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19#define _ATFILE_SOURCE
20#include "qemu/osdep.h"
21#include "qemu/cutils.h"
22#include "qemu/path.h"
23#include <elf.h>
24#include <endian.h>
25#include <grp.h>
26#include <sys/ipc.h>
27#include <sys/msg.h>
28#include <sys/wait.h>
29#include <sys/mount.h>
30#include <sys/file.h>
31#include <sys/fsuid.h>
32#include <sys/personality.h>
33#include <sys/prctl.h>
34#include <sys/resource.h>
35#include <sys/swap.h>
36#include <linux/capability.h>
37#include <sched.h>
38#ifdef __ia64__
39int __clone2(int (*fn)(void *), void *child_stack_base,
40 size_t stack_size, int flags, void *arg, ...);
41#endif
42#include <sys/socket.h>
43#include <sys/un.h>
44#include <sys/uio.h>
45#include <sys/poll.h>
46#include <sys/times.h>
47#include <sys/shm.h>
48#include <sys/sem.h>
49#include <sys/statfs.h>
50#include <utime.h>
51#include <sys/sysinfo.h>
52#include <sys/signalfd.h>
53
54#include <netinet/ip.h>
55#include <netinet/tcp.h>
56#include <linux/wireless.h>
57#include <linux/icmp.h>
58#include "qemu-common.h"
59#ifdef CONFIG_TIMERFD
60#include <sys/timerfd.h>
61#endif
62#ifdef TARGET_GPROF
63#include <sys/gmon.h>
64#endif
65#ifdef CONFIG_EVENTFD
66#include <sys/eventfd.h>
67#endif
68#ifdef CONFIG_EPOLL
69#include <sys/epoll.h>
70#endif
71#ifdef CONFIG_ATTR
72#include "qemu/xattr.h"
73#endif
74#ifdef CONFIG_SENDFILE
75#include <sys/sendfile.h>
76#endif
77
78#define termios host_termios
79#define winsize host_winsize
80#define termio host_termio
81#define sgttyb host_sgttyb
82#define tchars host_tchars
83#define ltchars host_ltchars
84
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>
90#include <linux/kd.h>
91#include <linux/mtio.h>
92#include <linux/fs.h>
93#if defined(CONFIG_FIEMAP)
94#include <linux/fiemap.h>
95#endif
96#include <linux/fb.h>
97#include <linux/vt.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>
108#endif
109#include <linux/audit.h>
110#include "linux_loop.h"
111#include "uname.h"
112
113#include "qemu.h"
114
115#define CLONE_NPTL_FLAGS2 (CLONE_SETTLS | \
116 CLONE_PARENT_SETTID | CLONE_CHILD_SETTID | CLONE_CHILD_CLEARTID)
117
118
119
120
121
122
123
124
125#define VFAT_IOCTL_READDIR_BOTH _IOR('r', 1, struct linux_dirent [2])
126#define VFAT_IOCTL_READDIR_SHORT _IOR('r', 2, struct linux_dirent [2])
127
128#undef _syscall0
129#undef _syscall1
130#undef _syscall2
131#undef _syscall3
132#undef _syscall4
133#undef _syscall5
134#undef _syscall6
135
136#define _syscall0(type,name) \
137static type name (void) \
138{ \
139 return syscall(__NR_##name); \
140}
141
142#define _syscall1(type,name,type1,arg1) \
143static type name (type1 arg1) \
144{ \
145 return syscall(__NR_##name, arg1); \
146}
147
148#define _syscall2(type,name,type1,arg1,type2,arg2) \
149static type name (type1 arg1,type2 arg2) \
150{ \
151 return syscall(__NR_##name, arg1, arg2); \
152}
153
154#define _syscall3(type,name,type1,arg1,type2,arg2,type3,arg3) \
155static type name (type1 arg1,type2 arg2,type3 arg3) \
156{ \
157 return syscall(__NR_##name, arg1, arg2, arg3); \
158}
159
160#define _syscall4(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4) \
161static type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4) \
162{ \
163 return syscall(__NR_##name, arg1, arg2, arg3, arg4); \
164}
165
166#define _syscall5(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4, \
167 type5,arg5) \
168static type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4,type5 arg5) \
169{ \
170 return syscall(__NR_##name, arg1, arg2, arg3, arg4, arg5); \
171}
172
173
174#define _syscall6(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4, \
175 type5,arg5,type6,arg6) \
176static type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4,type5 arg5, \
177 type6 arg6) \
178{ \
179 return syscall(__NR_##name, arg1, arg2, arg3, arg4, arg5, arg6); \
180}
181
182
183#define __NR_sys_uname __NR_uname
184#define __NR_sys_getcwd1 __NR_getcwd
185#define __NR_sys_getdents __NR_getdents
186#define __NR_sys_getdents64 __NR_getdents64
187#define __NR_sys_getpriority __NR_getpriority
188#define __NR_sys_rt_sigqueueinfo __NR_rt_sigqueueinfo
189#define __NR_sys_syslog __NR_syslog
190#define __NR_sys_futex __NR_futex
191#define __NR_sys_inotify_init __NR_inotify_init
192#define __NR_sys_inotify_add_watch __NR_inotify_add_watch
193#define __NR_sys_inotify_rm_watch __NR_inotify_rm_watch
194
195#if defined(__alpha__) || defined (__ia64__) || defined(__x86_64__) || \
196 defined(__s390x__)
197#define __NR__llseek __NR_lseek
198#endif
199
200
201#if defined(TARGET_NR_llseek) && !defined(TARGET_NR__llseek)
202#define TARGET_NR__llseek TARGET_NR_llseek
203#endif
204
205#ifdef __NR_gettid
206_syscall0(int, gettid)
207#else
208
209
210static int gettid(void) {
211 return -ENOSYS;
212}
213#endif
214#if defined(TARGET_NR_getdents) && defined(__NR_getdents)
215_syscall3(int, sys_getdents, uint, fd, struct linux_dirent *, dirp, uint, count);
216#endif
217#if !defined(__NR_getdents) || \
218 (defined(TARGET_NR_getdents64) && defined(__NR_getdents64))
219_syscall3(int, sys_getdents64, uint, fd, struct linux_dirent64 *, dirp, uint, count);
220#endif
221#if defined(TARGET_NR__llseek) && defined(__NR_llseek)
222_syscall5(int, _llseek, uint, fd, ulong, hi, ulong, lo,
223 loff_t *, res, uint, wh);
224#endif
225_syscall3(int,sys_rt_sigqueueinfo,int,pid,int,sig,siginfo_t *,uinfo)
226_syscall3(int,sys_syslog,int,type,char*,bufp,int,len)
227#ifdef __NR_exit_group
228_syscall1(int,exit_group,int,error_code)
229#endif
230#if defined(TARGET_NR_set_tid_address) && defined(__NR_set_tid_address)
231_syscall1(int,set_tid_address,int *,tidptr)
232#endif
233#if defined(TARGET_NR_futex) && defined(__NR_futex)
234_syscall6(int,sys_futex,int *,uaddr,int,op,int,val,
235 const struct timespec *,timeout,int *,uaddr2,int,val3)
236#endif
237#define __NR_sys_sched_getaffinity __NR_sched_getaffinity
238_syscall3(int, sys_sched_getaffinity, pid_t, pid, unsigned int, len,
239 unsigned long *, user_mask_ptr);
240#define __NR_sys_sched_setaffinity __NR_sched_setaffinity
241_syscall3(int, sys_sched_setaffinity, pid_t, pid, unsigned int, len,
242 unsigned long *, user_mask_ptr);
243_syscall4(int, reboot, int, magic1, int, magic2, unsigned int, cmd,
244 void *, arg);
245_syscall2(int, capget, struct __user_cap_header_struct *, header,
246 struct __user_cap_data_struct *, data);
247_syscall2(int, capset, struct __user_cap_header_struct *, header,
248 struct __user_cap_data_struct *, data);
249#if defined(TARGET_NR_ioprio_get) && defined(__NR_ioprio_get)
250_syscall2(int, ioprio_get, int, which, int, who)
251#endif
252#if defined(TARGET_NR_ioprio_set) && defined(__NR_ioprio_set)
253_syscall3(int, ioprio_set, int, which, int, who, int, ioprio)
254#endif
255#if defined(TARGET_NR_getrandom) && defined(__NR_getrandom)
256_syscall3(int, getrandom, void *, buf, size_t, buflen, unsigned int, flags)
257#endif
258
259static bitmask_transtbl fcntl_flags_tbl[] = {
260 { TARGET_O_ACCMODE, TARGET_O_WRONLY, O_ACCMODE, O_WRONLY, },
261 { TARGET_O_ACCMODE, TARGET_O_RDWR, O_ACCMODE, O_RDWR, },
262 { TARGET_O_CREAT, TARGET_O_CREAT, O_CREAT, O_CREAT, },
263 { TARGET_O_EXCL, TARGET_O_EXCL, O_EXCL, O_EXCL, },
264 { TARGET_O_NOCTTY, TARGET_O_NOCTTY, O_NOCTTY, O_NOCTTY, },
265 { TARGET_O_TRUNC, TARGET_O_TRUNC, O_TRUNC, O_TRUNC, },
266 { TARGET_O_APPEND, TARGET_O_APPEND, O_APPEND, O_APPEND, },
267 { TARGET_O_NONBLOCK, TARGET_O_NONBLOCK, O_NONBLOCK, O_NONBLOCK, },
268 { TARGET_O_SYNC, TARGET_O_DSYNC, O_SYNC, O_DSYNC, },
269 { TARGET_O_SYNC, TARGET_O_SYNC, O_SYNC, O_SYNC, },
270 { TARGET_FASYNC, TARGET_FASYNC, FASYNC, FASYNC, },
271 { TARGET_O_DIRECTORY, TARGET_O_DIRECTORY, O_DIRECTORY, O_DIRECTORY, },
272 { TARGET_O_NOFOLLOW, TARGET_O_NOFOLLOW, O_NOFOLLOW, O_NOFOLLOW, },
273#if defined(O_DIRECT)
274 { TARGET_O_DIRECT, TARGET_O_DIRECT, O_DIRECT, O_DIRECT, },
275#endif
276#if defined(O_NOATIME)
277 { TARGET_O_NOATIME, TARGET_O_NOATIME, O_NOATIME, O_NOATIME },
278#endif
279#if defined(O_CLOEXEC)
280 { TARGET_O_CLOEXEC, TARGET_O_CLOEXEC, O_CLOEXEC, O_CLOEXEC },
281#endif
282#if defined(O_PATH)
283 { TARGET_O_PATH, TARGET_O_PATH, O_PATH, O_PATH },
284#endif
285
286#if TARGET_O_LARGEFILE != 0 || O_LARGEFILE != 0
287 { TARGET_O_LARGEFILE, TARGET_O_LARGEFILE, O_LARGEFILE, O_LARGEFILE, },
288#endif
289 { 0, 0, 0, 0 }
290};
291
292enum {
293 QEMU_IFLA_BR_UNSPEC,
294 QEMU_IFLA_BR_FORWARD_DELAY,
295 QEMU_IFLA_BR_HELLO_TIME,
296 QEMU_IFLA_BR_MAX_AGE,
297 QEMU_IFLA_BR_AGEING_TIME,
298 QEMU_IFLA_BR_STP_STATE,
299 QEMU_IFLA_BR_PRIORITY,
300 QEMU_IFLA_BR_VLAN_FILTERING,
301 QEMU_IFLA_BR_VLAN_PROTOCOL,
302 QEMU_IFLA_BR_GROUP_FWD_MASK,
303 QEMU_IFLA_BR_ROOT_ID,
304 QEMU_IFLA_BR_BRIDGE_ID,
305 QEMU_IFLA_BR_ROOT_PORT,
306 QEMU_IFLA_BR_ROOT_PATH_COST,
307 QEMU_IFLA_BR_TOPOLOGY_CHANGE,
308 QEMU_IFLA_BR_TOPOLOGY_CHANGE_DETECTED,
309 QEMU_IFLA_BR_HELLO_TIMER,
310 QEMU_IFLA_BR_TCN_TIMER,
311 QEMU_IFLA_BR_TOPOLOGY_CHANGE_TIMER,
312 QEMU_IFLA_BR_GC_TIMER,
313 QEMU_IFLA_BR_GROUP_ADDR,
314 QEMU_IFLA_BR_FDB_FLUSH,
315 QEMU_IFLA_BR_MCAST_ROUTER,
316 QEMU_IFLA_BR_MCAST_SNOOPING,
317 QEMU_IFLA_BR_MCAST_QUERY_USE_IFADDR,
318 QEMU_IFLA_BR_MCAST_QUERIER,
319 QEMU_IFLA_BR_MCAST_HASH_ELASTICITY,
320 QEMU_IFLA_BR_MCAST_HASH_MAX,
321 QEMU_IFLA_BR_MCAST_LAST_MEMBER_CNT,
322 QEMU_IFLA_BR_MCAST_STARTUP_QUERY_CNT,
323 QEMU_IFLA_BR_MCAST_LAST_MEMBER_INTVL,
324 QEMU_IFLA_BR_MCAST_MEMBERSHIP_INTVL,
325 QEMU_IFLA_BR_MCAST_QUERIER_INTVL,
326 QEMU_IFLA_BR_MCAST_QUERY_INTVL,
327 QEMU_IFLA_BR_MCAST_QUERY_RESPONSE_INTVL,
328 QEMU_IFLA_BR_MCAST_STARTUP_QUERY_INTVL,
329 QEMU_IFLA_BR_NF_CALL_IPTABLES,
330 QEMU_IFLA_BR_NF_CALL_IP6TABLES,
331 QEMU_IFLA_BR_NF_CALL_ARPTABLES,
332 QEMU_IFLA_BR_VLAN_DEFAULT_PVID,
333 QEMU_IFLA_BR_PAD,
334 QEMU_IFLA_BR_VLAN_STATS_ENABLED,
335 QEMU_IFLA_BR_MCAST_STATS_ENABLED,
336 QEMU___IFLA_BR_MAX,
337};
338
339enum {
340 QEMU_IFLA_UNSPEC,
341 QEMU_IFLA_ADDRESS,
342 QEMU_IFLA_BROADCAST,
343 QEMU_IFLA_IFNAME,
344 QEMU_IFLA_MTU,
345 QEMU_IFLA_LINK,
346 QEMU_IFLA_QDISC,
347 QEMU_IFLA_STATS,
348 QEMU_IFLA_COST,
349 QEMU_IFLA_PRIORITY,
350 QEMU_IFLA_MASTER,
351 QEMU_IFLA_WIRELESS,
352 QEMU_IFLA_PROTINFO,
353 QEMU_IFLA_TXQLEN,
354 QEMU_IFLA_MAP,
355 QEMU_IFLA_WEIGHT,
356 QEMU_IFLA_OPERSTATE,
357 QEMU_IFLA_LINKMODE,
358 QEMU_IFLA_LINKINFO,
359 QEMU_IFLA_NET_NS_PID,
360 QEMU_IFLA_IFALIAS,
361 QEMU_IFLA_NUM_VF,
362 QEMU_IFLA_VFINFO_LIST,
363 QEMU_IFLA_STATS64,
364 QEMU_IFLA_VF_PORTS,
365 QEMU_IFLA_PORT_SELF,
366 QEMU_IFLA_AF_SPEC,
367 QEMU_IFLA_GROUP,
368 QEMU_IFLA_NET_NS_FD,
369 QEMU_IFLA_EXT_MASK,
370 QEMU_IFLA_PROMISCUITY,
371 QEMU_IFLA_NUM_TX_QUEUES,
372 QEMU_IFLA_NUM_RX_QUEUES,
373 QEMU_IFLA_CARRIER,
374 QEMU_IFLA_PHYS_PORT_ID,
375 QEMU_IFLA_CARRIER_CHANGES,
376 QEMU_IFLA_PHYS_SWITCH_ID,
377 QEMU_IFLA_LINK_NETNSID,
378 QEMU_IFLA_PHYS_PORT_NAME,
379 QEMU_IFLA_PROTO_DOWN,
380 QEMU_IFLA_GSO_MAX_SEGS,
381 QEMU_IFLA_GSO_MAX_SIZE,
382 QEMU_IFLA_PAD,
383 QEMU_IFLA_XDP,
384 QEMU___IFLA_MAX
385};
386
387enum {
388 QEMU_IFLA_BRPORT_UNSPEC,
389 QEMU_IFLA_BRPORT_STATE,
390 QEMU_IFLA_BRPORT_PRIORITY,
391 QEMU_IFLA_BRPORT_COST,
392 QEMU_IFLA_BRPORT_MODE,
393 QEMU_IFLA_BRPORT_GUARD,
394 QEMU_IFLA_BRPORT_PROTECT,
395 QEMU_IFLA_BRPORT_FAST_LEAVE,
396 QEMU_IFLA_BRPORT_LEARNING,
397 QEMU_IFLA_BRPORT_UNICAST_FLOOD,
398 QEMU_IFLA_BRPORT_PROXYARP,
399 QEMU_IFLA_BRPORT_LEARNING_SYNC,
400 QEMU_IFLA_BRPORT_PROXYARP_WIFI,
401 QEMU_IFLA_BRPORT_ROOT_ID,
402 QEMU_IFLA_BRPORT_BRIDGE_ID,
403 QEMU_IFLA_BRPORT_DESIGNATED_PORT,
404 QEMU_IFLA_BRPORT_DESIGNATED_COST,
405 QEMU_IFLA_BRPORT_ID,
406 QEMU_IFLA_BRPORT_NO,
407 QEMU_IFLA_BRPORT_TOPOLOGY_CHANGE_ACK,
408 QEMU_IFLA_BRPORT_CONFIG_PENDING,
409 QEMU_IFLA_BRPORT_MESSAGE_AGE_TIMER,
410 QEMU_IFLA_BRPORT_FORWARD_DELAY_TIMER,
411 QEMU_IFLA_BRPORT_HOLD_TIMER,
412 QEMU_IFLA_BRPORT_FLUSH,
413 QEMU_IFLA_BRPORT_MULTICAST_ROUTER,
414 QEMU_IFLA_BRPORT_PAD,
415 QEMU___IFLA_BRPORT_MAX
416};
417
418enum {
419 QEMU_IFLA_INFO_UNSPEC,
420 QEMU_IFLA_INFO_KIND,
421 QEMU_IFLA_INFO_DATA,
422 QEMU_IFLA_INFO_XSTATS,
423 QEMU_IFLA_INFO_SLAVE_KIND,
424 QEMU_IFLA_INFO_SLAVE_DATA,
425 QEMU___IFLA_INFO_MAX,
426};
427
428enum {
429 QEMU_IFLA_INET_UNSPEC,
430 QEMU_IFLA_INET_CONF,
431 QEMU___IFLA_INET_MAX,
432};
433
434enum {
435 QEMU_IFLA_INET6_UNSPEC,
436 QEMU_IFLA_INET6_FLAGS,
437 QEMU_IFLA_INET6_CONF,
438 QEMU_IFLA_INET6_STATS,
439 QEMU_IFLA_INET6_MCAST,
440 QEMU_IFLA_INET6_CACHEINFO,
441 QEMU_IFLA_INET6_ICMP6STATS,
442 QEMU_IFLA_INET6_TOKEN,
443 QEMU_IFLA_INET6_ADDR_GEN_MODE,
444 QEMU___IFLA_INET6_MAX
445};
446
447typedef abi_long (*TargetFdDataFunc)(void *, size_t);
448typedef abi_long (*TargetFdAddrFunc)(void *, abi_ulong, socklen_t);
449typedef struct TargetFdTrans {
450 TargetFdDataFunc host_to_target_data;
451 TargetFdDataFunc target_to_host_data;
452 TargetFdAddrFunc target_to_host_addr;
453} TargetFdTrans;
454
455static TargetFdTrans **target_fd_trans;
456
457static unsigned int target_fd_max;
458
459static TargetFdDataFunc fd_trans_target_to_host_data(int fd)
460{
461 if (fd >= 0 && fd < target_fd_max && target_fd_trans[fd]) {
462 return target_fd_trans[fd]->target_to_host_data;
463 }
464 return NULL;
465}
466
467static TargetFdDataFunc fd_trans_host_to_target_data(int fd)
468{
469 if (fd >= 0 && fd < target_fd_max && target_fd_trans[fd]) {
470 return target_fd_trans[fd]->host_to_target_data;
471 }
472 return NULL;
473}
474
475static TargetFdAddrFunc fd_trans_target_to_host_addr(int fd)
476{
477 if (fd >= 0 && fd < target_fd_max && target_fd_trans[fd]) {
478 return target_fd_trans[fd]->target_to_host_addr;
479 }
480 return NULL;
481}
482
483static void fd_trans_register(int fd, TargetFdTrans *trans)
484{
485 unsigned int oldmax;
486
487 if (fd >= target_fd_max) {
488 oldmax = target_fd_max;
489 target_fd_max = ((fd >> 6) + 1) << 6;
490 target_fd_trans = g_renew(TargetFdTrans *,
491 target_fd_trans, target_fd_max);
492 memset((void *)(target_fd_trans + oldmax), 0,
493 (target_fd_max - oldmax) * sizeof(TargetFdTrans *));
494 }
495 target_fd_trans[fd] = trans;
496}
497
498static void fd_trans_unregister(int fd)
499{
500 if (fd >= 0 && fd < target_fd_max) {
501 target_fd_trans[fd] = NULL;
502 }
503}
504
505static void fd_trans_dup(int oldfd, int newfd)
506{
507 fd_trans_unregister(newfd);
508 if (oldfd < target_fd_max && target_fd_trans[oldfd]) {
509 fd_trans_register(newfd, target_fd_trans[oldfd]);
510 }
511}
512
513static int sys_getcwd1(char *buf, size_t size)
514{
515 if (getcwd(buf, size) == NULL) {
516
517 return (-1);
518 }
519 return strlen(buf)+1;
520}
521
522#ifdef TARGET_NR_utimensat
523#ifdef CONFIG_UTIMENSAT
524static int sys_utimensat(int dirfd, const char *pathname,
525 const struct timespec times[2], int flags)
526{
527 if (pathname == NULL)
528 return futimens(dirfd, times);
529 else
530 return utimensat(dirfd, pathname, times, flags);
531}
532#elif defined(__NR_utimensat)
533#define __NR_sys_utimensat __NR_utimensat
534_syscall4(int,sys_utimensat,int,dirfd,const char *,pathname,
535 const struct timespec *,tsp,int,flags)
536#else
537static int sys_utimensat(int dirfd, const char *pathname,
538 const struct timespec times[2], int flags)
539{
540 errno = ENOSYS;
541 return -1;
542}
543#endif
544#endif
545
546#ifdef CONFIG_INOTIFY
547#include <sys/inotify.h>
548
549#if defined(TARGET_NR_inotify_init) && defined(__NR_inotify_init)
550static int sys_inotify_init(void)
551{
552 return (inotify_init());
553}
554#endif
555#if defined(TARGET_NR_inotify_add_watch) && defined(__NR_inotify_add_watch)
556static int sys_inotify_add_watch(int fd,const char *pathname, int32_t mask)
557{
558 return (inotify_add_watch(fd, pathname, mask));
559}
560#endif
561#if defined(TARGET_NR_inotify_rm_watch) && defined(__NR_inotify_rm_watch)
562static int sys_inotify_rm_watch(int fd, int32_t wd)
563{
564 return (inotify_rm_watch(fd, wd));
565}
566#endif
567#ifdef CONFIG_INOTIFY1
568#if defined(TARGET_NR_inotify_init1) && defined(__NR_inotify_init1)
569static int sys_inotify_init1(int flags)
570{
571 return (inotify_init1(flags));
572}
573#endif
574#endif
575#else
576
577#undef TARGET_NR_inotify_init
578#undef TARGET_NR_inotify_init1
579#undef TARGET_NR_inotify_add_watch
580#undef TARGET_NR_inotify_rm_watch
581#endif
582
583#if defined(TARGET_NR_prlimit64)
584#ifndef __NR_prlimit64
585# define __NR_prlimit64 -1
586#endif
587#define __NR_sys_prlimit64 __NR_prlimit64
588
589struct host_rlimit64 {
590 uint64_t rlim_cur;
591 uint64_t rlim_max;
592};
593_syscall4(int, sys_prlimit64, pid_t, pid, int, resource,
594 const struct host_rlimit64 *, new_limit,
595 struct host_rlimit64 *, old_limit)
596#endif
597
598
599#if defined(TARGET_NR_timer_create)
600
601static timer_t g_posix_timers[32] = { 0, } ;
602
603static inline int next_free_host_timer(void)
604{
605 int k ;
606
607 for (k = 0; k < ARRAY_SIZE(g_posix_timers); k++) {
608 if (g_posix_timers[k] == 0) {
609 g_posix_timers[k] = (timer_t) 1;
610 return k;
611 }
612 }
613 return -1;
614}
615#endif
616
617
618#ifdef TARGET_ARM
619static inline int regpairs_aligned(void *cpu_env) {
620 return ((((CPUARMState *)cpu_env)->eabi) == 1) ;
621}
622#elif defined(TARGET_MIPS)
623static inline int regpairs_aligned(void *cpu_env) { return 1; }
624#elif defined(TARGET_PPC) && !defined(TARGET_PPC64)
625
626
627
628static inline int regpairs_aligned(void *cpu_env) { return 1; }
629#else
630static inline int regpairs_aligned(void *cpu_env) { return 0; }
631#endif
632
633#define ERRNO_TABLE_SIZE 1200
634
635
636
637static uint16_t target_to_host_errno_table[ERRNO_TABLE_SIZE] = {
638};
639
640
641
642
643
644static uint16_t host_to_target_errno_table[ERRNO_TABLE_SIZE] = {
645 [EAGAIN] = TARGET_EAGAIN,
646 [EIDRM] = TARGET_EIDRM,
647 [ECHRNG] = TARGET_ECHRNG,
648 [EL2NSYNC] = TARGET_EL2NSYNC,
649 [EL3HLT] = TARGET_EL3HLT,
650 [EL3RST] = TARGET_EL3RST,
651 [ELNRNG] = TARGET_ELNRNG,
652 [EUNATCH] = TARGET_EUNATCH,
653 [ENOCSI] = TARGET_ENOCSI,
654 [EL2HLT] = TARGET_EL2HLT,
655 [EDEADLK] = TARGET_EDEADLK,
656 [ENOLCK] = TARGET_ENOLCK,
657 [EBADE] = TARGET_EBADE,
658 [EBADR] = TARGET_EBADR,
659 [EXFULL] = TARGET_EXFULL,
660 [ENOANO] = TARGET_ENOANO,
661 [EBADRQC] = TARGET_EBADRQC,
662 [EBADSLT] = TARGET_EBADSLT,
663 [EBFONT] = TARGET_EBFONT,
664 [ENOSTR] = TARGET_ENOSTR,
665 [ENODATA] = TARGET_ENODATA,
666 [ETIME] = TARGET_ETIME,
667 [ENOSR] = TARGET_ENOSR,
668 [ENONET] = TARGET_ENONET,
669 [ENOPKG] = TARGET_ENOPKG,
670 [EREMOTE] = TARGET_EREMOTE,
671 [ENOLINK] = TARGET_ENOLINK,
672 [EADV] = TARGET_EADV,
673 [ESRMNT] = TARGET_ESRMNT,
674 [ECOMM] = TARGET_ECOMM,
675 [EPROTO] = TARGET_EPROTO,
676 [EDOTDOT] = TARGET_EDOTDOT,
677 [EMULTIHOP] = TARGET_EMULTIHOP,
678 [EBADMSG] = TARGET_EBADMSG,
679 [ENAMETOOLONG] = TARGET_ENAMETOOLONG,
680 [EOVERFLOW] = TARGET_EOVERFLOW,
681 [ENOTUNIQ] = TARGET_ENOTUNIQ,
682 [EBADFD] = TARGET_EBADFD,
683 [EREMCHG] = TARGET_EREMCHG,
684 [ELIBACC] = TARGET_ELIBACC,
685 [ELIBBAD] = TARGET_ELIBBAD,
686 [ELIBSCN] = TARGET_ELIBSCN,
687 [ELIBMAX] = TARGET_ELIBMAX,
688 [ELIBEXEC] = TARGET_ELIBEXEC,
689 [EILSEQ] = TARGET_EILSEQ,
690 [ENOSYS] = TARGET_ENOSYS,
691 [ELOOP] = TARGET_ELOOP,
692 [ERESTART] = TARGET_ERESTART,
693 [ESTRPIPE] = TARGET_ESTRPIPE,
694 [ENOTEMPTY] = TARGET_ENOTEMPTY,
695 [EUSERS] = TARGET_EUSERS,
696 [ENOTSOCK] = TARGET_ENOTSOCK,
697 [EDESTADDRREQ] = TARGET_EDESTADDRREQ,
698 [EMSGSIZE] = TARGET_EMSGSIZE,
699 [EPROTOTYPE] = TARGET_EPROTOTYPE,
700 [ENOPROTOOPT] = TARGET_ENOPROTOOPT,
701 [EPROTONOSUPPORT] = TARGET_EPROTONOSUPPORT,
702 [ESOCKTNOSUPPORT] = TARGET_ESOCKTNOSUPPORT,
703 [EOPNOTSUPP] = TARGET_EOPNOTSUPP,
704 [EPFNOSUPPORT] = TARGET_EPFNOSUPPORT,
705 [EAFNOSUPPORT] = TARGET_EAFNOSUPPORT,
706 [EADDRINUSE] = TARGET_EADDRINUSE,
707 [EADDRNOTAVAIL] = TARGET_EADDRNOTAVAIL,
708 [ENETDOWN] = TARGET_ENETDOWN,
709 [ENETUNREACH] = TARGET_ENETUNREACH,
710 [ENETRESET] = TARGET_ENETRESET,
711 [ECONNABORTED] = TARGET_ECONNABORTED,
712 [ECONNRESET] = TARGET_ECONNRESET,
713 [ENOBUFS] = TARGET_ENOBUFS,
714 [EISCONN] = TARGET_EISCONN,
715 [ENOTCONN] = TARGET_ENOTCONN,
716 [EUCLEAN] = TARGET_EUCLEAN,
717 [ENOTNAM] = TARGET_ENOTNAM,
718 [ENAVAIL] = TARGET_ENAVAIL,
719 [EISNAM] = TARGET_EISNAM,
720 [EREMOTEIO] = TARGET_EREMOTEIO,
721 [ESHUTDOWN] = TARGET_ESHUTDOWN,
722 [ETOOMANYREFS] = TARGET_ETOOMANYREFS,
723 [ETIMEDOUT] = TARGET_ETIMEDOUT,
724 [ECONNREFUSED] = TARGET_ECONNREFUSED,
725 [EHOSTDOWN] = TARGET_EHOSTDOWN,
726 [EHOSTUNREACH] = TARGET_EHOSTUNREACH,
727 [EALREADY] = TARGET_EALREADY,
728 [EINPROGRESS] = TARGET_EINPROGRESS,
729 [ESTALE] = TARGET_ESTALE,
730 [ECANCELED] = TARGET_ECANCELED,
731 [ENOMEDIUM] = TARGET_ENOMEDIUM,
732 [EMEDIUMTYPE] = TARGET_EMEDIUMTYPE,
733#ifdef ENOKEY
734 [ENOKEY] = TARGET_ENOKEY,
735#endif
736#ifdef EKEYEXPIRED
737 [EKEYEXPIRED] = TARGET_EKEYEXPIRED,
738#endif
739#ifdef EKEYREVOKED
740 [EKEYREVOKED] = TARGET_EKEYREVOKED,
741#endif
742#ifdef EKEYREJECTED
743 [EKEYREJECTED] = TARGET_EKEYREJECTED,
744#endif
745#ifdef EOWNERDEAD
746 [EOWNERDEAD] = TARGET_EOWNERDEAD,
747#endif
748#ifdef ENOTRECOVERABLE
749 [ENOTRECOVERABLE] = TARGET_ENOTRECOVERABLE,
750#endif
751};
752
753static inline int host_to_target_errno(int err)
754{
755 if (err >= 0 && err < ERRNO_TABLE_SIZE &&
756 host_to_target_errno_table[err]) {
757 return host_to_target_errno_table[err];
758 }
759 return err;
760}
761
762static inline int target_to_host_errno(int err)
763{
764 if (err >= 0 && err < ERRNO_TABLE_SIZE &&
765 target_to_host_errno_table[err]) {
766 return target_to_host_errno_table[err];
767 }
768 return err;
769}
770
771static inline abi_long get_errno(abi_long ret)
772{
773 if (ret == -1)
774 return -host_to_target_errno(errno);
775 else
776 return ret;
777}
778
779static inline int is_error(abi_long ret)
780{
781 return (abi_ulong)ret >= (abi_ulong)(-4096);
782}
783
784const char *target_strerror(int err)
785{
786 if (err == TARGET_ERESTARTSYS) {
787 return "To be restarted";
788 }
789 if (err == TARGET_QEMU_ESIGRETURN) {
790 return "Successful exit from sigreturn";
791 }
792
793 if ((err >= ERRNO_TABLE_SIZE) || (err < 0)) {
794 return NULL;
795 }
796 return strerror(target_to_host_errno(err));
797}
798
799#define safe_syscall0(type, name) \
800static type safe_##name(void) \
801{ \
802 return safe_syscall(__NR_##name); \
803}
804
805#define safe_syscall1(type, name, type1, arg1) \
806static type safe_##name(type1 arg1) \
807{ \
808 return safe_syscall(__NR_##name, arg1); \
809}
810
811#define safe_syscall2(type, name, type1, arg1, type2, arg2) \
812static type safe_##name(type1 arg1, type2 arg2) \
813{ \
814 return safe_syscall(__NR_##name, arg1, arg2); \
815}
816
817#define safe_syscall3(type, name, type1, arg1, type2, arg2, type3, arg3) \
818static type safe_##name(type1 arg1, type2 arg2, type3 arg3) \
819{ \
820 return safe_syscall(__NR_##name, arg1, arg2, arg3); \
821}
822
823#define safe_syscall4(type, name, type1, arg1, type2, arg2, type3, arg3, \
824 type4, arg4) \
825static type safe_##name(type1 arg1, type2 arg2, type3 arg3, type4 arg4) \
826{ \
827 return safe_syscall(__NR_##name, arg1, arg2, arg3, arg4); \
828}
829
830#define safe_syscall5(type, name, type1, arg1, type2, arg2, type3, arg3, \
831 type4, arg4, type5, arg5) \
832static type safe_##name(type1 arg1, type2 arg2, type3 arg3, type4 arg4, \
833 type5 arg5) \
834{ \
835 return safe_syscall(__NR_##name, arg1, arg2, arg3, arg4, arg5); \
836}
837
838#define safe_syscall6(type, name, type1, arg1, type2, arg2, type3, arg3, \
839 type4, arg4, type5, arg5, type6, arg6) \
840static type safe_##name(type1 arg1, type2 arg2, type3 arg3, type4 arg4, \
841 type5 arg5, type6 arg6) \
842{ \
843 return safe_syscall(__NR_##name, arg1, arg2, arg3, arg4, arg5, arg6); \
844}
845
846safe_syscall3(ssize_t, read, int, fd, void *, buff, size_t, count)
847safe_syscall3(ssize_t, write, int, fd, const void *, buff, size_t, count)
848safe_syscall4(int, openat, int, dirfd, const char *, pathname, \
849 int, flags, mode_t, mode)
850safe_syscall4(pid_t, wait4, pid_t, pid, int *, status, int, options, \
851 struct rusage *, rusage)
852safe_syscall5(int, waitid, idtype_t, idtype, id_t, id, siginfo_t *, infop, \
853 int, options, struct rusage *, rusage)
854safe_syscall3(int, execve, const char *, filename, char **, argv, char **, envp)
855safe_syscall6(int, pselect6, int, nfds, fd_set *, readfds, fd_set *, writefds, \
856 fd_set *, exceptfds, struct timespec *, timeout, void *, sig)
857safe_syscall5(int, ppoll, struct pollfd *, ufds, unsigned int, nfds,
858 struct timespec *, tsp, const sigset_t *, sigmask,
859 size_t, sigsetsize)
860safe_syscall6(int, epoll_pwait, int, epfd, struct epoll_event *, events,
861 int, maxevents, int, timeout, const sigset_t *, sigmask,
862 size_t, sigsetsize)
863safe_syscall6(int,futex,int *,uaddr,int,op,int,val, \
864 const struct timespec *,timeout,int *,uaddr2,int,val3)
865safe_syscall2(int, rt_sigsuspend, sigset_t *, newset, size_t, sigsetsize)
866safe_syscall2(int, kill, pid_t, pid, int, sig)
867safe_syscall2(int, tkill, int, tid, int, sig)
868safe_syscall3(int, tgkill, int, tgid, int, pid, int, sig)
869safe_syscall3(ssize_t, readv, int, fd, const struct iovec *, iov, int, iovcnt)
870safe_syscall3(ssize_t, writev, int, fd, const struct iovec *, iov, int, iovcnt)
871safe_syscall3(int, connect, int, fd, const struct sockaddr *, addr,
872 socklen_t, addrlen)
873safe_syscall6(ssize_t, sendto, int, fd, const void *, buf, size_t, len,
874 int, flags, const struct sockaddr *, addr, socklen_t, addrlen)
875safe_syscall6(ssize_t, recvfrom, int, fd, void *, buf, size_t, len,
876 int, flags, struct sockaddr *, addr, socklen_t *, addrlen)
877safe_syscall3(ssize_t, sendmsg, int, fd, const struct msghdr *, msg, int, flags)
878safe_syscall3(ssize_t, recvmsg, int, fd, struct msghdr *, msg, int, flags)
879safe_syscall2(int, flock, int, fd, int, operation)
880safe_syscall4(int, rt_sigtimedwait, const sigset_t *, these, siginfo_t *, uinfo,
881 const struct timespec *, uts, size_t, sigsetsize)
882safe_syscall4(int, accept4, int, fd, struct sockaddr *, addr, socklen_t *, len,
883 int, flags)
884safe_syscall2(int, nanosleep, const struct timespec *, req,
885 struct timespec *, rem)
886#ifdef TARGET_NR_clock_nanosleep
887safe_syscall4(int, clock_nanosleep, const clockid_t, clock, int, flags,
888 const struct timespec *, req, struct timespec *, rem)
889#endif
890#ifdef __NR_msgsnd
891safe_syscall4(int, msgsnd, int, msgid, const void *, msgp, size_t, sz,
892 int, flags)
893safe_syscall5(int, msgrcv, int, msgid, void *, msgp, size_t, sz,
894 long, msgtype, int, flags)
895safe_syscall4(int, semtimedop, int, semid, struct sembuf *, tsops,
896 unsigned, nsops, const struct timespec *, timeout)
897#else
898
899
900
901
902
903
904
905#define Q_SEMTIMEDOP 4
906#define Q_MSGSND 11
907#define Q_MSGRCV 12
908#define Q_IPCCALL(VERSION, OP) ((VERSION) << 16 | (OP))
909
910safe_syscall6(int, ipc, int, call, long, first, long, second, long, third,
911 void *, ptr, long, fifth)
912static int safe_msgsnd(int msgid, const void *msgp, size_t sz, int flags)
913{
914 return safe_ipc(Q_IPCCALL(0, Q_MSGSND), msgid, sz, flags, (void *)msgp, 0);
915}
916static int safe_msgrcv(int msgid, void *msgp, size_t sz, long type, int flags)
917{
918 return safe_ipc(Q_IPCCALL(1, Q_MSGRCV), msgid, sz, flags, msgp, type);
919}
920static int safe_semtimedop(int semid, struct sembuf *tsops, unsigned nsops,
921 const struct timespec *timeout)
922{
923 return safe_ipc(Q_IPCCALL(0, Q_SEMTIMEDOP), semid, nsops, 0, tsops,
924 (long)timeout);
925}
926#endif
927#if defined(TARGET_NR_mq_open) && defined(__NR_mq_open)
928safe_syscall5(int, mq_timedsend, int, mqdes, const char *, msg_ptr,
929 size_t, len, unsigned, prio, const struct timespec *, timeout)
930safe_syscall5(int, mq_timedreceive, int, mqdes, char *, msg_ptr,
931 size_t, len, unsigned *, prio, const struct timespec *, timeout)
932#endif
933
934
935
936
937#define safe_ioctl(...) safe_syscall(__NR_ioctl, __VA_ARGS__)
938
939
940
941
942
943#ifdef __NR_fcntl64
944#define safe_fcntl(...) safe_syscall(__NR_fcntl64, __VA_ARGS__)
945#else
946#define safe_fcntl(...) safe_syscall(__NR_fcntl, __VA_ARGS__)
947#endif
948
949static inline int host_to_target_sock_type(int host_type)
950{
951 int target_type;
952
953 switch (host_type & 0xf ) {
954 case SOCK_DGRAM:
955 target_type = TARGET_SOCK_DGRAM;
956 break;
957 case SOCK_STREAM:
958 target_type = TARGET_SOCK_STREAM;
959 break;
960 default:
961 target_type = host_type & 0xf ;
962 break;
963 }
964
965#if defined(SOCK_CLOEXEC)
966 if (host_type & SOCK_CLOEXEC) {
967 target_type |= TARGET_SOCK_CLOEXEC;
968 }
969#endif
970
971#if defined(SOCK_NONBLOCK)
972 if (host_type & SOCK_NONBLOCK) {
973 target_type |= TARGET_SOCK_NONBLOCK;
974 }
975#endif
976
977 return target_type;
978}
979
980static abi_ulong target_brk;
981static abi_ulong target_original_brk;
982static abi_ulong brk_page;
983
984void target_set_brk(abi_ulong new_brk)
985{
986 target_original_brk = target_brk = HOST_PAGE_ALIGN(new_brk);
987 brk_page = HOST_PAGE_ALIGN(target_brk);
988}
989
990
991#define DEBUGF_BRK(message, args...)
992
993
994abi_long do_brk(abi_ulong new_brk)
995{
996 abi_long mapped_addr;
997 abi_ulong new_alloc_size;
998
999 DEBUGF_BRK("do_brk(" TARGET_ABI_FMT_lx ") -> ", new_brk);
1000
1001 if (!new_brk) {
1002 DEBUGF_BRK(TARGET_ABI_FMT_lx " (!new_brk)\n", target_brk);
1003 return target_brk;
1004 }
1005 if (new_brk < target_original_brk) {
1006 DEBUGF_BRK(TARGET_ABI_FMT_lx " (new_brk < target_original_brk)\n",
1007 target_brk);
1008 return target_brk;
1009 }
1010
1011
1012
1013 if (new_brk <= brk_page) {
1014
1015
1016 if (new_brk > target_brk) {
1017 memset(g2h(target_brk), 0, new_brk - target_brk);
1018 }
1019 target_brk = new_brk;
1020 DEBUGF_BRK(TARGET_ABI_FMT_lx " (new_brk <= brk_page)\n", target_brk);
1021 return target_brk;
1022 }
1023
1024
1025
1026
1027
1028
1029
1030 new_alloc_size = HOST_PAGE_ALIGN(new_brk - brk_page);
1031 mapped_addr = get_errno(target_mmap(brk_page, new_alloc_size,
1032 PROT_READ|PROT_WRITE,
1033 MAP_ANON|MAP_PRIVATE, 0, 0));
1034
1035 if (mapped_addr == brk_page) {
1036
1037
1038
1039
1040
1041
1042
1043 memset(g2h(target_brk), 0, brk_page - target_brk);
1044
1045 target_brk = new_brk;
1046 brk_page = HOST_PAGE_ALIGN(target_brk);
1047 DEBUGF_BRK(TARGET_ABI_FMT_lx " (mapped_addr == brk_page)\n",
1048 target_brk);
1049 return target_brk;
1050 } else if (mapped_addr != -1) {
1051
1052
1053
1054 target_munmap(mapped_addr, new_alloc_size);
1055 mapped_addr = -1;
1056 DEBUGF_BRK(TARGET_ABI_FMT_lx " (mapped_addr != -1)\n", target_brk);
1057 }
1058 else {
1059 DEBUGF_BRK(TARGET_ABI_FMT_lx " (otherwise)\n", target_brk);
1060 }
1061
1062#if defined(TARGET_ALPHA)
1063
1064
1065 return -TARGET_ENOMEM;
1066#endif
1067
1068 return target_brk;
1069}
1070
1071static inline abi_long copy_from_user_fdset(fd_set *fds,
1072 abi_ulong target_fds_addr,
1073 int n)
1074{
1075 int i, nw, j, k;
1076 abi_ulong b, *target_fds;
1077
1078 nw = DIV_ROUND_UP(n, TARGET_ABI_BITS);
1079 if (!(target_fds = lock_user(VERIFY_READ,
1080 target_fds_addr,
1081 sizeof(abi_ulong) * nw,
1082 1)))
1083 return -TARGET_EFAULT;
1084
1085 FD_ZERO(fds);
1086 k = 0;
1087 for (i = 0; i < nw; i++) {
1088
1089 __get_user(b, &target_fds[i]);
1090 for (j = 0; j < TARGET_ABI_BITS; j++) {
1091
1092 if ((b >> j) & 1)
1093 FD_SET(k, fds);
1094 k++;
1095 }
1096 }
1097
1098 unlock_user(target_fds, target_fds_addr, 0);
1099
1100 return 0;
1101}
1102
1103static inline abi_ulong copy_from_user_fdset_ptr(fd_set *fds, fd_set **fds_ptr,
1104 abi_ulong target_fds_addr,
1105 int n)
1106{
1107 if (target_fds_addr) {
1108 if (copy_from_user_fdset(fds, target_fds_addr, n))
1109 return -TARGET_EFAULT;
1110 *fds_ptr = fds;
1111 } else {
1112 *fds_ptr = NULL;
1113 }
1114 return 0;
1115}
1116
1117static inline abi_long copy_to_user_fdset(abi_ulong target_fds_addr,
1118 const fd_set *fds,
1119 int n)
1120{
1121 int i, nw, j, k;
1122 abi_long v;
1123 abi_ulong *target_fds;
1124
1125 nw = DIV_ROUND_UP(n, TARGET_ABI_BITS);
1126 if (!(target_fds = lock_user(VERIFY_WRITE,
1127 target_fds_addr,
1128 sizeof(abi_ulong) * nw,
1129 0)))
1130 return -TARGET_EFAULT;
1131
1132 k = 0;
1133 for (i = 0; i < nw; i++) {
1134 v = 0;
1135 for (j = 0; j < TARGET_ABI_BITS; j++) {
1136 v |= ((abi_ulong)(FD_ISSET(k, fds) != 0) << j);
1137 k++;
1138 }
1139 __put_user(v, &target_fds[i]);
1140 }
1141
1142 unlock_user(target_fds, target_fds_addr, sizeof(abi_ulong) * nw);
1143
1144 return 0;
1145}
1146
1147#if defined(__alpha__)
1148#define HOST_HZ 1024
1149#else
1150#define HOST_HZ 100
1151#endif
1152
1153static inline abi_long host_to_target_clock_t(long ticks)
1154{
1155#if HOST_HZ == TARGET_HZ
1156 return ticks;
1157#else
1158 return ((int64_t)ticks * TARGET_HZ) / HOST_HZ;
1159#endif
1160}
1161
1162static inline abi_long host_to_target_rusage(abi_ulong target_addr,
1163 const struct rusage *rusage)
1164{
1165 struct target_rusage *target_rusage;
1166
1167 if (!lock_user_struct(VERIFY_WRITE, target_rusage, target_addr, 0))
1168 return -TARGET_EFAULT;
1169 target_rusage->ru_utime.tv_sec = tswapal(rusage->ru_utime.tv_sec);
1170 target_rusage->ru_utime.tv_usec = tswapal(rusage->ru_utime.tv_usec);
1171 target_rusage->ru_stime.tv_sec = tswapal(rusage->ru_stime.tv_sec);
1172 target_rusage->ru_stime.tv_usec = tswapal(rusage->ru_stime.tv_usec);
1173 target_rusage->ru_maxrss = tswapal(rusage->ru_maxrss);
1174 target_rusage->ru_ixrss = tswapal(rusage->ru_ixrss);
1175 target_rusage->ru_idrss = tswapal(rusage->ru_idrss);
1176 target_rusage->ru_isrss = tswapal(rusage->ru_isrss);
1177 target_rusage->ru_minflt = tswapal(rusage->ru_minflt);
1178 target_rusage->ru_majflt = tswapal(rusage->ru_majflt);
1179 target_rusage->ru_nswap = tswapal(rusage->ru_nswap);
1180 target_rusage->ru_inblock = tswapal(rusage->ru_inblock);
1181 target_rusage->ru_oublock = tswapal(rusage->ru_oublock);
1182 target_rusage->ru_msgsnd = tswapal(rusage->ru_msgsnd);
1183 target_rusage->ru_msgrcv = tswapal(rusage->ru_msgrcv);
1184 target_rusage->ru_nsignals = tswapal(rusage->ru_nsignals);
1185 target_rusage->ru_nvcsw = tswapal(rusage->ru_nvcsw);
1186 target_rusage->ru_nivcsw = tswapal(rusage->ru_nivcsw);
1187 unlock_user_struct(target_rusage, target_addr, 1);
1188
1189 return 0;
1190}
1191
1192static inline rlim_t target_to_host_rlim(abi_ulong target_rlim)
1193{
1194 abi_ulong target_rlim_swap;
1195 rlim_t result;
1196
1197 target_rlim_swap = tswapal(target_rlim);
1198 if (target_rlim_swap == TARGET_RLIM_INFINITY)
1199 return RLIM_INFINITY;
1200
1201 result = target_rlim_swap;
1202 if (target_rlim_swap != (rlim_t)result)
1203 return RLIM_INFINITY;
1204
1205 return result;
1206}
1207
1208static inline abi_ulong host_to_target_rlim(rlim_t rlim)
1209{
1210 abi_ulong target_rlim_swap;
1211 abi_ulong result;
1212
1213 if (rlim == RLIM_INFINITY || rlim != (abi_long)rlim)
1214 target_rlim_swap = TARGET_RLIM_INFINITY;
1215 else
1216 target_rlim_swap = rlim;
1217 result = tswapal(target_rlim_swap);
1218
1219 return result;
1220}
1221
1222static inline int target_to_host_resource(int code)
1223{
1224 switch (code) {
1225 case TARGET_RLIMIT_AS:
1226 return RLIMIT_AS;
1227 case TARGET_RLIMIT_CORE:
1228 return RLIMIT_CORE;
1229 case TARGET_RLIMIT_CPU:
1230 return RLIMIT_CPU;
1231 case TARGET_RLIMIT_DATA:
1232 return RLIMIT_DATA;
1233 case TARGET_RLIMIT_FSIZE:
1234 return RLIMIT_FSIZE;
1235 case TARGET_RLIMIT_LOCKS:
1236 return RLIMIT_LOCKS;
1237 case TARGET_RLIMIT_MEMLOCK:
1238 return RLIMIT_MEMLOCK;
1239 case TARGET_RLIMIT_MSGQUEUE:
1240 return RLIMIT_MSGQUEUE;
1241 case TARGET_RLIMIT_NICE:
1242 return RLIMIT_NICE;
1243 case TARGET_RLIMIT_NOFILE:
1244 return RLIMIT_NOFILE;
1245 case TARGET_RLIMIT_NPROC:
1246 return RLIMIT_NPROC;
1247 case TARGET_RLIMIT_RSS:
1248 return RLIMIT_RSS;
1249 case TARGET_RLIMIT_RTPRIO:
1250 return RLIMIT_RTPRIO;
1251 case TARGET_RLIMIT_SIGPENDING:
1252 return RLIMIT_SIGPENDING;
1253 case TARGET_RLIMIT_STACK:
1254 return RLIMIT_STACK;
1255 default:
1256 return code;
1257 }
1258}
1259
1260static inline abi_long copy_from_user_timeval(struct timeval *tv,
1261 abi_ulong target_tv_addr)
1262{
1263 struct target_timeval *target_tv;
1264
1265 if (!lock_user_struct(VERIFY_READ, target_tv, target_tv_addr, 1))
1266 return -TARGET_EFAULT;
1267
1268 __get_user(tv->tv_sec, &target_tv->tv_sec);
1269 __get_user(tv->tv_usec, &target_tv->tv_usec);
1270
1271 unlock_user_struct(target_tv, target_tv_addr, 0);
1272
1273 return 0;
1274}
1275
1276static inline abi_long copy_to_user_timeval(abi_ulong target_tv_addr,
1277 const struct timeval *tv)
1278{
1279 struct target_timeval *target_tv;
1280
1281 if (!lock_user_struct(VERIFY_WRITE, target_tv, target_tv_addr, 0))
1282 return -TARGET_EFAULT;
1283
1284 __put_user(tv->tv_sec, &target_tv->tv_sec);
1285 __put_user(tv->tv_usec, &target_tv->tv_usec);
1286
1287 unlock_user_struct(target_tv, target_tv_addr, 1);
1288
1289 return 0;
1290}
1291
1292static inline abi_long copy_from_user_timezone(struct timezone *tz,
1293 abi_ulong target_tz_addr)
1294{
1295 struct target_timezone *target_tz;
1296
1297 if (!lock_user_struct(VERIFY_READ, target_tz, target_tz_addr, 1)) {
1298 return -TARGET_EFAULT;
1299 }
1300
1301 __get_user(tz->tz_minuteswest, &target_tz->tz_minuteswest);
1302 __get_user(tz->tz_dsttime, &target_tz->tz_dsttime);
1303
1304 unlock_user_struct(target_tz, target_tz_addr, 0);
1305
1306 return 0;
1307}
1308
1309#if defined(TARGET_NR_mq_open) && defined(__NR_mq_open)
1310#include <mqueue.h>
1311
1312static inline abi_long copy_from_user_mq_attr(struct mq_attr *attr,
1313 abi_ulong target_mq_attr_addr)
1314{
1315 struct target_mq_attr *target_mq_attr;
1316
1317 if (!lock_user_struct(VERIFY_READ, target_mq_attr,
1318 target_mq_attr_addr, 1))
1319 return -TARGET_EFAULT;
1320
1321 __get_user(attr->mq_flags, &target_mq_attr->mq_flags);
1322 __get_user(attr->mq_maxmsg, &target_mq_attr->mq_maxmsg);
1323 __get_user(attr->mq_msgsize, &target_mq_attr->mq_msgsize);
1324 __get_user(attr->mq_curmsgs, &target_mq_attr->mq_curmsgs);
1325
1326 unlock_user_struct(target_mq_attr, target_mq_attr_addr, 0);
1327
1328 return 0;
1329}
1330
1331static inline abi_long copy_to_user_mq_attr(abi_ulong target_mq_attr_addr,
1332 const struct mq_attr *attr)
1333{
1334 struct target_mq_attr *target_mq_attr;
1335
1336 if (!lock_user_struct(VERIFY_WRITE, target_mq_attr,
1337 target_mq_attr_addr, 0))
1338 return -TARGET_EFAULT;
1339
1340 __put_user(attr->mq_flags, &target_mq_attr->mq_flags);
1341 __put_user(attr->mq_maxmsg, &target_mq_attr->mq_maxmsg);
1342 __put_user(attr->mq_msgsize, &target_mq_attr->mq_msgsize);
1343 __put_user(attr->mq_curmsgs, &target_mq_attr->mq_curmsgs);
1344
1345 unlock_user_struct(target_mq_attr, target_mq_attr_addr, 1);
1346
1347 return 0;
1348}
1349#endif
1350
1351#if defined(TARGET_NR_select) || defined(TARGET_NR__newselect)
1352
1353static abi_long do_select(int n,
1354 abi_ulong rfd_addr, abi_ulong wfd_addr,
1355 abi_ulong efd_addr, abi_ulong target_tv_addr)
1356{
1357 fd_set rfds, wfds, efds;
1358 fd_set *rfds_ptr, *wfds_ptr, *efds_ptr;
1359 struct timeval tv;
1360 struct timespec ts, *ts_ptr;
1361 abi_long ret;
1362
1363 ret = copy_from_user_fdset_ptr(&rfds, &rfds_ptr, rfd_addr, n);
1364 if (ret) {
1365 return ret;
1366 }
1367 ret = copy_from_user_fdset_ptr(&wfds, &wfds_ptr, wfd_addr, n);
1368 if (ret) {
1369 return ret;
1370 }
1371 ret = copy_from_user_fdset_ptr(&efds, &efds_ptr, efd_addr, n);
1372 if (ret) {
1373 return ret;
1374 }
1375
1376 if (target_tv_addr) {
1377 if (copy_from_user_timeval(&tv, target_tv_addr))
1378 return -TARGET_EFAULT;
1379 ts.tv_sec = tv.tv_sec;
1380 ts.tv_nsec = tv.tv_usec * 1000;
1381 ts_ptr = &ts;
1382 } else {
1383 ts_ptr = NULL;
1384 }
1385
1386 ret = get_errno(safe_pselect6(n, rfds_ptr, wfds_ptr, efds_ptr,
1387 ts_ptr, NULL));
1388
1389 if (!is_error(ret)) {
1390 if (rfd_addr && copy_to_user_fdset(rfd_addr, &rfds, n))
1391 return -TARGET_EFAULT;
1392 if (wfd_addr && copy_to_user_fdset(wfd_addr, &wfds, n))
1393 return -TARGET_EFAULT;
1394 if (efd_addr && copy_to_user_fdset(efd_addr, &efds, n))
1395 return -TARGET_EFAULT;
1396
1397 if (target_tv_addr) {
1398 tv.tv_sec = ts.tv_sec;
1399 tv.tv_usec = ts.tv_nsec / 1000;
1400 if (copy_to_user_timeval(target_tv_addr, &tv)) {
1401 return -TARGET_EFAULT;
1402 }
1403 }
1404 }
1405
1406 return ret;
1407}
1408#endif
1409
1410static abi_long do_pipe2(int host_pipe[], int flags)
1411{
1412#ifdef CONFIG_PIPE2
1413 return pipe2(host_pipe, flags);
1414#else
1415 return -ENOSYS;
1416#endif
1417}
1418
1419static abi_long do_pipe(void *cpu_env, abi_ulong pipedes,
1420 int flags, int is_pipe2)
1421{
1422 int host_pipe[2];
1423 abi_long ret;
1424 ret = flags ? do_pipe2(host_pipe, flags) : pipe(host_pipe);
1425
1426 if (is_error(ret))
1427 return get_errno(ret);
1428
1429
1430
1431 if (!is_pipe2) {
1432#if defined(TARGET_ALPHA)
1433 ((CPUAlphaState *)cpu_env)->ir[IR_A4] = host_pipe[1];
1434 return host_pipe[0];
1435#elif defined(TARGET_MIPS)
1436 ((CPUMIPSState*)cpu_env)->active_tc.gpr[3] = host_pipe[1];
1437 return host_pipe[0];
1438#elif defined(TARGET_SH4)
1439 ((CPUSH4State*)cpu_env)->gregs[1] = host_pipe[1];
1440 return host_pipe[0];
1441#elif defined(TARGET_SPARC)
1442 ((CPUSPARCState*)cpu_env)->regwptr[1] = host_pipe[1];
1443 return host_pipe[0];
1444#endif
1445 }
1446
1447 if (put_user_s32(host_pipe[0], pipedes)
1448 || put_user_s32(host_pipe[1], pipedes + sizeof(host_pipe[0])))
1449 return -TARGET_EFAULT;
1450 return get_errno(ret);
1451}
1452
1453static inline abi_long target_to_host_ip_mreq(struct ip_mreqn *mreqn,
1454 abi_ulong target_addr,
1455 socklen_t len)
1456{
1457 struct target_ip_mreqn *target_smreqn;
1458
1459 target_smreqn = lock_user(VERIFY_READ, target_addr, len, 1);
1460 if (!target_smreqn)
1461 return -TARGET_EFAULT;
1462 mreqn->imr_multiaddr.s_addr = target_smreqn->imr_multiaddr.s_addr;
1463 mreqn->imr_address.s_addr = target_smreqn->imr_address.s_addr;
1464 if (len == sizeof(struct target_ip_mreqn))
1465 mreqn->imr_ifindex = tswapal(target_smreqn->imr_ifindex);
1466 unlock_user(target_smreqn, target_addr, 0);
1467
1468 return 0;
1469}
1470
1471static inline abi_long target_to_host_sockaddr(int fd, struct sockaddr *addr,
1472 abi_ulong target_addr,
1473 socklen_t len)
1474{
1475 const socklen_t unix_maxlen = sizeof (struct sockaddr_un);
1476 sa_family_t sa_family;
1477 struct target_sockaddr *target_saddr;
1478
1479 if (fd_trans_target_to_host_addr(fd)) {
1480 return fd_trans_target_to_host_addr(fd)(addr, target_addr, len);
1481 }
1482
1483 target_saddr = lock_user(VERIFY_READ, target_addr, len, 1);
1484 if (!target_saddr)
1485 return -TARGET_EFAULT;
1486
1487 sa_family = tswap16(target_saddr->sa_family);
1488
1489
1490
1491
1492
1493
1494
1495
1496
1497 if (sa_family == AF_UNIX) {
1498 if (len < unix_maxlen && len > 0) {
1499 char *cp = (char*)target_saddr;
1500
1501 if ( cp[len-1] && !cp[len] )
1502 len++;
1503 }
1504 if (len > unix_maxlen)
1505 len = unix_maxlen;
1506 }
1507
1508 memcpy(addr, target_saddr, len);
1509 addr->sa_family = sa_family;
1510 if (sa_family == AF_NETLINK) {
1511 struct sockaddr_nl *nladdr;
1512
1513 nladdr = (struct sockaddr_nl *)addr;
1514 nladdr->nl_pid = tswap32(nladdr->nl_pid);
1515 nladdr->nl_groups = tswap32(nladdr->nl_groups);
1516 } else if (sa_family == AF_PACKET) {
1517 struct target_sockaddr_ll *lladdr;
1518
1519 lladdr = (struct target_sockaddr_ll *)addr;
1520 lladdr->sll_ifindex = tswap32(lladdr->sll_ifindex);
1521 lladdr->sll_hatype = tswap16(lladdr->sll_hatype);
1522 }
1523 unlock_user(target_saddr, target_addr, 0);
1524
1525 return 0;
1526}
1527
1528static inline abi_long host_to_target_sockaddr(abi_ulong target_addr,
1529 struct sockaddr *addr,
1530 socklen_t len)
1531{
1532 struct target_sockaddr *target_saddr;
1533
1534 if (len == 0) {
1535 return 0;
1536 }
1537
1538 target_saddr = lock_user(VERIFY_WRITE, target_addr, len, 0);
1539 if (!target_saddr)
1540 return -TARGET_EFAULT;
1541 memcpy(target_saddr, addr, len);
1542 if (len >= offsetof(struct target_sockaddr, sa_family) +
1543 sizeof(target_saddr->sa_family)) {
1544 target_saddr->sa_family = tswap16(addr->sa_family);
1545 }
1546 if (addr->sa_family == AF_NETLINK && len >= sizeof(struct sockaddr_nl)) {
1547 struct sockaddr_nl *target_nl = (struct sockaddr_nl *)target_saddr;
1548 target_nl->nl_pid = tswap32(target_nl->nl_pid);
1549 target_nl->nl_groups = tswap32(target_nl->nl_groups);
1550 } else if (addr->sa_family == AF_PACKET) {
1551 struct sockaddr_ll *target_ll = (struct sockaddr_ll *)target_saddr;
1552 target_ll->sll_ifindex = tswap32(target_ll->sll_ifindex);
1553 target_ll->sll_hatype = tswap16(target_ll->sll_hatype);
1554 }
1555 unlock_user(target_saddr, target_addr, len);
1556
1557 return 0;
1558}
1559
1560static inline abi_long target_to_host_cmsg(struct msghdr *msgh,
1561 struct target_msghdr *target_msgh)
1562{
1563 struct cmsghdr *cmsg = CMSG_FIRSTHDR(msgh);
1564 abi_long msg_controllen;
1565 abi_ulong target_cmsg_addr;
1566 struct target_cmsghdr *target_cmsg, *target_cmsg_start;
1567 socklen_t space = 0;
1568
1569 msg_controllen = tswapal(target_msgh->msg_controllen);
1570 if (msg_controllen < sizeof (struct target_cmsghdr))
1571 goto the_end;
1572 target_cmsg_addr = tswapal(target_msgh->msg_control);
1573 target_cmsg = lock_user(VERIFY_READ, target_cmsg_addr, msg_controllen, 1);
1574 target_cmsg_start = target_cmsg;
1575 if (!target_cmsg)
1576 return -TARGET_EFAULT;
1577
1578 while (cmsg && target_cmsg) {
1579 void *data = CMSG_DATA(cmsg);
1580 void *target_data = TARGET_CMSG_DATA(target_cmsg);
1581
1582 int len = tswapal(target_cmsg->cmsg_len)
1583 - TARGET_CMSG_ALIGN(sizeof (struct target_cmsghdr));
1584
1585 space += CMSG_SPACE(len);
1586 if (space > msgh->msg_controllen) {
1587 space -= CMSG_SPACE(len);
1588
1589
1590
1591
1592
1593
1594
1595
1596
1597 gemu_log("Host cmsg overflow\n");
1598 break;
1599 }
1600
1601 if (tswap32(target_cmsg->cmsg_level) == TARGET_SOL_SOCKET) {
1602 cmsg->cmsg_level = SOL_SOCKET;
1603 } else {
1604 cmsg->cmsg_level = tswap32(target_cmsg->cmsg_level);
1605 }
1606 cmsg->cmsg_type = tswap32(target_cmsg->cmsg_type);
1607 cmsg->cmsg_len = CMSG_LEN(len);
1608
1609 if (cmsg->cmsg_level == SOL_SOCKET && cmsg->cmsg_type == SCM_RIGHTS) {
1610 int *fd = (int *)data;
1611 int *target_fd = (int *)target_data;
1612 int i, numfds = len / sizeof(int);
1613
1614 for (i = 0; i < numfds; i++) {
1615 __get_user(fd[i], target_fd + i);
1616 }
1617 } else if (cmsg->cmsg_level == SOL_SOCKET
1618 && cmsg->cmsg_type == SCM_CREDENTIALS) {
1619 struct ucred *cred = (struct ucred *)data;
1620 struct target_ucred *target_cred =
1621 (struct target_ucred *)target_data;
1622
1623 __get_user(cred->pid, &target_cred->pid);
1624 __get_user(cred->uid, &target_cred->uid);
1625 __get_user(cred->gid, &target_cred->gid);
1626 } else {
1627 gemu_log("Unsupported ancillary data: %d/%d\n",
1628 cmsg->cmsg_level, cmsg->cmsg_type);
1629 memcpy(data, target_data, len);
1630 }
1631
1632 cmsg = CMSG_NXTHDR(msgh, cmsg);
1633 target_cmsg = TARGET_CMSG_NXTHDR(target_msgh, target_cmsg,
1634 target_cmsg_start);
1635 }
1636 unlock_user(target_cmsg, target_cmsg_addr, 0);
1637 the_end:
1638 msgh->msg_controllen = space;
1639 return 0;
1640}
1641
1642static inline abi_long host_to_target_cmsg(struct target_msghdr *target_msgh,
1643 struct msghdr *msgh)
1644{
1645 struct cmsghdr *cmsg = CMSG_FIRSTHDR(msgh);
1646 abi_long msg_controllen;
1647 abi_ulong target_cmsg_addr;
1648 struct target_cmsghdr *target_cmsg, *target_cmsg_start;
1649 socklen_t space = 0;
1650
1651 msg_controllen = tswapal(target_msgh->msg_controllen);
1652 if (msg_controllen < sizeof (struct target_cmsghdr))
1653 goto the_end;
1654 target_cmsg_addr = tswapal(target_msgh->msg_control);
1655 target_cmsg = lock_user(VERIFY_WRITE, target_cmsg_addr, msg_controllen, 0);
1656 target_cmsg_start = target_cmsg;
1657 if (!target_cmsg)
1658 return -TARGET_EFAULT;
1659
1660 while (cmsg && target_cmsg) {
1661 void *data = CMSG_DATA(cmsg);
1662 void *target_data = TARGET_CMSG_DATA(target_cmsg);
1663
1664 int len = cmsg->cmsg_len - CMSG_ALIGN(sizeof (struct cmsghdr));
1665 int tgt_len, tgt_space;
1666
1667
1668
1669
1670
1671
1672
1673 if (msg_controllen < sizeof(struct cmsghdr)) {
1674 target_msgh->msg_flags |= tswap32(MSG_CTRUNC);
1675 break;
1676 }
1677
1678 if (cmsg->cmsg_level == SOL_SOCKET) {
1679 target_cmsg->cmsg_level = tswap32(TARGET_SOL_SOCKET);
1680 } else {
1681 target_cmsg->cmsg_level = tswap32(cmsg->cmsg_level);
1682 }
1683 target_cmsg->cmsg_type = tswap32(cmsg->cmsg_type);
1684
1685 tgt_len = TARGET_CMSG_LEN(len);
1686
1687
1688
1689
1690 switch (cmsg->cmsg_level) {
1691 case SOL_SOCKET:
1692 switch (cmsg->cmsg_type) {
1693 case SO_TIMESTAMP:
1694 tgt_len = sizeof(struct target_timeval);
1695 break;
1696 default:
1697 break;
1698 }
1699 default:
1700 break;
1701 }
1702
1703 if (msg_controllen < tgt_len) {
1704 target_msgh->msg_flags |= tswap32(MSG_CTRUNC);
1705 tgt_len = msg_controllen;
1706 }
1707
1708
1709
1710
1711
1712
1713 switch (cmsg->cmsg_level) {
1714 case SOL_SOCKET:
1715 switch (cmsg->cmsg_type) {
1716 case SCM_RIGHTS:
1717 {
1718 int *fd = (int *)data;
1719 int *target_fd = (int *)target_data;
1720 int i, numfds = tgt_len / sizeof(int);
1721
1722 for (i = 0; i < numfds; i++) {
1723 __put_user(fd[i], target_fd + i);
1724 }
1725 break;
1726 }
1727 case SO_TIMESTAMP:
1728 {
1729 struct timeval *tv = (struct timeval *)data;
1730 struct target_timeval *target_tv =
1731 (struct target_timeval *)target_data;
1732
1733 if (len != sizeof(struct timeval) ||
1734 tgt_len != sizeof(struct target_timeval)) {
1735 goto unimplemented;
1736 }
1737
1738
1739 __put_user(tv->tv_sec, &target_tv->tv_sec);
1740 __put_user(tv->tv_usec, &target_tv->tv_usec);
1741 break;
1742 }
1743 case SCM_CREDENTIALS:
1744 {
1745 struct ucred *cred = (struct ucred *)data;
1746 struct target_ucred *target_cred =
1747 (struct target_ucred *)target_data;
1748
1749 __put_user(cred->pid, &target_cred->pid);
1750 __put_user(cred->uid, &target_cred->uid);
1751 __put_user(cred->gid, &target_cred->gid);
1752 break;
1753 }
1754 default:
1755 goto unimplemented;
1756 }
1757 break;
1758
1759 default:
1760 unimplemented:
1761 gemu_log("Unsupported ancillary data: %d/%d\n",
1762 cmsg->cmsg_level, cmsg->cmsg_type);
1763 memcpy(target_data, data, MIN(len, tgt_len));
1764 if (tgt_len > len) {
1765 memset(target_data + len, 0, tgt_len - len);
1766 }
1767 }
1768
1769 target_cmsg->cmsg_len = tswapal(tgt_len);
1770 tgt_space = TARGET_CMSG_SPACE(len);
1771 if (msg_controllen < tgt_space) {
1772 tgt_space = msg_controllen;
1773 }
1774 msg_controllen -= tgt_space;
1775 space += tgt_space;
1776 cmsg = CMSG_NXTHDR(msgh, cmsg);
1777 target_cmsg = TARGET_CMSG_NXTHDR(target_msgh, target_cmsg,
1778 target_cmsg_start);
1779 }
1780 unlock_user(target_cmsg, target_cmsg_addr, space);
1781 the_end:
1782 target_msgh->msg_controllen = tswapal(space);
1783 return 0;
1784}
1785
1786static void tswap_nlmsghdr(struct nlmsghdr *nlh)
1787{
1788 nlh->nlmsg_len = tswap32(nlh->nlmsg_len);
1789 nlh->nlmsg_type = tswap16(nlh->nlmsg_type);
1790 nlh->nlmsg_flags = tswap16(nlh->nlmsg_flags);
1791 nlh->nlmsg_seq = tswap32(nlh->nlmsg_seq);
1792 nlh->nlmsg_pid = tswap32(nlh->nlmsg_pid);
1793}
1794
1795static abi_long host_to_target_for_each_nlmsg(struct nlmsghdr *nlh,
1796 size_t len,
1797 abi_long (*host_to_target_nlmsg)
1798 (struct nlmsghdr *))
1799{
1800 uint32_t nlmsg_len;
1801 abi_long ret;
1802
1803 while (len > sizeof(struct nlmsghdr)) {
1804
1805 nlmsg_len = nlh->nlmsg_len;
1806 if (nlmsg_len < sizeof(struct nlmsghdr) ||
1807 nlmsg_len > len) {
1808 break;
1809 }
1810
1811 switch (nlh->nlmsg_type) {
1812 case NLMSG_DONE:
1813 tswap_nlmsghdr(nlh);
1814 return 0;
1815 case NLMSG_NOOP:
1816 break;
1817 case NLMSG_ERROR:
1818 {
1819 struct nlmsgerr *e = NLMSG_DATA(nlh);
1820 e->error = tswap32(e->error);
1821 tswap_nlmsghdr(&e->msg);
1822 tswap_nlmsghdr(nlh);
1823 return 0;
1824 }
1825 default:
1826 ret = host_to_target_nlmsg(nlh);
1827 if (ret < 0) {
1828 tswap_nlmsghdr(nlh);
1829 return ret;
1830 }
1831 break;
1832 }
1833 tswap_nlmsghdr(nlh);
1834 len -= NLMSG_ALIGN(nlmsg_len);
1835 nlh = (struct nlmsghdr *)(((char*)nlh) + NLMSG_ALIGN(nlmsg_len));
1836 }
1837 return 0;
1838}
1839
1840static abi_long target_to_host_for_each_nlmsg(struct nlmsghdr *nlh,
1841 size_t len,
1842 abi_long (*target_to_host_nlmsg)
1843 (struct nlmsghdr *))
1844{
1845 int ret;
1846
1847 while (len > sizeof(struct nlmsghdr)) {
1848 if (tswap32(nlh->nlmsg_len) < sizeof(struct nlmsghdr) ||
1849 tswap32(nlh->nlmsg_len) > len) {
1850 break;
1851 }
1852 tswap_nlmsghdr(nlh);
1853 switch (nlh->nlmsg_type) {
1854 case NLMSG_DONE:
1855 return 0;
1856 case NLMSG_NOOP:
1857 break;
1858 case NLMSG_ERROR:
1859 {
1860 struct nlmsgerr *e = NLMSG_DATA(nlh);
1861 e->error = tswap32(e->error);
1862 tswap_nlmsghdr(&e->msg);
1863 return 0;
1864 }
1865 default:
1866 ret = target_to_host_nlmsg(nlh);
1867 if (ret < 0) {
1868 return ret;
1869 }
1870 }
1871 len -= NLMSG_ALIGN(nlh->nlmsg_len);
1872 nlh = (struct nlmsghdr *)(((char *)nlh) + NLMSG_ALIGN(nlh->nlmsg_len));
1873 }
1874 return 0;
1875}
1876
1877#ifdef CONFIG_RTNETLINK
1878static abi_long host_to_target_for_each_nlattr(struct nlattr *nlattr,
1879 size_t len, void *context,
1880 abi_long (*host_to_target_nlattr)
1881 (struct nlattr *,
1882 void *context))
1883{
1884 unsigned short nla_len;
1885 abi_long ret;
1886
1887 while (len > sizeof(struct nlattr)) {
1888 nla_len = nlattr->nla_len;
1889 if (nla_len < sizeof(struct nlattr) ||
1890 nla_len > len) {
1891 break;
1892 }
1893 ret = host_to_target_nlattr(nlattr, context);
1894 nlattr->nla_len = tswap16(nlattr->nla_len);
1895 nlattr->nla_type = tswap16(nlattr->nla_type);
1896 if (ret < 0) {
1897 return ret;
1898 }
1899 len -= NLA_ALIGN(nla_len);
1900 nlattr = (struct nlattr *)(((char *)nlattr) + NLA_ALIGN(nla_len));
1901 }
1902 return 0;
1903}
1904
1905static abi_long host_to_target_for_each_rtattr(struct rtattr *rtattr,
1906 size_t len,
1907 abi_long (*host_to_target_rtattr)
1908 (struct rtattr *))
1909{
1910 unsigned short rta_len;
1911 abi_long ret;
1912
1913 while (len > sizeof(struct rtattr)) {
1914 rta_len = rtattr->rta_len;
1915 if (rta_len < sizeof(struct rtattr) ||
1916 rta_len > len) {
1917 break;
1918 }
1919 ret = host_to_target_rtattr(rtattr);
1920 rtattr->rta_len = tswap16(rtattr->rta_len);
1921 rtattr->rta_type = tswap16(rtattr->rta_type);
1922 if (ret < 0) {
1923 return ret;
1924 }
1925 len -= RTA_ALIGN(rta_len);
1926 rtattr = (struct rtattr *)(((char *)rtattr) + RTA_ALIGN(rta_len));
1927 }
1928 return 0;
1929}
1930
1931#define NLA_DATA(nla) ((void *)((char *)(nla)) + NLA_HDRLEN)
1932
1933static abi_long host_to_target_data_bridge_nlattr(struct nlattr *nlattr,
1934 void *context)
1935{
1936 uint16_t *u16;
1937 uint32_t *u32;
1938 uint64_t *u64;
1939
1940 switch (nlattr->nla_type) {
1941
1942 case QEMU_IFLA_BR_FDB_FLUSH:
1943 break;
1944
1945 case QEMU_IFLA_BR_GROUP_ADDR:
1946 break;
1947
1948 case QEMU_IFLA_BR_VLAN_FILTERING:
1949 case QEMU_IFLA_BR_TOPOLOGY_CHANGE:
1950 case QEMU_IFLA_BR_TOPOLOGY_CHANGE_DETECTED:
1951 case QEMU_IFLA_BR_MCAST_ROUTER:
1952 case QEMU_IFLA_BR_MCAST_SNOOPING:
1953 case QEMU_IFLA_BR_MCAST_QUERY_USE_IFADDR:
1954 case QEMU_IFLA_BR_MCAST_QUERIER:
1955 case QEMU_IFLA_BR_NF_CALL_IPTABLES:
1956 case QEMU_IFLA_BR_NF_CALL_IP6TABLES:
1957 case QEMU_IFLA_BR_NF_CALL_ARPTABLES:
1958 break;
1959
1960 case QEMU_IFLA_BR_PRIORITY:
1961 case QEMU_IFLA_BR_VLAN_PROTOCOL:
1962 case QEMU_IFLA_BR_GROUP_FWD_MASK:
1963 case QEMU_IFLA_BR_ROOT_PORT:
1964 case QEMU_IFLA_BR_VLAN_DEFAULT_PVID:
1965 u16 = NLA_DATA(nlattr);
1966 *u16 = tswap16(*u16);
1967 break;
1968
1969 case QEMU_IFLA_BR_FORWARD_DELAY:
1970 case QEMU_IFLA_BR_HELLO_TIME:
1971 case QEMU_IFLA_BR_MAX_AGE:
1972 case QEMU_IFLA_BR_AGEING_TIME:
1973 case QEMU_IFLA_BR_STP_STATE:
1974 case QEMU_IFLA_BR_ROOT_PATH_COST:
1975 case QEMU_IFLA_BR_MCAST_HASH_ELASTICITY:
1976 case QEMU_IFLA_BR_MCAST_HASH_MAX:
1977 case QEMU_IFLA_BR_MCAST_LAST_MEMBER_CNT:
1978 case QEMU_IFLA_BR_MCAST_STARTUP_QUERY_CNT:
1979 u32 = NLA_DATA(nlattr);
1980 *u32 = tswap32(*u32);
1981 break;
1982
1983 case QEMU_IFLA_BR_HELLO_TIMER:
1984 case QEMU_IFLA_BR_TCN_TIMER:
1985 case QEMU_IFLA_BR_GC_TIMER:
1986 case QEMU_IFLA_BR_TOPOLOGY_CHANGE_TIMER:
1987 case QEMU_IFLA_BR_MCAST_LAST_MEMBER_INTVL:
1988 case QEMU_IFLA_BR_MCAST_MEMBERSHIP_INTVL:
1989 case QEMU_IFLA_BR_MCAST_QUERIER_INTVL:
1990 case QEMU_IFLA_BR_MCAST_QUERY_INTVL:
1991 case QEMU_IFLA_BR_MCAST_QUERY_RESPONSE_INTVL:
1992 case QEMU_IFLA_BR_MCAST_STARTUP_QUERY_INTVL:
1993 u64 = NLA_DATA(nlattr);
1994 *u64 = tswap64(*u64);
1995 break;
1996
1997 case QEMU_IFLA_BR_ROOT_ID:
1998 case QEMU_IFLA_BR_BRIDGE_ID:
1999 break;
2000 default:
2001 gemu_log("Unknown QEMU_IFLA_BR type %d\n", nlattr->nla_type);
2002 break;
2003 }
2004 return 0;
2005}
2006
2007static abi_long host_to_target_slave_data_bridge_nlattr(struct nlattr *nlattr,
2008 void *context)
2009{
2010 uint16_t *u16;
2011 uint32_t *u32;
2012 uint64_t *u64;
2013
2014 switch (nlattr->nla_type) {
2015
2016 case QEMU_IFLA_BRPORT_STATE:
2017 case QEMU_IFLA_BRPORT_MODE:
2018 case QEMU_IFLA_BRPORT_GUARD:
2019 case QEMU_IFLA_BRPORT_PROTECT:
2020 case QEMU_IFLA_BRPORT_FAST_LEAVE:
2021 case QEMU_IFLA_BRPORT_LEARNING:
2022 case QEMU_IFLA_BRPORT_UNICAST_FLOOD:
2023 case QEMU_IFLA_BRPORT_PROXYARP:
2024 case QEMU_IFLA_BRPORT_LEARNING_SYNC:
2025 case QEMU_IFLA_BRPORT_PROXYARP_WIFI:
2026 case QEMU_IFLA_BRPORT_TOPOLOGY_CHANGE_ACK:
2027 case QEMU_IFLA_BRPORT_CONFIG_PENDING:
2028 case QEMU_IFLA_BRPORT_MULTICAST_ROUTER:
2029 break;
2030
2031 case QEMU_IFLA_BRPORT_PRIORITY:
2032 case QEMU_IFLA_BRPORT_DESIGNATED_PORT:
2033 case QEMU_IFLA_BRPORT_DESIGNATED_COST:
2034 case QEMU_IFLA_BRPORT_ID:
2035 case QEMU_IFLA_BRPORT_NO:
2036 u16 = NLA_DATA(nlattr);
2037 *u16 = tswap16(*u16);
2038 break;
2039
2040 case QEMU_IFLA_BRPORT_COST:
2041 u32 = NLA_DATA(nlattr);
2042 *u32 = tswap32(*u32);
2043 break;
2044
2045 case QEMU_IFLA_BRPORT_MESSAGE_AGE_TIMER:
2046 case QEMU_IFLA_BRPORT_FORWARD_DELAY_TIMER:
2047 case QEMU_IFLA_BRPORT_HOLD_TIMER:
2048 u64 = NLA_DATA(nlattr);
2049 *u64 = tswap64(*u64);
2050 break;
2051
2052 case QEMU_IFLA_BRPORT_ROOT_ID:
2053 case QEMU_IFLA_BRPORT_BRIDGE_ID:
2054 break;
2055 default:
2056 gemu_log("Unknown QEMU_IFLA_BRPORT type %d\n", nlattr->nla_type);
2057 break;
2058 }
2059 return 0;
2060}
2061
2062struct linkinfo_context {
2063 int len;
2064 char *name;
2065 int slave_len;
2066 char *slave_name;
2067};
2068
2069static abi_long host_to_target_data_linkinfo_nlattr(struct nlattr *nlattr,
2070 void *context)
2071{
2072 struct linkinfo_context *li_context = context;
2073
2074 switch (nlattr->nla_type) {
2075
2076 case QEMU_IFLA_INFO_KIND:
2077 li_context->name = NLA_DATA(nlattr);
2078 li_context->len = nlattr->nla_len - NLA_HDRLEN;
2079 break;
2080 case QEMU_IFLA_INFO_SLAVE_KIND:
2081 li_context->slave_name = NLA_DATA(nlattr);
2082 li_context->slave_len = nlattr->nla_len - NLA_HDRLEN;
2083 break;
2084
2085 case QEMU_IFLA_INFO_XSTATS:
2086
2087 break;
2088
2089 case QEMU_IFLA_INFO_DATA:
2090 if (strncmp(li_context->name, "bridge",
2091 li_context->len) == 0) {
2092 return host_to_target_for_each_nlattr(NLA_DATA(nlattr),
2093 nlattr->nla_len,
2094 NULL,
2095 host_to_target_data_bridge_nlattr);
2096 } else {
2097 gemu_log("Unknown QEMU_IFLA_INFO_KIND %s\n", li_context->name);
2098 }
2099 break;
2100 case QEMU_IFLA_INFO_SLAVE_DATA:
2101 if (strncmp(li_context->slave_name, "bridge",
2102 li_context->slave_len) == 0) {
2103 return host_to_target_for_each_nlattr(NLA_DATA(nlattr),
2104 nlattr->nla_len,
2105 NULL,
2106 host_to_target_slave_data_bridge_nlattr);
2107 } else {
2108 gemu_log("Unknown QEMU_IFLA_INFO_SLAVE_KIND %s\n",
2109 li_context->slave_name);
2110 }
2111 break;
2112 default:
2113 gemu_log("Unknown host QEMU_IFLA_INFO type: %d\n", nlattr->nla_type);
2114 break;
2115 }
2116
2117 return 0;
2118}
2119
2120static abi_long host_to_target_data_inet_nlattr(struct nlattr *nlattr,
2121 void *context)
2122{
2123 uint32_t *u32;
2124 int i;
2125
2126 switch (nlattr->nla_type) {
2127 case QEMU_IFLA_INET_CONF:
2128 u32 = NLA_DATA(nlattr);
2129 for (i = 0; i < (nlattr->nla_len - NLA_HDRLEN) / sizeof(*u32);
2130 i++) {
2131 u32[i] = tswap32(u32[i]);
2132 }
2133 break;
2134 default:
2135 gemu_log("Unknown host AF_INET type: %d\n", nlattr->nla_type);
2136 }
2137 return 0;
2138}
2139
2140static abi_long host_to_target_data_inet6_nlattr(struct nlattr *nlattr,
2141 void *context)
2142{
2143 uint32_t *u32;
2144 uint64_t *u64;
2145 struct ifla_cacheinfo *ci;
2146 int i;
2147
2148 switch (nlattr->nla_type) {
2149
2150 case QEMU_IFLA_INET6_TOKEN:
2151 break;
2152
2153 case QEMU_IFLA_INET6_ADDR_GEN_MODE:
2154 break;
2155
2156 case QEMU_IFLA_INET6_FLAGS:
2157 u32 = NLA_DATA(nlattr);
2158 *u32 = tswap32(*u32);
2159 break;
2160
2161 case QEMU_IFLA_INET6_CONF:
2162 u32 = NLA_DATA(nlattr);
2163 for (i = 0; i < (nlattr->nla_len - NLA_HDRLEN) / sizeof(*u32);
2164 i++) {
2165 u32[i] = tswap32(u32[i]);
2166 }
2167 break;
2168
2169 case QEMU_IFLA_INET6_CACHEINFO:
2170 ci = NLA_DATA(nlattr);
2171 ci->max_reasm_len = tswap32(ci->max_reasm_len);
2172 ci->tstamp = tswap32(ci->tstamp);
2173 ci->reachable_time = tswap32(ci->reachable_time);
2174 ci->retrans_time = tswap32(ci->retrans_time);
2175 break;
2176
2177 case QEMU_IFLA_INET6_STATS:
2178 case QEMU_IFLA_INET6_ICMP6STATS:
2179 u64 = NLA_DATA(nlattr);
2180 for (i = 0; i < (nlattr->nla_len - NLA_HDRLEN) / sizeof(*u64);
2181 i++) {
2182 u64[i] = tswap64(u64[i]);
2183 }
2184 break;
2185 default:
2186 gemu_log("Unknown host AF_INET6 type: %d\n", nlattr->nla_type);
2187 }
2188 return 0;
2189}
2190
2191static abi_long host_to_target_data_spec_nlattr(struct nlattr *nlattr,
2192 void *context)
2193{
2194 switch (nlattr->nla_type) {
2195 case AF_INET:
2196 return host_to_target_for_each_nlattr(NLA_DATA(nlattr), nlattr->nla_len,
2197 NULL,
2198 host_to_target_data_inet_nlattr);
2199 case AF_INET6:
2200 return host_to_target_for_each_nlattr(NLA_DATA(nlattr), nlattr->nla_len,
2201 NULL,
2202 host_to_target_data_inet6_nlattr);
2203 default:
2204 gemu_log("Unknown host AF_SPEC type: %d\n", nlattr->nla_type);
2205 break;
2206 }
2207 return 0;
2208}
2209
2210static abi_long host_to_target_data_link_rtattr(struct rtattr *rtattr)
2211{
2212 uint32_t *u32;
2213 struct rtnl_link_stats *st;
2214 struct rtnl_link_stats64 *st64;
2215 struct rtnl_link_ifmap *map;
2216 struct linkinfo_context li_context;
2217
2218 switch (rtattr->rta_type) {
2219
2220 case QEMU_IFLA_ADDRESS:
2221 case QEMU_IFLA_BROADCAST:
2222
2223 case QEMU_IFLA_IFNAME:
2224 case QEMU_IFLA_QDISC:
2225 break;
2226
2227 case QEMU_IFLA_OPERSTATE:
2228 case QEMU_IFLA_LINKMODE:
2229 case QEMU_IFLA_CARRIER:
2230 case QEMU_IFLA_PROTO_DOWN:
2231 break;
2232
2233 case QEMU_IFLA_MTU:
2234 case QEMU_IFLA_LINK:
2235 case QEMU_IFLA_WEIGHT:
2236 case QEMU_IFLA_TXQLEN:
2237 case QEMU_IFLA_CARRIER_CHANGES:
2238 case QEMU_IFLA_NUM_RX_QUEUES:
2239 case QEMU_IFLA_NUM_TX_QUEUES:
2240 case QEMU_IFLA_PROMISCUITY:
2241 case QEMU_IFLA_EXT_MASK:
2242 case QEMU_IFLA_LINK_NETNSID:
2243 case QEMU_IFLA_GROUP:
2244 case QEMU_IFLA_MASTER:
2245 case QEMU_IFLA_NUM_VF:
2246 u32 = RTA_DATA(rtattr);
2247 *u32 = tswap32(*u32);
2248 break;
2249
2250 case QEMU_IFLA_STATS:
2251 st = RTA_DATA(rtattr);
2252 st->rx_packets = tswap32(st->rx_packets);
2253 st->tx_packets = tswap32(st->tx_packets);
2254 st->rx_bytes = tswap32(st->rx_bytes);
2255 st->tx_bytes = tswap32(st->tx_bytes);
2256 st->rx_errors = tswap32(st->rx_errors);
2257 st->tx_errors = tswap32(st->tx_errors);
2258 st->rx_dropped = tswap32(st->rx_dropped);
2259 st->tx_dropped = tswap32(st->tx_dropped);
2260 st->multicast = tswap32(st->multicast);
2261 st->collisions = tswap32(st->collisions);
2262
2263
2264 st->rx_length_errors = tswap32(st->rx_length_errors);
2265 st->rx_over_errors = tswap32(st->rx_over_errors);
2266 st->rx_crc_errors = tswap32(st->rx_crc_errors);
2267 st->rx_frame_errors = tswap32(st->rx_frame_errors);
2268 st->rx_fifo_errors = tswap32(st->rx_fifo_errors);
2269 st->rx_missed_errors = tswap32(st->rx_missed_errors);
2270
2271
2272 st->tx_aborted_errors = tswap32(st->tx_aborted_errors);
2273 st->tx_carrier_errors = tswap32(st->tx_carrier_errors);
2274 st->tx_fifo_errors = tswap32(st->tx_fifo_errors);
2275 st->tx_heartbeat_errors = tswap32(st->tx_heartbeat_errors);
2276 st->tx_window_errors = tswap32(st->tx_window_errors);
2277
2278
2279 st->rx_compressed = tswap32(st->rx_compressed);
2280 st->tx_compressed = tswap32(st->tx_compressed);
2281 break;
2282
2283 case QEMU_IFLA_STATS64:
2284 st64 = RTA_DATA(rtattr);
2285 st64->rx_packets = tswap64(st64->rx_packets);
2286 st64->tx_packets = tswap64(st64->tx_packets);
2287 st64->rx_bytes = tswap64(st64->rx_bytes);
2288 st64->tx_bytes = tswap64(st64->tx_bytes);
2289 st64->rx_errors = tswap64(st64->rx_errors);
2290 st64->tx_errors = tswap64(st64->tx_errors);
2291 st64->rx_dropped = tswap64(st64->rx_dropped);
2292 st64->tx_dropped = tswap64(st64->tx_dropped);
2293 st64->multicast = tswap64(st64->multicast);
2294 st64->collisions = tswap64(st64->collisions);
2295
2296
2297 st64->rx_length_errors = tswap64(st64->rx_length_errors);
2298 st64->rx_over_errors = tswap64(st64->rx_over_errors);
2299 st64->rx_crc_errors = tswap64(st64->rx_crc_errors);
2300 st64->rx_frame_errors = tswap64(st64->rx_frame_errors);
2301 st64->rx_fifo_errors = tswap64(st64->rx_fifo_errors);
2302 st64->rx_missed_errors = tswap64(st64->rx_missed_errors);
2303
2304
2305 st64->tx_aborted_errors = tswap64(st64->tx_aborted_errors);
2306 st64->tx_carrier_errors = tswap64(st64->tx_carrier_errors);
2307 st64->tx_fifo_errors = tswap64(st64->tx_fifo_errors);
2308 st64->tx_heartbeat_errors = tswap64(st64->tx_heartbeat_errors);
2309 st64->tx_window_errors = tswap64(st64->tx_window_errors);
2310
2311
2312 st64->rx_compressed = tswap64(st64->rx_compressed);
2313 st64->tx_compressed = tswap64(st64->tx_compressed);
2314 break;
2315
2316 case QEMU_IFLA_MAP:
2317 map = RTA_DATA(rtattr);
2318 map->mem_start = tswap64(map->mem_start);
2319 map->mem_end = tswap64(map->mem_end);
2320 map->base_addr = tswap64(map->base_addr);
2321 map->irq = tswap16(map->irq);
2322 break;
2323
2324 case QEMU_IFLA_LINKINFO:
2325 memset(&li_context, 0, sizeof(li_context));
2326 return host_to_target_for_each_nlattr(RTA_DATA(rtattr), rtattr->rta_len,
2327 &li_context,
2328 host_to_target_data_linkinfo_nlattr);
2329 case QEMU_IFLA_AF_SPEC:
2330 return host_to_target_for_each_nlattr(RTA_DATA(rtattr), rtattr->rta_len,
2331 NULL,
2332 host_to_target_data_spec_nlattr);
2333 default:
2334 gemu_log("Unknown host QEMU_IFLA type: %d\n", rtattr->rta_type);
2335 break;
2336 }
2337 return 0;
2338}
2339
2340static abi_long host_to_target_data_addr_rtattr(struct rtattr *rtattr)
2341{
2342 uint32_t *u32;
2343 struct ifa_cacheinfo *ci;
2344
2345 switch (rtattr->rta_type) {
2346
2347 case IFA_ADDRESS:
2348 case IFA_LOCAL:
2349 break;
2350
2351 case IFA_LABEL:
2352 break;
2353
2354 case IFA_FLAGS:
2355 case IFA_BROADCAST:
2356 u32 = RTA_DATA(rtattr);
2357 *u32 = tswap32(*u32);
2358 break;
2359
2360 case IFA_CACHEINFO:
2361 ci = RTA_DATA(rtattr);
2362 ci->ifa_prefered = tswap32(ci->ifa_prefered);
2363 ci->ifa_valid = tswap32(ci->ifa_valid);
2364 ci->cstamp = tswap32(ci->cstamp);
2365 ci->tstamp = tswap32(ci->tstamp);
2366 break;
2367 default:
2368 gemu_log("Unknown host IFA type: %d\n", rtattr->rta_type);
2369 break;
2370 }
2371 return 0;
2372}
2373
2374static abi_long host_to_target_data_route_rtattr(struct rtattr *rtattr)
2375{
2376 uint32_t *u32;
2377 switch (rtattr->rta_type) {
2378
2379 case RTA_GATEWAY:
2380 case RTA_DST:
2381 case RTA_PREFSRC:
2382 break;
2383
2384 case RTA_PRIORITY:
2385 case RTA_TABLE:
2386 case RTA_OIF:
2387 u32 = RTA_DATA(rtattr);
2388 *u32 = tswap32(*u32);
2389 break;
2390 default:
2391 gemu_log("Unknown host RTA type: %d\n", rtattr->rta_type);
2392 break;
2393 }
2394 return 0;
2395}
2396
2397static abi_long host_to_target_link_rtattr(struct rtattr *rtattr,
2398 uint32_t rtattr_len)
2399{
2400 return host_to_target_for_each_rtattr(rtattr, rtattr_len,
2401 host_to_target_data_link_rtattr);
2402}
2403
2404static abi_long host_to_target_addr_rtattr(struct rtattr *rtattr,
2405 uint32_t rtattr_len)
2406{
2407 return host_to_target_for_each_rtattr(rtattr, rtattr_len,
2408 host_to_target_data_addr_rtattr);
2409}
2410
2411static abi_long host_to_target_route_rtattr(struct rtattr *rtattr,
2412 uint32_t rtattr_len)
2413{
2414 return host_to_target_for_each_rtattr(rtattr, rtattr_len,
2415 host_to_target_data_route_rtattr);
2416}
2417
2418static abi_long host_to_target_data_route(struct nlmsghdr *nlh)
2419{
2420 uint32_t nlmsg_len;
2421 struct ifinfomsg *ifi;
2422 struct ifaddrmsg *ifa;
2423 struct rtmsg *rtm;
2424
2425 nlmsg_len = nlh->nlmsg_len;
2426 switch (nlh->nlmsg_type) {
2427 case RTM_NEWLINK:
2428 case RTM_DELLINK:
2429 case RTM_GETLINK:
2430 if (nlh->nlmsg_len >= NLMSG_LENGTH(sizeof(*ifi))) {
2431 ifi = NLMSG_DATA(nlh);
2432 ifi->ifi_type = tswap16(ifi->ifi_type);
2433 ifi->ifi_index = tswap32(ifi->ifi_index);
2434 ifi->ifi_flags = tswap32(ifi->ifi_flags);
2435 ifi->ifi_change = tswap32(ifi->ifi_change);
2436 host_to_target_link_rtattr(IFLA_RTA(ifi),
2437 nlmsg_len - NLMSG_LENGTH(sizeof(*ifi)));
2438 }
2439 break;
2440 case RTM_NEWADDR:
2441 case RTM_DELADDR:
2442 case RTM_GETADDR:
2443 if (nlh->nlmsg_len >= NLMSG_LENGTH(sizeof(*ifa))) {
2444 ifa = NLMSG_DATA(nlh);
2445 ifa->ifa_index = tswap32(ifa->ifa_index);
2446 host_to_target_addr_rtattr(IFA_RTA(ifa),
2447 nlmsg_len - NLMSG_LENGTH(sizeof(*ifa)));
2448 }
2449 break;
2450 case RTM_NEWROUTE:
2451 case RTM_DELROUTE:
2452 case RTM_GETROUTE:
2453 if (nlh->nlmsg_len >= NLMSG_LENGTH(sizeof(*rtm))) {
2454 rtm = NLMSG_DATA(nlh);
2455 rtm->rtm_flags = tswap32(rtm->rtm_flags);
2456 host_to_target_route_rtattr(RTM_RTA(rtm),
2457 nlmsg_len - NLMSG_LENGTH(sizeof(*rtm)));
2458 }
2459 break;
2460 default:
2461 return -TARGET_EINVAL;
2462 }
2463 return 0;
2464}
2465
2466static inline abi_long host_to_target_nlmsg_route(struct nlmsghdr *nlh,
2467 size_t len)
2468{
2469 return host_to_target_for_each_nlmsg(nlh, len, host_to_target_data_route);
2470}
2471
2472static abi_long target_to_host_for_each_rtattr(struct rtattr *rtattr,
2473 size_t len,
2474 abi_long (*target_to_host_rtattr)
2475 (struct rtattr *))
2476{
2477 abi_long ret;
2478
2479 while (len >= sizeof(struct rtattr)) {
2480 if (tswap16(rtattr->rta_len) < sizeof(struct rtattr) ||
2481 tswap16(rtattr->rta_len) > len) {
2482 break;
2483 }
2484 rtattr->rta_len = tswap16(rtattr->rta_len);
2485 rtattr->rta_type = tswap16(rtattr->rta_type);
2486 ret = target_to_host_rtattr(rtattr);
2487 if (ret < 0) {
2488 return ret;
2489 }
2490 len -= RTA_ALIGN(rtattr->rta_len);
2491 rtattr = (struct rtattr *)(((char *)rtattr) +
2492 RTA_ALIGN(rtattr->rta_len));
2493 }
2494 return 0;
2495}
2496
2497static abi_long target_to_host_data_link_rtattr(struct rtattr *rtattr)
2498{
2499 switch (rtattr->rta_type) {
2500 default:
2501 gemu_log("Unknown target QEMU_IFLA type: %d\n", rtattr->rta_type);
2502 break;
2503 }
2504 return 0;
2505}
2506
2507static abi_long target_to_host_data_addr_rtattr(struct rtattr *rtattr)
2508{
2509 switch (rtattr->rta_type) {
2510
2511 case IFA_LOCAL:
2512 case IFA_ADDRESS:
2513 break;
2514 default:
2515 gemu_log("Unknown target IFA type: %d\n", rtattr->rta_type);
2516 break;
2517 }
2518 return 0;
2519}
2520
2521static abi_long target_to_host_data_route_rtattr(struct rtattr *rtattr)
2522{
2523 uint32_t *u32;
2524 switch (rtattr->rta_type) {
2525
2526 case RTA_DST:
2527 case RTA_SRC:
2528 case RTA_GATEWAY:
2529 break;
2530
2531 case RTA_OIF:
2532 u32 = RTA_DATA(rtattr);
2533 *u32 = tswap32(*u32);
2534 break;
2535 default:
2536 gemu_log("Unknown target RTA type: %d\n", rtattr->rta_type);
2537 break;
2538 }
2539 return 0;
2540}
2541
2542static void target_to_host_link_rtattr(struct rtattr *rtattr,
2543 uint32_t rtattr_len)
2544{
2545 target_to_host_for_each_rtattr(rtattr, rtattr_len,
2546 target_to_host_data_link_rtattr);
2547}
2548
2549static void target_to_host_addr_rtattr(struct rtattr *rtattr,
2550 uint32_t rtattr_len)
2551{
2552 target_to_host_for_each_rtattr(rtattr, rtattr_len,
2553 target_to_host_data_addr_rtattr);
2554}
2555
2556static void target_to_host_route_rtattr(struct rtattr *rtattr,
2557 uint32_t rtattr_len)
2558{
2559 target_to_host_for_each_rtattr(rtattr, rtattr_len,
2560 target_to_host_data_route_rtattr);
2561}
2562
2563static abi_long target_to_host_data_route(struct nlmsghdr *nlh)
2564{
2565 struct ifinfomsg *ifi;
2566 struct ifaddrmsg *ifa;
2567 struct rtmsg *rtm;
2568
2569 switch (nlh->nlmsg_type) {
2570 case RTM_GETLINK:
2571 break;
2572 case RTM_NEWLINK:
2573 case RTM_DELLINK:
2574 if (nlh->nlmsg_len >= NLMSG_LENGTH(sizeof(*ifi))) {
2575 ifi = NLMSG_DATA(nlh);
2576 ifi->ifi_type = tswap16(ifi->ifi_type);
2577 ifi->ifi_index = tswap32(ifi->ifi_index);
2578 ifi->ifi_flags = tswap32(ifi->ifi_flags);
2579 ifi->ifi_change = tswap32(ifi->ifi_change);
2580 target_to_host_link_rtattr(IFLA_RTA(ifi), nlh->nlmsg_len -
2581 NLMSG_LENGTH(sizeof(*ifi)));
2582 }
2583 break;
2584 case RTM_GETADDR:
2585 case RTM_NEWADDR:
2586 case RTM_DELADDR:
2587 if (nlh->nlmsg_len >= NLMSG_LENGTH(sizeof(*ifa))) {
2588 ifa = NLMSG_DATA(nlh);
2589 ifa->ifa_index = tswap32(ifa->ifa_index);
2590 target_to_host_addr_rtattr(IFA_RTA(ifa), nlh->nlmsg_len -
2591 NLMSG_LENGTH(sizeof(*ifa)));
2592 }
2593 break;
2594 case RTM_GETROUTE:
2595 break;
2596 case RTM_NEWROUTE:
2597 case RTM_DELROUTE:
2598 if (nlh->nlmsg_len >= NLMSG_LENGTH(sizeof(*rtm))) {
2599 rtm = NLMSG_DATA(nlh);
2600 rtm->rtm_flags = tswap32(rtm->rtm_flags);
2601 target_to_host_route_rtattr(RTM_RTA(rtm), nlh->nlmsg_len -
2602 NLMSG_LENGTH(sizeof(*rtm)));
2603 }
2604 break;
2605 default:
2606 return -TARGET_EOPNOTSUPP;
2607 }
2608 return 0;
2609}
2610
2611static abi_long target_to_host_nlmsg_route(struct nlmsghdr *nlh, size_t len)
2612{
2613 return target_to_host_for_each_nlmsg(nlh, len, target_to_host_data_route);
2614}
2615#endif
2616
2617static abi_long host_to_target_data_audit(struct nlmsghdr *nlh)
2618{
2619 switch (nlh->nlmsg_type) {
2620 default:
2621 gemu_log("Unknown host audit message type %d\n",
2622 nlh->nlmsg_type);
2623 return -TARGET_EINVAL;
2624 }
2625 return 0;
2626}
2627
2628static inline abi_long host_to_target_nlmsg_audit(struct nlmsghdr *nlh,
2629 size_t len)
2630{
2631 return host_to_target_for_each_nlmsg(nlh, len, host_to_target_data_audit);
2632}
2633
2634static abi_long target_to_host_data_audit(struct nlmsghdr *nlh)
2635{
2636 switch (nlh->nlmsg_type) {
2637 case AUDIT_USER:
2638 case AUDIT_FIRST_USER_MSG ... AUDIT_LAST_USER_MSG:
2639 case AUDIT_FIRST_USER_MSG2 ... AUDIT_LAST_USER_MSG2:
2640 break;
2641 default:
2642 gemu_log("Unknown target audit message type %d\n",
2643 nlh->nlmsg_type);
2644 return -TARGET_EINVAL;
2645 }
2646
2647 return 0;
2648}
2649
2650static abi_long target_to_host_nlmsg_audit(struct nlmsghdr *nlh, size_t len)
2651{
2652 return target_to_host_for_each_nlmsg(nlh, len, target_to_host_data_audit);
2653}
2654
2655
2656static abi_long do_setsockopt(int sockfd, int level, int optname,
2657 abi_ulong optval_addr, socklen_t optlen)
2658{
2659 abi_long ret;
2660 int val;
2661 struct ip_mreqn *ip_mreq;
2662 struct ip_mreq_source *ip_mreq_source;
2663
2664 switch(level) {
2665 case SOL_TCP:
2666
2667 if (optlen < sizeof(uint32_t))
2668 return -TARGET_EINVAL;
2669
2670 if (get_user_u32(val, optval_addr))
2671 return -TARGET_EFAULT;
2672 ret = get_errno(setsockopt(sockfd, level, optname, &val, sizeof(val)));
2673 break;
2674 case SOL_IP:
2675 switch(optname) {
2676 case IP_TOS:
2677 case IP_TTL:
2678 case IP_HDRINCL:
2679 case IP_ROUTER_ALERT:
2680 case IP_RECVOPTS:
2681 case IP_RETOPTS:
2682 case IP_PKTINFO:
2683 case IP_MTU_DISCOVER:
2684 case IP_RECVERR:
2685 case IP_RECVTOS:
2686#ifdef IP_FREEBIND
2687 case IP_FREEBIND:
2688#endif
2689 case IP_MULTICAST_TTL:
2690 case IP_MULTICAST_LOOP:
2691 val = 0;
2692 if (optlen >= sizeof(uint32_t)) {
2693 if (get_user_u32(val, optval_addr))
2694 return -TARGET_EFAULT;
2695 } else if (optlen >= 1) {
2696 if (get_user_u8(val, optval_addr))
2697 return -TARGET_EFAULT;
2698 }
2699 ret = get_errno(setsockopt(sockfd, level, optname, &val, sizeof(val)));
2700 break;
2701 case IP_ADD_MEMBERSHIP:
2702 case IP_DROP_MEMBERSHIP:
2703 if (optlen < sizeof (struct target_ip_mreq) ||
2704 optlen > sizeof (struct target_ip_mreqn))
2705 return -TARGET_EINVAL;
2706
2707 ip_mreq = (struct ip_mreqn *) alloca(optlen);
2708 target_to_host_ip_mreq(ip_mreq, optval_addr, optlen);
2709 ret = get_errno(setsockopt(sockfd, level, optname, ip_mreq, optlen));
2710 break;
2711
2712 case IP_BLOCK_SOURCE:
2713 case IP_UNBLOCK_SOURCE:
2714 case IP_ADD_SOURCE_MEMBERSHIP:
2715 case IP_DROP_SOURCE_MEMBERSHIP:
2716 if (optlen != sizeof (struct target_ip_mreq_source))
2717 return -TARGET_EINVAL;
2718
2719 ip_mreq_source = lock_user(VERIFY_READ, optval_addr, optlen, 1);
2720 ret = get_errno(setsockopt(sockfd, level, optname, ip_mreq_source, optlen));
2721 unlock_user (ip_mreq_source, optval_addr, 0);
2722 break;
2723
2724 default:
2725 goto unimplemented;
2726 }
2727 break;
2728 case SOL_IPV6:
2729 switch (optname) {
2730 case IPV6_MTU_DISCOVER:
2731 case IPV6_MTU:
2732 case IPV6_V6ONLY:
2733 case IPV6_RECVPKTINFO:
2734 val = 0;
2735 if (optlen < sizeof(uint32_t)) {
2736 return -TARGET_EINVAL;
2737 }
2738 if (get_user_u32(val, optval_addr)) {
2739 return -TARGET_EFAULT;
2740 }
2741 ret = get_errno(setsockopt(sockfd, level, optname,
2742 &val, sizeof(val)));
2743 break;
2744 default:
2745 goto unimplemented;
2746 }
2747 break;
2748 case SOL_RAW:
2749 switch (optname) {
2750 case ICMP_FILTER:
2751
2752 if (optlen < sizeof(uint32_t)) {
2753 return -TARGET_EINVAL;
2754 }
2755
2756 if (get_user_u32(val, optval_addr)) {
2757 return -TARGET_EFAULT;
2758 }
2759 ret = get_errno(setsockopt(sockfd, level, optname,
2760 &val, sizeof(val)));
2761 break;
2762
2763 default:
2764 goto unimplemented;
2765 }
2766 break;
2767 case TARGET_SOL_SOCKET:
2768 switch (optname) {
2769 case TARGET_SO_RCVTIMEO:
2770 {
2771 struct timeval tv;
2772
2773 optname = SO_RCVTIMEO;
2774
2775set_timeout:
2776 if (optlen != sizeof(struct target_timeval)) {
2777 return -TARGET_EINVAL;
2778 }
2779
2780 if (copy_from_user_timeval(&tv, optval_addr)) {
2781 return -TARGET_EFAULT;
2782 }
2783
2784 ret = get_errno(setsockopt(sockfd, SOL_SOCKET, optname,
2785 &tv, sizeof(tv)));
2786 return ret;
2787 }
2788 case TARGET_SO_SNDTIMEO:
2789 optname = SO_SNDTIMEO;
2790 goto set_timeout;
2791 case TARGET_SO_ATTACH_FILTER:
2792 {
2793 struct target_sock_fprog *tfprog;
2794 struct target_sock_filter *tfilter;
2795 struct sock_fprog fprog;
2796 struct sock_filter *filter;
2797 int i;
2798
2799 if (optlen != sizeof(*tfprog)) {
2800 return -TARGET_EINVAL;
2801 }
2802 if (!lock_user_struct(VERIFY_READ, tfprog, optval_addr, 0)) {
2803 return -TARGET_EFAULT;
2804 }
2805 if (!lock_user_struct(VERIFY_READ, tfilter,
2806 tswapal(tfprog->filter), 0)) {
2807 unlock_user_struct(tfprog, optval_addr, 1);
2808 return -TARGET_EFAULT;
2809 }
2810
2811 fprog.len = tswap16(tfprog->len);
2812 filter = g_try_new(struct sock_filter, fprog.len);
2813 if (filter == NULL) {
2814 unlock_user_struct(tfilter, tfprog->filter, 1);
2815 unlock_user_struct(tfprog, optval_addr, 1);
2816 return -TARGET_ENOMEM;
2817 }
2818 for (i = 0; i < fprog.len; i++) {
2819 filter[i].code = tswap16(tfilter[i].code);
2820 filter[i].jt = tfilter[i].jt;
2821 filter[i].jf = tfilter[i].jf;
2822 filter[i].k = tswap32(tfilter[i].k);
2823 }
2824 fprog.filter = filter;
2825
2826 ret = get_errno(setsockopt(sockfd, SOL_SOCKET,
2827 SO_ATTACH_FILTER, &fprog, sizeof(fprog)));
2828 g_free(filter);
2829
2830 unlock_user_struct(tfilter, tfprog->filter, 1);
2831 unlock_user_struct(tfprog, optval_addr, 1);
2832 return ret;
2833 }
2834 case TARGET_SO_BINDTODEVICE:
2835 {
2836 char *dev_ifname, *addr_ifname;
2837
2838 if (optlen > IFNAMSIZ - 1) {
2839 optlen = IFNAMSIZ - 1;
2840 }
2841 dev_ifname = lock_user(VERIFY_READ, optval_addr, optlen, 1);
2842 if (!dev_ifname) {
2843 return -TARGET_EFAULT;
2844 }
2845 optname = SO_BINDTODEVICE;
2846 addr_ifname = alloca(IFNAMSIZ);
2847 memcpy(addr_ifname, dev_ifname, optlen);
2848 addr_ifname[optlen] = 0;
2849 ret = get_errno(setsockopt(sockfd, SOL_SOCKET, optname,
2850 addr_ifname, optlen));
2851 unlock_user (dev_ifname, optval_addr, 0);
2852 return ret;
2853 }
2854
2855 case TARGET_SO_DEBUG:
2856 optname = SO_DEBUG;
2857 break;
2858 case TARGET_SO_REUSEADDR:
2859 optname = SO_REUSEADDR;
2860 break;
2861 case TARGET_SO_TYPE:
2862 optname = SO_TYPE;
2863 break;
2864 case TARGET_SO_ERROR:
2865 optname = SO_ERROR;
2866 break;
2867 case TARGET_SO_DONTROUTE:
2868 optname = SO_DONTROUTE;
2869 break;
2870 case TARGET_SO_BROADCAST:
2871 optname = SO_BROADCAST;
2872 break;
2873 case TARGET_SO_SNDBUF:
2874 optname = SO_SNDBUF;
2875 break;
2876 case TARGET_SO_SNDBUFFORCE:
2877 optname = SO_SNDBUFFORCE;
2878 break;
2879 case TARGET_SO_RCVBUF:
2880 optname = SO_RCVBUF;
2881 break;
2882 case TARGET_SO_RCVBUFFORCE:
2883 optname = SO_RCVBUFFORCE;
2884 break;
2885 case TARGET_SO_KEEPALIVE:
2886 optname = SO_KEEPALIVE;
2887 break;
2888 case TARGET_SO_OOBINLINE:
2889 optname = SO_OOBINLINE;
2890 break;
2891 case TARGET_SO_NO_CHECK:
2892 optname = SO_NO_CHECK;
2893 break;
2894 case TARGET_SO_PRIORITY:
2895 optname = SO_PRIORITY;
2896 break;
2897#ifdef SO_BSDCOMPAT
2898 case TARGET_SO_BSDCOMPAT:
2899 optname = SO_BSDCOMPAT;
2900 break;
2901#endif
2902 case TARGET_SO_PASSCRED:
2903 optname = SO_PASSCRED;
2904 break;
2905 case TARGET_SO_PASSSEC:
2906 optname = SO_PASSSEC;
2907 break;
2908 case TARGET_SO_TIMESTAMP:
2909 optname = SO_TIMESTAMP;
2910 break;
2911 case TARGET_SO_RCVLOWAT:
2912 optname = SO_RCVLOWAT;
2913 break;
2914 break;
2915 default:
2916 goto unimplemented;
2917 }
2918 if (optlen < sizeof(uint32_t))
2919 return -TARGET_EINVAL;
2920
2921 if (get_user_u32(val, optval_addr))
2922 return -TARGET_EFAULT;
2923 ret = get_errno(setsockopt(sockfd, SOL_SOCKET, optname, &val, sizeof(val)));
2924 break;
2925 default:
2926 unimplemented:
2927 gemu_log("Unsupported setsockopt level=%d optname=%d\n", level, optname);
2928 ret = -TARGET_ENOPROTOOPT;
2929 }
2930 return ret;
2931}
2932
2933
2934static abi_long do_getsockopt(int sockfd, int level, int optname,
2935 abi_ulong optval_addr, abi_ulong optlen)
2936{
2937 abi_long ret;
2938 int len, val;
2939 socklen_t lv;
2940
2941 switch(level) {
2942 case TARGET_SOL_SOCKET:
2943 level = SOL_SOCKET;
2944 switch (optname) {
2945
2946 case TARGET_SO_LINGER:
2947 case TARGET_SO_RCVTIMEO:
2948 case TARGET_SO_SNDTIMEO:
2949 case TARGET_SO_PEERNAME:
2950 goto unimplemented;
2951 case TARGET_SO_PEERCRED: {
2952 struct ucred cr;
2953 socklen_t crlen;
2954 struct target_ucred *tcr;
2955
2956 if (get_user_u32(len, optlen)) {
2957 return -TARGET_EFAULT;
2958 }
2959 if (len < 0) {
2960 return -TARGET_EINVAL;
2961 }
2962
2963 crlen = sizeof(cr);
2964 ret = get_errno(getsockopt(sockfd, level, SO_PEERCRED,
2965 &cr, &crlen));
2966 if (ret < 0) {
2967 return ret;
2968 }
2969 if (len > crlen) {
2970 len = crlen;
2971 }
2972 if (!lock_user_struct(VERIFY_WRITE, tcr, optval_addr, 0)) {
2973 return -TARGET_EFAULT;
2974 }
2975 __put_user(cr.pid, &tcr->pid);
2976 __put_user(cr.uid, &tcr->uid);
2977 __put_user(cr.gid, &tcr->gid);
2978 unlock_user_struct(tcr, optval_addr, 1);
2979 if (put_user_u32(len, optlen)) {
2980 return -TARGET_EFAULT;
2981 }
2982 break;
2983 }
2984
2985 case TARGET_SO_DEBUG:
2986 optname = SO_DEBUG;
2987 goto int_case;
2988 case TARGET_SO_REUSEADDR:
2989 optname = SO_REUSEADDR;
2990 goto int_case;
2991 case TARGET_SO_TYPE:
2992 optname = SO_TYPE;
2993 goto int_case;
2994 case TARGET_SO_ERROR:
2995 optname = SO_ERROR;
2996 goto int_case;
2997 case TARGET_SO_DONTROUTE:
2998 optname = SO_DONTROUTE;
2999 goto int_case;
3000 case TARGET_SO_BROADCAST:
3001 optname = SO_BROADCAST;
3002 goto int_case;
3003 case TARGET_SO_SNDBUF:
3004 optname = SO_SNDBUF;
3005 goto int_case;
3006 case TARGET_SO_RCVBUF:
3007 optname = SO_RCVBUF;
3008 goto int_case;
3009 case TARGET_SO_KEEPALIVE:
3010 optname = SO_KEEPALIVE;
3011 goto int_case;
3012 case TARGET_SO_OOBINLINE:
3013 optname = SO_OOBINLINE;
3014 goto int_case;
3015 case TARGET_SO_NO_CHECK:
3016 optname = SO_NO_CHECK;
3017 goto int_case;
3018 case TARGET_SO_PRIORITY:
3019 optname = SO_PRIORITY;
3020 goto int_case;
3021#ifdef SO_BSDCOMPAT
3022 case TARGET_SO_BSDCOMPAT:
3023 optname = SO_BSDCOMPAT;
3024 goto int_case;
3025#endif
3026 case TARGET_SO_PASSCRED:
3027 optname = SO_PASSCRED;
3028 goto int_case;
3029 case TARGET_SO_TIMESTAMP:
3030 optname = SO_TIMESTAMP;
3031 goto int_case;
3032 case TARGET_SO_RCVLOWAT:
3033 optname = SO_RCVLOWAT;
3034 goto int_case;
3035 case TARGET_SO_ACCEPTCONN:
3036 optname = SO_ACCEPTCONN;
3037 goto int_case;
3038 default:
3039 goto int_case;
3040 }
3041 break;
3042 case SOL_TCP:
3043
3044 int_case:
3045 if (get_user_u32(len, optlen))
3046 return -TARGET_EFAULT;
3047 if (len < 0)
3048 return -TARGET_EINVAL;
3049 lv = sizeof(lv);
3050 ret = get_errno(getsockopt(sockfd, level, optname, &val, &lv));
3051 if (ret < 0)
3052 return ret;
3053 if (optname == SO_TYPE) {
3054 val = host_to_target_sock_type(val);
3055 }
3056 if (len > lv)
3057 len = lv;
3058 if (len == 4) {
3059 if (put_user_u32(val, optval_addr))
3060 return -TARGET_EFAULT;
3061 } else {
3062 if (put_user_u8(val, optval_addr))
3063 return -TARGET_EFAULT;
3064 }
3065 if (put_user_u32(len, optlen))
3066 return -TARGET_EFAULT;
3067 break;
3068 case SOL_IP:
3069 switch(optname) {
3070 case IP_TOS:
3071 case IP_TTL:
3072 case IP_HDRINCL:
3073 case IP_ROUTER_ALERT:
3074 case IP_RECVOPTS:
3075 case IP_RETOPTS:
3076 case IP_PKTINFO:
3077 case IP_MTU_DISCOVER:
3078 case IP_RECVERR:
3079 case IP_RECVTOS:
3080#ifdef IP_FREEBIND
3081 case IP_FREEBIND:
3082#endif
3083 case IP_MULTICAST_TTL:
3084 case IP_MULTICAST_LOOP:
3085 if (get_user_u32(len, optlen))
3086 return -TARGET_EFAULT;
3087 if (len < 0)
3088 return -TARGET_EINVAL;
3089 lv = sizeof(lv);
3090 ret = get_errno(getsockopt(sockfd, level, optname, &val, &lv));
3091 if (ret < 0)
3092 return ret;
3093 if (len < sizeof(int) && len > 0 && val >= 0 && val < 255) {
3094 len = 1;
3095 if (put_user_u32(len, optlen)
3096 || put_user_u8(val, optval_addr))
3097 return -TARGET_EFAULT;
3098 } else {
3099 if (len > sizeof(int))
3100 len = sizeof(int);
3101 if (put_user_u32(len, optlen)
3102 || put_user_u32(val, optval_addr))
3103 return -TARGET_EFAULT;
3104 }
3105 break;
3106 default:
3107 ret = -TARGET_ENOPROTOOPT;
3108 break;
3109 }
3110 break;
3111 default:
3112 unimplemented:
3113 gemu_log("getsockopt level=%d optname=%d not yet supported\n",
3114 level, optname);
3115 ret = -TARGET_EOPNOTSUPP;
3116 break;
3117 }
3118 return ret;
3119}
3120
3121static struct iovec *lock_iovec(int type, abi_ulong target_addr,
3122 int count, int copy)
3123{
3124 struct target_iovec *target_vec;
3125 struct iovec *vec;
3126 abi_ulong total_len, max_len;
3127 int i;
3128 int err = 0;
3129 bool bad_address = false;
3130
3131 if (count == 0) {
3132 errno = 0;
3133 return NULL;
3134 }
3135 if (count < 0 || count > IOV_MAX) {
3136 errno = EINVAL;
3137 return NULL;
3138 }
3139
3140 vec = g_try_new0(struct iovec, count);
3141 if (vec == NULL) {
3142 errno = ENOMEM;
3143 return NULL;
3144 }
3145
3146 target_vec = lock_user(VERIFY_READ, target_addr,
3147 count * sizeof(struct target_iovec), 1);
3148 if (target_vec == NULL) {
3149 err = EFAULT;
3150 goto fail2;
3151 }
3152
3153
3154
3155 max_len = 0x7fffffff & TARGET_PAGE_MASK;
3156 total_len = 0;
3157
3158 for (i = 0; i < count; i++) {
3159 abi_ulong base = tswapal(target_vec[i].iov_base);
3160 abi_long len = tswapal(target_vec[i].iov_len);
3161
3162 if (len < 0) {
3163 err = EINVAL;
3164 goto fail;
3165 } else if (len == 0) {
3166
3167 vec[i].iov_base = 0;
3168 } else {
3169 vec[i].iov_base = lock_user(type, base, len, copy);
3170
3171
3172
3173
3174 if (!vec[i].iov_base) {
3175 if (i == 0) {
3176 err = EFAULT;
3177 goto fail;
3178 } else {
3179 bad_address = true;
3180 }
3181 }
3182 if (bad_address) {
3183 len = 0;
3184 }
3185 if (len > max_len - total_len) {
3186 len = max_len - total_len;
3187 }
3188 }
3189 vec[i].iov_len = len;
3190 total_len += len;
3191 }
3192
3193 unlock_user(target_vec, target_addr, 0);
3194 return vec;
3195
3196 fail:
3197 while (--i >= 0) {
3198 if (tswapal(target_vec[i].iov_len) > 0) {
3199 unlock_user(vec[i].iov_base, tswapal(target_vec[i].iov_base), 0);
3200 }
3201 }
3202 unlock_user(target_vec, target_addr, 0);
3203 fail2:
3204 g_free(vec);
3205 errno = err;
3206 return NULL;
3207}
3208
3209static void unlock_iovec(struct iovec *vec, abi_ulong target_addr,
3210 int count, int copy)
3211{
3212 struct target_iovec *target_vec;
3213 int i;
3214
3215 target_vec = lock_user(VERIFY_READ, target_addr,
3216 count * sizeof(struct target_iovec), 1);
3217 if (target_vec) {
3218 for (i = 0; i < count; i++) {
3219 abi_ulong base = tswapal(target_vec[i].iov_base);
3220 abi_long len = tswapal(target_vec[i].iov_len);
3221 if (len < 0) {
3222 break;
3223 }
3224 unlock_user(vec[i].iov_base, base, copy ? vec[i].iov_len : 0);
3225 }
3226 unlock_user(target_vec, target_addr, 0);
3227 }
3228
3229 g_free(vec);
3230}
3231
3232static inline int target_to_host_sock_type(int *type)
3233{
3234 int host_type = 0;
3235 int target_type = *type;
3236
3237 switch (target_type & TARGET_SOCK_TYPE_MASK) {
3238 case TARGET_SOCK_DGRAM:
3239 host_type = SOCK_DGRAM;
3240 break;
3241 case TARGET_SOCK_STREAM:
3242 host_type = SOCK_STREAM;
3243 break;
3244 default:
3245 host_type = target_type & TARGET_SOCK_TYPE_MASK;
3246 break;
3247 }
3248 if (target_type & TARGET_SOCK_CLOEXEC) {
3249#if defined(SOCK_CLOEXEC)
3250 host_type |= SOCK_CLOEXEC;
3251#else
3252 return -TARGET_EINVAL;
3253#endif
3254 }
3255 if (target_type & TARGET_SOCK_NONBLOCK) {
3256#if defined(SOCK_NONBLOCK)
3257 host_type |= SOCK_NONBLOCK;
3258#elif !defined(O_NONBLOCK)
3259 return -TARGET_EINVAL;
3260#endif
3261 }
3262 *type = host_type;
3263 return 0;
3264}
3265
3266
3267static int sock_flags_fixup(int fd, int target_type)
3268{
3269#if !defined(SOCK_NONBLOCK) && defined(O_NONBLOCK)
3270 if (target_type & TARGET_SOCK_NONBLOCK) {
3271 int flags = fcntl(fd, F_GETFL);
3272 if (fcntl(fd, F_SETFL, O_NONBLOCK | flags) == -1) {
3273 close(fd);
3274 return -TARGET_EINVAL;
3275 }
3276 }
3277#endif
3278 return fd;
3279}
3280
3281static abi_long packet_target_to_host_sockaddr(void *host_addr,
3282 abi_ulong target_addr,
3283 socklen_t len)
3284{
3285 struct sockaddr *addr = host_addr;
3286 struct target_sockaddr *target_saddr;
3287
3288 target_saddr = lock_user(VERIFY_READ, target_addr, len, 1);
3289 if (!target_saddr) {
3290 return -TARGET_EFAULT;
3291 }
3292
3293 memcpy(addr, target_saddr, len);
3294 addr->sa_family = tswap16(target_saddr->sa_family);
3295
3296
3297 unlock_user(target_saddr, target_addr, 0);
3298 return 0;
3299}
3300
3301static TargetFdTrans target_packet_trans = {
3302 .target_to_host_addr = packet_target_to_host_sockaddr,
3303};
3304
3305#ifdef CONFIG_RTNETLINK
3306static abi_long netlink_route_target_to_host(void *buf, size_t len)
3307{
3308 abi_long ret;
3309
3310 ret = target_to_host_nlmsg_route(buf, len);
3311 if (ret < 0) {
3312 return ret;
3313 }
3314
3315 return len;
3316}
3317
3318static abi_long netlink_route_host_to_target(void *buf, size_t len)
3319{
3320 abi_long ret;
3321
3322 ret = host_to_target_nlmsg_route(buf, len);
3323 if (ret < 0) {
3324 return ret;
3325 }
3326
3327 return len;
3328}
3329
3330static TargetFdTrans target_netlink_route_trans = {
3331 .target_to_host_data = netlink_route_target_to_host,
3332 .host_to_target_data = netlink_route_host_to_target,
3333};
3334#endif
3335
3336static abi_long netlink_audit_target_to_host(void *buf, size_t len)
3337{
3338 abi_long ret;
3339
3340 ret = target_to_host_nlmsg_audit(buf, len);
3341 if (ret < 0) {
3342 return ret;
3343 }
3344
3345 return len;
3346}
3347
3348static abi_long netlink_audit_host_to_target(void *buf, size_t len)
3349{
3350 abi_long ret;
3351
3352 ret = host_to_target_nlmsg_audit(buf, len);
3353 if (ret < 0) {
3354 return ret;
3355 }
3356
3357 return len;
3358}
3359
3360static TargetFdTrans target_netlink_audit_trans = {
3361 .target_to_host_data = netlink_audit_target_to_host,
3362 .host_to_target_data = netlink_audit_host_to_target,
3363};
3364
3365
3366static abi_long do_socket(int domain, int type, int protocol)
3367{
3368 int target_type = type;
3369 int ret;
3370
3371 ret = target_to_host_sock_type(&type);
3372 if (ret) {
3373 return ret;
3374 }
3375
3376 if (domain == PF_NETLINK && !(
3377#ifdef CONFIG_RTNETLINK
3378 protocol == NETLINK_ROUTE ||
3379#endif
3380 protocol == NETLINK_KOBJECT_UEVENT ||
3381 protocol == NETLINK_AUDIT)) {
3382 return -EPFNOSUPPORT;
3383 }
3384
3385 if (domain == AF_PACKET ||
3386 (domain == AF_INET && type == SOCK_PACKET)) {
3387 protocol = tswap16(protocol);
3388 }
3389
3390 ret = get_errno(socket(domain, type, protocol));
3391 if (ret >= 0) {
3392 ret = sock_flags_fixup(ret, target_type);
3393 if (type == SOCK_PACKET) {
3394
3395
3396
3397 fd_trans_register(ret, &target_packet_trans);
3398 } else if (domain == PF_NETLINK) {
3399 switch (protocol) {
3400#ifdef CONFIG_RTNETLINK
3401 case NETLINK_ROUTE:
3402 fd_trans_register(ret, &target_netlink_route_trans);
3403 break;
3404#endif
3405 case NETLINK_KOBJECT_UEVENT:
3406
3407 break;
3408 case NETLINK_AUDIT:
3409 fd_trans_register(ret, &target_netlink_audit_trans);
3410 break;
3411 default:
3412 g_assert_not_reached();
3413 }
3414 }
3415 }
3416 return ret;
3417}
3418
3419
3420static abi_long do_bind(int sockfd, abi_ulong target_addr,
3421 socklen_t addrlen)
3422{
3423 void *addr;
3424 abi_long ret;
3425
3426 if ((int)addrlen < 0) {
3427 return -TARGET_EINVAL;
3428 }
3429
3430 addr = alloca(addrlen+1);
3431
3432 ret = target_to_host_sockaddr(sockfd, addr, target_addr, addrlen);
3433 if (ret)
3434 return ret;
3435
3436 return get_errno(bind(sockfd, addr, addrlen));
3437}
3438
3439
3440static abi_long do_connect(int sockfd, abi_ulong target_addr,
3441 socklen_t addrlen)
3442{
3443 void *addr;
3444 abi_long ret;
3445
3446 if ((int)addrlen < 0) {
3447 return -TARGET_EINVAL;
3448 }
3449
3450 addr = alloca(addrlen+1);
3451
3452 ret = target_to_host_sockaddr(sockfd, addr, target_addr, addrlen);
3453 if (ret)
3454 return ret;
3455
3456 return get_errno(safe_connect(sockfd, addr, addrlen));
3457}
3458
3459
3460static abi_long do_sendrecvmsg_locked(int fd, struct target_msghdr *msgp,
3461 int flags, int send)
3462{
3463 abi_long ret, len;
3464 struct msghdr msg;
3465 int count;
3466 struct iovec *vec;
3467 abi_ulong target_vec;
3468
3469 if (msgp->msg_name) {
3470 msg.msg_namelen = tswap32(msgp->msg_namelen);
3471 msg.msg_name = alloca(msg.msg_namelen+1);
3472 ret = target_to_host_sockaddr(fd, msg.msg_name,
3473 tswapal(msgp->msg_name),
3474 msg.msg_namelen);
3475 if (ret) {
3476 goto out2;
3477 }
3478 } else {
3479 msg.msg_name = NULL;
3480 msg.msg_namelen = 0;
3481 }
3482 msg.msg_controllen = 2 * tswapal(msgp->msg_controllen);
3483 msg.msg_control = alloca(msg.msg_controllen);
3484 msg.msg_flags = tswap32(msgp->msg_flags);
3485
3486 count = tswapal(msgp->msg_iovlen);
3487 target_vec = tswapal(msgp->msg_iov);
3488 vec = lock_iovec(send ? VERIFY_READ : VERIFY_WRITE,
3489 target_vec, count, send);
3490 if (vec == NULL) {
3491 ret = -host_to_target_errno(errno);
3492 goto out2;
3493 }
3494 msg.msg_iovlen = count;
3495 msg.msg_iov = vec;
3496
3497 if (send) {
3498 if (fd_trans_target_to_host_data(fd)) {
3499 void *host_msg;
3500
3501 host_msg = g_malloc(msg.msg_iov->iov_len);
3502 memcpy(host_msg, msg.msg_iov->iov_base, msg.msg_iov->iov_len);
3503 ret = fd_trans_target_to_host_data(fd)(host_msg,
3504 msg.msg_iov->iov_len);
3505 if (ret >= 0) {
3506 msg.msg_iov->iov_base = host_msg;
3507 ret = get_errno(safe_sendmsg(fd, &msg, flags));
3508 }
3509 g_free(host_msg);
3510 } else {
3511 ret = target_to_host_cmsg(&msg, msgp);
3512 if (ret == 0) {
3513 ret = get_errno(safe_sendmsg(fd, &msg, flags));
3514 }
3515 }
3516 } else {
3517 ret = get_errno(safe_recvmsg(fd, &msg, flags));
3518 if (!is_error(ret)) {
3519 len = ret;
3520 if (fd_trans_host_to_target_data(fd)) {
3521 ret = fd_trans_host_to_target_data(fd)(msg.msg_iov->iov_base,
3522 len);
3523 } else {
3524 ret = host_to_target_cmsg(msgp, &msg);
3525 }
3526 if (!is_error(ret)) {
3527 msgp->msg_namelen = tswap32(msg.msg_namelen);
3528 if (msg.msg_name != NULL) {
3529 ret = host_to_target_sockaddr(tswapal(msgp->msg_name),
3530 msg.msg_name, msg.msg_namelen);
3531 if (ret) {
3532 goto out;
3533 }
3534 }
3535
3536 ret = len;
3537 }
3538 }
3539 }
3540
3541out:
3542 unlock_iovec(vec, target_vec, count, !send);
3543out2:
3544 return ret;
3545}
3546
3547static abi_long do_sendrecvmsg(int fd, abi_ulong target_msg,
3548 int flags, int send)
3549{
3550 abi_long ret;
3551 struct target_msghdr *msgp;
3552
3553 if (!lock_user_struct(send ? VERIFY_READ : VERIFY_WRITE,
3554 msgp,
3555 target_msg,
3556 send ? 1 : 0)) {
3557 return -TARGET_EFAULT;
3558 }
3559 ret = do_sendrecvmsg_locked(fd, msgp, flags, send);
3560 unlock_user_struct(msgp, target_msg, send ? 0 : 1);
3561 return ret;
3562}
3563
3564
3565
3566
3567#ifndef MSG_WAITFORONE
3568#define MSG_WAITFORONE 0x10000
3569#endif
3570
3571static abi_long do_sendrecvmmsg(int fd, abi_ulong target_msgvec,
3572 unsigned int vlen, unsigned int flags,
3573 int send)
3574{
3575 struct target_mmsghdr *mmsgp;
3576 abi_long ret = 0;
3577 int i;
3578
3579 if (vlen > UIO_MAXIOV) {
3580 vlen = UIO_MAXIOV;
3581 }
3582
3583 mmsgp = lock_user(VERIFY_WRITE, target_msgvec, sizeof(*mmsgp) * vlen, 1);
3584 if (!mmsgp) {
3585 return -TARGET_EFAULT;
3586 }
3587
3588 for (i = 0; i < vlen; i++) {
3589 ret = do_sendrecvmsg_locked(fd, &mmsgp[i].msg_hdr, flags, send);
3590 if (is_error(ret)) {
3591 break;
3592 }
3593 mmsgp[i].msg_len = tswap32(ret);
3594
3595 if (flags & MSG_WAITFORONE) {
3596 flags |= MSG_DONTWAIT;
3597 }
3598 }
3599
3600 unlock_user(mmsgp, target_msgvec, sizeof(*mmsgp) * i);
3601
3602
3603
3604
3605 if (i) {
3606 return i;
3607 }
3608 return ret;
3609}
3610
3611
3612static abi_long do_accept4(int fd, abi_ulong target_addr,
3613 abi_ulong target_addrlen_addr, int flags)
3614{
3615 socklen_t addrlen;
3616 void *addr;
3617 abi_long ret;
3618 int host_flags;
3619
3620 host_flags = target_to_host_bitmask(flags, fcntl_flags_tbl);
3621
3622 if (target_addr == 0) {
3623 return get_errno(safe_accept4(fd, NULL, NULL, host_flags));
3624 }
3625
3626
3627 if (get_user_u32(addrlen, target_addrlen_addr))
3628 return -TARGET_EINVAL;
3629
3630 if ((int)addrlen < 0) {
3631 return -TARGET_EINVAL;
3632 }
3633
3634 if (!access_ok(VERIFY_WRITE, target_addr, addrlen))
3635 return -TARGET_EINVAL;
3636
3637 addr = alloca(addrlen);
3638
3639 ret = get_errno(safe_accept4(fd, addr, &addrlen, host_flags));
3640 if (!is_error(ret)) {
3641 host_to_target_sockaddr(target_addr, addr, addrlen);
3642 if (put_user_u32(addrlen, target_addrlen_addr))
3643 ret = -TARGET_EFAULT;
3644 }
3645 return ret;
3646}
3647
3648
3649static abi_long do_getpeername(int fd, abi_ulong target_addr,
3650 abi_ulong target_addrlen_addr)
3651{
3652 socklen_t addrlen;
3653 void *addr;
3654 abi_long ret;
3655
3656 if (get_user_u32(addrlen, target_addrlen_addr))
3657 return -TARGET_EFAULT;
3658
3659 if ((int)addrlen < 0) {
3660 return -TARGET_EINVAL;
3661 }
3662
3663 if (!access_ok(VERIFY_WRITE, target_addr, addrlen))
3664 return -TARGET_EFAULT;
3665
3666 addr = alloca(addrlen);
3667
3668 ret = get_errno(getpeername(fd, addr, &addrlen));
3669 if (!is_error(ret)) {
3670 host_to_target_sockaddr(target_addr, addr, addrlen);
3671 if (put_user_u32(addrlen, target_addrlen_addr))
3672 ret = -TARGET_EFAULT;
3673 }
3674 return ret;
3675}
3676
3677
3678static abi_long do_getsockname(int fd, abi_ulong target_addr,
3679 abi_ulong target_addrlen_addr)
3680{
3681 socklen_t addrlen;
3682 void *addr;
3683 abi_long ret;
3684
3685 if (get_user_u32(addrlen, target_addrlen_addr))
3686 return -TARGET_EFAULT;
3687
3688 if ((int)addrlen < 0) {
3689 return -TARGET_EINVAL;
3690 }
3691
3692 if (!access_ok(VERIFY_WRITE, target_addr, addrlen))
3693 return -TARGET_EFAULT;
3694
3695 addr = alloca(addrlen);
3696
3697 ret = get_errno(getsockname(fd, addr, &addrlen));
3698 if (!is_error(ret)) {
3699 host_to_target_sockaddr(target_addr, addr, addrlen);
3700 if (put_user_u32(addrlen, target_addrlen_addr))
3701 ret = -TARGET_EFAULT;
3702 }
3703 return ret;
3704}
3705
3706
3707static abi_long do_socketpair(int domain, int type, int protocol,
3708 abi_ulong target_tab_addr)
3709{
3710 int tab[2];
3711 abi_long ret;
3712
3713 target_to_host_sock_type(&type);
3714
3715 ret = get_errno(socketpair(domain, type, protocol, tab));
3716 if (!is_error(ret)) {
3717 if (put_user_s32(tab[0], target_tab_addr)
3718 || put_user_s32(tab[1], target_tab_addr + sizeof(tab[0])))
3719 ret = -TARGET_EFAULT;
3720 }
3721 return ret;
3722}
3723
3724
3725static abi_long do_sendto(int fd, abi_ulong msg, size_t len, int flags,
3726 abi_ulong target_addr, socklen_t addrlen)
3727{
3728 void *addr;
3729 void *host_msg;
3730 void *copy_msg = NULL;
3731 abi_long ret;
3732
3733 if ((int)addrlen < 0) {
3734 return -TARGET_EINVAL;
3735 }
3736
3737 host_msg = lock_user(VERIFY_READ, msg, len, 1);
3738 if (!host_msg)
3739 return -TARGET_EFAULT;
3740 if (fd_trans_target_to_host_data(fd)) {
3741 copy_msg = host_msg;
3742 host_msg = g_malloc(len);
3743 memcpy(host_msg, copy_msg, len);
3744 ret = fd_trans_target_to_host_data(fd)(host_msg, len);
3745 if (ret < 0) {
3746 goto fail;
3747 }
3748 }
3749 if (target_addr) {
3750 addr = alloca(addrlen+1);
3751 ret = target_to_host_sockaddr(fd, addr, target_addr, addrlen);
3752 if (ret) {
3753 goto fail;
3754 }
3755 ret = get_errno(safe_sendto(fd, host_msg, len, flags, addr, addrlen));
3756 } else {
3757 ret = get_errno(safe_sendto(fd, host_msg, len, flags, NULL, 0));
3758 }
3759fail:
3760 if (copy_msg) {
3761 g_free(host_msg);
3762 host_msg = copy_msg;
3763 }
3764 unlock_user(host_msg, msg, 0);
3765 return ret;
3766}
3767
3768
3769static abi_long do_recvfrom(int fd, abi_ulong msg, size_t len, int flags,
3770 abi_ulong target_addr,
3771 abi_ulong target_addrlen)
3772{
3773 socklen_t addrlen;
3774 void *addr;
3775 void *host_msg;
3776 abi_long ret;
3777
3778 host_msg = lock_user(VERIFY_WRITE, msg, len, 0);
3779 if (!host_msg)
3780 return -TARGET_EFAULT;
3781 if (target_addr) {
3782 if (get_user_u32(addrlen, target_addrlen)) {
3783 ret = -TARGET_EFAULT;
3784 goto fail;
3785 }
3786 if ((int)addrlen < 0) {
3787 ret = -TARGET_EINVAL;
3788 goto fail;
3789 }
3790 addr = alloca(addrlen);
3791 ret = get_errno(safe_recvfrom(fd, host_msg, len, flags,
3792 addr, &addrlen));
3793 } else {
3794 addr = NULL;
3795 ret = get_errno(safe_recvfrom(fd, host_msg, len, flags, NULL, 0));
3796 }
3797 if (!is_error(ret)) {
3798 if (fd_trans_host_to_target_data(fd)) {
3799 ret = fd_trans_host_to_target_data(fd)(host_msg, ret);
3800 }
3801 if (target_addr) {
3802 host_to_target_sockaddr(target_addr, addr, addrlen);
3803 if (put_user_u32(addrlen, target_addrlen)) {
3804 ret = -TARGET_EFAULT;
3805 goto fail;
3806 }
3807 }
3808 unlock_user(host_msg, msg, len);
3809 } else {
3810fail:
3811 unlock_user(host_msg, msg, 0);
3812 }
3813 return ret;
3814}
3815
3816#ifdef TARGET_NR_socketcall
3817
3818static abi_long do_socketcall(int num, abi_ulong vptr)
3819{
3820 static const unsigned ac[] = {
3821 [SOCKOP_socket] = 3,
3822 [SOCKOP_bind] = 3,
3823 [SOCKOP_connect] = 3,
3824 [SOCKOP_listen] = 2,
3825 [SOCKOP_accept] = 3,
3826 [SOCKOP_accept4] = 4,
3827 [SOCKOP_getsockname] = 3,
3828 [SOCKOP_getpeername] = 3,
3829 [SOCKOP_socketpair] = 4,
3830 [SOCKOP_send] = 4,
3831 [SOCKOP_recv] = 4,
3832 [SOCKOP_sendto] = 6,
3833 [SOCKOP_recvfrom] = 6,
3834 [SOCKOP_shutdown] = 2,
3835 [SOCKOP_sendmsg] = 3,
3836 [SOCKOP_recvmsg] = 3,
3837 [SOCKOP_sendmmsg] = 4,
3838 [SOCKOP_recvmmsg] = 4,
3839 [SOCKOP_setsockopt] = 5,
3840 [SOCKOP_getsockopt] = 5,
3841 };
3842 abi_long a[6];
3843
3844
3845 if (num >= 0 && num < ARRAY_SIZE(ac)) {
3846 unsigned i;
3847 assert(ARRAY_SIZE(a) >= ac[num]);
3848 for (i = 0; i < ac[num]; ++i) {
3849 if (get_user_ual(a[i], vptr + i * sizeof(abi_long)) != 0) {
3850 return -TARGET_EFAULT;
3851 }
3852 }
3853 }
3854
3855
3856 switch (num) {
3857 case SOCKOP_socket:
3858 return do_socket(a[0], a[1], a[2]);
3859 case SOCKOP_bind:
3860 return do_bind(a[0], a[1], a[2]);
3861 case SOCKOP_connect:
3862 return do_connect(a[0], a[1], a[2]);
3863 case SOCKOP_listen:
3864 return get_errno(listen(a[0], a[1]));
3865 case SOCKOP_accept:
3866 return do_accept4(a[0], a[1], a[2], 0);
3867 case SOCKOP_accept4:
3868 return do_accept4(a[0], a[1], a[2], a[3]);
3869 case SOCKOP_getsockname:
3870 return do_getsockname(a[0], a[1], a[2]);
3871 case SOCKOP_getpeername:
3872 return do_getpeername(a[0], a[1], a[2]);
3873 case SOCKOP_socketpair:
3874 return do_socketpair(a[0], a[1], a[2], a[3]);
3875 case SOCKOP_send:
3876 return do_sendto(a[0], a[1], a[2], a[3], 0, 0);
3877 case SOCKOP_recv:
3878 return do_recvfrom(a[0], a[1], a[2], a[3], 0, 0);
3879 case SOCKOP_sendto:
3880 return do_sendto(a[0], a[1], a[2], a[3], a[4], a[5]);
3881 case SOCKOP_recvfrom:
3882 return do_recvfrom(a[0], a[1], a[2], a[3], a[4], a[5]);
3883 case SOCKOP_shutdown:
3884 return get_errno(shutdown(a[0], a[1]));
3885 case SOCKOP_sendmsg:
3886 return do_sendrecvmsg(a[0], a[1], a[2], 1);
3887 case SOCKOP_recvmsg:
3888 return do_sendrecvmsg(a[0], a[1], a[2], 0);
3889 case SOCKOP_sendmmsg:
3890 return do_sendrecvmmsg(a[0], a[1], a[2], a[3], 1);
3891 case SOCKOP_recvmmsg:
3892 return do_sendrecvmmsg(a[0], a[1], a[2], a[3], 0);
3893 case SOCKOP_setsockopt:
3894 return do_setsockopt(a[0], a[1], a[2], a[3], a[4]);
3895 case SOCKOP_getsockopt:
3896 return do_getsockopt(a[0], a[1], a[2], a[3], a[4]);
3897 default:
3898 gemu_log("Unsupported socketcall: %d\n", num);
3899 return -TARGET_ENOSYS;
3900 }
3901}
3902#endif
3903
3904#define N_SHM_REGIONS 32
3905
3906static struct shm_region {
3907 abi_ulong start;
3908 abi_ulong size;
3909 bool in_use;
3910} shm_regions[N_SHM_REGIONS];
3911
3912#ifndef TARGET_SEMID64_DS
3913
3914struct target_semid64_ds
3915{
3916 struct target_ipc_perm sem_perm;
3917 abi_ulong sem_otime;
3918#if TARGET_ABI_BITS == 32
3919 abi_ulong __unused1;
3920#endif
3921 abi_ulong sem_ctime;
3922#if TARGET_ABI_BITS == 32
3923 abi_ulong __unused2;
3924#endif
3925 abi_ulong sem_nsems;
3926 abi_ulong __unused3;
3927 abi_ulong __unused4;
3928};
3929#endif
3930
3931static inline abi_long target_to_host_ipc_perm(struct ipc_perm *host_ip,
3932 abi_ulong target_addr)
3933{
3934 struct target_ipc_perm *target_ip;
3935 struct target_semid64_ds *target_sd;
3936
3937 if (!lock_user_struct(VERIFY_READ, target_sd, target_addr, 1))
3938 return -TARGET_EFAULT;
3939 target_ip = &(target_sd->sem_perm);
3940 host_ip->__key = tswap32(target_ip->__key);
3941 host_ip->uid = tswap32(target_ip->uid);
3942 host_ip->gid = tswap32(target_ip->gid);
3943 host_ip->cuid = tswap32(target_ip->cuid);
3944 host_ip->cgid = tswap32(target_ip->cgid);
3945#if defined(TARGET_ALPHA) || defined(TARGET_MIPS) || defined(TARGET_PPC)
3946 host_ip->mode = tswap32(target_ip->mode);
3947#else
3948 host_ip->mode = tswap16(target_ip->mode);
3949#endif
3950#if defined(TARGET_PPC)
3951 host_ip->__seq = tswap32(target_ip->__seq);
3952#else
3953 host_ip->__seq = tswap16(target_ip->__seq);
3954#endif
3955 unlock_user_struct(target_sd, target_addr, 0);
3956 return 0;
3957}
3958
3959static inline abi_long host_to_target_ipc_perm(abi_ulong target_addr,
3960 struct ipc_perm *host_ip)
3961{
3962 struct target_ipc_perm *target_ip;
3963 struct target_semid64_ds *target_sd;
3964
3965 if (!lock_user_struct(VERIFY_WRITE, target_sd, target_addr, 0))
3966 return -TARGET_EFAULT;
3967 target_ip = &(target_sd->sem_perm);
3968 target_ip->__key = tswap32(host_ip->__key);
3969 target_ip->uid = tswap32(host_ip->uid);
3970 target_ip->gid = tswap32(host_ip->gid);
3971 target_ip->cuid = tswap32(host_ip->cuid);
3972 target_ip->cgid = tswap32(host_ip->cgid);
3973#if defined(TARGET_ALPHA) || defined(TARGET_MIPS) || defined(TARGET_PPC)
3974 target_ip->mode = tswap32(host_ip->mode);
3975#else
3976 target_ip->mode = tswap16(host_ip->mode);
3977#endif
3978#if defined(TARGET_PPC)
3979 target_ip->__seq = tswap32(host_ip->__seq);
3980#else
3981 target_ip->__seq = tswap16(host_ip->__seq);
3982#endif
3983 unlock_user_struct(target_sd, target_addr, 1);
3984 return 0;
3985}
3986
3987static inline abi_long target_to_host_semid_ds(struct semid_ds *host_sd,
3988 abi_ulong target_addr)
3989{
3990 struct target_semid64_ds *target_sd;
3991
3992 if (!lock_user_struct(VERIFY_READ, target_sd, target_addr, 1))
3993 return -TARGET_EFAULT;
3994 if (target_to_host_ipc_perm(&(host_sd->sem_perm),target_addr))
3995 return -TARGET_EFAULT;
3996 host_sd->sem_nsems = tswapal(target_sd->sem_nsems);
3997 host_sd->sem_otime = tswapal(target_sd->sem_otime);
3998 host_sd->sem_ctime = tswapal(target_sd->sem_ctime);
3999 unlock_user_struct(target_sd, target_addr, 0);
4000 return 0;
4001}
4002
4003static inline abi_long host_to_target_semid_ds(abi_ulong target_addr,
4004 struct semid_ds *host_sd)
4005{
4006 struct target_semid64_ds *target_sd;
4007
4008 if (!lock_user_struct(VERIFY_WRITE, target_sd, target_addr, 0))
4009 return -TARGET_EFAULT;
4010 if (host_to_target_ipc_perm(target_addr,&(host_sd->sem_perm)))
4011 return -TARGET_EFAULT;
4012 target_sd->sem_nsems = tswapal(host_sd->sem_nsems);
4013 target_sd->sem_otime = tswapal(host_sd->sem_otime);
4014 target_sd->sem_ctime = tswapal(host_sd->sem_ctime);
4015 unlock_user_struct(target_sd, target_addr, 1);
4016 return 0;
4017}
4018
4019struct target_seminfo {
4020 int semmap;
4021 int semmni;
4022 int semmns;
4023 int semmnu;
4024 int semmsl;
4025 int semopm;
4026 int semume;
4027 int semusz;
4028 int semvmx;
4029 int semaem;
4030};
4031
4032static inline abi_long host_to_target_seminfo(abi_ulong target_addr,
4033 struct seminfo *host_seminfo)
4034{
4035 struct target_seminfo *target_seminfo;
4036 if (!lock_user_struct(VERIFY_WRITE, target_seminfo, target_addr, 0))
4037 return -TARGET_EFAULT;
4038 __put_user(host_seminfo->semmap, &target_seminfo->semmap);
4039 __put_user(host_seminfo->semmni, &target_seminfo->semmni);
4040 __put_user(host_seminfo->semmns, &target_seminfo->semmns);
4041 __put_user(host_seminfo->semmnu, &target_seminfo->semmnu);
4042 __put_user(host_seminfo->semmsl, &target_seminfo->semmsl);
4043 __put_user(host_seminfo->semopm, &target_seminfo->semopm);
4044 __put_user(host_seminfo->semume, &target_seminfo->semume);
4045 __put_user(host_seminfo->semusz, &target_seminfo->semusz);
4046 __put_user(host_seminfo->semvmx, &target_seminfo->semvmx);
4047 __put_user(host_seminfo->semaem, &target_seminfo->semaem);
4048 unlock_user_struct(target_seminfo, target_addr, 1);
4049 return 0;
4050}
4051
4052union semun {
4053 int val;
4054 struct semid_ds *buf;
4055 unsigned short *array;
4056 struct seminfo *__buf;
4057};
4058
4059union target_semun {
4060 int val;
4061 abi_ulong buf;
4062 abi_ulong array;
4063 abi_ulong __buf;
4064};
4065
4066static inline abi_long target_to_host_semarray(int semid, unsigned short **host_array,
4067 abi_ulong target_addr)
4068{
4069 int nsems;
4070 unsigned short *array;
4071 union semun semun;
4072 struct semid_ds semid_ds;
4073 int i, ret;
4074
4075 semun.buf = &semid_ds;
4076
4077 ret = semctl(semid, 0, IPC_STAT, semun);
4078 if (ret == -1)
4079 return get_errno(ret);
4080
4081 nsems = semid_ds.sem_nsems;
4082
4083 *host_array = g_try_new(unsigned short, nsems);
4084 if (!*host_array) {
4085 return -TARGET_ENOMEM;
4086 }
4087 array = lock_user(VERIFY_READ, target_addr,
4088 nsems*sizeof(unsigned short), 1);
4089 if (!array) {
4090 g_free(*host_array);
4091 return -TARGET_EFAULT;
4092 }
4093
4094 for(i=0; i<nsems; i++) {
4095 __get_user((*host_array)[i], &array[i]);
4096 }
4097 unlock_user(array, target_addr, 0);
4098
4099 return 0;
4100}
4101
4102static inline abi_long host_to_target_semarray(int semid, abi_ulong target_addr,
4103 unsigned short **host_array)
4104{
4105 int nsems;
4106 unsigned short *array;
4107 union semun semun;
4108 struct semid_ds semid_ds;
4109 int i, ret;
4110
4111 semun.buf = &semid_ds;
4112
4113 ret = semctl(semid, 0, IPC_STAT, semun);
4114 if (ret == -1)
4115 return get_errno(ret);
4116
4117 nsems = semid_ds.sem_nsems;
4118
4119 array = lock_user(VERIFY_WRITE, target_addr,
4120 nsems*sizeof(unsigned short), 0);
4121 if (!array)
4122 return -TARGET_EFAULT;
4123
4124 for(i=0; i<nsems; i++) {
4125 __put_user((*host_array)[i], &array[i]);
4126 }
4127 g_free(*host_array);
4128 unlock_user(array, target_addr, 1);
4129
4130 return 0;
4131}
4132
4133static inline abi_long do_semctl(int semid, int semnum, int cmd,
4134 abi_ulong target_arg)
4135{
4136 union target_semun target_su = { .buf = target_arg };
4137 union semun arg;
4138 struct semid_ds dsarg;
4139 unsigned short *array = NULL;
4140 struct seminfo seminfo;
4141 abi_long ret = -TARGET_EINVAL;
4142 abi_long err;
4143 cmd &= 0xff;
4144
4145 switch( cmd ) {
4146 case GETVAL:
4147 case SETVAL:
4148
4149
4150
4151
4152
4153 if (sizeof(target_su.val) != (sizeof(target_su.buf))) {
4154 target_su.buf = tswapal(target_su.buf);
4155 arg.val = tswap32(target_su.val);
4156 } else {
4157 arg.val = target_su.val;
4158 }
4159 ret = get_errno(semctl(semid, semnum, cmd, arg));
4160 break;
4161 case GETALL:
4162 case SETALL:
4163 err = target_to_host_semarray(semid, &array, target_su.array);
4164 if (err)
4165 return err;
4166 arg.array = array;
4167 ret = get_errno(semctl(semid, semnum, cmd, arg));
4168 err = host_to_target_semarray(semid, target_su.array, &array);
4169 if (err)
4170 return err;
4171 break;
4172 case IPC_STAT:
4173 case IPC_SET:
4174 case SEM_STAT:
4175 err = target_to_host_semid_ds(&dsarg, target_su.buf);
4176 if (err)
4177 return err;
4178 arg.buf = &dsarg;
4179 ret = get_errno(semctl(semid, semnum, cmd, arg));
4180 err = host_to_target_semid_ds(target_su.buf, &dsarg);
4181 if (err)
4182 return err;
4183 break;
4184 case IPC_INFO:
4185 case SEM_INFO:
4186 arg.__buf = &seminfo;
4187 ret = get_errno(semctl(semid, semnum, cmd, arg));
4188 err = host_to_target_seminfo(target_su.__buf, &seminfo);
4189 if (err)
4190 return err;
4191 break;
4192 case IPC_RMID:
4193 case GETPID:
4194 case GETNCNT:
4195 case GETZCNT:
4196 ret = get_errno(semctl(semid, semnum, cmd, NULL));
4197 break;
4198 }
4199
4200 return ret;
4201}
4202
4203struct target_sembuf {
4204 unsigned short sem_num;
4205 short sem_op;
4206 short sem_flg;
4207};
4208
4209static inline abi_long target_to_host_sembuf(struct sembuf *host_sembuf,
4210 abi_ulong target_addr,
4211 unsigned nsops)
4212{
4213 struct target_sembuf *target_sembuf;
4214 int i;
4215
4216 target_sembuf = lock_user(VERIFY_READ, target_addr,
4217 nsops*sizeof(struct target_sembuf), 1);
4218 if (!target_sembuf)
4219 return -TARGET_EFAULT;
4220
4221 for(i=0; i<nsops; i++) {
4222 __get_user(host_sembuf[i].sem_num, &target_sembuf[i].sem_num);
4223 __get_user(host_sembuf[i].sem_op, &target_sembuf[i].sem_op);
4224 __get_user(host_sembuf[i].sem_flg, &target_sembuf[i].sem_flg);
4225 }
4226
4227 unlock_user(target_sembuf, target_addr, 0);
4228
4229 return 0;
4230}
4231
4232static inline abi_long do_semop(int semid, abi_long ptr, unsigned nsops)
4233{
4234 struct sembuf sops[nsops];
4235
4236 if (target_to_host_sembuf(sops, ptr, nsops))
4237 return -TARGET_EFAULT;
4238
4239 return get_errno(safe_semtimedop(semid, sops, nsops, NULL));
4240}
4241
4242struct target_msqid_ds
4243{
4244 struct target_ipc_perm msg_perm;
4245 abi_ulong msg_stime;
4246#if TARGET_ABI_BITS == 32
4247 abi_ulong __unused1;
4248#endif
4249 abi_ulong msg_rtime;
4250#if TARGET_ABI_BITS == 32
4251 abi_ulong __unused2;
4252#endif
4253 abi_ulong msg_ctime;
4254#if TARGET_ABI_BITS == 32
4255 abi_ulong __unused3;
4256#endif
4257 abi_ulong __msg_cbytes;
4258 abi_ulong msg_qnum;
4259 abi_ulong msg_qbytes;
4260 abi_ulong msg_lspid;
4261 abi_ulong msg_lrpid;
4262 abi_ulong __unused4;
4263 abi_ulong __unused5;
4264};
4265
4266static inline abi_long target_to_host_msqid_ds(struct msqid_ds *host_md,
4267 abi_ulong target_addr)
4268{
4269 struct target_msqid_ds *target_md;
4270
4271 if (!lock_user_struct(VERIFY_READ, target_md, target_addr, 1))
4272 return -TARGET_EFAULT;
4273 if (target_to_host_ipc_perm(&(host_md->msg_perm),target_addr))
4274 return -TARGET_EFAULT;
4275 host_md->msg_stime = tswapal(target_md->msg_stime);
4276 host_md->msg_rtime = tswapal(target_md->msg_rtime);
4277 host_md->msg_ctime = tswapal(target_md->msg_ctime);
4278 host_md->__msg_cbytes = tswapal(target_md->__msg_cbytes);
4279 host_md->msg_qnum = tswapal(target_md->msg_qnum);
4280 host_md->msg_qbytes = tswapal(target_md->msg_qbytes);
4281 host_md->msg_lspid = tswapal(target_md->msg_lspid);
4282 host_md->msg_lrpid = tswapal(target_md->msg_lrpid);
4283 unlock_user_struct(target_md, target_addr, 0);
4284 return 0;
4285}
4286
4287static inline abi_long host_to_target_msqid_ds(abi_ulong target_addr,
4288 struct msqid_ds *host_md)
4289{
4290 struct target_msqid_ds *target_md;
4291
4292 if (!lock_user_struct(VERIFY_WRITE, target_md, target_addr, 0))
4293 return -TARGET_EFAULT;
4294 if (host_to_target_ipc_perm(target_addr,&(host_md->msg_perm)))
4295 return -TARGET_EFAULT;
4296 target_md->msg_stime = tswapal(host_md->msg_stime);
4297 target_md->msg_rtime = tswapal(host_md->msg_rtime);
4298 target_md->msg_ctime = tswapal(host_md->msg_ctime);
4299 target_md->__msg_cbytes = tswapal(host_md->__msg_cbytes);
4300 target_md->msg_qnum = tswapal(host_md->msg_qnum);
4301 target_md->msg_qbytes = tswapal(host_md->msg_qbytes);
4302 target_md->msg_lspid = tswapal(host_md->msg_lspid);
4303 target_md->msg_lrpid = tswapal(host_md->msg_lrpid);
4304 unlock_user_struct(target_md, target_addr, 1);
4305 return 0;
4306}
4307
4308struct target_msginfo {
4309 int msgpool;
4310 int msgmap;
4311 int msgmax;
4312 int msgmnb;
4313 int msgmni;
4314 int msgssz;
4315 int msgtql;
4316 unsigned short int msgseg;
4317};
4318
4319static inline abi_long host_to_target_msginfo(abi_ulong target_addr,
4320 struct msginfo *host_msginfo)
4321{
4322 struct target_msginfo *target_msginfo;
4323 if (!lock_user_struct(VERIFY_WRITE, target_msginfo, target_addr, 0))
4324 return -TARGET_EFAULT;
4325 __put_user(host_msginfo->msgpool, &target_msginfo->msgpool);
4326 __put_user(host_msginfo->msgmap, &target_msginfo->msgmap);
4327 __put_user(host_msginfo->msgmax, &target_msginfo->msgmax);
4328 __put_user(host_msginfo->msgmnb, &target_msginfo->msgmnb);
4329 __put_user(host_msginfo->msgmni, &target_msginfo->msgmni);
4330 __put_user(host_msginfo->msgssz, &target_msginfo->msgssz);
4331 __put_user(host_msginfo->msgtql, &target_msginfo->msgtql);
4332 __put_user(host_msginfo->msgseg, &target_msginfo->msgseg);
4333 unlock_user_struct(target_msginfo, target_addr, 1);
4334 return 0;
4335}
4336
4337static inline abi_long do_msgctl(int msgid, int cmd, abi_long ptr)
4338{
4339 struct msqid_ds dsarg;
4340 struct msginfo msginfo;
4341 abi_long ret = -TARGET_EINVAL;
4342
4343 cmd &= 0xff;
4344
4345 switch (cmd) {
4346 case IPC_STAT:
4347 case IPC_SET:
4348 case MSG_STAT:
4349 if (target_to_host_msqid_ds(&dsarg,ptr))
4350 return -TARGET_EFAULT;
4351 ret = get_errno(msgctl(msgid, cmd, &dsarg));
4352 if (host_to_target_msqid_ds(ptr,&dsarg))
4353 return -TARGET_EFAULT;
4354 break;
4355 case IPC_RMID:
4356 ret = get_errno(msgctl(msgid, cmd, NULL));
4357 break;
4358 case IPC_INFO:
4359 case MSG_INFO:
4360 ret = get_errno(msgctl(msgid, cmd, (struct msqid_ds *)&msginfo));
4361 if (host_to_target_msginfo(ptr, &msginfo))
4362 return -TARGET_EFAULT;
4363 break;
4364 }
4365
4366 return ret;
4367}
4368
4369struct target_msgbuf {
4370 abi_long mtype;
4371 char mtext[1];
4372};
4373
4374static inline abi_long do_msgsnd(int msqid, abi_long msgp,
4375 ssize_t msgsz, int msgflg)
4376{
4377 struct target_msgbuf *target_mb;
4378 struct msgbuf *host_mb;
4379 abi_long ret = 0;
4380
4381 if (msgsz < 0) {
4382 return -TARGET_EINVAL;
4383 }
4384
4385 if (!lock_user_struct(VERIFY_READ, target_mb, msgp, 0))
4386 return -TARGET_EFAULT;
4387 host_mb = g_try_malloc(msgsz + sizeof(long));
4388 if (!host_mb) {
4389 unlock_user_struct(target_mb, msgp, 0);
4390 return -TARGET_ENOMEM;
4391 }
4392 host_mb->mtype = (abi_long) tswapal(target_mb->mtype);
4393 memcpy(host_mb->mtext, target_mb->mtext, msgsz);
4394 ret = get_errno(safe_msgsnd(msqid, host_mb, msgsz, msgflg));
4395 g_free(host_mb);
4396 unlock_user_struct(target_mb, msgp, 0);
4397
4398 return ret;
4399}
4400
4401static inline abi_long do_msgrcv(int msqid, abi_long msgp,
4402 ssize_t msgsz, abi_long msgtyp,
4403 int msgflg)
4404{
4405 struct target_msgbuf *target_mb;
4406 char *target_mtext;
4407 struct msgbuf *host_mb;
4408 abi_long ret = 0;
4409
4410 if (msgsz < 0) {
4411 return -TARGET_EINVAL;
4412 }
4413
4414 if (!lock_user_struct(VERIFY_WRITE, target_mb, msgp, 0))
4415 return -TARGET_EFAULT;
4416
4417 host_mb = g_try_malloc(msgsz + sizeof(long));
4418 if (!host_mb) {
4419 ret = -TARGET_ENOMEM;
4420 goto end;
4421 }
4422 ret = get_errno(safe_msgrcv(msqid, host_mb, msgsz, msgtyp, msgflg));
4423
4424 if (ret > 0) {
4425 abi_ulong target_mtext_addr = msgp + sizeof(abi_ulong);
4426 target_mtext = lock_user(VERIFY_WRITE, target_mtext_addr, ret, 0);
4427 if (!target_mtext) {
4428 ret = -TARGET_EFAULT;
4429 goto end;
4430 }
4431 memcpy(target_mb->mtext, host_mb->mtext, ret);
4432 unlock_user(target_mtext, target_mtext_addr, ret);
4433 }
4434
4435 target_mb->mtype = tswapal(host_mb->mtype);
4436
4437end:
4438 if (target_mb)
4439 unlock_user_struct(target_mb, msgp, 1);
4440 g_free(host_mb);
4441 return ret;
4442}
4443
4444static inline abi_long target_to_host_shmid_ds(struct shmid_ds *host_sd,
4445 abi_ulong target_addr)
4446{
4447 struct target_shmid_ds *target_sd;
4448
4449 if (!lock_user_struct(VERIFY_READ, target_sd, target_addr, 1))
4450 return -TARGET_EFAULT;
4451 if (target_to_host_ipc_perm(&(host_sd->shm_perm), target_addr))
4452 return -TARGET_EFAULT;
4453 __get_user(host_sd->shm_segsz, &target_sd->shm_segsz);
4454 __get_user(host_sd->shm_atime, &target_sd->shm_atime);
4455 __get_user(host_sd->shm_dtime, &target_sd->shm_dtime);
4456 __get_user(host_sd->shm_ctime, &target_sd->shm_ctime);
4457 __get_user(host_sd->shm_cpid, &target_sd->shm_cpid);
4458 __get_user(host_sd->shm_lpid, &target_sd->shm_lpid);
4459 __get_user(host_sd->shm_nattch, &target_sd->shm_nattch);
4460 unlock_user_struct(target_sd, target_addr, 0);
4461 return 0;
4462}
4463
4464static inline abi_long host_to_target_shmid_ds(abi_ulong target_addr,
4465 struct shmid_ds *host_sd)
4466{
4467 struct target_shmid_ds *target_sd;
4468
4469 if (!lock_user_struct(VERIFY_WRITE, target_sd, target_addr, 0))
4470 return -TARGET_EFAULT;
4471 if (host_to_target_ipc_perm(target_addr, &(host_sd->shm_perm)))
4472 return -TARGET_EFAULT;
4473 __put_user(host_sd->shm_segsz, &target_sd->shm_segsz);
4474 __put_user(host_sd->shm_atime, &target_sd->shm_atime);
4475 __put_user(host_sd->shm_dtime, &target_sd->shm_dtime);
4476 __put_user(host_sd->shm_ctime, &target_sd->shm_ctime);
4477 __put_user(host_sd->shm_cpid, &target_sd->shm_cpid);
4478 __put_user(host_sd->shm_lpid, &target_sd->shm_lpid);
4479 __put_user(host_sd->shm_nattch, &target_sd->shm_nattch);
4480 unlock_user_struct(target_sd, target_addr, 1);
4481 return 0;
4482}
4483
4484struct target_shminfo {
4485 abi_ulong shmmax;
4486 abi_ulong shmmin;
4487 abi_ulong shmmni;
4488 abi_ulong shmseg;
4489 abi_ulong shmall;
4490};
4491
4492static inline abi_long host_to_target_shminfo(abi_ulong target_addr,
4493 struct shminfo *host_shminfo)
4494{
4495 struct target_shminfo *target_shminfo;
4496 if (!lock_user_struct(VERIFY_WRITE, target_shminfo, target_addr, 0))
4497 return -TARGET_EFAULT;
4498 __put_user(host_shminfo->shmmax, &target_shminfo->shmmax);
4499 __put_user(host_shminfo->shmmin, &target_shminfo->shmmin);
4500 __put_user(host_shminfo->shmmni, &target_shminfo->shmmni);
4501 __put_user(host_shminfo->shmseg, &target_shminfo->shmseg);
4502 __put_user(host_shminfo->shmall, &target_shminfo->shmall);
4503 unlock_user_struct(target_shminfo, target_addr, 1);
4504 return 0;
4505}
4506
4507struct target_shm_info {
4508 int used_ids;
4509 abi_ulong shm_tot;
4510 abi_ulong shm_rss;
4511 abi_ulong shm_swp;
4512 abi_ulong swap_attempts;
4513 abi_ulong swap_successes;
4514};
4515
4516static inline abi_long host_to_target_shm_info(abi_ulong target_addr,
4517 struct shm_info *host_shm_info)
4518{
4519 struct target_shm_info *target_shm_info;
4520 if (!lock_user_struct(VERIFY_WRITE, target_shm_info, target_addr, 0))
4521 return -TARGET_EFAULT;
4522 __put_user(host_shm_info->used_ids, &target_shm_info->used_ids);
4523 __put_user(host_shm_info->shm_tot, &target_shm_info->shm_tot);
4524 __put_user(host_shm_info->shm_rss, &target_shm_info->shm_rss);
4525 __put_user(host_shm_info->shm_swp, &target_shm_info->shm_swp);
4526 __put_user(host_shm_info->swap_attempts, &target_shm_info->swap_attempts);
4527 __put_user(host_shm_info->swap_successes, &target_shm_info->swap_successes);
4528 unlock_user_struct(target_shm_info, target_addr, 1);
4529 return 0;
4530}
4531
4532static inline abi_long do_shmctl(int shmid, int cmd, abi_long buf)
4533{
4534 struct shmid_ds dsarg;
4535 struct shminfo shminfo;
4536 struct shm_info shm_info;
4537 abi_long ret = -TARGET_EINVAL;
4538
4539 cmd &= 0xff;
4540
4541 switch(cmd) {
4542 case IPC_STAT:
4543 case IPC_SET:
4544 case SHM_STAT:
4545 if (target_to_host_shmid_ds(&dsarg, buf))
4546 return -TARGET_EFAULT;
4547 ret = get_errno(shmctl(shmid, cmd, &dsarg));
4548 if (host_to_target_shmid_ds(buf, &dsarg))
4549 return -TARGET_EFAULT;
4550 break;
4551 case IPC_INFO:
4552 ret = get_errno(shmctl(shmid, cmd, (struct shmid_ds *)&shminfo));
4553 if (host_to_target_shminfo(buf, &shminfo))
4554 return -TARGET_EFAULT;
4555 break;
4556 case SHM_INFO:
4557 ret = get_errno(shmctl(shmid, cmd, (struct shmid_ds *)&shm_info));
4558 if (host_to_target_shm_info(buf, &shm_info))
4559 return -TARGET_EFAULT;
4560 break;
4561 case IPC_RMID:
4562 case SHM_LOCK:
4563 case SHM_UNLOCK:
4564 ret = get_errno(shmctl(shmid, cmd, NULL));
4565 break;
4566 }
4567
4568 return ret;
4569}
4570
4571static inline abi_ulong do_shmat(int shmid, abi_ulong shmaddr, int shmflg)
4572{
4573 abi_long raddr;
4574 void *host_raddr;
4575 struct shmid_ds shm_info;
4576 int i,ret;
4577
4578
4579 ret = get_errno(shmctl(shmid, IPC_STAT, &shm_info));
4580 if (is_error(ret)) {
4581
4582 return ret;
4583 }
4584
4585 mmap_lock();
4586
4587 if (shmaddr)
4588 host_raddr = shmat(shmid, (void *)g2h(shmaddr), shmflg);
4589 else {
4590 abi_ulong mmap_start;
4591
4592 mmap_start = mmap_find_vma(0, shm_info.shm_segsz);
4593
4594 if (mmap_start == -1) {
4595 errno = ENOMEM;
4596 host_raddr = (void *)-1;
4597 } else
4598 host_raddr = shmat(shmid, g2h(mmap_start), shmflg | SHM_REMAP);
4599 }
4600
4601 if (host_raddr == (void *)-1) {
4602 mmap_unlock();
4603 return get_errno((long)host_raddr);
4604 }
4605 raddr=h2g((unsigned long)host_raddr);
4606
4607 page_set_flags(raddr, raddr + shm_info.shm_segsz,
4608 PAGE_VALID | PAGE_READ |
4609 ((shmflg & SHM_RDONLY)? 0 : PAGE_WRITE));
4610
4611 for (i = 0; i < N_SHM_REGIONS; i++) {
4612 if (!shm_regions[i].in_use) {
4613 shm_regions[i].in_use = true;
4614 shm_regions[i].start = raddr;
4615 shm_regions[i].size = shm_info.shm_segsz;
4616 break;
4617 }
4618 }
4619
4620 mmap_unlock();
4621 return raddr;
4622
4623}
4624
4625static inline abi_long do_shmdt(abi_ulong shmaddr)
4626{
4627 int i;
4628
4629 for (i = 0; i < N_SHM_REGIONS; ++i) {
4630 if (shm_regions[i].in_use && shm_regions[i].start == shmaddr) {
4631 shm_regions[i].in_use = false;
4632 page_set_flags(shmaddr, shmaddr + shm_regions[i].size, 0);
4633 break;
4634 }
4635 }
4636
4637 return get_errno(shmdt(g2h(shmaddr)));
4638}
4639
4640#ifdef TARGET_NR_ipc
4641
4642
4643static abi_long do_ipc(unsigned int call, abi_long first,
4644 abi_long second, abi_long third,
4645 abi_long ptr, abi_long fifth)
4646{
4647 int version;
4648 abi_long ret = 0;
4649
4650 version = call >> 16;
4651 call &= 0xffff;
4652
4653 switch (call) {
4654 case IPCOP_semop:
4655 ret = do_semop(first, ptr, second);
4656 break;
4657
4658 case IPCOP_semget:
4659 ret = get_errno(semget(first, second, third));
4660 break;
4661
4662 case IPCOP_semctl: {
4663
4664
4665 abi_ulong atptr;
4666 get_user_ual(atptr, ptr);
4667 ret = do_semctl(first, second, third, atptr);
4668 break;
4669 }
4670
4671 case IPCOP_msgget:
4672 ret = get_errno(msgget(first, second));
4673 break;
4674
4675 case IPCOP_msgsnd:
4676 ret = do_msgsnd(first, ptr, second, third);
4677 break;
4678
4679 case IPCOP_msgctl:
4680 ret = do_msgctl(first, second, ptr);
4681 break;
4682
4683 case IPCOP_msgrcv:
4684 switch (version) {
4685 case 0:
4686 {
4687 struct target_ipc_kludge {
4688 abi_long msgp;
4689 abi_long msgtyp;
4690 } *tmp;
4691
4692 if (!lock_user_struct(VERIFY_READ, tmp, ptr, 1)) {
4693 ret = -TARGET_EFAULT;
4694 break;
4695 }
4696
4697 ret = do_msgrcv(first, tswapal(tmp->msgp), second, tswapal(tmp->msgtyp), third);
4698
4699 unlock_user_struct(tmp, ptr, 0);
4700 break;
4701 }
4702 default:
4703 ret = do_msgrcv(first, ptr, second, fifth, third);
4704 }
4705 break;
4706
4707 case IPCOP_shmat:
4708 switch (version) {
4709 default:
4710 {
4711 abi_ulong raddr;
4712 raddr = do_shmat(first, ptr, second);
4713 if (is_error(raddr))
4714 return get_errno(raddr);
4715 if (put_user_ual(raddr, third))
4716 return -TARGET_EFAULT;
4717 break;
4718 }
4719 case 1:
4720 ret = -TARGET_EINVAL;
4721 break;
4722 }
4723 break;
4724 case IPCOP_shmdt:
4725 ret = do_shmdt(ptr);
4726 break;
4727
4728 case IPCOP_shmget:
4729
4730 ret = get_errno(shmget(first, second, third));
4731 break;
4732
4733
4734 case IPCOP_shmctl:
4735 ret = do_shmctl(first, second, ptr);
4736 break;
4737 default:
4738 gemu_log("Unsupported ipc call: %d (version %d)\n", call, version);
4739 ret = -TARGET_ENOSYS;
4740 break;
4741 }
4742 return ret;
4743}
4744#endif
4745
4746
4747
4748#define STRUCT(name, ...) STRUCT_ ## name,
4749#define STRUCT_SPECIAL(name) STRUCT_ ## name,
4750enum {
4751#include "syscall_types.h"
4752STRUCT_MAX
4753};
4754#undef STRUCT
4755#undef STRUCT_SPECIAL
4756
4757#define STRUCT(name, ...) static const argtype struct_ ## name ## _def[] = { __VA_ARGS__, TYPE_NULL };
4758#define STRUCT_SPECIAL(name)
4759#include "syscall_types.h"
4760#undef STRUCT
4761#undef STRUCT_SPECIAL
4762
4763typedef struct IOCTLEntry IOCTLEntry;
4764
4765typedef abi_long do_ioctl_fn(const IOCTLEntry *ie, uint8_t *buf_temp,
4766 int fd, int cmd, abi_long arg);
4767
4768struct IOCTLEntry {
4769 int target_cmd;
4770 unsigned int host_cmd;
4771 const char *name;
4772 int access;
4773 do_ioctl_fn *do_ioctl;
4774 const argtype arg_type[5];
4775};
4776
4777#define IOC_R 0x0001
4778#define IOC_W 0x0002
4779#define IOC_RW (IOC_R | IOC_W)
4780
4781#define MAX_STRUCT_SIZE 4096
4782
4783#ifdef CONFIG_FIEMAP
4784
4785
4786
4787
4788#define FIEMAP_MAX_EXTENTS ((UINT_MAX - sizeof(struct fiemap)) \
4789 / sizeof(struct fiemap_extent))
4790
4791static abi_long do_ioctl_fs_ioc_fiemap(const IOCTLEntry *ie, uint8_t *buf_temp,
4792 int fd, int cmd, abi_long arg)
4793{
4794
4795
4796
4797
4798
4799 int target_size_in, target_size_out;
4800 struct fiemap *fm;
4801 const argtype *arg_type = ie->arg_type;
4802 const argtype extent_arg_type[] = { MK_STRUCT(STRUCT_fiemap_extent) };
4803 void *argptr, *p;
4804 abi_long ret;
4805 int i, extent_size = thunk_type_size(extent_arg_type, 0);
4806 uint32_t outbufsz;
4807 int free_fm = 0;
4808
4809 assert(arg_type[0] == TYPE_PTR);
4810 assert(ie->access == IOC_RW);
4811 arg_type++;
4812 target_size_in = thunk_type_size(arg_type, 0);
4813 argptr = lock_user(VERIFY_READ, arg, target_size_in, 1);
4814 if (!argptr) {
4815 return -TARGET_EFAULT;
4816 }
4817 thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST);
4818 unlock_user(argptr, arg, 0);
4819 fm = (struct fiemap *)buf_temp;
4820 if (fm->fm_extent_count > FIEMAP_MAX_EXTENTS) {
4821 return -TARGET_EINVAL;
4822 }
4823
4824 outbufsz = sizeof (*fm) +
4825 (sizeof(struct fiemap_extent) * fm->fm_extent_count);
4826
4827 if (outbufsz > MAX_STRUCT_SIZE) {
4828
4829
4830
4831 fm = g_try_malloc(outbufsz);
4832 if (!fm) {
4833 return -TARGET_ENOMEM;
4834 }
4835 memcpy(fm, buf_temp, sizeof(struct fiemap));
4836 free_fm = 1;
4837 }
4838 ret = get_errno(safe_ioctl(fd, ie->host_cmd, fm));
4839 if (!is_error(ret)) {
4840 target_size_out = target_size_in;
4841
4842
4843
4844 if (fm->fm_extent_count != 0) {
4845 target_size_out += fm->fm_mapped_extents * extent_size;
4846 }
4847 argptr = lock_user(VERIFY_WRITE, arg, target_size_out, 0);
4848 if (!argptr) {
4849 ret = -TARGET_EFAULT;
4850 } else {
4851
4852 thunk_convert(argptr, fm, arg_type, THUNK_TARGET);
4853 if (fm->fm_extent_count != 0) {
4854 p = argptr + target_size_in;
4855
4856 for (i = 0; i < fm->fm_mapped_extents; i++) {
4857 thunk_convert(p, &fm->fm_extents[i], extent_arg_type,
4858 THUNK_TARGET);
4859 p += extent_size;
4860 }
4861 }
4862 unlock_user(argptr, arg, target_size_out);
4863 }
4864 }
4865 if (free_fm) {
4866 g_free(fm);
4867 }
4868 return ret;
4869}
4870#endif
4871
4872static abi_long do_ioctl_ifconf(const IOCTLEntry *ie, uint8_t *buf_temp,
4873 int fd, int cmd, abi_long arg)
4874{
4875 const argtype *arg_type = ie->arg_type;
4876 int target_size;
4877 void *argptr;
4878 int ret;
4879 struct ifconf *host_ifconf;
4880 uint32_t outbufsz;
4881 const argtype ifreq_arg_type[] = { MK_STRUCT(STRUCT_sockaddr_ifreq) };
4882 int target_ifreq_size;
4883 int nb_ifreq;
4884 int free_buf = 0;
4885 int i;
4886 int target_ifc_len;
4887 abi_long target_ifc_buf;
4888 int host_ifc_len;
4889 char *host_ifc_buf;
4890
4891 assert(arg_type[0] == TYPE_PTR);
4892 assert(ie->access == IOC_RW);
4893
4894 arg_type++;
4895 target_size = thunk_type_size(arg_type, 0);
4896
4897 argptr = lock_user(VERIFY_READ, arg, target_size, 1);
4898 if (!argptr)
4899 return -TARGET_EFAULT;
4900 thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST);
4901 unlock_user(argptr, arg, 0);
4902
4903 host_ifconf = (struct ifconf *)(unsigned long)buf_temp;
4904 target_ifc_len = host_ifconf->ifc_len;
4905 target_ifc_buf = (abi_long)(unsigned long)host_ifconf->ifc_buf;
4906
4907 target_ifreq_size = thunk_type_size(ifreq_arg_type, 0);
4908 nb_ifreq = target_ifc_len / target_ifreq_size;
4909 host_ifc_len = nb_ifreq * sizeof(struct ifreq);
4910
4911 outbufsz = sizeof(*host_ifconf) + host_ifc_len;
4912 if (outbufsz > MAX_STRUCT_SIZE) {
4913
4914
4915
4916 host_ifconf = malloc(outbufsz);
4917 if (!host_ifconf) {
4918 return -TARGET_ENOMEM;
4919 }
4920 memcpy(host_ifconf, buf_temp, sizeof(*host_ifconf));
4921 free_buf = 1;
4922 }
4923 host_ifc_buf = (char*)host_ifconf + sizeof(*host_ifconf);
4924
4925 host_ifconf->ifc_len = host_ifc_len;
4926 host_ifconf->ifc_buf = host_ifc_buf;
4927
4928 ret = get_errno(safe_ioctl(fd, ie->host_cmd, host_ifconf));
4929 if (!is_error(ret)) {
4930
4931
4932 nb_ifreq = host_ifconf->ifc_len / sizeof(struct ifreq);
4933 target_ifc_len = nb_ifreq * target_ifreq_size;
4934 host_ifconf->ifc_len = target_ifc_len;
4935
4936
4937
4938 host_ifconf->ifc_buf = (char *)(unsigned long)target_ifc_buf;
4939
4940
4941
4942 argptr = lock_user(VERIFY_WRITE, arg, target_size, 0);
4943 if (!argptr)
4944 return -TARGET_EFAULT;
4945 thunk_convert(argptr, host_ifconf, arg_type, THUNK_TARGET);
4946 unlock_user(argptr, arg, target_size);
4947
4948
4949
4950 argptr = lock_user(VERIFY_WRITE, target_ifc_buf, target_ifc_len, 0);
4951 for (i = 0; i < nb_ifreq ; i++) {
4952 thunk_convert(argptr + i * target_ifreq_size,
4953 host_ifc_buf + i * sizeof(struct ifreq),
4954 ifreq_arg_type, THUNK_TARGET);
4955 }
4956 unlock_user(argptr, target_ifc_buf, target_ifc_len);
4957 }
4958
4959 if (free_buf) {
4960 free(host_ifconf);
4961 }
4962
4963 return ret;
4964}
4965
4966static abi_long do_ioctl_dm(const IOCTLEntry *ie, uint8_t *buf_temp, int fd,
4967 int cmd, abi_long arg)
4968{
4969 void *argptr;
4970 struct dm_ioctl *host_dm;
4971 abi_long guest_data;
4972 uint32_t guest_data_size;
4973 int target_size;
4974 const argtype *arg_type = ie->arg_type;
4975 abi_long ret;
4976 void *big_buf = NULL;
4977 char *host_data;
4978
4979 arg_type++;
4980 target_size = thunk_type_size(arg_type, 0);
4981 argptr = lock_user(VERIFY_READ, arg, target_size, 1);
4982 if (!argptr) {
4983 ret = -TARGET_EFAULT;
4984 goto out;
4985 }
4986 thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST);
4987 unlock_user(argptr, arg, 0);
4988
4989
4990 big_buf = g_malloc0(((struct dm_ioctl*)buf_temp)->data_size * 2);
4991 memcpy(big_buf, buf_temp, target_size);
4992 buf_temp = big_buf;
4993 host_dm = big_buf;
4994
4995 guest_data = arg + host_dm->data_start;
4996 if ((guest_data - arg) < 0) {
4997 ret = -EINVAL;
4998 goto out;
4999 }
5000 guest_data_size = host_dm->data_size - host_dm->data_start;
5001 host_data = (char*)host_dm + host_dm->data_start;
5002
5003 argptr = lock_user(VERIFY_READ, guest_data, guest_data_size, 1);
5004 switch (ie->host_cmd) {
5005 case DM_REMOVE_ALL:
5006 case DM_LIST_DEVICES:
5007 case DM_DEV_CREATE:
5008 case DM_DEV_REMOVE:
5009 case DM_DEV_SUSPEND:
5010 case DM_DEV_STATUS:
5011 case DM_DEV_WAIT:
5012 case DM_TABLE_STATUS:
5013 case DM_TABLE_CLEAR:
5014 case DM_TABLE_DEPS:
5015 case DM_LIST_VERSIONS:
5016
5017 break;
5018 case DM_DEV_RENAME:
5019 case DM_DEV_SET_GEOMETRY:
5020
5021 memcpy(host_data, argptr, guest_data_size);
5022 break;
5023 case DM_TARGET_MSG:
5024 memcpy(host_data, argptr, guest_data_size);
5025 *(uint64_t*)host_data = tswap64(*(uint64_t*)argptr);
5026 break;
5027 case DM_TABLE_LOAD:
5028 {
5029 void *gspec = argptr;
5030 void *cur_data = host_data;
5031 const argtype arg_type[] = { MK_STRUCT(STRUCT_dm_target_spec) };
5032 int spec_size = thunk_type_size(arg_type, 0);
5033 int i;
5034
5035 for (i = 0; i < host_dm->target_count; i++) {
5036 struct dm_target_spec *spec = cur_data;
5037 uint32_t next;
5038 int slen;
5039
5040 thunk_convert(spec, gspec, arg_type, THUNK_HOST);
5041 slen = strlen((char*)gspec + spec_size) + 1;
5042 next = spec->next;
5043 spec->next = sizeof(*spec) + slen;
5044 strcpy((char*)&spec[1], gspec + spec_size);
5045 gspec += next;
5046 cur_data += spec->next;
5047 }
5048 break;
5049 }
5050 default:
5051 ret = -TARGET_EINVAL;
5052 unlock_user(argptr, guest_data, 0);
5053 goto out;
5054 }
5055 unlock_user(argptr, guest_data, 0);
5056
5057 ret = get_errno(safe_ioctl(fd, ie->host_cmd, buf_temp));
5058 if (!is_error(ret)) {
5059 guest_data = arg + host_dm->data_start;
5060 guest_data_size = host_dm->data_size - host_dm->data_start;
5061 argptr = lock_user(VERIFY_WRITE, guest_data, guest_data_size, 0);
5062 switch (ie->host_cmd) {
5063 case DM_REMOVE_ALL:
5064 case DM_DEV_CREATE:
5065 case DM_DEV_REMOVE:
5066 case DM_DEV_RENAME:
5067 case DM_DEV_SUSPEND:
5068 case DM_DEV_STATUS:
5069 case DM_TABLE_LOAD:
5070 case DM_TABLE_CLEAR:
5071 case DM_TARGET_MSG:
5072 case DM_DEV_SET_GEOMETRY:
5073
5074 break;
5075 case DM_LIST_DEVICES:
5076 {
5077 struct dm_name_list *nl = (void*)host_dm + host_dm->data_start;
5078 uint32_t remaining_data = guest_data_size;
5079 void *cur_data = argptr;
5080 const argtype arg_type[] = { MK_STRUCT(STRUCT_dm_name_list) };
5081 int nl_size = 12;
5082
5083 while (1) {
5084 uint32_t next = nl->next;
5085 if (next) {
5086 nl->next = nl_size + (strlen(nl->name) + 1);
5087 }
5088 if (remaining_data < nl->next) {
5089 host_dm->flags |= DM_BUFFER_FULL_FLAG;
5090 break;
5091 }
5092 thunk_convert(cur_data, nl, arg_type, THUNK_TARGET);
5093 strcpy(cur_data + nl_size, nl->name);
5094 cur_data += nl->next;
5095 remaining_data -= nl->next;
5096 if (!next) {
5097 break;
5098 }
5099 nl = (void*)nl + next;
5100 }
5101 break;
5102 }
5103 case DM_DEV_WAIT:
5104 case DM_TABLE_STATUS:
5105 {
5106 struct dm_target_spec *spec = (void*)host_dm + host_dm->data_start;
5107 void *cur_data = argptr;
5108 const argtype arg_type[] = { MK_STRUCT(STRUCT_dm_target_spec) };
5109 int spec_size = thunk_type_size(arg_type, 0);
5110 int i;
5111
5112 for (i = 0; i < host_dm->target_count; i++) {
5113 uint32_t next = spec->next;
5114 int slen = strlen((char*)&spec[1]) + 1;
5115 spec->next = (cur_data - argptr) + spec_size + slen;
5116 if (guest_data_size < spec->next) {
5117 host_dm->flags |= DM_BUFFER_FULL_FLAG;
5118 break;
5119 }
5120 thunk_convert(cur_data, spec, arg_type, THUNK_TARGET);
5121 strcpy(cur_data + spec_size, (char*)&spec[1]);
5122 cur_data = argptr + spec->next;
5123 spec = (void*)host_dm + host_dm->data_start + next;
5124 }
5125 break;
5126 }
5127 case DM_TABLE_DEPS:
5128 {
5129 void *hdata = (void*)host_dm + host_dm->data_start;
5130 int count = *(uint32_t*)hdata;
5131 uint64_t *hdev = hdata + 8;
5132 uint64_t *gdev = argptr + 8;
5133 int i;
5134
5135 *(uint32_t*)argptr = tswap32(count);
5136 for (i = 0; i < count; i++) {
5137 *gdev = tswap64(*hdev);
5138 gdev++;
5139 hdev++;
5140 }
5141 break;
5142 }
5143 case DM_LIST_VERSIONS:
5144 {
5145 struct dm_target_versions *vers = (void*)host_dm + host_dm->data_start;
5146 uint32_t remaining_data = guest_data_size;
5147 void *cur_data = argptr;
5148 const argtype arg_type[] = { MK_STRUCT(STRUCT_dm_target_versions) };
5149 int vers_size = thunk_type_size(arg_type, 0);
5150
5151 while (1) {
5152 uint32_t next = vers->next;
5153 if (next) {
5154 vers->next = vers_size + (strlen(vers->name) + 1);
5155 }
5156 if (remaining_data < vers->next) {
5157 host_dm->flags |= DM_BUFFER_FULL_FLAG;
5158 break;
5159 }
5160 thunk_convert(cur_data, vers, arg_type, THUNK_TARGET);
5161 strcpy(cur_data + vers_size, vers->name);
5162 cur_data += vers->next;
5163 remaining_data -= vers->next;
5164 if (!next) {
5165 break;
5166 }
5167 vers = (void*)vers + next;
5168 }
5169 break;
5170 }
5171 default:
5172 unlock_user(argptr, guest_data, 0);
5173 ret = -TARGET_EINVAL;
5174 goto out;
5175 }
5176 unlock_user(argptr, guest_data, guest_data_size);
5177
5178 argptr = lock_user(VERIFY_WRITE, arg, target_size, 0);
5179 if (!argptr) {
5180 ret = -TARGET_EFAULT;
5181 goto out;
5182 }
5183 thunk_convert(argptr, buf_temp, arg_type, THUNK_TARGET);
5184 unlock_user(argptr, arg, target_size);
5185 }
5186out:
5187 g_free(big_buf);
5188 return ret;
5189}
5190
5191static abi_long do_ioctl_blkpg(const IOCTLEntry *ie, uint8_t *buf_temp, int fd,
5192 int cmd, abi_long arg)
5193{
5194 void *argptr;
5195 int target_size;
5196 const argtype *arg_type = ie->arg_type;
5197 const argtype part_arg_type[] = { MK_STRUCT(STRUCT_blkpg_partition) };
5198 abi_long ret;
5199
5200 struct blkpg_ioctl_arg *host_blkpg = (void*)buf_temp;
5201 struct blkpg_partition host_part;
5202
5203
5204 arg_type++;
5205 target_size = thunk_type_size(arg_type, 0);
5206 argptr = lock_user(VERIFY_READ, arg, target_size, 1);
5207 if (!argptr) {
5208 ret = -TARGET_EFAULT;
5209 goto out;
5210 }
5211 thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST);
5212 unlock_user(argptr, arg, 0);
5213
5214 switch (host_blkpg->op) {
5215 case BLKPG_ADD_PARTITION:
5216 case BLKPG_DEL_PARTITION:
5217
5218 break;
5219 default:
5220
5221 ret = -TARGET_EINVAL;
5222 goto out;
5223 }
5224
5225
5226 arg = (abi_long)(uintptr_t)host_blkpg->data;
5227 target_size = thunk_type_size(part_arg_type, 0);
5228 argptr = lock_user(VERIFY_READ, arg, target_size, 1);
5229 if (!argptr) {
5230 ret = -TARGET_EFAULT;
5231 goto out;
5232 }
5233 thunk_convert(&host_part, argptr, part_arg_type, THUNK_HOST);
5234 unlock_user(argptr, arg, 0);
5235
5236
5237 host_blkpg->data = &host_part;
5238 ret = get_errno(safe_ioctl(fd, ie->host_cmd, host_blkpg));
5239
5240out:
5241 return ret;
5242}
5243
5244static abi_long do_ioctl_rt(const IOCTLEntry *ie, uint8_t *buf_temp,
5245 int fd, int cmd, abi_long arg)
5246{
5247 const argtype *arg_type = ie->arg_type;
5248 const StructEntry *se;
5249 const argtype *field_types;
5250 const int *dst_offsets, *src_offsets;
5251 int target_size;
5252 void *argptr;
5253 abi_ulong *target_rt_dev_ptr;
5254 unsigned long *host_rt_dev_ptr;
5255 abi_long ret;
5256 int i;
5257
5258 assert(ie->access == IOC_W);
5259 assert(*arg_type == TYPE_PTR);
5260 arg_type++;
5261 assert(*arg_type == TYPE_STRUCT);
5262 target_size = thunk_type_size(arg_type, 0);
5263 argptr = lock_user(VERIFY_READ, arg, target_size, 1);
5264 if (!argptr) {
5265 return -TARGET_EFAULT;
5266 }
5267 arg_type++;
5268 assert(*arg_type == (int)STRUCT_rtentry);
5269 se = struct_entries + *arg_type++;
5270 assert(se->convert[0] == NULL);
5271
5272 field_types = se->field_types;
5273 dst_offsets = se->field_offsets[THUNK_HOST];
5274 src_offsets = se->field_offsets[THUNK_TARGET];
5275 for (i = 0; i < se->nb_fields; i++) {
5276 if (dst_offsets[i] == offsetof(struct rtentry, rt_dev)) {
5277 assert(*field_types == TYPE_PTRVOID);
5278 target_rt_dev_ptr = (abi_ulong *)(argptr + src_offsets[i]);
5279 host_rt_dev_ptr = (unsigned long *)(buf_temp + dst_offsets[i]);
5280 if (*target_rt_dev_ptr != 0) {
5281 *host_rt_dev_ptr = (unsigned long)lock_user_string(
5282 tswapal(*target_rt_dev_ptr));
5283 if (!*host_rt_dev_ptr) {
5284 unlock_user(argptr, arg, 0);
5285 return -TARGET_EFAULT;
5286 }
5287 } else {
5288 *host_rt_dev_ptr = 0;
5289 }
5290 field_types++;
5291 continue;
5292 }
5293 field_types = thunk_convert(buf_temp + dst_offsets[i],
5294 argptr + src_offsets[i],
5295 field_types, THUNK_HOST);
5296 }
5297 unlock_user(argptr, arg, 0);
5298
5299 ret = get_errno(safe_ioctl(fd, ie->host_cmd, buf_temp));
5300 if (*host_rt_dev_ptr != 0) {
5301 unlock_user((void *)*host_rt_dev_ptr,
5302 *target_rt_dev_ptr, 0);
5303 }
5304 return ret;
5305}
5306
5307static abi_long do_ioctl_kdsigaccept(const IOCTLEntry *ie, uint8_t *buf_temp,
5308 int fd, int cmd, abi_long arg)
5309{
5310 int sig = target_to_host_signal(arg);
5311 return get_errno(safe_ioctl(fd, ie->host_cmd, sig));
5312}
5313
5314static IOCTLEntry ioctl_entries[] = {
5315#define IOCTL(cmd, access, ...) \
5316 { TARGET_ ## cmd, cmd, #cmd, access, 0, { __VA_ARGS__ } },
5317#define IOCTL_SPECIAL(cmd, access, dofn, ...) \
5318 { TARGET_ ## cmd, cmd, #cmd, access, dofn, { __VA_ARGS__ } },
5319#include "ioctls.h"
5320 { 0, 0, },
5321};
5322
5323
5324
5325static abi_long do_ioctl(int fd, int cmd, abi_long arg)
5326{
5327 const IOCTLEntry *ie;
5328 const argtype *arg_type;
5329 abi_long ret;
5330 uint8_t buf_temp[MAX_STRUCT_SIZE];
5331 int target_size;
5332 void *argptr;
5333
5334 ie = ioctl_entries;
5335 for(;;) {
5336 if (ie->target_cmd == 0) {
5337 gemu_log("Unsupported ioctl: cmd=0x%04lx\n", (long)cmd);
5338 return -TARGET_ENOSYS;
5339 }
5340 if (ie->target_cmd == cmd)
5341 break;
5342 ie++;
5343 }
5344 arg_type = ie->arg_type;
5345#if defined(DEBUG)
5346 gemu_log("ioctl: cmd=0x%04lx (%s)\n", (long)cmd, ie->name);
5347#endif
5348 if (ie->do_ioctl) {
5349 return ie->do_ioctl(ie, buf_temp, fd, cmd, arg);
5350 }
5351
5352 switch(arg_type[0]) {
5353 case TYPE_NULL:
5354
5355 ret = get_errno(safe_ioctl(fd, ie->host_cmd));
5356 break;
5357 case TYPE_PTRVOID:
5358 case TYPE_INT:
5359 ret = get_errno(safe_ioctl(fd, ie->host_cmd, arg));
5360 break;
5361 case TYPE_PTR:
5362 arg_type++;
5363 target_size = thunk_type_size(arg_type, 0);
5364 switch(ie->access) {
5365 case IOC_R:
5366 ret = get_errno(safe_ioctl(fd, ie->host_cmd, buf_temp));
5367 if (!is_error(ret)) {
5368 argptr = lock_user(VERIFY_WRITE, arg, target_size, 0);
5369 if (!argptr)
5370 return -TARGET_EFAULT;
5371 thunk_convert(argptr, buf_temp, arg_type, THUNK_TARGET);
5372 unlock_user(argptr, arg, target_size);
5373 }
5374 break;
5375 case IOC_W:
5376 argptr = lock_user(VERIFY_READ, arg, target_size, 1);
5377 if (!argptr)
5378 return -TARGET_EFAULT;
5379 thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST);
5380 unlock_user(argptr, arg, 0);
5381 ret = get_errno(safe_ioctl(fd, ie->host_cmd, buf_temp));
5382 break;
5383 default:
5384 case IOC_RW:
5385 argptr = lock_user(VERIFY_READ, arg, target_size, 1);
5386 if (!argptr)
5387 return -TARGET_EFAULT;
5388 thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST);
5389 unlock_user(argptr, arg, 0);
5390 ret = get_errno(safe_ioctl(fd, ie->host_cmd, buf_temp));
5391 if (!is_error(ret)) {
5392 argptr = lock_user(VERIFY_WRITE, arg, target_size, 0);
5393 if (!argptr)
5394 return -TARGET_EFAULT;
5395 thunk_convert(argptr, buf_temp, arg_type, THUNK_TARGET);
5396 unlock_user(argptr, arg, target_size);
5397 }
5398 break;
5399 }
5400 break;
5401 default:
5402 gemu_log("Unsupported ioctl type: cmd=0x%04lx type=%d\n",
5403 (long)cmd, arg_type[0]);
5404 ret = -TARGET_ENOSYS;
5405 break;
5406 }
5407 return ret;
5408}
5409
5410static const bitmask_transtbl iflag_tbl[] = {
5411 { TARGET_IGNBRK, TARGET_IGNBRK, IGNBRK, IGNBRK },
5412 { TARGET_BRKINT, TARGET_BRKINT, BRKINT, BRKINT },
5413 { TARGET_IGNPAR, TARGET_IGNPAR, IGNPAR, IGNPAR },
5414 { TARGET_PARMRK, TARGET_PARMRK, PARMRK, PARMRK },
5415 { TARGET_INPCK, TARGET_INPCK, INPCK, INPCK },
5416 { TARGET_ISTRIP, TARGET_ISTRIP, ISTRIP, ISTRIP },
5417 { TARGET_INLCR, TARGET_INLCR, INLCR, INLCR },
5418 { TARGET_IGNCR, TARGET_IGNCR, IGNCR, IGNCR },
5419 { TARGET_ICRNL, TARGET_ICRNL, ICRNL, ICRNL },
5420 { TARGET_IUCLC, TARGET_IUCLC, IUCLC, IUCLC },
5421 { TARGET_IXON, TARGET_IXON, IXON, IXON },
5422 { TARGET_IXANY, TARGET_IXANY, IXANY, IXANY },
5423 { TARGET_IXOFF, TARGET_IXOFF, IXOFF, IXOFF },
5424 { TARGET_IMAXBEL, TARGET_IMAXBEL, IMAXBEL, IMAXBEL },
5425 { 0, 0, 0, 0 }
5426};
5427
5428static const bitmask_transtbl oflag_tbl[] = {
5429 { TARGET_OPOST, TARGET_OPOST, OPOST, OPOST },
5430 { TARGET_OLCUC, TARGET_OLCUC, OLCUC, OLCUC },
5431 { TARGET_ONLCR, TARGET_ONLCR, ONLCR, ONLCR },
5432 { TARGET_OCRNL, TARGET_OCRNL, OCRNL, OCRNL },
5433 { TARGET_ONOCR, TARGET_ONOCR, ONOCR, ONOCR },
5434 { TARGET_ONLRET, TARGET_ONLRET, ONLRET, ONLRET },
5435 { TARGET_OFILL, TARGET_OFILL, OFILL, OFILL },
5436 { TARGET_OFDEL, TARGET_OFDEL, OFDEL, OFDEL },
5437 { TARGET_NLDLY, TARGET_NL0, NLDLY, NL0 },
5438 { TARGET_NLDLY, TARGET_NL1, NLDLY, NL1 },
5439 { TARGET_CRDLY, TARGET_CR0, CRDLY, CR0 },
5440 { TARGET_CRDLY, TARGET_CR1, CRDLY, CR1 },
5441 { TARGET_CRDLY, TARGET_CR2, CRDLY, CR2 },
5442 { TARGET_CRDLY, TARGET_CR3, CRDLY, CR3 },
5443 { TARGET_TABDLY, TARGET_TAB0, TABDLY, TAB0 },
5444 { TARGET_TABDLY, TARGET_TAB1, TABDLY, TAB1 },
5445 { TARGET_TABDLY, TARGET_TAB2, TABDLY, TAB2 },
5446 { TARGET_TABDLY, TARGET_TAB3, TABDLY, TAB3 },
5447 { TARGET_BSDLY, TARGET_BS0, BSDLY, BS0 },
5448 { TARGET_BSDLY, TARGET_BS1, BSDLY, BS1 },
5449 { TARGET_VTDLY, TARGET_VT0, VTDLY, VT0 },
5450 { TARGET_VTDLY, TARGET_VT1, VTDLY, VT1 },
5451 { TARGET_FFDLY, TARGET_FF0, FFDLY, FF0 },
5452 { TARGET_FFDLY, TARGET_FF1, FFDLY, FF1 },
5453 { 0, 0, 0, 0 }
5454};
5455
5456static const bitmask_transtbl cflag_tbl[] = {
5457 { TARGET_CBAUD, TARGET_B0, CBAUD, B0 },
5458 { TARGET_CBAUD, TARGET_B50, CBAUD, B50 },
5459 { TARGET_CBAUD, TARGET_B75, CBAUD, B75 },
5460 { TARGET_CBAUD, TARGET_B110, CBAUD, B110 },
5461 { TARGET_CBAUD, TARGET_B134, CBAUD, B134 },
5462 { TARGET_CBAUD, TARGET_B150, CBAUD, B150 },
5463 { TARGET_CBAUD, TARGET_B200, CBAUD, B200 },
5464 { TARGET_CBAUD, TARGET_B300, CBAUD, B300 },
5465 { TARGET_CBAUD, TARGET_B600, CBAUD, B600 },
5466 { TARGET_CBAUD, TARGET_B1200, CBAUD, B1200 },
5467 { TARGET_CBAUD, TARGET_B1800, CBAUD, B1800 },
5468 { TARGET_CBAUD, TARGET_B2400, CBAUD, B2400 },
5469 { TARGET_CBAUD, TARGET_B4800, CBAUD, B4800 },
5470 { TARGET_CBAUD, TARGET_B9600, CBAUD, B9600 },
5471 { TARGET_CBAUD, TARGET_B19200, CBAUD, B19200 },
5472 { TARGET_CBAUD, TARGET_B38400, CBAUD, B38400 },
5473 { TARGET_CBAUD, TARGET_B57600, CBAUD, B57600 },
5474 { TARGET_CBAUD, TARGET_B115200, CBAUD, B115200 },
5475 { TARGET_CBAUD, TARGET_B230400, CBAUD, B230400 },
5476 { TARGET_CBAUD, TARGET_B460800, CBAUD, B460800 },
5477 { TARGET_CSIZE, TARGET_CS5, CSIZE, CS5 },
5478 { TARGET_CSIZE, TARGET_CS6, CSIZE, CS6 },
5479 { TARGET_CSIZE, TARGET_CS7, CSIZE, CS7 },
5480 { TARGET_CSIZE, TARGET_CS8, CSIZE, CS8 },
5481 { TARGET_CSTOPB, TARGET_CSTOPB, CSTOPB, CSTOPB },
5482 { TARGET_CREAD, TARGET_CREAD, CREAD, CREAD },
5483 { TARGET_PARENB, TARGET_PARENB, PARENB, PARENB },
5484 { TARGET_PARODD, TARGET_PARODD, PARODD, PARODD },
5485 { TARGET_HUPCL, TARGET_HUPCL, HUPCL, HUPCL },
5486 { TARGET_CLOCAL, TARGET_CLOCAL, CLOCAL, CLOCAL },
5487 { TARGET_CRTSCTS, TARGET_CRTSCTS, CRTSCTS, CRTSCTS },
5488 { 0, 0, 0, 0 }
5489};
5490
5491static const bitmask_transtbl lflag_tbl[] = {
5492 { TARGET_ISIG, TARGET_ISIG, ISIG, ISIG },
5493 { TARGET_ICANON, TARGET_ICANON, ICANON, ICANON },
5494 { TARGET_XCASE, TARGET_XCASE, XCASE, XCASE },
5495 { TARGET_ECHO, TARGET_ECHO, ECHO, ECHO },
5496 { TARGET_ECHOE, TARGET_ECHOE, ECHOE, ECHOE },
5497 { TARGET_ECHOK, TARGET_ECHOK, ECHOK, ECHOK },
5498 { TARGET_ECHONL, TARGET_ECHONL, ECHONL, ECHONL },
5499 { TARGET_NOFLSH, TARGET_NOFLSH, NOFLSH, NOFLSH },
5500 { TARGET_TOSTOP, TARGET_TOSTOP, TOSTOP, TOSTOP },
5501 { TARGET_ECHOCTL, TARGET_ECHOCTL, ECHOCTL, ECHOCTL },
5502 { TARGET_ECHOPRT, TARGET_ECHOPRT, ECHOPRT, ECHOPRT },
5503 { TARGET_ECHOKE, TARGET_ECHOKE, ECHOKE, ECHOKE },
5504 { TARGET_FLUSHO, TARGET_FLUSHO, FLUSHO, FLUSHO },
5505 { TARGET_PENDIN, TARGET_PENDIN, PENDIN, PENDIN },
5506 { TARGET_IEXTEN, TARGET_IEXTEN, IEXTEN, IEXTEN },
5507 { 0, 0, 0, 0 }
5508};
5509
5510static void target_to_host_termios (void *dst, const void *src)
5511{
5512 struct host_termios *host = dst;
5513 const struct target_termios *target = src;
5514
5515 host->c_iflag =
5516 target_to_host_bitmask(tswap32(target->c_iflag), iflag_tbl);
5517 host->c_oflag =
5518 target_to_host_bitmask(tswap32(target->c_oflag), oflag_tbl);
5519 host->c_cflag =
5520 target_to_host_bitmask(tswap32(target->c_cflag), cflag_tbl);
5521 host->c_lflag =
5522 target_to_host_bitmask(tswap32(target->c_lflag), lflag_tbl);
5523 host->c_line = target->c_line;
5524
5525 memset(host->c_cc, 0, sizeof(host->c_cc));
5526 host->c_cc[VINTR] = target->c_cc[TARGET_VINTR];
5527 host->c_cc[VQUIT] = target->c_cc[TARGET_VQUIT];
5528 host->c_cc[VERASE] = target->c_cc[TARGET_VERASE];
5529 host->c_cc[VKILL] = target->c_cc[TARGET_VKILL];
5530 host->c_cc[VEOF] = target->c_cc[TARGET_VEOF];
5531 host->c_cc[VTIME] = target->c_cc[TARGET_VTIME];
5532 host->c_cc[VMIN] = target->c_cc[TARGET_VMIN];
5533 host->c_cc[VSWTC] = target->c_cc[TARGET_VSWTC];
5534 host->c_cc[VSTART] = target->c_cc[TARGET_VSTART];
5535 host->c_cc[VSTOP] = target->c_cc[TARGET_VSTOP];
5536 host->c_cc[VSUSP] = target->c_cc[TARGET_VSUSP];
5537 host->c_cc[VEOL] = target->c_cc[TARGET_VEOL];
5538 host->c_cc[VREPRINT] = target->c_cc[TARGET_VREPRINT];
5539 host->c_cc[VDISCARD] = target->c_cc[TARGET_VDISCARD];
5540 host->c_cc[VWERASE] = target->c_cc[TARGET_VWERASE];
5541 host->c_cc[VLNEXT] = target->c_cc[TARGET_VLNEXT];
5542 host->c_cc[VEOL2] = target->c_cc[TARGET_VEOL2];
5543}
5544
5545static void host_to_target_termios (void *dst, const void *src)
5546{
5547 struct target_termios *target = dst;
5548 const struct host_termios *host = src;
5549
5550 target->c_iflag =
5551 tswap32(host_to_target_bitmask(host->c_iflag, iflag_tbl));
5552 target->c_oflag =
5553 tswap32(host_to_target_bitmask(host->c_oflag, oflag_tbl));
5554 target->c_cflag =
5555 tswap32(host_to_target_bitmask(host->c_cflag, cflag_tbl));
5556 target->c_lflag =
5557 tswap32(host_to_target_bitmask(host->c_lflag, lflag_tbl));
5558 target->c_line = host->c_line;
5559
5560 memset(target->c_cc, 0, sizeof(target->c_cc));
5561 target->c_cc[TARGET_VINTR] = host->c_cc[VINTR];
5562 target->c_cc[TARGET_VQUIT] = host->c_cc[VQUIT];
5563 target->c_cc[TARGET_VERASE] = host->c_cc[VERASE];
5564 target->c_cc[TARGET_VKILL] = host->c_cc[VKILL];
5565 target->c_cc[TARGET_VEOF] = host->c_cc[VEOF];
5566 target->c_cc[TARGET_VTIME] = host->c_cc[VTIME];
5567 target->c_cc[TARGET_VMIN] = host->c_cc[VMIN];
5568 target->c_cc[TARGET_VSWTC] = host->c_cc[VSWTC];
5569 target->c_cc[TARGET_VSTART] = host->c_cc[VSTART];
5570 target->c_cc[TARGET_VSTOP] = host->c_cc[VSTOP];
5571 target->c_cc[TARGET_VSUSP] = host->c_cc[VSUSP];
5572 target->c_cc[TARGET_VEOL] = host->c_cc[VEOL];
5573 target->c_cc[TARGET_VREPRINT] = host->c_cc[VREPRINT];
5574 target->c_cc[TARGET_VDISCARD] = host->c_cc[VDISCARD];
5575 target->c_cc[TARGET_VWERASE] = host->c_cc[VWERASE];
5576 target->c_cc[TARGET_VLNEXT] = host->c_cc[VLNEXT];
5577 target->c_cc[TARGET_VEOL2] = host->c_cc[VEOL2];
5578}
5579
5580static const StructEntry struct_termios_def = {
5581 .convert = { host_to_target_termios, target_to_host_termios },
5582 .size = { sizeof(struct target_termios), sizeof(struct host_termios) },
5583 .align = { __alignof__(struct target_termios), __alignof__(struct host_termios) },
5584};
5585
5586static bitmask_transtbl mmap_flags_tbl[] = {
5587 { TARGET_MAP_SHARED, TARGET_MAP_SHARED, MAP_SHARED, MAP_SHARED },
5588 { TARGET_MAP_PRIVATE, TARGET_MAP_PRIVATE, MAP_PRIVATE, MAP_PRIVATE },
5589 { TARGET_MAP_FIXED, TARGET_MAP_FIXED, MAP_FIXED, MAP_FIXED },
5590 { TARGET_MAP_ANONYMOUS, TARGET_MAP_ANONYMOUS, MAP_ANONYMOUS, MAP_ANONYMOUS },
5591 { TARGET_MAP_GROWSDOWN, TARGET_MAP_GROWSDOWN, MAP_GROWSDOWN, MAP_GROWSDOWN },
5592 { TARGET_MAP_DENYWRITE, TARGET_MAP_DENYWRITE, MAP_DENYWRITE, MAP_DENYWRITE },
5593 { TARGET_MAP_EXECUTABLE, TARGET_MAP_EXECUTABLE, MAP_EXECUTABLE, MAP_EXECUTABLE },
5594 { TARGET_MAP_LOCKED, TARGET_MAP_LOCKED, MAP_LOCKED, MAP_LOCKED },
5595 { TARGET_MAP_NORESERVE, TARGET_MAP_NORESERVE, MAP_NORESERVE,
5596 MAP_NORESERVE },
5597 { 0, 0, 0, 0 }
5598};
5599
5600#if defined(TARGET_I386)
5601
5602
5603static uint8_t *ldt_table;
5604
5605static abi_long read_ldt(abi_ulong ptr, unsigned long bytecount)
5606{
5607 int size;
5608 void *p;
5609
5610 if (!ldt_table)
5611 return 0;
5612 size = TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE;
5613 if (size > bytecount)
5614 size = bytecount;
5615 p = lock_user(VERIFY_WRITE, ptr, size, 0);
5616 if (!p)
5617 return -TARGET_EFAULT;
5618
5619 memcpy(p, ldt_table, size);
5620 unlock_user(p, ptr, size);
5621 return size;
5622}
5623
5624
5625static abi_long write_ldt(CPUX86State *env,
5626 abi_ulong ptr, unsigned long bytecount, int oldmode)
5627{
5628 struct target_modify_ldt_ldt_s ldt_info;
5629 struct target_modify_ldt_ldt_s *target_ldt_info;
5630 int seg_32bit, contents, read_exec_only, limit_in_pages;
5631 int seg_not_present, useable, lm;
5632 uint32_t *lp, entry_1, entry_2;
5633
5634 if (bytecount != sizeof(ldt_info))
5635 return -TARGET_EINVAL;
5636 if (!lock_user_struct(VERIFY_READ, target_ldt_info, ptr, 1))
5637 return -TARGET_EFAULT;
5638 ldt_info.entry_number = tswap32(target_ldt_info->entry_number);
5639 ldt_info.base_addr = tswapal(target_ldt_info->base_addr);
5640 ldt_info.limit = tswap32(target_ldt_info->limit);
5641 ldt_info.flags = tswap32(target_ldt_info->flags);
5642 unlock_user_struct(target_ldt_info, ptr, 0);
5643
5644 if (ldt_info.entry_number >= TARGET_LDT_ENTRIES)
5645 return -TARGET_EINVAL;
5646 seg_32bit = ldt_info.flags & 1;
5647 contents = (ldt_info.flags >> 1) & 3;
5648 read_exec_only = (ldt_info.flags >> 3) & 1;
5649 limit_in_pages = (ldt_info.flags >> 4) & 1;
5650 seg_not_present = (ldt_info.flags >> 5) & 1;
5651 useable = (ldt_info.flags >> 6) & 1;
5652#ifdef TARGET_ABI32
5653 lm = 0;
5654#else
5655 lm = (ldt_info.flags >> 7) & 1;
5656#endif
5657 if (contents == 3) {
5658 if (oldmode)
5659 return -TARGET_EINVAL;
5660 if (seg_not_present == 0)
5661 return -TARGET_EINVAL;
5662 }
5663
5664 if (!ldt_table) {
5665 env->ldt.base = target_mmap(0,
5666 TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE,
5667 PROT_READ|PROT_WRITE,
5668 MAP_ANONYMOUS|MAP_PRIVATE, -1, 0);
5669 if (env->ldt.base == -1)
5670 return -TARGET_ENOMEM;
5671 memset(g2h(env->ldt.base), 0,
5672 TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE);
5673 env->ldt.limit = 0xffff;
5674 ldt_table = g2h(env->ldt.base);
5675 }
5676
5677
5678
5679 if (ldt_info.base_addr == 0 && ldt_info.limit == 0) {
5680 if (oldmode ||
5681 (contents == 0 &&
5682 read_exec_only == 1 &&
5683 seg_32bit == 0 &&
5684 limit_in_pages == 0 &&
5685 seg_not_present == 1 &&
5686 useable == 0 )) {
5687 entry_1 = 0;
5688 entry_2 = 0;
5689 goto install;
5690 }
5691 }
5692
5693 entry_1 = ((ldt_info.base_addr & 0x0000ffff) << 16) |
5694 (ldt_info.limit & 0x0ffff);
5695 entry_2 = (ldt_info.base_addr & 0xff000000) |
5696 ((ldt_info.base_addr & 0x00ff0000) >> 16) |
5697 (ldt_info.limit & 0xf0000) |
5698 ((read_exec_only ^ 1) << 9) |
5699 (contents << 10) |
5700 ((seg_not_present ^ 1) << 15) |
5701 (seg_32bit << 22) |
5702 (limit_in_pages << 23) |
5703 (lm << 21) |
5704 0x7000;
5705 if (!oldmode)
5706 entry_2 |= (useable << 20);
5707
5708
5709install:
5710 lp = (uint32_t *)(ldt_table + (ldt_info.entry_number << 3));
5711 lp[0] = tswap32(entry_1);
5712 lp[1] = tswap32(entry_2);
5713 return 0;
5714}
5715
5716
5717static abi_long do_modify_ldt(CPUX86State *env, int func, abi_ulong ptr,
5718 unsigned long bytecount)
5719{
5720 abi_long ret;
5721
5722 switch (func) {
5723 case 0:
5724 ret = read_ldt(ptr, bytecount);
5725 break;
5726 case 1:
5727 ret = write_ldt(env, ptr, bytecount, 1);
5728 break;
5729 case 0x11:
5730 ret = write_ldt(env, ptr, bytecount, 0);
5731 break;
5732 default:
5733 ret = -TARGET_ENOSYS;
5734 break;
5735 }
5736 return ret;
5737}
5738
5739#if defined(TARGET_I386) && defined(TARGET_ABI32)
5740abi_long do_set_thread_area(CPUX86State *env, abi_ulong ptr)
5741{
5742 uint64_t *gdt_table = g2h(env->gdt.base);
5743 struct target_modify_ldt_ldt_s ldt_info;
5744 struct target_modify_ldt_ldt_s *target_ldt_info;
5745 int seg_32bit, contents, read_exec_only, limit_in_pages;
5746 int seg_not_present, useable, lm;
5747 uint32_t *lp, entry_1, entry_2;
5748 int i;
5749
5750 lock_user_struct(VERIFY_WRITE, target_ldt_info, ptr, 1);
5751 if (!target_ldt_info)
5752 return -TARGET_EFAULT;
5753 ldt_info.entry_number = tswap32(target_ldt_info->entry_number);
5754 ldt_info.base_addr = tswapal(target_ldt_info->base_addr);
5755 ldt_info.limit = tswap32(target_ldt_info->limit);
5756 ldt_info.flags = tswap32(target_ldt_info->flags);
5757 if (ldt_info.entry_number == -1) {
5758 for (i=TARGET_GDT_ENTRY_TLS_MIN; i<=TARGET_GDT_ENTRY_TLS_MAX; i++) {
5759 if (gdt_table[i] == 0) {
5760 ldt_info.entry_number = i;
5761 target_ldt_info->entry_number = tswap32(i);
5762 break;
5763 }
5764 }
5765 }
5766 unlock_user_struct(target_ldt_info, ptr, 1);
5767
5768 if (ldt_info.entry_number < TARGET_GDT_ENTRY_TLS_MIN ||
5769 ldt_info.entry_number > TARGET_GDT_ENTRY_TLS_MAX)
5770 return -TARGET_EINVAL;
5771 seg_32bit = ldt_info.flags & 1;
5772 contents = (ldt_info.flags >> 1) & 3;
5773 read_exec_only = (ldt_info.flags >> 3) & 1;
5774 limit_in_pages = (ldt_info.flags >> 4) & 1;
5775 seg_not_present = (ldt_info.flags >> 5) & 1;
5776 useable = (ldt_info.flags >> 6) & 1;
5777#ifdef TARGET_ABI32
5778 lm = 0;
5779#else
5780 lm = (ldt_info.flags >> 7) & 1;
5781#endif
5782
5783 if (contents == 3) {
5784 if (seg_not_present == 0)
5785 return -TARGET_EINVAL;
5786 }
5787
5788
5789
5790 if (ldt_info.base_addr == 0 && ldt_info.limit == 0) {
5791 if ((contents == 0 &&
5792 read_exec_only == 1 &&
5793 seg_32bit == 0 &&
5794 limit_in_pages == 0 &&
5795 seg_not_present == 1 &&
5796 useable == 0 )) {
5797 entry_1 = 0;
5798 entry_2 = 0;
5799 goto install;
5800 }
5801 }
5802
5803 entry_1 = ((ldt_info.base_addr & 0x0000ffff) << 16) |
5804 (ldt_info.limit & 0x0ffff);
5805 entry_2 = (ldt_info.base_addr & 0xff000000) |
5806 ((ldt_info.base_addr & 0x00ff0000) >> 16) |
5807 (ldt_info.limit & 0xf0000) |
5808 ((read_exec_only ^ 1) << 9) |
5809 (contents << 10) |
5810 ((seg_not_present ^ 1) << 15) |
5811 (seg_32bit << 22) |
5812 (limit_in_pages << 23) |
5813 (useable << 20) |
5814 (lm << 21) |
5815 0x7000;
5816
5817
5818install:
5819 lp = (uint32_t *)(gdt_table + ldt_info.entry_number);
5820 lp[0] = tswap32(entry_1);
5821 lp[1] = tswap32(entry_2);
5822 return 0;
5823}
5824
5825static abi_long do_get_thread_area(CPUX86State *env, abi_ulong ptr)
5826{
5827 struct target_modify_ldt_ldt_s *target_ldt_info;
5828 uint64_t *gdt_table = g2h(env->gdt.base);
5829 uint32_t base_addr, limit, flags;
5830 int seg_32bit, contents, read_exec_only, limit_in_pages, idx;
5831 int seg_not_present, useable, lm;
5832 uint32_t *lp, entry_1, entry_2;
5833
5834 lock_user_struct(VERIFY_WRITE, target_ldt_info, ptr, 1);
5835 if (!target_ldt_info)
5836 return -TARGET_EFAULT;
5837 idx = tswap32(target_ldt_info->entry_number);
5838 if (idx < TARGET_GDT_ENTRY_TLS_MIN ||
5839 idx > TARGET_GDT_ENTRY_TLS_MAX) {
5840 unlock_user_struct(target_ldt_info, ptr, 1);
5841 return -TARGET_EINVAL;
5842 }
5843 lp = (uint32_t *)(gdt_table + idx);
5844 entry_1 = tswap32(lp[0]);
5845 entry_2 = tswap32(lp[1]);
5846
5847 read_exec_only = ((entry_2 >> 9) & 1) ^ 1;
5848 contents = (entry_2 >> 10) & 3;
5849 seg_not_present = ((entry_2 >> 15) & 1) ^ 1;
5850 seg_32bit = (entry_2 >> 22) & 1;
5851 limit_in_pages = (entry_2 >> 23) & 1;
5852 useable = (entry_2 >> 20) & 1;
5853#ifdef TARGET_ABI32
5854 lm = 0;
5855#else
5856 lm = (entry_2 >> 21) & 1;
5857#endif
5858 flags = (seg_32bit << 0) | (contents << 1) |
5859 (read_exec_only << 3) | (limit_in_pages << 4) |
5860 (seg_not_present << 5) | (useable << 6) | (lm << 7);
5861 limit = (entry_1 & 0xffff) | (entry_2 & 0xf0000);
5862 base_addr = (entry_1 >> 16) |
5863 (entry_2 & 0xff000000) |
5864 ((entry_2 & 0xff) << 16);
5865 target_ldt_info->base_addr = tswapal(base_addr);
5866 target_ldt_info->limit = tswap32(limit);
5867 target_ldt_info->flags = tswap32(flags);
5868 unlock_user_struct(target_ldt_info, ptr, 1);
5869 return 0;
5870}
5871#endif
5872
5873#ifndef TARGET_ABI32
5874abi_long do_arch_prctl(CPUX86State *env, int code, abi_ulong addr)
5875{
5876 abi_long ret = 0;
5877 abi_ulong val;
5878 int idx;
5879
5880 switch(code) {
5881 case TARGET_ARCH_SET_GS:
5882 case TARGET_ARCH_SET_FS:
5883 if (code == TARGET_ARCH_SET_GS)
5884 idx = R_GS;
5885 else
5886 idx = R_FS;
5887 cpu_x86_load_seg(env, idx, 0);
5888 env->segs[idx].base = addr;
5889 break;
5890 case TARGET_ARCH_GET_GS:
5891 case TARGET_ARCH_GET_FS:
5892 if (code == TARGET_ARCH_GET_GS)
5893 idx = R_GS;
5894 else
5895 idx = R_FS;
5896 val = env->segs[idx].base;
5897 if (put_user(val, addr, abi_ulong))
5898 ret = -TARGET_EFAULT;
5899 break;
5900 default:
5901 ret = -TARGET_EINVAL;
5902 break;
5903 }
5904 return ret;
5905}
5906#endif
5907
5908#endif
5909
5910#define NEW_STACK_SIZE 0x40000
5911
5912
5913static pthread_mutex_t clone_lock = PTHREAD_MUTEX_INITIALIZER;
5914typedef struct {
5915 CPUArchState *env;
5916 pthread_mutex_t mutex;
5917 pthread_cond_t cond;
5918 pthread_t thread;
5919 uint32_t tid;
5920 abi_ulong child_tidptr;
5921 abi_ulong parent_tidptr;
5922 sigset_t sigmask;
5923} new_thread_info;
5924
5925static void *clone_func(void *arg)
5926{
5927 new_thread_info *info = arg;
5928 CPUArchState *env;
5929 CPUState *cpu;
5930 TaskState *ts;
5931
5932 rcu_register_thread();
5933 env = info->env;
5934 cpu = ENV_GET_CPU(env);
5935 thread_cpu = cpu;
5936 ts = (TaskState *)cpu->opaque;
5937 info->tid = gettid();
5938 cpu->host_tid = info->tid;
5939 task_settid(ts);
5940 if (info->child_tidptr)
5941 put_user_u32(info->tid, info->child_tidptr);
5942 if (info->parent_tidptr)
5943 put_user_u32(info->tid, info->parent_tidptr);
5944
5945 sigprocmask(SIG_SETMASK, &info->sigmask, NULL);
5946
5947 pthread_mutex_lock(&info->mutex);
5948 pthread_cond_broadcast(&info->cond);
5949 pthread_mutex_unlock(&info->mutex);
5950
5951 pthread_mutex_lock(&clone_lock);
5952 pthread_mutex_unlock(&clone_lock);
5953 cpu_loop(env);
5954
5955 return NULL;
5956}
5957
5958
5959
5960static int do_fork(CPUArchState *env, unsigned int flags, abi_ulong newsp,
5961 abi_ulong parent_tidptr, target_ulong newtls,
5962 abi_ulong child_tidptr)
5963{
5964 CPUState *cpu = ENV_GET_CPU(env);
5965 int ret;
5966 TaskState *ts;
5967 CPUState *new_cpu;
5968 CPUArchState *new_env;
5969 unsigned int nptl_flags;
5970 sigset_t sigmask;
5971
5972
5973 if (flags & CLONE_VFORK)
5974 flags &= ~(CLONE_VFORK | CLONE_VM);
5975
5976 if (flags & CLONE_VM) {
5977 TaskState *parent_ts = (TaskState *)cpu->opaque;
5978 new_thread_info info;
5979 pthread_attr_t attr;
5980
5981 ts = g_new0(TaskState, 1);
5982 init_task_state(ts);
5983
5984 new_env = cpu_copy(env);
5985
5986 cpu_clone_regs(new_env, newsp);
5987 new_cpu = ENV_GET_CPU(new_env);
5988 new_cpu->opaque = ts;
5989 ts->bprm = parent_ts->bprm;
5990 ts->info = parent_ts->info;
5991 ts->signal_mask = parent_ts->signal_mask;
5992 nptl_flags = flags;
5993 flags &= ~CLONE_NPTL_FLAGS2;
5994
5995 if (nptl_flags & CLONE_CHILD_CLEARTID) {
5996 ts->child_tidptr = child_tidptr;
5997 }
5998
5999 if (nptl_flags & CLONE_SETTLS)
6000 cpu_set_tls (new_env, newtls);
6001
6002
6003 pthread_mutex_lock(&clone_lock);
6004
6005 memset(&info, 0, sizeof(info));
6006 pthread_mutex_init(&info.mutex, NULL);
6007 pthread_mutex_lock(&info.mutex);
6008 pthread_cond_init(&info.cond, NULL);
6009 info.env = new_env;
6010 if (nptl_flags & CLONE_CHILD_SETTID)
6011 info.child_tidptr = child_tidptr;
6012 if (nptl_flags & CLONE_PARENT_SETTID)
6013 info.parent_tidptr = parent_tidptr;
6014
6015 ret = pthread_attr_init(&attr);
6016 ret = pthread_attr_setstacksize(&attr, NEW_STACK_SIZE);
6017 ret = pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED);
6018
6019
6020 sigfillset(&sigmask);
6021 sigprocmask(SIG_BLOCK, &sigmask, &info.sigmask);
6022
6023 ret = pthread_create(&info.thread, &attr, clone_func, &info);
6024
6025
6026 sigprocmask(SIG_SETMASK, &info.sigmask, NULL);
6027 pthread_attr_destroy(&attr);
6028 if (ret == 0) {
6029
6030 pthread_cond_wait(&info.cond, &info.mutex);
6031 ret = info.tid;
6032 if (flags & CLONE_PARENT_SETTID)
6033 put_user_u32(ret, parent_tidptr);
6034 } else {
6035 ret = -1;
6036 }
6037 pthread_mutex_unlock(&info.mutex);
6038 pthread_cond_destroy(&info.cond);
6039 pthread_mutex_destroy(&info.mutex);
6040 pthread_mutex_unlock(&clone_lock);
6041 } else {
6042
6043 if ((flags & ~(CSIGNAL | CLONE_NPTL_FLAGS2)) != 0) {
6044 return -TARGET_EINVAL;
6045 }
6046
6047 if (block_signals()) {
6048 return -TARGET_ERESTARTSYS;
6049 }
6050
6051 fork_start();
6052 ret = fork();
6053 if (ret == 0) {
6054
6055 rcu_after_fork();
6056 cpu_clone_regs(env, newsp);
6057 fork_end(1);
6058
6059
6060
6061
6062
6063
6064 if (flags & CLONE_CHILD_SETTID)
6065 put_user_u32(gettid(), child_tidptr);
6066 if (flags & CLONE_PARENT_SETTID)
6067 put_user_u32(gettid(), parent_tidptr);
6068 ts = (TaskState *)cpu->opaque;
6069 if (flags & CLONE_SETTLS)
6070 cpu_set_tls (env, newtls);
6071 if (flags & CLONE_CHILD_CLEARTID)
6072 ts->child_tidptr = child_tidptr;
6073 } else {
6074 fork_end(0);
6075 }
6076 }
6077 return ret;
6078}
6079
6080
6081static int target_to_host_fcntl_cmd(int cmd)
6082{
6083 switch(cmd) {
6084 case TARGET_F_DUPFD:
6085 case TARGET_F_GETFD:
6086 case TARGET_F_SETFD:
6087 case TARGET_F_GETFL:
6088 case TARGET_F_SETFL:
6089 return cmd;
6090 case TARGET_F_GETLK:
6091 return F_GETLK64;
6092 case TARGET_F_SETLK:
6093 return F_SETLK64;
6094 case TARGET_F_SETLKW:
6095 return F_SETLKW64;
6096 case TARGET_F_GETOWN:
6097 return F_GETOWN;
6098 case TARGET_F_SETOWN:
6099 return F_SETOWN;
6100 case TARGET_F_GETSIG:
6101 return F_GETSIG;
6102 case TARGET_F_SETSIG:
6103 return F_SETSIG;
6104#if TARGET_ABI_BITS == 32
6105 case TARGET_F_GETLK64:
6106 return F_GETLK64;
6107 case TARGET_F_SETLK64:
6108 return F_SETLK64;
6109 case TARGET_F_SETLKW64:
6110 return F_SETLKW64;
6111#endif
6112 case TARGET_F_SETLEASE:
6113 return F_SETLEASE;
6114 case TARGET_F_GETLEASE:
6115 return F_GETLEASE;
6116#ifdef F_DUPFD_CLOEXEC
6117 case TARGET_F_DUPFD_CLOEXEC:
6118 return F_DUPFD_CLOEXEC;
6119#endif
6120 case TARGET_F_NOTIFY:
6121 return F_NOTIFY;
6122#ifdef F_GETOWN_EX
6123 case TARGET_F_GETOWN_EX:
6124 return F_GETOWN_EX;
6125#endif
6126#ifdef F_SETOWN_EX
6127 case TARGET_F_SETOWN_EX:
6128 return F_SETOWN_EX;
6129#endif
6130#ifdef F_SETPIPE_SZ
6131 case TARGET_F_SETPIPE_SZ:
6132 return F_SETPIPE_SZ;
6133 case TARGET_F_GETPIPE_SZ:
6134 return F_GETPIPE_SZ;
6135#endif
6136 default:
6137 return -TARGET_EINVAL;
6138 }
6139 return -TARGET_EINVAL;
6140}
6141
6142#define TRANSTBL_CONVERT(a) { -1, TARGET_##a, -1, a }
6143static const bitmask_transtbl flock_tbl[] = {
6144 TRANSTBL_CONVERT(F_RDLCK),
6145 TRANSTBL_CONVERT(F_WRLCK),
6146 TRANSTBL_CONVERT(F_UNLCK),
6147 TRANSTBL_CONVERT(F_EXLCK),
6148 TRANSTBL_CONVERT(F_SHLCK),
6149 { 0, 0, 0, 0 }
6150};
6151
6152static inline abi_long copy_from_user_flock(struct flock64 *fl,
6153 abi_ulong target_flock_addr)
6154{
6155 struct target_flock *target_fl;
6156 short l_type;
6157
6158 if (!lock_user_struct(VERIFY_READ, target_fl, target_flock_addr, 1)) {
6159 return -TARGET_EFAULT;
6160 }
6161
6162 __get_user(l_type, &target_fl->l_type);
6163 fl->l_type = target_to_host_bitmask(l_type, flock_tbl);
6164 __get_user(fl->l_whence, &target_fl->l_whence);
6165 __get_user(fl->l_start, &target_fl->l_start);
6166 __get_user(fl->l_len, &target_fl->l_len);
6167 __get_user(fl->l_pid, &target_fl->l_pid);
6168 unlock_user_struct(target_fl, target_flock_addr, 0);
6169 return 0;
6170}
6171
6172static inline abi_long copy_to_user_flock(abi_ulong target_flock_addr,
6173 const struct flock64 *fl)
6174{
6175 struct target_flock *target_fl;
6176 short l_type;
6177
6178 if (!lock_user_struct(VERIFY_WRITE, target_fl, target_flock_addr, 0)) {
6179 return -TARGET_EFAULT;
6180 }
6181
6182 l_type = host_to_target_bitmask(fl->l_type, flock_tbl);
6183 __put_user(l_type, &target_fl->l_type);
6184 __put_user(fl->l_whence, &target_fl->l_whence);
6185 __put_user(fl->l_start, &target_fl->l_start);
6186 __put_user(fl->l_len, &target_fl->l_len);
6187 __put_user(fl->l_pid, &target_fl->l_pid);
6188 unlock_user_struct(target_fl, target_flock_addr, 1);
6189 return 0;
6190}
6191
6192typedef abi_long from_flock64_fn(struct flock64 *fl, abi_ulong target_addr);
6193typedef abi_long to_flock64_fn(abi_ulong target_addr, const struct flock64 *fl);
6194
6195#if defined(TARGET_ARM) && TARGET_ABI_BITS == 32
6196static inline abi_long copy_from_user_eabi_flock64(struct flock64 *fl,
6197 abi_ulong target_flock_addr)
6198{
6199 struct target_eabi_flock64 *target_fl;
6200 short l_type;
6201
6202 if (!lock_user_struct(VERIFY_READ, target_fl, target_flock_addr, 1)) {
6203 return -TARGET_EFAULT;
6204 }
6205
6206 __get_user(l_type, &target_fl->l_type);
6207 fl->l_type = target_to_host_bitmask(l_type, flock_tbl);
6208 __get_user(fl->l_whence, &target_fl->l_whence);
6209 __get_user(fl->l_start, &target_fl->l_start);
6210 __get_user(fl->l_len, &target_fl->l_len);
6211 __get_user(fl->l_pid, &target_fl->l_pid);
6212 unlock_user_struct(target_fl, target_flock_addr, 0);
6213 return 0;
6214}
6215
6216static inline abi_long copy_to_user_eabi_flock64(abi_ulong target_flock_addr,
6217 const struct flock64 *fl)
6218{
6219 struct target_eabi_flock64 *target_fl;
6220 short l_type;
6221
6222 if (!lock_user_struct(VERIFY_WRITE, target_fl, target_flock_addr, 0)) {
6223 return -TARGET_EFAULT;
6224 }
6225
6226 l_type = host_to_target_bitmask(fl->l_type, flock_tbl);
6227 __put_user(l_type, &target_fl->l_type);
6228 __put_user(fl->l_whence, &target_fl->l_whence);
6229 __put_user(fl->l_start, &target_fl->l_start);
6230 __put_user(fl->l_len, &target_fl->l_len);
6231 __put_user(fl->l_pid, &target_fl->l_pid);
6232 unlock_user_struct(target_fl, target_flock_addr, 1);
6233 return 0;
6234}
6235#endif
6236
6237static inline abi_long copy_from_user_flock64(struct flock64 *fl,
6238 abi_ulong target_flock_addr)
6239{
6240 struct target_flock64 *target_fl;
6241 short l_type;
6242
6243 if (!lock_user_struct(VERIFY_READ, target_fl, target_flock_addr, 1)) {
6244 return -TARGET_EFAULT;
6245 }
6246
6247 __get_user(l_type, &target_fl->l_type);
6248 fl->l_type = target_to_host_bitmask(l_type, flock_tbl);
6249 __get_user(fl->l_whence, &target_fl->l_whence);
6250 __get_user(fl->l_start, &target_fl->l_start);
6251 __get_user(fl->l_len, &target_fl->l_len);
6252 __get_user(fl->l_pid, &target_fl->l_pid);
6253 unlock_user_struct(target_fl, target_flock_addr, 0);
6254 return 0;
6255}
6256
6257static inline abi_long copy_to_user_flock64(abi_ulong target_flock_addr,
6258 const struct flock64 *fl)
6259{
6260 struct target_flock64 *target_fl;
6261 short l_type;
6262
6263 if (!lock_user_struct(VERIFY_WRITE, target_fl, target_flock_addr, 0)) {
6264 return -TARGET_EFAULT;
6265 }
6266
6267 l_type = host_to_target_bitmask(fl->l_type, flock_tbl);
6268 __put_user(l_type, &target_fl->l_type);
6269 __put_user(fl->l_whence, &target_fl->l_whence);
6270 __put_user(fl->l_start, &target_fl->l_start);
6271 __put_user(fl->l_len, &target_fl->l_len);
6272 __put_user(fl->l_pid, &target_fl->l_pid);
6273 unlock_user_struct(target_fl, target_flock_addr, 1);
6274 return 0;
6275}
6276
6277static abi_long do_fcntl(int fd, int cmd, abi_ulong arg)
6278{
6279 struct flock64 fl64;
6280#ifdef F_GETOWN_EX
6281 struct f_owner_ex fox;
6282 struct target_f_owner_ex *target_fox;
6283#endif
6284 abi_long ret;
6285 int host_cmd = target_to_host_fcntl_cmd(cmd);
6286
6287 if (host_cmd == -TARGET_EINVAL)
6288 return host_cmd;
6289
6290 switch(cmd) {
6291 case TARGET_F_GETLK:
6292 ret = copy_from_user_flock(&fl64, arg);
6293 if (ret) {
6294 return ret;
6295 }
6296 ret = get_errno(safe_fcntl(fd, host_cmd, &fl64));
6297 if (ret == 0) {
6298 ret = copy_to_user_flock(arg, &fl64);
6299 }
6300 break;
6301
6302 case TARGET_F_SETLK:
6303 case TARGET_F_SETLKW:
6304 ret = copy_from_user_flock(&fl64, arg);
6305 if (ret) {
6306 return ret;
6307 }
6308 ret = get_errno(safe_fcntl(fd, host_cmd, &fl64));
6309 break;
6310
6311 case TARGET_F_GETLK64:
6312 ret = copy_from_user_flock64(&fl64, arg);
6313 if (ret) {
6314 return ret;
6315 }
6316 ret = get_errno(safe_fcntl(fd, host_cmd, &fl64));
6317 if (ret == 0) {
6318 ret = copy_to_user_flock64(arg, &fl64);
6319 }
6320 break;
6321 case TARGET_F_SETLK64:
6322 case TARGET_F_SETLKW64:
6323 ret = copy_from_user_flock64(&fl64, arg);
6324 if (ret) {
6325 return ret;
6326 }
6327 ret = get_errno(safe_fcntl(fd, host_cmd, &fl64));
6328 break;
6329
6330 case TARGET_F_GETFL:
6331 ret = get_errno(safe_fcntl(fd, host_cmd, arg));
6332 if (ret >= 0) {
6333 ret = host_to_target_bitmask(ret, fcntl_flags_tbl);
6334 }
6335 break;
6336
6337 case TARGET_F_SETFL:
6338 ret = get_errno(safe_fcntl(fd, host_cmd,
6339 target_to_host_bitmask(arg,
6340 fcntl_flags_tbl)));
6341 break;
6342
6343#ifdef F_GETOWN_EX
6344 case TARGET_F_GETOWN_EX:
6345 ret = get_errno(safe_fcntl(fd, host_cmd, &fox));
6346 if (ret >= 0) {
6347 if (!lock_user_struct(VERIFY_WRITE, target_fox, arg, 0))
6348 return -TARGET_EFAULT;
6349 target_fox->type = tswap32(fox.type);
6350 target_fox->pid = tswap32(fox.pid);
6351 unlock_user_struct(target_fox, arg, 1);
6352 }
6353 break;
6354#endif
6355
6356#ifdef F_SETOWN_EX
6357 case TARGET_F_SETOWN_EX:
6358 if (!lock_user_struct(VERIFY_READ, target_fox, arg, 1))
6359 return -TARGET_EFAULT;
6360 fox.type = tswap32(target_fox->type);
6361 fox.pid = tswap32(target_fox->pid);
6362 unlock_user_struct(target_fox, arg, 0);
6363 ret = get_errno(safe_fcntl(fd, host_cmd, &fox));
6364 break;
6365#endif
6366
6367 case TARGET_F_SETOWN:
6368 case TARGET_F_GETOWN:
6369 case TARGET_F_SETSIG:
6370 case TARGET_F_GETSIG:
6371 case TARGET_F_SETLEASE:
6372 case TARGET_F_GETLEASE:
6373 case TARGET_F_SETPIPE_SZ:
6374 case TARGET_F_GETPIPE_SZ:
6375 ret = get_errno(safe_fcntl(fd, host_cmd, arg));
6376 break;
6377
6378 default:
6379 ret = get_errno(safe_fcntl(fd, cmd, arg));
6380 break;
6381 }
6382 return ret;
6383}
6384
6385#ifdef USE_UID16
6386
6387static inline int high2lowuid(int uid)
6388{
6389 if (uid > 65535)
6390 return 65534;
6391 else
6392 return uid;
6393}
6394
6395static inline int high2lowgid(int gid)
6396{
6397 if (gid > 65535)
6398 return 65534;
6399 else
6400 return gid;
6401}
6402
6403static inline int low2highuid(int uid)
6404{
6405 if ((int16_t)uid == -1)
6406 return -1;
6407 else
6408 return uid;
6409}
6410
6411static inline int low2highgid(int gid)
6412{
6413 if ((int16_t)gid == -1)
6414 return -1;
6415 else
6416 return gid;
6417}
6418static inline int tswapid(int id)
6419{
6420 return tswap16(id);
6421}
6422
6423#define put_user_id(x, gaddr) put_user_u16(x, gaddr)
6424
6425#else
6426static inline int high2lowuid(int uid)
6427{
6428 return uid;
6429}
6430static inline int high2lowgid(int gid)
6431{
6432 return gid;
6433}
6434static inline int low2highuid(int uid)
6435{
6436 return uid;
6437}
6438static inline int low2highgid(int gid)
6439{
6440 return gid;
6441}
6442static inline int tswapid(int id)
6443{
6444 return tswap32(id);
6445}
6446
6447#define put_user_id(x, gaddr) put_user_u32(x, gaddr)
6448
6449#endif
6450
6451
6452
6453
6454
6455
6456
6457
6458
6459#ifdef __NR_setuid32
6460#define __NR_sys_setuid __NR_setuid32
6461#else
6462#define __NR_sys_setuid __NR_setuid
6463#endif
6464#ifdef __NR_setgid32
6465#define __NR_sys_setgid __NR_setgid32
6466#else
6467#define __NR_sys_setgid __NR_setgid
6468#endif
6469#ifdef __NR_setresuid32
6470#define __NR_sys_setresuid __NR_setresuid32
6471#else
6472#define __NR_sys_setresuid __NR_setresuid
6473#endif
6474#ifdef __NR_setresgid32
6475#define __NR_sys_setresgid __NR_setresgid32
6476#else
6477#define __NR_sys_setresgid __NR_setresgid
6478#endif
6479
6480_syscall1(int, sys_setuid, uid_t, uid)
6481_syscall1(int, sys_setgid, gid_t, gid)
6482_syscall3(int, sys_setresuid, uid_t, ruid, uid_t, euid, uid_t, suid)
6483_syscall3(int, sys_setresgid, gid_t, rgid, gid_t, egid, gid_t, sgid)
6484
6485void syscall_init(void)
6486{
6487 IOCTLEntry *ie;
6488 const argtype *arg_type;
6489 int size;
6490 int i;
6491
6492 thunk_init(STRUCT_MAX);
6493
6494#define STRUCT(name, ...) thunk_register_struct(STRUCT_ ## name, #name, struct_ ## name ## _def);
6495#define STRUCT_SPECIAL(name) thunk_register_struct_direct(STRUCT_ ## name, #name, &struct_ ## name ## _def);
6496#include "syscall_types.h"
6497#undef STRUCT
6498#undef STRUCT_SPECIAL
6499
6500
6501
6502 for (i = 0; i < ERRNO_TABLE_SIZE; i++) {
6503 target_to_host_errno_table[host_to_target_errno_table[i]] = i;
6504 }
6505
6506
6507
6508 ie = ioctl_entries;
6509 while (ie->target_cmd != 0) {
6510 if (((ie->target_cmd >> TARGET_IOC_SIZESHIFT) & TARGET_IOC_SIZEMASK) ==
6511 TARGET_IOC_SIZEMASK) {
6512 arg_type = ie->arg_type;
6513 if (arg_type[0] != TYPE_PTR) {
6514 fprintf(stderr, "cannot patch size for ioctl 0x%x\n",
6515 ie->target_cmd);
6516 exit(1);
6517 }
6518 arg_type++;
6519 size = thunk_type_size(arg_type, 0);
6520 ie->target_cmd = (ie->target_cmd &
6521 ~(TARGET_IOC_SIZEMASK << TARGET_IOC_SIZESHIFT)) |
6522 (size << TARGET_IOC_SIZESHIFT);
6523 }
6524
6525
6526#if (defined(__i386__) && defined(TARGET_I386) && defined(TARGET_ABI32)) || \
6527 (defined(__x86_64__) && defined(TARGET_X86_64))
6528 if (unlikely(ie->target_cmd != ie->host_cmd)) {
6529 fprintf(stderr, "ERROR: ioctl(%s): target=0x%x host=0x%x\n",
6530 ie->name, ie->target_cmd, ie->host_cmd);
6531 }
6532#endif
6533 ie++;
6534 }
6535}
6536
6537#if TARGET_ABI_BITS == 32
6538static inline uint64_t target_offset64(uint32_t word0, uint32_t word1)
6539{
6540#ifdef TARGET_WORDS_BIGENDIAN
6541 return ((uint64_t)word0 << 32) | word1;
6542#else
6543 return ((uint64_t)word1 << 32) | word0;
6544#endif
6545}
6546#else
6547static inline uint64_t target_offset64(uint64_t word0, uint64_t word1)
6548{
6549 return word0;
6550}
6551#endif
6552
6553#ifdef TARGET_NR_truncate64
6554static inline abi_long target_truncate64(void *cpu_env, const char *arg1,
6555 abi_long arg2,
6556 abi_long arg3,
6557 abi_long arg4)
6558{
6559 if (regpairs_aligned(cpu_env)) {
6560 arg2 = arg3;
6561 arg3 = arg4;
6562 }
6563 return get_errno(truncate64(arg1, target_offset64(arg2, arg3)));
6564}
6565#endif
6566
6567#ifdef TARGET_NR_ftruncate64
6568static inline abi_long target_ftruncate64(void *cpu_env, abi_long arg1,
6569 abi_long arg2,
6570 abi_long arg3,
6571 abi_long arg4)
6572{
6573 if (regpairs_aligned(cpu_env)) {
6574 arg2 = arg3;
6575 arg3 = arg4;
6576 }
6577 return get_errno(ftruncate64(arg1, target_offset64(arg2, arg3)));
6578}
6579#endif
6580
6581static inline abi_long target_to_host_timespec(struct timespec *host_ts,
6582 abi_ulong target_addr)
6583{
6584 struct target_timespec *target_ts;
6585
6586 if (!lock_user_struct(VERIFY_READ, target_ts, target_addr, 1))
6587 return -TARGET_EFAULT;
6588 __get_user(host_ts->tv_sec, &target_ts->tv_sec);
6589 __get_user(host_ts->tv_nsec, &target_ts->tv_nsec);
6590 unlock_user_struct(target_ts, target_addr, 0);
6591 return 0;
6592}
6593
6594static inline abi_long host_to_target_timespec(abi_ulong target_addr,
6595 struct timespec *host_ts)
6596{
6597 struct target_timespec *target_ts;
6598
6599 if (!lock_user_struct(VERIFY_WRITE, target_ts, target_addr, 0))
6600 return -TARGET_EFAULT;
6601 __put_user(host_ts->tv_sec, &target_ts->tv_sec);
6602 __put_user(host_ts->tv_nsec, &target_ts->tv_nsec);
6603 unlock_user_struct(target_ts, target_addr, 1);
6604 return 0;
6605}
6606
6607static inline abi_long target_to_host_itimerspec(struct itimerspec *host_itspec,
6608 abi_ulong target_addr)
6609{
6610 struct target_itimerspec *target_itspec;
6611
6612 if (!lock_user_struct(VERIFY_READ, target_itspec, target_addr, 1)) {
6613 return -TARGET_EFAULT;
6614 }
6615
6616 host_itspec->it_interval.tv_sec =
6617 tswapal(target_itspec->it_interval.tv_sec);
6618 host_itspec->it_interval.tv_nsec =
6619 tswapal(target_itspec->it_interval.tv_nsec);
6620 host_itspec->it_value.tv_sec = tswapal(target_itspec->it_value.tv_sec);
6621 host_itspec->it_value.tv_nsec = tswapal(target_itspec->it_value.tv_nsec);
6622
6623 unlock_user_struct(target_itspec, target_addr, 1);
6624 return 0;
6625}
6626
6627static inline abi_long host_to_target_itimerspec(abi_ulong target_addr,
6628 struct itimerspec *host_its)
6629{
6630 struct target_itimerspec *target_itspec;
6631
6632 if (!lock_user_struct(VERIFY_WRITE, target_itspec, target_addr, 0)) {
6633 return -TARGET_EFAULT;
6634 }
6635
6636 target_itspec->it_interval.tv_sec = tswapal(host_its->it_interval.tv_sec);
6637 target_itspec->it_interval.tv_nsec = tswapal(host_its->it_interval.tv_nsec);
6638
6639 target_itspec->it_value.tv_sec = tswapal(host_its->it_value.tv_sec);
6640 target_itspec->it_value.tv_nsec = tswapal(host_its->it_value.tv_nsec);
6641
6642 unlock_user_struct(target_itspec, target_addr, 0);
6643 return 0;
6644}
6645
6646static inline abi_long target_to_host_sigevent(struct sigevent *host_sevp,
6647 abi_ulong target_addr)
6648{
6649 struct target_sigevent *target_sevp;
6650
6651 if (!lock_user_struct(VERIFY_READ, target_sevp, target_addr, 1)) {
6652 return -TARGET_EFAULT;
6653 }
6654
6655
6656
6657
6658
6659
6660
6661 host_sevp->sigev_value.sival_ptr =
6662 (void *)(uintptr_t)tswapal(target_sevp->sigev_value.sival_ptr);
6663 host_sevp->sigev_signo =
6664 target_to_host_signal(tswap32(target_sevp->sigev_signo));
6665 host_sevp->sigev_notify = tswap32(target_sevp->sigev_notify);
6666 host_sevp->_sigev_un._tid = tswap32(target_sevp->_sigev_un._tid);
6667
6668 unlock_user_struct(target_sevp, target_addr, 1);
6669 return 0;
6670}
6671
6672#if defined(TARGET_NR_mlockall)
6673static inline int target_to_host_mlockall_arg(int arg)
6674{
6675 int result = 0;
6676
6677 if (arg & TARGET_MLOCKALL_MCL_CURRENT) {
6678 result |= MCL_CURRENT;
6679 }
6680 if (arg & TARGET_MLOCKALL_MCL_FUTURE) {
6681 result |= MCL_FUTURE;
6682 }
6683 return result;
6684}
6685#endif
6686
6687static inline abi_long host_to_target_stat64(void *cpu_env,
6688 abi_ulong target_addr,
6689 struct stat *host_st)
6690{
6691#if defined(TARGET_ARM) && defined(TARGET_ABI32)
6692 if (((CPUARMState *)cpu_env)->eabi) {
6693 struct target_eabi_stat64 *target_st;
6694
6695 if (!lock_user_struct(VERIFY_WRITE, target_st, target_addr, 0))
6696 return -TARGET_EFAULT;
6697 memset(target_st, 0, sizeof(struct target_eabi_stat64));
6698 __put_user(host_st->st_dev, &target_st->st_dev);
6699 __put_user(host_st->st_ino, &target_st->st_ino);
6700#ifdef TARGET_STAT64_HAS_BROKEN_ST_INO
6701 __put_user(host_st->st_ino, &target_st->__st_ino);
6702#endif
6703 __put_user(host_st->st_mode, &target_st->st_mode);
6704 __put_user(host_st->st_nlink, &target_st->st_nlink);
6705 __put_user(host_st->st_uid, &target_st->st_uid);
6706 __put_user(host_st->st_gid, &target_st->st_gid);
6707 __put_user(host_st->st_rdev, &target_st->st_rdev);
6708 __put_user(host_st->st_size, &target_st->st_size);
6709 __put_user(host_st->st_blksize, &target_st->st_blksize);
6710 __put_user(host_st->st_blocks, &target_st->st_blocks);
6711 __put_user(host_st->st_atime, &target_st->target_st_atime);
6712 __put_user(host_st->st_mtime, &target_st->target_st_mtime);
6713 __put_user(host_st->st_ctime, &target_st->target_st_ctime);
6714 unlock_user_struct(target_st, target_addr, 1);
6715 } else
6716#endif
6717 {
6718#if defined(TARGET_HAS_STRUCT_STAT64)
6719 struct target_stat64 *target_st;
6720#else
6721 struct target_stat *target_st;
6722#endif
6723
6724 if (!lock_user_struct(VERIFY_WRITE, target_st, target_addr, 0))
6725 return -TARGET_EFAULT;
6726 memset(target_st, 0, sizeof(*target_st));
6727 __put_user(host_st->st_dev, &target_st->st_dev);
6728 __put_user(host_st->st_ino, &target_st->st_ino);
6729#ifdef TARGET_STAT64_HAS_BROKEN_ST_INO
6730 __put_user(host_st->st_ino, &target_st->__st_ino);
6731#endif
6732 __put_user(host_st->st_mode, &target_st->st_mode);
6733 __put_user(host_st->st_nlink, &target_st->st_nlink);
6734 __put_user(host_st->st_uid, &target_st->st_uid);
6735 __put_user(host_st->st_gid, &target_st->st_gid);
6736 __put_user(host_st->st_rdev, &target_st->st_rdev);
6737
6738 __put_user(host_st->st_size, &target_st->st_size);
6739 __put_user(host_st->st_blksize, &target_st->st_blksize);
6740 __put_user(host_st->st_blocks, &target_st->st_blocks);
6741 __put_user(host_st->st_atime, &target_st->target_st_atime);
6742 __put_user(host_st->st_mtime, &target_st->target_st_mtime);
6743 __put_user(host_st->st_ctime, &target_st->target_st_ctime);
6744 unlock_user_struct(target_st, target_addr, 1);
6745 }
6746
6747 return 0;
6748}
6749
6750
6751
6752
6753
6754
6755static int do_futex(target_ulong uaddr, int op, int val, target_ulong timeout,
6756 target_ulong uaddr2, int val3)
6757{
6758 struct timespec ts, *pts;
6759 int base_op;
6760
6761
6762
6763#ifdef FUTEX_CMD_MASK
6764 base_op = op & FUTEX_CMD_MASK;
6765#else
6766 base_op = op;
6767#endif
6768 switch (base_op) {
6769 case FUTEX_WAIT:
6770 case FUTEX_WAIT_BITSET:
6771 if (timeout) {
6772 pts = &ts;
6773 target_to_host_timespec(pts, timeout);
6774 } else {
6775 pts = NULL;
6776 }
6777 return get_errno(safe_futex(g2h(uaddr), op, tswap32(val),
6778 pts, NULL, val3));
6779 case FUTEX_WAKE:
6780 return get_errno(safe_futex(g2h(uaddr), op, val, NULL, NULL, 0));
6781 case FUTEX_FD:
6782 return get_errno(safe_futex(g2h(uaddr), op, val, NULL, NULL, 0));
6783 case FUTEX_REQUEUE:
6784 case FUTEX_CMP_REQUEUE:
6785 case FUTEX_WAKE_OP:
6786
6787
6788
6789
6790
6791 pts = (struct timespec *)(uintptr_t) timeout;
6792 return get_errno(safe_futex(g2h(uaddr), op, val, pts,
6793 g2h(uaddr2),
6794 (base_op == FUTEX_CMP_REQUEUE
6795 ? tswap32(val3)
6796 : val3)));
6797 default:
6798 return -TARGET_ENOSYS;
6799 }
6800}
6801#if defined(TARGET_NR_name_to_handle_at) && defined(CONFIG_OPEN_BY_HANDLE)
6802static abi_long do_name_to_handle_at(abi_long dirfd, abi_long pathname,
6803 abi_long handle, abi_long mount_id,
6804 abi_long flags)
6805{
6806 struct file_handle *target_fh;
6807 struct file_handle *fh;
6808 int mid = 0;
6809 abi_long ret;
6810 char *name;
6811 unsigned int size, total_size;
6812
6813 if (get_user_s32(size, handle)) {
6814 return -TARGET_EFAULT;
6815 }
6816
6817 name = lock_user_string(pathname);
6818 if (!name) {
6819 return -TARGET_EFAULT;
6820 }
6821
6822 total_size = sizeof(struct file_handle) + size;
6823 target_fh = lock_user(VERIFY_WRITE, handle, total_size, 0);
6824 if (!target_fh) {
6825 unlock_user(name, pathname, 0);
6826 return -TARGET_EFAULT;
6827 }
6828
6829 fh = g_malloc0(total_size);
6830 fh->handle_bytes = size;
6831
6832 ret = get_errno(name_to_handle_at(dirfd, path(name), fh, &mid, flags));
6833 unlock_user(name, pathname, 0);
6834
6835
6836
6837
6838
6839
6840 memcpy(target_fh, fh, total_size);
6841 target_fh->handle_bytes = tswap32(fh->handle_bytes);
6842 target_fh->handle_type = tswap32(fh->handle_type);
6843 g_free(fh);
6844 unlock_user(target_fh, handle, total_size);
6845
6846 if (put_user_s32(mid, mount_id)) {
6847 return -TARGET_EFAULT;
6848 }
6849
6850 return ret;
6851
6852}
6853#endif
6854
6855#if defined(TARGET_NR_open_by_handle_at) && defined(CONFIG_OPEN_BY_HANDLE)
6856static abi_long do_open_by_handle_at(abi_long mount_fd, abi_long handle,
6857 abi_long flags)
6858{
6859 struct file_handle *target_fh;
6860 struct file_handle *fh;
6861 unsigned int size, total_size;
6862 abi_long ret;
6863
6864 if (get_user_s32(size, handle)) {
6865 return -TARGET_EFAULT;
6866 }
6867
6868 total_size = sizeof(struct file_handle) + size;
6869 target_fh = lock_user(VERIFY_READ, handle, total_size, 1);
6870 if (!target_fh) {
6871 return -TARGET_EFAULT;
6872 }
6873
6874 fh = g_memdup(target_fh, total_size);
6875 fh->handle_bytes = size;
6876 fh->handle_type = tswap32(target_fh->handle_type);
6877
6878 ret = get_errno(open_by_handle_at(mount_fd, fh,
6879 target_to_host_bitmask(flags, fcntl_flags_tbl)));
6880
6881 g_free(fh);
6882
6883 unlock_user(target_fh, handle, total_size);
6884
6885 return ret;
6886}
6887#endif
6888
6889#if defined(TARGET_NR_signalfd) || defined(TARGET_NR_signalfd4)
6890
6891
6892
6893static void
6894host_to_target_signalfd_siginfo(struct signalfd_siginfo *tinfo,
6895 const struct signalfd_siginfo *info)
6896{
6897 int sig = host_to_target_signal(info->ssi_signo);
6898
6899
6900
6901
6902
6903#ifdef BUS_MCEERR_AO
6904 if (tinfo->ssi_signo == SIGBUS &&
6905 (tinfo->ssi_code == BUS_MCEERR_AR ||
6906 tinfo->ssi_code == BUS_MCEERR_AO)) {
6907 uint16_t *ssi_addr_lsb = (uint16_t *)(&info->ssi_addr + 1);
6908 uint16_t *tssi_addr_lsb = (uint16_t *)(&tinfo->ssi_addr + 1);
6909 *tssi_addr_lsb = tswap16(*ssi_addr_lsb);
6910 }
6911#endif
6912
6913 tinfo->ssi_signo = tswap32(sig);
6914 tinfo->ssi_errno = tswap32(tinfo->ssi_errno);
6915 tinfo->ssi_code = tswap32(info->ssi_code);
6916 tinfo->ssi_pid = tswap32(info->ssi_pid);
6917 tinfo->ssi_uid = tswap32(info->ssi_uid);
6918 tinfo->ssi_fd = tswap32(info->ssi_fd);
6919 tinfo->ssi_tid = tswap32(info->ssi_tid);
6920 tinfo->ssi_band = tswap32(info->ssi_band);
6921 tinfo->ssi_overrun = tswap32(info->ssi_overrun);
6922 tinfo->ssi_trapno = tswap32(info->ssi_trapno);
6923 tinfo->ssi_status = tswap32(info->ssi_status);
6924 tinfo->ssi_int = tswap32(info->ssi_int);
6925 tinfo->ssi_ptr = tswap64(info->ssi_ptr);
6926 tinfo->ssi_utime = tswap64(info->ssi_utime);
6927 tinfo->ssi_stime = tswap64(info->ssi_stime);
6928 tinfo->ssi_addr = tswap64(info->ssi_addr);
6929}
6930
6931static abi_long host_to_target_data_signalfd(void *buf, size_t len)
6932{
6933 int i;
6934
6935 for (i = 0; i < len; i += sizeof(struct signalfd_siginfo)) {
6936 host_to_target_signalfd_siginfo(buf + i, buf + i);
6937 }
6938
6939 return len;
6940}
6941
6942static TargetFdTrans target_signalfd_trans = {
6943 .host_to_target_data = host_to_target_data_signalfd,
6944};
6945
6946static abi_long do_signalfd4(int fd, abi_long mask, int flags)
6947{
6948 int host_flags;
6949 target_sigset_t *target_mask;
6950 sigset_t host_mask;
6951 abi_long ret;
6952
6953 if (flags & ~(TARGET_O_NONBLOCK | TARGET_O_CLOEXEC)) {
6954 return -TARGET_EINVAL;
6955 }
6956 if (!lock_user_struct(VERIFY_READ, target_mask, mask, 1)) {
6957 return -TARGET_EFAULT;
6958 }
6959
6960 target_to_host_sigset(&host_mask, target_mask);
6961
6962 host_flags = target_to_host_bitmask(flags, fcntl_flags_tbl);
6963
6964 ret = get_errno(signalfd(fd, &host_mask, host_flags));
6965 if (ret >= 0) {
6966 fd_trans_register(ret, &target_signalfd_trans);
6967 }
6968
6969 unlock_user_struct(target_mask, mask, 0);
6970
6971 return ret;
6972}
6973#endif
6974
6975
6976
6977int host_to_target_waitstatus(int status)
6978{
6979 if (WIFSIGNALED(status)) {
6980 return host_to_target_signal(WTERMSIG(status)) | (status & ~0x7f);
6981 }
6982 if (WIFSTOPPED(status)) {
6983 return (host_to_target_signal(WSTOPSIG(status)) << 8)
6984 | (status & 0xff);
6985 }
6986 return status;
6987}
6988
6989static int open_self_cmdline(void *cpu_env, int fd)
6990{
6991 int fd_orig = -1;
6992 bool word_skipped = false;
6993
6994 fd_orig = open("/proc/self/cmdline", O_RDONLY);
6995 if (fd_orig < 0) {
6996 return fd_orig;
6997 }
6998
6999 while (true) {
7000 ssize_t nb_read;
7001 char buf[128];
7002 char *cp_buf = buf;
7003
7004 nb_read = read(fd_orig, buf, sizeof(buf));
7005 if (nb_read < 0) {
7006 int e = errno;
7007 fd_orig = close(fd_orig);
7008 errno = e;
7009 return -1;
7010 } else if (nb_read == 0) {
7011 break;
7012 }
7013
7014 if (!word_skipped) {
7015
7016
7017 cp_buf = memchr(buf, 0, nb_read);
7018 if (cp_buf) {
7019
7020 cp_buf++;
7021 nb_read -= cp_buf - buf;
7022 word_skipped = true;
7023 }
7024 }
7025
7026 if (word_skipped) {
7027 if (write(fd, cp_buf, nb_read) != nb_read) {
7028 int e = errno;
7029 close(fd_orig);
7030 errno = e;
7031 return -1;
7032 }
7033 }
7034 }
7035
7036 return close(fd_orig);
7037}
7038
7039static int open_self_maps(void *cpu_env, int fd)
7040{
7041 CPUState *cpu = ENV_GET_CPU((CPUArchState *)cpu_env);
7042 TaskState *ts = cpu->opaque;
7043 FILE *fp;
7044 char *line = NULL;
7045 size_t len = 0;
7046 ssize_t read;
7047
7048 fp = fopen("/proc/self/maps", "r");
7049 if (fp == NULL) {
7050 return -1;
7051 }
7052
7053 while ((read = getline(&line, &len, fp)) != -1) {
7054 int fields, dev_maj, dev_min, inode;
7055 uint64_t min, max, offset;
7056 char flag_r, flag_w, flag_x, flag_p;
7057 char path[512] = "";
7058 fields = sscanf(line, "%"PRIx64"-%"PRIx64" %c%c%c%c %"PRIx64" %x:%x %d"
7059 " %512s", &min, &max, &flag_r, &flag_w, &flag_x,
7060 &flag_p, &offset, &dev_maj, &dev_min, &inode, path);
7061
7062 if ((fields < 10) || (fields > 11)) {
7063 continue;
7064 }
7065 if (h2g_valid(min)) {
7066 int flags = page_get_flags(h2g(min));
7067 max = h2g_valid(max - 1) ? max : (uintptr_t)g2h(GUEST_ADDR_MAX);
7068 if (page_check_range(h2g(min), max - min, flags) == -1) {
7069 continue;
7070 }
7071 if (h2g(min) == ts->info->stack_limit) {
7072 pstrcpy(path, sizeof(path), " [stack]");
7073 }
7074 dprintf(fd, TARGET_ABI_FMT_lx "-" TARGET_ABI_FMT_lx
7075 " %c%c%c%c %08" PRIx64 " %02x:%02x %d %s%s\n",
7076 h2g(min), h2g(max - 1) + 1, flag_r, flag_w,
7077 flag_x, flag_p, offset, dev_maj, dev_min, inode,
7078 path[0] ? " " : "", path);
7079 }
7080 }
7081
7082 free(line);
7083 fclose(fp);
7084
7085 return 0;
7086}
7087
7088static int open_self_stat(void *cpu_env, int fd)
7089{
7090 CPUState *cpu = ENV_GET_CPU((CPUArchState *)cpu_env);
7091 TaskState *ts = cpu->opaque;
7092 abi_ulong start_stack = ts->info->start_stack;
7093 int i;
7094
7095 for (i = 0; i < 44; i++) {
7096 char buf[128];
7097 int len;
7098 uint64_t val = 0;
7099
7100 if (i == 0) {
7101
7102 val = getpid();
7103 snprintf(buf, sizeof(buf), "%"PRId64 " ", val);
7104 } else if (i == 1) {
7105
7106 snprintf(buf, sizeof(buf), "(%s) ", ts->bprm->argv[0]);
7107 } else if (i == 27) {
7108
7109 val = start_stack;
7110 snprintf(buf, sizeof(buf), "%"PRId64 " ", val);
7111 } else {
7112
7113 snprintf(buf, sizeof(buf), "0%c", i == 43 ? '\n' : ' ');
7114 }
7115
7116 len = strlen(buf);
7117 if (write(fd, buf, len) != len) {
7118 return -1;
7119 }
7120 }
7121
7122 return 0;
7123}
7124
7125static int open_self_auxv(void *cpu_env, int fd)
7126{
7127 CPUState *cpu = ENV_GET_CPU((CPUArchState *)cpu_env);
7128 TaskState *ts = cpu->opaque;
7129 abi_ulong auxv = ts->info->saved_auxv;
7130 abi_ulong len = ts->info->auxv_len;
7131 char *ptr;
7132
7133
7134
7135
7136
7137 ptr = lock_user(VERIFY_READ, auxv, len, 0);
7138 if (ptr != NULL) {
7139 while (len > 0) {
7140 ssize_t r;
7141 r = write(fd, ptr, len);
7142 if (r <= 0) {
7143 break;
7144 }
7145 len -= r;
7146 ptr += r;
7147 }
7148 lseek(fd, 0, SEEK_SET);
7149 unlock_user(ptr, auxv, len);
7150 }
7151
7152 return 0;
7153}
7154
7155static int is_proc_myself(const char *filename, const char *entry)
7156{
7157 if (!strncmp(filename, "/proc/", strlen("/proc/"))) {
7158 filename += strlen("/proc/");
7159 if (!strncmp(filename, "self/", strlen("self/"))) {
7160 filename += strlen("self/");
7161 } else if (*filename >= '1' && *filename <= '9') {
7162 char myself[80];
7163 snprintf(myself, sizeof(myself), "%d/", getpid());
7164 if (!strncmp(filename, myself, strlen(myself))) {
7165 filename += strlen(myself);
7166 } else {
7167 return 0;
7168 }
7169 } else {
7170 return 0;
7171 }
7172 if (!strcmp(filename, entry)) {
7173 return 1;
7174 }
7175 }
7176 return 0;
7177}
7178
7179#if defined(HOST_WORDS_BIGENDIAN) != defined(TARGET_WORDS_BIGENDIAN)
7180static int is_proc(const char *filename, const char *entry)
7181{
7182 return strcmp(filename, entry) == 0;
7183}
7184
7185static int open_net_route(void *cpu_env, int fd)
7186{
7187 FILE *fp;
7188 char *line = NULL;
7189 size_t len = 0;
7190 ssize_t read;
7191
7192 fp = fopen("/proc/net/route", "r");
7193 if (fp == NULL) {
7194 return -1;
7195 }
7196
7197
7198
7199 read = getline(&line, &len, fp);
7200 dprintf(fd, "%s", line);
7201
7202
7203
7204 while ((read = getline(&line, &len, fp)) != -1) {
7205 char iface[16];
7206 uint32_t dest, gw, mask;
7207 unsigned int flags, refcnt, use, metric, mtu, window, irtt;
7208 sscanf(line, "%s\t%08x\t%08x\t%04x\t%d\t%d\t%d\t%08x\t%d\t%u\t%u\n",
7209 iface, &dest, &gw, &flags, &refcnt, &use, &metric,
7210 &mask, &mtu, &window, &irtt);
7211 dprintf(fd, "%s\t%08x\t%08x\t%04x\t%d\t%d\t%d\t%08x\t%d\t%u\t%u\n",
7212 iface, tswap32(dest), tswap32(gw), flags, refcnt, use,
7213 metric, tswap32(mask), mtu, window, irtt);
7214 }
7215
7216 free(line);
7217 fclose(fp);
7218
7219 return 0;
7220}
7221#endif
7222
7223static int do_openat(void *cpu_env, int dirfd, const char *pathname, int flags, mode_t mode)
7224{
7225 struct fake_open {
7226 const char *filename;
7227 int (*fill)(void *cpu_env, int fd);
7228 int (*cmp)(const char *s1, const char *s2);
7229 };
7230 const struct fake_open *fake_open;
7231 static const struct fake_open fakes[] = {
7232 { "maps", open_self_maps, is_proc_myself },
7233 { "stat", open_self_stat, is_proc_myself },
7234 { "auxv", open_self_auxv, is_proc_myself },
7235 { "cmdline", open_self_cmdline, is_proc_myself },
7236#if defined(HOST_WORDS_BIGENDIAN) != defined(TARGET_WORDS_BIGENDIAN)
7237 { "/proc/net/route", open_net_route, is_proc },
7238#endif
7239 { NULL, NULL, NULL }
7240 };
7241
7242 if (is_proc_myself(pathname, "exe")) {
7243 int execfd = qemu_getauxval(AT_EXECFD);
7244 return execfd ? execfd : safe_openat(dirfd, exec_path, flags, mode);
7245 }
7246
7247 for (fake_open = fakes; fake_open->filename; fake_open++) {
7248 if (fake_open->cmp(pathname, fake_open->filename)) {
7249 break;
7250 }
7251 }
7252
7253 if (fake_open->filename) {
7254 const char *tmpdir;
7255 char filename[PATH_MAX];
7256 int fd, r;
7257
7258
7259 tmpdir = getenv("TMPDIR");
7260 if (!tmpdir)
7261 tmpdir = "/tmp";
7262 snprintf(filename, sizeof(filename), "%s/qemu-open.XXXXXX", tmpdir);
7263 fd = mkstemp(filename);
7264 if (fd < 0) {
7265 return fd;
7266 }
7267 unlink(filename);
7268
7269 if ((r = fake_open->fill(cpu_env, fd))) {
7270 int e = errno;
7271 close(fd);
7272 errno = e;
7273 return r;
7274 }
7275 lseek(fd, 0, SEEK_SET);
7276
7277 return fd;
7278 }
7279
7280 return safe_openat(dirfd, path(pathname), flags, mode);
7281}
7282
7283#define TIMER_MAGIC 0x0caf0000
7284#define TIMER_MAGIC_MASK 0xffff0000
7285
7286
7287static target_timer_t get_timer_id(abi_long arg)
7288{
7289 target_timer_t timerid = arg;
7290
7291 if ((timerid & TIMER_MAGIC_MASK) != TIMER_MAGIC) {
7292 return -TARGET_EINVAL;
7293 }
7294
7295 timerid &= 0xffff;
7296
7297 if (timerid >= ARRAY_SIZE(g_posix_timers)) {
7298 return -TARGET_EINVAL;
7299 }
7300
7301 return timerid;
7302}
7303
7304
7305
7306
7307abi_long do_syscall(void *cpu_env, int num, abi_long arg1,
7308 abi_long arg2, abi_long arg3, abi_long arg4,
7309 abi_long arg5, abi_long arg6, abi_long arg7,
7310 abi_long arg8)
7311{
7312 CPUState *cpu = ENV_GET_CPU(cpu_env);
7313 abi_long ret;
7314 struct stat st;
7315 struct statfs stfs;
7316 void *p;
7317
7318#if defined(DEBUG_ERESTARTSYS)
7319
7320
7321
7322
7323 {
7324 static int flag;
7325
7326 flag = !flag;
7327 if (flag) {
7328 return -TARGET_ERESTARTSYS;
7329 }
7330 }
7331#endif
7332
7333#ifdef DEBUG
7334 gemu_log("syscall %d", num);
7335#endif
7336 trace_guest_user_syscall(cpu, num, arg1, arg2, arg3, arg4, arg5, arg6, arg7, arg8);
7337 if(do_strace)
7338 print_syscall(num, arg1, arg2, arg3, arg4, arg5, arg6);
7339
7340 switch(num) {
7341 case TARGET_NR_exit:
7342
7343
7344
7345
7346
7347 if (block_signals()) {
7348 ret = -TARGET_ERESTARTSYS;
7349 break;
7350 }
7351
7352 if (CPU_NEXT(first_cpu)) {
7353 TaskState *ts;
7354
7355 cpu_list_lock();
7356
7357 QTAILQ_REMOVE(&cpus, cpu, node);
7358 cpu_list_unlock();
7359 ts = cpu->opaque;
7360 if (ts->child_tidptr) {
7361 put_user_u32(0, ts->child_tidptr);
7362 sys_futex(g2h(ts->child_tidptr), FUTEX_WAKE, INT_MAX,
7363 NULL, NULL, 0);
7364 }
7365 thread_cpu = NULL;
7366 object_unref(OBJECT(cpu));
7367 g_free(ts);
7368 rcu_unregister_thread();
7369 pthread_exit(NULL);
7370 }
7371#ifdef TARGET_GPROF
7372 _mcleanup();
7373#endif
7374 gdb_exit(cpu_env, arg1);
7375 _exit(arg1);
7376 ret = 0;
7377 break;
7378 case TARGET_NR_read:
7379 if (arg3 == 0)
7380 ret = 0;
7381 else {
7382 if (!(p = lock_user(VERIFY_WRITE, arg2, arg3, 0)))
7383 goto efault;
7384 ret = get_errno(safe_read(arg1, p, arg3));
7385 if (ret >= 0 &&
7386 fd_trans_host_to_target_data(arg1)) {
7387 ret = fd_trans_host_to_target_data(arg1)(p, ret);
7388 }
7389 unlock_user(p, arg2, ret);
7390 }
7391 break;
7392 case TARGET_NR_write:
7393 if (!(p = lock_user(VERIFY_READ, arg2, arg3, 1)))
7394 goto efault;
7395 ret = get_errno(safe_write(arg1, p, arg3));
7396 unlock_user(p, arg2, 0);
7397 break;
7398#ifdef TARGET_NR_open
7399 case TARGET_NR_open:
7400 if (!(p = lock_user_string(arg1)))
7401 goto efault;
7402 ret = get_errno(do_openat(cpu_env, AT_FDCWD, p,
7403 target_to_host_bitmask(arg2, fcntl_flags_tbl),
7404 arg3));
7405 fd_trans_unregister(ret);
7406 unlock_user(p, arg1, 0);
7407 break;
7408#endif
7409 case TARGET_NR_openat:
7410 if (!(p = lock_user_string(arg2)))
7411 goto efault;
7412 ret = get_errno(do_openat(cpu_env, arg1, p,
7413 target_to_host_bitmask(arg3, fcntl_flags_tbl),
7414 arg4));
7415 fd_trans_unregister(ret);
7416 unlock_user(p, arg2, 0);
7417 break;
7418#if defined(TARGET_NR_name_to_handle_at) && defined(CONFIG_OPEN_BY_HANDLE)
7419 case TARGET_NR_name_to_handle_at:
7420 ret = do_name_to_handle_at(arg1, arg2, arg3, arg4, arg5);
7421 break;
7422#endif
7423#if defined(TARGET_NR_open_by_handle_at) && defined(CONFIG_OPEN_BY_HANDLE)
7424 case TARGET_NR_open_by_handle_at:
7425 ret = do_open_by_handle_at(arg1, arg2, arg3);
7426 fd_trans_unregister(ret);
7427 break;
7428#endif
7429 case TARGET_NR_close:
7430 fd_trans_unregister(arg1);
7431 ret = get_errno(close(arg1));
7432 break;
7433 case TARGET_NR_brk:
7434 ret = do_brk(arg1);
7435 break;
7436#ifdef TARGET_NR_fork
7437 case TARGET_NR_fork:
7438 ret = get_errno(do_fork(cpu_env, SIGCHLD, 0, 0, 0, 0));
7439 break;
7440#endif
7441#ifdef TARGET_NR_waitpid
7442 case TARGET_NR_waitpid:
7443 {
7444 int status;
7445 ret = get_errno(safe_wait4(arg1, &status, arg3, 0));
7446 if (!is_error(ret) && arg2 && ret
7447 && put_user_s32(host_to_target_waitstatus(status), arg2))
7448 goto efault;
7449 }
7450 break;
7451#endif
7452#ifdef TARGET_NR_waitid
7453 case TARGET_NR_waitid:
7454 {
7455 siginfo_t info;
7456 info.si_pid = 0;
7457 ret = get_errno(safe_waitid(arg1, arg2, &info, arg4, NULL));
7458 if (!is_error(ret) && arg3 && info.si_pid != 0) {
7459 if (!(p = lock_user(VERIFY_WRITE, arg3, sizeof(target_siginfo_t), 0)))
7460 goto efault;
7461 host_to_target_siginfo(p, &info);
7462 unlock_user(p, arg3, sizeof(target_siginfo_t));
7463 }
7464 }
7465 break;
7466#endif
7467#ifdef TARGET_NR_creat
7468 case TARGET_NR_creat:
7469 if (!(p = lock_user_string(arg1)))
7470 goto efault;
7471 ret = get_errno(creat(p, arg2));
7472 fd_trans_unregister(ret);
7473 unlock_user(p, arg1, 0);
7474 break;
7475#endif
7476#ifdef TARGET_NR_link
7477 case TARGET_NR_link:
7478 {
7479 void * p2;
7480 p = lock_user_string(arg1);
7481 p2 = lock_user_string(arg2);
7482 if (!p || !p2)
7483 ret = -TARGET_EFAULT;
7484 else
7485 ret = get_errno(link(p, p2));
7486 unlock_user(p2, arg2, 0);
7487 unlock_user(p, arg1, 0);
7488 }
7489 break;
7490#endif
7491#if defined(TARGET_NR_linkat)
7492 case TARGET_NR_linkat:
7493 {
7494 void * p2 = NULL;
7495 if (!arg2 || !arg4)
7496 goto efault;
7497 p = lock_user_string(arg2);
7498 p2 = lock_user_string(arg4);
7499 if (!p || !p2)
7500 ret = -TARGET_EFAULT;
7501 else
7502 ret = get_errno(linkat(arg1, p, arg3, p2, arg5));
7503 unlock_user(p, arg2, 0);
7504 unlock_user(p2, arg4, 0);
7505 }
7506 break;
7507#endif
7508#ifdef TARGET_NR_unlink
7509 case TARGET_NR_unlink:
7510 if (!(p = lock_user_string(arg1)))
7511 goto efault;
7512 ret = get_errno(unlink(p));
7513 unlock_user(p, arg1, 0);
7514 break;
7515#endif
7516#if defined(TARGET_NR_unlinkat)
7517 case TARGET_NR_unlinkat:
7518 if (!(p = lock_user_string(arg2)))
7519 goto efault;
7520 ret = get_errno(unlinkat(arg1, p, arg3));
7521 unlock_user(p, arg2, 0);
7522 break;
7523#endif
7524 case TARGET_NR_execve:
7525 {
7526 char **argp, **envp;
7527 int argc, envc;
7528 abi_ulong gp;
7529 abi_ulong guest_argp;
7530 abi_ulong guest_envp;
7531 abi_ulong addr;
7532 char **q;
7533 int total_size = 0;
7534
7535 argc = 0;
7536 guest_argp = arg2;
7537 for (gp = guest_argp; gp; gp += sizeof(abi_ulong)) {
7538 if (get_user_ual(addr, gp))
7539 goto efault;
7540 if (!addr)
7541 break;
7542 argc++;
7543 }
7544 envc = 0;
7545 guest_envp = arg3;
7546 for (gp = guest_envp; gp; gp += sizeof(abi_ulong)) {
7547 if (get_user_ual(addr, gp))
7548 goto efault;
7549 if (!addr)
7550 break;
7551 envc++;
7552 }
7553
7554 argp = alloca((argc + 1) * sizeof(void *));
7555 envp = alloca((envc + 1) * sizeof(void *));
7556
7557 for (gp = guest_argp, q = argp; gp;
7558 gp += sizeof(abi_ulong), q++) {
7559 if (get_user_ual(addr, gp))
7560 goto execve_efault;
7561 if (!addr)
7562 break;
7563 if (!(*q = lock_user_string(addr)))
7564 goto execve_efault;
7565 total_size += strlen(*q) + 1;
7566 }
7567 *q = NULL;
7568
7569 for (gp = guest_envp, q = envp; gp;
7570 gp += sizeof(abi_ulong), q++) {
7571 if (get_user_ual(addr, gp))
7572 goto execve_efault;
7573 if (!addr)
7574 break;
7575 if (!(*q = lock_user_string(addr)))
7576 goto execve_efault;
7577 total_size += strlen(*q) + 1;
7578 }
7579 *q = NULL;
7580
7581 if (!(p = lock_user_string(arg1)))
7582 goto execve_efault;
7583
7584
7585
7586
7587
7588
7589
7590
7591
7592
7593 ret = get_errno(safe_execve(p, argp, envp));
7594 unlock_user(p, arg1, 0);
7595
7596 goto execve_end;
7597
7598 execve_efault:
7599 ret = -TARGET_EFAULT;
7600
7601 execve_end:
7602 for (gp = guest_argp, q = argp; *q;
7603 gp += sizeof(abi_ulong), q++) {
7604 if (get_user_ual(addr, gp)
7605 || !addr)
7606 break;
7607 unlock_user(*q, addr, 0);
7608 }
7609 for (gp = guest_envp, q = envp; *q;
7610 gp += sizeof(abi_ulong), q++) {
7611 if (get_user_ual(addr, gp)
7612 || !addr)
7613 break;
7614 unlock_user(*q, addr, 0);
7615 }
7616 }
7617 break;
7618 case TARGET_NR_chdir:
7619 if (!(p = lock_user_string(arg1)))
7620 goto efault;
7621 ret = get_errno(chdir(p));
7622 unlock_user(p, arg1, 0);
7623 break;
7624#ifdef TARGET_NR_time
7625 case TARGET_NR_time:
7626 {
7627 time_t host_time;
7628 ret = get_errno(time(&host_time));
7629 if (!is_error(ret)
7630 && arg1
7631 && put_user_sal(host_time, arg1))
7632 goto efault;
7633 }
7634 break;
7635#endif
7636#ifdef TARGET_NR_mknod
7637 case TARGET_NR_mknod:
7638 if (!(p = lock_user_string(arg1)))
7639 goto efault;
7640 ret = get_errno(mknod(p, arg2, arg3));
7641 unlock_user(p, arg1, 0);
7642 break;
7643#endif
7644#if defined(TARGET_NR_mknodat)
7645 case TARGET_NR_mknodat:
7646 if (!(p = lock_user_string(arg2)))
7647 goto efault;
7648 ret = get_errno(mknodat(arg1, p, arg3, arg4));
7649 unlock_user(p, arg2, 0);
7650 break;
7651#endif
7652#ifdef TARGET_NR_chmod
7653 case TARGET_NR_chmod:
7654 if (!(p = lock_user_string(arg1)))
7655 goto efault;
7656 ret = get_errno(chmod(p, arg2));
7657 unlock_user(p, arg1, 0);
7658 break;
7659#endif
7660#ifdef TARGET_NR_break
7661 case TARGET_NR_break:
7662 goto unimplemented;
7663#endif
7664#ifdef TARGET_NR_oldstat
7665 case TARGET_NR_oldstat:
7666 goto unimplemented;
7667#endif
7668 case TARGET_NR_lseek:
7669 ret = get_errno(lseek(arg1, arg2, arg3));
7670 break;
7671#if defined(TARGET_NR_getxpid) && defined(TARGET_ALPHA)
7672
7673 case TARGET_NR_getxpid:
7674 ((CPUAlphaState *)cpu_env)->ir[IR_A4] = getppid();
7675 ret = get_errno(getpid());
7676 break;
7677#endif
7678#ifdef TARGET_NR_getpid
7679 case TARGET_NR_getpid:
7680 ret = get_errno(getpid());
7681 break;
7682#endif
7683 case TARGET_NR_mount:
7684 {
7685
7686 void *p2, *p3;
7687
7688 if (arg1) {
7689 p = lock_user_string(arg1);
7690 if (!p) {
7691 goto efault;
7692 }
7693 } else {
7694 p = NULL;
7695 }
7696
7697 p2 = lock_user_string(arg2);
7698 if (!p2) {
7699 if (arg1) {
7700 unlock_user(p, arg1, 0);
7701 }
7702 goto efault;
7703 }
7704
7705 if (arg3) {
7706 p3 = lock_user_string(arg3);
7707 if (!p3) {
7708 if (arg1) {
7709 unlock_user(p, arg1, 0);
7710 }
7711 unlock_user(p2, arg2, 0);
7712 goto efault;
7713 }
7714 } else {
7715 p3 = NULL;
7716 }
7717
7718
7719
7720
7721
7722 if (!arg5) {
7723 ret = mount(p, p2, p3, (unsigned long)arg4, NULL);
7724 } else {
7725 ret = mount(p, p2, p3, (unsigned long)arg4, g2h(arg5));
7726 }
7727 ret = get_errno(ret);
7728
7729 if (arg1) {
7730 unlock_user(p, arg1, 0);
7731 }
7732 unlock_user(p2, arg2, 0);
7733 if (arg3) {
7734 unlock_user(p3, arg3, 0);
7735 }
7736 }
7737 break;
7738#ifdef TARGET_NR_umount
7739 case TARGET_NR_umount:
7740 if (!(p = lock_user_string(arg1)))
7741 goto efault;
7742 ret = get_errno(umount(p));
7743 unlock_user(p, arg1, 0);
7744 break;
7745#endif
7746#ifdef TARGET_NR_stime
7747 case TARGET_NR_stime:
7748 {
7749 time_t host_time;
7750 if (get_user_sal(host_time, arg1))
7751 goto efault;
7752 ret = get_errno(stime(&host_time));
7753 }
7754 break;
7755#endif
7756 case TARGET_NR_ptrace:
7757 goto unimplemented;
7758#ifdef TARGET_NR_alarm
7759 case TARGET_NR_alarm:
7760 ret = alarm(arg1);
7761 break;
7762#endif
7763#ifdef TARGET_NR_oldfstat
7764 case TARGET_NR_oldfstat:
7765 goto unimplemented;
7766#endif
7767#ifdef TARGET_NR_pause
7768 case TARGET_NR_pause:
7769 if (!block_signals()) {
7770 sigsuspend(&((TaskState *)cpu->opaque)->signal_mask);
7771 }
7772 ret = -TARGET_EINTR;
7773 break;
7774#endif
7775#ifdef TARGET_NR_utime
7776 case TARGET_NR_utime:
7777 {
7778 struct utimbuf tbuf, *host_tbuf;
7779 struct target_utimbuf *target_tbuf;
7780 if (arg2) {
7781 if (!lock_user_struct(VERIFY_READ, target_tbuf, arg2, 1))
7782 goto efault;
7783 tbuf.actime = tswapal(target_tbuf->actime);
7784 tbuf.modtime = tswapal(target_tbuf->modtime);
7785 unlock_user_struct(target_tbuf, arg2, 0);
7786 host_tbuf = &tbuf;
7787 } else {
7788 host_tbuf = NULL;
7789 }
7790 if (!(p = lock_user_string(arg1)))
7791 goto efault;
7792 ret = get_errno(utime(p, host_tbuf));
7793 unlock_user(p, arg1, 0);
7794 }
7795 break;
7796#endif
7797#ifdef TARGET_NR_utimes
7798 case TARGET_NR_utimes:
7799 {
7800 struct timeval *tvp, tv[2];
7801 if (arg2) {
7802 if (copy_from_user_timeval(&tv[0], arg2)
7803 || copy_from_user_timeval(&tv[1],
7804 arg2 + sizeof(struct target_timeval)))
7805 goto efault;
7806 tvp = tv;
7807 } else {
7808 tvp = NULL;
7809 }
7810 if (!(p = lock_user_string(arg1)))
7811 goto efault;
7812 ret = get_errno(utimes(p, tvp));
7813 unlock_user(p, arg1, 0);
7814 }
7815 break;
7816#endif
7817#if defined(TARGET_NR_futimesat)
7818 case TARGET_NR_futimesat:
7819 {
7820 struct timeval *tvp, tv[2];
7821 if (arg3) {
7822 if (copy_from_user_timeval(&tv[0], arg3)
7823 || copy_from_user_timeval(&tv[1],
7824 arg3 + sizeof(struct target_timeval)))
7825 goto efault;
7826 tvp = tv;
7827 } else {
7828 tvp = NULL;
7829 }
7830 if (!(p = lock_user_string(arg2)))
7831 goto efault;
7832 ret = get_errno(futimesat(arg1, path(p), tvp));
7833 unlock_user(p, arg2, 0);
7834 }
7835 break;
7836#endif
7837#ifdef TARGET_NR_stty
7838 case TARGET_NR_stty:
7839 goto unimplemented;
7840#endif
7841#ifdef TARGET_NR_gtty
7842 case TARGET_NR_gtty:
7843 goto unimplemented;
7844#endif
7845#ifdef TARGET_NR_access
7846 case TARGET_NR_access:
7847 if (!(p = lock_user_string(arg1)))
7848 goto efault;
7849 ret = get_errno(access(path(p), arg2));
7850 unlock_user(p, arg1, 0);
7851 break;
7852#endif
7853#if defined(TARGET_NR_faccessat) && defined(__NR_faccessat)
7854 case TARGET_NR_faccessat:
7855 if (!(p = lock_user_string(arg2)))
7856 goto efault;
7857 ret = get_errno(faccessat(arg1, p, arg3, 0));
7858 unlock_user(p, arg2, 0);
7859 break;
7860#endif
7861#ifdef TARGET_NR_nice
7862 case TARGET_NR_nice:
7863 ret = get_errno(nice(arg1));
7864 break;
7865#endif
7866#ifdef TARGET_NR_ftime
7867 case TARGET_NR_ftime:
7868 goto unimplemented;
7869#endif
7870 case TARGET_NR_sync:
7871 sync();
7872 ret = 0;
7873 break;
7874 case TARGET_NR_kill:
7875 ret = get_errno(safe_kill(arg1, target_to_host_signal(arg2)));
7876 break;
7877#ifdef TARGET_NR_rename
7878 case TARGET_NR_rename:
7879 {
7880 void *p2;
7881 p = lock_user_string(arg1);
7882 p2 = lock_user_string(arg2);
7883 if (!p || !p2)
7884 ret = -TARGET_EFAULT;
7885 else
7886 ret = get_errno(rename(p, p2));
7887 unlock_user(p2, arg2, 0);
7888 unlock_user(p, arg1, 0);
7889 }
7890 break;
7891#endif
7892#if defined(TARGET_NR_renameat)
7893 case TARGET_NR_renameat:
7894 {
7895 void *p2;
7896 p = lock_user_string(arg2);
7897 p2 = lock_user_string(arg4);
7898 if (!p || !p2)
7899 ret = -TARGET_EFAULT;
7900 else
7901 ret = get_errno(renameat(arg1, p, arg3, p2));
7902 unlock_user(p2, arg4, 0);
7903 unlock_user(p, arg2, 0);
7904 }
7905 break;
7906#endif
7907#ifdef TARGET_NR_mkdir
7908 case TARGET_NR_mkdir:
7909 if (!(p = lock_user_string(arg1)))
7910 goto efault;
7911 ret = get_errno(mkdir(p, arg2));
7912 unlock_user(p, arg1, 0);
7913 break;
7914#endif
7915#if defined(TARGET_NR_mkdirat)
7916 case TARGET_NR_mkdirat:
7917 if (!(p = lock_user_string(arg2)))
7918 goto efault;
7919 ret = get_errno(mkdirat(arg1, p, arg3));
7920 unlock_user(p, arg2, 0);
7921 break;
7922#endif
7923#ifdef TARGET_NR_rmdir
7924 case TARGET_NR_rmdir:
7925 if (!(p = lock_user_string(arg1)))
7926 goto efault;
7927 ret = get_errno(rmdir(p));
7928 unlock_user(p, arg1, 0);
7929 break;
7930#endif
7931 case TARGET_NR_dup:
7932 ret = get_errno(dup(arg1));
7933 if (ret >= 0) {
7934 fd_trans_dup(arg1, ret);
7935 }
7936 break;
7937#ifdef TARGET_NR_pipe
7938 case TARGET_NR_pipe:
7939 ret = do_pipe(cpu_env, arg1, 0, 0);
7940 break;
7941#endif
7942#ifdef TARGET_NR_pipe2
7943 case TARGET_NR_pipe2:
7944 ret = do_pipe(cpu_env, arg1,
7945 target_to_host_bitmask(arg2, fcntl_flags_tbl), 1);
7946 break;
7947#endif
7948 case TARGET_NR_times:
7949 {
7950 struct target_tms *tmsp;
7951 struct tms tms;
7952 ret = get_errno(times(&tms));
7953 if (arg1) {
7954 tmsp = lock_user(VERIFY_WRITE, arg1, sizeof(struct target_tms), 0);
7955 if (!tmsp)
7956 goto efault;
7957 tmsp->tms_utime = tswapal(host_to_target_clock_t(tms.tms_utime));
7958 tmsp->tms_stime = tswapal(host_to_target_clock_t(tms.tms_stime));
7959 tmsp->tms_cutime = tswapal(host_to_target_clock_t(tms.tms_cutime));
7960 tmsp->tms_cstime = tswapal(host_to_target_clock_t(tms.tms_cstime));
7961 }
7962 if (!is_error(ret))
7963 ret = host_to_target_clock_t(ret);
7964 }
7965 break;
7966#ifdef TARGET_NR_prof
7967 case TARGET_NR_prof:
7968 goto unimplemented;
7969#endif
7970#ifdef TARGET_NR_signal
7971 case TARGET_NR_signal:
7972 goto unimplemented;
7973#endif
7974 case TARGET_NR_acct:
7975 if (arg1 == 0) {
7976 ret = get_errno(acct(NULL));
7977 } else {
7978 if (!(p = lock_user_string(arg1)))
7979 goto efault;
7980 ret = get_errno(acct(path(p)));
7981 unlock_user(p, arg1, 0);
7982 }
7983 break;
7984#ifdef TARGET_NR_umount2
7985 case TARGET_NR_umount2:
7986 if (!(p = lock_user_string(arg1)))
7987 goto efault;
7988 ret = get_errno(umount2(p, arg2));
7989 unlock_user(p, arg1, 0);
7990 break;
7991#endif
7992#ifdef TARGET_NR_lock
7993 case TARGET_NR_lock:
7994 goto unimplemented;
7995#endif
7996 case TARGET_NR_ioctl:
7997 ret = do_ioctl(arg1, arg2, arg3);
7998 break;
7999 case TARGET_NR_fcntl:
8000 ret = do_fcntl(arg1, arg2, arg3);
8001 break;
8002#ifdef TARGET_NR_mpx
8003 case TARGET_NR_mpx:
8004 goto unimplemented;
8005#endif
8006 case TARGET_NR_setpgid:
8007 ret = get_errno(setpgid(arg1, arg2));
8008 break;
8009#ifdef TARGET_NR_ulimit
8010 case TARGET_NR_ulimit:
8011 goto unimplemented;
8012#endif
8013#ifdef TARGET_NR_oldolduname
8014 case TARGET_NR_oldolduname:
8015 goto unimplemented;
8016#endif
8017 case TARGET_NR_umask:
8018 ret = get_errno(umask(arg1));
8019 break;
8020 case TARGET_NR_chroot:
8021 if (!(p = lock_user_string(arg1)))
8022 goto efault;
8023 ret = get_errno(chroot(p));
8024 unlock_user(p, arg1, 0);
8025 break;
8026#ifdef TARGET_NR_ustat
8027 case TARGET_NR_ustat:
8028 goto unimplemented;
8029#endif
8030#ifdef TARGET_NR_dup2
8031 case TARGET_NR_dup2:
8032 ret = get_errno(dup2(arg1, arg2));
8033 if (ret >= 0) {
8034 fd_trans_dup(arg1, arg2);
8035 }
8036 break;
8037#endif
8038#if defined(CONFIG_DUP3) && defined(TARGET_NR_dup3)
8039 case TARGET_NR_dup3:
8040 ret = get_errno(dup3(arg1, arg2, arg3));
8041 if (ret >= 0) {
8042 fd_trans_dup(arg1, arg2);
8043 }
8044 break;
8045#endif
8046#ifdef TARGET_NR_getppid
8047 case TARGET_NR_getppid:
8048 ret = get_errno(getppid());
8049 break;
8050#endif
8051#ifdef TARGET_NR_getpgrp
8052 case TARGET_NR_getpgrp:
8053 ret = get_errno(getpgrp());
8054 break;
8055#endif
8056 case TARGET_NR_setsid:
8057 ret = get_errno(setsid());
8058 break;
8059#ifdef TARGET_NR_sigaction
8060 case TARGET_NR_sigaction:
8061 {
8062#if defined(TARGET_ALPHA)
8063 struct target_sigaction act, oact, *pact = 0;
8064 struct target_old_sigaction *old_act;
8065 if (arg2) {
8066 if (!lock_user_struct(VERIFY_READ, old_act, arg2, 1))
8067 goto efault;
8068 act._sa_handler = old_act->_sa_handler;
8069 target_siginitset(&act.sa_mask, old_act->sa_mask);
8070 act.sa_flags = old_act->sa_flags;
8071 act.sa_restorer = 0;
8072 unlock_user_struct(old_act, arg2, 0);
8073 pact = &act;
8074 }
8075 ret = get_errno(do_sigaction(arg1, pact, &oact));
8076 if (!is_error(ret) && arg3) {
8077 if (!lock_user_struct(VERIFY_WRITE, old_act, arg3, 0))
8078 goto efault;
8079 old_act->_sa_handler = oact._sa_handler;
8080 old_act->sa_mask = oact.sa_mask.sig[0];
8081 old_act->sa_flags = oact.sa_flags;
8082 unlock_user_struct(old_act, arg3, 1);
8083 }
8084#elif defined(TARGET_MIPS)
8085 struct target_sigaction act, oact, *pact, *old_act;
8086
8087 if (arg2) {
8088 if (!lock_user_struct(VERIFY_READ, old_act, arg2, 1))
8089 goto efault;
8090 act._sa_handler = old_act->_sa_handler;
8091 target_siginitset(&act.sa_mask, old_act->sa_mask.sig[0]);
8092 act.sa_flags = old_act->sa_flags;
8093 unlock_user_struct(old_act, arg2, 0);
8094 pact = &act;
8095 } else {
8096 pact = NULL;
8097 }
8098
8099 ret = get_errno(do_sigaction(arg1, pact, &oact));
8100
8101 if (!is_error(ret) && arg3) {
8102 if (!lock_user_struct(VERIFY_WRITE, old_act, arg3, 0))
8103 goto efault;
8104 old_act->_sa_handler = oact._sa_handler;
8105 old_act->sa_flags = oact.sa_flags;
8106 old_act->sa_mask.sig[0] = oact.sa_mask.sig[0];
8107 old_act->sa_mask.sig[1] = 0;
8108 old_act->sa_mask.sig[2] = 0;
8109 old_act->sa_mask.sig[3] = 0;
8110 unlock_user_struct(old_act, arg3, 1);
8111 }
8112#else
8113 struct target_old_sigaction *old_act;
8114 struct target_sigaction act, oact, *pact;
8115 if (arg2) {
8116 if (!lock_user_struct(VERIFY_READ, old_act, arg2, 1))
8117 goto efault;
8118 act._sa_handler = old_act->_sa_handler;
8119 target_siginitset(&act.sa_mask, old_act->sa_mask);
8120 act.sa_flags = old_act->sa_flags;
8121 act.sa_restorer = old_act->sa_restorer;
8122 unlock_user_struct(old_act, arg2, 0);
8123 pact = &act;
8124 } else {
8125 pact = NULL;
8126 }
8127 ret = get_errno(do_sigaction(arg1, pact, &oact));
8128 if (!is_error(ret) && arg3) {
8129 if (!lock_user_struct(VERIFY_WRITE, old_act, arg3, 0))
8130 goto efault;
8131 old_act->_sa_handler = oact._sa_handler;
8132 old_act->sa_mask = oact.sa_mask.sig[0];
8133 old_act->sa_flags = oact.sa_flags;
8134 old_act->sa_restorer = oact.sa_restorer;
8135 unlock_user_struct(old_act, arg3, 1);
8136 }
8137#endif
8138 }
8139 break;
8140#endif
8141 case TARGET_NR_rt_sigaction:
8142 {
8143#if defined(TARGET_ALPHA)
8144 struct target_sigaction act, oact, *pact = 0;
8145 struct target_rt_sigaction *rt_act;
8146
8147 if (arg4 != sizeof(target_sigset_t)) {
8148 ret = -TARGET_EINVAL;
8149 break;
8150 }
8151 if (arg2) {
8152 if (!lock_user_struct(VERIFY_READ, rt_act, arg2, 1))
8153 goto efault;
8154 act._sa_handler = rt_act->_sa_handler;
8155 act.sa_mask = rt_act->sa_mask;
8156 act.sa_flags = rt_act->sa_flags;
8157 act.sa_restorer = arg5;
8158 unlock_user_struct(rt_act, arg2, 0);
8159 pact = &act;
8160 }
8161 ret = get_errno(do_sigaction(arg1, pact, &oact));
8162 if (!is_error(ret) && arg3) {
8163 if (!lock_user_struct(VERIFY_WRITE, rt_act, arg3, 0))
8164 goto efault;
8165 rt_act->_sa_handler = oact._sa_handler;
8166 rt_act->sa_mask = oact.sa_mask;
8167 rt_act->sa_flags = oact.sa_flags;
8168 unlock_user_struct(rt_act, arg3, 1);
8169 }
8170#else
8171 struct target_sigaction *act;
8172 struct target_sigaction *oact;
8173
8174 if (arg4 != sizeof(target_sigset_t)) {
8175 ret = -TARGET_EINVAL;
8176 break;
8177 }
8178 if (arg2) {
8179 if (!lock_user_struct(VERIFY_READ, act, arg2, 1))
8180 goto efault;
8181 } else
8182 act = NULL;
8183 if (arg3) {
8184 if (!lock_user_struct(VERIFY_WRITE, oact, arg3, 0)) {
8185 ret = -TARGET_EFAULT;
8186 goto rt_sigaction_fail;
8187 }
8188 } else
8189 oact = NULL;
8190 ret = get_errno(do_sigaction(arg1, act, oact));
8191 rt_sigaction_fail:
8192 if (act)
8193 unlock_user_struct(act, arg2, 0);
8194 if (oact)
8195 unlock_user_struct(oact, arg3, 1);
8196#endif
8197 }
8198 break;
8199#ifdef TARGET_NR_sgetmask
8200 case TARGET_NR_sgetmask:
8201 {
8202 sigset_t cur_set;
8203 abi_ulong target_set;
8204 ret = do_sigprocmask(0, NULL, &cur_set);
8205 if (!ret) {
8206 host_to_target_old_sigset(&target_set, &cur_set);
8207 ret = target_set;
8208 }
8209 }
8210 break;
8211#endif
8212#ifdef TARGET_NR_ssetmask
8213 case TARGET_NR_ssetmask:
8214 {
8215 sigset_t set, oset, cur_set;
8216 abi_ulong target_set = arg1;
8217
8218
8219
8220
8221
8222 ret = do_sigprocmask(0, NULL, &cur_set);
8223 assert(!ret);
8224 target_to_host_old_sigset(&set, &target_set);
8225 sigorset(&set, &set, &cur_set);
8226 ret = do_sigprocmask(SIG_SETMASK, &set, &oset);
8227 if (!ret) {
8228 host_to_target_old_sigset(&target_set, &oset);
8229 ret = target_set;
8230 }
8231 }
8232 break;
8233#endif
8234#ifdef TARGET_NR_sigprocmask
8235 case TARGET_NR_sigprocmask:
8236 {
8237#if defined(TARGET_ALPHA)
8238 sigset_t set, oldset;
8239 abi_ulong mask;
8240 int how;
8241
8242 switch (arg1) {
8243 case TARGET_SIG_BLOCK:
8244 how = SIG_BLOCK;
8245 break;
8246 case TARGET_SIG_UNBLOCK:
8247 how = SIG_UNBLOCK;
8248 break;
8249 case TARGET_SIG_SETMASK:
8250 how = SIG_SETMASK;
8251 break;
8252 default:
8253 ret = -TARGET_EINVAL;
8254 goto fail;
8255 }
8256 mask = arg2;
8257 target_to_host_old_sigset(&set, &mask);
8258
8259 ret = do_sigprocmask(how, &set, &oldset);
8260 if (!is_error(ret)) {
8261 host_to_target_old_sigset(&mask, &oldset);
8262 ret = mask;
8263 ((CPUAlphaState *)cpu_env)->ir[IR_V0] = 0;
8264 }
8265#else
8266 sigset_t set, oldset, *set_ptr;
8267 int how;
8268
8269 if (arg2) {
8270 switch (arg1) {
8271 case TARGET_SIG_BLOCK:
8272 how = SIG_BLOCK;
8273 break;
8274 case TARGET_SIG_UNBLOCK:
8275 how = SIG_UNBLOCK;
8276 break;
8277 case TARGET_SIG_SETMASK:
8278 how = SIG_SETMASK;
8279 break;
8280 default:
8281 ret = -TARGET_EINVAL;
8282 goto fail;
8283 }
8284 if (!(p = lock_user(VERIFY_READ, arg2, sizeof(target_sigset_t), 1)))
8285 goto efault;
8286 target_to_host_old_sigset(&set, p);
8287 unlock_user(p, arg2, 0);
8288 set_ptr = &set;
8289 } else {
8290 how = 0;
8291 set_ptr = NULL;
8292 }
8293 ret = do_sigprocmask(how, set_ptr, &oldset);
8294 if (!is_error(ret) && arg3) {
8295 if (!(p = lock_user(VERIFY_WRITE, arg3, sizeof(target_sigset_t), 0)))
8296 goto efault;
8297 host_to_target_old_sigset(p, &oldset);
8298 unlock_user(p, arg3, sizeof(target_sigset_t));
8299 }
8300#endif
8301 }
8302 break;
8303#endif
8304 case TARGET_NR_rt_sigprocmask:
8305 {
8306 int how = arg1;
8307 sigset_t set, oldset, *set_ptr;
8308
8309 if (arg4 != sizeof(target_sigset_t)) {
8310 ret = -TARGET_EINVAL;
8311 break;
8312 }
8313
8314 if (arg2) {
8315 switch(how) {
8316 case TARGET_SIG_BLOCK:
8317 how = SIG_BLOCK;
8318 break;
8319 case TARGET_SIG_UNBLOCK:
8320 how = SIG_UNBLOCK;
8321 break;
8322 case TARGET_SIG_SETMASK:
8323 how = SIG_SETMASK;
8324 break;
8325 default:
8326 ret = -TARGET_EINVAL;
8327 goto fail;
8328 }
8329 if (!(p = lock_user(VERIFY_READ, arg2, sizeof(target_sigset_t), 1)))
8330 goto efault;
8331 target_to_host_sigset(&set, p);
8332 unlock_user(p, arg2, 0);
8333 set_ptr = &set;
8334 } else {
8335 how = 0;
8336 set_ptr = NULL;
8337 }
8338 ret = do_sigprocmask(how, set_ptr, &oldset);
8339 if (!is_error(ret) && arg3) {
8340 if (!(p = lock_user(VERIFY_WRITE, arg3, sizeof(target_sigset_t), 0)))
8341 goto efault;
8342 host_to_target_sigset(p, &oldset);
8343 unlock_user(p, arg3, sizeof(target_sigset_t));
8344 }
8345 }
8346 break;
8347#ifdef TARGET_NR_sigpending
8348 case TARGET_NR_sigpending:
8349 {
8350 sigset_t set;
8351 ret = get_errno(sigpending(&set));
8352 if (!is_error(ret)) {
8353 if (!(p = lock_user(VERIFY_WRITE, arg1, sizeof(target_sigset_t), 0)))
8354 goto efault;
8355 host_to_target_old_sigset(p, &set);
8356 unlock_user(p, arg1, sizeof(target_sigset_t));
8357 }
8358 }
8359 break;
8360#endif
8361 case TARGET_NR_rt_sigpending:
8362 {
8363 sigset_t set;
8364
8365
8366
8367
8368
8369
8370 if (arg2 > sizeof(target_sigset_t)) {
8371 ret = -TARGET_EINVAL;
8372 break;
8373 }
8374
8375 ret = get_errno(sigpending(&set));
8376 if (!is_error(ret)) {
8377 if (!(p = lock_user(VERIFY_WRITE, arg1, sizeof(target_sigset_t), 0)))
8378 goto efault;
8379 host_to_target_sigset(p, &set);
8380 unlock_user(p, arg1, sizeof(target_sigset_t));
8381 }
8382 }
8383 break;
8384#ifdef TARGET_NR_sigsuspend
8385 case TARGET_NR_sigsuspend:
8386 {
8387 TaskState *ts = cpu->opaque;
8388#if defined(TARGET_ALPHA)
8389 abi_ulong mask = arg1;
8390 target_to_host_old_sigset(&ts->sigsuspend_mask, &mask);
8391#else
8392 if (!(p = lock_user(VERIFY_READ, arg1, sizeof(target_sigset_t), 1)))
8393 goto efault;
8394 target_to_host_old_sigset(&ts->sigsuspend_mask, p);
8395 unlock_user(p, arg1, 0);
8396#endif
8397 ret = get_errno(safe_rt_sigsuspend(&ts->sigsuspend_mask,
8398 SIGSET_T_SIZE));
8399 if (ret != -TARGET_ERESTARTSYS) {
8400 ts->in_sigsuspend = 1;
8401 }
8402 }
8403 break;
8404#endif
8405 case TARGET_NR_rt_sigsuspend:
8406 {
8407 TaskState *ts = cpu->opaque;
8408
8409 if (arg2 != sizeof(target_sigset_t)) {
8410 ret = -TARGET_EINVAL;
8411 break;
8412 }
8413 if (!(p = lock_user(VERIFY_READ, arg1, sizeof(target_sigset_t), 1)))
8414 goto efault;
8415 target_to_host_sigset(&ts->sigsuspend_mask, p);
8416 unlock_user(p, arg1, 0);
8417 ret = get_errno(safe_rt_sigsuspend(&ts->sigsuspend_mask,
8418 SIGSET_T_SIZE));
8419 if (ret != -TARGET_ERESTARTSYS) {
8420 ts->in_sigsuspend = 1;
8421 }
8422 }
8423 break;
8424 case TARGET_NR_rt_sigtimedwait:
8425 {
8426 sigset_t set;
8427 struct timespec uts, *puts;
8428 siginfo_t uinfo;
8429
8430 if (arg4 != sizeof(target_sigset_t)) {
8431 ret = -TARGET_EINVAL;
8432 break;
8433 }
8434
8435 if (!(p = lock_user(VERIFY_READ, arg1, sizeof(target_sigset_t), 1)))
8436 goto efault;
8437 target_to_host_sigset(&set, p);
8438 unlock_user(p, arg1, 0);
8439 if (arg3) {
8440 puts = &uts;
8441 target_to_host_timespec(puts, arg3);
8442 } else {
8443 puts = NULL;
8444 }
8445 ret = get_errno(safe_rt_sigtimedwait(&set, &uinfo, puts,
8446 SIGSET_T_SIZE));
8447 if (!is_error(ret)) {
8448 if (arg2) {
8449 p = lock_user(VERIFY_WRITE, arg2, sizeof(target_siginfo_t),
8450 0);
8451 if (!p) {
8452 goto efault;
8453 }
8454 host_to_target_siginfo(p, &uinfo);
8455 unlock_user(p, arg2, sizeof(target_siginfo_t));
8456 }
8457 ret = host_to_target_signal(ret);
8458 }
8459 }
8460 break;
8461 case TARGET_NR_rt_sigqueueinfo:
8462 {
8463 siginfo_t uinfo;
8464
8465 p = lock_user(VERIFY_READ, arg3, sizeof(target_siginfo_t), 1);
8466 if (!p) {
8467 goto efault;
8468 }
8469 target_to_host_siginfo(&uinfo, p);
8470 unlock_user(p, arg1, 0);
8471 ret = get_errno(sys_rt_sigqueueinfo(arg1, arg2, &uinfo));
8472 }
8473 break;
8474#ifdef TARGET_NR_sigreturn
8475 case TARGET_NR_sigreturn:
8476 if (block_signals()) {
8477 ret = -TARGET_ERESTARTSYS;
8478 } else {
8479 ret = do_sigreturn(cpu_env);
8480 }
8481 break;
8482#endif
8483 case TARGET_NR_rt_sigreturn:
8484 if (block_signals()) {
8485 ret = -TARGET_ERESTARTSYS;
8486 } else {
8487 ret = do_rt_sigreturn(cpu_env);
8488 }
8489 break;
8490 case TARGET_NR_sethostname:
8491 if (!(p = lock_user_string(arg1)))
8492 goto efault;
8493 ret = get_errno(sethostname(p, arg2));
8494 unlock_user(p, arg1, 0);
8495 break;
8496 case TARGET_NR_setrlimit:
8497 {
8498 int resource = target_to_host_resource(arg1);
8499 struct target_rlimit *target_rlim;
8500 struct rlimit rlim;
8501 if (!lock_user_struct(VERIFY_READ, target_rlim, arg2, 1))
8502 goto efault;
8503 rlim.rlim_cur = target_to_host_rlim(target_rlim->rlim_cur);
8504 rlim.rlim_max = target_to_host_rlim(target_rlim->rlim_max);
8505 unlock_user_struct(target_rlim, arg2, 0);
8506 ret = get_errno(setrlimit(resource, &rlim));
8507 }
8508 break;
8509 case TARGET_NR_getrlimit:
8510 {
8511 int resource = target_to_host_resource(arg1);
8512 struct target_rlimit *target_rlim;
8513 struct rlimit rlim;
8514
8515 ret = get_errno(getrlimit(resource, &rlim));
8516 if (!is_error(ret)) {
8517 if (!lock_user_struct(VERIFY_WRITE, target_rlim, arg2, 0))
8518 goto efault;
8519 target_rlim->rlim_cur = host_to_target_rlim(rlim.rlim_cur);
8520 target_rlim->rlim_max = host_to_target_rlim(rlim.rlim_max);
8521 unlock_user_struct(target_rlim, arg2, 1);
8522 }
8523 }
8524 break;
8525 case TARGET_NR_getrusage:
8526 {
8527 struct rusage rusage;
8528 ret = get_errno(getrusage(arg1, &rusage));
8529 if (!is_error(ret)) {
8530 ret = host_to_target_rusage(arg2, &rusage);
8531 }
8532 }
8533 break;
8534 case TARGET_NR_gettimeofday:
8535 {
8536 struct timeval tv;
8537 ret = get_errno(gettimeofday(&tv, NULL));
8538 if (!is_error(ret)) {
8539 if (copy_to_user_timeval(arg1, &tv))
8540 goto efault;
8541 }
8542 }
8543 break;
8544 case TARGET_NR_settimeofday:
8545 {
8546 struct timeval tv, *ptv = NULL;
8547 struct timezone tz, *ptz = NULL;
8548
8549 if (arg1) {
8550 if (copy_from_user_timeval(&tv, arg1)) {
8551 goto efault;
8552 }
8553 ptv = &tv;
8554 }
8555
8556 if (arg2) {
8557 if (copy_from_user_timezone(&tz, arg2)) {
8558 goto efault;
8559 }
8560 ptz = &tz;
8561 }
8562
8563 ret = get_errno(settimeofday(ptv, ptz));
8564 }
8565 break;
8566#if defined(TARGET_NR_select)
8567 case TARGET_NR_select:
8568#if defined(TARGET_S390X) || defined(TARGET_ALPHA)
8569 ret = do_select(arg1, arg2, arg3, arg4, arg5);
8570#else
8571 {
8572 struct target_sel_arg_struct *sel;
8573 abi_ulong inp, outp, exp, tvp;
8574 long nsel;
8575
8576 if (!lock_user_struct(VERIFY_READ, sel, arg1, 1))
8577 goto efault;
8578 nsel = tswapal(sel->n);
8579 inp = tswapal(sel->inp);
8580 outp = tswapal(sel->outp);
8581 exp = tswapal(sel->exp);
8582 tvp = tswapal(sel->tvp);
8583 unlock_user_struct(sel, arg1, 0);
8584 ret = do_select(nsel, inp, outp, exp, tvp);
8585 }
8586#endif
8587 break;
8588#endif
8589#ifdef TARGET_NR_pselect6
8590 case TARGET_NR_pselect6:
8591 {
8592 abi_long rfd_addr, wfd_addr, efd_addr, n, ts_addr;
8593 fd_set rfds, wfds, efds;
8594 fd_set *rfds_ptr, *wfds_ptr, *efds_ptr;
8595 struct timespec ts, *ts_ptr;
8596
8597
8598
8599
8600
8601 sigset_t set;
8602 struct {
8603 sigset_t *set;
8604 size_t size;
8605 } sig, *sig_ptr;
8606
8607 abi_ulong arg_sigset, arg_sigsize, *arg7;
8608 target_sigset_t *target_sigset;
8609
8610 n = arg1;
8611 rfd_addr = arg2;
8612 wfd_addr = arg3;
8613 efd_addr = arg4;
8614 ts_addr = arg5;
8615
8616 ret = copy_from_user_fdset_ptr(&rfds, &rfds_ptr, rfd_addr, n);
8617 if (ret) {
8618 goto fail;
8619 }
8620 ret = copy_from_user_fdset_ptr(&wfds, &wfds_ptr, wfd_addr, n);
8621 if (ret) {
8622 goto fail;
8623 }
8624 ret = copy_from_user_fdset_ptr(&efds, &efds_ptr, efd_addr, n);
8625 if (ret) {
8626 goto fail;
8627 }
8628
8629
8630
8631
8632
8633 if (ts_addr) {
8634 if (target_to_host_timespec(&ts, ts_addr)) {
8635 goto efault;
8636 }
8637 ts_ptr = &ts;
8638 } else {
8639 ts_ptr = NULL;
8640 }
8641
8642
8643 if (arg6) {
8644 sig_ptr = &sig;
8645 sig.size = SIGSET_T_SIZE;
8646
8647 arg7 = lock_user(VERIFY_READ, arg6, sizeof(*arg7) * 2, 1);
8648 if (!arg7) {
8649 goto efault;
8650 }
8651 arg_sigset = tswapal(arg7[0]);
8652 arg_sigsize = tswapal(arg7[1]);
8653 unlock_user(arg7, arg6, 0);
8654
8655 if (arg_sigset) {
8656 sig.set = &set;
8657 if (arg_sigsize != sizeof(*target_sigset)) {
8658
8659 ret = -TARGET_EINVAL;
8660 goto fail;
8661 }
8662 target_sigset = lock_user(VERIFY_READ, arg_sigset,
8663 sizeof(*target_sigset), 1);
8664 if (!target_sigset) {
8665 goto efault;
8666 }
8667 target_to_host_sigset(&set, target_sigset);
8668 unlock_user(target_sigset, arg_sigset, 0);
8669 } else {
8670 sig.set = NULL;
8671 }
8672 } else {
8673 sig_ptr = NULL;
8674 }
8675
8676 ret = get_errno(safe_pselect6(n, rfds_ptr, wfds_ptr, efds_ptr,
8677 ts_ptr, sig_ptr));
8678
8679 if (!is_error(ret)) {
8680 if (rfd_addr && copy_to_user_fdset(rfd_addr, &rfds, n))
8681 goto efault;
8682 if (wfd_addr && copy_to_user_fdset(wfd_addr, &wfds, n))
8683 goto efault;
8684 if (efd_addr && copy_to_user_fdset(efd_addr, &efds, n))
8685 goto efault;
8686
8687 if (ts_addr && host_to_target_timespec(ts_addr, &ts))
8688 goto efault;
8689 }
8690 }
8691 break;
8692#endif
8693#ifdef TARGET_NR_symlink
8694 case TARGET_NR_symlink:
8695 {
8696 void *p2;
8697 p = lock_user_string(arg1);
8698 p2 = lock_user_string(arg2);
8699 if (!p || !p2)
8700 ret = -TARGET_EFAULT;
8701 else
8702 ret = get_errno(symlink(p, p2));
8703 unlock_user(p2, arg2, 0);
8704 unlock_user(p, arg1, 0);
8705 }
8706 break;
8707#endif
8708#if defined(TARGET_NR_symlinkat)
8709 case TARGET_NR_symlinkat:
8710 {
8711 void *p2;
8712 p = lock_user_string(arg1);
8713 p2 = lock_user_string(arg3);
8714 if (!p || !p2)
8715 ret = -TARGET_EFAULT;
8716 else
8717 ret = get_errno(symlinkat(p, arg2, p2));
8718 unlock_user(p2, arg3, 0);
8719 unlock_user(p, arg1, 0);
8720 }
8721 break;
8722#endif
8723#ifdef TARGET_NR_oldlstat
8724 case TARGET_NR_oldlstat:
8725 goto unimplemented;
8726#endif
8727#ifdef TARGET_NR_readlink
8728 case TARGET_NR_readlink:
8729 {
8730 void *p2;
8731 p = lock_user_string(arg1);
8732 p2 = lock_user(VERIFY_WRITE, arg2, arg3, 0);
8733 if (!p || !p2) {
8734 ret = -TARGET_EFAULT;
8735 } else if (!arg3) {
8736
8737 ret = -TARGET_EINVAL;
8738 } else if (is_proc_myself((const char *)p, "exe")) {
8739 char real[PATH_MAX], *temp;
8740 temp = realpath(exec_path, real);
8741
8742 if (temp == NULL) {
8743 ret = get_errno(-1);
8744 } else {
8745
8746
8747 ret = MIN(strlen(real), arg3);
8748
8749 memcpy(p2, real, ret);
8750 }
8751 } else {
8752 ret = get_errno(readlink(path(p), p2, arg3));
8753 }
8754 unlock_user(p2, arg2, ret);
8755 unlock_user(p, arg1, 0);
8756 }
8757 break;
8758#endif
8759#if defined(TARGET_NR_readlinkat)
8760 case TARGET_NR_readlinkat:
8761 {
8762 void *p2;
8763 p = lock_user_string(arg2);
8764 p2 = lock_user(VERIFY_WRITE, arg3, arg4, 0);
8765 if (!p || !p2) {
8766 ret = -TARGET_EFAULT;
8767 } else if (is_proc_myself((const char *)p, "exe")) {
8768 char real[PATH_MAX], *temp;
8769 temp = realpath(exec_path, real);
8770 ret = temp == NULL ? get_errno(-1) : strlen(real) ;
8771 snprintf((char *)p2, arg4, "%s", real);
8772 } else {
8773 ret = get_errno(readlinkat(arg1, path(p), p2, arg4));
8774 }
8775 unlock_user(p2, arg3, ret);
8776 unlock_user(p, arg2, 0);
8777 }
8778 break;
8779#endif
8780#ifdef TARGET_NR_uselib
8781 case TARGET_NR_uselib:
8782 goto unimplemented;
8783#endif
8784#ifdef TARGET_NR_swapon
8785 case TARGET_NR_swapon:
8786 if (!(p = lock_user_string(arg1)))
8787 goto efault;
8788 ret = get_errno(swapon(p, arg2));
8789 unlock_user(p, arg1, 0);
8790 break;
8791#endif
8792 case TARGET_NR_reboot:
8793 if (arg3 == LINUX_REBOOT_CMD_RESTART2) {
8794
8795 p = lock_user_string(arg4);
8796 if (!p) {
8797 goto efault;
8798 }
8799 ret = get_errno(reboot(arg1, arg2, arg3, p));
8800 unlock_user(p, arg4, 0);
8801 } else {
8802 ret = get_errno(reboot(arg1, arg2, arg3, NULL));
8803 }
8804 break;
8805#ifdef TARGET_NR_readdir
8806 case TARGET_NR_readdir:
8807 goto unimplemented;
8808#endif
8809#ifdef TARGET_NR_mmap
8810 case TARGET_NR_mmap:
8811#if (defined(TARGET_I386) && defined(TARGET_ABI32)) || \
8812 (defined(TARGET_ARM) && defined(TARGET_ABI32)) || \
8813 defined(TARGET_M68K) || defined(TARGET_CRIS) || defined(TARGET_MICROBLAZE) \
8814 || defined(TARGET_S390X)
8815 {
8816 abi_ulong *v;
8817 abi_ulong v1, v2, v3, v4, v5, v6;
8818 if (!(v = lock_user(VERIFY_READ, arg1, 6 * sizeof(abi_ulong), 1)))
8819 goto efault;
8820 v1 = tswapal(v[0]);
8821 v2 = tswapal(v[1]);
8822 v3 = tswapal(v[2]);
8823 v4 = tswapal(v[3]);
8824 v5 = tswapal(v[4]);
8825 v6 = tswapal(v[5]);
8826 unlock_user(v, arg1, 0);
8827 ret = get_errno(target_mmap(v1, v2, v3,
8828 target_to_host_bitmask(v4, mmap_flags_tbl),
8829 v5, v6));
8830 }
8831#else
8832 ret = get_errno(target_mmap(arg1, arg2, arg3,
8833 target_to_host_bitmask(arg4, mmap_flags_tbl),
8834 arg5,
8835 arg6));
8836#endif
8837 break;
8838#endif
8839#ifdef TARGET_NR_mmap2
8840 case TARGET_NR_mmap2:
8841#ifndef MMAP_SHIFT
8842#define MMAP_SHIFT 12
8843#endif
8844 ret = get_errno(target_mmap(arg1, arg2, arg3,
8845 target_to_host_bitmask(arg4, mmap_flags_tbl),
8846 arg5,
8847 arg6 << MMAP_SHIFT));
8848 break;
8849#endif
8850 case TARGET_NR_munmap:
8851 ret = get_errno(target_munmap(arg1, arg2));
8852 break;
8853 case TARGET_NR_mprotect:
8854 {
8855 TaskState *ts = cpu->opaque;
8856
8857 if ((arg3 & PROT_GROWSDOWN)
8858 && arg1 >= ts->info->stack_limit
8859 && arg1 <= ts->info->start_stack) {
8860 arg3 &= ~PROT_GROWSDOWN;
8861 arg2 = arg2 + arg1 - ts->info->stack_limit;
8862 arg1 = ts->info->stack_limit;
8863 }
8864 }
8865 ret = get_errno(target_mprotect(arg1, arg2, arg3));
8866 break;
8867#ifdef TARGET_NR_mremap
8868 case TARGET_NR_mremap:
8869 ret = get_errno(target_mremap(arg1, arg2, arg3, arg4, arg5));
8870 break;
8871#endif
8872
8873#ifdef TARGET_NR_msync
8874 case TARGET_NR_msync:
8875 ret = get_errno(msync(g2h(arg1), arg2, arg3));
8876 break;
8877#endif
8878#ifdef TARGET_NR_mlock
8879 case TARGET_NR_mlock:
8880 ret = get_errno(mlock(g2h(arg1), arg2));
8881 break;
8882#endif
8883#ifdef TARGET_NR_munlock
8884 case TARGET_NR_munlock:
8885 ret = get_errno(munlock(g2h(arg1), arg2));
8886 break;
8887#endif
8888#ifdef TARGET_NR_mlockall
8889 case TARGET_NR_mlockall:
8890 ret = get_errno(mlockall(target_to_host_mlockall_arg(arg1)));
8891 break;
8892#endif
8893#ifdef TARGET_NR_munlockall
8894 case TARGET_NR_munlockall:
8895 ret = get_errno(munlockall());
8896 break;
8897#endif
8898 case TARGET_NR_truncate:
8899 if (!(p = lock_user_string(arg1)))
8900 goto efault;
8901 ret = get_errno(truncate(p, arg2));
8902 unlock_user(p, arg1, 0);
8903 break;
8904 case TARGET_NR_ftruncate:
8905 ret = get_errno(ftruncate(arg1, arg2));
8906 break;
8907 case TARGET_NR_fchmod:
8908 ret = get_errno(fchmod(arg1, arg2));
8909 break;
8910#if defined(TARGET_NR_fchmodat)
8911 case TARGET_NR_fchmodat:
8912 if (!(p = lock_user_string(arg2)))
8913 goto efault;
8914 ret = get_errno(fchmodat(arg1, p, arg3, 0));
8915 unlock_user(p, arg2, 0);
8916 break;
8917#endif
8918 case TARGET_NR_getpriority:
8919
8920
8921 errno = 0;
8922 ret = getpriority(arg1, arg2);
8923 if (ret == -1 && errno != 0) {
8924 ret = -host_to_target_errno(errno);
8925 break;
8926 }
8927#ifdef TARGET_ALPHA
8928
8929 ((CPUAlphaState *)cpu_env)->ir[IR_V0] = 0;
8930#else
8931
8932 ret = 20 - ret;
8933#endif
8934 break;
8935 case TARGET_NR_setpriority:
8936 ret = get_errno(setpriority(arg1, arg2, arg3));
8937 break;
8938#ifdef TARGET_NR_profil
8939 case TARGET_NR_profil:
8940 goto unimplemented;
8941#endif
8942 case TARGET_NR_statfs:
8943 if (!(p = lock_user_string(arg1)))
8944 goto efault;
8945 ret = get_errno(statfs(path(p), &stfs));
8946 unlock_user(p, arg1, 0);
8947 convert_statfs:
8948 if (!is_error(ret)) {
8949 struct target_statfs *target_stfs;
8950
8951 if (!lock_user_struct(VERIFY_WRITE, target_stfs, arg2, 0))
8952 goto efault;
8953 __put_user(stfs.f_type, &target_stfs->f_type);
8954 __put_user(stfs.f_bsize, &target_stfs->f_bsize);
8955 __put_user(stfs.f_blocks, &target_stfs->f_blocks);
8956 __put_user(stfs.f_bfree, &target_stfs->f_bfree);
8957 __put_user(stfs.f_bavail, &target_stfs->f_bavail);
8958 __put_user(stfs.f_files, &target_stfs->f_files);
8959 __put_user(stfs.f_ffree, &target_stfs->f_ffree);
8960 __put_user(stfs.f_fsid.__val[0], &target_stfs->f_fsid.val[0]);
8961 __put_user(stfs.f_fsid.__val[1], &target_stfs->f_fsid.val[1]);
8962 __put_user(stfs.f_namelen, &target_stfs->f_namelen);
8963 __put_user(stfs.f_frsize, &target_stfs->f_frsize);
8964 memset(target_stfs->f_spare, 0, sizeof(target_stfs->f_spare));
8965 unlock_user_struct(target_stfs, arg2, 1);
8966 }
8967 break;
8968 case TARGET_NR_fstatfs:
8969 ret = get_errno(fstatfs(arg1, &stfs));
8970 goto convert_statfs;
8971#ifdef TARGET_NR_statfs64
8972 case TARGET_NR_statfs64:
8973 if (!(p = lock_user_string(arg1)))
8974 goto efault;
8975 ret = get_errno(statfs(path(p), &stfs));
8976 unlock_user(p, arg1, 0);
8977 convert_statfs64:
8978 if (!is_error(ret)) {
8979 struct target_statfs64 *target_stfs;
8980
8981 if (!lock_user_struct(VERIFY_WRITE, target_stfs, arg3, 0))
8982 goto efault;
8983 __put_user(stfs.f_type, &target_stfs->f_type);
8984 __put_user(stfs.f_bsize, &target_stfs->f_bsize);
8985 __put_user(stfs.f_blocks, &target_stfs->f_blocks);
8986 __put_user(stfs.f_bfree, &target_stfs->f_bfree);
8987 __put_user(stfs.f_bavail, &target_stfs->f_bavail);
8988 __put_user(stfs.f_files, &target_stfs->f_files);
8989 __put_user(stfs.f_ffree, &target_stfs->f_ffree);
8990 __put_user(stfs.f_fsid.__val[0], &target_stfs->f_fsid.val[0]);
8991 __put_user(stfs.f_fsid.__val[1], &target_stfs->f_fsid.val[1]);
8992 __put_user(stfs.f_namelen, &target_stfs->f_namelen);
8993 __put_user(stfs.f_frsize, &target_stfs->f_frsize);
8994 memset(target_stfs->f_spare, 0, sizeof(target_stfs->f_spare));
8995 unlock_user_struct(target_stfs, arg3, 1);
8996 }
8997 break;
8998 case TARGET_NR_fstatfs64:
8999 ret = get_errno(fstatfs(arg1, &stfs));
9000 goto convert_statfs64;
9001#endif
9002#ifdef TARGET_NR_ioperm
9003 case TARGET_NR_ioperm:
9004 goto unimplemented;
9005#endif
9006#ifdef TARGET_NR_socketcall
9007 case TARGET_NR_socketcall:
9008 ret = do_socketcall(arg1, arg2);
9009 break;
9010#endif
9011#ifdef TARGET_NR_accept
9012 case TARGET_NR_accept:
9013 ret = do_accept4(arg1, arg2, arg3, 0);
9014 break;
9015#endif
9016#ifdef TARGET_NR_accept4
9017 case TARGET_NR_accept4:
9018 ret = do_accept4(arg1, arg2, arg3, arg4);
9019 break;
9020#endif
9021#ifdef TARGET_NR_bind
9022 case TARGET_NR_bind:
9023 ret = do_bind(arg1, arg2, arg3);
9024 break;
9025#endif
9026#ifdef TARGET_NR_connect
9027 case TARGET_NR_connect:
9028 ret = do_connect(arg1, arg2, arg3);
9029 break;
9030#endif
9031#ifdef TARGET_NR_getpeername
9032 case TARGET_NR_getpeername:
9033 ret = do_getpeername(arg1, arg2, arg3);
9034 break;
9035#endif
9036#ifdef TARGET_NR_getsockname
9037 case TARGET_NR_getsockname:
9038 ret = do_getsockname(arg1, arg2, arg3);
9039 break;
9040#endif
9041#ifdef TARGET_NR_getsockopt
9042 case TARGET_NR_getsockopt:
9043 ret = do_getsockopt(arg1, arg2, arg3, arg4, arg5);
9044 break;
9045#endif
9046#ifdef TARGET_NR_listen
9047 case TARGET_NR_listen:
9048 ret = get_errno(listen(arg1, arg2));
9049 break;
9050#endif
9051#ifdef TARGET_NR_recv
9052 case TARGET_NR_recv:
9053 ret = do_recvfrom(arg1, arg2, arg3, arg4, 0, 0);
9054 break;
9055#endif
9056#ifdef TARGET_NR_recvfrom
9057 case TARGET_NR_recvfrom:
9058 ret = do_recvfrom(arg1, arg2, arg3, arg4, arg5, arg6);
9059 break;
9060#endif
9061#ifdef TARGET_NR_recvmsg
9062 case TARGET_NR_recvmsg:
9063 ret = do_sendrecvmsg(arg1, arg2, arg3, 0);
9064 break;
9065#endif
9066#ifdef TARGET_NR_send
9067 case TARGET_NR_send:
9068 ret = do_sendto(arg1, arg2, arg3, arg4, 0, 0);
9069 break;
9070#endif
9071#ifdef TARGET_NR_sendmsg
9072 case TARGET_NR_sendmsg:
9073 ret = do_sendrecvmsg(arg1, arg2, arg3, 1);
9074 break;
9075#endif
9076#ifdef TARGET_NR_sendmmsg
9077 case TARGET_NR_sendmmsg:
9078 ret = do_sendrecvmmsg(arg1, arg2, arg3, arg4, 1);
9079 break;
9080 case TARGET_NR_recvmmsg:
9081 ret = do_sendrecvmmsg(arg1, arg2, arg3, arg4, 0);
9082 break;
9083#endif
9084#ifdef TARGET_NR_sendto
9085 case TARGET_NR_sendto:
9086 ret = do_sendto(arg1, arg2, arg3, arg4, arg5, arg6);
9087 break;
9088#endif
9089#ifdef TARGET_NR_shutdown
9090 case TARGET_NR_shutdown:
9091 ret = get_errno(shutdown(arg1, arg2));
9092 break;
9093#endif
9094#if defined(TARGET_NR_getrandom) && defined(__NR_getrandom)
9095 case TARGET_NR_getrandom:
9096 p = lock_user(VERIFY_WRITE, arg1, arg2, 0);
9097 if (!p) {
9098 goto efault;
9099 }
9100 ret = get_errno(getrandom(p, arg2, arg3));
9101 unlock_user(p, arg1, ret);
9102 break;
9103#endif
9104#ifdef TARGET_NR_socket
9105 case TARGET_NR_socket:
9106 ret = do_socket(arg1, arg2, arg3);
9107 fd_trans_unregister(ret);
9108 break;
9109#endif
9110#ifdef TARGET_NR_socketpair
9111 case TARGET_NR_socketpair:
9112 ret = do_socketpair(arg1, arg2, arg3, arg4);
9113 break;
9114#endif
9115#ifdef TARGET_NR_setsockopt
9116 case TARGET_NR_setsockopt:
9117 ret = do_setsockopt(arg1, arg2, arg3, arg4, (socklen_t) arg5);
9118 break;
9119#endif
9120
9121 case TARGET_NR_syslog:
9122 if (!(p = lock_user_string(arg2)))
9123 goto efault;
9124 ret = get_errno(sys_syslog((int)arg1, p, (int)arg3));
9125 unlock_user(p, arg2, 0);
9126 break;
9127
9128 case TARGET_NR_setitimer:
9129 {
9130 struct itimerval value, ovalue, *pvalue;
9131
9132 if (arg2) {
9133 pvalue = &value;
9134 if (copy_from_user_timeval(&pvalue->it_interval, arg2)
9135 || copy_from_user_timeval(&pvalue->it_value,
9136 arg2 + sizeof(struct target_timeval)))
9137 goto efault;
9138 } else {
9139 pvalue = NULL;
9140 }
9141 ret = get_errno(setitimer(arg1, pvalue, &ovalue));
9142 if (!is_error(ret) && arg3) {
9143 if (copy_to_user_timeval(arg3,
9144 &ovalue.it_interval)
9145 || copy_to_user_timeval(arg3 + sizeof(struct target_timeval),
9146 &ovalue.it_value))
9147 goto efault;
9148 }
9149 }
9150 break;
9151 case TARGET_NR_getitimer:
9152 {
9153 struct itimerval value;
9154
9155 ret = get_errno(getitimer(arg1, &value));
9156 if (!is_error(ret) && arg2) {
9157 if (copy_to_user_timeval(arg2,
9158 &value.it_interval)
9159 || copy_to_user_timeval(arg2 + sizeof(struct target_timeval),
9160 &value.it_value))
9161 goto efault;
9162 }
9163 }
9164 break;
9165#ifdef TARGET_NR_stat
9166 case TARGET_NR_stat:
9167 if (!(p = lock_user_string(arg1)))
9168 goto efault;
9169 ret = get_errno(stat(path(p), &st));
9170 unlock_user(p, arg1, 0);
9171 goto do_stat;
9172#endif
9173#ifdef TARGET_NR_lstat
9174 case TARGET_NR_lstat:
9175 if (!(p = lock_user_string(arg1)))
9176 goto efault;
9177 ret = get_errno(lstat(path(p), &st));
9178 unlock_user(p, arg1, 0);
9179 goto do_stat;
9180#endif
9181 case TARGET_NR_fstat:
9182 {
9183 ret = get_errno(fstat(arg1, &st));
9184#if defined(TARGET_NR_stat) || defined(TARGET_NR_lstat)
9185 do_stat:
9186#endif
9187 if (!is_error(ret)) {
9188 struct target_stat *target_st;
9189
9190 if (!lock_user_struct(VERIFY_WRITE, target_st, arg2, 0))
9191 goto efault;
9192 memset(target_st, 0, sizeof(*target_st));
9193 __put_user(st.st_dev, &target_st->st_dev);
9194 __put_user(st.st_ino, &target_st->st_ino);
9195 __put_user(st.st_mode, &target_st->st_mode);
9196 __put_user(st.st_uid, &target_st->st_uid);
9197 __put_user(st.st_gid, &target_st->st_gid);
9198 __put_user(st.st_nlink, &target_st->st_nlink);
9199 __put_user(st.st_rdev, &target_st->st_rdev);
9200 __put_user(st.st_size, &target_st->st_size);
9201 __put_user(st.st_blksize, &target_st->st_blksize);
9202 __put_user(st.st_blocks, &target_st->st_blocks);
9203 __put_user(st.st_atime, &target_st->target_st_atime);
9204 __put_user(st.st_mtime, &target_st->target_st_mtime);
9205 __put_user(st.st_ctime, &target_st->target_st_ctime);
9206 unlock_user_struct(target_st, arg2, 1);
9207 }
9208 }
9209 break;
9210#ifdef TARGET_NR_olduname
9211 case TARGET_NR_olduname:
9212 goto unimplemented;
9213#endif
9214#ifdef TARGET_NR_iopl
9215 case TARGET_NR_iopl:
9216 goto unimplemented;
9217#endif
9218 case TARGET_NR_vhangup:
9219 ret = get_errno(vhangup());
9220 break;
9221#ifdef TARGET_NR_idle
9222 case TARGET_NR_idle:
9223 goto unimplemented;
9224#endif
9225#ifdef TARGET_NR_syscall
9226 case TARGET_NR_syscall:
9227 ret = do_syscall(cpu_env, arg1 & 0xffff, arg2, arg3, arg4, arg5,
9228 arg6, arg7, arg8, 0);
9229 break;
9230#endif
9231 case TARGET_NR_wait4:
9232 {
9233 int status;
9234 abi_long status_ptr = arg2;
9235 struct rusage rusage, *rusage_ptr;
9236 abi_ulong target_rusage = arg4;
9237 abi_long rusage_err;
9238 if (target_rusage)
9239 rusage_ptr = &rusage;
9240 else
9241 rusage_ptr = NULL;
9242 ret = get_errno(safe_wait4(arg1, &status, arg3, rusage_ptr));
9243 if (!is_error(ret)) {
9244 if (status_ptr && ret) {
9245 status = host_to_target_waitstatus(status);
9246 if (put_user_s32(status, status_ptr))
9247 goto efault;
9248 }
9249 if (target_rusage) {
9250 rusage_err = host_to_target_rusage(target_rusage, &rusage);
9251 if (rusage_err) {
9252 ret = rusage_err;
9253 }
9254 }
9255 }
9256 }
9257 break;
9258#ifdef TARGET_NR_swapoff
9259 case TARGET_NR_swapoff:
9260 if (!(p = lock_user_string(arg1)))
9261 goto efault;
9262 ret = get_errno(swapoff(p));
9263 unlock_user(p, arg1, 0);
9264 break;
9265#endif
9266 case TARGET_NR_sysinfo:
9267 {
9268 struct target_sysinfo *target_value;
9269 struct sysinfo value;
9270 ret = get_errno(sysinfo(&value));
9271 if (!is_error(ret) && arg1)
9272 {
9273 if (!lock_user_struct(VERIFY_WRITE, target_value, arg1, 0))
9274 goto efault;
9275 __put_user(value.uptime, &target_value->uptime);
9276 __put_user(value.loads[0], &target_value->loads[0]);
9277 __put_user(value.loads[1], &target_value->loads[1]);
9278 __put_user(value.loads[2], &target_value->loads[2]);
9279 __put_user(value.totalram, &target_value->totalram);
9280 __put_user(value.freeram, &target_value->freeram);
9281 __put_user(value.sharedram, &target_value->sharedram);
9282 __put_user(value.bufferram, &target_value->bufferram);
9283 __put_user(value.totalswap, &target_value->totalswap);
9284 __put_user(value.freeswap, &target_value->freeswap);
9285 __put_user(value.procs, &target_value->procs);
9286 __put_user(value.totalhigh, &target_value->totalhigh);
9287 __put_user(value.freehigh, &target_value->freehigh);
9288 __put_user(value.mem_unit, &target_value->mem_unit);
9289 unlock_user_struct(target_value, arg1, 1);
9290 }
9291 }
9292 break;
9293#ifdef TARGET_NR_ipc
9294 case TARGET_NR_ipc:
9295 ret = do_ipc(arg1, arg2, arg3, arg4, arg5, arg6);
9296 break;
9297#endif
9298#ifdef TARGET_NR_semget
9299 case TARGET_NR_semget:
9300 ret = get_errno(semget(arg1, arg2, arg3));
9301 break;
9302#endif
9303#ifdef TARGET_NR_semop
9304 case TARGET_NR_semop:
9305 ret = do_semop(arg1, arg2, arg3);
9306 break;
9307#endif
9308#ifdef TARGET_NR_semctl
9309 case TARGET_NR_semctl:
9310 ret = do_semctl(arg1, arg2, arg3, arg4);
9311 break;
9312#endif
9313#ifdef TARGET_NR_msgctl
9314 case TARGET_NR_msgctl:
9315 ret = do_msgctl(arg1, arg2, arg3);
9316 break;
9317#endif
9318#ifdef TARGET_NR_msgget
9319 case TARGET_NR_msgget:
9320 ret = get_errno(msgget(arg1, arg2));
9321 break;
9322#endif
9323#ifdef TARGET_NR_msgrcv
9324 case TARGET_NR_msgrcv:
9325 ret = do_msgrcv(arg1, arg2, arg3, arg4, arg5);
9326 break;
9327#endif
9328#ifdef TARGET_NR_msgsnd
9329 case TARGET_NR_msgsnd:
9330 ret = do_msgsnd(arg1, arg2, arg3, arg4);
9331 break;
9332#endif
9333#ifdef TARGET_NR_shmget
9334 case TARGET_NR_shmget:
9335 ret = get_errno(shmget(arg1, arg2, arg3));
9336 break;
9337#endif
9338#ifdef TARGET_NR_shmctl
9339 case TARGET_NR_shmctl:
9340 ret = do_shmctl(arg1, arg2, arg3);
9341 break;
9342#endif
9343#ifdef TARGET_NR_shmat
9344 case TARGET_NR_shmat:
9345 ret = do_shmat(arg1, arg2, arg3);
9346 break;
9347#endif
9348#ifdef TARGET_NR_shmdt
9349 case TARGET_NR_shmdt:
9350 ret = do_shmdt(arg1);
9351 break;
9352#endif
9353 case TARGET_NR_fsync:
9354 ret = get_errno(fsync(arg1));
9355 break;
9356 case TARGET_NR_clone:
9357
9358
9359
9360
9361
9362
9363#if defined(TARGET_MICROBLAZE)
9364 ret = get_errno(do_fork(cpu_env, arg1, arg2, arg4, arg6, arg5));
9365#elif defined(TARGET_CLONE_BACKWARDS)
9366 ret = get_errno(do_fork(cpu_env, arg1, arg2, arg3, arg4, arg5));
9367#elif defined(TARGET_CLONE_BACKWARDS2)
9368 ret = get_errno(do_fork(cpu_env, arg2, arg1, arg3, arg5, arg4));
9369#else
9370 ret = get_errno(do_fork(cpu_env, arg1, arg2, arg3, arg5, arg4));
9371#endif
9372 break;
9373#ifdef __NR_exit_group
9374
9375 case TARGET_NR_exit_group:
9376#ifdef TARGET_GPROF
9377 _mcleanup();
9378#endif
9379 gdb_exit(cpu_env, arg1);
9380 ret = get_errno(exit_group(arg1));
9381 break;
9382#endif
9383 case TARGET_NR_setdomainname:
9384 if (!(p = lock_user_string(arg1)))
9385 goto efault;
9386 ret = get_errno(setdomainname(p, arg2));
9387 unlock_user(p, arg1, 0);
9388 break;
9389 case TARGET_NR_uname:
9390
9391 {
9392 struct new_utsname * buf;
9393
9394 if (!lock_user_struct(VERIFY_WRITE, buf, arg1, 0))
9395 goto efault;
9396 ret = get_errno(sys_uname(buf));
9397 if (!is_error(ret)) {
9398
9399
9400 strcpy (buf->machine, cpu_to_uname_machine(cpu_env));
9401
9402 if (qemu_uname_release && *qemu_uname_release) {
9403 g_strlcpy(buf->release, qemu_uname_release,
9404 sizeof(buf->release));
9405 }
9406 }
9407 unlock_user_struct(buf, arg1, 1);
9408 }
9409 break;
9410#ifdef TARGET_I386
9411 case TARGET_NR_modify_ldt:
9412 ret = do_modify_ldt(cpu_env, arg1, arg2, arg3);
9413 break;
9414#if !defined(TARGET_X86_64)
9415 case TARGET_NR_vm86old:
9416 goto unimplemented;
9417 case TARGET_NR_vm86:
9418 ret = do_vm86(cpu_env, arg1, arg2);
9419 break;
9420#endif
9421#endif
9422 case TARGET_NR_adjtimex:
9423 goto unimplemented;
9424#ifdef TARGET_NR_create_module
9425 case TARGET_NR_create_module:
9426#endif
9427 case TARGET_NR_init_module:
9428 case TARGET_NR_delete_module:
9429#ifdef TARGET_NR_get_kernel_syms
9430 case TARGET_NR_get_kernel_syms:
9431#endif
9432 goto unimplemented;
9433 case TARGET_NR_quotactl:
9434 goto unimplemented;
9435 case TARGET_NR_getpgid:
9436 ret = get_errno(getpgid(arg1));
9437 break;
9438 case TARGET_NR_fchdir:
9439 ret = get_errno(fchdir(arg1));
9440 break;
9441#ifdef TARGET_NR_bdflush
9442 case TARGET_NR_bdflush:
9443 goto unimplemented;
9444#endif
9445#ifdef TARGET_NR_sysfs
9446 case TARGET_NR_sysfs:
9447 goto unimplemented;
9448#endif
9449 case TARGET_NR_personality:
9450 ret = get_errno(personality(arg1));
9451 break;
9452#ifdef TARGET_NR_afs_syscall
9453 case TARGET_NR_afs_syscall:
9454 goto unimplemented;
9455#endif
9456#ifdef TARGET_NR__llseek
9457 case TARGET_NR__llseek:
9458 {
9459 int64_t res;
9460#if !defined(__NR_llseek)
9461 res = lseek(arg1, ((uint64_t)arg2 << 32) | (abi_ulong)arg3, arg5);
9462 if (res == -1) {
9463 ret = get_errno(res);
9464 } else {
9465 ret = 0;
9466 }
9467#else
9468 ret = get_errno(_llseek(arg1, arg2, arg3, &res, arg5));
9469#endif
9470 if ((ret == 0) && put_user_s64(res, arg4)) {
9471 goto efault;
9472 }
9473 }
9474 break;
9475#endif
9476#ifdef TARGET_NR_getdents
9477 case TARGET_NR_getdents:
9478#ifdef __NR_getdents
9479#if TARGET_ABI_BITS == 32 && HOST_LONG_BITS == 64
9480 {
9481 struct target_dirent *target_dirp;
9482 struct linux_dirent *dirp;
9483 abi_long count = arg3;
9484
9485 dirp = g_try_malloc(count);
9486 if (!dirp) {
9487 ret = -TARGET_ENOMEM;
9488 goto fail;
9489 }
9490
9491 ret = get_errno(sys_getdents(arg1, dirp, count));
9492 if (!is_error(ret)) {
9493 struct linux_dirent *de;
9494 struct target_dirent *tde;
9495 int len = ret;
9496 int reclen, treclen;
9497 int count1, tnamelen;
9498
9499 count1 = 0;
9500 de = dirp;
9501 if (!(target_dirp = lock_user(VERIFY_WRITE, arg2, count, 0)))
9502 goto efault;
9503 tde = target_dirp;
9504 while (len > 0) {
9505 reclen = de->d_reclen;
9506 tnamelen = reclen - offsetof(struct linux_dirent, d_name);
9507 assert(tnamelen >= 0);
9508 treclen = tnamelen + offsetof(struct target_dirent, d_name);
9509 assert(count1 + treclen <= count);
9510 tde->d_reclen = tswap16(treclen);
9511 tde->d_ino = tswapal(de->d_ino);
9512 tde->d_off = tswapal(de->d_off);
9513 memcpy(tde->d_name, de->d_name, tnamelen);
9514 de = (struct linux_dirent *)((char *)de + reclen);
9515 len -= reclen;
9516 tde = (struct target_dirent *)((char *)tde + treclen);
9517 count1 += treclen;
9518 }
9519 ret = count1;
9520 unlock_user(target_dirp, arg2, ret);
9521 }
9522 g_free(dirp);
9523 }
9524#else
9525 {
9526 struct linux_dirent *dirp;
9527 abi_long count = arg3;
9528
9529 if (!(dirp = lock_user(VERIFY_WRITE, arg2, count, 0)))
9530 goto efault;
9531 ret = get_errno(sys_getdents(arg1, dirp, count));
9532 if (!is_error(ret)) {
9533 struct linux_dirent *de;
9534 int len = ret;
9535 int reclen;
9536 de = dirp;
9537 while (len > 0) {
9538 reclen = de->d_reclen;
9539 if (reclen > len)
9540 break;
9541 de->d_reclen = tswap16(reclen);
9542 tswapls(&de->d_ino);
9543 tswapls(&de->d_off);
9544 de = (struct linux_dirent *)((char *)de + reclen);
9545 len -= reclen;
9546 }
9547 }
9548 unlock_user(dirp, arg2, ret);
9549 }
9550#endif
9551#else
9552
9553 {
9554 struct linux_dirent64 *dirp;
9555 abi_long count = arg3;
9556
9557 dirp = lock_user(VERIFY_WRITE, arg2, count, 0);
9558 if (!dirp) {
9559 goto efault;
9560 }
9561 ret = get_errno(sys_getdents64(arg1, dirp, count));
9562 if (!is_error(ret)) {
9563
9564
9565
9566
9567
9568 struct linux_dirent64 *de;
9569 struct target_dirent *tde;
9570 int len = ret;
9571 int tlen = 0;
9572
9573 de = dirp;
9574 tde = (struct target_dirent *)dirp;
9575 while (len > 0) {
9576 int namelen, treclen;
9577 int reclen = de->d_reclen;
9578 uint64_t ino = de->d_ino;
9579 int64_t off = de->d_off;
9580 uint8_t type = de->d_type;
9581
9582 namelen = strlen(de->d_name);
9583 treclen = offsetof(struct target_dirent, d_name)
9584 + namelen + 2;
9585 treclen = QEMU_ALIGN_UP(treclen, sizeof(abi_long));
9586
9587 memmove(tde->d_name, de->d_name, namelen + 1);
9588 tde->d_ino = tswapal(ino);
9589 tde->d_off = tswapal(off);
9590 tde->d_reclen = tswap16(treclen);
9591
9592
9593
9594 *(((char *)tde) + treclen - 1) = type;
9595
9596 de = (struct linux_dirent64 *)((char *)de + reclen);
9597 tde = (struct target_dirent *)((char *)tde + treclen);
9598 len -= reclen;
9599 tlen += treclen;
9600 }
9601 ret = tlen;
9602 }
9603 unlock_user(dirp, arg2, ret);
9604 }
9605#endif
9606 break;
9607#endif
9608#if defined(TARGET_NR_getdents64) && defined(__NR_getdents64)
9609 case TARGET_NR_getdents64:
9610 {
9611 struct linux_dirent64 *dirp;
9612 abi_long count = arg3;
9613 if (!(dirp = lock_user(VERIFY_WRITE, arg2, count, 0)))
9614 goto efault;
9615 ret = get_errno(sys_getdents64(arg1, dirp, count));
9616 if (!is_error(ret)) {
9617 struct linux_dirent64 *de;
9618 int len = ret;
9619 int reclen;
9620 de = dirp;
9621 while (len > 0) {
9622 reclen = de->d_reclen;
9623 if (reclen > len)
9624 break;
9625 de->d_reclen = tswap16(reclen);
9626 tswap64s((uint64_t *)&de->d_ino);
9627 tswap64s((uint64_t *)&de->d_off);
9628 de = (struct linux_dirent64 *)((char *)de + reclen);
9629 len -= reclen;
9630 }
9631 }
9632 unlock_user(dirp, arg2, ret);
9633 }
9634 break;
9635#endif
9636#if defined(TARGET_NR__newselect)
9637 case TARGET_NR__newselect:
9638 ret = do_select(arg1, arg2, arg3, arg4, arg5);
9639 break;
9640#endif
9641#if defined(TARGET_NR_poll) || defined(TARGET_NR_ppoll)
9642# ifdef TARGET_NR_poll
9643 case TARGET_NR_poll:
9644# endif
9645# ifdef TARGET_NR_ppoll
9646 case TARGET_NR_ppoll:
9647# endif
9648 {
9649 struct target_pollfd *target_pfd;
9650 unsigned int nfds = arg2;
9651 struct pollfd *pfd;
9652 unsigned int i;
9653
9654 pfd = NULL;
9655 target_pfd = NULL;
9656 if (nfds) {
9657 target_pfd = lock_user(VERIFY_WRITE, arg1,
9658 sizeof(struct target_pollfd) * nfds, 1);
9659 if (!target_pfd) {
9660 goto efault;
9661 }
9662
9663 pfd = alloca(sizeof(struct pollfd) * nfds);
9664 for (i = 0; i < nfds; i++) {
9665 pfd[i].fd = tswap32(target_pfd[i].fd);
9666 pfd[i].events = tswap16(target_pfd[i].events);
9667 }
9668 }
9669
9670 switch (num) {
9671# ifdef TARGET_NR_ppoll
9672 case TARGET_NR_ppoll:
9673 {
9674 struct timespec _timeout_ts, *timeout_ts = &_timeout_ts;
9675 target_sigset_t *target_set;
9676 sigset_t _set, *set = &_set;
9677
9678 if (arg3) {
9679 if (target_to_host_timespec(timeout_ts, arg3)) {
9680 unlock_user(target_pfd, arg1, 0);
9681 goto efault;
9682 }
9683 } else {
9684 timeout_ts = NULL;
9685 }
9686
9687 if (arg4) {
9688 if (arg5 != sizeof(target_sigset_t)) {
9689 unlock_user(target_pfd, arg1, 0);
9690 ret = -TARGET_EINVAL;
9691 break;
9692 }
9693
9694 target_set = lock_user(VERIFY_READ, arg4, sizeof(target_sigset_t), 1);
9695 if (!target_set) {
9696 unlock_user(target_pfd, arg1, 0);
9697 goto efault;
9698 }
9699 target_to_host_sigset(set, target_set);
9700 } else {
9701 set = NULL;
9702 }
9703
9704 ret = get_errno(safe_ppoll(pfd, nfds, timeout_ts,
9705 set, SIGSET_T_SIZE));
9706
9707 if (!is_error(ret) && arg3) {
9708 host_to_target_timespec(arg3, timeout_ts);
9709 }
9710 if (arg4) {
9711 unlock_user(target_set, arg4, 0);
9712 }
9713 break;
9714 }
9715# endif
9716# ifdef TARGET_NR_poll
9717 case TARGET_NR_poll:
9718 {
9719 struct timespec ts, *pts;
9720
9721 if (arg3 >= 0) {
9722
9723 ts.tv_sec = arg3 / 1000;
9724 ts.tv_nsec = (arg3 % 1000) * 1000000LL;
9725 pts = &ts;
9726 } else {
9727
9728 pts = NULL;
9729 }
9730 ret = get_errno(safe_ppoll(pfd, nfds, pts, NULL, 0));
9731 break;
9732 }
9733# endif
9734 default:
9735 g_assert_not_reached();
9736 }
9737
9738 if (!is_error(ret)) {
9739 for(i = 0; i < nfds; i++) {
9740 target_pfd[i].revents = tswap16(pfd[i].revents);
9741 }
9742 }
9743 unlock_user(target_pfd, arg1, sizeof(struct target_pollfd) * nfds);
9744 }
9745 break;
9746#endif
9747 case TARGET_NR_flock:
9748
9749
9750 ret = get_errno(safe_flock(arg1, arg2));
9751 break;
9752 case TARGET_NR_readv:
9753 {
9754 struct iovec *vec = lock_iovec(VERIFY_WRITE, arg2, arg3, 0);
9755 if (vec != NULL) {
9756 ret = get_errno(safe_readv(arg1, vec, arg3));
9757 unlock_iovec(vec, arg2, arg3, 1);
9758 } else {
9759 ret = -host_to_target_errno(errno);
9760 }
9761 }
9762 break;
9763 case TARGET_NR_writev:
9764 {
9765 struct iovec *vec = lock_iovec(VERIFY_READ, arg2, arg3, 1);
9766 if (vec != NULL) {
9767 ret = get_errno(safe_writev(arg1, vec, arg3));
9768 unlock_iovec(vec, arg2, arg3, 0);
9769 } else {
9770 ret = -host_to_target_errno(errno);
9771 }
9772 }
9773 break;
9774 case TARGET_NR_getsid:
9775 ret = get_errno(getsid(arg1));
9776 break;
9777#if defined(TARGET_NR_fdatasync)
9778 case TARGET_NR_fdatasync:
9779 ret = get_errno(fdatasync(arg1));
9780 break;
9781#endif
9782#ifdef TARGET_NR__sysctl
9783 case TARGET_NR__sysctl:
9784
9785
9786 ret = -TARGET_ENOTDIR;
9787 break;
9788#endif
9789 case TARGET_NR_sched_getaffinity:
9790 {
9791 unsigned int mask_size;
9792 unsigned long *mask;
9793
9794
9795
9796
9797
9798 if (arg2 & (sizeof(abi_ulong) - 1)) {
9799 ret = -TARGET_EINVAL;
9800 break;
9801 }
9802 mask_size = (arg2 + (sizeof(*mask) - 1)) & ~(sizeof(*mask) - 1);
9803
9804 mask = alloca(mask_size);
9805 ret = get_errno(sys_sched_getaffinity(arg1, mask_size, mask));
9806
9807 if (!is_error(ret)) {
9808 if (ret > arg2) {
9809
9810
9811
9812
9813
9814
9815
9816 int numcpus = sysconf(_SC_NPROCESSORS_CONF);
9817 if (numcpus > arg2 * 8) {
9818 ret = -TARGET_EINVAL;
9819 break;
9820 }
9821 ret = arg2;
9822 }
9823
9824 if (copy_to_user(arg3, mask, ret)) {
9825 goto efault;
9826 }
9827 }
9828 }
9829 break;
9830 case TARGET_NR_sched_setaffinity:
9831 {
9832 unsigned int mask_size;
9833 unsigned long *mask;
9834
9835
9836
9837
9838
9839 if (arg2 & (sizeof(abi_ulong) - 1)) {
9840 ret = -TARGET_EINVAL;
9841 break;
9842 }
9843 mask_size = (arg2 + (sizeof(*mask) - 1)) & ~(sizeof(*mask) - 1);
9844
9845 mask = alloca(mask_size);
9846 if (!lock_user_struct(VERIFY_READ, p, arg3, 1)) {
9847 goto efault;
9848 }
9849 memcpy(mask, p, arg2);
9850 unlock_user_struct(p, arg2, 0);
9851
9852 ret = get_errno(sys_sched_setaffinity(arg1, mask_size, mask));
9853 }
9854 break;
9855 case TARGET_NR_sched_setparam:
9856 {
9857 struct sched_param *target_schp;
9858 struct sched_param schp;
9859
9860 if (arg2 == 0) {
9861 return -TARGET_EINVAL;
9862 }
9863 if (!lock_user_struct(VERIFY_READ, target_schp, arg2, 1))
9864 goto efault;
9865 schp.sched_priority = tswap32(target_schp->sched_priority);
9866 unlock_user_struct(target_schp, arg2, 0);
9867 ret = get_errno(sched_setparam(arg1, &schp));
9868 }
9869 break;
9870 case TARGET_NR_sched_getparam:
9871 {
9872 struct sched_param *target_schp;
9873 struct sched_param schp;
9874
9875 if (arg2 == 0) {
9876 return -TARGET_EINVAL;
9877 }
9878 ret = get_errno(sched_getparam(arg1, &schp));
9879 if (!is_error(ret)) {
9880 if (!lock_user_struct(VERIFY_WRITE, target_schp, arg2, 0))
9881 goto efault;
9882 target_schp->sched_priority = tswap32(schp.sched_priority);
9883 unlock_user_struct(target_schp, arg2, 1);
9884 }
9885 }
9886 break;
9887 case TARGET_NR_sched_setscheduler:
9888 {
9889 struct sched_param *target_schp;
9890 struct sched_param schp;
9891 if (arg3 == 0) {
9892 return -TARGET_EINVAL;
9893 }
9894 if (!lock_user_struct(VERIFY_READ, target_schp, arg3, 1))
9895 goto efault;
9896 schp.sched_priority = tswap32(target_schp->sched_priority);
9897 unlock_user_struct(target_schp, arg3, 0);
9898 ret = get_errno(sched_setscheduler(arg1, arg2, &schp));
9899 }
9900 break;
9901 case TARGET_NR_sched_getscheduler:
9902 ret = get_errno(sched_getscheduler(arg1));
9903 break;
9904 case TARGET_NR_sched_yield:
9905 ret = get_errno(sched_yield());
9906 break;
9907 case TARGET_NR_sched_get_priority_max:
9908 ret = get_errno(sched_get_priority_max(arg1));
9909 break;
9910 case TARGET_NR_sched_get_priority_min:
9911 ret = get_errno(sched_get_priority_min(arg1));
9912 break;
9913 case TARGET_NR_sched_rr_get_interval:
9914 {
9915 struct timespec ts;
9916 ret = get_errno(sched_rr_get_interval(arg1, &ts));
9917 if (!is_error(ret)) {
9918 ret = host_to_target_timespec(arg2, &ts);
9919 }
9920 }
9921 break;
9922 case TARGET_NR_nanosleep:
9923 {
9924 struct timespec req, rem;
9925 target_to_host_timespec(&req, arg1);
9926 ret = get_errno(safe_nanosleep(&req, &rem));
9927 if (is_error(ret) && arg2) {
9928 host_to_target_timespec(arg2, &rem);
9929 }
9930 }
9931 break;
9932#ifdef TARGET_NR_query_module
9933 case TARGET_NR_query_module:
9934 goto unimplemented;
9935#endif
9936#ifdef TARGET_NR_nfsservctl
9937 case TARGET_NR_nfsservctl:
9938 goto unimplemented;
9939#endif
9940 case TARGET_NR_prctl:
9941 switch (arg1) {
9942 case PR_GET_PDEATHSIG:
9943 {
9944 int deathsig;
9945 ret = get_errno(prctl(arg1, &deathsig, arg3, arg4, arg5));
9946 if (!is_error(ret) && arg2
9947 && put_user_ual(deathsig, arg2)) {
9948 goto efault;
9949 }
9950 break;
9951 }
9952#ifdef PR_GET_NAME
9953 case PR_GET_NAME:
9954 {
9955 void *name = lock_user(VERIFY_WRITE, arg2, 16, 1);
9956 if (!name) {
9957 goto efault;
9958 }
9959 ret = get_errno(prctl(arg1, (unsigned long)name,
9960 arg3, arg4, arg5));
9961 unlock_user(name, arg2, 16);
9962 break;
9963 }
9964 case PR_SET_NAME:
9965 {
9966 void *name = lock_user(VERIFY_READ, arg2, 16, 1);
9967 if (!name) {
9968 goto efault;
9969 }
9970 ret = get_errno(prctl(arg1, (unsigned long)name,
9971 arg3, arg4, arg5));
9972 unlock_user(name, arg2, 0);
9973 break;
9974 }
9975#endif
9976 default:
9977
9978 ret = get_errno(prctl(arg1, arg2, arg3, arg4, arg5));
9979 break;
9980 }
9981 break;
9982#ifdef TARGET_NR_arch_prctl
9983 case TARGET_NR_arch_prctl:
9984#if defined(TARGET_I386) && !defined(TARGET_ABI32)
9985 ret = do_arch_prctl(cpu_env, arg1, arg2);
9986 break;
9987#else
9988 goto unimplemented;
9989#endif
9990#endif
9991#ifdef TARGET_NR_pread64
9992 case TARGET_NR_pread64:
9993 if (regpairs_aligned(cpu_env)) {
9994 arg4 = arg5;
9995 arg5 = arg6;
9996 }
9997 if (!(p = lock_user(VERIFY_WRITE, arg2, arg3, 0)))
9998 goto efault;
9999 ret = get_errno(pread64(arg1, p, arg3, target_offset64(arg4, arg5)));
10000 unlock_user(p, arg2, ret);
10001 break;
10002 case TARGET_NR_pwrite64:
10003 if (regpairs_aligned(cpu_env)) {
10004 arg4 = arg5;
10005 arg5 = arg6;
10006 }
10007 if (!(p = lock_user(VERIFY_READ, arg2, arg3, 1)))
10008 goto efault;
10009 ret = get_errno(pwrite64(arg1, p, arg3, target_offset64(arg4, arg5)));
10010 unlock_user(p, arg2, 0);
10011 break;
10012#endif
10013 case TARGET_NR_getcwd:
10014 if (!(p = lock_user(VERIFY_WRITE, arg1, arg2, 0)))
10015 goto efault;
10016 ret = get_errno(sys_getcwd1(p, arg2));
10017 unlock_user(p, arg1, ret);
10018 break;
10019 case TARGET_NR_capget:
10020 case TARGET_NR_capset:
10021 {
10022 struct target_user_cap_header *target_header;
10023 struct target_user_cap_data *target_data = NULL;
10024 struct __user_cap_header_struct header;
10025 struct __user_cap_data_struct data[2];
10026 struct __user_cap_data_struct *dataptr = NULL;
10027 int i, target_datalen;
10028 int data_items = 1;
10029
10030 if (!lock_user_struct(VERIFY_WRITE, target_header, arg1, 1)) {
10031 goto efault;
10032 }
10033 header.version = tswap32(target_header->version);
10034 header.pid = tswap32(target_header->pid);
10035
10036 if (header.version != _LINUX_CAPABILITY_VERSION) {
10037
10038 data_items = 2;
10039 }
10040
10041 target_datalen = sizeof(*target_data) * data_items;
10042
10043 if (arg2) {
10044 if (num == TARGET_NR_capget) {
10045 target_data = lock_user(VERIFY_WRITE, arg2, target_datalen, 0);
10046 } else {
10047 target_data = lock_user(VERIFY_READ, arg2, target_datalen, 1);
10048 }
10049 if (!target_data) {
10050 unlock_user_struct(target_header, arg1, 0);
10051 goto efault;
10052 }
10053
10054 if (num == TARGET_NR_capset) {
10055 for (i = 0; i < data_items; i++) {
10056 data[i].effective = tswap32(target_data[i].effective);
10057 data[i].permitted = tswap32(target_data[i].permitted);
10058 data[i].inheritable = tswap32(target_data[i].inheritable);
10059 }
10060 }
10061
10062 dataptr = data;
10063 }
10064
10065 if (num == TARGET_NR_capget) {
10066 ret = get_errno(capget(&header, dataptr));
10067 } else {
10068 ret = get_errno(capset(&header, dataptr));
10069 }
10070
10071
10072 target_header->version = tswap32(header.version);
10073 unlock_user_struct(target_header, arg1, 1);
10074
10075 if (arg2) {
10076 if (num == TARGET_NR_capget) {
10077 for (i = 0; i < data_items; i++) {
10078 target_data[i].effective = tswap32(data[i].effective);
10079 target_data[i].permitted = tswap32(data[i].permitted);
10080 target_data[i].inheritable = tswap32(data[i].inheritable);
10081 }
10082 unlock_user(target_data, arg2, target_datalen);
10083 } else {
10084 unlock_user(target_data, arg2, 0);
10085 }
10086 }
10087 break;
10088 }
10089 case TARGET_NR_sigaltstack:
10090 ret = do_sigaltstack(arg1, arg2, get_sp_from_cpustate((CPUArchState *)cpu_env));
10091 break;
10092
10093#ifdef CONFIG_SENDFILE
10094 case TARGET_NR_sendfile:
10095 {
10096 off_t *offp = NULL;
10097 off_t off;
10098 if (arg3) {
10099 ret = get_user_sal(off, arg3);
10100 if (is_error(ret)) {
10101 break;
10102 }
10103 offp = &off;
10104 }
10105 ret = get_errno(sendfile(arg1, arg2, offp, arg4));
10106 if (!is_error(ret) && arg3) {
10107 abi_long ret2 = put_user_sal(off, arg3);
10108 if (is_error(ret2)) {
10109 ret = ret2;
10110 }
10111 }
10112 break;
10113 }
10114#ifdef TARGET_NR_sendfile64
10115 case TARGET_NR_sendfile64:
10116 {
10117 off_t *offp = NULL;
10118 off_t off;
10119 if (arg3) {
10120 ret = get_user_s64(off, arg3);
10121 if (is_error(ret)) {
10122 break;
10123 }
10124 offp = &off;
10125 }
10126 ret = get_errno(sendfile(arg1, arg2, offp, arg4));
10127 if (!is_error(ret) && arg3) {
10128 abi_long ret2 = put_user_s64(off, arg3);
10129 if (is_error(ret2)) {
10130 ret = ret2;
10131 }
10132 }
10133 break;
10134 }
10135#endif
10136#else
10137 case TARGET_NR_sendfile:
10138#ifdef TARGET_NR_sendfile64
10139 case TARGET_NR_sendfile64:
10140#endif
10141 goto unimplemented;
10142#endif
10143
10144#ifdef TARGET_NR_getpmsg
10145 case TARGET_NR_getpmsg:
10146 goto unimplemented;
10147#endif
10148#ifdef TARGET_NR_putpmsg
10149 case TARGET_NR_putpmsg:
10150 goto unimplemented;
10151#endif
10152#ifdef TARGET_NR_vfork
10153 case TARGET_NR_vfork:
10154 ret = get_errno(do_fork(cpu_env, CLONE_VFORK | CLONE_VM | SIGCHLD,
10155 0, 0, 0, 0));
10156 break;
10157#endif
10158#ifdef TARGET_NR_ugetrlimit
10159 case TARGET_NR_ugetrlimit:
10160 {
10161 struct rlimit rlim;
10162 int resource = target_to_host_resource(arg1);
10163 ret = get_errno(getrlimit(resource, &rlim));
10164 if (!is_error(ret)) {
10165 struct target_rlimit *target_rlim;
10166 if (!lock_user_struct(VERIFY_WRITE, target_rlim, arg2, 0))
10167 goto efault;
10168 target_rlim->rlim_cur = host_to_target_rlim(rlim.rlim_cur);
10169 target_rlim->rlim_max = host_to_target_rlim(rlim.rlim_max);
10170 unlock_user_struct(target_rlim, arg2, 1);
10171 }
10172 break;
10173 }
10174#endif
10175#ifdef TARGET_NR_truncate64
10176 case TARGET_NR_truncate64:
10177 if (!(p = lock_user_string(arg1)))
10178 goto efault;
10179 ret = target_truncate64(cpu_env, p, arg2, arg3, arg4);
10180 unlock_user(p, arg1, 0);
10181 break;
10182#endif
10183#ifdef TARGET_NR_ftruncate64
10184 case TARGET_NR_ftruncate64:
10185 ret = target_ftruncate64(cpu_env, arg1, arg2, arg3, arg4);
10186 break;
10187#endif
10188#ifdef TARGET_NR_stat64
10189 case TARGET_NR_stat64:
10190 if (!(p = lock_user_string(arg1)))
10191 goto efault;
10192 ret = get_errno(stat(path(p), &st));
10193 unlock_user(p, arg1, 0);
10194 if (!is_error(ret))
10195 ret = host_to_target_stat64(cpu_env, arg2, &st);
10196 break;
10197#endif
10198#ifdef TARGET_NR_lstat64
10199 case TARGET_NR_lstat64:
10200 if (!(p = lock_user_string(arg1)))
10201 goto efault;
10202 ret = get_errno(lstat(path(p), &st));
10203 unlock_user(p, arg1, 0);
10204 if (!is_error(ret))
10205 ret = host_to_target_stat64(cpu_env, arg2, &st);
10206 break;
10207#endif
10208#ifdef TARGET_NR_fstat64
10209 case TARGET_NR_fstat64:
10210 ret = get_errno(fstat(arg1, &st));
10211 if (!is_error(ret))
10212 ret = host_to_target_stat64(cpu_env, arg2, &st);
10213 break;
10214#endif
10215#if (defined(TARGET_NR_fstatat64) || defined(TARGET_NR_newfstatat))
10216#ifdef TARGET_NR_fstatat64
10217 case TARGET_NR_fstatat64:
10218#endif
10219#ifdef TARGET_NR_newfstatat
10220 case TARGET_NR_newfstatat:
10221#endif
10222 if (!(p = lock_user_string(arg2)))
10223 goto efault;
10224 ret = get_errno(fstatat(arg1, path(p), &st, arg4));
10225 if (!is_error(ret))
10226 ret = host_to_target_stat64(cpu_env, arg3, &st);
10227 break;
10228#endif
10229#ifdef TARGET_NR_lchown
10230 case TARGET_NR_lchown:
10231 if (!(p = lock_user_string(arg1)))
10232 goto efault;
10233 ret = get_errno(lchown(p, low2highuid(arg2), low2highgid(arg3)));
10234 unlock_user(p, arg1, 0);
10235 break;
10236#endif
10237#ifdef TARGET_NR_getuid
10238 case TARGET_NR_getuid:
10239 ret = get_errno(high2lowuid(getuid()));
10240 break;
10241#endif
10242#ifdef TARGET_NR_getgid
10243 case TARGET_NR_getgid:
10244 ret = get_errno(high2lowgid(getgid()));
10245 break;
10246#endif
10247#ifdef TARGET_NR_geteuid
10248 case TARGET_NR_geteuid:
10249 ret = get_errno(high2lowuid(geteuid()));
10250 break;
10251#endif
10252#ifdef TARGET_NR_getegid
10253 case TARGET_NR_getegid:
10254 ret = get_errno(high2lowgid(getegid()));
10255 break;
10256#endif
10257 case TARGET_NR_setreuid:
10258 ret = get_errno(setreuid(low2highuid(arg1), low2highuid(arg2)));
10259 break;
10260 case TARGET_NR_setregid:
10261 ret = get_errno(setregid(low2highgid(arg1), low2highgid(arg2)));
10262 break;
10263 case TARGET_NR_getgroups:
10264 {
10265 int gidsetsize = arg1;
10266 target_id *target_grouplist;
10267 gid_t *grouplist;
10268 int i;
10269
10270 grouplist = alloca(gidsetsize * sizeof(gid_t));
10271 ret = get_errno(getgroups(gidsetsize, grouplist));
10272 if (gidsetsize == 0)
10273 break;
10274 if (!is_error(ret)) {
10275 target_grouplist = lock_user(VERIFY_WRITE, arg2, gidsetsize * sizeof(target_id), 0);
10276 if (!target_grouplist)
10277 goto efault;
10278 for(i = 0;i < ret; i++)
10279 target_grouplist[i] = tswapid(high2lowgid(grouplist[i]));
10280 unlock_user(target_grouplist, arg2, gidsetsize * sizeof(target_id));
10281 }
10282 }
10283 break;
10284 case TARGET_NR_setgroups:
10285 {
10286 int gidsetsize = arg1;
10287 target_id *target_grouplist;
10288 gid_t *grouplist = NULL;
10289 int i;
10290 if (gidsetsize) {
10291 grouplist = alloca(gidsetsize * sizeof(gid_t));
10292 target_grouplist = lock_user(VERIFY_READ, arg2, gidsetsize * sizeof(target_id), 1);
10293 if (!target_grouplist) {
10294 ret = -TARGET_EFAULT;
10295 goto fail;
10296 }
10297 for (i = 0; i < gidsetsize; i++) {
10298 grouplist[i] = low2highgid(tswapid(target_grouplist[i]));
10299 }
10300 unlock_user(target_grouplist, arg2, 0);
10301 }
10302 ret = get_errno(setgroups(gidsetsize, grouplist));
10303 }
10304 break;
10305 case TARGET_NR_fchown:
10306 ret = get_errno(fchown(arg1, low2highuid(arg2), low2highgid(arg3)));
10307 break;
10308#if defined(TARGET_NR_fchownat)
10309 case TARGET_NR_fchownat:
10310 if (!(p = lock_user_string(arg2)))
10311 goto efault;
10312 ret = get_errno(fchownat(arg1, p, low2highuid(arg3),
10313 low2highgid(arg4), arg5));
10314 unlock_user(p, arg2, 0);
10315 break;
10316#endif
10317#ifdef TARGET_NR_setresuid
10318 case TARGET_NR_setresuid:
10319 ret = get_errno(sys_setresuid(low2highuid(arg1),
10320 low2highuid(arg2),
10321 low2highuid(arg3)));
10322 break;
10323#endif
10324#ifdef TARGET_NR_getresuid
10325 case TARGET_NR_getresuid:
10326 {
10327 uid_t ruid, euid, suid;
10328 ret = get_errno(getresuid(&ruid, &euid, &suid));
10329 if (!is_error(ret)) {
10330 if (put_user_id(high2lowuid(ruid), arg1)
10331 || put_user_id(high2lowuid(euid), arg2)
10332 || put_user_id(high2lowuid(suid), arg3))
10333 goto efault;
10334 }
10335 }
10336 break;
10337#endif
10338#ifdef TARGET_NR_getresgid
10339 case TARGET_NR_setresgid:
10340 ret = get_errno(sys_setresgid(low2highgid(arg1),
10341 low2highgid(arg2),
10342 low2highgid(arg3)));
10343 break;
10344#endif
10345#ifdef TARGET_NR_getresgid
10346 case TARGET_NR_getresgid:
10347 {
10348 gid_t rgid, egid, sgid;
10349 ret = get_errno(getresgid(&rgid, &egid, &sgid));
10350 if (!is_error(ret)) {
10351 if (put_user_id(high2lowgid(rgid), arg1)
10352 || put_user_id(high2lowgid(egid), arg2)
10353 || put_user_id(high2lowgid(sgid), arg3))
10354 goto efault;
10355 }
10356 }
10357 break;
10358#endif
10359#ifdef TARGET_NR_chown
10360 case TARGET_NR_chown:
10361 if (!(p = lock_user_string(arg1)))
10362 goto efault;
10363 ret = get_errno(chown(p, low2highuid(arg2), low2highgid(arg3)));
10364 unlock_user(p, arg1, 0);
10365 break;
10366#endif
10367 case TARGET_NR_setuid:
10368 ret = get_errno(sys_setuid(low2highuid(arg1)));
10369 break;
10370 case TARGET_NR_setgid:
10371 ret = get_errno(sys_setgid(low2highgid(arg1)));
10372 break;
10373 case TARGET_NR_setfsuid:
10374 ret = get_errno(setfsuid(arg1));
10375 break;
10376 case TARGET_NR_setfsgid:
10377 ret = get_errno(setfsgid(arg1));
10378 break;
10379
10380#ifdef TARGET_NR_lchown32
10381 case TARGET_NR_lchown32:
10382 if (!(p = lock_user_string(arg1)))
10383 goto efault;
10384 ret = get_errno(lchown(p, arg2, arg3));
10385 unlock_user(p, arg1, 0);
10386 break;
10387#endif
10388#ifdef TARGET_NR_getuid32
10389 case TARGET_NR_getuid32:
10390 ret = get_errno(getuid());
10391 break;
10392#endif
10393
10394#if defined(TARGET_NR_getxuid) && defined(TARGET_ALPHA)
10395
10396 case TARGET_NR_getxuid:
10397 {
10398 uid_t euid;
10399 euid=geteuid();
10400 ((CPUAlphaState *)cpu_env)->ir[IR_A4]=euid;
10401 }
10402 ret = get_errno(getuid());
10403 break;
10404#endif
10405#if defined(TARGET_NR_getxgid) && defined(TARGET_ALPHA)
10406
10407 case TARGET_NR_getxgid:
10408 {
10409 uid_t egid;
10410 egid=getegid();
10411 ((CPUAlphaState *)cpu_env)->ir[IR_A4]=egid;
10412 }
10413 ret = get_errno(getgid());
10414 break;
10415#endif
10416#if defined(TARGET_NR_osf_getsysinfo) && defined(TARGET_ALPHA)
10417
10418 case TARGET_NR_osf_getsysinfo:
10419 ret = -TARGET_EOPNOTSUPP;
10420 switch (arg1) {
10421 case TARGET_GSI_IEEE_FP_CONTROL:
10422 {
10423 uint64_t swcr, fpcr = cpu_alpha_load_fpcr (cpu_env);
10424
10425
10426 swcr = (fpcr >> 35) & SWCR_STATUS_MASK;
10427 swcr |= (fpcr >> 36) & SWCR_MAP_DMZ;
10428 swcr |= (~fpcr >> 48) & (SWCR_TRAP_ENABLE_INV
10429 | SWCR_TRAP_ENABLE_DZE
10430 | SWCR_TRAP_ENABLE_OVF);
10431 swcr |= (~fpcr >> 57) & (SWCR_TRAP_ENABLE_UNF
10432 | SWCR_TRAP_ENABLE_INE);
10433 swcr |= (fpcr >> 47) & SWCR_MAP_UMZ;
10434 swcr |= (~fpcr >> 41) & SWCR_TRAP_ENABLE_DNO;
10435
10436 if (put_user_u64 (swcr, arg2))
10437 goto efault;
10438 ret = 0;
10439 }
10440 break;
10441
10442
10443
10444
10445
10446
10447
10448
10449
10450
10451 }
10452 break;
10453#endif
10454#if defined(TARGET_NR_osf_setsysinfo) && defined(TARGET_ALPHA)
10455
10456 case TARGET_NR_osf_setsysinfo:
10457 ret = -TARGET_EOPNOTSUPP;
10458 switch (arg1) {
10459 case TARGET_SSI_IEEE_FP_CONTROL:
10460 {
10461 uint64_t swcr, fpcr, orig_fpcr;
10462
10463 if (get_user_u64 (swcr, arg2)) {
10464 goto efault;
10465 }
10466 orig_fpcr = cpu_alpha_load_fpcr(cpu_env);
10467 fpcr = orig_fpcr & FPCR_DYN_MASK;
10468
10469
10470 fpcr |= (swcr & SWCR_STATUS_MASK) << 35;
10471 fpcr |= (swcr & SWCR_MAP_DMZ) << 36;
10472 fpcr |= (~swcr & (SWCR_TRAP_ENABLE_INV
10473 | SWCR_TRAP_ENABLE_DZE
10474 | SWCR_TRAP_ENABLE_OVF)) << 48;
10475 fpcr |= (~swcr & (SWCR_TRAP_ENABLE_UNF
10476 | SWCR_TRAP_ENABLE_INE)) << 57;
10477 fpcr |= (swcr & SWCR_MAP_UMZ ? FPCR_UNDZ | FPCR_UNFD : 0);
10478 fpcr |= (~swcr & SWCR_TRAP_ENABLE_DNO) << 41;
10479
10480 cpu_alpha_store_fpcr(cpu_env, fpcr);
10481 ret = 0;
10482 }
10483 break;
10484
10485 case TARGET_SSI_IEEE_RAISE_EXCEPTION:
10486 {
10487 uint64_t exc, fpcr, orig_fpcr;
10488 int si_code;
10489
10490 if (get_user_u64(exc, arg2)) {
10491 goto efault;
10492 }
10493
10494 orig_fpcr = cpu_alpha_load_fpcr(cpu_env);
10495
10496
10497 fpcr = orig_fpcr | ((exc & SWCR_STATUS_MASK) << 35);
10498
10499 cpu_alpha_store_fpcr(cpu_env, fpcr);
10500 ret = 0;
10501
10502
10503 fpcr &= ~(orig_fpcr & FPCR_STATUS_MASK);
10504
10505
10506
10507 si_code = 0;
10508 if ((fpcr & (FPCR_INE | FPCR_INED)) == FPCR_INE) {
10509 si_code = TARGET_FPE_FLTRES;
10510 }
10511 if ((fpcr & (FPCR_UNF | FPCR_UNFD)) == FPCR_UNF) {
10512 si_code = TARGET_FPE_FLTUND;
10513 }
10514 if ((fpcr & (FPCR_OVF | FPCR_OVFD)) == FPCR_OVF) {
10515 si_code = TARGET_FPE_FLTOVF;
10516 }
10517 if ((fpcr & (FPCR_DZE | FPCR_DZED)) == FPCR_DZE) {
10518 si_code = TARGET_FPE_FLTDIV;
10519 }
10520 if ((fpcr & (FPCR_INV | FPCR_INVD)) == FPCR_INV) {
10521 si_code = TARGET_FPE_FLTINV;
10522 }
10523 if (si_code != 0) {
10524 target_siginfo_t info;
10525 info.si_signo = SIGFPE;
10526 info.si_errno = 0;
10527 info.si_code = si_code;
10528 info._sifields._sigfault._addr
10529 = ((CPUArchState *)cpu_env)->pc;
10530 queue_signal((CPUArchState *)cpu_env, info.si_signo, &info);
10531 }
10532 }
10533 break;
10534
10535
10536
10537
10538
10539
10540
10541 }
10542 break;
10543#endif
10544#ifdef TARGET_NR_osf_sigprocmask
10545
10546 case TARGET_NR_osf_sigprocmask:
10547 {
10548 abi_ulong mask;
10549 int how;
10550 sigset_t set, oldset;
10551
10552 switch(arg1) {
10553 case TARGET_SIG_BLOCK:
10554 how = SIG_BLOCK;
10555 break;
10556 case TARGET_SIG_UNBLOCK:
10557 how = SIG_UNBLOCK;
10558 break;
10559 case TARGET_SIG_SETMASK:
10560 how = SIG_SETMASK;
10561 break;
10562 default:
10563 ret = -TARGET_EINVAL;
10564 goto fail;
10565 }
10566 mask = arg2;
10567 target_to_host_old_sigset(&set, &mask);
10568 ret = do_sigprocmask(how, &set, &oldset);
10569 if (!ret) {
10570 host_to_target_old_sigset(&mask, &oldset);
10571 ret = mask;
10572 }
10573 }
10574 break;
10575#endif
10576
10577#ifdef TARGET_NR_getgid32
10578 case TARGET_NR_getgid32:
10579 ret = get_errno(getgid());
10580 break;
10581#endif
10582#ifdef TARGET_NR_geteuid32
10583 case TARGET_NR_geteuid32:
10584 ret = get_errno(geteuid());
10585 break;
10586#endif
10587#ifdef TARGET_NR_getegid32
10588 case TARGET_NR_getegid32:
10589 ret = get_errno(getegid());
10590 break;
10591#endif
10592#ifdef TARGET_NR_setreuid32
10593 case TARGET_NR_setreuid32:
10594 ret = get_errno(setreuid(arg1, arg2));
10595 break;
10596#endif
10597#ifdef TARGET_NR_setregid32
10598 case TARGET_NR_setregid32:
10599 ret = get_errno(setregid(arg1, arg2));
10600 break;
10601#endif
10602#ifdef TARGET_NR_getgroups32
10603 case TARGET_NR_getgroups32:
10604 {
10605 int gidsetsize = arg1;
10606 uint32_t *target_grouplist;
10607 gid_t *grouplist;
10608 int i;
10609
10610 grouplist = alloca(gidsetsize * sizeof(gid_t));
10611 ret = get_errno(getgroups(gidsetsize, grouplist));
10612 if (gidsetsize == 0)
10613 break;
10614 if (!is_error(ret)) {
10615 target_grouplist = lock_user(VERIFY_WRITE, arg2, gidsetsize * 4, 0);
10616 if (!target_grouplist) {
10617 ret = -TARGET_EFAULT;
10618 goto fail;
10619 }
10620 for(i = 0;i < ret; i++)
10621 target_grouplist[i] = tswap32(grouplist[i]);
10622 unlock_user(target_grouplist, arg2, gidsetsize * 4);
10623 }
10624 }
10625 break;
10626#endif
10627#ifdef TARGET_NR_setgroups32
10628 case TARGET_NR_setgroups32:
10629 {
10630 int gidsetsize = arg1;
10631 uint32_t *target_grouplist;
10632 gid_t *grouplist;
10633 int i;
10634
10635 grouplist = alloca(gidsetsize * sizeof(gid_t));
10636 target_grouplist = lock_user(VERIFY_READ, arg2, gidsetsize * 4, 1);
10637 if (!target_grouplist) {
10638 ret = -TARGET_EFAULT;
10639 goto fail;
10640 }
10641 for(i = 0;i < gidsetsize; i++)
10642 grouplist[i] = tswap32(target_grouplist[i]);
10643 unlock_user(target_grouplist, arg2, 0);
10644 ret = get_errno(setgroups(gidsetsize, grouplist));
10645 }
10646 break;
10647#endif
10648#ifdef TARGET_NR_fchown32
10649 case TARGET_NR_fchown32:
10650 ret = get_errno(fchown(arg1, arg2, arg3));
10651 break;
10652#endif
10653#ifdef TARGET_NR_setresuid32
10654 case TARGET_NR_setresuid32:
10655 ret = get_errno(sys_setresuid(arg1, arg2, arg3));
10656 break;
10657#endif
10658#ifdef TARGET_NR_getresuid32
10659 case TARGET_NR_getresuid32:
10660 {
10661 uid_t ruid, euid, suid;
10662 ret = get_errno(getresuid(&ruid, &euid, &suid));
10663 if (!is_error(ret)) {
10664 if (put_user_u32(ruid, arg1)
10665 || put_user_u32(euid, arg2)
10666 || put_user_u32(suid, arg3))
10667 goto efault;
10668 }
10669 }
10670 break;
10671#endif
10672#ifdef TARGET_NR_setresgid32
10673 case TARGET_NR_setresgid32:
10674 ret = get_errno(sys_setresgid(arg1, arg2, arg3));
10675 break;
10676#endif
10677#ifdef TARGET_NR_getresgid32
10678 case TARGET_NR_getresgid32:
10679 {
10680 gid_t rgid, egid, sgid;
10681 ret = get_errno(getresgid(&rgid, &egid, &sgid));
10682 if (!is_error(ret)) {
10683 if (put_user_u32(rgid, arg1)
10684 || put_user_u32(egid, arg2)
10685 || put_user_u32(sgid, arg3))
10686 goto efault;
10687 }
10688 }
10689 break;
10690#endif
10691#ifdef TARGET_NR_chown32
10692 case TARGET_NR_chown32:
10693 if (!(p = lock_user_string(arg1)))
10694 goto efault;
10695 ret = get_errno(chown(p, arg2, arg3));
10696 unlock_user(p, arg1, 0);
10697 break;
10698#endif
10699#ifdef TARGET_NR_setuid32
10700 case TARGET_NR_setuid32:
10701 ret = get_errno(sys_setuid(arg1));
10702 break;
10703#endif
10704#ifdef TARGET_NR_setgid32
10705 case TARGET_NR_setgid32:
10706 ret = get_errno(sys_setgid(arg1));
10707 break;
10708#endif
10709#ifdef TARGET_NR_setfsuid32
10710 case TARGET_NR_setfsuid32:
10711 ret = get_errno(setfsuid(arg1));
10712 break;
10713#endif
10714#ifdef TARGET_NR_setfsgid32
10715 case TARGET_NR_setfsgid32:
10716 ret = get_errno(setfsgid(arg1));
10717 break;
10718#endif
10719
10720 case TARGET_NR_pivot_root:
10721 goto unimplemented;
10722#ifdef TARGET_NR_mincore
10723 case TARGET_NR_mincore:
10724 {
10725 void *a;
10726 ret = -TARGET_EFAULT;
10727 if (!(a = lock_user(VERIFY_READ, arg1,arg2, 0)))
10728 goto efault;
10729 if (!(p = lock_user_string(arg3)))
10730 goto mincore_fail;
10731 ret = get_errno(mincore(a, arg2, p));
10732 unlock_user(p, arg3, ret);
10733 mincore_fail:
10734 unlock_user(a, arg1, 0);
10735 }
10736 break;
10737#endif
10738#ifdef TARGET_NR_arm_fadvise64_64
10739 case TARGET_NR_arm_fadvise64_64:
10740
10741
10742
10743
10744
10745
10746 ret = posix_fadvise(arg1, target_offset64(arg3, arg4),
10747 target_offset64(arg5, arg6), arg2);
10748 ret = -host_to_target_errno(ret);
10749 break;
10750#endif
10751
10752#if TARGET_ABI_BITS == 32
10753
10754#ifdef TARGET_NR_fadvise64_64
10755 case TARGET_NR_fadvise64_64:
10756
10757 if (regpairs_aligned(cpu_env)) {
10758
10759 arg2 = arg3;
10760 arg3 = arg4;
10761 arg4 = arg5;
10762 arg5 = arg6;
10763 arg6 = arg7;
10764 }
10765 ret = -host_to_target_errno(posix_fadvise(arg1,
10766 target_offset64(arg2, arg3),
10767 target_offset64(arg4, arg5),
10768 arg6));
10769 break;
10770#endif
10771
10772#ifdef TARGET_NR_fadvise64
10773 case TARGET_NR_fadvise64:
10774
10775 if (regpairs_aligned(cpu_env)) {
10776
10777 arg2 = arg3;
10778 arg3 = arg4;
10779 arg4 = arg5;
10780 arg5 = arg6;
10781 }
10782 ret = -host_to_target_errno(posix_fadvise(arg1,
10783 target_offset64(arg2, arg3),
10784 arg4, arg5));
10785 break;
10786#endif
10787
10788#else
10789#if defined(TARGET_NR_fadvise64_64) || defined(TARGET_NR_fadvise64)
10790#ifdef TARGET_NR_fadvise64_64
10791 case TARGET_NR_fadvise64_64:
10792#endif
10793#ifdef TARGET_NR_fadvise64
10794 case TARGET_NR_fadvise64:
10795#endif
10796#ifdef TARGET_S390X
10797 switch (arg4) {
10798 case 4: arg4 = POSIX_FADV_NOREUSE + 1; break;
10799 case 5: arg4 = POSIX_FADV_NOREUSE + 2; break;
10800 case 6: arg4 = POSIX_FADV_DONTNEED; break;
10801 case 7: arg4 = POSIX_FADV_NOREUSE; break;
10802 default: break;
10803 }
10804#endif
10805 ret = -host_to_target_errno(posix_fadvise(arg1, arg2, arg3, arg4));
10806 break;
10807#endif
10808#endif
10809
10810#ifdef TARGET_NR_madvise
10811 case TARGET_NR_madvise:
10812
10813
10814
10815
10816 ret = get_errno(0);
10817 break;
10818#endif
10819#if TARGET_ABI_BITS == 32
10820 case TARGET_NR_fcntl64:
10821 {
10822 int cmd;
10823 struct flock64 fl;
10824 from_flock64_fn *copyfrom = copy_from_user_flock64;
10825 to_flock64_fn *copyto = copy_to_user_flock64;
10826
10827#ifdef TARGET_ARM
10828 if (((CPUARMState *)cpu_env)->eabi) {
10829 copyfrom = copy_from_user_eabi_flock64;
10830 copyto = copy_to_user_eabi_flock64;
10831 }
10832#endif
10833
10834 cmd = target_to_host_fcntl_cmd(arg2);
10835 if (cmd == -TARGET_EINVAL) {
10836 ret = cmd;
10837 break;
10838 }
10839
10840 switch(arg2) {
10841 case TARGET_F_GETLK64:
10842 ret = copyfrom(&fl, arg3);
10843 if (ret) {
10844 break;
10845 }
10846 ret = get_errno(fcntl(arg1, cmd, &fl));
10847 if (ret == 0) {
10848 ret = copyto(arg3, &fl);
10849 }
10850 break;
10851
10852 case TARGET_F_SETLK64:
10853 case TARGET_F_SETLKW64:
10854 ret = copyfrom(&fl, arg3);
10855 if (ret) {
10856 break;
10857 }
10858 ret = get_errno(safe_fcntl(arg1, cmd, &fl));
10859 break;
10860 default:
10861 ret = do_fcntl(arg1, arg2, arg3);
10862 break;
10863 }
10864 break;
10865 }
10866#endif
10867#ifdef TARGET_NR_cacheflush
10868 case TARGET_NR_cacheflush:
10869
10870 ret = 0;
10871 break;
10872#endif
10873#ifdef TARGET_NR_security
10874 case TARGET_NR_security:
10875 goto unimplemented;
10876#endif
10877#ifdef TARGET_NR_getpagesize
10878 case TARGET_NR_getpagesize:
10879 ret = TARGET_PAGE_SIZE;
10880 break;
10881#endif
10882 case TARGET_NR_gettid:
10883 ret = get_errno(gettid());
10884 break;
10885#ifdef TARGET_NR_readahead
10886 case TARGET_NR_readahead:
10887#if TARGET_ABI_BITS == 32
10888 if (regpairs_aligned(cpu_env)) {
10889 arg2 = arg3;
10890 arg3 = arg4;
10891 arg4 = arg5;
10892 }
10893 ret = get_errno(readahead(arg1, ((off64_t)arg3 << 32) | arg2, arg4));
10894#else
10895 ret = get_errno(readahead(arg1, arg2, arg3));
10896#endif
10897 break;
10898#endif
10899#ifdef CONFIG_ATTR
10900#ifdef TARGET_NR_setxattr
10901 case TARGET_NR_listxattr:
10902 case TARGET_NR_llistxattr:
10903 {
10904 void *p, *b = 0;
10905 if (arg2) {
10906 b = lock_user(VERIFY_WRITE, arg2, arg3, 0);
10907 if (!b) {
10908 ret = -TARGET_EFAULT;
10909 break;
10910 }
10911 }
10912 p = lock_user_string(arg1);
10913 if (p) {
10914 if (num == TARGET_NR_listxattr) {
10915 ret = get_errno(listxattr(p, b, arg3));
10916 } else {
10917 ret = get_errno(llistxattr(p, b, arg3));
10918 }
10919 } else {
10920 ret = -TARGET_EFAULT;
10921 }
10922 unlock_user(p, arg1, 0);
10923 unlock_user(b, arg2, arg3);
10924 break;
10925 }
10926 case TARGET_NR_flistxattr:
10927 {
10928 void *b = 0;
10929 if (arg2) {
10930 b = lock_user(VERIFY_WRITE, arg2, arg3, 0);
10931 if (!b) {
10932 ret = -TARGET_EFAULT;
10933 break;
10934 }
10935 }
10936 ret = get_errno(flistxattr(arg1, b, arg3));
10937 unlock_user(b, arg2, arg3);
10938 break;
10939 }
10940 case TARGET_NR_setxattr:
10941 case TARGET_NR_lsetxattr:
10942 {
10943 void *p, *n, *v = 0;
10944 if (arg3) {
10945 v = lock_user(VERIFY_READ, arg3, arg4, 1);
10946 if (!v) {
10947 ret = -TARGET_EFAULT;
10948 break;
10949 }
10950 }
10951 p = lock_user_string(arg1);
10952 n = lock_user_string(arg2);
10953 if (p && n) {
10954 if (num == TARGET_NR_setxattr) {
10955 ret = get_errno(setxattr(p, n, v, arg4, arg5));
10956 } else {
10957 ret = get_errno(lsetxattr(p, n, v, arg4, arg5));
10958 }
10959 } else {
10960 ret = -TARGET_EFAULT;
10961 }
10962 unlock_user(p, arg1, 0);
10963 unlock_user(n, arg2, 0);
10964 unlock_user(v, arg3, 0);
10965 }
10966 break;
10967 case TARGET_NR_fsetxattr:
10968 {
10969 void *n, *v = 0;
10970 if (arg3) {
10971 v = lock_user(VERIFY_READ, arg3, arg4, 1);
10972 if (!v) {
10973 ret = -TARGET_EFAULT;
10974 break;
10975 }
10976 }
10977 n = lock_user_string(arg2);
10978 if (n) {
10979 ret = get_errno(fsetxattr(arg1, n, v, arg4, arg5));
10980 } else {
10981 ret = -TARGET_EFAULT;
10982 }
10983 unlock_user(n, arg2, 0);
10984 unlock_user(v, arg3, 0);
10985 }
10986 break;
10987 case TARGET_NR_getxattr:
10988 case TARGET_NR_lgetxattr:
10989 {
10990 void *p, *n, *v = 0;
10991 if (arg3) {
10992 v = lock_user(VERIFY_WRITE, arg3, arg4, 0);
10993 if (!v) {
10994 ret = -TARGET_EFAULT;
10995 break;
10996 }
10997 }
10998 p = lock_user_string(arg1);
10999 n = lock_user_string(arg2);
11000 if (p && n) {
11001 if (num == TARGET_NR_getxattr) {
11002 ret = get_errno(getxattr(p, n, v, arg4));
11003 } else {
11004 ret = get_errno(lgetxattr(p, n, v, arg4));
11005 }
11006 } else {
11007 ret = -TARGET_EFAULT;
11008 }
11009 unlock_user(p, arg1, 0);
11010 unlock_user(n, arg2, 0);
11011 unlock_user(v, arg3, arg4);
11012 }
11013 break;
11014 case TARGET_NR_fgetxattr:
11015 {
11016 void *n, *v = 0;
11017 if (arg3) {
11018 v = lock_user(VERIFY_WRITE, arg3, arg4, 0);
11019 if (!v) {
11020 ret = -TARGET_EFAULT;
11021 break;
11022 }
11023 }
11024 n = lock_user_string(arg2);
11025 if (n) {
11026 ret = get_errno(fgetxattr(arg1, n, v, arg4));
11027 } else {
11028 ret = -TARGET_EFAULT;
11029 }
11030 unlock_user(n, arg2, 0);
11031 unlock_user(v, arg3, arg4);
11032 }
11033 break;
11034 case TARGET_NR_removexattr:
11035 case TARGET_NR_lremovexattr:
11036 {
11037 void *p, *n;
11038 p = lock_user_string(arg1);
11039 n = lock_user_string(arg2);
11040 if (p && n) {
11041 if (num == TARGET_NR_removexattr) {
11042 ret = get_errno(removexattr(p, n));
11043 } else {
11044 ret = get_errno(lremovexattr(p, n));
11045 }
11046 } else {
11047 ret = -TARGET_EFAULT;
11048 }
11049 unlock_user(p, arg1, 0);
11050 unlock_user(n, arg2, 0);
11051 }
11052 break;
11053 case TARGET_NR_fremovexattr:
11054 {
11055 void *n;
11056 n = lock_user_string(arg2);
11057 if (n) {
11058 ret = get_errno(fremovexattr(arg1, n));
11059 } else {
11060 ret = -TARGET_EFAULT;
11061 }
11062 unlock_user(n, arg2, 0);
11063 }
11064 break;
11065#endif
11066#endif
11067#ifdef TARGET_NR_set_thread_area
11068 case TARGET_NR_set_thread_area:
11069#if defined(TARGET_MIPS)
11070 ((CPUMIPSState *) cpu_env)->active_tc.CP0_UserLocal = arg1;
11071 ret = 0;
11072 break;
11073#elif defined(TARGET_CRIS)
11074 if (arg1 & 0xff)
11075 ret = -TARGET_EINVAL;
11076 else {
11077 ((CPUCRISState *) cpu_env)->pregs[PR_PID] = arg1;
11078 ret = 0;
11079 }
11080 break;
11081#elif defined(TARGET_I386) && defined(TARGET_ABI32)
11082 ret = do_set_thread_area(cpu_env, arg1);
11083 break;
11084#elif defined(TARGET_M68K)
11085 {
11086 TaskState *ts = cpu->opaque;
11087 ts->tp_value = arg1;
11088 ret = 0;
11089 break;
11090 }
11091#else
11092 goto unimplemented_nowarn;
11093#endif
11094#endif
11095#ifdef TARGET_NR_get_thread_area
11096 case TARGET_NR_get_thread_area:
11097#if defined(TARGET_I386) && defined(TARGET_ABI32)
11098 ret = do_get_thread_area(cpu_env, arg1);
11099 break;
11100#elif defined(TARGET_M68K)
11101 {
11102 TaskState *ts = cpu->opaque;
11103 ret = ts->tp_value;
11104 break;
11105 }
11106#else
11107 goto unimplemented_nowarn;
11108#endif
11109#endif
11110#ifdef TARGET_NR_getdomainname
11111 case TARGET_NR_getdomainname:
11112 goto unimplemented_nowarn;
11113#endif
11114
11115#ifdef TARGET_NR_clock_gettime
11116 case TARGET_NR_clock_gettime:
11117 {
11118 struct timespec ts;
11119 ret = get_errno(clock_gettime(arg1, &ts));
11120 if (!is_error(ret)) {
11121 host_to_target_timespec(arg2, &ts);
11122 }
11123 break;
11124 }
11125#endif
11126#ifdef TARGET_NR_clock_getres
11127 case TARGET_NR_clock_getres:
11128 {
11129 struct timespec ts;
11130 ret = get_errno(clock_getres(arg1, &ts));
11131 if (!is_error(ret)) {
11132 host_to_target_timespec(arg2, &ts);
11133 }
11134 break;
11135 }
11136#endif
11137#ifdef TARGET_NR_clock_nanosleep
11138 case TARGET_NR_clock_nanosleep:
11139 {
11140 struct timespec ts;
11141 target_to_host_timespec(&ts, arg3);
11142 ret = get_errno(safe_clock_nanosleep(arg1, arg2,
11143 &ts, arg4 ? &ts : NULL));
11144 if (arg4)
11145 host_to_target_timespec(arg4, &ts);
11146
11147#if defined(TARGET_PPC)
11148
11149
11150 if (ret && ret != -TARGET_ERESTARTSYS) {
11151 ((CPUPPCState *)cpu_env)->crf[0] |= 1;
11152 }
11153#endif
11154 break;
11155 }
11156#endif
11157
11158#if defined(TARGET_NR_set_tid_address) && defined(__NR_set_tid_address)
11159 case TARGET_NR_set_tid_address:
11160 ret = get_errno(set_tid_address((int *)g2h(arg1)));
11161 break;
11162#endif
11163
11164 case TARGET_NR_tkill:
11165 ret = get_errno(safe_tkill((int)arg1, target_to_host_signal(arg2)));
11166 break;
11167
11168 case TARGET_NR_tgkill:
11169 ret = get_errno(safe_tgkill((int)arg1, (int)arg2,
11170 target_to_host_signal(arg3)));
11171 break;
11172
11173#ifdef TARGET_NR_set_robust_list
11174 case TARGET_NR_set_robust_list:
11175 case TARGET_NR_get_robust_list:
11176
11177
11178
11179
11180
11181
11182
11183
11184
11185
11186
11187
11188 goto unimplemented_nowarn;
11189#endif
11190
11191#if defined(TARGET_NR_utimensat)
11192 case TARGET_NR_utimensat:
11193 {
11194 struct timespec *tsp, ts[2];
11195 if (!arg3) {
11196 tsp = NULL;
11197 } else {
11198 target_to_host_timespec(ts, arg3);
11199 target_to_host_timespec(ts+1, arg3+sizeof(struct target_timespec));
11200 tsp = ts;
11201 }
11202 if (!arg2)
11203 ret = get_errno(sys_utimensat(arg1, NULL, tsp, arg4));
11204 else {
11205 if (!(p = lock_user_string(arg2))) {
11206 ret = -TARGET_EFAULT;
11207 goto fail;
11208 }
11209 ret = get_errno(sys_utimensat(arg1, path(p), tsp, arg4));
11210 unlock_user(p, arg2, 0);
11211 }
11212 }
11213 break;
11214#endif
11215 case TARGET_NR_futex:
11216 ret = do_futex(arg1, arg2, arg3, arg4, arg5, arg6);
11217 break;
11218#if defined(TARGET_NR_inotify_init) && defined(__NR_inotify_init)
11219 case TARGET_NR_inotify_init:
11220 ret = get_errno(sys_inotify_init());
11221 break;
11222#endif
11223#ifdef CONFIG_INOTIFY1
11224#if defined(TARGET_NR_inotify_init1) && defined(__NR_inotify_init1)
11225 case TARGET_NR_inotify_init1:
11226 ret = get_errno(sys_inotify_init1(arg1));
11227 break;
11228#endif
11229#endif
11230#if defined(TARGET_NR_inotify_add_watch) && defined(__NR_inotify_add_watch)
11231 case TARGET_NR_inotify_add_watch:
11232 p = lock_user_string(arg2);
11233 ret = get_errno(sys_inotify_add_watch(arg1, path(p), arg3));
11234 unlock_user(p, arg2, 0);
11235 break;
11236#endif
11237#if defined(TARGET_NR_inotify_rm_watch) && defined(__NR_inotify_rm_watch)
11238 case TARGET_NR_inotify_rm_watch:
11239 ret = get_errno(sys_inotify_rm_watch(arg1, arg2));
11240 break;
11241#endif
11242
11243#if defined(TARGET_NR_mq_open) && defined(__NR_mq_open)
11244 case TARGET_NR_mq_open:
11245 {
11246 struct mq_attr posix_mq_attr, *attrp;
11247
11248 p = lock_user_string(arg1 - 1);
11249 if (arg4 != 0) {
11250 copy_from_user_mq_attr (&posix_mq_attr, arg4);
11251 attrp = &posix_mq_attr;
11252 } else {
11253 attrp = 0;
11254 }
11255 ret = get_errno(mq_open(p, arg2, arg3, attrp));
11256 unlock_user (p, arg1, 0);
11257 }
11258 break;
11259
11260 case TARGET_NR_mq_unlink:
11261 p = lock_user_string(arg1 - 1);
11262 ret = get_errno(mq_unlink(p));
11263 unlock_user (p, arg1, 0);
11264 break;
11265
11266 case TARGET_NR_mq_timedsend:
11267 {
11268 struct timespec ts;
11269
11270 p = lock_user (VERIFY_READ, arg2, arg3, 1);
11271 if (arg5 != 0) {
11272 target_to_host_timespec(&ts, arg5);
11273 ret = get_errno(safe_mq_timedsend(arg1, p, arg3, arg4, &ts));
11274 host_to_target_timespec(arg5, &ts);
11275 } else {
11276 ret = get_errno(safe_mq_timedsend(arg1, p, arg3, arg4, NULL));
11277 }
11278 unlock_user (p, arg2, arg3);
11279 }
11280 break;
11281
11282 case TARGET_NR_mq_timedreceive:
11283 {
11284 struct timespec ts;
11285 unsigned int prio;
11286
11287 p = lock_user (VERIFY_READ, arg2, arg3, 1);
11288 if (arg5 != 0) {
11289 target_to_host_timespec(&ts, arg5);
11290 ret = get_errno(safe_mq_timedreceive(arg1, p, arg3,
11291 &prio, &ts));
11292 host_to_target_timespec(arg5, &ts);
11293 } else {
11294 ret = get_errno(safe_mq_timedreceive(arg1, p, arg3,
11295 &prio, NULL));
11296 }
11297 unlock_user (p, arg2, arg3);
11298 if (arg4 != 0)
11299 put_user_u32(prio, arg4);
11300 }
11301 break;
11302
11303
11304
11305
11306
11307 case TARGET_NR_mq_getsetattr:
11308 {
11309 struct mq_attr posix_mq_attr_in, posix_mq_attr_out;
11310 ret = 0;
11311 if (arg3 != 0) {
11312 ret = mq_getattr(arg1, &posix_mq_attr_out);
11313 copy_to_user_mq_attr(arg3, &posix_mq_attr_out);
11314 }
11315 if (arg2 != 0) {
11316 copy_from_user_mq_attr(&posix_mq_attr_in, arg2);
11317 ret |= mq_setattr(arg1, &posix_mq_attr_in, &posix_mq_attr_out);
11318 }
11319
11320 }
11321 break;
11322#endif
11323
11324#ifdef CONFIG_SPLICE
11325#ifdef TARGET_NR_tee
11326 case TARGET_NR_tee:
11327 {
11328 ret = get_errno(tee(arg1,arg2,arg3,arg4));
11329 }
11330 break;
11331#endif
11332#ifdef TARGET_NR_splice
11333 case TARGET_NR_splice:
11334 {
11335 loff_t loff_in, loff_out;
11336 loff_t *ploff_in = NULL, *ploff_out = NULL;
11337 if (arg2) {
11338 if (get_user_u64(loff_in, arg2)) {
11339 goto efault;
11340 }
11341 ploff_in = &loff_in;
11342 }
11343 if (arg4) {
11344 if (get_user_u64(loff_out, arg4)) {
11345 goto efault;
11346 }
11347 ploff_out = &loff_out;
11348 }
11349 ret = get_errno(splice(arg1, ploff_in, arg3, ploff_out, arg5, arg6));
11350 if (arg2) {
11351 if (put_user_u64(loff_in, arg2)) {
11352 goto efault;
11353 }
11354 }
11355 if (arg4) {
11356 if (put_user_u64(loff_out, arg4)) {
11357 goto efault;
11358 }
11359 }
11360 }
11361 break;
11362#endif
11363#ifdef TARGET_NR_vmsplice
11364 case TARGET_NR_vmsplice:
11365 {
11366 struct iovec *vec = lock_iovec(VERIFY_READ, arg2, arg3, 1);
11367 if (vec != NULL) {
11368 ret = get_errno(vmsplice(arg1, vec, arg3, arg4));
11369 unlock_iovec(vec, arg2, arg3, 0);
11370 } else {
11371 ret = -host_to_target_errno(errno);
11372 }
11373 }
11374 break;
11375#endif
11376#endif
11377#ifdef CONFIG_EVENTFD
11378#if defined(TARGET_NR_eventfd)
11379 case TARGET_NR_eventfd:
11380 ret = get_errno(eventfd(arg1, 0));
11381 fd_trans_unregister(ret);
11382 break;
11383#endif
11384#if defined(TARGET_NR_eventfd2)
11385 case TARGET_NR_eventfd2:
11386 {
11387 int host_flags = arg2 & (~(TARGET_O_NONBLOCK | TARGET_O_CLOEXEC));
11388 if (arg2 & TARGET_O_NONBLOCK) {
11389 host_flags |= O_NONBLOCK;
11390 }
11391 if (arg2 & TARGET_O_CLOEXEC) {
11392 host_flags |= O_CLOEXEC;
11393 }
11394 ret = get_errno(eventfd(arg1, host_flags));
11395 fd_trans_unregister(ret);
11396 break;
11397 }
11398#endif
11399#endif
11400#if defined(CONFIG_FALLOCATE) && defined(TARGET_NR_fallocate)
11401 case TARGET_NR_fallocate:
11402#if TARGET_ABI_BITS == 32
11403 ret = get_errno(fallocate(arg1, arg2, target_offset64(arg3, arg4),
11404 target_offset64(arg5, arg6)));
11405#else
11406 ret = get_errno(fallocate(arg1, arg2, arg3, arg4));
11407#endif
11408 break;
11409#endif
11410#if defined(CONFIG_SYNC_FILE_RANGE)
11411#if defined(TARGET_NR_sync_file_range)
11412 case TARGET_NR_sync_file_range:
11413#if TARGET_ABI_BITS == 32
11414#if defined(TARGET_MIPS)
11415 ret = get_errno(sync_file_range(arg1, target_offset64(arg3, arg4),
11416 target_offset64(arg5, arg6), arg7));
11417#else
11418 ret = get_errno(sync_file_range(arg1, target_offset64(arg2, arg3),
11419 target_offset64(arg4, arg5), arg6));
11420#endif
11421#else
11422 ret = get_errno(sync_file_range(arg1, arg2, arg3, arg4));
11423#endif
11424 break;
11425#endif
11426#if defined(TARGET_NR_sync_file_range2)
11427 case TARGET_NR_sync_file_range2:
11428
11429#if TARGET_ABI_BITS == 32
11430 ret = get_errno(sync_file_range(arg1, target_offset64(arg3, arg4),
11431 target_offset64(arg5, arg6), arg2));
11432#else
11433 ret = get_errno(sync_file_range(arg1, arg3, arg4, arg2));
11434#endif
11435 break;
11436#endif
11437#endif
11438#if defined(TARGET_NR_signalfd4)
11439 case TARGET_NR_signalfd4:
11440 ret = do_signalfd4(arg1, arg2, arg4);
11441 break;
11442#endif
11443#if defined(TARGET_NR_signalfd)
11444 case TARGET_NR_signalfd:
11445 ret = do_signalfd4(arg1, arg2, 0);
11446 break;
11447#endif
11448#if defined(CONFIG_EPOLL)
11449#if defined(TARGET_NR_epoll_create)
11450 case TARGET_NR_epoll_create:
11451 ret = get_errno(epoll_create(arg1));
11452 break;
11453#endif
11454#if defined(TARGET_NR_epoll_create1) && defined(CONFIG_EPOLL_CREATE1)
11455 case TARGET_NR_epoll_create1:
11456 ret = get_errno(epoll_create1(arg1));
11457 break;
11458#endif
11459#if defined(TARGET_NR_epoll_ctl)
11460 case TARGET_NR_epoll_ctl:
11461 {
11462 struct epoll_event ep;
11463 struct epoll_event *epp = 0;
11464 if (arg4) {
11465 struct target_epoll_event *target_ep;
11466 if (!lock_user_struct(VERIFY_READ, target_ep, arg4, 1)) {
11467 goto efault;
11468 }
11469 ep.events = tswap32(target_ep->events);
11470
11471
11472
11473
11474 ep.data.u64 = tswap64(target_ep->data.u64);
11475 unlock_user_struct(target_ep, arg4, 0);
11476 epp = &ep;
11477 }
11478 ret = get_errno(epoll_ctl(arg1, arg2, arg3, epp));
11479 break;
11480 }
11481#endif
11482
11483#if defined(TARGET_NR_epoll_wait) || defined(TARGET_NR_epoll_pwait)
11484#if defined(TARGET_NR_epoll_wait)
11485 case TARGET_NR_epoll_wait:
11486#endif
11487#if defined(TARGET_NR_epoll_pwait)
11488 case TARGET_NR_epoll_pwait:
11489#endif
11490 {
11491 struct target_epoll_event *target_ep;
11492 struct epoll_event *ep;
11493 int epfd = arg1;
11494 int maxevents = arg3;
11495 int timeout = arg4;
11496
11497 target_ep = lock_user(VERIFY_WRITE, arg2,
11498 maxevents * sizeof(struct target_epoll_event), 1);
11499 if (!target_ep) {
11500 goto efault;
11501 }
11502
11503 ep = alloca(maxevents * sizeof(struct epoll_event));
11504
11505 switch (num) {
11506#if defined(TARGET_NR_epoll_pwait)
11507 case TARGET_NR_epoll_pwait:
11508 {
11509 target_sigset_t *target_set;
11510 sigset_t _set, *set = &_set;
11511
11512 if (arg5) {
11513 if (arg6 != sizeof(target_sigset_t)) {
11514 ret = -TARGET_EINVAL;
11515 break;
11516 }
11517
11518 target_set = lock_user(VERIFY_READ, arg5,
11519 sizeof(target_sigset_t), 1);
11520 if (!target_set) {
11521 unlock_user(target_ep, arg2, 0);
11522 goto efault;
11523 }
11524 target_to_host_sigset(set, target_set);
11525 unlock_user(target_set, arg5, 0);
11526 } else {
11527 set = NULL;
11528 }
11529
11530 ret = get_errno(safe_epoll_pwait(epfd, ep, maxevents, timeout,
11531 set, SIGSET_T_SIZE));
11532 break;
11533 }
11534#endif
11535#if defined(TARGET_NR_epoll_wait)
11536 case TARGET_NR_epoll_wait:
11537 ret = get_errno(safe_epoll_pwait(epfd, ep, maxevents, timeout,
11538 NULL, 0));
11539 break;
11540#endif
11541 default:
11542 ret = -TARGET_ENOSYS;
11543 }
11544 if (!is_error(ret)) {
11545 int i;
11546 for (i = 0; i < ret; i++) {
11547 target_ep[i].events = tswap32(ep[i].events);
11548 target_ep[i].data.u64 = tswap64(ep[i].data.u64);
11549 }
11550 }
11551 unlock_user(target_ep, arg2, ret * sizeof(struct target_epoll_event));
11552 break;
11553 }
11554#endif
11555#endif
11556#ifdef TARGET_NR_prlimit64
11557 case TARGET_NR_prlimit64:
11558 {
11559
11560 struct target_rlimit64 *target_rnew, *target_rold;
11561 struct host_rlimit64 rnew, rold, *rnewp = 0;
11562 int resource = target_to_host_resource(arg2);
11563 if (arg3) {
11564 if (!lock_user_struct(VERIFY_READ, target_rnew, arg3, 1)) {
11565 goto efault;
11566 }
11567 rnew.rlim_cur = tswap64(target_rnew->rlim_cur);
11568 rnew.rlim_max = tswap64(target_rnew->rlim_max);
11569 unlock_user_struct(target_rnew, arg3, 0);
11570 rnewp = &rnew;
11571 }
11572
11573 ret = get_errno(sys_prlimit64(arg1, resource, rnewp, arg4 ? &rold : 0));
11574 if (!is_error(ret) && arg4) {
11575 if (!lock_user_struct(VERIFY_WRITE, target_rold, arg4, 1)) {
11576 goto efault;
11577 }
11578 target_rold->rlim_cur = tswap64(rold.rlim_cur);
11579 target_rold->rlim_max = tswap64(rold.rlim_max);
11580 unlock_user_struct(target_rold, arg4, 1);
11581 }
11582 break;
11583 }
11584#endif
11585#ifdef TARGET_NR_gethostname
11586 case TARGET_NR_gethostname:
11587 {
11588 char *name = lock_user(VERIFY_WRITE, arg1, arg2, 0);
11589 if (name) {
11590 ret = get_errno(gethostname(name, arg2));
11591 unlock_user(name, arg1, arg2);
11592 } else {
11593 ret = -TARGET_EFAULT;
11594 }
11595 break;
11596 }
11597#endif
11598#ifdef TARGET_NR_atomic_cmpxchg_32
11599 case TARGET_NR_atomic_cmpxchg_32:
11600 {
11601
11602 abi_ulong mem_value;
11603 if (get_user_u32(mem_value, arg6)) {
11604 target_siginfo_t info;
11605 info.si_signo = SIGSEGV;
11606 info.si_errno = 0;
11607 info.si_code = TARGET_SEGV_MAPERR;
11608 info._sifields._sigfault._addr = arg6;
11609 queue_signal((CPUArchState *)cpu_env, info.si_signo, &info);
11610 ret = 0xdeadbeef;
11611
11612 }
11613 if (mem_value == arg2)
11614 put_user_u32(arg1, arg6);
11615 ret = mem_value;
11616 break;
11617 }
11618#endif
11619#ifdef TARGET_NR_atomic_barrier
11620 case TARGET_NR_atomic_barrier:
11621 {
11622
11623 ret = 0;
11624 break;
11625 }
11626#endif
11627
11628#ifdef TARGET_NR_timer_create
11629 case TARGET_NR_timer_create:
11630 {
11631
11632
11633 struct sigevent host_sevp = { {0}, }, *phost_sevp = NULL;
11634
11635 int clkid = arg1;
11636 int timer_index = next_free_host_timer();
11637
11638 if (timer_index < 0) {
11639 ret = -TARGET_EAGAIN;
11640 } else {
11641 timer_t *phtimer = g_posix_timers + timer_index;
11642
11643 if (arg2) {
11644 phost_sevp = &host_sevp;
11645 ret = target_to_host_sigevent(phost_sevp, arg2);
11646 if (ret != 0) {
11647 break;
11648 }
11649 }
11650
11651 ret = get_errno(timer_create(clkid, phost_sevp, phtimer));
11652 if (ret) {
11653 phtimer = NULL;
11654 } else {
11655 if (put_user(TIMER_MAGIC | timer_index, arg3, target_timer_t)) {
11656 goto efault;
11657 }
11658 }
11659 }
11660 break;
11661 }
11662#endif
11663
11664#ifdef TARGET_NR_timer_settime
11665 case TARGET_NR_timer_settime:
11666 {
11667
11668
11669 target_timer_t timerid = get_timer_id(arg1);
11670
11671 if (timerid < 0) {
11672 ret = timerid;
11673 } else if (arg3 == 0) {
11674 ret = -TARGET_EINVAL;
11675 } else {
11676 timer_t htimer = g_posix_timers[timerid];
11677 struct itimerspec hspec_new = {{0},}, hspec_old = {{0},};
11678
11679 target_to_host_itimerspec(&hspec_new, arg3);
11680 ret = get_errno(
11681 timer_settime(htimer, arg2, &hspec_new, &hspec_old));
11682 host_to_target_itimerspec(arg2, &hspec_old);
11683 }
11684 break;
11685 }
11686#endif
11687
11688#ifdef TARGET_NR_timer_gettime
11689 case TARGET_NR_timer_gettime:
11690 {
11691
11692 target_timer_t timerid = get_timer_id(arg1);
11693
11694 if (timerid < 0) {
11695 ret = timerid;
11696 } else if (!arg2) {
11697 ret = -TARGET_EFAULT;
11698 } else {
11699 timer_t htimer = g_posix_timers[timerid];
11700 struct itimerspec hspec;
11701 ret = get_errno(timer_gettime(htimer, &hspec));
11702
11703 if (host_to_target_itimerspec(arg2, &hspec)) {
11704 ret = -TARGET_EFAULT;
11705 }
11706 }
11707 break;
11708 }
11709#endif
11710
11711#ifdef TARGET_NR_timer_getoverrun
11712 case TARGET_NR_timer_getoverrun:
11713 {
11714
11715 target_timer_t timerid = get_timer_id(arg1);
11716
11717 if (timerid < 0) {
11718 ret = timerid;
11719 } else {
11720 timer_t htimer = g_posix_timers[timerid];
11721 ret = get_errno(timer_getoverrun(htimer));
11722 }
11723 fd_trans_unregister(ret);
11724 break;
11725 }
11726#endif
11727
11728#ifdef TARGET_NR_timer_delete
11729 case TARGET_NR_timer_delete:
11730 {
11731
11732 target_timer_t timerid = get_timer_id(arg1);
11733
11734 if (timerid < 0) {
11735 ret = timerid;
11736 } else {
11737 timer_t htimer = g_posix_timers[timerid];
11738 ret = get_errno(timer_delete(htimer));
11739 g_posix_timers[timerid] = 0;
11740 }
11741 break;
11742 }
11743#endif
11744
11745#if defined(TARGET_NR_timerfd_create) && defined(CONFIG_TIMERFD)
11746 case TARGET_NR_timerfd_create:
11747 ret = get_errno(timerfd_create(arg1,
11748 target_to_host_bitmask(arg2, fcntl_flags_tbl)));
11749 break;
11750#endif
11751
11752#if defined(TARGET_NR_timerfd_gettime) && defined(CONFIG_TIMERFD)
11753 case TARGET_NR_timerfd_gettime:
11754 {
11755 struct itimerspec its_curr;
11756
11757 ret = get_errno(timerfd_gettime(arg1, &its_curr));
11758
11759 if (arg2 && host_to_target_itimerspec(arg2, &its_curr)) {
11760 goto efault;
11761 }
11762 }
11763 break;
11764#endif
11765
11766#if defined(TARGET_NR_timerfd_settime) && defined(CONFIG_TIMERFD)
11767 case TARGET_NR_timerfd_settime:
11768 {
11769 struct itimerspec its_new, its_old, *p_new;
11770
11771 if (arg3) {
11772 if (target_to_host_itimerspec(&its_new, arg3)) {
11773 goto efault;
11774 }
11775 p_new = &its_new;
11776 } else {
11777 p_new = NULL;
11778 }
11779
11780 ret = get_errno(timerfd_settime(arg1, arg2, p_new, &its_old));
11781
11782 if (arg4 && host_to_target_itimerspec(arg4, &its_old)) {
11783 goto efault;
11784 }
11785 }
11786 break;
11787#endif
11788
11789#if defined(TARGET_NR_ioprio_get) && defined(__NR_ioprio_get)
11790 case TARGET_NR_ioprio_get:
11791 ret = get_errno(ioprio_get(arg1, arg2));
11792 break;
11793#endif
11794
11795#if defined(TARGET_NR_ioprio_set) && defined(__NR_ioprio_set)
11796 case TARGET_NR_ioprio_set:
11797 ret = get_errno(ioprio_set(arg1, arg2, arg3));
11798 break;
11799#endif
11800
11801#if defined(TARGET_NR_setns) && defined(CONFIG_SETNS)
11802 case TARGET_NR_setns:
11803 ret = get_errno(setns(arg1, arg2));
11804 break;
11805#endif
11806#if defined(TARGET_NR_unshare) && defined(CONFIG_SETNS)
11807 case TARGET_NR_unshare:
11808 ret = get_errno(unshare(arg1));
11809 break;
11810#endif
11811
11812 default:
11813 unimplemented:
11814 gemu_log("qemu: Unsupported syscall: %d\n", num);
11815#if defined(TARGET_NR_setxattr) || defined(TARGET_NR_get_thread_area) || defined(TARGET_NR_getdomainname) || defined(TARGET_NR_set_robust_list)
11816 unimplemented_nowarn:
11817#endif
11818 ret = -TARGET_ENOSYS;
11819 break;
11820 }
11821fail:
11822#ifdef DEBUG
11823 gemu_log(" = " TARGET_ABI_FMT_ld "\n", ret);
11824#endif
11825 if(do_strace)
11826 print_syscall_ret(num, ret);
11827 trace_guest_user_syscall_ret(cpu, num, ret);
11828 return ret;
11829efault:
11830 ret = -TARGET_EFAULT;
11831 goto fail;
11832}
11833
