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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#include <linux/fs.h>
99#include <linux/fd.h>
100#if defined(CONFIG_FIEMAP)
101#include <linux/fiemap.h>
102#endif
103#include <linux/fb.h>
104#if defined(CONFIG_USBFS)
105#include <linux/usbdevice_fs.h>
106#include <linux/usb/ch9.h>
107#endif
108#include <linux/vt.h>
109#include <linux/dm-ioctl.h>
110#include <linux/reboot.h>
111#include <linux/route.h>
112#include <linux/filter.h>
113#include <linux/blkpg.h>
114#include <netpacket/packet.h>
115#include <linux/netlink.h>
116#include <linux/if_alg.h>
117#include <linux/rtc.h>
118#include <sound/asound.h>
119#ifdef HAVE_BTRFS_H
120#include <linux/btrfs.h>
121#endif
122#ifdef HAVE_DRM_H
123#include <libdrm/drm.h>
124#include <libdrm/i915_drm.h>
125#endif
126#include "linux_loop.h"
127#include "uname.h"
128
129#include "qemu.h"
130#include "user-internals.h"
131#include "strace.h"
132#include "signal-common.h"
133#include "loader.h"
134#include "user-mmap.h"
135#include "user/safe-syscall.h"
136#include "qemu/guest-random.h"
137#include "qemu/selfmap.h"
138#include "user/syscall-trace.h"
139#include "special-errno.h"
140#include "qapi/error.h"
141#include "fd-trans.h"
142#include "tcg/tcg.h"
143
144#ifndef CLONE_IO
145#define CLONE_IO 0x80000000
146#endif
147
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153
154
155
156
157
158
159#define CLONE_THREAD_FLAGS \
160 (CLONE_VM | CLONE_FS | CLONE_FILES | \
161 CLONE_SIGHAND | CLONE_THREAD | CLONE_SYSVSEM)
162
163
164
165
166
167#define CLONE_IGNORED_FLAGS \
168 (CLONE_DETACHED | CLONE_IO)
169
170
171#define CLONE_OPTIONAL_FORK_FLAGS \
172 (CLONE_SETTLS | CLONE_PARENT_SETTID | \
173 CLONE_CHILD_CLEARTID | CLONE_CHILD_SETTID)
174
175
176#define CLONE_OPTIONAL_THREAD_FLAGS \
177 (CLONE_SETTLS | CLONE_PARENT_SETTID | \
178 CLONE_CHILD_CLEARTID | CLONE_CHILD_SETTID | CLONE_PARENT)
179
180#define CLONE_INVALID_FORK_FLAGS \
181 (~(CSIGNAL | CLONE_OPTIONAL_FORK_FLAGS | CLONE_IGNORED_FLAGS))
182
183#define CLONE_INVALID_THREAD_FLAGS \
184 (~(CSIGNAL | CLONE_THREAD_FLAGS | CLONE_OPTIONAL_THREAD_FLAGS | \
185 CLONE_IGNORED_FLAGS))
186
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199
200
201#define VFAT_IOCTL_READDIR_BOTH \
202 _IOC(_IOC_READ, 'r', 1, (sizeof(struct linux_dirent) + 256) * 2)
203#define VFAT_IOCTL_READDIR_SHORT \
204 _IOC(_IOC_READ, 'r', 2, (sizeof(struct linux_dirent) + 256) * 2)
205
206#undef _syscall0
207#undef _syscall1
208#undef _syscall2
209#undef _syscall3
210#undef _syscall4
211#undef _syscall5
212#undef _syscall6
213
214#define _syscall0(type,name) \
215static type name (void) \
216{ \
217 return syscall(__NR_##name); \
218}
219
220#define _syscall1(type,name,type1,arg1) \
221static type name (type1 arg1) \
222{ \
223 return syscall(__NR_##name, arg1); \
224}
225
226#define _syscall2(type,name,type1,arg1,type2,arg2) \
227static type name (type1 arg1,type2 arg2) \
228{ \
229 return syscall(__NR_##name, arg1, arg2); \
230}
231
232#define _syscall3(type,name,type1,arg1,type2,arg2,type3,arg3) \
233static type name (type1 arg1,type2 arg2,type3 arg3) \
234{ \
235 return syscall(__NR_##name, arg1, arg2, arg3); \
236}
237
238#define _syscall4(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4) \
239static type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4) \
240{ \
241 return syscall(__NR_##name, arg1, arg2, arg3, arg4); \
242}
243
244#define _syscall5(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4, \
245 type5,arg5) \
246static type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4,type5 arg5) \
247{ \
248 return syscall(__NR_##name, arg1, arg2, arg3, arg4, arg5); \
249}
250
251
252#define _syscall6(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4, \
253 type5,arg5,type6,arg6) \
254static type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4,type5 arg5, \
255 type6 arg6) \
256{ \
257 return syscall(__NR_##name, arg1, arg2, arg3, arg4, arg5, arg6); \
258}
259
260
261#define __NR_sys_uname __NR_uname
262#define __NR_sys_getcwd1 __NR_getcwd
263#define __NR_sys_getdents __NR_getdents
264#define __NR_sys_getdents64 __NR_getdents64
265#define __NR_sys_getpriority __NR_getpriority
266#define __NR_sys_rt_sigqueueinfo __NR_rt_sigqueueinfo
267#define __NR_sys_rt_tgsigqueueinfo __NR_rt_tgsigqueueinfo
268#define __NR_sys_syslog __NR_syslog
269#if defined(__NR_futex)
270# define __NR_sys_futex __NR_futex
271#endif
272#if defined(__NR_futex_time64)
273# define __NR_sys_futex_time64 __NR_futex_time64
274#endif
275#define __NR_sys_statx __NR_statx
276
277#if defined(__alpha__) || defined(__x86_64__) || defined(__s390x__)
278#define __NR__llseek __NR_lseek
279#endif
280
281
282#if defined(TARGET_NR_llseek) && !defined(TARGET_NR__llseek)
283#define TARGET_NR__llseek TARGET_NR_llseek
284#endif
285
286
287#ifndef TARGET_O_NONBLOCK_MASK
288#define TARGET_O_NONBLOCK_MASK TARGET_O_NONBLOCK
289#endif
290
291#define __NR_sys_gettid __NR_gettid
292_syscall0(int, sys_gettid)
293
294
295
296
297
298
299
300#if defined(__NR_getdents) && HOST_LONG_BITS >= TARGET_ABI_BITS
301#define EMULATE_GETDENTS_WITH_GETDENTS
302#endif
303
304#if defined(TARGET_NR_getdents) && defined(EMULATE_GETDENTS_WITH_GETDENTS)
305_syscall3(int, sys_getdents, uint, fd, struct linux_dirent *, dirp, uint, count);
306#endif
307#if (defined(TARGET_NR_getdents) && \
308 !defined(EMULATE_GETDENTS_WITH_GETDENTS)) || \
309 (defined(TARGET_NR_getdents64) && defined(__NR_getdents64))
310_syscall3(int, sys_getdents64, uint, fd, struct linux_dirent64 *, dirp, uint, count);
311#endif
312#if defined(TARGET_NR__llseek) && defined(__NR_llseek)
313_syscall5(int, _llseek, uint, fd, ulong, hi, ulong, lo,
314 loff_t *, res, uint, wh);
315#endif
316_syscall3(int, sys_rt_sigqueueinfo, pid_t, pid, int, sig, siginfo_t *, uinfo)
317_syscall4(int, sys_rt_tgsigqueueinfo, pid_t, pid, pid_t, tid, int, sig,
318 siginfo_t *, uinfo)
319_syscall3(int,sys_syslog,int,type,char*,bufp,int,len)
320#ifdef __NR_exit_group
321_syscall1(int,exit_group,int,error_code)
322#endif
323#if defined(TARGET_NR_set_tid_address) && defined(__NR_set_tid_address)
324_syscall1(int,set_tid_address,int *,tidptr)
325#endif
326#if defined(__NR_futex)
327_syscall6(int,sys_futex,int *,uaddr,int,op,int,val,
328 const struct timespec *,timeout,int *,uaddr2,int,val3)
329#endif
330#if defined(__NR_futex_time64)
331_syscall6(int,sys_futex_time64,int *,uaddr,int,op,int,val,
332 const struct timespec *,timeout,int *,uaddr2,int,val3)
333#endif
334#define __NR_sys_sched_getaffinity __NR_sched_getaffinity
335_syscall3(int, sys_sched_getaffinity, pid_t, pid, unsigned int, len,
336 unsigned long *, user_mask_ptr);
337#define __NR_sys_sched_setaffinity __NR_sched_setaffinity
338_syscall3(int, sys_sched_setaffinity, pid_t, pid, unsigned int, len,
339 unsigned long *, user_mask_ptr);
340
341struct sched_attr {
342 uint32_t size;
343 uint32_t sched_policy;
344 uint64_t sched_flags;
345 int32_t sched_nice;
346 uint32_t sched_priority;
347 uint64_t sched_runtime;
348 uint64_t sched_deadline;
349 uint64_t sched_period;
350 uint32_t sched_util_min;
351 uint32_t sched_util_max;
352};
353#define __NR_sys_sched_getattr __NR_sched_getattr
354_syscall4(int, sys_sched_getattr, pid_t, pid, struct sched_attr *, attr,
355 unsigned int, size, unsigned int, flags);
356#define __NR_sys_sched_setattr __NR_sched_setattr
357_syscall3(int, sys_sched_setattr, pid_t, pid, struct sched_attr *, attr,
358 unsigned int, flags);
359#define __NR_sys_sched_getscheduler __NR_sched_getscheduler
360_syscall1(int, sys_sched_getscheduler, pid_t, pid);
361#define __NR_sys_sched_setscheduler __NR_sched_setscheduler
362_syscall3(int, sys_sched_setscheduler, pid_t, pid, int, policy,
363 const struct sched_param *, param);
364#define __NR_sys_sched_getparam __NR_sched_getparam
365_syscall2(int, sys_sched_getparam, pid_t, pid,
366 struct sched_param *, param);
367#define __NR_sys_sched_setparam __NR_sched_setparam
368_syscall2(int, sys_sched_setparam, pid_t, pid,
369 const struct sched_param *, param);
370#define __NR_sys_getcpu __NR_getcpu
371_syscall3(int, sys_getcpu, unsigned *, cpu, unsigned *, node, void *, tcache);
372_syscall4(int, reboot, int, magic1, int, magic2, unsigned int, cmd,
373 void *, arg);
374_syscall2(int, capget, struct __user_cap_header_struct *, header,
375 struct __user_cap_data_struct *, data);
376_syscall2(int, capset, struct __user_cap_header_struct *, header,
377 struct __user_cap_data_struct *, data);
378#if defined(TARGET_NR_ioprio_get) && defined(__NR_ioprio_get)
379_syscall2(int, ioprio_get, int, which, int, who)
380#endif
381#if defined(TARGET_NR_ioprio_set) && defined(__NR_ioprio_set)
382_syscall3(int, ioprio_set, int, which, int, who, int, ioprio)
383#endif
384#if defined(TARGET_NR_getrandom) && defined(__NR_getrandom)
385_syscall3(int, getrandom, void *, buf, size_t, buflen, unsigned int, flags)
386#endif
387
388#if defined(TARGET_NR_kcmp) && defined(__NR_kcmp)
389_syscall5(int, kcmp, pid_t, pid1, pid_t, pid2, int, type,
390 unsigned long, idx1, unsigned long, idx2)
391#endif
392
393
394
395
396#if defined(TARGET_NR_statx) && defined(__NR_statx)
397_syscall5(int, sys_statx, int, dirfd, const char *, pathname, int, flags,
398 unsigned int, mask, struct target_statx *, statxbuf)
399#endif
400#if defined(TARGET_NR_membarrier) && defined(__NR_membarrier)
401_syscall2(int, membarrier, int, cmd, int, flags)
402#endif
403
404static const bitmask_transtbl fcntl_flags_tbl[] = {
405 { TARGET_O_ACCMODE, TARGET_O_WRONLY, O_ACCMODE, O_WRONLY, },
406 { TARGET_O_ACCMODE, TARGET_O_RDWR, O_ACCMODE, O_RDWR, },
407 { TARGET_O_CREAT, TARGET_O_CREAT, O_CREAT, O_CREAT, },
408 { TARGET_O_EXCL, TARGET_O_EXCL, O_EXCL, O_EXCL, },
409 { TARGET_O_NOCTTY, TARGET_O_NOCTTY, O_NOCTTY, O_NOCTTY, },
410 { TARGET_O_TRUNC, TARGET_O_TRUNC, O_TRUNC, O_TRUNC, },
411 { TARGET_O_APPEND, TARGET_O_APPEND, O_APPEND, O_APPEND, },
412 { TARGET_O_NONBLOCK, TARGET_O_NONBLOCK, O_NONBLOCK, O_NONBLOCK, },
413 { TARGET_O_SYNC, TARGET_O_DSYNC, O_SYNC, O_DSYNC, },
414 { TARGET_O_SYNC, TARGET_O_SYNC, O_SYNC, O_SYNC, },
415 { TARGET_FASYNC, TARGET_FASYNC, FASYNC, FASYNC, },
416 { TARGET_O_DIRECTORY, TARGET_O_DIRECTORY, O_DIRECTORY, O_DIRECTORY, },
417 { TARGET_O_NOFOLLOW, TARGET_O_NOFOLLOW, O_NOFOLLOW, O_NOFOLLOW, },
418#if defined(O_DIRECT)
419 { TARGET_O_DIRECT, TARGET_O_DIRECT, O_DIRECT, O_DIRECT, },
420#endif
421#if defined(O_NOATIME)
422 { TARGET_O_NOATIME, TARGET_O_NOATIME, O_NOATIME, O_NOATIME },
423#endif
424#if defined(O_CLOEXEC)
425 { TARGET_O_CLOEXEC, TARGET_O_CLOEXEC, O_CLOEXEC, O_CLOEXEC },
426#endif
427#if defined(O_PATH)
428 { TARGET_O_PATH, TARGET_O_PATH, O_PATH, O_PATH },
429#endif
430#if defined(O_TMPFILE)
431 { TARGET_O_TMPFILE, TARGET_O_TMPFILE, O_TMPFILE, O_TMPFILE },
432#endif
433
434#if TARGET_O_LARGEFILE != 0 || O_LARGEFILE != 0
435 { TARGET_O_LARGEFILE, TARGET_O_LARGEFILE, O_LARGEFILE, O_LARGEFILE, },
436#endif
437 { 0, 0, 0, 0 }
438};
439
440_syscall2(int, sys_getcwd1, char *, buf, size_t, size)
441
442#if defined(TARGET_NR_utimensat) || defined(TARGET_NR_utimensat_time64)
443#if defined(__NR_utimensat)
444#define __NR_sys_utimensat __NR_utimensat
445_syscall4(int,sys_utimensat,int,dirfd,const char *,pathname,
446 const struct timespec *,tsp,int,flags)
447#else
448static int sys_utimensat(int dirfd, const char *pathname,
449 const struct timespec times[2], int flags)
450{
451 errno = ENOSYS;
452 return -1;
453}
454#endif
455#endif
456
457#ifdef TARGET_NR_renameat2
458#if defined(__NR_renameat2)
459#define __NR_sys_renameat2 __NR_renameat2
460_syscall5(int, sys_renameat2, int, oldfd, const char *, old, int, newfd,
461 const char *, new, unsigned int, flags)
462#else
463static int sys_renameat2(int oldfd, const char *old,
464 int newfd, const char *new, int flags)
465{
466 if (flags == 0) {
467 return renameat(oldfd, old, newfd, new);
468 }
469 errno = ENOSYS;
470 return -1;
471}
472#endif
473#endif
474
475#ifdef CONFIG_INOTIFY
476#include <sys/inotify.h>
477#else
478
479#undef TARGET_NR_inotify_init
480#undef TARGET_NR_inotify_init1
481#undef TARGET_NR_inotify_add_watch
482#undef TARGET_NR_inotify_rm_watch
483#endif
484
485#if defined(TARGET_NR_prlimit64)
486#ifndef __NR_prlimit64
487# define __NR_prlimit64 -1
488#endif
489#define __NR_sys_prlimit64 __NR_prlimit64
490
491struct host_rlimit64 {
492 uint64_t rlim_cur;
493 uint64_t rlim_max;
494};
495_syscall4(int, sys_prlimit64, pid_t, pid, int, resource,
496 const struct host_rlimit64 *, new_limit,
497 struct host_rlimit64 *, old_limit)
498#endif
499
500
501#if defined(TARGET_NR_timer_create)
502
503static timer_t g_posix_timers[32] = { 0, } ;
504
505static inline int next_free_host_timer(void)
506{
507 int k ;
508
509 for (k = 0; k < ARRAY_SIZE(g_posix_timers); k++) {
510 if (g_posix_timers[k] == 0) {
511 g_posix_timers[k] = (timer_t) 1;
512 return k;
513 }
514 }
515 return -1;
516}
517#endif
518
519static inline int host_to_target_errno(int host_errno)
520{
521 switch (host_errno) {
522#define E(X) case X: return TARGET_##X;
523#include "errnos.c.inc"
524#undef E
525 default:
526 return host_errno;
527 }
528}
529
530static inline int target_to_host_errno(int target_errno)
531{
532 switch (target_errno) {
533#define E(X) case TARGET_##X: return X;
534#include "errnos.c.inc"
535#undef E
536 default:
537 return target_errno;
538 }
539}
540
541static inline abi_long get_errno(abi_long ret)
542{
543 if (ret == -1)
544 return -host_to_target_errno(errno);
545 else
546 return ret;
547}
548
549const char *target_strerror(int err)
550{
551 if (err == QEMU_ERESTARTSYS) {
552 return "To be restarted";
553 }
554 if (err == QEMU_ESIGRETURN) {
555 return "Successful exit from sigreturn";
556 }
557
558 return strerror(target_to_host_errno(err));
559}
560
561static int check_zeroed_user(abi_long addr, size_t ksize, size_t usize)
562{
563 int i;
564 uint8_t b;
565 if (usize <= ksize) {
566 return 1;
567 }
568 for (i = ksize; i < usize; i++) {
569 if (get_user_u8(b, addr + i)) {
570 return -TARGET_EFAULT;
571 }
572 if (b != 0) {
573 return 0;
574 }
575 }
576 return 1;
577}
578
579#define safe_syscall0(type, name) \
580static type safe_##name(void) \
581{ \
582 return safe_syscall(__NR_##name); \
583}
584
585#define safe_syscall1(type, name, type1, arg1) \
586static type safe_##name(type1 arg1) \
587{ \
588 return safe_syscall(__NR_##name, arg1); \
589}
590
591#define safe_syscall2(type, name, type1, arg1, type2, arg2) \
592static type safe_##name(type1 arg1, type2 arg2) \
593{ \
594 return safe_syscall(__NR_##name, arg1, arg2); \
595}
596
597#define safe_syscall3(type, name, type1, arg1, type2, arg2, type3, arg3) \
598static type safe_##name(type1 arg1, type2 arg2, type3 arg3) \
599{ \
600 return safe_syscall(__NR_##name, arg1, arg2, arg3); \
601}
602
603#define safe_syscall4(type, name, type1, arg1, type2, arg2, type3, arg3, \
604 type4, arg4) \
605static type safe_##name(type1 arg1, type2 arg2, type3 arg3, type4 arg4) \
606{ \
607 return safe_syscall(__NR_##name, arg1, arg2, arg3, arg4); \
608}
609
610#define safe_syscall5(type, name, type1, arg1, type2, arg2, type3, arg3, \
611 type4, arg4, type5, arg5) \
612static type safe_##name(type1 arg1, type2 arg2, type3 arg3, type4 arg4, \
613 type5 arg5) \
614{ \
615 return safe_syscall(__NR_##name, arg1, arg2, arg3, arg4, arg5); \
616}
617
618#define safe_syscall6(type, name, type1, arg1, type2, arg2, type3, arg3, \
619 type4, arg4, type5, arg5, type6, arg6) \
620static type safe_##name(type1 arg1, type2 arg2, type3 arg3, type4 arg4, \
621 type5 arg5, type6 arg6) \
622{ \
623 return safe_syscall(__NR_##name, arg1, arg2, arg3, arg4, arg5, arg6); \
624}
625
626safe_syscall3(ssize_t, read, int, fd, void *, buff, size_t, count)
627safe_syscall3(ssize_t, write, int, fd, const void *, buff, size_t, count)
628safe_syscall4(int, openat, int, dirfd, const char *, pathname, \
629 int, flags, mode_t, mode)
630#if defined(TARGET_NR_wait4) || defined(TARGET_NR_waitpid)
631safe_syscall4(pid_t, wait4, pid_t, pid, int *, status, int, options, \
632 struct rusage *, rusage)
633#endif
634safe_syscall5(int, waitid, idtype_t, idtype, id_t, id, siginfo_t *, infop, \
635 int, options, struct rusage *, rusage)
636safe_syscall3(int, execve, const char *, filename, char **, argv, char **, envp)
637#if defined(TARGET_NR_select) || defined(TARGET_NR__newselect) || \
638 defined(TARGET_NR_pselect6) || defined(TARGET_NR_pselect6_time64)
639safe_syscall6(int, pselect6, int, nfds, fd_set *, readfds, fd_set *, writefds, \
640 fd_set *, exceptfds, struct timespec *, timeout, void *, sig)
641#endif
642#if defined(TARGET_NR_ppoll) || defined(TARGET_NR_ppoll_time64)
643safe_syscall5(int, ppoll, struct pollfd *, ufds, unsigned int, nfds,
644 struct timespec *, tsp, const sigset_t *, sigmask,
645 size_t, sigsetsize)
646#endif
647safe_syscall6(int, epoll_pwait, int, epfd, struct epoll_event *, events,
648 int, maxevents, int, timeout, const sigset_t *, sigmask,
649 size_t, sigsetsize)
650#if defined(__NR_futex)
651safe_syscall6(int,futex,int *,uaddr,int,op,int,val, \
652 const struct timespec *,timeout,int *,uaddr2,int,val3)
653#endif
654#if defined(__NR_futex_time64)
655safe_syscall6(int,futex_time64,int *,uaddr,int,op,int,val, \
656 const struct timespec *,timeout,int *,uaddr2,int,val3)
657#endif
658safe_syscall2(int, rt_sigsuspend, sigset_t *, newset, size_t, sigsetsize)
659safe_syscall2(int, kill, pid_t, pid, int, sig)
660safe_syscall2(int, tkill, int, tid, int, sig)
661safe_syscall3(int, tgkill, int, tgid, int, pid, int, sig)
662safe_syscall3(ssize_t, readv, int, fd, const struct iovec *, iov, int, iovcnt)
663safe_syscall3(ssize_t, writev, int, fd, const struct iovec *, iov, int, iovcnt)
664safe_syscall5(ssize_t, preadv, int, fd, const struct iovec *, iov, int, iovcnt,
665 unsigned long, pos_l, unsigned long, pos_h)
666safe_syscall5(ssize_t, pwritev, int, fd, const struct iovec *, iov, int, iovcnt,
667 unsigned long, pos_l, unsigned long, pos_h)
668safe_syscall3(int, connect, int, fd, const struct sockaddr *, addr,
669 socklen_t, addrlen)
670safe_syscall6(ssize_t, sendto, int, fd, const void *, buf, size_t, len,
671 int, flags, const struct sockaddr *, addr, socklen_t, addrlen)
672safe_syscall6(ssize_t, recvfrom, int, fd, void *, buf, size_t, len,
673 int, flags, struct sockaddr *, addr, socklen_t *, addrlen)
674safe_syscall3(ssize_t, sendmsg, int, fd, const struct msghdr *, msg, int, flags)
675safe_syscall3(ssize_t, recvmsg, int, fd, struct msghdr *, msg, int, flags)
676safe_syscall2(int, flock, int, fd, int, operation)
677#if defined(TARGET_NR_rt_sigtimedwait) || defined(TARGET_NR_rt_sigtimedwait_time64)
678safe_syscall4(int, rt_sigtimedwait, const sigset_t *, these, siginfo_t *, uinfo,
679 const struct timespec *, uts, size_t, sigsetsize)
680#endif
681safe_syscall4(int, accept4, int, fd, struct sockaddr *, addr, socklen_t *, len,
682 int, flags)
683#if defined(TARGET_NR_nanosleep)
684safe_syscall2(int, nanosleep, const struct timespec *, req,
685 struct timespec *, rem)
686#endif
687#if defined(TARGET_NR_clock_nanosleep) || \
688 defined(TARGET_NR_clock_nanosleep_time64)
689safe_syscall4(int, clock_nanosleep, const clockid_t, clock, int, flags,
690 const struct timespec *, req, struct timespec *, rem)
691#endif
692#ifdef __NR_ipc
693#ifdef __s390x__
694safe_syscall5(int, ipc, int, call, long, first, long, second, long, third,
695 void *, ptr)
696#else
697safe_syscall6(int, ipc, int, call, long, first, long, second, long, third,
698 void *, ptr, long, fifth)
699#endif
700#endif
701#ifdef __NR_msgsnd
702safe_syscall4(int, msgsnd, int, msgid, const void *, msgp, size_t, sz,
703 int, flags)
704#endif
705#ifdef __NR_msgrcv
706safe_syscall5(int, msgrcv, int, msgid, void *, msgp, size_t, sz,
707 long, msgtype, int, flags)
708#endif
709#ifdef __NR_semtimedop
710safe_syscall4(int, semtimedop, int, semid, struct sembuf *, tsops,
711 unsigned, nsops, const struct timespec *, timeout)
712#endif
713#if defined(TARGET_NR_mq_timedsend) || \
714 defined(TARGET_NR_mq_timedsend_time64)
715safe_syscall5(int, mq_timedsend, int, mqdes, const char *, msg_ptr,
716 size_t, len, unsigned, prio, const struct timespec *, timeout)
717#endif
718#if defined(TARGET_NR_mq_timedreceive) || \
719 defined(TARGET_NR_mq_timedreceive_time64)
720safe_syscall5(int, mq_timedreceive, int, mqdes, char *, msg_ptr,
721 size_t, len, unsigned *, prio, const struct timespec *, timeout)
722#endif
723#if defined(TARGET_NR_copy_file_range) && defined(__NR_copy_file_range)
724safe_syscall6(ssize_t, copy_file_range, int, infd, loff_t *, pinoff,
725 int, outfd, loff_t *, poutoff, size_t, length,
726 unsigned int, flags)
727#endif
728
729
730
731
732
733#define safe_ioctl(...) safe_syscall(__NR_ioctl, __VA_ARGS__)
734
735
736
737
738
739#ifdef __NR_fcntl64
740#define safe_fcntl(...) safe_syscall(__NR_fcntl64, __VA_ARGS__)
741#else
742#define safe_fcntl(...) safe_syscall(__NR_fcntl, __VA_ARGS__)
743#endif
744
745static inline int host_to_target_sock_type(int host_type)
746{
747 int target_type;
748
749 switch (host_type & 0xf ) {
750 case SOCK_DGRAM:
751 target_type = TARGET_SOCK_DGRAM;
752 break;
753 case SOCK_STREAM:
754 target_type = TARGET_SOCK_STREAM;
755 break;
756 default:
757 target_type = host_type & 0xf ;
758 break;
759 }
760
761#if defined(SOCK_CLOEXEC)
762 if (host_type & SOCK_CLOEXEC) {
763 target_type |= TARGET_SOCK_CLOEXEC;
764 }
765#endif
766
767#if defined(SOCK_NONBLOCK)
768 if (host_type & SOCK_NONBLOCK) {
769 target_type |= TARGET_SOCK_NONBLOCK;
770 }
771#endif
772
773 return target_type;
774}
775
776static abi_ulong target_brk;
777static abi_ulong target_original_brk;
778static abi_ulong brk_page;
779
780void target_set_brk(abi_ulong new_brk)
781{
782 target_original_brk = target_brk = HOST_PAGE_ALIGN(new_brk);
783 brk_page = HOST_PAGE_ALIGN(target_brk);
784}
785
786
787#define DEBUGF_BRK(message, args...)
788
789
790abi_long do_brk(abi_ulong new_brk)
791{
792 abi_long mapped_addr;
793 abi_ulong new_alloc_size;
794
795
796
797 DEBUGF_BRK("do_brk(" TARGET_ABI_FMT_lx ") -> ", new_brk);
798
799 if (!new_brk) {
800 DEBUGF_BRK(TARGET_ABI_FMT_lx " (!new_brk)\n", target_brk);
801 return target_brk;
802 }
803 if (new_brk < target_original_brk) {
804 DEBUGF_BRK(TARGET_ABI_FMT_lx " (new_brk < target_original_brk)\n",
805 target_brk);
806 return target_brk;
807 }
808
809
810
811 if (new_brk <= brk_page) {
812
813
814 if (new_brk > target_brk) {
815 memset(g2h_untagged(target_brk), 0, new_brk - target_brk);
816 }
817 target_brk = new_brk;
818 DEBUGF_BRK(TARGET_ABI_FMT_lx " (new_brk <= brk_page)\n", target_brk);
819 return target_brk;
820 }
821
822
823
824
825
826
827
828 new_alloc_size = HOST_PAGE_ALIGN(new_brk - brk_page);
829 mapped_addr = get_errno(target_mmap(brk_page, new_alloc_size,
830 PROT_READ|PROT_WRITE,
831 MAP_ANON|MAP_PRIVATE, 0, 0));
832
833 if (mapped_addr == brk_page) {
834
835
836
837
838
839
840
841 memset(g2h_untagged(target_brk), 0, brk_page - target_brk);
842
843 target_brk = new_brk;
844 brk_page = HOST_PAGE_ALIGN(target_brk);
845 DEBUGF_BRK(TARGET_ABI_FMT_lx " (mapped_addr == brk_page)\n",
846 target_brk);
847 return target_brk;
848 } else if (mapped_addr != -1) {
849
850
851
852 target_munmap(mapped_addr, new_alloc_size);
853 mapped_addr = -1;
854 DEBUGF_BRK(TARGET_ABI_FMT_lx " (mapped_addr != -1)\n", target_brk);
855 }
856 else {
857 DEBUGF_BRK(TARGET_ABI_FMT_lx " (otherwise)\n", target_brk);
858 }
859
860#if defined(TARGET_ALPHA)
861
862
863 return -TARGET_ENOMEM;
864#endif
865
866 return target_brk;
867}
868
869#if defined(TARGET_NR_select) || defined(TARGET_NR__newselect) || \
870 defined(TARGET_NR_pselect6) || defined(TARGET_NR_pselect6_time64)
871static inline abi_long copy_from_user_fdset(fd_set *fds,
872 abi_ulong target_fds_addr,
873 int n)
874{
875 int i, nw, j, k;
876 abi_ulong b, *target_fds;
877
878 nw = DIV_ROUND_UP(n, TARGET_ABI_BITS);
879 if (!(target_fds = lock_user(VERIFY_READ,
880 target_fds_addr,
881 sizeof(abi_ulong) * nw,
882 1)))
883 return -TARGET_EFAULT;
884
885 FD_ZERO(fds);
886 k = 0;
887 for (i = 0; i < nw; i++) {
888
889 __get_user(b, &target_fds[i]);
890 for (j = 0; j < TARGET_ABI_BITS; j++) {
891
892 if ((b >> j) & 1)
893 FD_SET(k, fds);
894 k++;
895 }
896 }
897
898 unlock_user(target_fds, target_fds_addr, 0);
899
900 return 0;
901}
902
903static inline abi_ulong copy_from_user_fdset_ptr(fd_set *fds, fd_set **fds_ptr,
904 abi_ulong target_fds_addr,
905 int n)
906{
907 if (target_fds_addr) {
908 if (copy_from_user_fdset(fds, target_fds_addr, n))
909 return -TARGET_EFAULT;
910 *fds_ptr = fds;
911 } else {
912 *fds_ptr = NULL;
913 }
914 return 0;
915}
916
917static inline abi_long copy_to_user_fdset(abi_ulong target_fds_addr,
918 const fd_set *fds,
919 int n)
920{
921 int i, nw, j, k;
922 abi_long v;
923 abi_ulong *target_fds;
924
925 nw = DIV_ROUND_UP(n, TARGET_ABI_BITS);
926 if (!(target_fds = lock_user(VERIFY_WRITE,
927 target_fds_addr,
928 sizeof(abi_ulong) * nw,
929 0)))
930 return -TARGET_EFAULT;
931
932 k = 0;
933 for (i = 0; i < nw; i++) {
934 v = 0;
935 for (j = 0; j < TARGET_ABI_BITS; j++) {
936 v |= ((abi_ulong)(FD_ISSET(k, fds) != 0) << j);
937 k++;
938 }
939 __put_user(v, &target_fds[i]);
940 }
941
942 unlock_user(target_fds, target_fds_addr, sizeof(abi_ulong) * nw);
943
944 return 0;
945}
946#endif
947
948#if defined(__alpha__)
949#define HOST_HZ 1024
950#else
951#define HOST_HZ 100
952#endif
953
954static inline abi_long host_to_target_clock_t(long ticks)
955{
956#if HOST_HZ == TARGET_HZ
957 return ticks;
958#else
959 return ((int64_t)ticks * TARGET_HZ) / HOST_HZ;
960#endif
961}
962
963static inline abi_long host_to_target_rusage(abi_ulong target_addr,
964 const struct rusage *rusage)
965{
966 struct target_rusage *target_rusage;
967
968 if (!lock_user_struct(VERIFY_WRITE, target_rusage, target_addr, 0))
969 return -TARGET_EFAULT;
970 target_rusage->ru_utime.tv_sec = tswapal(rusage->ru_utime.tv_sec);
971 target_rusage->ru_utime.tv_usec = tswapal(rusage->ru_utime.tv_usec);
972 target_rusage->ru_stime.tv_sec = tswapal(rusage->ru_stime.tv_sec);
973 target_rusage->ru_stime.tv_usec = tswapal(rusage->ru_stime.tv_usec);
974 target_rusage->ru_maxrss = tswapal(rusage->ru_maxrss);
975 target_rusage->ru_ixrss = tswapal(rusage->ru_ixrss);
976 target_rusage->ru_idrss = tswapal(rusage->ru_idrss);
977 target_rusage->ru_isrss = tswapal(rusage->ru_isrss);
978 target_rusage->ru_minflt = tswapal(rusage->ru_minflt);
979 target_rusage->ru_majflt = tswapal(rusage->ru_majflt);
980 target_rusage->ru_nswap = tswapal(rusage->ru_nswap);
981 target_rusage->ru_inblock = tswapal(rusage->ru_inblock);
982 target_rusage->ru_oublock = tswapal(rusage->ru_oublock);
983 target_rusage->ru_msgsnd = tswapal(rusage->ru_msgsnd);
984 target_rusage->ru_msgrcv = tswapal(rusage->ru_msgrcv);
985 target_rusage->ru_nsignals = tswapal(rusage->ru_nsignals);
986 target_rusage->ru_nvcsw = tswapal(rusage->ru_nvcsw);
987 target_rusage->ru_nivcsw = tswapal(rusage->ru_nivcsw);
988 unlock_user_struct(target_rusage, target_addr, 1);
989
990 return 0;
991}
992
993#ifdef TARGET_NR_setrlimit
994static inline rlim_t target_to_host_rlim(abi_ulong target_rlim)
995{
996 abi_ulong target_rlim_swap;
997 rlim_t result;
998
999 target_rlim_swap = tswapal(target_rlim);
1000 if (target_rlim_swap == TARGET_RLIM_INFINITY)
1001 return RLIM_INFINITY;
1002
1003 result = target_rlim_swap;
1004 if (target_rlim_swap != (rlim_t)result)
1005 return RLIM_INFINITY;
1006
1007 return result;
1008}
1009#endif
1010
1011#if defined(TARGET_NR_getrlimit) || defined(TARGET_NR_ugetrlimit)
1012static inline abi_ulong host_to_target_rlim(rlim_t rlim)
1013{
1014 abi_ulong target_rlim_swap;
1015 abi_ulong result;
1016
1017 if (rlim == RLIM_INFINITY || rlim != (abi_long)rlim)
1018 target_rlim_swap = TARGET_RLIM_INFINITY;
1019 else
1020 target_rlim_swap = rlim;
1021 result = tswapal(target_rlim_swap);
1022
1023 return result;
1024}
1025#endif
1026
1027static inline int target_to_host_resource(int code)
1028{
1029 switch (code) {
1030 case TARGET_RLIMIT_AS:
1031 return RLIMIT_AS;
1032 case TARGET_RLIMIT_CORE:
1033 return RLIMIT_CORE;
1034 case TARGET_RLIMIT_CPU:
1035 return RLIMIT_CPU;
1036 case TARGET_RLIMIT_DATA:
1037 return RLIMIT_DATA;
1038 case TARGET_RLIMIT_FSIZE:
1039 return RLIMIT_FSIZE;
1040 case TARGET_RLIMIT_LOCKS:
1041 return RLIMIT_LOCKS;
1042 case TARGET_RLIMIT_MEMLOCK:
1043 return RLIMIT_MEMLOCK;
1044 case TARGET_RLIMIT_MSGQUEUE:
1045 return RLIMIT_MSGQUEUE;
1046 case TARGET_RLIMIT_NICE:
1047 return RLIMIT_NICE;
1048 case TARGET_RLIMIT_NOFILE:
1049 return RLIMIT_NOFILE;
1050 case TARGET_RLIMIT_NPROC:
1051 return RLIMIT_NPROC;
1052 case TARGET_RLIMIT_RSS:
1053 return RLIMIT_RSS;
1054 case TARGET_RLIMIT_RTPRIO:
1055 return RLIMIT_RTPRIO;
1056 case TARGET_RLIMIT_RTTIME:
1057 return RLIMIT_RTTIME;
1058 case TARGET_RLIMIT_SIGPENDING:
1059 return RLIMIT_SIGPENDING;
1060 case TARGET_RLIMIT_STACK:
1061 return RLIMIT_STACK;
1062 default:
1063 return code;
1064 }
1065}
1066
1067static inline abi_long copy_from_user_timeval(struct timeval *tv,
1068 abi_ulong target_tv_addr)
1069{
1070 struct target_timeval *target_tv;
1071
1072 if (!lock_user_struct(VERIFY_READ, target_tv, target_tv_addr, 1)) {
1073 return -TARGET_EFAULT;
1074 }
1075
1076 __get_user(tv->tv_sec, &target_tv->tv_sec);
1077 __get_user(tv->tv_usec, &target_tv->tv_usec);
1078
1079 unlock_user_struct(target_tv, target_tv_addr, 0);
1080
1081 return 0;
1082}
1083
1084static inline abi_long copy_to_user_timeval(abi_ulong target_tv_addr,
1085 const struct timeval *tv)
1086{
1087 struct target_timeval *target_tv;
1088
1089 if (!lock_user_struct(VERIFY_WRITE, target_tv, target_tv_addr, 0)) {
1090 return -TARGET_EFAULT;
1091 }
1092
1093 __put_user(tv->tv_sec, &target_tv->tv_sec);
1094 __put_user(tv->tv_usec, &target_tv->tv_usec);
1095
1096 unlock_user_struct(target_tv, target_tv_addr, 1);
1097
1098 return 0;
1099}
1100
1101#if defined(TARGET_NR_clock_adjtime64) && defined(CONFIG_CLOCK_ADJTIME)
1102static inline abi_long copy_from_user_timeval64(struct timeval *tv,
1103 abi_ulong target_tv_addr)
1104{
1105 struct target__kernel_sock_timeval *target_tv;
1106
1107 if (!lock_user_struct(VERIFY_READ, target_tv, target_tv_addr, 1)) {
1108 return -TARGET_EFAULT;
1109 }
1110
1111 __get_user(tv->tv_sec, &target_tv->tv_sec);
1112 __get_user(tv->tv_usec, &target_tv->tv_usec);
1113
1114 unlock_user_struct(target_tv, target_tv_addr, 0);
1115
1116 return 0;
1117}
1118#endif
1119
1120static inline abi_long copy_to_user_timeval64(abi_ulong target_tv_addr,
1121 const struct timeval *tv)
1122{
1123 struct target__kernel_sock_timeval *target_tv;
1124
1125 if (!lock_user_struct(VERIFY_WRITE, target_tv, target_tv_addr, 0)) {
1126 return -TARGET_EFAULT;
1127 }
1128
1129 __put_user(tv->tv_sec, &target_tv->tv_sec);
1130 __put_user(tv->tv_usec, &target_tv->tv_usec);
1131
1132 unlock_user_struct(target_tv, target_tv_addr, 1);
1133
1134 return 0;
1135}
1136
1137#if defined(TARGET_NR_futex) || \
1138 defined(TARGET_NR_rt_sigtimedwait) || \
1139 defined(TARGET_NR_pselect6) || defined(TARGET_NR_pselect6) || \
1140 defined(TARGET_NR_nanosleep) || defined(TARGET_NR_clock_settime) || \
1141 defined(TARGET_NR_utimensat) || defined(TARGET_NR_mq_timedsend) || \
1142 defined(TARGET_NR_mq_timedreceive) || defined(TARGET_NR_ipc) || \
1143 defined(TARGET_NR_semop) || defined(TARGET_NR_semtimedop) || \
1144 defined(TARGET_NR_timer_settime) || \
1145 (defined(TARGET_NR_timerfd_settime) && defined(CONFIG_TIMERFD))
1146static inline abi_long target_to_host_timespec(struct timespec *host_ts,
1147 abi_ulong target_addr)
1148{
1149 struct target_timespec *target_ts;
1150
1151 if (!lock_user_struct(VERIFY_READ, target_ts, target_addr, 1)) {
1152 return -TARGET_EFAULT;
1153 }
1154 __get_user(host_ts->tv_sec, &target_ts->tv_sec);
1155 __get_user(host_ts->tv_nsec, &target_ts->tv_nsec);
1156 unlock_user_struct(target_ts, target_addr, 0);
1157 return 0;
1158}
1159#endif
1160
1161#if defined(TARGET_NR_clock_settime64) || defined(TARGET_NR_futex_time64) || \
1162 defined(TARGET_NR_timer_settime64) || \
1163 defined(TARGET_NR_mq_timedsend_time64) || \
1164 defined(TARGET_NR_mq_timedreceive_time64) || \
1165 (defined(TARGET_NR_timerfd_settime64) && defined(CONFIG_TIMERFD)) || \
1166 defined(TARGET_NR_clock_nanosleep_time64) || \
1167 defined(TARGET_NR_rt_sigtimedwait_time64) || \
1168 defined(TARGET_NR_utimensat) || \
1169 defined(TARGET_NR_utimensat_time64) || \
1170 defined(TARGET_NR_semtimedop_time64) || \
1171 defined(TARGET_NR_pselect6_time64) || defined(TARGET_NR_ppoll_time64)
1172static inline abi_long target_to_host_timespec64(struct timespec *host_ts,
1173 abi_ulong target_addr)
1174{
1175 struct target__kernel_timespec *target_ts;
1176
1177 if (!lock_user_struct(VERIFY_READ, target_ts, target_addr, 1)) {
1178 return -TARGET_EFAULT;
1179 }
1180 __get_user(host_ts->tv_sec, &target_ts->tv_sec);
1181 __get_user(host_ts->tv_nsec, &target_ts->tv_nsec);
1182
1183 host_ts->tv_nsec = (long)(abi_long)host_ts->tv_nsec;
1184 unlock_user_struct(target_ts, target_addr, 0);
1185 return 0;
1186}
1187#endif
1188
1189static inline abi_long host_to_target_timespec(abi_ulong target_addr,
1190 struct timespec *host_ts)
1191{
1192 struct target_timespec *target_ts;
1193
1194 if (!lock_user_struct(VERIFY_WRITE, target_ts, target_addr, 0)) {
1195 return -TARGET_EFAULT;
1196 }
1197 __put_user(host_ts->tv_sec, &target_ts->tv_sec);
1198 __put_user(host_ts->tv_nsec, &target_ts->tv_nsec);
1199 unlock_user_struct(target_ts, target_addr, 1);
1200 return 0;
1201}
1202
1203static inline abi_long host_to_target_timespec64(abi_ulong target_addr,
1204 struct timespec *host_ts)
1205{
1206 struct target__kernel_timespec *target_ts;
1207
1208 if (!lock_user_struct(VERIFY_WRITE, target_ts, target_addr, 0)) {
1209 return -TARGET_EFAULT;
1210 }
1211 __put_user(host_ts->tv_sec, &target_ts->tv_sec);
1212 __put_user(host_ts->tv_nsec, &target_ts->tv_nsec);
1213 unlock_user_struct(target_ts, target_addr, 1);
1214 return 0;
1215}
1216
1217#if defined(TARGET_NR_gettimeofday)
1218static inline abi_long copy_to_user_timezone(abi_ulong target_tz_addr,
1219 struct timezone *tz)
1220{
1221 struct target_timezone *target_tz;
1222
1223 if (!lock_user_struct(VERIFY_WRITE, target_tz, target_tz_addr, 1)) {
1224 return -TARGET_EFAULT;
1225 }
1226
1227 __put_user(tz->tz_minuteswest, &target_tz->tz_minuteswest);
1228 __put_user(tz->tz_dsttime, &target_tz->tz_dsttime);
1229
1230 unlock_user_struct(target_tz, target_tz_addr, 1);
1231
1232 return 0;
1233}
1234#endif
1235
1236#if defined(TARGET_NR_settimeofday)
1237static inline abi_long copy_from_user_timezone(struct timezone *tz,
1238 abi_ulong target_tz_addr)
1239{
1240 struct target_timezone *target_tz;
1241
1242 if (!lock_user_struct(VERIFY_READ, target_tz, target_tz_addr, 1)) {
1243 return -TARGET_EFAULT;
1244 }
1245
1246 __get_user(tz->tz_minuteswest, &target_tz->tz_minuteswest);
1247 __get_user(tz->tz_dsttime, &target_tz->tz_dsttime);
1248
1249 unlock_user_struct(target_tz, target_tz_addr, 0);
1250
1251 return 0;
1252}
1253#endif
1254
1255#if defined(TARGET_NR_mq_open) && defined(__NR_mq_open)
1256#include <mqueue.h>
1257
1258static inline abi_long copy_from_user_mq_attr(struct mq_attr *attr,
1259 abi_ulong target_mq_attr_addr)
1260{
1261 struct target_mq_attr *target_mq_attr;
1262
1263 if (!lock_user_struct(VERIFY_READ, target_mq_attr,
1264 target_mq_attr_addr, 1))
1265 return -TARGET_EFAULT;
1266
1267 __get_user(attr->mq_flags, &target_mq_attr->mq_flags);
1268 __get_user(attr->mq_maxmsg, &target_mq_attr->mq_maxmsg);
1269 __get_user(attr->mq_msgsize, &target_mq_attr->mq_msgsize);
1270 __get_user(attr->mq_curmsgs, &target_mq_attr->mq_curmsgs);
1271
1272 unlock_user_struct(target_mq_attr, target_mq_attr_addr, 0);
1273
1274 return 0;
1275}
1276
1277static inline abi_long copy_to_user_mq_attr(abi_ulong target_mq_attr_addr,
1278 const struct mq_attr *attr)
1279{
1280 struct target_mq_attr *target_mq_attr;
1281
1282 if (!lock_user_struct(VERIFY_WRITE, target_mq_attr,
1283 target_mq_attr_addr, 0))
1284 return -TARGET_EFAULT;
1285
1286 __put_user(attr->mq_flags, &target_mq_attr->mq_flags);
1287 __put_user(attr->mq_maxmsg, &target_mq_attr->mq_maxmsg);
1288 __put_user(attr->mq_msgsize, &target_mq_attr->mq_msgsize);
1289 __put_user(attr->mq_curmsgs, &target_mq_attr->mq_curmsgs);
1290
1291 unlock_user_struct(target_mq_attr, target_mq_attr_addr, 1);
1292
1293 return 0;
1294}
1295#endif
1296
1297#if defined(TARGET_NR_select) || defined(TARGET_NR__newselect)
1298
1299static abi_long do_select(int n,
1300 abi_ulong rfd_addr, abi_ulong wfd_addr,
1301 abi_ulong efd_addr, abi_ulong target_tv_addr)
1302{
1303 fd_set rfds, wfds, efds;
1304 fd_set *rfds_ptr, *wfds_ptr, *efds_ptr;
1305 struct timeval tv;
1306 struct timespec ts, *ts_ptr;
1307 abi_long ret;
1308
1309 ret = copy_from_user_fdset_ptr(&rfds, &rfds_ptr, rfd_addr, n);
1310 if (ret) {
1311 return ret;
1312 }
1313 ret = copy_from_user_fdset_ptr(&wfds, &wfds_ptr, wfd_addr, n);
1314 if (ret) {
1315 return ret;
1316 }
1317 ret = copy_from_user_fdset_ptr(&efds, &efds_ptr, efd_addr, n);
1318 if (ret) {
1319 return ret;
1320 }
1321
1322 if (target_tv_addr) {
1323 if (copy_from_user_timeval(&tv, target_tv_addr))
1324 return -TARGET_EFAULT;
1325 ts.tv_sec = tv.tv_sec;
1326 ts.tv_nsec = tv.tv_usec * 1000;
1327 ts_ptr = &ts;
1328 } else {
1329 ts_ptr = NULL;
1330 }
1331
1332 ret = get_errno(safe_pselect6(n, rfds_ptr, wfds_ptr, efds_ptr,
1333 ts_ptr, NULL));
1334
1335 if (!is_error(ret)) {
1336 if (rfd_addr && copy_to_user_fdset(rfd_addr, &rfds, n))
1337 return -TARGET_EFAULT;
1338 if (wfd_addr && copy_to_user_fdset(wfd_addr, &wfds, n))
1339 return -TARGET_EFAULT;
1340 if (efd_addr && copy_to_user_fdset(efd_addr, &efds, n))
1341 return -TARGET_EFAULT;
1342
1343 if (target_tv_addr) {
1344 tv.tv_sec = ts.tv_sec;
1345 tv.tv_usec = ts.tv_nsec / 1000;
1346 if (copy_to_user_timeval(target_tv_addr, &tv)) {
1347 return -TARGET_EFAULT;
1348 }
1349 }
1350 }
1351
1352 return ret;
1353}
1354
1355#if defined(TARGET_WANT_OLD_SYS_SELECT)
1356static abi_long do_old_select(abi_ulong arg1)
1357{
1358 struct target_sel_arg_struct *sel;
1359 abi_ulong inp, outp, exp, tvp;
1360 long nsel;
1361
1362 if (!lock_user_struct(VERIFY_READ, sel, arg1, 1)) {
1363 return -TARGET_EFAULT;
1364 }
1365
1366 nsel = tswapal(sel->n);
1367 inp = tswapal(sel->inp);
1368 outp = tswapal(sel->outp);
1369 exp = tswapal(sel->exp);
1370 tvp = tswapal(sel->tvp);
1371
1372 unlock_user_struct(sel, arg1, 0);
1373
1374 return do_select(nsel, inp, outp, exp, tvp);
1375}
1376#endif
1377#endif
1378
1379#if defined(TARGET_NR_pselect6) || defined(TARGET_NR_pselect6_time64)
1380static abi_long do_pselect6(abi_long arg1, abi_long arg2, abi_long arg3,
1381 abi_long arg4, abi_long arg5, abi_long arg6,
1382 bool time64)
1383{
1384 abi_long rfd_addr, wfd_addr, efd_addr, n, ts_addr;
1385 fd_set rfds, wfds, efds;
1386 fd_set *rfds_ptr, *wfds_ptr, *efds_ptr;
1387 struct timespec ts, *ts_ptr;
1388 abi_long ret;
1389
1390
1391
1392
1393
1394 struct {
1395 sigset_t *set;
1396 size_t size;
1397 } sig, *sig_ptr;
1398
1399 abi_ulong arg_sigset, arg_sigsize, *arg7;
1400
1401 n = arg1;
1402 rfd_addr = arg2;
1403 wfd_addr = arg3;
1404 efd_addr = arg4;
1405 ts_addr = arg5;
1406
1407 ret = copy_from_user_fdset_ptr(&rfds, &rfds_ptr, rfd_addr, n);
1408 if (ret) {
1409 return ret;
1410 }
1411 ret = copy_from_user_fdset_ptr(&wfds, &wfds_ptr, wfd_addr, n);
1412 if (ret) {
1413 return ret;
1414 }
1415 ret = copy_from_user_fdset_ptr(&efds, &efds_ptr, efd_addr, n);
1416 if (ret) {
1417 return ret;
1418 }
1419
1420
1421
1422
1423
1424 if (ts_addr) {
1425 if (time64) {
1426 if (target_to_host_timespec64(&ts, ts_addr)) {
1427 return -TARGET_EFAULT;
1428 }
1429 } else {
1430 if (target_to_host_timespec(&ts, ts_addr)) {
1431 return -TARGET_EFAULT;
1432 }
1433 }
1434 ts_ptr = &ts;
1435 } else {
1436 ts_ptr = NULL;
1437 }
1438
1439
1440 sig_ptr = NULL;
1441 if (arg6) {
1442 arg7 = lock_user(VERIFY_READ, arg6, sizeof(*arg7) * 2, 1);
1443 if (!arg7) {
1444 return -TARGET_EFAULT;
1445 }
1446 arg_sigset = tswapal(arg7[0]);
1447 arg_sigsize = tswapal(arg7[1]);
1448 unlock_user(arg7, arg6, 0);
1449
1450 if (arg_sigset) {
1451 ret = process_sigsuspend_mask(&sig.set, arg_sigset, arg_sigsize);
1452 if (ret != 0) {
1453 return ret;
1454 }
1455 sig_ptr = &sig;
1456 sig.size = SIGSET_T_SIZE;
1457 }
1458 }
1459
1460 ret = get_errno(safe_pselect6(n, rfds_ptr, wfds_ptr, efds_ptr,
1461 ts_ptr, sig_ptr));
1462
1463 if (sig_ptr) {
1464 finish_sigsuspend_mask(ret);
1465 }
1466
1467 if (!is_error(ret)) {
1468 if (rfd_addr && copy_to_user_fdset(rfd_addr, &rfds, n)) {
1469 return -TARGET_EFAULT;
1470 }
1471 if (wfd_addr && copy_to_user_fdset(wfd_addr, &wfds, n)) {
1472 return -TARGET_EFAULT;
1473 }
1474 if (efd_addr && copy_to_user_fdset(efd_addr, &efds, n)) {
1475 return -TARGET_EFAULT;
1476 }
1477 if (time64) {
1478 if (ts_addr && host_to_target_timespec64(ts_addr, &ts)) {
1479 return -TARGET_EFAULT;
1480 }
1481 } else {
1482 if (ts_addr && host_to_target_timespec(ts_addr, &ts)) {
1483 return -TARGET_EFAULT;
1484 }
1485 }
1486 }
1487 return ret;
1488}
1489#endif
1490
1491#if defined(TARGET_NR_poll) || defined(TARGET_NR_ppoll) || \
1492 defined(TARGET_NR_ppoll_time64)
1493static abi_long do_ppoll(abi_long arg1, abi_long arg2, abi_long arg3,
1494 abi_long arg4, abi_long arg5, bool ppoll, bool time64)
1495{
1496 struct target_pollfd *target_pfd;
1497 unsigned int nfds = arg2;
1498 struct pollfd *pfd;
1499 unsigned int i;
1500 abi_long ret;
1501
1502 pfd = NULL;
1503 target_pfd = NULL;
1504 if (nfds) {
1505 if (nfds > (INT_MAX / sizeof(struct target_pollfd))) {
1506 return -TARGET_EINVAL;
1507 }
1508 target_pfd = lock_user(VERIFY_WRITE, arg1,
1509 sizeof(struct target_pollfd) * nfds, 1);
1510 if (!target_pfd) {
1511 return -TARGET_EFAULT;
1512 }
1513
1514 pfd = alloca(sizeof(struct pollfd) * nfds);
1515 for (i = 0; i < nfds; i++) {
1516 pfd[i].fd = tswap32(target_pfd[i].fd);
1517 pfd[i].events = tswap16(target_pfd[i].events);
1518 }
1519 }
1520 if (ppoll) {
1521 struct timespec _timeout_ts, *timeout_ts = &_timeout_ts;
1522 sigset_t *set = NULL;
1523
1524 if (arg3) {
1525 if (time64) {
1526 if (target_to_host_timespec64(timeout_ts, arg3)) {
1527 unlock_user(target_pfd, arg1, 0);
1528 return -TARGET_EFAULT;
1529 }
1530 } else {
1531 if (target_to_host_timespec(timeout_ts, arg3)) {
1532 unlock_user(target_pfd, arg1, 0);
1533 return -TARGET_EFAULT;
1534 }
1535 }
1536 } else {
1537 timeout_ts = NULL;
1538 }
1539
1540 if (arg4) {
1541 ret = process_sigsuspend_mask(&set, arg4, arg5);
1542 if (ret != 0) {
1543 unlock_user(target_pfd, arg1, 0);
1544 return ret;
1545 }
1546 }
1547
1548 ret = get_errno(safe_ppoll(pfd, nfds, timeout_ts,
1549 set, SIGSET_T_SIZE));
1550
1551 if (set) {
1552 finish_sigsuspend_mask(ret);
1553 }
1554 if (!is_error(ret) && arg3) {
1555 if (time64) {
1556 if (host_to_target_timespec64(arg3, timeout_ts)) {
1557 return -TARGET_EFAULT;
1558 }
1559 } else {
1560 if (host_to_target_timespec(arg3, timeout_ts)) {
1561 return -TARGET_EFAULT;
1562 }
1563 }
1564 }
1565 } else {
1566 struct timespec ts, *pts;
1567
1568 if (arg3 >= 0) {
1569
1570 ts.tv_sec = arg3 / 1000;
1571 ts.tv_nsec = (arg3 % 1000) * 1000000LL;
1572 pts = &ts;
1573 } else {
1574
1575 pts = NULL;
1576 }
1577 ret = get_errno(safe_ppoll(pfd, nfds, pts, NULL, 0));
1578 }
1579
1580 if (!is_error(ret)) {
1581 for (i = 0; i < nfds; i++) {
1582 target_pfd[i].revents = tswap16(pfd[i].revents);
1583 }
1584 }
1585 unlock_user(target_pfd, arg1, sizeof(struct target_pollfd) * nfds);
1586 return ret;
1587}
1588#endif
1589
1590static abi_long do_pipe2(int host_pipe[], int flags)
1591{
1592#ifdef CONFIG_PIPE2
1593 return pipe2(host_pipe, flags);
1594#else
1595 return -ENOSYS;
1596#endif
1597}
1598
1599static abi_long do_pipe(void *cpu_env, abi_ulong pipedes,
1600 int flags, int is_pipe2)
1601{
1602 int host_pipe[2];
1603 abi_long ret;
1604 ret = flags ? do_pipe2(host_pipe, flags) : pipe(host_pipe);
1605
1606 if (is_error(ret))
1607 return get_errno(ret);
1608
1609
1610
1611 if (!is_pipe2) {
1612#if defined(TARGET_ALPHA)
1613 ((CPUAlphaState *)cpu_env)->ir[IR_A4] = host_pipe[1];
1614 return host_pipe[0];
1615#elif defined(TARGET_MIPS)
1616 ((CPUMIPSState*)cpu_env)->active_tc.gpr[3] = host_pipe[1];
1617 return host_pipe[0];
1618#elif defined(TARGET_SH4)
1619 ((CPUSH4State*)cpu_env)->gregs[1] = host_pipe[1];
1620 return host_pipe[0];
1621#elif defined(TARGET_SPARC)
1622 ((CPUSPARCState*)cpu_env)->regwptr[1] = host_pipe[1];
1623 return host_pipe[0];
1624#endif
1625 }
1626
1627 if (put_user_s32(host_pipe[0], pipedes)
1628 || put_user_s32(host_pipe[1], pipedes + sizeof(host_pipe[0])))
1629 return -TARGET_EFAULT;
1630 return get_errno(ret);
1631}
1632
1633static inline abi_long target_to_host_ip_mreq(struct ip_mreqn *mreqn,
1634 abi_ulong target_addr,
1635 socklen_t len)
1636{
1637 struct target_ip_mreqn *target_smreqn;
1638
1639 target_smreqn = lock_user(VERIFY_READ, target_addr, len, 1);
1640 if (!target_smreqn)
1641 return -TARGET_EFAULT;
1642 mreqn->imr_multiaddr.s_addr = target_smreqn->imr_multiaddr.s_addr;
1643 mreqn->imr_address.s_addr = target_smreqn->imr_address.s_addr;
1644 if (len == sizeof(struct target_ip_mreqn))
1645 mreqn->imr_ifindex = tswapal(target_smreqn->imr_ifindex);
1646 unlock_user(target_smreqn, target_addr, 0);
1647
1648 return 0;
1649}
1650
1651static inline abi_long target_to_host_sockaddr(int fd, struct sockaddr *addr,
1652 abi_ulong target_addr,
1653 socklen_t len)
1654{
1655 const socklen_t unix_maxlen = sizeof (struct sockaddr_un);
1656 sa_family_t sa_family;
1657 struct target_sockaddr *target_saddr;
1658
1659 if (fd_trans_target_to_host_addr(fd)) {
1660 return fd_trans_target_to_host_addr(fd)(addr, target_addr, len);
1661 }
1662
1663 target_saddr = lock_user(VERIFY_READ, target_addr, len, 1);
1664 if (!target_saddr)
1665 return -TARGET_EFAULT;
1666
1667 sa_family = tswap16(target_saddr->sa_family);
1668
1669
1670
1671
1672
1673
1674
1675
1676
1677 if (sa_family == AF_UNIX) {
1678 if (len < unix_maxlen && len > 0) {
1679 char *cp = (char*)target_saddr;
1680
1681 if ( cp[len-1] && !cp[len] )
1682 len++;
1683 }
1684 if (len > unix_maxlen)
1685 len = unix_maxlen;
1686 }
1687
1688 memcpy(addr, target_saddr, len);
1689 addr->sa_family = sa_family;
1690 if (sa_family == AF_NETLINK) {
1691 struct sockaddr_nl *nladdr;
1692
1693 nladdr = (struct sockaddr_nl *)addr;
1694 nladdr->nl_pid = tswap32(nladdr->nl_pid);
1695 nladdr->nl_groups = tswap32(nladdr->nl_groups);
1696 } else if (sa_family == AF_PACKET) {
1697 struct target_sockaddr_ll *lladdr;
1698
1699 lladdr = (struct target_sockaddr_ll *)addr;
1700 lladdr->sll_ifindex = tswap32(lladdr->sll_ifindex);
1701 lladdr->sll_hatype = tswap16(lladdr->sll_hatype);
1702 }
1703 unlock_user(target_saddr, target_addr, 0);
1704
1705 return 0;
1706}
1707
1708static inline abi_long host_to_target_sockaddr(abi_ulong target_addr,
1709 struct sockaddr *addr,
1710 socklen_t len)
1711{
1712 struct target_sockaddr *target_saddr;
1713
1714 if (len == 0) {
1715 return 0;
1716 }
1717 assert(addr);
1718
1719 target_saddr = lock_user(VERIFY_WRITE, target_addr, len, 0);
1720 if (!target_saddr)
1721 return -TARGET_EFAULT;
1722 memcpy(target_saddr, addr, len);
1723 if (len >= offsetof(struct target_sockaddr, sa_family) +
1724 sizeof(target_saddr->sa_family)) {
1725 target_saddr->sa_family = tswap16(addr->sa_family);
1726 }
1727 if (addr->sa_family == AF_NETLINK &&
1728 len >= sizeof(struct target_sockaddr_nl)) {
1729 struct target_sockaddr_nl *target_nl =
1730 (struct target_sockaddr_nl *)target_saddr;
1731 target_nl->nl_pid = tswap32(target_nl->nl_pid);
1732 target_nl->nl_groups = tswap32(target_nl->nl_groups);
1733 } else if (addr->sa_family == AF_PACKET) {
1734 struct sockaddr_ll *target_ll = (struct sockaddr_ll *)target_saddr;
1735 target_ll->sll_ifindex = tswap32(target_ll->sll_ifindex);
1736 target_ll->sll_hatype = tswap16(target_ll->sll_hatype);
1737 } else if (addr->sa_family == AF_INET6 &&
1738 len >= sizeof(struct target_sockaddr_in6)) {
1739 struct target_sockaddr_in6 *target_in6 =
1740 (struct target_sockaddr_in6 *)target_saddr;
1741 target_in6->sin6_scope_id = tswap16(target_in6->sin6_scope_id);
1742 }
1743 unlock_user(target_saddr, target_addr, len);
1744
1745 return 0;
1746}
1747
1748static inline abi_long target_to_host_cmsg(struct msghdr *msgh,
1749 struct target_msghdr *target_msgh)
1750{
1751 struct cmsghdr *cmsg = CMSG_FIRSTHDR(msgh);
1752 abi_long msg_controllen;
1753 abi_ulong target_cmsg_addr;
1754 struct target_cmsghdr *target_cmsg, *target_cmsg_start;
1755 socklen_t space = 0;
1756
1757 msg_controllen = tswapal(target_msgh->msg_controllen);
1758 if (msg_controllen < sizeof (struct target_cmsghdr))
1759 goto the_end;
1760 target_cmsg_addr = tswapal(target_msgh->msg_control);
1761 target_cmsg = lock_user(VERIFY_READ, target_cmsg_addr, msg_controllen, 1);
1762 target_cmsg_start = target_cmsg;
1763 if (!target_cmsg)
1764 return -TARGET_EFAULT;
1765
1766 while (cmsg && target_cmsg) {
1767 void *data = CMSG_DATA(cmsg);
1768 void *target_data = TARGET_CMSG_DATA(target_cmsg);
1769
1770 int len = tswapal(target_cmsg->cmsg_len)
1771 - sizeof(struct target_cmsghdr);
1772
1773 space += CMSG_SPACE(len);
1774 if (space > msgh->msg_controllen) {
1775 space -= CMSG_SPACE(len);
1776
1777
1778
1779
1780
1781
1782
1783
1784
1785 qemu_log_mask(LOG_UNIMP,
1786 ("Unsupported ancillary data %d/%d: "
1787 "unhandled msg size\n"),
1788 tswap32(target_cmsg->cmsg_level),
1789 tswap32(target_cmsg->cmsg_type));
1790 break;
1791 }
1792
1793 if (tswap32(target_cmsg->cmsg_level) == TARGET_SOL_SOCKET) {
1794 cmsg->cmsg_level = SOL_SOCKET;
1795 } else {
1796 cmsg->cmsg_level = tswap32(target_cmsg->cmsg_level);
1797 }
1798 cmsg->cmsg_type = tswap32(target_cmsg->cmsg_type);
1799 cmsg->cmsg_len = CMSG_LEN(len);
1800
1801 if (cmsg->cmsg_level == SOL_SOCKET && cmsg->cmsg_type == SCM_RIGHTS) {
1802 int *fd = (int *)data;
1803 int *target_fd = (int *)target_data;
1804 int i, numfds = len / sizeof(int);
1805
1806 for (i = 0; i < numfds; i++) {
1807 __get_user(fd[i], target_fd + i);
1808 }
1809 } else if (cmsg->cmsg_level == SOL_SOCKET
1810 && cmsg->cmsg_type == SCM_CREDENTIALS) {
1811 struct ucred *cred = (struct ucred *)data;
1812 struct target_ucred *target_cred =
1813 (struct target_ucred *)target_data;
1814
1815 __get_user(cred->pid, &target_cred->pid);
1816 __get_user(cred->uid, &target_cred->uid);
1817 __get_user(cred->gid, &target_cred->gid);
1818 } else {
1819 qemu_log_mask(LOG_UNIMP, "Unsupported ancillary data: %d/%d\n",
1820 cmsg->cmsg_level, cmsg->cmsg_type);
1821 memcpy(data, target_data, len);
1822 }
1823
1824 cmsg = CMSG_NXTHDR(msgh, cmsg);
1825 target_cmsg = TARGET_CMSG_NXTHDR(target_msgh, target_cmsg,
1826 target_cmsg_start);
1827 }
1828 unlock_user(target_cmsg, target_cmsg_addr, 0);
1829 the_end:
1830 msgh->msg_controllen = space;
1831 return 0;
1832}
1833
1834static inline abi_long host_to_target_cmsg(struct target_msghdr *target_msgh,
1835 struct msghdr *msgh)
1836{
1837 struct cmsghdr *cmsg = CMSG_FIRSTHDR(msgh);
1838 abi_long msg_controllen;
1839 abi_ulong target_cmsg_addr;
1840 struct target_cmsghdr *target_cmsg, *target_cmsg_start;
1841 socklen_t space = 0;
1842
1843 msg_controllen = tswapal(target_msgh->msg_controllen);
1844 if (msg_controllen < sizeof (struct target_cmsghdr))
1845 goto the_end;
1846 target_cmsg_addr = tswapal(target_msgh->msg_control);
1847 target_cmsg = lock_user(VERIFY_WRITE, target_cmsg_addr, msg_controllen, 0);
1848 target_cmsg_start = target_cmsg;
1849 if (!target_cmsg)
1850 return -TARGET_EFAULT;
1851
1852 while (cmsg && target_cmsg) {
1853 void *data = CMSG_DATA(cmsg);
1854 void *target_data = TARGET_CMSG_DATA(target_cmsg);
1855
1856 int len = cmsg->cmsg_len - sizeof(struct cmsghdr);
1857 int tgt_len, tgt_space;
1858
1859
1860
1861
1862
1863
1864
1865 if (msg_controllen < sizeof(struct target_cmsghdr)) {
1866 target_msgh->msg_flags |= tswap32(MSG_CTRUNC);
1867 break;
1868 }
1869
1870 if (cmsg->cmsg_level == SOL_SOCKET) {
1871 target_cmsg->cmsg_level = tswap32(TARGET_SOL_SOCKET);
1872 } else {
1873 target_cmsg->cmsg_level = tswap32(cmsg->cmsg_level);
1874 }
1875 target_cmsg->cmsg_type = tswap32(cmsg->cmsg_type);
1876
1877
1878
1879
1880 tgt_len = len;
1881 switch (cmsg->cmsg_level) {
1882 case SOL_SOCKET:
1883 switch (cmsg->cmsg_type) {
1884 case SO_TIMESTAMP:
1885 tgt_len = sizeof(struct target_timeval);
1886 break;
1887 default:
1888 break;
1889 }
1890 break;
1891 default:
1892 break;
1893 }
1894
1895 if (msg_controllen < TARGET_CMSG_LEN(tgt_len)) {
1896 target_msgh->msg_flags |= tswap32(MSG_CTRUNC);
1897 tgt_len = msg_controllen - sizeof(struct target_cmsghdr);
1898 }
1899
1900
1901
1902
1903
1904
1905 switch (cmsg->cmsg_level) {
1906 case SOL_SOCKET:
1907 switch (cmsg->cmsg_type) {
1908 case SCM_RIGHTS:
1909 {
1910 int *fd = (int *)data;
1911 int *target_fd = (int *)target_data;
1912 int i, numfds = tgt_len / sizeof(int);
1913
1914 for (i = 0; i < numfds; i++) {
1915 __put_user(fd[i], target_fd + i);
1916 }
1917 break;
1918 }
1919 case SO_TIMESTAMP:
1920 {
1921 struct timeval *tv = (struct timeval *)data;
1922 struct target_timeval *target_tv =
1923 (struct target_timeval *)target_data;
1924
1925 if (len != sizeof(struct timeval) ||
1926 tgt_len != sizeof(struct target_timeval)) {
1927 goto unimplemented;
1928 }
1929
1930
1931 __put_user(tv->tv_sec, &target_tv->tv_sec);
1932 __put_user(tv->tv_usec, &target_tv->tv_usec);
1933 break;
1934 }
1935 case SCM_CREDENTIALS:
1936 {
1937 struct ucred *cred = (struct ucred *)data;
1938 struct target_ucred *target_cred =
1939 (struct target_ucred *)target_data;
1940
1941 __put_user(cred->pid, &target_cred->pid);
1942 __put_user(cred->uid, &target_cred->uid);
1943 __put_user(cred->gid, &target_cred->gid);
1944 break;
1945 }
1946 default:
1947 goto unimplemented;
1948 }
1949 break;
1950
1951 case SOL_IP:
1952 switch (cmsg->cmsg_type) {
1953 case IP_TTL:
1954 {
1955 uint32_t *v = (uint32_t *)data;
1956 uint32_t *t_int = (uint32_t *)target_data;
1957
1958 if (len != sizeof(uint32_t) ||
1959 tgt_len != sizeof(uint32_t)) {
1960 goto unimplemented;
1961 }
1962 __put_user(*v, t_int);
1963 break;
1964 }
1965 case IP_RECVERR:
1966 {
1967 struct errhdr_t {
1968 struct sock_extended_err ee;
1969 struct sockaddr_in offender;
1970 };
1971 struct errhdr_t *errh = (struct errhdr_t *)data;
1972 struct errhdr_t *target_errh =
1973 (struct errhdr_t *)target_data;
1974
1975 if (len != sizeof(struct errhdr_t) ||
1976 tgt_len != sizeof(struct errhdr_t)) {
1977 goto unimplemented;
1978 }
1979 __put_user(errh->ee.ee_errno, &target_errh->ee.ee_errno);
1980 __put_user(errh->ee.ee_origin, &target_errh->ee.ee_origin);
1981 __put_user(errh->ee.ee_type, &target_errh->ee.ee_type);
1982 __put_user(errh->ee.ee_code, &target_errh->ee.ee_code);
1983 __put_user(errh->ee.ee_pad, &target_errh->ee.ee_pad);
1984 __put_user(errh->ee.ee_info, &target_errh->ee.ee_info);
1985 __put_user(errh->ee.ee_data, &target_errh->ee.ee_data);
1986 host_to_target_sockaddr((unsigned long) &target_errh->offender,
1987 (void *) &errh->offender, sizeof(errh->offender));
1988 break;
1989 }
1990 default:
1991 goto unimplemented;
1992 }
1993 break;
1994
1995 case SOL_IPV6:
1996 switch (cmsg->cmsg_type) {
1997 case IPV6_HOPLIMIT:
1998 {
1999 uint32_t *v = (uint32_t *)data;
2000 uint32_t *t_int = (uint32_t *)target_data;
2001
2002 if (len != sizeof(uint32_t) ||
2003 tgt_len != sizeof(uint32_t)) {
2004 goto unimplemented;
2005 }
2006 __put_user(*v, t_int);
2007 break;
2008 }
2009 case IPV6_RECVERR:
2010 {
2011 struct errhdr6_t {
2012 struct sock_extended_err ee;
2013 struct sockaddr_in6 offender;
2014 };
2015 struct errhdr6_t *errh = (struct errhdr6_t *)data;
2016 struct errhdr6_t *target_errh =
2017 (struct errhdr6_t *)target_data;
2018
2019 if (len != sizeof(struct errhdr6_t) ||
2020 tgt_len != sizeof(struct errhdr6_t)) {
2021 goto unimplemented;
2022 }
2023 __put_user(errh->ee.ee_errno, &target_errh->ee.ee_errno);
2024 __put_user(errh->ee.ee_origin, &target_errh->ee.ee_origin);
2025 __put_user(errh->ee.ee_type, &target_errh->ee.ee_type);
2026 __put_user(errh->ee.ee_code, &target_errh->ee.ee_code);
2027 __put_user(errh->ee.ee_pad, &target_errh->ee.ee_pad);
2028 __put_user(errh->ee.ee_info, &target_errh->ee.ee_info);
2029 __put_user(errh->ee.ee_data, &target_errh->ee.ee_data);
2030 host_to_target_sockaddr((unsigned long) &target_errh->offender,
2031 (void *) &errh->offender, sizeof(errh->offender));
2032 break;
2033 }
2034 default:
2035 goto unimplemented;
2036 }
2037 break;
2038
2039 default:
2040 unimplemented:
2041 qemu_log_mask(LOG_UNIMP, "Unsupported ancillary data: %d/%d\n",
2042 cmsg->cmsg_level, cmsg->cmsg_type);
2043 memcpy(target_data, data, MIN(len, tgt_len));
2044 if (tgt_len > len) {
2045 memset(target_data + len, 0, tgt_len - len);
2046 }
2047 }
2048
2049 target_cmsg->cmsg_len = tswapal(TARGET_CMSG_LEN(tgt_len));
2050 tgt_space = TARGET_CMSG_SPACE(tgt_len);
2051 if (msg_controllen < tgt_space) {
2052 tgt_space = msg_controllen;
2053 }
2054 msg_controllen -= tgt_space;
2055 space += tgt_space;
2056 cmsg = CMSG_NXTHDR(msgh, cmsg);
2057 target_cmsg = TARGET_CMSG_NXTHDR(target_msgh, target_cmsg,
2058 target_cmsg_start);
2059 }
2060 unlock_user(target_cmsg, target_cmsg_addr, space);
2061 the_end:
2062 target_msgh->msg_controllen = tswapal(space);
2063 return 0;
2064}
2065
2066
2067static abi_long do_setsockopt(int sockfd, int level, int optname,
2068 abi_ulong optval_addr, socklen_t optlen)
2069{
2070 abi_long ret;
2071 int val;
2072 struct ip_mreqn *ip_mreq;
2073 struct ip_mreq_source *ip_mreq_source;
2074
2075 switch(level) {
2076 case SOL_TCP:
2077 case SOL_UDP:
2078
2079 if (optlen < sizeof(uint32_t))
2080 return -TARGET_EINVAL;
2081
2082 if (get_user_u32(val, optval_addr))
2083 return -TARGET_EFAULT;
2084 ret = get_errno(setsockopt(sockfd, level, optname, &val, sizeof(val)));
2085 break;
2086 case SOL_IP:
2087 switch(optname) {
2088 case IP_TOS:
2089 case IP_TTL:
2090 case IP_HDRINCL:
2091 case IP_ROUTER_ALERT:
2092 case IP_RECVOPTS:
2093 case IP_RETOPTS:
2094 case IP_PKTINFO:
2095 case IP_MTU_DISCOVER:
2096 case IP_RECVERR:
2097 case IP_RECVTTL:
2098 case IP_RECVTOS:
2099#ifdef IP_FREEBIND
2100 case IP_FREEBIND:
2101#endif
2102 case IP_MULTICAST_TTL:
2103 case IP_MULTICAST_LOOP:
2104 val = 0;
2105 if (optlen >= sizeof(uint32_t)) {
2106 if (get_user_u32(val, optval_addr))
2107 return -TARGET_EFAULT;
2108 } else if (optlen >= 1) {
2109 if (get_user_u8(val, optval_addr))
2110 return -TARGET_EFAULT;
2111 }
2112 ret = get_errno(setsockopt(sockfd, level, optname, &val, sizeof(val)));
2113 break;
2114 case IP_ADD_MEMBERSHIP:
2115 case IP_DROP_MEMBERSHIP:
2116 if (optlen < sizeof (struct target_ip_mreq) ||
2117 optlen > sizeof (struct target_ip_mreqn))
2118 return -TARGET_EINVAL;
2119
2120 ip_mreq = (struct ip_mreqn *) alloca(optlen);
2121 target_to_host_ip_mreq(ip_mreq, optval_addr, optlen);
2122 ret = get_errno(setsockopt(sockfd, level, optname, ip_mreq, optlen));
2123 break;
2124
2125 case IP_BLOCK_SOURCE:
2126 case IP_UNBLOCK_SOURCE:
2127 case IP_ADD_SOURCE_MEMBERSHIP:
2128 case IP_DROP_SOURCE_MEMBERSHIP:
2129 if (optlen != sizeof (struct target_ip_mreq_source))
2130 return -TARGET_EINVAL;
2131
2132 ip_mreq_source = lock_user(VERIFY_READ, optval_addr, optlen, 1);
2133 if (!ip_mreq_source) {
2134 return -TARGET_EFAULT;
2135 }
2136 ret = get_errno(setsockopt(sockfd, level, optname, ip_mreq_source, optlen));
2137 unlock_user (ip_mreq_source, optval_addr, 0);
2138 break;
2139
2140 default:
2141 goto unimplemented;
2142 }
2143 break;
2144 case SOL_IPV6:
2145 switch (optname) {
2146 case IPV6_MTU_DISCOVER:
2147 case IPV6_MTU:
2148 case IPV6_V6ONLY:
2149 case IPV6_RECVPKTINFO:
2150 case IPV6_UNICAST_HOPS:
2151 case IPV6_MULTICAST_HOPS:
2152 case IPV6_MULTICAST_LOOP:
2153 case IPV6_RECVERR:
2154 case IPV6_RECVHOPLIMIT:
2155 case IPV6_2292HOPLIMIT:
2156 case IPV6_CHECKSUM:
2157 case IPV6_ADDRFORM:
2158 case IPV6_2292PKTINFO:
2159 case IPV6_RECVTCLASS:
2160 case IPV6_RECVRTHDR:
2161 case IPV6_2292RTHDR:
2162 case IPV6_RECVHOPOPTS:
2163 case IPV6_2292HOPOPTS:
2164 case IPV6_RECVDSTOPTS:
2165 case IPV6_2292DSTOPTS:
2166 case IPV6_TCLASS:
2167 case IPV6_ADDR_PREFERENCES:
2168#ifdef IPV6_RECVPATHMTU
2169 case IPV6_RECVPATHMTU:
2170#endif
2171#ifdef IPV6_TRANSPARENT
2172 case IPV6_TRANSPARENT:
2173#endif
2174#ifdef IPV6_FREEBIND
2175 case IPV6_FREEBIND:
2176#endif
2177#ifdef IPV6_RECVORIGDSTADDR
2178 case IPV6_RECVORIGDSTADDR:
2179#endif
2180 val = 0;
2181 if (optlen < sizeof(uint32_t)) {
2182 return -TARGET_EINVAL;
2183 }
2184 if (get_user_u32(val, optval_addr)) {
2185 return -TARGET_EFAULT;
2186 }
2187 ret = get_errno(setsockopt(sockfd, level, optname,
2188 &val, sizeof(val)));
2189 break;
2190 case IPV6_PKTINFO:
2191 {
2192 struct in6_pktinfo pki;
2193
2194 if (optlen < sizeof(pki)) {
2195 return -TARGET_EINVAL;
2196 }
2197
2198 if (copy_from_user(&pki, optval_addr, sizeof(pki))) {
2199 return -TARGET_EFAULT;
2200 }
2201
2202 pki.ipi6_ifindex = tswap32(pki.ipi6_ifindex);
2203
2204 ret = get_errno(setsockopt(sockfd, level, optname,
2205 &pki, sizeof(pki)));
2206 break;
2207 }
2208 case IPV6_ADD_MEMBERSHIP:
2209 case IPV6_DROP_MEMBERSHIP:
2210 {
2211 struct ipv6_mreq ipv6mreq;
2212
2213 if (optlen < sizeof(ipv6mreq)) {
2214 return -TARGET_EINVAL;
2215 }
2216
2217 if (copy_from_user(&ipv6mreq, optval_addr, sizeof(ipv6mreq))) {
2218 return -TARGET_EFAULT;
2219 }
2220
2221 ipv6mreq.ipv6mr_interface = tswap32(ipv6mreq.ipv6mr_interface);
2222
2223 ret = get_errno(setsockopt(sockfd, level, optname,
2224 &ipv6mreq, sizeof(ipv6mreq)));
2225 break;
2226 }
2227 default:
2228 goto unimplemented;
2229 }
2230 break;
2231 case SOL_ICMPV6:
2232 switch (optname) {
2233 case ICMPV6_FILTER:
2234 {
2235 struct icmp6_filter icmp6f;
2236
2237 if (optlen > sizeof(icmp6f)) {
2238 optlen = sizeof(icmp6f);
2239 }
2240
2241 if (copy_from_user(&icmp6f, optval_addr, optlen)) {
2242 return -TARGET_EFAULT;
2243 }
2244
2245 for (val = 0; val < 8; val++) {
2246 icmp6f.data[val] = tswap32(icmp6f.data[val]);
2247 }
2248
2249 ret = get_errno(setsockopt(sockfd, level, optname,
2250 &icmp6f, optlen));
2251 break;
2252 }
2253 default:
2254 goto unimplemented;
2255 }
2256 break;
2257 case SOL_RAW:
2258 switch (optname) {
2259 case ICMP_FILTER:
2260 case IPV6_CHECKSUM:
2261
2262 if (optlen < sizeof(uint32_t)) {
2263 return -TARGET_EINVAL;
2264 }
2265
2266 if (get_user_u32(val, optval_addr)) {
2267 return -TARGET_EFAULT;
2268 }
2269 ret = get_errno(setsockopt(sockfd, level, optname,
2270 &val, sizeof(val)));
2271 break;
2272
2273 default:
2274 goto unimplemented;
2275 }
2276 break;
2277#if defined(SOL_ALG) && defined(ALG_SET_KEY) && defined(ALG_SET_AEAD_AUTHSIZE)
2278 case SOL_ALG:
2279 switch (optname) {
2280 case ALG_SET_KEY:
2281 {
2282 char *alg_key = g_malloc(optlen);
2283
2284 if (!alg_key) {
2285 return -TARGET_ENOMEM;
2286 }
2287 if (copy_from_user(alg_key, optval_addr, optlen)) {
2288 g_free(alg_key);
2289 return -TARGET_EFAULT;
2290 }
2291 ret = get_errno(setsockopt(sockfd, level, optname,
2292 alg_key, optlen));
2293 g_free(alg_key);
2294 break;
2295 }
2296 case ALG_SET_AEAD_AUTHSIZE:
2297 {
2298 ret = get_errno(setsockopt(sockfd, level, optname,
2299 NULL, optlen));
2300 break;
2301 }
2302 default:
2303 goto unimplemented;
2304 }
2305 break;
2306#endif
2307 case TARGET_SOL_SOCKET:
2308 switch (optname) {
2309 case TARGET_SO_RCVTIMEO:
2310 {
2311 struct timeval tv;
2312
2313 optname = SO_RCVTIMEO;
2314
2315set_timeout:
2316 if (optlen != sizeof(struct target_timeval)) {
2317 return -TARGET_EINVAL;
2318 }
2319
2320 if (copy_from_user_timeval(&tv, optval_addr)) {
2321 return -TARGET_EFAULT;
2322 }
2323
2324 ret = get_errno(setsockopt(sockfd, SOL_SOCKET, optname,
2325 &tv, sizeof(tv)));
2326 return ret;
2327 }
2328 case TARGET_SO_SNDTIMEO:
2329 optname = SO_SNDTIMEO;
2330 goto set_timeout;
2331 case TARGET_SO_ATTACH_FILTER:
2332 {
2333 struct target_sock_fprog *tfprog;
2334 struct target_sock_filter *tfilter;
2335 struct sock_fprog fprog;
2336 struct sock_filter *filter;
2337 int i;
2338
2339 if (optlen != sizeof(*tfprog)) {
2340 return -TARGET_EINVAL;
2341 }
2342 if (!lock_user_struct(VERIFY_READ, tfprog, optval_addr, 0)) {
2343 return -TARGET_EFAULT;
2344 }
2345 if (!lock_user_struct(VERIFY_READ, tfilter,
2346 tswapal(tfprog->filter), 0)) {
2347 unlock_user_struct(tfprog, optval_addr, 1);
2348 return -TARGET_EFAULT;
2349 }
2350
2351 fprog.len = tswap16(tfprog->len);
2352 filter = g_try_new(struct sock_filter, fprog.len);
2353 if (filter == NULL) {
2354 unlock_user_struct(tfilter, tfprog->filter, 1);
2355 unlock_user_struct(tfprog, optval_addr, 1);
2356 return -TARGET_ENOMEM;
2357 }
2358 for (i = 0; i < fprog.len; i++) {
2359 filter[i].code = tswap16(tfilter[i].code);
2360 filter[i].jt = tfilter[i].jt;
2361 filter[i].jf = tfilter[i].jf;
2362 filter[i].k = tswap32(tfilter[i].k);
2363 }
2364 fprog.filter = filter;
2365
2366 ret = get_errno(setsockopt(sockfd, SOL_SOCKET,
2367 SO_ATTACH_FILTER, &fprog, sizeof(fprog)));
2368 g_free(filter);
2369
2370 unlock_user_struct(tfilter, tfprog->filter, 1);
2371 unlock_user_struct(tfprog, optval_addr, 1);
2372 return ret;
2373 }
2374 case TARGET_SO_BINDTODEVICE:
2375 {
2376 char *dev_ifname, *addr_ifname;
2377
2378 if (optlen > IFNAMSIZ - 1) {
2379 optlen = IFNAMSIZ - 1;
2380 }
2381 dev_ifname = lock_user(VERIFY_READ, optval_addr, optlen, 1);
2382 if (!dev_ifname) {
2383 return -TARGET_EFAULT;
2384 }
2385 optname = SO_BINDTODEVICE;
2386 addr_ifname = alloca(IFNAMSIZ);
2387 memcpy(addr_ifname, dev_ifname, optlen);
2388 addr_ifname[optlen] = 0;
2389 ret = get_errno(setsockopt(sockfd, SOL_SOCKET, optname,
2390 addr_ifname, optlen));
2391 unlock_user (dev_ifname, optval_addr, 0);
2392 return ret;
2393 }
2394 case TARGET_SO_LINGER:
2395 {
2396 struct linger lg;
2397 struct target_linger *tlg;
2398
2399 if (optlen != sizeof(struct target_linger)) {
2400 return -TARGET_EINVAL;
2401 }
2402 if (!lock_user_struct(VERIFY_READ, tlg, optval_addr, 1)) {
2403 return -TARGET_EFAULT;
2404 }
2405 __get_user(lg.l_onoff, &tlg->l_onoff);
2406 __get_user(lg.l_linger, &tlg->l_linger);
2407 ret = get_errno(setsockopt(sockfd, SOL_SOCKET, SO_LINGER,
2408 &lg, sizeof(lg)));
2409 unlock_user_struct(tlg, optval_addr, 0);
2410 return ret;
2411 }
2412
2413 case TARGET_SO_DEBUG:
2414 optname = SO_DEBUG;
2415 break;
2416 case TARGET_SO_REUSEADDR:
2417 optname = SO_REUSEADDR;
2418 break;
2419#ifdef SO_REUSEPORT
2420 case TARGET_SO_REUSEPORT:
2421 optname = SO_REUSEPORT;
2422 break;
2423#endif
2424 case TARGET_SO_TYPE:
2425 optname = SO_TYPE;
2426 break;
2427 case TARGET_SO_ERROR:
2428 optname = SO_ERROR;
2429 break;
2430 case TARGET_SO_DONTROUTE:
2431 optname = SO_DONTROUTE;
2432 break;
2433 case TARGET_SO_BROADCAST:
2434 optname = SO_BROADCAST;
2435 break;
2436 case TARGET_SO_SNDBUF:
2437 optname = SO_SNDBUF;
2438 break;
2439 case TARGET_SO_SNDBUFFORCE:
2440 optname = SO_SNDBUFFORCE;
2441 break;
2442 case TARGET_SO_RCVBUF:
2443 optname = SO_RCVBUF;
2444 break;
2445 case TARGET_SO_RCVBUFFORCE:
2446 optname = SO_RCVBUFFORCE;
2447 break;
2448 case TARGET_SO_KEEPALIVE:
2449 optname = SO_KEEPALIVE;
2450 break;
2451 case TARGET_SO_OOBINLINE:
2452 optname = SO_OOBINLINE;
2453 break;
2454 case TARGET_SO_NO_CHECK:
2455 optname = SO_NO_CHECK;
2456 break;
2457 case TARGET_SO_PRIORITY:
2458 optname = SO_PRIORITY;
2459 break;
2460#ifdef SO_BSDCOMPAT
2461 case TARGET_SO_BSDCOMPAT:
2462 optname = SO_BSDCOMPAT;
2463 break;
2464#endif
2465 case TARGET_SO_PASSCRED:
2466 optname = SO_PASSCRED;
2467 break;
2468 case TARGET_SO_PASSSEC:
2469 optname = SO_PASSSEC;
2470 break;
2471 case TARGET_SO_TIMESTAMP:
2472 optname = SO_TIMESTAMP;
2473 break;
2474 case TARGET_SO_RCVLOWAT:
2475 optname = SO_RCVLOWAT;
2476 break;
2477 default:
2478 goto unimplemented;
2479 }
2480 if (optlen < sizeof(uint32_t))
2481 return -TARGET_EINVAL;
2482
2483 if (get_user_u32(val, optval_addr))
2484 return -TARGET_EFAULT;
2485 ret = get_errno(setsockopt(sockfd, SOL_SOCKET, optname, &val, sizeof(val)));
2486 break;
2487#ifdef SOL_NETLINK
2488 case SOL_NETLINK:
2489 switch (optname) {
2490 case NETLINK_PKTINFO:
2491 case NETLINK_ADD_MEMBERSHIP:
2492 case NETLINK_DROP_MEMBERSHIP:
2493 case NETLINK_BROADCAST_ERROR:
2494 case NETLINK_NO_ENOBUFS:
2495#if LINUX_VERSION_CODE >= KERNEL_VERSION(4, 2, 0)
2496 case NETLINK_LISTEN_ALL_NSID:
2497 case NETLINK_CAP_ACK:
2498#endif
2499#if LINUX_VERSION_CODE >= KERNEL_VERSION(4, 12, 0)
2500 case NETLINK_EXT_ACK:
2501#endif
2502#if LINUX_VERSION_CODE >= KERNEL_VERSION(4, 20, 0)
2503 case NETLINK_GET_STRICT_CHK:
2504#endif
2505 break;
2506 default:
2507 goto unimplemented;
2508 }
2509 val = 0;
2510 if (optlen < sizeof(uint32_t)) {
2511 return -TARGET_EINVAL;
2512 }
2513 if (get_user_u32(val, optval_addr)) {
2514 return -TARGET_EFAULT;
2515 }
2516 ret = get_errno(setsockopt(sockfd, SOL_NETLINK, optname, &val,
2517 sizeof(val)));
2518 break;
2519#endif
2520 default:
2521 unimplemented:
2522 qemu_log_mask(LOG_UNIMP, "Unsupported setsockopt level=%d optname=%d\n",
2523 level, optname);
2524 ret = -TARGET_ENOPROTOOPT;
2525 }
2526 return ret;
2527}
2528
2529
2530static abi_long do_getsockopt(int sockfd, int level, int optname,
2531 abi_ulong optval_addr, abi_ulong optlen)
2532{
2533 abi_long ret;
2534 int len, val;
2535 socklen_t lv;
2536
2537 switch(level) {
2538 case TARGET_SOL_SOCKET:
2539 level = SOL_SOCKET;
2540 switch (optname) {
2541
2542 case TARGET_SO_PEERNAME:
2543 goto unimplemented;
2544 case TARGET_SO_RCVTIMEO: {
2545 struct timeval tv;
2546 socklen_t tvlen;
2547
2548 optname = SO_RCVTIMEO;
2549
2550get_timeout:
2551 if (get_user_u32(len, optlen)) {
2552 return -TARGET_EFAULT;
2553 }
2554 if (len < 0) {
2555 return -TARGET_EINVAL;
2556 }
2557
2558 tvlen = sizeof(tv);
2559 ret = get_errno(getsockopt(sockfd, level, optname,
2560 &tv, &tvlen));
2561 if (ret < 0) {
2562 return ret;
2563 }
2564 if (len > sizeof(struct target_timeval)) {
2565 len = sizeof(struct target_timeval);
2566 }
2567 if (copy_to_user_timeval(optval_addr, &tv)) {
2568 return -TARGET_EFAULT;
2569 }
2570 if (put_user_u32(len, optlen)) {
2571 return -TARGET_EFAULT;
2572 }
2573 break;
2574 }
2575 case TARGET_SO_SNDTIMEO:
2576 optname = SO_SNDTIMEO;
2577 goto get_timeout;
2578 case TARGET_SO_PEERCRED: {
2579 struct ucred cr;
2580 socklen_t crlen;
2581 struct target_ucred *tcr;
2582
2583 if (get_user_u32(len, optlen)) {
2584 return -TARGET_EFAULT;
2585 }
2586 if (len < 0) {
2587 return -TARGET_EINVAL;
2588 }
2589
2590 crlen = sizeof(cr);
2591 ret = get_errno(getsockopt(sockfd, level, SO_PEERCRED,
2592 &cr, &crlen));
2593 if (ret < 0) {
2594 return ret;
2595 }
2596 if (len > crlen) {
2597 len = crlen;
2598 }
2599 if (!lock_user_struct(VERIFY_WRITE, tcr, optval_addr, 0)) {
2600 return -TARGET_EFAULT;
2601 }
2602 __put_user(cr.pid, &tcr->pid);
2603 __put_user(cr.uid, &tcr->uid);
2604 __put_user(cr.gid, &tcr->gid);
2605 unlock_user_struct(tcr, optval_addr, 1);
2606 if (put_user_u32(len, optlen)) {
2607 return -TARGET_EFAULT;
2608 }
2609 break;
2610 }
2611 case TARGET_SO_PEERSEC: {
2612 char *name;
2613
2614 if (get_user_u32(len, optlen)) {
2615 return -TARGET_EFAULT;
2616 }
2617 if (len < 0) {
2618 return -TARGET_EINVAL;
2619 }
2620 name = lock_user(VERIFY_WRITE, optval_addr, len, 0);
2621 if (!name) {
2622 return -TARGET_EFAULT;
2623 }
2624 lv = len;
2625 ret = get_errno(getsockopt(sockfd, level, SO_PEERSEC,
2626 name, &lv));
2627 if (put_user_u32(lv, optlen)) {
2628 ret = -TARGET_EFAULT;
2629 }
2630 unlock_user(name, optval_addr, lv);
2631 break;
2632 }
2633 case TARGET_SO_LINGER:
2634 {
2635 struct linger lg;
2636 socklen_t lglen;
2637 struct target_linger *tlg;
2638
2639 if (get_user_u32(len, optlen)) {
2640 return -TARGET_EFAULT;
2641 }
2642 if (len < 0) {
2643 return -TARGET_EINVAL;
2644 }
2645
2646 lglen = sizeof(lg);
2647 ret = get_errno(getsockopt(sockfd, level, SO_LINGER,
2648 &lg, &lglen));
2649 if (ret < 0) {
2650 return ret;
2651 }
2652 if (len > lglen) {
2653 len = lglen;
2654 }
2655 if (!lock_user_struct(VERIFY_WRITE, tlg, optval_addr, 0)) {
2656 return -TARGET_EFAULT;
2657 }
2658 __put_user(lg.l_onoff, &tlg->l_onoff);
2659 __put_user(lg.l_linger, &tlg->l_linger);
2660 unlock_user_struct(tlg, optval_addr, 1);
2661 if (put_user_u32(len, optlen)) {
2662 return -TARGET_EFAULT;
2663 }
2664 break;
2665 }
2666
2667 case TARGET_SO_DEBUG:
2668 optname = SO_DEBUG;
2669 goto int_case;
2670 case TARGET_SO_REUSEADDR:
2671 optname = SO_REUSEADDR;
2672 goto int_case;
2673#ifdef SO_REUSEPORT
2674 case TARGET_SO_REUSEPORT:
2675 optname = SO_REUSEPORT;
2676 goto int_case;
2677#endif
2678 case TARGET_SO_TYPE:
2679 optname = SO_TYPE;
2680 goto int_case;
2681 case TARGET_SO_ERROR:
2682 optname = SO_ERROR;
2683 goto int_case;
2684 case TARGET_SO_DONTROUTE:
2685 optname = SO_DONTROUTE;
2686 goto int_case;
2687 case TARGET_SO_BROADCAST:
2688 optname = SO_BROADCAST;
2689 goto int_case;
2690 case TARGET_SO_SNDBUF:
2691 optname = SO_SNDBUF;
2692 goto int_case;
2693 case TARGET_SO_RCVBUF:
2694 optname = SO_RCVBUF;
2695 goto int_case;
2696 case TARGET_SO_KEEPALIVE:
2697 optname = SO_KEEPALIVE;
2698 goto int_case;
2699 case TARGET_SO_OOBINLINE:
2700 optname = SO_OOBINLINE;
2701 goto int_case;
2702 case TARGET_SO_NO_CHECK:
2703 optname = SO_NO_CHECK;
2704 goto int_case;
2705 case TARGET_SO_PRIORITY:
2706 optname = SO_PRIORITY;
2707 goto int_case;
2708#ifdef SO_BSDCOMPAT
2709 case TARGET_SO_BSDCOMPAT:
2710 optname = SO_BSDCOMPAT;
2711 goto int_case;
2712#endif
2713 case TARGET_SO_PASSCRED:
2714 optname = SO_PASSCRED;
2715 goto int_case;
2716 case TARGET_SO_TIMESTAMP:
2717 optname = SO_TIMESTAMP;
2718 goto int_case;
2719 case TARGET_SO_RCVLOWAT:
2720 optname = SO_RCVLOWAT;
2721 goto int_case;
2722 case TARGET_SO_ACCEPTCONN:
2723 optname = SO_ACCEPTCONN;
2724 goto int_case;
2725 case TARGET_SO_PROTOCOL:
2726 optname = SO_PROTOCOL;
2727 goto int_case;
2728 case TARGET_SO_DOMAIN:
2729 optname = SO_DOMAIN;
2730 goto int_case;
2731 default:
2732 goto int_case;
2733 }
2734 break;
2735 case SOL_TCP:
2736 case SOL_UDP:
2737
2738 int_case:
2739 if (get_user_u32(len, optlen))
2740 return -TARGET_EFAULT;
2741 if (len < 0)
2742 return -TARGET_EINVAL;
2743 lv = sizeof(lv);
2744 ret = get_errno(getsockopt(sockfd, level, optname, &val, &lv));
2745 if (ret < 0)
2746 return ret;
2747 if (optname == SO_TYPE) {
2748 val = host_to_target_sock_type(val);
2749 }
2750 if (len > lv)
2751 len = lv;
2752 if (len == 4) {
2753 if (put_user_u32(val, optval_addr))
2754 return -TARGET_EFAULT;
2755 } else {
2756 if (put_user_u8(val, optval_addr))
2757 return -TARGET_EFAULT;
2758 }
2759 if (put_user_u32(len, optlen))
2760 return -TARGET_EFAULT;
2761 break;
2762 case SOL_IP:
2763 switch(optname) {
2764 case IP_TOS:
2765 case IP_TTL:
2766 case IP_HDRINCL:
2767 case IP_ROUTER_ALERT:
2768 case IP_RECVOPTS:
2769 case IP_RETOPTS:
2770 case IP_PKTINFO:
2771 case IP_MTU_DISCOVER:
2772 case IP_RECVERR:
2773 case IP_RECVTOS:
2774#ifdef IP_FREEBIND
2775 case IP_FREEBIND:
2776#endif
2777 case IP_MULTICAST_TTL:
2778 case IP_MULTICAST_LOOP:
2779 if (get_user_u32(len, optlen))
2780 return -TARGET_EFAULT;
2781 if (len < 0)
2782 return -TARGET_EINVAL;
2783 lv = sizeof(lv);
2784 ret = get_errno(getsockopt(sockfd, level, optname, &val, &lv));
2785 if (ret < 0)
2786 return ret;
2787 if (len < sizeof(int) && len > 0 && val >= 0 && val < 255) {
2788 len = 1;
2789 if (put_user_u32(len, optlen)
2790 || put_user_u8(val, optval_addr))
2791 return -TARGET_EFAULT;
2792 } else {
2793 if (len > sizeof(int))
2794 len = sizeof(int);
2795 if (put_user_u32(len, optlen)
2796 || put_user_u32(val, optval_addr))
2797 return -TARGET_EFAULT;
2798 }
2799 break;
2800 default:
2801 ret = -TARGET_ENOPROTOOPT;
2802 break;
2803 }
2804 break;
2805 case SOL_IPV6:
2806 switch (optname) {
2807 case IPV6_MTU_DISCOVER:
2808 case IPV6_MTU:
2809 case IPV6_V6ONLY:
2810 case IPV6_RECVPKTINFO:
2811 case IPV6_UNICAST_HOPS:
2812 case IPV6_MULTICAST_HOPS:
2813 case IPV6_MULTICAST_LOOP:
2814 case IPV6_RECVERR:
2815 case IPV6_RECVHOPLIMIT:
2816 case IPV6_2292HOPLIMIT:
2817 case IPV6_CHECKSUM:
2818 case IPV6_ADDRFORM:
2819 case IPV6_2292PKTINFO:
2820 case IPV6_RECVTCLASS:
2821 case IPV6_RECVRTHDR:
2822 case IPV6_2292RTHDR:
2823 case IPV6_RECVHOPOPTS:
2824 case IPV6_2292HOPOPTS:
2825 case IPV6_RECVDSTOPTS:
2826 case IPV6_2292DSTOPTS:
2827 case IPV6_TCLASS:
2828 case IPV6_ADDR_PREFERENCES:
2829#ifdef IPV6_RECVPATHMTU
2830 case IPV6_RECVPATHMTU:
2831#endif
2832#ifdef IPV6_TRANSPARENT
2833 case IPV6_TRANSPARENT:
2834#endif
2835#ifdef IPV6_FREEBIND
2836 case IPV6_FREEBIND:
2837#endif
2838#ifdef IPV6_RECVORIGDSTADDR
2839 case IPV6_RECVORIGDSTADDR:
2840#endif
2841 if (get_user_u32(len, optlen))
2842 return -TARGET_EFAULT;
2843 if (len < 0)
2844 return -TARGET_EINVAL;
2845 lv = sizeof(lv);
2846 ret = get_errno(getsockopt(sockfd, level, optname, &val, &lv));
2847 if (ret < 0)
2848 return ret;
2849 if (len < sizeof(int) && len > 0 && val >= 0 && val < 255) {
2850 len = 1;
2851 if (put_user_u32(len, optlen)
2852 || put_user_u8(val, optval_addr))
2853 return -TARGET_EFAULT;
2854 } else {
2855 if (len > sizeof(int))
2856 len = sizeof(int);
2857 if (put_user_u32(len, optlen)
2858 || put_user_u32(val, optval_addr))
2859 return -TARGET_EFAULT;
2860 }
2861 break;
2862 default:
2863 ret = -TARGET_ENOPROTOOPT;
2864 break;
2865 }
2866 break;
2867#ifdef SOL_NETLINK
2868 case SOL_NETLINK:
2869 switch (optname) {
2870 case NETLINK_PKTINFO:
2871 case NETLINK_BROADCAST_ERROR:
2872 case NETLINK_NO_ENOBUFS:
2873#if LINUX_VERSION_CODE >= KERNEL_VERSION(4, 2, 0)
2874 case NETLINK_LISTEN_ALL_NSID:
2875 case NETLINK_CAP_ACK:
2876#endif
2877#if LINUX_VERSION_CODE >= KERNEL_VERSION(4, 12, 0)
2878 case NETLINK_EXT_ACK:
2879#endif
2880#if LINUX_VERSION_CODE >= KERNEL_VERSION(4, 20, 0)
2881 case NETLINK_GET_STRICT_CHK:
2882#endif
2883 if (get_user_u32(len, optlen)) {
2884 return -TARGET_EFAULT;
2885 }
2886 if (len != sizeof(val)) {
2887 return -TARGET_EINVAL;
2888 }
2889 lv = len;
2890 ret = get_errno(getsockopt(sockfd, level, optname, &val, &lv));
2891 if (ret < 0) {
2892 return ret;
2893 }
2894 if (put_user_u32(lv, optlen)
2895 || put_user_u32(val, optval_addr)) {
2896 return -TARGET_EFAULT;
2897 }
2898 break;
2899#if LINUX_VERSION_CODE >= KERNEL_VERSION(4, 2, 0)
2900 case NETLINK_LIST_MEMBERSHIPS:
2901 {
2902 uint32_t *results;
2903 int i;
2904 if (get_user_u32(len, optlen)) {
2905 return -TARGET_EFAULT;
2906 }
2907 if (len < 0) {
2908 return -TARGET_EINVAL;
2909 }
2910 results = lock_user(VERIFY_WRITE, optval_addr, len, 1);
2911 if (!results && len > 0) {
2912 return -TARGET_EFAULT;
2913 }
2914 lv = len;
2915 ret = get_errno(getsockopt(sockfd, level, optname, results, &lv));
2916 if (ret < 0) {
2917 unlock_user(results, optval_addr, 0);
2918 return ret;
2919 }
2920
2921 for (i = 0; i < (len / sizeof(uint32_t)); i++) {
2922 results[i] = tswap32(results[i]);
2923 }
2924 if (put_user_u32(lv, optlen)) {
2925 return -TARGET_EFAULT;
2926 }
2927 unlock_user(results, optval_addr, 0);
2928 break;
2929 }
2930#endif
2931 default:
2932 goto unimplemented;
2933 }
2934 break;
2935#endif
2936 default:
2937 unimplemented:
2938 qemu_log_mask(LOG_UNIMP,
2939 "getsockopt level=%d optname=%d not yet supported\n",
2940 level, optname);
2941 ret = -TARGET_EOPNOTSUPP;
2942 break;
2943 }
2944 return ret;
2945}
2946
2947
2948
2949
2950
2951static void target_to_host_low_high(abi_ulong tlow,
2952 abi_ulong thigh,
2953 unsigned long *hlow,
2954 unsigned long *hhigh)
2955{
2956 uint64_t off = tlow |
2957 ((unsigned long long)thigh << TARGET_LONG_BITS / 2) <<
2958 TARGET_LONG_BITS / 2;
2959
2960 *hlow = off;
2961 *hhigh = (off >> HOST_LONG_BITS / 2) >> HOST_LONG_BITS / 2;
2962}
2963
2964static struct iovec *lock_iovec(int type, abi_ulong target_addr,
2965 abi_ulong count, int copy)
2966{
2967 struct target_iovec *target_vec;
2968 struct iovec *vec;
2969 abi_ulong total_len, max_len;
2970 int i;
2971 int err = 0;
2972 bool bad_address = false;
2973
2974 if (count == 0) {
2975 errno = 0;
2976 return NULL;
2977 }
2978 if (count > IOV_MAX) {
2979 errno = EINVAL;
2980 return NULL;
2981 }
2982
2983 vec = g_try_new0(struct iovec, count);
2984 if (vec == NULL) {
2985 errno = ENOMEM;
2986 return NULL;
2987 }
2988
2989 target_vec = lock_user(VERIFY_READ, target_addr,
2990 count * sizeof(struct target_iovec), 1);
2991 if (target_vec == NULL) {
2992 err = EFAULT;
2993 goto fail2;
2994 }
2995
2996
2997
2998 max_len = 0x7fffffff & TARGET_PAGE_MASK;
2999 total_len = 0;
3000
3001 for (i = 0; i < count; i++) {
3002 abi_ulong base = tswapal(target_vec[i].iov_base);
3003 abi_long len = tswapal(target_vec[i].iov_len);
3004
3005 if (len < 0) {
3006 err = EINVAL;
3007 goto fail;
3008 } else if (len == 0) {
3009
3010 vec[i].iov_base = 0;
3011 } else {
3012 vec[i].iov_base = lock_user(type, base, len, copy);
3013
3014
3015
3016
3017 if (!vec[i].iov_base) {
3018 if (i == 0) {
3019 err = EFAULT;
3020 goto fail;
3021 } else {
3022 bad_address = true;
3023 }
3024 }
3025 if (bad_address) {
3026 len = 0;
3027 }
3028 if (len > max_len - total_len) {
3029 len = max_len - total_len;
3030 }
3031 }
3032 vec[i].iov_len = len;
3033 total_len += len;
3034 }
3035
3036 unlock_user(target_vec, target_addr, 0);
3037 return vec;
3038
3039 fail:
3040 while (--i >= 0) {
3041 if (tswapal(target_vec[i].iov_len) > 0) {
3042 unlock_user(vec[i].iov_base, tswapal(target_vec[i].iov_base), 0);
3043 }
3044 }
3045 unlock_user(target_vec, target_addr, 0);
3046 fail2:
3047 g_free(vec);
3048 errno = err;
3049 return NULL;
3050}
3051
3052static void unlock_iovec(struct iovec *vec, abi_ulong target_addr,
3053 abi_ulong count, int copy)
3054{
3055 struct target_iovec *target_vec;
3056 int i;
3057
3058 target_vec = lock_user(VERIFY_READ, target_addr,
3059 count * sizeof(struct target_iovec), 1);
3060 if (target_vec) {
3061 for (i = 0; i < count; i++) {
3062 abi_ulong base = tswapal(target_vec[i].iov_base);
3063 abi_long len = tswapal(target_vec[i].iov_len);
3064 if (len < 0) {
3065 break;
3066 }
3067 unlock_user(vec[i].iov_base, base, copy ? vec[i].iov_len : 0);
3068 }
3069 unlock_user(target_vec, target_addr, 0);
3070 }
3071
3072 g_free(vec);
3073}
3074
3075static inline int target_to_host_sock_type(int *type)
3076{
3077 int host_type = 0;
3078 int target_type = *type;
3079
3080 switch (target_type & TARGET_SOCK_TYPE_MASK) {
3081 case TARGET_SOCK_DGRAM:
3082 host_type = SOCK_DGRAM;
3083 break;
3084 case TARGET_SOCK_STREAM:
3085 host_type = SOCK_STREAM;
3086 break;
3087 default:
3088 host_type = target_type & TARGET_SOCK_TYPE_MASK;
3089 break;
3090 }
3091 if (target_type & TARGET_SOCK_CLOEXEC) {
3092#if defined(SOCK_CLOEXEC)
3093 host_type |= SOCK_CLOEXEC;
3094#else
3095 return -TARGET_EINVAL;
3096#endif
3097 }
3098 if (target_type & TARGET_SOCK_NONBLOCK) {
3099#if defined(SOCK_NONBLOCK)
3100 host_type |= SOCK_NONBLOCK;
3101#elif !defined(O_NONBLOCK)
3102 return -TARGET_EINVAL;
3103#endif
3104 }
3105 *type = host_type;
3106 return 0;
3107}
3108
3109
3110static int sock_flags_fixup(int fd, int target_type)
3111{
3112#if !defined(SOCK_NONBLOCK) && defined(O_NONBLOCK)
3113 if (target_type & TARGET_SOCK_NONBLOCK) {
3114 int flags = fcntl(fd, F_GETFL);
3115 if (fcntl(fd, F_SETFL, O_NONBLOCK | flags) == -1) {
3116 close(fd);
3117 return -TARGET_EINVAL;
3118 }
3119 }
3120#endif
3121 return fd;
3122}
3123
3124
3125static abi_long do_socket(int domain, int type, int protocol)
3126{
3127 int target_type = type;
3128 int ret;
3129
3130 ret = target_to_host_sock_type(&type);
3131 if (ret) {
3132 return ret;
3133 }
3134
3135 if (domain == PF_NETLINK && !(
3136#ifdef CONFIG_RTNETLINK
3137 protocol == NETLINK_ROUTE ||
3138#endif
3139 protocol == NETLINK_KOBJECT_UEVENT ||
3140 protocol == NETLINK_AUDIT)) {
3141 return -TARGET_EPROTONOSUPPORT;
3142 }
3143
3144 if (domain == AF_PACKET ||
3145 (domain == AF_INET && type == SOCK_PACKET)) {
3146 protocol = tswap16(protocol);
3147 }
3148
3149 ret = get_errno(socket(domain, type, protocol));
3150 if (ret >= 0) {
3151 ret = sock_flags_fixup(ret, target_type);
3152 if (type == SOCK_PACKET) {
3153
3154
3155
3156 fd_trans_register(ret, &target_packet_trans);
3157 } else if (domain == PF_NETLINK) {
3158 switch (protocol) {
3159#ifdef CONFIG_RTNETLINK
3160 case NETLINK_ROUTE:
3161 fd_trans_register(ret, &target_netlink_route_trans);
3162 break;
3163#endif
3164 case NETLINK_KOBJECT_UEVENT:
3165
3166 break;
3167 case NETLINK_AUDIT:
3168 fd_trans_register(ret, &target_netlink_audit_trans);
3169 break;
3170 default:
3171 g_assert_not_reached();
3172 }
3173 }
3174 }
3175 return ret;
3176}
3177
3178
3179static abi_long do_bind(int sockfd, abi_ulong target_addr,
3180 socklen_t addrlen)
3181{
3182 void *addr;
3183 abi_long ret;
3184
3185 if ((int)addrlen < 0) {
3186 return -TARGET_EINVAL;
3187 }
3188
3189 addr = alloca(addrlen+1);
3190
3191 ret = target_to_host_sockaddr(sockfd, addr, target_addr, addrlen);
3192 if (ret)
3193 return ret;
3194
3195 return get_errno(bind(sockfd, addr, addrlen));
3196}
3197
3198
3199static abi_long do_connect(int sockfd, abi_ulong target_addr,
3200 socklen_t addrlen)
3201{
3202 void *addr;
3203 abi_long ret;
3204
3205 if ((int)addrlen < 0) {
3206 return -TARGET_EINVAL;
3207 }
3208
3209 addr = alloca(addrlen+1);
3210
3211 ret = target_to_host_sockaddr(sockfd, addr, target_addr, addrlen);
3212 if (ret)
3213 return ret;
3214
3215 return get_errno(safe_connect(sockfd, addr, addrlen));
3216}
3217
3218
3219static abi_long do_sendrecvmsg_locked(int fd, struct target_msghdr *msgp,
3220 int flags, int send)
3221{
3222 abi_long ret, len;
3223 struct msghdr msg;
3224 abi_ulong count;
3225 struct iovec *vec;
3226 abi_ulong target_vec;
3227
3228 if (msgp->msg_name) {
3229 msg.msg_namelen = tswap32(msgp->msg_namelen);
3230 msg.msg_name = alloca(msg.msg_namelen+1);
3231 ret = target_to_host_sockaddr(fd, msg.msg_name,
3232 tswapal(msgp->msg_name),
3233 msg.msg_namelen);
3234 if (ret == -TARGET_EFAULT) {
3235
3236
3237
3238
3239
3240 msg.msg_name = (void *)-1;
3241 } else if (ret) {
3242 goto out2;
3243 }
3244 } else {
3245 msg.msg_name = NULL;
3246 msg.msg_namelen = 0;
3247 }
3248 msg.msg_controllen = 2 * tswapal(msgp->msg_controllen);
3249 msg.msg_control = alloca(msg.msg_controllen);
3250 memset(msg.msg_control, 0, msg.msg_controllen);
3251
3252 msg.msg_flags = tswap32(msgp->msg_flags);
3253
3254 count = tswapal(msgp->msg_iovlen);
3255 target_vec = tswapal(msgp->msg_iov);
3256
3257 if (count > IOV_MAX) {
3258
3259
3260
3261 ret = -TARGET_EMSGSIZE;
3262 goto out2;
3263 }
3264
3265 vec = lock_iovec(send ? VERIFY_READ : VERIFY_WRITE,
3266 target_vec, count, send);
3267 if (vec == NULL) {
3268 ret = -host_to_target_errno(errno);
3269 goto out2;
3270 }
3271 msg.msg_iovlen = count;
3272 msg.msg_iov = vec;
3273
3274 if (send) {
3275 if (fd_trans_target_to_host_data(fd)) {
3276 void *host_msg;
3277
3278 host_msg = g_malloc(msg.msg_iov->iov_len);
3279 memcpy(host_msg, msg.msg_iov->iov_base, msg.msg_iov->iov_len);
3280 ret = fd_trans_target_to_host_data(fd)(host_msg,
3281 msg.msg_iov->iov_len);
3282 if (ret >= 0) {
3283 msg.msg_iov->iov_base = host_msg;
3284 ret = get_errno(safe_sendmsg(fd, &msg, flags));
3285 }
3286 g_free(host_msg);
3287 } else {
3288 ret = target_to_host_cmsg(&msg, msgp);
3289 if (ret == 0) {
3290 ret = get_errno(safe_sendmsg(fd, &msg, flags));
3291 }
3292 }
3293 } else {
3294 ret = get_errno(safe_recvmsg(fd, &msg, flags));
3295 if (!is_error(ret)) {
3296 len = ret;
3297 if (fd_trans_host_to_target_data(fd)) {
3298 ret = fd_trans_host_to_target_data(fd)(msg.msg_iov->iov_base,
3299 MIN(msg.msg_iov->iov_len, len));
3300 } else {
3301 ret = host_to_target_cmsg(msgp, &msg);
3302 }
3303 if (!is_error(ret)) {
3304 msgp->msg_namelen = tswap32(msg.msg_namelen);
3305 msgp->msg_flags = tswap32(msg.msg_flags);
3306 if (msg.msg_name != NULL && msg.msg_name != (void *)-1) {
3307 ret = host_to_target_sockaddr(tswapal(msgp->msg_name),
3308 msg.msg_name, msg.msg_namelen);
3309 if (ret) {
3310 goto out;
3311 }
3312 }
3313
3314 ret = len;
3315 }
3316 }
3317 }
3318
3319out:
3320 unlock_iovec(vec, target_vec, count, !send);
3321out2:
3322 return ret;
3323}
3324
3325static abi_long do_sendrecvmsg(int fd, abi_ulong target_msg,
3326 int flags, int send)
3327{
3328 abi_long ret;
3329 struct target_msghdr *msgp;
3330
3331 if (!lock_user_struct(send ? VERIFY_READ : VERIFY_WRITE,
3332 msgp,
3333 target_msg,
3334 send ? 1 : 0)) {
3335 return -TARGET_EFAULT;
3336 }
3337 ret = do_sendrecvmsg_locked(fd, msgp, flags, send);
3338 unlock_user_struct(msgp, target_msg, send ? 0 : 1);
3339 return ret;
3340}
3341
3342
3343
3344
3345#ifndef MSG_WAITFORONE
3346#define MSG_WAITFORONE 0x10000
3347#endif
3348
3349static abi_long do_sendrecvmmsg(int fd, abi_ulong target_msgvec,
3350 unsigned int vlen, unsigned int flags,
3351 int send)
3352{
3353 struct target_mmsghdr *mmsgp;
3354 abi_long ret = 0;
3355 int i;
3356
3357 if (vlen > UIO_MAXIOV) {
3358 vlen = UIO_MAXIOV;
3359 }
3360
3361 mmsgp = lock_user(VERIFY_WRITE, target_msgvec, sizeof(*mmsgp) * vlen, 1);
3362 if (!mmsgp) {
3363 return -TARGET_EFAULT;
3364 }
3365
3366 for (i = 0; i < vlen; i++) {
3367 ret = do_sendrecvmsg_locked(fd, &mmsgp[i].msg_hdr, flags, send);
3368 if (is_error(ret)) {
3369 break;
3370 }
3371 mmsgp[i].msg_len = tswap32(ret);
3372
3373 if (flags & MSG_WAITFORONE) {
3374 flags |= MSG_DONTWAIT;
3375 }
3376 }
3377
3378 unlock_user(mmsgp, target_msgvec, sizeof(*mmsgp) * i);
3379
3380
3381
3382
3383 if (i) {
3384 return i;
3385 }
3386 return ret;
3387}
3388
3389
3390static abi_long do_accept4(int fd, abi_ulong target_addr,
3391 abi_ulong target_addrlen_addr, int flags)
3392{
3393 socklen_t addrlen, ret_addrlen;
3394 void *addr;
3395 abi_long ret;
3396 int host_flags;
3397
3398 host_flags = target_to_host_bitmask(flags, fcntl_flags_tbl);
3399
3400 if (target_addr == 0) {
3401 return get_errno(safe_accept4(fd, NULL, NULL, host_flags));
3402 }
3403
3404
3405 if (get_user_u32(addrlen, target_addrlen_addr))
3406 return -TARGET_EFAULT;
3407
3408 if ((int)addrlen < 0) {
3409 return -TARGET_EINVAL;
3410 }
3411
3412 if (!access_ok(thread_cpu, VERIFY_WRITE, target_addr, addrlen)) {
3413 return -TARGET_EFAULT;
3414 }
3415
3416 addr = alloca(addrlen);
3417
3418 ret_addrlen = addrlen;
3419 ret = get_errno(safe_accept4(fd, addr, &ret_addrlen, host_flags));
3420 if (!is_error(ret)) {
3421 host_to_target_sockaddr(target_addr, addr, MIN(addrlen, ret_addrlen));
3422 if (put_user_u32(ret_addrlen, target_addrlen_addr)) {
3423 ret = -TARGET_EFAULT;
3424 }
3425 }
3426 return ret;
3427}
3428
3429
3430static abi_long do_getpeername(int fd, abi_ulong target_addr,
3431 abi_ulong target_addrlen_addr)
3432{
3433 socklen_t addrlen, ret_addrlen;
3434 void *addr;
3435 abi_long ret;
3436
3437 if (get_user_u32(addrlen, target_addrlen_addr))
3438 return -TARGET_EFAULT;
3439
3440 if ((int)addrlen < 0) {
3441 return -TARGET_EINVAL;
3442 }
3443
3444 if (!access_ok(thread_cpu, VERIFY_WRITE, target_addr, addrlen)) {
3445 return -TARGET_EFAULT;
3446 }
3447
3448 addr = alloca(addrlen);
3449
3450 ret_addrlen = addrlen;
3451 ret = get_errno(getpeername(fd, addr, &ret_addrlen));
3452 if (!is_error(ret)) {
3453 host_to_target_sockaddr(target_addr, addr, MIN(addrlen, ret_addrlen));
3454 if (put_user_u32(ret_addrlen, target_addrlen_addr)) {
3455 ret = -TARGET_EFAULT;
3456 }
3457 }
3458 return ret;
3459}
3460
3461
3462static abi_long do_getsockname(int fd, abi_ulong target_addr,
3463 abi_ulong target_addrlen_addr)
3464{
3465 socklen_t addrlen, ret_addrlen;
3466 void *addr;
3467 abi_long ret;
3468
3469 if (get_user_u32(addrlen, target_addrlen_addr))
3470 return -TARGET_EFAULT;
3471
3472 if ((int)addrlen < 0) {
3473 return -TARGET_EINVAL;
3474 }
3475
3476 if (!access_ok(thread_cpu, VERIFY_WRITE, target_addr, addrlen)) {
3477 return -TARGET_EFAULT;
3478 }
3479
3480 addr = alloca(addrlen);
3481
3482 ret_addrlen = addrlen;
3483 ret = get_errno(getsockname(fd, addr, &ret_addrlen));
3484 if (!is_error(ret)) {
3485 host_to_target_sockaddr(target_addr, addr, MIN(addrlen, ret_addrlen));
3486 if (put_user_u32(ret_addrlen, target_addrlen_addr)) {
3487 ret = -TARGET_EFAULT;
3488 }
3489 }
3490 return ret;
3491}
3492
3493
3494static abi_long do_socketpair(int domain, int type, int protocol,
3495 abi_ulong target_tab_addr)
3496{
3497 int tab[2];
3498 abi_long ret;
3499
3500 target_to_host_sock_type(&type);
3501
3502 ret = get_errno(socketpair(domain, type, protocol, tab));
3503 if (!is_error(ret)) {
3504 if (put_user_s32(tab[0], target_tab_addr)
3505 || put_user_s32(tab[1], target_tab_addr + sizeof(tab[0])))
3506 ret = -TARGET_EFAULT;
3507 }
3508 return ret;
3509}
3510
3511
3512static abi_long do_sendto(int fd, abi_ulong msg, size_t len, int flags,
3513 abi_ulong target_addr, socklen_t addrlen)
3514{
3515 void *addr;
3516 void *host_msg;
3517 void *copy_msg = NULL;
3518 abi_long ret;
3519
3520 if ((int)addrlen < 0) {
3521 return -TARGET_EINVAL;
3522 }
3523
3524 host_msg = lock_user(VERIFY_READ, msg, len, 1);
3525 if (!host_msg)
3526 return -TARGET_EFAULT;
3527 if (fd_trans_target_to_host_data(fd)) {
3528 copy_msg = host_msg;
3529 host_msg = g_malloc(len);
3530 memcpy(host_msg, copy_msg, len);
3531 ret = fd_trans_target_to_host_data(fd)(host_msg, len);
3532 if (ret < 0) {
3533 goto fail;
3534 }
3535 }
3536 if (target_addr) {
3537 addr = alloca(addrlen+1);
3538 ret = target_to_host_sockaddr(fd, addr, target_addr, addrlen);
3539 if (ret) {
3540 goto fail;
3541 }
3542 ret = get_errno(safe_sendto(fd, host_msg, len, flags, addr, addrlen));
3543 } else {
3544 ret = get_errno(safe_sendto(fd, host_msg, len, flags, NULL, 0));
3545 }
3546fail:
3547 if (copy_msg) {
3548 g_free(host_msg);
3549 host_msg = copy_msg;
3550 }
3551 unlock_user(host_msg, msg, 0);
3552 return ret;
3553}
3554
3555
3556static abi_long do_recvfrom(int fd, abi_ulong msg, size_t len, int flags,
3557 abi_ulong target_addr,
3558 abi_ulong target_addrlen)
3559{
3560 socklen_t addrlen, ret_addrlen;
3561 void *addr;
3562 void *host_msg;
3563 abi_long ret;
3564
3565 if (!msg) {
3566 host_msg = NULL;
3567 } else {
3568 host_msg = lock_user(VERIFY_WRITE, msg, len, 0);
3569 if (!host_msg) {
3570 return -TARGET_EFAULT;
3571 }
3572 }
3573 if (target_addr) {
3574 if (get_user_u32(addrlen, target_addrlen)) {
3575 ret = -TARGET_EFAULT;
3576 goto fail;
3577 }
3578 if ((int)addrlen < 0) {
3579 ret = -TARGET_EINVAL;
3580 goto fail;
3581 }
3582 addr = alloca(addrlen);
3583 ret_addrlen = addrlen;
3584 ret = get_errno(safe_recvfrom(fd, host_msg, len, flags,
3585 addr, &ret_addrlen));
3586 } else {
3587 addr = NULL;
3588 addrlen = 0;
3589 ret = get_errno(safe_recvfrom(fd, host_msg, len, flags, NULL, 0));
3590 }
3591 if (!is_error(ret)) {
3592 if (fd_trans_host_to_target_data(fd)) {
3593 abi_long trans;
3594 trans = fd_trans_host_to_target_data(fd)(host_msg, MIN(ret, len));
3595 if (is_error(trans)) {
3596 ret = trans;
3597 goto fail;
3598 }
3599 }
3600 if (target_addr) {
3601 host_to_target_sockaddr(target_addr, addr,
3602 MIN(addrlen, ret_addrlen));
3603 if (put_user_u32(ret_addrlen, target_addrlen)) {
3604 ret = -TARGET_EFAULT;
3605 goto fail;
3606 }
3607 }
3608 unlock_user(host_msg, msg, len);
3609 } else {
3610fail:
3611 unlock_user(host_msg, msg, 0);
3612 }
3613 return ret;
3614}
3615
3616#ifdef TARGET_NR_socketcall
3617
3618static abi_long do_socketcall(int num, abi_ulong vptr)
3619{
3620 static const unsigned nargs[] = {
3621 [TARGET_SYS_SOCKET] = 3,
3622 [TARGET_SYS_BIND] = 3,
3623 [TARGET_SYS_CONNECT] = 3,
3624 [TARGET_SYS_LISTEN] = 2,
3625 [TARGET_SYS_ACCEPT] = 3,
3626 [TARGET_SYS_GETSOCKNAME] = 3,
3627 [TARGET_SYS_GETPEERNAME] = 3,
3628 [TARGET_SYS_SOCKETPAIR] = 4,
3629 [TARGET_SYS_SEND] = 4,
3630 [TARGET_SYS_RECV] = 4,
3631 [TARGET_SYS_SENDTO] = 6,
3632 [TARGET_SYS_RECVFROM] = 6,
3633 [TARGET_SYS_SHUTDOWN] = 2,
3634 [TARGET_SYS_SETSOCKOPT] = 5,
3635 [TARGET_SYS_GETSOCKOPT] = 5,
3636 [TARGET_SYS_SENDMSG] = 3,
3637 [TARGET_SYS_RECVMSG] = 3,
3638 [TARGET_SYS_ACCEPT4] = 4,
3639 [TARGET_SYS_RECVMMSG] = 4,
3640 [TARGET_SYS_SENDMMSG] = 4,
3641 };
3642 abi_long a[6];
3643 unsigned i;
3644
3645
3646
3647 if (num < 1 || num > TARGET_SYS_SENDMMSG) {
3648 return -TARGET_EINVAL;
3649 }
3650
3651 if (nargs[num] > ARRAY_SIZE(a)) {
3652 return -TARGET_EINVAL;
3653 }
3654
3655 for (i = 0; i < nargs[num]; ++i) {
3656 if (get_user_ual(a[i], vptr + i * sizeof(abi_long)) != 0) {
3657 return -TARGET_EFAULT;
3658 }
3659 }
3660
3661 switch (num) {
3662 case TARGET_SYS_SOCKET:
3663 return do_socket(a[0], a[1], a[2]);
3664 case TARGET_SYS_BIND:
3665 return do_bind(a[0], a[1], a[2]);
3666 case TARGET_SYS_CONNECT:
3667 return do_connect(a[0], a[1], a[2]);
3668 case TARGET_SYS_LISTEN:
3669 return get_errno(listen(a[0], a[1]));
3670 case TARGET_SYS_ACCEPT:
3671 return do_accept4(a[0], a[1], a[2], 0);
3672 case TARGET_SYS_GETSOCKNAME:
3673 return do_getsockname(a[0], a[1], a[2]);
3674 case TARGET_SYS_GETPEERNAME:
3675 return do_getpeername(a[0], a[1], a[2]);
3676 case TARGET_SYS_SOCKETPAIR:
3677 return do_socketpair(a[0], a[1], a[2], a[3]);
3678 case TARGET_SYS_SEND:
3679 return do_sendto(a[0], a[1], a[2], a[3], 0, 0);
3680 case TARGET_SYS_RECV:
3681 return do_recvfrom(a[0], a[1], a[2], a[3], 0, 0);
3682 case TARGET_SYS_SENDTO:
3683 return do_sendto(a[0], a[1], a[2], a[3], a[4], a[5]);
3684 case TARGET_SYS_RECVFROM:
3685 return do_recvfrom(a[0], a[1], a[2], a[3], a[4], a[5]);
3686 case TARGET_SYS_SHUTDOWN:
3687 return get_errno(shutdown(a[0], a[1]));
3688 case TARGET_SYS_SETSOCKOPT:
3689 return do_setsockopt(a[0], a[1], a[2], a[3], a[4]);
3690 case TARGET_SYS_GETSOCKOPT:
3691 return do_getsockopt(a[0], a[1], a[2], a[3], a[4]);
3692 case TARGET_SYS_SENDMSG:
3693 return do_sendrecvmsg(a[0], a[1], a[2], 1);
3694 case TARGET_SYS_RECVMSG:
3695 return do_sendrecvmsg(a[0], a[1], a[2], 0);
3696 case TARGET_SYS_ACCEPT4:
3697 return do_accept4(a[0], a[1], a[2], a[3]);
3698 case TARGET_SYS_RECVMMSG:
3699 return do_sendrecvmmsg(a[0], a[1], a[2], a[3], 0);
3700 case TARGET_SYS_SENDMMSG:
3701 return do_sendrecvmmsg(a[0], a[1], a[2], a[3], 1);
3702 default:
3703 qemu_log_mask(LOG_UNIMP, "Unsupported socketcall: %d\n", num);
3704 return -TARGET_EINVAL;
3705 }
3706}
3707#endif
3708
3709#define N_SHM_REGIONS 32
3710
3711static struct shm_region {
3712 abi_ulong start;
3713 abi_ulong size;
3714 bool in_use;
3715} shm_regions[N_SHM_REGIONS];
3716
3717#ifndef TARGET_SEMID64_DS
3718
3719struct target_semid64_ds
3720{
3721 struct target_ipc_perm sem_perm;
3722 abi_ulong sem_otime;
3723#if TARGET_ABI_BITS == 32
3724 abi_ulong __unused1;
3725#endif
3726 abi_ulong sem_ctime;
3727#if TARGET_ABI_BITS == 32
3728 abi_ulong __unused2;
3729#endif
3730 abi_ulong sem_nsems;
3731 abi_ulong __unused3;
3732 abi_ulong __unused4;
3733};
3734#endif
3735
3736static inline abi_long target_to_host_ipc_perm(struct ipc_perm *host_ip,
3737 abi_ulong target_addr)
3738{
3739 struct target_ipc_perm *target_ip;
3740 struct target_semid64_ds *target_sd;
3741
3742 if (!lock_user_struct(VERIFY_READ, target_sd, target_addr, 1))
3743 return -TARGET_EFAULT;
3744 target_ip = &(target_sd->sem_perm);
3745 host_ip->__key = tswap32(target_ip->__key);
3746 host_ip->uid = tswap32(target_ip->uid);
3747 host_ip->gid = tswap32(target_ip->gid);
3748 host_ip->cuid = tswap32(target_ip->cuid);
3749 host_ip->cgid = tswap32(target_ip->cgid);
3750#if defined(TARGET_ALPHA) || defined(TARGET_MIPS) || defined(TARGET_PPC)
3751 host_ip->mode = tswap32(target_ip->mode);
3752#else
3753 host_ip->mode = tswap16(target_ip->mode);
3754#endif
3755#if defined(TARGET_PPC)
3756 host_ip->__seq = tswap32(target_ip->__seq);
3757#else
3758 host_ip->__seq = tswap16(target_ip->__seq);
3759#endif
3760 unlock_user_struct(target_sd, target_addr, 0);
3761 return 0;
3762}
3763
3764static inline abi_long host_to_target_ipc_perm(abi_ulong target_addr,
3765 struct ipc_perm *host_ip)
3766{
3767 struct target_ipc_perm *target_ip;
3768 struct target_semid64_ds *target_sd;
3769
3770 if (!lock_user_struct(VERIFY_WRITE, target_sd, target_addr, 0))
3771 return -TARGET_EFAULT;
3772 target_ip = &(target_sd->sem_perm);
3773 target_ip->__key = tswap32(host_ip->__key);
3774 target_ip->uid = tswap32(host_ip->uid);
3775 target_ip->gid = tswap32(host_ip->gid);
3776 target_ip->cuid = tswap32(host_ip->cuid);
3777 target_ip->cgid = tswap32(host_ip->cgid);
3778#if defined(TARGET_ALPHA) || defined(TARGET_MIPS) || defined(TARGET_PPC)
3779 target_ip->mode = tswap32(host_ip->mode);
3780#else
3781 target_ip->mode = tswap16(host_ip->mode);
3782#endif
3783#if defined(TARGET_PPC)
3784 target_ip->__seq = tswap32(host_ip->__seq);
3785#else
3786 target_ip->__seq = tswap16(host_ip->__seq);
3787#endif
3788 unlock_user_struct(target_sd, target_addr, 1);
3789 return 0;
3790}
3791
3792static inline abi_long target_to_host_semid_ds(struct semid_ds *host_sd,
3793 abi_ulong target_addr)
3794{
3795 struct target_semid64_ds *target_sd;
3796
3797 if (!lock_user_struct(VERIFY_READ, target_sd, target_addr, 1))
3798 return -TARGET_EFAULT;
3799 if (target_to_host_ipc_perm(&(host_sd->sem_perm),target_addr))
3800 return -TARGET_EFAULT;
3801 host_sd->sem_nsems = tswapal(target_sd->sem_nsems);
3802 host_sd->sem_otime = tswapal(target_sd->sem_otime);
3803 host_sd->sem_ctime = tswapal(target_sd->sem_ctime);
3804 unlock_user_struct(target_sd, target_addr, 0);
3805 return 0;
3806}
3807
3808static inline abi_long host_to_target_semid_ds(abi_ulong target_addr,
3809 struct semid_ds *host_sd)
3810{
3811 struct target_semid64_ds *target_sd;
3812
3813 if (!lock_user_struct(VERIFY_WRITE, target_sd, target_addr, 0))
3814 return -TARGET_EFAULT;
3815 if (host_to_target_ipc_perm(target_addr,&(host_sd->sem_perm)))
3816 return -TARGET_EFAULT;
3817 target_sd->sem_nsems = tswapal(host_sd->sem_nsems);
3818 target_sd->sem_otime = tswapal(host_sd->sem_otime);
3819 target_sd->sem_ctime = tswapal(host_sd->sem_ctime);
3820 unlock_user_struct(target_sd, target_addr, 1);
3821 return 0;
3822}
3823
3824struct target_seminfo {
3825 int semmap;
3826 int semmni;
3827 int semmns;
3828 int semmnu;
3829 int semmsl;
3830 int semopm;
3831 int semume;
3832 int semusz;
3833 int semvmx;
3834 int semaem;
3835};
3836
3837static inline abi_long host_to_target_seminfo(abi_ulong target_addr,
3838 struct seminfo *host_seminfo)
3839{
3840 struct target_seminfo *target_seminfo;
3841 if (!lock_user_struct(VERIFY_WRITE, target_seminfo, target_addr, 0))
3842 return -TARGET_EFAULT;
3843 __put_user(host_seminfo->semmap, &target_seminfo->semmap);
3844 __put_user(host_seminfo->semmni, &target_seminfo->semmni);
3845 __put_user(host_seminfo->semmns, &target_seminfo->semmns);
3846 __put_user(host_seminfo->semmnu, &target_seminfo->semmnu);
3847 __put_user(host_seminfo->semmsl, &target_seminfo->semmsl);
3848 __put_user(host_seminfo->semopm, &target_seminfo->semopm);
3849 __put_user(host_seminfo->semume, &target_seminfo->semume);
3850 __put_user(host_seminfo->semusz, &target_seminfo->semusz);
3851 __put_user(host_seminfo->semvmx, &target_seminfo->semvmx);
3852 __put_user(host_seminfo->semaem, &target_seminfo->semaem);
3853 unlock_user_struct(target_seminfo, target_addr, 1);
3854 return 0;
3855}
3856
3857union semun {
3858 int val;
3859 struct semid_ds *buf;
3860 unsigned short *array;
3861 struct seminfo *__buf;
3862};
3863
3864union target_semun {
3865 int val;
3866 abi_ulong buf;
3867 abi_ulong array;
3868 abi_ulong __buf;
3869};
3870
3871static inline abi_long target_to_host_semarray(int semid, unsigned short **host_array,
3872 abi_ulong target_addr)
3873{
3874 int nsems;
3875 unsigned short *array;
3876 union semun semun;
3877 struct semid_ds semid_ds;
3878 int i, ret;
3879
3880 semun.buf = &semid_ds;
3881
3882 ret = semctl(semid, 0, IPC_STAT, semun);
3883 if (ret == -1)
3884 return get_errno(ret);
3885
3886 nsems = semid_ds.sem_nsems;
3887
3888 *host_array = g_try_new(unsigned short, nsems);
3889 if (!*host_array) {
3890 return -TARGET_ENOMEM;
3891 }
3892 array = lock_user(VERIFY_READ, target_addr,
3893 nsems*sizeof(unsigned short), 1);
3894 if (!array) {
3895 g_free(*host_array);
3896 return -TARGET_EFAULT;
3897 }
3898
3899 for(i=0; i<nsems; i++) {
3900 __get_user((*host_array)[i], &array[i]);
3901 }
3902 unlock_user(array, target_addr, 0);
3903
3904 return 0;
3905}
3906
3907static inline abi_long host_to_target_semarray(int semid, abi_ulong target_addr,
3908 unsigned short **host_array)
3909{
3910 int nsems;
3911 unsigned short *array;
3912 union semun semun;
3913 struct semid_ds semid_ds;
3914 int i, ret;
3915
3916 semun.buf = &semid_ds;
3917
3918 ret = semctl(semid, 0, IPC_STAT, semun);
3919 if (ret == -1)
3920 return get_errno(ret);
3921
3922 nsems = semid_ds.sem_nsems;
3923
3924 array = lock_user(VERIFY_WRITE, target_addr,
3925 nsems*sizeof(unsigned short), 0);
3926 if (!array)
3927 return -TARGET_EFAULT;
3928
3929 for(i=0; i<nsems; i++) {
3930 __put_user((*host_array)[i], &array[i]);
3931 }
3932 g_free(*host_array);
3933 unlock_user(array, target_addr, 1);
3934
3935 return 0;
3936}
3937
3938static inline abi_long do_semctl(int semid, int semnum, int cmd,
3939 abi_ulong target_arg)
3940{
3941 union target_semun target_su = { .buf = target_arg };
3942 union semun arg;
3943 struct semid_ds dsarg;
3944 unsigned short *array = NULL;
3945 struct seminfo seminfo;
3946 abi_long ret = -TARGET_EINVAL;
3947 abi_long err;
3948 cmd &= 0xff;
3949
3950 switch( cmd ) {
3951 case GETVAL:
3952 case SETVAL:
3953
3954
3955
3956
3957
3958 if (sizeof(target_su.val) != (sizeof(target_su.buf))) {
3959 target_su.buf = tswapal(target_su.buf);
3960 arg.val = tswap32(target_su.val);
3961 } else {
3962 arg.val = target_su.val;
3963 }
3964 ret = get_errno(semctl(semid, semnum, cmd, arg));
3965 break;
3966 case GETALL:
3967 case SETALL:
3968 err = target_to_host_semarray(semid, &array, target_su.array);
3969 if (err)
3970 return err;
3971 arg.array = array;
3972 ret = get_errno(semctl(semid, semnum, cmd, arg));
3973 err = host_to_target_semarray(semid, target_su.array, &array);
3974 if (err)
3975 return err;
3976 break;
3977 case IPC_STAT:
3978 case IPC_SET:
3979 case SEM_STAT:
3980 err = target_to_host_semid_ds(&dsarg, target_su.buf);
3981 if (err)
3982 return err;
3983 arg.buf = &dsarg;
3984 ret = get_errno(semctl(semid, semnum, cmd, arg));
3985 err = host_to_target_semid_ds(target_su.buf, &dsarg);
3986 if (err)
3987 return err;
3988 break;
3989 case IPC_INFO:
3990 case SEM_INFO:
3991 arg.__buf = &seminfo;
3992 ret = get_errno(semctl(semid, semnum, cmd, arg));
3993 err = host_to_target_seminfo(target_su.__buf, &seminfo);
3994 if (err)
3995 return err;
3996 break;
3997 case IPC_RMID:
3998 case GETPID:
3999 case GETNCNT:
4000 case GETZCNT:
4001 ret = get_errno(semctl(semid, semnum, cmd, NULL));
4002 break;
4003 }
4004
4005 return ret;
4006}
4007
4008struct target_sembuf {
4009 unsigned short sem_num;
4010 short sem_op;
4011 short sem_flg;
4012};
4013
4014static inline abi_long target_to_host_sembuf(struct sembuf *host_sembuf,
4015 abi_ulong target_addr,
4016 unsigned nsops)
4017{
4018 struct target_sembuf *target_sembuf;
4019 int i;
4020
4021 target_sembuf = lock_user(VERIFY_READ, target_addr,
4022 nsops*sizeof(struct target_sembuf), 1);
4023 if (!target_sembuf)
4024 return -TARGET_EFAULT;
4025
4026 for(i=0; i<nsops; i++) {
4027 __get_user(host_sembuf[i].sem_num, &target_sembuf[i].sem_num);
4028 __get_user(host_sembuf[i].sem_op, &target_sembuf[i].sem_op);
4029 __get_user(host_sembuf[i].sem_flg, &target_sembuf[i].sem_flg);
4030 }
4031
4032 unlock_user(target_sembuf, target_addr, 0);
4033
4034 return 0;
4035}
4036
4037#if defined(TARGET_NR_ipc) || defined(TARGET_NR_semop) || \
4038 defined(TARGET_NR_semtimedop) || defined(TARGET_NR_semtimedop_time64)
4039
4040
4041
4042
4043
4044#ifdef __s390x__
4045#define SEMTIMEDOP_IPC_ARGS(__nsops, __sops, __timeout) \
4046 (__nsops), (__timeout), (__sops)
4047#else
4048#define SEMTIMEDOP_IPC_ARGS(__nsops, __sops, __timeout) \
4049 (__nsops), 0, (__sops), (__timeout)
4050#endif
4051
4052static inline abi_long do_semtimedop(int semid,
4053 abi_long ptr,
4054 unsigned nsops,
4055 abi_long timeout, bool time64)
4056{
4057 struct sembuf *sops;
4058 struct timespec ts, *pts = NULL;
4059 abi_long ret;
4060
4061 if (timeout) {
4062 pts = &ts;
4063 if (time64) {
4064 if (target_to_host_timespec64(pts, timeout)) {
4065 return -TARGET_EFAULT;
4066 }
4067 } else {
4068 if (target_to_host_timespec(pts, timeout)) {
4069 return -TARGET_EFAULT;
4070 }
4071 }
4072 }
4073
4074 if (nsops > TARGET_SEMOPM) {
4075 return -TARGET_E2BIG;
4076 }
4077
4078 sops = g_new(struct sembuf, nsops);
4079
4080 if (target_to_host_sembuf(sops, ptr, nsops)) {
4081 g_free(sops);
4082 return -TARGET_EFAULT;
4083 }
4084
4085 ret = -TARGET_ENOSYS;
4086#ifdef __NR_semtimedop
4087 ret = get_errno(safe_semtimedop(semid, sops, nsops, pts));
4088#endif
4089#ifdef __NR_ipc
4090 if (ret == -TARGET_ENOSYS) {
4091 ret = get_errno(safe_ipc(IPCOP_semtimedop, semid,
4092 SEMTIMEDOP_IPC_ARGS(nsops, sops, (long)pts)));
4093 }
4094#endif
4095 g_free(sops);
4096 return ret;
4097}
4098#endif
4099
4100struct target_msqid_ds
4101{
4102 struct target_ipc_perm msg_perm;
4103 abi_ulong msg_stime;
4104#if TARGET_ABI_BITS == 32
4105 abi_ulong __unused1;
4106#endif
4107 abi_ulong msg_rtime;
4108#if TARGET_ABI_BITS == 32
4109 abi_ulong __unused2;
4110#endif
4111 abi_ulong msg_ctime;
4112#if TARGET_ABI_BITS == 32
4113 abi_ulong __unused3;
4114#endif
4115 abi_ulong __msg_cbytes;
4116 abi_ulong msg_qnum;
4117 abi_ulong msg_qbytes;
4118 abi_ulong msg_lspid;
4119 abi_ulong msg_lrpid;
4120 abi_ulong __unused4;
4121 abi_ulong __unused5;
4122};
4123
4124static inline abi_long target_to_host_msqid_ds(struct msqid_ds *host_md,
4125 abi_ulong target_addr)
4126{
4127 struct target_msqid_ds *target_md;
4128
4129 if (!lock_user_struct(VERIFY_READ, target_md, target_addr, 1))
4130 return -TARGET_EFAULT;
4131 if (target_to_host_ipc_perm(&(host_md->msg_perm),target_addr))
4132 return -TARGET_EFAULT;
4133 host_md->msg_stime = tswapal(target_md->msg_stime);
4134 host_md->msg_rtime = tswapal(target_md->msg_rtime);
4135 host_md->msg_ctime = tswapal(target_md->msg_ctime);
4136 host_md->__msg_cbytes = tswapal(target_md->__msg_cbytes);
4137 host_md->msg_qnum = tswapal(target_md->msg_qnum);
4138 host_md->msg_qbytes = tswapal(target_md->msg_qbytes);
4139 host_md->msg_lspid = tswapal(target_md->msg_lspid);
4140 host_md->msg_lrpid = tswapal(target_md->msg_lrpid);
4141 unlock_user_struct(target_md, target_addr, 0);
4142 return 0;
4143}
4144
4145static inline abi_long host_to_target_msqid_ds(abi_ulong target_addr,
4146 struct msqid_ds *host_md)
4147{
4148 struct target_msqid_ds *target_md;
4149
4150 if (!lock_user_struct(VERIFY_WRITE, target_md, target_addr, 0))
4151 return -TARGET_EFAULT;
4152 if (host_to_target_ipc_perm(target_addr,&(host_md->msg_perm)))
4153 return -TARGET_EFAULT;
4154 target_md->msg_stime = tswapal(host_md->msg_stime);
4155 target_md->msg_rtime = tswapal(host_md->msg_rtime);
4156 target_md->msg_ctime = tswapal(host_md->msg_ctime);
4157 target_md->__msg_cbytes = tswapal(host_md->__msg_cbytes);
4158 target_md->msg_qnum = tswapal(host_md->msg_qnum);
4159 target_md->msg_qbytes = tswapal(host_md->msg_qbytes);
4160 target_md->msg_lspid = tswapal(host_md->msg_lspid);
4161 target_md->msg_lrpid = tswapal(host_md->msg_lrpid);
4162 unlock_user_struct(target_md, target_addr, 1);
4163 return 0;
4164}
4165
4166struct target_msginfo {
4167 int msgpool;
4168 int msgmap;
4169 int msgmax;
4170 int msgmnb;
4171 int msgmni;
4172 int msgssz;
4173 int msgtql;
4174 unsigned short int msgseg;
4175};
4176
4177static inline abi_long host_to_target_msginfo(abi_ulong target_addr,
4178 struct msginfo *host_msginfo)
4179{
4180 struct target_msginfo *target_msginfo;
4181 if (!lock_user_struct(VERIFY_WRITE, target_msginfo, target_addr, 0))
4182 return -TARGET_EFAULT;
4183 __put_user(host_msginfo->msgpool, &target_msginfo->msgpool);
4184 __put_user(host_msginfo->msgmap, &target_msginfo->msgmap);
4185 __put_user(host_msginfo->msgmax, &target_msginfo->msgmax);
4186 __put_user(host_msginfo->msgmnb, &target_msginfo->msgmnb);
4187 __put_user(host_msginfo->msgmni, &target_msginfo->msgmni);
4188 __put_user(host_msginfo->msgssz, &target_msginfo->msgssz);
4189 __put_user(host_msginfo->msgtql, &target_msginfo->msgtql);
4190 __put_user(host_msginfo->msgseg, &target_msginfo->msgseg);
4191 unlock_user_struct(target_msginfo, target_addr, 1);
4192 return 0;
4193}
4194
4195static inline abi_long do_msgctl(int msgid, int cmd, abi_long ptr)
4196{
4197 struct msqid_ds dsarg;
4198 struct msginfo msginfo;
4199 abi_long ret = -TARGET_EINVAL;
4200
4201 cmd &= 0xff;
4202
4203 switch (cmd) {
4204 case IPC_STAT:
4205 case IPC_SET:
4206 case MSG_STAT:
4207 if (target_to_host_msqid_ds(&dsarg,ptr))
4208 return -TARGET_EFAULT;
4209 ret = get_errno(msgctl(msgid, cmd, &dsarg));
4210 if (host_to_target_msqid_ds(ptr,&dsarg))
4211 return -TARGET_EFAULT;
4212 break;
4213 case IPC_RMID:
4214 ret = get_errno(msgctl(msgid, cmd, NULL));
4215 break;
4216 case IPC_INFO:
4217 case MSG_INFO:
4218 ret = get_errno(msgctl(msgid, cmd, (struct msqid_ds *)&msginfo));
4219 if (host_to_target_msginfo(ptr, &msginfo))
4220 return -TARGET_EFAULT;
4221 break;
4222 }
4223
4224 return ret;
4225}
4226
4227struct target_msgbuf {
4228 abi_long mtype;
4229 char mtext[1];
4230};
4231
4232static inline abi_long do_msgsnd(int msqid, abi_long msgp,
4233 ssize_t msgsz, int msgflg)
4234{
4235 struct target_msgbuf *target_mb;
4236 struct msgbuf *host_mb;
4237 abi_long ret = 0;
4238
4239 if (msgsz < 0) {
4240 return -TARGET_EINVAL;
4241 }
4242
4243 if (!lock_user_struct(VERIFY_READ, target_mb, msgp, 0))
4244 return -TARGET_EFAULT;
4245 host_mb = g_try_malloc(msgsz + sizeof(long));
4246 if (!host_mb) {
4247 unlock_user_struct(target_mb, msgp, 0);
4248 return -TARGET_ENOMEM;
4249 }
4250 host_mb->mtype = (abi_long) tswapal(target_mb->mtype);
4251 memcpy(host_mb->mtext, target_mb->mtext, msgsz);
4252 ret = -TARGET_ENOSYS;
4253#ifdef __NR_msgsnd
4254 ret = get_errno(safe_msgsnd(msqid, host_mb, msgsz, msgflg));
4255#endif
4256#ifdef __NR_ipc
4257 if (ret == -TARGET_ENOSYS) {
4258#ifdef __s390x__
4259 ret = get_errno(safe_ipc(IPCOP_msgsnd, msqid, msgsz, msgflg,
4260 host_mb));
4261#else
4262 ret = get_errno(safe_ipc(IPCOP_msgsnd, msqid, msgsz, msgflg,
4263 host_mb, 0));
4264#endif
4265 }
4266#endif
4267 g_free(host_mb);
4268 unlock_user_struct(target_mb, msgp, 0);
4269
4270 return ret;
4271}
4272
4273#ifdef __NR_ipc
4274#if defined(__sparc__)
4275
4276#define MSGRCV_ARGS(__msgp, __msgtyp) __msgp, __msgtyp
4277#elif defined(__s390x__)
4278
4279#define MSGRCV_ARGS(__msgp, __msgtyp) \
4280 ((long int[]){(long int)__msgp, __msgtyp})
4281#else
4282#define MSGRCV_ARGS(__msgp, __msgtyp) \
4283 ((long int[]){(long int)__msgp, __msgtyp}), 0
4284#endif
4285#endif
4286
4287static inline abi_long do_msgrcv(int msqid, abi_long msgp,
4288 ssize_t msgsz, abi_long msgtyp,
4289 int msgflg)
4290{
4291 struct target_msgbuf *target_mb;
4292 char *target_mtext;
4293 struct msgbuf *host_mb;
4294 abi_long ret = 0;
4295
4296 if (msgsz < 0) {
4297 return -TARGET_EINVAL;
4298 }
4299
4300 if (!lock_user_struct(VERIFY_WRITE, target_mb, msgp, 0))
4301 return -TARGET_EFAULT;
4302
4303 host_mb = g_try_malloc(msgsz + sizeof(long));
4304 if (!host_mb) {
4305 ret = -TARGET_ENOMEM;
4306 goto end;
4307 }
4308 ret = -TARGET_ENOSYS;
4309#ifdef __NR_msgrcv
4310 ret = get_errno(safe_msgrcv(msqid, host_mb, msgsz, msgtyp, msgflg));
4311#endif
4312#ifdef __NR_ipc
4313 if (ret == -TARGET_ENOSYS) {
4314 ret = get_errno(safe_ipc(IPCOP_CALL(1, IPCOP_msgrcv), msqid, msgsz,
4315 msgflg, MSGRCV_ARGS(host_mb, msgtyp)));
4316 }
4317#endif
4318
4319 if (ret > 0) {
4320 abi_ulong target_mtext_addr = msgp + sizeof(abi_ulong);
4321 target_mtext = lock_user(VERIFY_WRITE, target_mtext_addr, ret, 0);
4322 if (!target_mtext) {
4323 ret = -TARGET_EFAULT;
4324 goto end;
4325 }
4326 memcpy(target_mb->mtext, host_mb->mtext, ret);
4327 unlock_user(target_mtext, target_mtext_addr, ret);
4328 }
4329
4330 target_mb->mtype = tswapal(host_mb->mtype);
4331
4332end:
4333 if (target_mb)
4334 unlock_user_struct(target_mb, msgp, 1);
4335 g_free(host_mb);
4336 return ret;
4337}
4338
4339static inline abi_long target_to_host_shmid_ds(struct shmid_ds *host_sd,
4340 abi_ulong target_addr)
4341{
4342 struct target_shmid_ds *target_sd;
4343
4344 if (!lock_user_struct(VERIFY_READ, target_sd, target_addr, 1))
4345 return -TARGET_EFAULT;
4346 if (target_to_host_ipc_perm(&(host_sd->shm_perm), target_addr))
4347 return -TARGET_EFAULT;
4348 __get_user(host_sd->shm_segsz, &target_sd->shm_segsz);
4349 __get_user(host_sd->shm_atime, &target_sd->shm_atime);
4350 __get_user(host_sd->shm_dtime, &target_sd->shm_dtime);
4351 __get_user(host_sd->shm_ctime, &target_sd->shm_ctime);
4352 __get_user(host_sd->shm_cpid, &target_sd->shm_cpid);
4353 __get_user(host_sd->shm_lpid, &target_sd->shm_lpid);
4354 __get_user(host_sd->shm_nattch, &target_sd->shm_nattch);
4355 unlock_user_struct(target_sd, target_addr, 0);
4356 return 0;
4357}
4358
4359static inline abi_long host_to_target_shmid_ds(abi_ulong target_addr,
4360 struct shmid_ds *host_sd)
4361{
4362 struct target_shmid_ds *target_sd;
4363
4364 if (!lock_user_struct(VERIFY_WRITE, target_sd, target_addr, 0))
4365 return -TARGET_EFAULT;
4366 if (host_to_target_ipc_perm(target_addr, &(host_sd->shm_perm)))
4367 return -TARGET_EFAULT;
4368 __put_user(host_sd->shm_segsz, &target_sd->shm_segsz);
4369 __put_user(host_sd->shm_atime, &target_sd->shm_atime);
4370 __put_user(host_sd->shm_dtime, &target_sd->shm_dtime);
4371 __put_user(host_sd->shm_ctime, &target_sd->shm_ctime);
4372 __put_user(host_sd->shm_cpid, &target_sd->shm_cpid);
4373 __put_user(host_sd->shm_lpid, &target_sd->shm_lpid);
4374 __put_user(host_sd->shm_nattch, &target_sd->shm_nattch);
4375 unlock_user_struct(target_sd, target_addr, 1);
4376 return 0;
4377}
4378
4379struct target_shminfo {
4380 abi_ulong shmmax;
4381 abi_ulong shmmin;
4382 abi_ulong shmmni;
4383 abi_ulong shmseg;
4384 abi_ulong shmall;
4385};
4386
4387static inline abi_long host_to_target_shminfo(abi_ulong target_addr,
4388 struct shminfo *host_shminfo)
4389{
4390 struct target_shminfo *target_shminfo;
4391 if (!lock_user_struct(VERIFY_WRITE, target_shminfo, target_addr, 0))
4392 return -TARGET_EFAULT;
4393 __put_user(host_shminfo->shmmax, &target_shminfo->shmmax);
4394 __put_user(host_shminfo->shmmin, &target_shminfo->shmmin);
4395 __put_user(host_shminfo->shmmni, &target_shminfo->shmmni);
4396 __put_user(host_shminfo->shmseg, &target_shminfo->shmseg);
4397 __put_user(host_shminfo->shmall, &target_shminfo->shmall);
4398 unlock_user_struct(target_shminfo, target_addr, 1);
4399 return 0;
4400}
4401
4402struct target_shm_info {
4403 int used_ids;
4404 abi_ulong shm_tot;
4405 abi_ulong shm_rss;
4406 abi_ulong shm_swp;
4407 abi_ulong swap_attempts;
4408 abi_ulong swap_successes;
4409};
4410
4411static inline abi_long host_to_target_shm_info(abi_ulong target_addr,
4412 struct shm_info *host_shm_info)
4413{
4414 struct target_shm_info *target_shm_info;
4415 if (!lock_user_struct(VERIFY_WRITE, target_shm_info, target_addr, 0))
4416 return -TARGET_EFAULT;
4417 __put_user(host_shm_info->used_ids, &target_shm_info->used_ids);
4418 __put_user(host_shm_info->shm_tot, &target_shm_info->shm_tot);
4419 __put_user(host_shm_info->shm_rss, &target_shm_info->shm_rss);
4420 __put_user(host_shm_info->shm_swp, &target_shm_info->shm_swp);
4421 __put_user(host_shm_info->swap_attempts, &target_shm_info->swap_attempts);
4422 __put_user(host_shm_info->swap_successes, &target_shm_info->swap_successes);
4423 unlock_user_struct(target_shm_info, target_addr, 1);
4424 return 0;
4425}
4426
4427static inline abi_long do_shmctl(int shmid, int cmd, abi_long buf)
4428{
4429 struct shmid_ds dsarg;
4430 struct shminfo shminfo;
4431 struct shm_info shm_info;
4432 abi_long ret = -TARGET_EINVAL;
4433
4434 cmd &= 0xff;
4435
4436 switch(cmd) {
4437 case IPC_STAT:
4438 case IPC_SET:
4439 case SHM_STAT:
4440 if (target_to_host_shmid_ds(&dsarg, buf))
4441 return -TARGET_EFAULT;
4442 ret = get_errno(shmctl(shmid, cmd, &dsarg));
4443 if (host_to_target_shmid_ds(buf, &dsarg))
4444 return -TARGET_EFAULT;
4445 break;
4446 case IPC_INFO:
4447 ret = get_errno(shmctl(shmid, cmd, (struct shmid_ds *)&shminfo));
4448 if (host_to_target_shminfo(buf, &shminfo))
4449 return -TARGET_EFAULT;
4450 break;
4451 case SHM_INFO:
4452 ret = get_errno(shmctl(shmid, cmd, (struct shmid_ds *)&shm_info));
4453 if (host_to_target_shm_info(buf, &shm_info))
4454 return -TARGET_EFAULT;
4455 break;
4456 case IPC_RMID:
4457 case SHM_LOCK:
4458 case SHM_UNLOCK:
4459 ret = get_errno(shmctl(shmid, cmd, NULL));
4460 break;
4461 }
4462
4463 return ret;
4464}
4465
4466#ifndef TARGET_FORCE_SHMLBA
4467
4468
4469
4470
4471
4472
4473
4474
4475
4476
4477
4478
4479
4480static inline abi_ulong target_shmlba(CPUArchState *cpu_env)
4481{
4482 return TARGET_PAGE_SIZE;
4483}
4484#endif
4485
4486static inline abi_ulong do_shmat(CPUArchState *cpu_env,
4487 int shmid, abi_ulong shmaddr, int shmflg)
4488{
4489 CPUState *cpu = env_cpu(cpu_env);
4490 abi_long raddr;
4491 void *host_raddr;
4492 struct shmid_ds shm_info;
4493 int i,ret;
4494 abi_ulong shmlba;
4495
4496
4497
4498
4499 ret = get_errno(shmctl(shmid, IPC_STAT, &shm_info));
4500 if (is_error(ret)) {
4501
4502 return ret;
4503 }
4504
4505 shmlba = target_shmlba(cpu_env);
4506
4507 if (shmaddr & (shmlba - 1)) {
4508 if (shmflg & SHM_RND) {
4509 shmaddr &= ~(shmlba - 1);
4510 } else {
4511 return -TARGET_EINVAL;
4512 }
4513 }
4514 if (!guest_range_valid_untagged(shmaddr, shm_info.shm_segsz)) {
4515 return -TARGET_EINVAL;
4516 }
4517
4518 mmap_lock();
4519
4520
4521
4522
4523
4524
4525
4526 if (!(cpu->tcg_cflags & CF_PARALLEL)) {
4527 cpu->tcg_cflags |= CF_PARALLEL;
4528 tb_flush(cpu);
4529 }
4530
4531 if (shmaddr)
4532 host_raddr = shmat(shmid, (void *)g2h_untagged(shmaddr), shmflg);
4533 else {
4534 abi_ulong mmap_start;
4535
4536
4537 mmap_start = mmap_find_vma(0, shm_info.shm_segsz, MAX(SHMLBA, shmlba));
4538
4539 if (mmap_start == -1) {
4540 errno = ENOMEM;
4541 host_raddr = (void *)-1;
4542 } else
4543 host_raddr = shmat(shmid, g2h_untagged(mmap_start),
4544 shmflg | SHM_REMAP);
4545 }
4546
4547 if (host_raddr == (void *)-1) {
4548 mmap_unlock();
4549 return get_errno((long)host_raddr);
4550 }
4551 raddr=h2g((unsigned long)host_raddr);
4552
4553 page_set_flags(raddr, raddr + shm_info.shm_segsz,
4554 PAGE_VALID | PAGE_RESET | PAGE_READ |
4555 (shmflg & SHM_RDONLY ? 0 : PAGE_WRITE));
4556
4557 for (i = 0; i < N_SHM_REGIONS; i++) {
4558 if (!shm_regions[i].in_use) {
4559 shm_regions[i].in_use = true;
4560 shm_regions[i].start = raddr;
4561 shm_regions[i].size = shm_info.shm_segsz;
4562 break;
4563 }
4564 }
4565
4566 mmap_unlock();
4567 return raddr;
4568
4569}
4570
4571static inline abi_long do_shmdt(abi_ulong shmaddr)
4572{
4573 int i;
4574 abi_long rv;
4575
4576
4577
4578 mmap_lock();
4579
4580 for (i = 0; i < N_SHM_REGIONS; ++i) {
4581 if (shm_regions[i].in_use && shm_regions[i].start == shmaddr) {
4582 shm_regions[i].in_use = false;
4583 page_set_flags(shmaddr, shmaddr + shm_regions[i].size, 0);
4584 break;
4585 }
4586 }
4587 rv = get_errno(shmdt(g2h_untagged(shmaddr)));
4588
4589 mmap_unlock();
4590
4591 return rv;
4592}
4593
4594#ifdef TARGET_NR_ipc
4595
4596
4597static abi_long do_ipc(CPUArchState *cpu_env,
4598 unsigned int call, abi_long first,
4599 abi_long second, abi_long third,
4600 abi_long ptr, abi_long fifth)
4601{
4602 int version;
4603 abi_long ret = 0;
4604
4605 version = call >> 16;
4606 call &= 0xffff;
4607
4608 switch (call) {
4609 case IPCOP_semop:
4610 ret = do_semtimedop(first, ptr, second, 0, false);
4611 break;
4612 case IPCOP_semtimedop:
4613
4614
4615
4616
4617
4618
4619#if defined(TARGET_S390X)
4620 ret = do_semtimedop(first, ptr, second, third, TARGET_ABI_BITS == 64);
4621#else
4622 ret = do_semtimedop(first, ptr, second, fifth, TARGET_ABI_BITS == 64);
4623#endif
4624 break;
4625
4626 case IPCOP_semget:
4627 ret = get_errno(semget(first, second, third));
4628 break;
4629
4630 case IPCOP_semctl: {
4631
4632
4633 abi_ulong atptr;
4634 get_user_ual(atptr, ptr);
4635 ret = do_semctl(first, second, third, atptr);
4636 break;
4637 }
4638
4639 case IPCOP_msgget:
4640 ret = get_errno(msgget(first, second));
4641 break;
4642
4643 case IPCOP_msgsnd:
4644 ret = do_msgsnd(first, ptr, second, third);
4645 break;
4646
4647 case IPCOP_msgctl:
4648 ret = do_msgctl(first, second, ptr);
4649 break;
4650
4651 case IPCOP_msgrcv:
4652 switch (version) {
4653 case 0:
4654 {
4655 struct target_ipc_kludge {
4656 abi_long msgp;
4657 abi_long msgtyp;
4658 } *tmp;
4659
4660 if (!lock_user_struct(VERIFY_READ, tmp, ptr, 1)) {
4661 ret = -TARGET_EFAULT;
4662 break;
4663 }
4664
4665 ret = do_msgrcv(first, tswapal(tmp->msgp), second, tswapal(tmp->msgtyp), third);
4666
4667 unlock_user_struct(tmp, ptr, 0);
4668 break;
4669 }
4670 default:
4671 ret = do_msgrcv(first, ptr, second, fifth, third);
4672 }
4673 break;
4674
4675 case IPCOP_shmat:
4676 switch (version) {
4677 default:
4678 {
4679 abi_ulong raddr;
4680 raddr = do_shmat(cpu_env, first, ptr, second);
4681 if (is_error(raddr))
4682 return get_errno(raddr);
4683 if (put_user_ual(raddr, third))
4684 return -TARGET_EFAULT;
4685 break;
4686 }
4687 case 1:
4688 ret = -TARGET_EINVAL;
4689 break;
4690 }
4691 break;
4692 case IPCOP_shmdt:
4693 ret = do_shmdt(ptr);
4694 break;
4695
4696 case IPCOP_shmget:
4697
4698 ret = get_errno(shmget(first, second, third));
4699 break;
4700
4701
4702 case IPCOP_shmctl:
4703 ret = do_shmctl(first, second, ptr);
4704 break;
4705 default:
4706 qemu_log_mask(LOG_UNIMP, "Unsupported ipc call: %d (version %d)\n",
4707 call, version);
4708 ret = -TARGET_ENOSYS;
4709 break;
4710 }
4711 return ret;
4712}
4713#endif
4714
4715
4716
4717#define STRUCT(name, ...) STRUCT_ ## name,
4718#define STRUCT_SPECIAL(name) STRUCT_ ## name,
4719enum {
4720#include "syscall_types.h"
4721STRUCT_MAX
4722};
4723#undef STRUCT
4724#undef STRUCT_SPECIAL
4725
4726#define STRUCT(name, ...) static const argtype struct_ ## name ## _def[] = { __VA_ARGS__, TYPE_NULL };
4727#define STRUCT_SPECIAL(name)
4728#include "syscall_types.h"
4729#undef STRUCT
4730#undef STRUCT_SPECIAL
4731
4732#define MAX_STRUCT_SIZE 4096
4733
4734#ifdef CONFIG_FIEMAP
4735
4736
4737
4738
4739#define FIEMAP_MAX_EXTENTS ((UINT_MAX - sizeof(struct fiemap)) \
4740 / sizeof(struct fiemap_extent))
4741
4742static abi_long do_ioctl_fs_ioc_fiemap(const IOCTLEntry *ie, uint8_t *buf_temp,
4743 int fd, int cmd, abi_long arg)
4744{
4745
4746
4747
4748
4749
4750 int target_size_in, target_size_out;
4751 struct fiemap *fm;
4752 const argtype *arg_type = ie->arg_type;
4753 const argtype extent_arg_type[] = { MK_STRUCT(STRUCT_fiemap_extent) };
4754 void *argptr, *p;
4755 abi_long ret;
4756 int i, extent_size = thunk_type_size(extent_arg_type, 0);
4757 uint32_t outbufsz;
4758 int free_fm = 0;
4759
4760 assert(arg_type[0] == TYPE_PTR);
4761 assert(ie->access == IOC_RW);
4762 arg_type++;
4763 target_size_in = thunk_type_size(arg_type, 0);
4764 argptr = lock_user(VERIFY_READ, arg, target_size_in, 1);
4765 if (!argptr) {
4766 return -TARGET_EFAULT;
4767 }
4768 thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST);
4769 unlock_user(argptr, arg, 0);
4770 fm = (struct fiemap *)buf_temp;
4771 if (fm->fm_extent_count > FIEMAP_MAX_EXTENTS) {
4772 return -TARGET_EINVAL;
4773 }
4774
4775 outbufsz = sizeof (*fm) +
4776 (sizeof(struct fiemap_extent) * fm->fm_extent_count);
4777
4778 if (outbufsz > MAX_STRUCT_SIZE) {
4779
4780
4781
4782 fm = g_try_malloc(outbufsz);
4783 if (!fm) {
4784 return -TARGET_ENOMEM;
4785 }
4786 memcpy(fm, buf_temp, sizeof(struct fiemap));
4787 free_fm = 1;
4788 }
4789 ret = get_errno(safe_ioctl(fd, ie->host_cmd, fm));
4790 if (!is_error(ret)) {
4791 target_size_out = target_size_in;
4792
4793
4794
4795 if (fm->fm_extent_count != 0) {
4796 target_size_out += fm->fm_mapped_extents * extent_size;
4797 }
4798 argptr = lock_user(VERIFY_WRITE, arg, target_size_out, 0);
4799 if (!argptr) {
4800 ret = -TARGET_EFAULT;
4801 } else {
4802
4803 thunk_convert(argptr, fm, arg_type, THUNK_TARGET);
4804 if (fm->fm_extent_count != 0) {
4805 p = argptr + target_size_in;
4806
4807 for (i = 0; i < fm->fm_mapped_extents; i++) {
4808 thunk_convert(p, &fm->fm_extents[i], extent_arg_type,
4809 THUNK_TARGET);
4810 p += extent_size;
4811 }
4812 }
4813 unlock_user(argptr, arg, target_size_out);
4814 }
4815 }
4816 if (free_fm) {
4817 g_free(fm);
4818 }
4819 return ret;
4820}
4821#endif
4822
4823static abi_long do_ioctl_ifconf(const IOCTLEntry *ie, uint8_t *buf_temp,
4824 int fd, int cmd, abi_long arg)
4825{
4826 const argtype *arg_type = ie->arg_type;
4827 int target_size;
4828 void *argptr;
4829 int ret;
4830 struct ifconf *host_ifconf;
4831 uint32_t outbufsz;
4832 const argtype ifreq_arg_type[] = { MK_STRUCT(STRUCT_sockaddr_ifreq) };
4833 const argtype ifreq_max_type[] = { MK_STRUCT(STRUCT_ifmap_ifreq) };
4834 int target_ifreq_size;
4835 int nb_ifreq;
4836 int free_buf = 0;
4837 int i;
4838 int target_ifc_len;
4839 abi_long target_ifc_buf;
4840 int host_ifc_len;
4841 char *host_ifc_buf;
4842
4843 assert(arg_type[0] == TYPE_PTR);
4844 assert(ie->access == IOC_RW);
4845
4846 arg_type++;
4847 target_size = thunk_type_size(arg_type, 0);
4848
4849 argptr = lock_user(VERIFY_READ, arg, target_size, 1);
4850 if (!argptr)
4851 return -TARGET_EFAULT;
4852 thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST);
4853 unlock_user(argptr, arg, 0);
4854
4855 host_ifconf = (struct ifconf *)(unsigned long)buf_temp;
4856 target_ifc_buf = (abi_long)(unsigned long)host_ifconf->ifc_buf;
4857 target_ifreq_size = thunk_type_size(ifreq_max_type, 0);
4858
4859 if (target_ifc_buf != 0) {
4860 target_ifc_len = host_ifconf->ifc_len;
4861 nb_ifreq = target_ifc_len / target_ifreq_size;
4862 host_ifc_len = nb_ifreq * sizeof(struct ifreq);
4863
4864 outbufsz = sizeof(*host_ifconf) + host_ifc_len;
4865 if (outbufsz > MAX_STRUCT_SIZE) {
4866
4867
4868
4869
4870 host_ifconf = g_try_malloc(outbufsz);
4871 if (!host_ifconf) {
4872 return -TARGET_ENOMEM;
4873 }
4874 memcpy(host_ifconf, buf_temp, sizeof(*host_ifconf));
4875 free_buf = 1;
4876 }
4877 host_ifc_buf = (char *)host_ifconf + sizeof(*host_ifconf);
4878
4879 host_ifconf->ifc_len = host_ifc_len;
4880 } else {
4881 host_ifc_buf = NULL;
4882 }
4883 host_ifconf->ifc_buf = host_ifc_buf;
4884
4885 ret = get_errno(safe_ioctl(fd, ie->host_cmd, host_ifconf));
4886 if (!is_error(ret)) {
4887
4888
4889 nb_ifreq = host_ifconf->ifc_len / sizeof(struct ifreq);
4890 target_ifc_len = nb_ifreq * target_ifreq_size;
4891 host_ifconf->ifc_len = target_ifc_len;
4892
4893
4894
4895 host_ifconf->ifc_buf = (char *)(unsigned long)target_ifc_buf;
4896
4897
4898
4899 argptr = lock_user(VERIFY_WRITE, arg, target_size, 0);
4900 if (!argptr)
4901 return -TARGET_EFAULT;
4902 thunk_convert(argptr, host_ifconf, arg_type, THUNK_TARGET);
4903 unlock_user(argptr, arg, target_size);
4904
4905 if (target_ifc_buf != 0) {
4906
4907 argptr = lock_user(VERIFY_WRITE, target_ifc_buf, target_ifc_len, 0);
4908 for (i = 0; i < nb_ifreq ; i++) {
4909 thunk_convert(argptr + i * target_ifreq_size,
4910 host_ifc_buf + i * sizeof(struct ifreq),
4911 ifreq_arg_type, THUNK_TARGET);
4912 }
4913 unlock_user(argptr, target_ifc_buf, target_ifc_len);
4914 }
4915 }
4916
4917 if (free_buf) {
4918 g_free(host_ifconf);
4919 }
4920
4921 return ret;
4922}
4923
4924#if defined(CONFIG_USBFS)
4925#if HOST_LONG_BITS > 64
4926#error USBDEVFS thunks do not support >64 bit hosts yet.
4927#endif
4928struct live_urb {
4929 uint64_t target_urb_adr;
4930 uint64_t target_buf_adr;
4931 char *target_buf_ptr;
4932 struct usbdevfs_urb host_urb;
4933};
4934
4935static GHashTable *usbdevfs_urb_hashtable(void)
4936{
4937 static GHashTable *urb_hashtable;
4938
4939 if (!urb_hashtable) {
4940 urb_hashtable = g_hash_table_new(g_int64_hash, g_int64_equal);
4941 }
4942 return urb_hashtable;
4943}
4944
4945static void urb_hashtable_insert(struct live_urb *urb)
4946{
4947 GHashTable *urb_hashtable = usbdevfs_urb_hashtable();
4948 g_hash_table_insert(urb_hashtable, urb, urb);
4949}
4950
4951static struct live_urb *urb_hashtable_lookup(uint64_t target_urb_adr)
4952{
4953 GHashTable *urb_hashtable = usbdevfs_urb_hashtable();
4954 return g_hash_table_lookup(urb_hashtable, &target_urb_adr);
4955}
4956
4957static void urb_hashtable_remove(struct live_urb *urb)
4958{
4959 GHashTable *urb_hashtable = usbdevfs_urb_hashtable();
4960 g_hash_table_remove(urb_hashtable, urb);
4961}
4962
4963static abi_long
4964do_ioctl_usbdevfs_reapurb(const IOCTLEntry *ie, uint8_t *buf_temp,
4965 int fd, int cmd, abi_long arg)
4966{
4967 const argtype usbfsurb_arg_type[] = { MK_STRUCT(STRUCT_usbdevfs_urb) };
4968 const argtype ptrvoid_arg_type[] = { TYPE_PTRVOID, 0, 0 };
4969 struct live_urb *lurb;
4970 void *argptr;
4971 uint64_t hurb;
4972 int target_size;
4973 uintptr_t target_urb_adr;
4974 abi_long ret;
4975
4976 target_size = thunk_type_size(usbfsurb_arg_type, THUNK_TARGET);
4977
4978 memset(buf_temp, 0, sizeof(uint64_t));
4979 ret = get_errno(safe_ioctl(fd, ie->host_cmd, buf_temp));
4980 if (is_error(ret)) {
4981 return ret;
4982 }
4983
4984 memcpy(&hurb, buf_temp, sizeof(uint64_t));
4985 lurb = (void *)((uintptr_t)hurb - offsetof(struct live_urb, host_urb));
4986 if (!lurb->target_urb_adr) {
4987 return -TARGET_EFAULT;
4988 }
4989 urb_hashtable_remove(lurb);
4990 unlock_user(lurb->target_buf_ptr, lurb->target_buf_adr,
4991 lurb->host_urb.buffer_length);
4992 lurb->target_buf_ptr = NULL;
4993
4994
4995 lurb->host_urb.buffer = (void *)(uintptr_t)lurb->target_buf_adr;
4996
4997
4998 argptr = lock_user(VERIFY_WRITE, lurb->target_urb_adr, target_size, 0);
4999 if (!argptr) {
5000 g_free(lurb);
5001 return -TARGET_EFAULT;
5002 }
5003 thunk_convert(argptr, &lurb->host_urb, usbfsurb_arg_type, THUNK_TARGET);
5004 unlock_user(argptr, lurb->target_urb_adr, target_size);
5005
5006 target_size = thunk_type_size(ptrvoid_arg_type, THUNK_TARGET);
5007
5008 argptr = lock_user(VERIFY_WRITE, arg, target_size, 0);
5009 if (!argptr) {
5010 g_free(lurb);
5011 return -TARGET_EFAULT;
5012 }
5013
5014
5015 target_urb_adr = lurb->target_urb_adr;
5016 thunk_convert(argptr, &target_urb_adr, ptrvoid_arg_type, THUNK_TARGET);
5017 unlock_user(argptr, arg, target_size);
5018
5019 g_free(lurb);
5020 return ret;
5021}
5022
5023static abi_long
5024do_ioctl_usbdevfs_discardurb(const IOCTLEntry *ie,
5025 uint8_t *buf_temp __attribute__((unused)),
5026 int fd, int cmd, abi_long arg)
5027{
5028 struct live_urb *lurb;
5029
5030
5031 lurb = urb_hashtable_lookup(arg);
5032 if (!lurb) {
5033 return -TARGET_EFAULT;
5034 }
5035 return get_errno(safe_ioctl(fd, ie->host_cmd, &lurb->host_urb));
5036}
5037
5038static abi_long
5039do_ioctl_usbdevfs_submiturb(const IOCTLEntry *ie, uint8_t *buf_temp,
5040 int fd, int cmd, abi_long arg)
5041{
5042 const argtype *arg_type = ie->arg_type;
5043 int target_size;
5044 abi_long ret;
5045 void *argptr;
5046 int rw_dir;
5047 struct live_urb *lurb;
5048
5049
5050
5051
5052
5053
5054
5055 arg_type++;
5056 target_size = thunk_type_size(arg_type, THUNK_TARGET);
5057
5058
5059 lurb = g_try_new0(struct live_urb, 1);
5060 if (!lurb) {
5061 return -TARGET_ENOMEM;
5062 }
5063
5064 argptr = lock_user(VERIFY_READ, arg, target_size, 1);
5065 if (!argptr) {
5066 g_free(lurb);
5067 return -TARGET_EFAULT;
5068 }
5069 thunk_convert(&lurb->host_urb, argptr, arg_type, THUNK_HOST);
5070 unlock_user(argptr, arg, 0);
5071
5072 lurb->target_urb_adr = arg;
5073 lurb->target_buf_adr = (uintptr_t)lurb->host_urb.buffer;
5074
5075
5076
5077 rw_dir = lurb->host_urb.endpoint & USB_DIR_IN ? VERIFY_WRITE : VERIFY_READ;
5078 lurb->target_buf_ptr = lock_user(rw_dir, lurb->target_buf_adr,
5079 lurb->host_urb.buffer_length, 1);
5080 if (lurb->target_buf_ptr == NULL) {
5081 g_free(lurb);
5082 return -TARGET_EFAULT;
5083 }
5084
5085
5086 lurb->host_urb.buffer = lurb->target_buf_ptr;
5087
5088 ret = get_errno(safe_ioctl(fd, ie->host_cmd, &lurb->host_urb));
5089 if (is_error(ret)) {
5090 unlock_user(lurb->target_buf_ptr, lurb->target_buf_adr, 0);
5091 g_free(lurb);
5092 } else {
5093 urb_hashtable_insert(lurb);
5094 }
5095
5096 return ret;
5097}
5098#endif
5099
5100static abi_long do_ioctl_dm(const IOCTLEntry *ie, uint8_t *buf_temp, int fd,
5101 int cmd, abi_long arg)
5102{
5103 void *argptr;
5104 struct dm_ioctl *host_dm;
5105 abi_long guest_data;
5106 uint32_t guest_data_size;
5107 int target_size;
5108 const argtype *arg_type = ie->arg_type;
5109 abi_long ret;
5110 void *big_buf = NULL;
5111 char *host_data;
5112
5113 arg_type++;
5114 target_size = thunk_type_size(arg_type, 0);
5115 argptr = lock_user(VERIFY_READ, arg, target_size, 1);
5116 if (!argptr) {
5117 ret = -TARGET_EFAULT;
5118 goto out;
5119 }
5120 thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST);
5121 unlock_user(argptr, arg, 0);
5122
5123
5124 big_buf = g_malloc0(((struct dm_ioctl*)buf_temp)->data_size * 2);
5125 memcpy(big_buf, buf_temp, target_size);
5126 buf_temp = big_buf;
5127 host_dm = big_buf;
5128
5129 guest_data = arg + host_dm->data_start;
5130 if ((guest_data - arg) < 0) {
5131 ret = -TARGET_EINVAL;
5132 goto out;
5133 }
5134 guest_data_size = host_dm->data_size - host_dm->data_start;
5135 host_data = (char*)host_dm + host_dm->data_start;
5136
5137 argptr = lock_user(VERIFY_READ, guest_data, guest_data_size, 1);
5138 if (!argptr) {
5139 ret = -TARGET_EFAULT;
5140 goto out;
5141 }
5142
5143 switch (ie->host_cmd) {
5144 case DM_REMOVE_ALL:
5145 case DM_LIST_DEVICES:
5146 case DM_DEV_CREATE:
5147 case DM_DEV_REMOVE:
5148 case DM_DEV_SUSPEND:
5149 case DM_DEV_STATUS:
5150 case DM_DEV_WAIT:
5151 case DM_TABLE_STATUS:
5152 case DM_TABLE_CLEAR:
5153 case DM_TABLE_DEPS:
5154 case DM_LIST_VERSIONS:
5155
5156 break;
5157 case DM_DEV_RENAME:
5158 case DM_DEV_SET_GEOMETRY:
5159
5160 memcpy(host_data, argptr, guest_data_size);
5161 break;
5162 case DM_TARGET_MSG:
5163 memcpy(host_data, argptr, guest_data_size);
5164 *(uint64_t*)host_data = tswap64(*(uint64_t*)argptr);
5165 break;
5166 case DM_TABLE_LOAD:
5167 {
5168 void *gspec = argptr;
5169 void *cur_data = host_data;
5170 const argtype arg_type[] = { MK_STRUCT(STRUCT_dm_target_spec) };
5171 int spec_size = thunk_type_size(arg_type, 0);
5172 int i;
5173
5174 for (i = 0; i < host_dm->target_count; i++) {
5175 struct dm_target_spec *spec = cur_data;
5176 uint32_t next;
5177 int slen;
5178
5179 thunk_convert(spec, gspec, arg_type, THUNK_HOST);
5180 slen = strlen((char*)gspec + spec_size) + 1;
5181 next = spec->next;
5182 spec->next = sizeof(*spec) + slen;
5183 strcpy((char*)&spec[1], gspec + spec_size);
5184 gspec += next;
5185 cur_data += spec->next;
5186 }
5187 break;
5188 }
5189 default:
5190 ret = -TARGET_EINVAL;
5191 unlock_user(argptr, guest_data, 0);
5192 goto out;
5193 }
5194 unlock_user(argptr, guest_data, 0);
5195
5196 ret = get_errno(safe_ioctl(fd, ie->host_cmd, buf_temp));
5197 if (!is_error(ret)) {
5198 guest_data = arg + host_dm->data_start;
5199 guest_data_size = host_dm->data_size - host_dm->data_start;
5200 argptr = lock_user(VERIFY_WRITE, guest_data, guest_data_size, 0);
5201 switch (ie->host_cmd) {
5202 case DM_REMOVE_ALL:
5203 case DM_DEV_CREATE:
5204 case DM_DEV_REMOVE:
5205 case DM_DEV_RENAME:
5206 case DM_DEV_SUSPEND:
5207 case DM_DEV_STATUS:
5208 case DM_TABLE_LOAD:
5209 case DM_TABLE_CLEAR:
5210 case DM_TARGET_MSG:
5211 case DM_DEV_SET_GEOMETRY:
5212
5213 break;
5214 case DM_LIST_DEVICES:
5215 {
5216 struct dm_name_list *nl = (void*)host_dm + host_dm->data_start;
5217 uint32_t remaining_data = guest_data_size;
5218 void *cur_data = argptr;
5219 const argtype arg_type[] = { MK_STRUCT(STRUCT_dm_name_list) };
5220 int nl_size = 12;
5221
5222 while (1) {
5223 uint32_t next = nl->next;
5224 if (next) {
5225 nl->next = nl_size + (strlen(nl->name) + 1);
5226 }
5227 if (remaining_data < nl->next) {
5228 host_dm->flags |= DM_BUFFER_FULL_FLAG;
5229 break;
5230 }
5231 thunk_convert(cur_data, nl, arg_type, THUNK_TARGET);
5232 strcpy(cur_data + nl_size, nl->name);
5233 cur_data += nl->next;
5234 remaining_data -= nl->next;
5235 if (!next) {
5236 break;
5237 }
5238 nl = (void*)nl + next;
5239 }
5240 break;
5241 }
5242 case DM_DEV_WAIT:
5243 case DM_TABLE_STATUS:
5244 {
5245 struct dm_target_spec *spec = (void*)host_dm + host_dm->data_start;
5246 void *cur_data = argptr;
5247 const argtype arg_type[] = { MK_STRUCT(STRUCT_dm_target_spec) };
5248 int spec_size = thunk_type_size(arg_type, 0);
5249 int i;
5250
5251 for (i = 0; i < host_dm->target_count; i++) {
5252 uint32_t next = spec->next;
5253 int slen = strlen((char*)&spec[1]) + 1;
5254 spec->next = (cur_data - argptr) + spec_size + slen;
5255 if (guest_data_size < spec->next) {
5256 host_dm->flags |= DM_BUFFER_FULL_FLAG;
5257 break;
5258 }
5259 thunk_convert(cur_data, spec, arg_type, THUNK_TARGET);
5260 strcpy(cur_data + spec_size, (char*)&spec[1]);
5261 cur_data = argptr + spec->next;
5262 spec = (void*)host_dm + host_dm->data_start + next;
5263 }
5264 break;
5265 }
5266 case DM_TABLE_DEPS:
5267 {
5268 void *hdata = (void*)host_dm + host_dm->data_start;
5269 int count = *(uint32_t*)hdata;
5270 uint64_t *hdev = hdata + 8;
5271 uint64_t *gdev = argptr + 8;
5272 int i;
5273
5274 *(uint32_t*)argptr = tswap32(count);
5275 for (i = 0; i < count; i++) {
5276 *gdev = tswap64(*hdev);
5277 gdev++;
5278 hdev++;
5279 }
5280 break;
5281 }
5282 case DM_LIST_VERSIONS:
5283 {
5284 struct dm_target_versions *vers = (void*)host_dm + host_dm->data_start;
5285 uint32_t remaining_data = guest_data_size;
5286 void *cur_data = argptr;
5287 const argtype arg_type[] = { MK_STRUCT(STRUCT_dm_target_versions) };
5288 int vers_size = thunk_type_size(arg_type, 0);
5289
5290 while (1) {
5291 uint32_t next = vers->next;
5292 if (next) {
5293 vers->next = vers_size + (strlen(vers->name) + 1);
5294 }
5295 if (remaining_data < vers->next) {
5296 host_dm->flags |= DM_BUFFER_FULL_FLAG;
5297 break;
5298 }
5299 thunk_convert(cur_data, vers, arg_type, THUNK_TARGET);
5300 strcpy(cur_data + vers_size, vers->name);
5301 cur_data += vers->next;
5302 remaining_data -= vers->next;
5303 if (!next) {
5304 break;
5305 }
5306 vers = (void*)vers + next;
5307 }
5308 break;
5309 }
5310 default:
5311 unlock_user(argptr, guest_data, 0);
5312 ret = -TARGET_EINVAL;
5313 goto out;
5314 }
5315 unlock_user(argptr, guest_data, guest_data_size);
5316
5317 argptr = lock_user(VERIFY_WRITE, arg, target_size, 0);
5318 if (!argptr) {
5319 ret = -TARGET_EFAULT;
5320 goto out;
5321 }
5322 thunk_convert(argptr, buf_temp, arg_type, THUNK_TARGET);
5323 unlock_user(argptr, arg, target_size);
5324 }
5325out:
5326 g_free(big_buf);
5327 return ret;
5328}
5329
5330static abi_long do_ioctl_blkpg(const IOCTLEntry *ie, uint8_t *buf_temp, int fd,
5331 int cmd, abi_long arg)
5332{
5333 void *argptr;
5334 int target_size;
5335 const argtype *arg_type = ie->arg_type;
5336 const argtype part_arg_type[] = { MK_STRUCT(STRUCT_blkpg_partition) };
5337 abi_long ret;
5338
5339 struct blkpg_ioctl_arg *host_blkpg = (void*)buf_temp;
5340 struct blkpg_partition host_part;
5341
5342
5343 arg_type++;
5344 target_size = thunk_type_size(arg_type, 0);
5345 argptr = lock_user(VERIFY_READ, arg, target_size, 1);
5346 if (!argptr) {
5347 ret = -TARGET_EFAULT;
5348 goto out;
5349 }
5350 thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST);
5351 unlock_user(argptr, arg, 0);
5352
5353 switch (host_blkpg->op) {
5354 case BLKPG_ADD_PARTITION:
5355 case BLKPG_DEL_PARTITION:
5356
5357 break;
5358 default:
5359
5360 ret = -TARGET_EINVAL;
5361 goto out;
5362 }
5363
5364
5365 arg = (abi_long)(uintptr_t)host_blkpg->data;
5366 target_size = thunk_type_size(part_arg_type, 0);
5367 argptr = lock_user(VERIFY_READ, arg, target_size, 1);
5368 if (!argptr) {
5369 ret = -TARGET_EFAULT;
5370 goto out;
5371 }
5372 thunk_convert(&host_part, argptr, part_arg_type, THUNK_HOST);
5373 unlock_user(argptr, arg, 0);
5374
5375
5376 host_blkpg->data = &host_part;
5377 ret = get_errno(safe_ioctl(fd, ie->host_cmd, host_blkpg));
5378
5379out:
5380 return ret;
5381}
5382
5383static abi_long do_ioctl_rt(const IOCTLEntry *ie, uint8_t *buf_temp,
5384 int fd, int cmd, abi_long arg)
5385{
5386 const argtype *arg_type = ie->arg_type;
5387 const StructEntry *se;
5388 const argtype *field_types;
5389 const int *dst_offsets, *src_offsets;
5390 int target_size;
5391 void *argptr;
5392 abi_ulong *target_rt_dev_ptr = NULL;
5393 unsigned long *host_rt_dev_ptr = NULL;
5394 abi_long ret;
5395 int i;
5396
5397 assert(ie->access == IOC_W);
5398 assert(*arg_type == TYPE_PTR);
5399 arg_type++;
5400 assert(*arg_type == TYPE_STRUCT);
5401 target_size = thunk_type_size(arg_type, 0);
5402 argptr = lock_user(VERIFY_READ, arg, target_size, 1);
5403 if (!argptr) {
5404 return -TARGET_EFAULT;
5405 }
5406 arg_type++;
5407 assert(*arg_type == (int)STRUCT_rtentry);
5408 se = struct_entries + *arg_type++;
5409 assert(se->convert[0] == NULL);
5410
5411 field_types = se->field_types;
5412 dst_offsets = se->field_offsets[THUNK_HOST];
5413 src_offsets = se->field_offsets[THUNK_TARGET];
5414 for (i = 0; i < se->nb_fields; i++) {
5415 if (dst_offsets[i] == offsetof(struct rtentry, rt_dev)) {
5416 assert(*field_types == TYPE_PTRVOID);
5417 target_rt_dev_ptr = (abi_ulong *)(argptr + src_offsets[i]);
5418 host_rt_dev_ptr = (unsigned long *)(buf_temp + dst_offsets[i]);
5419 if (*target_rt_dev_ptr != 0) {
5420 *host_rt_dev_ptr = (unsigned long)lock_user_string(
5421 tswapal(*target_rt_dev_ptr));
5422 if (!*host_rt_dev_ptr) {
5423 unlock_user(argptr, arg, 0);
5424 return -TARGET_EFAULT;
5425 }
5426 } else {
5427 *host_rt_dev_ptr = 0;
5428 }
5429 field_types++;
5430 continue;
5431 }
5432 field_types = thunk_convert(buf_temp + dst_offsets[i],
5433 argptr + src_offsets[i],
5434 field_types, THUNK_HOST);
5435 }
5436 unlock_user(argptr, arg, 0);
5437
5438 ret = get_errno(safe_ioctl(fd, ie->host_cmd, buf_temp));
5439
5440 assert(host_rt_dev_ptr != NULL);
5441 assert(target_rt_dev_ptr != NULL);
5442 if (*host_rt_dev_ptr != 0) {
5443 unlock_user((void *)*host_rt_dev_ptr,
5444 *target_rt_dev_ptr, 0);
5445 }
5446 return ret;
5447}
5448
5449static abi_long do_ioctl_kdsigaccept(const IOCTLEntry *ie, uint8_t *buf_temp,
5450 int fd, int cmd, abi_long arg)
5451{
5452 int sig = target_to_host_signal(arg);
5453 return get_errno(safe_ioctl(fd, ie->host_cmd, sig));
5454}
5455
5456static abi_long do_ioctl_SIOCGSTAMP(const IOCTLEntry *ie, uint8_t *buf_temp,
5457 int fd, int cmd, abi_long arg)
5458{
5459 struct timeval tv;
5460 abi_long ret;
5461
5462 ret = get_errno(safe_ioctl(fd, SIOCGSTAMP, &tv));
5463 if (is_error(ret)) {
5464 return ret;
5465 }
5466
5467 if (cmd == (int)TARGET_SIOCGSTAMP_OLD) {
5468 if (copy_to_user_timeval(arg, &tv)) {
5469 return -TARGET_EFAULT;
5470 }
5471 } else {
5472 if (copy_to_user_timeval64(arg, &tv)) {
5473 return -TARGET_EFAULT;
5474 }
5475 }
5476
5477 return ret;
5478}
5479
5480static abi_long do_ioctl_SIOCGSTAMPNS(const IOCTLEntry *ie, uint8_t *buf_temp,
5481 int fd, int cmd, abi_long arg)
5482{
5483 struct timespec ts;
5484 abi_long ret;
5485
5486 ret = get_errno(safe_ioctl(fd, SIOCGSTAMPNS, &ts));
5487 if (is_error(ret)) {
5488 return ret;
5489 }
5490
5491 if (cmd == (int)TARGET_SIOCGSTAMPNS_OLD) {
5492 if (host_to_target_timespec(arg, &ts)) {
5493 return -TARGET_EFAULT;
5494 }
5495 } else{
5496 if (host_to_target_timespec64(arg, &ts)) {
5497 return -TARGET_EFAULT;
5498 }
5499 }
5500
5501 return ret;
5502}
5503
5504#ifdef TIOCGPTPEER
5505static abi_long do_ioctl_tiocgptpeer(const IOCTLEntry *ie, uint8_t *buf_temp,
5506 int fd, int cmd, abi_long arg)
5507{
5508 int flags = target_to_host_bitmask(arg, fcntl_flags_tbl);
5509 return get_errno(safe_ioctl(fd, ie->host_cmd, flags));
5510}
5511#endif
5512
5513#ifdef HAVE_DRM_H
5514
5515static void unlock_drm_version(struct drm_version *host_ver,
5516 struct target_drm_version *target_ver,
5517 bool copy)
5518{
5519 unlock_user(host_ver->name, target_ver->name,
5520 copy ? host_ver->name_len : 0);
5521 unlock_user(host_ver->date, target_ver->date,
5522 copy ? host_ver->date_len : 0);
5523 unlock_user(host_ver->desc, target_ver->desc,
5524 copy ? host_ver->desc_len : 0);
5525}
5526
5527static inline abi_long target_to_host_drmversion(struct drm_version *host_ver,
5528 struct target_drm_version *target_ver)
5529{
5530 memset(host_ver, 0, sizeof(*host_ver));
5531
5532 __get_user(host_ver->name_len, &target_ver->name_len);
5533 if (host_ver->name_len) {
5534 host_ver->name = lock_user(VERIFY_WRITE, target_ver->name,
5535 target_ver->name_len, 0);
5536 if (!host_ver->name) {
5537 return -EFAULT;
5538 }
5539 }
5540
5541 __get_user(host_ver->date_len, &target_ver->date_len);
5542 if (host_ver->date_len) {
5543 host_ver->date = lock_user(VERIFY_WRITE, target_ver->date,
5544 target_ver->date_len, 0);
5545 if (!host_ver->date) {
5546 goto err;
5547 }
5548 }
5549
5550 __get_user(host_ver->desc_len, &target_ver->desc_len);
5551 if (host_ver->desc_len) {
5552 host_ver->desc = lock_user(VERIFY_WRITE, target_ver->desc,
5553 target_ver->desc_len, 0);
5554 if (!host_ver->desc) {
5555 goto err;
5556 }
5557 }
5558
5559 return 0;
5560err:
5561 unlock_drm_version(host_ver, target_ver, false);
5562 return -EFAULT;
5563}
5564
5565static inline void host_to_target_drmversion(
5566 struct target_drm_version *target_ver,
5567 struct drm_version *host_ver)
5568{
5569 __put_user(host_ver->version_major, &target_ver->version_major);
5570 __put_user(host_ver->version_minor, &target_ver->version_minor);
5571 __put_user(host_ver->version_patchlevel, &target_ver->version_patchlevel);
5572 __put_user(host_ver->name_len, &target_ver->name_len);
5573 __put_user(host_ver->date_len, &target_ver->date_len);
5574 __put_user(host_ver->desc_len, &target_ver->desc_len);
5575 unlock_drm_version(host_ver, target_ver, true);
5576}
5577
5578static abi_long do_ioctl_drm(const IOCTLEntry *ie, uint8_t *buf_temp,
5579 int fd, int cmd, abi_long arg)
5580{
5581 struct drm_version *ver;
5582 struct target_drm_version *target_ver;
5583 abi_long ret;
5584
5585 switch (ie->host_cmd) {
5586 case DRM_IOCTL_VERSION:
5587 if (!lock_user_struct(VERIFY_WRITE, target_ver, arg, 0)) {
5588 return -TARGET_EFAULT;
5589 }
5590 ver = (struct drm_version *)buf_temp;
5591 ret = target_to_host_drmversion(ver, target_ver);
5592 if (!is_error(ret)) {
5593 ret = get_errno(safe_ioctl(fd, ie->host_cmd, ver));
5594 if (is_error(ret)) {
5595 unlock_drm_version(ver, target_ver, false);
5596 } else {
5597 host_to_target_drmversion(target_ver, ver);
5598 }
5599 }
5600 unlock_user_struct(target_ver, arg, 0);
5601 return ret;
5602 }
5603 return -TARGET_ENOSYS;
5604}
5605
5606static abi_long do_ioctl_drm_i915_getparam(const IOCTLEntry *ie,
5607 struct drm_i915_getparam *gparam,
5608 int fd, abi_long arg)
5609{
5610 abi_long ret;
5611 int value;
5612 struct target_drm_i915_getparam *target_gparam;
5613
5614 if (!lock_user_struct(VERIFY_READ, target_gparam, arg, 0)) {
5615 return -TARGET_EFAULT;
5616 }
5617
5618 __get_user(gparam->param, &target_gparam->param);
5619 gparam->value = &value;
5620 ret = get_errno(safe_ioctl(fd, ie->host_cmd, gparam));
5621 put_user_s32(value, target_gparam->value);
5622
5623 unlock_user_struct(target_gparam, arg, 0);
5624 return ret;
5625}
5626
5627static abi_long do_ioctl_drm_i915(const IOCTLEntry *ie, uint8_t *buf_temp,
5628 int fd, int cmd, abi_long arg)
5629{
5630 switch (ie->host_cmd) {
5631 case DRM_IOCTL_I915_GETPARAM:
5632 return do_ioctl_drm_i915_getparam(ie,
5633 (struct drm_i915_getparam *)buf_temp,
5634 fd, arg);
5635 default:
5636 return -TARGET_ENOSYS;
5637 }
5638}
5639
5640#endif
5641
5642static abi_long do_ioctl_TUNSETTXFILTER(const IOCTLEntry *ie, uint8_t *buf_temp,
5643 int fd, int cmd, abi_long arg)
5644{
5645 struct tun_filter *filter = (struct tun_filter *)buf_temp;
5646 struct tun_filter *target_filter;
5647 char *target_addr;
5648
5649 assert(ie->access == IOC_W);
5650
5651 target_filter = lock_user(VERIFY_READ, arg, sizeof(*target_filter), 1);
5652 if (!target_filter) {
5653 return -TARGET_EFAULT;
5654 }
5655 filter->flags = tswap16(target_filter->flags);
5656 filter->count = tswap16(target_filter->count);
5657 unlock_user(target_filter, arg, 0);
5658
5659 if (filter->count) {
5660 if (offsetof(struct tun_filter, addr) + filter->count * ETH_ALEN >
5661 MAX_STRUCT_SIZE) {
5662 return -TARGET_EFAULT;
5663 }
5664
5665 target_addr = lock_user(VERIFY_READ,
5666 arg + offsetof(struct tun_filter, addr),
5667 filter->count * ETH_ALEN, 1);
5668 if (!target_addr) {
5669 return -TARGET_EFAULT;
5670 }
5671 memcpy(filter->addr, target_addr, filter->count * ETH_ALEN);
5672 unlock_user(target_addr, arg + offsetof(struct tun_filter, addr), 0);
5673 }
5674
5675 return get_errno(safe_ioctl(fd, ie->host_cmd, filter));
5676}
5677
5678IOCTLEntry ioctl_entries[] = {
5679#define IOCTL(cmd, access, ...) \
5680 { TARGET_ ## cmd, cmd, #cmd, access, 0, { __VA_ARGS__ } },
5681#define IOCTL_SPECIAL(cmd, access, dofn, ...) \
5682 { TARGET_ ## cmd, cmd, #cmd, access, dofn, { __VA_ARGS__ } },
5683#define IOCTL_IGNORE(cmd) \
5684 { TARGET_ ## cmd, 0, #cmd },
5685#include "ioctls.h"
5686 { 0, 0, },
5687};
5688
5689
5690
5691static abi_long do_ioctl(int fd, int cmd, abi_long arg)
5692{
5693 const IOCTLEntry *ie;
5694 const argtype *arg_type;
5695 abi_long ret;
5696 uint8_t buf_temp[MAX_STRUCT_SIZE];
5697 int target_size;
5698 void *argptr;
5699
5700 ie = ioctl_entries;
5701 for(;;) {
5702 if (ie->target_cmd == 0) {
5703 qemu_log_mask(
5704 LOG_UNIMP, "Unsupported ioctl: cmd=0x%04lx\n", (long)cmd);
5705 return -TARGET_ENOSYS;
5706 }
5707 if (ie->target_cmd == cmd)
5708 break;
5709 ie++;
5710 }
5711 arg_type = ie->arg_type;
5712 if (ie->do_ioctl) {
5713 return ie->do_ioctl(ie, buf_temp, fd, cmd, arg);
5714 } else if (!ie->host_cmd) {
5715
5716
5717 return -TARGET_ENOSYS;
5718 }
5719
5720 switch(arg_type[0]) {
5721 case TYPE_NULL:
5722
5723 ret = get_errno(safe_ioctl(fd, ie->host_cmd));
5724 break;
5725 case TYPE_PTRVOID:
5726 case TYPE_INT:
5727 case TYPE_LONG:
5728 case TYPE_ULONG:
5729 ret = get_errno(safe_ioctl(fd, ie->host_cmd, arg));
5730 break;
5731 case TYPE_PTR:
5732 arg_type++;
5733 target_size = thunk_type_size(arg_type, 0);
5734 switch(ie->access) {
5735 case IOC_R:
5736 ret = get_errno(safe_ioctl(fd, ie->host_cmd, buf_temp));
5737 if (!is_error(ret)) {
5738 argptr = lock_user(VERIFY_WRITE, arg, target_size, 0);
5739 if (!argptr)
5740 return -TARGET_EFAULT;
5741 thunk_convert(argptr, buf_temp, arg_type, THUNK_TARGET);
5742 unlock_user(argptr, arg, target_size);
5743 }
5744 break;
5745 case IOC_W:
5746 argptr = lock_user(VERIFY_READ, arg, target_size, 1);
5747 if (!argptr)
5748 return -TARGET_EFAULT;
5749 thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST);
5750 unlock_user(argptr, arg, 0);
5751 ret = get_errno(safe_ioctl(fd, ie->host_cmd, buf_temp));
5752 break;
5753 default:
5754 case IOC_RW:
5755 argptr = lock_user(VERIFY_READ, arg, target_size, 1);
5756 if (!argptr)
5757 return -TARGET_EFAULT;
5758 thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST);
5759 unlock_user(argptr, arg, 0);
5760 ret = get_errno(safe_ioctl(fd, ie->host_cmd, buf_temp));
5761 if (!is_error(ret)) {
5762 argptr = lock_user(VERIFY_WRITE, arg, target_size, 0);
5763 if (!argptr)
5764 return -TARGET_EFAULT;
5765 thunk_convert(argptr, buf_temp, arg_type, THUNK_TARGET);
5766 unlock_user(argptr, arg, target_size);
5767 }
5768 break;
5769 }
5770 break;
5771 default:
5772 qemu_log_mask(LOG_UNIMP,
5773 "Unsupported ioctl type: cmd=0x%04lx type=%d\n",
5774 (long)cmd, arg_type[0]);
5775 ret = -TARGET_ENOSYS;
5776 break;
5777 }
5778 return ret;
5779}
5780
5781static const bitmask_transtbl iflag_tbl[] = {
5782 { TARGET_IGNBRK, TARGET_IGNBRK, IGNBRK, IGNBRK },
5783 { TARGET_BRKINT, TARGET_BRKINT, BRKINT, BRKINT },
5784 { TARGET_IGNPAR, TARGET_IGNPAR, IGNPAR, IGNPAR },
5785 { TARGET_PARMRK, TARGET_PARMRK, PARMRK, PARMRK },
5786 { TARGET_INPCK, TARGET_INPCK, INPCK, INPCK },
5787 { TARGET_ISTRIP, TARGET_ISTRIP, ISTRIP, ISTRIP },
5788 { TARGET_INLCR, TARGET_INLCR, INLCR, INLCR },
5789 { TARGET_IGNCR, TARGET_IGNCR, IGNCR, IGNCR },
5790 { TARGET_ICRNL, TARGET_ICRNL, ICRNL, ICRNL },
5791 { TARGET_IUCLC, TARGET_IUCLC, IUCLC, IUCLC },
5792 { TARGET_IXON, TARGET_IXON, IXON, IXON },
5793 { TARGET_IXANY, TARGET_IXANY, IXANY, IXANY },
5794 { TARGET_IXOFF, TARGET_IXOFF, IXOFF, IXOFF },
5795 { TARGET_IMAXBEL, TARGET_IMAXBEL, IMAXBEL, IMAXBEL },
5796 { TARGET_IUTF8, TARGET_IUTF8, IUTF8, IUTF8},
5797 { 0, 0, 0, 0 }
5798};
5799
5800static const bitmask_transtbl oflag_tbl[] = {
5801 { TARGET_OPOST, TARGET_OPOST, OPOST, OPOST },
5802 { TARGET_OLCUC, TARGET_OLCUC, OLCUC, OLCUC },
5803 { TARGET_ONLCR, TARGET_ONLCR, ONLCR, ONLCR },
5804 { TARGET_OCRNL, TARGET_OCRNL, OCRNL, OCRNL },
5805 { TARGET_ONOCR, TARGET_ONOCR, ONOCR, ONOCR },
5806 { TARGET_ONLRET, TARGET_ONLRET, ONLRET, ONLRET },
5807 { TARGET_OFILL, TARGET_OFILL, OFILL, OFILL },
5808 { TARGET_OFDEL, TARGET_OFDEL, OFDEL, OFDEL },
5809 { TARGET_NLDLY, TARGET_NL0, NLDLY, NL0 },
5810 { TARGET_NLDLY, TARGET_NL1, NLDLY, NL1 },
5811 { TARGET_CRDLY, TARGET_CR0, CRDLY, CR0 },
5812 { TARGET_CRDLY, TARGET_CR1, CRDLY, CR1 },
5813 { TARGET_CRDLY, TARGET_CR2, CRDLY, CR2 },
5814 { TARGET_CRDLY, TARGET_CR3, CRDLY, CR3 },
5815 { TARGET_TABDLY, TARGET_TAB0, TABDLY, TAB0 },
5816 { TARGET_TABDLY, TARGET_TAB1, TABDLY, TAB1 },
5817 { TARGET_TABDLY, TARGET_TAB2, TABDLY, TAB2 },
5818 { TARGET_TABDLY, TARGET_TAB3, TABDLY, TAB3 },
5819 { TARGET_BSDLY, TARGET_BS0, BSDLY, BS0 },
5820 { TARGET_BSDLY, TARGET_BS1, BSDLY, BS1 },
5821 { TARGET_VTDLY, TARGET_VT0, VTDLY, VT0 },
5822 { TARGET_VTDLY, TARGET_VT1, VTDLY, VT1 },
5823 { TARGET_FFDLY, TARGET_FF0, FFDLY, FF0 },
5824 { TARGET_FFDLY, TARGET_FF1, FFDLY, FF1 },
5825 { 0, 0, 0, 0 }
5826};
5827
5828static const bitmask_transtbl cflag_tbl[] = {
5829 { TARGET_CBAUD, TARGET_B0, CBAUD, B0 },
5830 { TARGET_CBAUD, TARGET_B50, CBAUD, B50 },
5831 { TARGET_CBAUD, TARGET_B75, CBAUD, B75 },
5832 { TARGET_CBAUD, TARGET_B110, CBAUD, B110 },
5833 { TARGET_CBAUD, TARGET_B134, CBAUD, B134 },
5834 { TARGET_CBAUD, TARGET_B150, CBAUD, B150 },
5835 { TARGET_CBAUD, TARGET_B200, CBAUD, B200 },
5836 { TARGET_CBAUD, TARGET_B300, CBAUD, B300 },
5837 { TARGET_CBAUD, TARGET_B600, CBAUD, B600 },
5838 { TARGET_CBAUD, TARGET_B1200, CBAUD, B1200 },
5839 { TARGET_CBAUD, TARGET_B1800, CBAUD, B1800 },
5840 { TARGET_CBAUD, TARGET_B2400, CBAUD, B2400 },
5841 { TARGET_CBAUD, TARGET_B4800, CBAUD, B4800 },
5842 { TARGET_CBAUD, TARGET_B9600, CBAUD, B9600 },
5843 { TARGET_CBAUD, TARGET_B19200, CBAUD, B19200 },
5844 { TARGET_CBAUD, TARGET_B38400, CBAUD, B38400 },
5845 { TARGET_CBAUD, TARGET_B57600, CBAUD, B57600 },
5846 { TARGET_CBAUD, TARGET_B115200, CBAUD, B115200 },
5847 { TARGET_CBAUD, TARGET_B230400, CBAUD, B230400 },
5848 { TARGET_CBAUD, TARGET_B460800, CBAUD, B460800 },
5849 { TARGET_CSIZE, TARGET_CS5, CSIZE, CS5 },
5850 { TARGET_CSIZE, TARGET_CS6, CSIZE, CS6 },
5851 { TARGET_CSIZE, TARGET_CS7, CSIZE, CS7 },
5852 { TARGET_CSIZE, TARGET_CS8, CSIZE, CS8 },
5853 { TARGET_CSTOPB, TARGET_CSTOPB, CSTOPB, CSTOPB },
5854 { TARGET_CREAD, TARGET_CREAD, CREAD, CREAD },
5855 { TARGET_PARENB, TARGET_PARENB, PARENB, PARENB },
5856 { TARGET_PARODD, TARGET_PARODD, PARODD, PARODD },
5857 { TARGET_HUPCL, TARGET_HUPCL, HUPCL, HUPCL },
5858 { TARGET_CLOCAL, TARGET_CLOCAL, CLOCAL, CLOCAL },
5859 { TARGET_CRTSCTS, TARGET_CRTSCTS, CRTSCTS, CRTSCTS },
5860 { 0, 0, 0, 0 }
5861};
5862
5863static const bitmask_transtbl lflag_tbl[] = {
5864 { TARGET_ISIG, TARGET_ISIG, ISIG, ISIG },
5865 { TARGET_ICANON, TARGET_ICANON, ICANON, ICANON },
5866 { TARGET_XCASE, TARGET_XCASE, XCASE, XCASE },
5867 { TARGET_ECHO, TARGET_ECHO, ECHO, ECHO },
5868 { TARGET_ECHOE, TARGET_ECHOE, ECHOE, ECHOE },
5869 { TARGET_ECHOK, TARGET_ECHOK, ECHOK, ECHOK },
5870 { TARGET_ECHONL, TARGET_ECHONL, ECHONL, ECHONL },
5871 { TARGET_NOFLSH, TARGET_NOFLSH, NOFLSH, NOFLSH },
5872 { TARGET_TOSTOP, TARGET_TOSTOP, TOSTOP, TOSTOP },
5873 { TARGET_ECHOCTL, TARGET_ECHOCTL, ECHOCTL, ECHOCTL },
5874 { TARGET_ECHOPRT, TARGET_ECHOPRT, ECHOPRT, ECHOPRT },
5875 { TARGET_ECHOKE, TARGET_ECHOKE, ECHOKE, ECHOKE },
5876 { TARGET_FLUSHO, TARGET_FLUSHO, FLUSHO, FLUSHO },
5877 { TARGET_PENDIN, TARGET_PENDIN, PENDIN, PENDIN },
5878 { TARGET_IEXTEN, TARGET_IEXTEN, IEXTEN, IEXTEN },
5879 { TARGET_EXTPROC, TARGET_EXTPROC, EXTPROC, EXTPROC},
5880 { 0, 0, 0, 0 }
5881};
5882
5883static void target_to_host_termios (void *dst, const void *src)
5884{
5885 struct host_termios *host = dst;
5886 const struct target_termios *target = src;
5887
5888 host->c_iflag =
5889 target_to_host_bitmask(tswap32(target->c_iflag), iflag_tbl);
5890 host->c_oflag =
5891 target_to_host_bitmask(tswap32(target->c_oflag), oflag_tbl);
5892 host->c_cflag =
5893 target_to_host_bitmask(tswap32(target->c_cflag), cflag_tbl);
5894 host->c_lflag =
5895 target_to_host_bitmask(tswap32(target->c_lflag), lflag_tbl);
5896 host->c_line = target->c_line;
5897
5898 memset(host->c_cc, 0, sizeof(host->c_cc));
5899 host->c_cc[VINTR] = target->c_cc[TARGET_VINTR];
5900 host->c_cc[VQUIT] = target->c_cc[TARGET_VQUIT];
5901 host->c_cc[VERASE] = target->c_cc[TARGET_VERASE];
5902 host->c_cc[VKILL] = target->c_cc[TARGET_VKILL];
5903 host->c_cc[VEOF] = target->c_cc[TARGET_VEOF];
5904 host->c_cc[VTIME] = target->c_cc[TARGET_VTIME];
5905 host->c_cc[VMIN] = target->c_cc[TARGET_VMIN];
5906 host->c_cc[VSWTC] = target->c_cc[TARGET_VSWTC];
5907 host->c_cc[VSTART] = target->c_cc[TARGET_VSTART];
5908 host->c_cc[VSTOP] = target->c_cc[TARGET_VSTOP];
5909 host->c_cc[VSUSP] = target->c_cc[TARGET_VSUSP];
5910 host->c_cc[VEOL] = target->c_cc[TARGET_VEOL];
5911 host->c_cc[VREPRINT] = target->c_cc[TARGET_VREPRINT];
5912 host->c_cc[VDISCARD] = target->c_cc[TARGET_VDISCARD];
5913 host->c_cc[VWERASE] = target->c_cc[TARGET_VWERASE];
5914 host->c_cc[VLNEXT] = target->c_cc[TARGET_VLNEXT];
5915 host->c_cc[VEOL2] = target->c_cc[TARGET_VEOL2];
5916}
5917
5918static void host_to_target_termios (void *dst, const void *src)
5919{
5920 struct target_termios *target = dst;
5921 const struct host_termios *host = src;
5922
5923 target->c_iflag =
5924 tswap32(host_to_target_bitmask(host->c_iflag, iflag_tbl));
5925 target->c_oflag =
5926 tswap32(host_to_target_bitmask(host->c_oflag, oflag_tbl));
5927 target->c_cflag =
5928 tswap32(host_to_target_bitmask(host->c_cflag, cflag_tbl));
5929 target->c_lflag =
5930 tswap32(host_to_target_bitmask(host->c_lflag, lflag_tbl));
5931 target->c_line = host->c_line;
5932
5933 memset(target->c_cc, 0, sizeof(target->c_cc));
5934 target->c_cc[TARGET_VINTR] = host->c_cc[VINTR];
5935 target->c_cc[TARGET_VQUIT] = host->c_cc[VQUIT];
5936 target->c_cc[TARGET_VERASE] = host->c_cc[VERASE];
5937 target->c_cc[TARGET_VKILL] = host->c_cc[VKILL];
5938 target->c_cc[TARGET_VEOF] = host->c_cc[VEOF];
5939 target->c_cc[TARGET_VTIME] = host->c_cc[VTIME];
5940 target->c_cc[TARGET_VMIN] = host->c_cc[VMIN];
5941 target->c_cc[TARGET_VSWTC] = host->c_cc[VSWTC];
5942 target->c_cc[TARGET_VSTART] = host->c_cc[VSTART];
5943 target->c_cc[TARGET_VSTOP] = host->c_cc[VSTOP];
5944 target->c_cc[TARGET_VSUSP] = host->c_cc[VSUSP];
5945 target->c_cc[TARGET_VEOL] = host->c_cc[VEOL];
5946 target->c_cc[TARGET_VREPRINT] = host->c_cc[VREPRINT];
5947 target->c_cc[TARGET_VDISCARD] = host->c_cc[VDISCARD];
5948 target->c_cc[TARGET_VWERASE] = host->c_cc[VWERASE];
5949 target->c_cc[TARGET_VLNEXT] = host->c_cc[VLNEXT];
5950 target->c_cc[TARGET_VEOL2] = host->c_cc[VEOL2];
5951}
5952
5953static const StructEntry struct_termios_def = {
5954 .convert = { host_to_target_termios, target_to_host_termios },
5955 .size = { sizeof(struct target_termios), sizeof(struct host_termios) },
5956 .align = { __alignof__(struct target_termios), __alignof__(struct host_termios) },
5957 .print = print_termios,
5958};
5959
5960static const bitmask_transtbl mmap_flags_tbl[] = {
5961 { TARGET_MAP_SHARED, TARGET_MAP_SHARED, MAP_SHARED, MAP_SHARED },
5962 { TARGET_MAP_PRIVATE, TARGET_MAP_PRIVATE, MAP_PRIVATE, MAP_PRIVATE },
5963 { TARGET_MAP_FIXED, TARGET_MAP_FIXED, MAP_FIXED, MAP_FIXED },
5964 { TARGET_MAP_ANONYMOUS, TARGET_MAP_ANONYMOUS,
5965 MAP_ANONYMOUS, MAP_ANONYMOUS },
5966 { TARGET_MAP_GROWSDOWN, TARGET_MAP_GROWSDOWN,
5967 MAP_GROWSDOWN, MAP_GROWSDOWN },
5968 { TARGET_MAP_DENYWRITE, TARGET_MAP_DENYWRITE,
5969 MAP_DENYWRITE, MAP_DENYWRITE },
5970 { TARGET_MAP_EXECUTABLE, TARGET_MAP_EXECUTABLE,
5971 MAP_EXECUTABLE, MAP_EXECUTABLE },
5972 { TARGET_MAP_LOCKED, TARGET_MAP_LOCKED, MAP_LOCKED, MAP_LOCKED },
5973 { TARGET_MAP_NORESERVE, TARGET_MAP_NORESERVE,
5974 MAP_NORESERVE, MAP_NORESERVE },
5975 { TARGET_MAP_HUGETLB, TARGET_MAP_HUGETLB, MAP_HUGETLB, MAP_HUGETLB },
5976
5977
5978
5979 { TARGET_MAP_STACK, TARGET_MAP_STACK, 0, 0 },
5980 { 0, 0, 0, 0 }
5981};
5982
5983
5984
5985
5986
5987#if defined(TARGET_I386)
5988
5989
5990static uint8_t *ldt_table;
5991
5992static abi_long read_ldt(abi_ulong ptr, unsigned long bytecount)
5993{
5994 int size;
5995 void *p;
5996
5997 if (!ldt_table)
5998 return 0;
5999 size = TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE;
6000 if (size > bytecount)
6001 size = bytecount;
6002 p = lock_user(VERIFY_WRITE, ptr, size, 0);
6003 if (!p)
6004 return -TARGET_EFAULT;
6005
6006 memcpy(p, ldt_table, size);
6007 unlock_user(p, ptr, size);
6008 return size;
6009}
6010
6011
6012static abi_long write_ldt(CPUX86State *env,
6013 abi_ulong ptr, unsigned long bytecount, int oldmode)
6014{
6015 struct target_modify_ldt_ldt_s ldt_info;
6016 struct target_modify_ldt_ldt_s *target_ldt_info;
6017 int seg_32bit, contents, read_exec_only, limit_in_pages;
6018 int seg_not_present, useable, lm;
6019 uint32_t *lp, entry_1, entry_2;
6020
6021 if (bytecount != sizeof(ldt_info))
6022 return -TARGET_EINVAL;
6023 if (!lock_user_struct(VERIFY_READ, target_ldt_info, ptr, 1))
6024 return -TARGET_EFAULT;
6025 ldt_info.entry_number = tswap32(target_ldt_info->entry_number);
6026 ldt_info.base_addr = tswapal(target_ldt_info->base_addr);
6027 ldt_info.limit = tswap32(target_ldt_info->limit);
6028 ldt_info.flags = tswap32(target_ldt_info->flags);
6029 unlock_user_struct(target_ldt_info, ptr, 0);
6030
6031 if (ldt_info.entry_number >= TARGET_LDT_ENTRIES)
6032 return -TARGET_EINVAL;
6033 seg_32bit = ldt_info.flags & 1;
6034 contents = (ldt_info.flags >> 1) & 3;
6035 read_exec_only = (ldt_info.flags >> 3) & 1;
6036 limit_in_pages = (ldt_info.flags >> 4) & 1;
6037 seg_not_present = (ldt_info.flags >> 5) & 1;
6038 useable = (ldt_info.flags >> 6) & 1;
6039#ifdef TARGET_ABI32
6040 lm = 0;
6041#else
6042 lm = (ldt_info.flags >> 7) & 1;
6043#endif
6044 if (contents == 3) {
6045 if (oldmode)
6046 return -TARGET_EINVAL;
6047 if (seg_not_present == 0)
6048 return -TARGET_EINVAL;
6049 }
6050
6051 if (!ldt_table) {
6052 env->ldt.base = target_mmap(0,
6053 TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE,
6054 PROT_READ|PROT_WRITE,
6055 MAP_ANONYMOUS|MAP_PRIVATE, -1, 0);
6056 if (env->ldt.base == -1)
6057 return -TARGET_ENOMEM;
6058 memset(g2h_untagged(env->ldt.base), 0,
6059 TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE);
6060 env->ldt.limit = 0xffff;
6061 ldt_table = g2h_untagged(env->ldt.base);
6062 }
6063
6064
6065
6066 if (ldt_info.base_addr == 0 && ldt_info.limit == 0) {
6067 if (oldmode ||
6068 (contents == 0 &&
6069 read_exec_only == 1 &&
6070 seg_32bit == 0 &&
6071 limit_in_pages == 0 &&
6072 seg_not_present == 1 &&
6073 useable == 0 )) {
6074 entry_1 = 0;
6075 entry_2 = 0;
6076 goto install;
6077 }
6078 }
6079
6080 entry_1 = ((ldt_info.base_addr & 0x0000ffff) << 16) |
6081 (ldt_info.limit & 0x0ffff);
6082 entry_2 = (ldt_info.base_addr & 0xff000000) |
6083 ((ldt_info.base_addr & 0x00ff0000) >> 16) |
6084 (ldt_info.limit & 0xf0000) |
6085 ((read_exec_only ^ 1) << 9) |
6086 (contents << 10) |
6087 ((seg_not_present ^ 1) << 15) |
6088 (seg_32bit << 22) |
6089 (limit_in_pages << 23) |
6090 (lm << 21) |
6091 0x7000;
6092 if (!oldmode)
6093 entry_2 |= (useable << 20);
6094
6095
6096install:
6097 lp = (uint32_t *)(ldt_table + (ldt_info.entry_number << 3));
6098 lp[0] = tswap32(entry_1);
6099 lp[1] = tswap32(entry_2);
6100 return 0;
6101}
6102
6103
6104static abi_long do_modify_ldt(CPUX86State *env, int func, abi_ulong ptr,
6105 unsigned long bytecount)
6106{
6107 abi_long ret;
6108
6109 switch (func) {
6110 case 0:
6111 ret = read_ldt(ptr, bytecount);
6112 break;
6113 case 1:
6114 ret = write_ldt(env, ptr, bytecount, 1);
6115 break;
6116 case 0x11:
6117 ret = write_ldt(env, ptr, bytecount, 0);
6118 break;
6119 default:
6120 ret = -TARGET_ENOSYS;
6121 break;
6122 }
6123 return ret;
6124}
6125
6126#if defined(TARGET_ABI32)
6127abi_long do_set_thread_area(CPUX86State *env, abi_ulong ptr)
6128{
6129 uint64_t *gdt_table = g2h_untagged(env->gdt.base);
6130 struct target_modify_ldt_ldt_s ldt_info;
6131 struct target_modify_ldt_ldt_s *target_ldt_info;
6132 int seg_32bit, contents, read_exec_only, limit_in_pages;
6133 int seg_not_present, useable, lm;
6134 uint32_t *lp, entry_1, entry_2;
6135 int i;
6136
6137 lock_user_struct(VERIFY_WRITE, target_ldt_info, ptr, 1);
6138 if (!target_ldt_info)
6139 return -TARGET_EFAULT;
6140 ldt_info.entry_number = tswap32(target_ldt_info->entry_number);
6141 ldt_info.base_addr = tswapal(target_ldt_info->base_addr);
6142 ldt_info.limit = tswap32(target_ldt_info->limit);
6143 ldt_info.flags = tswap32(target_ldt_info->flags);
6144 if (ldt_info.entry_number == -1) {
6145 for (i=TARGET_GDT_ENTRY_TLS_MIN; i<=TARGET_GDT_ENTRY_TLS_MAX; i++) {
6146 if (gdt_table[i] == 0) {
6147 ldt_info.entry_number = i;
6148 target_ldt_info->entry_number = tswap32(i);
6149 break;
6150 }
6151 }
6152 }
6153 unlock_user_struct(target_ldt_info, ptr, 1);
6154
6155 if (ldt_info.entry_number < TARGET_GDT_ENTRY_TLS_MIN ||
6156 ldt_info.entry_number > TARGET_GDT_ENTRY_TLS_MAX)
6157 return -TARGET_EINVAL;
6158 seg_32bit = ldt_info.flags & 1;
6159 contents = (ldt_info.flags >> 1) & 3;
6160 read_exec_only = (ldt_info.flags >> 3) & 1;
6161 limit_in_pages = (ldt_info.flags >> 4) & 1;
6162 seg_not_present = (ldt_info.flags >> 5) & 1;
6163 useable = (ldt_info.flags >> 6) & 1;
6164#ifdef TARGET_ABI32
6165 lm = 0;
6166#else
6167 lm = (ldt_info.flags >> 7) & 1;
6168#endif
6169
6170 if (contents == 3) {
6171 if (seg_not_present == 0)
6172 return -TARGET_EINVAL;
6173 }
6174
6175
6176
6177 if (ldt_info.base_addr == 0 && ldt_info.limit == 0) {
6178 if ((contents == 0 &&
6179 read_exec_only == 1 &&
6180 seg_32bit == 0 &&
6181 limit_in_pages == 0 &&
6182 seg_not_present == 1 &&
6183 useable == 0 )) {
6184 entry_1 = 0;
6185 entry_2 = 0;
6186 goto install;
6187 }
6188 }
6189
6190 entry_1 = ((ldt_info.base_addr & 0x0000ffff) << 16) |
6191 (ldt_info.limit & 0x0ffff);
6192 entry_2 = (ldt_info.base_addr & 0xff000000) |
6193 ((ldt_info.base_addr & 0x00ff0000) >> 16) |
6194 (ldt_info.limit & 0xf0000) |
6195 ((read_exec_only ^ 1) << 9) |
6196 (contents << 10) |
6197 ((seg_not_present ^ 1) << 15) |
6198 (seg_32bit << 22) |
6199 (limit_in_pages << 23) |
6200 (useable << 20) |
6201 (lm << 21) |
6202 0x7000;
6203
6204
6205install:
6206 lp = (uint32_t *)(gdt_table + ldt_info.entry_number);
6207 lp[0] = tswap32(entry_1);
6208 lp[1] = tswap32(entry_2);
6209 return 0;
6210}
6211
6212static abi_long do_get_thread_area(CPUX86State *env, abi_ulong ptr)
6213{
6214 struct target_modify_ldt_ldt_s *target_ldt_info;
6215 uint64_t *gdt_table = g2h_untagged(env->gdt.base);
6216 uint32_t base_addr, limit, flags;
6217 int seg_32bit, contents, read_exec_only, limit_in_pages, idx;
6218 int seg_not_present, useable, lm;
6219 uint32_t *lp, entry_1, entry_2;
6220
6221 lock_user_struct(VERIFY_WRITE, target_ldt_info, ptr, 1);
6222 if (!target_ldt_info)
6223 return -TARGET_EFAULT;
6224 idx = tswap32(target_ldt_info->entry_number);
6225 if (idx < TARGET_GDT_ENTRY_TLS_MIN ||
6226 idx > TARGET_GDT_ENTRY_TLS_MAX) {
6227 unlock_user_struct(target_ldt_info, ptr, 1);
6228 return -TARGET_EINVAL;
6229 }
6230 lp = (uint32_t *)(gdt_table + idx);
6231 entry_1 = tswap32(lp[0]);
6232 entry_2 = tswap32(lp[1]);
6233
6234 read_exec_only = ((entry_2 >> 9) & 1) ^ 1;
6235 contents = (entry_2 >> 10) & 3;
6236 seg_not_present = ((entry_2 >> 15) & 1) ^ 1;
6237 seg_32bit = (entry_2 >> 22) & 1;
6238 limit_in_pages = (entry_2 >> 23) & 1;
6239 useable = (entry_2 >> 20) & 1;
6240#ifdef TARGET_ABI32
6241 lm = 0;
6242#else
6243 lm = (entry_2 >> 21) & 1;
6244#endif
6245 flags = (seg_32bit << 0) | (contents << 1) |
6246 (read_exec_only << 3) | (limit_in_pages << 4) |
6247 (seg_not_present << 5) | (useable << 6) | (lm << 7);
6248 limit = (entry_1 & 0xffff) | (entry_2 & 0xf0000);
6249 base_addr = (entry_1 >> 16) |
6250 (entry_2 & 0xff000000) |
6251 ((entry_2 & 0xff) << 16);
6252 target_ldt_info->base_addr = tswapal(base_addr);
6253 target_ldt_info->limit = tswap32(limit);
6254 target_ldt_info->flags = tswap32(flags);
6255 unlock_user_struct(target_ldt_info, ptr, 1);
6256 return 0;
6257}
6258
6259abi_long do_arch_prctl(CPUX86State *env, int code, abi_ulong addr)
6260{
6261 return -TARGET_ENOSYS;
6262}
6263#else
6264abi_long do_arch_prctl(CPUX86State *env, int code, abi_ulong addr)
6265{
6266 abi_long ret = 0;
6267 abi_ulong val;
6268 int idx;
6269
6270 switch(code) {
6271 case TARGET_ARCH_SET_GS:
6272 case TARGET_ARCH_SET_FS:
6273 if (code == TARGET_ARCH_SET_GS)
6274 idx = R_GS;
6275 else
6276 idx = R_FS;
6277 cpu_x86_load_seg(env, idx, 0);
6278 env->segs[idx].base = addr;
6279 break;
6280 case TARGET_ARCH_GET_GS:
6281 case TARGET_ARCH_GET_FS:
6282 if (code == TARGET_ARCH_GET_GS)
6283 idx = R_GS;
6284 else
6285 idx = R_FS;
6286 val = env->segs[idx].base;
6287 if (put_user(val, addr, abi_ulong))
6288 ret = -TARGET_EFAULT;
6289 break;
6290 default:
6291 ret = -TARGET_EINVAL;
6292 break;
6293 }
6294 return ret;
6295}
6296#endif
6297#endif
6298
6299
6300
6301
6302#ifndef PR_SET_NAME
6303# define PR_SET_NAME 15
6304# define PR_GET_NAME 16
6305#endif
6306#ifndef PR_SET_FP_MODE
6307# define PR_SET_FP_MODE 45
6308# define PR_GET_FP_MODE 46
6309# define PR_FP_MODE_FR (1 << 0)
6310# define PR_FP_MODE_FRE (1 << 1)
6311#endif
6312#ifndef PR_SVE_SET_VL
6313# define PR_SVE_SET_VL 50
6314# define PR_SVE_GET_VL 51
6315# define PR_SVE_VL_LEN_MASK 0xffff
6316# define PR_SVE_VL_INHERIT (1 << 17)
6317#endif
6318#ifndef PR_PAC_RESET_KEYS
6319# define PR_PAC_RESET_KEYS 54
6320# define PR_PAC_APIAKEY (1 << 0)
6321# define PR_PAC_APIBKEY (1 << 1)
6322# define PR_PAC_APDAKEY (1 << 2)
6323# define PR_PAC_APDBKEY (1 << 3)
6324# define PR_PAC_APGAKEY (1 << 4)
6325#endif
6326#ifndef PR_SET_TAGGED_ADDR_CTRL
6327# define PR_SET_TAGGED_ADDR_CTRL 55
6328# define PR_GET_TAGGED_ADDR_CTRL 56
6329# define PR_TAGGED_ADDR_ENABLE (1UL << 0)
6330#endif
6331#ifndef PR_MTE_TCF_SHIFT
6332# define PR_MTE_TCF_SHIFT 1
6333# define PR_MTE_TCF_NONE (0UL << PR_MTE_TCF_SHIFT)
6334# define PR_MTE_TCF_SYNC (1UL << PR_MTE_TCF_SHIFT)
6335# define PR_MTE_TCF_ASYNC (2UL << PR_MTE_TCF_SHIFT)
6336# define PR_MTE_TCF_MASK (3UL << PR_MTE_TCF_SHIFT)
6337# define PR_MTE_TAG_SHIFT 3
6338# define PR_MTE_TAG_MASK (0xffffUL << PR_MTE_TAG_SHIFT)
6339#endif
6340#ifndef PR_SET_IO_FLUSHER
6341# define PR_SET_IO_FLUSHER 57
6342# define PR_GET_IO_FLUSHER 58
6343#endif
6344#ifndef PR_SET_SYSCALL_USER_DISPATCH
6345# define PR_SET_SYSCALL_USER_DISPATCH 59
6346#endif
6347
6348#include "target_prctl.h"
6349
6350static abi_long do_prctl_inval0(CPUArchState *env)
6351{
6352 return -TARGET_EINVAL;
6353}
6354
6355static abi_long do_prctl_inval1(CPUArchState *env, abi_long arg2)
6356{
6357 return -TARGET_EINVAL;
6358}
6359
6360#ifndef do_prctl_get_fp_mode
6361#define do_prctl_get_fp_mode do_prctl_inval0
6362#endif
6363#ifndef do_prctl_set_fp_mode
6364#define do_prctl_set_fp_mode do_prctl_inval1
6365#endif
6366#ifndef do_prctl_get_vl
6367#define do_prctl_get_vl do_prctl_inval0
6368#endif
6369#ifndef do_prctl_set_vl
6370#define do_prctl_set_vl do_prctl_inval1
6371#endif
6372#ifndef do_prctl_reset_keys
6373#define do_prctl_reset_keys do_prctl_inval1
6374#endif
6375#ifndef do_prctl_set_tagged_addr_ctrl
6376#define do_prctl_set_tagged_addr_ctrl do_prctl_inval1
6377#endif
6378#ifndef do_prctl_get_tagged_addr_ctrl
6379#define do_prctl_get_tagged_addr_ctrl do_prctl_inval0
6380#endif
6381#ifndef do_prctl_get_unalign
6382#define do_prctl_get_unalign do_prctl_inval1
6383#endif
6384#ifndef do_prctl_set_unalign
6385#define do_prctl_set_unalign do_prctl_inval1
6386#endif
6387
6388static abi_long do_prctl(CPUArchState *env, abi_long option, abi_long arg2,
6389 abi_long arg3, abi_long arg4, abi_long arg5)
6390{
6391 abi_long ret;
6392
6393 switch (option) {
6394 case PR_GET_PDEATHSIG:
6395 {
6396 int deathsig;
6397 ret = get_errno(prctl(PR_GET_PDEATHSIG, &deathsig,
6398 arg3, arg4, arg5));
6399 if (!is_error(ret) &&
6400 put_user_s32(host_to_target_signal(deathsig), arg2)) {
6401 return -TARGET_EFAULT;
6402 }
6403 return ret;
6404 }
6405 case PR_SET_PDEATHSIG:
6406 return get_errno(prctl(PR_SET_PDEATHSIG, target_to_host_signal(arg2),
6407 arg3, arg4, arg5));
6408 case PR_GET_NAME:
6409 {
6410 void *name = lock_user(VERIFY_WRITE, arg2, 16, 1);
6411 if (!name) {
6412 return -TARGET_EFAULT;
6413 }
6414 ret = get_errno(prctl(PR_GET_NAME, (uintptr_t)name,
6415 arg3, arg4, arg5));
6416 unlock_user(name, arg2, 16);
6417 return ret;
6418 }
6419 case PR_SET_NAME:
6420 {
6421 void *name = lock_user(VERIFY_READ, arg2, 16, 1);
6422 if (!name) {
6423 return -TARGET_EFAULT;
6424 }
6425 ret = get_errno(prctl(PR_SET_NAME, (uintptr_t)name,
6426 arg3, arg4, arg5));
6427 unlock_user(name, arg2, 0);
6428 return ret;
6429 }
6430 case PR_GET_FP_MODE:
6431 return do_prctl_get_fp_mode(env);
6432 case PR_SET_FP_MODE:
6433 return do_prctl_set_fp_mode(env, arg2);
6434 case PR_SVE_GET_VL:
6435 return do_prctl_get_vl(env);
6436 case PR_SVE_SET_VL:
6437 return do_prctl_set_vl(env, arg2);
6438 case PR_PAC_RESET_KEYS:
6439 if (arg3 || arg4 || arg5) {
6440 return -TARGET_EINVAL;
6441 }
6442 return do_prctl_reset_keys(env, arg2);
6443 case PR_SET_TAGGED_ADDR_CTRL:
6444 if (arg3 || arg4 || arg5) {
6445 return -TARGET_EINVAL;
6446 }
6447 return do_prctl_set_tagged_addr_ctrl(env, arg2);
6448 case PR_GET_TAGGED_ADDR_CTRL:
6449 if (arg2 || arg3 || arg4 || arg5) {
6450 return -TARGET_EINVAL;
6451 }
6452 return do_prctl_get_tagged_addr_ctrl(env);
6453
6454 case PR_GET_UNALIGN:
6455 return do_prctl_get_unalign(env, arg2);
6456 case PR_SET_UNALIGN:
6457 return do_prctl_set_unalign(env, arg2);
6458
6459 case PR_CAP_AMBIENT:
6460 case PR_CAPBSET_READ:
6461 case PR_CAPBSET_DROP:
6462 case PR_GET_DUMPABLE:
6463 case PR_SET_DUMPABLE:
6464 case PR_GET_KEEPCAPS:
6465 case PR_SET_KEEPCAPS:
6466 case PR_GET_SECUREBITS:
6467 case PR_SET_SECUREBITS:
6468 case PR_GET_TIMING:
6469 case PR_SET_TIMING:
6470 case PR_GET_TIMERSLACK:
6471 case PR_SET_TIMERSLACK:
6472 case PR_MCE_KILL:
6473 case PR_MCE_KILL_GET:
6474 case PR_GET_NO_NEW_PRIVS:
6475 case PR_SET_NO_NEW_PRIVS:
6476 case PR_GET_IO_FLUSHER:
6477 case PR_SET_IO_FLUSHER:
6478
6479 return get_errno(prctl(option, arg2, arg3, arg4, arg5));
6480
6481 case PR_GET_CHILD_SUBREAPER:
6482 case PR_SET_CHILD_SUBREAPER:
6483 case PR_GET_SPECULATION_CTRL:
6484 case PR_SET_SPECULATION_CTRL:
6485 case PR_GET_TID_ADDRESS:
6486
6487 return -TARGET_EINVAL;
6488
6489 case PR_GET_FPEXC:
6490 case PR_SET_FPEXC:
6491
6492 return -TARGET_EINVAL;
6493
6494 case PR_GET_ENDIAN:
6495 case PR_SET_ENDIAN:
6496 case PR_GET_FPEMU:
6497 case PR_SET_FPEMU:
6498 case PR_SET_MM:
6499 case PR_GET_SECCOMP:
6500 case PR_SET_SECCOMP:
6501 case PR_SET_SYSCALL_USER_DISPATCH:
6502 case PR_GET_THP_DISABLE:
6503 case PR_SET_THP_DISABLE:
6504 case PR_GET_TSC:
6505 case PR_SET_TSC:
6506
6507 return -TARGET_EINVAL;
6508
6509 default:
6510 qemu_log_mask(LOG_UNIMP, "Unsupported prctl: " TARGET_ABI_FMT_ld "\n",
6511 option);
6512 return -TARGET_EINVAL;
6513 }
6514}
6515
6516#define NEW_STACK_SIZE 0x40000
6517
6518
6519static pthread_mutex_t clone_lock = PTHREAD_MUTEX_INITIALIZER;
6520typedef struct {
6521 CPUArchState *env;
6522 pthread_mutex_t mutex;
6523 pthread_cond_t cond;
6524 pthread_t thread;
6525 uint32_t tid;
6526 abi_ulong child_tidptr;
6527 abi_ulong parent_tidptr;
6528 sigset_t sigmask;
6529} new_thread_info;
6530
6531static void *clone_func(void *arg)
6532{
6533 new_thread_info *info = arg;
6534 CPUArchState *env;
6535 CPUState *cpu;
6536 TaskState *ts;
6537
6538 rcu_register_thread();
6539 tcg_register_thread();
6540 env = info->env;
6541 cpu = env_cpu(env);
6542 thread_cpu = cpu;
6543 ts = (TaskState *)cpu->opaque;
6544 info->tid = sys_gettid();
6545 task_settid(ts);
6546 if (info->child_tidptr)
6547 put_user_u32(info->tid, info->child_tidptr);
6548 if (info->parent_tidptr)
6549 put_user_u32(info->tid, info->parent_tidptr);
6550 qemu_guest_random_seed_thread_part2(cpu->random_seed);
6551
6552 sigprocmask(SIG_SETMASK, &info->sigmask, NULL);
6553
6554 pthread_mutex_lock(&info->mutex);
6555 pthread_cond_broadcast(&info->cond);
6556 pthread_mutex_unlock(&info->mutex);
6557
6558 pthread_mutex_lock(&clone_lock);
6559 pthread_mutex_unlock(&clone_lock);
6560 cpu_loop(env);
6561
6562 return NULL;
6563}
6564
6565
6566
6567static int do_fork(CPUArchState *env, unsigned int flags, abi_ulong newsp,
6568 abi_ulong parent_tidptr, target_ulong newtls,
6569 abi_ulong child_tidptr)
6570{
6571 CPUState *cpu = env_cpu(env);
6572 int ret;
6573 TaskState *ts;
6574 CPUState *new_cpu;
6575 CPUArchState *new_env;
6576 sigset_t sigmask;
6577
6578 flags &= ~CLONE_IGNORED_FLAGS;
6579
6580
6581 if (flags & CLONE_VFORK)
6582 flags &= ~(CLONE_VFORK | CLONE_VM);
6583
6584 if (flags & CLONE_VM) {
6585 TaskState *parent_ts = (TaskState *)cpu->opaque;
6586 new_thread_info info;
6587 pthread_attr_t attr;
6588
6589 if (((flags & CLONE_THREAD_FLAGS) != CLONE_THREAD_FLAGS) ||
6590 (flags & CLONE_INVALID_THREAD_FLAGS)) {
6591 return -TARGET_EINVAL;
6592 }
6593
6594 ts = g_new0(TaskState, 1);
6595 init_task_state(ts);
6596
6597
6598 pthread_mutex_lock(&clone_lock);
6599
6600
6601
6602
6603
6604
6605 if (!(cpu->tcg_cflags & CF_PARALLEL)) {
6606 cpu->tcg_cflags |= CF_PARALLEL;
6607 tb_flush(cpu);
6608 }
6609
6610
6611 new_env = cpu_copy(env);
6612
6613 cpu_clone_regs_child(new_env, newsp, flags);
6614 cpu_clone_regs_parent(env, flags);
6615 new_cpu = env_cpu(new_env);
6616 new_cpu->opaque = ts;
6617 ts->bprm = parent_ts->bprm;
6618 ts->info = parent_ts->info;
6619 ts->signal_mask = parent_ts->signal_mask;
6620
6621 if (flags & CLONE_CHILD_CLEARTID) {
6622 ts->child_tidptr = child_tidptr;
6623 }
6624
6625 if (flags & CLONE_SETTLS) {
6626 cpu_set_tls (new_env, newtls);
6627 }
6628
6629 memset(&info, 0, sizeof(info));
6630 pthread_mutex_init(&info.mutex, NULL);
6631 pthread_mutex_lock(&info.mutex);
6632 pthread_cond_init(&info.cond, NULL);
6633 info.env = new_env;
6634 if (flags & CLONE_CHILD_SETTID) {
6635 info.child_tidptr = child_tidptr;
6636 }
6637 if (flags & CLONE_PARENT_SETTID) {
6638 info.parent_tidptr = parent_tidptr;
6639 }
6640
6641 ret = pthread_attr_init(&attr);
6642 ret = pthread_attr_setstacksize(&attr, NEW_STACK_SIZE);
6643 ret = pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED);
6644
6645
6646 sigfillset(&sigmask);
6647 sigprocmask(SIG_BLOCK, &sigmask, &info.sigmask);
6648 cpu->random_seed = qemu_guest_random_seed_thread_part1();
6649
6650 ret = pthread_create(&info.thread, &attr, clone_func, &info);
6651
6652
6653 sigprocmask(SIG_SETMASK, &info.sigmask, NULL);
6654 pthread_attr_destroy(&attr);
6655 if (ret == 0) {
6656
6657 pthread_cond_wait(&info.cond, &info.mutex);
6658 ret = info.tid;
6659 } else {
6660 ret = -1;
6661 }
6662 pthread_mutex_unlock(&info.mutex);
6663 pthread_cond_destroy(&info.cond);
6664 pthread_mutex_destroy(&info.mutex);
6665 pthread_mutex_unlock(&clone_lock);
6666 } else {
6667
6668 if (flags & CLONE_INVALID_FORK_FLAGS) {
6669 return -TARGET_EINVAL;
6670 }
6671
6672
6673 if ((flags & CSIGNAL) != TARGET_SIGCHLD) {
6674 return -TARGET_EINVAL;
6675 }
6676
6677 if (block_signals()) {
6678 return -QEMU_ERESTARTSYS;
6679 }
6680
6681 fork_start();
6682 ret = fork();
6683 if (ret == 0) {
6684
6685 cpu_clone_regs_child(env, newsp, flags);
6686 fork_end(1);
6687
6688
6689
6690
6691
6692
6693 if (flags & CLONE_CHILD_SETTID)
6694 put_user_u32(sys_gettid(), child_tidptr);
6695 if (flags & CLONE_PARENT_SETTID)
6696 put_user_u32(sys_gettid(), parent_tidptr);
6697 ts = (TaskState *)cpu->opaque;
6698 if (flags & CLONE_SETTLS)
6699 cpu_set_tls (env, newtls);
6700 if (flags & CLONE_CHILD_CLEARTID)
6701 ts->child_tidptr = child_tidptr;
6702 } else {
6703 cpu_clone_regs_parent(env, flags);
6704 fork_end(0);
6705 }
6706 }
6707 return ret;
6708}
6709
6710
6711static int target_to_host_fcntl_cmd(int cmd)
6712{
6713 int ret;
6714
6715 switch(cmd) {
6716 case TARGET_F_DUPFD:
6717 case TARGET_F_GETFD:
6718 case TARGET_F_SETFD:
6719 case TARGET_F_GETFL:
6720 case TARGET_F_SETFL:
6721 case TARGET_F_OFD_GETLK:
6722 case TARGET_F_OFD_SETLK:
6723 case TARGET_F_OFD_SETLKW:
6724 ret = cmd;
6725 break;
6726 case TARGET_F_GETLK:
6727 ret = F_GETLK64;
6728 break;
6729 case TARGET_F_SETLK:
6730 ret = F_SETLK64;
6731 break;
6732 case TARGET_F_SETLKW:
6733 ret = F_SETLKW64;
6734 break;
6735 case TARGET_F_GETOWN:
6736 ret = F_GETOWN;
6737 break;
6738 case TARGET_F_SETOWN:
6739 ret = F_SETOWN;
6740 break;
6741 case TARGET_F_GETSIG:
6742 ret = F_GETSIG;
6743 break;
6744 case TARGET_F_SETSIG:
6745 ret = F_SETSIG;
6746 break;
6747#if TARGET_ABI_BITS == 32
6748 case TARGET_F_GETLK64:
6749 ret = F_GETLK64;
6750 break;
6751 case TARGET_F_SETLK64:
6752 ret = F_SETLK64;
6753 break;
6754 case TARGET_F_SETLKW64:
6755 ret = F_SETLKW64;
6756 break;
6757#endif
6758 case TARGET_F_SETLEASE:
6759 ret = F_SETLEASE;
6760 break;
6761 case TARGET_F_GETLEASE:
6762 ret = F_GETLEASE;
6763 break;
6764#ifdef F_DUPFD_CLOEXEC
6765 case TARGET_F_DUPFD_CLOEXEC:
6766 ret = F_DUPFD_CLOEXEC;
6767 break;
6768#endif
6769 case TARGET_F_NOTIFY:
6770 ret = F_NOTIFY;
6771 break;
6772#ifdef F_GETOWN_EX
6773 case TARGET_F_GETOWN_EX:
6774 ret = F_GETOWN_EX;
6775 break;
6776#endif
6777#ifdef F_SETOWN_EX
6778 case TARGET_F_SETOWN_EX:
6779 ret = F_SETOWN_EX;
6780 break;
6781#endif
6782#ifdef F_SETPIPE_SZ
6783 case TARGET_F_SETPIPE_SZ:
6784 ret = F_SETPIPE_SZ;
6785 break;
6786 case TARGET_F_GETPIPE_SZ:
6787 ret = F_GETPIPE_SZ;
6788 break;
6789#endif
6790#ifdef F_ADD_SEALS
6791 case TARGET_F_ADD_SEALS:
6792 ret = F_ADD_SEALS;
6793 break;
6794 case TARGET_F_GET_SEALS:
6795 ret = F_GET_SEALS;
6796 break;
6797#endif
6798 default:
6799 ret = -TARGET_EINVAL;
6800 break;
6801 }
6802
6803#if defined(__powerpc64__)
6804
6805
6806
6807
6808
6809 if (ret >= F_GETLK64 && ret <= F_SETLKW64) {
6810 ret -= F_GETLK64 - 5;
6811 }
6812#endif
6813
6814 return ret;
6815}
6816
6817#define FLOCK_TRANSTBL \
6818 switch (type) { \
6819 TRANSTBL_CONVERT(F_RDLCK); \
6820 TRANSTBL_CONVERT(F_WRLCK); \
6821 TRANSTBL_CONVERT(F_UNLCK); \
6822 }
6823
6824static int target_to_host_flock(int type)
6825{
6826#define TRANSTBL_CONVERT(a) case TARGET_##a: return a
6827 FLOCK_TRANSTBL
6828#undef TRANSTBL_CONVERT
6829 return -TARGET_EINVAL;
6830}
6831
6832static int host_to_target_flock(int type)
6833{
6834#define TRANSTBL_CONVERT(a) case a: return TARGET_##a
6835 FLOCK_TRANSTBL
6836#undef TRANSTBL_CONVERT
6837
6838
6839
6840 return type;
6841}
6842
6843static inline abi_long copy_from_user_flock(struct flock64 *fl,
6844 abi_ulong target_flock_addr)
6845{
6846 struct target_flock *target_fl;
6847 int l_type;
6848
6849 if (!lock_user_struct(VERIFY_READ, target_fl, target_flock_addr, 1)) {
6850 return -TARGET_EFAULT;
6851 }
6852
6853 __get_user(l_type, &target_fl->l_type);
6854 l_type = target_to_host_flock(l_type);
6855 if (l_type < 0) {
6856 return l_type;
6857 }
6858 fl->l_type = l_type;
6859 __get_user(fl->l_whence, &target_fl->l_whence);
6860 __get_user(fl->l_start, &target_fl->l_start);
6861 __get_user(fl->l_len, &target_fl->l_len);
6862 __get_user(fl->l_pid, &target_fl->l_pid);
6863 unlock_user_struct(target_fl, target_flock_addr, 0);
6864 return 0;
6865}
6866
6867static inline abi_long copy_to_user_flock(abi_ulong target_flock_addr,
6868 const struct flock64 *fl)
6869{
6870 struct target_flock *target_fl;
6871 short l_type;
6872
6873 if (!lock_user_struct(VERIFY_WRITE, target_fl, target_flock_addr, 0)) {
6874 return -TARGET_EFAULT;
6875 }
6876
6877 l_type = host_to_target_flock(fl->l_type);
6878 __put_user(l_type, &target_fl->l_type);
6879 __put_user(fl->l_whence, &target_fl->l_whence);
6880 __put_user(fl->l_start, &target_fl->l_start);
6881 __put_user(fl->l_len, &target_fl->l_len);
6882 __put_user(fl->l_pid, &target_fl->l_pid);
6883 unlock_user_struct(target_fl, target_flock_addr, 1);
6884 return 0;
6885}
6886
6887typedef abi_long from_flock64_fn(struct flock64 *fl, abi_ulong target_addr);
6888typedef abi_long to_flock64_fn(abi_ulong target_addr, const struct flock64 *fl);
6889
6890#if defined(TARGET_ARM) && TARGET_ABI_BITS == 32
6891struct target_oabi_flock64 {
6892 abi_short l_type;
6893 abi_short l_whence;
6894 abi_llong l_start;
6895 abi_llong l_len;
6896 abi_int l_pid;
6897} QEMU_PACKED;
6898
6899static inline abi_long copy_from_user_oabi_flock64(struct flock64 *fl,
6900 abi_ulong target_flock_addr)
6901{
6902 struct target_oabi_flock64 *target_fl;
6903 int l_type;
6904
6905 if (!lock_user_struct(VERIFY_READ, target_fl, target_flock_addr, 1)) {
6906 return -TARGET_EFAULT;
6907 }
6908
6909 __get_user(l_type, &target_fl->l_type);
6910 l_type = target_to_host_flock(l_type);
6911 if (l_type < 0) {
6912 return l_type;
6913 }
6914 fl->l_type = l_type;
6915 __get_user(fl->l_whence, &target_fl->l_whence);
6916 __get_user(fl->l_start, &target_fl->l_start);
6917 __get_user(fl->l_len, &target_fl->l_len);
6918 __get_user(fl->l_pid, &target_fl->l_pid);
6919 unlock_user_struct(target_fl, target_flock_addr, 0);
6920 return 0;
6921}
6922
6923static inline abi_long copy_to_user_oabi_flock64(abi_ulong target_flock_addr,
6924 const struct flock64 *fl)
6925{
6926 struct target_oabi_flock64 *target_fl;
6927 short l_type;
6928
6929 if (!lock_user_struct(VERIFY_WRITE, target_fl, target_flock_addr, 0)) {
6930 return -TARGET_EFAULT;
6931 }
6932
6933 l_type = host_to_target_flock(fl->l_type);
6934 __put_user(l_type, &target_fl->l_type);
6935 __put_user(fl->l_whence, &target_fl->l_whence);
6936 __put_user(fl->l_start, &target_fl->l_start);
6937 __put_user(fl->l_len, &target_fl->l_len);
6938 __put_user(fl->l_pid, &target_fl->l_pid);
6939 unlock_user_struct(target_fl, target_flock_addr, 1);
6940 return 0;
6941}
6942#endif
6943
6944static inline abi_long copy_from_user_flock64(struct flock64 *fl,
6945 abi_ulong target_flock_addr)
6946{
6947 struct target_flock64 *target_fl;
6948 int l_type;
6949
6950 if (!lock_user_struct(VERIFY_READ, target_fl, target_flock_addr, 1)) {
6951 return -TARGET_EFAULT;
6952 }
6953
6954 __get_user(l_type, &target_fl->l_type);
6955 l_type = target_to_host_flock(l_type);
6956 if (l_type < 0) {
6957 return l_type;
6958 }
6959 fl->l_type = l_type;
6960 __get_user(fl->l_whence, &target_fl->l_whence);
6961 __get_user(fl->l_start, &target_fl->l_start);
6962 __get_user(fl->l_len, &target_fl->l_len);
6963 __get_user(fl->l_pid, &target_fl->l_pid);
6964 unlock_user_struct(target_fl, target_flock_addr, 0);
6965 return 0;
6966}
6967
6968static inline abi_long copy_to_user_flock64(abi_ulong target_flock_addr,
6969 const struct flock64 *fl)
6970{
6971 struct target_flock64 *target_fl;
6972 short l_type;
6973
6974 if (!lock_user_struct(VERIFY_WRITE, target_fl, target_flock_addr, 0)) {
6975 return -TARGET_EFAULT;
6976 }
6977
6978 l_type = host_to_target_flock(fl->l_type);
6979 __put_user(l_type, &target_fl->l_type);
6980 __put_user(fl->l_whence, &target_fl->l_whence);
6981 __put_user(fl->l_start, &target_fl->l_start);
6982 __put_user(fl->l_len, &target_fl->l_len);
6983 __put_user(fl->l_pid, &target_fl->l_pid);
6984 unlock_user_struct(target_fl, target_flock_addr, 1);
6985 return 0;
6986}
6987
6988static abi_long do_fcntl(int fd, int cmd, abi_ulong arg)
6989{
6990 struct flock64 fl64;
6991#ifdef F_GETOWN_EX
6992 struct f_owner_ex fox;
6993 struct target_f_owner_ex *target_fox;
6994#endif
6995 abi_long ret;
6996 int host_cmd = target_to_host_fcntl_cmd(cmd);
6997
6998 if (host_cmd == -TARGET_EINVAL)
6999 return host_cmd;
7000
7001 switch(cmd) {
7002 case TARGET_F_GETLK:
7003 ret = copy_from_user_flock(&fl64, arg);
7004 if (ret) {
7005 return ret;
7006 }
7007 ret = get_errno(safe_fcntl(fd, host_cmd, &fl64));
7008 if (ret == 0) {
7009 ret = copy_to_user_flock(arg, &fl64);
7010 }
7011 break;
7012
7013 case TARGET_F_SETLK:
7014 case TARGET_F_SETLKW:
7015 ret = copy_from_user_flock(&fl64, arg);
7016 if (ret) {
7017 return ret;
7018 }
7019 ret = get_errno(safe_fcntl(fd, host_cmd, &fl64));
7020 break;
7021
7022 case TARGET_F_GETLK64:
7023 case TARGET_F_OFD_GETLK:
7024 ret = copy_from_user_flock64(&fl64, arg);
7025 if (ret) {
7026 return ret;
7027 }
7028 ret = get_errno(safe_fcntl(fd, host_cmd, &fl64));
7029 if (ret == 0) {
7030 ret = copy_to_user_flock64(arg, &fl64);
7031 }
7032 break;
7033 case TARGET_F_SETLK64:
7034 case TARGET_F_SETLKW64:
7035 case TARGET_F_OFD_SETLK:
7036 case TARGET_F_OFD_SETLKW:
7037 ret = copy_from_user_flock64(&fl64, arg);
7038 if (ret) {
7039 return ret;
7040 }
7041 ret = get_errno(safe_fcntl(fd, host_cmd, &fl64));
7042 break;
7043
7044 case TARGET_F_GETFL:
7045 ret = get_errno(safe_fcntl(fd, host_cmd, arg));
7046 if (ret >= 0) {
7047 ret = host_to_target_bitmask(ret, fcntl_flags_tbl);
7048 }
7049 break;
7050
7051 case TARGET_F_SETFL:
7052 ret = get_errno(safe_fcntl(fd, host_cmd,
7053 target_to_host_bitmask(arg,
7054 fcntl_flags_tbl)));
7055 break;
7056
7057#ifdef F_GETOWN_EX
7058 case TARGET_F_GETOWN_EX:
7059 ret = get_errno(safe_fcntl(fd, host_cmd, &fox));
7060 if (ret >= 0) {
7061 if (!lock_user_struct(VERIFY_WRITE, target_fox, arg, 0))
7062 return -TARGET_EFAULT;
7063 target_fox->type = tswap32(fox.type);
7064 target_fox->pid = tswap32(fox.pid);
7065 unlock_user_struct(target_fox, arg, 1);
7066 }
7067 break;
7068#endif
7069
7070#ifdef F_SETOWN_EX
7071 case TARGET_F_SETOWN_EX:
7072 if (!lock_user_struct(VERIFY_READ, target_fox, arg, 1))
7073 return -TARGET_EFAULT;
7074 fox.type = tswap32(target_fox->type);
7075 fox.pid = tswap32(target_fox->pid);
7076 unlock_user_struct(target_fox, arg, 0);
7077 ret = get_errno(safe_fcntl(fd, host_cmd, &fox));
7078 break;
7079#endif
7080
7081 case TARGET_F_SETSIG:
7082 ret = get_errno(safe_fcntl(fd, host_cmd, target_to_host_signal(arg)));
7083 break;
7084
7085 case TARGET_F_GETSIG:
7086 ret = host_to_target_signal(get_errno(safe_fcntl(fd, host_cmd, arg)));
7087 break;
7088
7089 case TARGET_F_SETOWN:
7090 case TARGET_F_GETOWN:
7091 case TARGET_F_SETLEASE:
7092 case TARGET_F_GETLEASE:
7093 case TARGET_F_SETPIPE_SZ:
7094 case TARGET_F_GETPIPE_SZ:
7095 case TARGET_F_ADD_SEALS:
7096 case TARGET_F_GET_SEALS:
7097 ret = get_errno(safe_fcntl(fd, host_cmd, arg));
7098 break;
7099
7100 default:
7101 ret = get_errno(safe_fcntl(fd, cmd, arg));
7102 break;
7103 }
7104 return ret;
7105}
7106
7107#ifdef USE_UID16
7108
7109static inline int high2lowuid(int uid)
7110{
7111 if (uid > 65535)
7112 return 65534;
7113 else
7114 return uid;
7115}
7116
7117static inline int high2lowgid(int gid)
7118{
7119 if (gid > 65535)
7120 return 65534;
7121 else
7122 return gid;
7123}
7124
7125static inline int low2highuid(int uid)
7126{
7127 if ((int16_t)uid == -1)
7128 return -1;
7129 else
7130 return uid;
7131}
7132
7133static inline int low2highgid(int gid)
7134{
7135 if ((int16_t)gid == -1)
7136 return -1;
7137 else
7138 return gid;
7139}
7140static inline int tswapid(int id)
7141{
7142 return tswap16(id);
7143}
7144
7145#define put_user_id(x, gaddr) put_user_u16(x, gaddr)
7146
7147#else
7148static inline int high2lowuid(int uid)
7149{
7150 return uid;
7151}
7152static inline int high2lowgid(int gid)
7153{
7154 return gid;
7155}
7156static inline int low2highuid(int uid)
7157{
7158 return uid;
7159}
7160static inline int low2highgid(int gid)
7161{
7162 return gid;
7163}
7164static inline int tswapid(int id)
7165{
7166 return tswap32(id);
7167}
7168
7169#define put_user_id(x, gaddr) put_user_u32(x, gaddr)
7170
7171#endif
7172
7173
7174
7175
7176
7177
7178
7179
7180
7181#ifdef __NR_setuid32
7182#define __NR_sys_setuid __NR_setuid32
7183#else
7184#define __NR_sys_setuid __NR_setuid
7185#endif
7186#ifdef __NR_setgid32
7187#define __NR_sys_setgid __NR_setgid32
7188#else
7189#define __NR_sys_setgid __NR_setgid
7190#endif
7191#ifdef __NR_setresuid32
7192#define __NR_sys_setresuid __NR_setresuid32
7193#else
7194#define __NR_sys_setresuid __NR_setresuid
7195#endif
7196#ifdef __NR_setresgid32
7197#define __NR_sys_setresgid __NR_setresgid32
7198#else
7199#define __NR_sys_setresgid __NR_setresgid
7200#endif
7201
7202_syscall1(int, sys_setuid, uid_t, uid)
7203_syscall1(int, sys_setgid, gid_t, gid)
7204_syscall3(int, sys_setresuid, uid_t, ruid, uid_t, euid, uid_t, suid)
7205_syscall3(int, sys_setresgid, gid_t, rgid, gid_t, egid, gid_t, sgid)
7206
7207void syscall_init(void)
7208{
7209 IOCTLEntry *ie;
7210 const argtype *arg_type;
7211 int size;
7212
7213 thunk_init(STRUCT_MAX);
7214
7215#define STRUCT(name, ...) thunk_register_struct(STRUCT_ ## name, #name, struct_ ## name ## _def);
7216#define STRUCT_SPECIAL(name) thunk_register_struct_direct(STRUCT_ ## name, #name, &struct_ ## name ## _def);
7217#include "syscall_types.h"
7218#undef STRUCT
7219#undef STRUCT_SPECIAL
7220
7221
7222
7223 ie = ioctl_entries;
7224 while (ie->target_cmd != 0) {
7225 if (((ie->target_cmd >> TARGET_IOC_SIZESHIFT) & TARGET_IOC_SIZEMASK) ==
7226 TARGET_IOC_SIZEMASK) {
7227 arg_type = ie->arg_type;
7228 if (arg_type[0] != TYPE_PTR) {
7229 fprintf(stderr, "cannot patch size for ioctl 0x%x\n",
7230 ie->target_cmd);
7231 exit(1);
7232 }
7233 arg_type++;
7234 size = thunk_type_size(arg_type, 0);
7235 ie->target_cmd = (ie->target_cmd &
7236 ~(TARGET_IOC_SIZEMASK << TARGET_IOC_SIZESHIFT)) |
7237 (size << TARGET_IOC_SIZESHIFT);
7238 }
7239
7240
7241#if (defined(__i386__) && defined(TARGET_I386) && defined(TARGET_ABI32)) || \
7242 (defined(__x86_64__) && defined(TARGET_X86_64))
7243 if (unlikely(ie->target_cmd != ie->host_cmd)) {
7244 fprintf(stderr, "ERROR: ioctl(%s): target=0x%x host=0x%x\n",
7245 ie->name, ie->target_cmd, ie->host_cmd);
7246 }
7247#endif
7248 ie++;
7249 }
7250}
7251
7252#ifdef TARGET_NR_truncate64
7253static inline abi_long target_truncate64(void *cpu_env, const char *arg1,
7254 abi_long arg2,
7255 abi_long arg3,
7256 abi_long arg4)
7257{
7258 if (regpairs_aligned(cpu_env, TARGET_NR_truncate64)) {
7259 arg2 = arg3;
7260 arg3 = arg4;
7261 }
7262 return get_errno(truncate64(arg1, target_offset64(arg2, arg3)));
7263}
7264#endif
7265
7266#ifdef TARGET_NR_ftruncate64
7267static inline abi_long target_ftruncate64(void *cpu_env, abi_long arg1,
7268 abi_long arg2,
7269 abi_long arg3,
7270 abi_long arg4)
7271{
7272 if (regpairs_aligned(cpu_env, TARGET_NR_ftruncate64)) {
7273 arg2 = arg3;
7274 arg3 = arg4;
7275 }
7276 return get_errno(ftruncate64(arg1, target_offset64(arg2, arg3)));
7277}
7278#endif
7279
7280#if defined(TARGET_NR_timer_settime) || \
7281 (defined(TARGET_NR_timerfd_settime) && defined(CONFIG_TIMERFD))
7282static inline abi_long target_to_host_itimerspec(struct itimerspec *host_its,
7283 abi_ulong target_addr)
7284{
7285 if (target_to_host_timespec(&host_its->it_interval, target_addr +
7286 offsetof(struct target_itimerspec,
7287 it_interval)) ||
7288 target_to_host_timespec(&host_its->it_value, target_addr +
7289 offsetof(struct target_itimerspec,
7290 it_value))) {
7291 return -TARGET_EFAULT;
7292 }
7293
7294 return 0;
7295}
7296#endif
7297
7298#if defined(TARGET_NR_timer_settime64) || \
7299 (defined(TARGET_NR_timerfd_settime64) && defined(CONFIG_TIMERFD))
7300static inline abi_long target_to_host_itimerspec64(struct itimerspec *host_its,
7301 abi_ulong target_addr)
7302{
7303 if (target_to_host_timespec64(&host_its->it_interval, target_addr +
7304 offsetof(struct target__kernel_itimerspec,
7305 it_interval)) ||
7306 target_to_host_timespec64(&host_its->it_value, target_addr +
7307 offsetof(struct target__kernel_itimerspec,
7308 it_value))) {
7309 return -TARGET_EFAULT;
7310 }
7311
7312 return 0;
7313}
7314#endif
7315
7316#if ((defined(TARGET_NR_timerfd_gettime) || \
7317 defined(TARGET_NR_timerfd_settime)) && defined(CONFIG_TIMERFD)) || \
7318 defined(TARGET_NR_timer_gettime) || defined(TARGET_NR_timer_settime)
7319static inline abi_long host_to_target_itimerspec(abi_ulong target_addr,
7320 struct itimerspec *host_its)
7321{
7322 if (host_to_target_timespec(target_addr + offsetof(struct target_itimerspec,
7323 it_interval),
7324 &host_its->it_interval) ||
7325 host_to_target_timespec(target_addr + offsetof(struct target_itimerspec,
7326 it_value),
7327 &host_its->it_value)) {
7328 return -TARGET_EFAULT;
7329 }
7330 return 0;
7331}
7332#endif
7333
7334#if ((defined(TARGET_NR_timerfd_gettime64) || \
7335 defined(TARGET_NR_timerfd_settime64)) && defined(CONFIG_TIMERFD)) || \
7336 defined(TARGET_NR_timer_gettime64) || defined(TARGET_NR_timer_settime64)
7337static inline abi_long host_to_target_itimerspec64(abi_ulong target_addr,
7338 struct itimerspec *host_its)
7339{
7340 if (host_to_target_timespec64(target_addr +
7341 offsetof(struct target__kernel_itimerspec,
7342 it_interval),
7343 &host_its->it_interval) ||
7344 host_to_target_timespec64(target_addr +
7345 offsetof(struct target__kernel_itimerspec,
7346 it_value),
7347 &host_its->it_value)) {
7348 return -TARGET_EFAULT;
7349 }
7350 return 0;
7351}
7352#endif
7353
7354#if defined(TARGET_NR_adjtimex) || \
7355 (defined(TARGET_NR_clock_adjtime) && defined(CONFIG_CLOCK_ADJTIME))
7356static inline abi_long target_to_host_timex(struct timex *host_tx,
7357 abi_long target_addr)
7358{
7359 struct target_timex *target_tx;
7360
7361 if (!lock_user_struct(VERIFY_READ, target_tx, target_addr, 1)) {
7362 return -TARGET_EFAULT;
7363 }
7364
7365 __get_user(host_tx->modes, &target_tx->modes);
7366 __get_user(host_tx->offset, &target_tx->offset);
7367 __get_user(host_tx->freq, &target_tx->freq);
7368 __get_user(host_tx->maxerror, &target_tx->maxerror);
7369 __get_user(host_tx->esterror, &target_tx->esterror);
7370 __get_user(host_tx->status, &target_tx->status);
7371 __get_user(host_tx->constant, &target_tx->constant);
7372 __get_user(host_tx->precision, &target_tx->precision);
7373 __get_user(host_tx->tolerance, &target_tx->tolerance);
7374 __get_user(host_tx->time.tv_sec, &target_tx->time.tv_sec);
7375 __get_user(host_tx->time.tv_usec, &target_tx->time.tv_usec);
7376 __get_user(host_tx->tick, &target_tx->tick);
7377 __get_user(host_tx->ppsfreq, &target_tx->ppsfreq);
7378 __get_user(host_tx->jitter, &target_tx->jitter);
7379 __get_user(host_tx->shift, &target_tx->shift);
7380 __get_user(host_tx->stabil, &target_tx->stabil);
7381 __get_user(host_tx->jitcnt, &target_tx->jitcnt);
7382 __get_user(host_tx->calcnt, &target_tx->calcnt);
7383 __get_user(host_tx->errcnt, &target_tx->errcnt);
7384 __get_user(host_tx->stbcnt, &target_tx->stbcnt);
7385 __get_user(host_tx->tai, &target_tx->tai);
7386
7387 unlock_user_struct(target_tx, target_addr, 0);
7388 return 0;
7389}
7390
7391static inline abi_long host_to_target_timex(abi_long target_addr,
7392 struct timex *host_tx)
7393{
7394 struct target_timex *target_tx;
7395
7396 if (!lock_user_struct(VERIFY_WRITE, target_tx, target_addr, 0)) {
7397 return -TARGET_EFAULT;
7398 }
7399
7400 __put_user(host_tx->modes, &target_tx->modes);
7401 __put_user(host_tx->offset, &target_tx->offset);
7402 __put_user(host_tx->freq, &target_tx->freq);
7403 __put_user(host_tx->maxerror, &target_tx->maxerror);
7404 __put_user(host_tx->esterror, &target_tx->esterror);
7405 __put_user(host_tx->status, &target_tx->status);
7406 __put_user(host_tx->constant, &target_tx->constant);
7407 __put_user(host_tx->precision, &target_tx->precision);
7408 __put_user(host_tx->tolerance, &target_tx->tolerance);
7409 __put_user(host_tx->time.tv_sec, &target_tx->time.tv_sec);
7410 __put_user(host_tx->time.tv_usec, &target_tx->time.tv_usec);
7411 __put_user(host_tx->tick, &target_tx->tick);
7412 __put_user(host_tx->ppsfreq, &target_tx->ppsfreq);
7413 __put_user(host_tx->jitter, &target_tx->jitter);
7414 __put_user(host_tx->shift, &target_tx->shift);
7415 __put_user(host_tx->stabil, &target_tx->stabil);
7416 __put_user(host_tx->jitcnt, &target_tx->jitcnt);
7417 __put_user(host_tx->calcnt, &target_tx->calcnt);
7418 __put_user(host_tx->errcnt, &target_tx->errcnt);
7419 __put_user(host_tx->stbcnt, &target_tx->stbcnt);
7420 __put_user(host_tx->tai, &target_tx->tai);
7421
7422 unlock_user_struct(target_tx, target_addr, 1);
7423 return 0;
7424}
7425#endif
7426
7427
7428#if defined(TARGET_NR_clock_adjtime64) && defined(CONFIG_CLOCK_ADJTIME)
7429static inline abi_long target_to_host_timex64(struct timex *host_tx,
7430 abi_long target_addr)
7431{
7432 struct target__kernel_timex *target_tx;
7433
7434 if (copy_from_user_timeval64(&host_tx->time, target_addr +
7435 offsetof(struct target__kernel_timex,
7436 time))) {
7437 return -TARGET_EFAULT;
7438 }
7439
7440 if (!lock_user_struct(VERIFY_READ, target_tx, target_addr, 1)) {
7441 return -TARGET_EFAULT;
7442 }
7443
7444 __get_user(host_tx->modes, &target_tx->modes);
7445 __get_user(host_tx->offset, &target_tx->offset);
7446 __get_user(host_tx->freq, &target_tx->freq);
7447 __get_user(host_tx->maxerror, &target_tx->maxerror);
7448 __get_user(host_tx->esterror, &target_tx->esterror);
7449 __get_user(host_tx->status, &target_tx->status);
7450 __get_user(host_tx->constant, &target_tx->constant);
7451 __get_user(host_tx->precision, &target_tx->precision);
7452 __get_user(host_tx->tolerance, &target_tx->tolerance);
7453 __get_user(host_tx->tick, &target_tx->tick);
7454 __get_user(host_tx->ppsfreq, &target_tx->ppsfreq);
7455 __get_user(host_tx->jitter, &target_tx->jitter);
7456 __get_user(host_tx->shift, &target_tx->shift);
7457 __get_user(host_tx->stabil, &target_tx->stabil);
7458 __get_user(host_tx->jitcnt, &target_tx->jitcnt);
7459 __get_user(host_tx->calcnt, &target_tx->calcnt);
7460 __get_user(host_tx->errcnt, &target_tx->errcnt);
7461 __get_user(host_tx->stbcnt, &target_tx->stbcnt);
7462 __get_user(host_tx->tai, &target_tx->tai);
7463
7464 unlock_user_struct(target_tx, target_addr, 0);
7465 return 0;
7466}
7467
7468static inline abi_long host_to_target_timex64(abi_long target_addr,
7469 struct timex *host_tx)
7470{
7471 struct target__kernel_timex *target_tx;
7472
7473 if (copy_to_user_timeval64(target_addr +
7474 offsetof(struct target__kernel_timex, time),
7475 &host_tx->time)) {
7476 return -TARGET_EFAULT;
7477 }
7478
7479 if (!lock_user_struct(VERIFY_WRITE, target_tx, target_addr, 0)) {
7480 return -TARGET_EFAULT;
7481 }
7482
7483 __put_user(host_tx->modes, &target_tx->modes);
7484 __put_user(host_tx->offset, &target_tx->offset);
7485 __put_user(host_tx->freq, &target_tx->freq);
7486 __put_user(host_tx->maxerror, &target_tx->maxerror);
7487 __put_user(host_tx->esterror, &target_tx->esterror);
7488 __put_user(host_tx->status, &target_tx->status);
7489 __put_user(host_tx->constant, &target_tx->constant);
7490 __put_user(host_tx->precision, &target_tx->precision);
7491 __put_user(host_tx->tolerance, &target_tx->tolerance);
7492 __put_user(host_tx->tick, &target_tx->tick);
7493 __put_user(host_tx->ppsfreq, &target_tx->ppsfreq);
7494 __put_user(host_tx->jitter, &target_tx->jitter);
7495 __put_user(host_tx->shift, &target_tx->shift);
7496 __put_user(host_tx->stabil, &target_tx->stabil);
7497 __put_user(host_tx->jitcnt, &target_tx->jitcnt);
7498 __put_user(host_tx->calcnt, &target_tx->calcnt);
7499 __put_user(host_tx->errcnt, &target_tx->errcnt);
7500 __put_user(host_tx->stbcnt, &target_tx->stbcnt);
7501 __put_user(host_tx->tai, &target_tx->tai);
7502
7503 unlock_user_struct(target_tx, target_addr, 1);
7504 return 0;
7505}
7506#endif
7507
7508#ifndef HAVE_SIGEV_NOTIFY_THREAD_ID
7509#define sigev_notify_thread_id _sigev_un._tid
7510#endif
7511
7512static inline abi_long target_to_host_sigevent(struct sigevent *host_sevp,
7513 abi_ulong target_addr)
7514{
7515 struct target_sigevent *target_sevp;
7516
7517 if (!lock_user_struct(VERIFY_READ, target_sevp, target_addr, 1)) {
7518 return -TARGET_EFAULT;
7519 }
7520
7521
7522
7523
7524
7525
7526
7527 host_sevp->sigev_value.sival_ptr =
7528 (void *)(uintptr_t)tswapal(target_sevp->sigev_value.sival_ptr);
7529 host_sevp->sigev_signo =
7530 target_to_host_signal(tswap32(target_sevp->sigev_signo));
7531 host_sevp->sigev_notify = tswap32(target_sevp->sigev_notify);
7532 host_sevp->sigev_notify_thread_id = tswap32(target_sevp->_sigev_un._tid);
7533
7534 unlock_user_struct(target_sevp, target_addr, 1);
7535 return 0;
7536}
7537
7538#if defined(TARGET_NR_mlockall)
7539static inline int target_to_host_mlockall_arg(int arg)
7540{
7541 int result = 0;
7542
7543 if (arg & TARGET_MCL_CURRENT) {
7544 result |= MCL_CURRENT;
7545 }
7546 if (arg & TARGET_MCL_FUTURE) {
7547 result |= MCL_FUTURE;
7548 }
7549#ifdef MCL_ONFAULT
7550 if (arg & TARGET_MCL_ONFAULT) {
7551 result |= MCL_ONFAULT;
7552 }
7553#endif
7554
7555 return result;
7556}
7557#endif
7558
7559#if (defined(TARGET_NR_stat64) || defined(TARGET_NR_lstat64) || \
7560 defined(TARGET_NR_fstat64) || defined(TARGET_NR_fstatat64) || \
7561 defined(TARGET_NR_newfstatat))
7562static inline abi_long host_to_target_stat64(void *cpu_env,
7563 abi_ulong target_addr,
7564 struct stat *host_st)
7565{
7566#if defined(TARGET_ARM) && defined(TARGET_ABI32)
7567 if (((CPUARMState *)cpu_env)->eabi) {
7568 struct target_eabi_stat64 *target_st;
7569
7570 if (!lock_user_struct(VERIFY_WRITE, target_st, target_addr, 0))
7571 return -TARGET_EFAULT;
7572 memset(target_st, 0, sizeof(struct target_eabi_stat64));
7573 __put_user(host_st->st_dev, &target_st->st_dev);
7574 __put_user(host_st->st_ino, &target_st->st_ino);
7575#ifdef TARGET_STAT64_HAS_BROKEN_ST_INO
7576 __put_user(host_st->st_ino, &target_st->__st_ino);
7577#endif
7578 __put_user(host_st->st_mode, &target_st->st_mode);
7579 __put_user(host_st->st_nlink, &target_st->st_nlink);
7580 __put_user(host_st->st_uid, &target_st->st_uid);
7581 __put_user(host_st->st_gid, &target_st->st_gid);
7582 __put_user(host_st->st_rdev, &target_st->st_rdev);
7583 __put_user(host_st->st_size, &target_st->st_size);
7584 __put_user(host_st->st_blksize, &target_st->st_blksize);
7585 __put_user(host_st->st_blocks, &target_st->st_blocks);
7586 __put_user(host_st->st_atime, &target_st->target_st_atime);
7587 __put_user(host_st->st_mtime, &target_st->target_st_mtime);
7588 __put_user(host_st->st_ctime, &target_st->target_st_ctime);
7589#ifdef HAVE_STRUCT_STAT_ST_ATIM
7590 __put_user(host_st->st_atim.tv_nsec, &target_st->target_st_atime_nsec);
7591 __put_user(host_st->st_mtim.tv_nsec, &target_st->target_st_mtime_nsec);
7592 __put_user(host_st->st_ctim.tv_nsec, &target_st->target_st_ctime_nsec);
7593#endif
7594 unlock_user_struct(target_st, target_addr, 1);
7595 } else
7596#endif
7597 {
7598#if defined(TARGET_HAS_STRUCT_STAT64)
7599 struct target_stat64 *target_st;
7600#else
7601 struct target_stat *target_st;
7602#endif
7603
7604 if (!lock_user_struct(VERIFY_WRITE, target_st, target_addr, 0))
7605 return -TARGET_EFAULT;
7606 memset(target_st, 0, sizeof(*target_st));
7607 __put_user(host_st->st_dev, &target_st->st_dev);
7608 __put_user(host_st->st_ino, &target_st->st_ino);
7609#ifdef TARGET_STAT64_HAS_BROKEN_ST_INO
7610 __put_user(host_st->st_ino, &target_st->__st_ino);
7611#endif
7612 __put_user(host_st->st_mode, &target_st->st_mode);
7613 __put_user(host_st->st_nlink, &target_st->st_nlink);
7614 __put_user(host_st->st_uid, &target_st->st_uid);
7615 __put_user(host_st->st_gid, &target_st->st_gid);
7616 __put_user(host_st->st_rdev, &target_st->st_rdev);
7617
7618 __put_user(host_st->st_size, &target_st->st_size);
7619 __put_user(host_st->st_blksize, &target_st->st_blksize);
7620 __put_user(host_st->st_blocks, &target_st->st_blocks);
7621 __put_user(host_st->st_atime, &target_st->target_st_atime);
7622 __put_user(host_st->st_mtime, &target_st->target_st_mtime);
7623 __put_user(host_st->st_ctime, &target_st->target_st_ctime);
7624#ifdef HAVE_STRUCT_STAT_ST_ATIM
7625 __put_user(host_st->st_atim.tv_nsec, &target_st->target_st_atime_nsec);
7626 __put_user(host_st->st_mtim.tv_nsec, &target_st->target_st_mtime_nsec);
7627 __put_user(host_st->st_ctim.tv_nsec, &target_st->target_st_ctime_nsec);
7628#endif
7629 unlock_user_struct(target_st, target_addr, 1);
7630 }
7631
7632 return 0;
7633}
7634#endif
7635
7636#if defined(TARGET_NR_statx) && defined(__NR_statx)
7637static inline abi_long host_to_target_statx(struct target_statx *host_stx,
7638 abi_ulong target_addr)
7639{
7640 struct target_statx *target_stx;
7641
7642 if (!lock_user_struct(VERIFY_WRITE, target_stx, target_addr, 0)) {
7643 return -TARGET_EFAULT;
7644 }
7645 memset(target_stx, 0, sizeof(*target_stx));
7646
7647 __put_user(host_stx->stx_mask, &target_stx->stx_mask);
7648 __put_user(host_stx->stx_blksize, &target_stx->stx_blksize);
7649 __put_user(host_stx->stx_attributes, &target_stx->stx_attributes);
7650 __put_user(host_stx->stx_nlink, &target_stx->stx_nlink);
7651 __put_user(host_stx->stx_uid, &target_stx->stx_uid);
7652 __put_user(host_stx->stx_gid, &target_stx->stx_gid);
7653 __put_user(host_stx->stx_mode, &target_stx->stx_mode);
7654 __put_user(host_stx->stx_ino, &target_stx->stx_ino);
7655 __put_user(host_stx->stx_size, &target_stx->stx_size);
7656 __put_user(host_stx->stx_blocks, &target_stx->stx_blocks);
7657 __put_user(host_stx->stx_attributes_mask, &target_stx->stx_attributes_mask);
7658 __put_user(host_stx->stx_atime.tv_sec, &target_stx->stx_atime.tv_sec);
7659 __put_user(host_stx->stx_atime.tv_nsec, &target_stx->stx_atime.tv_nsec);
7660 __put_user(host_stx->stx_btime.tv_sec, &target_stx->stx_btime.tv_sec);
7661 __put_user(host_stx->stx_btime.tv_nsec, &target_stx->stx_btime.tv_nsec);
7662 __put_user(host_stx->stx_ctime.tv_sec, &target_stx->stx_ctime.tv_sec);
7663 __put_user(host_stx->stx_ctime.tv_nsec, &target_stx->stx_ctime.tv_nsec);
7664 __put_user(host_stx->stx_mtime.tv_sec, &target_stx->stx_mtime.tv_sec);
7665 __put_user(host_stx->stx_mtime.tv_nsec, &target_stx->stx_mtime.tv_nsec);
7666 __put_user(host_stx->stx_rdev_major, &target_stx->stx_rdev_major);
7667 __put_user(host_stx->stx_rdev_minor, &target_stx->stx_rdev_minor);
7668 __put_user(host_stx->stx_dev_major, &target_stx->stx_dev_major);
7669 __put_user(host_stx->stx_dev_minor, &target_stx->stx_dev_minor);
7670
7671 unlock_user_struct(target_stx, target_addr, 1);
7672
7673 return 0;
7674}
7675#endif
7676
7677static int do_sys_futex(int *uaddr, int op, int val,
7678 const struct timespec *timeout, int *uaddr2,
7679 int val3)
7680{
7681#if HOST_LONG_BITS == 64
7682#if defined(__NR_futex)
7683
7684 return sys_futex(uaddr, op, val, timeout, uaddr2, val3);
7685
7686#endif
7687#else
7688#if defined(__NR_futex_time64)
7689 if (sizeof(timeout->tv_sec) == 8) {
7690
7691 return sys_futex_time64(uaddr, op, val, timeout, uaddr2, val3);
7692 }
7693#endif
7694#if defined(__NR_futex)
7695
7696 return sys_futex(uaddr, op, val, timeout, uaddr2, val3);
7697#endif
7698#endif
7699 g_assert_not_reached();
7700}
7701
7702static int do_safe_futex(int *uaddr, int op, int val,
7703 const struct timespec *timeout, int *uaddr2,
7704 int val3)
7705{
7706#if HOST_LONG_BITS == 64
7707#if defined(__NR_futex)
7708
7709 return get_errno(safe_futex(uaddr, op, val, timeout, uaddr2, val3));
7710#endif
7711#else
7712#if defined(__NR_futex_time64)
7713 if (sizeof(timeout->tv_sec) == 8) {
7714
7715 return get_errno(safe_futex_time64(uaddr, op, val, timeout, uaddr2,
7716 val3));
7717 }
7718#endif
7719#if defined(__NR_futex)
7720
7721 return get_errno(safe_futex(uaddr, op, val, timeout, uaddr2, val3));
7722#endif
7723#endif
7724 return -TARGET_ENOSYS;
7725}
7726
7727
7728
7729
7730
7731
7732#if defined(TARGET_NR_futex)
7733static int do_futex(CPUState *cpu, target_ulong uaddr, int op, int val,
7734 target_ulong timeout, target_ulong uaddr2, int val3)
7735{
7736 struct timespec ts, *pts;
7737 int base_op;
7738
7739
7740
7741#ifdef FUTEX_CMD_MASK
7742 base_op = op & FUTEX_CMD_MASK;
7743#else
7744 base_op = op;
7745#endif
7746 switch (base_op) {
7747 case FUTEX_WAIT:
7748 case FUTEX_WAIT_BITSET:
7749 if (timeout) {
7750 pts = &ts;
7751 target_to_host_timespec(pts, timeout);
7752 } else {
7753 pts = NULL;
7754 }
7755 return do_safe_futex(g2h(cpu, uaddr),
7756 op, tswap32(val), pts, NULL, val3);
7757 case FUTEX_WAKE:
7758 return do_safe_futex(g2h(cpu, uaddr),
7759 op, val, NULL, NULL, 0);
7760 case FUTEX_FD:
7761 return do_safe_futex(g2h(cpu, uaddr),
7762 op, val, NULL, NULL, 0);
7763 case FUTEX_REQUEUE:
7764 case FUTEX_CMP_REQUEUE:
7765 case FUTEX_WAKE_OP:
7766
7767
7768
7769
7770
7771 pts = (struct timespec *)(uintptr_t) timeout;
7772 return do_safe_futex(g2h(cpu, uaddr), op, val, pts, g2h(cpu, uaddr2),
7773 (base_op == FUTEX_CMP_REQUEUE
7774 ? tswap32(val3) : val3));
7775 default:
7776 return -TARGET_ENOSYS;
7777 }
7778}
7779#endif
7780
7781#if defined(TARGET_NR_futex_time64)
7782static int do_futex_time64(CPUState *cpu, target_ulong uaddr, int op,
7783 int val, target_ulong timeout,
7784 target_ulong uaddr2, int val3)
7785{
7786 struct timespec ts, *pts;
7787 int base_op;
7788
7789
7790
7791#ifdef FUTEX_CMD_MASK
7792 base_op = op & FUTEX_CMD_MASK;
7793#else
7794 base_op = op;
7795#endif
7796 switch (base_op) {
7797 case FUTEX_WAIT:
7798 case FUTEX_WAIT_BITSET:
7799 if (timeout) {
7800 pts = &ts;
7801 if (target_to_host_timespec64(pts, timeout)) {
7802 return -TARGET_EFAULT;
7803 }
7804 } else {
7805 pts = NULL;
7806 }
7807 return do_safe_futex(g2h(cpu, uaddr), op,
7808 tswap32(val), pts, NULL, val3);
7809 case FUTEX_WAKE:
7810 return do_safe_futex(g2h(cpu, uaddr), op, val, NULL, NULL, 0);
7811 case FUTEX_FD:
7812 return do_safe_futex(g2h(cpu, uaddr), op, val, NULL, NULL, 0);
7813 case FUTEX_REQUEUE:
7814 case FUTEX_CMP_REQUEUE:
7815 case FUTEX_WAKE_OP:
7816
7817
7818
7819
7820
7821 pts = (struct timespec *)(uintptr_t) timeout;
7822 return do_safe_futex(g2h(cpu, uaddr), op, val, pts, g2h(cpu, uaddr2),
7823 (base_op == FUTEX_CMP_REQUEUE
7824 ? tswap32(val3) : val3));
7825 default:
7826 return -TARGET_ENOSYS;
7827 }
7828}
7829#endif
7830
7831#if defined(TARGET_NR_name_to_handle_at) && defined(CONFIG_OPEN_BY_HANDLE)
7832static abi_long do_name_to_handle_at(abi_long dirfd, abi_long pathname,
7833 abi_long handle, abi_long mount_id,
7834 abi_long flags)
7835{
7836 struct file_handle *target_fh;
7837 struct file_handle *fh;
7838 int mid = 0;
7839 abi_long ret;
7840 char *name;
7841 unsigned int size, total_size;
7842
7843 if (get_user_s32(size, handle)) {
7844 return -TARGET_EFAULT;
7845 }
7846
7847 name = lock_user_string(pathname);
7848 if (!name) {
7849 return -TARGET_EFAULT;
7850 }
7851
7852 total_size = sizeof(struct file_handle) + size;
7853 target_fh = lock_user(VERIFY_WRITE, handle, total_size, 0);
7854 if (!target_fh) {
7855 unlock_user(name, pathname, 0);
7856 return -TARGET_EFAULT;
7857 }
7858
7859 fh = g_malloc0(total_size);
7860 fh->handle_bytes = size;
7861
7862 ret = get_errno(name_to_handle_at(dirfd, path(name), fh, &mid, flags));
7863 unlock_user(name, pathname, 0);
7864
7865
7866
7867
7868
7869
7870 memcpy(target_fh, fh, total_size);
7871 target_fh->handle_bytes = tswap32(fh->handle_bytes);
7872 target_fh->handle_type = tswap32(fh->handle_type);
7873 g_free(fh);
7874 unlock_user(target_fh, handle, total_size);
7875
7876 if (put_user_s32(mid, mount_id)) {
7877 return -TARGET_EFAULT;
7878 }
7879
7880 return ret;
7881
7882}
7883#endif
7884
7885#if defined(TARGET_NR_open_by_handle_at) && defined(CONFIG_OPEN_BY_HANDLE)
7886static abi_long do_open_by_handle_at(abi_long mount_fd, abi_long handle,
7887 abi_long flags)
7888{
7889 struct file_handle *target_fh;
7890 struct file_handle *fh;
7891 unsigned int size, total_size;
7892 abi_long ret;
7893
7894 if (get_user_s32(size, handle)) {
7895 return -TARGET_EFAULT;
7896 }
7897
7898 total_size = sizeof(struct file_handle) + size;
7899 target_fh = lock_user(VERIFY_READ, handle, total_size, 1);
7900 if (!target_fh) {
7901 return -TARGET_EFAULT;
7902 }
7903
7904 fh = g_memdup(target_fh, total_size);
7905 fh->handle_bytes = size;
7906 fh->handle_type = tswap32(target_fh->handle_type);
7907
7908 ret = get_errno(open_by_handle_at(mount_fd, fh,
7909 target_to_host_bitmask(flags, fcntl_flags_tbl)));
7910
7911 g_free(fh);
7912
7913 unlock_user(target_fh, handle, total_size);
7914
7915 return ret;
7916}
7917#endif
7918
7919#if defined(TARGET_NR_signalfd) || defined(TARGET_NR_signalfd4)
7920
7921static abi_long do_signalfd4(int fd, abi_long mask, int flags)
7922{
7923 int host_flags;
7924 target_sigset_t *target_mask;
7925 sigset_t host_mask;
7926 abi_long ret;
7927
7928 if (flags & ~(TARGET_O_NONBLOCK_MASK | TARGET_O_CLOEXEC)) {
7929 return -TARGET_EINVAL;
7930 }
7931 if (!lock_user_struct(VERIFY_READ, target_mask, mask, 1)) {
7932 return -TARGET_EFAULT;
7933 }
7934
7935 target_to_host_sigset(&host_mask, target_mask);
7936
7937 host_flags = target_to_host_bitmask(flags, fcntl_flags_tbl);
7938
7939 ret = get_errno(signalfd(fd, &host_mask, host_flags));
7940 if (ret >= 0) {
7941 fd_trans_register(ret, &target_signalfd_trans);
7942 }
7943
7944 unlock_user_struct(target_mask, mask, 0);
7945
7946 return ret;
7947}
7948#endif
7949
7950
7951
7952int host_to_target_waitstatus(int status)
7953{
7954 if (WIFSIGNALED(status)) {
7955 return host_to_target_signal(WTERMSIG(status)) | (status & ~0x7f);
7956 }
7957 if (WIFSTOPPED(status)) {
7958 return (host_to_target_signal(WSTOPSIG(status)) << 8)
7959 | (status & 0xff);
7960 }
7961 return status;
7962}
7963
7964static int open_self_cmdline(void *cpu_env, int fd)
7965{
7966 CPUState *cpu = env_cpu((CPUArchState *)cpu_env);
7967 struct linux_binprm *bprm = ((TaskState *)cpu->opaque)->bprm;
7968 int i;
7969
7970 for (i = 0; i < bprm->argc; i++) {
7971 size_t len = strlen(bprm->argv[i]) + 1;
7972
7973 if (write(fd, bprm->argv[i], len) != len) {
7974 return -1;
7975 }
7976 }
7977
7978 return 0;
7979}
7980
7981static int open_self_maps(void *cpu_env, int fd)
7982{
7983 CPUState *cpu = env_cpu((CPUArchState *)cpu_env);
7984 TaskState *ts = cpu->opaque;
7985 GSList *map_info = read_self_maps();
7986 GSList *s;
7987 int count;
7988
7989 for (s = map_info; s; s = g_slist_next(s)) {
7990 MapInfo *e = (MapInfo *) s->data;
7991
7992 if (h2g_valid(e->start)) {
7993 unsigned long min = e->start;
7994 unsigned long max = e->end;
7995 int flags = page_get_flags(h2g(min));
7996 const char *path;
7997
7998 max = h2g_valid(max - 1) ?
7999 max : (uintptr_t) g2h_untagged(GUEST_ADDR_MAX) + 1;
8000
8001 if (page_check_range(h2g(min), max - min, flags) == -1) {
8002 continue;
8003 }
8004
8005 if (h2g(min) == ts->info->stack_limit) {
8006 path = "[stack]";
8007 } else {
8008 path = e->path;
8009 }
8010
8011 count = dprintf(fd, TARGET_ABI_FMT_ptr "-" TARGET_ABI_FMT_ptr
8012 " %c%c%c%c %08" PRIx64 " %s %"PRId64,
8013 h2g(min), h2g(max - 1) + 1,
8014 (flags & PAGE_READ) ? 'r' : '-',
8015 (flags & PAGE_WRITE_ORG) ? 'w' : '-',
8016 (flags & PAGE_EXEC) ? 'x' : '-',
8017 e->is_priv ? 'p' : 's',
8018 (uint64_t) e->offset, e->dev, e->inode);
8019 if (path) {
8020 dprintf(fd, "%*s%s\n", 73 - count, "", path);
8021 } else {
8022 dprintf(fd, "\n");
8023 }
8024 }
8025 }
8026
8027 free_self_maps(map_info);
8028
8029#ifdef TARGET_VSYSCALL_PAGE
8030
8031
8032
8033
8034 count = dprintf(fd, TARGET_FMT_lx "-" TARGET_FMT_lx
8035 " --xp 00000000 00:00 0",
8036 TARGET_VSYSCALL_PAGE, TARGET_VSYSCALL_PAGE + TARGET_PAGE_SIZE);
8037 dprintf(fd, "%*s%s\n", 73 - count, "", "[vsyscall]");
8038#endif
8039
8040 return 0;
8041}
8042
8043static int open_self_stat(void *cpu_env, int fd)
8044{
8045 CPUState *cpu = env_cpu((CPUArchState *)cpu_env);
8046 TaskState *ts = cpu->opaque;
8047 g_autoptr(GString) buf = g_string_new(NULL);
8048 int i;
8049
8050 for (i = 0; i < 44; i++) {
8051 if (i == 0) {
8052
8053 g_string_printf(buf, FMT_pid " ", getpid());
8054 } else if (i == 1) {
8055
8056 gchar *bin = g_strrstr(ts->bprm->argv[0], "/");
8057 bin = bin ? bin + 1 : ts->bprm->argv[0];
8058 g_string_printf(buf, "(%.15s) ", bin);
8059 } else if (i == 3) {
8060
8061 g_string_printf(buf, FMT_pid " ", getppid());
8062 } else if (i == 21) {
8063
8064 g_string_printf(buf, "%" PRIu64 " ", ts->start_boottime);
8065 } else if (i == 27) {
8066
8067 g_string_printf(buf, TARGET_ABI_FMT_ld " ", ts->info->start_stack);
8068 } else {
8069
8070 g_string_printf(buf, "0%c", i == 43 ? '\n' : ' ');
8071 }
8072
8073 if (write(fd, buf->str, buf->len) != buf->len) {
8074 return -1;
8075 }
8076 }
8077
8078 return 0;
8079}
8080
8081static int open_self_auxv(void *cpu_env, int fd)
8082{
8083 CPUState *cpu = env_cpu((CPUArchState *)cpu_env);
8084 TaskState *ts = cpu->opaque;
8085 abi_ulong auxv = ts->info->saved_auxv;
8086 abi_ulong len = ts->info->auxv_len;
8087 char *ptr;
8088
8089
8090
8091
8092
8093 ptr = lock_user(VERIFY_READ, auxv, len, 0);
8094 if (ptr != NULL) {
8095 while (len > 0) {
8096 ssize_t r;
8097 r = write(fd, ptr, len);
8098 if (r <= 0) {
8099 break;
8100 }
8101 len -= r;
8102 ptr += r;
8103 }
8104 lseek(fd, 0, SEEK_SET);
8105 unlock_user(ptr, auxv, len);
8106 }
8107
8108 return 0;
8109}
8110
8111static int is_proc_myself(const char *filename, const char *entry)
8112{
8113 if (!strncmp(filename, "/proc/", strlen("/proc/"))) {
8114 filename += strlen("/proc/");
8115 if (!strncmp(filename, "self/", strlen("self/"))) {
8116 filename += strlen("self/");
8117 } else if (*filename >= '1' && *filename <= '9') {
8118 char myself[80];
8119 snprintf(myself, sizeof(myself), "%d/", getpid());
8120 if (!strncmp(filename, myself, strlen(myself))) {
8121 filename += strlen(myself);
8122 } else {
8123 return 0;
8124 }
8125 } else {
8126 return 0;
8127 }
8128 if (!strcmp(filename, entry)) {
8129 return 1;
8130 }
8131 }
8132 return 0;
8133}
8134
8135#if defined(HOST_WORDS_BIGENDIAN) != defined(TARGET_WORDS_BIGENDIAN) || \
8136 defined(TARGET_SPARC) || defined(TARGET_M68K) || defined(TARGET_HPPA)
8137static int is_proc(const char *filename, const char *entry)
8138{
8139 return strcmp(filename, entry) == 0;
8140}
8141#endif
8142
8143#if defined(HOST_WORDS_BIGENDIAN) != defined(TARGET_WORDS_BIGENDIAN)
8144static int open_net_route(void *cpu_env, int fd)
8145{
8146 FILE *fp;
8147 char *line = NULL;
8148 size_t len = 0;
8149 ssize_t read;
8150
8151 fp = fopen("/proc/net/route", "r");
8152 if (fp == NULL) {
8153 return -1;
8154 }
8155
8156
8157
8158 read = getline(&line, &len, fp);
8159 dprintf(fd, "%s", line);
8160
8161
8162
8163 while ((read = getline(&line, &len, fp)) != -1) {
8164 char iface[16];
8165 uint32_t dest, gw, mask;
8166 unsigned int flags, refcnt, use, metric, mtu, window, irtt;
8167 int fields;
8168
8169 fields = sscanf(line,
8170 "%s\t%08x\t%08x\t%04x\t%d\t%d\t%d\t%08x\t%d\t%u\t%u\n",
8171 iface, &dest, &gw, &flags, &refcnt, &use, &metric,
8172 &mask, &mtu, &window, &irtt);
8173 if (fields != 11) {
8174 continue;
8175 }
8176 dprintf(fd, "%s\t%08x\t%08x\t%04x\t%d\t%d\t%d\t%08x\t%d\t%u\t%u\n",
8177 iface, tswap32(dest), tswap32(gw), flags, refcnt, use,
8178 metric, tswap32(mask), mtu, window, irtt);
8179 }
8180
8181 free(line);
8182 fclose(fp);
8183
8184 return 0;
8185}
8186#endif
8187
8188#if defined(TARGET_SPARC)
8189static int open_cpuinfo(void *cpu_env, int fd)
8190{
8191 dprintf(fd, "type\t\t: sun4u\n");
8192 return 0;
8193}
8194#endif
8195
8196#if defined(TARGET_HPPA)
8197static int open_cpuinfo(void *cpu_env, int fd)
8198{
8199 dprintf(fd, "cpu family\t: PA-RISC 1.1e\n");
8200 dprintf(fd, "cpu\t\t: PA7300LC (PCX-L2)\n");
8201 dprintf(fd, "capabilities\t: os32\n");
8202 dprintf(fd, "model\t\t: 9000/778/B160L\n");
8203 dprintf(fd, "model name\t: Merlin L2 160 QEMU (9000/778/B160L)\n");
8204 return 0;
8205}
8206#endif
8207
8208#if defined(TARGET_M68K)
8209static int open_hardware(void *cpu_env, int fd)
8210{
8211 dprintf(fd, "Model:\t\tqemu-m68k\n");
8212 return 0;
8213}
8214#endif
8215
8216static int do_openat(void *cpu_env, int dirfd, const char *pathname, int flags, mode_t mode)
8217{
8218 struct fake_open {
8219 const char *filename;
8220 int (*fill)(void *cpu_env, int fd);
8221 int (*cmp)(const char *s1, const char *s2);
8222 };
8223 const struct fake_open *fake_open;
8224 static const struct fake_open fakes[] = {
8225 { "maps", open_self_maps, is_proc_myself },
8226 { "stat", open_self_stat, is_proc_myself },
8227 { "auxv", open_self_auxv, is_proc_myself },
8228 { "cmdline", open_self_cmdline, is_proc_myself },
8229#if defined(HOST_WORDS_BIGENDIAN) != defined(TARGET_WORDS_BIGENDIAN)
8230 { "/proc/net/route", open_net_route, is_proc },
8231#endif
8232#if defined(TARGET_SPARC) || defined(TARGET_HPPA)
8233 { "/proc/cpuinfo", open_cpuinfo, is_proc },
8234#endif
8235#if defined(TARGET_M68K)
8236 { "/proc/hardware", open_hardware, is_proc },
8237#endif
8238 { NULL, NULL, NULL }
8239 };
8240
8241 if (is_proc_myself(pathname, "exe")) {
8242 int execfd = qemu_getauxval(AT_EXECFD);
8243 return execfd ? execfd : safe_openat(dirfd, exec_path, flags, mode);
8244 }
8245
8246 for (fake_open = fakes; fake_open->filename; fake_open++) {
8247 if (fake_open->cmp(pathname, fake_open->filename)) {
8248 break;
8249 }
8250 }
8251
8252 if (fake_open->filename) {
8253 const char *tmpdir;
8254 char filename[PATH_MAX];
8255 int fd, r;
8256
8257
8258 tmpdir = getenv("TMPDIR");
8259 if (!tmpdir)
8260 tmpdir = "/tmp";
8261 snprintf(filename, sizeof(filename), "%s/qemu-open.XXXXXX", tmpdir);
8262 fd = mkstemp(filename);
8263 if (fd < 0) {
8264 return fd;
8265 }
8266 unlink(filename);
8267
8268 if ((r = fake_open->fill(cpu_env, fd))) {
8269 int e = errno;
8270 close(fd);
8271 errno = e;
8272 return r;
8273 }
8274 lseek(fd, 0, SEEK_SET);
8275
8276 return fd;
8277 }
8278
8279 return safe_openat(dirfd, path(pathname), flags, mode);
8280}
8281
8282#define TIMER_MAGIC 0x0caf0000
8283#define TIMER_MAGIC_MASK 0xffff0000
8284
8285
8286static target_timer_t get_timer_id(abi_long arg)
8287{
8288 target_timer_t timerid = arg;
8289
8290 if ((timerid & TIMER_MAGIC_MASK) != TIMER_MAGIC) {
8291 return -TARGET_EINVAL;
8292 }
8293
8294 timerid &= 0xffff;
8295
8296 if (timerid >= ARRAY_SIZE(g_posix_timers)) {
8297 return -TARGET_EINVAL;
8298 }
8299
8300 return timerid;
8301}
8302
8303static int target_to_host_cpu_mask(unsigned long *host_mask,
8304 size_t host_size,
8305 abi_ulong target_addr,
8306 size_t target_size)
8307{
8308 unsigned target_bits = sizeof(abi_ulong) * 8;
8309 unsigned host_bits = sizeof(*host_mask) * 8;
8310 abi_ulong *target_mask;
8311 unsigned i, j;
8312
8313 assert(host_size >= target_size);
8314
8315 target_mask = lock_user(VERIFY_READ, target_addr, target_size, 1);
8316 if (!target_mask) {
8317 return -TARGET_EFAULT;
8318 }
8319 memset(host_mask, 0, host_size);
8320
8321 for (i = 0 ; i < target_size / sizeof(abi_ulong); i++) {
8322 unsigned bit = i * target_bits;
8323 abi_ulong val;
8324
8325 __get_user(val, &target_mask[i]);
8326 for (j = 0; j < target_bits; j++, bit++) {
8327 if (val & (1UL << j)) {
8328 host_mask[bit / host_bits] |= 1UL << (bit % host_bits);
8329 }
8330 }
8331 }
8332
8333 unlock_user(target_mask, target_addr, 0);
8334 return 0;
8335}
8336
8337static int host_to_target_cpu_mask(const unsigned long *host_mask,
8338 size_t host_size,
8339 abi_ulong target_addr,
8340 size_t target_size)
8341{
8342 unsigned target_bits = sizeof(abi_ulong) * 8;
8343 unsigned host_bits = sizeof(*host_mask) * 8;
8344 abi_ulong *target_mask;
8345 unsigned i, j;
8346
8347 assert(host_size >= target_size);
8348
8349 target_mask = lock_user(VERIFY_WRITE, target_addr, target_size, 0);
8350 if (!target_mask) {
8351 return -TARGET_EFAULT;
8352 }
8353
8354 for (i = 0 ; i < target_size / sizeof(abi_ulong); i++) {
8355 unsigned bit = i * target_bits;
8356 abi_ulong val = 0;
8357
8358 for (j = 0; j < target_bits; j++, bit++) {
8359 if (host_mask[bit / host_bits] & (1UL << (bit % host_bits))) {
8360 val |= 1UL << j;
8361 }
8362 }
8363 __put_user(val, &target_mask[i]);
8364 }
8365
8366 unlock_user(target_mask, target_addr, target_size);
8367 return 0;
8368}
8369
8370#ifdef TARGET_NR_getdents
8371static int do_getdents(abi_long dirfd, abi_long arg2, abi_long count)
8372{
8373 g_autofree void *hdirp = NULL;
8374 void *tdirp;
8375 int hlen, hoff, toff;
8376 int hreclen, treclen;
8377 off64_t prev_diroff = 0;
8378
8379 hdirp = g_try_malloc(count);
8380 if (!hdirp) {
8381 return -TARGET_ENOMEM;
8382 }
8383
8384#ifdef EMULATE_GETDENTS_WITH_GETDENTS
8385 hlen = sys_getdents(dirfd, hdirp, count);
8386#else
8387 hlen = sys_getdents64(dirfd, hdirp, count);
8388#endif
8389
8390 hlen = get_errno(hlen);
8391 if (is_error(hlen)) {
8392 return hlen;
8393 }
8394
8395 tdirp = lock_user(VERIFY_WRITE, arg2, count, 0);
8396 if (!tdirp) {
8397 return -TARGET_EFAULT;
8398 }
8399
8400 for (hoff = toff = 0; hoff < hlen; hoff += hreclen, toff += treclen) {
8401#ifdef EMULATE_GETDENTS_WITH_GETDENTS
8402 struct linux_dirent *hde = hdirp + hoff;
8403#else
8404 struct linux_dirent64 *hde = hdirp + hoff;
8405#endif
8406 struct target_dirent *tde = tdirp + toff;
8407 int namelen;
8408 uint8_t type;
8409
8410 namelen = strlen(hde->d_name);
8411 hreclen = hde->d_reclen;
8412 treclen = offsetof(struct target_dirent, d_name) + namelen + 2;
8413 treclen = QEMU_ALIGN_UP(treclen, __alignof(struct target_dirent));
8414
8415 if (toff + treclen > count) {
8416
8417
8418
8419
8420
8421
8422 if (toff == 0) {
8423 toff = -TARGET_EINVAL;
8424 break;
8425 }
8426
8427
8428
8429
8430 lseek64(dirfd, prev_diroff, SEEK_SET);
8431 break;
8432 }
8433
8434 prev_diroff = hde->d_off;
8435 tde->d_ino = tswapal(hde->d_ino);
8436 tde->d_off = tswapal(hde->d_off);
8437 tde->d_reclen = tswap16(treclen);
8438 memcpy(tde->d_name, hde->d_name, namelen + 1);
8439
8440
8441
8442
8443
8444#ifdef EMULATE_GETDENTS_WITH_GETDENTS
8445 type = *((uint8_t *)hde + hreclen - 1);
8446#else
8447 type = hde->d_type;
8448#endif
8449 *((uint8_t *)tde + treclen - 1) = type;
8450 }
8451
8452 unlock_user(tdirp, arg2, toff);
8453 return toff;
8454}
8455#endif
8456
8457#if defined(TARGET_NR_getdents64) && defined(__NR_getdents64)
8458static int do_getdents64(abi_long dirfd, abi_long arg2, abi_long count)
8459{
8460 g_autofree void *hdirp = NULL;
8461 void *tdirp;
8462 int hlen, hoff, toff;
8463 int hreclen, treclen;
8464 off64_t prev_diroff = 0;
8465
8466 hdirp = g_try_malloc(count);
8467 if (!hdirp) {
8468 return -TARGET_ENOMEM;
8469 }
8470
8471 hlen = get_errno(sys_getdents64(dirfd, hdirp, count));
8472 if (is_error(hlen)) {
8473 return hlen;
8474 }
8475
8476 tdirp = lock_user(VERIFY_WRITE, arg2, count, 0);
8477 if (!tdirp) {
8478 return -TARGET_EFAULT;
8479 }
8480
8481 for (hoff = toff = 0; hoff < hlen; hoff += hreclen, toff += treclen) {
8482 struct linux_dirent64 *hde = hdirp + hoff;
8483 struct target_dirent64 *tde = tdirp + toff;
8484 int namelen;
8485
8486 namelen = strlen(hde->d_name) + 1;
8487 hreclen = hde->d_reclen;
8488 treclen = offsetof(struct target_dirent64, d_name) + namelen;
8489 treclen = QEMU_ALIGN_UP(treclen, __alignof(struct target_dirent64));
8490
8491 if (toff + treclen > count) {
8492
8493
8494
8495
8496
8497
8498 if (toff == 0) {
8499 toff = -TARGET_EINVAL;
8500 break;
8501 }
8502
8503
8504
8505
8506 lseek64(dirfd, prev_diroff, SEEK_SET);
8507 break;
8508 }
8509
8510 prev_diroff = hde->d_off;
8511 tde->d_ino = tswap64(hde->d_ino);
8512 tde->d_off = tswap64(hde->d_off);
8513 tde->d_reclen = tswap16(treclen);
8514 tde->d_type = hde->d_type;
8515 memcpy(tde->d_name, hde->d_name, namelen);
8516 }
8517
8518 unlock_user(tdirp, arg2, toff);
8519 return toff;
8520}
8521#endif
8522
8523#if defined(TARGET_NR_pivot_root) && defined(__NR_pivot_root)
8524_syscall2(int, pivot_root, const char *, new_root, const char *, put_old)
8525#endif
8526
8527
8528
8529
8530
8531
8532static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1,
8533 abi_long arg2, abi_long arg3, abi_long arg4,
8534 abi_long arg5, abi_long arg6, abi_long arg7,
8535 abi_long arg8)
8536{
8537 CPUState *cpu = env_cpu(cpu_env);
8538 abi_long ret;
8539#if defined(TARGET_NR_stat) || defined(TARGET_NR_stat64) \
8540 || defined(TARGET_NR_lstat) || defined(TARGET_NR_lstat64) \
8541 || defined(TARGET_NR_fstat) || defined(TARGET_NR_fstat64) \
8542 || defined(TARGET_NR_statx)
8543 struct stat st;
8544#endif
8545#if defined(TARGET_NR_statfs) || defined(TARGET_NR_statfs64) \
8546 || defined(TARGET_NR_fstatfs)
8547 struct statfs stfs;
8548#endif
8549 void *p;
8550
8551 switch(num) {
8552 case TARGET_NR_exit:
8553
8554
8555
8556
8557
8558 if (block_signals()) {
8559 return -QEMU_ERESTARTSYS;
8560 }
8561
8562 pthread_mutex_lock(&clone_lock);
8563
8564 if (CPU_NEXT(first_cpu)) {
8565 TaskState *ts = cpu->opaque;
8566
8567 object_property_set_bool(OBJECT(cpu), "realized", false, NULL);
8568 object_unref(OBJECT(cpu));
8569
8570
8571
8572
8573
8574
8575 pthread_mutex_unlock(&clone_lock);
8576
8577 if (ts->child_tidptr) {
8578 put_user_u32(0, ts->child_tidptr);
8579 do_sys_futex(g2h(cpu, ts->child_tidptr),
8580 FUTEX_WAKE, INT_MAX, NULL, NULL, 0);
8581 }
8582 thread_cpu = NULL;
8583 g_free(ts);
8584 rcu_unregister_thread();
8585 pthread_exit(NULL);
8586 }
8587
8588 pthread_mutex_unlock(&clone_lock);
8589 preexit_cleanup(cpu_env, arg1);
8590 _exit(arg1);
8591 return 0;
8592 case TARGET_NR_read:
8593 if (arg2 == 0 && arg3 == 0) {
8594 return get_errno(safe_read(arg1, 0, 0));
8595 } else {
8596 if (!(p = lock_user(VERIFY_WRITE, arg2, arg3, 0)))
8597 return -TARGET_EFAULT;
8598 ret = get_errno(safe_read(arg1, p, arg3));
8599 if (ret >= 0 &&
8600 fd_trans_host_to_target_data(arg1)) {
8601 ret = fd_trans_host_to_target_data(arg1)(p, ret);
8602 }
8603 unlock_user(p, arg2, ret);
8604 }
8605 return ret;
8606 case TARGET_NR_write:
8607 if (arg2 == 0 && arg3 == 0) {
8608 return get_errno(safe_write(arg1, 0, 0));
8609 }
8610 if (!(p = lock_user(VERIFY_READ, arg2, arg3, 1)))
8611 return -TARGET_EFAULT;
8612 if (fd_trans_target_to_host_data(arg1)) {
8613 void *copy = g_malloc(arg3);
8614 memcpy(copy, p, arg3);
8615 ret = fd_trans_target_to_host_data(arg1)(copy, arg3);
8616 if (ret >= 0) {
8617 ret = get_errno(safe_write(arg1, copy, ret));
8618 }
8619 g_free(copy);
8620 } else {
8621 ret = get_errno(safe_write(arg1, p, arg3));
8622 }
8623 unlock_user(p, arg2, 0);
8624 return ret;
8625
8626#ifdef TARGET_NR_open
8627 case TARGET_NR_open:
8628 if (!(p = lock_user_string(arg1)))
8629 return -TARGET_EFAULT;
8630 ret = get_errno(do_openat(cpu_env, AT_FDCWD, p,
8631 target_to_host_bitmask(arg2, fcntl_flags_tbl),
8632 arg3));
8633 fd_trans_unregister(ret);
8634 unlock_user(p, arg1, 0);
8635 return ret;
8636#endif
8637 case TARGET_NR_openat:
8638 if (!(p = lock_user_string(arg2)))
8639 return -TARGET_EFAULT;
8640 ret = get_errno(do_openat(cpu_env, arg1, p,
8641 target_to_host_bitmask(arg3, fcntl_flags_tbl),
8642 arg4));
8643 fd_trans_unregister(ret);
8644 unlock_user(p, arg2, 0);
8645 return ret;
8646#if defined(TARGET_NR_name_to_handle_at) && defined(CONFIG_OPEN_BY_HANDLE)
8647 case TARGET_NR_name_to_handle_at:
8648 ret = do_name_to_handle_at(arg1, arg2, arg3, arg4, arg5);
8649 return ret;
8650#endif
8651#if defined(TARGET_NR_open_by_handle_at) && defined(CONFIG_OPEN_BY_HANDLE)
8652 case TARGET_NR_open_by_handle_at:
8653 ret = do_open_by_handle_at(arg1, arg2, arg3);
8654 fd_trans_unregister(ret);
8655 return ret;
8656#endif
8657 case TARGET_NR_close:
8658 fd_trans_unregister(arg1);
8659 return get_errno(close(arg1));
8660
8661 case TARGET_NR_brk:
8662 return do_brk(arg1);
8663#ifdef TARGET_NR_fork
8664 case TARGET_NR_fork:
8665 return get_errno(do_fork(cpu_env, TARGET_SIGCHLD, 0, 0, 0, 0));
8666#endif
8667#ifdef TARGET_NR_waitpid
8668 case TARGET_NR_waitpid:
8669 {
8670 int status;
8671 ret = get_errno(safe_wait4(arg1, &status, arg3, 0));
8672 if (!is_error(ret) && arg2 && ret
8673 && put_user_s32(host_to_target_waitstatus(status), arg2))
8674 return -TARGET_EFAULT;
8675 }
8676 return ret;
8677#endif
8678#ifdef TARGET_NR_waitid
8679 case TARGET_NR_waitid:
8680 {
8681 siginfo_t info;
8682 info.si_pid = 0;
8683 ret = get_errno(safe_waitid(arg1, arg2, &info, arg4, NULL));
8684 if (!is_error(ret) && arg3 && info.si_pid != 0) {
8685 if (!(p = lock_user(VERIFY_WRITE, arg3, sizeof(target_siginfo_t), 0)))
8686 return -TARGET_EFAULT;
8687 host_to_target_siginfo(p, &info);
8688 unlock_user(p, arg3, sizeof(target_siginfo_t));
8689 }
8690 }
8691 return ret;
8692#endif
8693#ifdef TARGET_NR_creat
8694 case TARGET_NR_creat:
8695 if (!(p = lock_user_string(arg1)))
8696 return -TARGET_EFAULT;
8697 ret = get_errno(creat(p, arg2));
8698 fd_trans_unregister(ret);
8699 unlock_user(p, arg1, 0);
8700 return ret;
8701#endif
8702#ifdef TARGET_NR_link
8703 case TARGET_NR_link:
8704 {
8705 void * p2;
8706 p = lock_user_string(arg1);
8707 p2 = lock_user_string(arg2);
8708 if (!p || !p2)
8709 ret = -TARGET_EFAULT;
8710 else
8711 ret = get_errno(link(p, p2));
8712 unlock_user(p2, arg2, 0);
8713 unlock_user(p, arg1, 0);
8714 }
8715 return ret;
8716#endif
8717#if defined(TARGET_NR_linkat)
8718 case TARGET_NR_linkat:
8719 {
8720 void * p2 = NULL;
8721 if (!arg2 || !arg4)
8722 return -TARGET_EFAULT;
8723 p = lock_user_string(arg2);
8724 p2 = lock_user_string(arg4);
8725 if (!p || !p2)
8726 ret = -TARGET_EFAULT;
8727 else
8728 ret = get_errno(linkat(arg1, p, arg3, p2, arg5));
8729 unlock_user(p, arg2, 0);
8730 unlock_user(p2, arg4, 0);
8731 }
8732 return ret;
8733#endif
8734#ifdef TARGET_NR_unlink
8735 case TARGET_NR_unlink:
8736 if (!(p = lock_user_string(arg1)))
8737 return -TARGET_EFAULT;
8738 ret = get_errno(unlink(p));
8739 unlock_user(p, arg1, 0);
8740 return ret;
8741#endif
8742#if defined(TARGET_NR_unlinkat)
8743 case TARGET_NR_unlinkat:
8744 if (!(p = lock_user_string(arg2)))
8745 return -TARGET_EFAULT;
8746 ret = get_errno(unlinkat(arg1, p, arg3));
8747 unlock_user(p, arg2, 0);
8748 return ret;
8749#endif
8750 case TARGET_NR_execve:
8751 {
8752 char **argp, **envp;
8753 int argc, envc;
8754 abi_ulong gp;
8755 abi_ulong guest_argp;
8756 abi_ulong guest_envp;
8757 abi_ulong addr;
8758 char **q;
8759
8760 argc = 0;
8761 guest_argp = arg2;
8762 for (gp = guest_argp; gp; gp += sizeof(abi_ulong)) {
8763 if (get_user_ual(addr, gp))
8764 return -TARGET_EFAULT;
8765 if (!addr)
8766 break;
8767 argc++;
8768 }
8769 envc = 0;
8770 guest_envp = arg3;
8771 for (gp = guest_envp; gp; gp += sizeof(abi_ulong)) {
8772 if (get_user_ual(addr, gp))
8773 return -TARGET_EFAULT;
8774 if (!addr)
8775 break;
8776 envc++;
8777 }
8778
8779 argp = g_new0(char *, argc + 1);
8780 envp = g_new0(char *, envc + 1);
8781
8782 for (gp = guest_argp, q = argp; gp;
8783 gp += sizeof(abi_ulong), q++) {
8784 if (get_user_ual(addr, gp))
8785 goto execve_efault;
8786 if (!addr)
8787 break;
8788 if (!(*q = lock_user_string(addr)))
8789 goto execve_efault;
8790 }
8791 *q = NULL;
8792
8793 for (gp = guest_envp, q = envp; gp;
8794 gp += sizeof(abi_ulong), q++) {
8795 if (get_user_ual(addr, gp))
8796 goto execve_efault;
8797 if (!addr)
8798 break;
8799 if (!(*q = lock_user_string(addr)))
8800 goto execve_efault;
8801 }
8802 *q = NULL;
8803
8804 if (!(p = lock_user_string(arg1)))
8805 goto execve_efault;
8806
8807
8808
8809
8810
8811
8812
8813
8814
8815
8816 ret = get_errno(safe_execve(p, argp, envp));
8817 unlock_user(p, arg1, 0);
8818
8819 goto execve_end;
8820
8821 execve_efault:
8822 ret = -TARGET_EFAULT;
8823
8824 execve_end:
8825 for (gp = guest_argp, q = argp; *q;
8826 gp += sizeof(abi_ulong), q++) {
8827 if (get_user_ual(addr, gp)
8828 || !addr)
8829 break;
8830 unlock_user(*q, addr, 0);
8831 }
8832 for (gp = guest_envp, q = envp; *q;
8833 gp += sizeof(abi_ulong), q++) {
8834 if (get_user_ual(addr, gp)
8835 || !addr)
8836 break;
8837 unlock_user(*q, addr, 0);
8838 }
8839
8840 g_free(argp);
8841 g_free(envp);
8842 }
8843 return ret;
8844 case TARGET_NR_chdir:
8845 if (!(p = lock_user_string(arg1)))
8846 return -TARGET_EFAULT;
8847 ret = get_errno(chdir(p));
8848 unlock_user(p, arg1, 0);
8849 return ret;
8850#ifdef TARGET_NR_time
8851 case TARGET_NR_time:
8852 {
8853 time_t host_time;
8854 ret = get_errno(time(&host_time));
8855 if (!is_error(ret)
8856 && arg1
8857 && put_user_sal(host_time, arg1))
8858 return -TARGET_EFAULT;
8859 }
8860 return ret;
8861#endif
8862#ifdef TARGET_NR_mknod
8863 case TARGET_NR_mknod:
8864 if (!(p = lock_user_string(arg1)))
8865 return -TARGET_EFAULT;
8866 ret = get_errno(mknod(p, arg2, arg3));
8867 unlock_user(p, arg1, 0);
8868 return ret;
8869#endif
8870#if defined(TARGET_NR_mknodat)
8871 case TARGET_NR_mknodat:
8872 if (!(p = lock_user_string(arg2)))
8873 return -TARGET_EFAULT;
8874 ret = get_errno(mknodat(arg1, p, arg3, arg4));
8875 unlock_user(p, arg2, 0);
8876 return ret;
8877#endif
8878#ifdef TARGET_NR_chmod
8879 case TARGET_NR_chmod:
8880 if (!(p = lock_user_string(arg1)))
8881 return -TARGET_EFAULT;
8882 ret = get_errno(chmod(p, arg2));
8883 unlock_user(p, arg1, 0);
8884 return ret;
8885#endif
8886#ifdef TARGET_NR_lseek
8887 case TARGET_NR_lseek:
8888 return get_errno(lseek(arg1, arg2, arg3));
8889#endif
8890#if defined(TARGET_NR_getxpid) && defined(TARGET_ALPHA)
8891
8892 case TARGET_NR_getxpid:
8893 ((CPUAlphaState *)cpu_env)->ir[IR_A4] = getppid();
8894 return get_errno(getpid());
8895#endif
8896#ifdef TARGET_NR_getpid
8897 case TARGET_NR_getpid:
8898 return get_errno(getpid());
8899#endif
8900 case TARGET_NR_mount:
8901 {
8902
8903 void *p2, *p3;
8904
8905 if (arg1) {
8906 p = lock_user_string(arg1);
8907 if (!p) {
8908 return -TARGET_EFAULT;
8909 }
8910 } else {
8911 p = NULL;
8912 }
8913
8914 p2 = lock_user_string(arg2);
8915 if (!p2) {
8916 if (arg1) {
8917 unlock_user(p, arg1, 0);
8918 }
8919 return -TARGET_EFAULT;
8920 }
8921
8922 if (arg3) {
8923 p3 = lock_user_string(arg3);
8924 if (!p3) {
8925 if (arg1) {
8926 unlock_user(p, arg1, 0);
8927 }
8928 unlock_user(p2, arg2, 0);
8929 return -TARGET_EFAULT;
8930 }
8931 } else {
8932 p3 = NULL;
8933 }
8934
8935
8936
8937
8938
8939 if (!arg5) {
8940 ret = mount(p, p2, p3, (unsigned long)arg4, NULL);
8941 } else {
8942 ret = mount(p, p2, p3, (unsigned long)arg4, g2h(cpu, arg5));
8943 }
8944 ret = get_errno(ret);
8945
8946 if (arg1) {
8947 unlock_user(p, arg1, 0);
8948 }
8949 unlock_user(p2, arg2, 0);
8950 if (arg3) {
8951 unlock_user(p3, arg3, 0);
8952 }
8953 }
8954 return ret;
8955#if defined(TARGET_NR_umount) || defined(TARGET_NR_oldumount)
8956#if defined(TARGET_NR_umount)
8957 case TARGET_NR_umount:
8958#endif
8959#if defined(TARGET_NR_oldumount)
8960 case TARGET_NR_oldumount:
8961#endif
8962 if (!(p = lock_user_string(arg1)))
8963 return -TARGET_EFAULT;
8964 ret = get_errno(umount(p));
8965 unlock_user(p, arg1, 0);
8966 return ret;
8967#endif
8968#ifdef TARGET_NR_stime
8969 case TARGET_NR_stime:
8970 {
8971 struct timespec ts;
8972 ts.tv_nsec = 0;
8973 if (get_user_sal(ts.tv_sec, arg1)) {
8974 return -TARGET_EFAULT;
8975 }
8976 return get_errno(clock_settime(CLOCK_REALTIME, &ts));
8977 }
8978#endif
8979#ifdef TARGET_NR_alarm
8980 case TARGET_NR_alarm:
8981 return alarm(arg1);
8982#endif
8983#ifdef TARGET_NR_pause
8984 case TARGET_NR_pause:
8985 if (!block_signals()) {
8986 sigsuspend(&((TaskState *)cpu->opaque)->signal_mask);
8987 }
8988 return -TARGET_EINTR;
8989#endif
8990#ifdef TARGET_NR_utime
8991 case TARGET_NR_utime:
8992 {
8993 struct utimbuf tbuf, *host_tbuf;
8994 struct target_utimbuf *target_tbuf;
8995 if (arg2) {
8996 if (!lock_user_struct(VERIFY_READ, target_tbuf, arg2, 1))
8997 return -TARGET_EFAULT;
8998 tbuf.actime = tswapal(target_tbuf->actime);
8999 tbuf.modtime = tswapal(target_tbuf->modtime);
9000 unlock_user_struct(target_tbuf, arg2, 0);
9001 host_tbuf = &tbuf;
9002 } else {
9003 host_tbuf = NULL;
9004 }
9005 if (!(p = lock_user_string(arg1)))
9006 return -TARGET_EFAULT;
9007 ret = get_errno(utime(p, host_tbuf));
9008 unlock_user(p, arg1, 0);
9009 }
9010 return ret;
9011#endif
9012#ifdef TARGET_NR_utimes
9013 case TARGET_NR_utimes:
9014 {
9015 struct timeval *tvp, tv[2];
9016 if (arg2) {
9017 if (copy_from_user_timeval(&tv[0], arg2)
9018 || copy_from_user_timeval(&tv[1],
9019 arg2 + sizeof(struct target_timeval)))
9020 return -TARGET_EFAULT;
9021 tvp = tv;
9022 } else {
9023 tvp = NULL;
9024 }
9025 if (!(p = lock_user_string(arg1)))
9026 return -TARGET_EFAULT;
9027 ret = get_errno(utimes(p, tvp));
9028 unlock_user(p, arg1, 0);
9029 }
9030 return ret;
9031#endif
9032#if defined(TARGET_NR_futimesat)
9033 case TARGET_NR_futimesat:
9034 {
9035 struct timeval *tvp, tv[2];
9036 if (arg3) {
9037 if (copy_from_user_timeval(&tv[0], arg3)
9038 || copy_from_user_timeval(&tv[1],
9039 arg3 + sizeof(struct target_timeval)))
9040 return -TARGET_EFAULT;
9041 tvp = tv;
9042 } else {
9043 tvp = NULL;
9044 }
9045 if (!(p = lock_user_string(arg2))) {
9046 return -TARGET_EFAULT;
9047 }
9048 ret = get_errno(futimesat(arg1, path(p), tvp));
9049 unlock_user(p, arg2, 0);
9050 }
9051 return ret;
9052#endif
9053#ifdef TARGET_NR_access
9054 case TARGET_NR_access:
9055 if (!(p = lock_user_string(arg1))) {
9056 return -TARGET_EFAULT;
9057 }
9058 ret = get_errno(access(path(p), arg2));
9059 unlock_user(p, arg1, 0);
9060 return ret;
9061#endif
9062#if defined(TARGET_NR_faccessat) && defined(__NR_faccessat)
9063 case TARGET_NR_faccessat:
9064 if (!(p = lock_user_string(arg2))) {
9065 return -TARGET_EFAULT;
9066 }
9067 ret = get_errno(faccessat(arg1, p, arg3, 0));
9068 unlock_user(p, arg2, 0);
9069 return ret;
9070#endif
9071#ifdef TARGET_NR_nice
9072 case TARGET_NR_nice:
9073 return get_errno(nice(arg1));
9074#endif
9075 case TARGET_NR_sync:
9076 sync();
9077 return 0;
9078#if defined(TARGET_NR_syncfs) && defined(CONFIG_SYNCFS)
9079 case TARGET_NR_syncfs:
9080 return get_errno(syncfs(arg1));
9081#endif
9082 case TARGET_NR_kill:
9083 return get_errno(safe_kill(arg1, target_to_host_signal(arg2)));
9084#ifdef TARGET_NR_rename
9085 case TARGET_NR_rename:
9086 {
9087 void *p2;
9088 p = lock_user_string(arg1);
9089 p2 = lock_user_string(arg2);
9090 if (!p || !p2)
9091 ret = -TARGET_EFAULT;
9092 else
9093 ret = get_errno(rename(p, p2));
9094 unlock_user(p2, arg2, 0);
9095 unlock_user(p, arg1, 0);
9096 }
9097 return ret;
9098#endif
9099#if defined(TARGET_NR_renameat)
9100 case TARGET_NR_renameat:
9101 {
9102 void *p2;
9103 p = lock_user_string(arg2);
9104 p2 = lock_user_string(arg4);
9105 if (!p || !p2)
9106 ret = -TARGET_EFAULT;
9107 else
9108 ret = get_errno(renameat(arg1, p, arg3, p2));
9109 unlock_user(p2, arg4, 0);
9110 unlock_user(p, arg2, 0);
9111 }
9112 return ret;
9113#endif
9114#if defined(TARGET_NR_renameat2)
9115 case TARGET_NR_renameat2:
9116 {
9117 void *p2;
9118 p = lock_user_string(arg2);
9119 p2 = lock_user_string(arg4);
9120 if (!p || !p2) {
9121 ret = -TARGET_EFAULT;
9122 } else {
9123 ret = get_errno(sys_renameat2(arg1, p, arg3, p2, arg5));
9124 }
9125 unlock_user(p2, arg4, 0);
9126 unlock_user(p, arg2, 0);
9127 }
9128 return ret;
9129#endif
9130#ifdef TARGET_NR_mkdir
9131 case TARGET_NR_mkdir:
9132 if (!(p = lock_user_string(arg1)))
9133 return -TARGET_EFAULT;
9134 ret = get_errno(mkdir(p, arg2));
9135 unlock_user(p, arg1, 0);
9136 return ret;
9137#endif
9138#if defined(TARGET_NR_mkdirat)
9139 case TARGET_NR_mkdirat:
9140 if (!(p = lock_user_string(arg2)))
9141 return -TARGET_EFAULT;
9142 ret = get_errno(mkdirat(arg1, p, arg3));
9143 unlock_user(p, arg2, 0);
9144 return ret;
9145#endif
9146#ifdef TARGET_NR_rmdir
9147 case TARGET_NR_rmdir:
9148 if (!(p = lock_user_string(arg1)))
9149 return -TARGET_EFAULT;
9150 ret = get_errno(rmdir(p));
9151 unlock_user(p, arg1, 0);
9152 return ret;
9153#endif
9154 case TARGET_NR_dup:
9155 ret = get_errno(dup(arg1));
9156 if (ret >= 0) {
9157 fd_trans_dup(arg1, ret);
9158 }
9159 return ret;
9160#ifdef TARGET_NR_pipe
9161 case TARGET_NR_pipe:
9162 return do_pipe(cpu_env, arg1, 0, 0);
9163#endif
9164#ifdef TARGET_NR_pipe2
9165 case TARGET_NR_pipe2:
9166 return do_pipe(cpu_env, arg1,
9167 target_to_host_bitmask(arg2, fcntl_flags_tbl), 1);
9168#endif
9169 case TARGET_NR_times:
9170 {
9171 struct target_tms *tmsp;
9172 struct tms tms;
9173 ret = get_errno(times(&tms));
9174 if (arg1) {
9175 tmsp = lock_user(VERIFY_WRITE, arg1, sizeof(struct target_tms), 0);
9176 if (!tmsp)
9177 return -TARGET_EFAULT;
9178 tmsp->tms_utime = tswapal(host_to_target_clock_t(tms.tms_utime));
9179 tmsp->tms_stime = tswapal(host_to_target_clock_t(tms.tms_stime));
9180 tmsp->tms_cutime = tswapal(host_to_target_clock_t(tms.tms_cutime));
9181 tmsp->tms_cstime = tswapal(host_to_target_clock_t(tms.tms_cstime));
9182 }
9183 if (!is_error(ret))
9184 ret = host_to_target_clock_t(ret);
9185 }
9186 return ret;
9187 case TARGET_NR_acct:
9188 if (arg1 == 0) {
9189 ret = get_errno(acct(NULL));
9190 } else {
9191 if (!(p = lock_user_string(arg1))) {
9192 return -TARGET_EFAULT;
9193 }
9194 ret = get_errno(acct(path(p)));
9195 unlock_user(p, arg1, 0);
9196 }
9197 return ret;
9198#ifdef TARGET_NR_umount2
9199 case TARGET_NR_umount2:
9200 if (!(p = lock_user_string(arg1)))
9201 return -TARGET_EFAULT;
9202 ret = get_errno(umount2(p, arg2));
9203 unlock_user(p, arg1, 0);
9204 return ret;
9205#endif
9206 case TARGET_NR_ioctl:
9207 return do_ioctl(arg1, arg2, arg3);
9208#ifdef TARGET_NR_fcntl
9209 case TARGET_NR_fcntl:
9210 return do_fcntl(arg1, arg2, arg3);
9211#endif
9212 case TARGET_NR_setpgid:
9213 return get_errno(setpgid(arg1, arg2));
9214 case TARGET_NR_umask:
9215 return get_errno(umask(arg1));
9216 case TARGET_NR_chroot:
9217 if (!(p = lock_user_string(arg1)))
9218 return -TARGET_EFAULT;
9219 ret = get_errno(chroot(p));
9220 unlock_user(p, arg1, 0);
9221 return ret;
9222#ifdef TARGET_NR_dup2
9223 case TARGET_NR_dup2:
9224 ret = get_errno(dup2(arg1, arg2));
9225 if (ret >= 0) {
9226 fd_trans_dup(arg1, arg2);
9227 }
9228 return ret;
9229#endif
9230#if defined(CONFIG_DUP3) && defined(TARGET_NR_dup3)
9231 case TARGET_NR_dup3:
9232 {
9233 int host_flags;
9234
9235 if ((arg3 & ~TARGET_O_CLOEXEC) != 0) {
9236 return -EINVAL;
9237 }
9238 host_flags = target_to_host_bitmask(arg3, fcntl_flags_tbl);
9239 ret = get_errno(dup3(arg1, arg2, host_flags));
9240 if (ret >= 0) {
9241 fd_trans_dup(arg1, arg2);
9242 }
9243 return ret;
9244 }
9245#endif
9246#ifdef TARGET_NR_getppid
9247 case TARGET_NR_getppid:
9248 return get_errno(getppid());
9249#endif
9250#ifdef TARGET_NR_getpgrp
9251 case TARGET_NR_getpgrp:
9252 return get_errno(getpgrp());
9253#endif
9254 case TARGET_NR_setsid:
9255 return get_errno(setsid());
9256#ifdef TARGET_NR_sigaction
9257 case TARGET_NR_sigaction:
9258 {
9259#if defined(TARGET_MIPS)
9260 struct target_sigaction act, oact, *pact, *old_act;
9261
9262 if (arg2) {
9263 if (!lock_user_struct(VERIFY_READ, old_act, arg2, 1))
9264 return -TARGET_EFAULT;
9265 act._sa_handler = old_act->_sa_handler;
9266 target_siginitset(&act.sa_mask, old_act->sa_mask.sig[0]);
9267 act.sa_flags = old_act->sa_flags;
9268 unlock_user_struct(old_act, arg2, 0);
9269 pact = &act;
9270 } else {
9271 pact = NULL;
9272 }
9273
9274 ret = get_errno(do_sigaction(arg1, pact, &oact, 0));
9275
9276 if (!is_error(ret) && arg3) {
9277 if (!lock_user_struct(VERIFY_WRITE, old_act, arg3, 0))
9278 return -TARGET_EFAULT;
9279 old_act->_sa_handler = oact._sa_handler;
9280 old_act->sa_flags = oact.sa_flags;
9281 old_act->sa_mask.sig[0] = oact.sa_mask.sig[0];
9282 old_act->sa_mask.sig[1] = 0;
9283 old_act->sa_mask.sig[2] = 0;
9284 old_act->sa_mask.sig[3] = 0;
9285 unlock_user_struct(old_act, arg3, 1);
9286 }
9287#else
9288 struct target_old_sigaction *old_act;
9289 struct target_sigaction act, oact, *pact;
9290 if (arg2) {
9291 if (!lock_user_struct(VERIFY_READ, old_act, arg2, 1))
9292 return -TARGET_EFAULT;
9293 act._sa_handler = old_act->_sa_handler;
9294 target_siginitset(&act.sa_mask, old_act->sa_mask);
9295 act.sa_flags = old_act->sa_flags;
9296#ifdef TARGET_ARCH_HAS_SA_RESTORER
9297 act.sa_restorer = old_act->sa_restorer;
9298#endif
9299 unlock_user_struct(old_act, arg2, 0);
9300 pact = &act;
9301 } else {
9302 pact = NULL;
9303 }
9304 ret = get_errno(do_sigaction(arg1, pact, &oact, 0));
9305 if (!is_error(ret) && arg3) {
9306 if (!lock_user_struct(VERIFY_WRITE, old_act, arg3, 0))
9307 return -TARGET_EFAULT;
9308 old_act->_sa_handler = oact._sa_handler;
9309 old_act->sa_mask = oact.sa_mask.sig[0];
9310 old_act->sa_flags = oact.sa_flags;
9311#ifdef TARGET_ARCH_HAS_SA_RESTORER
9312 old_act->sa_restorer = oact.sa_restorer;
9313#endif
9314 unlock_user_struct(old_act, arg3, 1);
9315 }
9316#endif
9317 }
9318 return ret;
9319#endif
9320 case TARGET_NR_rt_sigaction:
9321 {
9322
9323
9324
9325
9326
9327
9328
9329#if defined(TARGET_ALPHA)
9330 target_ulong sigsetsize = arg4;
9331 target_ulong restorer = arg5;
9332#elif defined(TARGET_SPARC)
9333 target_ulong restorer = arg4;
9334 target_ulong sigsetsize = arg5;
9335#else
9336 target_ulong sigsetsize = arg4;
9337 target_ulong restorer = 0;
9338#endif
9339 struct target_sigaction *act = NULL;
9340 struct target_sigaction *oact = NULL;
9341
9342 if (sigsetsize != sizeof(target_sigset_t)) {
9343 return -TARGET_EINVAL;
9344 }
9345 if (arg2 && !lock_user_struct(VERIFY_READ, act, arg2, 1)) {
9346 return -TARGET_EFAULT;
9347 }
9348 if (arg3 && !lock_user_struct(VERIFY_WRITE, oact, arg3, 0)) {
9349 ret = -TARGET_EFAULT;
9350 } else {
9351 ret = get_errno(do_sigaction(arg1, act, oact, restorer));
9352 if (oact) {
9353 unlock_user_struct(oact, arg3, 1);
9354 }
9355 }
9356 if (act) {
9357 unlock_user_struct(act, arg2, 0);
9358 }
9359 }
9360 return ret;
9361#ifdef TARGET_NR_sgetmask
9362 case TARGET_NR_sgetmask:
9363 {
9364 sigset_t cur_set;
9365 abi_ulong target_set;
9366 ret = do_sigprocmask(0, NULL, &cur_set);
9367 if (!ret) {
9368 host_to_target_old_sigset(&target_set, &cur_set);
9369 ret = target_set;
9370 }
9371 }
9372 return ret;
9373#endif
9374#ifdef TARGET_NR_ssetmask
9375 case TARGET_NR_ssetmask:
9376 {
9377 sigset_t set, oset;
9378 abi_ulong target_set = arg1;
9379 target_to_host_old_sigset(&set, &target_set);
9380 ret = do_sigprocmask(SIG_SETMASK, &set, &oset);
9381 if (!ret) {
9382 host_to_target_old_sigset(&target_set, &oset);
9383 ret = target_set;
9384 }
9385 }
9386 return ret;
9387#endif
9388#ifdef TARGET_NR_sigprocmask
9389 case TARGET_NR_sigprocmask:
9390 {
9391#if defined(TARGET_ALPHA)
9392 sigset_t set, oldset;
9393 abi_ulong mask;
9394 int how;
9395
9396 switch (arg1) {
9397 case TARGET_SIG_BLOCK:
9398 how = SIG_BLOCK;
9399 break;
9400 case TARGET_SIG_UNBLOCK:
9401 how = SIG_UNBLOCK;
9402 break;
9403 case TARGET_SIG_SETMASK:
9404 how = SIG_SETMASK;
9405 break;
9406 default:
9407 return -TARGET_EINVAL;
9408 }
9409 mask = arg2;
9410 target_to_host_old_sigset(&set, &mask);
9411
9412 ret = do_sigprocmask(how, &set, &oldset);
9413 if (!is_error(ret)) {
9414 host_to_target_old_sigset(&mask, &oldset);
9415 ret = mask;
9416 ((CPUAlphaState *)cpu_env)->ir[IR_V0] = 0;
9417 }
9418#else
9419 sigset_t set, oldset, *set_ptr;
9420 int how;
9421
9422 if (arg2) {
9423 p = lock_user(VERIFY_READ, arg2, sizeof(target_sigset_t), 1);
9424 if (!p) {
9425 return -TARGET_EFAULT;
9426 }
9427 target_to_host_old_sigset(&set, p);
9428 unlock_user(p, arg2, 0);
9429 set_ptr = &set;
9430 switch (arg1) {
9431 case TARGET_SIG_BLOCK:
9432 how = SIG_BLOCK;
9433 break;
9434 case TARGET_SIG_UNBLOCK:
9435 how = SIG_UNBLOCK;
9436 break;
9437 case TARGET_SIG_SETMASK:
9438 how = SIG_SETMASK;
9439 break;
9440 default:
9441 return -TARGET_EINVAL;
9442 }
9443 } else {
9444 how = 0;
9445 set_ptr = NULL;
9446 }
9447 ret = do_sigprocmask(how, set_ptr, &oldset);
9448 if (!is_error(ret) && arg3) {
9449 if (!(p = lock_user(VERIFY_WRITE, arg3, sizeof(target_sigset_t), 0)))
9450 return -TARGET_EFAULT;
9451 host_to_target_old_sigset(p, &oldset);
9452 unlock_user(p, arg3, sizeof(target_sigset_t));
9453 }
9454#endif
9455 }
9456 return ret;
9457#endif
9458 case TARGET_NR_rt_sigprocmask:
9459 {
9460 int how = arg1;
9461 sigset_t set, oldset, *set_ptr;
9462
9463 if (arg4 != sizeof(target_sigset_t)) {
9464 return -TARGET_EINVAL;
9465 }
9466
9467 if (arg2) {
9468 p = lock_user(VERIFY_READ, arg2, sizeof(target_sigset_t), 1);
9469 if (!p) {
9470 return -TARGET_EFAULT;
9471 }
9472 target_to_host_sigset(&set, p);
9473 unlock_user(p, arg2, 0);
9474 set_ptr = &set;
9475 switch(how) {
9476 case TARGET_SIG_BLOCK:
9477 how = SIG_BLOCK;
9478 break;
9479 case TARGET_SIG_UNBLOCK:
9480 how = SIG_UNBLOCK;
9481 break;
9482 case TARGET_SIG_SETMASK:
9483 how = SIG_SETMASK;
9484 break;
9485 default:
9486 return -TARGET_EINVAL;
9487 }
9488 } else {
9489 how = 0;
9490 set_ptr = NULL;
9491 }
9492 ret = do_sigprocmask(how, set_ptr, &oldset);
9493 if (!is_error(ret) && arg3) {
9494 if (!(p = lock_user(VERIFY_WRITE, arg3, sizeof(target_sigset_t), 0)))
9495 return -TARGET_EFAULT;
9496 host_to_target_sigset(p, &oldset);
9497 unlock_user(p, arg3, sizeof(target_sigset_t));
9498 }
9499 }
9500 return ret;
9501#ifdef TARGET_NR_sigpending
9502 case TARGET_NR_sigpending:
9503 {
9504 sigset_t set;
9505 ret = get_errno(sigpending(&set));
9506 if (!is_error(ret)) {
9507 if (!(p = lock_user(VERIFY_WRITE, arg1, sizeof(target_sigset_t), 0)))
9508 return -TARGET_EFAULT;
9509 host_to_target_old_sigset(p, &set);
9510 unlock_user(p, arg1, sizeof(target_sigset_t));
9511 }
9512 }
9513 return ret;
9514#endif
9515 case TARGET_NR_rt_sigpending:
9516 {
9517 sigset_t set;
9518
9519
9520
9521
9522
9523
9524 if (arg2 > sizeof(target_sigset_t)) {
9525 return -TARGET_EINVAL;
9526 }
9527
9528 ret = get_errno(sigpending(&set));
9529 if (!is_error(ret)) {
9530 if (!(p = lock_user(VERIFY_WRITE, arg1, sizeof(target_sigset_t), 0)))
9531 return -TARGET_EFAULT;
9532 host_to_target_sigset(p, &set);
9533 unlock_user(p, arg1, sizeof(target_sigset_t));
9534 }
9535 }
9536 return ret;
9537#ifdef TARGET_NR_sigsuspend
9538 case TARGET_NR_sigsuspend:
9539 {
9540 sigset_t *set;
9541
9542#if defined(TARGET_ALPHA)
9543 TaskState *ts = cpu->opaque;
9544
9545 abi_ulong mask = tswapal(arg1);
9546 set = &ts->sigsuspend_mask;
9547 target_to_host_old_sigset(set, &mask);
9548#else
9549 ret = process_sigsuspend_mask(&set, arg1, sizeof(target_sigset_t));
9550 if (ret != 0) {
9551 return ret;
9552 }
9553#endif
9554 ret = get_errno(safe_rt_sigsuspend(set, SIGSET_T_SIZE));
9555 finish_sigsuspend_mask(ret);
9556 }
9557 return ret;
9558#endif
9559 case TARGET_NR_rt_sigsuspend:
9560 {
9561 sigset_t *set;
9562
9563 ret = process_sigsuspend_mask(&set, arg1, arg2);
9564 if (ret != 0) {
9565 return ret;
9566 }
9567 ret = get_errno(safe_rt_sigsuspend(set, SIGSET_T_SIZE));
9568 finish_sigsuspend_mask(ret);
9569 }
9570 return ret;
9571#ifdef TARGET_NR_rt_sigtimedwait
9572 case TARGET_NR_rt_sigtimedwait:
9573 {
9574 sigset_t set;
9575 struct timespec uts, *puts;
9576 siginfo_t uinfo;
9577
9578 if (arg4 != sizeof(target_sigset_t)) {
9579 return -TARGET_EINVAL;
9580 }
9581
9582 if (!(p = lock_user(VERIFY_READ, arg1, sizeof(target_sigset_t), 1)))
9583 return -TARGET_EFAULT;
9584 target_to_host_sigset(&set, p);
9585 unlock_user(p, arg1, 0);
9586 if (arg3) {
9587 puts = &uts;
9588 if (target_to_host_timespec(puts, arg3)) {
9589 return -TARGET_EFAULT;
9590 }
9591 } else {
9592 puts = NULL;
9593 }
9594 ret = get_errno(safe_rt_sigtimedwait(&set, &uinfo, puts,
9595 SIGSET_T_SIZE));
9596 if (!is_error(ret)) {
9597 if (arg2) {
9598 p = lock_user(VERIFY_WRITE, arg2, sizeof(target_siginfo_t),
9599 0);
9600 if (!p) {
9601 return -TARGET_EFAULT;
9602 }
9603 host_to_target_siginfo(p, &uinfo);
9604 unlock_user(p, arg2, sizeof(target_siginfo_t));
9605 }
9606 ret = host_to_target_signal(ret);
9607 }
9608 }
9609 return ret;
9610#endif
9611#ifdef TARGET_NR_rt_sigtimedwait_time64
9612 case TARGET_NR_rt_sigtimedwait_time64:
9613 {
9614 sigset_t set;
9615 struct timespec uts, *puts;
9616 siginfo_t uinfo;
9617
9618 if (arg4 != sizeof(target_sigset_t)) {
9619 return -TARGET_EINVAL;
9620 }
9621
9622 p = lock_user(VERIFY_READ, arg1, sizeof(target_sigset_t), 1);
9623 if (!p) {
9624 return -TARGET_EFAULT;
9625 }
9626 target_to_host_sigset(&set, p);
9627 unlock_user(p, arg1, 0);
9628 if (arg3) {
9629 puts = &uts;
9630 if (target_to_host_timespec64(puts, arg3)) {
9631 return -TARGET_EFAULT;
9632 }
9633 } else {
9634 puts = NULL;
9635 }
9636 ret = get_errno(safe_rt_sigtimedwait(&set, &uinfo, puts,
9637 SIGSET_T_SIZE));
9638 if (!is_error(ret)) {
9639 if (arg2) {
9640 p = lock_user(VERIFY_WRITE, arg2,
9641 sizeof(target_siginfo_t), 0);
9642 if (!p) {
9643 return -TARGET_EFAULT;
9644 }
9645 host_to_target_siginfo(p, &uinfo);
9646 unlock_user(p, arg2, sizeof(target_siginfo_t));
9647 }
9648 ret = host_to_target_signal(ret);
9649 }
9650 }
9651 return ret;
9652#endif
9653 case TARGET_NR_rt_sigqueueinfo:
9654 {
9655 siginfo_t uinfo;
9656
9657 p = lock_user(VERIFY_READ, arg3, sizeof(target_siginfo_t), 1);
9658 if (!p) {
9659 return -TARGET_EFAULT;
9660 }
9661 target_to_host_siginfo(&uinfo, p);
9662 unlock_user(p, arg3, 0);
9663 ret = get_errno(sys_rt_sigqueueinfo(arg1, arg2, &uinfo));
9664 }
9665 return ret;
9666 case TARGET_NR_rt_tgsigqueueinfo:
9667 {
9668 siginfo_t uinfo;
9669
9670 p = lock_user(VERIFY_READ, arg4, sizeof(target_siginfo_t), 1);
9671 if (!p) {
9672 return -TARGET_EFAULT;
9673 }
9674 target_to_host_siginfo(&uinfo, p);
9675 unlock_user(p, arg4, 0);
9676 ret = get_errno(sys_rt_tgsigqueueinfo(arg1, arg2, arg3, &uinfo));
9677 }
9678 return ret;
9679#ifdef TARGET_NR_sigreturn
9680 case TARGET_NR_sigreturn:
9681 if (block_signals()) {
9682 return -QEMU_ERESTARTSYS;
9683 }
9684 return do_sigreturn(cpu_env);
9685#endif
9686 case TARGET_NR_rt_sigreturn:
9687 if (block_signals()) {
9688 return -QEMU_ERESTARTSYS;
9689 }
9690 return do_rt_sigreturn(cpu_env);
9691 case TARGET_NR_sethostname:
9692 if (!(p = lock_user_string(arg1)))
9693 return -TARGET_EFAULT;
9694 ret = get_errno(sethostname(p, arg2));
9695 unlock_user(p, arg1, 0);
9696 return ret;
9697#ifdef TARGET_NR_setrlimit
9698 case TARGET_NR_setrlimit:
9699 {
9700 int resource = target_to_host_resource(arg1);
9701 struct target_rlimit *target_rlim;
9702 struct rlimit rlim;
9703 if (!lock_user_struct(VERIFY_READ, target_rlim, arg2, 1))
9704 return -TARGET_EFAULT;
9705 rlim.rlim_cur = target_to_host_rlim(target_rlim->rlim_cur);
9706 rlim.rlim_max = target_to_host_rlim(target_rlim->rlim_max);
9707 unlock_user_struct(target_rlim, arg2, 0);
9708
9709
9710
9711
9712
9713
9714
9715
9716 if (resource != RLIMIT_AS &&
9717 resource != RLIMIT_DATA &&
9718 resource != RLIMIT_STACK) {
9719 return get_errno(setrlimit(resource, &rlim));
9720 } else {
9721 return 0;
9722 }
9723 }
9724#endif
9725#ifdef TARGET_NR_getrlimit
9726 case TARGET_NR_getrlimit:
9727 {
9728 int resource = target_to_host_resource(arg1);
9729 struct target_rlimit *target_rlim;
9730 struct rlimit rlim;
9731
9732 ret = get_errno(getrlimit(resource, &rlim));
9733 if (!is_error(ret)) {
9734 if (!lock_user_struct(VERIFY_WRITE, target_rlim, arg2, 0))
9735 return -TARGET_EFAULT;
9736 target_rlim->rlim_cur = host_to_target_rlim(rlim.rlim_cur);
9737 target_rlim->rlim_max = host_to_target_rlim(rlim.rlim_max);
9738 unlock_user_struct(target_rlim, arg2, 1);
9739 }
9740 }
9741 return ret;
9742#endif
9743 case TARGET_NR_getrusage:
9744 {
9745 struct rusage rusage;
9746 ret = get_errno(getrusage(arg1, &rusage));
9747 if (!is_error(ret)) {
9748 ret = host_to_target_rusage(arg2, &rusage);
9749 }
9750 }
9751 return ret;
9752#if defined(TARGET_NR_gettimeofday)
9753 case TARGET_NR_gettimeofday:
9754 {
9755 struct timeval tv;
9756 struct timezone tz;
9757
9758 ret = get_errno(gettimeofday(&tv, &tz));
9759 if (!is_error(ret)) {
9760 if (arg1 && copy_to_user_timeval(arg1, &tv)) {
9761 return -TARGET_EFAULT;
9762 }
9763 if (arg2 && copy_to_user_timezone(arg2, &tz)) {
9764 return -TARGET_EFAULT;
9765 }
9766 }
9767 }
9768 return ret;
9769#endif
9770#if defined(TARGET_NR_settimeofday)
9771 case TARGET_NR_settimeofday:
9772 {
9773 struct timeval tv, *ptv = NULL;
9774 struct timezone tz, *ptz = NULL;
9775
9776 if (arg1) {
9777 if (copy_from_user_timeval(&tv, arg1)) {
9778 return -TARGET_EFAULT;
9779 }
9780 ptv = &tv;
9781 }
9782
9783 if (arg2) {
9784 if (copy_from_user_timezone(&tz, arg2)) {
9785 return -TARGET_EFAULT;
9786 }
9787 ptz = &tz;
9788 }
9789
9790 return get_errno(settimeofday(ptv, ptz));
9791 }
9792#endif
9793#if defined(TARGET_NR_select)
9794 case TARGET_NR_select:
9795#if defined(TARGET_WANT_NI_OLD_SELECT)
9796
9797
9798
9799 ret = -TARGET_ENOSYS;
9800#elif defined(TARGET_WANT_OLD_SYS_SELECT)
9801 ret = do_old_select(arg1);
9802#else
9803 ret = do_select(arg1, arg2, arg3, arg4, arg5);
9804#endif
9805 return ret;
9806#endif
9807#ifdef TARGET_NR_pselect6
9808 case TARGET_NR_pselect6:
9809 return do_pselect6(arg1, arg2, arg3, arg4, arg5, arg6, false);
9810#endif
9811#ifdef TARGET_NR_pselect6_time64
9812 case TARGET_NR_pselect6_time64:
9813 return do_pselect6(arg1, arg2, arg3, arg4, arg5, arg6, true);
9814#endif
9815#ifdef TARGET_NR_symlink
9816 case TARGET_NR_symlink:
9817 {
9818 void *p2;
9819 p = lock_user_string(arg1);
9820 p2 = lock_user_string(arg2);
9821 if (!p || !p2)
9822 ret = -TARGET_EFAULT;
9823 else
9824 ret = get_errno(symlink(p, p2));
9825 unlock_user(p2, arg2, 0);
9826 unlock_user(p, arg1, 0);
9827 }
9828 return ret;
9829#endif
9830#if defined(TARGET_NR_symlinkat)
9831 case TARGET_NR_symlinkat:
9832 {
9833 void *p2;
9834 p = lock_user_string(arg1);
9835 p2 = lock_user_string(arg3);
9836 if (!p || !p2)
9837 ret = -TARGET_EFAULT;
9838 else
9839 ret = get_errno(symlinkat(p, arg2, p2));
9840 unlock_user(p2, arg3, 0);
9841 unlock_user(p, arg1, 0);
9842 }
9843 return ret;
9844#endif
9845#ifdef TARGET_NR_readlink
9846 case TARGET_NR_readlink:
9847 {
9848 void *p2;
9849 p = lock_user_string(arg1);
9850 p2 = lock_user(VERIFY_WRITE, arg2, arg3, 0);
9851 if (!p || !p2) {
9852 ret = -TARGET_EFAULT;
9853 } else if (!arg3) {
9854
9855 ret = -TARGET_EINVAL;
9856 } else if (is_proc_myself((const char *)p, "exe")) {
9857 char real[PATH_MAX], *temp;
9858 temp = realpath(exec_path, real);
9859
9860 if (temp == NULL) {
9861 ret = get_errno(-1);
9862 } else {
9863
9864
9865 ret = MIN(strlen(real), arg3);
9866
9867 memcpy(p2, real, ret);
9868 }
9869 } else {
9870 ret = get_errno(readlink(path(p), p2, arg3));
9871 }
9872 unlock_user(p2, arg2, ret);
9873 unlock_user(p, arg1, 0);
9874 }
9875 return ret;
9876#endif
9877#if defined(TARGET_NR_readlinkat)
9878 case TARGET_NR_readlinkat:
9879 {
9880 void *p2;
9881 p = lock_user_string(arg2);
9882 p2 = lock_user(VERIFY_WRITE, arg3, arg4, 0);
9883 if (!p || !p2) {
9884 ret = -TARGET_EFAULT;
9885 } else if (is_proc_myself((const char *)p, "exe")) {
9886 char real[PATH_MAX], *temp;
9887 temp = realpath(exec_path, real);
9888 ret = temp == NULL ? get_errno(-1) : strlen(real) ;
9889 snprintf((char *)p2, arg4, "%s", real);
9890 } else {
9891 ret = get_errno(readlinkat(arg1, path(p), p2, arg4));
9892 }
9893 unlock_user(p2, arg3, ret);
9894 unlock_user(p, arg2, 0);
9895 }
9896 return ret;
9897#endif
9898#ifdef TARGET_NR_swapon
9899 case TARGET_NR_swapon:
9900 if (!(p = lock_user_string(arg1)))
9901 return -TARGET_EFAULT;
9902 ret = get_errno(swapon(p, arg2));
9903 unlock_user(p, arg1, 0);
9904 return ret;
9905#endif
9906 case TARGET_NR_reboot:
9907 if (arg3 == LINUX_REBOOT_CMD_RESTART2) {
9908
9909 p = lock_user_string(arg4);
9910 if (!p) {
9911 return -TARGET_EFAULT;
9912 }
9913 ret = get_errno(reboot(arg1, arg2, arg3, p));
9914 unlock_user(p, arg4, 0);
9915 } else {
9916 ret = get_errno(reboot(arg1, arg2, arg3, NULL));
9917 }
9918 return ret;
9919#ifdef TARGET_NR_mmap
9920 case TARGET_NR_mmap:
9921#if (defined(TARGET_I386) && defined(TARGET_ABI32)) || \
9922 (defined(TARGET_ARM) && defined(TARGET_ABI32)) || \
9923 defined(TARGET_M68K) || defined(TARGET_CRIS) || defined(TARGET_MICROBLAZE) \
9924 || defined(TARGET_S390X)
9925 {
9926 abi_ulong *v;
9927 abi_ulong v1, v2, v3, v4, v5, v6;
9928 if (!(v = lock_user(VERIFY_READ, arg1, 6 * sizeof(abi_ulong), 1)))
9929 return -TARGET_EFAULT;
9930 v1 = tswapal(v[0]);
9931 v2 = tswapal(v[1]);
9932 v3 = tswapal(v[2]);
9933 v4 = tswapal(v[3]);
9934 v5 = tswapal(v[4]);
9935 v6 = tswapal(v[5]);
9936 unlock_user(v, arg1, 0);
9937 ret = get_errno(target_mmap(v1, v2, v3,
9938 target_to_host_bitmask(v4, mmap_flags_tbl),
9939 v5, v6));
9940 }
9941#else
9942
9943 ret = get_errno(target_mmap(arg1, arg2, arg3,
9944 target_to_host_bitmask(arg4, mmap_flags_tbl),
9945 arg5,
9946 arg6));
9947#endif
9948 return ret;
9949#endif
9950#ifdef TARGET_NR_mmap2
9951 case TARGET_NR_mmap2:
9952#ifndef MMAP_SHIFT
9953#define MMAP_SHIFT 12
9954#endif
9955 ret = target_mmap(arg1, arg2, arg3,
9956 target_to_host_bitmask(arg4, mmap_flags_tbl),
9957 arg5, arg6 << MMAP_SHIFT);
9958 return get_errno(ret);
9959#endif
9960 case TARGET_NR_munmap:
9961 arg1 = cpu_untagged_addr(cpu, arg1);
9962 return get_errno(target_munmap(arg1, arg2));
9963 case TARGET_NR_mprotect:
9964 arg1 = cpu_untagged_addr(cpu, arg1);
9965 {
9966 TaskState *ts = cpu->opaque;
9967
9968 if ((arg3 & PROT_GROWSDOWN)
9969 && arg1 >= ts->info->stack_limit
9970 && arg1 <= ts->info->start_stack) {
9971 arg3 &= ~PROT_GROWSDOWN;
9972 arg2 = arg2 + arg1 - ts->info->stack_limit;
9973 arg1 = ts->info->stack_limit;
9974 }
9975 }
9976 return get_errno(target_mprotect(arg1, arg2, arg3));
9977#ifdef TARGET_NR_mremap
9978 case TARGET_NR_mremap:
9979 arg1 = cpu_untagged_addr(cpu, arg1);
9980
9981 return get_errno(target_mremap(arg1, arg2, arg3, arg4, arg5));
9982#endif
9983
9984#ifdef TARGET_NR_msync
9985 case TARGET_NR_msync:
9986 return get_errno(msync(g2h(cpu, arg1), arg2, arg3));
9987#endif
9988#ifdef TARGET_NR_mlock
9989 case TARGET_NR_mlock:
9990 return get_errno(mlock(g2h(cpu, arg1), arg2));
9991#endif
9992#ifdef TARGET_NR_munlock
9993 case TARGET_NR_munlock:
9994 return get_errno(munlock(g2h(cpu, arg1), arg2));
9995#endif
9996#ifdef TARGET_NR_mlockall
9997 case TARGET_NR_mlockall:
9998 return get_errno(mlockall(target_to_host_mlockall_arg(arg1)));
9999#endif
10000#ifdef TARGET_NR_munlockall
10001 case TARGET_NR_munlockall:
10002 return get_errno(munlockall());
10003#endif
10004#ifdef TARGET_NR_truncate
10005 case TARGET_NR_truncate:
10006 if (!(p = lock_user_string(arg1)))
10007 return -TARGET_EFAULT;
10008 ret = get_errno(truncate(p, arg2));
10009 unlock_user(p, arg1, 0);
10010 return ret;
10011#endif
10012#ifdef TARGET_NR_ftruncate
10013 case TARGET_NR_ftruncate:
10014 return get_errno(ftruncate(arg1, arg2));
10015#endif
10016 case TARGET_NR_fchmod:
10017 return get_errno(fchmod(arg1, arg2));
10018#if defined(TARGET_NR_fchmodat)
10019 case TARGET_NR_fchmodat:
10020 if (!(p = lock_user_string(arg2)))
10021 return -TARGET_EFAULT;
10022 ret = get_errno(fchmodat(arg1, p, arg3, 0));
10023 unlock_user(p, arg2, 0);
10024 return ret;
10025#endif
10026 case TARGET_NR_getpriority:
10027
10028
10029 errno = 0;
10030 ret = getpriority(arg1, arg2);
10031 if (ret == -1 && errno != 0) {
10032 return -host_to_target_errno(errno);
10033 }
10034#ifdef TARGET_ALPHA
10035
10036 ((CPUAlphaState *)cpu_env)->ir[IR_V0] = 0;
10037#else
10038
10039 ret = 20 - ret;
10040#endif
10041 return ret;
10042 case TARGET_NR_setpriority:
10043 return get_errno(setpriority(arg1, arg2, arg3));
10044#ifdef TARGET_NR_statfs
10045 case TARGET_NR_statfs:
10046 if (!(p = lock_user_string(arg1))) {
10047 return -TARGET_EFAULT;
10048 }
10049 ret = get_errno(statfs(path(p), &stfs));
10050 unlock_user(p, arg1, 0);
10051 convert_statfs:
10052 if (!is_error(ret)) {
10053 struct target_statfs *target_stfs;
10054
10055 if (!lock_user_struct(VERIFY_WRITE, target_stfs, arg2, 0))
10056 return -TARGET_EFAULT;
10057 __put_user(stfs.f_type, &target_stfs->f_type);
10058 __put_user(stfs.f_bsize, &target_stfs->f_bsize);
10059 __put_user(stfs.f_blocks, &target_stfs->f_blocks);
10060 __put_user(stfs.f_bfree, &target_stfs->f_bfree);
10061 __put_user(stfs.f_bavail, &target_stfs->f_bavail);
10062 __put_user(stfs.f_files, &target_stfs->f_files);
10063 __put_user(stfs.f_ffree, &target_stfs->f_ffree);
10064 __put_user(stfs.f_fsid.__val[0], &target_stfs->f_fsid.val[0]);
10065 __put_user(stfs.f_fsid.__val[1], &target_stfs->f_fsid.val[1]);
10066 __put_user(stfs.f_namelen, &target_stfs->f_namelen);
10067 __put_user(stfs.f_frsize, &target_stfs->f_frsize);
10068#ifdef _STATFS_F_FLAGS
10069 __put_user(stfs.f_flags, &target_stfs->f_flags);
10070#else
10071 __put_user(0, &target_stfs->f_flags);
10072#endif
10073 memset(target_stfs->f_spare, 0, sizeof(target_stfs->f_spare));
10074 unlock_user_struct(target_stfs, arg2, 1);
10075 }
10076 return ret;
10077#endif
10078#ifdef TARGET_NR_fstatfs
10079 case TARGET_NR_fstatfs:
10080 ret = get_errno(fstatfs(arg1, &stfs));
10081 goto convert_statfs;
10082#endif
10083#ifdef TARGET_NR_statfs64
10084 case TARGET_NR_statfs64:
10085 if (!(p = lock_user_string(arg1))) {
10086 return -TARGET_EFAULT;
10087 }
10088 ret = get_errno(statfs(path(p), &stfs));
10089 unlock_user(p, arg1, 0);
10090 convert_statfs64:
10091 if (!is_error(ret)) {
10092 struct target_statfs64 *target_stfs;
10093
10094 if (!lock_user_struct(VERIFY_WRITE, target_stfs, arg3, 0))
10095 return -TARGET_EFAULT;
10096 __put_user(stfs.f_type, &target_stfs->f_type);
10097 __put_user(stfs.f_bsize, &target_stfs->f_bsize);
10098 __put_user(stfs.f_blocks, &target_stfs->f_blocks);
10099 __put_user(stfs.f_bfree, &target_stfs->f_bfree);
10100 __put_user(stfs.f_bavail, &target_stfs->f_bavail);
10101 __put_user(stfs.f_files, &target_stfs->f_files);
10102 __put_user(stfs.f_ffree, &target_stfs->f_ffree);
10103 __put_user(stfs.f_fsid.__val[0], &target_stfs->f_fsid.val[0]);
10104 __put_user(stfs.f_fsid.__val[1], &target_stfs->f_fsid.val[1]);
10105 __put_user(stfs.f_namelen, &target_stfs->f_namelen);
10106 __put_user(stfs.f_frsize, &target_stfs->f_frsize);
10107#ifdef _STATFS_F_FLAGS
10108 __put_user(stfs.f_flags, &target_stfs->f_flags);
10109#else
10110 __put_user(0, &target_stfs->f_flags);
10111#endif
10112 memset(target_stfs->f_spare, 0, sizeof(target_stfs->f_spare));
10113 unlock_user_struct(target_stfs, arg3, 1);
10114 }
10115 return ret;
10116 case TARGET_NR_fstatfs64:
10117 ret = get_errno(fstatfs(arg1, &stfs));
10118 goto convert_statfs64;
10119#endif
10120#ifdef TARGET_NR_socketcall
10121 case TARGET_NR_socketcall:
10122 return do_socketcall(arg1, arg2);
10123#endif
10124#ifdef TARGET_NR_accept
10125 case TARGET_NR_accept:
10126 return do_accept4(arg1, arg2, arg3, 0);
10127#endif
10128#ifdef TARGET_NR_accept4
10129 case TARGET_NR_accept4:
10130 return do_accept4(arg1, arg2, arg3, arg4);
10131#endif
10132#ifdef TARGET_NR_bind
10133 case TARGET_NR_bind:
10134 return do_bind(arg1, arg2, arg3);
10135#endif
10136#ifdef TARGET_NR_connect
10137 case TARGET_NR_connect:
10138 return do_connect(arg1, arg2, arg3);
10139#endif
10140#ifdef TARGET_NR_getpeername
10141 case TARGET_NR_getpeername:
10142 return do_getpeername(arg1, arg2, arg3);
10143#endif
10144#ifdef TARGET_NR_getsockname
10145 case TARGET_NR_getsockname:
10146 return do_getsockname(arg1, arg2, arg3);
10147#endif
10148#ifdef TARGET_NR_getsockopt
10149 case TARGET_NR_getsockopt:
10150 return do_getsockopt(arg1, arg2, arg3, arg4, arg5);
10151#endif
10152#ifdef TARGET_NR_listen
10153 case TARGET_NR_listen:
10154 return get_errno(listen(arg1, arg2));
10155#endif
10156#ifdef TARGET_NR_recv
10157 case TARGET_NR_recv:
10158 return do_recvfrom(arg1, arg2, arg3, arg4, 0, 0);
10159#endif
10160#ifdef TARGET_NR_recvfrom
10161 case TARGET_NR_recvfrom:
10162 return do_recvfrom(arg1, arg2, arg3, arg4, arg5, arg6);
10163#endif
10164#ifdef TARGET_NR_recvmsg
10165 case TARGET_NR_recvmsg:
10166 return do_sendrecvmsg(arg1, arg2, arg3, 0);
10167#endif
10168#ifdef TARGET_NR_send
10169 case TARGET_NR_send:
10170 return do_sendto(arg1, arg2, arg3, arg4, 0, 0);
10171#endif
10172#ifdef TARGET_NR_sendmsg
10173 case TARGET_NR_sendmsg:
10174 return do_sendrecvmsg(arg1, arg2, arg3, 1);
10175#endif
10176#ifdef TARGET_NR_sendmmsg
10177 case TARGET_NR_sendmmsg:
10178 return do_sendrecvmmsg(arg1, arg2, arg3, arg4, 1);
10179#endif
10180#ifdef TARGET_NR_recvmmsg
10181 case TARGET_NR_recvmmsg:
10182 return do_sendrecvmmsg(arg1, arg2, arg3, arg4, 0);
10183#endif
10184#ifdef TARGET_NR_sendto
10185 case TARGET_NR_sendto:
10186 return do_sendto(arg1, arg2, arg3, arg4, arg5, arg6);
10187#endif
10188#ifdef TARGET_NR_shutdown
10189 case TARGET_NR_shutdown:
10190 return get_errno(shutdown(arg1, arg2));
10191#endif
10192#if defined(TARGET_NR_getrandom) && defined(__NR_getrandom)
10193 case TARGET_NR_getrandom:
10194 p = lock_user(VERIFY_WRITE, arg1, arg2, 0);
10195 if (!p) {
10196 return -TARGET_EFAULT;
10197 }
10198 ret = get_errno(getrandom(p, arg2, arg3));
10199 unlock_user(p, arg1, ret);
10200 return ret;
10201#endif
10202#ifdef TARGET_NR_socket
10203 case TARGET_NR_socket:
10204 return do_socket(arg1, arg2, arg3);
10205#endif
10206#ifdef TARGET_NR_socketpair
10207 case TARGET_NR_socketpair:
10208 return do_socketpair(arg1, arg2, arg3, arg4);
10209#endif
10210#ifdef TARGET_NR_setsockopt
10211 case TARGET_NR_setsockopt:
10212 return do_setsockopt(arg1, arg2, arg3, arg4, (socklen_t) arg5);
10213#endif
10214#if defined(TARGET_NR_syslog)
10215 case TARGET_NR_syslog:
10216 {
10217 int len = arg2;
10218
10219 switch (arg1) {
10220 case TARGET_SYSLOG_ACTION_CLOSE:
10221 case TARGET_SYSLOG_ACTION_OPEN:
10222 case TARGET_SYSLOG_ACTION_CLEAR:
10223 case TARGET_SYSLOG_ACTION_CONSOLE_OFF:
10224 case TARGET_SYSLOG_ACTION_CONSOLE_ON:
10225 case TARGET_SYSLOG_ACTION_CONSOLE_LEVEL:
10226 case TARGET_SYSLOG_ACTION_SIZE_UNREAD:
10227 case TARGET_SYSLOG_ACTION_SIZE_BUFFER:
10228 return get_errno(sys_syslog((int)arg1, NULL, (int)arg3));
10229 case TARGET_SYSLOG_ACTION_READ:
10230 case TARGET_SYSLOG_ACTION_READ_CLEAR:
10231 case TARGET_SYSLOG_ACTION_READ_ALL:
10232 {
10233 if (len < 0) {
10234 return -TARGET_EINVAL;
10235 }
10236 if (len == 0) {
10237 return 0;
10238 }
10239 p = lock_user(VERIFY_WRITE, arg2, arg3, 0);
10240 if (!p) {
10241 return -TARGET_EFAULT;
10242 }
10243 ret = get_errno(sys_syslog((int)arg1, p, (int)arg3));
10244 unlock_user(p, arg2, arg3);
10245 }
10246 return ret;
10247 default:
10248 return -TARGET_EINVAL;
10249 }
10250 }
10251 break;
10252#endif
10253 case TARGET_NR_setitimer:
10254 {
10255 struct itimerval value, ovalue, *pvalue;
10256
10257 if (arg2) {
10258 pvalue = &value;
10259 if (copy_from_user_timeval(&pvalue->it_interval, arg2)
10260 || copy_from_user_timeval(&pvalue->it_value,
10261 arg2 + sizeof(struct target_timeval)))
10262 return -TARGET_EFAULT;
10263 } else {
10264 pvalue = NULL;
10265 }
10266 ret = get_errno(setitimer(arg1, pvalue, &ovalue));
10267 if (!is_error(ret) && arg3) {
10268 if (copy_to_user_timeval(arg3,
10269 &ovalue.it_interval)
10270 || copy_to_user_timeval(arg3 + sizeof(struct target_timeval),
10271 &ovalue.it_value))
10272 return -TARGET_EFAULT;
10273 }
10274 }
10275 return ret;
10276 case TARGET_NR_getitimer:
10277 {
10278 struct itimerval value;
10279
10280 ret = get_errno(getitimer(arg1, &value));
10281 if (!is_error(ret) && arg2) {
10282 if (copy_to_user_timeval(arg2,
10283 &value.it_interval)
10284 || copy_to_user_timeval(arg2 + sizeof(struct target_timeval),
10285 &value.it_value))
10286 return -TARGET_EFAULT;
10287 }
10288 }
10289 return ret;
10290#ifdef TARGET_NR_stat
10291 case TARGET_NR_stat:
10292 if (!(p = lock_user_string(arg1))) {
10293 return -TARGET_EFAULT;
10294 }
10295 ret = get_errno(stat(path(p), &st));
10296 unlock_user(p, arg1, 0);
10297 goto do_stat;
10298#endif
10299#ifdef TARGET_NR_lstat
10300 case TARGET_NR_lstat:
10301 if (!(p = lock_user_string(arg1))) {
10302 return -TARGET_EFAULT;
10303 }
10304 ret = get_errno(lstat(path(p), &st));
10305 unlock_user(p, arg1, 0);
10306 goto do_stat;
10307#endif
10308#ifdef TARGET_NR_fstat
10309 case TARGET_NR_fstat:
10310 {
10311 ret = get_errno(fstat(arg1, &st));
10312#if defined(TARGET_NR_stat) || defined(TARGET_NR_lstat)
10313 do_stat:
10314#endif
10315 if (!is_error(ret)) {
10316 struct target_stat *target_st;
10317
10318 if (!lock_user_struct(VERIFY_WRITE, target_st, arg2, 0))
10319 return -TARGET_EFAULT;
10320 memset(target_st, 0, sizeof(*target_st));
10321 __put_user(st.st_dev, &target_st->st_dev);
10322 __put_user(st.st_ino, &target_st->st_ino);
10323 __put_user(st.st_mode, &target_st->st_mode);
10324 __put_user(st.st_uid, &target_st->st_uid);
10325 __put_user(st.st_gid, &target_st->st_gid);
10326 __put_user(st.st_nlink, &target_st->st_nlink);
10327 __put_user(st.st_rdev, &target_st->st_rdev);
10328 __put_user(st.st_size, &target_st->st_size);
10329 __put_user(st.st_blksize, &target_st->st_blksize);
10330 __put_user(st.st_blocks, &target_st->st_blocks);
10331 __put_user(st.st_atime, &target_st->target_st_atime);
10332 __put_user(st.st_mtime, &target_st->target_st_mtime);
10333 __put_user(st.st_ctime, &target_st->target_st_ctime);
10334#if defined(HAVE_STRUCT_STAT_ST_ATIM) && defined(TARGET_STAT_HAVE_NSEC)
10335 __put_user(st.st_atim.tv_nsec,
10336 &target_st->target_st_atime_nsec);
10337 __put_user(st.st_mtim.tv_nsec,
10338 &target_st->target_st_mtime_nsec);
10339 __put_user(st.st_ctim.tv_nsec,
10340 &target_st->target_st_ctime_nsec);
10341#endif
10342 unlock_user_struct(target_st, arg2, 1);
10343 }
10344 }
10345 return ret;
10346#endif
10347 case TARGET_NR_vhangup:
10348 return get_errno(vhangup());
10349#ifdef TARGET_NR_syscall
10350 case TARGET_NR_syscall:
10351 return do_syscall(cpu_env, arg1 & 0xffff, arg2, arg3, arg4, arg5,
10352 arg6, arg7, arg8, 0);
10353#endif
10354#if defined(TARGET_NR_wait4)
10355 case TARGET_NR_wait4:
10356 {
10357 int status;
10358 abi_long status_ptr = arg2;
10359 struct rusage rusage, *rusage_ptr;
10360 abi_ulong target_rusage = arg4;
10361 abi_long rusage_err;
10362 if (target_rusage)
10363 rusage_ptr = &rusage;
10364 else
10365 rusage_ptr = NULL;
10366 ret = get_errno(safe_wait4(arg1, &status, arg3, rusage_ptr));
10367 if (!is_error(ret)) {
10368 if (status_ptr && ret) {
10369 status = host_to_target_waitstatus(status);
10370 if (put_user_s32(status, status_ptr))
10371 return -TARGET_EFAULT;
10372 }
10373 if (target_rusage) {
10374 rusage_err = host_to_target_rusage(target_rusage, &rusage);
10375 if (rusage_err) {
10376 ret = rusage_err;
10377 }
10378 }
10379 }
10380 }
10381 return ret;
10382#endif
10383#ifdef TARGET_NR_swapoff
10384 case TARGET_NR_swapoff:
10385 if (!(p = lock_user_string(arg1)))
10386 return -TARGET_EFAULT;
10387 ret = get_errno(swapoff(p));
10388 unlock_user(p, arg1, 0);
10389 return ret;
10390#endif
10391 case TARGET_NR_sysinfo:
10392 {
10393 struct target_sysinfo *target_value;
10394 struct sysinfo value;
10395 ret = get_errno(sysinfo(&value));
10396 if (!is_error(ret) && arg1)
10397 {
10398 if (!lock_user_struct(VERIFY_WRITE, target_value, arg1, 0))
10399 return -TARGET_EFAULT;
10400 __put_user(value.uptime, &target_value->uptime);
10401 __put_user(value.loads[0], &target_value->loads[0]);
10402 __put_user(value.loads[1], &target_value->loads[1]);
10403 __put_user(value.loads[2], &target_value->loads[2]);
10404 __put_user(value.totalram, &target_value->totalram);
10405 __put_user(value.freeram, &target_value->freeram);
10406 __put_user(value.sharedram, &target_value->sharedram);
10407 __put_user(value.bufferram, &target_value->bufferram);
10408 __put_user(value.totalswap, &target_value->totalswap);
10409 __put_user(value.freeswap, &target_value->freeswap);
10410 __put_user(value.procs, &target_value->procs);
10411 __put_user(value.totalhigh, &target_value->totalhigh);
10412 __put_user(value.freehigh, &target_value->freehigh);
10413 __put_user(value.mem_unit, &target_value->mem_unit);
10414 unlock_user_struct(target_value, arg1, 1);
10415 }
10416 }
10417 return ret;
10418#ifdef TARGET_NR_ipc
10419 case TARGET_NR_ipc:
10420 return do_ipc(cpu_env, arg1, arg2, arg3, arg4, arg5, arg6);
10421#endif
10422#ifdef TARGET_NR_semget
10423 case TARGET_NR_semget:
10424 return get_errno(semget(arg1, arg2, arg3));
10425#endif
10426#ifdef TARGET_NR_semop
10427 case TARGET_NR_semop:
10428 return do_semtimedop(arg1, arg2, arg3, 0, false);
10429#endif
10430#ifdef TARGET_NR_semtimedop
10431 case TARGET_NR_semtimedop:
10432 return do_semtimedop(arg1, arg2, arg3, arg4, false);
10433#endif
10434#ifdef TARGET_NR_semtimedop_time64
10435 case TARGET_NR_semtimedop_time64:
10436 return do_semtimedop(arg1, arg2, arg3, arg4, true);
10437#endif
10438#ifdef TARGET_NR_semctl
10439 case TARGET_NR_semctl:
10440 return do_semctl(arg1, arg2, arg3, arg4);
10441#endif
10442#ifdef TARGET_NR_msgctl
10443 case TARGET_NR_msgctl:
10444 return do_msgctl(arg1, arg2, arg3);
10445#endif
10446#ifdef TARGET_NR_msgget
10447 case TARGET_NR_msgget:
10448 return get_errno(msgget(arg1, arg2));
10449#endif
10450#ifdef TARGET_NR_msgrcv
10451 case TARGET_NR_msgrcv:
10452 return do_msgrcv(arg1, arg2, arg3, arg4, arg5);
10453#endif
10454#ifdef TARGET_NR_msgsnd
10455 case TARGET_NR_msgsnd:
10456 return do_msgsnd(arg1, arg2, arg3, arg4);
10457#endif
10458#ifdef TARGET_NR_shmget
10459 case TARGET_NR_shmget:
10460 return get_errno(shmget(arg1, arg2, arg3));
10461#endif
10462#ifdef TARGET_NR_shmctl
10463 case TARGET_NR_shmctl:
10464 return do_shmctl(arg1, arg2, arg3);
10465#endif
10466#ifdef TARGET_NR_shmat
10467 case TARGET_NR_shmat:
10468 return do_shmat(cpu_env, arg1, arg2, arg3);
10469#endif
10470#ifdef TARGET_NR_shmdt
10471 case TARGET_NR_shmdt:
10472 return do_shmdt(arg1);
10473#endif
10474 case TARGET_NR_fsync:
10475 return get_errno(fsync(arg1));
10476 case TARGET_NR_clone:
10477
10478
10479
10480
10481
10482
10483#if defined(TARGET_MICROBLAZE)
10484 ret = get_errno(do_fork(cpu_env, arg1, arg2, arg4, arg6, arg5));
10485#elif defined(TARGET_CLONE_BACKWARDS)
10486 ret = get_errno(do_fork(cpu_env, arg1, arg2, arg3, arg4, arg5));
10487#elif defined(TARGET_CLONE_BACKWARDS2)
10488 ret = get_errno(do_fork(cpu_env, arg2, arg1, arg3, arg5, arg4));
10489#else
10490 ret = get_errno(do_fork(cpu_env, arg1, arg2, arg3, arg5, arg4));
10491#endif
10492 return ret;
10493#ifdef __NR_exit_group
10494
10495 case TARGET_NR_exit_group:
10496 preexit_cleanup(cpu_env, arg1);
10497 return get_errno(exit_group(arg1));
10498#endif
10499 case TARGET_NR_setdomainname:
10500 if (!(p = lock_user_string(arg1)))
10501 return -TARGET_EFAULT;
10502 ret = get_errno(setdomainname(p, arg2));
10503 unlock_user(p, arg1, 0);
10504 return ret;
10505 case TARGET_NR_uname:
10506
10507 {
10508 struct new_utsname * buf;
10509
10510 if (!lock_user_struct(VERIFY_WRITE, buf, arg1, 0))
10511 return -TARGET_EFAULT;
10512 ret = get_errno(sys_uname(buf));
10513 if (!is_error(ret)) {
10514
10515
10516 g_strlcpy(buf->machine, cpu_to_uname_machine(cpu_env),
10517 sizeof(buf->machine));
10518
10519 if (qemu_uname_release && *qemu_uname_release) {
10520 g_strlcpy(buf->release, qemu_uname_release,
10521 sizeof(buf->release));
10522 }
10523 }
10524 unlock_user_struct(buf, arg1, 1);
10525 }
10526 return ret;
10527#ifdef TARGET_I386
10528 case TARGET_NR_modify_ldt:
10529 return do_modify_ldt(cpu_env, arg1, arg2, arg3);
10530#if !defined(TARGET_X86_64)
10531 case TARGET_NR_vm86:
10532 return do_vm86(cpu_env, arg1, arg2);
10533#endif
10534#endif
10535#if defined(TARGET_NR_adjtimex)
10536 case TARGET_NR_adjtimex:
10537 {
10538 struct timex host_buf;
10539
10540 if (target_to_host_timex(&host_buf, arg1) != 0) {
10541 return -TARGET_EFAULT;
10542 }
10543 ret = get_errno(adjtimex(&host_buf));
10544 if (!is_error(ret)) {
10545 if (host_to_target_timex(arg1, &host_buf) != 0) {
10546 return -TARGET_EFAULT;
10547 }
10548 }
10549 }
10550 return ret;
10551#endif
10552#if defined(TARGET_NR_clock_adjtime) && defined(CONFIG_CLOCK_ADJTIME)
10553 case TARGET_NR_clock_adjtime:
10554 {
10555 struct timex htx, *phtx = &htx;
10556
10557 if (target_to_host_timex(phtx, arg2) != 0) {
10558 return -TARGET_EFAULT;
10559 }
10560 ret = get_errno(clock_adjtime(arg1, phtx));
10561 if (!is_error(ret) && phtx) {
10562 if (host_to_target_timex(arg2, phtx) != 0) {
10563 return -TARGET_EFAULT;
10564 }
10565 }
10566 }
10567 return ret;
10568#endif
10569#if defined(TARGET_NR_clock_adjtime64) && defined(CONFIG_CLOCK_ADJTIME)
10570 case TARGET_NR_clock_adjtime64:
10571 {
10572 struct timex htx;
10573
10574 if (target_to_host_timex64(&htx, arg2) != 0) {
10575 return -TARGET_EFAULT;
10576 }
10577 ret = get_errno(clock_adjtime(arg1, &htx));
10578 if (!is_error(ret) && host_to_target_timex64(arg2, &htx)) {
10579 return -TARGET_EFAULT;
10580 }
10581 }
10582 return ret;
10583#endif
10584 case TARGET_NR_getpgid:
10585 return get_errno(getpgid(arg1));
10586 case TARGET_NR_fchdir:
10587 return get_errno(fchdir(arg1));
10588 case TARGET_NR_personality:
10589 return get_errno(personality(arg1));
10590#ifdef TARGET_NR__llseek
10591 case TARGET_NR__llseek:
10592 {
10593 int64_t res;
10594#if !defined(__NR_llseek)
10595 res = lseek(arg1, ((uint64_t)arg2 << 32) | (abi_ulong)arg3, arg5);
10596 if (res == -1) {
10597 ret = get_errno(res);
10598 } else {
10599 ret = 0;
10600 }
10601#else
10602 ret = get_errno(_llseek(arg1, arg2, arg3, &res, arg5));
10603#endif
10604 if ((ret == 0) && put_user_s64(res, arg4)) {
10605 return -TARGET_EFAULT;
10606 }
10607 }
10608 return ret;
10609#endif
10610#ifdef TARGET_NR_getdents
10611 case TARGET_NR_getdents:
10612 return do_getdents(arg1, arg2, arg3);
10613#endif
10614#if defined(TARGET_NR_getdents64) && defined(__NR_getdents64)
10615 case TARGET_NR_getdents64:
10616 return do_getdents64(arg1, arg2, arg3);
10617#endif
10618#if defined(TARGET_NR__newselect)
10619 case TARGET_NR__newselect:
10620 return do_select(arg1, arg2, arg3, arg4, arg5);
10621#endif
10622#ifdef TARGET_NR_poll
10623 case TARGET_NR_poll:
10624 return do_ppoll(arg1, arg2, arg3, arg4, arg5, false, false);
10625#endif
10626#ifdef TARGET_NR_ppoll
10627 case TARGET_NR_ppoll:
10628 return do_ppoll(arg1, arg2, arg3, arg4, arg5, true, false);
10629#endif
10630#ifdef TARGET_NR_ppoll_time64
10631 case TARGET_NR_ppoll_time64:
10632 return do_ppoll(arg1, arg2, arg3, arg4, arg5, true, true);
10633#endif
10634 case TARGET_NR_flock:
10635
10636
10637 return get_errno(safe_flock(arg1, arg2));
10638 case TARGET_NR_readv:
10639 {
10640 struct iovec *vec = lock_iovec(VERIFY_WRITE, arg2, arg3, 0);
10641 if (vec != NULL) {
10642 ret = get_errno(safe_readv(arg1, vec, arg3));
10643 unlock_iovec(vec, arg2, arg3, 1);
10644 } else {
10645 ret = -host_to_target_errno(errno);
10646 }
10647 }
10648 return ret;
10649 case TARGET_NR_writev:
10650 {
10651 struct iovec *vec = lock_iovec(VERIFY_READ, arg2, arg3, 1);
10652 if (vec != NULL) {
10653 ret = get_errno(safe_writev(arg1, vec, arg3));
10654 unlock_iovec(vec, arg2, arg3, 0);
10655 } else {
10656 ret = -host_to_target_errno(errno);
10657 }
10658 }
10659 return ret;
10660#if defined(TARGET_NR_preadv)
10661 case TARGET_NR_preadv:
10662 {
10663 struct iovec *vec = lock_iovec(VERIFY_WRITE, arg2, arg3, 0);
10664 if (vec != NULL) {
10665 unsigned long low, high;
10666
10667 target_to_host_low_high(arg4, arg5, &low, &high);
10668 ret = get_errno(safe_preadv(arg1, vec, arg3, low, high));
10669 unlock_iovec(vec, arg2, arg3, 1);
10670 } else {
10671 ret = -host_to_target_errno(errno);
10672 }
10673 }
10674 return ret;
10675#endif
10676#if defined(TARGET_NR_pwritev)
10677 case TARGET_NR_pwritev:
10678 {
10679 struct iovec *vec = lock_iovec(VERIFY_READ, arg2, arg3, 1);
10680 if (vec != NULL) {
10681 unsigned long low, high;
10682
10683 target_to_host_low_high(arg4, arg5, &low, &high);
10684 ret = get_errno(safe_pwritev(arg1, vec, arg3, low, high));
10685 unlock_iovec(vec, arg2, arg3, 0);
10686 } else {
10687 ret = -host_to_target_errno(errno);
10688 }
10689 }
10690 return ret;
10691#endif
10692 case TARGET_NR_getsid:
10693 return get_errno(getsid(arg1));
10694#if defined(TARGET_NR_fdatasync)
10695 case TARGET_NR_fdatasync:
10696 return get_errno(fdatasync(arg1));
10697#endif
10698 case TARGET_NR_sched_getaffinity:
10699 {
10700 unsigned int mask_size;
10701 unsigned long *mask;
10702
10703
10704
10705
10706
10707 if (arg2 & (sizeof(abi_ulong) - 1)) {
10708 return -TARGET_EINVAL;
10709 }
10710 mask_size = (arg2 + (sizeof(*mask) - 1)) & ~(sizeof(*mask) - 1);
10711
10712 mask = alloca(mask_size);
10713 memset(mask, 0, mask_size);
10714 ret = get_errno(sys_sched_getaffinity(arg1, mask_size, mask));
10715
10716 if (!is_error(ret)) {
10717 if (ret > arg2) {
10718
10719
10720
10721
10722
10723
10724
10725 int numcpus = sysconf(_SC_NPROCESSORS_CONF);
10726 if (numcpus > arg2 * 8) {
10727 return -TARGET_EINVAL;
10728 }
10729 ret = arg2;
10730 }
10731
10732 if (host_to_target_cpu_mask(mask, mask_size, arg3, ret)) {
10733 return -TARGET_EFAULT;
10734 }
10735 }
10736 }
10737 return ret;
10738 case TARGET_NR_sched_setaffinity:
10739 {
10740 unsigned int mask_size;
10741 unsigned long *mask;
10742
10743
10744
10745
10746
10747 if (arg2 & (sizeof(abi_ulong) - 1)) {
10748 return -TARGET_EINVAL;
10749 }
10750 mask_size = (arg2 + (sizeof(*mask) - 1)) & ~(sizeof(*mask) - 1);
10751 mask = alloca(mask_size);
10752
10753 ret = target_to_host_cpu_mask(mask, mask_size, arg3, arg2);
10754 if (ret) {
10755 return ret;
10756 }
10757
10758 return get_errno(sys_sched_setaffinity(arg1, mask_size, mask));
10759 }
10760 case TARGET_NR_getcpu:
10761 {
10762 unsigned cpu, node;
10763 ret = get_errno(sys_getcpu(arg1 ? &cpu : NULL,
10764 arg2 ? &node : NULL,
10765 NULL));
10766 if (is_error(ret)) {
10767 return ret;
10768 }
10769 if (arg1 && put_user_u32(cpu, arg1)) {
10770 return -TARGET_EFAULT;
10771 }
10772 if (arg2 && put_user_u32(node, arg2)) {
10773 return -TARGET_EFAULT;
10774 }
10775 }
10776 return ret;
10777 case TARGET_NR_sched_setparam:
10778 {
10779 struct target_sched_param *target_schp;
10780 struct sched_param schp;
10781
10782 if (arg2 == 0) {
10783 return -TARGET_EINVAL;
10784 }
10785 if (!lock_user_struct(VERIFY_READ, target_schp, arg2, 1)) {
10786 return -TARGET_EFAULT;
10787 }
10788 schp.sched_priority = tswap32(target_schp->sched_priority);
10789 unlock_user_struct(target_schp, arg2, 0);
10790 return get_errno(sys_sched_setparam(arg1, &schp));
10791 }
10792 case TARGET_NR_sched_getparam:
10793 {
10794 struct target_sched_param *target_schp;
10795 struct sched_param schp;
10796
10797 if (arg2 == 0) {
10798 return -TARGET_EINVAL;
10799 }
10800 ret = get_errno(sys_sched_getparam(arg1, &schp));
10801 if (!is_error(ret)) {
10802 if (!lock_user_struct(VERIFY_WRITE, target_schp, arg2, 0)) {
10803 return -TARGET_EFAULT;
10804 }
10805 target_schp->sched_priority = tswap32(schp.sched_priority);
10806 unlock_user_struct(target_schp, arg2, 1);
10807 }
10808 }
10809 return ret;
10810 case TARGET_NR_sched_setscheduler:
10811 {
10812 struct target_sched_param *target_schp;
10813 struct sched_param schp;
10814 if (arg3 == 0) {
10815 return -TARGET_EINVAL;
10816 }
10817 if (!lock_user_struct(VERIFY_READ, target_schp, arg3, 1)) {
10818 return -TARGET_EFAULT;
10819 }
10820 schp.sched_priority = tswap32(target_schp->sched_priority);
10821 unlock_user_struct(target_schp, arg3, 0);
10822 return get_errno(sys_sched_setscheduler(arg1, arg2, &schp));
10823 }
10824 case TARGET_NR_sched_getscheduler:
10825 return get_errno(sys_sched_getscheduler(arg1));
10826 case TARGET_NR_sched_getattr:
10827 {
10828 struct target_sched_attr *target_scha;
10829 struct sched_attr scha;
10830 if (arg2 == 0) {
10831 return -TARGET_EINVAL;
10832 }
10833 if (arg3 > sizeof(scha)) {
10834 arg3 = sizeof(scha);
10835 }
10836 ret = get_errno(sys_sched_getattr(arg1, &scha, arg3, arg4));
10837 if (!is_error(ret)) {
10838 target_scha = lock_user(VERIFY_WRITE, arg2, arg3, 0);
10839 if (!target_scha) {
10840 return -TARGET_EFAULT;
10841 }
10842 target_scha->size = tswap32(scha.size);
10843 target_scha->sched_policy = tswap32(scha.sched_policy);
10844 target_scha->sched_flags = tswap64(scha.sched_flags);
10845 target_scha->sched_nice = tswap32(scha.sched_nice);
10846 target_scha->sched_priority = tswap32(scha.sched_priority);
10847 target_scha->sched_runtime = tswap64(scha.sched_runtime);
10848 target_scha->sched_deadline = tswap64(scha.sched_deadline);
10849 target_scha->sched_period = tswap64(scha.sched_period);
10850 if (scha.size > offsetof(struct sched_attr, sched_util_min)) {
10851 target_scha->sched_util_min = tswap32(scha.sched_util_min);
10852 target_scha->sched_util_max = tswap32(scha.sched_util_max);
10853 }
10854 unlock_user(target_scha, arg2, arg3);
10855 }
10856 return ret;
10857 }
10858 case TARGET_NR_sched_setattr:
10859 {
10860 struct target_sched_attr *target_scha;
10861 struct sched_attr scha;
10862 uint32_t size;
10863 int zeroed;
10864 if (arg2 == 0) {
10865 return -TARGET_EINVAL;
10866 }
10867 if (get_user_u32(size, arg2)) {
10868 return -TARGET_EFAULT;
10869 }
10870 if (!size) {
10871 size = offsetof(struct target_sched_attr, sched_util_min);
10872 }
10873 if (size < offsetof(struct target_sched_attr, sched_util_min)) {
10874 if (put_user_u32(sizeof(struct target_sched_attr), arg2)) {
10875 return -TARGET_EFAULT;
10876 }
10877 return -TARGET_E2BIG;
10878 }
10879
10880 zeroed = check_zeroed_user(arg2, sizeof(struct target_sched_attr), size);
10881 if (zeroed < 0) {
10882 return zeroed;
10883 } else if (zeroed == 0) {
10884 if (put_user_u32(sizeof(struct target_sched_attr), arg2)) {
10885 return -TARGET_EFAULT;
10886 }
10887 return -TARGET_E2BIG;
10888 }
10889 if (size > sizeof(struct target_sched_attr)) {
10890 size = sizeof(struct target_sched_attr);
10891 }
10892
10893 target_scha = lock_user(VERIFY_READ, arg2, size, 1);
10894 if (!target_scha) {
10895 return -TARGET_EFAULT;
10896 }
10897 scha.size = size;
10898 scha.sched_policy = tswap32(target_scha->sched_policy);
10899 scha.sched_flags = tswap64(target_scha->sched_flags);
10900 scha.sched_nice = tswap32(target_scha->sched_nice);
10901 scha.sched_priority = tswap32(target_scha->sched_priority);
10902 scha.sched_runtime = tswap64(target_scha->sched_runtime);
10903 scha.sched_deadline = tswap64(target_scha->sched_deadline);
10904 scha.sched_period = tswap64(target_scha->sched_period);
10905 if (size > offsetof(struct target_sched_attr, sched_util_min)) {
10906 scha.sched_util_min = tswap32(target_scha->sched_util_min);
10907 scha.sched_util_max = tswap32(target_scha->sched_util_max);
10908 }
10909 unlock_user(target_scha, arg2, 0);
10910 return get_errno(sys_sched_setattr(arg1, &scha, arg3));
10911 }
10912 case TARGET_NR_sched_yield:
10913 return get_errno(sched_yield());
10914 case TARGET_NR_sched_get_priority_max:
10915 return get_errno(sched_get_priority_max(arg1));
10916 case TARGET_NR_sched_get_priority_min:
10917 return get_errno(sched_get_priority_min(arg1));
10918#ifdef TARGET_NR_sched_rr_get_interval
10919 case TARGET_NR_sched_rr_get_interval:
10920 {
10921 struct timespec ts;
10922 ret = get_errno(sched_rr_get_interval(arg1, &ts));
10923 if (!is_error(ret)) {
10924 ret = host_to_target_timespec(arg2, &ts);
10925 }
10926 }
10927 return ret;
10928#endif
10929#ifdef TARGET_NR_sched_rr_get_interval_time64
10930 case TARGET_NR_sched_rr_get_interval_time64:
10931 {
10932 struct timespec ts;
10933 ret = get_errno(sched_rr_get_interval(arg1, &ts));
10934 if (!is_error(ret)) {
10935 ret = host_to_target_timespec64(arg2, &ts);
10936 }
10937 }
10938 return ret;
10939#endif
10940#if defined(TARGET_NR_nanosleep)
10941 case TARGET_NR_nanosleep:
10942 {
10943 struct timespec req, rem;
10944 target_to_host_timespec(&req, arg1);
10945 ret = get_errno(safe_nanosleep(&req, &rem));
10946 if (is_error(ret) && arg2) {
10947 host_to_target_timespec(arg2, &rem);
10948 }
10949 }
10950 return ret;
10951#endif
10952 case TARGET_NR_prctl:
10953 return do_prctl(cpu_env, arg1, arg2, arg3, arg4, arg5);
10954 break;
10955#ifdef TARGET_NR_arch_prctl
10956 case TARGET_NR_arch_prctl:
10957 return do_arch_prctl(cpu_env, arg1, arg2);
10958#endif
10959#ifdef TARGET_NR_pread64
10960 case TARGET_NR_pread64:
10961 if (regpairs_aligned(cpu_env, num)) {
10962 arg4 = arg5;
10963 arg5 = arg6;
10964 }
10965 if (arg2 == 0 && arg3 == 0) {
10966
10967 p = 0;
10968 } else {
10969 p = lock_user(VERIFY_WRITE, arg2, arg3, 0);
10970 if (!p) {
10971 return -TARGET_EFAULT;
10972 }
10973 }
10974 ret = get_errno(pread64(arg1, p, arg3, target_offset64(arg4, arg5)));
10975 unlock_user(p, arg2, ret);
10976 return ret;
10977 case TARGET_NR_pwrite64:
10978 if (regpairs_aligned(cpu_env, num)) {
10979 arg4 = arg5;
10980 arg5 = arg6;
10981 }
10982 if (arg2 == 0 && arg3 == 0) {
10983
10984 p = 0;
10985 } else {
10986 p = lock_user(VERIFY_READ, arg2, arg3, 1);
10987 if (!p) {
10988 return -TARGET_EFAULT;
10989 }
10990 }
10991 ret = get_errno(pwrite64(arg1, p, arg3, target_offset64(arg4, arg5)));
10992 unlock_user(p, arg2, 0);
10993 return ret;
10994#endif
10995 case TARGET_NR_getcwd:
10996 if (!(p = lock_user(VERIFY_WRITE, arg1, arg2, 0)))
10997 return -TARGET_EFAULT;
10998 ret = get_errno(sys_getcwd1(p, arg2));
10999 unlock_user(p, arg1, ret);
11000 return ret;
11001 case TARGET_NR_capget:
11002 case TARGET_NR_capset:
11003 {
11004 struct target_user_cap_header *target_header;
11005 struct target_user_cap_data *target_data = NULL;
11006 struct __user_cap_header_struct header;
11007 struct __user_cap_data_struct data[2];
11008 struct __user_cap_data_struct *dataptr = NULL;
11009 int i, target_datalen;
11010 int data_items = 1;
11011
11012 if (!lock_user_struct(VERIFY_WRITE, target_header, arg1, 1)) {
11013 return -TARGET_EFAULT;
11014 }
11015 header.version = tswap32(target_header->version);
11016 header.pid = tswap32(target_header->pid);
11017
11018 if (header.version != _LINUX_CAPABILITY_VERSION) {
11019
11020 data_items = 2;
11021 }
11022
11023 target_datalen = sizeof(*target_data) * data_items;
11024
11025 if (arg2) {
11026 if (num == TARGET_NR_capget) {
11027 target_data = lock_user(VERIFY_WRITE, arg2, target_datalen, 0);
11028 } else {
11029 target_data = lock_user(VERIFY_READ, arg2, target_datalen, 1);
11030 }
11031 if (!target_data) {
11032 unlock_user_struct(target_header, arg1, 0);
11033 return -TARGET_EFAULT;
11034 }
11035
11036 if (num == TARGET_NR_capset) {
11037 for (i = 0; i < data_items; i++) {
11038 data[i].effective = tswap32(target_data[i].effective);
11039 data[i].permitted = tswap32(target_data[i].permitted);
11040 data[i].inheritable = tswap32(target_data[i].inheritable);
11041 }
11042 }
11043
11044 dataptr = data;
11045 }
11046
11047 if (num == TARGET_NR_capget) {
11048 ret = get_errno(capget(&header, dataptr));
11049 } else {
11050 ret = get_errno(capset(&header, dataptr));
11051 }
11052
11053
11054 target_header->version = tswap32(header.version);
11055 unlock_user_struct(target_header, arg1, 1);
11056
11057 if (arg2) {
11058 if (num == TARGET_NR_capget) {
11059 for (i = 0; i < data_items; i++) {
11060 target_data[i].effective = tswap32(data[i].effective);
11061 target_data[i].permitted = tswap32(data[i].permitted);
11062 target_data[i].inheritable = tswap32(data[i].inheritable);
11063 }
11064 unlock_user(target_data, arg2, target_datalen);
11065 } else {
11066 unlock_user(target_data, arg2, 0);
11067 }
11068 }
11069 return ret;
11070 }
11071 case TARGET_NR_sigaltstack:
11072 return do_sigaltstack(arg1, arg2, cpu_env);
11073
11074#ifdef CONFIG_SENDFILE
11075#ifdef TARGET_NR_sendfile
11076 case TARGET_NR_sendfile:
11077 {
11078 off_t *offp = NULL;
11079 off_t off;
11080 if (arg3) {
11081 ret = get_user_sal(off, arg3);
11082 if (is_error(ret)) {
11083 return ret;
11084 }
11085 offp = &off;
11086 }
11087 ret = get_errno(sendfile(arg1, arg2, offp, arg4));
11088 if (!is_error(ret) && arg3) {
11089 abi_long ret2 = put_user_sal(off, arg3);
11090 if (is_error(ret2)) {
11091 ret = ret2;
11092 }
11093 }
11094 return ret;
11095 }
11096#endif
11097#ifdef TARGET_NR_sendfile64
11098 case TARGET_NR_sendfile64:
11099 {
11100 off_t *offp = NULL;
11101 off_t off;
11102 if (arg3) {
11103 ret = get_user_s64(off, arg3);
11104 if (is_error(ret)) {
11105 return ret;
11106 }
11107 offp = &off;
11108 }
11109 ret = get_errno(sendfile(arg1, arg2, offp, arg4));
11110 if (!is_error(ret) && arg3) {
11111 abi_long ret2 = put_user_s64(off, arg3);
11112 if (is_error(ret2)) {
11113 ret = ret2;
11114 }
11115 }
11116 return ret;
11117 }
11118#endif
11119#endif
11120#ifdef TARGET_NR_vfork
11121 case TARGET_NR_vfork:
11122 return get_errno(do_fork(cpu_env,
11123 CLONE_VFORK | CLONE_VM | TARGET_SIGCHLD,
11124 0, 0, 0, 0));
11125#endif
11126#ifdef TARGET_NR_ugetrlimit
11127 case TARGET_NR_ugetrlimit:
11128 {
11129 struct rlimit rlim;
11130 int resource = target_to_host_resource(arg1);
11131 ret = get_errno(getrlimit(resource, &rlim));
11132 if (!is_error(ret)) {
11133 struct target_rlimit *target_rlim;
11134 if (!lock_user_struct(VERIFY_WRITE, target_rlim, arg2, 0))
11135 return -TARGET_EFAULT;
11136 target_rlim->rlim_cur = host_to_target_rlim(rlim.rlim_cur);
11137 target_rlim->rlim_max = host_to_target_rlim(rlim.rlim_max);
11138 unlock_user_struct(target_rlim, arg2, 1);
11139 }
11140 return ret;
11141 }
11142#endif
11143#ifdef TARGET_NR_truncate64
11144 case TARGET_NR_truncate64:
11145 if (!(p = lock_user_string(arg1)))
11146 return -TARGET_EFAULT;
11147 ret = target_truncate64(cpu_env, p, arg2, arg3, arg4);
11148 unlock_user(p, arg1, 0);
11149 return ret;
11150#endif
11151#ifdef TARGET_NR_ftruncate64
11152 case TARGET_NR_ftruncate64:
11153 return target_ftruncate64(cpu_env, arg1, arg2, arg3, arg4);
11154#endif
11155#ifdef TARGET_NR_stat64
11156 case TARGET_NR_stat64:
11157 if (!(p = lock_user_string(arg1))) {
11158 return -TARGET_EFAULT;
11159 }
11160 ret = get_errno(stat(path(p), &st));
11161 unlock_user(p, arg1, 0);
11162 if (!is_error(ret))
11163 ret = host_to_target_stat64(cpu_env, arg2, &st);
11164 return ret;
11165#endif
11166#ifdef TARGET_NR_lstat64
11167 case TARGET_NR_lstat64:
11168 if (!(p = lock_user_string(arg1))) {
11169 return -TARGET_EFAULT;
11170 }
11171 ret = get_errno(lstat(path(p), &st));
11172 unlock_user(p, arg1, 0);
11173 if (!is_error(ret))
11174 ret = host_to_target_stat64(cpu_env, arg2, &st);
11175 return ret;
11176#endif
11177#ifdef TARGET_NR_fstat64
11178 case TARGET_NR_fstat64:
11179 ret = get_errno(fstat(arg1, &st));
11180 if (!is_error(ret))
11181 ret = host_to_target_stat64(cpu_env, arg2, &st);
11182 return ret;
11183#endif
11184#if (defined(TARGET_NR_fstatat64) || defined(TARGET_NR_newfstatat))
11185#ifdef TARGET_NR_fstatat64
11186 case TARGET_NR_fstatat64:
11187#endif
11188#ifdef TARGET_NR_newfstatat
11189 case TARGET_NR_newfstatat:
11190#endif
11191 if (!(p = lock_user_string(arg2))) {
11192 return -TARGET_EFAULT;
11193 }
11194 ret = get_errno(fstatat(arg1, path(p), &st, arg4));
11195 unlock_user(p, arg2, 0);
11196 if (!is_error(ret))
11197 ret = host_to_target_stat64(cpu_env, arg3, &st);
11198 return ret;
11199#endif
11200#if defined(TARGET_NR_statx)
11201 case TARGET_NR_statx:
11202 {
11203 struct target_statx *target_stx;
11204 int dirfd = arg1;
11205 int flags = arg3;
11206
11207 p = lock_user_string(arg2);
11208 if (p == NULL) {
11209 return -TARGET_EFAULT;
11210 }
11211#if defined(__NR_statx)
11212 {
11213
11214
11215
11216 struct target_statx host_stx;
11217 int mask = arg4;
11218
11219 ret = get_errno(sys_statx(dirfd, p, flags, mask, &host_stx));
11220 if (!is_error(ret)) {
11221 if (host_to_target_statx(&host_stx, arg5) != 0) {
11222 unlock_user(p, arg2, 0);
11223 return -TARGET_EFAULT;
11224 }
11225 }
11226
11227 if (ret != -TARGET_ENOSYS) {
11228 unlock_user(p, arg2, 0);
11229 return ret;
11230 }
11231 }
11232#endif
11233 ret = get_errno(fstatat(dirfd, path(p), &st, flags));
11234 unlock_user(p, arg2, 0);
11235
11236 if (!is_error(ret)) {
11237 if (!lock_user_struct(VERIFY_WRITE, target_stx, arg5, 0)) {
11238 return -TARGET_EFAULT;
11239 }
11240 memset(target_stx, 0, sizeof(*target_stx));
11241 __put_user(major(st.st_dev), &target_stx->stx_dev_major);
11242 __put_user(minor(st.st_dev), &target_stx->stx_dev_minor);
11243 __put_user(st.st_ino, &target_stx->stx_ino);
11244 __put_user(st.st_mode, &target_stx->stx_mode);
11245 __put_user(st.st_uid, &target_stx->stx_uid);
11246 __put_user(st.st_gid, &target_stx->stx_gid);
11247 __put_user(st.st_nlink, &target_stx->stx_nlink);
11248 __put_user(major(st.st_rdev), &target_stx->stx_rdev_major);
11249 __put_user(minor(st.st_rdev), &target_stx->stx_rdev_minor);
11250 __put_user(st.st_size, &target_stx->stx_size);
11251 __put_user(st.st_blksize, &target_stx->stx_blksize);
11252 __put_user(st.st_blocks, &target_stx->stx_blocks);
11253 __put_user(st.st_atime, &target_stx->stx_atime.tv_sec);
11254 __put_user(st.st_mtime, &target_stx->stx_mtime.tv_sec);
11255 __put_user(st.st_ctime, &target_stx->stx_ctime.tv_sec);
11256 unlock_user_struct(target_stx, arg5, 1);
11257 }
11258 }
11259 return ret;
11260#endif
11261#ifdef TARGET_NR_lchown
11262 case TARGET_NR_lchown:
11263 if (!(p = lock_user_string(arg1)))
11264 return -TARGET_EFAULT;
11265 ret = get_errno(lchown(p, low2highuid(arg2), low2highgid(arg3)));
11266 unlock_user(p, arg1, 0);
11267 return ret;
11268#endif
11269#ifdef TARGET_NR_getuid
11270 case TARGET_NR_getuid:
11271 return get_errno(high2lowuid(getuid()));
11272#endif
11273#ifdef TARGET_NR_getgid
11274 case TARGET_NR_getgid:
11275 return get_errno(high2lowgid(getgid()));
11276#endif
11277#ifdef TARGET_NR_geteuid
11278 case TARGET_NR_geteuid:
11279 return get_errno(high2lowuid(geteuid()));
11280#endif
11281#ifdef TARGET_NR_getegid
11282 case TARGET_NR_getegid:
11283 return get_errno(high2lowgid(getegid()));
11284#endif
11285 case TARGET_NR_setreuid:
11286 return get_errno(setreuid(low2highuid(arg1), low2highuid(arg2)));
11287 case TARGET_NR_setregid:
11288 return get_errno(setregid(low2highgid(arg1), low2highgid(arg2)));
11289 case TARGET_NR_getgroups:
11290 {
11291 int gidsetsize = arg1;
11292 target_id *target_grouplist;
11293 gid_t *grouplist;
11294 int i;
11295
11296 grouplist = alloca(gidsetsize * sizeof(gid_t));
11297 ret = get_errno(getgroups(gidsetsize, grouplist));
11298 if (gidsetsize == 0)
11299 return ret;
11300 if (!is_error(ret)) {
11301 target_grouplist = lock_user(VERIFY_WRITE, arg2, gidsetsize * sizeof(target_id), 0);
11302 if (!target_grouplist)
11303 return -TARGET_EFAULT;
11304 for(i = 0;i < ret; i++)
11305 target_grouplist[i] = tswapid(high2lowgid(grouplist[i]));
11306 unlock_user(target_grouplist, arg2, gidsetsize * sizeof(target_id));
11307 }
11308 }
11309 return ret;
11310 case TARGET_NR_setgroups:
11311 {
11312 int gidsetsize = arg1;
11313 target_id *target_grouplist;
11314 gid_t *grouplist = NULL;
11315 int i;
11316 if (gidsetsize) {
11317 grouplist = alloca(gidsetsize * sizeof(gid_t));
11318 target_grouplist = lock_user(VERIFY_READ, arg2, gidsetsize * sizeof(target_id), 1);
11319 if (!target_grouplist) {
11320 return -TARGET_EFAULT;
11321 }
11322 for (i = 0; i < gidsetsize; i++) {
11323 grouplist[i] = low2highgid(tswapid(target_grouplist[i]));
11324 }
11325 unlock_user(target_grouplist, arg2, 0);
11326 }
11327 return get_errno(setgroups(gidsetsize, grouplist));
11328 }
11329 case TARGET_NR_fchown:
11330 return get_errno(fchown(arg1, low2highuid(arg2), low2highgid(arg3)));
11331#if defined(TARGET_NR_fchownat)
11332 case TARGET_NR_fchownat:
11333 if (!(p = lock_user_string(arg2)))
11334 return -TARGET_EFAULT;
11335 ret = get_errno(fchownat(arg1, p, low2highuid(arg3),
11336 low2highgid(arg4), arg5));
11337 unlock_user(p, arg2, 0);
11338 return ret;
11339#endif
11340#ifdef TARGET_NR_setresuid
11341 case TARGET_NR_setresuid:
11342 return get_errno(sys_setresuid(low2highuid(arg1),
11343 low2highuid(arg2),
11344 low2highuid(arg3)));
11345#endif
11346#ifdef TARGET_NR_getresuid
11347 case TARGET_NR_getresuid:
11348 {
11349 uid_t ruid, euid, suid;
11350 ret = get_errno(getresuid(&ruid, &euid, &suid));
11351 if (!is_error(ret)) {
11352 if (put_user_id(high2lowuid(ruid), arg1)
11353 || put_user_id(high2lowuid(euid), arg2)
11354 || put_user_id(high2lowuid(suid), arg3))
11355 return -TARGET_EFAULT;
11356 }
11357 }
11358 return ret;
11359#endif
11360#ifdef TARGET_NR_getresgid
11361 case TARGET_NR_setresgid:
11362 return get_errno(sys_setresgid(low2highgid(arg1),
11363 low2highgid(arg2),
11364 low2highgid(arg3)));
11365#endif
11366#ifdef TARGET_NR_getresgid
11367 case TARGET_NR_getresgid:
11368 {
11369 gid_t rgid, egid, sgid;
11370 ret = get_errno(getresgid(&rgid, &egid, &sgid));
11371 if (!is_error(ret)) {
11372 if (put_user_id(high2lowgid(rgid), arg1)
11373 || put_user_id(high2lowgid(egid), arg2)
11374 || put_user_id(high2lowgid(sgid), arg3))
11375 return -TARGET_EFAULT;
11376 }
11377 }
11378 return ret;
11379#endif
11380#ifdef TARGET_NR_chown
11381 case TARGET_NR_chown:
11382 if (!(p = lock_user_string(arg1)))
11383 return -TARGET_EFAULT;
11384 ret = get_errno(chown(p, low2highuid(arg2), low2highgid(arg3)));
11385 unlock_user(p, arg1, 0);
11386 return ret;
11387#endif
11388 case TARGET_NR_setuid:
11389 return get_errno(sys_setuid(low2highuid(arg1)));
11390 case TARGET_NR_setgid:
11391 return get_errno(sys_setgid(low2highgid(arg1)));
11392 case TARGET_NR_setfsuid:
11393 return get_errno(setfsuid(arg1));
11394 case TARGET_NR_setfsgid:
11395 return get_errno(setfsgid(arg1));
11396
11397#ifdef TARGET_NR_lchown32
11398 case TARGET_NR_lchown32:
11399 if (!(p = lock_user_string(arg1)))
11400 return -TARGET_EFAULT;
11401 ret = get_errno(lchown(p, arg2, arg3));
11402 unlock_user(p, arg1, 0);
11403 return ret;
11404#endif
11405#ifdef TARGET_NR_getuid32
11406 case TARGET_NR_getuid32:
11407 return get_errno(getuid());
11408#endif
11409
11410#if defined(TARGET_NR_getxuid) && defined(TARGET_ALPHA)
11411
11412 case TARGET_NR_getxuid:
11413 {
11414 uid_t euid;
11415 euid=geteuid();
11416 ((CPUAlphaState *)cpu_env)->ir[IR_A4]=euid;
11417 }
11418 return get_errno(getuid());
11419#endif
11420#if defined(TARGET_NR_getxgid) && defined(TARGET_ALPHA)
11421
11422 case TARGET_NR_getxgid:
11423 {
11424 uid_t egid;
11425 egid=getegid();
11426 ((CPUAlphaState *)cpu_env)->ir[IR_A4]=egid;
11427 }
11428 return get_errno(getgid());
11429#endif
11430#if defined(TARGET_NR_osf_getsysinfo) && defined(TARGET_ALPHA)
11431
11432 case TARGET_NR_osf_getsysinfo:
11433 ret = -TARGET_EOPNOTSUPP;
11434 switch (arg1) {
11435 case TARGET_GSI_IEEE_FP_CONTROL:
11436 {
11437 uint64_t fpcr = cpu_alpha_load_fpcr(cpu_env);
11438 uint64_t swcr = ((CPUAlphaState *)cpu_env)->swcr;
11439
11440 swcr &= ~SWCR_STATUS_MASK;
11441 swcr |= (fpcr >> 35) & SWCR_STATUS_MASK;
11442
11443 if (put_user_u64 (swcr, arg2))
11444 return -TARGET_EFAULT;
11445 ret = 0;
11446 }
11447 break;
11448
11449
11450
11451
11452
11453
11454
11455
11456
11457
11458 }
11459 return ret;
11460#endif
11461#if defined(TARGET_NR_osf_setsysinfo) && defined(TARGET_ALPHA)
11462
11463 case TARGET_NR_osf_setsysinfo:
11464 ret = -TARGET_EOPNOTSUPP;
11465 switch (arg1) {
11466 case TARGET_SSI_IEEE_FP_CONTROL:
11467 {
11468 uint64_t swcr, fpcr;
11469
11470 if (get_user_u64 (swcr, arg2)) {
11471 return -TARGET_EFAULT;
11472 }
11473
11474
11475
11476
11477
11478
11479
11480 ((CPUAlphaState *)cpu_env)->swcr
11481 = swcr & (SWCR_TRAP_ENABLE_MASK | SWCR_MAP_MASK);
11482
11483 fpcr = cpu_alpha_load_fpcr(cpu_env);
11484 fpcr &= ((uint64_t)FPCR_DYN_MASK << 32);
11485 fpcr |= alpha_ieee_swcr_to_fpcr(swcr);
11486 cpu_alpha_store_fpcr(cpu_env, fpcr);
11487 ret = 0;
11488 }
11489 break;
11490
11491 case TARGET_SSI_IEEE_RAISE_EXCEPTION:
11492 {
11493 uint64_t exc, fpcr, fex;
11494
11495 if (get_user_u64(exc, arg2)) {
11496 return -TARGET_EFAULT;
11497 }
11498 exc &= SWCR_STATUS_MASK;
11499 fpcr = cpu_alpha_load_fpcr(cpu_env);
11500
11501
11502 fex = alpha_ieee_fpcr_to_swcr(fpcr);
11503 fex = exc & ~fex;
11504 fex >>= SWCR_STATUS_TO_EXCSUM_SHIFT;
11505 fex &= ((CPUArchState *)cpu_env)->swcr;
11506
11507
11508 fpcr |= alpha_ieee_swcr_to_fpcr(exc);
11509 cpu_alpha_store_fpcr(cpu_env, fpcr);
11510
11511 if (fex) {
11512 int si_code = TARGET_FPE_FLTUNK;
11513 target_siginfo_t info;
11514
11515 if (fex & SWCR_TRAP_ENABLE_DNO) {
11516 si_code = TARGET_FPE_FLTUND;
11517 }
11518 if (fex & SWCR_TRAP_ENABLE_INE) {
11519 si_code = TARGET_FPE_FLTRES;
11520 }
11521 if (fex & SWCR_TRAP_ENABLE_UNF) {
11522 si_code = TARGET_FPE_FLTUND;
11523 }
11524 if (fex & SWCR_TRAP_ENABLE_OVF) {
11525 si_code = TARGET_FPE_FLTOVF;
11526 }
11527 if (fex & SWCR_TRAP_ENABLE_DZE) {
11528 si_code = TARGET_FPE_FLTDIV;
11529 }
11530 if (fex & SWCR_TRAP_ENABLE_INV) {
11531 si_code = TARGET_FPE_FLTINV;
11532 }
11533
11534 info.si_signo = SIGFPE;
11535 info.si_errno = 0;
11536 info.si_code = si_code;
11537 info._sifields._sigfault._addr
11538 = ((CPUArchState *)cpu_env)->pc;
11539 queue_signal((CPUArchState *)cpu_env, info.si_signo,
11540 QEMU_SI_FAULT, &info);
11541 }
11542 ret = 0;
11543 }
11544 break;
11545
11546
11547
11548
11549
11550
11551
11552 }
11553 return ret;
11554#endif
11555#ifdef TARGET_NR_osf_sigprocmask
11556
11557 case TARGET_NR_osf_sigprocmask:
11558 {
11559 abi_ulong mask;
11560 int how;
11561 sigset_t set, oldset;
11562
11563 switch(arg1) {
11564 case TARGET_SIG_BLOCK:
11565 how = SIG_BLOCK;
11566 break;
11567 case TARGET_SIG_UNBLOCK:
11568 how = SIG_UNBLOCK;
11569 break;
11570 case TARGET_SIG_SETMASK:
11571 how = SIG_SETMASK;
11572 break;
11573 default:
11574 return -TARGET_EINVAL;
11575 }
11576 mask = arg2;
11577 target_to_host_old_sigset(&set, &mask);
11578 ret = do_sigprocmask(how, &set, &oldset);
11579 if (!ret) {
11580 host_to_target_old_sigset(&mask, &oldset);
11581 ret = mask;
11582 }
11583 }
11584 return ret;
11585#endif
11586
11587#ifdef TARGET_NR_getgid32
11588 case TARGET_NR_getgid32:
11589 return get_errno(getgid());
11590#endif
11591#ifdef TARGET_NR_geteuid32
11592 case TARGET_NR_geteuid32:
11593 return get_errno(geteuid());
11594#endif
11595#ifdef TARGET_NR_getegid32
11596 case TARGET_NR_getegid32:
11597 return get_errno(getegid());
11598#endif
11599#ifdef TARGET_NR_setreuid32
11600 case TARGET_NR_setreuid32:
11601 return get_errno(setreuid(arg1, arg2));
11602#endif
11603#ifdef TARGET_NR_setregid32
11604 case TARGET_NR_setregid32:
11605 return get_errno(setregid(arg1, arg2));
11606#endif
11607#ifdef TARGET_NR_getgroups32
11608 case TARGET_NR_getgroups32:
11609 {
11610 int gidsetsize = arg1;
11611 uint32_t *target_grouplist;
11612 gid_t *grouplist;
11613 int i;
11614
11615 grouplist = alloca(gidsetsize * sizeof(gid_t));
11616 ret = get_errno(getgroups(gidsetsize, grouplist));
11617 if (gidsetsize == 0)
11618 return ret;
11619 if (!is_error(ret)) {
11620 target_grouplist = lock_user(VERIFY_WRITE, arg2, gidsetsize * 4, 0);
11621 if (!target_grouplist) {
11622 return -TARGET_EFAULT;
11623 }
11624 for(i = 0;i < ret; i++)
11625 target_grouplist[i] = tswap32(grouplist[i]);
11626 unlock_user(target_grouplist, arg2, gidsetsize * 4);
11627 }
11628 }
11629 return ret;
11630#endif
11631#ifdef TARGET_NR_setgroups32
11632 case TARGET_NR_setgroups32:
11633 {
11634 int gidsetsize = arg1;
11635 uint32_t *target_grouplist;
11636 gid_t *grouplist;
11637 int i;
11638
11639 grouplist = alloca(gidsetsize * sizeof(gid_t));
11640 target_grouplist = lock_user(VERIFY_READ, arg2, gidsetsize * 4, 1);
11641 if (!target_grouplist) {
11642 return -TARGET_EFAULT;
11643 }
11644 for(i = 0;i < gidsetsize; i++)
11645 grouplist[i] = tswap32(target_grouplist[i]);
11646 unlock_user(target_grouplist, arg2, 0);
11647 return get_errno(setgroups(gidsetsize, grouplist));
11648 }
11649#endif
11650#ifdef TARGET_NR_fchown32
11651 case TARGET_NR_fchown32:
11652 return get_errno(fchown(arg1, arg2, arg3));
11653#endif
11654#ifdef TARGET_NR_setresuid32
11655 case TARGET_NR_setresuid32:
11656 return get_errno(sys_setresuid(arg1, arg2, arg3));
11657#endif
11658#ifdef TARGET_NR_getresuid32
11659 case TARGET_NR_getresuid32:
11660 {
11661 uid_t ruid, euid, suid;
11662 ret = get_errno(getresuid(&ruid, &euid, &suid));
11663 if (!is_error(ret)) {
11664 if (put_user_u32(ruid, arg1)
11665 || put_user_u32(euid, arg2)
11666 || put_user_u32(suid, arg3))
11667 return -TARGET_EFAULT;
11668 }
11669 }
11670 return ret;
11671#endif
11672#ifdef TARGET_NR_setresgid32
11673 case TARGET_NR_setresgid32:
11674 return get_errno(sys_setresgid(arg1, arg2, arg3));
11675#endif
11676#ifdef TARGET_NR_getresgid32
11677 case TARGET_NR_getresgid32:
11678 {
11679 gid_t rgid, egid, sgid;
11680 ret = get_errno(getresgid(&rgid, &egid, &sgid));
11681 if (!is_error(ret)) {
11682 if (put_user_u32(rgid, arg1)
11683 || put_user_u32(egid, arg2)
11684 || put_user_u32(sgid, arg3))
11685 return -TARGET_EFAULT;
11686 }
11687 }
11688 return ret;
11689#endif
11690#ifdef TARGET_NR_chown32
11691 case TARGET_NR_chown32:
11692 if (!(p = lock_user_string(arg1)))
11693 return -TARGET_EFAULT;
11694 ret = get_errno(chown(p, arg2, arg3));
11695 unlock_user(p, arg1, 0);
11696 return ret;
11697#endif
11698#ifdef TARGET_NR_setuid32
11699 case TARGET_NR_setuid32:
11700 return get_errno(sys_setuid(arg1));
11701#endif
11702#ifdef TARGET_NR_setgid32
11703 case TARGET_NR_setgid32:
11704 return get_errno(sys_setgid(arg1));
11705#endif
11706#ifdef TARGET_NR_setfsuid32
11707 case TARGET_NR_setfsuid32:
11708 return get_errno(setfsuid(arg1));
11709#endif
11710#ifdef TARGET_NR_setfsgid32
11711 case TARGET_NR_setfsgid32:
11712 return get_errno(setfsgid(arg1));
11713#endif
11714#ifdef TARGET_NR_mincore
11715 case TARGET_NR_mincore:
11716 {
11717 void *a = lock_user(VERIFY_READ, arg1, arg2, 0);
11718 if (!a) {
11719 return -TARGET_ENOMEM;
11720 }
11721 p = lock_user_string(arg3);
11722 if (!p) {
11723 ret = -TARGET_EFAULT;
11724 } else {
11725 ret = get_errno(mincore(a, arg2, p));
11726 unlock_user(p, arg3, ret);
11727 }
11728 unlock_user(a, arg1, 0);
11729 }
11730 return ret;
11731#endif
11732#ifdef TARGET_NR_arm_fadvise64_64
11733 case TARGET_NR_arm_fadvise64_64:
11734
11735
11736
11737
11738
11739
11740 ret = posix_fadvise(arg1, target_offset64(arg3, arg4),
11741 target_offset64(arg5, arg6), arg2);
11742 return -host_to_target_errno(ret);
11743#endif
11744
11745#if TARGET_ABI_BITS == 32
11746
11747#ifdef TARGET_NR_fadvise64_64
11748 case TARGET_NR_fadvise64_64:
11749#if defined(TARGET_PPC) || defined(TARGET_XTENSA)
11750
11751 ret = arg2;
11752 arg2 = arg3;
11753 arg3 = arg4;
11754 arg4 = arg5;
11755 arg5 = arg6;
11756 arg6 = ret;
11757#else
11758
11759 if (regpairs_aligned(cpu_env, num)) {
11760
11761 arg2 = arg3;
11762 arg3 = arg4;
11763 arg4 = arg5;
11764 arg5 = arg6;
11765 arg6 = arg7;
11766 }
11767#endif
11768 ret = posix_fadvise(arg1, target_offset64(arg2, arg3),
11769 target_offset64(arg4, arg5), arg6);
11770 return -host_to_target_errno(ret);
11771#endif
11772
11773#ifdef TARGET_NR_fadvise64
11774 case TARGET_NR_fadvise64:
11775
11776 if (regpairs_aligned(cpu_env, num)) {
11777
11778 arg2 = arg3;
11779 arg3 = arg4;
11780 arg4 = arg5;
11781 arg5 = arg6;
11782 }
11783 ret = posix_fadvise(arg1, target_offset64(arg2, arg3), arg4, arg5);
11784 return -host_to_target_errno(ret);
11785#endif
11786
11787#else
11788#if defined(TARGET_NR_fadvise64_64) || defined(TARGET_NR_fadvise64)
11789#ifdef TARGET_NR_fadvise64_64
11790 case TARGET_NR_fadvise64_64:
11791#endif
11792#ifdef TARGET_NR_fadvise64
11793 case TARGET_NR_fadvise64:
11794#endif
11795#ifdef TARGET_S390X
11796 switch (arg4) {
11797 case 4: arg4 = POSIX_FADV_NOREUSE + 1; break;
11798 case 5: arg4 = POSIX_FADV_NOREUSE + 2; break;
11799 case 6: arg4 = POSIX_FADV_DONTNEED; break;
11800 case 7: arg4 = POSIX_FADV_NOREUSE; break;
11801 default: break;
11802 }
11803#endif
11804 return -host_to_target_errno(posix_fadvise(arg1, arg2, arg3, arg4));
11805#endif
11806#endif
11807
11808#ifdef TARGET_NR_madvise
11809 case TARGET_NR_madvise:
11810
11811
11812
11813
11814 return 0;
11815#endif
11816#ifdef TARGET_NR_fcntl64
11817 case TARGET_NR_fcntl64:
11818 {
11819 int cmd;
11820 struct flock64 fl;
11821 from_flock64_fn *copyfrom = copy_from_user_flock64;
11822 to_flock64_fn *copyto = copy_to_user_flock64;
11823
11824#ifdef TARGET_ARM
11825 if (!((CPUARMState *)cpu_env)->eabi) {
11826 copyfrom = copy_from_user_oabi_flock64;
11827 copyto = copy_to_user_oabi_flock64;
11828 }
11829#endif
11830
11831 cmd = target_to_host_fcntl_cmd(arg2);
11832 if (cmd == -TARGET_EINVAL) {
11833 return cmd;
11834 }
11835
11836 switch(arg2) {
11837 case TARGET_F_GETLK64:
11838 ret = copyfrom(&fl, arg3);
11839 if (ret) {
11840 break;
11841 }
11842 ret = get_errno(safe_fcntl(arg1, cmd, &fl));
11843 if (ret == 0) {
11844 ret = copyto(arg3, &fl);
11845 }
11846 break;
11847
11848 case TARGET_F_SETLK64:
11849 case TARGET_F_SETLKW64:
11850 ret = copyfrom(&fl, arg3);
11851 if (ret) {
11852 break;
11853 }
11854 ret = get_errno(safe_fcntl(arg1, cmd, &fl));
11855 break;
11856 default:
11857 ret = do_fcntl(arg1, arg2, arg3);
11858 break;
11859 }
11860 return ret;
11861 }
11862#endif
11863#ifdef TARGET_NR_cacheflush
11864 case TARGET_NR_cacheflush:
11865
11866 return 0;
11867#endif
11868#ifdef TARGET_NR_getpagesize
11869 case TARGET_NR_getpagesize:
11870 return TARGET_PAGE_SIZE;
11871#endif
11872 case TARGET_NR_gettid:
11873 return get_errno(sys_gettid());
11874#ifdef TARGET_NR_readahead
11875 case TARGET_NR_readahead:
11876#if TARGET_ABI_BITS == 32
11877 if (regpairs_aligned(cpu_env, num)) {
11878 arg2 = arg3;
11879 arg3 = arg4;
11880 arg4 = arg5;
11881 }
11882 ret = get_errno(readahead(arg1, target_offset64(arg2, arg3) , arg4));
11883#else
11884 ret = get_errno(readahead(arg1, arg2, arg3));
11885#endif
11886 return ret;
11887#endif
11888#ifdef CONFIG_ATTR
11889#ifdef TARGET_NR_setxattr
11890 case TARGET_NR_listxattr:
11891 case TARGET_NR_llistxattr:
11892 {
11893 void *p, *b = 0;
11894 if (arg2) {
11895 b = lock_user(VERIFY_WRITE, arg2, arg3, 0);
11896 if (!b) {
11897 return -TARGET_EFAULT;
11898 }
11899 }
11900 p = lock_user_string(arg1);
11901 if (p) {
11902 if (num == TARGET_NR_listxattr) {
11903 ret = get_errno(listxattr(p, b, arg3));
11904 } else {
11905 ret = get_errno(llistxattr(p, b, arg3));
11906 }
11907 } else {
11908 ret = -TARGET_EFAULT;
11909 }
11910 unlock_user(p, arg1, 0);
11911 unlock_user(b, arg2, arg3);
11912 return ret;
11913 }
11914 case TARGET_NR_flistxattr:
11915 {
11916 void *b = 0;
11917 if (arg2) {
11918 b = lock_user(VERIFY_WRITE, arg2, arg3, 0);
11919 if (!b) {
11920 return -TARGET_EFAULT;
11921 }
11922 }
11923 ret = get_errno(flistxattr(arg1, b, arg3));
11924 unlock_user(b, arg2, arg3);
11925 return ret;
11926 }
11927 case TARGET_NR_setxattr:
11928 case TARGET_NR_lsetxattr:
11929 {
11930 void *p, *n, *v = 0;
11931 if (arg3) {
11932 v = lock_user(VERIFY_READ, arg3, arg4, 1);
11933 if (!v) {
11934 return -TARGET_EFAULT;
11935 }
11936 }
11937 p = lock_user_string(arg1);
11938 n = lock_user_string(arg2);
11939 if (p && n) {
11940 if (num == TARGET_NR_setxattr) {
11941 ret = get_errno(setxattr(p, n, v, arg4, arg5));
11942 } else {
11943 ret = get_errno(lsetxattr(p, n, v, arg4, arg5));
11944 }
11945 } else {
11946 ret = -TARGET_EFAULT;
11947 }
11948 unlock_user(p, arg1, 0);
11949 unlock_user(n, arg2, 0);
11950 unlock_user(v, arg3, 0);
11951 }
11952 return ret;
11953 case TARGET_NR_fsetxattr:
11954 {
11955 void *n, *v = 0;
11956 if (arg3) {
11957 v = lock_user(VERIFY_READ, arg3, arg4, 1);
11958 if (!v) {
11959 return -TARGET_EFAULT;
11960 }
11961 }
11962 n = lock_user_string(arg2);
11963 if (n) {
11964 ret = get_errno(fsetxattr(arg1, n, v, arg4, arg5));
11965 } else {
11966 ret = -TARGET_EFAULT;
11967 }
11968 unlock_user(n, arg2, 0);
11969 unlock_user(v, arg3, 0);
11970 }
11971 return ret;
11972 case TARGET_NR_getxattr:
11973 case TARGET_NR_lgetxattr:
11974 {
11975 void *p, *n, *v = 0;
11976 if (arg3) {
11977 v = lock_user(VERIFY_WRITE, arg3, arg4, 0);
11978 if (!v) {
11979 return -TARGET_EFAULT;
11980 }
11981 }
11982 p = lock_user_string(arg1);
11983 n = lock_user_string(arg2);
11984 if (p && n) {
11985 if (num == TARGET_NR_getxattr) {
11986 ret = get_errno(getxattr(p, n, v, arg4));
11987 } else {
11988 ret = get_errno(lgetxattr(p, n, v, arg4));
11989 }
11990 } else {
11991 ret = -TARGET_EFAULT;
11992 }
11993 unlock_user(p, arg1, 0);
11994 unlock_user(n, arg2, 0);
11995 unlock_user(v, arg3, arg4);
11996 }
11997 return ret;
11998 case TARGET_NR_fgetxattr:
11999 {
12000 void *n, *v = 0;
12001 if (arg3) {
12002 v = lock_user(VERIFY_WRITE, arg3, arg4, 0);
12003 if (!v) {
12004 return -TARGET_EFAULT;
12005 }
12006 }
12007 n = lock_user_string(arg2);
12008 if (n) {
12009 ret = get_errno(fgetxattr(arg1, n, v, arg4));
12010 } else {
12011 ret = -TARGET_EFAULT;
12012 }
12013 unlock_user(n, arg2, 0);
12014 unlock_user(v, arg3, arg4);
12015 }
12016 return ret;
12017 case TARGET_NR_removexattr:
12018 case TARGET_NR_lremovexattr:
12019 {
12020 void *p, *n;
12021 p = lock_user_string(arg1);
12022 n = lock_user_string(arg2);
12023 if (p && n) {
12024 if (num == TARGET_NR_removexattr) {
12025 ret = get_errno(removexattr(p, n));
12026 } else {
12027 ret = get_errno(lremovexattr(p, n));
12028 }
12029 } else {
12030 ret = -TARGET_EFAULT;
12031 }
12032 unlock_user(p, arg1, 0);
12033 unlock_user(n, arg2, 0);
12034 }
12035 return ret;
12036 case TARGET_NR_fremovexattr:
12037 {
12038 void *n;
12039 n = lock_user_string(arg2);
12040 if (n) {
12041 ret = get_errno(fremovexattr(arg1, n));
12042 } else {
12043 ret = -TARGET_EFAULT;
12044 }
12045 unlock_user(n, arg2, 0);
12046 }
12047 return ret;
12048#endif
12049#endif
12050#ifdef TARGET_NR_set_thread_area
12051 case TARGET_NR_set_thread_area:
12052#if defined(TARGET_MIPS)
12053 ((CPUMIPSState *) cpu_env)->active_tc.CP0_UserLocal = arg1;
12054 return 0;
12055#elif defined(TARGET_CRIS)
12056 if (arg1 & 0xff)
12057 ret = -TARGET_EINVAL;
12058 else {
12059 ((CPUCRISState *) cpu_env)->pregs[PR_PID] = arg1;
12060 ret = 0;
12061 }
12062 return ret;
12063#elif defined(TARGET_I386) && defined(TARGET_ABI32)
12064 return do_set_thread_area(cpu_env, arg1);
12065#elif defined(TARGET_M68K)
12066 {
12067 TaskState *ts = cpu->opaque;
12068 ts->tp_value = arg1;
12069 return 0;
12070 }
12071#else
12072 return -TARGET_ENOSYS;
12073#endif
12074#endif
12075#ifdef TARGET_NR_get_thread_area
12076 case TARGET_NR_get_thread_area:
12077#if defined(TARGET_I386) && defined(TARGET_ABI32)
12078 return do_get_thread_area(cpu_env, arg1);
12079#elif defined(TARGET_M68K)
12080 {
12081 TaskState *ts = cpu->opaque;
12082 return ts->tp_value;
12083 }
12084#else
12085 return -TARGET_ENOSYS;
12086#endif
12087#endif
12088#ifdef TARGET_NR_getdomainname
12089 case TARGET_NR_getdomainname:
12090 return -TARGET_ENOSYS;
12091#endif
12092
12093#ifdef TARGET_NR_clock_settime
12094 case TARGET_NR_clock_settime:
12095 {
12096 struct timespec ts;
12097
12098 ret = target_to_host_timespec(&ts, arg2);
12099 if (!is_error(ret)) {
12100 ret = get_errno(clock_settime(arg1, &ts));
12101 }
12102 return ret;
12103 }
12104#endif
12105#ifdef TARGET_NR_clock_settime64
12106 case TARGET_NR_clock_settime64:
12107 {
12108 struct timespec ts;
12109
12110 ret = target_to_host_timespec64(&ts, arg2);
12111 if (!is_error(ret)) {
12112 ret = get_errno(clock_settime(arg1, &ts));
12113 }
12114 return ret;
12115 }
12116#endif
12117#ifdef TARGET_NR_clock_gettime
12118 case TARGET_NR_clock_gettime:
12119 {
12120 struct timespec ts;
12121 ret = get_errno(clock_gettime(arg1, &ts));
12122 if (!is_error(ret)) {
12123 ret = host_to_target_timespec(arg2, &ts);
12124 }
12125 return ret;
12126 }
12127#endif
12128#ifdef TARGET_NR_clock_gettime64
12129 case TARGET_NR_clock_gettime64:
12130 {
12131 struct timespec ts;
12132 ret = get_errno(clock_gettime(arg1, &ts));
12133 if (!is_error(ret)) {
12134 ret = host_to_target_timespec64(arg2, &ts);
12135 }
12136 return ret;
12137 }
12138#endif
12139#ifdef TARGET_NR_clock_getres
12140 case TARGET_NR_clock_getres:
12141 {
12142 struct timespec ts;
12143 ret = get_errno(clock_getres(arg1, &ts));
12144 if (!is_error(ret)) {
12145 host_to_target_timespec(arg2, &ts);
12146 }
12147 return ret;
12148 }
12149#endif
12150#ifdef TARGET_NR_clock_getres_time64
12151 case TARGET_NR_clock_getres_time64:
12152 {
12153 struct timespec ts;
12154 ret = get_errno(clock_getres(arg1, &ts));
12155 if (!is_error(ret)) {
12156 host_to_target_timespec64(arg2, &ts);
12157 }
12158 return ret;
12159 }
12160#endif
12161#ifdef TARGET_NR_clock_nanosleep
12162 case TARGET_NR_clock_nanosleep:
12163 {
12164 struct timespec ts;
12165 if (target_to_host_timespec(&ts, arg3)) {
12166 return -TARGET_EFAULT;
12167 }
12168 ret = get_errno(safe_clock_nanosleep(arg1, arg2,
12169 &ts, arg4 ? &ts : NULL));
12170
12171
12172
12173
12174
12175 if (ret == -TARGET_EINTR && arg4 && arg2 != TIMER_ABSTIME &&
12176 host_to_target_timespec(arg4, &ts)) {
12177 return -TARGET_EFAULT;
12178 }
12179
12180 return ret;
12181 }
12182#endif
12183#ifdef TARGET_NR_clock_nanosleep_time64
12184 case TARGET_NR_clock_nanosleep_time64:
12185 {
12186 struct timespec ts;
12187
12188 if (target_to_host_timespec64(&ts, arg3)) {
12189 return -TARGET_EFAULT;
12190 }
12191
12192 ret = get_errno(safe_clock_nanosleep(arg1, arg2,
12193 &ts, arg4 ? &ts : NULL));
12194
12195 if (ret == -TARGET_EINTR && arg4 && arg2 != TIMER_ABSTIME &&
12196 host_to_target_timespec64(arg4, &ts)) {
12197 return -TARGET_EFAULT;
12198 }
12199 return ret;
12200 }
12201#endif
12202
12203#if defined(TARGET_NR_set_tid_address) && defined(__NR_set_tid_address)
12204 case TARGET_NR_set_tid_address:
12205 return get_errno(set_tid_address((int *)g2h(cpu, arg1)));
12206#endif
12207
12208 case TARGET_NR_tkill:
12209 return get_errno(safe_tkill((int)arg1, target_to_host_signal(arg2)));
12210
12211 case TARGET_NR_tgkill:
12212 return get_errno(safe_tgkill((int)arg1, (int)arg2,
12213 target_to_host_signal(arg3)));
12214
12215#ifdef TARGET_NR_set_robust_list
12216 case TARGET_NR_set_robust_list:
12217 case TARGET_NR_get_robust_list:
12218
12219
12220
12221
12222
12223
12224
12225
12226
12227
12228
12229
12230 return -TARGET_ENOSYS;
12231#endif
12232
12233#if defined(TARGET_NR_utimensat)
12234 case TARGET_NR_utimensat:
12235 {
12236 struct timespec *tsp, ts[2];
12237 if (!arg3) {
12238 tsp = NULL;
12239 } else {
12240 if (target_to_host_timespec(ts, arg3)) {
12241 return -TARGET_EFAULT;
12242 }
12243 if (target_to_host_timespec(ts + 1, arg3 +
12244 sizeof(struct target_timespec))) {
12245 return -TARGET_EFAULT;
12246 }
12247 tsp = ts;
12248 }
12249 if (!arg2)
12250 ret = get_errno(sys_utimensat(arg1, NULL, tsp, arg4));
12251 else {
12252 if (!(p = lock_user_string(arg2))) {
12253 return -TARGET_EFAULT;
12254 }
12255 ret = get_errno(sys_utimensat(arg1, path(p), tsp, arg4));
12256 unlock_user(p, arg2, 0);
12257 }
12258 }
12259 return ret;
12260#endif
12261#ifdef TARGET_NR_utimensat_time64
12262 case TARGET_NR_utimensat_time64:
12263 {
12264 struct timespec *tsp, ts[2];
12265 if (!arg3) {
12266 tsp = NULL;
12267 } else {
12268 if (target_to_host_timespec64(ts, arg3)) {
12269 return -TARGET_EFAULT;
12270 }
12271 if (target_to_host_timespec64(ts + 1, arg3 +
12272 sizeof(struct target__kernel_timespec))) {
12273 return -TARGET_EFAULT;
12274 }
12275 tsp = ts;
12276 }
12277 if (!arg2)
12278 ret = get_errno(sys_utimensat(arg1, NULL, tsp, arg4));
12279 else {
12280 p = lock_user_string(arg2);
12281 if (!p) {
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_futex
12291 case TARGET_NR_futex:
12292 return do_futex(cpu, arg1, arg2, arg3, arg4, arg5, arg6);
12293#endif
12294#ifdef TARGET_NR_futex_time64
12295 case TARGET_NR_futex_time64:
12296 return do_futex_time64(cpu, arg1, arg2, arg3, arg4, arg5, arg6);
12297#endif
12298#ifdef CONFIG_INOTIFY
12299#if defined(TARGET_NR_inotify_init)
12300 case TARGET_NR_inotify_init:
12301 ret = get_errno(inotify_init());
12302 if (ret >= 0) {
12303 fd_trans_register(ret, &target_inotify_trans);
12304 }
12305 return ret;
12306#endif
12307#if defined(TARGET_NR_inotify_init1) && defined(CONFIG_INOTIFY1)
12308 case TARGET_NR_inotify_init1:
12309 ret = get_errno(inotify_init1(target_to_host_bitmask(arg1,
12310 fcntl_flags_tbl)));
12311 if (ret >= 0) {
12312 fd_trans_register(ret, &target_inotify_trans);
12313 }
12314 return ret;
12315#endif
12316#if defined(TARGET_NR_inotify_add_watch)
12317 case TARGET_NR_inotify_add_watch:
12318 p = lock_user_string(arg2);
12319 ret = get_errno(inotify_add_watch(arg1, path(p), arg3));
12320 unlock_user(p, arg2, 0);
12321 return ret;
12322#endif
12323#if defined(TARGET_NR_inotify_rm_watch)
12324 case TARGET_NR_inotify_rm_watch:
12325 return get_errno(inotify_rm_watch(arg1, arg2));
12326#endif
12327#endif
12328
12329#if defined(TARGET_NR_mq_open) && defined(__NR_mq_open)
12330 case TARGET_NR_mq_open:
12331 {
12332 struct mq_attr posix_mq_attr;
12333 struct mq_attr *pposix_mq_attr;
12334 int host_flags;
12335
12336 host_flags = target_to_host_bitmask(arg2, fcntl_flags_tbl);
12337 pposix_mq_attr = NULL;
12338 if (arg4) {
12339 if (copy_from_user_mq_attr(&posix_mq_attr, arg4) != 0) {
12340 return -TARGET_EFAULT;
12341 }
12342 pposix_mq_attr = &posix_mq_attr;
12343 }
12344 p = lock_user_string(arg1 - 1);
12345 if (!p) {
12346 return -TARGET_EFAULT;
12347 }
12348 ret = get_errno(mq_open(p, host_flags, arg3, pposix_mq_attr));
12349 unlock_user (p, arg1, 0);
12350 }
12351 return ret;
12352
12353 case TARGET_NR_mq_unlink:
12354 p = lock_user_string(arg1 - 1);
12355 if (!p) {
12356 return -TARGET_EFAULT;
12357 }
12358 ret = get_errno(mq_unlink(p));
12359 unlock_user (p, arg1, 0);
12360 return ret;
12361
12362#ifdef TARGET_NR_mq_timedsend
12363 case TARGET_NR_mq_timedsend:
12364 {
12365 struct timespec ts;
12366
12367 p = lock_user (VERIFY_READ, arg2, arg3, 1);
12368 if (arg5 != 0) {
12369 if (target_to_host_timespec(&ts, arg5)) {
12370 return -TARGET_EFAULT;
12371 }
12372 ret = get_errno(safe_mq_timedsend(arg1, p, arg3, arg4, &ts));
12373 if (!is_error(ret) && host_to_target_timespec(arg5, &ts)) {
12374 return -TARGET_EFAULT;
12375 }
12376 } else {
12377 ret = get_errno(safe_mq_timedsend(arg1, p, arg3, arg4, NULL));
12378 }
12379 unlock_user (p, arg2, arg3);
12380 }
12381 return ret;
12382#endif
12383#ifdef TARGET_NR_mq_timedsend_time64
12384 case TARGET_NR_mq_timedsend_time64:
12385 {
12386 struct timespec ts;
12387
12388 p = lock_user(VERIFY_READ, arg2, arg3, 1);
12389 if (arg5 != 0) {
12390 if (target_to_host_timespec64(&ts, arg5)) {
12391 return -TARGET_EFAULT;
12392 }
12393 ret = get_errno(safe_mq_timedsend(arg1, p, arg3, arg4, &ts));
12394 if (!is_error(ret) && host_to_target_timespec64(arg5, &ts)) {
12395 return -TARGET_EFAULT;
12396 }
12397 } else {
12398 ret = get_errno(safe_mq_timedsend(arg1, p, arg3, arg4, NULL));
12399 }
12400 unlock_user(p, arg2, arg3);
12401 }
12402 return ret;
12403#endif
12404
12405#ifdef TARGET_NR_mq_timedreceive
12406 case TARGET_NR_mq_timedreceive:
12407 {
12408 struct timespec ts;
12409 unsigned int prio;
12410
12411 p = lock_user (VERIFY_READ, arg2, arg3, 1);
12412 if (arg5 != 0) {
12413 if (target_to_host_timespec(&ts, arg5)) {
12414 return -TARGET_EFAULT;
12415 }
12416 ret = get_errno(safe_mq_timedreceive(arg1, p, arg3,
12417 &prio, &ts));
12418 if (!is_error(ret) && host_to_target_timespec(arg5, &ts)) {
12419 return -TARGET_EFAULT;
12420 }
12421 } else {
12422 ret = get_errno(safe_mq_timedreceive(arg1, p, arg3,
12423 &prio, NULL));
12424 }
12425 unlock_user (p, arg2, arg3);
12426 if (arg4 != 0)
12427 put_user_u32(prio, arg4);
12428 }
12429 return ret;
12430#endif
12431#ifdef TARGET_NR_mq_timedreceive_time64
12432 case TARGET_NR_mq_timedreceive_time64:
12433 {
12434 struct timespec ts;
12435 unsigned int prio;
12436
12437 p = lock_user(VERIFY_READ, arg2, arg3, 1);
12438 if (arg5 != 0) {
12439 if (target_to_host_timespec64(&ts, arg5)) {
12440 return -TARGET_EFAULT;
12441 }
12442 ret = get_errno(safe_mq_timedreceive(arg1, p, arg3,
12443 &prio, &ts));
12444 if (!is_error(ret) && host_to_target_timespec64(arg5, &ts)) {
12445 return -TARGET_EFAULT;
12446 }
12447 } else {
12448 ret = get_errno(safe_mq_timedreceive(arg1, p, arg3,
12449 &prio, NULL));
12450 }
12451 unlock_user(p, arg2, arg3);
12452 if (arg4 != 0) {
12453 put_user_u32(prio, arg4);
12454 }
12455 }
12456 return ret;
12457#endif
12458
12459
12460
12461
12462
12463 case TARGET_NR_mq_getsetattr:
12464 {
12465 struct mq_attr posix_mq_attr_in, posix_mq_attr_out;
12466 ret = 0;
12467 if (arg2 != 0) {
12468 copy_from_user_mq_attr(&posix_mq_attr_in, arg2);
12469 ret = get_errno(mq_setattr(arg1, &posix_mq_attr_in,
12470 &posix_mq_attr_out));
12471 } else if (arg3 != 0) {
12472 ret = get_errno(mq_getattr(arg1, &posix_mq_attr_out));
12473 }
12474 if (ret == 0 && arg3 != 0) {
12475 copy_to_user_mq_attr(arg3, &posix_mq_attr_out);
12476 }
12477 }
12478 return ret;
12479#endif
12480
12481#ifdef CONFIG_SPLICE
12482#ifdef TARGET_NR_tee
12483 case TARGET_NR_tee:
12484 {
12485 ret = get_errno(tee(arg1,arg2,arg3,arg4));
12486 }
12487 return ret;
12488#endif
12489#ifdef TARGET_NR_splice
12490 case TARGET_NR_splice:
12491 {
12492 loff_t loff_in, loff_out;
12493 loff_t *ploff_in = NULL, *ploff_out = NULL;
12494 if (arg2) {
12495 if (get_user_u64(loff_in, arg2)) {
12496 return -TARGET_EFAULT;
12497 }
12498 ploff_in = &loff_in;
12499 }
12500 if (arg4) {
12501 if (get_user_u64(loff_out, arg4)) {
12502 return -TARGET_EFAULT;
12503 }
12504 ploff_out = &loff_out;
12505 }
12506 ret = get_errno(splice(arg1, ploff_in, arg3, ploff_out, arg5, arg6));
12507 if (arg2) {
12508 if (put_user_u64(loff_in, arg2)) {
12509 return -TARGET_EFAULT;
12510 }
12511 }
12512 if (arg4) {
12513 if (put_user_u64(loff_out, arg4)) {
12514 return -TARGET_EFAULT;
12515 }
12516 }
12517 }
12518 return ret;
12519#endif
12520#ifdef TARGET_NR_vmsplice
12521 case TARGET_NR_vmsplice:
12522 {
12523 struct iovec *vec = lock_iovec(VERIFY_READ, arg2, arg3, 1);
12524 if (vec != NULL) {
12525 ret = get_errno(vmsplice(arg1, vec, arg3, arg4));
12526 unlock_iovec(vec, arg2, arg3, 0);
12527 } else {
12528 ret = -host_to_target_errno(errno);
12529 }
12530 }
12531 return ret;
12532#endif
12533#endif
12534#ifdef CONFIG_EVENTFD
12535#if defined(TARGET_NR_eventfd)
12536 case TARGET_NR_eventfd:
12537 ret = get_errno(eventfd(arg1, 0));
12538 if (ret >= 0) {
12539 fd_trans_register(ret, &target_eventfd_trans);
12540 }
12541 return ret;
12542#endif
12543#if defined(TARGET_NR_eventfd2)
12544 case TARGET_NR_eventfd2:
12545 {
12546 int host_flags = arg2 & (~(TARGET_O_NONBLOCK_MASK | TARGET_O_CLOEXEC));
12547 if (arg2 & TARGET_O_NONBLOCK) {
12548 host_flags |= O_NONBLOCK;
12549 }
12550 if (arg2 & TARGET_O_CLOEXEC) {
12551 host_flags |= O_CLOEXEC;
12552 }
12553 ret = get_errno(eventfd(arg1, host_flags));
12554 if (ret >= 0) {
12555 fd_trans_register(ret, &target_eventfd_trans);
12556 }
12557 return ret;
12558 }
12559#endif
12560#endif
12561#if defined(CONFIG_FALLOCATE) && defined(TARGET_NR_fallocate)
12562 case TARGET_NR_fallocate:
12563#if TARGET_ABI_BITS == 32
12564 ret = get_errno(fallocate(arg1, arg2, target_offset64(arg3, arg4),
12565 target_offset64(arg5, arg6)));
12566#else
12567 ret = get_errno(fallocate(arg1, arg2, arg3, arg4));
12568#endif
12569 return ret;
12570#endif
12571#if defined(CONFIG_SYNC_FILE_RANGE)
12572#if defined(TARGET_NR_sync_file_range)
12573 case TARGET_NR_sync_file_range:
12574#if TARGET_ABI_BITS == 32
12575#if defined(TARGET_MIPS)
12576 ret = get_errno(sync_file_range(arg1, target_offset64(arg3, arg4),
12577 target_offset64(arg5, arg6), arg7));
12578#else
12579 ret = get_errno(sync_file_range(arg1, target_offset64(arg2, arg3),
12580 target_offset64(arg4, arg5), arg6));
12581#endif
12582#else
12583 ret = get_errno(sync_file_range(arg1, arg2, arg3, arg4));
12584#endif
12585 return ret;
12586#endif
12587#if defined(TARGET_NR_sync_file_range2) || \
12588 defined(TARGET_NR_arm_sync_file_range)
12589#if defined(TARGET_NR_sync_file_range2)
12590 case TARGET_NR_sync_file_range2:
12591#endif
12592#if defined(TARGET_NR_arm_sync_file_range)
12593 case TARGET_NR_arm_sync_file_range:
12594#endif
12595
12596#if TARGET_ABI_BITS == 32
12597 ret = get_errno(sync_file_range(arg1, target_offset64(arg3, arg4),
12598 target_offset64(arg5, arg6), arg2));
12599#else
12600 ret = get_errno(sync_file_range(arg1, arg3, arg4, arg2));
12601#endif
12602 return ret;
12603#endif
12604#endif
12605#if defined(TARGET_NR_signalfd4)
12606 case TARGET_NR_signalfd4:
12607 return do_signalfd4(arg1, arg2, arg4);
12608#endif
12609#if defined(TARGET_NR_signalfd)
12610 case TARGET_NR_signalfd:
12611 return do_signalfd4(arg1, arg2, 0);
12612#endif
12613#if defined(CONFIG_EPOLL)
12614#if defined(TARGET_NR_epoll_create)
12615 case TARGET_NR_epoll_create:
12616 return get_errno(epoll_create(arg1));
12617#endif
12618#if defined(TARGET_NR_epoll_create1) && defined(CONFIG_EPOLL_CREATE1)
12619 case TARGET_NR_epoll_create1:
12620 return get_errno(epoll_create1(target_to_host_bitmask(arg1, fcntl_flags_tbl)));
12621#endif
12622#if defined(TARGET_NR_epoll_ctl)
12623 case TARGET_NR_epoll_ctl:
12624 {
12625 struct epoll_event ep;
12626 struct epoll_event *epp = 0;
12627 if (arg4) {
12628 if (arg2 != EPOLL_CTL_DEL) {
12629 struct target_epoll_event *target_ep;
12630 if (!lock_user_struct(VERIFY_READ, target_ep, arg4, 1)) {
12631 return -TARGET_EFAULT;
12632 }
12633 ep.events = tswap32(target_ep->events);
12634
12635
12636
12637
12638
12639 ep.data.u64 = tswap64(target_ep->data.u64);
12640 unlock_user_struct(target_ep, arg4, 0);
12641 }
12642
12643
12644
12645
12646
12647 epp = &ep;
12648 }
12649 return get_errno(epoll_ctl(arg1, arg2, arg3, epp));
12650 }
12651#endif
12652
12653#if defined(TARGET_NR_epoll_wait) || defined(TARGET_NR_epoll_pwait)
12654#if defined(TARGET_NR_epoll_wait)
12655 case TARGET_NR_epoll_wait:
12656#endif
12657#if defined(TARGET_NR_epoll_pwait)
12658 case TARGET_NR_epoll_pwait:
12659#endif
12660 {
12661 struct target_epoll_event *target_ep;
12662 struct epoll_event *ep;
12663 int epfd = arg1;
12664 int maxevents = arg3;
12665 int timeout = arg4;
12666
12667 if (maxevents <= 0 || maxevents > TARGET_EP_MAX_EVENTS) {
12668 return -TARGET_EINVAL;
12669 }
12670
12671 target_ep = lock_user(VERIFY_WRITE, arg2,
12672 maxevents * sizeof(struct target_epoll_event), 1);
12673 if (!target_ep) {
12674 return -TARGET_EFAULT;
12675 }
12676
12677 ep = g_try_new(struct epoll_event, maxevents);
12678 if (!ep) {
12679 unlock_user(target_ep, arg2, 0);
12680 return -TARGET_ENOMEM;
12681 }
12682
12683 switch (num) {
12684#if defined(TARGET_NR_epoll_pwait)
12685 case TARGET_NR_epoll_pwait:
12686 {
12687 sigset_t *set = NULL;
12688
12689 if (arg5) {
12690 ret = process_sigsuspend_mask(&set, arg5, arg6);
12691 if (ret != 0) {
12692 break;
12693 }
12694 }
12695
12696 ret = get_errno(safe_epoll_pwait(epfd, ep, maxevents, timeout,
12697 set, SIGSET_T_SIZE));
12698
12699 if (set) {
12700 finish_sigsuspend_mask(ret);
12701 }
12702 break;
12703 }
12704#endif
12705#if defined(TARGET_NR_epoll_wait)
12706 case TARGET_NR_epoll_wait:
12707 ret = get_errno(safe_epoll_pwait(epfd, ep, maxevents, timeout,
12708 NULL, 0));
12709 break;
12710#endif
12711 default:
12712 ret = -TARGET_ENOSYS;
12713 }
12714 if (!is_error(ret)) {
12715 int i;
12716 for (i = 0; i < ret; i++) {
12717 target_ep[i].events = tswap32(ep[i].events);
12718 target_ep[i].data.u64 = tswap64(ep[i].data.u64);
12719 }
12720 unlock_user(target_ep, arg2,
12721 ret * sizeof(struct target_epoll_event));
12722 } else {
12723 unlock_user(target_ep, arg2, 0);
12724 }
12725 g_free(ep);
12726 return ret;
12727 }
12728#endif
12729#endif
12730#ifdef TARGET_NR_prlimit64
12731 case TARGET_NR_prlimit64:
12732 {
12733
12734 struct target_rlimit64 *target_rnew, *target_rold;
12735 struct host_rlimit64 rnew, rold, *rnewp = 0;
12736 int resource = target_to_host_resource(arg2);
12737
12738 if (arg3 && (resource != RLIMIT_AS &&
12739 resource != RLIMIT_DATA &&
12740 resource != RLIMIT_STACK)) {
12741 if (!lock_user_struct(VERIFY_READ, target_rnew, arg3, 1)) {
12742 return -TARGET_EFAULT;
12743 }
12744 rnew.rlim_cur = tswap64(target_rnew->rlim_cur);
12745 rnew.rlim_max = tswap64(target_rnew->rlim_max);
12746 unlock_user_struct(target_rnew, arg3, 0);
12747 rnewp = &rnew;
12748 }
12749
12750 ret = get_errno(sys_prlimit64(arg1, resource, rnewp, arg4 ? &rold : 0));
12751 if (!is_error(ret) && arg4) {
12752 if (!lock_user_struct(VERIFY_WRITE, target_rold, arg4, 1)) {
12753 return -TARGET_EFAULT;
12754 }
12755 target_rold->rlim_cur = tswap64(rold.rlim_cur);
12756 target_rold->rlim_max = tswap64(rold.rlim_max);
12757 unlock_user_struct(target_rold, arg4, 1);
12758 }
12759 return ret;
12760 }
12761#endif
12762#ifdef TARGET_NR_gethostname
12763 case TARGET_NR_gethostname:
12764 {
12765 char *name = lock_user(VERIFY_WRITE, arg1, arg2, 0);
12766 if (name) {
12767 ret = get_errno(gethostname(name, arg2));
12768 unlock_user(name, arg1, arg2);
12769 } else {
12770 ret = -TARGET_EFAULT;
12771 }
12772 return ret;
12773 }
12774#endif
12775#ifdef TARGET_NR_atomic_cmpxchg_32
12776 case TARGET_NR_atomic_cmpxchg_32:
12777 {
12778
12779 abi_ulong mem_value;
12780 if (get_user_u32(mem_value, arg6)) {
12781 target_siginfo_t info;
12782 info.si_signo = SIGSEGV;
12783 info.si_errno = 0;
12784 info.si_code = TARGET_SEGV_MAPERR;
12785 info._sifields._sigfault._addr = arg6;
12786 queue_signal((CPUArchState *)cpu_env, info.si_signo,
12787 QEMU_SI_FAULT, &info);
12788 ret = 0xdeadbeef;
12789
12790 }
12791 if (mem_value == arg2)
12792 put_user_u32(arg1, arg6);
12793 return mem_value;
12794 }
12795#endif
12796#ifdef TARGET_NR_atomic_barrier
12797 case TARGET_NR_atomic_barrier:
12798
12799
12800 return 0;
12801#endif
12802
12803#ifdef TARGET_NR_timer_create
12804 case TARGET_NR_timer_create:
12805 {
12806
12807
12808 struct sigevent host_sevp = { {0}, }, *phost_sevp = NULL;
12809
12810 int clkid = arg1;
12811 int timer_index = next_free_host_timer();
12812
12813 if (timer_index < 0) {
12814 ret = -TARGET_EAGAIN;
12815 } else {
12816 timer_t *phtimer = g_posix_timers + timer_index;
12817
12818 if (arg2) {
12819 phost_sevp = &host_sevp;
12820 ret = target_to_host_sigevent(phost_sevp, arg2);
12821 if (ret != 0) {
12822 return ret;
12823 }
12824 }
12825
12826 ret = get_errno(timer_create(clkid, phost_sevp, phtimer));
12827 if (ret) {
12828 phtimer = NULL;
12829 } else {
12830 if (put_user(TIMER_MAGIC | timer_index, arg3, target_timer_t)) {
12831 return -TARGET_EFAULT;
12832 }
12833 }
12834 }
12835 return ret;
12836 }
12837#endif
12838
12839#ifdef TARGET_NR_timer_settime
12840 case TARGET_NR_timer_settime:
12841 {
12842
12843
12844 target_timer_t timerid = get_timer_id(arg1);
12845
12846 if (timerid < 0) {
12847 ret = timerid;
12848 } else if (arg3 == 0) {
12849 ret = -TARGET_EINVAL;
12850 } else {
12851 timer_t htimer = g_posix_timers[timerid];
12852 struct itimerspec hspec_new = {{0},}, hspec_old = {{0},};
12853
12854 if (target_to_host_itimerspec(&hspec_new, arg3)) {
12855 return -TARGET_EFAULT;
12856 }
12857 ret = get_errno(
12858 timer_settime(htimer, arg2, &hspec_new, &hspec_old));
12859 if (arg4 && host_to_target_itimerspec(arg4, &hspec_old)) {
12860 return -TARGET_EFAULT;
12861 }
12862 }
12863 return ret;
12864 }
12865#endif
12866
12867#ifdef TARGET_NR_timer_settime64
12868 case TARGET_NR_timer_settime64:
12869 {
12870 target_timer_t timerid = get_timer_id(arg1);
12871
12872 if (timerid < 0) {
12873 ret = timerid;
12874 } else if (arg3 == 0) {
12875 ret = -TARGET_EINVAL;
12876 } else {
12877 timer_t htimer = g_posix_timers[timerid];
12878 struct itimerspec hspec_new = {{0},}, hspec_old = {{0},};
12879
12880 if (target_to_host_itimerspec64(&hspec_new, arg3)) {
12881 return -TARGET_EFAULT;
12882 }
12883 ret = get_errno(
12884 timer_settime(htimer, arg2, &hspec_new, &hspec_old));
12885 if (arg4 && host_to_target_itimerspec64(arg4, &hspec_old)) {
12886 return -TARGET_EFAULT;
12887 }
12888 }
12889 return ret;
12890 }
12891#endif
12892
12893#ifdef TARGET_NR_timer_gettime
12894 case TARGET_NR_timer_gettime:
12895 {
12896
12897 target_timer_t timerid = get_timer_id(arg1);
12898
12899 if (timerid < 0) {
12900 ret = timerid;
12901 } else if (!arg2) {
12902 ret = -TARGET_EFAULT;
12903 } else {
12904 timer_t htimer = g_posix_timers[timerid];
12905 struct itimerspec hspec;
12906 ret = get_errno(timer_gettime(htimer, &hspec));
12907
12908 if (host_to_target_itimerspec(arg2, &hspec)) {
12909 ret = -TARGET_EFAULT;
12910 }
12911 }
12912 return ret;
12913 }
12914#endif
12915
12916#ifdef TARGET_NR_timer_gettime64
12917 case TARGET_NR_timer_gettime64:
12918 {
12919
12920 target_timer_t timerid = get_timer_id(arg1);
12921
12922 if (timerid < 0) {
12923 ret = timerid;
12924 } else if (!arg2) {
12925 ret = -TARGET_EFAULT;
12926 } else {
12927 timer_t htimer = g_posix_timers[timerid];
12928 struct itimerspec hspec;
12929 ret = get_errno(timer_gettime(htimer, &hspec));
12930
12931 if (host_to_target_itimerspec64(arg2, &hspec)) {
12932 ret = -TARGET_EFAULT;
12933 }
12934 }
12935 return ret;
12936 }
12937#endif
12938
12939#ifdef TARGET_NR_timer_getoverrun
12940 case TARGET_NR_timer_getoverrun:
12941 {
12942
12943 target_timer_t timerid = get_timer_id(arg1);
12944
12945 if (timerid < 0) {
12946 ret = timerid;
12947 } else {
12948 timer_t htimer = g_posix_timers[timerid];
12949 ret = get_errno(timer_getoverrun(htimer));
12950 }
12951 return ret;
12952 }
12953#endif
12954
12955#ifdef TARGET_NR_timer_delete
12956 case TARGET_NR_timer_delete:
12957 {
12958
12959 target_timer_t timerid = get_timer_id(arg1);
12960
12961 if (timerid < 0) {
12962 ret = timerid;
12963 } else {
12964 timer_t htimer = g_posix_timers[timerid];
12965 ret = get_errno(timer_delete(htimer));
12966 g_posix_timers[timerid] = 0;
12967 }
12968 return ret;
12969 }
12970#endif
12971
12972#if defined(TARGET_NR_timerfd_create) && defined(CONFIG_TIMERFD)
12973 case TARGET_NR_timerfd_create:
12974 return get_errno(timerfd_create(arg1,
12975 target_to_host_bitmask(arg2, fcntl_flags_tbl)));
12976#endif
12977
12978#if defined(TARGET_NR_timerfd_gettime) && defined(CONFIG_TIMERFD)
12979 case TARGET_NR_timerfd_gettime:
12980 {
12981 struct itimerspec its_curr;
12982
12983 ret = get_errno(timerfd_gettime(arg1, &its_curr));
12984
12985 if (arg2 && host_to_target_itimerspec(arg2, &its_curr)) {
12986 return -TARGET_EFAULT;
12987 }
12988 }
12989 return ret;
12990#endif
12991
12992#if defined(TARGET_NR_timerfd_gettime64) && defined(CONFIG_TIMERFD)
12993 case TARGET_NR_timerfd_gettime64:
12994 {
12995 struct itimerspec its_curr;
12996
12997 ret = get_errno(timerfd_gettime(arg1, &its_curr));
12998
12999 if (arg2 && host_to_target_itimerspec64(arg2, &its_curr)) {
13000 return -TARGET_EFAULT;
13001 }
13002 }
13003 return ret;
13004#endif
13005
13006#if defined(TARGET_NR_timerfd_settime) && defined(CONFIG_TIMERFD)
13007 case TARGET_NR_timerfd_settime:
13008 {
13009 struct itimerspec its_new, its_old, *p_new;
13010
13011 if (arg3) {
13012 if (target_to_host_itimerspec(&its_new, arg3)) {
13013 return -TARGET_EFAULT;
13014 }
13015 p_new = &its_new;
13016 } else {
13017 p_new = NULL;
13018 }
13019
13020 ret = get_errno(timerfd_settime(arg1, arg2, p_new, &its_old));
13021
13022 if (arg4 && host_to_target_itimerspec(arg4, &its_old)) {
13023 return -TARGET_EFAULT;
13024 }
13025 }
13026 return ret;
13027#endif
13028
13029#if defined(TARGET_NR_timerfd_settime64) && defined(CONFIG_TIMERFD)
13030 case TARGET_NR_timerfd_settime64:
13031 {
13032 struct itimerspec its_new, its_old, *p_new;
13033
13034 if (arg3) {
13035 if (target_to_host_itimerspec64(&its_new, arg3)) {
13036 return -TARGET_EFAULT;
13037 }
13038 p_new = &its_new;
13039 } else {
13040 p_new = NULL;
13041 }
13042
13043 ret = get_errno(timerfd_settime(arg1, arg2, p_new, &its_old));
13044
13045 if (arg4 && host_to_target_itimerspec64(arg4, &its_old)) {
13046 return -TARGET_EFAULT;
13047 }
13048 }
13049 return ret;
13050#endif
13051
13052#if defined(TARGET_NR_ioprio_get) && defined(__NR_ioprio_get)
13053 case TARGET_NR_ioprio_get:
13054 return get_errno(ioprio_get(arg1, arg2));
13055#endif
13056
13057#if defined(TARGET_NR_ioprio_set) && defined(__NR_ioprio_set)
13058 case TARGET_NR_ioprio_set:
13059 return get_errno(ioprio_set(arg1, arg2, arg3));
13060#endif
13061
13062#if defined(TARGET_NR_setns) && defined(CONFIG_SETNS)
13063 case TARGET_NR_setns:
13064 return get_errno(setns(arg1, arg2));
13065#endif
13066#if defined(TARGET_NR_unshare) && defined(CONFIG_SETNS)
13067 case TARGET_NR_unshare:
13068 return get_errno(unshare(arg1));
13069#endif
13070#if defined(TARGET_NR_kcmp) && defined(__NR_kcmp)
13071 case TARGET_NR_kcmp:
13072 return get_errno(kcmp(arg1, arg2, arg3, arg4, arg5));
13073#endif
13074#ifdef TARGET_NR_swapcontext
13075 case TARGET_NR_swapcontext:
13076
13077 return do_swapcontext(cpu_env, arg1, arg2, arg3);
13078#endif
13079#ifdef TARGET_NR_memfd_create
13080 case TARGET_NR_memfd_create:
13081 p = lock_user_string(arg1);
13082 if (!p) {
13083 return -TARGET_EFAULT;
13084 }
13085 ret = get_errno(memfd_create(p, arg2));
13086 fd_trans_unregister(ret);
13087 unlock_user(p, arg1, 0);
13088 return ret;
13089#endif
13090#if defined TARGET_NR_membarrier && defined __NR_membarrier
13091 case TARGET_NR_membarrier:
13092 return get_errno(membarrier(arg1, arg2));
13093#endif
13094
13095#if defined(TARGET_NR_copy_file_range) && defined(__NR_copy_file_range)
13096 case TARGET_NR_copy_file_range:
13097 {
13098 loff_t inoff, outoff;
13099 loff_t *pinoff = NULL, *poutoff = NULL;
13100
13101 if (arg2) {
13102 if (get_user_u64(inoff, arg2)) {
13103 return -TARGET_EFAULT;
13104 }
13105 pinoff = &inoff;
13106 }
13107 if (arg4) {
13108 if (get_user_u64(outoff, arg4)) {
13109 return -TARGET_EFAULT;
13110 }
13111 poutoff = &outoff;
13112 }
13113
13114 ret = get_errno(safe_copy_file_range(arg1, pinoff, arg3, poutoff,
13115 (abi_ulong)arg5, arg6));
13116 if (!is_error(ret) && ret > 0) {
13117 if (arg2) {
13118 if (put_user_u64(inoff, arg2)) {
13119 return -TARGET_EFAULT;
13120 }
13121 }
13122 if (arg4) {
13123 if (put_user_u64(outoff, arg4)) {
13124 return -TARGET_EFAULT;
13125 }
13126 }
13127 }
13128 }
13129 return ret;
13130#endif
13131
13132#if defined(TARGET_NR_pivot_root)
13133 case TARGET_NR_pivot_root:
13134 {
13135 void *p2;
13136 p = lock_user_string(arg1);
13137 p2 = lock_user_string(arg2);
13138 if (!p || !p2) {
13139 ret = -TARGET_EFAULT;
13140 } else {
13141 ret = get_errno(pivot_root(p, p2));
13142 }
13143 unlock_user(p2, arg2, 0);
13144 unlock_user(p, arg1, 0);
13145 }
13146 return ret;
13147#endif
13148
13149 default:
13150 qemu_log_mask(LOG_UNIMP, "Unsupported syscall: %d\n", num);
13151 return -TARGET_ENOSYS;
13152 }
13153 return ret;
13154}
13155
13156abi_long do_syscall(void *cpu_env, int num, abi_long arg1,
13157 abi_long arg2, abi_long arg3, abi_long arg4,
13158 abi_long arg5, abi_long arg6, abi_long arg7,
13159 abi_long arg8)
13160{
13161 CPUState *cpu = env_cpu(cpu_env);
13162 abi_long ret;
13163
13164#ifdef DEBUG_ERESTARTSYS
13165
13166
13167
13168
13169 {
13170 static bool flag;
13171 flag = !flag;
13172 if (flag) {
13173 return -QEMU_ERESTARTSYS;
13174 }
13175 }
13176#endif
13177
13178 record_syscall_start(cpu, num, arg1,
13179 arg2, arg3, arg4, arg5, arg6, arg7, arg8);
13180
13181 if (unlikely(qemu_loglevel_mask(LOG_STRACE))) {
13182 print_syscall(cpu_env, num, arg1, arg2, arg3, arg4, arg5, arg6);
13183 }
13184
13185 ret = do_syscall1(cpu_env, num, arg1, arg2, arg3, arg4,
13186 arg5, arg6, arg7, arg8);
13187
13188 if (unlikely(qemu_loglevel_mask(LOG_STRACE))) {
13189 print_syscall_ret(cpu_env, num, ret, arg1, arg2,
13190 arg3, arg4, arg5, arg6);
13191 }
13192
13193 record_syscall_return(cpu, num, ret);
13194 return ret;
13195}
13196