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19#define _ATFILE_SOURCE
20#include "qemu/osdep.h"
21#include "qemu/cutils.h"
22#include "qemu/path.h"
23#include "qemu/memfd.h"
24#include "qemu/queue.h"
25#include <elf.h>
26#include <endian.h>
27#include <grp.h>
28#include <sys/ipc.h>
29#include <sys/msg.h>
30#include <sys/wait.h>
31#include <sys/mount.h>
32#include <sys/file.h>
33#include <sys/fsuid.h>
34#include <sys/personality.h>
35#include <sys/prctl.h>
36#include <sys/resource.h>
37#include <sys/swap.h>
38#include <linux/capability.h>
39#include <sched.h>
40#include <sys/timex.h>
41#include <sys/socket.h>
42#include <linux/sockios.h>
43#include <sys/un.h>
44#include <sys/uio.h>
45#include <poll.h>
46#include <sys/times.h>
47#include <sys/shm.h>
48#include <sys/sem.h>
49#include <sys/statfs.h>
50#include <utime.h>
51#include <sys/sysinfo.h>
52#include <sys/signalfd.h>
53
54#include <netinet/ip.h>
55#include <netinet/tcp.h>
56#include <linux/wireless.h>
57#include <linux/icmp.h>
58#include <linux/icmpv6.h>
59#include <linux/errqueue.h>
60#include <linux/random.h>
61#ifdef CONFIG_TIMERFD
62#include <sys/timerfd.h>
63#endif
64#ifdef CONFIG_EVENTFD
65#include <sys/eventfd.h>
66#endif
67#ifdef CONFIG_EPOLL
68#include <sys/epoll.h>
69#endif
70#ifdef CONFIG_ATTR
71#include "qemu/xattr.h"
72#endif
73#ifdef CONFIG_SENDFILE
74#include <sys/sendfile.h>
75#endif
76
77#define termios host_termios
78#define winsize host_winsize
79#define termio host_termio
80#define sgttyb host_sgttyb
81#define tchars host_tchars
82#define ltchars host_ltchars
83
84#include <linux/termios.h>
85#include <linux/unistd.h>
86#include <linux/cdrom.h>
87#include <linux/hdreg.h>
88#include <linux/soundcard.h>
89#include <linux/kd.h>
90#include <linux/mtio.h>
91#include <linux/fs.h>
92#include <linux/fd.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/if_alg.h>
110#include "linux_loop.h"
111#include "uname.h"
112
113#include "qemu.h"
114#include "qemu/guest-random.h"
115#include "user/syscall-trace.h"
116#include "qapi/error.h"
117#include "fd-trans.h"
118
119#ifndef CLONE_IO
120#define CLONE_IO 0x80000000
121#endif
122
123
124
125
126
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128
129
130
131
132
133
134#define CLONE_THREAD_FLAGS \
135 (CLONE_VM | CLONE_FS | CLONE_FILES | \
136 CLONE_SIGHAND | CLONE_THREAD | CLONE_SYSVSEM)
137
138
139
140
141
142#define CLONE_IGNORED_FLAGS \
143 (CLONE_DETACHED | CLONE_IO)
144
145
146#define CLONE_OPTIONAL_FORK_FLAGS \
147 (CLONE_SETTLS | CLONE_PARENT_SETTID | \
148 CLONE_CHILD_CLEARTID | CLONE_CHILD_SETTID)
149
150
151#define CLONE_OPTIONAL_THREAD_FLAGS \
152 (CLONE_SETTLS | CLONE_PARENT_SETTID | \
153 CLONE_CHILD_CLEARTID | CLONE_CHILD_SETTID | CLONE_PARENT)
154
155#define CLONE_INVALID_FORK_FLAGS \
156 (~(CSIGNAL | CLONE_OPTIONAL_FORK_FLAGS | CLONE_IGNORED_FLAGS))
157
158#define CLONE_INVALID_THREAD_FLAGS \
159 (~(CSIGNAL | CLONE_THREAD_FLAGS | CLONE_OPTIONAL_THREAD_FLAGS | \
160 CLONE_IGNORED_FLAGS))
161
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171
172
173
174
175
176#define VFAT_IOCTL_READDIR_BOTH _IOR('r', 1, struct linux_dirent [2])
177#define VFAT_IOCTL_READDIR_SHORT _IOR('r', 2, struct linux_dirent [2])
178
179#undef _syscall0
180#undef _syscall1
181#undef _syscall2
182#undef _syscall3
183#undef _syscall4
184#undef _syscall5
185#undef _syscall6
186
187#define _syscall0(type,name) \
188static type name (void) \
189{ \
190 return syscall(__NR_##name); \
191}
192
193#define _syscall1(type,name,type1,arg1) \
194static type name (type1 arg1) \
195{ \
196 return syscall(__NR_##name, arg1); \
197}
198
199#define _syscall2(type,name,type1,arg1,type2,arg2) \
200static type name (type1 arg1,type2 arg2) \
201{ \
202 return syscall(__NR_##name, arg1, arg2); \
203}
204
205#define _syscall3(type,name,type1,arg1,type2,arg2,type3,arg3) \
206static type name (type1 arg1,type2 arg2,type3 arg3) \
207{ \
208 return syscall(__NR_##name, arg1, arg2, arg3); \
209}
210
211#define _syscall4(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4) \
212static type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4) \
213{ \
214 return syscall(__NR_##name, arg1, arg2, arg3, arg4); \
215}
216
217#define _syscall5(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4, \
218 type5,arg5) \
219static type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4,type5 arg5) \
220{ \
221 return syscall(__NR_##name, arg1, arg2, arg3, arg4, arg5); \
222}
223
224
225#define _syscall6(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4, \
226 type5,arg5,type6,arg6) \
227static type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4,type5 arg5, \
228 type6 arg6) \
229{ \
230 return syscall(__NR_##name, arg1, arg2, arg3, arg4, arg5, arg6); \
231}
232
233
234#define __NR_sys_uname __NR_uname
235#define __NR_sys_getcwd1 __NR_getcwd
236#define __NR_sys_getdents __NR_getdents
237#define __NR_sys_getdents64 __NR_getdents64
238#define __NR_sys_getpriority __NR_getpriority
239#define __NR_sys_rt_sigqueueinfo __NR_rt_sigqueueinfo
240#define __NR_sys_rt_tgsigqueueinfo __NR_rt_tgsigqueueinfo
241#define __NR_sys_syslog __NR_syslog
242#define __NR_sys_futex __NR_futex
243#define __NR_sys_inotify_init __NR_inotify_init
244#define __NR_sys_inotify_add_watch __NR_inotify_add_watch
245#define __NR_sys_inotify_rm_watch __NR_inotify_rm_watch
246#define __NR_sys_statx __NR_statx
247
248#if defined(__alpha__) || defined(__x86_64__) || defined(__s390x__)
249#define __NR__llseek __NR_lseek
250#endif
251
252
253#if defined(TARGET_NR_llseek) && !defined(TARGET_NR__llseek)
254#define TARGET_NR__llseek TARGET_NR_llseek
255#endif
256
257#define __NR_sys_gettid __NR_gettid
258_syscall0(int, sys_gettid)
259
260
261
262
263
264
265
266#if defined(__NR_getdents) && HOST_LONG_BITS >= TARGET_ABI_BITS
267#define EMULATE_GETDENTS_WITH_GETDENTS
268#endif
269
270#if defined(TARGET_NR_getdents) && defined(EMULATE_GETDENTS_WITH_GETDENTS)
271_syscall3(int, sys_getdents, uint, fd, struct linux_dirent *, dirp, uint, count);
272#endif
273#if (defined(TARGET_NR_getdents) && \
274 !defined(EMULATE_GETDENTS_WITH_GETDENTS)) || \
275 (defined(TARGET_NR_getdents64) && defined(__NR_getdents64))
276_syscall3(int, sys_getdents64, uint, fd, struct linux_dirent64 *, dirp, uint, count);
277#endif
278#if defined(TARGET_NR__llseek) && defined(__NR_llseek)
279_syscall5(int, _llseek, uint, fd, ulong, hi, ulong, lo,
280 loff_t *, res, uint, wh);
281#endif
282_syscall3(int, sys_rt_sigqueueinfo, pid_t, pid, int, sig, siginfo_t *, uinfo)
283_syscall4(int, sys_rt_tgsigqueueinfo, pid_t, pid, pid_t, tid, int, sig,
284 siginfo_t *, uinfo)
285_syscall3(int,sys_syslog,int,type,char*,bufp,int,len)
286#ifdef __NR_exit_group
287_syscall1(int,exit_group,int,error_code)
288#endif
289#if defined(TARGET_NR_set_tid_address) && defined(__NR_set_tid_address)
290_syscall1(int,set_tid_address,int *,tidptr)
291#endif
292#if defined(TARGET_NR_futex) && defined(__NR_futex)
293_syscall6(int,sys_futex,int *,uaddr,int,op,int,val,
294 const struct timespec *,timeout,int *,uaddr2,int,val3)
295#endif
296#define __NR_sys_sched_getaffinity __NR_sched_getaffinity
297_syscall3(int, sys_sched_getaffinity, pid_t, pid, unsigned int, len,
298 unsigned long *, user_mask_ptr);
299#define __NR_sys_sched_setaffinity __NR_sched_setaffinity
300_syscall3(int, sys_sched_setaffinity, pid_t, pid, unsigned int, len,
301 unsigned long *, user_mask_ptr);
302#define __NR_sys_getcpu __NR_getcpu
303_syscall3(int, sys_getcpu, unsigned *, cpu, unsigned *, node, void *, tcache);
304_syscall4(int, reboot, int, magic1, int, magic2, unsigned int, cmd,
305 void *, arg);
306_syscall2(int, capget, struct __user_cap_header_struct *, header,
307 struct __user_cap_data_struct *, data);
308_syscall2(int, capset, struct __user_cap_header_struct *, header,
309 struct __user_cap_data_struct *, data);
310#if defined(TARGET_NR_ioprio_get) && defined(__NR_ioprio_get)
311_syscall2(int, ioprio_get, int, which, int, who)
312#endif
313#if defined(TARGET_NR_ioprio_set) && defined(__NR_ioprio_set)
314_syscall3(int, ioprio_set, int, which, int, who, int, ioprio)
315#endif
316#if defined(TARGET_NR_getrandom) && defined(__NR_getrandom)
317_syscall3(int, getrandom, void *, buf, size_t, buflen, unsigned int, flags)
318#endif
319
320#if defined(TARGET_NR_kcmp) && defined(__NR_kcmp)
321_syscall5(int, kcmp, pid_t, pid1, pid_t, pid2, int, type,
322 unsigned long, idx1, unsigned long, idx2)
323#endif
324
325
326
327
328#if defined(TARGET_NR_statx) && defined(__NR_statx)
329_syscall5(int, sys_statx, int, dirfd, const char *, pathname, int, flags,
330 unsigned int, mask, struct target_statx *, statxbuf)
331#endif
332
333static bitmask_transtbl fcntl_flags_tbl[] = {
334 { TARGET_O_ACCMODE, TARGET_O_WRONLY, O_ACCMODE, O_WRONLY, },
335 { TARGET_O_ACCMODE, TARGET_O_RDWR, O_ACCMODE, O_RDWR, },
336 { TARGET_O_CREAT, TARGET_O_CREAT, O_CREAT, O_CREAT, },
337 { TARGET_O_EXCL, TARGET_O_EXCL, O_EXCL, O_EXCL, },
338 { TARGET_O_NOCTTY, TARGET_O_NOCTTY, O_NOCTTY, O_NOCTTY, },
339 { TARGET_O_TRUNC, TARGET_O_TRUNC, O_TRUNC, O_TRUNC, },
340 { TARGET_O_APPEND, TARGET_O_APPEND, O_APPEND, O_APPEND, },
341 { TARGET_O_NONBLOCK, TARGET_O_NONBLOCK, O_NONBLOCK, O_NONBLOCK, },
342 { TARGET_O_SYNC, TARGET_O_DSYNC, O_SYNC, O_DSYNC, },
343 { TARGET_O_SYNC, TARGET_O_SYNC, O_SYNC, O_SYNC, },
344 { TARGET_FASYNC, TARGET_FASYNC, FASYNC, FASYNC, },
345 { TARGET_O_DIRECTORY, TARGET_O_DIRECTORY, O_DIRECTORY, O_DIRECTORY, },
346 { TARGET_O_NOFOLLOW, TARGET_O_NOFOLLOW, O_NOFOLLOW, O_NOFOLLOW, },
347#if defined(O_DIRECT)
348 { TARGET_O_DIRECT, TARGET_O_DIRECT, O_DIRECT, O_DIRECT, },
349#endif
350#if defined(O_NOATIME)
351 { TARGET_O_NOATIME, TARGET_O_NOATIME, O_NOATIME, O_NOATIME },
352#endif
353#if defined(O_CLOEXEC)
354 { TARGET_O_CLOEXEC, TARGET_O_CLOEXEC, O_CLOEXEC, O_CLOEXEC },
355#endif
356#if defined(O_PATH)
357 { TARGET_O_PATH, TARGET_O_PATH, O_PATH, O_PATH },
358#endif
359#if defined(O_TMPFILE)
360 { TARGET_O_TMPFILE, TARGET_O_TMPFILE, O_TMPFILE, O_TMPFILE },
361#endif
362
363#if TARGET_O_LARGEFILE != 0 || O_LARGEFILE != 0
364 { TARGET_O_LARGEFILE, TARGET_O_LARGEFILE, O_LARGEFILE, O_LARGEFILE, },
365#endif
366 { 0, 0, 0, 0 }
367};
368
369static int sys_getcwd1(char *buf, size_t size)
370{
371 if (getcwd(buf, size) == NULL) {
372
373 return (-1);
374 }
375 return strlen(buf)+1;
376}
377
378#ifdef TARGET_NR_utimensat
379#if defined(__NR_utimensat)
380#define __NR_sys_utimensat __NR_utimensat
381_syscall4(int,sys_utimensat,int,dirfd,const char *,pathname,
382 const struct timespec *,tsp,int,flags)
383#else
384static int sys_utimensat(int dirfd, const char *pathname,
385 const struct timespec times[2], int flags)
386{
387 errno = ENOSYS;
388 return -1;
389}
390#endif
391#endif
392
393#ifdef TARGET_NR_renameat2
394#if defined(__NR_renameat2)
395#define __NR_sys_renameat2 __NR_renameat2
396_syscall5(int, sys_renameat2, int, oldfd, const char *, old, int, newfd,
397 const char *, new, unsigned int, flags)
398#else
399static int sys_renameat2(int oldfd, const char *old,
400 int newfd, const char *new, int flags)
401{
402 if (flags == 0) {
403 return renameat(oldfd, old, newfd, new);
404 }
405 errno = ENOSYS;
406 return -1;
407}
408#endif
409#endif
410
411#ifdef CONFIG_INOTIFY
412#include <sys/inotify.h>
413
414#if defined(TARGET_NR_inotify_init) && defined(__NR_inotify_init)
415static int sys_inotify_init(void)
416{
417 return (inotify_init());
418}
419#endif
420#if defined(TARGET_NR_inotify_add_watch) && defined(__NR_inotify_add_watch)
421static int sys_inotify_add_watch(int fd,const char *pathname, int32_t mask)
422{
423 return (inotify_add_watch(fd, pathname, mask));
424}
425#endif
426#if defined(TARGET_NR_inotify_rm_watch) && defined(__NR_inotify_rm_watch)
427static int sys_inotify_rm_watch(int fd, int32_t wd)
428{
429 return (inotify_rm_watch(fd, wd));
430}
431#endif
432#ifdef CONFIG_INOTIFY1
433#if defined(TARGET_NR_inotify_init1) && defined(__NR_inotify_init1)
434static int sys_inotify_init1(int flags)
435{
436 return (inotify_init1(flags));
437}
438#endif
439#endif
440#else
441
442#undef TARGET_NR_inotify_init
443#undef TARGET_NR_inotify_init1
444#undef TARGET_NR_inotify_add_watch
445#undef TARGET_NR_inotify_rm_watch
446#endif
447
448#if defined(TARGET_NR_prlimit64)
449#ifndef __NR_prlimit64
450# define __NR_prlimit64 -1
451#endif
452#define __NR_sys_prlimit64 __NR_prlimit64
453
454struct host_rlimit64 {
455 uint64_t rlim_cur;
456 uint64_t rlim_max;
457};
458_syscall4(int, sys_prlimit64, pid_t, pid, int, resource,
459 const struct host_rlimit64 *, new_limit,
460 struct host_rlimit64 *, old_limit)
461#endif
462
463
464#if defined(TARGET_NR_timer_create)
465
466static timer_t g_posix_timers[32] = { 0, } ;
467
468static inline int next_free_host_timer(void)
469{
470 int k ;
471
472 for (k = 0; k < ARRAY_SIZE(g_posix_timers); k++) {
473 if (g_posix_timers[k] == 0) {
474 g_posix_timers[k] = (timer_t) 1;
475 return k;
476 }
477 }
478 return -1;
479}
480#endif
481
482
483#ifdef TARGET_ARM
484static inline int regpairs_aligned(void *cpu_env, int num)
485{
486 return ((((CPUARMState *)cpu_env)->eabi) == 1) ;
487}
488#elif defined(TARGET_MIPS) && (TARGET_ABI_BITS == 32)
489static inline int regpairs_aligned(void *cpu_env, int num) { return 1; }
490#elif defined(TARGET_PPC) && !defined(TARGET_PPC64)
491
492
493
494static inline int regpairs_aligned(void *cpu_env, int num) { return 1; }
495#elif defined(TARGET_SH4)
496
497static inline int regpairs_aligned(void *cpu_env, int num)
498{
499 switch (num) {
500 case TARGET_NR_pread64:
501 case TARGET_NR_pwrite64:
502 return 1;
503
504 default:
505 return 0;
506 }
507}
508#elif defined(TARGET_XTENSA)
509static inline int regpairs_aligned(void *cpu_env, int num) { return 1; }
510#else
511static inline int regpairs_aligned(void *cpu_env, int num) { return 0; }
512#endif
513
514#define ERRNO_TABLE_SIZE 1200
515
516
517
518static uint16_t target_to_host_errno_table[ERRNO_TABLE_SIZE] = {
519};
520
521
522
523
524
525static uint16_t host_to_target_errno_table[ERRNO_TABLE_SIZE] = {
526 [EAGAIN] = TARGET_EAGAIN,
527 [EIDRM] = TARGET_EIDRM,
528 [ECHRNG] = TARGET_ECHRNG,
529 [EL2NSYNC] = TARGET_EL2NSYNC,
530 [EL3HLT] = TARGET_EL3HLT,
531 [EL3RST] = TARGET_EL3RST,
532 [ELNRNG] = TARGET_ELNRNG,
533 [EUNATCH] = TARGET_EUNATCH,
534 [ENOCSI] = TARGET_ENOCSI,
535 [EL2HLT] = TARGET_EL2HLT,
536 [EDEADLK] = TARGET_EDEADLK,
537 [ENOLCK] = TARGET_ENOLCK,
538 [EBADE] = TARGET_EBADE,
539 [EBADR] = TARGET_EBADR,
540 [EXFULL] = TARGET_EXFULL,
541 [ENOANO] = TARGET_ENOANO,
542 [EBADRQC] = TARGET_EBADRQC,
543 [EBADSLT] = TARGET_EBADSLT,
544 [EBFONT] = TARGET_EBFONT,
545 [ENOSTR] = TARGET_ENOSTR,
546 [ENODATA] = TARGET_ENODATA,
547 [ETIME] = TARGET_ETIME,
548 [ENOSR] = TARGET_ENOSR,
549 [ENONET] = TARGET_ENONET,
550 [ENOPKG] = TARGET_ENOPKG,
551 [EREMOTE] = TARGET_EREMOTE,
552 [ENOLINK] = TARGET_ENOLINK,
553 [EADV] = TARGET_EADV,
554 [ESRMNT] = TARGET_ESRMNT,
555 [ECOMM] = TARGET_ECOMM,
556 [EPROTO] = TARGET_EPROTO,
557 [EDOTDOT] = TARGET_EDOTDOT,
558 [EMULTIHOP] = TARGET_EMULTIHOP,
559 [EBADMSG] = TARGET_EBADMSG,
560 [ENAMETOOLONG] = TARGET_ENAMETOOLONG,
561 [EOVERFLOW] = TARGET_EOVERFLOW,
562 [ENOTUNIQ] = TARGET_ENOTUNIQ,
563 [EBADFD] = TARGET_EBADFD,
564 [EREMCHG] = TARGET_EREMCHG,
565 [ELIBACC] = TARGET_ELIBACC,
566 [ELIBBAD] = TARGET_ELIBBAD,
567 [ELIBSCN] = TARGET_ELIBSCN,
568 [ELIBMAX] = TARGET_ELIBMAX,
569 [ELIBEXEC] = TARGET_ELIBEXEC,
570 [EILSEQ] = TARGET_EILSEQ,
571 [ENOSYS] = TARGET_ENOSYS,
572 [ELOOP] = TARGET_ELOOP,
573 [ERESTART] = TARGET_ERESTART,
574 [ESTRPIPE] = TARGET_ESTRPIPE,
575 [ENOTEMPTY] = TARGET_ENOTEMPTY,
576 [EUSERS] = TARGET_EUSERS,
577 [ENOTSOCK] = TARGET_ENOTSOCK,
578 [EDESTADDRREQ] = TARGET_EDESTADDRREQ,
579 [EMSGSIZE] = TARGET_EMSGSIZE,
580 [EPROTOTYPE] = TARGET_EPROTOTYPE,
581 [ENOPROTOOPT] = TARGET_ENOPROTOOPT,
582 [EPROTONOSUPPORT] = TARGET_EPROTONOSUPPORT,
583 [ESOCKTNOSUPPORT] = TARGET_ESOCKTNOSUPPORT,
584 [EOPNOTSUPP] = TARGET_EOPNOTSUPP,
585 [EPFNOSUPPORT] = TARGET_EPFNOSUPPORT,
586 [EAFNOSUPPORT] = TARGET_EAFNOSUPPORT,
587 [EADDRINUSE] = TARGET_EADDRINUSE,
588 [EADDRNOTAVAIL] = TARGET_EADDRNOTAVAIL,
589 [ENETDOWN] = TARGET_ENETDOWN,
590 [ENETUNREACH] = TARGET_ENETUNREACH,
591 [ENETRESET] = TARGET_ENETRESET,
592 [ECONNABORTED] = TARGET_ECONNABORTED,
593 [ECONNRESET] = TARGET_ECONNRESET,
594 [ENOBUFS] = TARGET_ENOBUFS,
595 [EISCONN] = TARGET_EISCONN,
596 [ENOTCONN] = TARGET_ENOTCONN,
597 [EUCLEAN] = TARGET_EUCLEAN,
598 [ENOTNAM] = TARGET_ENOTNAM,
599 [ENAVAIL] = TARGET_ENAVAIL,
600 [EISNAM] = TARGET_EISNAM,
601 [EREMOTEIO] = TARGET_EREMOTEIO,
602 [EDQUOT] = TARGET_EDQUOT,
603 [ESHUTDOWN] = TARGET_ESHUTDOWN,
604 [ETOOMANYREFS] = TARGET_ETOOMANYREFS,
605 [ETIMEDOUT] = TARGET_ETIMEDOUT,
606 [ECONNREFUSED] = TARGET_ECONNREFUSED,
607 [EHOSTDOWN] = TARGET_EHOSTDOWN,
608 [EHOSTUNREACH] = TARGET_EHOSTUNREACH,
609 [EALREADY] = TARGET_EALREADY,
610 [EINPROGRESS] = TARGET_EINPROGRESS,
611 [ESTALE] = TARGET_ESTALE,
612 [ECANCELED] = TARGET_ECANCELED,
613 [ENOMEDIUM] = TARGET_ENOMEDIUM,
614 [EMEDIUMTYPE] = TARGET_EMEDIUMTYPE,
615#ifdef ENOKEY
616 [ENOKEY] = TARGET_ENOKEY,
617#endif
618#ifdef EKEYEXPIRED
619 [EKEYEXPIRED] = TARGET_EKEYEXPIRED,
620#endif
621#ifdef EKEYREVOKED
622 [EKEYREVOKED] = TARGET_EKEYREVOKED,
623#endif
624#ifdef EKEYREJECTED
625 [EKEYREJECTED] = TARGET_EKEYREJECTED,
626#endif
627#ifdef EOWNERDEAD
628 [EOWNERDEAD] = TARGET_EOWNERDEAD,
629#endif
630#ifdef ENOTRECOVERABLE
631 [ENOTRECOVERABLE] = TARGET_ENOTRECOVERABLE,
632#endif
633#ifdef ENOMSG
634 [ENOMSG] = TARGET_ENOMSG,
635#endif
636#ifdef ERKFILL
637 [ERFKILL] = TARGET_ERFKILL,
638#endif
639#ifdef EHWPOISON
640 [EHWPOISON] = TARGET_EHWPOISON,
641#endif
642};
643
644static inline int host_to_target_errno(int err)
645{
646 if (err >= 0 && err < ERRNO_TABLE_SIZE &&
647 host_to_target_errno_table[err]) {
648 return host_to_target_errno_table[err];
649 }
650 return err;
651}
652
653static inline int target_to_host_errno(int err)
654{
655 if (err >= 0 && err < ERRNO_TABLE_SIZE &&
656 target_to_host_errno_table[err]) {
657 return target_to_host_errno_table[err];
658 }
659 return err;
660}
661
662static inline abi_long get_errno(abi_long ret)
663{
664 if (ret == -1)
665 return -host_to_target_errno(errno);
666 else
667 return ret;
668}
669
670const char *target_strerror(int err)
671{
672 if (err == TARGET_ERESTARTSYS) {
673 return "To be restarted";
674 }
675 if (err == TARGET_QEMU_ESIGRETURN) {
676 return "Successful exit from sigreturn";
677 }
678
679 if ((err >= ERRNO_TABLE_SIZE) || (err < 0)) {
680 return NULL;
681 }
682 return strerror(target_to_host_errno(err));
683}
684
685#define safe_syscall0(type, name) \
686static type safe_##name(void) \
687{ \
688 return safe_syscall(__NR_##name); \
689}
690
691#define safe_syscall1(type, name, type1, arg1) \
692static type safe_##name(type1 arg1) \
693{ \
694 return safe_syscall(__NR_##name, arg1); \
695}
696
697#define safe_syscall2(type, name, type1, arg1, type2, arg2) \
698static type safe_##name(type1 arg1, type2 arg2) \
699{ \
700 return safe_syscall(__NR_##name, arg1, arg2); \
701}
702
703#define safe_syscall3(type, name, type1, arg1, type2, arg2, type3, arg3) \
704static type safe_##name(type1 arg1, type2 arg2, type3 arg3) \
705{ \
706 return safe_syscall(__NR_##name, arg1, arg2, arg3); \
707}
708
709#define safe_syscall4(type, name, type1, arg1, type2, arg2, type3, arg3, \
710 type4, arg4) \
711static type safe_##name(type1 arg1, type2 arg2, type3 arg3, type4 arg4) \
712{ \
713 return safe_syscall(__NR_##name, arg1, arg2, arg3, arg4); \
714}
715
716#define safe_syscall5(type, name, type1, arg1, type2, arg2, type3, arg3, \
717 type4, arg4, type5, arg5) \
718static type safe_##name(type1 arg1, type2 arg2, type3 arg3, type4 arg4, \
719 type5 arg5) \
720{ \
721 return safe_syscall(__NR_##name, arg1, arg2, arg3, arg4, arg5); \
722}
723
724#define safe_syscall6(type, name, type1, arg1, type2, arg2, type3, arg3, \
725 type4, arg4, type5, arg5, type6, arg6) \
726static type safe_##name(type1 arg1, type2 arg2, type3 arg3, type4 arg4, \
727 type5 arg5, type6 arg6) \
728{ \
729 return safe_syscall(__NR_##name, arg1, arg2, arg3, arg4, arg5, arg6); \
730}
731
732safe_syscall3(ssize_t, read, int, fd, void *, buff, size_t, count)
733safe_syscall3(ssize_t, write, int, fd, const void *, buff, size_t, count)
734safe_syscall4(int, openat, int, dirfd, const char *, pathname, \
735 int, flags, mode_t, mode)
736safe_syscall4(pid_t, wait4, pid_t, pid, int *, status, int, options, \
737 struct rusage *, rusage)
738safe_syscall5(int, waitid, idtype_t, idtype, id_t, id, siginfo_t *, infop, \
739 int, options, struct rusage *, rusage)
740safe_syscall3(int, execve, const char *, filename, char **, argv, char **, envp)
741safe_syscall6(int, pselect6, int, nfds, fd_set *, readfds, fd_set *, writefds, \
742 fd_set *, exceptfds, struct timespec *, timeout, void *, sig)
743safe_syscall5(int, ppoll, struct pollfd *, ufds, unsigned int, nfds,
744 struct timespec *, tsp, const sigset_t *, sigmask,
745 size_t, sigsetsize)
746safe_syscall6(int, epoll_pwait, int, epfd, struct epoll_event *, events,
747 int, maxevents, int, timeout, const sigset_t *, sigmask,
748 size_t, sigsetsize)
749safe_syscall6(int,futex,int *,uaddr,int,op,int,val, \
750 const struct timespec *,timeout,int *,uaddr2,int,val3)
751safe_syscall2(int, rt_sigsuspend, sigset_t *, newset, size_t, sigsetsize)
752safe_syscall2(int, kill, pid_t, pid, int, sig)
753safe_syscall2(int, tkill, int, tid, int, sig)
754safe_syscall3(int, tgkill, int, tgid, int, pid, int, sig)
755safe_syscall3(ssize_t, readv, int, fd, const struct iovec *, iov, int, iovcnt)
756safe_syscall3(ssize_t, writev, int, fd, const struct iovec *, iov, int, iovcnt)
757safe_syscall5(ssize_t, preadv, int, fd, const struct iovec *, iov, int, iovcnt,
758 unsigned long, pos_l, unsigned long, pos_h)
759safe_syscall5(ssize_t, pwritev, int, fd, const struct iovec *, iov, int, iovcnt,
760 unsigned long, pos_l, unsigned long, pos_h)
761safe_syscall3(int, connect, int, fd, const struct sockaddr *, addr,
762 socklen_t, addrlen)
763safe_syscall6(ssize_t, sendto, int, fd, const void *, buf, size_t, len,
764 int, flags, const struct sockaddr *, addr, socklen_t, addrlen)
765safe_syscall6(ssize_t, recvfrom, int, fd, void *, buf, size_t, len,
766 int, flags, struct sockaddr *, addr, socklen_t *, addrlen)
767safe_syscall3(ssize_t, sendmsg, int, fd, const struct msghdr *, msg, int, flags)
768safe_syscall3(ssize_t, recvmsg, int, fd, struct msghdr *, msg, int, flags)
769safe_syscall2(int, flock, int, fd, int, operation)
770safe_syscall4(int, rt_sigtimedwait, const sigset_t *, these, siginfo_t *, uinfo,
771 const struct timespec *, uts, size_t, sigsetsize)
772safe_syscall4(int, accept4, int, fd, struct sockaddr *, addr, socklen_t *, len,
773 int, flags)
774safe_syscall2(int, nanosleep, const struct timespec *, req,
775 struct timespec *, rem)
776#ifdef TARGET_NR_clock_nanosleep
777safe_syscall4(int, clock_nanosleep, const clockid_t, clock, int, flags,
778 const struct timespec *, req, struct timespec *, rem)
779#endif
780#ifdef __NR_ipc
781safe_syscall6(int, ipc, int, call, long, first, long, second, long, third,
782 void *, ptr, long, fifth)
783#endif
784#ifdef __NR_msgsnd
785safe_syscall4(int, msgsnd, int, msgid, const void *, msgp, size_t, sz,
786 int, flags)
787#endif
788#ifdef __NR_msgrcv
789safe_syscall5(int, msgrcv, int, msgid, void *, msgp, size_t, sz,
790 long, msgtype, int, flags)
791#endif
792#ifdef __NR_semtimedop
793safe_syscall4(int, semtimedop, int, semid, struct sembuf *, tsops,
794 unsigned, nsops, const struct timespec *, timeout)
795#endif
796#if defined(TARGET_NR_mq_open) && defined(__NR_mq_open)
797safe_syscall5(int, mq_timedsend, int, mqdes, const char *, msg_ptr,
798 size_t, len, unsigned, prio, const struct timespec *, timeout)
799safe_syscall5(int, mq_timedreceive, int, mqdes, char *, msg_ptr,
800 size_t, len, unsigned *, prio, const struct timespec *, timeout)
801#endif
802
803
804
805
806#define safe_ioctl(...) safe_syscall(__NR_ioctl, __VA_ARGS__)
807
808
809
810
811
812#ifdef __NR_fcntl64
813#define safe_fcntl(...) safe_syscall(__NR_fcntl64, __VA_ARGS__)
814#else
815#define safe_fcntl(...) safe_syscall(__NR_fcntl, __VA_ARGS__)
816#endif
817
818static inline int host_to_target_sock_type(int host_type)
819{
820 int target_type;
821
822 switch (host_type & 0xf ) {
823 case SOCK_DGRAM:
824 target_type = TARGET_SOCK_DGRAM;
825 break;
826 case SOCK_STREAM:
827 target_type = TARGET_SOCK_STREAM;
828 break;
829 default:
830 target_type = host_type & 0xf ;
831 break;
832 }
833
834#if defined(SOCK_CLOEXEC)
835 if (host_type & SOCK_CLOEXEC) {
836 target_type |= TARGET_SOCK_CLOEXEC;
837 }
838#endif
839
840#if defined(SOCK_NONBLOCK)
841 if (host_type & SOCK_NONBLOCK) {
842 target_type |= TARGET_SOCK_NONBLOCK;
843 }
844#endif
845
846 return target_type;
847}
848
849static abi_ulong target_brk;
850static abi_ulong target_original_brk;
851static abi_ulong brk_page;
852
853void target_set_brk(abi_ulong new_brk)
854{
855 target_original_brk = target_brk = HOST_PAGE_ALIGN(new_brk);
856 brk_page = HOST_PAGE_ALIGN(target_brk);
857}
858
859
860#define DEBUGF_BRK(message, args...)
861
862
863abi_long do_brk(abi_ulong new_brk)
864{
865 abi_long mapped_addr;
866 abi_ulong new_alloc_size;
867
868 DEBUGF_BRK("do_brk(" TARGET_ABI_FMT_lx ") -> ", new_brk);
869
870 if (!new_brk) {
871 DEBUGF_BRK(TARGET_ABI_FMT_lx " (!new_brk)\n", target_brk);
872 return target_brk;
873 }
874 if (new_brk < target_original_brk) {
875 DEBUGF_BRK(TARGET_ABI_FMT_lx " (new_brk < target_original_brk)\n",
876 target_brk);
877 return target_brk;
878 }
879
880
881
882 if (new_brk <= brk_page) {
883
884
885 if (new_brk > target_brk) {
886 memset(g2h(target_brk), 0, new_brk - target_brk);
887 }
888 target_brk = new_brk;
889 DEBUGF_BRK(TARGET_ABI_FMT_lx " (new_brk <= brk_page)\n", target_brk);
890 return target_brk;
891 }
892
893
894
895
896
897
898
899 new_alloc_size = HOST_PAGE_ALIGN(new_brk - brk_page);
900 mapped_addr = get_errno(target_mmap(brk_page, new_alloc_size,
901 PROT_READ|PROT_WRITE,
902 MAP_ANON|MAP_PRIVATE, 0, 0));
903
904 if (mapped_addr == brk_page) {
905
906
907
908
909
910
911
912 memset(g2h(target_brk), 0, brk_page - target_brk);
913
914 target_brk = new_brk;
915 brk_page = HOST_PAGE_ALIGN(target_brk);
916 DEBUGF_BRK(TARGET_ABI_FMT_lx " (mapped_addr == brk_page)\n",
917 target_brk);
918 return target_brk;
919 } else if (mapped_addr != -1) {
920
921
922
923 target_munmap(mapped_addr, new_alloc_size);
924 mapped_addr = -1;
925 DEBUGF_BRK(TARGET_ABI_FMT_lx " (mapped_addr != -1)\n", target_brk);
926 }
927 else {
928 DEBUGF_BRK(TARGET_ABI_FMT_lx " (otherwise)\n", target_brk);
929 }
930
931#if defined(TARGET_ALPHA)
932
933
934 return -TARGET_ENOMEM;
935#endif
936
937 return target_brk;
938}
939
940static inline abi_long copy_from_user_fdset(fd_set *fds,
941 abi_ulong target_fds_addr,
942 int n)
943{
944 int i, nw, j, k;
945 abi_ulong b, *target_fds;
946
947 nw = DIV_ROUND_UP(n, TARGET_ABI_BITS);
948 if (!(target_fds = lock_user(VERIFY_READ,
949 target_fds_addr,
950 sizeof(abi_ulong) * nw,
951 1)))
952 return -TARGET_EFAULT;
953
954 FD_ZERO(fds);
955 k = 0;
956 for (i = 0; i < nw; i++) {
957
958 __get_user(b, &target_fds[i]);
959 for (j = 0; j < TARGET_ABI_BITS; j++) {
960
961 if ((b >> j) & 1)
962 FD_SET(k, fds);
963 k++;
964 }
965 }
966
967 unlock_user(target_fds, target_fds_addr, 0);
968
969 return 0;
970}
971
972static inline abi_ulong copy_from_user_fdset_ptr(fd_set *fds, fd_set **fds_ptr,
973 abi_ulong target_fds_addr,
974 int n)
975{
976 if (target_fds_addr) {
977 if (copy_from_user_fdset(fds, target_fds_addr, n))
978 return -TARGET_EFAULT;
979 *fds_ptr = fds;
980 } else {
981 *fds_ptr = NULL;
982 }
983 return 0;
984}
985
986static inline abi_long copy_to_user_fdset(abi_ulong target_fds_addr,
987 const fd_set *fds,
988 int n)
989{
990 int i, nw, j, k;
991 abi_long v;
992 abi_ulong *target_fds;
993
994 nw = DIV_ROUND_UP(n, TARGET_ABI_BITS);
995 if (!(target_fds = lock_user(VERIFY_WRITE,
996 target_fds_addr,
997 sizeof(abi_ulong) * nw,
998 0)))
999 return -TARGET_EFAULT;
1000
1001 k = 0;
1002 for (i = 0; i < nw; i++) {
1003 v = 0;
1004 for (j = 0; j < TARGET_ABI_BITS; j++) {
1005 v |= ((abi_ulong)(FD_ISSET(k, fds) != 0) << j);
1006 k++;
1007 }
1008 __put_user(v, &target_fds[i]);
1009 }
1010
1011 unlock_user(target_fds, target_fds_addr, sizeof(abi_ulong) * nw);
1012
1013 return 0;
1014}
1015
1016#if defined(__alpha__)
1017#define HOST_HZ 1024
1018#else
1019#define HOST_HZ 100
1020#endif
1021
1022static inline abi_long host_to_target_clock_t(long ticks)
1023{
1024#if HOST_HZ == TARGET_HZ
1025 return ticks;
1026#else
1027 return ((int64_t)ticks * TARGET_HZ) / HOST_HZ;
1028#endif
1029}
1030
1031static inline abi_long host_to_target_rusage(abi_ulong target_addr,
1032 const struct rusage *rusage)
1033{
1034 struct target_rusage *target_rusage;
1035
1036 if (!lock_user_struct(VERIFY_WRITE, target_rusage, target_addr, 0))
1037 return -TARGET_EFAULT;
1038 target_rusage->ru_utime.tv_sec = tswapal(rusage->ru_utime.tv_sec);
1039 target_rusage->ru_utime.tv_usec = tswapal(rusage->ru_utime.tv_usec);
1040 target_rusage->ru_stime.tv_sec = tswapal(rusage->ru_stime.tv_sec);
1041 target_rusage->ru_stime.tv_usec = tswapal(rusage->ru_stime.tv_usec);
1042 target_rusage->ru_maxrss = tswapal(rusage->ru_maxrss);
1043 target_rusage->ru_ixrss = tswapal(rusage->ru_ixrss);
1044 target_rusage->ru_idrss = tswapal(rusage->ru_idrss);
1045 target_rusage->ru_isrss = tswapal(rusage->ru_isrss);
1046 target_rusage->ru_minflt = tswapal(rusage->ru_minflt);
1047 target_rusage->ru_majflt = tswapal(rusage->ru_majflt);
1048 target_rusage->ru_nswap = tswapal(rusage->ru_nswap);
1049 target_rusage->ru_inblock = tswapal(rusage->ru_inblock);
1050 target_rusage->ru_oublock = tswapal(rusage->ru_oublock);
1051 target_rusage->ru_msgsnd = tswapal(rusage->ru_msgsnd);
1052 target_rusage->ru_msgrcv = tswapal(rusage->ru_msgrcv);
1053 target_rusage->ru_nsignals = tswapal(rusage->ru_nsignals);
1054 target_rusage->ru_nvcsw = tswapal(rusage->ru_nvcsw);
1055 target_rusage->ru_nivcsw = tswapal(rusage->ru_nivcsw);
1056 unlock_user_struct(target_rusage, target_addr, 1);
1057
1058 return 0;
1059}
1060
1061static inline rlim_t target_to_host_rlim(abi_ulong target_rlim)
1062{
1063 abi_ulong target_rlim_swap;
1064 rlim_t result;
1065
1066 target_rlim_swap = tswapal(target_rlim);
1067 if (target_rlim_swap == TARGET_RLIM_INFINITY)
1068 return RLIM_INFINITY;
1069
1070 result = target_rlim_swap;
1071 if (target_rlim_swap != (rlim_t)result)
1072 return RLIM_INFINITY;
1073
1074 return result;
1075}
1076
1077static inline abi_ulong host_to_target_rlim(rlim_t rlim)
1078{
1079 abi_ulong target_rlim_swap;
1080 abi_ulong result;
1081
1082 if (rlim == RLIM_INFINITY || rlim != (abi_long)rlim)
1083 target_rlim_swap = TARGET_RLIM_INFINITY;
1084 else
1085 target_rlim_swap = rlim;
1086 result = tswapal(target_rlim_swap);
1087
1088 return result;
1089}
1090
1091static inline int target_to_host_resource(int code)
1092{
1093 switch (code) {
1094 case TARGET_RLIMIT_AS:
1095 return RLIMIT_AS;
1096 case TARGET_RLIMIT_CORE:
1097 return RLIMIT_CORE;
1098 case TARGET_RLIMIT_CPU:
1099 return RLIMIT_CPU;
1100 case TARGET_RLIMIT_DATA:
1101 return RLIMIT_DATA;
1102 case TARGET_RLIMIT_FSIZE:
1103 return RLIMIT_FSIZE;
1104 case TARGET_RLIMIT_LOCKS:
1105 return RLIMIT_LOCKS;
1106 case TARGET_RLIMIT_MEMLOCK:
1107 return RLIMIT_MEMLOCK;
1108 case TARGET_RLIMIT_MSGQUEUE:
1109 return RLIMIT_MSGQUEUE;
1110 case TARGET_RLIMIT_NICE:
1111 return RLIMIT_NICE;
1112 case TARGET_RLIMIT_NOFILE:
1113 return RLIMIT_NOFILE;
1114 case TARGET_RLIMIT_NPROC:
1115 return RLIMIT_NPROC;
1116 case TARGET_RLIMIT_RSS:
1117 return RLIMIT_RSS;
1118 case TARGET_RLIMIT_RTPRIO:
1119 return RLIMIT_RTPRIO;
1120 case TARGET_RLIMIT_SIGPENDING:
1121 return RLIMIT_SIGPENDING;
1122 case TARGET_RLIMIT_STACK:
1123 return RLIMIT_STACK;
1124 default:
1125 return code;
1126 }
1127}
1128
1129static inline abi_long copy_from_user_timeval(struct timeval *tv,
1130 abi_ulong target_tv_addr)
1131{
1132 struct target_timeval *target_tv;
1133
1134 if (!lock_user_struct(VERIFY_READ, target_tv, target_tv_addr, 1)) {
1135 return -TARGET_EFAULT;
1136 }
1137
1138 __get_user(tv->tv_sec, &target_tv->tv_sec);
1139 __get_user(tv->tv_usec, &target_tv->tv_usec);
1140
1141 unlock_user_struct(target_tv, target_tv_addr, 0);
1142
1143 return 0;
1144}
1145
1146static inline abi_long copy_to_user_timeval(abi_ulong target_tv_addr,
1147 const struct timeval *tv)
1148{
1149 struct target_timeval *target_tv;
1150
1151 if (!lock_user_struct(VERIFY_WRITE, target_tv, target_tv_addr, 0)) {
1152 return -TARGET_EFAULT;
1153 }
1154
1155 __put_user(tv->tv_sec, &target_tv->tv_sec);
1156 __put_user(tv->tv_usec, &target_tv->tv_usec);
1157
1158 unlock_user_struct(target_tv, target_tv_addr, 1);
1159
1160 return 0;
1161}
1162
1163static inline abi_long copy_to_user_timeval64(abi_ulong target_tv_addr,
1164 const struct timeval *tv)
1165{
1166 struct target__kernel_sock_timeval *target_tv;
1167
1168 if (!lock_user_struct(VERIFY_WRITE, target_tv, target_tv_addr, 0)) {
1169 return -TARGET_EFAULT;
1170 }
1171
1172 __put_user(tv->tv_sec, &target_tv->tv_sec);
1173 __put_user(tv->tv_usec, &target_tv->tv_usec);
1174
1175 unlock_user_struct(target_tv, target_tv_addr, 1);
1176
1177 return 0;
1178}
1179
1180static inline abi_long target_to_host_timespec(struct timespec *host_ts,
1181 abi_ulong target_addr)
1182{
1183 struct target_timespec *target_ts;
1184
1185 if (!lock_user_struct(VERIFY_READ, target_ts, target_addr, 1)) {
1186 return -TARGET_EFAULT;
1187 }
1188 __get_user(host_ts->tv_sec, &target_ts->tv_sec);
1189 __get_user(host_ts->tv_nsec, &target_ts->tv_nsec);
1190 unlock_user_struct(target_ts, target_addr, 0);
1191 return 0;
1192}
1193
1194static inline abi_long host_to_target_timespec(abi_ulong target_addr,
1195 struct timespec *host_ts)
1196{
1197 struct target_timespec *target_ts;
1198
1199 if (!lock_user_struct(VERIFY_WRITE, target_ts, target_addr, 0)) {
1200 return -TARGET_EFAULT;
1201 }
1202 __put_user(host_ts->tv_sec, &target_ts->tv_sec);
1203 __put_user(host_ts->tv_nsec, &target_ts->tv_nsec);
1204 unlock_user_struct(target_ts, target_addr, 1);
1205 return 0;
1206}
1207
1208static inline abi_long host_to_target_timespec64(abi_ulong target_addr,
1209 struct timespec *host_ts)
1210{
1211 struct target__kernel_timespec *target_ts;
1212
1213 if (!lock_user_struct(VERIFY_WRITE, target_ts, target_addr, 0)) {
1214 return -TARGET_EFAULT;
1215 }
1216 __put_user(host_ts->tv_sec, &target_ts->tv_sec);
1217 __put_user(host_ts->tv_nsec, &target_ts->tv_nsec);
1218 unlock_user_struct(target_ts, target_addr, 1);
1219 return 0;
1220}
1221
1222static inline abi_long copy_from_user_timezone(struct timezone *tz,
1223 abi_ulong target_tz_addr)
1224{
1225 struct target_timezone *target_tz;
1226
1227 if (!lock_user_struct(VERIFY_READ, target_tz, target_tz_addr, 1)) {
1228 return -TARGET_EFAULT;
1229 }
1230
1231 __get_user(tz->tz_minuteswest, &target_tz->tz_minuteswest);
1232 __get_user(tz->tz_dsttime, &target_tz->tz_dsttime);
1233
1234 unlock_user_struct(target_tz, target_tz_addr, 0);
1235
1236 return 0;
1237}
1238
1239#if defined(TARGET_NR_mq_open) && defined(__NR_mq_open)
1240#include <mqueue.h>
1241
1242static inline abi_long copy_from_user_mq_attr(struct mq_attr *attr,
1243 abi_ulong target_mq_attr_addr)
1244{
1245 struct target_mq_attr *target_mq_attr;
1246
1247 if (!lock_user_struct(VERIFY_READ, target_mq_attr,
1248 target_mq_attr_addr, 1))
1249 return -TARGET_EFAULT;
1250
1251 __get_user(attr->mq_flags, &target_mq_attr->mq_flags);
1252 __get_user(attr->mq_maxmsg, &target_mq_attr->mq_maxmsg);
1253 __get_user(attr->mq_msgsize, &target_mq_attr->mq_msgsize);
1254 __get_user(attr->mq_curmsgs, &target_mq_attr->mq_curmsgs);
1255
1256 unlock_user_struct(target_mq_attr, target_mq_attr_addr, 0);
1257
1258 return 0;
1259}
1260
1261static inline abi_long copy_to_user_mq_attr(abi_ulong target_mq_attr_addr,
1262 const struct mq_attr *attr)
1263{
1264 struct target_mq_attr *target_mq_attr;
1265
1266 if (!lock_user_struct(VERIFY_WRITE, target_mq_attr,
1267 target_mq_attr_addr, 0))
1268 return -TARGET_EFAULT;
1269
1270 __put_user(attr->mq_flags, &target_mq_attr->mq_flags);
1271 __put_user(attr->mq_maxmsg, &target_mq_attr->mq_maxmsg);
1272 __put_user(attr->mq_msgsize, &target_mq_attr->mq_msgsize);
1273 __put_user(attr->mq_curmsgs, &target_mq_attr->mq_curmsgs);
1274
1275 unlock_user_struct(target_mq_attr, target_mq_attr_addr, 1);
1276
1277 return 0;
1278}
1279#endif
1280
1281#if defined(TARGET_NR_select) || defined(TARGET_NR__newselect)
1282
1283static abi_long do_select(int n,
1284 abi_ulong rfd_addr, abi_ulong wfd_addr,
1285 abi_ulong efd_addr, abi_ulong target_tv_addr)
1286{
1287 fd_set rfds, wfds, efds;
1288 fd_set *rfds_ptr, *wfds_ptr, *efds_ptr;
1289 struct timeval tv;
1290 struct timespec ts, *ts_ptr;
1291 abi_long ret;
1292
1293 ret = copy_from_user_fdset_ptr(&rfds, &rfds_ptr, rfd_addr, n);
1294 if (ret) {
1295 return ret;
1296 }
1297 ret = copy_from_user_fdset_ptr(&wfds, &wfds_ptr, wfd_addr, n);
1298 if (ret) {
1299 return ret;
1300 }
1301 ret = copy_from_user_fdset_ptr(&efds, &efds_ptr, efd_addr, n);
1302 if (ret) {
1303 return ret;
1304 }
1305
1306 if (target_tv_addr) {
1307 if (copy_from_user_timeval(&tv, target_tv_addr))
1308 return -TARGET_EFAULT;
1309 ts.tv_sec = tv.tv_sec;
1310 ts.tv_nsec = tv.tv_usec * 1000;
1311 ts_ptr = &ts;
1312 } else {
1313 ts_ptr = NULL;
1314 }
1315
1316 ret = get_errno(safe_pselect6(n, rfds_ptr, wfds_ptr, efds_ptr,
1317 ts_ptr, NULL));
1318
1319 if (!is_error(ret)) {
1320 if (rfd_addr && copy_to_user_fdset(rfd_addr, &rfds, n))
1321 return -TARGET_EFAULT;
1322 if (wfd_addr && copy_to_user_fdset(wfd_addr, &wfds, n))
1323 return -TARGET_EFAULT;
1324 if (efd_addr && copy_to_user_fdset(efd_addr, &efds, n))
1325 return -TARGET_EFAULT;
1326
1327 if (target_tv_addr) {
1328 tv.tv_sec = ts.tv_sec;
1329 tv.tv_usec = ts.tv_nsec / 1000;
1330 if (copy_to_user_timeval(target_tv_addr, &tv)) {
1331 return -TARGET_EFAULT;
1332 }
1333 }
1334 }
1335
1336 return ret;
1337}
1338
1339#if defined(TARGET_WANT_OLD_SYS_SELECT)
1340static abi_long do_old_select(abi_ulong arg1)
1341{
1342 struct target_sel_arg_struct *sel;
1343 abi_ulong inp, outp, exp, tvp;
1344 long nsel;
1345
1346 if (!lock_user_struct(VERIFY_READ, sel, arg1, 1)) {
1347 return -TARGET_EFAULT;
1348 }
1349
1350 nsel = tswapal(sel->n);
1351 inp = tswapal(sel->inp);
1352 outp = tswapal(sel->outp);
1353 exp = tswapal(sel->exp);
1354 tvp = tswapal(sel->tvp);
1355
1356 unlock_user_struct(sel, arg1, 0);
1357
1358 return do_select(nsel, inp, outp, exp, tvp);
1359}
1360#endif
1361#endif
1362
1363static abi_long do_pipe2(int host_pipe[], int flags)
1364{
1365#ifdef CONFIG_PIPE2
1366 return pipe2(host_pipe, flags);
1367#else
1368 return -ENOSYS;
1369#endif
1370}
1371
1372static abi_long do_pipe(void *cpu_env, abi_ulong pipedes,
1373 int flags, int is_pipe2)
1374{
1375 int host_pipe[2];
1376 abi_long ret;
1377 ret = flags ? do_pipe2(host_pipe, flags) : pipe(host_pipe);
1378
1379 if (is_error(ret))
1380 return get_errno(ret);
1381
1382
1383
1384 if (!is_pipe2) {
1385#if defined(TARGET_ALPHA)
1386 ((CPUAlphaState *)cpu_env)->ir[IR_A4] = host_pipe[1];
1387 return host_pipe[0];
1388#elif defined(TARGET_MIPS)
1389 ((CPUMIPSState*)cpu_env)->active_tc.gpr[3] = host_pipe[1];
1390 return host_pipe[0];
1391#elif defined(TARGET_SH4)
1392 ((CPUSH4State*)cpu_env)->gregs[1] = host_pipe[1];
1393 return host_pipe[0];
1394#elif defined(TARGET_SPARC)
1395 ((CPUSPARCState*)cpu_env)->regwptr[1] = host_pipe[1];
1396 return host_pipe[0];
1397#endif
1398 }
1399
1400 if (put_user_s32(host_pipe[0], pipedes)
1401 || put_user_s32(host_pipe[1], pipedes + sizeof(host_pipe[0])))
1402 return -TARGET_EFAULT;
1403 return get_errno(ret);
1404}
1405
1406static inline abi_long target_to_host_ip_mreq(struct ip_mreqn *mreqn,
1407 abi_ulong target_addr,
1408 socklen_t len)
1409{
1410 struct target_ip_mreqn *target_smreqn;
1411
1412 target_smreqn = lock_user(VERIFY_READ, target_addr, len, 1);
1413 if (!target_smreqn)
1414 return -TARGET_EFAULT;
1415 mreqn->imr_multiaddr.s_addr = target_smreqn->imr_multiaddr.s_addr;
1416 mreqn->imr_address.s_addr = target_smreqn->imr_address.s_addr;
1417 if (len == sizeof(struct target_ip_mreqn))
1418 mreqn->imr_ifindex = tswapal(target_smreqn->imr_ifindex);
1419 unlock_user(target_smreqn, target_addr, 0);
1420
1421 return 0;
1422}
1423
1424static inline abi_long target_to_host_sockaddr(int fd, struct sockaddr *addr,
1425 abi_ulong target_addr,
1426 socklen_t len)
1427{
1428 const socklen_t unix_maxlen = sizeof (struct sockaddr_un);
1429 sa_family_t sa_family;
1430 struct target_sockaddr *target_saddr;
1431
1432 if (fd_trans_target_to_host_addr(fd)) {
1433 return fd_trans_target_to_host_addr(fd)(addr, target_addr, len);
1434 }
1435
1436 target_saddr = lock_user(VERIFY_READ, target_addr, len, 1);
1437 if (!target_saddr)
1438 return -TARGET_EFAULT;
1439
1440 sa_family = tswap16(target_saddr->sa_family);
1441
1442
1443
1444
1445
1446
1447
1448
1449
1450 if (sa_family == AF_UNIX) {
1451 if (len < unix_maxlen && len > 0) {
1452 char *cp = (char*)target_saddr;
1453
1454 if ( cp[len-1] && !cp[len] )
1455 len++;
1456 }
1457 if (len > unix_maxlen)
1458 len = unix_maxlen;
1459 }
1460
1461 memcpy(addr, target_saddr, len);
1462 addr->sa_family = sa_family;
1463 if (sa_family == AF_NETLINK) {
1464 struct sockaddr_nl *nladdr;
1465
1466 nladdr = (struct sockaddr_nl *)addr;
1467 nladdr->nl_pid = tswap32(nladdr->nl_pid);
1468 nladdr->nl_groups = tswap32(nladdr->nl_groups);
1469 } else if (sa_family == AF_PACKET) {
1470 struct target_sockaddr_ll *lladdr;
1471
1472 lladdr = (struct target_sockaddr_ll *)addr;
1473 lladdr->sll_ifindex = tswap32(lladdr->sll_ifindex);
1474 lladdr->sll_hatype = tswap16(lladdr->sll_hatype);
1475 }
1476 unlock_user(target_saddr, target_addr, 0);
1477
1478 return 0;
1479}
1480
1481static inline abi_long host_to_target_sockaddr(abi_ulong target_addr,
1482 struct sockaddr *addr,
1483 socklen_t len)
1484{
1485 struct target_sockaddr *target_saddr;
1486
1487 if (len == 0) {
1488 return 0;
1489 }
1490 assert(addr);
1491
1492 target_saddr = lock_user(VERIFY_WRITE, target_addr, len, 0);
1493 if (!target_saddr)
1494 return -TARGET_EFAULT;
1495 memcpy(target_saddr, addr, len);
1496 if (len >= offsetof(struct target_sockaddr, sa_family) +
1497 sizeof(target_saddr->sa_family)) {
1498 target_saddr->sa_family = tswap16(addr->sa_family);
1499 }
1500 if (addr->sa_family == AF_NETLINK &&
1501 len >= sizeof(struct target_sockaddr_nl)) {
1502 struct target_sockaddr_nl *target_nl =
1503 (struct target_sockaddr_nl *)target_saddr;
1504 target_nl->nl_pid = tswap32(target_nl->nl_pid);
1505 target_nl->nl_groups = tswap32(target_nl->nl_groups);
1506 } else if (addr->sa_family == AF_PACKET) {
1507 struct sockaddr_ll *target_ll = (struct sockaddr_ll *)target_saddr;
1508 target_ll->sll_ifindex = tswap32(target_ll->sll_ifindex);
1509 target_ll->sll_hatype = tswap16(target_ll->sll_hatype);
1510 } else if (addr->sa_family == AF_INET6 &&
1511 len >= sizeof(struct target_sockaddr_in6)) {
1512 struct target_sockaddr_in6 *target_in6 =
1513 (struct target_sockaddr_in6 *)target_saddr;
1514 target_in6->sin6_scope_id = tswap16(target_in6->sin6_scope_id);
1515 }
1516 unlock_user(target_saddr, target_addr, len);
1517
1518 return 0;
1519}
1520
1521static inline abi_long target_to_host_cmsg(struct msghdr *msgh,
1522 struct target_msghdr *target_msgh)
1523{
1524 struct cmsghdr *cmsg = CMSG_FIRSTHDR(msgh);
1525 abi_long msg_controllen;
1526 abi_ulong target_cmsg_addr;
1527 struct target_cmsghdr *target_cmsg, *target_cmsg_start;
1528 socklen_t space = 0;
1529
1530 msg_controllen = tswapal(target_msgh->msg_controllen);
1531 if (msg_controllen < sizeof (struct target_cmsghdr))
1532 goto the_end;
1533 target_cmsg_addr = tswapal(target_msgh->msg_control);
1534 target_cmsg = lock_user(VERIFY_READ, target_cmsg_addr, msg_controllen, 1);
1535 target_cmsg_start = target_cmsg;
1536 if (!target_cmsg)
1537 return -TARGET_EFAULT;
1538
1539 while (cmsg && target_cmsg) {
1540 void *data = CMSG_DATA(cmsg);
1541 void *target_data = TARGET_CMSG_DATA(target_cmsg);
1542
1543 int len = tswapal(target_cmsg->cmsg_len)
1544 - sizeof(struct target_cmsghdr);
1545
1546 space += CMSG_SPACE(len);
1547 if (space > msgh->msg_controllen) {
1548 space -= CMSG_SPACE(len);
1549
1550
1551
1552
1553
1554
1555
1556
1557
1558 gemu_log("Host cmsg overflow\n");
1559 break;
1560 }
1561
1562 if (tswap32(target_cmsg->cmsg_level) == TARGET_SOL_SOCKET) {
1563 cmsg->cmsg_level = SOL_SOCKET;
1564 } else {
1565 cmsg->cmsg_level = tswap32(target_cmsg->cmsg_level);
1566 }
1567 cmsg->cmsg_type = tswap32(target_cmsg->cmsg_type);
1568 cmsg->cmsg_len = CMSG_LEN(len);
1569
1570 if (cmsg->cmsg_level == SOL_SOCKET && cmsg->cmsg_type == SCM_RIGHTS) {
1571 int *fd = (int *)data;
1572 int *target_fd = (int *)target_data;
1573 int i, numfds = len / sizeof(int);
1574
1575 for (i = 0; i < numfds; i++) {
1576 __get_user(fd[i], target_fd + i);
1577 }
1578 } else if (cmsg->cmsg_level == SOL_SOCKET
1579 && cmsg->cmsg_type == SCM_CREDENTIALS) {
1580 struct ucred *cred = (struct ucred *)data;
1581 struct target_ucred *target_cred =
1582 (struct target_ucred *)target_data;
1583
1584 __get_user(cred->pid, &target_cred->pid);
1585 __get_user(cred->uid, &target_cred->uid);
1586 __get_user(cred->gid, &target_cred->gid);
1587 } else {
1588 gemu_log("Unsupported ancillary data: %d/%d\n",
1589 cmsg->cmsg_level, cmsg->cmsg_type);
1590 memcpy(data, target_data, len);
1591 }
1592
1593 cmsg = CMSG_NXTHDR(msgh, cmsg);
1594 target_cmsg = TARGET_CMSG_NXTHDR(target_msgh, target_cmsg,
1595 target_cmsg_start);
1596 }
1597 unlock_user(target_cmsg, target_cmsg_addr, 0);
1598 the_end:
1599 msgh->msg_controllen = space;
1600 return 0;
1601}
1602
1603static inline abi_long host_to_target_cmsg(struct target_msghdr *target_msgh,
1604 struct msghdr *msgh)
1605{
1606 struct cmsghdr *cmsg = CMSG_FIRSTHDR(msgh);
1607 abi_long msg_controllen;
1608 abi_ulong target_cmsg_addr;
1609 struct target_cmsghdr *target_cmsg, *target_cmsg_start;
1610 socklen_t space = 0;
1611
1612 msg_controllen = tswapal(target_msgh->msg_controllen);
1613 if (msg_controllen < sizeof (struct target_cmsghdr))
1614 goto the_end;
1615 target_cmsg_addr = tswapal(target_msgh->msg_control);
1616 target_cmsg = lock_user(VERIFY_WRITE, target_cmsg_addr, msg_controllen, 0);
1617 target_cmsg_start = target_cmsg;
1618 if (!target_cmsg)
1619 return -TARGET_EFAULT;
1620
1621 while (cmsg && target_cmsg) {
1622 void *data = CMSG_DATA(cmsg);
1623 void *target_data = TARGET_CMSG_DATA(target_cmsg);
1624
1625 int len = cmsg->cmsg_len - sizeof(struct cmsghdr);
1626 int tgt_len, tgt_space;
1627
1628
1629
1630
1631
1632
1633
1634 if (msg_controllen < sizeof(struct target_cmsghdr)) {
1635 target_msgh->msg_flags |= tswap32(MSG_CTRUNC);
1636 break;
1637 }
1638
1639 if (cmsg->cmsg_level == SOL_SOCKET) {
1640 target_cmsg->cmsg_level = tswap32(TARGET_SOL_SOCKET);
1641 } else {
1642 target_cmsg->cmsg_level = tswap32(cmsg->cmsg_level);
1643 }
1644 target_cmsg->cmsg_type = tswap32(cmsg->cmsg_type);
1645
1646
1647
1648
1649 tgt_len = len;
1650 switch (cmsg->cmsg_level) {
1651 case SOL_SOCKET:
1652 switch (cmsg->cmsg_type) {
1653 case SO_TIMESTAMP:
1654 tgt_len = sizeof(struct target_timeval);
1655 break;
1656 default:
1657 break;
1658 }
1659 break;
1660 default:
1661 break;
1662 }
1663
1664 if (msg_controllen < TARGET_CMSG_LEN(tgt_len)) {
1665 target_msgh->msg_flags |= tswap32(MSG_CTRUNC);
1666 tgt_len = msg_controllen - sizeof(struct target_cmsghdr);
1667 }
1668
1669
1670
1671
1672
1673
1674 switch (cmsg->cmsg_level) {
1675 case SOL_SOCKET:
1676 switch (cmsg->cmsg_type) {
1677 case SCM_RIGHTS:
1678 {
1679 int *fd = (int *)data;
1680 int *target_fd = (int *)target_data;
1681 int i, numfds = tgt_len / sizeof(int);
1682
1683 for (i = 0; i < numfds; i++) {
1684 __put_user(fd[i], target_fd + i);
1685 }
1686 break;
1687 }
1688 case SO_TIMESTAMP:
1689 {
1690 struct timeval *tv = (struct timeval *)data;
1691 struct target_timeval *target_tv =
1692 (struct target_timeval *)target_data;
1693
1694 if (len != sizeof(struct timeval) ||
1695 tgt_len != sizeof(struct target_timeval)) {
1696 goto unimplemented;
1697 }
1698
1699
1700 __put_user(tv->tv_sec, &target_tv->tv_sec);
1701 __put_user(tv->tv_usec, &target_tv->tv_usec);
1702 break;
1703 }
1704 case SCM_CREDENTIALS:
1705 {
1706 struct ucred *cred = (struct ucred *)data;
1707 struct target_ucred *target_cred =
1708 (struct target_ucred *)target_data;
1709
1710 __put_user(cred->pid, &target_cred->pid);
1711 __put_user(cred->uid, &target_cred->uid);
1712 __put_user(cred->gid, &target_cred->gid);
1713 break;
1714 }
1715 default:
1716 goto unimplemented;
1717 }
1718 break;
1719
1720 case SOL_IP:
1721 switch (cmsg->cmsg_type) {
1722 case IP_TTL:
1723 {
1724 uint32_t *v = (uint32_t *)data;
1725 uint32_t *t_int = (uint32_t *)target_data;
1726
1727 if (len != sizeof(uint32_t) ||
1728 tgt_len != sizeof(uint32_t)) {
1729 goto unimplemented;
1730 }
1731 __put_user(*v, t_int);
1732 break;
1733 }
1734 case IP_RECVERR:
1735 {
1736 struct errhdr_t {
1737 struct sock_extended_err ee;
1738 struct sockaddr_in offender;
1739 };
1740 struct errhdr_t *errh = (struct errhdr_t *)data;
1741 struct errhdr_t *target_errh =
1742 (struct errhdr_t *)target_data;
1743
1744 if (len != sizeof(struct errhdr_t) ||
1745 tgt_len != sizeof(struct errhdr_t)) {
1746 goto unimplemented;
1747 }
1748 __put_user(errh->ee.ee_errno, &target_errh->ee.ee_errno);
1749 __put_user(errh->ee.ee_origin, &target_errh->ee.ee_origin);
1750 __put_user(errh->ee.ee_type, &target_errh->ee.ee_type);
1751 __put_user(errh->ee.ee_code, &target_errh->ee.ee_code);
1752 __put_user(errh->ee.ee_pad, &target_errh->ee.ee_pad);
1753 __put_user(errh->ee.ee_info, &target_errh->ee.ee_info);
1754 __put_user(errh->ee.ee_data, &target_errh->ee.ee_data);
1755 host_to_target_sockaddr((unsigned long) &target_errh->offender,
1756 (void *) &errh->offender, sizeof(errh->offender));
1757 break;
1758 }
1759 default:
1760 goto unimplemented;
1761 }
1762 break;
1763
1764 case SOL_IPV6:
1765 switch (cmsg->cmsg_type) {
1766 case IPV6_HOPLIMIT:
1767 {
1768 uint32_t *v = (uint32_t *)data;
1769 uint32_t *t_int = (uint32_t *)target_data;
1770
1771 if (len != sizeof(uint32_t) ||
1772 tgt_len != sizeof(uint32_t)) {
1773 goto unimplemented;
1774 }
1775 __put_user(*v, t_int);
1776 break;
1777 }
1778 case IPV6_RECVERR:
1779 {
1780 struct errhdr6_t {
1781 struct sock_extended_err ee;
1782 struct sockaddr_in6 offender;
1783 };
1784 struct errhdr6_t *errh = (struct errhdr6_t *)data;
1785 struct errhdr6_t *target_errh =
1786 (struct errhdr6_t *)target_data;
1787
1788 if (len != sizeof(struct errhdr6_t) ||
1789 tgt_len != sizeof(struct errhdr6_t)) {
1790 goto unimplemented;
1791 }
1792 __put_user(errh->ee.ee_errno, &target_errh->ee.ee_errno);
1793 __put_user(errh->ee.ee_origin, &target_errh->ee.ee_origin);
1794 __put_user(errh->ee.ee_type, &target_errh->ee.ee_type);
1795 __put_user(errh->ee.ee_code, &target_errh->ee.ee_code);
1796 __put_user(errh->ee.ee_pad, &target_errh->ee.ee_pad);
1797 __put_user(errh->ee.ee_info, &target_errh->ee.ee_info);
1798 __put_user(errh->ee.ee_data, &target_errh->ee.ee_data);
1799 host_to_target_sockaddr((unsigned long) &target_errh->offender,
1800 (void *) &errh->offender, sizeof(errh->offender));
1801 break;
1802 }
1803 default:
1804 goto unimplemented;
1805 }
1806 break;
1807
1808 default:
1809 unimplemented:
1810 gemu_log("Unsupported ancillary data: %d/%d\n",
1811 cmsg->cmsg_level, cmsg->cmsg_type);
1812 memcpy(target_data, data, MIN(len, tgt_len));
1813 if (tgt_len > len) {
1814 memset(target_data + len, 0, tgt_len - len);
1815 }
1816 }
1817
1818 target_cmsg->cmsg_len = tswapal(TARGET_CMSG_LEN(tgt_len));
1819 tgt_space = TARGET_CMSG_SPACE(tgt_len);
1820 if (msg_controllen < tgt_space) {
1821 tgt_space = msg_controllen;
1822 }
1823 msg_controllen -= tgt_space;
1824 space += tgt_space;
1825 cmsg = CMSG_NXTHDR(msgh, cmsg);
1826 target_cmsg = TARGET_CMSG_NXTHDR(target_msgh, target_cmsg,
1827 target_cmsg_start);
1828 }
1829 unlock_user(target_cmsg, target_cmsg_addr, space);
1830 the_end:
1831 target_msgh->msg_controllen = tswapal(space);
1832 return 0;
1833}
1834
1835
1836static abi_long do_setsockopt(int sockfd, int level, int optname,
1837 abi_ulong optval_addr, socklen_t optlen)
1838{
1839 abi_long ret;
1840 int val;
1841 struct ip_mreqn *ip_mreq;
1842 struct ip_mreq_source *ip_mreq_source;
1843
1844 switch(level) {
1845 case SOL_TCP:
1846
1847 if (optlen < sizeof(uint32_t))
1848 return -TARGET_EINVAL;
1849
1850 if (get_user_u32(val, optval_addr))
1851 return -TARGET_EFAULT;
1852 ret = get_errno(setsockopt(sockfd, level, optname, &val, sizeof(val)));
1853 break;
1854 case SOL_IP:
1855 switch(optname) {
1856 case IP_TOS:
1857 case IP_TTL:
1858 case IP_HDRINCL:
1859 case IP_ROUTER_ALERT:
1860 case IP_RECVOPTS:
1861 case IP_RETOPTS:
1862 case IP_PKTINFO:
1863 case IP_MTU_DISCOVER:
1864 case IP_RECVERR:
1865 case IP_RECVTTL:
1866 case IP_RECVTOS:
1867#ifdef IP_FREEBIND
1868 case IP_FREEBIND:
1869#endif
1870 case IP_MULTICAST_TTL:
1871 case IP_MULTICAST_LOOP:
1872 val = 0;
1873 if (optlen >= sizeof(uint32_t)) {
1874 if (get_user_u32(val, optval_addr))
1875 return -TARGET_EFAULT;
1876 } else if (optlen >= 1) {
1877 if (get_user_u8(val, optval_addr))
1878 return -TARGET_EFAULT;
1879 }
1880 ret = get_errno(setsockopt(sockfd, level, optname, &val, sizeof(val)));
1881 break;
1882 case IP_ADD_MEMBERSHIP:
1883 case IP_DROP_MEMBERSHIP:
1884 if (optlen < sizeof (struct target_ip_mreq) ||
1885 optlen > sizeof (struct target_ip_mreqn))
1886 return -TARGET_EINVAL;
1887
1888 ip_mreq = (struct ip_mreqn *) alloca(optlen);
1889 target_to_host_ip_mreq(ip_mreq, optval_addr, optlen);
1890 ret = get_errno(setsockopt(sockfd, level, optname, ip_mreq, optlen));
1891 break;
1892
1893 case IP_BLOCK_SOURCE:
1894 case IP_UNBLOCK_SOURCE:
1895 case IP_ADD_SOURCE_MEMBERSHIP:
1896 case IP_DROP_SOURCE_MEMBERSHIP:
1897 if (optlen != sizeof (struct target_ip_mreq_source))
1898 return -TARGET_EINVAL;
1899
1900 ip_mreq_source = lock_user(VERIFY_READ, optval_addr, optlen, 1);
1901 ret = get_errno(setsockopt(sockfd, level, optname, ip_mreq_source, optlen));
1902 unlock_user (ip_mreq_source, optval_addr, 0);
1903 break;
1904
1905 default:
1906 goto unimplemented;
1907 }
1908 break;
1909 case SOL_IPV6:
1910 switch (optname) {
1911 case IPV6_MTU_DISCOVER:
1912 case IPV6_MTU:
1913 case IPV6_V6ONLY:
1914 case IPV6_RECVPKTINFO:
1915 case IPV6_UNICAST_HOPS:
1916 case IPV6_MULTICAST_HOPS:
1917 case IPV6_MULTICAST_LOOP:
1918 case IPV6_RECVERR:
1919 case IPV6_RECVHOPLIMIT:
1920 case IPV6_2292HOPLIMIT:
1921 case IPV6_CHECKSUM:
1922 case IPV6_ADDRFORM:
1923 case IPV6_2292PKTINFO:
1924 case IPV6_RECVTCLASS:
1925 case IPV6_RECVRTHDR:
1926 case IPV6_2292RTHDR:
1927 case IPV6_RECVHOPOPTS:
1928 case IPV6_2292HOPOPTS:
1929 case IPV6_RECVDSTOPTS:
1930 case IPV6_2292DSTOPTS:
1931 case IPV6_TCLASS:
1932#ifdef IPV6_RECVPATHMTU
1933 case IPV6_RECVPATHMTU:
1934#endif
1935#ifdef IPV6_TRANSPARENT
1936 case IPV6_TRANSPARENT:
1937#endif
1938#ifdef IPV6_FREEBIND
1939 case IPV6_FREEBIND:
1940#endif
1941#ifdef IPV6_RECVORIGDSTADDR
1942 case IPV6_RECVORIGDSTADDR:
1943#endif
1944 val = 0;
1945 if (optlen < sizeof(uint32_t)) {
1946 return -TARGET_EINVAL;
1947 }
1948 if (get_user_u32(val, optval_addr)) {
1949 return -TARGET_EFAULT;
1950 }
1951 ret = get_errno(setsockopt(sockfd, level, optname,
1952 &val, sizeof(val)));
1953 break;
1954 case IPV6_PKTINFO:
1955 {
1956 struct in6_pktinfo pki;
1957
1958 if (optlen < sizeof(pki)) {
1959 return -TARGET_EINVAL;
1960 }
1961
1962 if (copy_from_user(&pki, optval_addr, sizeof(pki))) {
1963 return -TARGET_EFAULT;
1964 }
1965
1966 pki.ipi6_ifindex = tswap32(pki.ipi6_ifindex);
1967
1968 ret = get_errno(setsockopt(sockfd, level, optname,
1969 &pki, sizeof(pki)));
1970 break;
1971 }
1972 case IPV6_ADD_MEMBERSHIP:
1973 case IPV6_DROP_MEMBERSHIP:
1974 {
1975 struct ipv6_mreq ipv6mreq;
1976
1977 if (optlen < sizeof(ipv6mreq)) {
1978 return -TARGET_EINVAL;
1979 }
1980
1981 if (copy_from_user(&ipv6mreq, optval_addr, sizeof(ipv6mreq))) {
1982 return -TARGET_EFAULT;
1983 }
1984
1985 ipv6mreq.ipv6mr_interface = tswap32(ipv6mreq.ipv6mr_interface);
1986
1987 ret = get_errno(setsockopt(sockfd, level, optname,
1988 &ipv6mreq, sizeof(ipv6mreq)));
1989 break;
1990 }
1991 default:
1992 goto unimplemented;
1993 }
1994 break;
1995 case SOL_ICMPV6:
1996 switch (optname) {
1997 case ICMPV6_FILTER:
1998 {
1999 struct icmp6_filter icmp6f;
2000
2001 if (optlen > sizeof(icmp6f)) {
2002 optlen = sizeof(icmp6f);
2003 }
2004
2005 if (copy_from_user(&icmp6f, optval_addr, optlen)) {
2006 return -TARGET_EFAULT;
2007 }
2008
2009 for (val = 0; val < 8; val++) {
2010 icmp6f.data[val] = tswap32(icmp6f.data[val]);
2011 }
2012
2013 ret = get_errno(setsockopt(sockfd, level, optname,
2014 &icmp6f, optlen));
2015 break;
2016 }
2017 default:
2018 goto unimplemented;
2019 }
2020 break;
2021 case SOL_RAW:
2022 switch (optname) {
2023 case ICMP_FILTER:
2024 case IPV6_CHECKSUM:
2025
2026 if (optlen < sizeof(uint32_t)) {
2027 return -TARGET_EINVAL;
2028 }
2029
2030 if (get_user_u32(val, optval_addr)) {
2031 return -TARGET_EFAULT;
2032 }
2033 ret = get_errno(setsockopt(sockfd, level, optname,
2034 &val, sizeof(val)));
2035 break;
2036
2037 default:
2038 goto unimplemented;
2039 }
2040 break;
2041#if defined(SOL_ALG) && defined(ALG_SET_KEY) && defined(ALG_SET_AEAD_AUTHSIZE)
2042 case SOL_ALG:
2043 switch (optname) {
2044 case ALG_SET_KEY:
2045 {
2046 char *alg_key = g_malloc(optlen);
2047
2048 if (!alg_key) {
2049 return -TARGET_ENOMEM;
2050 }
2051 if (copy_from_user(alg_key, optval_addr, optlen)) {
2052 g_free(alg_key);
2053 return -TARGET_EFAULT;
2054 }
2055 ret = get_errno(setsockopt(sockfd, level, optname,
2056 alg_key, optlen));
2057 g_free(alg_key);
2058 break;
2059 }
2060 case ALG_SET_AEAD_AUTHSIZE:
2061 {
2062 ret = get_errno(setsockopt(sockfd, level, optname,
2063 NULL, optlen));
2064 break;
2065 }
2066 default:
2067 goto unimplemented;
2068 }
2069 break;
2070#endif
2071 case TARGET_SOL_SOCKET:
2072 switch (optname) {
2073 case TARGET_SO_RCVTIMEO:
2074 {
2075 struct timeval tv;
2076
2077 optname = SO_RCVTIMEO;
2078
2079set_timeout:
2080 if (optlen != sizeof(struct target_timeval)) {
2081 return -TARGET_EINVAL;
2082 }
2083
2084 if (copy_from_user_timeval(&tv, optval_addr)) {
2085 return -TARGET_EFAULT;
2086 }
2087
2088 ret = get_errno(setsockopt(sockfd, SOL_SOCKET, optname,
2089 &tv, sizeof(tv)));
2090 return ret;
2091 }
2092 case TARGET_SO_SNDTIMEO:
2093 optname = SO_SNDTIMEO;
2094 goto set_timeout;
2095 case TARGET_SO_ATTACH_FILTER:
2096 {
2097 struct target_sock_fprog *tfprog;
2098 struct target_sock_filter *tfilter;
2099 struct sock_fprog fprog;
2100 struct sock_filter *filter;
2101 int i;
2102
2103 if (optlen != sizeof(*tfprog)) {
2104 return -TARGET_EINVAL;
2105 }
2106 if (!lock_user_struct(VERIFY_READ, tfprog, optval_addr, 0)) {
2107 return -TARGET_EFAULT;
2108 }
2109 if (!lock_user_struct(VERIFY_READ, tfilter,
2110 tswapal(tfprog->filter), 0)) {
2111 unlock_user_struct(tfprog, optval_addr, 1);
2112 return -TARGET_EFAULT;
2113 }
2114
2115 fprog.len = tswap16(tfprog->len);
2116 filter = g_try_new(struct sock_filter, fprog.len);
2117 if (filter == NULL) {
2118 unlock_user_struct(tfilter, tfprog->filter, 1);
2119 unlock_user_struct(tfprog, optval_addr, 1);
2120 return -TARGET_ENOMEM;
2121 }
2122 for (i = 0; i < fprog.len; i++) {
2123 filter[i].code = tswap16(tfilter[i].code);
2124 filter[i].jt = tfilter[i].jt;
2125 filter[i].jf = tfilter[i].jf;
2126 filter[i].k = tswap32(tfilter[i].k);
2127 }
2128 fprog.filter = filter;
2129
2130 ret = get_errno(setsockopt(sockfd, SOL_SOCKET,
2131 SO_ATTACH_FILTER, &fprog, sizeof(fprog)));
2132 g_free(filter);
2133
2134 unlock_user_struct(tfilter, tfprog->filter, 1);
2135 unlock_user_struct(tfprog, optval_addr, 1);
2136 return ret;
2137 }
2138 case TARGET_SO_BINDTODEVICE:
2139 {
2140 char *dev_ifname, *addr_ifname;
2141
2142 if (optlen > IFNAMSIZ - 1) {
2143 optlen = IFNAMSIZ - 1;
2144 }
2145 dev_ifname = lock_user(VERIFY_READ, optval_addr, optlen, 1);
2146 if (!dev_ifname) {
2147 return -TARGET_EFAULT;
2148 }
2149 optname = SO_BINDTODEVICE;
2150 addr_ifname = alloca(IFNAMSIZ);
2151 memcpy(addr_ifname, dev_ifname, optlen);
2152 addr_ifname[optlen] = 0;
2153 ret = get_errno(setsockopt(sockfd, SOL_SOCKET, optname,
2154 addr_ifname, optlen));
2155 unlock_user (dev_ifname, optval_addr, 0);
2156 return ret;
2157 }
2158 case TARGET_SO_LINGER:
2159 {
2160 struct linger lg;
2161 struct target_linger *tlg;
2162
2163 if (optlen != sizeof(struct target_linger)) {
2164 return -TARGET_EINVAL;
2165 }
2166 if (!lock_user_struct(VERIFY_READ, tlg, optval_addr, 1)) {
2167 return -TARGET_EFAULT;
2168 }
2169 __get_user(lg.l_onoff, &tlg->l_onoff);
2170 __get_user(lg.l_linger, &tlg->l_linger);
2171 ret = get_errno(setsockopt(sockfd, SOL_SOCKET, SO_LINGER,
2172 &lg, sizeof(lg)));
2173 unlock_user_struct(tlg, optval_addr, 0);
2174 return ret;
2175 }
2176
2177 case TARGET_SO_DEBUG:
2178 optname = SO_DEBUG;
2179 break;
2180 case TARGET_SO_REUSEADDR:
2181 optname = SO_REUSEADDR;
2182 break;
2183#ifdef SO_REUSEPORT
2184 case TARGET_SO_REUSEPORT:
2185 optname = SO_REUSEPORT;
2186 break;
2187#endif
2188 case TARGET_SO_TYPE:
2189 optname = SO_TYPE;
2190 break;
2191 case TARGET_SO_ERROR:
2192 optname = SO_ERROR;
2193 break;
2194 case TARGET_SO_DONTROUTE:
2195 optname = SO_DONTROUTE;
2196 break;
2197 case TARGET_SO_BROADCAST:
2198 optname = SO_BROADCAST;
2199 break;
2200 case TARGET_SO_SNDBUF:
2201 optname = SO_SNDBUF;
2202 break;
2203 case TARGET_SO_SNDBUFFORCE:
2204 optname = SO_SNDBUFFORCE;
2205 break;
2206 case TARGET_SO_RCVBUF:
2207 optname = SO_RCVBUF;
2208 break;
2209 case TARGET_SO_RCVBUFFORCE:
2210 optname = SO_RCVBUFFORCE;
2211 break;
2212 case TARGET_SO_KEEPALIVE:
2213 optname = SO_KEEPALIVE;
2214 break;
2215 case TARGET_SO_OOBINLINE:
2216 optname = SO_OOBINLINE;
2217 break;
2218 case TARGET_SO_NO_CHECK:
2219 optname = SO_NO_CHECK;
2220 break;
2221 case TARGET_SO_PRIORITY:
2222 optname = SO_PRIORITY;
2223 break;
2224#ifdef SO_BSDCOMPAT
2225 case TARGET_SO_BSDCOMPAT:
2226 optname = SO_BSDCOMPAT;
2227 break;
2228#endif
2229 case TARGET_SO_PASSCRED:
2230 optname = SO_PASSCRED;
2231 break;
2232 case TARGET_SO_PASSSEC:
2233 optname = SO_PASSSEC;
2234 break;
2235 case TARGET_SO_TIMESTAMP:
2236 optname = SO_TIMESTAMP;
2237 break;
2238 case TARGET_SO_RCVLOWAT:
2239 optname = SO_RCVLOWAT;
2240 break;
2241 default:
2242 goto unimplemented;
2243 }
2244 if (optlen < sizeof(uint32_t))
2245 return -TARGET_EINVAL;
2246
2247 if (get_user_u32(val, optval_addr))
2248 return -TARGET_EFAULT;
2249 ret = get_errno(setsockopt(sockfd, SOL_SOCKET, optname, &val, sizeof(val)));
2250 break;
2251#ifdef SOL_NETLINK
2252 case SOL_NETLINK:
2253 switch (optname) {
2254 case NETLINK_PKTINFO:
2255 case NETLINK_ADD_MEMBERSHIP:
2256 case NETLINK_DROP_MEMBERSHIP:
2257 case NETLINK_BROADCAST_ERROR:
2258 case NETLINK_NO_ENOBUFS:
2259#if LINUX_VERSION_CODE >= KERNEL_VERSION(4, 2, 0)
2260 case NETLINK_LISTEN_ALL_NSID:
2261 case NETLINK_CAP_ACK:
2262#endif
2263#if LINUX_VERSION_CODE >= KERNEL_VERSION(4, 12, 0)
2264 case NETLINK_EXT_ACK:
2265#endif
2266#if LINUX_VERSION_CODE >= KERNEL_VERSION(4, 20, 0)
2267 case NETLINK_GET_STRICT_CHK:
2268#endif
2269 break;
2270 default:
2271 goto unimplemented;
2272 }
2273 val = 0;
2274 if (optlen < sizeof(uint32_t)) {
2275 return -TARGET_EINVAL;
2276 }
2277 if (get_user_u32(val, optval_addr)) {
2278 return -TARGET_EFAULT;
2279 }
2280 ret = get_errno(setsockopt(sockfd, SOL_NETLINK, optname, &val,
2281 sizeof(val)));
2282 break;
2283#endif
2284 default:
2285 unimplemented:
2286 gemu_log("Unsupported setsockopt level=%d optname=%d\n", level, optname);
2287 ret = -TARGET_ENOPROTOOPT;
2288 }
2289 return ret;
2290}
2291
2292
2293static abi_long do_getsockopt(int sockfd, int level, int optname,
2294 abi_ulong optval_addr, abi_ulong optlen)
2295{
2296 abi_long ret;
2297 int len, val;
2298 socklen_t lv;
2299
2300 switch(level) {
2301 case TARGET_SOL_SOCKET:
2302 level = SOL_SOCKET;
2303 switch (optname) {
2304
2305 case TARGET_SO_RCVTIMEO:
2306 case TARGET_SO_SNDTIMEO:
2307 case TARGET_SO_PEERNAME:
2308 goto unimplemented;
2309 case TARGET_SO_PEERCRED: {
2310 struct ucred cr;
2311 socklen_t crlen;
2312 struct target_ucred *tcr;
2313
2314 if (get_user_u32(len, optlen)) {
2315 return -TARGET_EFAULT;
2316 }
2317 if (len < 0) {
2318 return -TARGET_EINVAL;
2319 }
2320
2321 crlen = sizeof(cr);
2322 ret = get_errno(getsockopt(sockfd, level, SO_PEERCRED,
2323 &cr, &crlen));
2324 if (ret < 0) {
2325 return ret;
2326 }
2327 if (len > crlen) {
2328 len = crlen;
2329 }
2330 if (!lock_user_struct(VERIFY_WRITE, tcr, optval_addr, 0)) {
2331 return -TARGET_EFAULT;
2332 }
2333 __put_user(cr.pid, &tcr->pid);
2334 __put_user(cr.uid, &tcr->uid);
2335 __put_user(cr.gid, &tcr->gid);
2336 unlock_user_struct(tcr, optval_addr, 1);
2337 if (put_user_u32(len, optlen)) {
2338 return -TARGET_EFAULT;
2339 }
2340 break;
2341 }
2342 case TARGET_SO_LINGER:
2343 {
2344 struct linger lg;
2345 socklen_t lglen;
2346 struct target_linger *tlg;
2347
2348 if (get_user_u32(len, optlen)) {
2349 return -TARGET_EFAULT;
2350 }
2351 if (len < 0) {
2352 return -TARGET_EINVAL;
2353 }
2354
2355 lglen = sizeof(lg);
2356 ret = get_errno(getsockopt(sockfd, level, SO_LINGER,
2357 &lg, &lglen));
2358 if (ret < 0) {
2359 return ret;
2360 }
2361 if (len > lglen) {
2362 len = lglen;
2363 }
2364 if (!lock_user_struct(VERIFY_WRITE, tlg, optval_addr, 0)) {
2365 return -TARGET_EFAULT;
2366 }
2367 __put_user(lg.l_onoff, &tlg->l_onoff);
2368 __put_user(lg.l_linger, &tlg->l_linger);
2369 unlock_user_struct(tlg, optval_addr, 1);
2370 if (put_user_u32(len, optlen)) {
2371 return -TARGET_EFAULT;
2372 }
2373 break;
2374 }
2375
2376 case TARGET_SO_DEBUG:
2377 optname = SO_DEBUG;
2378 goto int_case;
2379 case TARGET_SO_REUSEADDR:
2380 optname = SO_REUSEADDR;
2381 goto int_case;
2382#ifdef SO_REUSEPORT
2383 case TARGET_SO_REUSEPORT:
2384 optname = SO_REUSEPORT;
2385 goto int_case;
2386#endif
2387 case TARGET_SO_TYPE:
2388 optname = SO_TYPE;
2389 goto int_case;
2390 case TARGET_SO_ERROR:
2391 optname = SO_ERROR;
2392 goto int_case;
2393 case TARGET_SO_DONTROUTE:
2394 optname = SO_DONTROUTE;
2395 goto int_case;
2396 case TARGET_SO_BROADCAST:
2397 optname = SO_BROADCAST;
2398 goto int_case;
2399 case TARGET_SO_SNDBUF:
2400 optname = SO_SNDBUF;
2401 goto int_case;
2402 case TARGET_SO_RCVBUF:
2403 optname = SO_RCVBUF;
2404 goto int_case;
2405 case TARGET_SO_KEEPALIVE:
2406 optname = SO_KEEPALIVE;
2407 goto int_case;
2408 case TARGET_SO_OOBINLINE:
2409 optname = SO_OOBINLINE;
2410 goto int_case;
2411 case TARGET_SO_NO_CHECK:
2412 optname = SO_NO_CHECK;
2413 goto int_case;
2414 case TARGET_SO_PRIORITY:
2415 optname = SO_PRIORITY;
2416 goto int_case;
2417#ifdef SO_BSDCOMPAT
2418 case TARGET_SO_BSDCOMPAT:
2419 optname = SO_BSDCOMPAT;
2420 goto int_case;
2421#endif
2422 case TARGET_SO_PASSCRED:
2423 optname = SO_PASSCRED;
2424 goto int_case;
2425 case TARGET_SO_TIMESTAMP:
2426 optname = SO_TIMESTAMP;
2427 goto int_case;
2428 case TARGET_SO_RCVLOWAT:
2429 optname = SO_RCVLOWAT;
2430 goto int_case;
2431 case TARGET_SO_ACCEPTCONN:
2432 optname = SO_ACCEPTCONN;
2433 goto int_case;
2434 default:
2435 goto int_case;
2436 }
2437 break;
2438 case SOL_TCP:
2439
2440 int_case:
2441 if (get_user_u32(len, optlen))
2442 return -TARGET_EFAULT;
2443 if (len < 0)
2444 return -TARGET_EINVAL;
2445 lv = sizeof(lv);
2446 ret = get_errno(getsockopt(sockfd, level, optname, &val, &lv));
2447 if (ret < 0)
2448 return ret;
2449 if (optname == SO_TYPE) {
2450 val = host_to_target_sock_type(val);
2451 }
2452 if (len > lv)
2453 len = lv;
2454 if (len == 4) {
2455 if (put_user_u32(val, optval_addr))
2456 return -TARGET_EFAULT;
2457 } else {
2458 if (put_user_u8(val, optval_addr))
2459 return -TARGET_EFAULT;
2460 }
2461 if (put_user_u32(len, optlen))
2462 return -TARGET_EFAULT;
2463 break;
2464 case SOL_IP:
2465 switch(optname) {
2466 case IP_TOS:
2467 case IP_TTL:
2468 case IP_HDRINCL:
2469 case IP_ROUTER_ALERT:
2470 case IP_RECVOPTS:
2471 case IP_RETOPTS:
2472 case IP_PKTINFO:
2473 case IP_MTU_DISCOVER:
2474 case IP_RECVERR:
2475 case IP_RECVTOS:
2476#ifdef IP_FREEBIND
2477 case IP_FREEBIND:
2478#endif
2479 case IP_MULTICAST_TTL:
2480 case IP_MULTICAST_LOOP:
2481 if (get_user_u32(len, optlen))
2482 return -TARGET_EFAULT;
2483 if (len < 0)
2484 return -TARGET_EINVAL;
2485 lv = sizeof(lv);
2486 ret = get_errno(getsockopt(sockfd, level, optname, &val, &lv));
2487 if (ret < 0)
2488 return ret;
2489 if (len < sizeof(int) && len > 0 && val >= 0 && val < 255) {
2490 len = 1;
2491 if (put_user_u32(len, optlen)
2492 || put_user_u8(val, optval_addr))
2493 return -TARGET_EFAULT;
2494 } else {
2495 if (len > sizeof(int))
2496 len = sizeof(int);
2497 if (put_user_u32(len, optlen)
2498 || put_user_u32(val, optval_addr))
2499 return -TARGET_EFAULT;
2500 }
2501 break;
2502 default:
2503 ret = -TARGET_ENOPROTOOPT;
2504 break;
2505 }
2506 break;
2507 case SOL_IPV6:
2508 switch (optname) {
2509 case IPV6_MTU_DISCOVER:
2510 case IPV6_MTU:
2511 case IPV6_V6ONLY:
2512 case IPV6_RECVPKTINFO:
2513 case IPV6_UNICAST_HOPS:
2514 case IPV6_MULTICAST_HOPS:
2515 case IPV6_MULTICAST_LOOP:
2516 case IPV6_RECVERR:
2517 case IPV6_RECVHOPLIMIT:
2518 case IPV6_2292HOPLIMIT:
2519 case IPV6_CHECKSUM:
2520 case IPV6_ADDRFORM:
2521 case IPV6_2292PKTINFO:
2522 case IPV6_RECVTCLASS:
2523 case IPV6_RECVRTHDR:
2524 case IPV6_2292RTHDR:
2525 case IPV6_RECVHOPOPTS:
2526 case IPV6_2292HOPOPTS:
2527 case IPV6_RECVDSTOPTS:
2528 case IPV6_2292DSTOPTS:
2529 case IPV6_TCLASS:
2530#ifdef IPV6_RECVPATHMTU
2531 case IPV6_RECVPATHMTU:
2532#endif
2533#ifdef IPV6_TRANSPARENT
2534 case IPV6_TRANSPARENT:
2535#endif
2536#ifdef IPV6_FREEBIND
2537 case IPV6_FREEBIND:
2538#endif
2539#ifdef IPV6_RECVORIGDSTADDR
2540 case IPV6_RECVORIGDSTADDR:
2541#endif
2542 if (get_user_u32(len, optlen))
2543 return -TARGET_EFAULT;
2544 if (len < 0)
2545 return -TARGET_EINVAL;
2546 lv = sizeof(lv);
2547 ret = get_errno(getsockopt(sockfd, level, optname, &val, &lv));
2548 if (ret < 0)
2549 return ret;
2550 if (len < sizeof(int) && len > 0 && val >= 0 && val < 255) {
2551 len = 1;
2552 if (put_user_u32(len, optlen)
2553 || put_user_u8(val, optval_addr))
2554 return -TARGET_EFAULT;
2555 } else {
2556 if (len > sizeof(int))
2557 len = sizeof(int);
2558 if (put_user_u32(len, optlen)
2559 || put_user_u32(val, optval_addr))
2560 return -TARGET_EFAULT;
2561 }
2562 break;
2563 default:
2564 ret = -TARGET_ENOPROTOOPT;
2565 break;
2566 }
2567 break;
2568#ifdef SOL_NETLINK
2569 case SOL_NETLINK:
2570 switch (optname) {
2571 case NETLINK_PKTINFO:
2572 case NETLINK_BROADCAST_ERROR:
2573 case NETLINK_NO_ENOBUFS:
2574#if LINUX_VERSION_CODE >= KERNEL_VERSION(4, 2, 0)
2575 case NETLINK_LISTEN_ALL_NSID:
2576 case NETLINK_CAP_ACK:
2577#endif
2578#if LINUX_VERSION_CODE >= KERNEL_VERSION(4, 12, 0)
2579 case NETLINK_EXT_ACK:
2580#endif
2581#if LINUX_VERSION_CODE >= KERNEL_VERSION(4, 20, 0)
2582 case NETLINK_GET_STRICT_CHK:
2583#endif
2584 if (get_user_u32(len, optlen)) {
2585 return -TARGET_EFAULT;
2586 }
2587 if (len != sizeof(val)) {
2588 return -TARGET_EINVAL;
2589 }
2590 lv = len;
2591 ret = get_errno(getsockopt(sockfd, level, optname, &val, &lv));
2592 if (ret < 0) {
2593 return ret;
2594 }
2595 if (put_user_u32(lv, optlen)
2596 || put_user_u32(val, optval_addr)) {
2597 return -TARGET_EFAULT;
2598 }
2599 break;
2600#if LINUX_VERSION_CODE >= KERNEL_VERSION(4, 2, 0)
2601 case NETLINK_LIST_MEMBERSHIPS:
2602 {
2603 uint32_t *results;
2604 int i;
2605 if (get_user_u32(len, optlen)) {
2606 return -TARGET_EFAULT;
2607 }
2608 if (len < 0) {
2609 return -TARGET_EINVAL;
2610 }
2611 results = lock_user(VERIFY_WRITE, optval_addr, len, 1);
2612 if (!results) {
2613 return -TARGET_EFAULT;
2614 }
2615 lv = len;
2616 ret = get_errno(getsockopt(sockfd, level, optname, results, &lv));
2617 if (ret < 0) {
2618 unlock_user(results, optval_addr, 0);
2619 return ret;
2620 }
2621
2622 for (i = 0; i < (len / sizeof(uint32_t)); i++) {
2623 results[i] = tswap32(results[i]);
2624 }
2625 if (put_user_u32(lv, optlen)) {
2626 return -TARGET_EFAULT;
2627 }
2628 unlock_user(results, optval_addr, 0);
2629 break;
2630 }
2631#endif
2632 default:
2633 goto unimplemented;
2634 }
2635 break;
2636#endif
2637 default:
2638 unimplemented:
2639 gemu_log("getsockopt level=%d optname=%d not yet supported\n",
2640 level, optname);
2641 ret = -TARGET_EOPNOTSUPP;
2642 break;
2643 }
2644 return ret;
2645}
2646
2647
2648
2649
2650
2651static void target_to_host_low_high(abi_ulong tlow,
2652 abi_ulong thigh,
2653 unsigned long *hlow,
2654 unsigned long *hhigh)
2655{
2656 uint64_t off = tlow |
2657 ((unsigned long long)thigh << TARGET_LONG_BITS / 2) <<
2658 TARGET_LONG_BITS / 2;
2659
2660 *hlow = off;
2661 *hhigh = (off >> HOST_LONG_BITS / 2) >> HOST_LONG_BITS / 2;
2662}
2663
2664static struct iovec *lock_iovec(int type, abi_ulong target_addr,
2665 abi_ulong count, int copy)
2666{
2667 struct target_iovec *target_vec;
2668 struct iovec *vec;
2669 abi_ulong total_len, max_len;
2670 int i;
2671 int err = 0;
2672 bool bad_address = false;
2673
2674 if (count == 0) {
2675 errno = 0;
2676 return NULL;
2677 }
2678 if (count > IOV_MAX) {
2679 errno = EINVAL;
2680 return NULL;
2681 }
2682
2683 vec = g_try_new0(struct iovec, count);
2684 if (vec == NULL) {
2685 errno = ENOMEM;
2686 return NULL;
2687 }
2688
2689 target_vec = lock_user(VERIFY_READ, target_addr,
2690 count * sizeof(struct target_iovec), 1);
2691 if (target_vec == NULL) {
2692 err = EFAULT;
2693 goto fail2;
2694 }
2695
2696
2697
2698 max_len = 0x7fffffff & TARGET_PAGE_MASK;
2699 total_len = 0;
2700
2701 for (i = 0; i < count; i++) {
2702 abi_ulong base = tswapal(target_vec[i].iov_base);
2703 abi_long len = tswapal(target_vec[i].iov_len);
2704
2705 if (len < 0) {
2706 err = EINVAL;
2707 goto fail;
2708 } else if (len == 0) {
2709
2710 vec[i].iov_base = 0;
2711 } else {
2712 vec[i].iov_base = lock_user(type, base, len, copy);
2713
2714
2715
2716
2717 if (!vec[i].iov_base) {
2718 if (i == 0) {
2719 err = EFAULT;
2720 goto fail;
2721 } else {
2722 bad_address = true;
2723 }
2724 }
2725 if (bad_address) {
2726 len = 0;
2727 }
2728 if (len > max_len - total_len) {
2729 len = max_len - total_len;
2730 }
2731 }
2732 vec[i].iov_len = len;
2733 total_len += len;
2734 }
2735
2736 unlock_user(target_vec, target_addr, 0);
2737 return vec;
2738
2739 fail:
2740 while (--i >= 0) {
2741 if (tswapal(target_vec[i].iov_len) > 0) {
2742 unlock_user(vec[i].iov_base, tswapal(target_vec[i].iov_base), 0);
2743 }
2744 }
2745 unlock_user(target_vec, target_addr, 0);
2746 fail2:
2747 g_free(vec);
2748 errno = err;
2749 return NULL;
2750}
2751
2752static void unlock_iovec(struct iovec *vec, abi_ulong target_addr,
2753 abi_ulong count, int copy)
2754{
2755 struct target_iovec *target_vec;
2756 int i;
2757
2758 target_vec = lock_user(VERIFY_READ, target_addr,
2759 count * sizeof(struct target_iovec), 1);
2760 if (target_vec) {
2761 for (i = 0; i < count; i++) {
2762 abi_ulong base = tswapal(target_vec[i].iov_base);
2763 abi_long len = tswapal(target_vec[i].iov_len);
2764 if (len < 0) {
2765 break;
2766 }
2767 unlock_user(vec[i].iov_base, base, copy ? vec[i].iov_len : 0);
2768 }
2769 unlock_user(target_vec, target_addr, 0);
2770 }
2771
2772 g_free(vec);
2773}
2774
2775static inline int target_to_host_sock_type(int *type)
2776{
2777 int host_type = 0;
2778 int target_type = *type;
2779
2780 switch (target_type & TARGET_SOCK_TYPE_MASK) {
2781 case TARGET_SOCK_DGRAM:
2782 host_type = SOCK_DGRAM;
2783 break;
2784 case TARGET_SOCK_STREAM:
2785 host_type = SOCK_STREAM;
2786 break;
2787 default:
2788 host_type = target_type & TARGET_SOCK_TYPE_MASK;
2789 break;
2790 }
2791 if (target_type & TARGET_SOCK_CLOEXEC) {
2792#if defined(SOCK_CLOEXEC)
2793 host_type |= SOCK_CLOEXEC;
2794#else
2795 return -TARGET_EINVAL;
2796#endif
2797 }
2798 if (target_type & TARGET_SOCK_NONBLOCK) {
2799#if defined(SOCK_NONBLOCK)
2800 host_type |= SOCK_NONBLOCK;
2801#elif !defined(O_NONBLOCK)
2802 return -TARGET_EINVAL;
2803#endif
2804 }
2805 *type = host_type;
2806 return 0;
2807}
2808
2809
2810static int sock_flags_fixup(int fd, int target_type)
2811{
2812#if !defined(SOCK_NONBLOCK) && defined(O_NONBLOCK)
2813 if (target_type & TARGET_SOCK_NONBLOCK) {
2814 int flags = fcntl(fd, F_GETFL);
2815 if (fcntl(fd, F_SETFL, O_NONBLOCK | flags) == -1) {
2816 close(fd);
2817 return -TARGET_EINVAL;
2818 }
2819 }
2820#endif
2821 return fd;
2822}
2823
2824
2825static abi_long do_socket(int domain, int type, int protocol)
2826{
2827 int target_type = type;
2828 int ret;
2829
2830 ret = target_to_host_sock_type(&type);
2831 if (ret) {
2832 return ret;
2833 }
2834
2835 if (domain == PF_NETLINK && !(
2836#ifdef CONFIG_RTNETLINK
2837 protocol == NETLINK_ROUTE ||
2838#endif
2839 protocol == NETLINK_KOBJECT_UEVENT ||
2840 protocol == NETLINK_AUDIT)) {
2841 return -EPFNOSUPPORT;
2842 }
2843
2844 if (domain == AF_PACKET ||
2845 (domain == AF_INET && type == SOCK_PACKET)) {
2846 protocol = tswap16(protocol);
2847 }
2848
2849 ret = get_errno(socket(domain, type, protocol));
2850 if (ret >= 0) {
2851 ret = sock_flags_fixup(ret, target_type);
2852 if (type == SOCK_PACKET) {
2853
2854
2855
2856 fd_trans_register(ret, &target_packet_trans);
2857 } else if (domain == PF_NETLINK) {
2858 switch (protocol) {
2859#ifdef CONFIG_RTNETLINK
2860 case NETLINK_ROUTE:
2861 fd_trans_register(ret, &target_netlink_route_trans);
2862 break;
2863#endif
2864 case NETLINK_KOBJECT_UEVENT:
2865
2866 break;
2867 case NETLINK_AUDIT:
2868 fd_trans_register(ret, &target_netlink_audit_trans);
2869 break;
2870 default:
2871 g_assert_not_reached();
2872 }
2873 }
2874 }
2875 return ret;
2876}
2877
2878
2879static abi_long do_bind(int sockfd, abi_ulong target_addr,
2880 socklen_t addrlen)
2881{
2882 void *addr;
2883 abi_long ret;
2884
2885 if ((int)addrlen < 0) {
2886 return -TARGET_EINVAL;
2887 }
2888
2889 addr = alloca(addrlen+1);
2890
2891 ret = target_to_host_sockaddr(sockfd, addr, target_addr, addrlen);
2892 if (ret)
2893 return ret;
2894
2895 return get_errno(bind(sockfd, addr, addrlen));
2896}
2897
2898
2899static abi_long do_connect(int sockfd, abi_ulong target_addr,
2900 socklen_t addrlen)
2901{
2902 void *addr;
2903 abi_long ret;
2904
2905 if ((int)addrlen < 0) {
2906 return -TARGET_EINVAL;
2907 }
2908
2909 addr = alloca(addrlen+1);
2910
2911 ret = target_to_host_sockaddr(sockfd, addr, target_addr, addrlen);
2912 if (ret)
2913 return ret;
2914
2915 return get_errno(safe_connect(sockfd, addr, addrlen));
2916}
2917
2918
2919static abi_long do_sendrecvmsg_locked(int fd, struct target_msghdr *msgp,
2920 int flags, int send)
2921{
2922 abi_long ret, len;
2923 struct msghdr msg;
2924 abi_ulong count;
2925 struct iovec *vec;
2926 abi_ulong target_vec;
2927
2928 if (msgp->msg_name) {
2929 msg.msg_namelen = tswap32(msgp->msg_namelen);
2930 msg.msg_name = alloca(msg.msg_namelen+1);
2931 ret = target_to_host_sockaddr(fd, msg.msg_name,
2932 tswapal(msgp->msg_name),
2933 msg.msg_namelen);
2934 if (ret == -TARGET_EFAULT) {
2935
2936
2937
2938
2939
2940 msg.msg_name = (void *)-1;
2941 } else if (ret) {
2942 goto out2;
2943 }
2944 } else {
2945 msg.msg_name = NULL;
2946 msg.msg_namelen = 0;
2947 }
2948 msg.msg_controllen = 2 * tswapal(msgp->msg_controllen);
2949 msg.msg_control = alloca(msg.msg_controllen);
2950 memset(msg.msg_control, 0, msg.msg_controllen);
2951
2952 msg.msg_flags = tswap32(msgp->msg_flags);
2953
2954 count = tswapal(msgp->msg_iovlen);
2955 target_vec = tswapal(msgp->msg_iov);
2956
2957 if (count > IOV_MAX) {
2958
2959
2960
2961 ret = -TARGET_EMSGSIZE;
2962 goto out2;
2963 }
2964
2965 vec = lock_iovec(send ? VERIFY_READ : VERIFY_WRITE,
2966 target_vec, count, send);
2967 if (vec == NULL) {
2968 ret = -host_to_target_errno(errno);
2969 goto out2;
2970 }
2971 msg.msg_iovlen = count;
2972 msg.msg_iov = vec;
2973
2974 if (send) {
2975 if (fd_trans_target_to_host_data(fd)) {
2976 void *host_msg;
2977
2978 host_msg = g_malloc(msg.msg_iov->iov_len);
2979 memcpy(host_msg, msg.msg_iov->iov_base, msg.msg_iov->iov_len);
2980 ret = fd_trans_target_to_host_data(fd)(host_msg,
2981 msg.msg_iov->iov_len);
2982 if (ret >= 0) {
2983 msg.msg_iov->iov_base = host_msg;
2984 ret = get_errno(safe_sendmsg(fd, &msg, flags));
2985 }
2986 g_free(host_msg);
2987 } else {
2988 ret = target_to_host_cmsg(&msg, msgp);
2989 if (ret == 0) {
2990 ret = get_errno(safe_sendmsg(fd, &msg, flags));
2991 }
2992 }
2993 } else {
2994 ret = get_errno(safe_recvmsg(fd, &msg, flags));
2995 if (!is_error(ret)) {
2996 len = ret;
2997 if (fd_trans_host_to_target_data(fd)) {
2998 ret = fd_trans_host_to_target_data(fd)(msg.msg_iov->iov_base,
2999 MIN(msg.msg_iov->iov_len, len));
3000 } else {
3001 ret = host_to_target_cmsg(msgp, &msg);
3002 }
3003 if (!is_error(ret)) {
3004 msgp->msg_namelen = tswap32(msg.msg_namelen);
3005 msgp->msg_flags = tswap32(msg.msg_flags);
3006 if (msg.msg_name != NULL && msg.msg_name != (void *)-1) {
3007 ret = host_to_target_sockaddr(tswapal(msgp->msg_name),
3008 msg.msg_name, msg.msg_namelen);
3009 if (ret) {
3010 goto out;
3011 }
3012 }
3013
3014 ret = len;
3015 }
3016 }
3017 }
3018
3019out:
3020 unlock_iovec(vec, target_vec, count, !send);
3021out2:
3022 return ret;
3023}
3024
3025static abi_long do_sendrecvmsg(int fd, abi_ulong target_msg,
3026 int flags, int send)
3027{
3028 abi_long ret;
3029 struct target_msghdr *msgp;
3030
3031 if (!lock_user_struct(send ? VERIFY_READ : VERIFY_WRITE,
3032 msgp,
3033 target_msg,
3034 send ? 1 : 0)) {
3035 return -TARGET_EFAULT;
3036 }
3037 ret = do_sendrecvmsg_locked(fd, msgp, flags, send);
3038 unlock_user_struct(msgp, target_msg, send ? 0 : 1);
3039 return ret;
3040}
3041
3042
3043
3044
3045#ifndef MSG_WAITFORONE
3046#define MSG_WAITFORONE 0x10000
3047#endif
3048
3049static abi_long do_sendrecvmmsg(int fd, abi_ulong target_msgvec,
3050 unsigned int vlen, unsigned int flags,
3051 int send)
3052{
3053 struct target_mmsghdr *mmsgp;
3054 abi_long ret = 0;
3055 int i;
3056
3057 if (vlen > UIO_MAXIOV) {
3058 vlen = UIO_MAXIOV;
3059 }
3060
3061 mmsgp = lock_user(VERIFY_WRITE, target_msgvec, sizeof(*mmsgp) * vlen, 1);
3062 if (!mmsgp) {
3063 return -TARGET_EFAULT;
3064 }
3065
3066 for (i = 0; i < vlen; i++) {
3067 ret = do_sendrecvmsg_locked(fd, &mmsgp[i].msg_hdr, flags, send);
3068 if (is_error(ret)) {
3069 break;
3070 }
3071 mmsgp[i].msg_len = tswap32(ret);
3072
3073 if (flags & MSG_WAITFORONE) {
3074 flags |= MSG_DONTWAIT;
3075 }
3076 }
3077
3078 unlock_user(mmsgp, target_msgvec, sizeof(*mmsgp) * i);
3079
3080
3081
3082
3083 if (i) {
3084 return i;
3085 }
3086 return ret;
3087}
3088
3089
3090static abi_long do_accept4(int fd, abi_ulong target_addr,
3091 abi_ulong target_addrlen_addr, int flags)
3092{
3093 socklen_t addrlen, ret_addrlen;
3094 void *addr;
3095 abi_long ret;
3096 int host_flags;
3097
3098 host_flags = target_to_host_bitmask(flags, fcntl_flags_tbl);
3099
3100 if (target_addr == 0) {
3101 return get_errno(safe_accept4(fd, NULL, NULL, host_flags));
3102 }
3103
3104
3105 if (get_user_u32(addrlen, target_addrlen_addr))
3106 return -TARGET_EINVAL;
3107
3108 if ((int)addrlen < 0) {
3109 return -TARGET_EINVAL;
3110 }
3111
3112 if (!access_ok(VERIFY_WRITE, target_addr, addrlen))
3113 return -TARGET_EINVAL;
3114
3115 addr = alloca(addrlen);
3116
3117 ret_addrlen = addrlen;
3118 ret = get_errno(safe_accept4(fd, addr, &ret_addrlen, host_flags));
3119 if (!is_error(ret)) {
3120 host_to_target_sockaddr(target_addr, addr, MIN(addrlen, ret_addrlen));
3121 if (put_user_u32(ret_addrlen, target_addrlen_addr)) {
3122 ret = -TARGET_EFAULT;
3123 }
3124 }
3125 return ret;
3126}
3127
3128
3129static abi_long do_getpeername(int fd, abi_ulong target_addr,
3130 abi_ulong target_addrlen_addr)
3131{
3132 socklen_t addrlen, ret_addrlen;
3133 void *addr;
3134 abi_long ret;
3135
3136 if (get_user_u32(addrlen, target_addrlen_addr))
3137 return -TARGET_EFAULT;
3138
3139 if ((int)addrlen < 0) {
3140 return -TARGET_EINVAL;
3141 }
3142
3143 if (!access_ok(VERIFY_WRITE, target_addr, addrlen))
3144 return -TARGET_EFAULT;
3145
3146 addr = alloca(addrlen);
3147
3148 ret_addrlen = addrlen;
3149 ret = get_errno(getpeername(fd, addr, &ret_addrlen));
3150 if (!is_error(ret)) {
3151 host_to_target_sockaddr(target_addr, addr, MIN(addrlen, ret_addrlen));
3152 if (put_user_u32(ret_addrlen, target_addrlen_addr)) {
3153 ret = -TARGET_EFAULT;
3154 }
3155 }
3156 return ret;
3157}
3158
3159
3160static abi_long do_getsockname(int fd, abi_ulong target_addr,
3161 abi_ulong target_addrlen_addr)
3162{
3163 socklen_t addrlen, ret_addrlen;
3164 void *addr;
3165 abi_long ret;
3166
3167 if (get_user_u32(addrlen, target_addrlen_addr))
3168 return -TARGET_EFAULT;
3169
3170 if ((int)addrlen < 0) {
3171 return -TARGET_EINVAL;
3172 }
3173
3174 if (!access_ok(VERIFY_WRITE, target_addr, addrlen))
3175 return -TARGET_EFAULT;
3176
3177 addr = alloca(addrlen);
3178
3179 ret_addrlen = addrlen;
3180 ret = get_errno(getsockname(fd, addr, &ret_addrlen));
3181 if (!is_error(ret)) {
3182 host_to_target_sockaddr(target_addr, addr, MIN(addrlen, ret_addrlen));
3183 if (put_user_u32(ret_addrlen, target_addrlen_addr)) {
3184 ret = -TARGET_EFAULT;
3185 }
3186 }
3187 return ret;
3188}
3189
3190
3191static abi_long do_socketpair(int domain, int type, int protocol,
3192 abi_ulong target_tab_addr)
3193{
3194 int tab[2];
3195 abi_long ret;
3196
3197 target_to_host_sock_type(&type);
3198
3199 ret = get_errno(socketpair(domain, type, protocol, tab));
3200 if (!is_error(ret)) {
3201 if (put_user_s32(tab[0], target_tab_addr)
3202 || put_user_s32(tab[1], target_tab_addr + sizeof(tab[0])))
3203 ret = -TARGET_EFAULT;
3204 }
3205 return ret;
3206}
3207
3208
3209static abi_long do_sendto(int fd, abi_ulong msg, size_t len, int flags,
3210 abi_ulong target_addr, socklen_t addrlen)
3211{
3212 void *addr;
3213 void *host_msg;
3214 void *copy_msg = NULL;
3215 abi_long ret;
3216
3217 if ((int)addrlen < 0) {
3218 return -TARGET_EINVAL;
3219 }
3220
3221 host_msg = lock_user(VERIFY_READ, msg, len, 1);
3222 if (!host_msg)
3223 return -TARGET_EFAULT;
3224 if (fd_trans_target_to_host_data(fd)) {
3225 copy_msg = host_msg;
3226 host_msg = g_malloc(len);
3227 memcpy(host_msg, copy_msg, len);
3228 ret = fd_trans_target_to_host_data(fd)(host_msg, len);
3229 if (ret < 0) {
3230 goto fail;
3231 }
3232 }
3233 if (target_addr) {
3234 addr = alloca(addrlen+1);
3235 ret = target_to_host_sockaddr(fd, addr, target_addr, addrlen);
3236 if (ret) {
3237 goto fail;
3238 }
3239 ret = get_errno(safe_sendto(fd, host_msg, len, flags, addr, addrlen));
3240 } else {
3241 ret = get_errno(safe_sendto(fd, host_msg, len, flags, NULL, 0));
3242 }
3243fail:
3244 if (copy_msg) {
3245 g_free(host_msg);
3246 host_msg = copy_msg;
3247 }
3248 unlock_user(host_msg, msg, 0);
3249 return ret;
3250}
3251
3252
3253static abi_long do_recvfrom(int fd, abi_ulong msg, size_t len, int flags,
3254 abi_ulong target_addr,
3255 abi_ulong target_addrlen)
3256{
3257 socklen_t addrlen, ret_addrlen;
3258 void *addr;
3259 void *host_msg;
3260 abi_long ret;
3261
3262 host_msg = lock_user(VERIFY_WRITE, msg, len, 0);
3263 if (!host_msg)
3264 return -TARGET_EFAULT;
3265 if (target_addr) {
3266 if (get_user_u32(addrlen, target_addrlen)) {
3267 ret = -TARGET_EFAULT;
3268 goto fail;
3269 }
3270 if ((int)addrlen < 0) {
3271 ret = -TARGET_EINVAL;
3272 goto fail;
3273 }
3274 addr = alloca(addrlen);
3275 ret_addrlen = addrlen;
3276 ret = get_errno(safe_recvfrom(fd, host_msg, len, flags,
3277 addr, &ret_addrlen));
3278 } else {
3279 addr = NULL;
3280 addrlen = 0;
3281 ret = get_errno(safe_recvfrom(fd, host_msg, len, flags, NULL, 0));
3282 }
3283 if (!is_error(ret)) {
3284 if (fd_trans_host_to_target_data(fd)) {
3285 abi_long trans;
3286 trans = fd_trans_host_to_target_data(fd)(host_msg, MIN(ret, len));
3287 if (is_error(trans)) {
3288 ret = trans;
3289 goto fail;
3290 }
3291 }
3292 if (target_addr) {
3293 host_to_target_sockaddr(target_addr, addr,
3294 MIN(addrlen, ret_addrlen));
3295 if (put_user_u32(ret_addrlen, target_addrlen)) {
3296 ret = -TARGET_EFAULT;
3297 goto fail;
3298 }
3299 }
3300 unlock_user(host_msg, msg, len);
3301 } else {
3302fail:
3303 unlock_user(host_msg, msg, 0);
3304 }
3305 return ret;
3306}
3307
3308#ifdef TARGET_NR_socketcall
3309
3310static abi_long do_socketcall(int num, abi_ulong vptr)
3311{
3312 static const unsigned nargs[] = {
3313 [TARGET_SYS_SOCKET] = 3,
3314 [TARGET_SYS_BIND] = 3,
3315 [TARGET_SYS_CONNECT] = 3,
3316 [TARGET_SYS_LISTEN] = 2,
3317 [TARGET_SYS_ACCEPT] = 3,
3318 [TARGET_SYS_GETSOCKNAME] = 3,
3319 [TARGET_SYS_GETPEERNAME] = 3,
3320 [TARGET_SYS_SOCKETPAIR] = 4,
3321 [TARGET_SYS_SEND] = 4,
3322 [TARGET_SYS_RECV] = 4,
3323 [TARGET_SYS_SENDTO] = 6,
3324 [TARGET_SYS_RECVFROM] = 6,
3325 [TARGET_SYS_SHUTDOWN] = 2,
3326 [TARGET_SYS_SETSOCKOPT] = 5,
3327 [TARGET_SYS_GETSOCKOPT] = 5,
3328 [TARGET_SYS_SENDMSG] = 3,
3329 [TARGET_SYS_RECVMSG] = 3,
3330 [TARGET_SYS_ACCEPT4] = 4,
3331 [TARGET_SYS_RECVMMSG] = 4,
3332 [TARGET_SYS_SENDMMSG] = 4,
3333 };
3334 abi_long a[6];
3335 unsigned i;
3336
3337
3338
3339 if (num < 1 || num > TARGET_SYS_SENDMMSG) {
3340 return -TARGET_EINVAL;
3341 }
3342
3343 if (nargs[num] > ARRAY_SIZE(a)) {
3344 return -TARGET_EINVAL;
3345 }
3346
3347 for (i = 0; i < nargs[num]; ++i) {
3348 if (get_user_ual(a[i], vptr + i * sizeof(abi_long)) != 0) {
3349 return -TARGET_EFAULT;
3350 }
3351 }
3352
3353 switch (num) {
3354 case TARGET_SYS_SOCKET:
3355 return do_socket(a[0], a[1], a[2]);
3356 case TARGET_SYS_BIND:
3357 return do_bind(a[0], a[1], a[2]);
3358 case TARGET_SYS_CONNECT:
3359 return do_connect(a[0], a[1], a[2]);
3360 case TARGET_SYS_LISTEN:
3361 return get_errno(listen(a[0], a[1]));
3362 case TARGET_SYS_ACCEPT:
3363 return do_accept4(a[0], a[1], a[2], 0);
3364 case TARGET_SYS_GETSOCKNAME:
3365 return do_getsockname(a[0], a[1], a[2]);
3366 case TARGET_SYS_GETPEERNAME:
3367 return do_getpeername(a[0], a[1], a[2]);
3368 case TARGET_SYS_SOCKETPAIR:
3369 return do_socketpair(a[0], a[1], a[2], a[3]);
3370 case TARGET_SYS_SEND:
3371 return do_sendto(a[0], a[1], a[2], a[3], 0, 0);
3372 case TARGET_SYS_RECV:
3373 return do_recvfrom(a[0], a[1], a[2], a[3], 0, 0);
3374 case TARGET_SYS_SENDTO:
3375 return do_sendto(a[0], a[1], a[2], a[3], a[4], a[5]);
3376 case TARGET_SYS_RECVFROM:
3377 return do_recvfrom(a[0], a[1], a[2], a[3], a[4], a[5]);
3378 case TARGET_SYS_SHUTDOWN:
3379 return get_errno(shutdown(a[0], a[1]));
3380 case TARGET_SYS_SETSOCKOPT:
3381 return do_setsockopt(a[0], a[1], a[2], a[3], a[4]);
3382 case TARGET_SYS_GETSOCKOPT:
3383 return do_getsockopt(a[0], a[1], a[2], a[3], a[4]);
3384 case TARGET_SYS_SENDMSG:
3385 return do_sendrecvmsg(a[0], a[1], a[2], 1);
3386 case TARGET_SYS_RECVMSG:
3387 return do_sendrecvmsg(a[0], a[1], a[2], 0);
3388 case TARGET_SYS_ACCEPT4:
3389 return do_accept4(a[0], a[1], a[2], a[3]);
3390 case TARGET_SYS_RECVMMSG:
3391 return do_sendrecvmmsg(a[0], a[1], a[2], a[3], 0);
3392 case TARGET_SYS_SENDMMSG:
3393 return do_sendrecvmmsg(a[0], a[1], a[2], a[3], 1);
3394 default:
3395 gemu_log("Unsupported socketcall: %d\n", num);
3396 return -TARGET_EINVAL;
3397 }
3398}
3399#endif
3400
3401#define N_SHM_REGIONS 32
3402
3403static struct shm_region {
3404 abi_ulong start;
3405 abi_ulong size;
3406 bool in_use;
3407} shm_regions[N_SHM_REGIONS];
3408
3409#ifndef TARGET_SEMID64_DS
3410
3411struct target_semid64_ds
3412{
3413 struct target_ipc_perm sem_perm;
3414 abi_ulong sem_otime;
3415#if TARGET_ABI_BITS == 32
3416 abi_ulong __unused1;
3417#endif
3418 abi_ulong sem_ctime;
3419#if TARGET_ABI_BITS == 32
3420 abi_ulong __unused2;
3421#endif
3422 abi_ulong sem_nsems;
3423 abi_ulong __unused3;
3424 abi_ulong __unused4;
3425};
3426#endif
3427
3428static inline abi_long target_to_host_ipc_perm(struct ipc_perm *host_ip,
3429 abi_ulong target_addr)
3430{
3431 struct target_ipc_perm *target_ip;
3432 struct target_semid64_ds *target_sd;
3433
3434 if (!lock_user_struct(VERIFY_READ, target_sd, target_addr, 1))
3435 return -TARGET_EFAULT;
3436 target_ip = &(target_sd->sem_perm);
3437 host_ip->__key = tswap32(target_ip->__key);
3438 host_ip->uid = tswap32(target_ip->uid);
3439 host_ip->gid = tswap32(target_ip->gid);
3440 host_ip->cuid = tswap32(target_ip->cuid);
3441 host_ip->cgid = tswap32(target_ip->cgid);
3442#if defined(TARGET_ALPHA) || defined(TARGET_MIPS) || defined(TARGET_PPC)
3443 host_ip->mode = tswap32(target_ip->mode);
3444#else
3445 host_ip->mode = tswap16(target_ip->mode);
3446#endif
3447#if defined(TARGET_PPC)
3448 host_ip->__seq = tswap32(target_ip->__seq);
3449#else
3450 host_ip->__seq = tswap16(target_ip->__seq);
3451#endif
3452 unlock_user_struct(target_sd, target_addr, 0);
3453 return 0;
3454}
3455
3456static inline abi_long host_to_target_ipc_perm(abi_ulong target_addr,
3457 struct ipc_perm *host_ip)
3458{
3459 struct target_ipc_perm *target_ip;
3460 struct target_semid64_ds *target_sd;
3461
3462 if (!lock_user_struct(VERIFY_WRITE, target_sd, target_addr, 0))
3463 return -TARGET_EFAULT;
3464 target_ip = &(target_sd->sem_perm);
3465 target_ip->__key = tswap32(host_ip->__key);
3466 target_ip->uid = tswap32(host_ip->uid);
3467 target_ip->gid = tswap32(host_ip->gid);
3468 target_ip->cuid = tswap32(host_ip->cuid);
3469 target_ip->cgid = tswap32(host_ip->cgid);
3470#if defined(TARGET_ALPHA) || defined(TARGET_MIPS) || defined(TARGET_PPC)
3471 target_ip->mode = tswap32(host_ip->mode);
3472#else
3473 target_ip->mode = tswap16(host_ip->mode);
3474#endif
3475#if defined(TARGET_PPC)
3476 target_ip->__seq = tswap32(host_ip->__seq);
3477#else
3478 target_ip->__seq = tswap16(host_ip->__seq);
3479#endif
3480 unlock_user_struct(target_sd, target_addr, 1);
3481 return 0;
3482}
3483
3484static inline abi_long target_to_host_semid_ds(struct semid_ds *host_sd,
3485 abi_ulong target_addr)
3486{
3487 struct target_semid64_ds *target_sd;
3488
3489 if (!lock_user_struct(VERIFY_READ, target_sd, target_addr, 1))
3490 return -TARGET_EFAULT;
3491 if (target_to_host_ipc_perm(&(host_sd->sem_perm),target_addr))
3492 return -TARGET_EFAULT;
3493 host_sd->sem_nsems = tswapal(target_sd->sem_nsems);
3494 host_sd->sem_otime = tswapal(target_sd->sem_otime);
3495 host_sd->sem_ctime = tswapal(target_sd->sem_ctime);
3496 unlock_user_struct(target_sd, target_addr, 0);
3497 return 0;
3498}
3499
3500static inline abi_long host_to_target_semid_ds(abi_ulong target_addr,
3501 struct semid_ds *host_sd)
3502{
3503 struct target_semid64_ds *target_sd;
3504
3505 if (!lock_user_struct(VERIFY_WRITE, target_sd, target_addr, 0))
3506 return -TARGET_EFAULT;
3507 if (host_to_target_ipc_perm(target_addr,&(host_sd->sem_perm)))
3508 return -TARGET_EFAULT;
3509 target_sd->sem_nsems = tswapal(host_sd->sem_nsems);
3510 target_sd->sem_otime = tswapal(host_sd->sem_otime);
3511 target_sd->sem_ctime = tswapal(host_sd->sem_ctime);
3512 unlock_user_struct(target_sd, target_addr, 1);
3513 return 0;
3514}
3515
3516struct target_seminfo {
3517 int semmap;
3518 int semmni;
3519 int semmns;
3520 int semmnu;
3521 int semmsl;
3522 int semopm;
3523 int semume;
3524 int semusz;
3525 int semvmx;
3526 int semaem;
3527};
3528
3529static inline abi_long host_to_target_seminfo(abi_ulong target_addr,
3530 struct seminfo *host_seminfo)
3531{
3532 struct target_seminfo *target_seminfo;
3533 if (!lock_user_struct(VERIFY_WRITE, target_seminfo, target_addr, 0))
3534 return -TARGET_EFAULT;
3535 __put_user(host_seminfo->semmap, &target_seminfo->semmap);
3536 __put_user(host_seminfo->semmni, &target_seminfo->semmni);
3537 __put_user(host_seminfo->semmns, &target_seminfo->semmns);
3538 __put_user(host_seminfo->semmnu, &target_seminfo->semmnu);
3539 __put_user(host_seminfo->semmsl, &target_seminfo->semmsl);
3540 __put_user(host_seminfo->semopm, &target_seminfo->semopm);
3541 __put_user(host_seminfo->semume, &target_seminfo->semume);
3542 __put_user(host_seminfo->semusz, &target_seminfo->semusz);
3543 __put_user(host_seminfo->semvmx, &target_seminfo->semvmx);
3544 __put_user(host_seminfo->semaem, &target_seminfo->semaem);
3545 unlock_user_struct(target_seminfo, target_addr, 1);
3546 return 0;
3547}
3548
3549union semun {
3550 int val;
3551 struct semid_ds *buf;
3552 unsigned short *array;
3553 struct seminfo *__buf;
3554};
3555
3556union target_semun {
3557 int val;
3558 abi_ulong buf;
3559 abi_ulong array;
3560 abi_ulong __buf;
3561};
3562
3563static inline abi_long target_to_host_semarray(int semid, unsigned short **host_array,
3564 abi_ulong target_addr)
3565{
3566 int nsems;
3567 unsigned short *array;
3568 union semun semun;
3569 struct semid_ds semid_ds;
3570 int i, ret;
3571
3572 semun.buf = &semid_ds;
3573
3574 ret = semctl(semid, 0, IPC_STAT, semun);
3575 if (ret == -1)
3576 return get_errno(ret);
3577
3578 nsems = semid_ds.sem_nsems;
3579
3580 *host_array = g_try_new(unsigned short, nsems);
3581 if (!*host_array) {
3582 return -TARGET_ENOMEM;
3583 }
3584 array = lock_user(VERIFY_READ, target_addr,
3585 nsems*sizeof(unsigned short), 1);
3586 if (!array) {
3587 g_free(*host_array);
3588 return -TARGET_EFAULT;
3589 }
3590
3591 for(i=0; i<nsems; i++) {
3592 __get_user((*host_array)[i], &array[i]);
3593 }
3594 unlock_user(array, target_addr, 0);
3595
3596 return 0;
3597}
3598
3599static inline abi_long host_to_target_semarray(int semid, abi_ulong target_addr,
3600 unsigned short **host_array)
3601{
3602 int nsems;
3603 unsigned short *array;
3604 union semun semun;
3605 struct semid_ds semid_ds;
3606 int i, ret;
3607
3608 semun.buf = &semid_ds;
3609
3610 ret = semctl(semid, 0, IPC_STAT, semun);
3611 if (ret == -1)
3612 return get_errno(ret);
3613
3614 nsems = semid_ds.sem_nsems;
3615
3616 array = lock_user(VERIFY_WRITE, target_addr,
3617 nsems*sizeof(unsigned short), 0);
3618 if (!array)
3619 return -TARGET_EFAULT;
3620
3621 for(i=0; i<nsems; i++) {
3622 __put_user((*host_array)[i], &array[i]);
3623 }
3624 g_free(*host_array);
3625 unlock_user(array, target_addr, 1);
3626
3627 return 0;
3628}
3629
3630static inline abi_long do_semctl(int semid, int semnum, int cmd,
3631 abi_ulong target_arg)
3632{
3633 union target_semun target_su = { .buf = target_arg };
3634 union semun arg;
3635 struct semid_ds dsarg;
3636 unsigned short *array = NULL;
3637 struct seminfo seminfo;
3638 abi_long ret = -TARGET_EINVAL;
3639 abi_long err;
3640 cmd &= 0xff;
3641
3642 switch( cmd ) {
3643 case GETVAL:
3644 case SETVAL:
3645
3646
3647
3648
3649
3650 if (sizeof(target_su.val) != (sizeof(target_su.buf))) {
3651 target_su.buf = tswapal(target_su.buf);
3652 arg.val = tswap32(target_su.val);
3653 } else {
3654 arg.val = target_su.val;
3655 }
3656 ret = get_errno(semctl(semid, semnum, cmd, arg));
3657 break;
3658 case GETALL:
3659 case SETALL:
3660 err = target_to_host_semarray(semid, &array, target_su.array);
3661 if (err)
3662 return err;
3663 arg.array = array;
3664 ret = get_errno(semctl(semid, semnum, cmd, arg));
3665 err = host_to_target_semarray(semid, target_su.array, &array);
3666 if (err)
3667 return err;
3668 break;
3669 case IPC_STAT:
3670 case IPC_SET:
3671 case SEM_STAT:
3672 err = target_to_host_semid_ds(&dsarg, target_su.buf);
3673 if (err)
3674 return err;
3675 arg.buf = &dsarg;
3676 ret = get_errno(semctl(semid, semnum, cmd, arg));
3677 err = host_to_target_semid_ds(target_su.buf, &dsarg);
3678 if (err)
3679 return err;
3680 break;
3681 case IPC_INFO:
3682 case SEM_INFO:
3683 arg.__buf = &seminfo;
3684 ret = get_errno(semctl(semid, semnum, cmd, arg));
3685 err = host_to_target_seminfo(target_su.__buf, &seminfo);
3686 if (err)
3687 return err;
3688 break;
3689 case IPC_RMID:
3690 case GETPID:
3691 case GETNCNT:
3692 case GETZCNT:
3693 ret = get_errno(semctl(semid, semnum, cmd, NULL));
3694 break;
3695 }
3696
3697 return ret;
3698}
3699
3700struct target_sembuf {
3701 unsigned short sem_num;
3702 short sem_op;
3703 short sem_flg;
3704};
3705
3706static inline abi_long target_to_host_sembuf(struct sembuf *host_sembuf,
3707 abi_ulong target_addr,
3708 unsigned nsops)
3709{
3710 struct target_sembuf *target_sembuf;
3711 int i;
3712
3713 target_sembuf = lock_user(VERIFY_READ, target_addr,
3714 nsops*sizeof(struct target_sembuf), 1);
3715 if (!target_sembuf)
3716 return -TARGET_EFAULT;
3717
3718 for(i=0; i<nsops; i++) {
3719 __get_user(host_sembuf[i].sem_num, &target_sembuf[i].sem_num);
3720 __get_user(host_sembuf[i].sem_op, &target_sembuf[i].sem_op);
3721 __get_user(host_sembuf[i].sem_flg, &target_sembuf[i].sem_flg);
3722 }
3723
3724 unlock_user(target_sembuf, target_addr, 0);
3725
3726 return 0;
3727}
3728
3729static inline abi_long do_semop(int semid, abi_long ptr, unsigned nsops)
3730{
3731 struct sembuf sops[nsops];
3732 abi_long ret;
3733
3734 if (target_to_host_sembuf(sops, ptr, nsops))
3735 return -TARGET_EFAULT;
3736
3737 ret = -TARGET_ENOSYS;
3738#ifdef __NR_semtimedop
3739 ret = get_errno(safe_semtimedop(semid, sops, nsops, NULL));
3740#endif
3741#ifdef __NR_ipc
3742 if (ret == -TARGET_ENOSYS) {
3743 ret = get_errno(safe_ipc(IPCOP_semtimedop, semid, nsops, 0, sops, 0));
3744 }
3745#endif
3746 return ret;
3747}
3748
3749struct target_msqid_ds
3750{
3751 struct target_ipc_perm msg_perm;
3752 abi_ulong msg_stime;
3753#if TARGET_ABI_BITS == 32
3754 abi_ulong __unused1;
3755#endif
3756 abi_ulong msg_rtime;
3757#if TARGET_ABI_BITS == 32
3758 abi_ulong __unused2;
3759#endif
3760 abi_ulong msg_ctime;
3761#if TARGET_ABI_BITS == 32
3762 abi_ulong __unused3;
3763#endif
3764 abi_ulong __msg_cbytes;
3765 abi_ulong msg_qnum;
3766 abi_ulong msg_qbytes;
3767 abi_ulong msg_lspid;
3768 abi_ulong msg_lrpid;
3769 abi_ulong __unused4;
3770 abi_ulong __unused5;
3771};
3772
3773static inline abi_long target_to_host_msqid_ds(struct msqid_ds *host_md,
3774 abi_ulong target_addr)
3775{
3776 struct target_msqid_ds *target_md;
3777
3778 if (!lock_user_struct(VERIFY_READ, target_md, target_addr, 1))
3779 return -TARGET_EFAULT;
3780 if (target_to_host_ipc_perm(&(host_md->msg_perm),target_addr))
3781 return -TARGET_EFAULT;
3782 host_md->msg_stime = tswapal(target_md->msg_stime);
3783 host_md->msg_rtime = tswapal(target_md->msg_rtime);
3784 host_md->msg_ctime = tswapal(target_md->msg_ctime);
3785 host_md->__msg_cbytes = tswapal(target_md->__msg_cbytes);
3786 host_md->msg_qnum = tswapal(target_md->msg_qnum);
3787 host_md->msg_qbytes = tswapal(target_md->msg_qbytes);
3788 host_md->msg_lspid = tswapal(target_md->msg_lspid);
3789 host_md->msg_lrpid = tswapal(target_md->msg_lrpid);
3790 unlock_user_struct(target_md, target_addr, 0);
3791 return 0;
3792}
3793
3794static inline abi_long host_to_target_msqid_ds(abi_ulong target_addr,
3795 struct msqid_ds *host_md)
3796{
3797 struct target_msqid_ds *target_md;
3798
3799 if (!lock_user_struct(VERIFY_WRITE, target_md, target_addr, 0))
3800 return -TARGET_EFAULT;
3801 if (host_to_target_ipc_perm(target_addr,&(host_md->msg_perm)))
3802 return -TARGET_EFAULT;
3803 target_md->msg_stime = tswapal(host_md->msg_stime);
3804 target_md->msg_rtime = tswapal(host_md->msg_rtime);
3805 target_md->msg_ctime = tswapal(host_md->msg_ctime);
3806 target_md->__msg_cbytes = tswapal(host_md->__msg_cbytes);
3807 target_md->msg_qnum = tswapal(host_md->msg_qnum);
3808 target_md->msg_qbytes = tswapal(host_md->msg_qbytes);
3809 target_md->msg_lspid = tswapal(host_md->msg_lspid);
3810 target_md->msg_lrpid = tswapal(host_md->msg_lrpid);
3811 unlock_user_struct(target_md, target_addr, 1);
3812 return 0;
3813}
3814
3815struct target_msginfo {
3816 int msgpool;
3817 int msgmap;
3818 int msgmax;
3819 int msgmnb;
3820 int msgmni;
3821 int msgssz;
3822 int msgtql;
3823 unsigned short int msgseg;
3824};
3825
3826static inline abi_long host_to_target_msginfo(abi_ulong target_addr,
3827 struct msginfo *host_msginfo)
3828{
3829 struct target_msginfo *target_msginfo;
3830 if (!lock_user_struct(VERIFY_WRITE, target_msginfo, target_addr, 0))
3831 return -TARGET_EFAULT;
3832 __put_user(host_msginfo->msgpool, &target_msginfo->msgpool);
3833 __put_user(host_msginfo->msgmap, &target_msginfo->msgmap);
3834 __put_user(host_msginfo->msgmax, &target_msginfo->msgmax);
3835 __put_user(host_msginfo->msgmnb, &target_msginfo->msgmnb);
3836 __put_user(host_msginfo->msgmni, &target_msginfo->msgmni);
3837 __put_user(host_msginfo->msgssz, &target_msginfo->msgssz);
3838 __put_user(host_msginfo->msgtql, &target_msginfo->msgtql);
3839 __put_user(host_msginfo->msgseg, &target_msginfo->msgseg);
3840 unlock_user_struct(target_msginfo, target_addr, 1);
3841 return 0;
3842}
3843
3844static inline abi_long do_msgctl(int msgid, int cmd, abi_long ptr)
3845{
3846 struct msqid_ds dsarg;
3847 struct msginfo msginfo;
3848 abi_long ret = -TARGET_EINVAL;
3849
3850 cmd &= 0xff;
3851
3852 switch (cmd) {
3853 case IPC_STAT:
3854 case IPC_SET:
3855 case MSG_STAT:
3856 if (target_to_host_msqid_ds(&dsarg,ptr))
3857 return -TARGET_EFAULT;
3858 ret = get_errno(msgctl(msgid, cmd, &dsarg));
3859 if (host_to_target_msqid_ds(ptr,&dsarg))
3860 return -TARGET_EFAULT;
3861 break;
3862 case IPC_RMID:
3863 ret = get_errno(msgctl(msgid, cmd, NULL));
3864 break;
3865 case IPC_INFO:
3866 case MSG_INFO:
3867 ret = get_errno(msgctl(msgid, cmd, (struct msqid_ds *)&msginfo));
3868 if (host_to_target_msginfo(ptr, &msginfo))
3869 return -TARGET_EFAULT;
3870 break;
3871 }
3872
3873 return ret;
3874}
3875
3876struct target_msgbuf {
3877 abi_long mtype;
3878 char mtext[1];
3879};
3880
3881static inline abi_long do_msgsnd(int msqid, abi_long msgp,
3882 ssize_t msgsz, int msgflg)
3883{
3884 struct target_msgbuf *target_mb;
3885 struct msgbuf *host_mb;
3886 abi_long ret = 0;
3887
3888 if (msgsz < 0) {
3889 return -TARGET_EINVAL;
3890 }
3891
3892 if (!lock_user_struct(VERIFY_READ, target_mb, msgp, 0))
3893 return -TARGET_EFAULT;
3894 host_mb = g_try_malloc(msgsz + sizeof(long));
3895 if (!host_mb) {
3896 unlock_user_struct(target_mb, msgp, 0);
3897 return -TARGET_ENOMEM;
3898 }
3899 host_mb->mtype = (abi_long) tswapal(target_mb->mtype);
3900 memcpy(host_mb->mtext, target_mb->mtext, msgsz);
3901 ret = -TARGET_ENOSYS;
3902#ifdef __NR_msgsnd
3903 ret = get_errno(safe_msgsnd(msqid, host_mb, msgsz, msgflg));
3904#endif
3905#ifdef __NR_ipc
3906 if (ret == -TARGET_ENOSYS) {
3907 ret = get_errno(safe_ipc(IPCOP_msgsnd, msqid, msgsz, msgflg,
3908 host_mb, 0));
3909 }
3910#endif
3911 g_free(host_mb);
3912 unlock_user_struct(target_mb, msgp, 0);
3913
3914 return ret;
3915}
3916
3917static inline abi_long do_msgrcv(int msqid, abi_long msgp,
3918 ssize_t msgsz, abi_long msgtyp,
3919 int msgflg)
3920{
3921 struct target_msgbuf *target_mb;
3922 char *target_mtext;
3923 struct msgbuf *host_mb;
3924 abi_long ret = 0;
3925
3926 if (msgsz < 0) {
3927 return -TARGET_EINVAL;
3928 }
3929
3930 if (!lock_user_struct(VERIFY_WRITE, target_mb, msgp, 0))
3931 return -TARGET_EFAULT;
3932
3933 host_mb = g_try_malloc(msgsz + sizeof(long));
3934 if (!host_mb) {
3935 ret = -TARGET_ENOMEM;
3936 goto end;
3937 }
3938 ret = -TARGET_ENOSYS;
3939#ifdef __NR_msgrcv
3940 ret = get_errno(safe_msgrcv(msqid, host_mb, msgsz, msgtyp, msgflg));
3941#endif
3942#ifdef __NR_ipc
3943 if (ret == -TARGET_ENOSYS) {
3944 ret = get_errno(safe_ipc(IPCOP_CALL(1, IPCOP_msgrcv), msqid, msgsz,
3945 msgflg, host_mb, msgtyp));
3946 }
3947#endif
3948
3949 if (ret > 0) {
3950 abi_ulong target_mtext_addr = msgp + sizeof(abi_ulong);
3951 target_mtext = lock_user(VERIFY_WRITE, target_mtext_addr, ret, 0);
3952 if (!target_mtext) {
3953 ret = -TARGET_EFAULT;
3954 goto end;
3955 }
3956 memcpy(target_mb->mtext, host_mb->mtext, ret);
3957 unlock_user(target_mtext, target_mtext_addr, ret);
3958 }
3959
3960 target_mb->mtype = tswapal(host_mb->mtype);
3961
3962end:
3963 if (target_mb)
3964 unlock_user_struct(target_mb, msgp, 1);
3965 g_free(host_mb);
3966 return ret;
3967}
3968
3969static inline abi_long target_to_host_shmid_ds(struct shmid_ds *host_sd,
3970 abi_ulong target_addr)
3971{
3972 struct target_shmid_ds *target_sd;
3973
3974 if (!lock_user_struct(VERIFY_READ, target_sd, target_addr, 1))
3975 return -TARGET_EFAULT;
3976 if (target_to_host_ipc_perm(&(host_sd->shm_perm), target_addr))
3977 return -TARGET_EFAULT;
3978 __get_user(host_sd->shm_segsz, &target_sd->shm_segsz);
3979 __get_user(host_sd->shm_atime, &target_sd->shm_atime);
3980 __get_user(host_sd->shm_dtime, &target_sd->shm_dtime);
3981 __get_user(host_sd->shm_ctime, &target_sd->shm_ctime);
3982 __get_user(host_sd->shm_cpid, &target_sd->shm_cpid);
3983 __get_user(host_sd->shm_lpid, &target_sd->shm_lpid);
3984 __get_user(host_sd->shm_nattch, &target_sd->shm_nattch);
3985 unlock_user_struct(target_sd, target_addr, 0);
3986 return 0;
3987}
3988
3989static inline abi_long host_to_target_shmid_ds(abi_ulong target_addr,
3990 struct shmid_ds *host_sd)
3991{
3992 struct target_shmid_ds *target_sd;
3993
3994 if (!lock_user_struct(VERIFY_WRITE, target_sd, target_addr, 0))
3995 return -TARGET_EFAULT;
3996 if (host_to_target_ipc_perm(target_addr, &(host_sd->shm_perm)))
3997 return -TARGET_EFAULT;
3998 __put_user(host_sd->shm_segsz, &target_sd->shm_segsz);
3999 __put_user(host_sd->shm_atime, &target_sd->shm_atime);
4000 __put_user(host_sd->shm_dtime, &target_sd->shm_dtime);
4001 __put_user(host_sd->shm_ctime, &target_sd->shm_ctime);
4002 __put_user(host_sd->shm_cpid, &target_sd->shm_cpid);
4003 __put_user(host_sd->shm_lpid, &target_sd->shm_lpid);
4004 __put_user(host_sd->shm_nattch, &target_sd->shm_nattch);
4005 unlock_user_struct(target_sd, target_addr, 1);
4006 return 0;
4007}
4008
4009struct target_shminfo {
4010 abi_ulong shmmax;
4011 abi_ulong shmmin;
4012 abi_ulong shmmni;
4013 abi_ulong shmseg;
4014 abi_ulong shmall;
4015};
4016
4017static inline abi_long host_to_target_shminfo(abi_ulong target_addr,
4018 struct shminfo *host_shminfo)
4019{
4020 struct target_shminfo *target_shminfo;
4021 if (!lock_user_struct(VERIFY_WRITE, target_shminfo, target_addr, 0))
4022 return -TARGET_EFAULT;
4023 __put_user(host_shminfo->shmmax, &target_shminfo->shmmax);
4024 __put_user(host_shminfo->shmmin, &target_shminfo->shmmin);
4025 __put_user(host_shminfo->shmmni, &target_shminfo->shmmni);
4026 __put_user(host_shminfo->shmseg, &target_shminfo->shmseg);
4027 __put_user(host_shminfo->shmall, &target_shminfo->shmall);
4028 unlock_user_struct(target_shminfo, target_addr, 1);
4029 return 0;
4030}
4031
4032struct target_shm_info {
4033 int used_ids;
4034 abi_ulong shm_tot;
4035 abi_ulong shm_rss;
4036 abi_ulong shm_swp;
4037 abi_ulong swap_attempts;
4038 abi_ulong swap_successes;
4039};
4040
4041static inline abi_long host_to_target_shm_info(abi_ulong target_addr,
4042 struct shm_info *host_shm_info)
4043{
4044 struct target_shm_info *target_shm_info;
4045 if (!lock_user_struct(VERIFY_WRITE, target_shm_info, target_addr, 0))
4046 return -TARGET_EFAULT;
4047 __put_user(host_shm_info->used_ids, &target_shm_info->used_ids);
4048 __put_user(host_shm_info->shm_tot, &target_shm_info->shm_tot);
4049 __put_user(host_shm_info->shm_rss, &target_shm_info->shm_rss);
4050 __put_user(host_shm_info->shm_swp, &target_shm_info->shm_swp);
4051 __put_user(host_shm_info->swap_attempts, &target_shm_info->swap_attempts);
4052 __put_user(host_shm_info->swap_successes, &target_shm_info->swap_successes);
4053 unlock_user_struct(target_shm_info, target_addr, 1);
4054 return 0;
4055}
4056
4057static inline abi_long do_shmctl(int shmid, int cmd, abi_long buf)
4058{
4059 struct shmid_ds dsarg;
4060 struct shminfo shminfo;
4061 struct shm_info shm_info;
4062 abi_long ret = -TARGET_EINVAL;
4063
4064 cmd &= 0xff;
4065
4066 switch(cmd) {
4067 case IPC_STAT:
4068 case IPC_SET:
4069 case SHM_STAT:
4070 if (target_to_host_shmid_ds(&dsarg, buf))
4071 return -TARGET_EFAULT;
4072 ret = get_errno(shmctl(shmid, cmd, &dsarg));
4073 if (host_to_target_shmid_ds(buf, &dsarg))
4074 return -TARGET_EFAULT;
4075 break;
4076 case IPC_INFO:
4077 ret = get_errno(shmctl(shmid, cmd, (struct shmid_ds *)&shminfo));
4078 if (host_to_target_shminfo(buf, &shminfo))
4079 return -TARGET_EFAULT;
4080 break;
4081 case SHM_INFO:
4082 ret = get_errno(shmctl(shmid, cmd, (struct shmid_ds *)&shm_info));
4083 if (host_to_target_shm_info(buf, &shm_info))
4084 return -TARGET_EFAULT;
4085 break;
4086 case IPC_RMID:
4087 case SHM_LOCK:
4088 case SHM_UNLOCK:
4089 ret = get_errno(shmctl(shmid, cmd, NULL));
4090 break;
4091 }
4092
4093 return ret;
4094}
4095
4096#ifndef TARGET_FORCE_SHMLBA
4097
4098
4099
4100
4101
4102
4103
4104
4105
4106
4107
4108
4109
4110static inline abi_ulong target_shmlba(CPUArchState *cpu_env)
4111{
4112 return TARGET_PAGE_SIZE;
4113}
4114#endif
4115
4116static inline abi_ulong do_shmat(CPUArchState *cpu_env,
4117 int shmid, abi_ulong shmaddr, int shmflg)
4118{
4119 abi_long raddr;
4120 void *host_raddr;
4121 struct shmid_ds shm_info;
4122 int i,ret;
4123 abi_ulong shmlba;
4124
4125
4126 ret = get_errno(shmctl(shmid, IPC_STAT, &shm_info));
4127 if (is_error(ret)) {
4128
4129 return ret;
4130 }
4131
4132 shmlba = target_shmlba(cpu_env);
4133
4134 if (shmaddr & (shmlba - 1)) {
4135 if (shmflg & SHM_RND) {
4136 shmaddr &= ~(shmlba - 1);
4137 } else {
4138 return -TARGET_EINVAL;
4139 }
4140 }
4141 if (!guest_range_valid(shmaddr, shm_info.shm_segsz)) {
4142 return -TARGET_EINVAL;
4143 }
4144
4145 mmap_lock();
4146
4147 if (shmaddr)
4148 host_raddr = shmat(shmid, (void *)g2h(shmaddr), shmflg);
4149 else {
4150 abi_ulong mmap_start;
4151
4152
4153 mmap_start = mmap_find_vma(0, shm_info.shm_segsz, MAX(SHMLBA, shmlba));
4154
4155 if (mmap_start == -1) {
4156 errno = ENOMEM;
4157 host_raddr = (void *)-1;
4158 } else
4159 host_raddr = shmat(shmid, g2h(mmap_start), shmflg | SHM_REMAP);
4160 }
4161
4162 if (host_raddr == (void *)-1) {
4163 mmap_unlock();
4164 return get_errno((long)host_raddr);
4165 }
4166 raddr=h2g((unsigned long)host_raddr);
4167
4168 page_set_flags(raddr, raddr + shm_info.shm_segsz,
4169 PAGE_VALID | PAGE_READ |
4170 ((shmflg & SHM_RDONLY)? 0 : PAGE_WRITE));
4171
4172 for (i = 0; i < N_SHM_REGIONS; i++) {
4173 if (!shm_regions[i].in_use) {
4174 shm_regions[i].in_use = true;
4175 shm_regions[i].start = raddr;
4176 shm_regions[i].size = shm_info.shm_segsz;
4177 break;
4178 }
4179 }
4180
4181 mmap_unlock();
4182 return raddr;
4183
4184}
4185
4186static inline abi_long do_shmdt(abi_ulong shmaddr)
4187{
4188 int i;
4189 abi_long rv;
4190
4191 mmap_lock();
4192
4193 for (i = 0; i < N_SHM_REGIONS; ++i) {
4194 if (shm_regions[i].in_use && shm_regions[i].start == shmaddr) {
4195 shm_regions[i].in_use = false;
4196 page_set_flags(shmaddr, shmaddr + shm_regions[i].size, 0);
4197 break;
4198 }
4199 }
4200 rv = get_errno(shmdt(g2h(shmaddr)));
4201
4202 mmap_unlock();
4203
4204 return rv;
4205}
4206
4207#ifdef TARGET_NR_ipc
4208
4209
4210static abi_long do_ipc(CPUArchState *cpu_env,
4211 unsigned int call, abi_long first,
4212 abi_long second, abi_long third,
4213 abi_long ptr, abi_long fifth)
4214{
4215 int version;
4216 abi_long ret = 0;
4217
4218 version = call >> 16;
4219 call &= 0xffff;
4220
4221 switch (call) {
4222 case IPCOP_semop:
4223 ret = do_semop(first, ptr, second);
4224 break;
4225
4226 case IPCOP_semget:
4227 ret = get_errno(semget(first, second, third));
4228 break;
4229
4230 case IPCOP_semctl: {
4231
4232
4233 abi_ulong atptr;
4234 get_user_ual(atptr, ptr);
4235 ret = do_semctl(first, second, third, atptr);
4236 break;
4237 }
4238
4239 case IPCOP_msgget:
4240 ret = get_errno(msgget(first, second));
4241 break;
4242
4243 case IPCOP_msgsnd:
4244 ret = do_msgsnd(first, ptr, second, third);
4245 break;
4246
4247 case IPCOP_msgctl:
4248 ret = do_msgctl(first, second, ptr);
4249 break;
4250
4251 case IPCOP_msgrcv:
4252 switch (version) {
4253 case 0:
4254 {
4255 struct target_ipc_kludge {
4256 abi_long msgp;
4257 abi_long msgtyp;
4258 } *tmp;
4259
4260 if (!lock_user_struct(VERIFY_READ, tmp, ptr, 1)) {
4261 ret = -TARGET_EFAULT;
4262 break;
4263 }
4264
4265 ret = do_msgrcv(first, tswapal(tmp->msgp), second, tswapal(tmp->msgtyp), third);
4266
4267 unlock_user_struct(tmp, ptr, 0);
4268 break;
4269 }
4270 default:
4271 ret = do_msgrcv(first, ptr, second, fifth, third);
4272 }
4273 break;
4274
4275 case IPCOP_shmat:
4276 switch (version) {
4277 default:
4278 {
4279 abi_ulong raddr;
4280 raddr = do_shmat(cpu_env, first, ptr, second);
4281 if (is_error(raddr))
4282 return get_errno(raddr);
4283 if (put_user_ual(raddr, third))
4284 return -TARGET_EFAULT;
4285 break;
4286 }
4287 case 1:
4288 ret = -TARGET_EINVAL;
4289 break;
4290 }
4291 break;
4292 case IPCOP_shmdt:
4293 ret = do_shmdt(ptr);
4294 break;
4295
4296 case IPCOP_shmget:
4297
4298 ret = get_errno(shmget(first, second, third));
4299 break;
4300
4301
4302 case IPCOP_shmctl:
4303 ret = do_shmctl(first, second, ptr);
4304 break;
4305 default:
4306 gemu_log("Unsupported ipc call: %d (version %d)\n", call, version);
4307 ret = -TARGET_ENOSYS;
4308 break;
4309 }
4310 return ret;
4311}
4312#endif
4313
4314
4315
4316#define STRUCT(name, ...) STRUCT_ ## name,
4317#define STRUCT_SPECIAL(name) STRUCT_ ## name,
4318enum {
4319#include "syscall_types.h"
4320STRUCT_MAX
4321};
4322#undef STRUCT
4323#undef STRUCT_SPECIAL
4324
4325#define STRUCT(name, ...) static const argtype struct_ ## name ## _def[] = { __VA_ARGS__, TYPE_NULL };
4326#define STRUCT_SPECIAL(name)
4327#include "syscall_types.h"
4328#undef STRUCT
4329#undef STRUCT_SPECIAL
4330
4331typedef struct IOCTLEntry IOCTLEntry;
4332
4333typedef abi_long do_ioctl_fn(const IOCTLEntry *ie, uint8_t *buf_temp,
4334 int fd, int cmd, abi_long arg);
4335
4336struct IOCTLEntry {
4337 int target_cmd;
4338 unsigned int host_cmd;
4339 const char *name;
4340 int access;
4341 do_ioctl_fn *do_ioctl;
4342 const argtype arg_type[5];
4343};
4344
4345#define IOC_R 0x0001
4346#define IOC_W 0x0002
4347#define IOC_RW (IOC_R | IOC_W)
4348
4349#define MAX_STRUCT_SIZE 4096
4350
4351#ifdef CONFIG_FIEMAP
4352
4353
4354
4355
4356#define FIEMAP_MAX_EXTENTS ((UINT_MAX - sizeof(struct fiemap)) \
4357 / sizeof(struct fiemap_extent))
4358
4359static abi_long do_ioctl_fs_ioc_fiemap(const IOCTLEntry *ie, uint8_t *buf_temp,
4360 int fd, int cmd, abi_long arg)
4361{
4362
4363
4364
4365
4366
4367 int target_size_in, target_size_out;
4368 struct fiemap *fm;
4369 const argtype *arg_type = ie->arg_type;
4370 const argtype extent_arg_type[] = { MK_STRUCT(STRUCT_fiemap_extent) };
4371 void *argptr, *p;
4372 abi_long ret;
4373 int i, extent_size = thunk_type_size(extent_arg_type, 0);
4374 uint32_t outbufsz;
4375 int free_fm = 0;
4376
4377 assert(arg_type[0] == TYPE_PTR);
4378 assert(ie->access == IOC_RW);
4379 arg_type++;
4380 target_size_in = thunk_type_size(arg_type, 0);
4381 argptr = lock_user(VERIFY_READ, arg, target_size_in, 1);
4382 if (!argptr) {
4383 return -TARGET_EFAULT;
4384 }
4385 thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST);
4386 unlock_user(argptr, arg, 0);
4387 fm = (struct fiemap *)buf_temp;
4388 if (fm->fm_extent_count > FIEMAP_MAX_EXTENTS) {
4389 return -TARGET_EINVAL;
4390 }
4391
4392 outbufsz = sizeof (*fm) +
4393 (sizeof(struct fiemap_extent) * fm->fm_extent_count);
4394
4395 if (outbufsz > MAX_STRUCT_SIZE) {
4396
4397
4398
4399 fm = g_try_malloc(outbufsz);
4400 if (!fm) {
4401 return -TARGET_ENOMEM;
4402 }
4403 memcpy(fm, buf_temp, sizeof(struct fiemap));
4404 free_fm = 1;
4405 }
4406 ret = get_errno(safe_ioctl(fd, ie->host_cmd, fm));
4407 if (!is_error(ret)) {
4408 target_size_out = target_size_in;
4409
4410
4411
4412 if (fm->fm_extent_count != 0) {
4413 target_size_out += fm->fm_mapped_extents * extent_size;
4414 }
4415 argptr = lock_user(VERIFY_WRITE, arg, target_size_out, 0);
4416 if (!argptr) {
4417 ret = -TARGET_EFAULT;
4418 } else {
4419
4420 thunk_convert(argptr, fm, arg_type, THUNK_TARGET);
4421 if (fm->fm_extent_count != 0) {
4422 p = argptr + target_size_in;
4423
4424 for (i = 0; i < fm->fm_mapped_extents; i++) {
4425 thunk_convert(p, &fm->fm_extents[i], extent_arg_type,
4426 THUNK_TARGET);
4427 p += extent_size;
4428 }
4429 }
4430 unlock_user(argptr, arg, target_size_out);
4431 }
4432 }
4433 if (free_fm) {
4434 g_free(fm);
4435 }
4436 return ret;
4437}
4438#endif
4439
4440static abi_long do_ioctl_ifconf(const IOCTLEntry *ie, uint8_t *buf_temp,
4441 int fd, int cmd, abi_long arg)
4442{
4443 const argtype *arg_type = ie->arg_type;
4444 int target_size;
4445 void *argptr;
4446 int ret;
4447 struct ifconf *host_ifconf;
4448 uint32_t outbufsz;
4449 const argtype ifreq_arg_type[] = { MK_STRUCT(STRUCT_sockaddr_ifreq) };
4450 int target_ifreq_size;
4451 int nb_ifreq;
4452 int free_buf = 0;
4453 int i;
4454 int target_ifc_len;
4455 abi_long target_ifc_buf;
4456 int host_ifc_len;
4457 char *host_ifc_buf;
4458
4459 assert(arg_type[0] == TYPE_PTR);
4460 assert(ie->access == IOC_RW);
4461
4462 arg_type++;
4463 target_size = thunk_type_size(arg_type, 0);
4464
4465 argptr = lock_user(VERIFY_READ, arg, target_size, 1);
4466 if (!argptr)
4467 return -TARGET_EFAULT;
4468 thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST);
4469 unlock_user(argptr, arg, 0);
4470
4471 host_ifconf = (struct ifconf *)(unsigned long)buf_temp;
4472 target_ifc_buf = (abi_long)(unsigned long)host_ifconf->ifc_buf;
4473 target_ifreq_size = thunk_type_size(ifreq_arg_type, 0);
4474
4475 if (target_ifc_buf != 0) {
4476 target_ifc_len = host_ifconf->ifc_len;
4477 nb_ifreq = target_ifc_len / target_ifreq_size;
4478 host_ifc_len = nb_ifreq * sizeof(struct ifreq);
4479
4480 outbufsz = sizeof(*host_ifconf) + host_ifc_len;
4481 if (outbufsz > MAX_STRUCT_SIZE) {
4482
4483
4484
4485
4486 host_ifconf = malloc(outbufsz);
4487 if (!host_ifconf) {
4488 return -TARGET_ENOMEM;
4489 }
4490 memcpy(host_ifconf, buf_temp, sizeof(*host_ifconf));
4491 free_buf = 1;
4492 }
4493 host_ifc_buf = (char *)host_ifconf + sizeof(*host_ifconf);
4494
4495 host_ifconf->ifc_len = host_ifc_len;
4496 } else {
4497 host_ifc_buf = NULL;
4498 }
4499 host_ifconf->ifc_buf = host_ifc_buf;
4500
4501 ret = get_errno(safe_ioctl(fd, ie->host_cmd, host_ifconf));
4502 if (!is_error(ret)) {
4503
4504
4505 nb_ifreq = host_ifconf->ifc_len / sizeof(struct ifreq);
4506 target_ifc_len = nb_ifreq * target_ifreq_size;
4507 host_ifconf->ifc_len = target_ifc_len;
4508
4509
4510
4511 host_ifconf->ifc_buf = (char *)(unsigned long)target_ifc_buf;
4512
4513
4514
4515 argptr = lock_user(VERIFY_WRITE, arg, target_size, 0);
4516 if (!argptr)
4517 return -TARGET_EFAULT;
4518 thunk_convert(argptr, host_ifconf, arg_type, THUNK_TARGET);
4519 unlock_user(argptr, arg, target_size);
4520
4521 if (target_ifc_buf != 0) {
4522
4523 argptr = lock_user(VERIFY_WRITE, target_ifc_buf, target_ifc_len, 0);
4524 for (i = 0; i < nb_ifreq ; i++) {
4525 thunk_convert(argptr + i * target_ifreq_size,
4526 host_ifc_buf + i * sizeof(struct ifreq),
4527 ifreq_arg_type, THUNK_TARGET);
4528 }
4529 unlock_user(argptr, target_ifc_buf, target_ifc_len);
4530 }
4531 }
4532
4533 if (free_buf) {
4534 free(host_ifconf);
4535 }
4536
4537 return ret;
4538}
4539
4540#if defined(CONFIG_USBFS)
4541#if HOST_LONG_BITS > 64
4542#error USBDEVFS thunks do not support >64 bit hosts yet.
4543#endif
4544struct live_urb {
4545 uint64_t target_urb_adr;
4546 uint64_t target_buf_adr;
4547 char *target_buf_ptr;
4548 struct usbdevfs_urb host_urb;
4549};
4550
4551static GHashTable *usbdevfs_urb_hashtable(void)
4552{
4553 static GHashTable *urb_hashtable;
4554
4555 if (!urb_hashtable) {
4556 urb_hashtable = g_hash_table_new(g_int64_hash, g_int64_equal);
4557 }
4558 return urb_hashtable;
4559}
4560
4561static void urb_hashtable_insert(struct live_urb *urb)
4562{
4563 GHashTable *urb_hashtable = usbdevfs_urb_hashtable();
4564 g_hash_table_insert(urb_hashtable, urb, urb);
4565}
4566
4567static struct live_urb *urb_hashtable_lookup(uint64_t target_urb_adr)
4568{
4569 GHashTable *urb_hashtable = usbdevfs_urb_hashtable();
4570 return g_hash_table_lookup(urb_hashtable, &target_urb_adr);
4571}
4572
4573static void urb_hashtable_remove(struct live_urb *urb)
4574{
4575 GHashTable *urb_hashtable = usbdevfs_urb_hashtable();
4576 g_hash_table_remove(urb_hashtable, urb);
4577}
4578
4579static abi_long
4580do_ioctl_usbdevfs_reapurb(const IOCTLEntry *ie, uint8_t *buf_temp,
4581 int fd, int cmd, abi_long arg)
4582{
4583 const argtype usbfsurb_arg_type[] = { MK_STRUCT(STRUCT_usbdevfs_urb) };
4584 const argtype ptrvoid_arg_type[] = { TYPE_PTRVOID, 0, 0 };
4585 struct live_urb *lurb;
4586 void *argptr;
4587 uint64_t hurb;
4588 int target_size;
4589 uintptr_t target_urb_adr;
4590 abi_long ret;
4591
4592 target_size = thunk_type_size(usbfsurb_arg_type, THUNK_TARGET);
4593
4594 memset(buf_temp, 0, sizeof(uint64_t));
4595 ret = get_errno(safe_ioctl(fd, ie->host_cmd, buf_temp));
4596 if (is_error(ret)) {
4597 return ret;
4598 }
4599
4600 memcpy(&hurb, buf_temp, sizeof(uint64_t));
4601 lurb = (void *)((uintptr_t)hurb - offsetof(struct live_urb, host_urb));
4602 if (!lurb->target_urb_adr) {
4603 return -TARGET_EFAULT;
4604 }
4605 urb_hashtable_remove(lurb);
4606 unlock_user(lurb->target_buf_ptr, lurb->target_buf_adr,
4607 lurb->host_urb.buffer_length);
4608 lurb->target_buf_ptr = NULL;
4609
4610
4611 lurb->host_urb.buffer = (void *)(uintptr_t)lurb->target_buf_adr;
4612
4613
4614 argptr = lock_user(VERIFY_WRITE, lurb->target_urb_adr, target_size, 0);
4615 if (!argptr) {
4616 g_free(lurb);
4617 return -TARGET_EFAULT;
4618 }
4619 thunk_convert(argptr, &lurb->host_urb, usbfsurb_arg_type, THUNK_TARGET);
4620 unlock_user(argptr, lurb->target_urb_adr, target_size);
4621
4622 target_size = thunk_type_size(ptrvoid_arg_type, THUNK_TARGET);
4623
4624 argptr = lock_user(VERIFY_WRITE, arg, target_size, 0);
4625 if (!argptr) {
4626 g_free(lurb);
4627 return -TARGET_EFAULT;
4628 }
4629
4630
4631 target_urb_adr = lurb->target_urb_adr;
4632 thunk_convert(argptr, &target_urb_adr, ptrvoid_arg_type, THUNK_TARGET);
4633 unlock_user(argptr, arg, target_size);
4634
4635 g_free(lurb);
4636 return ret;
4637}
4638
4639static abi_long
4640do_ioctl_usbdevfs_discardurb(const IOCTLEntry *ie,
4641 uint8_t *buf_temp __attribute__((unused)),
4642 int fd, int cmd, abi_long arg)
4643{
4644 struct live_urb *lurb;
4645
4646
4647 lurb = urb_hashtable_lookup(arg);
4648 if (!lurb) {
4649 return -TARGET_EFAULT;
4650 }
4651 return get_errno(safe_ioctl(fd, ie->host_cmd, &lurb->host_urb));
4652}
4653
4654static abi_long
4655do_ioctl_usbdevfs_submiturb(const IOCTLEntry *ie, uint8_t *buf_temp,
4656 int fd, int cmd, abi_long arg)
4657{
4658 const argtype *arg_type = ie->arg_type;
4659 int target_size;
4660 abi_long ret;
4661 void *argptr;
4662 int rw_dir;
4663 struct live_urb *lurb;
4664
4665
4666
4667
4668
4669
4670
4671 arg_type++;
4672 target_size = thunk_type_size(arg_type, THUNK_TARGET);
4673
4674
4675 lurb = g_try_malloc0(sizeof(struct live_urb));
4676 if (!lurb) {
4677 return -TARGET_ENOMEM;
4678 }
4679
4680 argptr = lock_user(VERIFY_READ, arg, target_size, 1);
4681 if (!argptr) {
4682 g_free(lurb);
4683 return -TARGET_EFAULT;
4684 }
4685 thunk_convert(&lurb->host_urb, argptr, arg_type, THUNK_HOST);
4686 unlock_user(argptr, arg, 0);
4687
4688 lurb->target_urb_adr = arg;
4689 lurb->target_buf_adr = (uintptr_t)lurb->host_urb.buffer;
4690
4691
4692
4693 rw_dir = lurb->host_urb.endpoint & USB_DIR_IN ? VERIFY_WRITE : VERIFY_READ;
4694 lurb->target_buf_ptr = lock_user(rw_dir, lurb->target_buf_adr,
4695 lurb->host_urb.buffer_length, 1);
4696 if (lurb->target_buf_ptr == NULL) {
4697 g_free(lurb);
4698 return -TARGET_EFAULT;
4699 }
4700
4701
4702 lurb->host_urb.buffer = lurb->target_buf_ptr;
4703
4704 ret = get_errno(safe_ioctl(fd, ie->host_cmd, &lurb->host_urb));
4705 if (is_error(ret)) {
4706 unlock_user(lurb->target_buf_ptr, lurb->target_buf_adr, 0);
4707 g_free(lurb);
4708 } else {
4709 urb_hashtable_insert(lurb);
4710 }
4711
4712 return ret;
4713}
4714#endif
4715
4716static abi_long do_ioctl_dm(const IOCTLEntry *ie, uint8_t *buf_temp, int fd,
4717 int cmd, abi_long arg)
4718{
4719 void *argptr;
4720 struct dm_ioctl *host_dm;
4721 abi_long guest_data;
4722 uint32_t guest_data_size;
4723 int target_size;
4724 const argtype *arg_type = ie->arg_type;
4725 abi_long ret;
4726 void *big_buf = NULL;
4727 char *host_data;
4728
4729 arg_type++;
4730 target_size = thunk_type_size(arg_type, 0);
4731 argptr = lock_user(VERIFY_READ, arg, target_size, 1);
4732 if (!argptr) {
4733 ret = -TARGET_EFAULT;
4734 goto out;
4735 }
4736 thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST);
4737 unlock_user(argptr, arg, 0);
4738
4739
4740 big_buf = g_malloc0(((struct dm_ioctl*)buf_temp)->data_size * 2);
4741 memcpy(big_buf, buf_temp, target_size);
4742 buf_temp = big_buf;
4743 host_dm = big_buf;
4744
4745 guest_data = arg + host_dm->data_start;
4746 if ((guest_data - arg) < 0) {
4747 ret = -TARGET_EINVAL;
4748 goto out;
4749 }
4750 guest_data_size = host_dm->data_size - host_dm->data_start;
4751 host_data = (char*)host_dm + host_dm->data_start;
4752
4753 argptr = lock_user(VERIFY_READ, guest_data, guest_data_size, 1);
4754 if (!argptr) {
4755 ret = -TARGET_EFAULT;
4756 goto out;
4757 }
4758
4759 switch (ie->host_cmd) {
4760 case DM_REMOVE_ALL:
4761 case DM_LIST_DEVICES:
4762 case DM_DEV_CREATE:
4763 case DM_DEV_REMOVE:
4764 case DM_DEV_SUSPEND:
4765 case DM_DEV_STATUS:
4766 case DM_DEV_WAIT:
4767 case DM_TABLE_STATUS:
4768 case DM_TABLE_CLEAR:
4769 case DM_TABLE_DEPS:
4770 case DM_LIST_VERSIONS:
4771
4772 break;
4773 case DM_DEV_RENAME:
4774 case DM_DEV_SET_GEOMETRY:
4775
4776 memcpy(host_data, argptr, guest_data_size);
4777 break;
4778 case DM_TARGET_MSG:
4779 memcpy(host_data, argptr, guest_data_size);
4780 *(uint64_t*)host_data = tswap64(*(uint64_t*)argptr);
4781 break;
4782 case DM_TABLE_LOAD:
4783 {
4784 void *gspec = argptr;
4785 void *cur_data = host_data;
4786 const argtype arg_type[] = { MK_STRUCT(STRUCT_dm_target_spec) };
4787 int spec_size = thunk_type_size(arg_type, 0);
4788 int i;
4789
4790 for (i = 0; i < host_dm->target_count; i++) {
4791 struct dm_target_spec *spec = cur_data;
4792 uint32_t next;
4793 int slen;
4794
4795 thunk_convert(spec, gspec, arg_type, THUNK_HOST);
4796 slen = strlen((char*)gspec + spec_size) + 1;
4797 next = spec->next;
4798 spec->next = sizeof(*spec) + slen;
4799 strcpy((char*)&spec[1], gspec + spec_size);
4800 gspec += next;
4801 cur_data += spec->next;
4802 }
4803 break;
4804 }
4805 default:
4806 ret = -TARGET_EINVAL;
4807 unlock_user(argptr, guest_data, 0);
4808 goto out;
4809 }
4810 unlock_user(argptr, guest_data, 0);
4811
4812 ret = get_errno(safe_ioctl(fd, ie->host_cmd, buf_temp));
4813 if (!is_error(ret)) {
4814 guest_data = arg + host_dm->data_start;
4815 guest_data_size = host_dm->data_size - host_dm->data_start;
4816 argptr = lock_user(VERIFY_WRITE, guest_data, guest_data_size, 0);
4817 switch (ie->host_cmd) {
4818 case DM_REMOVE_ALL:
4819 case DM_DEV_CREATE:
4820 case DM_DEV_REMOVE:
4821 case DM_DEV_RENAME:
4822 case DM_DEV_SUSPEND:
4823 case DM_DEV_STATUS:
4824 case DM_TABLE_LOAD:
4825 case DM_TABLE_CLEAR:
4826 case DM_TARGET_MSG:
4827 case DM_DEV_SET_GEOMETRY:
4828
4829 break;
4830 case DM_LIST_DEVICES:
4831 {
4832 struct dm_name_list *nl = (void*)host_dm + host_dm->data_start;
4833 uint32_t remaining_data = guest_data_size;
4834 void *cur_data = argptr;
4835 const argtype arg_type[] = { MK_STRUCT(STRUCT_dm_name_list) };
4836 int nl_size = 12;
4837
4838 while (1) {
4839 uint32_t next = nl->next;
4840 if (next) {
4841 nl->next = nl_size + (strlen(nl->name) + 1);
4842 }
4843 if (remaining_data < nl->next) {
4844 host_dm->flags |= DM_BUFFER_FULL_FLAG;
4845 break;
4846 }
4847 thunk_convert(cur_data, nl, arg_type, THUNK_TARGET);
4848 strcpy(cur_data + nl_size, nl->name);
4849 cur_data += nl->next;
4850 remaining_data -= nl->next;
4851 if (!next) {
4852 break;
4853 }
4854 nl = (void*)nl + next;
4855 }
4856 break;
4857 }
4858 case DM_DEV_WAIT:
4859 case DM_TABLE_STATUS:
4860 {
4861 struct dm_target_spec *spec = (void*)host_dm + host_dm->data_start;
4862 void *cur_data = argptr;
4863 const argtype arg_type[] = { MK_STRUCT(STRUCT_dm_target_spec) };
4864 int spec_size = thunk_type_size(arg_type, 0);
4865 int i;
4866
4867 for (i = 0; i < host_dm->target_count; i++) {
4868 uint32_t next = spec->next;
4869 int slen = strlen((char*)&spec[1]) + 1;
4870 spec->next = (cur_data - argptr) + spec_size + slen;
4871 if (guest_data_size < spec->next) {
4872 host_dm->flags |= DM_BUFFER_FULL_FLAG;
4873 break;
4874 }
4875 thunk_convert(cur_data, spec, arg_type, THUNK_TARGET);
4876 strcpy(cur_data + spec_size, (char*)&spec[1]);
4877 cur_data = argptr + spec->next;
4878 spec = (void*)host_dm + host_dm->data_start + next;
4879 }
4880 break;
4881 }
4882 case DM_TABLE_DEPS:
4883 {
4884 void *hdata = (void*)host_dm + host_dm->data_start;
4885 int count = *(uint32_t*)hdata;
4886 uint64_t *hdev = hdata + 8;
4887 uint64_t *gdev = argptr + 8;
4888 int i;
4889
4890 *(uint32_t*)argptr = tswap32(count);
4891 for (i = 0; i < count; i++) {
4892 *gdev = tswap64(*hdev);
4893 gdev++;
4894 hdev++;
4895 }
4896 break;
4897 }
4898 case DM_LIST_VERSIONS:
4899 {
4900 struct dm_target_versions *vers = (void*)host_dm + host_dm->data_start;
4901 uint32_t remaining_data = guest_data_size;
4902 void *cur_data = argptr;
4903 const argtype arg_type[] = { MK_STRUCT(STRUCT_dm_target_versions) };
4904 int vers_size = thunk_type_size(arg_type, 0);
4905
4906 while (1) {
4907 uint32_t next = vers->next;
4908 if (next) {
4909 vers->next = vers_size + (strlen(vers->name) + 1);
4910 }
4911 if (remaining_data < vers->next) {
4912 host_dm->flags |= DM_BUFFER_FULL_FLAG;
4913 break;
4914 }
4915 thunk_convert(cur_data, vers, arg_type, THUNK_TARGET);
4916 strcpy(cur_data + vers_size, vers->name);
4917 cur_data += vers->next;
4918 remaining_data -= vers->next;
4919 if (!next) {
4920 break;
4921 }
4922 vers = (void*)vers + next;
4923 }
4924 break;
4925 }
4926 default:
4927 unlock_user(argptr, guest_data, 0);
4928 ret = -TARGET_EINVAL;
4929 goto out;
4930 }
4931 unlock_user(argptr, guest_data, guest_data_size);
4932
4933 argptr = lock_user(VERIFY_WRITE, arg, target_size, 0);
4934 if (!argptr) {
4935 ret = -TARGET_EFAULT;
4936 goto out;
4937 }
4938 thunk_convert(argptr, buf_temp, arg_type, THUNK_TARGET);
4939 unlock_user(argptr, arg, target_size);
4940 }
4941out:
4942 g_free(big_buf);
4943 return ret;
4944}
4945
4946static abi_long do_ioctl_blkpg(const IOCTLEntry *ie, uint8_t *buf_temp, int fd,
4947 int cmd, abi_long arg)
4948{
4949 void *argptr;
4950 int target_size;
4951 const argtype *arg_type = ie->arg_type;
4952 const argtype part_arg_type[] = { MK_STRUCT(STRUCT_blkpg_partition) };
4953 abi_long ret;
4954
4955 struct blkpg_ioctl_arg *host_blkpg = (void*)buf_temp;
4956 struct blkpg_partition host_part;
4957
4958
4959 arg_type++;
4960 target_size = thunk_type_size(arg_type, 0);
4961 argptr = lock_user(VERIFY_READ, arg, target_size, 1);
4962 if (!argptr) {
4963 ret = -TARGET_EFAULT;
4964 goto out;
4965 }
4966 thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST);
4967 unlock_user(argptr, arg, 0);
4968
4969 switch (host_blkpg->op) {
4970 case BLKPG_ADD_PARTITION:
4971 case BLKPG_DEL_PARTITION:
4972
4973 break;
4974 default:
4975
4976 ret = -TARGET_EINVAL;
4977 goto out;
4978 }
4979
4980
4981 arg = (abi_long)(uintptr_t)host_blkpg->data;
4982 target_size = thunk_type_size(part_arg_type, 0);
4983 argptr = lock_user(VERIFY_READ, arg, target_size, 1);
4984 if (!argptr) {
4985 ret = -TARGET_EFAULT;
4986 goto out;
4987 }
4988 thunk_convert(&host_part, argptr, part_arg_type, THUNK_HOST);
4989 unlock_user(argptr, arg, 0);
4990
4991
4992 host_blkpg->data = &host_part;
4993 ret = get_errno(safe_ioctl(fd, ie->host_cmd, host_blkpg));
4994
4995out:
4996 return ret;
4997}
4998
4999static abi_long do_ioctl_rt(const IOCTLEntry *ie, uint8_t *buf_temp,
5000 int fd, int cmd, abi_long arg)
5001{
5002 const argtype *arg_type = ie->arg_type;
5003 const StructEntry *se;
5004 const argtype *field_types;
5005 const int *dst_offsets, *src_offsets;
5006 int target_size;
5007 void *argptr;
5008 abi_ulong *target_rt_dev_ptr = NULL;
5009 unsigned long *host_rt_dev_ptr = NULL;
5010 abi_long ret;
5011 int i;
5012
5013 assert(ie->access == IOC_W);
5014 assert(*arg_type == TYPE_PTR);
5015 arg_type++;
5016 assert(*arg_type == TYPE_STRUCT);
5017 target_size = thunk_type_size(arg_type, 0);
5018 argptr = lock_user(VERIFY_READ, arg, target_size, 1);
5019 if (!argptr) {
5020 return -TARGET_EFAULT;
5021 }
5022 arg_type++;
5023 assert(*arg_type == (int)STRUCT_rtentry);
5024 se = struct_entries + *arg_type++;
5025 assert(se->convert[0] == NULL);
5026
5027 field_types = se->field_types;
5028 dst_offsets = se->field_offsets[THUNK_HOST];
5029 src_offsets = se->field_offsets[THUNK_TARGET];
5030 for (i = 0; i < se->nb_fields; i++) {
5031 if (dst_offsets[i] == offsetof(struct rtentry, rt_dev)) {
5032 assert(*field_types == TYPE_PTRVOID);
5033 target_rt_dev_ptr = (abi_ulong *)(argptr + src_offsets[i]);
5034 host_rt_dev_ptr = (unsigned long *)(buf_temp + dst_offsets[i]);
5035 if (*target_rt_dev_ptr != 0) {
5036 *host_rt_dev_ptr = (unsigned long)lock_user_string(
5037 tswapal(*target_rt_dev_ptr));
5038 if (!*host_rt_dev_ptr) {
5039 unlock_user(argptr, arg, 0);
5040 return -TARGET_EFAULT;
5041 }
5042 } else {
5043 *host_rt_dev_ptr = 0;
5044 }
5045 field_types++;
5046 continue;
5047 }
5048 field_types = thunk_convert(buf_temp + dst_offsets[i],
5049 argptr + src_offsets[i],
5050 field_types, THUNK_HOST);
5051 }
5052 unlock_user(argptr, arg, 0);
5053
5054 ret = get_errno(safe_ioctl(fd, ie->host_cmd, buf_temp));
5055
5056 assert(host_rt_dev_ptr != NULL);
5057 assert(target_rt_dev_ptr != NULL);
5058 if (*host_rt_dev_ptr != 0) {
5059 unlock_user((void *)*host_rt_dev_ptr,
5060 *target_rt_dev_ptr, 0);
5061 }
5062 return ret;
5063}
5064
5065static abi_long do_ioctl_kdsigaccept(const IOCTLEntry *ie, uint8_t *buf_temp,
5066 int fd, int cmd, abi_long arg)
5067{
5068 int sig = target_to_host_signal(arg);
5069 return get_errno(safe_ioctl(fd, ie->host_cmd, sig));
5070}
5071
5072static abi_long do_ioctl_SIOCGSTAMP(const IOCTLEntry *ie, uint8_t *buf_temp,
5073 int fd, int cmd, abi_long arg)
5074{
5075 struct timeval tv;
5076 abi_long ret;
5077
5078 ret = get_errno(safe_ioctl(fd, SIOCGSTAMP, &tv));
5079 if (is_error(ret)) {
5080 return ret;
5081 }
5082
5083 if (cmd == (int)TARGET_SIOCGSTAMP_OLD) {
5084 if (copy_to_user_timeval(arg, &tv)) {
5085 return -TARGET_EFAULT;
5086 }
5087 } else {
5088 if (copy_to_user_timeval64(arg, &tv)) {
5089 return -TARGET_EFAULT;
5090 }
5091 }
5092
5093 return ret;
5094}
5095
5096static abi_long do_ioctl_SIOCGSTAMPNS(const IOCTLEntry *ie, uint8_t *buf_temp,
5097 int fd, int cmd, abi_long arg)
5098{
5099 struct timespec ts;
5100 abi_long ret;
5101
5102 ret = get_errno(safe_ioctl(fd, SIOCGSTAMPNS, &ts));
5103 if (is_error(ret)) {
5104 return ret;
5105 }
5106
5107 if (cmd == (int)TARGET_SIOCGSTAMPNS_OLD) {
5108 if (host_to_target_timespec(arg, &ts)) {
5109 return -TARGET_EFAULT;
5110 }
5111 } else{
5112 if (host_to_target_timespec64(arg, &ts)) {
5113 return -TARGET_EFAULT;
5114 }
5115 }
5116
5117 return ret;
5118}
5119
5120#ifdef TIOCGPTPEER
5121static abi_long do_ioctl_tiocgptpeer(const IOCTLEntry *ie, uint8_t *buf_temp,
5122 int fd, int cmd, abi_long arg)
5123{
5124 int flags = target_to_host_bitmask(arg, fcntl_flags_tbl);
5125 return get_errno(safe_ioctl(fd, ie->host_cmd, flags));
5126}
5127#endif
5128
5129static IOCTLEntry ioctl_entries[] = {
5130#define IOCTL(cmd, access, ...) \
5131 { TARGET_ ## cmd, cmd, #cmd, access, 0, { __VA_ARGS__ } },
5132#define IOCTL_SPECIAL(cmd, access, dofn, ...) \
5133 { TARGET_ ## cmd, cmd, #cmd, access, dofn, { __VA_ARGS__ } },
5134#define IOCTL_IGNORE(cmd) \
5135 { TARGET_ ## cmd, 0, #cmd },
5136#include "ioctls.h"
5137 { 0, 0, },
5138};
5139
5140
5141
5142static abi_long do_ioctl(int fd, int cmd, abi_long arg)
5143{
5144 const IOCTLEntry *ie;
5145 const argtype *arg_type;
5146 abi_long ret;
5147 uint8_t buf_temp[MAX_STRUCT_SIZE];
5148 int target_size;
5149 void *argptr;
5150
5151 ie = ioctl_entries;
5152 for(;;) {
5153 if (ie->target_cmd == 0) {
5154 gemu_log("Unsupported ioctl: cmd=0x%04lx\n", (long)cmd);
5155 return -TARGET_ENOSYS;
5156 }
5157 if (ie->target_cmd == cmd)
5158 break;
5159 ie++;
5160 }
5161 arg_type = ie->arg_type;
5162 if (ie->do_ioctl) {
5163 return ie->do_ioctl(ie, buf_temp, fd, cmd, arg);
5164 } else if (!ie->host_cmd) {
5165
5166
5167 return -TARGET_ENOSYS;
5168 }
5169
5170 switch(arg_type[0]) {
5171 case TYPE_NULL:
5172
5173 ret = get_errno(safe_ioctl(fd, ie->host_cmd));
5174 break;
5175 case TYPE_PTRVOID:
5176 case TYPE_INT:
5177 ret = get_errno(safe_ioctl(fd, ie->host_cmd, arg));
5178 break;
5179 case TYPE_PTR:
5180 arg_type++;
5181 target_size = thunk_type_size(arg_type, 0);
5182 switch(ie->access) {
5183 case IOC_R:
5184 ret = get_errno(safe_ioctl(fd, ie->host_cmd, buf_temp));
5185 if (!is_error(ret)) {
5186 argptr = lock_user(VERIFY_WRITE, arg, target_size, 0);
5187 if (!argptr)
5188 return -TARGET_EFAULT;
5189 thunk_convert(argptr, buf_temp, arg_type, THUNK_TARGET);
5190 unlock_user(argptr, arg, target_size);
5191 }
5192 break;
5193 case IOC_W:
5194 argptr = lock_user(VERIFY_READ, arg, target_size, 1);
5195 if (!argptr)
5196 return -TARGET_EFAULT;
5197 thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST);
5198 unlock_user(argptr, arg, 0);
5199 ret = get_errno(safe_ioctl(fd, ie->host_cmd, buf_temp));
5200 break;
5201 default:
5202 case IOC_RW:
5203 argptr = lock_user(VERIFY_READ, arg, target_size, 1);
5204 if (!argptr)
5205 return -TARGET_EFAULT;
5206 thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST);
5207 unlock_user(argptr, arg, 0);
5208 ret = get_errno(safe_ioctl(fd, ie->host_cmd, buf_temp));
5209 if (!is_error(ret)) {
5210 argptr = lock_user(VERIFY_WRITE, arg, target_size, 0);
5211 if (!argptr)
5212 return -TARGET_EFAULT;
5213 thunk_convert(argptr, buf_temp, arg_type, THUNK_TARGET);
5214 unlock_user(argptr, arg, target_size);
5215 }
5216 break;
5217 }
5218 break;
5219 default:
5220 gemu_log("Unsupported ioctl type: cmd=0x%04lx type=%d\n",
5221 (long)cmd, arg_type[0]);
5222 ret = -TARGET_ENOSYS;
5223 break;
5224 }
5225 return ret;
5226}
5227
5228static const bitmask_transtbl iflag_tbl[] = {
5229 { TARGET_IGNBRK, TARGET_IGNBRK, IGNBRK, IGNBRK },
5230 { TARGET_BRKINT, TARGET_BRKINT, BRKINT, BRKINT },
5231 { TARGET_IGNPAR, TARGET_IGNPAR, IGNPAR, IGNPAR },
5232 { TARGET_PARMRK, TARGET_PARMRK, PARMRK, PARMRK },
5233 { TARGET_INPCK, TARGET_INPCK, INPCK, INPCK },
5234 { TARGET_ISTRIP, TARGET_ISTRIP, ISTRIP, ISTRIP },
5235 { TARGET_INLCR, TARGET_INLCR, INLCR, INLCR },
5236 { TARGET_IGNCR, TARGET_IGNCR, IGNCR, IGNCR },
5237 { TARGET_ICRNL, TARGET_ICRNL, ICRNL, ICRNL },
5238 { TARGET_IUCLC, TARGET_IUCLC, IUCLC, IUCLC },
5239 { TARGET_IXON, TARGET_IXON, IXON, IXON },
5240 { TARGET_IXANY, TARGET_IXANY, IXANY, IXANY },
5241 { TARGET_IXOFF, TARGET_IXOFF, IXOFF, IXOFF },
5242 { TARGET_IMAXBEL, TARGET_IMAXBEL, IMAXBEL, IMAXBEL },
5243 { 0, 0, 0, 0 }
5244};
5245
5246static const bitmask_transtbl oflag_tbl[] = {
5247 { TARGET_OPOST, TARGET_OPOST, OPOST, OPOST },
5248 { TARGET_OLCUC, TARGET_OLCUC, OLCUC, OLCUC },
5249 { TARGET_ONLCR, TARGET_ONLCR, ONLCR, ONLCR },
5250 { TARGET_OCRNL, TARGET_OCRNL, OCRNL, OCRNL },
5251 { TARGET_ONOCR, TARGET_ONOCR, ONOCR, ONOCR },
5252 { TARGET_ONLRET, TARGET_ONLRET, ONLRET, ONLRET },
5253 { TARGET_OFILL, TARGET_OFILL, OFILL, OFILL },
5254 { TARGET_OFDEL, TARGET_OFDEL, OFDEL, OFDEL },
5255 { TARGET_NLDLY, TARGET_NL0, NLDLY, NL0 },
5256 { TARGET_NLDLY, TARGET_NL1, NLDLY, NL1 },
5257 { TARGET_CRDLY, TARGET_CR0, CRDLY, CR0 },
5258 { TARGET_CRDLY, TARGET_CR1, CRDLY, CR1 },
5259 { TARGET_CRDLY, TARGET_CR2, CRDLY, CR2 },
5260 { TARGET_CRDLY, TARGET_CR3, CRDLY, CR3 },
5261 { TARGET_TABDLY, TARGET_TAB0, TABDLY, TAB0 },
5262 { TARGET_TABDLY, TARGET_TAB1, TABDLY, TAB1 },
5263 { TARGET_TABDLY, TARGET_TAB2, TABDLY, TAB2 },
5264 { TARGET_TABDLY, TARGET_TAB3, TABDLY, TAB3 },
5265 { TARGET_BSDLY, TARGET_BS0, BSDLY, BS0 },
5266 { TARGET_BSDLY, TARGET_BS1, BSDLY, BS1 },
5267 { TARGET_VTDLY, TARGET_VT0, VTDLY, VT0 },
5268 { TARGET_VTDLY, TARGET_VT1, VTDLY, VT1 },
5269 { TARGET_FFDLY, TARGET_FF0, FFDLY, FF0 },
5270 { TARGET_FFDLY, TARGET_FF1, FFDLY, FF1 },
5271 { 0, 0, 0, 0 }
5272};
5273
5274static const bitmask_transtbl cflag_tbl[] = {
5275 { TARGET_CBAUD, TARGET_B0, CBAUD, B0 },
5276 { TARGET_CBAUD, TARGET_B50, CBAUD, B50 },
5277 { TARGET_CBAUD, TARGET_B75, CBAUD, B75 },
5278 { TARGET_CBAUD, TARGET_B110, CBAUD, B110 },
5279 { TARGET_CBAUD, TARGET_B134, CBAUD, B134 },
5280 { TARGET_CBAUD, TARGET_B150, CBAUD, B150 },
5281 { TARGET_CBAUD, TARGET_B200, CBAUD, B200 },
5282 { TARGET_CBAUD, TARGET_B300, CBAUD, B300 },
5283 { TARGET_CBAUD, TARGET_B600, CBAUD, B600 },
5284 { TARGET_CBAUD, TARGET_B1200, CBAUD, B1200 },
5285 { TARGET_CBAUD, TARGET_B1800, CBAUD, B1800 },
5286 { TARGET_CBAUD, TARGET_B2400, CBAUD, B2400 },
5287 { TARGET_CBAUD, TARGET_B4800, CBAUD, B4800 },
5288 { TARGET_CBAUD, TARGET_B9600, CBAUD, B9600 },
5289 { TARGET_CBAUD, TARGET_B19200, CBAUD, B19200 },
5290 { TARGET_CBAUD, TARGET_B38400, CBAUD, B38400 },
5291 { TARGET_CBAUD, TARGET_B57600, CBAUD, B57600 },
5292 { TARGET_CBAUD, TARGET_B115200, CBAUD, B115200 },
5293 { TARGET_CBAUD, TARGET_B230400, CBAUD, B230400 },
5294 { TARGET_CBAUD, TARGET_B460800, CBAUD, B460800 },
5295 { TARGET_CSIZE, TARGET_CS5, CSIZE, CS5 },
5296 { TARGET_CSIZE, TARGET_CS6, CSIZE, CS6 },
5297 { TARGET_CSIZE, TARGET_CS7, CSIZE, CS7 },
5298 { TARGET_CSIZE, TARGET_CS8, CSIZE, CS8 },
5299 { TARGET_CSTOPB, TARGET_CSTOPB, CSTOPB, CSTOPB },
5300 { TARGET_CREAD, TARGET_CREAD, CREAD, CREAD },
5301 { TARGET_PARENB, TARGET_PARENB, PARENB, PARENB },
5302 { TARGET_PARODD, TARGET_PARODD, PARODD, PARODD },
5303 { TARGET_HUPCL, TARGET_HUPCL, HUPCL, HUPCL },
5304 { TARGET_CLOCAL, TARGET_CLOCAL, CLOCAL, CLOCAL },
5305 { TARGET_CRTSCTS, TARGET_CRTSCTS, CRTSCTS, CRTSCTS },
5306 { 0, 0, 0, 0 }
5307};
5308
5309static const bitmask_transtbl lflag_tbl[] = {
5310 { TARGET_ISIG, TARGET_ISIG, ISIG, ISIG },
5311 { TARGET_ICANON, TARGET_ICANON, ICANON, ICANON },
5312 { TARGET_XCASE, TARGET_XCASE, XCASE, XCASE },
5313 { TARGET_ECHO, TARGET_ECHO, ECHO, ECHO },
5314 { TARGET_ECHOE, TARGET_ECHOE, ECHOE, ECHOE },
5315 { TARGET_ECHOK, TARGET_ECHOK, ECHOK, ECHOK },
5316 { TARGET_ECHONL, TARGET_ECHONL, ECHONL, ECHONL },
5317 { TARGET_NOFLSH, TARGET_NOFLSH, NOFLSH, NOFLSH },
5318 { TARGET_TOSTOP, TARGET_TOSTOP, TOSTOP, TOSTOP },
5319 { TARGET_ECHOCTL, TARGET_ECHOCTL, ECHOCTL, ECHOCTL },
5320 { TARGET_ECHOPRT, TARGET_ECHOPRT, ECHOPRT, ECHOPRT },
5321 { TARGET_ECHOKE, TARGET_ECHOKE, ECHOKE, ECHOKE },
5322 { TARGET_FLUSHO, TARGET_FLUSHO, FLUSHO, FLUSHO },
5323 { TARGET_PENDIN, TARGET_PENDIN, PENDIN, PENDIN },
5324 { TARGET_IEXTEN, TARGET_IEXTEN, IEXTEN, IEXTEN },
5325 { 0, 0, 0, 0 }
5326};
5327
5328static void target_to_host_termios (void *dst, const void *src)
5329{
5330 struct host_termios *host = dst;
5331 const struct target_termios *target = src;
5332
5333 host->c_iflag =
5334 target_to_host_bitmask(tswap32(target->c_iflag), iflag_tbl);
5335 host->c_oflag =
5336 target_to_host_bitmask(tswap32(target->c_oflag), oflag_tbl);
5337 host->c_cflag =
5338 target_to_host_bitmask(tswap32(target->c_cflag), cflag_tbl);
5339 host->c_lflag =
5340 target_to_host_bitmask(tswap32(target->c_lflag), lflag_tbl);
5341 host->c_line = target->c_line;
5342
5343 memset(host->c_cc, 0, sizeof(host->c_cc));
5344 host->c_cc[VINTR] = target->c_cc[TARGET_VINTR];
5345 host->c_cc[VQUIT] = target->c_cc[TARGET_VQUIT];
5346 host->c_cc[VERASE] = target->c_cc[TARGET_VERASE];
5347 host->c_cc[VKILL] = target->c_cc[TARGET_VKILL];
5348 host->c_cc[VEOF] = target->c_cc[TARGET_VEOF];
5349 host->c_cc[VTIME] = target->c_cc[TARGET_VTIME];
5350 host->c_cc[VMIN] = target->c_cc[TARGET_VMIN];
5351 host->c_cc[VSWTC] = target->c_cc[TARGET_VSWTC];
5352 host->c_cc[VSTART] = target->c_cc[TARGET_VSTART];
5353 host->c_cc[VSTOP] = target->c_cc[TARGET_VSTOP];
5354 host->c_cc[VSUSP] = target->c_cc[TARGET_VSUSP];
5355 host->c_cc[VEOL] = target->c_cc[TARGET_VEOL];
5356 host->c_cc[VREPRINT] = target->c_cc[TARGET_VREPRINT];
5357 host->c_cc[VDISCARD] = target->c_cc[TARGET_VDISCARD];
5358 host->c_cc[VWERASE] = target->c_cc[TARGET_VWERASE];
5359 host->c_cc[VLNEXT] = target->c_cc[TARGET_VLNEXT];
5360 host->c_cc[VEOL2] = target->c_cc[TARGET_VEOL2];
5361}
5362
5363static void host_to_target_termios (void *dst, const void *src)
5364{
5365 struct target_termios *target = dst;
5366 const struct host_termios *host = src;
5367
5368 target->c_iflag =
5369 tswap32(host_to_target_bitmask(host->c_iflag, iflag_tbl));
5370 target->c_oflag =
5371 tswap32(host_to_target_bitmask(host->c_oflag, oflag_tbl));
5372 target->c_cflag =
5373 tswap32(host_to_target_bitmask(host->c_cflag, cflag_tbl));
5374 target->c_lflag =
5375 tswap32(host_to_target_bitmask(host->c_lflag, lflag_tbl));
5376 target->c_line = host->c_line;
5377
5378 memset(target->c_cc, 0, sizeof(target->c_cc));
5379 target->c_cc[TARGET_VINTR] = host->c_cc[VINTR];
5380 target->c_cc[TARGET_VQUIT] = host->c_cc[VQUIT];
5381 target->c_cc[TARGET_VERASE] = host->c_cc[VERASE];
5382 target->c_cc[TARGET_VKILL] = host->c_cc[VKILL];
5383 target->c_cc[TARGET_VEOF] = host->c_cc[VEOF];
5384 target->c_cc[TARGET_VTIME] = host->c_cc[VTIME];
5385 target->c_cc[TARGET_VMIN] = host->c_cc[VMIN];
5386 target->c_cc[TARGET_VSWTC] = host->c_cc[VSWTC];
5387 target->c_cc[TARGET_VSTART] = host->c_cc[VSTART];
5388 target->c_cc[TARGET_VSTOP] = host->c_cc[VSTOP];
5389 target->c_cc[TARGET_VSUSP] = host->c_cc[VSUSP];
5390 target->c_cc[TARGET_VEOL] = host->c_cc[VEOL];
5391 target->c_cc[TARGET_VREPRINT] = host->c_cc[VREPRINT];
5392 target->c_cc[TARGET_VDISCARD] = host->c_cc[VDISCARD];
5393 target->c_cc[TARGET_VWERASE] = host->c_cc[VWERASE];
5394 target->c_cc[TARGET_VLNEXT] = host->c_cc[VLNEXT];
5395 target->c_cc[TARGET_VEOL2] = host->c_cc[VEOL2];
5396}
5397
5398static const StructEntry struct_termios_def = {
5399 .convert = { host_to_target_termios, target_to_host_termios },
5400 .size = { sizeof(struct target_termios), sizeof(struct host_termios) },
5401 .align = { __alignof__(struct target_termios), __alignof__(struct host_termios) },
5402};
5403
5404static bitmask_transtbl mmap_flags_tbl[] = {
5405 { TARGET_MAP_SHARED, TARGET_MAP_SHARED, MAP_SHARED, MAP_SHARED },
5406 { TARGET_MAP_PRIVATE, TARGET_MAP_PRIVATE, MAP_PRIVATE, MAP_PRIVATE },
5407 { TARGET_MAP_FIXED, TARGET_MAP_FIXED, MAP_FIXED, MAP_FIXED },
5408 { TARGET_MAP_ANONYMOUS, TARGET_MAP_ANONYMOUS,
5409 MAP_ANONYMOUS, MAP_ANONYMOUS },
5410 { TARGET_MAP_GROWSDOWN, TARGET_MAP_GROWSDOWN,
5411 MAP_GROWSDOWN, MAP_GROWSDOWN },
5412 { TARGET_MAP_DENYWRITE, TARGET_MAP_DENYWRITE,
5413 MAP_DENYWRITE, MAP_DENYWRITE },
5414 { TARGET_MAP_EXECUTABLE, TARGET_MAP_EXECUTABLE,
5415 MAP_EXECUTABLE, MAP_EXECUTABLE },
5416 { TARGET_MAP_LOCKED, TARGET_MAP_LOCKED, MAP_LOCKED, MAP_LOCKED },
5417 { TARGET_MAP_NORESERVE, TARGET_MAP_NORESERVE,
5418 MAP_NORESERVE, MAP_NORESERVE },
5419 { TARGET_MAP_HUGETLB, TARGET_MAP_HUGETLB, MAP_HUGETLB, MAP_HUGETLB },
5420
5421
5422
5423 { TARGET_MAP_STACK, TARGET_MAP_STACK, 0, 0 },
5424 { 0, 0, 0, 0 }
5425};
5426
5427#if defined(TARGET_I386)
5428
5429
5430static uint8_t *ldt_table;
5431
5432static abi_long read_ldt(abi_ulong ptr, unsigned long bytecount)
5433{
5434 int size;
5435 void *p;
5436
5437 if (!ldt_table)
5438 return 0;
5439 size = TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE;
5440 if (size > bytecount)
5441 size = bytecount;
5442 p = lock_user(VERIFY_WRITE, ptr, size, 0);
5443 if (!p)
5444 return -TARGET_EFAULT;
5445
5446 memcpy(p, ldt_table, size);
5447 unlock_user(p, ptr, size);
5448 return size;
5449}
5450
5451
5452static abi_long write_ldt(CPUX86State *env,
5453 abi_ulong ptr, unsigned long bytecount, int oldmode)
5454{
5455 struct target_modify_ldt_ldt_s ldt_info;
5456 struct target_modify_ldt_ldt_s *target_ldt_info;
5457 int seg_32bit, contents, read_exec_only, limit_in_pages;
5458 int seg_not_present, useable, lm;
5459 uint32_t *lp, entry_1, entry_2;
5460
5461 if (bytecount != sizeof(ldt_info))
5462 return -TARGET_EINVAL;
5463 if (!lock_user_struct(VERIFY_READ, target_ldt_info, ptr, 1))
5464 return -TARGET_EFAULT;
5465 ldt_info.entry_number = tswap32(target_ldt_info->entry_number);
5466 ldt_info.base_addr = tswapal(target_ldt_info->base_addr);
5467 ldt_info.limit = tswap32(target_ldt_info->limit);
5468 ldt_info.flags = tswap32(target_ldt_info->flags);
5469 unlock_user_struct(target_ldt_info, ptr, 0);
5470
5471 if (ldt_info.entry_number >= TARGET_LDT_ENTRIES)
5472 return -TARGET_EINVAL;
5473 seg_32bit = ldt_info.flags & 1;
5474 contents = (ldt_info.flags >> 1) & 3;
5475 read_exec_only = (ldt_info.flags >> 3) & 1;
5476 limit_in_pages = (ldt_info.flags >> 4) & 1;
5477 seg_not_present = (ldt_info.flags >> 5) & 1;
5478 useable = (ldt_info.flags >> 6) & 1;
5479#ifdef TARGET_ABI32
5480 lm = 0;
5481#else
5482 lm = (ldt_info.flags >> 7) & 1;
5483#endif
5484 if (contents == 3) {
5485 if (oldmode)
5486 return -TARGET_EINVAL;
5487 if (seg_not_present == 0)
5488 return -TARGET_EINVAL;
5489 }
5490
5491 if (!ldt_table) {
5492 env->ldt.base = target_mmap(0,
5493 TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE,
5494 PROT_READ|PROT_WRITE,
5495 MAP_ANONYMOUS|MAP_PRIVATE, -1, 0);
5496 if (env->ldt.base == -1)
5497 return -TARGET_ENOMEM;
5498 memset(g2h(env->ldt.base), 0,
5499 TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE);
5500 env->ldt.limit = 0xffff;
5501 ldt_table = g2h(env->ldt.base);
5502 }
5503
5504
5505
5506 if (ldt_info.base_addr == 0 && ldt_info.limit == 0) {
5507 if (oldmode ||
5508 (contents == 0 &&
5509 read_exec_only == 1 &&
5510 seg_32bit == 0 &&
5511 limit_in_pages == 0 &&
5512 seg_not_present == 1 &&
5513 useable == 0 )) {
5514 entry_1 = 0;
5515 entry_2 = 0;
5516 goto install;
5517 }
5518 }
5519
5520 entry_1 = ((ldt_info.base_addr & 0x0000ffff) << 16) |
5521 (ldt_info.limit & 0x0ffff);
5522 entry_2 = (ldt_info.base_addr & 0xff000000) |
5523 ((ldt_info.base_addr & 0x00ff0000) >> 16) |
5524 (ldt_info.limit & 0xf0000) |
5525 ((read_exec_only ^ 1) << 9) |
5526 (contents << 10) |
5527 ((seg_not_present ^ 1) << 15) |
5528 (seg_32bit << 22) |
5529 (limit_in_pages << 23) |
5530 (lm << 21) |
5531 0x7000;
5532 if (!oldmode)
5533 entry_2 |= (useable << 20);
5534
5535
5536install:
5537 lp = (uint32_t *)(ldt_table + (ldt_info.entry_number << 3));
5538 lp[0] = tswap32(entry_1);
5539 lp[1] = tswap32(entry_2);
5540 return 0;
5541}
5542
5543
5544static abi_long do_modify_ldt(CPUX86State *env, int func, abi_ulong ptr,
5545 unsigned long bytecount)
5546{
5547 abi_long ret;
5548
5549 switch (func) {
5550 case 0:
5551 ret = read_ldt(ptr, bytecount);
5552 break;
5553 case 1:
5554 ret = write_ldt(env, ptr, bytecount, 1);
5555 break;
5556 case 0x11:
5557 ret = write_ldt(env, ptr, bytecount, 0);
5558 break;
5559 default:
5560 ret = -TARGET_ENOSYS;
5561 break;
5562 }
5563 return ret;
5564}
5565
5566#if defined(TARGET_I386) && defined(TARGET_ABI32)
5567abi_long do_set_thread_area(CPUX86State *env, abi_ulong ptr)
5568{
5569 uint64_t *gdt_table = g2h(env->gdt.base);
5570 struct target_modify_ldt_ldt_s ldt_info;
5571 struct target_modify_ldt_ldt_s *target_ldt_info;
5572 int seg_32bit, contents, read_exec_only, limit_in_pages;
5573 int seg_not_present, useable, lm;
5574 uint32_t *lp, entry_1, entry_2;
5575 int i;
5576
5577 lock_user_struct(VERIFY_WRITE, target_ldt_info, ptr, 1);
5578 if (!target_ldt_info)
5579 return -TARGET_EFAULT;
5580 ldt_info.entry_number = tswap32(target_ldt_info->entry_number);
5581 ldt_info.base_addr = tswapal(target_ldt_info->base_addr);
5582 ldt_info.limit = tswap32(target_ldt_info->limit);
5583 ldt_info.flags = tswap32(target_ldt_info->flags);
5584 if (ldt_info.entry_number == -1) {
5585 for (i=TARGET_GDT_ENTRY_TLS_MIN; i<=TARGET_GDT_ENTRY_TLS_MAX; i++) {
5586 if (gdt_table[i] == 0) {
5587 ldt_info.entry_number = i;
5588 target_ldt_info->entry_number = tswap32(i);
5589 break;
5590 }
5591 }
5592 }
5593 unlock_user_struct(target_ldt_info, ptr, 1);
5594
5595 if (ldt_info.entry_number < TARGET_GDT_ENTRY_TLS_MIN ||
5596 ldt_info.entry_number > TARGET_GDT_ENTRY_TLS_MAX)
5597 return -TARGET_EINVAL;
5598 seg_32bit = ldt_info.flags & 1;
5599 contents = (ldt_info.flags >> 1) & 3;
5600 read_exec_only = (ldt_info.flags >> 3) & 1;
5601 limit_in_pages = (ldt_info.flags >> 4) & 1;
5602 seg_not_present = (ldt_info.flags >> 5) & 1;
5603 useable = (ldt_info.flags >> 6) & 1;
5604#ifdef TARGET_ABI32
5605 lm = 0;
5606#else
5607 lm = (ldt_info.flags >> 7) & 1;
5608#endif
5609
5610 if (contents == 3) {
5611 if (seg_not_present == 0)
5612 return -TARGET_EINVAL;
5613 }
5614
5615
5616
5617 if (ldt_info.base_addr == 0 && ldt_info.limit == 0) {
5618 if ((contents == 0 &&
5619 read_exec_only == 1 &&
5620 seg_32bit == 0 &&
5621 limit_in_pages == 0 &&
5622 seg_not_present == 1 &&
5623 useable == 0 )) {
5624 entry_1 = 0;
5625 entry_2 = 0;
5626 goto install;
5627 }
5628 }
5629
5630 entry_1 = ((ldt_info.base_addr & 0x0000ffff) << 16) |
5631 (ldt_info.limit & 0x0ffff);
5632 entry_2 = (ldt_info.base_addr & 0xff000000) |
5633 ((ldt_info.base_addr & 0x00ff0000) >> 16) |
5634 (ldt_info.limit & 0xf0000) |
5635 ((read_exec_only ^ 1) << 9) |
5636 (contents << 10) |
5637 ((seg_not_present ^ 1) << 15) |
5638 (seg_32bit << 22) |
5639 (limit_in_pages << 23) |
5640 (useable << 20) |
5641 (lm << 21) |
5642 0x7000;
5643
5644
5645install:
5646 lp = (uint32_t *)(gdt_table + ldt_info.entry_number);
5647 lp[0] = tswap32(entry_1);
5648 lp[1] = tswap32(entry_2);
5649 return 0;
5650}
5651
5652static abi_long do_get_thread_area(CPUX86State *env, abi_ulong ptr)
5653{
5654 struct target_modify_ldt_ldt_s *target_ldt_info;
5655 uint64_t *gdt_table = g2h(env->gdt.base);
5656 uint32_t base_addr, limit, flags;
5657 int seg_32bit, contents, read_exec_only, limit_in_pages, idx;
5658 int seg_not_present, useable, lm;
5659 uint32_t *lp, entry_1, entry_2;
5660
5661 lock_user_struct(VERIFY_WRITE, target_ldt_info, ptr, 1);
5662 if (!target_ldt_info)
5663 return -TARGET_EFAULT;
5664 idx = tswap32(target_ldt_info->entry_number);
5665 if (idx < TARGET_GDT_ENTRY_TLS_MIN ||
5666 idx > TARGET_GDT_ENTRY_TLS_MAX) {
5667 unlock_user_struct(target_ldt_info, ptr, 1);
5668 return -TARGET_EINVAL;
5669 }
5670 lp = (uint32_t *)(gdt_table + idx);
5671 entry_1 = tswap32(lp[0]);
5672 entry_2 = tswap32(lp[1]);
5673
5674 read_exec_only = ((entry_2 >> 9) & 1) ^ 1;
5675 contents = (entry_2 >> 10) & 3;
5676 seg_not_present = ((entry_2 >> 15) & 1) ^ 1;
5677 seg_32bit = (entry_2 >> 22) & 1;
5678 limit_in_pages = (entry_2 >> 23) & 1;
5679 useable = (entry_2 >> 20) & 1;
5680#ifdef TARGET_ABI32
5681 lm = 0;
5682#else
5683 lm = (entry_2 >> 21) & 1;
5684#endif
5685 flags = (seg_32bit << 0) | (contents << 1) |
5686 (read_exec_only << 3) | (limit_in_pages << 4) |
5687 (seg_not_present << 5) | (useable << 6) | (lm << 7);
5688 limit = (entry_1 & 0xffff) | (entry_2 & 0xf0000);
5689 base_addr = (entry_1 >> 16) |
5690 (entry_2 & 0xff000000) |
5691 ((entry_2 & 0xff) << 16);
5692 target_ldt_info->base_addr = tswapal(base_addr);
5693 target_ldt_info->limit = tswap32(limit);
5694 target_ldt_info->flags = tswap32(flags);
5695 unlock_user_struct(target_ldt_info, ptr, 1);
5696 return 0;
5697}
5698#endif
5699
5700#ifndef TARGET_ABI32
5701abi_long do_arch_prctl(CPUX86State *env, int code, abi_ulong addr)
5702{
5703 abi_long ret = 0;
5704 abi_ulong val;
5705 int idx;
5706
5707 switch(code) {
5708 case TARGET_ARCH_SET_GS:
5709 case TARGET_ARCH_SET_FS:
5710 if (code == TARGET_ARCH_SET_GS)
5711 idx = R_GS;
5712 else
5713 idx = R_FS;
5714 cpu_x86_load_seg(env, idx, 0);
5715 env->segs[idx].base = addr;
5716 break;
5717 case TARGET_ARCH_GET_GS:
5718 case TARGET_ARCH_GET_FS:
5719 if (code == TARGET_ARCH_GET_GS)
5720 idx = R_GS;
5721 else
5722 idx = R_FS;
5723 val = env->segs[idx].base;
5724 if (put_user(val, addr, abi_ulong))
5725 ret = -TARGET_EFAULT;
5726 break;
5727 default:
5728 ret = -TARGET_EINVAL;
5729 break;
5730 }
5731 return ret;
5732}
5733#endif
5734
5735#endif
5736
5737#define NEW_STACK_SIZE 0x40000
5738
5739
5740static pthread_mutex_t clone_lock = PTHREAD_MUTEX_INITIALIZER;
5741typedef struct {
5742 CPUArchState *env;
5743 pthread_mutex_t mutex;
5744 pthread_cond_t cond;
5745 pthread_t thread;
5746 uint32_t tid;
5747 abi_ulong child_tidptr;
5748 abi_ulong parent_tidptr;
5749 sigset_t sigmask;
5750} new_thread_info;
5751
5752static void *clone_func(void *arg)
5753{
5754 new_thread_info *info = arg;
5755 CPUArchState *env;
5756 CPUState *cpu;
5757 TaskState *ts;
5758
5759 rcu_register_thread();
5760 tcg_register_thread();
5761 env = info->env;
5762 cpu = env_cpu(env);
5763 thread_cpu = cpu;
5764 ts = (TaskState *)cpu->opaque;
5765 info->tid = sys_gettid();
5766 task_settid(ts);
5767 if (info->child_tidptr)
5768 put_user_u32(info->tid, info->child_tidptr);
5769 if (info->parent_tidptr)
5770 put_user_u32(info->tid, info->parent_tidptr);
5771 qemu_guest_random_seed_thread_part2(cpu->random_seed);
5772
5773 sigprocmask(SIG_SETMASK, &info->sigmask, NULL);
5774
5775 pthread_mutex_lock(&info->mutex);
5776 pthread_cond_broadcast(&info->cond);
5777 pthread_mutex_unlock(&info->mutex);
5778
5779 pthread_mutex_lock(&clone_lock);
5780 pthread_mutex_unlock(&clone_lock);
5781 cpu_loop(env);
5782
5783 return NULL;
5784}
5785
5786
5787
5788static int do_fork(CPUArchState *env, unsigned int flags, abi_ulong newsp,
5789 abi_ulong parent_tidptr, target_ulong newtls,
5790 abi_ulong child_tidptr)
5791{
5792 CPUState *cpu = env_cpu(env);
5793 int ret;
5794 TaskState *ts;
5795 CPUState *new_cpu;
5796 CPUArchState *new_env;
5797 sigset_t sigmask;
5798
5799 flags &= ~CLONE_IGNORED_FLAGS;
5800
5801
5802 if (flags & CLONE_VFORK)
5803 flags &= ~(CLONE_VFORK | CLONE_VM);
5804
5805 if (flags & CLONE_VM) {
5806 TaskState *parent_ts = (TaskState *)cpu->opaque;
5807 new_thread_info info;
5808 pthread_attr_t attr;
5809
5810 if (((flags & CLONE_THREAD_FLAGS) != CLONE_THREAD_FLAGS) ||
5811 (flags & CLONE_INVALID_THREAD_FLAGS)) {
5812 return -TARGET_EINVAL;
5813 }
5814
5815 ts = g_new0(TaskState, 1);
5816 init_task_state(ts);
5817
5818
5819 pthread_mutex_lock(&clone_lock);
5820
5821
5822 new_env = cpu_copy(env);
5823
5824 cpu_clone_regs_child(new_env, newsp, flags);
5825 cpu_clone_regs_parent(env, flags);
5826 new_cpu = env_cpu(new_env);
5827 new_cpu->opaque = ts;
5828 ts->bprm = parent_ts->bprm;
5829 ts->info = parent_ts->info;
5830 ts->signal_mask = parent_ts->signal_mask;
5831
5832 if (flags & CLONE_CHILD_CLEARTID) {
5833 ts->child_tidptr = child_tidptr;
5834 }
5835
5836 if (flags & CLONE_SETTLS) {
5837 cpu_set_tls (new_env, newtls);
5838 }
5839
5840 memset(&info, 0, sizeof(info));
5841 pthread_mutex_init(&info.mutex, NULL);
5842 pthread_mutex_lock(&info.mutex);
5843 pthread_cond_init(&info.cond, NULL);
5844 info.env = new_env;
5845 if (flags & CLONE_CHILD_SETTID) {
5846 info.child_tidptr = child_tidptr;
5847 }
5848 if (flags & CLONE_PARENT_SETTID) {
5849 info.parent_tidptr = parent_tidptr;
5850 }
5851
5852 ret = pthread_attr_init(&attr);
5853 ret = pthread_attr_setstacksize(&attr, NEW_STACK_SIZE);
5854 ret = pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED);
5855
5856
5857 sigfillset(&sigmask);
5858 sigprocmask(SIG_BLOCK, &sigmask, &info.sigmask);
5859 cpu->random_seed = qemu_guest_random_seed_thread_part1();
5860
5861
5862
5863
5864 if (!parallel_cpus) {
5865 parallel_cpus = true;
5866 tb_flush(cpu);
5867 }
5868
5869 ret = pthread_create(&info.thread, &attr, clone_func, &info);
5870
5871
5872 sigprocmask(SIG_SETMASK, &info.sigmask, NULL);
5873 pthread_attr_destroy(&attr);
5874 if (ret == 0) {
5875
5876 pthread_cond_wait(&info.cond, &info.mutex);
5877 ret = info.tid;
5878 } else {
5879 ret = -1;
5880 }
5881 pthread_mutex_unlock(&info.mutex);
5882 pthread_cond_destroy(&info.cond);
5883 pthread_mutex_destroy(&info.mutex);
5884 pthread_mutex_unlock(&clone_lock);
5885 } else {
5886
5887 if (flags & CLONE_INVALID_FORK_FLAGS) {
5888 return -TARGET_EINVAL;
5889 }
5890
5891
5892 if ((flags & CSIGNAL) != TARGET_SIGCHLD) {
5893 return -TARGET_EINVAL;
5894 }
5895
5896 if (block_signals()) {
5897 return -TARGET_ERESTARTSYS;
5898 }
5899
5900 fork_start();
5901 ret = fork();
5902 if (ret == 0) {
5903
5904 cpu_clone_regs_child(env, newsp, flags);
5905 fork_end(1);
5906
5907
5908
5909
5910
5911
5912 if (flags & CLONE_CHILD_SETTID)
5913 put_user_u32(sys_gettid(), child_tidptr);
5914 if (flags & CLONE_PARENT_SETTID)
5915 put_user_u32(sys_gettid(), parent_tidptr);
5916 ts = (TaskState *)cpu->opaque;
5917 if (flags & CLONE_SETTLS)
5918 cpu_set_tls (env, newtls);
5919 if (flags & CLONE_CHILD_CLEARTID)
5920 ts->child_tidptr = child_tidptr;
5921 } else {
5922 cpu_clone_regs_parent(env, flags);
5923 fork_end(0);
5924 }
5925 }
5926 return ret;
5927}
5928
5929
5930static int target_to_host_fcntl_cmd(int cmd)
5931{
5932 int ret;
5933
5934 switch(cmd) {
5935 case TARGET_F_DUPFD:
5936 case TARGET_F_GETFD:
5937 case TARGET_F_SETFD:
5938 case TARGET_F_GETFL:
5939 case TARGET_F_SETFL:
5940 ret = cmd;
5941 break;
5942 case TARGET_F_GETLK:
5943 ret = F_GETLK64;
5944 break;
5945 case TARGET_F_SETLK:
5946 ret = F_SETLK64;
5947 break;
5948 case TARGET_F_SETLKW:
5949 ret = F_SETLKW64;
5950 break;
5951 case TARGET_F_GETOWN:
5952 ret = F_GETOWN;
5953 break;
5954 case TARGET_F_SETOWN:
5955 ret = F_SETOWN;
5956 break;
5957 case TARGET_F_GETSIG:
5958 ret = F_GETSIG;
5959 break;
5960 case TARGET_F_SETSIG:
5961 ret = F_SETSIG;
5962 break;
5963#if TARGET_ABI_BITS == 32
5964 case TARGET_F_GETLK64:
5965 ret = F_GETLK64;
5966 break;
5967 case TARGET_F_SETLK64:
5968 ret = F_SETLK64;
5969 break;
5970 case TARGET_F_SETLKW64:
5971 ret = F_SETLKW64;
5972 break;
5973#endif
5974 case TARGET_F_SETLEASE:
5975 ret = F_SETLEASE;
5976 break;
5977 case TARGET_F_GETLEASE:
5978 ret = F_GETLEASE;
5979 break;
5980#ifdef F_DUPFD_CLOEXEC
5981 case TARGET_F_DUPFD_CLOEXEC:
5982 ret = F_DUPFD_CLOEXEC;
5983 break;
5984#endif
5985 case TARGET_F_NOTIFY:
5986 ret = F_NOTIFY;
5987 break;
5988#ifdef F_GETOWN_EX
5989 case TARGET_F_GETOWN_EX:
5990 ret = F_GETOWN_EX;
5991 break;
5992#endif
5993#ifdef F_SETOWN_EX
5994 case TARGET_F_SETOWN_EX:
5995 ret = F_SETOWN_EX;
5996 break;
5997#endif
5998#ifdef F_SETPIPE_SZ
5999 case TARGET_F_SETPIPE_SZ:
6000 ret = F_SETPIPE_SZ;
6001 break;
6002 case TARGET_F_GETPIPE_SZ:
6003 ret = F_GETPIPE_SZ;
6004 break;
6005#endif
6006 default:
6007 ret = -TARGET_EINVAL;
6008 break;
6009 }
6010
6011#if defined(__powerpc64__)
6012
6013
6014
6015
6016
6017 if (ret >= F_GETLK64 && ret <= F_SETLKW64) {
6018 ret -= F_GETLK64 - 5;
6019 }
6020#endif
6021
6022 return ret;
6023}
6024
6025#define FLOCK_TRANSTBL \
6026 switch (type) { \
6027 TRANSTBL_CONVERT(F_RDLCK); \
6028 TRANSTBL_CONVERT(F_WRLCK); \
6029 TRANSTBL_CONVERT(F_UNLCK); \
6030 TRANSTBL_CONVERT(F_EXLCK); \
6031 TRANSTBL_CONVERT(F_SHLCK); \
6032 }
6033
6034static int target_to_host_flock(int type)
6035{
6036#define TRANSTBL_CONVERT(a) case TARGET_##a: return a
6037 FLOCK_TRANSTBL
6038#undef TRANSTBL_CONVERT
6039 return -TARGET_EINVAL;
6040}
6041
6042static int host_to_target_flock(int type)
6043{
6044#define TRANSTBL_CONVERT(a) case a: return TARGET_##a
6045 FLOCK_TRANSTBL
6046#undef TRANSTBL_CONVERT
6047
6048
6049
6050 return type;
6051}
6052
6053static inline abi_long copy_from_user_flock(struct flock64 *fl,
6054 abi_ulong target_flock_addr)
6055{
6056 struct target_flock *target_fl;
6057 int l_type;
6058
6059 if (!lock_user_struct(VERIFY_READ, target_fl, target_flock_addr, 1)) {
6060 return -TARGET_EFAULT;
6061 }
6062
6063 __get_user(l_type, &target_fl->l_type);
6064 l_type = target_to_host_flock(l_type);
6065 if (l_type < 0) {
6066 return l_type;
6067 }
6068 fl->l_type = l_type;
6069 __get_user(fl->l_whence, &target_fl->l_whence);
6070 __get_user(fl->l_start, &target_fl->l_start);
6071 __get_user(fl->l_len, &target_fl->l_len);
6072 __get_user(fl->l_pid, &target_fl->l_pid);
6073 unlock_user_struct(target_fl, target_flock_addr, 0);
6074 return 0;
6075}
6076
6077static inline abi_long copy_to_user_flock(abi_ulong target_flock_addr,
6078 const struct flock64 *fl)
6079{
6080 struct target_flock *target_fl;
6081 short l_type;
6082
6083 if (!lock_user_struct(VERIFY_WRITE, target_fl, target_flock_addr, 0)) {
6084 return -TARGET_EFAULT;
6085 }
6086
6087 l_type = host_to_target_flock(fl->l_type);
6088 __put_user(l_type, &target_fl->l_type);
6089 __put_user(fl->l_whence, &target_fl->l_whence);
6090 __put_user(fl->l_start, &target_fl->l_start);
6091 __put_user(fl->l_len, &target_fl->l_len);
6092 __put_user(fl->l_pid, &target_fl->l_pid);
6093 unlock_user_struct(target_fl, target_flock_addr, 1);
6094 return 0;
6095}
6096
6097typedef abi_long from_flock64_fn(struct flock64 *fl, abi_ulong target_addr);
6098typedef abi_long to_flock64_fn(abi_ulong target_addr, const struct flock64 *fl);
6099
6100#if defined(TARGET_ARM) && TARGET_ABI_BITS == 32
6101static inline abi_long copy_from_user_oabi_flock64(struct flock64 *fl,
6102 abi_ulong target_flock_addr)
6103{
6104 struct target_oabi_flock64 *target_fl;
6105 int l_type;
6106
6107 if (!lock_user_struct(VERIFY_READ, target_fl, target_flock_addr, 1)) {
6108 return -TARGET_EFAULT;
6109 }
6110
6111 __get_user(l_type, &target_fl->l_type);
6112 l_type = target_to_host_flock(l_type);
6113 if (l_type < 0) {
6114 return l_type;
6115 }
6116 fl->l_type = l_type;
6117 __get_user(fl->l_whence, &target_fl->l_whence);
6118 __get_user(fl->l_start, &target_fl->l_start);
6119 __get_user(fl->l_len, &target_fl->l_len);
6120 __get_user(fl->l_pid, &target_fl->l_pid);
6121 unlock_user_struct(target_fl, target_flock_addr, 0);
6122 return 0;
6123}
6124
6125static inline abi_long copy_to_user_oabi_flock64(abi_ulong target_flock_addr,
6126 const struct flock64 *fl)
6127{
6128 struct target_oabi_flock64 *target_fl;
6129 short l_type;
6130
6131 if (!lock_user_struct(VERIFY_WRITE, target_fl, target_flock_addr, 0)) {
6132 return -TARGET_EFAULT;
6133 }
6134
6135 l_type = host_to_target_flock(fl->l_type);
6136 __put_user(l_type, &target_fl->l_type);
6137 __put_user(fl->l_whence, &target_fl->l_whence);
6138 __put_user(fl->l_start, &target_fl->l_start);
6139 __put_user(fl->l_len, &target_fl->l_len);
6140 __put_user(fl->l_pid, &target_fl->l_pid);
6141 unlock_user_struct(target_fl, target_flock_addr, 1);
6142 return 0;
6143}
6144#endif
6145
6146static inline abi_long copy_from_user_flock64(struct flock64 *fl,
6147 abi_ulong target_flock_addr)
6148{
6149 struct target_flock64 *target_fl;
6150 int l_type;
6151
6152 if (!lock_user_struct(VERIFY_READ, target_fl, target_flock_addr, 1)) {
6153 return -TARGET_EFAULT;
6154 }
6155
6156 __get_user(l_type, &target_fl->l_type);
6157 l_type = target_to_host_flock(l_type);
6158 if (l_type < 0) {
6159 return l_type;
6160 }
6161 fl->l_type = l_type;
6162 __get_user(fl->l_whence, &target_fl->l_whence);
6163 __get_user(fl->l_start, &target_fl->l_start);
6164 __get_user(fl->l_len, &target_fl->l_len);
6165 __get_user(fl->l_pid, &target_fl->l_pid);
6166 unlock_user_struct(target_fl, target_flock_addr, 0);
6167 return 0;
6168}
6169
6170static inline abi_long copy_to_user_flock64(abi_ulong target_flock_addr,
6171 const struct flock64 *fl)
6172{
6173 struct target_flock64 *target_fl;
6174 short l_type;
6175
6176 if (!lock_user_struct(VERIFY_WRITE, target_fl, target_flock_addr, 0)) {
6177 return -TARGET_EFAULT;
6178 }
6179
6180 l_type = host_to_target_flock(fl->l_type);
6181 __put_user(l_type, &target_fl->l_type);
6182 __put_user(fl->l_whence, &target_fl->l_whence);
6183 __put_user(fl->l_start, &target_fl->l_start);
6184 __put_user(fl->l_len, &target_fl->l_len);
6185 __put_user(fl->l_pid, &target_fl->l_pid);
6186 unlock_user_struct(target_fl, target_flock_addr, 1);
6187 return 0;
6188}
6189
6190static abi_long do_fcntl(int fd, int cmd, abi_ulong arg)
6191{
6192 struct flock64 fl64;
6193#ifdef F_GETOWN_EX
6194 struct f_owner_ex fox;
6195 struct target_f_owner_ex *target_fox;
6196#endif
6197 abi_long ret;
6198 int host_cmd = target_to_host_fcntl_cmd(cmd);
6199
6200 if (host_cmd == -TARGET_EINVAL)
6201 return host_cmd;
6202
6203 switch(cmd) {
6204 case TARGET_F_GETLK:
6205 ret = copy_from_user_flock(&fl64, arg);
6206 if (ret) {
6207 return ret;
6208 }
6209 ret = get_errno(safe_fcntl(fd, host_cmd, &fl64));
6210 if (ret == 0) {
6211 ret = copy_to_user_flock(arg, &fl64);
6212 }
6213 break;
6214
6215 case TARGET_F_SETLK:
6216 case TARGET_F_SETLKW:
6217 ret = copy_from_user_flock(&fl64, arg);
6218 if (ret) {
6219 return ret;
6220 }
6221 ret = get_errno(safe_fcntl(fd, host_cmd, &fl64));
6222 break;
6223
6224 case TARGET_F_GETLK64:
6225 ret = copy_from_user_flock64(&fl64, arg);
6226 if (ret) {
6227 return ret;
6228 }
6229 ret = get_errno(safe_fcntl(fd, host_cmd, &fl64));
6230 if (ret == 0) {
6231 ret = copy_to_user_flock64(arg, &fl64);
6232 }
6233 break;
6234 case TARGET_F_SETLK64:
6235 case TARGET_F_SETLKW64:
6236 ret = copy_from_user_flock64(&fl64, arg);
6237 if (ret) {
6238 return ret;
6239 }
6240 ret = get_errno(safe_fcntl(fd, host_cmd, &fl64));
6241 break;
6242
6243 case TARGET_F_GETFL:
6244 ret = get_errno(safe_fcntl(fd, host_cmd, arg));
6245 if (ret >= 0) {
6246 ret = host_to_target_bitmask(ret, fcntl_flags_tbl);
6247 }
6248 break;
6249
6250 case TARGET_F_SETFL:
6251 ret = get_errno(safe_fcntl(fd, host_cmd,
6252 target_to_host_bitmask(arg,
6253 fcntl_flags_tbl)));
6254 break;
6255
6256#ifdef F_GETOWN_EX
6257 case TARGET_F_GETOWN_EX:
6258 ret = get_errno(safe_fcntl(fd, host_cmd, &fox));
6259 if (ret >= 0) {
6260 if (!lock_user_struct(VERIFY_WRITE, target_fox, arg, 0))
6261 return -TARGET_EFAULT;
6262 target_fox->type = tswap32(fox.type);
6263 target_fox->pid = tswap32(fox.pid);
6264 unlock_user_struct(target_fox, arg, 1);
6265 }
6266 break;
6267#endif
6268
6269#ifdef F_SETOWN_EX
6270 case TARGET_F_SETOWN_EX:
6271 if (!lock_user_struct(VERIFY_READ, target_fox, arg, 1))
6272 return -TARGET_EFAULT;
6273 fox.type = tswap32(target_fox->type);
6274 fox.pid = tswap32(target_fox->pid);
6275 unlock_user_struct(target_fox, arg, 0);
6276 ret = get_errno(safe_fcntl(fd, host_cmd, &fox));
6277 break;
6278#endif
6279
6280 case TARGET_F_SETOWN:
6281 case TARGET_F_GETOWN:
6282 case TARGET_F_SETSIG:
6283 case TARGET_F_GETSIG:
6284 case TARGET_F_SETLEASE:
6285 case TARGET_F_GETLEASE:
6286 case TARGET_F_SETPIPE_SZ:
6287 case TARGET_F_GETPIPE_SZ:
6288 ret = get_errno(safe_fcntl(fd, host_cmd, arg));
6289 break;
6290
6291 default:
6292 ret = get_errno(safe_fcntl(fd, cmd, arg));
6293 break;
6294 }
6295 return ret;
6296}
6297
6298#ifdef USE_UID16
6299
6300static inline int high2lowuid(int uid)
6301{
6302 if (uid > 65535)
6303 return 65534;
6304 else
6305 return uid;
6306}
6307
6308static inline int high2lowgid(int gid)
6309{
6310 if (gid > 65535)
6311 return 65534;
6312 else
6313 return gid;
6314}
6315
6316static inline int low2highuid(int uid)
6317{
6318 if ((int16_t)uid == -1)
6319 return -1;
6320 else
6321 return uid;
6322}
6323
6324static inline int low2highgid(int gid)
6325{
6326 if ((int16_t)gid == -1)
6327 return -1;
6328 else
6329 return gid;
6330}
6331static inline int tswapid(int id)
6332{
6333 return tswap16(id);
6334}
6335
6336#define put_user_id(x, gaddr) put_user_u16(x, gaddr)
6337
6338#else
6339static inline int high2lowuid(int uid)
6340{
6341 return uid;
6342}
6343static inline int high2lowgid(int gid)
6344{
6345 return gid;
6346}
6347static inline int low2highuid(int uid)
6348{
6349 return uid;
6350}
6351static inline int low2highgid(int gid)
6352{
6353 return gid;
6354}
6355static inline int tswapid(int id)
6356{
6357 return tswap32(id);
6358}
6359
6360#define put_user_id(x, gaddr) put_user_u32(x, gaddr)
6361
6362#endif
6363
6364
6365
6366
6367
6368
6369
6370
6371
6372#ifdef __NR_setuid32
6373#define __NR_sys_setuid __NR_setuid32
6374#else
6375#define __NR_sys_setuid __NR_setuid
6376#endif
6377#ifdef __NR_setgid32
6378#define __NR_sys_setgid __NR_setgid32
6379#else
6380#define __NR_sys_setgid __NR_setgid
6381#endif
6382#ifdef __NR_setresuid32
6383#define __NR_sys_setresuid __NR_setresuid32
6384#else
6385#define __NR_sys_setresuid __NR_setresuid
6386#endif
6387#ifdef __NR_setresgid32
6388#define __NR_sys_setresgid __NR_setresgid32
6389#else
6390#define __NR_sys_setresgid __NR_setresgid
6391#endif
6392
6393_syscall1(int, sys_setuid, uid_t, uid)
6394_syscall1(int, sys_setgid, gid_t, gid)
6395_syscall3(int, sys_setresuid, uid_t, ruid, uid_t, euid, uid_t, suid)
6396_syscall3(int, sys_setresgid, gid_t, rgid, gid_t, egid, gid_t, sgid)
6397
6398void syscall_init(void)
6399{
6400 IOCTLEntry *ie;
6401 const argtype *arg_type;
6402 int size;
6403 int i;
6404
6405 thunk_init(STRUCT_MAX);
6406
6407#define STRUCT(name, ...) thunk_register_struct(STRUCT_ ## name, #name, struct_ ## name ## _def);
6408#define STRUCT_SPECIAL(name) thunk_register_struct_direct(STRUCT_ ## name, #name, &struct_ ## name ## _def);
6409#include "syscall_types.h"
6410#undef STRUCT
6411#undef STRUCT_SPECIAL
6412
6413
6414
6415 for (i = 0; i < ERRNO_TABLE_SIZE; i++) {
6416 target_to_host_errno_table[host_to_target_errno_table[i]] = i;
6417 }
6418
6419
6420
6421 ie = ioctl_entries;
6422 while (ie->target_cmd != 0) {
6423 if (((ie->target_cmd >> TARGET_IOC_SIZESHIFT) & TARGET_IOC_SIZEMASK) ==
6424 TARGET_IOC_SIZEMASK) {
6425 arg_type = ie->arg_type;
6426 if (arg_type[0] != TYPE_PTR) {
6427 fprintf(stderr, "cannot patch size for ioctl 0x%x\n",
6428 ie->target_cmd);
6429 exit(1);
6430 }
6431 arg_type++;
6432 size = thunk_type_size(arg_type, 0);
6433 ie->target_cmd = (ie->target_cmd &
6434 ~(TARGET_IOC_SIZEMASK << TARGET_IOC_SIZESHIFT)) |
6435 (size << TARGET_IOC_SIZESHIFT);
6436 }
6437
6438
6439#if (defined(__i386__) && defined(TARGET_I386) && defined(TARGET_ABI32)) || \
6440 (defined(__x86_64__) && defined(TARGET_X86_64))
6441 if (unlikely(ie->target_cmd != ie->host_cmd)) {
6442 fprintf(stderr, "ERROR: ioctl(%s): target=0x%x host=0x%x\n",
6443 ie->name, ie->target_cmd, ie->host_cmd);
6444 }
6445#endif
6446 ie++;
6447 }
6448}
6449
6450#if TARGET_ABI_BITS == 32
6451static inline uint64_t target_offset64(uint32_t word0, uint32_t word1)
6452{
6453#ifdef TARGET_WORDS_BIGENDIAN
6454 return ((uint64_t)word0 << 32) | word1;
6455#else
6456 return ((uint64_t)word1 << 32) | word0;
6457#endif
6458}
6459#else
6460static inline uint64_t target_offset64(uint64_t word0, uint64_t word1)
6461{
6462 return word0;
6463}
6464#endif
6465
6466#ifdef TARGET_NR_truncate64
6467static inline abi_long target_truncate64(void *cpu_env, const char *arg1,
6468 abi_long arg2,
6469 abi_long arg3,
6470 abi_long arg4)
6471{
6472 if (regpairs_aligned(cpu_env, TARGET_NR_truncate64)) {
6473 arg2 = arg3;
6474 arg3 = arg4;
6475 }
6476 return get_errno(truncate64(arg1, target_offset64(arg2, arg3)));
6477}
6478#endif
6479
6480#ifdef TARGET_NR_ftruncate64
6481static inline abi_long target_ftruncate64(void *cpu_env, abi_long arg1,
6482 abi_long arg2,
6483 abi_long arg3,
6484 abi_long arg4)
6485{
6486 if (regpairs_aligned(cpu_env, TARGET_NR_ftruncate64)) {
6487 arg2 = arg3;
6488 arg3 = arg4;
6489 }
6490 return get_errno(ftruncate64(arg1, target_offset64(arg2, arg3)));
6491}
6492#endif
6493
6494static inline abi_long target_to_host_itimerspec(struct itimerspec *host_itspec,
6495 abi_ulong target_addr)
6496{
6497 struct target_itimerspec *target_itspec;
6498
6499 if (!lock_user_struct(VERIFY_READ, target_itspec, target_addr, 1)) {
6500 return -TARGET_EFAULT;
6501 }
6502
6503 host_itspec->it_interval.tv_sec =
6504 tswapal(target_itspec->it_interval.tv_sec);
6505 host_itspec->it_interval.tv_nsec =
6506 tswapal(target_itspec->it_interval.tv_nsec);
6507 host_itspec->it_value.tv_sec = tswapal(target_itspec->it_value.tv_sec);
6508 host_itspec->it_value.tv_nsec = tswapal(target_itspec->it_value.tv_nsec);
6509
6510 unlock_user_struct(target_itspec, target_addr, 1);
6511 return 0;
6512}
6513
6514static inline abi_long host_to_target_itimerspec(abi_ulong target_addr,
6515 struct itimerspec *host_its)
6516{
6517 struct target_itimerspec *target_itspec;
6518
6519 if (!lock_user_struct(VERIFY_WRITE, target_itspec, target_addr, 0)) {
6520 return -TARGET_EFAULT;
6521 }
6522
6523 target_itspec->it_interval.tv_sec = tswapal(host_its->it_interval.tv_sec);
6524 target_itspec->it_interval.tv_nsec = tswapal(host_its->it_interval.tv_nsec);
6525
6526 target_itspec->it_value.tv_sec = tswapal(host_its->it_value.tv_sec);
6527 target_itspec->it_value.tv_nsec = tswapal(host_its->it_value.tv_nsec);
6528
6529 unlock_user_struct(target_itspec, target_addr, 0);
6530 return 0;
6531}
6532
6533static inline abi_long target_to_host_timex(struct timex *host_tx,
6534 abi_long target_addr)
6535{
6536 struct target_timex *target_tx;
6537
6538 if (!lock_user_struct(VERIFY_READ, target_tx, target_addr, 1)) {
6539 return -TARGET_EFAULT;
6540 }
6541
6542 __get_user(host_tx->modes, &target_tx->modes);
6543 __get_user(host_tx->offset, &target_tx->offset);
6544 __get_user(host_tx->freq, &target_tx->freq);
6545 __get_user(host_tx->maxerror, &target_tx->maxerror);
6546 __get_user(host_tx->esterror, &target_tx->esterror);
6547 __get_user(host_tx->status, &target_tx->status);
6548 __get_user(host_tx->constant, &target_tx->constant);
6549 __get_user(host_tx->precision, &target_tx->precision);
6550 __get_user(host_tx->tolerance, &target_tx->tolerance);
6551 __get_user(host_tx->time.tv_sec, &target_tx->time.tv_sec);
6552 __get_user(host_tx->time.tv_usec, &target_tx->time.tv_usec);
6553 __get_user(host_tx->tick, &target_tx->tick);
6554 __get_user(host_tx->ppsfreq, &target_tx->ppsfreq);
6555 __get_user(host_tx->jitter, &target_tx->jitter);
6556 __get_user(host_tx->shift, &target_tx->shift);
6557 __get_user(host_tx->stabil, &target_tx->stabil);
6558 __get_user(host_tx->jitcnt, &target_tx->jitcnt);
6559 __get_user(host_tx->calcnt, &target_tx->calcnt);
6560 __get_user(host_tx->errcnt, &target_tx->errcnt);
6561 __get_user(host_tx->stbcnt, &target_tx->stbcnt);
6562 __get_user(host_tx->tai, &target_tx->tai);
6563
6564 unlock_user_struct(target_tx, target_addr, 0);
6565 return 0;
6566}
6567
6568static inline abi_long host_to_target_timex(abi_long target_addr,
6569 struct timex *host_tx)
6570{
6571 struct target_timex *target_tx;
6572
6573 if (!lock_user_struct(VERIFY_WRITE, target_tx, target_addr, 0)) {
6574 return -TARGET_EFAULT;
6575 }
6576
6577 __put_user(host_tx->modes, &target_tx->modes);
6578 __put_user(host_tx->offset, &target_tx->offset);
6579 __put_user(host_tx->freq, &target_tx->freq);
6580 __put_user(host_tx->maxerror, &target_tx->maxerror);
6581 __put_user(host_tx->esterror, &target_tx->esterror);
6582 __put_user(host_tx->status, &target_tx->status);
6583 __put_user(host_tx->constant, &target_tx->constant);
6584 __put_user(host_tx->precision, &target_tx->precision);
6585 __put_user(host_tx->tolerance, &target_tx->tolerance);
6586 __put_user(host_tx->time.tv_sec, &target_tx->time.tv_sec);
6587 __put_user(host_tx->time.tv_usec, &target_tx->time.tv_usec);
6588 __put_user(host_tx->tick, &target_tx->tick);
6589 __put_user(host_tx->ppsfreq, &target_tx->ppsfreq);
6590 __put_user(host_tx->jitter, &target_tx->jitter);
6591 __put_user(host_tx->shift, &target_tx->shift);
6592 __put_user(host_tx->stabil, &target_tx->stabil);
6593 __put_user(host_tx->jitcnt, &target_tx->jitcnt);
6594 __put_user(host_tx->calcnt, &target_tx->calcnt);
6595 __put_user(host_tx->errcnt, &target_tx->errcnt);
6596 __put_user(host_tx->stbcnt, &target_tx->stbcnt);
6597 __put_user(host_tx->tai, &target_tx->tai);
6598
6599 unlock_user_struct(target_tx, target_addr, 1);
6600 return 0;
6601}
6602
6603
6604static inline abi_long target_to_host_sigevent(struct sigevent *host_sevp,
6605 abi_ulong target_addr)
6606{
6607 struct target_sigevent *target_sevp;
6608
6609 if (!lock_user_struct(VERIFY_READ, target_sevp, target_addr, 1)) {
6610 return -TARGET_EFAULT;
6611 }
6612
6613
6614
6615
6616
6617
6618
6619 host_sevp->sigev_value.sival_ptr =
6620 (void *)(uintptr_t)tswapal(target_sevp->sigev_value.sival_ptr);
6621 host_sevp->sigev_signo =
6622 target_to_host_signal(tswap32(target_sevp->sigev_signo));
6623 host_sevp->sigev_notify = tswap32(target_sevp->sigev_notify);
6624 host_sevp->_sigev_un._tid = tswap32(target_sevp->_sigev_un._tid);
6625
6626 unlock_user_struct(target_sevp, target_addr, 1);
6627 return 0;
6628}
6629
6630#if defined(TARGET_NR_mlockall)
6631static inline int target_to_host_mlockall_arg(int arg)
6632{
6633 int result = 0;
6634
6635 if (arg & TARGET_MLOCKALL_MCL_CURRENT) {
6636 result |= MCL_CURRENT;
6637 }
6638 if (arg & TARGET_MLOCKALL_MCL_FUTURE) {
6639 result |= MCL_FUTURE;
6640 }
6641 return result;
6642}
6643#endif
6644
6645#if (defined(TARGET_NR_stat64) || defined(TARGET_NR_lstat64) || \
6646 defined(TARGET_NR_fstat64) || defined(TARGET_NR_fstatat64) || \
6647 defined(TARGET_NR_newfstatat))
6648static inline abi_long host_to_target_stat64(void *cpu_env,
6649 abi_ulong target_addr,
6650 struct stat *host_st)
6651{
6652#if defined(TARGET_ARM) && defined(TARGET_ABI32)
6653 if (((CPUARMState *)cpu_env)->eabi) {
6654 struct target_eabi_stat64 *target_st;
6655
6656 if (!lock_user_struct(VERIFY_WRITE, target_st, target_addr, 0))
6657 return -TARGET_EFAULT;
6658 memset(target_st, 0, sizeof(struct target_eabi_stat64));
6659 __put_user(host_st->st_dev, &target_st->st_dev);
6660 __put_user(host_st->st_ino, &target_st->st_ino);
6661#ifdef TARGET_STAT64_HAS_BROKEN_ST_INO
6662 __put_user(host_st->st_ino, &target_st->__st_ino);
6663#endif
6664 __put_user(host_st->st_mode, &target_st->st_mode);
6665 __put_user(host_st->st_nlink, &target_st->st_nlink);
6666 __put_user(host_st->st_uid, &target_st->st_uid);
6667 __put_user(host_st->st_gid, &target_st->st_gid);
6668 __put_user(host_st->st_rdev, &target_st->st_rdev);
6669 __put_user(host_st->st_size, &target_st->st_size);
6670 __put_user(host_st->st_blksize, &target_st->st_blksize);
6671 __put_user(host_st->st_blocks, &target_st->st_blocks);
6672 __put_user(host_st->st_atime, &target_st->target_st_atime);
6673 __put_user(host_st->st_mtime, &target_st->target_st_mtime);
6674 __put_user(host_st->st_ctime, &target_st->target_st_ctime);
6675#if _POSIX_C_SOURCE >= 200809L || _XOPEN_SOURCE >= 700
6676 __put_user(host_st->st_atim.tv_nsec, &target_st->target_st_atime_nsec);
6677 __put_user(host_st->st_mtim.tv_nsec, &target_st->target_st_mtime_nsec);
6678 __put_user(host_st->st_ctim.tv_nsec, &target_st->target_st_ctime_nsec);
6679#endif
6680 unlock_user_struct(target_st, target_addr, 1);
6681 } else
6682#endif
6683 {
6684#if defined(TARGET_HAS_STRUCT_STAT64)
6685 struct target_stat64 *target_st;
6686#else
6687 struct target_stat *target_st;
6688#endif
6689
6690 if (!lock_user_struct(VERIFY_WRITE, target_st, target_addr, 0))
6691 return -TARGET_EFAULT;
6692 memset(target_st, 0, sizeof(*target_st));
6693 __put_user(host_st->st_dev, &target_st->st_dev);
6694 __put_user(host_st->st_ino, &target_st->st_ino);
6695#ifdef TARGET_STAT64_HAS_BROKEN_ST_INO
6696 __put_user(host_st->st_ino, &target_st->__st_ino);
6697#endif
6698 __put_user(host_st->st_mode, &target_st->st_mode);
6699 __put_user(host_st->st_nlink, &target_st->st_nlink);
6700 __put_user(host_st->st_uid, &target_st->st_uid);
6701 __put_user(host_st->st_gid, &target_st->st_gid);
6702 __put_user(host_st->st_rdev, &target_st->st_rdev);
6703
6704 __put_user(host_st->st_size, &target_st->st_size);
6705 __put_user(host_st->st_blksize, &target_st->st_blksize);
6706 __put_user(host_st->st_blocks, &target_st->st_blocks);
6707 __put_user(host_st->st_atime, &target_st->target_st_atime);
6708 __put_user(host_st->st_mtime, &target_st->target_st_mtime);
6709 __put_user(host_st->st_ctime, &target_st->target_st_ctime);
6710#if _POSIX_C_SOURCE >= 200809L || _XOPEN_SOURCE >= 700
6711 __put_user(host_st->st_atim.tv_nsec, &target_st->target_st_atime_nsec);
6712 __put_user(host_st->st_mtim.tv_nsec, &target_st->target_st_mtime_nsec);
6713 __put_user(host_st->st_ctim.tv_nsec, &target_st->target_st_ctime_nsec);
6714#endif
6715 unlock_user_struct(target_st, target_addr, 1);
6716 }
6717
6718 return 0;
6719}
6720#endif
6721
6722#if defined(TARGET_NR_statx) && defined(__NR_statx)
6723static inline abi_long host_to_target_statx(struct target_statx *host_stx,
6724 abi_ulong target_addr)
6725{
6726 struct target_statx *target_stx;
6727
6728 if (!lock_user_struct(VERIFY_WRITE, target_stx, target_addr, 0)) {
6729 return -TARGET_EFAULT;
6730 }
6731 memset(target_stx, 0, sizeof(*target_stx));
6732
6733 __put_user(host_stx->stx_mask, &target_stx->stx_mask);
6734 __put_user(host_stx->stx_blksize, &target_stx->stx_blksize);
6735 __put_user(host_stx->stx_attributes, &target_stx->stx_attributes);
6736 __put_user(host_stx->stx_nlink, &target_stx->stx_nlink);
6737 __put_user(host_stx->stx_uid, &target_stx->stx_uid);
6738 __put_user(host_stx->stx_gid, &target_stx->stx_gid);
6739 __put_user(host_stx->stx_mode, &target_stx->stx_mode);
6740 __put_user(host_stx->stx_ino, &target_stx->stx_ino);
6741 __put_user(host_stx->stx_size, &target_stx->stx_size);
6742 __put_user(host_stx->stx_blocks, &target_stx->stx_blocks);
6743 __put_user(host_stx->stx_attributes_mask, &target_stx->stx_attributes_mask);
6744 __put_user(host_stx->stx_atime.tv_sec, &target_stx->stx_atime.tv_sec);
6745 __put_user(host_stx->stx_atime.tv_nsec, &target_stx->stx_atime.tv_nsec);
6746 __put_user(host_stx->stx_btime.tv_sec, &target_stx->stx_btime.tv_sec);
6747 __put_user(host_stx->stx_btime.tv_nsec, &target_stx->stx_btime.tv_nsec);
6748 __put_user(host_stx->stx_ctime.tv_sec, &target_stx->stx_ctime.tv_sec);
6749 __put_user(host_stx->stx_ctime.tv_nsec, &target_stx->stx_ctime.tv_nsec);
6750 __put_user(host_stx->stx_mtime.tv_sec, &target_stx->stx_mtime.tv_sec);
6751 __put_user(host_stx->stx_mtime.tv_nsec, &target_stx->stx_mtime.tv_nsec);
6752 __put_user(host_stx->stx_rdev_major, &target_stx->stx_rdev_major);
6753 __put_user(host_stx->stx_rdev_minor, &target_stx->stx_rdev_minor);
6754 __put_user(host_stx->stx_dev_major, &target_stx->stx_dev_major);
6755 __put_user(host_stx->stx_dev_minor, &target_stx->stx_dev_minor);
6756
6757 unlock_user_struct(target_stx, target_addr, 1);
6758
6759 return 0;
6760}
6761#endif
6762
6763
6764
6765
6766
6767
6768
6769static int do_futex(target_ulong uaddr, int op, int val, target_ulong timeout,
6770 target_ulong uaddr2, int val3)
6771{
6772 struct timespec ts, *pts;
6773 int base_op;
6774
6775
6776
6777#ifdef FUTEX_CMD_MASK
6778 base_op = op & FUTEX_CMD_MASK;
6779#else
6780 base_op = op;
6781#endif
6782 switch (base_op) {
6783 case FUTEX_WAIT:
6784 case FUTEX_WAIT_BITSET:
6785 if (timeout) {
6786 pts = &ts;
6787 target_to_host_timespec(pts, timeout);
6788 } else {
6789 pts = NULL;
6790 }
6791 return get_errno(safe_futex(g2h(uaddr), op, tswap32(val),
6792 pts, NULL, val3));
6793 case FUTEX_WAKE:
6794 return get_errno(safe_futex(g2h(uaddr), op, val, NULL, NULL, 0));
6795 case FUTEX_FD:
6796 return get_errno(safe_futex(g2h(uaddr), op, val, NULL, NULL, 0));
6797 case FUTEX_REQUEUE:
6798 case FUTEX_CMP_REQUEUE:
6799 case FUTEX_WAKE_OP:
6800
6801
6802
6803
6804
6805 pts = (struct timespec *)(uintptr_t) timeout;
6806 return get_errno(safe_futex(g2h(uaddr), op, val, pts,
6807 g2h(uaddr2),
6808 (base_op == FUTEX_CMP_REQUEUE
6809 ? tswap32(val3)
6810 : val3)));
6811 default:
6812 return -TARGET_ENOSYS;
6813 }
6814}
6815#if defined(TARGET_NR_name_to_handle_at) && defined(CONFIG_OPEN_BY_HANDLE)
6816static abi_long do_name_to_handle_at(abi_long dirfd, abi_long pathname,
6817 abi_long handle, abi_long mount_id,
6818 abi_long flags)
6819{
6820 struct file_handle *target_fh;
6821 struct file_handle *fh;
6822 int mid = 0;
6823 abi_long ret;
6824 char *name;
6825 unsigned int size, total_size;
6826
6827 if (get_user_s32(size, handle)) {
6828 return -TARGET_EFAULT;
6829 }
6830
6831 name = lock_user_string(pathname);
6832 if (!name) {
6833 return -TARGET_EFAULT;
6834 }
6835
6836 total_size = sizeof(struct file_handle) + size;
6837 target_fh = lock_user(VERIFY_WRITE, handle, total_size, 0);
6838 if (!target_fh) {
6839 unlock_user(name, pathname, 0);
6840 return -TARGET_EFAULT;
6841 }
6842
6843 fh = g_malloc0(total_size);
6844 fh->handle_bytes = size;
6845
6846 ret = get_errno(name_to_handle_at(dirfd, path(name), fh, &mid, flags));
6847 unlock_user(name, pathname, 0);
6848
6849
6850
6851
6852
6853
6854 memcpy(target_fh, fh, total_size);
6855 target_fh->handle_bytes = tswap32(fh->handle_bytes);
6856 target_fh->handle_type = tswap32(fh->handle_type);
6857 g_free(fh);
6858 unlock_user(target_fh, handle, total_size);
6859
6860 if (put_user_s32(mid, mount_id)) {
6861 return -TARGET_EFAULT;
6862 }
6863
6864 return ret;
6865
6866}
6867#endif
6868
6869#if defined(TARGET_NR_open_by_handle_at) && defined(CONFIG_OPEN_BY_HANDLE)
6870static abi_long do_open_by_handle_at(abi_long mount_fd, abi_long handle,
6871 abi_long flags)
6872{
6873 struct file_handle *target_fh;
6874 struct file_handle *fh;
6875 unsigned int size, total_size;
6876 abi_long ret;
6877
6878 if (get_user_s32(size, handle)) {
6879 return -TARGET_EFAULT;
6880 }
6881
6882 total_size = sizeof(struct file_handle) + size;
6883 target_fh = lock_user(VERIFY_READ, handle, total_size, 1);
6884 if (!target_fh) {
6885 return -TARGET_EFAULT;
6886 }
6887
6888 fh = g_memdup(target_fh, total_size);
6889 fh->handle_bytes = size;
6890 fh->handle_type = tswap32(target_fh->handle_type);
6891
6892 ret = get_errno(open_by_handle_at(mount_fd, fh,
6893 target_to_host_bitmask(flags, fcntl_flags_tbl)));
6894
6895 g_free(fh);
6896
6897 unlock_user(target_fh, handle, total_size);
6898
6899 return ret;
6900}
6901#endif
6902
6903#if defined(TARGET_NR_signalfd) || defined(TARGET_NR_signalfd4)
6904
6905static abi_long do_signalfd4(int fd, abi_long mask, int flags)
6906{
6907 int host_flags;
6908 target_sigset_t *target_mask;
6909 sigset_t host_mask;
6910 abi_long ret;
6911
6912 if (flags & ~(TARGET_O_NONBLOCK | TARGET_O_CLOEXEC)) {
6913 return -TARGET_EINVAL;
6914 }
6915 if (!lock_user_struct(VERIFY_READ, target_mask, mask, 1)) {
6916 return -TARGET_EFAULT;
6917 }
6918
6919 target_to_host_sigset(&host_mask, target_mask);
6920
6921 host_flags = target_to_host_bitmask(flags, fcntl_flags_tbl);
6922
6923 ret = get_errno(signalfd(fd, &host_mask, host_flags));
6924 if (ret >= 0) {
6925 fd_trans_register(ret, &target_signalfd_trans);
6926 }
6927
6928 unlock_user_struct(target_mask, mask, 0);
6929
6930 return ret;
6931}
6932#endif
6933
6934
6935
6936int host_to_target_waitstatus(int status)
6937{
6938 if (WIFSIGNALED(status)) {
6939 return host_to_target_signal(WTERMSIG(status)) | (status & ~0x7f);
6940 }
6941 if (WIFSTOPPED(status)) {
6942 return (host_to_target_signal(WSTOPSIG(status)) << 8)
6943 | (status & 0xff);
6944 }
6945 return status;
6946}
6947
6948static int open_self_cmdline(void *cpu_env, int fd)
6949{
6950 CPUState *cpu = env_cpu((CPUArchState *)cpu_env);
6951 struct linux_binprm *bprm = ((TaskState *)cpu->opaque)->bprm;
6952 int i;
6953
6954 for (i = 0; i < bprm->argc; i++) {
6955 size_t len = strlen(bprm->argv[i]) + 1;
6956
6957 if (write(fd, bprm->argv[i], len) != len) {
6958 return -1;
6959 }
6960 }
6961
6962 return 0;
6963}
6964
6965static int open_self_maps(void *cpu_env, int fd)
6966{
6967 CPUState *cpu = env_cpu((CPUArchState *)cpu_env);
6968 TaskState *ts = cpu->opaque;
6969 FILE *fp;
6970 char *line = NULL;
6971 size_t len = 0;
6972 ssize_t read;
6973
6974 fp = fopen("/proc/self/maps", "r");
6975 if (fp == NULL) {
6976 return -1;
6977 }
6978
6979 while ((read = getline(&line, &len, fp)) != -1) {
6980 int fields, dev_maj, dev_min, inode;
6981 uint64_t min, max, offset;
6982 char flag_r, flag_w, flag_x, flag_p;
6983 char path[512] = "";
6984 fields = sscanf(line, "%"PRIx64"-%"PRIx64" %c%c%c%c %"PRIx64" %x:%x %d"
6985 " %512s", &min, &max, &flag_r, &flag_w, &flag_x,
6986 &flag_p, &offset, &dev_maj, &dev_min, &inode, path);
6987
6988 if ((fields < 10) || (fields > 11)) {
6989 continue;
6990 }
6991 if (h2g_valid(min)) {
6992 int flags = page_get_flags(h2g(min));
6993 max = h2g_valid(max - 1) ? max : (uintptr_t)g2h(GUEST_ADDR_MAX) + 1;
6994 if (page_check_range(h2g(min), max - min, flags) == -1) {
6995 continue;
6996 }
6997 if (h2g(min) == ts->info->stack_limit) {
6998 pstrcpy(path, sizeof(path), " [stack]");
6999 }
7000 dprintf(fd, TARGET_ABI_FMT_ptr "-" TARGET_ABI_FMT_ptr
7001 " %c%c%c%c %08" PRIx64 " %02x:%02x %d %s%s\n",
7002 h2g(min), h2g(max - 1) + 1, flag_r, flag_w,
7003 flag_x, flag_p, offset, dev_maj, dev_min, inode,
7004 path[0] ? " " : "", path);
7005 }
7006 }
7007
7008 free(line);
7009 fclose(fp);
7010
7011 return 0;
7012}
7013
7014static int open_self_stat(void *cpu_env, int fd)
7015{
7016 CPUState *cpu = env_cpu((CPUArchState *)cpu_env);
7017 TaskState *ts = cpu->opaque;
7018 abi_ulong start_stack = ts->info->start_stack;
7019 int i;
7020
7021 for (i = 0; i < 44; i++) {
7022 char buf[128];
7023 int len;
7024 uint64_t val = 0;
7025
7026 if (i == 0) {
7027
7028 val = getpid();
7029 snprintf(buf, sizeof(buf), "%"PRId64 " ", val);
7030 } else if (i == 1) {
7031
7032 snprintf(buf, sizeof(buf), "(%s) ", ts->bprm->argv[0]);
7033 } else if (i == 27) {
7034
7035 val = start_stack;
7036 snprintf(buf, sizeof(buf), "%"PRId64 " ", val);
7037 } else {
7038
7039 snprintf(buf, sizeof(buf), "0%c", i == 43 ? '\n' : ' ');
7040 }
7041
7042 len = strlen(buf);
7043 if (write(fd, buf, len) != len) {
7044 return -1;
7045 }
7046 }
7047
7048 return 0;
7049}
7050
7051static int open_self_auxv(void *cpu_env, int fd)
7052{
7053 CPUState *cpu = env_cpu((CPUArchState *)cpu_env);
7054 TaskState *ts = cpu->opaque;
7055 abi_ulong auxv = ts->info->saved_auxv;
7056 abi_ulong len = ts->info->auxv_len;
7057 char *ptr;
7058
7059
7060
7061
7062
7063 ptr = lock_user(VERIFY_READ, auxv, len, 0);
7064 if (ptr != NULL) {
7065 while (len > 0) {
7066 ssize_t r;
7067 r = write(fd, ptr, len);
7068 if (r <= 0) {
7069 break;
7070 }
7071 len -= r;
7072 ptr += r;
7073 }
7074 lseek(fd, 0, SEEK_SET);
7075 unlock_user(ptr, auxv, len);
7076 }
7077
7078 return 0;
7079}
7080
7081static int is_proc_myself(const char *filename, const char *entry)
7082{
7083 if (!strncmp(filename, "/proc/", strlen("/proc/"))) {
7084 filename += strlen("/proc/");
7085 if (!strncmp(filename, "self/", strlen("self/"))) {
7086 filename += strlen("self/");
7087 } else if (*filename >= '1' && *filename <= '9') {
7088 char myself[80];
7089 snprintf(myself, sizeof(myself), "%d/", getpid());
7090 if (!strncmp(filename, myself, strlen(myself))) {
7091 filename += strlen(myself);
7092 } else {
7093 return 0;
7094 }
7095 } else {
7096 return 0;
7097 }
7098 if (!strcmp(filename, entry)) {
7099 return 1;
7100 }
7101 }
7102 return 0;
7103}
7104
7105#if defined(HOST_WORDS_BIGENDIAN) != defined(TARGET_WORDS_BIGENDIAN) || \
7106 defined(TARGET_SPARC) || defined(TARGET_M68K)
7107static int is_proc(const char *filename, const char *entry)
7108{
7109 return strcmp(filename, entry) == 0;
7110}
7111#endif
7112
7113#if defined(HOST_WORDS_BIGENDIAN) != defined(TARGET_WORDS_BIGENDIAN)
7114static int open_net_route(void *cpu_env, int fd)
7115{
7116 FILE *fp;
7117 char *line = NULL;
7118 size_t len = 0;
7119 ssize_t read;
7120
7121 fp = fopen("/proc/net/route", "r");
7122 if (fp == NULL) {
7123 return -1;
7124 }
7125
7126
7127
7128 read = getline(&line, &len, fp);
7129 dprintf(fd, "%s", line);
7130
7131
7132
7133 while ((read = getline(&line, &len, fp)) != -1) {
7134 char iface[16];
7135 uint32_t dest, gw, mask;
7136 unsigned int flags, refcnt, use, metric, mtu, window, irtt;
7137 int fields;
7138
7139 fields = sscanf(line,
7140 "%s\t%08x\t%08x\t%04x\t%d\t%d\t%d\t%08x\t%d\t%u\t%u\n",
7141 iface, &dest, &gw, &flags, &refcnt, &use, &metric,
7142 &mask, &mtu, &window, &irtt);
7143 if (fields != 11) {
7144 continue;
7145 }
7146 dprintf(fd, "%s\t%08x\t%08x\t%04x\t%d\t%d\t%d\t%08x\t%d\t%u\t%u\n",
7147 iface, tswap32(dest), tswap32(gw), flags, refcnt, use,
7148 metric, tswap32(mask), mtu, window, irtt);
7149 }
7150
7151 free(line);
7152 fclose(fp);
7153
7154 return 0;
7155}
7156#endif
7157
7158#if defined(TARGET_SPARC)
7159static int open_cpuinfo(void *cpu_env, int fd)
7160{
7161 dprintf(fd, "type\t\t: sun4u\n");
7162 return 0;
7163}
7164#endif
7165
7166#if defined(TARGET_M68K)
7167static int open_hardware(void *cpu_env, int fd)
7168{
7169 dprintf(fd, "Model:\t\tqemu-m68k\n");
7170 return 0;
7171}
7172#endif
7173
7174static int do_openat(void *cpu_env, int dirfd, const char *pathname, int flags, mode_t mode)
7175{
7176 struct fake_open {
7177 const char *filename;
7178 int (*fill)(void *cpu_env, int fd);
7179 int (*cmp)(const char *s1, const char *s2);
7180 };
7181 const struct fake_open *fake_open;
7182 static const struct fake_open fakes[] = {
7183 { "maps", open_self_maps, is_proc_myself },
7184 { "stat", open_self_stat, is_proc_myself },
7185 { "auxv", open_self_auxv, is_proc_myself },
7186 { "cmdline", open_self_cmdline, is_proc_myself },
7187#if defined(HOST_WORDS_BIGENDIAN) != defined(TARGET_WORDS_BIGENDIAN)
7188 { "/proc/net/route", open_net_route, is_proc },
7189#endif
7190#if defined(TARGET_SPARC)
7191 { "/proc/cpuinfo", open_cpuinfo, is_proc },
7192#endif
7193#if defined(TARGET_M68K)
7194 { "/proc/hardware", open_hardware, is_proc },
7195#endif
7196 { NULL, NULL, NULL }
7197 };
7198
7199 if (is_proc_myself(pathname, "exe")) {
7200 int execfd = qemu_getauxval(AT_EXECFD);
7201 return execfd ? execfd : safe_openat(dirfd, exec_path, flags, mode);
7202 }
7203
7204 for (fake_open = fakes; fake_open->filename; fake_open++) {
7205 if (fake_open->cmp(pathname, fake_open->filename)) {
7206 break;
7207 }
7208 }
7209
7210 if (fake_open->filename) {
7211 const char *tmpdir;
7212 char filename[PATH_MAX];
7213 int fd, r;
7214
7215
7216 tmpdir = getenv("TMPDIR");
7217 if (!tmpdir)
7218 tmpdir = "/tmp";
7219 snprintf(filename, sizeof(filename), "%s/qemu-open.XXXXXX", tmpdir);
7220 fd = mkstemp(filename);
7221 if (fd < 0) {
7222 return fd;
7223 }
7224 unlink(filename);
7225
7226 if ((r = fake_open->fill(cpu_env, fd))) {
7227 int e = errno;
7228 close(fd);
7229 errno = e;
7230 return r;
7231 }
7232 lseek(fd, 0, SEEK_SET);
7233
7234 return fd;
7235 }
7236
7237 return safe_openat(dirfd, path(pathname), flags, mode);
7238}
7239
7240#define TIMER_MAGIC 0x0caf0000
7241#define TIMER_MAGIC_MASK 0xffff0000
7242
7243
7244static target_timer_t get_timer_id(abi_long arg)
7245{
7246 target_timer_t timerid = arg;
7247
7248 if ((timerid & TIMER_MAGIC_MASK) != TIMER_MAGIC) {
7249 return -TARGET_EINVAL;
7250 }
7251
7252 timerid &= 0xffff;
7253
7254 if (timerid >= ARRAY_SIZE(g_posix_timers)) {
7255 return -TARGET_EINVAL;
7256 }
7257
7258 return timerid;
7259}
7260
7261static int target_to_host_cpu_mask(unsigned long *host_mask,
7262 size_t host_size,
7263 abi_ulong target_addr,
7264 size_t target_size)
7265{
7266 unsigned target_bits = sizeof(abi_ulong) * 8;
7267 unsigned host_bits = sizeof(*host_mask) * 8;
7268 abi_ulong *target_mask;
7269 unsigned i, j;
7270
7271 assert(host_size >= target_size);
7272
7273 target_mask = lock_user(VERIFY_READ, target_addr, target_size, 1);
7274 if (!target_mask) {
7275 return -TARGET_EFAULT;
7276 }
7277 memset(host_mask, 0, host_size);
7278
7279 for (i = 0 ; i < target_size / sizeof(abi_ulong); i++) {
7280 unsigned bit = i * target_bits;
7281 abi_ulong val;
7282
7283 __get_user(val, &target_mask[i]);
7284 for (j = 0; j < target_bits; j++, bit++) {
7285 if (val & (1UL << j)) {
7286 host_mask[bit / host_bits] |= 1UL << (bit % host_bits);
7287 }
7288 }
7289 }
7290
7291 unlock_user(target_mask, target_addr, 0);
7292 return 0;
7293}
7294
7295static int host_to_target_cpu_mask(const unsigned long *host_mask,
7296 size_t host_size,
7297 abi_ulong target_addr,
7298 size_t target_size)
7299{
7300 unsigned target_bits = sizeof(abi_ulong) * 8;
7301 unsigned host_bits = sizeof(*host_mask) * 8;
7302 abi_ulong *target_mask;
7303 unsigned i, j;
7304
7305 assert(host_size >= target_size);
7306
7307 target_mask = lock_user(VERIFY_WRITE, target_addr, target_size, 0);
7308 if (!target_mask) {
7309 return -TARGET_EFAULT;
7310 }
7311
7312 for (i = 0 ; i < target_size / sizeof(abi_ulong); i++) {
7313 unsigned bit = i * target_bits;
7314 abi_ulong val = 0;
7315
7316 for (j = 0; j < target_bits; j++, bit++) {
7317 if (host_mask[bit / host_bits] & (1UL << (bit % host_bits))) {
7318 val |= 1UL << j;
7319 }
7320 }
7321 __put_user(val, &target_mask[i]);
7322 }
7323
7324 unlock_user(target_mask, target_addr, target_size);
7325 return 0;
7326}
7327
7328
7329
7330
7331
7332
7333static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1,
7334 abi_long arg2, abi_long arg3, abi_long arg4,
7335 abi_long arg5, abi_long arg6, abi_long arg7,
7336 abi_long arg8)
7337{
7338 CPUState *cpu = env_cpu(cpu_env);
7339 abi_long ret;
7340#if defined(TARGET_NR_stat) || defined(TARGET_NR_stat64) \
7341 || defined(TARGET_NR_lstat) || defined(TARGET_NR_lstat64) \
7342 || defined(TARGET_NR_fstat) || defined(TARGET_NR_fstat64) \
7343 || defined(TARGET_NR_statx)
7344 struct stat st;
7345#endif
7346#if defined(TARGET_NR_statfs) || defined(TARGET_NR_statfs64) \
7347 || defined(TARGET_NR_fstatfs)
7348 struct statfs stfs;
7349#endif
7350 void *p;
7351
7352 switch(num) {
7353 case TARGET_NR_exit:
7354
7355
7356
7357
7358
7359 if (block_signals()) {
7360 return -TARGET_ERESTARTSYS;
7361 }
7362
7363 cpu_list_lock();
7364
7365 if (CPU_NEXT(first_cpu)) {
7366 TaskState *ts;
7367
7368
7369 QTAILQ_REMOVE_RCU(&cpus, cpu, node);
7370
7371 cpu_list_unlock();
7372
7373 ts = cpu->opaque;
7374 if (ts->child_tidptr) {
7375 put_user_u32(0, ts->child_tidptr);
7376 sys_futex(g2h(ts->child_tidptr), FUTEX_WAKE, INT_MAX,
7377 NULL, NULL, 0);
7378 }
7379 thread_cpu = NULL;
7380 object_unref(OBJECT(cpu));
7381 g_free(ts);
7382 rcu_unregister_thread();
7383 pthread_exit(NULL);
7384 }
7385
7386 cpu_list_unlock();
7387 preexit_cleanup(cpu_env, arg1);
7388 _exit(arg1);
7389 return 0;
7390 case TARGET_NR_read:
7391 if (arg2 == 0 && arg3 == 0) {
7392 return get_errno(safe_read(arg1, 0, 0));
7393 } else {
7394 if (!(p = lock_user(VERIFY_WRITE, arg2, arg3, 0)))
7395 return -TARGET_EFAULT;
7396 ret = get_errno(safe_read(arg1, p, arg3));
7397 if (ret >= 0 &&
7398 fd_trans_host_to_target_data(arg1)) {
7399 ret = fd_trans_host_to_target_data(arg1)(p, ret);
7400 }
7401 unlock_user(p, arg2, ret);
7402 }
7403 return ret;
7404 case TARGET_NR_write:
7405 if (arg2 == 0 && arg3 == 0) {
7406 return get_errno(safe_write(arg1, 0, 0));
7407 }
7408 if (!(p = lock_user(VERIFY_READ, arg2, arg3, 1)))
7409 return -TARGET_EFAULT;
7410 if (fd_trans_target_to_host_data(arg1)) {
7411 void *copy = g_malloc(arg3);
7412 memcpy(copy, p, arg3);
7413 ret = fd_trans_target_to_host_data(arg1)(copy, arg3);
7414 if (ret >= 0) {
7415 ret = get_errno(safe_write(arg1, copy, ret));
7416 }
7417 g_free(copy);
7418 } else {
7419 ret = get_errno(safe_write(arg1, p, arg3));
7420 }
7421 unlock_user(p, arg2, 0);
7422 return ret;
7423
7424#ifdef TARGET_NR_open
7425 case TARGET_NR_open:
7426 if (!(p = lock_user_string(arg1)))
7427 return -TARGET_EFAULT;
7428 ret = get_errno(do_openat(cpu_env, AT_FDCWD, p,
7429 target_to_host_bitmask(arg2, fcntl_flags_tbl),
7430 arg3));
7431 fd_trans_unregister(ret);
7432 unlock_user(p, arg1, 0);
7433 return ret;
7434#endif
7435 case TARGET_NR_openat:
7436 if (!(p = lock_user_string(arg2)))
7437 return -TARGET_EFAULT;
7438 ret = get_errno(do_openat(cpu_env, arg1, p,
7439 target_to_host_bitmask(arg3, fcntl_flags_tbl),
7440 arg4));
7441 fd_trans_unregister(ret);
7442 unlock_user(p, arg2, 0);
7443 return ret;
7444#if defined(TARGET_NR_name_to_handle_at) && defined(CONFIG_OPEN_BY_HANDLE)
7445 case TARGET_NR_name_to_handle_at:
7446 ret = do_name_to_handle_at(arg1, arg2, arg3, arg4, arg5);
7447 return ret;
7448#endif
7449#if defined(TARGET_NR_open_by_handle_at) && defined(CONFIG_OPEN_BY_HANDLE)
7450 case TARGET_NR_open_by_handle_at:
7451 ret = do_open_by_handle_at(arg1, arg2, arg3);
7452 fd_trans_unregister(ret);
7453 return ret;
7454#endif
7455 case TARGET_NR_close:
7456 fd_trans_unregister(arg1);
7457 return get_errno(close(arg1));
7458
7459 case TARGET_NR_brk:
7460 return do_brk(arg1);
7461#ifdef TARGET_NR_fork
7462 case TARGET_NR_fork:
7463 return get_errno(do_fork(cpu_env, TARGET_SIGCHLD, 0, 0, 0, 0));
7464#endif
7465#ifdef TARGET_NR_waitpid
7466 case TARGET_NR_waitpid:
7467 {
7468 int status;
7469 ret = get_errno(safe_wait4(arg1, &status, arg3, 0));
7470 if (!is_error(ret) && arg2 && ret
7471 && put_user_s32(host_to_target_waitstatus(status), arg2))
7472 return -TARGET_EFAULT;
7473 }
7474 return ret;
7475#endif
7476#ifdef TARGET_NR_waitid
7477 case TARGET_NR_waitid:
7478 {
7479 siginfo_t info;
7480 info.si_pid = 0;
7481 ret = get_errno(safe_waitid(arg1, arg2, &info, arg4, NULL));
7482 if (!is_error(ret) && arg3 && info.si_pid != 0) {
7483 if (!(p = lock_user(VERIFY_WRITE, arg3, sizeof(target_siginfo_t), 0)))
7484 return -TARGET_EFAULT;
7485 host_to_target_siginfo(p, &info);
7486 unlock_user(p, arg3, sizeof(target_siginfo_t));
7487 }
7488 }
7489 return ret;
7490#endif
7491#ifdef TARGET_NR_creat
7492 case TARGET_NR_creat:
7493 if (!(p = lock_user_string(arg1)))
7494 return -TARGET_EFAULT;
7495 ret = get_errno(creat(p, arg2));
7496 fd_trans_unregister(ret);
7497 unlock_user(p, arg1, 0);
7498 return ret;
7499#endif
7500#ifdef TARGET_NR_link
7501 case TARGET_NR_link:
7502 {
7503 void * p2;
7504 p = lock_user_string(arg1);
7505 p2 = lock_user_string(arg2);
7506 if (!p || !p2)
7507 ret = -TARGET_EFAULT;
7508 else
7509 ret = get_errno(link(p, p2));
7510 unlock_user(p2, arg2, 0);
7511 unlock_user(p, arg1, 0);
7512 }
7513 return ret;
7514#endif
7515#if defined(TARGET_NR_linkat)
7516 case TARGET_NR_linkat:
7517 {
7518 void * p2 = NULL;
7519 if (!arg2 || !arg4)
7520 return -TARGET_EFAULT;
7521 p = lock_user_string(arg2);
7522 p2 = lock_user_string(arg4);
7523 if (!p || !p2)
7524 ret = -TARGET_EFAULT;
7525 else
7526 ret = get_errno(linkat(arg1, p, arg3, p2, arg5));
7527 unlock_user(p, arg2, 0);
7528 unlock_user(p2, arg4, 0);
7529 }
7530 return ret;
7531#endif
7532#ifdef TARGET_NR_unlink
7533 case TARGET_NR_unlink:
7534 if (!(p = lock_user_string(arg1)))
7535 return -TARGET_EFAULT;
7536 ret = get_errno(unlink(p));
7537 unlock_user(p, arg1, 0);
7538 return ret;
7539#endif
7540#if defined(TARGET_NR_unlinkat)
7541 case TARGET_NR_unlinkat:
7542 if (!(p = lock_user_string(arg2)))
7543 return -TARGET_EFAULT;
7544 ret = get_errno(unlinkat(arg1, p, arg3));
7545 unlock_user(p, arg2, 0);
7546 return ret;
7547#endif
7548 case TARGET_NR_execve:
7549 {
7550 char **argp, **envp;
7551 int argc, envc;
7552 abi_ulong gp;
7553 abi_ulong guest_argp;
7554 abi_ulong guest_envp;
7555 abi_ulong addr;
7556 char **q;
7557 int total_size = 0;
7558
7559 argc = 0;
7560 guest_argp = arg2;
7561 for (gp = guest_argp; gp; gp += sizeof(abi_ulong)) {
7562 if (get_user_ual(addr, gp))
7563 return -TARGET_EFAULT;
7564 if (!addr)
7565 break;
7566 argc++;
7567 }
7568 envc = 0;
7569 guest_envp = arg3;
7570 for (gp = guest_envp; gp; gp += sizeof(abi_ulong)) {
7571 if (get_user_ual(addr, gp))
7572 return -TARGET_EFAULT;
7573 if (!addr)
7574 break;
7575 envc++;
7576 }
7577
7578 argp = g_new0(char *, argc + 1);
7579 envp = g_new0(char *, envc + 1);
7580
7581 for (gp = guest_argp, q = argp; gp;
7582 gp += sizeof(abi_ulong), q++) {
7583 if (get_user_ual(addr, gp))
7584 goto execve_efault;
7585 if (!addr)
7586 break;
7587 if (!(*q = lock_user_string(addr)))
7588 goto execve_efault;
7589 total_size += strlen(*q) + 1;
7590 }
7591 *q = NULL;
7592
7593 for (gp = guest_envp, q = envp; gp;
7594 gp += sizeof(abi_ulong), q++) {
7595 if (get_user_ual(addr, gp))
7596 goto execve_efault;
7597 if (!addr)
7598 break;
7599 if (!(*q = lock_user_string(addr)))
7600 goto execve_efault;
7601 total_size += strlen(*q) + 1;
7602 }
7603 *q = NULL;
7604
7605 if (!(p = lock_user_string(arg1)))
7606 goto execve_efault;
7607
7608
7609
7610
7611
7612
7613
7614
7615
7616
7617 ret = get_errno(safe_execve(p, argp, envp));
7618 unlock_user(p, arg1, 0);
7619
7620 goto execve_end;
7621
7622 execve_efault:
7623 ret = -TARGET_EFAULT;
7624
7625 execve_end:
7626 for (gp = guest_argp, q = argp; *q;
7627 gp += sizeof(abi_ulong), q++) {
7628 if (get_user_ual(addr, gp)
7629 || !addr)
7630 break;
7631 unlock_user(*q, addr, 0);
7632 }
7633 for (gp = guest_envp, q = envp; *q;
7634 gp += sizeof(abi_ulong), q++) {
7635 if (get_user_ual(addr, gp)
7636 || !addr)
7637 break;
7638 unlock_user(*q, addr, 0);
7639 }
7640
7641 g_free(argp);
7642 g_free(envp);
7643 }
7644 return ret;
7645 case TARGET_NR_chdir:
7646 if (!(p = lock_user_string(arg1)))
7647 return -TARGET_EFAULT;
7648 ret = get_errno(chdir(p));
7649 unlock_user(p, arg1, 0);
7650 return ret;
7651#ifdef TARGET_NR_time
7652 case TARGET_NR_time:
7653 {
7654 time_t host_time;
7655 ret = get_errno(time(&host_time));
7656 if (!is_error(ret)
7657 && arg1
7658 && put_user_sal(host_time, arg1))
7659 return -TARGET_EFAULT;
7660 }
7661 return ret;
7662#endif
7663#ifdef TARGET_NR_mknod
7664 case TARGET_NR_mknod:
7665 if (!(p = lock_user_string(arg1)))
7666 return -TARGET_EFAULT;
7667 ret = get_errno(mknod(p, arg2, arg3));
7668 unlock_user(p, arg1, 0);
7669 return ret;
7670#endif
7671#if defined(TARGET_NR_mknodat)
7672 case TARGET_NR_mknodat:
7673 if (!(p = lock_user_string(arg2)))
7674 return -TARGET_EFAULT;
7675 ret = get_errno(mknodat(arg1, p, arg3, arg4));
7676 unlock_user(p, arg2, 0);
7677 return ret;
7678#endif
7679#ifdef TARGET_NR_chmod
7680 case TARGET_NR_chmod:
7681 if (!(p = lock_user_string(arg1)))
7682 return -TARGET_EFAULT;
7683 ret = get_errno(chmod(p, arg2));
7684 unlock_user(p, arg1, 0);
7685 return ret;
7686#endif
7687#ifdef TARGET_NR_lseek
7688 case TARGET_NR_lseek:
7689 return get_errno(lseek(arg1, arg2, arg3));
7690#endif
7691#if defined(TARGET_NR_getxpid) && defined(TARGET_ALPHA)
7692
7693 case TARGET_NR_getxpid:
7694 ((CPUAlphaState *)cpu_env)->ir[IR_A4] = getppid();
7695 return get_errno(getpid());
7696#endif
7697#ifdef TARGET_NR_getpid
7698 case TARGET_NR_getpid:
7699 return get_errno(getpid());
7700#endif
7701 case TARGET_NR_mount:
7702 {
7703
7704 void *p2, *p3;
7705
7706 if (arg1) {
7707 p = lock_user_string(arg1);
7708 if (!p) {
7709 return -TARGET_EFAULT;
7710 }
7711 } else {
7712 p = NULL;
7713 }
7714
7715 p2 = lock_user_string(arg2);
7716 if (!p2) {
7717 if (arg1) {
7718 unlock_user(p, arg1, 0);
7719 }
7720 return -TARGET_EFAULT;
7721 }
7722
7723 if (arg3) {
7724 p3 = lock_user_string(arg3);
7725 if (!p3) {
7726 if (arg1) {
7727 unlock_user(p, arg1, 0);
7728 }
7729 unlock_user(p2, arg2, 0);
7730 return -TARGET_EFAULT;
7731 }
7732 } else {
7733 p3 = NULL;
7734 }
7735
7736
7737
7738
7739
7740 if (!arg5) {
7741 ret = mount(p, p2, p3, (unsigned long)arg4, NULL);
7742 } else {
7743 ret = mount(p, p2, p3, (unsigned long)arg4, g2h(arg5));
7744 }
7745 ret = get_errno(ret);
7746
7747 if (arg1) {
7748 unlock_user(p, arg1, 0);
7749 }
7750 unlock_user(p2, arg2, 0);
7751 if (arg3) {
7752 unlock_user(p3, arg3, 0);
7753 }
7754 }
7755 return ret;
7756#ifdef TARGET_NR_umount
7757 case TARGET_NR_umount:
7758 if (!(p = lock_user_string(arg1)))
7759 return -TARGET_EFAULT;
7760 ret = get_errno(umount(p));
7761 unlock_user(p, arg1, 0);
7762 return ret;
7763#endif
7764#ifdef TARGET_NR_stime
7765 case TARGET_NR_stime:
7766 {
7767 struct timespec ts;
7768 ts.tv_nsec = 0;
7769 if (get_user_sal(ts.tv_sec, arg1)) {
7770 return -TARGET_EFAULT;
7771 }
7772 return get_errno(clock_settime(CLOCK_REALTIME, &ts));
7773 }
7774#endif
7775#ifdef TARGET_NR_alarm
7776 case TARGET_NR_alarm:
7777 return alarm(arg1);
7778#endif
7779#ifdef TARGET_NR_pause
7780 case TARGET_NR_pause:
7781 if (!block_signals()) {
7782 sigsuspend(&((TaskState *)cpu->opaque)->signal_mask);
7783 }
7784 return -TARGET_EINTR;
7785#endif
7786#ifdef TARGET_NR_utime
7787 case TARGET_NR_utime:
7788 {
7789 struct utimbuf tbuf, *host_tbuf;
7790 struct target_utimbuf *target_tbuf;
7791 if (arg2) {
7792 if (!lock_user_struct(VERIFY_READ, target_tbuf, arg2, 1))
7793 return -TARGET_EFAULT;
7794 tbuf.actime = tswapal(target_tbuf->actime);
7795 tbuf.modtime = tswapal(target_tbuf->modtime);
7796 unlock_user_struct(target_tbuf, arg2, 0);
7797 host_tbuf = &tbuf;
7798 } else {
7799 host_tbuf = NULL;
7800 }
7801 if (!(p = lock_user_string(arg1)))
7802 return -TARGET_EFAULT;
7803 ret = get_errno(utime(p, host_tbuf));
7804 unlock_user(p, arg1, 0);
7805 }
7806 return ret;
7807#endif
7808#ifdef TARGET_NR_utimes
7809 case TARGET_NR_utimes:
7810 {
7811 struct timeval *tvp, tv[2];
7812 if (arg2) {
7813 if (copy_from_user_timeval(&tv[0], arg2)
7814 || copy_from_user_timeval(&tv[1],
7815 arg2 + sizeof(struct target_timeval)))
7816 return -TARGET_EFAULT;
7817 tvp = tv;
7818 } else {
7819 tvp = NULL;
7820 }
7821 if (!(p = lock_user_string(arg1)))
7822 return -TARGET_EFAULT;
7823 ret = get_errno(utimes(p, tvp));
7824 unlock_user(p, arg1, 0);
7825 }
7826 return ret;
7827#endif
7828#if defined(TARGET_NR_futimesat)
7829 case TARGET_NR_futimesat:
7830 {
7831 struct timeval *tvp, tv[2];
7832 if (arg3) {
7833 if (copy_from_user_timeval(&tv[0], arg3)
7834 || copy_from_user_timeval(&tv[1],
7835 arg3 + sizeof(struct target_timeval)))
7836 return -TARGET_EFAULT;
7837 tvp = tv;
7838 } else {
7839 tvp = NULL;
7840 }
7841 if (!(p = lock_user_string(arg2))) {
7842 return -TARGET_EFAULT;
7843 }
7844 ret = get_errno(futimesat(arg1, path(p), tvp));
7845 unlock_user(p, arg2, 0);
7846 }
7847 return ret;
7848#endif
7849#ifdef TARGET_NR_access
7850 case TARGET_NR_access:
7851 if (!(p = lock_user_string(arg1))) {
7852 return -TARGET_EFAULT;
7853 }
7854 ret = get_errno(access(path(p), arg2));
7855 unlock_user(p, arg1, 0);
7856 return ret;
7857#endif
7858#if defined(TARGET_NR_faccessat) && defined(__NR_faccessat)
7859 case TARGET_NR_faccessat:
7860 if (!(p = lock_user_string(arg2))) {
7861 return -TARGET_EFAULT;
7862 }
7863 ret = get_errno(faccessat(arg1, p, arg3, 0));
7864 unlock_user(p, arg2, 0);
7865 return ret;
7866#endif
7867#ifdef TARGET_NR_nice
7868 case TARGET_NR_nice:
7869 return get_errno(nice(arg1));
7870#endif
7871 case TARGET_NR_sync:
7872 sync();
7873 return 0;
7874#if defined(TARGET_NR_syncfs) && defined(CONFIG_SYNCFS)
7875 case TARGET_NR_syncfs:
7876 return get_errno(syncfs(arg1));
7877#endif
7878 case TARGET_NR_kill:
7879 return get_errno(safe_kill(arg1, target_to_host_signal(arg2)));
7880#ifdef TARGET_NR_rename
7881 case TARGET_NR_rename:
7882 {
7883 void *p2;
7884 p = lock_user_string(arg1);
7885 p2 = lock_user_string(arg2);
7886 if (!p || !p2)
7887 ret = -TARGET_EFAULT;
7888 else
7889 ret = get_errno(rename(p, p2));
7890 unlock_user(p2, arg2, 0);
7891 unlock_user(p, arg1, 0);
7892 }
7893 return ret;
7894#endif
7895#if defined(TARGET_NR_renameat)
7896 case TARGET_NR_renameat:
7897 {
7898 void *p2;
7899 p = lock_user_string(arg2);
7900 p2 = lock_user_string(arg4);
7901 if (!p || !p2)
7902 ret = -TARGET_EFAULT;
7903 else
7904 ret = get_errno(renameat(arg1, p, arg3, p2));
7905 unlock_user(p2, arg4, 0);
7906 unlock_user(p, arg2, 0);
7907 }
7908 return ret;
7909#endif
7910#if defined(TARGET_NR_renameat2)
7911 case TARGET_NR_renameat2:
7912 {
7913 void *p2;
7914 p = lock_user_string(arg2);
7915 p2 = lock_user_string(arg4);
7916 if (!p || !p2) {
7917 ret = -TARGET_EFAULT;
7918 } else {
7919 ret = get_errno(sys_renameat2(arg1, p, arg3, p2, arg5));
7920 }
7921 unlock_user(p2, arg4, 0);
7922 unlock_user(p, arg2, 0);
7923 }
7924 return ret;
7925#endif
7926#ifdef TARGET_NR_mkdir
7927 case TARGET_NR_mkdir:
7928 if (!(p = lock_user_string(arg1)))
7929 return -TARGET_EFAULT;
7930 ret = get_errno(mkdir(p, arg2));
7931 unlock_user(p, arg1, 0);
7932 return ret;
7933#endif
7934#if defined(TARGET_NR_mkdirat)
7935 case TARGET_NR_mkdirat:
7936 if (!(p = lock_user_string(arg2)))
7937 return -TARGET_EFAULT;
7938 ret = get_errno(mkdirat(arg1, p, arg3));
7939 unlock_user(p, arg2, 0);
7940 return ret;
7941#endif
7942#ifdef TARGET_NR_rmdir
7943 case TARGET_NR_rmdir:
7944 if (!(p = lock_user_string(arg1)))
7945 return -TARGET_EFAULT;
7946 ret = get_errno(rmdir(p));
7947 unlock_user(p, arg1, 0);
7948 return ret;
7949#endif
7950 case TARGET_NR_dup:
7951 ret = get_errno(dup(arg1));
7952 if (ret >= 0) {
7953 fd_trans_dup(arg1, ret);
7954 }
7955 return ret;
7956#ifdef TARGET_NR_pipe
7957 case TARGET_NR_pipe:
7958 return do_pipe(cpu_env, arg1, 0, 0);
7959#endif
7960#ifdef TARGET_NR_pipe2
7961 case TARGET_NR_pipe2:
7962 return do_pipe(cpu_env, arg1,
7963 target_to_host_bitmask(arg2, fcntl_flags_tbl), 1);
7964#endif
7965 case TARGET_NR_times:
7966 {
7967 struct target_tms *tmsp;
7968 struct tms tms;
7969 ret = get_errno(times(&tms));
7970 if (arg1) {
7971 tmsp = lock_user(VERIFY_WRITE, arg1, sizeof(struct target_tms), 0);
7972 if (!tmsp)
7973 return -TARGET_EFAULT;
7974 tmsp->tms_utime = tswapal(host_to_target_clock_t(tms.tms_utime));
7975 tmsp->tms_stime = tswapal(host_to_target_clock_t(tms.tms_stime));
7976 tmsp->tms_cutime = tswapal(host_to_target_clock_t(tms.tms_cutime));
7977 tmsp->tms_cstime = tswapal(host_to_target_clock_t(tms.tms_cstime));
7978 }
7979 if (!is_error(ret))
7980 ret = host_to_target_clock_t(ret);
7981 }
7982 return ret;
7983 case TARGET_NR_acct:
7984 if (arg1 == 0) {
7985 ret = get_errno(acct(NULL));
7986 } else {
7987 if (!(p = lock_user_string(arg1))) {
7988 return -TARGET_EFAULT;
7989 }
7990 ret = get_errno(acct(path(p)));
7991 unlock_user(p, arg1, 0);
7992 }
7993 return ret;
7994#ifdef TARGET_NR_umount2
7995 case TARGET_NR_umount2:
7996 if (!(p = lock_user_string(arg1)))
7997 return -TARGET_EFAULT;
7998 ret = get_errno(umount2(p, arg2));
7999 unlock_user(p, arg1, 0);
8000 return ret;
8001#endif
8002 case TARGET_NR_ioctl:
8003 return do_ioctl(arg1, arg2, arg3);
8004#ifdef TARGET_NR_fcntl
8005 case TARGET_NR_fcntl:
8006 return do_fcntl(arg1, arg2, arg3);
8007#endif
8008 case TARGET_NR_setpgid:
8009 return get_errno(setpgid(arg1, arg2));
8010 case TARGET_NR_umask:
8011 return get_errno(umask(arg1));
8012 case TARGET_NR_chroot:
8013 if (!(p = lock_user_string(arg1)))
8014 return -TARGET_EFAULT;
8015 ret = get_errno(chroot(p));
8016 unlock_user(p, arg1, 0);
8017 return ret;
8018#ifdef TARGET_NR_dup2
8019 case TARGET_NR_dup2:
8020 ret = get_errno(dup2(arg1, arg2));
8021 if (ret >= 0) {
8022 fd_trans_dup(arg1, arg2);
8023 }
8024 return ret;
8025#endif
8026#if defined(CONFIG_DUP3) && defined(TARGET_NR_dup3)
8027 case TARGET_NR_dup3:
8028 {
8029 int host_flags;
8030
8031 if ((arg3 & ~TARGET_O_CLOEXEC) != 0) {
8032 return -EINVAL;
8033 }
8034 host_flags = target_to_host_bitmask(arg3, fcntl_flags_tbl);
8035 ret = get_errno(dup3(arg1, arg2, host_flags));
8036 if (ret >= 0) {
8037 fd_trans_dup(arg1, arg2);
8038 }
8039 return ret;
8040 }
8041#endif
8042#ifdef TARGET_NR_getppid
8043 case TARGET_NR_getppid:
8044 return get_errno(getppid());
8045#endif
8046#ifdef TARGET_NR_getpgrp
8047 case TARGET_NR_getpgrp:
8048 return get_errno(getpgrp());
8049#endif
8050 case TARGET_NR_setsid:
8051 return get_errno(setsid());
8052#ifdef TARGET_NR_sigaction
8053 case TARGET_NR_sigaction:
8054 {
8055#if defined(TARGET_ALPHA)
8056 struct target_sigaction act, oact, *pact = 0;
8057 struct target_old_sigaction *old_act;
8058 if (arg2) {
8059 if (!lock_user_struct(VERIFY_READ, old_act, arg2, 1))
8060 return -TARGET_EFAULT;
8061 act._sa_handler = old_act->_sa_handler;
8062 target_siginitset(&act.sa_mask, old_act->sa_mask);
8063 act.sa_flags = old_act->sa_flags;
8064 act.sa_restorer = 0;
8065 unlock_user_struct(old_act, arg2, 0);
8066 pact = &act;
8067 }
8068 ret = get_errno(do_sigaction(arg1, pact, &oact));
8069 if (!is_error(ret) && arg3) {
8070 if (!lock_user_struct(VERIFY_WRITE, old_act, arg3, 0))
8071 return -TARGET_EFAULT;
8072 old_act->_sa_handler = oact._sa_handler;
8073 old_act->sa_mask = oact.sa_mask.sig[0];
8074 old_act->sa_flags = oact.sa_flags;
8075 unlock_user_struct(old_act, arg3, 1);
8076 }
8077#elif defined(TARGET_MIPS)
8078 struct target_sigaction act, oact, *pact, *old_act;
8079
8080 if (arg2) {
8081 if (!lock_user_struct(VERIFY_READ, old_act, arg2, 1))
8082 return -TARGET_EFAULT;
8083 act._sa_handler = old_act->_sa_handler;
8084 target_siginitset(&act.sa_mask, old_act->sa_mask.sig[0]);
8085 act.sa_flags = old_act->sa_flags;
8086 unlock_user_struct(old_act, arg2, 0);
8087 pact = &act;
8088 } else {
8089 pact = NULL;
8090 }
8091
8092 ret = get_errno(do_sigaction(arg1, pact, &oact));
8093
8094 if (!is_error(ret) && arg3) {
8095 if (!lock_user_struct(VERIFY_WRITE, old_act, arg3, 0))
8096 return -TARGET_EFAULT;
8097 old_act->_sa_handler = oact._sa_handler;
8098 old_act->sa_flags = oact.sa_flags;
8099 old_act->sa_mask.sig[0] = oact.sa_mask.sig[0];
8100 old_act->sa_mask.sig[1] = 0;
8101 old_act->sa_mask.sig[2] = 0;
8102 old_act->sa_mask.sig[3] = 0;
8103 unlock_user_struct(old_act, arg3, 1);
8104 }
8105#else
8106 struct target_old_sigaction *old_act;
8107 struct target_sigaction act, oact, *pact;
8108 if (arg2) {
8109 if (!lock_user_struct(VERIFY_READ, old_act, arg2, 1))
8110 return -TARGET_EFAULT;
8111 act._sa_handler = old_act->_sa_handler;
8112 target_siginitset(&act.sa_mask, old_act->sa_mask);
8113 act.sa_flags = old_act->sa_flags;
8114 act.sa_restorer = old_act->sa_restorer;
8115#ifdef TARGET_ARCH_HAS_KA_RESTORER
8116 act.ka_restorer = 0;
8117#endif
8118 unlock_user_struct(old_act, arg2, 0);
8119 pact = &act;
8120 } else {
8121 pact = NULL;
8122 }
8123 ret = get_errno(do_sigaction(arg1, pact, &oact));
8124 if (!is_error(ret) && arg3) {
8125 if (!lock_user_struct(VERIFY_WRITE, old_act, arg3, 0))
8126 return -TARGET_EFAULT;
8127 old_act->_sa_handler = oact._sa_handler;
8128 old_act->sa_mask = oact.sa_mask.sig[0];
8129 old_act->sa_flags = oact.sa_flags;
8130 old_act->sa_restorer = oact.sa_restorer;
8131 unlock_user_struct(old_act, arg3, 1);
8132 }
8133#endif
8134 }
8135 return ret;
8136#endif
8137 case TARGET_NR_rt_sigaction:
8138 {
8139#if defined(TARGET_ALPHA)
8140
8141
8142
8143
8144
8145
8146
8147
8148 struct target_rt_sigaction *rt_act;
8149 struct target_sigaction act, oact, *pact = 0;
8150
8151 if (arg4 != sizeof(target_sigset_t)) {
8152 return -TARGET_EINVAL;
8153 }
8154 if (arg2) {
8155 if (!lock_user_struct(VERIFY_READ, rt_act, arg2, 1))
8156 return -TARGET_EFAULT;
8157 act._sa_handler = rt_act->_sa_handler;
8158 act.sa_mask = rt_act->sa_mask;
8159 act.sa_flags = rt_act->sa_flags;
8160 act.sa_restorer = arg5;
8161 unlock_user_struct(rt_act, arg2, 0);
8162 pact = &act;
8163 }
8164 ret = get_errno(do_sigaction(arg1, pact, &oact));
8165 if (!is_error(ret) && arg3) {
8166 if (!lock_user_struct(VERIFY_WRITE, rt_act, arg3, 0))
8167 return -TARGET_EFAULT;
8168 rt_act->_sa_handler = oact._sa_handler;
8169 rt_act->sa_mask = oact.sa_mask;
8170 rt_act->sa_flags = oact.sa_flags;
8171 unlock_user_struct(rt_act, arg3, 1);
8172 }
8173#else
8174#ifdef TARGET_SPARC
8175 target_ulong restorer = arg4;
8176 target_ulong sigsetsize = arg5;
8177#else
8178 target_ulong sigsetsize = arg4;
8179#endif
8180 struct target_sigaction *act;
8181 struct target_sigaction *oact;
8182
8183 if (sigsetsize != sizeof(target_sigset_t)) {
8184 return -TARGET_EINVAL;
8185 }
8186 if (arg2) {
8187 if (!lock_user_struct(VERIFY_READ, act, arg2, 1)) {
8188 return -TARGET_EFAULT;
8189 }
8190#ifdef TARGET_ARCH_HAS_KA_RESTORER
8191 act->ka_restorer = restorer;
8192#endif
8193 } else {
8194 act = NULL;
8195 }
8196 if (arg3) {
8197 if (!lock_user_struct(VERIFY_WRITE, oact, arg3, 0)) {
8198 ret = -TARGET_EFAULT;
8199 goto rt_sigaction_fail;
8200 }
8201 } else
8202 oact = NULL;
8203 ret = get_errno(do_sigaction(arg1, act, oact));
8204 rt_sigaction_fail:
8205 if (act)
8206 unlock_user_struct(act, arg2, 0);
8207 if (oact)
8208 unlock_user_struct(oact, arg3, 1);
8209#endif
8210 }
8211 return ret;
8212#ifdef TARGET_NR_sgetmask
8213 case TARGET_NR_sgetmask:
8214 {
8215 sigset_t cur_set;
8216 abi_ulong target_set;
8217 ret = do_sigprocmask(0, NULL, &cur_set);
8218 if (!ret) {
8219 host_to_target_old_sigset(&target_set, &cur_set);
8220 ret = target_set;
8221 }
8222 }
8223 return ret;
8224#endif
8225#ifdef TARGET_NR_ssetmask
8226 case TARGET_NR_ssetmask:
8227 {
8228 sigset_t set, oset;
8229 abi_ulong target_set = arg1;
8230 target_to_host_old_sigset(&set, &target_set);
8231 ret = do_sigprocmask(SIG_SETMASK, &set, &oset);
8232 if (!ret) {
8233 host_to_target_old_sigset(&target_set, &oset);
8234 ret = target_set;
8235 }
8236 }
8237 return ret;
8238#endif
8239#ifdef TARGET_NR_sigprocmask
8240 case TARGET_NR_sigprocmask:
8241 {
8242#if defined(TARGET_ALPHA)
8243 sigset_t set, oldset;
8244 abi_ulong mask;
8245 int how;
8246
8247 switch (arg1) {
8248 case TARGET_SIG_BLOCK:
8249 how = SIG_BLOCK;
8250 break;
8251 case TARGET_SIG_UNBLOCK:
8252 how = SIG_UNBLOCK;
8253 break;
8254 case TARGET_SIG_SETMASK:
8255 how = SIG_SETMASK;
8256 break;
8257 default:
8258 return -TARGET_EINVAL;
8259 }
8260 mask = arg2;
8261 target_to_host_old_sigset(&set, &mask);
8262
8263 ret = do_sigprocmask(how, &set, &oldset);
8264 if (!is_error(ret)) {
8265 host_to_target_old_sigset(&mask, &oldset);
8266 ret = mask;
8267 ((CPUAlphaState *)cpu_env)->ir[IR_V0] = 0;
8268 }
8269#else
8270 sigset_t set, oldset, *set_ptr;
8271 int how;
8272
8273 if (arg2) {
8274 switch (arg1) {
8275 case TARGET_SIG_BLOCK:
8276 how = SIG_BLOCK;
8277 break;
8278 case TARGET_SIG_UNBLOCK:
8279 how = SIG_UNBLOCK;
8280 break;
8281 case TARGET_SIG_SETMASK:
8282 how = SIG_SETMASK;
8283 break;
8284 default:
8285 return -TARGET_EINVAL;
8286 }
8287 if (!(p = lock_user(VERIFY_READ, arg2, sizeof(target_sigset_t), 1)))
8288 return -TARGET_EFAULT;
8289 target_to_host_old_sigset(&set, p);
8290 unlock_user(p, arg2, 0);
8291 set_ptr = &set;
8292 } else {
8293 how = 0;
8294 set_ptr = NULL;
8295 }
8296 ret = do_sigprocmask(how, set_ptr, &oldset);
8297 if (!is_error(ret) && arg3) {
8298 if (!(p = lock_user(VERIFY_WRITE, arg3, sizeof(target_sigset_t), 0)))
8299 return -TARGET_EFAULT;
8300 host_to_target_old_sigset(p, &oldset);
8301 unlock_user(p, arg3, sizeof(target_sigset_t));
8302 }
8303#endif
8304 }
8305 return ret;
8306#endif
8307 case TARGET_NR_rt_sigprocmask:
8308 {
8309 int how = arg1;
8310 sigset_t set, oldset, *set_ptr;
8311
8312 if (arg4 != sizeof(target_sigset_t)) {
8313 return -TARGET_EINVAL;
8314 }
8315
8316 if (arg2) {
8317 switch(how) {
8318 case TARGET_SIG_BLOCK:
8319 how = SIG_BLOCK;
8320 break;
8321 case TARGET_SIG_UNBLOCK:
8322 how = SIG_UNBLOCK;
8323 break;
8324 case TARGET_SIG_SETMASK:
8325 how = SIG_SETMASK;
8326 break;
8327 default:
8328 return -TARGET_EINVAL;
8329 }
8330 if (!(p = lock_user(VERIFY_READ, arg2, sizeof(target_sigset_t), 1)))
8331 return -TARGET_EFAULT;
8332 target_to_host_sigset(&set, p);
8333 unlock_user(p, arg2, 0);
8334 set_ptr = &set;
8335 } else {
8336 how = 0;
8337 set_ptr = NULL;
8338 }
8339 ret = do_sigprocmask(how, set_ptr, &oldset);
8340 if (!is_error(ret) && arg3) {
8341 if (!(p = lock_user(VERIFY_WRITE, arg3, sizeof(target_sigset_t), 0)))
8342 return -TARGET_EFAULT;
8343 host_to_target_sigset(p, &oldset);
8344 unlock_user(p, arg3, sizeof(target_sigset_t));
8345 }
8346 }
8347 return ret;
8348#ifdef TARGET_NR_sigpending
8349 case TARGET_NR_sigpending:
8350 {
8351 sigset_t set;
8352 ret = get_errno(sigpending(&set));
8353 if (!is_error(ret)) {
8354 if (!(p = lock_user(VERIFY_WRITE, arg1, sizeof(target_sigset_t), 0)))
8355 return -TARGET_EFAULT;
8356 host_to_target_old_sigset(p, &set);
8357 unlock_user(p, arg1, sizeof(target_sigset_t));
8358 }
8359 }
8360 return ret;
8361#endif
8362 case TARGET_NR_rt_sigpending:
8363 {
8364 sigset_t set;
8365
8366
8367
8368
8369
8370
8371 if (arg2 > sizeof(target_sigset_t)) {
8372 return -TARGET_EINVAL;
8373 }
8374
8375 ret = get_errno(sigpending(&set));
8376 if (!is_error(ret)) {
8377 if (!(p = lock_user(VERIFY_WRITE, arg1, sizeof(target_sigset_t), 0)))
8378 return -TARGET_EFAULT;
8379 host_to_target_sigset(p, &set);
8380 unlock_user(p, arg1, sizeof(target_sigset_t));
8381 }
8382 }
8383 return ret;
8384#ifdef TARGET_NR_sigsuspend
8385 case TARGET_NR_sigsuspend:
8386 {
8387 TaskState *ts = cpu->opaque;
8388#if defined(TARGET_ALPHA)
8389 abi_ulong mask = arg1;
8390 target_to_host_old_sigset(&ts->sigsuspend_mask, &mask);
8391#else
8392 if (!(p = lock_user(VERIFY_READ, arg1, sizeof(target_sigset_t), 1)))
8393 return -TARGET_EFAULT;
8394 target_to_host_old_sigset(&ts->sigsuspend_mask, p);
8395 unlock_user(p, arg1, 0);
8396#endif
8397 ret = get_errno(safe_rt_sigsuspend(&ts->sigsuspend_mask,
8398 SIGSET_T_SIZE));
8399 if (ret != -TARGET_ERESTARTSYS) {
8400 ts->in_sigsuspend = 1;
8401 }
8402 }
8403 return ret;
8404#endif
8405 case TARGET_NR_rt_sigsuspend:
8406 {
8407 TaskState *ts = cpu->opaque;
8408
8409 if (arg2 != sizeof(target_sigset_t)) {
8410 return -TARGET_EINVAL;
8411 }
8412 if (!(p = lock_user(VERIFY_READ, arg1, sizeof(target_sigset_t), 1)))
8413 return -TARGET_EFAULT;
8414 target_to_host_sigset(&ts->sigsuspend_mask, p);
8415 unlock_user(p, arg1, 0);
8416 ret = get_errno(safe_rt_sigsuspend(&ts->sigsuspend_mask,
8417 SIGSET_T_SIZE));
8418 if (ret != -TARGET_ERESTARTSYS) {
8419 ts->in_sigsuspend = 1;
8420 }
8421 }
8422 return ret;
8423 case TARGET_NR_rt_sigtimedwait:
8424 {
8425 sigset_t set;
8426 struct timespec uts, *puts;
8427 siginfo_t uinfo;
8428
8429 if (arg4 != sizeof(target_sigset_t)) {
8430 return -TARGET_EINVAL;
8431 }
8432
8433 if (!(p = lock_user(VERIFY_READ, arg1, sizeof(target_sigset_t), 1)))
8434 return -TARGET_EFAULT;
8435 target_to_host_sigset(&set, p);
8436 unlock_user(p, arg1, 0);
8437 if (arg3) {
8438 puts = &uts;
8439 target_to_host_timespec(puts, arg3);
8440 } else {
8441 puts = NULL;
8442 }
8443 ret = get_errno(safe_rt_sigtimedwait(&set, &uinfo, puts,
8444 SIGSET_T_SIZE));
8445 if (!is_error(ret)) {
8446 if (arg2) {
8447 p = lock_user(VERIFY_WRITE, arg2, sizeof(target_siginfo_t),
8448 0);
8449 if (!p) {
8450 return -TARGET_EFAULT;
8451 }
8452 host_to_target_siginfo(p, &uinfo);
8453 unlock_user(p, arg2, sizeof(target_siginfo_t));
8454 }
8455 ret = host_to_target_signal(ret);
8456 }
8457 }
8458 return ret;
8459 case TARGET_NR_rt_sigqueueinfo:
8460 {
8461 siginfo_t uinfo;
8462
8463 p = lock_user(VERIFY_READ, arg3, sizeof(target_siginfo_t), 1);
8464 if (!p) {
8465 return -TARGET_EFAULT;
8466 }
8467 target_to_host_siginfo(&uinfo, p);
8468 unlock_user(p, arg3, 0);
8469 ret = get_errno(sys_rt_sigqueueinfo(arg1, arg2, &uinfo));
8470 }
8471 return ret;
8472 case TARGET_NR_rt_tgsigqueueinfo:
8473 {
8474 siginfo_t uinfo;
8475
8476 p = lock_user(VERIFY_READ, arg4, sizeof(target_siginfo_t), 1);
8477 if (!p) {
8478 return -TARGET_EFAULT;
8479 }
8480 target_to_host_siginfo(&uinfo, p);
8481 unlock_user(p, arg4, 0);
8482 ret = get_errno(sys_rt_tgsigqueueinfo(arg1, arg2, arg3, &uinfo));
8483 }
8484 return ret;
8485#ifdef TARGET_NR_sigreturn
8486 case TARGET_NR_sigreturn:
8487 if (block_signals()) {
8488 return -TARGET_ERESTARTSYS;
8489 }
8490 return do_sigreturn(cpu_env);
8491#endif
8492 case TARGET_NR_rt_sigreturn:
8493 if (block_signals()) {
8494 return -TARGET_ERESTARTSYS;
8495 }
8496 return do_rt_sigreturn(cpu_env);
8497 case TARGET_NR_sethostname:
8498 if (!(p = lock_user_string(arg1)))
8499 return -TARGET_EFAULT;
8500 ret = get_errno(sethostname(p, arg2));
8501 unlock_user(p, arg1, 0);
8502 return ret;
8503#ifdef TARGET_NR_setrlimit
8504 case TARGET_NR_setrlimit:
8505 {
8506 int resource = target_to_host_resource(arg1);
8507 struct target_rlimit *target_rlim;
8508 struct rlimit rlim;
8509 if (!lock_user_struct(VERIFY_READ, target_rlim, arg2, 1))
8510 return -TARGET_EFAULT;
8511 rlim.rlim_cur = target_to_host_rlim(target_rlim->rlim_cur);
8512 rlim.rlim_max = target_to_host_rlim(target_rlim->rlim_max);
8513 unlock_user_struct(target_rlim, arg2, 0);
8514
8515
8516
8517
8518
8519
8520
8521
8522 if (resource != RLIMIT_AS &&
8523 resource != RLIMIT_DATA &&
8524 resource != RLIMIT_STACK) {
8525 return get_errno(setrlimit(resource, &rlim));
8526 } else {
8527 return 0;
8528 }
8529 }
8530#endif
8531#ifdef TARGET_NR_getrlimit
8532 case TARGET_NR_getrlimit:
8533 {
8534 int resource = target_to_host_resource(arg1);
8535 struct target_rlimit *target_rlim;
8536 struct rlimit rlim;
8537
8538 ret = get_errno(getrlimit(resource, &rlim));
8539 if (!is_error(ret)) {
8540 if (!lock_user_struct(VERIFY_WRITE, target_rlim, arg2, 0))
8541 return -TARGET_EFAULT;
8542 target_rlim->rlim_cur = host_to_target_rlim(rlim.rlim_cur);
8543 target_rlim->rlim_max = host_to_target_rlim(rlim.rlim_max);
8544 unlock_user_struct(target_rlim, arg2, 1);
8545 }
8546 }
8547 return ret;
8548#endif
8549 case TARGET_NR_getrusage:
8550 {
8551 struct rusage rusage;
8552 ret = get_errno(getrusage(arg1, &rusage));
8553 if (!is_error(ret)) {
8554 ret = host_to_target_rusage(arg2, &rusage);
8555 }
8556 }
8557 return ret;
8558 case TARGET_NR_gettimeofday:
8559 {
8560 struct timeval tv;
8561 ret = get_errno(gettimeofday(&tv, NULL));
8562 if (!is_error(ret)) {
8563 if (copy_to_user_timeval(arg1, &tv))
8564 return -TARGET_EFAULT;
8565 }
8566 }
8567 return ret;
8568 case TARGET_NR_settimeofday:
8569 {
8570 struct timeval tv, *ptv = NULL;
8571 struct timezone tz, *ptz = NULL;
8572
8573 if (arg1) {
8574 if (copy_from_user_timeval(&tv, arg1)) {
8575 return -TARGET_EFAULT;
8576 }
8577 ptv = &tv;
8578 }
8579
8580 if (arg2) {
8581 if (copy_from_user_timezone(&tz, arg2)) {
8582 return -TARGET_EFAULT;
8583 }
8584 ptz = &tz;
8585 }
8586
8587 return get_errno(settimeofday(ptv, ptz));
8588 }
8589#if defined(TARGET_NR_select)
8590 case TARGET_NR_select:
8591#if defined(TARGET_WANT_NI_OLD_SELECT)
8592
8593
8594
8595 ret = -TARGET_ENOSYS;
8596#elif defined(TARGET_WANT_OLD_SYS_SELECT)
8597 ret = do_old_select(arg1);
8598#else
8599 ret = do_select(arg1, arg2, arg3, arg4, arg5);
8600#endif
8601 return ret;
8602#endif
8603#ifdef TARGET_NR_pselect6
8604 case TARGET_NR_pselect6:
8605 {
8606 abi_long rfd_addr, wfd_addr, efd_addr, n, ts_addr;
8607 fd_set rfds, wfds, efds;
8608 fd_set *rfds_ptr, *wfds_ptr, *efds_ptr;
8609 struct timespec ts, *ts_ptr;
8610
8611
8612
8613
8614
8615 sigset_t set;
8616 struct {
8617 sigset_t *set;
8618 size_t size;
8619 } sig, *sig_ptr;
8620
8621 abi_ulong arg_sigset, arg_sigsize, *arg7;
8622 target_sigset_t *target_sigset;
8623
8624 n = arg1;
8625 rfd_addr = arg2;
8626 wfd_addr = arg3;
8627 efd_addr = arg4;
8628 ts_addr = arg5;
8629
8630 ret = copy_from_user_fdset_ptr(&rfds, &rfds_ptr, rfd_addr, n);
8631 if (ret) {
8632 return ret;
8633 }
8634 ret = copy_from_user_fdset_ptr(&wfds, &wfds_ptr, wfd_addr, n);
8635 if (ret) {
8636 return ret;
8637 }
8638 ret = copy_from_user_fdset_ptr(&efds, &efds_ptr, efd_addr, n);
8639 if (ret) {
8640 return ret;
8641 }
8642
8643
8644
8645
8646
8647 if (ts_addr) {
8648 if (target_to_host_timespec(&ts, ts_addr)) {
8649 return -TARGET_EFAULT;
8650 }
8651 ts_ptr = &ts;
8652 } else {
8653 ts_ptr = NULL;
8654 }
8655
8656
8657 if (arg6) {
8658 sig_ptr = &sig;
8659 sig.size = SIGSET_T_SIZE;
8660
8661 arg7 = lock_user(VERIFY_READ, arg6, sizeof(*arg7) * 2, 1);
8662 if (!arg7) {
8663 return -TARGET_EFAULT;
8664 }
8665 arg_sigset = tswapal(arg7[0]);
8666 arg_sigsize = tswapal(arg7[1]);
8667 unlock_user(arg7, arg6, 0);
8668
8669 if (arg_sigset) {
8670 sig.set = &set;
8671 if (arg_sigsize != sizeof(*target_sigset)) {
8672
8673 return -TARGET_EINVAL;
8674 }
8675 target_sigset = lock_user(VERIFY_READ, arg_sigset,
8676 sizeof(*target_sigset), 1);
8677 if (!target_sigset) {
8678 return -TARGET_EFAULT;
8679 }
8680 target_to_host_sigset(&set, target_sigset);
8681 unlock_user(target_sigset, arg_sigset, 0);
8682 } else {
8683 sig.set = NULL;
8684 }
8685 } else {
8686 sig_ptr = NULL;
8687 }
8688
8689 ret = get_errno(safe_pselect6(n, rfds_ptr, wfds_ptr, efds_ptr,
8690 ts_ptr, sig_ptr));
8691
8692 if (!is_error(ret)) {
8693 if (rfd_addr && copy_to_user_fdset(rfd_addr, &rfds, n))
8694 return -TARGET_EFAULT;
8695 if (wfd_addr && copy_to_user_fdset(wfd_addr, &wfds, n))
8696 return -TARGET_EFAULT;
8697 if (efd_addr && copy_to_user_fdset(efd_addr, &efds, n))
8698 return -TARGET_EFAULT;
8699
8700 if (ts_addr && host_to_target_timespec(ts_addr, &ts))
8701 return -TARGET_EFAULT;
8702 }
8703 }
8704 return ret;
8705#endif
8706#ifdef TARGET_NR_symlink
8707 case TARGET_NR_symlink:
8708 {
8709 void *p2;
8710 p = lock_user_string(arg1);
8711 p2 = lock_user_string(arg2);
8712 if (!p || !p2)
8713 ret = -TARGET_EFAULT;
8714 else
8715 ret = get_errno(symlink(p, p2));
8716 unlock_user(p2, arg2, 0);
8717 unlock_user(p, arg1, 0);
8718 }
8719 return ret;
8720#endif
8721#if defined(TARGET_NR_symlinkat)
8722 case TARGET_NR_symlinkat:
8723 {
8724 void *p2;
8725 p = lock_user_string(arg1);
8726 p2 = lock_user_string(arg3);
8727 if (!p || !p2)
8728 ret = -TARGET_EFAULT;
8729 else
8730 ret = get_errno(symlinkat(p, arg2, p2));
8731 unlock_user(p2, arg3, 0);
8732 unlock_user(p, arg1, 0);
8733 }
8734 return ret;
8735#endif
8736#ifdef TARGET_NR_readlink
8737 case TARGET_NR_readlink:
8738 {
8739 void *p2;
8740 p = lock_user_string(arg1);
8741 p2 = lock_user(VERIFY_WRITE, arg2, arg3, 0);
8742 if (!p || !p2) {
8743 ret = -TARGET_EFAULT;
8744 } else if (!arg3) {
8745
8746 ret = -TARGET_EINVAL;
8747 } else if (is_proc_myself((const char *)p, "exe")) {
8748 char real[PATH_MAX], *temp;
8749 temp = realpath(exec_path, real);
8750
8751 if (temp == NULL) {
8752 ret = get_errno(-1);
8753 } else {
8754
8755
8756 ret = MIN(strlen(real), arg3);
8757
8758 memcpy(p2, real, ret);
8759 }
8760 } else {
8761 ret = get_errno(readlink(path(p), p2, arg3));
8762 }
8763 unlock_user(p2, arg2, ret);
8764 unlock_user(p, arg1, 0);
8765 }
8766 return ret;
8767#endif
8768#if defined(TARGET_NR_readlinkat)
8769 case TARGET_NR_readlinkat:
8770 {
8771 void *p2;
8772 p = lock_user_string(arg2);
8773 p2 = lock_user(VERIFY_WRITE, arg3, arg4, 0);
8774 if (!p || !p2) {
8775 ret = -TARGET_EFAULT;
8776 } else if (is_proc_myself((const char *)p, "exe")) {
8777 char real[PATH_MAX], *temp;
8778 temp = realpath(exec_path, real);
8779 ret = temp == NULL ? get_errno(-1) : strlen(real) ;
8780 snprintf((char *)p2, arg4, "%s", real);
8781 } else {
8782 ret = get_errno(readlinkat(arg1, path(p), p2, arg4));
8783 }
8784 unlock_user(p2, arg3, ret);
8785 unlock_user(p, arg2, 0);
8786 }
8787 return ret;
8788#endif
8789#ifdef TARGET_NR_swapon
8790 case TARGET_NR_swapon:
8791 if (!(p = lock_user_string(arg1)))
8792 return -TARGET_EFAULT;
8793 ret = get_errno(swapon(p, arg2));
8794 unlock_user(p, arg1, 0);
8795 return ret;
8796#endif
8797 case TARGET_NR_reboot:
8798 if (arg3 == LINUX_REBOOT_CMD_RESTART2) {
8799
8800 p = lock_user_string(arg4);
8801 if (!p) {
8802 return -TARGET_EFAULT;
8803 }
8804 ret = get_errno(reboot(arg1, arg2, arg3, p));
8805 unlock_user(p, arg4, 0);
8806 } else {
8807 ret = get_errno(reboot(arg1, arg2, arg3, NULL));
8808 }
8809 return ret;
8810#ifdef TARGET_NR_mmap
8811 case TARGET_NR_mmap:
8812#if (defined(TARGET_I386) && defined(TARGET_ABI32)) || \
8813 (defined(TARGET_ARM) && defined(TARGET_ABI32)) || \
8814 defined(TARGET_M68K) || defined(TARGET_CRIS) || defined(TARGET_MICROBLAZE) \
8815 || defined(TARGET_S390X)
8816 {
8817 abi_ulong *v;
8818 abi_ulong v1, v2, v3, v4, v5, v6;
8819 if (!(v = lock_user(VERIFY_READ, arg1, 6 * sizeof(abi_ulong), 1)))
8820 return -TARGET_EFAULT;
8821 v1 = tswapal(v[0]);
8822 v2 = tswapal(v[1]);
8823 v3 = tswapal(v[2]);
8824 v4 = tswapal(v[3]);
8825 v5 = tswapal(v[4]);
8826 v6 = tswapal(v[5]);
8827 unlock_user(v, arg1, 0);
8828 ret = get_errno(target_mmap(v1, v2, v3,
8829 target_to_host_bitmask(v4, mmap_flags_tbl),
8830 v5, v6));
8831 }
8832#else
8833 ret = get_errno(target_mmap(arg1, arg2, arg3,
8834 target_to_host_bitmask(arg4, mmap_flags_tbl),
8835 arg5,
8836 arg6));
8837#endif
8838 return ret;
8839#endif
8840#ifdef TARGET_NR_mmap2
8841 case TARGET_NR_mmap2:
8842#ifndef MMAP_SHIFT
8843#define MMAP_SHIFT 12
8844#endif
8845 ret = target_mmap(arg1, arg2, arg3,
8846 target_to_host_bitmask(arg4, mmap_flags_tbl),
8847 arg5, arg6 << MMAP_SHIFT);
8848 return get_errno(ret);
8849#endif
8850 case TARGET_NR_munmap:
8851 return get_errno(target_munmap(arg1, arg2));
8852 case TARGET_NR_mprotect:
8853 {
8854 TaskState *ts = cpu->opaque;
8855
8856 if ((arg3 & PROT_GROWSDOWN)
8857 && arg1 >= ts->info->stack_limit
8858 && arg1 <= ts->info->start_stack) {
8859 arg3 &= ~PROT_GROWSDOWN;
8860 arg2 = arg2 + arg1 - ts->info->stack_limit;
8861 arg1 = ts->info->stack_limit;
8862 }
8863 }
8864 return get_errno(target_mprotect(arg1, arg2, arg3));
8865#ifdef TARGET_NR_mremap
8866 case TARGET_NR_mremap:
8867 return get_errno(target_mremap(arg1, arg2, arg3, arg4, arg5));
8868#endif
8869
8870#ifdef TARGET_NR_msync
8871 case TARGET_NR_msync:
8872 return get_errno(msync(g2h(arg1), arg2, arg3));
8873#endif
8874#ifdef TARGET_NR_mlock
8875 case TARGET_NR_mlock:
8876 return get_errno(mlock(g2h(arg1), arg2));
8877#endif
8878#ifdef TARGET_NR_munlock
8879 case TARGET_NR_munlock:
8880 return get_errno(munlock(g2h(arg1), arg2));
8881#endif
8882#ifdef TARGET_NR_mlockall
8883 case TARGET_NR_mlockall:
8884 return get_errno(mlockall(target_to_host_mlockall_arg(arg1)));
8885#endif
8886#ifdef TARGET_NR_munlockall
8887 case TARGET_NR_munlockall:
8888 return get_errno(munlockall());
8889#endif
8890#ifdef TARGET_NR_truncate
8891 case TARGET_NR_truncate:
8892 if (!(p = lock_user_string(arg1)))
8893 return -TARGET_EFAULT;
8894 ret = get_errno(truncate(p, arg2));
8895 unlock_user(p, arg1, 0);
8896 return ret;
8897#endif
8898#ifdef TARGET_NR_ftruncate
8899 case TARGET_NR_ftruncate:
8900 return get_errno(ftruncate(arg1, arg2));
8901#endif
8902 case TARGET_NR_fchmod:
8903 return get_errno(fchmod(arg1, arg2));
8904#if defined(TARGET_NR_fchmodat)
8905 case TARGET_NR_fchmodat:
8906 if (!(p = lock_user_string(arg2)))
8907 return -TARGET_EFAULT;
8908 ret = get_errno(fchmodat(arg1, p, arg3, 0));
8909 unlock_user(p, arg2, 0);
8910 return ret;
8911#endif
8912 case TARGET_NR_getpriority:
8913
8914
8915 errno = 0;
8916 ret = getpriority(arg1, arg2);
8917 if (ret == -1 && errno != 0) {
8918 return -host_to_target_errno(errno);
8919 }
8920#ifdef TARGET_ALPHA
8921
8922 ((CPUAlphaState *)cpu_env)->ir[IR_V0] = 0;
8923#else
8924
8925 ret = 20 - ret;
8926#endif
8927 return ret;
8928 case TARGET_NR_setpriority:
8929 return get_errno(setpriority(arg1, arg2, arg3));
8930#ifdef TARGET_NR_statfs
8931 case TARGET_NR_statfs:
8932 if (!(p = lock_user_string(arg1))) {
8933 return -TARGET_EFAULT;
8934 }
8935 ret = get_errno(statfs(path(p), &stfs));
8936 unlock_user(p, arg1, 0);
8937 convert_statfs:
8938 if (!is_error(ret)) {
8939 struct target_statfs *target_stfs;
8940
8941 if (!lock_user_struct(VERIFY_WRITE, target_stfs, arg2, 0))
8942 return -TARGET_EFAULT;
8943 __put_user(stfs.f_type, &target_stfs->f_type);
8944 __put_user(stfs.f_bsize, &target_stfs->f_bsize);
8945 __put_user(stfs.f_blocks, &target_stfs->f_blocks);
8946 __put_user(stfs.f_bfree, &target_stfs->f_bfree);
8947 __put_user(stfs.f_bavail, &target_stfs->f_bavail);
8948 __put_user(stfs.f_files, &target_stfs->f_files);
8949 __put_user(stfs.f_ffree, &target_stfs->f_ffree);
8950 __put_user(stfs.f_fsid.__val[0], &target_stfs->f_fsid.val[0]);
8951 __put_user(stfs.f_fsid.__val[1], &target_stfs->f_fsid.val[1]);
8952 __put_user(stfs.f_namelen, &target_stfs->f_namelen);
8953 __put_user(stfs.f_frsize, &target_stfs->f_frsize);
8954#ifdef _STATFS_F_FLAGS
8955 __put_user(stfs.f_flags, &target_stfs->f_flags);
8956#else
8957 __put_user(0, &target_stfs->f_flags);
8958#endif
8959 memset(target_stfs->f_spare, 0, sizeof(target_stfs->f_spare));
8960 unlock_user_struct(target_stfs, arg2, 1);
8961 }
8962 return ret;
8963#endif
8964#ifdef TARGET_NR_fstatfs
8965 case TARGET_NR_fstatfs:
8966 ret = get_errno(fstatfs(arg1, &stfs));
8967 goto convert_statfs;
8968#endif
8969#ifdef TARGET_NR_statfs64
8970 case TARGET_NR_statfs64:
8971 if (!(p = lock_user_string(arg1))) {
8972 return -TARGET_EFAULT;
8973 }
8974 ret = get_errno(statfs(path(p), &stfs));
8975 unlock_user(p, arg1, 0);
8976 convert_statfs64:
8977 if (!is_error(ret)) {
8978 struct target_statfs64 *target_stfs;
8979
8980 if (!lock_user_struct(VERIFY_WRITE, target_stfs, arg3, 0))
8981 return -TARGET_EFAULT;
8982 __put_user(stfs.f_type, &target_stfs->f_type);
8983 __put_user(stfs.f_bsize, &target_stfs->f_bsize);
8984 __put_user(stfs.f_blocks, &target_stfs->f_blocks);
8985 __put_user(stfs.f_bfree, &target_stfs->f_bfree);
8986 __put_user(stfs.f_bavail, &target_stfs->f_bavail);
8987 __put_user(stfs.f_files, &target_stfs->f_files);
8988 __put_user(stfs.f_ffree, &target_stfs->f_ffree);
8989 __put_user(stfs.f_fsid.__val[0], &target_stfs->f_fsid.val[0]);
8990 __put_user(stfs.f_fsid.__val[1], &target_stfs->f_fsid.val[1]);
8991 __put_user(stfs.f_namelen, &target_stfs->f_namelen);
8992 __put_user(stfs.f_frsize, &target_stfs->f_frsize);
8993 memset(target_stfs->f_spare, 0, sizeof(target_stfs->f_spare));
8994 unlock_user_struct(target_stfs, arg3, 1);
8995 }
8996 return ret;
8997 case TARGET_NR_fstatfs64:
8998 ret = get_errno(fstatfs(arg1, &stfs));
8999 goto convert_statfs64;
9000#endif
9001#ifdef TARGET_NR_socketcall
9002 case TARGET_NR_socketcall:
9003 return do_socketcall(arg1, arg2);
9004#endif
9005#ifdef TARGET_NR_accept
9006 case TARGET_NR_accept:
9007 return do_accept4(arg1, arg2, arg3, 0);
9008#endif
9009#ifdef TARGET_NR_accept4
9010 case TARGET_NR_accept4:
9011 return do_accept4(arg1, arg2, arg3, arg4);
9012#endif
9013#ifdef TARGET_NR_bind
9014 case TARGET_NR_bind:
9015 return do_bind(arg1, arg2, arg3);
9016#endif
9017#ifdef TARGET_NR_connect
9018 case TARGET_NR_connect:
9019 return do_connect(arg1, arg2, arg3);
9020#endif
9021#ifdef TARGET_NR_getpeername
9022 case TARGET_NR_getpeername:
9023 return do_getpeername(arg1, arg2, arg3);
9024#endif
9025#ifdef TARGET_NR_getsockname
9026 case TARGET_NR_getsockname:
9027 return do_getsockname(arg1, arg2, arg3);
9028#endif
9029#ifdef TARGET_NR_getsockopt
9030 case TARGET_NR_getsockopt:
9031 return do_getsockopt(arg1, arg2, arg3, arg4, arg5);
9032#endif
9033#ifdef TARGET_NR_listen
9034 case TARGET_NR_listen:
9035 return get_errno(listen(arg1, arg2));
9036#endif
9037#ifdef TARGET_NR_recv
9038 case TARGET_NR_recv:
9039 return do_recvfrom(arg1, arg2, arg3, arg4, 0, 0);
9040#endif
9041#ifdef TARGET_NR_recvfrom
9042 case TARGET_NR_recvfrom:
9043 return do_recvfrom(arg1, arg2, arg3, arg4, arg5, arg6);
9044#endif
9045#ifdef TARGET_NR_recvmsg
9046 case TARGET_NR_recvmsg:
9047 return do_sendrecvmsg(arg1, arg2, arg3, 0);
9048#endif
9049#ifdef TARGET_NR_send
9050 case TARGET_NR_send:
9051 return do_sendto(arg1, arg2, arg3, arg4, 0, 0);
9052#endif
9053#ifdef TARGET_NR_sendmsg
9054 case TARGET_NR_sendmsg:
9055 return do_sendrecvmsg(arg1, arg2, arg3, 1);
9056#endif
9057#ifdef TARGET_NR_sendmmsg
9058 case TARGET_NR_sendmmsg:
9059 return do_sendrecvmmsg(arg1, arg2, arg3, arg4, 1);
9060 case TARGET_NR_recvmmsg:
9061 return do_sendrecvmmsg(arg1, arg2, arg3, arg4, 0);
9062#endif
9063#ifdef TARGET_NR_sendto
9064 case TARGET_NR_sendto:
9065 return do_sendto(arg1, arg2, arg3, arg4, arg5, arg6);
9066#endif
9067#ifdef TARGET_NR_shutdown
9068 case TARGET_NR_shutdown:
9069 return get_errno(shutdown(arg1, arg2));
9070#endif
9071#if defined(TARGET_NR_getrandom) && defined(__NR_getrandom)
9072 case TARGET_NR_getrandom:
9073 p = lock_user(VERIFY_WRITE, arg1, arg2, 0);
9074 if (!p) {
9075 return -TARGET_EFAULT;
9076 }
9077 ret = get_errno(getrandom(p, arg2, arg3));
9078 unlock_user(p, arg1, ret);
9079 return ret;
9080#endif
9081#ifdef TARGET_NR_socket
9082 case TARGET_NR_socket:
9083 return do_socket(arg1, arg2, arg3);
9084#endif
9085#ifdef TARGET_NR_socketpair
9086 case TARGET_NR_socketpair:
9087 return do_socketpair(arg1, arg2, arg3, arg4);
9088#endif
9089#ifdef TARGET_NR_setsockopt
9090 case TARGET_NR_setsockopt:
9091 return do_setsockopt(arg1, arg2, arg3, arg4, (socklen_t) arg5);
9092#endif
9093#if defined(TARGET_NR_syslog)
9094 case TARGET_NR_syslog:
9095 {
9096 int len = arg2;
9097
9098 switch (arg1) {
9099 case TARGET_SYSLOG_ACTION_CLOSE:
9100 case TARGET_SYSLOG_ACTION_OPEN:
9101 case TARGET_SYSLOG_ACTION_CLEAR:
9102 case TARGET_SYSLOG_ACTION_CONSOLE_OFF:
9103 case TARGET_SYSLOG_ACTION_CONSOLE_ON:
9104 case TARGET_SYSLOG_ACTION_CONSOLE_LEVEL:
9105 case TARGET_SYSLOG_ACTION_SIZE_UNREAD:
9106 case TARGET_SYSLOG_ACTION_SIZE_BUFFER:
9107 return get_errno(sys_syslog((int)arg1, NULL, (int)arg3));
9108 case TARGET_SYSLOG_ACTION_READ:
9109 case TARGET_SYSLOG_ACTION_READ_CLEAR:
9110 case TARGET_SYSLOG_ACTION_READ_ALL:
9111 {
9112 if (len < 0) {
9113 return -TARGET_EINVAL;
9114 }
9115 if (len == 0) {
9116 return 0;
9117 }
9118 p = lock_user(VERIFY_WRITE, arg2, arg3, 0);
9119 if (!p) {
9120 return -TARGET_EFAULT;
9121 }
9122 ret = get_errno(sys_syslog((int)arg1, p, (int)arg3));
9123 unlock_user(p, arg2, arg3);
9124 }
9125 return ret;
9126 default:
9127 return -TARGET_EINVAL;
9128 }
9129 }
9130 break;
9131#endif
9132 case TARGET_NR_setitimer:
9133 {
9134 struct itimerval value, ovalue, *pvalue;
9135
9136 if (arg2) {
9137 pvalue = &value;
9138 if (copy_from_user_timeval(&pvalue->it_interval, arg2)
9139 || copy_from_user_timeval(&pvalue->it_value,
9140 arg2 + sizeof(struct target_timeval)))
9141 return -TARGET_EFAULT;
9142 } else {
9143 pvalue = NULL;
9144 }
9145 ret = get_errno(setitimer(arg1, pvalue, &ovalue));
9146 if (!is_error(ret) && arg3) {
9147 if (copy_to_user_timeval(arg3,
9148 &ovalue.it_interval)
9149 || copy_to_user_timeval(arg3 + sizeof(struct target_timeval),
9150 &ovalue.it_value))
9151 return -TARGET_EFAULT;
9152 }
9153 }
9154 return ret;
9155 case TARGET_NR_getitimer:
9156 {
9157 struct itimerval value;
9158
9159 ret = get_errno(getitimer(arg1, &value));
9160 if (!is_error(ret) && arg2) {
9161 if (copy_to_user_timeval(arg2,
9162 &value.it_interval)
9163 || copy_to_user_timeval(arg2 + sizeof(struct target_timeval),
9164 &value.it_value))
9165 return -TARGET_EFAULT;
9166 }
9167 }
9168 return ret;
9169#ifdef TARGET_NR_stat
9170 case TARGET_NR_stat:
9171 if (!(p = lock_user_string(arg1))) {
9172 return -TARGET_EFAULT;
9173 }
9174 ret = get_errno(stat(path(p), &st));
9175 unlock_user(p, arg1, 0);
9176 goto do_stat;
9177#endif
9178#ifdef TARGET_NR_lstat
9179 case TARGET_NR_lstat:
9180 if (!(p = lock_user_string(arg1))) {
9181 return -TARGET_EFAULT;
9182 }
9183 ret = get_errno(lstat(path(p), &st));
9184 unlock_user(p, arg1, 0);
9185 goto do_stat;
9186#endif
9187#ifdef TARGET_NR_fstat
9188 case TARGET_NR_fstat:
9189 {
9190 ret = get_errno(fstat(arg1, &st));
9191#if defined(TARGET_NR_stat) || defined(TARGET_NR_lstat)
9192 do_stat:
9193#endif
9194 if (!is_error(ret)) {
9195 struct target_stat *target_st;
9196
9197 if (!lock_user_struct(VERIFY_WRITE, target_st, arg2, 0))
9198 return -TARGET_EFAULT;
9199 memset(target_st, 0, sizeof(*target_st));
9200 __put_user(st.st_dev, &target_st->st_dev);
9201 __put_user(st.st_ino, &target_st->st_ino);
9202 __put_user(st.st_mode, &target_st->st_mode);
9203 __put_user(st.st_uid, &target_st->st_uid);
9204 __put_user(st.st_gid, &target_st->st_gid);
9205 __put_user(st.st_nlink, &target_st->st_nlink);
9206 __put_user(st.st_rdev, &target_st->st_rdev);
9207 __put_user(st.st_size, &target_st->st_size);
9208 __put_user(st.st_blksize, &target_st->st_blksize);
9209 __put_user(st.st_blocks, &target_st->st_blocks);
9210 __put_user(st.st_atime, &target_st->target_st_atime);
9211 __put_user(st.st_mtime, &target_st->target_st_mtime);
9212 __put_user(st.st_ctime, &target_st->target_st_ctime);
9213#if (_POSIX_C_SOURCE >= 200809L || _XOPEN_SOURCE >= 700) && \
9214 defined(TARGET_STAT_HAVE_NSEC)
9215 __put_user(st.st_atim.tv_nsec,
9216 &target_st->target_st_atime_nsec);
9217 __put_user(st.st_mtim.tv_nsec,
9218 &target_st->target_st_mtime_nsec);
9219 __put_user(st.st_ctim.tv_nsec,
9220 &target_st->target_st_ctime_nsec);
9221#endif
9222 unlock_user_struct(target_st, arg2, 1);
9223 }
9224 }
9225 return ret;
9226#endif
9227 case TARGET_NR_vhangup:
9228 return get_errno(vhangup());
9229#ifdef TARGET_NR_syscall
9230 case TARGET_NR_syscall:
9231 return do_syscall(cpu_env, arg1 & 0xffff, arg2, arg3, arg4, arg5,
9232 arg6, arg7, arg8, 0);
9233#endif
9234 case TARGET_NR_wait4:
9235 {
9236 int status;
9237 abi_long status_ptr = arg2;
9238 struct rusage rusage, *rusage_ptr;
9239 abi_ulong target_rusage = arg4;
9240 abi_long rusage_err;
9241 if (target_rusage)
9242 rusage_ptr = &rusage;
9243 else
9244 rusage_ptr = NULL;
9245 ret = get_errno(safe_wait4(arg1, &status, arg3, rusage_ptr));
9246 if (!is_error(ret)) {
9247 if (status_ptr && ret) {
9248 status = host_to_target_waitstatus(status);
9249 if (put_user_s32(status, status_ptr))
9250 return -TARGET_EFAULT;
9251 }
9252 if (target_rusage) {
9253 rusage_err = host_to_target_rusage(target_rusage, &rusage);
9254 if (rusage_err) {
9255 ret = rusage_err;
9256 }
9257 }
9258 }
9259 }
9260 return ret;
9261#ifdef TARGET_NR_swapoff
9262 case TARGET_NR_swapoff:
9263 if (!(p = lock_user_string(arg1)))
9264 return -TARGET_EFAULT;
9265 ret = get_errno(swapoff(p));
9266 unlock_user(p, arg1, 0);
9267 return ret;
9268#endif
9269 case TARGET_NR_sysinfo:
9270 {
9271 struct target_sysinfo *target_value;
9272 struct sysinfo value;
9273 ret = get_errno(sysinfo(&value));
9274 if (!is_error(ret) && arg1)
9275 {
9276 if (!lock_user_struct(VERIFY_WRITE, target_value, arg1, 0))
9277 return -TARGET_EFAULT;
9278 __put_user(value.uptime, &target_value->uptime);
9279 __put_user(value.loads[0], &target_value->loads[0]);
9280 __put_user(value.loads[1], &target_value->loads[1]);
9281 __put_user(value.loads[2], &target_value->loads[2]);
9282 __put_user(value.totalram, &target_value->totalram);
9283 __put_user(value.freeram, &target_value->freeram);
9284 __put_user(value.sharedram, &target_value->sharedram);
9285 __put_user(value.bufferram, &target_value->bufferram);
9286 __put_user(value.totalswap, &target_value->totalswap);
9287 __put_user(value.freeswap, &target_value->freeswap);
9288 __put_user(value.procs, &target_value->procs);
9289 __put_user(value.totalhigh, &target_value->totalhigh);
9290 __put_user(value.freehigh, &target_value->freehigh);
9291 __put_user(value.mem_unit, &target_value->mem_unit);
9292 unlock_user_struct(target_value, arg1, 1);
9293 }
9294 }
9295 return ret;
9296#ifdef TARGET_NR_ipc
9297 case TARGET_NR_ipc:
9298 return do_ipc(cpu_env, arg1, arg2, arg3, arg4, arg5, arg6);
9299#endif
9300#ifdef TARGET_NR_semget
9301 case TARGET_NR_semget:
9302 return get_errno(semget(arg1, arg2, arg3));
9303#endif
9304#ifdef TARGET_NR_semop
9305 case TARGET_NR_semop:
9306 return do_semop(arg1, arg2, arg3);
9307#endif
9308#ifdef TARGET_NR_semctl
9309 case TARGET_NR_semctl:
9310 return do_semctl(arg1, arg2, arg3, arg4);
9311#endif
9312#ifdef TARGET_NR_msgctl
9313 case TARGET_NR_msgctl:
9314 return do_msgctl(arg1, arg2, arg3);
9315#endif
9316#ifdef TARGET_NR_msgget
9317 case TARGET_NR_msgget:
9318 return get_errno(msgget(arg1, arg2));
9319#endif
9320#ifdef TARGET_NR_msgrcv
9321 case TARGET_NR_msgrcv:
9322 return do_msgrcv(arg1, arg2, arg3, arg4, arg5);
9323#endif
9324#ifdef TARGET_NR_msgsnd
9325 case TARGET_NR_msgsnd:
9326 return do_msgsnd(arg1, arg2, arg3, arg4);
9327#endif
9328#ifdef TARGET_NR_shmget
9329 case TARGET_NR_shmget:
9330 return get_errno(shmget(arg1, arg2, arg3));
9331#endif
9332#ifdef TARGET_NR_shmctl
9333 case TARGET_NR_shmctl:
9334 return do_shmctl(arg1, arg2, arg3);
9335#endif
9336#ifdef TARGET_NR_shmat
9337 case TARGET_NR_shmat:
9338 return do_shmat(cpu_env, arg1, arg2, arg3);
9339#endif
9340#ifdef TARGET_NR_shmdt
9341 case TARGET_NR_shmdt:
9342 return do_shmdt(arg1);
9343#endif
9344 case TARGET_NR_fsync:
9345 return get_errno(fsync(arg1));
9346 case TARGET_NR_clone:
9347
9348
9349
9350
9351
9352
9353#if defined(TARGET_MICROBLAZE)
9354 ret = get_errno(do_fork(cpu_env, arg1, arg2, arg4, arg6, arg5));
9355#elif defined(TARGET_CLONE_BACKWARDS)
9356 ret = get_errno(do_fork(cpu_env, arg1, arg2, arg3, arg4, arg5));
9357#elif defined(TARGET_CLONE_BACKWARDS2)
9358 ret = get_errno(do_fork(cpu_env, arg2, arg1, arg3, arg5, arg4));
9359#else
9360 ret = get_errno(do_fork(cpu_env, arg1, arg2, arg3, arg5, arg4));
9361#endif
9362 return ret;
9363#ifdef __NR_exit_group
9364
9365 case TARGET_NR_exit_group:
9366 preexit_cleanup(cpu_env, arg1);
9367 return get_errno(exit_group(arg1));
9368#endif
9369 case TARGET_NR_setdomainname:
9370 if (!(p = lock_user_string(arg1)))
9371 return -TARGET_EFAULT;
9372 ret = get_errno(setdomainname(p, arg2));
9373 unlock_user(p, arg1, 0);
9374 return ret;
9375 case TARGET_NR_uname:
9376
9377 {
9378 struct new_utsname * buf;
9379
9380 if (!lock_user_struct(VERIFY_WRITE, buf, arg1, 0))
9381 return -TARGET_EFAULT;
9382 ret = get_errno(sys_uname(buf));
9383 if (!is_error(ret)) {
9384
9385
9386 g_strlcpy(buf->machine, cpu_to_uname_machine(cpu_env),
9387 sizeof(buf->machine));
9388
9389 if (qemu_uname_release && *qemu_uname_release) {
9390 g_strlcpy(buf->release, qemu_uname_release,
9391 sizeof(buf->release));
9392 }
9393 }
9394 unlock_user_struct(buf, arg1, 1);
9395 }
9396 return ret;
9397#ifdef TARGET_I386
9398 case TARGET_NR_modify_ldt:
9399 return do_modify_ldt(cpu_env, arg1, arg2, arg3);
9400#if !defined(TARGET_X86_64)
9401 case TARGET_NR_vm86:
9402 return do_vm86(cpu_env, arg1, arg2);
9403#endif
9404#endif
9405 case TARGET_NR_adjtimex:
9406 {
9407 struct timex host_buf;
9408
9409 if (target_to_host_timex(&host_buf, arg1) != 0) {
9410 return -TARGET_EFAULT;
9411 }
9412 ret = get_errno(adjtimex(&host_buf));
9413 if (!is_error(ret)) {
9414 if (host_to_target_timex(arg1, &host_buf) != 0) {
9415 return -TARGET_EFAULT;
9416 }
9417 }
9418 }
9419 return ret;
9420#if defined(TARGET_NR_clock_adjtime) && defined(CONFIG_CLOCK_ADJTIME)
9421 case TARGET_NR_clock_adjtime:
9422 {
9423 struct timex htx, *phtx = &htx;
9424
9425 if (target_to_host_timex(phtx, arg2) != 0) {
9426 return -TARGET_EFAULT;
9427 }
9428 ret = get_errno(clock_adjtime(arg1, phtx));
9429 if (!is_error(ret) && phtx) {
9430 if (host_to_target_timex(arg2, phtx) != 0) {
9431 return -TARGET_EFAULT;
9432 }
9433 }
9434 }
9435 return ret;
9436#endif
9437 case TARGET_NR_getpgid:
9438 return get_errno(getpgid(arg1));
9439 case TARGET_NR_fchdir:
9440 return get_errno(fchdir(arg1));
9441 case TARGET_NR_personality:
9442 return get_errno(personality(arg1));
9443#ifdef TARGET_NR__llseek
9444 case TARGET_NR__llseek:
9445 {
9446 int64_t res;
9447#if !defined(__NR_llseek)
9448 res = lseek(arg1, ((uint64_t)arg2 << 32) | (abi_ulong)arg3, arg5);
9449 if (res == -1) {
9450 ret = get_errno(res);
9451 } else {
9452 ret = 0;
9453 }
9454#else
9455 ret = get_errno(_llseek(arg1, arg2, arg3, &res, arg5));
9456#endif
9457 if ((ret == 0) && put_user_s64(res, arg4)) {
9458 return -TARGET_EFAULT;
9459 }
9460 }
9461 return ret;
9462#endif
9463#ifdef TARGET_NR_getdents
9464 case TARGET_NR_getdents:
9465#ifdef EMULATE_GETDENTS_WITH_GETDENTS
9466#if TARGET_ABI_BITS == 32 && HOST_LONG_BITS == 64
9467 {
9468 struct target_dirent *target_dirp;
9469 struct linux_dirent *dirp;
9470 abi_long count = arg3;
9471
9472 dirp = g_try_malloc(count);
9473 if (!dirp) {
9474 return -TARGET_ENOMEM;
9475 }
9476
9477 ret = get_errno(sys_getdents(arg1, dirp, count));
9478 if (!is_error(ret)) {
9479 struct linux_dirent *de;
9480 struct target_dirent *tde;
9481 int len = ret;
9482 int reclen, treclen;
9483 int count1, tnamelen;
9484
9485 count1 = 0;
9486 de = dirp;
9487 if (!(target_dirp = lock_user(VERIFY_WRITE, arg2, count, 0)))
9488 return -TARGET_EFAULT;
9489 tde = target_dirp;
9490 while (len > 0) {
9491 reclen = de->d_reclen;
9492 tnamelen = reclen - offsetof(struct linux_dirent, d_name);
9493 assert(tnamelen >= 0);
9494 treclen = tnamelen + offsetof(struct target_dirent, d_name);
9495 assert(count1 + treclen <= count);
9496 tde->d_reclen = tswap16(treclen);
9497 tde->d_ino = tswapal(de->d_ino);
9498 tde->d_off = tswapal(de->d_off);
9499 memcpy(tde->d_name, de->d_name, tnamelen);
9500 de = (struct linux_dirent *)((char *)de + reclen);
9501 len -= reclen;
9502 tde = (struct target_dirent *)((char *)tde + treclen);
9503 count1 += treclen;
9504 }
9505 ret = count1;
9506 unlock_user(target_dirp, arg2, ret);
9507 }
9508 g_free(dirp);
9509 }
9510#else
9511 {
9512 struct linux_dirent *dirp;
9513 abi_long count = arg3;
9514
9515 if (!(dirp = lock_user(VERIFY_WRITE, arg2, count, 0)))
9516 return -TARGET_EFAULT;
9517 ret = get_errno(sys_getdents(arg1, dirp, count));
9518 if (!is_error(ret)) {
9519 struct linux_dirent *de;
9520 int len = ret;
9521 int reclen;
9522 de = dirp;
9523 while (len > 0) {
9524 reclen = de->d_reclen;
9525 if (reclen > len)
9526 break;
9527 de->d_reclen = tswap16(reclen);
9528 tswapls(&de->d_ino);
9529 tswapls(&de->d_off);
9530 de = (struct linux_dirent *)((char *)de + reclen);
9531 len -= reclen;
9532 }
9533 }
9534 unlock_user(dirp, arg2, ret);
9535 }
9536#endif
9537#else
9538
9539 {
9540 struct linux_dirent64 *dirp;
9541 abi_long count = arg3;
9542
9543 dirp = lock_user(VERIFY_WRITE, arg2, count, 0);
9544 if (!dirp) {
9545 return -TARGET_EFAULT;
9546 }
9547 ret = get_errno(sys_getdents64(arg1, dirp, count));
9548 if (!is_error(ret)) {
9549
9550
9551
9552
9553
9554 struct linux_dirent64 *de;
9555 struct target_dirent *tde;
9556 int len = ret;
9557 int tlen = 0;
9558
9559 de = dirp;
9560 tde = (struct target_dirent *)dirp;
9561 while (len > 0) {
9562 int namelen, treclen;
9563 int reclen = de->d_reclen;
9564 uint64_t ino = de->d_ino;
9565 int64_t off = de->d_off;
9566 uint8_t type = de->d_type;
9567
9568 namelen = strlen(de->d_name);
9569 treclen = offsetof(struct target_dirent, d_name)
9570 + namelen + 2;
9571 treclen = QEMU_ALIGN_UP(treclen, sizeof(abi_long));
9572
9573 memmove(tde->d_name, de->d_name, namelen + 1);
9574 tde->d_ino = tswapal(ino);
9575 tde->d_off = tswapal(off);
9576 tde->d_reclen = tswap16(treclen);
9577
9578
9579
9580 *(((char *)tde) + treclen - 1) = type;
9581
9582 de = (struct linux_dirent64 *)((char *)de + reclen);
9583 tde = (struct target_dirent *)((char *)tde + treclen);
9584 len -= reclen;
9585 tlen += treclen;
9586 }
9587 ret = tlen;
9588 }
9589 unlock_user(dirp, arg2, ret);
9590 }
9591#endif
9592 return ret;
9593#endif
9594#if defined(TARGET_NR_getdents64) && defined(__NR_getdents64)
9595 case TARGET_NR_getdents64:
9596 {
9597 struct linux_dirent64 *dirp;
9598 abi_long count = arg3;
9599 if (!(dirp = lock_user(VERIFY_WRITE, arg2, count, 0)))
9600 return -TARGET_EFAULT;
9601 ret = get_errno(sys_getdents64(arg1, dirp, count));
9602 if (!is_error(ret)) {
9603 struct linux_dirent64 *de;
9604 int len = ret;
9605 int reclen;
9606 de = dirp;
9607 while (len > 0) {
9608 reclen = de->d_reclen;
9609 if (reclen > len)
9610 break;
9611 de->d_reclen = tswap16(reclen);
9612 tswap64s((uint64_t *)&de->d_ino);
9613 tswap64s((uint64_t *)&de->d_off);
9614 de = (struct linux_dirent64 *)((char *)de + reclen);
9615 len -= reclen;
9616 }
9617 }
9618 unlock_user(dirp, arg2, ret);
9619 }
9620 return ret;
9621#endif
9622#if defined(TARGET_NR__newselect)
9623 case TARGET_NR__newselect:
9624 return do_select(arg1, arg2, arg3, arg4, arg5);
9625#endif
9626#if defined(TARGET_NR_poll) || defined(TARGET_NR_ppoll)
9627# ifdef TARGET_NR_poll
9628 case TARGET_NR_poll:
9629# endif
9630# ifdef TARGET_NR_ppoll
9631 case TARGET_NR_ppoll:
9632# endif
9633 {
9634 struct target_pollfd *target_pfd;
9635 unsigned int nfds = arg2;
9636 struct pollfd *pfd;
9637 unsigned int i;
9638
9639 pfd = NULL;
9640 target_pfd = NULL;
9641 if (nfds) {
9642 if (nfds > (INT_MAX / sizeof(struct target_pollfd))) {
9643 return -TARGET_EINVAL;
9644 }
9645
9646 target_pfd = lock_user(VERIFY_WRITE, arg1,
9647 sizeof(struct target_pollfd) * nfds, 1);
9648 if (!target_pfd) {
9649 return -TARGET_EFAULT;
9650 }
9651
9652 pfd = alloca(sizeof(struct pollfd) * nfds);
9653 for (i = 0; i < nfds; i++) {
9654 pfd[i].fd = tswap32(target_pfd[i].fd);
9655 pfd[i].events = tswap16(target_pfd[i].events);
9656 }
9657 }
9658
9659 switch (num) {
9660# ifdef TARGET_NR_ppoll
9661 case TARGET_NR_ppoll:
9662 {
9663 struct timespec _timeout_ts, *timeout_ts = &_timeout_ts;
9664 target_sigset_t *target_set;
9665 sigset_t _set, *set = &_set;
9666
9667 if (arg3) {
9668 if (target_to_host_timespec(timeout_ts, arg3)) {
9669 unlock_user(target_pfd, arg1, 0);
9670 return -TARGET_EFAULT;
9671 }
9672 } else {
9673 timeout_ts = NULL;
9674 }
9675
9676 if (arg4) {
9677 if (arg5 != sizeof(target_sigset_t)) {
9678 unlock_user(target_pfd, arg1, 0);
9679 return -TARGET_EINVAL;
9680 }
9681
9682 target_set = lock_user(VERIFY_READ, arg4, sizeof(target_sigset_t), 1);
9683 if (!target_set) {
9684 unlock_user(target_pfd, arg1, 0);
9685 return -TARGET_EFAULT;
9686 }
9687 target_to_host_sigset(set, target_set);
9688 } else {
9689 set = NULL;
9690 }
9691
9692 ret = get_errno(safe_ppoll(pfd, nfds, timeout_ts,
9693 set, SIGSET_T_SIZE));
9694
9695 if (!is_error(ret) && arg3) {
9696 host_to_target_timespec(arg3, timeout_ts);
9697 }
9698 if (arg4) {
9699 unlock_user(target_set, arg4, 0);
9700 }
9701 break;
9702 }
9703# endif
9704# ifdef TARGET_NR_poll
9705 case TARGET_NR_poll:
9706 {
9707 struct timespec ts, *pts;
9708
9709 if (arg3 >= 0) {
9710
9711 ts.tv_sec = arg3 / 1000;
9712 ts.tv_nsec = (arg3 % 1000) * 1000000LL;
9713 pts = &ts;
9714 } else {
9715
9716 pts = NULL;
9717 }
9718 ret = get_errno(safe_ppoll(pfd, nfds, pts, NULL, 0));
9719 break;
9720 }
9721# endif
9722 default:
9723 g_assert_not_reached();
9724 }
9725
9726 if (!is_error(ret)) {
9727 for(i = 0; i < nfds; i++) {
9728 target_pfd[i].revents = tswap16(pfd[i].revents);
9729 }
9730 }
9731 unlock_user(target_pfd, arg1, sizeof(struct target_pollfd) * nfds);
9732 }
9733 return ret;
9734#endif
9735 case TARGET_NR_flock:
9736
9737
9738 return get_errno(safe_flock(arg1, arg2));
9739 case TARGET_NR_readv:
9740 {
9741 struct iovec *vec = lock_iovec(VERIFY_WRITE, arg2, arg3, 0);
9742 if (vec != NULL) {
9743 ret = get_errno(safe_readv(arg1, vec, arg3));
9744 unlock_iovec(vec, arg2, arg3, 1);
9745 } else {
9746 ret = -host_to_target_errno(errno);
9747 }
9748 }
9749 return ret;
9750 case TARGET_NR_writev:
9751 {
9752 struct iovec *vec = lock_iovec(VERIFY_READ, arg2, arg3, 1);
9753 if (vec != NULL) {
9754 ret = get_errno(safe_writev(arg1, vec, arg3));
9755 unlock_iovec(vec, arg2, arg3, 0);
9756 } else {
9757 ret = -host_to_target_errno(errno);
9758 }
9759 }
9760 return ret;
9761#if defined(TARGET_NR_preadv)
9762 case TARGET_NR_preadv:
9763 {
9764 struct iovec *vec = lock_iovec(VERIFY_WRITE, arg2, arg3, 0);
9765 if (vec != NULL) {
9766 unsigned long low, high;
9767
9768 target_to_host_low_high(arg4, arg5, &low, &high);
9769 ret = get_errno(safe_preadv(arg1, vec, arg3, low, high));
9770 unlock_iovec(vec, arg2, arg3, 1);
9771 } else {
9772 ret = -host_to_target_errno(errno);
9773 }
9774 }
9775 return ret;
9776#endif
9777#if defined(TARGET_NR_pwritev)
9778 case TARGET_NR_pwritev:
9779 {
9780 struct iovec *vec = lock_iovec(VERIFY_READ, arg2, arg3, 1);
9781 if (vec != NULL) {
9782 unsigned long low, high;
9783
9784 target_to_host_low_high(arg4, arg5, &low, &high);
9785 ret = get_errno(safe_pwritev(arg1, vec, arg3, low, high));
9786 unlock_iovec(vec, arg2, arg3, 0);
9787 } else {
9788 ret = -host_to_target_errno(errno);
9789 }
9790 }
9791 return ret;
9792#endif
9793 case TARGET_NR_getsid:
9794 return get_errno(getsid(arg1));
9795#if defined(TARGET_NR_fdatasync)
9796 case TARGET_NR_fdatasync:
9797 return get_errno(fdatasync(arg1));
9798#endif
9799#ifdef TARGET_NR__sysctl
9800 case TARGET_NR__sysctl:
9801
9802
9803 return -TARGET_ENOTDIR;
9804#endif
9805 case TARGET_NR_sched_getaffinity:
9806 {
9807 unsigned int mask_size;
9808 unsigned long *mask;
9809
9810
9811
9812
9813
9814 if (arg2 & (sizeof(abi_ulong) - 1)) {
9815 return -TARGET_EINVAL;
9816 }
9817 mask_size = (arg2 + (sizeof(*mask) - 1)) & ~(sizeof(*mask) - 1);
9818
9819 mask = alloca(mask_size);
9820 memset(mask, 0, mask_size);
9821 ret = get_errno(sys_sched_getaffinity(arg1, mask_size, mask));
9822
9823 if (!is_error(ret)) {
9824 if (ret > arg2) {
9825
9826
9827
9828
9829
9830
9831
9832 int numcpus = sysconf(_SC_NPROCESSORS_CONF);
9833 if (numcpus > arg2 * 8) {
9834 return -TARGET_EINVAL;
9835 }
9836 ret = arg2;
9837 }
9838
9839 if (host_to_target_cpu_mask(mask, mask_size, arg3, ret)) {
9840 return -TARGET_EFAULT;
9841 }
9842 }
9843 }
9844 return ret;
9845 case TARGET_NR_sched_setaffinity:
9846 {
9847 unsigned int mask_size;
9848 unsigned long *mask;
9849
9850
9851
9852
9853
9854 if (arg2 & (sizeof(abi_ulong) - 1)) {
9855 return -TARGET_EINVAL;
9856 }
9857 mask_size = (arg2 + (sizeof(*mask) - 1)) & ~(sizeof(*mask) - 1);
9858 mask = alloca(mask_size);
9859
9860 ret = target_to_host_cpu_mask(mask, mask_size, arg3, arg2);
9861 if (ret) {
9862 return ret;
9863 }
9864
9865 return get_errno(sys_sched_setaffinity(arg1, mask_size, mask));
9866 }
9867 case TARGET_NR_getcpu:
9868 {
9869 unsigned cpu, node;
9870 ret = get_errno(sys_getcpu(arg1 ? &cpu : NULL,
9871 arg2 ? &node : NULL,
9872 NULL));
9873 if (is_error(ret)) {
9874 return ret;
9875 }
9876 if (arg1 && put_user_u32(cpu, arg1)) {
9877 return -TARGET_EFAULT;
9878 }
9879 if (arg2 && put_user_u32(node, arg2)) {
9880 return -TARGET_EFAULT;
9881 }
9882 }
9883 return ret;
9884 case TARGET_NR_sched_setparam:
9885 {
9886 struct sched_param *target_schp;
9887 struct sched_param schp;
9888
9889 if (arg2 == 0) {
9890 return -TARGET_EINVAL;
9891 }
9892 if (!lock_user_struct(VERIFY_READ, target_schp, arg2, 1))
9893 return -TARGET_EFAULT;
9894 schp.sched_priority = tswap32(target_schp->sched_priority);
9895 unlock_user_struct(target_schp, arg2, 0);
9896 return get_errno(sched_setparam(arg1, &schp));
9897 }
9898 case TARGET_NR_sched_getparam:
9899 {
9900 struct sched_param *target_schp;
9901 struct sched_param schp;
9902
9903 if (arg2 == 0) {
9904 return -TARGET_EINVAL;
9905 }
9906 ret = get_errno(sched_getparam(arg1, &schp));
9907 if (!is_error(ret)) {
9908 if (!lock_user_struct(VERIFY_WRITE, target_schp, arg2, 0))
9909 return -TARGET_EFAULT;
9910 target_schp->sched_priority = tswap32(schp.sched_priority);
9911 unlock_user_struct(target_schp, arg2, 1);
9912 }
9913 }
9914 return ret;
9915 case TARGET_NR_sched_setscheduler:
9916 {
9917 struct sched_param *target_schp;
9918 struct sched_param schp;
9919 if (arg3 == 0) {
9920 return -TARGET_EINVAL;
9921 }
9922 if (!lock_user_struct(VERIFY_READ, target_schp, arg3, 1))
9923 return -TARGET_EFAULT;
9924 schp.sched_priority = tswap32(target_schp->sched_priority);
9925 unlock_user_struct(target_schp, arg3, 0);
9926 return get_errno(sched_setscheduler(arg1, arg2, &schp));
9927 }
9928 case TARGET_NR_sched_getscheduler:
9929 return get_errno(sched_getscheduler(arg1));
9930 case TARGET_NR_sched_yield:
9931 return get_errno(sched_yield());
9932 case TARGET_NR_sched_get_priority_max:
9933 return get_errno(sched_get_priority_max(arg1));
9934 case TARGET_NR_sched_get_priority_min:
9935 return get_errno(sched_get_priority_min(arg1));
9936 case TARGET_NR_sched_rr_get_interval:
9937 {
9938 struct timespec ts;
9939 ret = get_errno(sched_rr_get_interval(arg1, &ts));
9940 if (!is_error(ret)) {
9941 ret = host_to_target_timespec(arg2, &ts);
9942 }
9943 }
9944 return ret;
9945 case TARGET_NR_nanosleep:
9946 {
9947 struct timespec req, rem;
9948 target_to_host_timespec(&req, arg1);
9949 ret = get_errno(safe_nanosleep(&req, &rem));
9950 if (is_error(ret) && arg2) {
9951 host_to_target_timespec(arg2, &rem);
9952 }
9953 }
9954 return ret;
9955 case TARGET_NR_prctl:
9956 switch (arg1) {
9957 case PR_GET_PDEATHSIG:
9958 {
9959 int deathsig;
9960 ret = get_errno(prctl(arg1, &deathsig, arg3, arg4, arg5));
9961 if (!is_error(ret) && arg2
9962 && put_user_ual(deathsig, arg2)) {
9963 return -TARGET_EFAULT;
9964 }
9965 return ret;
9966 }
9967#ifdef PR_GET_NAME
9968 case PR_GET_NAME:
9969 {
9970 void *name = lock_user(VERIFY_WRITE, arg2, 16, 1);
9971 if (!name) {
9972 return -TARGET_EFAULT;
9973 }
9974 ret = get_errno(prctl(arg1, (unsigned long)name,
9975 arg3, arg4, arg5));
9976 unlock_user(name, arg2, 16);
9977 return ret;
9978 }
9979 case PR_SET_NAME:
9980 {
9981 void *name = lock_user(VERIFY_READ, arg2, 16, 1);
9982 if (!name) {
9983 return -TARGET_EFAULT;
9984 }
9985 ret = get_errno(prctl(arg1, (unsigned long)name,
9986 arg3, arg4, arg5));
9987 unlock_user(name, arg2, 0);
9988 return ret;
9989 }
9990#endif
9991#ifdef TARGET_MIPS
9992 case TARGET_PR_GET_FP_MODE:
9993 {
9994 CPUMIPSState *env = ((CPUMIPSState *)cpu_env);
9995 ret = 0;
9996 if (env->CP0_Status & (1 << CP0St_FR)) {
9997 ret |= TARGET_PR_FP_MODE_FR;
9998 }
9999 if (env->CP0_Config5 & (1 << CP0C5_FRE)) {
10000 ret |= TARGET_PR_FP_MODE_FRE;
10001 }
10002 return ret;
10003 }
10004 case TARGET_PR_SET_FP_MODE:
10005 {
10006 CPUMIPSState *env = ((CPUMIPSState *)cpu_env);
10007 bool old_fr = env->CP0_Status & (1 << CP0St_FR);
10008 bool old_fre = env->CP0_Config5 & (1 << CP0C5_FRE);
10009 bool new_fr = arg2 & TARGET_PR_FP_MODE_FR;
10010 bool new_fre = arg2 & TARGET_PR_FP_MODE_FRE;
10011
10012 const unsigned int known_bits = TARGET_PR_FP_MODE_FR |
10013 TARGET_PR_FP_MODE_FRE;
10014
10015
10016 if (old_fr == new_fr && old_fre == new_fre) {
10017 return 0;
10018 }
10019
10020 if (arg2 & ~known_bits) {
10021 return -TARGET_EOPNOTSUPP;
10022 }
10023
10024 if (new_fre && !new_fr) {
10025 return -TARGET_EOPNOTSUPP;
10026 }
10027 if (new_fr && !(env->active_fpu.fcr0 & (1 << FCR0_F64))) {
10028
10029 return -TARGET_EOPNOTSUPP;
10030 }
10031 if (!new_fr && (env->active_fpu.fcr0 & (1 << FCR0_F64))
10032 && !(env->CP0_Status_rw_bitmask & (1 << CP0St_FR))) {
10033
10034 return -TARGET_EOPNOTSUPP;
10035 }
10036 if (new_fre && !(env->active_fpu.fcr0 & (1 << FCR0_FREP))) {
10037
10038 return -TARGET_EOPNOTSUPP;
10039 }
10040
10041 int i;
10042 fpr_t *fpr = env->active_fpu.fpr;
10043 for (i = 0; i < 32 ; i += 2) {
10044 if (!old_fr && new_fr) {
10045 fpr[i].w[!FP_ENDIAN_IDX] = fpr[i + 1].w[FP_ENDIAN_IDX];
10046 } else if (old_fr && !new_fr) {
10047 fpr[i + 1].w[FP_ENDIAN_IDX] = fpr[i].w[!FP_ENDIAN_IDX];
10048 }
10049 }
10050
10051 if (new_fr) {
10052 env->CP0_Status |= (1 << CP0St_FR);
10053 env->hflags |= MIPS_HFLAG_F64;
10054 } else {
10055 env->CP0_Status &= ~(1 << CP0St_FR);
10056 env->hflags &= ~MIPS_HFLAG_F64;
10057 }
10058 if (new_fre) {
10059 env->CP0_Config5 |= (1 << CP0C5_FRE);
10060 if (env->active_fpu.fcr0 & (1 << FCR0_FREP)) {
10061 env->hflags |= MIPS_HFLAG_FRE;
10062 }
10063 } else {
10064 env->CP0_Config5 &= ~(1 << CP0C5_FRE);
10065 env->hflags &= ~MIPS_HFLAG_FRE;
10066 }
10067
10068 return 0;
10069 }
10070#endif
10071#ifdef TARGET_AARCH64
10072 case TARGET_PR_SVE_SET_VL:
10073
10074
10075
10076
10077
10078
10079 ret = -TARGET_EINVAL;
10080 if (cpu_isar_feature(aa64_sve, env_archcpu(cpu_env))
10081 && arg2 >= 0 && arg2 <= 512 * 16 && !(arg2 & 15)) {
10082 CPUARMState *env = cpu_env;
10083 ARMCPU *cpu = env_archcpu(env);
10084 uint32_t vq, old_vq;
10085
10086 old_vq = (env->vfp.zcr_el[1] & 0xf) + 1;
10087 vq = MAX(arg2 / 16, 1);
10088 vq = MIN(vq, cpu->sve_max_vq);
10089
10090 if (vq < old_vq) {
10091 aarch64_sve_narrow_vq(env, vq);
10092 }
10093 env->vfp.zcr_el[1] = vq - 1;
10094 arm_rebuild_hflags(env);
10095 ret = vq * 16;
10096 }
10097 return ret;
10098 case TARGET_PR_SVE_GET_VL:
10099 ret = -TARGET_EINVAL;
10100 {
10101 ARMCPU *cpu = env_archcpu(cpu_env);
10102 if (cpu_isar_feature(aa64_sve, cpu)) {
10103 ret = ((cpu->env.vfp.zcr_el[1] & 0xf) + 1) * 16;
10104 }
10105 }
10106 return ret;
10107 case TARGET_PR_PAC_RESET_KEYS:
10108 {
10109 CPUARMState *env = cpu_env;
10110 ARMCPU *cpu = env_archcpu(env);
10111
10112 if (arg3 || arg4 || arg5) {
10113 return -TARGET_EINVAL;
10114 }
10115 if (cpu_isar_feature(aa64_pauth, cpu)) {
10116 int all = (TARGET_PR_PAC_APIAKEY | TARGET_PR_PAC_APIBKEY |
10117 TARGET_PR_PAC_APDAKEY | TARGET_PR_PAC_APDBKEY |
10118 TARGET_PR_PAC_APGAKEY);
10119 int ret = 0;
10120 Error *err = NULL;
10121
10122 if (arg2 == 0) {
10123 arg2 = all;
10124 } else if (arg2 & ~all) {
10125 return -TARGET_EINVAL;
10126 }
10127 if (arg2 & TARGET_PR_PAC_APIAKEY) {
10128 ret |= qemu_guest_getrandom(&env->keys.apia,
10129 sizeof(ARMPACKey), &err);
10130 }
10131 if (arg2 & TARGET_PR_PAC_APIBKEY) {
10132 ret |= qemu_guest_getrandom(&env->keys.apib,
10133 sizeof(ARMPACKey), &err);
10134 }
10135 if (arg2 & TARGET_PR_PAC_APDAKEY) {
10136 ret |= qemu_guest_getrandom(&env->keys.apda,
10137 sizeof(ARMPACKey), &err);
10138 }
10139 if (arg2 & TARGET_PR_PAC_APDBKEY) {
10140 ret |= qemu_guest_getrandom(&env->keys.apdb,
10141 sizeof(ARMPACKey), &err);
10142 }
10143 if (arg2 & TARGET_PR_PAC_APGAKEY) {
10144 ret |= qemu_guest_getrandom(&env->keys.apga,
10145 sizeof(ARMPACKey), &err);
10146 }
10147 if (ret != 0) {
10148
10149
10150
10151
10152
10153 qemu_log_mask(LOG_UNIMP,
10154 "PR_PAC_RESET_KEYS: Crypto failure: %s",
10155 error_get_pretty(err));
10156 error_free(err);
10157 return -TARGET_EIO;
10158 }
10159 return 0;
10160 }
10161 }
10162 return -TARGET_EINVAL;
10163#endif
10164 case PR_GET_SECCOMP:
10165 case PR_SET_SECCOMP:
10166
10167
10168 return -TARGET_EINVAL;
10169 default:
10170
10171 return get_errno(prctl(arg1, arg2, arg3, arg4, arg5));
10172 }
10173 break;
10174#ifdef TARGET_NR_arch_prctl
10175 case TARGET_NR_arch_prctl:
10176#if defined(TARGET_I386) && !defined(TARGET_ABI32)
10177 return do_arch_prctl(cpu_env, arg1, arg2);
10178#else
10179#error unreachable
10180#endif
10181#endif
10182#ifdef TARGET_NR_pread64
10183 case TARGET_NR_pread64:
10184 if (regpairs_aligned(cpu_env, num)) {
10185 arg4 = arg5;
10186 arg5 = arg6;
10187 }
10188 if (arg2 == 0 && arg3 == 0) {
10189
10190 p = 0;
10191 } else {
10192 p = lock_user(VERIFY_WRITE, arg2, arg3, 0);
10193 if (!p) {
10194 return -TARGET_EFAULT;
10195 }
10196 }
10197 ret = get_errno(pread64(arg1, p, arg3, target_offset64(arg4, arg5)));
10198 unlock_user(p, arg2, ret);
10199 return ret;
10200 case TARGET_NR_pwrite64:
10201 if (regpairs_aligned(cpu_env, num)) {
10202 arg4 = arg5;
10203 arg5 = arg6;
10204 }
10205 if (arg2 == 0 && arg3 == 0) {
10206
10207 p = 0;
10208 } else {
10209 p = lock_user(VERIFY_READ, arg2, arg3, 1);
10210 if (!p) {
10211 return -TARGET_EFAULT;
10212 }
10213 }
10214 ret = get_errno(pwrite64(arg1, p, arg3, target_offset64(arg4, arg5)));
10215 unlock_user(p, arg2, 0);
10216 return ret;
10217#endif
10218 case TARGET_NR_getcwd:
10219 if (!(p = lock_user(VERIFY_WRITE, arg1, arg2, 0)))
10220 return -TARGET_EFAULT;
10221 ret = get_errno(sys_getcwd1(p, arg2));
10222 unlock_user(p, arg1, ret);
10223 return ret;
10224 case TARGET_NR_capget:
10225 case TARGET_NR_capset:
10226 {
10227 struct target_user_cap_header *target_header;
10228 struct target_user_cap_data *target_data = NULL;
10229 struct __user_cap_header_struct header;
10230 struct __user_cap_data_struct data[2];
10231 struct __user_cap_data_struct *dataptr = NULL;
10232 int i, target_datalen;
10233 int data_items = 1;
10234
10235 if (!lock_user_struct(VERIFY_WRITE, target_header, arg1, 1)) {
10236 return -TARGET_EFAULT;
10237 }
10238 header.version = tswap32(target_header->version);
10239 header.pid = tswap32(target_header->pid);
10240
10241 if (header.version != _LINUX_CAPABILITY_VERSION) {
10242
10243 data_items = 2;
10244 }
10245
10246 target_datalen = sizeof(*target_data) * data_items;
10247
10248 if (arg2) {
10249 if (num == TARGET_NR_capget) {
10250 target_data = lock_user(VERIFY_WRITE, arg2, target_datalen, 0);
10251 } else {
10252 target_data = lock_user(VERIFY_READ, arg2, target_datalen, 1);
10253 }
10254 if (!target_data) {
10255 unlock_user_struct(target_header, arg1, 0);
10256 return -TARGET_EFAULT;
10257 }
10258
10259 if (num == TARGET_NR_capset) {
10260 for (i = 0; i < data_items; i++) {
10261 data[i].effective = tswap32(target_data[i].effective);
10262 data[i].permitted = tswap32(target_data[i].permitted);
10263 data[i].inheritable = tswap32(target_data[i].inheritable);
10264 }
10265 }
10266
10267 dataptr = data;
10268 }
10269
10270 if (num == TARGET_NR_capget) {
10271 ret = get_errno(capget(&header, dataptr));
10272 } else {
10273 ret = get_errno(capset(&header, dataptr));
10274 }
10275
10276
10277 target_header->version = tswap32(header.version);
10278 unlock_user_struct(target_header, arg1, 1);
10279
10280 if (arg2) {
10281 if (num == TARGET_NR_capget) {
10282 for (i = 0; i < data_items; i++) {
10283 target_data[i].effective = tswap32(data[i].effective);
10284 target_data[i].permitted = tswap32(data[i].permitted);
10285 target_data[i].inheritable = tswap32(data[i].inheritable);
10286 }
10287 unlock_user(target_data, arg2, target_datalen);
10288 } else {
10289 unlock_user(target_data, arg2, 0);
10290 }
10291 }
10292 return ret;
10293 }
10294 case TARGET_NR_sigaltstack:
10295 return do_sigaltstack(arg1, arg2,
10296 get_sp_from_cpustate((CPUArchState *)cpu_env));
10297
10298#ifdef CONFIG_SENDFILE
10299#ifdef TARGET_NR_sendfile
10300 case TARGET_NR_sendfile:
10301 {
10302 off_t *offp = NULL;
10303 off_t off;
10304 if (arg3) {
10305 ret = get_user_sal(off, arg3);
10306 if (is_error(ret)) {
10307 return ret;
10308 }
10309 offp = &off;
10310 }
10311 ret = get_errno(sendfile(arg1, arg2, offp, arg4));
10312 if (!is_error(ret) && arg3) {
10313 abi_long ret2 = put_user_sal(off, arg3);
10314 if (is_error(ret2)) {
10315 ret = ret2;
10316 }
10317 }
10318 return ret;
10319 }
10320#endif
10321#ifdef TARGET_NR_sendfile64
10322 case TARGET_NR_sendfile64:
10323 {
10324 off_t *offp = NULL;
10325 off_t off;
10326 if (arg3) {
10327 ret = get_user_s64(off, arg3);
10328 if (is_error(ret)) {
10329 return ret;
10330 }
10331 offp = &off;
10332 }
10333 ret = get_errno(sendfile(arg1, arg2, offp, arg4));
10334 if (!is_error(ret) && arg3) {
10335 abi_long ret2 = put_user_s64(off, arg3);
10336 if (is_error(ret2)) {
10337 ret = ret2;
10338 }
10339 }
10340 return ret;
10341 }
10342#endif
10343#endif
10344#ifdef TARGET_NR_vfork
10345 case TARGET_NR_vfork:
10346 return get_errno(do_fork(cpu_env,
10347 CLONE_VFORK | CLONE_VM | TARGET_SIGCHLD,
10348 0, 0, 0, 0));
10349#endif
10350#ifdef TARGET_NR_ugetrlimit
10351 case TARGET_NR_ugetrlimit:
10352 {
10353 struct rlimit rlim;
10354 int resource = target_to_host_resource(arg1);
10355 ret = get_errno(getrlimit(resource, &rlim));
10356 if (!is_error(ret)) {
10357 struct target_rlimit *target_rlim;
10358 if (!lock_user_struct(VERIFY_WRITE, target_rlim, arg2, 0))
10359 return -TARGET_EFAULT;
10360 target_rlim->rlim_cur = host_to_target_rlim(rlim.rlim_cur);
10361 target_rlim->rlim_max = host_to_target_rlim(rlim.rlim_max);
10362 unlock_user_struct(target_rlim, arg2, 1);
10363 }
10364 return ret;
10365 }
10366#endif
10367#ifdef TARGET_NR_truncate64
10368 case TARGET_NR_truncate64:
10369 if (!(p = lock_user_string(arg1)))
10370 return -TARGET_EFAULT;
10371 ret = target_truncate64(cpu_env, p, arg2, arg3, arg4);
10372 unlock_user(p, arg1, 0);
10373 return ret;
10374#endif
10375#ifdef TARGET_NR_ftruncate64
10376 case TARGET_NR_ftruncate64:
10377 return target_ftruncate64(cpu_env, arg1, arg2, arg3, arg4);
10378#endif
10379#ifdef TARGET_NR_stat64
10380 case TARGET_NR_stat64:
10381 if (!(p = lock_user_string(arg1))) {
10382 return -TARGET_EFAULT;
10383 }
10384 ret = get_errno(stat(path(p), &st));
10385 unlock_user(p, arg1, 0);
10386 if (!is_error(ret))
10387 ret = host_to_target_stat64(cpu_env, arg2, &st);
10388 return ret;
10389#endif
10390#ifdef TARGET_NR_lstat64
10391 case TARGET_NR_lstat64:
10392 if (!(p = lock_user_string(arg1))) {
10393 return -TARGET_EFAULT;
10394 }
10395 ret = get_errno(lstat(path(p), &st));
10396 unlock_user(p, arg1, 0);
10397 if (!is_error(ret))
10398 ret = host_to_target_stat64(cpu_env, arg2, &st);
10399 return ret;
10400#endif
10401#ifdef TARGET_NR_fstat64
10402 case TARGET_NR_fstat64:
10403 ret = get_errno(fstat(arg1, &st));
10404 if (!is_error(ret))
10405 ret = host_to_target_stat64(cpu_env, arg2, &st);
10406 return ret;
10407#endif
10408#if (defined(TARGET_NR_fstatat64) || defined(TARGET_NR_newfstatat))
10409#ifdef TARGET_NR_fstatat64
10410 case TARGET_NR_fstatat64:
10411#endif
10412#ifdef TARGET_NR_newfstatat
10413 case TARGET_NR_newfstatat:
10414#endif
10415 if (!(p = lock_user_string(arg2))) {
10416 return -TARGET_EFAULT;
10417 }
10418 ret = get_errno(fstatat(arg1, path(p), &st, arg4));
10419 unlock_user(p, arg2, 0);
10420 if (!is_error(ret))
10421 ret = host_to_target_stat64(cpu_env, arg3, &st);
10422 return ret;
10423#endif
10424#if defined(TARGET_NR_statx)
10425 case TARGET_NR_statx:
10426 {
10427 struct target_statx *target_stx;
10428 int dirfd = arg1;
10429 int flags = arg3;
10430
10431 p = lock_user_string(arg2);
10432 if (p == NULL) {
10433 return -TARGET_EFAULT;
10434 }
10435#if defined(__NR_statx)
10436 {
10437
10438
10439
10440 struct target_statx host_stx;
10441 int mask = arg4;
10442
10443 ret = get_errno(sys_statx(dirfd, p, flags, mask, &host_stx));
10444 if (!is_error(ret)) {
10445 if (host_to_target_statx(&host_stx, arg5) != 0) {
10446 unlock_user(p, arg2, 0);
10447 return -TARGET_EFAULT;
10448 }
10449 }
10450
10451 if (ret != -TARGET_ENOSYS) {
10452 unlock_user(p, arg2, 0);
10453 return ret;
10454 }
10455 }
10456#endif
10457 ret = get_errno(fstatat(dirfd, path(p), &st, flags));
10458 unlock_user(p, arg2, 0);
10459
10460 if (!is_error(ret)) {
10461 if (!lock_user_struct(VERIFY_WRITE, target_stx, arg5, 0)) {
10462 return -TARGET_EFAULT;
10463 }
10464 memset(target_stx, 0, sizeof(*target_stx));
10465 __put_user(major(st.st_dev), &target_stx->stx_dev_major);
10466 __put_user(minor(st.st_dev), &target_stx->stx_dev_minor);
10467 __put_user(st.st_ino, &target_stx->stx_ino);
10468 __put_user(st.st_mode, &target_stx->stx_mode);
10469 __put_user(st.st_uid, &target_stx->stx_uid);
10470 __put_user(st.st_gid, &target_stx->stx_gid);
10471 __put_user(st.st_nlink, &target_stx->stx_nlink);
10472 __put_user(major(st.st_rdev), &target_stx->stx_rdev_major);
10473 __put_user(minor(st.st_rdev), &target_stx->stx_rdev_minor);
10474 __put_user(st.st_size, &target_stx->stx_size);
10475 __put_user(st.st_blksize, &target_stx->stx_blksize);
10476 __put_user(st.st_blocks, &target_stx->stx_blocks);
10477 __put_user(st.st_atime, &target_stx->stx_atime.tv_sec);
10478 __put_user(st.st_mtime, &target_stx->stx_mtime.tv_sec);
10479 __put_user(st.st_ctime, &target_stx->stx_ctime.tv_sec);
10480 unlock_user_struct(target_stx, arg5, 1);
10481 }
10482 }
10483 return ret;
10484#endif
10485#ifdef TARGET_NR_lchown
10486 case TARGET_NR_lchown:
10487 if (!(p = lock_user_string(arg1)))
10488 return -TARGET_EFAULT;
10489 ret = get_errno(lchown(p, low2highuid(arg2), low2highgid(arg3)));
10490 unlock_user(p, arg1, 0);
10491 return ret;
10492#endif
10493#ifdef TARGET_NR_getuid
10494 case TARGET_NR_getuid:
10495 return get_errno(high2lowuid(getuid()));
10496#endif
10497#ifdef TARGET_NR_getgid
10498 case TARGET_NR_getgid:
10499 return get_errno(high2lowgid(getgid()));
10500#endif
10501#ifdef TARGET_NR_geteuid
10502 case TARGET_NR_geteuid:
10503 return get_errno(high2lowuid(geteuid()));
10504#endif
10505#ifdef TARGET_NR_getegid
10506 case TARGET_NR_getegid:
10507 return get_errno(high2lowgid(getegid()));
10508#endif
10509 case TARGET_NR_setreuid:
10510 return get_errno(setreuid(low2highuid(arg1), low2highuid(arg2)));
10511 case TARGET_NR_setregid:
10512 return get_errno(setregid(low2highgid(arg1), low2highgid(arg2)));
10513 case TARGET_NR_getgroups:
10514 {
10515 int gidsetsize = arg1;
10516 target_id *target_grouplist;
10517 gid_t *grouplist;
10518 int i;
10519
10520 grouplist = alloca(gidsetsize * sizeof(gid_t));
10521 ret = get_errno(getgroups(gidsetsize, grouplist));
10522 if (gidsetsize == 0)
10523 return ret;
10524 if (!is_error(ret)) {
10525 target_grouplist = lock_user(VERIFY_WRITE, arg2, gidsetsize * sizeof(target_id), 0);
10526 if (!target_grouplist)
10527 return -TARGET_EFAULT;
10528 for(i = 0;i < ret; i++)
10529 target_grouplist[i] = tswapid(high2lowgid(grouplist[i]));
10530 unlock_user(target_grouplist, arg2, gidsetsize * sizeof(target_id));
10531 }
10532 }
10533 return ret;
10534 case TARGET_NR_setgroups:
10535 {
10536 int gidsetsize = arg1;
10537 target_id *target_grouplist;
10538 gid_t *grouplist = NULL;
10539 int i;
10540 if (gidsetsize) {
10541 grouplist = alloca(gidsetsize * sizeof(gid_t));
10542 target_grouplist = lock_user(VERIFY_READ, arg2, gidsetsize * sizeof(target_id), 1);
10543 if (!target_grouplist) {
10544 return -TARGET_EFAULT;
10545 }
10546 for (i = 0; i < gidsetsize; i++) {
10547 grouplist[i] = low2highgid(tswapid(target_grouplist[i]));
10548 }
10549 unlock_user(target_grouplist, arg2, 0);
10550 }
10551 return get_errno(setgroups(gidsetsize, grouplist));
10552 }
10553 case TARGET_NR_fchown:
10554 return get_errno(fchown(arg1, low2highuid(arg2), low2highgid(arg3)));
10555#if defined(TARGET_NR_fchownat)
10556 case TARGET_NR_fchownat:
10557 if (!(p = lock_user_string(arg2)))
10558 return -TARGET_EFAULT;
10559 ret = get_errno(fchownat(arg1, p, low2highuid(arg3),
10560 low2highgid(arg4), arg5));
10561 unlock_user(p, arg2, 0);
10562 return ret;
10563#endif
10564#ifdef TARGET_NR_setresuid
10565 case TARGET_NR_setresuid:
10566 return get_errno(sys_setresuid(low2highuid(arg1),
10567 low2highuid(arg2),
10568 low2highuid(arg3)));
10569#endif
10570#ifdef TARGET_NR_getresuid
10571 case TARGET_NR_getresuid:
10572 {
10573 uid_t ruid, euid, suid;
10574 ret = get_errno(getresuid(&ruid, &euid, &suid));
10575 if (!is_error(ret)) {
10576 if (put_user_id(high2lowuid(ruid), arg1)
10577 || put_user_id(high2lowuid(euid), arg2)
10578 || put_user_id(high2lowuid(suid), arg3))
10579 return -TARGET_EFAULT;
10580 }
10581 }
10582 return ret;
10583#endif
10584#ifdef TARGET_NR_getresgid
10585 case TARGET_NR_setresgid:
10586 return get_errno(sys_setresgid(low2highgid(arg1),
10587 low2highgid(arg2),
10588 low2highgid(arg3)));
10589#endif
10590#ifdef TARGET_NR_getresgid
10591 case TARGET_NR_getresgid:
10592 {
10593 gid_t rgid, egid, sgid;
10594 ret = get_errno(getresgid(&rgid, &egid, &sgid));
10595 if (!is_error(ret)) {
10596 if (put_user_id(high2lowgid(rgid), arg1)
10597 || put_user_id(high2lowgid(egid), arg2)
10598 || put_user_id(high2lowgid(sgid), arg3))
10599 return -TARGET_EFAULT;
10600 }
10601 }
10602 return ret;
10603#endif
10604#ifdef TARGET_NR_chown
10605 case TARGET_NR_chown:
10606 if (!(p = lock_user_string(arg1)))
10607 return -TARGET_EFAULT;
10608 ret = get_errno(chown(p, low2highuid(arg2), low2highgid(arg3)));
10609 unlock_user(p, arg1, 0);
10610 return ret;
10611#endif
10612 case TARGET_NR_setuid:
10613 return get_errno(sys_setuid(low2highuid(arg1)));
10614 case TARGET_NR_setgid:
10615 return get_errno(sys_setgid(low2highgid(arg1)));
10616 case TARGET_NR_setfsuid:
10617 return get_errno(setfsuid(arg1));
10618 case TARGET_NR_setfsgid:
10619 return get_errno(setfsgid(arg1));
10620
10621#ifdef TARGET_NR_lchown32
10622 case TARGET_NR_lchown32:
10623 if (!(p = lock_user_string(arg1)))
10624 return -TARGET_EFAULT;
10625 ret = get_errno(lchown(p, arg2, arg3));
10626 unlock_user(p, arg1, 0);
10627 return ret;
10628#endif
10629#ifdef TARGET_NR_getuid32
10630 case TARGET_NR_getuid32:
10631 return get_errno(getuid());
10632#endif
10633
10634#if defined(TARGET_NR_getxuid) && defined(TARGET_ALPHA)
10635
10636 case TARGET_NR_getxuid:
10637 {
10638 uid_t euid;
10639 euid=geteuid();
10640 ((CPUAlphaState *)cpu_env)->ir[IR_A4]=euid;
10641 }
10642 return get_errno(getuid());
10643#endif
10644#if defined(TARGET_NR_getxgid) && defined(TARGET_ALPHA)
10645
10646 case TARGET_NR_getxgid:
10647 {
10648 uid_t egid;
10649 egid=getegid();
10650 ((CPUAlphaState *)cpu_env)->ir[IR_A4]=egid;
10651 }
10652 return get_errno(getgid());
10653#endif
10654#if defined(TARGET_NR_osf_getsysinfo) && defined(TARGET_ALPHA)
10655
10656 case TARGET_NR_osf_getsysinfo:
10657 ret = -TARGET_EOPNOTSUPP;
10658 switch (arg1) {
10659 case TARGET_GSI_IEEE_FP_CONTROL:
10660 {
10661 uint64_t fpcr = cpu_alpha_load_fpcr(cpu_env);
10662 uint64_t swcr = ((CPUAlphaState *)cpu_env)->swcr;
10663
10664 swcr &= ~SWCR_STATUS_MASK;
10665 swcr |= (fpcr >> 35) & SWCR_STATUS_MASK;
10666
10667 if (put_user_u64 (swcr, arg2))
10668 return -TARGET_EFAULT;
10669 ret = 0;
10670 }
10671 break;
10672
10673
10674
10675
10676
10677
10678
10679
10680
10681
10682 }
10683 return ret;
10684#endif
10685#if defined(TARGET_NR_osf_setsysinfo) && defined(TARGET_ALPHA)
10686
10687 case TARGET_NR_osf_setsysinfo:
10688 ret = -TARGET_EOPNOTSUPP;
10689 switch (arg1) {
10690 case TARGET_SSI_IEEE_FP_CONTROL:
10691 {
10692 uint64_t swcr, fpcr;
10693
10694 if (get_user_u64 (swcr, arg2)) {
10695 return -TARGET_EFAULT;
10696 }
10697
10698
10699
10700
10701
10702
10703
10704 ((CPUAlphaState *)cpu_env)->swcr
10705 = swcr & (SWCR_TRAP_ENABLE_MASK | SWCR_MAP_MASK);
10706
10707 fpcr = cpu_alpha_load_fpcr(cpu_env);
10708 fpcr &= ((uint64_t)FPCR_DYN_MASK << 32);
10709 fpcr |= alpha_ieee_swcr_to_fpcr(swcr);
10710 cpu_alpha_store_fpcr(cpu_env, fpcr);
10711 ret = 0;
10712 }
10713 break;
10714
10715 case TARGET_SSI_IEEE_RAISE_EXCEPTION:
10716 {
10717 uint64_t exc, fpcr, fex;
10718
10719 if (get_user_u64(exc, arg2)) {
10720 return -TARGET_EFAULT;
10721 }
10722 exc &= SWCR_STATUS_MASK;
10723 fpcr = cpu_alpha_load_fpcr(cpu_env);
10724
10725
10726 fex = alpha_ieee_fpcr_to_swcr(fpcr);
10727 fex = exc & ~fex;
10728 fex >>= SWCR_STATUS_TO_EXCSUM_SHIFT;
10729 fex &= ((CPUArchState *)cpu_env)->swcr;
10730
10731
10732 fpcr |= alpha_ieee_swcr_to_fpcr(exc);
10733 cpu_alpha_store_fpcr(cpu_env, fpcr);
10734
10735 if (fex) {
10736 int si_code = TARGET_FPE_FLTUNK;
10737 target_siginfo_t info;
10738
10739 if (fex & SWCR_TRAP_ENABLE_DNO) {
10740 si_code = TARGET_FPE_FLTUND;
10741 }
10742 if (fex & SWCR_TRAP_ENABLE_INE) {
10743 si_code = TARGET_FPE_FLTRES;
10744 }
10745 if (fex & SWCR_TRAP_ENABLE_UNF) {
10746 si_code = TARGET_FPE_FLTUND;
10747 }
10748 if (fex & SWCR_TRAP_ENABLE_OVF) {
10749 si_code = TARGET_FPE_FLTOVF;
10750 }
10751 if (fex & SWCR_TRAP_ENABLE_DZE) {
10752 si_code = TARGET_FPE_FLTDIV;
10753 }
10754 if (fex & SWCR_TRAP_ENABLE_INV) {
10755 si_code = TARGET_FPE_FLTINV;
10756 }
10757
10758 info.si_signo = SIGFPE;
10759 info.si_errno = 0;
10760 info.si_code = si_code;
10761 info._sifields._sigfault._addr
10762 = ((CPUArchState *)cpu_env)->pc;
10763 queue_signal((CPUArchState *)cpu_env, info.si_signo,
10764 QEMU_SI_FAULT, &info);
10765 }
10766 ret = 0;
10767 }
10768 break;
10769
10770
10771
10772
10773
10774
10775
10776 }
10777 return ret;
10778#endif
10779#ifdef TARGET_NR_osf_sigprocmask
10780
10781 case TARGET_NR_osf_sigprocmask:
10782 {
10783 abi_ulong mask;
10784 int how;
10785 sigset_t set, oldset;
10786
10787 switch(arg1) {
10788 case TARGET_SIG_BLOCK:
10789 how = SIG_BLOCK;
10790 break;
10791 case TARGET_SIG_UNBLOCK:
10792 how = SIG_UNBLOCK;
10793 break;
10794 case TARGET_SIG_SETMASK:
10795 how = SIG_SETMASK;
10796 break;
10797 default:
10798 return -TARGET_EINVAL;
10799 }
10800 mask = arg2;
10801 target_to_host_old_sigset(&set, &mask);
10802 ret = do_sigprocmask(how, &set, &oldset);
10803 if (!ret) {
10804 host_to_target_old_sigset(&mask, &oldset);
10805 ret = mask;
10806 }
10807 }
10808 return ret;
10809#endif
10810
10811#ifdef TARGET_NR_getgid32
10812 case TARGET_NR_getgid32:
10813 return get_errno(getgid());
10814#endif
10815#ifdef TARGET_NR_geteuid32
10816 case TARGET_NR_geteuid32:
10817 return get_errno(geteuid());
10818#endif
10819#ifdef TARGET_NR_getegid32
10820 case TARGET_NR_getegid32:
10821 return get_errno(getegid());
10822#endif
10823#ifdef TARGET_NR_setreuid32
10824 case TARGET_NR_setreuid32:
10825 return get_errno(setreuid(arg1, arg2));
10826#endif
10827#ifdef TARGET_NR_setregid32
10828 case TARGET_NR_setregid32:
10829 return get_errno(setregid(arg1, arg2));
10830#endif
10831#ifdef TARGET_NR_getgroups32
10832 case TARGET_NR_getgroups32:
10833 {
10834 int gidsetsize = arg1;
10835 uint32_t *target_grouplist;
10836 gid_t *grouplist;
10837 int i;
10838
10839 grouplist = alloca(gidsetsize * sizeof(gid_t));
10840 ret = get_errno(getgroups(gidsetsize, grouplist));
10841 if (gidsetsize == 0)
10842 return ret;
10843 if (!is_error(ret)) {
10844 target_grouplist = lock_user(VERIFY_WRITE, arg2, gidsetsize * 4, 0);
10845 if (!target_grouplist) {
10846 return -TARGET_EFAULT;
10847 }
10848 for(i = 0;i < ret; i++)
10849 target_grouplist[i] = tswap32(grouplist[i]);
10850 unlock_user(target_grouplist, arg2, gidsetsize * 4);
10851 }
10852 }
10853 return ret;
10854#endif
10855#ifdef TARGET_NR_setgroups32
10856 case TARGET_NR_setgroups32:
10857 {
10858 int gidsetsize = arg1;
10859 uint32_t *target_grouplist;
10860 gid_t *grouplist;
10861 int i;
10862
10863 grouplist = alloca(gidsetsize * sizeof(gid_t));
10864 target_grouplist = lock_user(VERIFY_READ, arg2, gidsetsize * 4, 1);
10865 if (!target_grouplist) {
10866 return -TARGET_EFAULT;
10867 }
10868 for(i = 0;i < gidsetsize; i++)
10869 grouplist[i] = tswap32(target_grouplist[i]);
10870 unlock_user(target_grouplist, arg2, 0);
10871 return get_errno(setgroups(gidsetsize, grouplist));
10872 }
10873#endif
10874#ifdef TARGET_NR_fchown32
10875 case TARGET_NR_fchown32:
10876 return get_errno(fchown(arg1, arg2, arg3));
10877#endif
10878#ifdef TARGET_NR_setresuid32
10879 case TARGET_NR_setresuid32:
10880 return get_errno(sys_setresuid(arg1, arg2, arg3));
10881#endif
10882#ifdef TARGET_NR_getresuid32
10883 case TARGET_NR_getresuid32:
10884 {
10885 uid_t ruid, euid, suid;
10886 ret = get_errno(getresuid(&ruid, &euid, &suid));
10887 if (!is_error(ret)) {
10888 if (put_user_u32(ruid, arg1)
10889 || put_user_u32(euid, arg2)
10890 || put_user_u32(suid, arg3))
10891 return -TARGET_EFAULT;
10892 }
10893 }
10894 return ret;
10895#endif
10896#ifdef TARGET_NR_setresgid32
10897 case TARGET_NR_setresgid32:
10898 return get_errno(sys_setresgid(arg1, arg2, arg3));
10899#endif
10900#ifdef TARGET_NR_getresgid32
10901 case TARGET_NR_getresgid32:
10902 {
10903 gid_t rgid, egid, sgid;
10904 ret = get_errno(getresgid(&rgid, &egid, &sgid));
10905 if (!is_error(ret)) {
10906 if (put_user_u32(rgid, arg1)
10907 || put_user_u32(egid, arg2)
10908 || put_user_u32(sgid, arg3))
10909 return -TARGET_EFAULT;
10910 }
10911 }
10912 return ret;
10913#endif
10914#ifdef TARGET_NR_chown32
10915 case TARGET_NR_chown32:
10916 if (!(p = lock_user_string(arg1)))
10917 return -TARGET_EFAULT;
10918 ret = get_errno(chown(p, arg2, arg3));
10919 unlock_user(p, arg1, 0);
10920 return ret;
10921#endif
10922#ifdef TARGET_NR_setuid32
10923 case TARGET_NR_setuid32:
10924 return get_errno(sys_setuid(arg1));
10925#endif
10926#ifdef TARGET_NR_setgid32
10927 case TARGET_NR_setgid32:
10928 return get_errno(sys_setgid(arg1));
10929#endif
10930#ifdef TARGET_NR_setfsuid32
10931 case TARGET_NR_setfsuid32:
10932 return get_errno(setfsuid(arg1));
10933#endif
10934#ifdef TARGET_NR_setfsgid32
10935 case TARGET_NR_setfsgid32:
10936 return get_errno(setfsgid(arg1));
10937#endif
10938#ifdef TARGET_NR_mincore
10939 case TARGET_NR_mincore:
10940 {
10941 void *a = lock_user(VERIFY_READ, arg1, arg2, 0);
10942 if (!a) {
10943 return -TARGET_ENOMEM;
10944 }
10945 p = lock_user_string(arg3);
10946 if (!p) {
10947 ret = -TARGET_EFAULT;
10948 } else {
10949 ret = get_errno(mincore(a, arg2, p));
10950 unlock_user(p, arg3, ret);
10951 }
10952 unlock_user(a, arg1, 0);
10953 }
10954 return ret;
10955#endif
10956#ifdef TARGET_NR_arm_fadvise64_64
10957 case TARGET_NR_arm_fadvise64_64:
10958
10959
10960
10961
10962
10963
10964 ret = posix_fadvise(arg1, target_offset64(arg3, arg4),
10965 target_offset64(arg5, arg6), arg2);
10966 return -host_to_target_errno(ret);
10967#endif
10968
10969#if TARGET_ABI_BITS == 32
10970
10971#ifdef TARGET_NR_fadvise64_64
10972 case TARGET_NR_fadvise64_64:
10973#if defined(TARGET_PPC) || defined(TARGET_XTENSA)
10974
10975 ret = arg2;
10976 arg2 = arg3;
10977 arg3 = arg4;
10978 arg4 = arg5;
10979 arg5 = arg6;
10980 arg6 = ret;
10981#else
10982
10983 if (regpairs_aligned(cpu_env, num)) {
10984
10985 arg2 = arg3;
10986 arg3 = arg4;
10987 arg4 = arg5;
10988 arg5 = arg6;
10989 arg6 = arg7;
10990 }
10991#endif
10992 ret = posix_fadvise(arg1, target_offset64(arg2, arg3),
10993 target_offset64(arg4, arg5), arg6);
10994 return -host_to_target_errno(ret);
10995#endif
10996
10997#ifdef TARGET_NR_fadvise64
10998 case TARGET_NR_fadvise64:
10999
11000 if (regpairs_aligned(cpu_env, num)) {
11001
11002 arg2 = arg3;
11003 arg3 = arg4;
11004 arg4 = arg5;
11005 arg5 = arg6;
11006 }
11007 ret = posix_fadvise(arg1, target_offset64(arg2, arg3), arg4, arg5);
11008 return -host_to_target_errno(ret);
11009#endif
11010
11011#else
11012#if defined(TARGET_NR_fadvise64_64) || defined(TARGET_NR_fadvise64)
11013#ifdef TARGET_NR_fadvise64_64
11014 case TARGET_NR_fadvise64_64:
11015#endif
11016#ifdef TARGET_NR_fadvise64
11017 case TARGET_NR_fadvise64:
11018#endif
11019#ifdef TARGET_S390X
11020 switch (arg4) {
11021 case 4: arg4 = POSIX_FADV_NOREUSE + 1; break;
11022 case 5: arg4 = POSIX_FADV_NOREUSE + 2; break;
11023 case 6: arg4 = POSIX_FADV_DONTNEED; break;
11024 case 7: arg4 = POSIX_FADV_NOREUSE; break;
11025 default: break;
11026 }
11027#endif
11028 return -host_to_target_errno(posix_fadvise(arg1, arg2, arg3, arg4));
11029#endif
11030#endif
11031
11032#ifdef TARGET_NR_madvise
11033 case TARGET_NR_madvise:
11034
11035
11036
11037
11038 return 0;
11039#endif
11040#if TARGET_ABI_BITS == 32
11041 case TARGET_NR_fcntl64:
11042 {
11043 int cmd;
11044 struct flock64 fl;
11045 from_flock64_fn *copyfrom = copy_from_user_flock64;
11046 to_flock64_fn *copyto = copy_to_user_flock64;
11047
11048#ifdef TARGET_ARM
11049 if (!((CPUARMState *)cpu_env)->eabi) {
11050 copyfrom = copy_from_user_oabi_flock64;
11051 copyto = copy_to_user_oabi_flock64;
11052 }
11053#endif
11054
11055 cmd = target_to_host_fcntl_cmd(arg2);
11056 if (cmd == -TARGET_EINVAL) {
11057 return cmd;
11058 }
11059
11060 switch(arg2) {
11061 case TARGET_F_GETLK64:
11062 ret = copyfrom(&fl, arg3);
11063 if (ret) {
11064 break;
11065 }
11066 ret = get_errno(safe_fcntl(arg1, cmd, &fl));
11067 if (ret == 0) {
11068 ret = copyto(arg3, &fl);
11069 }
11070 break;
11071
11072 case TARGET_F_SETLK64:
11073 case TARGET_F_SETLKW64:
11074 ret = copyfrom(&fl, arg3);
11075 if (ret) {
11076 break;
11077 }
11078 ret = get_errno(safe_fcntl(arg1, cmd, &fl));
11079 break;
11080 default:
11081 ret = do_fcntl(arg1, arg2, arg3);
11082 break;
11083 }
11084 return ret;
11085 }
11086#endif
11087#ifdef TARGET_NR_cacheflush
11088 case TARGET_NR_cacheflush:
11089
11090 return 0;
11091#endif
11092#ifdef TARGET_NR_getpagesize
11093 case TARGET_NR_getpagesize:
11094 return TARGET_PAGE_SIZE;
11095#endif
11096 case TARGET_NR_gettid:
11097 return get_errno(sys_gettid());
11098#ifdef TARGET_NR_readahead
11099 case TARGET_NR_readahead:
11100#if TARGET_ABI_BITS == 32
11101 if (regpairs_aligned(cpu_env, num)) {
11102 arg2 = arg3;
11103 arg3 = arg4;
11104 arg4 = arg5;
11105 }
11106 ret = get_errno(readahead(arg1, target_offset64(arg2, arg3) , arg4));
11107#else
11108 ret = get_errno(readahead(arg1, arg2, arg3));
11109#endif
11110 return ret;
11111#endif
11112#ifdef CONFIG_ATTR
11113#ifdef TARGET_NR_setxattr
11114 case TARGET_NR_listxattr:
11115 case TARGET_NR_llistxattr:
11116 {
11117 void *p, *b = 0;
11118 if (arg2) {
11119 b = lock_user(VERIFY_WRITE, arg2, arg3, 0);
11120 if (!b) {
11121 return -TARGET_EFAULT;
11122 }
11123 }
11124 p = lock_user_string(arg1);
11125 if (p) {
11126 if (num == TARGET_NR_listxattr) {
11127 ret = get_errno(listxattr(p, b, arg3));
11128 } else {
11129 ret = get_errno(llistxattr(p, b, arg3));
11130 }
11131 } else {
11132 ret = -TARGET_EFAULT;
11133 }
11134 unlock_user(p, arg1, 0);
11135 unlock_user(b, arg2, arg3);
11136 return ret;
11137 }
11138 case TARGET_NR_flistxattr:
11139 {
11140 void *b = 0;
11141 if (arg2) {
11142 b = lock_user(VERIFY_WRITE, arg2, arg3, 0);
11143 if (!b) {
11144 return -TARGET_EFAULT;
11145 }
11146 }
11147 ret = get_errno(flistxattr(arg1, b, arg3));
11148 unlock_user(b, arg2, arg3);
11149 return ret;
11150 }
11151 case TARGET_NR_setxattr:
11152 case TARGET_NR_lsetxattr:
11153 {
11154 void *p, *n, *v = 0;
11155 if (arg3) {
11156 v = lock_user(VERIFY_READ, arg3, arg4, 1);
11157 if (!v) {
11158 return -TARGET_EFAULT;
11159 }
11160 }
11161 p = lock_user_string(arg1);
11162 n = lock_user_string(arg2);
11163 if (p && n) {
11164 if (num == TARGET_NR_setxattr) {
11165 ret = get_errno(setxattr(p, n, v, arg4, arg5));
11166 } else {
11167 ret = get_errno(lsetxattr(p, n, v, arg4, arg5));
11168 }
11169 } else {
11170 ret = -TARGET_EFAULT;
11171 }
11172 unlock_user(p, arg1, 0);
11173 unlock_user(n, arg2, 0);
11174 unlock_user(v, arg3, 0);
11175 }
11176 return ret;
11177 case TARGET_NR_fsetxattr:
11178 {
11179 void *n, *v = 0;
11180 if (arg3) {
11181 v = lock_user(VERIFY_READ, arg3, arg4, 1);
11182 if (!v) {
11183 return -TARGET_EFAULT;
11184 }
11185 }
11186 n = lock_user_string(arg2);
11187 if (n) {
11188 ret = get_errno(fsetxattr(arg1, n, v, arg4, arg5));
11189 } else {
11190 ret = -TARGET_EFAULT;
11191 }
11192 unlock_user(n, arg2, 0);
11193 unlock_user(v, arg3, 0);
11194 }
11195 return ret;
11196 case TARGET_NR_getxattr:
11197 case TARGET_NR_lgetxattr:
11198 {
11199 void *p, *n, *v = 0;
11200 if (arg3) {
11201 v = lock_user(VERIFY_WRITE, arg3, arg4, 0);
11202 if (!v) {
11203 return -TARGET_EFAULT;
11204 }
11205 }
11206 p = lock_user_string(arg1);
11207 n = lock_user_string(arg2);
11208 if (p && n) {
11209 if (num == TARGET_NR_getxattr) {
11210 ret = get_errno(getxattr(p, n, v, arg4));
11211 } else {
11212 ret = get_errno(lgetxattr(p, n, v, arg4));
11213 }
11214 } else {
11215 ret = -TARGET_EFAULT;
11216 }
11217 unlock_user(p, arg1, 0);
11218 unlock_user(n, arg2, 0);
11219 unlock_user(v, arg3, arg4);
11220 }
11221 return ret;
11222 case TARGET_NR_fgetxattr:
11223 {
11224 void *n, *v = 0;
11225 if (arg3) {
11226 v = lock_user(VERIFY_WRITE, arg3, arg4, 0);
11227 if (!v) {
11228 return -TARGET_EFAULT;
11229 }
11230 }
11231 n = lock_user_string(arg2);
11232 if (n) {
11233 ret = get_errno(fgetxattr(arg1, n, v, arg4));
11234 } else {
11235 ret = -TARGET_EFAULT;
11236 }
11237 unlock_user(n, arg2, 0);
11238 unlock_user(v, arg3, arg4);
11239 }
11240 return ret;
11241 case TARGET_NR_removexattr:
11242 case TARGET_NR_lremovexattr:
11243 {
11244 void *p, *n;
11245 p = lock_user_string(arg1);
11246 n = lock_user_string(arg2);
11247 if (p && n) {
11248 if (num == TARGET_NR_removexattr) {
11249 ret = get_errno(removexattr(p, n));
11250 } else {
11251 ret = get_errno(lremovexattr(p, n));
11252 }
11253 } else {
11254 ret = -TARGET_EFAULT;
11255 }
11256 unlock_user(p, arg1, 0);
11257 unlock_user(n, arg2, 0);
11258 }
11259 return ret;
11260 case TARGET_NR_fremovexattr:
11261 {
11262 void *n;
11263 n = lock_user_string(arg2);
11264 if (n) {
11265 ret = get_errno(fremovexattr(arg1, n));
11266 } else {
11267 ret = -TARGET_EFAULT;
11268 }
11269 unlock_user(n, arg2, 0);
11270 }
11271 return ret;
11272#endif
11273#endif
11274#ifdef TARGET_NR_set_thread_area
11275 case TARGET_NR_set_thread_area:
11276#if defined(TARGET_MIPS)
11277 ((CPUMIPSState *) cpu_env)->active_tc.CP0_UserLocal = arg1;
11278 return 0;
11279#elif defined(TARGET_CRIS)
11280 if (arg1 & 0xff)
11281 ret = -TARGET_EINVAL;
11282 else {
11283 ((CPUCRISState *) cpu_env)->pregs[PR_PID] = arg1;
11284 ret = 0;
11285 }
11286 return ret;
11287#elif defined(TARGET_I386) && defined(TARGET_ABI32)
11288 return do_set_thread_area(cpu_env, arg1);
11289#elif defined(TARGET_M68K)
11290 {
11291 TaskState *ts = cpu->opaque;
11292 ts->tp_value = arg1;
11293 return 0;
11294 }
11295#else
11296 return -TARGET_ENOSYS;
11297#endif
11298#endif
11299#ifdef TARGET_NR_get_thread_area
11300 case TARGET_NR_get_thread_area:
11301#if defined(TARGET_I386) && defined(TARGET_ABI32)
11302 return do_get_thread_area(cpu_env, arg1);
11303#elif defined(TARGET_M68K)
11304 {
11305 TaskState *ts = cpu->opaque;
11306 return ts->tp_value;
11307 }
11308#else
11309 return -TARGET_ENOSYS;
11310#endif
11311#endif
11312#ifdef TARGET_NR_getdomainname
11313 case TARGET_NR_getdomainname:
11314 return -TARGET_ENOSYS;
11315#endif
11316
11317#ifdef TARGET_NR_clock_settime
11318 case TARGET_NR_clock_settime:
11319 {
11320 struct timespec ts;
11321
11322 ret = target_to_host_timespec(&ts, arg2);
11323 if (!is_error(ret)) {
11324 ret = get_errno(clock_settime(arg1, &ts));
11325 }
11326 return ret;
11327 }
11328#endif
11329#ifdef TARGET_NR_clock_gettime
11330 case TARGET_NR_clock_gettime:
11331 {
11332 struct timespec ts;
11333 ret = get_errno(clock_gettime(arg1, &ts));
11334 if (!is_error(ret)) {
11335 ret = host_to_target_timespec(arg2, &ts);
11336 }
11337 return ret;
11338 }
11339#endif
11340#ifdef TARGET_NR_clock_getres
11341 case TARGET_NR_clock_getres:
11342 {
11343 struct timespec ts;
11344 ret = get_errno(clock_getres(arg1, &ts));
11345 if (!is_error(ret)) {
11346 host_to_target_timespec(arg2, &ts);
11347 }
11348 return ret;
11349 }
11350#endif
11351#ifdef TARGET_NR_clock_nanosleep
11352 case TARGET_NR_clock_nanosleep:
11353 {
11354 struct timespec ts;
11355 target_to_host_timespec(&ts, arg3);
11356 ret = get_errno(safe_clock_nanosleep(arg1, arg2,
11357 &ts, arg4 ? &ts : NULL));
11358 if (arg4)
11359 host_to_target_timespec(arg4, &ts);
11360
11361#if defined(TARGET_PPC)
11362
11363
11364 if (ret && ret != -TARGET_ERESTARTSYS) {
11365 ((CPUPPCState *)cpu_env)->crf[0] |= 1;
11366 }
11367#endif
11368 return ret;
11369 }
11370#endif
11371
11372#if defined(TARGET_NR_set_tid_address) && defined(__NR_set_tid_address)
11373 case TARGET_NR_set_tid_address:
11374 return get_errno(set_tid_address((int *)g2h(arg1)));
11375#endif
11376
11377 case TARGET_NR_tkill:
11378 return get_errno(safe_tkill((int)arg1, target_to_host_signal(arg2)));
11379
11380 case TARGET_NR_tgkill:
11381 return get_errno(safe_tgkill((int)arg1, (int)arg2,
11382 target_to_host_signal(arg3)));
11383
11384#ifdef TARGET_NR_set_robust_list
11385 case TARGET_NR_set_robust_list:
11386 case TARGET_NR_get_robust_list:
11387
11388
11389
11390
11391
11392
11393
11394
11395
11396
11397
11398
11399 return -TARGET_ENOSYS;
11400#endif
11401
11402#if defined(TARGET_NR_utimensat)
11403 case TARGET_NR_utimensat:
11404 {
11405 struct timespec *tsp, ts[2];
11406 if (!arg3) {
11407 tsp = NULL;
11408 } else {
11409 target_to_host_timespec(ts, arg3);
11410 target_to_host_timespec(ts+1, arg3+sizeof(struct target_timespec));
11411 tsp = ts;
11412 }
11413 if (!arg2)
11414 ret = get_errno(sys_utimensat(arg1, NULL, tsp, arg4));
11415 else {
11416 if (!(p = lock_user_string(arg2))) {
11417 return -TARGET_EFAULT;
11418 }
11419 ret = get_errno(sys_utimensat(arg1, path(p), tsp, arg4));
11420 unlock_user(p, arg2, 0);
11421 }
11422 }
11423 return ret;
11424#endif
11425 case TARGET_NR_futex:
11426 return do_futex(arg1, arg2, arg3, arg4, arg5, arg6);
11427#if defined(TARGET_NR_inotify_init) && defined(__NR_inotify_init)
11428 case TARGET_NR_inotify_init:
11429 ret = get_errno(sys_inotify_init());
11430 if (ret >= 0) {
11431 fd_trans_register(ret, &target_inotify_trans);
11432 }
11433 return ret;
11434#endif
11435#ifdef CONFIG_INOTIFY1
11436#if defined(TARGET_NR_inotify_init1) && defined(__NR_inotify_init1)
11437 case TARGET_NR_inotify_init1:
11438 ret = get_errno(sys_inotify_init1(target_to_host_bitmask(arg1,
11439 fcntl_flags_tbl)));
11440 if (ret >= 0) {
11441 fd_trans_register(ret, &target_inotify_trans);
11442 }
11443 return ret;
11444#endif
11445#endif
11446#if defined(TARGET_NR_inotify_add_watch) && defined(__NR_inotify_add_watch)
11447 case TARGET_NR_inotify_add_watch:
11448 p = lock_user_string(arg2);
11449 ret = get_errno(sys_inotify_add_watch(arg1, path(p), arg3));
11450 unlock_user(p, arg2, 0);
11451 return ret;
11452#endif
11453#if defined(TARGET_NR_inotify_rm_watch) && defined(__NR_inotify_rm_watch)
11454 case TARGET_NR_inotify_rm_watch:
11455 return get_errno(sys_inotify_rm_watch(arg1, arg2));
11456#endif
11457
11458#if defined(TARGET_NR_mq_open) && defined(__NR_mq_open)
11459 case TARGET_NR_mq_open:
11460 {
11461 struct mq_attr posix_mq_attr;
11462 struct mq_attr *pposix_mq_attr;
11463 int host_flags;
11464
11465 host_flags = target_to_host_bitmask(arg2, fcntl_flags_tbl);
11466 pposix_mq_attr = NULL;
11467 if (arg4) {
11468 if (copy_from_user_mq_attr(&posix_mq_attr, arg4) != 0) {
11469 return -TARGET_EFAULT;
11470 }
11471 pposix_mq_attr = &posix_mq_attr;
11472 }
11473 p = lock_user_string(arg1 - 1);
11474 if (!p) {
11475 return -TARGET_EFAULT;
11476 }
11477 ret = get_errno(mq_open(p, host_flags, arg3, pposix_mq_attr));
11478 unlock_user (p, arg1, 0);
11479 }
11480 return ret;
11481
11482 case TARGET_NR_mq_unlink:
11483 p = lock_user_string(arg1 - 1);
11484 if (!p) {
11485 return -TARGET_EFAULT;
11486 }
11487 ret = get_errno(mq_unlink(p));
11488 unlock_user (p, arg1, 0);
11489 return ret;
11490
11491 case TARGET_NR_mq_timedsend:
11492 {
11493 struct timespec ts;
11494
11495 p = lock_user (VERIFY_READ, arg2, arg3, 1);
11496 if (arg5 != 0) {
11497 target_to_host_timespec(&ts, arg5);
11498 ret = get_errno(safe_mq_timedsend(arg1, p, arg3, arg4, &ts));
11499 host_to_target_timespec(arg5, &ts);
11500 } else {
11501 ret = get_errno(safe_mq_timedsend(arg1, p, arg3, arg4, NULL));
11502 }
11503 unlock_user (p, arg2, arg3);
11504 }
11505 return ret;
11506
11507 case TARGET_NR_mq_timedreceive:
11508 {
11509 struct timespec ts;
11510 unsigned int prio;
11511
11512 p = lock_user (VERIFY_READ, arg2, arg3, 1);
11513 if (arg5 != 0) {
11514 target_to_host_timespec(&ts, arg5);
11515 ret = get_errno(safe_mq_timedreceive(arg1, p, arg3,
11516 &prio, &ts));
11517 host_to_target_timespec(arg5, &ts);
11518 } else {
11519 ret = get_errno(safe_mq_timedreceive(arg1, p, arg3,
11520 &prio, NULL));
11521 }
11522 unlock_user (p, arg2, arg3);
11523 if (arg4 != 0)
11524 put_user_u32(prio, arg4);
11525 }
11526 return ret;
11527
11528
11529
11530
11531
11532 case TARGET_NR_mq_getsetattr:
11533 {
11534 struct mq_attr posix_mq_attr_in, posix_mq_attr_out;
11535 ret = 0;
11536 if (arg2 != 0) {
11537 copy_from_user_mq_attr(&posix_mq_attr_in, arg2);
11538 ret = get_errno(mq_setattr(arg1, &posix_mq_attr_in,
11539 &posix_mq_attr_out));
11540 } else if (arg3 != 0) {
11541 ret = get_errno(mq_getattr(arg1, &posix_mq_attr_out));
11542 }
11543 if (ret == 0 && arg3 != 0) {
11544 copy_to_user_mq_attr(arg3, &posix_mq_attr_out);
11545 }
11546 }
11547 return ret;
11548#endif
11549
11550#ifdef CONFIG_SPLICE
11551#ifdef TARGET_NR_tee
11552 case TARGET_NR_tee:
11553 {
11554 ret = get_errno(tee(arg1,arg2,arg3,arg4));
11555 }
11556 return ret;
11557#endif
11558#ifdef TARGET_NR_splice
11559 case TARGET_NR_splice:
11560 {
11561 loff_t loff_in, loff_out;
11562 loff_t *ploff_in = NULL, *ploff_out = NULL;
11563 if (arg2) {
11564 if (get_user_u64(loff_in, arg2)) {
11565 return -TARGET_EFAULT;
11566 }
11567 ploff_in = &loff_in;
11568 }
11569 if (arg4) {
11570 if (get_user_u64(loff_out, arg4)) {
11571 return -TARGET_EFAULT;
11572 }
11573 ploff_out = &loff_out;
11574 }
11575 ret = get_errno(splice(arg1, ploff_in, arg3, ploff_out, arg5, arg6));
11576 if (arg2) {
11577 if (put_user_u64(loff_in, arg2)) {
11578 return -TARGET_EFAULT;
11579 }
11580 }
11581 if (arg4) {
11582 if (put_user_u64(loff_out, arg4)) {
11583 return -TARGET_EFAULT;
11584 }
11585 }
11586 }
11587 return ret;
11588#endif
11589#ifdef TARGET_NR_vmsplice
11590 case TARGET_NR_vmsplice:
11591 {
11592 struct iovec *vec = lock_iovec(VERIFY_READ, arg2, arg3, 1);
11593 if (vec != NULL) {
11594 ret = get_errno(vmsplice(arg1, vec, arg3, arg4));
11595 unlock_iovec(vec, arg2, arg3, 0);
11596 } else {
11597 ret = -host_to_target_errno(errno);
11598 }
11599 }
11600 return ret;
11601#endif
11602#endif
11603#ifdef CONFIG_EVENTFD
11604#if defined(TARGET_NR_eventfd)
11605 case TARGET_NR_eventfd:
11606 ret = get_errno(eventfd(arg1, 0));
11607 if (ret >= 0) {
11608 fd_trans_register(ret, &target_eventfd_trans);
11609 }
11610 return ret;
11611#endif
11612#if defined(TARGET_NR_eventfd2)
11613 case TARGET_NR_eventfd2:
11614 {
11615 int host_flags = arg2 & (~(TARGET_O_NONBLOCK | TARGET_O_CLOEXEC));
11616 if (arg2 & TARGET_O_NONBLOCK) {
11617 host_flags |= O_NONBLOCK;
11618 }
11619 if (arg2 & TARGET_O_CLOEXEC) {
11620 host_flags |= O_CLOEXEC;
11621 }
11622 ret = get_errno(eventfd(arg1, host_flags));
11623 if (ret >= 0) {
11624 fd_trans_register(ret, &target_eventfd_trans);
11625 }
11626 return ret;
11627 }
11628#endif
11629#endif
11630#if defined(CONFIG_FALLOCATE) && defined(TARGET_NR_fallocate)
11631 case TARGET_NR_fallocate:
11632#if TARGET_ABI_BITS == 32
11633 ret = get_errno(fallocate(arg1, arg2, target_offset64(arg3, arg4),
11634 target_offset64(arg5, arg6)));
11635#else
11636 ret = get_errno(fallocate(arg1, arg2, arg3, arg4));
11637#endif
11638 return ret;
11639#endif
11640#if defined(CONFIG_SYNC_FILE_RANGE)
11641#if defined(TARGET_NR_sync_file_range)
11642 case TARGET_NR_sync_file_range:
11643#if TARGET_ABI_BITS == 32
11644#if defined(TARGET_MIPS)
11645 ret = get_errno(sync_file_range(arg1, target_offset64(arg3, arg4),
11646 target_offset64(arg5, arg6), arg7));
11647#else
11648 ret = get_errno(sync_file_range(arg1, target_offset64(arg2, arg3),
11649 target_offset64(arg4, arg5), arg6));
11650#endif
11651#else
11652 ret = get_errno(sync_file_range(arg1, arg2, arg3, arg4));
11653#endif
11654 return ret;
11655#endif
11656#if defined(TARGET_NR_sync_file_range2)
11657 case TARGET_NR_sync_file_range2:
11658
11659#if TARGET_ABI_BITS == 32
11660 ret = get_errno(sync_file_range(arg1, target_offset64(arg3, arg4),
11661 target_offset64(arg5, arg6), arg2));
11662#else
11663 ret = get_errno(sync_file_range(arg1, arg3, arg4, arg2));
11664#endif
11665 return ret;
11666#endif
11667#endif
11668#if defined(TARGET_NR_signalfd4)
11669 case TARGET_NR_signalfd4:
11670 return do_signalfd4(arg1, arg2, arg4);
11671#endif
11672#if defined(TARGET_NR_signalfd)
11673 case TARGET_NR_signalfd:
11674 return do_signalfd4(arg1, arg2, 0);
11675#endif
11676#if defined(CONFIG_EPOLL)
11677#if defined(TARGET_NR_epoll_create)
11678 case TARGET_NR_epoll_create:
11679 return get_errno(epoll_create(arg1));
11680#endif
11681#if defined(TARGET_NR_epoll_create1) && defined(CONFIG_EPOLL_CREATE1)
11682 case TARGET_NR_epoll_create1:
11683 return get_errno(epoll_create1(arg1));
11684#endif
11685#if defined(TARGET_NR_epoll_ctl)
11686 case TARGET_NR_epoll_ctl:
11687 {
11688 struct epoll_event ep;
11689 struct epoll_event *epp = 0;
11690 if (arg4) {
11691 struct target_epoll_event *target_ep;
11692 if (!lock_user_struct(VERIFY_READ, target_ep, arg4, 1)) {
11693 return -TARGET_EFAULT;
11694 }
11695 ep.events = tswap32(target_ep->events);
11696
11697
11698
11699
11700 ep.data.u64 = tswap64(target_ep->data.u64);
11701 unlock_user_struct(target_ep, arg4, 0);
11702 epp = &ep;
11703 }
11704 return get_errno(epoll_ctl(arg1, arg2, arg3, epp));
11705 }
11706#endif
11707
11708#if defined(TARGET_NR_epoll_wait) || defined(TARGET_NR_epoll_pwait)
11709#if defined(TARGET_NR_epoll_wait)
11710 case TARGET_NR_epoll_wait:
11711#endif
11712#if defined(TARGET_NR_epoll_pwait)
11713 case TARGET_NR_epoll_pwait:
11714#endif
11715 {
11716 struct target_epoll_event *target_ep;
11717 struct epoll_event *ep;
11718 int epfd = arg1;
11719 int maxevents = arg3;
11720 int timeout = arg4;
11721
11722 if (maxevents <= 0 || maxevents > TARGET_EP_MAX_EVENTS) {
11723 return -TARGET_EINVAL;
11724 }
11725
11726 target_ep = lock_user(VERIFY_WRITE, arg2,
11727 maxevents * sizeof(struct target_epoll_event), 1);
11728 if (!target_ep) {
11729 return -TARGET_EFAULT;
11730 }
11731
11732 ep = g_try_new(struct epoll_event, maxevents);
11733 if (!ep) {
11734 unlock_user(target_ep, arg2, 0);
11735 return -TARGET_ENOMEM;
11736 }
11737
11738 switch (num) {
11739#if defined(TARGET_NR_epoll_pwait)
11740 case TARGET_NR_epoll_pwait:
11741 {
11742 target_sigset_t *target_set;
11743 sigset_t _set, *set = &_set;
11744
11745 if (arg5) {
11746 if (arg6 != sizeof(target_sigset_t)) {
11747 ret = -TARGET_EINVAL;
11748 break;
11749 }
11750
11751 target_set = lock_user(VERIFY_READ, arg5,
11752 sizeof(target_sigset_t), 1);
11753 if (!target_set) {
11754 ret = -TARGET_EFAULT;
11755 break;
11756 }
11757 target_to_host_sigset(set, target_set);
11758 unlock_user(target_set, arg5, 0);
11759 } else {
11760 set = NULL;
11761 }
11762
11763 ret = get_errno(safe_epoll_pwait(epfd, ep, maxevents, timeout,
11764 set, SIGSET_T_SIZE));
11765 break;
11766 }
11767#endif
11768#if defined(TARGET_NR_epoll_wait)
11769 case TARGET_NR_epoll_wait:
11770 ret = get_errno(safe_epoll_pwait(epfd, ep, maxevents, timeout,
11771 NULL, 0));
11772 break;
11773#endif
11774 default:
11775 ret = -TARGET_ENOSYS;
11776 }
11777 if (!is_error(ret)) {
11778 int i;
11779 for (i = 0; i < ret; i++) {
11780 target_ep[i].events = tswap32(ep[i].events);
11781 target_ep[i].data.u64 = tswap64(ep[i].data.u64);
11782 }
11783 unlock_user(target_ep, arg2,
11784 ret * sizeof(struct target_epoll_event));
11785 } else {
11786 unlock_user(target_ep, arg2, 0);
11787 }
11788 g_free(ep);
11789 return ret;
11790 }
11791#endif
11792#endif
11793#ifdef TARGET_NR_prlimit64
11794 case TARGET_NR_prlimit64:
11795 {
11796
11797 struct target_rlimit64 *target_rnew, *target_rold;
11798 struct host_rlimit64 rnew, rold, *rnewp = 0;
11799 int resource = target_to_host_resource(arg2);
11800 if (arg3) {
11801 if (!lock_user_struct(VERIFY_READ, target_rnew, arg3, 1)) {
11802 return -TARGET_EFAULT;
11803 }
11804 rnew.rlim_cur = tswap64(target_rnew->rlim_cur);
11805 rnew.rlim_max = tswap64(target_rnew->rlim_max);
11806 unlock_user_struct(target_rnew, arg3, 0);
11807 rnewp = &rnew;
11808 }
11809
11810 ret = get_errno(sys_prlimit64(arg1, resource, rnewp, arg4 ? &rold : 0));
11811 if (!is_error(ret) && arg4) {
11812 if (!lock_user_struct(VERIFY_WRITE, target_rold, arg4, 1)) {
11813 return -TARGET_EFAULT;
11814 }
11815 target_rold->rlim_cur = tswap64(rold.rlim_cur);
11816 target_rold->rlim_max = tswap64(rold.rlim_max);
11817 unlock_user_struct(target_rold, arg4, 1);
11818 }
11819 return ret;
11820 }
11821#endif
11822#ifdef TARGET_NR_gethostname
11823 case TARGET_NR_gethostname:
11824 {
11825 char *name = lock_user(VERIFY_WRITE, arg1, arg2, 0);
11826 if (name) {
11827 ret = get_errno(gethostname(name, arg2));
11828 unlock_user(name, arg1, arg2);
11829 } else {
11830 ret = -TARGET_EFAULT;
11831 }
11832 return ret;
11833 }
11834#endif
11835#ifdef TARGET_NR_atomic_cmpxchg_32
11836 case TARGET_NR_atomic_cmpxchg_32:
11837 {
11838
11839 abi_ulong mem_value;
11840 if (get_user_u32(mem_value, arg6)) {
11841 target_siginfo_t info;
11842 info.si_signo = SIGSEGV;
11843 info.si_errno = 0;
11844 info.si_code = TARGET_SEGV_MAPERR;
11845 info._sifields._sigfault._addr = arg6;
11846 queue_signal((CPUArchState *)cpu_env, info.si_signo,
11847 QEMU_SI_FAULT, &info);
11848 ret = 0xdeadbeef;
11849
11850 }
11851 if (mem_value == arg2)
11852 put_user_u32(arg1, arg6);
11853 return mem_value;
11854 }
11855#endif
11856#ifdef TARGET_NR_atomic_barrier
11857 case TARGET_NR_atomic_barrier:
11858
11859
11860 return 0;
11861#endif
11862
11863#ifdef TARGET_NR_timer_create
11864 case TARGET_NR_timer_create:
11865 {
11866
11867
11868 struct sigevent host_sevp = { {0}, }, *phost_sevp = NULL;
11869
11870 int clkid = arg1;
11871 int timer_index = next_free_host_timer();
11872
11873 if (timer_index < 0) {
11874 ret = -TARGET_EAGAIN;
11875 } else {
11876 timer_t *phtimer = g_posix_timers + timer_index;
11877
11878 if (arg2) {
11879 phost_sevp = &host_sevp;
11880 ret = target_to_host_sigevent(phost_sevp, arg2);
11881 if (ret != 0) {
11882 return ret;
11883 }
11884 }
11885
11886 ret = get_errno(timer_create(clkid, phost_sevp, phtimer));
11887 if (ret) {
11888 phtimer = NULL;
11889 } else {
11890 if (put_user(TIMER_MAGIC | timer_index, arg3, target_timer_t)) {
11891 return -TARGET_EFAULT;
11892 }
11893 }
11894 }
11895 return ret;
11896 }
11897#endif
11898
11899#ifdef TARGET_NR_timer_settime
11900 case TARGET_NR_timer_settime:
11901 {
11902
11903
11904 target_timer_t timerid = get_timer_id(arg1);
11905
11906 if (timerid < 0) {
11907 ret = timerid;
11908 } else if (arg3 == 0) {
11909 ret = -TARGET_EINVAL;
11910 } else {
11911 timer_t htimer = g_posix_timers[timerid];
11912 struct itimerspec hspec_new = {{0},}, hspec_old = {{0},};
11913
11914 if (target_to_host_itimerspec(&hspec_new, arg3)) {
11915 return -TARGET_EFAULT;
11916 }
11917 ret = get_errno(
11918 timer_settime(htimer, arg2, &hspec_new, &hspec_old));
11919 if (arg4 && host_to_target_itimerspec(arg4, &hspec_old)) {
11920 return -TARGET_EFAULT;
11921 }
11922 }
11923 return ret;
11924 }
11925#endif
11926
11927#ifdef TARGET_NR_timer_gettime
11928 case TARGET_NR_timer_gettime:
11929 {
11930
11931 target_timer_t timerid = get_timer_id(arg1);
11932
11933 if (timerid < 0) {
11934 ret = timerid;
11935 } else if (!arg2) {
11936 ret = -TARGET_EFAULT;
11937 } else {
11938 timer_t htimer = g_posix_timers[timerid];
11939 struct itimerspec hspec;
11940 ret = get_errno(timer_gettime(htimer, &hspec));
11941
11942 if (host_to_target_itimerspec(arg2, &hspec)) {
11943 ret = -TARGET_EFAULT;
11944 }
11945 }
11946 return ret;
11947 }
11948#endif
11949
11950#ifdef TARGET_NR_timer_getoverrun
11951 case TARGET_NR_timer_getoverrun:
11952 {
11953
11954 target_timer_t timerid = get_timer_id(arg1);
11955
11956 if (timerid < 0) {
11957 ret = timerid;
11958 } else {
11959 timer_t htimer = g_posix_timers[timerid];
11960 ret = get_errno(timer_getoverrun(htimer));
11961 }
11962 return ret;
11963 }
11964#endif
11965
11966#ifdef TARGET_NR_timer_delete
11967 case TARGET_NR_timer_delete:
11968 {
11969
11970 target_timer_t timerid = get_timer_id(arg1);
11971
11972 if (timerid < 0) {
11973 ret = timerid;
11974 } else {
11975 timer_t htimer = g_posix_timers[timerid];
11976 ret = get_errno(timer_delete(htimer));
11977 g_posix_timers[timerid] = 0;
11978 }
11979 return ret;
11980 }
11981#endif
11982
11983#if defined(TARGET_NR_timerfd_create) && defined(CONFIG_TIMERFD)
11984 case TARGET_NR_timerfd_create:
11985 return get_errno(timerfd_create(arg1,
11986 target_to_host_bitmask(arg2, fcntl_flags_tbl)));
11987#endif
11988
11989#if defined(TARGET_NR_timerfd_gettime) && defined(CONFIG_TIMERFD)
11990 case TARGET_NR_timerfd_gettime:
11991 {
11992 struct itimerspec its_curr;
11993
11994 ret = get_errno(timerfd_gettime(arg1, &its_curr));
11995
11996 if (arg2 && host_to_target_itimerspec(arg2, &its_curr)) {
11997 return -TARGET_EFAULT;
11998 }
11999 }
12000 return ret;
12001#endif
12002
12003#if defined(TARGET_NR_timerfd_settime) && defined(CONFIG_TIMERFD)
12004 case TARGET_NR_timerfd_settime:
12005 {
12006 struct itimerspec its_new, its_old, *p_new;
12007
12008 if (arg3) {
12009 if (target_to_host_itimerspec(&its_new, arg3)) {
12010 return -TARGET_EFAULT;
12011 }
12012 p_new = &its_new;
12013 } else {
12014 p_new = NULL;
12015 }
12016
12017 ret = get_errno(timerfd_settime(arg1, arg2, p_new, &its_old));
12018
12019 if (arg4 && host_to_target_itimerspec(arg4, &its_old)) {
12020 return -TARGET_EFAULT;
12021 }
12022 }
12023 return ret;
12024#endif
12025
12026#if defined(TARGET_NR_ioprio_get) && defined(__NR_ioprio_get)
12027 case TARGET_NR_ioprio_get:
12028 return get_errno(ioprio_get(arg1, arg2));
12029#endif
12030
12031#if defined(TARGET_NR_ioprio_set) && defined(__NR_ioprio_set)
12032 case TARGET_NR_ioprio_set:
12033 return get_errno(ioprio_set(arg1, arg2, arg3));
12034#endif
12035
12036#if defined(TARGET_NR_setns) && defined(CONFIG_SETNS)
12037 case TARGET_NR_setns:
12038 return get_errno(setns(arg1, arg2));
12039#endif
12040#if defined(TARGET_NR_unshare) && defined(CONFIG_SETNS)
12041 case TARGET_NR_unshare:
12042 return get_errno(unshare(arg1));
12043#endif
12044#if defined(TARGET_NR_kcmp) && defined(__NR_kcmp)
12045 case TARGET_NR_kcmp:
12046 return get_errno(kcmp(arg1, arg2, arg3, arg4, arg5));
12047#endif
12048#ifdef TARGET_NR_swapcontext
12049 case TARGET_NR_swapcontext:
12050
12051 return do_swapcontext(cpu_env, arg1, arg2, arg3);
12052#endif
12053#ifdef TARGET_NR_memfd_create
12054 case TARGET_NR_memfd_create:
12055 p = lock_user_string(arg1);
12056 if (!p) {
12057 return -TARGET_EFAULT;
12058 }
12059 ret = get_errno(memfd_create(p, arg2));
12060 fd_trans_unregister(ret);
12061 unlock_user(p, arg1, 0);
12062 return ret;
12063#endif
12064
12065 default:
12066 qemu_log_mask(LOG_UNIMP, "Unsupported syscall: %d\n", num);
12067 return -TARGET_ENOSYS;
12068 }
12069 return ret;
12070}
12071
12072abi_long do_syscall(void *cpu_env, int num, abi_long arg1,
12073 abi_long arg2, abi_long arg3, abi_long arg4,
12074 abi_long arg5, abi_long arg6, abi_long arg7,
12075 abi_long arg8)
12076{
12077 CPUState *cpu = env_cpu(cpu_env);
12078 abi_long ret;
12079
12080#ifdef DEBUG_ERESTARTSYS
12081
12082
12083
12084
12085 {
12086 static bool flag;
12087 flag = !flag;
12088 if (flag) {
12089 return -TARGET_ERESTARTSYS;
12090 }
12091 }
12092#endif
12093
12094 record_syscall_start(cpu, num, arg1,
12095 arg2, arg3, arg4, arg5, arg6, arg7, arg8);
12096
12097 if (unlikely(do_strace)) {
12098 print_syscall(num, arg1, arg2, arg3, arg4, arg5, arg6);
12099 ret = do_syscall1(cpu_env, num, arg1, arg2, arg3, arg4,
12100 arg5, arg6, arg7, arg8);
12101 print_syscall_ret(num, ret);
12102 } else {
12103 ret = do_syscall1(cpu_env, num, arg1, arg2, arg3, arg4,
12104 arg5, arg6, arg7, arg8);
12105 }
12106
12107 record_syscall_return(cpu, num, ret);
12108 return ret;
12109}
12110