#if defined(TARGET_ARM) && TARGET_ABI_BITS == 32
6915struct target_oabi_flock64 {
6916 abi_short l_type;
6917 abi_short l_whence;
6918 abi_llong l_start;
6919 abi_llong l_len;
6920 abi_int l_pid;
6921} QEMU_PACKED;
6922
6923static inline abi_long copy_from_user_oabi_flock64(struct flock64 *fl,
6924 abi_ulong target_flock_addr)
6925{
6926 struct target_oabi_flock64 *target_fl;
6927 int l_type;
6928
6929 if (!lock_user_struct(VERIFY_READ, target_fl, target_flock_addr, 1)) {
6930 return -TARGET_EFAULT;
6931 }
6932
6933 __get_user(l_type, &target_fl->l_type);
6934 l_type = target_to_host_flock(l_type);
6935 if (l_type < 0) {
6936 return l_type;
6937 }
6938 fl->l_type = l_type;
6939 __get_user(fl->l_whence, &target_fl->l_whence);
6940 __get_user(fl->l_start, &target_fl->l_start);
6941 __get_user(fl->l_len, &target_fl->l_len);
6942 __get_user(fl->l_pid, &target_fl->l_pid);
6943 unlock_user_struct(target_fl, target_flock_addr, 0);
6944 return 0;
6945}
6946
6947static inline abi_long copy_to_user_oabi_flock64(abi_ulong target_flock_addr,
6948 const struct flock64 *fl)
6949{
6950 struct target_oabi_flock64 *target_fl;
6951 short l_type;
6952
6953 if (!lock_user_struct(VERIFY_WRITE, target_fl, target_flock_addr, 0)) {
6954 return -TARGET_EFAULT;
6955 }
6956
6957 l_type = host_to_target_flock(fl->l_type);
6958 __put_user(l_type, &target_fl->l_type);
6959 __put_user(fl->l_whence, &target_fl->l_whence);
6960 __put_user(fl->l_start, &target_fl->l_start);
6961 __put_user(fl->l_len, &target_fl->l_len);
6962 __put_user(fl->l_pid, &target_fl->l_pid);
6963 unlock_user_struct(target_fl, target_flock_addr, 1);
6964 return 0;
6965}
6966#endif
6967
6968static inline abi_long copy_from_user_flock64(struct flock64 *fl,
6969 abi_ulong target_flock_addr)
6970{
6971 struct target_flock64 *target_fl;
6972 int l_type;
6973
6974 if (!lock_user_struct(VERIFY_READ, target_fl, target_flock_addr, 1)) {
6975 return -TARGET_EFAULT;
6976 }
6977
6978 __get_user(l_type, &target_fl->l_type);
6979 l_type = target_to_host_flock(l_type);
6980 if (l_type < 0) {
6981 return l_type;
6982 }
6983 fl->l_type = l_type;
6984 __get_user(fl->l_whence, &target_fl->l_whence);
6985 __get_user(fl->l_start, &target_fl->l_start);
6986 __get_user(fl->l_len, &target_fl->l_len);
6987 __get_user(fl->l_pid, &target_fl->l_pid);
6988 unlock_user_struct(target_fl, target_flock_addr, 0);
6989 return 0;
6990}
6991
6992static inline abi_long copy_to_user_flock64(abi_ulong target_flock_addr,
6993 const struct flock64 *fl)
6994{
6995 struct target_flock64 *target_fl;
6996 short l_type;
6997
6998 if (!lock_user_struct(VERIFY_WRITE, target_fl, target_flock_addr, 0)) {
6999 return -TARGET_EFAULT;
7000 }
7001
7002 l_type = host_to_target_flock(fl->l_type);
7003 __put_user(l_type, &target_fl->l_type);
7004 __put_user(fl->l_whence, &target_fl->l_whence);
7005 __put_user(fl->l_start, &target_fl->l_start);
7006 __put_user(fl->l_len, &target_fl->l_len);
7007 __put_user(fl->l_pid, &target_fl->l_pid);
7008 unlock_user_struct(target_fl, target_flock_addr, 1);
7009 return 0;
7010}
7011
7012static abi_long do_fcntl(int fd, int cmd, abi_ulong arg)
7013{
7014 struct flock64 fl64;
7015#ifdef F_GETOWN_EX
7016 struct f_owner_ex fox;
7017 struct target_f_owner_ex *target_fox;
7018#endif
7019 abi_long ret;
7020 int host_cmd = target_to_host_fcntl_cmd(cmd);
7021
7022 if (host_cmd == -TARGET_EINVAL)
7023 return host_cmd;
7024
7025 switch(cmd) {
7026 case TARGET_F_GETLK:
7027 ret = copy_from_user_flock(&fl64, arg);
7028 if (ret) {
7029 return ret;
7030 }
7031 ret = get_errno(safe_fcntl(fd, host_cmd, &fl64));
7032 if (ret == 0) {
7033 ret = copy_to_user_flock(arg, &fl64);
7034 }
7035 break;
7036
7037 case TARGET_F_SETLK:
7038 case TARGET_F_SETLKW:
7039 ret = copy_from_user_flock(&fl64, arg);
7040 if (ret) {
7041 return ret;
7042 }
7043 ret = get_errno(safe_fcntl(fd, host_cmd, &fl64));
7044 break;
7045
7046 case TARGET_F_GETLK64:
7047 case TARGET_F_OFD_GETLK:
7048 ret = copy_from_user_flock64(&fl64, arg);
7049 if (ret) {
7050 return ret;
7051 }
7052 ret = get_errno(safe_fcntl(fd, host_cmd, &fl64));
7053 if (ret == 0) {
7054 ret = copy_to_user_flock64(arg, &fl64);
7055 }
7056 break;
7057 case TARGET_F_SETLK64:
7058 case TARGET_F_SETLKW64:
7059 case TARGET_F_OFD_SETLK:
7060 case TARGET_F_OFD_SETLKW:
7061 ret = copy_from_user_flock64(&fl64, arg);
7062 if (ret) {
7063 return ret;
7064 }
7065 ret = get_errno(safe_fcntl(fd, host_cmd, &fl64));
7066 break;
7067
7068 case TARGET_F_GETFL:
7069 ret = get_errno(safe_fcntl(fd, host_cmd, arg));
7070 if (ret >= 0) {
7071 ret = host_to_target_bitmask(ret, fcntl_flags_tbl);
7072 }
7073 break;
7074
7075 case TARGET_F_SETFL:
7076 ret = get_errno(safe_fcntl(fd, host_cmd,
7077 target_to_host_bitmask(arg,
7078 fcntl_flags_tbl)));
7079 break;
7080
7081#ifdef F_GETOWN_EX
7082 case TARGET_F_GETOWN_EX:
7083 ret = get_errno(safe_fcntl(fd, host_cmd, &fox));
7084 if (ret >= 0) {
7085 if (!lock_user_struct(VERIFY_WRITE, target_fox, arg, 0))
7086 return -TARGET_EFAULT;
7087 target_fox->type = tswap32(fox.type);
7088 target_fox->pid = tswap32(fox.pid);
7089 unlock_user_struct(target_fox, arg, 1);
7090 }
7091 break;
7092#endif
7093
7094#ifdef F_SETOWN_EX
7095 case TARGET_F_SETOWN_EX:
7096 if (!lock_user_struct(VERIFY_READ, target_fox, arg, 1))
7097 return -TARGET_EFAULT;
7098 fox.type = tswap32(target_fox->type);
7099 fox.pid = tswap32(target_fox->pid);
7100 unlock_user_struct(target_fox, arg, 0);
7101 ret = get_errno(safe_fcntl(fd, host_cmd, &fox));
7102 break;
7103#endif
7104
7105 case TARGET_F_SETSIG:
7106 ret = get_errno(safe_fcntl(fd, host_cmd, target_to_host_signal(arg)));
7107 break;
7108
7109 case TARGET_F_GETSIG:
7110 ret = host_to_target_signal(get_errno(safe_fcntl(fd, host_cmd, arg)));
7111 break;
7112
7113 case TARGET_F_SETOWN:
7114 case TARGET_F_GETOWN:
7115 case TARGET_F_SETLEASE:
7116 case TARGET_F_GETLEASE:
7117 case TARGET_F_SETPIPE_SZ:
7118 case TARGET_F_GETPIPE_SZ:
7119 case TARGET_F_ADD_SEALS:
7120 case TARGET_F_GET_SEALS:
7121 ret = get_errno(safe_fcntl(fd, host_cmd, arg));
7122 break;
7123
7124 default:
7125 ret = get_errno(safe_fcntl(fd, cmd, arg));
7126 break;
7127 }
7128 return ret;
7129}
7130
7131#ifdef USE_UID16
7132
7133static inline int high2lowuid(int uid)
7134{
7135 if (uid > 65535)
7136 return 65534;
7137 else
7138 return uid;
7139}
7140
7141static inline int high2lowgid(int gid)
7142{
7143 if (gid > 65535)
7144 return 65534;
7145 else
7146 return gid;
7147}
7148
7149static inline int low2highuid(int uid)
7150{
7151 if ((int16_t)uid == -1)
7152 return -1;
7153 else
7154 return uid;
7155}
7156
7157static inline int low2highgid(int gid)
7158{
7159 if ((int16_t)gid == -1)
7160 return -1;
7161 else
7162 return gid;
7163}
7164static inline int tswapid(int id)
7165{
7166 return tswap16(id);
7167}
7168
7169#define put_user_id(x, gaddr) put_user_u16(x, gaddr)
7170
7171#else
7172static inline int high2lowuid(int uid)
7173{
7174 return uid;
7175}
7176static inline int high2lowgid(int gid)
7177{
7178 return gid;
7179}
7180static inline int low2highuid(int uid)
7181{
7182 return uid;
7183}
7184static inline int low2highgid(int gid)
7185{
7186 return gid;
7187}
7188static inline int tswapid(int id)
7189{
7190 return tswap32(id);
7191}
7192
7193#define put_user_id(x, gaddr) put_user_u32(x, gaddr)
7194
7195#endif
7196
7197
7198
7199
7200
7201
7202
7203
7204
7205#ifdef __NR_setuid32
7206#define __NR_sys_setuid __NR_setuid32
7207#else
7208#define __NR_sys_setuid __NR_setuid
7209#endif
7210#ifdef __NR_setgid32
7211#define __NR_sys_setgid __NR_setgid32
7212#else
7213#define __NR_sys_setgid __NR_setgid
7214#endif
7215#ifdef __NR_setresuid32
7216#define __NR_sys_setresuid __NR_setresuid32
7217#else
7218#define __NR_sys_setresuid __NR_setresuid
7219#endif
7220#ifdef __NR_setresgid32
7221#define __NR_sys_setresgid __NR_setresgid32
7222#else
7223#define __NR_sys_setresgid __NR_setresgid
7224#endif
7225
7226_syscall1(int, sys_setuid, uid_t, uid)
7227_syscall1(int, sys_setgid, gid_t, gid)
7228_syscall3(int, sys_setresuid, uid_t, ruid, uid_t, euid, uid_t, suid)
7229_syscall3(int, sys_setresgid, gid_t, rgid, gid_t, egid, gid_t, sgid)
7230
7231void syscall_init(void)
7232{
7233 IOCTLEntry *ie;
7234 const argtype *arg_type;
7235 int size;
7236
7237 thunk_init(STRUCT_MAX);
7238
7239#define STRUCT(name, ...) thunk_register_struct(STRUCT_ ## name, #name, struct_ ## name ## _def);
7240#define STRUCT_SPECIAL(name) thunk_register_struct_direct(STRUCT_ ## name, #name, &struct_ ## name ## _def);
7241#include "syscall_types.h"
7242#undef STRUCT
7243#undef STRUCT_SPECIAL
7244
7245
7246
7247 ie = ioctl_entries;
7248 while (ie->target_cmd != 0) {
7249 if (((ie->target_cmd >> TARGET_IOC_SIZESHIFT) & TARGET_IOC_SIZEMASK) ==
7250 TARGET_IOC_SIZEMASK) {
7251 arg_type = ie->arg_type;
7252 if (arg_type[0] != TYPE_PTR) {
7253 fprintf(stderr, "cannot patch size for ioctl 0x%x\n",
7254 ie->target_cmd);
7255 exit(1);
7256 }
7257 arg_type++;
7258 size = thunk_type_size(arg_type, 0);
7259 ie->target_cmd = (ie->target_cmd &
7260 ~(TARGET_IOC_SIZEMASK << TARGET_IOC_SIZESHIFT)) |
7261 (size << TARGET_IOC_SIZESHIFT);
7262 }
7263
7264
7265#if (defined(__i386__) && defined(TARGET_I386) && defined(TARGET_ABI32)) || \
7266 (defined(__x86_64__) && defined(TARGET_X86_64))
7267 if (unlikely(ie->target_cmd != ie->host_cmd)) {
7268 fprintf(stderr, "ERROR: ioctl(%s): target=0x%x host=0x%x\n",
7269 ie->name, ie->target_cmd, ie->host_cmd);
7270 }
7271#endif
7272 ie++;
7273 }
7274}
7275
7276#ifdef TARGET_NR_truncate64
7277static inline abi_long target_truncate64(CPUArchState *cpu_env, const char *arg1,
7278 abi_long arg2,
7279 abi_long arg3,
7280 abi_long arg4)
7281{
7282 if (regpairs_aligned(cpu_env, TARGET_NR_truncate64)) {
7283 arg2 = arg3;
7284 arg3 = arg4;
7285 }
7286 return get_errno(truncate64(arg1, target_offset64(arg2, arg3)));
7287}
7288#endif
7289
7290#ifdef TARGET_NR_ftruncate64
7291static inline abi_long target_ftruncate64(CPUArchState *cpu_env, abi_long arg1,
7292 abi_long arg2,
7293 abi_long arg3,
7294 abi_long arg4)
7295{
7296 if (regpairs_aligned(cpu_env, TARGET_NR_ftruncate64)) {
7297 arg2 = arg3;
7298 arg3 = arg4;
7299 }
7300 return get_errno(ftruncate64(arg1, target_offset64(arg2, arg3)));
7301}
7302#endif
7303
7304#if defined(TARGET_NR_timer_settime) || \
7305 (defined(TARGET_NR_timerfd_settime) && defined(CONFIG_TIMERFD))
7306static inline abi_long target_to_host_itimerspec(struct itimerspec *host_its,
7307 abi_ulong target_addr)
7308{
7309 if (target_to_host_timespec(&host_its->it_interval, target_addr +
7310 offsetof(struct target_itimerspec,
7311 it_interval)) ||
7312 target_to_host_timespec(&host_its->it_value, target_addr +
7313 offsetof(struct target_itimerspec,
7314 it_value))) {
7315 return -TARGET_EFAULT;
7316 }
7317
7318 return 0;
7319}
7320#endif
7321
7322#if defined(TARGET_NR_timer_settime64) || \
7323 (defined(TARGET_NR_timerfd_settime64) && defined(CONFIG_TIMERFD))
7324static inline abi_long target_to_host_itimerspec64(struct itimerspec *host_its,
7325 abi_ulong target_addr)
7326{
7327 if (target_to_host_timespec64(&host_its->it_interval, target_addr +
7328 offsetof(struct target__kernel_itimerspec,
7329 it_interval)) ||
7330 target_to_host_timespec64(&host_its->it_value, target_addr +
7331 offsetof(struct target__kernel_itimerspec,
7332 it_value))) {
7333 return -TARGET_EFAULT;
7334 }
7335
7336 return 0;
7337}
7338#endif
7339
7340#if ((defined(TARGET_NR_timerfd_gettime) || \
7341 defined(TARGET_NR_timerfd_settime)) && defined(CONFIG_TIMERFD)) || \
7342 defined(TARGET_NR_timer_gettime) || defined(TARGET_NR_timer_settime)
7343static inline abi_long host_to_target_itimerspec(abi_ulong target_addr,
7344 struct itimerspec *host_its)
7345{
7346 if (host_to_target_timespec(target_addr + offsetof(struct target_itimerspec,
7347 it_interval),
7348 &host_its->it_interval) ||
7349 host_to_target_timespec(target_addr + offsetof(struct target_itimerspec,
7350 it_value),
7351 &host_its->it_value)) {
7352 return -TARGET_EFAULT;
7353 }
7354 return 0;
7355}
7356#endif
7357
7358#if ((defined(TARGET_NR_timerfd_gettime64) || \
7359 defined(TARGET_NR_timerfd_settime64)) && defined(CONFIG_TIMERFD)) || \
7360 defined(TARGET_NR_timer_gettime64) || defined(TARGET_NR_timer_settime64)
7361static inline abi_long host_to_target_itimerspec64(abi_ulong target_addr,
7362 struct itimerspec *host_its)
7363{
7364 if (host_to_target_timespec64(target_addr +
7365 offsetof(struct target__kernel_itimerspec,
7366 it_interval),
7367 &host_its->it_interval) ||
7368 host_to_target_timespec64(target_addr +
7369 offsetof(struct target__kernel_itimerspec,
7370 it_value),
7371 &host_its->it_value)) {
7372 return -TARGET_EFAULT;
7373 }
7374 return 0;
7375}
7376#endif
7377
7378#if defined(TARGET_NR_adjtimex) || \
7379 (defined(TARGET_NR_clock_adjtime) && defined(CONFIG_CLOCK_ADJTIME))
7380static inline abi_long target_to_host_timex(struct timex *host_tx,
7381 abi_long target_addr)
7382{
7383 struct target_timex *target_tx;
7384
7385 if (!lock_user_struct(VERIFY_READ, target_tx, target_addr, 1)) {
7386 return -TARGET_EFAULT;
7387 }
7388
7389 __get_user(host_tx->modes, &target_tx->modes);
7390 __get_user(host_tx->offset, &target_tx->offset);
7391 __get_user(host_tx->freq, &target_tx->freq);
7392 __get_user(host_tx->maxerror, &target_tx->maxerror);
7393 __get_user(host_tx->esterror, &target_tx->esterror);
7394 __get_user(host_tx->status, &target_tx->status);
7395 __get_user(host_tx->constant, &target_tx->constant);
7396 __get_user(host_tx->precision, &target_tx->precision);
7397 __get_user(host_tx->tolerance, &target_tx->tolerance);
7398 __get_user(host_tx->time.tv_sec, &target_tx->time.tv_sec);
7399 __get_user(host_tx->time.tv_usec, &target_tx->time.tv_usec);
7400 __get_user(host_tx->tick, &target_tx->tick);
7401 __get_user(host_tx->ppsfreq, &target_tx->ppsfreq);
7402 __get_user(host_tx->jitter, &target_tx->jitter);
7403 __get_user(host_tx->shift, &target_tx->shift);
7404 __get_user(host_tx->stabil, &target_tx->stabil);
7405 __get_user(host_tx->jitcnt, &target_tx->jitcnt);
7406 __get_user(host_tx->calcnt, &target_tx->calcnt);
7407 __get_user(host_tx->errcnt, &target_tx->errcnt);
7408 __get_user(host_tx->stbcnt, &target_tx->stbcnt);
7409 __get_user(host_tx->tai, &target_tx->tai);
7410
7411 unlock_user_struct(target_tx, target_addr, 0);
7412 return 0;
7413}
7414
7415static inline abi_long host_to_target_timex(abi_long target_addr,
7416 struct timex *host_tx)
7417{
7418 struct target_timex *target_tx;
7419
7420 if (!lock_user_struct(VERIFY_WRITE, target_tx, target_addr, 0)) {
7421 return -TARGET_EFAULT;
7422 }
7423
7424 __put_user(host_tx->modes, &target_tx->modes);
7425 __put_user(host_tx->offset, &target_tx->offset);
7426 __put_user(host_tx->freq, &target_tx->freq);
7427 __put_user(host_tx->maxerror, &target_tx->maxerror);
7428 __put_user(host_tx->esterror, &target_tx->esterror);
7429 __put_user(host_tx->status, &target_tx->status);
7430 __put_user(host_tx->constant, &target_tx->constant);
7431 __put_user(host_tx->precision, &target_tx->precision);
7432 __put_user(host_tx->tolerance, &target_tx->tolerance);
7433 __put_user(host_tx->time.tv_sec, &target_tx->time.tv_sec);
7434 __put_user(host_tx->time.tv_usec, &target_tx->time.tv_usec);
7435 __put_user(host_tx->tick, &target_tx->tick);
7436 __put_user(host_tx->ppsfreq, &target_tx->ppsfreq);
7437 __put_user(host_tx->jitter, &target_tx->jitter);
7438 __put_user(host_tx->shift, &target_tx->shift);
7439 __put_user(host_tx->stabil, &target_tx->stabil);
7440 __put_user(host_tx->jitcnt, &target_tx->jitcnt);
7441 __put_user(host_tx->calcnt, &target_tx->calcnt);
7442 __put_user(host_tx->errcnt, &target_tx->errcnt);
7443 __put_user(host_tx->stbcnt, &target_tx->stbcnt);
7444 __put_user(host_tx->tai, &target_tx->tai);
7445
7446 unlock_user_struct(target_tx, target_addr, 1);
7447 return 0;
7448}
7449#endif
7450
7451
7452#if defined(TARGET_NR_clock_adjtime64) && defined(CONFIG_CLOCK_ADJTIME)
7453static inline abi_long target_to_host_timex64(struct timex *host_tx,
7454 abi_long target_addr)
7455{
7456 struct target__kernel_timex *target_tx;
7457
7458 if (copy_from_user_timeval64(&host_tx->time, target_addr +
7459 offsetof(struct target__kernel_timex,
7460 time))) {
7461 return -TARGET_EFAULT;
7462 }
7463
7464 if (!lock_user_struct(VERIFY_READ, target_tx, target_addr, 1)) {
7465 return -TARGET_EFAULT;
7466 }
7467
7468 __get_user(host_tx->modes, &target_tx->modes);
7469 __get_user(host_tx->offset, &target_tx->offset);
7470 __get_user(host_tx->freq, &target_tx->freq);
7471 __get_user(host_tx->maxerror, &target_tx->maxerror);
7472 __get_user(host_tx->esterror, &target_tx->esterror);
7473 __get_user(host_tx->status, &target_tx->status);
7474 __get_user(host_tx->constant, &target_tx->constant);
7475 __get_user(host_tx->precision, &target_tx->precision);
7476 __get_user(host_tx->tolerance, &target_tx->tolerance);
7477 __get_user(host_tx->tick, &target_tx->tick);
7478 __get_user(host_tx->ppsfreq, &target_tx->ppsfreq);
7479 __get_user(host_tx->jitter, &target_tx->jitter);
7480 __get_user(host_tx->shift, &target_tx->shift);
7481 __get_user(host_tx->stabil, &target_tx->stabil);
7482 __get_user(host_tx->jitcnt, &target_tx->jitcnt);
7483 __get_user(host_tx->calcnt, &target_tx->calcnt);
7484 __get_user(host_tx->errcnt, &target_tx->errcnt);
7485 __get_user(host_tx->stbcnt, &target_tx->stbcnt);
7486 __get_user(host_tx->tai, &target_tx->tai);
7487
7488 unlock_user_struct(target_tx, target_addr, 0);
7489 return 0;
7490}
7491
7492static inline abi_long host_to_target_timex64(abi_long target_addr,
7493 struct timex *host_tx)
7494{
7495 struct target__kernel_timex *target_tx;
7496
7497 if (copy_to_user_timeval64(target_addr +
7498 offsetof(struct target__kernel_timex, time),
7499 &host_tx->time)) {
7500 return -TARGET_EFAULT;
7501 }
7502
7503 if (!lock_user_struct(VERIFY_WRITE, target_tx, target_addr, 0)) {
7504 return -TARGET_EFAULT;
7505 }
7506
7507 __put_user(host_tx->modes, &target_tx->modes);
7508 __put_user(host_tx->offset, &target_tx->offset);
7509 __put_user(host_tx->freq, &target_tx->freq);
7510 __put_user(host_tx->maxerror, &target_tx->maxerror);
7511 __put_user(host_tx->esterror, &target_tx->esterror);
7512 __put_user(host_tx->status, &target_tx->status);
7513 __put_user(host_tx->constant, &target_tx->constant);
7514 __put_user(host_tx->precision, &target_tx->precision);
7515 __put_user(host_tx->tolerance, &target_tx->tolerance);
7516 __put_user(host_tx->tick, &target_tx->tick);
7517 __put_user(host_tx->ppsfreq, &target_tx->ppsfreq);
7518 __put_user(host_tx->jitter, &target_tx->jitter);
7519 __put_user(host_tx->shift, &target_tx->shift);
7520 __put_user(host_tx->stabil, &target_tx->stabil);
7521 __put_user(host_tx->jitcnt, &target_tx->jitcnt);
7522 __put_user(host_tx->calcnt, &target_tx->calcnt);
7523 __put_user(host_tx->errcnt, &target_tx->errcnt);
7524 __put_user(host_tx->stbcnt, &target_tx->stbcnt);
7525 __put_user(host_tx->tai, &target_tx->tai);
7526
7527 unlock_user_struct(target_tx, target_addr, 1);
7528 return 0;
7529}
7530#endif
7531
7532#ifndef HAVE_SIGEV_NOTIFY_THREAD_ID
7533#define sigev_notify_thread_id _sigev_un._tid
7534#endif
7535
7536static inline abi_long target_to_host_sigevent(struct sigevent *host_sevp,
7537 abi_ulong target_addr)
7538{
7539 struct target_sigevent *target_sevp;
7540
7541 if (!lock_user_struct(VERIFY_READ, target_sevp, target_addr, 1)) {
7542 return -TARGET_EFAULT;
7543 }
7544
7545
7546
7547
7548
7549
7550
7551 host_sevp->sigev_value.sival_ptr =
7552 (void *)(uintptr_t)tswapal(target_sevp->sigev_value.sival_ptr);
7553 host_sevp->sigev_signo =
7554 target_to_host_signal(tswap32(target_sevp->sigev_signo));
7555 host_sevp->sigev_notify = tswap32(target_sevp->sigev_notify);
7556 host_sevp->sigev_notify_thread_id = tswap32(target_sevp->_sigev_un._tid);
7557
7558 unlock_user_struct(target_sevp, target_addr, 1);
7559 return 0;
7560}
7561
7562#if defined(TARGET_NR_mlockall)
7563static inline int target_to_host_mlockall_arg(int arg)
7564{
7565 int result = 0;
7566
7567 if (arg & TARGET_MCL_CURRENT) {
7568 result |= MCL_CURRENT;
7569 }
7570 if (arg & TARGET_MCL_FUTURE) {
7571 result |= MCL_FUTURE;
7572 }
7573#ifdef MCL_ONFAULT
7574 if (arg & TARGET_MCL_ONFAULT) {
7575 result |= MCL_ONFAULT;
7576 }
7577#endif
7578
7579 return result;
7580}
7581#endif
7582
7583#if (defined(TARGET_NR_stat64) || defined(TARGET_NR_lstat64) || \
7584 defined(TARGET_NR_fstat64) || defined(TARGET_NR_fstatat64) || \
7585 defined(TARGET_NR_newfstatat))
7586static inline abi_long host_to_target_stat64(CPUArchState *cpu_env,
7587 abi_ulong target_addr,
7588 struct stat *host_st)
7589{
7590#if defined(TARGET_ARM) && defined(TARGET_ABI32)
7591 if (cpu_env->eabi) {
7592 struct target_eabi_stat64 *target_st;
7593
7594 if (!lock_user_struct(VERIFY_WRITE, target_st, target_addr, 0))
7595 return -TARGET_EFAULT;
7596 memset(target_st, 0, sizeof(struct target_eabi_stat64));
7597 __put_user(host_st->st_dev, &target_st->st_dev);
7598 __put_user(host_st->st_ino, &target_st->st_ino);
7599#ifdef TARGET_STAT64_HAS_BROKEN_ST_INO
7600 __put_user(host_st->st_ino, &target_st->__st_ino);
7601#endif
7602 __put_user(host_st->st_mode, &target_st->st_mode);
7603 __put_user(host_st->st_nlink, &target_st->st_nlink);
7604 __put_user(host_st->st_uid, &target_st->st_uid);
7605 __put_user(host_st->st_gid, &target_st->st_gid);
7606 __put_user(host_st->st_rdev, &target_st->st_rdev);
7607 __put_user(host_st->st_size, &target_st->st_size);
7608 __put_user(host_st->st_blksize, &target_st->st_blksize);
7609 __put_user(host_st->st_blocks, &target_st->st_blocks);
7610 __put_user(host_st->st_atime, &target_st->target_st_atime);
7611 __put_user(host_st->st_mtime, &target_st->target_st_mtime);
7612 __put_user(host_st->st_ctime, &target_st->target_st_ctime);
7613#ifdef HAVE_STRUCT_STAT_ST_ATIM
7614 __put_user(host_st->st_atim.tv_nsec, &target_st->target_st_atime_nsec);
7615 __put_user(host_st->st_mtim.tv_nsec, &target_st->target_st_mtime_nsec);
7616 __put_user(host_st->st_ctim.tv_nsec, &target_st->target_st_ctime_nsec);
7617#endif
7618 unlock_user_struct(target_st, target_addr, 1);
7619 } else
7620#endif
7621 {
7622#if defined(TARGET_HAS_STRUCT_STAT64)
7623 struct target_stat64 *target_st;
7624#else
7625 struct target_stat *target_st;
7626#endif
7627
7628 if (!lock_user_struct(VERIFY_WRITE, target_st, target_addr, 0))
7629 return -TARGET_EFAULT;
7630 memset(target_st, 0, sizeof(*target_st));
7631 __put_user(host_st->st_dev, &target_st->st_dev);
7632 __put_user(host_st->st_ino, &target_st->st_ino);
7633#ifdef TARGET_STAT64_HAS_BROKEN_ST_INO
7634 __put_user(host_st->st_ino, &target_st->__st_ino);
7635#endif
7636 __put_user(host_st->st_mode, &target_st->st_mode);
7637 __put_user(host_st->st_nlink, &target_st->st_nlink);
7638 __put_user(host_st->st_uid, &target_st->st_uid);
7639 __put_user(host_st->st_gid, &target_st->st_gid);
7640 __put_user(host_st->st_rdev, &target_st->st_rdev);
7641
7642 __put_user(host_st->st_size, &target_st->st_size);
7643 __put_user(host_st->st_blksize, &target_st->st_blksize);
7644 __put_user(host_st->st_blocks, &target_st->st_blocks);
7645 __put_user(host_st->st_atime, &target_st->target_st_atime);
7646 __put_user(host_st->st_mtime, &target_st->target_st_mtime);
7647 __put_user(host_st->st_ctime, &target_st->target_st_ctime);
7648#ifdef HAVE_STRUCT_STAT_ST_ATIM
7649 __put_user(host_st->st_atim.tv_nsec, &target_st->target_st_atime_nsec);
7650 __put_user(host_st->st_mtim.tv_nsec, &target_st->target_st_mtime_nsec);
7651 __put_user(host_st->st_ctim.tv_nsec, &target_st->target_st_ctime_nsec);
7652#endif
7653 unlock_user_struct(target_st, target_addr, 1);
7654 }
7655
7656 return 0;
7657}
7658#endif
7659
7660#if defined(TARGET_NR_statx) && defined(__NR_statx)
7661static inline abi_long host_to_target_statx(struct target_statx *host_stx,
7662 abi_ulong target_addr)
7663{
7664 struct target_statx *target_stx;
7665
7666 if (!lock_user_struct(VERIFY_WRITE, target_stx, target_addr, 0)) {
7667 return -TARGET_EFAULT;
7668 }
7669 memset(target_stx, 0, sizeof(*target_stx));
7670
7671 __put_user(host_stx->stx_mask, &target_stx->stx_mask);
7672 __put_user(host_stx->stx_blksize, &target_stx->stx_blksize);
7673 __put_user(host_stx->stx_attributes, &target_stx->stx_attributes);
7674 __put_user(host_stx->stx_nlink, &target_stx->stx_nlink);
7675 __put_user(host_stx->stx_uid, &target_stx->stx_uid);
7676 __put_user(host_stx->stx_gid, &target_stx->stx_gid);
7677 __put_user(host_stx->stx_mode, &target_stx->stx_mode);
7678 __put_user(host_stx->stx_ino, &target_stx->stx_ino);
7679 __put_user(host_stx->stx_size, &target_stx->stx_size);
7680 __put_user(host_stx->stx_blocks, &target_stx->stx_blocks);
7681 __put_user(host_stx->stx_attributes_mask, &target_stx->stx_attributes_mask);
7682 __put_user(host_stx->stx_atime.tv_sec, &target_stx->stx_atime.tv_sec);
7683 __put_user(host_stx->stx_atime.tv_nsec, &target_stx->stx_atime.tv_nsec);
7684 __put_user(host_stx->stx_btime.tv_sec, &target_stx->stx_btime.tv_sec);
7685 __put_user(host_stx->stx_btime.tv_nsec, &target_stx->stx_btime.tv_nsec);
7686 __put_user(host_stx->stx_ctime.tv_sec, &target_stx->stx_ctime.tv_sec);
7687 __put_user(host_stx->stx_ctime.tv_nsec, &target_stx->stx_ctime.tv_nsec);
7688 __put_user(host_stx->stx_mtime.tv_sec, &target_stx->stx_mtime.tv_sec);
7689 __put_user(host_stx->stx_mtime.tv_nsec, &target_stx->stx_mtime.tv_nsec);
7690 __put_user(host_stx->stx_rdev_major, &target_stx->stx_rdev_major);
7691 __put_user(host_stx->stx_rdev_minor, &target_stx->stx_rdev_minor);
7692 __put_user(host_stx->stx_dev_major, &target_stx->stx_dev_major);
7693 __put_user(host_stx->stx_dev_minor, &target_stx->stx_dev_minor);
7694
7695 unlock_user_struct(target_stx, target_addr, 1);
7696
7697 return 0;
7698}
7699#endif
7700
7701static int do_sys_futex(int *uaddr, int op, int val,
7702 const struct timespec *timeout, int *uaddr2,
7703 int val3)
7704{
7705#if HOST_LONG_BITS == 64
7706#if defined(__NR_futex)
7707
7708 return sys_futex(uaddr, op, val, timeout, uaddr2, val3);
7709
7710#endif
7711#else
7712#if defined(__NR_futex_time64)
7713 if (sizeof(timeout->tv_sec) == 8) {
7714
7715 return sys_futex_time64(uaddr, op, val, timeout, uaddr2, val3);
7716 }
7717#endif
7718#if defined(__NR_futex)
7719
7720 return sys_futex(uaddr, op, val, timeout, uaddr2, val3);
7721#endif
7722#endif
7723 g_assert_not_reached();
7724}
7725
7726static int do_safe_futex(int *uaddr, int op, int val,
7727 const struct timespec *timeout, int *uaddr2,
7728 int val3)
7729{
7730#if HOST_LONG_BITS == 64
7731#if defined(__NR_futex)
7732
7733 return get_errno(safe_futex(uaddr, op, val, timeout, uaddr2, val3));
7734#endif
7735#else
7736#if defined(__NR_futex_time64)
7737 if (sizeof(timeout->tv_sec) == 8) {
7738
7739 return get_errno(safe_futex_time64(uaddr, op, val, timeout, uaddr2,
7740 val3));
7741 }
7742#endif
7743#if defined(__NR_futex)
7744
7745 return get_errno(safe_futex(uaddr, op, val, timeout, uaddr2, val3));
7746#endif
7747#endif
7748 return -TARGET_ENOSYS;
7749}
7750
7751
7752
7753
7754
7755
7756#if defined(TARGET_NR_futex)
7757static int do_futex(CPUState *cpu, target_ulong uaddr, int op, int val,
7758 target_ulong timeout, target_ulong uaddr2, int val3)
7759{
7760 struct timespec ts, *pts;
7761 int base_op;
7762
7763
7764
7765#ifdef FUTEX_CMD_MASK
7766 base_op = op & FUTEX_CMD_MASK;
7767#else
7768 base_op = op;
7769#endif
7770 switch (base_op) {
7771 case FUTEX_WAIT:
7772 case FUTEX_WAIT_BITSET:
7773 if (timeout) {
7774 pts = &ts;
7775 target_to_host_timespec(pts, timeout);
7776 } else {
7777 pts = NULL;
7778 }
7779 return do_safe_futex(g2h(cpu, uaddr),
7780 op, tswap32(val), pts, NULL, val3);
7781 case FUTEX_WAKE:
7782 return do_safe_futex(g2h(cpu, uaddr),
7783 op, val, NULL, NULL, 0);
7784 case FUTEX_FD:
7785 return do_safe_futex(g2h(cpu, uaddr),
7786 op, val, NULL, NULL, 0);
7787 case FUTEX_REQUEUE:
7788 case FUTEX_CMP_REQUEUE:
7789 case FUTEX_WAKE_OP:
7790
7791
7792
7793
7794
7795 pts = (struct timespec *)(uintptr_t) timeout;
7796 return do_safe_futex(g2h(cpu, uaddr), op, val, pts, g2h(cpu, uaddr2),
7797 (base_op == FUTEX_CMP_REQUEUE
7798 ? tswap32(val3) : val3));
7799 default:
7800 return -TARGET_ENOSYS;
7801 }
7802}
7803#endif
7804
7805#if defined(TARGET_NR_futex_time64)
7806static int do_futex_time64(CPUState *cpu, target_ulong uaddr, int op,
7807 int val, target_ulong timeout,
7808 target_ulong uaddr2, int val3)
7809{
7810 struct timespec ts, *pts;
7811 int base_op;
7812
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 if (timeout) {
7824 pts = &ts;
7825 if (target_to_host_timespec64(pts, timeout)) {
7826 return -TARGET_EFAULT;
7827 }
7828 } else {
7829 pts = NULL;
7830 }
7831 return do_safe_futex(g2h(cpu, uaddr), op,
7832 tswap32(val), pts, NULL, val3);
7833 case FUTEX_WAKE:
7834 return do_safe_futex(g2h(cpu, uaddr), op, val, NULL, NULL, 0);
7835 case FUTEX_FD:
7836 return do_safe_futex(g2h(cpu, uaddr), op, val, NULL, NULL, 0);
7837 case FUTEX_REQUEUE:
7838 case FUTEX_CMP_REQUEUE:
7839 case FUTEX_WAKE_OP:
7840
7841
7842
7843
7844
7845 pts = (struct timespec *)(uintptr_t) timeout;
7846 return do_safe_futex(g2h(cpu, uaddr), op, val, pts, g2h(cpu, uaddr2),
7847 (base_op == FUTEX_CMP_REQUEUE
7848 ? tswap32(val3) : val3));
7849 default:
7850 return -TARGET_ENOSYS;
7851 }
7852}
7853#endif
7854
7855#if defined(TARGET_NR_name_to_handle_at) && defined(CONFIG_OPEN_BY_HANDLE)
7856static abi_long do_name_to_handle_at(abi_long dirfd, abi_long pathname,
7857 abi_long handle, abi_long mount_id,
7858 abi_long flags)
7859{
7860 struct file_handle *target_fh;
7861 struct file_handle *fh;
7862 int mid = 0;
7863 abi_long ret;
7864 char *name;
7865 unsigned int size, total_size;
7866
7867 if (get_user_s32(size, handle)) {
7868 return -TARGET_EFAULT;
7869 }
7870
7871 name = lock_user_string(pathname);
7872 if (!name) {
7873 return -TARGET_EFAULT;
7874 }
7875
7876 total_size = sizeof(struct file_handle) + size;
7877 target_fh = lock_user(VERIFY_WRITE, handle, total_size, 0);
7878 if (!target_fh) {
7879 unlock_user(name, pathname, 0);
7880 return -TARGET_EFAULT;
7881 }
7882
7883 fh = g_malloc0(total_size);
7884 fh->handle_bytes = size;
7885
7886 ret = get_errno(name_to_handle_at(dirfd, path(name), fh, &mid, flags));
7887 unlock_user(name, pathname, 0);
7888
7889
7890
7891
7892
7893
7894 memcpy(target_fh, fh, total_size);
7895 target_fh->handle_bytes = tswap32(fh->handle_bytes);
7896 target_fh->handle_type = tswap32(fh->handle_type);
7897 g_free(fh);
7898 unlock_user(target_fh, handle, total_size);
7899
7900 if (put_user_s32(mid, mount_id)) {
7901 return -TARGET_EFAULT;
7902 }
7903
7904 return ret;
7905
7906}
7907#endif
7908
7909#if defined(TARGET_NR_open_by_handle_at) && defined(CONFIG_OPEN_BY_HANDLE)
7910static abi_long do_open_by_handle_at(abi_long mount_fd, abi_long handle,
7911 abi_long flags)
7912{
7913 struct file_handle *target_fh;
7914 struct file_handle *fh;
7915 unsigned int size, total_size;
7916 abi_long ret;
7917
7918 if (get_user_s32(size, handle)) {
7919 return -TARGET_EFAULT;
7920 }
7921
7922 total_size = sizeof(struct file_handle) + size;
7923 target_fh = lock_user(VERIFY_READ, handle, total_size, 1);
7924 if (!target_fh) {
7925 return -TARGET_EFAULT;
7926 }
7927
7928 fh = g_memdup(target_fh, total_size);
7929 fh->handle_bytes = size;
7930 fh->handle_type = tswap32(target_fh->handle_type);
7931
7932 ret = get_errno(open_by_handle_at(mount_fd, fh,
7933 target_to_host_bitmask(flags, fcntl_flags_tbl)));
7934
7935 g_free(fh);
7936
7937 unlock_user(target_fh, handle, total_size);
7938
7939 return ret;
7940}
7941#endif
7942
7943#if defined(TARGET_NR_signalfd) || defined(TARGET_NR_signalfd4)
7944
7945static abi_long do_signalfd4(int fd, abi_long mask, int flags)
7946{
7947 int host_flags;
7948 target_sigset_t *target_mask;
7949 sigset_t host_mask;
7950 abi_long ret;
7951
7952 if (flags & ~(TARGET_O_NONBLOCK_MASK | TARGET_O_CLOEXEC)) {
7953 return -TARGET_EINVAL;
7954 }
7955 if (!lock_user_struct(VERIFY_READ, target_mask, mask, 1)) {
7956 return -TARGET_EFAULT;
7957 }
7958
7959 target_to_host_sigset(&host_mask, target_mask);
7960
7961 host_flags = target_to_host_bitmask(flags, fcntl_flags_tbl);
7962
7963 ret = get_errno(signalfd(fd, &host_mask, host_flags));
7964 if (ret >= 0) {
7965 fd_trans_register(ret, &target_signalfd_trans);
7966 }
7967
7968 unlock_user_struct(target_mask, mask, 0);
7969
7970 return ret;
7971}
7972#endif
7973
7974
7975
7976int host_to_target_waitstatus(int status)
7977{
7978 if (WIFSIGNALED(status)) {
7979 return host_to_target_signal(WTERMSIG(status)) | (status & ~0x7f);
7980 }
7981 if (WIFSTOPPED(status)) {
7982 return (host_to_target_signal(WSTOPSIG(status)) << 8)
7983 | (status & 0xff);
7984 }
7985 return status;
7986}
7987
7988static int open_self_cmdline(CPUArchState *cpu_env, int fd)
7989{
7990 CPUState *cpu = env_cpu(cpu_env);
7991 struct linux_binprm *bprm = ((TaskState *)cpu->opaque)->bprm;
7992 int i;
7993
7994 for (i = 0; i < bprm->argc; i++) {
7995 size_t len = strlen(bprm->argv[i]) + 1;
7996
7997 if (write(fd, bprm->argv[i], len) != len) {
7998 return -1;
7999 }
8000 }
8001
8002 return 0;
8003}
8004
8005static int open_self_maps(CPUArchState *cpu_env, int fd)
8006{
8007 CPUState *cpu = env_cpu(cpu_env);
8008 TaskState *ts = cpu->opaque;
8009 GSList *map_info = read_self_maps();
8010 GSList *s;
8011 int count;
8012
8013 for (s = map_info; s; s = g_slist_next(s)) {
8014 MapInfo *e = (MapInfo *) s->data;
8015
8016 if (h2g_valid(e->start)) {
8017 unsigned long min = e->start;
8018 unsigned long max = e->end;
8019 int flags = page_get_flags(h2g(min));
8020 const char *path;
8021
8022 max = h2g_valid(max - 1) ?
8023 max : (uintptr_t) g2h_untagged(GUEST_ADDR_MAX) + 1;
8024
8025 if (page_check_range(h2g(min), max - min, flags) == -1) {
8026 continue;
8027 }
8028
8029 if (h2g(min) == ts->info->stack_limit) {
8030 path = "[stack]";
8031 } else {
8032 path = e->path;
8033 }
8034
8035 count = dprintf(fd, TARGET_ABI_FMT_ptr "-" TARGET_ABI_FMT_ptr
8036 " %c%c%c%c %08" PRIx64 " %s %"PRId64,
8037 h2g(min), h2g(max - 1) + 1,
8038 (flags & PAGE_READ) ? 'r' : '-',
8039 (flags & PAGE_WRITE_ORG) ? 'w' : '-',
8040 (flags & PAGE_EXEC) ? 'x' : '-',
8041 e->is_priv ? 'p' : 's',
8042 (uint64_t) e->offset, e->dev, e->inode);
8043 if (path) {
8044 dprintf(fd, "%*s%s\n", 73 - count, "", path);
8045 } else {
8046 dprintf(fd, "\n");
8047 }
8048 }
8049 }
8050
8051 free_self_maps(map_info);
8052
8053#ifdef TARGET_VSYSCALL_PAGE
8054
8055
8056
8057
8058 count = dprintf(fd, TARGET_FMT_lx "-" TARGET_FMT_lx
8059 " --xp 00000000 00:00 0",
8060 TARGET_VSYSCALL_PAGE, TARGET_VSYSCALL_PAGE + TARGET_PAGE_SIZE);
8061 dprintf(fd, "%*s%s\n", 73 - count, "", "[vsyscall]");
8062#endif
8063
8064 return 0;
8065}
8066
8067static int open_self_stat(CPUArchState *cpu_env, int fd)
8068{
8069 CPUState *cpu = env_cpu(cpu_env);
8070 TaskState *ts = cpu->opaque;
8071 g_autoptr(GString) buf = g_string_new(NULL);
8072 int i;
8073
8074 for (i = 0; i < 44; i++) {
8075 if (i == 0) {
8076
8077 g_string_printf(buf, FMT_pid " ", getpid());
8078 } else if (i == 1) {
8079
8080 gchar *bin = g_strrstr(ts->bprm->argv[0], "/");
8081 bin = bin ? bin + 1 : ts->bprm->argv[0];
8082 g_string_printf(buf, "(%.15s) ", bin);
8083 } else if (i == 3) {
8084
8085 g_string_printf(buf, FMT_pid " ", getppid());
8086 } else if (i == 21) {
8087
8088 g_string_printf(buf, "%" PRIu64 " ", ts->start_boottime);
8089 } else if (i == 27) {
8090
8091 g_string_printf(buf, TARGET_ABI_FMT_ld " ", ts->info->start_stack);
8092 } else {
8093
8094 g_string_printf(buf, "0%c", i == 43 ? '\n' : ' ');
8095 }
8096
8097 if (write(fd, buf->str, buf->len) != buf->len) {
8098 return -1;
8099 }
8100 }
8101
8102 return 0;
8103}
8104
8105static int open_self_auxv(CPUArchState *cpu_env, int fd)
8106{
8107 CPUState *cpu = env_cpu(cpu_env);
8108 TaskState *ts = cpu->opaque;
8109 abi_ulong auxv = ts->info->saved_auxv;
8110 abi_ulong len = ts->info->auxv_len;
8111 char *ptr;
8112
8113
8114
8115
8116
8117 ptr = lock_user(VERIFY_READ, auxv, len, 0);
8118 if (ptr != NULL) {
8119 while (len > 0) {
8120 ssize_t r;
8121 r = write(fd, ptr, len);
8122 if (r <= 0) {
8123 break;
8124 }
8125 len -= r;
8126 ptr += r;
8127 }
8128 lseek(fd, 0, SEEK_SET);
8129 unlock_user(ptr, auxv, len);
8130 }
8131
8132 return 0;
8133}
8134
8135static int is_proc_myself(const char *filename, const char *entry)
8136{
8137 if (!strncmp(filename, "/proc/", strlen("/proc/"))) {
8138 filename += strlen("/proc/");
8139 if (!strncmp(filename, "self/", strlen("self/"))) {
8140 filename += strlen("self/");
8141 } else if (*filename >= '1' && *filename <= '9') {
8142 char myself[80];
8143 snprintf(myself, sizeof(myself), "%d/", getpid());
8144 if (!strncmp(filename, myself, strlen(myself))) {
8145 filename += strlen(myself);
8146 } else {
8147 return 0;
8148 }
8149 } else {
8150 return 0;
8151 }
8152 if (!strcmp(filename, entry)) {
8153 return 1;
8154 }
8155 }
8156 return 0;
8157}
8158
8159#if HOST_BIG_ENDIAN != TARGET_BIG_ENDIAN || \
8160 defined(TARGET_SPARC) || defined(TARGET_M68K) || defined(TARGET_HPPA)
8161static int is_proc(const char *filename, const char *entry)
8162{
8163 return strcmp(filename, entry) == 0;
8164}
8165#endif
8166
8167#if HOST_BIG_ENDIAN != TARGET_BIG_ENDIAN
8168static int open_net_route(CPUArchState *cpu_env, int fd)
8169{
8170 FILE *fp;
8171 char *line = NULL;
8172 size_t len = 0;
8173 ssize_t read;
8174
8175 fp = fopen("/proc/net/route", "r");
8176 if (fp == NULL) {
8177 return -1;
8178 }
8179
8180
8181
8182 read = getline(&line, &len, fp);
8183 dprintf(fd, "%s", line);
8184
8185
8186
8187 while ((read = getline(&line, &len, fp)) != -1) {
8188 char iface[16];
8189 uint32_t dest, gw, mask;
8190 unsigned int flags, refcnt, use, metric, mtu, window, irtt;
8191 int fields;
8192
8193 fields = sscanf(line,
8194 "%s\t%08x\t%08x\t%04x\t%d\t%d\t%d\t%08x\t%d\t%u\t%u\n",
8195 iface, &dest, &gw, &flags, &refcnt, &use, &metric,
8196 &mask, &mtu, &window, &irtt);
8197 if (fields != 11) {
8198 continue;
8199 }
8200 dprintf(fd, "%s\t%08x\t%08x\t%04x\t%d\t%d\t%d\t%08x\t%d\t%u\t%u\n",
8201 iface, tswap32(dest), tswap32(gw), flags, refcnt, use,
8202 metric, tswap32(mask), mtu, window, irtt);
8203 }
8204
8205 free(line);
8206 fclose(fp);
8207
8208 return 0;
8209}
8210#endif
8211
8212#if defined(TARGET_SPARC)
8213static int open_cpuinfo(CPUArchState *cpu_env, int fd)
8214{
8215 dprintf(fd, "type\t\t: sun4u\n");
8216 return 0;
8217}
8218#endif
8219
8220#if defined(TARGET_HPPA)
8221static int open_cpuinfo(CPUArchState *cpu_env, int fd)
8222{
8223 dprintf(fd, "cpu family\t: PA-RISC 1.1e\n");
8224 dprintf(fd, "cpu\t\t: PA7300LC (PCX-L2)\n");
8225 dprintf(fd, "capabilities\t: os32\n");
8226 dprintf(fd, "model\t\t: 9000/778/B160L\n");
8227 dprintf(fd, "model name\t: Merlin L2 160 QEMU (9000/778/B160L)\n");
8228 return 0;
8229}
8230#endif
8231
8232#if defined(TARGET_M68K)
8233static int open_hardware(CPUArchState *cpu_env, int fd)
8234{
8235 dprintf(fd, "Model:\t\tqemu-m68k\n");
8236 return 0;
8237}
8238#endif
8239
8240static int do_openat(CPUArchState *cpu_env, int dirfd, const char *pathname, int flags, mode_t mode)
8241{
8242 struct fake_open {
8243 const char *filename;
8244 int (*fill)(CPUArchState *cpu_env, int fd);
8245 int (*cmp)(const char *s1, const char *s2);
8246 };
8247 const struct fake_open *fake_open;
8248 static const struct fake_open fakes[] = {
8249 { "maps", open_self_maps, is_proc_myself },
8250 { "stat", open_self_stat, is_proc_myself },
8251 { "auxv", open_self_auxv, is_proc_myself },
8252 { "cmdline", open_self_cmdline, is_proc_myself },
8253#if HOST_BIG_ENDIAN != TARGET_BIG_ENDIAN
8254 { "/proc/net/route", open_net_route, is_proc },
8255#endif
8256#if defined(TARGET_SPARC) || defined(TARGET_HPPA)
8257 { "/proc/cpuinfo", open_cpuinfo, is_proc },
8258#endif
8259#if defined(TARGET_M68K)
8260 { "/proc/hardware", open_hardware, is_proc },
8261#endif
8262 { NULL, NULL, NULL }
8263 };
8264
8265 if (is_proc_myself(pathname, "exe")) {
8266 int execfd = qemu_getauxval(AT_EXECFD);
8267 return execfd ? execfd : safe_openat(dirfd, exec_path, flags, mode);
8268 }
8269
8270 for (fake_open = fakes; fake_open->filename; fake_open++) {
8271 if (fake_open->cmp(pathname, fake_open->filename)) {
8272 break;
8273 }
8274 }
8275
8276 if (fake_open->filename) {
8277 const char *tmpdir;
8278 char filename[PATH_MAX];
8279 int fd, r;
8280
8281 fd = memfd_create("qemu-open", 0);
8282 if (fd < 0) {
8283 if (errno != ENOSYS) {
8284 return fd;
8285 }
8286
8287 tmpdir = getenv("TMPDIR");
8288 if (!tmpdir)
8289 tmpdir = "/tmp";
8290 snprintf(filename, sizeof(filename), "%s/qemu-open.XXXXXX", tmpdir);
8291 fd = mkstemp(filename);
8292 if (fd < 0) {
8293 return fd;
8294 }
8295 unlink(filename);
8296 }
8297
8298 if ((r = fake_open->fill(cpu_env, fd))) {
8299 int e = errno;
8300 close(fd);
8301 errno = e;
8302 return r;
8303 }
8304 lseek(fd, 0, SEEK_SET);
8305
8306 return fd;
8307 }
8308
8309 return safe_openat(dirfd, path(pathname), flags, mode);
8310}
8311
8312#define TIMER_MAGIC 0x0caf0000
8313#define TIMER_MAGIC_MASK 0xffff0000
8314
8315
8316static target_timer_t get_timer_id(abi_long arg)
8317{
8318 target_timer_t timerid = arg;
8319
8320 if ((timerid & TIMER_MAGIC_MASK) != TIMER_MAGIC) {
8321 return -TARGET_EINVAL;
8322 }
8323
8324 timerid &= 0xffff;
8325
8326 if (timerid >= ARRAY_SIZE(g_posix_timers)) {
8327 return -TARGET_EINVAL;
8328 }
8329
8330 return timerid;
8331}
8332
8333static int target_to_host_cpu_mask(unsigned long *host_mask,
8334 size_t host_size,
8335 abi_ulong target_addr,
8336 size_t target_size)
8337{
8338 unsigned target_bits = sizeof(abi_ulong) * 8;
8339 unsigned host_bits = sizeof(*host_mask) * 8;
8340 abi_ulong *target_mask;
8341 unsigned i, j;
8342
8343 assert(host_size >= target_size);
8344
8345 target_mask = lock_user(VERIFY_READ, target_addr, target_size, 1);
8346 if (!target_mask) {
8347 return -TARGET_EFAULT;
8348 }
8349 memset(host_mask, 0, host_size);
8350
8351 for (i = 0 ; i < target_size / sizeof(abi_ulong); i++) {
8352 unsigned bit = i * target_bits;
8353 abi_ulong val;
8354
8355 __get_user(val, &target_mask[i]);
8356 for (j = 0; j < target_bits; j++, bit++) {
8357 if (val & (1UL << j)) {
8358 host_mask[bit / host_bits] |= 1UL << (bit % host_bits);
8359 }
8360 }
8361 }
8362
8363 unlock_user(target_mask, target_addr, 0);
8364 return 0;
8365}
8366
8367static int host_to_target_cpu_mask(const unsigned long *host_mask,
8368 size_t host_size,
8369 abi_ulong target_addr,
8370 size_t target_size)
8371{
8372 unsigned target_bits = sizeof(abi_ulong) * 8;
8373 unsigned host_bits = sizeof(*host_mask) * 8;
8374 abi_ulong *target_mask;
8375 unsigned i, j;
8376
8377 assert(host_size >= target_size);
8378
8379 target_mask = lock_user(VERIFY_WRITE, target_addr, target_size, 0);
8380 if (!target_mask) {
8381 return -TARGET_EFAULT;
8382 }
8383
8384 for (i = 0 ; i < target_size / sizeof(abi_ulong); i++) {
8385 unsigned bit = i * target_bits;
8386 abi_ulong val = 0;
8387
8388 for (j = 0; j < target_bits; j++, bit++) {
8389 if (host_mask[bit / host_bits] & (1UL << (bit % host_bits))) {
8390 val |= 1UL << j;
8391 }
8392 }
8393 __put_user(val, &target_mask[i]);
8394 }
8395
8396 unlock_user(target_mask, target_addr, target_size);
8397 return 0;
8398}
8399
8400#ifdef TARGET_NR_getdents
8401static int do_getdents(abi_long dirfd, abi_long arg2, abi_long count)
8402{
8403 g_autofree void *hdirp = NULL;
8404 void *tdirp;
8405 int hlen, hoff, toff;
8406 int hreclen, treclen;
8407 off64_t prev_diroff = 0;
8408
8409 hdirp = g_try_malloc(count);
8410 if (!hdirp) {
8411 return -TARGET_ENOMEM;
8412 }
8413
8414#ifdef EMULATE_GETDENTS_WITH_GETDENTS
8415 hlen = sys_getdents(dirfd, hdirp, count);
8416#else
8417 hlen = sys_getdents64(dirfd, hdirp, count);
8418#endif
8419
8420 hlen = get_errno(hlen);
8421 if (is_error(hlen)) {
8422 return hlen;
8423 }
8424
8425 tdirp = lock_user(VERIFY_WRITE, arg2, count, 0);
8426 if (!tdirp) {
8427 return -TARGET_EFAULT;
8428 }
8429
8430 for (hoff = toff = 0; hoff < hlen; hoff += hreclen, toff += treclen) {
8431#ifdef EMULATE_GETDENTS_WITH_GETDENTS
8432 struct linux_dirent *hde = hdirp + hoff;
8433#else
8434 struct linux_dirent64 *hde = hdirp + hoff;
8435#endif
8436 struct target_dirent *tde = tdirp + toff;
8437 int namelen;
8438 uint8_t type;
8439
8440 namelen = strlen(hde->d_name);
8441 hreclen = hde->d_reclen;
8442 treclen = offsetof(struct target_dirent, d_name) + namelen + 2;
8443 treclen = QEMU_ALIGN_UP(treclen, __alignof(struct target_dirent));
8444
8445 if (toff + treclen > count) {
8446
8447
8448
8449
8450
8451
8452 if (toff == 0) {
8453 toff = -TARGET_EINVAL;
8454 break;
8455 }
8456
8457
8458
8459
8460 lseek64(dirfd, prev_diroff, SEEK_SET);
8461 break;
8462 }
8463
8464 prev_diroff = hde->d_off;
8465 tde->d_ino = tswapal(hde->d_ino);
8466 tde->d_off = tswapal(hde->d_off);
8467 tde->d_reclen = tswap16(treclen);
8468 memcpy(tde->d_name, hde->d_name, namelen + 1);
8469
8470
8471
8472
8473
8474#ifdef EMULATE_GETDENTS_WITH_GETDENTS
8475 type = *((uint8_t *)hde + hreclen - 1);
8476#else
8477 type = hde->d_type;
8478#endif
8479 *((uint8_t *)tde + treclen - 1) = type;
8480 }
8481
8482 unlock_user(tdirp, arg2, toff);
8483 return toff;
8484}
8485#endif
8486
8487#if defined(TARGET_NR_getdents64) && defined(__NR_getdents64)
8488static int do_getdents64(abi_long dirfd, abi_long arg2, abi_long count)
8489{
8490 g_autofree void *hdirp = NULL;
8491 void *tdirp;
8492 int hlen, hoff, toff;
8493 int hreclen, treclen;
8494 off64_t prev_diroff = 0;
8495
8496 hdirp = g_try_malloc(count);
8497 if (!hdirp) {
8498 return -TARGET_ENOMEM;
8499 }
8500
8501 hlen = get_errno(sys_getdents64(dirfd, hdirp, count));
8502 if (is_error(hlen)) {
8503 return hlen;
8504 }
8505
8506 tdirp = lock_user(VERIFY_WRITE, arg2, count, 0);
8507 if (!tdirp) {
8508 return -TARGET_EFAULT;
8509 }
8510
8511 for (hoff = toff = 0; hoff < hlen; hoff += hreclen, toff += treclen) {
8512 struct linux_dirent64 *hde = hdirp + hoff;
8513 struct target_dirent64 *tde = tdirp + toff;
8514 int namelen;
8515
8516 namelen = strlen(hde->d_name) + 1;
8517 hreclen = hde->d_reclen;
8518 treclen = offsetof(struct target_dirent64, d_name) + namelen;
8519 treclen = QEMU_ALIGN_UP(treclen, __alignof(struct target_dirent64));
8520
8521 if (toff + treclen > count) {
8522
8523
8524
8525
8526
8527
8528 if (toff == 0) {
8529 toff = -TARGET_EINVAL;
8530 break;
8531 }
8532
8533
8534
8535
8536 lseek64(dirfd, prev_diroff, SEEK_SET);
8537 break;
8538 }
8539
8540 prev_diroff = hde->d_off;
8541 tde->d_ino = tswap64(hde->d_ino);
8542 tde->d_off = tswap64(hde->d_off);
8543 tde->d_reclen = tswap16(treclen);
8544 tde->d_type = hde->d_type;
8545 memcpy(tde->d_name, hde->d_name, namelen);
8546 }
8547
8548 unlock_user(tdirp, arg2, toff);
8549 return toff;
8550}
8551#endif
8552
8553#if defined(TARGET_NR_pivot_root) && defined(__NR_pivot_root)
8554_syscall2(int, pivot_root, const char *, new_root, const char *, put_old)
8555#endif
8556
8557
8558
8559
8560
8561
8562static abi_long do_syscall1(CPUArchState *cpu_env, int num, abi_long arg1,
8563 abi_long arg2, abi_long arg3, abi_long arg4,
8564 abi_long arg5, abi_long arg6, abi_long arg7,
8565 abi_long arg8)
8566{
8567 CPUState *cpu = env_cpu(cpu_env);
8568 abi_long ret;
8569#if defined(TARGET_NR_stat) || defined(TARGET_NR_stat64) \
8570 || defined(TARGET_NR_lstat) || defined(TARGET_NR_lstat64) \
8571 || defined(TARGET_NR_fstat) || defined(TARGET_NR_fstat64) \
8572 || defined(TARGET_NR_statx)
8573 struct stat st;
8574#endif
8575#if defined(TARGET_NR_statfs) || defined(TARGET_NR_statfs64) \
8576 || defined(TARGET_NR_fstatfs)
8577 struct statfs stfs;
8578#endif
8579 void *p;
8580
8581 switch(num) {
8582 case TARGET_NR_exit:
8583
8584
8585
8586
8587
8588 if (block_signals()) {
8589 return -QEMU_ERESTARTSYS;
8590 }
8591
8592 pthread_mutex_lock(&clone_lock);
8593
8594 if (CPU_NEXT(first_cpu)) {
8595 TaskState *ts = cpu->opaque;
8596
8597 object_property_set_bool(OBJECT(cpu), "realized", false, NULL);
8598 object_unref(OBJECT(cpu));
8599
8600
8601
8602
8603
8604
8605 pthread_mutex_unlock(&clone_lock);
8606
8607 if (ts->child_tidptr) {
8608 put_user_u32(0, ts->child_tidptr);
8609 do_sys_futex(g2h(cpu, ts->child_tidptr),
8610 FUTEX_WAKE, INT_MAX, NULL, NULL, 0);
8611 }
8612 thread_cpu = NULL;
8613 g_free(ts);
8614 rcu_unregister_thread();
8615 pthread_exit(NULL);
8616 }
8617
8618 pthread_mutex_unlock(&clone_lock);
8619 preexit_cleanup(cpu_env, arg1);
8620 _exit(arg1);
8621 return 0;
8622 case TARGET_NR_read:
8623 if (arg2 == 0 && arg3 == 0) {
8624 return get_errno(safe_read(arg1, 0, 0));
8625 } else {
8626 if (!(p = lock_user(VERIFY_WRITE, arg2, arg3, 0)))
8627 return -TARGET_EFAULT;
8628 ret = get_errno(safe_read(arg1, p, arg3));
8629 if (ret >= 0 &&
8630 fd_trans_host_to_target_data(arg1)) {
8631 ret = fd_trans_host_to_target_data(arg1)(p, ret);
8632 }
8633 unlock_user(p, arg2, ret);
8634 }
8635 return ret;
8636 case TARGET_NR_write:
8637 if (arg2 == 0 && arg3 == 0) {
8638 return get_errno(safe_write(arg1, 0, 0));
8639 }
8640 if (!(p = lock_user(VERIFY_READ, arg2, arg3, 1)))
8641 return -TARGET_EFAULT;
8642 if (fd_trans_target_to_host_data(arg1)) {
8643 void *copy = g_malloc(arg3);
8644 memcpy(copy, p, arg3);
8645 ret = fd_trans_target_to_host_data(arg1)(copy, arg3);
8646 if (ret >= 0) {
8647 ret = get_errno(safe_write(arg1, copy, ret));
8648 }
8649 g_free(copy);
8650 } else {
8651 ret = get_errno(safe_write(arg1, p, arg3));
8652 }
8653 unlock_user(p, arg2, 0);
8654 return ret;
8655
8656#ifdef TARGET_NR_open
8657 case TARGET_NR_open:
8658 if (!(p = lock_user_string(arg1)))
8659 return -TARGET_EFAULT;
8660 ret = get_errno(do_openat(cpu_env, AT_FDCWD, p,
8661 target_to_host_bitmask(arg2, fcntl_flags_tbl),
8662 arg3));
8663 fd_trans_unregister(ret);
8664 unlock_user(p, arg1, 0);
8665 return ret;
8666#endif
8667 case TARGET_NR_openat:
8668 if (!(p = lock_user_string(arg2)))
8669 return -TARGET_EFAULT;
8670 ret = get_errno(do_openat(cpu_env, arg1, p,
8671 target_to_host_bitmask(arg3, fcntl_flags_tbl),
8672 arg4));
8673 fd_trans_unregister(ret);
8674 unlock_user(p, arg2, 0);
8675 return ret;
8676#if defined(TARGET_NR_name_to_handle_at) && defined(CONFIG_OPEN_BY_HANDLE)
8677 case TARGET_NR_name_to_handle_at:
8678 ret = do_name_to_handle_at(arg1, arg2, arg3, arg4, arg5);
8679 return ret;
8680#endif
8681#if defined(TARGET_NR_open_by_handle_at) && defined(CONFIG_OPEN_BY_HANDLE)
8682 case TARGET_NR_open_by_handle_at:
8683 ret = do_open_by_handle_at(arg1, arg2, arg3);
8684 fd_trans_unregister(ret);
8685 return ret;
8686#endif
8687 case TARGET_NR_close:
8688 fd_trans_unregister(arg1);
8689 return get_errno(close(arg1));
8690
8691 case TARGET_NR_brk:
8692 return do_brk(arg1);
8693#ifdef TARGET_NR_fork
8694 case TARGET_NR_fork:
8695 return get_errno(do_fork(cpu_env, TARGET_SIGCHLD, 0, 0, 0, 0));
8696#endif
8697#ifdef TARGET_NR_waitpid
8698 case TARGET_NR_waitpid:
8699 {
8700 int status;
8701 ret = get_errno(safe_wait4(arg1, &status, arg3, 0));
8702 if (!is_error(ret) && arg2 && ret
8703 && put_user_s32(host_to_target_waitstatus(status), arg2))
8704 return -TARGET_EFAULT;
8705 }
8706 return ret;
8707#endif
8708#ifdef TARGET_NR_waitid
8709 case TARGET_NR_waitid:
8710 {
8711 siginfo_t info;
8712 info.si_pid = 0;
8713 ret = get_errno(safe_waitid(arg1, arg2, &info, arg4, NULL));
8714 if (!is_error(ret) && arg3 && info.si_pid != 0) {
8715 if (!(p = lock_user(VERIFY_WRITE, arg3, sizeof(target_siginfo_t), 0)))
8716 return -TARGET_EFAULT;
8717 host_to_target_siginfo(p, &info);
8718 unlock_user(p, arg3, sizeof(target_siginfo_t));
8719 }
8720 }
8721 return ret;
8722#endif
8723#ifdef TARGET_NR_creat
8724 case TARGET_NR_creat:
8725 if (!(p = lock_user_string(arg1)))
8726 return -TARGET_EFAULT;
8727 ret = get_errno(creat(p, arg2));
8728 fd_trans_unregister(ret);
8729 unlock_user(p, arg1, 0);
8730 return ret;
8731#endif
8732#ifdef TARGET_NR_link
8733 case TARGET_NR_link:
8734 {
8735 void * p2;
8736 p = lock_user_string(arg1);
8737 p2 = lock_user_string(arg2);
8738 if (!p || !p2)
8739 ret = -TARGET_EFAULT;
8740 else
8741 ret = get_errno(link(p, p2));
8742 unlock_user(p2, arg2, 0);
8743 unlock_user(p, arg1, 0);
8744 }
8745 return ret;
8746#endif
8747#if defined(TARGET_NR_linkat)
8748 case TARGET_NR_linkat:
8749 {
8750 void * p2 = NULL;
8751 if (!arg2 || !arg4)
8752 return -TARGET_EFAULT;
8753 p = lock_user_string(arg2);
8754 p2 = lock_user_string(arg4);
8755 if (!p || !p2)
8756 ret = -TARGET_EFAULT;
8757 else
8758 ret = get_errno(linkat(arg1, p, arg3, p2, arg5));
8759 unlock_user(p, arg2, 0);
8760 unlock_user(p2, arg4, 0);
8761 }
8762 return ret;
8763#endif
8764#ifdef TARGET_NR_unlink
8765 case TARGET_NR_unlink:
8766 if (!(p = lock_user_string(arg1)))
8767 return -TARGET_EFAULT;
8768 ret = get_errno(unlink(p));
8769 unlock_user(p, arg1, 0);
8770 return ret;
8771#endif
8772#if defined(TARGET_NR_unlinkat)
8773 case TARGET_NR_unlinkat:
8774 if (!(p = lock_user_string(arg2)))
8775 return -TARGET_EFAULT;
8776 ret = get_errno(unlinkat(arg1, p, arg3));
8777 unlock_user(p, arg2, 0);
8778 return ret;
8779#endif
8780 case TARGET_NR_execve:
8781 {
8782 char **argp, **envp;
8783 int argc, envc;
8784 abi_ulong gp;
8785 abi_ulong guest_argp;
8786 abi_ulong guest_envp;
8787 abi_ulong addr;
8788 char **q;
8789
8790 argc = 0;
8791 guest_argp = arg2;
8792 for (gp = guest_argp; gp; gp += sizeof(abi_ulong)) {
8793 if (get_user_ual(addr, gp))
8794 return -TARGET_EFAULT;
8795 if (!addr)
8796 break;
8797 argc++;
8798 }
8799 envc = 0;
8800 guest_envp = arg3;
8801 for (gp = guest_envp; gp; gp += sizeof(abi_ulong)) {
8802 if (get_user_ual(addr, gp))
8803 return -TARGET_EFAULT;
8804 if (!addr)
8805 break;
8806 envc++;
8807 }
8808
8809 argp = g_new0(char *, argc + 1);
8810 envp = g_new0(char *, envc + 1);
8811
8812 for (gp = guest_argp, q = argp; gp;
8813 gp += sizeof(abi_ulong), q++) {
8814 if (get_user_ual(addr, gp))
8815 goto execve_efault;
8816 if (!addr)
8817 break;
8818 if (!(*q = lock_user_string(addr)))
8819 goto execve_efault;
8820 }
8821 *q = NULL;
8822
8823 for (gp = guest_envp, q = envp; gp;
8824 gp += sizeof(abi_ulong), q++) {
8825 if (get_user_ual(addr, gp))
8826 goto execve_efault;
8827 if (!addr)
8828 break;
8829 if (!(*q = lock_user_string(addr)))
8830 goto execve_efault;
8831 }
8832 *q = NULL;
8833
8834 if (!(p = lock_user_string(arg1)))
8835 goto execve_efault;
8836
8837
8838
8839
8840
8841
8842
8843
8844
8845
8846 ret = get_errno(safe_execve(p, argp, envp));
8847 unlock_user(p, arg1, 0);
8848
8849 goto execve_end;
8850
8851 execve_efault:
8852 ret = -TARGET_EFAULT;
8853
8854 execve_end:
8855 for (gp = guest_argp, q = argp; *q;
8856 gp += sizeof(abi_ulong), q++) {
8857 if (get_user_ual(addr, gp)
8858 || !addr)
8859 break;
8860 unlock_user(*q, addr, 0);
8861 }
8862 for (gp = guest_envp, q = envp; *q;
8863 gp += sizeof(abi_ulong), q++) {
8864 if (get_user_ual(addr, gp)
8865 || !addr)
8866 break;
8867 unlock_user(*q, addr, 0);
8868 }
8869
8870 g_free(argp);
8871 g_free(envp);
8872 }
8873 return ret;
8874 case TARGET_NR_chdir:
8875 if (!(p = lock_user_string(arg1)))
8876 return -TARGET_EFAULT;
8877 ret = get_errno(chdir(p));
8878 unlock_user(p, arg1, 0);
8879 return ret;
8880#ifdef TARGET_NR_time
8881 case TARGET_NR_time:
8882 {
8883 time_t host_time;
8884 ret = get_errno(time(&host_time));
8885 if (!is_error(ret)
8886 && arg1
8887 && put_user_sal(host_time, arg1))
8888 return -TARGET_EFAULT;
8889 }
8890 return ret;
8891#endif
8892#ifdef TARGET_NR_mknod
8893 case TARGET_NR_mknod:
8894 if (!(p = lock_user_string(arg1)))
8895 return -TARGET_EFAULT;
8896 ret = get_errno(mknod(p, arg2, arg3));
8897 unlock_user(p, arg1, 0);
8898 return ret;
8899#endif
8900#if defined(TARGET_NR_mknodat)
8901 case TARGET_NR_mknodat:
8902 if (!(p = lock_user_string(arg2)))
8903 return -TARGET_EFAULT;
8904 ret = get_errno(mknodat(arg1, p, arg3, arg4));
8905 unlock_user(p, arg2, 0);
8906 return ret;
8907#endif
8908#ifdef TARGET_NR_chmod
8909 case TARGET_NR_chmod:
8910 if (!(p = lock_user_string(arg1)))
8911 return -TARGET_EFAULT;
8912 ret = get_errno(chmod(p, arg2));
8913 unlock_user(p, arg1, 0);
8914 return ret;
8915#endif
8916#ifdef TARGET_NR_lseek
8917 case TARGET_NR_lseek:
8918 return get_errno(lseek(arg1, arg2, arg3));
8919#endif
8920#if defined(TARGET_NR_getxpid) && defined(TARGET_ALPHA)
8921
8922 case TARGET_NR_getxpid:
8923 cpu_env->ir[IR_A4] = getppid();
8924 return get_errno(getpid());
8925#endif
8926#ifdef TARGET_NR_getpid
8927 case TARGET_NR_getpid:
8928 return get_errno(getpid());
8929#endif
8930 case TARGET_NR_mount:
8931 {
8932
8933 void *p2, *p3;
8934
8935 if (arg1) {
8936 p = lock_user_string(arg1);
8937 if (!p) {
8938 return -TARGET_EFAULT;
8939 }
8940 } else {
8941 p = NULL;
8942 }
8943
8944 p2 = lock_user_string(arg2);
8945 if (!p2) {
8946 if (arg1) {
8947 unlock_user(p, arg1, 0);
8948 }
8949 return -TARGET_EFAULT;
8950 }
8951
8952 if (arg3) {
8953 p3 = lock_user_string(arg3);
8954 if (!p3) {
8955 if (arg1) {
8956 unlock_user(p, arg1, 0);
8957 }
8958 unlock_user(p2, arg2, 0);
8959 return -TARGET_EFAULT;
8960 }
8961 } else {
8962 p3 = NULL;
8963 }
8964
8965
8966
8967
8968
8969 if (!arg5) {
8970 ret = mount(p, p2, p3, (unsigned long)arg4, NULL);
8971 } else {
8972 ret = mount(p, p2, p3, (unsigned long)arg4, g2h(cpu, arg5));
8973 }
8974 ret = get_errno(ret);
8975
8976 if (arg1) {
8977 unlock_user(p, arg1, 0);
8978 }
8979 unlock_user(p2, arg2, 0);
8980 if (arg3) {
8981 unlock_user(p3, arg3, 0);
8982 }
8983 }
8984 return ret;
8985#if defined(TARGET_NR_umount) || defined(TARGET_NR_oldumount)
8986#if defined(TARGET_NR_umount)
8987 case TARGET_NR_umount:
8988#endif
8989#if defined(TARGET_NR_oldumount)
8990 case TARGET_NR_oldumount:
8991#endif
8992 if (!(p = lock_user_string(arg1)))
8993 return -TARGET_EFAULT;
8994 ret = get_errno(umount(p));
8995 unlock_user(p, arg1, 0);
8996 return ret;
8997#endif
8998#ifdef TARGET_NR_stime
8999 case TARGET_NR_stime:
9000 {
9001 struct timespec ts;
9002 ts.tv_nsec = 0;
9003 if (get_user_sal(ts.tv_sec, arg1)) {
9004 return -TARGET_EFAULT;
9005 }
9006 return get_errno(clock_settime(CLOCK_REALTIME, &ts));
9007 }
9008#endif
9009#ifdef TARGET_NR_alarm
9010 case TARGET_NR_alarm:
9011 return alarm(arg1);
9012#endif
9013#ifdef TARGET_NR_pause
9014 case TARGET_NR_pause:
9015 if (!block_signals()) {
9016 sigsuspend(&((TaskState *)cpu->opaque)->signal_mask);
9017 }
9018 return -TARGET_EINTR;
9019#endif
9020#ifdef TARGET_NR_utime
9021 case TARGET_NR_utime:
9022 {
9023 struct utimbuf tbuf, *host_tbuf;
9024 struct target_utimbuf *target_tbuf;
9025 if (arg2) {
9026 if (!lock_user_struct(VERIFY_READ, target_tbuf, arg2, 1))
9027 return -TARGET_EFAULT;
9028 tbuf.actime = tswapal(target_tbuf->actime);
9029 tbuf.modtime = tswapal(target_tbuf->modtime);
9030 unlock_user_struct(target_tbuf, arg2, 0);
9031 host_tbuf = &tbuf;
9032 } else {
9033 host_tbuf = NULL;
9034 }
9035 if (!(p = lock_user_string(arg1)))
9036 return -TARGET_EFAULT;
9037 ret = get_errno(utime(p, host_tbuf));
9038 unlock_user(p, arg1, 0);
9039 }
9040 return ret;
9041#endif
9042#ifdef TARGET_NR_utimes
9043 case TARGET_NR_utimes:
9044 {
9045 struct timeval *tvp, tv[2];
9046 if (arg2) {
9047 if (copy_from_user_timeval(&tv[0], arg2)
9048 || copy_from_user_timeval(&tv[1],
9049 arg2 + sizeof(struct target_timeval)))
9050 return -TARGET_EFAULT;
9051 tvp = tv;
9052 } else {
9053 tvp = NULL;
9054 }
9055 if (!(p = lock_user_string(arg1)))
9056 return -TARGET_EFAULT;
9057 ret = get_errno(utimes(p, tvp));
9058 unlock_user(p, arg1, 0);
9059 }
9060 return ret;
9061#endif
9062#if defined(TARGET_NR_futimesat)
9063 case TARGET_NR_futimesat:
9064 {
9065 struct timeval *tvp, tv[2];
9066 if (arg3) {
9067 if (copy_from_user_timeval(&tv[0], arg3)
9068 || copy_from_user_timeval(&tv[1],
9069 arg3 + sizeof(struct target_timeval)))
9070 return -TARGET_EFAULT;
9071 tvp = tv;
9072 } else {
9073 tvp = NULL;
9074 }
9075 if (!(p = lock_user_string(arg2))) {
9076 return -TARGET_EFAULT;
9077 }
9078 ret = get_errno(futimesat(arg1, path(p), tvp));
9079 unlock_user(p, arg2, 0);
9080 }
9081 return ret;
9082#endif
9083#ifdef TARGET_NR_access
9084 case TARGET_NR_access:
9085 if (!(p = lock_user_string(arg1))) {
9086 return -TARGET_EFAULT;
9087 }
9088 ret = get_errno(access(path(p), arg2));
9089 unlock_user(p, arg1, 0);
9090 return ret;
9091#endif
9092#if defined(TARGET_NR_faccessat) && defined(__NR_faccessat)
9093 case TARGET_NR_faccessat:
9094 if (!(p = lock_user_string(arg2))) {
9095 return -TARGET_EFAULT;
9096 }
9097 ret = get_errno(faccessat(arg1, p, arg3, 0));
9098 unlock_user(p, arg2, 0);
9099 return ret;
9100#endif
9101#ifdef TARGET_NR_nice
9102 case TARGET_NR_nice:
9103 return get_errno(nice(arg1));
9104#endif
9105 case TARGET_NR_sync:
9106 sync();
9107 return 0;
9108#if defined(TARGET_NR_syncfs) && defined(CONFIG_SYNCFS)
9109 case TARGET_NR_syncfs:
9110 return get_errno(syncfs(arg1));
9111#endif
9112 case TARGET_NR_kill:
9113 return get_errno(safe_kill(arg1, target_to_host_signal(arg2)));
9114#ifdef TARGET_NR_rename
9115 case TARGET_NR_rename:
9116 {
9117 void *p2;
9118 p = lock_user_string(arg1);
9119 p2 = lock_user_string(arg2);
9120 if (!p || !p2)
9121 ret = -TARGET_EFAULT;
9122 else
9123 ret = get_errno(rename(p, p2));
9124 unlock_user(p2, arg2, 0);
9125 unlock_user(p, arg1, 0);
9126 }
9127 return ret;
9128#endif
9129#if defined(TARGET_NR_renameat)
9130 case TARGET_NR_renameat:
9131 {
9132 void *p2;
9133 p = lock_user_string(arg2);
9134 p2 = lock_user_string(arg4);
9135 if (!p || !p2)
9136 ret = -TARGET_EFAULT;
9137 else
9138 ret = get_errno(renameat(arg1, p, arg3, p2));
9139 unlock_user(p2, arg4, 0);
9140 unlock_user(p, arg2, 0);
9141 }
9142 return ret;
9143#endif
9144#if defined(TARGET_NR_renameat2)
9145 case TARGET_NR_renameat2:
9146 {
9147 void *p2;
9148 p = lock_user_string(arg2);
9149 p2 = lock_user_string(arg4);
9150 if (!p || !p2) {
9151 ret = -TARGET_EFAULT;
9152 } else {
9153 ret = get_errno(sys_renameat2(arg1, p, arg3, p2, arg5));
9154 }
9155 unlock_user(p2, arg4, 0);
9156 unlock_user(p, arg2, 0);
9157 }
9158 return ret;
9159#endif
9160#ifdef TARGET_NR_mkdir
9161 case TARGET_NR_mkdir:
9162 if (!(p = lock_user_string(arg1)))
9163 return -TARGET_EFAULT;
9164 ret = get_errno(mkdir(p, arg2));
9165 unlock_user(p, arg1, 0);
9166 return ret;
9167#endif
9168#if defined(TARGET_NR_mkdirat)
9169 case TARGET_NR_mkdirat:
9170 if (!(p = lock_user_string(arg2)))
9171 return -TARGET_EFAULT;
9172 ret = get_errno(mkdirat(arg1, p, arg3));
9173 unlock_user(p, arg2, 0);
9174 return ret;
9175#endif
9176#ifdef TARGET_NR_rmdir
9177 case TARGET_NR_rmdir:
9178 if (!(p = lock_user_string(arg1)))
9179 return -TARGET_EFAULT;
9180 ret = get_errno(rmdir(p));
9181 unlock_user(p, arg1, 0);
9182 return ret;
9183#endif
9184 case TARGET_NR_dup:
9185 ret = get_errno(dup(arg1));
9186 if (ret >= 0) {
9187 fd_trans_dup(arg1, ret);
9188 }
9189 return ret;
9190#ifdef TARGET_NR_pipe
9191 case TARGET_NR_pipe:
9192 return do_pipe(cpu_env, arg1, 0, 0);
9193#endif
9194#ifdef TARGET_NR_pipe2
9195 case TARGET_NR_pipe2:
9196 return do_pipe(cpu_env, arg1,
9197 target_to_host_bitmask(arg2, fcntl_flags_tbl), 1);
9198#endif
9199 case TARGET_NR_times:
9200 {
9201 struct target_tms *tmsp;
9202 struct tms tms;
9203 ret = get_errno(times(&tms));
9204 if (arg1) {
9205 tmsp = lock_user(VERIFY_WRITE, arg1, sizeof(struct target_tms), 0);
9206 if (!tmsp)
9207 return -TARGET_EFAULT;
9208 tmsp->tms_utime = tswapal(host_to_target_clock_t(tms.tms_utime));
9209 tmsp->tms_stime = tswapal(host_to_target_clock_t(tms.tms_stime));
9210 tmsp->tms_cutime = tswapal(host_to_target_clock_t(tms.tms_cutime));
9211 tmsp->tms_cstime = tswapal(host_to_target_clock_t(tms.tms_cstime));
9212 }
9213 if (!is_error(ret))
9214 ret = host_to_target_clock_t(ret);
9215 }
9216 return ret;
9217 case TARGET_NR_acct:
9218 if (arg1 == 0) {
9219 ret = get_errno(acct(NULL));
9220 } else {
9221 if (!(p = lock_user_string(arg1))) {
9222 return -TARGET_EFAULT;
9223 }
9224 ret = get_errno(acct(path(p)));
9225 unlock_user(p, arg1, 0);
9226 }
9227 return ret;
9228#ifdef TARGET_NR_umount2
9229 case TARGET_NR_umount2:
9230 if (!(p = lock_user_string(arg1)))
9231 return -TARGET_EFAULT;
9232 ret = get_errno(umount2(p, arg2));
9233 unlock_user(p, arg1, 0);
9234 return ret;
9235#endif
9236 case TARGET_NR_ioctl:
9237 return do_ioctl(arg1, arg2, arg3);
9238#ifdef TARGET_NR_fcntl
9239 case TARGET_NR_fcntl:
9240 return do_fcntl(arg1, arg2, arg3);
9241#endif
9242 case TARGET_NR_setpgid:
9243 return get_errno(setpgid(arg1, arg2));
9244 case TARGET_NR_umask:
9245 return get_errno(umask(arg1));
9246 case TARGET_NR_chroot:
9247 if (!(p = lock_user_string(arg1)))
9248 return -TARGET_EFAULT;
9249 ret = get_errno(chroot(p));
9250 unlock_user(p, arg1, 0);
9251 return ret;
9252#ifdef TARGET_NR_dup2
9253 case TARGET_NR_dup2:
9254 ret = get_errno(dup2(arg1, arg2));
9255 if (ret >= 0) {
9256 fd_trans_dup(arg1, arg2);
9257 }
9258 return ret;
9259#endif
9260#if defined(CONFIG_DUP3) && defined(TARGET_NR_dup3)
9261 case TARGET_NR_dup3:
9262 {
9263 int host_flags;
9264
9265 if ((arg3 & ~TARGET_O_CLOEXEC) != 0) {
9266 return -EINVAL;
9267 }
9268 host_flags = target_to_host_bitmask(arg3, fcntl_flags_tbl);
9269 ret = get_errno(dup3(arg1, arg2, host_flags));
9270 if (ret >= 0) {
9271 fd_trans_dup(arg1, arg2);
9272 }
9273 return ret;
9274 }
9275#endif
9276#ifdef TARGET_NR_getppid
9277 case TARGET_NR_getppid:
9278 return get_errno(getppid());
9279#endif
9280#ifdef TARGET_NR_getpgrp
9281 case TARGET_NR_getpgrp:
9282 return get_errno(getpgrp());
9283#endif
9284 case TARGET_NR_setsid:
9285 return get_errno(setsid());
9286#ifdef TARGET_NR_sigaction
9287 case TARGET_NR_sigaction:
9288 {
9289#if defined(TARGET_MIPS)
9290 struct target_sigaction act, oact, *pact, *old_act;
9291
9292 if (arg2) {
9293 if (!lock_user_struct(VERIFY_READ, old_act, arg2, 1))
9294 return -TARGET_EFAULT;
9295 act._sa_handler = old_act->_sa_handler;
9296 target_siginitset(&act.sa_mask, old_act->sa_mask.sig[0]);
9297 act.sa_flags = old_act->sa_flags;
9298 unlock_user_struct(old_act, arg2, 0);
9299 pact = &act;
9300 } else {
9301 pact = NULL;
9302 }
9303
9304 ret = get_errno(do_sigaction(arg1, pact, &oact, 0));
9305
9306 if (!is_error(ret) && arg3) {
9307 if (!lock_user_struct(VERIFY_WRITE, old_act, arg3, 0))
9308 return -TARGET_EFAULT;
9309 old_act->_sa_handler = oact._sa_handler;
9310 old_act->sa_flags = oact.sa_flags;
9311 old_act->sa_mask.sig[0] = oact.sa_mask.sig[0];
9312 old_act->sa_mask.sig[1] = 0;
9313 old_act->sa_mask.sig[2] = 0;
9314 old_act->sa_mask.sig[3] = 0;
9315 unlock_user_struct(old_act, arg3, 1);
9316 }
9317#else
9318 struct target_old_sigaction *old_act;
9319 struct target_sigaction act, oact, *pact;
9320 if (arg2) {
9321 if (!lock_user_struct(VERIFY_READ, old_act, arg2, 1))
9322 return -TARGET_EFAULT;
9323 act._sa_handler = old_act->_sa_handler;
9324 target_siginitset(&act.sa_mask, old_act->sa_mask);
9325 act.sa_flags = old_act->sa_flags;
9326#ifdef TARGET_ARCH_HAS_SA_RESTORER
9327 act.sa_restorer = old_act->sa_restorer;
9328#endif
9329 unlock_user_struct(old_act, arg2, 0);
9330 pact = &act;
9331 } else {
9332 pact = NULL;
9333 }
9334 ret = get_errno(do_sigaction(arg1, pact, &oact, 0));
9335 if (!is_error(ret) && arg3) {
9336 if (!lock_user_struct(VERIFY_WRITE, old_act, arg3, 0))
9337 return -TARGET_EFAULT;
9338 old_act->_sa_handler = oact._sa_handler;
9339 old_act->sa_mask = oact.sa_mask.sig[0];
9340 old_act->sa_flags = oact.sa_flags;
9341#ifdef TARGET_ARCH_HAS_SA_RESTORER
9342 old_act->sa_restorer = oact.sa_restorer;
9343#endif
9344 unlock_user_struct(old_act, arg3, 1);
9345 }
9346#endif
9347 }
9348 return ret;
9349#endif
9350 case TARGET_NR_rt_sigaction:
9351 {
9352
9353
9354
9355
9356
9357
9358
9359#if defined(TARGET_ALPHA)
9360 target_ulong sigsetsize = arg4;
9361 target_ulong restorer = arg5;
9362#elif defined(TARGET_SPARC)
9363 target_ulong restorer = arg4;
9364 target_ulong sigsetsize = arg5;
9365#else
9366 target_ulong sigsetsize = arg4;
9367 target_ulong restorer = 0;
9368#endif
9369 struct target_sigaction *act = NULL;
9370 struct target_sigaction *oact = NULL;
9371
9372 if (sigsetsize != sizeof(target_sigset_t)) {
9373 return -TARGET_EINVAL;
9374 }
9375 if (arg2 && !lock_user_struct(VERIFY_READ, act, arg2, 1)) {
9376 return -TARGET_EFAULT;
9377 }
9378 if (arg3 && !lock_user_struct(VERIFY_WRITE, oact, arg3, 0)) {
9379 ret = -TARGET_EFAULT;
9380 } else {
9381 ret = get_errno(do_sigaction(arg1, act, oact, restorer));
9382 if (oact) {
9383 unlock_user_struct(oact, arg3, 1);
9384 }
9385 }
9386 if (act) {
9387 unlock_user_struct(act, arg2, 0);
9388 }
9389 }
9390 return ret;
9391#ifdef TARGET_NR_sgetmask
9392 case TARGET_NR_sgetmask:
9393 {
9394 sigset_t cur_set;
9395 abi_ulong target_set;
9396 ret = do_sigprocmask(0, NULL, &cur_set);
9397 if (!ret) {
9398 host_to_target_old_sigset(&target_set, &cur_set);
9399 ret = target_set;
9400 }
9401 }
9402 return ret;
9403#endif
9404#ifdef TARGET_NR_ssetmask
9405 case TARGET_NR_ssetmask:
9406 {
9407 sigset_t set, oset;
9408 abi_ulong target_set = arg1;
9409 target_to_host_old_sigset(&set, &target_set);
9410 ret = do_sigprocmask(SIG_SETMASK, &set, &oset);
9411 if (!ret) {
9412 host_to_target_old_sigset(&target_set, &oset);
9413 ret = target_set;
9414 }
9415 }
9416 return ret;
9417#endif
9418#ifdef TARGET_NR_sigprocmask
9419 case TARGET_NR_sigprocmask:
9420 {
9421#if defined(TARGET_ALPHA)
9422 sigset_t set, oldset;
9423 abi_ulong mask;
9424 int how;
9425
9426 switch (arg1) {
9427 case TARGET_SIG_BLOCK:
9428 how = SIG_BLOCK;
9429 break;
9430 case TARGET_SIG_UNBLOCK:
9431 how = SIG_UNBLOCK;
9432 break;
9433 case TARGET_SIG_SETMASK:
9434 how = SIG_SETMASK;
9435 break;
9436 default:
9437 return -TARGET_EINVAL;
9438 }
9439 mask = arg2;
9440 target_to_host_old_sigset(&set, &mask);
9441
9442 ret = do_sigprocmask(how, &set, &oldset);
9443 if (!is_error(ret)) {
9444 host_to_target_old_sigset(&mask, &oldset);
9445 ret = mask;
9446 cpu_env->ir[IR_V0] = 0;
9447 }
9448#else
9449 sigset_t set, oldset, *set_ptr;
9450 int how;
9451
9452 if (arg2) {
9453 p = lock_user(VERIFY_READ, arg2, sizeof(target_sigset_t), 1);
9454 if (!p) {
9455 return -TARGET_EFAULT;
9456 }
9457 target_to_host_old_sigset(&set, p);
9458 unlock_user(p, arg2, 0);
9459 set_ptr = &set;
9460 switch (arg1) {
9461 case TARGET_SIG_BLOCK:
9462 how = SIG_BLOCK;
9463 break;
9464 case TARGET_SIG_UNBLOCK:
9465 how = SIG_UNBLOCK;
9466 break;
9467 case TARGET_SIG_SETMASK:
9468 how = SIG_SETMASK;
9469 break;
9470 default:
9471 return -TARGET_EINVAL;
9472 }
9473 } else {
9474 how = 0;
9475 set_ptr = NULL;
9476 }
9477 ret = do_sigprocmask(how, set_ptr, &oldset);
9478 if (!is_error(ret) && arg3) {
9479 if (!(p = lock_user(VERIFY_WRITE, arg3, sizeof(target_sigset_t), 0)))
9480 return -TARGET_EFAULT;
9481 host_to_target_old_sigset(p, &oldset);
9482 unlock_user(p, arg3, sizeof(target_sigset_t));
9483 }
9484#endif
9485 }
9486 return ret;
9487#endif
9488 case TARGET_NR_rt_sigprocmask:
9489 {
9490 int how = arg1;
9491 sigset_t set, oldset, *set_ptr;
9492
9493 if (arg4 != sizeof(target_sigset_t)) {
9494 return -TARGET_EINVAL;
9495 }
9496
9497 if (arg2) {
9498 p = lock_user(VERIFY_READ, arg2, sizeof(target_sigset_t), 1);
9499 if (!p) {
9500 return -TARGET_EFAULT;
9501 }
9502 target_to_host_sigset(&set, p);
9503 unlock_user(p, arg2, 0);
9504 set_ptr = &set;
9505 switch(how) {
9506 case TARGET_SIG_BLOCK:
9507 how = SIG_BLOCK;
9508 break;
9509 case TARGET_SIG_UNBLOCK:
9510 how = SIG_UNBLOCK;
9511 break;
9512 case TARGET_SIG_SETMASK:
9513 how = SIG_SETMASK;
9514 break;
9515 default:
9516 return -TARGET_EINVAL;
9517 }
9518 } else {
9519 how = 0;
9520 set_ptr = NULL;
9521 }
9522 ret = do_sigprocmask(how, set_ptr, &oldset);
9523 if (!is_error(ret) && arg3) {
9524 if (!(p = lock_user(VERIFY_WRITE, arg3, sizeof(target_sigset_t), 0)))
9525 return -TARGET_EFAULT;
9526 host_to_target_sigset(p, &oldset);
9527 unlock_user(p, arg3, sizeof(target_sigset_t));
9528 }
9529 }
9530 return ret;
9531#ifdef TARGET_NR_sigpending
9532 case TARGET_NR_sigpending:
9533 {
9534 sigset_t set;
9535 ret = get_errno(sigpending(&set));
9536 if (!is_error(ret)) {
9537 if (!(p = lock_user(VERIFY_WRITE, arg1, sizeof(target_sigset_t), 0)))
9538 return -TARGET_EFAULT;
9539 host_to_target_old_sigset(p, &set);
9540 unlock_user(p, arg1, sizeof(target_sigset_t));
9541 }
9542 }
9543 return ret;
9544#endif
9545 case TARGET_NR_rt_sigpending:
9546 {
9547 sigset_t set;
9548
9549
9550
9551
9552
9553
9554 if (arg2 > sizeof(target_sigset_t)) {
9555 return -TARGET_EINVAL;
9556 }
9557
9558 ret = get_errno(sigpending(&set));
9559 if (!is_error(ret)) {
9560 if (!(p = lock_user(VERIFY_WRITE, arg1, sizeof(target_sigset_t), 0)))
9561 return -TARGET_EFAULT;
9562 host_to_target_sigset(p, &set);
9563 unlock_user(p, arg1, sizeof(target_sigset_t));
9564 }
9565 }
9566 return ret;
9567#ifdef TARGET_NR_sigsuspend
9568 case TARGET_NR_sigsuspend:
9569 {
9570 sigset_t *set;
9571
9572#if defined(TARGET_ALPHA)
9573 TaskState *ts = cpu->opaque;
9574
9575 abi_ulong mask = tswapal(arg1);
9576 set = &ts->sigsuspend_mask;
9577 target_to_host_old_sigset(set, &mask);
9578#else
9579 ret = process_sigsuspend_mask(&set, arg1, sizeof(target_sigset_t));
9580 if (ret != 0) {
9581 return ret;
9582 }
9583#endif
9584 ret = get_errno(safe_rt_sigsuspend(set, SIGSET_T_SIZE));
9585 finish_sigsuspend_mask(ret);
9586 }
9587 return ret;
9588#endif
9589 case TARGET_NR_rt_sigsuspend:
9590 {
9591 sigset_t *set;
9592
9593 ret = process_sigsuspend_mask(&set, arg1, arg2);
9594 if (ret != 0) {
9595 return ret;
9596 }
9597 ret = get_errno(safe_rt_sigsuspend(set, SIGSET_T_SIZE));
9598 finish_sigsuspend_mask(ret);
9599 }
9600 return ret;
9601#ifdef TARGET_NR_rt_sigtimedwait
9602 case TARGET_NR_rt_sigtimedwait:
9603 {
9604 sigset_t set;
9605 struct timespec uts, *puts;
9606 siginfo_t uinfo;
9607
9608 if (arg4 != sizeof(target_sigset_t)) {
9609 return -TARGET_EINVAL;
9610 }
9611
9612 if (!(p = lock_user(VERIFY_READ, arg1, sizeof(target_sigset_t), 1)))
9613 return -TARGET_EFAULT;
9614 target_to_host_sigset(&set, p);
9615 unlock_user(p, arg1, 0);
9616 if (arg3) {
9617 puts = &uts;
9618 if (target_to_host_timespec(puts, arg3)) {
9619 return -TARGET_EFAULT;
9620 }
9621 } else {
9622 puts = NULL;
9623 }
9624 ret = get_errno(safe_rt_sigtimedwait(&set, &uinfo, puts,
9625 SIGSET_T_SIZE));
9626 if (!is_error(ret)) {
9627 if (arg2) {
9628 p = lock_user(VERIFY_WRITE, arg2, sizeof(target_siginfo_t),
9629 0);
9630 if (!p) {
9631 return -TARGET_EFAULT;
9632 }
9633 host_to_target_siginfo(p, &uinfo);
9634 unlock_user(p, arg2, sizeof(target_siginfo_t));
9635 }
9636 ret = host_to_target_signal(ret);
9637 }
9638 }
9639 return ret;
9640#endif
9641#ifdef TARGET_NR_rt_sigtimedwait_time64
9642 case TARGET_NR_rt_sigtimedwait_time64:
9643 {
9644 sigset_t set;
9645 struct timespec uts, *puts;
9646 siginfo_t uinfo;
9647
9648 if (arg4 != sizeof(target_sigset_t)) {
9649 return -TARGET_EINVAL;
9650 }
9651
9652 p = lock_user(VERIFY_READ, arg1, sizeof(target_sigset_t), 1);
9653 if (!p) {
9654 return -TARGET_EFAULT;
9655 }
9656 target_to_host_sigset(&set, p);
9657 unlock_user(p, arg1, 0);
9658 if (arg3) {
9659 puts = &uts;
9660 if (target_to_host_timespec64(puts, arg3)) {
9661 return -TARGET_EFAULT;
9662 }
9663 } else {
9664 puts = NULL;
9665 }
9666 ret = get_errno(safe_rt_sigtimedwait(&set, &uinfo, puts,
9667 SIGSET_T_SIZE));
9668 if (!is_error(ret)) {
9669 if (arg2) {
9670 p = lock_user(VERIFY_WRITE, arg2,
9671 sizeof(target_siginfo_t), 0);
9672 if (!p) {
9673 return -TARGET_EFAULT;
9674 }
9675 host_to_target_siginfo(p, &uinfo);
9676 unlock_user(p, arg2, sizeof(target_siginfo_t));
9677 }
9678 ret = host_to_target_signal(ret);
9679 }
9680 }
9681 return ret;
9682#endif
9683 case TARGET_NR_rt_sigqueueinfo:
9684 {
9685 siginfo_t uinfo;
9686
9687 p = lock_user(VERIFY_READ, arg3, sizeof(target_siginfo_t), 1);
9688 if (!p) {
9689 return -TARGET_EFAULT;
9690 }
9691 target_to_host_siginfo(&uinfo, p);
9692 unlock_user(p, arg3, 0);
9693 ret = get_errno(sys_rt_sigqueueinfo(arg1, arg2, &uinfo));
9694 }
9695 return ret;
9696 case TARGET_NR_rt_tgsigqueueinfo:
9697 {
9698 siginfo_t uinfo;
9699
9700 p = lock_user(VERIFY_READ, arg4, sizeof(target_siginfo_t), 1);
9701 if (!p) {
9702 return -TARGET_EFAULT;
9703 }
9704 target_to_host_siginfo(&uinfo, p);
9705 unlock_user(p, arg4, 0);
9706 ret = get_errno(sys_rt_tgsigqueueinfo(arg1, arg2, arg3, &uinfo));
9707 }
9708 return ret;
9709#ifdef TARGET_NR_sigreturn
9710 case TARGET_NR_sigreturn:
9711 if (block_signals()) {
9712 return -QEMU_ERESTARTSYS;
9713 }
9714 return do_sigreturn(cpu_env);
9715#endif
9716 case TARGET_NR_rt_sigreturn:
9717 if (block_signals()) {
9718 return -QEMU_ERESTARTSYS;
9719 }
9720 return do_rt_sigreturn(cpu_env);
9721 case TARGET_NR_sethostname:
9722 if (!(p = lock_user_string(arg1)))
9723 return -TARGET_EFAULT;
9724 ret = get_errno(sethostname(p, arg2));
9725 unlock_user(p, arg1, 0);
9726 return ret;
9727#ifdef TARGET_NR_setrlimit
9728 case TARGET_NR_setrlimit:
9729 {
9730 int resource = target_to_host_resource(arg1);
9731 struct target_rlimit *target_rlim;
9732 struct rlimit rlim;
9733 if (!lock_user_struct(VERIFY_READ, target_rlim, arg2, 1))
9734 return -TARGET_EFAULT;
9735 rlim.rlim_cur = target_to_host_rlim(target_rlim->rlim_cur);
9736 rlim.rlim_max = target_to_host_rlim(target_rlim->rlim_max);
9737 unlock_user_struct(target_rlim, arg2, 0);
9738
9739
9740
9741
9742
9743
9744
9745
9746 if (resource != RLIMIT_AS &&
9747 resource != RLIMIT_DATA &&
9748 resource != RLIMIT_STACK) {
9749 return get_errno(setrlimit(resource, &rlim));
9750 } else {
9751 return 0;
9752 }
9753 }
9754#endif
9755#ifdef TARGET_NR_getrlimit
9756 case TARGET_NR_getrlimit:
9757 {
9758 int resource = target_to_host_resource(arg1);
9759 struct target_rlimit *target_rlim;
9760 struct rlimit rlim;
9761
9762 ret = get_errno(getrlimit(resource, &rlim));
9763 if (!is_error(ret)) {
9764 if (!lock_user_struct(VERIFY_WRITE, target_rlim, arg2, 0))
9765 return -TARGET_EFAULT;
9766 target_rlim->rlim_cur = host_to_target_rlim(rlim.rlim_cur);
9767 target_rlim->rlim_max = host_to_target_rlim(rlim.rlim_max);
9768 unlock_user_struct(target_rlim, arg2, 1);
9769 }
9770 }
9771 return ret;
9772#endif
9773 case TARGET_NR_getrusage:
9774 {
9775 struct rusage rusage;
9776 ret = get_errno(getrusage(arg1, &rusage));
9777 if (!is_error(ret)) {
9778 ret = host_to_target_rusage(arg2, &rusage);
9779 }
9780 }
9781 return ret;
9782#if defined(TARGET_NR_gettimeofday)
9783 case TARGET_NR_gettimeofday:
9784 {
9785 struct timeval tv;
9786 struct timezone tz;
9787
9788 ret = get_errno(gettimeofday(&tv, &tz));
9789 if (!is_error(ret)) {
9790 if (arg1 && copy_to_user_timeval(arg1, &tv)) {
9791 return -TARGET_EFAULT;
9792 }
9793 if (arg2 && copy_to_user_timezone(arg2, &tz)) {
9794 return -TARGET_EFAULT;
9795 }
9796 }
9797 }
9798 return ret;
9799#endif
9800#if defined(TARGET_NR_settimeofday)
9801 case TARGET_NR_settimeofday:
9802 {
9803 struct timeval tv, *ptv = NULL;
9804 struct timezone tz, *ptz = NULL;
9805
9806 if (arg1) {
9807 if (copy_from_user_timeval(&tv, arg1)) {
9808 return -TARGET_EFAULT;
9809 }
9810 ptv = &tv;
9811 }
9812
9813 if (arg2) {
9814 if (copy_from_user_timezone(&tz, arg2)) {
9815 return -TARGET_EFAULT;
9816 }
9817 ptz = &tz;
9818 }
9819
9820 return get_errno(settimeofday(ptv, ptz));
9821 }
9822#endif
9823#if defined(TARGET_NR_select)
9824 case TARGET_NR_select:
9825#if defined(TARGET_WANT_NI_OLD_SELECT)
9826
9827
9828
9829 ret = -TARGET_ENOSYS;
9830#elif defined(TARGET_WANT_OLD_SYS_SELECT)
9831 ret = do_old_select(arg1);
9832#else
9833 ret = do_select(arg1, arg2, arg3, arg4, arg5);
9834#endif
9835 return ret;
9836#endif
9837#ifdef TARGET_NR_pselect6
9838 case TARGET_NR_pselect6:
9839 return do_pselect6(arg1, arg2, arg3, arg4, arg5, arg6, false);
9840#endif
9841#ifdef TARGET_NR_pselect6_time64
9842 case TARGET_NR_pselect6_time64:
9843 return do_pselect6(arg1, arg2, arg3, arg4, arg5, arg6, true);
9844#endif
9845#ifdef TARGET_NR_symlink
9846 case TARGET_NR_symlink:
9847 {
9848 void *p2;
9849 p = lock_user_string(arg1);
9850 p2 = lock_user_string(arg2);
9851 if (!p || !p2)
9852 ret = -TARGET_EFAULT;
9853 else
9854 ret = get_errno(symlink(p, p2));
9855 unlock_user(p2, arg2, 0);
9856 unlock_user(p, arg1, 0);
9857 }
9858 return ret;
9859#endif
9860#if defined(TARGET_NR_symlinkat)
9861 case TARGET_NR_symlinkat:
9862 {
9863 void *p2;
9864 p = lock_user_string(arg1);
9865 p2 = lock_user_string(arg3);
9866 if (!p || !p2)
9867 ret = -TARGET_EFAULT;
9868 else
9869 ret = get_errno(symlinkat(p, arg2, p2));
9870 unlock_user(p2, arg3, 0);
9871 unlock_user(p, arg1, 0);
9872 }
9873 return ret;
9874#endif
9875#ifdef TARGET_NR_readlink
9876 case TARGET_NR_readlink:
9877 {
9878 void *p2;
9879 p = lock_user_string(arg1);
9880 p2 = lock_user(VERIFY_WRITE, arg2, arg3, 0);
9881 if (!p || !p2) {
9882 ret = -TARGET_EFAULT;
9883 } else if (!arg3) {
9884
9885 ret = -TARGET_EINVAL;
9886 } else if (is_proc_myself((const char *)p, "exe")) {
9887 char real[PATH_MAX], *temp;
9888 temp = realpath(exec_path, real);
9889
9890 if (temp == NULL) {
9891 ret = get_errno(-1);
9892 } else {
9893
9894
9895 ret = MIN(strlen(real), arg3);
9896
9897 memcpy(p2, real, ret);
9898 }
9899 } else {
9900 ret = get_errno(readlink(path(p), p2, arg3));
9901 }
9902 unlock_user(p2, arg2, ret);
9903 unlock_user(p, arg1, 0);
9904 }
9905 return ret;
9906#endif
9907#if defined(TARGET_NR_readlinkat)
9908 case TARGET_NR_readlinkat:
9909 {
9910 void *p2;
9911 p = lock_user_string(arg2);
9912 p2 = lock_user(VERIFY_WRITE, arg3, arg4, 0);
9913 if (!p || !p2) {
9914 ret = -TARGET_EFAULT;
9915 } else if (is_proc_myself((const char *)p, "exe")) {
9916 char real[PATH_MAX], *temp;
9917 temp = realpath(exec_path, real);
9918 ret = temp == NULL ? get_errno(-1) : strlen(real) ;
9919 snprintf((char *)p2, arg4, "%s", real);
9920 } else {
9921 ret = get_errno(readlinkat(arg1, path(p), p2, arg4));
9922 }
9923 unlock_user(p2, arg3, ret);
9924 unlock_user(p, arg2, 0);
9925 }
9926 return ret;
9927#endif
9928#ifdef TARGET_NR_swapon
9929 case TARGET_NR_swapon:
9930 if (!(p = lock_user_string(arg1)))
9931 return -TARGET_EFAULT;
9932 ret = get_errno(swapon(p, arg2));
9933 unlock_user(p, arg1, 0);
9934 return ret;
9935#endif
9936 case TARGET_NR_reboot:
9937 if (arg3 == LINUX_REBOOT_CMD_RESTART2) {
9938
9939 p = lock_user_string(arg4);
9940 if (!p) {
9941 return -TARGET_EFAULT;
9942 }
9943 ret = get_errno(reboot(arg1, arg2, arg3, p));
9944 unlock_user(p, arg4, 0);
9945 } else {
9946 ret = get_errno(reboot(arg1, arg2, arg3, NULL));
9947 }
9948 return ret;
9949#ifdef TARGET_NR_mmap
9950 case TARGET_NR_mmap:
9951#if (defined(TARGET_I386) && defined(TARGET_ABI32)) || \
9952 (defined(TARGET_ARM) && defined(TARGET_ABI32)) || \
9953 defined(TARGET_M68K) || defined(TARGET_CRIS) || defined(TARGET_MICROBLAZE) \
9954 || defined(TARGET_S390X)
9955 {
9956 abi_ulong *v;
9957 abi_ulong v1, v2, v3, v4, v5, v6;
9958 if (!(v = lock_user(VERIFY_READ, arg1, 6 * sizeof(abi_ulong), 1)))
9959 return -TARGET_EFAULT;
9960 v1 = tswapal(v[0]);
9961 v2 = tswapal(v[1]);
9962 v3 = tswapal(v[2]);
9963 v4 = tswapal(v[3]);
9964 v5 = tswapal(v[4]);
9965 v6 = tswapal(v[5]);
9966 unlock_user(v, arg1, 0);
9967 ret = get_errno(target_mmap(v1, v2, v3,
9968 target_to_host_bitmask(v4, mmap_flags_tbl),
9969 v5, v6));
9970 }
9971#else
9972
9973 ret = get_errno(target_mmap(arg1, arg2, arg3,
9974 target_to_host_bitmask(arg4, mmap_flags_tbl),
9975 arg5,
9976 arg6));
9977#endif
9978 return ret;
9979#endif
9980#ifdef TARGET_NR_mmap2
9981 case TARGET_NR_mmap2:
9982#ifndef MMAP_SHIFT
9983#define MMAP_SHIFT 12
9984#endif
9985 ret = target_mmap(arg1, arg2, arg3,
9986 target_to_host_bitmask(arg4, mmap_flags_tbl),
9987 arg5, arg6 << MMAP_SHIFT);
9988 return get_errno(ret);
9989#endif
9990 case TARGET_NR_munmap:
9991 arg1 = cpu_untagged_addr(cpu, arg1);
9992 return get_errno(target_munmap(arg1, arg2));
9993 case TARGET_NR_mprotect:
9994 arg1 = cpu_untagged_addr(cpu, arg1);
9995 {
9996 TaskState *ts = cpu->opaque;
9997
9998 if ((arg3 & PROT_GROWSDOWN)
9999 && arg1 >= ts->info->stack_limit
10000 && arg1 <= ts->info->start_stack) {
10001 arg3 &= ~PROT_GROWSDOWN;
10002 arg2 = arg2 + arg1 - ts->info->stack_limit;
10003 arg1 = ts->info->stack_limit;
10004 }
10005 }
10006 return get_errno(target_mprotect(arg1, arg2, arg3));
10007#ifdef TARGET_NR_mremap
10008 case TARGET_NR_mremap:
10009 arg1 = cpu_untagged_addr(cpu, arg1);
10010
10011 return get_errno(target_mremap(arg1, arg2, arg3, arg4, arg5));
10012#endif
10013
10014#ifdef TARGET_NR_msync
10015 case TARGET_NR_msync:
10016 return get_errno(msync(g2h(cpu, arg1), arg2, arg3));
10017#endif
10018#ifdef TARGET_NR_mlock
10019 case TARGET_NR_mlock:
10020 return get_errno(mlock(g2h(cpu, arg1), arg2));
10021#endif
10022#ifdef TARGET_NR_munlock
10023 case TARGET_NR_munlock:
10024 return get_errno(munlock(g2h(cpu, arg1), arg2));
10025#endif
10026#ifdef TARGET_NR_mlockall
10027 case TARGET_NR_mlockall:
10028 return get_errno(mlockall(target_to_host_mlockall_arg(arg1)));
10029#endif
10030#ifdef TARGET_NR_munlockall
10031 case TARGET_NR_munlockall:
10032 return get_errno(munlockall());
10033#endif
10034#ifdef TARGET_NR_truncate
10035 case TARGET_NR_truncate:
10036 if (!(p = lock_user_string(arg1)))
10037 return -TARGET_EFAULT;
10038 ret = get_errno(truncate(p, arg2));
10039 unlock_user(p, arg1, 0);
10040 return ret;
10041#endif
10042#ifdef TARGET_NR_ftruncate
10043 case TARGET_NR_ftruncate:
10044 return get_errno(ftruncate(arg1, arg2));
10045#endif
10046 case TARGET_NR_fchmod:
10047 return get_errno(fchmod(arg1, arg2));
10048#if defined(TARGET_NR_fchmodat)
10049 case TARGET_NR_fchmodat:
10050 if (!(p = lock_user_string(arg2)))
10051 return -TARGET_EFAULT;
10052 ret = get_errno(fchmodat(arg1, p, arg3, 0));
10053 unlock_user(p, arg2, 0);
10054 return ret;
10055#endif
10056 case TARGET_NR_getpriority:
10057
10058
10059 errno = 0;
10060 ret = getpriority(arg1, arg2);
10061 if (ret == -1 && errno != 0) {
10062 return -host_to_target_errno(errno);
10063 }
10064#ifdef TARGET_ALPHA
10065
10066 cpu_env->ir[IR_V0] = 0;
10067#else
10068
10069 ret = 20 - ret;
10070#endif
10071 return ret;
10072 case TARGET_NR_setpriority:
10073 return get_errno(setpriority(arg1, arg2, arg3));
10074#ifdef TARGET_NR_statfs
10075 case TARGET_NR_statfs:
10076 if (!(p = lock_user_string(arg1))) {
10077 return -TARGET_EFAULT;
10078 }
10079 ret = get_errno(statfs(path(p), &stfs));
10080 unlock_user(p, arg1, 0);
10081 convert_statfs:
10082 if (!is_error(ret)) {
10083 struct target_statfs *target_stfs;
10084
10085 if (!lock_user_struct(VERIFY_WRITE, target_stfs, arg2, 0))
10086 return -TARGET_EFAULT;
10087 __put_user(stfs.f_type, &target_stfs->f_type);
10088 __put_user(stfs.f_bsize, &target_stfs->f_bsize);
10089 __put_user(stfs.f_blocks, &target_stfs->f_blocks);
10090 __put_user(stfs.f_bfree, &target_stfs->f_bfree);
10091 __put_user(stfs.f_bavail, &target_stfs->f_bavail);
10092 __put_user(stfs.f_files, &target_stfs->f_files);
10093 __put_user(stfs.f_ffree, &target_stfs->f_ffree);
10094 __put_user(stfs.f_fsid.__val[0], &target_stfs->f_fsid.val[0]);
10095 __put_user(stfs.f_fsid.__val[1], &target_stfs->f_fsid.val[1]);
10096 __put_user(stfs.f_namelen, &target_stfs->f_namelen);
10097 __put_user(stfs.f_frsize, &target_stfs->f_frsize);
10098#ifdef _STATFS_F_FLAGS
10099 __put_user(stfs.f_flags, &target_stfs->f_flags);
10100#else
10101 __put_user(0, &target_stfs->f_flags);
10102#endif
10103 memset(target_stfs->f_spare, 0, sizeof(target_stfs->f_spare));
10104 unlock_user_struct(target_stfs, arg2, 1);
10105 }
10106 return ret;
10107#endif
10108#ifdef TARGET_NR_fstatfs
10109 case TARGET_NR_fstatfs:
10110 ret = get_errno(fstatfs(arg1, &stfs));
10111 goto convert_statfs;
10112#endif
10113#ifdef TARGET_NR_statfs64
10114 case TARGET_NR_statfs64:
10115 if (!(p = lock_user_string(arg1))) {
10116 return -TARGET_EFAULT;
10117 }
10118 ret = get_errno(statfs(path(p), &stfs));
10119 unlock_user(p, arg1, 0);
10120 convert_statfs64:
10121 if (!is_error(ret)) {
10122 struct target_statfs64 *target_stfs;
10123
10124 if (!lock_user_struct(VERIFY_WRITE, target_stfs, arg3, 0))
10125 return -TARGET_EFAULT;
10126 __put_user(stfs.f_type, &target_stfs->f_type);
10127 __put_user(stfs.f_bsize, &target_stfs->f_bsize);
10128 __put_user(stfs.f_blocks, &target_stfs->f_blocks);
10129 __put_user(stfs.f_bfree, &target_stfs->f_bfree);
10130 __put_user(stfs.f_bavail, &target_stfs->f_bavail);
10131 __put_user(stfs.f_files, &target_stfs->f_files);
10132 __put_user(stfs.f_ffree, &target_stfs->f_ffree);
10133 __put_user(stfs.f_fsid.__val[0], &target_stfs->f_fsid.val[0]);
10134 __put_user(stfs.f_fsid.__val[1], &target_stfs->f_fsid.val[1]);
10135 __put_user(stfs.f_namelen, &target_stfs->f_namelen);
10136 __put_user(stfs.f_frsize, &target_stfs->f_frsize);
10137#ifdef _STATFS_F_FLAGS
10138 __put_user(stfs.f_flags, &target_stfs->f_flags);
10139#else
10140 __put_user(0, &target_stfs->f_flags);
10141#endif
10142 memset(target_stfs->f_spare, 0, sizeof(target_stfs->f_spare));
10143 unlock_user_struct(target_stfs, arg3, 1);
10144 }
10145 return ret;
10146 case TARGET_NR_fstatfs64:
10147 ret = get_errno(fstatfs(arg1, &stfs));
10148 goto convert_statfs64;
10149#endif
10150#ifdef TARGET_NR_socketcall
10151 case TARGET_NR_socketcall:
10152 return do_socketcall(arg1, arg2);
10153#endif
10154#ifdef TARGET_NR_accept
10155 case TARGET_NR_accept:
10156 return do_accept4(arg1, arg2, arg3, 0);
10157#endif
10158#ifdef TARGET_NR_accept4
10159 case TARGET_NR_accept4:
10160 return do_accept4(arg1, arg2, arg3, arg4);
10161#endif
10162#ifdef TARGET_NR_bind
10163 case TARGET_NR_bind:
10164 return do_bind(arg1, arg2, arg3);
10165#endif
10166#ifdef TARGET_NR_connect
10167 case TARGET_NR_connect:
10168 return do_connect(arg1, arg2, arg3);
10169#endif
10170#ifdef TARGET_NR_getpeername
10171 case TARGET_NR_getpeername:
10172 return do_getpeername(arg1, arg2, arg3);
10173#endif
10174#ifdef TARGET_NR_getsockname
10175 case TARGET_NR_getsockname:
10176 return do_getsockname(arg1, arg2, arg3);
10177#endif
10178#ifdef TARGET_NR_getsockopt
10179 case TARGET_NR_getsockopt:
10180 return do_getsockopt(arg1, arg2, arg3, arg4, arg5);
10181#endif
10182#ifdef TARGET_NR_listen
10183 case TARGET_NR_listen:
10184 return get_errno(listen(arg1, arg2));
10185#endif
10186#ifdef TARGET_NR_recv
10187 case TARGET_NR_recv:
10188 return do_recvfrom(arg1, arg2, arg3, arg4, 0, 0);
10189#endif
10190#ifdef TARGET_NR_recvfrom
10191 case TARGET_NR_recvfrom:
10192 return do_recvfrom(arg1, arg2, arg3, arg4, arg5, arg6);
10193#endif
10194#ifdef TARGET_NR_recvmsg
10195 case TARGET_NR_recvmsg:
10196 return do_sendrecvmsg(arg1, arg2, arg3, 0);
10197#endif
10198#ifdef TARGET_NR_send
10199 case TARGET_NR_send:
10200 return do_sendto(arg1, arg2, arg3, arg4, 0, 0);
10201#endif
10202#ifdef TARGET_NR_sendmsg
10203 case TARGET_NR_sendmsg:
10204 return do_sendrecvmsg(arg1, arg2, arg3, 1);
10205#endif
10206#ifdef TARGET_NR_sendmmsg
10207 case TARGET_NR_sendmmsg:
10208 return do_sendrecvmmsg(arg1, arg2, arg3, arg4, 1);
10209#endif
10210#ifdef TARGET_NR_recvmmsg
10211 case TARGET_NR_recvmmsg:
10212 return do_sendrecvmmsg(arg1, arg2, arg3, arg4, 0);
10213#endif
10214#ifdef TARGET_NR_sendto
10215 case TARGET_NR_sendto:
10216 return do_sendto(arg1, arg2, arg3, arg4, arg5, arg6);
10217#endif
10218#ifdef TARGET_NR_shutdown
10219 case TARGET_NR_shutdown:
10220 return get_errno(shutdown(arg1, arg2));
10221#endif
10222#if defined(TARGET_NR_getrandom) && defined(__NR_getrandom)
10223 case TARGET_NR_getrandom:
10224 p = lock_user(VERIFY_WRITE, arg1, arg2, 0);
10225 if (!p) {
10226 return -TARGET_EFAULT;
10227 }
10228 ret = get_errno(getrandom(p, arg2, arg3));
10229 unlock_user(p, arg1, ret);
10230 return ret;
10231#endif
10232#ifdef TARGET_NR_socket
10233 case TARGET_NR_socket:
10234 return do_socket(arg1, arg2, arg3);
10235#endif
10236#ifdef TARGET_NR_socketpair
10237 case TARGET_NR_socketpair:
10238 return do_socketpair(arg1, arg2, arg3, arg4);
10239#endif
10240#ifdef TARGET_NR_setsockopt
10241 case TARGET_NR_setsockopt:
10242 return do_setsockopt(arg1, arg2, arg3, arg4, (socklen_t) arg5);
10243#endif
10244#if defined(TARGET_NR_syslog)
10245 case TARGET_NR_syslog:
10246 {
10247 int len = arg2;
10248
10249 switch (arg1) {
10250 case TARGET_SYSLOG_ACTION_CLOSE:
10251 case TARGET_SYSLOG_ACTION_OPEN:
10252 case TARGET_SYSLOG_ACTION_CLEAR:
10253 case TARGET_SYSLOG_ACTION_CONSOLE_OFF:
10254 case TARGET_SYSLOG_ACTION_CONSOLE_ON:
10255 case TARGET_SYSLOG_ACTION_CONSOLE_LEVEL:
10256 case TARGET_SYSLOG_ACTION_SIZE_UNREAD:
10257 case TARGET_SYSLOG_ACTION_SIZE_BUFFER:
10258 return get_errno(sys_syslog((int)arg1, NULL, (int)arg3));
10259 case TARGET_SYSLOG_ACTION_READ:
10260 case TARGET_SYSLOG_ACTION_READ_CLEAR:
10261 case TARGET_SYSLOG_ACTION_READ_ALL:
10262 {
10263 if (len < 0) {
10264 return -TARGET_EINVAL;
10265 }
10266 if (len == 0) {
10267 return 0;
10268 }
10269 p = lock_user(VERIFY_WRITE, arg2, arg3, 0);
10270 if (!p) {
10271 return -TARGET_EFAULT;
10272 }
10273 ret = get_errno(sys_syslog((int)arg1, p, (int)arg3));
10274 unlock_user(p, arg2, arg3);
10275 }
10276 return ret;
10277 default:
10278 return -TARGET_EINVAL;
10279 }
10280 }
10281 break;
10282#endif
10283 case TARGET_NR_setitimer:
10284 {
10285 struct itimerval value, ovalue, *pvalue;
10286
10287 if (arg2) {
10288 pvalue = &value;
10289 if (copy_from_user_timeval(&pvalue->it_interval, arg2)
10290 || copy_from_user_timeval(&pvalue->it_value,
10291 arg2 + sizeof(struct target_timeval)))
10292 return -TARGET_EFAULT;
10293 } else {
10294 pvalue = NULL;
10295 }
10296 ret = get_errno(setitimer(arg1, pvalue, &ovalue));
10297 if (!is_error(ret) && arg3) {
10298 if (copy_to_user_timeval(arg3,
10299 &ovalue.it_interval)
10300 || copy_to_user_timeval(arg3 + sizeof(struct target_timeval),
10301 &ovalue.it_value))
10302 return -TARGET_EFAULT;
10303 }
10304 }
10305 return ret;
10306 case TARGET_NR_getitimer:
10307 {
10308 struct itimerval value;
10309
10310 ret = get_errno(getitimer(arg1, &value));
10311 if (!is_error(ret) && arg2) {
10312 if (copy_to_user_timeval(arg2,
10313 &value.it_interval)
10314 || copy_to_user_timeval(arg2 + sizeof(struct target_timeval),
10315 &value.it_value))
10316 return -TARGET_EFAULT;
10317 }
10318 }
10319 return ret;
10320#ifdef TARGET_NR_stat
10321 case TARGET_NR_stat:
10322 if (!(p = lock_user_string(arg1))) {
10323 return -TARGET_EFAULT;
10324 }
10325 ret = get_errno(stat(path(p), &st));
10326 unlock_user(p, arg1, 0);
10327 goto do_stat;
10328#endif
10329#ifdef TARGET_NR_lstat
10330 case TARGET_NR_lstat:
10331 if (!(p = lock_user_string(arg1))) {
10332 return -TARGET_EFAULT;
10333 }
10334 ret = get_errno(lstat(path(p), &st));
10335 unlock_user(p, arg1, 0);
10336 goto do_stat;
10337#endif
10338#ifdef TARGET_NR_fstat
10339 case TARGET_NR_fstat:
10340 {
10341 ret = get_errno(fstat(arg1, &st));
10342#if defined(TARGET_NR_stat) || defined(TARGET_NR_lstat)
10343 do_stat:
10344#endif
10345 if (!is_error(ret)) {
10346 struct target_stat *target_st;
10347
10348 if (!lock_user_struct(VERIFY_WRITE, target_st, arg2, 0))
10349 return -TARGET_EFAULT;
10350 memset(target_st, 0, sizeof(*target_st));
10351 __put_user(st.st_dev, &target_st->st_dev);
10352 __put_user(st.st_ino, &target_st->st_ino);
10353 __put_user(st.st_mode, &target_st->st_mode);
10354 __put_user(st.st_uid, &target_st->st_uid);
10355 __put_user(st.st_gid, &target_st->st_gid);
10356 __put_user(st.st_nlink, &target_st->st_nlink);
10357 __put_user(st.st_rdev, &target_st->st_rdev);
10358 __put_user(st.st_size, &target_st->st_size);
10359 __put_user(st.st_blksize, &target_st->st_blksize);
10360 __put_user(st.st_blocks, &target_st->st_blocks);
10361 __put_user(st.st_atime, &target_st->target_st_atime);
10362 __put_user(st.st_mtime, &target_st->target_st_mtime);
10363 __put_user(st.st_ctime, &target_st->target_st_ctime);
10364#if defined(HAVE_STRUCT_STAT_ST_ATIM) && defined(TARGET_STAT_HAVE_NSEC)
10365 __put_user(st.st_atim.tv_nsec,
10366 &target_st->target_st_atime_nsec);
10367 __put_user(st.st_mtim.tv_nsec,
10368 &target_st->target_st_mtime_nsec);
10369 __put_user(st.st_ctim.tv_nsec,
10370 &target_st->target_st_ctime_nsec);
10371#endif
10372 unlock_user_struct(target_st, arg2, 1);
10373 }
10374 }
10375 return ret;
10376#endif
10377 case TARGET_NR_vhangup:
10378 return get_errno(vhangup());
10379#ifdef TARGET_NR_syscall
10380 case TARGET_NR_syscall:
10381 return do_syscall(cpu_env, arg1 & 0xffff, arg2, arg3, arg4, arg5,
10382 arg6, arg7, arg8, 0);
10383#endif
10384#if defined(TARGET_NR_wait4)
10385 case TARGET_NR_wait4:
10386 {
10387 int status;
10388 abi_long status_ptr = arg2;
10389 struct rusage rusage, *rusage_ptr;
10390 abi_ulong target_rusage = arg4;
10391 abi_long rusage_err;
10392 if (target_rusage)
10393 rusage_ptr = &rusage;
10394 else
10395 rusage_ptr = NULL;
10396 ret = get_errno(safe_wait4(arg1, &status, arg3, rusage_ptr));
10397 if (!is_error(ret)) {
10398 if (status_ptr && ret) {
10399 status = host_to_target_waitstatus(status);
10400 if (put_user_s32(status, status_ptr))
10401 return -TARGET_EFAULT;
10402 }
10403 if (target_rusage) {
10404 rusage_err = host_to_target_rusage(target_rusage, &rusage);
10405 if (rusage_err) {
10406 ret = rusage_err;
10407 }
10408 }
10409 }
10410 }
10411 return ret;
10412#endif
10413#ifdef TARGET_NR_swapoff
10414 case TARGET_NR_swapoff:
10415 if (!(p = lock_user_string(arg1)))
10416 return -TARGET_EFAULT;
10417 ret = get_errno(swapoff(p));
10418 unlock_user(p, arg1, 0);
10419 return ret;
10420#endif
10421 case TARGET_NR_sysinfo:
10422 {
10423 struct target_sysinfo *target_value;
10424 struct sysinfo value;
10425 ret = get_errno(sysinfo(&value));
10426 if (!is_error(ret) && arg1)
10427 {
10428 if (!lock_user_struct(VERIFY_WRITE, target_value, arg1, 0))
10429 return -TARGET_EFAULT;
10430 __put_user(value.uptime, &target_value->uptime);
10431 __put_user(value.loads[0], &target_value->loads[0]);
10432 __put_user(value.loads[1], &target_value->loads[1]);
10433 __put_user(value.loads[2], &target_value->loads[2]);
10434 __put_user(value.totalram, &target_value->totalram);
10435 __put_user(value.freeram, &target_value->freeram);
10436 __put_user(value.sharedram, &target_value->sharedram);
10437 __put_user(value.bufferram, &target_value->bufferram);
10438 __put_user(value.totalswap, &target_value->totalswap);
10439 __put_user(value.freeswap, &target_value->freeswap);
10440 __put_user(value.procs, &target_value->procs);
10441 __put_user(value.totalhigh, &target_value->totalhigh);
10442 __put_user(value.freehigh, &target_value->freehigh);
10443 __put_user(value.mem_unit, &target_value->mem_unit);
10444 unlock_user_struct(target_value, arg1, 1);
10445 }
10446 }
10447 return ret;
10448#ifdef TARGET_NR_ipc
10449 case TARGET_NR_ipc:
10450 return do_ipc(cpu_env, arg1, arg2, arg3, arg4, arg5, arg6);
10451#endif
10452#ifdef TARGET_NR_semget
10453 case TARGET_NR_semget:
10454 return get_errno(semget(arg1, arg2, arg3));
10455#endif
10456#ifdef TARGET_NR_semop
10457 case TARGET_NR_semop:
10458 return do_semtimedop(arg1, arg2, arg3, 0, false);
10459#endif
10460#ifdef TARGET_NR_semtimedop
10461 case TARGET_NR_semtimedop:
10462 return do_semtimedop(arg1, arg2, arg3, arg4, false);
10463#endif
10464#ifdef TARGET_NR_semtimedop_time64
10465 case TARGET_NR_semtimedop_time64:
10466 return do_semtimedop(arg1, arg2, arg3, arg4, true);
10467#endif
10468#ifdef TARGET_NR_semctl
10469 case TARGET_NR_semctl:
10470 return do_semctl(arg1, arg2, arg3, arg4);
10471#endif
10472#ifdef TARGET_NR_msgctl
10473 case TARGET_NR_msgctl:
10474 return do_msgctl(arg1, arg2, arg3);
10475#endif
10476#ifdef TARGET_NR_msgget
10477 case TARGET_NR_msgget:
10478 return get_errno(msgget(arg1, arg2));
10479#endif
10480#ifdef TARGET_NR_msgrcv
10481 case TARGET_NR_msgrcv:
10482 return do_msgrcv(arg1, arg2, arg3, arg4, arg5);
10483#endif
10484#ifdef TARGET_NR_msgsnd
10485 case TARGET_NR_msgsnd:
10486 return do_msgsnd(arg1, arg2, arg3, arg4);
10487#endif
10488#ifdef TARGET_NR_shmget
10489 case TARGET_NR_shmget:
10490 return get_errno(shmget(arg1, arg2, arg3));
10491#endif
10492#ifdef TARGET_NR_shmctl
10493 case TARGET_NR_shmctl:
10494 return do_shmctl(arg1, arg2, arg3);
10495#endif
10496#ifdef TARGET_NR_shmat
10497 case TARGET_NR_shmat:
10498 return do_shmat(cpu_env, arg1, arg2, arg3);
10499#endif
10500#ifdef TARGET_NR_shmdt
10501 case TARGET_NR_shmdt:
10502 return do_shmdt(arg1);
10503#endif
10504 case TARGET_NR_fsync:
10505 return get_errno(fsync(arg1));
10506 case TARGET_NR_clone:
10507
10508
10509
10510
10511
10512
10513#if defined(TARGET_MICROBLAZE)
10514 ret = get_errno(do_fork(cpu_env, arg1, arg2, arg4, arg6, arg5));
10515#elif defined(TARGET_CLONE_BACKWARDS)
10516 ret = get_errno(do_fork(cpu_env, arg1, arg2, arg3, arg4, arg5));
10517#elif defined(TARGET_CLONE_BACKWARDS2)
10518 ret = get_errno(do_fork(cpu_env, arg2, arg1, arg3, arg5, arg4));
10519#else
10520 ret = get_errno(do_fork(cpu_env, arg1, arg2, arg3, arg5, arg4));
10521#endif
10522 return ret;
10523#ifdef __NR_exit_group
10524
10525 case TARGET_NR_exit_group:
10526 preexit_cleanup(cpu_env, arg1);
10527 return get_errno(exit_group(arg1));
10528#endif
10529 case TARGET_NR_setdomainname:
10530 if (!(p = lock_user_string(arg1)))
10531 return -TARGET_EFAULT;
10532 ret = get_errno(setdomainname(p, arg2));
10533 unlock_user(p, arg1, 0);
10534 return ret;
10535 case TARGET_NR_uname:
10536
10537 {
10538 struct new_utsname * buf;
10539
10540 if (!lock_user_struct(VERIFY_WRITE, buf, arg1, 0))
10541 return -TARGET_EFAULT;
10542 ret = get_errno(sys_uname(buf));
10543 if (!is_error(ret)) {
10544
10545
10546 g_strlcpy(buf->machine, cpu_to_uname_machine(cpu_env),
10547 sizeof(buf->machine));
10548
10549 if (qemu_uname_release && *qemu_uname_release) {
10550 g_strlcpy(buf->release, qemu_uname_release,
10551 sizeof(buf->release));
10552 }
10553 }
10554 unlock_user_struct(buf, arg1, 1);
10555 }
10556 return ret;
10557#ifdef TARGET_I386
10558 case TARGET_NR_modify_ldt:
10559 return do_modify_ldt(cpu_env, arg1, arg2, arg3);
10560#if !defined(TARGET_X86_64)
10561 case TARGET_NR_vm86:
10562 return do_vm86(cpu_env, arg1, arg2);
10563#endif
10564#endif
10565#if defined(TARGET_NR_adjtimex)
10566 case TARGET_NR_adjtimex:
10567 {
10568 struct timex host_buf;
10569
10570 if (target_to_host_timex(&host_buf, arg1) != 0) {
10571 return -TARGET_EFAULT;
10572 }
10573 ret = get_errno(adjtimex(&host_buf));
10574 if (!is_error(ret)) {
10575 if (host_to_target_timex(arg1, &host_buf) != 0) {
10576 return -TARGET_EFAULT;
10577 }
10578 }
10579 }
10580 return ret;
10581#endif
10582#if defined(TARGET_NR_clock_adjtime) && defined(CONFIG_CLOCK_ADJTIME)
10583 case TARGET_NR_clock_adjtime:
10584 {
10585 struct timex htx, *phtx = &htx;
10586
10587 if (target_to_host_timex(phtx, arg2) != 0) {
10588 return -TARGET_EFAULT;
10589 }
10590 ret = get_errno(clock_adjtime(arg1, phtx));
10591 if (!is_error(ret) && phtx) {
10592 if (host_to_target_timex(arg2, phtx) != 0) {
10593 return -TARGET_EFAULT;
10594 }
10595 }
10596 }
10597 return ret;
10598#endif
10599#if defined(TARGET_NR_clock_adjtime64) && defined(CONFIG_CLOCK_ADJTIME)
10600 case TARGET_NR_clock_adjtime64:
10601 {
10602 struct timex htx;
10603
10604 if (target_to_host_timex64(&htx, arg2) != 0) {
10605 return -TARGET_EFAULT;
10606 }
10607 ret = get_errno(clock_adjtime(arg1, &htx));
10608 if (!is_error(ret) && host_to_target_timex64(arg2, &htx)) {
10609 return -TARGET_EFAULT;
10610 }
10611 }
10612 return ret;
10613#endif
10614 case TARGET_NR_getpgid:
10615 return get_errno(getpgid(arg1));
10616 case TARGET_NR_fchdir:
10617 return get_errno(fchdir(arg1));
10618 case TARGET_NR_personality:
10619 return get_errno(personality(arg1));
10620#ifdef TARGET_NR__llseek
10621 case TARGET_NR__llseek:
10622 {
10623 int64_t res;
10624#if !defined(__NR_llseek)
10625 res = lseek(arg1, ((uint64_t)arg2 << 32) | (abi_ulong)arg3, arg5);
10626 if (res == -1) {
10627 ret = get_errno(res);
10628 } else {
10629 ret = 0;
10630 }
10631#else
10632 ret = get_errno(_llseek(arg1, arg2, arg3, &res, arg5));
10633#endif
10634 if ((ret == 0) && put_user_s64(res, arg4)) {
10635 return -TARGET_EFAULT;
10636 }
10637 }
10638 return ret;
10639#endif
10640#ifdef TARGET_NR_getdents
10641 case TARGET_NR_getdents:
10642 return do_getdents(arg1, arg2, arg3);
10643#endif
10644#if defined(TARGET_NR_getdents64) && defined(__NR_getdents64)
10645 case TARGET_NR_getdents64:
10646 return do_getdents64(arg1, arg2, arg3);
10647#endif
10648#if defined(TARGET_NR__newselect)
10649 case TARGET_NR__newselect:
10650 return do_select(arg1, arg2, arg3, arg4, arg5);
10651#endif
10652#ifdef TARGET_NR_poll
10653 case TARGET_NR_poll:
10654 return do_ppoll(arg1, arg2, arg3, arg4, arg5, false, false);
10655#endif
10656#ifdef TARGET_NR_ppoll
10657 case TARGET_NR_ppoll:
10658 return do_ppoll(arg1, arg2, arg3, arg4, arg5, true, false);
10659#endif
10660#ifdef TARGET_NR_ppoll_time64
10661 case TARGET_NR_ppoll_time64:
10662 return do_ppoll(arg1, arg2, arg3, arg4, arg5, true, true);
10663#endif
10664 case TARGET_NR_flock:
10665
10666
10667 return get_errno(safe_flock(arg1, arg2));
10668 case TARGET_NR_readv:
10669 {
10670 struct iovec *vec = lock_iovec(VERIFY_WRITE, arg2, arg3, 0);
10671 if (vec != NULL) {
10672 ret = get_errno(safe_readv(arg1, vec, arg3));
10673 unlock_iovec(vec, arg2, arg3, 1);
10674 } else {
10675 ret = -host_to_target_errno(errno);
10676 }
10677 }
10678 return ret;
10679 case TARGET_NR_writev:
10680 {
10681 struct iovec *vec = lock_iovec(VERIFY_READ, arg2, arg3, 1);
10682 if (vec != NULL) {
10683 ret = get_errno(safe_writev(arg1, vec, arg3));
10684 unlock_iovec(vec, arg2, arg3, 0);
10685 } else {
10686 ret = -host_to_target_errno(errno);
10687 }
10688 }
10689 return ret;
10690#if defined(TARGET_NR_preadv)
10691 case TARGET_NR_preadv:
10692 {
10693 struct iovec *vec = lock_iovec(VERIFY_WRITE, arg2, arg3, 0);
10694 if (vec != NULL) {
10695 unsigned long low, high;
10696
10697 target_to_host_low_high(arg4, arg5, &low, &high);
10698 ret = get_errno(safe_preadv(arg1, vec, arg3, low, high));
10699 unlock_iovec(vec, arg2, arg3, 1);
10700 } else {
10701 ret = -host_to_target_errno(errno);
10702 }
10703 }
10704 return ret;
10705#endif
10706#if defined(TARGET_NR_pwritev)
10707 case TARGET_NR_pwritev:
10708 {
10709 struct iovec *vec = lock_iovec(VERIFY_READ, arg2, arg3, 1);
10710 if (vec != NULL) {
10711 unsigned long low, high;
10712
10713 target_to_host_low_high(arg4, arg5, &low, &high);
10714 ret = get_errno(safe_pwritev(arg1, vec, arg3, low, high));
10715 unlock_iovec(vec, arg2, arg3, 0);
10716 } else {
10717 ret = -host_to_target_errno(errno);
10718 }
10719 }
10720 return ret;
10721#endif
10722 case TARGET_NR_getsid:
10723 return get_errno(getsid(arg1));
10724#if defined(TARGET_NR_fdatasync)
10725 case TARGET_NR_fdatasync:
10726 return get_errno(fdatasync(arg1));
10727#endif
10728 case TARGET_NR_sched_getaffinity:
10729 {
10730 unsigned int mask_size;
10731 unsigned long *mask;
10732
10733
10734
10735
10736
10737 if (arg2 & (sizeof(abi_ulong) - 1)) {
10738 return -TARGET_EINVAL;
10739 }
10740 mask_size = (arg2 + (sizeof(*mask) - 1)) & ~(sizeof(*mask) - 1);
10741
10742 mask = alloca(mask_size);
10743 memset(mask, 0, mask_size);
10744 ret = get_errno(sys_sched_getaffinity(arg1, mask_size, mask));
10745
10746 if (!is_error(ret)) {
10747 if (ret > arg2) {
10748
10749
10750
10751
10752
10753
10754
10755 int numcpus = sysconf(_SC_NPROCESSORS_CONF);
10756 if (numcpus > arg2 * 8) {
10757 return -TARGET_EINVAL;
10758 }
10759 ret = arg2;
10760 }
10761
10762 if (host_to_target_cpu_mask(mask, mask_size, arg3, ret)) {
10763 return -TARGET_EFAULT;
10764 }
10765 }
10766 }
10767 return ret;
10768 case TARGET_NR_sched_setaffinity:
10769 {
10770 unsigned int mask_size;
10771 unsigned long *mask;
10772
10773
10774
10775
10776
10777 if (arg2 & (sizeof(abi_ulong) - 1)) {
10778 return -TARGET_EINVAL;
10779 }
10780 mask_size = (arg2 + (sizeof(*mask) - 1)) & ~(sizeof(*mask) - 1);
10781 mask = alloca(mask_size);
10782
10783 ret = target_to_host_cpu_mask(mask, mask_size, arg3, arg2);
10784 if (ret) {
10785 return ret;
10786 }
10787
10788 return get_errno(sys_sched_setaffinity(arg1, mask_size, mask));
10789 }
10790 case TARGET_NR_getcpu:
10791 {
10792 unsigned cpu, node;
10793 ret = get_errno(sys_getcpu(arg1 ? &cpu : NULL,
10794 arg2 ? &node : NULL,
10795 NULL));
10796 if (is_error(ret)) {
10797 return ret;
10798 }
10799 if (arg1 && put_user_u32(cpu, arg1)) {
10800 return -TARGET_EFAULT;
10801 }
10802 if (arg2 && put_user_u32(node, arg2)) {
10803 return -TARGET_EFAULT;
10804 }
10805 }
10806 return ret;
10807 case TARGET_NR_sched_setparam:
10808 {
10809 struct target_sched_param *target_schp;
10810 struct sched_param schp;
10811
10812 if (arg2 == 0) {
10813 return -TARGET_EINVAL;
10814 }
10815 if (!lock_user_struct(VERIFY_READ, target_schp, arg2, 1)) {
10816 return -TARGET_EFAULT;
10817 }
10818 schp.sched_priority = tswap32(target_schp->sched_priority);
10819 unlock_user_struct(target_schp, arg2, 0);
10820 return get_errno(sys_sched_setparam(arg1, &schp));
10821 }
10822 case TARGET_NR_sched_getparam:
10823 {
10824 struct target_sched_param *target_schp;
10825 struct sched_param schp;
10826
10827 if (arg2 == 0) {
10828 return -TARGET_EINVAL;
10829 }
10830 ret = get_errno(sys_sched_getparam(arg1, &schp));
10831 if (!is_error(ret)) {
10832 if (!lock_user_struct(VERIFY_WRITE, target_schp, arg2, 0)) {
10833 return -TARGET_EFAULT;
10834 }
10835 target_schp->sched_priority = tswap32(schp.sched_priority);
10836 unlock_user_struct(target_schp, arg2, 1);
10837 }
10838 }
10839 return ret;
10840 case TARGET_NR_sched_setscheduler:
10841 {
10842 struct target_sched_param *target_schp;
10843 struct sched_param schp;
10844 if (arg3 == 0) {
10845 return -TARGET_EINVAL;
10846 }
10847 if (!lock_user_struct(VERIFY_READ, target_schp, arg3, 1)) {
10848 return -TARGET_EFAULT;
10849 }
10850 schp.sched_priority = tswap32(target_schp->sched_priority);
10851 unlock_user_struct(target_schp, arg3, 0);
10852 return get_errno(sys_sched_setscheduler(arg1, arg2, &schp));
10853 }
10854 case TARGET_NR_sched_getscheduler:
10855 return get_errno(sys_sched_getscheduler(arg1));
10856 case TARGET_NR_sched_getattr:
10857 {
10858 struct target_sched_attr *target_scha;
10859 struct sched_attr scha;
10860 if (arg2 == 0) {
10861 return -TARGET_EINVAL;
10862 }
10863 if (arg3 > sizeof(scha)) {
10864 arg3 = sizeof(scha);
10865 }
10866 ret = get_errno(sys_sched_getattr(arg1, &scha, arg3, arg4));
10867 if (!is_error(ret)) {
10868 target_scha = lock_user(VERIFY_WRITE, arg2, arg3, 0);
10869 if (!target_scha) {
10870 return -TARGET_EFAULT;
10871 }
10872 target_scha->size = tswap32(scha.size);
10873 target_scha->sched_policy = tswap32(scha.sched_policy);
10874 target_scha->sched_flags = tswap64(scha.sched_flags);
10875 target_scha->sched_nice = tswap32(scha.sched_nice);
10876 target_scha->sched_priority = tswap32(scha.sched_priority);
10877 target_scha->sched_runtime = tswap64(scha.sched_runtime);
10878 target_scha->sched_deadline = tswap64(scha.sched_deadline);
10879 target_scha->sched_period = tswap64(scha.sched_period);
10880 if (scha.size > offsetof(struct sched_attr, sched_util_min)) {
10881 target_scha->sched_util_min = tswap32(scha.sched_util_min);
10882 target_scha->sched_util_max = tswap32(scha.sched_util_max);
10883 }
10884 unlock_user(target_scha, arg2, arg3);
10885 }
10886 return ret;
10887 }
10888 case TARGET_NR_sched_setattr:
10889 {
10890 struct target_sched_attr *target_scha;
10891 struct sched_attr scha;
10892 uint32_t size;
10893 int zeroed;
10894 if (arg2 == 0) {
10895 return -TARGET_EINVAL;
10896 }
10897 if (get_user_u32(size, arg2)) {
10898 return -TARGET_EFAULT;
10899 }
10900 if (!size) {
10901 size = offsetof(struct target_sched_attr, sched_util_min);
10902 }
10903 if (size < offsetof(struct target_sched_attr, sched_util_min)) {
10904 if (put_user_u32(sizeof(struct target_sched_attr), arg2)) {
10905 return -TARGET_EFAULT;
10906 }
10907 return -TARGET_E2BIG;
10908 }
10909
10910 zeroed = check_zeroed_user(arg2, sizeof(struct target_sched_attr), size);
10911 if (zeroed < 0) {
10912 return zeroed;
10913 } else if (zeroed == 0) {
10914 if (put_user_u32(sizeof(struct target_sched_attr), arg2)) {
10915 return -TARGET_EFAULT;
10916 }
10917 return -TARGET_E2BIG;
10918 }
10919 if (size > sizeof(struct target_sched_attr)) {
10920 size = sizeof(struct target_sched_attr);
10921 }
10922
10923 target_scha = lock_user(VERIFY_READ, arg2, size, 1);
10924 if (!target_scha) {
10925 return -TARGET_EFAULT;
10926 }
10927 scha.size = size;
10928 scha.sched_policy = tswap32(target_scha->sched_policy);
10929 scha.sched_flags = tswap64(target_scha->sched_flags);
10930 scha.sched_nice = tswap32(target_scha->sched_nice);
10931 scha.sched_priority = tswap32(target_scha->sched_priority);
10932 scha.sched_runtime = tswap64(target_scha->sched_runtime);
10933 scha.sched_deadline = tswap64(target_scha->sched_deadline);
10934 scha.sched_period = tswap64(target_scha->sched_period);
10935 if (size > offsetof(struct target_sched_attr, sched_util_min)) {
10936 scha.sched_util_min = tswap32(target_scha->sched_util_min);
10937 scha.sched_util_max = tswap32(target_scha->sched_util_max);
10938 }
10939 unlock_user(target_scha, arg2, 0);
10940 return get_errno(sys_sched_setattr(arg1, &scha, arg3));
10941 }
10942 case TARGET_NR_sched_yield:
10943 return get_errno(sched_yield());
10944 case TARGET_NR_sched_get_priority_max:
10945 return get_errno(sched_get_priority_max(arg1));
10946 case TARGET_NR_sched_get_priority_min:
10947 return get_errno(sched_get_priority_min(arg1));
10948#ifdef TARGET_NR_sched_rr_get_interval
10949 case TARGET_NR_sched_rr_get_interval:
10950 {
10951 struct timespec ts;
10952 ret = get_errno(sched_rr_get_interval(arg1, &ts));
10953 if (!is_error(ret)) {
10954 ret = host_to_target_timespec(arg2, &ts);
10955 }
10956 }
10957 return ret;
10958#endif
10959#ifdef TARGET_NR_sched_rr_get_interval_time64
10960 case TARGET_NR_sched_rr_get_interval_time64:
10961 {
10962 struct timespec ts;
10963 ret = get_errno(sched_rr_get_interval(arg1, &ts));
10964 if (!is_error(ret)) {
10965 ret = host_to_target_timespec64(arg2, &ts);
10966 }
10967 }
10968 return ret;
10969#endif
10970#if defined(TARGET_NR_nanosleep)
10971 case TARGET_NR_nanosleep:
10972 {
10973 struct timespec req, rem;
10974 target_to_host_timespec(&req, arg1);
10975 ret = get_errno(safe_nanosleep(&req, &rem));
10976 if (is_error(ret) && arg2) {
10977 host_to_target_timespec(arg2, &rem);
10978 }
10979 }
10980 return ret;
10981#endif
10982 case TARGET_NR_prctl:
10983 return do_prctl(cpu_env, arg1, arg2, arg3, arg4, arg5);
10984 break;
10985#ifdef TARGET_NR_arch_prctl
10986 case TARGET_NR_arch_prctl:
10987 return do_arch_prctl(cpu_env, arg1, arg2);
10988#endif
10989#ifdef TARGET_NR_pread64
10990 case TARGET_NR_pread64:
10991 if (regpairs_aligned(cpu_env, num)) {
10992 arg4 = arg5;
10993 arg5 = arg6;
10994 }
10995 if (arg2 == 0 && arg3 == 0) {
10996
10997 p = 0;
10998 } else {
10999 p = lock_user(VERIFY_WRITE, arg2, arg3, 0);
11000 if (!p) {
11001 return -TARGET_EFAULT;
11002 }
11003 }
11004 ret = get_errno(pread64(arg1, p, arg3, target_offset64(arg4, arg5)));
11005 unlock_user(p, arg2, ret);
11006 return ret;
11007 case TARGET_NR_pwrite64:
11008 if (regpairs_aligned(cpu_env, num)) {
11009 arg4 = arg5;
11010 arg5 = arg6;
11011 }
11012 if (arg2 == 0 && arg3 == 0) {
11013
11014 p = 0;
11015 } else {
11016 p = lock_user(VERIFY_READ, arg2, arg3, 1);
11017 if (!p) {
11018 return -TARGET_EFAULT;
11019 }
11020 }
11021 ret = get_errno(pwrite64(arg1, p, arg3, target_offset64(arg4, arg5)));
11022 unlock_user(p, arg2, 0);
11023 return ret;
11024#endif
11025 case TARGET_NR_getcwd:
11026 if (!(p = lock_user(VERIFY_WRITE, arg1, arg2, 0)))
11027 return -TARGET_EFAULT;
11028 ret = get_errno(sys_getcwd1(p, arg2));
11029 unlock_user(p, arg1, ret);
11030 return ret;
11031 case TARGET_NR_capget:
11032 case TARGET_NR_capset:
11033 {
11034 struct target_user_cap_header *target_header;
11035 struct target_user_cap_data *target_data = NULL;
11036 struct __user_cap_header_struct header;
11037 struct __user_cap_data_struct data[2];
11038 struct __user_cap_data_struct *dataptr = NULL;
11039 int i, target_datalen;
11040 int data_items = 1;
11041
11042 if (!lock_user_struct(VERIFY_WRITE, target_header, arg1, 1)) {
11043 return -TARGET_EFAULT;
11044 }
11045 header.version = tswap32(target_header->version);
11046 header.pid = tswap32(target_header->pid);
11047
11048 if (header.version != _LINUX_CAPABILITY_VERSION) {
11049
11050 data_items = 2;
11051 }
11052
11053 target_datalen = sizeof(*target_data) * data_items;
11054
11055 if (arg2) {
11056 if (num == TARGET_NR_capget) {
11057 target_data = lock_user(VERIFY_WRITE, arg2, target_datalen, 0);
11058 } else {
11059 target_data = lock_user(VERIFY_READ, arg2, target_datalen, 1);
11060 }
11061 if (!target_data) {
11062 unlock_user_struct(target_header, arg1, 0);
11063 return -TARGET_EFAULT;
11064 }
11065
11066 if (num == TARGET_NR_capset) {
11067 for (i = 0; i < data_items; i++) {
11068 data[i].effective = tswap32(target_data[i].effective);
11069 data[i].permitted = tswap32(target_data[i].permitted);
11070 data[i].inheritable = tswap32(target_data[i].inheritable);
11071 }
11072 }
11073
11074 dataptr = data;
11075 }
11076
11077 if (num == TARGET_NR_capget) {
11078 ret = get_errno(capget(&header, dataptr));
11079 } else {
11080 ret = get_errno(capset(&header, dataptr));
11081 }
11082
11083
11084 target_header->version = tswap32(header.version);
11085 unlock_user_struct(target_header, arg1, 1);
11086
11087 if (arg2) {
11088 if (num == TARGET_NR_capget) {
11089 for (i = 0; i < data_items; i++) {
11090 target_data[i].effective = tswap32(data[i].effective);
11091 target_data[i].permitted = tswap32(data[i].permitted);
11092 target_data[i].inheritable = tswap32(data[i].inheritable);
11093 }
11094 unlock_user(target_data, arg2, target_datalen);
11095 } else {
11096 unlock_user(target_data, arg2, 0);
11097 }
11098 }
11099 return ret;
11100 }
11101 case TARGET_NR_sigaltstack:
11102 return do_sigaltstack(arg1, arg2, cpu_env);
11103
11104#ifdef CONFIG_SENDFILE
11105#ifdef TARGET_NR_sendfile
11106 case TARGET_NR_sendfile:
11107 {
11108 off_t *offp = NULL;
11109 off_t off;
11110 if (arg3) {
11111 ret = get_user_sal(off, arg3);
11112 if (is_error(ret)) {
11113 return ret;
11114 }
11115 offp = &off;
11116 }
11117 ret = get_errno(sendfile(arg1, arg2, offp, arg4));
11118 if (!is_error(ret) && arg3) {
11119 abi_long ret2 = put_user_sal(off, arg3);
11120 if (is_error(ret2)) {
11121 ret = ret2;
11122 }
11123 }
11124 return ret;
11125 }
11126#endif
11127#ifdef TARGET_NR_sendfile64
11128 case TARGET_NR_sendfile64:
11129 {
11130 off_t *offp = NULL;
11131 off_t off;
11132 if (arg3) {
11133 ret = get_user_s64(off, arg3);
11134 if (is_error(ret)) {
11135 return ret;
11136 }
11137 offp = &off;
11138 }
11139 ret = get_errno(sendfile(arg1, arg2, offp, arg4));
11140 if (!is_error(ret) && arg3) {
11141 abi_long ret2 = put_user_s64(off, arg3);
11142 if (is_error(ret2)) {
11143 ret = ret2;
11144 }
11145 }
11146 return ret;
11147 }
11148#endif
11149#endif
11150#ifdef TARGET_NR_vfork
11151 case TARGET_NR_vfork:
11152 return get_errno(do_fork(cpu_env,
11153 CLONE_VFORK | CLONE_VM | TARGET_SIGCHLD,
11154 0, 0, 0, 0));
11155#endif
11156#ifdef TARGET_NR_ugetrlimit
11157 case TARGET_NR_ugetrlimit:
11158 {
11159 struct rlimit rlim;
11160 int resource = target_to_host_resource(arg1);
11161 ret = get_errno(getrlimit(resource, &rlim));
11162 if (!is_error(ret)) {
11163 struct target_rlimit *target_rlim;
11164 if (!lock_user_struct(VERIFY_WRITE, target_rlim, arg2, 0))
11165 return -TARGET_EFAULT;
11166 target_rlim->rlim_cur = host_to_target_rlim(rlim.rlim_cur);
11167 target_rlim->rlim_max = host_to_target_rlim(rlim.rlim_max);
11168 unlock_user_struct(target_rlim, arg2, 1);
11169 }
11170 return ret;
11171 }
11172#endif
11173#ifdef TARGET_NR_truncate64
11174 case TARGET_NR_truncate64:
11175 if (!(p = lock_user_string(arg1)))
11176 return -TARGET_EFAULT;
11177 ret = target_truncate64(cpu_env, p, arg2, arg3, arg4);
11178 unlock_user(p, arg1, 0);
11179 return ret;
11180#endif
11181#ifdef TARGET_NR_ftruncate64
11182 case TARGET_NR_ftruncate64:
11183 return target_ftruncate64(cpu_env, arg1, arg2, arg3, arg4);
11184#endif
11185#ifdef TARGET_NR_stat64
11186 case TARGET_NR_stat64:
11187 if (!(p = lock_user_string(arg1))) {
11188 return -TARGET_EFAULT;
11189 }
11190 ret = get_errno(stat(path(p), &st));
11191 unlock_user(p, arg1, 0);
11192 if (!is_error(ret))
11193 ret = host_to_target_stat64(cpu_env, arg2, &st);
11194 return ret;
11195#endif
11196#ifdef TARGET_NR_lstat64
11197 case TARGET_NR_lstat64:
11198 if (!(p = lock_user_string(arg1))) {
11199 return -TARGET_EFAULT;
11200 }
11201 ret = get_errno(lstat(path(p), &st));
11202 unlock_user(p, arg1, 0);
11203 if (!is_error(ret))
11204 ret = host_to_target_stat64(cpu_env, arg2, &st);
11205 return ret;
11206#endif
11207#ifdef TARGET_NR_fstat64
11208 case TARGET_NR_fstat64:
11209 ret = get_errno(fstat(arg1, &st));
11210 if (!is_error(ret))
11211 ret = host_to_target_stat64(cpu_env, arg2, &st);
11212 return ret;
11213#endif
11214#if (defined(TARGET_NR_fstatat64) || defined(TARGET_NR_newfstatat))
11215#ifdef TARGET_NR_fstatat64
11216 case TARGET_NR_fstatat64:
11217#endif
11218#ifdef TARGET_NR_newfstatat
11219 case TARGET_NR_newfstatat:
11220#endif
11221 if (!(p = lock_user_string(arg2))) {
11222 return -TARGET_EFAULT;
11223 }
11224 ret = get_errno(fstatat(arg1, path(p), &st, arg4));
11225 unlock_user(p, arg2, 0);
11226 if (!is_error(ret))
11227 ret = host_to_target_stat64(cpu_env, arg3, &st);
11228 return ret;
11229#endif
11230#if defined(TARGET_NR_statx)
11231 case TARGET_NR_statx:
11232 {
11233 struct target_statx *target_stx;
11234 int dirfd = arg1;
11235 int flags = arg3;
11236
11237 p = lock_user_string(arg2);
11238 if (p == NULL) {
11239 return -TARGET_EFAULT;
11240 }
11241#if defined(__NR_statx)
11242 {
11243
11244
11245
11246 struct target_statx host_stx;
11247 int mask = arg4;
11248
11249 ret = get_errno(sys_statx(dirfd, p, flags, mask, &host_stx));
11250 if (!is_error(ret)) {
11251 if (host_to_target_statx(&host_stx, arg5) != 0) {
11252 unlock_user(p, arg2, 0);
11253 return -TARGET_EFAULT;
11254 }
11255 }
11256
11257 if (ret != -TARGET_ENOSYS) {
11258 unlock_user(p, arg2, 0);
11259 return ret;
11260 }
11261 }
11262#endif
11263 ret = get_errno(fstatat(dirfd, path(p), &st, flags));
11264 unlock_user(p, arg2, 0);
11265
11266 if (!is_error(ret)) {
11267 if (!lock_user_struct(VERIFY_WRITE, target_stx, arg5, 0)) {
11268 return -TARGET_EFAULT;
11269 }
11270 memset(target_stx, 0, sizeof(*target_stx));
11271 __put_user(major(st.st_dev), &target_stx->stx_dev_major);
11272 __put_user(minor(st.st_dev), &target_stx->stx_dev_minor);
11273 __put_user(st.st_ino, &target_stx->stx_ino);
11274 __put_user(st.st_mode, &target_stx->stx_mode);
11275 __put_user(st.st_uid, &target_stx->stx_uid);
11276 __put_user(st.st_gid, &target_stx->stx_gid);
11277 __put_user(st.st_nlink, &target_stx->stx_nlink);
11278 __put_user(major(st.st_rdev), &target_stx->stx_rdev_major);
11279 __put_user(minor(st.st_rdev), &target_stx->stx_rdev_minor);
11280 __put_user(st.st_size, &target_stx->stx_size);
11281 __put_user(st.st_blksize, &target_stx->stx_blksize);
11282 __put_user(st.st_blocks, &target_stx->stx_blocks);
11283 __put_user(st.st_atime, &target_stx->stx_atime.tv_sec);
11284 __put_user(st.st_mtime, &target_stx->stx_mtime.tv_sec);
11285 __put_user(st.st_ctime, &target_stx->stx_ctime.tv_sec);
11286 unlock_user_struct(target_stx, arg5, 1);
11287 }
11288 }
11289 return ret;
11290#endif
11291#ifdef TARGET_NR_lchown
11292 case TARGET_NR_lchown:
11293 if (!(p = lock_user_string(arg1)))
11294 return -TARGET_EFAULT;
11295 ret = get_errno(lchown(p, low2highuid(arg2), low2highgid(arg3)));
11296 unlock_user(p, arg1, 0);
11297 return ret;
11298#endif
11299#ifdef TARGET_NR_getuid
11300 case TARGET_NR_getuid:
11301 return get_errno(high2lowuid(getuid()));
11302#endif
11303#ifdef TARGET_NR_getgid
11304 case TARGET_NR_getgid:
11305 return get_errno(high2lowgid(getgid()));
11306#endif
11307#ifdef TARGET_NR_geteuid
11308 case TARGET_NR_geteuid:
11309 return get_errno(high2lowuid(geteuid()));
11310#endif
11311#ifdef TARGET_NR_getegid
11312 case TARGET_NR_getegid:
11313 return get_errno(high2lowgid(getegid()));
11314#endif
11315 case TARGET_NR_setreuid:
11316 return get_errno(setreuid(low2highuid(arg1), low2highuid(arg2)));
11317 case TARGET_NR_setregid:
11318 return get_errno(setregid(low2highgid(arg1), low2highgid(arg2)));
11319 case TARGET_NR_getgroups:
11320 {
11321 int gidsetsize = arg1;
11322 target_id *target_grouplist;
11323 gid_t *grouplist;
11324 int i;
11325
11326 grouplist = alloca(gidsetsize * sizeof(gid_t));
11327 ret = get_errno(getgroups(gidsetsize, grouplist));
11328 if (gidsetsize == 0)
11329 return ret;
11330 if (!is_error(ret)) {
11331 target_grouplist = lock_user(VERIFY_WRITE, arg2, gidsetsize * sizeof(target_id), 0);
11332 if (!target_grouplist)
11333 return -TARGET_EFAULT;
11334 for(i = 0;i < ret; i++)
11335 target_grouplist[i] = tswapid(high2lowgid(grouplist[i]));
11336 unlock_user(target_grouplist, arg2, gidsetsize * sizeof(target_id));
11337 }
11338 }
11339 return ret;
11340 case TARGET_NR_setgroups:
11341 {
11342 int gidsetsize = arg1;
11343 target_id *target_grouplist;
11344 gid_t *grouplist = NULL;
11345 int i;
11346 if (gidsetsize) {
11347 grouplist = alloca(gidsetsize * sizeof(gid_t));
11348 target_grouplist = lock_user(VERIFY_READ, arg2, gidsetsize * sizeof(target_id), 1);
11349 if (!target_grouplist) {
11350 return -TARGET_EFAULT;
11351 }
11352 for (i = 0; i < gidsetsize; i++) {
11353 grouplist[i] = low2highgid(tswapid(target_grouplist[i]));
11354 }
11355 unlock_user(target_grouplist, arg2, 0);
11356 }
11357 return get_errno(setgroups(gidsetsize, grouplist));
11358 }
11359 case TARGET_NR_fchown:
11360 return get_errno(fchown(arg1, low2highuid(arg2), low2highgid(arg3)));
11361#if defined(TARGET_NR_fchownat)
11362 case TARGET_NR_fchownat:
11363 if (!(p = lock_user_string(arg2)))
11364 return -TARGET_EFAULT;
11365 ret = get_errno(fchownat(arg1, p, low2highuid(arg3),
11366 low2highgid(arg4), arg5));
11367 unlock_user(p, arg2, 0);
11368 return ret;
11369#endif
11370#ifdef TARGET_NR_setresuid
11371 case TARGET_NR_setresuid:
11372 return get_errno(sys_setresuid(low2highuid(arg1),
11373 low2highuid(arg2),
11374 low2highuid(arg3)));
11375#endif
11376#ifdef TARGET_NR_getresuid
11377 case TARGET_NR_getresuid:
11378 {
11379 uid_t ruid, euid, suid;
11380 ret = get_errno(getresuid(&ruid, &euid, &suid));
11381 if (!is_error(ret)) {
11382 if (put_user_id(high2lowuid(ruid), arg1)
11383 || put_user_id(high2lowuid(euid), arg2)
11384 || put_user_id(high2lowuid(suid), arg3))
11385 return -TARGET_EFAULT;
11386 }
11387 }
11388 return ret;
11389#endif
11390#ifdef TARGET_NR_getresgid
11391 case TARGET_NR_setresgid:
11392 return get_errno(sys_setresgid(low2highgid(arg1),
11393 low2highgid(arg2),
11394 low2highgid(arg3)));
11395#endif
11396#ifdef TARGET_NR_getresgid
11397 case TARGET_NR_getresgid:
11398 {
11399 gid_t rgid, egid, sgid;
11400 ret = get_errno(getresgid(&rgid, &egid, &sgid));
11401 if (!is_error(ret)) {
11402 if (put_user_id(high2lowgid(rgid), arg1)
11403 || put_user_id(high2lowgid(egid), arg2)
11404 || put_user_id(high2lowgid(sgid), arg3))
11405 return -TARGET_EFAULT;
11406 }
11407 }
11408 return ret;
11409#endif
11410#ifdef TARGET_NR_chown
11411 case TARGET_NR_chown:
11412 if (!(p = lock_user_string(arg1)))
11413 return -TARGET_EFAULT;
11414 ret = get_errno(chown(p, low2highuid(arg2), low2highgid(arg3)));
11415 unlock_user(p, arg1, 0);
11416 return ret;
11417#endif
11418 case TARGET_NR_setuid:
11419 return get_errno(sys_setuid(low2highuid(arg1)));
11420 case TARGET_NR_setgid:
11421 return get_errno(sys_setgid(low2highgid(arg1)));
11422 case TARGET_NR_setfsuid:
11423 return get_errno(setfsuid(arg1));
11424 case TARGET_NR_setfsgid:
11425 return get_errno(setfsgid(arg1));
11426
11427#ifdef TARGET_NR_lchown32
11428 case TARGET_NR_lchown32:
11429 if (!(p = lock_user_string(arg1)))
11430 return -TARGET_EFAULT;
11431 ret = get_errno(lchown(p, arg2, arg3));
11432 unlock_user(p, arg1, 0);
11433 return ret;
11434#endif
11435#ifdef TARGET_NR_getuid32
11436 case TARGET_NR_getuid32:
11437 return get_errno(getuid());
11438#endif
11439
11440#if defined(TARGET_NR_getxuid) && defined(TARGET_ALPHA)
11441
11442 case TARGET_NR_getxuid:
11443 {
11444 uid_t euid;
11445 euid=geteuid();
11446 cpu_env->ir[IR_A4]=euid;
11447 }
11448 return get_errno(getuid());
11449#endif
11450#if defined(TARGET_NR_getxgid) && defined(TARGET_ALPHA)
11451
11452 case TARGET_NR_getxgid:
11453 {
11454 uid_t egid;
11455 egid=getegid();
11456 cpu_env->ir[IR_A4]=egid;
11457 }
11458 return get_errno(getgid());
11459#endif
11460#if defined(TARGET_NR_osf_getsysinfo) && defined(TARGET_ALPHA)
11461
11462 case TARGET_NR_osf_getsysinfo:
11463 ret = -TARGET_EOPNOTSUPP;
11464 switch (arg1) {
11465 case TARGET_GSI_IEEE_FP_CONTROL:
11466 {
11467 uint64_t fpcr = cpu_alpha_load_fpcr(cpu_env);
11468 uint64_t swcr = cpu_env->swcr;
11469
11470 swcr &= ~SWCR_STATUS_MASK;
11471 swcr |= (fpcr >> 35) & SWCR_STATUS_MASK;
11472
11473 if (put_user_u64 (swcr, arg2))
11474 return -TARGET_EFAULT;
11475 ret = 0;
11476 }
11477 break;
11478
11479
11480
11481
11482
11483
11484
11485
11486
11487
11488 }
11489 return ret;
11490#endif
11491#if defined(TARGET_NR_osf_setsysinfo) && defined(TARGET_ALPHA)
11492
11493 case TARGET_NR_osf_setsysinfo:
11494 ret = -TARGET_EOPNOTSUPP;
11495 switch (arg1) {
11496 case TARGET_SSI_IEEE_FP_CONTROL:
11497 {
11498 uint64_t swcr, fpcr;
11499
11500 if (get_user_u64 (swcr, arg2)) {
11501 return -TARGET_EFAULT;
11502 }
11503
11504
11505
11506
11507
11508
11509
11510 cpu_env->swcr = swcr & (SWCR_TRAP_ENABLE_MASK | SWCR_MAP_MASK);
11511
11512 fpcr = cpu_alpha_load_fpcr(cpu_env);
11513 fpcr &= ((uint64_t)FPCR_DYN_MASK << 32);
11514 fpcr |= alpha_ieee_swcr_to_fpcr(swcr);
11515 cpu_alpha_store_fpcr(cpu_env, fpcr);
11516 ret = 0;
11517 }
11518 break;
11519
11520 case TARGET_SSI_IEEE_RAISE_EXCEPTION:
11521 {
11522 uint64_t exc, fpcr, fex;
11523
11524 if (get_user_u64(exc, arg2)) {
11525 return -TARGET_EFAULT;
11526 }
11527 exc &= SWCR_STATUS_MASK;
11528 fpcr = cpu_alpha_load_fpcr(cpu_env);
11529
11530
11531 fex = alpha_ieee_fpcr_to_swcr(fpcr);
11532 fex = exc & ~fex;
11533 fex >>= SWCR_STATUS_TO_EXCSUM_SHIFT;
11534 fex &= (cpu_env)->swcr;
11535
11536
11537 fpcr |= alpha_ieee_swcr_to_fpcr(exc);
11538 cpu_alpha_store_fpcr(cpu_env, fpcr);
11539
11540 if (fex) {
11541 int si_code = TARGET_FPE_FLTUNK;
11542 target_siginfo_t info;
11543
11544 if (fex & SWCR_TRAP_ENABLE_DNO) {
11545 si_code = TARGET_FPE_FLTUND;
11546 }
11547 if (fex & SWCR_TRAP_ENABLE_INE) {
11548 si_code = TARGET_FPE_FLTRES;
11549 }
11550 if (fex & SWCR_TRAP_ENABLE_UNF) {
11551 si_code = TARGET_FPE_FLTUND;
11552 }
11553 if (fex & SWCR_TRAP_ENABLE_OVF) {
11554 si_code = TARGET_FPE_FLTOVF;
11555 }
11556 if (fex & SWCR_TRAP_ENABLE_DZE) {
11557 si_code = TARGET_FPE_FLTDIV;
11558 }
11559 if (fex & SWCR_TRAP_ENABLE_INV) {
11560 si_code = TARGET_FPE_FLTINV;
11561 }
11562
11563 info.si_signo = SIGFPE;
11564 info.si_errno = 0;
11565 info.si_code = si_code;
11566 info._sifields._sigfault._addr = (cpu_env)->pc;
11567 queue_signal(cpu_env, info.si_signo,
11568 QEMU_SI_FAULT, &info);
11569 }
11570 ret = 0;
11571 }
11572 break;
11573
11574
11575
11576
11577
11578
11579
11580 }
11581 return ret;
11582#endif
11583#ifdef TARGET_NR_osf_sigprocmask
11584
11585 case TARGET_NR_osf_sigprocmask:
11586 {
11587 abi_ulong mask;
11588 int how;
11589 sigset_t set, oldset;
11590
11591 switch(arg1) {
11592 case TARGET_SIG_BLOCK:
11593 how = SIG_BLOCK;
11594 break;
11595 case TARGET_SIG_UNBLOCK:
11596 how = SIG_UNBLOCK;
11597 break;
11598 case TARGET_SIG_SETMASK:
11599 how = SIG_SETMASK;
11600 break;
11601 default:
11602 return -TARGET_EINVAL;
11603 }
11604 mask = arg2;
11605 target_to_host_old_sigset(&set, &mask);
11606 ret = do_sigprocmask(how, &set, &oldset);
11607 if (!ret) {
11608 host_to_target_old_sigset(&mask, &oldset);
11609 ret = mask;
11610 }
11611 }
11612 return ret;
11613#endif
11614
11615#ifdef TARGET_NR_getgid32
11616 case TARGET_NR_getgid32:
11617 return get_errno(getgid());
11618#endif
11619#ifdef TARGET_NR_geteuid32
11620 case TARGET_NR_geteuid32:
11621 return get_errno(geteuid());
11622#endif
11623#ifdef TARGET_NR_getegid32
11624 case TARGET_NR_getegid32:
11625 return get_errno(getegid());
11626#endif
11627#ifdef TARGET_NR_setreuid32
11628 case TARGET_NR_setreuid32:
11629 return get_errno(setreuid(arg1, arg2));
11630#endif
11631#ifdef TARGET_NR_setregid32
11632 case TARGET_NR_setregid32:
11633 return get_errno(setregid(arg1, arg2));
11634#endif
11635#ifdef TARGET_NR_getgroups32
11636 case TARGET_NR_getgroups32:
11637 {
11638 int gidsetsize = arg1;
11639 uint32_t *target_grouplist;
11640 gid_t *grouplist;
11641 int i;
11642
11643 grouplist = alloca(gidsetsize * sizeof(gid_t));
11644 ret = get_errno(getgroups(gidsetsize, grouplist));
11645 if (gidsetsize == 0)
11646 return ret;
11647 if (!is_error(ret)) {
11648 target_grouplist = lock_user(VERIFY_WRITE, arg2, gidsetsize * 4, 0);
11649 if (!target_grouplist) {
11650 return -TARGET_EFAULT;
11651 }
11652 for(i = 0;i < ret; i++)
11653 target_grouplist[i] = tswap32(grouplist[i]);
11654 unlock_user(target_grouplist, arg2, gidsetsize * 4);
11655 }
11656 }
11657 return ret;
11658#endif
11659#ifdef TARGET_NR_setgroups32
11660 case TARGET_NR_setgroups32:
11661 {
11662 int gidsetsize = arg1;
11663 uint32_t *target_grouplist;
11664 gid_t *grouplist;
11665 int i;
11666
11667 grouplist = alloca(gidsetsize * sizeof(gid_t));
11668 target_grouplist = lock_user(VERIFY_READ, arg2, gidsetsize * 4, 1);
11669 if (!target_grouplist) {
11670 return -TARGET_EFAULT;
11671 }
11672 for(i = 0;i < gidsetsize; i++)
11673 grouplist[i] = tswap32(target_grouplist[i]);
11674 unlock_user(target_grouplist, arg2, 0);
11675 return get_errno(setgroups(gidsetsize, grouplist));
11676 }
11677#endif
11678#ifdef TARGET_NR_fchown32
11679 case TARGET_NR_fchown32:
11680 return get_errno(fchown(arg1, arg2, arg3));
11681#endif
11682#ifdef TARGET_NR_setresuid32
11683 case TARGET_NR_setresuid32:
11684 return get_errno(sys_setresuid(arg1, arg2, arg3));
11685#endif
11686#ifdef TARGET_NR_getresuid32
11687 case TARGET_NR_getresuid32:
11688 {
11689 uid_t ruid, euid, suid;
11690 ret = get_errno(getresuid(&ruid, &euid, &suid));
11691 if (!is_error(ret)) {
11692 if (put_user_u32(ruid, arg1)
11693 || put_user_u32(euid, arg2)
11694 || put_user_u32(suid, arg3))
11695 return -TARGET_EFAULT;
11696 }
11697 }
11698 return ret;
11699#endif
11700#ifdef TARGET_NR_setresgid32
11701 case TARGET_NR_setresgid32:
11702 return get_errno(sys_setresgid(arg1, arg2, arg3));
11703#endif
11704#ifdef TARGET_NR_getresgid32
11705 case TARGET_NR_getresgid32:
11706 {
11707 gid_t rgid, egid, sgid;
11708 ret = get_errno(getresgid(&rgid, &egid, &sgid));
11709 if (!is_error(ret)) {
11710 if (put_user_u32(rgid, arg1)
11711 || put_user_u32(egid, arg2)
11712 || put_user_u32(sgid, arg3))
11713 return -TARGET_EFAULT;
11714 }
11715 }
11716 return ret;
11717#endif
11718#ifdef TARGET_NR_chown32
11719 case TARGET_NR_chown32:
11720 if (!(p = lock_user_string(arg1)))
11721 return -TARGET_EFAULT;
11722 ret = get_errno(chown(p, arg2, arg3));
11723 unlock_user(p, arg1, 0);
11724 return ret;
11725#endif
11726#ifdef TARGET_NR_setuid32
11727 case TARGET_NR_setuid32:
11728 return get_errno(sys_setuid(arg1));
11729#endif
11730#ifdef TARGET_NR_setgid32
11731 case TARGET_NR_setgid32:
11732 return get_errno(sys_setgid(arg1));
11733#endif
11734#ifdef TARGET_NR_setfsuid32
11735 case TARGET_NR_setfsuid32:
11736 return get_errno(setfsuid(arg1));
11737#endif
11738#ifdef TARGET_NR_setfsgid32
11739 case TARGET_NR_setfsgid32:
11740 return get_errno(setfsgid(arg1));
11741#endif
11742#ifdef TARGET_NR_mincore
11743 case TARGET_NR_mincore:
11744 {
11745 void *a = lock_user(VERIFY_READ, arg1, arg2, 0);
11746 if (!a) {
11747 return -TARGET_ENOMEM;
11748 }
11749 p = lock_user_string(arg3);
11750 if (!p) {
11751 ret = -TARGET_EFAULT;
11752 } else {
11753 ret = get_errno(mincore(a, arg2, p));
11754 unlock_user(p, arg3, ret);
11755 }
11756 unlock_user(a, arg1, 0);
11757 }
11758 return ret;
11759#endif
11760#ifdef TARGET_NR_arm_fadvise64_64
11761 case TARGET_NR_arm_fadvise64_64:
11762
11763
11764
11765
11766
11767
11768 ret = posix_fadvise(arg1, target_offset64(arg3, arg4),
11769 target_offset64(arg5, arg6), arg2);
11770 return -host_to_target_errno(ret);
11771#endif
11772
11773#if TARGET_ABI_BITS == 32
11774
11775#ifdef TARGET_NR_fadvise64_64
11776 case TARGET_NR_fadvise64_64:
11777#if defined(TARGET_PPC) || defined(TARGET_XTENSA)
11778
11779 ret = arg2;
11780 arg2 = arg3;
11781 arg3 = arg4;
11782 arg4 = arg5;
11783 arg5 = arg6;
11784 arg6 = ret;
11785#else
11786
11787 if (regpairs_aligned(cpu_env, num)) {
11788
11789 arg2 = arg3;
11790 arg3 = arg4;
11791 arg4 = arg5;
11792 arg5 = arg6;
11793 arg6 = arg7;
11794 }
11795#endif
11796 ret = posix_fadvise(arg1, target_offset64(arg2, arg3),
11797 target_offset64(arg4, arg5), arg6);
11798 return -host_to_target_errno(ret);
11799#endif
11800
11801#ifdef TARGET_NR_fadvise64
11802 case TARGET_NR_fadvise64:
11803
11804 if (regpairs_aligned(cpu_env, num)) {
11805
11806 arg2 = arg3;
11807 arg3 = arg4;
11808 arg4 = arg5;
11809 arg5 = arg6;
11810 }
11811 ret = posix_fadvise(arg1, target_offset64(arg2, arg3), arg4, arg5);
11812 return -host_to_target_errno(ret);
11813#endif
11814
11815#else
11816#if defined(TARGET_NR_fadvise64_64) || defined(TARGET_NR_fadvise64)
11817#ifdef TARGET_NR_fadvise64_64
11818 case TARGET_NR_fadvise64_64:
11819#endif
11820#ifdef TARGET_NR_fadvise64
11821 case TARGET_NR_fadvise64:
11822#endif
11823#ifdef TARGET_S390X
11824 switch (arg4) {
11825 case 4: arg4 = POSIX_FADV_NOREUSE + 1; break;
11826 case 5: arg4 = POSIX_FADV_NOREUSE + 2; break;
11827 case 6: arg4 = POSIX_FADV_DONTNEED; break;
11828 case 7: arg4 = POSIX_FADV_NOREUSE; break;
11829 default: break;
11830 }
11831#endif
11832 return -host_to_target_errno(posix_fadvise(arg1, arg2, arg3, arg4));
11833#endif
11834#endif
11835
11836#ifdef TARGET_NR_madvise
11837 case TARGET_NR_madvise:
11838 return target_madvise(arg1, arg2, arg3);
11839#endif
11840#ifdef TARGET_NR_fcntl64
11841 case TARGET_NR_fcntl64:
11842 {
11843 int cmd;
11844 struct flock64 fl;
11845 from_flock64_fn *copyfrom = copy_from_user_flock64;
11846 to_flock64_fn *copyto = copy_to_user_flock64;
11847
11848#ifdef TARGET_ARM
11849 if (!cpu_env->eabi) {
11850 copyfrom = copy_from_user_oabi_flock64;
11851 copyto = copy_to_user_oabi_flock64;
11852 }
11853#endif
11854
11855 cmd = target_to_host_fcntl_cmd(arg2);
11856 if (cmd == -TARGET_EINVAL) {
11857 return cmd;
11858 }
11859
11860 switch(arg2) {
11861 case TARGET_F_GETLK64:
11862 ret = copyfrom(&fl, arg3);
11863 if (ret) {
11864 break;
11865 }
11866 ret = get_errno(safe_fcntl(arg1, cmd, &fl));
11867 if (ret == 0) {
11868 ret = copyto(arg3, &fl);
11869 }
11870 break;
11871
11872 case TARGET_F_SETLK64:
11873 case TARGET_F_SETLKW64:
11874 ret = copyfrom(&fl, arg3);
11875 if (ret) {
11876 break;
11877 }
11878 ret = get_errno(safe_fcntl(arg1, cmd, &fl));
11879 break;
11880 default:
11881 ret = do_fcntl(arg1, arg2, arg3);
11882 break;
11883 }
11884 return ret;
11885 }
11886#endif
11887#ifdef TARGET_NR_cacheflush
11888 case TARGET_NR_cacheflush:
11889
11890 return 0;
11891#endif
11892#ifdef TARGET_NR_getpagesize
11893 case TARGET_NR_getpagesize:
11894 return TARGET_PAGE_SIZE;
11895#endif
11896 case TARGET_NR_gettid:
11897 return get_errno(sys_gettid());
11898#ifdef TARGET_NR_readahead
11899 case TARGET_NR_readahead:
11900#if TARGET_ABI_BITS == 32
11901 if (regpairs_aligned(cpu_env, num)) {
11902 arg2 = arg3;
11903 arg3 = arg4;
11904 arg4 = arg5;
11905 }
11906 ret = get_errno(readahead(arg1, target_offset64(arg2, arg3) , arg4));
11907#else
11908 ret = get_errno(readahead(arg1, arg2, arg3));
11909#endif
11910 return ret;
11911#endif
11912#ifdef CONFIG_ATTR
11913#ifdef TARGET_NR_setxattr
11914 case TARGET_NR_listxattr:
11915 case TARGET_NR_llistxattr:
11916 {
11917 void *p, *b = 0;
11918 if (arg2) {
11919 b = lock_user(VERIFY_WRITE, arg2, arg3, 0);
11920 if (!b) {
11921 return -TARGET_EFAULT;
11922 }
11923 }
11924 p = lock_user_string(arg1);
11925 if (p) {
11926 if (num == TARGET_NR_listxattr) {
11927 ret = get_errno(listxattr(p, b, arg3));
11928 } else {
11929 ret = get_errno(llistxattr(p, b, arg3));
11930 }
11931 } else {
11932 ret = -TARGET_EFAULT;
11933 }
11934 unlock_user(p, arg1, 0);
11935 unlock_user(b, arg2, arg3);
11936 return ret;
11937 }
11938 case TARGET_NR_flistxattr:
11939 {
11940 void *b = 0;
11941 if (arg2) {
11942 b = lock_user(VERIFY_WRITE, arg2, arg3, 0);
11943 if (!b) {
11944 return -TARGET_EFAULT;
11945 }
11946 }
11947 ret = get_errno(flistxattr(arg1, b, arg3));
11948 unlock_user(b, arg2, arg3);
11949 return ret;
11950 }
11951 case TARGET_NR_setxattr:
11952 case TARGET_NR_lsetxattr:
11953 {
11954 void *p, *n, *v = 0;
11955 if (arg3) {
11956 v = lock_user(VERIFY_READ, arg3, arg4, 1);
11957 if (!v) {
11958 return -TARGET_EFAULT;
11959 }
11960 }
11961 p = lock_user_string(arg1);
11962 n = lock_user_string(arg2);
11963 if (p && n) {
11964 if (num == TARGET_NR_setxattr) {
11965 ret = get_errno(setxattr(p, n, v, arg4, arg5));
11966 } else {
11967 ret = get_errno(lsetxattr(p, n, v, arg4, arg5));
11968 }
11969 } else {
11970 ret = -TARGET_EFAULT;
11971 }
11972 unlock_user(p, arg1, 0);
11973 unlock_user(n, arg2, 0);
11974 unlock_user(v, arg3, 0);
11975 }
11976 return ret;
11977 case TARGET_NR_fsetxattr:
11978 {
11979 void *n, *v = 0;
11980 if (arg3) {
11981 v = lock_user(VERIFY_READ, arg3, arg4, 1);
11982 if (!v) {
11983 return -TARGET_EFAULT;
11984 }
11985 }
11986 n = lock_user_string(arg2);
11987 if (n) {
11988 ret = get_errno(fsetxattr(arg1, n, v, arg4, arg5));
11989 } else {
11990 ret = -TARGET_EFAULT;
11991 }
11992 unlock_user(n, arg2, 0);
11993 unlock_user(v, arg3, 0);
11994 }
11995 return ret;
11996 case TARGET_NR_getxattr:
11997 case TARGET_NR_lgetxattr:
11998 {
11999 void *p, *n, *v = 0;
12000 if (arg3) {
12001 v = lock_user(VERIFY_WRITE, arg3, arg4, 0);
12002 if (!v) {
12003 return -TARGET_EFAULT;
12004 }
12005 }
12006 p = lock_user_string(arg1);
12007 n = lock_user_string(arg2);
12008 if (p && n) {
12009 if (num == TARGET_NR_getxattr) {
12010 ret = get_errno(getxattr(p, n, v, arg4));
12011 } else {
12012 ret = get_errno(lgetxattr(p, n, v, arg4));
12013 }
12014 } else {
12015 ret = -TARGET_EFAULT;
12016 }
12017 unlock_user(p, arg1, 0);
12018 unlock_user(n, arg2, 0);
12019 unlock_user(v, arg3, arg4);
12020 }
12021 return ret;
12022 case TARGET_NR_fgetxattr:
12023 {
12024 void *n, *v = 0;
12025 if (arg3) {
12026 v = lock_user(VERIFY_WRITE, arg3, arg4, 0);
12027 if (!v) {
12028 return -TARGET_EFAULT;
12029 }
12030 }
12031 n = lock_user_string(arg2);
12032 if (n) {
12033 ret = get_errno(fgetxattr(arg1, n, v, arg4));
12034 } else {
12035 ret = -TARGET_EFAULT;
12036 }
12037 unlock_user(n, arg2, 0);
12038 unlock_user(v, arg3, arg4);
12039 }
12040 return ret;
12041 case TARGET_NR_removexattr:
12042 case TARGET_NR_lremovexattr:
12043 {
12044 void *p, *n;
12045 p = lock_user_string(arg1);
12046 n = lock_user_string(arg2);
12047 if (p && n) {
12048 if (num == TARGET_NR_removexattr) {
12049 ret = get_errno(removexattr(p, n));
12050 } else {
12051 ret = get_errno(lremovexattr(p, n));
12052 }
12053 } else {
12054 ret = -TARGET_EFAULT;
12055 }
12056 unlock_user(p, arg1, 0);
12057 unlock_user(n, arg2, 0);
12058 }
12059 return ret;
12060 case TARGET_NR_fremovexattr:
12061 {
12062 void *n;
12063 n = lock_user_string(arg2);
12064 if (n) {
12065 ret = get_errno(fremovexattr(arg1, n));
12066 } else {
12067 ret = -TARGET_EFAULT;
12068 }
12069 unlock_user(n, arg2, 0);
12070 }
12071 return ret;
12072#endif
12073#endif
12074#ifdef TARGET_NR_set_thread_area
12075 case TARGET_NR_set_thread_area:
12076#if defined(TARGET_MIPS)
12077 cpu_env->active_tc.CP0_UserLocal = arg1;
12078 return 0;
12079#elif defined(TARGET_CRIS)
12080 if (arg1 & 0xff)
12081 ret = -TARGET_EINVAL;
12082 else {
12083 cpu_env->pregs[PR_PID] = arg1;
12084 ret = 0;
12085 }
12086 return ret;
12087#elif defined(TARGET_I386) && defined(TARGET_ABI32)
12088 return do_set_thread_area(cpu_env, arg1);
12089#elif defined(TARGET_M68K)
12090 {
12091 TaskState *ts = cpu->opaque;
12092 ts->tp_value = arg1;
12093 return 0;
12094 }
12095#else
12096 return -TARGET_ENOSYS;
12097#endif
12098#endif
12099#ifdef TARGET_NR_get_thread_area
12100 case TARGET_NR_get_thread_area:
12101#if defined(TARGET_I386) && defined(TARGET_ABI32)
12102 return do_get_thread_area(cpu_env, arg1);
12103#elif defined(TARGET_M68K)
12104 {
12105 TaskState *ts = cpu->opaque;
12106 return ts->tp_value;
12107 }
12108#else
12109 return -TARGET_ENOSYS;
12110#endif
12111#endif
12112#ifdef TARGET_NR_getdomainname
12113 case TARGET_NR_getdomainname:
12114 return -TARGET_ENOSYS;
12115#endif
12116
12117#ifdef TARGET_NR_clock_settime
12118 case TARGET_NR_clock_settime:
12119 {
12120 struct timespec ts;
12121
12122 ret = target_to_host_timespec(&ts, arg2);
12123 if (!is_error(ret)) {
12124 ret = get_errno(clock_settime(arg1, &ts));
12125 }
12126 return ret;
12127 }
12128#endif
12129#ifdef TARGET_NR_clock_settime64
12130 case TARGET_NR_clock_settime64:
12131 {
12132 struct timespec ts;
12133
12134 ret = target_to_host_timespec64(&ts, arg2);
12135 if (!is_error(ret)) {
12136 ret = get_errno(clock_settime(arg1, &ts));
12137 }
12138 return ret;
12139 }
12140#endif
12141#ifdef TARGET_NR_clock_gettime
12142 case TARGET_NR_clock_gettime:
12143 {
12144 struct timespec ts;
12145 ret = get_errno(clock_gettime(arg1, &ts));
12146 if (!is_error(ret)) {
12147 ret = host_to_target_timespec(arg2, &ts);
12148 }
12149 return ret;
12150 }
12151#endif
12152#ifdef TARGET_NR_clock_gettime64
12153 case TARGET_NR_clock_gettime64:
12154 {
12155 struct timespec ts;
12156 ret = get_errno(clock_gettime(arg1, &ts));
12157 if (!is_error(ret)) {
12158 ret = host_to_target_timespec64(arg2, &ts);
12159 }
12160 return ret;
12161 }
12162#endif
12163#ifdef TARGET_NR_clock_getres
12164 case TARGET_NR_clock_getres:
12165 {
12166 struct timespec ts;
12167 ret = get_errno(clock_getres(arg1, &ts));
12168 if (!is_error(ret)) {
12169 host_to_target_timespec(arg2, &ts);
12170 }
12171 return ret;
12172 }
12173#endif
12174#ifdef TARGET_NR_clock_getres_time64
12175 case TARGET_NR_clock_getres_time64:
12176 {
12177 struct timespec ts;
12178 ret = get_errno(clock_getres(arg1, &ts));
12179 if (!is_error(ret)) {
12180 host_to_target_timespec64(arg2, &ts);
12181 }
12182 return ret;
12183 }
12184#endif
12185#ifdef TARGET_NR_clock_nanosleep
12186 case TARGET_NR_clock_nanosleep:
12187 {
12188 struct timespec ts;
12189 if (target_to_host_timespec(&ts, arg3)) {
12190 return -TARGET_EFAULT;
12191 }
12192 ret = get_errno(safe_clock_nanosleep(arg1, arg2,
12193 &ts, arg4 ? &ts : NULL));
12194
12195
12196
12197
12198
12199 if (ret == -TARGET_EINTR && arg4 && arg2 != TIMER_ABSTIME &&
12200 host_to_target_timespec(arg4, &ts)) {
12201 return -TARGET_EFAULT;
12202 }
12203
12204 return ret;
12205 }
12206#endif
12207#ifdef TARGET_NR_clock_nanosleep_time64
12208 case TARGET_NR_clock_nanosleep_time64:
12209 {
12210 struct timespec ts;
12211
12212 if (target_to_host_timespec64(&ts, arg3)) {
12213 return -TARGET_EFAULT;
12214 }
12215
12216 ret = get_errno(safe_clock_nanosleep(arg1, arg2,
12217 &ts, arg4 ? &ts : NULL));
12218
12219 if (ret == -TARGET_EINTR && arg4 && arg2 != TIMER_ABSTIME &&
12220 host_to_target_timespec64(arg4, &ts)) {
12221 return -TARGET_EFAULT;
12222 }
12223 return ret;
12224 }
12225#endif
12226
12227#if defined(TARGET_NR_set_tid_address)
12228 case TARGET_NR_set_tid_address:
12229 {
12230 TaskState *ts = cpu->opaque;
12231 ts->child_tidptr = arg1;
12232
12233 return get_errno(sys_gettid());
12234 }
12235#endif
12236
12237 case TARGET_NR_tkill:
12238 return get_errno(safe_tkill((int)arg1, target_to_host_signal(arg2)));
12239
12240 case TARGET_NR_tgkill:
12241 return get_errno(safe_tgkill((int)arg1, (int)arg2,
12242 target_to_host_signal(arg3)));
12243
12244#ifdef TARGET_NR_set_robust_list
12245 case TARGET_NR_set_robust_list:
12246 case TARGET_NR_get_robust_list:
12247
12248
12249
12250
12251
12252
12253
12254
12255
12256
12257
12258
12259 return -TARGET_ENOSYS;
12260#endif
12261
12262#if defined(TARGET_NR_utimensat)
12263 case TARGET_NR_utimensat:
12264 {
12265 struct timespec *tsp, ts[2];
12266 if (!arg3) {
12267 tsp = NULL;
12268 } else {
12269 if (target_to_host_timespec(ts, arg3)) {
12270 return -TARGET_EFAULT;
12271 }
12272 if (target_to_host_timespec(ts + 1, arg3 +
12273 sizeof(struct target_timespec))) {
12274 return -TARGET_EFAULT;
12275 }
12276 tsp = ts;
12277 }
12278 if (!arg2)
12279 ret = get_errno(sys_utimensat(arg1, NULL, tsp, arg4));
12280 else {
12281 if (!(p = lock_user_string(arg2))) {
12282 return -TARGET_EFAULT;
12283 }
12284 ret = get_errno(sys_utimensat(arg1, path(p), tsp, arg4));
12285 unlock_user(p, arg2, 0);
12286 }
12287 }
12288 return ret;
12289#endif
12290#ifdef TARGET_NR_utimensat_time64
12291 case TARGET_NR_utimensat_time64:
12292 {
12293 struct timespec *tsp, ts[2];
12294 if (!arg3) {
12295 tsp = NULL;
12296 } else {
12297 if (target_to_host_timespec64(ts, arg3)) {
12298 return -TARGET_EFAULT;
12299 }
12300 if (target_to_host_timespec64(ts + 1, arg3 +
12301 sizeof(struct target__kernel_timespec))) {
12302 return -TARGET_EFAULT;
12303 }
12304 tsp = ts;
12305 }
12306 if (!arg2)
12307 ret = get_errno(sys_utimensat(arg1, NULL, tsp, arg4));
12308 else {
12309 p = lock_user_string(arg2);
12310 if (!p) {
12311 return -TARGET_EFAULT;
12312 }
12313 ret = get_errno(sys_utimensat(arg1, path(p), tsp, arg4));
12314 unlock_user(p, arg2, 0);
12315 }
12316 }
12317 return ret;
12318#endif
12319#ifdef TARGET_NR_futex
12320 case TARGET_NR_futex:
12321 return do_futex(cpu, arg1, arg2, arg3, arg4, arg5, arg6);
12322#endif
12323#ifdef TARGET_NR_futex_time64
12324 case TARGET_NR_futex_time64:
12325 return do_futex_time64(cpu, arg1, arg2, arg3, arg4, arg5, arg6);
12326#endif
12327#ifdef CONFIG_INOTIFY
12328#if defined(TARGET_NR_inotify_init)
12329 case TARGET_NR_inotify_init:
12330 ret = get_errno(inotify_init());
12331 if (ret >= 0) {
12332 fd_trans_register(ret, &target_inotify_trans);
12333 }
12334 return ret;
12335#endif
12336#if defined(TARGET_NR_inotify_init1) && defined(CONFIG_INOTIFY1)
12337 case TARGET_NR_inotify_init1:
12338 ret = get_errno(inotify_init1(target_to_host_bitmask(arg1,
12339 fcntl_flags_tbl)));
12340 if (ret >= 0) {
12341 fd_trans_register(ret, &target_inotify_trans);
12342 }
12343 return ret;
12344#endif
12345#if defined(TARGET_NR_inotify_add_watch)
12346 case TARGET_NR_inotify_add_watch:
12347 p = lock_user_string(arg2);
12348 ret = get_errno(inotify_add_watch(arg1, path(p), arg3));
12349 unlock_user(p, arg2, 0);
12350 return ret;
12351#endif
12352#if defined(TARGET_NR_inotify_rm_watch)
12353 case TARGET_NR_inotify_rm_watch:
12354 return get_errno(inotify_rm_watch(arg1, arg2));
12355#endif
12356#endif
12357
12358#if defined(TARGET_NR_mq_open) && defined(__NR_mq_open)
12359 case TARGET_NR_mq_open:
12360 {
12361 struct mq_attr posix_mq_attr;
12362 struct mq_attr *pposix_mq_attr;
12363 int host_flags;
12364
12365 host_flags = target_to_host_bitmask(arg2, fcntl_flags_tbl);
12366 pposix_mq_attr = NULL;
12367 if (arg4) {
12368 if (copy_from_user_mq_attr(&posix_mq_attr, arg4) != 0) {
12369 return -TARGET_EFAULT;
12370 }
12371 pposix_mq_attr = &posix_mq_attr;
12372 }
12373 p = lock_user_string(arg1 - 1);
12374 if (!p) {
12375 return -TARGET_EFAULT;
12376 }
12377 ret = get_errno(mq_open(p, host_flags, arg3, pposix_mq_attr));
12378 unlock_user (p, arg1, 0);
12379 }
12380 return ret;
12381
12382 case TARGET_NR_mq_unlink:
12383 p = lock_user_string(arg1 - 1);
12384 if (!p) {
12385 return -TARGET_EFAULT;
12386 }
12387 ret = get_errno(mq_unlink(p));
12388 unlock_user (p, arg1, 0);
12389 return ret;
12390
12391#ifdef TARGET_NR_mq_timedsend
12392 case TARGET_NR_mq_timedsend:
12393 {
12394 struct timespec ts;
12395
12396 p = lock_user (VERIFY_READ, arg2, arg3, 1);
12397 if (arg5 != 0) {
12398 if (target_to_host_timespec(&ts, arg5)) {
12399 return -TARGET_EFAULT;
12400 }
12401 ret = get_errno(safe_mq_timedsend(arg1, p, arg3, arg4, &ts));
12402 if (!is_error(ret) && host_to_target_timespec(arg5, &ts)) {
12403 return -TARGET_EFAULT;
12404 }
12405 } else {
12406 ret = get_errno(safe_mq_timedsend(arg1, p, arg3, arg4, NULL));
12407 }
12408 unlock_user (p, arg2, arg3);
12409 }
12410 return ret;
12411#endif
12412#ifdef TARGET_NR_mq_timedsend_time64
12413 case TARGET_NR_mq_timedsend_time64:
12414 {
12415 struct timespec ts;
12416
12417 p = lock_user(VERIFY_READ, arg2, arg3, 1);
12418 if (arg5 != 0) {
12419 if (target_to_host_timespec64(&ts, arg5)) {
12420 return -TARGET_EFAULT;
12421 }
12422 ret = get_errno(safe_mq_timedsend(arg1, p, arg3, arg4, &ts));
12423 if (!is_error(ret) && host_to_target_timespec64(arg5, &ts)) {
12424 return -TARGET_EFAULT;
12425 }
12426 } else {
12427 ret = get_errno(safe_mq_timedsend(arg1, p, arg3, arg4, NULL));
12428 }
12429 unlock_user(p, arg2, arg3);
12430 }
12431 return ret;
12432#endif
12433
12434#ifdef TARGET_NR_mq_timedreceive
12435 case TARGET_NR_mq_timedreceive:
12436 {
12437 struct timespec ts;
12438 unsigned int prio;
12439
12440 p = lock_user (VERIFY_READ, arg2, arg3, 1);
12441 if (arg5 != 0) {
12442 if (target_to_host_timespec(&ts, arg5)) {
12443 return -TARGET_EFAULT;
12444 }
12445 ret = get_errno(safe_mq_timedreceive(arg1, p, arg3,
12446 &prio, &ts));
12447 if (!is_error(ret) && host_to_target_timespec(arg5, &ts)) {
12448 return -TARGET_EFAULT;
12449 }
12450 } else {
12451 ret = get_errno(safe_mq_timedreceive(arg1, p, arg3,
12452 &prio, NULL));
12453 }
12454 unlock_user (p, arg2, arg3);
12455 if (arg4 != 0)
12456 put_user_u32(prio, arg4);
12457 }
12458 return ret;
12459#endif
12460#ifdef TARGET_NR_mq_timedreceive_time64
12461 case TARGET_NR_mq_timedreceive_time64:
12462 {
12463 struct timespec ts;
12464 unsigned int prio;
12465
12466 p = lock_user(VERIFY_READ, arg2, arg3, 1);
12467 if (arg5 != 0) {
12468 if (target_to_host_timespec64(&ts, arg5)) {
12469 return -TARGET_EFAULT;
12470 }
12471 ret = get_errno(safe_mq_timedreceive(arg1, p, arg3,
12472 &prio, &ts));
12473 if (!is_error(ret) && host_to_target_timespec64(arg5, &ts)) {
12474 return -TARGET_EFAULT;
12475 }
12476 } else {
12477 ret = get_errno(safe_mq_timedreceive(arg1, p, arg3,
12478 &prio, NULL));
12479 }
12480 unlock_user(p, arg2, arg3);
12481 if (arg4 != 0) {
12482 put_user_u32(prio, arg4);
12483 }
12484 }
12485 return ret;
12486#endif
12487
12488
12489
12490
12491
12492 case TARGET_NR_mq_getsetattr:
12493 {
12494 struct mq_attr posix_mq_attr_in, posix_mq_attr_out;
12495 ret = 0;
12496 if (arg2 != 0) {
12497 copy_from_user_mq_attr(&posix_mq_attr_in, arg2);
12498 ret = get_errno(mq_setattr(arg1, &posix_mq_attr_in,
12499 &posix_mq_attr_out));
12500 } else if (arg3 != 0) {
12501 ret = get_errno(mq_getattr(arg1, &posix_mq_attr_out));
12502 }
12503 if (ret == 0 && arg3 != 0) {
12504 copy_to_user_mq_attr(arg3, &posix_mq_attr_out);
12505 }
12506 }
12507 return ret;
12508#endif
12509
12510#ifdef CONFIG_SPLICE
12511#ifdef TARGET_NR_tee
12512 case TARGET_NR_tee:
12513 {
12514 ret = get_errno(tee(arg1,arg2,arg3,arg4));
12515 }
12516 return ret;
12517#endif
12518#ifdef TARGET_NR_splice
12519 case TARGET_NR_splice:
12520 {
12521 loff_t loff_in, loff_out;
12522 loff_t *ploff_in = NULL, *ploff_out = NULL;
12523 if (arg2) {
12524 if (get_user_u64(loff_in, arg2)) {
12525 return -TARGET_EFAULT;
12526 }
12527 ploff_in = &loff_in;
12528 }
12529 if (arg4) {
12530 if (get_user_u64(loff_out, arg4)) {
12531 return -TARGET_EFAULT;
12532 }
12533 ploff_out = &loff_out;
12534 }
12535 ret = get_errno(splice(arg1, ploff_in, arg3, ploff_out, arg5, arg6));
12536 if (arg2) {
12537 if (put_user_u64(loff_in, arg2)) {
12538 return -TARGET_EFAULT;
12539 }
12540 }
12541 if (arg4) {
12542 if (put_user_u64(loff_out, arg4)) {
12543 return -TARGET_EFAULT;
12544 }
12545 }
12546 }
12547 return ret;
12548#endif
12549#ifdef TARGET_NR_vmsplice
12550 case TARGET_NR_vmsplice:
12551 {
12552 struct iovec *vec = lock_iovec(VERIFY_READ, arg2, arg3, 1);
12553 if (vec != NULL) {
12554 ret = get_errno(vmsplice(arg1, vec, arg3, arg4));
12555 unlock_iovec(vec, arg2, arg3, 0);
12556 } else {
12557 ret = -host_to_target_errno(errno);
12558 }
12559 }
12560 return ret;
12561#endif
12562#endif
12563#ifdef CONFIG_EVENTFD
12564#if defined(TARGET_NR_eventfd)
12565 case TARGET_NR_eventfd:
12566 ret = get_errno(eventfd(arg1, 0));
12567 if (ret >= 0) {
12568 fd_trans_register(ret, &target_eventfd_trans);
12569 }
12570 return ret;
12571#endif
12572#if defined(TARGET_NR_eventfd2)
12573 case TARGET_NR_eventfd2:
12574 {
12575 int host_flags = arg2 & (~(TARGET_O_NONBLOCK_MASK | TARGET_O_CLOEXEC));
12576 if (arg2 & TARGET_O_NONBLOCK) {
12577 host_flags |= O_NONBLOCK;
12578 }
12579 if (arg2 & TARGET_O_CLOEXEC) {
12580 host_flags |= O_CLOEXEC;
12581 }
12582 ret = get_errno(eventfd(arg1, host_flags));
12583 if (ret >= 0) {
12584 fd_trans_register(ret, &target_eventfd_trans);
12585 }
12586 return ret;
12587 }
12588#endif
12589#endif
12590#if defined(CONFIG_FALLOCATE) && defined(TARGET_NR_fallocate)
12591 case TARGET_NR_fallocate:
12592#if TARGET_ABI_BITS == 32
12593 ret = get_errno(fallocate(arg1, arg2, target_offset64(arg3, arg4),
12594 target_offset64(arg5, arg6)));
12595#else
12596 ret = get_errno(fallocate(arg1, arg2, arg3, arg4));
12597#endif
12598 return ret;
12599#endif
12600#if defined(CONFIG_SYNC_FILE_RANGE)
12601#if defined(TARGET_NR_sync_file_range)
12602 case TARGET_NR_sync_file_range:
12603#if TARGET_ABI_BITS == 32
12604#if defined(TARGET_MIPS)
12605 ret = get_errno(sync_file_range(arg1, target_offset64(arg3, arg4),
12606 target_offset64(arg5, arg6), arg7));
12607#else
12608 ret = get_errno(sync_file_range(arg1, target_offset64(arg2, arg3),
12609 target_offset64(arg4, arg5), arg6));
12610#endif
12611#else
12612 ret = get_errno(sync_file_range(arg1, arg2, arg3, arg4));
12613#endif
12614 return ret;
12615#endif
12616#if defined(TARGET_NR_sync_file_range2) || \
12617 defined(TARGET_NR_arm_sync_file_range)
12618#if defined(TARGET_NR_sync_file_range2)
12619 case TARGET_NR_sync_file_range2:
12620#endif
12621#if defined(TARGET_NR_arm_sync_file_range)
12622 case TARGET_NR_arm_sync_file_range:
12623#endif
12624
12625#if TARGET_ABI_BITS == 32
12626 ret = get_errno(sync_file_range(arg1, target_offset64(arg3, arg4),
12627 target_offset64(arg5, arg6), arg2));
12628#else
12629 ret = get_errno(sync_file_range(arg1, arg3, arg4, arg2));
12630#endif
12631 return ret;
12632#endif
12633#endif
12634#if defined(TARGET_NR_signalfd4)
12635 case TARGET_NR_signalfd4:
12636 return do_signalfd4(arg1, arg2, arg4);
12637#endif
12638#if defined(TARGET_NR_signalfd)
12639 case TARGET_NR_signalfd:
12640 return do_signalfd4(arg1, arg2, 0);
12641#endif
12642#if defined(CONFIG_EPOLL)
12643#if defined(TARGET_NR_epoll_create)
12644 case TARGET_NR_epoll_create:
12645 return get_errno(epoll_create(arg1));
12646#endif
12647#if defined(TARGET_NR_epoll_create1) && defined(CONFIG_EPOLL_CREATE1)
12648 case TARGET_NR_epoll_create1:
12649 return get_errno(epoll_create1(target_to_host_bitmask(arg1, fcntl_flags_tbl)));
12650#endif
12651#if defined(TARGET_NR_epoll_ctl)
12652 case TARGET_NR_epoll_ctl:
12653 {
12654 struct epoll_event ep;
12655 struct epoll_event *epp = 0;
12656 if (arg4) {
12657 if (arg2 != EPOLL_CTL_DEL) {
12658 struct target_epoll_event *target_ep;
12659 if (!lock_user_struct(VERIFY_READ, target_ep, arg4, 1)) {
12660 return -TARGET_EFAULT;
12661 }
12662 ep.events = tswap32(target_ep->events);
12663
12664
12665
12666
12667
12668 ep.data.u64 = tswap64(target_ep->data.u64);
12669 unlock_user_struct(target_ep, arg4, 0);
12670 }
12671
12672
12673
12674
12675
12676 epp = &ep;
12677 }
12678 return get_errno(epoll_ctl(arg1, arg2, arg3, epp));
12679 }
12680#endif
12681
12682#if defined(TARGET_NR_epoll_wait) || defined(TARGET_NR_epoll_pwait)
12683#if defined(TARGET_NR_epoll_wait)
12684 case TARGET_NR_epoll_wait:
12685#endif
12686#if defined(TARGET_NR_epoll_pwait)
12687 case TARGET_NR_epoll_pwait:
12688#endif
12689 {
12690 struct target_epoll_event *target_ep;
12691 struct epoll_event *ep;
12692 int epfd = arg1;
12693 int maxevents = arg3;
12694 int timeout = arg4;
12695
12696 if (maxevents <= 0 || maxevents > TARGET_EP_MAX_EVENTS) {
12697 return -TARGET_EINVAL;
12698 }
12699
12700 target_ep = lock_user(VERIFY_WRITE, arg2,
12701 maxevents * sizeof(struct target_epoll_event), 1);
12702 if (!target_ep) {
12703 return -TARGET_EFAULT;
12704 }
12705
12706 ep = g_try_new(struct epoll_event, maxevents);
12707 if (!ep) {
12708 unlock_user(target_ep, arg2, 0);
12709 return -TARGET_ENOMEM;
12710 }
12711
12712 switch (num) {
12713#if defined(TARGET_NR_epoll_pwait)
12714 case TARGET_NR_epoll_pwait:
12715 {
12716 sigset_t *set = NULL;
12717
12718 if (arg5) {
12719 ret = process_sigsuspend_mask(&set, arg5, arg6);
12720 if (ret != 0) {
12721 break;
12722 }
12723 }
12724
12725 ret = get_errno(safe_epoll_pwait(epfd, ep, maxevents, timeout,
12726 set, SIGSET_T_SIZE));
12727
12728 if (set) {
12729 finish_sigsuspend_mask(ret);
12730 }
12731 break;
12732 }
12733#endif
12734#if defined(TARGET_NR_epoll_wait)
12735 case TARGET_NR_epoll_wait:
12736 ret = get_errno(safe_epoll_pwait(epfd, ep, maxevents, timeout,
12737 NULL, 0));
12738 break;
12739#endif
12740 default:
12741 ret = -TARGET_ENOSYS;
12742 }
12743 if (!is_error(ret)) {
12744 int i;
12745 for (i = 0; i < ret; i++) {
12746 target_ep[i].events = tswap32(ep[i].events);
12747 target_ep[i].data.u64 = tswap64(ep[i].data.u64);
12748 }
12749 unlock_user(target_ep, arg2,
12750 ret * sizeof(struct target_epoll_event));
12751 } else {
12752 unlock_user(target_ep, arg2, 0);
12753 }
12754 g_free(ep);
12755 return ret;
12756 }
12757#endif
12758#endif
12759#ifdef TARGET_NR_prlimit64
12760 case TARGET_NR_prlimit64:
12761 {
12762
12763 struct target_rlimit64 *target_rnew, *target_rold;
12764 struct host_rlimit64 rnew, rold, *rnewp = 0;
12765 int resource = target_to_host_resource(arg2);
12766
12767 if (arg3 && (resource != RLIMIT_AS &&
12768 resource != RLIMIT_DATA &&
12769 resource != RLIMIT_STACK)) {
12770 if (!lock_user_struct(VERIFY_READ, target_rnew, arg3, 1)) {
12771 return -TARGET_EFAULT;
12772 }
12773 rnew.rlim_cur = tswap64(target_rnew->rlim_cur);
12774 rnew.rlim_max = tswap64(target_rnew->rlim_max);
12775 unlock_user_struct(target_rnew, arg3, 0);
12776 rnewp = &rnew;
12777 }
12778
12779 ret = get_errno(sys_prlimit64(arg1, resource, rnewp, arg4 ? &rold : 0));
12780 if (!is_error(ret) && arg4) {
12781 if (!lock_user_struct(VERIFY_WRITE, target_rold, arg4, 1)) {
12782 return -TARGET_EFAULT;
12783 }
12784 target_rold->rlim_cur = tswap64(rold.rlim_cur);
12785 target_rold->rlim_max = tswap64(rold.rlim_max);
12786 unlock_user_struct(target_rold, arg4, 1);
12787 }
12788 return ret;
12789 }
12790#endif
12791#ifdef TARGET_NR_gethostname
12792 case TARGET_NR_gethostname:
12793 {
12794 char *name = lock_user(VERIFY_WRITE, arg1, arg2, 0);
12795 if (name) {
12796 ret = get_errno(gethostname(name, arg2));
12797 unlock_user(name, arg1, arg2);
12798 } else {
12799 ret = -TARGET_EFAULT;
12800 }
12801 return ret;
12802 }
12803#endif
12804#ifdef TARGET_NR_atomic_cmpxchg_32
12805 case TARGET_NR_atomic_cmpxchg_32:
12806 {
12807
12808 abi_ulong mem_value;
12809 if (get_user_u32(mem_value, arg6)) {
12810 target_siginfo_t info;
12811 info.si_signo = SIGSEGV;
12812 info.si_errno = 0;
12813 info.si_code = TARGET_SEGV_MAPERR;
12814 info._sifields._sigfault._addr = arg6;
12815 queue_signal(cpu_env, info.si_signo, QEMU_SI_FAULT, &info);
12816 ret = 0xdeadbeef;
12817
12818 }
12819 if (mem_value == arg2)
12820 put_user_u32(arg1, arg6);
12821 return mem_value;
12822 }
12823#endif
12824#ifdef TARGET_NR_atomic_barrier
12825 case TARGET_NR_atomic_barrier:
12826
12827
12828 return 0;
12829#endif
12830
12831#ifdef TARGET_NR_timer_create
12832 case TARGET_NR_timer_create:
12833 {
12834
12835
12836 struct sigevent host_sevp = { {0}, }, *phost_sevp = NULL;
12837
12838 int clkid = arg1;
12839 int timer_index = next_free_host_timer();
12840
12841 if (timer_index < 0) {
12842 ret = -TARGET_EAGAIN;
12843 } else {
12844 timer_t *phtimer = g_posix_timers + timer_index;
12845
12846 if (arg2) {
12847 phost_sevp = &host_sevp;
12848 ret = target_to_host_sigevent(phost_sevp, arg2);
12849 if (ret != 0) {
12850 return ret;
12851 }
12852 }
12853
12854 ret = get_errno(timer_create(clkid, phost_sevp, phtimer));
12855 if (ret) {
12856 phtimer = NULL;
12857 } else {
12858 if (put_user(TIMER_MAGIC | timer_index, arg3, target_timer_t)) {
12859 return -TARGET_EFAULT;
12860 }
12861 }
12862 }
12863 return ret;
12864 }
12865#endif
12866
12867#ifdef TARGET_NR_timer_settime
12868 case TARGET_NR_timer_settime:
12869 {
12870
12871
12872 target_timer_t timerid = get_timer_id(arg1);
12873
12874 if (timerid < 0) {
12875 ret = timerid;
12876 } else if (arg3 == 0) {
12877 ret = -TARGET_EINVAL;
12878 } else {
12879 timer_t htimer = g_posix_timers[timerid];
12880 struct itimerspec hspec_new = {{0},}, hspec_old = {{0},};
12881
12882 if (target_to_host_itimerspec(&hspec_new, arg3)) {
12883 return -TARGET_EFAULT;
12884 }
12885 ret = get_errno(
12886 timer_settime(htimer, arg2, &hspec_new, &hspec_old));
12887 if (arg4 && host_to_target_itimerspec(arg4, &hspec_old)) {
12888 return -TARGET_EFAULT;
12889 }
12890 }
12891 return ret;
12892 }
12893#endif
12894
12895#ifdef TARGET_NR_timer_settime64
12896 case TARGET_NR_timer_settime64:
12897 {
12898 target_timer_t timerid = get_timer_id(arg1);
12899
12900 if (timerid < 0) {
12901 ret = timerid;
12902 } else if (arg3 == 0) {
12903 ret = -TARGET_EINVAL;
12904 } else {
12905 timer_t htimer = g_posix_timers[timerid];
12906 struct itimerspec hspec_new = {{0},}, hspec_old = {{0},};
12907
12908 if (target_to_host_itimerspec64(&hspec_new, arg3)) {
12909 return -TARGET_EFAULT;
12910 }
12911 ret = get_errno(
12912 timer_settime(htimer, arg2, &hspec_new, &hspec_old));
12913 if (arg4 && host_to_target_itimerspec64(arg4, &hspec_old)) {
12914 return -TARGET_EFAULT;
12915 }
12916 }
12917 return ret;
12918 }
12919#endif
12920
12921#ifdef TARGET_NR_timer_gettime
12922 case TARGET_NR_timer_gettime:
12923 {
12924
12925 target_timer_t timerid = get_timer_id(arg1);
12926
12927 if (timerid < 0) {
12928 ret = timerid;
12929 } else if (!arg2) {
12930 ret = -TARGET_EFAULT;
12931 } else {
12932 timer_t htimer = g_posix_timers[timerid];
12933 struct itimerspec hspec;
12934 ret = get_errno(timer_gettime(htimer, &hspec));
12935
12936 if (host_to_target_itimerspec(arg2, &hspec)) {
12937 ret = -TARGET_EFAULT;
12938 }
12939 }
12940 return ret;
12941 }
12942#endif
12943
12944#ifdef TARGET_NR_timer_gettime64
12945 case TARGET_NR_timer_gettime64:
12946 {
12947
12948 target_timer_t timerid = get_timer_id(arg1);
12949
12950 if (timerid < 0) {
12951 ret = timerid;
12952 } else if (!arg2) {
12953 ret = -TARGET_EFAULT;
12954 } else {
12955 timer_t htimer = g_posix_timers[timerid];
12956 struct itimerspec hspec;
12957 ret = get_errno(timer_gettime(htimer, &hspec));
12958
12959 if (host_to_target_itimerspec64(arg2, &hspec)) {
12960 ret = -TARGET_EFAULT;
12961 }
12962 }
12963 return ret;
12964 }
12965#endif
12966
12967#ifdef TARGET_NR_timer_getoverrun
12968 case TARGET_NR_timer_getoverrun:
12969 {
12970
12971 target_timer_t timerid = get_timer_id(arg1);
12972
12973 if (timerid < 0) {
12974 ret = timerid;
12975 } else {
12976 timer_t htimer = g_posix_timers[timerid];
12977 ret = get_errno(timer_getoverrun(htimer));
12978 }
12979 return ret;
12980 }
12981#endif
12982
12983#ifdef TARGET_NR_timer_delete
12984 case TARGET_NR_timer_delete:
12985 {
12986
12987 target_timer_t timerid = get_timer_id(arg1);
12988
12989 if (timerid < 0) {
12990 ret = timerid;
12991 } else {
12992 timer_t htimer = g_posix_timers[timerid];
12993 ret = get_errno(timer_delete(htimer));
12994 g_posix_timers[timerid] = 0;
12995 }
12996 return ret;
12997 }
12998#endif
12999
13000#if defined(TARGET_NR_timerfd_create) && defined(CONFIG_TIMERFD)
13001 case TARGET_NR_timerfd_create:
13002 return get_errno(timerfd_create(arg1,
13003 target_to_host_bitmask(arg2, fcntl_flags_tbl)));
13004#endif
13005
13006#if defined(TARGET_NR_timerfd_gettime) && defined(CONFIG_TIMERFD)
13007 case TARGET_NR_timerfd_gettime:
13008 {
13009 struct itimerspec its_curr;
13010
13011 ret = get_errno(timerfd_gettime(arg1, &its_curr));
13012
13013 if (arg2 && host_to_target_itimerspec(arg2, &its_curr)) {
13014 return -TARGET_EFAULT;
13015 }
13016 }
13017 return ret;
13018#endif
13019
13020#if defined(TARGET_NR_timerfd_gettime64) && defined(CONFIG_TIMERFD)
13021 case TARGET_NR_timerfd_gettime64:
13022 {
13023 struct itimerspec its_curr;
13024
13025 ret = get_errno(timerfd_gettime(arg1, &its_curr));
13026
13027 if (arg2 && host_to_target_itimerspec64(arg2, &its_curr)) {
13028 return -TARGET_EFAULT;
13029 }
13030 }
13031 return ret;
13032#endif
13033
13034#if defined(TARGET_NR_timerfd_settime) && defined(CONFIG_TIMERFD)
13035 case TARGET_NR_timerfd_settime:
13036 {
13037 struct itimerspec its_new, its_old, *p_new;
13038
13039 if (arg3) {
13040 if (target_to_host_itimerspec(&its_new, arg3)) {
13041 return -TARGET_EFAULT;
13042 }
13043 p_new = &its_new;
13044 } else {
13045 p_new = NULL;
13046 }
13047
13048 ret = get_errno(timerfd_settime(arg1, arg2, p_new, &its_old));
13049
13050 if (arg4 && host_to_target_itimerspec(arg4, &its_old)) {
13051 return -TARGET_EFAULT;
13052 }
13053 }
13054 return ret;
13055#endif
13056
13057#if defined(TARGET_NR_timerfd_settime64) && defined(CONFIG_TIMERFD)
13058 case TARGET_NR_timerfd_settime64:
13059 {
13060 struct itimerspec its_new, its_old, *p_new;
13061
13062 if (arg3) {
13063 if (target_to_host_itimerspec64(&its_new, arg3)) {
13064 return -TARGET_EFAULT;
13065 }
13066 p_new = &its_new;
13067 } else {
13068 p_new = NULL;
13069 }
13070
13071 ret = get_errno(timerfd_settime(arg1, arg2, p_new, &its_old));
13072
13073 if (arg4 && host_to_target_itimerspec64(arg4, &its_old)) {
13074 return -TARGET_EFAULT;
13075 }
13076 }
13077 return ret;
13078#endif
13079
13080#if defined(TARGET_NR_ioprio_get) && defined(__NR_ioprio_get)
13081 case TARGET_NR_ioprio_get:
13082 return get_errno(ioprio_get(arg1, arg2));
13083#endif
13084
13085#if defined(TARGET_NR_ioprio_set) && defined(__NR_ioprio_set)
13086 case TARGET_NR_ioprio_set:
13087 return get_errno(ioprio_set(arg1, arg2, arg3));
13088#endif
13089
13090#if defined(TARGET_NR_setns) && defined(CONFIG_SETNS)
13091 case TARGET_NR_setns:
13092 return get_errno(setns(arg1, arg2));
13093#endif
13094#if defined(TARGET_NR_unshare) && defined(CONFIG_SETNS)
13095 case TARGET_NR_unshare:
13096 return get_errno(unshare(arg1));
13097#endif
13098#if defined(TARGET_NR_kcmp) && defined(__NR_kcmp)
13099 case TARGET_NR_kcmp:
13100 return get_errno(kcmp(arg1, arg2, arg3, arg4, arg5));
13101#endif
13102#ifdef TARGET_NR_swapcontext
13103 case TARGET_NR_swapcontext:
13104
13105 return do_swapcontext(cpu_env, arg1, arg2, arg3);
13106#endif
13107#ifdef TARGET_NR_memfd_create
13108 case TARGET_NR_memfd_create:
13109 p = lock_user_string(arg1);
13110 if (!p) {
13111 return -TARGET_EFAULT;
13112 }
13113 ret = get_errno(memfd_create(p, arg2));
13114 fd_trans_unregister(ret);
13115 unlock_user(p, arg1, 0);
13116 return ret;
13117#endif
13118#if defined TARGET_NR_membarrier && defined __NR_membarrier
13119 case TARGET_NR_membarrier:
13120 return get_errno(membarrier(arg1, arg2));
13121#endif
13122
13123#if defined(TARGET_NR_copy_file_range) && defined(__NR_copy_file_range)
13124 case TARGET_NR_copy_file_range:
13125 {
13126 loff_t inoff, outoff;
13127 loff_t *pinoff = NULL, *poutoff = NULL;
13128
13129 if (arg2) {
13130 if (get_user_u64(inoff, arg2)) {
13131 return -TARGET_EFAULT;
13132 }
13133 pinoff = &inoff;
13134 }
13135 if (arg4) {
13136 if (get_user_u64(outoff, arg4)) {
13137 return -TARGET_EFAULT;
13138 }
13139 poutoff = &outoff;
13140 }
13141
13142 ret = get_errno(safe_copy_file_range(arg1, pinoff, arg3, poutoff,
13143 (abi_ulong)arg5, arg6));
13144 if (!is_error(ret) && ret > 0) {
13145 if (arg2) {
13146 if (put_user_u64(inoff, arg2)) {
13147 return -TARGET_EFAULT;
13148 }
13149 }
13150 if (arg4) {
13151 if (put_user_u64(outoff, arg4)) {
13152 return -TARGET_EFAULT;
13153 }
13154 }
13155 }
13156 }
13157 return ret;
13158#endif
13159
13160#if defined(TARGET_NR_pivot_root)
13161 case TARGET_NR_pivot_root:
13162 {
13163 void *p2;
13164 p = lock_user_string(arg1);
13165 p2 = lock_user_string(arg2);
13166 if (!p || !p2) {
13167 ret = -TARGET_EFAULT;
13168 } else {
13169 ret = get_errno(pivot_root(p, p2));
13170 }
13171 unlock_user(p2, arg2, 0);
13172 unlock_user(p, arg1, 0);
13173 }
13174 return ret;
13175#endif
13176
13177 default:
13178 qemu_log_mask(LOG_UNIMP, "Unsupported syscall: %d\n", num);
13179 return -TARGET_ENOSYS;
13180 }
13181 return ret;
13182}
13183
13184abi_long do_syscall(CPUArchState *cpu_env, int num, abi_long arg1,
13185 abi_long arg2, abi_long arg3, abi_long arg4,
13186 abi_long arg5, abi_long arg6, abi_long arg7,
13187 abi_long arg8)
13188{
13189 CPUState *cpu = env_cpu(cpu_env);
13190 abi_long ret;
13191
13192#ifdef DEBUG_ERESTARTSYS
13193
13194
13195
13196
13197 {
13198 static bool flag;
13199 flag = !flag;
13200 if (flag) {
13201 return -QEMU_ERESTARTSYS;
13202 }
13203 }
13204#endif
13205
13206 record_syscall_start(cpu, num, arg1,
13207 arg2, arg3, arg4, arg5, arg6, arg7, arg8);
13208
13209 if (unlikely(qemu_loglevel_mask(LOG_STRACE))) {
13210 print_syscall(cpu_env, num, arg1, arg2, arg3, arg4, arg5, arg6);
13211 }
13212
13213 ret = do_syscall1(cpu_env, num, arg1, arg2, arg3, arg4,
13214 arg5, arg6, arg7, arg8);
13215
13216 if (unlikely(qemu_loglevel_mask(LOG_STRACE))) {
13217 print_syscall_ret(cpu_env, num, ret, arg1, arg2,
13218 arg3, arg4, arg5, arg6);
13219 }
13220
13221 record_syscall_return(cpu, num, ret);
13222 return ret;
13223}
13224