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