4 * Copyright (c) 2003 Fabrice Bellard
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
33 #include <sys/types.h>
39 #include <sys/mount.h>
40 #include <sys/prctl.h>
41 #include <sys/resource.h>
46 #include <sys/socket.h>
50 #include <sys/times.h>
53 #include <sys/statfs.h>
55 #include <sys/sysinfo.h>
56 #include <sys/utsname.h>
57 //#include <sys/user.h>
58 #include <netinet/ip.h>
59 #include <netinet/tcp.h>
60 #include <qemu-common.h>
65 #define termios host_termios
66 #define winsize host_winsize
67 #define termio host_termio
68 #define sgttyb host_sgttyb /* same as target */
69 #define tchars host_tchars /* same as target */
70 #define ltchars host_ltchars /* same as target */
72 #include <linux/termios.h>
73 #include <linux/unistd.h>
74 #include <linux/utsname.h>
75 #include <linux/cdrom.h>
76 #include <linux/hdreg.h>
77 #include <linux/soundcard.h>
79 #include <linux/mtio.h>
80 #include "linux_loop.h"
83 #include "qemu-common.h"
86 #include <linux/futex.h>
87 #define CLONE_NPTL_FLAGS2 (CLONE_SETTLS | \
88 CLONE_PARENT_SETTID | CLONE_CHILD_SETTID | CLONE_CHILD_CLEARTID)
90 /* XXX: Hardcode the above values. */
91 #define CLONE_NPTL_FLAGS2 0
96 #if defined(TARGET_I386) || defined(TARGET_ARM) || defined(TARGET_SPARC) \
97 || defined(TARGET_M68K) || defined(TARGET_SH4) || defined(TARGET_CRIS)
98 /* 16 bit uid wrappers emulation */
102 //#include <linux/msdos_fs.h>
103 #define VFAT_IOCTL_READDIR_BOTH _IOR('r', 1, struct linux_dirent [2])
104 #define VFAT_IOCTL_READDIR_SHORT _IOR('r', 2, struct linux_dirent [2])
115 #define _syscall0(type,name) \
116 static type name (void) \
118 return syscall(__NR_##name); \
121 #define _syscall1(type,name,type1,arg1) \
122 static type name (type1 arg1) \
124 return syscall(__NR_##name, arg1); \
127 #define _syscall2(type,name,type1,arg1,type2,arg2) \
128 static type name (type1 arg1,type2 arg2) \
130 return syscall(__NR_##name, arg1, arg2); \
133 #define _syscall3(type,name,type1,arg1,type2,arg2,type3,arg3) \
134 static type name (type1 arg1,type2 arg2,type3 arg3) \
136 return syscall(__NR_##name, arg1, arg2, arg3); \
139 #define _syscall4(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4) \
140 static type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4) \
142 return syscall(__NR_##name, arg1, arg2, arg3, arg4); \
145 #define _syscall5(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4, \
147 static type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4,type5 arg5) \
149 return syscall(__NR_##name, arg1, arg2, arg3, arg4, arg5); \
153 #define _syscall6(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4, \
154 type5,arg5,type6,arg6) \
155 static type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4,type5 arg5, \
158 return syscall(__NR_##name, arg1, arg2, arg3, arg4, arg5, arg6); \
162 #define __NR_sys_uname __NR_uname
163 #define __NR_sys_faccessat __NR_faccessat
164 #define __NR_sys_fchmodat __NR_fchmodat
165 #define __NR_sys_fchownat __NR_fchownat
166 #define __NR_sys_fstatat64 __NR_fstatat64
167 #define __NR_sys_futimesat __NR_futimesat
168 #define __NR_sys_getcwd1 __NR_getcwd
169 #define __NR_sys_getdents __NR_getdents
170 #define __NR_sys_getdents64 __NR_getdents64
171 #define __NR_sys_getpriority __NR_getpriority
172 #define __NR_sys_linkat __NR_linkat
173 #define __NR_sys_mkdirat __NR_mkdirat
174 #define __NR_sys_mknodat __NR_mknodat
175 #define __NR_sys_newfstatat __NR_newfstatat
176 #define __NR_sys_openat __NR_openat
177 #define __NR_sys_readlinkat __NR_readlinkat
178 #define __NR_sys_renameat __NR_renameat
179 #define __NR_sys_rt_sigqueueinfo __NR_rt_sigqueueinfo
180 #define __NR_sys_symlinkat __NR_symlinkat
181 #define __NR_sys_syslog __NR_syslog
182 #define __NR_sys_tgkill __NR_tgkill
183 #define __NR_sys_tkill __NR_tkill
184 #define __NR_sys_unlinkat __NR_unlinkat
185 #define __NR_sys_utimensat __NR_utimensat
186 #define __NR_sys_futex __NR_futex
187 #define __NR_sys_inotify_init __NR_inotify_init
188 #define __NR_sys_inotify_add_watch __NR_inotify_add_watch
189 #define __NR_sys_inotify_rm_watch __NR_inotify_rm_watch
191 #if defined(__alpha__) || defined (__ia64__) || defined(__x86_64__)
192 #define __NR__llseek __NR_lseek
196 _syscall0(int, gettid)
198 /* This is a replacement for the host gettid() and must return a host
200 static int gettid(void) {
204 #if TARGET_ABI_BITS == 32
205 _syscall3(int, sys_getdents, uint, fd, struct linux_dirent *, dirp, uint, count);
207 #if defined(TARGET_NR_getdents64) && defined(__NR_getdents64)
208 _syscall3(int, sys_getdents64, uint, fd, struct linux_dirent64 *, dirp, uint, count);
210 _syscall2(int, sys_getpriority, int, which, int, who);
211 #if !defined (__x86_64__)
212 _syscall5(int, _llseek, uint, fd, ulong, hi, ulong, lo,
213 loff_t *, res, uint, wh);
215 _syscall3(int,sys_rt_sigqueueinfo,int,pid,int,sig,siginfo_t *,uinfo)
216 _syscall3(int,sys_syslog,int,type,char*,bufp,int,len)
217 #if defined(TARGET_NR_tgkill) && defined(__NR_tgkill)
218 _syscall3(int,sys_tgkill,int,tgid,int,pid,int,sig)
220 #if defined(TARGET_NR_tkill) && defined(__NR_tkill)
221 _syscall2(int,sys_tkill,int,tid,int,sig)
223 #ifdef __NR_exit_group
224 _syscall1(int,exit_group,int,error_code)
226 #if defined(TARGET_NR_set_tid_address) && defined(__NR_set_tid_address)
227 _syscall1(int,set_tid_address,int *,tidptr)
229 #if defined(USE_NPTL)
230 #if defined(TARGET_NR_futex) && defined(__NR_futex)
231 _syscall6(int,sys_futex,int *,uaddr,int,op,int,val,
232 const struct timespec *,timeout,int *,uaddr2,int,val3)
236 static bitmask_transtbl fcntl_flags_tbl[] = {
237 { TARGET_O_ACCMODE, TARGET_O_WRONLY, O_ACCMODE, O_WRONLY, },
238 { TARGET_O_ACCMODE, TARGET_O_RDWR, O_ACCMODE, O_RDWR, },
239 { TARGET_O_CREAT, TARGET_O_CREAT, O_CREAT, O_CREAT, },
240 { TARGET_O_EXCL, TARGET_O_EXCL, O_EXCL, O_EXCL, },
241 { TARGET_O_NOCTTY, TARGET_O_NOCTTY, O_NOCTTY, O_NOCTTY, },
242 { TARGET_O_TRUNC, TARGET_O_TRUNC, O_TRUNC, O_TRUNC, },
243 { TARGET_O_APPEND, TARGET_O_APPEND, O_APPEND, O_APPEND, },
244 { TARGET_O_NONBLOCK, TARGET_O_NONBLOCK, O_NONBLOCK, O_NONBLOCK, },
245 { TARGET_O_SYNC, TARGET_O_SYNC, O_SYNC, O_SYNC, },
246 { TARGET_FASYNC, TARGET_FASYNC, FASYNC, FASYNC, },
247 { TARGET_O_DIRECTORY, TARGET_O_DIRECTORY, O_DIRECTORY, O_DIRECTORY, },
248 { TARGET_O_NOFOLLOW, TARGET_O_NOFOLLOW, O_NOFOLLOW, O_NOFOLLOW, },
249 { TARGET_O_LARGEFILE, TARGET_O_LARGEFILE, O_LARGEFILE, O_LARGEFILE, },
250 #if defined(O_DIRECT)
251 { TARGET_O_DIRECT, TARGET_O_DIRECT, O_DIRECT, O_DIRECT, },
256 #define COPY_UTSNAME_FIELD(dest, src) \
258 /* __NEW_UTS_LEN doesn't include terminating null */ \
259 (void) strncpy((dest), (src), __NEW_UTS_LEN); \
260 (dest)[__NEW_UTS_LEN] = '\0'; \
263 static int sys_uname(struct new_utsname *buf)
265 struct utsname uts_buf;
267 if (uname(&uts_buf) < 0)
271 * Just in case these have some differences, we
272 * translate utsname to new_utsname (which is the
273 * struct linux kernel uses).
276 bzero(buf, sizeof (*buf));
277 COPY_UTSNAME_FIELD(buf->sysname, uts_buf.sysname);
278 COPY_UTSNAME_FIELD(buf->nodename, uts_buf.nodename);
279 COPY_UTSNAME_FIELD(buf->release, uts_buf.release);
280 COPY_UTSNAME_FIELD(buf->version, uts_buf.version);
281 COPY_UTSNAME_FIELD(buf->machine, uts_buf.machine);
283 COPY_UTSNAME_FIELD(buf->domainname, uts_buf.domainname);
287 #undef COPY_UTSNAME_FIELD
290 static int sys_getcwd1(char *buf, size_t size)
292 if (getcwd(buf, size) == NULL) {
293 /* getcwd() sets errno */
301 * Host system seems to have atfile syscall stubs available. We
302 * now enable them one by one as specified by target syscall_nr.h.
305 #ifdef TARGET_NR_faccessat
306 static int sys_faccessat(int dirfd, const char *pathname, int mode, int flags)
308 return (faccessat(dirfd, pathname, mode, flags));
311 #ifdef TARGET_NR_fchmodat
312 static int sys_fchmodat(int dirfd, const char *pathname, mode_t mode, int flags)
314 return (fchmodat(dirfd, pathname, mode, flags));
317 #if defined(TARGET_NR_fchownat) && defined(USE_UID16)
318 static int sys_fchownat(int dirfd, const char *pathname, uid_t owner,
319 gid_t group, int flags)
321 return (fchownat(dirfd, pathname, owner, group, flags));
324 #ifdef __NR_fstatat64
325 static int sys_fstatat64(int dirfd, const char *pathname, struct stat *buf,
328 return (fstatat(dirfd, pathname, buf, flags));
331 #ifdef __NR_newfstatat
332 static int sys_newfstatat(int dirfd, const char *pathname, struct stat *buf,
335 return (fstatat(dirfd, pathname, buf, flags));
338 #ifdef TARGET_NR_futimesat
339 static int sys_futimesat(int dirfd, const char *pathname,
340 const struct timeval times[2])
342 return (futimesat(dirfd, pathname, times));
345 #ifdef TARGET_NR_linkat
346 static int sys_linkat(int olddirfd, const char *oldpath,
347 int newdirfd, const char *newpath, int flags)
349 return (linkat(olddirfd, oldpath, newdirfd, newpath, flags));
352 #ifdef TARGET_NR_mkdirat
353 static int sys_mkdirat(int dirfd, const char *pathname, mode_t mode)
355 return (mkdirat(dirfd, pathname, mode));
358 #ifdef TARGET_NR_mknodat
359 static int sys_mknodat(int dirfd, const char *pathname, mode_t mode,
362 return (mknodat(dirfd, pathname, mode, dev));
365 #ifdef TARGET_NR_openat
366 static int sys_openat(int dirfd, const char *pathname, int flags, ...)
369 * open(2) has extra parameter 'mode' when called with
372 if ((flags & O_CREAT) != 0) {
377 * Get the 'mode' parameter and translate it to
381 mode = va_arg(ap, mode_t);
382 mode = target_to_host_bitmask(mode, fcntl_flags_tbl);
385 return (openat(dirfd, pathname, flags, mode));
387 return (openat(dirfd, pathname, flags));
390 #ifdef TARGET_NR_readlinkat
391 static int sys_readlinkat(int dirfd, const char *pathname, char *buf, size_t bufsiz)
393 return (readlinkat(dirfd, pathname, buf, bufsiz));
396 #ifdef TARGET_NR_renameat
397 static int sys_renameat(int olddirfd, const char *oldpath,
398 int newdirfd, const char *newpath)
400 return (renameat(olddirfd, oldpath, newdirfd, newpath));
403 #ifdef TARGET_NR_symlinkat
404 static int sys_symlinkat(const char *oldpath, int newdirfd, const char *newpath)
406 return (symlinkat(oldpath, newdirfd, newpath));
409 #ifdef TARGET_NR_unlinkat
410 static int sys_unlinkat(int dirfd, const char *pathname, int flags)
412 return (unlinkat(dirfd, pathname, flags));
415 #ifdef TARGET_NR_utimensat
416 static int sys_utimensat(int dirfd, const char *pathname,
417 const struct timespec times[2], int flags)
419 return (utimensat(dirfd, pathname, times, flags));
422 #else /* !CONFIG_ATFILE */
425 * Try direct syscalls instead
427 #if defined(TARGET_NR_faccessat) && defined(__NR_faccessat)
428 _syscall4(int,sys_faccessat,int,dirfd,const char *,pathname,int,mode,int,flags)
430 #if defined(TARGET_NR_fchmodat) && defined(__NR_fchmodat)
431 _syscall4(int,sys_fchmodat,int,dirfd,const char *,pathname,
432 mode_t,mode,int,flags)
434 #if defined(TARGET_NR_fchownat) && defined(__NR_fchownat) && defined(USE_UID16)
435 _syscall5(int,sys_fchownat,int,dirfd,const char *,pathname,
436 uid_t,owner,gid_t,group,int,flags)
438 #if (defined(TARGET_NR_fstatat64) || defined(TARGET_NR_newfstatat)) && \
439 defined(__NR_fstatat64)
440 _syscall4(int,sys_fstatat64,int,dirfd,const char *,pathname,
441 struct stat *,buf,int,flags)
443 #if defined(TARGET_NR_futimesat) && defined(__NR_futimesat)
444 _syscall3(int,sys_futimesat,int,dirfd,const char *,pathname,
445 const struct timeval *,times)
447 #if (defined(TARGET_NR_newfstatat) || defined(TARGET_NR_fstatat64) ) && \
448 defined(__NR_newfstatat)
449 _syscall4(int,sys_newfstatat,int,dirfd,const char *,pathname,
450 struct stat *,buf,int,flags)
452 #if defined(TARGET_NR_linkat) && defined(__NR_linkat)
453 _syscall5(int,sys_linkat,int,olddirfd,const char *,oldpath,
454 int,newdirfd,const char *,newpath,int,flags)
456 #if defined(TARGET_NR_mkdirat) && defined(__NR_mkdirat)
457 _syscall3(int,sys_mkdirat,int,dirfd,const char *,pathname,mode_t,mode)
459 #if defined(TARGET_NR_mknodat) && defined(__NR_mknodat)
460 _syscall4(int,sys_mknodat,int,dirfd,const char *,pathname,
461 mode_t,mode,dev_t,dev)
463 #if defined(TARGET_NR_openat) && defined(__NR_openat)
464 _syscall4(int,sys_openat,int,dirfd,const char *,pathname,int,flags,mode_t,mode)
466 #if defined(TARGET_NR_readlinkat) && defined(__NR_readlinkat)
467 _syscall4(int,sys_readlinkat,int,dirfd,const char *,pathname,
468 char *,buf,size_t,bufsize)
470 #if defined(TARGET_NR_renameat) && defined(__NR_renameat)
471 _syscall4(int,sys_renameat,int,olddirfd,const char *,oldpath,
472 int,newdirfd,const char *,newpath)
474 #if defined(TARGET_NR_symlinkat) && defined(__NR_symlinkat)
475 _syscall3(int,sys_symlinkat,const char *,oldpath,
476 int,newdirfd,const char *,newpath)
478 #if defined(TARGET_NR_unlinkat) && defined(__NR_unlinkat)
479 _syscall3(int,sys_unlinkat,int,dirfd,const char *,pathname,int,flags)
481 #if defined(TARGET_NR_utimensat) && defined(__NR_utimensat)
482 _syscall4(int,sys_utimensat,int,dirfd,const char *,pathname,
483 const struct timespec *,tsp,int,flags)
486 #endif /* CONFIG_ATFILE */
488 #ifdef CONFIG_INOTIFY
490 #if defined(TARGET_NR_inotify_init) && defined(__NR_inotify_init)
491 static int sys_inotify_init(void)
493 return (inotify_init());
496 #if defined(TARGET_NR_inotify_add_watch) && defined(__NR_inotify_add_watch)
497 static int sys_inotify_add_watch(int fd,const char *pathname, int32_t mask)
499 return (inotify_add_watch(fd, pathname, mask));
502 #if defined(TARGET_NR_inotify_rm_watch) && defined(__NR_inotify_rm_watch)
503 static int sys_inotify_rm_watch(int fd, int32_t wd)
505 return (inotify_rm_watch(fd,pathname, wd));
509 /* Userspace can usually survive runtime without inotify */
510 #undef TARGET_NR_inotify_init
511 #undef TARGET_NR_inotify_add_watch
512 #undef TARGET_NR_inotify_rm_watch
513 #endif /* CONFIG_INOTIFY */
516 extern int personality(int);
517 extern int flock(int, int);
518 extern int setfsuid(int);
519 extern int setfsgid(int);
520 extern int setgroups(int, gid_t *);
522 #define ERRNO_TABLE_SIZE 1200
524 /* target_to_host_errno_table[] is initialized from
525 * host_to_target_errno_table[] in syscall_init(). */
526 static uint16_t target_to_host_errno_table[ERRNO_TABLE_SIZE] = {
530 * This list is the union of errno values overridden in asm-<arch>/errno.h
531 * minus the errnos that are not actually generic to all archs.
533 static uint16_t host_to_target_errno_table[ERRNO_TABLE_SIZE] = {
534 [EIDRM] = TARGET_EIDRM,
535 [ECHRNG] = TARGET_ECHRNG,
536 [EL2NSYNC] = TARGET_EL2NSYNC,
537 [EL3HLT] = TARGET_EL3HLT,
538 [EL3RST] = TARGET_EL3RST,
539 [ELNRNG] = TARGET_ELNRNG,
540 [EUNATCH] = TARGET_EUNATCH,
541 [ENOCSI] = TARGET_ENOCSI,
542 [EL2HLT] = TARGET_EL2HLT,
543 [EDEADLK] = TARGET_EDEADLK,
544 [ENOLCK] = TARGET_ENOLCK,
545 [EBADE] = TARGET_EBADE,
546 [EBADR] = TARGET_EBADR,
547 [EXFULL] = TARGET_EXFULL,
548 [ENOANO] = TARGET_ENOANO,
549 [EBADRQC] = TARGET_EBADRQC,
550 [EBADSLT] = TARGET_EBADSLT,
551 [EBFONT] = TARGET_EBFONT,
552 [ENOSTR] = TARGET_ENOSTR,
553 [ENODATA] = TARGET_ENODATA,
554 [ETIME] = TARGET_ETIME,
555 [ENOSR] = TARGET_ENOSR,
556 [ENONET] = TARGET_ENONET,
557 [ENOPKG] = TARGET_ENOPKG,
558 [EREMOTE] = TARGET_EREMOTE,
559 [ENOLINK] = TARGET_ENOLINK,
560 [EADV] = TARGET_EADV,
561 [ESRMNT] = TARGET_ESRMNT,
562 [ECOMM] = TARGET_ECOMM,
563 [EPROTO] = TARGET_EPROTO,
564 [EDOTDOT] = TARGET_EDOTDOT,
565 [EMULTIHOP] = TARGET_EMULTIHOP,
566 [EBADMSG] = TARGET_EBADMSG,
567 [ENAMETOOLONG] = TARGET_ENAMETOOLONG,
568 [EOVERFLOW] = TARGET_EOVERFLOW,
569 [ENOTUNIQ] = TARGET_ENOTUNIQ,
570 [EBADFD] = TARGET_EBADFD,
571 [EREMCHG] = TARGET_EREMCHG,
572 [ELIBACC] = TARGET_ELIBACC,
573 [ELIBBAD] = TARGET_ELIBBAD,
574 [ELIBSCN] = TARGET_ELIBSCN,
575 [ELIBMAX] = TARGET_ELIBMAX,
576 [ELIBEXEC] = TARGET_ELIBEXEC,
577 [EILSEQ] = TARGET_EILSEQ,
578 [ENOSYS] = TARGET_ENOSYS,
579 [ELOOP] = TARGET_ELOOP,
580 [ERESTART] = TARGET_ERESTART,
581 [ESTRPIPE] = TARGET_ESTRPIPE,
582 [ENOTEMPTY] = TARGET_ENOTEMPTY,
583 [EUSERS] = TARGET_EUSERS,
584 [ENOTSOCK] = TARGET_ENOTSOCK,
585 [EDESTADDRREQ] = TARGET_EDESTADDRREQ,
586 [EMSGSIZE] = TARGET_EMSGSIZE,
587 [EPROTOTYPE] = TARGET_EPROTOTYPE,
588 [ENOPROTOOPT] = TARGET_ENOPROTOOPT,
589 [EPROTONOSUPPORT] = TARGET_EPROTONOSUPPORT,
590 [ESOCKTNOSUPPORT] = TARGET_ESOCKTNOSUPPORT,
591 [EOPNOTSUPP] = TARGET_EOPNOTSUPP,
592 [EPFNOSUPPORT] = TARGET_EPFNOSUPPORT,
593 [EAFNOSUPPORT] = TARGET_EAFNOSUPPORT,
594 [EADDRINUSE] = TARGET_EADDRINUSE,
595 [EADDRNOTAVAIL] = TARGET_EADDRNOTAVAIL,
596 [ENETDOWN] = TARGET_ENETDOWN,
597 [ENETUNREACH] = TARGET_ENETUNREACH,
598 [ENETRESET] = TARGET_ENETRESET,
599 [ECONNABORTED] = TARGET_ECONNABORTED,
600 [ECONNRESET] = TARGET_ECONNRESET,
601 [ENOBUFS] = TARGET_ENOBUFS,
602 [EISCONN] = TARGET_EISCONN,
603 [ENOTCONN] = TARGET_ENOTCONN,
604 [EUCLEAN] = TARGET_EUCLEAN,
605 [ENOTNAM] = TARGET_ENOTNAM,
606 [ENAVAIL] = TARGET_ENAVAIL,
607 [EISNAM] = TARGET_EISNAM,
608 [EREMOTEIO] = TARGET_EREMOTEIO,
609 [ESHUTDOWN] = TARGET_ESHUTDOWN,
610 [ETOOMANYREFS] = TARGET_ETOOMANYREFS,
611 [ETIMEDOUT] = TARGET_ETIMEDOUT,
612 [ECONNREFUSED] = TARGET_ECONNREFUSED,
613 [EHOSTDOWN] = TARGET_EHOSTDOWN,
614 [EHOSTUNREACH] = TARGET_EHOSTUNREACH,
615 [EALREADY] = TARGET_EALREADY,
616 [EINPROGRESS] = TARGET_EINPROGRESS,
617 [ESTALE] = TARGET_ESTALE,
618 [ECANCELED] = TARGET_ECANCELED,
619 [ENOMEDIUM] = TARGET_ENOMEDIUM,
620 [EMEDIUMTYPE] = TARGET_EMEDIUMTYPE,
622 [ENOKEY] = TARGET_ENOKEY,
625 [EKEYEXPIRED] = TARGET_EKEYEXPIRED,
628 [EKEYREVOKED] = TARGET_EKEYREVOKED,
631 [EKEYREJECTED] = TARGET_EKEYREJECTED,
634 [EOWNERDEAD] = TARGET_EOWNERDEAD,
636 #ifdef ENOTRECOVERABLE
637 [ENOTRECOVERABLE] = TARGET_ENOTRECOVERABLE,
641 static inline int host_to_target_errno(int err)
643 if(host_to_target_errno_table[err])
644 return host_to_target_errno_table[err];
648 static inline int target_to_host_errno(int err)
650 if (target_to_host_errno_table[err])
651 return target_to_host_errno_table[err];
655 static inline abi_long get_errno(abi_long ret)
658 return -host_to_target_errno(errno);
663 static inline int is_error(abi_long ret)
665 return (abi_ulong)ret >= (abi_ulong)(-4096);
668 char *target_strerror(int err)
670 return strerror(target_to_host_errno(err));
673 static abi_ulong target_brk;
674 static abi_ulong target_original_brk;
676 void target_set_brk(abi_ulong new_brk)
678 target_original_brk = target_brk = HOST_PAGE_ALIGN(new_brk);
681 /* do_brk() must return target values and target errnos. */
682 abi_long do_brk(abi_ulong new_brk)
685 abi_long mapped_addr;
690 if (new_brk < target_original_brk)
693 brk_page = HOST_PAGE_ALIGN(target_brk);
695 /* If the new brk is less than this, set it and we're done... */
696 if (new_brk < brk_page) {
697 target_brk = new_brk;
701 /* We need to allocate more memory after the brk... */
702 new_alloc_size = HOST_PAGE_ALIGN(new_brk - brk_page + 1);
703 mapped_addr = get_errno(target_mmap(brk_page, new_alloc_size,
704 PROT_READ|PROT_WRITE,
705 MAP_ANON|MAP_FIXED|MAP_PRIVATE, 0, 0));
707 if (!is_error(mapped_addr))
708 target_brk = new_brk;
713 static inline abi_long copy_from_user_fdset(fd_set *fds,
714 abi_ulong target_fds_addr,
718 abi_ulong b, *target_fds;
720 nw = (n + TARGET_ABI_BITS - 1) / TARGET_ABI_BITS;
721 if (!(target_fds = lock_user(VERIFY_READ,
723 sizeof(abi_ulong) * nw,
725 return -TARGET_EFAULT;
729 for (i = 0; i < nw; i++) {
730 /* grab the abi_ulong */
731 __get_user(b, &target_fds[i]);
732 for (j = 0; j < TARGET_ABI_BITS; j++) {
733 /* check the bit inside the abi_ulong */
740 unlock_user(target_fds, target_fds_addr, 0);
745 static inline abi_long copy_to_user_fdset(abi_ulong target_fds_addr,
751 abi_ulong *target_fds;
753 nw = (n + TARGET_ABI_BITS - 1) / TARGET_ABI_BITS;
754 if (!(target_fds = lock_user(VERIFY_WRITE,
756 sizeof(abi_ulong) * nw,
758 return -TARGET_EFAULT;
761 for (i = 0; i < nw; i++) {
763 for (j = 0; j < TARGET_ABI_BITS; j++) {
764 v |= ((FD_ISSET(k, fds) != 0) << j);
767 __put_user(v, &target_fds[i]);
770 unlock_user(target_fds, target_fds_addr, sizeof(abi_ulong) * nw);
775 #if defined(__alpha__)
781 static inline abi_long host_to_target_clock_t(long ticks)
783 #if HOST_HZ == TARGET_HZ
786 return ((int64_t)ticks * TARGET_HZ) / HOST_HZ;
790 static inline abi_long host_to_target_rusage(abi_ulong target_addr,
791 const struct rusage *rusage)
793 struct target_rusage *target_rusage;
795 if (!lock_user_struct(VERIFY_WRITE, target_rusage, target_addr, 0))
796 return -TARGET_EFAULT;
797 target_rusage->ru_utime.tv_sec = tswapl(rusage->ru_utime.tv_sec);
798 target_rusage->ru_utime.tv_usec = tswapl(rusage->ru_utime.tv_usec);
799 target_rusage->ru_stime.tv_sec = tswapl(rusage->ru_stime.tv_sec);
800 target_rusage->ru_stime.tv_usec = tswapl(rusage->ru_stime.tv_usec);
801 target_rusage->ru_maxrss = tswapl(rusage->ru_maxrss);
802 target_rusage->ru_ixrss = tswapl(rusage->ru_ixrss);
803 target_rusage->ru_idrss = tswapl(rusage->ru_idrss);
804 target_rusage->ru_isrss = tswapl(rusage->ru_isrss);
805 target_rusage->ru_minflt = tswapl(rusage->ru_minflt);
806 target_rusage->ru_majflt = tswapl(rusage->ru_majflt);
807 target_rusage->ru_nswap = tswapl(rusage->ru_nswap);
808 target_rusage->ru_inblock = tswapl(rusage->ru_inblock);
809 target_rusage->ru_oublock = tswapl(rusage->ru_oublock);
810 target_rusage->ru_msgsnd = tswapl(rusage->ru_msgsnd);
811 target_rusage->ru_msgrcv = tswapl(rusage->ru_msgrcv);
812 target_rusage->ru_nsignals = tswapl(rusage->ru_nsignals);
813 target_rusage->ru_nvcsw = tswapl(rusage->ru_nvcsw);
814 target_rusage->ru_nivcsw = tswapl(rusage->ru_nivcsw);
815 unlock_user_struct(target_rusage, target_addr, 1);
820 static inline abi_long copy_from_user_timeval(struct timeval *tv,
821 abi_ulong target_tv_addr)
823 struct target_timeval *target_tv;
825 if (!lock_user_struct(VERIFY_READ, target_tv, target_tv_addr, 1))
826 return -TARGET_EFAULT;
828 __get_user(tv->tv_sec, &target_tv->tv_sec);
829 __get_user(tv->tv_usec, &target_tv->tv_usec);
831 unlock_user_struct(target_tv, target_tv_addr, 0);
836 static inline abi_long copy_to_user_timeval(abi_ulong target_tv_addr,
837 const struct timeval *tv)
839 struct target_timeval *target_tv;
841 if (!lock_user_struct(VERIFY_WRITE, target_tv, target_tv_addr, 0))
842 return -TARGET_EFAULT;
844 __put_user(tv->tv_sec, &target_tv->tv_sec);
845 __put_user(tv->tv_usec, &target_tv->tv_usec);
847 unlock_user_struct(target_tv, target_tv_addr, 1);
852 static inline abi_long copy_from_user_mq_attr(struct mq_attr *attr,
853 abi_ulong target_mq_attr_addr)
855 struct target_mq_attr *target_mq_attr;
857 if (!lock_user_struct(VERIFY_READ, target_mq_attr,
858 target_mq_attr_addr, 1))
859 return -TARGET_EFAULT;
861 __get_user(attr->mq_flags, &target_mq_attr->mq_flags);
862 __get_user(attr->mq_maxmsg, &target_mq_attr->mq_maxmsg);
863 __get_user(attr->mq_msgsize, &target_mq_attr->mq_msgsize);
864 __get_user(attr->mq_curmsgs, &target_mq_attr->mq_curmsgs);
866 unlock_user_struct(target_mq_attr, target_mq_attr_addr, 0);
871 static inline abi_long copy_to_user_mq_attr(abi_ulong target_mq_attr_addr,
872 const struct mq_attr *attr)
874 struct target_mq_attr *target_mq_attr;
876 if (!lock_user_struct(VERIFY_WRITE, target_mq_attr,
877 target_mq_attr_addr, 0))
878 return -TARGET_EFAULT;
880 __put_user(attr->mq_flags, &target_mq_attr->mq_flags);
881 __put_user(attr->mq_maxmsg, &target_mq_attr->mq_maxmsg);
882 __put_user(attr->mq_msgsize, &target_mq_attr->mq_msgsize);
883 __put_user(attr->mq_curmsgs, &target_mq_attr->mq_curmsgs);
885 unlock_user_struct(target_mq_attr, target_mq_attr_addr, 1);
890 /* do_select() must return target values and target errnos. */
891 static abi_long do_select(int n,
892 abi_ulong rfd_addr, abi_ulong wfd_addr,
893 abi_ulong efd_addr, abi_ulong target_tv_addr)
895 fd_set rfds, wfds, efds;
896 fd_set *rfds_ptr, *wfds_ptr, *efds_ptr;
897 struct timeval tv, *tv_ptr;
901 if (copy_from_user_fdset(&rfds, rfd_addr, n))
902 return -TARGET_EFAULT;
908 if (copy_from_user_fdset(&wfds, wfd_addr, n))
909 return -TARGET_EFAULT;
915 if (copy_from_user_fdset(&efds, efd_addr, n))
916 return -TARGET_EFAULT;
922 if (target_tv_addr) {
923 if (copy_from_user_timeval(&tv, target_tv_addr))
924 return -TARGET_EFAULT;
930 ret = get_errno(select(n, rfds_ptr, wfds_ptr, efds_ptr, tv_ptr));
932 if (!is_error(ret)) {
933 if (rfd_addr && copy_to_user_fdset(rfd_addr, &rfds, n))
934 return -TARGET_EFAULT;
935 if (wfd_addr && copy_to_user_fdset(wfd_addr, &wfds, n))
936 return -TARGET_EFAULT;
937 if (efd_addr && copy_to_user_fdset(efd_addr, &efds, n))
938 return -TARGET_EFAULT;
940 if (target_tv_addr && copy_to_user_timeval(target_tv_addr, &tv))
941 return -TARGET_EFAULT;
947 static inline abi_long target_to_host_sockaddr(struct sockaddr *addr,
948 abi_ulong target_addr,
951 const socklen_t unix_maxlen = sizeof (struct sockaddr_un);
952 sa_family_t sa_family;
953 struct target_sockaddr *target_saddr;
955 target_saddr = lock_user(VERIFY_READ, target_addr, len, 1);
957 return -TARGET_EFAULT;
959 sa_family = tswap16(target_saddr->sa_family);
961 /* Oops. The caller might send a incomplete sun_path; sun_path
962 * must be terminated by \0 (see the manual page), but
963 * unfortunately it is quite common to specify sockaddr_un
964 * length as "strlen(x->sun_path)" while it should be
965 * "strlen(...) + 1". We'll fix that here if needed.
966 * Linux kernel has a similar feature.
969 if (sa_family == AF_UNIX) {
970 if (len < unix_maxlen && len > 0) {
971 char *cp = (char*)target_saddr;
973 if ( cp[len-1] && !cp[len] )
976 if (len > unix_maxlen)
980 memcpy(addr, target_saddr, len);
981 addr->sa_family = sa_family;
982 unlock_user(target_saddr, target_addr, 0);
987 static inline abi_long host_to_target_sockaddr(abi_ulong target_addr,
988 struct sockaddr *addr,
991 struct target_sockaddr *target_saddr;
993 target_saddr = lock_user(VERIFY_WRITE, target_addr, len, 0);
995 return -TARGET_EFAULT;
996 memcpy(target_saddr, addr, len);
997 target_saddr->sa_family = tswap16(addr->sa_family);
998 unlock_user(target_saddr, target_addr, len);
1003 /* ??? Should this also swap msgh->name? */
1004 static inline abi_long target_to_host_cmsg(struct msghdr *msgh,
1005 struct target_msghdr *target_msgh)
1007 struct cmsghdr *cmsg = CMSG_FIRSTHDR(msgh);
1008 abi_long msg_controllen;
1009 abi_ulong target_cmsg_addr;
1010 struct target_cmsghdr *target_cmsg;
1011 socklen_t space = 0;
1013 msg_controllen = tswapl(target_msgh->msg_controllen);
1014 if (msg_controllen < sizeof (struct target_cmsghdr))
1016 target_cmsg_addr = tswapl(target_msgh->msg_control);
1017 target_cmsg = lock_user(VERIFY_READ, target_cmsg_addr, msg_controllen, 1);
1019 return -TARGET_EFAULT;
1021 while (cmsg && target_cmsg) {
1022 void *data = CMSG_DATA(cmsg);
1023 void *target_data = TARGET_CMSG_DATA(target_cmsg);
1025 int len = tswapl(target_cmsg->cmsg_len)
1026 - TARGET_CMSG_ALIGN(sizeof (struct target_cmsghdr));
1028 space += CMSG_SPACE(len);
1029 if (space > msgh->msg_controllen) {
1030 space -= CMSG_SPACE(len);
1031 gemu_log("Host cmsg overflow\n");
1035 cmsg->cmsg_level = tswap32(target_cmsg->cmsg_level);
1036 cmsg->cmsg_type = tswap32(target_cmsg->cmsg_type);
1037 cmsg->cmsg_len = CMSG_LEN(len);
1039 if (cmsg->cmsg_level != TARGET_SOL_SOCKET || cmsg->cmsg_type != SCM_RIGHTS) {
1040 gemu_log("Unsupported ancillary data: %d/%d\n", cmsg->cmsg_level, cmsg->cmsg_type);
1041 memcpy(data, target_data, len);
1043 int *fd = (int *)data;
1044 int *target_fd = (int *)target_data;
1045 int i, numfds = len / sizeof(int);
1047 for (i = 0; i < numfds; i++)
1048 fd[i] = tswap32(target_fd[i]);
1051 cmsg = CMSG_NXTHDR(msgh, cmsg);
1052 target_cmsg = TARGET_CMSG_NXTHDR(target_msgh, target_cmsg);
1054 unlock_user(target_cmsg, target_cmsg_addr, 0);
1056 msgh->msg_controllen = space;
1060 /* ??? Should this also swap msgh->name? */
1061 static inline abi_long host_to_target_cmsg(struct target_msghdr *target_msgh,
1062 struct msghdr *msgh)
1064 struct cmsghdr *cmsg = CMSG_FIRSTHDR(msgh);
1065 abi_long msg_controllen;
1066 abi_ulong target_cmsg_addr;
1067 struct target_cmsghdr *target_cmsg;
1068 socklen_t space = 0;
1070 msg_controllen = tswapl(target_msgh->msg_controllen);
1071 if (msg_controllen < sizeof (struct target_cmsghdr))
1073 target_cmsg_addr = tswapl(target_msgh->msg_control);
1074 target_cmsg = lock_user(VERIFY_WRITE, target_cmsg_addr, msg_controllen, 0);
1076 return -TARGET_EFAULT;
1078 while (cmsg && target_cmsg) {
1079 void *data = CMSG_DATA(cmsg);
1080 void *target_data = TARGET_CMSG_DATA(target_cmsg);
1082 int len = cmsg->cmsg_len - CMSG_ALIGN(sizeof (struct cmsghdr));
1084 space += TARGET_CMSG_SPACE(len);
1085 if (space > msg_controllen) {
1086 space -= TARGET_CMSG_SPACE(len);
1087 gemu_log("Target cmsg overflow\n");
1091 target_cmsg->cmsg_level = tswap32(cmsg->cmsg_level);
1092 target_cmsg->cmsg_type = tswap32(cmsg->cmsg_type);
1093 target_cmsg->cmsg_len = tswapl(TARGET_CMSG_LEN(len));
1095 if (cmsg->cmsg_level != TARGET_SOL_SOCKET || cmsg->cmsg_type != SCM_RIGHTS) {
1096 gemu_log("Unsupported ancillary data: %d/%d\n", cmsg->cmsg_level, cmsg->cmsg_type);
1097 memcpy(target_data, data, len);
1099 int *fd = (int *)data;
1100 int *target_fd = (int *)target_data;
1101 int i, numfds = len / sizeof(int);
1103 for (i = 0; i < numfds; i++)
1104 target_fd[i] = tswap32(fd[i]);
1107 cmsg = CMSG_NXTHDR(msgh, cmsg);
1108 target_cmsg = TARGET_CMSG_NXTHDR(target_msgh, target_cmsg);
1110 unlock_user(target_cmsg, target_cmsg_addr, space);
1112 target_msgh->msg_controllen = tswapl(space);
1116 /* do_setsockopt() Must return target values and target errnos. */
1117 static abi_long do_setsockopt(int sockfd, int level, int optname,
1118 abi_ulong optval_addr, socklen_t optlen)
1125 /* TCP options all take an 'int' value. */
1126 if (optlen < sizeof(uint32_t))
1127 return -TARGET_EINVAL;
1129 if (get_user_u32(val, optval_addr))
1130 return -TARGET_EFAULT;
1131 ret = get_errno(setsockopt(sockfd, level, optname, &val, sizeof(val)));
1138 case IP_ROUTER_ALERT:
1142 case IP_MTU_DISCOVER:
1148 case IP_MULTICAST_TTL:
1149 case IP_MULTICAST_LOOP:
1151 if (optlen >= sizeof(uint32_t)) {
1152 if (get_user_u32(val, optval_addr))
1153 return -TARGET_EFAULT;
1154 } else if (optlen >= 1) {
1155 if (get_user_u8(val, optval_addr))
1156 return -TARGET_EFAULT;
1158 ret = get_errno(setsockopt(sockfd, level, optname, &val, sizeof(val)));
1164 case TARGET_SOL_SOCKET:
1166 /* Options with 'int' argument. */
1167 case TARGET_SO_DEBUG:
1170 case TARGET_SO_REUSEADDR:
1171 optname = SO_REUSEADDR;
1173 case TARGET_SO_TYPE:
1176 case TARGET_SO_ERROR:
1179 case TARGET_SO_DONTROUTE:
1180 optname = SO_DONTROUTE;
1182 case TARGET_SO_BROADCAST:
1183 optname = SO_BROADCAST;
1185 case TARGET_SO_SNDBUF:
1186 optname = SO_SNDBUF;
1188 case TARGET_SO_RCVBUF:
1189 optname = SO_RCVBUF;
1191 case TARGET_SO_KEEPALIVE:
1192 optname = SO_KEEPALIVE;
1194 case TARGET_SO_OOBINLINE:
1195 optname = SO_OOBINLINE;
1197 case TARGET_SO_NO_CHECK:
1198 optname = SO_NO_CHECK;
1200 case TARGET_SO_PRIORITY:
1201 optname = SO_PRIORITY;
1204 case TARGET_SO_BSDCOMPAT:
1205 optname = SO_BSDCOMPAT;
1208 case TARGET_SO_PASSCRED:
1209 optname = SO_PASSCRED;
1211 case TARGET_SO_TIMESTAMP:
1212 optname = SO_TIMESTAMP;
1214 case TARGET_SO_RCVLOWAT:
1215 optname = SO_RCVLOWAT;
1217 case TARGET_SO_RCVTIMEO:
1218 optname = SO_RCVTIMEO;
1220 case TARGET_SO_SNDTIMEO:
1221 optname = SO_SNDTIMEO;
1227 if (optlen < sizeof(uint32_t))
1228 return -TARGET_EINVAL;
1230 if (get_user_u32(val, optval_addr))
1231 return -TARGET_EFAULT;
1232 ret = get_errno(setsockopt(sockfd, SOL_SOCKET, optname, &val, sizeof(val)));
1236 gemu_log("Unsupported setsockopt level=%d optname=%d \n", level, optname);
1237 ret = -TARGET_ENOPROTOOPT;
1242 /* do_getsockopt() Must return target values and target errnos. */
1243 static abi_long do_getsockopt(int sockfd, int level, int optname,
1244 abi_ulong optval_addr, abi_ulong optlen)
1251 case TARGET_SOL_SOCKET:
1254 case TARGET_SO_LINGER:
1255 case TARGET_SO_RCVTIMEO:
1256 case TARGET_SO_SNDTIMEO:
1257 case TARGET_SO_PEERCRED:
1258 case TARGET_SO_PEERNAME:
1259 /* These don't just return a single integer */
1266 /* TCP options all take an 'int' value. */
1268 if (get_user_u32(len, optlen))
1269 return -TARGET_EFAULT;
1271 return -TARGET_EINVAL;
1273 ret = get_errno(getsockopt(sockfd, level, optname, &val, &lv));
1280 if (put_user_u32(val, optval_addr))
1281 return -TARGET_EFAULT;
1283 if (put_user_u8(val, optval_addr))
1284 return -TARGET_EFAULT;
1286 if (put_user_u32(len, optlen))
1287 return -TARGET_EFAULT;
1294 case IP_ROUTER_ALERT:
1298 case IP_MTU_DISCOVER:
1304 case IP_MULTICAST_TTL:
1305 case IP_MULTICAST_LOOP:
1306 if (get_user_u32(len, optlen))
1307 return -TARGET_EFAULT;
1309 return -TARGET_EINVAL;
1311 ret = get_errno(getsockopt(sockfd, level, optname, &val, &lv));
1314 if (len < sizeof(int) && len > 0 && val >= 0 && val < 255) {
1316 if (put_user_u32(len, optlen)
1317 || put_user_u8(val, optval_addr))
1318 return -TARGET_EFAULT;
1320 if (len > sizeof(int))
1322 if (put_user_u32(len, optlen)
1323 || put_user_u32(val, optval_addr))
1324 return -TARGET_EFAULT;
1328 ret = -TARGET_ENOPROTOOPT;
1334 gemu_log("getsockopt level=%d optname=%d not yet supported\n",
1336 ret = -TARGET_EOPNOTSUPP;
1343 * lock_iovec()/unlock_iovec() have a return code of 0 for success where
1344 * other lock functions have a return code of 0 for failure.
1346 static abi_long lock_iovec(int type, struct iovec *vec, abi_ulong target_addr,
1347 int count, int copy)
1349 struct target_iovec *target_vec;
1353 target_vec = lock_user(VERIFY_READ, target_addr, count * sizeof(struct target_iovec), 1);
1355 return -TARGET_EFAULT;
1356 for(i = 0;i < count; i++) {
1357 base = tswapl(target_vec[i].iov_base);
1358 vec[i].iov_len = tswapl(target_vec[i].iov_len);
1359 if (vec[i].iov_len != 0) {
1360 vec[i].iov_base = lock_user(type, base, vec[i].iov_len, copy);
1361 /* Don't check lock_user return value. We must call writev even
1362 if a element has invalid base address. */
1364 /* zero length pointer is ignored */
1365 vec[i].iov_base = NULL;
1368 unlock_user (target_vec, target_addr, 0);
1372 static abi_long unlock_iovec(struct iovec *vec, abi_ulong target_addr,
1373 int count, int copy)
1375 struct target_iovec *target_vec;
1379 target_vec = lock_user(VERIFY_READ, target_addr, count * sizeof(struct target_iovec), 1);
1381 return -TARGET_EFAULT;
1382 for(i = 0;i < count; i++) {
1383 if (target_vec[i].iov_base) {
1384 base = tswapl(target_vec[i].iov_base);
1385 unlock_user(vec[i].iov_base, base, copy ? vec[i].iov_len : 0);
1388 unlock_user (target_vec, target_addr, 0);
1393 /* do_socket() Must return target values and target errnos. */
1394 static abi_long do_socket(int domain, int type, int protocol)
1396 #if defined(TARGET_MIPS)
1398 case TARGET_SOCK_DGRAM:
1401 case TARGET_SOCK_STREAM:
1404 case TARGET_SOCK_RAW:
1407 case TARGET_SOCK_RDM:
1410 case TARGET_SOCK_SEQPACKET:
1411 type = SOCK_SEQPACKET;
1413 case TARGET_SOCK_PACKET:
1418 if (domain == PF_NETLINK)
1419 return -EAFNOSUPPORT; /* do not NETLINK socket connections possible */
1420 return get_errno(socket(domain, type, protocol));
1423 /* do_bind() Must return target values and target errnos. */
1424 static abi_long do_bind(int sockfd, abi_ulong target_addr,
1430 return -TARGET_EINVAL;
1432 addr = alloca(addrlen+1);
1434 target_to_host_sockaddr(addr, target_addr, addrlen);
1435 return get_errno(bind(sockfd, addr, addrlen));
1438 /* do_connect() Must return target values and target errnos. */
1439 static abi_long do_connect(int sockfd, abi_ulong target_addr,
1445 return -TARGET_EINVAL;
1447 addr = alloca(addrlen);
1449 target_to_host_sockaddr(addr, target_addr, addrlen);
1450 return get_errno(connect(sockfd, addr, addrlen));
1453 /* do_sendrecvmsg() Must return target values and target errnos. */
1454 static abi_long do_sendrecvmsg(int fd, abi_ulong target_msg,
1455 int flags, int send)
1458 struct target_msghdr *msgp;
1462 abi_ulong target_vec;
1465 if (!lock_user_struct(send ? VERIFY_READ : VERIFY_WRITE,
1469 return -TARGET_EFAULT;
1470 if (msgp->msg_name) {
1471 msg.msg_namelen = tswap32(msgp->msg_namelen);
1472 msg.msg_name = alloca(msg.msg_namelen);
1473 target_to_host_sockaddr(msg.msg_name, tswapl(msgp->msg_name),
1476 msg.msg_name = NULL;
1477 msg.msg_namelen = 0;
1479 msg.msg_controllen = 2 * tswapl(msgp->msg_controllen);
1480 msg.msg_control = alloca(msg.msg_controllen);
1481 msg.msg_flags = tswap32(msgp->msg_flags);
1483 count = tswapl(msgp->msg_iovlen);
1484 vec = alloca(count * sizeof(struct iovec));
1485 target_vec = tswapl(msgp->msg_iov);
1486 lock_iovec(send ? VERIFY_READ : VERIFY_WRITE, vec, target_vec, count, send);
1487 msg.msg_iovlen = count;
1491 ret = target_to_host_cmsg(&msg, msgp);
1493 ret = get_errno(sendmsg(fd, &msg, flags));
1495 ret = get_errno(recvmsg(fd, &msg, flags));
1496 if (!is_error(ret)) {
1498 ret = host_to_target_cmsg(msgp, &msg);
1503 unlock_iovec(vec, target_vec, count, !send);
1504 unlock_user_struct(msgp, target_msg, send ? 0 : 1);
1508 /* do_accept() Must return target values and target errnos. */
1509 static abi_long do_accept(int fd, abi_ulong target_addr,
1510 abi_ulong target_addrlen_addr)
1516 if (get_user_u32(addrlen, target_addrlen_addr))
1517 return -TARGET_EFAULT;
1520 return -TARGET_EINVAL;
1522 addr = alloca(addrlen);
1524 ret = get_errno(accept(fd, addr, &addrlen));
1525 if (!is_error(ret)) {
1526 host_to_target_sockaddr(target_addr, addr, addrlen);
1527 if (put_user_u32(addrlen, target_addrlen_addr))
1528 ret = -TARGET_EFAULT;
1533 /* do_getpeername() Must return target values and target errnos. */
1534 static abi_long do_getpeername(int fd, abi_ulong target_addr,
1535 abi_ulong target_addrlen_addr)
1541 if (get_user_u32(addrlen, target_addrlen_addr))
1542 return -TARGET_EFAULT;
1545 return -TARGET_EINVAL;
1547 addr = alloca(addrlen);
1549 ret = get_errno(getpeername(fd, addr, &addrlen));
1550 if (!is_error(ret)) {
1551 host_to_target_sockaddr(target_addr, addr, addrlen);
1552 if (put_user_u32(addrlen, target_addrlen_addr))
1553 ret = -TARGET_EFAULT;
1558 /* do_getsockname() Must return target values and target errnos. */
1559 static abi_long do_getsockname(int fd, abi_ulong target_addr,
1560 abi_ulong target_addrlen_addr)
1566 if (target_addr == 0)
1567 return get_errno(accept(fd, NULL, NULL));
1569 if (get_user_u32(addrlen, target_addrlen_addr))
1570 return -TARGET_EFAULT;
1573 return -TARGET_EINVAL;
1575 addr = alloca(addrlen);
1577 ret = get_errno(getsockname(fd, addr, &addrlen));
1578 if (!is_error(ret)) {
1579 host_to_target_sockaddr(target_addr, addr, addrlen);
1580 if (put_user_u32(addrlen, target_addrlen_addr))
1581 ret = -TARGET_EFAULT;
1586 /* do_socketpair() Must return target values and target errnos. */
1587 static abi_long do_socketpair(int domain, int type, int protocol,
1588 abi_ulong target_tab_addr)
1593 ret = get_errno(socketpair(domain, type, protocol, tab));
1594 if (!is_error(ret)) {
1595 if (put_user_s32(tab[0], target_tab_addr)
1596 || put_user_s32(tab[1], target_tab_addr + sizeof(tab[0])))
1597 ret = -TARGET_EFAULT;
1602 /* do_sendto() Must return target values and target errnos. */
1603 static abi_long do_sendto(int fd, abi_ulong msg, size_t len, int flags,
1604 abi_ulong target_addr, socklen_t addrlen)
1611 return -TARGET_EINVAL;
1613 host_msg = lock_user(VERIFY_READ, msg, len, 1);
1615 return -TARGET_EFAULT;
1617 addr = alloca(addrlen);
1618 target_to_host_sockaddr(addr, target_addr, addrlen);
1619 ret = get_errno(sendto(fd, host_msg, len, flags, addr, addrlen));
1621 ret = get_errno(send(fd, host_msg, len, flags));
1623 unlock_user(host_msg, msg, 0);
1627 /* do_recvfrom() Must return target values and target errnos. */
1628 static abi_long do_recvfrom(int fd, abi_ulong msg, size_t len, int flags,
1629 abi_ulong target_addr,
1630 abi_ulong target_addrlen)
1637 host_msg = lock_user(VERIFY_WRITE, msg, len, 0);
1639 return -TARGET_EFAULT;
1641 if (get_user_u32(addrlen, target_addrlen)) {
1642 ret = -TARGET_EFAULT;
1646 ret = -TARGET_EINVAL;
1649 addr = alloca(addrlen);
1650 ret = get_errno(recvfrom(fd, host_msg, len, flags, addr, &addrlen));
1652 addr = NULL; /* To keep compiler quiet. */
1653 ret = get_errno(recv(fd, host_msg, len, flags));
1655 if (!is_error(ret)) {
1657 host_to_target_sockaddr(target_addr, addr, addrlen);
1658 if (put_user_u32(addrlen, target_addrlen)) {
1659 ret = -TARGET_EFAULT;
1663 unlock_user(host_msg, msg, len);
1666 unlock_user(host_msg, msg, 0);
1671 #ifdef TARGET_NR_socketcall
1672 /* do_socketcall() Must return target values and target errnos. */
1673 static abi_long do_socketcall(int num, abi_ulong vptr)
1676 const int n = sizeof(abi_ulong);
1681 int domain, type, protocol;
1683 if (get_user_s32(domain, vptr)
1684 || get_user_s32(type, vptr + n)
1685 || get_user_s32(protocol, vptr + 2 * n))
1686 return -TARGET_EFAULT;
1688 ret = do_socket(domain, type, protocol);
1694 abi_ulong target_addr;
1697 if (get_user_s32(sockfd, vptr)
1698 || get_user_ual(target_addr, vptr + n)
1699 || get_user_u32(addrlen, vptr + 2 * n))
1700 return -TARGET_EFAULT;
1702 ret = do_bind(sockfd, target_addr, addrlen);
1705 case SOCKOP_connect:
1708 abi_ulong target_addr;
1711 if (get_user_s32(sockfd, vptr)
1712 || get_user_ual(target_addr, vptr + n)
1713 || get_user_u32(addrlen, vptr + 2 * n))
1714 return -TARGET_EFAULT;
1716 ret = do_connect(sockfd, target_addr, addrlen);
1721 int sockfd, backlog;
1723 if (get_user_s32(sockfd, vptr)
1724 || get_user_s32(backlog, vptr + n))
1725 return -TARGET_EFAULT;
1727 ret = get_errno(listen(sockfd, backlog));
1733 abi_ulong target_addr, target_addrlen;
1735 if (get_user_s32(sockfd, vptr)
1736 || get_user_ual(target_addr, vptr + n)
1737 || get_user_u32(target_addrlen, vptr + 2 * n))
1738 return -TARGET_EFAULT;
1740 ret = do_accept(sockfd, target_addr, target_addrlen);
1743 case SOCKOP_getsockname:
1746 abi_ulong target_addr, target_addrlen;
1748 if (get_user_s32(sockfd, vptr)
1749 || get_user_ual(target_addr, vptr + n)
1750 || get_user_u32(target_addrlen, vptr + 2 * n))
1751 return -TARGET_EFAULT;
1753 ret = do_getsockname(sockfd, target_addr, target_addrlen);
1756 case SOCKOP_getpeername:
1759 abi_ulong target_addr, target_addrlen;
1761 if (get_user_s32(sockfd, vptr)
1762 || get_user_ual(target_addr, vptr + n)
1763 || get_user_u32(target_addrlen, vptr + 2 * n))
1764 return -TARGET_EFAULT;
1766 ret = do_getpeername(sockfd, target_addr, target_addrlen);
1769 case SOCKOP_socketpair:
1771 int domain, type, protocol;
1774 if (get_user_s32(domain, vptr)
1775 || get_user_s32(type, vptr + n)
1776 || get_user_s32(protocol, vptr + 2 * n)
1777 || get_user_ual(tab, vptr + 3 * n))
1778 return -TARGET_EFAULT;
1780 ret = do_socketpair(domain, type, protocol, tab);
1790 if (get_user_s32(sockfd, vptr)
1791 || get_user_ual(msg, vptr + n)
1792 || get_user_ual(len, vptr + 2 * n)
1793 || get_user_s32(flags, vptr + 3 * n))
1794 return -TARGET_EFAULT;
1796 ret = do_sendto(sockfd, msg, len, flags, 0, 0);
1806 if (get_user_s32(sockfd, vptr)
1807 || get_user_ual(msg, vptr + n)
1808 || get_user_ual(len, vptr + 2 * n)
1809 || get_user_s32(flags, vptr + 3 * n))
1810 return -TARGET_EFAULT;
1812 ret = do_recvfrom(sockfd, msg, len, flags, 0, 0);
1824 if (get_user_s32(sockfd, vptr)
1825 || get_user_ual(msg, vptr + n)
1826 || get_user_ual(len, vptr + 2 * n)
1827 || get_user_s32(flags, vptr + 3 * n)
1828 || get_user_ual(addr, vptr + 4 * n)
1829 || get_user_u32(addrlen, vptr + 5 * n))
1830 return -TARGET_EFAULT;
1832 ret = do_sendto(sockfd, msg, len, flags, addr, addrlen);
1835 case SOCKOP_recvfrom:
1844 if (get_user_s32(sockfd, vptr)
1845 || get_user_ual(msg, vptr + n)
1846 || get_user_ual(len, vptr + 2 * n)
1847 || get_user_s32(flags, vptr + 3 * n)
1848 || get_user_ual(addr, vptr + 4 * n)
1849 || get_user_u32(addrlen, vptr + 5 * n))
1850 return -TARGET_EFAULT;
1852 ret = do_recvfrom(sockfd, msg, len, flags, addr, addrlen);
1855 case SOCKOP_shutdown:
1859 if (get_user_s32(sockfd, vptr)
1860 || get_user_s32(how, vptr + n))
1861 return -TARGET_EFAULT;
1863 ret = get_errno(shutdown(sockfd, how));
1866 case SOCKOP_sendmsg:
1867 case SOCKOP_recvmsg:
1870 abi_ulong target_msg;
1873 if (get_user_s32(fd, vptr)
1874 || get_user_ual(target_msg, vptr + n)
1875 || get_user_s32(flags, vptr + 2 * n))
1876 return -TARGET_EFAULT;
1878 ret = do_sendrecvmsg(fd, target_msg, flags,
1879 (num == SOCKOP_sendmsg));
1882 case SOCKOP_setsockopt:
1890 if (get_user_s32(sockfd, vptr)
1891 || get_user_s32(level, vptr + n)
1892 || get_user_s32(optname, vptr + 2 * n)
1893 || get_user_ual(optval, vptr + 3 * n)
1894 || get_user_u32(optlen, vptr + 4 * n))
1895 return -TARGET_EFAULT;
1897 ret = do_setsockopt(sockfd, level, optname, optval, optlen);
1900 case SOCKOP_getsockopt:
1908 if (get_user_s32(sockfd, vptr)
1909 || get_user_s32(level, vptr + n)
1910 || get_user_s32(optname, vptr + 2 * n)
1911 || get_user_ual(optval, vptr + 3 * n)
1912 || get_user_u32(optlen, vptr + 4 * n))
1913 return -TARGET_EFAULT;
1915 ret = do_getsockopt(sockfd, level, optname, optval, optlen);
1919 gemu_log("Unsupported socketcall: %d\n", num);
1920 ret = -TARGET_ENOSYS;
1927 #ifdef TARGET_NR_ipc
1928 #define N_SHM_REGIONS 32
1930 static struct shm_region {
1933 } shm_regions[N_SHM_REGIONS];
1936 struct target_ipc_perm
1943 unsigned short int mode;
1944 unsigned short int __pad1;
1945 unsigned short int __seq;
1946 unsigned short int __pad2;
1947 abi_ulong __unused1;
1948 abi_ulong __unused2;
1951 struct target_semid_ds
1953 struct target_ipc_perm sem_perm;
1954 abi_ulong sem_otime;
1955 abi_ulong __unused1;
1956 abi_ulong sem_ctime;
1957 abi_ulong __unused2;
1958 abi_ulong sem_nsems;
1959 abi_ulong __unused3;
1960 abi_ulong __unused4;
1963 static inline abi_long target_to_host_ipc_perm(struct ipc_perm *host_ip,
1964 abi_ulong target_addr)
1966 struct target_ipc_perm *target_ip;
1967 struct target_semid_ds *target_sd;
1969 if (!lock_user_struct(VERIFY_READ, target_sd, target_addr, 1))
1970 return -TARGET_EFAULT;
1971 target_ip=&(target_sd->sem_perm);
1972 host_ip->__key = tswapl(target_ip->__key);
1973 host_ip->uid = tswapl(target_ip->uid);
1974 host_ip->gid = tswapl(target_ip->gid);
1975 host_ip->cuid = tswapl(target_ip->cuid);
1976 host_ip->cgid = tswapl(target_ip->cgid);
1977 host_ip->mode = tswapl(target_ip->mode);
1978 unlock_user_struct(target_sd, target_addr, 0);
1982 static inline abi_long host_to_target_ipc_perm(abi_ulong target_addr,
1983 struct ipc_perm *host_ip)
1985 struct target_ipc_perm *target_ip;
1986 struct target_semid_ds *target_sd;
1988 if (!lock_user_struct(VERIFY_WRITE, target_sd, target_addr, 0))
1989 return -TARGET_EFAULT;
1990 target_ip = &(target_sd->sem_perm);
1991 target_ip->__key = tswapl(host_ip->__key);
1992 target_ip->uid = tswapl(host_ip->uid);
1993 target_ip->gid = tswapl(host_ip->gid);
1994 target_ip->cuid = tswapl(host_ip->cuid);
1995 target_ip->cgid = tswapl(host_ip->cgid);
1996 target_ip->mode = tswapl(host_ip->mode);
1997 unlock_user_struct(target_sd, target_addr, 1);
2001 static inline abi_long target_to_host_semid_ds(struct semid_ds *host_sd,
2002 abi_ulong target_addr)
2004 struct target_semid_ds *target_sd;
2006 if (!lock_user_struct(VERIFY_READ, target_sd, target_addr, 1))
2007 return -TARGET_EFAULT;
2008 target_to_host_ipc_perm(&(host_sd->sem_perm),target_addr);
2009 host_sd->sem_nsems = tswapl(target_sd->sem_nsems);
2010 host_sd->sem_otime = tswapl(target_sd->sem_otime);
2011 host_sd->sem_ctime = tswapl(target_sd->sem_ctime);
2012 unlock_user_struct(target_sd, target_addr, 0);
2016 static inline abi_long host_to_target_semid_ds(abi_ulong target_addr,
2017 struct semid_ds *host_sd)
2019 struct target_semid_ds *target_sd;
2021 if (!lock_user_struct(VERIFY_WRITE, target_sd, target_addr, 0))
2022 return -TARGET_EFAULT;
2023 host_to_target_ipc_perm(target_addr,&(host_sd->sem_perm));
2024 target_sd->sem_nsems = tswapl(host_sd->sem_nsems);
2025 target_sd->sem_otime = tswapl(host_sd->sem_otime);
2026 target_sd->sem_ctime = tswapl(host_sd->sem_ctime);
2027 unlock_user_struct(target_sd, target_addr, 1);
2033 struct semid_ds *buf;
2034 unsigned short *array;
2037 union target_semun {
2040 unsigned short int *array;
2043 static inline abi_long target_to_host_semun(int cmd,
2044 union semun *host_su,
2045 abi_ulong target_addr,
2046 struct semid_ds *ds)
2048 union target_semun *target_su;
2053 if (!lock_user_struct(VERIFY_READ, target_su, target_addr, 1))
2054 return -TARGET_EFAULT;
2055 target_to_host_semid_ds(ds,target_su->buf);
2057 unlock_user_struct(target_su, target_addr, 0);
2061 if (!lock_user_struct(VERIFY_READ, target_su, target_addr, 1))
2062 return -TARGET_EFAULT;
2063 host_su->val = tswapl(target_su->val);
2064 unlock_user_struct(target_su, target_addr, 0);
2068 if (!lock_user_struct(VERIFY_READ, target_su, target_addr, 1))
2069 return -TARGET_EFAULT;
2070 *host_su->array = tswap16(*target_su->array);
2071 unlock_user_struct(target_su, target_addr, 0);
2074 gemu_log("semun operation not fully supported: %d\n", (int)cmd);
2079 static inline abi_long host_to_target_semun(int cmd,
2080 abi_ulong target_addr,
2081 union semun *host_su,
2082 struct semid_ds *ds)
2084 union target_semun *target_su;
2089 if (lock_user_struct(VERIFY_WRITE, target_su, target_addr, 0))
2090 return -TARGET_EFAULT;
2091 host_to_target_semid_ds(target_su->buf,ds);
2092 unlock_user_struct(target_su, target_addr, 1);
2096 if (lock_user_struct(VERIFY_WRITE, target_su, target_addr, 0))
2097 return -TARGET_EFAULT;
2098 target_su->val = tswapl(host_su->val);
2099 unlock_user_struct(target_su, target_addr, 1);
2103 if (lock_user_struct(VERIFY_WRITE, target_su, target_addr, 0))
2104 return -TARGET_EFAULT;
2105 *target_su->array = tswap16(*host_su->array);
2106 unlock_user_struct(target_su, target_addr, 1);
2109 gemu_log("semun operation not fully supported: %d\n", (int)cmd);
2114 static inline abi_long do_semctl(int first, int second, int third,
2118 struct semid_ds dsarg;
2119 int cmd = third&0xff;
2124 target_to_host_semun(cmd,&arg,ptr,&dsarg);
2125 ret = get_errno(semctl(first, second, cmd, arg));
2126 host_to_target_semun(cmd,ptr,&arg,&dsarg);
2129 target_to_host_semun(cmd,&arg,ptr,&dsarg);
2130 ret = get_errno(semctl(first, second, cmd, arg));
2131 host_to_target_semun(cmd,ptr,&arg,&dsarg);
2134 target_to_host_semun(cmd,&arg,ptr,&dsarg);
2135 ret = get_errno(semctl(first, second, cmd, arg));
2136 host_to_target_semun(cmd,ptr,&arg,&dsarg);
2139 target_to_host_semun(cmd,&arg,ptr,&dsarg);
2140 ret = get_errno(semctl(first, second, cmd, arg));
2141 host_to_target_semun(cmd,ptr,&arg,&dsarg);
2144 target_to_host_semun(cmd,&arg,ptr,&dsarg);
2145 ret = get_errno(semctl(first, second, cmd, arg));
2146 host_to_target_semun(cmd,ptr,&arg,&dsarg);
2149 target_to_host_semun(cmd,&arg,ptr,&dsarg);
2150 ret = get_errno(semctl(first, second, cmd, arg));
2151 host_to_target_semun(cmd,ptr,&arg,&dsarg);
2154 ret = get_errno(semctl(first, second, cmd, arg));
2160 struct target_msqid_ds
2162 struct target_ipc_perm msg_perm;
2163 abi_ulong msg_stime;
2164 #if TARGET_ABI_BITS == 32
2165 abi_ulong __unused1;
2167 abi_ulong msg_rtime;
2168 #if TARGET_ABI_BITS == 32
2169 abi_ulong __unused2;
2171 abi_ulong msg_ctime;
2172 #if TARGET_ABI_BITS == 32
2173 abi_ulong __unused3;
2175 abi_ulong __msg_cbytes;
2177 abi_ulong msg_qbytes;
2178 abi_ulong msg_lspid;
2179 abi_ulong msg_lrpid;
2180 abi_ulong __unused4;
2181 abi_ulong __unused5;
2184 static inline abi_long target_to_host_msqid_ds(struct msqid_ds *host_md,
2185 abi_ulong target_addr)
2187 struct target_msqid_ds *target_md;
2189 if (!lock_user_struct(VERIFY_READ, target_md, target_addr, 1))
2190 return -TARGET_EFAULT;
2191 if (target_to_host_ipc_perm(&(host_md->msg_perm),target_addr))
2192 return -TARGET_EFAULT;
2193 host_md->msg_stime = tswapl(target_md->msg_stime);
2194 host_md->msg_rtime = tswapl(target_md->msg_rtime);
2195 host_md->msg_ctime = tswapl(target_md->msg_ctime);
2196 host_md->__msg_cbytes = tswapl(target_md->__msg_cbytes);
2197 host_md->msg_qnum = tswapl(target_md->msg_qnum);
2198 host_md->msg_qbytes = tswapl(target_md->msg_qbytes);
2199 host_md->msg_lspid = tswapl(target_md->msg_lspid);
2200 host_md->msg_lrpid = tswapl(target_md->msg_lrpid);
2201 unlock_user_struct(target_md, target_addr, 0);
2205 static inline abi_long host_to_target_msqid_ds(abi_ulong target_addr,
2206 struct msqid_ds *host_md)
2208 struct target_msqid_ds *target_md;
2210 if (!lock_user_struct(VERIFY_WRITE, target_md, target_addr, 0))
2211 return -TARGET_EFAULT;
2212 if (host_to_target_ipc_perm(target_addr,&(host_md->msg_perm)))
2213 return -TARGET_EFAULT;
2214 target_md->msg_stime = tswapl(host_md->msg_stime);
2215 target_md->msg_rtime = tswapl(host_md->msg_rtime);
2216 target_md->msg_ctime = tswapl(host_md->msg_ctime);
2217 target_md->__msg_cbytes = tswapl(host_md->__msg_cbytes);
2218 target_md->msg_qnum = tswapl(host_md->msg_qnum);
2219 target_md->msg_qbytes = tswapl(host_md->msg_qbytes);
2220 target_md->msg_lspid = tswapl(host_md->msg_lspid);
2221 target_md->msg_lrpid = tswapl(host_md->msg_lrpid);
2222 unlock_user_struct(target_md, target_addr, 1);
2226 struct target_msginfo {
2234 unsigned short int msgseg;
2237 static inline abi_long host_to_target_msginfo(abi_ulong target_addr,
2238 struct msginfo *host_msginfo)
2240 struct target_msginfo *target_msginfo;
2241 if (!lock_user_struct(VERIFY_WRITE, target_msginfo, target_addr, 0))
2242 return -TARGET_EFAULT;
2243 __put_user(host_msginfo->msgpool, &target_msginfo->msgpool);
2244 __put_user(host_msginfo->msgmap, &target_msginfo->msgmap);
2245 __put_user(host_msginfo->msgmax, &target_msginfo->msgmax);
2246 __put_user(host_msginfo->msgmnb, &target_msginfo->msgmnb);
2247 __put_user(host_msginfo->msgmni, &target_msginfo->msgmni);
2248 __put_user(host_msginfo->msgssz, &target_msginfo->msgssz);
2249 __put_user(host_msginfo->msgtql, &target_msginfo->msgtql);
2250 __put_user(host_msginfo->msgseg, &target_msginfo->msgseg);
2251 unlock_user_struct(target_msginfo, target_addr, 1);
2255 static inline abi_long do_msgctl(int msgid, int cmd, abi_long ptr)
2257 struct msqid_ds dsarg;
2258 struct msginfo msginfo;
2259 abi_long ret = -TARGET_EINVAL;
2267 if (target_to_host_msqid_ds(&dsarg,ptr))
2268 return -TARGET_EFAULT;
2269 ret = get_errno(msgctl(msgid, cmd, &dsarg));
2270 if (host_to_target_msqid_ds(ptr,&dsarg))
2271 return -TARGET_EFAULT;
2274 ret = get_errno(msgctl(msgid, cmd, NULL));
2278 ret = get_errno(msgctl(msgid, cmd, (struct msqid_ds *)&msginfo));
2279 if (host_to_target_msginfo(ptr, &msginfo))
2280 return -TARGET_EFAULT;
2287 struct target_msgbuf {
2292 static inline abi_long do_msgsnd(int msqid, abi_long msgp,
2293 unsigned int msgsz, int msgflg)
2295 struct target_msgbuf *target_mb;
2296 struct msgbuf *host_mb;
2299 if (!lock_user_struct(VERIFY_READ, target_mb, msgp, 0))
2300 return -TARGET_EFAULT;
2301 host_mb = malloc(msgsz+sizeof(long));
2302 host_mb->mtype = (abi_long) tswapl(target_mb->mtype);
2303 memcpy(host_mb->mtext, target_mb->mtext, msgsz);
2304 ret = get_errno(msgsnd(msqid, host_mb, msgsz, msgflg));
2306 unlock_user_struct(target_mb, msgp, 0);
2311 static inline abi_long do_msgrcv(int msqid, abi_long msgp,
2312 unsigned int msgsz, abi_long msgtyp,
2315 struct target_msgbuf *target_mb;
2317 struct msgbuf *host_mb;
2320 if (!lock_user_struct(VERIFY_WRITE, target_mb, msgp, 0))
2321 return -TARGET_EFAULT;
2323 host_mb = malloc(msgsz+sizeof(long));
2324 ret = get_errno(msgrcv(msqid, host_mb, msgsz, tswapl(msgtyp), msgflg));
2327 abi_ulong target_mtext_addr = msgp + sizeof(abi_ulong);
2328 target_mtext = lock_user(VERIFY_WRITE, target_mtext_addr, ret, 0);
2329 if (!target_mtext) {
2330 ret = -TARGET_EFAULT;
2333 memcpy(target_mb->mtext, host_mb->mtext, ret);
2334 unlock_user(target_mtext, target_mtext_addr, ret);
2337 target_mb->mtype = tswapl(host_mb->mtype);
2342 unlock_user_struct(target_mb, msgp, 1);
2346 #ifdef TARGET_NR_ipc
2347 /* ??? This only works with linear mappings. */
2348 /* do_ipc() must return target values and target errnos. */
2349 static abi_long do_ipc(unsigned int call, int first,
2350 int second, int third,
2351 abi_long ptr, abi_long fifth)
2355 struct shmid_ds shm_info;
2358 version = call >> 16;
2363 ret = get_errno(semop(first,(struct sembuf *)g2h(ptr), second));
2367 ret = get_errno(semget(first, second, third));
2371 ret = do_semctl(first, second, third, ptr);
2374 case IPCOP_semtimedop:
2375 gemu_log("Unsupported ipc call: %d (version %d)\n", call, version);
2376 ret = -TARGET_ENOSYS;
2380 ret = get_errno(msgget(first, second));
2384 ret = do_msgsnd(first, ptr, second, third);
2388 ret = do_msgctl(first, second, ptr);
2395 struct target_ipc_kludge {
2400 if (!lock_user_struct(VERIFY_READ, tmp, ptr, 1)) {
2401 ret = -TARGET_EFAULT;
2405 ret = do_msgrcv(first, tmp->msgp, second, tmp->msgtyp, third);
2407 unlock_user_struct(tmp, ptr, 0);
2411 ret = do_msgrcv(first, ptr, second, fifth, third);
2419 /* SHM_* flags are the same on all linux platforms */
2420 host_addr = shmat(first, (void *)g2h(ptr), second);
2421 if (host_addr == (void *)-1) {
2422 ret = get_errno((long)host_addr);
2425 raddr = h2g((unsigned long)host_addr);
2426 /* find out the length of the shared memory segment */
2428 ret = get_errno(shmctl(first, IPC_STAT, &shm_info));
2429 if (is_error(ret)) {
2430 /* can't get length, bail out */
2434 page_set_flags(raddr, raddr + shm_info.shm_segsz,
2435 PAGE_VALID | PAGE_READ |
2436 ((second & SHM_RDONLY)? 0: PAGE_WRITE));
2437 for (i = 0; i < N_SHM_REGIONS; ++i) {
2438 if (shm_regions[i].start == 0) {
2439 shm_regions[i].start = raddr;
2440 shm_regions[i].size = shm_info.shm_segsz;
2444 if (put_user_ual(raddr, third))
2445 return -TARGET_EFAULT;
2450 for (i = 0; i < N_SHM_REGIONS; ++i) {
2451 if (shm_regions[i].start == ptr) {
2452 shm_regions[i].start = 0;
2453 page_set_flags(ptr, shm_regions[i].size, 0);
2457 ret = get_errno(shmdt((void *)g2h(ptr)));
2461 /* IPC_* flag values are the same on all linux platforms */
2462 ret = get_errno(shmget(first, second, third));
2465 /* IPC_* and SHM_* command values are the same on all linux platforms */
2471 ret = get_errno(shmctl(first, second, NULL));
2479 gemu_log("Unsupported ipc call: %d (version %d)\n", call, version);
2480 ret = -TARGET_ENOSYS;
2487 /* kernel structure types definitions */
2490 #define STRUCT(name, list...) STRUCT_ ## name,
2491 #define STRUCT_SPECIAL(name) STRUCT_ ## name,
2493 #include "syscall_types.h"
2496 #undef STRUCT_SPECIAL
2498 #define STRUCT(name, list...) static const argtype struct_ ## name ## _def[] = { list, TYPE_NULL };
2499 #define STRUCT_SPECIAL(name)
2500 #include "syscall_types.h"
2502 #undef STRUCT_SPECIAL
2504 typedef struct IOCTLEntry {
2505 unsigned int target_cmd;
2506 unsigned int host_cmd;
2509 const argtype arg_type[5];
2512 #define IOC_R 0x0001
2513 #define IOC_W 0x0002
2514 #define IOC_RW (IOC_R | IOC_W)
2516 #define MAX_STRUCT_SIZE 4096
2518 static IOCTLEntry ioctl_entries[] = {
2519 #define IOCTL(cmd, access, types...) \
2520 { TARGET_ ## cmd, cmd, #cmd, access, { types } },
2525 /* ??? Implement proper locking for ioctls. */
2526 /* do_ioctl() Must return target values and target errnos. */
2527 static abi_long do_ioctl(int fd, abi_long cmd, abi_long arg)
2529 const IOCTLEntry *ie;
2530 const argtype *arg_type;
2532 uint8_t buf_temp[MAX_STRUCT_SIZE];
2538 if (ie->target_cmd == 0) {
2539 gemu_log("Unsupported ioctl: cmd=0x%04lx\n", (long)cmd);
2540 return -TARGET_ENOSYS;
2542 if (ie->target_cmd == cmd)
2546 arg_type = ie->arg_type;
2548 gemu_log("ioctl: cmd=0x%04lx (%s)\n", (long)cmd, ie->name);
2550 switch(arg_type[0]) {
2553 ret = get_errno(ioctl(fd, ie->host_cmd));
2558 ret = get_errno(ioctl(fd, ie->host_cmd, arg));
2562 target_size = thunk_type_size(arg_type, 0);
2563 switch(ie->access) {
2565 ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp));
2566 if (!is_error(ret)) {
2567 argptr = lock_user(VERIFY_WRITE, arg, target_size, 0);
2569 return -TARGET_EFAULT;
2570 thunk_convert(argptr, buf_temp, arg_type, THUNK_TARGET);
2571 unlock_user(argptr, arg, target_size);
2575 argptr = lock_user(VERIFY_READ, arg, target_size, 1);
2577 return -TARGET_EFAULT;
2578 thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST);
2579 unlock_user(argptr, arg, 0);
2580 ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp));
2584 argptr = lock_user(VERIFY_READ, arg, target_size, 1);
2586 return -TARGET_EFAULT;
2587 thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST);
2588 unlock_user(argptr, arg, 0);
2589 ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp));
2590 if (!is_error(ret)) {
2591 argptr = lock_user(VERIFY_WRITE, arg, target_size, 0);
2593 return -TARGET_EFAULT;
2594 thunk_convert(argptr, buf_temp, arg_type, THUNK_TARGET);
2595 unlock_user(argptr, arg, target_size);
2601 gemu_log("Unsupported ioctl type: cmd=0x%04lx type=%d\n",
2602 (long)cmd, arg_type[0]);
2603 ret = -TARGET_ENOSYS;
2609 static const bitmask_transtbl iflag_tbl[] = {
2610 { TARGET_IGNBRK, TARGET_IGNBRK, IGNBRK, IGNBRK },
2611 { TARGET_BRKINT, TARGET_BRKINT, BRKINT, BRKINT },
2612 { TARGET_IGNPAR, TARGET_IGNPAR, IGNPAR, IGNPAR },
2613 { TARGET_PARMRK, TARGET_PARMRK, PARMRK, PARMRK },
2614 { TARGET_INPCK, TARGET_INPCK, INPCK, INPCK },
2615 { TARGET_ISTRIP, TARGET_ISTRIP, ISTRIP, ISTRIP },
2616 { TARGET_INLCR, TARGET_INLCR, INLCR, INLCR },
2617 { TARGET_IGNCR, TARGET_IGNCR, IGNCR, IGNCR },
2618 { TARGET_ICRNL, TARGET_ICRNL, ICRNL, ICRNL },
2619 { TARGET_IUCLC, TARGET_IUCLC, IUCLC, IUCLC },
2620 { TARGET_IXON, TARGET_IXON, IXON, IXON },
2621 { TARGET_IXANY, TARGET_IXANY, IXANY, IXANY },
2622 { TARGET_IXOFF, TARGET_IXOFF, IXOFF, IXOFF },
2623 { TARGET_IMAXBEL, TARGET_IMAXBEL, IMAXBEL, IMAXBEL },
2627 static const bitmask_transtbl oflag_tbl[] = {
2628 { TARGET_OPOST, TARGET_OPOST, OPOST, OPOST },
2629 { TARGET_OLCUC, TARGET_OLCUC, OLCUC, OLCUC },
2630 { TARGET_ONLCR, TARGET_ONLCR, ONLCR, ONLCR },
2631 { TARGET_OCRNL, TARGET_OCRNL, OCRNL, OCRNL },
2632 { TARGET_ONOCR, TARGET_ONOCR, ONOCR, ONOCR },
2633 { TARGET_ONLRET, TARGET_ONLRET, ONLRET, ONLRET },
2634 { TARGET_OFILL, TARGET_OFILL, OFILL, OFILL },
2635 { TARGET_OFDEL, TARGET_OFDEL, OFDEL, OFDEL },
2636 { TARGET_NLDLY, TARGET_NL0, NLDLY, NL0 },
2637 { TARGET_NLDLY, TARGET_NL1, NLDLY, NL1 },
2638 { TARGET_CRDLY, TARGET_CR0, CRDLY, CR0 },
2639 { TARGET_CRDLY, TARGET_CR1, CRDLY, CR1 },
2640 { TARGET_CRDLY, TARGET_CR2, CRDLY, CR2 },
2641 { TARGET_CRDLY, TARGET_CR3, CRDLY, CR3 },
2642 { TARGET_TABDLY, TARGET_TAB0, TABDLY, TAB0 },
2643 { TARGET_TABDLY, TARGET_TAB1, TABDLY, TAB1 },
2644 { TARGET_TABDLY, TARGET_TAB2, TABDLY, TAB2 },
2645 { TARGET_TABDLY, TARGET_TAB3, TABDLY, TAB3 },
2646 { TARGET_BSDLY, TARGET_BS0, BSDLY, BS0 },
2647 { TARGET_BSDLY, TARGET_BS1, BSDLY, BS1 },
2648 { TARGET_VTDLY, TARGET_VT0, VTDLY, VT0 },
2649 { TARGET_VTDLY, TARGET_VT1, VTDLY, VT1 },
2650 { TARGET_FFDLY, TARGET_FF0, FFDLY, FF0 },
2651 { TARGET_FFDLY, TARGET_FF1, FFDLY, FF1 },
2655 static const bitmask_transtbl cflag_tbl[] = {
2656 { TARGET_CBAUD, TARGET_B0, CBAUD, B0 },
2657 { TARGET_CBAUD, TARGET_B50, CBAUD, B50 },
2658 { TARGET_CBAUD, TARGET_B75, CBAUD, B75 },
2659 { TARGET_CBAUD, TARGET_B110, CBAUD, B110 },
2660 { TARGET_CBAUD, TARGET_B134, CBAUD, B134 },
2661 { TARGET_CBAUD, TARGET_B150, CBAUD, B150 },
2662 { TARGET_CBAUD, TARGET_B200, CBAUD, B200 },
2663 { TARGET_CBAUD, TARGET_B300, CBAUD, B300 },
2664 { TARGET_CBAUD, TARGET_B600, CBAUD, B600 },
2665 { TARGET_CBAUD, TARGET_B1200, CBAUD, B1200 },
2666 { TARGET_CBAUD, TARGET_B1800, CBAUD, B1800 },
2667 { TARGET_CBAUD, TARGET_B2400, CBAUD, B2400 },
2668 { TARGET_CBAUD, TARGET_B4800, CBAUD, B4800 },
2669 { TARGET_CBAUD, TARGET_B9600, CBAUD, B9600 },
2670 { TARGET_CBAUD, TARGET_B19200, CBAUD, B19200 },
2671 { TARGET_CBAUD, TARGET_B38400, CBAUD, B38400 },
2672 { TARGET_CBAUD, TARGET_B57600, CBAUD, B57600 },
2673 { TARGET_CBAUD, TARGET_B115200, CBAUD, B115200 },
2674 { TARGET_CBAUD, TARGET_B230400, CBAUD, B230400 },
2675 { TARGET_CBAUD, TARGET_B460800, CBAUD, B460800 },
2676 { TARGET_CSIZE, TARGET_CS5, CSIZE, CS5 },
2677 { TARGET_CSIZE, TARGET_CS6, CSIZE, CS6 },
2678 { TARGET_CSIZE, TARGET_CS7, CSIZE, CS7 },
2679 { TARGET_CSIZE, TARGET_CS8, CSIZE, CS8 },
2680 { TARGET_CSTOPB, TARGET_CSTOPB, CSTOPB, CSTOPB },
2681 { TARGET_CREAD, TARGET_CREAD, CREAD, CREAD },
2682 { TARGET_PARENB, TARGET_PARENB, PARENB, PARENB },
2683 { TARGET_PARODD, TARGET_PARODD, PARODD, PARODD },
2684 { TARGET_HUPCL, TARGET_HUPCL, HUPCL, HUPCL },
2685 { TARGET_CLOCAL, TARGET_CLOCAL, CLOCAL, CLOCAL },
2686 { TARGET_CRTSCTS, TARGET_CRTSCTS, CRTSCTS, CRTSCTS },
2690 static const bitmask_transtbl lflag_tbl[] = {
2691 { TARGET_ISIG, TARGET_ISIG, ISIG, ISIG },
2692 { TARGET_ICANON, TARGET_ICANON, ICANON, ICANON },
2693 { TARGET_XCASE, TARGET_XCASE, XCASE, XCASE },
2694 { TARGET_ECHO, TARGET_ECHO, ECHO, ECHO },
2695 { TARGET_ECHOE, TARGET_ECHOE, ECHOE, ECHOE },
2696 { TARGET_ECHOK, TARGET_ECHOK, ECHOK, ECHOK },
2697 { TARGET_ECHONL, TARGET_ECHONL, ECHONL, ECHONL },
2698 { TARGET_NOFLSH, TARGET_NOFLSH, NOFLSH, NOFLSH },
2699 { TARGET_TOSTOP, TARGET_TOSTOP, TOSTOP, TOSTOP },
2700 { TARGET_ECHOCTL, TARGET_ECHOCTL, ECHOCTL, ECHOCTL },
2701 { TARGET_ECHOPRT, TARGET_ECHOPRT, ECHOPRT, ECHOPRT },
2702 { TARGET_ECHOKE, TARGET_ECHOKE, ECHOKE, ECHOKE },
2703 { TARGET_FLUSHO, TARGET_FLUSHO, FLUSHO, FLUSHO },
2704 { TARGET_PENDIN, TARGET_PENDIN, PENDIN, PENDIN },
2705 { TARGET_IEXTEN, TARGET_IEXTEN, IEXTEN, IEXTEN },
2709 static void target_to_host_termios (void *dst, const void *src)
2711 struct host_termios *host = dst;
2712 const struct target_termios *target = src;
2715 target_to_host_bitmask(tswap32(target->c_iflag), iflag_tbl);
2717 target_to_host_bitmask(tswap32(target->c_oflag), oflag_tbl);
2719 target_to_host_bitmask(tswap32(target->c_cflag), cflag_tbl);
2721 target_to_host_bitmask(tswap32(target->c_lflag), lflag_tbl);
2722 host->c_line = target->c_line;
2724 host->c_cc[VINTR] = target->c_cc[TARGET_VINTR];
2725 host->c_cc[VQUIT] = target->c_cc[TARGET_VQUIT];
2726 host->c_cc[VERASE] = target->c_cc[TARGET_VERASE];
2727 host->c_cc[VKILL] = target->c_cc[TARGET_VKILL];
2728 host->c_cc[VEOF] = target->c_cc[TARGET_VEOF];
2729 host->c_cc[VTIME] = target->c_cc[TARGET_VTIME];
2730 host->c_cc[VMIN] = target->c_cc[TARGET_VMIN];
2731 host->c_cc[VSWTC] = target->c_cc[TARGET_VSWTC];
2732 host->c_cc[VSTART] = target->c_cc[TARGET_VSTART];
2733 host->c_cc[VSTOP] = target->c_cc[TARGET_VSTOP];
2734 host->c_cc[VSUSP] = target->c_cc[TARGET_VSUSP];
2735 host->c_cc[VEOL] = target->c_cc[TARGET_VEOL];
2736 host->c_cc[VREPRINT] = target->c_cc[TARGET_VREPRINT];
2737 host->c_cc[VDISCARD] = target->c_cc[TARGET_VDISCARD];
2738 host->c_cc[VWERASE] = target->c_cc[TARGET_VWERASE];
2739 host->c_cc[VLNEXT] = target->c_cc[TARGET_VLNEXT];
2740 host->c_cc[VEOL2] = target->c_cc[TARGET_VEOL2];
2743 static void host_to_target_termios (void *dst, const void *src)
2745 struct target_termios *target = dst;
2746 const struct host_termios *host = src;
2749 tswap32(host_to_target_bitmask(host->c_iflag, iflag_tbl));
2751 tswap32(host_to_target_bitmask(host->c_oflag, oflag_tbl));
2753 tswap32(host_to_target_bitmask(host->c_cflag, cflag_tbl));
2755 tswap32(host_to_target_bitmask(host->c_lflag, lflag_tbl));
2756 target->c_line = host->c_line;
2758 target->c_cc[TARGET_VINTR] = host->c_cc[VINTR];
2759 target->c_cc[TARGET_VQUIT] = host->c_cc[VQUIT];
2760 target->c_cc[TARGET_VERASE] = host->c_cc[VERASE];
2761 target->c_cc[TARGET_VKILL] = host->c_cc[VKILL];
2762 target->c_cc[TARGET_VEOF] = host->c_cc[VEOF];
2763 target->c_cc[TARGET_VTIME] = host->c_cc[VTIME];
2764 target->c_cc[TARGET_VMIN] = host->c_cc[VMIN];
2765 target->c_cc[TARGET_VSWTC] = host->c_cc[VSWTC];
2766 target->c_cc[TARGET_VSTART] = host->c_cc[VSTART];
2767 target->c_cc[TARGET_VSTOP] = host->c_cc[VSTOP];
2768 target->c_cc[TARGET_VSUSP] = host->c_cc[VSUSP];
2769 target->c_cc[TARGET_VEOL] = host->c_cc[VEOL];
2770 target->c_cc[TARGET_VREPRINT] = host->c_cc[VREPRINT];
2771 target->c_cc[TARGET_VDISCARD] = host->c_cc[VDISCARD];
2772 target->c_cc[TARGET_VWERASE] = host->c_cc[VWERASE];
2773 target->c_cc[TARGET_VLNEXT] = host->c_cc[VLNEXT];
2774 target->c_cc[TARGET_VEOL2] = host->c_cc[VEOL2];
2777 static const StructEntry struct_termios_def = {
2778 .convert = { host_to_target_termios, target_to_host_termios },
2779 .size = { sizeof(struct target_termios), sizeof(struct host_termios) },
2780 .align = { __alignof__(struct target_termios), __alignof__(struct host_termios) },
2783 static bitmask_transtbl mmap_flags_tbl[] = {
2784 { TARGET_MAP_SHARED, TARGET_MAP_SHARED, MAP_SHARED, MAP_SHARED },
2785 { TARGET_MAP_PRIVATE, TARGET_MAP_PRIVATE, MAP_PRIVATE, MAP_PRIVATE },
2786 { TARGET_MAP_FIXED, TARGET_MAP_FIXED, MAP_FIXED, MAP_FIXED },
2787 { TARGET_MAP_ANONYMOUS, TARGET_MAP_ANONYMOUS, MAP_ANONYMOUS, MAP_ANONYMOUS },
2788 { TARGET_MAP_GROWSDOWN, TARGET_MAP_GROWSDOWN, MAP_GROWSDOWN, MAP_GROWSDOWN },
2789 { TARGET_MAP_DENYWRITE, TARGET_MAP_DENYWRITE, MAP_DENYWRITE, MAP_DENYWRITE },
2790 { TARGET_MAP_EXECUTABLE, TARGET_MAP_EXECUTABLE, MAP_EXECUTABLE, MAP_EXECUTABLE },
2791 { TARGET_MAP_LOCKED, TARGET_MAP_LOCKED, MAP_LOCKED, MAP_LOCKED },
2795 #if defined(TARGET_I386)
2797 /* NOTE: there is really one LDT for all the threads */
2798 static uint8_t *ldt_table;
2800 static abi_long read_ldt(abi_ulong ptr, unsigned long bytecount)
2807 size = TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE;
2808 if (size > bytecount)
2810 p = lock_user(VERIFY_WRITE, ptr, size, 0);
2812 return -TARGET_EFAULT;
2813 /* ??? Should this by byteswapped? */
2814 memcpy(p, ldt_table, size);
2815 unlock_user(p, ptr, size);
2819 /* XXX: add locking support */
2820 static abi_long write_ldt(CPUX86State *env,
2821 abi_ulong ptr, unsigned long bytecount, int oldmode)
2823 struct target_modify_ldt_ldt_s ldt_info;
2824 struct target_modify_ldt_ldt_s *target_ldt_info;
2825 int seg_32bit, contents, read_exec_only, limit_in_pages;
2826 int seg_not_present, useable, lm;
2827 uint32_t *lp, entry_1, entry_2;
2829 if (bytecount != sizeof(ldt_info))
2830 return -TARGET_EINVAL;
2831 if (!lock_user_struct(VERIFY_READ, target_ldt_info, ptr, 1))
2832 return -TARGET_EFAULT;
2833 ldt_info.entry_number = tswap32(target_ldt_info->entry_number);
2834 ldt_info.base_addr = tswapl(target_ldt_info->base_addr);
2835 ldt_info.limit = tswap32(target_ldt_info->limit);
2836 ldt_info.flags = tswap32(target_ldt_info->flags);
2837 unlock_user_struct(target_ldt_info, ptr, 0);
2839 if (ldt_info.entry_number >= TARGET_LDT_ENTRIES)
2840 return -TARGET_EINVAL;
2841 seg_32bit = ldt_info.flags & 1;
2842 contents = (ldt_info.flags >> 1) & 3;
2843 read_exec_only = (ldt_info.flags >> 3) & 1;
2844 limit_in_pages = (ldt_info.flags >> 4) & 1;
2845 seg_not_present = (ldt_info.flags >> 5) & 1;
2846 useable = (ldt_info.flags >> 6) & 1;
2850 lm = (ldt_info.flags >> 7) & 1;
2852 if (contents == 3) {
2854 return -TARGET_EINVAL;
2855 if (seg_not_present == 0)
2856 return -TARGET_EINVAL;
2858 /* allocate the LDT */
2860 env->ldt.base = target_mmap(0,
2861 TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE,
2862 PROT_READ|PROT_WRITE,
2863 MAP_ANONYMOUS|MAP_PRIVATE, -1, 0);
2864 if (env->ldt.base == -1)
2865 return -TARGET_ENOMEM;
2866 memset(g2h(env->ldt.base), 0,
2867 TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE);
2868 env->ldt.limit = 0xffff;
2869 ldt_table = g2h(env->ldt.base);
2872 /* NOTE: same code as Linux kernel */
2873 /* Allow LDTs to be cleared by the user. */
2874 if (ldt_info.base_addr == 0 && ldt_info.limit == 0) {
2877 read_exec_only == 1 &&
2879 limit_in_pages == 0 &&
2880 seg_not_present == 1 &&
2888 entry_1 = ((ldt_info.base_addr & 0x0000ffff) << 16) |
2889 (ldt_info.limit & 0x0ffff);
2890 entry_2 = (ldt_info.base_addr & 0xff000000) |
2891 ((ldt_info.base_addr & 0x00ff0000) >> 16) |
2892 (ldt_info.limit & 0xf0000) |
2893 ((read_exec_only ^ 1) << 9) |
2895 ((seg_not_present ^ 1) << 15) |
2897 (limit_in_pages << 23) |
2901 entry_2 |= (useable << 20);
2903 /* Install the new entry ... */
2905 lp = (uint32_t *)(ldt_table + (ldt_info.entry_number << 3));
2906 lp[0] = tswap32(entry_1);
2907 lp[1] = tswap32(entry_2);
2911 /* specific and weird i386 syscalls */
2912 static abi_long do_modify_ldt(CPUX86State *env, int func, abi_ulong ptr,
2913 unsigned long bytecount)
2919 ret = read_ldt(ptr, bytecount);
2922 ret = write_ldt(env, ptr, bytecount, 1);
2925 ret = write_ldt(env, ptr, bytecount, 0);
2928 ret = -TARGET_ENOSYS;
2934 #if defined(TARGET_I386) && defined(TARGET_ABI32)
2935 static abi_long do_set_thread_area(CPUX86State *env, abi_ulong ptr)
2937 uint64_t *gdt_table = g2h(env->gdt.base);
2938 struct target_modify_ldt_ldt_s ldt_info;
2939 struct target_modify_ldt_ldt_s *target_ldt_info;
2940 int seg_32bit, contents, read_exec_only, limit_in_pages;
2941 int seg_not_present, useable, lm;
2942 uint32_t *lp, entry_1, entry_2;
2945 lock_user_struct(VERIFY_WRITE, target_ldt_info, ptr, 1);
2946 if (!target_ldt_info)
2947 return -TARGET_EFAULT;
2948 ldt_info.entry_number = tswap32(target_ldt_info->entry_number);
2949 ldt_info.base_addr = tswapl(target_ldt_info->base_addr);
2950 ldt_info.limit = tswap32(target_ldt_info->limit);
2951 ldt_info.flags = tswap32(target_ldt_info->flags);
2952 if (ldt_info.entry_number == -1) {
2953 for (i=TARGET_GDT_ENTRY_TLS_MIN; i<=TARGET_GDT_ENTRY_TLS_MAX; i++) {
2954 if (gdt_table[i] == 0) {
2955 ldt_info.entry_number = i;
2956 target_ldt_info->entry_number = tswap32(i);
2961 unlock_user_struct(target_ldt_info, ptr, 1);
2963 if (ldt_info.entry_number < TARGET_GDT_ENTRY_TLS_MIN ||
2964 ldt_info.entry_number > TARGET_GDT_ENTRY_TLS_MAX)
2965 return -TARGET_EINVAL;
2966 seg_32bit = ldt_info.flags & 1;
2967 contents = (ldt_info.flags >> 1) & 3;
2968 read_exec_only = (ldt_info.flags >> 3) & 1;
2969 limit_in_pages = (ldt_info.flags >> 4) & 1;
2970 seg_not_present = (ldt_info.flags >> 5) & 1;
2971 useable = (ldt_info.flags >> 6) & 1;
2975 lm = (ldt_info.flags >> 7) & 1;
2978 if (contents == 3) {
2979 if (seg_not_present == 0)
2980 return -TARGET_EINVAL;
2983 /* NOTE: same code as Linux kernel */
2984 /* Allow LDTs to be cleared by the user. */
2985 if (ldt_info.base_addr == 0 && ldt_info.limit == 0) {
2986 if ((contents == 0 &&
2987 read_exec_only == 1 &&
2989 limit_in_pages == 0 &&
2990 seg_not_present == 1 &&
2998 entry_1 = ((ldt_info.base_addr & 0x0000ffff) << 16) |
2999 (ldt_info.limit & 0x0ffff);
3000 entry_2 = (ldt_info.base_addr & 0xff000000) |
3001 ((ldt_info.base_addr & 0x00ff0000) >> 16) |
3002 (ldt_info.limit & 0xf0000) |
3003 ((read_exec_only ^ 1) << 9) |
3005 ((seg_not_present ^ 1) << 15) |
3007 (limit_in_pages << 23) |
3012 /* Install the new entry ... */
3014 lp = (uint32_t *)(gdt_table + ldt_info.entry_number);
3015 lp[0] = tswap32(entry_1);
3016 lp[1] = tswap32(entry_2);
3020 static abi_long do_get_thread_area(CPUX86State *env, abi_ulong ptr)
3022 struct target_modify_ldt_ldt_s *target_ldt_info;
3023 uint64_t *gdt_table = g2h(env->gdt.base);
3024 uint32_t base_addr, limit, flags;
3025 int seg_32bit, contents, read_exec_only, limit_in_pages, idx;
3026 int seg_not_present, useable, lm;
3027 uint32_t *lp, entry_1, entry_2;
3029 lock_user_struct(VERIFY_WRITE, target_ldt_info, ptr, 1);
3030 if (!target_ldt_info)
3031 return -TARGET_EFAULT;
3032 idx = tswap32(target_ldt_info->entry_number);
3033 if (idx < TARGET_GDT_ENTRY_TLS_MIN ||
3034 idx > TARGET_GDT_ENTRY_TLS_MAX) {
3035 unlock_user_struct(target_ldt_info, ptr, 1);
3036 return -TARGET_EINVAL;
3038 lp = (uint32_t *)(gdt_table + idx);
3039 entry_1 = tswap32(lp[0]);
3040 entry_2 = tswap32(lp[1]);
3042 read_exec_only = ((entry_2 >> 9) & 1) ^ 1;
3043 contents = (entry_2 >> 10) & 3;
3044 seg_not_present = ((entry_2 >> 15) & 1) ^ 1;
3045 seg_32bit = (entry_2 >> 22) & 1;
3046 limit_in_pages = (entry_2 >> 23) & 1;
3047 useable = (entry_2 >> 20) & 1;
3051 lm = (entry_2 >> 21) & 1;
3053 flags = (seg_32bit << 0) | (contents << 1) |
3054 (read_exec_only << 3) | (limit_in_pages << 4) |
3055 (seg_not_present << 5) | (useable << 6) | (lm << 7);
3056 limit = (entry_1 & 0xffff) | (entry_2 & 0xf0000);
3057 base_addr = (entry_1 >> 16) |
3058 (entry_2 & 0xff000000) |
3059 ((entry_2 & 0xff) << 16);
3060 target_ldt_info->base_addr = tswapl(base_addr);
3061 target_ldt_info->limit = tswap32(limit);
3062 target_ldt_info->flags = tswap32(flags);
3063 unlock_user_struct(target_ldt_info, ptr, 1);
3066 #endif /* TARGET_I386 && TARGET_ABI32 */
3068 #ifndef TARGET_ABI32
3069 static abi_long do_arch_prctl(CPUX86State *env, int code, abi_ulong addr)
3076 case TARGET_ARCH_SET_GS:
3077 case TARGET_ARCH_SET_FS:
3078 if (code == TARGET_ARCH_SET_GS)
3082 cpu_x86_load_seg(env, idx, 0);
3083 env->segs[idx].base = addr;
3085 case TARGET_ARCH_GET_GS:
3086 case TARGET_ARCH_GET_FS:
3087 if (code == TARGET_ARCH_GET_GS)
3091 val = env->segs[idx].base;
3092 if (put_user(val, addr, abi_ulong))
3093 return -TARGET_EFAULT;
3096 ret = -TARGET_EINVAL;
3103 #endif /* defined(TARGET_I386) */
3105 #if defined(USE_NPTL)
3107 #define NEW_STACK_SIZE PTHREAD_STACK_MIN
3109 static pthread_mutex_t clone_lock = PTHREAD_MUTEX_INITIALIZER;
3112 pthread_mutex_t mutex;
3113 pthread_cond_t cond;
3116 abi_ulong child_tidptr;
3117 abi_ulong parent_tidptr;
3121 static void *clone_func(void *arg)
3123 new_thread_info *info = arg;
3128 info->tid = gettid();
3129 if (info->child_tidptr)
3130 put_user_u32(info->tid, info->child_tidptr);
3131 if (info->parent_tidptr)
3132 put_user_u32(info->tid, info->parent_tidptr);
3133 /* Enable signals. */
3134 sigprocmask(SIG_SETMASK, &info->sigmask, NULL);
3135 /* Signal to the parent that we're ready. */
3136 pthread_mutex_lock(&info->mutex);
3137 pthread_cond_broadcast(&info->cond);
3138 pthread_mutex_unlock(&info->mutex);
3139 /* Wait until the parent has finshed initializing the tls state. */
3140 pthread_mutex_lock(&clone_lock);
3141 pthread_mutex_unlock(&clone_lock);
3147 /* this stack is the equivalent of the kernel stack associated with a
3149 #define NEW_STACK_SIZE 8192
3151 static int clone_func(void *arg)
3153 CPUState *env = arg;
3160 /* do_fork() Must return host values and target errnos (unlike most
3161 do_*() functions). */
3162 static int do_fork(CPUState *env, unsigned int flags, abi_ulong newsp,
3163 abi_ulong parent_tidptr, target_ulong newtls,
3164 abi_ulong child_tidptr)
3170 #if defined(USE_NPTL)
3171 unsigned int nptl_flags;
3175 /* Emulate vfork() with fork() */
3176 if (flags & CLONE_VFORK)
3177 flags &= ~(CLONE_VFORK | CLONE_VM);
3179 if (flags & CLONE_VM) {
3180 #if defined(USE_NPTL)
3181 new_thread_info info;
3182 pthread_attr_t attr;
3184 ts = qemu_mallocz(sizeof(TaskState) + NEW_STACK_SIZE);
3185 init_task_state(ts);
3186 new_stack = ts->stack;
3187 /* we create a new CPU instance. */
3188 new_env = cpu_copy(env);
3189 /* Init regs that differ from the parent. */
3190 cpu_clone_regs(new_env, newsp);
3191 new_env->opaque = ts;
3192 #if defined(USE_NPTL)
3194 flags &= ~CLONE_NPTL_FLAGS2;
3196 if (nptl_flags & CLONE_CHILD_CLEARTID) {
3197 ts->child_tidptr = child_tidptr;
3200 if (nptl_flags & CLONE_SETTLS)
3201 cpu_set_tls (new_env, newtls);
3203 /* Grab a mutex so that thread setup appears atomic. */
3204 pthread_mutex_lock(&clone_lock);
3206 memset(&info, 0, sizeof(info));
3207 pthread_mutex_init(&info.mutex, NULL);
3208 pthread_mutex_lock(&info.mutex);
3209 pthread_cond_init(&info.cond, NULL);
3211 if (nptl_flags & CLONE_CHILD_SETTID)
3212 info.child_tidptr = child_tidptr;
3213 if (nptl_flags & CLONE_PARENT_SETTID)
3214 info.parent_tidptr = parent_tidptr;
3216 ret = pthread_attr_init(&attr);
3217 ret = pthread_attr_setstack(&attr, new_stack, NEW_STACK_SIZE);
3218 /* It is not safe to deliver signals until the child has finished
3219 initializing, so temporarily block all signals. */
3220 sigfillset(&sigmask);
3221 sigprocmask(SIG_BLOCK, &sigmask, &info.sigmask);
3223 ret = pthread_create(&info.thread, &attr, clone_func, &info);
3224 /* TODO: Free new CPU state if thread creation failed. */
3226 sigprocmask(SIG_SETMASK, &info.sigmask, NULL);
3227 pthread_attr_destroy(&attr);
3229 /* Wait for the child to initialize. */
3230 pthread_cond_wait(&info.cond, &info.mutex);
3232 if (flags & CLONE_PARENT_SETTID)
3233 put_user_u32(ret, parent_tidptr);
3237 pthread_mutex_unlock(&info.mutex);
3238 pthread_cond_destroy(&info.cond);
3239 pthread_mutex_destroy(&info.mutex);
3240 pthread_mutex_unlock(&clone_lock);
3242 if (flags & CLONE_NPTL_FLAGS2)
3244 /* This is probably going to die very quickly, but do it anyway. */
3246 ret = __clone2(clone_func, new_stack + NEW_STACK_SIZE, flags, new_env);
3248 ret = clone(clone_func, new_stack + NEW_STACK_SIZE, flags, new_env);
3252 /* if no CLONE_VM, we consider it is a fork */
3253 if ((flags & ~(CSIGNAL | CLONE_NPTL_FLAGS2)) != 0)
3258 /* Child Process. */
3259 cpu_clone_regs(env, newsp);
3261 #if defined(USE_NPTL)
3262 /* There is a race condition here. The parent process could
3263 theoretically read the TID in the child process before the child
3264 tid is set. This would require using either ptrace
3265 (not implemented) or having *_tidptr to point at a shared memory
3266 mapping. We can't repeat the spinlock hack used above because
3267 the child process gets its own copy of the lock. */
3268 if (flags & CLONE_CHILD_SETTID)
3269 put_user_u32(gettid(), child_tidptr);
3270 if (flags & CLONE_PARENT_SETTID)
3271 put_user_u32(gettid(), parent_tidptr);
3272 ts = (TaskState *)env->opaque;
3273 if (flags & CLONE_SETTLS)
3274 cpu_set_tls (env, newtls);
3275 if (flags & CLONE_CHILD_CLEARTID)
3276 ts->child_tidptr = child_tidptr;
3285 static abi_long do_fcntl(int fd, int cmd, abi_ulong arg)
3288 struct target_flock *target_fl;
3289 struct flock64 fl64;
3290 struct target_flock64 *target_fl64;
3294 case TARGET_F_GETLK:
3295 if (!lock_user_struct(VERIFY_READ, target_fl, arg, 1))
3296 return -TARGET_EFAULT;
3297 fl.l_type = tswap16(target_fl->l_type);
3298 fl.l_whence = tswap16(target_fl->l_whence);
3299 fl.l_start = tswapl(target_fl->l_start);
3300 fl.l_len = tswapl(target_fl->l_len);
3301 fl.l_pid = tswapl(target_fl->l_pid);
3302 unlock_user_struct(target_fl, arg, 0);
3303 ret = get_errno(fcntl(fd, cmd, &fl));
3305 if (!lock_user_struct(VERIFY_WRITE, target_fl, arg, 0))
3306 return -TARGET_EFAULT;
3307 target_fl->l_type = tswap16(fl.l_type);
3308 target_fl->l_whence = tswap16(fl.l_whence);
3309 target_fl->l_start = tswapl(fl.l_start);
3310 target_fl->l_len = tswapl(fl.l_len);
3311 target_fl->l_pid = tswapl(fl.l_pid);
3312 unlock_user_struct(target_fl, arg, 1);
3316 case TARGET_F_SETLK:
3317 case TARGET_F_SETLKW:
3318 if (!lock_user_struct(VERIFY_READ, target_fl, arg, 1))
3319 return -TARGET_EFAULT;
3320 fl.l_type = tswap16(target_fl->l_type);
3321 fl.l_whence = tswap16(target_fl->l_whence);
3322 fl.l_start = tswapl(target_fl->l_start);
3323 fl.l_len = tswapl(target_fl->l_len);
3324 fl.l_pid = tswapl(target_fl->l_pid);
3325 unlock_user_struct(target_fl, arg, 0);
3326 ret = get_errno(fcntl(fd, cmd, &fl));
3329 case TARGET_F_GETLK64:
3330 if (!lock_user_struct(VERIFY_READ, target_fl64, arg, 1))
3331 return -TARGET_EFAULT;
3332 fl64.l_type = tswap16(target_fl64->l_type) >> 1;
3333 fl64.l_whence = tswap16(target_fl64->l_whence);
3334 fl64.l_start = tswapl(target_fl64->l_start);
3335 fl64.l_len = tswapl(target_fl64->l_len);
3336 fl64.l_pid = tswap16(target_fl64->l_pid);
3337 unlock_user_struct(target_fl64, arg, 0);
3338 ret = get_errno(fcntl(fd, cmd >> 1, &fl64));
3340 if (!lock_user_struct(VERIFY_WRITE, target_fl64, arg, 0))
3341 return -TARGET_EFAULT;
3342 target_fl64->l_type = tswap16(fl64.l_type) >> 1;
3343 target_fl64->l_whence = tswap16(fl64.l_whence);
3344 target_fl64->l_start = tswapl(fl64.l_start);
3345 target_fl64->l_len = tswapl(fl64.l_len);
3346 target_fl64->l_pid = tswapl(fl64.l_pid);
3347 unlock_user_struct(target_fl64, arg, 1);
3350 case TARGET_F_SETLK64:
3351 case TARGET_F_SETLKW64:
3352 if (!lock_user_struct(VERIFY_READ, target_fl64, arg, 1))
3353 return -TARGET_EFAULT;
3354 fl64.l_type = tswap16(target_fl64->l_type) >> 1;
3355 fl64.l_whence = tswap16(target_fl64->l_whence);
3356 fl64.l_start = tswapl(target_fl64->l_start);
3357 fl64.l_len = tswapl(target_fl64->l_len);
3358 fl64.l_pid = tswap16(target_fl64->l_pid);
3359 unlock_user_struct(target_fl64, arg, 0);
3360 ret = get_errno(fcntl(fd, cmd >> 1, &fl64));
3364 ret = get_errno(fcntl(fd, cmd, arg));
3366 ret = host_to_target_bitmask(ret, fcntl_flags_tbl);
3371 ret = get_errno(fcntl(fd, cmd, target_to_host_bitmask(arg, fcntl_flags_tbl)));
3375 ret = get_errno(fcntl(fd, cmd, arg));
3383 static inline int high2lowuid(int uid)
3391 static inline int high2lowgid(int gid)
3399 static inline int low2highuid(int uid)
3401 if ((int16_t)uid == -1)
3407 static inline int low2highgid(int gid)
3409 if ((int16_t)gid == -1)
3415 #endif /* USE_UID16 */
3417 void syscall_init(void)
3420 const argtype *arg_type;
3424 #define STRUCT(name, list...) thunk_register_struct(STRUCT_ ## name, #name, struct_ ## name ## _def);
3425 #define STRUCT_SPECIAL(name) thunk_register_struct_direct(STRUCT_ ## name, #name, &struct_ ## name ## _def);
3426 #include "syscall_types.h"
3428 #undef STRUCT_SPECIAL
3430 /* we patch the ioctl size if necessary. We rely on the fact that
3431 no ioctl has all the bits at '1' in the size field */
3433 while (ie->target_cmd != 0) {
3434 if (((ie->target_cmd >> TARGET_IOC_SIZESHIFT) & TARGET_IOC_SIZEMASK) ==
3435 TARGET_IOC_SIZEMASK) {
3436 arg_type = ie->arg_type;
3437 if (arg_type[0] != TYPE_PTR) {
3438 fprintf(stderr, "cannot patch size for ioctl 0x%x\n",
3443 size = thunk_type_size(arg_type, 0);
3444 ie->target_cmd = (ie->target_cmd &
3445 ~(TARGET_IOC_SIZEMASK << TARGET_IOC_SIZESHIFT)) |
3446 (size << TARGET_IOC_SIZESHIFT);
3449 /* Build target_to_host_errno_table[] table from
3450 * host_to_target_errno_table[]. */
3451 for (i=0; i < ERRNO_TABLE_SIZE; i++)
3452 target_to_host_errno_table[host_to_target_errno_table[i]] = i;
3454 /* automatic consistency check if same arch */
3455 #if (defined(__i386__) && defined(TARGET_I386) && defined(TARGET_ABI32)) || \
3456 (defined(__x86_64__) && defined(TARGET_X86_64))
3457 if (unlikely(ie->target_cmd != ie->host_cmd)) {
3458 fprintf(stderr, "ERROR: ioctl(%s): target=0x%x host=0x%x\n",
3459 ie->name, ie->target_cmd, ie->host_cmd);
3466 #if TARGET_ABI_BITS == 32
3467 static inline uint64_t target_offset64(uint32_t word0, uint32_t word1)
3469 #ifdef TARGET_WORDS_BIGENDIAN
3470 return ((uint64_t)word0 << 32) | word1;
3472 return ((uint64_t)word1 << 32) | word0;
3475 #else /* TARGET_ABI_BITS == 32 */
3476 static inline uint64_t target_offset64(uint64_t word0, uint64_t word1)
3480 #endif /* TARGET_ABI_BITS != 32 */
3482 #ifdef TARGET_NR_truncate64
3483 static inline abi_long target_truncate64(void *cpu_env, const char *arg1,
3489 if (((CPUARMState *)cpu_env)->eabi)
3495 return get_errno(truncate64(arg1, target_offset64(arg2, arg3)));
3499 #ifdef TARGET_NR_ftruncate64
3500 static inline abi_long target_ftruncate64(void *cpu_env, abi_long arg1,
3506 if (((CPUARMState *)cpu_env)->eabi)
3512 return get_errno(ftruncate64(arg1, target_offset64(arg2, arg3)));
3516 static inline abi_long target_to_host_timespec(struct timespec *host_ts,
3517 abi_ulong target_addr)
3519 struct target_timespec *target_ts;
3521 if (!lock_user_struct(VERIFY_READ, target_ts, target_addr, 1))
3522 return -TARGET_EFAULT;
3523 host_ts->tv_sec = tswapl(target_ts->tv_sec);
3524 host_ts->tv_nsec = tswapl(target_ts->tv_nsec);
3525 unlock_user_struct(target_ts, target_addr, 0);
3529 static inline abi_long host_to_target_timespec(abi_ulong target_addr,
3530 struct timespec *host_ts)
3532 struct target_timespec *target_ts;
3534 if (!lock_user_struct(VERIFY_WRITE, target_ts, target_addr, 0))
3535 return -TARGET_EFAULT;
3536 target_ts->tv_sec = tswapl(host_ts->tv_sec);
3537 target_ts->tv_nsec = tswapl(host_ts->tv_nsec);
3538 unlock_user_struct(target_ts, target_addr, 1);
3542 #if defined(TARGET_NR_stat64) || defined(TARGET_NR_newfstatat)
3543 static inline abi_long host_to_target_stat64(void *cpu_env,
3544 abi_ulong target_addr,
3545 struct stat *host_st)
3548 if (((CPUARMState *)cpu_env)->eabi) {
3549 struct target_eabi_stat64 *target_st;
3551 if (!lock_user_struct(VERIFY_WRITE, target_st, target_addr, 0))
3552 return -TARGET_EFAULT;
3553 memset(target_st, 0, sizeof(struct target_eabi_stat64));
3554 __put_user(host_st->st_dev, &target_st->st_dev);
3555 __put_user(host_st->st_ino, &target_st->st_ino);
3556 #ifdef TARGET_STAT64_HAS_BROKEN_ST_INO
3557 __put_user(host_st->st_ino, &target_st->__st_ino);
3559 __put_user(host_st->st_mode, &target_st->st_mode);
3560 __put_user(host_st->st_nlink, &target_st->st_nlink);
3561 __put_user(host_st->st_uid, &target_st->st_uid);
3562 __put_user(host_st->st_gid, &target_st->st_gid);
3563 __put_user(host_st->st_rdev, &target_st->st_rdev);
3564 __put_user(host_st->st_size, &target_st->st_size);
3565 __put_user(host_st->st_blksize, &target_st->st_blksize);
3566 __put_user(host_st->st_blocks, &target_st->st_blocks);
3567 __put_user(host_st->st_atime, &target_st->target_st_atime);
3568 __put_user(host_st->st_mtime, &target_st->target_st_mtime);
3569 __put_user(host_st->st_ctime, &target_st->target_st_ctime);
3570 unlock_user_struct(target_st, target_addr, 1);
3574 #if TARGET_LONG_BITS == 64
3575 struct target_stat *target_st;
3577 struct target_stat64 *target_st;
3580 if (!lock_user_struct(VERIFY_WRITE, target_st, target_addr, 0))
3581 return -TARGET_EFAULT;
3582 memset(target_st, 0, sizeof(*target_st));
3583 __put_user(host_st->st_dev, &target_st->st_dev);
3584 __put_user(host_st->st_ino, &target_st->st_ino);
3585 #ifdef TARGET_STAT64_HAS_BROKEN_ST_INO
3586 __put_user(host_st->st_ino, &target_st->__st_ino);
3588 __put_user(host_st->st_mode, &target_st->st_mode);
3589 __put_user(host_st->st_nlink, &target_st->st_nlink);
3590 __put_user(host_st->st_uid, &target_st->st_uid);
3591 __put_user(host_st->st_gid, &target_st->st_gid);
3592 __put_user(host_st->st_rdev, &target_st->st_rdev);
3593 /* XXX: better use of kernel struct */
3594 __put_user(host_st->st_size, &target_st->st_size);
3595 __put_user(host_st->st_blksize, &target_st->st_blksize);
3596 __put_user(host_st->st_blocks, &target_st->st_blocks);
3597 __put_user(host_st->st_atime, &target_st->target_st_atime);
3598 __put_user(host_st->st_mtime, &target_st->target_st_mtime);
3599 __put_user(host_st->st_ctime, &target_st->target_st_ctime);
3600 unlock_user_struct(target_st, target_addr, 1);
3607 #if defined(USE_NPTL)
3608 /* ??? Using host futex calls even when target atomic operations
3609 are not really atomic probably breaks things. However implementing
3610 futexes locally would make futexes shared between multiple processes
3611 tricky. However they're probably useless because guest atomic
3612 operations won't work either. */
3613 static int do_futex(target_ulong uaddr, int op, int val, target_ulong timeout,
3614 target_ulong uaddr2, int val3)
3616 struct timespec ts, *pts;
3618 /* ??? We assume FUTEX_* constants are the same on both host
3624 target_to_host_timespec(pts, timeout);
3628 return get_errno(sys_futex(g2h(uaddr), FUTEX_WAIT, tswap32(val),
3631 return get_errno(sys_futex(g2h(uaddr), FUTEX_WAKE, val, NULL, NULL, 0));
3633 return get_errno(sys_futex(g2h(uaddr), FUTEX_FD, val, NULL, NULL, 0));
3635 return get_errno(sys_futex(g2h(uaddr), FUTEX_REQUEUE, val,
3636 NULL, g2h(uaddr2), 0));
3637 case FUTEX_CMP_REQUEUE:
3638 return get_errno(sys_futex(g2h(uaddr), FUTEX_CMP_REQUEUE, val,
3639 NULL, g2h(uaddr2), tswap32(val3)));
3641 return -TARGET_ENOSYS;
3646 int get_osversion(void)
3648 static int osversion;
3649 struct new_utsname buf;
3654 if (qemu_uname_release && *qemu_uname_release) {
3655 s = qemu_uname_release;
3657 if (sys_uname(&buf))
3662 for (i = 0; i < 3; i++) {
3664 while (*s >= '0' && *s <= '9') {
3669 tmp = (tmp << 8) + n;
3677 /* do_syscall() should always have a single exit point at the end so
3678 that actions, such as logging of syscall results, can be performed.
3679 All errnos that do_syscall() returns must be -TARGET_<errcode>. */
3680 abi_long do_syscall(void *cpu_env, int num, abi_long arg1,
3681 abi_long arg2, abi_long arg3, abi_long arg4,
3682 abi_long arg5, abi_long arg6)
3690 gemu_log("syscall %d", num);
3693 print_syscall(num, arg1, arg2, arg3, arg4, arg5, arg6);
3696 case TARGET_NR_exit:
3698 /* In old applications this may be used to implement _exit(2).
3699 However in threaded applictions it is used for thread termination,
3700 and _exit_group is used for application termination.
3701 Do thread termination if we have more then one thread. */
3702 /* FIXME: This probably breaks if a signal arrives. We should probably
3703 be disabling signals. */
3704 if (first_cpu->next_cpu) {
3711 while (p && p != (CPUState *)cpu_env) {
3712 lastp = &p->next_cpu;
3715 /* If we didn't find the CPU for this thread then something is
3719 /* Remove the CPU from the list. */
3720 *lastp = p->next_cpu;
3722 TaskState *ts = ((CPUState *)cpu_env)->opaque;
3723 if (ts->child_tidptr) {
3724 put_user_u32(0, ts->child_tidptr);
3725 sys_futex(g2h(ts->child_tidptr), FUTEX_WAKE, INT_MAX,
3728 /* TODO: Free CPU state. */
3735 gdb_exit(cpu_env, arg1);
3737 ret = 0; /* avoid warning */
3739 case TARGET_NR_read:
3743 if (!(p = lock_user(VERIFY_WRITE, arg2, arg3, 0)))
3745 ret = get_errno(read(arg1, p, arg3));
3746 unlock_user(p, arg2, ret);
3749 case TARGET_NR_write:
3750 if (!(p = lock_user(VERIFY_READ, arg2, arg3, 1)))
3752 ret = get_errno(write(arg1, p, arg3));
3753 unlock_user(p, arg2, 0);
3755 case TARGET_NR_open:
3756 if (!(p = lock_user_string(arg1)))
3758 ret = get_errno(open(path(p),
3759 target_to_host_bitmask(arg2, fcntl_flags_tbl),
3761 unlock_user(p, arg1, 0);
3763 #if defined(TARGET_NR_openat) && defined(__NR_openat)
3764 case TARGET_NR_openat:
3765 if (!(p = lock_user_string(arg2)))
3767 ret = get_errno(sys_openat(arg1,
3769 target_to_host_bitmask(arg3, fcntl_flags_tbl),
3771 unlock_user(p, arg2, 0);
3774 case TARGET_NR_close:
3775 ret = get_errno(close(arg1));
3780 case TARGET_NR_fork:
3781 ret = get_errno(do_fork(cpu_env, SIGCHLD, 0, 0, 0, 0));
3783 #ifdef TARGET_NR_waitpid
3784 case TARGET_NR_waitpid:
3787 ret = get_errno(waitpid(arg1, &status, arg3));
3788 if (!is_error(ret) && arg2
3789 && put_user_s32(status, arg2))
3794 #ifdef TARGET_NR_waitid
3795 case TARGET_NR_waitid:
3799 ret = get_errno(waitid(arg1, arg2, &info, arg4));
3800 if (!is_error(ret) && arg3 && info.si_pid != 0) {
3801 if (!(p = lock_user(VERIFY_WRITE, arg3, sizeof(target_siginfo_t), 0)))
3803 host_to_target_siginfo(p, &info);
3804 unlock_user(p, arg3, sizeof(target_siginfo_t));
3809 #ifdef TARGET_NR_creat /* not on alpha */
3810 case TARGET_NR_creat:
3811 if (!(p = lock_user_string(arg1)))
3813 ret = get_errno(creat(p, arg2));
3814 unlock_user(p, arg1, 0);
3817 case TARGET_NR_link:
3820 p = lock_user_string(arg1);
3821 p2 = lock_user_string(arg2);
3823 ret = -TARGET_EFAULT;
3825 ret = get_errno(link(p, p2));
3826 unlock_user(p2, arg2, 0);
3827 unlock_user(p, arg1, 0);
3830 #if defined(TARGET_NR_linkat) && defined(__NR_linkat)
3831 case TARGET_NR_linkat:
3836 p = lock_user_string(arg2);
3837 p2 = lock_user_string(arg4);
3839 ret = -TARGET_EFAULT;
3841 ret = get_errno(sys_linkat(arg1, p, arg3, p2, arg5));
3842 unlock_user(p, arg2, 0);
3843 unlock_user(p2, arg4, 0);
3847 case TARGET_NR_unlink:
3848 if (!(p = lock_user_string(arg1)))
3850 ret = get_errno(unlink(p));
3851 unlock_user(p, arg1, 0);
3853 #if defined(TARGET_NR_unlinkat) && defined(__NR_unlinkat)
3854 case TARGET_NR_unlinkat:
3855 if (!(p = lock_user_string(arg2)))
3857 ret = get_errno(sys_unlinkat(arg1, p, arg3));
3858 unlock_user(p, arg2, 0);
3861 case TARGET_NR_execve:
3863 char **argp, **envp;
3866 abi_ulong guest_argp;
3867 abi_ulong guest_envp;
3873 for (gp = guest_argp; gp; gp += sizeof(abi_ulong)) {
3874 if (get_user_ual(addr, gp))
3882 for (gp = guest_envp; gp; gp += sizeof(abi_ulong)) {
3883 if (get_user_ual(addr, gp))
3890 argp = alloca((argc + 1) * sizeof(void *));
3891 envp = alloca((envc + 1) * sizeof(void *));
3893 for (gp = guest_argp, q = argp; gp;
3894 gp += sizeof(abi_ulong), q++) {
3895 if (get_user_ual(addr, gp))
3899 if (!(*q = lock_user_string(addr)))
3904 for (gp = guest_envp, q = envp; gp;
3905 gp += sizeof(abi_ulong), q++) {
3906 if (get_user_ual(addr, gp))
3910 if (!(*q = lock_user_string(addr)))
3915 if (!(p = lock_user_string(arg1)))
3917 ret = get_errno(execve(p, argp, envp));
3918 unlock_user(p, arg1, 0);
3923 ret = -TARGET_EFAULT;
3926 for (gp = guest_argp, q = argp; *q;
3927 gp += sizeof(abi_ulong), q++) {
3928 if (get_user_ual(addr, gp)
3931 unlock_user(*q, addr, 0);
3933 for (gp = guest_envp, q = envp; *q;
3934 gp += sizeof(abi_ulong), q++) {
3935 if (get_user_ual(addr, gp)
3938 unlock_user(*q, addr, 0);
3942 case TARGET_NR_chdir:
3943 if (!(p = lock_user_string(arg1)))
3945 ret = get_errno(chdir(p));
3946 unlock_user(p, arg1, 0);
3948 #ifdef TARGET_NR_time
3949 case TARGET_NR_time:
3952 ret = get_errno(time(&host_time));
3955 && put_user_sal(host_time, arg1))
3960 case TARGET_NR_mknod:
3961 if (!(p = lock_user_string(arg1)))
3963 ret = get_errno(mknod(p, arg2, arg3));
3964 unlock_user(p, arg1, 0);
3966 #if defined(TARGET_NR_mknodat) && defined(__NR_mknodat)
3967 case TARGET_NR_mknodat:
3968 if (!(p = lock_user_string(arg2)))
3970 ret = get_errno(sys_mknodat(arg1, p, arg3, arg4));
3971 unlock_user(p, arg2, 0);
3974 case TARGET_NR_chmod:
3975 if (!(p = lock_user_string(arg1)))
3977 ret = get_errno(chmod(p, arg2));
3978 unlock_user(p, arg1, 0);
3980 #ifdef TARGET_NR_break
3981 case TARGET_NR_break:
3984 #ifdef TARGET_NR_oldstat
3985 case TARGET_NR_oldstat:
3988 case TARGET_NR_lseek:
3989 ret = get_errno(lseek(arg1, arg2, arg3));
3991 #ifdef TARGET_NR_getxpid
3992 case TARGET_NR_getxpid:
3994 case TARGET_NR_getpid:
3996 ret = get_errno(getpid());
3998 case TARGET_NR_mount:
4000 /* need to look at the data field */
4002 p = lock_user_string(arg1);
4003 p2 = lock_user_string(arg2);
4004 p3 = lock_user_string(arg3);
4005 if (!p || !p2 || !p3)
4006 ret = -TARGET_EFAULT;
4008 /* FIXME - arg5 should be locked, but it isn't clear how to
4009 * do that since it's not guaranteed to be a NULL-terminated
4012 ret = get_errno(mount(p, p2, p3, (unsigned long)arg4, g2h(arg5)));
4013 unlock_user(p, arg1, 0);
4014 unlock_user(p2, arg2, 0);
4015 unlock_user(p3, arg3, 0);
4018 #ifdef TARGET_NR_umount
4019 case TARGET_NR_umount:
4020 if (!(p = lock_user_string(arg1)))
4022 ret = get_errno(umount(p));
4023 unlock_user(p, arg1, 0);
4026 #ifdef TARGET_NR_stime /* not on alpha */
4027 case TARGET_NR_stime:
4030 if (get_user_sal(host_time, arg1))
4032 ret = get_errno(stime(&host_time));
4036 case TARGET_NR_ptrace:
4038 #ifdef TARGET_NR_alarm /* not on alpha */
4039 case TARGET_NR_alarm:
4043 #ifdef TARGET_NR_oldfstat
4044 case TARGET_NR_oldfstat:
4047 #ifdef TARGET_NR_pause /* not on alpha */
4048 case TARGET_NR_pause:
4049 ret = get_errno(pause());
4052 #ifdef TARGET_NR_utime
4053 case TARGET_NR_utime:
4055 struct utimbuf tbuf, *host_tbuf;
4056 struct target_utimbuf *target_tbuf;
4058 if (!lock_user_struct(VERIFY_READ, target_tbuf, arg2, 1))
4060 tbuf.actime = tswapl(target_tbuf->actime);
4061 tbuf.modtime = tswapl(target_tbuf->modtime);
4062 unlock_user_struct(target_tbuf, arg2, 0);
4067 if (!(p = lock_user_string(arg1)))
4069 ret = get_errno(utime(p, host_tbuf));
4070 unlock_user(p, arg1, 0);
4074 case TARGET_NR_utimes:
4076 struct timeval *tvp, tv[2];
4078 if (copy_from_user_timeval(&tv[0], arg2)
4079 || copy_from_user_timeval(&tv[1],
4080 arg2 + sizeof(struct target_timeval)))
4086 if (!(p = lock_user_string(arg1)))
4088 ret = get_errno(utimes(p, tvp));
4089 unlock_user(p, arg1, 0);
4092 #if defined(TARGET_NR_futimesat) && defined(__NR_futimesat)
4093 case TARGET_NR_futimesat:
4095 struct timeval *tvp, tv[2];
4097 if (copy_from_user_timeval(&tv[0], arg3)
4098 || copy_from_user_timeval(&tv[1],
4099 arg3 + sizeof(struct target_timeval)))
4105 if (!(p = lock_user_string(arg2)))
4107 ret = get_errno(sys_futimesat(arg1, path(p), tvp));
4108 unlock_user(p, arg2, 0);
4112 #ifdef TARGET_NR_stty
4113 case TARGET_NR_stty:
4116 #ifdef TARGET_NR_gtty
4117 case TARGET_NR_gtty:
4120 case TARGET_NR_access:
4121 if (!(p = lock_user_string(arg1)))
4123 ret = get_errno(access(p, arg2));
4124 unlock_user(p, arg1, 0);
4126 #if defined(TARGET_NR_faccessat) && defined(__NR_faccessat)
4127 case TARGET_NR_faccessat:
4128 if (!(p = lock_user_string(arg2)))
4130 ret = get_errno(sys_faccessat(arg1, p, arg3, arg4));
4131 unlock_user(p, arg2, 0);
4134 #ifdef TARGET_NR_nice /* not on alpha */
4135 case TARGET_NR_nice:
4136 ret = get_errno(nice(arg1));
4139 #ifdef TARGET_NR_ftime
4140 case TARGET_NR_ftime:
4143 case TARGET_NR_sync:
4147 case TARGET_NR_kill:
4148 ret = get_errno(kill(arg1, target_to_host_signal(arg2)));
4150 case TARGET_NR_rename:
4153 p = lock_user_string(arg1);
4154 p2 = lock_user_string(arg2);
4156 ret = -TARGET_EFAULT;
4158 ret = get_errno(rename(p, p2));
4159 unlock_user(p2, arg2, 0);
4160 unlock_user(p, arg1, 0);
4163 #if defined(TARGET_NR_renameat) && defined(__NR_renameat)
4164 case TARGET_NR_renameat:
4167 p = lock_user_string(arg2);
4168 p2 = lock_user_string(arg4);
4170 ret = -TARGET_EFAULT;
4172 ret = get_errno(sys_renameat(arg1, p, arg3, p2));
4173 unlock_user(p2, arg4, 0);
4174 unlock_user(p, arg2, 0);
4178 case TARGET_NR_mkdir:
4179 if (!(p = lock_user_string(arg1)))
4181 ret = get_errno(mkdir(p, arg2));
4182 unlock_user(p, arg1, 0);
4184 #if defined(TARGET_NR_mkdirat) && defined(__NR_mkdirat)
4185 case TARGET_NR_mkdirat:
4186 if (!(p = lock_user_string(arg2)))
4188 ret = get_errno(sys_mkdirat(arg1, p, arg3));
4189 unlock_user(p, arg2, 0);
4192 case TARGET_NR_rmdir:
4193 if (!(p = lock_user_string(arg1)))
4195 ret = get_errno(rmdir(p));
4196 unlock_user(p, arg1, 0);
4199 ret = get_errno(dup(arg1));
4201 case TARGET_NR_pipe:
4204 ret = get_errno(pipe(host_pipe));
4205 if (!is_error(ret)) {
4206 #if defined(TARGET_MIPS)
4207 CPUMIPSState *env = (CPUMIPSState*)cpu_env;
4208 env->active_tc.gpr[3] = host_pipe[1];
4210 #elif defined(TARGET_SH4)
4211 ((CPUSH4State*)cpu_env)->gregs[1] = host_pipe[1];
4214 if (put_user_s32(host_pipe[0], arg1)
4215 || put_user_s32(host_pipe[1], arg1 + sizeof(host_pipe[0])))
4221 case TARGET_NR_times:
4223 struct target_tms *tmsp;
4225 ret = get_errno(times(&tms));
4227 tmsp = lock_user(VERIFY_WRITE, arg1, sizeof(struct target_tms), 0);
4230 tmsp->tms_utime = tswapl(host_to_target_clock_t(tms.tms_utime));
4231 tmsp->tms_stime = tswapl(host_to_target_clock_t(tms.tms_stime));
4232 tmsp->tms_cutime = tswapl(host_to_target_clock_t(tms.tms_cutime));
4233 tmsp->tms_cstime = tswapl(host_to_target_clock_t(tms.tms_cstime));
4236 ret = host_to_target_clock_t(ret);
4239 #ifdef TARGET_NR_prof
4240 case TARGET_NR_prof:
4243 #ifdef TARGET_NR_signal
4244 case TARGET_NR_signal:
4247 case TARGET_NR_acct:
4249 ret = get_errno(acct(NULL));
4251 if (!(p = lock_user_string(arg1)))
4253 ret = get_errno(acct(path(p)));
4254 unlock_user(p, arg1, 0);
4257 #ifdef TARGET_NR_umount2 /* not on alpha */
4258 case TARGET_NR_umount2:
4259 if (!(p = lock_user_string(arg1)))
4261 ret = get_errno(umount2(p, arg2));
4262 unlock_user(p, arg1, 0);
4265 #ifdef TARGET_NR_lock
4266 case TARGET_NR_lock:
4269 case TARGET_NR_ioctl:
4270 ret = do_ioctl(arg1, arg2, arg3);
4272 case TARGET_NR_fcntl:
4273 ret = do_fcntl(arg1, arg2, arg3);
4275 #ifdef TARGET_NR_mpx
4279 case TARGET_NR_setpgid:
4280 ret = get_errno(setpgid(arg1, arg2));
4282 #ifdef TARGET_NR_ulimit
4283 case TARGET_NR_ulimit:
4286 #ifdef TARGET_NR_oldolduname
4287 case TARGET_NR_oldolduname:
4290 case TARGET_NR_umask:
4291 ret = get_errno(umask(arg1));
4293 case TARGET_NR_chroot:
4294 if (!(p = lock_user_string(arg1)))
4296 ret = get_errno(chroot(p));
4297 unlock_user(p, arg1, 0);
4299 case TARGET_NR_ustat:
4301 case TARGET_NR_dup2:
4302 ret = get_errno(dup2(arg1, arg2));
4304 #ifdef TARGET_NR_getppid /* not on alpha */
4305 case TARGET_NR_getppid:
4306 ret = get_errno(getppid());
4309 case TARGET_NR_getpgrp:
4310 ret = get_errno(getpgrp());
4312 case TARGET_NR_setsid:
4313 ret = get_errno(setsid());
4315 #ifdef TARGET_NR_sigaction
4316 case TARGET_NR_sigaction:
4318 #if !defined(TARGET_MIPS)
4319 struct target_old_sigaction *old_act;
4320 struct target_sigaction act, oact, *pact;
4322 if (!lock_user_struct(VERIFY_READ, old_act, arg2, 1))
4324 act._sa_handler = old_act->_sa_handler;
4325 target_siginitset(&act.sa_mask, old_act->sa_mask);
4326 act.sa_flags = old_act->sa_flags;
4327 act.sa_restorer = old_act->sa_restorer;
4328 unlock_user_struct(old_act, arg2, 0);
4333 ret = get_errno(do_sigaction(arg1, pact, &oact));
4334 if (!is_error(ret) && arg3) {
4335 if (!lock_user_struct(VERIFY_WRITE, old_act, arg3, 0))
4337 old_act->_sa_handler = oact._sa_handler;
4338 old_act->sa_mask = oact.sa_mask.sig[0];
4339 old_act->sa_flags = oact.sa_flags;
4340 old_act->sa_restorer = oact.sa_restorer;
4341 unlock_user_struct(old_act, arg3, 1);
4344 struct target_sigaction act, oact, *pact, *old_act;
4347 if (!lock_user_struct(VERIFY_READ, old_act, arg2, 1))
4349 act._sa_handler = old_act->_sa_handler;
4350 target_siginitset(&act.sa_mask, old_act->sa_mask.sig[0]);
4351 act.sa_flags = old_act->sa_flags;
4352 unlock_user_struct(old_act, arg2, 0);
4358 ret = get_errno(do_sigaction(arg1, pact, &oact));
4360 if (!is_error(ret) && arg3) {
4361 if (!lock_user_struct(VERIFY_WRITE, old_act, arg3, 0))
4363 old_act->_sa_handler = oact._sa_handler;
4364 old_act->sa_flags = oact.sa_flags;
4365 old_act->sa_mask.sig[0] = oact.sa_mask.sig[0];
4366 old_act->sa_mask.sig[1] = 0;
4367 old_act->sa_mask.sig[2] = 0;
4368 old_act->sa_mask.sig[3] = 0;
4369 unlock_user_struct(old_act, arg3, 1);
4375 case TARGET_NR_rt_sigaction:
4377 struct target_sigaction *act;
4378 struct target_sigaction *oact;
4381 if (!lock_user_struct(VERIFY_READ, act, arg2, 1))
4386 if (!lock_user_struct(VERIFY_WRITE, oact, arg3, 0)) {
4387 ret = -TARGET_EFAULT;
4388 goto rt_sigaction_fail;
4392 ret = get_errno(do_sigaction(arg1, act, oact));
4395 unlock_user_struct(act, arg2, 0);
4397 unlock_user_struct(oact, arg3, 1);
4400 #ifdef TARGET_NR_sgetmask /* not on alpha */
4401 case TARGET_NR_sgetmask:
4404 abi_ulong target_set;
4405 sigprocmask(0, NULL, &cur_set);
4406 host_to_target_old_sigset(&target_set, &cur_set);
4411 #ifdef TARGET_NR_ssetmask /* not on alpha */
4412 case TARGET_NR_ssetmask:
4414 sigset_t set, oset, cur_set;
4415 abi_ulong target_set = arg1;
4416 sigprocmask(0, NULL, &cur_set);
4417 target_to_host_old_sigset(&set, &target_set);
4418 sigorset(&set, &set, &cur_set);
4419 sigprocmask(SIG_SETMASK, &set, &oset);
4420 host_to_target_old_sigset(&target_set, &oset);
4425 #ifdef TARGET_NR_sigprocmask
4426 case TARGET_NR_sigprocmask:
4429 sigset_t set, oldset, *set_ptr;
4433 case TARGET_SIG_BLOCK:
4436 case TARGET_SIG_UNBLOCK:
4439 case TARGET_SIG_SETMASK:
4443 ret = -TARGET_EINVAL;
4446 if (!(p = lock_user(VERIFY_READ, arg2, sizeof(target_sigset_t), 1)))
4448 target_to_host_old_sigset(&set, p);
4449 unlock_user(p, arg2, 0);
4455 ret = get_errno(sigprocmask(arg1, set_ptr, &oldset));
4456 if (!is_error(ret) && arg3) {
4457 if (!(p = lock_user(VERIFY_WRITE, arg3, sizeof(target_sigset_t), 0)))
4459 host_to_target_old_sigset(p, &oldset);
4460 unlock_user(p, arg3, sizeof(target_sigset_t));
4465 case TARGET_NR_rt_sigprocmask:
4468 sigset_t set, oldset, *set_ptr;
4472 case TARGET_SIG_BLOCK:
4475 case TARGET_SIG_UNBLOCK:
4478 case TARGET_SIG_SETMASK:
4482 ret = -TARGET_EINVAL;
4485 if (!(p = lock_user(VERIFY_READ, arg2, sizeof(target_sigset_t), 1)))
4487 target_to_host_sigset(&set, p);
4488 unlock_user(p, arg2, 0);
4494 ret = get_errno(sigprocmask(how, set_ptr, &oldset));
4495 if (!is_error(ret) && arg3) {
4496 if (!(p = lock_user(VERIFY_WRITE, arg3, sizeof(target_sigset_t), 0)))
4498 host_to_target_sigset(p, &oldset);
4499 unlock_user(p, arg3, sizeof(target_sigset_t));
4503 #ifdef TARGET_NR_sigpending
4504 case TARGET_NR_sigpending:
4507 ret = get_errno(sigpending(&set));
4508 if (!is_error(ret)) {
4509 if (!(p = lock_user(VERIFY_WRITE, arg1, sizeof(target_sigset_t), 0)))
4511 host_to_target_old_sigset(p, &set);
4512 unlock_user(p, arg1, sizeof(target_sigset_t));
4517 case TARGET_NR_rt_sigpending:
4520 ret = get_errno(sigpending(&set));
4521 if (!is_error(ret)) {
4522 if (!(p = lock_user(VERIFY_WRITE, arg1, sizeof(target_sigset_t), 0)))
4524 host_to_target_sigset(p, &set);
4525 unlock_user(p, arg1, sizeof(target_sigset_t));
4529 #ifdef TARGET_NR_sigsuspend
4530 case TARGET_NR_sigsuspend:
4533 if (!(p = lock_user(VERIFY_READ, arg1, sizeof(target_sigset_t), 1)))
4535 target_to_host_old_sigset(&set, p);
4536 unlock_user(p, arg1, 0);
4537 ret = get_errno(sigsuspend(&set));
4541 case TARGET_NR_rt_sigsuspend:
4544 if (!(p = lock_user(VERIFY_READ, arg1, sizeof(target_sigset_t), 1)))
4546 target_to_host_sigset(&set, p);
4547 unlock_user(p, arg1, 0);
4548 ret = get_errno(sigsuspend(&set));
4551 case TARGET_NR_rt_sigtimedwait:
4554 struct timespec uts, *puts;
4557 if (!(p = lock_user(VERIFY_READ, arg1, sizeof(target_sigset_t), 1)))
4559 target_to_host_sigset(&set, p);
4560 unlock_user(p, arg1, 0);
4563 target_to_host_timespec(puts, arg3);
4567 ret = get_errno(sigtimedwait(&set, &uinfo, puts));
4568 if (!is_error(ret) && arg2) {
4569 if (!(p = lock_user(VERIFY_WRITE, arg2, sizeof(target_siginfo_t), 0)))
4571 host_to_target_siginfo(p, &uinfo);
4572 unlock_user(p, arg2, sizeof(target_siginfo_t));
4576 case TARGET_NR_rt_sigqueueinfo:
4579 if (!(p = lock_user(VERIFY_READ, arg3, sizeof(target_sigset_t), 1)))
4581 target_to_host_siginfo(&uinfo, p);
4582 unlock_user(p, arg1, 0);
4583 ret = get_errno(sys_rt_sigqueueinfo(arg1, arg2, &uinfo));
4586 #ifdef TARGET_NR_sigreturn
4587 case TARGET_NR_sigreturn:
4588 /* NOTE: ret is eax, so not transcoding must be done */
4589 ret = do_sigreturn(cpu_env);
4592 case TARGET_NR_rt_sigreturn:
4593 /* NOTE: ret is eax, so not transcoding must be done */
4594 ret = do_rt_sigreturn(cpu_env);
4596 case TARGET_NR_sethostname:
4597 if (!(p = lock_user_string(arg1)))
4599 ret = get_errno(sethostname(p, arg2));
4600 unlock_user(p, arg1, 0);
4602 case TARGET_NR_setrlimit:
4604 /* XXX: convert resource ? */
4605 int resource = arg1;
4606 struct target_rlimit *target_rlim;
4608 if (!lock_user_struct(VERIFY_READ, target_rlim, arg2, 1))
4610 rlim.rlim_cur = tswapl(target_rlim->rlim_cur);
4611 rlim.rlim_max = tswapl(target_rlim->rlim_max);
4612 unlock_user_struct(target_rlim, arg2, 0);
4613 ret = get_errno(setrlimit(resource, &rlim));
4616 case TARGET_NR_getrlimit:
4618 /* XXX: convert resource ? */
4619 int resource = arg1;
4620 struct target_rlimit *target_rlim;
4623 ret = get_errno(getrlimit(resource, &rlim));
4624 if (!is_error(ret)) {
4625 if (!lock_user_struct(VERIFY_WRITE, target_rlim, arg2, 0))
4627 rlim.rlim_cur = tswapl(target_rlim->rlim_cur);
4628 rlim.rlim_max = tswapl(target_rlim->rlim_max);
4629 unlock_user_struct(target_rlim, arg2, 1);
4633 case TARGET_NR_getrusage:
4635 struct rusage rusage;
4636 ret = get_errno(getrusage(arg1, &rusage));
4637 if (!is_error(ret)) {
4638 host_to_target_rusage(arg2, &rusage);
4642 case TARGET_NR_gettimeofday:
4645 ret = get_errno(gettimeofday(&tv, NULL));
4646 if (!is_error(ret)) {
4647 if (copy_to_user_timeval(arg1, &tv))
4652 case TARGET_NR_settimeofday:
4655 if (copy_from_user_timeval(&tv, arg1))
4657 ret = get_errno(settimeofday(&tv, NULL));
4660 #ifdef TARGET_NR_select
4661 case TARGET_NR_select:
4663 struct target_sel_arg_struct *sel;
4664 abi_ulong inp, outp, exp, tvp;
4667 if (!lock_user_struct(VERIFY_READ, sel, arg1, 1))
4669 nsel = tswapl(sel->n);
4670 inp = tswapl(sel->inp);
4671 outp = tswapl(sel->outp);
4672 exp = tswapl(sel->exp);
4673 tvp = tswapl(sel->tvp);
4674 unlock_user_struct(sel, arg1, 0);
4675 ret = do_select(nsel, inp, outp, exp, tvp);
4679 case TARGET_NR_symlink:
4682 p = lock_user_string(arg1);
4683 p2 = lock_user_string(arg2);
4685 ret = -TARGET_EFAULT;
4687 ret = get_errno(symlink(p, p2));
4688 unlock_user(p2, arg2, 0);
4689 unlock_user(p, arg1, 0);
4692 #if defined(TARGET_NR_symlinkat) && defined(__NR_symlinkat)
4693 case TARGET_NR_symlinkat:
4696 p = lock_user_string(arg1);
4697 p2 = lock_user_string(arg3);
4699 ret = -TARGET_EFAULT;
4701 ret = get_errno(sys_symlinkat(p, arg2, p2));
4702 unlock_user(p2, arg3, 0);
4703 unlock_user(p, arg1, 0);
4707 #ifdef TARGET_NR_oldlstat
4708 case TARGET_NR_oldlstat:
4711 case TARGET_NR_readlink:
4714 p = lock_user_string(arg1);
4715 p2 = lock_user(VERIFY_WRITE, arg2, arg3, 0);
4717 ret = -TARGET_EFAULT;
4719 if (strncmp((const char *)p, "/proc/self/exe", 14) == 0) {
4720 char real[PATH_MAX];
4721 temp = realpath(exec_path,real);
4722 ret = (temp==NULL) ? get_errno(-1) : strlen(real) ;
4723 snprintf((char *)p2, arg3, "%s", real);
4726 ret = get_errno(readlink(path(p), p2, arg3));
4728 unlock_user(p2, arg2, ret);
4729 unlock_user(p, arg1, 0);
4732 #if defined(TARGET_NR_readlinkat) && defined(__NR_readlinkat)
4733 case TARGET_NR_readlinkat:
4736 p = lock_user_string(arg2);
4737 p2 = lock_user(VERIFY_WRITE, arg3, arg4, 0);
4739 ret = -TARGET_EFAULT;
4741 ret = get_errno(sys_readlinkat(arg1, path(p), p2, arg4));
4742 unlock_user(p2, arg3, ret);
4743 unlock_user(p, arg2, 0);
4747 #ifdef TARGET_NR_uselib
4748 case TARGET_NR_uselib:
4751 #ifdef TARGET_NR_swapon
4752 case TARGET_NR_swapon:
4753 if (!(p = lock_user_string(arg1)))
4755 ret = get_errno(swapon(p, arg2));
4756 unlock_user(p, arg1, 0);
4759 case TARGET_NR_reboot:
4761 #ifdef TARGET_NR_readdir
4762 case TARGET_NR_readdir:
4765 #ifdef TARGET_NR_mmap
4766 case TARGET_NR_mmap:
4767 #if (defined(TARGET_I386) && defined(TARGET_ABI32)) || defined(TARGET_ARM) || defined(TARGET_M68K) || defined(TARGET_CRIS)
4770 abi_ulong v1, v2, v3, v4, v5, v6;
4771 if (!(v = lock_user(VERIFY_READ, arg1, 6 * sizeof(abi_ulong), 1)))
4779 unlock_user(v, arg1, 0);
4780 ret = get_errno(target_mmap(v1, v2, v3,
4781 target_to_host_bitmask(v4, mmap_flags_tbl),
4785 ret = get_errno(target_mmap(arg1, arg2, arg3,
4786 target_to_host_bitmask(arg4, mmap_flags_tbl),
4792 #ifdef TARGET_NR_mmap2
4793 case TARGET_NR_mmap2:
4795 #define MMAP_SHIFT 12
4797 ret = get_errno(target_mmap(arg1, arg2, arg3,
4798 target_to_host_bitmask(arg4, mmap_flags_tbl),
4800 arg6 << MMAP_SHIFT));
4803 case TARGET_NR_munmap:
4804 ret = get_errno(target_munmap(arg1, arg2));
4806 case TARGET_NR_mprotect:
4807 ret = get_errno(target_mprotect(arg1, arg2, arg3));
4809 #ifdef TARGET_NR_mremap
4810 case TARGET_NR_mremap:
4811 ret = get_errno(target_mremap(arg1, arg2, arg3, arg4, arg5));
4814 /* ??? msync/mlock/munlock are broken for softmmu. */
4815 #ifdef TARGET_NR_msync
4816 case TARGET_NR_msync:
4817 ret = get_errno(msync(g2h(arg1), arg2, arg3));
4820 #ifdef TARGET_NR_mlock
4821 case TARGET_NR_mlock:
4822 ret = get_errno(mlock(g2h(arg1), arg2));
4825 #ifdef TARGET_NR_munlock
4826 case TARGET_NR_munlock:
4827 ret = get_errno(munlock(g2h(arg1), arg2));
4830 #ifdef TARGET_NR_mlockall
4831 case TARGET_NR_mlockall:
4832 ret = get_errno(mlockall(arg1));
4835 #ifdef TARGET_NR_munlockall
4836 case TARGET_NR_munlockall:
4837 ret = get_errno(munlockall());
4840 case TARGET_NR_truncate:
4841 if (!(p = lock_user_string(arg1)))
4843 ret = get_errno(truncate(p, arg2));
4844 unlock_user(p, arg1, 0);
4846 case TARGET_NR_ftruncate:
4847 ret = get_errno(ftruncate(arg1, arg2));
4849 case TARGET_NR_fchmod:
4850 ret = get_errno(fchmod(arg1, arg2));
4852 #if defined(TARGET_NR_fchmodat) && defined(__NR_fchmodat)
4853 case TARGET_NR_fchmodat:
4854 if (!(p = lock_user_string(arg2)))
4856 ret = get_errno(sys_fchmodat(arg1, p, arg3, arg4));
4857 unlock_user(p, arg2, 0);
4860 case TARGET_NR_getpriority:
4861 /* libc does special remapping of the return value of
4862 * sys_getpriority() so it's just easiest to call
4863 * sys_getpriority() directly rather than through libc. */
4864 ret = sys_getpriority(arg1, arg2);
4866 case TARGET_NR_setpriority:
4867 ret = get_errno(setpriority(arg1, arg2, arg3));
4869 #ifdef TARGET_NR_profil
4870 case TARGET_NR_profil:
4873 case TARGET_NR_statfs:
4874 if (!(p = lock_user_string(arg1)))
4876 ret = get_errno(statfs(path(p), &stfs));
4877 unlock_user(p, arg1, 0);
4879 if (!is_error(ret)) {
4880 struct target_statfs *target_stfs;
4882 if (!lock_user_struct(VERIFY_WRITE, target_stfs, arg2, 0))
4884 __put_user(stfs.f_type, &target_stfs->f_type);
4885 __put_user(stfs.f_bsize, &target_stfs->f_bsize);
4886 __put_user(stfs.f_blocks, &target_stfs->f_blocks);
4887 __put_user(stfs.f_bfree, &target_stfs->f_bfree);
4888 __put_user(stfs.f_bavail, &target_stfs->f_bavail);
4889 __put_user(stfs.f_files, &target_stfs->f_files);
4890 __put_user(stfs.f_ffree, &target_stfs->f_ffree);
4891 __put_user(stfs.f_fsid.__val[0], &target_stfs->f_fsid.val[0]);
4892 __put_user(stfs.f_fsid.__val[1], &target_stfs->f_fsid.val[1]);
4893 __put_user(stfs.f_namelen, &target_stfs->f_namelen);
4894 unlock_user_struct(target_stfs, arg2, 1);
4897 case TARGET_NR_fstatfs:
4898 ret = get_errno(fstatfs(arg1, &stfs));
4899 goto convert_statfs;
4900 #ifdef TARGET_NR_statfs64
4901 case TARGET_NR_statfs64:
4902 if (!(p = lock_user_string(arg1)))
4904 ret = get_errno(statfs(path(p), &stfs));
4905 unlock_user(p, arg1, 0);
4907 if (!is_error(ret)) {
4908 struct target_statfs64 *target_stfs;
4910 if (!lock_user_struct(VERIFY_WRITE, target_stfs, arg3, 0))
4912 __put_user(stfs.f_type, &target_stfs->f_type);
4913 __put_user(stfs.f_bsize, &target_stfs->f_bsize);
4914 __put_user(stfs.f_blocks, &target_stfs->f_blocks);
4915 __put_user(stfs.f_bfree, &target_stfs->f_bfree);
4916 __put_user(stfs.f_bavail, &target_stfs->f_bavail);
4917 __put_user(stfs.f_files, &target_stfs->f_files);
4918 __put_user(stfs.f_ffree, &target_stfs->f_ffree);
4919 __put_user(stfs.f_fsid.__val[0], &target_stfs->f_fsid.val[0]);
4920 __put_user(stfs.f_fsid.__val[1], &target_stfs->f_fsid.val[1]);
4921 __put_user(stfs.f_namelen, &target_stfs->f_namelen);
4922 unlock_user_struct(target_stfs, arg3, 1);
4925 case TARGET_NR_fstatfs64:
4926 ret = get_errno(fstatfs(arg1, &stfs));
4927 goto convert_statfs64;
4929 #ifdef TARGET_NR_ioperm
4930 case TARGET_NR_ioperm:
4933 #ifdef TARGET_NR_socketcall
4934 case TARGET_NR_socketcall:
4935 ret = do_socketcall(arg1, arg2);
4938 #ifdef TARGET_NR_accept
4939 case TARGET_NR_accept:
4940 ret = do_accept(arg1, arg2, arg3);
4943 #ifdef TARGET_NR_bind
4944 case TARGET_NR_bind:
4945 ret = do_bind(arg1, arg2, arg3);
4948 #ifdef TARGET_NR_connect
4949 case TARGET_NR_connect:
4950 ret = do_connect(arg1, arg2, arg3);
4953 #ifdef TARGET_NR_getpeername
4954 case TARGET_NR_getpeername:
4955 ret = do_getpeername(arg1, arg2, arg3);
4958 #ifdef TARGET_NR_getsockname
4959 case TARGET_NR_getsockname:
4960 ret = do_getsockname(arg1, arg2, arg3);
4963 #ifdef TARGET_NR_getsockopt
4964 case TARGET_NR_getsockopt:
4965 ret = do_getsockopt(arg1, arg2, arg3, arg4, arg5);
4968 #ifdef TARGET_NR_listen
4969 case TARGET_NR_listen:
4970 ret = get_errno(listen(arg1, arg2));
4973 #ifdef TARGET_NR_recv
4974 case TARGET_NR_recv:
4975 ret = do_recvfrom(arg1, arg2, arg3, arg4, 0, 0);
4978 #ifdef TARGET_NR_recvfrom
4979 case TARGET_NR_recvfrom:
4980 ret = do_recvfrom(arg1, arg2, arg3, arg4, arg5, arg6);
4983 #ifdef TARGET_NR_recvmsg
4984 case TARGET_NR_recvmsg:
4985 ret = do_sendrecvmsg(arg1, arg2, arg3, 0);
4988 #ifdef TARGET_NR_send
4989 case TARGET_NR_send:
4990 ret = do_sendto(arg1, arg2, arg3, arg4, 0, 0);
4993 #ifdef TARGET_NR_sendmsg
4994 case TARGET_NR_sendmsg:
4995 ret = do_sendrecvmsg(arg1, arg2, arg3, 1);
4998 #ifdef TARGET_NR_sendto
4999 case TARGET_NR_sendto:
5000 ret = do_sendto(arg1, arg2, arg3, arg4, arg5, arg6);
5003 #ifdef TARGET_NR_shutdown
5004 case TARGET_NR_shutdown:
5005 ret = get_errno(shutdown(arg1, arg2));
5008 #ifdef TARGET_NR_socket
5009 case TARGET_NR_socket:
5010 ret = do_socket(arg1, arg2, arg3);
5013 #ifdef TARGET_NR_socketpair
5014 case TARGET_NR_socketpair:
5015 ret = do_socketpair(arg1, arg2, arg3, arg4);
5018 #ifdef TARGET_NR_setsockopt
5019 case TARGET_NR_setsockopt:
5020 ret = do_setsockopt(arg1, arg2, arg3, arg4, (socklen_t) arg5);
5024 case TARGET_NR_syslog:
5025 if (!(p = lock_user_string(arg2)))
5027 ret = get_errno(sys_syslog((int)arg1, p, (int)arg3));
5028 unlock_user(p, arg2, 0);
5031 case TARGET_NR_setitimer:
5033 struct itimerval value, ovalue, *pvalue;
5037 if (copy_from_user_timeval(&pvalue->it_interval, arg2)
5038 || copy_from_user_timeval(&pvalue->it_value,
5039 arg2 + sizeof(struct target_timeval)))
5044 ret = get_errno(setitimer(arg1, pvalue, &ovalue));
5045 if (!is_error(ret) && arg3) {
5046 if (copy_to_user_timeval(arg3,
5047 &ovalue.it_interval)
5048 || copy_to_user_timeval(arg3 + sizeof(struct target_timeval),
5054 case TARGET_NR_getitimer:
5056 struct itimerval value;
5058 ret = get_errno(getitimer(arg1, &value));
5059 if (!is_error(ret) && arg2) {
5060 if (copy_to_user_timeval(arg2,
5062 || copy_to_user_timeval(arg2 + sizeof(struct target_timeval),
5068 case TARGET_NR_stat:
5069 if (!(p = lock_user_string(arg1)))
5071 ret = get_errno(stat(path(p), &st));
5072 unlock_user(p, arg1, 0);
5074 case TARGET_NR_lstat:
5075 if (!(p = lock_user_string(arg1)))
5077 ret = get_errno(lstat(path(p), &st));
5078 unlock_user(p, arg1, 0);
5080 case TARGET_NR_fstat:
5082 ret = get_errno(fstat(arg1, &st));
5084 if (!is_error(ret)) {
5085 struct target_stat *target_st;
5087 if (!lock_user_struct(VERIFY_WRITE, target_st, arg2, 0))
5089 __put_user(st.st_dev, &target_st->st_dev);
5090 __put_user(st.st_ino, &target_st->st_ino);
5091 __put_user(st.st_mode, &target_st->st_mode);
5092 __put_user(st.st_uid, &target_st->st_uid);
5093 __put_user(st.st_gid, &target_st->st_gid);
5094 __put_user(st.st_nlink, &target_st->st_nlink);
5095 __put_user(st.st_rdev, &target_st->st_rdev);
5096 __put_user(st.st_size, &target_st->st_size);
5097 __put_user(st.st_blksize, &target_st->st_blksize);
5098 __put_user(st.st_blocks, &target_st->st_blocks);
5099 __put_user(st.st_atime, &target_st->target_st_atime);
5100 __put_user(st.st_mtime, &target_st->target_st_mtime);
5101 __put_user(st.st_ctime, &target_st->target_st_ctime);
5102 unlock_user_struct(target_st, arg2, 1);
5106 #ifdef TARGET_NR_olduname
5107 case TARGET_NR_olduname:
5110 #ifdef TARGET_NR_iopl
5111 case TARGET_NR_iopl:
5114 case TARGET_NR_vhangup:
5115 ret = get_errno(vhangup());
5117 #ifdef TARGET_NR_idle
5118 case TARGET_NR_idle:
5121 #ifdef TARGET_NR_syscall
5122 case TARGET_NR_syscall:
5123 ret = do_syscall(cpu_env,arg1 & 0xffff,arg2,arg3,arg4,arg5,arg6,0);
5126 case TARGET_NR_wait4:
5129 abi_long status_ptr = arg2;
5130 struct rusage rusage, *rusage_ptr;
5131 abi_ulong target_rusage = arg4;
5133 rusage_ptr = &rusage;
5136 ret = get_errno(wait4(arg1, &status, arg3, rusage_ptr));
5137 if (!is_error(ret)) {
5139 if (put_user_s32(status, status_ptr))
5143 host_to_target_rusage(target_rusage, &rusage);
5147 #ifdef TARGET_NR_swapoff
5148 case TARGET_NR_swapoff:
5149 if (!(p = lock_user_string(arg1)))
5151 ret = get_errno(swapoff(p));
5152 unlock_user(p, arg1, 0);
5155 case TARGET_NR_sysinfo:
5157 struct target_sysinfo *target_value;
5158 struct sysinfo value;
5159 ret = get_errno(sysinfo(&value));
5160 if (!is_error(ret) && arg1)
5162 if (!lock_user_struct(VERIFY_WRITE, target_value, arg1, 0))
5164 __put_user(value.uptime, &target_value->uptime);
5165 __put_user(value.loads[0], &target_value->loads[0]);
5166 __put_user(value.loads[1], &target_value->loads[1]);
5167 __put_user(value.loads[2], &target_value->loads[2]);
5168 __put_user(value.totalram, &target_value->totalram);
5169 __put_user(value.freeram, &target_value->freeram);
5170 __put_user(value.sharedram, &target_value->sharedram);
5171 __put_user(value.bufferram, &target_value->bufferram);
5172 __put_user(value.totalswap, &target_value->totalswap);
5173 __put_user(value.freeswap, &target_value->freeswap);
5174 __put_user(value.procs, &target_value->procs);
5175 __put_user(value.totalhigh, &target_value->totalhigh);
5176 __put_user(value.freehigh, &target_value->freehigh);
5177 __put_user(value.mem_unit, &target_value->mem_unit);
5178 unlock_user_struct(target_value, arg1, 1);
5182 #ifdef TARGET_NR_ipc
5184 ret = do_ipc(arg1, arg2, arg3, arg4, arg5, arg6);
5188 #ifdef TARGET_NR_msgctl
5189 case TARGET_NR_msgctl:
5190 ret = do_msgctl(arg1, arg2, arg3);
5193 #ifdef TARGET_NR_msgget
5194 case TARGET_NR_msgget:
5195 ret = get_errno(msgget(arg1, arg2));
5198 #ifdef TARGET_NR_msgrcv
5199 case TARGET_NR_msgrcv:
5200 ret = do_msgrcv(arg1, arg2, arg3, arg4, arg5);
5203 #ifdef TARGET_NR_msgsnd
5204 case TARGET_NR_msgsnd:
5205 ret = do_msgsnd(arg1, arg2, arg3, arg4);
5208 case TARGET_NR_fsync:
5209 ret = get_errno(fsync(arg1));
5211 case TARGET_NR_clone:
5212 #if defined(TARGET_SH4)
5213 ret = get_errno(do_fork(cpu_env, arg1, arg2, arg3, arg5, arg4));
5214 #elif defined(TARGET_CRIS)
5215 ret = get_errno(do_fork(cpu_env, arg2, arg1, arg3, arg4, arg5));
5217 ret = get_errno(do_fork(cpu_env, arg1, arg2, arg3, arg4, arg5));
5220 #ifdef __NR_exit_group
5221 /* new thread calls */
5222 case TARGET_NR_exit_group:
5226 gdb_exit(cpu_env, arg1);
5227 ret = get_errno(exit_group(arg1));
5230 case TARGET_NR_setdomainname:
5231 if (!(p = lock_user_string(arg1)))
5233 ret = get_errno(setdomainname(p, arg2));
5234 unlock_user(p, arg1, 0);
5236 case TARGET_NR_uname:
5237 /* no need to transcode because we use the linux syscall */
5239 struct new_utsname * buf;
5241 if (!lock_user_struct(VERIFY_WRITE, buf, arg1, 0))
5243 ret = get_errno(sys_uname(buf));
5244 if (!is_error(ret)) {
5245 /* Overrite the native machine name with whatever is being
5247 strcpy (buf->machine, UNAME_MACHINE);
5248 /* Allow the user to override the reported release. */
5249 if (qemu_uname_release && *qemu_uname_release)
5250 strcpy (buf->release, qemu_uname_release);
5252 unlock_user_struct(buf, arg1, 1);
5256 case TARGET_NR_modify_ldt:
5257 ret = do_modify_ldt(cpu_env, arg1, arg2, arg3);
5259 #if !defined(TARGET_X86_64)
5260 case TARGET_NR_vm86old:
5262 case TARGET_NR_vm86:
5263 ret = do_vm86(cpu_env, arg1, arg2);
5267 case TARGET_NR_adjtimex:
5269 #ifdef TARGET_NR_create_module
5270 case TARGET_NR_create_module:
5272 case TARGET_NR_init_module:
5273 case TARGET_NR_delete_module:
5274 #ifdef TARGET_NR_get_kernel_syms
5275 case TARGET_NR_get_kernel_syms:
5278 case TARGET_NR_quotactl:
5280 case TARGET_NR_getpgid:
5281 ret = get_errno(getpgid(arg1));
5283 case TARGET_NR_fchdir:
5284 ret = get_errno(fchdir(arg1));
5286 #ifdef TARGET_NR_bdflush /* not on x86_64 */
5287 case TARGET_NR_bdflush:
5290 #ifdef TARGET_NR_sysfs
5291 case TARGET_NR_sysfs:
5294 case TARGET_NR_personality:
5295 ret = get_errno(personality(arg1));
5297 #ifdef TARGET_NR_afs_syscall
5298 case TARGET_NR_afs_syscall:
5301 #ifdef TARGET_NR__llseek /* Not on alpha */
5302 case TARGET_NR__llseek:
5304 #if defined (__x86_64__)
5305 ret = get_errno(lseek(arg1, ((uint64_t )arg2 << 32) | arg3, arg5));
5306 if (put_user_s64(ret, arg4))
5310 ret = get_errno(_llseek(arg1, arg2, arg3, &res, arg5));
5311 if (put_user_s64(res, arg4))
5317 case TARGET_NR_getdents:
5318 #if TARGET_ABI_BITS != 32
5320 #elif TARGET_ABI_BITS == 32 && HOST_LONG_BITS == 64
5322 struct target_dirent *target_dirp;
5323 struct linux_dirent *dirp;
5324 abi_long count = arg3;
5326 dirp = malloc(count);
5328 ret = -TARGET_ENOMEM;
5332 ret = get_errno(sys_getdents(arg1, dirp, count));
5333 if (!is_error(ret)) {
5334 struct linux_dirent *de;
5335 struct target_dirent *tde;
5337 int reclen, treclen;
5338 int count1, tnamelen;
5342 if (!(target_dirp = lock_user(VERIFY_WRITE, arg2, count, 0)))
5346 reclen = de->d_reclen;
5347 treclen = reclen - (2 * (sizeof(long) - sizeof(abi_long)));
5348 tde->d_reclen = tswap16(treclen);
5349 tde->d_ino = tswapl(de->d_ino);
5350 tde->d_off = tswapl(de->d_off);
5351 tnamelen = treclen - (2 * sizeof(abi_long) + 2);
5354 /* XXX: may not be correct */
5355 pstrcpy(tde->d_name, tnamelen, de->d_name);
5356 de = (struct linux_dirent *)((char *)de + reclen);
5358 tde = (struct target_dirent *)((char *)tde + treclen);
5362 unlock_user(target_dirp, arg2, ret);
5368 struct linux_dirent *dirp;
5369 abi_long count = arg3;
5371 if (!(dirp = lock_user(VERIFY_WRITE, arg2, count, 0)))
5373 ret = get_errno(sys_getdents(arg1, dirp, count));
5374 if (!is_error(ret)) {
5375 struct linux_dirent *de;
5380 reclen = de->d_reclen;
5383 de->d_reclen = tswap16(reclen);
5384 tswapls(&de->d_ino);
5385 tswapls(&de->d_off);
5386 de = (struct linux_dirent *)((char *)de + reclen);
5390 unlock_user(dirp, arg2, ret);
5394 #if defined(TARGET_NR_getdents64) && defined(__NR_getdents64)
5395 case TARGET_NR_getdents64:
5397 struct linux_dirent64 *dirp;
5398 abi_long count = arg3;
5399 if (!(dirp = lock_user(VERIFY_WRITE, arg2, count, 0)))
5401 ret = get_errno(sys_getdents64(arg1, dirp, count));
5402 if (!is_error(ret)) {
5403 struct linux_dirent64 *de;
5408 reclen = de->d_reclen;
5411 de->d_reclen = tswap16(reclen);
5412 tswap64s((uint64_t *)&de->d_ino);
5413 tswap64s((uint64_t *)&de->d_off);
5414 de = (struct linux_dirent64 *)((char *)de + reclen);
5418 unlock_user(dirp, arg2, ret);
5421 #endif /* TARGET_NR_getdents64 */
5422 #ifdef TARGET_NR__newselect
5423 case TARGET_NR__newselect:
5424 ret = do_select(arg1, arg2, arg3, arg4, arg5);
5427 #ifdef TARGET_NR_poll
5428 case TARGET_NR_poll:
5430 struct target_pollfd *target_pfd;
5431 unsigned int nfds = arg2;
5436 target_pfd = lock_user(VERIFY_WRITE, arg1, sizeof(struct target_pollfd) * nfds, 1);
5439 pfd = alloca(sizeof(struct pollfd) * nfds);
5440 for(i = 0; i < nfds; i++) {
5441 pfd[i].fd = tswap32(target_pfd[i].fd);
5442 pfd[i].events = tswap16(target_pfd[i].events);
5444 ret = get_errno(poll(pfd, nfds, timeout));
5445 if (!is_error(ret)) {
5446 for(i = 0; i < nfds; i++) {
5447 target_pfd[i].revents = tswap16(pfd[i].revents);
5449 ret += nfds * (sizeof(struct target_pollfd)
5450 - sizeof(struct pollfd));
5452 unlock_user(target_pfd, arg1, ret);
5456 case TARGET_NR_flock:
5457 /* NOTE: the flock constant seems to be the same for every
5459 ret = get_errno(flock(arg1, arg2));
5461 case TARGET_NR_readv:
5466 vec = alloca(count * sizeof(struct iovec));
5467 if (lock_iovec(VERIFY_WRITE, vec, arg2, count, 0) < 0)
5469 ret = get_errno(readv(arg1, vec, count));
5470 unlock_iovec(vec, arg2, count, 1);
5473 case TARGET_NR_writev:
5478 vec = alloca(count * sizeof(struct iovec));
5479 if (lock_iovec(VERIFY_READ, vec, arg2, count, 1) < 0)
5481 ret = get_errno(writev(arg1, vec, count));
5482 unlock_iovec(vec, arg2, count, 0);
5485 case TARGET_NR_getsid:
5486 ret = get_errno(getsid(arg1));
5488 #if defined(TARGET_NR_fdatasync) /* Not on alpha (osf_datasync ?) */
5489 case TARGET_NR_fdatasync:
5490 ret = get_errno(fdatasync(arg1));
5493 case TARGET_NR__sysctl:
5494 /* We don't implement this, but ENOTDIR is always a safe
5496 ret = -TARGET_ENOTDIR;
5498 case TARGET_NR_sched_setparam:
5500 struct sched_param *target_schp;
5501 struct sched_param schp;
5503 if (!lock_user_struct(VERIFY_READ, target_schp, arg2, 1))
5505 schp.sched_priority = tswap32(target_schp->sched_priority);
5506 unlock_user_struct(target_schp, arg2, 0);
5507 ret = get_errno(sched_setparam(arg1, &schp));
5510 case TARGET_NR_sched_getparam:
5512 struct sched_param *target_schp;
5513 struct sched_param schp;
5514 ret = get_errno(sched_getparam(arg1, &schp));
5515 if (!is_error(ret)) {
5516 if (!lock_user_struct(VERIFY_WRITE, target_schp, arg2, 0))
5518 target_schp->sched_priority = tswap32(schp.sched_priority);
5519 unlock_user_struct(target_schp, arg2, 1);
5523 case TARGET_NR_sched_setscheduler:
5525 struct sched_param *target_schp;
5526 struct sched_param schp;
5527 if (!lock_user_struct(VERIFY_READ, target_schp, arg3, 1))
5529 schp.sched_priority = tswap32(target_schp->sched_priority);
5530 unlock_user_struct(target_schp, arg3, 0);
5531 ret = get_errno(sched_setscheduler(arg1, arg2, &schp));
5534 case TARGET_NR_sched_getscheduler:
5535 ret = get_errno(sched_getscheduler(arg1));
5537 case TARGET_NR_sched_yield:
5538 ret = get_errno(sched_yield());
5540 case TARGET_NR_sched_get_priority_max:
5541 ret = get_errno(sched_get_priority_max(arg1));
5543 case TARGET_NR_sched_get_priority_min:
5544 ret = get_errno(sched_get_priority_min(arg1));
5546 case TARGET_NR_sched_rr_get_interval:
5549 ret = get_errno(sched_rr_get_interval(arg1, &ts));
5550 if (!is_error(ret)) {
5551 host_to_target_timespec(arg2, &ts);
5555 case TARGET_NR_nanosleep:
5557 struct timespec req, rem;
5558 target_to_host_timespec(&req, arg1);
5559 ret = get_errno(nanosleep(&req, &rem));
5560 if (is_error(ret) && arg2) {
5561 host_to_target_timespec(arg2, &rem);
5565 #ifdef TARGET_NR_query_module
5566 case TARGET_NR_query_module:
5569 #ifdef TARGET_NR_nfsservctl
5570 case TARGET_NR_nfsservctl:
5573 case TARGET_NR_prctl:
5576 case PR_GET_PDEATHSIG:
5579 ret = get_errno(prctl(arg1, &deathsig, arg3, arg4, arg5));
5580 if (!is_error(ret) && arg2
5581 && put_user_ual(deathsig, arg2))
5586 ret = get_errno(prctl(arg1, arg2, arg3, arg4, arg5));
5590 #ifdef TARGET_NR_arch_prctl
5591 case TARGET_NR_arch_prctl:
5592 #if defined(TARGET_I386) && !defined(TARGET_ABI32)
5593 ret = do_arch_prctl(cpu_env, arg1, arg2);
5599 #ifdef TARGET_NR_pread
5600 case TARGET_NR_pread:
5602 if (((CPUARMState *)cpu_env)->eabi)
5605 if (!(p = lock_user(VERIFY_WRITE, arg2, arg3, 0)))
5607 ret = get_errno(pread(arg1, p, arg3, arg4));
5608 unlock_user(p, arg2, ret);
5610 case TARGET_NR_pwrite:
5612 if (((CPUARMState *)cpu_env)->eabi)
5615 if (!(p = lock_user(VERIFY_READ, arg2, arg3, 1)))
5617 ret = get_errno(pwrite(arg1, p, arg3, arg4));
5618 unlock_user(p, arg2, 0);
5621 #ifdef TARGET_NR_pread64
5622 case TARGET_NR_pread64:
5623 if (!(p = lock_user(VERIFY_WRITE, arg2, arg3, 0)))
5625 ret = get_errno(pread64(arg1, p, arg3, target_offset64(arg4, arg5)));
5626 unlock_user(p, arg2, ret);
5628 case TARGET_NR_pwrite64:
5629 if (!(p = lock_user(VERIFY_READ, arg2, arg3, 1)))
5631 ret = get_errno(pwrite64(arg1, p, arg3, target_offset64(arg4, arg5)));
5632 unlock_user(p, arg2, 0);
5635 case TARGET_NR_getcwd:
5636 if (!(p = lock_user(VERIFY_WRITE, arg1, arg2, 0)))
5638 ret = get_errno(sys_getcwd1(p, arg2));
5639 unlock_user(p, arg1, ret);
5641 case TARGET_NR_capget:
5643 case TARGET_NR_capset:
5645 case TARGET_NR_sigaltstack:
5646 #if defined(TARGET_I386) || defined(TARGET_ARM) || defined(TARGET_MIPS) || \
5647 defined(TARGET_SPARC) || defined(TARGET_PPC) || defined(TARGET_ALPHA)
5648 ret = do_sigaltstack(arg1, arg2, get_sp_from_cpustate((CPUState *)cpu_env));
5653 case TARGET_NR_sendfile:
5655 #ifdef TARGET_NR_getpmsg
5656 case TARGET_NR_getpmsg:
5659 #ifdef TARGET_NR_putpmsg
5660 case TARGET_NR_putpmsg:
5663 #ifdef TARGET_NR_vfork
5664 case TARGET_NR_vfork:
5665 ret = get_errno(do_fork(cpu_env, CLONE_VFORK | CLONE_VM | SIGCHLD,
5669 #ifdef TARGET_NR_ugetrlimit
5670 case TARGET_NR_ugetrlimit:
5673 ret = get_errno(getrlimit(arg1, &rlim));
5674 if (!is_error(ret)) {
5675 struct target_rlimit *target_rlim;
5676 if (!lock_user_struct(VERIFY_WRITE, target_rlim, arg2, 0))
5678 target_rlim->rlim_cur = tswapl(rlim.rlim_cur);
5679 target_rlim->rlim_max = tswapl(rlim.rlim_max);
5680 unlock_user_struct(target_rlim, arg2, 1);
5685 #ifdef TARGET_NR_truncate64
5686 case TARGET_NR_truncate64:
5687 if (!(p = lock_user_string(arg1)))
5689 ret = target_truncate64(cpu_env, p, arg2, arg3, arg4);
5690 unlock_user(p, arg1, 0);
5693 #ifdef TARGET_NR_ftruncate64
5694 case TARGET_NR_ftruncate64:
5695 ret = target_ftruncate64(cpu_env, arg1, arg2, arg3, arg4);
5698 #ifdef TARGET_NR_stat64
5699 case TARGET_NR_stat64:
5700 if (!(p = lock_user_string(arg1)))
5702 ret = get_errno(stat(path(p), &st));
5703 unlock_user(p, arg1, 0);
5705 ret = host_to_target_stat64(cpu_env, arg2, &st);
5708 #ifdef TARGET_NR_lstat64
5709 case TARGET_NR_lstat64:
5710 if (!(p = lock_user_string(arg1)))
5712 ret = get_errno(lstat(path(p), &st));
5713 unlock_user(p, arg1, 0);
5715 ret = host_to_target_stat64(cpu_env, arg2, &st);
5718 #ifdef TARGET_NR_fstat64
5719 case TARGET_NR_fstat64:
5720 ret = get_errno(fstat(arg1, &st));
5722 ret = host_to_target_stat64(cpu_env, arg2, &st);
5725 #if (defined(TARGET_NR_fstatat64) || defined(TARGET_NR_newfstatat)) && \
5726 (defined(__NR_fstatat64) || defined(__NR_newfstatat))
5727 #ifdef TARGET_NR_fstatat64
5728 case TARGET_NR_fstatat64:
5730 #ifdef TARGET_NR_newfstatat
5731 case TARGET_NR_newfstatat:
5733 if (!(p = lock_user_string(arg2)))
5735 #ifdef __NR_fstatat64
5736 ret = get_errno(sys_fstatat64(arg1, path(p), &st, arg4));
5738 ret = get_errno(sys_newfstatat(arg1, path(p), &st, arg4));
5741 ret = host_to_target_stat64(cpu_env, arg3, &st);
5745 case TARGET_NR_lchown:
5746 if (!(p = lock_user_string(arg1)))
5748 ret = get_errno(lchown(p, low2highuid(arg2), low2highgid(arg3)));
5749 unlock_user(p, arg1, 0);
5751 case TARGET_NR_getuid:
5752 ret = get_errno(high2lowuid(getuid()));
5754 case TARGET_NR_getgid:
5755 ret = get_errno(high2lowgid(getgid()));
5757 case TARGET_NR_geteuid:
5758 ret = get_errno(high2lowuid(geteuid()));
5760 case TARGET_NR_getegid:
5761 ret = get_errno(high2lowgid(getegid()));
5763 case TARGET_NR_setreuid:
5764 ret = get_errno(setreuid(low2highuid(arg1), low2highuid(arg2)));
5766 case TARGET_NR_setregid:
5767 ret = get_errno(setregid(low2highgid(arg1), low2highgid(arg2)));
5769 case TARGET_NR_getgroups:
5771 int gidsetsize = arg1;
5772 uint16_t *target_grouplist;
5776 grouplist = alloca(gidsetsize * sizeof(gid_t));
5777 ret = get_errno(getgroups(gidsetsize, grouplist));
5778 if (gidsetsize == 0)
5780 if (!is_error(ret)) {
5781 target_grouplist = lock_user(VERIFY_WRITE, arg2, gidsetsize * 2, 0);
5782 if (!target_grouplist)
5784 for(i = 0;i < ret; i++)
5785 target_grouplist[i] = tswap16(grouplist[i]);
5786 unlock_user(target_grouplist, arg2, gidsetsize * 2);
5790 case TARGET_NR_setgroups:
5792 int gidsetsize = arg1;
5793 uint16_t *target_grouplist;
5797 grouplist = alloca(gidsetsize * sizeof(gid_t));
5798 target_grouplist = lock_user(VERIFY_READ, arg2, gidsetsize * 2, 1);
5799 if (!target_grouplist) {
5800 ret = -TARGET_EFAULT;
5803 for(i = 0;i < gidsetsize; i++)
5804 grouplist[i] = tswap16(target_grouplist[i]);
5805 unlock_user(target_grouplist, arg2, 0);
5806 ret = get_errno(setgroups(gidsetsize, grouplist));
5809 case TARGET_NR_fchown:
5810 ret = get_errno(fchown(arg1, low2highuid(arg2), low2highgid(arg3)));
5812 #if defined(TARGET_NR_fchownat) && defined(__NR_fchownat)
5813 case TARGET_NR_fchownat:
5814 if (!(p = lock_user_string(arg2)))
5816 ret = get_errno(sys_fchownat(arg1, p, low2highuid(arg3), low2highgid(arg4), arg5));
5817 unlock_user(p, arg2, 0);
5820 #ifdef TARGET_NR_setresuid
5821 case TARGET_NR_setresuid:
5822 ret = get_errno(setresuid(low2highuid(arg1),
5824 low2highuid(arg3)));
5827 #ifdef TARGET_NR_getresuid
5828 case TARGET_NR_getresuid:
5830 uid_t ruid, euid, suid;
5831 ret = get_errno(getresuid(&ruid, &euid, &suid));
5832 if (!is_error(ret)) {
5833 if (put_user_u16(high2lowuid(ruid), arg1)
5834 || put_user_u16(high2lowuid(euid), arg2)
5835 || put_user_u16(high2lowuid(suid), arg3))
5841 #ifdef TARGET_NR_getresgid
5842 case TARGET_NR_setresgid:
5843 ret = get_errno(setresgid(low2highgid(arg1),
5845 low2highgid(arg3)));
5848 #ifdef TARGET_NR_getresgid
5849 case TARGET_NR_getresgid:
5851 gid_t rgid, egid, sgid;
5852 ret = get_errno(getresgid(&rgid, &egid, &sgid));
5853 if (!is_error(ret)) {
5854 if (put_user_u16(high2lowgid(rgid), arg1)
5855 || put_user_u16(high2lowgid(egid), arg2)
5856 || put_user_u16(high2lowgid(sgid), arg3))
5862 case TARGET_NR_chown:
5863 if (!(p = lock_user_string(arg1)))
5865 ret = get_errno(chown(p, low2highuid(arg2), low2highgid(arg3)));
5866 unlock_user(p, arg1, 0);
5868 case TARGET_NR_setuid:
5869 ret = get_errno(setuid(low2highuid(arg1)));
5871 case TARGET_NR_setgid:
5872 ret = get_errno(setgid(low2highgid(arg1)));
5874 case TARGET_NR_setfsuid:
5875 ret = get_errno(setfsuid(arg1));
5877 case TARGET_NR_setfsgid:
5878 ret = get_errno(setfsgid(arg1));
5880 #endif /* USE_UID16 */
5882 #ifdef TARGET_NR_lchown32
5883 case TARGET_NR_lchown32:
5884 if (!(p = lock_user_string(arg1)))
5886 ret = get_errno(lchown(p, arg2, arg3));
5887 unlock_user(p, arg1, 0);
5890 #ifdef TARGET_NR_getuid32
5891 case TARGET_NR_getuid32:
5892 ret = get_errno(getuid());
5896 #if defined(TARGET_NR_getxuid) && defined(TARGET_ALPHA)
5897 /* Alpha specific */
5898 case TARGET_NR_getxuid:
5902 ((CPUAlphaState *)cpu_env)->ir[IR_A4]=euid;
5904 ret = get_errno(getuid());
5907 #if defined(TARGET_NR_getxgid) && defined(TARGET_ALPHA)
5908 /* Alpha specific */
5909 case TARGET_NR_getxgid:
5913 ((CPUAlphaState *)cpu_env)->ir[IR_A4]=egid;
5915 ret = get_errno(getgid());
5919 #ifdef TARGET_NR_getgid32
5920 case TARGET_NR_getgid32:
5921 ret = get_errno(getgid());
5924 #ifdef TARGET_NR_geteuid32
5925 case TARGET_NR_geteuid32:
5926 ret = get_errno(geteuid());
5929 #ifdef TARGET_NR_getegid32
5930 case TARGET_NR_getegid32:
5931 ret = get_errno(getegid());
5934 #ifdef TARGET_NR_setreuid32
5935 case TARGET_NR_setreuid32:
5936 ret = get_errno(setreuid(arg1, arg2));
5939 #ifdef TARGET_NR_setregid32
5940 case TARGET_NR_setregid32:
5941 ret = get_errno(setregid(arg1, arg2));
5944 #ifdef TARGET_NR_getgroups32
5945 case TARGET_NR_getgroups32:
5947 int gidsetsize = arg1;
5948 uint32_t *target_grouplist;
5952 grouplist = alloca(gidsetsize * sizeof(gid_t));
5953 ret = get_errno(getgroups(gidsetsize, grouplist));
5954 if (gidsetsize == 0)
5956 if (!is_error(ret)) {
5957 target_grouplist = lock_user(VERIFY_WRITE, arg2, gidsetsize * 4, 0);
5958 if (!target_grouplist) {
5959 ret = -TARGET_EFAULT;
5962 for(i = 0;i < ret; i++)
5963 target_grouplist[i] = tswap32(grouplist[i]);
5964 unlock_user(target_grouplist, arg2, gidsetsize * 4);
5969 #ifdef TARGET_NR_setgroups32
5970 case TARGET_NR_setgroups32:
5972 int gidsetsize = arg1;
5973 uint32_t *target_grouplist;
5977 grouplist = alloca(gidsetsize * sizeof(gid_t));
5978 target_grouplist = lock_user(VERIFY_READ, arg2, gidsetsize * 4, 1);
5979 if (!target_grouplist) {
5980 ret = -TARGET_EFAULT;
5983 for(i = 0;i < gidsetsize; i++)
5984 grouplist[i] = tswap32(target_grouplist[i]);
5985 unlock_user(target_grouplist, arg2, 0);
5986 ret = get_errno(setgroups(gidsetsize, grouplist));
5990 #ifdef TARGET_NR_fchown32
5991 case TARGET_NR_fchown32:
5992 ret = get_errno(fchown(arg1, arg2, arg3));
5995 #ifdef TARGET_NR_setresuid32
5996 case TARGET_NR_setresuid32:
5997 ret = get_errno(setresuid(arg1, arg2, arg3));
6000 #ifdef TARGET_NR_getresuid32
6001 case TARGET_NR_getresuid32:
6003 uid_t ruid, euid, suid;
6004 ret = get_errno(getresuid(&ruid, &euid, &suid));
6005 if (!is_error(ret)) {
6006 if (put_user_u32(ruid, arg1)
6007 || put_user_u32(euid, arg2)
6008 || put_user_u32(suid, arg3))
6014 #ifdef TARGET_NR_setresgid32
6015 case TARGET_NR_setresgid32:
6016 ret = get_errno(setresgid(arg1, arg2, arg3));
6019 #ifdef TARGET_NR_getresgid32
6020 case TARGET_NR_getresgid32:
6022 gid_t rgid, egid, sgid;
6023 ret = get_errno(getresgid(&rgid, &egid, &sgid));
6024 if (!is_error(ret)) {
6025 if (put_user_u32(rgid, arg1)
6026 || put_user_u32(egid, arg2)
6027 || put_user_u32(sgid, arg3))
6033 #ifdef TARGET_NR_chown32
6034 case TARGET_NR_chown32:
6035 if (!(p = lock_user_string(arg1)))
6037 ret = get_errno(chown(p, arg2, arg3));
6038 unlock_user(p, arg1, 0);
6041 #ifdef TARGET_NR_setuid32
6042 case TARGET_NR_setuid32:
6043 ret = get_errno(setuid(arg1));
6046 #ifdef TARGET_NR_setgid32
6047 case TARGET_NR_setgid32:
6048 ret = get_errno(setgid(arg1));
6051 #ifdef TARGET_NR_setfsuid32
6052 case TARGET_NR_setfsuid32:
6053 ret = get_errno(setfsuid(arg1));
6056 #ifdef TARGET_NR_setfsgid32
6057 case TARGET_NR_setfsgid32:
6058 ret = get_errno(setfsgid(arg1));
6062 case TARGET_NR_pivot_root:
6064 #ifdef TARGET_NR_mincore
6065 case TARGET_NR_mincore:
6068 ret = -TARGET_EFAULT;
6069 if (!(a = lock_user(VERIFY_READ, arg1,arg2, 0)))
6071 if (!(p = lock_user_string(arg3)))
6073 ret = get_errno(mincore(a, arg2, p));
6074 unlock_user(p, arg3, ret);
6076 unlock_user(a, arg1, 0);
6080 #ifdef TARGET_NR_arm_fadvise64_64
6081 case TARGET_NR_arm_fadvise64_64:
6084 * arm_fadvise64_64 looks like fadvise64_64 but
6085 * with different argument order
6093 #if defined(TARGET_NR_fadvise64_64) || defined(TARGET_NR_arm_fadvise64_64)
6094 #ifdef TARGET_NR_fadvise64_64
6095 case TARGET_NR_fadvise64_64:
6097 /* This is a hint, so ignoring and returning success is ok. */
6101 #ifdef TARGET_NR_madvise
6102 case TARGET_NR_madvise:
6103 /* A straight passthrough may not be safe because qemu sometimes
6104 turns private flie-backed mappings into anonymous mappings.
6105 This will break MADV_DONTNEED.
6106 This is a hint, so ignoring and returning success is ok. */
6110 #if TARGET_ABI_BITS == 32
6111 case TARGET_NR_fcntl64:
6115 struct target_flock64 *target_fl;
6117 struct target_eabi_flock64 *target_efl;
6121 case TARGET_F_GETLK64:
6124 case TARGET_F_SETLK64:
6127 case TARGET_F_SETLKW64:
6136 case TARGET_F_GETLK64:
6138 if (((CPUARMState *)cpu_env)->eabi) {
6139 if (!lock_user_struct(VERIFY_READ, target_efl, arg3, 1))
6141 fl.l_type = tswap16(target_efl->l_type);
6142 fl.l_whence = tswap16(target_efl->l_whence);
6143 fl.l_start = tswap64(target_efl->l_start);
6144 fl.l_len = tswap64(target_efl->l_len);
6145 fl.l_pid = tswapl(target_efl->l_pid);
6146 unlock_user_struct(target_efl, arg3, 0);
6150 if (!lock_user_struct(VERIFY_READ, target_fl, arg3, 1))
6152 fl.l_type = tswap16(target_fl->l_type);
6153 fl.l_whence = tswap16(target_fl->l_whence);
6154 fl.l_start = tswap64(target_fl->l_start);
6155 fl.l_len = tswap64(target_fl->l_len);
6156 fl.l_pid = tswapl(target_fl->l_pid);
6157 unlock_user_struct(target_fl, arg3, 0);
6159 ret = get_errno(fcntl(arg1, cmd, &fl));
6162 if (((CPUARMState *)cpu_env)->eabi) {
6163 if (!lock_user_struct(VERIFY_WRITE, target_efl, arg3, 0))
6165 target_efl->l_type = tswap16(fl.l_type);
6166 target_efl->l_whence = tswap16(fl.l_whence);
6167 target_efl->l_start = tswap64(fl.l_start);
6168 target_efl->l_len = tswap64(fl.l_len);
6169 target_efl->l_pid = tswapl(fl.l_pid);
6170 unlock_user_struct(target_efl, arg3, 1);
6174 if (!lock_user_struct(VERIFY_WRITE, target_fl, arg3, 0))
6176 target_fl->l_type = tswap16(fl.l_type);
6177 target_fl->l_whence = tswap16(fl.l_whence);
6178 target_fl->l_start = tswap64(fl.l_start);
6179 target_fl->l_len = tswap64(fl.l_len);
6180 target_fl->l_pid = tswapl(fl.l_pid);
6181 unlock_user_struct(target_fl, arg3, 1);
6186 case TARGET_F_SETLK64:
6187 case TARGET_F_SETLKW64:
6189 if (((CPUARMState *)cpu_env)->eabi) {
6190 if (!lock_user_struct(VERIFY_READ, target_efl, arg3, 1))
6192 fl.l_type = tswap16(target_efl->l_type);
6193 fl.l_whence = tswap16(target_efl->l_whence);
6194 fl.l_start = tswap64(target_efl->l_start);
6195 fl.l_len = tswap64(target_efl->l_len);
6196 fl.l_pid = tswapl(target_efl->l_pid);
6197 unlock_user_struct(target_efl, arg3, 0);
6201 if (!lock_user_struct(VERIFY_READ, target_fl, arg3, 1))
6203 fl.l_type = tswap16(target_fl->l_type);
6204 fl.l_whence = tswap16(target_fl->l_whence);
6205 fl.l_start = tswap64(target_fl->l_start);
6206 fl.l_len = tswap64(target_fl->l_len);
6207 fl.l_pid = tswapl(target_fl->l_pid);
6208 unlock_user_struct(target_fl, arg3, 0);
6210 ret = get_errno(fcntl(arg1, cmd, &fl));
6213 ret = do_fcntl(arg1, cmd, arg3);
6219 #ifdef TARGET_NR_cacheflush
6220 case TARGET_NR_cacheflush:
6221 /* self-modifying code is handled automatically, so nothing needed */
6225 #ifdef TARGET_NR_security
6226 case TARGET_NR_security:
6229 #ifdef TARGET_NR_getpagesize
6230 case TARGET_NR_getpagesize:
6231 ret = TARGET_PAGE_SIZE;
6234 case TARGET_NR_gettid:
6235 ret = get_errno(gettid());
6237 #ifdef TARGET_NR_readahead
6238 case TARGET_NR_readahead:
6239 #if TARGET_ABI_BITS == 32
6241 if (((CPUARMState *)cpu_env)->eabi)
6248 ret = get_errno(readahead(arg1, ((off64_t)arg3 << 32) | arg2, arg4));
6250 ret = get_errno(readahead(arg1, arg2, arg3));
6254 #ifdef TARGET_NR_setxattr
6255 case TARGET_NR_setxattr:
6256 case TARGET_NR_lsetxattr:
6257 case TARGET_NR_fsetxattr:
6258 case TARGET_NR_getxattr:
6259 case TARGET_NR_lgetxattr:
6260 case TARGET_NR_fgetxattr:
6261 case TARGET_NR_listxattr:
6262 case TARGET_NR_llistxattr:
6263 case TARGET_NR_flistxattr:
6264 case TARGET_NR_removexattr:
6265 case TARGET_NR_lremovexattr:
6266 case TARGET_NR_fremovexattr:
6267 goto unimplemented_nowarn;
6269 #ifdef TARGET_NR_set_thread_area
6270 case TARGET_NR_set_thread_area:
6271 #if defined(TARGET_MIPS)
6272 ((CPUMIPSState *) cpu_env)->tls_value = arg1;
6275 #elif defined(TARGET_CRIS)
6277 ret = -TARGET_EINVAL;
6279 ((CPUCRISState *) cpu_env)->pregs[PR_PID] = arg1;
6283 #elif defined(TARGET_I386) && defined(TARGET_ABI32)
6284 ret = do_set_thread_area(cpu_env, arg1);
6287 goto unimplemented_nowarn;
6290 #ifdef TARGET_NR_get_thread_area
6291 case TARGET_NR_get_thread_area:
6292 #if defined(TARGET_I386) && defined(TARGET_ABI32)
6293 ret = do_get_thread_area(cpu_env, arg1);
6295 goto unimplemented_nowarn;
6298 #ifdef TARGET_NR_getdomainname
6299 case TARGET_NR_getdomainname:
6300 goto unimplemented_nowarn;
6303 #ifdef TARGET_NR_clock_gettime
6304 case TARGET_NR_clock_gettime:
6307 ret = get_errno(clock_gettime(arg1, &ts));
6308 if (!is_error(ret)) {
6309 host_to_target_timespec(arg2, &ts);
6314 #ifdef TARGET_NR_clock_getres
6315 case TARGET_NR_clock_getres:
6318 ret = get_errno(clock_getres(arg1, &ts));
6319 if (!is_error(ret)) {
6320 host_to_target_timespec(arg2, &ts);
6325 #ifdef TARGET_NR_clock_nanosleep
6326 case TARGET_NR_clock_nanosleep:
6329 target_to_host_timespec(&ts, arg3);
6330 ret = get_errno(clock_nanosleep(arg1, arg2, &ts, arg4 ? &ts : NULL));
6332 host_to_target_timespec(arg4, &ts);
6337 #if defined(TARGET_NR_set_tid_address) && defined(__NR_set_tid_address)
6338 case TARGET_NR_set_tid_address:
6339 ret = get_errno(set_tid_address((int *)g2h(arg1)));
6343 #if defined(TARGET_NR_tkill) && defined(__NR_tkill)
6344 case TARGET_NR_tkill:
6345 ret = get_errno(sys_tkill((int)arg1, target_to_host_signal(arg2)));
6349 #if defined(TARGET_NR_tgkill) && defined(__NR_tgkill)
6350 case TARGET_NR_tgkill:
6351 ret = get_errno(sys_tgkill((int)arg1, (int)arg2,
6352 target_to_host_signal(arg3)));
6356 #ifdef TARGET_NR_set_robust_list
6357 case TARGET_NR_set_robust_list:
6358 goto unimplemented_nowarn;
6361 #if defined(TARGET_NR_utimensat) && defined(__NR_utimensat)
6362 case TARGET_NR_utimensat:
6364 struct timespec ts[2];
6365 target_to_host_timespec(ts, arg3);
6366 target_to_host_timespec(ts+1, arg3+sizeof(struct target_timespec));
6368 ret = get_errno(sys_utimensat(arg1, NULL, ts, arg4));
6370 if (!(p = lock_user_string(arg2))) {
6371 ret = -TARGET_EFAULT;
6374 ret = get_errno(sys_utimensat(arg1, path(p), ts, arg4));
6375 unlock_user(p, arg2, 0);
6380 #if defined(USE_NPTL)
6381 case TARGET_NR_futex:
6382 ret = do_futex(arg1, arg2, arg3, arg4, arg5, arg6);
6385 #if defined(TARGET_NR_inotify_init) && defined(__NR_inotify_init)
6386 case TARGET_NR_inotify_init:
6387 ret = get_errno(sys_inotify_init());
6390 #if defined(TARGET_NR_inotify_add_watch) && defined(__NR_inotify_add_watch)
6391 case TARGET_NR_inotify_add_watch:
6392 p = lock_user_string(arg2);
6393 ret = get_errno(sys_inotify_add_watch(arg1, path(p), arg3));
6394 unlock_user(p, arg2, 0);
6397 #if defined(TARGET_NR_inotify_rm_watch) && defined(__NR_inotify_rm_watch)
6398 case TARGET_NR_inotify_rm_watch:
6399 ret = get_errno(sys_inotify_rm_watch(arg1, arg2));
6403 #ifdef TARGET_NR_mq_open
6404 case TARGET_NR_mq_open:
6406 struct mq_attr posix_mq_attr;
6408 p = lock_user_string(arg1 - 1);
6410 copy_from_user_mq_attr (&posix_mq_attr, arg4);
6411 ret = get_errno(mq_open(p, arg2, arg3, &posix_mq_attr));
6412 unlock_user (p, arg1, 0);
6416 case TARGET_NR_mq_unlink:
6417 p = lock_user_string(arg1 - 1);
6418 ret = get_errno(mq_unlink(p));
6419 unlock_user (p, arg1, 0);
6422 case TARGET_NR_mq_timedsend:
6426 p = lock_user (VERIFY_READ, arg2, arg3, 1);
6428 target_to_host_timespec(&ts, arg5);
6429 ret = get_errno(mq_timedsend(arg1, p, arg3, arg4, &ts));
6430 host_to_target_timespec(arg5, &ts);
6433 ret = get_errno(mq_send(arg1, p, arg3, arg4));
6434 unlock_user (p, arg2, arg3);
6438 case TARGET_NR_mq_timedreceive:
6443 p = lock_user (VERIFY_READ, arg2, arg3, 1);
6445 target_to_host_timespec(&ts, arg5);
6446 ret = get_errno(mq_timedreceive(arg1, p, arg3, &prio, &ts));
6447 host_to_target_timespec(arg5, &ts);
6450 ret = get_errno(mq_receive(arg1, p, arg3, &prio));
6451 unlock_user (p, arg2, arg3);
6453 put_user_u32(prio, arg4);
6457 /* Not implemented for now... */
6458 /* case TARGET_NR_mq_notify: */
6461 case TARGET_NR_mq_getsetattr:
6463 struct mq_attr posix_mq_attr_in, posix_mq_attr_out;
6466 ret = mq_getattr(arg1, &posix_mq_attr_out);
6467 copy_to_user_mq_attr(arg3, &posix_mq_attr_out);
6470 copy_from_user_mq_attr(&posix_mq_attr_in, arg2);
6471 ret |= mq_setattr(arg1, &posix_mq_attr_in, &posix_mq_attr_out);
6480 gemu_log("qemu: Unsupported syscall: %d\n", num);
6481 #if defined(TARGET_NR_setxattr) || defined(TARGET_NR_get_thread_area) || defined(TARGET_NR_getdomainname) || defined(TARGET_NR_set_robust_list)
6482 unimplemented_nowarn:
6484 ret = -TARGET_ENOSYS;
6489 gemu_log(" = %ld\n", ret);
6492 print_syscall_ret(num, ret);
6495 ret = -TARGET_EFAULT;