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
20 #include "qemu/osdep.h"
21 #include "qemu/cutils.h"
22 #include "qemu/path.h"
29 #include <sys/mount.h>
31 #include <sys/fsuid.h>
32 #include <sys/personality.h>
33 #include <sys/prctl.h>
34 #include <sys/resource.h>
36 #include <linux/capability.h>
38 #include <sys/timex.h>
39 #include <sys/socket.h>
43 #include <sys/times.h>
46 #include <sys/statfs.h>
48 #include <sys/sysinfo.h>
49 #include <sys/signalfd.h>
50 //#include <sys/user.h>
51 #include <netinet/ip.h>
52 #include <netinet/tcp.h>
53 #include <linux/wireless.h>
54 #include <linux/icmp.h>
55 #include <linux/icmpv6.h>
56 #include <linux/errqueue.h>
57 #include <linux/random.h>
58 #include "qemu-common.h"
60 #include <sys/timerfd.h>
66 #include <sys/eventfd.h>
69 #include <sys/epoll.h>
72 #include "qemu/xattr.h"
74 #ifdef CONFIG_SENDFILE
75 #include <sys/sendfile.h>
78 #define termios host_termios
79 #define winsize host_winsize
80 #define termio host_termio
81 #define sgttyb host_sgttyb /* same as target */
82 #define tchars host_tchars /* same as target */
83 #define ltchars host_ltchars /* same as target */
85 #include <linux/termios.h>
86 #include <linux/unistd.h>
87 #include <linux/cdrom.h>
88 #include <linux/hdreg.h>
89 #include <linux/soundcard.h>
91 #include <linux/mtio.h>
93 #if defined(CONFIG_FIEMAP)
94 #include <linux/fiemap.h>
98 #include <linux/dm-ioctl.h>
99 #include <linux/reboot.h>
100 #include <linux/route.h>
101 #include <linux/filter.h>
102 #include <linux/blkpg.h>
103 #include <netpacket/packet.h>
104 #include <linux/netlink.h>
105 #ifdef CONFIG_RTNETLINK
106 #include <linux/rtnetlink.h>
107 #include <linux/if_bridge.h>
109 #include <linux/audit.h>
110 #include "linux_loop.h"
116 #define CLONE_IO 0x80000000 /* Clone io context */
119 /* We can't directly call the host clone syscall, because this will
120 * badly confuse libc (breaking mutexes, for example). So we must
121 * divide clone flags into:
122 * * flag combinations that look like pthread_create()
123 * * flag combinations that look like fork()
124 * * flags we can implement within QEMU itself
125 * * flags we can't support and will return an error for
127 /* For thread creation, all these flags must be present; for
128 * fork, none must be present.
130 #define CLONE_THREAD_FLAGS \
131 (CLONE_VM | CLONE_FS | CLONE_FILES | \
132 CLONE_SIGHAND | CLONE_THREAD | CLONE_SYSVSEM)
134 /* These flags are ignored:
135 * CLONE_DETACHED is now ignored by the kernel;
136 * CLONE_IO is just an optimisation hint to the I/O scheduler
138 #define CLONE_IGNORED_FLAGS \
139 (CLONE_DETACHED | CLONE_IO)
141 /* Flags for fork which we can implement within QEMU itself */
142 #define CLONE_OPTIONAL_FORK_FLAGS \
143 (CLONE_SETTLS | CLONE_PARENT_SETTID | \
144 CLONE_CHILD_CLEARTID | CLONE_CHILD_SETTID)
146 /* Flags for thread creation which we can implement within QEMU itself */
147 #define CLONE_OPTIONAL_THREAD_FLAGS \
148 (CLONE_SETTLS | CLONE_PARENT_SETTID | \
149 CLONE_CHILD_CLEARTID | CLONE_CHILD_SETTID | CLONE_PARENT)
151 #define CLONE_INVALID_FORK_FLAGS \
152 (~(CSIGNAL | CLONE_OPTIONAL_FORK_FLAGS | CLONE_IGNORED_FLAGS))
154 #define CLONE_INVALID_THREAD_FLAGS \
155 (~(CSIGNAL | CLONE_THREAD_FLAGS | CLONE_OPTIONAL_THREAD_FLAGS | \
156 CLONE_IGNORED_FLAGS))
158 /* CLONE_VFORK is special cased early in do_fork(). The other flag bits
159 * have almost all been allocated. We cannot support any of
160 * CLONE_NEWNS, CLONE_NEWCGROUP, CLONE_NEWUTS, CLONE_NEWIPC,
161 * CLONE_NEWUSER, CLONE_NEWPID, CLONE_NEWNET, CLONE_PTRACE, CLONE_UNTRACED.
162 * The checks against the invalid thread masks above will catch these.
163 * (The one remaining unallocated bit is 0x1000 which used to be CLONE_PID.)
167 /* Define DEBUG_ERESTARTSYS to force every syscall to be restarted
168 * once. This exercises the codepaths for restart.
170 //#define DEBUG_ERESTARTSYS
172 //#include <linux/msdos_fs.h>
173 #define VFAT_IOCTL_READDIR_BOTH _IOR('r', 1, struct linux_dirent [2])
174 #define VFAT_IOCTL_READDIR_SHORT _IOR('r', 2, struct linux_dirent [2])
184 #define _syscall0(type,name) \
185 static type name (void) \
187 return syscall(__NR_##name); \
190 #define _syscall1(type,name,type1,arg1) \
191 static type name (type1 arg1) \
193 return syscall(__NR_##name, arg1); \
196 #define _syscall2(type,name,type1,arg1,type2,arg2) \
197 static type name (type1 arg1,type2 arg2) \
199 return syscall(__NR_##name, arg1, arg2); \
202 #define _syscall3(type,name,type1,arg1,type2,arg2,type3,arg3) \
203 static type name (type1 arg1,type2 arg2,type3 arg3) \
205 return syscall(__NR_##name, arg1, arg2, arg3); \
208 #define _syscall4(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4) \
209 static type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4) \
211 return syscall(__NR_##name, arg1, arg2, arg3, arg4); \
214 #define _syscall5(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4, \
216 static type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4,type5 arg5) \
218 return syscall(__NR_##name, arg1, arg2, arg3, arg4, arg5); \
222 #define _syscall6(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4, \
223 type5,arg5,type6,arg6) \
224 static type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4,type5 arg5, \
227 return syscall(__NR_##name, arg1, arg2, arg3, arg4, arg5, arg6); \
231 #define __NR_sys_uname __NR_uname
232 #define __NR_sys_getcwd1 __NR_getcwd
233 #define __NR_sys_getdents __NR_getdents
234 #define __NR_sys_getdents64 __NR_getdents64
235 #define __NR_sys_getpriority __NR_getpriority
236 #define __NR_sys_rt_sigqueueinfo __NR_rt_sigqueueinfo
237 #define __NR_sys_rt_tgsigqueueinfo __NR_rt_tgsigqueueinfo
238 #define __NR_sys_syslog __NR_syslog
239 #define __NR_sys_futex __NR_futex
240 #define __NR_sys_inotify_init __NR_inotify_init
241 #define __NR_sys_inotify_add_watch __NR_inotify_add_watch
242 #define __NR_sys_inotify_rm_watch __NR_inotify_rm_watch
244 #if defined(__alpha__) || defined(__x86_64__) || defined(__s390x__)
245 #define __NR__llseek __NR_lseek
248 /* Newer kernel ports have llseek() instead of _llseek() */
249 #if defined(TARGET_NR_llseek) && !defined(TARGET_NR__llseek)
250 #define TARGET_NR__llseek TARGET_NR_llseek
254 _syscall0(int, gettid
)
256 /* This is a replacement for the host gettid() and must return a host
258 static int gettid(void) {
263 /* For the 64-bit guest on 32-bit host case we must emulate
264 * getdents using getdents64, because otherwise the host
265 * might hand us back more dirent records than we can fit
266 * into the guest buffer after structure format conversion.
267 * Otherwise we emulate getdents with getdents if the host has it.
269 #if defined(__NR_getdents) && HOST_LONG_BITS >= TARGET_ABI_BITS
270 #define EMULATE_GETDENTS_WITH_GETDENTS
273 #if defined(TARGET_NR_getdents) && defined(EMULATE_GETDENTS_WITH_GETDENTS)
274 _syscall3(int, sys_getdents
, uint
, fd
, struct linux_dirent
*, dirp
, uint
, count
);
276 #if (defined(TARGET_NR_getdents) && \
277 !defined(EMULATE_GETDENTS_WITH_GETDENTS)) || \
278 (defined(TARGET_NR_getdents64) && defined(__NR_getdents64))
279 _syscall3(int, sys_getdents64
, uint
, fd
, struct linux_dirent64
*, dirp
, uint
, count
);
281 #if defined(TARGET_NR__llseek) && defined(__NR_llseek)
282 _syscall5(int, _llseek
, uint
, fd
, ulong
, hi
, ulong
, lo
,
283 loff_t
*, res
, uint
, wh
);
285 _syscall3(int, sys_rt_sigqueueinfo
, pid_t
, pid
, int, sig
, siginfo_t
*, uinfo
)
286 _syscall4(int, sys_rt_tgsigqueueinfo
, pid_t
, pid
, pid_t
, tid
, int, sig
,
288 _syscall3(int,sys_syslog
,int,type
,char*,bufp
,int,len
)
289 #ifdef __NR_exit_group
290 _syscall1(int,exit_group
,int,error_code
)
292 #if defined(TARGET_NR_set_tid_address) && defined(__NR_set_tid_address)
293 _syscall1(int,set_tid_address
,int *,tidptr
)
295 #if defined(TARGET_NR_futex) && defined(__NR_futex)
296 _syscall6(int,sys_futex
,int *,uaddr
,int,op
,int,val
,
297 const struct timespec
*,timeout
,int *,uaddr2
,int,val3
)
299 #define __NR_sys_sched_getaffinity __NR_sched_getaffinity
300 _syscall3(int, sys_sched_getaffinity
, pid_t
, pid
, unsigned int, len
,
301 unsigned long *, user_mask_ptr
);
302 #define __NR_sys_sched_setaffinity __NR_sched_setaffinity
303 _syscall3(int, sys_sched_setaffinity
, pid_t
, pid
, unsigned int, len
,
304 unsigned long *, user_mask_ptr
);
305 #define __NR_sys_getcpu __NR_getcpu
306 _syscall3(int, sys_getcpu
, unsigned *, cpu
, unsigned *, node
, void *, tcache
);
307 _syscall4(int, reboot
, int, magic1
, int, magic2
, unsigned int, cmd
,
309 _syscall2(int, capget
, struct __user_cap_header_struct
*, header
,
310 struct __user_cap_data_struct
*, data
);
311 _syscall2(int, capset
, struct __user_cap_header_struct
*, header
,
312 struct __user_cap_data_struct
*, data
);
313 #if defined(TARGET_NR_ioprio_get) && defined(__NR_ioprio_get)
314 _syscall2(int, ioprio_get
, int, which
, int, who
)
316 #if defined(TARGET_NR_ioprio_set) && defined(__NR_ioprio_set)
317 _syscall3(int, ioprio_set
, int, which
, int, who
, int, ioprio
)
319 #if defined(TARGET_NR_getrandom) && defined(__NR_getrandom)
320 _syscall3(int, getrandom
, void *, buf
, size_t, buflen
, unsigned int, flags
)
323 #if defined(TARGET_NR_kcmp) && defined(__NR_kcmp)
324 _syscall5(int, kcmp
, pid_t
, pid1
, pid_t
, pid2
, int, type
,
325 unsigned long, idx1
, unsigned long, idx2
)
328 static bitmask_transtbl fcntl_flags_tbl
[] = {
329 { TARGET_O_ACCMODE
, TARGET_O_WRONLY
, O_ACCMODE
, O_WRONLY
, },
330 { TARGET_O_ACCMODE
, TARGET_O_RDWR
, O_ACCMODE
, O_RDWR
, },
331 { TARGET_O_CREAT
, TARGET_O_CREAT
, O_CREAT
, O_CREAT
, },
332 { TARGET_O_EXCL
, TARGET_O_EXCL
, O_EXCL
, O_EXCL
, },
333 { TARGET_O_NOCTTY
, TARGET_O_NOCTTY
, O_NOCTTY
, O_NOCTTY
, },
334 { TARGET_O_TRUNC
, TARGET_O_TRUNC
, O_TRUNC
, O_TRUNC
, },
335 { TARGET_O_APPEND
, TARGET_O_APPEND
, O_APPEND
, O_APPEND
, },
336 { TARGET_O_NONBLOCK
, TARGET_O_NONBLOCK
, O_NONBLOCK
, O_NONBLOCK
, },
337 { TARGET_O_SYNC
, TARGET_O_DSYNC
, O_SYNC
, O_DSYNC
, },
338 { TARGET_O_SYNC
, TARGET_O_SYNC
, O_SYNC
, O_SYNC
, },
339 { TARGET_FASYNC
, TARGET_FASYNC
, FASYNC
, FASYNC
, },
340 { TARGET_O_DIRECTORY
, TARGET_O_DIRECTORY
, O_DIRECTORY
, O_DIRECTORY
, },
341 { TARGET_O_NOFOLLOW
, TARGET_O_NOFOLLOW
, O_NOFOLLOW
, O_NOFOLLOW
, },
342 #if defined(O_DIRECT)
343 { TARGET_O_DIRECT
, TARGET_O_DIRECT
, O_DIRECT
, O_DIRECT
, },
345 #if defined(O_NOATIME)
346 { TARGET_O_NOATIME
, TARGET_O_NOATIME
, O_NOATIME
, O_NOATIME
},
348 #if defined(O_CLOEXEC)
349 { TARGET_O_CLOEXEC
, TARGET_O_CLOEXEC
, O_CLOEXEC
, O_CLOEXEC
},
352 { TARGET_O_PATH
, TARGET_O_PATH
, O_PATH
, O_PATH
},
354 #if defined(O_TMPFILE)
355 { TARGET_O_TMPFILE
, TARGET_O_TMPFILE
, O_TMPFILE
, O_TMPFILE
},
357 /* Don't terminate the list prematurely on 64-bit host+guest. */
358 #if TARGET_O_LARGEFILE != 0 || O_LARGEFILE != 0
359 { TARGET_O_LARGEFILE
, TARGET_O_LARGEFILE
, O_LARGEFILE
, O_LARGEFILE
, },
366 QEMU_IFLA_BR_FORWARD_DELAY
,
367 QEMU_IFLA_BR_HELLO_TIME
,
368 QEMU_IFLA_BR_MAX_AGE
,
369 QEMU_IFLA_BR_AGEING_TIME
,
370 QEMU_IFLA_BR_STP_STATE
,
371 QEMU_IFLA_BR_PRIORITY
,
372 QEMU_IFLA_BR_VLAN_FILTERING
,
373 QEMU_IFLA_BR_VLAN_PROTOCOL
,
374 QEMU_IFLA_BR_GROUP_FWD_MASK
,
375 QEMU_IFLA_BR_ROOT_ID
,
376 QEMU_IFLA_BR_BRIDGE_ID
,
377 QEMU_IFLA_BR_ROOT_PORT
,
378 QEMU_IFLA_BR_ROOT_PATH_COST
,
379 QEMU_IFLA_BR_TOPOLOGY_CHANGE
,
380 QEMU_IFLA_BR_TOPOLOGY_CHANGE_DETECTED
,
381 QEMU_IFLA_BR_HELLO_TIMER
,
382 QEMU_IFLA_BR_TCN_TIMER
,
383 QEMU_IFLA_BR_TOPOLOGY_CHANGE_TIMER
,
384 QEMU_IFLA_BR_GC_TIMER
,
385 QEMU_IFLA_BR_GROUP_ADDR
,
386 QEMU_IFLA_BR_FDB_FLUSH
,
387 QEMU_IFLA_BR_MCAST_ROUTER
,
388 QEMU_IFLA_BR_MCAST_SNOOPING
,
389 QEMU_IFLA_BR_MCAST_QUERY_USE_IFADDR
,
390 QEMU_IFLA_BR_MCAST_QUERIER
,
391 QEMU_IFLA_BR_MCAST_HASH_ELASTICITY
,
392 QEMU_IFLA_BR_MCAST_HASH_MAX
,
393 QEMU_IFLA_BR_MCAST_LAST_MEMBER_CNT
,
394 QEMU_IFLA_BR_MCAST_STARTUP_QUERY_CNT
,
395 QEMU_IFLA_BR_MCAST_LAST_MEMBER_INTVL
,
396 QEMU_IFLA_BR_MCAST_MEMBERSHIP_INTVL
,
397 QEMU_IFLA_BR_MCAST_QUERIER_INTVL
,
398 QEMU_IFLA_BR_MCAST_QUERY_INTVL
,
399 QEMU_IFLA_BR_MCAST_QUERY_RESPONSE_INTVL
,
400 QEMU_IFLA_BR_MCAST_STARTUP_QUERY_INTVL
,
401 QEMU_IFLA_BR_NF_CALL_IPTABLES
,
402 QEMU_IFLA_BR_NF_CALL_IP6TABLES
,
403 QEMU_IFLA_BR_NF_CALL_ARPTABLES
,
404 QEMU_IFLA_BR_VLAN_DEFAULT_PVID
,
406 QEMU_IFLA_BR_VLAN_STATS_ENABLED
,
407 QEMU_IFLA_BR_MCAST_STATS_ENABLED
,
408 QEMU_IFLA_BR_MCAST_IGMP_VERSION
,
409 QEMU_IFLA_BR_MCAST_MLD_VERSION
,
433 QEMU_IFLA_NET_NS_PID
,
436 QEMU_IFLA_VFINFO_LIST
,
444 QEMU_IFLA_PROMISCUITY
,
445 QEMU_IFLA_NUM_TX_QUEUES
,
446 QEMU_IFLA_NUM_RX_QUEUES
,
448 QEMU_IFLA_PHYS_PORT_ID
,
449 QEMU_IFLA_CARRIER_CHANGES
,
450 QEMU_IFLA_PHYS_SWITCH_ID
,
451 QEMU_IFLA_LINK_NETNSID
,
452 QEMU_IFLA_PHYS_PORT_NAME
,
453 QEMU_IFLA_PROTO_DOWN
,
454 QEMU_IFLA_GSO_MAX_SEGS
,
455 QEMU_IFLA_GSO_MAX_SIZE
,
459 QEMU_IFLA_NEW_NETNSID
,
460 QEMU_IFLA_IF_NETNSID
,
461 QEMU_IFLA_CARRIER_UP_COUNT
,
462 QEMU_IFLA_CARRIER_DOWN_COUNT
,
463 QEMU_IFLA_NEW_IFINDEX
,
468 QEMU_IFLA_BRPORT_UNSPEC
,
469 QEMU_IFLA_BRPORT_STATE
,
470 QEMU_IFLA_BRPORT_PRIORITY
,
471 QEMU_IFLA_BRPORT_COST
,
472 QEMU_IFLA_BRPORT_MODE
,
473 QEMU_IFLA_BRPORT_GUARD
,
474 QEMU_IFLA_BRPORT_PROTECT
,
475 QEMU_IFLA_BRPORT_FAST_LEAVE
,
476 QEMU_IFLA_BRPORT_LEARNING
,
477 QEMU_IFLA_BRPORT_UNICAST_FLOOD
,
478 QEMU_IFLA_BRPORT_PROXYARP
,
479 QEMU_IFLA_BRPORT_LEARNING_SYNC
,
480 QEMU_IFLA_BRPORT_PROXYARP_WIFI
,
481 QEMU_IFLA_BRPORT_ROOT_ID
,
482 QEMU_IFLA_BRPORT_BRIDGE_ID
,
483 QEMU_IFLA_BRPORT_DESIGNATED_PORT
,
484 QEMU_IFLA_BRPORT_DESIGNATED_COST
,
487 QEMU_IFLA_BRPORT_TOPOLOGY_CHANGE_ACK
,
488 QEMU_IFLA_BRPORT_CONFIG_PENDING
,
489 QEMU_IFLA_BRPORT_MESSAGE_AGE_TIMER
,
490 QEMU_IFLA_BRPORT_FORWARD_DELAY_TIMER
,
491 QEMU_IFLA_BRPORT_HOLD_TIMER
,
492 QEMU_IFLA_BRPORT_FLUSH
,
493 QEMU_IFLA_BRPORT_MULTICAST_ROUTER
,
494 QEMU_IFLA_BRPORT_PAD
,
495 QEMU_IFLA_BRPORT_MCAST_FLOOD
,
496 QEMU_IFLA_BRPORT_MCAST_TO_UCAST
,
497 QEMU_IFLA_BRPORT_VLAN_TUNNEL
,
498 QEMU_IFLA_BRPORT_BCAST_FLOOD
,
499 QEMU_IFLA_BRPORT_GROUP_FWD_MASK
,
500 QEMU_IFLA_BRPORT_NEIGH_SUPPRESS
,
501 QEMU___IFLA_BRPORT_MAX
505 QEMU_IFLA_INFO_UNSPEC
,
508 QEMU_IFLA_INFO_XSTATS
,
509 QEMU_IFLA_INFO_SLAVE_KIND
,
510 QEMU_IFLA_INFO_SLAVE_DATA
,
511 QEMU___IFLA_INFO_MAX
,
515 QEMU_IFLA_INET_UNSPEC
,
517 QEMU___IFLA_INET_MAX
,
521 QEMU_IFLA_INET6_UNSPEC
,
522 QEMU_IFLA_INET6_FLAGS
,
523 QEMU_IFLA_INET6_CONF
,
524 QEMU_IFLA_INET6_STATS
,
525 QEMU_IFLA_INET6_MCAST
,
526 QEMU_IFLA_INET6_CACHEINFO
,
527 QEMU_IFLA_INET6_ICMP6STATS
,
528 QEMU_IFLA_INET6_TOKEN
,
529 QEMU_IFLA_INET6_ADDR_GEN_MODE
,
530 QEMU___IFLA_INET6_MAX
534 QEMU_IFLA_XDP_UNSPEC
,
536 QEMU_IFLA_XDP_ATTACHED
,
538 QEMU_IFLA_XDP_PROG_ID
,
542 typedef abi_long (*TargetFdDataFunc
)(void *, size_t);
543 typedef abi_long (*TargetFdAddrFunc
)(void *, abi_ulong
, socklen_t
);
544 typedef struct TargetFdTrans
{
545 TargetFdDataFunc host_to_target_data
;
546 TargetFdDataFunc target_to_host_data
;
547 TargetFdAddrFunc target_to_host_addr
;
550 static TargetFdTrans
**target_fd_trans
;
552 static unsigned int target_fd_max
;
554 static TargetFdDataFunc
fd_trans_target_to_host_data(int fd
)
556 if (fd
>= 0 && fd
< target_fd_max
&& target_fd_trans
[fd
]) {
557 return target_fd_trans
[fd
]->target_to_host_data
;
562 static TargetFdDataFunc
fd_trans_host_to_target_data(int fd
)
564 if (fd
>= 0 && fd
< target_fd_max
&& target_fd_trans
[fd
]) {
565 return target_fd_trans
[fd
]->host_to_target_data
;
570 static TargetFdAddrFunc
fd_trans_target_to_host_addr(int fd
)
572 if (fd
>= 0 && fd
< target_fd_max
&& target_fd_trans
[fd
]) {
573 return target_fd_trans
[fd
]->target_to_host_addr
;
578 static void fd_trans_register(int fd
, TargetFdTrans
*trans
)
582 if (fd
>= target_fd_max
) {
583 oldmax
= target_fd_max
;
584 target_fd_max
= ((fd
>> 6) + 1) << 6; /* by slice of 64 entries */
585 target_fd_trans
= g_renew(TargetFdTrans
*,
586 target_fd_trans
, target_fd_max
);
587 memset((void *)(target_fd_trans
+ oldmax
), 0,
588 (target_fd_max
- oldmax
) * sizeof(TargetFdTrans
*));
590 target_fd_trans
[fd
] = trans
;
593 static void fd_trans_unregister(int fd
)
595 if (fd
>= 0 && fd
< target_fd_max
) {
596 target_fd_trans
[fd
] = NULL
;
600 static void fd_trans_dup(int oldfd
, int newfd
)
602 fd_trans_unregister(newfd
);
603 if (oldfd
< target_fd_max
&& target_fd_trans
[oldfd
]) {
604 fd_trans_register(newfd
, target_fd_trans
[oldfd
]);
608 static int sys_getcwd1(char *buf
, size_t size
)
610 if (getcwd(buf
, size
) == NULL
) {
611 /* getcwd() sets errno */
614 return strlen(buf
)+1;
617 #ifdef TARGET_NR_utimensat
618 #if defined(__NR_utimensat)
619 #define __NR_sys_utimensat __NR_utimensat
620 _syscall4(int,sys_utimensat
,int,dirfd
,const char *,pathname
,
621 const struct timespec
*,tsp
,int,flags
)
623 static int sys_utimensat(int dirfd
, const char *pathname
,
624 const struct timespec times
[2], int flags
)
630 #endif /* TARGET_NR_utimensat */
632 #ifdef TARGET_NR_renameat2
633 #if defined(__NR_renameat2)
634 #define __NR_sys_renameat2 __NR_renameat2
635 _syscall5(int, sys_renameat2
, int, oldfd
, const char *, old
, int, newfd
,
636 const char *, new, unsigned int, flags
)
638 static int sys_renameat2(int oldfd
, const char *old
,
639 int newfd
, const char *new, int flags
)
642 return renameat(oldfd
, old
, newfd
, new);
648 #endif /* TARGET_NR_renameat2 */
650 #ifdef CONFIG_INOTIFY
651 #include <sys/inotify.h>
653 #if defined(TARGET_NR_inotify_init) && defined(__NR_inotify_init)
654 static int sys_inotify_init(void)
656 return (inotify_init());
659 #if defined(TARGET_NR_inotify_add_watch) && defined(__NR_inotify_add_watch)
660 static int sys_inotify_add_watch(int fd
,const char *pathname
, int32_t mask
)
662 return (inotify_add_watch(fd
, pathname
, mask
));
665 #if defined(TARGET_NR_inotify_rm_watch) && defined(__NR_inotify_rm_watch)
666 static int sys_inotify_rm_watch(int fd
, int32_t wd
)
668 return (inotify_rm_watch(fd
, wd
));
671 #ifdef CONFIG_INOTIFY1
672 #if defined(TARGET_NR_inotify_init1) && defined(__NR_inotify_init1)
673 static int sys_inotify_init1(int flags
)
675 return (inotify_init1(flags
));
680 /* Userspace can usually survive runtime without inotify */
681 #undef TARGET_NR_inotify_init
682 #undef TARGET_NR_inotify_init1
683 #undef TARGET_NR_inotify_add_watch
684 #undef TARGET_NR_inotify_rm_watch
685 #endif /* CONFIG_INOTIFY */
687 #if defined(TARGET_NR_prlimit64)
688 #ifndef __NR_prlimit64
689 # define __NR_prlimit64 -1
691 #define __NR_sys_prlimit64 __NR_prlimit64
692 /* The glibc rlimit structure may not be that used by the underlying syscall */
693 struct host_rlimit64
{
697 _syscall4(int, sys_prlimit64
, pid_t
, pid
, int, resource
,
698 const struct host_rlimit64
*, new_limit
,
699 struct host_rlimit64
*, old_limit
)
703 #if defined(TARGET_NR_timer_create)
704 /* Maxiumum of 32 active POSIX timers allowed at any one time. */
705 static timer_t g_posix_timers
[32] = { 0, } ;
707 static inline int next_free_host_timer(void)
710 /* FIXME: Does finding the next free slot require a lock? */
711 for (k
= 0; k
< ARRAY_SIZE(g_posix_timers
); k
++) {
712 if (g_posix_timers
[k
] == 0) {
713 g_posix_timers
[k
] = (timer_t
) 1;
721 /* ARM EABI and MIPS expect 64bit types aligned even on pairs or registers */
723 static inline int regpairs_aligned(void *cpu_env
, int num
)
725 return ((((CPUARMState
*)cpu_env
)->eabi
) == 1) ;
727 #elif defined(TARGET_MIPS) && (TARGET_ABI_BITS == 32)
728 static inline int regpairs_aligned(void *cpu_env
, int num
) { return 1; }
729 #elif defined(TARGET_PPC) && !defined(TARGET_PPC64)
730 /* SysV AVI for PPC32 expects 64bit parameters to be passed on odd/even pairs
731 * of registers which translates to the same as ARM/MIPS, because we start with
733 static inline int regpairs_aligned(void *cpu_env
, int num
) { return 1; }
734 #elif defined(TARGET_SH4)
735 /* SH4 doesn't align register pairs, except for p{read,write}64 */
736 static inline int regpairs_aligned(void *cpu_env
, int num
)
739 case TARGET_NR_pread64
:
740 case TARGET_NR_pwrite64
:
747 #elif defined(TARGET_XTENSA)
748 static inline int regpairs_aligned(void *cpu_env
, int num
) { return 1; }
750 static inline int regpairs_aligned(void *cpu_env
, int num
) { return 0; }
753 #define ERRNO_TABLE_SIZE 1200
755 /* target_to_host_errno_table[] is initialized from
756 * host_to_target_errno_table[] in syscall_init(). */
757 static uint16_t target_to_host_errno_table
[ERRNO_TABLE_SIZE
] = {
761 * This list is the union of errno values overridden in asm-<arch>/errno.h
762 * minus the errnos that are not actually generic to all archs.
764 static uint16_t host_to_target_errno_table
[ERRNO_TABLE_SIZE
] = {
765 [EAGAIN
] = TARGET_EAGAIN
,
766 [EIDRM
] = TARGET_EIDRM
,
767 [ECHRNG
] = TARGET_ECHRNG
,
768 [EL2NSYNC
] = TARGET_EL2NSYNC
,
769 [EL3HLT
] = TARGET_EL3HLT
,
770 [EL3RST
] = TARGET_EL3RST
,
771 [ELNRNG
] = TARGET_ELNRNG
,
772 [EUNATCH
] = TARGET_EUNATCH
,
773 [ENOCSI
] = TARGET_ENOCSI
,
774 [EL2HLT
] = TARGET_EL2HLT
,
775 [EDEADLK
] = TARGET_EDEADLK
,
776 [ENOLCK
] = TARGET_ENOLCK
,
777 [EBADE
] = TARGET_EBADE
,
778 [EBADR
] = TARGET_EBADR
,
779 [EXFULL
] = TARGET_EXFULL
,
780 [ENOANO
] = TARGET_ENOANO
,
781 [EBADRQC
] = TARGET_EBADRQC
,
782 [EBADSLT
] = TARGET_EBADSLT
,
783 [EBFONT
] = TARGET_EBFONT
,
784 [ENOSTR
] = TARGET_ENOSTR
,
785 [ENODATA
] = TARGET_ENODATA
,
786 [ETIME
] = TARGET_ETIME
,
787 [ENOSR
] = TARGET_ENOSR
,
788 [ENONET
] = TARGET_ENONET
,
789 [ENOPKG
] = TARGET_ENOPKG
,
790 [EREMOTE
] = TARGET_EREMOTE
,
791 [ENOLINK
] = TARGET_ENOLINK
,
792 [EADV
] = TARGET_EADV
,
793 [ESRMNT
] = TARGET_ESRMNT
,
794 [ECOMM
] = TARGET_ECOMM
,
795 [EPROTO
] = TARGET_EPROTO
,
796 [EDOTDOT
] = TARGET_EDOTDOT
,
797 [EMULTIHOP
] = TARGET_EMULTIHOP
,
798 [EBADMSG
] = TARGET_EBADMSG
,
799 [ENAMETOOLONG
] = TARGET_ENAMETOOLONG
,
800 [EOVERFLOW
] = TARGET_EOVERFLOW
,
801 [ENOTUNIQ
] = TARGET_ENOTUNIQ
,
802 [EBADFD
] = TARGET_EBADFD
,
803 [EREMCHG
] = TARGET_EREMCHG
,
804 [ELIBACC
] = TARGET_ELIBACC
,
805 [ELIBBAD
] = TARGET_ELIBBAD
,
806 [ELIBSCN
] = TARGET_ELIBSCN
,
807 [ELIBMAX
] = TARGET_ELIBMAX
,
808 [ELIBEXEC
] = TARGET_ELIBEXEC
,
809 [EILSEQ
] = TARGET_EILSEQ
,
810 [ENOSYS
] = TARGET_ENOSYS
,
811 [ELOOP
] = TARGET_ELOOP
,
812 [ERESTART
] = TARGET_ERESTART
,
813 [ESTRPIPE
] = TARGET_ESTRPIPE
,
814 [ENOTEMPTY
] = TARGET_ENOTEMPTY
,
815 [EUSERS
] = TARGET_EUSERS
,
816 [ENOTSOCK
] = TARGET_ENOTSOCK
,
817 [EDESTADDRREQ
] = TARGET_EDESTADDRREQ
,
818 [EMSGSIZE
] = TARGET_EMSGSIZE
,
819 [EPROTOTYPE
] = TARGET_EPROTOTYPE
,
820 [ENOPROTOOPT
] = TARGET_ENOPROTOOPT
,
821 [EPROTONOSUPPORT
] = TARGET_EPROTONOSUPPORT
,
822 [ESOCKTNOSUPPORT
] = TARGET_ESOCKTNOSUPPORT
,
823 [EOPNOTSUPP
] = TARGET_EOPNOTSUPP
,
824 [EPFNOSUPPORT
] = TARGET_EPFNOSUPPORT
,
825 [EAFNOSUPPORT
] = TARGET_EAFNOSUPPORT
,
826 [EADDRINUSE
] = TARGET_EADDRINUSE
,
827 [EADDRNOTAVAIL
] = TARGET_EADDRNOTAVAIL
,
828 [ENETDOWN
] = TARGET_ENETDOWN
,
829 [ENETUNREACH
] = TARGET_ENETUNREACH
,
830 [ENETRESET
] = TARGET_ENETRESET
,
831 [ECONNABORTED
] = TARGET_ECONNABORTED
,
832 [ECONNRESET
] = TARGET_ECONNRESET
,
833 [ENOBUFS
] = TARGET_ENOBUFS
,
834 [EISCONN
] = TARGET_EISCONN
,
835 [ENOTCONN
] = TARGET_ENOTCONN
,
836 [EUCLEAN
] = TARGET_EUCLEAN
,
837 [ENOTNAM
] = TARGET_ENOTNAM
,
838 [ENAVAIL
] = TARGET_ENAVAIL
,
839 [EISNAM
] = TARGET_EISNAM
,
840 [EREMOTEIO
] = TARGET_EREMOTEIO
,
841 [EDQUOT
] = TARGET_EDQUOT
,
842 [ESHUTDOWN
] = TARGET_ESHUTDOWN
,
843 [ETOOMANYREFS
] = TARGET_ETOOMANYREFS
,
844 [ETIMEDOUT
] = TARGET_ETIMEDOUT
,
845 [ECONNREFUSED
] = TARGET_ECONNREFUSED
,
846 [EHOSTDOWN
] = TARGET_EHOSTDOWN
,
847 [EHOSTUNREACH
] = TARGET_EHOSTUNREACH
,
848 [EALREADY
] = TARGET_EALREADY
,
849 [EINPROGRESS
] = TARGET_EINPROGRESS
,
850 [ESTALE
] = TARGET_ESTALE
,
851 [ECANCELED
] = TARGET_ECANCELED
,
852 [ENOMEDIUM
] = TARGET_ENOMEDIUM
,
853 [EMEDIUMTYPE
] = TARGET_EMEDIUMTYPE
,
855 [ENOKEY
] = TARGET_ENOKEY
,
858 [EKEYEXPIRED
] = TARGET_EKEYEXPIRED
,
861 [EKEYREVOKED
] = TARGET_EKEYREVOKED
,
864 [EKEYREJECTED
] = TARGET_EKEYREJECTED
,
867 [EOWNERDEAD
] = TARGET_EOWNERDEAD
,
869 #ifdef ENOTRECOVERABLE
870 [ENOTRECOVERABLE
] = TARGET_ENOTRECOVERABLE
,
873 [ENOMSG
] = TARGET_ENOMSG
,
876 [ERFKILL
] = TARGET_ERFKILL
,
879 [EHWPOISON
] = TARGET_EHWPOISON
,
883 static inline int host_to_target_errno(int err
)
885 if (err
>= 0 && err
< ERRNO_TABLE_SIZE
&&
886 host_to_target_errno_table
[err
]) {
887 return host_to_target_errno_table
[err
];
892 static inline int target_to_host_errno(int err
)
894 if (err
>= 0 && err
< ERRNO_TABLE_SIZE
&&
895 target_to_host_errno_table
[err
]) {
896 return target_to_host_errno_table
[err
];
901 static inline abi_long
get_errno(abi_long ret
)
904 return -host_to_target_errno(errno
);
909 const char *target_strerror(int err
)
911 if (err
== TARGET_ERESTARTSYS
) {
912 return "To be restarted";
914 if (err
== TARGET_QEMU_ESIGRETURN
) {
915 return "Successful exit from sigreturn";
918 if ((err
>= ERRNO_TABLE_SIZE
) || (err
< 0)) {
921 return strerror(target_to_host_errno(err
));
924 #define safe_syscall0(type, name) \
925 static type safe_##name(void) \
927 return safe_syscall(__NR_##name); \
930 #define safe_syscall1(type, name, type1, arg1) \
931 static type safe_##name(type1 arg1) \
933 return safe_syscall(__NR_##name, arg1); \
936 #define safe_syscall2(type, name, type1, arg1, type2, arg2) \
937 static type safe_##name(type1 arg1, type2 arg2) \
939 return safe_syscall(__NR_##name, arg1, arg2); \
942 #define safe_syscall3(type, name, type1, arg1, type2, arg2, type3, arg3) \
943 static type safe_##name(type1 arg1, type2 arg2, type3 arg3) \
945 return safe_syscall(__NR_##name, arg1, arg2, arg3); \
948 #define safe_syscall4(type, name, type1, arg1, type2, arg2, type3, arg3, \
950 static type safe_##name(type1 arg1, type2 arg2, type3 arg3, type4 arg4) \
952 return safe_syscall(__NR_##name, arg1, arg2, arg3, arg4); \
955 #define safe_syscall5(type, name, type1, arg1, type2, arg2, type3, arg3, \
956 type4, arg4, type5, arg5) \
957 static type safe_##name(type1 arg1, type2 arg2, type3 arg3, type4 arg4, \
960 return safe_syscall(__NR_##name, arg1, arg2, arg3, arg4, arg5); \
963 #define safe_syscall6(type, name, type1, arg1, type2, arg2, type3, arg3, \
964 type4, arg4, type5, arg5, type6, arg6) \
965 static type safe_##name(type1 arg1, type2 arg2, type3 arg3, type4 arg4, \
966 type5 arg5, type6 arg6) \
968 return safe_syscall(__NR_##name, arg1, arg2, arg3, arg4, arg5, arg6); \
971 safe_syscall3(ssize_t
, read
, int, fd
, void *, buff
, size_t, count
)
972 safe_syscall3(ssize_t
, write
, int, fd
, const void *, buff
, size_t, count
)
973 safe_syscall4(int, openat
, int, dirfd
, const char *, pathname
, \
974 int, flags
, mode_t
, mode
)
975 safe_syscall4(pid_t
, wait4
, pid_t
, pid
, int *, status
, int, options
, \
976 struct rusage
*, rusage
)
977 safe_syscall5(int, waitid
, idtype_t
, idtype
, id_t
, id
, siginfo_t
*, infop
, \
978 int, options
, struct rusage
*, rusage
)
979 safe_syscall3(int, execve
, const char *, filename
, char **, argv
, char **, envp
)
980 safe_syscall6(int, pselect6
, int, nfds
, fd_set
*, readfds
, fd_set
*, writefds
, \
981 fd_set
*, exceptfds
, struct timespec
*, timeout
, void *, sig
)
982 safe_syscall5(int, ppoll
, struct pollfd
*, ufds
, unsigned int, nfds
,
983 struct timespec
*, tsp
, const sigset_t
*, sigmask
,
985 safe_syscall6(int, epoll_pwait
, int, epfd
, struct epoll_event
*, events
,
986 int, maxevents
, int, timeout
, const sigset_t
*, sigmask
,
988 safe_syscall6(int,futex
,int *,uaddr
,int,op
,int,val
, \
989 const struct timespec
*,timeout
,int *,uaddr2
,int,val3
)
990 safe_syscall2(int, rt_sigsuspend
, sigset_t
*, newset
, size_t, sigsetsize
)
991 safe_syscall2(int, kill
, pid_t
, pid
, int, sig
)
992 safe_syscall2(int, tkill
, int, tid
, int, sig
)
993 safe_syscall3(int, tgkill
, int, tgid
, int, pid
, int, sig
)
994 safe_syscall3(ssize_t
, readv
, int, fd
, const struct iovec
*, iov
, int, iovcnt
)
995 safe_syscall3(ssize_t
, writev
, int, fd
, const struct iovec
*, iov
, int, iovcnt
)
996 safe_syscall5(ssize_t
, preadv
, int, fd
, const struct iovec
*, iov
, int, iovcnt
,
997 unsigned long, pos_l
, unsigned long, pos_h
)
998 safe_syscall5(ssize_t
, pwritev
, int, fd
, const struct iovec
*, iov
, int, iovcnt
,
999 unsigned long, pos_l
, unsigned long, pos_h
)
1000 safe_syscall3(int, connect
, int, fd
, const struct sockaddr
*, addr
,
1002 safe_syscall6(ssize_t
, sendto
, int, fd
, const void *, buf
, size_t, len
,
1003 int, flags
, const struct sockaddr
*, addr
, socklen_t
, addrlen
)
1004 safe_syscall6(ssize_t
, recvfrom
, int, fd
, void *, buf
, size_t, len
,
1005 int, flags
, struct sockaddr
*, addr
, socklen_t
*, addrlen
)
1006 safe_syscall3(ssize_t
, sendmsg
, int, fd
, const struct msghdr
*, msg
, int, flags
)
1007 safe_syscall3(ssize_t
, recvmsg
, int, fd
, struct msghdr
*, msg
, int, flags
)
1008 safe_syscall2(int, flock
, int, fd
, int, operation
)
1009 safe_syscall4(int, rt_sigtimedwait
, const sigset_t
*, these
, siginfo_t
*, uinfo
,
1010 const struct timespec
*, uts
, size_t, sigsetsize
)
1011 safe_syscall4(int, accept4
, int, fd
, struct sockaddr
*, addr
, socklen_t
*, len
,
1013 safe_syscall2(int, nanosleep
, const struct timespec
*, req
,
1014 struct timespec
*, rem
)
1015 #ifdef TARGET_NR_clock_nanosleep
1016 safe_syscall4(int, clock_nanosleep
, const clockid_t
, clock
, int, flags
,
1017 const struct timespec
*, req
, struct timespec
*, rem
)
1020 safe_syscall4(int, msgsnd
, int, msgid
, const void *, msgp
, size_t, sz
,
1022 safe_syscall5(int, msgrcv
, int, msgid
, void *, msgp
, size_t, sz
,
1023 long, msgtype
, int, flags
)
1024 safe_syscall4(int, semtimedop
, int, semid
, struct sembuf
*, tsops
,
1025 unsigned, nsops
, const struct timespec
*, timeout
)
1027 /* This host kernel architecture uses a single ipc syscall; fake up
1028 * wrappers for the sub-operations to hide this implementation detail.
1029 * Annoyingly we can't include linux/ipc.h to get the constant definitions
1030 * for the call parameter because some structs in there conflict with the
1031 * sys/ipc.h ones. So we just define them here, and rely on them being
1032 * the same for all host architectures.
1034 #define Q_SEMTIMEDOP 4
1037 #define Q_IPCCALL(VERSION, OP) ((VERSION) << 16 | (OP))
1039 safe_syscall6(int, ipc
, int, call
, long, first
, long, second
, long, third
,
1040 void *, ptr
, long, fifth
)
1041 static int safe_msgsnd(int msgid
, const void *msgp
, size_t sz
, int flags
)
1043 return safe_ipc(Q_IPCCALL(0, Q_MSGSND
), msgid
, sz
, flags
, (void *)msgp
, 0);
1045 static int safe_msgrcv(int msgid
, void *msgp
, size_t sz
, long type
, int flags
)
1047 return safe_ipc(Q_IPCCALL(1, Q_MSGRCV
), msgid
, sz
, flags
, msgp
, type
);
1049 static int safe_semtimedop(int semid
, struct sembuf
*tsops
, unsigned nsops
,
1050 const struct timespec
*timeout
)
1052 return safe_ipc(Q_IPCCALL(0, Q_SEMTIMEDOP
), semid
, nsops
, 0, tsops
,
1056 #if defined(TARGET_NR_mq_open) && defined(__NR_mq_open)
1057 safe_syscall5(int, mq_timedsend
, int, mqdes
, const char *, msg_ptr
,
1058 size_t, len
, unsigned, prio
, const struct timespec
*, timeout
)
1059 safe_syscall5(int, mq_timedreceive
, int, mqdes
, char *, msg_ptr
,
1060 size_t, len
, unsigned *, prio
, const struct timespec
*, timeout
)
1062 /* We do ioctl like this rather than via safe_syscall3 to preserve the
1063 * "third argument might be integer or pointer or not present" behaviour of
1064 * the libc function.
1066 #define safe_ioctl(...) safe_syscall(__NR_ioctl, __VA_ARGS__)
1067 /* Similarly for fcntl. Note that callers must always:
1068 * pass the F_GETLK64 etc constants rather than the unsuffixed F_GETLK
1069 * use the flock64 struct rather than unsuffixed flock
1070 * This will then work and use a 64-bit offset for both 32-bit and 64-bit hosts.
1073 #define safe_fcntl(...) safe_syscall(__NR_fcntl64, __VA_ARGS__)
1075 #define safe_fcntl(...) safe_syscall(__NR_fcntl, __VA_ARGS__)
1078 static inline int host_to_target_sock_type(int host_type
)
1082 switch (host_type
& 0xf /* SOCK_TYPE_MASK */) {
1084 target_type
= TARGET_SOCK_DGRAM
;
1087 target_type
= TARGET_SOCK_STREAM
;
1090 target_type
= host_type
& 0xf /* SOCK_TYPE_MASK */;
1094 #if defined(SOCK_CLOEXEC)
1095 if (host_type
& SOCK_CLOEXEC
) {
1096 target_type
|= TARGET_SOCK_CLOEXEC
;
1100 #if defined(SOCK_NONBLOCK)
1101 if (host_type
& SOCK_NONBLOCK
) {
1102 target_type
|= TARGET_SOCK_NONBLOCK
;
1109 static abi_ulong target_brk
;
1110 static abi_ulong target_original_brk
;
1111 static abi_ulong brk_page
;
1113 void target_set_brk(abi_ulong new_brk
)
1115 target_original_brk
= target_brk
= HOST_PAGE_ALIGN(new_brk
);
1116 brk_page
= HOST_PAGE_ALIGN(target_brk
);
1119 //#define DEBUGF_BRK(message, args...) do { fprintf(stderr, (message), ## args); } while (0)
1120 #define DEBUGF_BRK(message, args...)
1122 /* do_brk() must return target values and target errnos. */
1123 abi_long
do_brk(abi_ulong new_brk
)
1125 abi_long mapped_addr
;
1126 abi_ulong new_alloc_size
;
1128 DEBUGF_BRK("do_brk(" TARGET_ABI_FMT_lx
") -> ", new_brk
);
1131 DEBUGF_BRK(TARGET_ABI_FMT_lx
" (!new_brk)\n", target_brk
);
1134 if (new_brk
< target_original_brk
) {
1135 DEBUGF_BRK(TARGET_ABI_FMT_lx
" (new_brk < target_original_brk)\n",
1140 /* If the new brk is less than the highest page reserved to the
1141 * target heap allocation, set it and we're almost done... */
1142 if (new_brk
<= brk_page
) {
1143 /* Heap contents are initialized to zero, as for anonymous
1145 if (new_brk
> target_brk
) {
1146 memset(g2h(target_brk
), 0, new_brk
- target_brk
);
1148 target_brk
= new_brk
;
1149 DEBUGF_BRK(TARGET_ABI_FMT_lx
" (new_brk <= brk_page)\n", target_brk
);
1153 /* We need to allocate more memory after the brk... Note that
1154 * we don't use MAP_FIXED because that will map over the top of
1155 * any existing mapping (like the one with the host libc or qemu
1156 * itself); instead we treat "mapped but at wrong address" as
1157 * a failure and unmap again.
1159 new_alloc_size
= HOST_PAGE_ALIGN(new_brk
- brk_page
);
1160 mapped_addr
= get_errno(target_mmap(brk_page
, new_alloc_size
,
1161 PROT_READ
|PROT_WRITE
,
1162 MAP_ANON
|MAP_PRIVATE
, 0, 0));
1164 if (mapped_addr
== brk_page
) {
1165 /* Heap contents are initialized to zero, as for anonymous
1166 * mapped pages. Technically the new pages are already
1167 * initialized to zero since they *are* anonymous mapped
1168 * pages, however we have to take care with the contents that
1169 * come from the remaining part of the previous page: it may
1170 * contains garbage data due to a previous heap usage (grown
1171 * then shrunken). */
1172 memset(g2h(target_brk
), 0, brk_page
- target_brk
);
1174 target_brk
= new_brk
;
1175 brk_page
= HOST_PAGE_ALIGN(target_brk
);
1176 DEBUGF_BRK(TARGET_ABI_FMT_lx
" (mapped_addr == brk_page)\n",
1179 } else if (mapped_addr
!= -1) {
1180 /* Mapped but at wrong address, meaning there wasn't actually
1181 * enough space for this brk.
1183 target_munmap(mapped_addr
, new_alloc_size
);
1185 DEBUGF_BRK(TARGET_ABI_FMT_lx
" (mapped_addr != -1)\n", target_brk
);
1188 DEBUGF_BRK(TARGET_ABI_FMT_lx
" (otherwise)\n", target_brk
);
1191 #if defined(TARGET_ALPHA)
1192 /* We (partially) emulate OSF/1 on Alpha, which requires we
1193 return a proper errno, not an unchanged brk value. */
1194 return -TARGET_ENOMEM
;
1196 /* For everything else, return the previous break. */
1200 static inline abi_long
copy_from_user_fdset(fd_set
*fds
,
1201 abi_ulong target_fds_addr
,
1205 abi_ulong b
, *target_fds
;
1207 nw
= DIV_ROUND_UP(n
, TARGET_ABI_BITS
);
1208 if (!(target_fds
= lock_user(VERIFY_READ
,
1210 sizeof(abi_ulong
) * nw
,
1212 return -TARGET_EFAULT
;
1216 for (i
= 0; i
< nw
; i
++) {
1217 /* grab the abi_ulong */
1218 __get_user(b
, &target_fds
[i
]);
1219 for (j
= 0; j
< TARGET_ABI_BITS
; j
++) {
1220 /* check the bit inside the abi_ulong */
1227 unlock_user(target_fds
, target_fds_addr
, 0);
1232 static inline abi_ulong
copy_from_user_fdset_ptr(fd_set
*fds
, fd_set
**fds_ptr
,
1233 abi_ulong target_fds_addr
,
1236 if (target_fds_addr
) {
1237 if (copy_from_user_fdset(fds
, target_fds_addr
, n
))
1238 return -TARGET_EFAULT
;
1246 static inline abi_long
copy_to_user_fdset(abi_ulong target_fds_addr
,
1252 abi_ulong
*target_fds
;
1254 nw
= DIV_ROUND_UP(n
, TARGET_ABI_BITS
);
1255 if (!(target_fds
= lock_user(VERIFY_WRITE
,
1257 sizeof(abi_ulong
) * nw
,
1259 return -TARGET_EFAULT
;
1262 for (i
= 0; i
< nw
; i
++) {
1264 for (j
= 0; j
< TARGET_ABI_BITS
; j
++) {
1265 v
|= ((abi_ulong
)(FD_ISSET(k
, fds
) != 0) << j
);
1268 __put_user(v
, &target_fds
[i
]);
1271 unlock_user(target_fds
, target_fds_addr
, sizeof(abi_ulong
) * nw
);
1276 #if defined(__alpha__)
1277 #define HOST_HZ 1024
1282 static inline abi_long
host_to_target_clock_t(long ticks
)
1284 #if HOST_HZ == TARGET_HZ
1287 return ((int64_t)ticks
* TARGET_HZ
) / HOST_HZ
;
1291 static inline abi_long
host_to_target_rusage(abi_ulong target_addr
,
1292 const struct rusage
*rusage
)
1294 struct target_rusage
*target_rusage
;
1296 if (!lock_user_struct(VERIFY_WRITE
, target_rusage
, target_addr
, 0))
1297 return -TARGET_EFAULT
;
1298 target_rusage
->ru_utime
.tv_sec
= tswapal(rusage
->ru_utime
.tv_sec
);
1299 target_rusage
->ru_utime
.tv_usec
= tswapal(rusage
->ru_utime
.tv_usec
);
1300 target_rusage
->ru_stime
.tv_sec
= tswapal(rusage
->ru_stime
.tv_sec
);
1301 target_rusage
->ru_stime
.tv_usec
= tswapal(rusage
->ru_stime
.tv_usec
);
1302 target_rusage
->ru_maxrss
= tswapal(rusage
->ru_maxrss
);
1303 target_rusage
->ru_ixrss
= tswapal(rusage
->ru_ixrss
);
1304 target_rusage
->ru_idrss
= tswapal(rusage
->ru_idrss
);
1305 target_rusage
->ru_isrss
= tswapal(rusage
->ru_isrss
);
1306 target_rusage
->ru_minflt
= tswapal(rusage
->ru_minflt
);
1307 target_rusage
->ru_majflt
= tswapal(rusage
->ru_majflt
);
1308 target_rusage
->ru_nswap
= tswapal(rusage
->ru_nswap
);
1309 target_rusage
->ru_inblock
= tswapal(rusage
->ru_inblock
);
1310 target_rusage
->ru_oublock
= tswapal(rusage
->ru_oublock
);
1311 target_rusage
->ru_msgsnd
= tswapal(rusage
->ru_msgsnd
);
1312 target_rusage
->ru_msgrcv
= tswapal(rusage
->ru_msgrcv
);
1313 target_rusage
->ru_nsignals
= tswapal(rusage
->ru_nsignals
);
1314 target_rusage
->ru_nvcsw
= tswapal(rusage
->ru_nvcsw
);
1315 target_rusage
->ru_nivcsw
= tswapal(rusage
->ru_nivcsw
);
1316 unlock_user_struct(target_rusage
, target_addr
, 1);
1321 static inline rlim_t
target_to_host_rlim(abi_ulong target_rlim
)
1323 abi_ulong target_rlim_swap
;
1326 target_rlim_swap
= tswapal(target_rlim
);
1327 if (target_rlim_swap
== TARGET_RLIM_INFINITY
)
1328 return RLIM_INFINITY
;
1330 result
= target_rlim_swap
;
1331 if (target_rlim_swap
!= (rlim_t
)result
)
1332 return RLIM_INFINITY
;
1337 static inline abi_ulong
host_to_target_rlim(rlim_t rlim
)
1339 abi_ulong target_rlim_swap
;
1342 if (rlim
== RLIM_INFINITY
|| rlim
!= (abi_long
)rlim
)
1343 target_rlim_swap
= TARGET_RLIM_INFINITY
;
1345 target_rlim_swap
= rlim
;
1346 result
= tswapal(target_rlim_swap
);
1351 static inline int target_to_host_resource(int code
)
1354 case TARGET_RLIMIT_AS
:
1356 case TARGET_RLIMIT_CORE
:
1358 case TARGET_RLIMIT_CPU
:
1360 case TARGET_RLIMIT_DATA
:
1362 case TARGET_RLIMIT_FSIZE
:
1363 return RLIMIT_FSIZE
;
1364 case TARGET_RLIMIT_LOCKS
:
1365 return RLIMIT_LOCKS
;
1366 case TARGET_RLIMIT_MEMLOCK
:
1367 return RLIMIT_MEMLOCK
;
1368 case TARGET_RLIMIT_MSGQUEUE
:
1369 return RLIMIT_MSGQUEUE
;
1370 case TARGET_RLIMIT_NICE
:
1372 case TARGET_RLIMIT_NOFILE
:
1373 return RLIMIT_NOFILE
;
1374 case TARGET_RLIMIT_NPROC
:
1375 return RLIMIT_NPROC
;
1376 case TARGET_RLIMIT_RSS
:
1378 case TARGET_RLIMIT_RTPRIO
:
1379 return RLIMIT_RTPRIO
;
1380 case TARGET_RLIMIT_SIGPENDING
:
1381 return RLIMIT_SIGPENDING
;
1382 case TARGET_RLIMIT_STACK
:
1383 return RLIMIT_STACK
;
1389 static inline abi_long
copy_from_user_timeval(struct timeval
*tv
,
1390 abi_ulong target_tv_addr
)
1392 struct target_timeval
*target_tv
;
1394 if (!lock_user_struct(VERIFY_READ
, target_tv
, target_tv_addr
, 1))
1395 return -TARGET_EFAULT
;
1397 __get_user(tv
->tv_sec
, &target_tv
->tv_sec
);
1398 __get_user(tv
->tv_usec
, &target_tv
->tv_usec
);
1400 unlock_user_struct(target_tv
, target_tv_addr
, 0);
1405 static inline abi_long
copy_to_user_timeval(abi_ulong target_tv_addr
,
1406 const struct timeval
*tv
)
1408 struct target_timeval
*target_tv
;
1410 if (!lock_user_struct(VERIFY_WRITE
, target_tv
, target_tv_addr
, 0))
1411 return -TARGET_EFAULT
;
1413 __put_user(tv
->tv_sec
, &target_tv
->tv_sec
);
1414 __put_user(tv
->tv_usec
, &target_tv
->tv_usec
);
1416 unlock_user_struct(target_tv
, target_tv_addr
, 1);
1421 static inline abi_long
copy_from_user_timezone(struct timezone
*tz
,
1422 abi_ulong target_tz_addr
)
1424 struct target_timezone
*target_tz
;
1426 if (!lock_user_struct(VERIFY_READ
, target_tz
, target_tz_addr
, 1)) {
1427 return -TARGET_EFAULT
;
1430 __get_user(tz
->tz_minuteswest
, &target_tz
->tz_minuteswest
);
1431 __get_user(tz
->tz_dsttime
, &target_tz
->tz_dsttime
);
1433 unlock_user_struct(target_tz
, target_tz_addr
, 0);
1438 #if defined(TARGET_NR_mq_open) && defined(__NR_mq_open)
1441 static inline abi_long
copy_from_user_mq_attr(struct mq_attr
*attr
,
1442 abi_ulong target_mq_attr_addr
)
1444 struct target_mq_attr
*target_mq_attr
;
1446 if (!lock_user_struct(VERIFY_READ
, target_mq_attr
,
1447 target_mq_attr_addr
, 1))
1448 return -TARGET_EFAULT
;
1450 __get_user(attr
->mq_flags
, &target_mq_attr
->mq_flags
);
1451 __get_user(attr
->mq_maxmsg
, &target_mq_attr
->mq_maxmsg
);
1452 __get_user(attr
->mq_msgsize
, &target_mq_attr
->mq_msgsize
);
1453 __get_user(attr
->mq_curmsgs
, &target_mq_attr
->mq_curmsgs
);
1455 unlock_user_struct(target_mq_attr
, target_mq_attr_addr
, 0);
1460 static inline abi_long
copy_to_user_mq_attr(abi_ulong target_mq_attr_addr
,
1461 const struct mq_attr
*attr
)
1463 struct target_mq_attr
*target_mq_attr
;
1465 if (!lock_user_struct(VERIFY_WRITE
, target_mq_attr
,
1466 target_mq_attr_addr
, 0))
1467 return -TARGET_EFAULT
;
1469 __put_user(attr
->mq_flags
, &target_mq_attr
->mq_flags
);
1470 __put_user(attr
->mq_maxmsg
, &target_mq_attr
->mq_maxmsg
);
1471 __put_user(attr
->mq_msgsize
, &target_mq_attr
->mq_msgsize
);
1472 __put_user(attr
->mq_curmsgs
, &target_mq_attr
->mq_curmsgs
);
1474 unlock_user_struct(target_mq_attr
, target_mq_attr_addr
, 1);
1480 #if defined(TARGET_NR_select) || defined(TARGET_NR__newselect)
1481 /* do_select() must return target values and target errnos. */
1482 static abi_long
do_select(int n
,
1483 abi_ulong rfd_addr
, abi_ulong wfd_addr
,
1484 abi_ulong efd_addr
, abi_ulong target_tv_addr
)
1486 fd_set rfds
, wfds
, efds
;
1487 fd_set
*rfds_ptr
, *wfds_ptr
, *efds_ptr
;
1489 struct timespec ts
, *ts_ptr
;
1492 ret
= copy_from_user_fdset_ptr(&rfds
, &rfds_ptr
, rfd_addr
, n
);
1496 ret
= copy_from_user_fdset_ptr(&wfds
, &wfds_ptr
, wfd_addr
, n
);
1500 ret
= copy_from_user_fdset_ptr(&efds
, &efds_ptr
, efd_addr
, n
);
1505 if (target_tv_addr
) {
1506 if (copy_from_user_timeval(&tv
, target_tv_addr
))
1507 return -TARGET_EFAULT
;
1508 ts
.tv_sec
= tv
.tv_sec
;
1509 ts
.tv_nsec
= tv
.tv_usec
* 1000;
1515 ret
= get_errno(safe_pselect6(n
, rfds_ptr
, wfds_ptr
, efds_ptr
,
1518 if (!is_error(ret
)) {
1519 if (rfd_addr
&& copy_to_user_fdset(rfd_addr
, &rfds
, n
))
1520 return -TARGET_EFAULT
;
1521 if (wfd_addr
&& copy_to_user_fdset(wfd_addr
, &wfds
, n
))
1522 return -TARGET_EFAULT
;
1523 if (efd_addr
&& copy_to_user_fdset(efd_addr
, &efds
, n
))
1524 return -TARGET_EFAULT
;
1526 if (target_tv_addr
) {
1527 tv
.tv_sec
= ts
.tv_sec
;
1528 tv
.tv_usec
= ts
.tv_nsec
/ 1000;
1529 if (copy_to_user_timeval(target_tv_addr
, &tv
)) {
1530 return -TARGET_EFAULT
;
1538 #if defined(TARGET_WANT_OLD_SYS_SELECT)
1539 static abi_long
do_old_select(abi_ulong arg1
)
1541 struct target_sel_arg_struct
*sel
;
1542 abi_ulong inp
, outp
, exp
, tvp
;
1545 if (!lock_user_struct(VERIFY_READ
, sel
, arg1
, 1)) {
1546 return -TARGET_EFAULT
;
1549 nsel
= tswapal(sel
->n
);
1550 inp
= tswapal(sel
->inp
);
1551 outp
= tswapal(sel
->outp
);
1552 exp
= tswapal(sel
->exp
);
1553 tvp
= tswapal(sel
->tvp
);
1555 unlock_user_struct(sel
, arg1
, 0);
1557 return do_select(nsel
, inp
, outp
, exp
, tvp
);
1562 static abi_long
do_pipe2(int host_pipe
[], int flags
)
1565 return pipe2(host_pipe
, flags
);
1571 static abi_long
do_pipe(void *cpu_env
, abi_ulong pipedes
,
1572 int flags
, int is_pipe2
)
1576 ret
= flags
? do_pipe2(host_pipe
, flags
) : pipe(host_pipe
);
1579 return get_errno(ret
);
1581 /* Several targets have special calling conventions for the original
1582 pipe syscall, but didn't replicate this into the pipe2 syscall. */
1584 #if defined(TARGET_ALPHA)
1585 ((CPUAlphaState
*)cpu_env
)->ir
[IR_A4
] = host_pipe
[1];
1586 return host_pipe
[0];
1587 #elif defined(TARGET_MIPS)
1588 ((CPUMIPSState
*)cpu_env
)->active_tc
.gpr
[3] = host_pipe
[1];
1589 return host_pipe
[0];
1590 #elif defined(TARGET_SH4)
1591 ((CPUSH4State
*)cpu_env
)->gregs
[1] = host_pipe
[1];
1592 return host_pipe
[0];
1593 #elif defined(TARGET_SPARC)
1594 ((CPUSPARCState
*)cpu_env
)->regwptr
[1] = host_pipe
[1];
1595 return host_pipe
[0];
1599 if (put_user_s32(host_pipe
[0], pipedes
)
1600 || put_user_s32(host_pipe
[1], pipedes
+ sizeof(host_pipe
[0])))
1601 return -TARGET_EFAULT
;
1602 return get_errno(ret
);
1605 static inline abi_long
target_to_host_ip_mreq(struct ip_mreqn
*mreqn
,
1606 abi_ulong target_addr
,
1609 struct target_ip_mreqn
*target_smreqn
;
1611 target_smreqn
= lock_user(VERIFY_READ
, target_addr
, len
, 1);
1613 return -TARGET_EFAULT
;
1614 mreqn
->imr_multiaddr
.s_addr
= target_smreqn
->imr_multiaddr
.s_addr
;
1615 mreqn
->imr_address
.s_addr
= target_smreqn
->imr_address
.s_addr
;
1616 if (len
== sizeof(struct target_ip_mreqn
))
1617 mreqn
->imr_ifindex
= tswapal(target_smreqn
->imr_ifindex
);
1618 unlock_user(target_smreqn
, target_addr
, 0);
1623 static inline abi_long
target_to_host_sockaddr(int fd
, struct sockaddr
*addr
,
1624 abi_ulong target_addr
,
1627 const socklen_t unix_maxlen
= sizeof (struct sockaddr_un
);
1628 sa_family_t sa_family
;
1629 struct target_sockaddr
*target_saddr
;
1631 if (fd_trans_target_to_host_addr(fd
)) {
1632 return fd_trans_target_to_host_addr(fd
)(addr
, target_addr
, len
);
1635 target_saddr
= lock_user(VERIFY_READ
, target_addr
, len
, 1);
1637 return -TARGET_EFAULT
;
1639 sa_family
= tswap16(target_saddr
->sa_family
);
1641 /* Oops. The caller might send a incomplete sun_path; sun_path
1642 * must be terminated by \0 (see the manual page), but
1643 * unfortunately it is quite common to specify sockaddr_un
1644 * length as "strlen(x->sun_path)" while it should be
1645 * "strlen(...) + 1". We'll fix that here if needed.
1646 * Linux kernel has a similar feature.
1649 if (sa_family
== AF_UNIX
) {
1650 if (len
< unix_maxlen
&& len
> 0) {
1651 char *cp
= (char*)target_saddr
;
1653 if ( cp
[len
-1] && !cp
[len
] )
1656 if (len
> unix_maxlen
)
1660 memcpy(addr
, target_saddr
, len
);
1661 addr
->sa_family
= sa_family
;
1662 if (sa_family
== AF_NETLINK
) {
1663 struct sockaddr_nl
*nladdr
;
1665 nladdr
= (struct sockaddr_nl
*)addr
;
1666 nladdr
->nl_pid
= tswap32(nladdr
->nl_pid
);
1667 nladdr
->nl_groups
= tswap32(nladdr
->nl_groups
);
1668 } else if (sa_family
== AF_PACKET
) {
1669 struct target_sockaddr_ll
*lladdr
;
1671 lladdr
= (struct target_sockaddr_ll
*)addr
;
1672 lladdr
->sll_ifindex
= tswap32(lladdr
->sll_ifindex
);
1673 lladdr
->sll_hatype
= tswap16(lladdr
->sll_hatype
);
1675 unlock_user(target_saddr
, target_addr
, 0);
1680 static inline abi_long
host_to_target_sockaddr(abi_ulong target_addr
,
1681 struct sockaddr
*addr
,
1684 struct target_sockaddr
*target_saddr
;
1691 target_saddr
= lock_user(VERIFY_WRITE
, target_addr
, len
, 0);
1693 return -TARGET_EFAULT
;
1694 memcpy(target_saddr
, addr
, len
);
1695 if (len
>= offsetof(struct target_sockaddr
, sa_family
) +
1696 sizeof(target_saddr
->sa_family
)) {
1697 target_saddr
->sa_family
= tswap16(addr
->sa_family
);
1699 if (addr
->sa_family
== AF_NETLINK
&& len
>= sizeof(struct sockaddr_nl
)) {
1700 struct sockaddr_nl
*target_nl
= (struct sockaddr_nl
*)target_saddr
;
1701 target_nl
->nl_pid
= tswap32(target_nl
->nl_pid
);
1702 target_nl
->nl_groups
= tswap32(target_nl
->nl_groups
);
1703 } else if (addr
->sa_family
== AF_PACKET
) {
1704 struct sockaddr_ll
*target_ll
= (struct sockaddr_ll
*)target_saddr
;
1705 target_ll
->sll_ifindex
= tswap32(target_ll
->sll_ifindex
);
1706 target_ll
->sll_hatype
= tswap16(target_ll
->sll_hatype
);
1707 } else if (addr
->sa_family
== AF_INET6
&&
1708 len
>= sizeof(struct target_sockaddr_in6
)) {
1709 struct target_sockaddr_in6
*target_in6
=
1710 (struct target_sockaddr_in6
*)target_saddr
;
1711 target_in6
->sin6_scope_id
= tswap16(target_in6
->sin6_scope_id
);
1713 unlock_user(target_saddr
, target_addr
, len
);
1718 static inline abi_long
target_to_host_cmsg(struct msghdr
*msgh
,
1719 struct target_msghdr
*target_msgh
)
1721 struct cmsghdr
*cmsg
= CMSG_FIRSTHDR(msgh
);
1722 abi_long msg_controllen
;
1723 abi_ulong target_cmsg_addr
;
1724 struct target_cmsghdr
*target_cmsg
, *target_cmsg_start
;
1725 socklen_t space
= 0;
1727 msg_controllen
= tswapal(target_msgh
->msg_controllen
);
1728 if (msg_controllen
< sizeof (struct target_cmsghdr
))
1730 target_cmsg_addr
= tswapal(target_msgh
->msg_control
);
1731 target_cmsg
= lock_user(VERIFY_READ
, target_cmsg_addr
, msg_controllen
, 1);
1732 target_cmsg_start
= target_cmsg
;
1734 return -TARGET_EFAULT
;
1736 while (cmsg
&& target_cmsg
) {
1737 void *data
= CMSG_DATA(cmsg
);
1738 void *target_data
= TARGET_CMSG_DATA(target_cmsg
);
1740 int len
= tswapal(target_cmsg
->cmsg_len
)
1741 - sizeof(struct target_cmsghdr
);
1743 space
+= CMSG_SPACE(len
);
1744 if (space
> msgh
->msg_controllen
) {
1745 space
-= CMSG_SPACE(len
);
1746 /* This is a QEMU bug, since we allocated the payload
1747 * area ourselves (unlike overflow in host-to-target
1748 * conversion, which is just the guest giving us a buffer
1749 * that's too small). It can't happen for the payload types
1750 * we currently support; if it becomes an issue in future
1751 * we would need to improve our allocation strategy to
1752 * something more intelligent than "twice the size of the
1753 * target buffer we're reading from".
1755 gemu_log("Host cmsg overflow\n");
1759 if (tswap32(target_cmsg
->cmsg_level
) == TARGET_SOL_SOCKET
) {
1760 cmsg
->cmsg_level
= SOL_SOCKET
;
1762 cmsg
->cmsg_level
= tswap32(target_cmsg
->cmsg_level
);
1764 cmsg
->cmsg_type
= tswap32(target_cmsg
->cmsg_type
);
1765 cmsg
->cmsg_len
= CMSG_LEN(len
);
1767 if (cmsg
->cmsg_level
== SOL_SOCKET
&& cmsg
->cmsg_type
== SCM_RIGHTS
) {
1768 int *fd
= (int *)data
;
1769 int *target_fd
= (int *)target_data
;
1770 int i
, numfds
= len
/ sizeof(int);
1772 for (i
= 0; i
< numfds
; i
++) {
1773 __get_user(fd
[i
], target_fd
+ i
);
1775 } else if (cmsg
->cmsg_level
== SOL_SOCKET
1776 && cmsg
->cmsg_type
== SCM_CREDENTIALS
) {
1777 struct ucred
*cred
= (struct ucred
*)data
;
1778 struct target_ucred
*target_cred
=
1779 (struct target_ucred
*)target_data
;
1781 __get_user(cred
->pid
, &target_cred
->pid
);
1782 __get_user(cred
->uid
, &target_cred
->uid
);
1783 __get_user(cred
->gid
, &target_cred
->gid
);
1785 gemu_log("Unsupported ancillary data: %d/%d\n",
1786 cmsg
->cmsg_level
, cmsg
->cmsg_type
);
1787 memcpy(data
, target_data
, len
);
1790 cmsg
= CMSG_NXTHDR(msgh
, cmsg
);
1791 target_cmsg
= TARGET_CMSG_NXTHDR(target_msgh
, target_cmsg
,
1794 unlock_user(target_cmsg
, target_cmsg_addr
, 0);
1796 msgh
->msg_controllen
= space
;
1800 static inline abi_long
host_to_target_cmsg(struct target_msghdr
*target_msgh
,
1801 struct msghdr
*msgh
)
1803 struct cmsghdr
*cmsg
= CMSG_FIRSTHDR(msgh
);
1804 abi_long msg_controllen
;
1805 abi_ulong target_cmsg_addr
;
1806 struct target_cmsghdr
*target_cmsg
, *target_cmsg_start
;
1807 socklen_t space
= 0;
1809 msg_controllen
= tswapal(target_msgh
->msg_controllen
);
1810 if (msg_controllen
< sizeof (struct target_cmsghdr
))
1812 target_cmsg_addr
= tswapal(target_msgh
->msg_control
);
1813 target_cmsg
= lock_user(VERIFY_WRITE
, target_cmsg_addr
, msg_controllen
, 0);
1814 target_cmsg_start
= target_cmsg
;
1816 return -TARGET_EFAULT
;
1818 while (cmsg
&& target_cmsg
) {
1819 void *data
= CMSG_DATA(cmsg
);
1820 void *target_data
= TARGET_CMSG_DATA(target_cmsg
);
1822 int len
= cmsg
->cmsg_len
- sizeof(struct cmsghdr
);
1823 int tgt_len
, tgt_space
;
1825 /* We never copy a half-header but may copy half-data;
1826 * this is Linux's behaviour in put_cmsg(). Note that
1827 * truncation here is a guest problem (which we report
1828 * to the guest via the CTRUNC bit), unlike truncation
1829 * in target_to_host_cmsg, which is a QEMU bug.
1831 if (msg_controllen
< sizeof(struct target_cmsghdr
)) {
1832 target_msgh
->msg_flags
|= tswap32(MSG_CTRUNC
);
1836 if (cmsg
->cmsg_level
== SOL_SOCKET
) {
1837 target_cmsg
->cmsg_level
= tswap32(TARGET_SOL_SOCKET
);
1839 target_cmsg
->cmsg_level
= tswap32(cmsg
->cmsg_level
);
1841 target_cmsg
->cmsg_type
= tswap32(cmsg
->cmsg_type
);
1843 /* Payload types which need a different size of payload on
1844 * the target must adjust tgt_len here.
1847 switch (cmsg
->cmsg_level
) {
1849 switch (cmsg
->cmsg_type
) {
1851 tgt_len
= sizeof(struct target_timeval
);
1861 if (msg_controllen
< TARGET_CMSG_LEN(tgt_len
)) {
1862 target_msgh
->msg_flags
|= tswap32(MSG_CTRUNC
);
1863 tgt_len
= msg_controllen
- sizeof(struct target_cmsghdr
);
1866 /* We must now copy-and-convert len bytes of payload
1867 * into tgt_len bytes of destination space. Bear in mind
1868 * that in both source and destination we may be dealing
1869 * with a truncated value!
1871 switch (cmsg
->cmsg_level
) {
1873 switch (cmsg
->cmsg_type
) {
1876 int *fd
= (int *)data
;
1877 int *target_fd
= (int *)target_data
;
1878 int i
, numfds
= tgt_len
/ sizeof(int);
1880 for (i
= 0; i
< numfds
; i
++) {
1881 __put_user(fd
[i
], target_fd
+ i
);
1887 struct timeval
*tv
= (struct timeval
*)data
;
1888 struct target_timeval
*target_tv
=
1889 (struct target_timeval
*)target_data
;
1891 if (len
!= sizeof(struct timeval
) ||
1892 tgt_len
!= sizeof(struct target_timeval
)) {
1896 /* copy struct timeval to target */
1897 __put_user(tv
->tv_sec
, &target_tv
->tv_sec
);
1898 __put_user(tv
->tv_usec
, &target_tv
->tv_usec
);
1901 case SCM_CREDENTIALS
:
1903 struct ucred
*cred
= (struct ucred
*)data
;
1904 struct target_ucred
*target_cred
=
1905 (struct target_ucred
*)target_data
;
1907 __put_user(cred
->pid
, &target_cred
->pid
);
1908 __put_user(cred
->uid
, &target_cred
->uid
);
1909 __put_user(cred
->gid
, &target_cred
->gid
);
1918 switch (cmsg
->cmsg_type
) {
1921 uint32_t *v
= (uint32_t *)data
;
1922 uint32_t *t_int
= (uint32_t *)target_data
;
1924 if (len
!= sizeof(uint32_t) ||
1925 tgt_len
!= sizeof(uint32_t)) {
1928 __put_user(*v
, t_int
);
1934 struct sock_extended_err ee
;
1935 struct sockaddr_in offender
;
1937 struct errhdr_t
*errh
= (struct errhdr_t
*)data
;
1938 struct errhdr_t
*target_errh
=
1939 (struct errhdr_t
*)target_data
;
1941 if (len
!= sizeof(struct errhdr_t
) ||
1942 tgt_len
!= sizeof(struct errhdr_t
)) {
1945 __put_user(errh
->ee
.ee_errno
, &target_errh
->ee
.ee_errno
);
1946 __put_user(errh
->ee
.ee_origin
, &target_errh
->ee
.ee_origin
);
1947 __put_user(errh
->ee
.ee_type
, &target_errh
->ee
.ee_type
);
1948 __put_user(errh
->ee
.ee_code
, &target_errh
->ee
.ee_code
);
1949 __put_user(errh
->ee
.ee_pad
, &target_errh
->ee
.ee_pad
);
1950 __put_user(errh
->ee
.ee_info
, &target_errh
->ee
.ee_info
);
1951 __put_user(errh
->ee
.ee_data
, &target_errh
->ee
.ee_data
);
1952 host_to_target_sockaddr((unsigned long) &target_errh
->offender
,
1953 (void *) &errh
->offender
, sizeof(errh
->offender
));
1962 switch (cmsg
->cmsg_type
) {
1965 uint32_t *v
= (uint32_t *)data
;
1966 uint32_t *t_int
= (uint32_t *)target_data
;
1968 if (len
!= sizeof(uint32_t) ||
1969 tgt_len
!= sizeof(uint32_t)) {
1972 __put_user(*v
, t_int
);
1978 struct sock_extended_err ee
;
1979 struct sockaddr_in6 offender
;
1981 struct errhdr6_t
*errh
= (struct errhdr6_t
*)data
;
1982 struct errhdr6_t
*target_errh
=
1983 (struct errhdr6_t
*)target_data
;
1985 if (len
!= sizeof(struct errhdr6_t
) ||
1986 tgt_len
!= sizeof(struct errhdr6_t
)) {
1989 __put_user(errh
->ee
.ee_errno
, &target_errh
->ee
.ee_errno
);
1990 __put_user(errh
->ee
.ee_origin
, &target_errh
->ee
.ee_origin
);
1991 __put_user(errh
->ee
.ee_type
, &target_errh
->ee
.ee_type
);
1992 __put_user(errh
->ee
.ee_code
, &target_errh
->ee
.ee_code
);
1993 __put_user(errh
->ee
.ee_pad
, &target_errh
->ee
.ee_pad
);
1994 __put_user(errh
->ee
.ee_info
, &target_errh
->ee
.ee_info
);
1995 __put_user(errh
->ee
.ee_data
, &target_errh
->ee
.ee_data
);
1996 host_to_target_sockaddr((unsigned long) &target_errh
->offender
,
1997 (void *) &errh
->offender
, sizeof(errh
->offender
));
2007 gemu_log("Unsupported ancillary data: %d/%d\n",
2008 cmsg
->cmsg_level
, cmsg
->cmsg_type
);
2009 memcpy(target_data
, data
, MIN(len
, tgt_len
));
2010 if (tgt_len
> len
) {
2011 memset(target_data
+ len
, 0, tgt_len
- len
);
2015 target_cmsg
->cmsg_len
= tswapal(TARGET_CMSG_LEN(tgt_len
));
2016 tgt_space
= TARGET_CMSG_SPACE(tgt_len
);
2017 if (msg_controllen
< tgt_space
) {
2018 tgt_space
= msg_controllen
;
2020 msg_controllen
-= tgt_space
;
2022 cmsg
= CMSG_NXTHDR(msgh
, cmsg
);
2023 target_cmsg
= TARGET_CMSG_NXTHDR(target_msgh
, target_cmsg
,
2026 unlock_user(target_cmsg
, target_cmsg_addr
, space
);
2028 target_msgh
->msg_controllen
= tswapal(space
);
2032 static void tswap_nlmsghdr(struct nlmsghdr
*nlh
)
2034 nlh
->nlmsg_len
= tswap32(nlh
->nlmsg_len
);
2035 nlh
->nlmsg_type
= tswap16(nlh
->nlmsg_type
);
2036 nlh
->nlmsg_flags
= tswap16(nlh
->nlmsg_flags
);
2037 nlh
->nlmsg_seq
= tswap32(nlh
->nlmsg_seq
);
2038 nlh
->nlmsg_pid
= tswap32(nlh
->nlmsg_pid
);
2041 static abi_long
host_to_target_for_each_nlmsg(struct nlmsghdr
*nlh
,
2043 abi_long (*host_to_target_nlmsg
)
2044 (struct nlmsghdr
*))
2049 while (len
> sizeof(struct nlmsghdr
)) {
2051 nlmsg_len
= nlh
->nlmsg_len
;
2052 if (nlmsg_len
< sizeof(struct nlmsghdr
) ||
2057 switch (nlh
->nlmsg_type
) {
2059 tswap_nlmsghdr(nlh
);
2065 struct nlmsgerr
*e
= NLMSG_DATA(nlh
);
2066 e
->error
= tswap32(e
->error
);
2067 tswap_nlmsghdr(&e
->msg
);
2068 tswap_nlmsghdr(nlh
);
2072 ret
= host_to_target_nlmsg(nlh
);
2074 tswap_nlmsghdr(nlh
);
2079 tswap_nlmsghdr(nlh
);
2080 len
-= NLMSG_ALIGN(nlmsg_len
);
2081 nlh
= (struct nlmsghdr
*)(((char*)nlh
) + NLMSG_ALIGN(nlmsg_len
));
2086 static abi_long
target_to_host_for_each_nlmsg(struct nlmsghdr
*nlh
,
2088 abi_long (*target_to_host_nlmsg
)
2089 (struct nlmsghdr
*))
2093 while (len
> sizeof(struct nlmsghdr
)) {
2094 if (tswap32(nlh
->nlmsg_len
) < sizeof(struct nlmsghdr
) ||
2095 tswap32(nlh
->nlmsg_len
) > len
) {
2098 tswap_nlmsghdr(nlh
);
2099 switch (nlh
->nlmsg_type
) {
2106 struct nlmsgerr
*e
= NLMSG_DATA(nlh
);
2107 e
->error
= tswap32(e
->error
);
2108 tswap_nlmsghdr(&e
->msg
);
2112 ret
= target_to_host_nlmsg(nlh
);
2117 len
-= NLMSG_ALIGN(nlh
->nlmsg_len
);
2118 nlh
= (struct nlmsghdr
*)(((char *)nlh
) + NLMSG_ALIGN(nlh
->nlmsg_len
));
2123 #ifdef CONFIG_RTNETLINK
2124 static abi_long
host_to_target_for_each_nlattr(struct nlattr
*nlattr
,
2125 size_t len
, void *context
,
2126 abi_long (*host_to_target_nlattr
)
2130 unsigned short nla_len
;
2133 while (len
> sizeof(struct nlattr
)) {
2134 nla_len
= nlattr
->nla_len
;
2135 if (nla_len
< sizeof(struct nlattr
) ||
2139 ret
= host_to_target_nlattr(nlattr
, context
);
2140 nlattr
->nla_len
= tswap16(nlattr
->nla_len
);
2141 nlattr
->nla_type
= tswap16(nlattr
->nla_type
);
2145 len
-= NLA_ALIGN(nla_len
);
2146 nlattr
= (struct nlattr
*)(((char *)nlattr
) + NLA_ALIGN(nla_len
));
2151 static abi_long
host_to_target_for_each_rtattr(struct rtattr
*rtattr
,
2153 abi_long (*host_to_target_rtattr
)
2156 unsigned short rta_len
;
2159 while (len
> sizeof(struct rtattr
)) {
2160 rta_len
= rtattr
->rta_len
;
2161 if (rta_len
< sizeof(struct rtattr
) ||
2165 ret
= host_to_target_rtattr(rtattr
);
2166 rtattr
->rta_len
= tswap16(rtattr
->rta_len
);
2167 rtattr
->rta_type
= tswap16(rtattr
->rta_type
);
2171 len
-= RTA_ALIGN(rta_len
);
2172 rtattr
= (struct rtattr
*)(((char *)rtattr
) + RTA_ALIGN(rta_len
));
2177 #define NLA_DATA(nla) ((void *)((char *)(nla)) + NLA_HDRLEN)
2179 static abi_long
host_to_target_data_bridge_nlattr(struct nlattr
*nlattr
,
2186 switch (nlattr
->nla_type
) {
2188 case QEMU_IFLA_BR_FDB_FLUSH
:
2191 case QEMU_IFLA_BR_GROUP_ADDR
:
2194 case QEMU_IFLA_BR_VLAN_FILTERING
:
2195 case QEMU_IFLA_BR_TOPOLOGY_CHANGE
:
2196 case QEMU_IFLA_BR_TOPOLOGY_CHANGE_DETECTED
:
2197 case QEMU_IFLA_BR_MCAST_ROUTER
:
2198 case QEMU_IFLA_BR_MCAST_SNOOPING
:
2199 case QEMU_IFLA_BR_MCAST_QUERY_USE_IFADDR
:
2200 case QEMU_IFLA_BR_MCAST_QUERIER
:
2201 case QEMU_IFLA_BR_NF_CALL_IPTABLES
:
2202 case QEMU_IFLA_BR_NF_CALL_IP6TABLES
:
2203 case QEMU_IFLA_BR_NF_CALL_ARPTABLES
:
2204 case QEMU_IFLA_BR_VLAN_STATS_ENABLED
:
2205 case QEMU_IFLA_BR_MCAST_STATS_ENABLED
:
2206 case QEMU_IFLA_BR_MCAST_IGMP_VERSION
:
2207 case QEMU_IFLA_BR_MCAST_MLD_VERSION
:
2210 case QEMU_IFLA_BR_PRIORITY
:
2211 case QEMU_IFLA_BR_VLAN_PROTOCOL
:
2212 case QEMU_IFLA_BR_GROUP_FWD_MASK
:
2213 case QEMU_IFLA_BR_ROOT_PORT
:
2214 case QEMU_IFLA_BR_VLAN_DEFAULT_PVID
:
2215 u16
= NLA_DATA(nlattr
);
2216 *u16
= tswap16(*u16
);
2219 case QEMU_IFLA_BR_FORWARD_DELAY
:
2220 case QEMU_IFLA_BR_HELLO_TIME
:
2221 case QEMU_IFLA_BR_MAX_AGE
:
2222 case QEMU_IFLA_BR_AGEING_TIME
:
2223 case QEMU_IFLA_BR_STP_STATE
:
2224 case QEMU_IFLA_BR_ROOT_PATH_COST
:
2225 case QEMU_IFLA_BR_MCAST_HASH_ELASTICITY
:
2226 case QEMU_IFLA_BR_MCAST_HASH_MAX
:
2227 case QEMU_IFLA_BR_MCAST_LAST_MEMBER_CNT
:
2228 case QEMU_IFLA_BR_MCAST_STARTUP_QUERY_CNT
:
2229 u32
= NLA_DATA(nlattr
);
2230 *u32
= tswap32(*u32
);
2233 case QEMU_IFLA_BR_HELLO_TIMER
:
2234 case QEMU_IFLA_BR_TCN_TIMER
:
2235 case QEMU_IFLA_BR_GC_TIMER
:
2236 case QEMU_IFLA_BR_TOPOLOGY_CHANGE_TIMER
:
2237 case QEMU_IFLA_BR_MCAST_LAST_MEMBER_INTVL
:
2238 case QEMU_IFLA_BR_MCAST_MEMBERSHIP_INTVL
:
2239 case QEMU_IFLA_BR_MCAST_QUERIER_INTVL
:
2240 case QEMU_IFLA_BR_MCAST_QUERY_INTVL
:
2241 case QEMU_IFLA_BR_MCAST_QUERY_RESPONSE_INTVL
:
2242 case QEMU_IFLA_BR_MCAST_STARTUP_QUERY_INTVL
:
2243 u64
= NLA_DATA(nlattr
);
2244 *u64
= tswap64(*u64
);
2246 /* ifla_bridge_id: uin8_t[] */
2247 case QEMU_IFLA_BR_ROOT_ID
:
2248 case QEMU_IFLA_BR_BRIDGE_ID
:
2251 gemu_log("Unknown QEMU_IFLA_BR type %d\n", nlattr
->nla_type
);
2257 static abi_long
host_to_target_slave_data_bridge_nlattr(struct nlattr
*nlattr
,
2264 switch (nlattr
->nla_type
) {
2266 case QEMU_IFLA_BRPORT_STATE
:
2267 case QEMU_IFLA_BRPORT_MODE
:
2268 case QEMU_IFLA_BRPORT_GUARD
:
2269 case QEMU_IFLA_BRPORT_PROTECT
:
2270 case QEMU_IFLA_BRPORT_FAST_LEAVE
:
2271 case QEMU_IFLA_BRPORT_LEARNING
:
2272 case QEMU_IFLA_BRPORT_UNICAST_FLOOD
:
2273 case QEMU_IFLA_BRPORT_PROXYARP
:
2274 case QEMU_IFLA_BRPORT_LEARNING_SYNC
:
2275 case QEMU_IFLA_BRPORT_PROXYARP_WIFI
:
2276 case QEMU_IFLA_BRPORT_TOPOLOGY_CHANGE_ACK
:
2277 case QEMU_IFLA_BRPORT_CONFIG_PENDING
:
2278 case QEMU_IFLA_BRPORT_MULTICAST_ROUTER
:
2279 case QEMU_IFLA_BRPORT_MCAST_FLOOD
:
2280 case QEMU_IFLA_BRPORT_MCAST_TO_UCAST
:
2281 case QEMU_IFLA_BRPORT_VLAN_TUNNEL
:
2282 case QEMU_IFLA_BRPORT_BCAST_FLOOD
:
2283 case QEMU_IFLA_BRPORT_NEIGH_SUPPRESS
:
2286 case QEMU_IFLA_BRPORT_PRIORITY
:
2287 case QEMU_IFLA_BRPORT_DESIGNATED_PORT
:
2288 case QEMU_IFLA_BRPORT_DESIGNATED_COST
:
2289 case QEMU_IFLA_BRPORT_ID
:
2290 case QEMU_IFLA_BRPORT_NO
:
2291 case QEMU_IFLA_BRPORT_GROUP_FWD_MASK
:
2292 u16
= NLA_DATA(nlattr
);
2293 *u16
= tswap16(*u16
);
2296 case QEMU_IFLA_BRPORT_COST
:
2297 u32
= NLA_DATA(nlattr
);
2298 *u32
= tswap32(*u32
);
2301 case QEMU_IFLA_BRPORT_MESSAGE_AGE_TIMER
:
2302 case QEMU_IFLA_BRPORT_FORWARD_DELAY_TIMER
:
2303 case QEMU_IFLA_BRPORT_HOLD_TIMER
:
2304 u64
= NLA_DATA(nlattr
);
2305 *u64
= tswap64(*u64
);
2307 /* ifla_bridge_id: uint8_t[] */
2308 case QEMU_IFLA_BRPORT_ROOT_ID
:
2309 case QEMU_IFLA_BRPORT_BRIDGE_ID
:
2312 gemu_log("Unknown QEMU_IFLA_BRPORT type %d\n", nlattr
->nla_type
);
2318 struct linkinfo_context
{
2325 static abi_long
host_to_target_data_linkinfo_nlattr(struct nlattr
*nlattr
,
2328 struct linkinfo_context
*li_context
= context
;
2330 switch (nlattr
->nla_type
) {
2332 case QEMU_IFLA_INFO_KIND
:
2333 li_context
->name
= NLA_DATA(nlattr
);
2334 li_context
->len
= nlattr
->nla_len
- NLA_HDRLEN
;
2336 case QEMU_IFLA_INFO_SLAVE_KIND
:
2337 li_context
->slave_name
= NLA_DATA(nlattr
);
2338 li_context
->slave_len
= nlattr
->nla_len
- NLA_HDRLEN
;
2341 case QEMU_IFLA_INFO_XSTATS
:
2342 /* FIXME: only used by CAN */
2345 case QEMU_IFLA_INFO_DATA
:
2346 if (strncmp(li_context
->name
, "bridge",
2347 li_context
->len
) == 0) {
2348 return host_to_target_for_each_nlattr(NLA_DATA(nlattr
),
2351 host_to_target_data_bridge_nlattr
);
2353 gemu_log("Unknown QEMU_IFLA_INFO_KIND %s\n", li_context
->name
);
2356 case QEMU_IFLA_INFO_SLAVE_DATA
:
2357 if (strncmp(li_context
->slave_name
, "bridge",
2358 li_context
->slave_len
) == 0) {
2359 return host_to_target_for_each_nlattr(NLA_DATA(nlattr
),
2362 host_to_target_slave_data_bridge_nlattr
);
2364 gemu_log("Unknown QEMU_IFLA_INFO_SLAVE_KIND %s\n",
2365 li_context
->slave_name
);
2369 gemu_log("Unknown host QEMU_IFLA_INFO type: %d\n", nlattr
->nla_type
);
2376 static abi_long
host_to_target_data_inet_nlattr(struct nlattr
*nlattr
,
2382 switch (nlattr
->nla_type
) {
2383 case QEMU_IFLA_INET_CONF
:
2384 u32
= NLA_DATA(nlattr
);
2385 for (i
= 0; i
< (nlattr
->nla_len
- NLA_HDRLEN
) / sizeof(*u32
);
2387 u32
[i
] = tswap32(u32
[i
]);
2391 gemu_log("Unknown host AF_INET type: %d\n", nlattr
->nla_type
);
2396 static abi_long
host_to_target_data_inet6_nlattr(struct nlattr
*nlattr
,
2401 struct ifla_cacheinfo
*ci
;
2404 switch (nlattr
->nla_type
) {
2406 case QEMU_IFLA_INET6_TOKEN
:
2409 case QEMU_IFLA_INET6_ADDR_GEN_MODE
:
2412 case QEMU_IFLA_INET6_FLAGS
:
2413 u32
= NLA_DATA(nlattr
);
2414 *u32
= tswap32(*u32
);
2417 case QEMU_IFLA_INET6_CONF
:
2418 u32
= NLA_DATA(nlattr
);
2419 for (i
= 0; i
< (nlattr
->nla_len
- NLA_HDRLEN
) / sizeof(*u32
);
2421 u32
[i
] = tswap32(u32
[i
]);
2424 /* ifla_cacheinfo */
2425 case QEMU_IFLA_INET6_CACHEINFO
:
2426 ci
= NLA_DATA(nlattr
);
2427 ci
->max_reasm_len
= tswap32(ci
->max_reasm_len
);
2428 ci
->tstamp
= tswap32(ci
->tstamp
);
2429 ci
->reachable_time
= tswap32(ci
->reachable_time
);
2430 ci
->retrans_time
= tswap32(ci
->retrans_time
);
2433 case QEMU_IFLA_INET6_STATS
:
2434 case QEMU_IFLA_INET6_ICMP6STATS
:
2435 u64
= NLA_DATA(nlattr
);
2436 for (i
= 0; i
< (nlattr
->nla_len
- NLA_HDRLEN
) / sizeof(*u64
);
2438 u64
[i
] = tswap64(u64
[i
]);
2442 gemu_log("Unknown host AF_INET6 type: %d\n", nlattr
->nla_type
);
2447 static abi_long
host_to_target_data_spec_nlattr(struct nlattr
*nlattr
,
2450 switch (nlattr
->nla_type
) {
2452 return host_to_target_for_each_nlattr(NLA_DATA(nlattr
), nlattr
->nla_len
,
2454 host_to_target_data_inet_nlattr
);
2456 return host_to_target_for_each_nlattr(NLA_DATA(nlattr
), nlattr
->nla_len
,
2458 host_to_target_data_inet6_nlattr
);
2460 gemu_log("Unknown host AF_SPEC type: %d\n", nlattr
->nla_type
);
2466 static abi_long
host_to_target_data_xdp_nlattr(struct nlattr
*nlattr
,
2471 switch (nlattr
->nla_type
) {
2473 case QEMU_IFLA_XDP_ATTACHED
:
2476 case QEMU_IFLA_XDP_PROG_ID
:
2477 u32
= NLA_DATA(nlattr
);
2478 *u32
= tswap32(*u32
);
2481 gemu_log("Unknown host XDP type: %d\n", nlattr
->nla_type
);
2487 static abi_long
host_to_target_data_link_rtattr(struct rtattr
*rtattr
)
2490 struct rtnl_link_stats
*st
;
2491 struct rtnl_link_stats64
*st64
;
2492 struct rtnl_link_ifmap
*map
;
2493 struct linkinfo_context li_context
;
2495 switch (rtattr
->rta_type
) {
2497 case QEMU_IFLA_ADDRESS
:
2498 case QEMU_IFLA_BROADCAST
:
2500 case QEMU_IFLA_IFNAME
:
2501 case QEMU_IFLA_QDISC
:
2504 case QEMU_IFLA_OPERSTATE
:
2505 case QEMU_IFLA_LINKMODE
:
2506 case QEMU_IFLA_CARRIER
:
2507 case QEMU_IFLA_PROTO_DOWN
:
2511 case QEMU_IFLA_LINK
:
2512 case QEMU_IFLA_WEIGHT
:
2513 case QEMU_IFLA_TXQLEN
:
2514 case QEMU_IFLA_CARRIER_CHANGES
:
2515 case QEMU_IFLA_NUM_RX_QUEUES
:
2516 case QEMU_IFLA_NUM_TX_QUEUES
:
2517 case QEMU_IFLA_PROMISCUITY
:
2518 case QEMU_IFLA_EXT_MASK
:
2519 case QEMU_IFLA_LINK_NETNSID
:
2520 case QEMU_IFLA_GROUP
:
2521 case QEMU_IFLA_MASTER
:
2522 case QEMU_IFLA_NUM_VF
:
2523 case QEMU_IFLA_GSO_MAX_SEGS
:
2524 case QEMU_IFLA_GSO_MAX_SIZE
:
2525 case QEMU_IFLA_CARRIER_UP_COUNT
:
2526 case QEMU_IFLA_CARRIER_DOWN_COUNT
:
2527 u32
= RTA_DATA(rtattr
);
2528 *u32
= tswap32(*u32
);
2530 /* struct rtnl_link_stats */
2531 case QEMU_IFLA_STATS
:
2532 st
= RTA_DATA(rtattr
);
2533 st
->rx_packets
= tswap32(st
->rx_packets
);
2534 st
->tx_packets
= tswap32(st
->tx_packets
);
2535 st
->rx_bytes
= tswap32(st
->rx_bytes
);
2536 st
->tx_bytes
= tswap32(st
->tx_bytes
);
2537 st
->rx_errors
= tswap32(st
->rx_errors
);
2538 st
->tx_errors
= tswap32(st
->tx_errors
);
2539 st
->rx_dropped
= tswap32(st
->rx_dropped
);
2540 st
->tx_dropped
= tswap32(st
->tx_dropped
);
2541 st
->multicast
= tswap32(st
->multicast
);
2542 st
->collisions
= tswap32(st
->collisions
);
2544 /* detailed rx_errors: */
2545 st
->rx_length_errors
= tswap32(st
->rx_length_errors
);
2546 st
->rx_over_errors
= tswap32(st
->rx_over_errors
);
2547 st
->rx_crc_errors
= tswap32(st
->rx_crc_errors
);
2548 st
->rx_frame_errors
= tswap32(st
->rx_frame_errors
);
2549 st
->rx_fifo_errors
= tswap32(st
->rx_fifo_errors
);
2550 st
->rx_missed_errors
= tswap32(st
->rx_missed_errors
);
2552 /* detailed tx_errors */
2553 st
->tx_aborted_errors
= tswap32(st
->tx_aborted_errors
);
2554 st
->tx_carrier_errors
= tswap32(st
->tx_carrier_errors
);
2555 st
->tx_fifo_errors
= tswap32(st
->tx_fifo_errors
);
2556 st
->tx_heartbeat_errors
= tswap32(st
->tx_heartbeat_errors
);
2557 st
->tx_window_errors
= tswap32(st
->tx_window_errors
);
2560 st
->rx_compressed
= tswap32(st
->rx_compressed
);
2561 st
->tx_compressed
= tswap32(st
->tx_compressed
);
2563 /* struct rtnl_link_stats64 */
2564 case QEMU_IFLA_STATS64
:
2565 st64
= RTA_DATA(rtattr
);
2566 st64
->rx_packets
= tswap64(st64
->rx_packets
);
2567 st64
->tx_packets
= tswap64(st64
->tx_packets
);
2568 st64
->rx_bytes
= tswap64(st64
->rx_bytes
);
2569 st64
->tx_bytes
= tswap64(st64
->tx_bytes
);
2570 st64
->rx_errors
= tswap64(st64
->rx_errors
);
2571 st64
->tx_errors
= tswap64(st64
->tx_errors
);
2572 st64
->rx_dropped
= tswap64(st64
->rx_dropped
);
2573 st64
->tx_dropped
= tswap64(st64
->tx_dropped
);
2574 st64
->multicast
= tswap64(st64
->multicast
);
2575 st64
->collisions
= tswap64(st64
->collisions
);
2577 /* detailed rx_errors: */
2578 st64
->rx_length_errors
= tswap64(st64
->rx_length_errors
);
2579 st64
->rx_over_errors
= tswap64(st64
->rx_over_errors
);
2580 st64
->rx_crc_errors
= tswap64(st64
->rx_crc_errors
);
2581 st64
->rx_frame_errors
= tswap64(st64
->rx_frame_errors
);
2582 st64
->rx_fifo_errors
= tswap64(st64
->rx_fifo_errors
);
2583 st64
->rx_missed_errors
= tswap64(st64
->rx_missed_errors
);
2585 /* detailed tx_errors */
2586 st64
->tx_aborted_errors
= tswap64(st64
->tx_aborted_errors
);
2587 st64
->tx_carrier_errors
= tswap64(st64
->tx_carrier_errors
);
2588 st64
->tx_fifo_errors
= tswap64(st64
->tx_fifo_errors
);
2589 st64
->tx_heartbeat_errors
= tswap64(st64
->tx_heartbeat_errors
);
2590 st64
->tx_window_errors
= tswap64(st64
->tx_window_errors
);
2593 st64
->rx_compressed
= tswap64(st64
->rx_compressed
);
2594 st64
->tx_compressed
= tswap64(st64
->tx_compressed
);
2596 /* struct rtnl_link_ifmap */
2598 map
= RTA_DATA(rtattr
);
2599 map
->mem_start
= tswap64(map
->mem_start
);
2600 map
->mem_end
= tswap64(map
->mem_end
);
2601 map
->base_addr
= tswap64(map
->base_addr
);
2602 map
->irq
= tswap16(map
->irq
);
2605 case QEMU_IFLA_LINKINFO
:
2606 memset(&li_context
, 0, sizeof(li_context
));
2607 return host_to_target_for_each_nlattr(RTA_DATA(rtattr
), rtattr
->rta_len
,
2609 host_to_target_data_linkinfo_nlattr
);
2610 case QEMU_IFLA_AF_SPEC
:
2611 return host_to_target_for_each_nlattr(RTA_DATA(rtattr
), rtattr
->rta_len
,
2613 host_to_target_data_spec_nlattr
);
2615 return host_to_target_for_each_nlattr(RTA_DATA(rtattr
), rtattr
->rta_len
,
2617 host_to_target_data_xdp_nlattr
);
2619 gemu_log("Unknown host QEMU_IFLA type: %d\n", rtattr
->rta_type
);
2625 static abi_long
host_to_target_data_addr_rtattr(struct rtattr
*rtattr
)
2628 struct ifa_cacheinfo
*ci
;
2630 switch (rtattr
->rta_type
) {
2631 /* binary: depends on family type */
2641 u32
= RTA_DATA(rtattr
);
2642 *u32
= tswap32(*u32
);
2644 /* struct ifa_cacheinfo */
2646 ci
= RTA_DATA(rtattr
);
2647 ci
->ifa_prefered
= tswap32(ci
->ifa_prefered
);
2648 ci
->ifa_valid
= tswap32(ci
->ifa_valid
);
2649 ci
->cstamp
= tswap32(ci
->cstamp
);
2650 ci
->tstamp
= tswap32(ci
->tstamp
);
2653 gemu_log("Unknown host IFA type: %d\n", rtattr
->rta_type
);
2659 static abi_long
host_to_target_data_route_rtattr(struct rtattr
*rtattr
)
2662 switch (rtattr
->rta_type
) {
2663 /* binary: depends on family type */
2672 u32
= RTA_DATA(rtattr
);
2673 *u32
= tswap32(*u32
);
2676 gemu_log("Unknown host RTA type: %d\n", rtattr
->rta_type
);
2682 static abi_long
host_to_target_link_rtattr(struct rtattr
*rtattr
,
2683 uint32_t rtattr_len
)
2685 return host_to_target_for_each_rtattr(rtattr
, rtattr_len
,
2686 host_to_target_data_link_rtattr
);
2689 static abi_long
host_to_target_addr_rtattr(struct rtattr
*rtattr
,
2690 uint32_t rtattr_len
)
2692 return host_to_target_for_each_rtattr(rtattr
, rtattr_len
,
2693 host_to_target_data_addr_rtattr
);
2696 static abi_long
host_to_target_route_rtattr(struct rtattr
*rtattr
,
2697 uint32_t rtattr_len
)
2699 return host_to_target_for_each_rtattr(rtattr
, rtattr_len
,
2700 host_to_target_data_route_rtattr
);
2703 static abi_long
host_to_target_data_route(struct nlmsghdr
*nlh
)
2706 struct ifinfomsg
*ifi
;
2707 struct ifaddrmsg
*ifa
;
2710 nlmsg_len
= nlh
->nlmsg_len
;
2711 switch (nlh
->nlmsg_type
) {
2715 if (nlh
->nlmsg_len
>= NLMSG_LENGTH(sizeof(*ifi
))) {
2716 ifi
= NLMSG_DATA(nlh
);
2717 ifi
->ifi_type
= tswap16(ifi
->ifi_type
);
2718 ifi
->ifi_index
= tswap32(ifi
->ifi_index
);
2719 ifi
->ifi_flags
= tswap32(ifi
->ifi_flags
);
2720 ifi
->ifi_change
= tswap32(ifi
->ifi_change
);
2721 host_to_target_link_rtattr(IFLA_RTA(ifi
),
2722 nlmsg_len
- NLMSG_LENGTH(sizeof(*ifi
)));
2728 if (nlh
->nlmsg_len
>= NLMSG_LENGTH(sizeof(*ifa
))) {
2729 ifa
= NLMSG_DATA(nlh
);
2730 ifa
->ifa_index
= tswap32(ifa
->ifa_index
);
2731 host_to_target_addr_rtattr(IFA_RTA(ifa
),
2732 nlmsg_len
- NLMSG_LENGTH(sizeof(*ifa
)));
2738 if (nlh
->nlmsg_len
>= NLMSG_LENGTH(sizeof(*rtm
))) {
2739 rtm
= NLMSG_DATA(nlh
);
2740 rtm
->rtm_flags
= tswap32(rtm
->rtm_flags
);
2741 host_to_target_route_rtattr(RTM_RTA(rtm
),
2742 nlmsg_len
- NLMSG_LENGTH(sizeof(*rtm
)));
2746 return -TARGET_EINVAL
;
2751 static inline abi_long
host_to_target_nlmsg_route(struct nlmsghdr
*nlh
,
2754 return host_to_target_for_each_nlmsg(nlh
, len
, host_to_target_data_route
);
2757 static abi_long
target_to_host_for_each_rtattr(struct rtattr
*rtattr
,
2759 abi_long (*target_to_host_rtattr
)
2764 while (len
>= sizeof(struct rtattr
)) {
2765 if (tswap16(rtattr
->rta_len
) < sizeof(struct rtattr
) ||
2766 tswap16(rtattr
->rta_len
) > len
) {
2769 rtattr
->rta_len
= tswap16(rtattr
->rta_len
);
2770 rtattr
->rta_type
= tswap16(rtattr
->rta_type
);
2771 ret
= target_to_host_rtattr(rtattr
);
2775 len
-= RTA_ALIGN(rtattr
->rta_len
);
2776 rtattr
= (struct rtattr
*)(((char *)rtattr
) +
2777 RTA_ALIGN(rtattr
->rta_len
));
2782 static abi_long
target_to_host_data_link_rtattr(struct rtattr
*rtattr
)
2784 switch (rtattr
->rta_type
) {
2786 gemu_log("Unknown target QEMU_IFLA type: %d\n", rtattr
->rta_type
);
2792 static abi_long
target_to_host_data_addr_rtattr(struct rtattr
*rtattr
)
2794 switch (rtattr
->rta_type
) {
2795 /* binary: depends on family type */
2800 gemu_log("Unknown target IFA type: %d\n", rtattr
->rta_type
);
2806 static abi_long
target_to_host_data_route_rtattr(struct rtattr
*rtattr
)
2809 switch (rtattr
->rta_type
) {
2810 /* binary: depends on family type */
2818 u32
= RTA_DATA(rtattr
);
2819 *u32
= tswap32(*u32
);
2822 gemu_log("Unknown target RTA type: %d\n", rtattr
->rta_type
);
2828 static void target_to_host_link_rtattr(struct rtattr
*rtattr
,
2829 uint32_t rtattr_len
)
2831 target_to_host_for_each_rtattr(rtattr
, rtattr_len
,
2832 target_to_host_data_link_rtattr
);
2835 static void target_to_host_addr_rtattr(struct rtattr
*rtattr
,
2836 uint32_t rtattr_len
)
2838 target_to_host_for_each_rtattr(rtattr
, rtattr_len
,
2839 target_to_host_data_addr_rtattr
);
2842 static void target_to_host_route_rtattr(struct rtattr
*rtattr
,
2843 uint32_t rtattr_len
)
2845 target_to_host_for_each_rtattr(rtattr
, rtattr_len
,
2846 target_to_host_data_route_rtattr
);
2849 static abi_long
target_to_host_data_route(struct nlmsghdr
*nlh
)
2851 struct ifinfomsg
*ifi
;
2852 struct ifaddrmsg
*ifa
;
2855 switch (nlh
->nlmsg_type
) {
2860 if (nlh
->nlmsg_len
>= NLMSG_LENGTH(sizeof(*ifi
))) {
2861 ifi
= NLMSG_DATA(nlh
);
2862 ifi
->ifi_type
= tswap16(ifi
->ifi_type
);
2863 ifi
->ifi_index
= tswap32(ifi
->ifi_index
);
2864 ifi
->ifi_flags
= tswap32(ifi
->ifi_flags
);
2865 ifi
->ifi_change
= tswap32(ifi
->ifi_change
);
2866 target_to_host_link_rtattr(IFLA_RTA(ifi
), nlh
->nlmsg_len
-
2867 NLMSG_LENGTH(sizeof(*ifi
)));
2873 if (nlh
->nlmsg_len
>= NLMSG_LENGTH(sizeof(*ifa
))) {
2874 ifa
= NLMSG_DATA(nlh
);
2875 ifa
->ifa_index
= tswap32(ifa
->ifa_index
);
2876 target_to_host_addr_rtattr(IFA_RTA(ifa
), nlh
->nlmsg_len
-
2877 NLMSG_LENGTH(sizeof(*ifa
)));
2884 if (nlh
->nlmsg_len
>= NLMSG_LENGTH(sizeof(*rtm
))) {
2885 rtm
= NLMSG_DATA(nlh
);
2886 rtm
->rtm_flags
= tswap32(rtm
->rtm_flags
);
2887 target_to_host_route_rtattr(RTM_RTA(rtm
), nlh
->nlmsg_len
-
2888 NLMSG_LENGTH(sizeof(*rtm
)));
2892 return -TARGET_EOPNOTSUPP
;
2897 static abi_long
target_to_host_nlmsg_route(struct nlmsghdr
*nlh
, size_t len
)
2899 return target_to_host_for_each_nlmsg(nlh
, len
, target_to_host_data_route
);
2901 #endif /* CONFIG_RTNETLINK */
2903 static abi_long
host_to_target_data_audit(struct nlmsghdr
*nlh
)
2905 switch (nlh
->nlmsg_type
) {
2907 gemu_log("Unknown host audit message type %d\n",
2909 return -TARGET_EINVAL
;
2914 static inline abi_long
host_to_target_nlmsg_audit(struct nlmsghdr
*nlh
,
2917 return host_to_target_for_each_nlmsg(nlh
, len
, host_to_target_data_audit
);
2920 static abi_long
target_to_host_data_audit(struct nlmsghdr
*nlh
)
2922 switch (nlh
->nlmsg_type
) {
2924 case AUDIT_FIRST_USER_MSG
... AUDIT_LAST_USER_MSG
:
2925 case AUDIT_FIRST_USER_MSG2
... AUDIT_LAST_USER_MSG2
:
2928 gemu_log("Unknown target audit message type %d\n",
2930 return -TARGET_EINVAL
;
2936 static abi_long
target_to_host_nlmsg_audit(struct nlmsghdr
*nlh
, size_t len
)
2938 return target_to_host_for_each_nlmsg(nlh
, len
, target_to_host_data_audit
);
2941 /* do_setsockopt() Must return target values and target errnos. */
2942 static abi_long
do_setsockopt(int sockfd
, int level
, int optname
,
2943 abi_ulong optval_addr
, socklen_t optlen
)
2947 struct ip_mreqn
*ip_mreq
;
2948 struct ip_mreq_source
*ip_mreq_source
;
2952 /* TCP options all take an 'int' value. */
2953 if (optlen
< sizeof(uint32_t))
2954 return -TARGET_EINVAL
;
2956 if (get_user_u32(val
, optval_addr
))
2957 return -TARGET_EFAULT
;
2958 ret
= get_errno(setsockopt(sockfd
, level
, optname
, &val
, sizeof(val
)));
2965 case IP_ROUTER_ALERT
:
2969 case IP_MTU_DISCOVER
:
2976 case IP_MULTICAST_TTL
:
2977 case IP_MULTICAST_LOOP
:
2979 if (optlen
>= sizeof(uint32_t)) {
2980 if (get_user_u32(val
, optval_addr
))
2981 return -TARGET_EFAULT
;
2982 } else if (optlen
>= 1) {
2983 if (get_user_u8(val
, optval_addr
))
2984 return -TARGET_EFAULT
;
2986 ret
= get_errno(setsockopt(sockfd
, level
, optname
, &val
, sizeof(val
)));
2988 case IP_ADD_MEMBERSHIP
:
2989 case IP_DROP_MEMBERSHIP
:
2990 if (optlen
< sizeof (struct target_ip_mreq
) ||
2991 optlen
> sizeof (struct target_ip_mreqn
))
2992 return -TARGET_EINVAL
;
2994 ip_mreq
= (struct ip_mreqn
*) alloca(optlen
);
2995 target_to_host_ip_mreq(ip_mreq
, optval_addr
, optlen
);
2996 ret
= get_errno(setsockopt(sockfd
, level
, optname
, ip_mreq
, optlen
));
2999 case IP_BLOCK_SOURCE
:
3000 case IP_UNBLOCK_SOURCE
:
3001 case IP_ADD_SOURCE_MEMBERSHIP
:
3002 case IP_DROP_SOURCE_MEMBERSHIP
:
3003 if (optlen
!= sizeof (struct target_ip_mreq_source
))
3004 return -TARGET_EINVAL
;
3006 ip_mreq_source
= lock_user(VERIFY_READ
, optval_addr
, optlen
, 1);
3007 ret
= get_errno(setsockopt(sockfd
, level
, optname
, ip_mreq_source
, optlen
));
3008 unlock_user (ip_mreq_source
, optval_addr
, 0);
3017 case IPV6_MTU_DISCOVER
:
3020 case IPV6_RECVPKTINFO
:
3021 case IPV6_UNICAST_HOPS
:
3022 case IPV6_MULTICAST_HOPS
:
3023 case IPV6_MULTICAST_LOOP
:
3025 case IPV6_RECVHOPLIMIT
:
3026 case IPV6_2292HOPLIMIT
:
3029 if (optlen
< sizeof(uint32_t)) {
3030 return -TARGET_EINVAL
;
3032 if (get_user_u32(val
, optval_addr
)) {
3033 return -TARGET_EFAULT
;
3035 ret
= get_errno(setsockopt(sockfd
, level
, optname
,
3036 &val
, sizeof(val
)));
3040 struct in6_pktinfo pki
;
3042 if (optlen
< sizeof(pki
)) {
3043 return -TARGET_EINVAL
;
3046 if (copy_from_user(&pki
, optval_addr
, sizeof(pki
))) {
3047 return -TARGET_EFAULT
;
3050 pki
.ipi6_ifindex
= tswap32(pki
.ipi6_ifindex
);
3052 ret
= get_errno(setsockopt(sockfd
, level
, optname
,
3053 &pki
, sizeof(pki
)));
3064 struct icmp6_filter icmp6f
;
3066 if (optlen
> sizeof(icmp6f
)) {
3067 optlen
= sizeof(icmp6f
);
3070 if (copy_from_user(&icmp6f
, optval_addr
, optlen
)) {
3071 return -TARGET_EFAULT
;
3074 for (val
= 0; val
< 8; val
++) {
3075 icmp6f
.data
[val
] = tswap32(icmp6f
.data
[val
]);
3078 ret
= get_errno(setsockopt(sockfd
, level
, optname
,
3090 /* those take an u32 value */
3091 if (optlen
< sizeof(uint32_t)) {
3092 return -TARGET_EINVAL
;
3095 if (get_user_u32(val
, optval_addr
)) {
3096 return -TARGET_EFAULT
;
3098 ret
= get_errno(setsockopt(sockfd
, level
, optname
,
3099 &val
, sizeof(val
)));
3106 case TARGET_SOL_SOCKET
:
3108 case TARGET_SO_RCVTIMEO
:
3112 optname
= SO_RCVTIMEO
;
3115 if (optlen
!= sizeof(struct target_timeval
)) {
3116 return -TARGET_EINVAL
;
3119 if (copy_from_user_timeval(&tv
, optval_addr
)) {
3120 return -TARGET_EFAULT
;
3123 ret
= get_errno(setsockopt(sockfd
, SOL_SOCKET
, optname
,
3127 case TARGET_SO_SNDTIMEO
:
3128 optname
= SO_SNDTIMEO
;
3130 case TARGET_SO_ATTACH_FILTER
:
3132 struct target_sock_fprog
*tfprog
;
3133 struct target_sock_filter
*tfilter
;
3134 struct sock_fprog fprog
;
3135 struct sock_filter
*filter
;
3138 if (optlen
!= sizeof(*tfprog
)) {
3139 return -TARGET_EINVAL
;
3141 if (!lock_user_struct(VERIFY_READ
, tfprog
, optval_addr
, 0)) {
3142 return -TARGET_EFAULT
;
3144 if (!lock_user_struct(VERIFY_READ
, tfilter
,
3145 tswapal(tfprog
->filter
), 0)) {
3146 unlock_user_struct(tfprog
, optval_addr
, 1);
3147 return -TARGET_EFAULT
;
3150 fprog
.len
= tswap16(tfprog
->len
);
3151 filter
= g_try_new(struct sock_filter
, fprog
.len
);
3152 if (filter
== NULL
) {
3153 unlock_user_struct(tfilter
, tfprog
->filter
, 1);
3154 unlock_user_struct(tfprog
, optval_addr
, 1);
3155 return -TARGET_ENOMEM
;
3157 for (i
= 0; i
< fprog
.len
; i
++) {
3158 filter
[i
].code
= tswap16(tfilter
[i
].code
);
3159 filter
[i
].jt
= tfilter
[i
].jt
;
3160 filter
[i
].jf
= tfilter
[i
].jf
;
3161 filter
[i
].k
= tswap32(tfilter
[i
].k
);
3163 fprog
.filter
= filter
;
3165 ret
= get_errno(setsockopt(sockfd
, SOL_SOCKET
,
3166 SO_ATTACH_FILTER
, &fprog
, sizeof(fprog
)));
3169 unlock_user_struct(tfilter
, tfprog
->filter
, 1);
3170 unlock_user_struct(tfprog
, optval_addr
, 1);
3173 case TARGET_SO_BINDTODEVICE
:
3175 char *dev_ifname
, *addr_ifname
;
3177 if (optlen
> IFNAMSIZ
- 1) {
3178 optlen
= IFNAMSIZ
- 1;
3180 dev_ifname
= lock_user(VERIFY_READ
, optval_addr
, optlen
, 1);
3182 return -TARGET_EFAULT
;
3184 optname
= SO_BINDTODEVICE
;
3185 addr_ifname
= alloca(IFNAMSIZ
);
3186 memcpy(addr_ifname
, dev_ifname
, optlen
);
3187 addr_ifname
[optlen
] = 0;
3188 ret
= get_errno(setsockopt(sockfd
, SOL_SOCKET
, optname
,
3189 addr_ifname
, optlen
));
3190 unlock_user (dev_ifname
, optval_addr
, 0);
3193 /* Options with 'int' argument. */
3194 case TARGET_SO_DEBUG
:
3197 case TARGET_SO_REUSEADDR
:
3198 optname
= SO_REUSEADDR
;
3200 case TARGET_SO_TYPE
:
3203 case TARGET_SO_ERROR
:
3206 case TARGET_SO_DONTROUTE
:
3207 optname
= SO_DONTROUTE
;
3209 case TARGET_SO_BROADCAST
:
3210 optname
= SO_BROADCAST
;
3212 case TARGET_SO_SNDBUF
:
3213 optname
= SO_SNDBUF
;
3215 case TARGET_SO_SNDBUFFORCE
:
3216 optname
= SO_SNDBUFFORCE
;
3218 case TARGET_SO_RCVBUF
:
3219 optname
= SO_RCVBUF
;
3221 case TARGET_SO_RCVBUFFORCE
:
3222 optname
= SO_RCVBUFFORCE
;
3224 case TARGET_SO_KEEPALIVE
:
3225 optname
= SO_KEEPALIVE
;
3227 case TARGET_SO_OOBINLINE
:
3228 optname
= SO_OOBINLINE
;
3230 case TARGET_SO_NO_CHECK
:
3231 optname
= SO_NO_CHECK
;
3233 case TARGET_SO_PRIORITY
:
3234 optname
= SO_PRIORITY
;
3237 case TARGET_SO_BSDCOMPAT
:
3238 optname
= SO_BSDCOMPAT
;
3241 case TARGET_SO_PASSCRED
:
3242 optname
= SO_PASSCRED
;
3244 case TARGET_SO_PASSSEC
:
3245 optname
= SO_PASSSEC
;
3247 case TARGET_SO_TIMESTAMP
:
3248 optname
= SO_TIMESTAMP
;
3250 case TARGET_SO_RCVLOWAT
:
3251 optname
= SO_RCVLOWAT
;
3256 if (optlen
< sizeof(uint32_t))
3257 return -TARGET_EINVAL
;
3259 if (get_user_u32(val
, optval_addr
))
3260 return -TARGET_EFAULT
;
3261 ret
= get_errno(setsockopt(sockfd
, SOL_SOCKET
, optname
, &val
, sizeof(val
)));
3265 gemu_log("Unsupported setsockopt level=%d optname=%d\n", level
, optname
);
3266 ret
= -TARGET_ENOPROTOOPT
;
3271 /* do_getsockopt() Must return target values and target errnos. */
3272 static abi_long
do_getsockopt(int sockfd
, int level
, int optname
,
3273 abi_ulong optval_addr
, abi_ulong optlen
)
3280 case TARGET_SOL_SOCKET
:
3283 /* These don't just return a single integer */
3284 case TARGET_SO_LINGER
:
3285 case TARGET_SO_RCVTIMEO
:
3286 case TARGET_SO_SNDTIMEO
:
3287 case TARGET_SO_PEERNAME
:
3289 case TARGET_SO_PEERCRED
: {
3292 struct target_ucred
*tcr
;
3294 if (get_user_u32(len
, optlen
)) {
3295 return -TARGET_EFAULT
;
3298 return -TARGET_EINVAL
;
3302 ret
= get_errno(getsockopt(sockfd
, level
, SO_PEERCRED
,
3310 if (!lock_user_struct(VERIFY_WRITE
, tcr
, optval_addr
, 0)) {
3311 return -TARGET_EFAULT
;
3313 __put_user(cr
.pid
, &tcr
->pid
);
3314 __put_user(cr
.uid
, &tcr
->uid
);
3315 __put_user(cr
.gid
, &tcr
->gid
);
3316 unlock_user_struct(tcr
, optval_addr
, 1);
3317 if (put_user_u32(len
, optlen
)) {
3318 return -TARGET_EFAULT
;
3322 /* Options with 'int' argument. */
3323 case TARGET_SO_DEBUG
:
3326 case TARGET_SO_REUSEADDR
:
3327 optname
= SO_REUSEADDR
;
3329 case TARGET_SO_TYPE
:
3332 case TARGET_SO_ERROR
:
3335 case TARGET_SO_DONTROUTE
:
3336 optname
= SO_DONTROUTE
;
3338 case TARGET_SO_BROADCAST
:
3339 optname
= SO_BROADCAST
;
3341 case TARGET_SO_SNDBUF
:
3342 optname
= SO_SNDBUF
;
3344 case TARGET_SO_RCVBUF
:
3345 optname
= SO_RCVBUF
;
3347 case TARGET_SO_KEEPALIVE
:
3348 optname
= SO_KEEPALIVE
;
3350 case TARGET_SO_OOBINLINE
:
3351 optname
= SO_OOBINLINE
;
3353 case TARGET_SO_NO_CHECK
:
3354 optname
= SO_NO_CHECK
;
3356 case TARGET_SO_PRIORITY
:
3357 optname
= SO_PRIORITY
;
3360 case TARGET_SO_BSDCOMPAT
:
3361 optname
= SO_BSDCOMPAT
;
3364 case TARGET_SO_PASSCRED
:
3365 optname
= SO_PASSCRED
;
3367 case TARGET_SO_TIMESTAMP
:
3368 optname
= SO_TIMESTAMP
;
3370 case TARGET_SO_RCVLOWAT
:
3371 optname
= SO_RCVLOWAT
;
3373 case TARGET_SO_ACCEPTCONN
:
3374 optname
= SO_ACCEPTCONN
;
3381 /* TCP options all take an 'int' value. */
3383 if (get_user_u32(len
, optlen
))
3384 return -TARGET_EFAULT
;
3386 return -TARGET_EINVAL
;
3388 ret
= get_errno(getsockopt(sockfd
, level
, optname
, &val
, &lv
));
3391 if (optname
== SO_TYPE
) {
3392 val
= host_to_target_sock_type(val
);
3397 if (put_user_u32(val
, optval_addr
))
3398 return -TARGET_EFAULT
;
3400 if (put_user_u8(val
, optval_addr
))
3401 return -TARGET_EFAULT
;
3403 if (put_user_u32(len
, optlen
))
3404 return -TARGET_EFAULT
;
3411 case IP_ROUTER_ALERT
:
3415 case IP_MTU_DISCOVER
:
3421 case IP_MULTICAST_TTL
:
3422 case IP_MULTICAST_LOOP
:
3423 if (get_user_u32(len
, optlen
))
3424 return -TARGET_EFAULT
;
3426 return -TARGET_EINVAL
;
3428 ret
= get_errno(getsockopt(sockfd
, level
, optname
, &val
, &lv
));
3431 if (len
< sizeof(int) && len
> 0 && val
>= 0 && val
< 255) {
3433 if (put_user_u32(len
, optlen
)
3434 || put_user_u8(val
, optval_addr
))
3435 return -TARGET_EFAULT
;
3437 if (len
> sizeof(int))
3439 if (put_user_u32(len
, optlen
)
3440 || put_user_u32(val
, optval_addr
))
3441 return -TARGET_EFAULT
;
3445 ret
= -TARGET_ENOPROTOOPT
;
3451 gemu_log("getsockopt level=%d optname=%d not yet supported\n",
3453 ret
= -TARGET_EOPNOTSUPP
;
3459 /* Convert target low/high pair representing file offset into the host
3460 * low/high pair. This function doesn't handle offsets bigger than 64 bits
3461 * as the kernel doesn't handle them either.
3463 static void target_to_host_low_high(abi_ulong tlow
,
3465 unsigned long *hlow
,
3466 unsigned long *hhigh
)
3468 uint64_t off
= tlow
|
3469 ((unsigned long long)thigh
<< TARGET_LONG_BITS
/ 2) <<
3470 TARGET_LONG_BITS
/ 2;
3473 *hhigh
= (off
>> HOST_LONG_BITS
/ 2) >> HOST_LONG_BITS
/ 2;
3476 static struct iovec
*lock_iovec(int type
, abi_ulong target_addr
,
3477 abi_ulong count
, int copy
)
3479 struct target_iovec
*target_vec
;
3481 abi_ulong total_len
, max_len
;
3484 bool bad_address
= false;
3490 if (count
> IOV_MAX
) {
3495 vec
= g_try_new0(struct iovec
, count
);
3501 target_vec
= lock_user(VERIFY_READ
, target_addr
,
3502 count
* sizeof(struct target_iovec
), 1);
3503 if (target_vec
== NULL
) {
3508 /* ??? If host page size > target page size, this will result in a
3509 value larger than what we can actually support. */
3510 max_len
= 0x7fffffff & TARGET_PAGE_MASK
;
3513 for (i
= 0; i
< count
; i
++) {
3514 abi_ulong base
= tswapal(target_vec
[i
].iov_base
);
3515 abi_long len
= tswapal(target_vec
[i
].iov_len
);
3520 } else if (len
== 0) {
3521 /* Zero length pointer is ignored. */
3522 vec
[i
].iov_base
= 0;
3524 vec
[i
].iov_base
= lock_user(type
, base
, len
, copy
);
3525 /* If the first buffer pointer is bad, this is a fault. But
3526 * subsequent bad buffers will result in a partial write; this
3527 * is realized by filling the vector with null pointers and
3529 if (!vec
[i
].iov_base
) {
3540 if (len
> max_len
- total_len
) {
3541 len
= max_len
- total_len
;
3544 vec
[i
].iov_len
= len
;
3548 unlock_user(target_vec
, target_addr
, 0);
3553 if (tswapal(target_vec
[i
].iov_len
) > 0) {
3554 unlock_user(vec
[i
].iov_base
, tswapal(target_vec
[i
].iov_base
), 0);
3557 unlock_user(target_vec
, target_addr
, 0);
3564 static void unlock_iovec(struct iovec
*vec
, abi_ulong target_addr
,
3565 abi_ulong count
, int copy
)
3567 struct target_iovec
*target_vec
;
3570 target_vec
= lock_user(VERIFY_READ
, target_addr
,
3571 count
* sizeof(struct target_iovec
), 1);
3573 for (i
= 0; i
< count
; i
++) {
3574 abi_ulong base
= tswapal(target_vec
[i
].iov_base
);
3575 abi_long len
= tswapal(target_vec
[i
].iov_len
);
3579 unlock_user(vec
[i
].iov_base
, base
, copy
? vec
[i
].iov_len
: 0);
3581 unlock_user(target_vec
, target_addr
, 0);
3587 static inline int target_to_host_sock_type(int *type
)
3590 int target_type
= *type
;
3592 switch (target_type
& TARGET_SOCK_TYPE_MASK
) {
3593 case TARGET_SOCK_DGRAM
:
3594 host_type
= SOCK_DGRAM
;
3596 case TARGET_SOCK_STREAM
:
3597 host_type
= SOCK_STREAM
;
3600 host_type
= target_type
& TARGET_SOCK_TYPE_MASK
;
3603 if (target_type
& TARGET_SOCK_CLOEXEC
) {
3604 #if defined(SOCK_CLOEXEC)
3605 host_type
|= SOCK_CLOEXEC
;
3607 return -TARGET_EINVAL
;
3610 if (target_type
& TARGET_SOCK_NONBLOCK
) {
3611 #if defined(SOCK_NONBLOCK)
3612 host_type
|= SOCK_NONBLOCK
;
3613 #elif !defined(O_NONBLOCK)
3614 return -TARGET_EINVAL
;
3621 /* Try to emulate socket type flags after socket creation. */
3622 static int sock_flags_fixup(int fd
, int target_type
)
3624 #if !defined(SOCK_NONBLOCK) && defined(O_NONBLOCK)
3625 if (target_type
& TARGET_SOCK_NONBLOCK
) {
3626 int flags
= fcntl(fd
, F_GETFL
);
3627 if (fcntl(fd
, F_SETFL
, O_NONBLOCK
| flags
) == -1) {
3629 return -TARGET_EINVAL
;
3636 static abi_long
packet_target_to_host_sockaddr(void *host_addr
,
3637 abi_ulong target_addr
,
3640 struct sockaddr
*addr
= host_addr
;
3641 struct target_sockaddr
*target_saddr
;
3643 target_saddr
= lock_user(VERIFY_READ
, target_addr
, len
, 1);
3644 if (!target_saddr
) {
3645 return -TARGET_EFAULT
;
3648 memcpy(addr
, target_saddr
, len
);
3649 addr
->sa_family
= tswap16(target_saddr
->sa_family
);
3650 /* spkt_protocol is big-endian */
3652 unlock_user(target_saddr
, target_addr
, 0);
3656 static TargetFdTrans target_packet_trans
= {
3657 .target_to_host_addr
= packet_target_to_host_sockaddr
,
3660 #ifdef CONFIG_RTNETLINK
3661 static abi_long
netlink_route_target_to_host(void *buf
, size_t len
)
3665 ret
= target_to_host_nlmsg_route(buf
, len
);
3673 static abi_long
netlink_route_host_to_target(void *buf
, size_t len
)
3677 ret
= host_to_target_nlmsg_route(buf
, len
);
3685 static TargetFdTrans target_netlink_route_trans
= {
3686 .target_to_host_data
= netlink_route_target_to_host
,
3687 .host_to_target_data
= netlink_route_host_to_target
,
3689 #endif /* CONFIG_RTNETLINK */
3691 static abi_long
netlink_audit_target_to_host(void *buf
, size_t len
)
3695 ret
= target_to_host_nlmsg_audit(buf
, len
);
3703 static abi_long
netlink_audit_host_to_target(void *buf
, size_t len
)
3707 ret
= host_to_target_nlmsg_audit(buf
, len
);
3715 static TargetFdTrans target_netlink_audit_trans
= {
3716 .target_to_host_data
= netlink_audit_target_to_host
,
3717 .host_to_target_data
= netlink_audit_host_to_target
,
3720 /* do_socket() Must return target values and target errnos. */
3721 static abi_long
do_socket(int domain
, int type
, int protocol
)
3723 int target_type
= type
;
3726 ret
= target_to_host_sock_type(&type
);
3731 if (domain
== PF_NETLINK
&& !(
3732 #ifdef CONFIG_RTNETLINK
3733 protocol
== NETLINK_ROUTE
||
3735 protocol
== NETLINK_KOBJECT_UEVENT
||
3736 protocol
== NETLINK_AUDIT
)) {
3737 return -EPFNOSUPPORT
;
3740 if (domain
== AF_PACKET
||
3741 (domain
== AF_INET
&& type
== SOCK_PACKET
)) {
3742 protocol
= tswap16(protocol
);
3745 ret
= get_errno(socket(domain
, type
, protocol
));
3747 ret
= sock_flags_fixup(ret
, target_type
);
3748 if (type
== SOCK_PACKET
) {
3749 /* Manage an obsolete case :
3750 * if socket type is SOCK_PACKET, bind by name
3752 fd_trans_register(ret
, &target_packet_trans
);
3753 } else if (domain
== PF_NETLINK
) {
3755 #ifdef CONFIG_RTNETLINK
3757 fd_trans_register(ret
, &target_netlink_route_trans
);
3760 case NETLINK_KOBJECT_UEVENT
:
3761 /* nothing to do: messages are strings */
3764 fd_trans_register(ret
, &target_netlink_audit_trans
);
3767 g_assert_not_reached();
3774 /* do_bind() Must return target values and target errnos. */
3775 static abi_long
do_bind(int sockfd
, abi_ulong target_addr
,
3781 if ((int)addrlen
< 0) {
3782 return -TARGET_EINVAL
;
3785 addr
= alloca(addrlen
+1);
3787 ret
= target_to_host_sockaddr(sockfd
, addr
, target_addr
, addrlen
);
3791 return get_errno(bind(sockfd
, addr
, addrlen
));
3794 /* do_connect() Must return target values and target errnos. */
3795 static abi_long
do_connect(int sockfd
, abi_ulong target_addr
,
3801 if ((int)addrlen
< 0) {
3802 return -TARGET_EINVAL
;
3805 addr
= alloca(addrlen
+1);
3807 ret
= target_to_host_sockaddr(sockfd
, addr
, target_addr
, addrlen
);
3811 return get_errno(safe_connect(sockfd
, addr
, addrlen
));
3814 /* do_sendrecvmsg_locked() Must return target values and target errnos. */
3815 static abi_long
do_sendrecvmsg_locked(int fd
, struct target_msghdr
*msgp
,
3816 int flags
, int send
)
3822 abi_ulong target_vec
;
3824 if (msgp
->msg_name
) {
3825 msg
.msg_namelen
= tswap32(msgp
->msg_namelen
);
3826 msg
.msg_name
= alloca(msg
.msg_namelen
+1);
3827 ret
= target_to_host_sockaddr(fd
, msg
.msg_name
,
3828 tswapal(msgp
->msg_name
),
3830 if (ret
== -TARGET_EFAULT
) {
3831 /* For connected sockets msg_name and msg_namelen must
3832 * be ignored, so returning EFAULT immediately is wrong.
3833 * Instead, pass a bad msg_name to the host kernel, and
3834 * let it decide whether to return EFAULT or not.
3836 msg
.msg_name
= (void *)-1;
3841 msg
.msg_name
= NULL
;
3842 msg
.msg_namelen
= 0;
3844 msg
.msg_controllen
= 2 * tswapal(msgp
->msg_controllen
);
3845 msg
.msg_control
= alloca(msg
.msg_controllen
);
3846 memset(msg
.msg_control
, 0, msg
.msg_controllen
);
3848 msg
.msg_flags
= tswap32(msgp
->msg_flags
);
3850 count
= tswapal(msgp
->msg_iovlen
);
3851 target_vec
= tswapal(msgp
->msg_iov
);
3853 if (count
> IOV_MAX
) {
3854 /* sendrcvmsg returns a different errno for this condition than
3855 * readv/writev, so we must catch it here before lock_iovec() does.
3857 ret
= -TARGET_EMSGSIZE
;
3861 vec
= lock_iovec(send
? VERIFY_READ
: VERIFY_WRITE
,
3862 target_vec
, count
, send
);
3864 ret
= -host_to_target_errno(errno
);
3867 msg
.msg_iovlen
= count
;
3871 if (fd_trans_target_to_host_data(fd
)) {
3874 host_msg
= g_malloc(msg
.msg_iov
->iov_len
);
3875 memcpy(host_msg
, msg
.msg_iov
->iov_base
, msg
.msg_iov
->iov_len
);
3876 ret
= fd_trans_target_to_host_data(fd
)(host_msg
,
3877 msg
.msg_iov
->iov_len
);
3879 msg
.msg_iov
->iov_base
= host_msg
;
3880 ret
= get_errno(safe_sendmsg(fd
, &msg
, flags
));
3884 ret
= target_to_host_cmsg(&msg
, msgp
);
3886 ret
= get_errno(safe_sendmsg(fd
, &msg
, flags
));
3890 ret
= get_errno(safe_recvmsg(fd
, &msg
, flags
));
3891 if (!is_error(ret
)) {
3893 if (fd_trans_host_to_target_data(fd
)) {
3894 ret
= fd_trans_host_to_target_data(fd
)(msg
.msg_iov
->iov_base
,
3897 ret
= host_to_target_cmsg(msgp
, &msg
);
3899 if (!is_error(ret
)) {
3900 msgp
->msg_namelen
= tswap32(msg
.msg_namelen
);
3901 if (msg
.msg_name
!= NULL
&& msg
.msg_name
!= (void *)-1) {
3902 ret
= host_to_target_sockaddr(tswapal(msgp
->msg_name
),
3903 msg
.msg_name
, msg
.msg_namelen
);
3915 unlock_iovec(vec
, target_vec
, count
, !send
);
3920 static abi_long
do_sendrecvmsg(int fd
, abi_ulong target_msg
,
3921 int flags
, int send
)
3924 struct target_msghdr
*msgp
;
3926 if (!lock_user_struct(send
? VERIFY_READ
: VERIFY_WRITE
,
3930 return -TARGET_EFAULT
;
3932 ret
= do_sendrecvmsg_locked(fd
, msgp
, flags
, send
);
3933 unlock_user_struct(msgp
, target_msg
, send
? 0 : 1);
3937 /* We don't rely on the C library to have sendmmsg/recvmmsg support,
3938 * so it might not have this *mmsg-specific flag either.
3940 #ifndef MSG_WAITFORONE
3941 #define MSG_WAITFORONE 0x10000
3944 static abi_long
do_sendrecvmmsg(int fd
, abi_ulong target_msgvec
,
3945 unsigned int vlen
, unsigned int flags
,
3948 struct target_mmsghdr
*mmsgp
;
3952 if (vlen
> UIO_MAXIOV
) {
3956 mmsgp
= lock_user(VERIFY_WRITE
, target_msgvec
, sizeof(*mmsgp
) * vlen
, 1);
3958 return -TARGET_EFAULT
;
3961 for (i
= 0; i
< vlen
; i
++) {
3962 ret
= do_sendrecvmsg_locked(fd
, &mmsgp
[i
].msg_hdr
, flags
, send
);
3963 if (is_error(ret
)) {
3966 mmsgp
[i
].msg_len
= tswap32(ret
);
3967 /* MSG_WAITFORONE turns on MSG_DONTWAIT after one packet */
3968 if (flags
& MSG_WAITFORONE
) {
3969 flags
|= MSG_DONTWAIT
;
3973 unlock_user(mmsgp
, target_msgvec
, sizeof(*mmsgp
) * i
);
3975 /* Return number of datagrams sent if we sent any at all;
3976 * otherwise return the error.
3984 /* do_accept4() Must return target values and target errnos. */
3985 static abi_long
do_accept4(int fd
, abi_ulong target_addr
,
3986 abi_ulong target_addrlen_addr
, int flags
)
3993 host_flags
= target_to_host_bitmask(flags
, fcntl_flags_tbl
);
3995 if (target_addr
== 0) {
3996 return get_errno(safe_accept4(fd
, NULL
, NULL
, host_flags
));
3999 /* linux returns EINVAL if addrlen pointer is invalid */
4000 if (get_user_u32(addrlen
, target_addrlen_addr
))
4001 return -TARGET_EINVAL
;
4003 if ((int)addrlen
< 0) {
4004 return -TARGET_EINVAL
;
4007 if (!access_ok(VERIFY_WRITE
, target_addr
, addrlen
))
4008 return -TARGET_EINVAL
;
4010 addr
= alloca(addrlen
);
4012 ret
= get_errno(safe_accept4(fd
, addr
, &addrlen
, host_flags
));
4013 if (!is_error(ret
)) {
4014 host_to_target_sockaddr(target_addr
, addr
, addrlen
);
4015 if (put_user_u32(addrlen
, target_addrlen_addr
))
4016 ret
= -TARGET_EFAULT
;
4021 /* do_getpeername() Must return target values and target errnos. */
4022 static abi_long
do_getpeername(int fd
, abi_ulong target_addr
,
4023 abi_ulong target_addrlen_addr
)
4029 if (get_user_u32(addrlen
, target_addrlen_addr
))
4030 return -TARGET_EFAULT
;
4032 if ((int)addrlen
< 0) {
4033 return -TARGET_EINVAL
;
4036 if (!access_ok(VERIFY_WRITE
, target_addr
, addrlen
))
4037 return -TARGET_EFAULT
;
4039 addr
= alloca(addrlen
);
4041 ret
= get_errno(getpeername(fd
, addr
, &addrlen
));
4042 if (!is_error(ret
)) {
4043 host_to_target_sockaddr(target_addr
, addr
, addrlen
);
4044 if (put_user_u32(addrlen
, target_addrlen_addr
))
4045 ret
= -TARGET_EFAULT
;
4050 /* do_getsockname() Must return target values and target errnos. */
4051 static abi_long
do_getsockname(int fd
, abi_ulong target_addr
,
4052 abi_ulong target_addrlen_addr
)
4058 if (get_user_u32(addrlen
, target_addrlen_addr
))
4059 return -TARGET_EFAULT
;
4061 if ((int)addrlen
< 0) {
4062 return -TARGET_EINVAL
;
4065 if (!access_ok(VERIFY_WRITE
, target_addr
, addrlen
))
4066 return -TARGET_EFAULT
;
4068 addr
= alloca(addrlen
);
4070 ret
= get_errno(getsockname(fd
, addr
, &addrlen
));
4071 if (!is_error(ret
)) {
4072 host_to_target_sockaddr(target_addr
, addr
, addrlen
);
4073 if (put_user_u32(addrlen
, target_addrlen_addr
))
4074 ret
= -TARGET_EFAULT
;
4079 /* do_socketpair() Must return target values and target errnos. */
4080 static abi_long
do_socketpair(int domain
, int type
, int protocol
,
4081 abi_ulong target_tab_addr
)
4086 target_to_host_sock_type(&type
);
4088 ret
= get_errno(socketpair(domain
, type
, protocol
, tab
));
4089 if (!is_error(ret
)) {
4090 if (put_user_s32(tab
[0], target_tab_addr
)
4091 || put_user_s32(tab
[1], target_tab_addr
+ sizeof(tab
[0])))
4092 ret
= -TARGET_EFAULT
;
4097 /* do_sendto() Must return target values and target errnos. */
4098 static abi_long
do_sendto(int fd
, abi_ulong msg
, size_t len
, int flags
,
4099 abi_ulong target_addr
, socklen_t addrlen
)
4103 void *copy_msg
= NULL
;
4106 if ((int)addrlen
< 0) {
4107 return -TARGET_EINVAL
;
4110 host_msg
= lock_user(VERIFY_READ
, msg
, len
, 1);
4112 return -TARGET_EFAULT
;
4113 if (fd_trans_target_to_host_data(fd
)) {
4114 copy_msg
= host_msg
;
4115 host_msg
= g_malloc(len
);
4116 memcpy(host_msg
, copy_msg
, len
);
4117 ret
= fd_trans_target_to_host_data(fd
)(host_msg
, len
);
4123 addr
= alloca(addrlen
+1);
4124 ret
= target_to_host_sockaddr(fd
, addr
, target_addr
, addrlen
);
4128 ret
= get_errno(safe_sendto(fd
, host_msg
, len
, flags
, addr
, addrlen
));
4130 ret
= get_errno(safe_sendto(fd
, host_msg
, len
, flags
, NULL
, 0));
4135 host_msg
= copy_msg
;
4137 unlock_user(host_msg
, msg
, 0);
4141 /* do_recvfrom() Must return target values and target errnos. */
4142 static abi_long
do_recvfrom(int fd
, abi_ulong msg
, size_t len
, int flags
,
4143 abi_ulong target_addr
,
4144 abi_ulong target_addrlen
)
4151 host_msg
= lock_user(VERIFY_WRITE
, msg
, len
, 0);
4153 return -TARGET_EFAULT
;
4155 if (get_user_u32(addrlen
, target_addrlen
)) {
4156 ret
= -TARGET_EFAULT
;
4159 if ((int)addrlen
< 0) {
4160 ret
= -TARGET_EINVAL
;
4163 addr
= alloca(addrlen
);
4164 ret
= get_errno(safe_recvfrom(fd
, host_msg
, len
, flags
,
4167 addr
= NULL
; /* To keep compiler quiet. */
4168 ret
= get_errno(safe_recvfrom(fd
, host_msg
, len
, flags
, NULL
, 0));
4170 if (!is_error(ret
)) {
4171 if (fd_trans_host_to_target_data(fd
)) {
4172 ret
= fd_trans_host_to_target_data(fd
)(host_msg
, ret
);
4175 host_to_target_sockaddr(target_addr
, addr
, addrlen
);
4176 if (put_user_u32(addrlen
, target_addrlen
)) {
4177 ret
= -TARGET_EFAULT
;
4181 unlock_user(host_msg
, msg
, len
);
4184 unlock_user(host_msg
, msg
, 0);
4189 #ifdef TARGET_NR_socketcall
4190 /* do_socketcall() must return target values and target errnos. */
4191 static abi_long
do_socketcall(int num
, abi_ulong vptr
)
4193 static const unsigned nargs
[] = { /* number of arguments per operation */
4194 [TARGET_SYS_SOCKET
] = 3, /* domain, type, protocol */
4195 [TARGET_SYS_BIND
] = 3, /* fd, addr, addrlen */
4196 [TARGET_SYS_CONNECT
] = 3, /* fd, addr, addrlen */
4197 [TARGET_SYS_LISTEN
] = 2, /* fd, backlog */
4198 [TARGET_SYS_ACCEPT
] = 3, /* fd, addr, addrlen */
4199 [TARGET_SYS_GETSOCKNAME
] = 3, /* fd, addr, addrlen */
4200 [TARGET_SYS_GETPEERNAME
] = 3, /* fd, addr, addrlen */
4201 [TARGET_SYS_SOCKETPAIR
] = 4, /* domain, type, protocol, tab */
4202 [TARGET_SYS_SEND
] = 4, /* fd, msg, len, flags */
4203 [TARGET_SYS_RECV
] = 4, /* fd, msg, len, flags */
4204 [TARGET_SYS_SENDTO
] = 6, /* fd, msg, len, flags, addr, addrlen */
4205 [TARGET_SYS_RECVFROM
] = 6, /* fd, msg, len, flags, addr, addrlen */
4206 [TARGET_SYS_SHUTDOWN
] = 2, /* fd, how */
4207 [TARGET_SYS_SETSOCKOPT
] = 5, /* fd, level, optname, optval, optlen */
4208 [TARGET_SYS_GETSOCKOPT
] = 5, /* fd, level, optname, optval, optlen */
4209 [TARGET_SYS_SENDMSG
] = 3, /* fd, msg, flags */
4210 [TARGET_SYS_RECVMSG
] = 3, /* fd, msg, flags */
4211 [TARGET_SYS_ACCEPT4
] = 4, /* fd, addr, addrlen, flags */
4212 [TARGET_SYS_RECVMMSG
] = 4, /* fd, msgvec, vlen, flags */
4213 [TARGET_SYS_SENDMMSG
] = 4, /* fd, msgvec, vlen, flags */
4215 abi_long a
[6]; /* max 6 args */
4218 /* check the range of the first argument num */
4219 /* (TARGET_SYS_SENDMMSG is the highest among TARGET_SYS_xxx) */
4220 if (num
< 1 || num
> TARGET_SYS_SENDMMSG
) {
4221 return -TARGET_EINVAL
;
4223 /* ensure we have space for args */
4224 if (nargs
[num
] > ARRAY_SIZE(a
)) {
4225 return -TARGET_EINVAL
;
4227 /* collect the arguments in a[] according to nargs[] */
4228 for (i
= 0; i
< nargs
[num
]; ++i
) {
4229 if (get_user_ual(a
[i
], vptr
+ i
* sizeof(abi_long
)) != 0) {
4230 return -TARGET_EFAULT
;
4233 /* now when we have the args, invoke the appropriate underlying function */
4235 case TARGET_SYS_SOCKET
: /* domain, type, protocol */
4236 return do_socket(a
[0], a
[1], a
[2]);
4237 case TARGET_SYS_BIND
: /* sockfd, addr, addrlen */
4238 return do_bind(a
[0], a
[1], a
[2]);
4239 case TARGET_SYS_CONNECT
: /* sockfd, addr, addrlen */
4240 return do_connect(a
[0], a
[1], a
[2]);
4241 case TARGET_SYS_LISTEN
: /* sockfd, backlog */
4242 return get_errno(listen(a
[0], a
[1]));
4243 case TARGET_SYS_ACCEPT
: /* sockfd, addr, addrlen */
4244 return do_accept4(a
[0], a
[1], a
[2], 0);
4245 case TARGET_SYS_GETSOCKNAME
: /* sockfd, addr, addrlen */
4246 return do_getsockname(a
[0], a
[1], a
[2]);
4247 case TARGET_SYS_GETPEERNAME
: /* sockfd, addr, addrlen */
4248 return do_getpeername(a
[0], a
[1], a
[2]);
4249 case TARGET_SYS_SOCKETPAIR
: /* domain, type, protocol, tab */
4250 return do_socketpair(a
[0], a
[1], a
[2], a
[3]);
4251 case TARGET_SYS_SEND
: /* sockfd, msg, len, flags */
4252 return do_sendto(a
[0], a
[1], a
[2], a
[3], 0, 0);
4253 case TARGET_SYS_RECV
: /* sockfd, msg, len, flags */
4254 return do_recvfrom(a
[0], a
[1], a
[2], a
[3], 0, 0);
4255 case TARGET_SYS_SENDTO
: /* sockfd, msg, len, flags, addr, addrlen */
4256 return do_sendto(a
[0], a
[1], a
[2], a
[3], a
[4], a
[5]);
4257 case TARGET_SYS_RECVFROM
: /* sockfd, msg, len, flags, addr, addrlen */
4258 return do_recvfrom(a
[0], a
[1], a
[2], a
[3], a
[4], a
[5]);
4259 case TARGET_SYS_SHUTDOWN
: /* sockfd, how */
4260 return get_errno(shutdown(a
[0], a
[1]));
4261 case TARGET_SYS_SETSOCKOPT
: /* sockfd, level, optname, optval, optlen */
4262 return do_setsockopt(a
[0], a
[1], a
[2], a
[3], a
[4]);
4263 case TARGET_SYS_GETSOCKOPT
: /* sockfd, level, optname, optval, optlen */
4264 return do_getsockopt(a
[0], a
[1], a
[2], a
[3], a
[4]);
4265 case TARGET_SYS_SENDMSG
: /* sockfd, msg, flags */
4266 return do_sendrecvmsg(a
[0], a
[1], a
[2], 1);
4267 case TARGET_SYS_RECVMSG
: /* sockfd, msg, flags */
4268 return do_sendrecvmsg(a
[0], a
[1], a
[2], 0);
4269 case TARGET_SYS_ACCEPT4
: /* sockfd, addr, addrlen, flags */
4270 return do_accept4(a
[0], a
[1], a
[2], a
[3]);
4271 case TARGET_SYS_RECVMMSG
: /* sockfd, msgvec, vlen, flags */
4272 return do_sendrecvmmsg(a
[0], a
[1], a
[2], a
[3], 0);
4273 case TARGET_SYS_SENDMMSG
: /* sockfd, msgvec, vlen, flags */
4274 return do_sendrecvmmsg(a
[0], a
[1], a
[2], a
[3], 1);
4276 gemu_log("Unsupported socketcall: %d\n", num
);
4277 return -TARGET_EINVAL
;
4282 #define N_SHM_REGIONS 32
4284 static struct shm_region
{
4288 } shm_regions
[N_SHM_REGIONS
];
4290 #ifndef TARGET_SEMID64_DS
4291 /* asm-generic version of this struct */
4292 struct target_semid64_ds
4294 struct target_ipc_perm sem_perm
;
4295 abi_ulong sem_otime
;
4296 #if TARGET_ABI_BITS == 32
4297 abi_ulong __unused1
;
4299 abi_ulong sem_ctime
;
4300 #if TARGET_ABI_BITS == 32
4301 abi_ulong __unused2
;
4303 abi_ulong sem_nsems
;
4304 abi_ulong __unused3
;
4305 abi_ulong __unused4
;
4309 static inline abi_long
target_to_host_ipc_perm(struct ipc_perm
*host_ip
,
4310 abi_ulong target_addr
)
4312 struct target_ipc_perm
*target_ip
;
4313 struct target_semid64_ds
*target_sd
;
4315 if (!lock_user_struct(VERIFY_READ
, target_sd
, target_addr
, 1))
4316 return -TARGET_EFAULT
;
4317 target_ip
= &(target_sd
->sem_perm
);
4318 host_ip
->__key
= tswap32(target_ip
->__key
);
4319 host_ip
->uid
= tswap32(target_ip
->uid
);
4320 host_ip
->gid
= tswap32(target_ip
->gid
);
4321 host_ip
->cuid
= tswap32(target_ip
->cuid
);
4322 host_ip
->cgid
= tswap32(target_ip
->cgid
);
4323 #if defined(TARGET_ALPHA) || defined(TARGET_MIPS) || defined(TARGET_PPC)
4324 host_ip
->mode
= tswap32(target_ip
->mode
);
4326 host_ip
->mode
= tswap16(target_ip
->mode
);
4328 #if defined(TARGET_PPC)
4329 host_ip
->__seq
= tswap32(target_ip
->__seq
);
4331 host_ip
->__seq
= tswap16(target_ip
->__seq
);
4333 unlock_user_struct(target_sd
, target_addr
, 0);
4337 static inline abi_long
host_to_target_ipc_perm(abi_ulong target_addr
,
4338 struct ipc_perm
*host_ip
)
4340 struct target_ipc_perm
*target_ip
;
4341 struct target_semid64_ds
*target_sd
;
4343 if (!lock_user_struct(VERIFY_WRITE
, target_sd
, target_addr
, 0))
4344 return -TARGET_EFAULT
;
4345 target_ip
= &(target_sd
->sem_perm
);
4346 target_ip
->__key
= tswap32(host_ip
->__key
);
4347 target_ip
->uid
= tswap32(host_ip
->uid
);
4348 target_ip
->gid
= tswap32(host_ip
->gid
);
4349 target_ip
->cuid
= tswap32(host_ip
->cuid
);
4350 target_ip
->cgid
= tswap32(host_ip
->cgid
);
4351 #if defined(TARGET_ALPHA) || defined(TARGET_MIPS) || defined(TARGET_PPC)
4352 target_ip
->mode
= tswap32(host_ip
->mode
);
4354 target_ip
->mode
= tswap16(host_ip
->mode
);
4356 #if defined(TARGET_PPC)
4357 target_ip
->__seq
= tswap32(host_ip
->__seq
);
4359 target_ip
->__seq
= tswap16(host_ip
->__seq
);
4361 unlock_user_struct(target_sd
, target_addr
, 1);
4365 static inline abi_long
target_to_host_semid_ds(struct semid_ds
*host_sd
,
4366 abi_ulong target_addr
)
4368 struct target_semid64_ds
*target_sd
;
4370 if (!lock_user_struct(VERIFY_READ
, target_sd
, target_addr
, 1))
4371 return -TARGET_EFAULT
;
4372 if (target_to_host_ipc_perm(&(host_sd
->sem_perm
),target_addr
))
4373 return -TARGET_EFAULT
;
4374 host_sd
->sem_nsems
= tswapal(target_sd
->sem_nsems
);
4375 host_sd
->sem_otime
= tswapal(target_sd
->sem_otime
);
4376 host_sd
->sem_ctime
= tswapal(target_sd
->sem_ctime
);
4377 unlock_user_struct(target_sd
, target_addr
, 0);
4381 static inline abi_long
host_to_target_semid_ds(abi_ulong target_addr
,
4382 struct semid_ds
*host_sd
)
4384 struct target_semid64_ds
*target_sd
;
4386 if (!lock_user_struct(VERIFY_WRITE
, target_sd
, target_addr
, 0))
4387 return -TARGET_EFAULT
;
4388 if (host_to_target_ipc_perm(target_addr
,&(host_sd
->sem_perm
)))
4389 return -TARGET_EFAULT
;
4390 target_sd
->sem_nsems
= tswapal(host_sd
->sem_nsems
);
4391 target_sd
->sem_otime
= tswapal(host_sd
->sem_otime
);
4392 target_sd
->sem_ctime
= tswapal(host_sd
->sem_ctime
);
4393 unlock_user_struct(target_sd
, target_addr
, 1);
4397 struct target_seminfo
{
4410 static inline abi_long
host_to_target_seminfo(abi_ulong target_addr
,
4411 struct seminfo
*host_seminfo
)
4413 struct target_seminfo
*target_seminfo
;
4414 if (!lock_user_struct(VERIFY_WRITE
, target_seminfo
, target_addr
, 0))
4415 return -TARGET_EFAULT
;
4416 __put_user(host_seminfo
->semmap
, &target_seminfo
->semmap
);
4417 __put_user(host_seminfo
->semmni
, &target_seminfo
->semmni
);
4418 __put_user(host_seminfo
->semmns
, &target_seminfo
->semmns
);
4419 __put_user(host_seminfo
->semmnu
, &target_seminfo
->semmnu
);
4420 __put_user(host_seminfo
->semmsl
, &target_seminfo
->semmsl
);
4421 __put_user(host_seminfo
->semopm
, &target_seminfo
->semopm
);
4422 __put_user(host_seminfo
->semume
, &target_seminfo
->semume
);
4423 __put_user(host_seminfo
->semusz
, &target_seminfo
->semusz
);
4424 __put_user(host_seminfo
->semvmx
, &target_seminfo
->semvmx
);
4425 __put_user(host_seminfo
->semaem
, &target_seminfo
->semaem
);
4426 unlock_user_struct(target_seminfo
, target_addr
, 1);
4432 struct semid_ds
*buf
;
4433 unsigned short *array
;
4434 struct seminfo
*__buf
;
4437 union target_semun
{
4444 static inline abi_long
target_to_host_semarray(int semid
, unsigned short **host_array
,
4445 abi_ulong target_addr
)
4448 unsigned short *array
;
4450 struct semid_ds semid_ds
;
4453 semun
.buf
= &semid_ds
;
4455 ret
= semctl(semid
, 0, IPC_STAT
, semun
);
4457 return get_errno(ret
);
4459 nsems
= semid_ds
.sem_nsems
;
4461 *host_array
= g_try_new(unsigned short, nsems
);
4463 return -TARGET_ENOMEM
;
4465 array
= lock_user(VERIFY_READ
, target_addr
,
4466 nsems
*sizeof(unsigned short), 1);
4468 g_free(*host_array
);
4469 return -TARGET_EFAULT
;
4472 for(i
=0; i
<nsems
; i
++) {
4473 __get_user((*host_array
)[i
], &array
[i
]);
4475 unlock_user(array
, target_addr
, 0);
4480 static inline abi_long
host_to_target_semarray(int semid
, abi_ulong target_addr
,
4481 unsigned short **host_array
)
4484 unsigned short *array
;
4486 struct semid_ds semid_ds
;
4489 semun
.buf
= &semid_ds
;
4491 ret
= semctl(semid
, 0, IPC_STAT
, semun
);
4493 return get_errno(ret
);
4495 nsems
= semid_ds
.sem_nsems
;
4497 array
= lock_user(VERIFY_WRITE
, target_addr
,
4498 nsems
*sizeof(unsigned short), 0);
4500 return -TARGET_EFAULT
;
4502 for(i
=0; i
<nsems
; i
++) {
4503 __put_user((*host_array
)[i
], &array
[i
]);
4505 g_free(*host_array
);
4506 unlock_user(array
, target_addr
, 1);
4511 static inline abi_long
do_semctl(int semid
, int semnum
, int cmd
,
4512 abi_ulong target_arg
)
4514 union target_semun target_su
= { .buf
= target_arg
};
4516 struct semid_ds dsarg
;
4517 unsigned short *array
= NULL
;
4518 struct seminfo seminfo
;
4519 abi_long ret
= -TARGET_EINVAL
;
4526 /* In 64 bit cross-endian situations, we will erroneously pick up
4527 * the wrong half of the union for the "val" element. To rectify
4528 * this, the entire 8-byte structure is byteswapped, followed by
4529 * a swap of the 4 byte val field. In other cases, the data is
4530 * already in proper host byte order. */
4531 if (sizeof(target_su
.val
) != (sizeof(target_su
.buf
))) {
4532 target_su
.buf
= tswapal(target_su
.buf
);
4533 arg
.val
= tswap32(target_su
.val
);
4535 arg
.val
= target_su
.val
;
4537 ret
= get_errno(semctl(semid
, semnum
, cmd
, arg
));
4541 err
= target_to_host_semarray(semid
, &array
, target_su
.array
);
4545 ret
= get_errno(semctl(semid
, semnum
, cmd
, arg
));
4546 err
= host_to_target_semarray(semid
, target_su
.array
, &array
);
4553 err
= target_to_host_semid_ds(&dsarg
, target_su
.buf
);
4557 ret
= get_errno(semctl(semid
, semnum
, cmd
, arg
));
4558 err
= host_to_target_semid_ds(target_su
.buf
, &dsarg
);
4564 arg
.__buf
= &seminfo
;
4565 ret
= get_errno(semctl(semid
, semnum
, cmd
, arg
));
4566 err
= host_to_target_seminfo(target_su
.__buf
, &seminfo
);
4574 ret
= get_errno(semctl(semid
, semnum
, cmd
, NULL
));
4581 struct target_sembuf
{
4582 unsigned short sem_num
;
4587 static inline abi_long
target_to_host_sembuf(struct sembuf
*host_sembuf
,
4588 abi_ulong target_addr
,
4591 struct target_sembuf
*target_sembuf
;
4594 target_sembuf
= lock_user(VERIFY_READ
, target_addr
,
4595 nsops
*sizeof(struct target_sembuf
), 1);
4597 return -TARGET_EFAULT
;
4599 for(i
=0; i
<nsops
; i
++) {
4600 __get_user(host_sembuf
[i
].sem_num
, &target_sembuf
[i
].sem_num
);
4601 __get_user(host_sembuf
[i
].sem_op
, &target_sembuf
[i
].sem_op
);
4602 __get_user(host_sembuf
[i
].sem_flg
, &target_sembuf
[i
].sem_flg
);
4605 unlock_user(target_sembuf
, target_addr
, 0);
4610 static inline abi_long
do_semop(int semid
, abi_long ptr
, unsigned nsops
)
4612 struct sembuf sops
[nsops
];
4614 if (target_to_host_sembuf(sops
, ptr
, nsops
))
4615 return -TARGET_EFAULT
;
4617 return get_errno(safe_semtimedop(semid
, sops
, nsops
, NULL
));
4620 struct target_msqid_ds
4622 struct target_ipc_perm msg_perm
;
4623 abi_ulong msg_stime
;
4624 #if TARGET_ABI_BITS == 32
4625 abi_ulong __unused1
;
4627 abi_ulong msg_rtime
;
4628 #if TARGET_ABI_BITS == 32
4629 abi_ulong __unused2
;
4631 abi_ulong msg_ctime
;
4632 #if TARGET_ABI_BITS == 32
4633 abi_ulong __unused3
;
4635 abi_ulong __msg_cbytes
;
4637 abi_ulong msg_qbytes
;
4638 abi_ulong msg_lspid
;
4639 abi_ulong msg_lrpid
;
4640 abi_ulong __unused4
;
4641 abi_ulong __unused5
;
4644 static inline abi_long
target_to_host_msqid_ds(struct msqid_ds
*host_md
,
4645 abi_ulong target_addr
)
4647 struct target_msqid_ds
*target_md
;
4649 if (!lock_user_struct(VERIFY_READ
, target_md
, target_addr
, 1))
4650 return -TARGET_EFAULT
;
4651 if (target_to_host_ipc_perm(&(host_md
->msg_perm
),target_addr
))
4652 return -TARGET_EFAULT
;
4653 host_md
->msg_stime
= tswapal(target_md
->msg_stime
);
4654 host_md
->msg_rtime
= tswapal(target_md
->msg_rtime
);
4655 host_md
->msg_ctime
= tswapal(target_md
->msg_ctime
);
4656 host_md
->__msg_cbytes
= tswapal(target_md
->__msg_cbytes
);
4657 host_md
->msg_qnum
= tswapal(target_md
->msg_qnum
);
4658 host_md
->msg_qbytes
= tswapal(target_md
->msg_qbytes
);
4659 host_md
->msg_lspid
= tswapal(target_md
->msg_lspid
);
4660 host_md
->msg_lrpid
= tswapal(target_md
->msg_lrpid
);
4661 unlock_user_struct(target_md
, target_addr
, 0);
4665 static inline abi_long
host_to_target_msqid_ds(abi_ulong target_addr
,
4666 struct msqid_ds
*host_md
)
4668 struct target_msqid_ds
*target_md
;
4670 if (!lock_user_struct(VERIFY_WRITE
, target_md
, target_addr
, 0))
4671 return -TARGET_EFAULT
;
4672 if (host_to_target_ipc_perm(target_addr
,&(host_md
->msg_perm
)))
4673 return -TARGET_EFAULT
;
4674 target_md
->msg_stime
= tswapal(host_md
->msg_stime
);
4675 target_md
->msg_rtime
= tswapal(host_md
->msg_rtime
);
4676 target_md
->msg_ctime
= tswapal(host_md
->msg_ctime
);
4677 target_md
->__msg_cbytes
= tswapal(host_md
->__msg_cbytes
);
4678 target_md
->msg_qnum
= tswapal(host_md
->msg_qnum
);
4679 target_md
->msg_qbytes
= tswapal(host_md
->msg_qbytes
);
4680 target_md
->msg_lspid
= tswapal(host_md
->msg_lspid
);
4681 target_md
->msg_lrpid
= tswapal(host_md
->msg_lrpid
);
4682 unlock_user_struct(target_md
, target_addr
, 1);
4686 struct target_msginfo
{
4694 unsigned short int msgseg
;
4697 static inline abi_long
host_to_target_msginfo(abi_ulong target_addr
,
4698 struct msginfo
*host_msginfo
)
4700 struct target_msginfo
*target_msginfo
;
4701 if (!lock_user_struct(VERIFY_WRITE
, target_msginfo
, target_addr
, 0))
4702 return -TARGET_EFAULT
;
4703 __put_user(host_msginfo
->msgpool
, &target_msginfo
->msgpool
);
4704 __put_user(host_msginfo
->msgmap
, &target_msginfo
->msgmap
);
4705 __put_user(host_msginfo
->msgmax
, &target_msginfo
->msgmax
);
4706 __put_user(host_msginfo
->msgmnb
, &target_msginfo
->msgmnb
);
4707 __put_user(host_msginfo
->msgmni
, &target_msginfo
->msgmni
);
4708 __put_user(host_msginfo
->msgssz
, &target_msginfo
->msgssz
);
4709 __put_user(host_msginfo
->msgtql
, &target_msginfo
->msgtql
);
4710 __put_user(host_msginfo
->msgseg
, &target_msginfo
->msgseg
);
4711 unlock_user_struct(target_msginfo
, target_addr
, 1);
4715 static inline abi_long
do_msgctl(int msgid
, int cmd
, abi_long ptr
)
4717 struct msqid_ds dsarg
;
4718 struct msginfo msginfo
;
4719 abi_long ret
= -TARGET_EINVAL
;
4727 if (target_to_host_msqid_ds(&dsarg
,ptr
))
4728 return -TARGET_EFAULT
;
4729 ret
= get_errno(msgctl(msgid
, cmd
, &dsarg
));
4730 if (host_to_target_msqid_ds(ptr
,&dsarg
))
4731 return -TARGET_EFAULT
;
4734 ret
= get_errno(msgctl(msgid
, cmd
, NULL
));
4738 ret
= get_errno(msgctl(msgid
, cmd
, (struct msqid_ds
*)&msginfo
));
4739 if (host_to_target_msginfo(ptr
, &msginfo
))
4740 return -TARGET_EFAULT
;
4747 struct target_msgbuf
{
4752 static inline abi_long
do_msgsnd(int msqid
, abi_long msgp
,
4753 ssize_t msgsz
, int msgflg
)
4755 struct target_msgbuf
*target_mb
;
4756 struct msgbuf
*host_mb
;
4760 return -TARGET_EINVAL
;
4763 if (!lock_user_struct(VERIFY_READ
, target_mb
, msgp
, 0))
4764 return -TARGET_EFAULT
;
4765 host_mb
= g_try_malloc(msgsz
+ sizeof(long));
4767 unlock_user_struct(target_mb
, msgp
, 0);
4768 return -TARGET_ENOMEM
;
4770 host_mb
->mtype
= (abi_long
) tswapal(target_mb
->mtype
);
4771 memcpy(host_mb
->mtext
, target_mb
->mtext
, msgsz
);
4772 ret
= get_errno(safe_msgsnd(msqid
, host_mb
, msgsz
, msgflg
));
4774 unlock_user_struct(target_mb
, msgp
, 0);
4779 static inline abi_long
do_msgrcv(int msqid
, abi_long msgp
,
4780 ssize_t msgsz
, abi_long msgtyp
,
4783 struct target_msgbuf
*target_mb
;
4785 struct msgbuf
*host_mb
;
4789 return -TARGET_EINVAL
;
4792 if (!lock_user_struct(VERIFY_WRITE
, target_mb
, msgp
, 0))
4793 return -TARGET_EFAULT
;
4795 host_mb
= g_try_malloc(msgsz
+ sizeof(long));
4797 ret
= -TARGET_ENOMEM
;
4800 ret
= get_errno(safe_msgrcv(msqid
, host_mb
, msgsz
, msgtyp
, msgflg
));
4803 abi_ulong target_mtext_addr
= msgp
+ sizeof(abi_ulong
);
4804 target_mtext
= lock_user(VERIFY_WRITE
, target_mtext_addr
, ret
, 0);
4805 if (!target_mtext
) {
4806 ret
= -TARGET_EFAULT
;
4809 memcpy(target_mb
->mtext
, host_mb
->mtext
, ret
);
4810 unlock_user(target_mtext
, target_mtext_addr
, ret
);
4813 target_mb
->mtype
= tswapal(host_mb
->mtype
);
4817 unlock_user_struct(target_mb
, msgp
, 1);
4822 static inline abi_long
target_to_host_shmid_ds(struct shmid_ds
*host_sd
,
4823 abi_ulong target_addr
)
4825 struct target_shmid_ds
*target_sd
;
4827 if (!lock_user_struct(VERIFY_READ
, target_sd
, target_addr
, 1))
4828 return -TARGET_EFAULT
;
4829 if (target_to_host_ipc_perm(&(host_sd
->shm_perm
), target_addr
))
4830 return -TARGET_EFAULT
;
4831 __get_user(host_sd
->shm_segsz
, &target_sd
->shm_segsz
);
4832 __get_user(host_sd
->shm_atime
, &target_sd
->shm_atime
);
4833 __get_user(host_sd
->shm_dtime
, &target_sd
->shm_dtime
);
4834 __get_user(host_sd
->shm_ctime
, &target_sd
->shm_ctime
);
4835 __get_user(host_sd
->shm_cpid
, &target_sd
->shm_cpid
);
4836 __get_user(host_sd
->shm_lpid
, &target_sd
->shm_lpid
);
4837 __get_user(host_sd
->shm_nattch
, &target_sd
->shm_nattch
);
4838 unlock_user_struct(target_sd
, target_addr
, 0);
4842 static inline abi_long
host_to_target_shmid_ds(abi_ulong target_addr
,
4843 struct shmid_ds
*host_sd
)
4845 struct target_shmid_ds
*target_sd
;
4847 if (!lock_user_struct(VERIFY_WRITE
, target_sd
, target_addr
, 0))
4848 return -TARGET_EFAULT
;
4849 if (host_to_target_ipc_perm(target_addr
, &(host_sd
->shm_perm
)))
4850 return -TARGET_EFAULT
;
4851 __put_user(host_sd
->shm_segsz
, &target_sd
->shm_segsz
);
4852 __put_user(host_sd
->shm_atime
, &target_sd
->shm_atime
);
4853 __put_user(host_sd
->shm_dtime
, &target_sd
->shm_dtime
);
4854 __put_user(host_sd
->shm_ctime
, &target_sd
->shm_ctime
);
4855 __put_user(host_sd
->shm_cpid
, &target_sd
->shm_cpid
);
4856 __put_user(host_sd
->shm_lpid
, &target_sd
->shm_lpid
);
4857 __put_user(host_sd
->shm_nattch
, &target_sd
->shm_nattch
);
4858 unlock_user_struct(target_sd
, target_addr
, 1);
4862 struct target_shminfo
{
4870 static inline abi_long
host_to_target_shminfo(abi_ulong target_addr
,
4871 struct shminfo
*host_shminfo
)
4873 struct target_shminfo
*target_shminfo
;
4874 if (!lock_user_struct(VERIFY_WRITE
, target_shminfo
, target_addr
, 0))
4875 return -TARGET_EFAULT
;
4876 __put_user(host_shminfo
->shmmax
, &target_shminfo
->shmmax
);
4877 __put_user(host_shminfo
->shmmin
, &target_shminfo
->shmmin
);
4878 __put_user(host_shminfo
->shmmni
, &target_shminfo
->shmmni
);
4879 __put_user(host_shminfo
->shmseg
, &target_shminfo
->shmseg
);
4880 __put_user(host_shminfo
->shmall
, &target_shminfo
->shmall
);
4881 unlock_user_struct(target_shminfo
, target_addr
, 1);
4885 struct target_shm_info
{
4890 abi_ulong swap_attempts
;
4891 abi_ulong swap_successes
;
4894 static inline abi_long
host_to_target_shm_info(abi_ulong target_addr
,
4895 struct shm_info
*host_shm_info
)
4897 struct target_shm_info
*target_shm_info
;
4898 if (!lock_user_struct(VERIFY_WRITE
, target_shm_info
, target_addr
, 0))
4899 return -TARGET_EFAULT
;
4900 __put_user(host_shm_info
->used_ids
, &target_shm_info
->used_ids
);
4901 __put_user(host_shm_info
->shm_tot
, &target_shm_info
->shm_tot
);
4902 __put_user(host_shm_info
->shm_rss
, &target_shm_info
->shm_rss
);
4903 __put_user(host_shm_info
->shm_swp
, &target_shm_info
->shm_swp
);
4904 __put_user(host_shm_info
->swap_attempts
, &target_shm_info
->swap_attempts
);
4905 __put_user(host_shm_info
->swap_successes
, &target_shm_info
->swap_successes
);
4906 unlock_user_struct(target_shm_info
, target_addr
, 1);
4910 static inline abi_long
do_shmctl(int shmid
, int cmd
, abi_long buf
)
4912 struct shmid_ds dsarg
;
4913 struct shminfo shminfo
;
4914 struct shm_info shm_info
;
4915 abi_long ret
= -TARGET_EINVAL
;
4923 if (target_to_host_shmid_ds(&dsarg
, buf
))
4924 return -TARGET_EFAULT
;
4925 ret
= get_errno(shmctl(shmid
, cmd
, &dsarg
));
4926 if (host_to_target_shmid_ds(buf
, &dsarg
))
4927 return -TARGET_EFAULT
;
4930 ret
= get_errno(shmctl(shmid
, cmd
, (struct shmid_ds
*)&shminfo
));
4931 if (host_to_target_shminfo(buf
, &shminfo
))
4932 return -TARGET_EFAULT
;
4935 ret
= get_errno(shmctl(shmid
, cmd
, (struct shmid_ds
*)&shm_info
));
4936 if (host_to_target_shm_info(buf
, &shm_info
))
4937 return -TARGET_EFAULT
;
4942 ret
= get_errno(shmctl(shmid
, cmd
, NULL
));
4949 #ifndef TARGET_FORCE_SHMLBA
4950 /* For most architectures, SHMLBA is the same as the page size;
4951 * some architectures have larger values, in which case they should
4952 * define TARGET_FORCE_SHMLBA and provide a target_shmlba() function.
4953 * This corresponds to the kernel arch code defining __ARCH_FORCE_SHMLBA
4954 * and defining its own value for SHMLBA.
4956 * The kernel also permits SHMLBA to be set by the architecture to a
4957 * value larger than the page size without setting __ARCH_FORCE_SHMLBA;
4958 * this means that addresses are rounded to the large size if
4959 * SHM_RND is set but addresses not aligned to that size are not rejected
4960 * as long as they are at least page-aligned. Since the only architecture
4961 * which uses this is ia64 this code doesn't provide for that oddity.
4963 static inline abi_ulong
target_shmlba(CPUArchState
*cpu_env
)
4965 return TARGET_PAGE_SIZE
;
4969 static inline abi_ulong
do_shmat(CPUArchState
*cpu_env
,
4970 int shmid
, abi_ulong shmaddr
, int shmflg
)
4974 struct shmid_ds shm_info
;
4978 /* find out the length of the shared memory segment */
4979 ret
= get_errno(shmctl(shmid
, IPC_STAT
, &shm_info
));
4980 if (is_error(ret
)) {
4981 /* can't get length, bail out */
4985 shmlba
= target_shmlba(cpu_env
);
4987 if (shmaddr
& (shmlba
- 1)) {
4988 if (shmflg
& SHM_RND
) {
4989 shmaddr
&= ~(shmlba
- 1);
4991 return -TARGET_EINVAL
;
4994 if (!guest_range_valid(shmaddr
, shm_info
.shm_segsz
)) {
4995 return -TARGET_EINVAL
;
5001 host_raddr
= shmat(shmid
, (void *)g2h(shmaddr
), shmflg
);
5003 abi_ulong mmap_start
;
5005 mmap_start
= mmap_find_vma(0, shm_info
.shm_segsz
);
5007 if (mmap_start
== -1) {
5009 host_raddr
= (void *)-1;
5011 host_raddr
= shmat(shmid
, g2h(mmap_start
), shmflg
| SHM_REMAP
);
5014 if (host_raddr
== (void *)-1) {
5016 return get_errno((long)host_raddr
);
5018 raddr
=h2g((unsigned long)host_raddr
);
5020 page_set_flags(raddr
, raddr
+ shm_info
.shm_segsz
,
5021 PAGE_VALID
| PAGE_READ
|
5022 ((shmflg
& SHM_RDONLY
)? 0 : PAGE_WRITE
));
5024 for (i
= 0; i
< N_SHM_REGIONS
; i
++) {
5025 if (!shm_regions
[i
].in_use
) {
5026 shm_regions
[i
].in_use
= true;
5027 shm_regions
[i
].start
= raddr
;
5028 shm_regions
[i
].size
= shm_info
.shm_segsz
;
5038 static inline abi_long
do_shmdt(abi_ulong shmaddr
)
5045 for (i
= 0; i
< N_SHM_REGIONS
; ++i
) {
5046 if (shm_regions
[i
].in_use
&& shm_regions
[i
].start
== shmaddr
) {
5047 shm_regions
[i
].in_use
= false;
5048 page_set_flags(shmaddr
, shmaddr
+ shm_regions
[i
].size
, 0);
5052 rv
= get_errno(shmdt(g2h(shmaddr
)));
5059 #ifdef TARGET_NR_ipc
5060 /* ??? This only works with linear mappings. */
5061 /* do_ipc() must return target values and target errnos. */
5062 static abi_long
do_ipc(CPUArchState
*cpu_env
,
5063 unsigned int call
, abi_long first
,
5064 abi_long second
, abi_long third
,
5065 abi_long ptr
, abi_long fifth
)
5070 version
= call
>> 16;
5075 ret
= do_semop(first
, ptr
, second
);
5079 ret
= get_errno(semget(first
, second
, third
));
5082 case IPCOP_semctl
: {
5083 /* The semun argument to semctl is passed by value, so dereference the
5086 get_user_ual(atptr
, ptr
);
5087 ret
= do_semctl(first
, second
, third
, atptr
);
5092 ret
= get_errno(msgget(first
, second
));
5096 ret
= do_msgsnd(first
, ptr
, second
, third
);
5100 ret
= do_msgctl(first
, second
, ptr
);
5107 struct target_ipc_kludge
{
5112 if (!lock_user_struct(VERIFY_READ
, tmp
, ptr
, 1)) {
5113 ret
= -TARGET_EFAULT
;
5117 ret
= do_msgrcv(first
, tswapal(tmp
->msgp
), second
, tswapal(tmp
->msgtyp
), third
);
5119 unlock_user_struct(tmp
, ptr
, 0);
5123 ret
= do_msgrcv(first
, ptr
, second
, fifth
, third
);
5132 raddr
= do_shmat(cpu_env
, first
, ptr
, second
);
5133 if (is_error(raddr
))
5134 return get_errno(raddr
);
5135 if (put_user_ual(raddr
, third
))
5136 return -TARGET_EFAULT
;
5140 ret
= -TARGET_EINVAL
;
5145 ret
= do_shmdt(ptr
);
5149 /* IPC_* flag values are the same on all linux platforms */
5150 ret
= get_errno(shmget(first
, second
, third
));
5153 /* IPC_* and SHM_* command values are the same on all linux platforms */
5155 ret
= do_shmctl(first
, second
, ptr
);
5158 gemu_log("Unsupported ipc call: %d (version %d)\n", call
, version
);
5159 ret
= -TARGET_ENOSYS
;
5166 /* kernel structure types definitions */
5168 #define STRUCT(name, ...) STRUCT_ ## name,
5169 #define STRUCT_SPECIAL(name) STRUCT_ ## name,
5171 #include "syscall_types.h"
5175 #undef STRUCT_SPECIAL
5177 #define STRUCT(name, ...) static const argtype struct_ ## name ## _def[] = { __VA_ARGS__, TYPE_NULL };
5178 #define STRUCT_SPECIAL(name)
5179 #include "syscall_types.h"
5181 #undef STRUCT_SPECIAL
5183 typedef struct IOCTLEntry IOCTLEntry
;
5185 typedef abi_long
do_ioctl_fn(const IOCTLEntry
*ie
, uint8_t *buf_temp
,
5186 int fd
, int cmd
, abi_long arg
);
5190 unsigned int host_cmd
;
5193 do_ioctl_fn
*do_ioctl
;
5194 const argtype arg_type
[5];
5197 #define IOC_R 0x0001
5198 #define IOC_W 0x0002
5199 #define IOC_RW (IOC_R | IOC_W)
5201 #define MAX_STRUCT_SIZE 4096
5203 #ifdef CONFIG_FIEMAP
5204 /* So fiemap access checks don't overflow on 32 bit systems.
5205 * This is very slightly smaller than the limit imposed by
5206 * the underlying kernel.
5208 #define FIEMAP_MAX_EXTENTS ((UINT_MAX - sizeof(struct fiemap)) \
5209 / sizeof(struct fiemap_extent))
5211 static abi_long
do_ioctl_fs_ioc_fiemap(const IOCTLEntry
*ie
, uint8_t *buf_temp
,
5212 int fd
, int cmd
, abi_long arg
)
5214 /* The parameter for this ioctl is a struct fiemap followed
5215 * by an array of struct fiemap_extent whose size is set
5216 * in fiemap->fm_extent_count. The array is filled in by the
5219 int target_size_in
, target_size_out
;
5221 const argtype
*arg_type
= ie
->arg_type
;
5222 const argtype extent_arg_type
[] = { MK_STRUCT(STRUCT_fiemap_extent
) };
5225 int i
, extent_size
= thunk_type_size(extent_arg_type
, 0);
5229 assert(arg_type
[0] == TYPE_PTR
);
5230 assert(ie
->access
== IOC_RW
);
5232 target_size_in
= thunk_type_size(arg_type
, 0);
5233 argptr
= lock_user(VERIFY_READ
, arg
, target_size_in
, 1);
5235 return -TARGET_EFAULT
;
5237 thunk_convert(buf_temp
, argptr
, arg_type
, THUNK_HOST
);
5238 unlock_user(argptr
, arg
, 0);
5239 fm
= (struct fiemap
*)buf_temp
;
5240 if (fm
->fm_extent_count
> FIEMAP_MAX_EXTENTS
) {
5241 return -TARGET_EINVAL
;
5244 outbufsz
= sizeof (*fm
) +
5245 (sizeof(struct fiemap_extent
) * fm
->fm_extent_count
);
5247 if (outbufsz
> MAX_STRUCT_SIZE
) {
5248 /* We can't fit all the extents into the fixed size buffer.
5249 * Allocate one that is large enough and use it instead.
5251 fm
= g_try_malloc(outbufsz
);
5253 return -TARGET_ENOMEM
;
5255 memcpy(fm
, buf_temp
, sizeof(struct fiemap
));
5258 ret
= get_errno(safe_ioctl(fd
, ie
->host_cmd
, fm
));
5259 if (!is_error(ret
)) {
5260 target_size_out
= target_size_in
;
5261 /* An extent_count of 0 means we were only counting the extents
5262 * so there are no structs to copy
5264 if (fm
->fm_extent_count
!= 0) {
5265 target_size_out
+= fm
->fm_mapped_extents
* extent_size
;
5267 argptr
= lock_user(VERIFY_WRITE
, arg
, target_size_out
, 0);
5269 ret
= -TARGET_EFAULT
;
5271 /* Convert the struct fiemap */
5272 thunk_convert(argptr
, fm
, arg_type
, THUNK_TARGET
);
5273 if (fm
->fm_extent_count
!= 0) {
5274 p
= argptr
+ target_size_in
;
5275 /* ...and then all the struct fiemap_extents */
5276 for (i
= 0; i
< fm
->fm_mapped_extents
; i
++) {
5277 thunk_convert(p
, &fm
->fm_extents
[i
], extent_arg_type
,
5282 unlock_user(argptr
, arg
, target_size_out
);
5292 static abi_long
do_ioctl_ifconf(const IOCTLEntry
*ie
, uint8_t *buf_temp
,
5293 int fd
, int cmd
, abi_long arg
)
5295 const argtype
*arg_type
= ie
->arg_type
;
5299 struct ifconf
*host_ifconf
;
5301 const argtype ifreq_arg_type
[] = { MK_STRUCT(STRUCT_sockaddr_ifreq
) };
5302 int target_ifreq_size
;
5307 abi_long target_ifc_buf
;
5311 assert(arg_type
[0] == TYPE_PTR
);
5312 assert(ie
->access
== IOC_RW
);
5315 target_size
= thunk_type_size(arg_type
, 0);
5317 argptr
= lock_user(VERIFY_READ
, arg
, target_size
, 1);
5319 return -TARGET_EFAULT
;
5320 thunk_convert(buf_temp
, argptr
, arg_type
, THUNK_HOST
);
5321 unlock_user(argptr
, arg
, 0);
5323 host_ifconf
= (struct ifconf
*)(unsigned long)buf_temp
;
5324 target_ifc_len
= host_ifconf
->ifc_len
;
5325 target_ifc_buf
= (abi_long
)(unsigned long)host_ifconf
->ifc_buf
;
5327 target_ifreq_size
= thunk_type_size(ifreq_arg_type
, 0);
5328 nb_ifreq
= target_ifc_len
/ target_ifreq_size
;
5329 host_ifc_len
= nb_ifreq
* sizeof(struct ifreq
);
5331 outbufsz
= sizeof(*host_ifconf
) + host_ifc_len
;
5332 if (outbufsz
> MAX_STRUCT_SIZE
) {
5333 /* We can't fit all the extents into the fixed size buffer.
5334 * Allocate one that is large enough and use it instead.
5336 host_ifconf
= malloc(outbufsz
);
5338 return -TARGET_ENOMEM
;
5340 memcpy(host_ifconf
, buf_temp
, sizeof(*host_ifconf
));
5343 host_ifc_buf
= (char*)host_ifconf
+ sizeof(*host_ifconf
);
5345 host_ifconf
->ifc_len
= host_ifc_len
;
5346 host_ifconf
->ifc_buf
= host_ifc_buf
;
5348 ret
= get_errno(safe_ioctl(fd
, ie
->host_cmd
, host_ifconf
));
5349 if (!is_error(ret
)) {
5350 /* convert host ifc_len to target ifc_len */
5352 nb_ifreq
= host_ifconf
->ifc_len
/ sizeof(struct ifreq
);
5353 target_ifc_len
= nb_ifreq
* target_ifreq_size
;
5354 host_ifconf
->ifc_len
= target_ifc_len
;
5356 /* restore target ifc_buf */
5358 host_ifconf
->ifc_buf
= (char *)(unsigned long)target_ifc_buf
;
5360 /* copy struct ifconf to target user */
5362 argptr
= lock_user(VERIFY_WRITE
, arg
, target_size
, 0);
5364 return -TARGET_EFAULT
;
5365 thunk_convert(argptr
, host_ifconf
, arg_type
, THUNK_TARGET
);
5366 unlock_user(argptr
, arg
, target_size
);
5368 /* copy ifreq[] to target user */
5370 argptr
= lock_user(VERIFY_WRITE
, target_ifc_buf
, target_ifc_len
, 0);
5371 for (i
= 0; i
< nb_ifreq
; i
++) {
5372 thunk_convert(argptr
+ i
* target_ifreq_size
,
5373 host_ifc_buf
+ i
* sizeof(struct ifreq
),
5374 ifreq_arg_type
, THUNK_TARGET
);
5376 unlock_user(argptr
, target_ifc_buf
, target_ifc_len
);
5386 static abi_long
do_ioctl_dm(const IOCTLEntry
*ie
, uint8_t *buf_temp
, int fd
,
5387 int cmd
, abi_long arg
)
5390 struct dm_ioctl
*host_dm
;
5391 abi_long guest_data
;
5392 uint32_t guest_data_size
;
5394 const argtype
*arg_type
= ie
->arg_type
;
5396 void *big_buf
= NULL
;
5400 target_size
= thunk_type_size(arg_type
, 0);
5401 argptr
= lock_user(VERIFY_READ
, arg
, target_size
, 1);
5403 ret
= -TARGET_EFAULT
;
5406 thunk_convert(buf_temp
, argptr
, arg_type
, THUNK_HOST
);
5407 unlock_user(argptr
, arg
, 0);
5409 /* buf_temp is too small, so fetch things into a bigger buffer */
5410 big_buf
= g_malloc0(((struct dm_ioctl
*)buf_temp
)->data_size
* 2);
5411 memcpy(big_buf
, buf_temp
, target_size
);
5415 guest_data
= arg
+ host_dm
->data_start
;
5416 if ((guest_data
- arg
) < 0) {
5417 ret
= -TARGET_EINVAL
;
5420 guest_data_size
= host_dm
->data_size
- host_dm
->data_start
;
5421 host_data
= (char*)host_dm
+ host_dm
->data_start
;
5423 argptr
= lock_user(VERIFY_READ
, guest_data
, guest_data_size
, 1);
5425 ret
= -TARGET_EFAULT
;
5429 switch (ie
->host_cmd
) {
5431 case DM_LIST_DEVICES
:
5434 case DM_DEV_SUSPEND
:
5437 case DM_TABLE_STATUS
:
5438 case DM_TABLE_CLEAR
:
5440 case DM_LIST_VERSIONS
:
5444 case DM_DEV_SET_GEOMETRY
:
5445 /* data contains only strings */
5446 memcpy(host_data
, argptr
, guest_data_size
);
5449 memcpy(host_data
, argptr
, guest_data_size
);
5450 *(uint64_t*)host_data
= tswap64(*(uint64_t*)argptr
);
5454 void *gspec
= argptr
;
5455 void *cur_data
= host_data
;
5456 const argtype arg_type
[] = { MK_STRUCT(STRUCT_dm_target_spec
) };
5457 int spec_size
= thunk_type_size(arg_type
, 0);
5460 for (i
= 0; i
< host_dm
->target_count
; i
++) {
5461 struct dm_target_spec
*spec
= cur_data
;
5465 thunk_convert(spec
, gspec
, arg_type
, THUNK_HOST
);
5466 slen
= strlen((char*)gspec
+ spec_size
) + 1;
5468 spec
->next
= sizeof(*spec
) + slen
;
5469 strcpy((char*)&spec
[1], gspec
+ spec_size
);
5471 cur_data
+= spec
->next
;
5476 ret
= -TARGET_EINVAL
;
5477 unlock_user(argptr
, guest_data
, 0);
5480 unlock_user(argptr
, guest_data
, 0);
5482 ret
= get_errno(safe_ioctl(fd
, ie
->host_cmd
, buf_temp
));
5483 if (!is_error(ret
)) {
5484 guest_data
= arg
+ host_dm
->data_start
;
5485 guest_data_size
= host_dm
->data_size
- host_dm
->data_start
;
5486 argptr
= lock_user(VERIFY_WRITE
, guest_data
, guest_data_size
, 0);
5487 switch (ie
->host_cmd
) {
5492 case DM_DEV_SUSPEND
:
5495 case DM_TABLE_CLEAR
:
5497 case DM_DEV_SET_GEOMETRY
:
5498 /* no return data */
5500 case DM_LIST_DEVICES
:
5502 struct dm_name_list
*nl
= (void*)host_dm
+ host_dm
->data_start
;
5503 uint32_t remaining_data
= guest_data_size
;
5504 void *cur_data
= argptr
;
5505 const argtype arg_type
[] = { MK_STRUCT(STRUCT_dm_name_list
) };
5506 int nl_size
= 12; /* can't use thunk_size due to alignment */
5509 uint32_t next
= nl
->next
;
5511 nl
->next
= nl_size
+ (strlen(nl
->name
) + 1);
5513 if (remaining_data
< nl
->next
) {
5514 host_dm
->flags
|= DM_BUFFER_FULL_FLAG
;
5517 thunk_convert(cur_data
, nl
, arg_type
, THUNK_TARGET
);
5518 strcpy(cur_data
+ nl_size
, nl
->name
);
5519 cur_data
+= nl
->next
;
5520 remaining_data
-= nl
->next
;
5524 nl
= (void*)nl
+ next
;
5529 case DM_TABLE_STATUS
:
5531 struct dm_target_spec
*spec
= (void*)host_dm
+ host_dm
->data_start
;
5532 void *cur_data
= argptr
;
5533 const argtype arg_type
[] = { MK_STRUCT(STRUCT_dm_target_spec
) };
5534 int spec_size
= thunk_type_size(arg_type
, 0);
5537 for (i
= 0; i
< host_dm
->target_count
; i
++) {
5538 uint32_t next
= spec
->next
;
5539 int slen
= strlen((char*)&spec
[1]) + 1;
5540 spec
->next
= (cur_data
- argptr
) + spec_size
+ slen
;
5541 if (guest_data_size
< spec
->next
) {
5542 host_dm
->flags
|= DM_BUFFER_FULL_FLAG
;
5545 thunk_convert(cur_data
, spec
, arg_type
, THUNK_TARGET
);
5546 strcpy(cur_data
+ spec_size
, (char*)&spec
[1]);
5547 cur_data
= argptr
+ spec
->next
;
5548 spec
= (void*)host_dm
+ host_dm
->data_start
+ next
;
5554 void *hdata
= (void*)host_dm
+ host_dm
->data_start
;
5555 int count
= *(uint32_t*)hdata
;
5556 uint64_t *hdev
= hdata
+ 8;
5557 uint64_t *gdev
= argptr
+ 8;
5560 *(uint32_t*)argptr
= tswap32(count
);
5561 for (i
= 0; i
< count
; i
++) {
5562 *gdev
= tswap64(*hdev
);
5568 case DM_LIST_VERSIONS
:
5570 struct dm_target_versions
*vers
= (void*)host_dm
+ host_dm
->data_start
;
5571 uint32_t remaining_data
= guest_data_size
;
5572 void *cur_data
= argptr
;
5573 const argtype arg_type
[] = { MK_STRUCT(STRUCT_dm_target_versions
) };
5574 int vers_size
= thunk_type_size(arg_type
, 0);
5577 uint32_t next
= vers
->next
;
5579 vers
->next
= vers_size
+ (strlen(vers
->name
) + 1);
5581 if (remaining_data
< vers
->next
) {
5582 host_dm
->flags
|= DM_BUFFER_FULL_FLAG
;
5585 thunk_convert(cur_data
, vers
, arg_type
, THUNK_TARGET
);
5586 strcpy(cur_data
+ vers_size
, vers
->name
);
5587 cur_data
+= vers
->next
;
5588 remaining_data
-= vers
->next
;
5592 vers
= (void*)vers
+ next
;
5597 unlock_user(argptr
, guest_data
, 0);
5598 ret
= -TARGET_EINVAL
;
5601 unlock_user(argptr
, guest_data
, guest_data_size
);
5603 argptr
= lock_user(VERIFY_WRITE
, arg
, target_size
, 0);
5605 ret
= -TARGET_EFAULT
;
5608 thunk_convert(argptr
, buf_temp
, arg_type
, THUNK_TARGET
);
5609 unlock_user(argptr
, arg
, target_size
);
5616 static abi_long
do_ioctl_blkpg(const IOCTLEntry
*ie
, uint8_t *buf_temp
, int fd
,
5617 int cmd
, abi_long arg
)
5621 const argtype
*arg_type
= ie
->arg_type
;
5622 const argtype part_arg_type
[] = { MK_STRUCT(STRUCT_blkpg_partition
) };
5625 struct blkpg_ioctl_arg
*host_blkpg
= (void*)buf_temp
;
5626 struct blkpg_partition host_part
;
5628 /* Read and convert blkpg */
5630 target_size
= thunk_type_size(arg_type
, 0);
5631 argptr
= lock_user(VERIFY_READ
, arg
, target_size
, 1);
5633 ret
= -TARGET_EFAULT
;
5636 thunk_convert(buf_temp
, argptr
, arg_type
, THUNK_HOST
);
5637 unlock_user(argptr
, arg
, 0);
5639 switch (host_blkpg
->op
) {
5640 case BLKPG_ADD_PARTITION
:
5641 case BLKPG_DEL_PARTITION
:
5642 /* payload is struct blkpg_partition */
5645 /* Unknown opcode */
5646 ret
= -TARGET_EINVAL
;
5650 /* Read and convert blkpg->data */
5651 arg
= (abi_long
)(uintptr_t)host_blkpg
->data
;
5652 target_size
= thunk_type_size(part_arg_type
, 0);
5653 argptr
= lock_user(VERIFY_READ
, arg
, target_size
, 1);
5655 ret
= -TARGET_EFAULT
;
5658 thunk_convert(&host_part
, argptr
, part_arg_type
, THUNK_HOST
);
5659 unlock_user(argptr
, arg
, 0);
5661 /* Swizzle the data pointer to our local copy and call! */
5662 host_blkpg
->data
= &host_part
;
5663 ret
= get_errno(safe_ioctl(fd
, ie
->host_cmd
, host_blkpg
));
5669 static abi_long
do_ioctl_rt(const IOCTLEntry
*ie
, uint8_t *buf_temp
,
5670 int fd
, int cmd
, abi_long arg
)
5672 const argtype
*arg_type
= ie
->arg_type
;
5673 const StructEntry
*se
;
5674 const argtype
*field_types
;
5675 const int *dst_offsets
, *src_offsets
;
5678 abi_ulong
*target_rt_dev_ptr
;
5679 unsigned long *host_rt_dev_ptr
;
5683 assert(ie
->access
== IOC_W
);
5684 assert(*arg_type
== TYPE_PTR
);
5686 assert(*arg_type
== TYPE_STRUCT
);
5687 target_size
= thunk_type_size(arg_type
, 0);
5688 argptr
= lock_user(VERIFY_READ
, arg
, target_size
, 1);
5690 return -TARGET_EFAULT
;
5693 assert(*arg_type
== (int)STRUCT_rtentry
);
5694 se
= struct_entries
+ *arg_type
++;
5695 assert(se
->convert
[0] == NULL
);
5696 /* convert struct here to be able to catch rt_dev string */
5697 field_types
= se
->field_types
;
5698 dst_offsets
= se
->field_offsets
[THUNK_HOST
];
5699 src_offsets
= se
->field_offsets
[THUNK_TARGET
];
5700 for (i
= 0; i
< se
->nb_fields
; i
++) {
5701 if (dst_offsets
[i
] == offsetof(struct rtentry
, rt_dev
)) {
5702 assert(*field_types
== TYPE_PTRVOID
);
5703 target_rt_dev_ptr
= (abi_ulong
*)(argptr
+ src_offsets
[i
]);
5704 host_rt_dev_ptr
= (unsigned long *)(buf_temp
+ dst_offsets
[i
]);
5705 if (*target_rt_dev_ptr
!= 0) {
5706 *host_rt_dev_ptr
= (unsigned long)lock_user_string(
5707 tswapal(*target_rt_dev_ptr
));
5708 if (!*host_rt_dev_ptr
) {
5709 unlock_user(argptr
, arg
, 0);
5710 return -TARGET_EFAULT
;
5713 *host_rt_dev_ptr
= 0;
5718 field_types
= thunk_convert(buf_temp
+ dst_offsets
[i
],
5719 argptr
+ src_offsets
[i
],
5720 field_types
, THUNK_HOST
);
5722 unlock_user(argptr
, arg
, 0);
5724 ret
= get_errno(safe_ioctl(fd
, ie
->host_cmd
, buf_temp
));
5725 if (*host_rt_dev_ptr
!= 0) {
5726 unlock_user((void *)*host_rt_dev_ptr
,
5727 *target_rt_dev_ptr
, 0);
5732 static abi_long
do_ioctl_kdsigaccept(const IOCTLEntry
*ie
, uint8_t *buf_temp
,
5733 int fd
, int cmd
, abi_long arg
)
5735 int sig
= target_to_host_signal(arg
);
5736 return get_errno(safe_ioctl(fd
, ie
->host_cmd
, sig
));
5740 static abi_long
do_ioctl_tiocgptpeer(const IOCTLEntry
*ie
, uint8_t *buf_temp
,
5741 int fd
, int cmd
, abi_long arg
)
5743 int flags
= target_to_host_bitmask(arg
, fcntl_flags_tbl
);
5744 return get_errno(safe_ioctl(fd
, ie
->host_cmd
, flags
));
5748 static IOCTLEntry ioctl_entries
[] = {
5749 #define IOCTL(cmd, access, ...) \
5750 { TARGET_ ## cmd, cmd, #cmd, access, 0, { __VA_ARGS__ } },
5751 #define IOCTL_SPECIAL(cmd, access, dofn, ...) \
5752 { TARGET_ ## cmd, cmd, #cmd, access, dofn, { __VA_ARGS__ } },
5753 #define IOCTL_IGNORE(cmd) \
5754 { TARGET_ ## cmd, 0, #cmd },
5759 /* ??? Implement proper locking for ioctls. */
5760 /* do_ioctl() Must return target values and target errnos. */
5761 static abi_long
do_ioctl(int fd
, int cmd
, abi_long arg
)
5763 const IOCTLEntry
*ie
;
5764 const argtype
*arg_type
;
5766 uint8_t buf_temp
[MAX_STRUCT_SIZE
];
5772 if (ie
->target_cmd
== 0) {
5773 gemu_log("Unsupported ioctl: cmd=0x%04lx\n", (long)cmd
);
5774 return -TARGET_ENOSYS
;
5776 if (ie
->target_cmd
== cmd
)
5780 arg_type
= ie
->arg_type
;
5782 gemu_log("ioctl: cmd=0x%04lx (%s)\n", (long)cmd
, ie
->name
);
5785 return ie
->do_ioctl(ie
, buf_temp
, fd
, cmd
, arg
);
5786 } else if (!ie
->host_cmd
) {
5787 /* Some architectures define BSD ioctls in their headers
5788 that are not implemented in Linux. */
5789 return -TARGET_ENOSYS
;
5792 switch(arg_type
[0]) {
5795 ret
= get_errno(safe_ioctl(fd
, ie
->host_cmd
));
5799 ret
= get_errno(safe_ioctl(fd
, ie
->host_cmd
, arg
));
5803 target_size
= thunk_type_size(arg_type
, 0);
5804 switch(ie
->access
) {
5806 ret
= get_errno(safe_ioctl(fd
, ie
->host_cmd
, buf_temp
));
5807 if (!is_error(ret
)) {
5808 argptr
= lock_user(VERIFY_WRITE
, arg
, target_size
, 0);
5810 return -TARGET_EFAULT
;
5811 thunk_convert(argptr
, buf_temp
, arg_type
, THUNK_TARGET
);
5812 unlock_user(argptr
, arg
, target_size
);
5816 argptr
= lock_user(VERIFY_READ
, arg
, target_size
, 1);
5818 return -TARGET_EFAULT
;
5819 thunk_convert(buf_temp
, argptr
, arg_type
, THUNK_HOST
);
5820 unlock_user(argptr
, arg
, 0);
5821 ret
= get_errno(safe_ioctl(fd
, ie
->host_cmd
, buf_temp
));
5825 argptr
= lock_user(VERIFY_READ
, arg
, target_size
, 1);
5827 return -TARGET_EFAULT
;
5828 thunk_convert(buf_temp
, argptr
, arg_type
, THUNK_HOST
);
5829 unlock_user(argptr
, arg
, 0);
5830 ret
= get_errno(safe_ioctl(fd
, ie
->host_cmd
, buf_temp
));
5831 if (!is_error(ret
)) {
5832 argptr
= lock_user(VERIFY_WRITE
, arg
, target_size
, 0);
5834 return -TARGET_EFAULT
;
5835 thunk_convert(argptr
, buf_temp
, arg_type
, THUNK_TARGET
);
5836 unlock_user(argptr
, arg
, target_size
);
5842 gemu_log("Unsupported ioctl type: cmd=0x%04lx type=%d\n",
5843 (long)cmd
, arg_type
[0]);
5844 ret
= -TARGET_ENOSYS
;
5850 static const bitmask_transtbl iflag_tbl
[] = {
5851 { TARGET_IGNBRK
, TARGET_IGNBRK
, IGNBRK
, IGNBRK
},
5852 { TARGET_BRKINT
, TARGET_BRKINT
, BRKINT
, BRKINT
},
5853 { TARGET_IGNPAR
, TARGET_IGNPAR
, IGNPAR
, IGNPAR
},
5854 { TARGET_PARMRK
, TARGET_PARMRK
, PARMRK
, PARMRK
},
5855 { TARGET_INPCK
, TARGET_INPCK
, INPCK
, INPCK
},
5856 { TARGET_ISTRIP
, TARGET_ISTRIP
, ISTRIP
, ISTRIP
},
5857 { TARGET_INLCR
, TARGET_INLCR
, INLCR
, INLCR
},
5858 { TARGET_IGNCR
, TARGET_IGNCR
, IGNCR
, IGNCR
},
5859 { TARGET_ICRNL
, TARGET_ICRNL
, ICRNL
, ICRNL
},
5860 { TARGET_IUCLC
, TARGET_IUCLC
, IUCLC
, IUCLC
},
5861 { TARGET_IXON
, TARGET_IXON
, IXON
, IXON
},
5862 { TARGET_IXANY
, TARGET_IXANY
, IXANY
, IXANY
},
5863 { TARGET_IXOFF
, TARGET_IXOFF
, IXOFF
, IXOFF
},
5864 { TARGET_IMAXBEL
, TARGET_IMAXBEL
, IMAXBEL
, IMAXBEL
},
5868 static const bitmask_transtbl oflag_tbl
[] = {
5869 { TARGET_OPOST
, TARGET_OPOST
, OPOST
, OPOST
},
5870 { TARGET_OLCUC
, TARGET_OLCUC
, OLCUC
, OLCUC
},
5871 { TARGET_ONLCR
, TARGET_ONLCR
, ONLCR
, ONLCR
},
5872 { TARGET_OCRNL
, TARGET_OCRNL
, OCRNL
, OCRNL
},
5873 { TARGET_ONOCR
, TARGET_ONOCR
, ONOCR
, ONOCR
},
5874 { TARGET_ONLRET
, TARGET_ONLRET
, ONLRET
, ONLRET
},
5875 { TARGET_OFILL
, TARGET_OFILL
, OFILL
, OFILL
},
5876 { TARGET_OFDEL
, TARGET_OFDEL
, OFDEL
, OFDEL
},
5877 { TARGET_NLDLY
, TARGET_NL0
, NLDLY
, NL0
},
5878 { TARGET_NLDLY
, TARGET_NL1
, NLDLY
, NL1
},
5879 { TARGET_CRDLY
, TARGET_CR0
, CRDLY
, CR0
},
5880 { TARGET_CRDLY
, TARGET_CR1
, CRDLY
, CR1
},
5881 { TARGET_CRDLY
, TARGET_CR2
, CRDLY
, CR2
},
5882 { TARGET_CRDLY
, TARGET_CR3
, CRDLY
, CR3
},
5883 { TARGET_TABDLY
, TARGET_TAB0
, TABDLY
, TAB0
},
5884 { TARGET_TABDLY
, TARGET_TAB1
, TABDLY
, TAB1
},
5885 { TARGET_TABDLY
, TARGET_TAB2
, TABDLY
, TAB2
},
5886 { TARGET_TABDLY
, TARGET_TAB3
, TABDLY
, TAB3
},
5887 { TARGET_BSDLY
, TARGET_BS0
, BSDLY
, BS0
},
5888 { TARGET_BSDLY
, TARGET_BS1
, BSDLY
, BS1
},
5889 { TARGET_VTDLY
, TARGET_VT0
, VTDLY
, VT0
},
5890 { TARGET_VTDLY
, TARGET_VT1
, VTDLY
, VT1
},
5891 { TARGET_FFDLY
, TARGET_FF0
, FFDLY
, FF0
},
5892 { TARGET_FFDLY
, TARGET_FF1
, FFDLY
, FF1
},
5896 static const bitmask_transtbl cflag_tbl
[] = {
5897 { TARGET_CBAUD
, TARGET_B0
, CBAUD
, B0
},
5898 { TARGET_CBAUD
, TARGET_B50
, CBAUD
, B50
},
5899 { TARGET_CBAUD
, TARGET_B75
, CBAUD
, B75
},
5900 { TARGET_CBAUD
, TARGET_B110
, CBAUD
, B110
},
5901 { TARGET_CBAUD
, TARGET_B134
, CBAUD
, B134
},
5902 { TARGET_CBAUD
, TARGET_B150
, CBAUD
, B150
},
5903 { TARGET_CBAUD
, TARGET_B200
, CBAUD
, B200
},
5904 { TARGET_CBAUD
, TARGET_B300
, CBAUD
, B300
},
5905 { TARGET_CBAUD
, TARGET_B600
, CBAUD
, B600
},
5906 { TARGET_CBAUD
, TARGET_B1200
, CBAUD
, B1200
},
5907 { TARGET_CBAUD
, TARGET_B1800
, CBAUD
, B1800
},
5908 { TARGET_CBAUD
, TARGET_B2400
, CBAUD
, B2400
},
5909 { TARGET_CBAUD
, TARGET_B4800
, CBAUD
, B4800
},
5910 { TARGET_CBAUD
, TARGET_B9600
, CBAUD
, B9600
},
5911 { TARGET_CBAUD
, TARGET_B19200
, CBAUD
, B19200
},
5912 { TARGET_CBAUD
, TARGET_B38400
, CBAUD
, B38400
},
5913 { TARGET_CBAUD
, TARGET_B57600
, CBAUD
, B57600
},
5914 { TARGET_CBAUD
, TARGET_B115200
, CBAUD
, B115200
},
5915 { TARGET_CBAUD
, TARGET_B230400
, CBAUD
, B230400
},
5916 { TARGET_CBAUD
, TARGET_B460800
, CBAUD
, B460800
},
5917 { TARGET_CSIZE
, TARGET_CS5
, CSIZE
, CS5
},
5918 { TARGET_CSIZE
, TARGET_CS6
, CSIZE
, CS6
},
5919 { TARGET_CSIZE
, TARGET_CS7
, CSIZE
, CS7
},
5920 { TARGET_CSIZE
, TARGET_CS8
, CSIZE
, CS8
},
5921 { TARGET_CSTOPB
, TARGET_CSTOPB
, CSTOPB
, CSTOPB
},
5922 { TARGET_CREAD
, TARGET_CREAD
, CREAD
, CREAD
},
5923 { TARGET_PARENB
, TARGET_PARENB
, PARENB
, PARENB
},
5924 { TARGET_PARODD
, TARGET_PARODD
, PARODD
, PARODD
},
5925 { TARGET_HUPCL
, TARGET_HUPCL
, HUPCL
, HUPCL
},
5926 { TARGET_CLOCAL
, TARGET_CLOCAL
, CLOCAL
, CLOCAL
},
5927 { TARGET_CRTSCTS
, TARGET_CRTSCTS
, CRTSCTS
, CRTSCTS
},
5931 static const bitmask_transtbl lflag_tbl
[] = {
5932 { TARGET_ISIG
, TARGET_ISIG
, ISIG
, ISIG
},
5933 { TARGET_ICANON
, TARGET_ICANON
, ICANON
, ICANON
},
5934 { TARGET_XCASE
, TARGET_XCASE
, XCASE
, XCASE
},
5935 { TARGET_ECHO
, TARGET_ECHO
, ECHO
, ECHO
},
5936 { TARGET_ECHOE
, TARGET_ECHOE
, ECHOE
, ECHOE
},
5937 { TARGET_ECHOK
, TARGET_ECHOK
, ECHOK
, ECHOK
},
5938 { TARGET_ECHONL
, TARGET_ECHONL
, ECHONL
, ECHONL
},
5939 { TARGET_NOFLSH
, TARGET_NOFLSH
, NOFLSH
, NOFLSH
},
5940 { TARGET_TOSTOP
, TARGET_TOSTOP
, TOSTOP
, TOSTOP
},
5941 { TARGET_ECHOCTL
, TARGET_ECHOCTL
, ECHOCTL
, ECHOCTL
},
5942 { TARGET_ECHOPRT
, TARGET_ECHOPRT
, ECHOPRT
, ECHOPRT
},
5943 { TARGET_ECHOKE
, TARGET_ECHOKE
, ECHOKE
, ECHOKE
},
5944 { TARGET_FLUSHO
, TARGET_FLUSHO
, FLUSHO
, FLUSHO
},
5945 { TARGET_PENDIN
, TARGET_PENDIN
, PENDIN
, PENDIN
},
5946 { TARGET_IEXTEN
, TARGET_IEXTEN
, IEXTEN
, IEXTEN
},
5950 static void target_to_host_termios (void *dst
, const void *src
)
5952 struct host_termios
*host
= dst
;
5953 const struct target_termios
*target
= src
;
5956 target_to_host_bitmask(tswap32(target
->c_iflag
), iflag_tbl
);
5958 target_to_host_bitmask(tswap32(target
->c_oflag
), oflag_tbl
);
5960 target_to_host_bitmask(tswap32(target
->c_cflag
), cflag_tbl
);
5962 target_to_host_bitmask(tswap32(target
->c_lflag
), lflag_tbl
);
5963 host
->c_line
= target
->c_line
;
5965 memset(host
->c_cc
, 0, sizeof(host
->c_cc
));
5966 host
->c_cc
[VINTR
] = target
->c_cc
[TARGET_VINTR
];
5967 host
->c_cc
[VQUIT
] = target
->c_cc
[TARGET_VQUIT
];
5968 host
->c_cc
[VERASE
] = target
->c_cc
[TARGET_VERASE
];
5969 host
->c_cc
[VKILL
] = target
->c_cc
[TARGET_VKILL
];
5970 host
->c_cc
[VEOF
] = target
->c_cc
[TARGET_VEOF
];
5971 host
->c_cc
[VTIME
] = target
->c_cc
[TARGET_VTIME
];
5972 host
->c_cc
[VMIN
] = target
->c_cc
[TARGET_VMIN
];
5973 host
->c_cc
[VSWTC
] = target
->c_cc
[TARGET_VSWTC
];
5974 host
->c_cc
[VSTART
] = target
->c_cc
[TARGET_VSTART
];
5975 host
->c_cc
[VSTOP
] = target
->c_cc
[TARGET_VSTOP
];
5976 host
->c_cc
[VSUSP
] = target
->c_cc
[TARGET_VSUSP
];
5977 host
->c_cc
[VEOL
] = target
->c_cc
[TARGET_VEOL
];
5978 host
->c_cc
[VREPRINT
] = target
->c_cc
[TARGET_VREPRINT
];
5979 host
->c_cc
[VDISCARD
] = target
->c_cc
[TARGET_VDISCARD
];
5980 host
->c_cc
[VWERASE
] = target
->c_cc
[TARGET_VWERASE
];
5981 host
->c_cc
[VLNEXT
] = target
->c_cc
[TARGET_VLNEXT
];
5982 host
->c_cc
[VEOL2
] = target
->c_cc
[TARGET_VEOL2
];
5985 static void host_to_target_termios (void *dst
, const void *src
)
5987 struct target_termios
*target
= dst
;
5988 const struct host_termios
*host
= src
;
5991 tswap32(host_to_target_bitmask(host
->c_iflag
, iflag_tbl
));
5993 tswap32(host_to_target_bitmask(host
->c_oflag
, oflag_tbl
));
5995 tswap32(host_to_target_bitmask(host
->c_cflag
, cflag_tbl
));
5997 tswap32(host_to_target_bitmask(host
->c_lflag
, lflag_tbl
));
5998 target
->c_line
= host
->c_line
;
6000 memset(target
->c_cc
, 0, sizeof(target
->c_cc
));
6001 target
->c_cc
[TARGET_VINTR
] = host
->c_cc
[VINTR
];
6002 target
->c_cc
[TARGET_VQUIT
] = host
->c_cc
[VQUIT
];
6003 target
->c_cc
[TARGET_VERASE
] = host
->c_cc
[VERASE
];
6004 target
->c_cc
[TARGET_VKILL
] = host
->c_cc
[VKILL
];
6005 target
->c_cc
[TARGET_VEOF
] = host
->c_cc
[VEOF
];
6006 target
->c_cc
[TARGET_VTIME
] = host
->c_cc
[VTIME
];
6007 target
->c_cc
[TARGET_VMIN
] = host
->c_cc
[VMIN
];
6008 target
->c_cc
[TARGET_VSWTC
] = host
->c_cc
[VSWTC
];
6009 target
->c_cc
[TARGET_VSTART
] = host
->c_cc
[VSTART
];
6010 target
->c_cc
[TARGET_VSTOP
] = host
->c_cc
[VSTOP
];
6011 target
->c_cc
[TARGET_VSUSP
] = host
->c_cc
[VSUSP
];
6012 target
->c_cc
[TARGET_VEOL
] = host
->c_cc
[VEOL
];
6013 target
->c_cc
[TARGET_VREPRINT
] = host
->c_cc
[VREPRINT
];
6014 target
->c_cc
[TARGET_VDISCARD
] = host
->c_cc
[VDISCARD
];
6015 target
->c_cc
[TARGET_VWERASE
] = host
->c_cc
[VWERASE
];
6016 target
->c_cc
[TARGET_VLNEXT
] = host
->c_cc
[VLNEXT
];
6017 target
->c_cc
[TARGET_VEOL2
] = host
->c_cc
[VEOL2
];
6020 static const StructEntry struct_termios_def
= {
6021 .convert
= { host_to_target_termios
, target_to_host_termios
},
6022 .size
= { sizeof(struct target_termios
), sizeof(struct host_termios
) },
6023 .align
= { __alignof__(struct target_termios
), __alignof__(struct host_termios
) },
6026 static bitmask_transtbl mmap_flags_tbl
[] = {
6027 { TARGET_MAP_SHARED
, TARGET_MAP_SHARED
, MAP_SHARED
, MAP_SHARED
},
6028 { TARGET_MAP_PRIVATE
, TARGET_MAP_PRIVATE
, MAP_PRIVATE
, MAP_PRIVATE
},
6029 { TARGET_MAP_FIXED
, TARGET_MAP_FIXED
, MAP_FIXED
, MAP_FIXED
},
6030 { TARGET_MAP_ANONYMOUS
, TARGET_MAP_ANONYMOUS
,
6031 MAP_ANONYMOUS
, MAP_ANONYMOUS
},
6032 { TARGET_MAP_GROWSDOWN
, TARGET_MAP_GROWSDOWN
,
6033 MAP_GROWSDOWN
, MAP_GROWSDOWN
},
6034 { TARGET_MAP_DENYWRITE
, TARGET_MAP_DENYWRITE
,
6035 MAP_DENYWRITE
, MAP_DENYWRITE
},
6036 { TARGET_MAP_EXECUTABLE
, TARGET_MAP_EXECUTABLE
,
6037 MAP_EXECUTABLE
, MAP_EXECUTABLE
},
6038 { TARGET_MAP_LOCKED
, TARGET_MAP_LOCKED
, MAP_LOCKED
, MAP_LOCKED
},
6039 { TARGET_MAP_NORESERVE
, TARGET_MAP_NORESERVE
,
6040 MAP_NORESERVE
, MAP_NORESERVE
},
6041 { TARGET_MAP_HUGETLB
, TARGET_MAP_HUGETLB
, MAP_HUGETLB
, MAP_HUGETLB
},
6042 /* MAP_STACK had been ignored by the kernel for quite some time.
6043 Recognize it for the target insofar as we do not want to pass
6044 it through to the host. */
6045 { TARGET_MAP_STACK
, TARGET_MAP_STACK
, 0, 0 },
6049 #if defined(TARGET_I386)
6051 /* NOTE: there is really one LDT for all the threads */
6052 static uint8_t *ldt_table
;
6054 static abi_long
read_ldt(abi_ulong ptr
, unsigned long bytecount
)
6061 size
= TARGET_LDT_ENTRIES
* TARGET_LDT_ENTRY_SIZE
;
6062 if (size
> bytecount
)
6064 p
= lock_user(VERIFY_WRITE
, ptr
, size
, 0);
6066 return -TARGET_EFAULT
;
6067 /* ??? Should this by byteswapped? */
6068 memcpy(p
, ldt_table
, size
);
6069 unlock_user(p
, ptr
, size
);
6073 /* XXX: add locking support */
6074 static abi_long
write_ldt(CPUX86State
*env
,
6075 abi_ulong ptr
, unsigned long bytecount
, int oldmode
)
6077 struct target_modify_ldt_ldt_s ldt_info
;
6078 struct target_modify_ldt_ldt_s
*target_ldt_info
;
6079 int seg_32bit
, contents
, read_exec_only
, limit_in_pages
;
6080 int seg_not_present
, useable
, lm
;
6081 uint32_t *lp
, entry_1
, entry_2
;
6083 if (bytecount
!= sizeof(ldt_info
))
6084 return -TARGET_EINVAL
;
6085 if (!lock_user_struct(VERIFY_READ
, target_ldt_info
, ptr
, 1))
6086 return -TARGET_EFAULT
;
6087 ldt_info
.entry_number
= tswap32(target_ldt_info
->entry_number
);
6088 ldt_info
.base_addr
= tswapal(target_ldt_info
->base_addr
);
6089 ldt_info
.limit
= tswap32(target_ldt_info
->limit
);
6090 ldt_info
.flags
= tswap32(target_ldt_info
->flags
);
6091 unlock_user_struct(target_ldt_info
, ptr
, 0);
6093 if (ldt_info
.entry_number
>= TARGET_LDT_ENTRIES
)
6094 return -TARGET_EINVAL
;
6095 seg_32bit
= ldt_info
.flags
& 1;
6096 contents
= (ldt_info
.flags
>> 1) & 3;
6097 read_exec_only
= (ldt_info
.flags
>> 3) & 1;
6098 limit_in_pages
= (ldt_info
.flags
>> 4) & 1;
6099 seg_not_present
= (ldt_info
.flags
>> 5) & 1;
6100 useable
= (ldt_info
.flags
>> 6) & 1;
6104 lm
= (ldt_info
.flags
>> 7) & 1;
6106 if (contents
== 3) {
6108 return -TARGET_EINVAL
;
6109 if (seg_not_present
== 0)
6110 return -TARGET_EINVAL
;
6112 /* allocate the LDT */
6114 env
->ldt
.base
= target_mmap(0,
6115 TARGET_LDT_ENTRIES
* TARGET_LDT_ENTRY_SIZE
,
6116 PROT_READ
|PROT_WRITE
,
6117 MAP_ANONYMOUS
|MAP_PRIVATE
, -1, 0);
6118 if (env
->ldt
.base
== -1)
6119 return -TARGET_ENOMEM
;
6120 memset(g2h(env
->ldt
.base
), 0,
6121 TARGET_LDT_ENTRIES
* TARGET_LDT_ENTRY_SIZE
);
6122 env
->ldt
.limit
= 0xffff;
6123 ldt_table
= g2h(env
->ldt
.base
);
6126 /* NOTE: same code as Linux kernel */
6127 /* Allow LDTs to be cleared by the user. */
6128 if (ldt_info
.base_addr
== 0 && ldt_info
.limit
== 0) {
6131 read_exec_only
== 1 &&
6133 limit_in_pages
== 0 &&
6134 seg_not_present
== 1 &&
6142 entry_1
= ((ldt_info
.base_addr
& 0x0000ffff) << 16) |
6143 (ldt_info
.limit
& 0x0ffff);
6144 entry_2
= (ldt_info
.base_addr
& 0xff000000) |
6145 ((ldt_info
.base_addr
& 0x00ff0000) >> 16) |
6146 (ldt_info
.limit
& 0xf0000) |
6147 ((read_exec_only
^ 1) << 9) |
6149 ((seg_not_present
^ 1) << 15) |
6151 (limit_in_pages
<< 23) |
6155 entry_2
|= (useable
<< 20);
6157 /* Install the new entry ... */
6159 lp
= (uint32_t *)(ldt_table
+ (ldt_info
.entry_number
<< 3));
6160 lp
[0] = tswap32(entry_1
);
6161 lp
[1] = tswap32(entry_2
);
6165 /* specific and weird i386 syscalls */
6166 static abi_long
do_modify_ldt(CPUX86State
*env
, int func
, abi_ulong ptr
,
6167 unsigned long bytecount
)
6173 ret
= read_ldt(ptr
, bytecount
);
6176 ret
= write_ldt(env
, ptr
, bytecount
, 1);
6179 ret
= write_ldt(env
, ptr
, bytecount
, 0);
6182 ret
= -TARGET_ENOSYS
;
6188 #if defined(TARGET_I386) && defined(TARGET_ABI32)
6189 abi_long
do_set_thread_area(CPUX86State
*env
, abi_ulong ptr
)
6191 uint64_t *gdt_table
= g2h(env
->gdt
.base
);
6192 struct target_modify_ldt_ldt_s ldt_info
;
6193 struct target_modify_ldt_ldt_s
*target_ldt_info
;
6194 int seg_32bit
, contents
, read_exec_only
, limit_in_pages
;
6195 int seg_not_present
, useable
, lm
;
6196 uint32_t *lp
, entry_1
, entry_2
;
6199 lock_user_struct(VERIFY_WRITE
, target_ldt_info
, ptr
, 1);
6200 if (!target_ldt_info
)
6201 return -TARGET_EFAULT
;
6202 ldt_info
.entry_number
= tswap32(target_ldt_info
->entry_number
);
6203 ldt_info
.base_addr
= tswapal(target_ldt_info
->base_addr
);
6204 ldt_info
.limit
= tswap32(target_ldt_info
->limit
);
6205 ldt_info
.flags
= tswap32(target_ldt_info
->flags
);
6206 if (ldt_info
.entry_number
== -1) {
6207 for (i
=TARGET_GDT_ENTRY_TLS_MIN
; i
<=TARGET_GDT_ENTRY_TLS_MAX
; i
++) {
6208 if (gdt_table
[i
] == 0) {
6209 ldt_info
.entry_number
= i
;
6210 target_ldt_info
->entry_number
= tswap32(i
);
6215 unlock_user_struct(target_ldt_info
, ptr
, 1);
6217 if (ldt_info
.entry_number
< TARGET_GDT_ENTRY_TLS_MIN
||
6218 ldt_info
.entry_number
> TARGET_GDT_ENTRY_TLS_MAX
)
6219 return -TARGET_EINVAL
;
6220 seg_32bit
= ldt_info
.flags
& 1;
6221 contents
= (ldt_info
.flags
>> 1) & 3;
6222 read_exec_only
= (ldt_info
.flags
>> 3) & 1;
6223 limit_in_pages
= (ldt_info
.flags
>> 4) & 1;
6224 seg_not_present
= (ldt_info
.flags
>> 5) & 1;
6225 useable
= (ldt_info
.flags
>> 6) & 1;
6229 lm
= (ldt_info
.flags
>> 7) & 1;
6232 if (contents
== 3) {
6233 if (seg_not_present
== 0)
6234 return -TARGET_EINVAL
;
6237 /* NOTE: same code as Linux kernel */
6238 /* Allow LDTs to be cleared by the user. */
6239 if (ldt_info
.base_addr
== 0 && ldt_info
.limit
== 0) {
6240 if ((contents
== 0 &&
6241 read_exec_only
== 1 &&
6243 limit_in_pages
== 0 &&
6244 seg_not_present
== 1 &&
6252 entry_1
= ((ldt_info
.base_addr
& 0x0000ffff) << 16) |
6253 (ldt_info
.limit
& 0x0ffff);
6254 entry_2
= (ldt_info
.base_addr
& 0xff000000) |
6255 ((ldt_info
.base_addr
& 0x00ff0000) >> 16) |
6256 (ldt_info
.limit
& 0xf0000) |
6257 ((read_exec_only
^ 1) << 9) |
6259 ((seg_not_present
^ 1) << 15) |
6261 (limit_in_pages
<< 23) |
6266 /* Install the new entry ... */
6268 lp
= (uint32_t *)(gdt_table
+ ldt_info
.entry_number
);
6269 lp
[0] = tswap32(entry_1
);
6270 lp
[1] = tswap32(entry_2
);
6274 static abi_long
do_get_thread_area(CPUX86State
*env
, abi_ulong ptr
)
6276 struct target_modify_ldt_ldt_s
*target_ldt_info
;
6277 uint64_t *gdt_table
= g2h(env
->gdt
.base
);
6278 uint32_t base_addr
, limit
, flags
;
6279 int seg_32bit
, contents
, read_exec_only
, limit_in_pages
, idx
;
6280 int seg_not_present
, useable
, lm
;
6281 uint32_t *lp
, entry_1
, entry_2
;
6283 lock_user_struct(VERIFY_WRITE
, target_ldt_info
, ptr
, 1);
6284 if (!target_ldt_info
)
6285 return -TARGET_EFAULT
;
6286 idx
= tswap32(target_ldt_info
->entry_number
);
6287 if (idx
< TARGET_GDT_ENTRY_TLS_MIN
||
6288 idx
> TARGET_GDT_ENTRY_TLS_MAX
) {
6289 unlock_user_struct(target_ldt_info
, ptr
, 1);
6290 return -TARGET_EINVAL
;
6292 lp
= (uint32_t *)(gdt_table
+ idx
);
6293 entry_1
= tswap32(lp
[0]);
6294 entry_2
= tswap32(lp
[1]);
6296 read_exec_only
= ((entry_2
>> 9) & 1) ^ 1;
6297 contents
= (entry_2
>> 10) & 3;
6298 seg_not_present
= ((entry_2
>> 15) & 1) ^ 1;
6299 seg_32bit
= (entry_2
>> 22) & 1;
6300 limit_in_pages
= (entry_2
>> 23) & 1;
6301 useable
= (entry_2
>> 20) & 1;
6305 lm
= (entry_2
>> 21) & 1;
6307 flags
= (seg_32bit
<< 0) | (contents
<< 1) |
6308 (read_exec_only
<< 3) | (limit_in_pages
<< 4) |
6309 (seg_not_present
<< 5) | (useable
<< 6) | (lm
<< 7);
6310 limit
= (entry_1
& 0xffff) | (entry_2
& 0xf0000);
6311 base_addr
= (entry_1
>> 16) |
6312 (entry_2
& 0xff000000) |
6313 ((entry_2
& 0xff) << 16);
6314 target_ldt_info
->base_addr
= tswapal(base_addr
);
6315 target_ldt_info
->limit
= tswap32(limit
);
6316 target_ldt_info
->flags
= tswap32(flags
);
6317 unlock_user_struct(target_ldt_info
, ptr
, 1);
6320 #endif /* TARGET_I386 && TARGET_ABI32 */
6322 #ifndef TARGET_ABI32
6323 abi_long
do_arch_prctl(CPUX86State
*env
, int code
, abi_ulong addr
)
6330 case TARGET_ARCH_SET_GS
:
6331 case TARGET_ARCH_SET_FS
:
6332 if (code
== TARGET_ARCH_SET_GS
)
6336 cpu_x86_load_seg(env
, idx
, 0);
6337 env
->segs
[idx
].base
= addr
;
6339 case TARGET_ARCH_GET_GS
:
6340 case TARGET_ARCH_GET_FS
:
6341 if (code
== TARGET_ARCH_GET_GS
)
6345 val
= env
->segs
[idx
].base
;
6346 if (put_user(val
, addr
, abi_ulong
))
6347 ret
= -TARGET_EFAULT
;
6350 ret
= -TARGET_EINVAL
;
6357 #endif /* defined(TARGET_I386) */
6359 #define NEW_STACK_SIZE 0x40000
6362 static pthread_mutex_t clone_lock
= PTHREAD_MUTEX_INITIALIZER
;
6365 pthread_mutex_t mutex
;
6366 pthread_cond_t cond
;
6369 abi_ulong child_tidptr
;
6370 abi_ulong parent_tidptr
;
6374 static void *clone_func(void *arg
)
6376 new_thread_info
*info
= arg
;
6381 rcu_register_thread();
6382 tcg_register_thread();
6384 cpu
= ENV_GET_CPU(env
);
6386 ts
= (TaskState
*)cpu
->opaque
;
6387 info
->tid
= gettid();
6389 if (info
->child_tidptr
)
6390 put_user_u32(info
->tid
, info
->child_tidptr
);
6391 if (info
->parent_tidptr
)
6392 put_user_u32(info
->tid
, info
->parent_tidptr
);
6393 /* Enable signals. */
6394 sigprocmask(SIG_SETMASK
, &info
->sigmask
, NULL
);
6395 /* Signal to the parent that we're ready. */
6396 pthread_mutex_lock(&info
->mutex
);
6397 pthread_cond_broadcast(&info
->cond
);
6398 pthread_mutex_unlock(&info
->mutex
);
6399 /* Wait until the parent has finished initializing the tls state. */
6400 pthread_mutex_lock(&clone_lock
);
6401 pthread_mutex_unlock(&clone_lock
);
6407 /* do_fork() Must return host values and target errnos (unlike most
6408 do_*() functions). */
6409 static int do_fork(CPUArchState
*env
, unsigned int flags
, abi_ulong newsp
,
6410 abi_ulong parent_tidptr
, target_ulong newtls
,
6411 abi_ulong child_tidptr
)
6413 CPUState
*cpu
= ENV_GET_CPU(env
);
6417 CPUArchState
*new_env
;
6420 flags
&= ~CLONE_IGNORED_FLAGS
;
6422 /* Emulate vfork() with fork() */
6423 if (flags
& CLONE_VFORK
)
6424 flags
&= ~(CLONE_VFORK
| CLONE_VM
);
6426 if (flags
& CLONE_VM
) {
6427 TaskState
*parent_ts
= (TaskState
*)cpu
->opaque
;
6428 new_thread_info info
;
6429 pthread_attr_t attr
;
6431 if (((flags
& CLONE_THREAD_FLAGS
) != CLONE_THREAD_FLAGS
) ||
6432 (flags
& CLONE_INVALID_THREAD_FLAGS
)) {
6433 return -TARGET_EINVAL
;
6436 ts
= g_new0(TaskState
, 1);
6437 init_task_state(ts
);
6439 /* Grab a mutex so that thread setup appears atomic. */
6440 pthread_mutex_lock(&clone_lock
);
6442 /* we create a new CPU instance. */
6443 new_env
= cpu_copy(env
);
6444 /* Init regs that differ from the parent. */
6445 cpu_clone_regs(new_env
, newsp
);
6446 new_cpu
= ENV_GET_CPU(new_env
);
6447 new_cpu
->opaque
= ts
;
6448 ts
->bprm
= parent_ts
->bprm
;
6449 ts
->info
= parent_ts
->info
;
6450 ts
->signal_mask
= parent_ts
->signal_mask
;
6452 if (flags
& CLONE_CHILD_CLEARTID
) {
6453 ts
->child_tidptr
= child_tidptr
;
6456 if (flags
& CLONE_SETTLS
) {
6457 cpu_set_tls (new_env
, newtls
);
6460 memset(&info
, 0, sizeof(info
));
6461 pthread_mutex_init(&info
.mutex
, NULL
);
6462 pthread_mutex_lock(&info
.mutex
);
6463 pthread_cond_init(&info
.cond
, NULL
);
6465 if (flags
& CLONE_CHILD_SETTID
) {
6466 info
.child_tidptr
= child_tidptr
;
6468 if (flags
& CLONE_PARENT_SETTID
) {
6469 info
.parent_tidptr
= parent_tidptr
;
6472 ret
= pthread_attr_init(&attr
);
6473 ret
= pthread_attr_setstacksize(&attr
, NEW_STACK_SIZE
);
6474 ret
= pthread_attr_setdetachstate(&attr
, PTHREAD_CREATE_DETACHED
);
6475 /* It is not safe to deliver signals until the child has finished
6476 initializing, so temporarily block all signals. */
6477 sigfillset(&sigmask
);
6478 sigprocmask(SIG_BLOCK
, &sigmask
, &info
.sigmask
);
6480 /* If this is our first additional thread, we need to ensure we
6481 * generate code for parallel execution and flush old translations.
6483 if (!parallel_cpus
) {
6484 parallel_cpus
= true;
6488 ret
= pthread_create(&info
.thread
, &attr
, clone_func
, &info
);
6489 /* TODO: Free new CPU state if thread creation failed. */
6491 sigprocmask(SIG_SETMASK
, &info
.sigmask
, NULL
);
6492 pthread_attr_destroy(&attr
);
6494 /* Wait for the child to initialize. */
6495 pthread_cond_wait(&info
.cond
, &info
.mutex
);
6500 pthread_mutex_unlock(&info
.mutex
);
6501 pthread_cond_destroy(&info
.cond
);
6502 pthread_mutex_destroy(&info
.mutex
);
6503 pthread_mutex_unlock(&clone_lock
);
6505 /* if no CLONE_VM, we consider it is a fork */
6506 if (flags
& CLONE_INVALID_FORK_FLAGS
) {
6507 return -TARGET_EINVAL
;
6510 /* We can't support custom termination signals */
6511 if ((flags
& CSIGNAL
) != TARGET_SIGCHLD
) {
6512 return -TARGET_EINVAL
;
6515 if (block_signals()) {
6516 return -TARGET_ERESTARTSYS
;
6522 /* Child Process. */
6523 cpu_clone_regs(env
, newsp
);
6525 /* There is a race condition here. The parent process could
6526 theoretically read the TID in the child process before the child
6527 tid is set. This would require using either ptrace
6528 (not implemented) or having *_tidptr to point at a shared memory
6529 mapping. We can't repeat the spinlock hack used above because
6530 the child process gets its own copy of the lock. */
6531 if (flags
& CLONE_CHILD_SETTID
)
6532 put_user_u32(gettid(), child_tidptr
);
6533 if (flags
& CLONE_PARENT_SETTID
)
6534 put_user_u32(gettid(), parent_tidptr
);
6535 ts
= (TaskState
*)cpu
->opaque
;
6536 if (flags
& CLONE_SETTLS
)
6537 cpu_set_tls (env
, newtls
);
6538 if (flags
& CLONE_CHILD_CLEARTID
)
6539 ts
->child_tidptr
= child_tidptr
;
6547 /* warning : doesn't handle linux specific flags... */
6548 static int target_to_host_fcntl_cmd(int cmd
)
6553 case TARGET_F_DUPFD
:
6554 case TARGET_F_GETFD
:
6555 case TARGET_F_SETFD
:
6556 case TARGET_F_GETFL
:
6557 case TARGET_F_SETFL
:
6560 case TARGET_F_GETLK
:
6563 case TARGET_F_SETLK
:
6566 case TARGET_F_SETLKW
:
6569 case TARGET_F_GETOWN
:
6572 case TARGET_F_SETOWN
:
6575 case TARGET_F_GETSIG
:
6578 case TARGET_F_SETSIG
:
6581 #if TARGET_ABI_BITS == 32
6582 case TARGET_F_GETLK64
:
6585 case TARGET_F_SETLK64
:
6588 case TARGET_F_SETLKW64
:
6592 case TARGET_F_SETLEASE
:
6595 case TARGET_F_GETLEASE
:
6598 #ifdef F_DUPFD_CLOEXEC
6599 case TARGET_F_DUPFD_CLOEXEC
:
6600 ret
= F_DUPFD_CLOEXEC
;
6603 case TARGET_F_NOTIFY
:
6607 case TARGET_F_GETOWN_EX
:
6612 case TARGET_F_SETOWN_EX
:
6617 case TARGET_F_SETPIPE_SZ
:
6620 case TARGET_F_GETPIPE_SZ
:
6625 ret
= -TARGET_EINVAL
;
6629 #if defined(__powerpc64__)
6630 /* On PPC64, glibc headers has the F_*LK* defined to 12, 13 and 14 and
6631 * is not supported by kernel. The glibc fcntl call actually adjusts
6632 * them to 5, 6 and 7 before making the syscall(). Since we make the
6633 * syscall directly, adjust to what is supported by the kernel.
6635 if (ret
>= F_GETLK64
&& ret
<= F_SETLKW64
) {
6636 ret
-= F_GETLK64
- 5;
6643 #define FLOCK_TRANSTBL \
6645 TRANSTBL_CONVERT(F_RDLCK); \
6646 TRANSTBL_CONVERT(F_WRLCK); \
6647 TRANSTBL_CONVERT(F_UNLCK); \
6648 TRANSTBL_CONVERT(F_EXLCK); \
6649 TRANSTBL_CONVERT(F_SHLCK); \
6652 static int target_to_host_flock(int type
)
6654 #define TRANSTBL_CONVERT(a) case TARGET_##a: return a
6656 #undef TRANSTBL_CONVERT
6657 return -TARGET_EINVAL
;
6660 static int host_to_target_flock(int type
)
6662 #define TRANSTBL_CONVERT(a) case a: return TARGET_##a
6664 #undef TRANSTBL_CONVERT
6665 /* if we don't know how to convert the value coming
6666 * from the host we copy to the target field as-is
6671 static inline abi_long
copy_from_user_flock(struct flock64
*fl
,
6672 abi_ulong target_flock_addr
)
6674 struct target_flock
*target_fl
;
6677 if (!lock_user_struct(VERIFY_READ
, target_fl
, target_flock_addr
, 1)) {
6678 return -TARGET_EFAULT
;
6681 __get_user(l_type
, &target_fl
->l_type
);
6682 l_type
= target_to_host_flock(l_type
);
6686 fl
->l_type
= l_type
;
6687 __get_user(fl
->l_whence
, &target_fl
->l_whence
);
6688 __get_user(fl
->l_start
, &target_fl
->l_start
);
6689 __get_user(fl
->l_len
, &target_fl
->l_len
);
6690 __get_user(fl
->l_pid
, &target_fl
->l_pid
);
6691 unlock_user_struct(target_fl
, target_flock_addr
, 0);
6695 static inline abi_long
copy_to_user_flock(abi_ulong target_flock_addr
,
6696 const struct flock64
*fl
)
6698 struct target_flock
*target_fl
;
6701 if (!lock_user_struct(VERIFY_WRITE
, target_fl
, target_flock_addr
, 0)) {
6702 return -TARGET_EFAULT
;
6705 l_type
= host_to_target_flock(fl
->l_type
);
6706 __put_user(l_type
, &target_fl
->l_type
);
6707 __put_user(fl
->l_whence
, &target_fl
->l_whence
);
6708 __put_user(fl
->l_start
, &target_fl
->l_start
);
6709 __put_user(fl
->l_len
, &target_fl
->l_len
);
6710 __put_user(fl
->l_pid
, &target_fl
->l_pid
);
6711 unlock_user_struct(target_fl
, target_flock_addr
, 1);
6715 typedef abi_long
from_flock64_fn(struct flock64
*fl
, abi_ulong target_addr
);
6716 typedef abi_long
to_flock64_fn(abi_ulong target_addr
, const struct flock64
*fl
);
6718 #if defined(TARGET_ARM) && TARGET_ABI_BITS == 32
6719 static inline abi_long
copy_from_user_oabi_flock64(struct flock64
*fl
,
6720 abi_ulong target_flock_addr
)
6722 struct target_oabi_flock64
*target_fl
;
6725 if (!lock_user_struct(VERIFY_READ
, target_fl
, target_flock_addr
, 1)) {
6726 return -TARGET_EFAULT
;
6729 __get_user(l_type
, &target_fl
->l_type
);
6730 l_type
= target_to_host_flock(l_type
);
6734 fl
->l_type
= l_type
;
6735 __get_user(fl
->l_whence
, &target_fl
->l_whence
);
6736 __get_user(fl
->l_start
, &target_fl
->l_start
);
6737 __get_user(fl
->l_len
, &target_fl
->l_len
);
6738 __get_user(fl
->l_pid
, &target_fl
->l_pid
);
6739 unlock_user_struct(target_fl
, target_flock_addr
, 0);
6743 static inline abi_long
copy_to_user_oabi_flock64(abi_ulong target_flock_addr
,
6744 const struct flock64
*fl
)
6746 struct target_oabi_flock64
*target_fl
;
6749 if (!lock_user_struct(VERIFY_WRITE
, target_fl
, target_flock_addr
, 0)) {
6750 return -TARGET_EFAULT
;
6753 l_type
= host_to_target_flock(fl
->l_type
);
6754 __put_user(l_type
, &target_fl
->l_type
);
6755 __put_user(fl
->l_whence
, &target_fl
->l_whence
);
6756 __put_user(fl
->l_start
, &target_fl
->l_start
);
6757 __put_user(fl
->l_len
, &target_fl
->l_len
);
6758 __put_user(fl
->l_pid
, &target_fl
->l_pid
);
6759 unlock_user_struct(target_fl
, target_flock_addr
, 1);
6764 static inline abi_long
copy_from_user_flock64(struct flock64
*fl
,
6765 abi_ulong target_flock_addr
)
6767 struct target_flock64
*target_fl
;
6770 if (!lock_user_struct(VERIFY_READ
, target_fl
, target_flock_addr
, 1)) {
6771 return -TARGET_EFAULT
;
6774 __get_user(l_type
, &target_fl
->l_type
);
6775 l_type
= target_to_host_flock(l_type
);
6779 fl
->l_type
= l_type
;
6780 __get_user(fl
->l_whence
, &target_fl
->l_whence
);
6781 __get_user(fl
->l_start
, &target_fl
->l_start
);
6782 __get_user(fl
->l_len
, &target_fl
->l_len
);
6783 __get_user(fl
->l_pid
, &target_fl
->l_pid
);
6784 unlock_user_struct(target_fl
, target_flock_addr
, 0);
6788 static inline abi_long
copy_to_user_flock64(abi_ulong target_flock_addr
,
6789 const struct flock64
*fl
)
6791 struct target_flock64
*target_fl
;
6794 if (!lock_user_struct(VERIFY_WRITE
, target_fl
, target_flock_addr
, 0)) {
6795 return -TARGET_EFAULT
;
6798 l_type
= host_to_target_flock(fl
->l_type
);
6799 __put_user(l_type
, &target_fl
->l_type
);
6800 __put_user(fl
->l_whence
, &target_fl
->l_whence
);
6801 __put_user(fl
->l_start
, &target_fl
->l_start
);
6802 __put_user(fl
->l_len
, &target_fl
->l_len
);
6803 __put_user(fl
->l_pid
, &target_fl
->l_pid
);
6804 unlock_user_struct(target_fl
, target_flock_addr
, 1);
6808 static abi_long
do_fcntl(int fd
, int cmd
, abi_ulong arg
)
6810 struct flock64 fl64
;
6812 struct f_owner_ex fox
;
6813 struct target_f_owner_ex
*target_fox
;
6816 int host_cmd
= target_to_host_fcntl_cmd(cmd
);
6818 if (host_cmd
== -TARGET_EINVAL
)
6822 case TARGET_F_GETLK
:
6823 ret
= copy_from_user_flock(&fl64
, arg
);
6827 ret
= get_errno(safe_fcntl(fd
, host_cmd
, &fl64
));
6829 ret
= copy_to_user_flock(arg
, &fl64
);
6833 case TARGET_F_SETLK
:
6834 case TARGET_F_SETLKW
:
6835 ret
= copy_from_user_flock(&fl64
, arg
);
6839 ret
= get_errno(safe_fcntl(fd
, host_cmd
, &fl64
));
6842 case TARGET_F_GETLK64
:
6843 ret
= copy_from_user_flock64(&fl64
, arg
);
6847 ret
= get_errno(safe_fcntl(fd
, host_cmd
, &fl64
));
6849 ret
= copy_to_user_flock64(arg
, &fl64
);
6852 case TARGET_F_SETLK64
:
6853 case TARGET_F_SETLKW64
:
6854 ret
= copy_from_user_flock64(&fl64
, arg
);
6858 ret
= get_errno(safe_fcntl(fd
, host_cmd
, &fl64
));
6861 case TARGET_F_GETFL
:
6862 ret
= get_errno(safe_fcntl(fd
, host_cmd
, arg
));
6864 ret
= host_to_target_bitmask(ret
, fcntl_flags_tbl
);
6868 case TARGET_F_SETFL
:
6869 ret
= get_errno(safe_fcntl(fd
, host_cmd
,
6870 target_to_host_bitmask(arg
,
6875 case TARGET_F_GETOWN_EX
:
6876 ret
= get_errno(safe_fcntl(fd
, host_cmd
, &fox
));
6878 if (!lock_user_struct(VERIFY_WRITE
, target_fox
, arg
, 0))
6879 return -TARGET_EFAULT
;
6880 target_fox
->type
= tswap32(fox
.type
);
6881 target_fox
->pid
= tswap32(fox
.pid
);
6882 unlock_user_struct(target_fox
, arg
, 1);
6888 case TARGET_F_SETOWN_EX
:
6889 if (!lock_user_struct(VERIFY_READ
, target_fox
, arg
, 1))
6890 return -TARGET_EFAULT
;
6891 fox
.type
= tswap32(target_fox
->type
);
6892 fox
.pid
= tswap32(target_fox
->pid
);
6893 unlock_user_struct(target_fox
, arg
, 0);
6894 ret
= get_errno(safe_fcntl(fd
, host_cmd
, &fox
));
6898 case TARGET_F_SETOWN
:
6899 case TARGET_F_GETOWN
:
6900 case TARGET_F_SETSIG
:
6901 case TARGET_F_GETSIG
:
6902 case TARGET_F_SETLEASE
:
6903 case TARGET_F_GETLEASE
:
6904 case TARGET_F_SETPIPE_SZ
:
6905 case TARGET_F_GETPIPE_SZ
:
6906 ret
= get_errno(safe_fcntl(fd
, host_cmd
, arg
));
6910 ret
= get_errno(safe_fcntl(fd
, cmd
, arg
));
6918 static inline int high2lowuid(int uid
)
6926 static inline int high2lowgid(int gid
)
6934 static inline int low2highuid(int uid
)
6936 if ((int16_t)uid
== -1)
6942 static inline int low2highgid(int gid
)
6944 if ((int16_t)gid
== -1)
6949 static inline int tswapid(int id
)
6954 #define put_user_id(x, gaddr) put_user_u16(x, gaddr)
6956 #else /* !USE_UID16 */
6957 static inline int high2lowuid(int uid
)
6961 static inline int high2lowgid(int gid
)
6965 static inline int low2highuid(int uid
)
6969 static inline int low2highgid(int gid
)
6973 static inline int tswapid(int id
)
6978 #define put_user_id(x, gaddr) put_user_u32(x, gaddr)
6980 #endif /* USE_UID16 */
6982 /* We must do direct syscalls for setting UID/GID, because we want to
6983 * implement the Linux system call semantics of "change only for this thread",
6984 * not the libc/POSIX semantics of "change for all threads in process".
6985 * (See http://ewontfix.com/17/ for more details.)
6986 * We use the 32-bit version of the syscalls if present; if it is not
6987 * then either the host architecture supports 32-bit UIDs natively with
6988 * the standard syscall, or the 16-bit UID is the best we can do.
6990 #ifdef __NR_setuid32
6991 #define __NR_sys_setuid __NR_setuid32
6993 #define __NR_sys_setuid __NR_setuid
6995 #ifdef __NR_setgid32
6996 #define __NR_sys_setgid __NR_setgid32
6998 #define __NR_sys_setgid __NR_setgid
7000 #ifdef __NR_setresuid32
7001 #define __NR_sys_setresuid __NR_setresuid32
7003 #define __NR_sys_setresuid __NR_setresuid
7005 #ifdef __NR_setresgid32
7006 #define __NR_sys_setresgid __NR_setresgid32
7008 #define __NR_sys_setresgid __NR_setresgid
7011 _syscall1(int, sys_setuid
, uid_t
, uid
)
7012 _syscall1(int, sys_setgid
, gid_t
, gid
)
7013 _syscall3(int, sys_setresuid
, uid_t
, ruid
, uid_t
, euid
, uid_t
, suid
)
7014 _syscall3(int, sys_setresgid
, gid_t
, rgid
, gid_t
, egid
, gid_t
, sgid
)
7016 void syscall_init(void)
7019 const argtype
*arg_type
;
7023 thunk_init(STRUCT_MAX
);
7025 #define STRUCT(name, ...) thunk_register_struct(STRUCT_ ## name, #name, struct_ ## name ## _def);
7026 #define STRUCT_SPECIAL(name) thunk_register_struct_direct(STRUCT_ ## name, #name, &struct_ ## name ## _def);
7027 #include "syscall_types.h"
7029 #undef STRUCT_SPECIAL
7031 /* Build target_to_host_errno_table[] table from
7032 * host_to_target_errno_table[]. */
7033 for (i
= 0; i
< ERRNO_TABLE_SIZE
; i
++) {
7034 target_to_host_errno_table
[host_to_target_errno_table
[i
]] = i
;
7037 /* we patch the ioctl size if necessary. We rely on the fact that
7038 no ioctl has all the bits at '1' in the size field */
7040 while (ie
->target_cmd
!= 0) {
7041 if (((ie
->target_cmd
>> TARGET_IOC_SIZESHIFT
) & TARGET_IOC_SIZEMASK
) ==
7042 TARGET_IOC_SIZEMASK
) {
7043 arg_type
= ie
->arg_type
;
7044 if (arg_type
[0] != TYPE_PTR
) {
7045 fprintf(stderr
, "cannot patch size for ioctl 0x%x\n",
7050 size
= thunk_type_size(arg_type
, 0);
7051 ie
->target_cmd
= (ie
->target_cmd
&
7052 ~(TARGET_IOC_SIZEMASK
<< TARGET_IOC_SIZESHIFT
)) |
7053 (size
<< TARGET_IOC_SIZESHIFT
);
7056 /* automatic consistency check if same arch */
7057 #if (defined(__i386__) && defined(TARGET_I386) && defined(TARGET_ABI32)) || \
7058 (defined(__x86_64__) && defined(TARGET_X86_64))
7059 if (unlikely(ie
->target_cmd
!= ie
->host_cmd
)) {
7060 fprintf(stderr
, "ERROR: ioctl(%s): target=0x%x host=0x%x\n",
7061 ie
->name
, ie
->target_cmd
, ie
->host_cmd
);
7068 #if TARGET_ABI_BITS == 32
7069 static inline uint64_t target_offset64(uint32_t word0
, uint32_t word1
)
7071 #ifdef TARGET_WORDS_BIGENDIAN
7072 return ((uint64_t)word0
<< 32) | word1
;
7074 return ((uint64_t)word1
<< 32) | word0
;
7077 #else /* TARGET_ABI_BITS == 32 */
7078 static inline uint64_t target_offset64(uint64_t word0
, uint64_t word1
)
7082 #endif /* TARGET_ABI_BITS != 32 */
7084 #ifdef TARGET_NR_truncate64
7085 static inline abi_long
target_truncate64(void *cpu_env
, const char *arg1
,
7090 if (regpairs_aligned(cpu_env
, TARGET_NR_truncate64
)) {
7094 return get_errno(truncate64(arg1
, target_offset64(arg2
, arg3
)));
7098 #ifdef TARGET_NR_ftruncate64
7099 static inline abi_long
target_ftruncate64(void *cpu_env
, abi_long arg1
,
7104 if (regpairs_aligned(cpu_env
, TARGET_NR_ftruncate64
)) {
7108 return get_errno(ftruncate64(arg1
, target_offset64(arg2
, arg3
)));
7112 static inline abi_long
target_to_host_timespec(struct timespec
*host_ts
,
7113 abi_ulong target_addr
)
7115 struct target_timespec
*target_ts
;
7117 if (!lock_user_struct(VERIFY_READ
, target_ts
, target_addr
, 1))
7118 return -TARGET_EFAULT
;
7119 __get_user(host_ts
->tv_sec
, &target_ts
->tv_sec
);
7120 __get_user(host_ts
->tv_nsec
, &target_ts
->tv_nsec
);
7121 unlock_user_struct(target_ts
, target_addr
, 0);
7125 static inline abi_long
host_to_target_timespec(abi_ulong target_addr
,
7126 struct timespec
*host_ts
)
7128 struct target_timespec
*target_ts
;
7130 if (!lock_user_struct(VERIFY_WRITE
, target_ts
, target_addr
, 0))
7131 return -TARGET_EFAULT
;
7132 __put_user(host_ts
->tv_sec
, &target_ts
->tv_sec
);
7133 __put_user(host_ts
->tv_nsec
, &target_ts
->tv_nsec
);
7134 unlock_user_struct(target_ts
, target_addr
, 1);
7138 static inline abi_long
target_to_host_itimerspec(struct itimerspec
*host_itspec
,
7139 abi_ulong target_addr
)
7141 struct target_itimerspec
*target_itspec
;
7143 if (!lock_user_struct(VERIFY_READ
, target_itspec
, target_addr
, 1)) {
7144 return -TARGET_EFAULT
;
7147 host_itspec
->it_interval
.tv_sec
=
7148 tswapal(target_itspec
->it_interval
.tv_sec
);
7149 host_itspec
->it_interval
.tv_nsec
=
7150 tswapal(target_itspec
->it_interval
.tv_nsec
);
7151 host_itspec
->it_value
.tv_sec
= tswapal(target_itspec
->it_value
.tv_sec
);
7152 host_itspec
->it_value
.tv_nsec
= tswapal(target_itspec
->it_value
.tv_nsec
);
7154 unlock_user_struct(target_itspec
, target_addr
, 1);
7158 static inline abi_long
host_to_target_itimerspec(abi_ulong target_addr
,
7159 struct itimerspec
*host_its
)
7161 struct target_itimerspec
*target_itspec
;
7163 if (!lock_user_struct(VERIFY_WRITE
, target_itspec
, target_addr
, 0)) {
7164 return -TARGET_EFAULT
;
7167 target_itspec
->it_interval
.tv_sec
= tswapal(host_its
->it_interval
.tv_sec
);
7168 target_itspec
->it_interval
.tv_nsec
= tswapal(host_its
->it_interval
.tv_nsec
);
7170 target_itspec
->it_value
.tv_sec
= tswapal(host_its
->it_value
.tv_sec
);
7171 target_itspec
->it_value
.tv_nsec
= tswapal(host_its
->it_value
.tv_nsec
);
7173 unlock_user_struct(target_itspec
, target_addr
, 0);
7177 static inline abi_long
target_to_host_timex(struct timex
*host_tx
,
7178 abi_long target_addr
)
7180 struct target_timex
*target_tx
;
7182 if (!lock_user_struct(VERIFY_READ
, target_tx
, target_addr
, 1)) {
7183 return -TARGET_EFAULT
;
7186 __get_user(host_tx
->modes
, &target_tx
->modes
);
7187 __get_user(host_tx
->offset
, &target_tx
->offset
);
7188 __get_user(host_tx
->freq
, &target_tx
->freq
);
7189 __get_user(host_tx
->maxerror
, &target_tx
->maxerror
);
7190 __get_user(host_tx
->esterror
, &target_tx
->esterror
);
7191 __get_user(host_tx
->status
, &target_tx
->status
);
7192 __get_user(host_tx
->constant
, &target_tx
->constant
);
7193 __get_user(host_tx
->precision
, &target_tx
->precision
);
7194 __get_user(host_tx
->tolerance
, &target_tx
->tolerance
);
7195 __get_user(host_tx
->time
.tv_sec
, &target_tx
->time
.tv_sec
);
7196 __get_user(host_tx
->time
.tv_usec
, &target_tx
->time
.tv_usec
);
7197 __get_user(host_tx
->tick
, &target_tx
->tick
);
7198 __get_user(host_tx
->ppsfreq
, &target_tx
->ppsfreq
);
7199 __get_user(host_tx
->jitter
, &target_tx
->jitter
);
7200 __get_user(host_tx
->shift
, &target_tx
->shift
);
7201 __get_user(host_tx
->stabil
, &target_tx
->stabil
);
7202 __get_user(host_tx
->jitcnt
, &target_tx
->jitcnt
);
7203 __get_user(host_tx
->calcnt
, &target_tx
->calcnt
);
7204 __get_user(host_tx
->errcnt
, &target_tx
->errcnt
);
7205 __get_user(host_tx
->stbcnt
, &target_tx
->stbcnt
);
7206 __get_user(host_tx
->tai
, &target_tx
->tai
);
7208 unlock_user_struct(target_tx
, target_addr
, 0);
7212 static inline abi_long
host_to_target_timex(abi_long target_addr
,
7213 struct timex
*host_tx
)
7215 struct target_timex
*target_tx
;
7217 if (!lock_user_struct(VERIFY_WRITE
, target_tx
, target_addr
, 0)) {
7218 return -TARGET_EFAULT
;
7221 __put_user(host_tx
->modes
, &target_tx
->modes
);
7222 __put_user(host_tx
->offset
, &target_tx
->offset
);
7223 __put_user(host_tx
->freq
, &target_tx
->freq
);
7224 __put_user(host_tx
->maxerror
, &target_tx
->maxerror
);
7225 __put_user(host_tx
->esterror
, &target_tx
->esterror
);
7226 __put_user(host_tx
->status
, &target_tx
->status
);
7227 __put_user(host_tx
->constant
, &target_tx
->constant
);
7228 __put_user(host_tx
->precision
, &target_tx
->precision
);
7229 __put_user(host_tx
->tolerance
, &target_tx
->tolerance
);
7230 __put_user(host_tx
->time
.tv_sec
, &target_tx
->time
.tv_sec
);
7231 __put_user(host_tx
->time
.tv_usec
, &target_tx
->time
.tv_usec
);
7232 __put_user(host_tx
->tick
, &target_tx
->tick
);
7233 __put_user(host_tx
->ppsfreq
, &target_tx
->ppsfreq
);
7234 __put_user(host_tx
->jitter
, &target_tx
->jitter
);
7235 __put_user(host_tx
->shift
, &target_tx
->shift
);
7236 __put_user(host_tx
->stabil
, &target_tx
->stabil
);
7237 __put_user(host_tx
->jitcnt
, &target_tx
->jitcnt
);
7238 __put_user(host_tx
->calcnt
, &target_tx
->calcnt
);
7239 __put_user(host_tx
->errcnt
, &target_tx
->errcnt
);
7240 __put_user(host_tx
->stbcnt
, &target_tx
->stbcnt
);
7241 __put_user(host_tx
->tai
, &target_tx
->tai
);
7243 unlock_user_struct(target_tx
, target_addr
, 1);
7248 static inline abi_long
target_to_host_sigevent(struct sigevent
*host_sevp
,
7249 abi_ulong target_addr
)
7251 struct target_sigevent
*target_sevp
;
7253 if (!lock_user_struct(VERIFY_READ
, target_sevp
, target_addr
, 1)) {
7254 return -TARGET_EFAULT
;
7257 /* This union is awkward on 64 bit systems because it has a 32 bit
7258 * integer and a pointer in it; we follow the conversion approach
7259 * used for handling sigval types in signal.c so the guest should get
7260 * the correct value back even if we did a 64 bit byteswap and it's
7261 * using the 32 bit integer.
7263 host_sevp
->sigev_value
.sival_ptr
=
7264 (void *)(uintptr_t)tswapal(target_sevp
->sigev_value
.sival_ptr
);
7265 host_sevp
->sigev_signo
=
7266 target_to_host_signal(tswap32(target_sevp
->sigev_signo
));
7267 host_sevp
->sigev_notify
= tswap32(target_sevp
->sigev_notify
);
7268 host_sevp
->_sigev_un
._tid
= tswap32(target_sevp
->_sigev_un
._tid
);
7270 unlock_user_struct(target_sevp
, target_addr
, 1);
7274 #if defined(TARGET_NR_mlockall)
7275 static inline int target_to_host_mlockall_arg(int arg
)
7279 if (arg
& TARGET_MLOCKALL_MCL_CURRENT
) {
7280 result
|= MCL_CURRENT
;
7282 if (arg
& TARGET_MLOCKALL_MCL_FUTURE
) {
7283 result
|= MCL_FUTURE
;
7289 static inline abi_long
host_to_target_stat64(void *cpu_env
,
7290 abi_ulong target_addr
,
7291 struct stat
*host_st
)
7293 #if defined(TARGET_ARM) && defined(TARGET_ABI32)
7294 if (((CPUARMState
*)cpu_env
)->eabi
) {
7295 struct target_eabi_stat64
*target_st
;
7297 if (!lock_user_struct(VERIFY_WRITE
, target_st
, target_addr
, 0))
7298 return -TARGET_EFAULT
;
7299 memset(target_st
, 0, sizeof(struct target_eabi_stat64
));
7300 __put_user(host_st
->st_dev
, &target_st
->st_dev
);
7301 __put_user(host_st
->st_ino
, &target_st
->st_ino
);
7302 #ifdef TARGET_STAT64_HAS_BROKEN_ST_INO
7303 __put_user(host_st
->st_ino
, &target_st
->__st_ino
);
7305 __put_user(host_st
->st_mode
, &target_st
->st_mode
);
7306 __put_user(host_st
->st_nlink
, &target_st
->st_nlink
);
7307 __put_user(host_st
->st_uid
, &target_st
->st_uid
);
7308 __put_user(host_st
->st_gid
, &target_st
->st_gid
);
7309 __put_user(host_st
->st_rdev
, &target_st
->st_rdev
);
7310 __put_user(host_st
->st_size
, &target_st
->st_size
);
7311 __put_user(host_st
->st_blksize
, &target_st
->st_blksize
);
7312 __put_user(host_st
->st_blocks
, &target_st
->st_blocks
);
7313 __put_user(host_st
->st_atime
, &target_st
->target_st_atime
);
7314 __put_user(host_st
->st_mtime
, &target_st
->target_st_mtime
);
7315 __put_user(host_st
->st_ctime
, &target_st
->target_st_ctime
);
7316 unlock_user_struct(target_st
, target_addr
, 1);
7320 #if defined(TARGET_HAS_STRUCT_STAT64)
7321 struct target_stat64
*target_st
;
7323 struct target_stat
*target_st
;
7326 if (!lock_user_struct(VERIFY_WRITE
, target_st
, target_addr
, 0))
7327 return -TARGET_EFAULT
;
7328 memset(target_st
, 0, sizeof(*target_st
));
7329 __put_user(host_st
->st_dev
, &target_st
->st_dev
);
7330 __put_user(host_st
->st_ino
, &target_st
->st_ino
);
7331 #ifdef TARGET_STAT64_HAS_BROKEN_ST_INO
7332 __put_user(host_st
->st_ino
, &target_st
->__st_ino
);
7334 __put_user(host_st
->st_mode
, &target_st
->st_mode
);
7335 __put_user(host_st
->st_nlink
, &target_st
->st_nlink
);
7336 __put_user(host_st
->st_uid
, &target_st
->st_uid
);
7337 __put_user(host_st
->st_gid
, &target_st
->st_gid
);
7338 __put_user(host_st
->st_rdev
, &target_st
->st_rdev
);
7339 /* XXX: better use of kernel struct */
7340 __put_user(host_st
->st_size
, &target_st
->st_size
);
7341 __put_user(host_st
->st_blksize
, &target_st
->st_blksize
);
7342 __put_user(host_st
->st_blocks
, &target_st
->st_blocks
);
7343 __put_user(host_st
->st_atime
, &target_st
->target_st_atime
);
7344 __put_user(host_st
->st_mtime
, &target_st
->target_st_mtime
);
7345 __put_user(host_st
->st_ctime
, &target_st
->target_st_ctime
);
7346 unlock_user_struct(target_st
, target_addr
, 1);
7352 /* ??? Using host futex calls even when target atomic operations
7353 are not really atomic probably breaks things. However implementing
7354 futexes locally would make futexes shared between multiple processes
7355 tricky. However they're probably useless because guest atomic
7356 operations won't work either. */
7357 static int do_futex(target_ulong uaddr
, int op
, int val
, target_ulong timeout
,
7358 target_ulong uaddr2
, int val3
)
7360 struct timespec ts
, *pts
;
7363 /* ??? We assume FUTEX_* constants are the same on both host
7365 #ifdef FUTEX_CMD_MASK
7366 base_op
= op
& FUTEX_CMD_MASK
;
7372 case FUTEX_WAIT_BITSET
:
7375 target_to_host_timespec(pts
, timeout
);
7379 return get_errno(safe_futex(g2h(uaddr
), op
, tswap32(val
),
7382 return get_errno(safe_futex(g2h(uaddr
), op
, val
, NULL
, NULL
, 0));
7384 return get_errno(safe_futex(g2h(uaddr
), op
, val
, NULL
, NULL
, 0));
7386 case FUTEX_CMP_REQUEUE
:
7388 /* For FUTEX_REQUEUE, FUTEX_CMP_REQUEUE, and FUTEX_WAKE_OP, the
7389 TIMEOUT parameter is interpreted as a uint32_t by the kernel.
7390 But the prototype takes a `struct timespec *'; insert casts
7391 to satisfy the compiler. We do not need to tswap TIMEOUT
7392 since it's not compared to guest memory. */
7393 pts
= (struct timespec
*)(uintptr_t) timeout
;
7394 return get_errno(safe_futex(g2h(uaddr
), op
, val
, pts
,
7396 (base_op
== FUTEX_CMP_REQUEUE
7400 return -TARGET_ENOSYS
;
7403 #if defined(TARGET_NR_name_to_handle_at) && defined(CONFIG_OPEN_BY_HANDLE)
7404 static abi_long
do_name_to_handle_at(abi_long dirfd
, abi_long pathname
,
7405 abi_long handle
, abi_long mount_id
,
7408 struct file_handle
*target_fh
;
7409 struct file_handle
*fh
;
7413 unsigned int size
, total_size
;
7415 if (get_user_s32(size
, handle
)) {
7416 return -TARGET_EFAULT
;
7419 name
= lock_user_string(pathname
);
7421 return -TARGET_EFAULT
;
7424 total_size
= sizeof(struct file_handle
) + size
;
7425 target_fh
= lock_user(VERIFY_WRITE
, handle
, total_size
, 0);
7427 unlock_user(name
, pathname
, 0);
7428 return -TARGET_EFAULT
;
7431 fh
= g_malloc0(total_size
);
7432 fh
->handle_bytes
= size
;
7434 ret
= get_errno(name_to_handle_at(dirfd
, path(name
), fh
, &mid
, flags
));
7435 unlock_user(name
, pathname
, 0);
7437 /* man name_to_handle_at(2):
7438 * Other than the use of the handle_bytes field, the caller should treat
7439 * the file_handle structure as an opaque data type
7442 memcpy(target_fh
, fh
, total_size
);
7443 target_fh
->handle_bytes
= tswap32(fh
->handle_bytes
);
7444 target_fh
->handle_type
= tswap32(fh
->handle_type
);
7446 unlock_user(target_fh
, handle
, total_size
);
7448 if (put_user_s32(mid
, mount_id
)) {
7449 return -TARGET_EFAULT
;
7457 #if defined(TARGET_NR_open_by_handle_at) && defined(CONFIG_OPEN_BY_HANDLE)
7458 static abi_long
do_open_by_handle_at(abi_long mount_fd
, abi_long handle
,
7461 struct file_handle
*target_fh
;
7462 struct file_handle
*fh
;
7463 unsigned int size
, total_size
;
7466 if (get_user_s32(size
, handle
)) {
7467 return -TARGET_EFAULT
;
7470 total_size
= sizeof(struct file_handle
) + size
;
7471 target_fh
= lock_user(VERIFY_READ
, handle
, total_size
, 1);
7473 return -TARGET_EFAULT
;
7476 fh
= g_memdup(target_fh
, total_size
);
7477 fh
->handle_bytes
= size
;
7478 fh
->handle_type
= tswap32(target_fh
->handle_type
);
7480 ret
= get_errno(open_by_handle_at(mount_fd
, fh
,
7481 target_to_host_bitmask(flags
, fcntl_flags_tbl
)));
7485 unlock_user(target_fh
, handle
, total_size
);
7491 #if defined(TARGET_NR_signalfd) || defined(TARGET_NR_signalfd4)
7493 /* signalfd siginfo conversion */
7496 host_to_target_signalfd_siginfo(struct signalfd_siginfo
*tinfo
,
7497 const struct signalfd_siginfo
*info
)
7499 int sig
= host_to_target_signal(info
->ssi_signo
);
7501 /* linux/signalfd.h defines a ssi_addr_lsb
7502 * not defined in sys/signalfd.h but used by some kernels
7505 #ifdef BUS_MCEERR_AO
7506 if (tinfo
->ssi_signo
== SIGBUS
&&
7507 (tinfo
->ssi_code
== BUS_MCEERR_AR
||
7508 tinfo
->ssi_code
== BUS_MCEERR_AO
)) {
7509 uint16_t *ssi_addr_lsb
= (uint16_t *)(&info
->ssi_addr
+ 1);
7510 uint16_t *tssi_addr_lsb
= (uint16_t *)(&tinfo
->ssi_addr
+ 1);
7511 *tssi_addr_lsb
= tswap16(*ssi_addr_lsb
);
7515 tinfo
->ssi_signo
= tswap32(sig
);
7516 tinfo
->ssi_errno
= tswap32(tinfo
->ssi_errno
);
7517 tinfo
->ssi_code
= tswap32(info
->ssi_code
);
7518 tinfo
->ssi_pid
= tswap32(info
->ssi_pid
);
7519 tinfo
->ssi_uid
= tswap32(info
->ssi_uid
);
7520 tinfo
->ssi_fd
= tswap32(info
->ssi_fd
);
7521 tinfo
->ssi_tid
= tswap32(info
->ssi_tid
);
7522 tinfo
->ssi_band
= tswap32(info
->ssi_band
);
7523 tinfo
->ssi_overrun
= tswap32(info
->ssi_overrun
);
7524 tinfo
->ssi_trapno
= tswap32(info
->ssi_trapno
);
7525 tinfo
->ssi_status
= tswap32(info
->ssi_status
);
7526 tinfo
->ssi_int
= tswap32(info
->ssi_int
);
7527 tinfo
->ssi_ptr
= tswap64(info
->ssi_ptr
);
7528 tinfo
->ssi_utime
= tswap64(info
->ssi_utime
);
7529 tinfo
->ssi_stime
= tswap64(info
->ssi_stime
);
7530 tinfo
->ssi_addr
= tswap64(info
->ssi_addr
);
7533 static abi_long
host_to_target_data_signalfd(void *buf
, size_t len
)
7537 for (i
= 0; i
< len
; i
+= sizeof(struct signalfd_siginfo
)) {
7538 host_to_target_signalfd_siginfo(buf
+ i
, buf
+ i
);
7544 static TargetFdTrans target_signalfd_trans
= {
7545 .host_to_target_data
= host_to_target_data_signalfd
,
7548 static abi_long
do_signalfd4(int fd
, abi_long mask
, int flags
)
7551 target_sigset_t
*target_mask
;
7555 if (flags
& ~(TARGET_O_NONBLOCK
| TARGET_O_CLOEXEC
)) {
7556 return -TARGET_EINVAL
;
7558 if (!lock_user_struct(VERIFY_READ
, target_mask
, mask
, 1)) {
7559 return -TARGET_EFAULT
;
7562 target_to_host_sigset(&host_mask
, target_mask
);
7564 host_flags
= target_to_host_bitmask(flags
, fcntl_flags_tbl
);
7566 ret
= get_errno(signalfd(fd
, &host_mask
, host_flags
));
7568 fd_trans_register(ret
, &target_signalfd_trans
);
7571 unlock_user_struct(target_mask
, mask
, 0);
7577 /* Map host to target signal numbers for the wait family of syscalls.
7578 Assume all other status bits are the same. */
7579 int host_to_target_waitstatus(int status
)
7581 if (WIFSIGNALED(status
)) {
7582 return host_to_target_signal(WTERMSIG(status
)) | (status
& ~0x7f);
7584 if (WIFSTOPPED(status
)) {
7585 return (host_to_target_signal(WSTOPSIG(status
)) << 8)
7591 static int open_self_cmdline(void *cpu_env
, int fd
)
7593 CPUState
*cpu
= ENV_GET_CPU((CPUArchState
*)cpu_env
);
7594 struct linux_binprm
*bprm
= ((TaskState
*)cpu
->opaque
)->bprm
;
7597 for (i
= 0; i
< bprm
->argc
; i
++) {
7598 size_t len
= strlen(bprm
->argv
[i
]) + 1;
7600 if (write(fd
, bprm
->argv
[i
], len
) != len
) {
7608 static int open_self_maps(void *cpu_env
, int fd
)
7610 CPUState
*cpu
= ENV_GET_CPU((CPUArchState
*)cpu_env
);
7611 TaskState
*ts
= cpu
->opaque
;
7617 fp
= fopen("/proc/self/maps", "r");
7622 while ((read
= getline(&line
, &len
, fp
)) != -1) {
7623 int fields
, dev_maj
, dev_min
, inode
;
7624 uint64_t min
, max
, offset
;
7625 char flag_r
, flag_w
, flag_x
, flag_p
;
7626 char path
[512] = "";
7627 fields
= sscanf(line
, "%"PRIx64
"-%"PRIx64
" %c%c%c%c %"PRIx64
" %x:%x %d"
7628 " %512s", &min
, &max
, &flag_r
, &flag_w
, &flag_x
,
7629 &flag_p
, &offset
, &dev_maj
, &dev_min
, &inode
, path
);
7631 if ((fields
< 10) || (fields
> 11)) {
7634 if (h2g_valid(min
)) {
7635 int flags
= page_get_flags(h2g(min
));
7636 max
= h2g_valid(max
- 1) ? max
: (uintptr_t)g2h(GUEST_ADDR_MAX
) + 1;
7637 if (page_check_range(h2g(min
), max
- min
, flags
) == -1) {
7640 if (h2g(min
) == ts
->info
->stack_limit
) {
7641 pstrcpy(path
, sizeof(path
), " [stack]");
7643 dprintf(fd
, TARGET_ABI_FMT_lx
"-" TARGET_ABI_FMT_lx
7644 " %c%c%c%c %08" PRIx64
" %02x:%02x %d %s%s\n",
7645 h2g(min
), h2g(max
- 1) + 1, flag_r
, flag_w
,
7646 flag_x
, flag_p
, offset
, dev_maj
, dev_min
, inode
,
7647 path
[0] ? " " : "", path
);
7657 static int open_self_stat(void *cpu_env
, int fd
)
7659 CPUState
*cpu
= ENV_GET_CPU((CPUArchState
*)cpu_env
);
7660 TaskState
*ts
= cpu
->opaque
;
7661 abi_ulong start_stack
= ts
->info
->start_stack
;
7664 for (i
= 0; i
< 44; i
++) {
7672 snprintf(buf
, sizeof(buf
), "%"PRId64
" ", val
);
7673 } else if (i
== 1) {
7675 snprintf(buf
, sizeof(buf
), "(%s) ", ts
->bprm
->argv
[0]);
7676 } else if (i
== 27) {
7679 snprintf(buf
, sizeof(buf
), "%"PRId64
" ", val
);
7681 /* for the rest, there is MasterCard */
7682 snprintf(buf
, sizeof(buf
), "0%c", i
== 43 ? '\n' : ' ');
7686 if (write(fd
, buf
, len
) != len
) {
7694 static int open_self_auxv(void *cpu_env
, int fd
)
7696 CPUState
*cpu
= ENV_GET_CPU((CPUArchState
*)cpu_env
);
7697 TaskState
*ts
= cpu
->opaque
;
7698 abi_ulong auxv
= ts
->info
->saved_auxv
;
7699 abi_ulong len
= ts
->info
->auxv_len
;
7703 * Auxiliary vector is stored in target process stack.
7704 * read in whole auxv vector and copy it to file
7706 ptr
= lock_user(VERIFY_READ
, auxv
, len
, 0);
7710 r
= write(fd
, ptr
, len
);
7717 lseek(fd
, 0, SEEK_SET
);
7718 unlock_user(ptr
, auxv
, len
);
7724 static int is_proc_myself(const char *filename
, const char *entry
)
7726 if (!strncmp(filename
, "/proc/", strlen("/proc/"))) {
7727 filename
+= strlen("/proc/");
7728 if (!strncmp(filename
, "self/", strlen("self/"))) {
7729 filename
+= strlen("self/");
7730 } else if (*filename
>= '1' && *filename
<= '9') {
7732 snprintf(myself
, sizeof(myself
), "%d/", getpid());
7733 if (!strncmp(filename
, myself
, strlen(myself
))) {
7734 filename
+= strlen(myself
);
7741 if (!strcmp(filename
, entry
)) {
7748 #if defined(HOST_WORDS_BIGENDIAN) != defined(TARGET_WORDS_BIGENDIAN)
7749 static int is_proc(const char *filename
, const char *entry
)
7751 return strcmp(filename
, entry
) == 0;
7754 static int open_net_route(void *cpu_env
, int fd
)
7761 fp
= fopen("/proc/net/route", "r");
7768 read
= getline(&line
, &len
, fp
);
7769 dprintf(fd
, "%s", line
);
7773 while ((read
= getline(&line
, &len
, fp
)) != -1) {
7775 uint32_t dest
, gw
, mask
;
7776 unsigned int flags
, refcnt
, use
, metric
, mtu
, window
, irtt
;
7777 sscanf(line
, "%s\t%08x\t%08x\t%04x\t%d\t%d\t%d\t%08x\t%d\t%u\t%u\n",
7778 iface
, &dest
, &gw
, &flags
, &refcnt
, &use
, &metric
,
7779 &mask
, &mtu
, &window
, &irtt
);
7780 dprintf(fd
, "%s\t%08x\t%08x\t%04x\t%d\t%d\t%d\t%08x\t%d\t%u\t%u\n",
7781 iface
, tswap32(dest
), tswap32(gw
), flags
, refcnt
, use
,
7782 metric
, tswap32(mask
), mtu
, window
, irtt
);
7792 static int do_openat(void *cpu_env
, int dirfd
, const char *pathname
, int flags
, mode_t mode
)
7795 const char *filename
;
7796 int (*fill
)(void *cpu_env
, int fd
);
7797 int (*cmp
)(const char *s1
, const char *s2
);
7799 const struct fake_open
*fake_open
;
7800 static const struct fake_open fakes
[] = {
7801 { "maps", open_self_maps
, is_proc_myself
},
7802 { "stat", open_self_stat
, is_proc_myself
},
7803 { "auxv", open_self_auxv
, is_proc_myself
},
7804 { "cmdline", open_self_cmdline
, is_proc_myself
},
7805 #if defined(HOST_WORDS_BIGENDIAN) != defined(TARGET_WORDS_BIGENDIAN)
7806 { "/proc/net/route", open_net_route
, is_proc
},
7808 { NULL
, NULL
, NULL
}
7811 if (is_proc_myself(pathname
, "exe")) {
7812 int execfd
= qemu_getauxval(AT_EXECFD
);
7813 return execfd
? execfd
: safe_openat(dirfd
, exec_path
, flags
, mode
);
7816 for (fake_open
= fakes
; fake_open
->filename
; fake_open
++) {
7817 if (fake_open
->cmp(pathname
, fake_open
->filename
)) {
7822 if (fake_open
->filename
) {
7824 char filename
[PATH_MAX
];
7827 /* create temporary file to map stat to */
7828 tmpdir
= getenv("TMPDIR");
7831 snprintf(filename
, sizeof(filename
), "%s/qemu-open.XXXXXX", tmpdir
);
7832 fd
= mkstemp(filename
);
7838 if ((r
= fake_open
->fill(cpu_env
, fd
))) {
7844 lseek(fd
, 0, SEEK_SET
);
7849 return safe_openat(dirfd
, path(pathname
), flags
, mode
);
7852 #define TIMER_MAGIC 0x0caf0000
7853 #define TIMER_MAGIC_MASK 0xffff0000
7855 /* Convert QEMU provided timer ID back to internal 16bit index format */
7856 static target_timer_t
get_timer_id(abi_long arg
)
7858 target_timer_t timerid
= arg
;
7860 if ((timerid
& TIMER_MAGIC_MASK
) != TIMER_MAGIC
) {
7861 return -TARGET_EINVAL
;
7866 if (timerid
>= ARRAY_SIZE(g_posix_timers
)) {
7867 return -TARGET_EINVAL
;
7873 static abi_long
swap_data_eventfd(void *buf
, size_t len
)
7875 uint64_t *counter
= buf
;
7878 if (len
< sizeof(uint64_t)) {
7882 for (i
= 0; i
< len
; i
+= sizeof(uint64_t)) {
7883 *counter
= tswap64(*counter
);
7890 static TargetFdTrans target_eventfd_trans
= {
7891 .host_to_target_data
= swap_data_eventfd
,
7892 .target_to_host_data
= swap_data_eventfd
,
7895 #if (defined(TARGET_NR_inotify_init) && defined(__NR_inotify_init)) || \
7896 (defined(CONFIG_INOTIFY1) && defined(TARGET_NR_inotify_init1) && \
7897 defined(__NR_inotify_init1))
7898 static abi_long
host_to_target_data_inotify(void *buf
, size_t len
)
7900 struct inotify_event
*ev
;
7904 for (i
= 0; i
< len
; i
+= sizeof(struct inotify_event
) + name_len
) {
7905 ev
= (struct inotify_event
*)((char *)buf
+ i
);
7908 ev
->wd
= tswap32(ev
->wd
);
7909 ev
->mask
= tswap32(ev
->mask
);
7910 ev
->cookie
= tswap32(ev
->cookie
);
7911 ev
->len
= tswap32(name_len
);
7917 static TargetFdTrans target_inotify_trans
= {
7918 .host_to_target_data
= host_to_target_data_inotify
,
7922 static int target_to_host_cpu_mask(unsigned long *host_mask
,
7924 abi_ulong target_addr
,
7927 unsigned target_bits
= sizeof(abi_ulong
) * 8;
7928 unsigned host_bits
= sizeof(*host_mask
) * 8;
7929 abi_ulong
*target_mask
;
7932 assert(host_size
>= target_size
);
7934 target_mask
= lock_user(VERIFY_READ
, target_addr
, target_size
, 1);
7936 return -TARGET_EFAULT
;
7938 memset(host_mask
, 0, host_size
);
7940 for (i
= 0 ; i
< target_size
/ sizeof(abi_ulong
); i
++) {
7941 unsigned bit
= i
* target_bits
;
7944 __get_user(val
, &target_mask
[i
]);
7945 for (j
= 0; j
< target_bits
; j
++, bit
++) {
7946 if (val
& (1UL << j
)) {
7947 host_mask
[bit
/ host_bits
] |= 1UL << (bit
% host_bits
);
7952 unlock_user(target_mask
, target_addr
, 0);
7956 static int host_to_target_cpu_mask(const unsigned long *host_mask
,
7958 abi_ulong target_addr
,
7961 unsigned target_bits
= sizeof(abi_ulong
) * 8;
7962 unsigned host_bits
= sizeof(*host_mask
) * 8;
7963 abi_ulong
*target_mask
;
7966 assert(host_size
>= target_size
);
7968 target_mask
= lock_user(VERIFY_WRITE
, target_addr
, target_size
, 0);
7970 return -TARGET_EFAULT
;
7973 for (i
= 0 ; i
< target_size
/ sizeof(abi_ulong
); i
++) {
7974 unsigned bit
= i
* target_bits
;
7977 for (j
= 0; j
< target_bits
; j
++, bit
++) {
7978 if (host_mask
[bit
/ host_bits
] & (1UL << (bit
% host_bits
))) {
7982 __put_user(val
, &target_mask
[i
]);
7985 unlock_user(target_mask
, target_addr
, target_size
);
7989 /* do_syscall() should always have a single exit point at the end so
7990 that actions, such as logging of syscall results, can be performed.
7991 All errnos that do_syscall() returns must be -TARGET_<errcode>. */
7992 abi_long
do_syscall(void *cpu_env
, int num
, abi_long arg1
,
7993 abi_long arg2
, abi_long arg3
, abi_long arg4
,
7994 abi_long arg5
, abi_long arg6
, abi_long arg7
,
7997 CPUState
*cpu
= ENV_GET_CPU(cpu_env
);
8003 #if defined(DEBUG_ERESTARTSYS)
8004 /* Debug-only code for exercising the syscall-restart code paths
8005 * in the per-architecture cpu main loops: restart every syscall
8006 * the guest makes once before letting it through.
8013 return -TARGET_ERESTARTSYS
;
8019 gemu_log("syscall %d", num
);
8021 trace_guest_user_syscall(cpu
, num
, arg1
, arg2
, arg3
, arg4
, arg5
, arg6
, arg7
, arg8
);
8023 print_syscall(num
, arg1
, arg2
, arg3
, arg4
, arg5
, arg6
);
8026 case TARGET_NR_exit
:
8027 /* In old applications this may be used to implement _exit(2).
8028 However in threaded applictions it is used for thread termination,
8029 and _exit_group is used for application termination.
8030 Do thread termination if we have more then one thread. */
8032 if (block_signals()) {
8033 ret
= -TARGET_ERESTARTSYS
;
8039 if (CPU_NEXT(first_cpu
)) {
8042 /* Remove the CPU from the list. */
8043 QTAILQ_REMOVE(&cpus
, cpu
, node
);
8048 if (ts
->child_tidptr
) {
8049 put_user_u32(0, ts
->child_tidptr
);
8050 sys_futex(g2h(ts
->child_tidptr
), FUTEX_WAKE
, INT_MAX
,
8054 object_unref(OBJECT(cpu
));
8056 rcu_unregister_thread();
8061 preexit_cleanup(cpu_env
, arg1
);
8063 ret
= 0; /* avoid warning */
8065 case TARGET_NR_read
:
8069 if (!(p
= lock_user(VERIFY_WRITE
, arg2
, arg3
, 0)))
8071 ret
= get_errno(safe_read(arg1
, p
, arg3
));
8073 fd_trans_host_to_target_data(arg1
)) {
8074 ret
= fd_trans_host_to_target_data(arg1
)(p
, ret
);
8076 unlock_user(p
, arg2
, ret
);
8079 case TARGET_NR_write
:
8080 if (!(p
= lock_user(VERIFY_READ
, arg2
, arg3
, 1)))
8082 if (fd_trans_target_to_host_data(arg1
)) {
8083 void *copy
= g_malloc(arg3
);
8084 memcpy(copy
, p
, arg3
);
8085 ret
= fd_trans_target_to_host_data(arg1
)(copy
, arg3
);
8087 ret
= get_errno(safe_write(arg1
, copy
, ret
));
8091 ret
= get_errno(safe_write(arg1
, p
, arg3
));
8093 unlock_user(p
, arg2
, 0);
8095 #ifdef TARGET_NR_open
8096 case TARGET_NR_open
:
8097 if (!(p
= lock_user_string(arg1
)))
8099 ret
= get_errno(do_openat(cpu_env
, AT_FDCWD
, p
,
8100 target_to_host_bitmask(arg2
, fcntl_flags_tbl
),
8102 fd_trans_unregister(ret
);
8103 unlock_user(p
, arg1
, 0);
8106 case TARGET_NR_openat
:
8107 if (!(p
= lock_user_string(arg2
)))
8109 ret
= get_errno(do_openat(cpu_env
, arg1
, p
,
8110 target_to_host_bitmask(arg3
, fcntl_flags_tbl
),
8112 fd_trans_unregister(ret
);
8113 unlock_user(p
, arg2
, 0);
8115 #if defined(TARGET_NR_name_to_handle_at) && defined(CONFIG_OPEN_BY_HANDLE)
8116 case TARGET_NR_name_to_handle_at
:
8117 ret
= do_name_to_handle_at(arg1
, arg2
, arg3
, arg4
, arg5
);
8120 #if defined(TARGET_NR_open_by_handle_at) && defined(CONFIG_OPEN_BY_HANDLE)
8121 case TARGET_NR_open_by_handle_at
:
8122 ret
= do_open_by_handle_at(arg1
, arg2
, arg3
);
8123 fd_trans_unregister(ret
);
8126 case TARGET_NR_close
:
8127 fd_trans_unregister(arg1
);
8128 ret
= get_errno(close(arg1
));
8133 #ifdef TARGET_NR_fork
8134 case TARGET_NR_fork
:
8135 ret
= get_errno(do_fork(cpu_env
, TARGET_SIGCHLD
, 0, 0, 0, 0));
8138 #ifdef TARGET_NR_waitpid
8139 case TARGET_NR_waitpid
:
8142 ret
= get_errno(safe_wait4(arg1
, &status
, arg3
, 0));
8143 if (!is_error(ret
) && arg2
&& ret
8144 && put_user_s32(host_to_target_waitstatus(status
), arg2
))
8149 #ifdef TARGET_NR_waitid
8150 case TARGET_NR_waitid
:
8154 ret
= get_errno(safe_waitid(arg1
, arg2
, &info
, arg4
, NULL
));
8155 if (!is_error(ret
) && arg3
&& info
.si_pid
!= 0) {
8156 if (!(p
= lock_user(VERIFY_WRITE
, arg3
, sizeof(target_siginfo_t
), 0)))
8158 host_to_target_siginfo(p
, &info
);
8159 unlock_user(p
, arg3
, sizeof(target_siginfo_t
));
8164 #ifdef TARGET_NR_creat /* not on alpha */
8165 case TARGET_NR_creat
:
8166 if (!(p
= lock_user_string(arg1
)))
8168 ret
= get_errno(creat(p
, arg2
));
8169 fd_trans_unregister(ret
);
8170 unlock_user(p
, arg1
, 0);
8173 #ifdef TARGET_NR_link
8174 case TARGET_NR_link
:
8177 p
= lock_user_string(arg1
);
8178 p2
= lock_user_string(arg2
);
8180 ret
= -TARGET_EFAULT
;
8182 ret
= get_errno(link(p
, p2
));
8183 unlock_user(p2
, arg2
, 0);
8184 unlock_user(p
, arg1
, 0);
8188 #if defined(TARGET_NR_linkat)
8189 case TARGET_NR_linkat
:
8194 p
= lock_user_string(arg2
);
8195 p2
= lock_user_string(arg4
);
8197 ret
= -TARGET_EFAULT
;
8199 ret
= get_errno(linkat(arg1
, p
, arg3
, p2
, arg5
));
8200 unlock_user(p
, arg2
, 0);
8201 unlock_user(p2
, arg4
, 0);
8205 #ifdef TARGET_NR_unlink
8206 case TARGET_NR_unlink
:
8207 if (!(p
= lock_user_string(arg1
)))
8209 ret
= get_errno(unlink(p
));
8210 unlock_user(p
, arg1
, 0);
8213 #if defined(TARGET_NR_unlinkat)
8214 case TARGET_NR_unlinkat
:
8215 if (!(p
= lock_user_string(arg2
)))
8217 ret
= get_errno(unlinkat(arg1
, p
, arg3
));
8218 unlock_user(p
, arg2
, 0);
8221 case TARGET_NR_execve
:
8223 char **argp
, **envp
;
8226 abi_ulong guest_argp
;
8227 abi_ulong guest_envp
;
8234 for (gp
= guest_argp
; gp
; gp
+= sizeof(abi_ulong
)) {
8235 if (get_user_ual(addr
, gp
))
8243 for (gp
= guest_envp
; gp
; gp
+= sizeof(abi_ulong
)) {
8244 if (get_user_ual(addr
, gp
))
8251 argp
= g_new0(char *, argc
+ 1);
8252 envp
= g_new0(char *, envc
+ 1);
8254 for (gp
= guest_argp
, q
= argp
; gp
;
8255 gp
+= sizeof(abi_ulong
), q
++) {
8256 if (get_user_ual(addr
, gp
))
8260 if (!(*q
= lock_user_string(addr
)))
8262 total_size
+= strlen(*q
) + 1;
8266 for (gp
= guest_envp
, q
= envp
; gp
;
8267 gp
+= sizeof(abi_ulong
), q
++) {
8268 if (get_user_ual(addr
, gp
))
8272 if (!(*q
= lock_user_string(addr
)))
8274 total_size
+= strlen(*q
) + 1;
8278 if (!(p
= lock_user_string(arg1
)))
8280 /* Although execve() is not an interruptible syscall it is
8281 * a special case where we must use the safe_syscall wrapper:
8282 * if we allow a signal to happen before we make the host
8283 * syscall then we will 'lose' it, because at the point of
8284 * execve the process leaves QEMU's control. So we use the
8285 * safe syscall wrapper to ensure that we either take the
8286 * signal as a guest signal, or else it does not happen
8287 * before the execve completes and makes it the other
8288 * program's problem.
8290 ret
= get_errno(safe_execve(p
, argp
, envp
));
8291 unlock_user(p
, arg1
, 0);
8296 ret
= -TARGET_EFAULT
;
8299 for (gp
= guest_argp
, q
= argp
; *q
;
8300 gp
+= sizeof(abi_ulong
), q
++) {
8301 if (get_user_ual(addr
, gp
)
8304 unlock_user(*q
, addr
, 0);
8306 for (gp
= guest_envp
, q
= envp
; *q
;
8307 gp
+= sizeof(abi_ulong
), q
++) {
8308 if (get_user_ual(addr
, gp
)
8311 unlock_user(*q
, addr
, 0);
8318 case TARGET_NR_chdir
:
8319 if (!(p
= lock_user_string(arg1
)))
8321 ret
= get_errno(chdir(p
));
8322 unlock_user(p
, arg1
, 0);
8324 #ifdef TARGET_NR_time
8325 case TARGET_NR_time
:
8328 ret
= get_errno(time(&host_time
));
8331 && put_user_sal(host_time
, arg1
))
8336 #ifdef TARGET_NR_mknod
8337 case TARGET_NR_mknod
:
8338 if (!(p
= lock_user_string(arg1
)))
8340 ret
= get_errno(mknod(p
, arg2
, arg3
));
8341 unlock_user(p
, arg1
, 0);
8344 #if defined(TARGET_NR_mknodat)
8345 case TARGET_NR_mknodat
:
8346 if (!(p
= lock_user_string(arg2
)))
8348 ret
= get_errno(mknodat(arg1
, p
, arg3
, arg4
));
8349 unlock_user(p
, arg2
, 0);
8352 #ifdef TARGET_NR_chmod
8353 case TARGET_NR_chmod
:
8354 if (!(p
= lock_user_string(arg1
)))
8356 ret
= get_errno(chmod(p
, arg2
));
8357 unlock_user(p
, arg1
, 0);
8360 #ifdef TARGET_NR_break
8361 case TARGET_NR_break
:
8364 #ifdef TARGET_NR_oldstat
8365 case TARGET_NR_oldstat
:
8368 case TARGET_NR_lseek
:
8369 ret
= get_errno(lseek(arg1
, arg2
, arg3
));
8371 #if defined(TARGET_NR_getxpid) && defined(TARGET_ALPHA)
8372 /* Alpha specific */
8373 case TARGET_NR_getxpid
:
8374 ((CPUAlphaState
*)cpu_env
)->ir
[IR_A4
] = getppid();
8375 ret
= get_errno(getpid());
8378 #ifdef TARGET_NR_getpid
8379 case TARGET_NR_getpid
:
8380 ret
= get_errno(getpid());
8383 case TARGET_NR_mount
:
8385 /* need to look at the data field */
8389 p
= lock_user_string(arg1
);
8397 p2
= lock_user_string(arg2
);
8400 unlock_user(p
, arg1
, 0);
8406 p3
= lock_user_string(arg3
);
8409 unlock_user(p
, arg1
, 0);
8411 unlock_user(p2
, arg2
, 0);
8418 /* FIXME - arg5 should be locked, but it isn't clear how to
8419 * do that since it's not guaranteed to be a NULL-terminated
8423 ret
= mount(p
, p2
, p3
, (unsigned long)arg4
, NULL
);
8425 ret
= mount(p
, p2
, p3
, (unsigned long)arg4
, g2h(arg5
));
8427 ret
= get_errno(ret
);
8430 unlock_user(p
, arg1
, 0);
8432 unlock_user(p2
, arg2
, 0);
8434 unlock_user(p3
, arg3
, 0);
8438 #ifdef TARGET_NR_umount
8439 case TARGET_NR_umount
:
8440 if (!(p
= lock_user_string(arg1
)))
8442 ret
= get_errno(umount(p
));
8443 unlock_user(p
, arg1
, 0);
8446 #ifdef TARGET_NR_stime /* not on alpha */
8447 case TARGET_NR_stime
:
8450 if (get_user_sal(host_time
, arg1
))
8452 ret
= get_errno(stime(&host_time
));
8456 case TARGET_NR_ptrace
:
8458 #ifdef TARGET_NR_alarm /* not on alpha */
8459 case TARGET_NR_alarm
:
8463 #ifdef TARGET_NR_oldfstat
8464 case TARGET_NR_oldfstat
:
8467 #ifdef TARGET_NR_pause /* not on alpha */
8468 case TARGET_NR_pause
:
8469 if (!block_signals()) {
8470 sigsuspend(&((TaskState
*)cpu
->opaque
)->signal_mask
);
8472 ret
= -TARGET_EINTR
;
8475 #ifdef TARGET_NR_utime
8476 case TARGET_NR_utime
:
8478 struct utimbuf tbuf
, *host_tbuf
;
8479 struct target_utimbuf
*target_tbuf
;
8481 if (!lock_user_struct(VERIFY_READ
, target_tbuf
, arg2
, 1))
8483 tbuf
.actime
= tswapal(target_tbuf
->actime
);
8484 tbuf
.modtime
= tswapal(target_tbuf
->modtime
);
8485 unlock_user_struct(target_tbuf
, arg2
, 0);
8490 if (!(p
= lock_user_string(arg1
)))
8492 ret
= get_errno(utime(p
, host_tbuf
));
8493 unlock_user(p
, arg1
, 0);
8497 #ifdef TARGET_NR_utimes
8498 case TARGET_NR_utimes
:
8500 struct timeval
*tvp
, tv
[2];
8502 if (copy_from_user_timeval(&tv
[0], arg2
)
8503 || copy_from_user_timeval(&tv
[1],
8504 arg2
+ sizeof(struct target_timeval
)))
8510 if (!(p
= lock_user_string(arg1
)))
8512 ret
= get_errno(utimes(p
, tvp
));
8513 unlock_user(p
, arg1
, 0);
8517 #if defined(TARGET_NR_futimesat)
8518 case TARGET_NR_futimesat
:
8520 struct timeval
*tvp
, tv
[2];
8522 if (copy_from_user_timeval(&tv
[0], arg3
)
8523 || copy_from_user_timeval(&tv
[1],
8524 arg3
+ sizeof(struct target_timeval
)))
8530 if (!(p
= lock_user_string(arg2
)))
8532 ret
= get_errno(futimesat(arg1
, path(p
), tvp
));
8533 unlock_user(p
, arg2
, 0);
8537 #ifdef TARGET_NR_stty
8538 case TARGET_NR_stty
:
8541 #ifdef TARGET_NR_gtty
8542 case TARGET_NR_gtty
:
8545 #ifdef TARGET_NR_access
8546 case TARGET_NR_access
:
8547 if (!(p
= lock_user_string(arg1
)))
8549 ret
= get_errno(access(path(p
), arg2
));
8550 unlock_user(p
, arg1
, 0);
8553 #if defined(TARGET_NR_faccessat) && defined(__NR_faccessat)
8554 case TARGET_NR_faccessat
:
8555 if (!(p
= lock_user_string(arg2
)))
8557 ret
= get_errno(faccessat(arg1
, p
, arg3
, 0));
8558 unlock_user(p
, arg2
, 0);
8561 #ifdef TARGET_NR_nice /* not on alpha */
8562 case TARGET_NR_nice
:
8563 ret
= get_errno(nice(arg1
));
8566 #ifdef TARGET_NR_ftime
8567 case TARGET_NR_ftime
:
8570 case TARGET_NR_sync
:
8574 #if defined(TARGET_NR_syncfs) && defined(CONFIG_SYNCFS)
8575 case TARGET_NR_syncfs
:
8576 ret
= get_errno(syncfs(arg1
));
8579 case TARGET_NR_kill
:
8580 ret
= get_errno(safe_kill(arg1
, target_to_host_signal(arg2
)));
8582 #ifdef TARGET_NR_rename
8583 case TARGET_NR_rename
:
8586 p
= lock_user_string(arg1
);
8587 p2
= lock_user_string(arg2
);
8589 ret
= -TARGET_EFAULT
;
8591 ret
= get_errno(rename(p
, p2
));
8592 unlock_user(p2
, arg2
, 0);
8593 unlock_user(p
, arg1
, 0);
8597 #if defined(TARGET_NR_renameat)
8598 case TARGET_NR_renameat
:
8601 p
= lock_user_string(arg2
);
8602 p2
= lock_user_string(arg4
);
8604 ret
= -TARGET_EFAULT
;
8606 ret
= get_errno(renameat(arg1
, p
, arg3
, p2
));
8607 unlock_user(p2
, arg4
, 0);
8608 unlock_user(p
, arg2
, 0);
8612 #if defined(TARGET_NR_renameat2)
8613 case TARGET_NR_renameat2
:
8616 p
= lock_user_string(arg2
);
8617 p2
= lock_user_string(arg4
);
8619 ret
= -TARGET_EFAULT
;
8621 ret
= get_errno(sys_renameat2(arg1
, p
, arg3
, p2
, arg5
));
8623 unlock_user(p2
, arg4
, 0);
8624 unlock_user(p
, arg2
, 0);
8628 #ifdef TARGET_NR_mkdir
8629 case TARGET_NR_mkdir
:
8630 if (!(p
= lock_user_string(arg1
)))
8632 ret
= get_errno(mkdir(p
, arg2
));
8633 unlock_user(p
, arg1
, 0);
8636 #if defined(TARGET_NR_mkdirat)
8637 case TARGET_NR_mkdirat
:
8638 if (!(p
= lock_user_string(arg2
)))
8640 ret
= get_errno(mkdirat(arg1
, p
, arg3
));
8641 unlock_user(p
, arg2
, 0);
8644 #ifdef TARGET_NR_rmdir
8645 case TARGET_NR_rmdir
:
8646 if (!(p
= lock_user_string(arg1
)))
8648 ret
= get_errno(rmdir(p
));
8649 unlock_user(p
, arg1
, 0);
8653 ret
= get_errno(dup(arg1
));
8655 fd_trans_dup(arg1
, ret
);
8658 #ifdef TARGET_NR_pipe
8659 case TARGET_NR_pipe
:
8660 ret
= do_pipe(cpu_env
, arg1
, 0, 0);
8663 #ifdef TARGET_NR_pipe2
8664 case TARGET_NR_pipe2
:
8665 ret
= do_pipe(cpu_env
, arg1
,
8666 target_to_host_bitmask(arg2
, fcntl_flags_tbl
), 1);
8669 case TARGET_NR_times
:
8671 struct target_tms
*tmsp
;
8673 ret
= get_errno(times(&tms
));
8675 tmsp
= lock_user(VERIFY_WRITE
, arg1
, sizeof(struct target_tms
), 0);
8678 tmsp
->tms_utime
= tswapal(host_to_target_clock_t(tms
.tms_utime
));
8679 tmsp
->tms_stime
= tswapal(host_to_target_clock_t(tms
.tms_stime
));
8680 tmsp
->tms_cutime
= tswapal(host_to_target_clock_t(tms
.tms_cutime
));
8681 tmsp
->tms_cstime
= tswapal(host_to_target_clock_t(tms
.tms_cstime
));
8684 ret
= host_to_target_clock_t(ret
);
8687 #ifdef TARGET_NR_prof
8688 case TARGET_NR_prof
:
8691 #ifdef TARGET_NR_signal
8692 case TARGET_NR_signal
:
8695 case TARGET_NR_acct
:
8697 ret
= get_errno(acct(NULL
));
8699 if (!(p
= lock_user_string(arg1
)))
8701 ret
= get_errno(acct(path(p
)));
8702 unlock_user(p
, arg1
, 0);
8705 #ifdef TARGET_NR_umount2
8706 case TARGET_NR_umount2
:
8707 if (!(p
= lock_user_string(arg1
)))
8709 ret
= get_errno(umount2(p
, arg2
));
8710 unlock_user(p
, arg1
, 0);
8713 #ifdef TARGET_NR_lock
8714 case TARGET_NR_lock
:
8717 case TARGET_NR_ioctl
:
8718 ret
= do_ioctl(arg1
, arg2
, arg3
);
8720 #ifdef TARGET_NR_fcntl
8721 case TARGET_NR_fcntl
:
8722 ret
= do_fcntl(arg1
, arg2
, arg3
);
8725 #ifdef TARGET_NR_mpx
8729 case TARGET_NR_setpgid
:
8730 ret
= get_errno(setpgid(arg1
, arg2
));
8732 #ifdef TARGET_NR_ulimit
8733 case TARGET_NR_ulimit
:
8736 #ifdef TARGET_NR_oldolduname
8737 case TARGET_NR_oldolduname
:
8740 case TARGET_NR_umask
:
8741 ret
= get_errno(umask(arg1
));
8743 case TARGET_NR_chroot
:
8744 if (!(p
= lock_user_string(arg1
)))
8746 ret
= get_errno(chroot(p
));
8747 unlock_user(p
, arg1
, 0);
8749 #ifdef TARGET_NR_ustat
8750 case TARGET_NR_ustat
:
8753 #ifdef TARGET_NR_dup2
8754 case TARGET_NR_dup2
:
8755 ret
= get_errno(dup2(arg1
, arg2
));
8757 fd_trans_dup(arg1
, arg2
);
8761 #if defined(CONFIG_DUP3) && defined(TARGET_NR_dup3)
8762 case TARGET_NR_dup3
:
8766 if ((arg3
& ~TARGET_O_CLOEXEC
) != 0) {
8769 host_flags
= target_to_host_bitmask(arg3
, fcntl_flags_tbl
);
8770 ret
= get_errno(dup3(arg1
, arg2
, host_flags
));
8772 fd_trans_dup(arg1
, arg2
);
8777 #ifdef TARGET_NR_getppid /* not on alpha */
8778 case TARGET_NR_getppid
:
8779 ret
= get_errno(getppid());
8782 #ifdef TARGET_NR_getpgrp
8783 case TARGET_NR_getpgrp
:
8784 ret
= get_errno(getpgrp());
8787 case TARGET_NR_setsid
:
8788 ret
= get_errno(setsid());
8790 #ifdef TARGET_NR_sigaction
8791 case TARGET_NR_sigaction
:
8793 #if defined(TARGET_ALPHA)
8794 struct target_sigaction act
, oact
, *pact
= 0;
8795 struct target_old_sigaction
*old_act
;
8797 if (!lock_user_struct(VERIFY_READ
, old_act
, arg2
, 1))
8799 act
._sa_handler
= old_act
->_sa_handler
;
8800 target_siginitset(&act
.sa_mask
, old_act
->sa_mask
);
8801 act
.sa_flags
= old_act
->sa_flags
;
8802 act
.sa_restorer
= 0;
8803 unlock_user_struct(old_act
, arg2
, 0);
8806 ret
= get_errno(do_sigaction(arg1
, pact
, &oact
));
8807 if (!is_error(ret
) && arg3
) {
8808 if (!lock_user_struct(VERIFY_WRITE
, old_act
, arg3
, 0))
8810 old_act
->_sa_handler
= oact
._sa_handler
;
8811 old_act
->sa_mask
= oact
.sa_mask
.sig
[0];
8812 old_act
->sa_flags
= oact
.sa_flags
;
8813 unlock_user_struct(old_act
, arg3
, 1);
8815 #elif defined(TARGET_MIPS)
8816 struct target_sigaction act
, oact
, *pact
, *old_act
;
8819 if (!lock_user_struct(VERIFY_READ
, old_act
, arg2
, 1))
8821 act
._sa_handler
= old_act
->_sa_handler
;
8822 target_siginitset(&act
.sa_mask
, old_act
->sa_mask
.sig
[0]);
8823 act
.sa_flags
= old_act
->sa_flags
;
8824 unlock_user_struct(old_act
, arg2
, 0);
8830 ret
= get_errno(do_sigaction(arg1
, pact
, &oact
));
8832 if (!is_error(ret
) && arg3
) {
8833 if (!lock_user_struct(VERIFY_WRITE
, old_act
, arg3
, 0))
8835 old_act
->_sa_handler
= oact
._sa_handler
;
8836 old_act
->sa_flags
= oact
.sa_flags
;
8837 old_act
->sa_mask
.sig
[0] = oact
.sa_mask
.sig
[0];
8838 old_act
->sa_mask
.sig
[1] = 0;
8839 old_act
->sa_mask
.sig
[2] = 0;
8840 old_act
->sa_mask
.sig
[3] = 0;
8841 unlock_user_struct(old_act
, arg3
, 1);
8844 struct target_old_sigaction
*old_act
;
8845 struct target_sigaction act
, oact
, *pact
;
8847 if (!lock_user_struct(VERIFY_READ
, old_act
, arg2
, 1))
8849 act
._sa_handler
= old_act
->_sa_handler
;
8850 target_siginitset(&act
.sa_mask
, old_act
->sa_mask
);
8851 act
.sa_flags
= old_act
->sa_flags
;
8852 act
.sa_restorer
= old_act
->sa_restorer
;
8853 #ifdef TARGET_ARCH_HAS_KA_RESTORER
8854 act
.ka_restorer
= 0;
8856 unlock_user_struct(old_act
, arg2
, 0);
8861 ret
= get_errno(do_sigaction(arg1
, pact
, &oact
));
8862 if (!is_error(ret
) && arg3
) {
8863 if (!lock_user_struct(VERIFY_WRITE
, old_act
, arg3
, 0))
8865 old_act
->_sa_handler
= oact
._sa_handler
;
8866 old_act
->sa_mask
= oact
.sa_mask
.sig
[0];
8867 old_act
->sa_flags
= oact
.sa_flags
;
8868 old_act
->sa_restorer
= oact
.sa_restorer
;
8869 unlock_user_struct(old_act
, arg3
, 1);
8875 case TARGET_NR_rt_sigaction
:
8877 #if defined(TARGET_ALPHA)
8878 /* For Alpha and SPARC this is a 5 argument syscall, with
8879 * a 'restorer' parameter which must be copied into the
8880 * sa_restorer field of the sigaction struct.
8881 * For Alpha that 'restorer' is arg5; for SPARC it is arg4,
8882 * and arg5 is the sigsetsize.
8883 * Alpha also has a separate rt_sigaction struct that it uses
8884 * here; SPARC uses the usual sigaction struct.
8886 struct target_rt_sigaction
*rt_act
;
8887 struct target_sigaction act
, oact
, *pact
= 0;
8889 if (arg4
!= sizeof(target_sigset_t
)) {
8890 ret
= -TARGET_EINVAL
;
8894 if (!lock_user_struct(VERIFY_READ
, rt_act
, arg2
, 1))
8896 act
._sa_handler
= rt_act
->_sa_handler
;
8897 act
.sa_mask
= rt_act
->sa_mask
;
8898 act
.sa_flags
= rt_act
->sa_flags
;
8899 act
.sa_restorer
= arg5
;
8900 unlock_user_struct(rt_act
, arg2
, 0);
8903 ret
= get_errno(do_sigaction(arg1
, pact
, &oact
));
8904 if (!is_error(ret
) && arg3
) {
8905 if (!lock_user_struct(VERIFY_WRITE
, rt_act
, arg3
, 0))
8907 rt_act
->_sa_handler
= oact
._sa_handler
;
8908 rt_act
->sa_mask
= oact
.sa_mask
;
8909 rt_act
->sa_flags
= oact
.sa_flags
;
8910 unlock_user_struct(rt_act
, arg3
, 1);
8914 target_ulong restorer
= arg4
;
8915 target_ulong sigsetsize
= arg5
;
8917 target_ulong sigsetsize
= arg4
;
8919 struct target_sigaction
*act
;
8920 struct target_sigaction
*oact
;
8922 if (sigsetsize
!= sizeof(target_sigset_t
)) {
8923 ret
= -TARGET_EINVAL
;
8927 if (!lock_user_struct(VERIFY_READ
, act
, arg2
, 1)) {
8930 #ifdef TARGET_ARCH_HAS_KA_RESTORER
8931 act
->ka_restorer
= restorer
;
8937 if (!lock_user_struct(VERIFY_WRITE
, oact
, arg3
, 0)) {
8938 ret
= -TARGET_EFAULT
;
8939 goto rt_sigaction_fail
;
8943 ret
= get_errno(do_sigaction(arg1
, act
, oact
));
8946 unlock_user_struct(act
, arg2
, 0);
8948 unlock_user_struct(oact
, arg3
, 1);
8952 #ifdef TARGET_NR_sgetmask /* not on alpha */
8953 case TARGET_NR_sgetmask
:
8956 abi_ulong target_set
;
8957 ret
= do_sigprocmask(0, NULL
, &cur_set
);
8959 host_to_target_old_sigset(&target_set
, &cur_set
);
8965 #ifdef TARGET_NR_ssetmask /* not on alpha */
8966 case TARGET_NR_ssetmask
:
8969 abi_ulong target_set
= arg1
;
8970 target_to_host_old_sigset(&set
, &target_set
);
8971 ret
= do_sigprocmask(SIG_SETMASK
, &set
, &oset
);
8973 host_to_target_old_sigset(&target_set
, &oset
);
8979 #ifdef TARGET_NR_sigprocmask
8980 case TARGET_NR_sigprocmask
:
8982 #if defined(TARGET_ALPHA)
8983 sigset_t set
, oldset
;
8988 case TARGET_SIG_BLOCK
:
8991 case TARGET_SIG_UNBLOCK
:
8994 case TARGET_SIG_SETMASK
:
8998 ret
= -TARGET_EINVAL
;
9002 target_to_host_old_sigset(&set
, &mask
);
9004 ret
= do_sigprocmask(how
, &set
, &oldset
);
9005 if (!is_error(ret
)) {
9006 host_to_target_old_sigset(&mask
, &oldset
);
9008 ((CPUAlphaState
*)cpu_env
)->ir
[IR_V0
] = 0; /* force no error */
9011 sigset_t set
, oldset
, *set_ptr
;
9016 case TARGET_SIG_BLOCK
:
9019 case TARGET_SIG_UNBLOCK
:
9022 case TARGET_SIG_SETMASK
:
9026 ret
= -TARGET_EINVAL
;
9029 if (!(p
= lock_user(VERIFY_READ
, arg2
, sizeof(target_sigset_t
), 1)))
9031 target_to_host_old_sigset(&set
, p
);
9032 unlock_user(p
, arg2
, 0);
9038 ret
= do_sigprocmask(how
, set_ptr
, &oldset
);
9039 if (!is_error(ret
) && arg3
) {
9040 if (!(p
= lock_user(VERIFY_WRITE
, arg3
, sizeof(target_sigset_t
), 0)))
9042 host_to_target_old_sigset(p
, &oldset
);
9043 unlock_user(p
, arg3
, sizeof(target_sigset_t
));
9049 case TARGET_NR_rt_sigprocmask
:
9052 sigset_t set
, oldset
, *set_ptr
;
9054 if (arg4
!= sizeof(target_sigset_t
)) {
9055 ret
= -TARGET_EINVAL
;
9061 case TARGET_SIG_BLOCK
:
9064 case TARGET_SIG_UNBLOCK
:
9067 case TARGET_SIG_SETMASK
:
9071 ret
= -TARGET_EINVAL
;
9074 if (!(p
= lock_user(VERIFY_READ
, arg2
, sizeof(target_sigset_t
), 1)))
9076 target_to_host_sigset(&set
, p
);
9077 unlock_user(p
, arg2
, 0);
9083 ret
= do_sigprocmask(how
, set_ptr
, &oldset
);
9084 if (!is_error(ret
) && arg3
) {
9085 if (!(p
= lock_user(VERIFY_WRITE
, arg3
, sizeof(target_sigset_t
), 0)))
9087 host_to_target_sigset(p
, &oldset
);
9088 unlock_user(p
, arg3
, sizeof(target_sigset_t
));
9092 #ifdef TARGET_NR_sigpending
9093 case TARGET_NR_sigpending
:
9096 ret
= get_errno(sigpending(&set
));
9097 if (!is_error(ret
)) {
9098 if (!(p
= lock_user(VERIFY_WRITE
, arg1
, sizeof(target_sigset_t
), 0)))
9100 host_to_target_old_sigset(p
, &set
);
9101 unlock_user(p
, arg1
, sizeof(target_sigset_t
));
9106 case TARGET_NR_rt_sigpending
:
9110 /* Yes, this check is >, not != like most. We follow the kernel's
9111 * logic and it does it like this because it implements
9112 * NR_sigpending through the same code path, and in that case
9113 * the old_sigset_t is smaller in size.
9115 if (arg2
> sizeof(target_sigset_t
)) {
9116 ret
= -TARGET_EINVAL
;
9120 ret
= get_errno(sigpending(&set
));
9121 if (!is_error(ret
)) {
9122 if (!(p
= lock_user(VERIFY_WRITE
, arg1
, sizeof(target_sigset_t
), 0)))
9124 host_to_target_sigset(p
, &set
);
9125 unlock_user(p
, arg1
, sizeof(target_sigset_t
));
9129 #ifdef TARGET_NR_sigsuspend
9130 case TARGET_NR_sigsuspend
:
9132 TaskState
*ts
= cpu
->opaque
;
9133 #if defined(TARGET_ALPHA)
9134 abi_ulong mask
= arg1
;
9135 target_to_host_old_sigset(&ts
->sigsuspend_mask
, &mask
);
9137 if (!(p
= lock_user(VERIFY_READ
, arg1
, sizeof(target_sigset_t
), 1)))
9139 target_to_host_old_sigset(&ts
->sigsuspend_mask
, p
);
9140 unlock_user(p
, arg1
, 0);
9142 ret
= get_errno(safe_rt_sigsuspend(&ts
->sigsuspend_mask
,
9144 if (ret
!= -TARGET_ERESTARTSYS
) {
9145 ts
->in_sigsuspend
= 1;
9150 case TARGET_NR_rt_sigsuspend
:
9152 TaskState
*ts
= cpu
->opaque
;
9154 if (arg2
!= sizeof(target_sigset_t
)) {
9155 ret
= -TARGET_EINVAL
;
9158 if (!(p
= lock_user(VERIFY_READ
, arg1
, sizeof(target_sigset_t
), 1)))
9160 target_to_host_sigset(&ts
->sigsuspend_mask
, p
);
9161 unlock_user(p
, arg1
, 0);
9162 ret
= get_errno(safe_rt_sigsuspend(&ts
->sigsuspend_mask
,
9164 if (ret
!= -TARGET_ERESTARTSYS
) {
9165 ts
->in_sigsuspend
= 1;
9169 case TARGET_NR_rt_sigtimedwait
:
9172 struct timespec uts
, *puts
;
9175 if (arg4
!= sizeof(target_sigset_t
)) {
9176 ret
= -TARGET_EINVAL
;
9180 if (!(p
= lock_user(VERIFY_READ
, arg1
, sizeof(target_sigset_t
), 1)))
9182 target_to_host_sigset(&set
, p
);
9183 unlock_user(p
, arg1
, 0);
9186 target_to_host_timespec(puts
, arg3
);
9190 ret
= get_errno(safe_rt_sigtimedwait(&set
, &uinfo
, puts
,
9192 if (!is_error(ret
)) {
9194 p
= lock_user(VERIFY_WRITE
, arg2
, sizeof(target_siginfo_t
),
9199 host_to_target_siginfo(p
, &uinfo
);
9200 unlock_user(p
, arg2
, sizeof(target_siginfo_t
));
9202 ret
= host_to_target_signal(ret
);
9206 case TARGET_NR_rt_sigqueueinfo
:
9210 p
= lock_user(VERIFY_READ
, arg3
, sizeof(target_siginfo_t
), 1);
9214 target_to_host_siginfo(&uinfo
, p
);
9215 unlock_user(p
, arg3
, 0);
9216 ret
= get_errno(sys_rt_sigqueueinfo(arg1
, arg2
, &uinfo
));
9219 case TARGET_NR_rt_tgsigqueueinfo
:
9223 p
= lock_user(VERIFY_READ
, arg4
, sizeof(target_siginfo_t
), 1);
9227 target_to_host_siginfo(&uinfo
, p
);
9228 unlock_user(p
, arg4
, 0);
9229 ret
= get_errno(sys_rt_tgsigqueueinfo(arg1
, arg2
, arg3
, &uinfo
));
9232 #ifdef TARGET_NR_sigreturn
9233 case TARGET_NR_sigreturn
:
9234 if (block_signals()) {
9235 ret
= -TARGET_ERESTARTSYS
;
9237 ret
= do_sigreturn(cpu_env
);
9241 case TARGET_NR_rt_sigreturn
:
9242 if (block_signals()) {
9243 ret
= -TARGET_ERESTARTSYS
;
9245 ret
= do_rt_sigreturn(cpu_env
);
9248 case TARGET_NR_sethostname
:
9249 if (!(p
= lock_user_string(arg1
)))
9251 ret
= get_errno(sethostname(p
, arg2
));
9252 unlock_user(p
, arg1
, 0);
9254 case TARGET_NR_setrlimit
:
9256 int resource
= target_to_host_resource(arg1
);
9257 struct target_rlimit
*target_rlim
;
9259 if (!lock_user_struct(VERIFY_READ
, target_rlim
, arg2
, 1))
9261 rlim
.rlim_cur
= target_to_host_rlim(target_rlim
->rlim_cur
);
9262 rlim
.rlim_max
= target_to_host_rlim(target_rlim
->rlim_max
);
9263 unlock_user_struct(target_rlim
, arg2
, 0);
9264 ret
= get_errno(setrlimit(resource
, &rlim
));
9267 case TARGET_NR_getrlimit
:
9269 int resource
= target_to_host_resource(arg1
);
9270 struct target_rlimit
*target_rlim
;
9273 ret
= get_errno(getrlimit(resource
, &rlim
));
9274 if (!is_error(ret
)) {
9275 if (!lock_user_struct(VERIFY_WRITE
, target_rlim
, arg2
, 0))
9277 target_rlim
->rlim_cur
= host_to_target_rlim(rlim
.rlim_cur
);
9278 target_rlim
->rlim_max
= host_to_target_rlim(rlim
.rlim_max
);
9279 unlock_user_struct(target_rlim
, arg2
, 1);
9283 case TARGET_NR_getrusage
:
9285 struct rusage rusage
;
9286 ret
= get_errno(getrusage(arg1
, &rusage
));
9287 if (!is_error(ret
)) {
9288 ret
= host_to_target_rusage(arg2
, &rusage
);
9292 case TARGET_NR_gettimeofday
:
9295 ret
= get_errno(gettimeofday(&tv
, NULL
));
9296 if (!is_error(ret
)) {
9297 if (copy_to_user_timeval(arg1
, &tv
))
9302 case TARGET_NR_settimeofday
:
9304 struct timeval tv
, *ptv
= NULL
;
9305 struct timezone tz
, *ptz
= NULL
;
9308 if (copy_from_user_timeval(&tv
, arg1
)) {
9315 if (copy_from_user_timezone(&tz
, arg2
)) {
9321 ret
= get_errno(settimeofday(ptv
, ptz
));
9324 #if defined(TARGET_NR_select)
9325 case TARGET_NR_select
:
9326 #if defined(TARGET_WANT_NI_OLD_SELECT)
9327 /* some architectures used to have old_select here
9328 * but now ENOSYS it.
9330 ret
= -TARGET_ENOSYS
;
9331 #elif defined(TARGET_WANT_OLD_SYS_SELECT)
9332 ret
= do_old_select(arg1
);
9334 ret
= do_select(arg1
, arg2
, arg3
, arg4
, arg5
);
9338 #ifdef TARGET_NR_pselect6
9339 case TARGET_NR_pselect6
:
9341 abi_long rfd_addr
, wfd_addr
, efd_addr
, n
, ts_addr
;
9342 fd_set rfds
, wfds
, efds
;
9343 fd_set
*rfds_ptr
, *wfds_ptr
, *efds_ptr
;
9344 struct timespec ts
, *ts_ptr
;
9347 * The 6th arg is actually two args smashed together,
9348 * so we cannot use the C library.
9356 abi_ulong arg_sigset
, arg_sigsize
, *arg7
;
9357 target_sigset_t
*target_sigset
;
9365 ret
= copy_from_user_fdset_ptr(&rfds
, &rfds_ptr
, rfd_addr
, n
);
9369 ret
= copy_from_user_fdset_ptr(&wfds
, &wfds_ptr
, wfd_addr
, n
);
9373 ret
= copy_from_user_fdset_ptr(&efds
, &efds_ptr
, efd_addr
, n
);
9379 * This takes a timespec, and not a timeval, so we cannot
9380 * use the do_select() helper ...
9383 if (target_to_host_timespec(&ts
, ts_addr
)) {
9391 /* Extract the two packed args for the sigset */
9394 sig
.size
= SIGSET_T_SIZE
;
9396 arg7
= lock_user(VERIFY_READ
, arg6
, sizeof(*arg7
) * 2, 1);
9400 arg_sigset
= tswapal(arg7
[0]);
9401 arg_sigsize
= tswapal(arg7
[1]);
9402 unlock_user(arg7
, arg6
, 0);
9406 if (arg_sigsize
!= sizeof(*target_sigset
)) {
9407 /* Like the kernel, we enforce correct size sigsets */
9408 ret
= -TARGET_EINVAL
;
9411 target_sigset
= lock_user(VERIFY_READ
, arg_sigset
,
9412 sizeof(*target_sigset
), 1);
9413 if (!target_sigset
) {
9416 target_to_host_sigset(&set
, target_sigset
);
9417 unlock_user(target_sigset
, arg_sigset
, 0);
9425 ret
= get_errno(safe_pselect6(n
, rfds_ptr
, wfds_ptr
, efds_ptr
,
9428 if (!is_error(ret
)) {
9429 if (rfd_addr
&& copy_to_user_fdset(rfd_addr
, &rfds
, n
))
9431 if (wfd_addr
&& copy_to_user_fdset(wfd_addr
, &wfds
, n
))
9433 if (efd_addr
&& copy_to_user_fdset(efd_addr
, &efds
, n
))
9436 if (ts_addr
&& host_to_target_timespec(ts_addr
, &ts
))
9442 #ifdef TARGET_NR_symlink
9443 case TARGET_NR_symlink
:
9446 p
= lock_user_string(arg1
);
9447 p2
= lock_user_string(arg2
);
9449 ret
= -TARGET_EFAULT
;
9451 ret
= get_errno(symlink(p
, p2
));
9452 unlock_user(p2
, arg2
, 0);
9453 unlock_user(p
, arg1
, 0);
9457 #if defined(TARGET_NR_symlinkat)
9458 case TARGET_NR_symlinkat
:
9461 p
= lock_user_string(arg1
);
9462 p2
= lock_user_string(arg3
);
9464 ret
= -TARGET_EFAULT
;
9466 ret
= get_errno(symlinkat(p
, arg2
, p2
));
9467 unlock_user(p2
, arg3
, 0);
9468 unlock_user(p
, arg1
, 0);
9472 #ifdef TARGET_NR_oldlstat
9473 case TARGET_NR_oldlstat
:
9476 #ifdef TARGET_NR_readlink
9477 case TARGET_NR_readlink
:
9480 p
= lock_user_string(arg1
);
9481 p2
= lock_user(VERIFY_WRITE
, arg2
, arg3
, 0);
9483 ret
= -TARGET_EFAULT
;
9485 /* Short circuit this for the magic exe check. */
9486 ret
= -TARGET_EINVAL
;
9487 } else if (is_proc_myself((const char *)p
, "exe")) {
9488 char real
[PATH_MAX
], *temp
;
9489 temp
= realpath(exec_path
, real
);
9490 /* Return value is # of bytes that we wrote to the buffer. */
9492 ret
= get_errno(-1);
9494 /* Don't worry about sign mismatch as earlier mapping
9495 * logic would have thrown a bad address error. */
9496 ret
= MIN(strlen(real
), arg3
);
9497 /* We cannot NUL terminate the string. */
9498 memcpy(p2
, real
, ret
);
9501 ret
= get_errno(readlink(path(p
), p2
, arg3
));
9503 unlock_user(p2
, arg2
, ret
);
9504 unlock_user(p
, arg1
, 0);
9508 #if defined(TARGET_NR_readlinkat)
9509 case TARGET_NR_readlinkat
:
9512 p
= lock_user_string(arg2
);
9513 p2
= lock_user(VERIFY_WRITE
, arg3
, arg4
, 0);
9515 ret
= -TARGET_EFAULT
;
9516 } else if (is_proc_myself((const char *)p
, "exe")) {
9517 char real
[PATH_MAX
], *temp
;
9518 temp
= realpath(exec_path
, real
);
9519 ret
= temp
== NULL
? get_errno(-1) : strlen(real
) ;
9520 snprintf((char *)p2
, arg4
, "%s", real
);
9522 ret
= get_errno(readlinkat(arg1
, path(p
), p2
, arg4
));
9524 unlock_user(p2
, arg3
, ret
);
9525 unlock_user(p
, arg2
, 0);
9529 #ifdef TARGET_NR_uselib
9530 case TARGET_NR_uselib
:
9533 #ifdef TARGET_NR_swapon
9534 case TARGET_NR_swapon
:
9535 if (!(p
= lock_user_string(arg1
)))
9537 ret
= get_errno(swapon(p
, arg2
));
9538 unlock_user(p
, arg1
, 0);
9541 case TARGET_NR_reboot
:
9542 if (arg3
== LINUX_REBOOT_CMD_RESTART2
) {
9543 /* arg4 must be ignored in all other cases */
9544 p
= lock_user_string(arg4
);
9548 ret
= get_errno(reboot(arg1
, arg2
, arg3
, p
));
9549 unlock_user(p
, arg4
, 0);
9551 ret
= get_errno(reboot(arg1
, arg2
, arg3
, NULL
));
9554 #ifdef TARGET_NR_readdir
9555 case TARGET_NR_readdir
:
9558 #ifdef TARGET_NR_mmap
9559 case TARGET_NR_mmap
:
9560 #if (defined(TARGET_I386) && defined(TARGET_ABI32)) || \
9561 (defined(TARGET_ARM) && defined(TARGET_ABI32)) || \
9562 defined(TARGET_M68K) || defined(TARGET_CRIS) || defined(TARGET_MICROBLAZE) \
9563 || defined(TARGET_S390X)
9566 abi_ulong v1
, v2
, v3
, v4
, v5
, v6
;
9567 if (!(v
= lock_user(VERIFY_READ
, arg1
, 6 * sizeof(abi_ulong
), 1)))
9575 unlock_user(v
, arg1
, 0);
9576 ret
= get_errno(target_mmap(v1
, v2
, v3
,
9577 target_to_host_bitmask(v4
, mmap_flags_tbl
),
9581 ret
= get_errno(target_mmap(arg1
, arg2
, arg3
,
9582 target_to_host_bitmask(arg4
, mmap_flags_tbl
),
9588 #ifdef TARGET_NR_mmap2
9589 case TARGET_NR_mmap2
:
9591 #define MMAP_SHIFT 12
9593 ret
= get_errno(target_mmap(arg1
, arg2
, arg3
,
9594 target_to_host_bitmask(arg4
, mmap_flags_tbl
),
9596 arg6
<< MMAP_SHIFT
));
9599 case TARGET_NR_munmap
:
9600 ret
= get_errno(target_munmap(arg1
, arg2
));
9602 case TARGET_NR_mprotect
:
9604 TaskState
*ts
= cpu
->opaque
;
9605 /* Special hack to detect libc making the stack executable. */
9606 if ((arg3
& PROT_GROWSDOWN
)
9607 && arg1
>= ts
->info
->stack_limit
9608 && arg1
<= ts
->info
->start_stack
) {
9609 arg3
&= ~PROT_GROWSDOWN
;
9610 arg2
= arg2
+ arg1
- ts
->info
->stack_limit
;
9611 arg1
= ts
->info
->stack_limit
;
9614 ret
= get_errno(target_mprotect(arg1
, arg2
, arg3
));
9616 #ifdef TARGET_NR_mremap
9617 case TARGET_NR_mremap
:
9618 ret
= get_errno(target_mremap(arg1
, arg2
, arg3
, arg4
, arg5
));
9621 /* ??? msync/mlock/munlock are broken for softmmu. */
9622 #ifdef TARGET_NR_msync
9623 case TARGET_NR_msync
:
9624 ret
= get_errno(msync(g2h(arg1
), arg2
, arg3
));
9627 #ifdef TARGET_NR_mlock
9628 case TARGET_NR_mlock
:
9629 ret
= get_errno(mlock(g2h(arg1
), arg2
));
9632 #ifdef TARGET_NR_munlock
9633 case TARGET_NR_munlock
:
9634 ret
= get_errno(munlock(g2h(arg1
), arg2
));
9637 #ifdef TARGET_NR_mlockall
9638 case TARGET_NR_mlockall
:
9639 ret
= get_errno(mlockall(target_to_host_mlockall_arg(arg1
)));
9642 #ifdef TARGET_NR_munlockall
9643 case TARGET_NR_munlockall
:
9644 ret
= get_errno(munlockall());
9647 case TARGET_NR_truncate
:
9648 if (!(p
= lock_user_string(arg1
)))
9650 ret
= get_errno(truncate(p
, arg2
));
9651 unlock_user(p
, arg1
, 0);
9653 case TARGET_NR_ftruncate
:
9654 ret
= get_errno(ftruncate(arg1
, arg2
));
9656 case TARGET_NR_fchmod
:
9657 ret
= get_errno(fchmod(arg1
, arg2
));
9659 #if defined(TARGET_NR_fchmodat)
9660 case TARGET_NR_fchmodat
:
9661 if (!(p
= lock_user_string(arg2
)))
9663 ret
= get_errno(fchmodat(arg1
, p
, arg3
, 0));
9664 unlock_user(p
, arg2
, 0);
9667 case TARGET_NR_getpriority
:
9668 /* Note that negative values are valid for getpriority, so we must
9669 differentiate based on errno settings. */
9671 ret
= getpriority(arg1
, arg2
);
9672 if (ret
== -1 && errno
!= 0) {
9673 ret
= -host_to_target_errno(errno
);
9677 /* Return value is the unbiased priority. Signal no error. */
9678 ((CPUAlphaState
*)cpu_env
)->ir
[IR_V0
] = 0;
9680 /* Return value is a biased priority to avoid negative numbers. */
9684 case TARGET_NR_setpriority
:
9685 ret
= get_errno(setpriority(arg1
, arg2
, arg3
));
9687 #ifdef TARGET_NR_profil
9688 case TARGET_NR_profil
:
9691 case TARGET_NR_statfs
:
9692 if (!(p
= lock_user_string(arg1
)))
9694 ret
= get_errno(statfs(path(p
), &stfs
));
9695 unlock_user(p
, arg1
, 0);
9697 if (!is_error(ret
)) {
9698 struct target_statfs
*target_stfs
;
9700 if (!lock_user_struct(VERIFY_WRITE
, target_stfs
, arg2
, 0))
9702 __put_user(stfs
.f_type
, &target_stfs
->f_type
);
9703 __put_user(stfs
.f_bsize
, &target_stfs
->f_bsize
);
9704 __put_user(stfs
.f_blocks
, &target_stfs
->f_blocks
);
9705 __put_user(stfs
.f_bfree
, &target_stfs
->f_bfree
);
9706 __put_user(stfs
.f_bavail
, &target_stfs
->f_bavail
);
9707 __put_user(stfs
.f_files
, &target_stfs
->f_files
);
9708 __put_user(stfs
.f_ffree
, &target_stfs
->f_ffree
);
9709 __put_user(stfs
.f_fsid
.__val
[0], &target_stfs
->f_fsid
.val
[0]);
9710 __put_user(stfs
.f_fsid
.__val
[1], &target_stfs
->f_fsid
.val
[1]);
9711 __put_user(stfs
.f_namelen
, &target_stfs
->f_namelen
);
9712 __put_user(stfs
.f_frsize
, &target_stfs
->f_frsize
);
9713 #ifdef _STATFS_F_FLAGS
9714 __put_user(stfs
.f_flags
, &target_stfs
->f_flags
);
9716 __put_user(0, &target_stfs
->f_flags
);
9718 memset(target_stfs
->f_spare
, 0, sizeof(target_stfs
->f_spare
));
9719 unlock_user_struct(target_stfs
, arg2
, 1);
9722 case TARGET_NR_fstatfs
:
9723 ret
= get_errno(fstatfs(arg1
, &stfs
));
9724 goto convert_statfs
;
9725 #ifdef TARGET_NR_statfs64
9726 case TARGET_NR_statfs64
:
9727 if (!(p
= lock_user_string(arg1
)))
9729 ret
= get_errno(statfs(path(p
), &stfs
));
9730 unlock_user(p
, arg1
, 0);
9732 if (!is_error(ret
)) {
9733 struct target_statfs64
*target_stfs
;
9735 if (!lock_user_struct(VERIFY_WRITE
, target_stfs
, arg3
, 0))
9737 __put_user(stfs
.f_type
, &target_stfs
->f_type
);
9738 __put_user(stfs
.f_bsize
, &target_stfs
->f_bsize
);
9739 __put_user(stfs
.f_blocks
, &target_stfs
->f_blocks
);
9740 __put_user(stfs
.f_bfree
, &target_stfs
->f_bfree
);
9741 __put_user(stfs
.f_bavail
, &target_stfs
->f_bavail
);
9742 __put_user(stfs
.f_files
, &target_stfs
->f_files
);
9743 __put_user(stfs
.f_ffree
, &target_stfs
->f_ffree
);
9744 __put_user(stfs
.f_fsid
.__val
[0], &target_stfs
->f_fsid
.val
[0]);
9745 __put_user(stfs
.f_fsid
.__val
[1], &target_stfs
->f_fsid
.val
[1]);
9746 __put_user(stfs
.f_namelen
, &target_stfs
->f_namelen
);
9747 __put_user(stfs
.f_frsize
, &target_stfs
->f_frsize
);
9748 memset(target_stfs
->f_spare
, 0, sizeof(target_stfs
->f_spare
));
9749 unlock_user_struct(target_stfs
, arg3
, 1);
9752 case TARGET_NR_fstatfs64
:
9753 ret
= get_errno(fstatfs(arg1
, &stfs
));
9754 goto convert_statfs64
;
9756 #ifdef TARGET_NR_ioperm
9757 case TARGET_NR_ioperm
:
9760 #ifdef TARGET_NR_socketcall
9761 case TARGET_NR_socketcall
:
9762 ret
= do_socketcall(arg1
, arg2
);
9765 #ifdef TARGET_NR_accept
9766 case TARGET_NR_accept
:
9767 ret
= do_accept4(arg1
, arg2
, arg3
, 0);
9770 #ifdef TARGET_NR_accept4
9771 case TARGET_NR_accept4
:
9772 ret
= do_accept4(arg1
, arg2
, arg3
, arg4
);
9775 #ifdef TARGET_NR_bind
9776 case TARGET_NR_bind
:
9777 ret
= do_bind(arg1
, arg2
, arg3
);
9780 #ifdef TARGET_NR_connect
9781 case TARGET_NR_connect
:
9782 ret
= do_connect(arg1
, arg2
, arg3
);
9785 #ifdef TARGET_NR_getpeername
9786 case TARGET_NR_getpeername
:
9787 ret
= do_getpeername(arg1
, arg2
, arg3
);
9790 #ifdef TARGET_NR_getsockname
9791 case TARGET_NR_getsockname
:
9792 ret
= do_getsockname(arg1
, arg2
, arg3
);
9795 #ifdef TARGET_NR_getsockopt
9796 case TARGET_NR_getsockopt
:
9797 ret
= do_getsockopt(arg1
, arg2
, arg3
, arg4
, arg5
);
9800 #ifdef TARGET_NR_listen
9801 case TARGET_NR_listen
:
9802 ret
= get_errno(listen(arg1
, arg2
));
9805 #ifdef TARGET_NR_recv
9806 case TARGET_NR_recv
:
9807 ret
= do_recvfrom(arg1
, arg2
, arg3
, arg4
, 0, 0);
9810 #ifdef TARGET_NR_recvfrom
9811 case TARGET_NR_recvfrom
:
9812 ret
= do_recvfrom(arg1
, arg2
, arg3
, arg4
, arg5
, arg6
);
9815 #ifdef TARGET_NR_recvmsg
9816 case TARGET_NR_recvmsg
:
9817 ret
= do_sendrecvmsg(arg1
, arg2
, arg3
, 0);
9820 #ifdef TARGET_NR_send
9821 case TARGET_NR_send
:
9822 ret
= do_sendto(arg1
, arg2
, arg3
, arg4
, 0, 0);
9825 #ifdef TARGET_NR_sendmsg
9826 case TARGET_NR_sendmsg
:
9827 ret
= do_sendrecvmsg(arg1
, arg2
, arg3
, 1);
9830 #ifdef TARGET_NR_sendmmsg
9831 case TARGET_NR_sendmmsg
:
9832 ret
= do_sendrecvmmsg(arg1
, arg2
, arg3
, arg4
, 1);
9834 case TARGET_NR_recvmmsg
:
9835 ret
= do_sendrecvmmsg(arg1
, arg2
, arg3
, arg4
, 0);
9838 #ifdef TARGET_NR_sendto
9839 case TARGET_NR_sendto
:
9840 ret
= do_sendto(arg1
, arg2
, arg3
, arg4
, arg5
, arg6
);
9843 #ifdef TARGET_NR_shutdown
9844 case TARGET_NR_shutdown
:
9845 ret
= get_errno(shutdown(arg1
, arg2
));
9848 #if defined(TARGET_NR_getrandom) && defined(__NR_getrandom)
9849 case TARGET_NR_getrandom
:
9850 p
= lock_user(VERIFY_WRITE
, arg1
, arg2
, 0);
9854 ret
= get_errno(getrandom(p
, arg2
, arg3
));
9855 unlock_user(p
, arg1
, ret
);
9858 #ifdef TARGET_NR_socket
9859 case TARGET_NR_socket
:
9860 ret
= do_socket(arg1
, arg2
, arg3
);
9863 #ifdef TARGET_NR_socketpair
9864 case TARGET_NR_socketpair
:
9865 ret
= do_socketpair(arg1
, arg2
, arg3
, arg4
);
9868 #ifdef TARGET_NR_setsockopt
9869 case TARGET_NR_setsockopt
:
9870 ret
= do_setsockopt(arg1
, arg2
, arg3
, arg4
, (socklen_t
) arg5
);
9873 #if defined(TARGET_NR_syslog)
9874 case TARGET_NR_syslog
:
9879 case TARGET_SYSLOG_ACTION_CLOSE
: /* Close log */
9880 case TARGET_SYSLOG_ACTION_OPEN
: /* Open log */
9881 case TARGET_SYSLOG_ACTION_CLEAR
: /* Clear ring buffer */
9882 case TARGET_SYSLOG_ACTION_CONSOLE_OFF
: /* Disable logging */
9883 case TARGET_SYSLOG_ACTION_CONSOLE_ON
: /* Enable logging */
9884 case TARGET_SYSLOG_ACTION_CONSOLE_LEVEL
: /* Set messages level */
9885 case TARGET_SYSLOG_ACTION_SIZE_UNREAD
: /* Number of chars */
9886 case TARGET_SYSLOG_ACTION_SIZE_BUFFER
: /* Size of the buffer */
9888 ret
= get_errno(sys_syslog((int)arg1
, NULL
, (int)arg3
));
9891 case TARGET_SYSLOG_ACTION_READ
: /* Read from log */
9892 case TARGET_SYSLOG_ACTION_READ_CLEAR
: /* Read/clear msgs */
9893 case TARGET_SYSLOG_ACTION_READ_ALL
: /* Read last messages */
9895 ret
= -TARGET_EINVAL
;
9903 p
= lock_user(VERIFY_WRITE
, arg2
, arg3
, 0);
9905 ret
= -TARGET_EFAULT
;
9908 ret
= get_errno(sys_syslog((int)arg1
, p
, (int)arg3
));
9909 unlock_user(p
, arg2
, arg3
);
9919 case TARGET_NR_setitimer
:
9921 struct itimerval value
, ovalue
, *pvalue
;
9925 if (copy_from_user_timeval(&pvalue
->it_interval
, arg2
)
9926 || copy_from_user_timeval(&pvalue
->it_value
,
9927 arg2
+ sizeof(struct target_timeval
)))
9932 ret
= get_errno(setitimer(arg1
, pvalue
, &ovalue
));
9933 if (!is_error(ret
) && arg3
) {
9934 if (copy_to_user_timeval(arg3
,
9935 &ovalue
.it_interval
)
9936 || copy_to_user_timeval(arg3
+ sizeof(struct target_timeval
),
9942 case TARGET_NR_getitimer
:
9944 struct itimerval value
;
9946 ret
= get_errno(getitimer(arg1
, &value
));
9947 if (!is_error(ret
) && arg2
) {
9948 if (copy_to_user_timeval(arg2
,
9950 || copy_to_user_timeval(arg2
+ sizeof(struct target_timeval
),
9956 #ifdef TARGET_NR_stat
9957 case TARGET_NR_stat
:
9958 if (!(p
= lock_user_string(arg1
)))
9960 ret
= get_errno(stat(path(p
), &st
));
9961 unlock_user(p
, arg1
, 0);
9964 #ifdef TARGET_NR_lstat
9965 case TARGET_NR_lstat
:
9966 if (!(p
= lock_user_string(arg1
)))
9968 ret
= get_errno(lstat(path(p
), &st
));
9969 unlock_user(p
, arg1
, 0);
9972 case TARGET_NR_fstat
:
9974 ret
= get_errno(fstat(arg1
, &st
));
9975 #if defined(TARGET_NR_stat) || defined(TARGET_NR_lstat)
9978 if (!is_error(ret
)) {
9979 struct target_stat
*target_st
;
9981 if (!lock_user_struct(VERIFY_WRITE
, target_st
, arg2
, 0))
9983 memset(target_st
, 0, sizeof(*target_st
));
9984 __put_user(st
.st_dev
, &target_st
->st_dev
);
9985 __put_user(st
.st_ino
, &target_st
->st_ino
);
9986 __put_user(st
.st_mode
, &target_st
->st_mode
);
9987 __put_user(st
.st_uid
, &target_st
->st_uid
);
9988 __put_user(st
.st_gid
, &target_st
->st_gid
);
9989 __put_user(st
.st_nlink
, &target_st
->st_nlink
);
9990 __put_user(st
.st_rdev
, &target_st
->st_rdev
);
9991 __put_user(st
.st_size
, &target_st
->st_size
);
9992 __put_user(st
.st_blksize
, &target_st
->st_blksize
);
9993 __put_user(st
.st_blocks
, &target_st
->st_blocks
);
9994 __put_user(st
.st_atime
, &target_st
->target_st_atime
);
9995 __put_user(st
.st_mtime
, &target_st
->target_st_mtime
);
9996 __put_user(st
.st_ctime
, &target_st
->target_st_ctime
);
9997 unlock_user_struct(target_st
, arg2
, 1);
10001 #ifdef TARGET_NR_olduname
10002 case TARGET_NR_olduname
:
10003 goto unimplemented
;
10005 #ifdef TARGET_NR_iopl
10006 case TARGET_NR_iopl
:
10007 goto unimplemented
;
10009 case TARGET_NR_vhangup
:
10010 ret
= get_errno(vhangup());
10012 #ifdef TARGET_NR_idle
10013 case TARGET_NR_idle
:
10014 goto unimplemented
;
10016 #ifdef TARGET_NR_syscall
10017 case TARGET_NR_syscall
:
10018 ret
= do_syscall(cpu_env
, arg1
& 0xffff, arg2
, arg3
, arg4
, arg5
,
10019 arg6
, arg7
, arg8
, 0);
10022 case TARGET_NR_wait4
:
10025 abi_long status_ptr
= arg2
;
10026 struct rusage rusage
, *rusage_ptr
;
10027 abi_ulong target_rusage
= arg4
;
10028 abi_long rusage_err
;
10030 rusage_ptr
= &rusage
;
10033 ret
= get_errno(safe_wait4(arg1
, &status
, arg3
, rusage_ptr
));
10034 if (!is_error(ret
)) {
10035 if (status_ptr
&& ret
) {
10036 status
= host_to_target_waitstatus(status
);
10037 if (put_user_s32(status
, status_ptr
))
10040 if (target_rusage
) {
10041 rusage_err
= host_to_target_rusage(target_rusage
, &rusage
);
10049 #ifdef TARGET_NR_swapoff
10050 case TARGET_NR_swapoff
:
10051 if (!(p
= lock_user_string(arg1
)))
10053 ret
= get_errno(swapoff(p
));
10054 unlock_user(p
, arg1
, 0);
10057 case TARGET_NR_sysinfo
:
10059 struct target_sysinfo
*target_value
;
10060 struct sysinfo value
;
10061 ret
= get_errno(sysinfo(&value
));
10062 if (!is_error(ret
) && arg1
)
10064 if (!lock_user_struct(VERIFY_WRITE
, target_value
, arg1
, 0))
10066 __put_user(value
.uptime
, &target_value
->uptime
);
10067 __put_user(value
.loads
[0], &target_value
->loads
[0]);
10068 __put_user(value
.loads
[1], &target_value
->loads
[1]);
10069 __put_user(value
.loads
[2], &target_value
->loads
[2]);
10070 __put_user(value
.totalram
, &target_value
->totalram
);
10071 __put_user(value
.freeram
, &target_value
->freeram
);
10072 __put_user(value
.sharedram
, &target_value
->sharedram
);
10073 __put_user(value
.bufferram
, &target_value
->bufferram
);
10074 __put_user(value
.totalswap
, &target_value
->totalswap
);
10075 __put_user(value
.freeswap
, &target_value
->freeswap
);
10076 __put_user(value
.procs
, &target_value
->procs
);
10077 __put_user(value
.totalhigh
, &target_value
->totalhigh
);
10078 __put_user(value
.freehigh
, &target_value
->freehigh
);
10079 __put_user(value
.mem_unit
, &target_value
->mem_unit
);
10080 unlock_user_struct(target_value
, arg1
, 1);
10084 #ifdef TARGET_NR_ipc
10085 case TARGET_NR_ipc
:
10086 ret
= do_ipc(cpu_env
, arg1
, arg2
, arg3
, arg4
, arg5
, arg6
);
10089 #ifdef TARGET_NR_semget
10090 case TARGET_NR_semget
:
10091 ret
= get_errno(semget(arg1
, arg2
, arg3
));
10094 #ifdef TARGET_NR_semop
10095 case TARGET_NR_semop
:
10096 ret
= do_semop(arg1
, arg2
, arg3
);
10099 #ifdef TARGET_NR_semctl
10100 case TARGET_NR_semctl
:
10101 ret
= do_semctl(arg1
, arg2
, arg3
, arg4
);
10104 #ifdef TARGET_NR_msgctl
10105 case TARGET_NR_msgctl
:
10106 ret
= do_msgctl(arg1
, arg2
, arg3
);
10109 #ifdef TARGET_NR_msgget
10110 case TARGET_NR_msgget
:
10111 ret
= get_errno(msgget(arg1
, arg2
));
10114 #ifdef TARGET_NR_msgrcv
10115 case TARGET_NR_msgrcv
:
10116 ret
= do_msgrcv(arg1
, arg2
, arg3
, arg4
, arg5
);
10119 #ifdef TARGET_NR_msgsnd
10120 case TARGET_NR_msgsnd
:
10121 ret
= do_msgsnd(arg1
, arg2
, arg3
, arg4
);
10124 #ifdef TARGET_NR_shmget
10125 case TARGET_NR_shmget
:
10126 ret
= get_errno(shmget(arg1
, arg2
, arg3
));
10129 #ifdef TARGET_NR_shmctl
10130 case TARGET_NR_shmctl
:
10131 ret
= do_shmctl(arg1
, arg2
, arg3
);
10134 #ifdef TARGET_NR_shmat
10135 case TARGET_NR_shmat
:
10136 ret
= do_shmat(cpu_env
, arg1
, arg2
, arg3
);
10139 #ifdef TARGET_NR_shmdt
10140 case TARGET_NR_shmdt
:
10141 ret
= do_shmdt(arg1
);
10144 case TARGET_NR_fsync
:
10145 ret
= get_errno(fsync(arg1
));
10147 case TARGET_NR_clone
:
10148 /* Linux manages to have three different orderings for its
10149 * arguments to clone(); the BACKWARDS and BACKWARDS2 defines
10150 * match the kernel's CONFIG_CLONE_* settings.
10151 * Microblaze is further special in that it uses a sixth
10152 * implicit argument to clone for the TLS pointer.
10154 #if defined(TARGET_MICROBLAZE)
10155 ret
= get_errno(do_fork(cpu_env
, arg1
, arg2
, arg4
, arg6
, arg5
));
10156 #elif defined(TARGET_CLONE_BACKWARDS)
10157 ret
= get_errno(do_fork(cpu_env
, arg1
, arg2
, arg3
, arg4
, arg5
));
10158 #elif defined(TARGET_CLONE_BACKWARDS2)
10159 ret
= get_errno(do_fork(cpu_env
, arg2
, arg1
, arg3
, arg5
, arg4
));
10161 ret
= get_errno(do_fork(cpu_env
, arg1
, arg2
, arg3
, arg5
, arg4
));
10164 #ifdef __NR_exit_group
10165 /* new thread calls */
10166 case TARGET_NR_exit_group
:
10167 preexit_cleanup(cpu_env
, arg1
);
10168 ret
= get_errno(exit_group(arg1
));
10171 case TARGET_NR_setdomainname
:
10172 if (!(p
= lock_user_string(arg1
)))
10174 ret
= get_errno(setdomainname(p
, arg2
));
10175 unlock_user(p
, arg1
, 0);
10177 case TARGET_NR_uname
:
10178 /* no need to transcode because we use the linux syscall */
10180 struct new_utsname
* buf
;
10182 if (!lock_user_struct(VERIFY_WRITE
, buf
, arg1
, 0))
10184 ret
= get_errno(sys_uname(buf
));
10185 if (!is_error(ret
)) {
10186 /* Overwrite the native machine name with whatever is being
10188 g_strlcpy(buf
->machine
, cpu_to_uname_machine(cpu_env
),
10189 sizeof(buf
->machine
));
10190 /* Allow the user to override the reported release. */
10191 if (qemu_uname_release
&& *qemu_uname_release
) {
10192 g_strlcpy(buf
->release
, qemu_uname_release
,
10193 sizeof(buf
->release
));
10196 unlock_user_struct(buf
, arg1
, 1);
10200 case TARGET_NR_modify_ldt
:
10201 ret
= do_modify_ldt(cpu_env
, arg1
, arg2
, arg3
);
10203 #if !defined(TARGET_X86_64)
10204 case TARGET_NR_vm86old
:
10205 goto unimplemented
;
10206 case TARGET_NR_vm86
:
10207 ret
= do_vm86(cpu_env
, arg1
, arg2
);
10211 case TARGET_NR_adjtimex
:
10213 struct timex host_buf
;
10215 if (target_to_host_timex(&host_buf
, arg1
) != 0) {
10218 ret
= get_errno(adjtimex(&host_buf
));
10219 if (!is_error(ret
)) {
10220 if (host_to_target_timex(arg1
, &host_buf
) != 0) {
10226 #if defined(TARGET_NR_clock_adjtime) && defined(CONFIG_CLOCK_ADJTIME)
10227 case TARGET_NR_clock_adjtime
:
10229 struct timex htx
, *phtx
= &htx
;
10231 if (target_to_host_timex(phtx
, arg2
) != 0) {
10234 ret
= get_errno(clock_adjtime(arg1
, phtx
));
10235 if (!is_error(ret
) && phtx
) {
10236 if (host_to_target_timex(arg2
, phtx
) != 0) {
10243 #ifdef TARGET_NR_create_module
10244 case TARGET_NR_create_module
:
10246 case TARGET_NR_init_module
:
10247 case TARGET_NR_delete_module
:
10248 #ifdef TARGET_NR_get_kernel_syms
10249 case TARGET_NR_get_kernel_syms
:
10251 goto unimplemented
;
10252 case TARGET_NR_quotactl
:
10253 goto unimplemented
;
10254 case TARGET_NR_getpgid
:
10255 ret
= get_errno(getpgid(arg1
));
10257 case TARGET_NR_fchdir
:
10258 ret
= get_errno(fchdir(arg1
));
10260 #ifdef TARGET_NR_bdflush /* not on x86_64 */
10261 case TARGET_NR_bdflush
:
10262 goto unimplemented
;
10264 #ifdef TARGET_NR_sysfs
10265 case TARGET_NR_sysfs
:
10266 goto unimplemented
;
10268 case TARGET_NR_personality
:
10269 ret
= get_errno(personality(arg1
));
10271 #ifdef TARGET_NR_afs_syscall
10272 case TARGET_NR_afs_syscall
:
10273 goto unimplemented
;
10275 #ifdef TARGET_NR__llseek /* Not on alpha */
10276 case TARGET_NR__llseek
:
10279 #if !defined(__NR_llseek)
10280 res
= lseek(arg1
, ((uint64_t)arg2
<< 32) | (abi_ulong
)arg3
, arg5
);
10282 ret
= get_errno(res
);
10287 ret
= get_errno(_llseek(arg1
, arg2
, arg3
, &res
, arg5
));
10289 if ((ret
== 0) && put_user_s64(res
, arg4
)) {
10295 #ifdef TARGET_NR_getdents
10296 case TARGET_NR_getdents
:
10297 #ifdef EMULATE_GETDENTS_WITH_GETDENTS
10298 #if TARGET_ABI_BITS == 32 && HOST_LONG_BITS == 64
10300 struct target_dirent
*target_dirp
;
10301 struct linux_dirent
*dirp
;
10302 abi_long count
= arg3
;
10304 dirp
= g_try_malloc(count
);
10306 ret
= -TARGET_ENOMEM
;
10310 ret
= get_errno(sys_getdents(arg1
, dirp
, count
));
10311 if (!is_error(ret
)) {
10312 struct linux_dirent
*de
;
10313 struct target_dirent
*tde
;
10315 int reclen
, treclen
;
10316 int count1
, tnamelen
;
10320 if (!(target_dirp
= lock_user(VERIFY_WRITE
, arg2
, count
, 0)))
10324 reclen
= de
->d_reclen
;
10325 tnamelen
= reclen
- offsetof(struct linux_dirent
, d_name
);
10326 assert(tnamelen
>= 0);
10327 treclen
= tnamelen
+ offsetof(struct target_dirent
, d_name
);
10328 assert(count1
+ treclen
<= count
);
10329 tde
->d_reclen
= tswap16(treclen
);
10330 tde
->d_ino
= tswapal(de
->d_ino
);
10331 tde
->d_off
= tswapal(de
->d_off
);
10332 memcpy(tde
->d_name
, de
->d_name
, tnamelen
);
10333 de
= (struct linux_dirent
*)((char *)de
+ reclen
);
10335 tde
= (struct target_dirent
*)((char *)tde
+ treclen
);
10339 unlock_user(target_dirp
, arg2
, ret
);
10345 struct linux_dirent
*dirp
;
10346 abi_long count
= arg3
;
10348 if (!(dirp
= lock_user(VERIFY_WRITE
, arg2
, count
, 0)))
10350 ret
= get_errno(sys_getdents(arg1
, dirp
, count
));
10351 if (!is_error(ret
)) {
10352 struct linux_dirent
*de
;
10357 reclen
= de
->d_reclen
;
10360 de
->d_reclen
= tswap16(reclen
);
10361 tswapls(&de
->d_ino
);
10362 tswapls(&de
->d_off
);
10363 de
= (struct linux_dirent
*)((char *)de
+ reclen
);
10367 unlock_user(dirp
, arg2
, ret
);
10371 /* Implement getdents in terms of getdents64 */
10373 struct linux_dirent64
*dirp
;
10374 abi_long count
= arg3
;
10376 dirp
= lock_user(VERIFY_WRITE
, arg2
, count
, 0);
10380 ret
= get_errno(sys_getdents64(arg1
, dirp
, count
));
10381 if (!is_error(ret
)) {
10382 /* Convert the dirent64 structs to target dirent. We do this
10383 * in-place, since we can guarantee that a target_dirent is no
10384 * larger than a dirent64; however this means we have to be
10385 * careful to read everything before writing in the new format.
10387 struct linux_dirent64
*de
;
10388 struct target_dirent
*tde
;
10393 tde
= (struct target_dirent
*)dirp
;
10395 int namelen
, treclen
;
10396 int reclen
= de
->d_reclen
;
10397 uint64_t ino
= de
->d_ino
;
10398 int64_t off
= de
->d_off
;
10399 uint8_t type
= de
->d_type
;
10401 namelen
= strlen(de
->d_name
);
10402 treclen
= offsetof(struct target_dirent
, d_name
)
10404 treclen
= QEMU_ALIGN_UP(treclen
, sizeof(abi_long
));
10406 memmove(tde
->d_name
, de
->d_name
, namelen
+ 1);
10407 tde
->d_ino
= tswapal(ino
);
10408 tde
->d_off
= tswapal(off
);
10409 tde
->d_reclen
= tswap16(treclen
);
10410 /* The target_dirent type is in what was formerly a padding
10411 * byte at the end of the structure:
10413 *(((char *)tde
) + treclen
- 1) = type
;
10415 de
= (struct linux_dirent64
*)((char *)de
+ reclen
);
10416 tde
= (struct target_dirent
*)((char *)tde
+ treclen
);
10422 unlock_user(dirp
, arg2
, ret
);
10426 #endif /* TARGET_NR_getdents */
10427 #if defined(TARGET_NR_getdents64) && defined(__NR_getdents64)
10428 case TARGET_NR_getdents64
:
10430 struct linux_dirent64
*dirp
;
10431 abi_long count
= arg3
;
10432 if (!(dirp
= lock_user(VERIFY_WRITE
, arg2
, count
, 0)))
10434 ret
= get_errno(sys_getdents64(arg1
, dirp
, count
));
10435 if (!is_error(ret
)) {
10436 struct linux_dirent64
*de
;
10441 reclen
= de
->d_reclen
;
10444 de
->d_reclen
= tswap16(reclen
);
10445 tswap64s((uint64_t *)&de
->d_ino
);
10446 tswap64s((uint64_t *)&de
->d_off
);
10447 de
= (struct linux_dirent64
*)((char *)de
+ reclen
);
10451 unlock_user(dirp
, arg2
, ret
);
10454 #endif /* TARGET_NR_getdents64 */
10455 #if defined(TARGET_NR__newselect)
10456 case TARGET_NR__newselect
:
10457 ret
= do_select(arg1
, arg2
, arg3
, arg4
, arg5
);
10460 #if defined(TARGET_NR_poll) || defined(TARGET_NR_ppoll)
10461 # ifdef TARGET_NR_poll
10462 case TARGET_NR_poll
:
10464 # ifdef TARGET_NR_ppoll
10465 case TARGET_NR_ppoll
:
10468 struct target_pollfd
*target_pfd
;
10469 unsigned int nfds
= arg2
;
10470 struct pollfd
*pfd
;
10476 if (nfds
> (INT_MAX
/ sizeof(struct target_pollfd
))) {
10477 ret
= -TARGET_EINVAL
;
10481 target_pfd
= lock_user(VERIFY_WRITE
, arg1
,
10482 sizeof(struct target_pollfd
) * nfds
, 1);
10487 pfd
= alloca(sizeof(struct pollfd
) * nfds
);
10488 for (i
= 0; i
< nfds
; i
++) {
10489 pfd
[i
].fd
= tswap32(target_pfd
[i
].fd
);
10490 pfd
[i
].events
= tswap16(target_pfd
[i
].events
);
10495 # ifdef TARGET_NR_ppoll
10496 case TARGET_NR_ppoll
:
10498 struct timespec _timeout_ts
, *timeout_ts
= &_timeout_ts
;
10499 target_sigset_t
*target_set
;
10500 sigset_t _set
, *set
= &_set
;
10503 if (target_to_host_timespec(timeout_ts
, arg3
)) {
10504 unlock_user(target_pfd
, arg1
, 0);
10512 if (arg5
!= sizeof(target_sigset_t
)) {
10513 unlock_user(target_pfd
, arg1
, 0);
10514 ret
= -TARGET_EINVAL
;
10518 target_set
= lock_user(VERIFY_READ
, arg4
, sizeof(target_sigset_t
), 1);
10520 unlock_user(target_pfd
, arg1
, 0);
10523 target_to_host_sigset(set
, target_set
);
10528 ret
= get_errno(safe_ppoll(pfd
, nfds
, timeout_ts
,
10529 set
, SIGSET_T_SIZE
));
10531 if (!is_error(ret
) && arg3
) {
10532 host_to_target_timespec(arg3
, timeout_ts
);
10535 unlock_user(target_set
, arg4
, 0);
10540 # ifdef TARGET_NR_poll
10541 case TARGET_NR_poll
:
10543 struct timespec ts
, *pts
;
10546 /* Convert ms to secs, ns */
10547 ts
.tv_sec
= arg3
/ 1000;
10548 ts
.tv_nsec
= (arg3
% 1000) * 1000000LL;
10551 /* -ve poll() timeout means "infinite" */
10554 ret
= get_errno(safe_ppoll(pfd
, nfds
, pts
, NULL
, 0));
10559 g_assert_not_reached();
10562 if (!is_error(ret
)) {
10563 for(i
= 0; i
< nfds
; i
++) {
10564 target_pfd
[i
].revents
= tswap16(pfd
[i
].revents
);
10567 unlock_user(target_pfd
, arg1
, sizeof(struct target_pollfd
) * nfds
);
10571 case TARGET_NR_flock
:
10572 /* NOTE: the flock constant seems to be the same for every
10574 ret
= get_errno(safe_flock(arg1
, arg2
));
10576 case TARGET_NR_readv
:
10578 struct iovec
*vec
= lock_iovec(VERIFY_WRITE
, arg2
, arg3
, 0);
10580 ret
= get_errno(safe_readv(arg1
, vec
, arg3
));
10581 unlock_iovec(vec
, arg2
, arg3
, 1);
10583 ret
= -host_to_target_errno(errno
);
10587 case TARGET_NR_writev
:
10589 struct iovec
*vec
= lock_iovec(VERIFY_READ
, arg2
, arg3
, 1);
10591 ret
= get_errno(safe_writev(arg1
, vec
, arg3
));
10592 unlock_iovec(vec
, arg2
, arg3
, 0);
10594 ret
= -host_to_target_errno(errno
);
10598 #if defined(TARGET_NR_preadv)
10599 case TARGET_NR_preadv
:
10601 struct iovec
*vec
= lock_iovec(VERIFY_WRITE
, arg2
, arg3
, 0);
10603 unsigned long low
, high
;
10605 target_to_host_low_high(arg4
, arg5
, &low
, &high
);
10606 ret
= get_errno(safe_preadv(arg1
, vec
, arg3
, low
, high
));
10607 unlock_iovec(vec
, arg2
, arg3
, 1);
10609 ret
= -host_to_target_errno(errno
);
10614 #if defined(TARGET_NR_pwritev)
10615 case TARGET_NR_pwritev
:
10617 struct iovec
*vec
= lock_iovec(VERIFY_READ
, arg2
, arg3
, 1);
10619 unsigned long low
, high
;
10621 target_to_host_low_high(arg4
, arg5
, &low
, &high
);
10622 ret
= get_errno(safe_pwritev(arg1
, vec
, arg3
, low
, high
));
10623 unlock_iovec(vec
, arg2
, arg3
, 0);
10625 ret
= -host_to_target_errno(errno
);
10630 case TARGET_NR_getsid
:
10631 ret
= get_errno(getsid(arg1
));
10633 #if defined(TARGET_NR_fdatasync) /* Not on alpha (osf_datasync ?) */
10634 case TARGET_NR_fdatasync
:
10635 ret
= get_errno(fdatasync(arg1
));
10638 #ifdef TARGET_NR__sysctl
10639 case TARGET_NR__sysctl
:
10640 /* We don't implement this, but ENOTDIR is always a safe
10642 ret
= -TARGET_ENOTDIR
;
10645 case TARGET_NR_sched_getaffinity
:
10647 unsigned int mask_size
;
10648 unsigned long *mask
;
10651 * sched_getaffinity needs multiples of ulong, so need to take
10652 * care of mismatches between target ulong and host ulong sizes.
10654 if (arg2
& (sizeof(abi_ulong
) - 1)) {
10655 ret
= -TARGET_EINVAL
;
10658 mask_size
= (arg2
+ (sizeof(*mask
) - 1)) & ~(sizeof(*mask
) - 1);
10660 mask
= alloca(mask_size
);
10661 memset(mask
, 0, mask_size
);
10662 ret
= get_errno(sys_sched_getaffinity(arg1
, mask_size
, mask
));
10664 if (!is_error(ret
)) {
10666 /* More data returned than the caller's buffer will fit.
10667 * This only happens if sizeof(abi_long) < sizeof(long)
10668 * and the caller passed us a buffer holding an odd number
10669 * of abi_longs. If the host kernel is actually using the
10670 * extra 4 bytes then fail EINVAL; otherwise we can just
10671 * ignore them and only copy the interesting part.
10673 int numcpus
= sysconf(_SC_NPROCESSORS_CONF
);
10674 if (numcpus
> arg2
* 8) {
10675 ret
= -TARGET_EINVAL
;
10681 if (host_to_target_cpu_mask(mask
, mask_size
, arg3
, ret
)) {
10687 case TARGET_NR_sched_setaffinity
:
10689 unsigned int mask_size
;
10690 unsigned long *mask
;
10693 * sched_setaffinity needs multiples of ulong, so need to take
10694 * care of mismatches between target ulong and host ulong sizes.
10696 if (arg2
& (sizeof(abi_ulong
) - 1)) {
10697 ret
= -TARGET_EINVAL
;
10700 mask_size
= (arg2
+ (sizeof(*mask
) - 1)) & ~(sizeof(*mask
) - 1);
10701 mask
= alloca(mask_size
);
10703 ret
= target_to_host_cpu_mask(mask
, mask_size
, arg3
, arg2
);
10708 ret
= get_errno(sys_sched_setaffinity(arg1
, mask_size
, mask
));
10711 case TARGET_NR_getcpu
:
10713 unsigned cpu
, node
;
10714 ret
= get_errno(sys_getcpu(arg1
? &cpu
: NULL
,
10715 arg2
? &node
: NULL
,
10717 if (is_error(ret
)) {
10720 if (arg1
&& put_user_u32(cpu
, arg1
)) {
10723 if (arg2
&& put_user_u32(node
, arg2
)) {
10728 case TARGET_NR_sched_setparam
:
10730 struct sched_param
*target_schp
;
10731 struct sched_param schp
;
10734 return -TARGET_EINVAL
;
10736 if (!lock_user_struct(VERIFY_READ
, target_schp
, arg2
, 1))
10738 schp
.sched_priority
= tswap32(target_schp
->sched_priority
);
10739 unlock_user_struct(target_schp
, arg2
, 0);
10740 ret
= get_errno(sched_setparam(arg1
, &schp
));
10743 case TARGET_NR_sched_getparam
:
10745 struct sched_param
*target_schp
;
10746 struct sched_param schp
;
10749 return -TARGET_EINVAL
;
10751 ret
= get_errno(sched_getparam(arg1
, &schp
));
10752 if (!is_error(ret
)) {
10753 if (!lock_user_struct(VERIFY_WRITE
, target_schp
, arg2
, 0))
10755 target_schp
->sched_priority
= tswap32(schp
.sched_priority
);
10756 unlock_user_struct(target_schp
, arg2
, 1);
10760 case TARGET_NR_sched_setscheduler
:
10762 struct sched_param
*target_schp
;
10763 struct sched_param schp
;
10765 return -TARGET_EINVAL
;
10767 if (!lock_user_struct(VERIFY_READ
, target_schp
, arg3
, 1))
10769 schp
.sched_priority
= tswap32(target_schp
->sched_priority
);
10770 unlock_user_struct(target_schp
, arg3
, 0);
10771 ret
= get_errno(sched_setscheduler(arg1
, arg2
, &schp
));
10774 case TARGET_NR_sched_getscheduler
:
10775 ret
= get_errno(sched_getscheduler(arg1
));
10777 case TARGET_NR_sched_yield
:
10778 ret
= get_errno(sched_yield());
10780 case TARGET_NR_sched_get_priority_max
:
10781 ret
= get_errno(sched_get_priority_max(arg1
));
10783 case TARGET_NR_sched_get_priority_min
:
10784 ret
= get_errno(sched_get_priority_min(arg1
));
10786 case TARGET_NR_sched_rr_get_interval
:
10788 struct timespec ts
;
10789 ret
= get_errno(sched_rr_get_interval(arg1
, &ts
));
10790 if (!is_error(ret
)) {
10791 ret
= host_to_target_timespec(arg2
, &ts
);
10795 case TARGET_NR_nanosleep
:
10797 struct timespec req
, rem
;
10798 target_to_host_timespec(&req
, arg1
);
10799 ret
= get_errno(safe_nanosleep(&req
, &rem
));
10800 if (is_error(ret
) && arg2
) {
10801 host_to_target_timespec(arg2
, &rem
);
10805 #ifdef TARGET_NR_query_module
10806 case TARGET_NR_query_module
:
10807 goto unimplemented
;
10809 #ifdef TARGET_NR_nfsservctl
10810 case TARGET_NR_nfsservctl
:
10811 goto unimplemented
;
10813 case TARGET_NR_prctl
:
10815 case PR_GET_PDEATHSIG
:
10818 ret
= get_errno(prctl(arg1
, &deathsig
, arg3
, arg4
, arg5
));
10819 if (!is_error(ret
) && arg2
10820 && put_user_ual(deathsig
, arg2
)) {
10828 void *name
= lock_user(VERIFY_WRITE
, arg2
, 16, 1);
10832 ret
= get_errno(prctl(arg1
, (unsigned long)name
,
10833 arg3
, arg4
, arg5
));
10834 unlock_user(name
, arg2
, 16);
10839 void *name
= lock_user(VERIFY_READ
, arg2
, 16, 1);
10843 ret
= get_errno(prctl(arg1
, (unsigned long)name
,
10844 arg3
, arg4
, arg5
));
10845 unlock_user(name
, arg2
, 0);
10849 #ifdef TARGET_AARCH64
10850 case TARGET_PR_SVE_SET_VL
:
10852 * We cannot support either PR_SVE_SET_VL_ONEXEC or
10853 * PR_SVE_VL_INHERIT. Note the kernel definition
10854 * of sve_vl_valid allows for VQ=512, i.e. VL=8192,
10855 * even though the current architectural maximum is VQ=16.
10857 ret
= -TARGET_EINVAL
;
10858 if (arm_feature(cpu_env
, ARM_FEATURE_SVE
)
10859 && arg2
>= 0 && arg2
<= 512 * 16 && !(arg2
& 15)) {
10860 CPUARMState
*env
= cpu_env
;
10861 ARMCPU
*cpu
= arm_env_get_cpu(env
);
10862 uint32_t vq
, old_vq
;
10864 old_vq
= (env
->vfp
.zcr_el
[1] & 0xf) + 1;
10865 vq
= MAX(arg2
/ 16, 1);
10866 vq
= MIN(vq
, cpu
->sve_max_vq
);
10869 aarch64_sve_narrow_vq(env
, vq
);
10871 env
->vfp
.zcr_el
[1] = vq
- 1;
10875 case TARGET_PR_SVE_GET_VL
:
10876 ret
= -TARGET_EINVAL
;
10877 if (arm_feature(cpu_env
, ARM_FEATURE_SVE
)) {
10878 CPUARMState
*env
= cpu_env
;
10879 ret
= ((env
->vfp
.zcr_el
[1] & 0xf) + 1) * 16;
10882 #endif /* AARCH64 */
10883 case PR_GET_SECCOMP
:
10884 case PR_SET_SECCOMP
:
10885 /* Disable seccomp to prevent the target disabling syscalls we
10887 ret
= -TARGET_EINVAL
;
10890 /* Most prctl options have no pointer arguments */
10891 ret
= get_errno(prctl(arg1
, arg2
, arg3
, arg4
, arg5
));
10895 #ifdef TARGET_NR_arch_prctl
10896 case TARGET_NR_arch_prctl
:
10897 #if defined(TARGET_I386) && !defined(TARGET_ABI32)
10898 ret
= do_arch_prctl(cpu_env
, arg1
, arg2
);
10901 goto unimplemented
;
10904 #ifdef TARGET_NR_pread64
10905 case TARGET_NR_pread64
:
10906 if (regpairs_aligned(cpu_env
, num
)) {
10910 if (!(p
= lock_user(VERIFY_WRITE
, arg2
, arg3
, 0)))
10912 ret
= get_errno(pread64(arg1
, p
, arg3
, target_offset64(arg4
, arg5
)));
10913 unlock_user(p
, arg2
, ret
);
10915 case TARGET_NR_pwrite64
:
10916 if (regpairs_aligned(cpu_env
, num
)) {
10920 if (!(p
= lock_user(VERIFY_READ
, arg2
, arg3
, 1)))
10922 ret
= get_errno(pwrite64(arg1
, p
, arg3
, target_offset64(arg4
, arg5
)));
10923 unlock_user(p
, arg2
, 0);
10926 case TARGET_NR_getcwd
:
10927 if (!(p
= lock_user(VERIFY_WRITE
, arg1
, arg2
, 0)))
10929 ret
= get_errno(sys_getcwd1(p
, arg2
));
10930 unlock_user(p
, arg1
, ret
);
10932 case TARGET_NR_capget
:
10933 case TARGET_NR_capset
:
10935 struct target_user_cap_header
*target_header
;
10936 struct target_user_cap_data
*target_data
= NULL
;
10937 struct __user_cap_header_struct header
;
10938 struct __user_cap_data_struct data
[2];
10939 struct __user_cap_data_struct
*dataptr
= NULL
;
10940 int i
, target_datalen
;
10941 int data_items
= 1;
10943 if (!lock_user_struct(VERIFY_WRITE
, target_header
, arg1
, 1)) {
10946 header
.version
= tswap32(target_header
->version
);
10947 header
.pid
= tswap32(target_header
->pid
);
10949 if (header
.version
!= _LINUX_CAPABILITY_VERSION
) {
10950 /* Version 2 and up takes pointer to two user_data structs */
10954 target_datalen
= sizeof(*target_data
) * data_items
;
10957 if (num
== TARGET_NR_capget
) {
10958 target_data
= lock_user(VERIFY_WRITE
, arg2
, target_datalen
, 0);
10960 target_data
= lock_user(VERIFY_READ
, arg2
, target_datalen
, 1);
10962 if (!target_data
) {
10963 unlock_user_struct(target_header
, arg1
, 0);
10967 if (num
== TARGET_NR_capset
) {
10968 for (i
= 0; i
< data_items
; i
++) {
10969 data
[i
].effective
= tswap32(target_data
[i
].effective
);
10970 data
[i
].permitted
= tswap32(target_data
[i
].permitted
);
10971 data
[i
].inheritable
= tswap32(target_data
[i
].inheritable
);
10978 if (num
== TARGET_NR_capget
) {
10979 ret
= get_errno(capget(&header
, dataptr
));
10981 ret
= get_errno(capset(&header
, dataptr
));
10984 /* The kernel always updates version for both capget and capset */
10985 target_header
->version
= tswap32(header
.version
);
10986 unlock_user_struct(target_header
, arg1
, 1);
10989 if (num
== TARGET_NR_capget
) {
10990 for (i
= 0; i
< data_items
; i
++) {
10991 target_data
[i
].effective
= tswap32(data
[i
].effective
);
10992 target_data
[i
].permitted
= tswap32(data
[i
].permitted
);
10993 target_data
[i
].inheritable
= tswap32(data
[i
].inheritable
);
10995 unlock_user(target_data
, arg2
, target_datalen
);
10997 unlock_user(target_data
, arg2
, 0);
11002 case TARGET_NR_sigaltstack
:
11003 ret
= do_sigaltstack(arg1
, arg2
, get_sp_from_cpustate((CPUArchState
*)cpu_env
));
11006 #ifdef CONFIG_SENDFILE
11007 case TARGET_NR_sendfile
:
11009 off_t
*offp
= NULL
;
11012 ret
= get_user_sal(off
, arg3
);
11013 if (is_error(ret
)) {
11018 ret
= get_errno(sendfile(arg1
, arg2
, offp
, arg4
));
11019 if (!is_error(ret
) && arg3
) {
11020 abi_long ret2
= put_user_sal(off
, arg3
);
11021 if (is_error(ret2
)) {
11027 #ifdef TARGET_NR_sendfile64
11028 case TARGET_NR_sendfile64
:
11030 off_t
*offp
= NULL
;
11033 ret
= get_user_s64(off
, arg3
);
11034 if (is_error(ret
)) {
11039 ret
= get_errno(sendfile(arg1
, arg2
, offp
, arg4
));
11040 if (!is_error(ret
) && arg3
) {
11041 abi_long ret2
= put_user_s64(off
, arg3
);
11042 if (is_error(ret2
)) {
11050 case TARGET_NR_sendfile
:
11051 #ifdef TARGET_NR_sendfile64
11052 case TARGET_NR_sendfile64
:
11054 goto unimplemented
;
11057 #ifdef TARGET_NR_getpmsg
11058 case TARGET_NR_getpmsg
:
11059 goto unimplemented
;
11061 #ifdef TARGET_NR_putpmsg
11062 case TARGET_NR_putpmsg
:
11063 goto unimplemented
;
11065 #ifdef TARGET_NR_vfork
11066 case TARGET_NR_vfork
:
11067 ret
= get_errno(do_fork(cpu_env
,
11068 CLONE_VFORK
| CLONE_VM
| TARGET_SIGCHLD
,
11072 #ifdef TARGET_NR_ugetrlimit
11073 case TARGET_NR_ugetrlimit
:
11075 struct rlimit rlim
;
11076 int resource
= target_to_host_resource(arg1
);
11077 ret
= get_errno(getrlimit(resource
, &rlim
));
11078 if (!is_error(ret
)) {
11079 struct target_rlimit
*target_rlim
;
11080 if (!lock_user_struct(VERIFY_WRITE
, target_rlim
, arg2
, 0))
11082 target_rlim
->rlim_cur
= host_to_target_rlim(rlim
.rlim_cur
);
11083 target_rlim
->rlim_max
= host_to_target_rlim(rlim
.rlim_max
);
11084 unlock_user_struct(target_rlim
, arg2
, 1);
11089 #ifdef TARGET_NR_truncate64
11090 case TARGET_NR_truncate64
:
11091 if (!(p
= lock_user_string(arg1
)))
11093 ret
= target_truncate64(cpu_env
, p
, arg2
, arg3
, arg4
);
11094 unlock_user(p
, arg1
, 0);
11097 #ifdef TARGET_NR_ftruncate64
11098 case TARGET_NR_ftruncate64
:
11099 ret
= target_ftruncate64(cpu_env
, arg1
, arg2
, arg3
, arg4
);
11102 #ifdef TARGET_NR_stat64
11103 case TARGET_NR_stat64
:
11104 if (!(p
= lock_user_string(arg1
)))
11106 ret
= get_errno(stat(path(p
), &st
));
11107 unlock_user(p
, arg1
, 0);
11108 if (!is_error(ret
))
11109 ret
= host_to_target_stat64(cpu_env
, arg2
, &st
);
11112 #ifdef TARGET_NR_lstat64
11113 case TARGET_NR_lstat64
:
11114 if (!(p
= lock_user_string(arg1
)))
11116 ret
= get_errno(lstat(path(p
), &st
));
11117 unlock_user(p
, arg1
, 0);
11118 if (!is_error(ret
))
11119 ret
= host_to_target_stat64(cpu_env
, arg2
, &st
);
11122 #ifdef TARGET_NR_fstat64
11123 case TARGET_NR_fstat64
:
11124 ret
= get_errno(fstat(arg1
, &st
));
11125 if (!is_error(ret
))
11126 ret
= host_to_target_stat64(cpu_env
, arg2
, &st
);
11129 #if (defined(TARGET_NR_fstatat64) || defined(TARGET_NR_newfstatat))
11130 #ifdef TARGET_NR_fstatat64
11131 case TARGET_NR_fstatat64
:
11133 #ifdef TARGET_NR_newfstatat
11134 case TARGET_NR_newfstatat
:
11136 if (!(p
= lock_user_string(arg2
)))
11138 ret
= get_errno(fstatat(arg1
, path(p
), &st
, arg4
));
11139 if (!is_error(ret
))
11140 ret
= host_to_target_stat64(cpu_env
, arg3
, &st
);
11143 #ifdef TARGET_NR_lchown
11144 case TARGET_NR_lchown
:
11145 if (!(p
= lock_user_string(arg1
)))
11147 ret
= get_errno(lchown(p
, low2highuid(arg2
), low2highgid(arg3
)));
11148 unlock_user(p
, arg1
, 0);
11151 #ifdef TARGET_NR_getuid
11152 case TARGET_NR_getuid
:
11153 ret
= get_errno(high2lowuid(getuid()));
11156 #ifdef TARGET_NR_getgid
11157 case TARGET_NR_getgid
:
11158 ret
= get_errno(high2lowgid(getgid()));
11161 #ifdef TARGET_NR_geteuid
11162 case TARGET_NR_geteuid
:
11163 ret
= get_errno(high2lowuid(geteuid()));
11166 #ifdef TARGET_NR_getegid
11167 case TARGET_NR_getegid
:
11168 ret
= get_errno(high2lowgid(getegid()));
11171 case TARGET_NR_setreuid
:
11172 ret
= get_errno(setreuid(low2highuid(arg1
), low2highuid(arg2
)));
11174 case TARGET_NR_setregid
:
11175 ret
= get_errno(setregid(low2highgid(arg1
), low2highgid(arg2
)));
11177 case TARGET_NR_getgroups
:
11179 int gidsetsize
= arg1
;
11180 target_id
*target_grouplist
;
11184 grouplist
= alloca(gidsetsize
* sizeof(gid_t
));
11185 ret
= get_errno(getgroups(gidsetsize
, grouplist
));
11186 if (gidsetsize
== 0)
11188 if (!is_error(ret
)) {
11189 target_grouplist
= lock_user(VERIFY_WRITE
, arg2
, gidsetsize
* sizeof(target_id
), 0);
11190 if (!target_grouplist
)
11192 for(i
= 0;i
< ret
; i
++)
11193 target_grouplist
[i
] = tswapid(high2lowgid(grouplist
[i
]));
11194 unlock_user(target_grouplist
, arg2
, gidsetsize
* sizeof(target_id
));
11198 case TARGET_NR_setgroups
:
11200 int gidsetsize
= arg1
;
11201 target_id
*target_grouplist
;
11202 gid_t
*grouplist
= NULL
;
11205 grouplist
= alloca(gidsetsize
* sizeof(gid_t
));
11206 target_grouplist
= lock_user(VERIFY_READ
, arg2
, gidsetsize
* sizeof(target_id
), 1);
11207 if (!target_grouplist
) {
11208 ret
= -TARGET_EFAULT
;
11211 for (i
= 0; i
< gidsetsize
; i
++) {
11212 grouplist
[i
] = low2highgid(tswapid(target_grouplist
[i
]));
11214 unlock_user(target_grouplist
, arg2
, 0);
11216 ret
= get_errno(setgroups(gidsetsize
, grouplist
));
11219 case TARGET_NR_fchown
:
11220 ret
= get_errno(fchown(arg1
, low2highuid(arg2
), low2highgid(arg3
)));
11222 #if defined(TARGET_NR_fchownat)
11223 case TARGET_NR_fchownat
:
11224 if (!(p
= lock_user_string(arg2
)))
11226 ret
= get_errno(fchownat(arg1
, p
, low2highuid(arg3
),
11227 low2highgid(arg4
), arg5
));
11228 unlock_user(p
, arg2
, 0);
11231 #ifdef TARGET_NR_setresuid
11232 case TARGET_NR_setresuid
:
11233 ret
= get_errno(sys_setresuid(low2highuid(arg1
),
11235 low2highuid(arg3
)));
11238 #ifdef TARGET_NR_getresuid
11239 case TARGET_NR_getresuid
:
11241 uid_t ruid
, euid
, suid
;
11242 ret
= get_errno(getresuid(&ruid
, &euid
, &suid
));
11243 if (!is_error(ret
)) {
11244 if (put_user_id(high2lowuid(ruid
), arg1
)
11245 || put_user_id(high2lowuid(euid
), arg2
)
11246 || put_user_id(high2lowuid(suid
), arg3
))
11252 #ifdef TARGET_NR_getresgid
11253 case TARGET_NR_setresgid
:
11254 ret
= get_errno(sys_setresgid(low2highgid(arg1
),
11256 low2highgid(arg3
)));
11259 #ifdef TARGET_NR_getresgid
11260 case TARGET_NR_getresgid
:
11262 gid_t rgid
, egid
, sgid
;
11263 ret
= get_errno(getresgid(&rgid
, &egid
, &sgid
));
11264 if (!is_error(ret
)) {
11265 if (put_user_id(high2lowgid(rgid
), arg1
)
11266 || put_user_id(high2lowgid(egid
), arg2
)
11267 || put_user_id(high2lowgid(sgid
), arg3
))
11273 #ifdef TARGET_NR_chown
11274 case TARGET_NR_chown
:
11275 if (!(p
= lock_user_string(arg1
)))
11277 ret
= get_errno(chown(p
, low2highuid(arg2
), low2highgid(arg3
)));
11278 unlock_user(p
, arg1
, 0);
11281 case TARGET_NR_setuid
:
11282 ret
= get_errno(sys_setuid(low2highuid(arg1
)));
11284 case TARGET_NR_setgid
:
11285 ret
= get_errno(sys_setgid(low2highgid(arg1
)));
11287 case TARGET_NR_setfsuid
:
11288 ret
= get_errno(setfsuid(arg1
));
11290 case TARGET_NR_setfsgid
:
11291 ret
= get_errno(setfsgid(arg1
));
11294 #ifdef TARGET_NR_lchown32
11295 case TARGET_NR_lchown32
:
11296 if (!(p
= lock_user_string(arg1
)))
11298 ret
= get_errno(lchown(p
, arg2
, arg3
));
11299 unlock_user(p
, arg1
, 0);
11302 #ifdef TARGET_NR_getuid32
11303 case TARGET_NR_getuid32
:
11304 ret
= get_errno(getuid());
11308 #if defined(TARGET_NR_getxuid) && defined(TARGET_ALPHA)
11309 /* Alpha specific */
11310 case TARGET_NR_getxuid
:
11314 ((CPUAlphaState
*)cpu_env
)->ir
[IR_A4
]=euid
;
11316 ret
= get_errno(getuid());
11319 #if defined(TARGET_NR_getxgid) && defined(TARGET_ALPHA)
11320 /* Alpha specific */
11321 case TARGET_NR_getxgid
:
11325 ((CPUAlphaState
*)cpu_env
)->ir
[IR_A4
]=egid
;
11327 ret
= get_errno(getgid());
11330 #if defined(TARGET_NR_osf_getsysinfo) && defined(TARGET_ALPHA)
11331 /* Alpha specific */
11332 case TARGET_NR_osf_getsysinfo
:
11333 ret
= -TARGET_EOPNOTSUPP
;
11335 case TARGET_GSI_IEEE_FP_CONTROL
:
11337 uint64_t swcr
, fpcr
= cpu_alpha_load_fpcr (cpu_env
);
11339 /* Copied from linux ieee_fpcr_to_swcr. */
11340 swcr
= (fpcr
>> 35) & SWCR_STATUS_MASK
;
11341 swcr
|= (fpcr
>> 36) & SWCR_MAP_DMZ
;
11342 swcr
|= (~fpcr
>> 48) & (SWCR_TRAP_ENABLE_INV
11343 | SWCR_TRAP_ENABLE_DZE
11344 | SWCR_TRAP_ENABLE_OVF
);
11345 swcr
|= (~fpcr
>> 57) & (SWCR_TRAP_ENABLE_UNF
11346 | SWCR_TRAP_ENABLE_INE
);
11347 swcr
|= (fpcr
>> 47) & SWCR_MAP_UMZ
;
11348 swcr
|= (~fpcr
>> 41) & SWCR_TRAP_ENABLE_DNO
;
11350 if (put_user_u64 (swcr
, arg2
))
11356 /* case GSI_IEEE_STATE_AT_SIGNAL:
11357 -- Not implemented in linux kernel.
11359 -- Retrieves current unaligned access state; not much used.
11360 case GSI_PROC_TYPE:
11361 -- Retrieves implver information; surely not used.
11362 case GSI_GET_HWRPB:
11363 -- Grabs a copy of the HWRPB; surely not used.
11368 #if defined(TARGET_NR_osf_setsysinfo) && defined(TARGET_ALPHA)
11369 /* Alpha specific */
11370 case TARGET_NR_osf_setsysinfo
:
11371 ret
= -TARGET_EOPNOTSUPP
;
11373 case TARGET_SSI_IEEE_FP_CONTROL
:
11375 uint64_t swcr
, fpcr
, orig_fpcr
;
11377 if (get_user_u64 (swcr
, arg2
)) {
11380 orig_fpcr
= cpu_alpha_load_fpcr(cpu_env
);
11381 fpcr
= orig_fpcr
& FPCR_DYN_MASK
;
11383 /* Copied from linux ieee_swcr_to_fpcr. */
11384 fpcr
|= (swcr
& SWCR_STATUS_MASK
) << 35;
11385 fpcr
|= (swcr
& SWCR_MAP_DMZ
) << 36;
11386 fpcr
|= (~swcr
& (SWCR_TRAP_ENABLE_INV
11387 | SWCR_TRAP_ENABLE_DZE
11388 | SWCR_TRAP_ENABLE_OVF
)) << 48;
11389 fpcr
|= (~swcr
& (SWCR_TRAP_ENABLE_UNF
11390 | SWCR_TRAP_ENABLE_INE
)) << 57;
11391 fpcr
|= (swcr
& SWCR_MAP_UMZ
? FPCR_UNDZ
| FPCR_UNFD
: 0);
11392 fpcr
|= (~swcr
& SWCR_TRAP_ENABLE_DNO
) << 41;
11394 cpu_alpha_store_fpcr(cpu_env
, fpcr
);
11399 case TARGET_SSI_IEEE_RAISE_EXCEPTION
:
11401 uint64_t exc
, fpcr
, orig_fpcr
;
11404 if (get_user_u64(exc
, arg2
)) {
11408 orig_fpcr
= cpu_alpha_load_fpcr(cpu_env
);
11410 /* We only add to the exception status here. */
11411 fpcr
= orig_fpcr
| ((exc
& SWCR_STATUS_MASK
) << 35);
11413 cpu_alpha_store_fpcr(cpu_env
, fpcr
);
11416 /* Old exceptions are not signaled. */
11417 fpcr
&= ~(orig_fpcr
& FPCR_STATUS_MASK
);
11419 /* If any exceptions set by this call,
11420 and are unmasked, send a signal. */
11422 if ((fpcr
& (FPCR_INE
| FPCR_INED
)) == FPCR_INE
) {
11423 si_code
= TARGET_FPE_FLTRES
;
11425 if ((fpcr
& (FPCR_UNF
| FPCR_UNFD
)) == FPCR_UNF
) {
11426 si_code
= TARGET_FPE_FLTUND
;
11428 if ((fpcr
& (FPCR_OVF
| FPCR_OVFD
)) == FPCR_OVF
) {
11429 si_code
= TARGET_FPE_FLTOVF
;
11431 if ((fpcr
& (FPCR_DZE
| FPCR_DZED
)) == FPCR_DZE
) {
11432 si_code
= TARGET_FPE_FLTDIV
;
11434 if ((fpcr
& (FPCR_INV
| FPCR_INVD
)) == FPCR_INV
) {
11435 si_code
= TARGET_FPE_FLTINV
;
11437 if (si_code
!= 0) {
11438 target_siginfo_t info
;
11439 info
.si_signo
= SIGFPE
;
11441 info
.si_code
= si_code
;
11442 info
._sifields
._sigfault
._addr
11443 = ((CPUArchState
*)cpu_env
)->pc
;
11444 queue_signal((CPUArchState
*)cpu_env
, info
.si_signo
,
11445 QEMU_SI_FAULT
, &info
);
11450 /* case SSI_NVPAIRS:
11451 -- Used with SSIN_UACPROC to enable unaligned accesses.
11452 case SSI_IEEE_STATE_AT_SIGNAL:
11453 case SSI_IEEE_IGNORE_STATE_AT_SIGNAL:
11454 -- Not implemented in linux kernel
11459 #ifdef TARGET_NR_osf_sigprocmask
11460 /* Alpha specific. */
11461 case TARGET_NR_osf_sigprocmask
:
11465 sigset_t set
, oldset
;
11468 case TARGET_SIG_BLOCK
:
11471 case TARGET_SIG_UNBLOCK
:
11474 case TARGET_SIG_SETMASK
:
11478 ret
= -TARGET_EINVAL
;
11482 target_to_host_old_sigset(&set
, &mask
);
11483 ret
= do_sigprocmask(how
, &set
, &oldset
);
11485 host_to_target_old_sigset(&mask
, &oldset
);
11492 #ifdef TARGET_NR_getgid32
11493 case TARGET_NR_getgid32
:
11494 ret
= get_errno(getgid());
11497 #ifdef TARGET_NR_geteuid32
11498 case TARGET_NR_geteuid32
:
11499 ret
= get_errno(geteuid());
11502 #ifdef TARGET_NR_getegid32
11503 case TARGET_NR_getegid32
:
11504 ret
= get_errno(getegid());
11507 #ifdef TARGET_NR_setreuid32
11508 case TARGET_NR_setreuid32
:
11509 ret
= get_errno(setreuid(arg1
, arg2
));
11512 #ifdef TARGET_NR_setregid32
11513 case TARGET_NR_setregid32
:
11514 ret
= get_errno(setregid(arg1
, arg2
));
11517 #ifdef TARGET_NR_getgroups32
11518 case TARGET_NR_getgroups32
:
11520 int gidsetsize
= arg1
;
11521 uint32_t *target_grouplist
;
11525 grouplist
= alloca(gidsetsize
* sizeof(gid_t
));
11526 ret
= get_errno(getgroups(gidsetsize
, grouplist
));
11527 if (gidsetsize
== 0)
11529 if (!is_error(ret
)) {
11530 target_grouplist
= lock_user(VERIFY_WRITE
, arg2
, gidsetsize
* 4, 0);
11531 if (!target_grouplist
) {
11532 ret
= -TARGET_EFAULT
;
11535 for(i
= 0;i
< ret
; i
++)
11536 target_grouplist
[i
] = tswap32(grouplist
[i
]);
11537 unlock_user(target_grouplist
, arg2
, gidsetsize
* 4);
11542 #ifdef TARGET_NR_setgroups32
11543 case TARGET_NR_setgroups32
:
11545 int gidsetsize
= arg1
;
11546 uint32_t *target_grouplist
;
11550 grouplist
= alloca(gidsetsize
* sizeof(gid_t
));
11551 target_grouplist
= lock_user(VERIFY_READ
, arg2
, gidsetsize
* 4, 1);
11552 if (!target_grouplist
) {
11553 ret
= -TARGET_EFAULT
;
11556 for(i
= 0;i
< gidsetsize
; i
++)
11557 grouplist
[i
] = tswap32(target_grouplist
[i
]);
11558 unlock_user(target_grouplist
, arg2
, 0);
11559 ret
= get_errno(setgroups(gidsetsize
, grouplist
));
11563 #ifdef TARGET_NR_fchown32
11564 case TARGET_NR_fchown32
:
11565 ret
= get_errno(fchown(arg1
, arg2
, arg3
));
11568 #ifdef TARGET_NR_setresuid32
11569 case TARGET_NR_setresuid32
:
11570 ret
= get_errno(sys_setresuid(arg1
, arg2
, arg3
));
11573 #ifdef TARGET_NR_getresuid32
11574 case TARGET_NR_getresuid32
:
11576 uid_t ruid
, euid
, suid
;
11577 ret
= get_errno(getresuid(&ruid
, &euid
, &suid
));
11578 if (!is_error(ret
)) {
11579 if (put_user_u32(ruid
, arg1
)
11580 || put_user_u32(euid
, arg2
)
11581 || put_user_u32(suid
, arg3
))
11587 #ifdef TARGET_NR_setresgid32
11588 case TARGET_NR_setresgid32
:
11589 ret
= get_errno(sys_setresgid(arg1
, arg2
, arg3
));
11592 #ifdef TARGET_NR_getresgid32
11593 case TARGET_NR_getresgid32
:
11595 gid_t rgid
, egid
, sgid
;
11596 ret
= get_errno(getresgid(&rgid
, &egid
, &sgid
));
11597 if (!is_error(ret
)) {
11598 if (put_user_u32(rgid
, arg1
)
11599 || put_user_u32(egid
, arg2
)
11600 || put_user_u32(sgid
, arg3
))
11606 #ifdef TARGET_NR_chown32
11607 case TARGET_NR_chown32
:
11608 if (!(p
= lock_user_string(arg1
)))
11610 ret
= get_errno(chown(p
, arg2
, arg3
));
11611 unlock_user(p
, arg1
, 0);
11614 #ifdef TARGET_NR_setuid32
11615 case TARGET_NR_setuid32
:
11616 ret
= get_errno(sys_setuid(arg1
));
11619 #ifdef TARGET_NR_setgid32
11620 case TARGET_NR_setgid32
:
11621 ret
= get_errno(sys_setgid(arg1
));
11624 #ifdef TARGET_NR_setfsuid32
11625 case TARGET_NR_setfsuid32
:
11626 ret
= get_errno(setfsuid(arg1
));
11629 #ifdef TARGET_NR_setfsgid32
11630 case TARGET_NR_setfsgid32
:
11631 ret
= get_errno(setfsgid(arg1
));
11635 case TARGET_NR_pivot_root
:
11636 goto unimplemented
;
11637 #ifdef TARGET_NR_mincore
11638 case TARGET_NR_mincore
:
11641 ret
= -TARGET_ENOMEM
;
11642 a
= lock_user(VERIFY_READ
, arg1
, arg2
, 0);
11646 ret
= -TARGET_EFAULT
;
11647 p
= lock_user_string(arg3
);
11651 ret
= get_errno(mincore(a
, arg2
, p
));
11652 unlock_user(p
, arg3
, ret
);
11654 unlock_user(a
, arg1
, 0);
11658 #ifdef TARGET_NR_arm_fadvise64_64
11659 case TARGET_NR_arm_fadvise64_64
:
11660 /* arm_fadvise64_64 looks like fadvise64_64 but
11661 * with different argument order: fd, advice, offset, len
11662 * rather than the usual fd, offset, len, advice.
11663 * Note that offset and len are both 64-bit so appear as
11664 * pairs of 32-bit registers.
11666 ret
= posix_fadvise(arg1
, target_offset64(arg3
, arg4
),
11667 target_offset64(arg5
, arg6
), arg2
);
11668 ret
= -host_to_target_errno(ret
);
11672 #if TARGET_ABI_BITS == 32
11674 #ifdef TARGET_NR_fadvise64_64
11675 case TARGET_NR_fadvise64_64
:
11676 #if defined(TARGET_PPC) || defined(TARGET_XTENSA)
11677 /* 6 args: fd, advice, offset (high, low), len (high, low) */
11685 /* 6 args: fd, offset (high, low), len (high, low), advice */
11686 if (regpairs_aligned(cpu_env
, num
)) {
11687 /* offset is in (3,4), len in (5,6) and advice in 7 */
11695 ret
= -host_to_target_errno(posix_fadvise(arg1
,
11696 target_offset64(arg2
, arg3
),
11697 target_offset64(arg4
, arg5
),
11702 #ifdef TARGET_NR_fadvise64
11703 case TARGET_NR_fadvise64
:
11704 /* 5 args: fd, offset (high, low), len, advice */
11705 if (regpairs_aligned(cpu_env
, num
)) {
11706 /* offset is in (3,4), len in 5 and advice in 6 */
11712 ret
= -host_to_target_errno(posix_fadvise(arg1
,
11713 target_offset64(arg2
, arg3
),
11718 #else /* not a 32-bit ABI */
11719 #if defined(TARGET_NR_fadvise64_64) || defined(TARGET_NR_fadvise64)
11720 #ifdef TARGET_NR_fadvise64_64
11721 case TARGET_NR_fadvise64_64
:
11723 #ifdef TARGET_NR_fadvise64
11724 case TARGET_NR_fadvise64
:
11726 #ifdef TARGET_S390X
11728 case 4: arg4
= POSIX_FADV_NOREUSE
+ 1; break; /* make sure it's an invalid value */
11729 case 5: arg4
= POSIX_FADV_NOREUSE
+ 2; break; /* ditto */
11730 case 6: arg4
= POSIX_FADV_DONTNEED
; break;
11731 case 7: arg4
= POSIX_FADV_NOREUSE
; break;
11735 ret
= -host_to_target_errno(posix_fadvise(arg1
, arg2
, arg3
, arg4
));
11738 #endif /* end of 64-bit ABI fadvise handling */
11740 #ifdef TARGET_NR_madvise
11741 case TARGET_NR_madvise
:
11742 /* A straight passthrough may not be safe because qemu sometimes
11743 turns private file-backed mappings into anonymous mappings.
11744 This will break MADV_DONTNEED.
11745 This is a hint, so ignoring and returning success is ok. */
11746 ret
= get_errno(0);
11749 #if TARGET_ABI_BITS == 32
11750 case TARGET_NR_fcntl64
:
11754 from_flock64_fn
*copyfrom
= copy_from_user_flock64
;
11755 to_flock64_fn
*copyto
= copy_to_user_flock64
;
11758 if (!((CPUARMState
*)cpu_env
)->eabi
) {
11759 copyfrom
= copy_from_user_oabi_flock64
;
11760 copyto
= copy_to_user_oabi_flock64
;
11764 cmd
= target_to_host_fcntl_cmd(arg2
);
11765 if (cmd
== -TARGET_EINVAL
) {
11771 case TARGET_F_GETLK64
:
11772 ret
= copyfrom(&fl
, arg3
);
11776 ret
= get_errno(safe_fcntl(arg1
, cmd
, &fl
));
11778 ret
= copyto(arg3
, &fl
);
11782 case TARGET_F_SETLK64
:
11783 case TARGET_F_SETLKW64
:
11784 ret
= copyfrom(&fl
, arg3
);
11788 ret
= get_errno(safe_fcntl(arg1
, cmd
, &fl
));
11791 ret
= do_fcntl(arg1
, arg2
, arg3
);
11797 #ifdef TARGET_NR_cacheflush
11798 case TARGET_NR_cacheflush
:
11799 /* self-modifying code is handled automatically, so nothing needed */
11803 #ifdef TARGET_NR_security
11804 case TARGET_NR_security
:
11805 goto unimplemented
;
11807 #ifdef TARGET_NR_getpagesize
11808 case TARGET_NR_getpagesize
:
11809 ret
= TARGET_PAGE_SIZE
;
11812 case TARGET_NR_gettid
:
11813 ret
= get_errno(gettid());
11815 #ifdef TARGET_NR_readahead
11816 case TARGET_NR_readahead
:
11817 #if TARGET_ABI_BITS == 32
11818 if (regpairs_aligned(cpu_env
, num
)) {
11823 ret
= get_errno(readahead(arg1
, target_offset64(arg2
, arg3
) , arg4
));
11825 ret
= get_errno(readahead(arg1
, arg2
, arg3
));
11830 #ifdef TARGET_NR_setxattr
11831 case TARGET_NR_listxattr
:
11832 case TARGET_NR_llistxattr
:
11836 b
= lock_user(VERIFY_WRITE
, arg2
, arg3
, 0);
11838 ret
= -TARGET_EFAULT
;
11842 p
= lock_user_string(arg1
);
11844 if (num
== TARGET_NR_listxattr
) {
11845 ret
= get_errno(listxattr(p
, b
, arg3
));
11847 ret
= get_errno(llistxattr(p
, b
, arg3
));
11850 ret
= -TARGET_EFAULT
;
11852 unlock_user(p
, arg1
, 0);
11853 unlock_user(b
, arg2
, arg3
);
11856 case TARGET_NR_flistxattr
:
11860 b
= lock_user(VERIFY_WRITE
, arg2
, arg3
, 0);
11862 ret
= -TARGET_EFAULT
;
11866 ret
= get_errno(flistxattr(arg1
, b
, arg3
));
11867 unlock_user(b
, arg2
, arg3
);
11870 case TARGET_NR_setxattr
:
11871 case TARGET_NR_lsetxattr
:
11873 void *p
, *n
, *v
= 0;
11875 v
= lock_user(VERIFY_READ
, arg3
, arg4
, 1);
11877 ret
= -TARGET_EFAULT
;
11881 p
= lock_user_string(arg1
);
11882 n
= lock_user_string(arg2
);
11884 if (num
== TARGET_NR_setxattr
) {
11885 ret
= get_errno(setxattr(p
, n
, v
, arg4
, arg5
));
11887 ret
= get_errno(lsetxattr(p
, n
, v
, arg4
, arg5
));
11890 ret
= -TARGET_EFAULT
;
11892 unlock_user(p
, arg1
, 0);
11893 unlock_user(n
, arg2
, 0);
11894 unlock_user(v
, arg3
, 0);
11897 case TARGET_NR_fsetxattr
:
11901 v
= lock_user(VERIFY_READ
, arg3
, arg4
, 1);
11903 ret
= -TARGET_EFAULT
;
11907 n
= lock_user_string(arg2
);
11909 ret
= get_errno(fsetxattr(arg1
, n
, v
, arg4
, arg5
));
11911 ret
= -TARGET_EFAULT
;
11913 unlock_user(n
, arg2
, 0);
11914 unlock_user(v
, arg3
, 0);
11917 case TARGET_NR_getxattr
:
11918 case TARGET_NR_lgetxattr
:
11920 void *p
, *n
, *v
= 0;
11922 v
= lock_user(VERIFY_WRITE
, arg3
, arg4
, 0);
11924 ret
= -TARGET_EFAULT
;
11928 p
= lock_user_string(arg1
);
11929 n
= lock_user_string(arg2
);
11931 if (num
== TARGET_NR_getxattr
) {
11932 ret
= get_errno(getxattr(p
, n
, v
, arg4
));
11934 ret
= get_errno(lgetxattr(p
, n
, v
, arg4
));
11937 ret
= -TARGET_EFAULT
;
11939 unlock_user(p
, arg1
, 0);
11940 unlock_user(n
, arg2
, 0);
11941 unlock_user(v
, arg3
, arg4
);
11944 case TARGET_NR_fgetxattr
:
11948 v
= lock_user(VERIFY_WRITE
, arg3
, arg4
, 0);
11950 ret
= -TARGET_EFAULT
;
11954 n
= lock_user_string(arg2
);
11956 ret
= get_errno(fgetxattr(arg1
, n
, v
, arg4
));
11958 ret
= -TARGET_EFAULT
;
11960 unlock_user(n
, arg2
, 0);
11961 unlock_user(v
, arg3
, arg4
);
11964 case TARGET_NR_removexattr
:
11965 case TARGET_NR_lremovexattr
:
11968 p
= lock_user_string(arg1
);
11969 n
= lock_user_string(arg2
);
11971 if (num
== TARGET_NR_removexattr
) {
11972 ret
= get_errno(removexattr(p
, n
));
11974 ret
= get_errno(lremovexattr(p
, n
));
11977 ret
= -TARGET_EFAULT
;
11979 unlock_user(p
, arg1
, 0);
11980 unlock_user(n
, arg2
, 0);
11983 case TARGET_NR_fremovexattr
:
11986 n
= lock_user_string(arg2
);
11988 ret
= get_errno(fremovexattr(arg1
, n
));
11990 ret
= -TARGET_EFAULT
;
11992 unlock_user(n
, arg2
, 0);
11996 #endif /* CONFIG_ATTR */
11997 #ifdef TARGET_NR_set_thread_area
11998 case TARGET_NR_set_thread_area
:
11999 #if defined(TARGET_MIPS)
12000 ((CPUMIPSState
*) cpu_env
)->active_tc
.CP0_UserLocal
= arg1
;
12003 #elif defined(TARGET_CRIS)
12005 ret
= -TARGET_EINVAL
;
12007 ((CPUCRISState
*) cpu_env
)->pregs
[PR_PID
] = arg1
;
12011 #elif defined(TARGET_I386) && defined(TARGET_ABI32)
12012 ret
= do_set_thread_area(cpu_env
, arg1
);
12014 #elif defined(TARGET_M68K)
12016 TaskState
*ts
= cpu
->opaque
;
12017 ts
->tp_value
= arg1
;
12022 goto unimplemented_nowarn
;
12025 #ifdef TARGET_NR_get_thread_area
12026 case TARGET_NR_get_thread_area
:
12027 #if defined(TARGET_I386) && defined(TARGET_ABI32)
12028 ret
= do_get_thread_area(cpu_env
, arg1
);
12030 #elif defined(TARGET_M68K)
12032 TaskState
*ts
= cpu
->opaque
;
12033 ret
= ts
->tp_value
;
12037 goto unimplemented_nowarn
;
12040 #ifdef TARGET_NR_getdomainname
12041 case TARGET_NR_getdomainname
:
12042 goto unimplemented_nowarn
;
12045 #ifdef TARGET_NR_clock_settime
12046 case TARGET_NR_clock_settime
:
12048 struct timespec ts
;
12050 ret
= target_to_host_timespec(&ts
, arg2
);
12051 if (!is_error(ret
)) {
12052 ret
= get_errno(clock_settime(arg1
, &ts
));
12057 #ifdef TARGET_NR_clock_gettime
12058 case TARGET_NR_clock_gettime
:
12060 struct timespec ts
;
12061 ret
= get_errno(clock_gettime(arg1
, &ts
));
12062 if (!is_error(ret
)) {
12063 ret
= host_to_target_timespec(arg2
, &ts
);
12068 #ifdef TARGET_NR_clock_getres
12069 case TARGET_NR_clock_getres
:
12071 struct timespec ts
;
12072 ret
= get_errno(clock_getres(arg1
, &ts
));
12073 if (!is_error(ret
)) {
12074 host_to_target_timespec(arg2
, &ts
);
12079 #ifdef TARGET_NR_clock_nanosleep
12080 case TARGET_NR_clock_nanosleep
:
12082 struct timespec ts
;
12083 target_to_host_timespec(&ts
, arg3
);
12084 ret
= get_errno(safe_clock_nanosleep(arg1
, arg2
,
12085 &ts
, arg4
? &ts
: NULL
));
12087 host_to_target_timespec(arg4
, &ts
);
12089 #if defined(TARGET_PPC)
12090 /* clock_nanosleep is odd in that it returns positive errno values.
12091 * On PPC, CR0 bit 3 should be set in such a situation. */
12092 if (ret
&& ret
!= -TARGET_ERESTARTSYS
) {
12093 ((CPUPPCState
*)cpu_env
)->crf
[0] |= 1;
12100 #if defined(TARGET_NR_set_tid_address) && defined(__NR_set_tid_address)
12101 case TARGET_NR_set_tid_address
:
12102 ret
= get_errno(set_tid_address((int *)g2h(arg1
)));
12106 case TARGET_NR_tkill
:
12107 ret
= get_errno(safe_tkill((int)arg1
, target_to_host_signal(arg2
)));
12110 case TARGET_NR_tgkill
:
12111 ret
= get_errno(safe_tgkill((int)arg1
, (int)arg2
,
12112 target_to_host_signal(arg3
)));
12115 #ifdef TARGET_NR_set_robust_list
12116 case TARGET_NR_set_robust_list
:
12117 case TARGET_NR_get_robust_list
:
12118 /* The ABI for supporting robust futexes has userspace pass
12119 * the kernel a pointer to a linked list which is updated by
12120 * userspace after the syscall; the list is walked by the kernel
12121 * when the thread exits. Since the linked list in QEMU guest
12122 * memory isn't a valid linked list for the host and we have
12123 * no way to reliably intercept the thread-death event, we can't
12124 * support these. Silently return ENOSYS so that guest userspace
12125 * falls back to a non-robust futex implementation (which should
12126 * be OK except in the corner case of the guest crashing while
12127 * holding a mutex that is shared with another process via
12130 goto unimplemented_nowarn
;
12133 #if defined(TARGET_NR_utimensat)
12134 case TARGET_NR_utimensat
:
12136 struct timespec
*tsp
, ts
[2];
12140 target_to_host_timespec(ts
, arg3
);
12141 target_to_host_timespec(ts
+1, arg3
+sizeof(struct target_timespec
));
12145 ret
= get_errno(sys_utimensat(arg1
, NULL
, tsp
, arg4
));
12147 if (!(p
= lock_user_string(arg2
))) {
12148 ret
= -TARGET_EFAULT
;
12151 ret
= get_errno(sys_utimensat(arg1
, path(p
), tsp
, arg4
));
12152 unlock_user(p
, arg2
, 0);
12157 case TARGET_NR_futex
:
12158 ret
= do_futex(arg1
, arg2
, arg3
, arg4
, arg5
, arg6
);
12160 #if defined(TARGET_NR_inotify_init) && defined(__NR_inotify_init)
12161 case TARGET_NR_inotify_init
:
12162 ret
= get_errno(sys_inotify_init());
12164 fd_trans_register(ret
, &target_inotify_trans
);
12168 #ifdef CONFIG_INOTIFY1
12169 #if defined(TARGET_NR_inotify_init1) && defined(__NR_inotify_init1)
12170 case TARGET_NR_inotify_init1
:
12171 ret
= get_errno(sys_inotify_init1(target_to_host_bitmask(arg1
,
12172 fcntl_flags_tbl
)));
12174 fd_trans_register(ret
, &target_inotify_trans
);
12179 #if defined(TARGET_NR_inotify_add_watch) && defined(__NR_inotify_add_watch)
12180 case TARGET_NR_inotify_add_watch
:
12181 p
= lock_user_string(arg2
);
12182 ret
= get_errno(sys_inotify_add_watch(arg1
, path(p
), arg3
));
12183 unlock_user(p
, arg2
, 0);
12186 #if defined(TARGET_NR_inotify_rm_watch) && defined(__NR_inotify_rm_watch)
12187 case TARGET_NR_inotify_rm_watch
:
12188 ret
= get_errno(sys_inotify_rm_watch(arg1
, arg2
));
12192 #if defined(TARGET_NR_mq_open) && defined(__NR_mq_open)
12193 case TARGET_NR_mq_open
:
12195 struct mq_attr posix_mq_attr
;
12196 struct mq_attr
*pposix_mq_attr
;
12199 host_flags
= target_to_host_bitmask(arg2
, fcntl_flags_tbl
);
12200 pposix_mq_attr
= NULL
;
12202 if (copy_from_user_mq_attr(&posix_mq_attr
, arg4
) != 0) {
12205 pposix_mq_attr
= &posix_mq_attr
;
12207 p
= lock_user_string(arg1
- 1);
12211 ret
= get_errno(mq_open(p
, host_flags
, arg3
, pposix_mq_attr
));
12212 unlock_user (p
, arg1
, 0);
12216 case TARGET_NR_mq_unlink
:
12217 p
= lock_user_string(arg1
- 1);
12219 ret
= -TARGET_EFAULT
;
12222 ret
= get_errno(mq_unlink(p
));
12223 unlock_user (p
, arg1
, 0);
12226 case TARGET_NR_mq_timedsend
:
12228 struct timespec ts
;
12230 p
= lock_user (VERIFY_READ
, arg2
, arg3
, 1);
12232 target_to_host_timespec(&ts
, arg5
);
12233 ret
= get_errno(safe_mq_timedsend(arg1
, p
, arg3
, arg4
, &ts
));
12234 host_to_target_timespec(arg5
, &ts
);
12236 ret
= get_errno(safe_mq_timedsend(arg1
, p
, arg3
, arg4
, NULL
));
12238 unlock_user (p
, arg2
, arg3
);
12242 case TARGET_NR_mq_timedreceive
:
12244 struct timespec ts
;
12247 p
= lock_user (VERIFY_READ
, arg2
, arg3
, 1);
12249 target_to_host_timespec(&ts
, arg5
);
12250 ret
= get_errno(safe_mq_timedreceive(arg1
, p
, arg3
,
12252 host_to_target_timespec(arg5
, &ts
);
12254 ret
= get_errno(safe_mq_timedreceive(arg1
, p
, arg3
,
12257 unlock_user (p
, arg2
, arg3
);
12259 put_user_u32(prio
, arg4
);
12263 /* Not implemented for now... */
12264 /* case TARGET_NR_mq_notify: */
12267 case TARGET_NR_mq_getsetattr
:
12269 struct mq_attr posix_mq_attr_in
, posix_mq_attr_out
;
12272 copy_from_user_mq_attr(&posix_mq_attr_in
, arg2
);
12273 ret
= get_errno(mq_setattr(arg1
, &posix_mq_attr_in
,
12274 &posix_mq_attr_out
));
12275 } else if (arg3
!= 0) {
12276 ret
= get_errno(mq_getattr(arg1
, &posix_mq_attr_out
));
12278 if (ret
== 0 && arg3
!= 0) {
12279 copy_to_user_mq_attr(arg3
, &posix_mq_attr_out
);
12285 #ifdef CONFIG_SPLICE
12286 #ifdef TARGET_NR_tee
12287 case TARGET_NR_tee
:
12289 ret
= get_errno(tee(arg1
,arg2
,arg3
,arg4
));
12293 #ifdef TARGET_NR_splice
12294 case TARGET_NR_splice
:
12296 loff_t loff_in
, loff_out
;
12297 loff_t
*ploff_in
= NULL
, *ploff_out
= NULL
;
12299 if (get_user_u64(loff_in
, arg2
)) {
12302 ploff_in
= &loff_in
;
12305 if (get_user_u64(loff_out
, arg4
)) {
12308 ploff_out
= &loff_out
;
12310 ret
= get_errno(splice(arg1
, ploff_in
, arg3
, ploff_out
, arg5
, arg6
));
12312 if (put_user_u64(loff_in
, arg2
)) {
12317 if (put_user_u64(loff_out
, arg4
)) {
12324 #ifdef TARGET_NR_vmsplice
12325 case TARGET_NR_vmsplice
:
12327 struct iovec
*vec
= lock_iovec(VERIFY_READ
, arg2
, arg3
, 1);
12329 ret
= get_errno(vmsplice(arg1
, vec
, arg3
, arg4
));
12330 unlock_iovec(vec
, arg2
, arg3
, 0);
12332 ret
= -host_to_target_errno(errno
);
12337 #endif /* CONFIG_SPLICE */
12338 #ifdef CONFIG_EVENTFD
12339 #if defined(TARGET_NR_eventfd)
12340 case TARGET_NR_eventfd
:
12341 ret
= get_errno(eventfd(arg1
, 0));
12343 fd_trans_register(ret
, &target_eventfd_trans
);
12347 #if defined(TARGET_NR_eventfd2)
12348 case TARGET_NR_eventfd2
:
12350 int host_flags
= arg2
& (~(TARGET_O_NONBLOCK
| TARGET_O_CLOEXEC
));
12351 if (arg2
& TARGET_O_NONBLOCK
) {
12352 host_flags
|= O_NONBLOCK
;
12354 if (arg2
& TARGET_O_CLOEXEC
) {
12355 host_flags
|= O_CLOEXEC
;
12357 ret
= get_errno(eventfd(arg1
, host_flags
));
12359 fd_trans_register(ret
, &target_eventfd_trans
);
12364 #endif /* CONFIG_EVENTFD */
12365 #if defined(CONFIG_FALLOCATE) && defined(TARGET_NR_fallocate)
12366 case TARGET_NR_fallocate
:
12367 #if TARGET_ABI_BITS == 32
12368 ret
= get_errno(fallocate(arg1
, arg2
, target_offset64(arg3
, arg4
),
12369 target_offset64(arg5
, arg6
)));
12371 ret
= get_errno(fallocate(arg1
, arg2
, arg3
, arg4
));
12375 #if defined(CONFIG_SYNC_FILE_RANGE)
12376 #if defined(TARGET_NR_sync_file_range)
12377 case TARGET_NR_sync_file_range
:
12378 #if TARGET_ABI_BITS == 32
12379 #if defined(TARGET_MIPS)
12380 ret
= get_errno(sync_file_range(arg1
, target_offset64(arg3
, arg4
),
12381 target_offset64(arg5
, arg6
), arg7
));
12383 ret
= get_errno(sync_file_range(arg1
, target_offset64(arg2
, arg3
),
12384 target_offset64(arg4
, arg5
), arg6
));
12385 #endif /* !TARGET_MIPS */
12387 ret
= get_errno(sync_file_range(arg1
, arg2
, arg3
, arg4
));
12391 #if defined(TARGET_NR_sync_file_range2)
12392 case TARGET_NR_sync_file_range2
:
12393 /* This is like sync_file_range but the arguments are reordered */
12394 #if TARGET_ABI_BITS == 32
12395 ret
= get_errno(sync_file_range(arg1
, target_offset64(arg3
, arg4
),
12396 target_offset64(arg5
, arg6
), arg2
));
12398 ret
= get_errno(sync_file_range(arg1
, arg3
, arg4
, arg2
));
12403 #if defined(TARGET_NR_signalfd4)
12404 case TARGET_NR_signalfd4
:
12405 ret
= do_signalfd4(arg1
, arg2
, arg4
);
12408 #if defined(TARGET_NR_signalfd)
12409 case TARGET_NR_signalfd
:
12410 ret
= do_signalfd4(arg1
, arg2
, 0);
12413 #if defined(CONFIG_EPOLL)
12414 #if defined(TARGET_NR_epoll_create)
12415 case TARGET_NR_epoll_create
:
12416 ret
= get_errno(epoll_create(arg1
));
12419 #if defined(TARGET_NR_epoll_create1) && defined(CONFIG_EPOLL_CREATE1)
12420 case TARGET_NR_epoll_create1
:
12421 ret
= get_errno(epoll_create1(arg1
));
12424 #if defined(TARGET_NR_epoll_ctl)
12425 case TARGET_NR_epoll_ctl
:
12427 struct epoll_event ep
;
12428 struct epoll_event
*epp
= 0;
12430 struct target_epoll_event
*target_ep
;
12431 if (!lock_user_struct(VERIFY_READ
, target_ep
, arg4
, 1)) {
12434 ep
.events
= tswap32(target_ep
->events
);
12435 /* The epoll_data_t union is just opaque data to the kernel,
12436 * so we transfer all 64 bits across and need not worry what
12437 * actual data type it is.
12439 ep
.data
.u64
= tswap64(target_ep
->data
.u64
);
12440 unlock_user_struct(target_ep
, arg4
, 0);
12443 ret
= get_errno(epoll_ctl(arg1
, arg2
, arg3
, epp
));
12448 #if defined(TARGET_NR_epoll_wait) || defined(TARGET_NR_epoll_pwait)
12449 #if defined(TARGET_NR_epoll_wait)
12450 case TARGET_NR_epoll_wait
:
12452 #if defined(TARGET_NR_epoll_pwait)
12453 case TARGET_NR_epoll_pwait
:
12456 struct target_epoll_event
*target_ep
;
12457 struct epoll_event
*ep
;
12459 int maxevents
= arg3
;
12460 int timeout
= arg4
;
12462 if (maxevents
<= 0 || maxevents
> TARGET_EP_MAX_EVENTS
) {
12463 ret
= -TARGET_EINVAL
;
12467 target_ep
= lock_user(VERIFY_WRITE
, arg2
,
12468 maxevents
* sizeof(struct target_epoll_event
), 1);
12473 ep
= g_try_new(struct epoll_event
, maxevents
);
12475 unlock_user(target_ep
, arg2
, 0);
12476 ret
= -TARGET_ENOMEM
;
12481 #if defined(TARGET_NR_epoll_pwait)
12482 case TARGET_NR_epoll_pwait
:
12484 target_sigset_t
*target_set
;
12485 sigset_t _set
, *set
= &_set
;
12488 if (arg6
!= sizeof(target_sigset_t
)) {
12489 ret
= -TARGET_EINVAL
;
12493 target_set
= lock_user(VERIFY_READ
, arg5
,
12494 sizeof(target_sigset_t
), 1);
12496 ret
= -TARGET_EFAULT
;
12499 target_to_host_sigset(set
, target_set
);
12500 unlock_user(target_set
, arg5
, 0);
12505 ret
= get_errno(safe_epoll_pwait(epfd
, ep
, maxevents
, timeout
,
12506 set
, SIGSET_T_SIZE
));
12510 #if defined(TARGET_NR_epoll_wait)
12511 case TARGET_NR_epoll_wait
:
12512 ret
= get_errno(safe_epoll_pwait(epfd
, ep
, maxevents
, timeout
,
12517 ret
= -TARGET_ENOSYS
;
12519 if (!is_error(ret
)) {
12521 for (i
= 0; i
< ret
; i
++) {
12522 target_ep
[i
].events
= tswap32(ep
[i
].events
);
12523 target_ep
[i
].data
.u64
= tswap64(ep
[i
].data
.u64
);
12525 unlock_user(target_ep
, arg2
,
12526 ret
* sizeof(struct target_epoll_event
));
12528 unlock_user(target_ep
, arg2
, 0);
12535 #ifdef TARGET_NR_prlimit64
12536 case TARGET_NR_prlimit64
:
12538 /* args: pid, resource number, ptr to new rlimit, ptr to old rlimit */
12539 struct target_rlimit64
*target_rnew
, *target_rold
;
12540 struct host_rlimit64 rnew
, rold
, *rnewp
= 0;
12541 int resource
= target_to_host_resource(arg2
);
12543 if (!lock_user_struct(VERIFY_READ
, target_rnew
, arg3
, 1)) {
12546 rnew
.rlim_cur
= tswap64(target_rnew
->rlim_cur
);
12547 rnew
.rlim_max
= tswap64(target_rnew
->rlim_max
);
12548 unlock_user_struct(target_rnew
, arg3
, 0);
12552 ret
= get_errno(sys_prlimit64(arg1
, resource
, rnewp
, arg4
? &rold
: 0));
12553 if (!is_error(ret
) && arg4
) {
12554 if (!lock_user_struct(VERIFY_WRITE
, target_rold
, arg4
, 1)) {
12557 target_rold
->rlim_cur
= tswap64(rold
.rlim_cur
);
12558 target_rold
->rlim_max
= tswap64(rold
.rlim_max
);
12559 unlock_user_struct(target_rold
, arg4
, 1);
12564 #ifdef TARGET_NR_gethostname
12565 case TARGET_NR_gethostname
:
12567 char *name
= lock_user(VERIFY_WRITE
, arg1
, arg2
, 0);
12569 ret
= get_errno(gethostname(name
, arg2
));
12570 unlock_user(name
, arg1
, arg2
);
12572 ret
= -TARGET_EFAULT
;
12577 #ifdef TARGET_NR_atomic_cmpxchg_32
12578 case TARGET_NR_atomic_cmpxchg_32
:
12580 /* should use start_exclusive from main.c */
12581 abi_ulong mem_value
;
12582 if (get_user_u32(mem_value
, arg6
)) {
12583 target_siginfo_t info
;
12584 info
.si_signo
= SIGSEGV
;
12586 info
.si_code
= TARGET_SEGV_MAPERR
;
12587 info
._sifields
._sigfault
._addr
= arg6
;
12588 queue_signal((CPUArchState
*)cpu_env
, info
.si_signo
,
12589 QEMU_SI_FAULT
, &info
);
12593 if (mem_value
== arg2
)
12594 put_user_u32(arg1
, arg6
);
12599 #ifdef TARGET_NR_atomic_barrier
12600 case TARGET_NR_atomic_barrier
:
12602 /* Like the kernel implementation and the qemu arm barrier, no-op this? */
12608 #ifdef TARGET_NR_timer_create
12609 case TARGET_NR_timer_create
:
12611 /* args: clockid_t clockid, struct sigevent *sevp, timer_t *timerid */
12613 struct sigevent host_sevp
= { {0}, }, *phost_sevp
= NULL
;
12616 int timer_index
= next_free_host_timer();
12618 if (timer_index
< 0) {
12619 ret
= -TARGET_EAGAIN
;
12621 timer_t
*phtimer
= g_posix_timers
+ timer_index
;
12624 phost_sevp
= &host_sevp
;
12625 ret
= target_to_host_sigevent(phost_sevp
, arg2
);
12631 ret
= get_errno(timer_create(clkid
, phost_sevp
, phtimer
));
12635 if (put_user(TIMER_MAGIC
| timer_index
, arg3
, target_timer_t
)) {
12644 #ifdef TARGET_NR_timer_settime
12645 case TARGET_NR_timer_settime
:
12647 /* args: timer_t timerid, int flags, const struct itimerspec *new_value,
12648 * struct itimerspec * old_value */
12649 target_timer_t timerid
= get_timer_id(arg1
);
12653 } else if (arg3
== 0) {
12654 ret
= -TARGET_EINVAL
;
12656 timer_t htimer
= g_posix_timers
[timerid
];
12657 struct itimerspec hspec_new
= {{0},}, hspec_old
= {{0},};
12659 if (target_to_host_itimerspec(&hspec_new
, arg3
)) {
12663 timer_settime(htimer
, arg2
, &hspec_new
, &hspec_old
));
12664 if (arg4
&& host_to_target_itimerspec(arg4
, &hspec_old
)) {
12672 #ifdef TARGET_NR_timer_gettime
12673 case TARGET_NR_timer_gettime
:
12675 /* args: timer_t timerid, struct itimerspec *curr_value */
12676 target_timer_t timerid
= get_timer_id(arg1
);
12680 } else if (!arg2
) {
12681 ret
= -TARGET_EFAULT
;
12683 timer_t htimer
= g_posix_timers
[timerid
];
12684 struct itimerspec hspec
;
12685 ret
= get_errno(timer_gettime(htimer
, &hspec
));
12687 if (host_to_target_itimerspec(arg2
, &hspec
)) {
12688 ret
= -TARGET_EFAULT
;
12695 #ifdef TARGET_NR_timer_getoverrun
12696 case TARGET_NR_timer_getoverrun
:
12698 /* args: timer_t timerid */
12699 target_timer_t timerid
= get_timer_id(arg1
);
12704 timer_t htimer
= g_posix_timers
[timerid
];
12705 ret
= get_errno(timer_getoverrun(htimer
));
12707 fd_trans_unregister(ret
);
12712 #ifdef TARGET_NR_timer_delete
12713 case TARGET_NR_timer_delete
:
12715 /* args: timer_t timerid */
12716 target_timer_t timerid
= get_timer_id(arg1
);
12721 timer_t htimer
= g_posix_timers
[timerid
];
12722 ret
= get_errno(timer_delete(htimer
));
12723 g_posix_timers
[timerid
] = 0;
12729 #if defined(TARGET_NR_timerfd_create) && defined(CONFIG_TIMERFD)
12730 case TARGET_NR_timerfd_create
:
12731 ret
= get_errno(timerfd_create(arg1
,
12732 target_to_host_bitmask(arg2
, fcntl_flags_tbl
)));
12736 #if defined(TARGET_NR_timerfd_gettime) && defined(CONFIG_TIMERFD)
12737 case TARGET_NR_timerfd_gettime
:
12739 struct itimerspec its_curr
;
12741 ret
= get_errno(timerfd_gettime(arg1
, &its_curr
));
12743 if (arg2
&& host_to_target_itimerspec(arg2
, &its_curr
)) {
12750 #if defined(TARGET_NR_timerfd_settime) && defined(CONFIG_TIMERFD)
12751 case TARGET_NR_timerfd_settime
:
12753 struct itimerspec its_new
, its_old
, *p_new
;
12756 if (target_to_host_itimerspec(&its_new
, arg3
)) {
12764 ret
= get_errno(timerfd_settime(arg1
, arg2
, p_new
, &its_old
));
12766 if (arg4
&& host_to_target_itimerspec(arg4
, &its_old
)) {
12773 #if defined(TARGET_NR_ioprio_get) && defined(__NR_ioprio_get)
12774 case TARGET_NR_ioprio_get
:
12775 ret
= get_errno(ioprio_get(arg1
, arg2
));
12779 #if defined(TARGET_NR_ioprio_set) && defined(__NR_ioprio_set)
12780 case TARGET_NR_ioprio_set
:
12781 ret
= get_errno(ioprio_set(arg1
, arg2
, arg3
));
12785 #if defined(TARGET_NR_setns) && defined(CONFIG_SETNS)
12786 case TARGET_NR_setns
:
12787 ret
= get_errno(setns(arg1
, arg2
));
12790 #if defined(TARGET_NR_unshare) && defined(CONFIG_SETNS)
12791 case TARGET_NR_unshare
:
12792 ret
= get_errno(unshare(arg1
));
12795 #if defined(TARGET_NR_kcmp) && defined(__NR_kcmp)
12796 case TARGET_NR_kcmp
:
12797 ret
= get_errno(kcmp(arg1
, arg2
, arg3
, arg4
, arg5
));
12800 #ifdef TARGET_NR_swapcontext
12801 case TARGET_NR_swapcontext
:
12802 /* PowerPC specific. */
12803 ret
= do_swapcontext(cpu_env
, arg1
, arg2
, arg3
);
12809 qemu_log_mask(LOG_UNIMP
, "Unsupported syscall: %d\n", num
);
12810 #if defined(TARGET_NR_setxattr) || defined(TARGET_NR_get_thread_area) || defined(TARGET_NR_getdomainname) || defined(TARGET_NR_set_robust_list)
12811 unimplemented_nowarn
:
12813 ret
= -TARGET_ENOSYS
;
12818 gemu_log(" = " TARGET_ABI_FMT_ld
"\n", ret
);
12821 print_syscall_ret(num
, ret
);
12822 trace_guest_user_syscall_ret(cpu
, num
, ret
);
12825 ret
= -TARGET_EFAULT
;