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, see <http://www.gnu.org/licenses/>.
19 #define _ATFILE_SOURCE
32 #include <sys/types.h>
38 #include <sys/mount.h>
40 #include <sys/fsuid.h>
41 #include <sys/personality.h>
42 #include <sys/prctl.h>
43 #include <sys/resource.h>
49 int __clone2(int (*fn
)(void *), void *child_stack_base
,
50 size_t stack_size
, int flags
, void *arg
, ...);
52 #include <sys/socket.h>
56 #include <sys/times.h>
59 #include <sys/statfs.h>
61 #include <sys/sysinfo.h>
62 #include <sys/utsname.h>
63 //#include <sys/user.h>
64 #include <netinet/ip.h>
65 #include <netinet/tcp.h>
66 #include <linux/wireless.h>
67 #include <linux/icmp.h>
68 #include "qemu-common.h"
73 #include <sys/eventfd.h>
76 #include <sys/epoll.h>
79 #include "qemu/xattr.h"
82 #define termios host_termios
83 #define winsize host_winsize
84 #define termio host_termio
85 #define sgttyb host_sgttyb /* same as target */
86 #define tchars host_tchars /* same as target */
87 #define ltchars host_ltchars /* same as target */
89 #include <linux/termios.h>
90 #include <linux/unistd.h>
91 #include <linux/utsname.h>
92 #include <linux/cdrom.h>
93 #include <linux/hdreg.h>
94 #include <linux/soundcard.h>
96 #include <linux/mtio.h>
98 #if defined(CONFIG_FIEMAP)
99 #include <linux/fiemap.h>
101 #include <linux/fb.h>
102 #include <linux/vt.h>
103 #include <linux/dm-ioctl.h>
104 #include <linux/reboot.h>
105 #include "linux_loop.h"
106 #include "cpu-uname.h"
110 #if defined(CONFIG_USE_NPTL)
111 #define CLONE_NPTL_FLAGS2 (CLONE_SETTLS | \
112 CLONE_PARENT_SETTID | CLONE_CHILD_SETTID | CLONE_CHILD_CLEARTID)
114 /* XXX: Hardcode the above values. */
115 #define CLONE_NPTL_FLAGS2 0
120 //#include <linux/msdos_fs.h>
121 #define VFAT_IOCTL_READDIR_BOTH _IOR('r', 1, struct linux_dirent [2])
122 #define VFAT_IOCTL_READDIR_SHORT _IOR('r', 2, struct linux_dirent [2])
133 #define _syscall0(type,name) \
134 static type name (void) \
136 return syscall(__NR_##name); \
139 #define _syscall1(type,name,type1,arg1) \
140 static type name (type1 arg1) \
142 return syscall(__NR_##name, arg1); \
145 #define _syscall2(type,name,type1,arg1,type2,arg2) \
146 static type name (type1 arg1,type2 arg2) \
148 return syscall(__NR_##name, arg1, arg2); \
151 #define _syscall3(type,name,type1,arg1,type2,arg2,type3,arg3) \
152 static type name (type1 arg1,type2 arg2,type3 arg3) \
154 return syscall(__NR_##name, arg1, arg2, arg3); \
157 #define _syscall4(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4) \
158 static type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4) \
160 return syscall(__NR_##name, arg1, arg2, arg3, arg4); \
163 #define _syscall5(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4, \
165 static type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4,type5 arg5) \
167 return syscall(__NR_##name, arg1, arg2, arg3, arg4, arg5); \
171 #define _syscall6(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4, \
172 type5,arg5,type6,arg6) \
173 static type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4,type5 arg5, \
176 return syscall(__NR_##name, arg1, arg2, arg3, arg4, arg5, arg6); \
180 #define __NR_sys_uname __NR_uname
181 #define __NR_sys_faccessat __NR_faccessat
182 #define __NR_sys_fchmodat __NR_fchmodat
183 #define __NR_sys_fchownat __NR_fchownat
184 #define __NR_sys_fstatat64 __NR_fstatat64
185 #define __NR_sys_futimesat __NR_futimesat
186 #define __NR_sys_getcwd1 __NR_getcwd
187 #define __NR_sys_getdents __NR_getdents
188 #define __NR_sys_getdents64 __NR_getdents64
189 #define __NR_sys_getpriority __NR_getpriority
190 #define __NR_sys_linkat __NR_linkat
191 #define __NR_sys_mkdirat __NR_mkdirat
192 #define __NR_sys_mknodat __NR_mknodat
193 #define __NR_sys_newfstatat __NR_newfstatat
194 #define __NR_sys_openat __NR_openat
195 #define __NR_sys_readlinkat __NR_readlinkat
196 #define __NR_sys_renameat __NR_renameat
197 #define __NR_sys_rt_sigqueueinfo __NR_rt_sigqueueinfo
198 #define __NR_sys_symlinkat __NR_symlinkat
199 #define __NR_sys_syslog __NR_syslog
200 #define __NR_sys_tgkill __NR_tgkill
201 #define __NR_sys_tkill __NR_tkill
202 #define __NR_sys_unlinkat __NR_unlinkat
203 #define __NR_sys_utimensat __NR_utimensat
204 #define __NR_sys_futex __NR_futex
205 #define __NR_sys_inotify_init __NR_inotify_init
206 #define __NR_sys_inotify_add_watch __NR_inotify_add_watch
207 #define __NR_sys_inotify_rm_watch __NR_inotify_rm_watch
209 #if defined(__alpha__) || defined (__ia64__) || defined(__x86_64__) || \
211 #define __NR__llseek __NR_lseek
215 _syscall0(int, gettid
)
217 /* This is a replacement for the host gettid() and must return a host
219 static int gettid(void) {
223 _syscall3(int, sys_getdents
, uint
, fd
, struct linux_dirent
*, dirp
, uint
, count
);
224 #if defined(TARGET_NR_getdents64) && defined(__NR_getdents64)
225 _syscall3(int, sys_getdents64
, uint
, fd
, struct linux_dirent64
*, dirp
, uint
, count
);
227 #if defined(TARGET_NR__llseek) && defined(__NR_llseek)
228 _syscall5(int, _llseek
, uint
, fd
, ulong
, hi
, ulong
, lo
,
229 loff_t
*, res
, uint
, wh
);
231 _syscall3(int,sys_rt_sigqueueinfo
,int,pid
,int,sig
,siginfo_t
*,uinfo
)
232 _syscall3(int,sys_syslog
,int,type
,char*,bufp
,int,len
)
233 #if defined(TARGET_NR_tgkill) && defined(__NR_tgkill)
234 _syscall3(int,sys_tgkill
,int,tgid
,int,pid
,int,sig
)
236 #if defined(TARGET_NR_tkill) && defined(__NR_tkill)
237 _syscall2(int,sys_tkill
,int,tid
,int,sig
)
239 #ifdef __NR_exit_group
240 _syscall1(int,exit_group
,int,error_code
)
242 #if defined(TARGET_NR_set_tid_address) && defined(__NR_set_tid_address)
243 _syscall1(int,set_tid_address
,int *,tidptr
)
245 #if defined(CONFIG_USE_NPTL)
246 #if defined(TARGET_NR_futex) && defined(__NR_futex)
247 _syscall6(int,sys_futex
,int *,uaddr
,int,op
,int,val
,
248 const struct timespec
*,timeout
,int *,uaddr2
,int,val3
)
251 #define __NR_sys_sched_getaffinity __NR_sched_getaffinity
252 _syscall3(int, sys_sched_getaffinity
, pid_t
, pid
, unsigned int, len
,
253 unsigned long *, user_mask_ptr
);
254 #define __NR_sys_sched_setaffinity __NR_sched_setaffinity
255 _syscall3(int, sys_sched_setaffinity
, pid_t
, pid
, unsigned int, len
,
256 unsigned long *, user_mask_ptr
);
257 _syscall4(int, reboot
, int, magic1
, int, magic2
, unsigned int, cmd
,
260 static bitmask_transtbl fcntl_flags_tbl
[] = {
261 { TARGET_O_ACCMODE
, TARGET_O_WRONLY
, O_ACCMODE
, O_WRONLY
, },
262 { TARGET_O_ACCMODE
, TARGET_O_RDWR
, O_ACCMODE
, O_RDWR
, },
263 { TARGET_O_CREAT
, TARGET_O_CREAT
, O_CREAT
, O_CREAT
, },
264 { TARGET_O_EXCL
, TARGET_O_EXCL
, O_EXCL
, O_EXCL
, },
265 { TARGET_O_NOCTTY
, TARGET_O_NOCTTY
, O_NOCTTY
, O_NOCTTY
, },
266 { TARGET_O_TRUNC
, TARGET_O_TRUNC
, O_TRUNC
, O_TRUNC
, },
267 { TARGET_O_APPEND
, TARGET_O_APPEND
, O_APPEND
, O_APPEND
, },
268 { TARGET_O_NONBLOCK
, TARGET_O_NONBLOCK
, O_NONBLOCK
, O_NONBLOCK
, },
269 { TARGET_O_SYNC
, TARGET_O_DSYNC
, O_SYNC
, O_DSYNC
, },
270 { TARGET_O_SYNC
, TARGET_O_SYNC
, O_SYNC
, O_SYNC
, },
271 { TARGET_FASYNC
, TARGET_FASYNC
, FASYNC
, FASYNC
, },
272 { TARGET_O_DIRECTORY
, TARGET_O_DIRECTORY
, O_DIRECTORY
, O_DIRECTORY
, },
273 { TARGET_O_NOFOLLOW
, TARGET_O_NOFOLLOW
, O_NOFOLLOW
, O_NOFOLLOW
, },
274 #if defined(O_DIRECT)
275 { TARGET_O_DIRECT
, TARGET_O_DIRECT
, O_DIRECT
, O_DIRECT
, },
277 #if defined(O_NOATIME)
278 { TARGET_O_NOATIME
, TARGET_O_NOATIME
, O_NOATIME
, O_NOATIME
},
280 #if defined(O_CLOEXEC)
281 { TARGET_O_CLOEXEC
, TARGET_O_CLOEXEC
, O_CLOEXEC
, O_CLOEXEC
},
284 { TARGET_O_PATH
, TARGET_O_PATH
, O_PATH
, O_PATH
},
286 /* Don't terminate the list prematurely on 64-bit host+guest. */
287 #if TARGET_O_LARGEFILE != 0 || O_LARGEFILE != 0
288 { TARGET_O_LARGEFILE
, TARGET_O_LARGEFILE
, O_LARGEFILE
, O_LARGEFILE
, },
293 #define COPY_UTSNAME_FIELD(dest, src) \
295 /* __NEW_UTS_LEN doesn't include terminating null */ \
296 (void) strncpy((dest), (src), __NEW_UTS_LEN); \
297 (dest)[__NEW_UTS_LEN] = '\0'; \
300 static int sys_uname(struct new_utsname
*buf
)
302 struct utsname uts_buf
;
304 if (uname(&uts_buf
) < 0)
308 * Just in case these have some differences, we
309 * translate utsname to new_utsname (which is the
310 * struct linux kernel uses).
313 memset(buf
, 0, sizeof(*buf
));
314 COPY_UTSNAME_FIELD(buf
->sysname
, uts_buf
.sysname
);
315 COPY_UTSNAME_FIELD(buf
->nodename
, uts_buf
.nodename
);
316 COPY_UTSNAME_FIELD(buf
->release
, uts_buf
.release
);
317 COPY_UTSNAME_FIELD(buf
->version
, uts_buf
.version
);
318 COPY_UTSNAME_FIELD(buf
->machine
, uts_buf
.machine
);
320 COPY_UTSNAME_FIELD(buf
->domainname
, uts_buf
.domainname
);
324 #undef COPY_UTSNAME_FIELD
327 static int sys_getcwd1(char *buf
, size_t size
)
329 if (getcwd(buf
, size
) == NULL
) {
330 /* getcwd() sets errno */
333 return strlen(buf
)+1;
338 * Host system seems to have atfile syscall stubs available. We
339 * now enable them one by one as specified by target syscall_nr.h.
342 #ifdef TARGET_NR_faccessat
343 static int sys_faccessat(int dirfd
, const char *pathname
, int mode
)
345 return (faccessat(dirfd
, pathname
, mode
, 0));
348 #ifdef TARGET_NR_fchmodat
349 static int sys_fchmodat(int dirfd
, const char *pathname
, mode_t mode
)
351 return (fchmodat(dirfd
, pathname
, mode
, 0));
354 #if defined(TARGET_NR_fchownat)
355 static int sys_fchownat(int dirfd
, const char *pathname
, uid_t owner
,
356 gid_t group
, int flags
)
358 return (fchownat(dirfd
, pathname
, owner
, group
, flags
));
361 #ifdef __NR_fstatat64
362 static int sys_fstatat64(int dirfd
, const char *pathname
, struct stat
*buf
,
365 return (fstatat(dirfd
, pathname
, buf
, flags
));
368 #ifdef __NR_newfstatat
369 static int sys_newfstatat(int dirfd
, const char *pathname
, struct stat
*buf
,
372 return (fstatat(dirfd
, pathname
, buf
, flags
));
375 #ifdef TARGET_NR_futimesat
376 static int sys_futimesat(int dirfd
, const char *pathname
,
377 const struct timeval times
[2])
379 return (futimesat(dirfd
, pathname
, times
));
382 #ifdef TARGET_NR_linkat
383 static int sys_linkat(int olddirfd
, const char *oldpath
,
384 int newdirfd
, const char *newpath
, int flags
)
386 return (linkat(olddirfd
, oldpath
, newdirfd
, newpath
, flags
));
389 #ifdef TARGET_NR_mkdirat
390 static int sys_mkdirat(int dirfd
, const char *pathname
, mode_t mode
)
392 return (mkdirat(dirfd
, pathname
, mode
));
395 #ifdef TARGET_NR_mknodat
396 static int sys_mknodat(int dirfd
, const char *pathname
, mode_t mode
,
399 return (mknodat(dirfd
, pathname
, mode
, dev
));
402 #ifdef TARGET_NR_openat
403 static int sys_openat(int dirfd
, const char *pathname
, int flags
, mode_t mode
)
406 * open(2) has extra parameter 'mode' when called with
409 if ((flags
& O_CREAT
) != 0) {
410 return (openat(dirfd
, pathname
, flags
, mode
));
412 return (openat(dirfd
, pathname
, flags
));
415 #ifdef TARGET_NR_readlinkat
416 static int sys_readlinkat(int dirfd
, const char *pathname
, char *buf
, size_t bufsiz
)
418 return (readlinkat(dirfd
, pathname
, buf
, bufsiz
));
421 #ifdef TARGET_NR_renameat
422 static int sys_renameat(int olddirfd
, const char *oldpath
,
423 int newdirfd
, const char *newpath
)
425 return (renameat(olddirfd
, oldpath
, newdirfd
, newpath
));
428 #ifdef TARGET_NR_symlinkat
429 static int sys_symlinkat(const char *oldpath
, int newdirfd
, const char *newpath
)
431 return (symlinkat(oldpath
, newdirfd
, newpath
));
434 #ifdef TARGET_NR_unlinkat
435 static int sys_unlinkat(int dirfd
, const char *pathname
, int flags
)
437 return (unlinkat(dirfd
, pathname
, flags
));
440 #else /* !CONFIG_ATFILE */
443 * Try direct syscalls instead
445 #if defined(TARGET_NR_faccessat) && defined(__NR_faccessat)
446 _syscall3(int,sys_faccessat
,int,dirfd
,const char *,pathname
,int,mode
)
448 #if defined(TARGET_NR_fchmodat) && defined(__NR_fchmodat)
449 _syscall3(int,sys_fchmodat
,int,dirfd
,const char *,pathname
, mode_t
,mode
)
451 #if defined(TARGET_NR_fchownat) && defined(__NR_fchownat)
452 _syscall5(int,sys_fchownat
,int,dirfd
,const char *,pathname
,
453 uid_t
,owner
,gid_t
,group
,int,flags
)
455 #if (defined(TARGET_NR_fstatat64) || defined(TARGET_NR_newfstatat)) && \
456 defined(__NR_fstatat64)
457 _syscall4(int,sys_fstatat64
,int,dirfd
,const char *,pathname
,
458 struct stat
*,buf
,int,flags
)
460 #if defined(TARGET_NR_futimesat) && defined(__NR_futimesat)
461 _syscall3(int,sys_futimesat
,int,dirfd
,const char *,pathname
,
462 const struct timeval
*,times
)
464 #if (defined(TARGET_NR_newfstatat) || defined(TARGET_NR_fstatat64) ) && \
465 defined(__NR_newfstatat)
466 _syscall4(int,sys_newfstatat
,int,dirfd
,const char *,pathname
,
467 struct stat
*,buf
,int,flags
)
469 #if defined(TARGET_NR_linkat) && defined(__NR_linkat)
470 _syscall5(int,sys_linkat
,int,olddirfd
,const char *,oldpath
,
471 int,newdirfd
,const char *,newpath
,int,flags
)
473 #if defined(TARGET_NR_mkdirat) && defined(__NR_mkdirat)
474 _syscall3(int,sys_mkdirat
,int,dirfd
,const char *,pathname
,mode_t
,mode
)
476 #if defined(TARGET_NR_mknodat) && defined(__NR_mknodat)
477 _syscall4(int,sys_mknodat
,int,dirfd
,const char *,pathname
,
478 mode_t
,mode
,dev_t
,dev
)
480 #if defined(TARGET_NR_openat) && defined(__NR_openat)
481 _syscall4(int,sys_openat
,int,dirfd
,const char *,pathname
,int,flags
,mode_t
,mode
)
483 #if defined(TARGET_NR_readlinkat) && defined(__NR_readlinkat)
484 _syscall4(int,sys_readlinkat
,int,dirfd
,const char *,pathname
,
485 char *,buf
,size_t,bufsize
)
487 #if defined(TARGET_NR_renameat) && defined(__NR_renameat)
488 _syscall4(int,sys_renameat
,int,olddirfd
,const char *,oldpath
,
489 int,newdirfd
,const char *,newpath
)
491 #if defined(TARGET_NR_symlinkat) && defined(__NR_symlinkat)
492 _syscall3(int,sys_symlinkat
,const char *,oldpath
,
493 int,newdirfd
,const char *,newpath
)
495 #if defined(TARGET_NR_unlinkat) && defined(__NR_unlinkat)
496 _syscall3(int,sys_unlinkat
,int,dirfd
,const char *,pathname
,int,flags
)
499 #endif /* CONFIG_ATFILE */
501 #ifdef CONFIG_UTIMENSAT
502 static int sys_utimensat(int dirfd
, const char *pathname
,
503 const struct timespec times
[2], int flags
)
505 if (pathname
== NULL
)
506 return futimens(dirfd
, times
);
508 return utimensat(dirfd
, pathname
, times
, flags
);
511 #if defined(TARGET_NR_utimensat) && defined(__NR_utimensat)
512 _syscall4(int,sys_utimensat
,int,dirfd
,const char *,pathname
,
513 const struct timespec
*,tsp
,int,flags
)
515 #endif /* CONFIG_UTIMENSAT */
517 #ifdef CONFIG_INOTIFY
518 #include <sys/inotify.h>
520 #if defined(TARGET_NR_inotify_init) && defined(__NR_inotify_init)
521 static int sys_inotify_init(void)
523 return (inotify_init());
526 #if defined(TARGET_NR_inotify_add_watch) && defined(__NR_inotify_add_watch)
527 static int sys_inotify_add_watch(int fd
,const char *pathname
, int32_t mask
)
529 return (inotify_add_watch(fd
, pathname
, mask
));
532 #if defined(TARGET_NR_inotify_rm_watch) && defined(__NR_inotify_rm_watch)
533 static int sys_inotify_rm_watch(int fd
, int32_t wd
)
535 return (inotify_rm_watch(fd
, wd
));
538 #ifdef CONFIG_INOTIFY1
539 #if defined(TARGET_NR_inotify_init1) && defined(__NR_inotify_init1)
540 static int sys_inotify_init1(int flags
)
542 return (inotify_init1(flags
));
547 /* Userspace can usually survive runtime without inotify */
548 #undef TARGET_NR_inotify_init
549 #undef TARGET_NR_inotify_init1
550 #undef TARGET_NR_inotify_add_watch
551 #undef TARGET_NR_inotify_rm_watch
552 #endif /* CONFIG_INOTIFY */
554 #if defined(TARGET_NR_ppoll)
556 # define __NR_ppoll -1
558 #define __NR_sys_ppoll __NR_ppoll
559 _syscall5(int, sys_ppoll
, struct pollfd
*, fds
, nfds_t
, nfds
,
560 struct timespec
*, timeout
, const __sigset_t
*, sigmask
,
564 #if defined(TARGET_NR_pselect6)
565 #ifndef __NR_pselect6
566 # define __NR_pselect6 -1
568 #define __NR_sys_pselect6 __NR_pselect6
569 _syscall6(int, sys_pselect6
, int, nfds
, fd_set
*, readfds
, fd_set
*, writefds
,
570 fd_set
*, exceptfds
, struct timespec
*, timeout
, void *, sig
);
573 #if defined(TARGET_NR_prlimit64)
574 #ifndef __NR_prlimit64
575 # define __NR_prlimit64 -1
577 #define __NR_sys_prlimit64 __NR_prlimit64
578 /* The glibc rlimit structure may not be that used by the underlying syscall */
579 struct host_rlimit64
{
583 _syscall4(int, sys_prlimit64
, pid_t
, pid
, int, resource
,
584 const struct host_rlimit64
*, new_limit
,
585 struct host_rlimit64
*, old_limit
)
588 /* ARM EABI and MIPS expect 64bit types aligned even on pairs or registers */
590 static inline int regpairs_aligned(void *cpu_env
) {
591 return ((((CPUARMState
*)cpu_env
)->eabi
) == 1) ;
593 #elif defined(TARGET_MIPS)
594 static inline int regpairs_aligned(void *cpu_env
) { return 1; }
595 #elif defined(TARGET_PPC) && !defined(TARGET_PPC64)
596 /* SysV AVI for PPC32 expects 64bit parameters to be passed on odd/even pairs
597 * of registers which translates to the same as ARM/MIPS, because we start with
599 static inline int regpairs_aligned(void *cpu_env
) { return 1; }
601 static inline int regpairs_aligned(void *cpu_env
) { return 0; }
604 #define ERRNO_TABLE_SIZE 1200
606 /* target_to_host_errno_table[] is initialized from
607 * host_to_target_errno_table[] in syscall_init(). */
608 static uint16_t target_to_host_errno_table
[ERRNO_TABLE_SIZE
] = {
612 * This list is the union of errno values overridden in asm-<arch>/errno.h
613 * minus the errnos that are not actually generic to all archs.
615 static uint16_t host_to_target_errno_table
[ERRNO_TABLE_SIZE
] = {
616 [EIDRM
] = TARGET_EIDRM
,
617 [ECHRNG
] = TARGET_ECHRNG
,
618 [EL2NSYNC
] = TARGET_EL2NSYNC
,
619 [EL3HLT
] = TARGET_EL3HLT
,
620 [EL3RST
] = TARGET_EL3RST
,
621 [ELNRNG
] = TARGET_ELNRNG
,
622 [EUNATCH
] = TARGET_EUNATCH
,
623 [ENOCSI
] = TARGET_ENOCSI
,
624 [EL2HLT
] = TARGET_EL2HLT
,
625 [EDEADLK
] = TARGET_EDEADLK
,
626 [ENOLCK
] = TARGET_ENOLCK
,
627 [EBADE
] = TARGET_EBADE
,
628 [EBADR
] = TARGET_EBADR
,
629 [EXFULL
] = TARGET_EXFULL
,
630 [ENOANO
] = TARGET_ENOANO
,
631 [EBADRQC
] = TARGET_EBADRQC
,
632 [EBADSLT
] = TARGET_EBADSLT
,
633 [EBFONT
] = TARGET_EBFONT
,
634 [ENOSTR
] = TARGET_ENOSTR
,
635 [ENODATA
] = TARGET_ENODATA
,
636 [ETIME
] = TARGET_ETIME
,
637 [ENOSR
] = TARGET_ENOSR
,
638 [ENONET
] = TARGET_ENONET
,
639 [ENOPKG
] = TARGET_ENOPKG
,
640 [EREMOTE
] = TARGET_EREMOTE
,
641 [ENOLINK
] = TARGET_ENOLINK
,
642 [EADV
] = TARGET_EADV
,
643 [ESRMNT
] = TARGET_ESRMNT
,
644 [ECOMM
] = TARGET_ECOMM
,
645 [EPROTO
] = TARGET_EPROTO
,
646 [EDOTDOT
] = TARGET_EDOTDOT
,
647 [EMULTIHOP
] = TARGET_EMULTIHOP
,
648 [EBADMSG
] = TARGET_EBADMSG
,
649 [ENAMETOOLONG
] = TARGET_ENAMETOOLONG
,
650 [EOVERFLOW
] = TARGET_EOVERFLOW
,
651 [ENOTUNIQ
] = TARGET_ENOTUNIQ
,
652 [EBADFD
] = TARGET_EBADFD
,
653 [EREMCHG
] = TARGET_EREMCHG
,
654 [ELIBACC
] = TARGET_ELIBACC
,
655 [ELIBBAD
] = TARGET_ELIBBAD
,
656 [ELIBSCN
] = TARGET_ELIBSCN
,
657 [ELIBMAX
] = TARGET_ELIBMAX
,
658 [ELIBEXEC
] = TARGET_ELIBEXEC
,
659 [EILSEQ
] = TARGET_EILSEQ
,
660 [ENOSYS
] = TARGET_ENOSYS
,
661 [ELOOP
] = TARGET_ELOOP
,
662 [ERESTART
] = TARGET_ERESTART
,
663 [ESTRPIPE
] = TARGET_ESTRPIPE
,
664 [ENOTEMPTY
] = TARGET_ENOTEMPTY
,
665 [EUSERS
] = TARGET_EUSERS
,
666 [ENOTSOCK
] = TARGET_ENOTSOCK
,
667 [EDESTADDRREQ
] = TARGET_EDESTADDRREQ
,
668 [EMSGSIZE
] = TARGET_EMSGSIZE
,
669 [EPROTOTYPE
] = TARGET_EPROTOTYPE
,
670 [ENOPROTOOPT
] = TARGET_ENOPROTOOPT
,
671 [EPROTONOSUPPORT
] = TARGET_EPROTONOSUPPORT
,
672 [ESOCKTNOSUPPORT
] = TARGET_ESOCKTNOSUPPORT
,
673 [EOPNOTSUPP
] = TARGET_EOPNOTSUPP
,
674 [EPFNOSUPPORT
] = TARGET_EPFNOSUPPORT
,
675 [EAFNOSUPPORT
] = TARGET_EAFNOSUPPORT
,
676 [EADDRINUSE
] = TARGET_EADDRINUSE
,
677 [EADDRNOTAVAIL
] = TARGET_EADDRNOTAVAIL
,
678 [ENETDOWN
] = TARGET_ENETDOWN
,
679 [ENETUNREACH
] = TARGET_ENETUNREACH
,
680 [ENETRESET
] = TARGET_ENETRESET
,
681 [ECONNABORTED
] = TARGET_ECONNABORTED
,
682 [ECONNRESET
] = TARGET_ECONNRESET
,
683 [ENOBUFS
] = TARGET_ENOBUFS
,
684 [EISCONN
] = TARGET_EISCONN
,
685 [ENOTCONN
] = TARGET_ENOTCONN
,
686 [EUCLEAN
] = TARGET_EUCLEAN
,
687 [ENOTNAM
] = TARGET_ENOTNAM
,
688 [ENAVAIL
] = TARGET_ENAVAIL
,
689 [EISNAM
] = TARGET_EISNAM
,
690 [EREMOTEIO
] = TARGET_EREMOTEIO
,
691 [ESHUTDOWN
] = TARGET_ESHUTDOWN
,
692 [ETOOMANYREFS
] = TARGET_ETOOMANYREFS
,
693 [ETIMEDOUT
] = TARGET_ETIMEDOUT
,
694 [ECONNREFUSED
] = TARGET_ECONNREFUSED
,
695 [EHOSTDOWN
] = TARGET_EHOSTDOWN
,
696 [EHOSTUNREACH
] = TARGET_EHOSTUNREACH
,
697 [EALREADY
] = TARGET_EALREADY
,
698 [EINPROGRESS
] = TARGET_EINPROGRESS
,
699 [ESTALE
] = TARGET_ESTALE
,
700 [ECANCELED
] = TARGET_ECANCELED
,
701 [ENOMEDIUM
] = TARGET_ENOMEDIUM
,
702 [EMEDIUMTYPE
] = TARGET_EMEDIUMTYPE
,
704 [ENOKEY
] = TARGET_ENOKEY
,
707 [EKEYEXPIRED
] = TARGET_EKEYEXPIRED
,
710 [EKEYREVOKED
] = TARGET_EKEYREVOKED
,
713 [EKEYREJECTED
] = TARGET_EKEYREJECTED
,
716 [EOWNERDEAD
] = TARGET_EOWNERDEAD
,
718 #ifdef ENOTRECOVERABLE
719 [ENOTRECOVERABLE
] = TARGET_ENOTRECOVERABLE
,
723 static inline int host_to_target_errno(int err
)
725 if(host_to_target_errno_table
[err
])
726 return host_to_target_errno_table
[err
];
730 static inline int target_to_host_errno(int err
)
732 if (target_to_host_errno_table
[err
])
733 return target_to_host_errno_table
[err
];
737 static inline abi_long
get_errno(abi_long ret
)
740 return -host_to_target_errno(errno
);
745 static inline int is_error(abi_long ret
)
747 return (abi_ulong
)ret
>= (abi_ulong
)(-4096);
750 char *target_strerror(int err
)
752 if ((err
>= ERRNO_TABLE_SIZE
) || (err
< 0)) {
755 return strerror(target_to_host_errno(err
));
758 static abi_ulong target_brk
;
759 static abi_ulong target_original_brk
;
760 static abi_ulong brk_page
;
762 void target_set_brk(abi_ulong new_brk
)
764 target_original_brk
= target_brk
= HOST_PAGE_ALIGN(new_brk
);
765 brk_page
= HOST_PAGE_ALIGN(target_brk
);
768 //#define DEBUGF_BRK(message, args...) do { fprintf(stderr, (message), ## args); } while (0)
769 #define DEBUGF_BRK(message, args...)
771 /* do_brk() must return target values and target errnos. */
772 abi_long
do_brk(abi_ulong new_brk
)
774 abi_long mapped_addr
;
777 DEBUGF_BRK("do_brk(" TARGET_ABI_FMT_lx
") -> ", new_brk
);
780 DEBUGF_BRK(TARGET_ABI_FMT_lx
" (!new_brk)\n", target_brk
);
783 if (new_brk
< target_original_brk
) {
784 DEBUGF_BRK(TARGET_ABI_FMT_lx
" (new_brk < target_original_brk)\n",
789 /* If the new brk is less than the highest page reserved to the
790 * target heap allocation, set it and we're almost done... */
791 if (new_brk
<= brk_page
) {
792 /* Heap contents are initialized to zero, as for anonymous
794 if (new_brk
> target_brk
) {
795 memset(g2h(target_brk
), 0, new_brk
- target_brk
);
797 target_brk
= new_brk
;
798 DEBUGF_BRK(TARGET_ABI_FMT_lx
" (new_brk <= brk_page)\n", target_brk
);
802 /* We need to allocate more memory after the brk... Note that
803 * we don't use MAP_FIXED because that will map over the top of
804 * any existing mapping (like the one with the host libc or qemu
805 * itself); instead we treat "mapped but at wrong address" as
806 * a failure and unmap again.
808 new_alloc_size
= HOST_PAGE_ALIGN(new_brk
- brk_page
);
809 mapped_addr
= get_errno(target_mmap(brk_page
, new_alloc_size
,
810 PROT_READ
|PROT_WRITE
,
811 MAP_ANON
|MAP_PRIVATE
, 0, 0));
813 if (mapped_addr
== brk_page
) {
814 /* Heap contents are initialized to zero, as for anonymous
815 * mapped pages. Technically the new pages are already
816 * initialized to zero since they *are* anonymous mapped
817 * pages, however we have to take care with the contents that
818 * come from the remaining part of the previous page: it may
819 * contains garbage data due to a previous heap usage (grown
821 memset(g2h(target_brk
), 0, brk_page
- target_brk
);
823 target_brk
= new_brk
;
824 brk_page
= HOST_PAGE_ALIGN(target_brk
);
825 DEBUGF_BRK(TARGET_ABI_FMT_lx
" (mapped_addr == brk_page)\n",
828 } else if (mapped_addr
!= -1) {
829 /* Mapped but at wrong address, meaning there wasn't actually
830 * enough space for this brk.
832 target_munmap(mapped_addr
, new_alloc_size
);
834 DEBUGF_BRK(TARGET_ABI_FMT_lx
" (mapped_addr != -1)\n", target_brk
);
837 DEBUGF_BRK(TARGET_ABI_FMT_lx
" (otherwise)\n", target_brk
);
840 #if defined(TARGET_ALPHA)
841 /* We (partially) emulate OSF/1 on Alpha, which requires we
842 return a proper errno, not an unchanged brk value. */
843 return -TARGET_ENOMEM
;
845 /* For everything else, return the previous break. */
849 static inline abi_long
copy_from_user_fdset(fd_set
*fds
,
850 abi_ulong target_fds_addr
,
854 abi_ulong b
, *target_fds
;
856 nw
= (n
+ TARGET_ABI_BITS
- 1) / TARGET_ABI_BITS
;
857 if (!(target_fds
= lock_user(VERIFY_READ
,
859 sizeof(abi_ulong
) * nw
,
861 return -TARGET_EFAULT
;
865 for (i
= 0; i
< nw
; i
++) {
866 /* grab the abi_ulong */
867 __get_user(b
, &target_fds
[i
]);
868 for (j
= 0; j
< TARGET_ABI_BITS
; j
++) {
869 /* check the bit inside the abi_ulong */
876 unlock_user(target_fds
, target_fds_addr
, 0);
881 static inline abi_ulong
copy_from_user_fdset_ptr(fd_set
*fds
, fd_set
**fds_ptr
,
882 abi_ulong target_fds_addr
,
885 if (target_fds_addr
) {
886 if (copy_from_user_fdset(fds
, target_fds_addr
, n
))
887 return -TARGET_EFAULT
;
895 static inline abi_long
copy_to_user_fdset(abi_ulong target_fds_addr
,
901 abi_ulong
*target_fds
;
903 nw
= (n
+ TARGET_ABI_BITS
- 1) / TARGET_ABI_BITS
;
904 if (!(target_fds
= lock_user(VERIFY_WRITE
,
906 sizeof(abi_ulong
) * nw
,
908 return -TARGET_EFAULT
;
911 for (i
= 0; i
< nw
; i
++) {
913 for (j
= 0; j
< TARGET_ABI_BITS
; j
++) {
914 v
|= ((FD_ISSET(k
, fds
) != 0) << j
);
917 __put_user(v
, &target_fds
[i
]);
920 unlock_user(target_fds
, target_fds_addr
, sizeof(abi_ulong
) * nw
);
925 #if defined(__alpha__)
931 static inline abi_long
host_to_target_clock_t(long ticks
)
933 #if HOST_HZ == TARGET_HZ
936 return ((int64_t)ticks
* TARGET_HZ
) / HOST_HZ
;
940 static inline abi_long
host_to_target_rusage(abi_ulong target_addr
,
941 const struct rusage
*rusage
)
943 struct target_rusage
*target_rusage
;
945 if (!lock_user_struct(VERIFY_WRITE
, target_rusage
, target_addr
, 0))
946 return -TARGET_EFAULT
;
947 target_rusage
->ru_utime
.tv_sec
= tswapal(rusage
->ru_utime
.tv_sec
);
948 target_rusage
->ru_utime
.tv_usec
= tswapal(rusage
->ru_utime
.tv_usec
);
949 target_rusage
->ru_stime
.tv_sec
= tswapal(rusage
->ru_stime
.tv_sec
);
950 target_rusage
->ru_stime
.tv_usec
= tswapal(rusage
->ru_stime
.tv_usec
);
951 target_rusage
->ru_maxrss
= tswapal(rusage
->ru_maxrss
);
952 target_rusage
->ru_ixrss
= tswapal(rusage
->ru_ixrss
);
953 target_rusage
->ru_idrss
= tswapal(rusage
->ru_idrss
);
954 target_rusage
->ru_isrss
= tswapal(rusage
->ru_isrss
);
955 target_rusage
->ru_minflt
= tswapal(rusage
->ru_minflt
);
956 target_rusage
->ru_majflt
= tswapal(rusage
->ru_majflt
);
957 target_rusage
->ru_nswap
= tswapal(rusage
->ru_nswap
);
958 target_rusage
->ru_inblock
= tswapal(rusage
->ru_inblock
);
959 target_rusage
->ru_oublock
= tswapal(rusage
->ru_oublock
);
960 target_rusage
->ru_msgsnd
= tswapal(rusage
->ru_msgsnd
);
961 target_rusage
->ru_msgrcv
= tswapal(rusage
->ru_msgrcv
);
962 target_rusage
->ru_nsignals
= tswapal(rusage
->ru_nsignals
);
963 target_rusage
->ru_nvcsw
= tswapal(rusage
->ru_nvcsw
);
964 target_rusage
->ru_nivcsw
= tswapal(rusage
->ru_nivcsw
);
965 unlock_user_struct(target_rusage
, target_addr
, 1);
970 static inline rlim_t
target_to_host_rlim(abi_ulong target_rlim
)
972 abi_ulong target_rlim_swap
;
975 target_rlim_swap
= tswapal(target_rlim
);
976 if (target_rlim_swap
== TARGET_RLIM_INFINITY
)
977 return RLIM_INFINITY
;
979 result
= target_rlim_swap
;
980 if (target_rlim_swap
!= (rlim_t
)result
)
981 return RLIM_INFINITY
;
986 static inline abi_ulong
host_to_target_rlim(rlim_t rlim
)
988 abi_ulong target_rlim_swap
;
991 if (rlim
== RLIM_INFINITY
|| rlim
!= (abi_long
)rlim
)
992 target_rlim_swap
= TARGET_RLIM_INFINITY
;
994 target_rlim_swap
= rlim
;
995 result
= tswapal(target_rlim_swap
);
1000 static inline int target_to_host_resource(int code
)
1003 case TARGET_RLIMIT_AS
:
1005 case TARGET_RLIMIT_CORE
:
1007 case TARGET_RLIMIT_CPU
:
1009 case TARGET_RLIMIT_DATA
:
1011 case TARGET_RLIMIT_FSIZE
:
1012 return RLIMIT_FSIZE
;
1013 case TARGET_RLIMIT_LOCKS
:
1014 return RLIMIT_LOCKS
;
1015 case TARGET_RLIMIT_MEMLOCK
:
1016 return RLIMIT_MEMLOCK
;
1017 case TARGET_RLIMIT_MSGQUEUE
:
1018 return RLIMIT_MSGQUEUE
;
1019 case TARGET_RLIMIT_NICE
:
1021 case TARGET_RLIMIT_NOFILE
:
1022 return RLIMIT_NOFILE
;
1023 case TARGET_RLIMIT_NPROC
:
1024 return RLIMIT_NPROC
;
1025 case TARGET_RLIMIT_RSS
:
1027 case TARGET_RLIMIT_RTPRIO
:
1028 return RLIMIT_RTPRIO
;
1029 case TARGET_RLIMIT_SIGPENDING
:
1030 return RLIMIT_SIGPENDING
;
1031 case TARGET_RLIMIT_STACK
:
1032 return RLIMIT_STACK
;
1038 static inline abi_long
copy_from_user_timeval(struct timeval
*tv
,
1039 abi_ulong target_tv_addr
)
1041 struct target_timeval
*target_tv
;
1043 if (!lock_user_struct(VERIFY_READ
, target_tv
, target_tv_addr
, 1))
1044 return -TARGET_EFAULT
;
1046 __get_user(tv
->tv_sec
, &target_tv
->tv_sec
);
1047 __get_user(tv
->tv_usec
, &target_tv
->tv_usec
);
1049 unlock_user_struct(target_tv
, target_tv_addr
, 0);
1054 static inline abi_long
copy_to_user_timeval(abi_ulong target_tv_addr
,
1055 const struct timeval
*tv
)
1057 struct target_timeval
*target_tv
;
1059 if (!lock_user_struct(VERIFY_WRITE
, target_tv
, target_tv_addr
, 0))
1060 return -TARGET_EFAULT
;
1062 __put_user(tv
->tv_sec
, &target_tv
->tv_sec
);
1063 __put_user(tv
->tv_usec
, &target_tv
->tv_usec
);
1065 unlock_user_struct(target_tv
, target_tv_addr
, 1);
1070 #if defined(TARGET_NR_mq_open) && defined(__NR_mq_open)
1073 static inline abi_long
copy_from_user_mq_attr(struct mq_attr
*attr
,
1074 abi_ulong target_mq_attr_addr
)
1076 struct target_mq_attr
*target_mq_attr
;
1078 if (!lock_user_struct(VERIFY_READ
, target_mq_attr
,
1079 target_mq_attr_addr
, 1))
1080 return -TARGET_EFAULT
;
1082 __get_user(attr
->mq_flags
, &target_mq_attr
->mq_flags
);
1083 __get_user(attr
->mq_maxmsg
, &target_mq_attr
->mq_maxmsg
);
1084 __get_user(attr
->mq_msgsize
, &target_mq_attr
->mq_msgsize
);
1085 __get_user(attr
->mq_curmsgs
, &target_mq_attr
->mq_curmsgs
);
1087 unlock_user_struct(target_mq_attr
, target_mq_attr_addr
, 0);
1092 static inline abi_long
copy_to_user_mq_attr(abi_ulong target_mq_attr_addr
,
1093 const struct mq_attr
*attr
)
1095 struct target_mq_attr
*target_mq_attr
;
1097 if (!lock_user_struct(VERIFY_WRITE
, target_mq_attr
,
1098 target_mq_attr_addr
, 0))
1099 return -TARGET_EFAULT
;
1101 __put_user(attr
->mq_flags
, &target_mq_attr
->mq_flags
);
1102 __put_user(attr
->mq_maxmsg
, &target_mq_attr
->mq_maxmsg
);
1103 __put_user(attr
->mq_msgsize
, &target_mq_attr
->mq_msgsize
);
1104 __put_user(attr
->mq_curmsgs
, &target_mq_attr
->mq_curmsgs
);
1106 unlock_user_struct(target_mq_attr
, target_mq_attr_addr
, 1);
1112 #if defined(TARGET_NR_select) || defined(TARGET_NR__newselect)
1113 /* do_select() must return target values and target errnos. */
1114 static abi_long
do_select(int n
,
1115 abi_ulong rfd_addr
, abi_ulong wfd_addr
,
1116 abi_ulong efd_addr
, abi_ulong target_tv_addr
)
1118 fd_set rfds
, wfds
, efds
;
1119 fd_set
*rfds_ptr
, *wfds_ptr
, *efds_ptr
;
1120 struct timeval tv
, *tv_ptr
;
1123 ret
= copy_from_user_fdset_ptr(&rfds
, &rfds_ptr
, rfd_addr
, n
);
1127 ret
= copy_from_user_fdset_ptr(&wfds
, &wfds_ptr
, wfd_addr
, n
);
1131 ret
= copy_from_user_fdset_ptr(&efds
, &efds_ptr
, efd_addr
, n
);
1136 if (target_tv_addr
) {
1137 if (copy_from_user_timeval(&tv
, target_tv_addr
))
1138 return -TARGET_EFAULT
;
1144 ret
= get_errno(select(n
, rfds_ptr
, wfds_ptr
, efds_ptr
, tv_ptr
));
1146 if (!is_error(ret
)) {
1147 if (rfd_addr
&& copy_to_user_fdset(rfd_addr
, &rfds
, n
))
1148 return -TARGET_EFAULT
;
1149 if (wfd_addr
&& copy_to_user_fdset(wfd_addr
, &wfds
, n
))
1150 return -TARGET_EFAULT
;
1151 if (efd_addr
&& copy_to_user_fdset(efd_addr
, &efds
, n
))
1152 return -TARGET_EFAULT
;
1154 if (target_tv_addr
&& copy_to_user_timeval(target_tv_addr
, &tv
))
1155 return -TARGET_EFAULT
;
1162 static abi_long
do_pipe2(int host_pipe
[], int flags
)
1165 return pipe2(host_pipe
, flags
);
1171 static abi_long
do_pipe(void *cpu_env
, abi_ulong pipedes
,
1172 int flags
, int is_pipe2
)
1176 ret
= flags
? do_pipe2(host_pipe
, flags
) : pipe(host_pipe
);
1179 return get_errno(ret
);
1181 /* Several targets have special calling conventions for the original
1182 pipe syscall, but didn't replicate this into the pipe2 syscall. */
1184 #if defined(TARGET_ALPHA)
1185 ((CPUAlphaState
*)cpu_env
)->ir
[IR_A4
] = host_pipe
[1];
1186 return host_pipe
[0];
1187 #elif defined(TARGET_MIPS)
1188 ((CPUMIPSState
*)cpu_env
)->active_tc
.gpr
[3] = host_pipe
[1];
1189 return host_pipe
[0];
1190 #elif defined(TARGET_SH4)
1191 ((CPUSH4State
*)cpu_env
)->gregs
[1] = host_pipe
[1];
1192 return host_pipe
[0];
1196 if (put_user_s32(host_pipe
[0], pipedes
)
1197 || put_user_s32(host_pipe
[1], pipedes
+ sizeof(host_pipe
[0])))
1198 return -TARGET_EFAULT
;
1199 return get_errno(ret
);
1202 static inline abi_long
target_to_host_ip_mreq(struct ip_mreqn
*mreqn
,
1203 abi_ulong target_addr
,
1206 struct target_ip_mreqn
*target_smreqn
;
1208 target_smreqn
= lock_user(VERIFY_READ
, target_addr
, len
, 1);
1210 return -TARGET_EFAULT
;
1211 mreqn
->imr_multiaddr
.s_addr
= target_smreqn
->imr_multiaddr
.s_addr
;
1212 mreqn
->imr_address
.s_addr
= target_smreqn
->imr_address
.s_addr
;
1213 if (len
== sizeof(struct target_ip_mreqn
))
1214 mreqn
->imr_ifindex
= tswapal(target_smreqn
->imr_ifindex
);
1215 unlock_user(target_smreqn
, target_addr
, 0);
1220 static inline abi_long
target_to_host_sockaddr(struct sockaddr
*addr
,
1221 abi_ulong target_addr
,
1224 const socklen_t unix_maxlen
= sizeof (struct sockaddr_un
);
1225 sa_family_t sa_family
;
1226 struct target_sockaddr
*target_saddr
;
1228 target_saddr
= lock_user(VERIFY_READ
, target_addr
, len
, 1);
1230 return -TARGET_EFAULT
;
1232 sa_family
= tswap16(target_saddr
->sa_family
);
1234 /* Oops. The caller might send a incomplete sun_path; sun_path
1235 * must be terminated by \0 (see the manual page), but
1236 * unfortunately it is quite common to specify sockaddr_un
1237 * length as "strlen(x->sun_path)" while it should be
1238 * "strlen(...) + 1". We'll fix that here if needed.
1239 * Linux kernel has a similar feature.
1242 if (sa_family
== AF_UNIX
) {
1243 if (len
< unix_maxlen
&& len
> 0) {
1244 char *cp
= (char*)target_saddr
;
1246 if ( cp
[len
-1] && !cp
[len
] )
1249 if (len
> unix_maxlen
)
1253 memcpy(addr
, target_saddr
, len
);
1254 addr
->sa_family
= sa_family
;
1255 unlock_user(target_saddr
, target_addr
, 0);
1260 static inline abi_long
host_to_target_sockaddr(abi_ulong target_addr
,
1261 struct sockaddr
*addr
,
1264 struct target_sockaddr
*target_saddr
;
1266 target_saddr
= lock_user(VERIFY_WRITE
, target_addr
, len
, 0);
1268 return -TARGET_EFAULT
;
1269 memcpy(target_saddr
, addr
, len
);
1270 target_saddr
->sa_family
= tswap16(addr
->sa_family
);
1271 unlock_user(target_saddr
, target_addr
, len
);
1276 static inline abi_long
target_to_host_cmsg(struct msghdr
*msgh
,
1277 struct target_msghdr
*target_msgh
)
1279 struct cmsghdr
*cmsg
= CMSG_FIRSTHDR(msgh
);
1280 abi_long msg_controllen
;
1281 abi_ulong target_cmsg_addr
;
1282 struct target_cmsghdr
*target_cmsg
;
1283 socklen_t space
= 0;
1285 msg_controllen
= tswapal(target_msgh
->msg_controllen
);
1286 if (msg_controllen
< sizeof (struct target_cmsghdr
))
1288 target_cmsg_addr
= tswapal(target_msgh
->msg_control
);
1289 target_cmsg
= lock_user(VERIFY_READ
, target_cmsg_addr
, msg_controllen
, 1);
1291 return -TARGET_EFAULT
;
1293 while (cmsg
&& target_cmsg
) {
1294 void *data
= CMSG_DATA(cmsg
);
1295 void *target_data
= TARGET_CMSG_DATA(target_cmsg
);
1297 int len
= tswapal(target_cmsg
->cmsg_len
)
1298 - TARGET_CMSG_ALIGN(sizeof (struct target_cmsghdr
));
1300 space
+= CMSG_SPACE(len
);
1301 if (space
> msgh
->msg_controllen
) {
1302 space
-= CMSG_SPACE(len
);
1303 gemu_log("Host cmsg overflow\n");
1307 cmsg
->cmsg_level
= tswap32(target_cmsg
->cmsg_level
);
1308 cmsg
->cmsg_type
= tswap32(target_cmsg
->cmsg_type
);
1309 cmsg
->cmsg_len
= CMSG_LEN(len
);
1311 if (cmsg
->cmsg_level
!= TARGET_SOL_SOCKET
|| cmsg
->cmsg_type
!= SCM_RIGHTS
) {
1312 gemu_log("Unsupported ancillary data: %d/%d\n", cmsg
->cmsg_level
, cmsg
->cmsg_type
);
1313 memcpy(data
, target_data
, len
);
1315 int *fd
= (int *)data
;
1316 int *target_fd
= (int *)target_data
;
1317 int i
, numfds
= len
/ sizeof(int);
1319 for (i
= 0; i
< numfds
; i
++)
1320 fd
[i
] = tswap32(target_fd
[i
]);
1323 cmsg
= CMSG_NXTHDR(msgh
, cmsg
);
1324 target_cmsg
= TARGET_CMSG_NXTHDR(target_msgh
, target_cmsg
);
1326 unlock_user(target_cmsg
, target_cmsg_addr
, 0);
1328 msgh
->msg_controllen
= space
;
1332 static inline abi_long
host_to_target_cmsg(struct target_msghdr
*target_msgh
,
1333 struct msghdr
*msgh
)
1335 struct cmsghdr
*cmsg
= CMSG_FIRSTHDR(msgh
);
1336 abi_long msg_controllen
;
1337 abi_ulong target_cmsg_addr
;
1338 struct target_cmsghdr
*target_cmsg
;
1339 socklen_t space
= 0;
1341 msg_controllen
= tswapal(target_msgh
->msg_controllen
);
1342 if (msg_controllen
< sizeof (struct target_cmsghdr
))
1344 target_cmsg_addr
= tswapal(target_msgh
->msg_control
);
1345 target_cmsg
= lock_user(VERIFY_WRITE
, target_cmsg_addr
, msg_controllen
, 0);
1347 return -TARGET_EFAULT
;
1349 while (cmsg
&& target_cmsg
) {
1350 void *data
= CMSG_DATA(cmsg
);
1351 void *target_data
= TARGET_CMSG_DATA(target_cmsg
);
1353 int len
= cmsg
->cmsg_len
- CMSG_ALIGN(sizeof (struct cmsghdr
));
1355 space
+= TARGET_CMSG_SPACE(len
);
1356 if (space
> msg_controllen
) {
1357 space
-= TARGET_CMSG_SPACE(len
);
1358 gemu_log("Target cmsg overflow\n");
1362 target_cmsg
->cmsg_level
= tswap32(cmsg
->cmsg_level
);
1363 target_cmsg
->cmsg_type
= tswap32(cmsg
->cmsg_type
);
1364 target_cmsg
->cmsg_len
= tswapal(TARGET_CMSG_LEN(len
));
1366 if ((cmsg
->cmsg_level
== TARGET_SOL_SOCKET
) &&
1367 (cmsg
->cmsg_type
== SCM_RIGHTS
)) {
1368 int *fd
= (int *)data
;
1369 int *target_fd
= (int *)target_data
;
1370 int i
, numfds
= len
/ sizeof(int);
1372 for (i
= 0; i
< numfds
; i
++)
1373 target_fd
[i
] = tswap32(fd
[i
]);
1374 } else if ((cmsg
->cmsg_level
== TARGET_SOL_SOCKET
) &&
1375 (cmsg
->cmsg_type
== SO_TIMESTAMP
) &&
1376 (len
== sizeof(struct timeval
))) {
1377 /* copy struct timeval to target */
1378 struct timeval
*tv
= (struct timeval
*)data
;
1379 struct target_timeval
*target_tv
=
1380 (struct target_timeval
*)target_data
;
1382 target_tv
->tv_sec
= tswapal(tv
->tv_sec
);
1383 target_tv
->tv_usec
= tswapal(tv
->tv_usec
);
1385 gemu_log("Unsupported ancillary data: %d/%d\n",
1386 cmsg
->cmsg_level
, cmsg
->cmsg_type
);
1387 memcpy(target_data
, data
, len
);
1390 cmsg
= CMSG_NXTHDR(msgh
, cmsg
);
1391 target_cmsg
= TARGET_CMSG_NXTHDR(target_msgh
, target_cmsg
);
1393 unlock_user(target_cmsg
, target_cmsg_addr
, space
);
1395 target_msgh
->msg_controllen
= tswapal(space
);
1399 /* do_setsockopt() Must return target values and target errnos. */
1400 static abi_long
do_setsockopt(int sockfd
, int level
, int optname
,
1401 abi_ulong optval_addr
, socklen_t optlen
)
1405 struct ip_mreqn
*ip_mreq
;
1406 struct ip_mreq_source
*ip_mreq_source
;
1410 /* TCP options all take an 'int' value. */
1411 if (optlen
< sizeof(uint32_t))
1412 return -TARGET_EINVAL
;
1414 if (get_user_u32(val
, optval_addr
))
1415 return -TARGET_EFAULT
;
1416 ret
= get_errno(setsockopt(sockfd
, level
, optname
, &val
, sizeof(val
)));
1423 case IP_ROUTER_ALERT
:
1427 case IP_MTU_DISCOVER
:
1433 case IP_MULTICAST_TTL
:
1434 case IP_MULTICAST_LOOP
:
1436 if (optlen
>= sizeof(uint32_t)) {
1437 if (get_user_u32(val
, optval_addr
))
1438 return -TARGET_EFAULT
;
1439 } else if (optlen
>= 1) {
1440 if (get_user_u8(val
, optval_addr
))
1441 return -TARGET_EFAULT
;
1443 ret
= get_errno(setsockopt(sockfd
, level
, optname
, &val
, sizeof(val
)));
1445 case IP_ADD_MEMBERSHIP
:
1446 case IP_DROP_MEMBERSHIP
:
1447 if (optlen
< sizeof (struct target_ip_mreq
) ||
1448 optlen
> sizeof (struct target_ip_mreqn
))
1449 return -TARGET_EINVAL
;
1451 ip_mreq
= (struct ip_mreqn
*) alloca(optlen
);
1452 target_to_host_ip_mreq(ip_mreq
, optval_addr
, optlen
);
1453 ret
= get_errno(setsockopt(sockfd
, level
, optname
, ip_mreq
, optlen
));
1456 case IP_BLOCK_SOURCE
:
1457 case IP_UNBLOCK_SOURCE
:
1458 case IP_ADD_SOURCE_MEMBERSHIP
:
1459 case IP_DROP_SOURCE_MEMBERSHIP
:
1460 if (optlen
!= sizeof (struct target_ip_mreq_source
))
1461 return -TARGET_EINVAL
;
1463 ip_mreq_source
= lock_user(VERIFY_READ
, optval_addr
, optlen
, 1);
1464 ret
= get_errno(setsockopt(sockfd
, level
, optname
, ip_mreq_source
, optlen
));
1465 unlock_user (ip_mreq_source
, optval_addr
, 0);
1475 /* struct icmp_filter takes an u32 value */
1476 if (optlen
< sizeof(uint32_t)) {
1477 return -TARGET_EINVAL
;
1480 if (get_user_u32(val
, optval_addr
)) {
1481 return -TARGET_EFAULT
;
1483 ret
= get_errno(setsockopt(sockfd
, level
, optname
,
1484 &val
, sizeof(val
)));
1491 case TARGET_SOL_SOCKET
:
1493 case TARGET_SO_RCVTIMEO
:
1497 optname
= SO_RCVTIMEO
;
1500 if (optlen
!= sizeof(struct target_timeval
)) {
1501 return -TARGET_EINVAL
;
1504 if (copy_from_user_timeval(&tv
, optval_addr
)) {
1505 return -TARGET_EFAULT
;
1508 ret
= get_errno(setsockopt(sockfd
, SOL_SOCKET
, optname
,
1512 case TARGET_SO_SNDTIMEO
:
1513 optname
= SO_SNDTIMEO
;
1515 /* Options with 'int' argument. */
1516 case TARGET_SO_DEBUG
:
1519 case TARGET_SO_REUSEADDR
:
1520 optname
= SO_REUSEADDR
;
1522 case TARGET_SO_TYPE
:
1525 case TARGET_SO_ERROR
:
1528 case TARGET_SO_DONTROUTE
:
1529 optname
= SO_DONTROUTE
;
1531 case TARGET_SO_BROADCAST
:
1532 optname
= SO_BROADCAST
;
1534 case TARGET_SO_SNDBUF
:
1535 optname
= SO_SNDBUF
;
1537 case TARGET_SO_RCVBUF
:
1538 optname
= SO_RCVBUF
;
1540 case TARGET_SO_KEEPALIVE
:
1541 optname
= SO_KEEPALIVE
;
1543 case TARGET_SO_OOBINLINE
:
1544 optname
= SO_OOBINLINE
;
1546 case TARGET_SO_NO_CHECK
:
1547 optname
= SO_NO_CHECK
;
1549 case TARGET_SO_PRIORITY
:
1550 optname
= SO_PRIORITY
;
1553 case TARGET_SO_BSDCOMPAT
:
1554 optname
= SO_BSDCOMPAT
;
1557 case TARGET_SO_PASSCRED
:
1558 optname
= SO_PASSCRED
;
1560 case TARGET_SO_TIMESTAMP
:
1561 optname
= SO_TIMESTAMP
;
1563 case TARGET_SO_RCVLOWAT
:
1564 optname
= SO_RCVLOWAT
;
1570 if (optlen
< sizeof(uint32_t))
1571 return -TARGET_EINVAL
;
1573 if (get_user_u32(val
, optval_addr
))
1574 return -TARGET_EFAULT
;
1575 ret
= get_errno(setsockopt(sockfd
, SOL_SOCKET
, optname
, &val
, sizeof(val
)));
1579 gemu_log("Unsupported setsockopt level=%d optname=%d\n", level
, optname
);
1580 ret
= -TARGET_ENOPROTOOPT
;
1585 /* do_getsockopt() Must return target values and target errnos. */
1586 static abi_long
do_getsockopt(int sockfd
, int level
, int optname
,
1587 abi_ulong optval_addr
, abi_ulong optlen
)
1594 case TARGET_SOL_SOCKET
:
1597 /* These don't just return a single integer */
1598 case TARGET_SO_LINGER
:
1599 case TARGET_SO_RCVTIMEO
:
1600 case TARGET_SO_SNDTIMEO
:
1601 case TARGET_SO_PEERNAME
:
1603 case TARGET_SO_PEERCRED
: {
1606 struct target_ucred
*tcr
;
1608 if (get_user_u32(len
, optlen
)) {
1609 return -TARGET_EFAULT
;
1612 return -TARGET_EINVAL
;
1616 ret
= get_errno(getsockopt(sockfd
, level
, SO_PEERCRED
,
1624 if (!lock_user_struct(VERIFY_WRITE
, tcr
, optval_addr
, 0)) {
1625 return -TARGET_EFAULT
;
1627 __put_user(cr
.pid
, &tcr
->pid
);
1628 __put_user(cr
.uid
, &tcr
->uid
);
1629 __put_user(cr
.gid
, &tcr
->gid
);
1630 unlock_user_struct(tcr
, optval_addr
, 1);
1631 if (put_user_u32(len
, optlen
)) {
1632 return -TARGET_EFAULT
;
1636 /* Options with 'int' argument. */
1637 case TARGET_SO_DEBUG
:
1640 case TARGET_SO_REUSEADDR
:
1641 optname
= SO_REUSEADDR
;
1643 case TARGET_SO_TYPE
:
1646 case TARGET_SO_ERROR
:
1649 case TARGET_SO_DONTROUTE
:
1650 optname
= SO_DONTROUTE
;
1652 case TARGET_SO_BROADCAST
:
1653 optname
= SO_BROADCAST
;
1655 case TARGET_SO_SNDBUF
:
1656 optname
= SO_SNDBUF
;
1658 case TARGET_SO_RCVBUF
:
1659 optname
= SO_RCVBUF
;
1661 case TARGET_SO_KEEPALIVE
:
1662 optname
= SO_KEEPALIVE
;
1664 case TARGET_SO_OOBINLINE
:
1665 optname
= SO_OOBINLINE
;
1667 case TARGET_SO_NO_CHECK
:
1668 optname
= SO_NO_CHECK
;
1670 case TARGET_SO_PRIORITY
:
1671 optname
= SO_PRIORITY
;
1674 case TARGET_SO_BSDCOMPAT
:
1675 optname
= SO_BSDCOMPAT
;
1678 case TARGET_SO_PASSCRED
:
1679 optname
= SO_PASSCRED
;
1681 case TARGET_SO_TIMESTAMP
:
1682 optname
= SO_TIMESTAMP
;
1684 case TARGET_SO_RCVLOWAT
:
1685 optname
= SO_RCVLOWAT
;
1692 /* TCP options all take an 'int' value. */
1694 if (get_user_u32(len
, optlen
))
1695 return -TARGET_EFAULT
;
1697 return -TARGET_EINVAL
;
1699 ret
= get_errno(getsockopt(sockfd
, level
, optname
, &val
, &lv
));
1705 if (put_user_u32(val
, optval_addr
))
1706 return -TARGET_EFAULT
;
1708 if (put_user_u8(val
, optval_addr
))
1709 return -TARGET_EFAULT
;
1711 if (put_user_u32(len
, optlen
))
1712 return -TARGET_EFAULT
;
1719 case IP_ROUTER_ALERT
:
1723 case IP_MTU_DISCOVER
:
1729 case IP_MULTICAST_TTL
:
1730 case IP_MULTICAST_LOOP
:
1731 if (get_user_u32(len
, optlen
))
1732 return -TARGET_EFAULT
;
1734 return -TARGET_EINVAL
;
1736 ret
= get_errno(getsockopt(sockfd
, level
, optname
, &val
, &lv
));
1739 if (len
< sizeof(int) && len
> 0 && val
>= 0 && val
< 255) {
1741 if (put_user_u32(len
, optlen
)
1742 || put_user_u8(val
, optval_addr
))
1743 return -TARGET_EFAULT
;
1745 if (len
> sizeof(int))
1747 if (put_user_u32(len
, optlen
)
1748 || put_user_u32(val
, optval_addr
))
1749 return -TARGET_EFAULT
;
1753 ret
= -TARGET_ENOPROTOOPT
;
1759 gemu_log("getsockopt level=%d optname=%d not yet supported\n",
1761 ret
= -TARGET_EOPNOTSUPP
;
1767 static struct iovec
*lock_iovec(int type
, abi_ulong target_addr
,
1768 int count
, int copy
)
1770 struct target_iovec
*target_vec
;
1772 abi_ulong total_len
, max_len
;
1779 if (count
> IOV_MAX
) {
1784 vec
= calloc(count
, sizeof(struct iovec
));
1790 target_vec
= lock_user(VERIFY_READ
, target_addr
,
1791 count
* sizeof(struct target_iovec
), 1);
1792 if (target_vec
== NULL
) {
1797 /* ??? If host page size > target page size, this will result in a
1798 value larger than what we can actually support. */
1799 max_len
= 0x7fffffff & TARGET_PAGE_MASK
;
1802 for (i
= 0; i
< count
; i
++) {
1803 abi_ulong base
= tswapal(target_vec
[i
].iov_base
);
1804 abi_long len
= tswapal(target_vec
[i
].iov_len
);
1809 } else if (len
== 0) {
1810 /* Zero length pointer is ignored. */
1811 vec
[i
].iov_base
= 0;
1813 vec
[i
].iov_base
= lock_user(type
, base
, len
, copy
);
1814 if (!vec
[i
].iov_base
) {
1818 if (len
> max_len
- total_len
) {
1819 len
= max_len
- total_len
;
1822 vec
[i
].iov_len
= len
;
1826 unlock_user(target_vec
, target_addr
, 0);
1832 unlock_user(target_vec
, target_addr
, 0);
1836 static void unlock_iovec(struct iovec
*vec
, abi_ulong target_addr
,
1837 int count
, int copy
)
1839 struct target_iovec
*target_vec
;
1842 target_vec
= lock_user(VERIFY_READ
, target_addr
,
1843 count
* sizeof(struct target_iovec
), 1);
1845 for (i
= 0; i
< count
; i
++) {
1846 abi_ulong base
= tswapal(target_vec
[i
].iov_base
);
1847 abi_long len
= tswapal(target_vec
[i
].iov_base
);
1851 unlock_user(vec
[i
].iov_base
, base
, copy
? vec
[i
].iov_len
: 0);
1853 unlock_user(target_vec
, target_addr
, 0);
1859 /* do_socket() Must return target values and target errnos. */
1860 static abi_long
do_socket(int domain
, int type
, int protocol
)
1862 #if defined(TARGET_MIPS)
1864 case TARGET_SOCK_DGRAM
:
1867 case TARGET_SOCK_STREAM
:
1870 case TARGET_SOCK_RAW
:
1873 case TARGET_SOCK_RDM
:
1876 case TARGET_SOCK_SEQPACKET
:
1877 type
= SOCK_SEQPACKET
;
1879 case TARGET_SOCK_PACKET
:
1884 if (domain
== PF_NETLINK
)
1885 return -EAFNOSUPPORT
; /* do not NETLINK socket connections possible */
1886 return get_errno(socket(domain
, type
, protocol
));
1889 /* do_bind() Must return target values and target errnos. */
1890 static abi_long
do_bind(int sockfd
, abi_ulong target_addr
,
1896 if ((int)addrlen
< 0) {
1897 return -TARGET_EINVAL
;
1900 addr
= alloca(addrlen
+1);
1902 ret
= target_to_host_sockaddr(addr
, target_addr
, addrlen
);
1906 return get_errno(bind(sockfd
, addr
, addrlen
));
1909 /* do_connect() Must return target values and target errnos. */
1910 static abi_long
do_connect(int sockfd
, abi_ulong target_addr
,
1916 if ((int)addrlen
< 0) {
1917 return -TARGET_EINVAL
;
1920 addr
= alloca(addrlen
);
1922 ret
= target_to_host_sockaddr(addr
, target_addr
, addrlen
);
1926 return get_errno(connect(sockfd
, addr
, addrlen
));
1929 /* do_sendrecvmsg() Must return target values and target errnos. */
1930 static abi_long
do_sendrecvmsg(int fd
, abi_ulong target_msg
,
1931 int flags
, int send
)
1934 struct target_msghdr
*msgp
;
1938 abi_ulong target_vec
;
1941 if (!lock_user_struct(send
? VERIFY_READ
: VERIFY_WRITE
,
1945 return -TARGET_EFAULT
;
1946 if (msgp
->msg_name
) {
1947 msg
.msg_namelen
= tswap32(msgp
->msg_namelen
);
1948 msg
.msg_name
= alloca(msg
.msg_namelen
);
1949 ret
= target_to_host_sockaddr(msg
.msg_name
, tswapal(msgp
->msg_name
),
1955 msg
.msg_name
= NULL
;
1956 msg
.msg_namelen
= 0;
1958 msg
.msg_controllen
= 2 * tswapal(msgp
->msg_controllen
);
1959 msg
.msg_control
= alloca(msg
.msg_controllen
);
1960 msg
.msg_flags
= tswap32(msgp
->msg_flags
);
1962 count
= tswapal(msgp
->msg_iovlen
);
1963 target_vec
= tswapal(msgp
->msg_iov
);
1964 vec
= lock_iovec(send
? VERIFY_READ
: VERIFY_WRITE
,
1965 target_vec
, count
, send
);
1967 ret
= -host_to_target_errno(errno
);
1970 msg
.msg_iovlen
= count
;
1974 ret
= target_to_host_cmsg(&msg
, msgp
);
1976 ret
= get_errno(sendmsg(fd
, &msg
, flags
));
1978 ret
= get_errno(recvmsg(fd
, &msg
, flags
));
1979 if (!is_error(ret
)) {
1981 ret
= host_to_target_cmsg(msgp
, &msg
);
1982 if (!is_error(ret
)) {
1983 msgp
->msg_namelen
= tswap32(msg
.msg_namelen
);
1984 if (msg
.msg_name
!= NULL
) {
1985 ret
= host_to_target_sockaddr(tswapal(msgp
->msg_name
),
1986 msg
.msg_name
, msg
.msg_namelen
);
1998 unlock_iovec(vec
, target_vec
, count
, !send
);
2000 unlock_user_struct(msgp
, target_msg
, send
? 0 : 1);
2004 /* do_accept() Must return target values and target errnos. */
2005 static abi_long
do_accept(int fd
, abi_ulong target_addr
,
2006 abi_ulong target_addrlen_addr
)
2012 if (target_addr
== 0)
2013 return get_errno(accept(fd
, NULL
, NULL
));
2015 /* linux returns EINVAL if addrlen pointer is invalid */
2016 if (get_user_u32(addrlen
, target_addrlen_addr
))
2017 return -TARGET_EINVAL
;
2019 if ((int)addrlen
< 0) {
2020 return -TARGET_EINVAL
;
2023 if (!access_ok(VERIFY_WRITE
, target_addr
, addrlen
))
2024 return -TARGET_EINVAL
;
2026 addr
= alloca(addrlen
);
2028 ret
= get_errno(accept(fd
, addr
, &addrlen
));
2029 if (!is_error(ret
)) {
2030 host_to_target_sockaddr(target_addr
, addr
, addrlen
);
2031 if (put_user_u32(addrlen
, target_addrlen_addr
))
2032 ret
= -TARGET_EFAULT
;
2037 /* do_getpeername() Must return target values and target errnos. */
2038 static abi_long
do_getpeername(int fd
, abi_ulong target_addr
,
2039 abi_ulong target_addrlen_addr
)
2045 if (get_user_u32(addrlen
, target_addrlen_addr
))
2046 return -TARGET_EFAULT
;
2048 if ((int)addrlen
< 0) {
2049 return -TARGET_EINVAL
;
2052 if (!access_ok(VERIFY_WRITE
, target_addr
, addrlen
))
2053 return -TARGET_EFAULT
;
2055 addr
= alloca(addrlen
);
2057 ret
= get_errno(getpeername(fd
, addr
, &addrlen
));
2058 if (!is_error(ret
)) {
2059 host_to_target_sockaddr(target_addr
, addr
, addrlen
);
2060 if (put_user_u32(addrlen
, target_addrlen_addr
))
2061 ret
= -TARGET_EFAULT
;
2066 /* do_getsockname() Must return target values and target errnos. */
2067 static abi_long
do_getsockname(int fd
, abi_ulong target_addr
,
2068 abi_ulong target_addrlen_addr
)
2074 if (get_user_u32(addrlen
, target_addrlen_addr
))
2075 return -TARGET_EFAULT
;
2077 if ((int)addrlen
< 0) {
2078 return -TARGET_EINVAL
;
2081 if (!access_ok(VERIFY_WRITE
, target_addr
, addrlen
))
2082 return -TARGET_EFAULT
;
2084 addr
= alloca(addrlen
);
2086 ret
= get_errno(getsockname(fd
, addr
, &addrlen
));
2087 if (!is_error(ret
)) {
2088 host_to_target_sockaddr(target_addr
, addr
, addrlen
);
2089 if (put_user_u32(addrlen
, target_addrlen_addr
))
2090 ret
= -TARGET_EFAULT
;
2095 /* do_socketpair() Must return target values and target errnos. */
2096 static abi_long
do_socketpair(int domain
, int type
, int protocol
,
2097 abi_ulong target_tab_addr
)
2102 ret
= get_errno(socketpair(domain
, type
, protocol
, tab
));
2103 if (!is_error(ret
)) {
2104 if (put_user_s32(tab
[0], target_tab_addr
)
2105 || put_user_s32(tab
[1], target_tab_addr
+ sizeof(tab
[0])))
2106 ret
= -TARGET_EFAULT
;
2111 /* do_sendto() Must return target values and target errnos. */
2112 static abi_long
do_sendto(int fd
, abi_ulong msg
, size_t len
, int flags
,
2113 abi_ulong target_addr
, socklen_t addrlen
)
2119 if ((int)addrlen
< 0) {
2120 return -TARGET_EINVAL
;
2123 host_msg
= lock_user(VERIFY_READ
, msg
, len
, 1);
2125 return -TARGET_EFAULT
;
2127 addr
= alloca(addrlen
);
2128 ret
= target_to_host_sockaddr(addr
, target_addr
, addrlen
);
2130 unlock_user(host_msg
, msg
, 0);
2133 ret
= get_errno(sendto(fd
, host_msg
, len
, flags
, addr
, addrlen
));
2135 ret
= get_errno(send(fd
, host_msg
, len
, flags
));
2137 unlock_user(host_msg
, msg
, 0);
2141 /* do_recvfrom() Must return target values and target errnos. */
2142 static abi_long
do_recvfrom(int fd
, abi_ulong msg
, size_t len
, int flags
,
2143 abi_ulong target_addr
,
2144 abi_ulong target_addrlen
)
2151 host_msg
= lock_user(VERIFY_WRITE
, msg
, len
, 0);
2153 return -TARGET_EFAULT
;
2155 if (get_user_u32(addrlen
, target_addrlen
)) {
2156 ret
= -TARGET_EFAULT
;
2159 if ((int)addrlen
< 0) {
2160 ret
= -TARGET_EINVAL
;
2163 addr
= alloca(addrlen
);
2164 ret
= get_errno(recvfrom(fd
, host_msg
, len
, flags
, addr
, &addrlen
));
2166 addr
= NULL
; /* To keep compiler quiet. */
2167 ret
= get_errno(qemu_recv(fd
, host_msg
, len
, flags
));
2169 if (!is_error(ret
)) {
2171 host_to_target_sockaddr(target_addr
, addr
, addrlen
);
2172 if (put_user_u32(addrlen
, target_addrlen
)) {
2173 ret
= -TARGET_EFAULT
;
2177 unlock_user(host_msg
, msg
, len
);
2180 unlock_user(host_msg
, msg
, 0);
2185 #ifdef TARGET_NR_socketcall
2186 /* do_socketcall() Must return target values and target errnos. */
2187 static abi_long
do_socketcall(int num
, abi_ulong vptr
)
2190 const int n
= sizeof(abi_ulong
);
2195 abi_ulong domain
, type
, protocol
;
2197 if (get_user_ual(domain
, vptr
)
2198 || get_user_ual(type
, vptr
+ n
)
2199 || get_user_ual(protocol
, vptr
+ 2 * n
))
2200 return -TARGET_EFAULT
;
2202 ret
= do_socket(domain
, type
, protocol
);
2208 abi_ulong target_addr
;
2211 if (get_user_ual(sockfd
, vptr
)
2212 || get_user_ual(target_addr
, vptr
+ n
)
2213 || get_user_ual(addrlen
, vptr
+ 2 * n
))
2214 return -TARGET_EFAULT
;
2216 ret
= do_bind(sockfd
, target_addr
, addrlen
);
2219 case SOCKOP_connect
:
2222 abi_ulong target_addr
;
2225 if (get_user_ual(sockfd
, vptr
)
2226 || get_user_ual(target_addr
, vptr
+ n
)
2227 || get_user_ual(addrlen
, vptr
+ 2 * n
))
2228 return -TARGET_EFAULT
;
2230 ret
= do_connect(sockfd
, target_addr
, addrlen
);
2235 abi_ulong sockfd
, backlog
;
2237 if (get_user_ual(sockfd
, vptr
)
2238 || get_user_ual(backlog
, vptr
+ n
))
2239 return -TARGET_EFAULT
;
2241 ret
= get_errno(listen(sockfd
, backlog
));
2247 abi_ulong target_addr
, target_addrlen
;
2249 if (get_user_ual(sockfd
, vptr
)
2250 || get_user_ual(target_addr
, vptr
+ n
)
2251 || get_user_ual(target_addrlen
, vptr
+ 2 * n
))
2252 return -TARGET_EFAULT
;
2254 ret
= do_accept(sockfd
, target_addr
, target_addrlen
);
2257 case SOCKOP_getsockname
:
2260 abi_ulong target_addr
, target_addrlen
;
2262 if (get_user_ual(sockfd
, vptr
)
2263 || get_user_ual(target_addr
, vptr
+ n
)
2264 || get_user_ual(target_addrlen
, vptr
+ 2 * n
))
2265 return -TARGET_EFAULT
;
2267 ret
= do_getsockname(sockfd
, target_addr
, target_addrlen
);
2270 case SOCKOP_getpeername
:
2273 abi_ulong target_addr
, target_addrlen
;
2275 if (get_user_ual(sockfd
, vptr
)
2276 || get_user_ual(target_addr
, vptr
+ n
)
2277 || get_user_ual(target_addrlen
, vptr
+ 2 * n
))
2278 return -TARGET_EFAULT
;
2280 ret
= do_getpeername(sockfd
, target_addr
, target_addrlen
);
2283 case SOCKOP_socketpair
:
2285 abi_ulong domain
, type
, protocol
;
2288 if (get_user_ual(domain
, vptr
)
2289 || get_user_ual(type
, vptr
+ n
)
2290 || get_user_ual(protocol
, vptr
+ 2 * n
)
2291 || get_user_ual(tab
, vptr
+ 3 * n
))
2292 return -TARGET_EFAULT
;
2294 ret
= do_socketpair(domain
, type
, protocol
, tab
);
2304 if (get_user_ual(sockfd
, vptr
)
2305 || get_user_ual(msg
, vptr
+ n
)
2306 || get_user_ual(len
, vptr
+ 2 * n
)
2307 || get_user_ual(flags
, vptr
+ 3 * n
))
2308 return -TARGET_EFAULT
;
2310 ret
= do_sendto(sockfd
, msg
, len
, flags
, 0, 0);
2320 if (get_user_ual(sockfd
, vptr
)
2321 || get_user_ual(msg
, vptr
+ n
)
2322 || get_user_ual(len
, vptr
+ 2 * n
)
2323 || get_user_ual(flags
, vptr
+ 3 * n
))
2324 return -TARGET_EFAULT
;
2326 ret
= do_recvfrom(sockfd
, msg
, len
, flags
, 0, 0);
2338 if (get_user_ual(sockfd
, vptr
)
2339 || get_user_ual(msg
, vptr
+ n
)
2340 || get_user_ual(len
, vptr
+ 2 * n
)
2341 || get_user_ual(flags
, vptr
+ 3 * n
)
2342 || get_user_ual(addr
, vptr
+ 4 * n
)
2343 || get_user_ual(addrlen
, vptr
+ 5 * n
))
2344 return -TARGET_EFAULT
;
2346 ret
= do_sendto(sockfd
, msg
, len
, flags
, addr
, addrlen
);
2349 case SOCKOP_recvfrom
:
2358 if (get_user_ual(sockfd
, vptr
)
2359 || get_user_ual(msg
, vptr
+ n
)
2360 || get_user_ual(len
, vptr
+ 2 * n
)
2361 || get_user_ual(flags
, vptr
+ 3 * n
)
2362 || get_user_ual(addr
, vptr
+ 4 * n
)
2363 || get_user_ual(addrlen
, vptr
+ 5 * n
))
2364 return -TARGET_EFAULT
;
2366 ret
= do_recvfrom(sockfd
, msg
, len
, flags
, addr
, addrlen
);
2369 case SOCKOP_shutdown
:
2371 abi_ulong sockfd
, how
;
2373 if (get_user_ual(sockfd
, vptr
)
2374 || get_user_ual(how
, vptr
+ n
))
2375 return -TARGET_EFAULT
;
2377 ret
= get_errno(shutdown(sockfd
, how
));
2380 case SOCKOP_sendmsg
:
2381 case SOCKOP_recvmsg
:
2384 abi_ulong target_msg
;
2387 if (get_user_ual(fd
, vptr
)
2388 || get_user_ual(target_msg
, vptr
+ n
)
2389 || get_user_ual(flags
, vptr
+ 2 * n
))
2390 return -TARGET_EFAULT
;
2392 ret
= do_sendrecvmsg(fd
, target_msg
, flags
,
2393 (num
== SOCKOP_sendmsg
));
2396 case SOCKOP_setsockopt
:
2404 if (get_user_ual(sockfd
, vptr
)
2405 || get_user_ual(level
, vptr
+ n
)
2406 || get_user_ual(optname
, vptr
+ 2 * n
)
2407 || get_user_ual(optval
, vptr
+ 3 * n
)
2408 || get_user_ual(optlen
, vptr
+ 4 * n
))
2409 return -TARGET_EFAULT
;
2411 ret
= do_setsockopt(sockfd
, level
, optname
, optval
, optlen
);
2414 case SOCKOP_getsockopt
:
2422 if (get_user_ual(sockfd
, vptr
)
2423 || get_user_ual(level
, vptr
+ n
)
2424 || get_user_ual(optname
, vptr
+ 2 * n
)
2425 || get_user_ual(optval
, vptr
+ 3 * n
)
2426 || get_user_ual(optlen
, vptr
+ 4 * n
))
2427 return -TARGET_EFAULT
;
2429 ret
= do_getsockopt(sockfd
, level
, optname
, optval
, optlen
);
2433 gemu_log("Unsupported socketcall: %d\n", num
);
2434 ret
= -TARGET_ENOSYS
;
2441 #define N_SHM_REGIONS 32
2443 static struct shm_region
{
2446 } shm_regions
[N_SHM_REGIONS
];
2448 struct target_ipc_perm
2455 unsigned short int mode
;
2456 unsigned short int __pad1
;
2457 unsigned short int __seq
;
2458 unsigned short int __pad2
;
2459 abi_ulong __unused1
;
2460 abi_ulong __unused2
;
2463 struct target_semid_ds
2465 struct target_ipc_perm sem_perm
;
2466 abi_ulong sem_otime
;
2467 abi_ulong __unused1
;
2468 abi_ulong sem_ctime
;
2469 abi_ulong __unused2
;
2470 abi_ulong sem_nsems
;
2471 abi_ulong __unused3
;
2472 abi_ulong __unused4
;
2475 static inline abi_long
target_to_host_ipc_perm(struct ipc_perm
*host_ip
,
2476 abi_ulong target_addr
)
2478 struct target_ipc_perm
*target_ip
;
2479 struct target_semid_ds
*target_sd
;
2481 if (!lock_user_struct(VERIFY_READ
, target_sd
, target_addr
, 1))
2482 return -TARGET_EFAULT
;
2483 target_ip
= &(target_sd
->sem_perm
);
2484 host_ip
->__key
= tswapal(target_ip
->__key
);
2485 host_ip
->uid
= tswapal(target_ip
->uid
);
2486 host_ip
->gid
= tswapal(target_ip
->gid
);
2487 host_ip
->cuid
= tswapal(target_ip
->cuid
);
2488 host_ip
->cgid
= tswapal(target_ip
->cgid
);
2489 host_ip
->mode
= tswap16(target_ip
->mode
);
2490 unlock_user_struct(target_sd
, target_addr
, 0);
2494 static inline abi_long
host_to_target_ipc_perm(abi_ulong target_addr
,
2495 struct ipc_perm
*host_ip
)
2497 struct target_ipc_perm
*target_ip
;
2498 struct target_semid_ds
*target_sd
;
2500 if (!lock_user_struct(VERIFY_WRITE
, target_sd
, target_addr
, 0))
2501 return -TARGET_EFAULT
;
2502 target_ip
= &(target_sd
->sem_perm
);
2503 target_ip
->__key
= tswapal(host_ip
->__key
);
2504 target_ip
->uid
= tswapal(host_ip
->uid
);
2505 target_ip
->gid
= tswapal(host_ip
->gid
);
2506 target_ip
->cuid
= tswapal(host_ip
->cuid
);
2507 target_ip
->cgid
= tswapal(host_ip
->cgid
);
2508 target_ip
->mode
= tswap16(host_ip
->mode
);
2509 unlock_user_struct(target_sd
, target_addr
, 1);
2513 static inline abi_long
target_to_host_semid_ds(struct semid_ds
*host_sd
,
2514 abi_ulong target_addr
)
2516 struct target_semid_ds
*target_sd
;
2518 if (!lock_user_struct(VERIFY_READ
, target_sd
, target_addr
, 1))
2519 return -TARGET_EFAULT
;
2520 if (target_to_host_ipc_perm(&(host_sd
->sem_perm
),target_addr
))
2521 return -TARGET_EFAULT
;
2522 host_sd
->sem_nsems
= tswapal(target_sd
->sem_nsems
);
2523 host_sd
->sem_otime
= tswapal(target_sd
->sem_otime
);
2524 host_sd
->sem_ctime
= tswapal(target_sd
->sem_ctime
);
2525 unlock_user_struct(target_sd
, target_addr
, 0);
2529 static inline abi_long
host_to_target_semid_ds(abi_ulong target_addr
,
2530 struct semid_ds
*host_sd
)
2532 struct target_semid_ds
*target_sd
;
2534 if (!lock_user_struct(VERIFY_WRITE
, target_sd
, target_addr
, 0))
2535 return -TARGET_EFAULT
;
2536 if (host_to_target_ipc_perm(target_addr
,&(host_sd
->sem_perm
)))
2537 return -TARGET_EFAULT
;
2538 target_sd
->sem_nsems
= tswapal(host_sd
->sem_nsems
);
2539 target_sd
->sem_otime
= tswapal(host_sd
->sem_otime
);
2540 target_sd
->sem_ctime
= tswapal(host_sd
->sem_ctime
);
2541 unlock_user_struct(target_sd
, target_addr
, 1);
2545 struct target_seminfo
{
2558 static inline abi_long
host_to_target_seminfo(abi_ulong target_addr
,
2559 struct seminfo
*host_seminfo
)
2561 struct target_seminfo
*target_seminfo
;
2562 if (!lock_user_struct(VERIFY_WRITE
, target_seminfo
, target_addr
, 0))
2563 return -TARGET_EFAULT
;
2564 __put_user(host_seminfo
->semmap
, &target_seminfo
->semmap
);
2565 __put_user(host_seminfo
->semmni
, &target_seminfo
->semmni
);
2566 __put_user(host_seminfo
->semmns
, &target_seminfo
->semmns
);
2567 __put_user(host_seminfo
->semmnu
, &target_seminfo
->semmnu
);
2568 __put_user(host_seminfo
->semmsl
, &target_seminfo
->semmsl
);
2569 __put_user(host_seminfo
->semopm
, &target_seminfo
->semopm
);
2570 __put_user(host_seminfo
->semume
, &target_seminfo
->semume
);
2571 __put_user(host_seminfo
->semusz
, &target_seminfo
->semusz
);
2572 __put_user(host_seminfo
->semvmx
, &target_seminfo
->semvmx
);
2573 __put_user(host_seminfo
->semaem
, &target_seminfo
->semaem
);
2574 unlock_user_struct(target_seminfo
, target_addr
, 1);
2580 struct semid_ds
*buf
;
2581 unsigned short *array
;
2582 struct seminfo
*__buf
;
2585 union target_semun
{
2592 static inline abi_long
target_to_host_semarray(int semid
, unsigned short **host_array
,
2593 abi_ulong target_addr
)
2596 unsigned short *array
;
2598 struct semid_ds semid_ds
;
2601 semun
.buf
= &semid_ds
;
2603 ret
= semctl(semid
, 0, IPC_STAT
, semun
);
2605 return get_errno(ret
);
2607 nsems
= semid_ds
.sem_nsems
;
2609 *host_array
= malloc(nsems
*sizeof(unsigned short));
2610 array
= lock_user(VERIFY_READ
, target_addr
,
2611 nsems
*sizeof(unsigned short), 1);
2613 return -TARGET_EFAULT
;
2615 for(i
=0; i
<nsems
; i
++) {
2616 __get_user((*host_array
)[i
], &array
[i
]);
2618 unlock_user(array
, target_addr
, 0);
2623 static inline abi_long
host_to_target_semarray(int semid
, abi_ulong target_addr
,
2624 unsigned short **host_array
)
2627 unsigned short *array
;
2629 struct semid_ds semid_ds
;
2632 semun
.buf
= &semid_ds
;
2634 ret
= semctl(semid
, 0, IPC_STAT
, semun
);
2636 return get_errno(ret
);
2638 nsems
= semid_ds
.sem_nsems
;
2640 array
= lock_user(VERIFY_WRITE
, target_addr
,
2641 nsems
*sizeof(unsigned short), 0);
2643 return -TARGET_EFAULT
;
2645 for(i
=0; i
<nsems
; i
++) {
2646 __put_user((*host_array
)[i
], &array
[i
]);
2649 unlock_user(array
, target_addr
, 1);
2654 static inline abi_long
do_semctl(int semid
, int semnum
, int cmd
,
2655 union target_semun target_su
)
2658 struct semid_ds dsarg
;
2659 unsigned short *array
= NULL
;
2660 struct seminfo seminfo
;
2661 abi_long ret
= -TARGET_EINVAL
;
2668 arg
.val
= tswap32(target_su
.val
);
2669 ret
= get_errno(semctl(semid
, semnum
, cmd
, arg
));
2670 target_su
.val
= tswap32(arg
.val
);
2674 err
= target_to_host_semarray(semid
, &array
, target_su
.array
);
2678 ret
= get_errno(semctl(semid
, semnum
, cmd
, arg
));
2679 err
= host_to_target_semarray(semid
, target_su
.array
, &array
);
2686 err
= target_to_host_semid_ds(&dsarg
, target_su
.buf
);
2690 ret
= get_errno(semctl(semid
, semnum
, cmd
, arg
));
2691 err
= host_to_target_semid_ds(target_su
.buf
, &dsarg
);
2697 arg
.__buf
= &seminfo
;
2698 ret
= get_errno(semctl(semid
, semnum
, cmd
, arg
));
2699 err
= host_to_target_seminfo(target_su
.__buf
, &seminfo
);
2707 ret
= get_errno(semctl(semid
, semnum
, cmd
, NULL
));
2714 struct target_sembuf
{
2715 unsigned short sem_num
;
2720 static inline abi_long
target_to_host_sembuf(struct sembuf
*host_sembuf
,
2721 abi_ulong target_addr
,
2724 struct target_sembuf
*target_sembuf
;
2727 target_sembuf
= lock_user(VERIFY_READ
, target_addr
,
2728 nsops
*sizeof(struct target_sembuf
), 1);
2730 return -TARGET_EFAULT
;
2732 for(i
=0; i
<nsops
; i
++) {
2733 __get_user(host_sembuf
[i
].sem_num
, &target_sembuf
[i
].sem_num
);
2734 __get_user(host_sembuf
[i
].sem_op
, &target_sembuf
[i
].sem_op
);
2735 __get_user(host_sembuf
[i
].sem_flg
, &target_sembuf
[i
].sem_flg
);
2738 unlock_user(target_sembuf
, target_addr
, 0);
2743 static inline abi_long
do_semop(int semid
, abi_long ptr
, unsigned nsops
)
2745 struct sembuf sops
[nsops
];
2747 if (target_to_host_sembuf(sops
, ptr
, nsops
))
2748 return -TARGET_EFAULT
;
2750 return semop(semid
, sops
, nsops
);
2753 struct target_msqid_ds
2755 struct target_ipc_perm msg_perm
;
2756 abi_ulong msg_stime
;
2757 #if TARGET_ABI_BITS == 32
2758 abi_ulong __unused1
;
2760 abi_ulong msg_rtime
;
2761 #if TARGET_ABI_BITS == 32
2762 abi_ulong __unused2
;
2764 abi_ulong msg_ctime
;
2765 #if TARGET_ABI_BITS == 32
2766 abi_ulong __unused3
;
2768 abi_ulong __msg_cbytes
;
2770 abi_ulong msg_qbytes
;
2771 abi_ulong msg_lspid
;
2772 abi_ulong msg_lrpid
;
2773 abi_ulong __unused4
;
2774 abi_ulong __unused5
;
2777 static inline abi_long
target_to_host_msqid_ds(struct msqid_ds
*host_md
,
2778 abi_ulong target_addr
)
2780 struct target_msqid_ds
*target_md
;
2782 if (!lock_user_struct(VERIFY_READ
, target_md
, target_addr
, 1))
2783 return -TARGET_EFAULT
;
2784 if (target_to_host_ipc_perm(&(host_md
->msg_perm
),target_addr
))
2785 return -TARGET_EFAULT
;
2786 host_md
->msg_stime
= tswapal(target_md
->msg_stime
);
2787 host_md
->msg_rtime
= tswapal(target_md
->msg_rtime
);
2788 host_md
->msg_ctime
= tswapal(target_md
->msg_ctime
);
2789 host_md
->__msg_cbytes
= tswapal(target_md
->__msg_cbytes
);
2790 host_md
->msg_qnum
= tswapal(target_md
->msg_qnum
);
2791 host_md
->msg_qbytes
= tswapal(target_md
->msg_qbytes
);
2792 host_md
->msg_lspid
= tswapal(target_md
->msg_lspid
);
2793 host_md
->msg_lrpid
= tswapal(target_md
->msg_lrpid
);
2794 unlock_user_struct(target_md
, target_addr
, 0);
2798 static inline abi_long
host_to_target_msqid_ds(abi_ulong target_addr
,
2799 struct msqid_ds
*host_md
)
2801 struct target_msqid_ds
*target_md
;
2803 if (!lock_user_struct(VERIFY_WRITE
, target_md
, target_addr
, 0))
2804 return -TARGET_EFAULT
;
2805 if (host_to_target_ipc_perm(target_addr
,&(host_md
->msg_perm
)))
2806 return -TARGET_EFAULT
;
2807 target_md
->msg_stime
= tswapal(host_md
->msg_stime
);
2808 target_md
->msg_rtime
= tswapal(host_md
->msg_rtime
);
2809 target_md
->msg_ctime
= tswapal(host_md
->msg_ctime
);
2810 target_md
->__msg_cbytes
= tswapal(host_md
->__msg_cbytes
);
2811 target_md
->msg_qnum
= tswapal(host_md
->msg_qnum
);
2812 target_md
->msg_qbytes
= tswapal(host_md
->msg_qbytes
);
2813 target_md
->msg_lspid
= tswapal(host_md
->msg_lspid
);
2814 target_md
->msg_lrpid
= tswapal(host_md
->msg_lrpid
);
2815 unlock_user_struct(target_md
, target_addr
, 1);
2819 struct target_msginfo
{
2827 unsigned short int msgseg
;
2830 static inline abi_long
host_to_target_msginfo(abi_ulong target_addr
,
2831 struct msginfo
*host_msginfo
)
2833 struct target_msginfo
*target_msginfo
;
2834 if (!lock_user_struct(VERIFY_WRITE
, target_msginfo
, target_addr
, 0))
2835 return -TARGET_EFAULT
;
2836 __put_user(host_msginfo
->msgpool
, &target_msginfo
->msgpool
);
2837 __put_user(host_msginfo
->msgmap
, &target_msginfo
->msgmap
);
2838 __put_user(host_msginfo
->msgmax
, &target_msginfo
->msgmax
);
2839 __put_user(host_msginfo
->msgmnb
, &target_msginfo
->msgmnb
);
2840 __put_user(host_msginfo
->msgmni
, &target_msginfo
->msgmni
);
2841 __put_user(host_msginfo
->msgssz
, &target_msginfo
->msgssz
);
2842 __put_user(host_msginfo
->msgtql
, &target_msginfo
->msgtql
);
2843 __put_user(host_msginfo
->msgseg
, &target_msginfo
->msgseg
);
2844 unlock_user_struct(target_msginfo
, target_addr
, 1);
2848 static inline abi_long
do_msgctl(int msgid
, int cmd
, abi_long ptr
)
2850 struct msqid_ds dsarg
;
2851 struct msginfo msginfo
;
2852 abi_long ret
= -TARGET_EINVAL
;
2860 if (target_to_host_msqid_ds(&dsarg
,ptr
))
2861 return -TARGET_EFAULT
;
2862 ret
= get_errno(msgctl(msgid
, cmd
, &dsarg
));
2863 if (host_to_target_msqid_ds(ptr
,&dsarg
))
2864 return -TARGET_EFAULT
;
2867 ret
= get_errno(msgctl(msgid
, cmd
, NULL
));
2871 ret
= get_errno(msgctl(msgid
, cmd
, (struct msqid_ds
*)&msginfo
));
2872 if (host_to_target_msginfo(ptr
, &msginfo
))
2873 return -TARGET_EFAULT
;
2880 struct target_msgbuf
{
2885 static inline abi_long
do_msgsnd(int msqid
, abi_long msgp
,
2886 unsigned int msgsz
, int msgflg
)
2888 struct target_msgbuf
*target_mb
;
2889 struct msgbuf
*host_mb
;
2892 if (!lock_user_struct(VERIFY_READ
, target_mb
, msgp
, 0))
2893 return -TARGET_EFAULT
;
2894 host_mb
= malloc(msgsz
+sizeof(long));
2895 host_mb
->mtype
= (abi_long
) tswapal(target_mb
->mtype
);
2896 memcpy(host_mb
->mtext
, target_mb
->mtext
, msgsz
);
2897 ret
= get_errno(msgsnd(msqid
, host_mb
, msgsz
, msgflg
));
2899 unlock_user_struct(target_mb
, msgp
, 0);
2904 static inline abi_long
do_msgrcv(int msqid
, abi_long msgp
,
2905 unsigned int msgsz
, abi_long msgtyp
,
2908 struct target_msgbuf
*target_mb
;
2910 struct msgbuf
*host_mb
;
2913 if (!lock_user_struct(VERIFY_WRITE
, target_mb
, msgp
, 0))
2914 return -TARGET_EFAULT
;
2916 host_mb
= g_malloc(msgsz
+sizeof(long));
2917 ret
= get_errno(msgrcv(msqid
, host_mb
, msgsz
, msgtyp
, msgflg
));
2920 abi_ulong target_mtext_addr
= msgp
+ sizeof(abi_ulong
);
2921 target_mtext
= lock_user(VERIFY_WRITE
, target_mtext_addr
, ret
, 0);
2922 if (!target_mtext
) {
2923 ret
= -TARGET_EFAULT
;
2926 memcpy(target_mb
->mtext
, host_mb
->mtext
, ret
);
2927 unlock_user(target_mtext
, target_mtext_addr
, ret
);
2930 target_mb
->mtype
= tswapal(host_mb
->mtype
);
2934 unlock_user_struct(target_mb
, msgp
, 1);
2939 struct target_shmid_ds
2941 struct target_ipc_perm shm_perm
;
2942 abi_ulong shm_segsz
;
2943 abi_ulong shm_atime
;
2944 #if TARGET_ABI_BITS == 32
2945 abi_ulong __unused1
;
2947 abi_ulong shm_dtime
;
2948 #if TARGET_ABI_BITS == 32
2949 abi_ulong __unused2
;
2951 abi_ulong shm_ctime
;
2952 #if TARGET_ABI_BITS == 32
2953 abi_ulong __unused3
;
2957 abi_ulong shm_nattch
;
2958 unsigned long int __unused4
;
2959 unsigned long int __unused5
;
2962 static inline abi_long
target_to_host_shmid_ds(struct shmid_ds
*host_sd
,
2963 abi_ulong target_addr
)
2965 struct target_shmid_ds
*target_sd
;
2967 if (!lock_user_struct(VERIFY_READ
, target_sd
, target_addr
, 1))
2968 return -TARGET_EFAULT
;
2969 if (target_to_host_ipc_perm(&(host_sd
->shm_perm
), target_addr
))
2970 return -TARGET_EFAULT
;
2971 __get_user(host_sd
->shm_segsz
, &target_sd
->shm_segsz
);
2972 __get_user(host_sd
->shm_atime
, &target_sd
->shm_atime
);
2973 __get_user(host_sd
->shm_dtime
, &target_sd
->shm_dtime
);
2974 __get_user(host_sd
->shm_ctime
, &target_sd
->shm_ctime
);
2975 __get_user(host_sd
->shm_cpid
, &target_sd
->shm_cpid
);
2976 __get_user(host_sd
->shm_lpid
, &target_sd
->shm_lpid
);
2977 __get_user(host_sd
->shm_nattch
, &target_sd
->shm_nattch
);
2978 unlock_user_struct(target_sd
, target_addr
, 0);
2982 static inline abi_long
host_to_target_shmid_ds(abi_ulong target_addr
,
2983 struct shmid_ds
*host_sd
)
2985 struct target_shmid_ds
*target_sd
;
2987 if (!lock_user_struct(VERIFY_WRITE
, target_sd
, target_addr
, 0))
2988 return -TARGET_EFAULT
;
2989 if (host_to_target_ipc_perm(target_addr
, &(host_sd
->shm_perm
)))
2990 return -TARGET_EFAULT
;
2991 __put_user(host_sd
->shm_segsz
, &target_sd
->shm_segsz
);
2992 __put_user(host_sd
->shm_atime
, &target_sd
->shm_atime
);
2993 __put_user(host_sd
->shm_dtime
, &target_sd
->shm_dtime
);
2994 __put_user(host_sd
->shm_ctime
, &target_sd
->shm_ctime
);
2995 __put_user(host_sd
->shm_cpid
, &target_sd
->shm_cpid
);
2996 __put_user(host_sd
->shm_lpid
, &target_sd
->shm_lpid
);
2997 __put_user(host_sd
->shm_nattch
, &target_sd
->shm_nattch
);
2998 unlock_user_struct(target_sd
, target_addr
, 1);
3002 struct target_shminfo
{
3010 static inline abi_long
host_to_target_shminfo(abi_ulong target_addr
,
3011 struct shminfo
*host_shminfo
)
3013 struct target_shminfo
*target_shminfo
;
3014 if (!lock_user_struct(VERIFY_WRITE
, target_shminfo
, target_addr
, 0))
3015 return -TARGET_EFAULT
;
3016 __put_user(host_shminfo
->shmmax
, &target_shminfo
->shmmax
);
3017 __put_user(host_shminfo
->shmmin
, &target_shminfo
->shmmin
);
3018 __put_user(host_shminfo
->shmmni
, &target_shminfo
->shmmni
);
3019 __put_user(host_shminfo
->shmseg
, &target_shminfo
->shmseg
);
3020 __put_user(host_shminfo
->shmall
, &target_shminfo
->shmall
);
3021 unlock_user_struct(target_shminfo
, target_addr
, 1);
3025 struct target_shm_info
{
3030 abi_ulong swap_attempts
;
3031 abi_ulong swap_successes
;
3034 static inline abi_long
host_to_target_shm_info(abi_ulong target_addr
,
3035 struct shm_info
*host_shm_info
)
3037 struct target_shm_info
*target_shm_info
;
3038 if (!lock_user_struct(VERIFY_WRITE
, target_shm_info
, target_addr
, 0))
3039 return -TARGET_EFAULT
;
3040 __put_user(host_shm_info
->used_ids
, &target_shm_info
->used_ids
);
3041 __put_user(host_shm_info
->shm_tot
, &target_shm_info
->shm_tot
);
3042 __put_user(host_shm_info
->shm_rss
, &target_shm_info
->shm_rss
);
3043 __put_user(host_shm_info
->shm_swp
, &target_shm_info
->shm_swp
);
3044 __put_user(host_shm_info
->swap_attempts
, &target_shm_info
->swap_attempts
);
3045 __put_user(host_shm_info
->swap_successes
, &target_shm_info
->swap_successes
);
3046 unlock_user_struct(target_shm_info
, target_addr
, 1);
3050 static inline abi_long
do_shmctl(int shmid
, int cmd
, abi_long buf
)
3052 struct shmid_ds dsarg
;
3053 struct shminfo shminfo
;
3054 struct shm_info shm_info
;
3055 abi_long ret
= -TARGET_EINVAL
;
3063 if (target_to_host_shmid_ds(&dsarg
, buf
))
3064 return -TARGET_EFAULT
;
3065 ret
= get_errno(shmctl(shmid
, cmd
, &dsarg
));
3066 if (host_to_target_shmid_ds(buf
, &dsarg
))
3067 return -TARGET_EFAULT
;
3070 ret
= get_errno(shmctl(shmid
, cmd
, (struct shmid_ds
*)&shminfo
));
3071 if (host_to_target_shminfo(buf
, &shminfo
))
3072 return -TARGET_EFAULT
;
3075 ret
= get_errno(shmctl(shmid
, cmd
, (struct shmid_ds
*)&shm_info
));
3076 if (host_to_target_shm_info(buf
, &shm_info
))
3077 return -TARGET_EFAULT
;
3082 ret
= get_errno(shmctl(shmid
, cmd
, NULL
));
3089 static inline abi_ulong
do_shmat(int shmid
, abi_ulong shmaddr
, int shmflg
)
3093 struct shmid_ds shm_info
;
3096 /* find out the length of the shared memory segment */
3097 ret
= get_errno(shmctl(shmid
, IPC_STAT
, &shm_info
));
3098 if (is_error(ret
)) {
3099 /* can't get length, bail out */
3106 host_raddr
= shmat(shmid
, (void *)g2h(shmaddr
), shmflg
);
3108 abi_ulong mmap_start
;
3110 mmap_start
= mmap_find_vma(0, shm_info
.shm_segsz
);
3112 if (mmap_start
== -1) {
3114 host_raddr
= (void *)-1;
3116 host_raddr
= shmat(shmid
, g2h(mmap_start
), shmflg
| SHM_REMAP
);
3119 if (host_raddr
== (void *)-1) {
3121 return get_errno((long)host_raddr
);
3123 raddr
=h2g((unsigned long)host_raddr
);
3125 page_set_flags(raddr
, raddr
+ shm_info
.shm_segsz
,
3126 PAGE_VALID
| PAGE_READ
|
3127 ((shmflg
& SHM_RDONLY
)? 0 : PAGE_WRITE
));
3129 for (i
= 0; i
< N_SHM_REGIONS
; i
++) {
3130 if (shm_regions
[i
].start
== 0) {
3131 shm_regions
[i
].start
= raddr
;
3132 shm_regions
[i
].size
= shm_info
.shm_segsz
;
3142 static inline abi_long
do_shmdt(abi_ulong shmaddr
)
3146 for (i
= 0; i
< N_SHM_REGIONS
; ++i
) {
3147 if (shm_regions
[i
].start
== shmaddr
) {
3148 shm_regions
[i
].start
= 0;
3149 page_set_flags(shmaddr
, shmaddr
+ shm_regions
[i
].size
, 0);
3154 return get_errno(shmdt(g2h(shmaddr
)));
3157 #ifdef TARGET_NR_ipc
3158 /* ??? This only works with linear mappings. */
3159 /* do_ipc() must return target values and target errnos. */
3160 static abi_long
do_ipc(unsigned int call
, int first
,
3161 int second
, int third
,
3162 abi_long ptr
, abi_long fifth
)
3167 version
= call
>> 16;
3172 ret
= do_semop(first
, ptr
, second
);
3176 ret
= get_errno(semget(first
, second
, third
));
3180 ret
= do_semctl(first
, second
, third
, (union target_semun
)(abi_ulong
) ptr
);
3184 ret
= get_errno(msgget(first
, second
));
3188 ret
= do_msgsnd(first
, ptr
, second
, third
);
3192 ret
= do_msgctl(first
, second
, ptr
);
3199 struct target_ipc_kludge
{
3204 if (!lock_user_struct(VERIFY_READ
, tmp
, ptr
, 1)) {
3205 ret
= -TARGET_EFAULT
;
3209 ret
= do_msgrcv(first
, tswapal(tmp
->msgp
), second
, tswapal(tmp
->msgtyp
), third
);
3211 unlock_user_struct(tmp
, ptr
, 0);
3215 ret
= do_msgrcv(first
, ptr
, second
, fifth
, third
);
3224 raddr
= do_shmat(first
, ptr
, second
);
3225 if (is_error(raddr
))
3226 return get_errno(raddr
);
3227 if (put_user_ual(raddr
, third
))
3228 return -TARGET_EFAULT
;
3232 ret
= -TARGET_EINVAL
;
3237 ret
= do_shmdt(ptr
);
3241 /* IPC_* flag values are the same on all linux platforms */
3242 ret
= get_errno(shmget(first
, second
, third
));
3245 /* IPC_* and SHM_* command values are the same on all linux platforms */
3247 ret
= do_shmctl(first
, second
, third
);
3250 gemu_log("Unsupported ipc call: %d (version %d)\n", call
, version
);
3251 ret
= -TARGET_ENOSYS
;
3258 /* kernel structure types definitions */
3260 #define STRUCT(name, ...) STRUCT_ ## name,
3261 #define STRUCT_SPECIAL(name) STRUCT_ ## name,
3263 #include "syscall_types.h"
3266 #undef STRUCT_SPECIAL
3268 #define STRUCT(name, ...) static const argtype struct_ ## name ## _def[] = { __VA_ARGS__, TYPE_NULL };
3269 #define STRUCT_SPECIAL(name)
3270 #include "syscall_types.h"
3272 #undef STRUCT_SPECIAL
3274 typedef struct IOCTLEntry IOCTLEntry
;
3276 typedef abi_long
do_ioctl_fn(const IOCTLEntry
*ie
, uint8_t *buf_temp
,
3277 int fd
, abi_long cmd
, abi_long arg
);
3280 unsigned int target_cmd
;
3281 unsigned int host_cmd
;
3284 do_ioctl_fn
*do_ioctl
;
3285 const argtype arg_type
[5];
3288 #define IOC_R 0x0001
3289 #define IOC_W 0x0002
3290 #define IOC_RW (IOC_R | IOC_W)
3292 #define MAX_STRUCT_SIZE 4096
3294 #ifdef CONFIG_FIEMAP
3295 /* So fiemap access checks don't overflow on 32 bit systems.
3296 * This is very slightly smaller than the limit imposed by
3297 * the underlying kernel.
3299 #define FIEMAP_MAX_EXTENTS ((UINT_MAX - sizeof(struct fiemap)) \
3300 / sizeof(struct fiemap_extent))
3302 static abi_long
do_ioctl_fs_ioc_fiemap(const IOCTLEntry
*ie
, uint8_t *buf_temp
,
3303 int fd
, abi_long cmd
, abi_long arg
)
3305 /* The parameter for this ioctl is a struct fiemap followed
3306 * by an array of struct fiemap_extent whose size is set
3307 * in fiemap->fm_extent_count. The array is filled in by the
3310 int target_size_in
, target_size_out
;
3312 const argtype
*arg_type
= ie
->arg_type
;
3313 const argtype extent_arg_type
[] = { MK_STRUCT(STRUCT_fiemap_extent
) };
3316 int i
, extent_size
= thunk_type_size(extent_arg_type
, 0);
3320 assert(arg_type
[0] == TYPE_PTR
);
3321 assert(ie
->access
== IOC_RW
);
3323 target_size_in
= thunk_type_size(arg_type
, 0);
3324 argptr
= lock_user(VERIFY_READ
, arg
, target_size_in
, 1);
3326 return -TARGET_EFAULT
;
3328 thunk_convert(buf_temp
, argptr
, arg_type
, THUNK_HOST
);
3329 unlock_user(argptr
, arg
, 0);
3330 fm
= (struct fiemap
*)buf_temp
;
3331 if (fm
->fm_extent_count
> FIEMAP_MAX_EXTENTS
) {
3332 return -TARGET_EINVAL
;
3335 outbufsz
= sizeof (*fm
) +
3336 (sizeof(struct fiemap_extent
) * fm
->fm_extent_count
);
3338 if (outbufsz
> MAX_STRUCT_SIZE
) {
3339 /* We can't fit all the extents into the fixed size buffer.
3340 * Allocate one that is large enough and use it instead.
3342 fm
= malloc(outbufsz
);
3344 return -TARGET_ENOMEM
;
3346 memcpy(fm
, buf_temp
, sizeof(struct fiemap
));
3349 ret
= get_errno(ioctl(fd
, ie
->host_cmd
, fm
));
3350 if (!is_error(ret
)) {
3351 target_size_out
= target_size_in
;
3352 /* An extent_count of 0 means we were only counting the extents
3353 * so there are no structs to copy
3355 if (fm
->fm_extent_count
!= 0) {
3356 target_size_out
+= fm
->fm_mapped_extents
* extent_size
;
3358 argptr
= lock_user(VERIFY_WRITE
, arg
, target_size_out
, 0);
3360 ret
= -TARGET_EFAULT
;
3362 /* Convert the struct fiemap */
3363 thunk_convert(argptr
, fm
, arg_type
, THUNK_TARGET
);
3364 if (fm
->fm_extent_count
!= 0) {
3365 p
= argptr
+ target_size_in
;
3366 /* ...and then all the struct fiemap_extents */
3367 for (i
= 0; i
< fm
->fm_mapped_extents
; i
++) {
3368 thunk_convert(p
, &fm
->fm_extents
[i
], extent_arg_type
,
3373 unlock_user(argptr
, arg
, target_size_out
);
3383 static abi_long
do_ioctl_ifconf(const IOCTLEntry
*ie
, uint8_t *buf_temp
,
3384 int fd
, abi_long cmd
, abi_long arg
)
3386 const argtype
*arg_type
= ie
->arg_type
;
3390 struct ifconf
*host_ifconf
;
3392 const argtype ifreq_arg_type
[] = { MK_STRUCT(STRUCT_sockaddr_ifreq
) };
3393 int target_ifreq_size
;
3398 abi_long target_ifc_buf
;
3402 assert(arg_type
[0] == TYPE_PTR
);
3403 assert(ie
->access
== IOC_RW
);
3406 target_size
= thunk_type_size(arg_type
, 0);
3408 argptr
= lock_user(VERIFY_READ
, arg
, target_size
, 1);
3410 return -TARGET_EFAULT
;
3411 thunk_convert(buf_temp
, argptr
, arg_type
, THUNK_HOST
);
3412 unlock_user(argptr
, arg
, 0);
3414 host_ifconf
= (struct ifconf
*)(unsigned long)buf_temp
;
3415 target_ifc_len
= host_ifconf
->ifc_len
;
3416 target_ifc_buf
= (abi_long
)(unsigned long)host_ifconf
->ifc_buf
;
3418 target_ifreq_size
= thunk_type_size(ifreq_arg_type
, 0);
3419 nb_ifreq
= target_ifc_len
/ target_ifreq_size
;
3420 host_ifc_len
= nb_ifreq
* sizeof(struct ifreq
);
3422 outbufsz
= sizeof(*host_ifconf
) + host_ifc_len
;
3423 if (outbufsz
> MAX_STRUCT_SIZE
) {
3424 /* We can't fit all the extents into the fixed size buffer.
3425 * Allocate one that is large enough and use it instead.
3427 host_ifconf
= malloc(outbufsz
);
3429 return -TARGET_ENOMEM
;
3431 memcpy(host_ifconf
, buf_temp
, sizeof(*host_ifconf
));
3434 host_ifc_buf
= (char*)host_ifconf
+ sizeof(*host_ifconf
);
3436 host_ifconf
->ifc_len
= host_ifc_len
;
3437 host_ifconf
->ifc_buf
= host_ifc_buf
;
3439 ret
= get_errno(ioctl(fd
, ie
->host_cmd
, host_ifconf
));
3440 if (!is_error(ret
)) {
3441 /* convert host ifc_len to target ifc_len */
3443 nb_ifreq
= host_ifconf
->ifc_len
/ sizeof(struct ifreq
);
3444 target_ifc_len
= nb_ifreq
* target_ifreq_size
;
3445 host_ifconf
->ifc_len
= target_ifc_len
;
3447 /* restore target ifc_buf */
3449 host_ifconf
->ifc_buf
= (char *)(unsigned long)target_ifc_buf
;
3451 /* copy struct ifconf to target user */
3453 argptr
= lock_user(VERIFY_WRITE
, arg
, target_size
, 0);
3455 return -TARGET_EFAULT
;
3456 thunk_convert(argptr
, host_ifconf
, arg_type
, THUNK_TARGET
);
3457 unlock_user(argptr
, arg
, target_size
);
3459 /* copy ifreq[] to target user */
3461 argptr
= lock_user(VERIFY_WRITE
, target_ifc_buf
, target_ifc_len
, 0);
3462 for (i
= 0; i
< nb_ifreq
; i
++) {
3463 thunk_convert(argptr
+ i
* target_ifreq_size
,
3464 host_ifc_buf
+ i
* sizeof(struct ifreq
),
3465 ifreq_arg_type
, THUNK_TARGET
);
3467 unlock_user(argptr
, target_ifc_buf
, target_ifc_len
);
3477 static abi_long
do_ioctl_dm(const IOCTLEntry
*ie
, uint8_t *buf_temp
, int fd
,
3478 abi_long cmd
, abi_long arg
)
3481 struct dm_ioctl
*host_dm
;
3482 abi_long guest_data
;
3483 uint32_t guest_data_size
;
3485 const argtype
*arg_type
= ie
->arg_type
;
3487 void *big_buf
= NULL
;
3491 target_size
= thunk_type_size(arg_type
, 0);
3492 argptr
= lock_user(VERIFY_READ
, arg
, target_size
, 1);
3494 ret
= -TARGET_EFAULT
;
3497 thunk_convert(buf_temp
, argptr
, arg_type
, THUNK_HOST
);
3498 unlock_user(argptr
, arg
, 0);
3500 /* buf_temp is too small, so fetch things into a bigger buffer */
3501 big_buf
= g_malloc0(((struct dm_ioctl
*)buf_temp
)->data_size
* 2);
3502 memcpy(big_buf
, buf_temp
, target_size
);
3506 guest_data
= arg
+ host_dm
->data_start
;
3507 if ((guest_data
- arg
) < 0) {
3511 guest_data_size
= host_dm
->data_size
- host_dm
->data_start
;
3512 host_data
= (char*)host_dm
+ host_dm
->data_start
;
3514 argptr
= lock_user(VERIFY_READ
, guest_data
, guest_data_size
, 1);
3515 switch (ie
->host_cmd
) {
3517 case DM_LIST_DEVICES
:
3520 case DM_DEV_SUSPEND
:
3523 case DM_TABLE_STATUS
:
3524 case DM_TABLE_CLEAR
:
3526 case DM_LIST_VERSIONS
:
3530 case DM_DEV_SET_GEOMETRY
:
3531 /* data contains only strings */
3532 memcpy(host_data
, argptr
, guest_data_size
);
3535 memcpy(host_data
, argptr
, guest_data_size
);
3536 *(uint64_t*)host_data
= tswap64(*(uint64_t*)argptr
);
3540 void *gspec
= argptr
;
3541 void *cur_data
= host_data
;
3542 const argtype arg_type
[] = { MK_STRUCT(STRUCT_dm_target_spec
) };
3543 int spec_size
= thunk_type_size(arg_type
, 0);
3546 for (i
= 0; i
< host_dm
->target_count
; i
++) {
3547 struct dm_target_spec
*spec
= cur_data
;
3551 thunk_convert(spec
, gspec
, arg_type
, THUNK_HOST
);
3552 slen
= strlen((char*)gspec
+ spec_size
) + 1;
3554 spec
->next
= sizeof(*spec
) + slen
;
3555 strcpy((char*)&spec
[1], gspec
+ spec_size
);
3557 cur_data
+= spec
->next
;
3562 ret
= -TARGET_EINVAL
;
3565 unlock_user(argptr
, guest_data
, 0);
3567 ret
= get_errno(ioctl(fd
, ie
->host_cmd
, buf_temp
));
3568 if (!is_error(ret
)) {
3569 guest_data
= arg
+ host_dm
->data_start
;
3570 guest_data_size
= host_dm
->data_size
- host_dm
->data_start
;
3571 argptr
= lock_user(VERIFY_WRITE
, guest_data
, guest_data_size
, 0);
3572 switch (ie
->host_cmd
) {
3577 case DM_DEV_SUSPEND
:
3580 case DM_TABLE_CLEAR
:
3582 case DM_DEV_SET_GEOMETRY
:
3583 /* no return data */
3585 case DM_LIST_DEVICES
:
3587 struct dm_name_list
*nl
= (void*)host_dm
+ host_dm
->data_start
;
3588 uint32_t remaining_data
= guest_data_size
;
3589 void *cur_data
= argptr
;
3590 const argtype arg_type
[] = { MK_STRUCT(STRUCT_dm_name_list
) };
3591 int nl_size
= 12; /* can't use thunk_size due to alignment */
3594 uint32_t next
= nl
->next
;
3596 nl
->next
= nl_size
+ (strlen(nl
->name
) + 1);
3598 if (remaining_data
< nl
->next
) {
3599 host_dm
->flags
|= DM_BUFFER_FULL_FLAG
;
3602 thunk_convert(cur_data
, nl
, arg_type
, THUNK_TARGET
);
3603 strcpy(cur_data
+ nl_size
, nl
->name
);
3604 cur_data
+= nl
->next
;
3605 remaining_data
-= nl
->next
;
3609 nl
= (void*)nl
+ next
;
3614 case DM_TABLE_STATUS
:
3616 struct dm_target_spec
*spec
= (void*)host_dm
+ host_dm
->data_start
;
3617 void *cur_data
= argptr
;
3618 const argtype arg_type
[] = { MK_STRUCT(STRUCT_dm_target_spec
) };
3619 int spec_size
= thunk_type_size(arg_type
, 0);
3622 for (i
= 0; i
< host_dm
->target_count
; i
++) {
3623 uint32_t next
= spec
->next
;
3624 int slen
= strlen((char*)&spec
[1]) + 1;
3625 spec
->next
= (cur_data
- argptr
) + spec_size
+ slen
;
3626 if (guest_data_size
< spec
->next
) {
3627 host_dm
->flags
|= DM_BUFFER_FULL_FLAG
;
3630 thunk_convert(cur_data
, spec
, arg_type
, THUNK_TARGET
);
3631 strcpy(cur_data
+ spec_size
, (char*)&spec
[1]);
3632 cur_data
= argptr
+ spec
->next
;
3633 spec
= (void*)host_dm
+ host_dm
->data_start
+ next
;
3639 void *hdata
= (void*)host_dm
+ host_dm
->data_start
;
3640 int count
= *(uint32_t*)hdata
;
3641 uint64_t *hdev
= hdata
+ 8;
3642 uint64_t *gdev
= argptr
+ 8;
3645 *(uint32_t*)argptr
= tswap32(count
);
3646 for (i
= 0; i
< count
; i
++) {
3647 *gdev
= tswap64(*hdev
);
3653 case DM_LIST_VERSIONS
:
3655 struct dm_target_versions
*vers
= (void*)host_dm
+ host_dm
->data_start
;
3656 uint32_t remaining_data
= guest_data_size
;
3657 void *cur_data
= argptr
;
3658 const argtype arg_type
[] = { MK_STRUCT(STRUCT_dm_target_versions
) };
3659 int vers_size
= thunk_type_size(arg_type
, 0);
3662 uint32_t next
= vers
->next
;
3664 vers
->next
= vers_size
+ (strlen(vers
->name
) + 1);
3666 if (remaining_data
< vers
->next
) {
3667 host_dm
->flags
|= DM_BUFFER_FULL_FLAG
;
3670 thunk_convert(cur_data
, vers
, arg_type
, THUNK_TARGET
);
3671 strcpy(cur_data
+ vers_size
, vers
->name
);
3672 cur_data
+= vers
->next
;
3673 remaining_data
-= vers
->next
;
3677 vers
= (void*)vers
+ next
;
3682 ret
= -TARGET_EINVAL
;
3685 unlock_user(argptr
, guest_data
, guest_data_size
);
3687 argptr
= lock_user(VERIFY_WRITE
, arg
, target_size
, 0);
3689 ret
= -TARGET_EFAULT
;
3692 thunk_convert(argptr
, buf_temp
, arg_type
, THUNK_TARGET
);
3693 unlock_user(argptr
, arg
, target_size
);
3700 static IOCTLEntry ioctl_entries
[] = {
3701 #define IOCTL(cmd, access, ...) \
3702 { TARGET_ ## cmd, cmd, #cmd, access, 0, { __VA_ARGS__ } },
3703 #define IOCTL_SPECIAL(cmd, access, dofn, ...) \
3704 { TARGET_ ## cmd, cmd, #cmd, access, dofn, { __VA_ARGS__ } },
3709 /* ??? Implement proper locking for ioctls. */
3710 /* do_ioctl() Must return target values and target errnos. */
3711 static abi_long
do_ioctl(int fd
, abi_long cmd
, abi_long arg
)
3713 const IOCTLEntry
*ie
;
3714 const argtype
*arg_type
;
3716 uint8_t buf_temp
[MAX_STRUCT_SIZE
];
3722 if (ie
->target_cmd
== 0) {
3723 gemu_log("Unsupported ioctl: cmd=0x%04lx\n", (long)cmd
);
3724 return -TARGET_ENOSYS
;
3726 if (ie
->target_cmd
== cmd
)
3730 arg_type
= ie
->arg_type
;
3732 gemu_log("ioctl: cmd=0x%04lx (%s)\n", (long)cmd
, ie
->name
);
3735 return ie
->do_ioctl(ie
, buf_temp
, fd
, cmd
, arg
);
3738 switch(arg_type
[0]) {
3741 ret
= get_errno(ioctl(fd
, ie
->host_cmd
));
3746 ret
= get_errno(ioctl(fd
, ie
->host_cmd
, arg
));
3750 target_size
= thunk_type_size(arg_type
, 0);
3751 switch(ie
->access
) {
3753 ret
= get_errno(ioctl(fd
, ie
->host_cmd
, buf_temp
));
3754 if (!is_error(ret
)) {
3755 argptr
= lock_user(VERIFY_WRITE
, arg
, target_size
, 0);
3757 return -TARGET_EFAULT
;
3758 thunk_convert(argptr
, buf_temp
, arg_type
, THUNK_TARGET
);
3759 unlock_user(argptr
, arg
, target_size
);
3763 argptr
= lock_user(VERIFY_READ
, arg
, target_size
, 1);
3765 return -TARGET_EFAULT
;
3766 thunk_convert(buf_temp
, argptr
, arg_type
, THUNK_HOST
);
3767 unlock_user(argptr
, arg
, 0);
3768 ret
= get_errno(ioctl(fd
, ie
->host_cmd
, buf_temp
));
3772 argptr
= lock_user(VERIFY_READ
, arg
, target_size
, 1);
3774 return -TARGET_EFAULT
;
3775 thunk_convert(buf_temp
, argptr
, arg_type
, THUNK_HOST
);
3776 unlock_user(argptr
, arg
, 0);
3777 ret
= get_errno(ioctl(fd
, ie
->host_cmd
, buf_temp
));
3778 if (!is_error(ret
)) {
3779 argptr
= lock_user(VERIFY_WRITE
, arg
, target_size
, 0);
3781 return -TARGET_EFAULT
;
3782 thunk_convert(argptr
, buf_temp
, arg_type
, THUNK_TARGET
);
3783 unlock_user(argptr
, arg
, target_size
);
3789 gemu_log("Unsupported ioctl type: cmd=0x%04lx type=%d\n",
3790 (long)cmd
, arg_type
[0]);
3791 ret
= -TARGET_ENOSYS
;
3797 static const bitmask_transtbl iflag_tbl
[] = {
3798 { TARGET_IGNBRK
, TARGET_IGNBRK
, IGNBRK
, IGNBRK
},
3799 { TARGET_BRKINT
, TARGET_BRKINT
, BRKINT
, BRKINT
},
3800 { TARGET_IGNPAR
, TARGET_IGNPAR
, IGNPAR
, IGNPAR
},
3801 { TARGET_PARMRK
, TARGET_PARMRK
, PARMRK
, PARMRK
},
3802 { TARGET_INPCK
, TARGET_INPCK
, INPCK
, INPCK
},
3803 { TARGET_ISTRIP
, TARGET_ISTRIP
, ISTRIP
, ISTRIP
},
3804 { TARGET_INLCR
, TARGET_INLCR
, INLCR
, INLCR
},
3805 { TARGET_IGNCR
, TARGET_IGNCR
, IGNCR
, IGNCR
},
3806 { TARGET_ICRNL
, TARGET_ICRNL
, ICRNL
, ICRNL
},
3807 { TARGET_IUCLC
, TARGET_IUCLC
, IUCLC
, IUCLC
},
3808 { TARGET_IXON
, TARGET_IXON
, IXON
, IXON
},
3809 { TARGET_IXANY
, TARGET_IXANY
, IXANY
, IXANY
},
3810 { TARGET_IXOFF
, TARGET_IXOFF
, IXOFF
, IXOFF
},
3811 { TARGET_IMAXBEL
, TARGET_IMAXBEL
, IMAXBEL
, IMAXBEL
},
3815 static const bitmask_transtbl oflag_tbl
[] = {
3816 { TARGET_OPOST
, TARGET_OPOST
, OPOST
, OPOST
},
3817 { TARGET_OLCUC
, TARGET_OLCUC
, OLCUC
, OLCUC
},
3818 { TARGET_ONLCR
, TARGET_ONLCR
, ONLCR
, ONLCR
},
3819 { TARGET_OCRNL
, TARGET_OCRNL
, OCRNL
, OCRNL
},
3820 { TARGET_ONOCR
, TARGET_ONOCR
, ONOCR
, ONOCR
},
3821 { TARGET_ONLRET
, TARGET_ONLRET
, ONLRET
, ONLRET
},
3822 { TARGET_OFILL
, TARGET_OFILL
, OFILL
, OFILL
},
3823 { TARGET_OFDEL
, TARGET_OFDEL
, OFDEL
, OFDEL
},
3824 { TARGET_NLDLY
, TARGET_NL0
, NLDLY
, NL0
},
3825 { TARGET_NLDLY
, TARGET_NL1
, NLDLY
, NL1
},
3826 { TARGET_CRDLY
, TARGET_CR0
, CRDLY
, CR0
},
3827 { TARGET_CRDLY
, TARGET_CR1
, CRDLY
, CR1
},
3828 { TARGET_CRDLY
, TARGET_CR2
, CRDLY
, CR2
},
3829 { TARGET_CRDLY
, TARGET_CR3
, CRDLY
, CR3
},
3830 { TARGET_TABDLY
, TARGET_TAB0
, TABDLY
, TAB0
},
3831 { TARGET_TABDLY
, TARGET_TAB1
, TABDLY
, TAB1
},
3832 { TARGET_TABDLY
, TARGET_TAB2
, TABDLY
, TAB2
},
3833 { TARGET_TABDLY
, TARGET_TAB3
, TABDLY
, TAB3
},
3834 { TARGET_BSDLY
, TARGET_BS0
, BSDLY
, BS0
},
3835 { TARGET_BSDLY
, TARGET_BS1
, BSDLY
, BS1
},
3836 { TARGET_VTDLY
, TARGET_VT0
, VTDLY
, VT0
},
3837 { TARGET_VTDLY
, TARGET_VT1
, VTDLY
, VT1
},
3838 { TARGET_FFDLY
, TARGET_FF0
, FFDLY
, FF0
},
3839 { TARGET_FFDLY
, TARGET_FF1
, FFDLY
, FF1
},
3843 static const bitmask_transtbl cflag_tbl
[] = {
3844 { TARGET_CBAUD
, TARGET_B0
, CBAUD
, B0
},
3845 { TARGET_CBAUD
, TARGET_B50
, CBAUD
, B50
},
3846 { TARGET_CBAUD
, TARGET_B75
, CBAUD
, B75
},
3847 { TARGET_CBAUD
, TARGET_B110
, CBAUD
, B110
},
3848 { TARGET_CBAUD
, TARGET_B134
, CBAUD
, B134
},
3849 { TARGET_CBAUD
, TARGET_B150
, CBAUD
, B150
},
3850 { TARGET_CBAUD
, TARGET_B200
, CBAUD
, B200
},
3851 { TARGET_CBAUD
, TARGET_B300
, CBAUD
, B300
},
3852 { TARGET_CBAUD
, TARGET_B600
, CBAUD
, B600
},
3853 { TARGET_CBAUD
, TARGET_B1200
, CBAUD
, B1200
},
3854 { TARGET_CBAUD
, TARGET_B1800
, CBAUD
, B1800
},
3855 { TARGET_CBAUD
, TARGET_B2400
, CBAUD
, B2400
},
3856 { TARGET_CBAUD
, TARGET_B4800
, CBAUD
, B4800
},
3857 { TARGET_CBAUD
, TARGET_B9600
, CBAUD
, B9600
},
3858 { TARGET_CBAUD
, TARGET_B19200
, CBAUD
, B19200
},
3859 { TARGET_CBAUD
, TARGET_B38400
, CBAUD
, B38400
},
3860 { TARGET_CBAUD
, TARGET_B57600
, CBAUD
, B57600
},
3861 { TARGET_CBAUD
, TARGET_B115200
, CBAUD
, B115200
},
3862 { TARGET_CBAUD
, TARGET_B230400
, CBAUD
, B230400
},
3863 { TARGET_CBAUD
, TARGET_B460800
, CBAUD
, B460800
},
3864 { TARGET_CSIZE
, TARGET_CS5
, CSIZE
, CS5
},
3865 { TARGET_CSIZE
, TARGET_CS6
, CSIZE
, CS6
},
3866 { TARGET_CSIZE
, TARGET_CS7
, CSIZE
, CS7
},
3867 { TARGET_CSIZE
, TARGET_CS8
, CSIZE
, CS8
},
3868 { TARGET_CSTOPB
, TARGET_CSTOPB
, CSTOPB
, CSTOPB
},
3869 { TARGET_CREAD
, TARGET_CREAD
, CREAD
, CREAD
},
3870 { TARGET_PARENB
, TARGET_PARENB
, PARENB
, PARENB
},
3871 { TARGET_PARODD
, TARGET_PARODD
, PARODD
, PARODD
},
3872 { TARGET_HUPCL
, TARGET_HUPCL
, HUPCL
, HUPCL
},
3873 { TARGET_CLOCAL
, TARGET_CLOCAL
, CLOCAL
, CLOCAL
},
3874 { TARGET_CRTSCTS
, TARGET_CRTSCTS
, CRTSCTS
, CRTSCTS
},
3878 static const bitmask_transtbl lflag_tbl
[] = {
3879 { TARGET_ISIG
, TARGET_ISIG
, ISIG
, ISIG
},
3880 { TARGET_ICANON
, TARGET_ICANON
, ICANON
, ICANON
},
3881 { TARGET_XCASE
, TARGET_XCASE
, XCASE
, XCASE
},
3882 { TARGET_ECHO
, TARGET_ECHO
, ECHO
, ECHO
},
3883 { TARGET_ECHOE
, TARGET_ECHOE
, ECHOE
, ECHOE
},
3884 { TARGET_ECHOK
, TARGET_ECHOK
, ECHOK
, ECHOK
},
3885 { TARGET_ECHONL
, TARGET_ECHONL
, ECHONL
, ECHONL
},
3886 { TARGET_NOFLSH
, TARGET_NOFLSH
, NOFLSH
, NOFLSH
},
3887 { TARGET_TOSTOP
, TARGET_TOSTOP
, TOSTOP
, TOSTOP
},
3888 { TARGET_ECHOCTL
, TARGET_ECHOCTL
, ECHOCTL
, ECHOCTL
},
3889 { TARGET_ECHOPRT
, TARGET_ECHOPRT
, ECHOPRT
, ECHOPRT
},
3890 { TARGET_ECHOKE
, TARGET_ECHOKE
, ECHOKE
, ECHOKE
},
3891 { TARGET_FLUSHO
, TARGET_FLUSHO
, FLUSHO
, FLUSHO
},
3892 { TARGET_PENDIN
, TARGET_PENDIN
, PENDIN
, PENDIN
},
3893 { TARGET_IEXTEN
, TARGET_IEXTEN
, IEXTEN
, IEXTEN
},
3897 static void target_to_host_termios (void *dst
, const void *src
)
3899 struct host_termios
*host
= dst
;
3900 const struct target_termios
*target
= src
;
3903 target_to_host_bitmask(tswap32(target
->c_iflag
), iflag_tbl
);
3905 target_to_host_bitmask(tswap32(target
->c_oflag
), oflag_tbl
);
3907 target_to_host_bitmask(tswap32(target
->c_cflag
), cflag_tbl
);
3909 target_to_host_bitmask(tswap32(target
->c_lflag
), lflag_tbl
);
3910 host
->c_line
= target
->c_line
;
3912 memset(host
->c_cc
, 0, sizeof(host
->c_cc
));
3913 host
->c_cc
[VINTR
] = target
->c_cc
[TARGET_VINTR
];
3914 host
->c_cc
[VQUIT
] = target
->c_cc
[TARGET_VQUIT
];
3915 host
->c_cc
[VERASE
] = target
->c_cc
[TARGET_VERASE
];
3916 host
->c_cc
[VKILL
] = target
->c_cc
[TARGET_VKILL
];
3917 host
->c_cc
[VEOF
] = target
->c_cc
[TARGET_VEOF
];
3918 host
->c_cc
[VTIME
] = target
->c_cc
[TARGET_VTIME
];
3919 host
->c_cc
[VMIN
] = target
->c_cc
[TARGET_VMIN
];
3920 host
->c_cc
[VSWTC
] = target
->c_cc
[TARGET_VSWTC
];
3921 host
->c_cc
[VSTART
] = target
->c_cc
[TARGET_VSTART
];
3922 host
->c_cc
[VSTOP
] = target
->c_cc
[TARGET_VSTOP
];
3923 host
->c_cc
[VSUSP
] = target
->c_cc
[TARGET_VSUSP
];
3924 host
->c_cc
[VEOL
] = target
->c_cc
[TARGET_VEOL
];
3925 host
->c_cc
[VREPRINT
] = target
->c_cc
[TARGET_VREPRINT
];
3926 host
->c_cc
[VDISCARD
] = target
->c_cc
[TARGET_VDISCARD
];
3927 host
->c_cc
[VWERASE
] = target
->c_cc
[TARGET_VWERASE
];
3928 host
->c_cc
[VLNEXT
] = target
->c_cc
[TARGET_VLNEXT
];
3929 host
->c_cc
[VEOL2
] = target
->c_cc
[TARGET_VEOL2
];
3932 static void host_to_target_termios (void *dst
, const void *src
)
3934 struct target_termios
*target
= dst
;
3935 const struct host_termios
*host
= src
;
3938 tswap32(host_to_target_bitmask(host
->c_iflag
, iflag_tbl
));
3940 tswap32(host_to_target_bitmask(host
->c_oflag
, oflag_tbl
));
3942 tswap32(host_to_target_bitmask(host
->c_cflag
, cflag_tbl
));
3944 tswap32(host_to_target_bitmask(host
->c_lflag
, lflag_tbl
));
3945 target
->c_line
= host
->c_line
;
3947 memset(target
->c_cc
, 0, sizeof(target
->c_cc
));
3948 target
->c_cc
[TARGET_VINTR
] = host
->c_cc
[VINTR
];
3949 target
->c_cc
[TARGET_VQUIT
] = host
->c_cc
[VQUIT
];
3950 target
->c_cc
[TARGET_VERASE
] = host
->c_cc
[VERASE
];
3951 target
->c_cc
[TARGET_VKILL
] = host
->c_cc
[VKILL
];
3952 target
->c_cc
[TARGET_VEOF
] = host
->c_cc
[VEOF
];
3953 target
->c_cc
[TARGET_VTIME
] = host
->c_cc
[VTIME
];
3954 target
->c_cc
[TARGET_VMIN
] = host
->c_cc
[VMIN
];
3955 target
->c_cc
[TARGET_VSWTC
] = host
->c_cc
[VSWTC
];
3956 target
->c_cc
[TARGET_VSTART
] = host
->c_cc
[VSTART
];
3957 target
->c_cc
[TARGET_VSTOP
] = host
->c_cc
[VSTOP
];
3958 target
->c_cc
[TARGET_VSUSP
] = host
->c_cc
[VSUSP
];
3959 target
->c_cc
[TARGET_VEOL
] = host
->c_cc
[VEOL
];
3960 target
->c_cc
[TARGET_VREPRINT
] = host
->c_cc
[VREPRINT
];
3961 target
->c_cc
[TARGET_VDISCARD
] = host
->c_cc
[VDISCARD
];
3962 target
->c_cc
[TARGET_VWERASE
] = host
->c_cc
[VWERASE
];
3963 target
->c_cc
[TARGET_VLNEXT
] = host
->c_cc
[VLNEXT
];
3964 target
->c_cc
[TARGET_VEOL2
] = host
->c_cc
[VEOL2
];
3967 static const StructEntry struct_termios_def
= {
3968 .convert
= { host_to_target_termios
, target_to_host_termios
},
3969 .size
= { sizeof(struct target_termios
), sizeof(struct host_termios
) },
3970 .align
= { __alignof__(struct target_termios
), __alignof__(struct host_termios
) },
3973 static bitmask_transtbl mmap_flags_tbl
[] = {
3974 { TARGET_MAP_SHARED
, TARGET_MAP_SHARED
, MAP_SHARED
, MAP_SHARED
},
3975 { TARGET_MAP_PRIVATE
, TARGET_MAP_PRIVATE
, MAP_PRIVATE
, MAP_PRIVATE
},
3976 { TARGET_MAP_FIXED
, TARGET_MAP_FIXED
, MAP_FIXED
, MAP_FIXED
},
3977 { TARGET_MAP_ANONYMOUS
, TARGET_MAP_ANONYMOUS
, MAP_ANONYMOUS
, MAP_ANONYMOUS
},
3978 { TARGET_MAP_GROWSDOWN
, TARGET_MAP_GROWSDOWN
, MAP_GROWSDOWN
, MAP_GROWSDOWN
},
3979 { TARGET_MAP_DENYWRITE
, TARGET_MAP_DENYWRITE
, MAP_DENYWRITE
, MAP_DENYWRITE
},
3980 { TARGET_MAP_EXECUTABLE
, TARGET_MAP_EXECUTABLE
, MAP_EXECUTABLE
, MAP_EXECUTABLE
},
3981 { TARGET_MAP_LOCKED
, TARGET_MAP_LOCKED
, MAP_LOCKED
, MAP_LOCKED
},
3985 #if defined(TARGET_I386)
3987 /* NOTE: there is really one LDT for all the threads */
3988 static uint8_t *ldt_table
;
3990 static abi_long
read_ldt(abi_ulong ptr
, unsigned long bytecount
)
3997 size
= TARGET_LDT_ENTRIES
* TARGET_LDT_ENTRY_SIZE
;
3998 if (size
> bytecount
)
4000 p
= lock_user(VERIFY_WRITE
, ptr
, size
, 0);
4002 return -TARGET_EFAULT
;
4003 /* ??? Should this by byteswapped? */
4004 memcpy(p
, ldt_table
, size
);
4005 unlock_user(p
, ptr
, size
);
4009 /* XXX: add locking support */
4010 static abi_long
write_ldt(CPUX86State
*env
,
4011 abi_ulong ptr
, unsigned long bytecount
, int oldmode
)
4013 struct target_modify_ldt_ldt_s ldt_info
;
4014 struct target_modify_ldt_ldt_s
*target_ldt_info
;
4015 int seg_32bit
, contents
, read_exec_only
, limit_in_pages
;
4016 int seg_not_present
, useable
, lm
;
4017 uint32_t *lp
, entry_1
, entry_2
;
4019 if (bytecount
!= sizeof(ldt_info
))
4020 return -TARGET_EINVAL
;
4021 if (!lock_user_struct(VERIFY_READ
, target_ldt_info
, ptr
, 1))
4022 return -TARGET_EFAULT
;
4023 ldt_info
.entry_number
= tswap32(target_ldt_info
->entry_number
);
4024 ldt_info
.base_addr
= tswapal(target_ldt_info
->base_addr
);
4025 ldt_info
.limit
= tswap32(target_ldt_info
->limit
);
4026 ldt_info
.flags
= tswap32(target_ldt_info
->flags
);
4027 unlock_user_struct(target_ldt_info
, ptr
, 0);
4029 if (ldt_info
.entry_number
>= TARGET_LDT_ENTRIES
)
4030 return -TARGET_EINVAL
;
4031 seg_32bit
= ldt_info
.flags
& 1;
4032 contents
= (ldt_info
.flags
>> 1) & 3;
4033 read_exec_only
= (ldt_info
.flags
>> 3) & 1;
4034 limit_in_pages
= (ldt_info
.flags
>> 4) & 1;
4035 seg_not_present
= (ldt_info
.flags
>> 5) & 1;
4036 useable
= (ldt_info
.flags
>> 6) & 1;
4040 lm
= (ldt_info
.flags
>> 7) & 1;
4042 if (contents
== 3) {
4044 return -TARGET_EINVAL
;
4045 if (seg_not_present
== 0)
4046 return -TARGET_EINVAL
;
4048 /* allocate the LDT */
4050 env
->ldt
.base
= target_mmap(0,
4051 TARGET_LDT_ENTRIES
* TARGET_LDT_ENTRY_SIZE
,
4052 PROT_READ
|PROT_WRITE
,
4053 MAP_ANONYMOUS
|MAP_PRIVATE
, -1, 0);
4054 if (env
->ldt
.base
== -1)
4055 return -TARGET_ENOMEM
;
4056 memset(g2h(env
->ldt
.base
), 0,
4057 TARGET_LDT_ENTRIES
* TARGET_LDT_ENTRY_SIZE
);
4058 env
->ldt
.limit
= 0xffff;
4059 ldt_table
= g2h(env
->ldt
.base
);
4062 /* NOTE: same code as Linux kernel */
4063 /* Allow LDTs to be cleared by the user. */
4064 if (ldt_info
.base_addr
== 0 && ldt_info
.limit
== 0) {
4067 read_exec_only
== 1 &&
4069 limit_in_pages
== 0 &&
4070 seg_not_present
== 1 &&
4078 entry_1
= ((ldt_info
.base_addr
& 0x0000ffff) << 16) |
4079 (ldt_info
.limit
& 0x0ffff);
4080 entry_2
= (ldt_info
.base_addr
& 0xff000000) |
4081 ((ldt_info
.base_addr
& 0x00ff0000) >> 16) |
4082 (ldt_info
.limit
& 0xf0000) |
4083 ((read_exec_only
^ 1) << 9) |
4085 ((seg_not_present
^ 1) << 15) |
4087 (limit_in_pages
<< 23) |
4091 entry_2
|= (useable
<< 20);
4093 /* Install the new entry ... */
4095 lp
= (uint32_t *)(ldt_table
+ (ldt_info
.entry_number
<< 3));
4096 lp
[0] = tswap32(entry_1
);
4097 lp
[1] = tswap32(entry_2
);
4101 /* specific and weird i386 syscalls */
4102 static abi_long
do_modify_ldt(CPUX86State
*env
, int func
, abi_ulong ptr
,
4103 unsigned long bytecount
)
4109 ret
= read_ldt(ptr
, bytecount
);
4112 ret
= write_ldt(env
, ptr
, bytecount
, 1);
4115 ret
= write_ldt(env
, ptr
, bytecount
, 0);
4118 ret
= -TARGET_ENOSYS
;
4124 #if defined(TARGET_I386) && defined(TARGET_ABI32)
4125 static abi_long
do_set_thread_area(CPUX86State
*env
, abi_ulong ptr
)
4127 uint64_t *gdt_table
= g2h(env
->gdt
.base
);
4128 struct target_modify_ldt_ldt_s ldt_info
;
4129 struct target_modify_ldt_ldt_s
*target_ldt_info
;
4130 int seg_32bit
, contents
, read_exec_only
, limit_in_pages
;
4131 int seg_not_present
, useable
, lm
;
4132 uint32_t *lp
, entry_1
, entry_2
;
4135 lock_user_struct(VERIFY_WRITE
, target_ldt_info
, ptr
, 1);
4136 if (!target_ldt_info
)
4137 return -TARGET_EFAULT
;
4138 ldt_info
.entry_number
= tswap32(target_ldt_info
->entry_number
);
4139 ldt_info
.base_addr
= tswapal(target_ldt_info
->base_addr
);
4140 ldt_info
.limit
= tswap32(target_ldt_info
->limit
);
4141 ldt_info
.flags
= tswap32(target_ldt_info
->flags
);
4142 if (ldt_info
.entry_number
== -1) {
4143 for (i
=TARGET_GDT_ENTRY_TLS_MIN
; i
<=TARGET_GDT_ENTRY_TLS_MAX
; i
++) {
4144 if (gdt_table
[i
] == 0) {
4145 ldt_info
.entry_number
= i
;
4146 target_ldt_info
->entry_number
= tswap32(i
);
4151 unlock_user_struct(target_ldt_info
, ptr
, 1);
4153 if (ldt_info
.entry_number
< TARGET_GDT_ENTRY_TLS_MIN
||
4154 ldt_info
.entry_number
> TARGET_GDT_ENTRY_TLS_MAX
)
4155 return -TARGET_EINVAL
;
4156 seg_32bit
= ldt_info
.flags
& 1;
4157 contents
= (ldt_info
.flags
>> 1) & 3;
4158 read_exec_only
= (ldt_info
.flags
>> 3) & 1;
4159 limit_in_pages
= (ldt_info
.flags
>> 4) & 1;
4160 seg_not_present
= (ldt_info
.flags
>> 5) & 1;
4161 useable
= (ldt_info
.flags
>> 6) & 1;
4165 lm
= (ldt_info
.flags
>> 7) & 1;
4168 if (contents
== 3) {
4169 if (seg_not_present
== 0)
4170 return -TARGET_EINVAL
;
4173 /* NOTE: same code as Linux kernel */
4174 /* Allow LDTs to be cleared by the user. */
4175 if (ldt_info
.base_addr
== 0 && ldt_info
.limit
== 0) {
4176 if ((contents
== 0 &&
4177 read_exec_only
== 1 &&
4179 limit_in_pages
== 0 &&
4180 seg_not_present
== 1 &&
4188 entry_1
= ((ldt_info
.base_addr
& 0x0000ffff) << 16) |
4189 (ldt_info
.limit
& 0x0ffff);
4190 entry_2
= (ldt_info
.base_addr
& 0xff000000) |
4191 ((ldt_info
.base_addr
& 0x00ff0000) >> 16) |
4192 (ldt_info
.limit
& 0xf0000) |
4193 ((read_exec_only
^ 1) << 9) |
4195 ((seg_not_present
^ 1) << 15) |
4197 (limit_in_pages
<< 23) |
4202 /* Install the new entry ... */
4204 lp
= (uint32_t *)(gdt_table
+ ldt_info
.entry_number
);
4205 lp
[0] = tswap32(entry_1
);
4206 lp
[1] = tswap32(entry_2
);
4210 static abi_long
do_get_thread_area(CPUX86State
*env
, abi_ulong ptr
)
4212 struct target_modify_ldt_ldt_s
*target_ldt_info
;
4213 uint64_t *gdt_table
= g2h(env
->gdt
.base
);
4214 uint32_t base_addr
, limit
, flags
;
4215 int seg_32bit
, contents
, read_exec_only
, limit_in_pages
, idx
;
4216 int seg_not_present
, useable
, lm
;
4217 uint32_t *lp
, entry_1
, entry_2
;
4219 lock_user_struct(VERIFY_WRITE
, target_ldt_info
, ptr
, 1);
4220 if (!target_ldt_info
)
4221 return -TARGET_EFAULT
;
4222 idx
= tswap32(target_ldt_info
->entry_number
);
4223 if (idx
< TARGET_GDT_ENTRY_TLS_MIN
||
4224 idx
> TARGET_GDT_ENTRY_TLS_MAX
) {
4225 unlock_user_struct(target_ldt_info
, ptr
, 1);
4226 return -TARGET_EINVAL
;
4228 lp
= (uint32_t *)(gdt_table
+ idx
);
4229 entry_1
= tswap32(lp
[0]);
4230 entry_2
= tswap32(lp
[1]);
4232 read_exec_only
= ((entry_2
>> 9) & 1) ^ 1;
4233 contents
= (entry_2
>> 10) & 3;
4234 seg_not_present
= ((entry_2
>> 15) & 1) ^ 1;
4235 seg_32bit
= (entry_2
>> 22) & 1;
4236 limit_in_pages
= (entry_2
>> 23) & 1;
4237 useable
= (entry_2
>> 20) & 1;
4241 lm
= (entry_2
>> 21) & 1;
4243 flags
= (seg_32bit
<< 0) | (contents
<< 1) |
4244 (read_exec_only
<< 3) | (limit_in_pages
<< 4) |
4245 (seg_not_present
<< 5) | (useable
<< 6) | (lm
<< 7);
4246 limit
= (entry_1
& 0xffff) | (entry_2
& 0xf0000);
4247 base_addr
= (entry_1
>> 16) |
4248 (entry_2
& 0xff000000) |
4249 ((entry_2
& 0xff) << 16);
4250 target_ldt_info
->base_addr
= tswapal(base_addr
);
4251 target_ldt_info
->limit
= tswap32(limit
);
4252 target_ldt_info
->flags
= tswap32(flags
);
4253 unlock_user_struct(target_ldt_info
, ptr
, 1);
4256 #endif /* TARGET_I386 && TARGET_ABI32 */
4258 #ifndef TARGET_ABI32
4259 static abi_long
do_arch_prctl(CPUX86State
*env
, int code
, abi_ulong addr
)
4266 case TARGET_ARCH_SET_GS
:
4267 case TARGET_ARCH_SET_FS
:
4268 if (code
== TARGET_ARCH_SET_GS
)
4272 cpu_x86_load_seg(env
, idx
, 0);
4273 env
->segs
[idx
].base
= addr
;
4275 case TARGET_ARCH_GET_GS
:
4276 case TARGET_ARCH_GET_FS
:
4277 if (code
== TARGET_ARCH_GET_GS
)
4281 val
= env
->segs
[idx
].base
;
4282 if (put_user(val
, addr
, abi_ulong
))
4283 ret
= -TARGET_EFAULT
;
4286 ret
= -TARGET_EINVAL
;
4293 #endif /* defined(TARGET_I386) */
4295 #define NEW_STACK_SIZE 0x40000
4297 #if defined(CONFIG_USE_NPTL)
4299 static pthread_mutex_t clone_lock
= PTHREAD_MUTEX_INITIALIZER
;
4302 pthread_mutex_t mutex
;
4303 pthread_cond_t cond
;
4306 abi_ulong child_tidptr
;
4307 abi_ulong parent_tidptr
;
4311 static void *clone_func(void *arg
)
4313 new_thread_info
*info
= arg
;
4319 cpu
= ENV_GET_CPU(env
);
4321 ts
= (TaskState
*)thread_env
->opaque
;
4322 info
->tid
= gettid();
4323 cpu
->host_tid
= info
->tid
;
4325 if (info
->child_tidptr
)
4326 put_user_u32(info
->tid
, info
->child_tidptr
);
4327 if (info
->parent_tidptr
)
4328 put_user_u32(info
->tid
, info
->parent_tidptr
);
4329 /* Enable signals. */
4330 sigprocmask(SIG_SETMASK
, &info
->sigmask
, NULL
);
4331 /* Signal to the parent that we're ready. */
4332 pthread_mutex_lock(&info
->mutex
);
4333 pthread_cond_broadcast(&info
->cond
);
4334 pthread_mutex_unlock(&info
->mutex
);
4335 /* Wait until the parent has finshed initializing the tls state. */
4336 pthread_mutex_lock(&clone_lock
);
4337 pthread_mutex_unlock(&clone_lock
);
4344 static int clone_func(void *arg
)
4346 CPUArchState
*env
= arg
;
4353 /* do_fork() Must return host values and target errnos (unlike most
4354 do_*() functions). */
4355 static int do_fork(CPUArchState
*env
, unsigned int flags
, abi_ulong newsp
,
4356 abi_ulong parent_tidptr
, target_ulong newtls
,
4357 abi_ulong child_tidptr
)
4361 CPUArchState
*new_env
;
4362 #if defined(CONFIG_USE_NPTL)
4363 unsigned int nptl_flags
;
4369 /* Emulate vfork() with fork() */
4370 if (flags
& CLONE_VFORK
)
4371 flags
&= ~(CLONE_VFORK
| CLONE_VM
);
4373 if (flags
& CLONE_VM
) {
4374 TaskState
*parent_ts
= (TaskState
*)env
->opaque
;
4375 #if defined(CONFIG_USE_NPTL)
4376 new_thread_info info
;
4377 pthread_attr_t attr
;
4379 ts
= g_malloc0(sizeof(TaskState
));
4380 init_task_state(ts
);
4381 /* we create a new CPU instance. */
4382 new_env
= cpu_copy(env
);
4383 #if defined(TARGET_I386) || defined(TARGET_SPARC) || defined(TARGET_PPC)
4384 cpu_reset(ENV_GET_CPU(new_env
));
4386 /* Init regs that differ from the parent. */
4387 cpu_clone_regs(new_env
, newsp
);
4388 new_env
->opaque
= ts
;
4389 ts
->bprm
= parent_ts
->bprm
;
4390 ts
->info
= parent_ts
->info
;
4391 #if defined(CONFIG_USE_NPTL)
4393 flags
&= ~CLONE_NPTL_FLAGS2
;
4395 if (nptl_flags
& CLONE_CHILD_CLEARTID
) {
4396 ts
->child_tidptr
= child_tidptr
;
4399 if (nptl_flags
& CLONE_SETTLS
)
4400 cpu_set_tls (new_env
, newtls
);
4402 /* Grab a mutex so that thread setup appears atomic. */
4403 pthread_mutex_lock(&clone_lock
);
4405 memset(&info
, 0, sizeof(info
));
4406 pthread_mutex_init(&info
.mutex
, NULL
);
4407 pthread_mutex_lock(&info
.mutex
);
4408 pthread_cond_init(&info
.cond
, NULL
);
4410 if (nptl_flags
& CLONE_CHILD_SETTID
)
4411 info
.child_tidptr
= child_tidptr
;
4412 if (nptl_flags
& CLONE_PARENT_SETTID
)
4413 info
.parent_tidptr
= parent_tidptr
;
4415 ret
= pthread_attr_init(&attr
);
4416 ret
= pthread_attr_setstacksize(&attr
, NEW_STACK_SIZE
);
4417 ret
= pthread_attr_setdetachstate(&attr
, PTHREAD_CREATE_DETACHED
);
4418 /* It is not safe to deliver signals until the child has finished
4419 initializing, so temporarily block all signals. */
4420 sigfillset(&sigmask
);
4421 sigprocmask(SIG_BLOCK
, &sigmask
, &info
.sigmask
);
4423 ret
= pthread_create(&info
.thread
, &attr
, clone_func
, &info
);
4424 /* TODO: Free new CPU state if thread creation failed. */
4426 sigprocmask(SIG_SETMASK
, &info
.sigmask
, NULL
);
4427 pthread_attr_destroy(&attr
);
4429 /* Wait for the child to initialize. */
4430 pthread_cond_wait(&info
.cond
, &info
.mutex
);
4432 if (flags
& CLONE_PARENT_SETTID
)
4433 put_user_u32(ret
, parent_tidptr
);
4437 pthread_mutex_unlock(&info
.mutex
);
4438 pthread_cond_destroy(&info
.cond
);
4439 pthread_mutex_destroy(&info
.mutex
);
4440 pthread_mutex_unlock(&clone_lock
);
4442 if (flags
& CLONE_NPTL_FLAGS2
)
4444 /* This is probably going to die very quickly, but do it anyway. */
4445 new_stack
= g_malloc0 (NEW_STACK_SIZE
);
4447 ret
= __clone2(clone_func
, new_stack
, NEW_STACK_SIZE
, flags
, new_env
);
4449 ret
= clone(clone_func
, new_stack
+ NEW_STACK_SIZE
, flags
, new_env
);
4453 /* if no CLONE_VM, we consider it is a fork */
4454 if ((flags
& ~(CSIGNAL
| CLONE_NPTL_FLAGS2
)) != 0)
4459 /* Child Process. */
4460 cpu_clone_regs(env
, newsp
);
4462 #if defined(CONFIG_USE_NPTL)
4463 /* There is a race condition here. The parent process could
4464 theoretically read the TID in the child process before the child
4465 tid is set. This would require using either ptrace
4466 (not implemented) or having *_tidptr to point at a shared memory
4467 mapping. We can't repeat the spinlock hack used above because
4468 the child process gets its own copy of the lock. */
4469 if (flags
& CLONE_CHILD_SETTID
)
4470 put_user_u32(gettid(), child_tidptr
);
4471 if (flags
& CLONE_PARENT_SETTID
)
4472 put_user_u32(gettid(), parent_tidptr
);
4473 ts
= (TaskState
*)env
->opaque
;
4474 if (flags
& CLONE_SETTLS
)
4475 cpu_set_tls (env
, newtls
);
4476 if (flags
& CLONE_CHILD_CLEARTID
)
4477 ts
->child_tidptr
= child_tidptr
;
4486 /* warning : doesn't handle linux specific flags... */
4487 static int target_to_host_fcntl_cmd(int cmd
)
4490 case TARGET_F_DUPFD
:
4491 case TARGET_F_GETFD
:
4492 case TARGET_F_SETFD
:
4493 case TARGET_F_GETFL
:
4494 case TARGET_F_SETFL
:
4496 case TARGET_F_GETLK
:
4498 case TARGET_F_SETLK
:
4500 case TARGET_F_SETLKW
:
4502 case TARGET_F_GETOWN
:
4504 case TARGET_F_SETOWN
:
4506 case TARGET_F_GETSIG
:
4508 case TARGET_F_SETSIG
:
4510 #if TARGET_ABI_BITS == 32
4511 case TARGET_F_GETLK64
:
4513 case TARGET_F_SETLK64
:
4515 case TARGET_F_SETLKW64
:
4518 case TARGET_F_SETLEASE
:
4520 case TARGET_F_GETLEASE
:
4522 #ifdef F_DUPFD_CLOEXEC
4523 case TARGET_F_DUPFD_CLOEXEC
:
4524 return F_DUPFD_CLOEXEC
;
4526 case TARGET_F_NOTIFY
:
4529 return -TARGET_EINVAL
;
4531 return -TARGET_EINVAL
;
4534 #define TRANSTBL_CONVERT(a) { -1, TARGET_##a, -1, a }
4535 static const bitmask_transtbl flock_tbl
[] = {
4536 TRANSTBL_CONVERT(F_RDLCK
),
4537 TRANSTBL_CONVERT(F_WRLCK
),
4538 TRANSTBL_CONVERT(F_UNLCK
),
4539 TRANSTBL_CONVERT(F_EXLCK
),
4540 TRANSTBL_CONVERT(F_SHLCK
),
4544 static abi_long
do_fcntl(int fd
, int cmd
, abi_ulong arg
)
4547 struct target_flock
*target_fl
;
4548 struct flock64 fl64
;
4549 struct target_flock64
*target_fl64
;
4551 int host_cmd
= target_to_host_fcntl_cmd(cmd
);
4553 if (host_cmd
== -TARGET_EINVAL
)
4557 case TARGET_F_GETLK
:
4558 if (!lock_user_struct(VERIFY_READ
, target_fl
, arg
, 1))
4559 return -TARGET_EFAULT
;
4561 target_to_host_bitmask(tswap16(target_fl
->l_type
), flock_tbl
);
4562 fl
.l_whence
= tswap16(target_fl
->l_whence
);
4563 fl
.l_start
= tswapal(target_fl
->l_start
);
4564 fl
.l_len
= tswapal(target_fl
->l_len
);
4565 fl
.l_pid
= tswap32(target_fl
->l_pid
);
4566 unlock_user_struct(target_fl
, arg
, 0);
4567 ret
= get_errno(fcntl(fd
, host_cmd
, &fl
));
4569 if (!lock_user_struct(VERIFY_WRITE
, target_fl
, arg
, 0))
4570 return -TARGET_EFAULT
;
4572 host_to_target_bitmask(tswap16(fl
.l_type
), flock_tbl
);
4573 target_fl
->l_whence
= tswap16(fl
.l_whence
);
4574 target_fl
->l_start
= tswapal(fl
.l_start
);
4575 target_fl
->l_len
= tswapal(fl
.l_len
);
4576 target_fl
->l_pid
= tswap32(fl
.l_pid
);
4577 unlock_user_struct(target_fl
, arg
, 1);
4581 case TARGET_F_SETLK
:
4582 case TARGET_F_SETLKW
:
4583 if (!lock_user_struct(VERIFY_READ
, target_fl
, arg
, 1))
4584 return -TARGET_EFAULT
;
4586 target_to_host_bitmask(tswap16(target_fl
->l_type
), flock_tbl
);
4587 fl
.l_whence
= tswap16(target_fl
->l_whence
);
4588 fl
.l_start
= tswapal(target_fl
->l_start
);
4589 fl
.l_len
= tswapal(target_fl
->l_len
);
4590 fl
.l_pid
= tswap32(target_fl
->l_pid
);
4591 unlock_user_struct(target_fl
, arg
, 0);
4592 ret
= get_errno(fcntl(fd
, host_cmd
, &fl
));
4595 case TARGET_F_GETLK64
:
4596 if (!lock_user_struct(VERIFY_READ
, target_fl64
, arg
, 1))
4597 return -TARGET_EFAULT
;
4599 target_to_host_bitmask(tswap16(target_fl64
->l_type
), flock_tbl
) >> 1;
4600 fl64
.l_whence
= tswap16(target_fl64
->l_whence
);
4601 fl64
.l_start
= tswap64(target_fl64
->l_start
);
4602 fl64
.l_len
= tswap64(target_fl64
->l_len
);
4603 fl64
.l_pid
= tswap32(target_fl64
->l_pid
);
4604 unlock_user_struct(target_fl64
, arg
, 0);
4605 ret
= get_errno(fcntl(fd
, host_cmd
, &fl64
));
4607 if (!lock_user_struct(VERIFY_WRITE
, target_fl64
, arg
, 0))
4608 return -TARGET_EFAULT
;
4609 target_fl64
->l_type
=
4610 host_to_target_bitmask(tswap16(fl64
.l_type
), flock_tbl
) >> 1;
4611 target_fl64
->l_whence
= tswap16(fl64
.l_whence
);
4612 target_fl64
->l_start
= tswap64(fl64
.l_start
);
4613 target_fl64
->l_len
= tswap64(fl64
.l_len
);
4614 target_fl64
->l_pid
= tswap32(fl64
.l_pid
);
4615 unlock_user_struct(target_fl64
, arg
, 1);
4618 case TARGET_F_SETLK64
:
4619 case TARGET_F_SETLKW64
:
4620 if (!lock_user_struct(VERIFY_READ
, target_fl64
, arg
, 1))
4621 return -TARGET_EFAULT
;
4623 target_to_host_bitmask(tswap16(target_fl64
->l_type
), flock_tbl
) >> 1;
4624 fl64
.l_whence
= tswap16(target_fl64
->l_whence
);
4625 fl64
.l_start
= tswap64(target_fl64
->l_start
);
4626 fl64
.l_len
= tswap64(target_fl64
->l_len
);
4627 fl64
.l_pid
= tswap32(target_fl64
->l_pid
);
4628 unlock_user_struct(target_fl64
, arg
, 0);
4629 ret
= get_errno(fcntl(fd
, host_cmd
, &fl64
));
4632 case TARGET_F_GETFL
:
4633 ret
= get_errno(fcntl(fd
, host_cmd
, arg
));
4635 ret
= host_to_target_bitmask(ret
, fcntl_flags_tbl
);
4639 case TARGET_F_SETFL
:
4640 ret
= get_errno(fcntl(fd
, host_cmd
, target_to_host_bitmask(arg
, fcntl_flags_tbl
)));
4643 case TARGET_F_SETOWN
:
4644 case TARGET_F_GETOWN
:
4645 case TARGET_F_SETSIG
:
4646 case TARGET_F_GETSIG
:
4647 case TARGET_F_SETLEASE
:
4648 case TARGET_F_GETLEASE
:
4649 ret
= get_errno(fcntl(fd
, host_cmd
, arg
));
4653 ret
= get_errno(fcntl(fd
, cmd
, arg
));
4661 static inline int high2lowuid(int uid
)
4669 static inline int high2lowgid(int gid
)
4677 static inline int low2highuid(int uid
)
4679 if ((int16_t)uid
== -1)
4685 static inline int low2highgid(int gid
)
4687 if ((int16_t)gid
== -1)
4692 static inline int tswapid(int id
)
4696 #else /* !USE_UID16 */
4697 static inline int high2lowuid(int uid
)
4701 static inline int high2lowgid(int gid
)
4705 static inline int low2highuid(int uid
)
4709 static inline int low2highgid(int gid
)
4713 static inline int tswapid(int id
)
4717 #endif /* USE_UID16 */
4719 void syscall_init(void)
4722 const argtype
*arg_type
;
4726 #define STRUCT(name, ...) thunk_register_struct(STRUCT_ ## name, #name, struct_ ## name ## _def);
4727 #define STRUCT_SPECIAL(name) thunk_register_struct_direct(STRUCT_ ## name, #name, &struct_ ## name ## _def);
4728 #include "syscall_types.h"
4730 #undef STRUCT_SPECIAL
4732 /* Build target_to_host_errno_table[] table from
4733 * host_to_target_errno_table[]. */
4734 for (i
= 0; i
< ERRNO_TABLE_SIZE
; i
++) {
4735 target_to_host_errno_table
[host_to_target_errno_table
[i
]] = i
;
4738 /* we patch the ioctl size if necessary. We rely on the fact that
4739 no ioctl has all the bits at '1' in the size field */
4741 while (ie
->target_cmd
!= 0) {
4742 if (((ie
->target_cmd
>> TARGET_IOC_SIZESHIFT
) & TARGET_IOC_SIZEMASK
) ==
4743 TARGET_IOC_SIZEMASK
) {
4744 arg_type
= ie
->arg_type
;
4745 if (arg_type
[0] != TYPE_PTR
) {
4746 fprintf(stderr
, "cannot patch size for ioctl 0x%x\n",
4751 size
= thunk_type_size(arg_type
, 0);
4752 ie
->target_cmd
= (ie
->target_cmd
&
4753 ~(TARGET_IOC_SIZEMASK
<< TARGET_IOC_SIZESHIFT
)) |
4754 (size
<< TARGET_IOC_SIZESHIFT
);
4757 /* automatic consistency check if same arch */
4758 #if (defined(__i386__) && defined(TARGET_I386) && defined(TARGET_ABI32)) || \
4759 (defined(__x86_64__) && defined(TARGET_X86_64))
4760 if (unlikely(ie
->target_cmd
!= ie
->host_cmd
)) {
4761 fprintf(stderr
, "ERROR: ioctl(%s): target=0x%x host=0x%x\n",
4762 ie
->name
, ie
->target_cmd
, ie
->host_cmd
);
4769 #if TARGET_ABI_BITS == 32
4770 static inline uint64_t target_offset64(uint32_t word0
, uint32_t word1
)
4772 #ifdef TARGET_WORDS_BIGENDIAN
4773 return ((uint64_t)word0
<< 32) | word1
;
4775 return ((uint64_t)word1
<< 32) | word0
;
4778 #else /* TARGET_ABI_BITS == 32 */
4779 static inline uint64_t target_offset64(uint64_t word0
, uint64_t word1
)
4783 #endif /* TARGET_ABI_BITS != 32 */
4785 #ifdef TARGET_NR_truncate64
4786 static inline abi_long
target_truncate64(void *cpu_env
, const char *arg1
,
4791 if (regpairs_aligned(cpu_env
)) {
4795 return get_errno(truncate64(arg1
, target_offset64(arg2
, arg3
)));
4799 #ifdef TARGET_NR_ftruncate64
4800 static inline abi_long
target_ftruncate64(void *cpu_env
, abi_long arg1
,
4805 if (regpairs_aligned(cpu_env
)) {
4809 return get_errno(ftruncate64(arg1
, target_offset64(arg2
, arg3
)));
4813 static inline abi_long
target_to_host_timespec(struct timespec
*host_ts
,
4814 abi_ulong target_addr
)
4816 struct target_timespec
*target_ts
;
4818 if (!lock_user_struct(VERIFY_READ
, target_ts
, target_addr
, 1))
4819 return -TARGET_EFAULT
;
4820 host_ts
->tv_sec
= tswapal(target_ts
->tv_sec
);
4821 host_ts
->tv_nsec
= tswapal(target_ts
->tv_nsec
);
4822 unlock_user_struct(target_ts
, target_addr
, 0);
4826 static inline abi_long
host_to_target_timespec(abi_ulong target_addr
,
4827 struct timespec
*host_ts
)
4829 struct target_timespec
*target_ts
;
4831 if (!lock_user_struct(VERIFY_WRITE
, target_ts
, target_addr
, 0))
4832 return -TARGET_EFAULT
;
4833 target_ts
->tv_sec
= tswapal(host_ts
->tv_sec
);
4834 target_ts
->tv_nsec
= tswapal(host_ts
->tv_nsec
);
4835 unlock_user_struct(target_ts
, target_addr
, 1);
4839 #if defined(TARGET_NR_stat64) || defined(TARGET_NR_newfstatat)
4840 static inline abi_long
host_to_target_stat64(void *cpu_env
,
4841 abi_ulong target_addr
,
4842 struct stat
*host_st
)
4845 if (((CPUARMState
*)cpu_env
)->eabi
) {
4846 struct target_eabi_stat64
*target_st
;
4848 if (!lock_user_struct(VERIFY_WRITE
, target_st
, target_addr
, 0))
4849 return -TARGET_EFAULT
;
4850 memset(target_st
, 0, sizeof(struct target_eabi_stat64
));
4851 __put_user(host_st
->st_dev
, &target_st
->st_dev
);
4852 __put_user(host_st
->st_ino
, &target_st
->st_ino
);
4853 #ifdef TARGET_STAT64_HAS_BROKEN_ST_INO
4854 __put_user(host_st
->st_ino
, &target_st
->__st_ino
);
4856 __put_user(host_st
->st_mode
, &target_st
->st_mode
);
4857 __put_user(host_st
->st_nlink
, &target_st
->st_nlink
);
4858 __put_user(host_st
->st_uid
, &target_st
->st_uid
);
4859 __put_user(host_st
->st_gid
, &target_st
->st_gid
);
4860 __put_user(host_st
->st_rdev
, &target_st
->st_rdev
);
4861 __put_user(host_st
->st_size
, &target_st
->st_size
);
4862 __put_user(host_st
->st_blksize
, &target_st
->st_blksize
);
4863 __put_user(host_st
->st_blocks
, &target_st
->st_blocks
);
4864 __put_user(host_st
->st_atime
, &target_st
->target_st_atime
);
4865 __put_user(host_st
->st_mtime
, &target_st
->target_st_mtime
);
4866 __put_user(host_st
->st_ctime
, &target_st
->target_st_ctime
);
4867 unlock_user_struct(target_st
, target_addr
, 1);
4871 #if TARGET_ABI_BITS == 64 && !defined(TARGET_ALPHA)
4872 struct target_stat
*target_st
;
4874 struct target_stat64
*target_st
;
4877 if (!lock_user_struct(VERIFY_WRITE
, target_st
, target_addr
, 0))
4878 return -TARGET_EFAULT
;
4879 memset(target_st
, 0, sizeof(*target_st
));
4880 __put_user(host_st
->st_dev
, &target_st
->st_dev
);
4881 __put_user(host_st
->st_ino
, &target_st
->st_ino
);
4882 #ifdef TARGET_STAT64_HAS_BROKEN_ST_INO
4883 __put_user(host_st
->st_ino
, &target_st
->__st_ino
);
4885 __put_user(host_st
->st_mode
, &target_st
->st_mode
);
4886 __put_user(host_st
->st_nlink
, &target_st
->st_nlink
);
4887 __put_user(host_st
->st_uid
, &target_st
->st_uid
);
4888 __put_user(host_st
->st_gid
, &target_st
->st_gid
);
4889 __put_user(host_st
->st_rdev
, &target_st
->st_rdev
);
4890 /* XXX: better use of kernel struct */
4891 __put_user(host_st
->st_size
, &target_st
->st_size
);
4892 __put_user(host_st
->st_blksize
, &target_st
->st_blksize
);
4893 __put_user(host_st
->st_blocks
, &target_st
->st_blocks
);
4894 __put_user(host_st
->st_atime
, &target_st
->target_st_atime
);
4895 __put_user(host_st
->st_mtime
, &target_st
->target_st_mtime
);
4896 __put_user(host_st
->st_ctime
, &target_st
->target_st_ctime
);
4897 unlock_user_struct(target_st
, target_addr
, 1);
4904 #if defined(CONFIG_USE_NPTL)
4905 /* ??? Using host futex calls even when target atomic operations
4906 are not really atomic probably breaks things. However implementing
4907 futexes locally would make futexes shared between multiple processes
4908 tricky. However they're probably useless because guest atomic
4909 operations won't work either. */
4910 static int do_futex(target_ulong uaddr
, int op
, int val
, target_ulong timeout
,
4911 target_ulong uaddr2
, int val3
)
4913 struct timespec ts
, *pts
;
4916 /* ??? We assume FUTEX_* constants are the same on both host
4918 #ifdef FUTEX_CMD_MASK
4919 base_op
= op
& FUTEX_CMD_MASK
;
4925 case FUTEX_WAIT_BITSET
:
4928 target_to_host_timespec(pts
, timeout
);
4932 return get_errno(sys_futex(g2h(uaddr
), op
, tswap32(val
),
4935 return get_errno(sys_futex(g2h(uaddr
), op
, val
, NULL
, NULL
, 0));
4937 return get_errno(sys_futex(g2h(uaddr
), op
, val
, NULL
, NULL
, 0));
4939 case FUTEX_CMP_REQUEUE
:
4941 /* For FUTEX_REQUEUE, FUTEX_CMP_REQUEUE, and FUTEX_WAKE_OP, the
4942 TIMEOUT parameter is interpreted as a uint32_t by the kernel.
4943 But the prototype takes a `struct timespec *'; insert casts
4944 to satisfy the compiler. We do not need to tswap TIMEOUT
4945 since it's not compared to guest memory. */
4946 pts
= (struct timespec
*)(uintptr_t) timeout
;
4947 return get_errno(sys_futex(g2h(uaddr
), op
, val
, pts
,
4949 (base_op
== FUTEX_CMP_REQUEUE
4953 return -TARGET_ENOSYS
;
4958 /* Map host to target signal numbers for the wait family of syscalls.
4959 Assume all other status bits are the same. */
4960 int host_to_target_waitstatus(int status
)
4962 if (WIFSIGNALED(status
)) {
4963 return host_to_target_signal(WTERMSIG(status
)) | (status
& ~0x7f);
4965 if (WIFSTOPPED(status
)) {
4966 return (host_to_target_signal(WSTOPSIG(status
)) << 8)
4972 int get_osversion(void)
4974 static int osversion
;
4975 struct new_utsname buf
;
4980 if (qemu_uname_release
&& *qemu_uname_release
) {
4981 s
= qemu_uname_release
;
4983 if (sys_uname(&buf
))
4988 for (i
= 0; i
< 3; i
++) {
4990 while (*s
>= '0' && *s
<= '9') {
4995 tmp
= (tmp
<< 8) + n
;
5004 static int open_self_maps(void *cpu_env
, int fd
)
5006 #if defined(TARGET_ARM) || defined(TARGET_M68K) || defined(TARGET_UNICORE32)
5007 TaskState
*ts
= ((CPUArchState
*)cpu_env
)->opaque
;
5014 fp
= fopen("/proc/self/maps", "r");
5019 while ((read
= getline(&line
, &len
, fp
)) != -1) {
5020 int fields
, dev_maj
, dev_min
, inode
;
5021 uint64_t min
, max
, offset
;
5022 char flag_r
, flag_w
, flag_x
, flag_p
;
5023 char path
[512] = "";
5024 fields
= sscanf(line
, "%"PRIx64
"-%"PRIx64
" %c%c%c%c %"PRIx64
" %x:%x %d"
5025 " %512s", &min
, &max
, &flag_r
, &flag_w
, &flag_x
,
5026 &flag_p
, &offset
, &dev_maj
, &dev_min
, &inode
, path
);
5028 if ((fields
< 10) || (fields
> 11)) {
5031 if (!strncmp(path
, "[stack]", 7)) {
5034 if (h2g_valid(min
) && h2g_valid(max
)) {
5035 dprintf(fd
, TARGET_ABI_FMT_lx
"-" TARGET_ABI_FMT_lx
5036 " %c%c%c%c %08" PRIx64
" %02x:%02x %d%s%s\n",
5037 h2g(min
), h2g(max
), flag_r
, flag_w
,
5038 flag_x
, flag_p
, offset
, dev_maj
, dev_min
, inode
,
5039 path
[0] ? " " : "", path
);
5046 #if defined(TARGET_ARM) || defined(TARGET_M68K) || defined(TARGET_UNICORE32)
5047 dprintf(fd
, "%08llx-%08llx rw-p %08llx 00:00 0 [stack]\n",
5048 (unsigned long long)ts
->info
->stack_limit
,
5049 (unsigned long long)(ts
->info
->start_stack
+
5050 (TARGET_PAGE_SIZE
- 1)) & TARGET_PAGE_MASK
,
5051 (unsigned long long)0);
5057 static int open_self_stat(void *cpu_env
, int fd
)
5059 TaskState
*ts
= ((CPUArchState
*)cpu_env
)->opaque
;
5060 abi_ulong start_stack
= ts
->info
->start_stack
;
5063 for (i
= 0; i
< 44; i
++) {
5071 snprintf(buf
, sizeof(buf
), "%"PRId64
" ", val
);
5072 } else if (i
== 1) {
5074 snprintf(buf
, sizeof(buf
), "(%s) ", ts
->bprm
->argv
[0]);
5075 } else if (i
== 27) {
5078 snprintf(buf
, sizeof(buf
), "%"PRId64
" ", val
);
5080 /* for the rest, there is MasterCard */
5081 snprintf(buf
, sizeof(buf
), "0%c", i
== 43 ? '\n' : ' ');
5085 if (write(fd
, buf
, len
) != len
) {
5093 static int open_self_auxv(void *cpu_env
, int fd
)
5095 TaskState
*ts
= ((CPUArchState
*)cpu_env
)->opaque
;
5096 abi_ulong auxv
= ts
->info
->saved_auxv
;
5097 abi_ulong len
= ts
->info
->auxv_len
;
5101 * Auxiliary vector is stored in target process stack.
5102 * read in whole auxv vector and copy it to file
5104 ptr
= lock_user(VERIFY_READ
, auxv
, len
, 0);
5108 r
= write(fd
, ptr
, len
);
5115 lseek(fd
, 0, SEEK_SET
);
5116 unlock_user(ptr
, auxv
, len
);
5122 static int do_open(void *cpu_env
, const char *pathname
, int flags
, mode_t mode
)
5125 const char *filename
;
5126 int (*fill
)(void *cpu_env
, int fd
);
5128 const struct fake_open
*fake_open
;
5129 static const struct fake_open fakes
[] = {
5130 { "/proc/self/maps", open_self_maps
},
5131 { "/proc/self/stat", open_self_stat
},
5132 { "/proc/self/auxv", open_self_auxv
},
5136 for (fake_open
= fakes
; fake_open
->filename
; fake_open
++) {
5137 if (!strncmp(pathname
, fake_open
->filename
,
5138 strlen(fake_open
->filename
))) {
5143 if (fake_open
->filename
) {
5145 char filename
[PATH_MAX
];
5148 /* create temporary file to map stat to */
5149 tmpdir
= getenv("TMPDIR");
5152 snprintf(filename
, sizeof(filename
), "%s/qemu-open.XXXXXX", tmpdir
);
5153 fd
= mkstemp(filename
);
5159 if ((r
= fake_open
->fill(cpu_env
, fd
))) {
5163 lseek(fd
, 0, SEEK_SET
);
5168 return get_errno(open(path(pathname
), flags
, mode
));
5171 /* do_syscall() should always have a single exit point at the end so
5172 that actions, such as logging of syscall results, can be performed.
5173 All errnos that do_syscall() returns must be -TARGET_<errcode>. */
5174 abi_long
do_syscall(void *cpu_env
, int num
, abi_long arg1
,
5175 abi_long arg2
, abi_long arg3
, abi_long arg4
,
5176 abi_long arg5
, abi_long arg6
, abi_long arg7
,
5185 gemu_log("syscall %d", num
);
5188 print_syscall(num
, arg1
, arg2
, arg3
, arg4
, arg5
, arg6
);
5191 case TARGET_NR_exit
:
5192 #ifdef CONFIG_USE_NPTL
5193 /* In old applications this may be used to implement _exit(2).
5194 However in threaded applictions it is used for thread termination,
5195 and _exit_group is used for application termination.
5196 Do thread termination if we have more then one thread. */
5197 /* FIXME: This probably breaks if a signal arrives. We should probably
5198 be disabling signals. */
5199 if (first_cpu
->next_cpu
) {
5201 CPUArchState
**lastp
;
5207 while (p
&& p
!= (CPUArchState
*)cpu_env
) {
5208 lastp
= &p
->next_cpu
;
5211 /* If we didn't find the CPU for this thread then something is
5215 /* Remove the CPU from the list. */
5216 *lastp
= p
->next_cpu
;
5218 ts
= ((CPUArchState
*)cpu_env
)->opaque
;
5219 if (ts
->child_tidptr
) {
5220 put_user_u32(0, ts
->child_tidptr
);
5221 sys_futex(g2h(ts
->child_tidptr
), FUTEX_WAKE
, INT_MAX
,
5225 object_unref(OBJECT(ENV_GET_CPU(cpu_env
)));
5233 gdb_exit(cpu_env
, arg1
);
5235 ret
= 0; /* avoid warning */
5237 case TARGET_NR_read
:
5241 if (!(p
= lock_user(VERIFY_WRITE
, arg2
, arg3
, 0)))
5243 ret
= get_errno(read(arg1
, p
, arg3
));
5244 unlock_user(p
, arg2
, ret
);
5247 case TARGET_NR_write
:
5248 if (!(p
= lock_user(VERIFY_READ
, arg2
, arg3
, 1)))
5250 ret
= get_errno(write(arg1
, p
, arg3
));
5251 unlock_user(p
, arg2
, 0);
5253 case TARGET_NR_open
:
5254 if (!(p
= lock_user_string(arg1
)))
5256 ret
= get_errno(do_open(cpu_env
, p
,
5257 target_to_host_bitmask(arg2
, fcntl_flags_tbl
),
5259 unlock_user(p
, arg1
, 0);
5261 #if defined(TARGET_NR_openat) && defined(__NR_openat)
5262 case TARGET_NR_openat
:
5263 if (!(p
= lock_user_string(arg2
)))
5265 ret
= get_errno(sys_openat(arg1
,
5267 target_to_host_bitmask(arg3
, fcntl_flags_tbl
),
5269 unlock_user(p
, arg2
, 0);
5272 case TARGET_NR_close
:
5273 ret
= get_errno(close(arg1
));
5278 case TARGET_NR_fork
:
5279 ret
= get_errno(do_fork(cpu_env
, SIGCHLD
, 0, 0, 0, 0));
5281 #ifdef TARGET_NR_waitpid
5282 case TARGET_NR_waitpid
:
5285 ret
= get_errno(waitpid(arg1
, &status
, arg3
));
5286 if (!is_error(ret
) && arg2
&& ret
5287 && put_user_s32(host_to_target_waitstatus(status
), arg2
))
5292 #ifdef TARGET_NR_waitid
5293 case TARGET_NR_waitid
:
5297 ret
= get_errno(waitid(arg1
, arg2
, &info
, arg4
));
5298 if (!is_error(ret
) && arg3
&& info
.si_pid
!= 0) {
5299 if (!(p
= lock_user(VERIFY_WRITE
, arg3
, sizeof(target_siginfo_t
), 0)))
5301 host_to_target_siginfo(p
, &info
);
5302 unlock_user(p
, arg3
, sizeof(target_siginfo_t
));
5307 #ifdef TARGET_NR_creat /* not on alpha */
5308 case TARGET_NR_creat
:
5309 if (!(p
= lock_user_string(arg1
)))
5311 ret
= get_errno(creat(p
, arg2
));
5312 unlock_user(p
, arg1
, 0);
5315 case TARGET_NR_link
:
5318 p
= lock_user_string(arg1
);
5319 p2
= lock_user_string(arg2
);
5321 ret
= -TARGET_EFAULT
;
5323 ret
= get_errno(link(p
, p2
));
5324 unlock_user(p2
, arg2
, 0);
5325 unlock_user(p
, arg1
, 0);
5328 #if defined(TARGET_NR_linkat) && defined(__NR_linkat)
5329 case TARGET_NR_linkat
:
5334 p
= lock_user_string(arg2
);
5335 p2
= lock_user_string(arg4
);
5337 ret
= -TARGET_EFAULT
;
5339 ret
= get_errno(sys_linkat(arg1
, p
, arg3
, p2
, arg5
));
5340 unlock_user(p
, arg2
, 0);
5341 unlock_user(p2
, arg4
, 0);
5345 case TARGET_NR_unlink
:
5346 if (!(p
= lock_user_string(arg1
)))
5348 ret
= get_errno(unlink(p
));
5349 unlock_user(p
, arg1
, 0);
5351 #if defined(TARGET_NR_unlinkat) && defined(__NR_unlinkat)
5352 case TARGET_NR_unlinkat
:
5353 if (!(p
= lock_user_string(arg2
)))
5355 ret
= get_errno(sys_unlinkat(arg1
, p
, arg3
));
5356 unlock_user(p
, arg2
, 0);
5359 case TARGET_NR_execve
:
5361 char **argp
, **envp
;
5364 abi_ulong guest_argp
;
5365 abi_ulong guest_envp
;
5372 for (gp
= guest_argp
; gp
; gp
+= sizeof(abi_ulong
)) {
5373 if (get_user_ual(addr
, gp
))
5381 for (gp
= guest_envp
; gp
; gp
+= sizeof(abi_ulong
)) {
5382 if (get_user_ual(addr
, gp
))
5389 argp
= alloca((argc
+ 1) * sizeof(void *));
5390 envp
= alloca((envc
+ 1) * sizeof(void *));
5392 for (gp
= guest_argp
, q
= argp
; gp
;
5393 gp
+= sizeof(abi_ulong
), q
++) {
5394 if (get_user_ual(addr
, gp
))
5398 if (!(*q
= lock_user_string(addr
)))
5400 total_size
+= strlen(*q
) + 1;
5404 for (gp
= guest_envp
, q
= envp
; gp
;
5405 gp
+= sizeof(abi_ulong
), q
++) {
5406 if (get_user_ual(addr
, gp
))
5410 if (!(*q
= lock_user_string(addr
)))
5412 total_size
+= strlen(*q
) + 1;
5416 /* This case will not be caught by the host's execve() if its
5417 page size is bigger than the target's. */
5418 if (total_size
> MAX_ARG_PAGES
* TARGET_PAGE_SIZE
) {
5419 ret
= -TARGET_E2BIG
;
5422 if (!(p
= lock_user_string(arg1
)))
5424 ret
= get_errno(execve(p
, argp
, envp
));
5425 unlock_user(p
, arg1
, 0);
5430 ret
= -TARGET_EFAULT
;
5433 for (gp
= guest_argp
, q
= argp
; *q
;
5434 gp
+= sizeof(abi_ulong
), q
++) {
5435 if (get_user_ual(addr
, gp
)
5438 unlock_user(*q
, addr
, 0);
5440 for (gp
= guest_envp
, q
= envp
; *q
;
5441 gp
+= sizeof(abi_ulong
), q
++) {
5442 if (get_user_ual(addr
, gp
)
5445 unlock_user(*q
, addr
, 0);
5449 case TARGET_NR_chdir
:
5450 if (!(p
= lock_user_string(arg1
)))
5452 ret
= get_errno(chdir(p
));
5453 unlock_user(p
, arg1
, 0);
5455 #ifdef TARGET_NR_time
5456 case TARGET_NR_time
:
5459 ret
= get_errno(time(&host_time
));
5462 && put_user_sal(host_time
, arg1
))
5467 case TARGET_NR_mknod
:
5468 if (!(p
= lock_user_string(arg1
)))
5470 ret
= get_errno(mknod(p
, arg2
, arg3
));
5471 unlock_user(p
, arg1
, 0);
5473 #if defined(TARGET_NR_mknodat) && defined(__NR_mknodat)
5474 case TARGET_NR_mknodat
:
5475 if (!(p
= lock_user_string(arg2
)))
5477 ret
= get_errno(sys_mknodat(arg1
, p
, arg3
, arg4
));
5478 unlock_user(p
, arg2
, 0);
5481 case TARGET_NR_chmod
:
5482 if (!(p
= lock_user_string(arg1
)))
5484 ret
= get_errno(chmod(p
, arg2
));
5485 unlock_user(p
, arg1
, 0);
5487 #ifdef TARGET_NR_break
5488 case TARGET_NR_break
:
5491 #ifdef TARGET_NR_oldstat
5492 case TARGET_NR_oldstat
:
5495 case TARGET_NR_lseek
:
5496 ret
= get_errno(lseek(arg1
, arg2
, arg3
));
5498 #if defined(TARGET_NR_getxpid) && defined(TARGET_ALPHA)
5499 /* Alpha specific */
5500 case TARGET_NR_getxpid
:
5501 ((CPUAlphaState
*)cpu_env
)->ir
[IR_A4
] = getppid();
5502 ret
= get_errno(getpid());
5505 #ifdef TARGET_NR_getpid
5506 case TARGET_NR_getpid
:
5507 ret
= get_errno(getpid());
5510 case TARGET_NR_mount
:
5512 /* need to look at the data field */
5514 p
= lock_user_string(arg1
);
5515 p2
= lock_user_string(arg2
);
5516 p3
= lock_user_string(arg3
);
5517 if (!p
|| !p2
|| !p3
)
5518 ret
= -TARGET_EFAULT
;
5520 /* FIXME - arg5 should be locked, but it isn't clear how to
5521 * do that since it's not guaranteed to be a NULL-terminated
5525 ret
= get_errno(mount(p
, p2
, p3
, (unsigned long)arg4
, NULL
));
5527 ret
= get_errno(mount(p
, p2
, p3
, (unsigned long)arg4
, g2h(arg5
)));
5529 unlock_user(p
, arg1
, 0);
5530 unlock_user(p2
, arg2
, 0);
5531 unlock_user(p3
, arg3
, 0);
5534 #ifdef TARGET_NR_umount
5535 case TARGET_NR_umount
:
5536 if (!(p
= lock_user_string(arg1
)))
5538 ret
= get_errno(umount(p
));
5539 unlock_user(p
, arg1
, 0);
5542 #ifdef TARGET_NR_stime /* not on alpha */
5543 case TARGET_NR_stime
:
5546 if (get_user_sal(host_time
, arg1
))
5548 ret
= get_errno(stime(&host_time
));
5552 case TARGET_NR_ptrace
:
5554 #ifdef TARGET_NR_alarm /* not on alpha */
5555 case TARGET_NR_alarm
:
5559 #ifdef TARGET_NR_oldfstat
5560 case TARGET_NR_oldfstat
:
5563 #ifdef TARGET_NR_pause /* not on alpha */
5564 case TARGET_NR_pause
:
5565 ret
= get_errno(pause());
5568 #ifdef TARGET_NR_utime
5569 case TARGET_NR_utime
:
5571 struct utimbuf tbuf
, *host_tbuf
;
5572 struct target_utimbuf
*target_tbuf
;
5574 if (!lock_user_struct(VERIFY_READ
, target_tbuf
, arg2
, 1))
5576 tbuf
.actime
= tswapal(target_tbuf
->actime
);
5577 tbuf
.modtime
= tswapal(target_tbuf
->modtime
);
5578 unlock_user_struct(target_tbuf
, arg2
, 0);
5583 if (!(p
= lock_user_string(arg1
)))
5585 ret
= get_errno(utime(p
, host_tbuf
));
5586 unlock_user(p
, arg1
, 0);
5590 case TARGET_NR_utimes
:
5592 struct timeval
*tvp
, tv
[2];
5594 if (copy_from_user_timeval(&tv
[0], arg2
)
5595 || copy_from_user_timeval(&tv
[1],
5596 arg2
+ sizeof(struct target_timeval
)))
5602 if (!(p
= lock_user_string(arg1
)))
5604 ret
= get_errno(utimes(p
, tvp
));
5605 unlock_user(p
, arg1
, 0);
5608 #if defined(TARGET_NR_futimesat) && defined(__NR_futimesat)
5609 case TARGET_NR_futimesat
:
5611 struct timeval
*tvp
, tv
[2];
5613 if (copy_from_user_timeval(&tv
[0], arg3
)
5614 || copy_from_user_timeval(&tv
[1],
5615 arg3
+ sizeof(struct target_timeval
)))
5621 if (!(p
= lock_user_string(arg2
)))
5623 ret
= get_errno(sys_futimesat(arg1
, path(p
), tvp
));
5624 unlock_user(p
, arg2
, 0);
5628 #ifdef TARGET_NR_stty
5629 case TARGET_NR_stty
:
5632 #ifdef TARGET_NR_gtty
5633 case TARGET_NR_gtty
:
5636 case TARGET_NR_access
:
5637 if (!(p
= lock_user_string(arg1
)))
5639 ret
= get_errno(access(path(p
), arg2
));
5640 unlock_user(p
, arg1
, 0);
5642 #if defined(TARGET_NR_faccessat) && defined(__NR_faccessat)
5643 case TARGET_NR_faccessat
:
5644 if (!(p
= lock_user_string(arg2
)))
5646 ret
= get_errno(sys_faccessat(arg1
, p
, arg3
));
5647 unlock_user(p
, arg2
, 0);
5650 #ifdef TARGET_NR_nice /* not on alpha */
5651 case TARGET_NR_nice
:
5652 ret
= get_errno(nice(arg1
));
5655 #ifdef TARGET_NR_ftime
5656 case TARGET_NR_ftime
:
5659 case TARGET_NR_sync
:
5663 case TARGET_NR_kill
:
5664 ret
= get_errno(kill(arg1
, target_to_host_signal(arg2
)));
5666 case TARGET_NR_rename
:
5669 p
= lock_user_string(arg1
);
5670 p2
= lock_user_string(arg2
);
5672 ret
= -TARGET_EFAULT
;
5674 ret
= get_errno(rename(p
, p2
));
5675 unlock_user(p2
, arg2
, 0);
5676 unlock_user(p
, arg1
, 0);
5679 #if defined(TARGET_NR_renameat) && defined(__NR_renameat)
5680 case TARGET_NR_renameat
:
5683 p
= lock_user_string(arg2
);
5684 p2
= lock_user_string(arg4
);
5686 ret
= -TARGET_EFAULT
;
5688 ret
= get_errno(sys_renameat(arg1
, p
, arg3
, p2
));
5689 unlock_user(p2
, arg4
, 0);
5690 unlock_user(p
, arg2
, 0);
5694 case TARGET_NR_mkdir
:
5695 if (!(p
= lock_user_string(arg1
)))
5697 ret
= get_errno(mkdir(p
, arg2
));
5698 unlock_user(p
, arg1
, 0);
5700 #if defined(TARGET_NR_mkdirat) && defined(__NR_mkdirat)
5701 case TARGET_NR_mkdirat
:
5702 if (!(p
= lock_user_string(arg2
)))
5704 ret
= get_errno(sys_mkdirat(arg1
, p
, arg3
));
5705 unlock_user(p
, arg2
, 0);
5708 case TARGET_NR_rmdir
:
5709 if (!(p
= lock_user_string(arg1
)))
5711 ret
= get_errno(rmdir(p
));
5712 unlock_user(p
, arg1
, 0);
5715 ret
= get_errno(dup(arg1
));
5717 case TARGET_NR_pipe
:
5718 ret
= do_pipe(cpu_env
, arg1
, 0, 0);
5720 #ifdef TARGET_NR_pipe2
5721 case TARGET_NR_pipe2
:
5722 ret
= do_pipe(cpu_env
, arg1
,
5723 target_to_host_bitmask(arg2
, fcntl_flags_tbl
), 1);
5726 case TARGET_NR_times
:
5728 struct target_tms
*tmsp
;
5730 ret
= get_errno(times(&tms
));
5732 tmsp
= lock_user(VERIFY_WRITE
, arg1
, sizeof(struct target_tms
), 0);
5735 tmsp
->tms_utime
= tswapal(host_to_target_clock_t(tms
.tms_utime
));
5736 tmsp
->tms_stime
= tswapal(host_to_target_clock_t(tms
.tms_stime
));
5737 tmsp
->tms_cutime
= tswapal(host_to_target_clock_t(tms
.tms_cutime
));
5738 tmsp
->tms_cstime
= tswapal(host_to_target_clock_t(tms
.tms_cstime
));
5741 ret
= host_to_target_clock_t(ret
);
5744 #ifdef TARGET_NR_prof
5745 case TARGET_NR_prof
:
5748 #ifdef TARGET_NR_signal
5749 case TARGET_NR_signal
:
5752 case TARGET_NR_acct
:
5754 ret
= get_errno(acct(NULL
));
5756 if (!(p
= lock_user_string(arg1
)))
5758 ret
= get_errno(acct(path(p
)));
5759 unlock_user(p
, arg1
, 0);
5762 #ifdef TARGET_NR_umount2 /* not on alpha */
5763 case TARGET_NR_umount2
:
5764 if (!(p
= lock_user_string(arg1
)))
5766 ret
= get_errno(umount2(p
, arg2
));
5767 unlock_user(p
, arg1
, 0);
5770 #ifdef TARGET_NR_lock
5771 case TARGET_NR_lock
:
5774 case TARGET_NR_ioctl
:
5775 ret
= do_ioctl(arg1
, arg2
, arg3
);
5777 case TARGET_NR_fcntl
:
5778 ret
= do_fcntl(arg1
, arg2
, arg3
);
5780 #ifdef TARGET_NR_mpx
5784 case TARGET_NR_setpgid
:
5785 ret
= get_errno(setpgid(arg1
, arg2
));
5787 #ifdef TARGET_NR_ulimit
5788 case TARGET_NR_ulimit
:
5791 #ifdef TARGET_NR_oldolduname
5792 case TARGET_NR_oldolduname
:
5795 case TARGET_NR_umask
:
5796 ret
= get_errno(umask(arg1
));
5798 case TARGET_NR_chroot
:
5799 if (!(p
= lock_user_string(arg1
)))
5801 ret
= get_errno(chroot(p
));
5802 unlock_user(p
, arg1
, 0);
5804 case TARGET_NR_ustat
:
5806 case TARGET_NR_dup2
:
5807 ret
= get_errno(dup2(arg1
, arg2
));
5809 #if defined(CONFIG_DUP3) && defined(TARGET_NR_dup3)
5810 case TARGET_NR_dup3
:
5811 ret
= get_errno(dup3(arg1
, arg2
, arg3
));
5814 #ifdef TARGET_NR_getppid /* not on alpha */
5815 case TARGET_NR_getppid
:
5816 ret
= get_errno(getppid());
5819 case TARGET_NR_getpgrp
:
5820 ret
= get_errno(getpgrp());
5822 case TARGET_NR_setsid
:
5823 ret
= get_errno(setsid());
5825 #ifdef TARGET_NR_sigaction
5826 case TARGET_NR_sigaction
:
5828 #if defined(TARGET_ALPHA)
5829 struct target_sigaction act
, oact
, *pact
= 0;
5830 struct target_old_sigaction
*old_act
;
5832 if (!lock_user_struct(VERIFY_READ
, old_act
, arg2
, 1))
5834 act
._sa_handler
= old_act
->_sa_handler
;
5835 target_siginitset(&act
.sa_mask
, old_act
->sa_mask
);
5836 act
.sa_flags
= old_act
->sa_flags
;
5837 act
.sa_restorer
= 0;
5838 unlock_user_struct(old_act
, arg2
, 0);
5841 ret
= get_errno(do_sigaction(arg1
, pact
, &oact
));
5842 if (!is_error(ret
) && arg3
) {
5843 if (!lock_user_struct(VERIFY_WRITE
, old_act
, arg3
, 0))
5845 old_act
->_sa_handler
= oact
._sa_handler
;
5846 old_act
->sa_mask
= oact
.sa_mask
.sig
[0];
5847 old_act
->sa_flags
= oact
.sa_flags
;
5848 unlock_user_struct(old_act
, arg3
, 1);
5850 #elif defined(TARGET_MIPS)
5851 struct target_sigaction act
, oact
, *pact
, *old_act
;
5854 if (!lock_user_struct(VERIFY_READ
, old_act
, arg2
, 1))
5856 act
._sa_handler
= old_act
->_sa_handler
;
5857 target_siginitset(&act
.sa_mask
, old_act
->sa_mask
.sig
[0]);
5858 act
.sa_flags
= old_act
->sa_flags
;
5859 unlock_user_struct(old_act
, arg2
, 0);
5865 ret
= get_errno(do_sigaction(arg1
, pact
, &oact
));
5867 if (!is_error(ret
) && arg3
) {
5868 if (!lock_user_struct(VERIFY_WRITE
, old_act
, arg3
, 0))
5870 old_act
->_sa_handler
= oact
._sa_handler
;
5871 old_act
->sa_flags
= oact
.sa_flags
;
5872 old_act
->sa_mask
.sig
[0] = oact
.sa_mask
.sig
[0];
5873 old_act
->sa_mask
.sig
[1] = 0;
5874 old_act
->sa_mask
.sig
[2] = 0;
5875 old_act
->sa_mask
.sig
[3] = 0;
5876 unlock_user_struct(old_act
, arg3
, 1);
5879 struct target_old_sigaction
*old_act
;
5880 struct target_sigaction act
, oact
, *pact
;
5882 if (!lock_user_struct(VERIFY_READ
, old_act
, arg2
, 1))
5884 act
._sa_handler
= old_act
->_sa_handler
;
5885 target_siginitset(&act
.sa_mask
, old_act
->sa_mask
);
5886 act
.sa_flags
= old_act
->sa_flags
;
5887 act
.sa_restorer
= old_act
->sa_restorer
;
5888 unlock_user_struct(old_act
, arg2
, 0);
5893 ret
= get_errno(do_sigaction(arg1
, pact
, &oact
));
5894 if (!is_error(ret
) && arg3
) {
5895 if (!lock_user_struct(VERIFY_WRITE
, old_act
, arg3
, 0))
5897 old_act
->_sa_handler
= oact
._sa_handler
;
5898 old_act
->sa_mask
= oact
.sa_mask
.sig
[0];
5899 old_act
->sa_flags
= oact
.sa_flags
;
5900 old_act
->sa_restorer
= oact
.sa_restorer
;
5901 unlock_user_struct(old_act
, arg3
, 1);
5907 case TARGET_NR_rt_sigaction
:
5909 #if defined(TARGET_ALPHA)
5910 struct target_sigaction act
, oact
, *pact
= 0;
5911 struct target_rt_sigaction
*rt_act
;
5912 /* ??? arg4 == sizeof(sigset_t). */
5914 if (!lock_user_struct(VERIFY_READ
, rt_act
, arg2
, 1))
5916 act
._sa_handler
= rt_act
->_sa_handler
;
5917 act
.sa_mask
= rt_act
->sa_mask
;
5918 act
.sa_flags
= rt_act
->sa_flags
;
5919 act
.sa_restorer
= arg5
;
5920 unlock_user_struct(rt_act
, arg2
, 0);
5923 ret
= get_errno(do_sigaction(arg1
, pact
, &oact
));
5924 if (!is_error(ret
) && arg3
) {
5925 if (!lock_user_struct(VERIFY_WRITE
, rt_act
, arg3
, 0))
5927 rt_act
->_sa_handler
= oact
._sa_handler
;
5928 rt_act
->sa_mask
= oact
.sa_mask
;
5929 rt_act
->sa_flags
= oact
.sa_flags
;
5930 unlock_user_struct(rt_act
, arg3
, 1);
5933 struct target_sigaction
*act
;
5934 struct target_sigaction
*oact
;
5937 if (!lock_user_struct(VERIFY_READ
, act
, arg2
, 1))
5942 if (!lock_user_struct(VERIFY_WRITE
, oact
, arg3
, 0)) {
5943 ret
= -TARGET_EFAULT
;
5944 goto rt_sigaction_fail
;
5948 ret
= get_errno(do_sigaction(arg1
, act
, oact
));
5951 unlock_user_struct(act
, arg2
, 0);
5953 unlock_user_struct(oact
, arg3
, 1);
5957 #ifdef TARGET_NR_sgetmask /* not on alpha */
5958 case TARGET_NR_sgetmask
:
5961 abi_ulong target_set
;
5962 sigprocmask(0, NULL
, &cur_set
);
5963 host_to_target_old_sigset(&target_set
, &cur_set
);
5968 #ifdef TARGET_NR_ssetmask /* not on alpha */
5969 case TARGET_NR_ssetmask
:
5971 sigset_t set
, oset
, cur_set
;
5972 abi_ulong target_set
= arg1
;
5973 sigprocmask(0, NULL
, &cur_set
);
5974 target_to_host_old_sigset(&set
, &target_set
);
5975 sigorset(&set
, &set
, &cur_set
);
5976 sigprocmask(SIG_SETMASK
, &set
, &oset
);
5977 host_to_target_old_sigset(&target_set
, &oset
);
5982 #ifdef TARGET_NR_sigprocmask
5983 case TARGET_NR_sigprocmask
:
5985 #if defined(TARGET_ALPHA)
5986 sigset_t set
, oldset
;
5991 case TARGET_SIG_BLOCK
:
5994 case TARGET_SIG_UNBLOCK
:
5997 case TARGET_SIG_SETMASK
:
6001 ret
= -TARGET_EINVAL
;
6005 target_to_host_old_sigset(&set
, &mask
);
6007 ret
= get_errno(sigprocmask(how
, &set
, &oldset
));
6008 if (!is_error(ret
)) {
6009 host_to_target_old_sigset(&mask
, &oldset
);
6011 ((CPUAlphaState
*)cpu_env
)->ir
[IR_V0
] = 0; /* force no error */
6014 sigset_t set
, oldset
, *set_ptr
;
6019 case TARGET_SIG_BLOCK
:
6022 case TARGET_SIG_UNBLOCK
:
6025 case TARGET_SIG_SETMASK
:
6029 ret
= -TARGET_EINVAL
;
6032 if (!(p
= lock_user(VERIFY_READ
, arg2
, sizeof(target_sigset_t
), 1)))
6034 target_to_host_old_sigset(&set
, p
);
6035 unlock_user(p
, arg2
, 0);
6041 ret
= get_errno(sigprocmask(how
, set_ptr
, &oldset
));
6042 if (!is_error(ret
) && arg3
) {
6043 if (!(p
= lock_user(VERIFY_WRITE
, arg3
, sizeof(target_sigset_t
), 0)))
6045 host_to_target_old_sigset(p
, &oldset
);
6046 unlock_user(p
, arg3
, sizeof(target_sigset_t
));
6052 case TARGET_NR_rt_sigprocmask
:
6055 sigset_t set
, oldset
, *set_ptr
;
6059 case TARGET_SIG_BLOCK
:
6062 case TARGET_SIG_UNBLOCK
:
6065 case TARGET_SIG_SETMASK
:
6069 ret
= -TARGET_EINVAL
;
6072 if (!(p
= lock_user(VERIFY_READ
, arg2
, sizeof(target_sigset_t
), 1)))
6074 target_to_host_sigset(&set
, p
);
6075 unlock_user(p
, arg2
, 0);
6081 ret
= get_errno(sigprocmask(how
, set_ptr
, &oldset
));
6082 if (!is_error(ret
) && arg3
) {
6083 if (!(p
= lock_user(VERIFY_WRITE
, arg3
, sizeof(target_sigset_t
), 0)))
6085 host_to_target_sigset(p
, &oldset
);
6086 unlock_user(p
, arg3
, sizeof(target_sigset_t
));
6090 #ifdef TARGET_NR_sigpending
6091 case TARGET_NR_sigpending
:
6094 ret
= get_errno(sigpending(&set
));
6095 if (!is_error(ret
)) {
6096 if (!(p
= lock_user(VERIFY_WRITE
, arg1
, sizeof(target_sigset_t
), 0)))
6098 host_to_target_old_sigset(p
, &set
);
6099 unlock_user(p
, arg1
, sizeof(target_sigset_t
));
6104 case TARGET_NR_rt_sigpending
:
6107 ret
= get_errno(sigpending(&set
));
6108 if (!is_error(ret
)) {
6109 if (!(p
= lock_user(VERIFY_WRITE
, arg1
, sizeof(target_sigset_t
), 0)))
6111 host_to_target_sigset(p
, &set
);
6112 unlock_user(p
, arg1
, sizeof(target_sigset_t
));
6116 #ifdef TARGET_NR_sigsuspend
6117 case TARGET_NR_sigsuspend
:
6120 #if defined(TARGET_ALPHA)
6121 abi_ulong mask
= arg1
;
6122 target_to_host_old_sigset(&set
, &mask
);
6124 if (!(p
= lock_user(VERIFY_READ
, arg1
, sizeof(target_sigset_t
), 1)))
6126 target_to_host_old_sigset(&set
, p
);
6127 unlock_user(p
, arg1
, 0);
6129 ret
= get_errno(sigsuspend(&set
));
6133 case TARGET_NR_rt_sigsuspend
:
6136 if (!(p
= lock_user(VERIFY_READ
, arg1
, sizeof(target_sigset_t
), 1)))
6138 target_to_host_sigset(&set
, p
);
6139 unlock_user(p
, arg1
, 0);
6140 ret
= get_errno(sigsuspend(&set
));
6143 case TARGET_NR_rt_sigtimedwait
:
6146 struct timespec uts
, *puts
;
6149 if (!(p
= lock_user(VERIFY_READ
, arg1
, sizeof(target_sigset_t
), 1)))
6151 target_to_host_sigset(&set
, p
);
6152 unlock_user(p
, arg1
, 0);
6155 target_to_host_timespec(puts
, arg3
);
6159 ret
= get_errno(sigtimedwait(&set
, &uinfo
, puts
));
6160 if (!is_error(ret
) && arg2
) {
6161 if (!(p
= lock_user(VERIFY_WRITE
, arg2
, sizeof(target_siginfo_t
), 0)))
6163 host_to_target_siginfo(p
, &uinfo
);
6164 unlock_user(p
, arg2
, sizeof(target_siginfo_t
));
6168 case TARGET_NR_rt_sigqueueinfo
:
6171 if (!(p
= lock_user(VERIFY_READ
, arg3
, sizeof(target_sigset_t
), 1)))
6173 target_to_host_siginfo(&uinfo
, p
);
6174 unlock_user(p
, arg1
, 0);
6175 ret
= get_errno(sys_rt_sigqueueinfo(arg1
, arg2
, &uinfo
));
6178 #ifdef TARGET_NR_sigreturn
6179 case TARGET_NR_sigreturn
:
6180 /* NOTE: ret is eax, so not transcoding must be done */
6181 ret
= do_sigreturn(cpu_env
);
6184 case TARGET_NR_rt_sigreturn
:
6185 /* NOTE: ret is eax, so not transcoding must be done */
6186 ret
= do_rt_sigreturn(cpu_env
);
6188 case TARGET_NR_sethostname
:
6189 if (!(p
= lock_user_string(arg1
)))
6191 ret
= get_errno(sethostname(p
, arg2
));
6192 unlock_user(p
, arg1
, 0);
6194 case TARGET_NR_setrlimit
:
6196 int resource
= target_to_host_resource(arg1
);
6197 struct target_rlimit
*target_rlim
;
6199 if (!lock_user_struct(VERIFY_READ
, target_rlim
, arg2
, 1))
6201 rlim
.rlim_cur
= target_to_host_rlim(target_rlim
->rlim_cur
);
6202 rlim
.rlim_max
= target_to_host_rlim(target_rlim
->rlim_max
);
6203 unlock_user_struct(target_rlim
, arg2
, 0);
6204 ret
= get_errno(setrlimit(resource
, &rlim
));
6207 case TARGET_NR_getrlimit
:
6209 int resource
= target_to_host_resource(arg1
);
6210 struct target_rlimit
*target_rlim
;
6213 ret
= get_errno(getrlimit(resource
, &rlim
));
6214 if (!is_error(ret
)) {
6215 if (!lock_user_struct(VERIFY_WRITE
, target_rlim
, arg2
, 0))
6217 target_rlim
->rlim_cur
= host_to_target_rlim(rlim
.rlim_cur
);
6218 target_rlim
->rlim_max
= host_to_target_rlim(rlim
.rlim_max
);
6219 unlock_user_struct(target_rlim
, arg2
, 1);
6223 case TARGET_NR_getrusage
:
6225 struct rusage rusage
;
6226 ret
= get_errno(getrusage(arg1
, &rusage
));
6227 if (!is_error(ret
)) {
6228 host_to_target_rusage(arg2
, &rusage
);
6232 case TARGET_NR_gettimeofday
:
6235 ret
= get_errno(gettimeofday(&tv
, NULL
));
6236 if (!is_error(ret
)) {
6237 if (copy_to_user_timeval(arg1
, &tv
))
6242 case TARGET_NR_settimeofday
:
6245 if (copy_from_user_timeval(&tv
, arg1
))
6247 ret
= get_errno(settimeofday(&tv
, NULL
));
6250 #if defined(TARGET_NR_select)
6251 case TARGET_NR_select
:
6252 #if defined(TARGET_S390X) || defined(TARGET_ALPHA)
6253 ret
= do_select(arg1
, arg2
, arg3
, arg4
, arg5
);
6256 struct target_sel_arg_struct
*sel
;
6257 abi_ulong inp
, outp
, exp
, tvp
;
6260 if (!lock_user_struct(VERIFY_READ
, sel
, arg1
, 1))
6262 nsel
= tswapal(sel
->n
);
6263 inp
= tswapal(sel
->inp
);
6264 outp
= tswapal(sel
->outp
);
6265 exp
= tswapal(sel
->exp
);
6266 tvp
= tswapal(sel
->tvp
);
6267 unlock_user_struct(sel
, arg1
, 0);
6268 ret
= do_select(nsel
, inp
, outp
, exp
, tvp
);
6273 #ifdef TARGET_NR_pselect6
6274 case TARGET_NR_pselect6
:
6276 abi_long rfd_addr
, wfd_addr
, efd_addr
, n
, ts_addr
;
6277 fd_set rfds
, wfds
, efds
;
6278 fd_set
*rfds_ptr
, *wfds_ptr
, *efds_ptr
;
6279 struct timespec ts
, *ts_ptr
;
6282 * The 6th arg is actually two args smashed together,
6283 * so we cannot use the C library.
6291 abi_ulong arg_sigset
, arg_sigsize
, *arg7
;
6292 target_sigset_t
*target_sigset
;
6300 ret
= copy_from_user_fdset_ptr(&rfds
, &rfds_ptr
, rfd_addr
, n
);
6304 ret
= copy_from_user_fdset_ptr(&wfds
, &wfds_ptr
, wfd_addr
, n
);
6308 ret
= copy_from_user_fdset_ptr(&efds
, &efds_ptr
, efd_addr
, n
);
6314 * This takes a timespec, and not a timeval, so we cannot
6315 * use the do_select() helper ...
6318 if (target_to_host_timespec(&ts
, ts_addr
)) {
6326 /* Extract the two packed args for the sigset */
6329 sig
.size
= _NSIG
/ 8;
6331 arg7
= lock_user(VERIFY_READ
, arg6
, sizeof(*arg7
) * 2, 1);
6335 arg_sigset
= tswapal(arg7
[0]);
6336 arg_sigsize
= tswapal(arg7
[1]);
6337 unlock_user(arg7
, arg6
, 0);
6341 if (arg_sigsize
!= sizeof(*target_sigset
)) {
6342 /* Like the kernel, we enforce correct size sigsets */
6343 ret
= -TARGET_EINVAL
;
6346 target_sigset
= lock_user(VERIFY_READ
, arg_sigset
,
6347 sizeof(*target_sigset
), 1);
6348 if (!target_sigset
) {
6351 target_to_host_sigset(&set
, target_sigset
);
6352 unlock_user(target_sigset
, arg_sigset
, 0);
6360 ret
= get_errno(sys_pselect6(n
, rfds_ptr
, wfds_ptr
, efds_ptr
,
6363 if (!is_error(ret
)) {
6364 if (rfd_addr
&& copy_to_user_fdset(rfd_addr
, &rfds
, n
))
6366 if (wfd_addr
&& copy_to_user_fdset(wfd_addr
, &wfds
, n
))
6368 if (efd_addr
&& copy_to_user_fdset(efd_addr
, &efds
, n
))
6371 if (ts_addr
&& host_to_target_timespec(ts_addr
, &ts
))
6377 case TARGET_NR_symlink
:
6380 p
= lock_user_string(arg1
);
6381 p2
= lock_user_string(arg2
);
6383 ret
= -TARGET_EFAULT
;
6385 ret
= get_errno(symlink(p
, p2
));
6386 unlock_user(p2
, arg2
, 0);
6387 unlock_user(p
, arg1
, 0);
6390 #if defined(TARGET_NR_symlinkat) && defined(__NR_symlinkat)
6391 case TARGET_NR_symlinkat
:
6394 p
= lock_user_string(arg1
);
6395 p2
= lock_user_string(arg3
);
6397 ret
= -TARGET_EFAULT
;
6399 ret
= get_errno(sys_symlinkat(p
, arg2
, p2
));
6400 unlock_user(p2
, arg3
, 0);
6401 unlock_user(p
, arg1
, 0);
6405 #ifdef TARGET_NR_oldlstat
6406 case TARGET_NR_oldlstat
:
6409 case TARGET_NR_readlink
:
6412 p
= lock_user_string(arg1
);
6413 p2
= lock_user(VERIFY_WRITE
, arg2
, arg3
, 0);
6415 ret
= -TARGET_EFAULT
;
6417 if (strncmp((const char *)p
, "/proc/self/exe", 14) == 0) {
6418 char real
[PATH_MAX
];
6419 temp
= realpath(exec_path
,real
);
6420 ret
= (temp
==NULL
) ? get_errno(-1) : strlen(real
) ;
6421 snprintf((char *)p2
, arg3
, "%s", real
);
6424 ret
= get_errno(readlink(path(p
), p2
, arg3
));
6426 unlock_user(p2
, arg2
, ret
);
6427 unlock_user(p
, arg1
, 0);
6430 #if defined(TARGET_NR_readlinkat) && defined(__NR_readlinkat)
6431 case TARGET_NR_readlinkat
:
6434 p
= lock_user_string(arg2
);
6435 p2
= lock_user(VERIFY_WRITE
, arg3
, arg4
, 0);
6437 ret
= -TARGET_EFAULT
;
6439 ret
= get_errno(sys_readlinkat(arg1
, path(p
), p2
, arg4
));
6440 unlock_user(p2
, arg3
, ret
);
6441 unlock_user(p
, arg2
, 0);
6445 #ifdef TARGET_NR_uselib
6446 case TARGET_NR_uselib
:
6449 #ifdef TARGET_NR_swapon
6450 case TARGET_NR_swapon
:
6451 if (!(p
= lock_user_string(arg1
)))
6453 ret
= get_errno(swapon(p
, arg2
));
6454 unlock_user(p
, arg1
, 0);
6457 case TARGET_NR_reboot
:
6458 if (arg3
== LINUX_REBOOT_CMD_RESTART2
) {
6459 /* arg4 must be ignored in all other cases */
6460 p
= lock_user_string(arg4
);
6464 ret
= get_errno(reboot(arg1
, arg2
, arg3
, p
));
6465 unlock_user(p
, arg4
, 0);
6467 ret
= get_errno(reboot(arg1
, arg2
, arg3
, NULL
));
6470 #ifdef TARGET_NR_readdir
6471 case TARGET_NR_readdir
:
6474 #ifdef TARGET_NR_mmap
6475 case TARGET_NR_mmap
:
6476 #if (defined(TARGET_I386) && defined(TARGET_ABI32)) || defined(TARGET_ARM) || \
6477 defined(TARGET_M68K) || defined(TARGET_CRIS) || defined(TARGET_MICROBLAZE) \
6478 || defined(TARGET_S390X)
6481 abi_ulong v1
, v2
, v3
, v4
, v5
, v6
;
6482 if (!(v
= lock_user(VERIFY_READ
, arg1
, 6 * sizeof(abi_ulong
), 1)))
6490 unlock_user(v
, arg1
, 0);
6491 ret
= get_errno(target_mmap(v1
, v2
, v3
,
6492 target_to_host_bitmask(v4
, mmap_flags_tbl
),
6496 ret
= get_errno(target_mmap(arg1
, arg2
, arg3
,
6497 target_to_host_bitmask(arg4
, mmap_flags_tbl
),
6503 #ifdef TARGET_NR_mmap2
6504 case TARGET_NR_mmap2
:
6506 #define MMAP_SHIFT 12
6508 ret
= get_errno(target_mmap(arg1
, arg2
, arg3
,
6509 target_to_host_bitmask(arg4
, mmap_flags_tbl
),
6511 arg6
<< MMAP_SHIFT
));
6514 case TARGET_NR_munmap
:
6515 ret
= get_errno(target_munmap(arg1
, arg2
));
6517 case TARGET_NR_mprotect
:
6519 TaskState
*ts
= ((CPUArchState
*)cpu_env
)->opaque
;
6520 /* Special hack to detect libc making the stack executable. */
6521 if ((arg3
& PROT_GROWSDOWN
)
6522 && arg1
>= ts
->info
->stack_limit
6523 && arg1
<= ts
->info
->start_stack
) {
6524 arg3
&= ~PROT_GROWSDOWN
;
6525 arg2
= arg2
+ arg1
- ts
->info
->stack_limit
;
6526 arg1
= ts
->info
->stack_limit
;
6529 ret
= get_errno(target_mprotect(arg1
, arg2
, arg3
));
6531 #ifdef TARGET_NR_mremap
6532 case TARGET_NR_mremap
:
6533 ret
= get_errno(target_mremap(arg1
, arg2
, arg3
, arg4
, arg5
));
6536 /* ??? msync/mlock/munlock are broken for softmmu. */
6537 #ifdef TARGET_NR_msync
6538 case TARGET_NR_msync
:
6539 ret
= get_errno(msync(g2h(arg1
), arg2
, arg3
));
6542 #ifdef TARGET_NR_mlock
6543 case TARGET_NR_mlock
:
6544 ret
= get_errno(mlock(g2h(arg1
), arg2
));
6547 #ifdef TARGET_NR_munlock
6548 case TARGET_NR_munlock
:
6549 ret
= get_errno(munlock(g2h(arg1
), arg2
));
6552 #ifdef TARGET_NR_mlockall
6553 case TARGET_NR_mlockall
:
6554 ret
= get_errno(mlockall(arg1
));
6557 #ifdef TARGET_NR_munlockall
6558 case TARGET_NR_munlockall
:
6559 ret
= get_errno(munlockall());
6562 case TARGET_NR_truncate
:
6563 if (!(p
= lock_user_string(arg1
)))
6565 ret
= get_errno(truncate(p
, arg2
));
6566 unlock_user(p
, arg1
, 0);
6568 case TARGET_NR_ftruncate
:
6569 ret
= get_errno(ftruncate(arg1
, arg2
));
6571 case TARGET_NR_fchmod
:
6572 ret
= get_errno(fchmod(arg1
, arg2
));
6574 #if defined(TARGET_NR_fchmodat) && defined(__NR_fchmodat)
6575 case TARGET_NR_fchmodat
:
6576 if (!(p
= lock_user_string(arg2
)))
6578 ret
= get_errno(sys_fchmodat(arg1
, p
, arg3
));
6579 unlock_user(p
, arg2
, 0);
6582 case TARGET_NR_getpriority
:
6583 /* Note that negative values are valid for getpriority, so we must
6584 differentiate based on errno settings. */
6586 ret
= getpriority(arg1
, arg2
);
6587 if (ret
== -1 && errno
!= 0) {
6588 ret
= -host_to_target_errno(errno
);
6592 /* Return value is the unbiased priority. Signal no error. */
6593 ((CPUAlphaState
*)cpu_env
)->ir
[IR_V0
] = 0;
6595 /* Return value is a biased priority to avoid negative numbers. */
6599 case TARGET_NR_setpriority
:
6600 ret
= get_errno(setpriority(arg1
, arg2
, arg3
));
6602 #ifdef TARGET_NR_profil
6603 case TARGET_NR_profil
:
6606 case TARGET_NR_statfs
:
6607 if (!(p
= lock_user_string(arg1
)))
6609 ret
= get_errno(statfs(path(p
), &stfs
));
6610 unlock_user(p
, arg1
, 0);
6612 if (!is_error(ret
)) {
6613 struct target_statfs
*target_stfs
;
6615 if (!lock_user_struct(VERIFY_WRITE
, target_stfs
, arg2
, 0))
6617 __put_user(stfs
.f_type
, &target_stfs
->f_type
);
6618 __put_user(stfs
.f_bsize
, &target_stfs
->f_bsize
);
6619 __put_user(stfs
.f_blocks
, &target_stfs
->f_blocks
);
6620 __put_user(stfs
.f_bfree
, &target_stfs
->f_bfree
);
6621 __put_user(stfs
.f_bavail
, &target_stfs
->f_bavail
);
6622 __put_user(stfs
.f_files
, &target_stfs
->f_files
);
6623 __put_user(stfs
.f_ffree
, &target_stfs
->f_ffree
);
6624 __put_user(stfs
.f_fsid
.__val
[0], &target_stfs
->f_fsid
.val
[0]);
6625 __put_user(stfs
.f_fsid
.__val
[1], &target_stfs
->f_fsid
.val
[1]);
6626 __put_user(stfs
.f_namelen
, &target_stfs
->f_namelen
);
6627 __put_user(stfs
.f_frsize
, &target_stfs
->f_frsize
);
6628 memset(target_stfs
->f_spare
, 0, sizeof(target_stfs
->f_spare
));
6629 unlock_user_struct(target_stfs
, arg2
, 1);
6632 case TARGET_NR_fstatfs
:
6633 ret
= get_errno(fstatfs(arg1
, &stfs
));
6634 goto convert_statfs
;
6635 #ifdef TARGET_NR_statfs64
6636 case TARGET_NR_statfs64
:
6637 if (!(p
= lock_user_string(arg1
)))
6639 ret
= get_errno(statfs(path(p
), &stfs
));
6640 unlock_user(p
, arg1
, 0);
6642 if (!is_error(ret
)) {
6643 struct target_statfs64
*target_stfs
;
6645 if (!lock_user_struct(VERIFY_WRITE
, target_stfs
, arg3
, 0))
6647 __put_user(stfs
.f_type
, &target_stfs
->f_type
);
6648 __put_user(stfs
.f_bsize
, &target_stfs
->f_bsize
);
6649 __put_user(stfs
.f_blocks
, &target_stfs
->f_blocks
);
6650 __put_user(stfs
.f_bfree
, &target_stfs
->f_bfree
);
6651 __put_user(stfs
.f_bavail
, &target_stfs
->f_bavail
);
6652 __put_user(stfs
.f_files
, &target_stfs
->f_files
);
6653 __put_user(stfs
.f_ffree
, &target_stfs
->f_ffree
);
6654 __put_user(stfs
.f_fsid
.__val
[0], &target_stfs
->f_fsid
.val
[0]);
6655 __put_user(stfs
.f_fsid
.__val
[1], &target_stfs
->f_fsid
.val
[1]);
6656 __put_user(stfs
.f_namelen
, &target_stfs
->f_namelen
);
6657 __put_user(stfs
.f_frsize
, &target_stfs
->f_frsize
);
6658 memset(target_stfs
->f_spare
, 0, sizeof(target_stfs
->f_spare
));
6659 unlock_user_struct(target_stfs
, arg3
, 1);
6662 case TARGET_NR_fstatfs64
:
6663 ret
= get_errno(fstatfs(arg1
, &stfs
));
6664 goto convert_statfs64
;
6666 #ifdef TARGET_NR_ioperm
6667 case TARGET_NR_ioperm
:
6670 #ifdef TARGET_NR_socketcall
6671 case TARGET_NR_socketcall
:
6672 ret
= do_socketcall(arg1
, arg2
);
6675 #ifdef TARGET_NR_accept
6676 case TARGET_NR_accept
:
6677 ret
= do_accept(arg1
, arg2
, arg3
);
6680 #ifdef TARGET_NR_bind
6681 case TARGET_NR_bind
:
6682 ret
= do_bind(arg1
, arg2
, arg3
);
6685 #ifdef TARGET_NR_connect
6686 case TARGET_NR_connect
:
6687 ret
= do_connect(arg1
, arg2
, arg3
);
6690 #ifdef TARGET_NR_getpeername
6691 case TARGET_NR_getpeername
:
6692 ret
= do_getpeername(arg1
, arg2
, arg3
);
6695 #ifdef TARGET_NR_getsockname
6696 case TARGET_NR_getsockname
:
6697 ret
= do_getsockname(arg1
, arg2
, arg3
);
6700 #ifdef TARGET_NR_getsockopt
6701 case TARGET_NR_getsockopt
:
6702 ret
= do_getsockopt(arg1
, arg2
, arg3
, arg4
, arg5
);
6705 #ifdef TARGET_NR_listen
6706 case TARGET_NR_listen
:
6707 ret
= get_errno(listen(arg1
, arg2
));
6710 #ifdef TARGET_NR_recv
6711 case TARGET_NR_recv
:
6712 ret
= do_recvfrom(arg1
, arg2
, arg3
, arg4
, 0, 0);
6715 #ifdef TARGET_NR_recvfrom
6716 case TARGET_NR_recvfrom
:
6717 ret
= do_recvfrom(arg1
, arg2
, arg3
, arg4
, arg5
, arg6
);
6720 #ifdef TARGET_NR_recvmsg
6721 case TARGET_NR_recvmsg
:
6722 ret
= do_sendrecvmsg(arg1
, arg2
, arg3
, 0);
6725 #ifdef TARGET_NR_send
6726 case TARGET_NR_send
:
6727 ret
= do_sendto(arg1
, arg2
, arg3
, arg4
, 0, 0);
6730 #ifdef TARGET_NR_sendmsg
6731 case TARGET_NR_sendmsg
:
6732 ret
= do_sendrecvmsg(arg1
, arg2
, arg3
, 1);
6735 #ifdef TARGET_NR_sendto
6736 case TARGET_NR_sendto
:
6737 ret
= do_sendto(arg1
, arg2
, arg3
, arg4
, arg5
, arg6
);
6740 #ifdef TARGET_NR_shutdown
6741 case TARGET_NR_shutdown
:
6742 ret
= get_errno(shutdown(arg1
, arg2
));
6745 #ifdef TARGET_NR_socket
6746 case TARGET_NR_socket
:
6747 ret
= do_socket(arg1
, arg2
, arg3
);
6750 #ifdef TARGET_NR_socketpair
6751 case TARGET_NR_socketpair
:
6752 ret
= do_socketpair(arg1
, arg2
, arg3
, arg4
);
6755 #ifdef TARGET_NR_setsockopt
6756 case TARGET_NR_setsockopt
:
6757 ret
= do_setsockopt(arg1
, arg2
, arg3
, arg4
, (socklen_t
) arg5
);
6761 case TARGET_NR_syslog
:
6762 if (!(p
= lock_user_string(arg2
)))
6764 ret
= get_errno(sys_syslog((int)arg1
, p
, (int)arg3
));
6765 unlock_user(p
, arg2
, 0);
6768 case TARGET_NR_setitimer
:
6770 struct itimerval value
, ovalue
, *pvalue
;
6774 if (copy_from_user_timeval(&pvalue
->it_interval
, arg2
)
6775 || copy_from_user_timeval(&pvalue
->it_value
,
6776 arg2
+ sizeof(struct target_timeval
)))
6781 ret
= get_errno(setitimer(arg1
, pvalue
, &ovalue
));
6782 if (!is_error(ret
) && arg3
) {
6783 if (copy_to_user_timeval(arg3
,
6784 &ovalue
.it_interval
)
6785 || copy_to_user_timeval(arg3
+ sizeof(struct target_timeval
),
6791 case TARGET_NR_getitimer
:
6793 struct itimerval value
;
6795 ret
= get_errno(getitimer(arg1
, &value
));
6796 if (!is_error(ret
) && arg2
) {
6797 if (copy_to_user_timeval(arg2
,
6799 || copy_to_user_timeval(arg2
+ sizeof(struct target_timeval
),
6805 case TARGET_NR_stat
:
6806 if (!(p
= lock_user_string(arg1
)))
6808 ret
= get_errno(stat(path(p
), &st
));
6809 unlock_user(p
, arg1
, 0);
6811 case TARGET_NR_lstat
:
6812 if (!(p
= lock_user_string(arg1
)))
6814 ret
= get_errno(lstat(path(p
), &st
));
6815 unlock_user(p
, arg1
, 0);
6817 case TARGET_NR_fstat
:
6819 ret
= get_errno(fstat(arg1
, &st
));
6821 if (!is_error(ret
)) {
6822 struct target_stat
*target_st
;
6824 if (!lock_user_struct(VERIFY_WRITE
, target_st
, arg2
, 0))
6826 memset(target_st
, 0, sizeof(*target_st
));
6827 __put_user(st
.st_dev
, &target_st
->st_dev
);
6828 __put_user(st
.st_ino
, &target_st
->st_ino
);
6829 __put_user(st
.st_mode
, &target_st
->st_mode
);
6830 __put_user(st
.st_uid
, &target_st
->st_uid
);
6831 __put_user(st
.st_gid
, &target_st
->st_gid
);
6832 __put_user(st
.st_nlink
, &target_st
->st_nlink
);
6833 __put_user(st
.st_rdev
, &target_st
->st_rdev
);
6834 __put_user(st
.st_size
, &target_st
->st_size
);
6835 __put_user(st
.st_blksize
, &target_st
->st_blksize
);
6836 __put_user(st
.st_blocks
, &target_st
->st_blocks
);
6837 __put_user(st
.st_atime
, &target_st
->target_st_atime
);
6838 __put_user(st
.st_mtime
, &target_st
->target_st_mtime
);
6839 __put_user(st
.st_ctime
, &target_st
->target_st_ctime
);
6840 unlock_user_struct(target_st
, arg2
, 1);
6844 #ifdef TARGET_NR_olduname
6845 case TARGET_NR_olduname
:
6848 #ifdef TARGET_NR_iopl
6849 case TARGET_NR_iopl
:
6852 case TARGET_NR_vhangup
:
6853 ret
= get_errno(vhangup());
6855 #ifdef TARGET_NR_idle
6856 case TARGET_NR_idle
:
6859 #ifdef TARGET_NR_syscall
6860 case TARGET_NR_syscall
:
6861 ret
= do_syscall(cpu_env
, arg1
& 0xffff, arg2
, arg3
, arg4
, arg5
,
6862 arg6
, arg7
, arg8
, 0);
6865 case TARGET_NR_wait4
:
6868 abi_long status_ptr
= arg2
;
6869 struct rusage rusage
, *rusage_ptr
;
6870 abi_ulong target_rusage
= arg4
;
6872 rusage_ptr
= &rusage
;
6875 ret
= get_errno(wait4(arg1
, &status
, arg3
, rusage_ptr
));
6876 if (!is_error(ret
)) {
6877 if (status_ptr
&& ret
) {
6878 status
= host_to_target_waitstatus(status
);
6879 if (put_user_s32(status
, status_ptr
))
6883 host_to_target_rusage(target_rusage
, &rusage
);
6887 #ifdef TARGET_NR_swapoff
6888 case TARGET_NR_swapoff
:
6889 if (!(p
= lock_user_string(arg1
)))
6891 ret
= get_errno(swapoff(p
));
6892 unlock_user(p
, arg1
, 0);
6895 case TARGET_NR_sysinfo
:
6897 struct target_sysinfo
*target_value
;
6898 struct sysinfo value
;
6899 ret
= get_errno(sysinfo(&value
));
6900 if (!is_error(ret
) && arg1
)
6902 if (!lock_user_struct(VERIFY_WRITE
, target_value
, arg1
, 0))
6904 __put_user(value
.uptime
, &target_value
->uptime
);
6905 __put_user(value
.loads
[0], &target_value
->loads
[0]);
6906 __put_user(value
.loads
[1], &target_value
->loads
[1]);
6907 __put_user(value
.loads
[2], &target_value
->loads
[2]);
6908 __put_user(value
.totalram
, &target_value
->totalram
);
6909 __put_user(value
.freeram
, &target_value
->freeram
);
6910 __put_user(value
.sharedram
, &target_value
->sharedram
);
6911 __put_user(value
.bufferram
, &target_value
->bufferram
);
6912 __put_user(value
.totalswap
, &target_value
->totalswap
);
6913 __put_user(value
.freeswap
, &target_value
->freeswap
);
6914 __put_user(value
.procs
, &target_value
->procs
);
6915 __put_user(value
.totalhigh
, &target_value
->totalhigh
);
6916 __put_user(value
.freehigh
, &target_value
->freehigh
);
6917 __put_user(value
.mem_unit
, &target_value
->mem_unit
);
6918 unlock_user_struct(target_value
, arg1
, 1);
6922 #ifdef TARGET_NR_ipc
6924 ret
= do_ipc(arg1
, arg2
, arg3
, arg4
, arg5
, arg6
);
6927 #ifdef TARGET_NR_semget
6928 case TARGET_NR_semget
:
6929 ret
= get_errno(semget(arg1
, arg2
, arg3
));
6932 #ifdef TARGET_NR_semop
6933 case TARGET_NR_semop
:
6934 ret
= get_errno(do_semop(arg1
, arg2
, arg3
));
6937 #ifdef TARGET_NR_semctl
6938 case TARGET_NR_semctl
:
6939 ret
= do_semctl(arg1
, arg2
, arg3
, (union target_semun
)(abi_ulong
)arg4
);
6942 #ifdef TARGET_NR_msgctl
6943 case TARGET_NR_msgctl
:
6944 ret
= do_msgctl(arg1
, arg2
, arg3
);
6947 #ifdef TARGET_NR_msgget
6948 case TARGET_NR_msgget
:
6949 ret
= get_errno(msgget(arg1
, arg2
));
6952 #ifdef TARGET_NR_msgrcv
6953 case TARGET_NR_msgrcv
:
6954 ret
= do_msgrcv(arg1
, arg2
, arg3
, arg4
, arg5
);
6957 #ifdef TARGET_NR_msgsnd
6958 case TARGET_NR_msgsnd
:
6959 ret
= do_msgsnd(arg1
, arg2
, arg3
, arg4
);
6962 #ifdef TARGET_NR_shmget
6963 case TARGET_NR_shmget
:
6964 ret
= get_errno(shmget(arg1
, arg2
, arg3
));
6967 #ifdef TARGET_NR_shmctl
6968 case TARGET_NR_shmctl
:
6969 ret
= do_shmctl(arg1
, arg2
, arg3
);
6972 #ifdef TARGET_NR_shmat
6973 case TARGET_NR_shmat
:
6974 ret
= do_shmat(arg1
, arg2
, arg3
);
6977 #ifdef TARGET_NR_shmdt
6978 case TARGET_NR_shmdt
:
6979 ret
= do_shmdt(arg1
);
6982 case TARGET_NR_fsync
:
6983 ret
= get_errno(fsync(arg1
));
6985 case TARGET_NR_clone
:
6986 #if defined(TARGET_SH4) || defined(TARGET_ALPHA)
6987 ret
= get_errno(do_fork(cpu_env
, arg1
, arg2
, arg3
, arg5
, arg4
));
6988 #elif defined(TARGET_CRIS)
6989 ret
= get_errno(do_fork(cpu_env
, arg2
, arg1
, arg3
, arg4
, arg5
));
6990 #elif defined(TARGET_MICROBLAZE)
6991 ret
= get_errno(do_fork(cpu_env
, arg1
, arg2
, arg4
, arg6
, arg5
));
6992 #elif defined(TARGET_S390X)
6993 ret
= get_errno(do_fork(cpu_env
, arg2
, arg1
, arg3
, arg5
, arg4
));
6995 ret
= get_errno(do_fork(cpu_env
, arg1
, arg2
, arg3
, arg4
, arg5
));
6998 #ifdef __NR_exit_group
6999 /* new thread calls */
7000 case TARGET_NR_exit_group
:
7004 gdb_exit(cpu_env
, arg1
);
7005 ret
= get_errno(exit_group(arg1
));
7008 case TARGET_NR_setdomainname
:
7009 if (!(p
= lock_user_string(arg1
)))
7011 ret
= get_errno(setdomainname(p
, arg2
));
7012 unlock_user(p
, arg1
, 0);
7014 case TARGET_NR_uname
:
7015 /* no need to transcode because we use the linux syscall */
7017 struct new_utsname
* buf
;
7019 if (!lock_user_struct(VERIFY_WRITE
, buf
, arg1
, 0))
7021 ret
= get_errno(sys_uname(buf
));
7022 if (!is_error(ret
)) {
7023 /* Overrite the native machine name with whatever is being
7025 strcpy (buf
->machine
, cpu_to_uname_machine(cpu_env
));
7026 /* Allow the user to override the reported release. */
7027 if (qemu_uname_release
&& *qemu_uname_release
)
7028 strcpy (buf
->release
, qemu_uname_release
);
7030 unlock_user_struct(buf
, arg1
, 1);
7034 case TARGET_NR_modify_ldt
:
7035 ret
= do_modify_ldt(cpu_env
, arg1
, arg2
, arg3
);
7037 #if !defined(TARGET_X86_64)
7038 case TARGET_NR_vm86old
:
7040 case TARGET_NR_vm86
:
7041 ret
= do_vm86(cpu_env
, arg1
, arg2
);
7045 case TARGET_NR_adjtimex
:
7047 #ifdef TARGET_NR_create_module
7048 case TARGET_NR_create_module
:
7050 case TARGET_NR_init_module
:
7051 case TARGET_NR_delete_module
:
7052 #ifdef TARGET_NR_get_kernel_syms
7053 case TARGET_NR_get_kernel_syms
:
7056 case TARGET_NR_quotactl
:
7058 case TARGET_NR_getpgid
:
7059 ret
= get_errno(getpgid(arg1
));
7061 case TARGET_NR_fchdir
:
7062 ret
= get_errno(fchdir(arg1
));
7064 #ifdef TARGET_NR_bdflush /* not on x86_64 */
7065 case TARGET_NR_bdflush
:
7068 #ifdef TARGET_NR_sysfs
7069 case TARGET_NR_sysfs
:
7072 case TARGET_NR_personality
:
7073 ret
= get_errno(personality(arg1
));
7075 #ifdef TARGET_NR_afs_syscall
7076 case TARGET_NR_afs_syscall
:
7079 #ifdef TARGET_NR__llseek /* Not on alpha */
7080 case TARGET_NR__llseek
:
7083 #if !defined(__NR_llseek)
7084 res
= lseek(arg1
, ((uint64_t)arg2
<< 32) | arg3
, arg5
);
7086 ret
= get_errno(res
);
7091 ret
= get_errno(_llseek(arg1
, arg2
, arg3
, &res
, arg5
));
7093 if ((ret
== 0) && put_user_s64(res
, arg4
)) {
7099 case TARGET_NR_getdents
:
7100 #if TARGET_ABI_BITS == 32 && HOST_LONG_BITS == 64
7102 struct target_dirent
*target_dirp
;
7103 struct linux_dirent
*dirp
;
7104 abi_long count
= arg3
;
7106 dirp
= malloc(count
);
7108 ret
= -TARGET_ENOMEM
;
7112 ret
= get_errno(sys_getdents(arg1
, dirp
, count
));
7113 if (!is_error(ret
)) {
7114 struct linux_dirent
*de
;
7115 struct target_dirent
*tde
;
7117 int reclen
, treclen
;
7118 int count1
, tnamelen
;
7122 if (!(target_dirp
= lock_user(VERIFY_WRITE
, arg2
, count
, 0)))
7126 reclen
= de
->d_reclen
;
7127 tnamelen
= reclen
- offsetof(struct linux_dirent
, d_name
);
7128 assert(tnamelen
>= 0);
7129 treclen
= tnamelen
+ offsetof(struct target_dirent
, d_name
);
7130 assert(count1
+ treclen
<= count
);
7131 tde
->d_reclen
= tswap16(treclen
);
7132 tde
->d_ino
= tswapal(de
->d_ino
);
7133 tde
->d_off
= tswapal(de
->d_off
);
7134 memcpy(tde
->d_name
, de
->d_name
, tnamelen
);
7135 de
= (struct linux_dirent
*)((char *)de
+ reclen
);
7137 tde
= (struct target_dirent
*)((char *)tde
+ treclen
);
7141 unlock_user(target_dirp
, arg2
, ret
);
7147 struct linux_dirent
*dirp
;
7148 abi_long count
= arg3
;
7150 if (!(dirp
= lock_user(VERIFY_WRITE
, arg2
, count
, 0)))
7152 ret
= get_errno(sys_getdents(arg1
, dirp
, count
));
7153 if (!is_error(ret
)) {
7154 struct linux_dirent
*de
;
7159 reclen
= de
->d_reclen
;
7162 de
->d_reclen
= tswap16(reclen
);
7163 tswapls(&de
->d_ino
);
7164 tswapls(&de
->d_off
);
7165 de
= (struct linux_dirent
*)((char *)de
+ reclen
);
7169 unlock_user(dirp
, arg2
, ret
);
7173 #if defined(TARGET_NR_getdents64) && defined(__NR_getdents64)
7174 case TARGET_NR_getdents64
:
7176 struct linux_dirent64
*dirp
;
7177 abi_long count
= arg3
;
7178 if (!(dirp
= lock_user(VERIFY_WRITE
, arg2
, count
, 0)))
7180 ret
= get_errno(sys_getdents64(arg1
, dirp
, count
));
7181 if (!is_error(ret
)) {
7182 struct linux_dirent64
*de
;
7187 reclen
= de
->d_reclen
;
7190 de
->d_reclen
= tswap16(reclen
);
7191 tswap64s((uint64_t *)&de
->d_ino
);
7192 tswap64s((uint64_t *)&de
->d_off
);
7193 de
= (struct linux_dirent64
*)((char *)de
+ reclen
);
7197 unlock_user(dirp
, arg2
, ret
);
7200 #endif /* TARGET_NR_getdents64 */
7201 #if defined(TARGET_NR__newselect)
7202 case TARGET_NR__newselect
:
7203 ret
= do_select(arg1
, arg2
, arg3
, arg4
, arg5
);
7206 #if defined(TARGET_NR_poll) || defined(TARGET_NR_ppoll)
7207 # ifdef TARGET_NR_poll
7208 case TARGET_NR_poll
:
7210 # ifdef TARGET_NR_ppoll
7211 case TARGET_NR_ppoll
:
7214 struct target_pollfd
*target_pfd
;
7215 unsigned int nfds
= arg2
;
7220 target_pfd
= lock_user(VERIFY_WRITE
, arg1
, sizeof(struct target_pollfd
) * nfds
, 1);
7224 pfd
= alloca(sizeof(struct pollfd
) * nfds
);
7225 for(i
= 0; i
< nfds
; i
++) {
7226 pfd
[i
].fd
= tswap32(target_pfd
[i
].fd
);
7227 pfd
[i
].events
= tswap16(target_pfd
[i
].events
);
7230 # ifdef TARGET_NR_ppoll
7231 if (num
== TARGET_NR_ppoll
) {
7232 struct timespec _timeout_ts
, *timeout_ts
= &_timeout_ts
;
7233 target_sigset_t
*target_set
;
7234 sigset_t _set
, *set
= &_set
;
7237 if (target_to_host_timespec(timeout_ts
, arg3
)) {
7238 unlock_user(target_pfd
, arg1
, 0);
7246 target_set
= lock_user(VERIFY_READ
, arg4
, sizeof(target_sigset_t
), 1);
7248 unlock_user(target_pfd
, arg1
, 0);
7251 target_to_host_sigset(set
, target_set
);
7256 ret
= get_errno(sys_ppoll(pfd
, nfds
, timeout_ts
, set
, _NSIG
/8));
7258 if (!is_error(ret
) && arg3
) {
7259 host_to_target_timespec(arg3
, timeout_ts
);
7262 unlock_user(target_set
, arg4
, 0);
7266 ret
= get_errno(poll(pfd
, nfds
, timeout
));
7268 if (!is_error(ret
)) {
7269 for(i
= 0; i
< nfds
; i
++) {
7270 target_pfd
[i
].revents
= tswap16(pfd
[i
].revents
);
7273 unlock_user(target_pfd
, arg1
, sizeof(struct target_pollfd
) * nfds
);
7277 case TARGET_NR_flock
:
7278 /* NOTE: the flock constant seems to be the same for every
7280 ret
= get_errno(flock(arg1
, arg2
));
7282 case TARGET_NR_readv
:
7284 struct iovec
*vec
= lock_iovec(VERIFY_WRITE
, arg2
, arg3
, 0);
7286 ret
= get_errno(readv(arg1
, vec
, arg3
));
7287 unlock_iovec(vec
, arg2
, arg3
, 1);
7289 ret
= -host_to_target_errno(errno
);
7293 case TARGET_NR_writev
:
7295 struct iovec
*vec
= lock_iovec(VERIFY_READ
, arg2
, arg3
, 1);
7297 ret
= get_errno(writev(arg1
, vec
, arg3
));
7298 unlock_iovec(vec
, arg2
, arg3
, 0);
7300 ret
= -host_to_target_errno(errno
);
7304 case TARGET_NR_getsid
:
7305 ret
= get_errno(getsid(arg1
));
7307 #if defined(TARGET_NR_fdatasync) /* Not on alpha (osf_datasync ?) */
7308 case TARGET_NR_fdatasync
:
7309 ret
= get_errno(fdatasync(arg1
));
7312 case TARGET_NR__sysctl
:
7313 /* We don't implement this, but ENOTDIR is always a safe
7315 ret
= -TARGET_ENOTDIR
;
7317 case TARGET_NR_sched_getaffinity
:
7319 unsigned int mask_size
;
7320 unsigned long *mask
;
7323 * sched_getaffinity needs multiples of ulong, so need to take
7324 * care of mismatches between target ulong and host ulong sizes.
7326 if (arg2
& (sizeof(abi_ulong
) - 1)) {
7327 ret
= -TARGET_EINVAL
;
7330 mask_size
= (arg2
+ (sizeof(*mask
) - 1)) & ~(sizeof(*mask
) - 1);
7332 mask
= alloca(mask_size
);
7333 ret
= get_errno(sys_sched_getaffinity(arg1
, mask_size
, mask
));
7335 if (!is_error(ret
)) {
7336 if (copy_to_user(arg3
, mask
, ret
)) {
7342 case TARGET_NR_sched_setaffinity
:
7344 unsigned int mask_size
;
7345 unsigned long *mask
;
7348 * sched_setaffinity needs multiples of ulong, so need to take
7349 * care of mismatches between target ulong and host ulong sizes.
7351 if (arg2
& (sizeof(abi_ulong
) - 1)) {
7352 ret
= -TARGET_EINVAL
;
7355 mask_size
= (arg2
+ (sizeof(*mask
) - 1)) & ~(sizeof(*mask
) - 1);
7357 mask
= alloca(mask_size
);
7358 if (!lock_user_struct(VERIFY_READ
, p
, arg3
, 1)) {
7361 memcpy(mask
, p
, arg2
);
7362 unlock_user_struct(p
, arg2
, 0);
7364 ret
= get_errno(sys_sched_setaffinity(arg1
, mask_size
, mask
));
7367 case TARGET_NR_sched_setparam
:
7369 struct sched_param
*target_schp
;
7370 struct sched_param schp
;
7372 if (!lock_user_struct(VERIFY_READ
, target_schp
, arg2
, 1))
7374 schp
.sched_priority
= tswap32(target_schp
->sched_priority
);
7375 unlock_user_struct(target_schp
, arg2
, 0);
7376 ret
= get_errno(sched_setparam(arg1
, &schp
));
7379 case TARGET_NR_sched_getparam
:
7381 struct sched_param
*target_schp
;
7382 struct sched_param schp
;
7383 ret
= get_errno(sched_getparam(arg1
, &schp
));
7384 if (!is_error(ret
)) {
7385 if (!lock_user_struct(VERIFY_WRITE
, target_schp
, arg2
, 0))
7387 target_schp
->sched_priority
= tswap32(schp
.sched_priority
);
7388 unlock_user_struct(target_schp
, arg2
, 1);
7392 case TARGET_NR_sched_setscheduler
:
7394 struct sched_param
*target_schp
;
7395 struct sched_param schp
;
7396 if (!lock_user_struct(VERIFY_READ
, target_schp
, arg3
, 1))
7398 schp
.sched_priority
= tswap32(target_schp
->sched_priority
);
7399 unlock_user_struct(target_schp
, arg3
, 0);
7400 ret
= get_errno(sched_setscheduler(arg1
, arg2
, &schp
));
7403 case TARGET_NR_sched_getscheduler
:
7404 ret
= get_errno(sched_getscheduler(arg1
));
7406 case TARGET_NR_sched_yield
:
7407 ret
= get_errno(sched_yield());
7409 case TARGET_NR_sched_get_priority_max
:
7410 ret
= get_errno(sched_get_priority_max(arg1
));
7412 case TARGET_NR_sched_get_priority_min
:
7413 ret
= get_errno(sched_get_priority_min(arg1
));
7415 case TARGET_NR_sched_rr_get_interval
:
7418 ret
= get_errno(sched_rr_get_interval(arg1
, &ts
));
7419 if (!is_error(ret
)) {
7420 host_to_target_timespec(arg2
, &ts
);
7424 case TARGET_NR_nanosleep
:
7426 struct timespec req
, rem
;
7427 target_to_host_timespec(&req
, arg1
);
7428 ret
= get_errno(nanosleep(&req
, &rem
));
7429 if (is_error(ret
) && arg2
) {
7430 host_to_target_timespec(arg2
, &rem
);
7434 #ifdef TARGET_NR_query_module
7435 case TARGET_NR_query_module
:
7438 #ifdef TARGET_NR_nfsservctl
7439 case TARGET_NR_nfsservctl
:
7442 case TARGET_NR_prctl
:
7444 case PR_GET_PDEATHSIG
:
7447 ret
= get_errno(prctl(arg1
, &deathsig
, arg3
, arg4
, arg5
));
7448 if (!is_error(ret
) && arg2
7449 && put_user_ual(deathsig
, arg2
)) {
7457 void *name
= lock_user(VERIFY_WRITE
, arg2
, 16, 1);
7461 ret
= get_errno(prctl(arg1
, (unsigned long)name
,
7463 unlock_user(name
, arg2
, 16);
7468 void *name
= lock_user(VERIFY_READ
, arg2
, 16, 1);
7472 ret
= get_errno(prctl(arg1
, (unsigned long)name
,
7474 unlock_user(name
, arg2
, 0);
7479 /* Most prctl options have no pointer arguments */
7480 ret
= get_errno(prctl(arg1
, arg2
, arg3
, arg4
, arg5
));
7484 #ifdef TARGET_NR_arch_prctl
7485 case TARGET_NR_arch_prctl
:
7486 #if defined(TARGET_I386) && !defined(TARGET_ABI32)
7487 ret
= do_arch_prctl(cpu_env
, arg1
, arg2
);
7493 #ifdef TARGET_NR_pread64
7494 case TARGET_NR_pread64
:
7495 if (regpairs_aligned(cpu_env
)) {
7499 if (!(p
= lock_user(VERIFY_WRITE
, arg2
, arg3
, 0)))
7501 ret
= get_errno(pread64(arg1
, p
, arg3
, target_offset64(arg4
, arg5
)));
7502 unlock_user(p
, arg2
, ret
);
7504 case TARGET_NR_pwrite64
:
7505 if (regpairs_aligned(cpu_env
)) {
7509 if (!(p
= lock_user(VERIFY_READ
, arg2
, arg3
, 1)))
7511 ret
= get_errno(pwrite64(arg1
, p
, arg3
, target_offset64(arg4
, arg5
)));
7512 unlock_user(p
, arg2
, 0);
7515 case TARGET_NR_getcwd
:
7516 if (!(p
= lock_user(VERIFY_WRITE
, arg1
, arg2
, 0)))
7518 ret
= get_errno(sys_getcwd1(p
, arg2
));
7519 unlock_user(p
, arg1
, ret
);
7521 case TARGET_NR_capget
:
7523 case TARGET_NR_capset
:
7525 case TARGET_NR_sigaltstack
:
7526 #if defined(TARGET_I386) || defined(TARGET_ARM) || defined(TARGET_MIPS) || \
7527 defined(TARGET_SPARC) || defined(TARGET_PPC) || defined(TARGET_ALPHA) || \
7528 defined(TARGET_M68K) || defined(TARGET_S390X) || defined(TARGET_OPENRISC)
7529 ret
= do_sigaltstack(arg1
, arg2
, get_sp_from_cpustate((CPUArchState
*)cpu_env
));
7534 case TARGET_NR_sendfile
:
7536 #ifdef TARGET_NR_getpmsg
7537 case TARGET_NR_getpmsg
:
7540 #ifdef TARGET_NR_putpmsg
7541 case TARGET_NR_putpmsg
:
7544 #ifdef TARGET_NR_vfork
7545 case TARGET_NR_vfork
:
7546 ret
= get_errno(do_fork(cpu_env
, CLONE_VFORK
| CLONE_VM
| SIGCHLD
,
7550 #ifdef TARGET_NR_ugetrlimit
7551 case TARGET_NR_ugetrlimit
:
7554 int resource
= target_to_host_resource(arg1
);
7555 ret
= get_errno(getrlimit(resource
, &rlim
));
7556 if (!is_error(ret
)) {
7557 struct target_rlimit
*target_rlim
;
7558 if (!lock_user_struct(VERIFY_WRITE
, target_rlim
, arg2
, 0))
7560 target_rlim
->rlim_cur
= host_to_target_rlim(rlim
.rlim_cur
);
7561 target_rlim
->rlim_max
= host_to_target_rlim(rlim
.rlim_max
);
7562 unlock_user_struct(target_rlim
, arg2
, 1);
7567 #ifdef TARGET_NR_truncate64
7568 case TARGET_NR_truncate64
:
7569 if (!(p
= lock_user_string(arg1
)))
7571 ret
= target_truncate64(cpu_env
, p
, arg2
, arg3
, arg4
);
7572 unlock_user(p
, arg1
, 0);
7575 #ifdef TARGET_NR_ftruncate64
7576 case TARGET_NR_ftruncate64
:
7577 ret
= target_ftruncate64(cpu_env
, arg1
, arg2
, arg3
, arg4
);
7580 #ifdef TARGET_NR_stat64
7581 case TARGET_NR_stat64
:
7582 if (!(p
= lock_user_string(arg1
)))
7584 ret
= get_errno(stat(path(p
), &st
));
7585 unlock_user(p
, arg1
, 0);
7587 ret
= host_to_target_stat64(cpu_env
, arg2
, &st
);
7590 #ifdef TARGET_NR_lstat64
7591 case TARGET_NR_lstat64
:
7592 if (!(p
= lock_user_string(arg1
)))
7594 ret
= get_errno(lstat(path(p
), &st
));
7595 unlock_user(p
, arg1
, 0);
7597 ret
= host_to_target_stat64(cpu_env
, arg2
, &st
);
7600 #ifdef TARGET_NR_fstat64
7601 case TARGET_NR_fstat64
:
7602 ret
= get_errno(fstat(arg1
, &st
));
7604 ret
= host_to_target_stat64(cpu_env
, arg2
, &st
);
7607 #if (defined(TARGET_NR_fstatat64) || defined(TARGET_NR_newfstatat)) && \
7608 (defined(__NR_fstatat64) || defined(__NR_newfstatat))
7609 #ifdef TARGET_NR_fstatat64
7610 case TARGET_NR_fstatat64
:
7612 #ifdef TARGET_NR_newfstatat
7613 case TARGET_NR_newfstatat
:
7615 if (!(p
= lock_user_string(arg2
)))
7617 #ifdef __NR_fstatat64
7618 ret
= get_errno(sys_fstatat64(arg1
, path(p
), &st
, arg4
));
7620 ret
= get_errno(sys_newfstatat(arg1
, path(p
), &st
, arg4
));
7623 ret
= host_to_target_stat64(cpu_env
, arg3
, &st
);
7626 case TARGET_NR_lchown
:
7627 if (!(p
= lock_user_string(arg1
)))
7629 ret
= get_errno(lchown(p
, low2highuid(arg2
), low2highgid(arg3
)));
7630 unlock_user(p
, arg1
, 0);
7632 #ifdef TARGET_NR_getuid
7633 case TARGET_NR_getuid
:
7634 ret
= get_errno(high2lowuid(getuid()));
7637 #ifdef TARGET_NR_getgid
7638 case TARGET_NR_getgid
:
7639 ret
= get_errno(high2lowgid(getgid()));
7642 #ifdef TARGET_NR_geteuid
7643 case TARGET_NR_geteuid
:
7644 ret
= get_errno(high2lowuid(geteuid()));
7647 #ifdef TARGET_NR_getegid
7648 case TARGET_NR_getegid
:
7649 ret
= get_errno(high2lowgid(getegid()));
7652 case TARGET_NR_setreuid
:
7653 ret
= get_errno(setreuid(low2highuid(arg1
), low2highuid(arg2
)));
7655 case TARGET_NR_setregid
:
7656 ret
= get_errno(setregid(low2highgid(arg1
), low2highgid(arg2
)));
7658 case TARGET_NR_getgroups
:
7660 int gidsetsize
= arg1
;
7661 target_id
*target_grouplist
;
7665 grouplist
= alloca(gidsetsize
* sizeof(gid_t
));
7666 ret
= get_errno(getgroups(gidsetsize
, grouplist
));
7667 if (gidsetsize
== 0)
7669 if (!is_error(ret
)) {
7670 target_grouplist
= lock_user(VERIFY_WRITE
, arg2
, gidsetsize
* 2, 0);
7671 if (!target_grouplist
)
7673 for(i
= 0;i
< ret
; i
++)
7674 target_grouplist
[i
] = tswapid(high2lowgid(grouplist
[i
]));
7675 unlock_user(target_grouplist
, arg2
, gidsetsize
* 2);
7679 case TARGET_NR_setgroups
:
7681 int gidsetsize
= arg1
;
7682 target_id
*target_grouplist
;
7683 gid_t
*grouplist
= NULL
;
7686 grouplist
= alloca(gidsetsize
* sizeof(gid_t
));
7687 target_grouplist
= lock_user(VERIFY_READ
, arg2
, gidsetsize
* 2, 1);
7688 if (!target_grouplist
) {
7689 ret
= -TARGET_EFAULT
;
7692 for (i
= 0; i
< gidsetsize
; i
++) {
7693 grouplist
[i
] = low2highgid(tswapid(target_grouplist
[i
]));
7695 unlock_user(target_grouplist
, arg2
, 0);
7697 ret
= get_errno(setgroups(gidsetsize
, grouplist
));
7700 case TARGET_NR_fchown
:
7701 ret
= get_errno(fchown(arg1
, low2highuid(arg2
), low2highgid(arg3
)));
7703 #if defined(TARGET_NR_fchownat) && defined(__NR_fchownat)
7704 case TARGET_NR_fchownat
:
7705 if (!(p
= lock_user_string(arg2
)))
7707 ret
= get_errno(sys_fchownat(arg1
, p
, low2highuid(arg3
), low2highgid(arg4
), arg5
));
7708 unlock_user(p
, arg2
, 0);
7711 #ifdef TARGET_NR_setresuid
7712 case TARGET_NR_setresuid
:
7713 ret
= get_errno(setresuid(low2highuid(arg1
),
7715 low2highuid(arg3
)));
7718 #ifdef TARGET_NR_getresuid
7719 case TARGET_NR_getresuid
:
7721 uid_t ruid
, euid
, suid
;
7722 ret
= get_errno(getresuid(&ruid
, &euid
, &suid
));
7723 if (!is_error(ret
)) {
7724 if (put_user_u16(high2lowuid(ruid
), arg1
)
7725 || put_user_u16(high2lowuid(euid
), arg2
)
7726 || put_user_u16(high2lowuid(suid
), arg3
))
7732 #ifdef TARGET_NR_getresgid
7733 case TARGET_NR_setresgid
:
7734 ret
= get_errno(setresgid(low2highgid(arg1
),
7736 low2highgid(arg3
)));
7739 #ifdef TARGET_NR_getresgid
7740 case TARGET_NR_getresgid
:
7742 gid_t rgid
, egid
, sgid
;
7743 ret
= get_errno(getresgid(&rgid
, &egid
, &sgid
));
7744 if (!is_error(ret
)) {
7745 if (put_user_u16(high2lowgid(rgid
), arg1
)
7746 || put_user_u16(high2lowgid(egid
), arg2
)
7747 || put_user_u16(high2lowgid(sgid
), arg3
))
7753 case TARGET_NR_chown
:
7754 if (!(p
= lock_user_string(arg1
)))
7756 ret
= get_errno(chown(p
, low2highuid(arg2
), low2highgid(arg3
)));
7757 unlock_user(p
, arg1
, 0);
7759 case TARGET_NR_setuid
:
7760 ret
= get_errno(setuid(low2highuid(arg1
)));
7762 case TARGET_NR_setgid
:
7763 ret
= get_errno(setgid(low2highgid(arg1
)));
7765 case TARGET_NR_setfsuid
:
7766 ret
= get_errno(setfsuid(arg1
));
7768 case TARGET_NR_setfsgid
:
7769 ret
= get_errno(setfsgid(arg1
));
7772 #ifdef TARGET_NR_lchown32
7773 case TARGET_NR_lchown32
:
7774 if (!(p
= lock_user_string(arg1
)))
7776 ret
= get_errno(lchown(p
, arg2
, arg3
));
7777 unlock_user(p
, arg1
, 0);
7780 #ifdef TARGET_NR_getuid32
7781 case TARGET_NR_getuid32
:
7782 ret
= get_errno(getuid());
7786 #if defined(TARGET_NR_getxuid) && defined(TARGET_ALPHA)
7787 /* Alpha specific */
7788 case TARGET_NR_getxuid
:
7792 ((CPUAlphaState
*)cpu_env
)->ir
[IR_A4
]=euid
;
7794 ret
= get_errno(getuid());
7797 #if defined(TARGET_NR_getxgid) && defined(TARGET_ALPHA)
7798 /* Alpha specific */
7799 case TARGET_NR_getxgid
:
7803 ((CPUAlphaState
*)cpu_env
)->ir
[IR_A4
]=egid
;
7805 ret
= get_errno(getgid());
7808 #if defined(TARGET_NR_osf_getsysinfo) && defined(TARGET_ALPHA)
7809 /* Alpha specific */
7810 case TARGET_NR_osf_getsysinfo
:
7811 ret
= -TARGET_EOPNOTSUPP
;
7813 case TARGET_GSI_IEEE_FP_CONTROL
:
7815 uint64_t swcr
, fpcr
= cpu_alpha_load_fpcr (cpu_env
);
7817 /* Copied from linux ieee_fpcr_to_swcr. */
7818 swcr
= (fpcr
>> 35) & SWCR_STATUS_MASK
;
7819 swcr
|= (fpcr
>> 36) & SWCR_MAP_DMZ
;
7820 swcr
|= (~fpcr
>> 48) & (SWCR_TRAP_ENABLE_INV
7821 | SWCR_TRAP_ENABLE_DZE
7822 | SWCR_TRAP_ENABLE_OVF
);
7823 swcr
|= (~fpcr
>> 57) & (SWCR_TRAP_ENABLE_UNF
7824 | SWCR_TRAP_ENABLE_INE
);
7825 swcr
|= (fpcr
>> 47) & SWCR_MAP_UMZ
;
7826 swcr
|= (~fpcr
>> 41) & SWCR_TRAP_ENABLE_DNO
;
7828 if (put_user_u64 (swcr
, arg2
))
7834 /* case GSI_IEEE_STATE_AT_SIGNAL:
7835 -- Not implemented in linux kernel.
7837 -- Retrieves current unaligned access state; not much used.
7839 -- Retrieves implver information; surely not used.
7841 -- Grabs a copy of the HWRPB; surely not used.
7846 #if defined(TARGET_NR_osf_setsysinfo) && defined(TARGET_ALPHA)
7847 /* Alpha specific */
7848 case TARGET_NR_osf_setsysinfo
:
7849 ret
= -TARGET_EOPNOTSUPP
;
7851 case TARGET_SSI_IEEE_FP_CONTROL
:
7853 uint64_t swcr
, fpcr
, orig_fpcr
;
7855 if (get_user_u64 (swcr
, arg2
)) {
7858 orig_fpcr
= cpu_alpha_load_fpcr(cpu_env
);
7859 fpcr
= orig_fpcr
& FPCR_DYN_MASK
;
7861 /* Copied from linux ieee_swcr_to_fpcr. */
7862 fpcr
|= (swcr
& SWCR_STATUS_MASK
) << 35;
7863 fpcr
|= (swcr
& SWCR_MAP_DMZ
) << 36;
7864 fpcr
|= (~swcr
& (SWCR_TRAP_ENABLE_INV
7865 | SWCR_TRAP_ENABLE_DZE
7866 | SWCR_TRAP_ENABLE_OVF
)) << 48;
7867 fpcr
|= (~swcr
& (SWCR_TRAP_ENABLE_UNF
7868 | SWCR_TRAP_ENABLE_INE
)) << 57;
7869 fpcr
|= (swcr
& SWCR_MAP_UMZ
? FPCR_UNDZ
| FPCR_UNFD
: 0);
7870 fpcr
|= (~swcr
& SWCR_TRAP_ENABLE_DNO
) << 41;
7872 cpu_alpha_store_fpcr(cpu_env
, fpcr
);
7877 case TARGET_SSI_IEEE_RAISE_EXCEPTION
:
7879 uint64_t exc
, fpcr
, orig_fpcr
;
7882 if (get_user_u64(exc
, arg2
)) {
7886 orig_fpcr
= cpu_alpha_load_fpcr(cpu_env
);
7888 /* We only add to the exception status here. */
7889 fpcr
= orig_fpcr
| ((exc
& SWCR_STATUS_MASK
) << 35);
7891 cpu_alpha_store_fpcr(cpu_env
, fpcr
);
7894 /* Old exceptions are not signaled. */
7895 fpcr
&= ~(orig_fpcr
& FPCR_STATUS_MASK
);
7897 /* If any exceptions set by this call,
7898 and are unmasked, send a signal. */
7900 if ((fpcr
& (FPCR_INE
| FPCR_INED
)) == FPCR_INE
) {
7901 si_code
= TARGET_FPE_FLTRES
;
7903 if ((fpcr
& (FPCR_UNF
| FPCR_UNFD
)) == FPCR_UNF
) {
7904 si_code
= TARGET_FPE_FLTUND
;
7906 if ((fpcr
& (FPCR_OVF
| FPCR_OVFD
)) == FPCR_OVF
) {
7907 si_code
= TARGET_FPE_FLTOVF
;
7909 if ((fpcr
& (FPCR_DZE
| FPCR_DZED
)) == FPCR_DZE
) {
7910 si_code
= TARGET_FPE_FLTDIV
;
7912 if ((fpcr
& (FPCR_INV
| FPCR_INVD
)) == FPCR_INV
) {
7913 si_code
= TARGET_FPE_FLTINV
;
7916 target_siginfo_t info
;
7917 info
.si_signo
= SIGFPE
;
7919 info
.si_code
= si_code
;
7920 info
._sifields
._sigfault
._addr
7921 = ((CPUArchState
*)cpu_env
)->pc
;
7922 queue_signal((CPUArchState
*)cpu_env
, info
.si_signo
, &info
);
7927 /* case SSI_NVPAIRS:
7928 -- Used with SSIN_UACPROC to enable unaligned accesses.
7929 case SSI_IEEE_STATE_AT_SIGNAL:
7930 case SSI_IEEE_IGNORE_STATE_AT_SIGNAL:
7931 -- Not implemented in linux kernel
7936 #ifdef TARGET_NR_osf_sigprocmask
7937 /* Alpha specific. */
7938 case TARGET_NR_osf_sigprocmask
:
7942 sigset_t set
, oldset
;
7945 case TARGET_SIG_BLOCK
:
7948 case TARGET_SIG_UNBLOCK
:
7951 case TARGET_SIG_SETMASK
:
7955 ret
= -TARGET_EINVAL
;
7959 target_to_host_old_sigset(&set
, &mask
);
7960 sigprocmask(how
, &set
, &oldset
);
7961 host_to_target_old_sigset(&mask
, &oldset
);
7967 #ifdef TARGET_NR_getgid32
7968 case TARGET_NR_getgid32
:
7969 ret
= get_errno(getgid());
7972 #ifdef TARGET_NR_geteuid32
7973 case TARGET_NR_geteuid32
:
7974 ret
= get_errno(geteuid());
7977 #ifdef TARGET_NR_getegid32
7978 case TARGET_NR_getegid32
:
7979 ret
= get_errno(getegid());
7982 #ifdef TARGET_NR_setreuid32
7983 case TARGET_NR_setreuid32
:
7984 ret
= get_errno(setreuid(arg1
, arg2
));
7987 #ifdef TARGET_NR_setregid32
7988 case TARGET_NR_setregid32
:
7989 ret
= get_errno(setregid(arg1
, arg2
));
7992 #ifdef TARGET_NR_getgroups32
7993 case TARGET_NR_getgroups32
:
7995 int gidsetsize
= arg1
;
7996 uint32_t *target_grouplist
;
8000 grouplist
= alloca(gidsetsize
* sizeof(gid_t
));
8001 ret
= get_errno(getgroups(gidsetsize
, grouplist
));
8002 if (gidsetsize
== 0)
8004 if (!is_error(ret
)) {
8005 target_grouplist
= lock_user(VERIFY_WRITE
, arg2
, gidsetsize
* 4, 0);
8006 if (!target_grouplist
) {
8007 ret
= -TARGET_EFAULT
;
8010 for(i
= 0;i
< ret
; i
++)
8011 target_grouplist
[i
] = tswap32(grouplist
[i
]);
8012 unlock_user(target_grouplist
, arg2
, gidsetsize
* 4);
8017 #ifdef TARGET_NR_setgroups32
8018 case TARGET_NR_setgroups32
:
8020 int gidsetsize
= arg1
;
8021 uint32_t *target_grouplist
;
8025 grouplist
= alloca(gidsetsize
* sizeof(gid_t
));
8026 target_grouplist
= lock_user(VERIFY_READ
, arg2
, gidsetsize
* 4, 1);
8027 if (!target_grouplist
) {
8028 ret
= -TARGET_EFAULT
;
8031 for(i
= 0;i
< gidsetsize
; i
++)
8032 grouplist
[i
] = tswap32(target_grouplist
[i
]);
8033 unlock_user(target_grouplist
, arg2
, 0);
8034 ret
= get_errno(setgroups(gidsetsize
, grouplist
));
8038 #ifdef TARGET_NR_fchown32
8039 case TARGET_NR_fchown32
:
8040 ret
= get_errno(fchown(arg1
, arg2
, arg3
));
8043 #ifdef TARGET_NR_setresuid32
8044 case TARGET_NR_setresuid32
:
8045 ret
= get_errno(setresuid(arg1
, arg2
, arg3
));
8048 #ifdef TARGET_NR_getresuid32
8049 case TARGET_NR_getresuid32
:
8051 uid_t ruid
, euid
, suid
;
8052 ret
= get_errno(getresuid(&ruid
, &euid
, &suid
));
8053 if (!is_error(ret
)) {
8054 if (put_user_u32(ruid
, arg1
)
8055 || put_user_u32(euid
, arg2
)
8056 || put_user_u32(suid
, arg3
))
8062 #ifdef TARGET_NR_setresgid32
8063 case TARGET_NR_setresgid32
:
8064 ret
= get_errno(setresgid(arg1
, arg2
, arg3
));
8067 #ifdef TARGET_NR_getresgid32
8068 case TARGET_NR_getresgid32
:
8070 gid_t rgid
, egid
, sgid
;
8071 ret
= get_errno(getresgid(&rgid
, &egid
, &sgid
));
8072 if (!is_error(ret
)) {
8073 if (put_user_u32(rgid
, arg1
)
8074 || put_user_u32(egid
, arg2
)
8075 || put_user_u32(sgid
, arg3
))
8081 #ifdef TARGET_NR_chown32
8082 case TARGET_NR_chown32
:
8083 if (!(p
= lock_user_string(arg1
)))
8085 ret
= get_errno(chown(p
, arg2
, arg3
));
8086 unlock_user(p
, arg1
, 0);
8089 #ifdef TARGET_NR_setuid32
8090 case TARGET_NR_setuid32
:
8091 ret
= get_errno(setuid(arg1
));
8094 #ifdef TARGET_NR_setgid32
8095 case TARGET_NR_setgid32
:
8096 ret
= get_errno(setgid(arg1
));
8099 #ifdef TARGET_NR_setfsuid32
8100 case TARGET_NR_setfsuid32
:
8101 ret
= get_errno(setfsuid(arg1
));
8104 #ifdef TARGET_NR_setfsgid32
8105 case TARGET_NR_setfsgid32
:
8106 ret
= get_errno(setfsgid(arg1
));
8110 case TARGET_NR_pivot_root
:
8112 #ifdef TARGET_NR_mincore
8113 case TARGET_NR_mincore
:
8116 ret
= -TARGET_EFAULT
;
8117 if (!(a
= lock_user(VERIFY_READ
, arg1
,arg2
, 0)))
8119 if (!(p
= lock_user_string(arg3
)))
8121 ret
= get_errno(mincore(a
, arg2
, p
));
8122 unlock_user(p
, arg3
, ret
);
8124 unlock_user(a
, arg1
, 0);
8128 #ifdef TARGET_NR_arm_fadvise64_64
8129 case TARGET_NR_arm_fadvise64_64
:
8132 * arm_fadvise64_64 looks like fadvise64_64 but
8133 * with different argument order
8141 #if defined(TARGET_NR_fadvise64_64) || defined(TARGET_NR_arm_fadvise64_64) || defined(TARGET_NR_fadvise64)
8142 #ifdef TARGET_NR_fadvise64_64
8143 case TARGET_NR_fadvise64_64
:
8145 #ifdef TARGET_NR_fadvise64
8146 case TARGET_NR_fadvise64
:
8150 case 4: arg4
= POSIX_FADV_NOREUSE
+ 1; break; /* make sure it's an invalid value */
8151 case 5: arg4
= POSIX_FADV_NOREUSE
+ 2; break; /* ditto */
8152 case 6: arg4
= POSIX_FADV_DONTNEED
; break;
8153 case 7: arg4
= POSIX_FADV_NOREUSE
; break;
8157 ret
= -posix_fadvise(arg1
, arg2
, arg3
, arg4
);
8160 #ifdef TARGET_NR_madvise
8161 case TARGET_NR_madvise
:
8162 /* A straight passthrough may not be safe because qemu sometimes
8163 turns private flie-backed mappings into anonymous mappings.
8164 This will break MADV_DONTNEED.
8165 This is a hint, so ignoring and returning success is ok. */
8169 #if TARGET_ABI_BITS == 32
8170 case TARGET_NR_fcntl64
:
8174 struct target_flock64
*target_fl
;
8176 struct target_eabi_flock64
*target_efl
;
8179 cmd
= target_to_host_fcntl_cmd(arg2
);
8180 if (cmd
== -TARGET_EINVAL
) {
8186 case TARGET_F_GETLK64
:
8188 if (((CPUARMState
*)cpu_env
)->eabi
) {
8189 if (!lock_user_struct(VERIFY_READ
, target_efl
, arg3
, 1))
8191 fl
.l_type
= tswap16(target_efl
->l_type
);
8192 fl
.l_whence
= tswap16(target_efl
->l_whence
);
8193 fl
.l_start
= tswap64(target_efl
->l_start
);
8194 fl
.l_len
= tswap64(target_efl
->l_len
);
8195 fl
.l_pid
= tswap32(target_efl
->l_pid
);
8196 unlock_user_struct(target_efl
, arg3
, 0);
8200 if (!lock_user_struct(VERIFY_READ
, target_fl
, arg3
, 1))
8202 fl
.l_type
= tswap16(target_fl
->l_type
);
8203 fl
.l_whence
= tswap16(target_fl
->l_whence
);
8204 fl
.l_start
= tswap64(target_fl
->l_start
);
8205 fl
.l_len
= tswap64(target_fl
->l_len
);
8206 fl
.l_pid
= tswap32(target_fl
->l_pid
);
8207 unlock_user_struct(target_fl
, arg3
, 0);
8209 ret
= get_errno(fcntl(arg1
, cmd
, &fl
));
8212 if (((CPUARMState
*)cpu_env
)->eabi
) {
8213 if (!lock_user_struct(VERIFY_WRITE
, target_efl
, arg3
, 0))
8215 target_efl
->l_type
= tswap16(fl
.l_type
);
8216 target_efl
->l_whence
= tswap16(fl
.l_whence
);
8217 target_efl
->l_start
= tswap64(fl
.l_start
);
8218 target_efl
->l_len
= tswap64(fl
.l_len
);
8219 target_efl
->l_pid
= tswap32(fl
.l_pid
);
8220 unlock_user_struct(target_efl
, arg3
, 1);
8224 if (!lock_user_struct(VERIFY_WRITE
, target_fl
, arg3
, 0))
8226 target_fl
->l_type
= tswap16(fl
.l_type
);
8227 target_fl
->l_whence
= tswap16(fl
.l_whence
);
8228 target_fl
->l_start
= tswap64(fl
.l_start
);
8229 target_fl
->l_len
= tswap64(fl
.l_len
);
8230 target_fl
->l_pid
= tswap32(fl
.l_pid
);
8231 unlock_user_struct(target_fl
, arg3
, 1);
8236 case TARGET_F_SETLK64
:
8237 case TARGET_F_SETLKW64
:
8239 if (((CPUARMState
*)cpu_env
)->eabi
) {
8240 if (!lock_user_struct(VERIFY_READ
, target_efl
, arg3
, 1))
8242 fl
.l_type
= tswap16(target_efl
->l_type
);
8243 fl
.l_whence
= tswap16(target_efl
->l_whence
);
8244 fl
.l_start
= tswap64(target_efl
->l_start
);
8245 fl
.l_len
= tswap64(target_efl
->l_len
);
8246 fl
.l_pid
= tswap32(target_efl
->l_pid
);
8247 unlock_user_struct(target_efl
, arg3
, 0);
8251 if (!lock_user_struct(VERIFY_READ
, target_fl
, arg3
, 1))
8253 fl
.l_type
= tswap16(target_fl
->l_type
);
8254 fl
.l_whence
= tswap16(target_fl
->l_whence
);
8255 fl
.l_start
= tswap64(target_fl
->l_start
);
8256 fl
.l_len
= tswap64(target_fl
->l_len
);
8257 fl
.l_pid
= tswap32(target_fl
->l_pid
);
8258 unlock_user_struct(target_fl
, arg3
, 0);
8260 ret
= get_errno(fcntl(arg1
, cmd
, &fl
));
8263 ret
= do_fcntl(arg1
, arg2
, arg3
);
8269 #ifdef TARGET_NR_cacheflush
8270 case TARGET_NR_cacheflush
:
8271 /* self-modifying code is handled automatically, so nothing needed */
8275 #ifdef TARGET_NR_security
8276 case TARGET_NR_security
:
8279 #ifdef TARGET_NR_getpagesize
8280 case TARGET_NR_getpagesize
:
8281 ret
= TARGET_PAGE_SIZE
;
8284 case TARGET_NR_gettid
:
8285 ret
= get_errno(gettid());
8287 #ifdef TARGET_NR_readahead
8288 case TARGET_NR_readahead
:
8289 #if TARGET_ABI_BITS == 32
8290 if (regpairs_aligned(cpu_env
)) {
8295 ret
= get_errno(readahead(arg1
, ((off64_t
)arg3
<< 32) | arg2
, arg4
));
8297 ret
= get_errno(readahead(arg1
, arg2
, arg3
));
8302 #ifdef TARGET_NR_setxattr
8303 case TARGET_NR_listxattr
:
8304 case TARGET_NR_llistxattr
:
8308 b
= lock_user(VERIFY_WRITE
, arg2
, arg3
, 0);
8310 ret
= -TARGET_EFAULT
;
8314 p
= lock_user_string(arg1
);
8316 if (num
== TARGET_NR_listxattr
) {
8317 ret
= get_errno(listxattr(p
, b
, arg3
));
8319 ret
= get_errno(llistxattr(p
, b
, arg3
));
8322 ret
= -TARGET_EFAULT
;
8324 unlock_user(p
, arg1
, 0);
8325 unlock_user(b
, arg2
, arg3
);
8328 case TARGET_NR_flistxattr
:
8332 b
= lock_user(VERIFY_WRITE
, arg2
, arg3
, 0);
8334 ret
= -TARGET_EFAULT
;
8338 ret
= get_errno(flistxattr(arg1
, b
, arg3
));
8339 unlock_user(b
, arg2
, arg3
);
8342 case TARGET_NR_setxattr
:
8343 case TARGET_NR_lsetxattr
:
8345 void *p
, *n
, *v
= 0;
8347 v
= lock_user(VERIFY_READ
, arg3
, arg4
, 1);
8349 ret
= -TARGET_EFAULT
;
8353 p
= lock_user_string(arg1
);
8354 n
= lock_user_string(arg2
);
8356 if (num
== TARGET_NR_setxattr
) {
8357 ret
= get_errno(setxattr(p
, n
, v
, arg4
, arg5
));
8359 ret
= get_errno(lsetxattr(p
, n
, v
, arg4
, arg5
));
8362 ret
= -TARGET_EFAULT
;
8364 unlock_user(p
, arg1
, 0);
8365 unlock_user(n
, arg2
, 0);
8366 unlock_user(v
, arg3
, 0);
8369 case TARGET_NR_fsetxattr
:
8373 v
= lock_user(VERIFY_READ
, arg3
, arg4
, 1);
8375 ret
= -TARGET_EFAULT
;
8379 n
= lock_user_string(arg2
);
8381 ret
= get_errno(fsetxattr(arg1
, n
, v
, arg4
, arg5
));
8383 ret
= -TARGET_EFAULT
;
8385 unlock_user(n
, arg2
, 0);
8386 unlock_user(v
, arg3
, 0);
8389 case TARGET_NR_getxattr
:
8390 case TARGET_NR_lgetxattr
:
8392 void *p
, *n
, *v
= 0;
8394 v
= lock_user(VERIFY_WRITE
, arg3
, arg4
, 0);
8396 ret
= -TARGET_EFAULT
;
8400 p
= lock_user_string(arg1
);
8401 n
= lock_user_string(arg2
);
8403 if (num
== TARGET_NR_getxattr
) {
8404 ret
= get_errno(getxattr(p
, n
, v
, arg4
));
8406 ret
= get_errno(lgetxattr(p
, n
, v
, arg4
));
8409 ret
= -TARGET_EFAULT
;
8411 unlock_user(p
, arg1
, 0);
8412 unlock_user(n
, arg2
, 0);
8413 unlock_user(v
, arg3
, arg4
);
8416 case TARGET_NR_fgetxattr
:
8420 v
= lock_user(VERIFY_WRITE
, arg3
, arg4
, 0);
8422 ret
= -TARGET_EFAULT
;
8426 n
= lock_user_string(arg2
);
8428 ret
= get_errno(fgetxattr(arg1
, n
, v
, arg4
));
8430 ret
= -TARGET_EFAULT
;
8432 unlock_user(n
, arg2
, 0);
8433 unlock_user(v
, arg3
, arg4
);
8436 case TARGET_NR_removexattr
:
8437 case TARGET_NR_lremovexattr
:
8440 p
= lock_user_string(arg1
);
8441 n
= lock_user_string(arg2
);
8443 if (num
== TARGET_NR_removexattr
) {
8444 ret
= get_errno(removexattr(p
, n
));
8446 ret
= get_errno(lremovexattr(p
, n
));
8449 ret
= -TARGET_EFAULT
;
8451 unlock_user(p
, arg1
, 0);
8452 unlock_user(n
, arg2
, 0);
8455 case TARGET_NR_fremovexattr
:
8458 n
= lock_user_string(arg2
);
8460 ret
= get_errno(fremovexattr(arg1
, n
));
8462 ret
= -TARGET_EFAULT
;
8464 unlock_user(n
, arg2
, 0);
8468 #endif /* CONFIG_ATTR */
8469 #ifdef TARGET_NR_set_thread_area
8470 case TARGET_NR_set_thread_area
:
8471 #if defined(TARGET_MIPS)
8472 ((CPUMIPSState
*) cpu_env
)->tls_value
= arg1
;
8475 #elif defined(TARGET_CRIS)
8477 ret
= -TARGET_EINVAL
;
8479 ((CPUCRISState
*) cpu_env
)->pregs
[PR_PID
] = arg1
;
8483 #elif defined(TARGET_I386) && defined(TARGET_ABI32)
8484 ret
= do_set_thread_area(cpu_env
, arg1
);
8487 goto unimplemented_nowarn
;
8490 #ifdef TARGET_NR_get_thread_area
8491 case TARGET_NR_get_thread_area
:
8492 #if defined(TARGET_I386) && defined(TARGET_ABI32)
8493 ret
= do_get_thread_area(cpu_env
, arg1
);
8495 goto unimplemented_nowarn
;
8498 #ifdef TARGET_NR_getdomainname
8499 case TARGET_NR_getdomainname
:
8500 goto unimplemented_nowarn
;
8503 #ifdef TARGET_NR_clock_gettime
8504 case TARGET_NR_clock_gettime
:
8507 ret
= get_errno(clock_gettime(arg1
, &ts
));
8508 if (!is_error(ret
)) {
8509 host_to_target_timespec(arg2
, &ts
);
8514 #ifdef TARGET_NR_clock_getres
8515 case TARGET_NR_clock_getres
:
8518 ret
= get_errno(clock_getres(arg1
, &ts
));
8519 if (!is_error(ret
)) {
8520 host_to_target_timespec(arg2
, &ts
);
8525 #ifdef TARGET_NR_clock_nanosleep
8526 case TARGET_NR_clock_nanosleep
:
8529 target_to_host_timespec(&ts
, arg3
);
8530 ret
= get_errno(clock_nanosleep(arg1
, arg2
, &ts
, arg4
? &ts
: NULL
));
8532 host_to_target_timespec(arg4
, &ts
);
8537 #if defined(TARGET_NR_set_tid_address) && defined(__NR_set_tid_address)
8538 case TARGET_NR_set_tid_address
:
8539 ret
= get_errno(set_tid_address((int *)g2h(arg1
)));
8543 #if defined(TARGET_NR_tkill) && defined(__NR_tkill)
8544 case TARGET_NR_tkill
:
8545 ret
= get_errno(sys_tkill((int)arg1
, target_to_host_signal(arg2
)));
8549 #if defined(TARGET_NR_tgkill) && defined(__NR_tgkill)
8550 case TARGET_NR_tgkill
:
8551 ret
= get_errno(sys_tgkill((int)arg1
, (int)arg2
,
8552 target_to_host_signal(arg3
)));
8556 #ifdef TARGET_NR_set_robust_list
8557 case TARGET_NR_set_robust_list
:
8558 goto unimplemented_nowarn
;
8561 #if defined(TARGET_NR_utimensat) && defined(__NR_utimensat)
8562 case TARGET_NR_utimensat
:
8564 struct timespec
*tsp
, ts
[2];
8568 target_to_host_timespec(ts
, arg3
);
8569 target_to_host_timespec(ts
+1, arg3
+sizeof(struct target_timespec
));
8573 ret
= get_errno(sys_utimensat(arg1
, NULL
, tsp
, arg4
));
8575 if (!(p
= lock_user_string(arg2
))) {
8576 ret
= -TARGET_EFAULT
;
8579 ret
= get_errno(sys_utimensat(arg1
, path(p
), tsp
, arg4
));
8580 unlock_user(p
, arg2
, 0);
8585 #if defined(CONFIG_USE_NPTL)
8586 case TARGET_NR_futex
:
8587 ret
= do_futex(arg1
, arg2
, arg3
, arg4
, arg5
, arg6
);
8590 #if defined(TARGET_NR_inotify_init) && defined(__NR_inotify_init)
8591 case TARGET_NR_inotify_init
:
8592 ret
= get_errno(sys_inotify_init());
8595 #ifdef CONFIG_INOTIFY1
8596 #if defined(TARGET_NR_inotify_init1) && defined(__NR_inotify_init1)
8597 case TARGET_NR_inotify_init1
:
8598 ret
= get_errno(sys_inotify_init1(arg1
));
8602 #if defined(TARGET_NR_inotify_add_watch) && defined(__NR_inotify_add_watch)
8603 case TARGET_NR_inotify_add_watch
:
8604 p
= lock_user_string(arg2
);
8605 ret
= get_errno(sys_inotify_add_watch(arg1
, path(p
), arg3
));
8606 unlock_user(p
, arg2
, 0);
8609 #if defined(TARGET_NR_inotify_rm_watch) && defined(__NR_inotify_rm_watch)
8610 case TARGET_NR_inotify_rm_watch
:
8611 ret
= get_errno(sys_inotify_rm_watch(arg1
, arg2
));
8615 #if defined(TARGET_NR_mq_open) && defined(__NR_mq_open)
8616 case TARGET_NR_mq_open
:
8618 struct mq_attr posix_mq_attr
;
8620 p
= lock_user_string(arg1
- 1);
8622 copy_from_user_mq_attr (&posix_mq_attr
, arg4
);
8623 ret
= get_errno(mq_open(p
, arg2
, arg3
, &posix_mq_attr
));
8624 unlock_user (p
, arg1
, 0);
8628 case TARGET_NR_mq_unlink
:
8629 p
= lock_user_string(arg1
- 1);
8630 ret
= get_errno(mq_unlink(p
));
8631 unlock_user (p
, arg1
, 0);
8634 case TARGET_NR_mq_timedsend
:
8638 p
= lock_user (VERIFY_READ
, arg2
, arg3
, 1);
8640 target_to_host_timespec(&ts
, arg5
);
8641 ret
= get_errno(mq_timedsend(arg1
, p
, arg3
, arg4
, &ts
));
8642 host_to_target_timespec(arg5
, &ts
);
8645 ret
= get_errno(mq_send(arg1
, p
, arg3
, arg4
));
8646 unlock_user (p
, arg2
, arg3
);
8650 case TARGET_NR_mq_timedreceive
:
8655 p
= lock_user (VERIFY_READ
, arg2
, arg3
, 1);
8657 target_to_host_timespec(&ts
, arg5
);
8658 ret
= get_errno(mq_timedreceive(arg1
, p
, arg3
, &prio
, &ts
));
8659 host_to_target_timespec(arg5
, &ts
);
8662 ret
= get_errno(mq_receive(arg1
, p
, arg3
, &prio
));
8663 unlock_user (p
, arg2
, arg3
);
8665 put_user_u32(prio
, arg4
);
8669 /* Not implemented for now... */
8670 /* case TARGET_NR_mq_notify: */
8673 case TARGET_NR_mq_getsetattr
:
8675 struct mq_attr posix_mq_attr_in
, posix_mq_attr_out
;
8678 ret
= mq_getattr(arg1
, &posix_mq_attr_out
);
8679 copy_to_user_mq_attr(arg3
, &posix_mq_attr_out
);
8682 copy_from_user_mq_attr(&posix_mq_attr_in
, arg2
);
8683 ret
|= mq_setattr(arg1
, &posix_mq_attr_in
, &posix_mq_attr_out
);
8690 #ifdef CONFIG_SPLICE
8691 #ifdef TARGET_NR_tee
8694 ret
= get_errno(tee(arg1
,arg2
,arg3
,arg4
));
8698 #ifdef TARGET_NR_splice
8699 case TARGET_NR_splice
:
8701 loff_t loff_in
, loff_out
;
8702 loff_t
*ploff_in
= NULL
, *ploff_out
= NULL
;
8704 get_user_u64(loff_in
, arg2
);
8705 ploff_in
= &loff_in
;
8708 get_user_u64(loff_out
, arg2
);
8709 ploff_out
= &loff_out
;
8711 ret
= get_errno(splice(arg1
, ploff_in
, arg3
, ploff_out
, arg5
, arg6
));
8715 #ifdef TARGET_NR_vmsplice
8716 case TARGET_NR_vmsplice
:
8718 struct iovec
*vec
= lock_iovec(VERIFY_READ
, arg2
, arg3
, 1);
8720 ret
= get_errno(vmsplice(arg1
, vec
, arg3
, arg4
));
8721 unlock_iovec(vec
, arg2
, arg3
, 0);
8723 ret
= -host_to_target_errno(errno
);
8728 #endif /* CONFIG_SPLICE */
8729 #ifdef CONFIG_EVENTFD
8730 #if defined(TARGET_NR_eventfd)
8731 case TARGET_NR_eventfd
:
8732 ret
= get_errno(eventfd(arg1
, 0));
8735 #if defined(TARGET_NR_eventfd2)
8736 case TARGET_NR_eventfd2
:
8737 ret
= get_errno(eventfd(arg1
, arg2
));
8740 #endif /* CONFIG_EVENTFD */
8741 #if defined(CONFIG_FALLOCATE) && defined(TARGET_NR_fallocate)
8742 case TARGET_NR_fallocate
:
8743 #if TARGET_ABI_BITS == 32
8744 ret
= get_errno(fallocate(arg1
, arg2
, target_offset64(arg3
, arg4
),
8745 target_offset64(arg5
, arg6
)));
8747 ret
= get_errno(fallocate(arg1
, arg2
, arg3
, arg4
));
8751 #if defined(CONFIG_SYNC_FILE_RANGE)
8752 #if defined(TARGET_NR_sync_file_range)
8753 case TARGET_NR_sync_file_range
:
8754 #if TARGET_ABI_BITS == 32
8755 #if defined(TARGET_MIPS)
8756 ret
= get_errno(sync_file_range(arg1
, target_offset64(arg3
, arg4
),
8757 target_offset64(arg5
, arg6
), arg7
));
8759 ret
= get_errno(sync_file_range(arg1
, target_offset64(arg2
, arg3
),
8760 target_offset64(arg4
, arg5
), arg6
));
8761 #endif /* !TARGET_MIPS */
8763 ret
= get_errno(sync_file_range(arg1
, arg2
, arg3
, arg4
));
8767 #if defined(TARGET_NR_sync_file_range2)
8768 case TARGET_NR_sync_file_range2
:
8769 /* This is like sync_file_range but the arguments are reordered */
8770 #if TARGET_ABI_BITS == 32
8771 ret
= get_errno(sync_file_range(arg1
, target_offset64(arg3
, arg4
),
8772 target_offset64(arg5
, arg6
), arg2
));
8774 ret
= get_errno(sync_file_range(arg1
, arg3
, arg4
, arg2
));
8779 #if defined(CONFIG_EPOLL)
8780 #if defined(TARGET_NR_epoll_create)
8781 case TARGET_NR_epoll_create
:
8782 ret
= get_errno(epoll_create(arg1
));
8785 #if defined(TARGET_NR_epoll_create1) && defined(CONFIG_EPOLL_CREATE1)
8786 case TARGET_NR_epoll_create1
:
8787 ret
= get_errno(epoll_create1(arg1
));
8790 #if defined(TARGET_NR_epoll_ctl)
8791 case TARGET_NR_epoll_ctl
:
8793 struct epoll_event ep
;
8794 struct epoll_event
*epp
= 0;
8796 struct target_epoll_event
*target_ep
;
8797 if (!lock_user_struct(VERIFY_READ
, target_ep
, arg4
, 1)) {
8800 ep
.events
= tswap32(target_ep
->events
);
8801 /* The epoll_data_t union is just opaque data to the kernel,
8802 * so we transfer all 64 bits across and need not worry what
8803 * actual data type it is.
8805 ep
.data
.u64
= tswap64(target_ep
->data
.u64
);
8806 unlock_user_struct(target_ep
, arg4
, 0);
8809 ret
= get_errno(epoll_ctl(arg1
, arg2
, arg3
, epp
));
8814 #if defined(TARGET_NR_epoll_pwait) && defined(CONFIG_EPOLL_PWAIT)
8815 #define IMPLEMENT_EPOLL_PWAIT
8817 #if defined(TARGET_NR_epoll_wait) || defined(IMPLEMENT_EPOLL_PWAIT)
8818 #if defined(TARGET_NR_epoll_wait)
8819 case TARGET_NR_epoll_wait
:
8821 #if defined(IMPLEMENT_EPOLL_PWAIT)
8822 case TARGET_NR_epoll_pwait
:
8825 struct target_epoll_event
*target_ep
;
8826 struct epoll_event
*ep
;
8828 int maxevents
= arg3
;
8831 target_ep
= lock_user(VERIFY_WRITE
, arg2
,
8832 maxevents
* sizeof(struct target_epoll_event
), 1);
8837 ep
= alloca(maxevents
* sizeof(struct epoll_event
));
8840 #if defined(IMPLEMENT_EPOLL_PWAIT)
8841 case TARGET_NR_epoll_pwait
:
8843 target_sigset_t
*target_set
;
8844 sigset_t _set
, *set
= &_set
;
8847 target_set
= lock_user(VERIFY_READ
, arg5
,
8848 sizeof(target_sigset_t
), 1);
8850 unlock_user(target_ep
, arg2
, 0);
8853 target_to_host_sigset(set
, target_set
);
8854 unlock_user(target_set
, arg5
, 0);
8859 ret
= get_errno(epoll_pwait(epfd
, ep
, maxevents
, timeout
, set
));
8863 #if defined(TARGET_NR_epoll_wait)
8864 case TARGET_NR_epoll_wait
:
8865 ret
= get_errno(epoll_wait(epfd
, ep
, maxevents
, timeout
));
8869 ret
= -TARGET_ENOSYS
;
8871 if (!is_error(ret
)) {
8873 for (i
= 0; i
< ret
; i
++) {
8874 target_ep
[i
].events
= tswap32(ep
[i
].events
);
8875 target_ep
[i
].data
.u64
= tswap64(ep
[i
].data
.u64
);
8878 unlock_user(target_ep
, arg2
, ret
* sizeof(struct target_epoll_event
));
8883 #ifdef TARGET_NR_prlimit64
8884 case TARGET_NR_prlimit64
:
8886 /* args: pid, resource number, ptr to new rlimit, ptr to old rlimit */
8887 struct target_rlimit64
*target_rnew
, *target_rold
;
8888 struct host_rlimit64 rnew
, rold
, *rnewp
= 0;
8890 if (!lock_user_struct(VERIFY_READ
, target_rnew
, arg3
, 1)) {
8893 rnew
.rlim_cur
= tswap64(target_rnew
->rlim_cur
);
8894 rnew
.rlim_max
= tswap64(target_rnew
->rlim_max
);
8895 unlock_user_struct(target_rnew
, arg3
, 0);
8899 ret
= get_errno(sys_prlimit64(arg1
, arg2
, rnewp
, arg4
? &rold
: 0));
8900 if (!is_error(ret
) && arg4
) {
8901 if (!lock_user_struct(VERIFY_WRITE
, target_rold
, arg4
, 1)) {
8904 target_rold
->rlim_cur
= tswap64(rold
.rlim_cur
);
8905 target_rold
->rlim_max
= tswap64(rold
.rlim_max
);
8906 unlock_user_struct(target_rold
, arg4
, 1);
8911 #ifdef TARGET_NR_gethostname
8912 case TARGET_NR_gethostname
:
8914 char *name
= lock_user(VERIFY_WRITE
, arg1
, arg2
, 0);
8916 ret
= get_errno(gethostname(name
, arg2
));
8917 unlock_user(name
, arg1
, arg2
);
8919 ret
= -TARGET_EFAULT
;
8926 gemu_log("qemu: Unsupported syscall: %d\n", num
);
8927 #if defined(TARGET_NR_setxattr) || defined(TARGET_NR_get_thread_area) || defined(TARGET_NR_getdomainname) || defined(TARGET_NR_set_robust_list)
8928 unimplemented_nowarn
:
8930 ret
= -TARGET_ENOSYS
;
8935 gemu_log(" = " TARGET_ABI_FMT_ld
"\n", ret
);
8938 print_syscall_ret(num
, ret
);
8941 ret
= -TARGET_EFAULT
;