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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 <elf.h>
24#include <endian.h>
25#include <grp.h>
26#include <sys/ipc.h>
27#include <sys/msg.h>
28#include <sys/wait.h>
29#include <sys/mount.h>
30#include <sys/file.h>
31#include <sys/fsuid.h>
32#include <sys/personality.h>
33#include <sys/prctl.h>
34#include <sys/resource.h>
35#include <sys/swap.h>
36#include <linux/capability.h>
37#include <sched.h>
38#include <sys/timex.h>
39#include <sys/socket.h>
40#include <linux/sockios.h>
41#include <sys/un.h>
42#include <sys/uio.h>
43#include <poll.h>
44#include <sys/times.h>
45#include <sys/shm.h>
46#include <sys/sem.h>
47#include <sys/statfs.h>
48#include <utime.h>
49#include <sys/sysinfo.h>
50#include <sys/signalfd.h>
51
52#include <netinet/ip.h>
53#include <netinet/tcp.h>
54#include <linux/wireless.h>
55#include <linux/icmp.h>
56#include <linux/icmpv6.h>
57#include <linux/errqueue.h>
58#include <linux/random.h>
59#ifdef CONFIG_TIMERFD
60#include <sys/timerfd.h>
61#endif
62#ifdef CONFIG_EVENTFD
63#include <sys/eventfd.h>
64#endif
65#ifdef CONFIG_EPOLL
66#include <sys/epoll.h>
67#endif
68#ifdef CONFIG_ATTR
69#include "qemu/xattr.h"
70#endif
71#ifdef CONFIG_SENDFILE
72#include <sys/sendfile.h>
73#endif
74
75#define termios host_termios
76#define winsize host_winsize
77#define termio host_termio
78#define sgttyb host_sgttyb
79#define tchars host_tchars
80#define ltchars host_ltchars
81
82#include <linux/termios.h>
83#include <linux/unistd.h>
84#include <linux/cdrom.h>
85#include <linux/hdreg.h>
86#include <linux/soundcard.h>
87#include <linux/kd.h>
88#include <linux/mtio.h>
89#include <linux/fs.h>
90#if defined(CONFIG_FIEMAP)
91#include <linux/fiemap.h>
92#endif
93#include <linux/fb.h>
94#if defined(CONFIG_USBFS)
95#include <linux/usbdevice_fs.h>
96#include <linux/usb/ch9.h>
97#endif
98#include <linux/vt.h>
99#include <linux/dm-ioctl.h>
100#include <linux/reboot.h>
101#include <linux/route.h>
102#include <linux/filter.h>
103#include <linux/blkpg.h>
104#include <netpacket/packet.h>
105#include <linux/netlink.h>
106#include <linux/if_alg.h>
107#include "linux_loop.h"
108#include "uname.h"
109
110#include "qemu.h"
111#include "qemu/guest-random.h"
112#include "qapi/error.h"
113#include "fd-trans.h"
114
115#ifndef CLONE_IO
116#define CLONE_IO 0x80000000
117#endif
118
119
120
121
122
123
124
125
126
127
128
129
130#define CLONE_THREAD_FLAGS \
131 (CLONE_VM | CLONE_FS | CLONE_FILES | \
132 CLONE_SIGHAND | CLONE_THREAD | CLONE_SYSVSEM)
133
134
135
136
137
138#define CLONE_IGNORED_FLAGS \
139 (CLONE_DETACHED | CLONE_IO)
140
141
142#define CLONE_OPTIONAL_FORK_FLAGS \
143 (CLONE_SETTLS | CLONE_PARENT_SETTID | \
144 CLONE_CHILD_CLEARTID | CLONE_CHILD_SETTID)
145
146
147#define CLONE_OPTIONAL_THREAD_FLAGS \
148 (CLONE_SETTLS | CLONE_PARENT_SETTID | \
149 CLONE_CHILD_CLEARTID | CLONE_CHILD_SETTID | CLONE_PARENT)
150
151#define CLONE_INVALID_FORK_FLAGS \
152 (~(CSIGNAL | CLONE_OPTIONAL_FORK_FLAGS | CLONE_IGNORED_FLAGS))
153
154#define CLONE_INVALID_THREAD_FLAGS \
155 (~(CSIGNAL | CLONE_THREAD_FLAGS | CLONE_OPTIONAL_THREAD_FLAGS | \
156 CLONE_IGNORED_FLAGS))
157
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169
170
171
172#define VFAT_IOCTL_READDIR_BOTH _IOR('r', 1, struct linux_dirent [2])
173#define VFAT_IOCTL_READDIR_SHORT _IOR('r', 2, struct linux_dirent [2])
174
175#undef _syscall0
176#undef _syscall1
177#undef _syscall2
178#undef _syscall3
179#undef _syscall4
180#undef _syscall5
181#undef _syscall6
182
183#define _syscall0(type,name) \
184static type name (void) \
185{ \
186 return syscall(__NR_##name); \
187}
188
189#define _syscall1(type,name,type1,arg1) \
190static type name (type1 arg1) \
191{ \
192 return syscall(__NR_##name, arg1); \
193}
194
195#define _syscall2(type,name,type1,arg1,type2,arg2) \
196static type name (type1 arg1,type2 arg2) \
197{ \
198 return syscall(__NR_##name, arg1, arg2); \
199}
200
201#define _syscall3(type,name,type1,arg1,type2,arg2,type3,arg3) \
202static type name (type1 arg1,type2 arg2,type3 arg3) \
203{ \
204 return syscall(__NR_##name, arg1, arg2, arg3); \
205}
206
207#define _syscall4(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4) \
208static type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4) \
209{ \
210 return syscall(__NR_##name, arg1, arg2, arg3, arg4); \
211}
212
213#define _syscall5(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4, \
214 type5,arg5) \
215static type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4,type5 arg5) \
216{ \
217 return syscall(__NR_##name, arg1, arg2, arg3, arg4, arg5); \
218}
219
220
221#define _syscall6(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4, \
222 type5,arg5,type6,arg6) \
223static type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4,type5 arg5, \
224 type6 arg6) \
225{ \
226 return syscall(__NR_##name, arg1, arg2, arg3, arg4, arg5, arg6); \
227}
228
229
230#define __NR_sys_uname __NR_uname
231#define __NR_sys_getcwd1 __NR_getcwd
232#define __NR_sys_getdents __NR_getdents
233#define __NR_sys_getdents64 __NR_getdents64
234#define __NR_sys_getpriority __NR_getpriority
235#define __NR_sys_rt_sigqueueinfo __NR_rt_sigqueueinfo
236#define __NR_sys_rt_tgsigqueueinfo __NR_rt_tgsigqueueinfo
237#define __NR_sys_syslog __NR_syslog
238#define __NR_sys_futex __NR_futex
239#define __NR_sys_inotify_init __NR_inotify_init
240#define __NR_sys_inotify_add_watch __NR_inotify_add_watch
241#define __NR_sys_inotify_rm_watch __NR_inotify_rm_watch
242#define __NR_sys_statx __NR_statx
243
244#if defined(__alpha__) || defined(__x86_64__) || defined(__s390x__)
245#define __NR__llseek __NR_lseek
246#endif
247
248
249#if defined(TARGET_NR_llseek) && !defined(TARGET_NR__llseek)
250#define TARGET_NR__llseek TARGET_NR_llseek
251#endif
252
253#define __NR_sys_gettid __NR_gettid
254_syscall0(int, sys_gettid)
255
256
257
258
259
260
261
262#if defined(__NR_getdents) && HOST_LONG_BITS >= TARGET_ABI_BITS
263#define EMULATE_GETDENTS_WITH_GETDENTS
264#endif
265
266#if defined(TARGET_NR_getdents) && defined(EMULATE_GETDENTS_WITH_GETDENTS)
267_syscall3(int, sys_getdents, uint, fd, struct linux_dirent *, dirp, uint, count);
268#endif
269#if (defined(TARGET_NR_getdents) && \
270 !defined(EMULATE_GETDENTS_WITH_GETDENTS)) || \
271 (defined(TARGET_NR_getdents64) && defined(__NR_getdents64))
272_syscall3(int, sys_getdents64, uint, fd, struct linux_dirent64 *, dirp, uint, count);
273#endif
274#if defined(TARGET_NR__llseek) && defined(__NR_llseek)
275_syscall5(int, _llseek, uint, fd, ulong, hi, ulong, lo,
276 loff_t *, res, uint, wh);
277#endif
278_syscall3(int, sys_rt_sigqueueinfo, pid_t, pid, int, sig, siginfo_t *, uinfo)
279_syscall4(int, sys_rt_tgsigqueueinfo, pid_t, pid, pid_t, tid, int, sig,
280 siginfo_t *, uinfo)
281_syscall3(int,sys_syslog,int,type,char*,bufp,int,len)
282#ifdef __NR_exit_group
283_syscall1(int,exit_group,int,error_code)
284#endif
285#if defined(TARGET_NR_set_tid_address) && defined(__NR_set_tid_address)
286_syscall1(int,set_tid_address,int *,tidptr)
287#endif
288#if defined(TARGET_NR_futex) && defined(__NR_futex)
289_syscall6(int,sys_futex,int *,uaddr,int,op,int,val,
290 const struct timespec *,timeout,int *,uaddr2,int,val3)
291#endif
292#define __NR_sys_sched_getaffinity __NR_sched_getaffinity
293_syscall3(int, sys_sched_getaffinity, pid_t, pid, unsigned int, len,
294 unsigned long *, user_mask_ptr);
295#define __NR_sys_sched_setaffinity __NR_sched_setaffinity
296_syscall3(int, sys_sched_setaffinity, pid_t, pid, unsigned int, len,
297 unsigned long *, user_mask_ptr);
298#define __NR_sys_getcpu __NR_getcpu
299_syscall3(int, sys_getcpu, unsigned *, cpu, unsigned *, node, void *, tcache);
300_syscall4(int, reboot, int, magic1, int, magic2, unsigned int, cmd,
301 void *, arg);
302_syscall2(int, capget, struct __user_cap_header_struct *, header,
303 struct __user_cap_data_struct *, data);
304_syscall2(int, capset, struct __user_cap_header_struct *, header,
305 struct __user_cap_data_struct *, data);
306#if defined(TARGET_NR_ioprio_get) && defined(__NR_ioprio_get)
307_syscall2(int, ioprio_get, int, which, int, who)
308#endif
309#if defined(TARGET_NR_ioprio_set) && defined(__NR_ioprio_set)
310_syscall3(int, ioprio_set, int, which, int, who, int, ioprio)
311#endif
312#if defined(TARGET_NR_getrandom) && defined(__NR_getrandom)
313_syscall3(int, getrandom, void *, buf, size_t, buflen, unsigned int, flags)
314#endif
315
316#if defined(TARGET_NR_kcmp) && defined(__NR_kcmp)
317_syscall5(int, kcmp, pid_t, pid1, pid_t, pid2, int, type,
318 unsigned long, idx1, unsigned long, idx2)
319#endif
320
321
322
323
324#if defined(TARGET_NR_statx) && defined(__NR_statx)
325_syscall5(int, sys_statx, int, dirfd, const char *, pathname, int, flags,
326 unsigned int, mask, struct target_statx *, statxbuf)
327#endif
328
329static bitmask_transtbl fcntl_flags_tbl[] = {
330 { TARGET_O_ACCMODE, TARGET_O_WRONLY, O_ACCMODE, O_WRONLY, },
331 { TARGET_O_ACCMODE, TARGET_O_RDWR, O_ACCMODE, O_RDWR, },
332 { TARGET_O_CREAT, TARGET_O_CREAT, O_CREAT, O_CREAT, },
333 { TARGET_O_EXCL, TARGET_O_EXCL, O_EXCL, O_EXCL, },
334 { TARGET_O_NOCTTY, TARGET_O_NOCTTY, O_NOCTTY, O_NOCTTY, },
335 { TARGET_O_TRUNC, TARGET_O_TRUNC, O_TRUNC, O_TRUNC, },
336 { TARGET_O_APPEND, TARGET_O_APPEND, O_APPEND, O_APPEND, },
337 { TARGET_O_NONBLOCK, TARGET_O_NONBLOCK, O_NONBLOCK, O_NONBLOCK, },
338 { TARGET_O_SYNC, TARGET_O_DSYNC, O_SYNC, O_DSYNC, },
339 { TARGET_O_SYNC, TARGET_O_SYNC, O_SYNC, O_SYNC, },
340 { TARGET_FASYNC, TARGET_FASYNC, FASYNC, FASYNC, },
341 { TARGET_O_DIRECTORY, TARGET_O_DIRECTORY, O_DIRECTORY, O_DIRECTORY, },
342 { TARGET_O_NOFOLLOW, TARGET_O_NOFOLLOW, O_NOFOLLOW, O_NOFOLLOW, },
343#if defined(O_DIRECT)
344 { TARGET_O_DIRECT, TARGET_O_DIRECT, O_DIRECT, O_DIRECT, },
345#endif
346#if defined(O_NOATIME)
347 { TARGET_O_NOATIME, TARGET_O_NOATIME, O_NOATIME, O_NOATIME },
348#endif
349#if defined(O_CLOEXEC)
350 { TARGET_O_CLOEXEC, TARGET_O_CLOEXEC, O_CLOEXEC, O_CLOEXEC },
351#endif
352#if defined(O_PATH)
353 { TARGET_O_PATH, TARGET_O_PATH, O_PATH, O_PATH },
354#endif
355#if defined(O_TMPFILE)
356 { TARGET_O_TMPFILE, TARGET_O_TMPFILE, O_TMPFILE, O_TMPFILE },
357#endif
358
359#if TARGET_O_LARGEFILE != 0 || O_LARGEFILE != 0
360 { TARGET_O_LARGEFILE, TARGET_O_LARGEFILE, O_LARGEFILE, O_LARGEFILE, },
361#endif
362 { 0, 0, 0, 0 }
363};
364
365static int sys_getcwd1(char *buf, size_t size)
366{
367 if (getcwd(buf, size) == NULL) {
368
369 return (-1);
370 }
371 return strlen(buf)+1;
372}
373
374#ifdef TARGET_NR_utimensat
375#if defined(__NR_utimensat)
376#define __NR_sys_utimensat __NR_utimensat
377_syscall4(int,sys_utimensat,int,dirfd,const char *,pathname,
378 const struct timespec *,tsp,int,flags)
379#else
380static int sys_utimensat(int dirfd, const char *pathname,
381 const struct timespec times[2], int flags)
382{
383 errno = ENOSYS;
384 return -1;
385}
386#endif
387#endif
388
389#ifdef TARGET_NR_renameat2
390#if defined(__NR_renameat2)
391#define __NR_sys_renameat2 __NR_renameat2
392_syscall5(int, sys_renameat2, int, oldfd, const char *, old, int, newfd,
393 const char *, new, unsigned int, flags)
394#else
395static int sys_renameat2(int oldfd, const char *old,
396 int newfd, const char *new, int flags)
397{
398 if (flags == 0) {
399 return renameat(oldfd, old, newfd, new);
400 }
401 errno = ENOSYS;
402 return -1;
403}
404#endif
405#endif
406
407#ifdef CONFIG_INOTIFY
408#include <sys/inotify.h>
409
410#if defined(TARGET_NR_inotify_init) && defined(__NR_inotify_init)
411static int sys_inotify_init(void)
412{
413 return (inotify_init());
414}
415#endif
416#if defined(TARGET_NR_inotify_add_watch) && defined(__NR_inotify_add_watch)
417static int sys_inotify_add_watch(int fd,const char *pathname, int32_t mask)
418{
419 return (inotify_add_watch(fd, pathname, mask));
420}
421#endif
422#if defined(TARGET_NR_inotify_rm_watch) && defined(__NR_inotify_rm_watch)
423static int sys_inotify_rm_watch(int fd, int32_t wd)
424{
425 return (inotify_rm_watch(fd, wd));
426}
427#endif
428#ifdef CONFIG_INOTIFY1
429#if defined(TARGET_NR_inotify_init1) && defined(__NR_inotify_init1)
430static int sys_inotify_init1(int flags)
431{
432 return (inotify_init1(flags));
433}
434#endif
435#endif
436#else
437
438#undef TARGET_NR_inotify_init
439#undef TARGET_NR_inotify_init1
440#undef TARGET_NR_inotify_add_watch
441#undef TARGET_NR_inotify_rm_watch
442#endif
443
444#if defined(TARGET_NR_prlimit64)
445#ifndef __NR_prlimit64
446# define __NR_prlimit64 -1
447#endif
448#define __NR_sys_prlimit64 __NR_prlimit64
449
450struct host_rlimit64 {
451 uint64_t rlim_cur;
452 uint64_t rlim_max;
453};
454_syscall4(int, sys_prlimit64, pid_t, pid, int, resource,
455 const struct host_rlimit64 *, new_limit,
456 struct host_rlimit64 *, old_limit)
457#endif
458
459
460#if defined(TARGET_NR_timer_create)
461
462static timer_t g_posix_timers[32] = { 0, } ;
463
464static inline int next_free_host_timer(void)
465{
466 int k ;
467
468 for (k = 0; k < ARRAY_SIZE(g_posix_timers); k++) {
469 if (g_posix_timers[k] == 0) {
470 g_posix_timers[k] = (timer_t) 1;
471 return k;
472 }
473 }
474 return -1;
475}
476#endif
477
478
479#ifdef TARGET_ARM
480static inline int regpairs_aligned(void *cpu_env, int num)
481{
482 return ((((CPUARMState *)cpu_env)->eabi) == 1) ;
483}
484#elif defined(TARGET_MIPS) && (TARGET_ABI_BITS == 32)
485static inline int regpairs_aligned(void *cpu_env, int num) { return 1; }
486#elif defined(TARGET_PPC) && !defined(TARGET_PPC64)
487
488
489
490static inline int regpairs_aligned(void *cpu_env, int num) { return 1; }
491#elif defined(TARGET_SH4)
492
493static inline int regpairs_aligned(void *cpu_env, int num)
494{
495 switch (num) {
496 case TARGET_NR_pread64:
497 case TARGET_NR_pwrite64:
498 return 1;
499
500 default:
501 return 0;
502 }
503}
504#elif defined(TARGET_XTENSA)
505static inline int regpairs_aligned(void *cpu_env, int num) { return 1; }
506#else
507static inline int regpairs_aligned(void *cpu_env, int num) { return 0; }
508#endif
509
510#define ERRNO_TABLE_SIZE 1200
511
512
513
514static uint16_t target_to_host_errno_table[ERRNO_TABLE_SIZE] = {
515};
516
517
518
519
520
521static uint16_t host_to_target_errno_table[ERRNO_TABLE_SIZE] = {
522 [EAGAIN] = TARGET_EAGAIN,
523 [EIDRM] = TARGET_EIDRM,
524 [ECHRNG] = TARGET_ECHRNG,
525 [EL2NSYNC] = TARGET_EL2NSYNC,
526 [EL3HLT] = TARGET_EL3HLT,
527 [EL3RST] = TARGET_EL3RST,
528 [ELNRNG] = TARGET_ELNRNG,
529 [EUNATCH] = TARGET_EUNATCH,
530 [ENOCSI] = TARGET_ENOCSI,
531 [EL2HLT] = TARGET_EL2HLT,
532 [EDEADLK] = TARGET_EDEADLK,
533 [ENOLCK] = TARGET_ENOLCK,
534 [EBADE] = TARGET_EBADE,
535 [EBADR] = TARGET_EBADR,
536 [EXFULL] = TARGET_EXFULL,
537 [ENOANO] = TARGET_ENOANO,
538 [EBADRQC] = TARGET_EBADRQC,
539 [EBADSLT] = TARGET_EBADSLT,
540 [EBFONT] = TARGET_EBFONT,
541 [ENOSTR] = TARGET_ENOSTR,
542 [ENODATA] = TARGET_ENODATA,
543 [ETIME] = TARGET_ETIME,
544 [ENOSR] = TARGET_ENOSR,
545 [ENONET] = TARGET_ENONET,
546 [ENOPKG] = TARGET_ENOPKG,
547 [EREMOTE] = TARGET_EREMOTE,
548 [ENOLINK] = TARGET_ENOLINK,
549 [EADV] = TARGET_EADV,
550 [ESRMNT] = TARGET_ESRMNT,
551 [ECOMM] = TARGET_ECOMM,
552 [EPROTO] = TARGET_EPROTO,
553 [EDOTDOT] = TARGET_EDOTDOT,
554 [EMULTIHOP] = TARGET_EMULTIHOP,
555 [EBADMSG] = TARGET_EBADMSG,
556 [ENAMETOOLONG] = TARGET_ENAMETOOLONG,
557 [EOVERFLOW] = TARGET_EOVERFLOW,
558 [ENOTUNIQ] = TARGET_ENOTUNIQ,
559 [EBADFD] = TARGET_EBADFD,
560 [EREMCHG] = TARGET_EREMCHG,
561 [ELIBACC] = TARGET_ELIBACC,
562 [ELIBBAD] = TARGET_ELIBBAD,
563 [ELIBSCN] = TARGET_ELIBSCN,
564 [ELIBMAX] = TARGET_ELIBMAX,
565 [ELIBEXEC] = TARGET_ELIBEXEC,
566 [EILSEQ] = TARGET_EILSEQ,
567 [ENOSYS] = TARGET_ENOSYS,
568 [ELOOP] = TARGET_ELOOP,
569 [ERESTART] = TARGET_ERESTART,
570 [ESTRPIPE] = TARGET_ESTRPIPE,
571 [ENOTEMPTY] = TARGET_ENOTEMPTY,
572 [EUSERS] = TARGET_EUSERS,
573 [ENOTSOCK] = TARGET_ENOTSOCK,
574 [EDESTADDRREQ] = TARGET_EDESTADDRREQ,
575 [EMSGSIZE] = TARGET_EMSGSIZE,
576 [EPROTOTYPE] = TARGET_EPROTOTYPE,
577 [ENOPROTOOPT] = TARGET_ENOPROTOOPT,
578 [EPROTONOSUPPORT] = TARGET_EPROTONOSUPPORT,
579 [ESOCKTNOSUPPORT] = TARGET_ESOCKTNOSUPPORT,
580 [EOPNOTSUPP] = TARGET_EOPNOTSUPP,
581 [EPFNOSUPPORT] = TARGET_EPFNOSUPPORT,
582 [EAFNOSUPPORT] = TARGET_EAFNOSUPPORT,
583 [EADDRINUSE] = TARGET_EADDRINUSE,
584 [EADDRNOTAVAIL] = TARGET_EADDRNOTAVAIL,
585 [ENETDOWN] = TARGET_ENETDOWN,
586 [ENETUNREACH] = TARGET_ENETUNREACH,
587 [ENETRESET] = TARGET_ENETRESET,
588 [ECONNABORTED] = TARGET_ECONNABORTED,
589 [ECONNRESET] = TARGET_ECONNRESET,
590 [ENOBUFS] = TARGET_ENOBUFS,
591 [EISCONN] = TARGET_EISCONN,
592 [ENOTCONN] = TARGET_ENOTCONN,
593 [EUCLEAN] = TARGET_EUCLEAN,
594 [ENOTNAM] = TARGET_ENOTNAM,
595 [ENAVAIL] = TARGET_ENAVAIL,
596 [EISNAM] = TARGET_EISNAM,
597 [EREMOTEIO] = TARGET_EREMOTEIO,
598 [EDQUOT] = TARGET_EDQUOT,
599 [ESHUTDOWN] = TARGET_ESHUTDOWN,
600 [ETOOMANYREFS] = TARGET_ETOOMANYREFS,
601 [ETIMEDOUT] = TARGET_ETIMEDOUT,
602 [ECONNREFUSED] = TARGET_ECONNREFUSED,
603 [EHOSTDOWN] = TARGET_EHOSTDOWN,
604 [EHOSTUNREACH] = TARGET_EHOSTUNREACH,
605 [EALREADY] = TARGET_EALREADY,
606 [EINPROGRESS] = TARGET_EINPROGRESS,
607 [ESTALE] = TARGET_ESTALE,
608 [ECANCELED] = TARGET_ECANCELED,
609 [ENOMEDIUM] = TARGET_ENOMEDIUM,
610 [EMEDIUMTYPE] = TARGET_EMEDIUMTYPE,
611#ifdef ENOKEY
612 [ENOKEY] = TARGET_ENOKEY,
613#endif
614#ifdef EKEYEXPIRED
615 [EKEYEXPIRED] = TARGET_EKEYEXPIRED,
616#endif
617#ifdef EKEYREVOKED
618 [EKEYREVOKED] = TARGET_EKEYREVOKED,
619#endif
620#ifdef EKEYREJECTED
621 [EKEYREJECTED] = TARGET_EKEYREJECTED,
622#endif
623#ifdef EOWNERDEAD
624 [EOWNERDEAD] = TARGET_EOWNERDEAD,
625#endif
626#ifdef ENOTRECOVERABLE
627 [ENOTRECOVERABLE] = TARGET_ENOTRECOVERABLE,
628#endif
629#ifdef ENOMSG
630 [ENOMSG] = TARGET_ENOMSG,
631#endif
632#ifdef ERKFILL
633 [ERFKILL] = TARGET_ERFKILL,
634#endif
635#ifdef EHWPOISON
636 [EHWPOISON] = TARGET_EHWPOISON,
637#endif
638};
639
640static inline int host_to_target_errno(int err)
641{
642 if (err >= 0 && err < ERRNO_TABLE_SIZE &&
643 host_to_target_errno_table[err]) {
644 return host_to_target_errno_table[err];
645 }
646 return err;
647}
648
649static inline int target_to_host_errno(int err)
650{
651 if (err >= 0 && err < ERRNO_TABLE_SIZE &&
652 target_to_host_errno_table[err]) {
653 return target_to_host_errno_table[err];
654 }
655 return err;
656}
657
658static inline abi_long get_errno(abi_long ret)
659{
660 if (ret == -1)
661 return -host_to_target_errno(errno);
662 else
663 return ret;
664}
665
666const char *target_strerror(int err)
667{
668 if (err == TARGET_ERESTARTSYS) {
669 return "To be restarted";
670 }
671 if (err == TARGET_QEMU_ESIGRETURN) {
672 return "Successful exit from sigreturn";
673 }
674
675 if ((err >= ERRNO_TABLE_SIZE) || (err < 0)) {
676 return NULL;
677 }
678 return strerror(target_to_host_errno(err));
679}
680
681#define safe_syscall0(type, name) \
682static type safe_##name(void) \
683{ \
684 return safe_syscall(__NR_##name); \
685}
686
687#define safe_syscall1(type, name, type1, arg1) \
688static type safe_##name(type1 arg1) \
689{ \
690 return safe_syscall(__NR_##name, arg1); \
691}
692
693#define safe_syscall2(type, name, type1, arg1, type2, arg2) \
694static type safe_##name(type1 arg1, type2 arg2) \
695{ \
696 return safe_syscall(__NR_##name, arg1, arg2); \
697}
698
699#define safe_syscall3(type, name, type1, arg1, type2, arg2, type3, arg3) \
700static type safe_##name(type1 arg1, type2 arg2, type3 arg3) \
701{ \
702 return safe_syscall(__NR_##name, arg1, arg2, arg3); \
703}
704
705#define safe_syscall4(type, name, type1, arg1, type2, arg2, type3, arg3, \
706 type4, arg4) \
707static type safe_##name(type1 arg1, type2 arg2, type3 arg3, type4 arg4) \
708{ \
709 return safe_syscall(__NR_##name, arg1, arg2, arg3, arg4); \
710}
711
712#define safe_syscall5(type, name, type1, arg1, type2, arg2, type3, arg3, \
713 type4, arg4, type5, arg5) \
714static type safe_##name(type1 arg1, type2 arg2, type3 arg3, type4 arg4, \
715 type5 arg5) \
716{ \
717 return safe_syscall(__NR_##name, arg1, arg2, arg3, arg4, arg5); \
718}
719
720#define safe_syscall6(type, name, type1, arg1, type2, arg2, type3, arg3, \
721 type4, arg4, type5, arg5, type6, arg6) \
722static type safe_##name(type1 arg1, type2 arg2, type3 arg3, type4 arg4, \
723 type5 arg5, type6 arg6) \
724{ \
725 return safe_syscall(__NR_##name, arg1, arg2, arg3, arg4, arg5, arg6); \
726}
727
728safe_syscall3(ssize_t, read, int, fd, void *, buff, size_t, count)
729safe_syscall3(ssize_t, write, int, fd, const void *, buff, size_t, count)
730safe_syscall4(int, openat, int, dirfd, const char *, pathname, \
731 int, flags, mode_t, mode)
732safe_syscall4(pid_t, wait4, pid_t, pid, int *, status, int, options, \
733 struct rusage *, rusage)
734safe_syscall5(int, waitid, idtype_t, idtype, id_t, id, siginfo_t *, infop, \
735 int, options, struct rusage *, rusage)
736safe_syscall3(int, execve, const char *, filename, char **, argv, char **, envp)
737safe_syscall6(int, pselect6, int, nfds, fd_set *, readfds, fd_set *, writefds, \
738 fd_set *, exceptfds, struct timespec *, timeout, void *, sig)
739safe_syscall5(int, ppoll, struct pollfd *, ufds, unsigned int, nfds,
740 struct timespec *, tsp, const sigset_t *, sigmask,
741 size_t, sigsetsize)
742safe_syscall6(int, epoll_pwait, int, epfd, struct epoll_event *, events,
743 int, maxevents, int, timeout, const sigset_t *, sigmask,
744 size_t, sigsetsize)
745safe_syscall6(int,futex,int *,uaddr,int,op,int,val, \
746 const struct timespec *,timeout,int *,uaddr2,int,val3)
747safe_syscall2(int, rt_sigsuspend, sigset_t *, newset, size_t, sigsetsize)
748safe_syscall2(int, kill, pid_t, pid, int, sig)
749safe_syscall2(int, tkill, int, tid, int, sig)
750safe_syscall3(int, tgkill, int, tgid, int, pid, int, sig)
751safe_syscall3(ssize_t, readv, int, fd, const struct iovec *, iov, int, iovcnt)
752safe_syscall3(ssize_t, writev, int, fd, const struct iovec *, iov, int, iovcnt)
753safe_syscall5(ssize_t, preadv, int, fd, const struct iovec *, iov, int, iovcnt,
754 unsigned long, pos_l, unsigned long, pos_h)
755safe_syscall5(ssize_t, pwritev, int, fd, const struct iovec *, iov, int, iovcnt,
756 unsigned long, pos_l, unsigned long, pos_h)
757safe_syscall3(int, connect, int, fd, const struct sockaddr *, addr,
758 socklen_t, addrlen)
759safe_syscall6(ssize_t, sendto, int, fd, const void *, buf, size_t, len,
760 int, flags, const struct sockaddr *, addr, socklen_t, addrlen)
761safe_syscall6(ssize_t, recvfrom, int, fd, void *, buf, size_t, len,
762 int, flags, struct sockaddr *, addr, socklen_t *, addrlen)
763safe_syscall3(ssize_t, sendmsg, int, fd, const struct msghdr *, msg, int, flags)
764safe_syscall3(ssize_t, recvmsg, int, fd, struct msghdr *, msg, int, flags)
765safe_syscall2(int, flock, int, fd, int, operation)
766safe_syscall4(int, rt_sigtimedwait, const sigset_t *, these, siginfo_t *, uinfo,
767 const struct timespec *, uts, size_t, sigsetsize)
768safe_syscall4(int, accept4, int, fd, struct sockaddr *, addr, socklen_t *, len,
769 int, flags)
770safe_syscall2(int, nanosleep, const struct timespec *, req,
771 struct timespec *, rem)
772#ifdef TARGET_NR_clock_nanosleep
773safe_syscall4(int, clock_nanosleep, const clockid_t, clock, int, flags,
774 const struct timespec *, req, struct timespec *, rem)
775#endif
776#ifdef __NR_ipc
777safe_syscall6(int, ipc, int, call, long, first, long, second, long, third,
778 void *, ptr, long, fifth)
779#endif
780#ifdef __NR_msgsnd
781safe_syscall4(int, msgsnd, int, msgid, const void *, msgp, size_t, sz,
782 int, flags)
783#endif
784#ifdef __NR_msgrcv
785safe_syscall5(int, msgrcv, int, msgid, void *, msgp, size_t, sz,
786 long, msgtype, int, flags)
787#endif
788#ifdef __NR_semtimedop
789safe_syscall4(int, semtimedop, int, semid, struct sembuf *, tsops,
790 unsigned, nsops, const struct timespec *, timeout)
791#endif
792#if defined(TARGET_NR_mq_open) && defined(__NR_mq_open)
793safe_syscall5(int, mq_timedsend, int, mqdes, const char *, msg_ptr,
794 size_t, len, unsigned, prio, const struct timespec *, timeout)
795safe_syscall5(int, mq_timedreceive, int, mqdes, char *, msg_ptr,
796 size_t, len, unsigned *, prio, const struct timespec *, timeout)
797#endif
798
799
800
801
802#define safe_ioctl(...) safe_syscall(__NR_ioctl, __VA_ARGS__)
803
804
805
806
807
808#ifdef __NR_fcntl64
809#define safe_fcntl(...) safe_syscall(__NR_fcntl64, __VA_ARGS__)
810#else
811#define safe_fcntl(...) safe_syscall(__NR_fcntl, __VA_ARGS__)
812#endif
813
814static inline int host_to_target_sock_type(int host_type)
815{
816 int target_type;
817
818 switch (host_type & 0xf ) {
819 case SOCK_DGRAM:
820 target_type = TARGET_SOCK_DGRAM;
821 break;
822 case SOCK_STREAM:
823 target_type = TARGET_SOCK_STREAM;
824 break;
825 default:
826 target_type = host_type & 0xf ;
827 break;
828 }
829
830#if defined(SOCK_CLOEXEC)
831 if (host_type & SOCK_CLOEXEC) {
832 target_type |= TARGET_SOCK_CLOEXEC;
833 }
834#endif
835
836#if defined(SOCK_NONBLOCK)
837 if (host_type & SOCK_NONBLOCK) {
838 target_type |= TARGET_SOCK_NONBLOCK;
839 }
840#endif
841
842 return target_type;
843}
844
845static abi_ulong target_brk;
846static abi_ulong target_original_brk;
847static abi_ulong brk_page;
848
849void target_set_brk(abi_ulong new_brk)
850{
851 target_original_brk = target_brk = HOST_PAGE_ALIGN(new_brk);
852 brk_page = HOST_PAGE_ALIGN(target_brk);
853}
854
855
856#define DEBUGF_BRK(message, args...)
857
858
859abi_long do_brk(abi_ulong new_brk)
860{
861 abi_long mapped_addr;
862 abi_ulong new_alloc_size;
863
864 DEBUGF_BRK("do_brk(" TARGET_ABI_FMT_lx ") -> ", new_brk);
865
866 if (!new_brk) {
867 DEBUGF_BRK(TARGET_ABI_FMT_lx " (!new_brk)\n", target_brk);
868 return target_brk;
869 }
870 if (new_brk < target_original_brk) {
871 DEBUGF_BRK(TARGET_ABI_FMT_lx " (new_brk < target_original_brk)\n",
872 target_brk);
873 return target_brk;
874 }
875
876
877
878 if (new_brk <= brk_page) {
879
880
881 if (new_brk > target_brk) {
882 memset(g2h(target_brk), 0, new_brk - target_brk);
883 }
884 target_brk = new_brk;
885 DEBUGF_BRK(TARGET_ABI_FMT_lx " (new_brk <= brk_page)\n", target_brk);
886 return target_brk;
887 }
888
889
890
891
892
893
894
895 new_alloc_size = HOST_PAGE_ALIGN(new_brk - brk_page);
896 mapped_addr = get_errno(target_mmap(brk_page, new_alloc_size,
897 PROT_READ|PROT_WRITE,
898 MAP_ANON|MAP_PRIVATE, 0, 0));
899
900 if (mapped_addr == brk_page) {
901
902
903
904
905
906
907
908 memset(g2h(target_brk), 0, brk_page - target_brk);
909
910 target_brk = new_brk;
911 brk_page = HOST_PAGE_ALIGN(target_brk);
912 DEBUGF_BRK(TARGET_ABI_FMT_lx " (mapped_addr == brk_page)\n",
913 target_brk);
914 return target_brk;
915 } else if (mapped_addr != -1) {
916
917
918
919 target_munmap(mapped_addr, new_alloc_size);
920 mapped_addr = -1;
921 DEBUGF_BRK(TARGET_ABI_FMT_lx " (mapped_addr != -1)\n", target_brk);
922 }
923 else {
924 DEBUGF_BRK(TARGET_ABI_FMT_lx " (otherwise)\n", target_brk);
925 }
926
927#if defined(TARGET_ALPHA)
928
929
930 return -TARGET_ENOMEM;
931#endif
932
933 return target_brk;
934}
935
936static inline abi_long copy_from_user_fdset(fd_set *fds,
937 abi_ulong target_fds_addr,
938 int n)
939{
940 int i, nw, j, k;
941 abi_ulong b, *target_fds;
942
943 nw = DIV_ROUND_UP(n, TARGET_ABI_BITS);
944 if (!(target_fds = lock_user(VERIFY_READ,
945 target_fds_addr,
946 sizeof(abi_ulong) * nw,
947 1)))
948 return -TARGET_EFAULT;
949
950 FD_ZERO(fds);
951 k = 0;
952 for (i = 0; i < nw; i++) {
953
954 __get_user(b, &target_fds[i]);
955 for (j = 0; j < TARGET_ABI_BITS; j++) {
956
957 if ((b >> j) & 1)
958 FD_SET(k, fds);
959 k++;
960 }
961 }
962
963 unlock_user(target_fds, target_fds_addr, 0);
964
965 return 0;
966}
967
968static inline abi_ulong copy_from_user_fdset_ptr(fd_set *fds, fd_set **fds_ptr,
969 abi_ulong target_fds_addr,
970 int n)
971{
972 if (target_fds_addr) {
973 if (copy_from_user_fdset(fds, target_fds_addr, n))
974 return -TARGET_EFAULT;
975 *fds_ptr = fds;
976 } else {
977 *fds_ptr = NULL;
978 }
979 return 0;
980}
981
982static inline abi_long copy_to_user_fdset(abi_ulong target_fds_addr,
983 const fd_set *fds,
984 int n)
985{
986 int i, nw, j, k;
987 abi_long v;
988 abi_ulong *target_fds;
989
990 nw = DIV_ROUND_UP(n, TARGET_ABI_BITS);
991 if (!(target_fds = lock_user(VERIFY_WRITE,
992 target_fds_addr,
993 sizeof(abi_ulong) * nw,
994 0)))
995 return -TARGET_EFAULT;
996
997 k = 0;
998 for (i = 0; i < nw; i++) {
999 v = 0;
1000 for (j = 0; j < TARGET_ABI_BITS; j++) {
1001 v |= ((abi_ulong)(FD_ISSET(k, fds) != 0) << j);
1002 k++;
1003 }
1004 __put_user(v, &target_fds[i]);
1005 }
1006
1007 unlock_user(target_fds, target_fds_addr, sizeof(abi_ulong) * nw);
1008
1009 return 0;
1010}
1011
1012#if defined(__alpha__)
1013#define HOST_HZ 1024
1014#else
1015#define HOST_HZ 100
1016#endif
1017
1018static inline abi_long host_to_target_clock_t(long ticks)
1019{
1020#if HOST_HZ == TARGET_HZ
1021 return ticks;
1022#else
1023 return ((int64_t)ticks * TARGET_HZ) / HOST_HZ;
1024#endif
1025}
1026
1027static inline abi_long host_to_target_rusage(abi_ulong target_addr,
1028 const struct rusage *rusage)
1029{
1030 struct target_rusage *target_rusage;
1031
1032 if (!lock_user_struct(VERIFY_WRITE, target_rusage, target_addr, 0))
1033 return -TARGET_EFAULT;
1034 target_rusage->ru_utime.tv_sec = tswapal(rusage->ru_utime.tv_sec);
1035 target_rusage->ru_utime.tv_usec = tswapal(rusage->ru_utime.tv_usec);
1036 target_rusage->ru_stime.tv_sec = tswapal(rusage->ru_stime.tv_sec);
1037 target_rusage->ru_stime.tv_usec = tswapal(rusage->ru_stime.tv_usec);
1038 target_rusage->ru_maxrss = tswapal(rusage->ru_maxrss);
1039 target_rusage->ru_ixrss = tswapal(rusage->ru_ixrss);
1040 target_rusage->ru_idrss = tswapal(rusage->ru_idrss);
1041 target_rusage->ru_isrss = tswapal(rusage->ru_isrss);
1042 target_rusage->ru_minflt = tswapal(rusage->ru_minflt);
1043 target_rusage->ru_majflt = tswapal(rusage->ru_majflt);
1044 target_rusage->ru_nswap = tswapal(rusage->ru_nswap);
1045 target_rusage->ru_inblock = tswapal(rusage->ru_inblock);
1046 target_rusage->ru_oublock = tswapal(rusage->ru_oublock);
1047 target_rusage->ru_msgsnd = tswapal(rusage->ru_msgsnd);
1048 target_rusage->ru_msgrcv = tswapal(rusage->ru_msgrcv);
1049 target_rusage->ru_nsignals = tswapal(rusage->ru_nsignals);
1050 target_rusage->ru_nvcsw = tswapal(rusage->ru_nvcsw);
1051 target_rusage->ru_nivcsw = tswapal(rusage->ru_nivcsw);
1052 unlock_user_struct(target_rusage, target_addr, 1);
1053
1054 return 0;
1055}
1056
1057static inline rlim_t target_to_host_rlim(abi_ulong target_rlim)
1058{
1059 abi_ulong target_rlim_swap;
1060 rlim_t result;
1061
1062 target_rlim_swap = tswapal(target_rlim);
1063 if (target_rlim_swap == TARGET_RLIM_INFINITY)
1064 return RLIM_INFINITY;
1065
1066 result = target_rlim_swap;
1067 if (target_rlim_swap != (rlim_t)result)
1068 return RLIM_INFINITY;
1069
1070 return result;
1071}
1072
1073static inline abi_ulong host_to_target_rlim(rlim_t rlim)
1074{
1075 abi_ulong target_rlim_swap;
1076 abi_ulong result;
1077
1078 if (rlim == RLIM_INFINITY || rlim != (abi_long)rlim)
1079 target_rlim_swap = TARGET_RLIM_INFINITY;
1080 else
1081 target_rlim_swap = rlim;
1082 result = tswapal(target_rlim_swap);
1083
1084 return result;
1085}
1086
1087static inline int target_to_host_resource(int code)
1088{
1089 switch (code) {
1090 case TARGET_RLIMIT_AS:
1091 return RLIMIT_AS;
1092 case TARGET_RLIMIT_CORE:
1093 return RLIMIT_CORE;
1094 case TARGET_RLIMIT_CPU:
1095 return RLIMIT_CPU;
1096 case TARGET_RLIMIT_DATA:
1097 return RLIMIT_DATA;
1098 case TARGET_RLIMIT_FSIZE:
1099 return RLIMIT_FSIZE;
1100 case TARGET_RLIMIT_LOCKS:
1101 return RLIMIT_LOCKS;
1102 case TARGET_RLIMIT_MEMLOCK:
1103 return RLIMIT_MEMLOCK;
1104 case TARGET_RLIMIT_MSGQUEUE:
1105 return RLIMIT_MSGQUEUE;
1106 case TARGET_RLIMIT_NICE:
1107 return RLIMIT_NICE;
1108 case TARGET_RLIMIT_NOFILE:
1109 return RLIMIT_NOFILE;
1110 case TARGET_RLIMIT_NPROC:
1111 return RLIMIT_NPROC;
1112 case TARGET_RLIMIT_RSS:
1113 return RLIMIT_RSS;
1114 case TARGET_RLIMIT_RTPRIO:
1115 return RLIMIT_RTPRIO;
1116 case TARGET_RLIMIT_SIGPENDING:
1117 return RLIMIT_SIGPENDING;
1118 case TARGET_RLIMIT_STACK:
1119 return RLIMIT_STACK;
1120 default:
1121 return code;
1122 }
1123}
1124
1125static inline abi_long copy_from_user_timeval(struct timeval *tv,
1126 abi_ulong target_tv_addr)
1127{
1128 struct target_timeval *target_tv;
1129
1130 if (!lock_user_struct(VERIFY_READ, target_tv, target_tv_addr, 1)) {
1131 return -TARGET_EFAULT;
1132 }
1133
1134 __get_user(tv->tv_sec, &target_tv->tv_sec);
1135 __get_user(tv->tv_usec, &target_tv->tv_usec);
1136
1137 unlock_user_struct(target_tv, target_tv_addr, 0);
1138
1139 return 0;
1140}
1141
1142static inline abi_long copy_to_user_timeval(abi_ulong target_tv_addr,
1143 const struct timeval *tv)
1144{
1145 struct target_timeval *target_tv;
1146
1147 if (!lock_user_struct(VERIFY_WRITE, target_tv, target_tv_addr, 0)) {
1148 return -TARGET_EFAULT;
1149 }
1150
1151 __put_user(tv->tv_sec, &target_tv->tv_sec);
1152 __put_user(tv->tv_usec, &target_tv->tv_usec);
1153
1154 unlock_user_struct(target_tv, target_tv_addr, 1);
1155
1156 return 0;
1157}
1158
1159static inline abi_long copy_to_user_timeval64(abi_ulong target_tv_addr,
1160 const struct timeval *tv)
1161{
1162 struct target__kernel_sock_timeval *target_tv;
1163
1164 if (!lock_user_struct(VERIFY_WRITE, target_tv, target_tv_addr, 0)) {
1165 return -TARGET_EFAULT;
1166 }
1167
1168 __put_user(tv->tv_sec, &target_tv->tv_sec);
1169 __put_user(tv->tv_usec, &target_tv->tv_usec);
1170
1171 unlock_user_struct(target_tv, target_tv_addr, 1);
1172
1173 return 0;
1174}
1175
1176static inline abi_long target_to_host_timespec(struct timespec *host_ts,
1177 abi_ulong target_addr)
1178{
1179 struct target_timespec *target_ts;
1180
1181 if (!lock_user_struct(VERIFY_READ, target_ts, target_addr, 1)) {
1182 return -TARGET_EFAULT;
1183 }
1184 __get_user(host_ts->tv_sec, &target_ts->tv_sec);
1185 __get_user(host_ts->tv_nsec, &target_ts->tv_nsec);
1186 unlock_user_struct(target_ts, target_addr, 0);
1187 return 0;
1188}
1189
1190static inline abi_long host_to_target_timespec(abi_ulong target_addr,
1191 struct timespec *host_ts)
1192{
1193 struct target_timespec *target_ts;
1194
1195 if (!lock_user_struct(VERIFY_WRITE, target_ts, target_addr, 0)) {
1196 return -TARGET_EFAULT;
1197 }
1198 __put_user(host_ts->tv_sec, &target_ts->tv_sec);
1199 __put_user(host_ts->tv_nsec, &target_ts->tv_nsec);
1200 unlock_user_struct(target_ts, target_addr, 1);
1201 return 0;
1202}
1203
1204static inline abi_long host_to_target_timespec64(abi_ulong target_addr,
1205 struct timespec *host_ts)
1206{
1207 struct target__kernel_timespec *target_ts;
1208
1209 if (!lock_user_struct(VERIFY_WRITE, target_ts, target_addr, 0)) {
1210 return -TARGET_EFAULT;
1211 }
1212 __put_user(host_ts->tv_sec, &target_ts->tv_sec);
1213 __put_user(host_ts->tv_nsec, &target_ts->tv_nsec);
1214 unlock_user_struct(target_ts, target_addr, 1);
1215 return 0;
1216}
1217
1218static inline abi_long copy_from_user_timezone(struct timezone *tz,
1219 abi_ulong target_tz_addr)
1220{
1221 struct target_timezone *target_tz;
1222
1223 if (!lock_user_struct(VERIFY_READ, target_tz, target_tz_addr, 1)) {
1224 return -TARGET_EFAULT;
1225 }
1226
1227 __get_user(tz->tz_minuteswest, &target_tz->tz_minuteswest);
1228 __get_user(tz->tz_dsttime, &target_tz->tz_dsttime);
1229
1230 unlock_user_struct(target_tz, target_tz_addr, 0);
1231
1232 return 0;
1233}
1234
1235#if defined(TARGET_NR_mq_open) && defined(__NR_mq_open)
1236#include <mqueue.h>
1237
1238static inline abi_long copy_from_user_mq_attr(struct mq_attr *attr,
1239 abi_ulong target_mq_attr_addr)
1240{
1241 struct target_mq_attr *target_mq_attr;
1242
1243 if (!lock_user_struct(VERIFY_READ, target_mq_attr,
1244 target_mq_attr_addr, 1))
1245 return -TARGET_EFAULT;
1246
1247 __get_user(attr->mq_flags, &target_mq_attr->mq_flags);
1248 __get_user(attr->mq_maxmsg, &target_mq_attr->mq_maxmsg);
1249 __get_user(attr->mq_msgsize, &target_mq_attr->mq_msgsize);
1250 __get_user(attr->mq_curmsgs, &target_mq_attr->mq_curmsgs);
1251
1252 unlock_user_struct(target_mq_attr, target_mq_attr_addr, 0);
1253
1254 return 0;
1255}
1256
1257static inline abi_long copy_to_user_mq_attr(abi_ulong target_mq_attr_addr,
1258 const struct mq_attr *attr)
1259{
1260 struct target_mq_attr *target_mq_attr;
1261
1262 if (!lock_user_struct(VERIFY_WRITE, target_mq_attr,
1263 target_mq_attr_addr, 0))
1264 return -TARGET_EFAULT;
1265
1266 __put_user(attr->mq_flags, &target_mq_attr->mq_flags);
1267 __put_user(attr->mq_maxmsg, &target_mq_attr->mq_maxmsg);
1268 __put_user(attr->mq_msgsize, &target_mq_attr->mq_msgsize);
1269 __put_user(attr->mq_curmsgs, &target_mq_attr->mq_curmsgs);
1270
1271 unlock_user_struct(target_mq_attr, target_mq_attr_addr, 1);
1272
1273 return 0;
1274}
1275#endif
1276
1277#if defined(TARGET_NR_select) || defined(TARGET_NR__newselect)
1278
1279static abi_long do_select(int n,
1280 abi_ulong rfd_addr, abi_ulong wfd_addr,
1281 abi_ulong efd_addr, abi_ulong target_tv_addr)
1282{
1283 fd_set rfds, wfds, efds;
1284 fd_set *rfds_ptr, *wfds_ptr, *efds_ptr;
1285 struct timeval tv;
1286 struct timespec ts, *ts_ptr;
1287 abi_long ret;
1288
1289 ret = copy_from_user_fdset_ptr(&rfds, &rfds_ptr, rfd_addr, n);
1290 if (ret) {
1291 return ret;
1292 }
1293 ret = copy_from_user_fdset_ptr(&wfds, &wfds_ptr, wfd_addr, n);
1294 if (ret) {
1295 return ret;
1296 }
1297 ret = copy_from_user_fdset_ptr(&efds, &efds_ptr, efd_addr, n);
1298 if (ret) {
1299 return ret;
1300 }
1301
1302 if (target_tv_addr) {
1303 if (copy_from_user_timeval(&tv, target_tv_addr))
1304 return -TARGET_EFAULT;
1305 ts.tv_sec = tv.tv_sec;
1306 ts.tv_nsec = tv.tv_usec * 1000;
1307 ts_ptr = &ts;
1308 } else {
1309 ts_ptr = NULL;
1310 }
1311
1312 ret = get_errno(safe_pselect6(n, rfds_ptr, wfds_ptr, efds_ptr,
1313 ts_ptr, NULL));
1314
1315 if (!is_error(ret)) {
1316 if (rfd_addr && copy_to_user_fdset(rfd_addr, &rfds, n))
1317 return -TARGET_EFAULT;
1318 if (wfd_addr && copy_to_user_fdset(wfd_addr, &wfds, n))
1319 return -TARGET_EFAULT;
1320 if (efd_addr && copy_to_user_fdset(efd_addr, &efds, n))
1321 return -TARGET_EFAULT;
1322
1323 if (target_tv_addr) {
1324 tv.tv_sec = ts.tv_sec;
1325 tv.tv_usec = ts.tv_nsec / 1000;
1326 if (copy_to_user_timeval(target_tv_addr, &tv)) {
1327 return -TARGET_EFAULT;
1328 }
1329 }
1330 }
1331
1332 return ret;
1333}
1334
1335#if defined(TARGET_WANT_OLD_SYS_SELECT)
1336static abi_long do_old_select(abi_ulong arg1)
1337{
1338 struct target_sel_arg_struct *sel;
1339 abi_ulong inp, outp, exp, tvp;
1340 long nsel;
1341
1342 if (!lock_user_struct(VERIFY_READ, sel, arg1, 1)) {
1343 return -TARGET_EFAULT;
1344 }
1345
1346 nsel = tswapal(sel->n);
1347 inp = tswapal(sel->inp);
1348 outp = tswapal(sel->outp);
1349 exp = tswapal(sel->exp);
1350 tvp = tswapal(sel->tvp);
1351
1352 unlock_user_struct(sel, arg1, 0);
1353
1354 return do_select(nsel, inp, outp, exp, tvp);
1355}
1356#endif
1357#endif
1358
1359static abi_long do_pipe2(int host_pipe[], int flags)
1360{
1361#ifdef CONFIG_PIPE2
1362 return pipe2(host_pipe, flags);
1363#else
1364 return -ENOSYS;
1365#endif
1366}
1367
1368static abi_long do_pipe(void *cpu_env, abi_ulong pipedes,
1369 int flags, int is_pipe2)
1370{
1371 int host_pipe[2];
1372 abi_long ret;
1373 ret = flags ? do_pipe2(host_pipe, flags) : pipe(host_pipe);
1374
1375 if (is_error(ret))
1376 return get_errno(ret);
1377
1378
1379
1380 if (!is_pipe2) {
1381#if defined(TARGET_ALPHA)
1382 ((CPUAlphaState *)cpu_env)->ir[IR_A4] = host_pipe[1];
1383 return host_pipe[0];
1384#elif defined(TARGET_MIPS)
1385 ((CPUMIPSState*)cpu_env)->active_tc.gpr[3] = host_pipe[1];
1386 return host_pipe[0];
1387#elif defined(TARGET_SH4)
1388 ((CPUSH4State*)cpu_env)->gregs[1] = host_pipe[1];
1389 return host_pipe[0];
1390#elif defined(TARGET_SPARC)
1391 ((CPUSPARCState*)cpu_env)->regwptr[1] = host_pipe[1];
1392 return host_pipe[0];
1393#endif
1394 }
1395
1396 if (put_user_s32(host_pipe[0], pipedes)
1397 || put_user_s32(host_pipe[1], pipedes + sizeof(host_pipe[0])))
1398 return -TARGET_EFAULT;
1399 return get_errno(ret);
1400}
1401
1402static inline abi_long target_to_host_ip_mreq(struct ip_mreqn *mreqn,
1403 abi_ulong target_addr,
1404 socklen_t len)
1405{
1406 struct target_ip_mreqn *target_smreqn;
1407
1408 target_smreqn = lock_user(VERIFY_READ, target_addr, len, 1);
1409 if (!target_smreqn)
1410 return -TARGET_EFAULT;
1411 mreqn->imr_multiaddr.s_addr = target_smreqn->imr_multiaddr.s_addr;
1412 mreqn->imr_address.s_addr = target_smreqn->imr_address.s_addr;
1413 if (len == sizeof(struct target_ip_mreqn))
1414 mreqn->imr_ifindex = tswapal(target_smreqn->imr_ifindex);
1415 unlock_user(target_smreqn, target_addr, 0);
1416
1417 return 0;
1418}
1419
1420static inline abi_long target_to_host_sockaddr(int fd, struct sockaddr *addr,
1421 abi_ulong target_addr,
1422 socklen_t len)
1423{
1424 const socklen_t unix_maxlen = sizeof (struct sockaddr_un);
1425 sa_family_t sa_family;
1426 struct target_sockaddr *target_saddr;
1427
1428 if (fd_trans_target_to_host_addr(fd)) {
1429 return fd_trans_target_to_host_addr(fd)(addr, target_addr, len);
1430 }
1431
1432 target_saddr = lock_user(VERIFY_READ, target_addr, len, 1);
1433 if (!target_saddr)
1434 return -TARGET_EFAULT;
1435
1436 sa_family = tswap16(target_saddr->sa_family);
1437
1438
1439
1440
1441
1442
1443
1444
1445
1446 if (sa_family == AF_UNIX) {
1447 if (len < unix_maxlen && len > 0) {
1448 char *cp = (char*)target_saddr;
1449
1450 if ( cp[len-1] && !cp[len] )
1451 len++;
1452 }
1453 if (len > unix_maxlen)
1454 len = unix_maxlen;
1455 }
1456
1457 memcpy(addr, target_saddr, len);
1458 addr->sa_family = sa_family;
1459 if (sa_family == AF_NETLINK) {
1460 struct sockaddr_nl *nladdr;
1461
1462 nladdr = (struct sockaddr_nl *)addr;
1463 nladdr->nl_pid = tswap32(nladdr->nl_pid);
1464 nladdr->nl_groups = tswap32(nladdr->nl_groups);
1465 } else if (sa_family == AF_PACKET) {
1466 struct target_sockaddr_ll *lladdr;
1467
1468 lladdr = (struct target_sockaddr_ll *)addr;
1469 lladdr->sll_ifindex = tswap32(lladdr->sll_ifindex);
1470 lladdr->sll_hatype = tswap16(lladdr->sll_hatype);
1471 }
1472 unlock_user(target_saddr, target_addr, 0);
1473
1474 return 0;
1475}
1476
1477static inline abi_long host_to_target_sockaddr(abi_ulong target_addr,
1478 struct sockaddr *addr,
1479 socklen_t len)
1480{
1481 struct target_sockaddr *target_saddr;
1482
1483 if (len == 0) {
1484 return 0;
1485 }
1486 assert(addr);
1487
1488 target_saddr = lock_user(VERIFY_WRITE, target_addr, len, 0);
1489 if (!target_saddr)
1490 return -TARGET_EFAULT;
1491 memcpy(target_saddr, addr, len);
1492 if (len >= offsetof(struct target_sockaddr, sa_family) +
1493 sizeof(target_saddr->sa_family)) {
1494 target_saddr->sa_family = tswap16(addr->sa_family);
1495 }
1496 if (addr->sa_family == AF_NETLINK && len >= sizeof(struct sockaddr_nl)) {
1497 struct sockaddr_nl *target_nl = (struct sockaddr_nl *)target_saddr;
1498 target_nl->nl_pid = tswap32(target_nl->nl_pid);
1499 target_nl->nl_groups = tswap32(target_nl->nl_groups);
1500 } else if (addr->sa_family == AF_PACKET) {
1501 struct sockaddr_ll *target_ll = (struct sockaddr_ll *)target_saddr;
1502 target_ll->sll_ifindex = tswap32(target_ll->sll_ifindex);
1503 target_ll->sll_hatype = tswap16(target_ll->sll_hatype);
1504 } else if (addr->sa_family == AF_INET6 &&
1505 len >= sizeof(struct target_sockaddr_in6)) {
1506 struct target_sockaddr_in6 *target_in6 =
1507 (struct target_sockaddr_in6 *)target_saddr;
1508 target_in6->sin6_scope_id = tswap16(target_in6->sin6_scope_id);
1509 }
1510 unlock_user(target_saddr, target_addr, len);
1511
1512 return 0;
1513}
1514
1515static inline abi_long target_to_host_cmsg(struct msghdr *msgh,
1516 struct target_msghdr *target_msgh)
1517{
1518 struct cmsghdr *cmsg = CMSG_FIRSTHDR(msgh);
1519 abi_long msg_controllen;
1520 abi_ulong target_cmsg_addr;
1521 struct target_cmsghdr *target_cmsg, *target_cmsg_start;
1522 socklen_t space = 0;
1523
1524 msg_controllen = tswapal(target_msgh->msg_controllen);
1525 if (msg_controllen < sizeof (struct target_cmsghdr))
1526 goto the_end;
1527 target_cmsg_addr = tswapal(target_msgh->msg_control);
1528 target_cmsg = lock_user(VERIFY_READ, target_cmsg_addr, msg_controllen, 1);
1529 target_cmsg_start = target_cmsg;
1530 if (!target_cmsg)
1531 return -TARGET_EFAULT;
1532
1533 while (cmsg && target_cmsg) {
1534 void *data = CMSG_DATA(cmsg);
1535 void *target_data = TARGET_CMSG_DATA(target_cmsg);
1536
1537 int len = tswapal(target_cmsg->cmsg_len)
1538 - sizeof(struct target_cmsghdr);
1539
1540 space += CMSG_SPACE(len);
1541 if (space > msgh->msg_controllen) {
1542 space -= CMSG_SPACE(len);
1543
1544
1545
1546
1547
1548
1549
1550
1551
1552 gemu_log("Host cmsg overflow\n");
1553 break;
1554 }
1555
1556 if (tswap32(target_cmsg->cmsg_level) == TARGET_SOL_SOCKET) {
1557 cmsg->cmsg_level = SOL_SOCKET;
1558 } else {
1559 cmsg->cmsg_level = tswap32(target_cmsg->cmsg_level);
1560 }
1561 cmsg->cmsg_type = tswap32(target_cmsg->cmsg_type);
1562 cmsg->cmsg_len = CMSG_LEN(len);
1563
1564 if (cmsg->cmsg_level == SOL_SOCKET && cmsg->cmsg_type == SCM_RIGHTS) {
1565 int *fd = (int *)data;
1566 int *target_fd = (int *)target_data;
1567 int i, numfds = len / sizeof(int);
1568
1569 for (i = 0; i < numfds; i++) {
1570 __get_user(fd[i], target_fd + i);
1571 }
1572 } else if (cmsg->cmsg_level == SOL_SOCKET
1573 && cmsg->cmsg_type == SCM_CREDENTIALS) {
1574 struct ucred *cred = (struct ucred *)data;
1575 struct target_ucred *target_cred =
1576 (struct target_ucred *)target_data;
1577
1578 __get_user(cred->pid, &target_cred->pid);
1579 __get_user(cred->uid, &target_cred->uid);
1580 __get_user(cred->gid, &target_cred->gid);
1581 } else {
1582 gemu_log("Unsupported ancillary data: %d/%d\n",
1583 cmsg->cmsg_level, cmsg->cmsg_type);
1584 memcpy(data, target_data, len);
1585 }
1586
1587 cmsg = CMSG_NXTHDR(msgh, cmsg);
1588 target_cmsg = TARGET_CMSG_NXTHDR(target_msgh, target_cmsg,
1589 target_cmsg_start);
1590 }
1591 unlock_user(target_cmsg, target_cmsg_addr, 0);
1592 the_end:
1593 msgh->msg_controllen = space;
1594 return 0;
1595}
1596
1597static inline abi_long host_to_target_cmsg(struct target_msghdr *target_msgh,
1598 struct msghdr *msgh)
1599{
1600 struct cmsghdr *cmsg = CMSG_FIRSTHDR(msgh);
1601 abi_long msg_controllen;
1602 abi_ulong target_cmsg_addr;
1603 struct target_cmsghdr *target_cmsg, *target_cmsg_start;
1604 socklen_t space = 0;
1605
1606 msg_controllen = tswapal(target_msgh->msg_controllen);
1607 if (msg_controllen < sizeof (struct target_cmsghdr))
1608 goto the_end;
1609 target_cmsg_addr = tswapal(target_msgh->msg_control);
1610 target_cmsg = lock_user(VERIFY_WRITE, target_cmsg_addr, msg_controllen, 0);
1611 target_cmsg_start = target_cmsg;
1612 if (!target_cmsg)
1613 return -TARGET_EFAULT;
1614
1615 while (cmsg && target_cmsg) {
1616 void *data = CMSG_DATA(cmsg);
1617 void *target_data = TARGET_CMSG_DATA(target_cmsg);
1618
1619 int len = cmsg->cmsg_len - sizeof(struct cmsghdr);
1620 int tgt_len, tgt_space;
1621
1622
1623
1624
1625
1626
1627
1628 if (msg_controllen < sizeof(struct target_cmsghdr)) {
1629 target_msgh->msg_flags |= tswap32(MSG_CTRUNC);
1630 break;
1631 }
1632
1633 if (cmsg->cmsg_level == SOL_SOCKET) {
1634 target_cmsg->cmsg_level = tswap32(TARGET_SOL_SOCKET);
1635 } else {
1636 target_cmsg->cmsg_level = tswap32(cmsg->cmsg_level);
1637 }
1638 target_cmsg->cmsg_type = tswap32(cmsg->cmsg_type);
1639
1640
1641
1642
1643 tgt_len = len;
1644 switch (cmsg->cmsg_level) {
1645 case SOL_SOCKET:
1646 switch (cmsg->cmsg_type) {
1647 case SO_TIMESTAMP:
1648 tgt_len = sizeof(struct target_timeval);
1649 break;
1650 default:
1651 break;
1652 }
1653 break;
1654 default:
1655 break;
1656 }
1657
1658 if (msg_controllen < TARGET_CMSG_LEN(tgt_len)) {
1659 target_msgh->msg_flags |= tswap32(MSG_CTRUNC);
1660 tgt_len = msg_controllen - sizeof(struct target_cmsghdr);
1661 }
1662
1663
1664
1665
1666
1667
1668 switch (cmsg->cmsg_level) {
1669 case SOL_SOCKET:
1670 switch (cmsg->cmsg_type) {
1671 case SCM_RIGHTS:
1672 {
1673 int *fd = (int *)data;
1674 int *target_fd = (int *)target_data;
1675 int i, numfds = tgt_len / sizeof(int);
1676
1677 for (i = 0; i < numfds; i++) {
1678 __put_user(fd[i], target_fd + i);
1679 }
1680 break;
1681 }
1682 case SO_TIMESTAMP:
1683 {
1684 struct timeval *tv = (struct timeval *)data;
1685 struct target_timeval *target_tv =
1686 (struct target_timeval *)target_data;
1687
1688 if (len != sizeof(struct timeval) ||
1689 tgt_len != sizeof(struct target_timeval)) {
1690 goto unimplemented;
1691 }
1692
1693
1694 __put_user(tv->tv_sec, &target_tv->tv_sec);
1695 __put_user(tv->tv_usec, &target_tv->tv_usec);
1696 break;
1697 }
1698 case SCM_CREDENTIALS:
1699 {
1700 struct ucred *cred = (struct ucred *)data;
1701 struct target_ucred *target_cred =
1702 (struct target_ucred *)target_data;
1703
1704 __put_user(cred->pid, &target_cred->pid);
1705 __put_user(cred->uid, &target_cred->uid);
1706 __put_user(cred->gid, &target_cred->gid);
1707 break;
1708 }
1709 default:
1710 goto unimplemented;
1711 }
1712 break;
1713
1714 case SOL_IP:
1715 switch (cmsg->cmsg_type) {
1716 case IP_TTL:
1717 {
1718 uint32_t *v = (uint32_t *)data;
1719 uint32_t *t_int = (uint32_t *)target_data;
1720
1721 if (len != sizeof(uint32_t) ||
1722 tgt_len != sizeof(uint32_t)) {
1723 goto unimplemented;
1724 }
1725 __put_user(*v, t_int);
1726 break;
1727 }
1728 case IP_RECVERR:
1729 {
1730 struct errhdr_t {
1731 struct sock_extended_err ee;
1732 struct sockaddr_in offender;
1733 };
1734 struct errhdr_t *errh = (struct errhdr_t *)data;
1735 struct errhdr_t *target_errh =
1736 (struct errhdr_t *)target_data;
1737
1738 if (len != sizeof(struct errhdr_t) ||
1739 tgt_len != sizeof(struct errhdr_t)) {
1740 goto unimplemented;
1741 }
1742 __put_user(errh->ee.ee_errno, &target_errh->ee.ee_errno);
1743 __put_user(errh->ee.ee_origin, &target_errh->ee.ee_origin);
1744 __put_user(errh->ee.ee_type, &target_errh->ee.ee_type);
1745 __put_user(errh->ee.ee_code, &target_errh->ee.ee_code);
1746 __put_user(errh->ee.ee_pad, &target_errh->ee.ee_pad);
1747 __put_user(errh->ee.ee_info, &target_errh->ee.ee_info);
1748 __put_user(errh->ee.ee_data, &target_errh->ee.ee_data);
1749 host_to_target_sockaddr((unsigned long) &target_errh->offender,
1750 (void *) &errh->offender, sizeof(errh->offender));
1751 break;
1752 }
1753 default:
1754 goto unimplemented;
1755 }
1756 break;
1757
1758 case SOL_IPV6:
1759 switch (cmsg->cmsg_type) {
1760 case IPV6_HOPLIMIT:
1761 {
1762 uint32_t *v = (uint32_t *)data;
1763 uint32_t *t_int = (uint32_t *)target_data;
1764
1765 if (len != sizeof(uint32_t) ||
1766 tgt_len != sizeof(uint32_t)) {
1767 goto unimplemented;
1768 }
1769 __put_user(*v, t_int);
1770 break;
1771 }
1772 case IPV6_RECVERR:
1773 {
1774 struct errhdr6_t {
1775 struct sock_extended_err ee;
1776 struct sockaddr_in6 offender;
1777 };
1778 struct errhdr6_t *errh = (struct errhdr6_t *)data;
1779 struct errhdr6_t *target_errh =
1780 (struct errhdr6_t *)target_data;
1781
1782 if (len != sizeof(struct errhdr6_t) ||
1783 tgt_len != sizeof(struct errhdr6_t)) {
1784 goto unimplemented;
1785 }
1786 __put_user(errh->ee.ee_errno, &target_errh->ee.ee_errno);
1787 __put_user(errh->ee.ee_origin, &target_errh->ee.ee_origin);
1788 __put_user(errh->ee.ee_type, &target_errh->ee.ee_type);
1789 __put_user(errh->ee.ee_code, &target_errh->ee.ee_code);
1790 __put_user(errh->ee.ee_pad, &target_errh->ee.ee_pad);
1791 __put_user(errh->ee.ee_info, &target_errh->ee.ee_info);
1792 __put_user(errh->ee.ee_data, &target_errh->ee.ee_data);
1793 host_to_target_sockaddr((unsigned long) &target_errh->offender,
1794 (void *) &errh->offender, sizeof(errh->offender));
1795 break;
1796 }
1797 default:
1798 goto unimplemented;
1799 }
1800 break;
1801
1802 default:
1803 unimplemented:
1804 gemu_log("Unsupported ancillary data: %d/%d\n",
1805 cmsg->cmsg_level, cmsg->cmsg_type);
1806 memcpy(target_data, data, MIN(len, tgt_len));
1807 if (tgt_len > len) {
1808 memset(target_data + len, 0, tgt_len - len);
1809 }
1810 }
1811
1812 target_cmsg->cmsg_len = tswapal(TARGET_CMSG_LEN(tgt_len));
1813 tgt_space = TARGET_CMSG_SPACE(tgt_len);
1814 if (msg_controllen < tgt_space) {
1815 tgt_space = msg_controllen;
1816 }
1817 msg_controllen -= tgt_space;
1818 space += tgt_space;
1819 cmsg = CMSG_NXTHDR(msgh, cmsg);
1820 target_cmsg = TARGET_CMSG_NXTHDR(target_msgh, target_cmsg,
1821 target_cmsg_start);
1822 }
1823 unlock_user(target_cmsg, target_cmsg_addr, space);
1824 the_end:
1825 target_msgh->msg_controllen = tswapal(space);
1826 return 0;
1827}
1828
1829
1830static abi_long do_setsockopt(int sockfd, int level, int optname,
1831 abi_ulong optval_addr, socklen_t optlen)
1832{
1833 abi_long ret;
1834 int val;
1835 struct ip_mreqn *ip_mreq;
1836 struct ip_mreq_source *ip_mreq_source;
1837
1838 switch(level) {
1839 case SOL_TCP:
1840
1841 if (optlen < sizeof(uint32_t))
1842 return -TARGET_EINVAL;
1843
1844 if (get_user_u32(val, optval_addr))
1845 return -TARGET_EFAULT;
1846 ret = get_errno(setsockopt(sockfd, level, optname, &val, sizeof(val)));
1847 break;
1848 case SOL_IP:
1849 switch(optname) {
1850 case IP_TOS:
1851 case IP_TTL:
1852 case IP_HDRINCL:
1853 case IP_ROUTER_ALERT:
1854 case IP_RECVOPTS:
1855 case IP_RETOPTS:
1856 case IP_PKTINFO:
1857 case IP_MTU_DISCOVER:
1858 case IP_RECVERR:
1859 case IP_RECVTTL:
1860 case IP_RECVTOS:
1861#ifdef IP_FREEBIND
1862 case IP_FREEBIND:
1863#endif
1864 case IP_MULTICAST_TTL:
1865 case IP_MULTICAST_LOOP:
1866 val = 0;
1867 if (optlen >= sizeof(uint32_t)) {
1868 if (get_user_u32(val, optval_addr))
1869 return -TARGET_EFAULT;
1870 } else if (optlen >= 1) {
1871 if (get_user_u8(val, optval_addr))
1872 return -TARGET_EFAULT;
1873 }
1874 ret = get_errno(setsockopt(sockfd, level, optname, &val, sizeof(val)));
1875 break;
1876 case IP_ADD_MEMBERSHIP:
1877 case IP_DROP_MEMBERSHIP:
1878 if (optlen < sizeof (struct target_ip_mreq) ||
1879 optlen > sizeof (struct target_ip_mreqn))
1880 return -TARGET_EINVAL;
1881
1882 ip_mreq = (struct ip_mreqn *) alloca(optlen);
1883 target_to_host_ip_mreq(ip_mreq, optval_addr, optlen);
1884 ret = get_errno(setsockopt(sockfd, level, optname, ip_mreq, optlen));
1885 break;
1886
1887 case IP_BLOCK_SOURCE:
1888 case IP_UNBLOCK_SOURCE:
1889 case IP_ADD_SOURCE_MEMBERSHIP:
1890 case IP_DROP_SOURCE_MEMBERSHIP:
1891 if (optlen != sizeof (struct target_ip_mreq_source))
1892 return -TARGET_EINVAL;
1893
1894 ip_mreq_source = lock_user(VERIFY_READ, optval_addr, optlen, 1);
1895 ret = get_errno(setsockopt(sockfd, level, optname, ip_mreq_source, optlen));
1896 unlock_user (ip_mreq_source, optval_addr, 0);
1897 break;
1898
1899 default:
1900 goto unimplemented;
1901 }
1902 break;
1903 case SOL_IPV6:
1904 switch (optname) {
1905 case IPV6_MTU_DISCOVER:
1906 case IPV6_MTU:
1907 case IPV6_V6ONLY:
1908 case IPV6_RECVPKTINFO:
1909 case IPV6_UNICAST_HOPS:
1910 case IPV6_MULTICAST_HOPS:
1911 case IPV6_MULTICAST_LOOP:
1912 case IPV6_RECVERR:
1913 case IPV6_RECVHOPLIMIT:
1914 case IPV6_2292HOPLIMIT:
1915 case IPV6_CHECKSUM:
1916 case IPV6_ADDRFORM:
1917 case IPV6_2292PKTINFO:
1918 case IPV6_RECVTCLASS:
1919 case IPV6_RECVRTHDR:
1920 case IPV6_2292RTHDR:
1921 case IPV6_RECVHOPOPTS:
1922 case IPV6_2292HOPOPTS:
1923 case IPV6_RECVDSTOPTS:
1924 case IPV6_2292DSTOPTS:
1925 case IPV6_TCLASS:
1926#ifdef IPV6_RECVPATHMTU
1927 case IPV6_RECVPATHMTU:
1928#endif
1929#ifdef IPV6_TRANSPARENT
1930 case IPV6_TRANSPARENT:
1931#endif
1932#ifdef IPV6_FREEBIND
1933 case IPV6_FREEBIND:
1934#endif
1935#ifdef IPV6_RECVORIGDSTADDR
1936 case IPV6_RECVORIGDSTADDR:
1937#endif
1938 val = 0;
1939 if (optlen < sizeof(uint32_t)) {
1940 return -TARGET_EINVAL;
1941 }
1942 if (get_user_u32(val, optval_addr)) {
1943 return -TARGET_EFAULT;
1944 }
1945 ret = get_errno(setsockopt(sockfd, level, optname,
1946 &val, sizeof(val)));
1947 break;
1948 case IPV6_PKTINFO:
1949 {
1950 struct in6_pktinfo pki;
1951
1952 if (optlen < sizeof(pki)) {
1953 return -TARGET_EINVAL;
1954 }
1955
1956 if (copy_from_user(&pki, optval_addr, sizeof(pki))) {
1957 return -TARGET_EFAULT;
1958 }
1959
1960 pki.ipi6_ifindex = tswap32(pki.ipi6_ifindex);
1961
1962 ret = get_errno(setsockopt(sockfd, level, optname,
1963 &pki, sizeof(pki)));
1964 break;
1965 }
1966 case IPV6_ADD_MEMBERSHIP:
1967 case IPV6_DROP_MEMBERSHIP:
1968 {
1969 struct ipv6_mreq ipv6mreq;
1970
1971 if (optlen < sizeof(ipv6mreq)) {
1972 return -TARGET_EINVAL;
1973 }
1974
1975 if (copy_from_user(&ipv6mreq, optval_addr, sizeof(ipv6mreq))) {
1976 return -TARGET_EFAULT;
1977 }
1978
1979 ipv6mreq.ipv6mr_interface = tswap32(ipv6mreq.ipv6mr_interface);
1980
1981 ret = get_errno(setsockopt(sockfd, level, optname,
1982 &ipv6mreq, sizeof(ipv6mreq)));
1983 break;
1984 }
1985 default:
1986 goto unimplemented;
1987 }
1988 break;
1989 case SOL_ICMPV6:
1990 switch (optname) {
1991 case ICMPV6_FILTER:
1992 {
1993 struct icmp6_filter icmp6f;
1994
1995 if (optlen > sizeof(icmp6f)) {
1996 optlen = sizeof(icmp6f);
1997 }
1998
1999 if (copy_from_user(&icmp6f, optval_addr, optlen)) {
2000 return -TARGET_EFAULT;
2001 }
2002
2003 for (val = 0; val < 8; val++) {
2004 icmp6f.data[val] = tswap32(icmp6f.data[val]);
2005 }
2006
2007 ret = get_errno(setsockopt(sockfd, level, optname,
2008 &icmp6f, optlen));
2009 break;
2010 }
2011 default:
2012 goto unimplemented;
2013 }
2014 break;
2015 case SOL_RAW:
2016 switch (optname) {
2017 case ICMP_FILTER:
2018 case IPV6_CHECKSUM:
2019
2020 if (optlen < sizeof(uint32_t)) {
2021 return -TARGET_EINVAL;
2022 }
2023
2024 if (get_user_u32(val, optval_addr)) {
2025 return -TARGET_EFAULT;
2026 }
2027 ret = get_errno(setsockopt(sockfd, level, optname,
2028 &val, sizeof(val)));
2029 break;
2030
2031 default:
2032 goto unimplemented;
2033 }
2034 break;
2035#if defined(SOL_ALG) && defined(ALG_SET_KEY) && defined(ALG_SET_AEAD_AUTHSIZE)
2036 case SOL_ALG:
2037 switch (optname) {
2038 case ALG_SET_KEY:
2039 {
2040 char *alg_key = g_malloc(optlen);
2041
2042 if (!alg_key) {
2043 return -TARGET_ENOMEM;
2044 }
2045 if (copy_from_user(alg_key, optval_addr, optlen)) {
2046 g_free(alg_key);
2047 return -TARGET_EFAULT;
2048 }
2049 ret = get_errno(setsockopt(sockfd, level, optname,
2050 alg_key, optlen));
2051 g_free(alg_key);
2052 break;
2053 }
2054 case ALG_SET_AEAD_AUTHSIZE:
2055 {
2056 ret = get_errno(setsockopt(sockfd, level, optname,
2057 NULL, optlen));
2058 break;
2059 }
2060 default:
2061 goto unimplemented;
2062 }
2063 break;
2064#endif
2065 case TARGET_SOL_SOCKET:
2066 switch (optname) {
2067 case TARGET_SO_RCVTIMEO:
2068 {
2069 struct timeval tv;
2070
2071 optname = SO_RCVTIMEO;
2072
2073set_timeout:
2074 if (optlen != sizeof(struct target_timeval)) {
2075 return -TARGET_EINVAL;
2076 }
2077
2078 if (copy_from_user_timeval(&tv, optval_addr)) {
2079 return -TARGET_EFAULT;
2080 }
2081
2082 ret = get_errno(setsockopt(sockfd, SOL_SOCKET, optname,
2083 &tv, sizeof(tv)));
2084 return ret;
2085 }
2086 case TARGET_SO_SNDTIMEO:
2087 optname = SO_SNDTIMEO;
2088 goto set_timeout;
2089 case TARGET_SO_ATTACH_FILTER:
2090 {
2091 struct target_sock_fprog *tfprog;
2092 struct target_sock_filter *tfilter;
2093 struct sock_fprog fprog;
2094 struct sock_filter *filter;
2095 int i;
2096
2097 if (optlen != sizeof(*tfprog)) {
2098 return -TARGET_EINVAL;
2099 }
2100 if (!lock_user_struct(VERIFY_READ, tfprog, optval_addr, 0)) {
2101 return -TARGET_EFAULT;
2102 }
2103 if (!lock_user_struct(VERIFY_READ, tfilter,
2104 tswapal(tfprog->filter), 0)) {
2105 unlock_user_struct(tfprog, optval_addr, 1);
2106 return -TARGET_EFAULT;
2107 }
2108
2109 fprog.len = tswap16(tfprog->len);
2110 filter = g_try_new(struct sock_filter, fprog.len);
2111 if (filter == NULL) {
2112 unlock_user_struct(tfilter, tfprog->filter, 1);
2113 unlock_user_struct(tfprog, optval_addr, 1);
2114 return -TARGET_ENOMEM;
2115 }
2116 for (i = 0; i < fprog.len; i++) {
2117 filter[i].code = tswap16(tfilter[i].code);
2118 filter[i].jt = tfilter[i].jt;
2119 filter[i].jf = tfilter[i].jf;
2120 filter[i].k = tswap32(tfilter[i].k);
2121 }
2122 fprog.filter = filter;
2123
2124 ret = get_errno(setsockopt(sockfd, SOL_SOCKET,
2125 SO_ATTACH_FILTER, &fprog, sizeof(fprog)));
2126 g_free(filter);
2127
2128 unlock_user_struct(tfilter, tfprog->filter, 1);
2129 unlock_user_struct(tfprog, optval_addr, 1);
2130 return ret;
2131 }
2132 case TARGET_SO_BINDTODEVICE:
2133 {
2134 char *dev_ifname, *addr_ifname;
2135
2136 if (optlen > IFNAMSIZ - 1) {
2137 optlen = IFNAMSIZ - 1;
2138 }
2139 dev_ifname = lock_user(VERIFY_READ, optval_addr, optlen, 1);
2140 if (!dev_ifname) {
2141 return -TARGET_EFAULT;
2142 }
2143 optname = SO_BINDTODEVICE;
2144 addr_ifname = alloca(IFNAMSIZ);
2145 memcpy(addr_ifname, dev_ifname, optlen);
2146 addr_ifname[optlen] = 0;
2147 ret = get_errno(setsockopt(sockfd, SOL_SOCKET, optname,
2148 addr_ifname, optlen));
2149 unlock_user (dev_ifname, optval_addr, 0);
2150 return ret;
2151 }
2152 case TARGET_SO_LINGER:
2153 {
2154 struct linger lg;
2155 struct target_linger *tlg;
2156
2157 if (optlen != sizeof(struct target_linger)) {
2158 return -TARGET_EINVAL;
2159 }
2160 if (!lock_user_struct(VERIFY_READ, tlg, optval_addr, 1)) {
2161 return -TARGET_EFAULT;
2162 }
2163 __get_user(lg.l_onoff, &tlg->l_onoff);
2164 __get_user(lg.l_linger, &tlg->l_linger);
2165 ret = get_errno(setsockopt(sockfd, SOL_SOCKET, SO_LINGER,
2166 &lg, sizeof(lg)));
2167 unlock_user_struct(tlg, optval_addr, 0);
2168 return ret;
2169 }
2170
2171 case TARGET_SO_DEBUG:
2172 optname = SO_DEBUG;
2173 break;
2174 case TARGET_SO_REUSEADDR:
2175 optname = SO_REUSEADDR;
2176 break;
2177#ifdef SO_REUSEPORT
2178 case TARGET_SO_REUSEPORT:
2179 optname = SO_REUSEPORT;
2180 break;
2181#endif
2182 case TARGET_SO_TYPE:
2183 optname = SO_TYPE;
2184 break;
2185 case TARGET_SO_ERROR:
2186 optname = SO_ERROR;
2187 break;
2188 case TARGET_SO_DONTROUTE:
2189 optname = SO_DONTROUTE;
2190 break;
2191 case TARGET_SO_BROADCAST:
2192 optname = SO_BROADCAST;
2193 break;
2194 case TARGET_SO_SNDBUF:
2195 optname = SO_SNDBUF;
2196 break;
2197 case TARGET_SO_SNDBUFFORCE:
2198 optname = SO_SNDBUFFORCE;
2199 break;
2200 case TARGET_SO_RCVBUF:
2201 optname = SO_RCVBUF;
2202 break;
2203 case TARGET_SO_RCVBUFFORCE:
2204 optname = SO_RCVBUFFORCE;
2205 break;
2206 case TARGET_SO_KEEPALIVE:
2207 optname = SO_KEEPALIVE;
2208 break;
2209 case TARGET_SO_OOBINLINE:
2210 optname = SO_OOBINLINE;
2211 break;
2212 case TARGET_SO_NO_CHECK:
2213 optname = SO_NO_CHECK;
2214 break;
2215 case TARGET_SO_PRIORITY:
2216 optname = SO_PRIORITY;
2217 break;
2218#ifdef SO_BSDCOMPAT
2219 case TARGET_SO_BSDCOMPAT:
2220 optname = SO_BSDCOMPAT;
2221 break;
2222#endif
2223 case TARGET_SO_PASSCRED:
2224 optname = SO_PASSCRED;
2225 break;
2226 case TARGET_SO_PASSSEC:
2227 optname = SO_PASSSEC;
2228 break;
2229 case TARGET_SO_TIMESTAMP:
2230 optname = SO_TIMESTAMP;
2231 break;
2232 case TARGET_SO_RCVLOWAT:
2233 optname = SO_RCVLOWAT;
2234 break;
2235 default:
2236 goto unimplemented;
2237 }
2238 if (optlen < sizeof(uint32_t))
2239 return -TARGET_EINVAL;
2240
2241 if (get_user_u32(val, optval_addr))
2242 return -TARGET_EFAULT;
2243 ret = get_errno(setsockopt(sockfd, SOL_SOCKET, optname, &val, sizeof(val)));
2244 break;
2245 default:
2246 unimplemented:
2247 gemu_log("Unsupported setsockopt level=%d optname=%d\n", level, optname);
2248 ret = -TARGET_ENOPROTOOPT;
2249 }
2250 return ret;
2251}
2252
2253
2254static abi_long do_getsockopt(int sockfd, int level, int optname,
2255 abi_ulong optval_addr, abi_ulong optlen)
2256{
2257 abi_long ret;
2258 int len, val;
2259 socklen_t lv;
2260
2261 switch(level) {
2262 case TARGET_SOL_SOCKET:
2263 level = SOL_SOCKET;
2264 switch (optname) {
2265
2266 case TARGET_SO_RCVTIMEO:
2267 case TARGET_SO_SNDTIMEO:
2268 case TARGET_SO_PEERNAME:
2269 goto unimplemented;
2270 case TARGET_SO_PEERCRED: {
2271 struct ucred cr;
2272 socklen_t crlen;
2273 struct target_ucred *tcr;
2274
2275 if (get_user_u32(len, optlen)) {
2276 return -TARGET_EFAULT;
2277 }
2278 if (len < 0) {
2279 return -TARGET_EINVAL;
2280 }
2281
2282 crlen = sizeof(cr);
2283 ret = get_errno(getsockopt(sockfd, level, SO_PEERCRED,
2284 &cr, &crlen));
2285 if (ret < 0) {
2286 return ret;
2287 }
2288 if (len > crlen) {
2289 len = crlen;
2290 }
2291 if (!lock_user_struct(VERIFY_WRITE, tcr, optval_addr, 0)) {
2292 return -TARGET_EFAULT;
2293 }
2294 __put_user(cr.pid, &tcr->pid);
2295 __put_user(cr.uid, &tcr->uid);
2296 __put_user(cr.gid, &tcr->gid);
2297 unlock_user_struct(tcr, optval_addr, 1);
2298 if (put_user_u32(len, optlen)) {
2299 return -TARGET_EFAULT;
2300 }
2301 break;
2302 }
2303 case TARGET_SO_LINGER:
2304 {
2305 struct linger lg;
2306 socklen_t lglen;
2307 struct target_linger *tlg;
2308
2309 if (get_user_u32(len, optlen)) {
2310 return -TARGET_EFAULT;
2311 }
2312 if (len < 0) {
2313 return -TARGET_EINVAL;
2314 }
2315
2316 lglen = sizeof(lg);
2317 ret = get_errno(getsockopt(sockfd, level, SO_LINGER,
2318 &lg, &lglen));
2319 if (ret < 0) {
2320 return ret;
2321 }
2322 if (len > lglen) {
2323 len = lglen;
2324 }
2325 if (!lock_user_struct(VERIFY_WRITE, tlg, optval_addr, 0)) {
2326 return -TARGET_EFAULT;
2327 }
2328 __put_user(lg.l_onoff, &tlg->l_onoff);
2329 __put_user(lg.l_linger, &tlg->l_linger);
2330 unlock_user_struct(tlg, optval_addr, 1);
2331 if (put_user_u32(len, optlen)) {
2332 return -TARGET_EFAULT;
2333 }
2334 break;
2335 }
2336
2337 case TARGET_SO_DEBUG:
2338 optname = SO_DEBUG;
2339 goto int_case;
2340 case TARGET_SO_REUSEADDR:
2341 optname = SO_REUSEADDR;
2342 goto int_case;
2343#ifdef SO_REUSEPORT
2344 case TARGET_SO_REUSEPORT:
2345 optname = SO_REUSEPORT;
2346 goto int_case;
2347#endif
2348 case TARGET_SO_TYPE:
2349 optname = SO_TYPE;
2350 goto int_case;
2351 case TARGET_SO_ERROR:
2352 optname = SO_ERROR;
2353 goto int_case;
2354 case TARGET_SO_DONTROUTE:
2355 optname = SO_DONTROUTE;
2356 goto int_case;
2357 case TARGET_SO_BROADCAST:
2358 optname = SO_BROADCAST;
2359 goto int_case;
2360 case TARGET_SO_SNDBUF:
2361 optname = SO_SNDBUF;
2362 goto int_case;
2363 case TARGET_SO_RCVBUF:
2364 optname = SO_RCVBUF;
2365 goto int_case;
2366 case TARGET_SO_KEEPALIVE:
2367 optname = SO_KEEPALIVE;
2368 goto int_case;
2369 case TARGET_SO_OOBINLINE:
2370 optname = SO_OOBINLINE;
2371 goto int_case;
2372 case TARGET_SO_NO_CHECK:
2373 optname = SO_NO_CHECK;
2374 goto int_case;
2375 case TARGET_SO_PRIORITY:
2376 optname = SO_PRIORITY;
2377 goto int_case;
2378#ifdef SO_BSDCOMPAT
2379 case TARGET_SO_BSDCOMPAT:
2380 optname = SO_BSDCOMPAT;
2381 goto int_case;
2382#endif
2383 case TARGET_SO_PASSCRED:
2384 optname = SO_PASSCRED;
2385 goto int_case;
2386 case TARGET_SO_TIMESTAMP:
2387 optname = SO_TIMESTAMP;
2388 goto int_case;
2389 case TARGET_SO_RCVLOWAT:
2390 optname = SO_RCVLOWAT;
2391 goto int_case;
2392 case TARGET_SO_ACCEPTCONN:
2393 optname = SO_ACCEPTCONN;
2394 goto int_case;
2395 default:
2396 goto int_case;
2397 }
2398 break;
2399 case SOL_TCP:
2400
2401 int_case:
2402 if (get_user_u32(len, optlen))
2403 return -TARGET_EFAULT;
2404 if (len < 0)
2405 return -TARGET_EINVAL;
2406 lv = sizeof(lv);
2407 ret = get_errno(getsockopt(sockfd, level, optname, &val, &lv));
2408 if (ret < 0)
2409 return ret;
2410 if (optname == SO_TYPE) {
2411 val = host_to_target_sock_type(val);
2412 }
2413 if (len > lv)
2414 len = lv;
2415 if (len == 4) {
2416 if (put_user_u32(val, optval_addr))
2417 return -TARGET_EFAULT;
2418 } else {
2419 if (put_user_u8(val, optval_addr))
2420 return -TARGET_EFAULT;
2421 }
2422 if (put_user_u32(len, optlen))
2423 return -TARGET_EFAULT;
2424 break;
2425 case SOL_IP:
2426 switch(optname) {
2427 case IP_TOS:
2428 case IP_TTL:
2429 case IP_HDRINCL:
2430 case IP_ROUTER_ALERT:
2431 case IP_RECVOPTS:
2432 case IP_RETOPTS:
2433 case IP_PKTINFO:
2434 case IP_MTU_DISCOVER:
2435 case IP_RECVERR:
2436 case IP_RECVTOS:
2437#ifdef IP_FREEBIND
2438 case IP_FREEBIND:
2439#endif
2440 case IP_MULTICAST_TTL:
2441 case IP_MULTICAST_LOOP:
2442 if (get_user_u32(len, optlen))
2443 return -TARGET_EFAULT;
2444 if (len < 0)
2445 return -TARGET_EINVAL;
2446 lv = sizeof(lv);
2447 ret = get_errno(getsockopt(sockfd, level, optname, &val, &lv));
2448 if (ret < 0)
2449 return ret;
2450 if (len < sizeof(int) && len > 0 && val >= 0 && val < 255) {
2451 len = 1;
2452 if (put_user_u32(len, optlen)
2453 || put_user_u8(val, optval_addr))
2454 return -TARGET_EFAULT;
2455 } else {
2456 if (len > sizeof(int))
2457 len = sizeof(int);
2458 if (put_user_u32(len, optlen)
2459 || put_user_u32(val, optval_addr))
2460 return -TARGET_EFAULT;
2461 }
2462 break;
2463 default:
2464 ret = -TARGET_ENOPROTOOPT;
2465 break;
2466 }
2467 break;
2468 case SOL_IPV6:
2469 switch (optname) {
2470 case IPV6_MTU_DISCOVER:
2471 case IPV6_MTU:
2472 case IPV6_V6ONLY:
2473 case IPV6_RECVPKTINFO:
2474 case IPV6_UNICAST_HOPS:
2475 case IPV6_MULTICAST_HOPS:
2476 case IPV6_MULTICAST_LOOP:
2477 case IPV6_RECVERR:
2478 case IPV6_RECVHOPLIMIT:
2479 case IPV6_2292HOPLIMIT:
2480 case IPV6_CHECKSUM:
2481 case IPV6_ADDRFORM:
2482 case IPV6_2292PKTINFO:
2483 case IPV6_RECVTCLASS:
2484 case IPV6_RECVRTHDR:
2485 case IPV6_2292RTHDR:
2486 case IPV6_RECVHOPOPTS:
2487 case IPV6_2292HOPOPTS:
2488 case IPV6_RECVDSTOPTS:
2489 case IPV6_2292DSTOPTS:
2490 case IPV6_TCLASS:
2491#ifdef IPV6_RECVPATHMTU
2492 case IPV6_RECVPATHMTU:
2493#endif
2494#ifdef IPV6_TRANSPARENT
2495 case IPV6_TRANSPARENT:
2496#endif
2497#ifdef IPV6_FREEBIND
2498 case IPV6_FREEBIND:
2499#endif
2500#ifdef IPV6_RECVORIGDSTADDR
2501 case IPV6_RECVORIGDSTADDR:
2502#endif
2503 if (get_user_u32(len, optlen))
2504 return -TARGET_EFAULT;
2505 if (len < 0)
2506 return -TARGET_EINVAL;
2507 lv = sizeof(lv);
2508 ret = get_errno(getsockopt(sockfd, level, optname, &val, &lv));
2509 if (ret < 0)
2510 return ret;
2511 if (len < sizeof(int) && len > 0 && val >= 0 && val < 255) {
2512 len = 1;
2513 if (put_user_u32(len, optlen)
2514 || put_user_u8(val, optval_addr))
2515 return -TARGET_EFAULT;
2516 } else {
2517 if (len > sizeof(int))
2518 len = sizeof(int);
2519 if (put_user_u32(len, optlen)
2520 || put_user_u32(val, optval_addr))
2521 return -TARGET_EFAULT;
2522 }
2523 break;
2524 default:
2525 ret = -TARGET_ENOPROTOOPT;
2526 break;
2527 }
2528 break;
2529 default:
2530 unimplemented:
2531 gemu_log("getsockopt level=%d optname=%d not yet supported\n",
2532 level, optname);
2533 ret = -TARGET_EOPNOTSUPP;
2534 break;
2535 }
2536 return ret;
2537}
2538
2539
2540
2541
2542
2543static void target_to_host_low_high(abi_ulong tlow,
2544 abi_ulong thigh,
2545 unsigned long *hlow,
2546 unsigned long *hhigh)
2547{
2548 uint64_t off = tlow |
2549 ((unsigned long long)thigh << TARGET_LONG_BITS / 2) <<
2550 TARGET_LONG_BITS / 2;
2551
2552 *hlow = off;
2553 *hhigh = (off >> HOST_LONG_BITS / 2) >> HOST_LONG_BITS / 2;
2554}
2555
2556static struct iovec *lock_iovec(int type, abi_ulong target_addr,
2557 abi_ulong count, int copy)
2558{
2559 struct target_iovec *target_vec;
2560 struct iovec *vec;
2561 abi_ulong total_len, max_len;
2562 int i;
2563 int err = 0;
2564 bool bad_address = false;
2565
2566 if (count == 0) {
2567 errno = 0;
2568 return NULL;
2569 }
2570 if (count > IOV_MAX) {
2571 errno = EINVAL;
2572 return NULL;
2573 }
2574
2575 vec = g_try_new0(struct iovec, count);
2576 if (vec == NULL) {
2577 errno = ENOMEM;
2578 return NULL;
2579 }
2580
2581 target_vec = lock_user(VERIFY_READ, target_addr,
2582 count * sizeof(struct target_iovec), 1);
2583 if (target_vec == NULL) {
2584 err = EFAULT;
2585 goto fail2;
2586 }
2587
2588
2589
2590 max_len = 0x7fffffff & TARGET_PAGE_MASK;
2591 total_len = 0;
2592
2593 for (i = 0; i < count; i++) {
2594 abi_ulong base = tswapal(target_vec[i].iov_base);
2595 abi_long len = tswapal(target_vec[i].iov_len);
2596
2597 if (len < 0) {
2598 err = EINVAL;
2599 goto fail;
2600 } else if (len == 0) {
2601
2602 vec[i].iov_base = 0;
2603 } else {
2604 vec[i].iov_base = lock_user(type, base, len, copy);
2605
2606
2607
2608
2609 if (!vec[i].iov_base) {
2610 if (i == 0) {
2611 err = EFAULT;
2612 goto fail;
2613 } else {
2614 bad_address = true;
2615 }
2616 }
2617 if (bad_address) {
2618 len = 0;
2619 }
2620 if (len > max_len - total_len) {
2621 len = max_len - total_len;
2622 }
2623 }
2624 vec[i].iov_len = len;
2625 total_len += len;
2626 }
2627
2628 unlock_user(target_vec, target_addr, 0);
2629 return vec;
2630
2631 fail:
2632 while (--i >= 0) {
2633 if (tswapal(target_vec[i].iov_len) > 0) {
2634 unlock_user(vec[i].iov_base, tswapal(target_vec[i].iov_base), 0);
2635 }
2636 }
2637 unlock_user(target_vec, target_addr, 0);
2638 fail2:
2639 g_free(vec);
2640 errno = err;
2641 return NULL;
2642}
2643
2644static void unlock_iovec(struct iovec *vec, abi_ulong target_addr,
2645 abi_ulong count, int copy)
2646{
2647 struct target_iovec *target_vec;
2648 int i;
2649
2650 target_vec = lock_user(VERIFY_READ, target_addr,
2651 count * sizeof(struct target_iovec), 1);
2652 if (target_vec) {
2653 for (i = 0; i < count; i++) {
2654 abi_ulong base = tswapal(target_vec[i].iov_base);
2655 abi_long len = tswapal(target_vec[i].iov_len);
2656 if (len < 0) {
2657 break;
2658 }
2659 unlock_user(vec[i].iov_base, base, copy ? vec[i].iov_len : 0);
2660 }
2661 unlock_user(target_vec, target_addr, 0);
2662 }
2663
2664 g_free(vec);
2665}
2666
2667static inline int target_to_host_sock_type(int *type)
2668{
2669 int host_type = 0;
2670 int target_type = *type;
2671
2672 switch (target_type & TARGET_SOCK_TYPE_MASK) {
2673 case TARGET_SOCK_DGRAM:
2674 host_type = SOCK_DGRAM;
2675 break;
2676 case TARGET_SOCK_STREAM:
2677 host_type = SOCK_STREAM;
2678 break;
2679 default:
2680 host_type = target_type & TARGET_SOCK_TYPE_MASK;
2681 break;
2682 }
2683 if (target_type & TARGET_SOCK_CLOEXEC) {
2684#if defined(SOCK_CLOEXEC)
2685 host_type |= SOCK_CLOEXEC;
2686#else
2687 return -TARGET_EINVAL;
2688#endif
2689 }
2690 if (target_type & TARGET_SOCK_NONBLOCK) {
2691#if defined(SOCK_NONBLOCK)
2692 host_type |= SOCK_NONBLOCK;
2693#elif !defined(O_NONBLOCK)
2694 return -TARGET_EINVAL;
2695#endif
2696 }
2697 *type = host_type;
2698 return 0;
2699}
2700
2701
2702static int sock_flags_fixup(int fd, int target_type)
2703{
2704#if !defined(SOCK_NONBLOCK) && defined(O_NONBLOCK)
2705 if (target_type & TARGET_SOCK_NONBLOCK) {
2706 int flags = fcntl(fd, F_GETFL);
2707 if (fcntl(fd, F_SETFL, O_NONBLOCK | flags) == -1) {
2708 close(fd);
2709 return -TARGET_EINVAL;
2710 }
2711 }
2712#endif
2713 return fd;
2714}
2715
2716
2717static abi_long do_socket(int domain, int type, int protocol)
2718{
2719 int target_type = type;
2720 int ret;
2721
2722 ret = target_to_host_sock_type(&type);
2723 if (ret) {
2724 return ret;
2725 }
2726
2727 if (domain == PF_NETLINK && !(
2728#ifdef CONFIG_RTNETLINK
2729 protocol == NETLINK_ROUTE ||
2730#endif
2731 protocol == NETLINK_KOBJECT_UEVENT ||
2732 protocol == NETLINK_AUDIT)) {
2733 return -EPFNOSUPPORT;
2734 }
2735
2736 if (domain == AF_PACKET ||
2737 (domain == AF_INET && type == SOCK_PACKET)) {
2738 protocol = tswap16(protocol);
2739 }
2740
2741 ret = get_errno(socket(domain, type, protocol));
2742 if (ret >= 0) {
2743 ret = sock_flags_fixup(ret, target_type);
2744 if (type == SOCK_PACKET) {
2745
2746
2747
2748 fd_trans_register(ret, &target_packet_trans);
2749 } else if (domain == PF_NETLINK) {
2750 switch (protocol) {
2751#ifdef CONFIG_RTNETLINK
2752 case NETLINK_ROUTE:
2753 fd_trans_register(ret, &target_netlink_route_trans);
2754 break;
2755#endif
2756 case NETLINK_KOBJECT_UEVENT:
2757
2758 break;
2759 case NETLINK_AUDIT:
2760 fd_trans_register(ret, &target_netlink_audit_trans);
2761 break;
2762 default:
2763 g_assert_not_reached();
2764 }
2765 }
2766 }
2767 return ret;
2768}
2769
2770
2771static abi_long do_bind(int sockfd, abi_ulong target_addr,
2772 socklen_t addrlen)
2773{
2774 void *addr;
2775 abi_long ret;
2776
2777 if ((int)addrlen < 0) {
2778 return -TARGET_EINVAL;
2779 }
2780
2781 addr = alloca(addrlen+1);
2782
2783 ret = target_to_host_sockaddr(sockfd, addr, target_addr, addrlen);
2784 if (ret)
2785 return ret;
2786
2787 return get_errno(bind(sockfd, addr, addrlen));
2788}
2789
2790
2791static abi_long do_connect(int sockfd, abi_ulong target_addr,
2792 socklen_t addrlen)
2793{
2794 void *addr;
2795 abi_long ret;
2796
2797 if ((int)addrlen < 0) {
2798 return -TARGET_EINVAL;
2799 }
2800
2801 addr = alloca(addrlen+1);
2802
2803 ret = target_to_host_sockaddr(sockfd, addr, target_addr, addrlen);
2804 if (ret)
2805 return ret;
2806
2807 return get_errno(safe_connect(sockfd, addr, addrlen));
2808}
2809
2810
2811static abi_long do_sendrecvmsg_locked(int fd, struct target_msghdr *msgp,
2812 int flags, int send)
2813{
2814 abi_long ret, len;
2815 struct msghdr msg;
2816 abi_ulong count;
2817 struct iovec *vec;
2818 abi_ulong target_vec;
2819
2820 if (msgp->msg_name) {
2821 msg.msg_namelen = tswap32(msgp->msg_namelen);
2822 msg.msg_name = alloca(msg.msg_namelen+1);
2823 ret = target_to_host_sockaddr(fd, msg.msg_name,
2824 tswapal(msgp->msg_name),
2825 msg.msg_namelen);
2826 if (ret == -TARGET_EFAULT) {
2827
2828
2829
2830
2831
2832 msg.msg_name = (void *)-1;
2833 } else if (ret) {
2834 goto out2;
2835 }
2836 } else {
2837 msg.msg_name = NULL;
2838 msg.msg_namelen = 0;
2839 }
2840 msg.msg_controllen = 2 * tswapal(msgp->msg_controllen);
2841 msg.msg_control = alloca(msg.msg_controllen);
2842 memset(msg.msg_control, 0, msg.msg_controllen);
2843
2844 msg.msg_flags = tswap32(msgp->msg_flags);
2845
2846 count = tswapal(msgp->msg_iovlen);
2847 target_vec = tswapal(msgp->msg_iov);
2848
2849 if (count > IOV_MAX) {
2850
2851
2852
2853 ret = -TARGET_EMSGSIZE;
2854 goto out2;
2855 }
2856
2857 vec = lock_iovec(send ? VERIFY_READ : VERIFY_WRITE,
2858 target_vec, count, send);
2859 if (vec == NULL) {
2860 ret = -host_to_target_errno(errno);
2861 goto out2;
2862 }
2863 msg.msg_iovlen = count;
2864 msg.msg_iov = vec;
2865
2866 if (send) {
2867 if (fd_trans_target_to_host_data(fd)) {
2868 void *host_msg;
2869
2870 host_msg = g_malloc(msg.msg_iov->iov_len);
2871 memcpy(host_msg, msg.msg_iov->iov_base, msg.msg_iov->iov_len);
2872 ret = fd_trans_target_to_host_data(fd)(host_msg,
2873 msg.msg_iov->iov_len);
2874 if (ret >= 0) {
2875 msg.msg_iov->iov_base = host_msg;
2876 ret = get_errno(safe_sendmsg(fd, &msg, flags));
2877 }
2878 g_free(host_msg);
2879 } else {
2880 ret = target_to_host_cmsg(&msg, msgp);
2881 if (ret == 0) {
2882 ret = get_errno(safe_sendmsg(fd, &msg, flags));
2883 }
2884 }
2885 } else {
2886 ret = get_errno(safe_recvmsg(fd, &msg, flags));
2887 if (!is_error(ret)) {
2888 len = ret;
2889 if (fd_trans_host_to_target_data(fd)) {
2890 ret = fd_trans_host_to_target_data(fd)(msg.msg_iov->iov_base,
2891 MIN(msg.msg_iov->iov_len, len));
2892 } else {
2893 ret = host_to_target_cmsg(msgp, &msg);
2894 }
2895 if (!is_error(ret)) {
2896 msgp->msg_namelen = tswap32(msg.msg_namelen);
2897 msgp->msg_flags = tswap32(msg.msg_flags);
2898 if (msg.msg_name != NULL && msg.msg_name != (void *)-1) {
2899 ret = host_to_target_sockaddr(tswapal(msgp->msg_name),
2900 msg.msg_name, msg.msg_namelen);
2901 if (ret) {
2902 goto out;
2903 }
2904 }
2905
2906 ret = len;
2907 }
2908 }
2909 }
2910
2911out:
2912 unlock_iovec(vec, target_vec, count, !send);
2913out2:
2914 return ret;
2915}
2916
2917static abi_long do_sendrecvmsg(int fd, abi_ulong target_msg,
2918 int flags, int send)
2919{
2920 abi_long ret;
2921 struct target_msghdr *msgp;
2922
2923 if (!lock_user_struct(send ? VERIFY_READ : VERIFY_WRITE,
2924 msgp,
2925 target_msg,
2926 send ? 1 : 0)) {
2927 return -TARGET_EFAULT;
2928 }
2929 ret = do_sendrecvmsg_locked(fd, msgp, flags, send);
2930 unlock_user_struct(msgp, target_msg, send ? 0 : 1);
2931 return ret;
2932}
2933
2934
2935
2936
2937#ifndef MSG_WAITFORONE
2938#define MSG_WAITFORONE 0x10000
2939#endif
2940
2941static abi_long do_sendrecvmmsg(int fd, abi_ulong target_msgvec,
2942 unsigned int vlen, unsigned int flags,
2943 int send)
2944{
2945 struct target_mmsghdr *mmsgp;
2946 abi_long ret = 0;
2947 int i;
2948
2949 if (vlen > UIO_MAXIOV) {
2950 vlen = UIO_MAXIOV;
2951 }
2952
2953 mmsgp = lock_user(VERIFY_WRITE, target_msgvec, sizeof(*mmsgp) * vlen, 1);
2954 if (!mmsgp) {
2955 return -TARGET_EFAULT;
2956 }
2957
2958 for (i = 0; i < vlen; i++) {
2959 ret = do_sendrecvmsg_locked(fd, &mmsgp[i].msg_hdr, flags, send);
2960 if (is_error(ret)) {
2961 break;
2962 }
2963 mmsgp[i].msg_len = tswap32(ret);
2964
2965 if (flags & MSG_WAITFORONE) {
2966 flags |= MSG_DONTWAIT;
2967 }
2968 }
2969
2970 unlock_user(mmsgp, target_msgvec, sizeof(*mmsgp) * i);
2971
2972
2973
2974
2975 if (i) {
2976 return i;
2977 }
2978 return ret;
2979}
2980
2981
2982static abi_long do_accept4(int fd, abi_ulong target_addr,
2983 abi_ulong target_addrlen_addr, int flags)
2984{
2985 socklen_t addrlen, ret_addrlen;
2986 void *addr;
2987 abi_long ret;
2988 int host_flags;
2989
2990 host_flags = target_to_host_bitmask(flags, fcntl_flags_tbl);
2991
2992 if (target_addr == 0) {
2993 return get_errno(safe_accept4(fd, NULL, NULL, host_flags));
2994 }
2995
2996
2997 if (get_user_u32(addrlen, target_addrlen_addr))
2998 return -TARGET_EINVAL;
2999
3000 if ((int)addrlen < 0) {
3001 return -TARGET_EINVAL;
3002 }
3003
3004 if (!access_ok(VERIFY_WRITE, target_addr, addrlen))
3005 return -TARGET_EINVAL;
3006
3007 addr = alloca(addrlen);
3008
3009 ret_addrlen = addrlen;
3010 ret = get_errno(safe_accept4(fd, addr, &ret_addrlen, host_flags));
3011 if (!is_error(ret)) {
3012 host_to_target_sockaddr(target_addr, addr, MIN(addrlen, ret_addrlen));
3013 if (put_user_u32(ret_addrlen, target_addrlen_addr)) {
3014 ret = -TARGET_EFAULT;
3015 }
3016 }
3017 return ret;
3018}
3019
3020
3021static abi_long do_getpeername(int fd, abi_ulong target_addr,
3022 abi_ulong target_addrlen_addr)
3023{
3024 socklen_t addrlen, ret_addrlen;
3025 void *addr;
3026 abi_long ret;
3027
3028 if (get_user_u32(addrlen, target_addrlen_addr))
3029 return -TARGET_EFAULT;
3030
3031 if ((int)addrlen < 0) {
3032 return -TARGET_EINVAL;
3033 }
3034
3035 if (!access_ok(VERIFY_WRITE, target_addr, addrlen))
3036 return -TARGET_EFAULT;
3037
3038 addr = alloca(addrlen);
3039
3040 ret_addrlen = addrlen;
3041 ret = get_errno(getpeername(fd, addr, &ret_addrlen));
3042 if (!is_error(ret)) {
3043 host_to_target_sockaddr(target_addr, addr, MIN(addrlen, ret_addrlen));
3044 if (put_user_u32(ret_addrlen, target_addrlen_addr)) {
3045 ret = -TARGET_EFAULT;
3046 }
3047 }
3048 return ret;
3049}
3050
3051
3052static abi_long do_getsockname(int fd, abi_ulong target_addr,
3053 abi_ulong target_addrlen_addr)
3054{
3055 socklen_t addrlen, ret_addrlen;
3056 void *addr;
3057 abi_long ret;
3058
3059 if (get_user_u32(addrlen, target_addrlen_addr))
3060 return -TARGET_EFAULT;
3061
3062 if ((int)addrlen < 0) {
3063 return -TARGET_EINVAL;
3064 }
3065
3066 if (!access_ok(VERIFY_WRITE, target_addr, addrlen))
3067 return -TARGET_EFAULT;
3068
3069 addr = alloca(addrlen);
3070
3071 ret_addrlen = addrlen;
3072 ret = get_errno(getsockname(fd, addr, &ret_addrlen));
3073 if (!is_error(ret)) {
3074 host_to_target_sockaddr(target_addr, addr, MIN(addrlen, ret_addrlen));
3075 if (put_user_u32(ret_addrlen, target_addrlen_addr)) {
3076 ret = -TARGET_EFAULT;
3077 }
3078 }
3079 return ret;
3080}
3081
3082
3083static abi_long do_socketpair(int domain, int type, int protocol,
3084 abi_ulong target_tab_addr)
3085{
3086 int tab[2];
3087 abi_long ret;
3088
3089 target_to_host_sock_type(&type);
3090
3091 ret = get_errno(socketpair(domain, type, protocol, tab));
3092 if (!is_error(ret)) {
3093 if (put_user_s32(tab[0], target_tab_addr)
3094 || put_user_s32(tab[1], target_tab_addr + sizeof(tab[0])))
3095 ret = -TARGET_EFAULT;
3096 }
3097 return ret;
3098}
3099
3100
3101static abi_long do_sendto(int fd, abi_ulong msg, size_t len, int flags,
3102 abi_ulong target_addr, socklen_t addrlen)
3103{
3104 void *addr;
3105 void *host_msg;
3106 void *copy_msg = NULL;
3107 abi_long ret;
3108
3109 if ((int)addrlen < 0) {
3110 return -TARGET_EINVAL;
3111 }
3112
3113 host_msg = lock_user(VERIFY_READ, msg, len, 1);
3114 if (!host_msg)
3115 return -TARGET_EFAULT;
3116 if (fd_trans_target_to_host_data(fd)) {
3117 copy_msg = host_msg;
3118 host_msg = g_malloc(len);
3119 memcpy(host_msg, copy_msg, len);
3120 ret = fd_trans_target_to_host_data(fd)(host_msg, len);
3121 if (ret < 0) {
3122 goto fail;
3123 }
3124 }
3125 if (target_addr) {
3126 addr = alloca(addrlen+1);
3127 ret = target_to_host_sockaddr(fd, addr, target_addr, addrlen);
3128 if (ret) {
3129 goto fail;
3130 }
3131 ret = get_errno(safe_sendto(fd, host_msg, len, flags, addr, addrlen));
3132 } else {
3133 ret = get_errno(safe_sendto(fd, host_msg, len, flags, NULL, 0));
3134 }
3135fail:
3136 if (copy_msg) {
3137 g_free(host_msg);
3138 host_msg = copy_msg;
3139 }
3140 unlock_user(host_msg, msg, 0);
3141 return ret;
3142}
3143
3144
3145static abi_long do_recvfrom(int fd, abi_ulong msg, size_t len, int flags,
3146 abi_ulong target_addr,
3147 abi_ulong target_addrlen)
3148{
3149 socklen_t addrlen, ret_addrlen;
3150 void *addr;
3151 void *host_msg;
3152 abi_long ret;
3153
3154 host_msg = lock_user(VERIFY_WRITE, msg, len, 0);
3155 if (!host_msg)
3156 return -TARGET_EFAULT;
3157 if (target_addr) {
3158 if (get_user_u32(addrlen, target_addrlen)) {
3159 ret = -TARGET_EFAULT;
3160 goto fail;
3161 }
3162 if ((int)addrlen < 0) {
3163 ret = -TARGET_EINVAL;
3164 goto fail;
3165 }
3166 addr = alloca(addrlen);
3167 ret_addrlen = addrlen;
3168 ret = get_errno(safe_recvfrom(fd, host_msg, len, flags,
3169 addr, &ret_addrlen));
3170 } else {
3171 addr = NULL;
3172 addrlen = 0;
3173 ret = get_errno(safe_recvfrom(fd, host_msg, len, flags, NULL, 0));
3174 }
3175 if (!is_error(ret)) {
3176 if (fd_trans_host_to_target_data(fd)) {
3177 abi_long trans;
3178 trans = fd_trans_host_to_target_data(fd)(host_msg, MIN(ret, len));
3179 if (is_error(trans)) {
3180 ret = trans;
3181 goto fail;
3182 }
3183 }
3184 if (target_addr) {
3185 host_to_target_sockaddr(target_addr, addr,
3186 MIN(addrlen, ret_addrlen));
3187 if (put_user_u32(ret_addrlen, target_addrlen)) {
3188 ret = -TARGET_EFAULT;
3189 goto fail;
3190 }
3191 }
3192 unlock_user(host_msg, msg, len);
3193 } else {
3194fail:
3195 unlock_user(host_msg, msg, 0);
3196 }
3197 return ret;
3198}
3199
3200#ifdef TARGET_NR_socketcall
3201
3202static abi_long do_socketcall(int num, abi_ulong vptr)
3203{
3204 static const unsigned nargs[] = {
3205 [TARGET_SYS_SOCKET] = 3,
3206 [TARGET_SYS_BIND] = 3,
3207 [TARGET_SYS_CONNECT] = 3,
3208 [TARGET_SYS_LISTEN] = 2,
3209 [TARGET_SYS_ACCEPT] = 3,
3210 [TARGET_SYS_GETSOCKNAME] = 3,
3211 [TARGET_SYS_GETPEERNAME] = 3,
3212 [TARGET_SYS_SOCKETPAIR] = 4,
3213 [TARGET_SYS_SEND] = 4,
3214 [TARGET_SYS_RECV] = 4,
3215 [TARGET_SYS_SENDTO] = 6,
3216 [TARGET_SYS_RECVFROM] = 6,
3217 [TARGET_SYS_SHUTDOWN] = 2,
3218 [TARGET_SYS_SETSOCKOPT] = 5,
3219 [TARGET_SYS_GETSOCKOPT] = 5,
3220 [TARGET_SYS_SENDMSG] = 3,
3221 [TARGET_SYS_RECVMSG] = 3,
3222 [TARGET_SYS_ACCEPT4] = 4,
3223 [TARGET_SYS_RECVMMSG] = 4,
3224 [TARGET_SYS_SENDMMSG] = 4,
3225 };
3226 abi_long a[6];
3227 unsigned i;
3228
3229
3230
3231 if (num < 1 || num > TARGET_SYS_SENDMMSG) {
3232 return -TARGET_EINVAL;
3233 }
3234
3235 if (nargs[num] > ARRAY_SIZE(a)) {
3236 return -TARGET_EINVAL;
3237 }
3238
3239 for (i = 0; i < nargs[num]; ++i) {
3240 if (get_user_ual(a[i], vptr + i * sizeof(abi_long)) != 0) {
3241 return -TARGET_EFAULT;
3242 }
3243 }
3244
3245 switch (num) {
3246 case TARGET_SYS_SOCKET:
3247 return do_socket(a[0], a[1], a[2]);
3248 case TARGET_SYS_BIND:
3249 return do_bind(a[0], a[1], a[2]);
3250 case TARGET_SYS_CONNECT:
3251 return do_connect(a[0], a[1], a[2]);
3252 case TARGET_SYS_LISTEN:
3253 return get_errno(listen(a[0], a[1]));
3254 case TARGET_SYS_ACCEPT:
3255 return do_accept4(a[0], a[1], a[2], 0);
3256 case TARGET_SYS_GETSOCKNAME:
3257 return do_getsockname(a[0], a[1], a[2]);
3258 case TARGET_SYS_GETPEERNAME:
3259 return do_getpeername(a[0], a[1], a[2]);
3260 case TARGET_SYS_SOCKETPAIR:
3261 return do_socketpair(a[0], a[1], a[2], a[3]);
3262 case TARGET_SYS_SEND:
3263 return do_sendto(a[0], a[1], a[2], a[3], 0, 0);
3264 case TARGET_SYS_RECV:
3265 return do_recvfrom(a[0], a[1], a[2], a[3], 0, 0);
3266 case TARGET_SYS_SENDTO:
3267 return do_sendto(a[0], a[1], a[2], a[3], a[4], a[5]);
3268 case TARGET_SYS_RECVFROM:
3269 return do_recvfrom(a[0], a[1], a[2], a[3], a[4], a[5]);
3270 case TARGET_SYS_SHUTDOWN:
3271 return get_errno(shutdown(a[0], a[1]));
3272 case TARGET_SYS_SETSOCKOPT:
3273 return do_setsockopt(a[0], a[1], a[2], a[3], a[4]);
3274 case TARGET_SYS_GETSOCKOPT:
3275 return do_getsockopt(a[0], a[1], a[2], a[3], a[4]);
3276 case TARGET_SYS_SENDMSG:
3277 return do_sendrecvmsg(a[0], a[1], a[2], 1);
3278 case TARGET_SYS_RECVMSG:
3279 return do_sendrecvmsg(a[0], a[1], a[2], 0);
3280 case TARGET_SYS_ACCEPT4:
3281 return do_accept4(a[0], a[1], a[2], a[3]);
3282 case TARGET_SYS_RECVMMSG:
3283 return do_sendrecvmmsg(a[0], a[1], a[2], a[3], 0);
3284 case TARGET_SYS_SENDMMSG:
3285 return do_sendrecvmmsg(a[0], a[1], a[2], a[3], 1);
3286 default:
3287 gemu_log("Unsupported socketcall: %d\n", num);
3288 return -TARGET_EINVAL;
3289 }
3290}
3291#endif
3292
3293#define N_SHM_REGIONS 32
3294
3295static struct shm_region {
3296 abi_ulong start;
3297 abi_ulong size;
3298 bool in_use;
3299} shm_regions[N_SHM_REGIONS];
3300
3301#ifndef TARGET_SEMID64_DS
3302
3303struct target_semid64_ds
3304{
3305 struct target_ipc_perm sem_perm;
3306 abi_ulong sem_otime;
3307#if TARGET_ABI_BITS == 32
3308 abi_ulong __unused1;
3309#endif
3310 abi_ulong sem_ctime;
3311#if TARGET_ABI_BITS == 32
3312 abi_ulong __unused2;
3313#endif
3314 abi_ulong sem_nsems;
3315 abi_ulong __unused3;
3316 abi_ulong __unused4;
3317};
3318#endif
3319
3320static inline abi_long target_to_host_ipc_perm(struct ipc_perm *host_ip,
3321 abi_ulong target_addr)
3322{
3323 struct target_ipc_perm *target_ip;
3324 struct target_semid64_ds *target_sd;
3325
3326 if (!lock_user_struct(VERIFY_READ, target_sd, target_addr, 1))
3327 return -TARGET_EFAULT;
3328 target_ip = &(target_sd->sem_perm);
3329 host_ip->__key = tswap32(target_ip->__key);
3330 host_ip->uid = tswap32(target_ip->uid);
3331 host_ip->gid = tswap32(target_ip->gid);
3332 host_ip->cuid = tswap32(target_ip->cuid);
3333 host_ip->cgid = tswap32(target_ip->cgid);
3334#if defined(TARGET_ALPHA) || defined(TARGET_MIPS) || defined(TARGET_PPC)
3335 host_ip->mode = tswap32(target_ip->mode);
3336#else
3337 host_ip->mode = tswap16(target_ip->mode);
3338#endif
3339#if defined(TARGET_PPC)
3340 host_ip->__seq = tswap32(target_ip->__seq);
3341#else
3342 host_ip->__seq = tswap16(target_ip->__seq);
3343#endif
3344 unlock_user_struct(target_sd, target_addr, 0);
3345 return 0;
3346}
3347
3348static inline abi_long host_to_target_ipc_perm(abi_ulong target_addr,
3349 struct ipc_perm *host_ip)
3350{
3351 struct target_ipc_perm *target_ip;
3352 struct target_semid64_ds *target_sd;
3353
3354 if (!lock_user_struct(VERIFY_WRITE, target_sd, target_addr, 0))
3355 return -TARGET_EFAULT;
3356 target_ip = &(target_sd->sem_perm);
3357 target_ip->__key = tswap32(host_ip->__key);
3358 target_ip->uid = tswap32(host_ip->uid);
3359 target_ip->gid = tswap32(host_ip->gid);
3360 target_ip->cuid = tswap32(host_ip->cuid);
3361 target_ip->cgid = tswap32(host_ip->cgid);
3362#if defined(TARGET_ALPHA) || defined(TARGET_MIPS) || defined(TARGET_PPC)
3363 target_ip->mode = tswap32(host_ip->mode);
3364#else
3365 target_ip->mode = tswap16(host_ip->mode);
3366#endif
3367#if defined(TARGET_PPC)
3368 target_ip->__seq = tswap32(host_ip->__seq);
3369#else
3370 target_ip->__seq = tswap16(host_ip->__seq);
3371#endif
3372 unlock_user_struct(target_sd, target_addr, 1);
3373 return 0;
3374}
3375
3376static inline abi_long target_to_host_semid_ds(struct semid_ds *host_sd,
3377 abi_ulong target_addr)
3378{
3379 struct target_semid64_ds *target_sd;
3380
3381 if (!lock_user_struct(VERIFY_READ, target_sd, target_addr, 1))
3382 return -TARGET_EFAULT;
3383 if (target_to_host_ipc_perm(&(host_sd->sem_perm),target_addr))
3384 return -TARGET_EFAULT;
3385 host_sd->sem_nsems = tswapal(target_sd->sem_nsems);
3386 host_sd->sem_otime = tswapal(target_sd->sem_otime);
3387 host_sd->sem_ctime = tswapal(target_sd->sem_ctime);
3388 unlock_user_struct(target_sd, target_addr, 0);
3389 return 0;
3390}
3391
3392static inline abi_long host_to_target_semid_ds(abi_ulong target_addr,
3393 struct semid_ds *host_sd)
3394{
3395 struct target_semid64_ds *target_sd;
3396
3397 if (!lock_user_struct(VERIFY_WRITE, target_sd, target_addr, 0))
3398 return -TARGET_EFAULT;
3399 if (host_to_target_ipc_perm(target_addr,&(host_sd->sem_perm)))
3400 return -TARGET_EFAULT;
3401 target_sd->sem_nsems = tswapal(host_sd->sem_nsems);
3402 target_sd->sem_otime = tswapal(host_sd->sem_otime);
3403 target_sd->sem_ctime = tswapal(host_sd->sem_ctime);
3404 unlock_user_struct(target_sd, target_addr, 1);
3405 return 0;
3406}
3407
3408struct target_seminfo {
3409 int semmap;
3410 int semmni;
3411 int semmns;
3412 int semmnu;
3413 int semmsl;
3414 int semopm;
3415 int semume;
3416 int semusz;
3417 int semvmx;
3418 int semaem;
3419};
3420
3421static inline abi_long host_to_target_seminfo(abi_ulong target_addr,
3422 struct seminfo *host_seminfo)
3423{
3424 struct target_seminfo *target_seminfo;
3425 if (!lock_user_struct(VERIFY_WRITE, target_seminfo, target_addr, 0))
3426 return -TARGET_EFAULT;
3427 __put_user(host_seminfo->semmap, &target_seminfo->semmap);
3428 __put_user(host_seminfo->semmni, &target_seminfo->semmni);
3429 __put_user(host_seminfo->semmns, &target_seminfo->semmns);
3430 __put_user(host_seminfo->semmnu, &target_seminfo->semmnu);
3431 __put_user(host_seminfo->semmsl, &target_seminfo->semmsl);
3432 __put_user(host_seminfo->semopm, &target_seminfo->semopm);
3433 __put_user(host_seminfo->semume, &target_seminfo->semume);
3434 __put_user(host_seminfo->semusz, &target_seminfo->semusz);
3435 __put_user(host_seminfo->semvmx, &target_seminfo->semvmx);
3436 __put_user(host_seminfo->semaem, &target_seminfo->semaem);
3437 unlock_user_struct(target_seminfo, target_addr, 1);
3438 return 0;
3439}
3440
3441union semun {
3442 int val;
3443 struct semid_ds *buf;
3444 unsigned short *array;
3445 struct seminfo *__buf;
3446};
3447
3448union target_semun {
3449 int val;
3450 abi_ulong buf;
3451 abi_ulong array;
3452 abi_ulong __buf;
3453};
3454
3455static inline abi_long target_to_host_semarray(int semid, unsigned short **host_array,
3456 abi_ulong target_addr)
3457{
3458 int nsems;
3459 unsigned short *array;
3460 union semun semun;
3461 struct semid_ds semid_ds;
3462 int i, ret;
3463
3464 semun.buf = &semid_ds;
3465
3466 ret = semctl(semid, 0, IPC_STAT, semun);
3467 if (ret == -1)
3468 return get_errno(ret);
3469
3470 nsems = semid_ds.sem_nsems;
3471
3472 *host_array = g_try_new(unsigned short, nsems);
3473 if (!*host_array) {
3474 return -TARGET_ENOMEM;
3475 }
3476 array = lock_user(VERIFY_READ, target_addr,
3477 nsems*sizeof(unsigned short), 1);
3478 if (!array) {
3479 g_free(*host_array);
3480 return -TARGET_EFAULT;
3481 }
3482
3483 for(i=0; i<nsems; i++) {
3484 __get_user((*host_array)[i], &array[i]);
3485 }
3486 unlock_user(array, target_addr, 0);
3487
3488 return 0;
3489}
3490
3491static inline abi_long host_to_target_semarray(int semid, abi_ulong target_addr,
3492 unsigned short **host_array)
3493{
3494 int nsems;
3495 unsigned short *array;
3496 union semun semun;
3497 struct semid_ds semid_ds;
3498 int i, ret;
3499
3500 semun.buf = &semid_ds;
3501
3502 ret = semctl(semid, 0, IPC_STAT, semun);
3503 if (ret == -1)
3504 return get_errno(ret);
3505
3506 nsems = semid_ds.sem_nsems;
3507
3508 array = lock_user(VERIFY_WRITE, target_addr,
3509 nsems*sizeof(unsigned short), 0);
3510 if (!array)
3511 return -TARGET_EFAULT;
3512
3513 for(i=0; i<nsems; i++) {
3514 __put_user((*host_array)[i], &array[i]);
3515 }
3516 g_free(*host_array);
3517 unlock_user(array, target_addr, 1);
3518
3519 return 0;
3520}
3521
3522static inline abi_long do_semctl(int semid, int semnum, int cmd,
3523 abi_ulong target_arg)
3524{
3525 union target_semun target_su = { .buf = target_arg };
3526 union semun arg;
3527 struct semid_ds dsarg;
3528 unsigned short *array = NULL;
3529 struct seminfo seminfo;
3530 abi_long ret = -TARGET_EINVAL;
3531 abi_long err;
3532 cmd &= 0xff;
3533
3534 switch( cmd ) {
3535 case GETVAL:
3536 case SETVAL:
3537
3538
3539
3540
3541
3542 if (sizeof(target_su.val) != (sizeof(target_su.buf))) {
3543 target_su.buf = tswapal(target_su.buf);
3544 arg.val = tswap32(target_su.val);
3545 } else {
3546 arg.val = target_su.val;
3547 }
3548 ret = get_errno(semctl(semid, semnum, cmd, arg));
3549 break;
3550 case GETALL:
3551 case SETALL:
3552 err = target_to_host_semarray(semid, &array, target_su.array);
3553 if (err)
3554 return err;
3555 arg.array = array;
3556 ret = get_errno(semctl(semid, semnum, cmd, arg));
3557 err = host_to_target_semarray(semid, target_su.array, &array);
3558 if (err)
3559 return err;
3560 break;
3561 case IPC_STAT:
3562 case IPC_SET:
3563 case SEM_STAT:
3564 err = target_to_host_semid_ds(&dsarg, target_su.buf);
3565 if (err)
3566 return err;
3567 arg.buf = &dsarg;
3568 ret = get_errno(semctl(semid, semnum, cmd, arg));
3569 err = host_to_target_semid_ds(target_su.buf, &dsarg);
3570 if (err)
3571 return err;
3572 break;
3573 case IPC_INFO:
3574 case SEM_INFO:
3575 arg.__buf = &seminfo;
3576 ret = get_errno(semctl(semid, semnum, cmd, arg));
3577 err = host_to_target_seminfo(target_su.__buf, &seminfo);
3578 if (err)
3579 return err;
3580 break;
3581 case IPC_RMID:
3582 case GETPID:
3583 case GETNCNT:
3584 case GETZCNT:
3585 ret = get_errno(semctl(semid, semnum, cmd, NULL));
3586 break;
3587 }
3588
3589 return ret;
3590}
3591
3592struct target_sembuf {
3593 unsigned short sem_num;
3594 short sem_op;
3595 short sem_flg;
3596};
3597
3598static inline abi_long target_to_host_sembuf(struct sembuf *host_sembuf,
3599 abi_ulong target_addr,
3600 unsigned nsops)
3601{
3602 struct target_sembuf *target_sembuf;
3603 int i;
3604
3605 target_sembuf = lock_user(VERIFY_READ, target_addr,
3606 nsops*sizeof(struct target_sembuf), 1);
3607 if (!target_sembuf)
3608 return -TARGET_EFAULT;
3609
3610 for(i=0; i<nsops; i++) {
3611 __get_user(host_sembuf[i].sem_num, &target_sembuf[i].sem_num);
3612 __get_user(host_sembuf[i].sem_op, &target_sembuf[i].sem_op);
3613 __get_user(host_sembuf[i].sem_flg, &target_sembuf[i].sem_flg);
3614 }
3615
3616 unlock_user(target_sembuf, target_addr, 0);
3617
3618 return 0;
3619}
3620
3621static inline abi_long do_semop(int semid, abi_long ptr, unsigned nsops)
3622{
3623 struct sembuf sops[nsops];
3624 abi_long ret;
3625
3626 if (target_to_host_sembuf(sops, ptr, nsops))
3627 return -TARGET_EFAULT;
3628
3629 ret = -TARGET_ENOSYS;
3630#ifdef __NR_semtimedop
3631 ret = get_errno(safe_semtimedop(semid, sops, nsops, NULL));
3632#endif
3633#ifdef __NR_ipc
3634 if (ret == -TARGET_ENOSYS) {
3635 ret = get_errno(safe_ipc(IPCOP_semtimedop, semid, nsops, 0, sops, 0));
3636 }
3637#endif
3638 return ret;
3639}
3640
3641struct target_msqid_ds
3642{
3643 struct target_ipc_perm msg_perm;
3644 abi_ulong msg_stime;
3645#if TARGET_ABI_BITS == 32
3646 abi_ulong __unused1;
3647#endif
3648 abi_ulong msg_rtime;
3649#if TARGET_ABI_BITS == 32
3650 abi_ulong __unused2;
3651#endif
3652 abi_ulong msg_ctime;
3653#if TARGET_ABI_BITS == 32
3654 abi_ulong __unused3;
3655#endif
3656 abi_ulong __msg_cbytes;
3657 abi_ulong msg_qnum;
3658 abi_ulong msg_qbytes;
3659 abi_ulong msg_lspid;
3660 abi_ulong msg_lrpid;
3661 abi_ulong __unused4;
3662 abi_ulong __unused5;
3663};
3664
3665static inline abi_long target_to_host_msqid_ds(struct msqid_ds *host_md,
3666 abi_ulong target_addr)
3667{
3668 struct target_msqid_ds *target_md;
3669
3670 if (!lock_user_struct(VERIFY_READ, target_md, target_addr, 1))
3671 return -TARGET_EFAULT;
3672 if (target_to_host_ipc_perm(&(host_md->msg_perm),target_addr))
3673 return -TARGET_EFAULT;
3674 host_md->msg_stime = tswapal(target_md->msg_stime);
3675 host_md->msg_rtime = tswapal(target_md->msg_rtime);
3676 host_md->msg_ctime = tswapal(target_md->msg_ctime);
3677 host_md->__msg_cbytes = tswapal(target_md->__msg_cbytes);
3678 host_md->msg_qnum = tswapal(target_md->msg_qnum);
3679 host_md->msg_qbytes = tswapal(target_md->msg_qbytes);
3680 host_md->msg_lspid = tswapal(target_md->msg_lspid);
3681 host_md->msg_lrpid = tswapal(target_md->msg_lrpid);
3682 unlock_user_struct(target_md, target_addr, 0);
3683 return 0;
3684}
3685
3686static inline abi_long host_to_target_msqid_ds(abi_ulong target_addr,
3687 struct msqid_ds *host_md)
3688{
3689 struct target_msqid_ds *target_md;
3690
3691 if (!lock_user_struct(VERIFY_WRITE, target_md, target_addr, 0))
3692 return -TARGET_EFAULT;
3693 if (host_to_target_ipc_perm(target_addr,&(host_md->msg_perm)))
3694 return -TARGET_EFAULT;
3695 target_md->msg_stime = tswapal(host_md->msg_stime);
3696 target_md->msg_rtime = tswapal(host_md->msg_rtime);
3697 target_md->msg_ctime = tswapal(host_md->msg_ctime);
3698 target_md->__msg_cbytes = tswapal(host_md->__msg_cbytes);
3699 target_md->msg_qnum = tswapal(host_md->msg_qnum);
3700 target_md->msg_qbytes = tswapal(host_md->msg_qbytes);
3701 target_md->msg_lspid = tswapal(host_md->msg_lspid);
3702 target_md->msg_lrpid = tswapal(host_md->msg_lrpid);
3703 unlock_user_struct(target_md, target_addr, 1);
3704 return 0;
3705}
3706
3707struct target_msginfo {
3708 int msgpool;
3709 int msgmap;
3710 int msgmax;
3711 int msgmnb;
3712 int msgmni;
3713 int msgssz;
3714 int msgtql;
3715 unsigned short int msgseg;
3716};
3717
3718static inline abi_long host_to_target_msginfo(abi_ulong target_addr,
3719 struct msginfo *host_msginfo)
3720{
3721 struct target_msginfo *target_msginfo;
3722 if (!lock_user_struct(VERIFY_WRITE, target_msginfo, target_addr, 0))
3723 return -TARGET_EFAULT;
3724 __put_user(host_msginfo->msgpool, &target_msginfo->msgpool);
3725 __put_user(host_msginfo->msgmap, &target_msginfo->msgmap);
3726 __put_user(host_msginfo->msgmax, &target_msginfo->msgmax);
3727 __put_user(host_msginfo->msgmnb, &target_msginfo->msgmnb);
3728 __put_user(host_msginfo->msgmni, &target_msginfo->msgmni);
3729 __put_user(host_msginfo->msgssz, &target_msginfo->msgssz);
3730 __put_user(host_msginfo->msgtql, &target_msginfo->msgtql);
3731 __put_user(host_msginfo->msgseg, &target_msginfo->msgseg);
3732 unlock_user_struct(target_msginfo, target_addr, 1);
3733 return 0;
3734}
3735
3736static inline abi_long do_msgctl(int msgid, int cmd, abi_long ptr)
3737{
3738 struct msqid_ds dsarg;
3739 struct msginfo msginfo;
3740 abi_long ret = -TARGET_EINVAL;
3741
3742 cmd &= 0xff;
3743
3744 switch (cmd) {
3745 case IPC_STAT:
3746 case IPC_SET:
3747 case MSG_STAT:
3748 if (target_to_host_msqid_ds(&dsarg,ptr))
3749 return -TARGET_EFAULT;
3750 ret = get_errno(msgctl(msgid, cmd, &dsarg));
3751 if (host_to_target_msqid_ds(ptr,&dsarg))
3752 return -TARGET_EFAULT;
3753 break;
3754 case IPC_RMID:
3755 ret = get_errno(msgctl(msgid, cmd, NULL));
3756 break;
3757 case IPC_INFO:
3758 case MSG_INFO:
3759 ret = get_errno(msgctl(msgid, cmd, (struct msqid_ds *)&msginfo));
3760 if (host_to_target_msginfo(ptr, &msginfo))
3761 return -TARGET_EFAULT;
3762 break;
3763 }
3764
3765 return ret;
3766}
3767
3768struct target_msgbuf {
3769 abi_long mtype;
3770 char mtext[1];
3771};
3772
3773static inline abi_long do_msgsnd(int msqid, abi_long msgp,
3774 ssize_t msgsz, int msgflg)
3775{
3776 struct target_msgbuf *target_mb;
3777 struct msgbuf *host_mb;
3778 abi_long ret = 0;
3779
3780 if (msgsz < 0) {
3781 return -TARGET_EINVAL;
3782 }
3783
3784 if (!lock_user_struct(VERIFY_READ, target_mb, msgp, 0))
3785 return -TARGET_EFAULT;
3786 host_mb = g_try_malloc(msgsz + sizeof(long));
3787 if (!host_mb) {
3788 unlock_user_struct(target_mb, msgp, 0);
3789 return -TARGET_ENOMEM;
3790 }
3791 host_mb->mtype = (abi_long) tswapal(target_mb->mtype);
3792 memcpy(host_mb->mtext, target_mb->mtext, msgsz);
3793 ret = -TARGET_ENOSYS;
3794#ifdef __NR_msgsnd
3795 ret = get_errno(safe_msgsnd(msqid, host_mb, msgsz, msgflg));
3796#endif
3797#ifdef __NR_ipc
3798 if (ret == -TARGET_ENOSYS) {
3799 ret = get_errno(safe_ipc(IPCOP_msgsnd, msqid, msgsz, msgflg,
3800 host_mb, 0));
3801 }
3802#endif
3803 g_free(host_mb);
3804 unlock_user_struct(target_mb, msgp, 0);
3805
3806 return ret;
3807}
3808
3809static inline abi_long do_msgrcv(int msqid, abi_long msgp,
3810 ssize_t msgsz, abi_long msgtyp,
3811 int msgflg)
3812{
3813 struct target_msgbuf *target_mb;
3814 char *target_mtext;
3815 struct msgbuf *host_mb;
3816 abi_long ret = 0;
3817
3818 if (msgsz < 0) {
3819 return -TARGET_EINVAL;
3820 }
3821
3822 if (!lock_user_struct(VERIFY_WRITE, target_mb, msgp, 0))
3823 return -TARGET_EFAULT;
3824
3825 host_mb = g_try_malloc(msgsz + sizeof(long));
3826 if (!host_mb) {
3827 ret = -TARGET_ENOMEM;
3828 goto end;
3829 }
3830 ret = -TARGET_ENOSYS;
3831#ifdef __NR_msgrcv
3832 ret = get_errno(safe_msgrcv(msqid, host_mb, msgsz, msgtyp, msgflg));
3833#endif
3834#ifdef __NR_ipc
3835 if (ret == -TARGET_ENOSYS) {
3836 ret = get_errno(safe_ipc(IPCOP_CALL(1, IPCOP_msgrcv), msqid, msgsz,
3837 msgflg, host_mb, msgtyp));
3838 }
3839#endif
3840
3841 if (ret > 0) {
3842 abi_ulong target_mtext_addr = msgp + sizeof(abi_ulong);
3843 target_mtext = lock_user(VERIFY_WRITE, target_mtext_addr, ret, 0);
3844 if (!target_mtext) {
3845 ret = -TARGET_EFAULT;
3846 goto end;
3847 }
3848 memcpy(target_mb->mtext, host_mb->mtext, ret);
3849 unlock_user(target_mtext, target_mtext_addr, ret);
3850 }
3851
3852 target_mb->mtype = tswapal(host_mb->mtype);
3853
3854end:
3855 if (target_mb)
3856 unlock_user_struct(target_mb, msgp, 1);
3857 g_free(host_mb);
3858 return ret;
3859}
3860
3861static inline abi_long target_to_host_shmid_ds(struct shmid_ds *host_sd,
3862 abi_ulong target_addr)
3863{
3864 struct target_shmid_ds *target_sd;
3865
3866 if (!lock_user_struct(VERIFY_READ, target_sd, target_addr, 1))
3867 return -TARGET_EFAULT;
3868 if (target_to_host_ipc_perm(&(host_sd->shm_perm), target_addr))
3869 return -TARGET_EFAULT;
3870 __get_user(host_sd->shm_segsz, &target_sd->shm_segsz);
3871 __get_user(host_sd->shm_atime, &target_sd->shm_atime);
3872 __get_user(host_sd->shm_dtime, &target_sd->shm_dtime);
3873 __get_user(host_sd->shm_ctime, &target_sd->shm_ctime);
3874 __get_user(host_sd->shm_cpid, &target_sd->shm_cpid);
3875 __get_user(host_sd->shm_lpid, &target_sd->shm_lpid);
3876 __get_user(host_sd->shm_nattch, &target_sd->shm_nattch);
3877 unlock_user_struct(target_sd, target_addr, 0);
3878 return 0;
3879}
3880
3881static inline abi_long host_to_target_shmid_ds(abi_ulong target_addr,
3882 struct shmid_ds *host_sd)
3883{
3884 struct target_shmid_ds *target_sd;
3885
3886 if (!lock_user_struct(VERIFY_WRITE, target_sd, target_addr, 0))
3887 return -TARGET_EFAULT;
3888 if (host_to_target_ipc_perm(target_addr, &(host_sd->shm_perm)))
3889 return -TARGET_EFAULT;
3890 __put_user(host_sd->shm_segsz, &target_sd->shm_segsz);
3891 __put_user(host_sd->shm_atime, &target_sd->shm_atime);
3892 __put_user(host_sd->shm_dtime, &target_sd->shm_dtime);
3893 __put_user(host_sd->shm_ctime, &target_sd->shm_ctime);
3894 __put_user(host_sd->shm_cpid, &target_sd->shm_cpid);
3895 __put_user(host_sd->shm_lpid, &target_sd->shm_lpid);
3896 __put_user(host_sd->shm_nattch, &target_sd->shm_nattch);
3897 unlock_user_struct(target_sd, target_addr, 1);
3898 return 0;
3899}
3900
3901struct target_shminfo {
3902 abi_ulong shmmax;
3903 abi_ulong shmmin;
3904 abi_ulong shmmni;
3905 abi_ulong shmseg;
3906 abi_ulong shmall;
3907};
3908
3909static inline abi_long host_to_target_shminfo(abi_ulong target_addr,
3910 struct shminfo *host_shminfo)
3911{
3912 struct target_shminfo *target_shminfo;
3913 if (!lock_user_struct(VERIFY_WRITE, target_shminfo, target_addr, 0))
3914 return -TARGET_EFAULT;
3915 __put_user(host_shminfo->shmmax, &target_shminfo->shmmax);
3916 __put_user(host_shminfo->shmmin, &target_shminfo->shmmin);
3917 __put_user(host_shminfo->shmmni, &target_shminfo->shmmni);
3918 __put_user(host_shminfo->shmseg, &target_shminfo->shmseg);
3919 __put_user(host_shminfo->shmall, &target_shminfo->shmall);
3920 unlock_user_struct(target_shminfo, target_addr, 1);
3921 return 0;
3922}
3923
3924struct target_shm_info {
3925 int used_ids;
3926 abi_ulong shm_tot;
3927 abi_ulong shm_rss;
3928 abi_ulong shm_swp;
3929 abi_ulong swap_attempts;
3930 abi_ulong swap_successes;
3931};
3932
3933static inline abi_long host_to_target_shm_info(abi_ulong target_addr,
3934 struct shm_info *host_shm_info)
3935{
3936 struct target_shm_info *target_shm_info;
3937 if (!lock_user_struct(VERIFY_WRITE, target_shm_info, target_addr, 0))
3938 return -TARGET_EFAULT;
3939 __put_user(host_shm_info->used_ids, &target_shm_info->used_ids);
3940 __put_user(host_shm_info->shm_tot, &target_shm_info->shm_tot);
3941 __put_user(host_shm_info->shm_rss, &target_shm_info->shm_rss);
3942 __put_user(host_shm_info->shm_swp, &target_shm_info->shm_swp);
3943 __put_user(host_shm_info->swap_attempts, &target_shm_info->swap_attempts);
3944 __put_user(host_shm_info->swap_successes, &target_shm_info->swap_successes);
3945 unlock_user_struct(target_shm_info, target_addr, 1);
3946 return 0;
3947}
3948
3949static inline abi_long do_shmctl(int shmid, int cmd, abi_long buf)
3950{
3951 struct shmid_ds dsarg;
3952 struct shminfo shminfo;
3953 struct shm_info shm_info;
3954 abi_long ret = -TARGET_EINVAL;
3955
3956 cmd &= 0xff;
3957
3958 switch(cmd) {
3959 case IPC_STAT:
3960 case IPC_SET:
3961 case SHM_STAT:
3962 if (target_to_host_shmid_ds(&dsarg, buf))
3963 return -TARGET_EFAULT;
3964 ret = get_errno(shmctl(shmid, cmd, &dsarg));
3965 if (host_to_target_shmid_ds(buf, &dsarg))
3966 return -TARGET_EFAULT;
3967 break;
3968 case IPC_INFO:
3969 ret = get_errno(shmctl(shmid, cmd, (struct shmid_ds *)&shminfo));
3970 if (host_to_target_shminfo(buf, &shminfo))
3971 return -TARGET_EFAULT;
3972 break;
3973 case SHM_INFO:
3974 ret = get_errno(shmctl(shmid, cmd, (struct shmid_ds *)&shm_info));
3975 if (host_to_target_shm_info(buf, &shm_info))
3976 return -TARGET_EFAULT;
3977 break;
3978 case IPC_RMID:
3979 case SHM_LOCK:
3980 case SHM_UNLOCK:
3981 ret = get_errno(shmctl(shmid, cmd, NULL));
3982 break;
3983 }
3984
3985 return ret;
3986}
3987
3988#ifndef TARGET_FORCE_SHMLBA
3989
3990
3991
3992
3993
3994
3995
3996
3997
3998
3999
4000
4001
4002static inline abi_ulong target_shmlba(CPUArchState *cpu_env)
4003{
4004 return TARGET_PAGE_SIZE;
4005}
4006#endif
4007
4008static inline abi_ulong do_shmat(CPUArchState *cpu_env,
4009 int shmid, abi_ulong shmaddr, int shmflg)
4010{
4011 abi_long raddr;
4012 void *host_raddr;
4013 struct shmid_ds shm_info;
4014 int i,ret;
4015 abi_ulong shmlba;
4016
4017
4018 ret = get_errno(shmctl(shmid, IPC_STAT, &shm_info));
4019 if (is_error(ret)) {
4020
4021 return ret;
4022 }
4023
4024 shmlba = target_shmlba(cpu_env);
4025
4026 if (shmaddr & (shmlba - 1)) {
4027 if (shmflg & SHM_RND) {
4028 shmaddr &= ~(shmlba - 1);
4029 } else {
4030 return -TARGET_EINVAL;
4031 }
4032 }
4033 if (!guest_range_valid(shmaddr, shm_info.shm_segsz)) {
4034 return -TARGET_EINVAL;
4035 }
4036
4037 mmap_lock();
4038
4039 if (shmaddr)
4040 host_raddr = shmat(shmid, (void *)g2h(shmaddr), shmflg);
4041 else {
4042 abi_ulong mmap_start;
4043
4044
4045 mmap_start = mmap_find_vma(0, shm_info.shm_segsz, MAX(SHMLBA, shmlba));
4046
4047 if (mmap_start == -1) {
4048 errno = ENOMEM;
4049 host_raddr = (void *)-1;
4050 } else
4051 host_raddr = shmat(shmid, g2h(mmap_start), shmflg | SHM_REMAP);
4052 }
4053
4054 if (host_raddr == (void *)-1) {
4055 mmap_unlock();
4056 return get_errno((long)host_raddr);
4057 }
4058 raddr=h2g((unsigned long)host_raddr);
4059
4060 page_set_flags(raddr, raddr + shm_info.shm_segsz,
4061 PAGE_VALID | PAGE_READ |
4062 ((shmflg & SHM_RDONLY)? 0 : PAGE_WRITE));
4063
4064 for (i = 0; i < N_SHM_REGIONS; i++) {
4065 if (!shm_regions[i].in_use) {
4066 shm_regions[i].in_use = true;
4067 shm_regions[i].start = raddr;
4068 shm_regions[i].size = shm_info.shm_segsz;
4069 break;
4070 }
4071 }
4072
4073 mmap_unlock();
4074 return raddr;
4075
4076}
4077
4078static inline abi_long do_shmdt(abi_ulong shmaddr)
4079{
4080 int i;
4081 abi_long rv;
4082
4083 mmap_lock();
4084
4085 for (i = 0; i < N_SHM_REGIONS; ++i) {
4086 if (shm_regions[i].in_use && shm_regions[i].start == shmaddr) {
4087 shm_regions[i].in_use = false;
4088 page_set_flags(shmaddr, shmaddr + shm_regions[i].size, 0);
4089 break;
4090 }
4091 }
4092 rv = get_errno(shmdt(g2h(shmaddr)));
4093
4094 mmap_unlock();
4095
4096 return rv;
4097}
4098
4099#ifdef TARGET_NR_ipc
4100
4101
4102static abi_long do_ipc(CPUArchState *cpu_env,
4103 unsigned int call, abi_long first,
4104 abi_long second, abi_long third,
4105 abi_long ptr, abi_long fifth)
4106{
4107 int version;
4108 abi_long ret = 0;
4109
4110 version = call >> 16;
4111 call &= 0xffff;
4112
4113 switch (call) {
4114 case IPCOP_semop:
4115 ret = do_semop(first, ptr, second);
4116 break;
4117
4118 case IPCOP_semget:
4119 ret = get_errno(semget(first, second, third));
4120 break;
4121
4122 case IPCOP_semctl: {
4123
4124
4125 abi_ulong atptr;
4126 get_user_ual(atptr, ptr);
4127 ret = do_semctl(first, second, third, atptr);
4128 break;
4129 }
4130
4131 case IPCOP_msgget:
4132 ret = get_errno(msgget(first, second));
4133 break;
4134
4135 case IPCOP_msgsnd:
4136 ret = do_msgsnd(first, ptr, second, third);
4137 break;
4138
4139 case IPCOP_msgctl:
4140 ret = do_msgctl(first, second, ptr);
4141 break;
4142
4143 case IPCOP_msgrcv:
4144 switch (version) {
4145 case 0:
4146 {
4147 struct target_ipc_kludge {
4148 abi_long msgp;
4149 abi_long msgtyp;
4150 } *tmp;
4151
4152 if (!lock_user_struct(VERIFY_READ, tmp, ptr, 1)) {
4153 ret = -TARGET_EFAULT;
4154 break;
4155 }
4156
4157 ret = do_msgrcv(first, tswapal(tmp->msgp), second, tswapal(tmp->msgtyp), third);
4158
4159 unlock_user_struct(tmp, ptr, 0);
4160 break;
4161 }
4162 default:
4163 ret = do_msgrcv(first, ptr, second, fifth, third);
4164 }
4165 break;
4166
4167 case IPCOP_shmat:
4168 switch (version) {
4169 default:
4170 {
4171 abi_ulong raddr;
4172 raddr = do_shmat(cpu_env, first, ptr, second);
4173 if (is_error(raddr))
4174 return get_errno(raddr);
4175 if (put_user_ual(raddr, third))
4176 return -TARGET_EFAULT;
4177 break;
4178 }
4179 case 1:
4180 ret = -TARGET_EINVAL;
4181 break;
4182 }
4183 break;
4184 case IPCOP_shmdt:
4185 ret = do_shmdt(ptr);
4186 break;
4187
4188 case IPCOP_shmget:
4189
4190 ret = get_errno(shmget(first, second, third));
4191 break;
4192
4193
4194 case IPCOP_shmctl:
4195 ret = do_shmctl(first, second, ptr);
4196 break;
4197 default:
4198 gemu_log("Unsupported ipc call: %d (version %d)\n", call, version);
4199 ret = -TARGET_ENOSYS;
4200 break;
4201 }
4202 return ret;
4203}
4204#endif
4205
4206
4207
4208#define STRUCT(name, ...) STRUCT_ ## name,
4209#define STRUCT_SPECIAL(name) STRUCT_ ## name,
4210enum {
4211#include "syscall_types.h"
4212STRUCT_MAX
4213};
4214#undef STRUCT
4215#undef STRUCT_SPECIAL
4216
4217#define STRUCT(name, ...) static const argtype struct_ ## name ## _def[] = { __VA_ARGS__, TYPE_NULL };
4218#define STRUCT_SPECIAL(name)
4219#include "syscall_types.h"
4220#undef STRUCT
4221#undef STRUCT_SPECIAL
4222
4223typedef struct IOCTLEntry IOCTLEntry;
4224
4225typedef abi_long do_ioctl_fn(const IOCTLEntry *ie, uint8_t *buf_temp,
4226 int fd, int cmd, abi_long arg);
4227
4228struct IOCTLEntry {
4229 int target_cmd;
4230 unsigned int host_cmd;
4231 const char *name;
4232 int access;
4233 do_ioctl_fn *do_ioctl;
4234 const argtype arg_type[5];
4235};
4236
4237#define IOC_R 0x0001
4238#define IOC_W 0x0002
4239#define IOC_RW (IOC_R | IOC_W)
4240
4241#define MAX_STRUCT_SIZE 4096
4242
4243#ifdef CONFIG_FIEMAP
4244
4245
4246
4247
4248#define FIEMAP_MAX_EXTENTS ((UINT_MAX - sizeof(struct fiemap)) \
4249 / sizeof(struct fiemap_extent))
4250
4251static abi_long do_ioctl_fs_ioc_fiemap(const IOCTLEntry *ie, uint8_t *buf_temp,
4252 int fd, int cmd, abi_long arg)
4253{
4254
4255
4256
4257
4258
4259 int target_size_in, target_size_out;
4260 struct fiemap *fm;
4261 const argtype *arg_type = ie->arg_type;
4262 const argtype extent_arg_type[] = { MK_STRUCT(STRUCT_fiemap_extent) };
4263 void *argptr, *p;
4264 abi_long ret;
4265 int i, extent_size = thunk_type_size(extent_arg_type, 0);
4266 uint32_t outbufsz;
4267 int free_fm = 0;
4268
4269 assert(arg_type[0] == TYPE_PTR);
4270 assert(ie->access == IOC_RW);
4271 arg_type++;
4272 target_size_in = thunk_type_size(arg_type, 0);
4273 argptr = lock_user(VERIFY_READ, arg, target_size_in, 1);
4274 if (!argptr) {
4275 return -TARGET_EFAULT;
4276 }
4277 thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST);
4278 unlock_user(argptr, arg, 0);
4279 fm = (struct fiemap *)buf_temp;
4280 if (fm->fm_extent_count > FIEMAP_MAX_EXTENTS) {
4281 return -TARGET_EINVAL;
4282 }
4283
4284 outbufsz = sizeof (*fm) +
4285 (sizeof(struct fiemap_extent) * fm->fm_extent_count);
4286
4287 if (outbufsz > MAX_STRUCT_SIZE) {
4288
4289
4290
4291 fm = g_try_malloc(outbufsz);
4292 if (!fm) {
4293 return -TARGET_ENOMEM;
4294 }
4295 memcpy(fm, buf_temp, sizeof(struct fiemap));
4296 free_fm = 1;
4297 }
4298 ret = get_errno(safe_ioctl(fd, ie->host_cmd, fm));
4299 if (!is_error(ret)) {
4300 target_size_out = target_size_in;
4301
4302
4303
4304 if (fm->fm_extent_count != 0) {
4305 target_size_out += fm->fm_mapped_extents * extent_size;
4306 }
4307 argptr = lock_user(VERIFY_WRITE, arg, target_size_out, 0);
4308 if (!argptr) {
4309 ret = -TARGET_EFAULT;
4310 } else {
4311
4312 thunk_convert(argptr, fm, arg_type, THUNK_TARGET);
4313 if (fm->fm_extent_count != 0) {
4314 p = argptr + target_size_in;
4315
4316 for (i = 0; i < fm->fm_mapped_extents; i++) {
4317 thunk_convert(p, &fm->fm_extents[i], extent_arg_type,
4318 THUNK_TARGET);
4319 p += extent_size;
4320 }
4321 }
4322 unlock_user(argptr, arg, target_size_out);
4323 }
4324 }
4325 if (free_fm) {
4326 g_free(fm);
4327 }
4328 return ret;
4329}
4330#endif
4331
4332static abi_long do_ioctl_ifconf(const IOCTLEntry *ie, uint8_t *buf_temp,
4333 int fd, int cmd, abi_long arg)
4334{
4335 const argtype *arg_type = ie->arg_type;
4336 int target_size;
4337 void *argptr;
4338 int ret;
4339 struct ifconf *host_ifconf;
4340 uint32_t outbufsz;
4341 const argtype ifreq_arg_type[] = { MK_STRUCT(STRUCT_sockaddr_ifreq) };
4342 int target_ifreq_size;
4343 int nb_ifreq;
4344 int free_buf = 0;
4345 int i;
4346 int target_ifc_len;
4347 abi_long target_ifc_buf;
4348 int host_ifc_len;
4349 char *host_ifc_buf;
4350
4351 assert(arg_type[0] == TYPE_PTR);
4352 assert(ie->access == IOC_RW);
4353
4354 arg_type++;
4355 target_size = thunk_type_size(arg_type, 0);
4356
4357 argptr = lock_user(VERIFY_READ, arg, target_size, 1);
4358 if (!argptr)
4359 return -TARGET_EFAULT;
4360 thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST);
4361 unlock_user(argptr, arg, 0);
4362
4363 host_ifconf = (struct ifconf *)(unsigned long)buf_temp;
4364 target_ifc_buf = (abi_long)(unsigned long)host_ifconf->ifc_buf;
4365 target_ifreq_size = thunk_type_size(ifreq_arg_type, 0);
4366
4367 if (target_ifc_buf != 0) {
4368 target_ifc_len = host_ifconf->ifc_len;
4369 nb_ifreq = target_ifc_len / target_ifreq_size;
4370 host_ifc_len = nb_ifreq * sizeof(struct ifreq);
4371
4372 outbufsz = sizeof(*host_ifconf) + host_ifc_len;
4373 if (outbufsz > MAX_STRUCT_SIZE) {
4374
4375
4376
4377
4378 host_ifconf = malloc(outbufsz);
4379 if (!host_ifconf) {
4380 return -TARGET_ENOMEM;
4381 }
4382 memcpy(host_ifconf, buf_temp, sizeof(*host_ifconf));
4383 free_buf = 1;
4384 }
4385 host_ifc_buf = (char *)host_ifconf + sizeof(*host_ifconf);
4386
4387 host_ifconf->ifc_len = host_ifc_len;
4388 } else {
4389 host_ifc_buf = NULL;
4390 }
4391 host_ifconf->ifc_buf = host_ifc_buf;
4392
4393 ret = get_errno(safe_ioctl(fd, ie->host_cmd, host_ifconf));
4394 if (!is_error(ret)) {
4395
4396
4397 nb_ifreq = host_ifconf->ifc_len / sizeof(struct ifreq);
4398 target_ifc_len = nb_ifreq * target_ifreq_size;
4399 host_ifconf->ifc_len = target_ifc_len;
4400
4401
4402
4403 host_ifconf->ifc_buf = (char *)(unsigned long)target_ifc_buf;
4404
4405
4406
4407 argptr = lock_user(VERIFY_WRITE, arg, target_size, 0);
4408 if (!argptr)
4409 return -TARGET_EFAULT;
4410 thunk_convert(argptr, host_ifconf, arg_type, THUNK_TARGET);
4411 unlock_user(argptr, arg, target_size);
4412
4413 if (target_ifc_buf != 0) {
4414
4415 argptr = lock_user(VERIFY_WRITE, target_ifc_buf, target_ifc_len, 0);
4416 for (i = 0; i < nb_ifreq ; i++) {
4417 thunk_convert(argptr + i * target_ifreq_size,
4418 host_ifc_buf + i * sizeof(struct ifreq),
4419 ifreq_arg_type, THUNK_TARGET);
4420 }
4421 unlock_user(argptr, target_ifc_buf, target_ifc_len);
4422 }
4423 }
4424
4425 if (free_buf) {
4426 free(host_ifconf);
4427 }
4428
4429 return ret;
4430}
4431
4432#if defined(CONFIG_USBFS)
4433#if HOST_LONG_BITS > 64
4434#error USBDEVFS thunks do not support >64 bit hosts yet.
4435#endif
4436struct live_urb {
4437 uint64_t target_urb_adr;
4438 uint64_t target_buf_adr;
4439 char *target_buf_ptr;
4440 struct usbdevfs_urb host_urb;
4441};
4442
4443static GHashTable *usbdevfs_urb_hashtable(void)
4444{
4445 static GHashTable *urb_hashtable;
4446
4447 if (!urb_hashtable) {
4448 urb_hashtable = g_hash_table_new(g_int64_hash, g_int64_equal);
4449 }
4450 return urb_hashtable;
4451}
4452
4453static void urb_hashtable_insert(struct live_urb *urb)
4454{
4455 GHashTable *urb_hashtable = usbdevfs_urb_hashtable();
4456 g_hash_table_insert(urb_hashtable, urb, urb);
4457}
4458
4459static struct live_urb *urb_hashtable_lookup(uint64_t target_urb_adr)
4460{
4461 GHashTable *urb_hashtable = usbdevfs_urb_hashtable();
4462 return g_hash_table_lookup(urb_hashtable, &target_urb_adr);
4463}
4464
4465static void urb_hashtable_remove(struct live_urb *urb)
4466{
4467 GHashTable *urb_hashtable = usbdevfs_urb_hashtable();
4468 g_hash_table_remove(urb_hashtable, urb);
4469}
4470
4471static abi_long
4472do_ioctl_usbdevfs_reapurb(const IOCTLEntry *ie, uint8_t *buf_temp,
4473 int fd, int cmd, abi_long arg)
4474{
4475 const argtype usbfsurb_arg_type[] = { MK_STRUCT(STRUCT_usbdevfs_urb) };
4476 const argtype ptrvoid_arg_type[] = { TYPE_PTRVOID, 0, 0 };
4477 struct live_urb *lurb;
4478 void *argptr;
4479 uint64_t hurb;
4480 int target_size;
4481 uintptr_t target_urb_adr;
4482 abi_long ret;
4483
4484 target_size = thunk_type_size(usbfsurb_arg_type, THUNK_TARGET);
4485
4486 memset(buf_temp, 0, sizeof(uint64_t));
4487 ret = get_errno(safe_ioctl(fd, ie->host_cmd, buf_temp));
4488 if (is_error(ret)) {
4489 return ret;
4490 }
4491
4492 memcpy(&hurb, buf_temp, sizeof(uint64_t));
4493 lurb = (void *)((uintptr_t)hurb - offsetof(struct live_urb, host_urb));
4494 if (!lurb->target_urb_adr) {
4495 return -TARGET_EFAULT;
4496 }
4497 urb_hashtable_remove(lurb);
4498 unlock_user(lurb->target_buf_ptr, lurb->target_buf_adr,
4499 lurb->host_urb.buffer_length);
4500 lurb->target_buf_ptr = NULL;
4501
4502
4503 lurb->host_urb.buffer = (void *)(uintptr_t)lurb->target_buf_adr;
4504
4505
4506 argptr = lock_user(VERIFY_WRITE, lurb->target_urb_adr, target_size, 0);
4507 if (!argptr) {
4508 g_free(lurb);
4509 return -TARGET_EFAULT;
4510 }
4511 thunk_convert(argptr, &lurb->host_urb, usbfsurb_arg_type, THUNK_TARGET);
4512 unlock_user(argptr, lurb->target_urb_adr, target_size);
4513
4514 target_size = thunk_type_size(ptrvoid_arg_type, THUNK_TARGET);
4515
4516 argptr = lock_user(VERIFY_WRITE, arg, target_size, 0);
4517 if (!argptr) {
4518 g_free(lurb);
4519 return -TARGET_EFAULT;
4520 }
4521
4522
4523 target_urb_adr = lurb->target_urb_adr;
4524 thunk_convert(argptr, &target_urb_adr, ptrvoid_arg_type, THUNK_TARGET);
4525 unlock_user(argptr, arg, target_size);
4526
4527 g_free(lurb);
4528 return ret;
4529}
4530
4531static abi_long
4532do_ioctl_usbdevfs_discardurb(const IOCTLEntry *ie,
4533 uint8_t *buf_temp __attribute__((unused)),
4534 int fd, int cmd, abi_long arg)
4535{
4536 struct live_urb *lurb;
4537
4538
4539 lurb = urb_hashtable_lookup(arg);
4540 if (!lurb) {
4541 return -TARGET_EFAULT;
4542 }
4543 return get_errno(safe_ioctl(fd, ie->host_cmd, &lurb->host_urb));
4544}
4545
4546static abi_long
4547do_ioctl_usbdevfs_submiturb(const IOCTLEntry *ie, uint8_t *buf_temp,
4548 int fd, int cmd, abi_long arg)
4549{
4550 const argtype *arg_type = ie->arg_type;
4551 int target_size;
4552 abi_long ret;
4553 void *argptr;
4554 int rw_dir;
4555 struct live_urb *lurb;
4556
4557
4558
4559
4560
4561
4562
4563 arg_type++;
4564 target_size = thunk_type_size(arg_type, THUNK_TARGET);
4565
4566
4567 lurb = g_try_malloc0(sizeof(struct live_urb));
4568 if (!lurb) {
4569 return -TARGET_ENOMEM;
4570 }
4571
4572 argptr = lock_user(VERIFY_READ, arg, target_size, 1);
4573 if (!argptr) {
4574 g_free(lurb);
4575 return -TARGET_EFAULT;
4576 }
4577 thunk_convert(&lurb->host_urb, argptr, arg_type, THUNK_HOST);
4578 unlock_user(argptr, arg, 0);
4579
4580 lurb->target_urb_adr = arg;
4581 lurb->target_buf_adr = (uintptr_t)lurb->host_urb.buffer;
4582
4583
4584
4585 rw_dir = lurb->host_urb.endpoint & USB_DIR_IN ? VERIFY_WRITE : VERIFY_READ;
4586 lurb->target_buf_ptr = lock_user(rw_dir, lurb->target_buf_adr,
4587 lurb->host_urb.buffer_length, 1);
4588 if (lurb->target_buf_ptr == NULL) {
4589 g_free(lurb);
4590 return -TARGET_EFAULT;
4591 }
4592
4593
4594 lurb->host_urb.buffer = lurb->target_buf_ptr;
4595
4596 ret = get_errno(safe_ioctl(fd, ie->host_cmd, &lurb->host_urb));
4597 if (is_error(ret)) {
4598 unlock_user(lurb->target_buf_ptr, lurb->target_buf_adr, 0);
4599 g_free(lurb);
4600 } else {
4601 urb_hashtable_insert(lurb);
4602 }
4603
4604 return ret;
4605}
4606#endif
4607
4608static abi_long do_ioctl_dm(const IOCTLEntry *ie, uint8_t *buf_temp, int fd,
4609 int cmd, abi_long arg)
4610{
4611 void *argptr;
4612 struct dm_ioctl *host_dm;
4613 abi_long guest_data;
4614 uint32_t guest_data_size;
4615 int target_size;
4616 const argtype *arg_type = ie->arg_type;
4617 abi_long ret;
4618 void *big_buf = NULL;
4619 char *host_data;
4620
4621 arg_type++;
4622 target_size = thunk_type_size(arg_type, 0);
4623 argptr = lock_user(VERIFY_READ, arg, target_size, 1);
4624 if (!argptr) {
4625 ret = -TARGET_EFAULT;
4626 goto out;
4627 }
4628 thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST);
4629 unlock_user(argptr, arg, 0);
4630
4631
4632 big_buf = g_malloc0(((struct dm_ioctl*)buf_temp)->data_size * 2);
4633 memcpy(big_buf, buf_temp, target_size);
4634 buf_temp = big_buf;
4635 host_dm = big_buf;
4636
4637 guest_data = arg + host_dm->data_start;
4638 if ((guest_data - arg) < 0) {
4639 ret = -TARGET_EINVAL;
4640 goto out;
4641 }
4642 guest_data_size = host_dm->data_size - host_dm->data_start;
4643 host_data = (char*)host_dm + host_dm->data_start;
4644
4645 argptr = lock_user(VERIFY_READ, guest_data, guest_data_size, 1);
4646 if (!argptr) {
4647 ret = -TARGET_EFAULT;
4648 goto out;
4649 }
4650
4651 switch (ie->host_cmd) {
4652 case DM_REMOVE_ALL:
4653 case DM_LIST_DEVICES:
4654 case DM_DEV_CREATE:
4655 case DM_DEV_REMOVE:
4656 case DM_DEV_SUSPEND:
4657 case DM_DEV_STATUS:
4658 case DM_DEV_WAIT:
4659 case DM_TABLE_STATUS:
4660 case DM_TABLE_CLEAR:
4661 case DM_TABLE_DEPS:
4662 case DM_LIST_VERSIONS:
4663
4664 break;
4665 case DM_DEV_RENAME:
4666 case DM_DEV_SET_GEOMETRY:
4667
4668 memcpy(host_data, argptr, guest_data_size);
4669 break;
4670 case DM_TARGET_MSG:
4671 memcpy(host_data, argptr, guest_data_size);
4672 *(uint64_t*)host_data = tswap64(*(uint64_t*)argptr);
4673 break;
4674 case DM_TABLE_LOAD:
4675 {
4676 void *gspec = argptr;
4677 void *cur_data = host_data;
4678 const argtype arg_type[] = { MK_STRUCT(STRUCT_dm_target_spec) };
4679 int spec_size = thunk_type_size(arg_type, 0);
4680 int i;
4681
4682 for (i = 0; i < host_dm->target_count; i++) {
4683 struct dm_target_spec *spec = cur_data;
4684 uint32_t next;
4685 int slen;
4686
4687 thunk_convert(spec, gspec, arg_type, THUNK_HOST);
4688 slen = strlen((char*)gspec + spec_size) + 1;
4689 next = spec->next;
4690 spec->next = sizeof(*spec) + slen;
4691 strcpy((char*)&spec[1], gspec + spec_size);
4692 gspec += next;
4693 cur_data += spec->next;
4694 }
4695 break;
4696 }
4697 default:
4698 ret = -TARGET_EINVAL;
4699 unlock_user(argptr, guest_data, 0);
4700 goto out;
4701 }
4702 unlock_user(argptr, guest_data, 0);
4703
4704 ret = get_errno(safe_ioctl(fd, ie->host_cmd, buf_temp));
4705 if (!is_error(ret)) {
4706 guest_data = arg + host_dm->data_start;
4707 guest_data_size = host_dm->data_size - host_dm->data_start;
4708 argptr = lock_user(VERIFY_WRITE, guest_data, guest_data_size, 0);
4709 switch (ie->host_cmd) {
4710 case DM_REMOVE_ALL:
4711 case DM_DEV_CREATE:
4712 case DM_DEV_REMOVE:
4713 case DM_DEV_RENAME:
4714 case DM_DEV_SUSPEND:
4715 case DM_DEV_STATUS:
4716 case DM_TABLE_LOAD:
4717 case DM_TABLE_CLEAR:
4718 case DM_TARGET_MSG:
4719 case DM_DEV_SET_GEOMETRY:
4720
4721 break;
4722 case DM_LIST_DEVICES:
4723 {
4724 struct dm_name_list *nl = (void*)host_dm + host_dm->data_start;
4725 uint32_t remaining_data = guest_data_size;
4726 void *cur_data = argptr;
4727 const argtype arg_type[] = { MK_STRUCT(STRUCT_dm_name_list) };
4728 int nl_size = 12;
4729
4730 while (1) {
4731 uint32_t next = nl->next;
4732 if (next) {
4733 nl->next = nl_size + (strlen(nl->name) + 1);
4734 }
4735 if (remaining_data < nl->next) {
4736 host_dm->flags |= DM_BUFFER_FULL_FLAG;
4737 break;
4738 }
4739 thunk_convert(cur_data, nl, arg_type, THUNK_TARGET);
4740 strcpy(cur_data + nl_size, nl->name);
4741 cur_data += nl->next;
4742 remaining_data -= nl->next;
4743 if (!next) {
4744 break;
4745 }
4746 nl = (void*)nl + next;
4747 }
4748 break;
4749 }
4750 case DM_DEV_WAIT:
4751 case DM_TABLE_STATUS:
4752 {
4753 struct dm_target_spec *spec = (void*)host_dm + host_dm->data_start;
4754 void *cur_data = argptr;
4755 const argtype arg_type[] = { MK_STRUCT(STRUCT_dm_target_spec) };
4756 int spec_size = thunk_type_size(arg_type, 0);
4757 int i;
4758
4759 for (i = 0; i < host_dm->target_count; i++) {
4760 uint32_t next = spec->next;
4761 int slen = strlen((char*)&spec[1]) + 1;
4762 spec->next = (cur_data - argptr) + spec_size + slen;
4763 if (guest_data_size < spec->next) {
4764 host_dm->flags |= DM_BUFFER_FULL_FLAG;
4765 break;
4766 }
4767 thunk_convert(cur_data, spec, arg_type, THUNK_TARGET);
4768 strcpy(cur_data + spec_size, (char*)&spec[1]);
4769 cur_data = argptr + spec->next;
4770 spec = (void*)host_dm + host_dm->data_start + next;
4771 }
4772 break;
4773 }
4774 case DM_TABLE_DEPS:
4775 {
4776 void *hdata = (void*)host_dm + host_dm->data_start;
4777 int count = *(uint32_t*)hdata;
4778 uint64_t *hdev = hdata + 8;
4779 uint64_t *gdev = argptr + 8;
4780 int i;
4781
4782 *(uint32_t*)argptr = tswap32(count);
4783 for (i = 0; i < count; i++) {
4784 *gdev = tswap64(*hdev);
4785 gdev++;
4786 hdev++;
4787 }
4788 break;
4789 }
4790 case DM_LIST_VERSIONS:
4791 {
4792 struct dm_target_versions *vers = (void*)host_dm + host_dm->data_start;
4793 uint32_t remaining_data = guest_data_size;
4794 void *cur_data = argptr;
4795 const argtype arg_type[] = { MK_STRUCT(STRUCT_dm_target_versions) };
4796 int vers_size = thunk_type_size(arg_type, 0);
4797
4798 while (1) {
4799 uint32_t next = vers->next;
4800 if (next) {
4801 vers->next = vers_size + (strlen(vers->name) + 1);
4802 }
4803 if (remaining_data < vers->next) {
4804 host_dm->flags |= DM_BUFFER_FULL_FLAG;
4805 break;
4806 }
4807 thunk_convert(cur_data, vers, arg_type, THUNK_TARGET);
4808 strcpy(cur_data + vers_size, vers->name);
4809 cur_data += vers->next;
4810 remaining_data -= vers->next;
4811 if (!next) {
4812 break;
4813 }
4814 vers = (void*)vers + next;
4815 }
4816 break;
4817 }
4818 default:
4819 unlock_user(argptr, guest_data, 0);
4820 ret = -TARGET_EINVAL;
4821 goto out;
4822 }
4823 unlock_user(argptr, guest_data, guest_data_size);
4824
4825 argptr = lock_user(VERIFY_WRITE, arg, target_size, 0);
4826 if (!argptr) {
4827 ret = -TARGET_EFAULT;
4828 goto out;
4829 }
4830 thunk_convert(argptr, buf_temp, arg_type, THUNK_TARGET);
4831 unlock_user(argptr, arg, target_size);
4832 }
4833out:
4834 g_free(big_buf);
4835 return ret;
4836}
4837
4838static abi_long do_ioctl_blkpg(const IOCTLEntry *ie, uint8_t *buf_temp, int fd,
4839 int cmd, abi_long arg)
4840{
4841 void *argptr;
4842 int target_size;
4843 const argtype *arg_type = ie->arg_type;
4844 const argtype part_arg_type[] = { MK_STRUCT(STRUCT_blkpg_partition) };
4845 abi_long ret;
4846
4847 struct blkpg_ioctl_arg *host_blkpg = (void*)buf_temp;
4848 struct blkpg_partition host_part;
4849
4850
4851 arg_type++;
4852 target_size = thunk_type_size(arg_type, 0);
4853 argptr = lock_user(VERIFY_READ, arg, target_size, 1);
4854 if (!argptr) {
4855 ret = -TARGET_EFAULT;
4856 goto out;
4857 }
4858 thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST);
4859 unlock_user(argptr, arg, 0);
4860
4861 switch (host_blkpg->op) {
4862 case BLKPG_ADD_PARTITION:
4863 case BLKPG_DEL_PARTITION:
4864
4865 break;
4866 default:
4867
4868 ret = -TARGET_EINVAL;
4869 goto out;
4870 }
4871
4872
4873 arg = (abi_long)(uintptr_t)host_blkpg->data;
4874 target_size = thunk_type_size(part_arg_type, 0);
4875 argptr = lock_user(VERIFY_READ, arg, target_size, 1);
4876 if (!argptr) {
4877 ret = -TARGET_EFAULT;
4878 goto out;
4879 }
4880 thunk_convert(&host_part, argptr, part_arg_type, THUNK_HOST);
4881 unlock_user(argptr, arg, 0);
4882
4883
4884 host_blkpg->data = &host_part;
4885 ret = get_errno(safe_ioctl(fd, ie->host_cmd, host_blkpg));
4886
4887out:
4888 return ret;
4889}
4890
4891static abi_long do_ioctl_rt(const IOCTLEntry *ie, uint8_t *buf_temp,
4892 int fd, int cmd, abi_long arg)
4893{
4894 const argtype *arg_type = ie->arg_type;
4895 const StructEntry *se;
4896 const argtype *field_types;
4897 const int *dst_offsets, *src_offsets;
4898 int target_size;
4899 void *argptr;
4900 abi_ulong *target_rt_dev_ptr = NULL;
4901 unsigned long *host_rt_dev_ptr = NULL;
4902 abi_long ret;
4903 int i;
4904
4905 assert(ie->access == IOC_W);
4906 assert(*arg_type == TYPE_PTR);
4907 arg_type++;
4908 assert(*arg_type == TYPE_STRUCT);
4909 target_size = thunk_type_size(arg_type, 0);
4910 argptr = lock_user(VERIFY_READ, arg, target_size, 1);
4911 if (!argptr) {
4912 return -TARGET_EFAULT;
4913 }
4914 arg_type++;
4915 assert(*arg_type == (int)STRUCT_rtentry);
4916 se = struct_entries + *arg_type++;
4917 assert(se->convert[0] == NULL);
4918
4919 field_types = se->field_types;
4920 dst_offsets = se->field_offsets[THUNK_HOST];
4921 src_offsets = se->field_offsets[THUNK_TARGET];
4922 for (i = 0; i < se->nb_fields; i++) {
4923 if (dst_offsets[i] == offsetof(struct rtentry, rt_dev)) {
4924 assert(*field_types == TYPE_PTRVOID);
4925 target_rt_dev_ptr = (abi_ulong *)(argptr + src_offsets[i]);
4926 host_rt_dev_ptr = (unsigned long *)(buf_temp + dst_offsets[i]);
4927 if (*target_rt_dev_ptr != 0) {
4928 *host_rt_dev_ptr = (unsigned long)lock_user_string(
4929 tswapal(*target_rt_dev_ptr));
4930 if (!*host_rt_dev_ptr) {
4931 unlock_user(argptr, arg, 0);
4932 return -TARGET_EFAULT;
4933 }
4934 } else {
4935 *host_rt_dev_ptr = 0;
4936 }
4937 field_types++;
4938 continue;
4939 }
4940 field_types = thunk_convert(buf_temp + dst_offsets[i],
4941 argptr + src_offsets[i],
4942 field_types, THUNK_HOST);
4943 }
4944 unlock_user(argptr, arg, 0);
4945
4946 ret = get_errno(safe_ioctl(fd, ie->host_cmd, buf_temp));
4947
4948 assert(host_rt_dev_ptr != NULL);
4949 assert(target_rt_dev_ptr != NULL);
4950 if (*host_rt_dev_ptr != 0) {
4951 unlock_user((void *)*host_rt_dev_ptr,
4952 *target_rt_dev_ptr, 0);
4953 }
4954 return ret;
4955}
4956
4957static abi_long do_ioctl_kdsigaccept(const IOCTLEntry *ie, uint8_t *buf_temp,
4958 int fd, int cmd, abi_long arg)
4959{
4960 int sig = target_to_host_signal(arg);
4961 return get_errno(safe_ioctl(fd, ie->host_cmd, sig));
4962}
4963
4964static abi_long do_ioctl_SIOCGSTAMP(const IOCTLEntry *ie, uint8_t *buf_temp,
4965 int fd, int cmd, abi_long arg)
4966{
4967 struct timeval tv;
4968 abi_long ret;
4969
4970 ret = get_errno(safe_ioctl(fd, SIOCGSTAMP, &tv));
4971 if (is_error(ret)) {
4972 return ret;
4973 }
4974
4975 if (cmd == (int)TARGET_SIOCGSTAMP_OLD) {
4976 if (copy_to_user_timeval(arg, &tv)) {
4977 return -TARGET_EFAULT;
4978 }
4979 } else {
4980 if (copy_to_user_timeval64(arg, &tv)) {
4981 return -TARGET_EFAULT;
4982 }
4983 }
4984
4985 return ret;
4986}
4987
4988static abi_long do_ioctl_SIOCGSTAMPNS(const IOCTLEntry *ie, uint8_t *buf_temp,
4989 int fd, int cmd, abi_long arg)
4990{
4991 struct timespec ts;
4992 abi_long ret;
4993
4994 ret = get_errno(safe_ioctl(fd, SIOCGSTAMPNS, &ts));
4995 if (is_error(ret)) {
4996 return ret;
4997 }
4998
4999 if (cmd == (int)TARGET_SIOCGSTAMPNS_OLD) {
5000 if (host_to_target_timespec(arg, &ts)) {
5001 return -TARGET_EFAULT;
5002 }
5003 } else{
5004 if (host_to_target_timespec64(arg, &ts)) {
5005 return -TARGET_EFAULT;
5006 }
5007 }
5008
5009 return ret;
5010}
5011
5012#ifdef TIOCGPTPEER
5013static abi_long do_ioctl_tiocgptpeer(const IOCTLEntry *ie, uint8_t *buf_temp,
5014 int fd, int cmd, abi_long arg)
5015{
5016 int flags = target_to_host_bitmask(arg, fcntl_flags_tbl);
5017 return get_errno(safe_ioctl(fd, ie->host_cmd, flags));
5018}
5019#endif
5020
5021static IOCTLEntry ioctl_entries[] = {
5022#define IOCTL(cmd, access, ...) \
5023 { TARGET_ ## cmd, cmd, #cmd, access, 0, { __VA_ARGS__ } },
5024#define IOCTL_SPECIAL(cmd, access, dofn, ...) \
5025 { TARGET_ ## cmd, cmd, #cmd, access, dofn, { __VA_ARGS__ } },
5026#define IOCTL_IGNORE(cmd) \
5027 { TARGET_ ## cmd, 0, #cmd },
5028#include "ioctls.h"
5029 { 0, 0, },
5030};
5031
5032
5033
5034static abi_long do_ioctl(int fd, int cmd, abi_long arg)
5035{
5036 const IOCTLEntry *ie;
5037 const argtype *arg_type;
5038 abi_long ret;
5039 uint8_t buf_temp[MAX_STRUCT_SIZE];
5040 int target_size;
5041 void *argptr;
5042
5043 ie = ioctl_entries;
5044 for(;;) {
5045 if (ie->target_cmd == 0) {
5046 gemu_log("Unsupported ioctl: cmd=0x%04lx\n", (long)cmd);
5047 return -TARGET_ENOSYS;
5048 }
5049 if (ie->target_cmd == cmd)
5050 break;
5051 ie++;
5052 }
5053 arg_type = ie->arg_type;
5054 if (ie->do_ioctl) {
5055 return ie->do_ioctl(ie, buf_temp, fd, cmd, arg);
5056 } else if (!ie->host_cmd) {
5057
5058
5059 return -TARGET_ENOSYS;
5060 }
5061
5062 switch(arg_type[0]) {
5063 case TYPE_NULL:
5064
5065 ret = get_errno(safe_ioctl(fd, ie->host_cmd));
5066 break;
5067 case TYPE_PTRVOID:
5068 case TYPE_INT:
5069 ret = get_errno(safe_ioctl(fd, ie->host_cmd, arg));
5070 break;
5071 case TYPE_PTR:
5072 arg_type++;
5073 target_size = thunk_type_size(arg_type, 0);
5074 switch(ie->access) {
5075 case IOC_R:
5076 ret = get_errno(safe_ioctl(fd, ie->host_cmd, buf_temp));
5077 if (!is_error(ret)) {
5078 argptr = lock_user(VERIFY_WRITE, arg, target_size, 0);
5079 if (!argptr)
5080 return -TARGET_EFAULT;
5081 thunk_convert(argptr, buf_temp, arg_type, THUNK_TARGET);
5082 unlock_user(argptr, arg, target_size);
5083 }
5084 break;
5085 case IOC_W:
5086 argptr = lock_user(VERIFY_READ, arg, target_size, 1);
5087 if (!argptr)
5088 return -TARGET_EFAULT;
5089 thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST);
5090 unlock_user(argptr, arg, 0);
5091 ret = get_errno(safe_ioctl(fd, ie->host_cmd, buf_temp));
5092 break;
5093 default:
5094 case IOC_RW:
5095 argptr = lock_user(VERIFY_READ, arg, target_size, 1);
5096 if (!argptr)
5097 return -TARGET_EFAULT;
5098 thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST);
5099 unlock_user(argptr, arg, 0);
5100 ret = get_errno(safe_ioctl(fd, ie->host_cmd, buf_temp));
5101 if (!is_error(ret)) {
5102 argptr = lock_user(VERIFY_WRITE, arg, target_size, 0);
5103 if (!argptr)
5104 return -TARGET_EFAULT;
5105 thunk_convert(argptr, buf_temp, arg_type, THUNK_TARGET);
5106 unlock_user(argptr, arg, target_size);
5107 }
5108 break;
5109 }
5110 break;
5111 default:
5112 gemu_log("Unsupported ioctl type: cmd=0x%04lx type=%d\n",
5113 (long)cmd, arg_type[0]);
5114 ret = -TARGET_ENOSYS;
5115 break;
5116 }
5117 return ret;
5118}
5119
5120static const bitmask_transtbl iflag_tbl[] = {
5121 { TARGET_IGNBRK, TARGET_IGNBRK, IGNBRK, IGNBRK },
5122 { TARGET_BRKINT, TARGET_BRKINT, BRKINT, BRKINT },
5123 { TARGET_IGNPAR, TARGET_IGNPAR, IGNPAR, IGNPAR },
5124 { TARGET_PARMRK, TARGET_PARMRK, PARMRK, PARMRK },
5125 { TARGET_INPCK, TARGET_INPCK, INPCK, INPCK },
5126 { TARGET_ISTRIP, TARGET_ISTRIP, ISTRIP, ISTRIP },
5127 { TARGET_INLCR, TARGET_INLCR, INLCR, INLCR },
5128 { TARGET_IGNCR, TARGET_IGNCR, IGNCR, IGNCR },
5129 { TARGET_ICRNL, TARGET_ICRNL, ICRNL, ICRNL },
5130 { TARGET_IUCLC, TARGET_IUCLC, IUCLC, IUCLC },
5131 { TARGET_IXON, TARGET_IXON, IXON, IXON },
5132 { TARGET_IXANY, TARGET_IXANY, IXANY, IXANY },
5133 { TARGET_IXOFF, TARGET_IXOFF, IXOFF, IXOFF },
5134 { TARGET_IMAXBEL, TARGET_IMAXBEL, IMAXBEL, IMAXBEL },
5135 { 0, 0, 0, 0 }
5136};
5137
5138static const bitmask_transtbl oflag_tbl[] = {
5139 { TARGET_OPOST, TARGET_OPOST, OPOST, OPOST },
5140 { TARGET_OLCUC, TARGET_OLCUC, OLCUC, OLCUC },
5141 { TARGET_ONLCR, TARGET_ONLCR, ONLCR, ONLCR },
5142 { TARGET_OCRNL, TARGET_OCRNL, OCRNL, OCRNL },
5143 { TARGET_ONOCR, TARGET_ONOCR, ONOCR, ONOCR },
5144 { TARGET_ONLRET, TARGET_ONLRET, ONLRET, ONLRET },
5145 { TARGET_OFILL, TARGET_OFILL, OFILL, OFILL },
5146 { TARGET_OFDEL, TARGET_OFDEL, OFDEL, OFDEL },
5147 { TARGET_NLDLY, TARGET_NL0, NLDLY, NL0 },
5148 { TARGET_NLDLY, TARGET_NL1, NLDLY, NL1 },
5149 { TARGET_CRDLY, TARGET_CR0, CRDLY, CR0 },
5150 { TARGET_CRDLY, TARGET_CR1, CRDLY, CR1 },
5151 { TARGET_CRDLY, TARGET_CR2, CRDLY, CR2 },
5152 { TARGET_CRDLY, TARGET_CR3, CRDLY, CR3 },
5153 { TARGET_TABDLY, TARGET_TAB0, TABDLY, TAB0 },
5154 { TARGET_TABDLY, TARGET_TAB1, TABDLY, TAB1 },
5155 { TARGET_TABDLY, TARGET_TAB2, TABDLY, TAB2 },
5156 { TARGET_TABDLY, TARGET_TAB3, TABDLY, TAB3 },
5157 { TARGET_BSDLY, TARGET_BS0, BSDLY, BS0 },
5158 { TARGET_BSDLY, TARGET_BS1, BSDLY, BS1 },
5159 { TARGET_VTDLY, TARGET_VT0, VTDLY, VT0 },
5160 { TARGET_VTDLY, TARGET_VT1, VTDLY, VT1 },
5161 { TARGET_FFDLY, TARGET_FF0, FFDLY, FF0 },
5162 { TARGET_FFDLY, TARGET_FF1, FFDLY, FF1 },
5163 { 0, 0, 0, 0 }
5164};
5165
5166static const bitmask_transtbl cflag_tbl[] = {
5167 { TARGET_CBAUD, TARGET_B0, CBAUD, B0 },
5168 { TARGET_CBAUD, TARGET_B50, CBAUD, B50 },
5169 { TARGET_CBAUD, TARGET_B75, CBAUD, B75 },
5170 { TARGET_CBAUD, TARGET_B110, CBAUD, B110 },
5171 { TARGET_CBAUD, TARGET_B134, CBAUD, B134 },
5172 { TARGET_CBAUD, TARGET_B150, CBAUD, B150 },
5173 { TARGET_CBAUD, TARGET_B200, CBAUD, B200 },
5174 { TARGET_CBAUD, TARGET_B300, CBAUD, B300 },
5175 { TARGET_CBAUD, TARGET_B600, CBAUD, B600 },
5176 { TARGET_CBAUD, TARGET_B1200, CBAUD, B1200 },
5177 { TARGET_CBAUD, TARGET_B1800, CBAUD, B1800 },
5178 { TARGET_CBAUD, TARGET_B2400, CBAUD, B2400 },
5179 { TARGET_CBAUD, TARGET_B4800, CBAUD, B4800 },
5180 { TARGET_CBAUD, TARGET_B9600, CBAUD, B9600 },
5181 { TARGET_CBAUD, TARGET_B19200, CBAUD, B19200 },
5182 { TARGET_CBAUD, TARGET_B38400, CBAUD, B38400 },
5183 { TARGET_CBAUD, TARGET_B57600, CBAUD, B57600 },
5184 { TARGET_CBAUD, TARGET_B115200, CBAUD, B115200 },
5185 { TARGET_CBAUD, TARGET_B230400, CBAUD, B230400 },
5186 { TARGET_CBAUD, TARGET_B460800, CBAUD, B460800 },
5187 { TARGET_CSIZE, TARGET_CS5, CSIZE, CS5 },
5188 { TARGET_CSIZE, TARGET_CS6, CSIZE, CS6 },
5189 { TARGET_CSIZE, TARGET_CS7, CSIZE, CS7 },
5190 { TARGET_CSIZE, TARGET_CS8, CSIZE, CS8 },
5191 { TARGET_CSTOPB, TARGET_CSTOPB, CSTOPB, CSTOPB },
5192 { TARGET_CREAD, TARGET_CREAD, CREAD, CREAD },
5193 { TARGET_PARENB, TARGET_PARENB, PARENB, PARENB },
5194 { TARGET_PARODD, TARGET_PARODD, PARODD, PARODD },
5195 { TARGET_HUPCL, TARGET_HUPCL, HUPCL, HUPCL },
5196 { TARGET_CLOCAL, TARGET_CLOCAL, CLOCAL, CLOCAL },
5197 { TARGET_CRTSCTS, TARGET_CRTSCTS, CRTSCTS, CRTSCTS },
5198 { 0, 0, 0, 0 }
5199};
5200
5201static const bitmask_transtbl lflag_tbl[] = {
5202 { TARGET_ISIG, TARGET_ISIG, ISIG, ISIG },
5203 { TARGET_ICANON, TARGET_ICANON, ICANON, ICANON },
5204 { TARGET_XCASE, TARGET_XCASE, XCASE, XCASE },
5205 { TARGET_ECHO, TARGET_ECHO, ECHO, ECHO },
5206 { TARGET_ECHOE, TARGET_ECHOE, ECHOE, ECHOE },
5207 { TARGET_ECHOK, TARGET_ECHOK, ECHOK, ECHOK },
5208 { TARGET_ECHONL, TARGET_ECHONL, ECHONL, ECHONL },
5209 { TARGET_NOFLSH, TARGET_NOFLSH, NOFLSH, NOFLSH },
5210 { TARGET_TOSTOP, TARGET_TOSTOP, TOSTOP, TOSTOP },
5211 { TARGET_ECHOCTL, TARGET_ECHOCTL, ECHOCTL, ECHOCTL },
5212 { TARGET_ECHOPRT, TARGET_ECHOPRT, ECHOPRT, ECHOPRT },
5213 { TARGET_ECHOKE, TARGET_ECHOKE, ECHOKE, ECHOKE },
5214 { TARGET_FLUSHO, TARGET_FLUSHO, FLUSHO, FLUSHO },
5215 { TARGET_PENDIN, TARGET_PENDIN, PENDIN, PENDIN },
5216 { TARGET_IEXTEN, TARGET_IEXTEN, IEXTEN, IEXTEN },
5217 { 0, 0, 0, 0 }
5218};
5219
5220static void target_to_host_termios (void *dst, const void *src)
5221{
5222 struct host_termios *host = dst;
5223 const struct target_termios *target = src;
5224
5225 host->c_iflag =
5226 target_to_host_bitmask(tswap32(target->c_iflag), iflag_tbl);
5227 host->c_oflag =
5228 target_to_host_bitmask(tswap32(target->c_oflag), oflag_tbl);
5229 host->c_cflag =
5230 target_to_host_bitmask(tswap32(target->c_cflag), cflag_tbl);
5231 host->c_lflag =
5232 target_to_host_bitmask(tswap32(target->c_lflag), lflag_tbl);
5233 host->c_line = target->c_line;
5234
5235 memset(host->c_cc, 0, sizeof(host->c_cc));
5236 host->c_cc[VINTR] = target->c_cc[TARGET_VINTR];
5237 host->c_cc[VQUIT] = target->c_cc[TARGET_VQUIT];
5238 host->c_cc[VERASE] = target->c_cc[TARGET_VERASE];
5239 host->c_cc[VKILL] = target->c_cc[TARGET_VKILL];
5240 host->c_cc[VEOF] = target->c_cc[TARGET_VEOF];
5241 host->c_cc[VTIME] = target->c_cc[TARGET_VTIME];
5242 host->c_cc[VMIN] = target->c_cc[TARGET_VMIN];
5243 host->c_cc[VSWTC] = target->c_cc[TARGET_VSWTC];
5244 host->c_cc[VSTART] = target->c_cc[TARGET_VSTART];
5245 host->c_cc[VSTOP] = target->c_cc[TARGET_VSTOP];
5246 host->c_cc[VSUSP] = target->c_cc[TARGET_VSUSP];
5247 host->c_cc[VEOL] = target->c_cc[TARGET_VEOL];
5248 host->c_cc[VREPRINT] = target->c_cc[TARGET_VREPRINT];
5249 host->c_cc[VDISCARD] = target->c_cc[TARGET_VDISCARD];
5250 host->c_cc[VWERASE] = target->c_cc[TARGET_VWERASE];
5251 host->c_cc[VLNEXT] = target->c_cc[TARGET_VLNEXT];
5252 host->c_cc[VEOL2] = target->c_cc[TARGET_VEOL2];
5253}
5254
5255static void host_to_target_termios (void *dst, const void *src)
5256{
5257 struct target_termios *target = dst;
5258 const struct host_termios *host = src;
5259
5260 target->c_iflag =
5261 tswap32(host_to_target_bitmask(host->c_iflag, iflag_tbl));
5262 target->c_oflag =
5263 tswap32(host_to_target_bitmask(host->c_oflag, oflag_tbl));
5264 target->c_cflag =
5265 tswap32(host_to_target_bitmask(host->c_cflag, cflag_tbl));
5266 target->c_lflag =
5267 tswap32(host_to_target_bitmask(host->c_lflag, lflag_tbl));
5268 target->c_line = host->c_line;
5269
5270 memset(target->c_cc, 0, sizeof(target->c_cc));
5271 target->c_cc[TARGET_VINTR] = host->c_cc[VINTR];
5272 target->c_cc[TARGET_VQUIT] = host->c_cc[VQUIT];
5273 target->c_cc[TARGET_VERASE] = host->c_cc[VERASE];
5274 target->c_cc[TARGET_VKILL] = host->c_cc[VKILL];
5275 target->c_cc[TARGET_VEOF] = host->c_cc[VEOF];
5276 target->c_cc[TARGET_VTIME] = host->c_cc[VTIME];
5277 target->c_cc[TARGET_VMIN] = host->c_cc[VMIN];
5278 target->c_cc[TARGET_VSWTC] = host->c_cc[VSWTC];
5279 target->c_cc[TARGET_VSTART] = host->c_cc[VSTART];
5280 target->c_cc[TARGET_VSTOP] = host->c_cc[VSTOP];
5281 target->c_cc[TARGET_VSUSP] = host->c_cc[VSUSP];
5282 target->c_cc[TARGET_VEOL] = host->c_cc[VEOL];
5283 target->c_cc[TARGET_VREPRINT] = host->c_cc[VREPRINT];
5284 target->c_cc[TARGET_VDISCARD] = host->c_cc[VDISCARD];
5285 target->c_cc[TARGET_VWERASE] = host->c_cc[VWERASE];
5286 target->c_cc[TARGET_VLNEXT] = host->c_cc[VLNEXT];
5287 target->c_cc[TARGET_VEOL2] = host->c_cc[VEOL2];
5288}
5289
5290static const StructEntry struct_termios_def = {
5291 .convert = { host_to_target_termios, target_to_host_termios },
5292 .size = { sizeof(struct target_termios), sizeof(struct host_termios) },
5293 .align = { __alignof__(struct target_termios), __alignof__(struct host_termios) },
5294};
5295
5296static bitmask_transtbl mmap_flags_tbl[] = {
5297 { TARGET_MAP_SHARED, TARGET_MAP_SHARED, MAP_SHARED, MAP_SHARED },
5298 { TARGET_MAP_PRIVATE, TARGET_MAP_PRIVATE, MAP_PRIVATE, MAP_PRIVATE },
5299 { TARGET_MAP_FIXED, TARGET_MAP_FIXED, MAP_FIXED, MAP_FIXED },
5300 { TARGET_MAP_ANONYMOUS, TARGET_MAP_ANONYMOUS,
5301 MAP_ANONYMOUS, MAP_ANONYMOUS },
5302 { TARGET_MAP_GROWSDOWN, TARGET_MAP_GROWSDOWN,
5303 MAP_GROWSDOWN, MAP_GROWSDOWN },
5304 { TARGET_MAP_DENYWRITE, TARGET_MAP_DENYWRITE,
5305 MAP_DENYWRITE, MAP_DENYWRITE },
5306 { TARGET_MAP_EXECUTABLE, TARGET_MAP_EXECUTABLE,
5307 MAP_EXECUTABLE, MAP_EXECUTABLE },
5308 { TARGET_MAP_LOCKED, TARGET_MAP_LOCKED, MAP_LOCKED, MAP_LOCKED },
5309 { TARGET_MAP_NORESERVE, TARGET_MAP_NORESERVE,
5310 MAP_NORESERVE, MAP_NORESERVE },
5311 { TARGET_MAP_HUGETLB, TARGET_MAP_HUGETLB, MAP_HUGETLB, MAP_HUGETLB },
5312
5313
5314
5315 { TARGET_MAP_STACK, TARGET_MAP_STACK, 0, 0 },
5316 { 0, 0, 0, 0 }
5317};
5318
5319#if defined(TARGET_I386)
5320
5321
5322static uint8_t *ldt_table;
5323
5324static abi_long read_ldt(abi_ulong ptr, unsigned long bytecount)
5325{
5326 int size;
5327 void *p;
5328
5329 if (!ldt_table)
5330 return 0;
5331 size = TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE;
5332 if (size > bytecount)
5333 size = bytecount;
5334 p = lock_user(VERIFY_WRITE, ptr, size, 0);
5335 if (!p)
5336 return -TARGET_EFAULT;
5337
5338 memcpy(p, ldt_table, size);
5339 unlock_user(p, ptr, size);
5340 return size;
5341}
5342
5343
5344static abi_long write_ldt(CPUX86State *env,
5345 abi_ulong ptr, unsigned long bytecount, int oldmode)
5346{
5347 struct target_modify_ldt_ldt_s ldt_info;
5348 struct target_modify_ldt_ldt_s *target_ldt_info;
5349 int seg_32bit, contents, read_exec_only, limit_in_pages;
5350 int seg_not_present, useable, lm;
5351 uint32_t *lp, entry_1, entry_2;
5352
5353 if (bytecount != sizeof(ldt_info))
5354 return -TARGET_EINVAL;
5355 if (!lock_user_struct(VERIFY_READ, target_ldt_info, ptr, 1))
5356 return -TARGET_EFAULT;
5357 ldt_info.entry_number = tswap32(target_ldt_info->entry_number);
5358 ldt_info.base_addr = tswapal(target_ldt_info->base_addr);
5359 ldt_info.limit = tswap32(target_ldt_info->limit);
5360 ldt_info.flags = tswap32(target_ldt_info->flags);
5361 unlock_user_struct(target_ldt_info, ptr, 0);
5362
5363 if (ldt_info.entry_number >= TARGET_LDT_ENTRIES)
5364 return -TARGET_EINVAL;
5365 seg_32bit = ldt_info.flags & 1;
5366 contents = (ldt_info.flags >> 1) & 3;
5367 read_exec_only = (ldt_info.flags >> 3) & 1;
5368 limit_in_pages = (ldt_info.flags >> 4) & 1;
5369 seg_not_present = (ldt_info.flags >> 5) & 1;
5370 useable = (ldt_info.flags >> 6) & 1;
5371#ifdef TARGET_ABI32
5372 lm = 0;
5373#else
5374 lm = (ldt_info.flags >> 7) & 1;
5375#endif
5376 if (contents == 3) {
5377 if (oldmode)
5378 return -TARGET_EINVAL;
5379 if (seg_not_present == 0)
5380 return -TARGET_EINVAL;
5381 }
5382
5383 if (!ldt_table) {
5384 env->ldt.base = target_mmap(0,
5385 TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE,
5386 PROT_READ|PROT_WRITE,
5387 MAP_ANONYMOUS|MAP_PRIVATE, -1, 0);
5388 if (env->ldt.base == -1)
5389 return -TARGET_ENOMEM;
5390 memset(g2h(env->ldt.base), 0,
5391 TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE);
5392 env->ldt.limit = 0xffff;
5393 ldt_table = g2h(env->ldt.base);
5394 }
5395
5396
5397
5398 if (ldt_info.base_addr == 0 && ldt_info.limit == 0) {
5399 if (oldmode ||
5400 (contents == 0 &&
5401 read_exec_only == 1 &&
5402 seg_32bit == 0 &&
5403 limit_in_pages == 0 &&
5404 seg_not_present == 1 &&
5405 useable == 0 )) {
5406 entry_1 = 0;
5407 entry_2 = 0;
5408 goto install;
5409 }
5410 }
5411
5412 entry_1 = ((ldt_info.base_addr & 0x0000ffff) << 16) |
5413 (ldt_info.limit & 0x0ffff);
5414 entry_2 = (ldt_info.base_addr & 0xff000000) |
5415 ((ldt_info.base_addr & 0x00ff0000) >> 16) |
5416 (ldt_info.limit & 0xf0000) |
5417 ((read_exec_only ^ 1) << 9) |
5418 (contents << 10) |
5419 ((seg_not_present ^ 1) << 15) |
5420 (seg_32bit << 22) |
5421 (limit_in_pages << 23) |
5422 (lm << 21) |
5423 0x7000;
5424 if (!oldmode)
5425 entry_2 |= (useable << 20);
5426
5427
5428install:
5429 lp = (uint32_t *)(ldt_table + (ldt_info.entry_number << 3));
5430 lp[0] = tswap32(entry_1);
5431 lp[1] = tswap32(entry_2);
5432 return 0;
5433}
5434
5435
5436static abi_long do_modify_ldt(CPUX86State *env, int func, abi_ulong ptr,
5437 unsigned long bytecount)
5438{
5439 abi_long ret;
5440
5441 switch (func) {
5442 case 0:
5443 ret = read_ldt(ptr, bytecount);
5444 break;
5445 case 1:
5446 ret = write_ldt(env, ptr, bytecount, 1);
5447 break;
5448 case 0x11:
5449 ret = write_ldt(env, ptr, bytecount, 0);
5450 break;
5451 default:
5452 ret = -TARGET_ENOSYS;
5453 break;
5454 }
5455 return ret;
5456}
5457
5458#if defined(TARGET_I386) && defined(TARGET_ABI32)
5459abi_long do_set_thread_area(CPUX86State *env, abi_ulong ptr)
5460{
5461 uint64_t *gdt_table = g2h(env->gdt.base);
5462 struct target_modify_ldt_ldt_s ldt_info;
5463 struct target_modify_ldt_ldt_s *target_ldt_info;
5464 int seg_32bit, contents, read_exec_only, limit_in_pages;
5465 int seg_not_present, useable, lm;
5466 uint32_t *lp, entry_1, entry_2;
5467 int i;
5468
5469 lock_user_struct(VERIFY_WRITE, target_ldt_info, ptr, 1);
5470 if (!target_ldt_info)
5471 return -TARGET_EFAULT;
5472 ldt_info.entry_number = tswap32(target_ldt_info->entry_number);
5473 ldt_info.base_addr = tswapal(target_ldt_info->base_addr);
5474 ldt_info.limit = tswap32(target_ldt_info->limit);
5475 ldt_info.flags = tswap32(target_ldt_info->flags);
5476 if (ldt_info.entry_number == -1) {
5477 for (i=TARGET_GDT_ENTRY_TLS_MIN; i<=TARGET_GDT_ENTRY_TLS_MAX; i++) {
5478 if (gdt_table[i] == 0) {
5479 ldt_info.entry_number = i;
5480 target_ldt_info->entry_number = tswap32(i);
5481 break;
5482 }
5483 }
5484 }
5485 unlock_user_struct(target_ldt_info, ptr, 1);
5486
5487 if (ldt_info.entry_number < TARGET_GDT_ENTRY_TLS_MIN ||
5488 ldt_info.entry_number > TARGET_GDT_ENTRY_TLS_MAX)
5489 return -TARGET_EINVAL;
5490 seg_32bit = ldt_info.flags & 1;
5491 contents = (ldt_info.flags >> 1) & 3;
5492 read_exec_only = (ldt_info.flags >> 3) & 1;
5493 limit_in_pages = (ldt_info.flags >> 4) & 1;
5494 seg_not_present = (ldt_info.flags >> 5) & 1;
5495 useable = (ldt_info.flags >> 6) & 1;
5496#ifdef TARGET_ABI32
5497 lm = 0;
5498#else
5499 lm = (ldt_info.flags >> 7) & 1;
5500#endif
5501
5502 if (contents == 3) {
5503 if (seg_not_present == 0)
5504 return -TARGET_EINVAL;
5505 }
5506
5507
5508
5509 if (ldt_info.base_addr == 0 && ldt_info.limit == 0) {
5510 if ((contents == 0 &&
5511 read_exec_only == 1 &&
5512 seg_32bit == 0 &&
5513 limit_in_pages == 0 &&
5514 seg_not_present == 1 &&
5515 useable == 0 )) {
5516 entry_1 = 0;
5517 entry_2 = 0;
5518 goto install;
5519 }
5520 }
5521
5522 entry_1 = ((ldt_info.base_addr & 0x0000ffff) << 16) |
5523 (ldt_info.limit & 0x0ffff);
5524 entry_2 = (ldt_info.base_addr & 0xff000000) |
5525 ((ldt_info.base_addr & 0x00ff0000) >> 16) |
5526 (ldt_info.limit & 0xf0000) |
5527 ((read_exec_only ^ 1) << 9) |
5528 (contents << 10) |
5529 ((seg_not_present ^ 1) << 15) |
5530 (seg_32bit << 22) |
5531 (limit_in_pages << 23) |
5532 (useable << 20) |
5533 (lm << 21) |
5534 0x7000;
5535
5536
5537install:
5538 lp = (uint32_t *)(gdt_table + ldt_info.entry_number);
5539 lp[0] = tswap32(entry_1);
5540 lp[1] = tswap32(entry_2);
5541 return 0;
5542}
5543
5544static abi_long do_get_thread_area(CPUX86State *env, abi_ulong ptr)
5545{
5546 struct target_modify_ldt_ldt_s *target_ldt_info;
5547 uint64_t *gdt_table = g2h(env->gdt.base);
5548 uint32_t base_addr, limit, flags;
5549 int seg_32bit, contents, read_exec_only, limit_in_pages, idx;
5550 int seg_not_present, useable, lm;
5551 uint32_t *lp, entry_1, entry_2;
5552
5553 lock_user_struct(VERIFY_WRITE, target_ldt_info, ptr, 1);
5554 if (!target_ldt_info)
5555 return -TARGET_EFAULT;
5556 idx = tswap32(target_ldt_info->entry_number);
5557 if (idx < TARGET_GDT_ENTRY_TLS_MIN ||
5558 idx > TARGET_GDT_ENTRY_TLS_MAX) {
5559 unlock_user_struct(target_ldt_info, ptr, 1);
5560 return -TARGET_EINVAL;
5561 }
5562 lp = (uint32_t *)(gdt_table + idx);
5563 entry_1 = tswap32(lp[0]);
5564 entry_2 = tswap32(lp[1]);
5565
5566 read_exec_only = ((entry_2 >> 9) & 1) ^ 1;
5567 contents = (entry_2 >> 10) & 3;
5568 seg_not_present = ((entry_2 >> 15) & 1) ^ 1;
5569 seg_32bit = (entry_2 >> 22) & 1;
5570 limit_in_pages = (entry_2 >> 23) & 1;
5571 useable = (entry_2 >> 20) & 1;
5572#ifdef TARGET_ABI32
5573 lm = 0;
5574#else
5575 lm = (entry_2 >> 21) & 1;
5576#endif
5577 flags = (seg_32bit << 0) | (contents << 1) |
5578 (read_exec_only << 3) | (limit_in_pages << 4) |
5579 (seg_not_present << 5) | (useable << 6) | (lm << 7);
5580 limit = (entry_1 & 0xffff) | (entry_2 & 0xf0000);
5581 base_addr = (entry_1 >> 16) |
5582 (entry_2 & 0xff000000) |
5583 ((entry_2 & 0xff) << 16);
5584 target_ldt_info->base_addr = tswapal(base_addr);
5585 target_ldt_info->limit = tswap32(limit);
5586 target_ldt_info->flags = tswap32(flags);
5587 unlock_user_struct(target_ldt_info, ptr, 1);
5588 return 0;
5589}
5590#endif
5591
5592#ifndef TARGET_ABI32
5593abi_long do_arch_prctl(CPUX86State *env, int code, abi_ulong addr)
5594{
5595 abi_long ret = 0;
5596 abi_ulong val;
5597 int idx;
5598
5599 switch(code) {
5600 case TARGET_ARCH_SET_GS:
5601 case TARGET_ARCH_SET_FS:
5602 if (code == TARGET_ARCH_SET_GS)
5603 idx = R_GS;
5604 else
5605 idx = R_FS;
5606 cpu_x86_load_seg(env, idx, 0);
5607 env->segs[idx].base = addr;
5608 break;
5609 case TARGET_ARCH_GET_GS:
5610 case TARGET_ARCH_GET_FS:
5611 if (code == TARGET_ARCH_GET_GS)
5612 idx = R_GS;
5613 else
5614 idx = R_FS;
5615 val = env->segs[idx].base;
5616 if (put_user(val, addr, abi_ulong))
5617 ret = -TARGET_EFAULT;
5618 break;
5619 default:
5620 ret = -TARGET_EINVAL;
5621 break;
5622 }
5623 return ret;
5624}
5625#endif
5626
5627#endif
5628
5629#define NEW_STACK_SIZE 0x40000
5630
5631
5632static pthread_mutex_t clone_lock = PTHREAD_MUTEX_INITIALIZER;
5633typedef struct {
5634 CPUArchState *env;
5635 pthread_mutex_t mutex;
5636 pthread_cond_t cond;
5637 pthread_t thread;
5638 uint32_t tid;
5639 abi_ulong child_tidptr;
5640 abi_ulong parent_tidptr;
5641 sigset_t sigmask;
5642} new_thread_info;
5643
5644static void *clone_func(void *arg)
5645{
5646 new_thread_info *info = arg;
5647 CPUArchState *env;
5648 CPUState *cpu;
5649 TaskState *ts;
5650
5651 rcu_register_thread();
5652 tcg_register_thread();
5653 env = info->env;
5654 cpu = env_cpu(env);
5655 thread_cpu = cpu;
5656 ts = (TaskState *)cpu->opaque;
5657 info->tid = sys_gettid();
5658 task_settid(ts);
5659 if (info->child_tidptr)
5660 put_user_u32(info->tid, info->child_tidptr);
5661 if (info->parent_tidptr)
5662 put_user_u32(info->tid, info->parent_tidptr);
5663 qemu_guest_random_seed_thread_part2(cpu->random_seed);
5664
5665 sigprocmask(SIG_SETMASK, &info->sigmask, NULL);
5666
5667 pthread_mutex_lock(&info->mutex);
5668 pthread_cond_broadcast(&info->cond);
5669 pthread_mutex_unlock(&info->mutex);
5670
5671 pthread_mutex_lock(&clone_lock);
5672 pthread_mutex_unlock(&clone_lock);
5673 cpu_loop(env);
5674
5675 return NULL;
5676}
5677
5678
5679
5680static int do_fork(CPUArchState *env, unsigned int flags, abi_ulong newsp,
5681 abi_ulong parent_tidptr, target_ulong newtls,
5682 abi_ulong child_tidptr)
5683{
5684 CPUState *cpu = env_cpu(env);
5685 int ret;
5686 TaskState *ts;
5687 CPUState *new_cpu;
5688 CPUArchState *new_env;
5689 sigset_t sigmask;
5690
5691 flags &= ~CLONE_IGNORED_FLAGS;
5692
5693
5694 if (flags & CLONE_VFORK)
5695 flags &= ~(CLONE_VFORK | CLONE_VM);
5696
5697 if (flags & CLONE_VM) {
5698 TaskState *parent_ts = (TaskState *)cpu->opaque;
5699 new_thread_info info;
5700 pthread_attr_t attr;
5701
5702 if (((flags & CLONE_THREAD_FLAGS) != CLONE_THREAD_FLAGS) ||
5703 (flags & CLONE_INVALID_THREAD_FLAGS)) {
5704 return -TARGET_EINVAL;
5705 }
5706
5707 ts = g_new0(TaskState, 1);
5708 init_task_state(ts);
5709
5710
5711 pthread_mutex_lock(&clone_lock);
5712
5713
5714 new_env = cpu_copy(env);
5715
5716 cpu_clone_regs(new_env, newsp);
5717 new_cpu = env_cpu(new_env);
5718 new_cpu->opaque = ts;
5719 ts->bprm = parent_ts->bprm;
5720 ts->info = parent_ts->info;
5721 ts->signal_mask = parent_ts->signal_mask;
5722
5723 if (flags & CLONE_CHILD_CLEARTID) {
5724 ts->child_tidptr = child_tidptr;
5725 }
5726
5727 if (flags & CLONE_SETTLS) {
5728 cpu_set_tls (new_env, newtls);
5729 }
5730
5731 memset(&info, 0, sizeof(info));
5732 pthread_mutex_init(&info.mutex, NULL);
5733 pthread_mutex_lock(&info.mutex);
5734 pthread_cond_init(&info.cond, NULL);
5735 info.env = new_env;
5736 if (flags & CLONE_CHILD_SETTID) {
5737 info.child_tidptr = child_tidptr;
5738 }
5739 if (flags & CLONE_PARENT_SETTID) {
5740 info.parent_tidptr = parent_tidptr;
5741 }
5742
5743 ret = pthread_attr_init(&attr);
5744 ret = pthread_attr_setstacksize(&attr, NEW_STACK_SIZE);
5745 ret = pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED);
5746
5747
5748 sigfillset(&sigmask);
5749 sigprocmask(SIG_BLOCK, &sigmask, &info.sigmask);
5750 cpu->random_seed = qemu_guest_random_seed_thread_part1();
5751
5752
5753
5754
5755 if (!parallel_cpus) {
5756 parallel_cpus = true;
5757 tb_flush(cpu);
5758 }
5759
5760 ret = pthread_create(&info.thread, &attr, clone_func, &info);
5761
5762
5763 sigprocmask(SIG_SETMASK, &info.sigmask, NULL);
5764 pthread_attr_destroy(&attr);
5765 if (ret == 0) {
5766
5767 pthread_cond_wait(&info.cond, &info.mutex);
5768 ret = info.tid;
5769 } else {
5770 ret = -1;
5771 }
5772 pthread_mutex_unlock(&info.mutex);
5773 pthread_cond_destroy(&info.cond);
5774 pthread_mutex_destroy(&info.mutex);
5775 pthread_mutex_unlock(&clone_lock);
5776 } else {
5777
5778 if (flags & CLONE_INVALID_FORK_FLAGS) {
5779 return -TARGET_EINVAL;
5780 }
5781
5782
5783 if ((flags & CSIGNAL) != TARGET_SIGCHLD) {
5784 return -TARGET_EINVAL;
5785 }
5786
5787 if (block_signals()) {
5788 return -TARGET_ERESTARTSYS;
5789 }
5790
5791 fork_start();
5792 ret = fork();
5793 if (ret == 0) {
5794
5795 cpu_clone_regs(env, newsp);
5796 fork_end(1);
5797
5798
5799
5800
5801
5802
5803 if (flags & CLONE_CHILD_SETTID)
5804 put_user_u32(sys_gettid(), child_tidptr);
5805 if (flags & CLONE_PARENT_SETTID)
5806 put_user_u32(sys_gettid(), parent_tidptr);
5807 ts = (TaskState *)cpu->opaque;
5808 if (flags & CLONE_SETTLS)
5809 cpu_set_tls (env, newtls);
5810 if (flags & CLONE_CHILD_CLEARTID)
5811 ts->child_tidptr = child_tidptr;
5812 } else {
5813 fork_end(0);
5814 }
5815 }
5816 return ret;
5817}
5818
5819
5820static int target_to_host_fcntl_cmd(int cmd)
5821{
5822 int ret;
5823
5824 switch(cmd) {
5825 case TARGET_F_DUPFD:
5826 case TARGET_F_GETFD:
5827 case TARGET_F_SETFD:
5828 case TARGET_F_GETFL:
5829 case TARGET_F_SETFL:
5830 ret = cmd;
5831 break;
5832 case TARGET_F_GETLK:
5833 ret = F_GETLK64;
5834 break;
5835 case TARGET_F_SETLK:
5836 ret = F_SETLK64;
5837 break;
5838 case TARGET_F_SETLKW:
5839 ret = F_SETLKW64;
5840 break;
5841 case TARGET_F_GETOWN:
5842 ret = F_GETOWN;
5843 break;
5844 case TARGET_F_SETOWN:
5845 ret = F_SETOWN;
5846 break;
5847 case TARGET_F_GETSIG:
5848 ret = F_GETSIG;
5849 break;
5850 case TARGET_F_SETSIG:
5851 ret = F_SETSIG;
5852 break;
5853#if TARGET_ABI_BITS == 32
5854 case TARGET_F_GETLK64:
5855 ret = F_GETLK64;
5856 break;
5857 case TARGET_F_SETLK64:
5858 ret = F_SETLK64;
5859 break;
5860 case TARGET_F_SETLKW64:
5861 ret = F_SETLKW64;
5862 break;
5863#endif
5864 case TARGET_F_SETLEASE:
5865 ret = F_SETLEASE;
5866 break;
5867 case TARGET_F_GETLEASE:
5868 ret = F_GETLEASE;
5869 break;
5870#ifdef F_DUPFD_CLOEXEC
5871 case TARGET_F_DUPFD_CLOEXEC:
5872 ret = F_DUPFD_CLOEXEC;
5873 break;
5874#endif
5875 case TARGET_F_NOTIFY:
5876 ret = F_NOTIFY;
5877 break;
5878#ifdef F_GETOWN_EX
5879 case TARGET_F_GETOWN_EX:
5880 ret = F_GETOWN_EX;
5881 break;
5882#endif
5883#ifdef F_SETOWN_EX
5884 case TARGET_F_SETOWN_EX:
5885 ret = F_SETOWN_EX;
5886 break;
5887#endif
5888#ifdef F_SETPIPE_SZ
5889 case TARGET_F_SETPIPE_SZ:
5890 ret = F_SETPIPE_SZ;
5891 break;
5892 case TARGET_F_GETPIPE_SZ:
5893 ret = F_GETPIPE_SZ;
5894 break;
5895#endif
5896 default:
5897 ret = -TARGET_EINVAL;
5898 break;
5899 }
5900
5901#if defined(__powerpc64__)
5902
5903
5904
5905
5906
5907 if (ret >= F_GETLK64 && ret <= F_SETLKW64) {
5908 ret -= F_GETLK64 - 5;
5909 }
5910#endif
5911
5912 return ret;
5913}
5914
5915#define FLOCK_TRANSTBL \
5916 switch (type) { \
5917 TRANSTBL_CONVERT(F_RDLCK); \
5918 TRANSTBL_CONVERT(F_WRLCK); \
5919 TRANSTBL_CONVERT(F_UNLCK); \
5920 TRANSTBL_CONVERT(F_EXLCK); \
5921 TRANSTBL_CONVERT(F_SHLCK); \
5922 }
5923
5924static int target_to_host_flock(int type)
5925{
5926#define TRANSTBL_CONVERT(a) case TARGET_##a: return a
5927 FLOCK_TRANSTBL
5928#undef TRANSTBL_CONVERT
5929 return -TARGET_EINVAL;
5930}
5931
5932static int host_to_target_flock(int type)
5933{
5934#define TRANSTBL_CONVERT(a) case a: return TARGET_##a
5935 FLOCK_TRANSTBL
5936#undef TRANSTBL_CONVERT
5937
5938
5939
5940 return type;
5941}
5942
5943static inline abi_long copy_from_user_flock(struct flock64 *fl,
5944 abi_ulong target_flock_addr)
5945{
5946 struct target_flock *target_fl;
5947 int l_type;
5948
5949 if (!lock_user_struct(VERIFY_READ, target_fl, target_flock_addr, 1)) {
5950 return -TARGET_EFAULT;
5951 }
5952
5953 __get_user(l_type, &target_fl->l_type);
5954 l_type = target_to_host_flock(l_type);
5955 if (l_type < 0) {
5956 return l_type;
5957 }
5958 fl->l_type = l_type;
5959 __get_user(fl->l_whence, &target_fl->l_whence);
5960 __get_user(fl->l_start, &target_fl->l_start);
5961 __get_user(fl->l_len, &target_fl->l_len);
5962 __get_user(fl->l_pid, &target_fl->l_pid);
5963 unlock_user_struct(target_fl, target_flock_addr, 0);
5964 return 0;
5965}
5966
5967static inline abi_long copy_to_user_flock(abi_ulong target_flock_addr,
5968 const struct flock64 *fl)
5969{
5970 struct target_flock *target_fl;
5971 short l_type;
5972
5973 if (!lock_user_struct(VERIFY_WRITE, target_fl, target_flock_addr, 0)) {
5974 return -TARGET_EFAULT;
5975 }
5976
5977 l_type = host_to_target_flock(fl->l_type);
5978 __put_user(l_type, &target_fl->l_type);
5979 __put_user(fl->l_whence, &target_fl->l_whence);
5980 __put_user(fl->l_start, &target_fl->l_start);
5981 __put_user(fl->l_len, &target_fl->l_len);
5982 __put_user(fl->l_pid, &target_fl->l_pid);
5983 unlock_user_struct(target_fl, target_flock_addr, 1);
5984 return 0;
5985}
5986
5987typedef abi_long from_flock64_fn(struct flock64 *fl, abi_ulong target_addr);
5988typedef abi_long to_flock64_fn(abi_ulong target_addr, const struct flock64 *fl);
5989
5990#if defined(TARGET_ARM) && TARGET_ABI_BITS == 32
5991static inline abi_long copy_from_user_oabi_flock64(struct flock64 *fl,
5992 abi_ulong target_flock_addr)
5993{
5994 struct target_oabi_flock64 *target_fl;
5995 int l_type;
5996
5997 if (!lock_user_struct(VERIFY_READ, target_fl, target_flock_addr, 1)) {
5998 return -TARGET_EFAULT;
5999 }
6000
6001 __get_user(l_type, &target_fl->l_type);
6002 l_type = target_to_host_flock(l_type);
6003 if (l_type < 0) {
6004 return l_type;
6005 }
6006 fl->l_type = l_type;
6007 __get_user(fl->l_whence, &target_fl->l_whence);
6008 __get_user(fl->l_start, &target_fl->l_start);
6009 __get_user(fl->l_len, &target_fl->l_len);
6010 __get_user(fl->l_pid, &target_fl->l_pid);
6011 unlock_user_struct(target_fl, target_flock_addr, 0);
6012 return 0;
6013}
6014
6015static inline abi_long copy_to_user_oabi_flock64(abi_ulong target_flock_addr,
6016 const struct flock64 *fl)
6017{
6018 struct target_oabi_flock64 *target_fl;
6019 short l_type;
6020
6021 if (!lock_user_struct(VERIFY_WRITE, target_fl, target_flock_addr, 0)) {
6022 return -TARGET_EFAULT;
6023 }
6024
6025 l_type = host_to_target_flock(fl->l_type);
6026 __put_user(l_type, &target_fl->l_type);
6027 __put_user(fl->l_whence, &target_fl->l_whence);
6028 __put_user(fl->l_start, &target_fl->l_start);
6029 __put_user(fl->l_len, &target_fl->l_len);
6030 __put_user(fl->l_pid, &target_fl->l_pid);
6031 unlock_user_struct(target_fl, target_flock_addr, 1);
6032 return 0;
6033}
6034#endif
6035
6036static inline abi_long copy_from_user_flock64(struct flock64 *fl,
6037 abi_ulong target_flock_addr)
6038{
6039 struct target_flock64 *target_fl;
6040 int l_type;
6041
6042 if (!lock_user_struct(VERIFY_READ, target_fl, target_flock_addr, 1)) {
6043 return -TARGET_EFAULT;
6044 }
6045
6046 __get_user(l_type, &target_fl->l_type);
6047 l_type = target_to_host_flock(l_type);
6048 if (l_type < 0) {
6049 return l_type;
6050 }
6051 fl->l_type = l_type;
6052 __get_user(fl->l_whence, &target_fl->l_whence);
6053 __get_user(fl->l_start, &target_fl->l_start);
6054 __get_user(fl->l_len, &target_fl->l_len);
6055 __get_user(fl->l_pid, &target_fl->l_pid);
6056 unlock_user_struct(target_fl, target_flock_addr, 0);
6057 return 0;
6058}
6059
6060static inline abi_long copy_to_user_flock64(abi_ulong target_flock_addr,
6061 const struct flock64 *fl)
6062{
6063 struct target_flock64 *target_fl;
6064 short l_type;
6065
6066 if (!lock_user_struct(VERIFY_WRITE, target_fl, target_flock_addr, 0)) {
6067 return -TARGET_EFAULT;
6068 }
6069
6070 l_type = host_to_target_flock(fl->l_type);
6071 __put_user(l_type, &target_fl->l_type);
6072 __put_user(fl->l_whence, &target_fl->l_whence);
6073 __put_user(fl->l_start, &target_fl->l_start);
6074 __put_user(fl->l_len, &target_fl->l_len);
6075 __put_user(fl->l_pid, &target_fl->l_pid);
6076 unlock_user_struct(target_fl, target_flock_addr, 1);
6077 return 0;
6078}
6079
6080static abi_long do_fcntl(int fd, int cmd, abi_ulong arg)
6081{
6082 struct flock64 fl64;
6083#ifdef F_GETOWN_EX
6084 struct f_owner_ex fox;
6085 struct target_f_owner_ex *target_fox;
6086#endif
6087 abi_long ret;
6088 int host_cmd = target_to_host_fcntl_cmd(cmd);
6089
6090 if (host_cmd == -TARGET_EINVAL)
6091 return host_cmd;
6092
6093 switch(cmd) {
6094 case TARGET_F_GETLK:
6095 ret = copy_from_user_flock(&fl64, arg);
6096 if (ret) {
6097 return ret;
6098 }
6099 ret = get_errno(safe_fcntl(fd, host_cmd, &fl64));
6100 if (ret == 0) {
6101 ret = copy_to_user_flock(arg, &fl64);
6102 }
6103 break;
6104
6105 case TARGET_F_SETLK:
6106 case TARGET_F_SETLKW:
6107 ret = copy_from_user_flock(&fl64, arg);
6108 if (ret) {
6109 return ret;
6110 }
6111 ret = get_errno(safe_fcntl(fd, host_cmd, &fl64));
6112 break;
6113
6114 case TARGET_F_GETLK64:
6115 ret = copy_from_user_flock64(&fl64, arg);
6116 if (ret) {
6117 return ret;
6118 }
6119 ret = get_errno(safe_fcntl(fd, host_cmd, &fl64));
6120 if (ret == 0) {
6121 ret = copy_to_user_flock64(arg, &fl64);
6122 }
6123 break;
6124 case TARGET_F_SETLK64:
6125 case TARGET_F_SETLKW64:
6126 ret = copy_from_user_flock64(&fl64, arg);
6127 if (ret) {
6128 return ret;
6129 }
6130 ret = get_errno(safe_fcntl(fd, host_cmd, &fl64));
6131 break;
6132
6133 case TARGET_F_GETFL:
6134 ret = get_errno(safe_fcntl(fd, host_cmd, arg));
6135 if (ret >= 0) {
6136 ret = host_to_target_bitmask(ret, fcntl_flags_tbl);
6137 }
6138 break;
6139
6140 case TARGET_F_SETFL:
6141 ret = get_errno(safe_fcntl(fd, host_cmd,
6142 target_to_host_bitmask(arg,
6143 fcntl_flags_tbl)));
6144 break;
6145
6146#ifdef F_GETOWN_EX
6147 case TARGET_F_GETOWN_EX:
6148 ret = get_errno(safe_fcntl(fd, host_cmd, &fox));
6149 if (ret >= 0) {
6150 if (!lock_user_struct(VERIFY_WRITE, target_fox, arg, 0))
6151 return -TARGET_EFAULT;
6152 target_fox->type = tswap32(fox.type);
6153 target_fox->pid = tswap32(fox.pid);
6154 unlock_user_struct(target_fox, arg, 1);
6155 }
6156 break;
6157#endif
6158
6159#ifdef F_SETOWN_EX
6160 case TARGET_F_SETOWN_EX:
6161 if (!lock_user_struct(VERIFY_READ, target_fox, arg, 1))
6162 return -TARGET_EFAULT;
6163 fox.type = tswap32(target_fox->type);
6164 fox.pid = tswap32(target_fox->pid);
6165 unlock_user_struct(target_fox, arg, 0);
6166 ret = get_errno(safe_fcntl(fd, host_cmd, &fox));
6167 break;
6168#endif
6169
6170 case TARGET_F_SETOWN:
6171 case TARGET_F_GETOWN:
6172 case TARGET_F_SETSIG:
6173 case TARGET_F_GETSIG:
6174 case TARGET_F_SETLEASE:
6175 case TARGET_F_GETLEASE:
6176 case TARGET_F_SETPIPE_SZ:
6177 case TARGET_F_GETPIPE_SZ:
6178 ret = get_errno(safe_fcntl(fd, host_cmd, arg));
6179 break;
6180
6181 default:
6182 ret = get_errno(safe_fcntl(fd, cmd, arg));
6183 break;
6184 }
6185 return ret;
6186}
6187
6188#ifdef USE_UID16
6189
6190static inline int high2lowuid(int uid)
6191{
6192 if (uid > 65535)
6193 return 65534;
6194 else
6195 return uid;
6196}
6197
6198static inline int high2lowgid(int gid)
6199{
6200 if (gid > 65535)
6201 return 65534;
6202 else
6203 return gid;
6204}
6205
6206static inline int low2highuid(int uid)
6207{
6208 if ((int16_t)uid == -1)
6209 return -1;
6210 else
6211 return uid;
6212}
6213
6214static inline int low2highgid(int gid)
6215{
6216 if ((int16_t)gid == -1)
6217 return -1;
6218 else
6219 return gid;
6220}
6221static inline int tswapid(int id)
6222{
6223 return tswap16(id);
6224}
6225
6226#define put_user_id(x, gaddr) put_user_u16(x, gaddr)
6227
6228#else
6229static inline int high2lowuid(int uid)
6230{
6231 return uid;
6232}
6233static inline int high2lowgid(int gid)
6234{
6235 return gid;
6236}
6237static inline int low2highuid(int uid)
6238{
6239 return uid;
6240}
6241static inline int low2highgid(int gid)
6242{
6243 return gid;
6244}
6245static inline int tswapid(int id)
6246{
6247 return tswap32(id);
6248}
6249
6250#define put_user_id(x, gaddr) put_user_u32(x, gaddr)
6251
6252#endif
6253
6254
6255
6256
6257
6258
6259
6260
6261
6262#ifdef __NR_setuid32
6263#define __NR_sys_setuid __NR_setuid32
6264#else
6265#define __NR_sys_setuid __NR_setuid
6266#endif
6267#ifdef __NR_setgid32
6268#define __NR_sys_setgid __NR_setgid32
6269#else
6270#define __NR_sys_setgid __NR_setgid
6271#endif
6272#ifdef __NR_setresuid32
6273#define __NR_sys_setresuid __NR_setresuid32
6274#else
6275#define __NR_sys_setresuid __NR_setresuid
6276#endif
6277#ifdef __NR_setresgid32
6278#define __NR_sys_setresgid __NR_setresgid32
6279#else
6280#define __NR_sys_setresgid __NR_setresgid
6281#endif
6282
6283_syscall1(int, sys_setuid, uid_t, uid)
6284_syscall1(int, sys_setgid, gid_t, gid)
6285_syscall3(int, sys_setresuid, uid_t, ruid, uid_t, euid, uid_t, suid)
6286_syscall3(int, sys_setresgid, gid_t, rgid, gid_t, egid, gid_t, sgid)
6287
6288void syscall_init(void)
6289{
6290 IOCTLEntry *ie;
6291 const argtype *arg_type;
6292 int size;
6293 int i;
6294
6295 thunk_init(STRUCT_MAX);
6296
6297#define STRUCT(name, ...) thunk_register_struct(STRUCT_ ## name, #name, struct_ ## name ## _def);
6298#define STRUCT_SPECIAL(name) thunk_register_struct_direct(STRUCT_ ## name, #name, &struct_ ## name ## _def);
6299#include "syscall_types.h"
6300#undef STRUCT
6301#undef STRUCT_SPECIAL
6302
6303
6304
6305 for (i = 0; i < ERRNO_TABLE_SIZE; i++) {
6306 target_to_host_errno_table[host_to_target_errno_table[i]] = i;
6307 }
6308
6309
6310
6311 ie = ioctl_entries;
6312 while (ie->target_cmd != 0) {
6313 if (((ie->target_cmd >> TARGET_IOC_SIZESHIFT) & TARGET_IOC_SIZEMASK) ==
6314 TARGET_IOC_SIZEMASK) {
6315 arg_type = ie->arg_type;
6316 if (arg_type[0] != TYPE_PTR) {
6317 fprintf(stderr, "cannot patch size for ioctl 0x%x\n",
6318 ie->target_cmd);
6319 exit(1);
6320 }
6321 arg_type++;
6322 size = thunk_type_size(arg_type, 0);
6323 ie->target_cmd = (ie->target_cmd &
6324 ~(TARGET_IOC_SIZEMASK << TARGET_IOC_SIZESHIFT)) |
6325 (size << TARGET_IOC_SIZESHIFT);
6326 }
6327
6328
6329#if (defined(__i386__) && defined(TARGET_I386) && defined(TARGET_ABI32)) || \
6330 (defined(__x86_64__) && defined(TARGET_X86_64))
6331 if (unlikely(ie->target_cmd != ie->host_cmd)) {
6332 fprintf(stderr, "ERROR: ioctl(%s): target=0x%x host=0x%x\n",
6333 ie->name, ie->target_cmd, ie->host_cmd);
6334 }
6335#endif
6336 ie++;
6337 }
6338}
6339
6340#if TARGET_ABI_BITS == 32
6341static inline uint64_t target_offset64(uint32_t word0, uint32_t word1)
6342{
6343#ifdef TARGET_WORDS_BIGENDIAN
6344 return ((uint64_t)word0 << 32) | word1;
6345#else
6346 return ((uint64_t)word1 << 32) | word0;
6347#endif
6348}
6349#else
6350static inline uint64_t target_offset64(uint64_t word0, uint64_t word1)
6351{
6352 return word0;
6353}
6354#endif
6355
6356#ifdef TARGET_NR_truncate64
6357static inline abi_long target_truncate64(void *cpu_env, const char *arg1,
6358 abi_long arg2,
6359 abi_long arg3,
6360 abi_long arg4)
6361{
6362 if (regpairs_aligned(cpu_env, TARGET_NR_truncate64)) {
6363 arg2 = arg3;
6364 arg3 = arg4;
6365 }
6366 return get_errno(truncate64(arg1, target_offset64(arg2, arg3)));
6367}
6368#endif
6369
6370#ifdef TARGET_NR_ftruncate64
6371static inline abi_long target_ftruncate64(void *cpu_env, abi_long arg1,
6372 abi_long arg2,
6373 abi_long arg3,
6374 abi_long arg4)
6375{
6376 if (regpairs_aligned(cpu_env, TARGET_NR_ftruncate64)) {
6377 arg2 = arg3;
6378 arg3 = arg4;
6379 }
6380 return get_errno(ftruncate64(arg1, target_offset64(arg2, arg3)));
6381}
6382#endif
6383
6384static inline abi_long target_to_host_itimerspec(struct itimerspec *host_itspec,
6385 abi_ulong target_addr)
6386{
6387 struct target_itimerspec *target_itspec;
6388
6389 if (!lock_user_struct(VERIFY_READ, target_itspec, target_addr, 1)) {
6390 return -TARGET_EFAULT;
6391 }
6392
6393 host_itspec->it_interval.tv_sec =
6394 tswapal(target_itspec->it_interval.tv_sec);
6395 host_itspec->it_interval.tv_nsec =
6396 tswapal(target_itspec->it_interval.tv_nsec);
6397 host_itspec->it_value.tv_sec = tswapal(target_itspec->it_value.tv_sec);
6398 host_itspec->it_value.tv_nsec = tswapal(target_itspec->it_value.tv_nsec);
6399
6400 unlock_user_struct(target_itspec, target_addr, 1);
6401 return 0;
6402}
6403
6404static inline abi_long host_to_target_itimerspec(abi_ulong target_addr,
6405 struct itimerspec *host_its)
6406{
6407 struct target_itimerspec *target_itspec;
6408
6409 if (!lock_user_struct(VERIFY_WRITE, target_itspec, target_addr, 0)) {
6410 return -TARGET_EFAULT;
6411 }
6412
6413 target_itspec->it_interval.tv_sec = tswapal(host_its->it_interval.tv_sec);
6414 target_itspec->it_interval.tv_nsec = tswapal(host_its->it_interval.tv_nsec);
6415
6416 target_itspec->it_value.tv_sec = tswapal(host_its->it_value.tv_sec);
6417 target_itspec->it_value.tv_nsec = tswapal(host_its->it_value.tv_nsec);
6418
6419 unlock_user_struct(target_itspec, target_addr, 0);
6420 return 0;
6421}
6422
6423static inline abi_long target_to_host_timex(struct timex *host_tx,
6424 abi_long target_addr)
6425{
6426 struct target_timex *target_tx;
6427
6428 if (!lock_user_struct(VERIFY_READ, target_tx, target_addr, 1)) {
6429 return -TARGET_EFAULT;
6430 }
6431
6432 __get_user(host_tx->modes, &target_tx->modes);
6433 __get_user(host_tx->offset, &target_tx->offset);
6434 __get_user(host_tx->freq, &target_tx->freq);
6435 __get_user(host_tx->maxerror, &target_tx->maxerror);
6436 __get_user(host_tx->esterror, &target_tx->esterror);
6437 __get_user(host_tx->status, &target_tx->status);
6438 __get_user(host_tx->constant, &target_tx->constant);
6439 __get_user(host_tx->precision, &target_tx->precision);
6440 __get_user(host_tx->tolerance, &target_tx->tolerance);
6441 __get_user(host_tx->time.tv_sec, &target_tx->time.tv_sec);
6442 __get_user(host_tx->time.tv_usec, &target_tx->time.tv_usec);
6443 __get_user(host_tx->tick, &target_tx->tick);
6444 __get_user(host_tx->ppsfreq, &target_tx->ppsfreq);
6445 __get_user(host_tx->jitter, &target_tx->jitter);
6446 __get_user(host_tx->shift, &target_tx->shift);
6447 __get_user(host_tx->stabil, &target_tx->stabil);
6448 __get_user(host_tx->jitcnt, &target_tx->jitcnt);
6449 __get_user(host_tx->calcnt, &target_tx->calcnt);
6450 __get_user(host_tx->errcnt, &target_tx->errcnt);
6451 __get_user(host_tx->stbcnt, &target_tx->stbcnt);
6452 __get_user(host_tx->tai, &target_tx->tai);
6453
6454 unlock_user_struct(target_tx, target_addr, 0);
6455 return 0;
6456}
6457
6458static inline abi_long host_to_target_timex(abi_long target_addr,
6459 struct timex *host_tx)
6460{
6461 struct target_timex *target_tx;
6462
6463 if (!lock_user_struct(VERIFY_WRITE, target_tx, target_addr, 0)) {
6464 return -TARGET_EFAULT;
6465 }
6466
6467 __put_user(host_tx->modes, &target_tx->modes);
6468 __put_user(host_tx->offset, &target_tx->offset);
6469 __put_user(host_tx->freq, &target_tx->freq);
6470 __put_user(host_tx->maxerror, &target_tx->maxerror);
6471 __put_user(host_tx->esterror, &target_tx->esterror);
6472 __put_user(host_tx->status, &target_tx->status);
6473 __put_user(host_tx->constant, &target_tx->constant);
6474 __put_user(host_tx->precision, &target_tx->precision);
6475 __put_user(host_tx->tolerance, &target_tx->tolerance);
6476 __put_user(host_tx->time.tv_sec, &target_tx->time.tv_sec);
6477 __put_user(host_tx->time.tv_usec, &target_tx->time.tv_usec);
6478 __put_user(host_tx->tick, &target_tx->tick);
6479 __put_user(host_tx->ppsfreq, &target_tx->ppsfreq);
6480 __put_user(host_tx->jitter, &target_tx->jitter);
6481 __put_user(host_tx->shift, &target_tx->shift);
6482 __put_user(host_tx->stabil, &target_tx->stabil);
6483 __put_user(host_tx->jitcnt, &target_tx->jitcnt);
6484 __put_user(host_tx->calcnt, &target_tx->calcnt);
6485 __put_user(host_tx->errcnt, &target_tx->errcnt);
6486 __put_user(host_tx->stbcnt, &target_tx->stbcnt);
6487 __put_user(host_tx->tai, &target_tx->tai);
6488
6489 unlock_user_struct(target_tx, target_addr, 1);
6490 return 0;
6491}
6492
6493
6494static inline abi_long target_to_host_sigevent(struct sigevent *host_sevp,
6495 abi_ulong target_addr)
6496{
6497 struct target_sigevent *target_sevp;
6498
6499 if (!lock_user_struct(VERIFY_READ, target_sevp, target_addr, 1)) {
6500 return -TARGET_EFAULT;
6501 }
6502
6503
6504
6505
6506
6507
6508
6509 host_sevp->sigev_value.sival_ptr =
6510 (void *)(uintptr_t)tswapal(target_sevp->sigev_value.sival_ptr);
6511 host_sevp->sigev_signo =
6512 target_to_host_signal(tswap32(target_sevp->sigev_signo));
6513 host_sevp->sigev_notify = tswap32(target_sevp->sigev_notify);
6514 host_sevp->_sigev_un._tid = tswap32(target_sevp->_sigev_un._tid);
6515
6516 unlock_user_struct(target_sevp, target_addr, 1);
6517 return 0;
6518}
6519
6520#if defined(TARGET_NR_mlockall)
6521static inline int target_to_host_mlockall_arg(int arg)
6522{
6523 int result = 0;
6524
6525 if (arg & TARGET_MLOCKALL_MCL_CURRENT) {
6526 result |= MCL_CURRENT;
6527 }
6528 if (arg & TARGET_MLOCKALL_MCL_FUTURE) {
6529 result |= MCL_FUTURE;
6530 }
6531 return result;
6532}
6533#endif
6534
6535#if (defined(TARGET_NR_stat64) || defined(TARGET_NR_lstat64) || \
6536 defined(TARGET_NR_fstat64) || defined(TARGET_NR_fstatat64) || \
6537 defined(TARGET_NR_newfstatat))
6538static inline abi_long host_to_target_stat64(void *cpu_env,
6539 abi_ulong target_addr,
6540 struct stat *host_st)
6541{
6542#if defined(TARGET_ARM) && defined(TARGET_ABI32)
6543 if (((CPUARMState *)cpu_env)->eabi) {
6544 struct target_eabi_stat64 *target_st;
6545
6546 if (!lock_user_struct(VERIFY_WRITE, target_st, target_addr, 0))
6547 return -TARGET_EFAULT;
6548 memset(target_st, 0, sizeof(struct target_eabi_stat64));
6549 __put_user(host_st->st_dev, &target_st->st_dev);
6550 __put_user(host_st->st_ino, &target_st->st_ino);
6551#ifdef TARGET_STAT64_HAS_BROKEN_ST_INO
6552 __put_user(host_st->st_ino, &target_st->__st_ino);
6553#endif
6554 __put_user(host_st->st_mode, &target_st->st_mode);
6555 __put_user(host_st->st_nlink, &target_st->st_nlink);
6556 __put_user(host_st->st_uid, &target_st->st_uid);
6557 __put_user(host_st->st_gid, &target_st->st_gid);
6558 __put_user(host_st->st_rdev, &target_st->st_rdev);
6559 __put_user(host_st->st_size, &target_st->st_size);
6560 __put_user(host_st->st_blksize, &target_st->st_blksize);
6561 __put_user(host_st->st_blocks, &target_st->st_blocks);
6562 __put_user(host_st->st_atime, &target_st->target_st_atime);
6563 __put_user(host_st->st_mtime, &target_st->target_st_mtime);
6564 __put_user(host_st->st_ctime, &target_st->target_st_ctime);
6565#if _POSIX_C_SOURCE >= 200809L || _XOPEN_SOURCE >= 700
6566 __put_user(host_st->st_atim.tv_nsec, &target_st->target_st_atime_nsec);
6567 __put_user(host_st->st_mtim.tv_nsec, &target_st->target_st_mtime_nsec);
6568 __put_user(host_st->st_ctim.tv_nsec, &target_st->target_st_ctime_nsec);
6569#endif
6570 unlock_user_struct(target_st, target_addr, 1);
6571 } else
6572#endif
6573 {
6574#if defined(TARGET_HAS_STRUCT_STAT64)
6575 struct target_stat64 *target_st;
6576#else
6577 struct target_stat *target_st;
6578#endif
6579
6580 if (!lock_user_struct(VERIFY_WRITE, target_st, target_addr, 0))
6581 return -TARGET_EFAULT;
6582 memset(target_st, 0, sizeof(*target_st));
6583 __put_user(host_st->st_dev, &target_st->st_dev);
6584 __put_user(host_st->st_ino, &target_st->st_ino);
6585#ifdef TARGET_STAT64_HAS_BROKEN_ST_INO
6586 __put_user(host_st->st_ino, &target_st->__st_ino);
6587#endif
6588 __put_user(host_st->st_mode, &target_st->st_mode);
6589 __put_user(host_st->st_nlink, &target_st->st_nlink);
6590 __put_user(host_st->st_uid, &target_st->st_uid);
6591 __put_user(host_st->st_gid, &target_st->st_gid);
6592 __put_user(host_st->st_rdev, &target_st->st_rdev);
6593
6594 __put_user(host_st->st_size, &target_st->st_size);
6595 __put_user(host_st->st_blksize, &target_st->st_blksize);
6596 __put_user(host_st->st_blocks, &target_st->st_blocks);
6597 __put_user(host_st->st_atime, &target_st->target_st_atime);
6598 __put_user(host_st->st_mtime, &target_st->target_st_mtime);
6599 __put_user(host_st->st_ctime, &target_st->target_st_ctime);
6600#if _POSIX_C_SOURCE >= 200809L || _XOPEN_SOURCE >= 700
6601 __put_user(host_st->st_atim.tv_nsec, &target_st->target_st_atime_nsec);
6602 __put_user(host_st->st_mtim.tv_nsec, &target_st->target_st_mtime_nsec);
6603 __put_user(host_st->st_ctim.tv_nsec, &target_st->target_st_ctime_nsec);
6604#endif
6605 unlock_user_struct(target_st, target_addr, 1);
6606 }
6607
6608 return 0;
6609}
6610#endif
6611
6612#if defined(TARGET_NR_statx) && defined(__NR_statx)
6613static inline abi_long host_to_target_statx(struct target_statx *host_stx,
6614 abi_ulong target_addr)
6615{
6616 struct target_statx *target_stx;
6617
6618 if (!lock_user_struct(VERIFY_WRITE, target_stx, target_addr, 0)) {
6619 return -TARGET_EFAULT;
6620 }
6621 memset(target_stx, 0, sizeof(*target_stx));
6622
6623 __put_user(host_stx->stx_mask, &target_stx->stx_mask);
6624 __put_user(host_stx->stx_blksize, &target_stx->stx_blksize);
6625 __put_user(host_stx->stx_attributes, &target_stx->stx_attributes);
6626 __put_user(host_stx->stx_nlink, &target_stx->stx_nlink);
6627 __put_user(host_stx->stx_uid, &target_stx->stx_uid);
6628 __put_user(host_stx->stx_gid, &target_stx->stx_gid);
6629 __put_user(host_stx->stx_mode, &target_stx->stx_mode);
6630 __put_user(host_stx->stx_ino, &target_stx->stx_ino);
6631 __put_user(host_stx->stx_size, &target_stx->stx_size);
6632 __put_user(host_stx->stx_blocks, &target_stx->stx_blocks);
6633 __put_user(host_stx->stx_attributes_mask, &target_stx->stx_attributes_mask);
6634 __put_user(host_stx->stx_atime.tv_sec, &target_stx->stx_atime.tv_sec);
6635 __put_user(host_stx->stx_atime.tv_nsec, &target_stx->stx_atime.tv_nsec);
6636 __put_user(host_stx->stx_btime.tv_sec, &target_stx->stx_atime.tv_sec);
6637 __put_user(host_stx->stx_btime.tv_nsec, &target_stx->stx_atime.tv_nsec);
6638 __put_user(host_stx->stx_ctime.tv_sec, &target_stx->stx_atime.tv_sec);
6639 __put_user(host_stx->stx_ctime.tv_nsec, &target_stx->stx_atime.tv_nsec);
6640 __put_user(host_stx->stx_mtime.tv_sec, &target_stx->stx_atime.tv_sec);
6641 __put_user(host_stx->stx_mtime.tv_nsec, &target_stx->stx_atime.tv_nsec);
6642 __put_user(host_stx->stx_rdev_major, &target_stx->stx_rdev_major);
6643 __put_user(host_stx->stx_rdev_minor, &target_stx->stx_rdev_minor);
6644 __put_user(host_stx->stx_dev_major, &target_stx->stx_dev_major);
6645 __put_user(host_stx->stx_dev_minor, &target_stx->stx_dev_minor);
6646
6647 unlock_user_struct(target_stx, target_addr, 1);
6648
6649 return 0;
6650}
6651#endif
6652
6653
6654
6655
6656
6657
6658
6659static int do_futex(target_ulong uaddr, int op, int val, target_ulong timeout,
6660 target_ulong uaddr2, int val3)
6661{
6662 struct timespec ts, *pts;
6663 int base_op;
6664
6665
6666
6667#ifdef FUTEX_CMD_MASK
6668 base_op = op & FUTEX_CMD_MASK;
6669#else
6670 base_op = op;
6671#endif
6672 switch (base_op) {
6673 case FUTEX_WAIT:
6674 case FUTEX_WAIT_BITSET:
6675 if (timeout) {
6676 pts = &ts;
6677 target_to_host_timespec(pts, timeout);
6678 } else {
6679 pts = NULL;
6680 }
6681 return get_errno(safe_futex(g2h(uaddr), op, tswap32(val),
6682 pts, NULL, val3));
6683 case FUTEX_WAKE:
6684 return get_errno(safe_futex(g2h(uaddr), op, val, NULL, NULL, 0));
6685 case FUTEX_FD:
6686 return get_errno(safe_futex(g2h(uaddr), op, val, NULL, NULL, 0));
6687 case FUTEX_REQUEUE:
6688 case FUTEX_CMP_REQUEUE:
6689 case FUTEX_WAKE_OP:
6690
6691
6692
6693
6694
6695 pts = (struct timespec *)(uintptr_t) timeout;
6696 return get_errno(safe_futex(g2h(uaddr), op, val, pts,
6697 g2h(uaddr2),
6698 (base_op == FUTEX_CMP_REQUEUE
6699 ? tswap32(val3)
6700 : val3)));
6701 default:
6702 return -TARGET_ENOSYS;
6703 }
6704}
6705#if defined(TARGET_NR_name_to_handle_at) && defined(CONFIG_OPEN_BY_HANDLE)
6706static abi_long do_name_to_handle_at(abi_long dirfd, abi_long pathname,
6707 abi_long handle, abi_long mount_id,
6708 abi_long flags)
6709{
6710 struct file_handle *target_fh;
6711 struct file_handle *fh;
6712 int mid = 0;
6713 abi_long ret;
6714 char *name;
6715 unsigned int size, total_size;
6716
6717 if (get_user_s32(size, handle)) {
6718 return -TARGET_EFAULT;
6719 }
6720
6721 name = lock_user_string(pathname);
6722 if (!name) {
6723 return -TARGET_EFAULT;
6724 }
6725
6726 total_size = sizeof(struct file_handle) + size;
6727 target_fh = lock_user(VERIFY_WRITE, handle, total_size, 0);
6728 if (!target_fh) {
6729 unlock_user(name, pathname, 0);
6730 return -TARGET_EFAULT;
6731 }
6732
6733 fh = g_malloc0(total_size);
6734 fh->handle_bytes = size;
6735
6736 ret = get_errno(name_to_handle_at(dirfd, path(name), fh, &mid, flags));
6737 unlock_user(name, pathname, 0);
6738
6739
6740
6741
6742
6743
6744 memcpy(target_fh, fh, total_size);
6745 target_fh->handle_bytes = tswap32(fh->handle_bytes);
6746 target_fh->handle_type = tswap32(fh->handle_type);
6747 g_free(fh);
6748 unlock_user(target_fh, handle, total_size);
6749
6750 if (put_user_s32(mid, mount_id)) {
6751 return -TARGET_EFAULT;
6752 }
6753
6754 return ret;
6755
6756}
6757#endif
6758
6759#if defined(TARGET_NR_open_by_handle_at) && defined(CONFIG_OPEN_BY_HANDLE)
6760static abi_long do_open_by_handle_at(abi_long mount_fd, abi_long handle,
6761 abi_long flags)
6762{
6763 struct file_handle *target_fh;
6764 struct file_handle *fh;
6765 unsigned int size, total_size;
6766 abi_long ret;
6767
6768 if (get_user_s32(size, handle)) {
6769 return -TARGET_EFAULT;
6770 }
6771
6772 total_size = sizeof(struct file_handle) + size;
6773 target_fh = lock_user(VERIFY_READ, handle, total_size, 1);
6774 if (!target_fh) {
6775 return -TARGET_EFAULT;
6776 }
6777
6778 fh = g_memdup(target_fh, total_size);
6779 fh->handle_bytes = size;
6780 fh->handle_type = tswap32(target_fh->handle_type);
6781
6782 ret = get_errno(open_by_handle_at(mount_fd, fh,
6783 target_to_host_bitmask(flags, fcntl_flags_tbl)));
6784
6785 g_free(fh);
6786
6787 unlock_user(target_fh, handle, total_size);
6788
6789 return ret;
6790}
6791#endif
6792
6793#if defined(TARGET_NR_signalfd) || defined(TARGET_NR_signalfd4)
6794
6795static abi_long do_signalfd4(int fd, abi_long mask, int flags)
6796{
6797 int host_flags;
6798 target_sigset_t *target_mask;
6799 sigset_t host_mask;
6800 abi_long ret;
6801
6802 if (flags & ~(TARGET_O_NONBLOCK | TARGET_O_CLOEXEC)) {
6803 return -TARGET_EINVAL;
6804 }
6805 if (!lock_user_struct(VERIFY_READ, target_mask, mask, 1)) {
6806 return -TARGET_EFAULT;
6807 }
6808
6809 target_to_host_sigset(&host_mask, target_mask);
6810
6811 host_flags = target_to_host_bitmask(flags, fcntl_flags_tbl);
6812
6813 ret = get_errno(signalfd(fd, &host_mask, host_flags));
6814 if (ret >= 0) {
6815 fd_trans_register(ret, &target_signalfd_trans);
6816 }
6817
6818 unlock_user_struct(target_mask, mask, 0);
6819
6820 return ret;
6821}
6822#endif
6823
6824
6825
6826int host_to_target_waitstatus(int status)
6827{
6828 if (WIFSIGNALED(status)) {
6829 return host_to_target_signal(WTERMSIG(status)) | (status & ~0x7f);
6830 }
6831 if (WIFSTOPPED(status)) {
6832 return (host_to_target_signal(WSTOPSIG(status)) << 8)
6833 | (status & 0xff);
6834 }
6835 return status;
6836}
6837
6838static int open_self_cmdline(void *cpu_env, int fd)
6839{
6840 CPUState *cpu = env_cpu((CPUArchState *)cpu_env);
6841 struct linux_binprm *bprm = ((TaskState *)cpu->opaque)->bprm;
6842 int i;
6843
6844 for (i = 0; i < bprm->argc; i++) {
6845 size_t len = strlen(bprm->argv[i]) + 1;
6846
6847 if (write(fd, bprm->argv[i], len) != len) {
6848 return -1;
6849 }
6850 }
6851
6852 return 0;
6853}
6854
6855static int open_self_maps(void *cpu_env, int fd)
6856{
6857 CPUState *cpu = env_cpu((CPUArchState *)cpu_env);
6858 TaskState *ts = cpu->opaque;
6859 FILE *fp;
6860 char *line = NULL;
6861 size_t len = 0;
6862 ssize_t read;
6863
6864 fp = fopen("/proc/self/maps", "r");
6865 if (fp == NULL) {
6866 return -1;
6867 }
6868
6869 while ((read = getline(&line, &len, fp)) != -1) {
6870 int fields, dev_maj, dev_min, inode;
6871 uint64_t min, max, offset;
6872 char flag_r, flag_w, flag_x, flag_p;
6873 char path[512] = "";
6874 fields = sscanf(line, "%"PRIx64"-%"PRIx64" %c%c%c%c %"PRIx64" %x:%x %d"
6875 " %512s", &min, &max, &flag_r, &flag_w, &flag_x,
6876 &flag_p, &offset, &dev_maj, &dev_min, &inode, path);
6877
6878 if ((fields < 10) || (fields > 11)) {
6879 continue;
6880 }
6881 if (h2g_valid(min)) {
6882 int flags = page_get_flags(h2g(min));
6883 max = h2g_valid(max - 1) ? max : (uintptr_t)g2h(GUEST_ADDR_MAX) + 1;
6884 if (page_check_range(h2g(min), max - min, flags) == -1) {
6885 continue;
6886 }
6887 if (h2g(min) == ts->info->stack_limit) {
6888 pstrcpy(path, sizeof(path), " [stack]");
6889 }
6890 dprintf(fd, TARGET_ABI_FMT_ptr "-" TARGET_ABI_FMT_ptr
6891 " %c%c%c%c %08" PRIx64 " %02x:%02x %d %s%s\n",
6892 h2g(min), h2g(max - 1) + 1, flag_r, flag_w,
6893 flag_x, flag_p, offset, dev_maj, dev_min, inode,
6894 path[0] ? " " : "", path);
6895 }
6896 }
6897
6898 free(line);
6899 fclose(fp);
6900
6901 return 0;
6902}
6903
6904static int open_self_stat(void *cpu_env, int fd)
6905{
6906 CPUState *cpu = env_cpu((CPUArchState *)cpu_env);
6907 TaskState *ts = cpu->opaque;
6908 abi_ulong start_stack = ts->info->start_stack;
6909 int i;
6910
6911 for (i = 0; i < 44; i++) {
6912 char buf[128];
6913 int len;
6914 uint64_t val = 0;
6915
6916 if (i == 0) {
6917
6918 val = getpid();
6919 snprintf(buf, sizeof(buf), "%"PRId64 " ", val);
6920 } else if (i == 1) {
6921
6922 snprintf(buf, sizeof(buf), "(%s) ", ts->bprm->argv[0]);
6923 } else if (i == 27) {
6924
6925 val = start_stack;
6926 snprintf(buf, sizeof(buf), "%"PRId64 " ", val);
6927 } else {
6928
6929 snprintf(buf, sizeof(buf), "0%c", i == 43 ? '\n' : ' ');
6930 }
6931
6932 len = strlen(buf);
6933 if (write(fd, buf, len) != len) {
6934 return -1;
6935 }
6936 }
6937
6938 return 0;
6939}
6940
6941static int open_self_auxv(void *cpu_env, int fd)
6942{
6943 CPUState *cpu = env_cpu((CPUArchState *)cpu_env);
6944 TaskState *ts = cpu->opaque;
6945 abi_ulong auxv = ts->info->saved_auxv;
6946 abi_ulong len = ts->info->auxv_len;
6947 char *ptr;
6948
6949
6950
6951
6952
6953 ptr = lock_user(VERIFY_READ, auxv, len, 0);
6954 if (ptr != NULL) {
6955 while (len > 0) {
6956 ssize_t r;
6957 r = write(fd, ptr, len);
6958 if (r <= 0) {
6959 break;
6960 }
6961 len -= r;
6962 ptr += r;
6963 }
6964 lseek(fd, 0, SEEK_SET);
6965 unlock_user(ptr, auxv, len);
6966 }
6967
6968 return 0;
6969}
6970
6971static int is_proc_myself(const char *filename, const char *entry)
6972{
6973 if (!strncmp(filename, "/proc/", strlen("/proc/"))) {
6974 filename += strlen("/proc/");
6975 if (!strncmp(filename, "self/", strlen("self/"))) {
6976 filename += strlen("self/");
6977 } else if (*filename >= '1' && *filename <= '9') {
6978 char myself[80];
6979 snprintf(myself, sizeof(myself), "%d/", getpid());
6980 if (!strncmp(filename, myself, strlen(myself))) {
6981 filename += strlen(myself);
6982 } else {
6983 return 0;
6984 }
6985 } else {
6986 return 0;
6987 }
6988 if (!strcmp(filename, entry)) {
6989 return 1;
6990 }
6991 }
6992 return 0;
6993}
6994
6995#if defined(HOST_WORDS_BIGENDIAN) != defined(TARGET_WORDS_BIGENDIAN) || \
6996 defined(TARGET_SPARC) || defined(TARGET_M68K)
6997static int is_proc(const char *filename, const char *entry)
6998{
6999 return strcmp(filename, entry) == 0;
7000}
7001#endif
7002
7003#if defined(HOST_WORDS_BIGENDIAN) != defined(TARGET_WORDS_BIGENDIAN)
7004static int open_net_route(void *cpu_env, int fd)
7005{
7006 FILE *fp;
7007 char *line = NULL;
7008 size_t len = 0;
7009 ssize_t read;
7010
7011 fp = fopen("/proc/net/route", "r");
7012 if (fp == NULL) {
7013 return -1;
7014 }
7015
7016
7017
7018 read = getline(&line, &len, fp);
7019 dprintf(fd, "%s", line);
7020
7021
7022
7023 while ((read = getline(&line, &len, fp)) != -1) {
7024 char iface[16];
7025 uint32_t dest, gw, mask;
7026 unsigned int flags, refcnt, use, metric, mtu, window, irtt;
7027 int fields;
7028
7029 fields = sscanf(line,
7030 "%s\t%08x\t%08x\t%04x\t%d\t%d\t%d\t%08x\t%d\t%u\t%u\n",
7031 iface, &dest, &gw, &flags, &refcnt, &use, &metric,
7032 &mask, &mtu, &window, &irtt);
7033 if (fields != 11) {
7034 continue;
7035 }
7036 dprintf(fd, "%s\t%08x\t%08x\t%04x\t%d\t%d\t%d\t%08x\t%d\t%u\t%u\n",
7037 iface, tswap32(dest), tswap32(gw), flags, refcnt, use,
7038 metric, tswap32(mask), mtu, window, irtt);
7039 }
7040
7041 free(line);
7042 fclose(fp);
7043
7044 return 0;
7045}
7046#endif
7047
7048#if defined(TARGET_SPARC)
7049static int open_cpuinfo(void *cpu_env, int fd)
7050{
7051 dprintf(fd, "type\t\t: sun4u\n");
7052 return 0;
7053}
7054#endif
7055
7056#if defined(TARGET_M68K)
7057static int open_hardware(void *cpu_env, int fd)
7058{
7059 dprintf(fd, "Model:\t\tqemu-m68k\n");
7060 return 0;
7061}
7062#endif
7063
7064static int do_openat(void *cpu_env, int dirfd, const char *pathname, int flags, mode_t mode)
7065{
7066 struct fake_open {
7067 const char *filename;
7068 int (*fill)(void *cpu_env, int fd);
7069 int (*cmp)(const char *s1, const char *s2);
7070 };
7071 const struct fake_open *fake_open;
7072 static const struct fake_open fakes[] = {
7073 { "maps", open_self_maps, is_proc_myself },
7074 { "stat", open_self_stat, is_proc_myself },
7075 { "auxv", open_self_auxv, is_proc_myself },
7076 { "cmdline", open_self_cmdline, is_proc_myself },
7077#if defined(HOST_WORDS_BIGENDIAN) != defined(TARGET_WORDS_BIGENDIAN)
7078 { "/proc/net/route", open_net_route, is_proc },
7079#endif
7080#if defined(TARGET_SPARC)
7081 { "/proc/cpuinfo", open_cpuinfo, is_proc },
7082#endif
7083#if defined(TARGET_M68K)
7084 { "/proc/hardware", open_hardware, is_proc },
7085#endif
7086 { NULL, NULL, NULL }
7087 };
7088
7089 if (is_proc_myself(pathname, "exe")) {
7090 int execfd = qemu_getauxval(AT_EXECFD);
7091 return execfd ? execfd : safe_openat(dirfd, exec_path, flags, mode);
7092 }
7093
7094 for (fake_open = fakes; fake_open->filename; fake_open++) {
7095 if (fake_open->cmp(pathname, fake_open->filename)) {
7096 break;
7097 }
7098 }
7099
7100 if (fake_open->filename) {
7101 const char *tmpdir;
7102 char filename[PATH_MAX];
7103 int fd, r;
7104
7105
7106 tmpdir = getenv("TMPDIR");
7107 if (!tmpdir)
7108 tmpdir = "/tmp";
7109 snprintf(filename, sizeof(filename), "%s/qemu-open.XXXXXX", tmpdir);
7110 fd = mkstemp(filename);
7111 if (fd < 0) {
7112 return fd;
7113 }
7114 unlink(filename);
7115
7116 if ((r = fake_open->fill(cpu_env, fd))) {
7117 int e = errno;
7118 close(fd);
7119 errno = e;
7120 return r;
7121 }
7122 lseek(fd, 0, SEEK_SET);
7123
7124 return fd;
7125 }
7126
7127 return safe_openat(dirfd, path(pathname), flags, mode);
7128}
7129
7130#define TIMER_MAGIC 0x0caf0000
7131#define TIMER_MAGIC_MASK 0xffff0000
7132
7133
7134static target_timer_t get_timer_id(abi_long arg)
7135{
7136 target_timer_t timerid = arg;
7137
7138 if ((timerid & TIMER_MAGIC_MASK) != TIMER_MAGIC) {
7139 return -TARGET_EINVAL;
7140 }
7141
7142 timerid &= 0xffff;
7143
7144 if (timerid >= ARRAY_SIZE(g_posix_timers)) {
7145 return -TARGET_EINVAL;
7146 }
7147
7148 return timerid;
7149}
7150
7151static int target_to_host_cpu_mask(unsigned long *host_mask,
7152 size_t host_size,
7153 abi_ulong target_addr,
7154 size_t target_size)
7155{
7156 unsigned target_bits = sizeof(abi_ulong) * 8;
7157 unsigned host_bits = sizeof(*host_mask) * 8;
7158 abi_ulong *target_mask;
7159 unsigned i, j;
7160
7161 assert(host_size >= target_size);
7162
7163 target_mask = lock_user(VERIFY_READ, target_addr, target_size, 1);
7164 if (!target_mask) {
7165 return -TARGET_EFAULT;
7166 }
7167 memset(host_mask, 0, host_size);
7168
7169 for (i = 0 ; i < target_size / sizeof(abi_ulong); i++) {
7170 unsigned bit = i * target_bits;
7171 abi_ulong val;
7172
7173 __get_user(val, &target_mask[i]);
7174 for (j = 0; j < target_bits; j++, bit++) {
7175 if (val & (1UL << j)) {
7176 host_mask[bit / host_bits] |= 1UL << (bit % host_bits);
7177 }
7178 }
7179 }
7180
7181 unlock_user(target_mask, target_addr, 0);
7182 return 0;
7183}
7184
7185static int host_to_target_cpu_mask(const unsigned long *host_mask,
7186 size_t host_size,
7187 abi_ulong target_addr,
7188 size_t target_size)
7189{
7190 unsigned target_bits = sizeof(abi_ulong) * 8;
7191 unsigned host_bits = sizeof(*host_mask) * 8;
7192 abi_ulong *target_mask;
7193 unsigned i, j;
7194
7195 assert(host_size >= target_size);
7196
7197 target_mask = lock_user(VERIFY_WRITE, target_addr, target_size, 0);
7198 if (!target_mask) {
7199 return -TARGET_EFAULT;
7200 }
7201
7202 for (i = 0 ; i < target_size / sizeof(abi_ulong); i++) {
7203 unsigned bit = i * target_bits;
7204 abi_ulong val = 0;
7205
7206 for (j = 0; j < target_bits; j++, bit++) {
7207 if (host_mask[bit / host_bits] & (1UL << (bit % host_bits))) {
7208 val |= 1UL << j;
7209 }
7210 }
7211 __put_user(val, &target_mask[i]);
7212 }
7213
7214 unlock_user(target_mask, target_addr, target_size);
7215 return 0;
7216}
7217
7218
7219
7220
7221
7222
7223static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1,
7224 abi_long arg2, abi_long arg3, abi_long arg4,
7225 abi_long arg5, abi_long arg6, abi_long arg7,
7226 abi_long arg8)
7227{
7228 CPUState *cpu = env_cpu(cpu_env);
7229 abi_long ret;
7230#if defined(TARGET_NR_stat) || defined(TARGET_NR_stat64) \
7231 || defined(TARGET_NR_lstat) || defined(TARGET_NR_lstat64) \
7232 || defined(TARGET_NR_fstat) || defined(TARGET_NR_fstat64) \
7233 || defined(TARGET_NR_statx)
7234 struct stat st;
7235#endif
7236#if defined(TARGET_NR_statfs) || defined(TARGET_NR_statfs64) \
7237 || defined(TARGET_NR_fstatfs)
7238 struct statfs stfs;
7239#endif
7240 void *p;
7241
7242 switch(num) {
7243 case TARGET_NR_exit:
7244
7245
7246
7247
7248
7249 if (block_signals()) {
7250 return -TARGET_ERESTARTSYS;
7251 }
7252
7253 cpu_list_lock();
7254
7255 if (CPU_NEXT(first_cpu)) {
7256 TaskState *ts;
7257
7258
7259 QTAILQ_REMOVE_RCU(&cpus, cpu, node);
7260
7261 cpu_list_unlock();
7262
7263 ts = cpu->opaque;
7264 if (ts->child_tidptr) {
7265 put_user_u32(0, ts->child_tidptr);
7266 sys_futex(g2h(ts->child_tidptr), FUTEX_WAKE, INT_MAX,
7267 NULL, NULL, 0);
7268 }
7269 thread_cpu = NULL;
7270 object_unref(OBJECT(cpu));
7271 g_free(ts);
7272 rcu_unregister_thread();
7273 pthread_exit(NULL);
7274 }
7275
7276 cpu_list_unlock();
7277 preexit_cleanup(cpu_env, arg1);
7278 _exit(arg1);
7279 return 0;
7280 case TARGET_NR_read:
7281 if (arg2 == 0 && arg3 == 0) {
7282 return get_errno(safe_read(arg1, 0, 0));
7283 } else {
7284 if (!(p = lock_user(VERIFY_WRITE, arg2, arg3, 0)))
7285 return -TARGET_EFAULT;
7286 ret = get_errno(safe_read(arg1, p, arg3));
7287 if (ret >= 0 &&
7288 fd_trans_host_to_target_data(arg1)) {
7289 ret = fd_trans_host_to_target_data(arg1)(p, ret);
7290 }
7291 unlock_user(p, arg2, ret);
7292 }
7293 return ret;
7294 case TARGET_NR_write:
7295 if (arg2 == 0 && arg3 == 0) {
7296 return get_errno(safe_write(arg1, 0, 0));
7297 }
7298 if (!(p = lock_user(VERIFY_READ, arg2, arg3, 1)))
7299 return -TARGET_EFAULT;
7300 if (fd_trans_target_to_host_data(arg1)) {
7301 void *copy = g_malloc(arg3);
7302 memcpy(copy, p, arg3);
7303 ret = fd_trans_target_to_host_data(arg1)(copy, arg3);
7304 if (ret >= 0) {
7305 ret = get_errno(safe_write(arg1, copy, ret));
7306 }
7307 g_free(copy);
7308 } else {
7309 ret = get_errno(safe_write(arg1, p, arg3));
7310 }
7311 unlock_user(p, arg2, 0);
7312 return ret;
7313
7314#ifdef TARGET_NR_open
7315 case TARGET_NR_open:
7316 if (!(p = lock_user_string(arg1)))
7317 return -TARGET_EFAULT;
7318 ret = get_errno(do_openat(cpu_env, AT_FDCWD, p,
7319 target_to_host_bitmask(arg2, fcntl_flags_tbl),
7320 arg3));
7321 fd_trans_unregister(ret);
7322 unlock_user(p, arg1, 0);
7323 return ret;
7324#endif
7325 case TARGET_NR_openat:
7326 if (!(p = lock_user_string(arg2)))
7327 return -TARGET_EFAULT;
7328 ret = get_errno(do_openat(cpu_env, arg1, p,
7329 target_to_host_bitmask(arg3, fcntl_flags_tbl),
7330 arg4));
7331 fd_trans_unregister(ret);
7332 unlock_user(p, arg2, 0);
7333 return ret;
7334#if defined(TARGET_NR_name_to_handle_at) && defined(CONFIG_OPEN_BY_HANDLE)
7335 case TARGET_NR_name_to_handle_at:
7336 ret = do_name_to_handle_at(arg1, arg2, arg3, arg4, arg5);
7337 return ret;
7338#endif
7339#if defined(TARGET_NR_open_by_handle_at) && defined(CONFIG_OPEN_BY_HANDLE)
7340 case TARGET_NR_open_by_handle_at:
7341 ret = do_open_by_handle_at(arg1, arg2, arg3);
7342 fd_trans_unregister(ret);
7343 return ret;
7344#endif
7345 case TARGET_NR_close:
7346 fd_trans_unregister(arg1);
7347 return get_errno(close(arg1));
7348
7349 case TARGET_NR_brk:
7350 return do_brk(arg1);
7351#ifdef TARGET_NR_fork
7352 case TARGET_NR_fork:
7353 return get_errno(do_fork(cpu_env, TARGET_SIGCHLD, 0, 0, 0, 0));
7354#endif
7355#ifdef TARGET_NR_waitpid
7356 case TARGET_NR_waitpid:
7357 {
7358 int status;
7359 ret = get_errno(safe_wait4(arg1, &status, arg3, 0));
7360 if (!is_error(ret) && arg2 && ret
7361 && put_user_s32(host_to_target_waitstatus(status), arg2))
7362 return -TARGET_EFAULT;
7363 }
7364 return ret;
7365#endif
7366#ifdef TARGET_NR_waitid
7367 case TARGET_NR_waitid:
7368 {
7369 siginfo_t info;
7370 info.si_pid = 0;
7371 ret = get_errno(safe_waitid(arg1, arg2, &info, arg4, NULL));
7372 if (!is_error(ret) && arg3 && info.si_pid != 0) {
7373 if (!(p = lock_user(VERIFY_WRITE, arg3, sizeof(target_siginfo_t), 0)))
7374 return -TARGET_EFAULT;
7375 host_to_target_siginfo(p, &info);
7376 unlock_user(p, arg3, sizeof(target_siginfo_t));
7377 }
7378 }
7379 return ret;
7380#endif
7381#ifdef TARGET_NR_creat
7382 case TARGET_NR_creat:
7383 if (!(p = lock_user_string(arg1)))
7384 return -TARGET_EFAULT;
7385 ret = get_errno(creat(p, arg2));
7386 fd_trans_unregister(ret);
7387 unlock_user(p, arg1, 0);
7388 return ret;
7389#endif
7390#ifdef TARGET_NR_link
7391 case TARGET_NR_link:
7392 {
7393 void * p2;
7394 p = lock_user_string(arg1);
7395 p2 = lock_user_string(arg2);
7396 if (!p || !p2)
7397 ret = -TARGET_EFAULT;
7398 else
7399 ret = get_errno(link(p, p2));
7400 unlock_user(p2, arg2, 0);
7401 unlock_user(p, arg1, 0);
7402 }
7403 return ret;
7404#endif
7405#if defined(TARGET_NR_linkat)
7406 case TARGET_NR_linkat:
7407 {
7408 void * p2 = NULL;
7409 if (!arg2 || !arg4)
7410 return -TARGET_EFAULT;
7411 p = lock_user_string(arg2);
7412 p2 = lock_user_string(arg4);
7413 if (!p || !p2)
7414 ret = -TARGET_EFAULT;
7415 else
7416 ret = get_errno(linkat(arg1, p, arg3, p2, arg5));
7417 unlock_user(p, arg2, 0);
7418 unlock_user(p2, arg4, 0);
7419 }
7420 return ret;
7421#endif
7422#ifdef TARGET_NR_unlink
7423 case TARGET_NR_unlink:
7424 if (!(p = lock_user_string(arg1)))
7425 return -TARGET_EFAULT;
7426 ret = get_errno(unlink(p));
7427 unlock_user(p, arg1, 0);
7428 return ret;
7429#endif
7430#if defined(TARGET_NR_unlinkat)
7431 case TARGET_NR_unlinkat:
7432 if (!(p = lock_user_string(arg2)))
7433 return -TARGET_EFAULT;
7434 ret = get_errno(unlinkat(arg1, p, arg3));
7435 unlock_user(p, arg2, 0);
7436 return ret;
7437#endif
7438 case TARGET_NR_execve:
7439 {
7440 char **argp, **envp;
7441 int argc, envc;
7442 abi_ulong gp;
7443 abi_ulong guest_argp;
7444 abi_ulong guest_envp;
7445 abi_ulong addr;
7446 char **q;
7447 int total_size = 0;
7448
7449 argc = 0;
7450 guest_argp = arg2;
7451 for (gp = guest_argp; gp; gp += sizeof(abi_ulong)) {
7452 if (get_user_ual(addr, gp))
7453 return -TARGET_EFAULT;
7454 if (!addr)
7455 break;
7456 argc++;
7457 }
7458 envc = 0;
7459 guest_envp = arg3;
7460 for (gp = guest_envp; gp; gp += sizeof(abi_ulong)) {
7461 if (get_user_ual(addr, gp))
7462 return -TARGET_EFAULT;
7463 if (!addr)
7464 break;
7465 envc++;
7466 }
7467
7468 argp = g_new0(char *, argc + 1);
7469 envp = g_new0(char *, envc + 1);
7470
7471 for (gp = guest_argp, q = argp; gp;
7472 gp += sizeof(abi_ulong), q++) {
7473 if (get_user_ual(addr, gp))
7474 goto execve_efault;
7475 if (!addr)
7476 break;
7477 if (!(*q = lock_user_string(addr)))
7478 goto execve_efault;
7479 total_size += strlen(*q) + 1;
7480 }
7481 *q = NULL;
7482
7483 for (gp = guest_envp, q = envp; gp;
7484 gp += sizeof(abi_ulong), q++) {
7485 if (get_user_ual(addr, gp))
7486 goto execve_efault;
7487 if (!addr)
7488 break;
7489 if (!(*q = lock_user_string(addr)))
7490 goto execve_efault;
7491 total_size += strlen(*q) + 1;
7492 }
7493 *q = NULL;
7494
7495 if (!(p = lock_user_string(arg1)))
7496 goto execve_efault;
7497
7498
7499
7500
7501
7502
7503
7504
7505
7506
7507 ret = get_errno(safe_execve(p, argp, envp));
7508 unlock_user(p, arg1, 0);
7509
7510 goto execve_end;
7511
7512 execve_efault:
7513 ret = -TARGET_EFAULT;
7514
7515 execve_end:
7516 for (gp = guest_argp, q = argp; *q;
7517 gp += sizeof(abi_ulong), q++) {
7518 if (get_user_ual(addr, gp)
7519 || !addr)
7520 break;
7521 unlock_user(*q, addr, 0);
7522 }
7523 for (gp = guest_envp, q = envp; *q;
7524 gp += sizeof(abi_ulong), q++) {
7525 if (get_user_ual(addr, gp)
7526 || !addr)
7527 break;
7528 unlock_user(*q, addr, 0);
7529 }
7530
7531 g_free(argp);
7532 g_free(envp);
7533 }
7534 return ret;
7535 case TARGET_NR_chdir:
7536 if (!(p = lock_user_string(arg1)))
7537 return -TARGET_EFAULT;
7538 ret = get_errno(chdir(p));
7539 unlock_user(p, arg1, 0);
7540 return ret;
7541#ifdef TARGET_NR_time
7542 case TARGET_NR_time:
7543 {
7544 time_t host_time;
7545 ret = get_errno(time(&host_time));
7546 if (!is_error(ret)
7547 && arg1
7548 && put_user_sal(host_time, arg1))
7549 return -TARGET_EFAULT;
7550 }
7551 return ret;
7552#endif
7553#ifdef TARGET_NR_mknod
7554 case TARGET_NR_mknod:
7555 if (!(p = lock_user_string(arg1)))
7556 return -TARGET_EFAULT;
7557 ret = get_errno(mknod(p, arg2, arg3));
7558 unlock_user(p, arg1, 0);
7559 return ret;
7560#endif
7561#if defined(TARGET_NR_mknodat)
7562 case TARGET_NR_mknodat:
7563 if (!(p = lock_user_string(arg2)))
7564 return -TARGET_EFAULT;
7565 ret = get_errno(mknodat(arg1, p, arg3, arg4));
7566 unlock_user(p, arg2, 0);
7567 return ret;
7568#endif
7569#ifdef TARGET_NR_chmod
7570 case TARGET_NR_chmod:
7571 if (!(p = lock_user_string(arg1)))
7572 return -TARGET_EFAULT;
7573 ret = get_errno(chmod(p, arg2));
7574 unlock_user(p, arg1, 0);
7575 return ret;
7576#endif
7577#ifdef TARGET_NR_lseek
7578 case TARGET_NR_lseek:
7579 return get_errno(lseek(arg1, arg2, arg3));
7580#endif
7581#if defined(TARGET_NR_getxpid) && defined(TARGET_ALPHA)
7582
7583 case TARGET_NR_getxpid:
7584 ((CPUAlphaState *)cpu_env)->ir[IR_A4] = getppid();
7585 return get_errno(getpid());
7586#endif
7587#ifdef TARGET_NR_getpid
7588 case TARGET_NR_getpid:
7589 return get_errno(getpid());
7590#endif
7591 case TARGET_NR_mount:
7592 {
7593
7594 void *p2, *p3;
7595
7596 if (arg1) {
7597 p = lock_user_string(arg1);
7598 if (!p) {
7599 return -TARGET_EFAULT;
7600 }
7601 } else {
7602 p = NULL;
7603 }
7604
7605 p2 = lock_user_string(arg2);
7606 if (!p2) {
7607 if (arg1) {
7608 unlock_user(p, arg1, 0);
7609 }
7610 return -TARGET_EFAULT;
7611 }
7612
7613 if (arg3) {
7614 p3 = lock_user_string(arg3);
7615 if (!p3) {
7616 if (arg1) {
7617 unlock_user(p, arg1, 0);
7618 }
7619 unlock_user(p2, arg2, 0);
7620 return -TARGET_EFAULT;
7621 }
7622 } else {
7623 p3 = NULL;
7624 }
7625
7626
7627
7628
7629
7630 if (!arg5) {
7631 ret = mount(p, p2, p3, (unsigned long)arg4, NULL);
7632 } else {
7633 ret = mount(p, p2, p3, (unsigned long)arg4, g2h(arg5));
7634 }
7635 ret = get_errno(ret);
7636
7637 if (arg1) {
7638 unlock_user(p, arg1, 0);
7639 }
7640 unlock_user(p2, arg2, 0);
7641 if (arg3) {
7642 unlock_user(p3, arg3, 0);
7643 }
7644 }
7645 return ret;
7646#ifdef TARGET_NR_umount
7647 case TARGET_NR_umount:
7648 if (!(p = lock_user_string(arg1)))
7649 return -TARGET_EFAULT;
7650 ret = get_errno(umount(p));
7651 unlock_user(p, arg1, 0);
7652 return ret;
7653#endif
7654#ifdef TARGET_NR_stime
7655 case TARGET_NR_stime:
7656 {
7657 time_t host_time;
7658 if (get_user_sal(host_time, arg1))
7659 return -TARGET_EFAULT;
7660 return get_errno(stime(&host_time));
7661 }
7662#endif
7663#ifdef TARGET_NR_alarm
7664 case TARGET_NR_alarm:
7665 return alarm(arg1);
7666#endif
7667#ifdef TARGET_NR_pause
7668 case TARGET_NR_pause:
7669 if (!block_signals()) {
7670 sigsuspend(&((TaskState *)cpu->opaque)->signal_mask);
7671 }
7672 return -TARGET_EINTR;
7673#endif
7674#ifdef TARGET_NR_utime
7675 case TARGET_NR_utime:
7676 {
7677 struct utimbuf tbuf, *host_tbuf;
7678 struct target_utimbuf *target_tbuf;
7679 if (arg2) {
7680 if (!lock_user_struct(VERIFY_READ, target_tbuf, arg2, 1))
7681 return -TARGET_EFAULT;
7682 tbuf.actime = tswapal(target_tbuf->actime);
7683 tbuf.modtime = tswapal(target_tbuf->modtime);
7684 unlock_user_struct(target_tbuf, arg2, 0);
7685 host_tbuf = &tbuf;
7686 } else {
7687 host_tbuf = NULL;
7688 }
7689 if (!(p = lock_user_string(arg1)))
7690 return -TARGET_EFAULT;
7691 ret = get_errno(utime(p, host_tbuf));
7692 unlock_user(p, arg1, 0);
7693 }
7694 return ret;
7695#endif
7696#ifdef TARGET_NR_utimes
7697 case TARGET_NR_utimes:
7698 {
7699 struct timeval *tvp, tv[2];
7700 if (arg2) {
7701 if (copy_from_user_timeval(&tv[0], arg2)
7702 || copy_from_user_timeval(&tv[1],
7703 arg2 + sizeof(struct target_timeval)))
7704 return -TARGET_EFAULT;
7705 tvp = tv;
7706 } else {
7707 tvp = NULL;
7708 }
7709 if (!(p = lock_user_string(arg1)))
7710 return -TARGET_EFAULT;
7711 ret = get_errno(utimes(p, tvp));
7712 unlock_user(p, arg1, 0);
7713 }
7714 return ret;
7715#endif
7716#if defined(TARGET_NR_futimesat)
7717 case TARGET_NR_futimesat:
7718 {
7719 struct timeval *tvp, tv[2];
7720 if (arg3) {
7721 if (copy_from_user_timeval(&tv[0], arg3)
7722 || copy_from_user_timeval(&tv[1],
7723 arg3 + sizeof(struct target_timeval)))
7724 return -TARGET_EFAULT;
7725 tvp = tv;
7726 } else {
7727 tvp = NULL;
7728 }
7729 if (!(p = lock_user_string(arg2))) {
7730 return -TARGET_EFAULT;
7731 }
7732 ret = get_errno(futimesat(arg1, path(p), tvp));
7733 unlock_user(p, arg2, 0);
7734 }
7735 return ret;
7736#endif
7737#ifdef TARGET_NR_access
7738 case TARGET_NR_access:
7739 if (!(p = lock_user_string(arg1))) {
7740 return -TARGET_EFAULT;
7741 }
7742 ret = get_errno(access(path(p), arg2));
7743 unlock_user(p, arg1, 0);
7744 return ret;
7745#endif
7746#if defined(TARGET_NR_faccessat) && defined(__NR_faccessat)
7747 case TARGET_NR_faccessat:
7748 if (!(p = lock_user_string(arg2))) {
7749 return -TARGET_EFAULT;
7750 }
7751 ret = get_errno(faccessat(arg1, p, arg3, 0));
7752 unlock_user(p, arg2, 0);
7753 return ret;
7754#endif
7755#ifdef TARGET_NR_nice
7756 case TARGET_NR_nice:
7757 return get_errno(nice(arg1));
7758#endif
7759 case TARGET_NR_sync:
7760 sync();
7761 return 0;
7762#if defined(TARGET_NR_syncfs) && defined(CONFIG_SYNCFS)
7763 case TARGET_NR_syncfs:
7764 return get_errno(syncfs(arg1));
7765#endif
7766 case TARGET_NR_kill:
7767 return get_errno(safe_kill(arg1, target_to_host_signal(arg2)));
7768#ifdef TARGET_NR_rename
7769 case TARGET_NR_rename:
7770 {
7771 void *p2;
7772 p = lock_user_string(arg1);
7773 p2 = lock_user_string(arg2);
7774 if (!p || !p2)
7775 ret = -TARGET_EFAULT;
7776 else
7777 ret = get_errno(rename(p, p2));
7778 unlock_user(p2, arg2, 0);
7779 unlock_user(p, arg1, 0);
7780 }
7781 return ret;
7782#endif
7783#if defined(TARGET_NR_renameat)
7784 case TARGET_NR_renameat:
7785 {
7786 void *p2;
7787 p = lock_user_string(arg2);
7788 p2 = lock_user_string(arg4);
7789 if (!p || !p2)
7790 ret = -TARGET_EFAULT;
7791 else
7792 ret = get_errno(renameat(arg1, p, arg3, p2));
7793 unlock_user(p2, arg4, 0);
7794 unlock_user(p, arg2, 0);
7795 }
7796 return ret;
7797#endif
7798#if defined(TARGET_NR_renameat2)
7799 case TARGET_NR_renameat2:
7800 {
7801 void *p2;
7802 p = lock_user_string(arg2);
7803 p2 = lock_user_string(arg4);
7804 if (!p || !p2) {
7805 ret = -TARGET_EFAULT;
7806 } else {
7807 ret = get_errno(sys_renameat2(arg1, p, arg3, p2, arg5));
7808 }
7809 unlock_user(p2, arg4, 0);
7810 unlock_user(p, arg2, 0);
7811 }
7812 return ret;
7813#endif
7814#ifdef TARGET_NR_mkdir
7815 case TARGET_NR_mkdir:
7816 if (!(p = lock_user_string(arg1)))
7817 return -TARGET_EFAULT;
7818 ret = get_errno(mkdir(p, arg2));
7819 unlock_user(p, arg1, 0);
7820 return ret;
7821#endif
7822#if defined(TARGET_NR_mkdirat)
7823 case TARGET_NR_mkdirat:
7824 if (!(p = lock_user_string(arg2)))
7825 return -TARGET_EFAULT;
7826 ret = get_errno(mkdirat(arg1, p, arg3));
7827 unlock_user(p, arg2, 0);
7828 return ret;
7829#endif
7830#ifdef TARGET_NR_rmdir
7831 case TARGET_NR_rmdir:
7832 if (!(p = lock_user_string(arg1)))
7833 return -TARGET_EFAULT;
7834 ret = get_errno(rmdir(p));
7835 unlock_user(p, arg1, 0);
7836 return ret;
7837#endif
7838 case TARGET_NR_dup:
7839 ret = get_errno(dup(arg1));
7840 if (ret >= 0) {
7841 fd_trans_dup(arg1, ret);
7842 }
7843 return ret;
7844#ifdef TARGET_NR_pipe
7845 case TARGET_NR_pipe:
7846 return do_pipe(cpu_env, arg1, 0, 0);
7847#endif
7848#ifdef TARGET_NR_pipe2
7849 case TARGET_NR_pipe2:
7850 return do_pipe(cpu_env, arg1,
7851 target_to_host_bitmask(arg2, fcntl_flags_tbl), 1);
7852#endif
7853 case TARGET_NR_times:
7854 {
7855 struct target_tms *tmsp;
7856 struct tms tms;
7857 ret = get_errno(times(&tms));
7858 if (arg1) {
7859 tmsp = lock_user(VERIFY_WRITE, arg1, sizeof(struct target_tms), 0);
7860 if (!tmsp)
7861 return -TARGET_EFAULT;
7862 tmsp->tms_utime = tswapal(host_to_target_clock_t(tms.tms_utime));
7863 tmsp->tms_stime = tswapal(host_to_target_clock_t(tms.tms_stime));
7864 tmsp->tms_cutime = tswapal(host_to_target_clock_t(tms.tms_cutime));
7865 tmsp->tms_cstime = tswapal(host_to_target_clock_t(tms.tms_cstime));
7866 }
7867 if (!is_error(ret))
7868 ret = host_to_target_clock_t(ret);
7869 }
7870 return ret;
7871 case TARGET_NR_acct:
7872 if (arg1 == 0) {
7873 ret = get_errno(acct(NULL));
7874 } else {
7875 if (!(p = lock_user_string(arg1))) {
7876 return -TARGET_EFAULT;
7877 }
7878 ret = get_errno(acct(path(p)));
7879 unlock_user(p, arg1, 0);
7880 }
7881 return ret;
7882#ifdef TARGET_NR_umount2
7883 case TARGET_NR_umount2:
7884 if (!(p = lock_user_string(arg1)))
7885 return -TARGET_EFAULT;
7886 ret = get_errno(umount2(p, arg2));
7887 unlock_user(p, arg1, 0);
7888 return ret;
7889#endif
7890 case TARGET_NR_ioctl:
7891 return do_ioctl(arg1, arg2, arg3);
7892#ifdef TARGET_NR_fcntl
7893 case TARGET_NR_fcntl:
7894 return do_fcntl(arg1, arg2, arg3);
7895#endif
7896 case TARGET_NR_setpgid:
7897 return get_errno(setpgid(arg1, arg2));
7898 case TARGET_NR_umask:
7899 return get_errno(umask(arg1));
7900 case TARGET_NR_chroot:
7901 if (!(p = lock_user_string(arg1)))
7902 return -TARGET_EFAULT;
7903 ret = get_errno(chroot(p));
7904 unlock_user(p, arg1, 0);
7905 return ret;
7906#ifdef TARGET_NR_dup2
7907 case TARGET_NR_dup2:
7908 ret = get_errno(dup2(arg1, arg2));
7909 if (ret >= 0) {
7910 fd_trans_dup(arg1, arg2);
7911 }
7912 return ret;
7913#endif
7914#if defined(CONFIG_DUP3) && defined(TARGET_NR_dup3)
7915 case TARGET_NR_dup3:
7916 {
7917 int host_flags;
7918
7919 if ((arg3 & ~TARGET_O_CLOEXEC) != 0) {
7920 return -EINVAL;
7921 }
7922 host_flags = target_to_host_bitmask(arg3, fcntl_flags_tbl);
7923 ret = get_errno(dup3(arg1, arg2, host_flags));
7924 if (ret >= 0) {
7925 fd_trans_dup(arg1, arg2);
7926 }
7927 return ret;
7928 }
7929#endif
7930#ifdef TARGET_NR_getppid
7931 case TARGET_NR_getppid:
7932 return get_errno(getppid());
7933#endif
7934#ifdef TARGET_NR_getpgrp
7935 case TARGET_NR_getpgrp:
7936 return get_errno(getpgrp());
7937#endif
7938 case TARGET_NR_setsid:
7939 return get_errno(setsid());
7940#ifdef TARGET_NR_sigaction
7941 case TARGET_NR_sigaction:
7942 {
7943#if defined(TARGET_ALPHA)
7944 struct target_sigaction act, oact, *pact = 0;
7945 struct target_old_sigaction *old_act;
7946 if (arg2) {
7947 if (!lock_user_struct(VERIFY_READ, old_act, arg2, 1))
7948 return -TARGET_EFAULT;
7949 act._sa_handler = old_act->_sa_handler;
7950 target_siginitset(&act.sa_mask, old_act->sa_mask);
7951 act.sa_flags = old_act->sa_flags;
7952 act.sa_restorer = 0;
7953 unlock_user_struct(old_act, arg2, 0);
7954 pact = &act;
7955 }
7956 ret = get_errno(do_sigaction(arg1, pact, &oact));
7957 if (!is_error(ret) && arg3) {
7958 if (!lock_user_struct(VERIFY_WRITE, old_act, arg3, 0))
7959 return -TARGET_EFAULT;
7960 old_act->_sa_handler = oact._sa_handler;
7961 old_act->sa_mask = oact.sa_mask.sig[0];
7962 old_act->sa_flags = oact.sa_flags;
7963 unlock_user_struct(old_act, arg3, 1);
7964 }
7965#elif defined(TARGET_MIPS)
7966 struct target_sigaction act, oact, *pact, *old_act;
7967
7968 if (arg2) {
7969 if (!lock_user_struct(VERIFY_READ, old_act, arg2, 1))
7970 return -TARGET_EFAULT;
7971 act._sa_handler = old_act->_sa_handler;
7972 target_siginitset(&act.sa_mask, old_act->sa_mask.sig[0]);
7973 act.sa_flags = old_act->sa_flags;
7974 unlock_user_struct(old_act, arg2, 0);
7975 pact = &act;
7976 } else {
7977 pact = NULL;
7978 }
7979
7980 ret = get_errno(do_sigaction(arg1, pact, &oact));
7981
7982 if (!is_error(ret) && arg3) {
7983 if (!lock_user_struct(VERIFY_WRITE, old_act, arg3, 0))
7984 return -TARGET_EFAULT;
7985 old_act->_sa_handler = oact._sa_handler;
7986 old_act->sa_flags = oact.sa_flags;
7987 old_act->sa_mask.sig[0] = oact.sa_mask.sig[0];
7988 old_act->sa_mask.sig[1] = 0;
7989 old_act->sa_mask.sig[2] = 0;
7990 old_act->sa_mask.sig[3] = 0;
7991 unlock_user_struct(old_act, arg3, 1);
7992 }
7993#else
7994 struct target_old_sigaction *old_act;
7995 struct target_sigaction act, oact, *pact;
7996 if (arg2) {
7997 if (!lock_user_struct(VERIFY_READ, old_act, arg2, 1))
7998 return -TARGET_EFAULT;
7999 act._sa_handler = old_act->_sa_handler;
8000 target_siginitset(&act.sa_mask, old_act->sa_mask);
8001 act.sa_flags = old_act->sa_flags;
8002 act.sa_restorer = old_act->sa_restorer;
8003#ifdef TARGET_ARCH_HAS_KA_RESTORER
8004 act.ka_restorer = 0;
8005#endif
8006 unlock_user_struct(old_act, arg2, 0);
8007 pact = &act;
8008 } else {
8009 pact = NULL;
8010 }
8011 ret = get_errno(do_sigaction(arg1, pact, &oact));
8012 if (!is_error(ret) && arg3) {
8013 if (!lock_user_struct(VERIFY_WRITE, old_act, arg3, 0))
8014 return -TARGET_EFAULT;
8015 old_act->_sa_handler = oact._sa_handler;
8016 old_act->sa_mask = oact.sa_mask.sig[0];
8017 old_act->sa_flags = oact.sa_flags;
8018 old_act->sa_restorer = oact.sa_restorer;
8019 unlock_user_struct(old_act, arg3, 1);
8020 }
8021#endif
8022 }
8023 return ret;
8024#endif
8025 case TARGET_NR_rt_sigaction:
8026 {
8027#if defined(TARGET_ALPHA)
8028
8029
8030
8031
8032
8033
8034
8035
8036 struct target_rt_sigaction *rt_act;
8037 struct target_sigaction act, oact, *pact = 0;
8038
8039 if (arg4 != sizeof(target_sigset_t)) {
8040 return -TARGET_EINVAL;
8041 }
8042 if (arg2) {
8043 if (!lock_user_struct(VERIFY_READ, rt_act, arg2, 1))
8044 return -TARGET_EFAULT;
8045 act._sa_handler = rt_act->_sa_handler;
8046 act.sa_mask = rt_act->sa_mask;
8047 act.sa_flags = rt_act->sa_flags;
8048 act.sa_restorer = arg5;
8049 unlock_user_struct(rt_act, arg2, 0);
8050 pact = &act;
8051 }
8052 ret = get_errno(do_sigaction(arg1, pact, &oact));
8053 if (!is_error(ret) && arg3) {
8054 if (!lock_user_struct(VERIFY_WRITE, rt_act, arg3, 0))
8055 return -TARGET_EFAULT;
8056 rt_act->_sa_handler = oact._sa_handler;
8057 rt_act->sa_mask = oact.sa_mask;
8058 rt_act->sa_flags = oact.sa_flags;
8059 unlock_user_struct(rt_act, arg3, 1);
8060 }
8061#else
8062#ifdef TARGET_SPARC
8063 target_ulong restorer = arg4;
8064 target_ulong sigsetsize = arg5;
8065#else
8066 target_ulong sigsetsize = arg4;
8067#endif
8068 struct target_sigaction *act;
8069 struct target_sigaction *oact;
8070
8071 if (sigsetsize != sizeof(target_sigset_t)) {
8072 return -TARGET_EINVAL;
8073 }
8074 if (arg2) {
8075 if (!lock_user_struct(VERIFY_READ, act, arg2, 1)) {
8076 return -TARGET_EFAULT;
8077 }
8078#ifdef TARGET_ARCH_HAS_KA_RESTORER
8079 act->ka_restorer = restorer;
8080#endif
8081 } else {
8082 act = NULL;
8083 }
8084 if (arg3) {
8085 if (!lock_user_struct(VERIFY_WRITE, oact, arg3, 0)) {
8086 ret = -TARGET_EFAULT;
8087 goto rt_sigaction_fail;
8088 }
8089 } else
8090 oact = NULL;
8091 ret = get_errno(do_sigaction(arg1, act, oact));
8092 rt_sigaction_fail:
8093 if (act)
8094 unlock_user_struct(act, arg2, 0);
8095 if (oact)
8096 unlock_user_struct(oact, arg3, 1);
8097#endif
8098 }
8099 return ret;
8100#ifdef TARGET_NR_sgetmask
8101 case TARGET_NR_sgetmask:
8102 {
8103 sigset_t cur_set;
8104 abi_ulong target_set;
8105 ret = do_sigprocmask(0, NULL, &cur_set);
8106 if (!ret) {
8107 host_to_target_old_sigset(&target_set, &cur_set);
8108 ret = target_set;
8109 }
8110 }
8111 return ret;
8112#endif
8113#ifdef TARGET_NR_ssetmask
8114 case TARGET_NR_ssetmask:
8115 {
8116 sigset_t set, oset;
8117 abi_ulong target_set = arg1;
8118 target_to_host_old_sigset(&set, &target_set);
8119 ret = do_sigprocmask(SIG_SETMASK, &set, &oset);
8120 if (!ret) {
8121 host_to_target_old_sigset(&target_set, &oset);
8122 ret = target_set;
8123 }
8124 }
8125 return ret;
8126#endif
8127#ifdef TARGET_NR_sigprocmask
8128 case TARGET_NR_sigprocmask:
8129 {
8130#if defined(TARGET_ALPHA)
8131 sigset_t set, oldset;
8132 abi_ulong mask;
8133 int how;
8134
8135 switch (arg1) {
8136 case TARGET_SIG_BLOCK:
8137 how = SIG_BLOCK;
8138 break;
8139 case TARGET_SIG_UNBLOCK:
8140 how = SIG_UNBLOCK;
8141 break;
8142 case TARGET_SIG_SETMASK:
8143 how = SIG_SETMASK;
8144 break;
8145 default:
8146 return -TARGET_EINVAL;
8147 }
8148 mask = arg2;
8149 target_to_host_old_sigset(&set, &mask);
8150
8151 ret = do_sigprocmask(how, &set, &oldset);
8152 if (!is_error(ret)) {
8153 host_to_target_old_sigset(&mask, &oldset);
8154 ret = mask;
8155 ((CPUAlphaState *)cpu_env)->ir[IR_V0] = 0;
8156 }
8157#else
8158 sigset_t set, oldset, *set_ptr;
8159 int how;
8160
8161 if (arg2) {
8162 switch (arg1) {
8163 case TARGET_SIG_BLOCK:
8164 how = SIG_BLOCK;
8165 break;
8166 case TARGET_SIG_UNBLOCK:
8167 how = SIG_UNBLOCK;
8168 break;
8169 case TARGET_SIG_SETMASK:
8170 how = SIG_SETMASK;
8171 break;
8172 default:
8173 return -TARGET_EINVAL;
8174 }
8175 if (!(p = lock_user(VERIFY_READ, arg2, sizeof(target_sigset_t), 1)))
8176 return -TARGET_EFAULT;
8177 target_to_host_old_sigset(&set, p);
8178 unlock_user(p, arg2, 0);
8179 set_ptr = &set;
8180 } else {
8181 how = 0;
8182 set_ptr = NULL;
8183 }
8184 ret = do_sigprocmask(how, set_ptr, &oldset);
8185 if (!is_error(ret) && arg3) {
8186 if (!(p = lock_user(VERIFY_WRITE, arg3, sizeof(target_sigset_t), 0)))
8187 return -TARGET_EFAULT;
8188 host_to_target_old_sigset(p, &oldset);
8189 unlock_user(p, arg3, sizeof(target_sigset_t));
8190 }
8191#endif
8192 }
8193 return ret;
8194#endif
8195 case TARGET_NR_rt_sigprocmask:
8196 {
8197 int how = arg1;
8198 sigset_t set, oldset, *set_ptr;
8199
8200 if (arg4 != sizeof(target_sigset_t)) {
8201 return -TARGET_EINVAL;
8202 }
8203
8204 if (arg2) {
8205 switch(how) {
8206 case TARGET_SIG_BLOCK:
8207 how = SIG_BLOCK;
8208 break;
8209 case TARGET_SIG_UNBLOCK:
8210 how = SIG_UNBLOCK;
8211 break;
8212 case TARGET_SIG_SETMASK:
8213 how = SIG_SETMASK;
8214 break;
8215 default:
8216 return -TARGET_EINVAL;
8217 }
8218 if (!(p = lock_user(VERIFY_READ, arg2, sizeof(target_sigset_t), 1)))
8219 return -TARGET_EFAULT;
8220 target_to_host_sigset(&set, p);
8221 unlock_user(p, arg2, 0);
8222 set_ptr = &set;
8223 } else {
8224 how = 0;
8225 set_ptr = NULL;
8226 }
8227 ret = do_sigprocmask(how, set_ptr, &oldset);
8228 if (!is_error(ret) && arg3) {
8229 if (!(p = lock_user(VERIFY_WRITE, arg3, sizeof(target_sigset_t), 0)))
8230 return -TARGET_EFAULT;
8231 host_to_target_sigset(p, &oldset);
8232 unlock_user(p, arg3, sizeof(target_sigset_t));
8233 }
8234 }
8235 return ret;
8236#ifdef TARGET_NR_sigpending
8237 case TARGET_NR_sigpending:
8238 {
8239 sigset_t set;
8240 ret = get_errno(sigpending(&set));
8241 if (!is_error(ret)) {
8242 if (!(p = lock_user(VERIFY_WRITE, arg1, sizeof(target_sigset_t), 0)))
8243 return -TARGET_EFAULT;
8244 host_to_target_old_sigset(p, &set);
8245 unlock_user(p, arg1, sizeof(target_sigset_t));
8246 }
8247 }
8248 return ret;
8249#endif
8250 case TARGET_NR_rt_sigpending:
8251 {
8252 sigset_t set;
8253
8254
8255
8256
8257
8258
8259 if (arg2 > sizeof(target_sigset_t)) {
8260 return -TARGET_EINVAL;
8261 }
8262
8263 ret = get_errno(sigpending(&set));
8264 if (!is_error(ret)) {
8265 if (!(p = lock_user(VERIFY_WRITE, arg1, sizeof(target_sigset_t), 0)))
8266 return -TARGET_EFAULT;
8267 host_to_target_sigset(p, &set);
8268 unlock_user(p, arg1, sizeof(target_sigset_t));
8269 }
8270 }
8271 return ret;
8272#ifdef TARGET_NR_sigsuspend
8273 case TARGET_NR_sigsuspend:
8274 {
8275 TaskState *ts = cpu->opaque;
8276#if defined(TARGET_ALPHA)
8277 abi_ulong mask = arg1;
8278 target_to_host_old_sigset(&ts->sigsuspend_mask, &mask);
8279#else
8280 if (!(p = lock_user(VERIFY_READ, arg1, sizeof(target_sigset_t), 1)))
8281 return -TARGET_EFAULT;
8282 target_to_host_old_sigset(&ts->sigsuspend_mask, p);
8283 unlock_user(p, arg1, 0);
8284#endif
8285 ret = get_errno(safe_rt_sigsuspend(&ts->sigsuspend_mask,
8286 SIGSET_T_SIZE));
8287 if (ret != -TARGET_ERESTARTSYS) {
8288 ts->in_sigsuspend = 1;
8289 }
8290 }
8291 return ret;
8292#endif
8293 case TARGET_NR_rt_sigsuspend:
8294 {
8295 TaskState *ts = cpu->opaque;
8296
8297 if (arg2 != sizeof(target_sigset_t)) {
8298 return -TARGET_EINVAL;
8299 }
8300 if (!(p = lock_user(VERIFY_READ, arg1, sizeof(target_sigset_t), 1)))
8301 return -TARGET_EFAULT;
8302 target_to_host_sigset(&ts->sigsuspend_mask, p);
8303 unlock_user(p, arg1, 0);
8304 ret = get_errno(safe_rt_sigsuspend(&ts->sigsuspend_mask,
8305 SIGSET_T_SIZE));
8306 if (ret != -TARGET_ERESTARTSYS) {
8307 ts->in_sigsuspend = 1;
8308 }
8309 }
8310 return ret;
8311 case TARGET_NR_rt_sigtimedwait:
8312 {
8313 sigset_t set;
8314 struct timespec uts, *puts;
8315 siginfo_t uinfo;
8316
8317 if (arg4 != sizeof(target_sigset_t)) {
8318 return -TARGET_EINVAL;
8319 }
8320
8321 if (!(p = lock_user(VERIFY_READ, arg1, sizeof(target_sigset_t), 1)))
8322 return -TARGET_EFAULT;
8323 target_to_host_sigset(&set, p);
8324 unlock_user(p, arg1, 0);
8325 if (arg3) {
8326 puts = &uts;
8327 target_to_host_timespec(puts, arg3);
8328 } else {
8329 puts = NULL;
8330 }
8331 ret = get_errno(safe_rt_sigtimedwait(&set, &uinfo, puts,
8332 SIGSET_T_SIZE));
8333 if (!is_error(ret)) {
8334 if (arg2) {
8335 p = lock_user(VERIFY_WRITE, arg2, sizeof(target_siginfo_t),
8336 0);
8337 if (!p) {
8338 return -TARGET_EFAULT;
8339 }
8340 host_to_target_siginfo(p, &uinfo);
8341 unlock_user(p, arg2, sizeof(target_siginfo_t));
8342 }
8343 ret = host_to_target_signal(ret);
8344 }
8345 }
8346 return ret;
8347 case TARGET_NR_rt_sigqueueinfo:
8348 {
8349 siginfo_t uinfo;
8350
8351 p = lock_user(VERIFY_READ, arg3, sizeof(target_siginfo_t), 1);
8352 if (!p) {
8353 return -TARGET_EFAULT;
8354 }
8355 target_to_host_siginfo(&uinfo, p);
8356 unlock_user(p, arg3, 0);
8357 ret = get_errno(sys_rt_sigqueueinfo(arg1, arg2, &uinfo));
8358 }
8359 return ret;
8360 case TARGET_NR_rt_tgsigqueueinfo:
8361 {
8362 siginfo_t uinfo;
8363
8364 p = lock_user(VERIFY_READ, arg4, sizeof(target_siginfo_t), 1);
8365 if (!p) {
8366 return -TARGET_EFAULT;
8367 }
8368 target_to_host_siginfo(&uinfo, p);
8369 unlock_user(p, arg4, 0);
8370 ret = get_errno(sys_rt_tgsigqueueinfo(arg1, arg2, arg3, &uinfo));
8371 }
8372 return ret;
8373#ifdef TARGET_NR_sigreturn
8374 case TARGET_NR_sigreturn:
8375 if (block_signals()) {
8376 return -TARGET_ERESTARTSYS;
8377 }
8378 return do_sigreturn(cpu_env);
8379#endif
8380 case TARGET_NR_rt_sigreturn:
8381 if (block_signals()) {
8382 return -TARGET_ERESTARTSYS;
8383 }
8384 return do_rt_sigreturn(cpu_env);
8385 case TARGET_NR_sethostname:
8386 if (!(p = lock_user_string(arg1)))
8387 return -TARGET_EFAULT;
8388 ret = get_errno(sethostname(p, arg2));
8389 unlock_user(p, arg1, 0);
8390 return ret;
8391#ifdef TARGET_NR_setrlimit
8392 case TARGET_NR_setrlimit:
8393 {
8394 int resource = target_to_host_resource(arg1);
8395 struct target_rlimit *target_rlim;
8396 struct rlimit rlim;
8397 if (!lock_user_struct(VERIFY_READ, target_rlim, arg2, 1))
8398 return -TARGET_EFAULT;
8399 rlim.rlim_cur = target_to_host_rlim(target_rlim->rlim_cur);
8400 rlim.rlim_max = target_to_host_rlim(target_rlim->rlim_max);
8401 unlock_user_struct(target_rlim, arg2, 0);
8402
8403
8404
8405
8406
8407
8408
8409
8410 if (resource != RLIMIT_AS &&
8411 resource != RLIMIT_DATA &&
8412 resource != RLIMIT_STACK) {
8413 return get_errno(setrlimit(resource, &rlim));
8414 } else {
8415 return 0;
8416 }
8417 }
8418#endif
8419#ifdef TARGET_NR_getrlimit
8420 case TARGET_NR_getrlimit:
8421 {
8422 int resource = target_to_host_resource(arg1);
8423 struct target_rlimit *target_rlim;
8424 struct rlimit rlim;
8425
8426 ret = get_errno(getrlimit(resource, &rlim));
8427 if (!is_error(ret)) {
8428 if (!lock_user_struct(VERIFY_WRITE, target_rlim, arg2, 0))
8429 return -TARGET_EFAULT;
8430 target_rlim->rlim_cur = host_to_target_rlim(rlim.rlim_cur);
8431 target_rlim->rlim_max = host_to_target_rlim(rlim.rlim_max);
8432 unlock_user_struct(target_rlim, arg2, 1);
8433 }
8434 }
8435 return ret;
8436#endif
8437 case TARGET_NR_getrusage:
8438 {
8439 struct rusage rusage;
8440 ret = get_errno(getrusage(arg1, &rusage));
8441 if (!is_error(ret)) {
8442 ret = host_to_target_rusage(arg2, &rusage);
8443 }
8444 }
8445 return ret;
8446 case TARGET_NR_gettimeofday:
8447 {
8448 struct timeval tv;
8449 ret = get_errno(gettimeofday(&tv, NULL));
8450 if (!is_error(ret)) {
8451 if (copy_to_user_timeval(arg1, &tv))
8452 return -TARGET_EFAULT;
8453 }
8454 }
8455 return ret;
8456 case TARGET_NR_settimeofday:
8457 {
8458 struct timeval tv, *ptv = NULL;
8459 struct timezone tz, *ptz = NULL;
8460
8461 if (arg1) {
8462 if (copy_from_user_timeval(&tv, arg1)) {
8463 return -TARGET_EFAULT;
8464 }
8465 ptv = &tv;
8466 }
8467
8468 if (arg2) {
8469 if (copy_from_user_timezone(&tz, arg2)) {
8470 return -TARGET_EFAULT;
8471 }
8472 ptz = &tz;
8473 }
8474
8475 return get_errno(settimeofday(ptv, ptz));
8476 }
8477#if defined(TARGET_NR_select)
8478 case TARGET_NR_select:
8479#if defined(TARGET_WANT_NI_OLD_SELECT)
8480
8481
8482
8483 ret = -TARGET_ENOSYS;
8484#elif defined(TARGET_WANT_OLD_SYS_SELECT)
8485 ret = do_old_select(arg1);
8486#else
8487 ret = do_select(arg1, arg2, arg3, arg4, arg5);
8488#endif
8489 return ret;
8490#endif
8491#ifdef TARGET_NR_pselect6
8492 case TARGET_NR_pselect6:
8493 {
8494 abi_long rfd_addr, wfd_addr, efd_addr, n, ts_addr;
8495 fd_set rfds, wfds, efds;
8496 fd_set *rfds_ptr, *wfds_ptr, *efds_ptr;
8497 struct timespec ts, *ts_ptr;
8498
8499
8500
8501
8502
8503 sigset_t set;
8504 struct {
8505 sigset_t *set;
8506 size_t size;
8507 } sig, *sig_ptr;
8508
8509 abi_ulong arg_sigset, arg_sigsize, *arg7;
8510 target_sigset_t *target_sigset;
8511
8512 n = arg1;
8513 rfd_addr = arg2;
8514 wfd_addr = arg3;
8515 efd_addr = arg4;
8516 ts_addr = arg5;
8517
8518 ret = copy_from_user_fdset_ptr(&rfds, &rfds_ptr, rfd_addr, n);
8519 if (ret) {
8520 return ret;
8521 }
8522 ret = copy_from_user_fdset_ptr(&wfds, &wfds_ptr, wfd_addr, n);
8523 if (ret) {
8524 return ret;
8525 }
8526 ret = copy_from_user_fdset_ptr(&efds, &efds_ptr, efd_addr, n);
8527 if (ret) {
8528 return ret;
8529 }
8530
8531
8532
8533
8534
8535 if (ts_addr) {
8536 if (target_to_host_timespec(&ts, ts_addr)) {
8537 return -TARGET_EFAULT;
8538 }
8539 ts_ptr = &ts;
8540 } else {
8541 ts_ptr = NULL;
8542 }
8543
8544
8545 if (arg6) {
8546 sig_ptr = &sig;
8547 sig.size = SIGSET_T_SIZE;
8548
8549 arg7 = lock_user(VERIFY_READ, arg6, sizeof(*arg7) * 2, 1);
8550 if (!arg7) {
8551 return -TARGET_EFAULT;
8552 }
8553 arg_sigset = tswapal(arg7[0]);
8554 arg_sigsize = tswapal(arg7[1]);
8555 unlock_user(arg7, arg6, 0);
8556
8557 if (arg_sigset) {
8558 sig.set = &set;
8559 if (arg_sigsize != sizeof(*target_sigset)) {
8560
8561 return -TARGET_EINVAL;
8562 }
8563 target_sigset = lock_user(VERIFY_READ, arg_sigset,
8564 sizeof(*target_sigset), 1);
8565 if (!target_sigset) {
8566 return -TARGET_EFAULT;
8567 }
8568 target_to_host_sigset(&set, target_sigset);
8569 unlock_user(target_sigset, arg_sigset, 0);
8570 } else {
8571 sig.set = NULL;
8572 }
8573 } else {
8574 sig_ptr = NULL;
8575 }
8576
8577 ret = get_errno(safe_pselect6(n, rfds_ptr, wfds_ptr, efds_ptr,
8578 ts_ptr, sig_ptr));
8579
8580 if (!is_error(ret)) {
8581 if (rfd_addr && copy_to_user_fdset(rfd_addr, &rfds, n))
8582 return -TARGET_EFAULT;
8583 if (wfd_addr && copy_to_user_fdset(wfd_addr, &wfds, n))
8584 return -TARGET_EFAULT;
8585 if (efd_addr && copy_to_user_fdset(efd_addr, &efds, n))
8586 return -TARGET_EFAULT;
8587
8588 if (ts_addr && host_to_target_timespec(ts_addr, &ts))
8589 return -TARGET_EFAULT;
8590 }
8591 }
8592 return ret;
8593#endif
8594#ifdef TARGET_NR_symlink
8595 case TARGET_NR_symlink:
8596 {
8597 void *p2;
8598 p = lock_user_string(arg1);
8599 p2 = lock_user_string(arg2);
8600 if (!p || !p2)
8601 ret = -TARGET_EFAULT;
8602 else
8603 ret = get_errno(symlink(p, p2));
8604 unlock_user(p2, arg2, 0);
8605 unlock_user(p, arg1, 0);
8606 }
8607 return ret;
8608#endif
8609#if defined(TARGET_NR_symlinkat)
8610 case TARGET_NR_symlinkat:
8611 {
8612 void *p2;
8613 p = lock_user_string(arg1);
8614 p2 = lock_user_string(arg3);
8615 if (!p || !p2)
8616 ret = -TARGET_EFAULT;
8617 else
8618 ret = get_errno(symlinkat(p, arg2, p2));
8619 unlock_user(p2, arg3, 0);
8620 unlock_user(p, arg1, 0);
8621 }
8622 return ret;
8623#endif
8624#ifdef TARGET_NR_readlink
8625 case TARGET_NR_readlink:
8626 {
8627 void *p2;
8628 p = lock_user_string(arg1);
8629 p2 = lock_user(VERIFY_WRITE, arg2, arg3, 0);
8630 if (!p || !p2) {
8631 ret = -TARGET_EFAULT;
8632 } else if (!arg3) {
8633
8634 ret = -TARGET_EINVAL;
8635 } else if (is_proc_myself((const char *)p, "exe")) {
8636 char real[PATH_MAX], *temp;
8637 temp = realpath(exec_path, real);
8638
8639 if (temp == NULL) {
8640 ret = get_errno(-1);
8641 } else {
8642
8643
8644 ret = MIN(strlen(real), arg3);
8645
8646 memcpy(p2, real, ret);
8647 }
8648 } else {
8649 ret = get_errno(readlink(path(p), p2, arg3));
8650 }
8651 unlock_user(p2, arg2, ret);
8652 unlock_user(p, arg1, 0);
8653 }
8654 return ret;
8655#endif
8656#if defined(TARGET_NR_readlinkat)
8657 case TARGET_NR_readlinkat:
8658 {
8659 void *p2;
8660 p = lock_user_string(arg2);
8661 p2 = lock_user(VERIFY_WRITE, arg3, arg4, 0);
8662 if (!p || !p2) {
8663 ret = -TARGET_EFAULT;
8664 } else if (is_proc_myself((const char *)p, "exe")) {
8665 char real[PATH_MAX], *temp;
8666 temp = realpath(exec_path, real);
8667 ret = temp == NULL ? get_errno(-1) : strlen(real) ;
8668 snprintf((char *)p2, arg4, "%s", real);
8669 } else {
8670 ret = get_errno(readlinkat(arg1, path(p), p2, arg4));
8671 }
8672 unlock_user(p2, arg3, ret);
8673 unlock_user(p, arg2, 0);
8674 }
8675 return ret;
8676#endif
8677#ifdef TARGET_NR_swapon
8678 case TARGET_NR_swapon:
8679 if (!(p = lock_user_string(arg1)))
8680 return -TARGET_EFAULT;
8681 ret = get_errno(swapon(p, arg2));
8682 unlock_user(p, arg1, 0);
8683 return ret;
8684#endif
8685 case TARGET_NR_reboot:
8686 if (arg3 == LINUX_REBOOT_CMD_RESTART2) {
8687
8688 p = lock_user_string(arg4);
8689 if (!p) {
8690 return -TARGET_EFAULT;
8691 }
8692 ret = get_errno(reboot(arg1, arg2, arg3, p));
8693 unlock_user(p, arg4, 0);
8694 } else {
8695 ret = get_errno(reboot(arg1, arg2, arg3, NULL));
8696 }
8697 return ret;
8698#ifdef TARGET_NR_mmap
8699 case TARGET_NR_mmap:
8700#if (defined(TARGET_I386) && defined(TARGET_ABI32)) || \
8701 (defined(TARGET_ARM) && defined(TARGET_ABI32)) || \
8702 defined(TARGET_M68K) || defined(TARGET_CRIS) || defined(TARGET_MICROBLAZE) \
8703 || defined(TARGET_S390X)
8704 {
8705 abi_ulong *v;
8706 abi_ulong v1, v2, v3, v4, v5, v6;
8707 if (!(v = lock_user(VERIFY_READ, arg1, 6 * sizeof(abi_ulong), 1)))
8708 return -TARGET_EFAULT;
8709 v1 = tswapal(v[0]);
8710 v2 = tswapal(v[1]);
8711 v3 = tswapal(v[2]);
8712 v4 = tswapal(v[3]);
8713 v5 = tswapal(v[4]);
8714 v6 = tswapal(v[5]);
8715 unlock_user(v, arg1, 0);
8716 ret = get_errno(target_mmap(v1, v2, v3,
8717 target_to_host_bitmask(v4, mmap_flags_tbl),
8718 v5, v6));
8719 }
8720#else
8721 ret = get_errno(target_mmap(arg1, arg2, arg3,
8722 target_to_host_bitmask(arg4, mmap_flags_tbl),
8723 arg5,
8724 arg6));
8725#endif
8726 return ret;
8727#endif
8728#ifdef TARGET_NR_mmap2
8729 case TARGET_NR_mmap2:
8730#ifndef MMAP_SHIFT
8731#define MMAP_SHIFT 12
8732#endif
8733 ret = target_mmap(arg1, arg2, arg3,
8734 target_to_host_bitmask(arg4, mmap_flags_tbl),
8735 arg5, arg6 << MMAP_SHIFT);
8736 return get_errno(ret);
8737#endif
8738 case TARGET_NR_munmap:
8739 return get_errno(target_munmap(arg1, arg2));
8740 case TARGET_NR_mprotect:
8741 {
8742 TaskState *ts = cpu->opaque;
8743
8744 if ((arg3 & PROT_GROWSDOWN)
8745 && arg1 >= ts->info->stack_limit
8746 && arg1 <= ts->info->start_stack) {
8747 arg3 &= ~PROT_GROWSDOWN;
8748 arg2 = arg2 + arg1 - ts->info->stack_limit;
8749 arg1 = ts->info->stack_limit;
8750 }
8751 }
8752 return get_errno(target_mprotect(arg1, arg2, arg3));
8753#ifdef TARGET_NR_mremap
8754 case TARGET_NR_mremap:
8755 return get_errno(target_mremap(arg1, arg2, arg3, arg4, arg5));
8756#endif
8757
8758#ifdef TARGET_NR_msync
8759 case TARGET_NR_msync:
8760 return get_errno(msync(g2h(arg1), arg2, arg3));
8761#endif
8762#ifdef TARGET_NR_mlock
8763 case TARGET_NR_mlock:
8764 return get_errno(mlock(g2h(arg1), arg2));
8765#endif
8766#ifdef TARGET_NR_munlock
8767 case TARGET_NR_munlock:
8768 return get_errno(munlock(g2h(arg1), arg2));
8769#endif
8770#ifdef TARGET_NR_mlockall
8771 case TARGET_NR_mlockall:
8772 return get_errno(mlockall(target_to_host_mlockall_arg(arg1)));
8773#endif
8774#ifdef TARGET_NR_munlockall
8775 case TARGET_NR_munlockall:
8776 return get_errno(munlockall());
8777#endif
8778#ifdef TARGET_NR_truncate
8779 case TARGET_NR_truncate:
8780 if (!(p = lock_user_string(arg1)))
8781 return -TARGET_EFAULT;
8782 ret = get_errno(truncate(p, arg2));
8783 unlock_user(p, arg1, 0);
8784 return ret;
8785#endif
8786#ifdef TARGET_NR_ftruncate
8787 case TARGET_NR_ftruncate:
8788 return get_errno(ftruncate(arg1, arg2));
8789#endif
8790 case TARGET_NR_fchmod:
8791 return get_errno(fchmod(arg1, arg2));
8792#if defined(TARGET_NR_fchmodat)
8793 case TARGET_NR_fchmodat:
8794 if (!(p = lock_user_string(arg2)))
8795 return -TARGET_EFAULT;
8796 ret = get_errno(fchmodat(arg1, p, arg3, 0));
8797 unlock_user(p, arg2, 0);
8798 return ret;
8799#endif
8800 case TARGET_NR_getpriority:
8801
8802
8803 errno = 0;
8804 ret = getpriority(arg1, arg2);
8805 if (ret == -1 && errno != 0) {
8806 return -host_to_target_errno(errno);
8807 }
8808#ifdef TARGET_ALPHA
8809
8810 ((CPUAlphaState *)cpu_env)->ir[IR_V0] = 0;
8811#else
8812
8813 ret = 20 - ret;
8814#endif
8815 return ret;
8816 case TARGET_NR_setpriority:
8817 return get_errno(setpriority(arg1, arg2, arg3));
8818#ifdef TARGET_NR_statfs
8819 case TARGET_NR_statfs:
8820 if (!(p = lock_user_string(arg1))) {
8821 return -TARGET_EFAULT;
8822 }
8823 ret = get_errno(statfs(path(p), &stfs));
8824 unlock_user(p, arg1, 0);
8825 convert_statfs:
8826 if (!is_error(ret)) {
8827 struct target_statfs *target_stfs;
8828
8829 if (!lock_user_struct(VERIFY_WRITE, target_stfs, arg2, 0))
8830 return -TARGET_EFAULT;
8831 __put_user(stfs.f_type, &target_stfs->f_type);
8832 __put_user(stfs.f_bsize, &target_stfs->f_bsize);
8833 __put_user(stfs.f_blocks, &target_stfs->f_blocks);
8834 __put_user(stfs.f_bfree, &target_stfs->f_bfree);
8835 __put_user(stfs.f_bavail, &target_stfs->f_bavail);
8836 __put_user(stfs.f_files, &target_stfs->f_files);
8837 __put_user(stfs.f_ffree, &target_stfs->f_ffree);
8838 __put_user(stfs.f_fsid.__val[0], &target_stfs->f_fsid.val[0]);
8839 __put_user(stfs.f_fsid.__val[1], &target_stfs->f_fsid.val[1]);
8840 __put_user(stfs.f_namelen, &target_stfs->f_namelen);
8841 __put_user(stfs.f_frsize, &target_stfs->f_frsize);
8842#ifdef _STATFS_F_FLAGS
8843 __put_user(stfs.f_flags, &target_stfs->f_flags);
8844#else
8845 __put_user(0, &target_stfs->f_flags);
8846#endif
8847 memset(target_stfs->f_spare, 0, sizeof(target_stfs->f_spare));
8848 unlock_user_struct(target_stfs, arg2, 1);
8849 }
8850 return ret;
8851#endif
8852#ifdef TARGET_NR_fstatfs
8853 case TARGET_NR_fstatfs:
8854 ret = get_errno(fstatfs(arg1, &stfs));
8855 goto convert_statfs;
8856#endif
8857#ifdef TARGET_NR_statfs64
8858 case TARGET_NR_statfs64:
8859 if (!(p = lock_user_string(arg1))) {
8860 return -TARGET_EFAULT;
8861 }
8862 ret = get_errno(statfs(path(p), &stfs));
8863 unlock_user(p, arg1, 0);
8864 convert_statfs64:
8865 if (!is_error(ret)) {
8866 struct target_statfs64 *target_stfs;
8867
8868 if (!lock_user_struct(VERIFY_WRITE, target_stfs, arg3, 0))
8869 return -TARGET_EFAULT;
8870 __put_user(stfs.f_type, &target_stfs->f_type);
8871 __put_user(stfs.f_bsize, &target_stfs->f_bsize);
8872 __put_user(stfs.f_blocks, &target_stfs->f_blocks);
8873 __put_user(stfs.f_bfree, &target_stfs->f_bfree);
8874 __put_user(stfs.f_bavail, &target_stfs->f_bavail);
8875 __put_user(stfs.f_files, &target_stfs->f_files);
8876 __put_user(stfs.f_ffree, &target_stfs->f_ffree);
8877 __put_user(stfs.f_fsid.__val[0], &target_stfs->f_fsid.val[0]);
8878 __put_user(stfs.f_fsid.__val[1], &target_stfs->f_fsid.val[1]);
8879 __put_user(stfs.f_namelen, &target_stfs->f_namelen);
8880 __put_user(stfs.f_frsize, &target_stfs->f_frsize);
8881 memset(target_stfs->f_spare, 0, sizeof(target_stfs->f_spare));
8882 unlock_user_struct(target_stfs, arg3, 1);
8883 }
8884 return ret;
8885 case TARGET_NR_fstatfs64:
8886 ret = get_errno(fstatfs(arg1, &stfs));
8887 goto convert_statfs64;
8888#endif
8889#ifdef TARGET_NR_socketcall
8890 case TARGET_NR_socketcall:
8891 return do_socketcall(arg1, arg2);
8892#endif
8893#ifdef TARGET_NR_accept
8894 case TARGET_NR_accept:
8895 return do_accept4(arg1, arg2, arg3, 0);
8896#endif
8897#ifdef TARGET_NR_accept4
8898 case TARGET_NR_accept4:
8899 return do_accept4(arg1, arg2, arg3, arg4);
8900#endif
8901#ifdef TARGET_NR_bind
8902 case TARGET_NR_bind:
8903 return do_bind(arg1, arg2, arg3);
8904#endif
8905#ifdef TARGET_NR_connect
8906 case TARGET_NR_connect:
8907 return do_connect(arg1, arg2, arg3);
8908#endif
8909#ifdef TARGET_NR_getpeername
8910 case TARGET_NR_getpeername:
8911 return do_getpeername(arg1, arg2, arg3);
8912#endif
8913#ifdef TARGET_NR_getsockname
8914 case TARGET_NR_getsockname:
8915 return do_getsockname(arg1, arg2, arg3);
8916#endif
8917#ifdef TARGET_NR_getsockopt
8918 case TARGET_NR_getsockopt:
8919 return do_getsockopt(arg1, arg2, arg3, arg4, arg5);
8920#endif
8921#ifdef TARGET_NR_listen
8922 case TARGET_NR_listen:
8923 return get_errno(listen(arg1, arg2));
8924#endif
8925#ifdef TARGET_NR_recv
8926 case TARGET_NR_recv:
8927 return do_recvfrom(arg1, arg2, arg3, arg4, 0, 0);
8928#endif
8929#ifdef TARGET_NR_recvfrom
8930 case TARGET_NR_recvfrom:
8931 return do_recvfrom(arg1, arg2, arg3, arg4, arg5, arg6);
8932#endif
8933#ifdef TARGET_NR_recvmsg
8934 case TARGET_NR_recvmsg:
8935 return do_sendrecvmsg(arg1, arg2, arg3, 0);
8936#endif
8937#ifdef TARGET_NR_send
8938 case TARGET_NR_send:
8939 return do_sendto(arg1, arg2, arg3, arg4, 0, 0);
8940#endif
8941#ifdef TARGET_NR_sendmsg
8942 case TARGET_NR_sendmsg:
8943 return do_sendrecvmsg(arg1, arg2, arg3, 1);
8944#endif
8945#ifdef TARGET_NR_sendmmsg
8946 case TARGET_NR_sendmmsg:
8947 return do_sendrecvmmsg(arg1, arg2, arg3, arg4, 1);
8948 case TARGET_NR_recvmmsg:
8949 return do_sendrecvmmsg(arg1, arg2, arg3, arg4, 0);
8950#endif
8951#ifdef TARGET_NR_sendto
8952 case TARGET_NR_sendto:
8953 return do_sendto(arg1, arg2, arg3, arg4, arg5, arg6);
8954#endif
8955#ifdef TARGET_NR_shutdown
8956 case TARGET_NR_shutdown:
8957 return get_errno(shutdown(arg1, arg2));
8958#endif
8959#if defined(TARGET_NR_getrandom) && defined(__NR_getrandom)
8960 case TARGET_NR_getrandom:
8961 p = lock_user(VERIFY_WRITE, arg1, arg2, 0);
8962 if (!p) {
8963 return -TARGET_EFAULT;
8964 }
8965 ret = get_errno(getrandom(p, arg2, arg3));
8966 unlock_user(p, arg1, ret);
8967 return ret;
8968#endif
8969#ifdef TARGET_NR_socket
8970 case TARGET_NR_socket:
8971 return do_socket(arg1, arg2, arg3);
8972#endif
8973#ifdef TARGET_NR_socketpair
8974 case TARGET_NR_socketpair:
8975 return do_socketpair(arg1, arg2, arg3, arg4);
8976#endif
8977#ifdef TARGET_NR_setsockopt
8978 case TARGET_NR_setsockopt:
8979 return do_setsockopt(arg1, arg2, arg3, arg4, (socklen_t) arg5);
8980#endif
8981#if defined(TARGET_NR_syslog)
8982 case TARGET_NR_syslog:
8983 {
8984 int len = arg2;
8985
8986 switch (arg1) {
8987 case TARGET_SYSLOG_ACTION_CLOSE:
8988 case TARGET_SYSLOG_ACTION_OPEN:
8989 case TARGET_SYSLOG_ACTION_CLEAR:
8990 case TARGET_SYSLOG_ACTION_CONSOLE_OFF:
8991 case TARGET_SYSLOG_ACTION_CONSOLE_ON:
8992 case TARGET_SYSLOG_ACTION_CONSOLE_LEVEL:
8993 case TARGET_SYSLOG_ACTION_SIZE_UNREAD:
8994 case TARGET_SYSLOG_ACTION_SIZE_BUFFER:
8995 return get_errno(sys_syslog((int)arg1, NULL, (int)arg3));
8996 case TARGET_SYSLOG_ACTION_READ:
8997 case TARGET_SYSLOG_ACTION_READ_CLEAR:
8998 case TARGET_SYSLOG_ACTION_READ_ALL:
8999 {
9000 if (len < 0) {
9001 return -TARGET_EINVAL;
9002 }
9003 if (len == 0) {
9004 return 0;
9005 }
9006 p = lock_user(VERIFY_WRITE, arg2, arg3, 0);
9007 if (!p) {
9008 return -TARGET_EFAULT;
9009 }
9010 ret = get_errno(sys_syslog((int)arg1, p, (int)arg3));
9011 unlock_user(p, arg2, arg3);
9012 }
9013 return ret;
9014 default:
9015 return -TARGET_EINVAL;
9016 }
9017 }
9018 break;
9019#endif
9020 case TARGET_NR_setitimer:
9021 {
9022 struct itimerval value, ovalue, *pvalue;
9023
9024 if (arg2) {
9025 pvalue = &value;
9026 if (copy_from_user_timeval(&pvalue->it_interval, arg2)
9027 || copy_from_user_timeval(&pvalue->it_value,
9028 arg2 + sizeof(struct target_timeval)))
9029 return -TARGET_EFAULT;
9030 } else {
9031 pvalue = NULL;
9032 }
9033 ret = get_errno(setitimer(arg1, pvalue, &ovalue));
9034 if (!is_error(ret) && arg3) {
9035 if (copy_to_user_timeval(arg3,
9036 &ovalue.it_interval)
9037 || copy_to_user_timeval(arg3 + sizeof(struct target_timeval),
9038 &ovalue.it_value))
9039 return -TARGET_EFAULT;
9040 }
9041 }
9042 return ret;
9043 case TARGET_NR_getitimer:
9044 {
9045 struct itimerval value;
9046
9047 ret = get_errno(getitimer(arg1, &value));
9048 if (!is_error(ret) && arg2) {
9049 if (copy_to_user_timeval(arg2,
9050 &value.it_interval)
9051 || copy_to_user_timeval(arg2 + sizeof(struct target_timeval),
9052 &value.it_value))
9053 return -TARGET_EFAULT;
9054 }
9055 }
9056 return ret;
9057#ifdef TARGET_NR_stat
9058 case TARGET_NR_stat:
9059 if (!(p = lock_user_string(arg1))) {
9060 return -TARGET_EFAULT;
9061 }
9062 ret = get_errno(stat(path(p), &st));
9063 unlock_user(p, arg1, 0);
9064 goto do_stat;
9065#endif
9066#ifdef TARGET_NR_lstat
9067 case TARGET_NR_lstat:
9068 if (!(p = lock_user_string(arg1))) {
9069 return -TARGET_EFAULT;
9070 }
9071 ret = get_errno(lstat(path(p), &st));
9072 unlock_user(p, arg1, 0);
9073 goto do_stat;
9074#endif
9075#ifdef TARGET_NR_fstat
9076 case TARGET_NR_fstat:
9077 {
9078 ret = get_errno(fstat(arg1, &st));
9079#if defined(TARGET_NR_stat) || defined(TARGET_NR_lstat)
9080 do_stat:
9081#endif
9082 if (!is_error(ret)) {
9083 struct target_stat *target_st;
9084
9085 if (!lock_user_struct(VERIFY_WRITE, target_st, arg2, 0))
9086 return -TARGET_EFAULT;
9087 memset(target_st, 0, sizeof(*target_st));
9088 __put_user(st.st_dev, &target_st->st_dev);
9089 __put_user(st.st_ino, &target_st->st_ino);
9090 __put_user(st.st_mode, &target_st->st_mode);
9091 __put_user(st.st_uid, &target_st->st_uid);
9092 __put_user(st.st_gid, &target_st->st_gid);
9093 __put_user(st.st_nlink, &target_st->st_nlink);
9094 __put_user(st.st_rdev, &target_st->st_rdev);
9095 __put_user(st.st_size, &target_st->st_size);
9096 __put_user(st.st_blksize, &target_st->st_blksize);
9097 __put_user(st.st_blocks, &target_st->st_blocks);
9098 __put_user(st.st_atime, &target_st->target_st_atime);
9099 __put_user(st.st_mtime, &target_st->target_st_mtime);
9100 __put_user(st.st_ctime, &target_st->target_st_ctime);
9101#if (_POSIX_C_SOURCE >= 200809L || _XOPEN_SOURCE >= 700) && \
9102 defined(TARGET_STAT_HAVE_NSEC)
9103 __put_user(st.st_atim.tv_nsec,
9104 &target_st->target_st_atime_nsec);
9105 __put_user(st.st_mtim.tv_nsec,
9106 &target_st->target_st_mtime_nsec);
9107 __put_user(st.st_ctim.tv_nsec,
9108 &target_st->target_st_ctime_nsec);
9109#endif
9110 unlock_user_struct(target_st, arg2, 1);
9111 }
9112 }
9113 return ret;
9114#endif
9115 case TARGET_NR_vhangup:
9116 return get_errno(vhangup());
9117#ifdef TARGET_NR_syscall
9118 case TARGET_NR_syscall:
9119 return do_syscall(cpu_env, arg1 & 0xffff, arg2, arg3, arg4, arg5,
9120 arg6, arg7, arg8, 0);
9121#endif
9122 case TARGET_NR_wait4:
9123 {
9124 int status;
9125 abi_long status_ptr = arg2;
9126 struct rusage rusage, *rusage_ptr;
9127 abi_ulong target_rusage = arg4;
9128 abi_long rusage_err;
9129 if (target_rusage)
9130 rusage_ptr = &rusage;
9131 else
9132 rusage_ptr = NULL;
9133 ret = get_errno(safe_wait4(arg1, &status, arg3, rusage_ptr));
9134 if (!is_error(ret)) {
9135 if (status_ptr && ret) {
9136 status = host_to_target_waitstatus(status);
9137 if (put_user_s32(status, status_ptr))
9138 return -TARGET_EFAULT;
9139 }
9140 if (target_rusage) {
9141 rusage_err = host_to_target_rusage(target_rusage, &rusage);
9142 if (rusage_err) {
9143 ret = rusage_err;
9144 }
9145 }
9146 }
9147 }
9148 return ret;
9149#ifdef TARGET_NR_swapoff
9150 case TARGET_NR_swapoff:
9151 if (!(p = lock_user_string(arg1)))
9152 return -TARGET_EFAULT;
9153 ret = get_errno(swapoff(p));
9154 unlock_user(p, arg1, 0);
9155 return ret;
9156#endif
9157 case TARGET_NR_sysinfo:
9158 {
9159 struct target_sysinfo *target_value;
9160 struct sysinfo value;
9161 ret = get_errno(sysinfo(&value));
9162 if (!is_error(ret) && arg1)
9163 {
9164 if (!lock_user_struct(VERIFY_WRITE, target_value, arg1, 0))
9165 return -TARGET_EFAULT;
9166 __put_user(value.uptime, &target_value->uptime);
9167 __put_user(value.loads[0], &target_value->loads[0]);
9168 __put_user(value.loads[1], &target_value->loads[1]);
9169 __put_user(value.loads[2], &target_value->loads[2]);
9170 __put_user(value.totalram, &target_value->totalram);
9171 __put_user(value.freeram, &target_value->freeram);
9172 __put_user(value.sharedram, &target_value->sharedram);
9173 __put_user(value.bufferram, &target_value->bufferram);
9174 __put_user(value.totalswap, &target_value->totalswap);
9175 __put_user(value.freeswap, &target_value->freeswap);
9176 __put_user(value.procs, &target_value->procs);
9177 __put_user(value.totalhigh, &target_value->totalhigh);
9178 __put_user(value.freehigh, &target_value->freehigh);
9179 __put_user(value.mem_unit, &target_value->mem_unit);
9180 unlock_user_struct(target_value, arg1, 1);
9181 }
9182 }
9183 return ret;
9184#ifdef TARGET_NR_ipc
9185 case TARGET_NR_ipc:
9186 return do_ipc(cpu_env, arg1, arg2, arg3, arg4, arg5, arg6);
9187#endif
9188#ifdef TARGET_NR_semget
9189 case TARGET_NR_semget:
9190 return get_errno(semget(arg1, arg2, arg3));
9191#endif
9192#ifdef TARGET_NR_semop
9193 case TARGET_NR_semop:
9194 return do_semop(arg1, arg2, arg3);
9195#endif
9196#ifdef TARGET_NR_semctl
9197 case TARGET_NR_semctl:
9198 return do_semctl(arg1, arg2, arg3, arg4);
9199#endif
9200#ifdef TARGET_NR_msgctl
9201 case TARGET_NR_msgctl:
9202 return do_msgctl(arg1, arg2, arg3);
9203#endif
9204#ifdef TARGET_NR_msgget
9205 case TARGET_NR_msgget:
9206 return get_errno(msgget(arg1, arg2));
9207#endif
9208#ifdef TARGET_NR_msgrcv
9209 case TARGET_NR_msgrcv:
9210 return do_msgrcv(arg1, arg2, arg3, arg4, arg5);
9211#endif
9212#ifdef TARGET_NR_msgsnd
9213 case TARGET_NR_msgsnd:
9214 return do_msgsnd(arg1, arg2, arg3, arg4);
9215#endif
9216#ifdef TARGET_NR_shmget
9217 case TARGET_NR_shmget:
9218 return get_errno(shmget(arg1, arg2, arg3));
9219#endif
9220#ifdef TARGET_NR_shmctl
9221 case TARGET_NR_shmctl:
9222 return do_shmctl(arg1, arg2, arg3);
9223#endif
9224#ifdef TARGET_NR_shmat
9225 case TARGET_NR_shmat:
9226 return do_shmat(cpu_env, arg1, arg2, arg3);
9227#endif
9228#ifdef TARGET_NR_shmdt
9229 case TARGET_NR_shmdt:
9230 return do_shmdt(arg1);
9231#endif
9232 case TARGET_NR_fsync:
9233 return get_errno(fsync(arg1));
9234 case TARGET_NR_clone:
9235
9236
9237
9238
9239
9240
9241#if defined(TARGET_MICROBLAZE)
9242 ret = get_errno(do_fork(cpu_env, arg1, arg2, arg4, arg6, arg5));
9243#elif defined(TARGET_CLONE_BACKWARDS)
9244 ret = get_errno(do_fork(cpu_env, arg1, arg2, arg3, arg4, arg5));
9245#elif defined(TARGET_CLONE_BACKWARDS2)
9246 ret = get_errno(do_fork(cpu_env, arg2, arg1, arg3, arg5, arg4));
9247#else
9248 ret = get_errno(do_fork(cpu_env, arg1, arg2, arg3, arg5, arg4));
9249#endif
9250 return ret;
9251#ifdef __NR_exit_group
9252
9253 case TARGET_NR_exit_group:
9254 preexit_cleanup(cpu_env, arg1);
9255 return get_errno(exit_group(arg1));
9256#endif
9257 case TARGET_NR_setdomainname:
9258 if (!(p = lock_user_string(arg1)))
9259 return -TARGET_EFAULT;
9260 ret = get_errno(setdomainname(p, arg2));
9261 unlock_user(p, arg1, 0);
9262 return ret;
9263 case TARGET_NR_uname:
9264
9265 {
9266 struct new_utsname * buf;
9267
9268 if (!lock_user_struct(VERIFY_WRITE, buf, arg1, 0))
9269 return -TARGET_EFAULT;
9270 ret = get_errno(sys_uname(buf));
9271 if (!is_error(ret)) {
9272
9273
9274 g_strlcpy(buf->machine, cpu_to_uname_machine(cpu_env),
9275 sizeof(buf->machine));
9276
9277 if (qemu_uname_release && *qemu_uname_release) {
9278 g_strlcpy(buf->release, qemu_uname_release,
9279 sizeof(buf->release));
9280 }
9281 }
9282 unlock_user_struct(buf, arg1, 1);
9283 }
9284 return ret;
9285#ifdef TARGET_I386
9286 case TARGET_NR_modify_ldt:
9287 return do_modify_ldt(cpu_env, arg1, arg2, arg3);
9288#if !defined(TARGET_X86_64)
9289 case TARGET_NR_vm86:
9290 return do_vm86(cpu_env, arg1, arg2);
9291#endif
9292#endif
9293 case TARGET_NR_adjtimex:
9294 {
9295 struct timex host_buf;
9296
9297 if (target_to_host_timex(&host_buf, arg1) != 0) {
9298 return -TARGET_EFAULT;
9299 }
9300 ret = get_errno(adjtimex(&host_buf));
9301 if (!is_error(ret)) {
9302 if (host_to_target_timex(arg1, &host_buf) != 0) {
9303 return -TARGET_EFAULT;
9304 }
9305 }
9306 }
9307 return ret;
9308#if defined(TARGET_NR_clock_adjtime) && defined(CONFIG_CLOCK_ADJTIME)
9309 case TARGET_NR_clock_adjtime:
9310 {
9311 struct timex htx, *phtx = &htx;
9312
9313 if (target_to_host_timex(phtx, arg2) != 0) {
9314 return -TARGET_EFAULT;
9315 }
9316 ret = get_errno(clock_adjtime(arg1, phtx));
9317 if (!is_error(ret) && phtx) {
9318 if (host_to_target_timex(arg2, phtx) != 0) {
9319 return -TARGET_EFAULT;
9320 }
9321 }
9322 }
9323 return ret;
9324#endif
9325 case TARGET_NR_getpgid:
9326 return get_errno(getpgid(arg1));
9327 case TARGET_NR_fchdir:
9328 return get_errno(fchdir(arg1));
9329 case TARGET_NR_personality:
9330 return get_errno(personality(arg1));
9331#ifdef TARGET_NR__llseek
9332 case TARGET_NR__llseek:
9333 {
9334 int64_t res;
9335#if !defined(__NR_llseek)
9336 res = lseek(arg1, ((uint64_t)arg2 << 32) | (abi_ulong)arg3, arg5);
9337 if (res == -1) {
9338 ret = get_errno(res);
9339 } else {
9340 ret = 0;
9341 }
9342#else
9343 ret = get_errno(_llseek(arg1, arg2, arg3, &res, arg5));
9344#endif
9345 if ((ret == 0) && put_user_s64(res, arg4)) {
9346 return -TARGET_EFAULT;
9347 }
9348 }
9349 return ret;
9350#endif
9351#ifdef TARGET_NR_getdents
9352 case TARGET_NR_getdents:
9353#ifdef EMULATE_GETDENTS_WITH_GETDENTS
9354#if TARGET_ABI_BITS == 32 && HOST_LONG_BITS == 64
9355 {
9356 struct target_dirent *target_dirp;
9357 struct linux_dirent *dirp;
9358 abi_long count = arg3;
9359
9360 dirp = g_try_malloc(count);
9361 if (!dirp) {
9362 return -TARGET_ENOMEM;
9363 }
9364
9365 ret = get_errno(sys_getdents(arg1, dirp, count));
9366 if (!is_error(ret)) {
9367 struct linux_dirent *de;
9368 struct target_dirent *tde;
9369 int len = ret;
9370 int reclen, treclen;
9371 int count1, tnamelen;
9372
9373 count1 = 0;
9374 de = dirp;
9375 if (!(target_dirp = lock_user(VERIFY_WRITE, arg2, count, 0)))
9376 return -TARGET_EFAULT;
9377 tde = target_dirp;
9378 while (len > 0) {
9379 reclen = de->d_reclen;
9380 tnamelen = reclen - offsetof(struct linux_dirent, d_name);
9381 assert(tnamelen >= 0);
9382 treclen = tnamelen + offsetof(struct target_dirent, d_name);
9383 assert(count1 + treclen <= count);
9384 tde->d_reclen = tswap16(treclen);
9385 tde->d_ino = tswapal(de->d_ino);
9386 tde->d_off = tswapal(de->d_off);
9387 memcpy(tde->d_name, de->d_name, tnamelen);
9388 de = (struct linux_dirent *)((char *)de + reclen);
9389 len -= reclen;
9390 tde = (struct target_dirent *)((char *)tde + treclen);
9391 count1 += treclen;
9392 }
9393 ret = count1;
9394 unlock_user(target_dirp, arg2, ret);
9395 }
9396 g_free(dirp);
9397 }
9398#else
9399 {
9400 struct linux_dirent *dirp;
9401 abi_long count = arg3;
9402
9403 if (!(dirp = lock_user(VERIFY_WRITE, arg2, count, 0)))
9404 return -TARGET_EFAULT;
9405 ret = get_errno(sys_getdents(arg1, dirp, count));
9406 if (!is_error(ret)) {
9407 struct linux_dirent *de;
9408 int len = ret;
9409 int reclen;
9410 de = dirp;
9411 while (len > 0) {
9412 reclen = de->d_reclen;
9413 if (reclen > len)
9414 break;
9415 de->d_reclen = tswap16(reclen);
9416 tswapls(&de->d_ino);
9417 tswapls(&de->d_off);
9418 de = (struct linux_dirent *)((char *)de + reclen);
9419 len -= reclen;
9420 }
9421 }
9422 unlock_user(dirp, arg2, ret);
9423 }
9424#endif
9425#else
9426
9427 {
9428 struct linux_dirent64 *dirp;
9429 abi_long count = arg3;
9430
9431 dirp = lock_user(VERIFY_WRITE, arg2, count, 0);
9432 if (!dirp) {
9433 return -TARGET_EFAULT;
9434 }
9435 ret = get_errno(sys_getdents64(arg1, dirp, count));
9436 if (!is_error(ret)) {
9437
9438
9439
9440
9441
9442 struct linux_dirent64 *de;
9443 struct target_dirent *tde;
9444 int len = ret;
9445 int tlen = 0;
9446
9447 de = dirp;
9448 tde = (struct target_dirent *)dirp;
9449 while (len > 0) {
9450 int namelen, treclen;
9451 int reclen = de->d_reclen;
9452 uint64_t ino = de->d_ino;
9453 int64_t off = de->d_off;
9454 uint8_t type = de->d_type;
9455
9456 namelen = strlen(de->d_name);
9457 treclen = offsetof(struct target_dirent, d_name)
9458 + namelen + 2;
9459 treclen = QEMU_ALIGN_UP(treclen, sizeof(abi_long));
9460
9461 memmove(tde->d_name, de->d_name, namelen + 1);
9462 tde->d_ino = tswapal(ino);
9463 tde->d_off = tswapal(off);
9464 tde->d_reclen = tswap16(treclen);
9465
9466
9467
9468 *(((char *)tde) + treclen - 1) = type;
9469
9470 de = (struct linux_dirent64 *)((char *)de + reclen);
9471 tde = (struct target_dirent *)((char *)tde + treclen);
9472 len -= reclen;
9473 tlen += treclen;
9474 }
9475 ret = tlen;
9476 }
9477 unlock_user(dirp, arg2, ret);
9478 }
9479#endif
9480 return ret;
9481#endif
9482#if defined(TARGET_NR_getdents64) && defined(__NR_getdents64)
9483 case TARGET_NR_getdents64:
9484 {
9485 struct linux_dirent64 *dirp;
9486 abi_long count = arg3;
9487 if (!(dirp = lock_user(VERIFY_WRITE, arg2, count, 0)))
9488 return -TARGET_EFAULT;
9489 ret = get_errno(sys_getdents64(arg1, dirp, count));
9490 if (!is_error(ret)) {
9491 struct linux_dirent64 *de;
9492 int len = ret;
9493 int reclen;
9494 de = dirp;
9495 while (len > 0) {
9496 reclen = de->d_reclen;
9497 if (reclen > len)
9498 break;
9499 de->d_reclen = tswap16(reclen);
9500 tswap64s((uint64_t *)&de->d_ino);
9501 tswap64s((uint64_t *)&de->d_off);
9502 de = (struct linux_dirent64 *)((char *)de + reclen);
9503 len -= reclen;
9504 }
9505 }
9506 unlock_user(dirp, arg2, ret);
9507 }
9508 return ret;
9509#endif
9510#if defined(TARGET_NR__newselect)
9511 case TARGET_NR__newselect:
9512 return do_select(arg1, arg2, arg3, arg4, arg5);
9513#endif
9514#if defined(TARGET_NR_poll) || defined(TARGET_NR_ppoll)
9515# ifdef TARGET_NR_poll
9516 case TARGET_NR_poll:
9517# endif
9518# ifdef TARGET_NR_ppoll
9519 case TARGET_NR_ppoll:
9520# endif
9521 {
9522 struct target_pollfd *target_pfd;
9523 unsigned int nfds = arg2;
9524 struct pollfd *pfd;
9525 unsigned int i;
9526
9527 pfd = NULL;
9528 target_pfd = NULL;
9529 if (nfds) {
9530 if (nfds > (INT_MAX / sizeof(struct target_pollfd))) {
9531 return -TARGET_EINVAL;
9532 }
9533
9534 target_pfd = lock_user(VERIFY_WRITE, arg1,
9535 sizeof(struct target_pollfd) * nfds, 1);
9536 if (!target_pfd) {
9537 return -TARGET_EFAULT;
9538 }
9539
9540 pfd = alloca(sizeof(struct pollfd) * nfds);
9541 for (i = 0; i < nfds; i++) {
9542 pfd[i].fd = tswap32(target_pfd[i].fd);
9543 pfd[i].events = tswap16(target_pfd[i].events);
9544 }
9545 }
9546
9547 switch (num) {
9548# ifdef TARGET_NR_ppoll
9549 case TARGET_NR_ppoll:
9550 {
9551 struct timespec _timeout_ts, *timeout_ts = &_timeout_ts;
9552 target_sigset_t *target_set;
9553 sigset_t _set, *set = &_set;
9554
9555 if (arg3) {
9556 if (target_to_host_timespec(timeout_ts, arg3)) {
9557 unlock_user(target_pfd, arg1, 0);
9558 return -TARGET_EFAULT;
9559 }
9560 } else {
9561 timeout_ts = NULL;
9562 }
9563
9564 if (arg4) {
9565 if (arg5 != sizeof(target_sigset_t)) {
9566 unlock_user(target_pfd, arg1, 0);
9567 return -TARGET_EINVAL;
9568 }
9569
9570 target_set = lock_user(VERIFY_READ, arg4, sizeof(target_sigset_t), 1);
9571 if (!target_set) {
9572 unlock_user(target_pfd, arg1, 0);
9573 return -TARGET_EFAULT;
9574 }
9575 target_to_host_sigset(set, target_set);
9576 } else {
9577 set = NULL;
9578 }
9579
9580 ret = get_errno(safe_ppoll(pfd, nfds, timeout_ts,
9581 set, SIGSET_T_SIZE));
9582
9583 if (!is_error(ret) && arg3) {
9584 host_to_target_timespec(arg3, timeout_ts);
9585 }
9586 if (arg4) {
9587 unlock_user(target_set, arg4, 0);
9588 }
9589 break;
9590 }
9591# endif
9592# ifdef TARGET_NR_poll
9593 case TARGET_NR_poll:
9594 {
9595 struct timespec ts, *pts;
9596
9597 if (arg3 >= 0) {
9598
9599 ts.tv_sec = arg3 / 1000;
9600 ts.tv_nsec = (arg3 % 1000) * 1000000LL;
9601 pts = &ts;
9602 } else {
9603
9604 pts = NULL;
9605 }
9606 ret = get_errno(safe_ppoll(pfd, nfds, pts, NULL, 0));
9607 break;
9608 }
9609# endif
9610 default:
9611 g_assert_not_reached();
9612 }
9613
9614 if (!is_error(ret)) {
9615 for(i = 0; i < nfds; i++) {
9616 target_pfd[i].revents = tswap16(pfd[i].revents);
9617 }
9618 }
9619 unlock_user(target_pfd, arg1, sizeof(struct target_pollfd) * nfds);
9620 }
9621 return ret;
9622#endif
9623 case TARGET_NR_flock:
9624
9625
9626 return get_errno(safe_flock(arg1, arg2));
9627 case TARGET_NR_readv:
9628 {
9629 struct iovec *vec = lock_iovec(VERIFY_WRITE, arg2, arg3, 0);
9630 if (vec != NULL) {
9631 ret = get_errno(safe_readv(arg1, vec, arg3));
9632 unlock_iovec(vec, arg2, arg3, 1);
9633 } else {
9634 ret = -host_to_target_errno(errno);
9635 }
9636 }
9637 return ret;
9638 case TARGET_NR_writev:
9639 {
9640 struct iovec *vec = lock_iovec(VERIFY_READ, arg2, arg3, 1);
9641 if (vec != NULL) {
9642 ret = get_errno(safe_writev(arg1, vec, arg3));
9643 unlock_iovec(vec, arg2, arg3, 0);
9644 } else {
9645 ret = -host_to_target_errno(errno);
9646 }
9647 }
9648 return ret;
9649#if defined(TARGET_NR_preadv)
9650 case TARGET_NR_preadv:
9651 {
9652 struct iovec *vec = lock_iovec(VERIFY_WRITE, arg2, arg3, 0);
9653 if (vec != NULL) {
9654 unsigned long low, high;
9655
9656 target_to_host_low_high(arg4, arg5, &low, &high);
9657 ret = get_errno(safe_preadv(arg1, vec, arg3, low, high));
9658 unlock_iovec(vec, arg2, arg3, 1);
9659 } else {
9660 ret = -host_to_target_errno(errno);
9661 }
9662 }
9663 return ret;
9664#endif
9665#if defined(TARGET_NR_pwritev)
9666 case TARGET_NR_pwritev:
9667 {
9668 struct iovec *vec = lock_iovec(VERIFY_READ, arg2, arg3, 1);
9669 if (vec != NULL) {
9670 unsigned long low, high;
9671
9672 target_to_host_low_high(arg4, arg5, &low, &high);
9673 ret = get_errno(safe_pwritev(arg1, vec, arg3, low, high));
9674 unlock_iovec(vec, arg2, arg3, 0);
9675 } else {
9676 ret = -host_to_target_errno(errno);
9677 }
9678 }
9679 return ret;
9680#endif
9681 case TARGET_NR_getsid:
9682 return get_errno(getsid(arg1));
9683#if defined(TARGET_NR_fdatasync)
9684 case TARGET_NR_fdatasync:
9685 return get_errno(fdatasync(arg1));
9686#endif
9687#ifdef TARGET_NR__sysctl
9688 case TARGET_NR__sysctl:
9689
9690
9691 return -TARGET_ENOTDIR;
9692#endif
9693 case TARGET_NR_sched_getaffinity:
9694 {
9695 unsigned int mask_size;
9696 unsigned long *mask;
9697
9698
9699
9700
9701
9702 if (arg2 & (sizeof(abi_ulong) - 1)) {
9703 return -TARGET_EINVAL;
9704 }
9705 mask_size = (arg2 + (sizeof(*mask) - 1)) & ~(sizeof(*mask) - 1);
9706
9707 mask = alloca(mask_size);
9708 memset(mask, 0, mask_size);
9709 ret = get_errno(sys_sched_getaffinity(arg1, mask_size, mask));
9710
9711 if (!is_error(ret)) {
9712 if (ret > arg2) {
9713
9714
9715
9716
9717
9718
9719
9720 int numcpus = sysconf(_SC_NPROCESSORS_CONF);
9721 if (numcpus > arg2 * 8) {
9722 return -TARGET_EINVAL;
9723 }
9724 ret = arg2;
9725 }
9726
9727 if (host_to_target_cpu_mask(mask, mask_size, arg3, ret)) {
9728 return -TARGET_EFAULT;
9729 }
9730 }
9731 }
9732 return ret;
9733 case TARGET_NR_sched_setaffinity:
9734 {
9735 unsigned int mask_size;
9736 unsigned long *mask;
9737
9738
9739
9740
9741
9742 if (arg2 & (sizeof(abi_ulong) - 1)) {
9743 return -TARGET_EINVAL;
9744 }
9745 mask_size = (arg2 + (sizeof(*mask) - 1)) & ~(sizeof(*mask) - 1);
9746 mask = alloca(mask_size);
9747
9748 ret = target_to_host_cpu_mask(mask, mask_size, arg3, arg2);
9749 if (ret) {
9750 return ret;
9751 }
9752
9753 return get_errno(sys_sched_setaffinity(arg1, mask_size, mask));
9754 }
9755 case TARGET_NR_getcpu:
9756 {
9757 unsigned cpu, node;
9758 ret = get_errno(sys_getcpu(arg1 ? &cpu : NULL,
9759 arg2 ? &node : NULL,
9760 NULL));
9761 if (is_error(ret)) {
9762 return ret;
9763 }
9764 if (arg1 && put_user_u32(cpu, arg1)) {
9765 return -TARGET_EFAULT;
9766 }
9767 if (arg2 && put_user_u32(node, arg2)) {
9768 return -TARGET_EFAULT;
9769 }
9770 }
9771 return ret;
9772 case TARGET_NR_sched_setparam:
9773 {
9774 struct sched_param *target_schp;
9775 struct sched_param schp;
9776
9777 if (arg2 == 0) {
9778 return -TARGET_EINVAL;
9779 }
9780 if (!lock_user_struct(VERIFY_READ, target_schp, arg2, 1))
9781 return -TARGET_EFAULT;
9782 schp.sched_priority = tswap32(target_schp->sched_priority);
9783 unlock_user_struct(target_schp, arg2, 0);
9784 return get_errno(sched_setparam(arg1, &schp));
9785 }
9786 case TARGET_NR_sched_getparam:
9787 {
9788 struct sched_param *target_schp;
9789 struct sched_param schp;
9790
9791 if (arg2 == 0) {
9792 return -TARGET_EINVAL;
9793 }
9794 ret = get_errno(sched_getparam(arg1, &schp));
9795 if (!is_error(ret)) {
9796 if (!lock_user_struct(VERIFY_WRITE, target_schp, arg2, 0))
9797 return -TARGET_EFAULT;
9798 target_schp->sched_priority = tswap32(schp.sched_priority);
9799 unlock_user_struct(target_schp, arg2, 1);
9800 }
9801 }
9802 return ret;
9803 case TARGET_NR_sched_setscheduler:
9804 {
9805 struct sched_param *target_schp;
9806 struct sched_param schp;
9807 if (arg3 == 0) {
9808 return -TARGET_EINVAL;
9809 }
9810 if (!lock_user_struct(VERIFY_READ, target_schp, arg3, 1))
9811 return -TARGET_EFAULT;
9812 schp.sched_priority = tswap32(target_schp->sched_priority);
9813 unlock_user_struct(target_schp, arg3, 0);
9814 return get_errno(sched_setscheduler(arg1, arg2, &schp));
9815 }
9816 case TARGET_NR_sched_getscheduler:
9817 return get_errno(sched_getscheduler(arg1));
9818 case TARGET_NR_sched_yield:
9819 return get_errno(sched_yield());
9820 case TARGET_NR_sched_get_priority_max:
9821 return get_errno(sched_get_priority_max(arg1));
9822 case TARGET_NR_sched_get_priority_min:
9823 return get_errno(sched_get_priority_min(arg1));
9824 case TARGET_NR_sched_rr_get_interval:
9825 {
9826 struct timespec ts;
9827 ret = get_errno(sched_rr_get_interval(arg1, &ts));
9828 if (!is_error(ret)) {
9829 ret = host_to_target_timespec(arg2, &ts);
9830 }
9831 }
9832 return ret;
9833 case TARGET_NR_nanosleep:
9834 {
9835 struct timespec req, rem;
9836 target_to_host_timespec(&req, arg1);
9837 ret = get_errno(safe_nanosleep(&req, &rem));
9838 if (is_error(ret) && arg2) {
9839 host_to_target_timespec(arg2, &rem);
9840 }
9841 }
9842 return ret;
9843 case TARGET_NR_prctl:
9844 switch (arg1) {
9845 case PR_GET_PDEATHSIG:
9846 {
9847 int deathsig;
9848 ret = get_errno(prctl(arg1, &deathsig, arg3, arg4, arg5));
9849 if (!is_error(ret) && arg2
9850 && put_user_ual(deathsig, arg2)) {
9851 return -TARGET_EFAULT;
9852 }
9853 return ret;
9854 }
9855#ifdef PR_GET_NAME
9856 case PR_GET_NAME:
9857 {
9858 void *name = lock_user(VERIFY_WRITE, arg2, 16, 1);
9859 if (!name) {
9860 return -TARGET_EFAULT;
9861 }
9862 ret = get_errno(prctl(arg1, (unsigned long)name,
9863 arg3, arg4, arg5));
9864 unlock_user(name, arg2, 16);
9865 return ret;
9866 }
9867 case PR_SET_NAME:
9868 {
9869 void *name = lock_user(VERIFY_READ, arg2, 16, 1);
9870 if (!name) {
9871 return -TARGET_EFAULT;
9872 }
9873 ret = get_errno(prctl(arg1, (unsigned long)name,
9874 arg3, arg4, arg5));
9875 unlock_user(name, arg2, 0);
9876 return ret;
9877 }
9878#endif
9879#ifdef TARGET_MIPS
9880 case TARGET_PR_GET_FP_MODE:
9881 {
9882 CPUMIPSState *env = ((CPUMIPSState *)cpu_env);
9883 ret = 0;
9884 if (env->CP0_Status & (1 << CP0St_FR)) {
9885 ret |= TARGET_PR_FP_MODE_FR;
9886 }
9887 if (env->CP0_Config5 & (1 << CP0C5_FRE)) {
9888 ret |= TARGET_PR_FP_MODE_FRE;
9889 }
9890 return ret;
9891 }
9892 case TARGET_PR_SET_FP_MODE:
9893 {
9894 CPUMIPSState *env = ((CPUMIPSState *)cpu_env);
9895 bool old_fr = env->CP0_Status & (1 << CP0St_FR);
9896 bool old_fre = env->CP0_Config5 & (1 << CP0C5_FRE);
9897 bool new_fr = arg2 & TARGET_PR_FP_MODE_FR;
9898 bool new_fre = arg2 & TARGET_PR_FP_MODE_FRE;
9899
9900 const unsigned int known_bits = TARGET_PR_FP_MODE_FR |
9901 TARGET_PR_FP_MODE_FRE;
9902
9903
9904 if (old_fr == new_fr && old_fre == new_fre) {
9905 return 0;
9906 }
9907
9908 if (arg2 & ~known_bits) {
9909 return -TARGET_EOPNOTSUPP;
9910 }
9911
9912 if (new_fre && !new_fr) {
9913 return -TARGET_EOPNOTSUPP;
9914 }
9915 if (new_fr && !(env->active_fpu.fcr0 & (1 << FCR0_F64))) {
9916
9917 return -TARGET_EOPNOTSUPP;
9918 }
9919 if (!new_fr && (env->active_fpu.fcr0 & (1 << FCR0_F64))
9920 && !(env->CP0_Status_rw_bitmask & (1 << CP0St_FR))) {
9921
9922 return -TARGET_EOPNOTSUPP;
9923 }
9924 if (new_fre && !(env->active_fpu.fcr0 & (1 << FCR0_FREP))) {
9925
9926 return -TARGET_EOPNOTSUPP;
9927 }
9928
9929 int i;
9930 fpr_t *fpr = env->active_fpu.fpr;
9931 for (i = 0; i < 32 ; i += 2) {
9932 if (!old_fr && new_fr) {
9933 fpr[i].w[!FP_ENDIAN_IDX] = fpr[i + 1].w[FP_ENDIAN_IDX];
9934 } else if (old_fr && !new_fr) {
9935 fpr[i + 1].w[FP_ENDIAN_IDX] = fpr[i].w[!FP_ENDIAN_IDX];
9936 }
9937 }
9938
9939 if (new_fr) {
9940 env->CP0_Status |= (1 << CP0St_FR);
9941 env->hflags |= MIPS_HFLAG_F64;
9942 } else {
9943 env->CP0_Status &= ~(1 << CP0St_FR);
9944 env->hflags &= ~MIPS_HFLAG_F64;
9945 }
9946 if (new_fre) {
9947 env->CP0_Config5 |= (1 << CP0C5_FRE);
9948 if (env->active_fpu.fcr0 & (1 << FCR0_FREP)) {
9949 env->hflags |= MIPS_HFLAG_FRE;
9950 }
9951 } else {
9952 env->CP0_Config5 &= ~(1 << CP0C5_FRE);
9953 env->hflags &= ~MIPS_HFLAG_FRE;
9954 }
9955
9956 return 0;
9957 }
9958#endif
9959#ifdef TARGET_AARCH64
9960 case TARGET_PR_SVE_SET_VL:
9961
9962
9963
9964
9965
9966
9967 ret = -TARGET_EINVAL;
9968 if (cpu_isar_feature(aa64_sve, env_archcpu(cpu_env))
9969 && arg2 >= 0 && arg2 <= 512 * 16 && !(arg2 & 15)) {
9970 CPUARMState *env = cpu_env;
9971 ARMCPU *cpu = env_archcpu(env);
9972 uint32_t vq, old_vq;
9973
9974 old_vq = (env->vfp.zcr_el[1] & 0xf) + 1;
9975 vq = MAX(arg2 / 16, 1);
9976 vq = MIN(vq, cpu->sve_max_vq);
9977
9978 if (vq < old_vq) {
9979 aarch64_sve_narrow_vq(env, vq);
9980 }
9981 env->vfp.zcr_el[1] = vq - 1;
9982 ret = vq * 16;
9983 }
9984 return ret;
9985 case TARGET_PR_SVE_GET_VL:
9986 ret = -TARGET_EINVAL;
9987 {
9988 ARMCPU *cpu = env_archcpu(cpu_env);
9989 if (cpu_isar_feature(aa64_sve, cpu)) {
9990 ret = ((cpu->env.vfp.zcr_el[1] & 0xf) + 1) * 16;
9991 }
9992 }
9993 return ret;
9994 case TARGET_PR_PAC_RESET_KEYS:
9995 {
9996 CPUARMState *env = cpu_env;
9997 ARMCPU *cpu = env_archcpu(env);
9998
9999 if (arg3 || arg4 || arg5) {
10000 return -TARGET_EINVAL;
10001 }
10002 if (cpu_isar_feature(aa64_pauth, cpu)) {
10003 int all = (TARGET_PR_PAC_APIAKEY | TARGET_PR_PAC_APIBKEY |
10004 TARGET_PR_PAC_APDAKEY | TARGET_PR_PAC_APDBKEY |
10005 TARGET_PR_PAC_APGAKEY);
10006 int ret = 0;
10007 Error *err = NULL;
10008
10009 if (arg2 == 0) {
10010 arg2 = all;
10011 } else if (arg2 & ~all) {
10012 return -TARGET_EINVAL;
10013 }
10014 if (arg2 & TARGET_PR_PAC_APIAKEY) {
10015 ret |= qemu_guest_getrandom(&env->keys.apia,
10016 sizeof(ARMPACKey), &err);
10017 }
10018 if (arg2 & TARGET_PR_PAC_APIBKEY) {
10019 ret |= qemu_guest_getrandom(&env->keys.apib,
10020 sizeof(ARMPACKey), &err);
10021 }
10022 if (arg2 & TARGET_PR_PAC_APDAKEY) {
10023 ret |= qemu_guest_getrandom(&env->keys.apda,
10024 sizeof(ARMPACKey), &err);
10025 }
10026 if (arg2 & TARGET_PR_PAC_APDBKEY) {
10027 ret |= qemu_guest_getrandom(&env->keys.apdb,
10028 sizeof(ARMPACKey), &err);
10029 }
10030 if (arg2 & TARGET_PR_PAC_APGAKEY) {
10031 ret |= qemu_guest_getrandom(&env->keys.apga,
10032 sizeof(ARMPACKey), &err);
10033 }
10034 if (ret != 0) {
10035
10036
10037
10038
10039
10040 qemu_log_mask(LOG_UNIMP,
10041 "PR_PAC_RESET_KEYS: Crypto failure: %s",
10042 error_get_pretty(err));
10043 error_free(err);
10044 return -TARGET_EIO;
10045 }
10046 return 0;
10047 }
10048 }
10049 return -TARGET_EINVAL;
10050#endif
10051 case PR_GET_SECCOMP:
10052 case PR_SET_SECCOMP:
10053
10054
10055 return -TARGET_EINVAL;
10056 default:
10057
10058 return get_errno(prctl(arg1, arg2, arg3, arg4, arg5));
10059 }
10060 break;
10061#ifdef TARGET_NR_arch_prctl
10062 case TARGET_NR_arch_prctl:
10063#if defined(TARGET_I386) && !defined(TARGET_ABI32)
10064 return do_arch_prctl(cpu_env, arg1, arg2);
10065#else
10066#error unreachable
10067#endif
10068#endif
10069#ifdef TARGET_NR_pread64
10070 case TARGET_NR_pread64:
10071 if (regpairs_aligned(cpu_env, num)) {
10072 arg4 = arg5;
10073 arg5 = arg6;
10074 }
10075 if (arg2 == 0 && arg3 == 0) {
10076
10077 p = 0;
10078 } else {
10079 p = lock_user(VERIFY_WRITE, arg2, arg3, 0);
10080 if (!p) {
10081 return -TARGET_EFAULT;
10082 }
10083 }
10084 ret = get_errno(pread64(arg1, p, arg3, target_offset64(arg4, arg5)));
10085 unlock_user(p, arg2, ret);
10086 return ret;
10087 case TARGET_NR_pwrite64:
10088 if (regpairs_aligned(cpu_env, num)) {
10089 arg4 = arg5;
10090 arg5 = arg6;
10091 }
10092 if (arg2 == 0 && arg3 == 0) {
10093
10094 p = 0;
10095 } else {
10096 p = lock_user(VERIFY_READ, arg2, arg3, 1);
10097 if (!p) {
10098 return -TARGET_EFAULT;
10099 }
10100 }
10101 ret = get_errno(pwrite64(arg1, p, arg3, target_offset64(arg4, arg5)));
10102 unlock_user(p, arg2, 0);
10103 return ret;
10104#endif
10105 case TARGET_NR_getcwd:
10106 if (!(p = lock_user(VERIFY_WRITE, arg1, arg2, 0)))
10107 return -TARGET_EFAULT;
10108 ret = get_errno(sys_getcwd1(p, arg2));
10109 unlock_user(p, arg1, ret);
10110 return ret;
10111 case TARGET_NR_capget:
10112 case TARGET_NR_capset:
10113 {
10114 struct target_user_cap_header *target_header;
10115 struct target_user_cap_data *target_data = NULL;
10116 struct __user_cap_header_struct header;
10117 struct __user_cap_data_struct data[2];
10118 struct __user_cap_data_struct *dataptr = NULL;
10119 int i, target_datalen;
10120 int data_items = 1;
10121
10122 if (!lock_user_struct(VERIFY_WRITE, target_header, arg1, 1)) {
10123 return -TARGET_EFAULT;
10124 }
10125 header.version = tswap32(target_header->version);
10126 header.pid = tswap32(target_header->pid);
10127
10128 if (header.version != _LINUX_CAPABILITY_VERSION) {
10129
10130 data_items = 2;
10131 }
10132
10133 target_datalen = sizeof(*target_data) * data_items;
10134
10135 if (arg2) {
10136 if (num == TARGET_NR_capget) {
10137 target_data = lock_user(VERIFY_WRITE, arg2, target_datalen, 0);
10138 } else {
10139 target_data = lock_user(VERIFY_READ, arg2, target_datalen, 1);
10140 }
10141 if (!target_data) {
10142 unlock_user_struct(target_header, arg1, 0);
10143 return -TARGET_EFAULT;
10144 }
10145
10146 if (num == TARGET_NR_capset) {
10147 for (i = 0; i < data_items; i++) {
10148 data[i].effective = tswap32(target_data[i].effective);
10149 data[i].permitted = tswap32(target_data[i].permitted);
10150 data[i].inheritable = tswap32(target_data[i].inheritable);
10151 }
10152 }
10153
10154 dataptr = data;
10155 }
10156
10157 if (num == TARGET_NR_capget) {
10158 ret = get_errno(capget(&header, dataptr));
10159 } else {
10160 ret = get_errno(capset(&header, dataptr));
10161 }
10162
10163
10164 target_header->version = tswap32(header.version);
10165 unlock_user_struct(target_header, arg1, 1);
10166
10167 if (arg2) {
10168 if (num == TARGET_NR_capget) {
10169 for (i = 0; i < data_items; i++) {
10170 target_data[i].effective = tswap32(data[i].effective);
10171 target_data[i].permitted = tswap32(data[i].permitted);
10172 target_data[i].inheritable = tswap32(data[i].inheritable);
10173 }
10174 unlock_user(target_data, arg2, target_datalen);
10175 } else {
10176 unlock_user(target_data, arg2, 0);
10177 }
10178 }
10179 return ret;
10180 }
10181 case TARGET_NR_sigaltstack:
10182 return do_sigaltstack(arg1, arg2,
10183 get_sp_from_cpustate((CPUArchState *)cpu_env));
10184
10185#ifdef CONFIG_SENDFILE
10186#ifdef TARGET_NR_sendfile
10187 case TARGET_NR_sendfile:
10188 {
10189 off_t *offp = NULL;
10190 off_t off;
10191 if (arg3) {
10192 ret = get_user_sal(off, arg3);
10193 if (is_error(ret)) {
10194 return ret;
10195 }
10196 offp = &off;
10197 }
10198 ret = get_errno(sendfile(arg1, arg2, offp, arg4));
10199 if (!is_error(ret) && arg3) {
10200 abi_long ret2 = put_user_sal(off, arg3);
10201 if (is_error(ret2)) {
10202 ret = ret2;
10203 }
10204 }
10205 return ret;
10206 }
10207#endif
10208#ifdef TARGET_NR_sendfile64
10209 case TARGET_NR_sendfile64:
10210 {
10211 off_t *offp = NULL;
10212 off_t off;
10213 if (arg3) {
10214 ret = get_user_s64(off, arg3);
10215 if (is_error(ret)) {
10216 return ret;
10217 }
10218 offp = &off;
10219 }
10220 ret = get_errno(sendfile(arg1, arg2, offp, arg4));
10221 if (!is_error(ret) && arg3) {
10222 abi_long ret2 = put_user_s64(off, arg3);
10223 if (is_error(ret2)) {
10224 ret = ret2;
10225 }
10226 }
10227 return ret;
10228 }
10229#endif
10230#endif
10231#ifdef TARGET_NR_vfork
10232 case TARGET_NR_vfork:
10233 return get_errno(do_fork(cpu_env,
10234 CLONE_VFORK | CLONE_VM | TARGET_SIGCHLD,
10235 0, 0, 0, 0));
10236#endif
10237#ifdef TARGET_NR_ugetrlimit
10238 case TARGET_NR_ugetrlimit:
10239 {
10240 struct rlimit rlim;
10241 int resource = target_to_host_resource(arg1);
10242 ret = get_errno(getrlimit(resource, &rlim));
10243 if (!is_error(ret)) {
10244 struct target_rlimit *target_rlim;
10245 if (!lock_user_struct(VERIFY_WRITE, target_rlim, arg2, 0))
10246 return -TARGET_EFAULT;
10247 target_rlim->rlim_cur = host_to_target_rlim(rlim.rlim_cur);
10248 target_rlim->rlim_max = host_to_target_rlim(rlim.rlim_max);
10249 unlock_user_struct(target_rlim, arg2, 1);
10250 }
10251 return ret;
10252 }
10253#endif
10254#ifdef TARGET_NR_truncate64
10255 case TARGET_NR_truncate64:
10256 if (!(p = lock_user_string(arg1)))
10257 return -TARGET_EFAULT;
10258 ret = target_truncate64(cpu_env, p, arg2, arg3, arg4);
10259 unlock_user(p, arg1, 0);
10260 return ret;
10261#endif
10262#ifdef TARGET_NR_ftruncate64
10263 case TARGET_NR_ftruncate64:
10264 return target_ftruncate64(cpu_env, arg1, arg2, arg3, arg4);
10265#endif
10266#ifdef TARGET_NR_stat64
10267 case TARGET_NR_stat64:
10268 if (!(p = lock_user_string(arg1))) {
10269 return -TARGET_EFAULT;
10270 }
10271 ret = get_errno(stat(path(p), &st));
10272 unlock_user(p, arg1, 0);
10273 if (!is_error(ret))
10274 ret = host_to_target_stat64(cpu_env, arg2, &st);
10275 return ret;
10276#endif
10277#ifdef TARGET_NR_lstat64
10278 case TARGET_NR_lstat64:
10279 if (!(p = lock_user_string(arg1))) {
10280 return -TARGET_EFAULT;
10281 }
10282 ret = get_errno(lstat(path(p), &st));
10283 unlock_user(p, arg1, 0);
10284 if (!is_error(ret))
10285 ret = host_to_target_stat64(cpu_env, arg2, &st);
10286 return ret;
10287#endif
10288#ifdef TARGET_NR_fstat64
10289 case TARGET_NR_fstat64:
10290 ret = get_errno(fstat(arg1, &st));
10291 if (!is_error(ret))
10292 ret = host_to_target_stat64(cpu_env, arg2, &st);
10293 return ret;
10294#endif
10295#if (defined(TARGET_NR_fstatat64) || defined(TARGET_NR_newfstatat))
10296#ifdef TARGET_NR_fstatat64
10297 case TARGET_NR_fstatat64:
10298#endif
10299#ifdef TARGET_NR_newfstatat
10300 case TARGET_NR_newfstatat:
10301#endif
10302 if (!(p = lock_user_string(arg2))) {
10303 return -TARGET_EFAULT;
10304 }
10305 ret = get_errno(fstatat(arg1, path(p), &st, arg4));
10306 unlock_user(p, arg2, 0);
10307 if (!is_error(ret))
10308 ret = host_to_target_stat64(cpu_env, arg3, &st);
10309 return ret;
10310#endif
10311#if defined(TARGET_NR_statx)
10312 case TARGET_NR_statx:
10313 {
10314 struct target_statx *target_stx;
10315 int dirfd = arg1;
10316 int flags = arg3;
10317
10318 p = lock_user_string(arg2);
10319 if (p == NULL) {
10320 return -TARGET_EFAULT;
10321 }
10322#if defined(__NR_statx)
10323 {
10324
10325
10326
10327 struct target_statx host_stx;
10328 int mask = arg4;
10329
10330 ret = get_errno(sys_statx(dirfd, p, flags, mask, &host_stx));
10331 if (!is_error(ret)) {
10332 if (host_to_target_statx(&host_stx, arg5) != 0) {
10333 unlock_user(p, arg2, 0);
10334 return -TARGET_EFAULT;
10335 }
10336 }
10337
10338 if (ret != -TARGET_ENOSYS) {
10339 unlock_user(p, arg2, 0);
10340 return ret;
10341 }
10342 }
10343#endif
10344 ret = get_errno(fstatat(dirfd, path(p), &st, flags));
10345 unlock_user(p, arg2, 0);
10346
10347 if (!is_error(ret)) {
10348 if (!lock_user_struct(VERIFY_WRITE, target_stx, arg5, 0)) {
10349 return -TARGET_EFAULT;
10350 }
10351 memset(target_stx, 0, sizeof(*target_stx));
10352 __put_user(major(st.st_dev), &target_stx->stx_dev_major);
10353 __put_user(minor(st.st_dev), &target_stx->stx_dev_minor);
10354 __put_user(st.st_ino, &target_stx->stx_ino);
10355 __put_user(st.st_mode, &target_stx->stx_mode);
10356 __put_user(st.st_uid, &target_stx->stx_uid);
10357 __put_user(st.st_gid, &target_stx->stx_gid);
10358 __put_user(st.st_nlink, &target_stx->stx_nlink);
10359 __put_user(major(st.st_rdev), &target_stx->stx_rdev_major);
10360 __put_user(minor(st.st_rdev), &target_stx->stx_rdev_minor);
10361 __put_user(st.st_size, &target_stx->stx_size);
10362 __put_user(st.st_blksize, &target_stx->stx_blksize);
10363 __put_user(st.st_blocks, &target_stx->stx_blocks);
10364 __put_user(st.st_atime, &target_stx->stx_atime.tv_sec);
10365 __put_user(st.st_mtime, &target_stx->stx_mtime.tv_sec);
10366 __put_user(st.st_ctime, &target_stx->stx_ctime.tv_sec);
10367 unlock_user_struct(target_stx, arg5, 1);
10368 }
10369 }
10370 return ret;
10371#endif
10372#ifdef TARGET_NR_lchown
10373 case TARGET_NR_lchown:
10374 if (!(p = lock_user_string(arg1)))
10375 return -TARGET_EFAULT;
10376 ret = get_errno(lchown(p, low2highuid(arg2), low2highgid(arg3)));
10377 unlock_user(p, arg1, 0);
10378 return ret;
10379#endif
10380#ifdef TARGET_NR_getuid
10381 case TARGET_NR_getuid:
10382 return get_errno(high2lowuid(getuid()));
10383#endif
10384#ifdef TARGET_NR_getgid
10385 case TARGET_NR_getgid:
10386 return get_errno(high2lowgid(getgid()));
10387#endif
10388#ifdef TARGET_NR_geteuid
10389 case TARGET_NR_geteuid:
10390 return get_errno(high2lowuid(geteuid()));
10391#endif
10392#ifdef TARGET_NR_getegid
10393 case TARGET_NR_getegid:
10394 return get_errno(high2lowgid(getegid()));
10395#endif
10396 case TARGET_NR_setreuid:
10397 return get_errno(setreuid(low2highuid(arg1), low2highuid(arg2)));
10398 case TARGET_NR_setregid:
10399 return get_errno(setregid(low2highgid(arg1), low2highgid(arg2)));
10400 case TARGET_NR_getgroups:
10401 {
10402 int gidsetsize = arg1;
10403 target_id *target_grouplist;
10404 gid_t *grouplist;
10405 int i;
10406
10407 grouplist = alloca(gidsetsize * sizeof(gid_t));
10408 ret = get_errno(getgroups(gidsetsize, grouplist));
10409 if (gidsetsize == 0)
10410 return ret;
10411 if (!is_error(ret)) {
10412 target_grouplist = lock_user(VERIFY_WRITE, arg2, gidsetsize * sizeof(target_id), 0);
10413 if (!target_grouplist)
10414 return -TARGET_EFAULT;
10415 for(i = 0;i < ret; i++)
10416 target_grouplist[i] = tswapid(high2lowgid(grouplist[i]));
10417 unlock_user(target_grouplist, arg2, gidsetsize * sizeof(target_id));
10418 }
10419 }
10420 return ret;
10421 case TARGET_NR_setgroups:
10422 {
10423 int gidsetsize = arg1;
10424 target_id *target_grouplist;
10425 gid_t *grouplist = NULL;
10426 int i;
10427 if (gidsetsize) {
10428 grouplist = alloca(gidsetsize * sizeof(gid_t));
10429 target_grouplist = lock_user(VERIFY_READ, arg2, gidsetsize * sizeof(target_id), 1);
10430 if (!target_grouplist) {
10431 return -TARGET_EFAULT;
10432 }
10433 for (i = 0; i < gidsetsize; i++) {
10434 grouplist[i] = low2highgid(tswapid(target_grouplist[i]));
10435 }
10436 unlock_user(target_grouplist, arg2, 0);
10437 }
10438 return get_errno(setgroups(gidsetsize, grouplist));
10439 }
10440 case TARGET_NR_fchown:
10441 return get_errno(fchown(arg1, low2highuid(arg2), low2highgid(arg3)));
10442#if defined(TARGET_NR_fchownat)
10443 case TARGET_NR_fchownat:
10444 if (!(p = lock_user_string(arg2)))
10445 return -TARGET_EFAULT;
10446 ret = get_errno(fchownat(arg1, p, low2highuid(arg3),
10447 low2highgid(arg4), arg5));
10448 unlock_user(p, arg2, 0);
10449 return ret;
10450#endif
10451#ifdef TARGET_NR_setresuid
10452 case TARGET_NR_setresuid:
10453 return get_errno(sys_setresuid(low2highuid(arg1),
10454 low2highuid(arg2),
10455 low2highuid(arg3)));
10456#endif
10457#ifdef TARGET_NR_getresuid
10458 case TARGET_NR_getresuid:
10459 {
10460 uid_t ruid, euid, suid;
10461 ret = get_errno(getresuid(&ruid, &euid, &suid));
10462 if (!is_error(ret)) {
10463 if (put_user_id(high2lowuid(ruid), arg1)
10464 || put_user_id(high2lowuid(euid), arg2)
10465 || put_user_id(high2lowuid(suid), arg3))
10466 return -TARGET_EFAULT;
10467 }
10468 }
10469 return ret;
10470#endif
10471#ifdef TARGET_NR_getresgid
10472 case TARGET_NR_setresgid:
10473 return get_errno(sys_setresgid(low2highgid(arg1),
10474 low2highgid(arg2),
10475 low2highgid(arg3)));
10476#endif
10477#ifdef TARGET_NR_getresgid
10478 case TARGET_NR_getresgid:
10479 {
10480 gid_t rgid, egid, sgid;
10481 ret = get_errno(getresgid(&rgid, &egid, &sgid));
10482 if (!is_error(ret)) {
10483 if (put_user_id(high2lowgid(rgid), arg1)
10484 || put_user_id(high2lowgid(egid), arg2)
10485 || put_user_id(high2lowgid(sgid), arg3))
10486 return -TARGET_EFAULT;
10487 }
10488 }
10489 return ret;
10490#endif
10491#ifdef TARGET_NR_chown
10492 case TARGET_NR_chown:
10493 if (!(p = lock_user_string(arg1)))
10494 return -TARGET_EFAULT;
10495 ret = get_errno(chown(p, low2highuid(arg2), low2highgid(arg3)));
10496 unlock_user(p, arg1, 0);
10497 return ret;
10498#endif
10499 case TARGET_NR_setuid:
10500 return get_errno(sys_setuid(low2highuid(arg1)));
10501 case TARGET_NR_setgid:
10502 return get_errno(sys_setgid(low2highgid(arg1)));
10503 case TARGET_NR_setfsuid:
10504 return get_errno(setfsuid(arg1));
10505 case TARGET_NR_setfsgid:
10506 return get_errno(setfsgid(arg1));
10507
10508#ifdef TARGET_NR_lchown32
10509 case TARGET_NR_lchown32:
10510 if (!(p = lock_user_string(arg1)))
10511 return -TARGET_EFAULT;
10512 ret = get_errno(lchown(p, arg2, arg3));
10513 unlock_user(p, arg1, 0);
10514 return ret;
10515#endif
10516#ifdef TARGET_NR_getuid32
10517 case TARGET_NR_getuid32:
10518 return get_errno(getuid());
10519#endif
10520
10521#if defined(TARGET_NR_getxuid) && defined(TARGET_ALPHA)
10522
10523 case TARGET_NR_getxuid:
10524 {
10525 uid_t euid;
10526 euid=geteuid();
10527 ((CPUAlphaState *)cpu_env)->ir[IR_A4]=euid;
10528 }
10529 return get_errno(getuid());
10530#endif
10531#if defined(TARGET_NR_getxgid) && defined(TARGET_ALPHA)
10532
10533 case TARGET_NR_getxgid:
10534 {
10535 uid_t egid;
10536 egid=getegid();
10537 ((CPUAlphaState *)cpu_env)->ir[IR_A4]=egid;
10538 }
10539 return get_errno(getgid());
10540#endif
10541#if defined(TARGET_NR_osf_getsysinfo) && defined(TARGET_ALPHA)
10542
10543 case TARGET_NR_osf_getsysinfo:
10544 ret = -TARGET_EOPNOTSUPP;
10545 switch (arg1) {
10546 case TARGET_GSI_IEEE_FP_CONTROL:
10547 {
10548 uint64_t fpcr = cpu_alpha_load_fpcr(cpu_env);
10549 uint64_t swcr = ((CPUAlphaState *)cpu_env)->swcr;
10550
10551 swcr &= ~SWCR_STATUS_MASK;
10552 swcr |= (fpcr >> 35) & SWCR_STATUS_MASK;
10553
10554 if (put_user_u64 (swcr, arg2))
10555 return -TARGET_EFAULT;
10556 ret = 0;
10557 }
10558 break;
10559
10560
10561
10562
10563
10564
10565
10566
10567
10568
10569 }
10570 return ret;
10571#endif
10572#if defined(TARGET_NR_osf_setsysinfo) && defined(TARGET_ALPHA)
10573
10574 case TARGET_NR_osf_setsysinfo:
10575 ret = -TARGET_EOPNOTSUPP;
10576 switch (arg1) {
10577 case TARGET_SSI_IEEE_FP_CONTROL:
10578 {
10579 uint64_t swcr, fpcr;
10580
10581 if (get_user_u64 (swcr, arg2)) {
10582 return -TARGET_EFAULT;
10583 }
10584
10585
10586
10587
10588
10589
10590
10591 ((CPUAlphaState *)cpu_env)->swcr
10592 = swcr & (SWCR_TRAP_ENABLE_MASK | SWCR_MAP_MASK);
10593
10594 fpcr = cpu_alpha_load_fpcr(cpu_env);
10595 fpcr &= ((uint64_t)FPCR_DYN_MASK << 32);
10596 fpcr |= alpha_ieee_swcr_to_fpcr(swcr);
10597 cpu_alpha_store_fpcr(cpu_env, fpcr);
10598 ret = 0;
10599 }
10600 break;
10601
10602 case TARGET_SSI_IEEE_RAISE_EXCEPTION:
10603 {
10604 uint64_t exc, fpcr, fex;
10605
10606 if (get_user_u64(exc, arg2)) {
10607 return -TARGET_EFAULT;
10608 }
10609 exc &= SWCR_STATUS_MASK;
10610 fpcr = cpu_alpha_load_fpcr(cpu_env);
10611
10612
10613 fex = alpha_ieee_fpcr_to_swcr(fpcr);
10614 fex = exc & ~fex;
10615 fex >>= SWCR_STATUS_TO_EXCSUM_SHIFT;
10616 fex &= ((CPUArchState *)cpu_env)->swcr;
10617
10618
10619 fpcr |= alpha_ieee_swcr_to_fpcr(exc);
10620 cpu_alpha_store_fpcr(cpu_env, fpcr);
10621
10622 if (fex) {
10623 int si_code = TARGET_FPE_FLTUNK;
10624 target_siginfo_t info;
10625
10626 if (fex & SWCR_TRAP_ENABLE_DNO) {
10627 si_code = TARGET_FPE_FLTUND;
10628 }
10629 if (fex & SWCR_TRAP_ENABLE_INE) {
10630 si_code = TARGET_FPE_FLTRES;
10631 }
10632 if (fex & SWCR_TRAP_ENABLE_UNF) {
10633 si_code = TARGET_FPE_FLTUND;
10634 }
10635 if (fex & SWCR_TRAP_ENABLE_OVF) {
10636 si_code = TARGET_FPE_FLTOVF;
10637 }
10638 if (fex & SWCR_TRAP_ENABLE_DZE) {
10639 si_code = TARGET_FPE_FLTDIV;
10640 }
10641 if (fex & SWCR_TRAP_ENABLE_INV) {
10642 si_code = TARGET_FPE_FLTINV;
10643 }
10644
10645 info.si_signo = SIGFPE;
10646 info.si_errno = 0;
10647 info.si_code = si_code;
10648 info._sifields._sigfault._addr
10649 = ((CPUArchState *)cpu_env)->pc;
10650 queue_signal((CPUArchState *)cpu_env, info.si_signo,
10651 QEMU_SI_FAULT, &info);
10652 }
10653 ret = 0;
10654 }
10655 break;
10656
10657
10658
10659
10660
10661
10662
10663 }
10664 return ret;
10665#endif
10666#ifdef TARGET_NR_osf_sigprocmask
10667
10668 case TARGET_NR_osf_sigprocmask:
10669 {
10670 abi_ulong mask;
10671 int how;
10672 sigset_t set, oldset;
10673
10674 switch(arg1) {
10675 case TARGET_SIG_BLOCK:
10676 how = SIG_BLOCK;
10677 break;
10678 case TARGET_SIG_UNBLOCK:
10679 how = SIG_UNBLOCK;
10680 break;
10681 case TARGET_SIG_SETMASK:
10682 how = SIG_SETMASK;
10683 break;
10684 default:
10685 return -TARGET_EINVAL;
10686 }
10687 mask = arg2;
10688 target_to_host_old_sigset(&set, &mask);
10689 ret = do_sigprocmask(how, &set, &oldset);
10690 if (!ret) {
10691 host_to_target_old_sigset(&mask, &oldset);
10692 ret = mask;
10693 }
10694 }
10695 return ret;
10696#endif
10697
10698#ifdef TARGET_NR_getgid32
10699 case TARGET_NR_getgid32:
10700 return get_errno(getgid());
10701#endif
10702#ifdef TARGET_NR_geteuid32
10703 case TARGET_NR_geteuid32:
10704 return get_errno(geteuid());
10705#endif
10706#ifdef TARGET_NR_getegid32
10707 case TARGET_NR_getegid32:
10708 return get_errno(getegid());
10709#endif
10710#ifdef TARGET_NR_setreuid32
10711 case TARGET_NR_setreuid32:
10712 return get_errno(setreuid(arg1, arg2));
10713#endif
10714#ifdef TARGET_NR_setregid32
10715 case TARGET_NR_setregid32:
10716 return get_errno(setregid(arg1, arg2));
10717#endif
10718#ifdef TARGET_NR_getgroups32
10719 case TARGET_NR_getgroups32:
10720 {
10721 int gidsetsize = arg1;
10722 uint32_t *target_grouplist;
10723 gid_t *grouplist;
10724 int i;
10725
10726 grouplist = alloca(gidsetsize * sizeof(gid_t));
10727 ret = get_errno(getgroups(gidsetsize, grouplist));
10728 if (gidsetsize == 0)
10729 return ret;
10730 if (!is_error(ret)) {
10731 target_grouplist = lock_user(VERIFY_WRITE, arg2, gidsetsize * 4, 0);
10732 if (!target_grouplist) {
10733 return -TARGET_EFAULT;
10734 }
10735 for(i = 0;i < ret; i++)
10736 target_grouplist[i] = tswap32(grouplist[i]);
10737 unlock_user(target_grouplist, arg2, gidsetsize * 4);
10738 }
10739 }
10740 return ret;
10741#endif
10742#ifdef TARGET_NR_setgroups32
10743 case TARGET_NR_setgroups32:
10744 {
10745 int gidsetsize = arg1;
10746 uint32_t *target_grouplist;
10747 gid_t *grouplist;
10748 int i;
10749
10750 grouplist = alloca(gidsetsize * sizeof(gid_t));
10751 target_grouplist = lock_user(VERIFY_READ, arg2, gidsetsize * 4, 1);
10752 if (!target_grouplist) {
10753 return -TARGET_EFAULT;
10754 }
10755 for(i = 0;i < gidsetsize; i++)
10756 grouplist[i] = tswap32(target_grouplist[i]);
10757 unlock_user(target_grouplist, arg2, 0);
10758 return get_errno(setgroups(gidsetsize, grouplist));
10759 }
10760#endif
10761#ifdef TARGET_NR_fchown32
10762 case TARGET_NR_fchown32:
10763 return get_errno(fchown(arg1, arg2, arg3));
10764#endif
10765#ifdef TARGET_NR_setresuid32
10766 case TARGET_NR_setresuid32:
10767 return get_errno(sys_setresuid(arg1, arg2, arg3));
10768#endif
10769#ifdef TARGET_NR_getresuid32
10770 case TARGET_NR_getresuid32:
10771 {
10772 uid_t ruid, euid, suid;
10773 ret = get_errno(getresuid(&ruid, &euid, &suid));
10774 if (!is_error(ret)) {
10775 if (put_user_u32(ruid, arg1)
10776 || put_user_u32(euid, arg2)
10777 || put_user_u32(suid, arg3))
10778 return -TARGET_EFAULT;
10779 }
10780 }
10781 return ret;
10782#endif
10783#ifdef TARGET_NR_setresgid32
10784 case TARGET_NR_setresgid32:
10785 return get_errno(sys_setresgid(arg1, arg2, arg3));
10786#endif
10787#ifdef TARGET_NR_getresgid32
10788 case TARGET_NR_getresgid32:
10789 {
10790 gid_t rgid, egid, sgid;
10791 ret = get_errno(getresgid(&rgid, &egid, &sgid));
10792 if (!is_error(ret)) {
10793 if (put_user_u32(rgid, arg1)
10794 || put_user_u32(egid, arg2)
10795 || put_user_u32(sgid, arg3))
10796 return -TARGET_EFAULT;
10797 }
10798 }
10799 return ret;
10800#endif
10801#ifdef TARGET_NR_chown32
10802 case TARGET_NR_chown32:
10803 if (!(p = lock_user_string(arg1)))
10804 return -TARGET_EFAULT;
10805 ret = get_errno(chown(p, arg2, arg3));
10806 unlock_user(p, arg1, 0);
10807 return ret;
10808#endif
10809#ifdef TARGET_NR_setuid32
10810 case TARGET_NR_setuid32:
10811 return get_errno(sys_setuid(arg1));
10812#endif
10813#ifdef TARGET_NR_setgid32
10814 case TARGET_NR_setgid32:
10815 return get_errno(sys_setgid(arg1));
10816#endif
10817#ifdef TARGET_NR_setfsuid32
10818 case TARGET_NR_setfsuid32:
10819 return get_errno(setfsuid(arg1));
10820#endif
10821#ifdef TARGET_NR_setfsgid32
10822 case TARGET_NR_setfsgid32:
10823 return get_errno(setfsgid(arg1));
10824#endif
10825#ifdef TARGET_NR_mincore
10826 case TARGET_NR_mincore:
10827 {
10828 void *a = lock_user(VERIFY_READ, arg1, arg2, 0);
10829 if (!a) {
10830 return -TARGET_ENOMEM;
10831 }
10832 p = lock_user_string(arg3);
10833 if (!p) {
10834 ret = -TARGET_EFAULT;
10835 } else {
10836 ret = get_errno(mincore(a, arg2, p));
10837 unlock_user(p, arg3, ret);
10838 }
10839 unlock_user(a, arg1, 0);
10840 }
10841 return ret;
10842#endif
10843#ifdef TARGET_NR_arm_fadvise64_64
10844 case TARGET_NR_arm_fadvise64_64:
10845
10846
10847
10848
10849
10850
10851 ret = posix_fadvise(arg1, target_offset64(arg3, arg4),
10852 target_offset64(arg5, arg6), arg2);
10853 return -host_to_target_errno(ret);
10854#endif
10855
10856#if TARGET_ABI_BITS == 32
10857
10858#ifdef TARGET_NR_fadvise64_64
10859 case TARGET_NR_fadvise64_64:
10860#if defined(TARGET_PPC) || defined(TARGET_XTENSA)
10861
10862 ret = arg2;
10863 arg2 = arg3;
10864 arg3 = arg4;
10865 arg4 = arg5;
10866 arg5 = arg6;
10867 arg6 = ret;
10868#else
10869
10870 if (regpairs_aligned(cpu_env, num)) {
10871
10872 arg2 = arg3;
10873 arg3 = arg4;
10874 arg4 = arg5;
10875 arg5 = arg6;
10876 arg6 = arg7;
10877 }
10878#endif
10879 ret = posix_fadvise(arg1, target_offset64(arg2, arg3),
10880 target_offset64(arg4, arg5), arg6);
10881 return -host_to_target_errno(ret);
10882#endif
10883
10884#ifdef TARGET_NR_fadvise64
10885 case TARGET_NR_fadvise64:
10886
10887 if (regpairs_aligned(cpu_env, num)) {
10888
10889 arg2 = arg3;
10890 arg3 = arg4;
10891 arg4 = arg5;
10892 arg5 = arg6;
10893 }
10894 ret = posix_fadvise(arg1, target_offset64(arg2, arg3), arg4, arg5);
10895 return -host_to_target_errno(ret);
10896#endif
10897
10898#else
10899#if defined(TARGET_NR_fadvise64_64) || defined(TARGET_NR_fadvise64)
10900#ifdef TARGET_NR_fadvise64_64
10901 case TARGET_NR_fadvise64_64:
10902#endif
10903#ifdef TARGET_NR_fadvise64
10904 case TARGET_NR_fadvise64:
10905#endif
10906#ifdef TARGET_S390X
10907 switch (arg4) {
10908 case 4: arg4 = POSIX_FADV_NOREUSE + 1; break;
10909 case 5: arg4 = POSIX_FADV_NOREUSE + 2; break;
10910 case 6: arg4 = POSIX_FADV_DONTNEED; break;
10911 case 7: arg4 = POSIX_FADV_NOREUSE; break;
10912 default: break;
10913 }
10914#endif
10915 return -host_to_target_errno(posix_fadvise(arg1, arg2, arg3, arg4));
10916#endif
10917#endif
10918
10919#ifdef TARGET_NR_madvise
10920 case TARGET_NR_madvise:
10921
10922
10923
10924
10925 return 0;
10926#endif
10927#if TARGET_ABI_BITS == 32
10928 case TARGET_NR_fcntl64:
10929 {
10930 int cmd;
10931 struct flock64 fl;
10932 from_flock64_fn *copyfrom = copy_from_user_flock64;
10933 to_flock64_fn *copyto = copy_to_user_flock64;
10934
10935#ifdef TARGET_ARM
10936 if (!((CPUARMState *)cpu_env)->eabi) {
10937 copyfrom = copy_from_user_oabi_flock64;
10938 copyto = copy_to_user_oabi_flock64;
10939 }
10940#endif
10941
10942 cmd = target_to_host_fcntl_cmd(arg2);
10943 if (cmd == -TARGET_EINVAL) {
10944 return cmd;
10945 }
10946
10947 switch(arg2) {
10948 case TARGET_F_GETLK64:
10949 ret = copyfrom(&fl, arg3);
10950 if (ret) {
10951 break;
10952 }
10953 ret = get_errno(safe_fcntl(arg1, cmd, &fl));
10954 if (ret == 0) {
10955 ret = copyto(arg3, &fl);
10956 }
10957 break;
10958
10959 case TARGET_F_SETLK64:
10960 case TARGET_F_SETLKW64:
10961 ret = copyfrom(&fl, arg3);
10962 if (ret) {
10963 break;
10964 }
10965 ret = get_errno(safe_fcntl(arg1, cmd, &fl));
10966 break;
10967 default:
10968 ret = do_fcntl(arg1, arg2, arg3);
10969 break;
10970 }
10971 return ret;
10972 }
10973#endif
10974#ifdef TARGET_NR_cacheflush
10975 case TARGET_NR_cacheflush:
10976
10977 return 0;
10978#endif
10979#ifdef TARGET_NR_getpagesize
10980 case TARGET_NR_getpagesize:
10981 return TARGET_PAGE_SIZE;
10982#endif
10983 case TARGET_NR_gettid:
10984 return get_errno(sys_gettid());
10985#ifdef TARGET_NR_readahead
10986 case TARGET_NR_readahead:
10987#if TARGET_ABI_BITS == 32
10988 if (regpairs_aligned(cpu_env, num)) {
10989 arg2 = arg3;
10990 arg3 = arg4;
10991 arg4 = arg5;
10992 }
10993 ret = get_errno(readahead(arg1, target_offset64(arg2, arg3) , arg4));
10994#else
10995 ret = get_errno(readahead(arg1, arg2, arg3));
10996#endif
10997 return ret;
10998#endif
10999#ifdef CONFIG_ATTR
11000#ifdef TARGET_NR_setxattr
11001 case TARGET_NR_listxattr:
11002 case TARGET_NR_llistxattr:
11003 {
11004 void *p, *b = 0;
11005 if (arg2) {
11006 b = lock_user(VERIFY_WRITE, arg2, arg3, 0);
11007 if (!b) {
11008 return -TARGET_EFAULT;
11009 }
11010 }
11011 p = lock_user_string(arg1);
11012 if (p) {
11013 if (num == TARGET_NR_listxattr) {
11014 ret = get_errno(listxattr(p, b, arg3));
11015 } else {
11016 ret = get_errno(llistxattr(p, b, arg3));
11017 }
11018 } else {
11019 ret = -TARGET_EFAULT;
11020 }
11021 unlock_user(p, arg1, 0);
11022 unlock_user(b, arg2, arg3);
11023 return ret;
11024 }
11025 case TARGET_NR_flistxattr:
11026 {
11027 void *b = 0;
11028 if (arg2) {
11029 b = lock_user(VERIFY_WRITE, arg2, arg3, 0);
11030 if (!b) {
11031 return -TARGET_EFAULT;
11032 }
11033 }
11034 ret = get_errno(flistxattr(arg1, b, arg3));
11035 unlock_user(b, arg2, arg3);
11036 return ret;
11037 }
11038 case TARGET_NR_setxattr:
11039 case TARGET_NR_lsetxattr:
11040 {
11041 void *p, *n, *v = 0;
11042 if (arg3) {
11043 v = lock_user(VERIFY_READ, arg3, arg4, 1);
11044 if (!v) {
11045 return -TARGET_EFAULT;
11046 }
11047 }
11048 p = lock_user_string(arg1);
11049 n = lock_user_string(arg2);
11050 if (p && n) {
11051 if (num == TARGET_NR_setxattr) {
11052 ret = get_errno(setxattr(p, n, v, arg4, arg5));
11053 } else {
11054 ret = get_errno(lsetxattr(p, n, v, arg4, arg5));
11055 }
11056 } else {
11057 ret = -TARGET_EFAULT;
11058 }
11059 unlock_user(p, arg1, 0);
11060 unlock_user(n, arg2, 0);
11061 unlock_user(v, arg3, 0);
11062 }
11063 return ret;
11064 case TARGET_NR_fsetxattr:
11065 {
11066 void *n, *v = 0;
11067 if (arg3) {
11068 v = lock_user(VERIFY_READ, arg3, arg4, 1);
11069 if (!v) {
11070 return -TARGET_EFAULT;
11071 }
11072 }
11073 n = lock_user_string(arg2);
11074 if (n) {
11075 ret = get_errno(fsetxattr(arg1, n, v, arg4, arg5));
11076 } else {
11077 ret = -TARGET_EFAULT;
11078 }
11079 unlock_user(n, arg2, 0);
11080 unlock_user(v, arg3, 0);
11081 }
11082 return ret;
11083 case TARGET_NR_getxattr:
11084 case TARGET_NR_lgetxattr:
11085 {
11086 void *p, *n, *v = 0;
11087 if (arg3) {
11088 v = lock_user(VERIFY_WRITE, arg3, arg4, 0);
11089 if (!v) {
11090 return -TARGET_EFAULT;
11091 }
11092 }
11093 p = lock_user_string(arg1);
11094 n = lock_user_string(arg2);
11095 if (p && n) {
11096 if (num == TARGET_NR_getxattr) {
11097 ret = get_errno(getxattr(p, n, v, arg4));
11098 } else {
11099 ret = get_errno(lgetxattr(p, n, v, arg4));
11100 }
11101 } else {
11102 ret = -TARGET_EFAULT;
11103 }
11104 unlock_user(p, arg1, 0);
11105 unlock_user(n, arg2, 0);
11106 unlock_user(v, arg3, arg4);
11107 }
11108 return ret;
11109 case TARGET_NR_fgetxattr:
11110 {
11111 void *n, *v = 0;
11112 if (arg3) {
11113 v = lock_user(VERIFY_WRITE, arg3, arg4, 0);
11114 if (!v) {
11115 return -TARGET_EFAULT;
11116 }
11117 }
11118 n = lock_user_string(arg2);
11119 if (n) {
11120 ret = get_errno(fgetxattr(arg1, n, v, arg4));
11121 } else {
11122 ret = -TARGET_EFAULT;
11123 }
11124 unlock_user(n, arg2, 0);
11125 unlock_user(v, arg3, arg4);
11126 }
11127 return ret;
11128 case TARGET_NR_removexattr:
11129 case TARGET_NR_lremovexattr:
11130 {
11131 void *p, *n;
11132 p = lock_user_string(arg1);
11133 n = lock_user_string(arg2);
11134 if (p && n) {
11135 if (num == TARGET_NR_removexattr) {
11136 ret = get_errno(removexattr(p, n));
11137 } else {
11138 ret = get_errno(lremovexattr(p, n));
11139 }
11140 } else {
11141 ret = -TARGET_EFAULT;
11142 }
11143 unlock_user(p, arg1, 0);
11144 unlock_user(n, arg2, 0);
11145 }
11146 return ret;
11147 case TARGET_NR_fremovexattr:
11148 {
11149 void *n;
11150 n = lock_user_string(arg2);
11151 if (n) {
11152 ret = get_errno(fremovexattr(arg1, n));
11153 } else {
11154 ret = -TARGET_EFAULT;
11155 }
11156 unlock_user(n, arg2, 0);
11157 }
11158 return ret;
11159#endif
11160#endif
11161#ifdef TARGET_NR_set_thread_area
11162 case TARGET_NR_set_thread_area:
11163#if defined(TARGET_MIPS)
11164 ((CPUMIPSState *) cpu_env)->active_tc.CP0_UserLocal = arg1;
11165 return 0;
11166#elif defined(TARGET_CRIS)
11167 if (arg1 & 0xff)
11168 ret = -TARGET_EINVAL;
11169 else {
11170 ((CPUCRISState *) cpu_env)->pregs[PR_PID] = arg1;
11171 ret = 0;
11172 }
11173 return ret;
11174#elif defined(TARGET_I386) && defined(TARGET_ABI32)
11175 return do_set_thread_area(cpu_env, arg1);
11176#elif defined(TARGET_M68K)
11177 {
11178 TaskState *ts = cpu->opaque;
11179 ts->tp_value = arg1;
11180 return 0;
11181 }
11182#else
11183 return -TARGET_ENOSYS;
11184#endif
11185#endif
11186#ifdef TARGET_NR_get_thread_area
11187 case TARGET_NR_get_thread_area:
11188#if defined(TARGET_I386) && defined(TARGET_ABI32)
11189 return do_get_thread_area(cpu_env, arg1);
11190#elif defined(TARGET_M68K)
11191 {
11192 TaskState *ts = cpu->opaque;
11193 return ts->tp_value;
11194 }
11195#else
11196 return -TARGET_ENOSYS;
11197#endif
11198#endif
11199#ifdef TARGET_NR_getdomainname
11200 case TARGET_NR_getdomainname:
11201 return -TARGET_ENOSYS;
11202#endif
11203
11204#ifdef TARGET_NR_clock_settime
11205 case TARGET_NR_clock_settime:
11206 {
11207 struct timespec ts;
11208
11209 ret = target_to_host_timespec(&ts, arg2);
11210 if (!is_error(ret)) {
11211 ret = get_errno(clock_settime(arg1, &ts));
11212 }
11213 return ret;
11214 }
11215#endif
11216#ifdef TARGET_NR_clock_gettime
11217 case TARGET_NR_clock_gettime:
11218 {
11219 struct timespec ts;
11220 ret = get_errno(clock_gettime(arg1, &ts));
11221 if (!is_error(ret)) {
11222 ret = host_to_target_timespec(arg2, &ts);
11223 }
11224 return ret;
11225 }
11226#endif
11227#ifdef TARGET_NR_clock_getres
11228 case TARGET_NR_clock_getres:
11229 {
11230 struct timespec ts;
11231 ret = get_errno(clock_getres(arg1, &ts));
11232 if (!is_error(ret)) {
11233 host_to_target_timespec(arg2, &ts);
11234 }
11235 return ret;
11236 }
11237#endif
11238#ifdef TARGET_NR_clock_nanosleep
11239 case TARGET_NR_clock_nanosleep:
11240 {
11241 struct timespec ts;
11242 target_to_host_timespec(&ts, arg3);
11243 ret = get_errno(safe_clock_nanosleep(arg1, arg2,
11244 &ts, arg4 ? &ts : NULL));
11245 if (arg4)
11246 host_to_target_timespec(arg4, &ts);
11247
11248#if defined(TARGET_PPC)
11249
11250
11251 if (ret && ret != -TARGET_ERESTARTSYS) {
11252 ((CPUPPCState *)cpu_env)->crf[0] |= 1;
11253 }
11254#endif
11255 return ret;
11256 }
11257#endif
11258
11259#if defined(TARGET_NR_set_tid_address) && defined(__NR_set_tid_address)
11260 case TARGET_NR_set_tid_address:
11261 return get_errno(set_tid_address((int *)g2h(arg1)));
11262#endif
11263
11264 case TARGET_NR_tkill:
11265 return get_errno(safe_tkill((int)arg1, target_to_host_signal(arg2)));
11266
11267 case TARGET_NR_tgkill:
11268 return get_errno(safe_tgkill((int)arg1, (int)arg2,
11269 target_to_host_signal(arg3)));
11270
11271#ifdef TARGET_NR_set_robust_list
11272 case TARGET_NR_set_robust_list:
11273 case TARGET_NR_get_robust_list:
11274
11275
11276
11277
11278
11279
11280
11281
11282
11283
11284
11285
11286 return -TARGET_ENOSYS;
11287#endif
11288
11289#if defined(TARGET_NR_utimensat)
11290 case TARGET_NR_utimensat:
11291 {
11292 struct timespec *tsp, ts[2];
11293 if (!arg3) {
11294 tsp = NULL;
11295 } else {
11296 target_to_host_timespec(ts, arg3);
11297 target_to_host_timespec(ts+1, arg3+sizeof(struct target_timespec));
11298 tsp = ts;
11299 }
11300 if (!arg2)
11301 ret = get_errno(sys_utimensat(arg1, NULL, tsp, arg4));
11302 else {
11303 if (!(p = lock_user_string(arg2))) {
11304 return -TARGET_EFAULT;
11305 }
11306 ret = get_errno(sys_utimensat(arg1, path(p), tsp, arg4));
11307 unlock_user(p, arg2, 0);
11308 }
11309 }
11310 return ret;
11311#endif
11312 case TARGET_NR_futex:
11313 return do_futex(arg1, arg2, arg3, arg4, arg5, arg6);
11314#if defined(TARGET_NR_inotify_init) && defined(__NR_inotify_init)
11315 case TARGET_NR_inotify_init:
11316 ret = get_errno(sys_inotify_init());
11317 if (ret >= 0) {
11318 fd_trans_register(ret, &target_inotify_trans);
11319 }
11320 return ret;
11321#endif
11322#ifdef CONFIG_INOTIFY1
11323#if defined(TARGET_NR_inotify_init1) && defined(__NR_inotify_init1)
11324 case TARGET_NR_inotify_init1:
11325 ret = get_errno(sys_inotify_init1(target_to_host_bitmask(arg1,
11326 fcntl_flags_tbl)));
11327 if (ret >= 0) {
11328 fd_trans_register(ret, &target_inotify_trans);
11329 }
11330 return ret;
11331#endif
11332#endif
11333#if defined(TARGET_NR_inotify_add_watch) && defined(__NR_inotify_add_watch)
11334 case TARGET_NR_inotify_add_watch:
11335 p = lock_user_string(arg2);
11336 ret = get_errno(sys_inotify_add_watch(arg1, path(p), arg3));
11337 unlock_user(p, arg2, 0);
11338 return ret;
11339#endif
11340#if defined(TARGET_NR_inotify_rm_watch) && defined(__NR_inotify_rm_watch)
11341 case TARGET_NR_inotify_rm_watch:
11342 return get_errno(sys_inotify_rm_watch(arg1, arg2));
11343#endif
11344
11345#if defined(TARGET_NR_mq_open) && defined(__NR_mq_open)
11346 case TARGET_NR_mq_open:
11347 {
11348 struct mq_attr posix_mq_attr;
11349 struct mq_attr *pposix_mq_attr;
11350 int host_flags;
11351
11352 host_flags = target_to_host_bitmask(arg2, fcntl_flags_tbl);
11353 pposix_mq_attr = NULL;
11354 if (arg4) {
11355 if (copy_from_user_mq_attr(&posix_mq_attr, arg4) != 0) {
11356 return -TARGET_EFAULT;
11357 }
11358 pposix_mq_attr = &posix_mq_attr;
11359 }
11360 p = lock_user_string(arg1 - 1);
11361 if (!p) {
11362 return -TARGET_EFAULT;
11363 }
11364 ret = get_errno(mq_open(p, host_flags, arg3, pposix_mq_attr));
11365 unlock_user (p, arg1, 0);
11366 }
11367 return ret;
11368
11369 case TARGET_NR_mq_unlink:
11370 p = lock_user_string(arg1 - 1);
11371 if (!p) {
11372 return -TARGET_EFAULT;
11373 }
11374 ret = get_errno(mq_unlink(p));
11375 unlock_user (p, arg1, 0);
11376 return ret;
11377
11378 case TARGET_NR_mq_timedsend:
11379 {
11380 struct timespec ts;
11381
11382 p = lock_user (VERIFY_READ, arg2, arg3, 1);
11383 if (arg5 != 0) {
11384 target_to_host_timespec(&ts, arg5);
11385 ret = get_errno(safe_mq_timedsend(arg1, p, arg3, arg4, &ts));
11386 host_to_target_timespec(arg5, &ts);
11387 } else {
11388 ret = get_errno(safe_mq_timedsend(arg1, p, arg3, arg4, NULL));
11389 }
11390 unlock_user (p, arg2, arg3);
11391 }
11392 return ret;
11393
11394 case TARGET_NR_mq_timedreceive:
11395 {
11396 struct timespec ts;
11397 unsigned int prio;
11398
11399 p = lock_user (VERIFY_READ, arg2, arg3, 1);
11400 if (arg5 != 0) {
11401 target_to_host_timespec(&ts, arg5);
11402 ret = get_errno(safe_mq_timedreceive(arg1, p, arg3,
11403 &prio, &ts));
11404 host_to_target_timespec(arg5, &ts);
11405 } else {
11406 ret = get_errno(safe_mq_timedreceive(arg1, p, arg3,
11407 &prio, NULL));
11408 }
11409 unlock_user (p, arg2, arg3);
11410 if (arg4 != 0)
11411 put_user_u32(prio, arg4);
11412 }
11413 return ret;
11414
11415
11416
11417
11418
11419 case TARGET_NR_mq_getsetattr:
11420 {
11421 struct mq_attr posix_mq_attr_in, posix_mq_attr_out;
11422 ret = 0;
11423 if (arg2 != 0) {
11424 copy_from_user_mq_attr(&posix_mq_attr_in, arg2);
11425 ret = get_errno(mq_setattr(arg1, &posix_mq_attr_in,
11426 &posix_mq_attr_out));
11427 } else if (arg3 != 0) {
11428 ret = get_errno(mq_getattr(arg1, &posix_mq_attr_out));
11429 }
11430 if (ret == 0 && arg3 != 0) {
11431 copy_to_user_mq_attr(arg3, &posix_mq_attr_out);
11432 }
11433 }
11434 return ret;
11435#endif
11436
11437#ifdef CONFIG_SPLICE
11438#ifdef TARGET_NR_tee
11439 case TARGET_NR_tee:
11440 {
11441 ret = get_errno(tee(arg1,arg2,arg3,arg4));
11442 }
11443 return ret;
11444#endif
11445#ifdef TARGET_NR_splice
11446 case TARGET_NR_splice:
11447 {
11448 loff_t loff_in, loff_out;
11449 loff_t *ploff_in = NULL, *ploff_out = NULL;
11450 if (arg2) {
11451 if (get_user_u64(loff_in, arg2)) {
11452 return -TARGET_EFAULT;
11453 }
11454 ploff_in = &loff_in;
11455 }
11456 if (arg4) {
11457 if (get_user_u64(loff_out, arg4)) {
11458 return -TARGET_EFAULT;
11459 }
11460 ploff_out = &loff_out;
11461 }
11462 ret = get_errno(splice(arg1, ploff_in, arg3, ploff_out, arg5, arg6));
11463 if (arg2) {
11464 if (put_user_u64(loff_in, arg2)) {
11465 return -TARGET_EFAULT;
11466 }
11467 }
11468 if (arg4) {
11469 if (put_user_u64(loff_out, arg4)) {
11470 return -TARGET_EFAULT;
11471 }
11472 }
11473 }
11474 return ret;
11475#endif
11476#ifdef TARGET_NR_vmsplice
11477 case TARGET_NR_vmsplice:
11478 {
11479 struct iovec *vec = lock_iovec(VERIFY_READ, arg2, arg3, 1);
11480 if (vec != NULL) {
11481 ret = get_errno(vmsplice(arg1, vec, arg3, arg4));
11482 unlock_iovec(vec, arg2, arg3, 0);
11483 } else {
11484 ret = -host_to_target_errno(errno);
11485 }
11486 }
11487 return ret;
11488#endif
11489#endif
11490#ifdef CONFIG_EVENTFD
11491#if defined(TARGET_NR_eventfd)
11492 case TARGET_NR_eventfd:
11493 ret = get_errno(eventfd(arg1, 0));
11494 if (ret >= 0) {
11495 fd_trans_register(ret, &target_eventfd_trans);
11496 }
11497 return ret;
11498#endif
11499#if defined(TARGET_NR_eventfd2)
11500 case TARGET_NR_eventfd2:
11501 {
11502 int host_flags = arg2 & (~(TARGET_O_NONBLOCK | TARGET_O_CLOEXEC));
11503 if (arg2 & TARGET_O_NONBLOCK) {
11504 host_flags |= O_NONBLOCK;
11505 }
11506 if (arg2 & TARGET_O_CLOEXEC) {
11507 host_flags |= O_CLOEXEC;
11508 }
11509 ret = get_errno(eventfd(arg1, host_flags));
11510 if (ret >= 0) {
11511 fd_trans_register(ret, &target_eventfd_trans);
11512 }
11513 return ret;
11514 }
11515#endif
11516#endif
11517#if defined(CONFIG_FALLOCATE) && defined(TARGET_NR_fallocate)
11518 case TARGET_NR_fallocate:
11519#if TARGET_ABI_BITS == 32
11520 ret = get_errno(fallocate(arg1, arg2, target_offset64(arg3, arg4),
11521 target_offset64(arg5, arg6)));
11522#else
11523 ret = get_errno(fallocate(arg1, arg2, arg3, arg4));
11524#endif
11525 return ret;
11526#endif
11527#if defined(CONFIG_SYNC_FILE_RANGE)
11528#if defined(TARGET_NR_sync_file_range)
11529 case TARGET_NR_sync_file_range:
11530#if TARGET_ABI_BITS == 32
11531#if defined(TARGET_MIPS)
11532 ret = get_errno(sync_file_range(arg1, target_offset64(arg3, arg4),
11533 target_offset64(arg5, arg6), arg7));
11534#else
11535 ret = get_errno(sync_file_range(arg1, target_offset64(arg2, arg3),
11536 target_offset64(arg4, arg5), arg6));
11537#endif
11538#else
11539 ret = get_errno(sync_file_range(arg1, arg2, arg3, arg4));
11540#endif
11541 return ret;
11542#endif
11543#if defined(TARGET_NR_sync_file_range2)
11544 case TARGET_NR_sync_file_range2:
11545
11546#if TARGET_ABI_BITS == 32
11547 ret = get_errno(sync_file_range(arg1, target_offset64(arg3, arg4),
11548 target_offset64(arg5, arg6), arg2));
11549#else
11550 ret = get_errno(sync_file_range(arg1, arg3, arg4, arg2));
11551#endif
11552 return ret;
11553#endif
11554#endif
11555#if defined(TARGET_NR_signalfd4)
11556 case TARGET_NR_signalfd4:
11557 return do_signalfd4(arg1, arg2, arg4);
11558#endif
11559#if defined(TARGET_NR_signalfd)
11560 case TARGET_NR_signalfd:
11561 return do_signalfd4(arg1, arg2, 0);
11562#endif
11563#if defined(CONFIG_EPOLL)
11564#if defined(TARGET_NR_epoll_create)
11565 case TARGET_NR_epoll_create:
11566 return get_errno(epoll_create(arg1));
11567#endif
11568#if defined(TARGET_NR_epoll_create1) && defined(CONFIG_EPOLL_CREATE1)
11569 case TARGET_NR_epoll_create1:
11570 return get_errno(epoll_create1(arg1));
11571#endif
11572#if defined(TARGET_NR_epoll_ctl)
11573 case TARGET_NR_epoll_ctl:
11574 {
11575 struct epoll_event ep;
11576 struct epoll_event *epp = 0;
11577 if (arg4) {
11578 struct target_epoll_event *target_ep;
11579 if (!lock_user_struct(VERIFY_READ, target_ep, arg4, 1)) {
11580 return -TARGET_EFAULT;
11581 }
11582 ep.events = tswap32(target_ep->events);
11583
11584
11585
11586
11587 ep.data.u64 = tswap64(target_ep->data.u64);
11588 unlock_user_struct(target_ep, arg4, 0);
11589 epp = &ep;
11590 }
11591 return get_errno(epoll_ctl(arg1, arg2, arg3, epp));
11592 }
11593#endif
11594
11595#if defined(TARGET_NR_epoll_wait) || defined(TARGET_NR_epoll_pwait)
11596#if defined(TARGET_NR_epoll_wait)
11597 case TARGET_NR_epoll_wait:
11598#endif
11599#if defined(TARGET_NR_epoll_pwait)
11600 case TARGET_NR_epoll_pwait:
11601#endif
11602 {
11603 struct target_epoll_event *target_ep;
11604 struct epoll_event *ep;
11605 int epfd = arg1;
11606 int maxevents = arg3;
11607 int timeout = arg4;
11608
11609 if (maxevents <= 0 || maxevents > TARGET_EP_MAX_EVENTS) {
11610 return -TARGET_EINVAL;
11611 }
11612
11613 target_ep = lock_user(VERIFY_WRITE, arg2,
11614 maxevents * sizeof(struct target_epoll_event), 1);
11615 if (!target_ep) {
11616 return -TARGET_EFAULT;
11617 }
11618
11619 ep = g_try_new(struct epoll_event, maxevents);
11620 if (!ep) {
11621 unlock_user(target_ep, arg2, 0);
11622 return -TARGET_ENOMEM;
11623 }
11624
11625 switch (num) {
11626#if defined(TARGET_NR_epoll_pwait)
11627 case TARGET_NR_epoll_pwait:
11628 {
11629 target_sigset_t *target_set;
11630 sigset_t _set, *set = &_set;
11631
11632 if (arg5) {
11633 if (arg6 != sizeof(target_sigset_t)) {
11634 ret = -TARGET_EINVAL;
11635 break;
11636 }
11637
11638 target_set = lock_user(VERIFY_READ, arg5,
11639 sizeof(target_sigset_t), 1);
11640 if (!target_set) {
11641 ret = -TARGET_EFAULT;
11642 break;
11643 }
11644 target_to_host_sigset(set, target_set);
11645 unlock_user(target_set, arg5, 0);
11646 } else {
11647 set = NULL;
11648 }
11649
11650 ret = get_errno(safe_epoll_pwait(epfd, ep, maxevents, timeout,
11651 set, SIGSET_T_SIZE));
11652 break;
11653 }
11654#endif
11655#if defined(TARGET_NR_epoll_wait)
11656 case TARGET_NR_epoll_wait:
11657 ret = get_errno(safe_epoll_pwait(epfd, ep, maxevents, timeout,
11658 NULL, 0));
11659 break;
11660#endif
11661 default:
11662 ret = -TARGET_ENOSYS;
11663 }
11664 if (!is_error(ret)) {
11665 int i;
11666 for (i = 0; i < ret; i++) {
11667 target_ep[i].events = tswap32(ep[i].events);
11668 target_ep[i].data.u64 = tswap64(ep[i].data.u64);
11669 }
11670 unlock_user(target_ep, arg2,
11671 ret * sizeof(struct target_epoll_event));
11672 } else {
11673 unlock_user(target_ep, arg2, 0);
11674 }
11675 g_free(ep);
11676 return ret;
11677 }
11678#endif
11679#endif
11680#ifdef TARGET_NR_prlimit64
11681 case TARGET_NR_prlimit64:
11682 {
11683
11684 struct target_rlimit64 *target_rnew, *target_rold;
11685 struct host_rlimit64 rnew, rold, *rnewp = 0;
11686 int resource = target_to_host_resource(arg2);
11687 if (arg3) {
11688 if (!lock_user_struct(VERIFY_READ, target_rnew, arg3, 1)) {
11689 return -TARGET_EFAULT;
11690 }
11691 rnew.rlim_cur = tswap64(target_rnew->rlim_cur);
11692 rnew.rlim_max = tswap64(target_rnew->rlim_max);
11693 unlock_user_struct(target_rnew, arg3, 0);
11694 rnewp = &rnew;
11695 }
11696
11697 ret = get_errno(sys_prlimit64(arg1, resource, rnewp, arg4 ? &rold : 0));
11698 if (!is_error(ret) && arg4) {
11699 if (!lock_user_struct(VERIFY_WRITE, target_rold, arg4, 1)) {
11700 return -TARGET_EFAULT;
11701 }
11702 target_rold->rlim_cur = tswap64(rold.rlim_cur);
11703 target_rold->rlim_max = tswap64(rold.rlim_max);
11704 unlock_user_struct(target_rold, arg4, 1);
11705 }
11706 return ret;
11707 }
11708#endif
11709#ifdef TARGET_NR_gethostname
11710 case TARGET_NR_gethostname:
11711 {
11712 char *name = lock_user(VERIFY_WRITE, arg1, arg2, 0);
11713 if (name) {
11714 ret = get_errno(gethostname(name, arg2));
11715 unlock_user(name, arg1, arg2);
11716 } else {
11717 ret = -TARGET_EFAULT;
11718 }
11719 return ret;
11720 }
11721#endif
11722#ifdef TARGET_NR_atomic_cmpxchg_32
11723 case TARGET_NR_atomic_cmpxchg_32:
11724 {
11725
11726 abi_ulong mem_value;
11727 if (get_user_u32(mem_value, arg6)) {
11728 target_siginfo_t info;
11729 info.si_signo = SIGSEGV;
11730 info.si_errno = 0;
11731 info.si_code = TARGET_SEGV_MAPERR;
11732 info._sifields._sigfault._addr = arg6;
11733 queue_signal((CPUArchState *)cpu_env, info.si_signo,
11734 QEMU_SI_FAULT, &info);
11735 ret = 0xdeadbeef;
11736
11737 }
11738 if (mem_value == arg2)
11739 put_user_u32(arg1, arg6);
11740 return mem_value;
11741 }
11742#endif
11743#ifdef TARGET_NR_atomic_barrier
11744 case TARGET_NR_atomic_barrier:
11745
11746
11747 return 0;
11748#endif
11749
11750#ifdef TARGET_NR_timer_create
11751 case TARGET_NR_timer_create:
11752 {
11753
11754
11755 struct sigevent host_sevp = { {0}, }, *phost_sevp = NULL;
11756
11757 int clkid = arg1;
11758 int timer_index = next_free_host_timer();
11759
11760 if (timer_index < 0) {
11761 ret = -TARGET_EAGAIN;
11762 } else {
11763 timer_t *phtimer = g_posix_timers + timer_index;
11764
11765 if (arg2) {
11766 phost_sevp = &host_sevp;
11767 ret = target_to_host_sigevent(phost_sevp, arg2);
11768 if (ret != 0) {
11769 return ret;
11770 }
11771 }
11772
11773 ret = get_errno(timer_create(clkid, phost_sevp, phtimer));
11774 if (ret) {
11775 phtimer = NULL;
11776 } else {
11777 if (put_user(TIMER_MAGIC | timer_index, arg3, target_timer_t)) {
11778 return -TARGET_EFAULT;
11779 }
11780 }
11781 }
11782 return ret;
11783 }
11784#endif
11785
11786#ifdef TARGET_NR_timer_settime
11787 case TARGET_NR_timer_settime:
11788 {
11789
11790
11791 target_timer_t timerid = get_timer_id(arg1);
11792
11793 if (timerid < 0) {
11794 ret = timerid;
11795 } else if (arg3 == 0) {
11796 ret = -TARGET_EINVAL;
11797 } else {
11798 timer_t htimer = g_posix_timers[timerid];
11799 struct itimerspec hspec_new = {{0},}, hspec_old = {{0},};
11800
11801 if (target_to_host_itimerspec(&hspec_new, arg3)) {
11802 return -TARGET_EFAULT;
11803 }
11804 ret = get_errno(
11805 timer_settime(htimer, arg2, &hspec_new, &hspec_old));
11806 if (arg4 && host_to_target_itimerspec(arg4, &hspec_old)) {
11807 return -TARGET_EFAULT;
11808 }
11809 }
11810 return ret;
11811 }
11812#endif
11813
11814#ifdef TARGET_NR_timer_gettime
11815 case TARGET_NR_timer_gettime:
11816 {
11817
11818 target_timer_t timerid = get_timer_id(arg1);
11819
11820 if (timerid < 0) {
11821 ret = timerid;
11822 } else if (!arg2) {
11823 ret = -TARGET_EFAULT;
11824 } else {
11825 timer_t htimer = g_posix_timers[timerid];
11826 struct itimerspec hspec;
11827 ret = get_errno(timer_gettime(htimer, &hspec));
11828
11829 if (host_to_target_itimerspec(arg2, &hspec)) {
11830 ret = -TARGET_EFAULT;
11831 }
11832 }
11833 return ret;
11834 }
11835#endif
11836
11837#ifdef TARGET_NR_timer_getoverrun
11838 case TARGET_NR_timer_getoverrun:
11839 {
11840
11841 target_timer_t timerid = get_timer_id(arg1);
11842
11843 if (timerid < 0) {
11844 ret = timerid;
11845 } else {
11846 timer_t htimer = g_posix_timers[timerid];
11847 ret = get_errno(timer_getoverrun(htimer));
11848 }
11849 fd_trans_unregister(ret);
11850 return ret;
11851 }
11852#endif
11853
11854#ifdef TARGET_NR_timer_delete
11855 case TARGET_NR_timer_delete:
11856 {
11857
11858 target_timer_t timerid = get_timer_id(arg1);
11859
11860 if (timerid < 0) {
11861 ret = timerid;
11862 } else {
11863 timer_t htimer = g_posix_timers[timerid];
11864 ret = get_errno(timer_delete(htimer));
11865 g_posix_timers[timerid] = 0;
11866 }
11867 return ret;
11868 }
11869#endif
11870
11871#if defined(TARGET_NR_timerfd_create) && defined(CONFIG_TIMERFD)
11872 case TARGET_NR_timerfd_create:
11873 return get_errno(timerfd_create(arg1,
11874 target_to_host_bitmask(arg2, fcntl_flags_tbl)));
11875#endif
11876
11877#if defined(TARGET_NR_timerfd_gettime) && defined(CONFIG_TIMERFD)
11878 case TARGET_NR_timerfd_gettime:
11879 {
11880 struct itimerspec its_curr;
11881
11882 ret = get_errno(timerfd_gettime(arg1, &its_curr));
11883
11884 if (arg2 && host_to_target_itimerspec(arg2, &its_curr)) {
11885 return -TARGET_EFAULT;
11886 }
11887 }
11888 return ret;
11889#endif
11890
11891#if defined(TARGET_NR_timerfd_settime) && defined(CONFIG_TIMERFD)
11892 case TARGET_NR_timerfd_settime:
11893 {
11894 struct itimerspec its_new, its_old, *p_new;
11895
11896 if (arg3) {
11897 if (target_to_host_itimerspec(&its_new, arg3)) {
11898 return -TARGET_EFAULT;
11899 }
11900 p_new = &its_new;
11901 } else {
11902 p_new = NULL;
11903 }
11904
11905 ret = get_errno(timerfd_settime(arg1, arg2, p_new, &its_old));
11906
11907 if (arg4 && host_to_target_itimerspec(arg4, &its_old)) {
11908 return -TARGET_EFAULT;
11909 }
11910 }
11911 return ret;
11912#endif
11913
11914#if defined(TARGET_NR_ioprio_get) && defined(__NR_ioprio_get)
11915 case TARGET_NR_ioprio_get:
11916 return get_errno(ioprio_get(arg1, arg2));
11917#endif
11918
11919#if defined(TARGET_NR_ioprio_set) && defined(__NR_ioprio_set)
11920 case TARGET_NR_ioprio_set:
11921 return get_errno(ioprio_set(arg1, arg2, arg3));
11922#endif
11923
11924#if defined(TARGET_NR_setns) && defined(CONFIG_SETNS)
11925 case TARGET_NR_setns:
11926 return get_errno(setns(arg1, arg2));
11927#endif
11928#if defined(TARGET_NR_unshare) && defined(CONFIG_SETNS)
11929 case TARGET_NR_unshare:
11930 return get_errno(unshare(arg1));
11931#endif
11932#if defined(TARGET_NR_kcmp) && defined(__NR_kcmp)
11933 case TARGET_NR_kcmp:
11934 return get_errno(kcmp(arg1, arg2, arg3, arg4, arg5));
11935#endif
11936#ifdef TARGET_NR_swapcontext
11937 case TARGET_NR_swapcontext:
11938
11939 return do_swapcontext(cpu_env, arg1, arg2, arg3);
11940#endif
11941
11942 default:
11943 qemu_log_mask(LOG_UNIMP, "Unsupported syscall: %d\n", num);
11944 return -TARGET_ENOSYS;
11945 }
11946 return ret;
11947}
11948
11949abi_long do_syscall(void *cpu_env, int num, abi_long arg1,
11950 abi_long arg2, abi_long arg3, abi_long arg4,
11951 abi_long arg5, abi_long arg6, abi_long arg7,
11952 abi_long arg8)
11953{
11954 CPUState *cpu = env_cpu(cpu_env);
11955 abi_long ret;
11956
11957#ifdef DEBUG_ERESTARTSYS
11958
11959
11960
11961
11962 {
11963 static bool flag;
11964 flag = !flag;
11965 if (flag) {
11966 return -TARGET_ERESTARTSYS;
11967 }
11968 }
11969#endif
11970
11971 trace_guest_user_syscall(cpu, num, arg1, arg2, arg3, arg4,
11972 arg5, arg6, arg7, arg8);
11973
11974 if (unlikely(do_strace)) {
11975 print_syscall(num, arg1, arg2, arg3, arg4, arg5, arg6);
11976 ret = do_syscall1(cpu_env, num, arg1, arg2, arg3, arg4,
11977 arg5, arg6, arg7, arg8);
11978 print_syscall_ret(num, ret);
11979 } else {
11980 ret = do_syscall1(cpu_env, num, arg1, arg2, arg3, arg4,
11981 arg5, arg6, arg7, arg8);
11982 }
11983
11984 trace_guest_user_syscall_ret(cpu, num, ret);
11985 return ret;
11986}
11987
