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"
81 #ifdef CONFIG_SENDFILE
82 #include <sys/sendfile.h>
85 #define termios host_termios
86 #define winsize host_winsize
87 #define termio host_termio
88 #define sgttyb host_sgttyb /* same as target */
89 #define tchars host_tchars /* same as target */
90 #define ltchars host_ltchars /* same as target */
92 #include <linux/termios.h>
93 #include <linux/unistd.h>
94 #include <linux/utsname.h>
95 #include <linux/cdrom.h>
96 #include <linux/hdreg.h>
97 #include <linux/soundcard.h>
99 #include <linux/mtio.h>
100 #include <linux/fs.h>
101 #if defined(CONFIG_FIEMAP)
102 #include <linux/fiemap.h>
104 #include <linux/fb.h>
105 #include <linux/vt.h>
106 #include <linux/dm-ioctl.h>
107 #include <linux/reboot.h>
108 #include <linux/route.h>
109 #include "linux_loop.h"
110 #include "cpu-uname.h"
114 #define CLONE_NPTL_FLAGS2 (CLONE_SETTLS | \
115 CLONE_PARENT_SETTID | CLONE_CHILD_SETTID | CLONE_CHILD_CLEARTID)
119 //#include <linux/msdos_fs.h>
120 #define VFAT_IOCTL_READDIR_BOTH _IOR('r', 1, struct linux_dirent [2])
121 #define VFAT_IOCTL_READDIR_SHORT _IOR('r', 2, struct linux_dirent [2])
132 #define _syscall0(type,name) \
133 static type name (void) \
135 return syscall(__NR_##name); \
138 #define _syscall1(type,name,type1,arg1) \
139 static type name (type1 arg1) \
141 return syscall(__NR_##name, arg1); \
144 #define _syscall2(type,name,type1,arg1,type2,arg2) \
145 static type name (type1 arg1,type2 arg2) \
147 return syscall(__NR_##name, arg1, arg2); \
150 #define _syscall3(type,name,type1,arg1,type2,arg2,type3,arg3) \
151 static type name (type1 arg1,type2 arg2,type3 arg3) \
153 return syscall(__NR_##name, arg1, arg2, arg3); \
156 #define _syscall4(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4) \
157 static type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4) \
159 return syscall(__NR_##name, arg1, arg2, arg3, arg4); \
162 #define _syscall5(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4, \
164 static type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4,type5 arg5) \
166 return syscall(__NR_##name, arg1, arg2, arg3, arg4, arg5); \
170 #define _syscall6(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4, \
171 type5,arg5,type6,arg6) \
172 static type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4,type5 arg5, \
175 return syscall(__NR_##name, arg1, arg2, arg3, arg4, arg5, arg6); \
179 #define __NR_sys_uname __NR_uname
180 #define __NR_sys_getcwd1 __NR_getcwd
181 #define __NR_sys_getdents __NR_getdents
182 #define __NR_sys_getdents64 __NR_getdents64
183 #define __NR_sys_getpriority __NR_getpriority
184 #define __NR_sys_rt_sigqueueinfo __NR_rt_sigqueueinfo
185 #define __NR_sys_syslog __NR_syslog
186 #define __NR_sys_tgkill __NR_tgkill
187 #define __NR_sys_tkill __NR_tkill
188 #define __NR_sys_futex __NR_futex
189 #define __NR_sys_inotify_init __NR_inotify_init
190 #define __NR_sys_inotify_add_watch __NR_inotify_add_watch
191 #define __NR_sys_inotify_rm_watch __NR_inotify_rm_watch
193 #if defined(__alpha__) || defined (__ia64__) || defined(__x86_64__) || \
195 #define __NR__llseek __NR_lseek
199 _syscall0(int, gettid
)
201 /* This is a replacement for the host gettid() and must return a host
203 static int gettid(void) {
208 _syscall3(int, sys_getdents
, uint
, fd
, struct linux_dirent
*, dirp
, uint
, count
);
210 #if !defined(__NR_getdents) || \
211 (defined(TARGET_NR_getdents64) && defined(__NR_getdents64))
212 _syscall3(int, sys_getdents64
, uint
, fd
, struct linux_dirent64
*, dirp
, uint
, count
);
214 #if defined(TARGET_NR__llseek) && defined(__NR_llseek)
215 _syscall5(int, _llseek
, uint
, fd
, ulong
, hi
, ulong
, lo
,
216 loff_t
*, res
, uint
, wh
);
218 _syscall3(int,sys_rt_sigqueueinfo
,int,pid
,int,sig
,siginfo_t
*,uinfo
)
219 _syscall3(int,sys_syslog
,int,type
,char*,bufp
,int,len
)
220 #if defined(TARGET_NR_tgkill) && defined(__NR_tgkill)
221 _syscall3(int,sys_tgkill
,int,tgid
,int,pid
,int,sig
)
223 #if defined(TARGET_NR_tkill) && defined(__NR_tkill)
224 _syscall2(int,sys_tkill
,int,tid
,int,sig
)
226 #ifdef __NR_exit_group
227 _syscall1(int,exit_group
,int,error_code
)
229 #if defined(TARGET_NR_set_tid_address) && defined(__NR_set_tid_address)
230 _syscall1(int,set_tid_address
,int *,tidptr
)
232 #if defined(TARGET_NR_futex) && defined(__NR_futex)
233 _syscall6(int,sys_futex
,int *,uaddr
,int,op
,int,val
,
234 const struct timespec
*,timeout
,int *,uaddr2
,int,val3
)
236 #define __NR_sys_sched_getaffinity __NR_sched_getaffinity
237 _syscall3(int, sys_sched_getaffinity
, pid_t
, pid
, unsigned int, len
,
238 unsigned long *, user_mask_ptr
);
239 #define __NR_sys_sched_setaffinity __NR_sched_setaffinity
240 _syscall3(int, sys_sched_setaffinity
, pid_t
, pid
, unsigned int, len
,
241 unsigned long *, user_mask_ptr
);
242 _syscall4(int, reboot
, int, magic1
, int, magic2
, unsigned int, cmd
,
245 static bitmask_transtbl fcntl_flags_tbl
[] = {
246 { TARGET_O_ACCMODE
, TARGET_O_WRONLY
, O_ACCMODE
, O_WRONLY
, },
247 { TARGET_O_ACCMODE
, TARGET_O_RDWR
, O_ACCMODE
, O_RDWR
, },
248 { TARGET_O_CREAT
, TARGET_O_CREAT
, O_CREAT
, O_CREAT
, },
249 { TARGET_O_EXCL
, TARGET_O_EXCL
, O_EXCL
, O_EXCL
, },
250 { TARGET_O_NOCTTY
, TARGET_O_NOCTTY
, O_NOCTTY
, O_NOCTTY
, },
251 { TARGET_O_TRUNC
, TARGET_O_TRUNC
, O_TRUNC
, O_TRUNC
, },
252 { TARGET_O_APPEND
, TARGET_O_APPEND
, O_APPEND
, O_APPEND
, },
253 { TARGET_O_NONBLOCK
, TARGET_O_NONBLOCK
, O_NONBLOCK
, O_NONBLOCK
, },
254 { TARGET_O_SYNC
, TARGET_O_DSYNC
, O_SYNC
, O_DSYNC
, },
255 { TARGET_O_SYNC
, TARGET_O_SYNC
, O_SYNC
, O_SYNC
, },
256 { TARGET_FASYNC
, TARGET_FASYNC
, FASYNC
, FASYNC
, },
257 { TARGET_O_DIRECTORY
, TARGET_O_DIRECTORY
, O_DIRECTORY
, O_DIRECTORY
, },
258 { TARGET_O_NOFOLLOW
, TARGET_O_NOFOLLOW
, O_NOFOLLOW
, O_NOFOLLOW
, },
259 #if defined(O_DIRECT)
260 { TARGET_O_DIRECT
, TARGET_O_DIRECT
, O_DIRECT
, O_DIRECT
, },
262 #if defined(O_NOATIME)
263 { TARGET_O_NOATIME
, TARGET_O_NOATIME
, O_NOATIME
, O_NOATIME
},
265 #if defined(O_CLOEXEC)
266 { TARGET_O_CLOEXEC
, TARGET_O_CLOEXEC
, O_CLOEXEC
, O_CLOEXEC
},
269 { TARGET_O_PATH
, TARGET_O_PATH
, O_PATH
, O_PATH
},
271 /* Don't terminate the list prematurely on 64-bit host+guest. */
272 #if TARGET_O_LARGEFILE != 0 || O_LARGEFILE != 0
273 { TARGET_O_LARGEFILE
, TARGET_O_LARGEFILE
, O_LARGEFILE
, O_LARGEFILE
, },
278 #define COPY_UTSNAME_FIELD(dest, src) \
280 /* __NEW_UTS_LEN doesn't include terminating null */ \
281 (void) strncpy((dest), (src), __NEW_UTS_LEN); \
282 (dest)[__NEW_UTS_LEN] = '\0'; \
285 static int sys_uname(struct new_utsname
*buf
)
287 struct utsname uts_buf
;
289 if (uname(&uts_buf
) < 0)
293 * Just in case these have some differences, we
294 * translate utsname to new_utsname (which is the
295 * struct linux kernel uses).
298 memset(buf
, 0, sizeof(*buf
));
299 COPY_UTSNAME_FIELD(buf
->sysname
, uts_buf
.sysname
);
300 COPY_UTSNAME_FIELD(buf
->nodename
, uts_buf
.nodename
);
301 COPY_UTSNAME_FIELD(buf
->release
, uts_buf
.release
);
302 COPY_UTSNAME_FIELD(buf
->version
, uts_buf
.version
);
303 COPY_UTSNAME_FIELD(buf
->machine
, uts_buf
.machine
);
305 COPY_UTSNAME_FIELD(buf
->domainname
, uts_buf
.domainname
);
309 #undef COPY_UTSNAME_FIELD
312 static int sys_getcwd1(char *buf
, size_t size
)
314 if (getcwd(buf
, size
) == NULL
) {
315 /* getcwd() sets errno */
318 return strlen(buf
)+1;
321 #ifdef TARGET_NR_openat
322 static int sys_openat(int dirfd
, const char *pathname
, int flags
, mode_t mode
)
325 * open(2) has extra parameter 'mode' when called with
328 if ((flags
& O_CREAT
) != 0) {
329 return (openat(dirfd
, pathname
, flags
, mode
));
331 return (openat(dirfd
, pathname
, flags
));
335 #ifdef TARGET_NR_utimensat
336 #ifdef CONFIG_UTIMENSAT
337 static int sys_utimensat(int dirfd
, const char *pathname
,
338 const struct timespec times
[2], int flags
)
340 if (pathname
== NULL
)
341 return futimens(dirfd
, times
);
343 return utimensat(dirfd
, pathname
, times
, flags
);
345 #elif defined(__NR_utimensat)
346 #define __NR_sys_utimensat __NR_utimensat
347 _syscall4(int,sys_utimensat
,int,dirfd
,const char *,pathname
,
348 const struct timespec
*,tsp
,int,flags
)
350 static int sys_utimensat(int dirfd
, const char *pathname
,
351 const struct timespec times
[2], int flags
)
357 #endif /* TARGET_NR_utimensat */
359 #ifdef CONFIG_INOTIFY
360 #include <sys/inotify.h>
362 #if defined(TARGET_NR_inotify_init) && defined(__NR_inotify_init)
363 static int sys_inotify_init(void)
365 return (inotify_init());
368 #if defined(TARGET_NR_inotify_add_watch) && defined(__NR_inotify_add_watch)
369 static int sys_inotify_add_watch(int fd
,const char *pathname
, int32_t mask
)
371 return (inotify_add_watch(fd
, pathname
, mask
));
374 #if defined(TARGET_NR_inotify_rm_watch) && defined(__NR_inotify_rm_watch)
375 static int sys_inotify_rm_watch(int fd
, int32_t wd
)
377 return (inotify_rm_watch(fd
, wd
));
380 #ifdef CONFIG_INOTIFY1
381 #if defined(TARGET_NR_inotify_init1) && defined(__NR_inotify_init1)
382 static int sys_inotify_init1(int flags
)
384 return (inotify_init1(flags
));
389 /* Userspace can usually survive runtime without inotify */
390 #undef TARGET_NR_inotify_init
391 #undef TARGET_NR_inotify_init1
392 #undef TARGET_NR_inotify_add_watch
393 #undef TARGET_NR_inotify_rm_watch
394 #endif /* CONFIG_INOTIFY */
396 #if defined(TARGET_NR_ppoll)
398 # define __NR_ppoll -1
400 #define __NR_sys_ppoll __NR_ppoll
401 _syscall5(int, sys_ppoll
, struct pollfd
*, fds
, nfds_t
, nfds
,
402 struct timespec
*, timeout
, const __sigset_t
*, sigmask
,
406 #if defined(TARGET_NR_pselect6)
407 #ifndef __NR_pselect6
408 # define __NR_pselect6 -1
410 #define __NR_sys_pselect6 __NR_pselect6
411 _syscall6(int, sys_pselect6
, int, nfds
, fd_set
*, readfds
, fd_set
*, writefds
,
412 fd_set
*, exceptfds
, struct timespec
*, timeout
, void *, sig
);
415 #if defined(TARGET_NR_prlimit64)
416 #ifndef __NR_prlimit64
417 # define __NR_prlimit64 -1
419 #define __NR_sys_prlimit64 __NR_prlimit64
420 /* The glibc rlimit structure may not be that used by the underlying syscall */
421 struct host_rlimit64
{
425 _syscall4(int, sys_prlimit64
, pid_t
, pid
, int, resource
,
426 const struct host_rlimit64
*, new_limit
,
427 struct host_rlimit64
*, old_limit
)
430 /* ARM EABI and MIPS expect 64bit types aligned even on pairs or registers */
432 static inline int regpairs_aligned(void *cpu_env
) {
433 return ((((CPUARMState
*)cpu_env
)->eabi
) == 1) ;
435 #elif defined(TARGET_MIPS)
436 static inline int regpairs_aligned(void *cpu_env
) { return 1; }
437 #elif defined(TARGET_PPC) && !defined(TARGET_PPC64)
438 /* SysV AVI for PPC32 expects 64bit parameters to be passed on odd/even pairs
439 * of registers which translates to the same as ARM/MIPS, because we start with
441 static inline int regpairs_aligned(void *cpu_env
) { return 1; }
443 static inline int regpairs_aligned(void *cpu_env
) { return 0; }
446 #define ERRNO_TABLE_SIZE 1200
448 /* target_to_host_errno_table[] is initialized from
449 * host_to_target_errno_table[] in syscall_init(). */
450 static uint16_t target_to_host_errno_table
[ERRNO_TABLE_SIZE
] = {
454 * This list is the union of errno values overridden in asm-<arch>/errno.h
455 * minus the errnos that are not actually generic to all archs.
457 static uint16_t host_to_target_errno_table
[ERRNO_TABLE_SIZE
] = {
458 [EIDRM
] = TARGET_EIDRM
,
459 [ECHRNG
] = TARGET_ECHRNG
,
460 [EL2NSYNC
] = TARGET_EL2NSYNC
,
461 [EL3HLT
] = TARGET_EL3HLT
,
462 [EL3RST
] = TARGET_EL3RST
,
463 [ELNRNG
] = TARGET_ELNRNG
,
464 [EUNATCH
] = TARGET_EUNATCH
,
465 [ENOCSI
] = TARGET_ENOCSI
,
466 [EL2HLT
] = TARGET_EL2HLT
,
467 [EDEADLK
] = TARGET_EDEADLK
,
468 [ENOLCK
] = TARGET_ENOLCK
,
469 [EBADE
] = TARGET_EBADE
,
470 [EBADR
] = TARGET_EBADR
,
471 [EXFULL
] = TARGET_EXFULL
,
472 [ENOANO
] = TARGET_ENOANO
,
473 [EBADRQC
] = TARGET_EBADRQC
,
474 [EBADSLT
] = TARGET_EBADSLT
,
475 [EBFONT
] = TARGET_EBFONT
,
476 [ENOSTR
] = TARGET_ENOSTR
,
477 [ENODATA
] = TARGET_ENODATA
,
478 [ETIME
] = TARGET_ETIME
,
479 [ENOSR
] = TARGET_ENOSR
,
480 [ENONET
] = TARGET_ENONET
,
481 [ENOPKG
] = TARGET_ENOPKG
,
482 [EREMOTE
] = TARGET_EREMOTE
,
483 [ENOLINK
] = TARGET_ENOLINK
,
484 [EADV
] = TARGET_EADV
,
485 [ESRMNT
] = TARGET_ESRMNT
,
486 [ECOMM
] = TARGET_ECOMM
,
487 [EPROTO
] = TARGET_EPROTO
,
488 [EDOTDOT
] = TARGET_EDOTDOT
,
489 [EMULTIHOP
] = TARGET_EMULTIHOP
,
490 [EBADMSG
] = TARGET_EBADMSG
,
491 [ENAMETOOLONG
] = TARGET_ENAMETOOLONG
,
492 [EOVERFLOW
] = TARGET_EOVERFLOW
,
493 [ENOTUNIQ
] = TARGET_ENOTUNIQ
,
494 [EBADFD
] = TARGET_EBADFD
,
495 [EREMCHG
] = TARGET_EREMCHG
,
496 [ELIBACC
] = TARGET_ELIBACC
,
497 [ELIBBAD
] = TARGET_ELIBBAD
,
498 [ELIBSCN
] = TARGET_ELIBSCN
,
499 [ELIBMAX
] = TARGET_ELIBMAX
,
500 [ELIBEXEC
] = TARGET_ELIBEXEC
,
501 [EILSEQ
] = TARGET_EILSEQ
,
502 [ENOSYS
] = TARGET_ENOSYS
,
503 [ELOOP
] = TARGET_ELOOP
,
504 [ERESTART
] = TARGET_ERESTART
,
505 [ESTRPIPE
] = TARGET_ESTRPIPE
,
506 [ENOTEMPTY
] = TARGET_ENOTEMPTY
,
507 [EUSERS
] = TARGET_EUSERS
,
508 [ENOTSOCK
] = TARGET_ENOTSOCK
,
509 [EDESTADDRREQ
] = TARGET_EDESTADDRREQ
,
510 [EMSGSIZE
] = TARGET_EMSGSIZE
,
511 [EPROTOTYPE
] = TARGET_EPROTOTYPE
,
512 [ENOPROTOOPT
] = TARGET_ENOPROTOOPT
,
513 [EPROTONOSUPPORT
] = TARGET_EPROTONOSUPPORT
,
514 [ESOCKTNOSUPPORT
] = TARGET_ESOCKTNOSUPPORT
,
515 [EOPNOTSUPP
] = TARGET_EOPNOTSUPP
,
516 [EPFNOSUPPORT
] = TARGET_EPFNOSUPPORT
,
517 [EAFNOSUPPORT
] = TARGET_EAFNOSUPPORT
,
518 [EADDRINUSE
] = TARGET_EADDRINUSE
,
519 [EADDRNOTAVAIL
] = TARGET_EADDRNOTAVAIL
,
520 [ENETDOWN
] = TARGET_ENETDOWN
,
521 [ENETUNREACH
] = TARGET_ENETUNREACH
,
522 [ENETRESET
] = TARGET_ENETRESET
,
523 [ECONNABORTED
] = TARGET_ECONNABORTED
,
524 [ECONNRESET
] = TARGET_ECONNRESET
,
525 [ENOBUFS
] = TARGET_ENOBUFS
,
526 [EISCONN
] = TARGET_EISCONN
,
527 [ENOTCONN
] = TARGET_ENOTCONN
,
528 [EUCLEAN
] = TARGET_EUCLEAN
,
529 [ENOTNAM
] = TARGET_ENOTNAM
,
530 [ENAVAIL
] = TARGET_ENAVAIL
,
531 [EISNAM
] = TARGET_EISNAM
,
532 [EREMOTEIO
] = TARGET_EREMOTEIO
,
533 [ESHUTDOWN
] = TARGET_ESHUTDOWN
,
534 [ETOOMANYREFS
] = TARGET_ETOOMANYREFS
,
535 [ETIMEDOUT
] = TARGET_ETIMEDOUT
,
536 [ECONNREFUSED
] = TARGET_ECONNREFUSED
,
537 [EHOSTDOWN
] = TARGET_EHOSTDOWN
,
538 [EHOSTUNREACH
] = TARGET_EHOSTUNREACH
,
539 [EALREADY
] = TARGET_EALREADY
,
540 [EINPROGRESS
] = TARGET_EINPROGRESS
,
541 [ESTALE
] = TARGET_ESTALE
,
542 [ECANCELED
] = TARGET_ECANCELED
,
543 [ENOMEDIUM
] = TARGET_ENOMEDIUM
,
544 [EMEDIUMTYPE
] = TARGET_EMEDIUMTYPE
,
546 [ENOKEY
] = TARGET_ENOKEY
,
549 [EKEYEXPIRED
] = TARGET_EKEYEXPIRED
,
552 [EKEYREVOKED
] = TARGET_EKEYREVOKED
,
555 [EKEYREJECTED
] = TARGET_EKEYREJECTED
,
558 [EOWNERDEAD
] = TARGET_EOWNERDEAD
,
560 #ifdef ENOTRECOVERABLE
561 [ENOTRECOVERABLE
] = TARGET_ENOTRECOVERABLE
,
565 static inline int host_to_target_errno(int err
)
567 if(host_to_target_errno_table
[err
])
568 return host_to_target_errno_table
[err
];
572 static inline int target_to_host_errno(int err
)
574 if (target_to_host_errno_table
[err
])
575 return target_to_host_errno_table
[err
];
579 static inline abi_long
get_errno(abi_long ret
)
582 return -host_to_target_errno(errno
);
587 static inline int is_error(abi_long ret
)
589 return (abi_ulong
)ret
>= (abi_ulong
)(-4096);
592 char *target_strerror(int err
)
594 if ((err
>= ERRNO_TABLE_SIZE
) || (err
< 0)) {
597 return strerror(target_to_host_errno(err
));
600 static abi_ulong target_brk
;
601 static abi_ulong target_original_brk
;
602 static abi_ulong brk_page
;
604 void target_set_brk(abi_ulong new_brk
)
606 target_original_brk
= target_brk
= HOST_PAGE_ALIGN(new_brk
);
607 brk_page
= HOST_PAGE_ALIGN(target_brk
);
610 //#define DEBUGF_BRK(message, args...) do { fprintf(stderr, (message), ## args); } while (0)
611 #define DEBUGF_BRK(message, args...)
613 /* do_brk() must return target values and target errnos. */
614 abi_long
do_brk(abi_ulong new_brk
)
616 abi_long mapped_addr
;
619 DEBUGF_BRK("do_brk(" TARGET_ABI_FMT_lx
") -> ", new_brk
);
622 DEBUGF_BRK(TARGET_ABI_FMT_lx
" (!new_brk)\n", target_brk
);
625 if (new_brk
< target_original_brk
) {
626 DEBUGF_BRK(TARGET_ABI_FMT_lx
" (new_brk < target_original_brk)\n",
631 /* If the new brk is less than the highest page reserved to the
632 * target heap allocation, set it and we're almost done... */
633 if (new_brk
<= brk_page
) {
634 /* Heap contents are initialized to zero, as for anonymous
636 if (new_brk
> target_brk
) {
637 memset(g2h(target_brk
), 0, new_brk
- target_brk
);
639 target_brk
= new_brk
;
640 DEBUGF_BRK(TARGET_ABI_FMT_lx
" (new_brk <= brk_page)\n", target_brk
);
644 /* We need to allocate more memory after the brk... Note that
645 * we don't use MAP_FIXED because that will map over the top of
646 * any existing mapping (like the one with the host libc or qemu
647 * itself); instead we treat "mapped but at wrong address" as
648 * a failure and unmap again.
650 new_alloc_size
= HOST_PAGE_ALIGN(new_brk
- brk_page
);
651 mapped_addr
= get_errno(target_mmap(brk_page
, new_alloc_size
,
652 PROT_READ
|PROT_WRITE
,
653 MAP_ANON
|MAP_PRIVATE
, 0, 0));
655 if (mapped_addr
== brk_page
) {
656 /* Heap contents are initialized to zero, as for anonymous
657 * mapped pages. Technically the new pages are already
658 * initialized to zero since they *are* anonymous mapped
659 * pages, however we have to take care with the contents that
660 * come from the remaining part of the previous page: it may
661 * contains garbage data due to a previous heap usage (grown
663 memset(g2h(target_brk
), 0, brk_page
- target_brk
);
665 target_brk
= new_brk
;
666 brk_page
= HOST_PAGE_ALIGN(target_brk
);
667 DEBUGF_BRK(TARGET_ABI_FMT_lx
" (mapped_addr == brk_page)\n",
670 } else if (mapped_addr
!= -1) {
671 /* Mapped but at wrong address, meaning there wasn't actually
672 * enough space for this brk.
674 target_munmap(mapped_addr
, new_alloc_size
);
676 DEBUGF_BRK(TARGET_ABI_FMT_lx
" (mapped_addr != -1)\n", target_brk
);
679 DEBUGF_BRK(TARGET_ABI_FMT_lx
" (otherwise)\n", target_brk
);
682 #if defined(TARGET_ALPHA)
683 /* We (partially) emulate OSF/1 on Alpha, which requires we
684 return a proper errno, not an unchanged brk value. */
685 return -TARGET_ENOMEM
;
687 /* For everything else, return the previous break. */
691 static inline abi_long
copy_from_user_fdset(fd_set
*fds
,
692 abi_ulong target_fds_addr
,
696 abi_ulong b
, *target_fds
;
698 nw
= (n
+ TARGET_ABI_BITS
- 1) / TARGET_ABI_BITS
;
699 if (!(target_fds
= lock_user(VERIFY_READ
,
701 sizeof(abi_ulong
) * nw
,
703 return -TARGET_EFAULT
;
707 for (i
= 0; i
< nw
; i
++) {
708 /* grab the abi_ulong */
709 __get_user(b
, &target_fds
[i
]);
710 for (j
= 0; j
< TARGET_ABI_BITS
; j
++) {
711 /* check the bit inside the abi_ulong */
718 unlock_user(target_fds
, target_fds_addr
, 0);
723 static inline abi_ulong
copy_from_user_fdset_ptr(fd_set
*fds
, fd_set
**fds_ptr
,
724 abi_ulong target_fds_addr
,
727 if (target_fds_addr
) {
728 if (copy_from_user_fdset(fds
, target_fds_addr
, n
))
729 return -TARGET_EFAULT
;
737 static inline abi_long
copy_to_user_fdset(abi_ulong target_fds_addr
,
743 abi_ulong
*target_fds
;
745 nw
= (n
+ TARGET_ABI_BITS
- 1) / TARGET_ABI_BITS
;
746 if (!(target_fds
= lock_user(VERIFY_WRITE
,
748 sizeof(abi_ulong
) * nw
,
750 return -TARGET_EFAULT
;
753 for (i
= 0; i
< nw
; i
++) {
755 for (j
= 0; j
< TARGET_ABI_BITS
; j
++) {
756 v
|= ((abi_ulong
)(FD_ISSET(k
, fds
) != 0) << j
);
759 __put_user(v
, &target_fds
[i
]);
762 unlock_user(target_fds
, target_fds_addr
, sizeof(abi_ulong
) * nw
);
767 #if defined(__alpha__)
773 static inline abi_long
host_to_target_clock_t(long ticks
)
775 #if HOST_HZ == TARGET_HZ
778 return ((int64_t)ticks
* TARGET_HZ
) / HOST_HZ
;
782 static inline abi_long
host_to_target_rusage(abi_ulong target_addr
,
783 const struct rusage
*rusage
)
785 struct target_rusage
*target_rusage
;
787 if (!lock_user_struct(VERIFY_WRITE
, target_rusage
, target_addr
, 0))
788 return -TARGET_EFAULT
;
789 target_rusage
->ru_utime
.tv_sec
= tswapal(rusage
->ru_utime
.tv_sec
);
790 target_rusage
->ru_utime
.tv_usec
= tswapal(rusage
->ru_utime
.tv_usec
);
791 target_rusage
->ru_stime
.tv_sec
= tswapal(rusage
->ru_stime
.tv_sec
);
792 target_rusage
->ru_stime
.tv_usec
= tswapal(rusage
->ru_stime
.tv_usec
);
793 target_rusage
->ru_maxrss
= tswapal(rusage
->ru_maxrss
);
794 target_rusage
->ru_ixrss
= tswapal(rusage
->ru_ixrss
);
795 target_rusage
->ru_idrss
= tswapal(rusage
->ru_idrss
);
796 target_rusage
->ru_isrss
= tswapal(rusage
->ru_isrss
);
797 target_rusage
->ru_minflt
= tswapal(rusage
->ru_minflt
);
798 target_rusage
->ru_majflt
= tswapal(rusage
->ru_majflt
);
799 target_rusage
->ru_nswap
= tswapal(rusage
->ru_nswap
);
800 target_rusage
->ru_inblock
= tswapal(rusage
->ru_inblock
);
801 target_rusage
->ru_oublock
= tswapal(rusage
->ru_oublock
);
802 target_rusage
->ru_msgsnd
= tswapal(rusage
->ru_msgsnd
);
803 target_rusage
->ru_msgrcv
= tswapal(rusage
->ru_msgrcv
);
804 target_rusage
->ru_nsignals
= tswapal(rusage
->ru_nsignals
);
805 target_rusage
->ru_nvcsw
= tswapal(rusage
->ru_nvcsw
);
806 target_rusage
->ru_nivcsw
= tswapal(rusage
->ru_nivcsw
);
807 unlock_user_struct(target_rusage
, target_addr
, 1);
812 static inline rlim_t
target_to_host_rlim(abi_ulong target_rlim
)
814 abi_ulong target_rlim_swap
;
817 target_rlim_swap
= tswapal(target_rlim
);
818 if (target_rlim_swap
== TARGET_RLIM_INFINITY
)
819 return RLIM_INFINITY
;
821 result
= target_rlim_swap
;
822 if (target_rlim_swap
!= (rlim_t
)result
)
823 return RLIM_INFINITY
;
828 static inline abi_ulong
host_to_target_rlim(rlim_t rlim
)
830 abi_ulong target_rlim_swap
;
833 if (rlim
== RLIM_INFINITY
|| rlim
!= (abi_long
)rlim
)
834 target_rlim_swap
= TARGET_RLIM_INFINITY
;
836 target_rlim_swap
= rlim
;
837 result
= tswapal(target_rlim_swap
);
842 static inline int target_to_host_resource(int code
)
845 case TARGET_RLIMIT_AS
:
847 case TARGET_RLIMIT_CORE
:
849 case TARGET_RLIMIT_CPU
:
851 case TARGET_RLIMIT_DATA
:
853 case TARGET_RLIMIT_FSIZE
:
855 case TARGET_RLIMIT_LOCKS
:
857 case TARGET_RLIMIT_MEMLOCK
:
858 return RLIMIT_MEMLOCK
;
859 case TARGET_RLIMIT_MSGQUEUE
:
860 return RLIMIT_MSGQUEUE
;
861 case TARGET_RLIMIT_NICE
:
863 case TARGET_RLIMIT_NOFILE
:
864 return RLIMIT_NOFILE
;
865 case TARGET_RLIMIT_NPROC
:
867 case TARGET_RLIMIT_RSS
:
869 case TARGET_RLIMIT_RTPRIO
:
870 return RLIMIT_RTPRIO
;
871 case TARGET_RLIMIT_SIGPENDING
:
872 return RLIMIT_SIGPENDING
;
873 case TARGET_RLIMIT_STACK
:
880 static inline abi_long
copy_from_user_timeval(struct timeval
*tv
,
881 abi_ulong target_tv_addr
)
883 struct target_timeval
*target_tv
;
885 if (!lock_user_struct(VERIFY_READ
, target_tv
, target_tv_addr
, 1))
886 return -TARGET_EFAULT
;
888 __get_user(tv
->tv_sec
, &target_tv
->tv_sec
);
889 __get_user(tv
->tv_usec
, &target_tv
->tv_usec
);
891 unlock_user_struct(target_tv
, target_tv_addr
, 0);
896 static inline abi_long
copy_to_user_timeval(abi_ulong target_tv_addr
,
897 const struct timeval
*tv
)
899 struct target_timeval
*target_tv
;
901 if (!lock_user_struct(VERIFY_WRITE
, target_tv
, target_tv_addr
, 0))
902 return -TARGET_EFAULT
;
904 __put_user(tv
->tv_sec
, &target_tv
->tv_sec
);
905 __put_user(tv
->tv_usec
, &target_tv
->tv_usec
);
907 unlock_user_struct(target_tv
, target_tv_addr
, 1);
912 #if defined(TARGET_NR_mq_open) && defined(__NR_mq_open)
915 static inline abi_long
copy_from_user_mq_attr(struct mq_attr
*attr
,
916 abi_ulong target_mq_attr_addr
)
918 struct target_mq_attr
*target_mq_attr
;
920 if (!lock_user_struct(VERIFY_READ
, target_mq_attr
,
921 target_mq_attr_addr
, 1))
922 return -TARGET_EFAULT
;
924 __get_user(attr
->mq_flags
, &target_mq_attr
->mq_flags
);
925 __get_user(attr
->mq_maxmsg
, &target_mq_attr
->mq_maxmsg
);
926 __get_user(attr
->mq_msgsize
, &target_mq_attr
->mq_msgsize
);
927 __get_user(attr
->mq_curmsgs
, &target_mq_attr
->mq_curmsgs
);
929 unlock_user_struct(target_mq_attr
, target_mq_attr_addr
, 0);
934 static inline abi_long
copy_to_user_mq_attr(abi_ulong target_mq_attr_addr
,
935 const struct mq_attr
*attr
)
937 struct target_mq_attr
*target_mq_attr
;
939 if (!lock_user_struct(VERIFY_WRITE
, target_mq_attr
,
940 target_mq_attr_addr
, 0))
941 return -TARGET_EFAULT
;
943 __put_user(attr
->mq_flags
, &target_mq_attr
->mq_flags
);
944 __put_user(attr
->mq_maxmsg
, &target_mq_attr
->mq_maxmsg
);
945 __put_user(attr
->mq_msgsize
, &target_mq_attr
->mq_msgsize
);
946 __put_user(attr
->mq_curmsgs
, &target_mq_attr
->mq_curmsgs
);
948 unlock_user_struct(target_mq_attr
, target_mq_attr_addr
, 1);
954 #if defined(TARGET_NR_select) || defined(TARGET_NR__newselect)
955 /* do_select() must return target values and target errnos. */
956 static abi_long
do_select(int n
,
957 abi_ulong rfd_addr
, abi_ulong wfd_addr
,
958 abi_ulong efd_addr
, abi_ulong target_tv_addr
)
960 fd_set rfds
, wfds
, efds
;
961 fd_set
*rfds_ptr
, *wfds_ptr
, *efds_ptr
;
962 struct timeval tv
, *tv_ptr
;
965 ret
= copy_from_user_fdset_ptr(&rfds
, &rfds_ptr
, rfd_addr
, n
);
969 ret
= copy_from_user_fdset_ptr(&wfds
, &wfds_ptr
, wfd_addr
, n
);
973 ret
= copy_from_user_fdset_ptr(&efds
, &efds_ptr
, efd_addr
, n
);
978 if (target_tv_addr
) {
979 if (copy_from_user_timeval(&tv
, target_tv_addr
))
980 return -TARGET_EFAULT
;
986 ret
= get_errno(select(n
, rfds_ptr
, wfds_ptr
, efds_ptr
, tv_ptr
));
988 if (!is_error(ret
)) {
989 if (rfd_addr
&& copy_to_user_fdset(rfd_addr
, &rfds
, n
))
990 return -TARGET_EFAULT
;
991 if (wfd_addr
&& copy_to_user_fdset(wfd_addr
, &wfds
, n
))
992 return -TARGET_EFAULT
;
993 if (efd_addr
&& copy_to_user_fdset(efd_addr
, &efds
, n
))
994 return -TARGET_EFAULT
;
996 if (target_tv_addr
&& copy_to_user_timeval(target_tv_addr
, &tv
))
997 return -TARGET_EFAULT
;
1004 static abi_long
do_pipe2(int host_pipe
[], int flags
)
1007 return pipe2(host_pipe
, flags
);
1013 static abi_long
do_pipe(void *cpu_env
, abi_ulong pipedes
,
1014 int flags
, int is_pipe2
)
1018 ret
= flags
? do_pipe2(host_pipe
, flags
) : pipe(host_pipe
);
1021 return get_errno(ret
);
1023 /* Several targets have special calling conventions for the original
1024 pipe syscall, but didn't replicate this into the pipe2 syscall. */
1026 #if defined(TARGET_ALPHA)
1027 ((CPUAlphaState
*)cpu_env
)->ir
[IR_A4
] = host_pipe
[1];
1028 return host_pipe
[0];
1029 #elif defined(TARGET_MIPS)
1030 ((CPUMIPSState
*)cpu_env
)->active_tc
.gpr
[3] = host_pipe
[1];
1031 return host_pipe
[0];
1032 #elif defined(TARGET_SH4)
1033 ((CPUSH4State
*)cpu_env
)->gregs
[1] = host_pipe
[1];
1034 return host_pipe
[0];
1038 if (put_user_s32(host_pipe
[0], pipedes
)
1039 || put_user_s32(host_pipe
[1], pipedes
+ sizeof(host_pipe
[0])))
1040 return -TARGET_EFAULT
;
1041 return get_errno(ret
);
1044 static inline abi_long
target_to_host_ip_mreq(struct ip_mreqn
*mreqn
,
1045 abi_ulong target_addr
,
1048 struct target_ip_mreqn
*target_smreqn
;
1050 target_smreqn
= lock_user(VERIFY_READ
, target_addr
, len
, 1);
1052 return -TARGET_EFAULT
;
1053 mreqn
->imr_multiaddr
.s_addr
= target_smreqn
->imr_multiaddr
.s_addr
;
1054 mreqn
->imr_address
.s_addr
= target_smreqn
->imr_address
.s_addr
;
1055 if (len
== sizeof(struct target_ip_mreqn
))
1056 mreqn
->imr_ifindex
= tswapal(target_smreqn
->imr_ifindex
);
1057 unlock_user(target_smreqn
, target_addr
, 0);
1062 static inline abi_long
target_to_host_sockaddr(struct sockaddr
*addr
,
1063 abi_ulong target_addr
,
1066 const socklen_t unix_maxlen
= sizeof (struct sockaddr_un
);
1067 sa_family_t sa_family
;
1068 struct target_sockaddr
*target_saddr
;
1070 target_saddr
= lock_user(VERIFY_READ
, target_addr
, len
, 1);
1072 return -TARGET_EFAULT
;
1074 sa_family
= tswap16(target_saddr
->sa_family
);
1076 /* Oops. The caller might send a incomplete sun_path; sun_path
1077 * must be terminated by \0 (see the manual page), but
1078 * unfortunately it is quite common to specify sockaddr_un
1079 * length as "strlen(x->sun_path)" while it should be
1080 * "strlen(...) + 1". We'll fix that here if needed.
1081 * Linux kernel has a similar feature.
1084 if (sa_family
== AF_UNIX
) {
1085 if (len
< unix_maxlen
&& len
> 0) {
1086 char *cp
= (char*)target_saddr
;
1088 if ( cp
[len
-1] && !cp
[len
] )
1091 if (len
> unix_maxlen
)
1095 memcpy(addr
, target_saddr
, len
);
1096 addr
->sa_family
= sa_family
;
1097 unlock_user(target_saddr
, target_addr
, 0);
1102 static inline abi_long
host_to_target_sockaddr(abi_ulong target_addr
,
1103 struct sockaddr
*addr
,
1106 struct target_sockaddr
*target_saddr
;
1108 target_saddr
= lock_user(VERIFY_WRITE
, target_addr
, len
, 0);
1110 return -TARGET_EFAULT
;
1111 memcpy(target_saddr
, addr
, len
);
1112 target_saddr
->sa_family
= tswap16(addr
->sa_family
);
1113 unlock_user(target_saddr
, target_addr
, len
);
1118 static inline abi_long
target_to_host_cmsg(struct msghdr
*msgh
,
1119 struct target_msghdr
*target_msgh
)
1121 struct cmsghdr
*cmsg
= CMSG_FIRSTHDR(msgh
);
1122 abi_long msg_controllen
;
1123 abi_ulong target_cmsg_addr
;
1124 struct target_cmsghdr
*target_cmsg
;
1125 socklen_t space
= 0;
1127 msg_controllen
= tswapal(target_msgh
->msg_controllen
);
1128 if (msg_controllen
< sizeof (struct target_cmsghdr
))
1130 target_cmsg_addr
= tswapal(target_msgh
->msg_control
);
1131 target_cmsg
= lock_user(VERIFY_READ
, target_cmsg_addr
, msg_controllen
, 1);
1133 return -TARGET_EFAULT
;
1135 while (cmsg
&& target_cmsg
) {
1136 void *data
= CMSG_DATA(cmsg
);
1137 void *target_data
= TARGET_CMSG_DATA(target_cmsg
);
1139 int len
= tswapal(target_cmsg
->cmsg_len
)
1140 - TARGET_CMSG_ALIGN(sizeof (struct target_cmsghdr
));
1142 space
+= CMSG_SPACE(len
);
1143 if (space
> msgh
->msg_controllen
) {
1144 space
-= CMSG_SPACE(len
);
1145 gemu_log("Host cmsg overflow\n");
1149 cmsg
->cmsg_level
= tswap32(target_cmsg
->cmsg_level
);
1150 cmsg
->cmsg_type
= tswap32(target_cmsg
->cmsg_type
);
1151 cmsg
->cmsg_len
= CMSG_LEN(len
);
1153 if (cmsg
->cmsg_level
!= TARGET_SOL_SOCKET
|| cmsg
->cmsg_type
!= SCM_RIGHTS
) {
1154 gemu_log("Unsupported ancillary data: %d/%d\n", cmsg
->cmsg_level
, cmsg
->cmsg_type
);
1155 memcpy(data
, target_data
, len
);
1157 int *fd
= (int *)data
;
1158 int *target_fd
= (int *)target_data
;
1159 int i
, numfds
= len
/ sizeof(int);
1161 for (i
= 0; i
< numfds
; i
++)
1162 fd
[i
] = tswap32(target_fd
[i
]);
1165 cmsg
= CMSG_NXTHDR(msgh
, cmsg
);
1166 target_cmsg
= TARGET_CMSG_NXTHDR(target_msgh
, target_cmsg
);
1168 unlock_user(target_cmsg
, target_cmsg_addr
, 0);
1170 msgh
->msg_controllen
= space
;
1174 static inline abi_long
host_to_target_cmsg(struct target_msghdr
*target_msgh
,
1175 struct msghdr
*msgh
)
1177 struct cmsghdr
*cmsg
= CMSG_FIRSTHDR(msgh
);
1178 abi_long msg_controllen
;
1179 abi_ulong target_cmsg_addr
;
1180 struct target_cmsghdr
*target_cmsg
;
1181 socklen_t space
= 0;
1183 msg_controllen
= tswapal(target_msgh
->msg_controllen
);
1184 if (msg_controllen
< sizeof (struct target_cmsghdr
))
1186 target_cmsg_addr
= tswapal(target_msgh
->msg_control
);
1187 target_cmsg
= lock_user(VERIFY_WRITE
, target_cmsg_addr
, msg_controllen
, 0);
1189 return -TARGET_EFAULT
;
1191 while (cmsg
&& target_cmsg
) {
1192 void *data
= CMSG_DATA(cmsg
);
1193 void *target_data
= TARGET_CMSG_DATA(target_cmsg
);
1195 int len
= cmsg
->cmsg_len
- CMSG_ALIGN(sizeof (struct cmsghdr
));
1197 space
+= TARGET_CMSG_SPACE(len
);
1198 if (space
> msg_controllen
) {
1199 space
-= TARGET_CMSG_SPACE(len
);
1200 gemu_log("Target cmsg overflow\n");
1204 target_cmsg
->cmsg_level
= tswap32(cmsg
->cmsg_level
);
1205 target_cmsg
->cmsg_type
= tswap32(cmsg
->cmsg_type
);
1206 target_cmsg
->cmsg_len
= tswapal(TARGET_CMSG_LEN(len
));
1208 if ((cmsg
->cmsg_level
== TARGET_SOL_SOCKET
) &&
1209 (cmsg
->cmsg_type
== SCM_RIGHTS
)) {
1210 int *fd
= (int *)data
;
1211 int *target_fd
= (int *)target_data
;
1212 int i
, numfds
= len
/ sizeof(int);
1214 for (i
= 0; i
< numfds
; i
++)
1215 target_fd
[i
] = tswap32(fd
[i
]);
1216 } else if ((cmsg
->cmsg_level
== TARGET_SOL_SOCKET
) &&
1217 (cmsg
->cmsg_type
== SO_TIMESTAMP
) &&
1218 (len
== sizeof(struct timeval
))) {
1219 /* copy struct timeval to target */
1220 struct timeval
*tv
= (struct timeval
*)data
;
1221 struct target_timeval
*target_tv
=
1222 (struct target_timeval
*)target_data
;
1224 target_tv
->tv_sec
= tswapal(tv
->tv_sec
);
1225 target_tv
->tv_usec
= tswapal(tv
->tv_usec
);
1227 gemu_log("Unsupported ancillary data: %d/%d\n",
1228 cmsg
->cmsg_level
, cmsg
->cmsg_type
);
1229 memcpy(target_data
, data
, len
);
1232 cmsg
= CMSG_NXTHDR(msgh
, cmsg
);
1233 target_cmsg
= TARGET_CMSG_NXTHDR(target_msgh
, target_cmsg
);
1235 unlock_user(target_cmsg
, target_cmsg_addr
, space
);
1237 target_msgh
->msg_controllen
= tswapal(space
);
1241 /* do_setsockopt() Must return target values and target errnos. */
1242 static abi_long
do_setsockopt(int sockfd
, int level
, int optname
,
1243 abi_ulong optval_addr
, socklen_t optlen
)
1247 struct ip_mreqn
*ip_mreq
;
1248 struct ip_mreq_source
*ip_mreq_source
;
1252 /* TCP options all take an 'int' value. */
1253 if (optlen
< sizeof(uint32_t))
1254 return -TARGET_EINVAL
;
1256 if (get_user_u32(val
, optval_addr
))
1257 return -TARGET_EFAULT
;
1258 ret
= get_errno(setsockopt(sockfd
, level
, optname
, &val
, sizeof(val
)));
1265 case IP_ROUTER_ALERT
:
1269 case IP_MTU_DISCOVER
:
1275 case IP_MULTICAST_TTL
:
1276 case IP_MULTICAST_LOOP
:
1278 if (optlen
>= sizeof(uint32_t)) {
1279 if (get_user_u32(val
, optval_addr
))
1280 return -TARGET_EFAULT
;
1281 } else if (optlen
>= 1) {
1282 if (get_user_u8(val
, optval_addr
))
1283 return -TARGET_EFAULT
;
1285 ret
= get_errno(setsockopt(sockfd
, level
, optname
, &val
, sizeof(val
)));
1287 case IP_ADD_MEMBERSHIP
:
1288 case IP_DROP_MEMBERSHIP
:
1289 if (optlen
< sizeof (struct target_ip_mreq
) ||
1290 optlen
> sizeof (struct target_ip_mreqn
))
1291 return -TARGET_EINVAL
;
1293 ip_mreq
= (struct ip_mreqn
*) alloca(optlen
);
1294 target_to_host_ip_mreq(ip_mreq
, optval_addr
, optlen
);
1295 ret
= get_errno(setsockopt(sockfd
, level
, optname
, ip_mreq
, optlen
));
1298 case IP_BLOCK_SOURCE
:
1299 case IP_UNBLOCK_SOURCE
:
1300 case IP_ADD_SOURCE_MEMBERSHIP
:
1301 case IP_DROP_SOURCE_MEMBERSHIP
:
1302 if (optlen
!= sizeof (struct target_ip_mreq_source
))
1303 return -TARGET_EINVAL
;
1305 ip_mreq_source
= lock_user(VERIFY_READ
, optval_addr
, optlen
, 1);
1306 ret
= get_errno(setsockopt(sockfd
, level
, optname
, ip_mreq_source
, optlen
));
1307 unlock_user (ip_mreq_source
, optval_addr
, 0);
1317 /* struct icmp_filter takes an u32 value */
1318 if (optlen
< sizeof(uint32_t)) {
1319 return -TARGET_EINVAL
;
1322 if (get_user_u32(val
, optval_addr
)) {
1323 return -TARGET_EFAULT
;
1325 ret
= get_errno(setsockopt(sockfd
, level
, optname
,
1326 &val
, sizeof(val
)));
1333 case TARGET_SOL_SOCKET
:
1335 case TARGET_SO_RCVTIMEO
:
1339 optname
= SO_RCVTIMEO
;
1342 if (optlen
!= sizeof(struct target_timeval
)) {
1343 return -TARGET_EINVAL
;
1346 if (copy_from_user_timeval(&tv
, optval_addr
)) {
1347 return -TARGET_EFAULT
;
1350 ret
= get_errno(setsockopt(sockfd
, SOL_SOCKET
, optname
,
1354 case TARGET_SO_SNDTIMEO
:
1355 optname
= SO_SNDTIMEO
;
1357 /* Options with 'int' argument. */
1358 case TARGET_SO_DEBUG
:
1361 case TARGET_SO_REUSEADDR
:
1362 optname
= SO_REUSEADDR
;
1364 case TARGET_SO_TYPE
:
1367 case TARGET_SO_ERROR
:
1370 case TARGET_SO_DONTROUTE
:
1371 optname
= SO_DONTROUTE
;
1373 case TARGET_SO_BROADCAST
:
1374 optname
= SO_BROADCAST
;
1376 case TARGET_SO_SNDBUF
:
1377 optname
= SO_SNDBUF
;
1379 case TARGET_SO_RCVBUF
:
1380 optname
= SO_RCVBUF
;
1382 case TARGET_SO_KEEPALIVE
:
1383 optname
= SO_KEEPALIVE
;
1385 case TARGET_SO_OOBINLINE
:
1386 optname
= SO_OOBINLINE
;
1388 case TARGET_SO_NO_CHECK
:
1389 optname
= SO_NO_CHECK
;
1391 case TARGET_SO_PRIORITY
:
1392 optname
= SO_PRIORITY
;
1395 case TARGET_SO_BSDCOMPAT
:
1396 optname
= SO_BSDCOMPAT
;
1399 case TARGET_SO_PASSCRED
:
1400 optname
= SO_PASSCRED
;
1402 case TARGET_SO_TIMESTAMP
:
1403 optname
= SO_TIMESTAMP
;
1405 case TARGET_SO_RCVLOWAT
:
1406 optname
= SO_RCVLOWAT
;
1412 if (optlen
< sizeof(uint32_t))
1413 return -TARGET_EINVAL
;
1415 if (get_user_u32(val
, optval_addr
))
1416 return -TARGET_EFAULT
;
1417 ret
= get_errno(setsockopt(sockfd
, SOL_SOCKET
, optname
, &val
, sizeof(val
)));
1421 gemu_log("Unsupported setsockopt level=%d optname=%d\n", level
, optname
);
1422 ret
= -TARGET_ENOPROTOOPT
;
1427 /* do_getsockopt() Must return target values and target errnos. */
1428 static abi_long
do_getsockopt(int sockfd
, int level
, int optname
,
1429 abi_ulong optval_addr
, abi_ulong optlen
)
1436 case TARGET_SOL_SOCKET
:
1439 /* These don't just return a single integer */
1440 case TARGET_SO_LINGER
:
1441 case TARGET_SO_RCVTIMEO
:
1442 case TARGET_SO_SNDTIMEO
:
1443 case TARGET_SO_PEERNAME
:
1445 case TARGET_SO_PEERCRED
: {
1448 struct target_ucred
*tcr
;
1450 if (get_user_u32(len
, optlen
)) {
1451 return -TARGET_EFAULT
;
1454 return -TARGET_EINVAL
;
1458 ret
= get_errno(getsockopt(sockfd
, level
, SO_PEERCRED
,
1466 if (!lock_user_struct(VERIFY_WRITE
, tcr
, optval_addr
, 0)) {
1467 return -TARGET_EFAULT
;
1469 __put_user(cr
.pid
, &tcr
->pid
);
1470 __put_user(cr
.uid
, &tcr
->uid
);
1471 __put_user(cr
.gid
, &tcr
->gid
);
1472 unlock_user_struct(tcr
, optval_addr
, 1);
1473 if (put_user_u32(len
, optlen
)) {
1474 return -TARGET_EFAULT
;
1478 /* Options with 'int' argument. */
1479 case TARGET_SO_DEBUG
:
1482 case TARGET_SO_REUSEADDR
:
1483 optname
= SO_REUSEADDR
;
1485 case TARGET_SO_TYPE
:
1488 case TARGET_SO_ERROR
:
1491 case TARGET_SO_DONTROUTE
:
1492 optname
= SO_DONTROUTE
;
1494 case TARGET_SO_BROADCAST
:
1495 optname
= SO_BROADCAST
;
1497 case TARGET_SO_SNDBUF
:
1498 optname
= SO_SNDBUF
;
1500 case TARGET_SO_RCVBUF
:
1501 optname
= SO_RCVBUF
;
1503 case TARGET_SO_KEEPALIVE
:
1504 optname
= SO_KEEPALIVE
;
1506 case TARGET_SO_OOBINLINE
:
1507 optname
= SO_OOBINLINE
;
1509 case TARGET_SO_NO_CHECK
:
1510 optname
= SO_NO_CHECK
;
1512 case TARGET_SO_PRIORITY
:
1513 optname
= SO_PRIORITY
;
1516 case TARGET_SO_BSDCOMPAT
:
1517 optname
= SO_BSDCOMPAT
;
1520 case TARGET_SO_PASSCRED
:
1521 optname
= SO_PASSCRED
;
1523 case TARGET_SO_TIMESTAMP
:
1524 optname
= SO_TIMESTAMP
;
1526 case TARGET_SO_RCVLOWAT
:
1527 optname
= SO_RCVLOWAT
;
1534 /* TCP options all take an 'int' value. */
1536 if (get_user_u32(len
, optlen
))
1537 return -TARGET_EFAULT
;
1539 return -TARGET_EINVAL
;
1541 ret
= get_errno(getsockopt(sockfd
, level
, optname
, &val
, &lv
));
1547 if (put_user_u32(val
, optval_addr
))
1548 return -TARGET_EFAULT
;
1550 if (put_user_u8(val
, optval_addr
))
1551 return -TARGET_EFAULT
;
1553 if (put_user_u32(len
, optlen
))
1554 return -TARGET_EFAULT
;
1561 case IP_ROUTER_ALERT
:
1565 case IP_MTU_DISCOVER
:
1571 case IP_MULTICAST_TTL
:
1572 case IP_MULTICAST_LOOP
:
1573 if (get_user_u32(len
, optlen
))
1574 return -TARGET_EFAULT
;
1576 return -TARGET_EINVAL
;
1578 ret
= get_errno(getsockopt(sockfd
, level
, optname
, &val
, &lv
));
1581 if (len
< sizeof(int) && len
> 0 && val
>= 0 && val
< 255) {
1583 if (put_user_u32(len
, optlen
)
1584 || put_user_u8(val
, optval_addr
))
1585 return -TARGET_EFAULT
;
1587 if (len
> sizeof(int))
1589 if (put_user_u32(len
, optlen
)
1590 || put_user_u32(val
, optval_addr
))
1591 return -TARGET_EFAULT
;
1595 ret
= -TARGET_ENOPROTOOPT
;
1601 gemu_log("getsockopt level=%d optname=%d not yet supported\n",
1603 ret
= -TARGET_EOPNOTSUPP
;
1609 static struct iovec
*lock_iovec(int type
, abi_ulong target_addr
,
1610 int count
, int copy
)
1612 struct target_iovec
*target_vec
;
1614 abi_ulong total_len
, max_len
;
1621 if (count
< 0 || count
> IOV_MAX
) {
1626 vec
= calloc(count
, sizeof(struct iovec
));
1632 target_vec
= lock_user(VERIFY_READ
, target_addr
,
1633 count
* sizeof(struct target_iovec
), 1);
1634 if (target_vec
== NULL
) {
1639 /* ??? If host page size > target page size, this will result in a
1640 value larger than what we can actually support. */
1641 max_len
= 0x7fffffff & TARGET_PAGE_MASK
;
1644 for (i
= 0; i
< count
; i
++) {
1645 abi_ulong base
= tswapal(target_vec
[i
].iov_base
);
1646 abi_long len
= tswapal(target_vec
[i
].iov_len
);
1651 } else if (len
== 0) {
1652 /* Zero length pointer is ignored. */
1653 vec
[i
].iov_base
= 0;
1655 vec
[i
].iov_base
= lock_user(type
, base
, len
, copy
);
1656 if (!vec
[i
].iov_base
) {
1660 if (len
> max_len
- total_len
) {
1661 len
= max_len
- total_len
;
1664 vec
[i
].iov_len
= len
;
1668 unlock_user(target_vec
, target_addr
, 0);
1674 unlock_user(target_vec
, target_addr
, 0);
1678 static void unlock_iovec(struct iovec
*vec
, abi_ulong target_addr
,
1679 int count
, int copy
)
1681 struct target_iovec
*target_vec
;
1684 target_vec
= lock_user(VERIFY_READ
, target_addr
,
1685 count
* sizeof(struct target_iovec
), 1);
1687 for (i
= 0; i
< count
; i
++) {
1688 abi_ulong base
= tswapal(target_vec
[i
].iov_base
);
1689 abi_long len
= tswapal(target_vec
[i
].iov_base
);
1693 unlock_user(vec
[i
].iov_base
, base
, copy
? vec
[i
].iov_len
: 0);
1695 unlock_user(target_vec
, target_addr
, 0);
1701 static inline void target_to_host_sock_type(int *type
)
1704 int target_type
= *type
;
1706 switch (target_type
& TARGET_SOCK_TYPE_MASK
) {
1707 case TARGET_SOCK_DGRAM
:
1708 host_type
= SOCK_DGRAM
;
1710 case TARGET_SOCK_STREAM
:
1711 host_type
= SOCK_STREAM
;
1714 host_type
= target_type
& TARGET_SOCK_TYPE_MASK
;
1717 if (target_type
& TARGET_SOCK_CLOEXEC
) {
1718 host_type
|= SOCK_CLOEXEC
;
1720 if (target_type
& TARGET_SOCK_NONBLOCK
) {
1721 host_type
|= SOCK_NONBLOCK
;
1726 /* do_socket() Must return target values and target errnos. */
1727 static abi_long
do_socket(int domain
, int type
, int protocol
)
1729 target_to_host_sock_type(&type
);
1731 if (domain
== PF_NETLINK
)
1732 return -EAFNOSUPPORT
; /* do not NETLINK socket connections possible */
1733 return get_errno(socket(domain
, type
, protocol
));
1736 /* do_bind() Must return target values and target errnos. */
1737 static abi_long
do_bind(int sockfd
, abi_ulong target_addr
,
1743 if ((int)addrlen
< 0) {
1744 return -TARGET_EINVAL
;
1747 addr
= alloca(addrlen
+1);
1749 ret
= target_to_host_sockaddr(addr
, target_addr
, addrlen
);
1753 return get_errno(bind(sockfd
, addr
, addrlen
));
1756 /* do_connect() Must return target values and target errnos. */
1757 static abi_long
do_connect(int sockfd
, abi_ulong target_addr
,
1763 if ((int)addrlen
< 0) {
1764 return -TARGET_EINVAL
;
1767 addr
= alloca(addrlen
);
1769 ret
= target_to_host_sockaddr(addr
, target_addr
, addrlen
);
1773 return get_errno(connect(sockfd
, addr
, addrlen
));
1776 /* do_sendrecvmsg() Must return target values and target errnos. */
1777 static abi_long
do_sendrecvmsg(int fd
, abi_ulong target_msg
,
1778 int flags
, int send
)
1781 struct target_msghdr
*msgp
;
1785 abi_ulong target_vec
;
1788 if (!lock_user_struct(send
? VERIFY_READ
: VERIFY_WRITE
,
1792 return -TARGET_EFAULT
;
1793 if (msgp
->msg_name
) {
1794 msg
.msg_namelen
= tswap32(msgp
->msg_namelen
);
1795 msg
.msg_name
= alloca(msg
.msg_namelen
);
1796 ret
= target_to_host_sockaddr(msg
.msg_name
, tswapal(msgp
->msg_name
),
1802 msg
.msg_name
= NULL
;
1803 msg
.msg_namelen
= 0;
1805 msg
.msg_controllen
= 2 * tswapal(msgp
->msg_controllen
);
1806 msg
.msg_control
= alloca(msg
.msg_controllen
);
1807 msg
.msg_flags
= tswap32(msgp
->msg_flags
);
1809 count
= tswapal(msgp
->msg_iovlen
);
1810 target_vec
= tswapal(msgp
->msg_iov
);
1811 vec
= lock_iovec(send
? VERIFY_READ
: VERIFY_WRITE
,
1812 target_vec
, count
, send
);
1814 ret
= -host_to_target_errno(errno
);
1817 msg
.msg_iovlen
= count
;
1821 ret
= target_to_host_cmsg(&msg
, msgp
);
1823 ret
= get_errno(sendmsg(fd
, &msg
, flags
));
1825 ret
= get_errno(recvmsg(fd
, &msg
, flags
));
1826 if (!is_error(ret
)) {
1828 ret
= host_to_target_cmsg(msgp
, &msg
);
1829 if (!is_error(ret
)) {
1830 msgp
->msg_namelen
= tswap32(msg
.msg_namelen
);
1831 if (msg
.msg_name
!= NULL
) {
1832 ret
= host_to_target_sockaddr(tswapal(msgp
->msg_name
),
1833 msg
.msg_name
, msg
.msg_namelen
);
1845 unlock_iovec(vec
, target_vec
, count
, !send
);
1847 unlock_user_struct(msgp
, target_msg
, send
? 0 : 1);
1851 /* If we don't have a system accept4() then just call accept.
1852 * The callsites to do_accept4() will ensure that they don't
1853 * pass a non-zero flags argument in this config.
1855 #ifndef CONFIG_ACCEPT4
1856 static inline int accept4(int sockfd
, struct sockaddr
*addr
,
1857 socklen_t
*addrlen
, int flags
)
1860 return accept(sockfd
, addr
, addrlen
);
1864 /* do_accept4() Must return target values and target errnos. */
1865 static abi_long
do_accept4(int fd
, abi_ulong target_addr
,
1866 abi_ulong target_addrlen_addr
, int flags
)
1872 if (target_addr
== 0) {
1873 return get_errno(accept4(fd
, NULL
, NULL
, flags
));
1876 /* linux returns EINVAL if addrlen pointer is invalid */
1877 if (get_user_u32(addrlen
, target_addrlen_addr
))
1878 return -TARGET_EINVAL
;
1880 if ((int)addrlen
< 0) {
1881 return -TARGET_EINVAL
;
1884 if (!access_ok(VERIFY_WRITE
, target_addr
, addrlen
))
1885 return -TARGET_EINVAL
;
1887 addr
= alloca(addrlen
);
1889 ret
= get_errno(accept4(fd
, addr
, &addrlen
, flags
));
1890 if (!is_error(ret
)) {
1891 host_to_target_sockaddr(target_addr
, addr
, addrlen
);
1892 if (put_user_u32(addrlen
, target_addrlen_addr
))
1893 ret
= -TARGET_EFAULT
;
1898 /* do_getpeername() Must return target values and target errnos. */
1899 static abi_long
do_getpeername(int fd
, abi_ulong target_addr
,
1900 abi_ulong target_addrlen_addr
)
1906 if (get_user_u32(addrlen
, target_addrlen_addr
))
1907 return -TARGET_EFAULT
;
1909 if ((int)addrlen
< 0) {
1910 return -TARGET_EINVAL
;
1913 if (!access_ok(VERIFY_WRITE
, target_addr
, addrlen
))
1914 return -TARGET_EFAULT
;
1916 addr
= alloca(addrlen
);
1918 ret
= get_errno(getpeername(fd
, addr
, &addrlen
));
1919 if (!is_error(ret
)) {
1920 host_to_target_sockaddr(target_addr
, addr
, addrlen
);
1921 if (put_user_u32(addrlen
, target_addrlen_addr
))
1922 ret
= -TARGET_EFAULT
;
1927 /* do_getsockname() Must return target values and target errnos. */
1928 static abi_long
do_getsockname(int fd
, abi_ulong target_addr
,
1929 abi_ulong target_addrlen_addr
)
1935 if (get_user_u32(addrlen
, target_addrlen_addr
))
1936 return -TARGET_EFAULT
;
1938 if ((int)addrlen
< 0) {
1939 return -TARGET_EINVAL
;
1942 if (!access_ok(VERIFY_WRITE
, target_addr
, addrlen
))
1943 return -TARGET_EFAULT
;
1945 addr
= alloca(addrlen
);
1947 ret
= get_errno(getsockname(fd
, addr
, &addrlen
));
1948 if (!is_error(ret
)) {
1949 host_to_target_sockaddr(target_addr
, addr
, addrlen
);
1950 if (put_user_u32(addrlen
, target_addrlen_addr
))
1951 ret
= -TARGET_EFAULT
;
1956 /* do_socketpair() Must return target values and target errnos. */
1957 static abi_long
do_socketpair(int domain
, int type
, int protocol
,
1958 abi_ulong target_tab_addr
)
1963 target_to_host_sock_type(&type
);
1965 ret
= get_errno(socketpair(domain
, type
, protocol
, tab
));
1966 if (!is_error(ret
)) {
1967 if (put_user_s32(tab
[0], target_tab_addr
)
1968 || put_user_s32(tab
[1], target_tab_addr
+ sizeof(tab
[0])))
1969 ret
= -TARGET_EFAULT
;
1974 /* do_sendto() Must return target values and target errnos. */
1975 static abi_long
do_sendto(int fd
, abi_ulong msg
, size_t len
, int flags
,
1976 abi_ulong target_addr
, socklen_t addrlen
)
1982 if ((int)addrlen
< 0) {
1983 return -TARGET_EINVAL
;
1986 host_msg
= lock_user(VERIFY_READ
, msg
, len
, 1);
1988 return -TARGET_EFAULT
;
1990 addr
= alloca(addrlen
);
1991 ret
= target_to_host_sockaddr(addr
, target_addr
, addrlen
);
1993 unlock_user(host_msg
, msg
, 0);
1996 ret
= get_errno(sendto(fd
, host_msg
, len
, flags
, addr
, addrlen
));
1998 ret
= get_errno(send(fd
, host_msg
, len
, flags
));
2000 unlock_user(host_msg
, msg
, 0);
2004 /* do_recvfrom() Must return target values and target errnos. */
2005 static abi_long
do_recvfrom(int fd
, abi_ulong msg
, size_t len
, int flags
,
2006 abi_ulong target_addr
,
2007 abi_ulong target_addrlen
)
2014 host_msg
= lock_user(VERIFY_WRITE
, msg
, len
, 0);
2016 return -TARGET_EFAULT
;
2018 if (get_user_u32(addrlen
, target_addrlen
)) {
2019 ret
= -TARGET_EFAULT
;
2022 if ((int)addrlen
< 0) {
2023 ret
= -TARGET_EINVAL
;
2026 addr
= alloca(addrlen
);
2027 ret
= get_errno(recvfrom(fd
, host_msg
, len
, flags
, addr
, &addrlen
));
2029 addr
= NULL
; /* To keep compiler quiet. */
2030 ret
= get_errno(qemu_recv(fd
, host_msg
, len
, flags
));
2032 if (!is_error(ret
)) {
2034 host_to_target_sockaddr(target_addr
, addr
, addrlen
);
2035 if (put_user_u32(addrlen
, target_addrlen
)) {
2036 ret
= -TARGET_EFAULT
;
2040 unlock_user(host_msg
, msg
, len
);
2043 unlock_user(host_msg
, msg
, 0);
2048 #ifdef TARGET_NR_socketcall
2049 /* do_socketcall() Must return target values and target errnos. */
2050 static abi_long
do_socketcall(int num
, abi_ulong vptr
)
2053 const int n
= sizeof(abi_ulong
);
2058 abi_ulong domain
, type
, protocol
;
2060 if (get_user_ual(domain
, vptr
)
2061 || get_user_ual(type
, vptr
+ n
)
2062 || get_user_ual(protocol
, vptr
+ 2 * n
))
2063 return -TARGET_EFAULT
;
2065 ret
= do_socket(domain
, type
, protocol
);
2071 abi_ulong target_addr
;
2074 if (get_user_ual(sockfd
, vptr
)
2075 || get_user_ual(target_addr
, vptr
+ n
)
2076 || get_user_ual(addrlen
, vptr
+ 2 * n
))
2077 return -TARGET_EFAULT
;
2079 ret
= do_bind(sockfd
, target_addr
, addrlen
);
2082 case SOCKOP_connect
:
2085 abi_ulong target_addr
;
2088 if (get_user_ual(sockfd
, vptr
)
2089 || get_user_ual(target_addr
, vptr
+ n
)
2090 || get_user_ual(addrlen
, vptr
+ 2 * n
))
2091 return -TARGET_EFAULT
;
2093 ret
= do_connect(sockfd
, target_addr
, addrlen
);
2098 abi_ulong sockfd
, backlog
;
2100 if (get_user_ual(sockfd
, vptr
)
2101 || get_user_ual(backlog
, vptr
+ n
))
2102 return -TARGET_EFAULT
;
2104 ret
= get_errno(listen(sockfd
, backlog
));
2110 abi_ulong target_addr
, target_addrlen
;
2112 if (get_user_ual(sockfd
, vptr
)
2113 || get_user_ual(target_addr
, vptr
+ n
)
2114 || get_user_ual(target_addrlen
, vptr
+ 2 * n
))
2115 return -TARGET_EFAULT
;
2117 ret
= do_accept4(sockfd
, target_addr
, target_addrlen
, 0);
2120 case SOCKOP_getsockname
:
2123 abi_ulong target_addr
, target_addrlen
;
2125 if (get_user_ual(sockfd
, vptr
)
2126 || get_user_ual(target_addr
, vptr
+ n
)
2127 || get_user_ual(target_addrlen
, vptr
+ 2 * n
))
2128 return -TARGET_EFAULT
;
2130 ret
= do_getsockname(sockfd
, target_addr
, target_addrlen
);
2133 case SOCKOP_getpeername
:
2136 abi_ulong target_addr
, target_addrlen
;
2138 if (get_user_ual(sockfd
, vptr
)
2139 || get_user_ual(target_addr
, vptr
+ n
)
2140 || get_user_ual(target_addrlen
, vptr
+ 2 * n
))
2141 return -TARGET_EFAULT
;
2143 ret
= do_getpeername(sockfd
, target_addr
, target_addrlen
);
2146 case SOCKOP_socketpair
:
2148 abi_ulong domain
, type
, protocol
;
2151 if (get_user_ual(domain
, vptr
)
2152 || get_user_ual(type
, vptr
+ n
)
2153 || get_user_ual(protocol
, vptr
+ 2 * n
)
2154 || get_user_ual(tab
, vptr
+ 3 * n
))
2155 return -TARGET_EFAULT
;
2157 ret
= do_socketpair(domain
, type
, protocol
, tab
);
2167 if (get_user_ual(sockfd
, vptr
)
2168 || get_user_ual(msg
, vptr
+ n
)
2169 || get_user_ual(len
, vptr
+ 2 * n
)
2170 || get_user_ual(flags
, vptr
+ 3 * n
))
2171 return -TARGET_EFAULT
;
2173 ret
= do_sendto(sockfd
, msg
, len
, flags
, 0, 0);
2183 if (get_user_ual(sockfd
, vptr
)
2184 || get_user_ual(msg
, vptr
+ n
)
2185 || get_user_ual(len
, vptr
+ 2 * n
)
2186 || get_user_ual(flags
, vptr
+ 3 * n
))
2187 return -TARGET_EFAULT
;
2189 ret
= do_recvfrom(sockfd
, msg
, len
, flags
, 0, 0);
2201 if (get_user_ual(sockfd
, vptr
)
2202 || get_user_ual(msg
, vptr
+ n
)
2203 || get_user_ual(len
, vptr
+ 2 * n
)
2204 || get_user_ual(flags
, vptr
+ 3 * n
)
2205 || get_user_ual(addr
, vptr
+ 4 * n
)
2206 || get_user_ual(addrlen
, vptr
+ 5 * n
))
2207 return -TARGET_EFAULT
;
2209 ret
= do_sendto(sockfd
, msg
, len
, flags
, addr
, addrlen
);
2212 case SOCKOP_recvfrom
:
2221 if (get_user_ual(sockfd
, vptr
)
2222 || get_user_ual(msg
, vptr
+ n
)
2223 || get_user_ual(len
, vptr
+ 2 * n
)
2224 || get_user_ual(flags
, vptr
+ 3 * n
)
2225 || get_user_ual(addr
, vptr
+ 4 * n
)
2226 || get_user_ual(addrlen
, vptr
+ 5 * n
))
2227 return -TARGET_EFAULT
;
2229 ret
= do_recvfrom(sockfd
, msg
, len
, flags
, addr
, addrlen
);
2232 case SOCKOP_shutdown
:
2234 abi_ulong sockfd
, how
;
2236 if (get_user_ual(sockfd
, vptr
)
2237 || get_user_ual(how
, vptr
+ n
))
2238 return -TARGET_EFAULT
;
2240 ret
= get_errno(shutdown(sockfd
, how
));
2243 case SOCKOP_sendmsg
:
2244 case SOCKOP_recvmsg
:
2247 abi_ulong target_msg
;
2250 if (get_user_ual(fd
, vptr
)
2251 || get_user_ual(target_msg
, vptr
+ n
)
2252 || get_user_ual(flags
, vptr
+ 2 * n
))
2253 return -TARGET_EFAULT
;
2255 ret
= do_sendrecvmsg(fd
, target_msg
, flags
,
2256 (num
== SOCKOP_sendmsg
));
2259 case SOCKOP_setsockopt
:
2267 if (get_user_ual(sockfd
, vptr
)
2268 || get_user_ual(level
, vptr
+ n
)
2269 || get_user_ual(optname
, vptr
+ 2 * n
)
2270 || get_user_ual(optval
, vptr
+ 3 * n
)
2271 || get_user_ual(optlen
, vptr
+ 4 * n
))
2272 return -TARGET_EFAULT
;
2274 ret
= do_setsockopt(sockfd
, level
, optname
, optval
, optlen
);
2277 case SOCKOP_getsockopt
:
2285 if (get_user_ual(sockfd
, vptr
)
2286 || get_user_ual(level
, vptr
+ n
)
2287 || get_user_ual(optname
, vptr
+ 2 * n
)
2288 || get_user_ual(optval
, vptr
+ 3 * n
)
2289 || get_user_ual(optlen
, vptr
+ 4 * n
))
2290 return -TARGET_EFAULT
;
2292 ret
= do_getsockopt(sockfd
, level
, optname
, optval
, optlen
);
2296 gemu_log("Unsupported socketcall: %d\n", num
);
2297 ret
= -TARGET_ENOSYS
;
2304 #define N_SHM_REGIONS 32
2306 static struct shm_region
{
2309 } shm_regions
[N_SHM_REGIONS
];
2311 struct target_ipc_perm
2318 unsigned short int mode
;
2319 unsigned short int __pad1
;
2320 unsigned short int __seq
;
2321 unsigned short int __pad2
;
2322 abi_ulong __unused1
;
2323 abi_ulong __unused2
;
2326 struct target_semid_ds
2328 struct target_ipc_perm sem_perm
;
2329 abi_ulong sem_otime
;
2330 abi_ulong __unused1
;
2331 abi_ulong sem_ctime
;
2332 abi_ulong __unused2
;
2333 abi_ulong sem_nsems
;
2334 abi_ulong __unused3
;
2335 abi_ulong __unused4
;
2338 static inline abi_long
target_to_host_ipc_perm(struct ipc_perm
*host_ip
,
2339 abi_ulong target_addr
)
2341 struct target_ipc_perm
*target_ip
;
2342 struct target_semid_ds
*target_sd
;
2344 if (!lock_user_struct(VERIFY_READ
, target_sd
, target_addr
, 1))
2345 return -TARGET_EFAULT
;
2346 target_ip
= &(target_sd
->sem_perm
);
2347 host_ip
->__key
= tswapal(target_ip
->__key
);
2348 host_ip
->uid
= tswapal(target_ip
->uid
);
2349 host_ip
->gid
= tswapal(target_ip
->gid
);
2350 host_ip
->cuid
= tswapal(target_ip
->cuid
);
2351 host_ip
->cgid
= tswapal(target_ip
->cgid
);
2352 host_ip
->mode
= tswap16(target_ip
->mode
);
2353 unlock_user_struct(target_sd
, target_addr
, 0);
2357 static inline abi_long
host_to_target_ipc_perm(abi_ulong target_addr
,
2358 struct ipc_perm
*host_ip
)
2360 struct target_ipc_perm
*target_ip
;
2361 struct target_semid_ds
*target_sd
;
2363 if (!lock_user_struct(VERIFY_WRITE
, target_sd
, target_addr
, 0))
2364 return -TARGET_EFAULT
;
2365 target_ip
= &(target_sd
->sem_perm
);
2366 target_ip
->__key
= tswapal(host_ip
->__key
);
2367 target_ip
->uid
= tswapal(host_ip
->uid
);
2368 target_ip
->gid
= tswapal(host_ip
->gid
);
2369 target_ip
->cuid
= tswapal(host_ip
->cuid
);
2370 target_ip
->cgid
= tswapal(host_ip
->cgid
);
2371 target_ip
->mode
= tswap16(host_ip
->mode
);
2372 unlock_user_struct(target_sd
, target_addr
, 1);
2376 static inline abi_long
target_to_host_semid_ds(struct semid_ds
*host_sd
,
2377 abi_ulong target_addr
)
2379 struct target_semid_ds
*target_sd
;
2381 if (!lock_user_struct(VERIFY_READ
, target_sd
, target_addr
, 1))
2382 return -TARGET_EFAULT
;
2383 if (target_to_host_ipc_perm(&(host_sd
->sem_perm
),target_addr
))
2384 return -TARGET_EFAULT
;
2385 host_sd
->sem_nsems
= tswapal(target_sd
->sem_nsems
);
2386 host_sd
->sem_otime
= tswapal(target_sd
->sem_otime
);
2387 host_sd
->sem_ctime
= tswapal(target_sd
->sem_ctime
);
2388 unlock_user_struct(target_sd
, target_addr
, 0);
2392 static inline abi_long
host_to_target_semid_ds(abi_ulong target_addr
,
2393 struct semid_ds
*host_sd
)
2395 struct target_semid_ds
*target_sd
;
2397 if (!lock_user_struct(VERIFY_WRITE
, target_sd
, target_addr
, 0))
2398 return -TARGET_EFAULT
;
2399 if (host_to_target_ipc_perm(target_addr
,&(host_sd
->sem_perm
)))
2400 return -TARGET_EFAULT
;
2401 target_sd
->sem_nsems
= tswapal(host_sd
->sem_nsems
);
2402 target_sd
->sem_otime
= tswapal(host_sd
->sem_otime
);
2403 target_sd
->sem_ctime
= tswapal(host_sd
->sem_ctime
);
2404 unlock_user_struct(target_sd
, target_addr
, 1);
2408 struct target_seminfo
{
2421 static inline abi_long
host_to_target_seminfo(abi_ulong target_addr
,
2422 struct seminfo
*host_seminfo
)
2424 struct target_seminfo
*target_seminfo
;
2425 if (!lock_user_struct(VERIFY_WRITE
, target_seminfo
, target_addr
, 0))
2426 return -TARGET_EFAULT
;
2427 __put_user(host_seminfo
->semmap
, &target_seminfo
->semmap
);
2428 __put_user(host_seminfo
->semmni
, &target_seminfo
->semmni
);
2429 __put_user(host_seminfo
->semmns
, &target_seminfo
->semmns
);
2430 __put_user(host_seminfo
->semmnu
, &target_seminfo
->semmnu
);
2431 __put_user(host_seminfo
->semmsl
, &target_seminfo
->semmsl
);
2432 __put_user(host_seminfo
->semopm
, &target_seminfo
->semopm
);
2433 __put_user(host_seminfo
->semume
, &target_seminfo
->semume
);
2434 __put_user(host_seminfo
->semusz
, &target_seminfo
->semusz
);
2435 __put_user(host_seminfo
->semvmx
, &target_seminfo
->semvmx
);
2436 __put_user(host_seminfo
->semaem
, &target_seminfo
->semaem
);
2437 unlock_user_struct(target_seminfo
, target_addr
, 1);
2443 struct semid_ds
*buf
;
2444 unsigned short *array
;
2445 struct seminfo
*__buf
;
2448 union target_semun
{
2455 static inline abi_long
target_to_host_semarray(int semid
, unsigned short **host_array
,
2456 abi_ulong target_addr
)
2459 unsigned short *array
;
2461 struct semid_ds semid_ds
;
2464 semun
.buf
= &semid_ds
;
2466 ret
= semctl(semid
, 0, IPC_STAT
, semun
);
2468 return get_errno(ret
);
2470 nsems
= semid_ds
.sem_nsems
;
2472 *host_array
= malloc(nsems
*sizeof(unsigned short));
2473 array
= lock_user(VERIFY_READ
, target_addr
,
2474 nsems
*sizeof(unsigned short), 1);
2476 return -TARGET_EFAULT
;
2478 for(i
=0; i
<nsems
; i
++) {
2479 __get_user((*host_array
)[i
], &array
[i
]);
2481 unlock_user(array
, target_addr
, 0);
2486 static inline abi_long
host_to_target_semarray(int semid
, abi_ulong target_addr
,
2487 unsigned short **host_array
)
2490 unsigned short *array
;
2492 struct semid_ds semid_ds
;
2495 semun
.buf
= &semid_ds
;
2497 ret
= semctl(semid
, 0, IPC_STAT
, semun
);
2499 return get_errno(ret
);
2501 nsems
= semid_ds
.sem_nsems
;
2503 array
= lock_user(VERIFY_WRITE
, target_addr
,
2504 nsems
*sizeof(unsigned short), 0);
2506 return -TARGET_EFAULT
;
2508 for(i
=0; i
<nsems
; i
++) {
2509 __put_user((*host_array
)[i
], &array
[i
]);
2512 unlock_user(array
, target_addr
, 1);
2517 static inline abi_long
do_semctl(int semid
, int semnum
, int cmd
,
2518 union target_semun target_su
)
2521 struct semid_ds dsarg
;
2522 unsigned short *array
= NULL
;
2523 struct seminfo seminfo
;
2524 abi_long ret
= -TARGET_EINVAL
;
2531 arg
.val
= tswap32(target_su
.val
);
2532 ret
= get_errno(semctl(semid
, semnum
, cmd
, arg
));
2533 target_su
.val
= tswap32(arg
.val
);
2537 err
= target_to_host_semarray(semid
, &array
, target_su
.array
);
2541 ret
= get_errno(semctl(semid
, semnum
, cmd
, arg
));
2542 err
= host_to_target_semarray(semid
, target_su
.array
, &array
);
2549 err
= target_to_host_semid_ds(&dsarg
, target_su
.buf
);
2553 ret
= get_errno(semctl(semid
, semnum
, cmd
, arg
));
2554 err
= host_to_target_semid_ds(target_su
.buf
, &dsarg
);
2560 arg
.__buf
= &seminfo
;
2561 ret
= get_errno(semctl(semid
, semnum
, cmd
, arg
));
2562 err
= host_to_target_seminfo(target_su
.__buf
, &seminfo
);
2570 ret
= get_errno(semctl(semid
, semnum
, cmd
, NULL
));
2577 struct target_sembuf
{
2578 unsigned short sem_num
;
2583 static inline abi_long
target_to_host_sembuf(struct sembuf
*host_sembuf
,
2584 abi_ulong target_addr
,
2587 struct target_sembuf
*target_sembuf
;
2590 target_sembuf
= lock_user(VERIFY_READ
, target_addr
,
2591 nsops
*sizeof(struct target_sembuf
), 1);
2593 return -TARGET_EFAULT
;
2595 for(i
=0; i
<nsops
; i
++) {
2596 __get_user(host_sembuf
[i
].sem_num
, &target_sembuf
[i
].sem_num
);
2597 __get_user(host_sembuf
[i
].sem_op
, &target_sembuf
[i
].sem_op
);
2598 __get_user(host_sembuf
[i
].sem_flg
, &target_sembuf
[i
].sem_flg
);
2601 unlock_user(target_sembuf
, target_addr
, 0);
2606 static inline abi_long
do_semop(int semid
, abi_long ptr
, unsigned nsops
)
2608 struct sembuf sops
[nsops
];
2610 if (target_to_host_sembuf(sops
, ptr
, nsops
))
2611 return -TARGET_EFAULT
;
2613 return get_errno(semop(semid
, sops
, nsops
));
2616 struct target_msqid_ds
2618 struct target_ipc_perm msg_perm
;
2619 abi_ulong msg_stime
;
2620 #if TARGET_ABI_BITS == 32
2621 abi_ulong __unused1
;
2623 abi_ulong msg_rtime
;
2624 #if TARGET_ABI_BITS == 32
2625 abi_ulong __unused2
;
2627 abi_ulong msg_ctime
;
2628 #if TARGET_ABI_BITS == 32
2629 abi_ulong __unused3
;
2631 abi_ulong __msg_cbytes
;
2633 abi_ulong msg_qbytes
;
2634 abi_ulong msg_lspid
;
2635 abi_ulong msg_lrpid
;
2636 abi_ulong __unused4
;
2637 abi_ulong __unused5
;
2640 static inline abi_long
target_to_host_msqid_ds(struct msqid_ds
*host_md
,
2641 abi_ulong target_addr
)
2643 struct target_msqid_ds
*target_md
;
2645 if (!lock_user_struct(VERIFY_READ
, target_md
, target_addr
, 1))
2646 return -TARGET_EFAULT
;
2647 if (target_to_host_ipc_perm(&(host_md
->msg_perm
),target_addr
))
2648 return -TARGET_EFAULT
;
2649 host_md
->msg_stime
= tswapal(target_md
->msg_stime
);
2650 host_md
->msg_rtime
= tswapal(target_md
->msg_rtime
);
2651 host_md
->msg_ctime
= tswapal(target_md
->msg_ctime
);
2652 host_md
->__msg_cbytes
= tswapal(target_md
->__msg_cbytes
);
2653 host_md
->msg_qnum
= tswapal(target_md
->msg_qnum
);
2654 host_md
->msg_qbytes
= tswapal(target_md
->msg_qbytes
);
2655 host_md
->msg_lspid
= tswapal(target_md
->msg_lspid
);
2656 host_md
->msg_lrpid
= tswapal(target_md
->msg_lrpid
);
2657 unlock_user_struct(target_md
, target_addr
, 0);
2661 static inline abi_long
host_to_target_msqid_ds(abi_ulong target_addr
,
2662 struct msqid_ds
*host_md
)
2664 struct target_msqid_ds
*target_md
;
2666 if (!lock_user_struct(VERIFY_WRITE
, target_md
, target_addr
, 0))
2667 return -TARGET_EFAULT
;
2668 if (host_to_target_ipc_perm(target_addr
,&(host_md
->msg_perm
)))
2669 return -TARGET_EFAULT
;
2670 target_md
->msg_stime
= tswapal(host_md
->msg_stime
);
2671 target_md
->msg_rtime
= tswapal(host_md
->msg_rtime
);
2672 target_md
->msg_ctime
= tswapal(host_md
->msg_ctime
);
2673 target_md
->__msg_cbytes
= tswapal(host_md
->__msg_cbytes
);
2674 target_md
->msg_qnum
= tswapal(host_md
->msg_qnum
);
2675 target_md
->msg_qbytes
= tswapal(host_md
->msg_qbytes
);
2676 target_md
->msg_lspid
= tswapal(host_md
->msg_lspid
);
2677 target_md
->msg_lrpid
= tswapal(host_md
->msg_lrpid
);
2678 unlock_user_struct(target_md
, target_addr
, 1);
2682 struct target_msginfo
{
2690 unsigned short int msgseg
;
2693 static inline abi_long
host_to_target_msginfo(abi_ulong target_addr
,
2694 struct msginfo
*host_msginfo
)
2696 struct target_msginfo
*target_msginfo
;
2697 if (!lock_user_struct(VERIFY_WRITE
, target_msginfo
, target_addr
, 0))
2698 return -TARGET_EFAULT
;
2699 __put_user(host_msginfo
->msgpool
, &target_msginfo
->msgpool
);
2700 __put_user(host_msginfo
->msgmap
, &target_msginfo
->msgmap
);
2701 __put_user(host_msginfo
->msgmax
, &target_msginfo
->msgmax
);
2702 __put_user(host_msginfo
->msgmnb
, &target_msginfo
->msgmnb
);
2703 __put_user(host_msginfo
->msgmni
, &target_msginfo
->msgmni
);
2704 __put_user(host_msginfo
->msgssz
, &target_msginfo
->msgssz
);
2705 __put_user(host_msginfo
->msgtql
, &target_msginfo
->msgtql
);
2706 __put_user(host_msginfo
->msgseg
, &target_msginfo
->msgseg
);
2707 unlock_user_struct(target_msginfo
, target_addr
, 1);
2711 static inline abi_long
do_msgctl(int msgid
, int cmd
, abi_long ptr
)
2713 struct msqid_ds dsarg
;
2714 struct msginfo msginfo
;
2715 abi_long ret
= -TARGET_EINVAL
;
2723 if (target_to_host_msqid_ds(&dsarg
,ptr
))
2724 return -TARGET_EFAULT
;
2725 ret
= get_errno(msgctl(msgid
, cmd
, &dsarg
));
2726 if (host_to_target_msqid_ds(ptr
,&dsarg
))
2727 return -TARGET_EFAULT
;
2730 ret
= get_errno(msgctl(msgid
, cmd
, NULL
));
2734 ret
= get_errno(msgctl(msgid
, cmd
, (struct msqid_ds
*)&msginfo
));
2735 if (host_to_target_msginfo(ptr
, &msginfo
))
2736 return -TARGET_EFAULT
;
2743 struct target_msgbuf
{
2748 static inline abi_long
do_msgsnd(int msqid
, abi_long msgp
,
2749 unsigned int msgsz
, int msgflg
)
2751 struct target_msgbuf
*target_mb
;
2752 struct msgbuf
*host_mb
;
2755 if (!lock_user_struct(VERIFY_READ
, target_mb
, msgp
, 0))
2756 return -TARGET_EFAULT
;
2757 host_mb
= malloc(msgsz
+sizeof(long));
2758 host_mb
->mtype
= (abi_long
) tswapal(target_mb
->mtype
);
2759 memcpy(host_mb
->mtext
, target_mb
->mtext
, msgsz
);
2760 ret
= get_errno(msgsnd(msqid
, host_mb
, msgsz
, msgflg
));
2762 unlock_user_struct(target_mb
, msgp
, 0);
2767 static inline abi_long
do_msgrcv(int msqid
, abi_long msgp
,
2768 unsigned int msgsz
, abi_long msgtyp
,
2771 struct target_msgbuf
*target_mb
;
2773 struct msgbuf
*host_mb
;
2776 if (!lock_user_struct(VERIFY_WRITE
, target_mb
, msgp
, 0))
2777 return -TARGET_EFAULT
;
2779 host_mb
= g_malloc(msgsz
+sizeof(long));
2780 ret
= get_errno(msgrcv(msqid
, host_mb
, msgsz
, msgtyp
, msgflg
));
2783 abi_ulong target_mtext_addr
= msgp
+ sizeof(abi_ulong
);
2784 target_mtext
= lock_user(VERIFY_WRITE
, target_mtext_addr
, ret
, 0);
2785 if (!target_mtext
) {
2786 ret
= -TARGET_EFAULT
;
2789 memcpy(target_mb
->mtext
, host_mb
->mtext
, ret
);
2790 unlock_user(target_mtext
, target_mtext_addr
, ret
);
2793 target_mb
->mtype
= tswapal(host_mb
->mtype
);
2797 unlock_user_struct(target_mb
, msgp
, 1);
2802 struct target_shmid_ds
2804 struct target_ipc_perm shm_perm
;
2805 abi_ulong shm_segsz
;
2806 abi_ulong shm_atime
;
2807 #if TARGET_ABI_BITS == 32
2808 abi_ulong __unused1
;
2810 abi_ulong shm_dtime
;
2811 #if TARGET_ABI_BITS == 32
2812 abi_ulong __unused2
;
2814 abi_ulong shm_ctime
;
2815 #if TARGET_ABI_BITS == 32
2816 abi_ulong __unused3
;
2820 abi_ulong shm_nattch
;
2821 unsigned long int __unused4
;
2822 unsigned long int __unused5
;
2825 static inline abi_long
target_to_host_shmid_ds(struct shmid_ds
*host_sd
,
2826 abi_ulong target_addr
)
2828 struct target_shmid_ds
*target_sd
;
2830 if (!lock_user_struct(VERIFY_READ
, target_sd
, target_addr
, 1))
2831 return -TARGET_EFAULT
;
2832 if (target_to_host_ipc_perm(&(host_sd
->shm_perm
), target_addr
))
2833 return -TARGET_EFAULT
;
2834 __get_user(host_sd
->shm_segsz
, &target_sd
->shm_segsz
);
2835 __get_user(host_sd
->shm_atime
, &target_sd
->shm_atime
);
2836 __get_user(host_sd
->shm_dtime
, &target_sd
->shm_dtime
);
2837 __get_user(host_sd
->shm_ctime
, &target_sd
->shm_ctime
);
2838 __get_user(host_sd
->shm_cpid
, &target_sd
->shm_cpid
);
2839 __get_user(host_sd
->shm_lpid
, &target_sd
->shm_lpid
);
2840 __get_user(host_sd
->shm_nattch
, &target_sd
->shm_nattch
);
2841 unlock_user_struct(target_sd
, target_addr
, 0);
2845 static inline abi_long
host_to_target_shmid_ds(abi_ulong target_addr
,
2846 struct shmid_ds
*host_sd
)
2848 struct target_shmid_ds
*target_sd
;
2850 if (!lock_user_struct(VERIFY_WRITE
, target_sd
, target_addr
, 0))
2851 return -TARGET_EFAULT
;
2852 if (host_to_target_ipc_perm(target_addr
, &(host_sd
->shm_perm
)))
2853 return -TARGET_EFAULT
;
2854 __put_user(host_sd
->shm_segsz
, &target_sd
->shm_segsz
);
2855 __put_user(host_sd
->shm_atime
, &target_sd
->shm_atime
);
2856 __put_user(host_sd
->shm_dtime
, &target_sd
->shm_dtime
);
2857 __put_user(host_sd
->shm_ctime
, &target_sd
->shm_ctime
);
2858 __put_user(host_sd
->shm_cpid
, &target_sd
->shm_cpid
);
2859 __put_user(host_sd
->shm_lpid
, &target_sd
->shm_lpid
);
2860 __put_user(host_sd
->shm_nattch
, &target_sd
->shm_nattch
);
2861 unlock_user_struct(target_sd
, target_addr
, 1);
2865 struct target_shminfo
{
2873 static inline abi_long
host_to_target_shminfo(abi_ulong target_addr
,
2874 struct shminfo
*host_shminfo
)
2876 struct target_shminfo
*target_shminfo
;
2877 if (!lock_user_struct(VERIFY_WRITE
, target_shminfo
, target_addr
, 0))
2878 return -TARGET_EFAULT
;
2879 __put_user(host_shminfo
->shmmax
, &target_shminfo
->shmmax
);
2880 __put_user(host_shminfo
->shmmin
, &target_shminfo
->shmmin
);
2881 __put_user(host_shminfo
->shmmni
, &target_shminfo
->shmmni
);
2882 __put_user(host_shminfo
->shmseg
, &target_shminfo
->shmseg
);
2883 __put_user(host_shminfo
->shmall
, &target_shminfo
->shmall
);
2884 unlock_user_struct(target_shminfo
, target_addr
, 1);
2888 struct target_shm_info
{
2893 abi_ulong swap_attempts
;
2894 abi_ulong swap_successes
;
2897 static inline abi_long
host_to_target_shm_info(abi_ulong target_addr
,
2898 struct shm_info
*host_shm_info
)
2900 struct target_shm_info
*target_shm_info
;
2901 if (!lock_user_struct(VERIFY_WRITE
, target_shm_info
, target_addr
, 0))
2902 return -TARGET_EFAULT
;
2903 __put_user(host_shm_info
->used_ids
, &target_shm_info
->used_ids
);
2904 __put_user(host_shm_info
->shm_tot
, &target_shm_info
->shm_tot
);
2905 __put_user(host_shm_info
->shm_rss
, &target_shm_info
->shm_rss
);
2906 __put_user(host_shm_info
->shm_swp
, &target_shm_info
->shm_swp
);
2907 __put_user(host_shm_info
->swap_attempts
, &target_shm_info
->swap_attempts
);
2908 __put_user(host_shm_info
->swap_successes
, &target_shm_info
->swap_successes
);
2909 unlock_user_struct(target_shm_info
, target_addr
, 1);
2913 static inline abi_long
do_shmctl(int shmid
, int cmd
, abi_long buf
)
2915 struct shmid_ds dsarg
;
2916 struct shminfo shminfo
;
2917 struct shm_info shm_info
;
2918 abi_long ret
= -TARGET_EINVAL
;
2926 if (target_to_host_shmid_ds(&dsarg
, buf
))
2927 return -TARGET_EFAULT
;
2928 ret
= get_errno(shmctl(shmid
, cmd
, &dsarg
));
2929 if (host_to_target_shmid_ds(buf
, &dsarg
))
2930 return -TARGET_EFAULT
;
2933 ret
= get_errno(shmctl(shmid
, cmd
, (struct shmid_ds
*)&shminfo
));
2934 if (host_to_target_shminfo(buf
, &shminfo
))
2935 return -TARGET_EFAULT
;
2938 ret
= get_errno(shmctl(shmid
, cmd
, (struct shmid_ds
*)&shm_info
));
2939 if (host_to_target_shm_info(buf
, &shm_info
))
2940 return -TARGET_EFAULT
;
2945 ret
= get_errno(shmctl(shmid
, cmd
, NULL
));
2952 static inline abi_ulong
do_shmat(int shmid
, abi_ulong shmaddr
, int shmflg
)
2956 struct shmid_ds shm_info
;
2959 /* find out the length of the shared memory segment */
2960 ret
= get_errno(shmctl(shmid
, IPC_STAT
, &shm_info
));
2961 if (is_error(ret
)) {
2962 /* can't get length, bail out */
2969 host_raddr
= shmat(shmid
, (void *)g2h(shmaddr
), shmflg
);
2971 abi_ulong mmap_start
;
2973 mmap_start
= mmap_find_vma(0, shm_info
.shm_segsz
);
2975 if (mmap_start
== -1) {
2977 host_raddr
= (void *)-1;
2979 host_raddr
= shmat(shmid
, g2h(mmap_start
), shmflg
| SHM_REMAP
);
2982 if (host_raddr
== (void *)-1) {
2984 return get_errno((long)host_raddr
);
2986 raddr
=h2g((unsigned long)host_raddr
);
2988 page_set_flags(raddr
, raddr
+ shm_info
.shm_segsz
,
2989 PAGE_VALID
| PAGE_READ
|
2990 ((shmflg
& SHM_RDONLY
)? 0 : PAGE_WRITE
));
2992 for (i
= 0; i
< N_SHM_REGIONS
; i
++) {
2993 if (shm_regions
[i
].start
== 0) {
2994 shm_regions
[i
].start
= raddr
;
2995 shm_regions
[i
].size
= shm_info
.shm_segsz
;
3005 static inline abi_long
do_shmdt(abi_ulong shmaddr
)
3009 for (i
= 0; i
< N_SHM_REGIONS
; ++i
) {
3010 if (shm_regions
[i
].start
== shmaddr
) {
3011 shm_regions
[i
].start
= 0;
3012 page_set_flags(shmaddr
, shmaddr
+ shm_regions
[i
].size
, 0);
3017 return get_errno(shmdt(g2h(shmaddr
)));
3020 #ifdef TARGET_NR_ipc
3021 /* ??? This only works with linear mappings. */
3022 /* do_ipc() must return target values and target errnos. */
3023 static abi_long
do_ipc(unsigned int call
, int first
,
3024 int second
, int third
,
3025 abi_long ptr
, abi_long fifth
)
3030 version
= call
>> 16;
3035 ret
= do_semop(first
, ptr
, second
);
3039 ret
= get_errno(semget(first
, second
, third
));
3043 ret
= do_semctl(first
, second
, third
, (union target_semun
)(abi_ulong
) ptr
);
3047 ret
= get_errno(msgget(first
, second
));
3051 ret
= do_msgsnd(first
, ptr
, second
, third
);
3055 ret
= do_msgctl(first
, second
, ptr
);
3062 struct target_ipc_kludge
{
3067 if (!lock_user_struct(VERIFY_READ
, tmp
, ptr
, 1)) {
3068 ret
= -TARGET_EFAULT
;
3072 ret
= do_msgrcv(first
, tswapal(tmp
->msgp
), second
, tswapal(tmp
->msgtyp
), third
);
3074 unlock_user_struct(tmp
, ptr
, 0);
3078 ret
= do_msgrcv(first
, ptr
, second
, fifth
, third
);
3087 raddr
= do_shmat(first
, ptr
, second
);
3088 if (is_error(raddr
))
3089 return get_errno(raddr
);
3090 if (put_user_ual(raddr
, third
))
3091 return -TARGET_EFAULT
;
3095 ret
= -TARGET_EINVAL
;
3100 ret
= do_shmdt(ptr
);
3104 /* IPC_* flag values are the same on all linux platforms */
3105 ret
= get_errno(shmget(first
, second
, third
));
3108 /* IPC_* and SHM_* command values are the same on all linux platforms */
3110 ret
= do_shmctl(first
, second
, third
);
3113 gemu_log("Unsupported ipc call: %d (version %d)\n", call
, version
);
3114 ret
= -TARGET_ENOSYS
;
3121 /* kernel structure types definitions */
3123 #define STRUCT(name, ...) STRUCT_ ## name,
3124 #define STRUCT_SPECIAL(name) STRUCT_ ## name,
3126 #include "syscall_types.h"
3129 #undef STRUCT_SPECIAL
3131 #define STRUCT(name, ...) static const argtype struct_ ## name ## _def[] = { __VA_ARGS__, TYPE_NULL };
3132 #define STRUCT_SPECIAL(name)
3133 #include "syscall_types.h"
3135 #undef STRUCT_SPECIAL
3137 typedef struct IOCTLEntry IOCTLEntry
;
3139 typedef abi_long
do_ioctl_fn(const IOCTLEntry
*ie
, uint8_t *buf_temp
,
3140 int fd
, abi_long cmd
, abi_long arg
);
3143 unsigned int target_cmd
;
3144 unsigned int host_cmd
;
3147 do_ioctl_fn
*do_ioctl
;
3148 const argtype arg_type
[5];
3151 #define IOC_R 0x0001
3152 #define IOC_W 0x0002
3153 #define IOC_RW (IOC_R | IOC_W)
3155 #define MAX_STRUCT_SIZE 4096
3157 #ifdef CONFIG_FIEMAP
3158 /* So fiemap access checks don't overflow on 32 bit systems.
3159 * This is very slightly smaller than the limit imposed by
3160 * the underlying kernel.
3162 #define FIEMAP_MAX_EXTENTS ((UINT_MAX - sizeof(struct fiemap)) \
3163 / sizeof(struct fiemap_extent))
3165 static abi_long
do_ioctl_fs_ioc_fiemap(const IOCTLEntry
*ie
, uint8_t *buf_temp
,
3166 int fd
, abi_long cmd
, abi_long arg
)
3168 /* The parameter for this ioctl is a struct fiemap followed
3169 * by an array of struct fiemap_extent whose size is set
3170 * in fiemap->fm_extent_count. The array is filled in by the
3173 int target_size_in
, target_size_out
;
3175 const argtype
*arg_type
= ie
->arg_type
;
3176 const argtype extent_arg_type
[] = { MK_STRUCT(STRUCT_fiemap_extent
) };
3179 int i
, extent_size
= thunk_type_size(extent_arg_type
, 0);
3183 assert(arg_type
[0] == TYPE_PTR
);
3184 assert(ie
->access
== IOC_RW
);
3186 target_size_in
= thunk_type_size(arg_type
, 0);
3187 argptr
= lock_user(VERIFY_READ
, arg
, target_size_in
, 1);
3189 return -TARGET_EFAULT
;
3191 thunk_convert(buf_temp
, argptr
, arg_type
, THUNK_HOST
);
3192 unlock_user(argptr
, arg
, 0);
3193 fm
= (struct fiemap
*)buf_temp
;
3194 if (fm
->fm_extent_count
> FIEMAP_MAX_EXTENTS
) {
3195 return -TARGET_EINVAL
;
3198 outbufsz
= sizeof (*fm
) +
3199 (sizeof(struct fiemap_extent
) * fm
->fm_extent_count
);
3201 if (outbufsz
> MAX_STRUCT_SIZE
) {
3202 /* We can't fit all the extents into the fixed size buffer.
3203 * Allocate one that is large enough and use it instead.
3205 fm
= malloc(outbufsz
);
3207 return -TARGET_ENOMEM
;
3209 memcpy(fm
, buf_temp
, sizeof(struct fiemap
));
3212 ret
= get_errno(ioctl(fd
, ie
->host_cmd
, fm
));
3213 if (!is_error(ret
)) {
3214 target_size_out
= target_size_in
;
3215 /* An extent_count of 0 means we were only counting the extents
3216 * so there are no structs to copy
3218 if (fm
->fm_extent_count
!= 0) {
3219 target_size_out
+= fm
->fm_mapped_extents
* extent_size
;
3221 argptr
= lock_user(VERIFY_WRITE
, arg
, target_size_out
, 0);
3223 ret
= -TARGET_EFAULT
;
3225 /* Convert the struct fiemap */
3226 thunk_convert(argptr
, fm
, arg_type
, THUNK_TARGET
);
3227 if (fm
->fm_extent_count
!= 0) {
3228 p
= argptr
+ target_size_in
;
3229 /* ...and then all the struct fiemap_extents */
3230 for (i
= 0; i
< fm
->fm_mapped_extents
; i
++) {
3231 thunk_convert(p
, &fm
->fm_extents
[i
], extent_arg_type
,
3236 unlock_user(argptr
, arg
, target_size_out
);
3246 static abi_long
do_ioctl_ifconf(const IOCTLEntry
*ie
, uint8_t *buf_temp
,
3247 int fd
, abi_long cmd
, abi_long arg
)
3249 const argtype
*arg_type
= ie
->arg_type
;
3253 struct ifconf
*host_ifconf
;
3255 const argtype ifreq_arg_type
[] = { MK_STRUCT(STRUCT_sockaddr_ifreq
) };
3256 int target_ifreq_size
;
3261 abi_long target_ifc_buf
;
3265 assert(arg_type
[0] == TYPE_PTR
);
3266 assert(ie
->access
== IOC_RW
);
3269 target_size
= thunk_type_size(arg_type
, 0);
3271 argptr
= lock_user(VERIFY_READ
, arg
, target_size
, 1);
3273 return -TARGET_EFAULT
;
3274 thunk_convert(buf_temp
, argptr
, arg_type
, THUNK_HOST
);
3275 unlock_user(argptr
, arg
, 0);
3277 host_ifconf
= (struct ifconf
*)(unsigned long)buf_temp
;
3278 target_ifc_len
= host_ifconf
->ifc_len
;
3279 target_ifc_buf
= (abi_long
)(unsigned long)host_ifconf
->ifc_buf
;
3281 target_ifreq_size
= thunk_type_size(ifreq_arg_type
, 0);
3282 nb_ifreq
= target_ifc_len
/ target_ifreq_size
;
3283 host_ifc_len
= nb_ifreq
* sizeof(struct ifreq
);
3285 outbufsz
= sizeof(*host_ifconf
) + host_ifc_len
;
3286 if (outbufsz
> MAX_STRUCT_SIZE
) {
3287 /* We can't fit all the extents into the fixed size buffer.
3288 * Allocate one that is large enough and use it instead.
3290 host_ifconf
= malloc(outbufsz
);
3292 return -TARGET_ENOMEM
;
3294 memcpy(host_ifconf
, buf_temp
, sizeof(*host_ifconf
));
3297 host_ifc_buf
= (char*)host_ifconf
+ sizeof(*host_ifconf
);
3299 host_ifconf
->ifc_len
= host_ifc_len
;
3300 host_ifconf
->ifc_buf
= host_ifc_buf
;
3302 ret
= get_errno(ioctl(fd
, ie
->host_cmd
, host_ifconf
));
3303 if (!is_error(ret
)) {
3304 /* convert host ifc_len to target ifc_len */
3306 nb_ifreq
= host_ifconf
->ifc_len
/ sizeof(struct ifreq
);
3307 target_ifc_len
= nb_ifreq
* target_ifreq_size
;
3308 host_ifconf
->ifc_len
= target_ifc_len
;
3310 /* restore target ifc_buf */
3312 host_ifconf
->ifc_buf
= (char *)(unsigned long)target_ifc_buf
;
3314 /* copy struct ifconf to target user */
3316 argptr
= lock_user(VERIFY_WRITE
, arg
, target_size
, 0);
3318 return -TARGET_EFAULT
;
3319 thunk_convert(argptr
, host_ifconf
, arg_type
, THUNK_TARGET
);
3320 unlock_user(argptr
, arg
, target_size
);
3322 /* copy ifreq[] to target user */
3324 argptr
= lock_user(VERIFY_WRITE
, target_ifc_buf
, target_ifc_len
, 0);
3325 for (i
= 0; i
< nb_ifreq
; i
++) {
3326 thunk_convert(argptr
+ i
* target_ifreq_size
,
3327 host_ifc_buf
+ i
* sizeof(struct ifreq
),
3328 ifreq_arg_type
, THUNK_TARGET
);
3330 unlock_user(argptr
, target_ifc_buf
, target_ifc_len
);
3340 static abi_long
do_ioctl_dm(const IOCTLEntry
*ie
, uint8_t *buf_temp
, int fd
,
3341 abi_long cmd
, abi_long arg
)
3344 struct dm_ioctl
*host_dm
;
3345 abi_long guest_data
;
3346 uint32_t guest_data_size
;
3348 const argtype
*arg_type
= ie
->arg_type
;
3350 void *big_buf
= NULL
;
3354 target_size
= thunk_type_size(arg_type
, 0);
3355 argptr
= lock_user(VERIFY_READ
, arg
, target_size
, 1);
3357 ret
= -TARGET_EFAULT
;
3360 thunk_convert(buf_temp
, argptr
, arg_type
, THUNK_HOST
);
3361 unlock_user(argptr
, arg
, 0);
3363 /* buf_temp is too small, so fetch things into a bigger buffer */
3364 big_buf
= g_malloc0(((struct dm_ioctl
*)buf_temp
)->data_size
* 2);
3365 memcpy(big_buf
, buf_temp
, target_size
);
3369 guest_data
= arg
+ host_dm
->data_start
;
3370 if ((guest_data
- arg
) < 0) {
3374 guest_data_size
= host_dm
->data_size
- host_dm
->data_start
;
3375 host_data
= (char*)host_dm
+ host_dm
->data_start
;
3377 argptr
= lock_user(VERIFY_READ
, guest_data
, guest_data_size
, 1);
3378 switch (ie
->host_cmd
) {
3380 case DM_LIST_DEVICES
:
3383 case DM_DEV_SUSPEND
:
3386 case DM_TABLE_STATUS
:
3387 case DM_TABLE_CLEAR
:
3389 case DM_LIST_VERSIONS
:
3393 case DM_DEV_SET_GEOMETRY
:
3394 /* data contains only strings */
3395 memcpy(host_data
, argptr
, guest_data_size
);
3398 memcpy(host_data
, argptr
, guest_data_size
);
3399 *(uint64_t*)host_data
= tswap64(*(uint64_t*)argptr
);
3403 void *gspec
= argptr
;
3404 void *cur_data
= host_data
;
3405 const argtype arg_type
[] = { MK_STRUCT(STRUCT_dm_target_spec
) };
3406 int spec_size
= thunk_type_size(arg_type
, 0);
3409 for (i
= 0; i
< host_dm
->target_count
; i
++) {
3410 struct dm_target_spec
*spec
= cur_data
;
3414 thunk_convert(spec
, gspec
, arg_type
, THUNK_HOST
);
3415 slen
= strlen((char*)gspec
+ spec_size
) + 1;
3417 spec
->next
= sizeof(*spec
) + slen
;
3418 strcpy((char*)&spec
[1], gspec
+ spec_size
);
3420 cur_data
+= spec
->next
;
3425 ret
= -TARGET_EINVAL
;
3428 unlock_user(argptr
, guest_data
, 0);
3430 ret
= get_errno(ioctl(fd
, ie
->host_cmd
, buf_temp
));
3431 if (!is_error(ret
)) {
3432 guest_data
= arg
+ host_dm
->data_start
;
3433 guest_data_size
= host_dm
->data_size
- host_dm
->data_start
;
3434 argptr
= lock_user(VERIFY_WRITE
, guest_data
, guest_data_size
, 0);
3435 switch (ie
->host_cmd
) {
3440 case DM_DEV_SUSPEND
:
3443 case DM_TABLE_CLEAR
:
3445 case DM_DEV_SET_GEOMETRY
:
3446 /* no return data */
3448 case DM_LIST_DEVICES
:
3450 struct dm_name_list
*nl
= (void*)host_dm
+ host_dm
->data_start
;
3451 uint32_t remaining_data
= guest_data_size
;
3452 void *cur_data
= argptr
;
3453 const argtype arg_type
[] = { MK_STRUCT(STRUCT_dm_name_list
) };
3454 int nl_size
= 12; /* can't use thunk_size due to alignment */
3457 uint32_t next
= nl
->next
;
3459 nl
->next
= nl_size
+ (strlen(nl
->name
) + 1);
3461 if (remaining_data
< nl
->next
) {
3462 host_dm
->flags
|= DM_BUFFER_FULL_FLAG
;
3465 thunk_convert(cur_data
, nl
, arg_type
, THUNK_TARGET
);
3466 strcpy(cur_data
+ nl_size
, nl
->name
);
3467 cur_data
+= nl
->next
;
3468 remaining_data
-= nl
->next
;
3472 nl
= (void*)nl
+ next
;
3477 case DM_TABLE_STATUS
:
3479 struct dm_target_spec
*spec
= (void*)host_dm
+ host_dm
->data_start
;
3480 void *cur_data
= argptr
;
3481 const argtype arg_type
[] = { MK_STRUCT(STRUCT_dm_target_spec
) };
3482 int spec_size
= thunk_type_size(arg_type
, 0);
3485 for (i
= 0; i
< host_dm
->target_count
; i
++) {
3486 uint32_t next
= spec
->next
;
3487 int slen
= strlen((char*)&spec
[1]) + 1;
3488 spec
->next
= (cur_data
- argptr
) + spec_size
+ slen
;
3489 if (guest_data_size
< spec
->next
) {
3490 host_dm
->flags
|= DM_BUFFER_FULL_FLAG
;
3493 thunk_convert(cur_data
, spec
, arg_type
, THUNK_TARGET
);
3494 strcpy(cur_data
+ spec_size
, (char*)&spec
[1]);
3495 cur_data
= argptr
+ spec
->next
;
3496 spec
= (void*)host_dm
+ host_dm
->data_start
+ next
;
3502 void *hdata
= (void*)host_dm
+ host_dm
->data_start
;
3503 int count
= *(uint32_t*)hdata
;
3504 uint64_t *hdev
= hdata
+ 8;
3505 uint64_t *gdev
= argptr
+ 8;
3508 *(uint32_t*)argptr
= tswap32(count
);
3509 for (i
= 0; i
< count
; i
++) {
3510 *gdev
= tswap64(*hdev
);
3516 case DM_LIST_VERSIONS
:
3518 struct dm_target_versions
*vers
= (void*)host_dm
+ host_dm
->data_start
;
3519 uint32_t remaining_data
= guest_data_size
;
3520 void *cur_data
= argptr
;
3521 const argtype arg_type
[] = { MK_STRUCT(STRUCT_dm_target_versions
) };
3522 int vers_size
= thunk_type_size(arg_type
, 0);
3525 uint32_t next
= vers
->next
;
3527 vers
->next
= vers_size
+ (strlen(vers
->name
) + 1);
3529 if (remaining_data
< vers
->next
) {
3530 host_dm
->flags
|= DM_BUFFER_FULL_FLAG
;
3533 thunk_convert(cur_data
, vers
, arg_type
, THUNK_TARGET
);
3534 strcpy(cur_data
+ vers_size
, vers
->name
);
3535 cur_data
+= vers
->next
;
3536 remaining_data
-= vers
->next
;
3540 vers
= (void*)vers
+ next
;
3545 ret
= -TARGET_EINVAL
;
3548 unlock_user(argptr
, guest_data
, guest_data_size
);
3550 argptr
= lock_user(VERIFY_WRITE
, arg
, target_size
, 0);
3552 ret
= -TARGET_EFAULT
;
3555 thunk_convert(argptr
, buf_temp
, arg_type
, THUNK_TARGET
);
3556 unlock_user(argptr
, arg
, target_size
);
3563 static abi_long
do_ioctl_rt(const IOCTLEntry
*ie
, uint8_t *buf_temp
,
3564 int fd
, abi_long cmd
, abi_long arg
)
3566 const argtype
*arg_type
= ie
->arg_type
;
3567 const StructEntry
*se
;
3568 const argtype
*field_types
;
3569 const int *dst_offsets
, *src_offsets
;
3572 abi_ulong
*target_rt_dev_ptr
;
3573 unsigned long *host_rt_dev_ptr
;
3577 assert(ie
->access
== IOC_W
);
3578 assert(*arg_type
== TYPE_PTR
);
3580 assert(*arg_type
== TYPE_STRUCT
);
3581 target_size
= thunk_type_size(arg_type
, 0);
3582 argptr
= lock_user(VERIFY_READ
, arg
, target_size
, 1);
3584 return -TARGET_EFAULT
;
3587 assert(*arg_type
== (int)STRUCT_rtentry
);
3588 se
= struct_entries
+ *arg_type
++;
3589 assert(se
->convert
[0] == NULL
);
3590 /* convert struct here to be able to catch rt_dev string */
3591 field_types
= se
->field_types
;
3592 dst_offsets
= se
->field_offsets
[THUNK_HOST
];
3593 src_offsets
= se
->field_offsets
[THUNK_TARGET
];
3594 for (i
= 0; i
< se
->nb_fields
; i
++) {
3595 if (dst_offsets
[i
] == offsetof(struct rtentry
, rt_dev
)) {
3596 assert(*field_types
== TYPE_PTRVOID
);
3597 target_rt_dev_ptr
= (abi_ulong
*)(argptr
+ src_offsets
[i
]);
3598 host_rt_dev_ptr
= (unsigned long *)(buf_temp
+ dst_offsets
[i
]);
3599 if (*target_rt_dev_ptr
!= 0) {
3600 *host_rt_dev_ptr
= (unsigned long)lock_user_string(
3601 tswapal(*target_rt_dev_ptr
));
3602 if (!*host_rt_dev_ptr
) {
3603 unlock_user(argptr
, arg
, 0);
3604 return -TARGET_EFAULT
;
3607 *host_rt_dev_ptr
= 0;
3612 field_types
= thunk_convert(buf_temp
+ dst_offsets
[i
],
3613 argptr
+ src_offsets
[i
],
3614 field_types
, THUNK_HOST
);
3616 unlock_user(argptr
, arg
, 0);
3618 ret
= get_errno(ioctl(fd
, ie
->host_cmd
, buf_temp
));
3619 if (*host_rt_dev_ptr
!= 0) {
3620 unlock_user((void *)*host_rt_dev_ptr
,
3621 *target_rt_dev_ptr
, 0);
3626 static IOCTLEntry ioctl_entries
[] = {
3627 #define IOCTL(cmd, access, ...) \
3628 { TARGET_ ## cmd, cmd, #cmd, access, 0, { __VA_ARGS__ } },
3629 #define IOCTL_SPECIAL(cmd, access, dofn, ...) \
3630 { TARGET_ ## cmd, cmd, #cmd, access, dofn, { __VA_ARGS__ } },
3635 /* ??? Implement proper locking for ioctls. */
3636 /* do_ioctl() Must return target values and target errnos. */
3637 static abi_long
do_ioctl(int fd
, abi_long cmd
, abi_long arg
)
3639 const IOCTLEntry
*ie
;
3640 const argtype
*arg_type
;
3642 uint8_t buf_temp
[MAX_STRUCT_SIZE
];
3648 if (ie
->target_cmd
== 0) {
3649 gemu_log("Unsupported ioctl: cmd=0x%04lx\n", (long)cmd
);
3650 return -TARGET_ENOSYS
;
3652 if (ie
->target_cmd
== cmd
)
3656 arg_type
= ie
->arg_type
;
3658 gemu_log("ioctl: cmd=0x%04lx (%s)\n", (long)cmd
, ie
->name
);
3661 return ie
->do_ioctl(ie
, buf_temp
, fd
, cmd
, arg
);
3664 switch(arg_type
[0]) {
3667 ret
= get_errno(ioctl(fd
, ie
->host_cmd
));
3672 ret
= get_errno(ioctl(fd
, ie
->host_cmd
, arg
));
3676 target_size
= thunk_type_size(arg_type
, 0);
3677 switch(ie
->access
) {
3679 ret
= get_errno(ioctl(fd
, ie
->host_cmd
, buf_temp
));
3680 if (!is_error(ret
)) {
3681 argptr
= lock_user(VERIFY_WRITE
, arg
, target_size
, 0);
3683 return -TARGET_EFAULT
;
3684 thunk_convert(argptr
, buf_temp
, arg_type
, THUNK_TARGET
);
3685 unlock_user(argptr
, arg
, target_size
);
3689 argptr
= lock_user(VERIFY_READ
, arg
, target_size
, 1);
3691 return -TARGET_EFAULT
;
3692 thunk_convert(buf_temp
, argptr
, arg_type
, THUNK_HOST
);
3693 unlock_user(argptr
, arg
, 0);
3694 ret
= get_errno(ioctl(fd
, ie
->host_cmd
, buf_temp
));
3698 argptr
= lock_user(VERIFY_READ
, arg
, target_size
, 1);
3700 return -TARGET_EFAULT
;
3701 thunk_convert(buf_temp
, argptr
, arg_type
, THUNK_HOST
);
3702 unlock_user(argptr
, arg
, 0);
3703 ret
= get_errno(ioctl(fd
, ie
->host_cmd
, buf_temp
));
3704 if (!is_error(ret
)) {
3705 argptr
= lock_user(VERIFY_WRITE
, arg
, target_size
, 0);
3707 return -TARGET_EFAULT
;
3708 thunk_convert(argptr
, buf_temp
, arg_type
, THUNK_TARGET
);
3709 unlock_user(argptr
, arg
, target_size
);
3715 gemu_log("Unsupported ioctl type: cmd=0x%04lx type=%d\n",
3716 (long)cmd
, arg_type
[0]);
3717 ret
= -TARGET_ENOSYS
;
3723 static const bitmask_transtbl iflag_tbl
[] = {
3724 { TARGET_IGNBRK
, TARGET_IGNBRK
, IGNBRK
, IGNBRK
},
3725 { TARGET_BRKINT
, TARGET_BRKINT
, BRKINT
, BRKINT
},
3726 { TARGET_IGNPAR
, TARGET_IGNPAR
, IGNPAR
, IGNPAR
},
3727 { TARGET_PARMRK
, TARGET_PARMRK
, PARMRK
, PARMRK
},
3728 { TARGET_INPCK
, TARGET_INPCK
, INPCK
, INPCK
},
3729 { TARGET_ISTRIP
, TARGET_ISTRIP
, ISTRIP
, ISTRIP
},
3730 { TARGET_INLCR
, TARGET_INLCR
, INLCR
, INLCR
},
3731 { TARGET_IGNCR
, TARGET_IGNCR
, IGNCR
, IGNCR
},
3732 { TARGET_ICRNL
, TARGET_ICRNL
, ICRNL
, ICRNL
},
3733 { TARGET_IUCLC
, TARGET_IUCLC
, IUCLC
, IUCLC
},
3734 { TARGET_IXON
, TARGET_IXON
, IXON
, IXON
},
3735 { TARGET_IXANY
, TARGET_IXANY
, IXANY
, IXANY
},
3736 { TARGET_IXOFF
, TARGET_IXOFF
, IXOFF
, IXOFF
},
3737 { TARGET_IMAXBEL
, TARGET_IMAXBEL
, IMAXBEL
, IMAXBEL
},
3741 static const bitmask_transtbl oflag_tbl
[] = {
3742 { TARGET_OPOST
, TARGET_OPOST
, OPOST
, OPOST
},
3743 { TARGET_OLCUC
, TARGET_OLCUC
, OLCUC
, OLCUC
},
3744 { TARGET_ONLCR
, TARGET_ONLCR
, ONLCR
, ONLCR
},
3745 { TARGET_OCRNL
, TARGET_OCRNL
, OCRNL
, OCRNL
},
3746 { TARGET_ONOCR
, TARGET_ONOCR
, ONOCR
, ONOCR
},
3747 { TARGET_ONLRET
, TARGET_ONLRET
, ONLRET
, ONLRET
},
3748 { TARGET_OFILL
, TARGET_OFILL
, OFILL
, OFILL
},
3749 { TARGET_OFDEL
, TARGET_OFDEL
, OFDEL
, OFDEL
},
3750 { TARGET_NLDLY
, TARGET_NL0
, NLDLY
, NL0
},
3751 { TARGET_NLDLY
, TARGET_NL1
, NLDLY
, NL1
},
3752 { TARGET_CRDLY
, TARGET_CR0
, CRDLY
, CR0
},
3753 { TARGET_CRDLY
, TARGET_CR1
, CRDLY
, CR1
},
3754 { TARGET_CRDLY
, TARGET_CR2
, CRDLY
, CR2
},
3755 { TARGET_CRDLY
, TARGET_CR3
, CRDLY
, CR3
},
3756 { TARGET_TABDLY
, TARGET_TAB0
, TABDLY
, TAB0
},
3757 { TARGET_TABDLY
, TARGET_TAB1
, TABDLY
, TAB1
},
3758 { TARGET_TABDLY
, TARGET_TAB2
, TABDLY
, TAB2
},
3759 { TARGET_TABDLY
, TARGET_TAB3
, TABDLY
, TAB3
},
3760 { TARGET_BSDLY
, TARGET_BS0
, BSDLY
, BS0
},
3761 { TARGET_BSDLY
, TARGET_BS1
, BSDLY
, BS1
},
3762 { TARGET_VTDLY
, TARGET_VT0
, VTDLY
, VT0
},
3763 { TARGET_VTDLY
, TARGET_VT1
, VTDLY
, VT1
},
3764 { TARGET_FFDLY
, TARGET_FF0
, FFDLY
, FF0
},
3765 { TARGET_FFDLY
, TARGET_FF1
, FFDLY
, FF1
},
3769 static const bitmask_transtbl cflag_tbl
[] = {
3770 { TARGET_CBAUD
, TARGET_B0
, CBAUD
, B0
},
3771 { TARGET_CBAUD
, TARGET_B50
, CBAUD
, B50
},
3772 { TARGET_CBAUD
, TARGET_B75
, CBAUD
, B75
},
3773 { TARGET_CBAUD
, TARGET_B110
, CBAUD
, B110
},
3774 { TARGET_CBAUD
, TARGET_B134
, CBAUD
, B134
},
3775 { TARGET_CBAUD
, TARGET_B150
, CBAUD
, B150
},
3776 { TARGET_CBAUD
, TARGET_B200
, CBAUD
, B200
},
3777 { TARGET_CBAUD
, TARGET_B300
, CBAUD
, B300
},
3778 { TARGET_CBAUD
, TARGET_B600
, CBAUD
, B600
},
3779 { TARGET_CBAUD
, TARGET_B1200
, CBAUD
, B1200
},
3780 { TARGET_CBAUD
, TARGET_B1800
, CBAUD
, B1800
},
3781 { TARGET_CBAUD
, TARGET_B2400
, CBAUD
, B2400
},
3782 { TARGET_CBAUD
, TARGET_B4800
, CBAUD
, B4800
},
3783 { TARGET_CBAUD
, TARGET_B9600
, CBAUD
, B9600
},
3784 { TARGET_CBAUD
, TARGET_B19200
, CBAUD
, B19200
},
3785 { TARGET_CBAUD
, TARGET_B38400
, CBAUD
, B38400
},
3786 { TARGET_CBAUD
, TARGET_B57600
, CBAUD
, B57600
},
3787 { TARGET_CBAUD
, TARGET_B115200
, CBAUD
, B115200
},
3788 { TARGET_CBAUD
, TARGET_B230400
, CBAUD
, B230400
},
3789 { TARGET_CBAUD
, TARGET_B460800
, CBAUD
, B460800
},
3790 { TARGET_CSIZE
, TARGET_CS5
, CSIZE
, CS5
},
3791 { TARGET_CSIZE
, TARGET_CS6
, CSIZE
, CS6
},
3792 { TARGET_CSIZE
, TARGET_CS7
, CSIZE
, CS7
},
3793 { TARGET_CSIZE
, TARGET_CS8
, CSIZE
, CS8
},
3794 { TARGET_CSTOPB
, TARGET_CSTOPB
, CSTOPB
, CSTOPB
},
3795 { TARGET_CREAD
, TARGET_CREAD
, CREAD
, CREAD
},
3796 { TARGET_PARENB
, TARGET_PARENB
, PARENB
, PARENB
},
3797 { TARGET_PARODD
, TARGET_PARODD
, PARODD
, PARODD
},
3798 { TARGET_HUPCL
, TARGET_HUPCL
, HUPCL
, HUPCL
},
3799 { TARGET_CLOCAL
, TARGET_CLOCAL
, CLOCAL
, CLOCAL
},
3800 { TARGET_CRTSCTS
, TARGET_CRTSCTS
, CRTSCTS
, CRTSCTS
},
3804 static const bitmask_transtbl lflag_tbl
[] = {
3805 { TARGET_ISIG
, TARGET_ISIG
, ISIG
, ISIG
},
3806 { TARGET_ICANON
, TARGET_ICANON
, ICANON
, ICANON
},
3807 { TARGET_XCASE
, TARGET_XCASE
, XCASE
, XCASE
},
3808 { TARGET_ECHO
, TARGET_ECHO
, ECHO
, ECHO
},
3809 { TARGET_ECHOE
, TARGET_ECHOE
, ECHOE
, ECHOE
},
3810 { TARGET_ECHOK
, TARGET_ECHOK
, ECHOK
, ECHOK
},
3811 { TARGET_ECHONL
, TARGET_ECHONL
, ECHONL
, ECHONL
},
3812 { TARGET_NOFLSH
, TARGET_NOFLSH
, NOFLSH
, NOFLSH
},
3813 { TARGET_TOSTOP
, TARGET_TOSTOP
, TOSTOP
, TOSTOP
},
3814 { TARGET_ECHOCTL
, TARGET_ECHOCTL
, ECHOCTL
, ECHOCTL
},
3815 { TARGET_ECHOPRT
, TARGET_ECHOPRT
, ECHOPRT
, ECHOPRT
},
3816 { TARGET_ECHOKE
, TARGET_ECHOKE
, ECHOKE
, ECHOKE
},
3817 { TARGET_FLUSHO
, TARGET_FLUSHO
, FLUSHO
, FLUSHO
},
3818 { TARGET_PENDIN
, TARGET_PENDIN
, PENDIN
, PENDIN
},
3819 { TARGET_IEXTEN
, TARGET_IEXTEN
, IEXTEN
, IEXTEN
},
3823 static void target_to_host_termios (void *dst
, const void *src
)
3825 struct host_termios
*host
= dst
;
3826 const struct target_termios
*target
= src
;
3829 target_to_host_bitmask(tswap32(target
->c_iflag
), iflag_tbl
);
3831 target_to_host_bitmask(tswap32(target
->c_oflag
), oflag_tbl
);
3833 target_to_host_bitmask(tswap32(target
->c_cflag
), cflag_tbl
);
3835 target_to_host_bitmask(tswap32(target
->c_lflag
), lflag_tbl
);
3836 host
->c_line
= target
->c_line
;
3838 memset(host
->c_cc
, 0, sizeof(host
->c_cc
));
3839 host
->c_cc
[VINTR
] = target
->c_cc
[TARGET_VINTR
];
3840 host
->c_cc
[VQUIT
] = target
->c_cc
[TARGET_VQUIT
];
3841 host
->c_cc
[VERASE
] = target
->c_cc
[TARGET_VERASE
];
3842 host
->c_cc
[VKILL
] = target
->c_cc
[TARGET_VKILL
];
3843 host
->c_cc
[VEOF
] = target
->c_cc
[TARGET_VEOF
];
3844 host
->c_cc
[VTIME
] = target
->c_cc
[TARGET_VTIME
];
3845 host
->c_cc
[VMIN
] = target
->c_cc
[TARGET_VMIN
];
3846 host
->c_cc
[VSWTC
] = target
->c_cc
[TARGET_VSWTC
];
3847 host
->c_cc
[VSTART
] = target
->c_cc
[TARGET_VSTART
];
3848 host
->c_cc
[VSTOP
] = target
->c_cc
[TARGET_VSTOP
];
3849 host
->c_cc
[VSUSP
] = target
->c_cc
[TARGET_VSUSP
];
3850 host
->c_cc
[VEOL
] = target
->c_cc
[TARGET_VEOL
];
3851 host
->c_cc
[VREPRINT
] = target
->c_cc
[TARGET_VREPRINT
];
3852 host
->c_cc
[VDISCARD
] = target
->c_cc
[TARGET_VDISCARD
];
3853 host
->c_cc
[VWERASE
] = target
->c_cc
[TARGET_VWERASE
];
3854 host
->c_cc
[VLNEXT
] = target
->c_cc
[TARGET_VLNEXT
];
3855 host
->c_cc
[VEOL2
] = target
->c_cc
[TARGET_VEOL2
];
3858 static void host_to_target_termios (void *dst
, const void *src
)
3860 struct target_termios
*target
= dst
;
3861 const struct host_termios
*host
= src
;
3864 tswap32(host_to_target_bitmask(host
->c_iflag
, iflag_tbl
));
3866 tswap32(host_to_target_bitmask(host
->c_oflag
, oflag_tbl
));
3868 tswap32(host_to_target_bitmask(host
->c_cflag
, cflag_tbl
));
3870 tswap32(host_to_target_bitmask(host
->c_lflag
, lflag_tbl
));
3871 target
->c_line
= host
->c_line
;
3873 memset(target
->c_cc
, 0, sizeof(target
->c_cc
));
3874 target
->c_cc
[TARGET_VINTR
] = host
->c_cc
[VINTR
];
3875 target
->c_cc
[TARGET_VQUIT
] = host
->c_cc
[VQUIT
];
3876 target
->c_cc
[TARGET_VERASE
] = host
->c_cc
[VERASE
];
3877 target
->c_cc
[TARGET_VKILL
] = host
->c_cc
[VKILL
];
3878 target
->c_cc
[TARGET_VEOF
] = host
->c_cc
[VEOF
];
3879 target
->c_cc
[TARGET_VTIME
] = host
->c_cc
[VTIME
];
3880 target
->c_cc
[TARGET_VMIN
] = host
->c_cc
[VMIN
];
3881 target
->c_cc
[TARGET_VSWTC
] = host
->c_cc
[VSWTC
];
3882 target
->c_cc
[TARGET_VSTART
] = host
->c_cc
[VSTART
];
3883 target
->c_cc
[TARGET_VSTOP
] = host
->c_cc
[VSTOP
];
3884 target
->c_cc
[TARGET_VSUSP
] = host
->c_cc
[VSUSP
];
3885 target
->c_cc
[TARGET_VEOL
] = host
->c_cc
[VEOL
];
3886 target
->c_cc
[TARGET_VREPRINT
] = host
->c_cc
[VREPRINT
];
3887 target
->c_cc
[TARGET_VDISCARD
] = host
->c_cc
[VDISCARD
];
3888 target
->c_cc
[TARGET_VWERASE
] = host
->c_cc
[VWERASE
];
3889 target
->c_cc
[TARGET_VLNEXT
] = host
->c_cc
[VLNEXT
];
3890 target
->c_cc
[TARGET_VEOL2
] = host
->c_cc
[VEOL2
];
3893 static const StructEntry struct_termios_def
= {
3894 .convert
= { host_to_target_termios
, target_to_host_termios
},
3895 .size
= { sizeof(struct target_termios
), sizeof(struct host_termios
) },
3896 .align
= { __alignof__(struct target_termios
), __alignof__(struct host_termios
) },
3899 static bitmask_transtbl mmap_flags_tbl
[] = {
3900 { TARGET_MAP_SHARED
, TARGET_MAP_SHARED
, MAP_SHARED
, MAP_SHARED
},
3901 { TARGET_MAP_PRIVATE
, TARGET_MAP_PRIVATE
, MAP_PRIVATE
, MAP_PRIVATE
},
3902 { TARGET_MAP_FIXED
, TARGET_MAP_FIXED
, MAP_FIXED
, MAP_FIXED
},
3903 { TARGET_MAP_ANONYMOUS
, TARGET_MAP_ANONYMOUS
, MAP_ANONYMOUS
, MAP_ANONYMOUS
},
3904 { TARGET_MAP_GROWSDOWN
, TARGET_MAP_GROWSDOWN
, MAP_GROWSDOWN
, MAP_GROWSDOWN
},
3905 { TARGET_MAP_DENYWRITE
, TARGET_MAP_DENYWRITE
, MAP_DENYWRITE
, MAP_DENYWRITE
},
3906 { TARGET_MAP_EXECUTABLE
, TARGET_MAP_EXECUTABLE
, MAP_EXECUTABLE
, MAP_EXECUTABLE
},
3907 { TARGET_MAP_LOCKED
, TARGET_MAP_LOCKED
, MAP_LOCKED
, MAP_LOCKED
},
3911 #if defined(TARGET_I386)
3913 /* NOTE: there is really one LDT for all the threads */
3914 static uint8_t *ldt_table
;
3916 static abi_long
read_ldt(abi_ulong ptr
, unsigned long bytecount
)
3923 size
= TARGET_LDT_ENTRIES
* TARGET_LDT_ENTRY_SIZE
;
3924 if (size
> bytecount
)
3926 p
= lock_user(VERIFY_WRITE
, ptr
, size
, 0);
3928 return -TARGET_EFAULT
;
3929 /* ??? Should this by byteswapped? */
3930 memcpy(p
, ldt_table
, size
);
3931 unlock_user(p
, ptr
, size
);
3935 /* XXX: add locking support */
3936 static abi_long
write_ldt(CPUX86State
*env
,
3937 abi_ulong ptr
, unsigned long bytecount
, int oldmode
)
3939 struct target_modify_ldt_ldt_s ldt_info
;
3940 struct target_modify_ldt_ldt_s
*target_ldt_info
;
3941 int seg_32bit
, contents
, read_exec_only
, limit_in_pages
;
3942 int seg_not_present
, useable
, lm
;
3943 uint32_t *lp
, entry_1
, entry_2
;
3945 if (bytecount
!= sizeof(ldt_info
))
3946 return -TARGET_EINVAL
;
3947 if (!lock_user_struct(VERIFY_READ
, target_ldt_info
, ptr
, 1))
3948 return -TARGET_EFAULT
;
3949 ldt_info
.entry_number
= tswap32(target_ldt_info
->entry_number
);
3950 ldt_info
.base_addr
= tswapal(target_ldt_info
->base_addr
);
3951 ldt_info
.limit
= tswap32(target_ldt_info
->limit
);
3952 ldt_info
.flags
= tswap32(target_ldt_info
->flags
);
3953 unlock_user_struct(target_ldt_info
, ptr
, 0);
3955 if (ldt_info
.entry_number
>= TARGET_LDT_ENTRIES
)
3956 return -TARGET_EINVAL
;
3957 seg_32bit
= ldt_info
.flags
& 1;
3958 contents
= (ldt_info
.flags
>> 1) & 3;
3959 read_exec_only
= (ldt_info
.flags
>> 3) & 1;
3960 limit_in_pages
= (ldt_info
.flags
>> 4) & 1;
3961 seg_not_present
= (ldt_info
.flags
>> 5) & 1;
3962 useable
= (ldt_info
.flags
>> 6) & 1;
3966 lm
= (ldt_info
.flags
>> 7) & 1;
3968 if (contents
== 3) {
3970 return -TARGET_EINVAL
;
3971 if (seg_not_present
== 0)
3972 return -TARGET_EINVAL
;
3974 /* allocate the LDT */
3976 env
->ldt
.base
= target_mmap(0,
3977 TARGET_LDT_ENTRIES
* TARGET_LDT_ENTRY_SIZE
,
3978 PROT_READ
|PROT_WRITE
,
3979 MAP_ANONYMOUS
|MAP_PRIVATE
, -1, 0);
3980 if (env
->ldt
.base
== -1)
3981 return -TARGET_ENOMEM
;
3982 memset(g2h(env
->ldt
.base
), 0,
3983 TARGET_LDT_ENTRIES
* TARGET_LDT_ENTRY_SIZE
);
3984 env
->ldt
.limit
= 0xffff;
3985 ldt_table
= g2h(env
->ldt
.base
);
3988 /* NOTE: same code as Linux kernel */
3989 /* Allow LDTs to be cleared by the user. */
3990 if (ldt_info
.base_addr
== 0 && ldt_info
.limit
== 0) {
3993 read_exec_only
== 1 &&
3995 limit_in_pages
== 0 &&
3996 seg_not_present
== 1 &&
4004 entry_1
= ((ldt_info
.base_addr
& 0x0000ffff) << 16) |
4005 (ldt_info
.limit
& 0x0ffff);
4006 entry_2
= (ldt_info
.base_addr
& 0xff000000) |
4007 ((ldt_info
.base_addr
& 0x00ff0000) >> 16) |
4008 (ldt_info
.limit
& 0xf0000) |
4009 ((read_exec_only
^ 1) << 9) |
4011 ((seg_not_present
^ 1) << 15) |
4013 (limit_in_pages
<< 23) |
4017 entry_2
|= (useable
<< 20);
4019 /* Install the new entry ... */
4021 lp
= (uint32_t *)(ldt_table
+ (ldt_info
.entry_number
<< 3));
4022 lp
[0] = tswap32(entry_1
);
4023 lp
[1] = tswap32(entry_2
);
4027 /* specific and weird i386 syscalls */
4028 static abi_long
do_modify_ldt(CPUX86State
*env
, int func
, abi_ulong ptr
,
4029 unsigned long bytecount
)
4035 ret
= read_ldt(ptr
, bytecount
);
4038 ret
= write_ldt(env
, ptr
, bytecount
, 1);
4041 ret
= write_ldt(env
, ptr
, bytecount
, 0);
4044 ret
= -TARGET_ENOSYS
;
4050 #if defined(TARGET_I386) && defined(TARGET_ABI32)
4051 abi_long
do_set_thread_area(CPUX86State
*env
, abi_ulong ptr
)
4053 uint64_t *gdt_table
= g2h(env
->gdt
.base
);
4054 struct target_modify_ldt_ldt_s ldt_info
;
4055 struct target_modify_ldt_ldt_s
*target_ldt_info
;
4056 int seg_32bit
, contents
, read_exec_only
, limit_in_pages
;
4057 int seg_not_present
, useable
, lm
;
4058 uint32_t *lp
, entry_1
, entry_2
;
4061 lock_user_struct(VERIFY_WRITE
, target_ldt_info
, ptr
, 1);
4062 if (!target_ldt_info
)
4063 return -TARGET_EFAULT
;
4064 ldt_info
.entry_number
= tswap32(target_ldt_info
->entry_number
);
4065 ldt_info
.base_addr
= tswapal(target_ldt_info
->base_addr
);
4066 ldt_info
.limit
= tswap32(target_ldt_info
->limit
);
4067 ldt_info
.flags
= tswap32(target_ldt_info
->flags
);
4068 if (ldt_info
.entry_number
== -1) {
4069 for (i
=TARGET_GDT_ENTRY_TLS_MIN
; i
<=TARGET_GDT_ENTRY_TLS_MAX
; i
++) {
4070 if (gdt_table
[i
] == 0) {
4071 ldt_info
.entry_number
= i
;
4072 target_ldt_info
->entry_number
= tswap32(i
);
4077 unlock_user_struct(target_ldt_info
, ptr
, 1);
4079 if (ldt_info
.entry_number
< TARGET_GDT_ENTRY_TLS_MIN
||
4080 ldt_info
.entry_number
> TARGET_GDT_ENTRY_TLS_MAX
)
4081 return -TARGET_EINVAL
;
4082 seg_32bit
= ldt_info
.flags
& 1;
4083 contents
= (ldt_info
.flags
>> 1) & 3;
4084 read_exec_only
= (ldt_info
.flags
>> 3) & 1;
4085 limit_in_pages
= (ldt_info
.flags
>> 4) & 1;
4086 seg_not_present
= (ldt_info
.flags
>> 5) & 1;
4087 useable
= (ldt_info
.flags
>> 6) & 1;
4091 lm
= (ldt_info
.flags
>> 7) & 1;
4094 if (contents
== 3) {
4095 if (seg_not_present
== 0)
4096 return -TARGET_EINVAL
;
4099 /* NOTE: same code as Linux kernel */
4100 /* Allow LDTs to be cleared by the user. */
4101 if (ldt_info
.base_addr
== 0 && ldt_info
.limit
== 0) {
4102 if ((contents
== 0 &&
4103 read_exec_only
== 1 &&
4105 limit_in_pages
== 0 &&
4106 seg_not_present
== 1 &&
4114 entry_1
= ((ldt_info
.base_addr
& 0x0000ffff) << 16) |
4115 (ldt_info
.limit
& 0x0ffff);
4116 entry_2
= (ldt_info
.base_addr
& 0xff000000) |
4117 ((ldt_info
.base_addr
& 0x00ff0000) >> 16) |
4118 (ldt_info
.limit
& 0xf0000) |
4119 ((read_exec_only
^ 1) << 9) |
4121 ((seg_not_present
^ 1) << 15) |
4123 (limit_in_pages
<< 23) |
4128 /* Install the new entry ... */
4130 lp
= (uint32_t *)(gdt_table
+ ldt_info
.entry_number
);
4131 lp
[0] = tswap32(entry_1
);
4132 lp
[1] = tswap32(entry_2
);
4136 static abi_long
do_get_thread_area(CPUX86State
*env
, abi_ulong ptr
)
4138 struct target_modify_ldt_ldt_s
*target_ldt_info
;
4139 uint64_t *gdt_table
= g2h(env
->gdt
.base
);
4140 uint32_t base_addr
, limit
, flags
;
4141 int seg_32bit
, contents
, read_exec_only
, limit_in_pages
, idx
;
4142 int seg_not_present
, useable
, lm
;
4143 uint32_t *lp
, entry_1
, entry_2
;
4145 lock_user_struct(VERIFY_WRITE
, target_ldt_info
, ptr
, 1);
4146 if (!target_ldt_info
)
4147 return -TARGET_EFAULT
;
4148 idx
= tswap32(target_ldt_info
->entry_number
);
4149 if (idx
< TARGET_GDT_ENTRY_TLS_MIN
||
4150 idx
> TARGET_GDT_ENTRY_TLS_MAX
) {
4151 unlock_user_struct(target_ldt_info
, ptr
, 1);
4152 return -TARGET_EINVAL
;
4154 lp
= (uint32_t *)(gdt_table
+ idx
);
4155 entry_1
= tswap32(lp
[0]);
4156 entry_2
= tswap32(lp
[1]);
4158 read_exec_only
= ((entry_2
>> 9) & 1) ^ 1;
4159 contents
= (entry_2
>> 10) & 3;
4160 seg_not_present
= ((entry_2
>> 15) & 1) ^ 1;
4161 seg_32bit
= (entry_2
>> 22) & 1;
4162 limit_in_pages
= (entry_2
>> 23) & 1;
4163 useable
= (entry_2
>> 20) & 1;
4167 lm
= (entry_2
>> 21) & 1;
4169 flags
= (seg_32bit
<< 0) | (contents
<< 1) |
4170 (read_exec_only
<< 3) | (limit_in_pages
<< 4) |
4171 (seg_not_present
<< 5) | (useable
<< 6) | (lm
<< 7);
4172 limit
= (entry_1
& 0xffff) | (entry_2
& 0xf0000);
4173 base_addr
= (entry_1
>> 16) |
4174 (entry_2
& 0xff000000) |
4175 ((entry_2
& 0xff) << 16);
4176 target_ldt_info
->base_addr
= tswapal(base_addr
);
4177 target_ldt_info
->limit
= tswap32(limit
);
4178 target_ldt_info
->flags
= tswap32(flags
);
4179 unlock_user_struct(target_ldt_info
, ptr
, 1);
4182 #endif /* TARGET_I386 && TARGET_ABI32 */
4184 #ifndef TARGET_ABI32
4185 abi_long
do_arch_prctl(CPUX86State
*env
, int code
, abi_ulong addr
)
4192 case TARGET_ARCH_SET_GS
:
4193 case TARGET_ARCH_SET_FS
:
4194 if (code
== TARGET_ARCH_SET_GS
)
4198 cpu_x86_load_seg(env
, idx
, 0);
4199 env
->segs
[idx
].base
= addr
;
4201 case TARGET_ARCH_GET_GS
:
4202 case TARGET_ARCH_GET_FS
:
4203 if (code
== TARGET_ARCH_GET_GS
)
4207 val
= env
->segs
[idx
].base
;
4208 if (put_user(val
, addr
, abi_ulong
))
4209 ret
= -TARGET_EFAULT
;
4212 ret
= -TARGET_EINVAL
;
4219 #endif /* defined(TARGET_I386) */
4221 #define NEW_STACK_SIZE 0x40000
4224 static pthread_mutex_t clone_lock
= PTHREAD_MUTEX_INITIALIZER
;
4227 pthread_mutex_t mutex
;
4228 pthread_cond_t cond
;
4231 abi_ulong child_tidptr
;
4232 abi_ulong parent_tidptr
;
4236 static void *clone_func(void *arg
)
4238 new_thread_info
*info
= arg
;
4244 cpu
= ENV_GET_CPU(env
);
4246 ts
= (TaskState
*)env
->opaque
;
4247 info
->tid
= gettid();
4248 cpu
->host_tid
= info
->tid
;
4250 if (info
->child_tidptr
)
4251 put_user_u32(info
->tid
, info
->child_tidptr
);
4252 if (info
->parent_tidptr
)
4253 put_user_u32(info
->tid
, info
->parent_tidptr
);
4254 /* Enable signals. */
4255 sigprocmask(SIG_SETMASK
, &info
->sigmask
, NULL
);
4256 /* Signal to the parent that we're ready. */
4257 pthread_mutex_lock(&info
->mutex
);
4258 pthread_cond_broadcast(&info
->cond
);
4259 pthread_mutex_unlock(&info
->mutex
);
4260 /* Wait until the parent has finshed initializing the tls state. */
4261 pthread_mutex_lock(&clone_lock
);
4262 pthread_mutex_unlock(&clone_lock
);
4268 /* do_fork() Must return host values and target errnos (unlike most
4269 do_*() functions). */
4270 static int do_fork(CPUArchState
*env
, unsigned int flags
, abi_ulong newsp
,
4271 abi_ulong parent_tidptr
, target_ulong newtls
,
4272 abi_ulong child_tidptr
)
4276 CPUArchState
*new_env
;
4277 unsigned int nptl_flags
;
4280 /* Emulate vfork() with fork() */
4281 if (flags
& CLONE_VFORK
)
4282 flags
&= ~(CLONE_VFORK
| CLONE_VM
);
4284 if (flags
& CLONE_VM
) {
4285 TaskState
*parent_ts
= (TaskState
*)env
->opaque
;
4286 new_thread_info info
;
4287 pthread_attr_t attr
;
4289 ts
= g_malloc0(sizeof(TaskState
));
4290 init_task_state(ts
);
4291 /* we create a new CPU instance. */
4292 new_env
= cpu_copy(env
);
4293 #if defined(TARGET_I386) || defined(TARGET_SPARC) || defined(TARGET_PPC)
4294 cpu_reset(ENV_GET_CPU(new_env
));
4296 /* Init regs that differ from the parent. */
4297 cpu_clone_regs(new_env
, newsp
);
4298 new_env
->opaque
= ts
;
4299 ts
->bprm
= parent_ts
->bprm
;
4300 ts
->info
= parent_ts
->info
;
4302 flags
&= ~CLONE_NPTL_FLAGS2
;
4304 if (nptl_flags
& CLONE_CHILD_CLEARTID
) {
4305 ts
->child_tidptr
= child_tidptr
;
4308 if (nptl_flags
& CLONE_SETTLS
)
4309 cpu_set_tls (new_env
, newtls
);
4311 /* Grab a mutex so that thread setup appears atomic. */
4312 pthread_mutex_lock(&clone_lock
);
4314 memset(&info
, 0, sizeof(info
));
4315 pthread_mutex_init(&info
.mutex
, NULL
);
4316 pthread_mutex_lock(&info
.mutex
);
4317 pthread_cond_init(&info
.cond
, NULL
);
4319 if (nptl_flags
& CLONE_CHILD_SETTID
)
4320 info
.child_tidptr
= child_tidptr
;
4321 if (nptl_flags
& CLONE_PARENT_SETTID
)
4322 info
.parent_tidptr
= parent_tidptr
;
4324 ret
= pthread_attr_init(&attr
);
4325 ret
= pthread_attr_setstacksize(&attr
, NEW_STACK_SIZE
);
4326 ret
= pthread_attr_setdetachstate(&attr
, PTHREAD_CREATE_DETACHED
);
4327 /* It is not safe to deliver signals until the child has finished
4328 initializing, so temporarily block all signals. */
4329 sigfillset(&sigmask
);
4330 sigprocmask(SIG_BLOCK
, &sigmask
, &info
.sigmask
);
4332 ret
= pthread_create(&info
.thread
, &attr
, clone_func
, &info
);
4333 /* TODO: Free new CPU state if thread creation failed. */
4335 sigprocmask(SIG_SETMASK
, &info
.sigmask
, NULL
);
4336 pthread_attr_destroy(&attr
);
4338 /* Wait for the child to initialize. */
4339 pthread_cond_wait(&info
.cond
, &info
.mutex
);
4341 if (flags
& CLONE_PARENT_SETTID
)
4342 put_user_u32(ret
, parent_tidptr
);
4346 pthread_mutex_unlock(&info
.mutex
);
4347 pthread_cond_destroy(&info
.cond
);
4348 pthread_mutex_destroy(&info
.mutex
);
4349 pthread_mutex_unlock(&clone_lock
);
4351 /* if no CLONE_VM, we consider it is a fork */
4352 if ((flags
& ~(CSIGNAL
| CLONE_NPTL_FLAGS2
)) != 0)
4357 /* Child Process. */
4358 cpu_clone_regs(env
, newsp
);
4360 /* There is a race condition here. The parent process could
4361 theoretically read the TID in the child process before the child
4362 tid is set. This would require using either ptrace
4363 (not implemented) or having *_tidptr to point at a shared memory
4364 mapping. We can't repeat the spinlock hack used above because
4365 the child process gets its own copy of the lock. */
4366 if (flags
& CLONE_CHILD_SETTID
)
4367 put_user_u32(gettid(), child_tidptr
);
4368 if (flags
& CLONE_PARENT_SETTID
)
4369 put_user_u32(gettid(), parent_tidptr
);
4370 ts
= (TaskState
*)env
->opaque
;
4371 if (flags
& CLONE_SETTLS
)
4372 cpu_set_tls (env
, newtls
);
4373 if (flags
& CLONE_CHILD_CLEARTID
)
4374 ts
->child_tidptr
= child_tidptr
;
4382 /* warning : doesn't handle linux specific flags... */
4383 static int target_to_host_fcntl_cmd(int cmd
)
4386 case TARGET_F_DUPFD
:
4387 case TARGET_F_GETFD
:
4388 case TARGET_F_SETFD
:
4389 case TARGET_F_GETFL
:
4390 case TARGET_F_SETFL
:
4392 case TARGET_F_GETLK
:
4394 case TARGET_F_SETLK
:
4396 case TARGET_F_SETLKW
:
4398 case TARGET_F_GETOWN
:
4400 case TARGET_F_SETOWN
:
4402 case TARGET_F_GETSIG
:
4404 case TARGET_F_SETSIG
:
4406 #if TARGET_ABI_BITS == 32
4407 case TARGET_F_GETLK64
:
4409 case TARGET_F_SETLK64
:
4411 case TARGET_F_SETLKW64
:
4414 case TARGET_F_SETLEASE
:
4416 case TARGET_F_GETLEASE
:
4418 #ifdef F_DUPFD_CLOEXEC
4419 case TARGET_F_DUPFD_CLOEXEC
:
4420 return F_DUPFD_CLOEXEC
;
4422 case TARGET_F_NOTIFY
:
4425 return -TARGET_EINVAL
;
4427 return -TARGET_EINVAL
;
4430 #define TRANSTBL_CONVERT(a) { -1, TARGET_##a, -1, a }
4431 static const bitmask_transtbl flock_tbl
[] = {
4432 TRANSTBL_CONVERT(F_RDLCK
),
4433 TRANSTBL_CONVERT(F_WRLCK
),
4434 TRANSTBL_CONVERT(F_UNLCK
),
4435 TRANSTBL_CONVERT(F_EXLCK
),
4436 TRANSTBL_CONVERT(F_SHLCK
),
4440 static abi_long
do_fcntl(int fd
, int cmd
, abi_ulong arg
)
4443 struct target_flock
*target_fl
;
4444 struct flock64 fl64
;
4445 struct target_flock64
*target_fl64
;
4447 int host_cmd
= target_to_host_fcntl_cmd(cmd
);
4449 if (host_cmd
== -TARGET_EINVAL
)
4453 case TARGET_F_GETLK
:
4454 if (!lock_user_struct(VERIFY_READ
, target_fl
, arg
, 1))
4455 return -TARGET_EFAULT
;
4457 target_to_host_bitmask(tswap16(target_fl
->l_type
), flock_tbl
);
4458 fl
.l_whence
= tswap16(target_fl
->l_whence
);
4459 fl
.l_start
= tswapal(target_fl
->l_start
);
4460 fl
.l_len
= tswapal(target_fl
->l_len
);
4461 fl
.l_pid
= tswap32(target_fl
->l_pid
);
4462 unlock_user_struct(target_fl
, arg
, 0);
4463 ret
= get_errno(fcntl(fd
, host_cmd
, &fl
));
4465 if (!lock_user_struct(VERIFY_WRITE
, target_fl
, arg
, 0))
4466 return -TARGET_EFAULT
;
4468 host_to_target_bitmask(tswap16(fl
.l_type
), flock_tbl
);
4469 target_fl
->l_whence
= tswap16(fl
.l_whence
);
4470 target_fl
->l_start
= tswapal(fl
.l_start
);
4471 target_fl
->l_len
= tswapal(fl
.l_len
);
4472 target_fl
->l_pid
= tswap32(fl
.l_pid
);
4473 unlock_user_struct(target_fl
, arg
, 1);
4477 case TARGET_F_SETLK
:
4478 case TARGET_F_SETLKW
:
4479 if (!lock_user_struct(VERIFY_READ
, target_fl
, arg
, 1))
4480 return -TARGET_EFAULT
;
4482 target_to_host_bitmask(tswap16(target_fl
->l_type
), flock_tbl
);
4483 fl
.l_whence
= tswap16(target_fl
->l_whence
);
4484 fl
.l_start
= tswapal(target_fl
->l_start
);
4485 fl
.l_len
= tswapal(target_fl
->l_len
);
4486 fl
.l_pid
= tswap32(target_fl
->l_pid
);
4487 unlock_user_struct(target_fl
, arg
, 0);
4488 ret
= get_errno(fcntl(fd
, host_cmd
, &fl
));
4491 case TARGET_F_GETLK64
:
4492 if (!lock_user_struct(VERIFY_READ
, target_fl64
, arg
, 1))
4493 return -TARGET_EFAULT
;
4495 target_to_host_bitmask(tswap16(target_fl64
->l_type
), flock_tbl
) >> 1;
4496 fl64
.l_whence
= tswap16(target_fl64
->l_whence
);
4497 fl64
.l_start
= tswap64(target_fl64
->l_start
);
4498 fl64
.l_len
= tswap64(target_fl64
->l_len
);
4499 fl64
.l_pid
= tswap32(target_fl64
->l_pid
);
4500 unlock_user_struct(target_fl64
, arg
, 0);
4501 ret
= get_errno(fcntl(fd
, host_cmd
, &fl64
));
4503 if (!lock_user_struct(VERIFY_WRITE
, target_fl64
, arg
, 0))
4504 return -TARGET_EFAULT
;
4505 target_fl64
->l_type
=
4506 host_to_target_bitmask(tswap16(fl64
.l_type
), flock_tbl
) >> 1;
4507 target_fl64
->l_whence
= tswap16(fl64
.l_whence
);
4508 target_fl64
->l_start
= tswap64(fl64
.l_start
);
4509 target_fl64
->l_len
= tswap64(fl64
.l_len
);
4510 target_fl64
->l_pid
= tswap32(fl64
.l_pid
);
4511 unlock_user_struct(target_fl64
, arg
, 1);
4514 case TARGET_F_SETLK64
:
4515 case TARGET_F_SETLKW64
:
4516 if (!lock_user_struct(VERIFY_READ
, target_fl64
, arg
, 1))
4517 return -TARGET_EFAULT
;
4519 target_to_host_bitmask(tswap16(target_fl64
->l_type
), flock_tbl
) >> 1;
4520 fl64
.l_whence
= tswap16(target_fl64
->l_whence
);
4521 fl64
.l_start
= tswap64(target_fl64
->l_start
);
4522 fl64
.l_len
= tswap64(target_fl64
->l_len
);
4523 fl64
.l_pid
= tswap32(target_fl64
->l_pid
);
4524 unlock_user_struct(target_fl64
, arg
, 0);
4525 ret
= get_errno(fcntl(fd
, host_cmd
, &fl64
));
4528 case TARGET_F_GETFL
:
4529 ret
= get_errno(fcntl(fd
, host_cmd
, arg
));
4531 ret
= host_to_target_bitmask(ret
, fcntl_flags_tbl
);
4535 case TARGET_F_SETFL
:
4536 ret
= get_errno(fcntl(fd
, host_cmd
, target_to_host_bitmask(arg
, fcntl_flags_tbl
)));
4539 case TARGET_F_SETOWN
:
4540 case TARGET_F_GETOWN
:
4541 case TARGET_F_SETSIG
:
4542 case TARGET_F_GETSIG
:
4543 case TARGET_F_SETLEASE
:
4544 case TARGET_F_GETLEASE
:
4545 ret
= get_errno(fcntl(fd
, host_cmd
, arg
));
4549 ret
= get_errno(fcntl(fd
, cmd
, arg
));
4557 static inline int high2lowuid(int uid
)
4565 static inline int high2lowgid(int gid
)
4573 static inline int low2highuid(int uid
)
4575 if ((int16_t)uid
== -1)
4581 static inline int low2highgid(int gid
)
4583 if ((int16_t)gid
== -1)
4588 static inline int tswapid(int id
)
4592 #else /* !USE_UID16 */
4593 static inline int high2lowuid(int uid
)
4597 static inline int high2lowgid(int gid
)
4601 static inline int low2highuid(int uid
)
4605 static inline int low2highgid(int gid
)
4609 static inline int tswapid(int id
)
4613 #endif /* USE_UID16 */
4615 void syscall_init(void)
4618 const argtype
*arg_type
;
4622 #define STRUCT(name, ...) thunk_register_struct(STRUCT_ ## name, #name, struct_ ## name ## _def);
4623 #define STRUCT_SPECIAL(name) thunk_register_struct_direct(STRUCT_ ## name, #name, &struct_ ## name ## _def);
4624 #include "syscall_types.h"
4626 #undef STRUCT_SPECIAL
4628 /* Build target_to_host_errno_table[] table from
4629 * host_to_target_errno_table[]. */
4630 for (i
= 0; i
< ERRNO_TABLE_SIZE
; i
++) {
4631 target_to_host_errno_table
[host_to_target_errno_table
[i
]] = i
;
4634 /* we patch the ioctl size if necessary. We rely on the fact that
4635 no ioctl has all the bits at '1' in the size field */
4637 while (ie
->target_cmd
!= 0) {
4638 if (((ie
->target_cmd
>> TARGET_IOC_SIZESHIFT
) & TARGET_IOC_SIZEMASK
) ==
4639 TARGET_IOC_SIZEMASK
) {
4640 arg_type
= ie
->arg_type
;
4641 if (arg_type
[0] != TYPE_PTR
) {
4642 fprintf(stderr
, "cannot patch size for ioctl 0x%x\n",
4647 size
= thunk_type_size(arg_type
, 0);
4648 ie
->target_cmd
= (ie
->target_cmd
&
4649 ~(TARGET_IOC_SIZEMASK
<< TARGET_IOC_SIZESHIFT
)) |
4650 (size
<< TARGET_IOC_SIZESHIFT
);
4653 /* automatic consistency check if same arch */
4654 #if (defined(__i386__) && defined(TARGET_I386) && defined(TARGET_ABI32)) || \
4655 (defined(__x86_64__) && defined(TARGET_X86_64))
4656 if (unlikely(ie
->target_cmd
!= ie
->host_cmd
)) {
4657 fprintf(stderr
, "ERROR: ioctl(%s): target=0x%x host=0x%x\n",
4658 ie
->name
, ie
->target_cmd
, ie
->host_cmd
);
4665 #if TARGET_ABI_BITS == 32
4666 static inline uint64_t target_offset64(uint32_t word0
, uint32_t word1
)
4668 #ifdef TARGET_WORDS_BIGENDIAN
4669 return ((uint64_t)word0
<< 32) | word1
;
4671 return ((uint64_t)word1
<< 32) | word0
;
4674 #else /* TARGET_ABI_BITS == 32 */
4675 static inline uint64_t target_offset64(uint64_t word0
, uint64_t word1
)
4679 #endif /* TARGET_ABI_BITS != 32 */
4681 #ifdef TARGET_NR_truncate64
4682 static inline abi_long
target_truncate64(void *cpu_env
, const char *arg1
,
4687 if (regpairs_aligned(cpu_env
)) {
4691 return get_errno(truncate64(arg1
, target_offset64(arg2
, arg3
)));
4695 #ifdef TARGET_NR_ftruncate64
4696 static inline abi_long
target_ftruncate64(void *cpu_env
, abi_long arg1
,
4701 if (regpairs_aligned(cpu_env
)) {
4705 return get_errno(ftruncate64(arg1
, target_offset64(arg2
, arg3
)));
4709 static inline abi_long
target_to_host_timespec(struct timespec
*host_ts
,
4710 abi_ulong target_addr
)
4712 struct target_timespec
*target_ts
;
4714 if (!lock_user_struct(VERIFY_READ
, target_ts
, target_addr
, 1))
4715 return -TARGET_EFAULT
;
4716 host_ts
->tv_sec
= tswapal(target_ts
->tv_sec
);
4717 host_ts
->tv_nsec
= tswapal(target_ts
->tv_nsec
);
4718 unlock_user_struct(target_ts
, target_addr
, 0);
4722 static inline abi_long
host_to_target_timespec(abi_ulong target_addr
,
4723 struct timespec
*host_ts
)
4725 struct target_timespec
*target_ts
;
4727 if (!lock_user_struct(VERIFY_WRITE
, target_ts
, target_addr
, 0))
4728 return -TARGET_EFAULT
;
4729 target_ts
->tv_sec
= tswapal(host_ts
->tv_sec
);
4730 target_ts
->tv_nsec
= tswapal(host_ts
->tv_nsec
);
4731 unlock_user_struct(target_ts
, target_addr
, 1);
4735 #if defined(TARGET_NR_stat64) || defined(TARGET_NR_newfstatat)
4736 static inline abi_long
host_to_target_stat64(void *cpu_env
,
4737 abi_ulong target_addr
,
4738 struct stat
*host_st
)
4741 if (((CPUARMState
*)cpu_env
)->eabi
) {
4742 struct target_eabi_stat64
*target_st
;
4744 if (!lock_user_struct(VERIFY_WRITE
, target_st
, target_addr
, 0))
4745 return -TARGET_EFAULT
;
4746 memset(target_st
, 0, sizeof(struct target_eabi_stat64
));
4747 __put_user(host_st
->st_dev
, &target_st
->st_dev
);
4748 __put_user(host_st
->st_ino
, &target_st
->st_ino
);
4749 #ifdef TARGET_STAT64_HAS_BROKEN_ST_INO
4750 __put_user(host_st
->st_ino
, &target_st
->__st_ino
);
4752 __put_user(host_st
->st_mode
, &target_st
->st_mode
);
4753 __put_user(host_st
->st_nlink
, &target_st
->st_nlink
);
4754 __put_user(host_st
->st_uid
, &target_st
->st_uid
);
4755 __put_user(host_st
->st_gid
, &target_st
->st_gid
);
4756 __put_user(host_st
->st_rdev
, &target_st
->st_rdev
);
4757 __put_user(host_st
->st_size
, &target_st
->st_size
);
4758 __put_user(host_st
->st_blksize
, &target_st
->st_blksize
);
4759 __put_user(host_st
->st_blocks
, &target_st
->st_blocks
);
4760 __put_user(host_st
->st_atime
, &target_st
->target_st_atime
);
4761 __put_user(host_st
->st_mtime
, &target_st
->target_st_mtime
);
4762 __put_user(host_st
->st_ctime
, &target_st
->target_st_ctime
);
4763 unlock_user_struct(target_st
, target_addr
, 1);
4767 #if TARGET_ABI_BITS == 64 && !defined(TARGET_ALPHA)
4768 struct target_stat
*target_st
;
4770 struct target_stat64
*target_st
;
4773 if (!lock_user_struct(VERIFY_WRITE
, target_st
, target_addr
, 0))
4774 return -TARGET_EFAULT
;
4775 memset(target_st
, 0, sizeof(*target_st
));
4776 __put_user(host_st
->st_dev
, &target_st
->st_dev
);
4777 __put_user(host_st
->st_ino
, &target_st
->st_ino
);
4778 #ifdef TARGET_STAT64_HAS_BROKEN_ST_INO
4779 __put_user(host_st
->st_ino
, &target_st
->__st_ino
);
4781 __put_user(host_st
->st_mode
, &target_st
->st_mode
);
4782 __put_user(host_st
->st_nlink
, &target_st
->st_nlink
);
4783 __put_user(host_st
->st_uid
, &target_st
->st_uid
);
4784 __put_user(host_st
->st_gid
, &target_st
->st_gid
);
4785 __put_user(host_st
->st_rdev
, &target_st
->st_rdev
);
4786 /* XXX: better use of kernel struct */
4787 __put_user(host_st
->st_size
, &target_st
->st_size
);
4788 __put_user(host_st
->st_blksize
, &target_st
->st_blksize
);
4789 __put_user(host_st
->st_blocks
, &target_st
->st_blocks
);
4790 __put_user(host_st
->st_atime
, &target_st
->target_st_atime
);
4791 __put_user(host_st
->st_mtime
, &target_st
->target_st_mtime
);
4792 __put_user(host_st
->st_ctime
, &target_st
->target_st_ctime
);
4793 unlock_user_struct(target_st
, target_addr
, 1);
4800 /* ??? Using host futex calls even when target atomic operations
4801 are not really atomic probably breaks things. However implementing
4802 futexes locally would make futexes shared between multiple processes
4803 tricky. However they're probably useless because guest atomic
4804 operations won't work either. */
4805 static int do_futex(target_ulong uaddr
, int op
, int val
, target_ulong timeout
,
4806 target_ulong uaddr2
, int val3
)
4808 struct timespec ts
, *pts
;
4811 /* ??? We assume FUTEX_* constants are the same on both host
4813 #ifdef FUTEX_CMD_MASK
4814 base_op
= op
& FUTEX_CMD_MASK
;
4820 case FUTEX_WAIT_BITSET
:
4823 target_to_host_timespec(pts
, timeout
);
4827 return get_errno(sys_futex(g2h(uaddr
), op
, tswap32(val
),
4830 return get_errno(sys_futex(g2h(uaddr
), op
, val
, NULL
, NULL
, 0));
4832 return get_errno(sys_futex(g2h(uaddr
), op
, val
, NULL
, NULL
, 0));
4834 case FUTEX_CMP_REQUEUE
:
4836 /* For FUTEX_REQUEUE, FUTEX_CMP_REQUEUE, and FUTEX_WAKE_OP, the
4837 TIMEOUT parameter is interpreted as a uint32_t by the kernel.
4838 But the prototype takes a `struct timespec *'; insert casts
4839 to satisfy the compiler. We do not need to tswap TIMEOUT
4840 since it's not compared to guest memory. */
4841 pts
= (struct timespec
*)(uintptr_t) timeout
;
4842 return get_errno(sys_futex(g2h(uaddr
), op
, val
, pts
,
4844 (base_op
== FUTEX_CMP_REQUEUE
4848 return -TARGET_ENOSYS
;
4852 /* Map host to target signal numbers for the wait family of syscalls.
4853 Assume all other status bits are the same. */
4854 int host_to_target_waitstatus(int status
)
4856 if (WIFSIGNALED(status
)) {
4857 return host_to_target_signal(WTERMSIG(status
)) | (status
& ~0x7f);
4859 if (WIFSTOPPED(status
)) {
4860 return (host_to_target_signal(WSTOPSIG(status
)) << 8)
4866 int get_osversion(void)
4868 static int osversion
;
4869 struct new_utsname buf
;
4874 if (qemu_uname_release
&& *qemu_uname_release
) {
4875 s
= qemu_uname_release
;
4877 if (sys_uname(&buf
))
4882 for (i
= 0; i
< 3; i
++) {
4884 while (*s
>= '0' && *s
<= '9') {
4889 tmp
= (tmp
<< 8) + n
;
4898 static int open_self_maps(void *cpu_env
, int fd
)
4900 #if defined(TARGET_ARM) || defined(TARGET_M68K) || defined(TARGET_UNICORE32)
4901 TaskState
*ts
= ((CPUArchState
*)cpu_env
)->opaque
;
4908 fp
= fopen("/proc/self/maps", "r");
4913 while ((read
= getline(&line
, &len
, fp
)) != -1) {
4914 int fields
, dev_maj
, dev_min
, inode
;
4915 uint64_t min
, max
, offset
;
4916 char flag_r
, flag_w
, flag_x
, flag_p
;
4917 char path
[512] = "";
4918 fields
= sscanf(line
, "%"PRIx64
"-%"PRIx64
" %c%c%c%c %"PRIx64
" %x:%x %d"
4919 " %512s", &min
, &max
, &flag_r
, &flag_w
, &flag_x
,
4920 &flag_p
, &offset
, &dev_maj
, &dev_min
, &inode
, path
);
4922 if ((fields
< 10) || (fields
> 11)) {
4925 if (!strncmp(path
, "[stack]", 7)) {
4928 if (h2g_valid(min
) && h2g_valid(max
)) {
4929 dprintf(fd
, TARGET_ABI_FMT_lx
"-" TARGET_ABI_FMT_lx
4930 " %c%c%c%c %08" PRIx64
" %02x:%02x %d %s%s\n",
4931 h2g(min
), h2g(max
), flag_r
, flag_w
,
4932 flag_x
, flag_p
, offset
, dev_maj
, dev_min
, inode
,
4933 path
[0] ? " " : "", path
);
4940 #if defined(TARGET_ARM) || defined(TARGET_M68K) || defined(TARGET_UNICORE32)
4941 dprintf(fd
, "%08llx-%08llx rw-p %08llx 00:00 0 [stack]\n",
4942 (unsigned long long)ts
->info
->stack_limit
,
4943 (unsigned long long)(ts
->info
->start_stack
+
4944 (TARGET_PAGE_SIZE
- 1)) & TARGET_PAGE_MASK
,
4945 (unsigned long long)0);
4951 static int open_self_stat(void *cpu_env
, int fd
)
4953 TaskState
*ts
= ((CPUArchState
*)cpu_env
)->opaque
;
4954 abi_ulong start_stack
= ts
->info
->start_stack
;
4957 for (i
= 0; i
< 44; i
++) {
4965 snprintf(buf
, sizeof(buf
), "%"PRId64
" ", val
);
4966 } else if (i
== 1) {
4968 snprintf(buf
, sizeof(buf
), "(%s) ", ts
->bprm
->argv
[0]);
4969 } else if (i
== 27) {
4972 snprintf(buf
, sizeof(buf
), "%"PRId64
" ", val
);
4974 /* for the rest, there is MasterCard */
4975 snprintf(buf
, sizeof(buf
), "0%c", i
== 43 ? '\n' : ' ');
4979 if (write(fd
, buf
, len
) != len
) {
4987 static int open_self_auxv(void *cpu_env
, int fd
)
4989 TaskState
*ts
= ((CPUArchState
*)cpu_env
)->opaque
;
4990 abi_ulong auxv
= ts
->info
->saved_auxv
;
4991 abi_ulong len
= ts
->info
->auxv_len
;
4995 * Auxiliary vector is stored in target process stack.
4996 * read in whole auxv vector and copy it to file
4998 ptr
= lock_user(VERIFY_READ
, auxv
, len
, 0);
5002 r
= write(fd
, ptr
, len
);
5009 lseek(fd
, 0, SEEK_SET
);
5010 unlock_user(ptr
, auxv
, len
);
5016 static int is_proc_myself(const char *filename
, const char *entry
)
5018 if (!strncmp(filename
, "/proc/", strlen("/proc/"))) {
5019 filename
+= strlen("/proc/");
5020 if (!strncmp(filename
, "self/", strlen("self/"))) {
5021 filename
+= strlen("self/");
5022 } else if (*filename
>= '1' && *filename
<= '9') {
5024 snprintf(myself
, sizeof(myself
), "%d/", getpid());
5025 if (!strncmp(filename
, myself
, strlen(myself
))) {
5026 filename
+= strlen(myself
);
5033 if (!strcmp(filename
, entry
)) {
5040 static int do_open(void *cpu_env
, const char *pathname
, int flags
, mode_t mode
)
5043 const char *filename
;
5044 int (*fill
)(void *cpu_env
, int fd
);
5046 const struct fake_open
*fake_open
;
5047 static const struct fake_open fakes
[] = {
5048 { "maps", open_self_maps
},
5049 { "stat", open_self_stat
},
5050 { "auxv", open_self_auxv
},
5054 for (fake_open
= fakes
; fake_open
->filename
; fake_open
++) {
5055 if (is_proc_myself(pathname
, fake_open
->filename
)) {
5060 if (fake_open
->filename
) {
5062 char filename
[PATH_MAX
];
5065 /* create temporary file to map stat to */
5066 tmpdir
= getenv("TMPDIR");
5069 snprintf(filename
, sizeof(filename
), "%s/qemu-open.XXXXXX", tmpdir
);
5070 fd
= mkstemp(filename
);
5076 if ((r
= fake_open
->fill(cpu_env
, fd
))) {
5080 lseek(fd
, 0, SEEK_SET
);
5085 return get_errno(open(path(pathname
), flags
, mode
));
5088 /* do_syscall() should always have a single exit point at the end so
5089 that actions, such as logging of syscall results, can be performed.
5090 All errnos that do_syscall() returns must be -TARGET_<errcode>. */
5091 abi_long
do_syscall(void *cpu_env
, int num
, abi_long arg1
,
5092 abi_long arg2
, abi_long arg3
, abi_long arg4
,
5093 abi_long arg5
, abi_long arg6
, abi_long arg7
,
5096 CPUState
*cpu
= ENV_GET_CPU(cpu_env
);
5103 gemu_log("syscall %d", num
);
5106 print_syscall(num
, arg1
, arg2
, arg3
, arg4
, arg5
, arg6
);
5109 case TARGET_NR_exit
:
5110 /* In old applications this may be used to implement _exit(2).
5111 However in threaded applictions it is used for thread termination,
5112 and _exit_group is used for application termination.
5113 Do thread termination if we have more then one thread. */
5114 /* FIXME: This probably breaks if a signal arrives. We should probably
5115 be disabling signals. */
5116 if (first_cpu
->next_cpu
) {
5124 while (p
&& p
!= cpu
) {
5125 lastp
= &p
->next_cpu
;
5128 /* If we didn't find the CPU for this thread then something is
5133 /* Remove the CPU from the list. */
5134 *lastp
= p
->next_cpu
;
5136 ts
= ((CPUArchState
*)cpu_env
)->opaque
;
5137 if (ts
->child_tidptr
) {
5138 put_user_u32(0, ts
->child_tidptr
);
5139 sys_futex(g2h(ts
->child_tidptr
), FUTEX_WAKE
, INT_MAX
,
5143 object_unref(OBJECT(ENV_GET_CPU(cpu_env
)));
5150 gdb_exit(cpu_env
, arg1
);
5152 ret
= 0; /* avoid warning */
5154 case TARGET_NR_read
:
5158 if (!(p
= lock_user(VERIFY_WRITE
, arg2
, arg3
, 0)))
5160 ret
= get_errno(read(arg1
, p
, arg3
));
5161 unlock_user(p
, arg2
, ret
);
5164 case TARGET_NR_write
:
5165 if (!(p
= lock_user(VERIFY_READ
, arg2
, arg3
, 1)))
5167 ret
= get_errno(write(arg1
, p
, arg3
));
5168 unlock_user(p
, arg2
, 0);
5170 case TARGET_NR_open
:
5171 if (!(p
= lock_user_string(arg1
)))
5173 ret
= get_errno(do_open(cpu_env
, p
,
5174 target_to_host_bitmask(arg2
, fcntl_flags_tbl
),
5176 unlock_user(p
, arg1
, 0);
5178 #if defined(TARGET_NR_openat) && defined(__NR_openat)
5179 case TARGET_NR_openat
:
5180 if (!(p
= lock_user_string(arg2
)))
5182 ret
= get_errno(sys_openat(arg1
,
5184 target_to_host_bitmask(arg3
, fcntl_flags_tbl
),
5186 unlock_user(p
, arg2
, 0);
5189 case TARGET_NR_close
:
5190 ret
= get_errno(close(arg1
));
5195 case TARGET_NR_fork
:
5196 ret
= get_errno(do_fork(cpu_env
, SIGCHLD
, 0, 0, 0, 0));
5198 #ifdef TARGET_NR_waitpid
5199 case TARGET_NR_waitpid
:
5202 ret
= get_errno(waitpid(arg1
, &status
, arg3
));
5203 if (!is_error(ret
) && arg2
&& ret
5204 && put_user_s32(host_to_target_waitstatus(status
), arg2
))
5209 #ifdef TARGET_NR_waitid
5210 case TARGET_NR_waitid
:
5214 ret
= get_errno(waitid(arg1
, arg2
, &info
, arg4
));
5215 if (!is_error(ret
) && arg3
&& info
.si_pid
!= 0) {
5216 if (!(p
= lock_user(VERIFY_WRITE
, arg3
, sizeof(target_siginfo_t
), 0)))
5218 host_to_target_siginfo(p
, &info
);
5219 unlock_user(p
, arg3
, sizeof(target_siginfo_t
));
5224 #ifdef TARGET_NR_creat /* not on alpha */
5225 case TARGET_NR_creat
:
5226 if (!(p
= lock_user_string(arg1
)))
5228 ret
= get_errno(creat(p
, arg2
));
5229 unlock_user(p
, arg1
, 0);
5232 case TARGET_NR_link
:
5235 p
= lock_user_string(arg1
);
5236 p2
= lock_user_string(arg2
);
5238 ret
= -TARGET_EFAULT
;
5240 ret
= get_errno(link(p
, p2
));
5241 unlock_user(p2
, arg2
, 0);
5242 unlock_user(p
, arg1
, 0);
5245 #if defined(TARGET_NR_linkat)
5246 case TARGET_NR_linkat
:
5251 p
= lock_user_string(arg2
);
5252 p2
= lock_user_string(arg4
);
5254 ret
= -TARGET_EFAULT
;
5256 ret
= get_errno(linkat(arg1
, p
, arg3
, p2
, arg5
));
5257 unlock_user(p
, arg2
, 0);
5258 unlock_user(p2
, arg4
, 0);
5262 case TARGET_NR_unlink
:
5263 if (!(p
= lock_user_string(arg1
)))
5265 ret
= get_errno(unlink(p
));
5266 unlock_user(p
, arg1
, 0);
5268 #if defined(TARGET_NR_unlinkat)
5269 case TARGET_NR_unlinkat
:
5270 if (!(p
= lock_user_string(arg2
)))
5272 ret
= get_errno(unlinkat(arg1
, p
, arg3
));
5273 unlock_user(p
, arg2
, 0);
5276 case TARGET_NR_execve
:
5278 char **argp
, **envp
;
5281 abi_ulong guest_argp
;
5282 abi_ulong guest_envp
;
5289 for (gp
= guest_argp
; gp
; gp
+= sizeof(abi_ulong
)) {
5290 if (get_user_ual(addr
, gp
))
5298 for (gp
= guest_envp
; gp
; gp
+= sizeof(abi_ulong
)) {
5299 if (get_user_ual(addr
, gp
))
5306 argp
= alloca((argc
+ 1) * sizeof(void *));
5307 envp
= alloca((envc
+ 1) * sizeof(void *));
5309 for (gp
= guest_argp
, q
= argp
; gp
;
5310 gp
+= sizeof(abi_ulong
), q
++) {
5311 if (get_user_ual(addr
, gp
))
5315 if (!(*q
= lock_user_string(addr
)))
5317 total_size
+= strlen(*q
) + 1;
5321 for (gp
= guest_envp
, q
= envp
; gp
;
5322 gp
+= sizeof(abi_ulong
), q
++) {
5323 if (get_user_ual(addr
, gp
))
5327 if (!(*q
= lock_user_string(addr
)))
5329 total_size
+= strlen(*q
) + 1;
5333 /* This case will not be caught by the host's execve() if its
5334 page size is bigger than the target's. */
5335 if (total_size
> MAX_ARG_PAGES
* TARGET_PAGE_SIZE
) {
5336 ret
= -TARGET_E2BIG
;
5339 if (!(p
= lock_user_string(arg1
)))
5341 ret
= get_errno(execve(p
, argp
, envp
));
5342 unlock_user(p
, arg1
, 0);
5347 ret
= -TARGET_EFAULT
;
5350 for (gp
= guest_argp
, q
= argp
; *q
;
5351 gp
+= sizeof(abi_ulong
), q
++) {
5352 if (get_user_ual(addr
, gp
)
5355 unlock_user(*q
, addr
, 0);
5357 for (gp
= guest_envp
, q
= envp
; *q
;
5358 gp
+= sizeof(abi_ulong
), q
++) {
5359 if (get_user_ual(addr
, gp
)
5362 unlock_user(*q
, addr
, 0);
5366 case TARGET_NR_chdir
:
5367 if (!(p
= lock_user_string(arg1
)))
5369 ret
= get_errno(chdir(p
));
5370 unlock_user(p
, arg1
, 0);
5372 #ifdef TARGET_NR_time
5373 case TARGET_NR_time
:
5376 ret
= get_errno(time(&host_time
));
5379 && put_user_sal(host_time
, arg1
))
5384 case TARGET_NR_mknod
:
5385 if (!(p
= lock_user_string(arg1
)))
5387 ret
= get_errno(mknod(p
, arg2
, arg3
));
5388 unlock_user(p
, arg1
, 0);
5390 #if defined(TARGET_NR_mknodat)
5391 case TARGET_NR_mknodat
:
5392 if (!(p
= lock_user_string(arg2
)))
5394 ret
= get_errno(mknodat(arg1
, p
, arg3
, arg4
));
5395 unlock_user(p
, arg2
, 0);
5398 case TARGET_NR_chmod
:
5399 if (!(p
= lock_user_string(arg1
)))
5401 ret
= get_errno(chmod(p
, arg2
));
5402 unlock_user(p
, arg1
, 0);
5404 #ifdef TARGET_NR_break
5405 case TARGET_NR_break
:
5408 #ifdef TARGET_NR_oldstat
5409 case TARGET_NR_oldstat
:
5412 case TARGET_NR_lseek
:
5413 ret
= get_errno(lseek(arg1
, arg2
, arg3
));
5415 #if defined(TARGET_NR_getxpid) && defined(TARGET_ALPHA)
5416 /* Alpha specific */
5417 case TARGET_NR_getxpid
:
5418 ((CPUAlphaState
*)cpu_env
)->ir
[IR_A4
] = getppid();
5419 ret
= get_errno(getpid());
5422 #ifdef TARGET_NR_getpid
5423 case TARGET_NR_getpid
:
5424 ret
= get_errno(getpid());
5427 case TARGET_NR_mount
:
5429 /* need to look at the data field */
5431 p
= lock_user_string(arg1
);
5432 p2
= lock_user_string(arg2
);
5433 p3
= lock_user_string(arg3
);
5434 if (!p
|| !p2
|| !p3
)
5435 ret
= -TARGET_EFAULT
;
5437 /* FIXME - arg5 should be locked, but it isn't clear how to
5438 * do that since it's not guaranteed to be a NULL-terminated
5442 ret
= get_errno(mount(p
, p2
, p3
, (unsigned long)arg4
, NULL
));
5444 ret
= get_errno(mount(p
, p2
, p3
, (unsigned long)arg4
, g2h(arg5
)));
5446 unlock_user(p
, arg1
, 0);
5447 unlock_user(p2
, arg2
, 0);
5448 unlock_user(p3
, arg3
, 0);
5451 #ifdef TARGET_NR_umount
5452 case TARGET_NR_umount
:
5453 if (!(p
= lock_user_string(arg1
)))
5455 ret
= get_errno(umount(p
));
5456 unlock_user(p
, arg1
, 0);
5459 #ifdef TARGET_NR_stime /* not on alpha */
5460 case TARGET_NR_stime
:
5463 if (get_user_sal(host_time
, arg1
))
5465 ret
= get_errno(stime(&host_time
));
5469 case TARGET_NR_ptrace
:
5471 #ifdef TARGET_NR_alarm /* not on alpha */
5472 case TARGET_NR_alarm
:
5476 #ifdef TARGET_NR_oldfstat
5477 case TARGET_NR_oldfstat
:
5480 #ifdef TARGET_NR_pause /* not on alpha */
5481 case TARGET_NR_pause
:
5482 ret
= get_errno(pause());
5485 #ifdef TARGET_NR_utime
5486 case TARGET_NR_utime
:
5488 struct utimbuf tbuf
, *host_tbuf
;
5489 struct target_utimbuf
*target_tbuf
;
5491 if (!lock_user_struct(VERIFY_READ
, target_tbuf
, arg2
, 1))
5493 tbuf
.actime
= tswapal(target_tbuf
->actime
);
5494 tbuf
.modtime
= tswapal(target_tbuf
->modtime
);
5495 unlock_user_struct(target_tbuf
, arg2
, 0);
5500 if (!(p
= lock_user_string(arg1
)))
5502 ret
= get_errno(utime(p
, host_tbuf
));
5503 unlock_user(p
, arg1
, 0);
5507 case TARGET_NR_utimes
:
5509 struct timeval
*tvp
, tv
[2];
5511 if (copy_from_user_timeval(&tv
[0], arg2
)
5512 || copy_from_user_timeval(&tv
[1],
5513 arg2
+ sizeof(struct target_timeval
)))
5519 if (!(p
= lock_user_string(arg1
)))
5521 ret
= get_errno(utimes(p
, tvp
));
5522 unlock_user(p
, arg1
, 0);
5525 #if defined(TARGET_NR_futimesat)
5526 case TARGET_NR_futimesat
:
5528 struct timeval
*tvp
, tv
[2];
5530 if (copy_from_user_timeval(&tv
[0], arg3
)
5531 || copy_from_user_timeval(&tv
[1],
5532 arg3
+ sizeof(struct target_timeval
)))
5538 if (!(p
= lock_user_string(arg2
)))
5540 ret
= get_errno(futimesat(arg1
, path(p
), tvp
));
5541 unlock_user(p
, arg2
, 0);
5545 #ifdef TARGET_NR_stty
5546 case TARGET_NR_stty
:
5549 #ifdef TARGET_NR_gtty
5550 case TARGET_NR_gtty
:
5553 case TARGET_NR_access
:
5554 if (!(p
= lock_user_string(arg1
)))
5556 ret
= get_errno(access(path(p
), arg2
));
5557 unlock_user(p
, arg1
, 0);
5559 #if defined(TARGET_NR_faccessat) && defined(__NR_faccessat)
5560 case TARGET_NR_faccessat
:
5561 if (!(p
= lock_user_string(arg2
)))
5563 ret
= get_errno(faccessat(arg1
, p
, arg3
, 0));
5564 unlock_user(p
, arg2
, 0);
5567 #ifdef TARGET_NR_nice /* not on alpha */
5568 case TARGET_NR_nice
:
5569 ret
= get_errno(nice(arg1
));
5572 #ifdef TARGET_NR_ftime
5573 case TARGET_NR_ftime
:
5576 case TARGET_NR_sync
:
5580 case TARGET_NR_kill
:
5581 ret
= get_errno(kill(arg1
, target_to_host_signal(arg2
)));
5583 case TARGET_NR_rename
:
5586 p
= lock_user_string(arg1
);
5587 p2
= lock_user_string(arg2
);
5589 ret
= -TARGET_EFAULT
;
5591 ret
= get_errno(rename(p
, p2
));
5592 unlock_user(p2
, arg2
, 0);
5593 unlock_user(p
, arg1
, 0);
5596 #if defined(TARGET_NR_renameat)
5597 case TARGET_NR_renameat
:
5600 p
= lock_user_string(arg2
);
5601 p2
= lock_user_string(arg4
);
5603 ret
= -TARGET_EFAULT
;
5605 ret
= get_errno(renameat(arg1
, p
, arg3
, p2
));
5606 unlock_user(p2
, arg4
, 0);
5607 unlock_user(p
, arg2
, 0);
5611 case TARGET_NR_mkdir
:
5612 if (!(p
= lock_user_string(arg1
)))
5614 ret
= get_errno(mkdir(p
, arg2
));
5615 unlock_user(p
, arg1
, 0);
5617 #if defined(TARGET_NR_mkdirat)
5618 case TARGET_NR_mkdirat
:
5619 if (!(p
= lock_user_string(arg2
)))
5621 ret
= get_errno(mkdirat(arg1
, p
, arg3
));
5622 unlock_user(p
, arg2
, 0);
5625 case TARGET_NR_rmdir
:
5626 if (!(p
= lock_user_string(arg1
)))
5628 ret
= get_errno(rmdir(p
));
5629 unlock_user(p
, arg1
, 0);
5632 ret
= get_errno(dup(arg1
));
5634 case TARGET_NR_pipe
:
5635 ret
= do_pipe(cpu_env
, arg1
, 0, 0);
5637 #ifdef TARGET_NR_pipe2
5638 case TARGET_NR_pipe2
:
5639 ret
= do_pipe(cpu_env
, arg1
,
5640 target_to_host_bitmask(arg2
, fcntl_flags_tbl
), 1);
5643 case TARGET_NR_times
:
5645 struct target_tms
*tmsp
;
5647 ret
= get_errno(times(&tms
));
5649 tmsp
= lock_user(VERIFY_WRITE
, arg1
, sizeof(struct target_tms
), 0);
5652 tmsp
->tms_utime
= tswapal(host_to_target_clock_t(tms
.tms_utime
));
5653 tmsp
->tms_stime
= tswapal(host_to_target_clock_t(tms
.tms_stime
));
5654 tmsp
->tms_cutime
= tswapal(host_to_target_clock_t(tms
.tms_cutime
));
5655 tmsp
->tms_cstime
= tswapal(host_to_target_clock_t(tms
.tms_cstime
));
5658 ret
= host_to_target_clock_t(ret
);
5661 #ifdef TARGET_NR_prof
5662 case TARGET_NR_prof
:
5665 #ifdef TARGET_NR_signal
5666 case TARGET_NR_signal
:
5669 case TARGET_NR_acct
:
5671 ret
= get_errno(acct(NULL
));
5673 if (!(p
= lock_user_string(arg1
)))
5675 ret
= get_errno(acct(path(p
)));
5676 unlock_user(p
, arg1
, 0);
5679 #ifdef TARGET_NR_umount2 /* not on alpha */
5680 case TARGET_NR_umount2
:
5681 if (!(p
= lock_user_string(arg1
)))
5683 ret
= get_errno(umount2(p
, arg2
));
5684 unlock_user(p
, arg1
, 0);
5687 #ifdef TARGET_NR_lock
5688 case TARGET_NR_lock
:
5691 case TARGET_NR_ioctl
:
5692 ret
= do_ioctl(arg1
, arg2
, arg3
);
5694 case TARGET_NR_fcntl
:
5695 ret
= do_fcntl(arg1
, arg2
, arg3
);
5697 #ifdef TARGET_NR_mpx
5701 case TARGET_NR_setpgid
:
5702 ret
= get_errno(setpgid(arg1
, arg2
));
5704 #ifdef TARGET_NR_ulimit
5705 case TARGET_NR_ulimit
:
5708 #ifdef TARGET_NR_oldolduname
5709 case TARGET_NR_oldolduname
:
5712 case TARGET_NR_umask
:
5713 ret
= get_errno(umask(arg1
));
5715 case TARGET_NR_chroot
:
5716 if (!(p
= lock_user_string(arg1
)))
5718 ret
= get_errno(chroot(p
));
5719 unlock_user(p
, arg1
, 0);
5721 case TARGET_NR_ustat
:
5723 case TARGET_NR_dup2
:
5724 ret
= get_errno(dup2(arg1
, arg2
));
5726 #if defined(CONFIG_DUP3) && defined(TARGET_NR_dup3)
5727 case TARGET_NR_dup3
:
5728 ret
= get_errno(dup3(arg1
, arg2
, arg3
));
5731 #ifdef TARGET_NR_getppid /* not on alpha */
5732 case TARGET_NR_getppid
:
5733 ret
= get_errno(getppid());
5736 case TARGET_NR_getpgrp
:
5737 ret
= get_errno(getpgrp());
5739 case TARGET_NR_setsid
:
5740 ret
= get_errno(setsid());
5742 #ifdef TARGET_NR_sigaction
5743 case TARGET_NR_sigaction
:
5745 #if defined(TARGET_ALPHA)
5746 struct target_sigaction act
, oact
, *pact
= 0;
5747 struct target_old_sigaction
*old_act
;
5749 if (!lock_user_struct(VERIFY_READ
, old_act
, arg2
, 1))
5751 act
._sa_handler
= old_act
->_sa_handler
;
5752 target_siginitset(&act
.sa_mask
, old_act
->sa_mask
);
5753 act
.sa_flags
= old_act
->sa_flags
;
5754 act
.sa_restorer
= 0;
5755 unlock_user_struct(old_act
, arg2
, 0);
5758 ret
= get_errno(do_sigaction(arg1
, pact
, &oact
));
5759 if (!is_error(ret
) && arg3
) {
5760 if (!lock_user_struct(VERIFY_WRITE
, old_act
, arg3
, 0))
5762 old_act
->_sa_handler
= oact
._sa_handler
;
5763 old_act
->sa_mask
= oact
.sa_mask
.sig
[0];
5764 old_act
->sa_flags
= oact
.sa_flags
;
5765 unlock_user_struct(old_act
, arg3
, 1);
5767 #elif defined(TARGET_MIPS)
5768 struct target_sigaction act
, oact
, *pact
, *old_act
;
5771 if (!lock_user_struct(VERIFY_READ
, old_act
, arg2
, 1))
5773 act
._sa_handler
= old_act
->_sa_handler
;
5774 target_siginitset(&act
.sa_mask
, old_act
->sa_mask
.sig
[0]);
5775 act
.sa_flags
= old_act
->sa_flags
;
5776 unlock_user_struct(old_act
, arg2
, 0);
5782 ret
= get_errno(do_sigaction(arg1
, pact
, &oact
));
5784 if (!is_error(ret
) && arg3
) {
5785 if (!lock_user_struct(VERIFY_WRITE
, old_act
, arg3
, 0))
5787 old_act
->_sa_handler
= oact
._sa_handler
;
5788 old_act
->sa_flags
= oact
.sa_flags
;
5789 old_act
->sa_mask
.sig
[0] = oact
.sa_mask
.sig
[0];
5790 old_act
->sa_mask
.sig
[1] = 0;
5791 old_act
->sa_mask
.sig
[2] = 0;
5792 old_act
->sa_mask
.sig
[3] = 0;
5793 unlock_user_struct(old_act
, arg3
, 1);
5796 struct target_old_sigaction
*old_act
;
5797 struct target_sigaction act
, oact
, *pact
;
5799 if (!lock_user_struct(VERIFY_READ
, old_act
, arg2
, 1))
5801 act
._sa_handler
= old_act
->_sa_handler
;
5802 target_siginitset(&act
.sa_mask
, old_act
->sa_mask
);
5803 act
.sa_flags
= old_act
->sa_flags
;
5804 act
.sa_restorer
= old_act
->sa_restorer
;
5805 unlock_user_struct(old_act
, arg2
, 0);
5810 ret
= get_errno(do_sigaction(arg1
, pact
, &oact
));
5811 if (!is_error(ret
) && arg3
) {
5812 if (!lock_user_struct(VERIFY_WRITE
, old_act
, arg3
, 0))
5814 old_act
->_sa_handler
= oact
._sa_handler
;
5815 old_act
->sa_mask
= oact
.sa_mask
.sig
[0];
5816 old_act
->sa_flags
= oact
.sa_flags
;
5817 old_act
->sa_restorer
= oact
.sa_restorer
;
5818 unlock_user_struct(old_act
, arg3
, 1);
5824 case TARGET_NR_rt_sigaction
:
5826 #if defined(TARGET_ALPHA)
5827 struct target_sigaction act
, oact
, *pact
= 0;
5828 struct target_rt_sigaction
*rt_act
;
5829 /* ??? arg4 == sizeof(sigset_t). */
5831 if (!lock_user_struct(VERIFY_READ
, rt_act
, arg2
, 1))
5833 act
._sa_handler
= rt_act
->_sa_handler
;
5834 act
.sa_mask
= rt_act
->sa_mask
;
5835 act
.sa_flags
= rt_act
->sa_flags
;
5836 act
.sa_restorer
= arg5
;
5837 unlock_user_struct(rt_act
, arg2
, 0);
5840 ret
= get_errno(do_sigaction(arg1
, pact
, &oact
));
5841 if (!is_error(ret
) && arg3
) {
5842 if (!lock_user_struct(VERIFY_WRITE
, rt_act
, arg3
, 0))
5844 rt_act
->_sa_handler
= oact
._sa_handler
;
5845 rt_act
->sa_mask
= oact
.sa_mask
;
5846 rt_act
->sa_flags
= oact
.sa_flags
;
5847 unlock_user_struct(rt_act
, arg3
, 1);
5850 struct target_sigaction
*act
;
5851 struct target_sigaction
*oact
;
5854 if (!lock_user_struct(VERIFY_READ
, act
, arg2
, 1))
5859 if (!lock_user_struct(VERIFY_WRITE
, oact
, arg3
, 0)) {
5860 ret
= -TARGET_EFAULT
;
5861 goto rt_sigaction_fail
;
5865 ret
= get_errno(do_sigaction(arg1
, act
, oact
));
5868 unlock_user_struct(act
, arg2
, 0);
5870 unlock_user_struct(oact
, arg3
, 1);
5874 #ifdef TARGET_NR_sgetmask /* not on alpha */
5875 case TARGET_NR_sgetmask
:
5878 abi_ulong target_set
;
5879 sigprocmask(0, NULL
, &cur_set
);
5880 host_to_target_old_sigset(&target_set
, &cur_set
);
5885 #ifdef TARGET_NR_ssetmask /* not on alpha */
5886 case TARGET_NR_ssetmask
:
5888 sigset_t set
, oset
, cur_set
;
5889 abi_ulong target_set
= arg1
;
5890 sigprocmask(0, NULL
, &cur_set
);
5891 target_to_host_old_sigset(&set
, &target_set
);
5892 sigorset(&set
, &set
, &cur_set
);
5893 sigprocmask(SIG_SETMASK
, &set
, &oset
);
5894 host_to_target_old_sigset(&target_set
, &oset
);
5899 #ifdef TARGET_NR_sigprocmask
5900 case TARGET_NR_sigprocmask
:
5902 #if defined(TARGET_ALPHA)
5903 sigset_t set
, oldset
;
5908 case TARGET_SIG_BLOCK
:
5911 case TARGET_SIG_UNBLOCK
:
5914 case TARGET_SIG_SETMASK
:
5918 ret
= -TARGET_EINVAL
;
5922 target_to_host_old_sigset(&set
, &mask
);
5924 ret
= get_errno(sigprocmask(how
, &set
, &oldset
));
5925 if (!is_error(ret
)) {
5926 host_to_target_old_sigset(&mask
, &oldset
);
5928 ((CPUAlphaState
*)cpu_env
)->ir
[IR_V0
] = 0; /* force no error */
5931 sigset_t set
, oldset
, *set_ptr
;
5936 case TARGET_SIG_BLOCK
:
5939 case TARGET_SIG_UNBLOCK
:
5942 case TARGET_SIG_SETMASK
:
5946 ret
= -TARGET_EINVAL
;
5949 if (!(p
= lock_user(VERIFY_READ
, arg2
, sizeof(target_sigset_t
), 1)))
5951 target_to_host_old_sigset(&set
, p
);
5952 unlock_user(p
, arg2
, 0);
5958 ret
= get_errno(sigprocmask(how
, set_ptr
, &oldset
));
5959 if (!is_error(ret
) && arg3
) {
5960 if (!(p
= lock_user(VERIFY_WRITE
, arg3
, sizeof(target_sigset_t
), 0)))
5962 host_to_target_old_sigset(p
, &oldset
);
5963 unlock_user(p
, arg3
, sizeof(target_sigset_t
));
5969 case TARGET_NR_rt_sigprocmask
:
5972 sigset_t set
, oldset
, *set_ptr
;
5976 case TARGET_SIG_BLOCK
:
5979 case TARGET_SIG_UNBLOCK
:
5982 case TARGET_SIG_SETMASK
:
5986 ret
= -TARGET_EINVAL
;
5989 if (!(p
= lock_user(VERIFY_READ
, arg2
, sizeof(target_sigset_t
), 1)))
5991 target_to_host_sigset(&set
, p
);
5992 unlock_user(p
, arg2
, 0);
5998 ret
= get_errno(sigprocmask(how
, set_ptr
, &oldset
));
5999 if (!is_error(ret
) && arg3
) {
6000 if (!(p
= lock_user(VERIFY_WRITE
, arg3
, sizeof(target_sigset_t
), 0)))
6002 host_to_target_sigset(p
, &oldset
);
6003 unlock_user(p
, arg3
, sizeof(target_sigset_t
));
6007 #ifdef TARGET_NR_sigpending
6008 case TARGET_NR_sigpending
:
6011 ret
= get_errno(sigpending(&set
));
6012 if (!is_error(ret
)) {
6013 if (!(p
= lock_user(VERIFY_WRITE
, arg1
, sizeof(target_sigset_t
), 0)))
6015 host_to_target_old_sigset(p
, &set
);
6016 unlock_user(p
, arg1
, sizeof(target_sigset_t
));
6021 case TARGET_NR_rt_sigpending
:
6024 ret
= get_errno(sigpending(&set
));
6025 if (!is_error(ret
)) {
6026 if (!(p
= lock_user(VERIFY_WRITE
, arg1
, sizeof(target_sigset_t
), 0)))
6028 host_to_target_sigset(p
, &set
);
6029 unlock_user(p
, arg1
, sizeof(target_sigset_t
));
6033 #ifdef TARGET_NR_sigsuspend
6034 case TARGET_NR_sigsuspend
:
6037 #if defined(TARGET_ALPHA)
6038 abi_ulong mask
= arg1
;
6039 target_to_host_old_sigset(&set
, &mask
);
6041 if (!(p
= lock_user(VERIFY_READ
, arg1
, sizeof(target_sigset_t
), 1)))
6043 target_to_host_old_sigset(&set
, p
);
6044 unlock_user(p
, arg1
, 0);
6046 ret
= get_errno(sigsuspend(&set
));
6050 case TARGET_NR_rt_sigsuspend
:
6053 if (!(p
= lock_user(VERIFY_READ
, arg1
, sizeof(target_sigset_t
), 1)))
6055 target_to_host_sigset(&set
, p
);
6056 unlock_user(p
, arg1
, 0);
6057 ret
= get_errno(sigsuspend(&set
));
6060 case TARGET_NR_rt_sigtimedwait
:
6063 struct timespec uts
, *puts
;
6066 if (!(p
= lock_user(VERIFY_READ
, arg1
, sizeof(target_sigset_t
), 1)))
6068 target_to_host_sigset(&set
, p
);
6069 unlock_user(p
, arg1
, 0);
6072 target_to_host_timespec(puts
, arg3
);
6076 ret
= get_errno(sigtimedwait(&set
, &uinfo
, puts
));
6077 if (!is_error(ret
) && arg2
) {
6078 if (!(p
= lock_user(VERIFY_WRITE
, arg2
, sizeof(target_siginfo_t
), 0)))
6080 host_to_target_siginfo(p
, &uinfo
);
6081 unlock_user(p
, arg2
, sizeof(target_siginfo_t
));
6085 case TARGET_NR_rt_sigqueueinfo
:
6088 if (!(p
= lock_user(VERIFY_READ
, arg3
, sizeof(target_sigset_t
), 1)))
6090 target_to_host_siginfo(&uinfo
, p
);
6091 unlock_user(p
, arg1
, 0);
6092 ret
= get_errno(sys_rt_sigqueueinfo(arg1
, arg2
, &uinfo
));
6095 #ifdef TARGET_NR_sigreturn
6096 case TARGET_NR_sigreturn
:
6097 /* NOTE: ret is eax, so not transcoding must be done */
6098 ret
= do_sigreturn(cpu_env
);
6101 case TARGET_NR_rt_sigreturn
:
6102 /* NOTE: ret is eax, so not transcoding must be done */
6103 ret
= do_rt_sigreturn(cpu_env
);
6105 case TARGET_NR_sethostname
:
6106 if (!(p
= lock_user_string(arg1
)))
6108 ret
= get_errno(sethostname(p
, arg2
));
6109 unlock_user(p
, arg1
, 0);
6111 case TARGET_NR_setrlimit
:
6113 int resource
= target_to_host_resource(arg1
);
6114 struct target_rlimit
*target_rlim
;
6116 if (!lock_user_struct(VERIFY_READ
, target_rlim
, arg2
, 1))
6118 rlim
.rlim_cur
= target_to_host_rlim(target_rlim
->rlim_cur
);
6119 rlim
.rlim_max
= target_to_host_rlim(target_rlim
->rlim_max
);
6120 unlock_user_struct(target_rlim
, arg2
, 0);
6121 ret
= get_errno(setrlimit(resource
, &rlim
));
6124 case TARGET_NR_getrlimit
:
6126 int resource
= target_to_host_resource(arg1
);
6127 struct target_rlimit
*target_rlim
;
6130 ret
= get_errno(getrlimit(resource
, &rlim
));
6131 if (!is_error(ret
)) {
6132 if (!lock_user_struct(VERIFY_WRITE
, target_rlim
, arg2
, 0))
6134 target_rlim
->rlim_cur
= host_to_target_rlim(rlim
.rlim_cur
);
6135 target_rlim
->rlim_max
= host_to_target_rlim(rlim
.rlim_max
);
6136 unlock_user_struct(target_rlim
, arg2
, 1);
6140 case TARGET_NR_getrusage
:
6142 struct rusage rusage
;
6143 ret
= get_errno(getrusage(arg1
, &rusage
));
6144 if (!is_error(ret
)) {
6145 host_to_target_rusage(arg2
, &rusage
);
6149 case TARGET_NR_gettimeofday
:
6152 ret
= get_errno(gettimeofday(&tv
, NULL
));
6153 if (!is_error(ret
)) {
6154 if (copy_to_user_timeval(arg1
, &tv
))
6159 case TARGET_NR_settimeofday
:
6162 if (copy_from_user_timeval(&tv
, arg1
))
6164 ret
= get_errno(settimeofday(&tv
, NULL
));
6167 #if defined(TARGET_NR_select)
6168 case TARGET_NR_select
:
6169 #if defined(TARGET_S390X) || defined(TARGET_ALPHA)
6170 ret
= do_select(arg1
, arg2
, arg3
, arg4
, arg5
);
6173 struct target_sel_arg_struct
*sel
;
6174 abi_ulong inp
, outp
, exp
, tvp
;
6177 if (!lock_user_struct(VERIFY_READ
, sel
, arg1
, 1))
6179 nsel
= tswapal(sel
->n
);
6180 inp
= tswapal(sel
->inp
);
6181 outp
= tswapal(sel
->outp
);
6182 exp
= tswapal(sel
->exp
);
6183 tvp
= tswapal(sel
->tvp
);
6184 unlock_user_struct(sel
, arg1
, 0);
6185 ret
= do_select(nsel
, inp
, outp
, exp
, tvp
);
6190 #ifdef TARGET_NR_pselect6
6191 case TARGET_NR_pselect6
:
6193 abi_long rfd_addr
, wfd_addr
, efd_addr
, n
, ts_addr
;
6194 fd_set rfds
, wfds
, efds
;
6195 fd_set
*rfds_ptr
, *wfds_ptr
, *efds_ptr
;
6196 struct timespec ts
, *ts_ptr
;
6199 * The 6th arg is actually two args smashed together,
6200 * so we cannot use the C library.
6208 abi_ulong arg_sigset
, arg_sigsize
, *arg7
;
6209 target_sigset_t
*target_sigset
;
6217 ret
= copy_from_user_fdset_ptr(&rfds
, &rfds_ptr
, rfd_addr
, n
);
6221 ret
= copy_from_user_fdset_ptr(&wfds
, &wfds_ptr
, wfd_addr
, n
);
6225 ret
= copy_from_user_fdset_ptr(&efds
, &efds_ptr
, efd_addr
, n
);
6231 * This takes a timespec, and not a timeval, so we cannot
6232 * use the do_select() helper ...
6235 if (target_to_host_timespec(&ts
, ts_addr
)) {
6243 /* Extract the two packed args for the sigset */
6246 sig
.size
= _NSIG
/ 8;
6248 arg7
= lock_user(VERIFY_READ
, arg6
, sizeof(*arg7
) * 2, 1);
6252 arg_sigset
= tswapal(arg7
[0]);
6253 arg_sigsize
= tswapal(arg7
[1]);
6254 unlock_user(arg7
, arg6
, 0);
6258 if (arg_sigsize
!= sizeof(*target_sigset
)) {
6259 /* Like the kernel, we enforce correct size sigsets */
6260 ret
= -TARGET_EINVAL
;
6263 target_sigset
= lock_user(VERIFY_READ
, arg_sigset
,
6264 sizeof(*target_sigset
), 1);
6265 if (!target_sigset
) {
6268 target_to_host_sigset(&set
, target_sigset
);
6269 unlock_user(target_sigset
, arg_sigset
, 0);
6277 ret
= get_errno(sys_pselect6(n
, rfds_ptr
, wfds_ptr
, efds_ptr
,
6280 if (!is_error(ret
)) {
6281 if (rfd_addr
&& copy_to_user_fdset(rfd_addr
, &rfds
, n
))
6283 if (wfd_addr
&& copy_to_user_fdset(wfd_addr
, &wfds
, n
))
6285 if (efd_addr
&& copy_to_user_fdset(efd_addr
, &efds
, n
))
6288 if (ts_addr
&& host_to_target_timespec(ts_addr
, &ts
))
6294 case TARGET_NR_symlink
:
6297 p
= lock_user_string(arg1
);
6298 p2
= lock_user_string(arg2
);
6300 ret
= -TARGET_EFAULT
;
6302 ret
= get_errno(symlink(p
, p2
));
6303 unlock_user(p2
, arg2
, 0);
6304 unlock_user(p
, arg1
, 0);
6307 #if defined(TARGET_NR_symlinkat)
6308 case TARGET_NR_symlinkat
:
6311 p
= lock_user_string(arg1
);
6312 p2
= lock_user_string(arg3
);
6314 ret
= -TARGET_EFAULT
;
6316 ret
= get_errno(symlinkat(p
, arg2
, p2
));
6317 unlock_user(p2
, arg3
, 0);
6318 unlock_user(p
, arg1
, 0);
6322 #ifdef TARGET_NR_oldlstat
6323 case TARGET_NR_oldlstat
:
6326 case TARGET_NR_readlink
:
6329 p
= lock_user_string(arg1
);
6330 p2
= lock_user(VERIFY_WRITE
, arg2
, arg3
, 0);
6332 ret
= -TARGET_EFAULT
;
6333 } else if (is_proc_myself((const char *)p
, "exe")) {
6334 char real
[PATH_MAX
], *temp
;
6335 temp
= realpath(exec_path
, real
);
6336 ret
= temp
== NULL
? get_errno(-1) : strlen(real
) ;
6337 snprintf((char *)p2
, arg3
, "%s", real
);
6339 ret
= get_errno(readlink(path(p
), p2
, arg3
));
6341 unlock_user(p2
, arg2
, ret
);
6342 unlock_user(p
, arg1
, 0);
6345 #if defined(TARGET_NR_readlinkat)
6346 case TARGET_NR_readlinkat
:
6349 p
= lock_user_string(arg2
);
6350 p2
= lock_user(VERIFY_WRITE
, arg3
, arg4
, 0);
6352 ret
= -TARGET_EFAULT
;
6353 } else if (is_proc_myself((const char *)p
, "exe")) {
6354 char real
[PATH_MAX
], *temp
;
6355 temp
= realpath(exec_path
, real
);
6356 ret
= temp
== NULL
? get_errno(-1) : strlen(real
) ;
6357 snprintf((char *)p2
, arg4
, "%s", real
);
6359 ret
= get_errno(readlinkat(arg1
, path(p
), p2
, arg4
));
6361 unlock_user(p2
, arg3
, ret
);
6362 unlock_user(p
, arg2
, 0);
6366 #ifdef TARGET_NR_uselib
6367 case TARGET_NR_uselib
:
6370 #ifdef TARGET_NR_swapon
6371 case TARGET_NR_swapon
:
6372 if (!(p
= lock_user_string(arg1
)))
6374 ret
= get_errno(swapon(p
, arg2
));
6375 unlock_user(p
, arg1
, 0);
6378 case TARGET_NR_reboot
:
6379 if (arg3
== LINUX_REBOOT_CMD_RESTART2
) {
6380 /* arg4 must be ignored in all other cases */
6381 p
= lock_user_string(arg4
);
6385 ret
= get_errno(reboot(arg1
, arg2
, arg3
, p
));
6386 unlock_user(p
, arg4
, 0);
6388 ret
= get_errno(reboot(arg1
, arg2
, arg3
, NULL
));
6391 #ifdef TARGET_NR_readdir
6392 case TARGET_NR_readdir
:
6395 #ifdef TARGET_NR_mmap
6396 case TARGET_NR_mmap
:
6397 #if (defined(TARGET_I386) && defined(TARGET_ABI32)) || defined(TARGET_ARM) || \
6398 defined(TARGET_M68K) || defined(TARGET_CRIS) || defined(TARGET_MICROBLAZE) \
6399 || defined(TARGET_S390X)
6402 abi_ulong v1
, v2
, v3
, v4
, v5
, v6
;
6403 if (!(v
= lock_user(VERIFY_READ
, arg1
, 6 * sizeof(abi_ulong
), 1)))
6411 unlock_user(v
, arg1
, 0);
6412 ret
= get_errno(target_mmap(v1
, v2
, v3
,
6413 target_to_host_bitmask(v4
, mmap_flags_tbl
),
6417 ret
= get_errno(target_mmap(arg1
, arg2
, arg3
,
6418 target_to_host_bitmask(arg4
, mmap_flags_tbl
),
6424 #ifdef TARGET_NR_mmap2
6425 case TARGET_NR_mmap2
:
6427 #define MMAP_SHIFT 12
6429 ret
= get_errno(target_mmap(arg1
, arg2
, arg3
,
6430 target_to_host_bitmask(arg4
, mmap_flags_tbl
),
6432 arg6
<< MMAP_SHIFT
));
6435 case TARGET_NR_munmap
:
6436 ret
= get_errno(target_munmap(arg1
, arg2
));
6438 case TARGET_NR_mprotect
:
6440 TaskState
*ts
= ((CPUArchState
*)cpu_env
)->opaque
;
6441 /* Special hack to detect libc making the stack executable. */
6442 if ((arg3
& PROT_GROWSDOWN
)
6443 && arg1
>= ts
->info
->stack_limit
6444 && arg1
<= ts
->info
->start_stack
) {
6445 arg3
&= ~PROT_GROWSDOWN
;
6446 arg2
= arg2
+ arg1
- ts
->info
->stack_limit
;
6447 arg1
= ts
->info
->stack_limit
;
6450 ret
= get_errno(target_mprotect(arg1
, arg2
, arg3
));
6452 #ifdef TARGET_NR_mremap
6453 case TARGET_NR_mremap
:
6454 ret
= get_errno(target_mremap(arg1
, arg2
, arg3
, arg4
, arg5
));
6457 /* ??? msync/mlock/munlock are broken for softmmu. */
6458 #ifdef TARGET_NR_msync
6459 case TARGET_NR_msync
:
6460 ret
= get_errno(msync(g2h(arg1
), arg2
, arg3
));
6463 #ifdef TARGET_NR_mlock
6464 case TARGET_NR_mlock
:
6465 ret
= get_errno(mlock(g2h(arg1
), arg2
));
6468 #ifdef TARGET_NR_munlock
6469 case TARGET_NR_munlock
:
6470 ret
= get_errno(munlock(g2h(arg1
), arg2
));
6473 #ifdef TARGET_NR_mlockall
6474 case TARGET_NR_mlockall
:
6475 ret
= get_errno(mlockall(arg1
));
6478 #ifdef TARGET_NR_munlockall
6479 case TARGET_NR_munlockall
:
6480 ret
= get_errno(munlockall());
6483 case TARGET_NR_truncate
:
6484 if (!(p
= lock_user_string(arg1
)))
6486 ret
= get_errno(truncate(p
, arg2
));
6487 unlock_user(p
, arg1
, 0);
6489 case TARGET_NR_ftruncate
:
6490 ret
= get_errno(ftruncate(arg1
, arg2
));
6492 case TARGET_NR_fchmod
:
6493 ret
= get_errno(fchmod(arg1
, arg2
));
6495 #if defined(TARGET_NR_fchmodat)
6496 case TARGET_NR_fchmodat
:
6497 if (!(p
= lock_user_string(arg2
)))
6499 ret
= get_errno(fchmodat(arg1
, p
, arg3
, 0));
6500 unlock_user(p
, arg2
, 0);
6503 case TARGET_NR_getpriority
:
6504 /* Note that negative values are valid for getpriority, so we must
6505 differentiate based on errno settings. */
6507 ret
= getpriority(arg1
, arg2
);
6508 if (ret
== -1 && errno
!= 0) {
6509 ret
= -host_to_target_errno(errno
);
6513 /* Return value is the unbiased priority. Signal no error. */
6514 ((CPUAlphaState
*)cpu_env
)->ir
[IR_V0
] = 0;
6516 /* Return value is a biased priority to avoid negative numbers. */
6520 case TARGET_NR_setpriority
:
6521 ret
= get_errno(setpriority(arg1
, arg2
, arg3
));
6523 #ifdef TARGET_NR_profil
6524 case TARGET_NR_profil
:
6527 case TARGET_NR_statfs
:
6528 if (!(p
= lock_user_string(arg1
)))
6530 ret
= get_errno(statfs(path(p
), &stfs
));
6531 unlock_user(p
, arg1
, 0);
6533 if (!is_error(ret
)) {
6534 struct target_statfs
*target_stfs
;
6536 if (!lock_user_struct(VERIFY_WRITE
, target_stfs
, arg2
, 0))
6538 __put_user(stfs
.f_type
, &target_stfs
->f_type
);
6539 __put_user(stfs
.f_bsize
, &target_stfs
->f_bsize
);
6540 __put_user(stfs
.f_blocks
, &target_stfs
->f_blocks
);
6541 __put_user(stfs
.f_bfree
, &target_stfs
->f_bfree
);
6542 __put_user(stfs
.f_bavail
, &target_stfs
->f_bavail
);
6543 __put_user(stfs
.f_files
, &target_stfs
->f_files
);
6544 __put_user(stfs
.f_ffree
, &target_stfs
->f_ffree
);
6545 __put_user(stfs
.f_fsid
.__val
[0], &target_stfs
->f_fsid
.val
[0]);
6546 __put_user(stfs
.f_fsid
.__val
[1], &target_stfs
->f_fsid
.val
[1]);
6547 __put_user(stfs
.f_namelen
, &target_stfs
->f_namelen
);
6548 __put_user(stfs
.f_frsize
, &target_stfs
->f_frsize
);
6549 memset(target_stfs
->f_spare
, 0, sizeof(target_stfs
->f_spare
));
6550 unlock_user_struct(target_stfs
, arg2
, 1);
6553 case TARGET_NR_fstatfs
:
6554 ret
= get_errno(fstatfs(arg1
, &stfs
));
6555 goto convert_statfs
;
6556 #ifdef TARGET_NR_statfs64
6557 case TARGET_NR_statfs64
:
6558 if (!(p
= lock_user_string(arg1
)))
6560 ret
= get_errno(statfs(path(p
), &stfs
));
6561 unlock_user(p
, arg1
, 0);
6563 if (!is_error(ret
)) {
6564 struct target_statfs64
*target_stfs
;
6566 if (!lock_user_struct(VERIFY_WRITE
, target_stfs
, arg3
, 0))
6568 __put_user(stfs
.f_type
, &target_stfs
->f_type
);
6569 __put_user(stfs
.f_bsize
, &target_stfs
->f_bsize
);
6570 __put_user(stfs
.f_blocks
, &target_stfs
->f_blocks
);
6571 __put_user(stfs
.f_bfree
, &target_stfs
->f_bfree
);
6572 __put_user(stfs
.f_bavail
, &target_stfs
->f_bavail
);
6573 __put_user(stfs
.f_files
, &target_stfs
->f_files
);
6574 __put_user(stfs
.f_ffree
, &target_stfs
->f_ffree
);
6575 __put_user(stfs
.f_fsid
.__val
[0], &target_stfs
->f_fsid
.val
[0]);
6576 __put_user(stfs
.f_fsid
.__val
[1], &target_stfs
->f_fsid
.val
[1]);
6577 __put_user(stfs
.f_namelen
, &target_stfs
->f_namelen
);
6578 __put_user(stfs
.f_frsize
, &target_stfs
->f_frsize
);
6579 memset(target_stfs
->f_spare
, 0, sizeof(target_stfs
->f_spare
));
6580 unlock_user_struct(target_stfs
, arg3
, 1);
6583 case TARGET_NR_fstatfs64
:
6584 ret
= get_errno(fstatfs(arg1
, &stfs
));
6585 goto convert_statfs64
;
6587 #ifdef TARGET_NR_ioperm
6588 case TARGET_NR_ioperm
:
6591 #ifdef TARGET_NR_socketcall
6592 case TARGET_NR_socketcall
:
6593 ret
= do_socketcall(arg1
, arg2
);
6596 #ifdef TARGET_NR_accept
6597 case TARGET_NR_accept
:
6598 ret
= do_accept4(arg1
, arg2
, arg3
, 0);
6601 #ifdef TARGET_NR_accept4
6602 case TARGET_NR_accept4
:
6603 #ifdef CONFIG_ACCEPT4
6604 ret
= do_accept4(arg1
, arg2
, arg3
, arg4
);
6610 #ifdef TARGET_NR_bind
6611 case TARGET_NR_bind
:
6612 ret
= do_bind(arg1
, arg2
, arg3
);
6615 #ifdef TARGET_NR_connect
6616 case TARGET_NR_connect
:
6617 ret
= do_connect(arg1
, arg2
, arg3
);
6620 #ifdef TARGET_NR_getpeername
6621 case TARGET_NR_getpeername
:
6622 ret
= do_getpeername(arg1
, arg2
, arg3
);
6625 #ifdef TARGET_NR_getsockname
6626 case TARGET_NR_getsockname
:
6627 ret
= do_getsockname(arg1
, arg2
, arg3
);
6630 #ifdef TARGET_NR_getsockopt
6631 case TARGET_NR_getsockopt
:
6632 ret
= do_getsockopt(arg1
, arg2
, arg3
, arg4
, arg5
);
6635 #ifdef TARGET_NR_listen
6636 case TARGET_NR_listen
:
6637 ret
= get_errno(listen(arg1
, arg2
));
6640 #ifdef TARGET_NR_recv
6641 case TARGET_NR_recv
:
6642 ret
= do_recvfrom(arg1
, arg2
, arg3
, arg4
, 0, 0);
6645 #ifdef TARGET_NR_recvfrom
6646 case TARGET_NR_recvfrom
:
6647 ret
= do_recvfrom(arg1
, arg2
, arg3
, arg4
, arg5
, arg6
);
6650 #ifdef TARGET_NR_recvmsg
6651 case TARGET_NR_recvmsg
:
6652 ret
= do_sendrecvmsg(arg1
, arg2
, arg3
, 0);
6655 #ifdef TARGET_NR_send
6656 case TARGET_NR_send
:
6657 ret
= do_sendto(arg1
, arg2
, arg3
, arg4
, 0, 0);
6660 #ifdef TARGET_NR_sendmsg
6661 case TARGET_NR_sendmsg
:
6662 ret
= do_sendrecvmsg(arg1
, arg2
, arg3
, 1);
6665 #ifdef TARGET_NR_sendto
6666 case TARGET_NR_sendto
:
6667 ret
= do_sendto(arg1
, arg2
, arg3
, arg4
, arg5
, arg6
);
6670 #ifdef TARGET_NR_shutdown
6671 case TARGET_NR_shutdown
:
6672 ret
= get_errno(shutdown(arg1
, arg2
));
6675 #ifdef TARGET_NR_socket
6676 case TARGET_NR_socket
:
6677 ret
= do_socket(arg1
, arg2
, arg3
);
6680 #ifdef TARGET_NR_socketpair
6681 case TARGET_NR_socketpair
:
6682 ret
= do_socketpair(arg1
, arg2
, arg3
, arg4
);
6685 #ifdef TARGET_NR_setsockopt
6686 case TARGET_NR_setsockopt
:
6687 ret
= do_setsockopt(arg1
, arg2
, arg3
, arg4
, (socklen_t
) arg5
);
6691 case TARGET_NR_syslog
:
6692 if (!(p
= lock_user_string(arg2
)))
6694 ret
= get_errno(sys_syslog((int)arg1
, p
, (int)arg3
));
6695 unlock_user(p
, arg2
, 0);
6698 case TARGET_NR_setitimer
:
6700 struct itimerval value
, ovalue
, *pvalue
;
6704 if (copy_from_user_timeval(&pvalue
->it_interval
, arg2
)
6705 || copy_from_user_timeval(&pvalue
->it_value
,
6706 arg2
+ sizeof(struct target_timeval
)))
6711 ret
= get_errno(setitimer(arg1
, pvalue
, &ovalue
));
6712 if (!is_error(ret
) && arg3
) {
6713 if (copy_to_user_timeval(arg3
,
6714 &ovalue
.it_interval
)
6715 || copy_to_user_timeval(arg3
+ sizeof(struct target_timeval
),
6721 case TARGET_NR_getitimer
:
6723 struct itimerval value
;
6725 ret
= get_errno(getitimer(arg1
, &value
));
6726 if (!is_error(ret
) && arg2
) {
6727 if (copy_to_user_timeval(arg2
,
6729 || copy_to_user_timeval(arg2
+ sizeof(struct target_timeval
),
6735 case TARGET_NR_stat
:
6736 if (!(p
= lock_user_string(arg1
)))
6738 ret
= get_errno(stat(path(p
), &st
));
6739 unlock_user(p
, arg1
, 0);
6741 case TARGET_NR_lstat
:
6742 if (!(p
= lock_user_string(arg1
)))
6744 ret
= get_errno(lstat(path(p
), &st
));
6745 unlock_user(p
, arg1
, 0);
6747 case TARGET_NR_fstat
:
6749 ret
= get_errno(fstat(arg1
, &st
));
6751 if (!is_error(ret
)) {
6752 struct target_stat
*target_st
;
6754 if (!lock_user_struct(VERIFY_WRITE
, target_st
, arg2
, 0))
6756 memset(target_st
, 0, sizeof(*target_st
));
6757 __put_user(st
.st_dev
, &target_st
->st_dev
);
6758 __put_user(st
.st_ino
, &target_st
->st_ino
);
6759 __put_user(st
.st_mode
, &target_st
->st_mode
);
6760 __put_user(st
.st_uid
, &target_st
->st_uid
);
6761 __put_user(st
.st_gid
, &target_st
->st_gid
);
6762 __put_user(st
.st_nlink
, &target_st
->st_nlink
);
6763 __put_user(st
.st_rdev
, &target_st
->st_rdev
);
6764 __put_user(st
.st_size
, &target_st
->st_size
);
6765 __put_user(st
.st_blksize
, &target_st
->st_blksize
);
6766 __put_user(st
.st_blocks
, &target_st
->st_blocks
);
6767 __put_user(st
.st_atime
, &target_st
->target_st_atime
);
6768 __put_user(st
.st_mtime
, &target_st
->target_st_mtime
);
6769 __put_user(st
.st_ctime
, &target_st
->target_st_ctime
);
6770 unlock_user_struct(target_st
, arg2
, 1);
6774 #ifdef TARGET_NR_olduname
6775 case TARGET_NR_olduname
:
6778 #ifdef TARGET_NR_iopl
6779 case TARGET_NR_iopl
:
6782 case TARGET_NR_vhangup
:
6783 ret
= get_errno(vhangup());
6785 #ifdef TARGET_NR_idle
6786 case TARGET_NR_idle
:
6789 #ifdef TARGET_NR_syscall
6790 case TARGET_NR_syscall
:
6791 ret
= do_syscall(cpu_env
, arg1
& 0xffff, arg2
, arg3
, arg4
, arg5
,
6792 arg6
, arg7
, arg8
, 0);
6795 case TARGET_NR_wait4
:
6798 abi_long status_ptr
= arg2
;
6799 struct rusage rusage
, *rusage_ptr
;
6800 abi_ulong target_rusage
= arg4
;
6802 rusage_ptr
= &rusage
;
6805 ret
= get_errno(wait4(arg1
, &status
, arg3
, rusage_ptr
));
6806 if (!is_error(ret
)) {
6807 if (status_ptr
&& ret
) {
6808 status
= host_to_target_waitstatus(status
);
6809 if (put_user_s32(status
, status_ptr
))
6813 host_to_target_rusage(target_rusage
, &rusage
);
6817 #ifdef TARGET_NR_swapoff
6818 case TARGET_NR_swapoff
:
6819 if (!(p
= lock_user_string(arg1
)))
6821 ret
= get_errno(swapoff(p
));
6822 unlock_user(p
, arg1
, 0);
6825 case TARGET_NR_sysinfo
:
6827 struct target_sysinfo
*target_value
;
6828 struct sysinfo value
;
6829 ret
= get_errno(sysinfo(&value
));
6830 if (!is_error(ret
) && arg1
)
6832 if (!lock_user_struct(VERIFY_WRITE
, target_value
, arg1
, 0))
6834 __put_user(value
.uptime
, &target_value
->uptime
);
6835 __put_user(value
.loads
[0], &target_value
->loads
[0]);
6836 __put_user(value
.loads
[1], &target_value
->loads
[1]);
6837 __put_user(value
.loads
[2], &target_value
->loads
[2]);
6838 __put_user(value
.totalram
, &target_value
->totalram
);
6839 __put_user(value
.freeram
, &target_value
->freeram
);
6840 __put_user(value
.sharedram
, &target_value
->sharedram
);
6841 __put_user(value
.bufferram
, &target_value
->bufferram
);
6842 __put_user(value
.totalswap
, &target_value
->totalswap
);
6843 __put_user(value
.freeswap
, &target_value
->freeswap
);
6844 __put_user(value
.procs
, &target_value
->procs
);
6845 __put_user(value
.totalhigh
, &target_value
->totalhigh
);
6846 __put_user(value
.freehigh
, &target_value
->freehigh
);
6847 __put_user(value
.mem_unit
, &target_value
->mem_unit
);
6848 unlock_user_struct(target_value
, arg1
, 1);
6852 #ifdef TARGET_NR_ipc
6854 ret
= do_ipc(arg1
, arg2
, arg3
, arg4
, arg5
, arg6
);
6857 #ifdef TARGET_NR_semget
6858 case TARGET_NR_semget
:
6859 ret
= get_errno(semget(arg1
, arg2
, arg3
));
6862 #ifdef TARGET_NR_semop
6863 case TARGET_NR_semop
:
6864 ret
= do_semop(arg1
, arg2
, arg3
);
6867 #ifdef TARGET_NR_semctl
6868 case TARGET_NR_semctl
:
6869 ret
= do_semctl(arg1
, arg2
, arg3
, (union target_semun
)(abi_ulong
)arg4
);
6872 #ifdef TARGET_NR_msgctl
6873 case TARGET_NR_msgctl
:
6874 ret
= do_msgctl(arg1
, arg2
, arg3
);
6877 #ifdef TARGET_NR_msgget
6878 case TARGET_NR_msgget
:
6879 ret
= get_errno(msgget(arg1
, arg2
));
6882 #ifdef TARGET_NR_msgrcv
6883 case TARGET_NR_msgrcv
:
6884 ret
= do_msgrcv(arg1
, arg2
, arg3
, arg4
, arg5
);
6887 #ifdef TARGET_NR_msgsnd
6888 case TARGET_NR_msgsnd
:
6889 ret
= do_msgsnd(arg1
, arg2
, arg3
, arg4
);
6892 #ifdef TARGET_NR_shmget
6893 case TARGET_NR_shmget
:
6894 ret
= get_errno(shmget(arg1
, arg2
, arg3
));
6897 #ifdef TARGET_NR_shmctl
6898 case TARGET_NR_shmctl
:
6899 ret
= do_shmctl(arg1
, arg2
, arg3
);
6902 #ifdef TARGET_NR_shmat
6903 case TARGET_NR_shmat
:
6904 ret
= do_shmat(arg1
, arg2
, arg3
);
6907 #ifdef TARGET_NR_shmdt
6908 case TARGET_NR_shmdt
:
6909 ret
= do_shmdt(arg1
);
6912 case TARGET_NR_fsync
:
6913 ret
= get_errno(fsync(arg1
));
6915 case TARGET_NR_clone
:
6916 /* Linux manages to have three different orderings for its
6917 * arguments to clone(); the BACKWARDS and BACKWARDS2 defines
6918 * match the kernel's CONFIG_CLONE_* settings.
6919 * Microblaze is further special in that it uses a sixth
6920 * implicit argument to clone for the TLS pointer.
6922 #if defined(TARGET_MICROBLAZE)
6923 ret
= get_errno(do_fork(cpu_env
, arg1
, arg2
, arg4
, arg6
, arg5
));
6924 #elif defined(TARGET_CLONE_BACKWARDS)
6925 ret
= get_errno(do_fork(cpu_env
, arg1
, arg2
, arg3
, arg4
, arg5
));
6926 #elif defined(TARGET_CLONE_BACKWARDS2)
6927 ret
= get_errno(do_fork(cpu_env
, arg2
, arg1
, arg3
, arg5
, arg4
));
6929 ret
= get_errno(do_fork(cpu_env
, arg1
, arg2
, arg3
, arg5
, arg4
));
6932 #ifdef __NR_exit_group
6933 /* new thread calls */
6934 case TARGET_NR_exit_group
:
6938 gdb_exit(cpu_env
, arg1
);
6939 ret
= get_errno(exit_group(arg1
));
6942 case TARGET_NR_setdomainname
:
6943 if (!(p
= lock_user_string(arg1
)))
6945 ret
= get_errno(setdomainname(p
, arg2
));
6946 unlock_user(p
, arg1
, 0);
6948 case TARGET_NR_uname
:
6949 /* no need to transcode because we use the linux syscall */
6951 struct new_utsname
* buf
;
6953 if (!lock_user_struct(VERIFY_WRITE
, buf
, arg1
, 0))
6955 ret
= get_errno(sys_uname(buf
));
6956 if (!is_error(ret
)) {
6957 /* Overrite the native machine name with whatever is being
6959 strcpy (buf
->machine
, cpu_to_uname_machine(cpu_env
));
6960 /* Allow the user to override the reported release. */
6961 if (qemu_uname_release
&& *qemu_uname_release
)
6962 strcpy (buf
->release
, qemu_uname_release
);
6964 unlock_user_struct(buf
, arg1
, 1);
6968 case TARGET_NR_modify_ldt
:
6969 ret
= do_modify_ldt(cpu_env
, arg1
, arg2
, arg3
);
6971 #if !defined(TARGET_X86_64)
6972 case TARGET_NR_vm86old
:
6974 case TARGET_NR_vm86
:
6975 ret
= do_vm86(cpu_env
, arg1
, arg2
);
6979 case TARGET_NR_adjtimex
:
6981 #ifdef TARGET_NR_create_module
6982 case TARGET_NR_create_module
:
6984 case TARGET_NR_init_module
:
6985 case TARGET_NR_delete_module
:
6986 #ifdef TARGET_NR_get_kernel_syms
6987 case TARGET_NR_get_kernel_syms
:
6990 case TARGET_NR_quotactl
:
6992 case TARGET_NR_getpgid
:
6993 ret
= get_errno(getpgid(arg1
));
6995 case TARGET_NR_fchdir
:
6996 ret
= get_errno(fchdir(arg1
));
6998 #ifdef TARGET_NR_bdflush /* not on x86_64 */
6999 case TARGET_NR_bdflush
:
7002 #ifdef TARGET_NR_sysfs
7003 case TARGET_NR_sysfs
:
7006 case TARGET_NR_personality
:
7007 ret
= get_errno(personality(arg1
));
7009 #ifdef TARGET_NR_afs_syscall
7010 case TARGET_NR_afs_syscall
:
7013 #ifdef TARGET_NR__llseek /* Not on alpha */
7014 case TARGET_NR__llseek
:
7017 #if !defined(__NR_llseek)
7018 res
= lseek(arg1
, ((uint64_t)arg2
<< 32) | arg3
, arg5
);
7020 ret
= get_errno(res
);
7025 ret
= get_errno(_llseek(arg1
, arg2
, arg3
, &res
, arg5
));
7027 if ((ret
== 0) && put_user_s64(res
, arg4
)) {
7033 case TARGET_NR_getdents
:
7034 #ifdef __NR_getdents
7035 #if TARGET_ABI_BITS == 32 && HOST_LONG_BITS == 64
7037 struct target_dirent
*target_dirp
;
7038 struct linux_dirent
*dirp
;
7039 abi_long count
= arg3
;
7041 dirp
= malloc(count
);
7043 ret
= -TARGET_ENOMEM
;
7047 ret
= get_errno(sys_getdents(arg1
, dirp
, count
));
7048 if (!is_error(ret
)) {
7049 struct linux_dirent
*de
;
7050 struct target_dirent
*tde
;
7052 int reclen
, treclen
;
7053 int count1
, tnamelen
;
7057 if (!(target_dirp
= lock_user(VERIFY_WRITE
, arg2
, count
, 0)))
7061 reclen
= de
->d_reclen
;
7062 tnamelen
= reclen
- offsetof(struct linux_dirent
, d_name
);
7063 assert(tnamelen
>= 0);
7064 treclen
= tnamelen
+ offsetof(struct target_dirent
, d_name
);
7065 assert(count1
+ treclen
<= count
);
7066 tde
->d_reclen
= tswap16(treclen
);
7067 tde
->d_ino
= tswapal(de
->d_ino
);
7068 tde
->d_off
= tswapal(de
->d_off
);
7069 memcpy(tde
->d_name
, de
->d_name
, tnamelen
);
7070 de
= (struct linux_dirent
*)((char *)de
+ reclen
);
7072 tde
= (struct target_dirent
*)((char *)tde
+ treclen
);
7076 unlock_user(target_dirp
, arg2
, ret
);
7082 struct linux_dirent
*dirp
;
7083 abi_long count
= arg3
;
7085 if (!(dirp
= lock_user(VERIFY_WRITE
, arg2
, count
, 0)))
7087 ret
= get_errno(sys_getdents(arg1
, dirp
, count
));
7088 if (!is_error(ret
)) {
7089 struct linux_dirent
*de
;
7094 reclen
= de
->d_reclen
;
7097 de
->d_reclen
= tswap16(reclen
);
7098 tswapls(&de
->d_ino
);
7099 tswapls(&de
->d_off
);
7100 de
= (struct linux_dirent
*)((char *)de
+ reclen
);
7104 unlock_user(dirp
, arg2
, ret
);
7108 /* Implement getdents in terms of getdents64 */
7110 struct linux_dirent64
*dirp
;
7111 abi_long count
= arg3
;
7113 dirp
= lock_user(VERIFY_WRITE
, arg2
, count
, 0);
7117 ret
= get_errno(sys_getdents64(arg1
, dirp
, count
));
7118 if (!is_error(ret
)) {
7119 /* Convert the dirent64 structs to target dirent. We do this
7120 * in-place, since we can guarantee that a target_dirent is no
7121 * larger than a dirent64; however this means we have to be
7122 * careful to read everything before writing in the new format.
7124 struct linux_dirent64
*de
;
7125 struct target_dirent
*tde
;
7130 tde
= (struct target_dirent
*)dirp
;
7132 int namelen
, treclen
;
7133 int reclen
= de
->d_reclen
;
7134 uint64_t ino
= de
->d_ino
;
7135 int64_t off
= de
->d_off
;
7136 uint8_t type
= de
->d_type
;
7138 namelen
= strlen(de
->d_name
);
7139 treclen
= offsetof(struct target_dirent
, d_name
)
7141 treclen
= QEMU_ALIGN_UP(treclen
, sizeof(abi_long
));
7143 memmove(tde
->d_name
, de
->d_name
, namelen
+ 1);
7144 tde
->d_ino
= tswapal(ino
);
7145 tde
->d_off
= tswapal(off
);
7146 tde
->d_reclen
= tswap16(treclen
);
7147 /* The target_dirent type is in what was formerly a padding
7148 * byte at the end of the structure:
7150 *(((char *)tde
) + treclen
- 1) = type
;
7152 de
= (struct linux_dirent64
*)((char *)de
+ reclen
);
7153 tde
= (struct target_dirent
*)((char *)tde
+ treclen
);
7159 unlock_user(dirp
, arg2
, ret
);
7163 #if defined(TARGET_NR_getdents64) && defined(__NR_getdents64)
7164 case TARGET_NR_getdents64
:
7166 struct linux_dirent64
*dirp
;
7167 abi_long count
= arg3
;
7168 if (!(dirp
= lock_user(VERIFY_WRITE
, arg2
, count
, 0)))
7170 ret
= get_errno(sys_getdents64(arg1
, dirp
, count
));
7171 if (!is_error(ret
)) {
7172 struct linux_dirent64
*de
;
7177 reclen
= de
->d_reclen
;
7180 de
->d_reclen
= tswap16(reclen
);
7181 tswap64s((uint64_t *)&de
->d_ino
);
7182 tswap64s((uint64_t *)&de
->d_off
);
7183 de
= (struct linux_dirent64
*)((char *)de
+ reclen
);
7187 unlock_user(dirp
, arg2
, ret
);
7190 #endif /* TARGET_NR_getdents64 */
7191 #if defined(TARGET_NR__newselect)
7192 case TARGET_NR__newselect
:
7193 ret
= do_select(arg1
, arg2
, arg3
, arg4
, arg5
);
7196 #if defined(TARGET_NR_poll) || defined(TARGET_NR_ppoll)
7197 # ifdef TARGET_NR_poll
7198 case TARGET_NR_poll
:
7200 # ifdef TARGET_NR_ppoll
7201 case TARGET_NR_ppoll
:
7204 struct target_pollfd
*target_pfd
;
7205 unsigned int nfds
= arg2
;
7210 target_pfd
= lock_user(VERIFY_WRITE
, arg1
, sizeof(struct target_pollfd
) * nfds
, 1);
7214 pfd
= alloca(sizeof(struct pollfd
) * nfds
);
7215 for(i
= 0; i
< nfds
; i
++) {
7216 pfd
[i
].fd
= tswap32(target_pfd
[i
].fd
);
7217 pfd
[i
].events
= tswap16(target_pfd
[i
].events
);
7220 # ifdef TARGET_NR_ppoll
7221 if (num
== TARGET_NR_ppoll
) {
7222 struct timespec _timeout_ts
, *timeout_ts
= &_timeout_ts
;
7223 target_sigset_t
*target_set
;
7224 sigset_t _set
, *set
= &_set
;
7227 if (target_to_host_timespec(timeout_ts
, arg3
)) {
7228 unlock_user(target_pfd
, arg1
, 0);
7236 target_set
= lock_user(VERIFY_READ
, arg4
, sizeof(target_sigset_t
), 1);
7238 unlock_user(target_pfd
, arg1
, 0);
7241 target_to_host_sigset(set
, target_set
);
7246 ret
= get_errno(sys_ppoll(pfd
, nfds
, timeout_ts
, set
, _NSIG
/8));
7248 if (!is_error(ret
) && arg3
) {
7249 host_to_target_timespec(arg3
, timeout_ts
);
7252 unlock_user(target_set
, arg4
, 0);
7256 ret
= get_errno(poll(pfd
, nfds
, timeout
));
7258 if (!is_error(ret
)) {
7259 for(i
= 0; i
< nfds
; i
++) {
7260 target_pfd
[i
].revents
= tswap16(pfd
[i
].revents
);
7263 unlock_user(target_pfd
, arg1
, sizeof(struct target_pollfd
) * nfds
);
7267 case TARGET_NR_flock
:
7268 /* NOTE: the flock constant seems to be the same for every
7270 ret
= get_errno(flock(arg1
, arg2
));
7272 case TARGET_NR_readv
:
7274 struct iovec
*vec
= lock_iovec(VERIFY_WRITE
, arg2
, arg3
, 0);
7276 ret
= get_errno(readv(arg1
, vec
, arg3
));
7277 unlock_iovec(vec
, arg2
, arg3
, 1);
7279 ret
= -host_to_target_errno(errno
);
7283 case TARGET_NR_writev
:
7285 struct iovec
*vec
= lock_iovec(VERIFY_READ
, arg2
, arg3
, 1);
7287 ret
= get_errno(writev(arg1
, vec
, arg3
));
7288 unlock_iovec(vec
, arg2
, arg3
, 0);
7290 ret
= -host_to_target_errno(errno
);
7294 case TARGET_NR_getsid
:
7295 ret
= get_errno(getsid(arg1
));
7297 #if defined(TARGET_NR_fdatasync) /* Not on alpha (osf_datasync ?) */
7298 case TARGET_NR_fdatasync
:
7299 ret
= get_errno(fdatasync(arg1
));
7302 case TARGET_NR__sysctl
:
7303 /* We don't implement this, but ENOTDIR is always a safe
7305 ret
= -TARGET_ENOTDIR
;
7307 case TARGET_NR_sched_getaffinity
:
7309 unsigned int mask_size
;
7310 unsigned long *mask
;
7313 * sched_getaffinity needs multiples of ulong, so need to take
7314 * care of mismatches between target ulong and host ulong sizes.
7316 if (arg2
& (sizeof(abi_ulong
) - 1)) {
7317 ret
= -TARGET_EINVAL
;
7320 mask_size
= (arg2
+ (sizeof(*mask
) - 1)) & ~(sizeof(*mask
) - 1);
7322 mask
= alloca(mask_size
);
7323 ret
= get_errno(sys_sched_getaffinity(arg1
, mask_size
, mask
));
7325 if (!is_error(ret
)) {
7326 if (copy_to_user(arg3
, mask
, ret
)) {
7332 case TARGET_NR_sched_setaffinity
:
7334 unsigned int mask_size
;
7335 unsigned long *mask
;
7338 * sched_setaffinity needs multiples of ulong, so need to take
7339 * care of mismatches between target ulong and host ulong sizes.
7341 if (arg2
& (sizeof(abi_ulong
) - 1)) {
7342 ret
= -TARGET_EINVAL
;
7345 mask_size
= (arg2
+ (sizeof(*mask
) - 1)) & ~(sizeof(*mask
) - 1);
7347 mask
= alloca(mask_size
);
7348 if (!lock_user_struct(VERIFY_READ
, p
, arg3
, 1)) {
7351 memcpy(mask
, p
, arg2
);
7352 unlock_user_struct(p
, arg2
, 0);
7354 ret
= get_errno(sys_sched_setaffinity(arg1
, mask_size
, mask
));
7357 case TARGET_NR_sched_setparam
:
7359 struct sched_param
*target_schp
;
7360 struct sched_param schp
;
7362 if (!lock_user_struct(VERIFY_READ
, target_schp
, arg2
, 1))
7364 schp
.sched_priority
= tswap32(target_schp
->sched_priority
);
7365 unlock_user_struct(target_schp
, arg2
, 0);
7366 ret
= get_errno(sched_setparam(arg1
, &schp
));
7369 case TARGET_NR_sched_getparam
:
7371 struct sched_param
*target_schp
;
7372 struct sched_param schp
;
7373 ret
= get_errno(sched_getparam(arg1
, &schp
));
7374 if (!is_error(ret
)) {
7375 if (!lock_user_struct(VERIFY_WRITE
, target_schp
, arg2
, 0))
7377 target_schp
->sched_priority
= tswap32(schp
.sched_priority
);
7378 unlock_user_struct(target_schp
, arg2
, 1);
7382 case TARGET_NR_sched_setscheduler
:
7384 struct sched_param
*target_schp
;
7385 struct sched_param schp
;
7386 if (!lock_user_struct(VERIFY_READ
, target_schp
, arg3
, 1))
7388 schp
.sched_priority
= tswap32(target_schp
->sched_priority
);
7389 unlock_user_struct(target_schp
, arg3
, 0);
7390 ret
= get_errno(sched_setscheduler(arg1
, arg2
, &schp
));
7393 case TARGET_NR_sched_getscheduler
:
7394 ret
= get_errno(sched_getscheduler(arg1
));
7396 case TARGET_NR_sched_yield
:
7397 ret
= get_errno(sched_yield());
7399 case TARGET_NR_sched_get_priority_max
:
7400 ret
= get_errno(sched_get_priority_max(arg1
));
7402 case TARGET_NR_sched_get_priority_min
:
7403 ret
= get_errno(sched_get_priority_min(arg1
));
7405 case TARGET_NR_sched_rr_get_interval
:
7408 ret
= get_errno(sched_rr_get_interval(arg1
, &ts
));
7409 if (!is_error(ret
)) {
7410 host_to_target_timespec(arg2
, &ts
);
7414 case TARGET_NR_nanosleep
:
7416 struct timespec req
, rem
;
7417 target_to_host_timespec(&req
, arg1
);
7418 ret
= get_errno(nanosleep(&req
, &rem
));
7419 if (is_error(ret
) && arg2
) {
7420 host_to_target_timespec(arg2
, &rem
);
7424 #ifdef TARGET_NR_query_module
7425 case TARGET_NR_query_module
:
7428 #ifdef TARGET_NR_nfsservctl
7429 case TARGET_NR_nfsservctl
:
7432 case TARGET_NR_prctl
:
7434 case PR_GET_PDEATHSIG
:
7437 ret
= get_errno(prctl(arg1
, &deathsig
, arg3
, arg4
, arg5
));
7438 if (!is_error(ret
) && arg2
7439 && put_user_ual(deathsig
, arg2
)) {
7447 void *name
= lock_user(VERIFY_WRITE
, arg2
, 16, 1);
7451 ret
= get_errno(prctl(arg1
, (unsigned long)name
,
7453 unlock_user(name
, arg2
, 16);
7458 void *name
= lock_user(VERIFY_READ
, arg2
, 16, 1);
7462 ret
= get_errno(prctl(arg1
, (unsigned long)name
,
7464 unlock_user(name
, arg2
, 0);
7469 /* Most prctl options have no pointer arguments */
7470 ret
= get_errno(prctl(arg1
, arg2
, arg3
, arg4
, arg5
));
7474 #ifdef TARGET_NR_arch_prctl
7475 case TARGET_NR_arch_prctl
:
7476 #if defined(TARGET_I386) && !defined(TARGET_ABI32)
7477 ret
= do_arch_prctl(cpu_env
, arg1
, arg2
);
7483 #ifdef TARGET_NR_pread64
7484 case TARGET_NR_pread64
:
7485 if (regpairs_aligned(cpu_env
)) {
7489 if (!(p
= lock_user(VERIFY_WRITE
, arg2
, arg3
, 0)))
7491 ret
= get_errno(pread64(arg1
, p
, arg3
, target_offset64(arg4
, arg5
)));
7492 unlock_user(p
, arg2
, ret
);
7494 case TARGET_NR_pwrite64
:
7495 if (regpairs_aligned(cpu_env
)) {
7499 if (!(p
= lock_user(VERIFY_READ
, arg2
, arg3
, 1)))
7501 ret
= get_errno(pwrite64(arg1
, p
, arg3
, target_offset64(arg4
, arg5
)));
7502 unlock_user(p
, arg2
, 0);
7505 case TARGET_NR_getcwd
:
7506 if (!(p
= lock_user(VERIFY_WRITE
, arg1
, arg2
, 0)))
7508 ret
= get_errno(sys_getcwd1(p
, arg2
));
7509 unlock_user(p
, arg1
, ret
);
7511 case TARGET_NR_capget
:
7513 case TARGET_NR_capset
:
7515 case TARGET_NR_sigaltstack
:
7516 #if defined(TARGET_I386) || defined(TARGET_ARM) || defined(TARGET_MIPS) || \
7517 defined(TARGET_SPARC) || defined(TARGET_PPC) || defined(TARGET_ALPHA) || \
7518 defined(TARGET_M68K) || defined(TARGET_S390X) || defined(TARGET_OPENRISC)
7519 ret
= do_sigaltstack(arg1
, arg2
, get_sp_from_cpustate((CPUArchState
*)cpu_env
));
7525 #ifdef CONFIG_SENDFILE
7526 case TARGET_NR_sendfile
:
7531 ret
= get_user_sal(off
, arg3
);
7532 if (is_error(ret
)) {
7537 ret
= get_errno(sendfile(arg1
, arg2
, offp
, arg4
));
7538 if (!is_error(ret
) && arg3
) {
7539 abi_long ret2
= put_user_sal(off
, arg3
);
7540 if (is_error(ret2
)) {
7546 #ifdef TARGET_NR_sendfile64
7547 case TARGET_NR_sendfile64
:
7552 ret
= get_user_s64(off
, arg3
);
7553 if (is_error(ret
)) {
7558 ret
= get_errno(sendfile(arg1
, arg2
, offp
, arg4
));
7559 if (!is_error(ret
) && arg3
) {
7560 abi_long ret2
= put_user_s64(off
, arg3
);
7561 if (is_error(ret2
)) {
7569 case TARGET_NR_sendfile
:
7570 #ifdef TARGET_NR_sendfile64
7571 case TARGET_NR_sendfile64
:
7576 #ifdef TARGET_NR_getpmsg
7577 case TARGET_NR_getpmsg
:
7580 #ifdef TARGET_NR_putpmsg
7581 case TARGET_NR_putpmsg
:
7584 #ifdef TARGET_NR_vfork
7585 case TARGET_NR_vfork
:
7586 ret
= get_errno(do_fork(cpu_env
, CLONE_VFORK
| CLONE_VM
| SIGCHLD
,
7590 #ifdef TARGET_NR_ugetrlimit
7591 case TARGET_NR_ugetrlimit
:
7594 int resource
= target_to_host_resource(arg1
);
7595 ret
= get_errno(getrlimit(resource
, &rlim
));
7596 if (!is_error(ret
)) {
7597 struct target_rlimit
*target_rlim
;
7598 if (!lock_user_struct(VERIFY_WRITE
, target_rlim
, arg2
, 0))
7600 target_rlim
->rlim_cur
= host_to_target_rlim(rlim
.rlim_cur
);
7601 target_rlim
->rlim_max
= host_to_target_rlim(rlim
.rlim_max
);
7602 unlock_user_struct(target_rlim
, arg2
, 1);
7607 #ifdef TARGET_NR_truncate64
7608 case TARGET_NR_truncate64
:
7609 if (!(p
= lock_user_string(arg1
)))
7611 ret
= target_truncate64(cpu_env
, p
, arg2
, arg3
, arg4
);
7612 unlock_user(p
, arg1
, 0);
7615 #ifdef TARGET_NR_ftruncate64
7616 case TARGET_NR_ftruncate64
:
7617 ret
= target_ftruncate64(cpu_env
, arg1
, arg2
, arg3
, arg4
);
7620 #ifdef TARGET_NR_stat64
7621 case TARGET_NR_stat64
:
7622 if (!(p
= lock_user_string(arg1
)))
7624 ret
= get_errno(stat(path(p
), &st
));
7625 unlock_user(p
, arg1
, 0);
7627 ret
= host_to_target_stat64(cpu_env
, arg2
, &st
);
7630 #ifdef TARGET_NR_lstat64
7631 case TARGET_NR_lstat64
:
7632 if (!(p
= lock_user_string(arg1
)))
7634 ret
= get_errno(lstat(path(p
), &st
));
7635 unlock_user(p
, arg1
, 0);
7637 ret
= host_to_target_stat64(cpu_env
, arg2
, &st
);
7640 #ifdef TARGET_NR_fstat64
7641 case TARGET_NR_fstat64
:
7642 ret
= get_errno(fstat(arg1
, &st
));
7644 ret
= host_to_target_stat64(cpu_env
, arg2
, &st
);
7647 #if (defined(TARGET_NR_fstatat64) || defined(TARGET_NR_newfstatat))
7648 #ifdef TARGET_NR_fstatat64
7649 case TARGET_NR_fstatat64
:
7651 #ifdef TARGET_NR_newfstatat
7652 case TARGET_NR_newfstatat
:
7654 if (!(p
= lock_user_string(arg2
)))
7656 ret
= get_errno(fstatat(arg1
, path(p
), &st
, arg4
));
7658 ret
= host_to_target_stat64(cpu_env
, arg3
, &st
);
7661 case TARGET_NR_lchown
:
7662 if (!(p
= lock_user_string(arg1
)))
7664 ret
= get_errno(lchown(p
, low2highuid(arg2
), low2highgid(arg3
)));
7665 unlock_user(p
, arg1
, 0);
7667 #ifdef TARGET_NR_getuid
7668 case TARGET_NR_getuid
:
7669 ret
= get_errno(high2lowuid(getuid()));
7672 #ifdef TARGET_NR_getgid
7673 case TARGET_NR_getgid
:
7674 ret
= get_errno(high2lowgid(getgid()));
7677 #ifdef TARGET_NR_geteuid
7678 case TARGET_NR_geteuid
:
7679 ret
= get_errno(high2lowuid(geteuid()));
7682 #ifdef TARGET_NR_getegid
7683 case TARGET_NR_getegid
:
7684 ret
= get_errno(high2lowgid(getegid()));
7687 case TARGET_NR_setreuid
:
7688 ret
= get_errno(setreuid(low2highuid(arg1
), low2highuid(arg2
)));
7690 case TARGET_NR_setregid
:
7691 ret
= get_errno(setregid(low2highgid(arg1
), low2highgid(arg2
)));
7693 case TARGET_NR_getgroups
:
7695 int gidsetsize
= arg1
;
7696 target_id
*target_grouplist
;
7700 grouplist
= alloca(gidsetsize
* sizeof(gid_t
));
7701 ret
= get_errno(getgroups(gidsetsize
, grouplist
));
7702 if (gidsetsize
== 0)
7704 if (!is_error(ret
)) {
7705 target_grouplist
= lock_user(VERIFY_WRITE
, arg2
, gidsetsize
* sizeof(target_id
), 0);
7706 if (!target_grouplist
)
7708 for(i
= 0;i
< ret
; i
++)
7709 target_grouplist
[i
] = tswapid(high2lowgid(grouplist
[i
]));
7710 unlock_user(target_grouplist
, arg2
, gidsetsize
* sizeof(target_id
));
7714 case TARGET_NR_setgroups
:
7716 int gidsetsize
= arg1
;
7717 target_id
*target_grouplist
;
7718 gid_t
*grouplist
= NULL
;
7721 grouplist
= alloca(gidsetsize
* sizeof(gid_t
));
7722 target_grouplist
= lock_user(VERIFY_READ
, arg2
, gidsetsize
* sizeof(target_id
), 1);
7723 if (!target_grouplist
) {
7724 ret
= -TARGET_EFAULT
;
7727 for (i
= 0; i
< gidsetsize
; i
++) {
7728 grouplist
[i
] = low2highgid(tswapid(target_grouplist
[i
]));
7730 unlock_user(target_grouplist
, arg2
, 0);
7732 ret
= get_errno(setgroups(gidsetsize
, grouplist
));
7735 case TARGET_NR_fchown
:
7736 ret
= get_errno(fchown(arg1
, low2highuid(arg2
), low2highgid(arg3
)));
7738 #if defined(TARGET_NR_fchownat)
7739 case TARGET_NR_fchownat
:
7740 if (!(p
= lock_user_string(arg2
)))
7742 ret
= get_errno(fchownat(arg1
, p
, low2highuid(arg3
),
7743 low2highgid(arg4
), arg5
));
7744 unlock_user(p
, arg2
, 0);
7747 #ifdef TARGET_NR_setresuid
7748 case TARGET_NR_setresuid
:
7749 ret
= get_errno(setresuid(low2highuid(arg1
),
7751 low2highuid(arg3
)));
7754 #ifdef TARGET_NR_getresuid
7755 case TARGET_NR_getresuid
:
7757 uid_t ruid
, euid
, suid
;
7758 ret
= get_errno(getresuid(&ruid
, &euid
, &suid
));
7759 if (!is_error(ret
)) {
7760 if (put_user_u16(high2lowuid(ruid
), arg1
)
7761 || put_user_u16(high2lowuid(euid
), arg2
)
7762 || put_user_u16(high2lowuid(suid
), arg3
))
7768 #ifdef TARGET_NR_getresgid
7769 case TARGET_NR_setresgid
:
7770 ret
= get_errno(setresgid(low2highgid(arg1
),
7772 low2highgid(arg3
)));
7775 #ifdef TARGET_NR_getresgid
7776 case TARGET_NR_getresgid
:
7778 gid_t rgid
, egid
, sgid
;
7779 ret
= get_errno(getresgid(&rgid
, &egid
, &sgid
));
7780 if (!is_error(ret
)) {
7781 if (put_user_u16(high2lowgid(rgid
), arg1
)
7782 || put_user_u16(high2lowgid(egid
), arg2
)
7783 || put_user_u16(high2lowgid(sgid
), arg3
))
7789 case TARGET_NR_chown
:
7790 if (!(p
= lock_user_string(arg1
)))
7792 ret
= get_errno(chown(p
, low2highuid(arg2
), low2highgid(arg3
)));
7793 unlock_user(p
, arg1
, 0);
7795 case TARGET_NR_setuid
:
7796 ret
= get_errno(setuid(low2highuid(arg1
)));
7798 case TARGET_NR_setgid
:
7799 ret
= get_errno(setgid(low2highgid(arg1
)));
7801 case TARGET_NR_setfsuid
:
7802 ret
= get_errno(setfsuid(arg1
));
7804 case TARGET_NR_setfsgid
:
7805 ret
= get_errno(setfsgid(arg1
));
7808 #ifdef TARGET_NR_lchown32
7809 case TARGET_NR_lchown32
:
7810 if (!(p
= lock_user_string(arg1
)))
7812 ret
= get_errno(lchown(p
, arg2
, arg3
));
7813 unlock_user(p
, arg1
, 0);
7816 #ifdef TARGET_NR_getuid32
7817 case TARGET_NR_getuid32
:
7818 ret
= get_errno(getuid());
7822 #if defined(TARGET_NR_getxuid) && defined(TARGET_ALPHA)
7823 /* Alpha specific */
7824 case TARGET_NR_getxuid
:
7828 ((CPUAlphaState
*)cpu_env
)->ir
[IR_A4
]=euid
;
7830 ret
= get_errno(getuid());
7833 #if defined(TARGET_NR_getxgid) && defined(TARGET_ALPHA)
7834 /* Alpha specific */
7835 case TARGET_NR_getxgid
:
7839 ((CPUAlphaState
*)cpu_env
)->ir
[IR_A4
]=egid
;
7841 ret
= get_errno(getgid());
7844 #if defined(TARGET_NR_osf_getsysinfo) && defined(TARGET_ALPHA)
7845 /* Alpha specific */
7846 case TARGET_NR_osf_getsysinfo
:
7847 ret
= -TARGET_EOPNOTSUPP
;
7849 case TARGET_GSI_IEEE_FP_CONTROL
:
7851 uint64_t swcr
, fpcr
= cpu_alpha_load_fpcr (cpu_env
);
7853 /* Copied from linux ieee_fpcr_to_swcr. */
7854 swcr
= (fpcr
>> 35) & SWCR_STATUS_MASK
;
7855 swcr
|= (fpcr
>> 36) & SWCR_MAP_DMZ
;
7856 swcr
|= (~fpcr
>> 48) & (SWCR_TRAP_ENABLE_INV
7857 | SWCR_TRAP_ENABLE_DZE
7858 | SWCR_TRAP_ENABLE_OVF
);
7859 swcr
|= (~fpcr
>> 57) & (SWCR_TRAP_ENABLE_UNF
7860 | SWCR_TRAP_ENABLE_INE
);
7861 swcr
|= (fpcr
>> 47) & SWCR_MAP_UMZ
;
7862 swcr
|= (~fpcr
>> 41) & SWCR_TRAP_ENABLE_DNO
;
7864 if (put_user_u64 (swcr
, arg2
))
7870 /* case GSI_IEEE_STATE_AT_SIGNAL:
7871 -- Not implemented in linux kernel.
7873 -- Retrieves current unaligned access state; not much used.
7875 -- Retrieves implver information; surely not used.
7877 -- Grabs a copy of the HWRPB; surely not used.
7882 #if defined(TARGET_NR_osf_setsysinfo) && defined(TARGET_ALPHA)
7883 /* Alpha specific */
7884 case TARGET_NR_osf_setsysinfo
:
7885 ret
= -TARGET_EOPNOTSUPP
;
7887 case TARGET_SSI_IEEE_FP_CONTROL
:
7889 uint64_t swcr
, fpcr
, orig_fpcr
;
7891 if (get_user_u64 (swcr
, arg2
)) {
7894 orig_fpcr
= cpu_alpha_load_fpcr(cpu_env
);
7895 fpcr
= orig_fpcr
& FPCR_DYN_MASK
;
7897 /* Copied from linux ieee_swcr_to_fpcr. */
7898 fpcr
|= (swcr
& SWCR_STATUS_MASK
) << 35;
7899 fpcr
|= (swcr
& SWCR_MAP_DMZ
) << 36;
7900 fpcr
|= (~swcr
& (SWCR_TRAP_ENABLE_INV
7901 | SWCR_TRAP_ENABLE_DZE
7902 | SWCR_TRAP_ENABLE_OVF
)) << 48;
7903 fpcr
|= (~swcr
& (SWCR_TRAP_ENABLE_UNF
7904 | SWCR_TRAP_ENABLE_INE
)) << 57;
7905 fpcr
|= (swcr
& SWCR_MAP_UMZ
? FPCR_UNDZ
| FPCR_UNFD
: 0);
7906 fpcr
|= (~swcr
& SWCR_TRAP_ENABLE_DNO
) << 41;
7908 cpu_alpha_store_fpcr(cpu_env
, fpcr
);
7913 case TARGET_SSI_IEEE_RAISE_EXCEPTION
:
7915 uint64_t exc
, fpcr
, orig_fpcr
;
7918 if (get_user_u64(exc
, arg2
)) {
7922 orig_fpcr
= cpu_alpha_load_fpcr(cpu_env
);
7924 /* We only add to the exception status here. */
7925 fpcr
= orig_fpcr
| ((exc
& SWCR_STATUS_MASK
) << 35);
7927 cpu_alpha_store_fpcr(cpu_env
, fpcr
);
7930 /* Old exceptions are not signaled. */
7931 fpcr
&= ~(orig_fpcr
& FPCR_STATUS_MASK
);
7933 /* If any exceptions set by this call,
7934 and are unmasked, send a signal. */
7936 if ((fpcr
& (FPCR_INE
| FPCR_INED
)) == FPCR_INE
) {
7937 si_code
= TARGET_FPE_FLTRES
;
7939 if ((fpcr
& (FPCR_UNF
| FPCR_UNFD
)) == FPCR_UNF
) {
7940 si_code
= TARGET_FPE_FLTUND
;
7942 if ((fpcr
& (FPCR_OVF
| FPCR_OVFD
)) == FPCR_OVF
) {
7943 si_code
= TARGET_FPE_FLTOVF
;
7945 if ((fpcr
& (FPCR_DZE
| FPCR_DZED
)) == FPCR_DZE
) {
7946 si_code
= TARGET_FPE_FLTDIV
;
7948 if ((fpcr
& (FPCR_INV
| FPCR_INVD
)) == FPCR_INV
) {
7949 si_code
= TARGET_FPE_FLTINV
;
7952 target_siginfo_t info
;
7953 info
.si_signo
= SIGFPE
;
7955 info
.si_code
= si_code
;
7956 info
._sifields
._sigfault
._addr
7957 = ((CPUArchState
*)cpu_env
)->pc
;
7958 queue_signal((CPUArchState
*)cpu_env
, info
.si_signo
, &info
);
7963 /* case SSI_NVPAIRS:
7964 -- Used with SSIN_UACPROC to enable unaligned accesses.
7965 case SSI_IEEE_STATE_AT_SIGNAL:
7966 case SSI_IEEE_IGNORE_STATE_AT_SIGNAL:
7967 -- Not implemented in linux kernel
7972 #ifdef TARGET_NR_osf_sigprocmask
7973 /* Alpha specific. */
7974 case TARGET_NR_osf_sigprocmask
:
7978 sigset_t set
, oldset
;
7981 case TARGET_SIG_BLOCK
:
7984 case TARGET_SIG_UNBLOCK
:
7987 case TARGET_SIG_SETMASK
:
7991 ret
= -TARGET_EINVAL
;
7995 target_to_host_old_sigset(&set
, &mask
);
7996 sigprocmask(how
, &set
, &oldset
);
7997 host_to_target_old_sigset(&mask
, &oldset
);
8003 #ifdef TARGET_NR_getgid32
8004 case TARGET_NR_getgid32
:
8005 ret
= get_errno(getgid());
8008 #ifdef TARGET_NR_geteuid32
8009 case TARGET_NR_geteuid32
:
8010 ret
= get_errno(geteuid());
8013 #ifdef TARGET_NR_getegid32
8014 case TARGET_NR_getegid32
:
8015 ret
= get_errno(getegid());
8018 #ifdef TARGET_NR_setreuid32
8019 case TARGET_NR_setreuid32
:
8020 ret
= get_errno(setreuid(arg1
, arg2
));
8023 #ifdef TARGET_NR_setregid32
8024 case TARGET_NR_setregid32
:
8025 ret
= get_errno(setregid(arg1
, arg2
));
8028 #ifdef TARGET_NR_getgroups32
8029 case TARGET_NR_getgroups32
:
8031 int gidsetsize
= arg1
;
8032 uint32_t *target_grouplist
;
8036 grouplist
= alloca(gidsetsize
* sizeof(gid_t
));
8037 ret
= get_errno(getgroups(gidsetsize
, grouplist
));
8038 if (gidsetsize
== 0)
8040 if (!is_error(ret
)) {
8041 target_grouplist
= lock_user(VERIFY_WRITE
, arg2
, gidsetsize
* 4, 0);
8042 if (!target_grouplist
) {
8043 ret
= -TARGET_EFAULT
;
8046 for(i
= 0;i
< ret
; i
++)
8047 target_grouplist
[i
] = tswap32(grouplist
[i
]);
8048 unlock_user(target_grouplist
, arg2
, gidsetsize
* 4);
8053 #ifdef TARGET_NR_setgroups32
8054 case TARGET_NR_setgroups32
:
8056 int gidsetsize
= arg1
;
8057 uint32_t *target_grouplist
;
8061 grouplist
= alloca(gidsetsize
* sizeof(gid_t
));
8062 target_grouplist
= lock_user(VERIFY_READ
, arg2
, gidsetsize
* 4, 1);
8063 if (!target_grouplist
) {
8064 ret
= -TARGET_EFAULT
;
8067 for(i
= 0;i
< gidsetsize
; i
++)
8068 grouplist
[i
] = tswap32(target_grouplist
[i
]);
8069 unlock_user(target_grouplist
, arg2
, 0);
8070 ret
= get_errno(setgroups(gidsetsize
, grouplist
));
8074 #ifdef TARGET_NR_fchown32
8075 case TARGET_NR_fchown32
:
8076 ret
= get_errno(fchown(arg1
, arg2
, arg3
));
8079 #ifdef TARGET_NR_setresuid32
8080 case TARGET_NR_setresuid32
:
8081 ret
= get_errno(setresuid(arg1
, arg2
, arg3
));
8084 #ifdef TARGET_NR_getresuid32
8085 case TARGET_NR_getresuid32
:
8087 uid_t ruid
, euid
, suid
;
8088 ret
= get_errno(getresuid(&ruid
, &euid
, &suid
));
8089 if (!is_error(ret
)) {
8090 if (put_user_u32(ruid
, arg1
)
8091 || put_user_u32(euid
, arg2
)
8092 || put_user_u32(suid
, arg3
))
8098 #ifdef TARGET_NR_setresgid32
8099 case TARGET_NR_setresgid32
:
8100 ret
= get_errno(setresgid(arg1
, arg2
, arg3
));
8103 #ifdef TARGET_NR_getresgid32
8104 case TARGET_NR_getresgid32
:
8106 gid_t rgid
, egid
, sgid
;
8107 ret
= get_errno(getresgid(&rgid
, &egid
, &sgid
));
8108 if (!is_error(ret
)) {
8109 if (put_user_u32(rgid
, arg1
)
8110 || put_user_u32(egid
, arg2
)
8111 || put_user_u32(sgid
, arg3
))
8117 #ifdef TARGET_NR_chown32
8118 case TARGET_NR_chown32
:
8119 if (!(p
= lock_user_string(arg1
)))
8121 ret
= get_errno(chown(p
, arg2
, arg3
));
8122 unlock_user(p
, arg1
, 0);
8125 #ifdef TARGET_NR_setuid32
8126 case TARGET_NR_setuid32
:
8127 ret
= get_errno(setuid(arg1
));
8130 #ifdef TARGET_NR_setgid32
8131 case TARGET_NR_setgid32
:
8132 ret
= get_errno(setgid(arg1
));
8135 #ifdef TARGET_NR_setfsuid32
8136 case TARGET_NR_setfsuid32
:
8137 ret
= get_errno(setfsuid(arg1
));
8140 #ifdef TARGET_NR_setfsgid32
8141 case TARGET_NR_setfsgid32
:
8142 ret
= get_errno(setfsgid(arg1
));
8146 case TARGET_NR_pivot_root
:
8148 #ifdef TARGET_NR_mincore
8149 case TARGET_NR_mincore
:
8152 ret
= -TARGET_EFAULT
;
8153 if (!(a
= lock_user(VERIFY_READ
, arg1
,arg2
, 0)))
8155 if (!(p
= lock_user_string(arg3
)))
8157 ret
= get_errno(mincore(a
, arg2
, p
));
8158 unlock_user(p
, arg3
, ret
);
8160 unlock_user(a
, arg1
, 0);
8164 #ifdef TARGET_NR_arm_fadvise64_64
8165 case TARGET_NR_arm_fadvise64_64
:
8168 * arm_fadvise64_64 looks like fadvise64_64 but
8169 * with different argument order
8177 #if defined(TARGET_NR_fadvise64_64) || defined(TARGET_NR_arm_fadvise64_64) || defined(TARGET_NR_fadvise64)
8178 #ifdef TARGET_NR_fadvise64_64
8179 case TARGET_NR_fadvise64_64
:
8181 #ifdef TARGET_NR_fadvise64
8182 case TARGET_NR_fadvise64
:
8186 case 4: arg4
= POSIX_FADV_NOREUSE
+ 1; break; /* make sure it's an invalid value */
8187 case 5: arg4
= POSIX_FADV_NOREUSE
+ 2; break; /* ditto */
8188 case 6: arg4
= POSIX_FADV_DONTNEED
; break;
8189 case 7: arg4
= POSIX_FADV_NOREUSE
; break;
8193 ret
= -posix_fadvise(arg1
, arg2
, arg3
, arg4
);
8196 #ifdef TARGET_NR_madvise
8197 case TARGET_NR_madvise
:
8198 /* A straight passthrough may not be safe because qemu sometimes
8199 turns private file-backed mappings into anonymous mappings.
8200 This will break MADV_DONTNEED.
8201 This is a hint, so ignoring and returning success is ok. */
8205 #if TARGET_ABI_BITS == 32
8206 case TARGET_NR_fcntl64
:
8210 struct target_flock64
*target_fl
;
8212 struct target_eabi_flock64
*target_efl
;
8215 cmd
= target_to_host_fcntl_cmd(arg2
);
8216 if (cmd
== -TARGET_EINVAL
) {
8222 case TARGET_F_GETLK64
:
8224 if (((CPUARMState
*)cpu_env
)->eabi
) {
8225 if (!lock_user_struct(VERIFY_READ
, target_efl
, arg3
, 1))
8227 fl
.l_type
= tswap16(target_efl
->l_type
);
8228 fl
.l_whence
= tswap16(target_efl
->l_whence
);
8229 fl
.l_start
= tswap64(target_efl
->l_start
);
8230 fl
.l_len
= tswap64(target_efl
->l_len
);
8231 fl
.l_pid
= tswap32(target_efl
->l_pid
);
8232 unlock_user_struct(target_efl
, arg3
, 0);
8236 if (!lock_user_struct(VERIFY_READ
, target_fl
, arg3
, 1))
8238 fl
.l_type
= tswap16(target_fl
->l_type
);
8239 fl
.l_whence
= tswap16(target_fl
->l_whence
);
8240 fl
.l_start
= tswap64(target_fl
->l_start
);
8241 fl
.l_len
= tswap64(target_fl
->l_len
);
8242 fl
.l_pid
= tswap32(target_fl
->l_pid
);
8243 unlock_user_struct(target_fl
, arg3
, 0);
8245 ret
= get_errno(fcntl(arg1
, cmd
, &fl
));
8248 if (((CPUARMState
*)cpu_env
)->eabi
) {
8249 if (!lock_user_struct(VERIFY_WRITE
, target_efl
, arg3
, 0))
8251 target_efl
->l_type
= tswap16(fl
.l_type
);
8252 target_efl
->l_whence
= tswap16(fl
.l_whence
);
8253 target_efl
->l_start
= tswap64(fl
.l_start
);
8254 target_efl
->l_len
= tswap64(fl
.l_len
);
8255 target_efl
->l_pid
= tswap32(fl
.l_pid
);
8256 unlock_user_struct(target_efl
, arg3
, 1);
8260 if (!lock_user_struct(VERIFY_WRITE
, target_fl
, arg3
, 0))
8262 target_fl
->l_type
= tswap16(fl
.l_type
);
8263 target_fl
->l_whence
= tswap16(fl
.l_whence
);
8264 target_fl
->l_start
= tswap64(fl
.l_start
);
8265 target_fl
->l_len
= tswap64(fl
.l_len
);
8266 target_fl
->l_pid
= tswap32(fl
.l_pid
);
8267 unlock_user_struct(target_fl
, arg3
, 1);
8272 case TARGET_F_SETLK64
:
8273 case TARGET_F_SETLKW64
:
8275 if (((CPUARMState
*)cpu_env
)->eabi
) {
8276 if (!lock_user_struct(VERIFY_READ
, target_efl
, arg3
, 1))
8278 fl
.l_type
= tswap16(target_efl
->l_type
);
8279 fl
.l_whence
= tswap16(target_efl
->l_whence
);
8280 fl
.l_start
= tswap64(target_efl
->l_start
);
8281 fl
.l_len
= tswap64(target_efl
->l_len
);
8282 fl
.l_pid
= tswap32(target_efl
->l_pid
);
8283 unlock_user_struct(target_efl
, arg3
, 0);
8287 if (!lock_user_struct(VERIFY_READ
, target_fl
, arg3
, 1))
8289 fl
.l_type
= tswap16(target_fl
->l_type
);
8290 fl
.l_whence
= tswap16(target_fl
->l_whence
);
8291 fl
.l_start
= tswap64(target_fl
->l_start
);
8292 fl
.l_len
= tswap64(target_fl
->l_len
);
8293 fl
.l_pid
= tswap32(target_fl
->l_pid
);
8294 unlock_user_struct(target_fl
, arg3
, 0);
8296 ret
= get_errno(fcntl(arg1
, cmd
, &fl
));
8299 ret
= do_fcntl(arg1
, arg2
, arg3
);
8305 #ifdef TARGET_NR_cacheflush
8306 case TARGET_NR_cacheflush
:
8307 /* self-modifying code is handled automatically, so nothing needed */
8311 #ifdef TARGET_NR_security
8312 case TARGET_NR_security
:
8315 #ifdef TARGET_NR_getpagesize
8316 case TARGET_NR_getpagesize
:
8317 ret
= TARGET_PAGE_SIZE
;
8320 case TARGET_NR_gettid
:
8321 ret
= get_errno(gettid());
8323 #ifdef TARGET_NR_readahead
8324 case TARGET_NR_readahead
:
8325 #if TARGET_ABI_BITS == 32
8326 if (regpairs_aligned(cpu_env
)) {
8331 ret
= get_errno(readahead(arg1
, ((off64_t
)arg3
<< 32) | arg2
, arg4
));
8333 ret
= get_errno(readahead(arg1
, arg2
, arg3
));
8338 #ifdef TARGET_NR_setxattr
8339 case TARGET_NR_listxattr
:
8340 case TARGET_NR_llistxattr
:
8344 b
= lock_user(VERIFY_WRITE
, arg2
, arg3
, 0);
8346 ret
= -TARGET_EFAULT
;
8350 p
= lock_user_string(arg1
);
8352 if (num
== TARGET_NR_listxattr
) {
8353 ret
= get_errno(listxattr(p
, b
, arg3
));
8355 ret
= get_errno(llistxattr(p
, b
, arg3
));
8358 ret
= -TARGET_EFAULT
;
8360 unlock_user(p
, arg1
, 0);
8361 unlock_user(b
, arg2
, arg3
);
8364 case TARGET_NR_flistxattr
:
8368 b
= lock_user(VERIFY_WRITE
, arg2
, arg3
, 0);
8370 ret
= -TARGET_EFAULT
;
8374 ret
= get_errno(flistxattr(arg1
, b
, arg3
));
8375 unlock_user(b
, arg2
, arg3
);
8378 case TARGET_NR_setxattr
:
8379 case TARGET_NR_lsetxattr
:
8381 void *p
, *n
, *v
= 0;
8383 v
= lock_user(VERIFY_READ
, arg3
, arg4
, 1);
8385 ret
= -TARGET_EFAULT
;
8389 p
= lock_user_string(arg1
);
8390 n
= lock_user_string(arg2
);
8392 if (num
== TARGET_NR_setxattr
) {
8393 ret
= get_errno(setxattr(p
, n
, v
, arg4
, arg5
));
8395 ret
= get_errno(lsetxattr(p
, n
, v
, arg4
, arg5
));
8398 ret
= -TARGET_EFAULT
;
8400 unlock_user(p
, arg1
, 0);
8401 unlock_user(n
, arg2
, 0);
8402 unlock_user(v
, arg3
, 0);
8405 case TARGET_NR_fsetxattr
:
8409 v
= lock_user(VERIFY_READ
, arg3
, arg4
, 1);
8411 ret
= -TARGET_EFAULT
;
8415 n
= lock_user_string(arg2
);
8417 ret
= get_errno(fsetxattr(arg1
, n
, v
, arg4
, arg5
));
8419 ret
= -TARGET_EFAULT
;
8421 unlock_user(n
, arg2
, 0);
8422 unlock_user(v
, arg3
, 0);
8425 case TARGET_NR_getxattr
:
8426 case TARGET_NR_lgetxattr
:
8428 void *p
, *n
, *v
= 0;
8430 v
= lock_user(VERIFY_WRITE
, arg3
, arg4
, 0);
8432 ret
= -TARGET_EFAULT
;
8436 p
= lock_user_string(arg1
);
8437 n
= lock_user_string(arg2
);
8439 if (num
== TARGET_NR_getxattr
) {
8440 ret
= get_errno(getxattr(p
, n
, v
, arg4
));
8442 ret
= get_errno(lgetxattr(p
, n
, v
, arg4
));
8445 ret
= -TARGET_EFAULT
;
8447 unlock_user(p
, arg1
, 0);
8448 unlock_user(n
, arg2
, 0);
8449 unlock_user(v
, arg3
, arg4
);
8452 case TARGET_NR_fgetxattr
:
8456 v
= lock_user(VERIFY_WRITE
, arg3
, arg4
, 0);
8458 ret
= -TARGET_EFAULT
;
8462 n
= lock_user_string(arg2
);
8464 ret
= get_errno(fgetxattr(arg1
, n
, v
, arg4
));
8466 ret
= -TARGET_EFAULT
;
8468 unlock_user(n
, arg2
, 0);
8469 unlock_user(v
, arg3
, arg4
);
8472 case TARGET_NR_removexattr
:
8473 case TARGET_NR_lremovexattr
:
8476 p
= lock_user_string(arg1
);
8477 n
= lock_user_string(arg2
);
8479 if (num
== TARGET_NR_removexattr
) {
8480 ret
= get_errno(removexattr(p
, n
));
8482 ret
= get_errno(lremovexattr(p
, n
));
8485 ret
= -TARGET_EFAULT
;
8487 unlock_user(p
, arg1
, 0);
8488 unlock_user(n
, arg2
, 0);
8491 case TARGET_NR_fremovexattr
:
8494 n
= lock_user_string(arg2
);
8496 ret
= get_errno(fremovexattr(arg1
, n
));
8498 ret
= -TARGET_EFAULT
;
8500 unlock_user(n
, arg2
, 0);
8504 #endif /* CONFIG_ATTR */
8505 #ifdef TARGET_NR_set_thread_area
8506 case TARGET_NR_set_thread_area
:
8507 #if defined(TARGET_MIPS)
8508 ((CPUMIPSState
*) cpu_env
)->tls_value
= arg1
;
8511 #elif defined(TARGET_CRIS)
8513 ret
= -TARGET_EINVAL
;
8515 ((CPUCRISState
*) cpu_env
)->pregs
[PR_PID
] = arg1
;
8519 #elif defined(TARGET_I386) && defined(TARGET_ABI32)
8520 ret
= do_set_thread_area(cpu_env
, arg1
);
8522 #elif defined(TARGET_M68K)
8524 TaskState
*ts
= ((CPUArchState
*)cpu_env
)->opaque
;
8525 ts
->tp_value
= arg1
;
8529 goto unimplemented_nowarn
;
8532 #ifdef TARGET_NR_get_thread_area
8533 case TARGET_NR_get_thread_area
:
8534 #if defined(TARGET_I386) && defined(TARGET_ABI32)
8535 ret
= do_get_thread_area(cpu_env
, arg1
);
8537 #elif defined(TARGET_M68K)
8539 TaskState
*ts
= ((CPUArchState
*)cpu_env
)->opaque
;
8544 goto unimplemented_nowarn
;
8547 #ifdef TARGET_NR_getdomainname
8548 case TARGET_NR_getdomainname
:
8549 goto unimplemented_nowarn
;
8552 #ifdef TARGET_NR_clock_gettime
8553 case TARGET_NR_clock_gettime
:
8556 ret
= get_errno(clock_gettime(arg1
, &ts
));
8557 if (!is_error(ret
)) {
8558 host_to_target_timespec(arg2
, &ts
);
8563 #ifdef TARGET_NR_clock_getres
8564 case TARGET_NR_clock_getres
:
8567 ret
= get_errno(clock_getres(arg1
, &ts
));
8568 if (!is_error(ret
)) {
8569 host_to_target_timespec(arg2
, &ts
);
8574 #ifdef TARGET_NR_clock_nanosleep
8575 case TARGET_NR_clock_nanosleep
:
8578 target_to_host_timespec(&ts
, arg3
);
8579 ret
= get_errno(clock_nanosleep(arg1
, arg2
, &ts
, arg4
? &ts
: NULL
));
8581 host_to_target_timespec(arg4
, &ts
);
8586 #if defined(TARGET_NR_set_tid_address) && defined(__NR_set_tid_address)
8587 case TARGET_NR_set_tid_address
:
8588 ret
= get_errno(set_tid_address((int *)g2h(arg1
)));
8592 #if defined(TARGET_NR_tkill) && defined(__NR_tkill)
8593 case TARGET_NR_tkill
:
8594 ret
= get_errno(sys_tkill((int)arg1
, target_to_host_signal(arg2
)));
8598 #if defined(TARGET_NR_tgkill) && defined(__NR_tgkill)
8599 case TARGET_NR_tgkill
:
8600 ret
= get_errno(sys_tgkill((int)arg1
, (int)arg2
,
8601 target_to_host_signal(arg3
)));
8605 #ifdef TARGET_NR_set_robust_list
8606 case TARGET_NR_set_robust_list
:
8607 case TARGET_NR_get_robust_list
:
8608 /* The ABI for supporting robust futexes has userspace pass
8609 * the kernel a pointer to a linked list which is updated by
8610 * userspace after the syscall; the list is walked by the kernel
8611 * when the thread exits. Since the linked list in QEMU guest
8612 * memory isn't a valid linked list for the host and we have
8613 * no way to reliably intercept the thread-death event, we can't
8614 * support these. Silently return ENOSYS so that guest userspace
8615 * falls back to a non-robust futex implementation (which should
8616 * be OK except in the corner case of the guest crashing while
8617 * holding a mutex that is shared with another process via
8620 goto unimplemented_nowarn
;
8623 #if defined(TARGET_NR_utimensat)
8624 case TARGET_NR_utimensat
:
8626 struct timespec
*tsp
, ts
[2];
8630 target_to_host_timespec(ts
, arg3
);
8631 target_to_host_timespec(ts
+1, arg3
+sizeof(struct target_timespec
));
8635 ret
= get_errno(sys_utimensat(arg1
, NULL
, tsp
, arg4
));
8637 if (!(p
= lock_user_string(arg2
))) {
8638 ret
= -TARGET_EFAULT
;
8641 ret
= get_errno(sys_utimensat(arg1
, path(p
), tsp
, arg4
));
8642 unlock_user(p
, arg2
, 0);
8647 case TARGET_NR_futex
:
8648 ret
= do_futex(arg1
, arg2
, arg3
, arg4
, arg5
, arg6
);
8650 #if defined(TARGET_NR_inotify_init) && defined(__NR_inotify_init)
8651 case TARGET_NR_inotify_init
:
8652 ret
= get_errno(sys_inotify_init());
8655 #ifdef CONFIG_INOTIFY1
8656 #if defined(TARGET_NR_inotify_init1) && defined(__NR_inotify_init1)
8657 case TARGET_NR_inotify_init1
:
8658 ret
= get_errno(sys_inotify_init1(arg1
));
8662 #if defined(TARGET_NR_inotify_add_watch) && defined(__NR_inotify_add_watch)
8663 case TARGET_NR_inotify_add_watch
:
8664 p
= lock_user_string(arg2
);
8665 ret
= get_errno(sys_inotify_add_watch(arg1
, path(p
), arg3
));
8666 unlock_user(p
, arg2
, 0);
8669 #if defined(TARGET_NR_inotify_rm_watch) && defined(__NR_inotify_rm_watch)
8670 case TARGET_NR_inotify_rm_watch
:
8671 ret
= get_errno(sys_inotify_rm_watch(arg1
, arg2
));
8675 #if defined(TARGET_NR_mq_open) && defined(__NR_mq_open)
8676 case TARGET_NR_mq_open
:
8678 struct mq_attr posix_mq_attr
;
8680 p
= lock_user_string(arg1
- 1);
8682 copy_from_user_mq_attr (&posix_mq_attr
, arg4
);
8683 ret
= get_errno(mq_open(p
, arg2
, arg3
, &posix_mq_attr
));
8684 unlock_user (p
, arg1
, 0);
8688 case TARGET_NR_mq_unlink
:
8689 p
= lock_user_string(arg1
- 1);
8690 ret
= get_errno(mq_unlink(p
));
8691 unlock_user (p
, arg1
, 0);
8694 case TARGET_NR_mq_timedsend
:
8698 p
= lock_user (VERIFY_READ
, arg2
, arg3
, 1);
8700 target_to_host_timespec(&ts
, arg5
);
8701 ret
= get_errno(mq_timedsend(arg1
, p
, arg3
, arg4
, &ts
));
8702 host_to_target_timespec(arg5
, &ts
);
8705 ret
= get_errno(mq_send(arg1
, p
, arg3
, arg4
));
8706 unlock_user (p
, arg2
, arg3
);
8710 case TARGET_NR_mq_timedreceive
:
8715 p
= lock_user (VERIFY_READ
, arg2
, arg3
, 1);
8717 target_to_host_timespec(&ts
, arg5
);
8718 ret
= get_errno(mq_timedreceive(arg1
, p
, arg3
, &prio
, &ts
));
8719 host_to_target_timespec(arg5
, &ts
);
8722 ret
= get_errno(mq_receive(arg1
, p
, arg3
, &prio
));
8723 unlock_user (p
, arg2
, arg3
);
8725 put_user_u32(prio
, arg4
);
8729 /* Not implemented for now... */
8730 /* case TARGET_NR_mq_notify: */
8733 case TARGET_NR_mq_getsetattr
:
8735 struct mq_attr posix_mq_attr_in
, posix_mq_attr_out
;
8738 ret
= mq_getattr(arg1
, &posix_mq_attr_out
);
8739 copy_to_user_mq_attr(arg3
, &posix_mq_attr_out
);
8742 copy_from_user_mq_attr(&posix_mq_attr_in
, arg2
);
8743 ret
|= mq_setattr(arg1
, &posix_mq_attr_in
, &posix_mq_attr_out
);
8750 #ifdef CONFIG_SPLICE
8751 #ifdef TARGET_NR_tee
8754 ret
= get_errno(tee(arg1
,arg2
,arg3
,arg4
));
8758 #ifdef TARGET_NR_splice
8759 case TARGET_NR_splice
:
8761 loff_t loff_in
, loff_out
;
8762 loff_t
*ploff_in
= NULL
, *ploff_out
= NULL
;
8764 get_user_u64(loff_in
, arg2
);
8765 ploff_in
= &loff_in
;
8768 get_user_u64(loff_out
, arg2
);
8769 ploff_out
= &loff_out
;
8771 ret
= get_errno(splice(arg1
, ploff_in
, arg3
, ploff_out
, arg5
, arg6
));
8775 #ifdef TARGET_NR_vmsplice
8776 case TARGET_NR_vmsplice
:
8778 struct iovec
*vec
= lock_iovec(VERIFY_READ
, arg2
, arg3
, 1);
8780 ret
= get_errno(vmsplice(arg1
, vec
, arg3
, arg4
));
8781 unlock_iovec(vec
, arg2
, arg3
, 0);
8783 ret
= -host_to_target_errno(errno
);
8788 #endif /* CONFIG_SPLICE */
8789 #ifdef CONFIG_EVENTFD
8790 #if defined(TARGET_NR_eventfd)
8791 case TARGET_NR_eventfd
:
8792 ret
= get_errno(eventfd(arg1
, 0));
8795 #if defined(TARGET_NR_eventfd2)
8796 case TARGET_NR_eventfd2
:
8798 int host_flags
= arg2
& (~(TARGET_O_NONBLOCK
| TARGET_O_CLOEXEC
));
8799 if (arg2
& TARGET_O_NONBLOCK
) {
8800 host_flags
|= O_NONBLOCK
;
8802 if (arg2
& TARGET_O_CLOEXEC
) {
8803 host_flags
|= O_CLOEXEC
;
8805 ret
= get_errno(eventfd(arg1
, host_flags
));
8809 #endif /* CONFIG_EVENTFD */
8810 #if defined(CONFIG_FALLOCATE) && defined(TARGET_NR_fallocate)
8811 case TARGET_NR_fallocate
:
8812 #if TARGET_ABI_BITS == 32
8813 ret
= get_errno(fallocate(arg1
, arg2
, target_offset64(arg3
, arg4
),
8814 target_offset64(arg5
, arg6
)));
8816 ret
= get_errno(fallocate(arg1
, arg2
, arg3
, arg4
));
8820 #if defined(CONFIG_SYNC_FILE_RANGE)
8821 #if defined(TARGET_NR_sync_file_range)
8822 case TARGET_NR_sync_file_range
:
8823 #if TARGET_ABI_BITS == 32
8824 #if defined(TARGET_MIPS)
8825 ret
= get_errno(sync_file_range(arg1
, target_offset64(arg3
, arg4
),
8826 target_offset64(arg5
, arg6
), arg7
));
8828 ret
= get_errno(sync_file_range(arg1
, target_offset64(arg2
, arg3
),
8829 target_offset64(arg4
, arg5
), arg6
));
8830 #endif /* !TARGET_MIPS */
8832 ret
= get_errno(sync_file_range(arg1
, arg2
, arg3
, arg4
));
8836 #if defined(TARGET_NR_sync_file_range2)
8837 case TARGET_NR_sync_file_range2
:
8838 /* This is like sync_file_range but the arguments are reordered */
8839 #if TARGET_ABI_BITS == 32
8840 ret
= get_errno(sync_file_range(arg1
, target_offset64(arg3
, arg4
),
8841 target_offset64(arg5
, arg6
), arg2
));
8843 ret
= get_errno(sync_file_range(arg1
, arg3
, arg4
, arg2
));
8848 #if defined(CONFIG_EPOLL)
8849 #if defined(TARGET_NR_epoll_create)
8850 case TARGET_NR_epoll_create
:
8851 ret
= get_errno(epoll_create(arg1
));
8854 #if defined(TARGET_NR_epoll_create1) && defined(CONFIG_EPOLL_CREATE1)
8855 case TARGET_NR_epoll_create1
:
8856 ret
= get_errno(epoll_create1(arg1
));
8859 #if defined(TARGET_NR_epoll_ctl)
8860 case TARGET_NR_epoll_ctl
:
8862 struct epoll_event ep
;
8863 struct epoll_event
*epp
= 0;
8865 struct target_epoll_event
*target_ep
;
8866 if (!lock_user_struct(VERIFY_READ
, target_ep
, arg4
, 1)) {
8869 ep
.events
= tswap32(target_ep
->events
);
8870 /* The epoll_data_t union is just opaque data to the kernel,
8871 * so we transfer all 64 bits across and need not worry what
8872 * actual data type it is.
8874 ep
.data
.u64
= tswap64(target_ep
->data
.u64
);
8875 unlock_user_struct(target_ep
, arg4
, 0);
8878 ret
= get_errno(epoll_ctl(arg1
, arg2
, arg3
, epp
));
8883 #if defined(TARGET_NR_epoll_pwait) && defined(CONFIG_EPOLL_PWAIT)
8884 #define IMPLEMENT_EPOLL_PWAIT
8886 #if defined(TARGET_NR_epoll_wait) || defined(IMPLEMENT_EPOLL_PWAIT)
8887 #if defined(TARGET_NR_epoll_wait)
8888 case TARGET_NR_epoll_wait
:
8890 #if defined(IMPLEMENT_EPOLL_PWAIT)
8891 case TARGET_NR_epoll_pwait
:
8894 struct target_epoll_event
*target_ep
;
8895 struct epoll_event
*ep
;
8897 int maxevents
= arg3
;
8900 target_ep
= lock_user(VERIFY_WRITE
, arg2
,
8901 maxevents
* sizeof(struct target_epoll_event
), 1);
8906 ep
= alloca(maxevents
* sizeof(struct epoll_event
));
8909 #if defined(IMPLEMENT_EPOLL_PWAIT)
8910 case TARGET_NR_epoll_pwait
:
8912 target_sigset_t
*target_set
;
8913 sigset_t _set
, *set
= &_set
;
8916 target_set
= lock_user(VERIFY_READ
, arg5
,
8917 sizeof(target_sigset_t
), 1);
8919 unlock_user(target_ep
, arg2
, 0);
8922 target_to_host_sigset(set
, target_set
);
8923 unlock_user(target_set
, arg5
, 0);
8928 ret
= get_errno(epoll_pwait(epfd
, ep
, maxevents
, timeout
, set
));
8932 #if defined(TARGET_NR_epoll_wait)
8933 case TARGET_NR_epoll_wait
:
8934 ret
= get_errno(epoll_wait(epfd
, ep
, maxevents
, timeout
));
8938 ret
= -TARGET_ENOSYS
;
8940 if (!is_error(ret
)) {
8942 for (i
= 0; i
< ret
; i
++) {
8943 target_ep
[i
].events
= tswap32(ep
[i
].events
);
8944 target_ep
[i
].data
.u64
= tswap64(ep
[i
].data
.u64
);
8947 unlock_user(target_ep
, arg2
, ret
* sizeof(struct target_epoll_event
));
8952 #ifdef TARGET_NR_prlimit64
8953 case TARGET_NR_prlimit64
:
8955 /* args: pid, resource number, ptr to new rlimit, ptr to old rlimit */
8956 struct target_rlimit64
*target_rnew
, *target_rold
;
8957 struct host_rlimit64 rnew
, rold
, *rnewp
= 0;
8959 if (!lock_user_struct(VERIFY_READ
, target_rnew
, arg3
, 1)) {
8962 rnew
.rlim_cur
= tswap64(target_rnew
->rlim_cur
);
8963 rnew
.rlim_max
= tswap64(target_rnew
->rlim_max
);
8964 unlock_user_struct(target_rnew
, arg3
, 0);
8968 ret
= get_errno(sys_prlimit64(arg1
, arg2
, rnewp
, arg4
? &rold
: 0));
8969 if (!is_error(ret
) && arg4
) {
8970 if (!lock_user_struct(VERIFY_WRITE
, target_rold
, arg4
, 1)) {
8973 target_rold
->rlim_cur
= tswap64(rold
.rlim_cur
);
8974 target_rold
->rlim_max
= tswap64(rold
.rlim_max
);
8975 unlock_user_struct(target_rold
, arg4
, 1);
8980 #ifdef TARGET_NR_gethostname
8981 case TARGET_NR_gethostname
:
8983 char *name
= lock_user(VERIFY_WRITE
, arg1
, arg2
, 0);
8985 ret
= get_errno(gethostname(name
, arg2
));
8986 unlock_user(name
, arg1
, arg2
);
8988 ret
= -TARGET_EFAULT
;
8995 gemu_log("qemu: Unsupported syscall: %d\n", num
);
8996 #if defined(TARGET_NR_setxattr) || defined(TARGET_NR_get_thread_area) || defined(TARGET_NR_getdomainname) || defined(TARGET_NR_set_robust_list)
8997 unimplemented_nowarn
:
8999 ret
= -TARGET_ENOSYS
;
9004 gemu_log(" = " TARGET_ABI_FMT_ld
"\n", ret
);
9007 print_syscall_ret(num
, ret
);
9010 ret
= -TARGET_EFAULT
;