4 * Copyright (c) 2003 Fabrice Bellard
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
30 #include <sys/types.h>
34 #include <sys/mount.h>
35 #include <sys/resource.h>
40 #include <sys/socket.h>
43 #include <sys/times.h>
45 #include <sys/statfs.h>
47 #include <sys/sysinfo.h>
48 //#include <sys/user.h>
49 #include <netinet/ip.h>
50 #include <netinet/tcp.h>
52 #define termios host_termios
53 #define winsize host_winsize
54 #define termio host_termio
55 #define sgttyb host_sgttyb /* same as target */
56 #define tchars host_tchars /* same as target */
57 #define ltchars host_ltchars /* same as target */
59 #include <linux/termios.h>
60 #include <linux/unistd.h>
61 #include <linux/utsname.h>
62 #include <linux/cdrom.h>
63 #include <linux/hdreg.h>
64 #include <linux/soundcard.h>
65 #include <linux/dirent.h>
72 #if defined(TARGET_I386) || defined(TARGET_ARM) || defined(TARGET_SPARC) \
73 || defined(TARGET_M68K)
74 /* 16 bit uid wrappers emulation */
78 //#include <linux/msdos_fs.h>
79 #define VFAT_IOCTL_READDIR_BOTH _IOR('r', 1, struct dirent [2])
80 #define VFAT_IOCTL_READDIR_SHORT _IOR('r', 2, struct dirent [2])
91 #define _syscall0(type,name) \
94 return syscall(__NR_##name); \
97 #define _syscall1(type,name,type1,arg1) \
98 type name (type1 arg1) \
100 return syscall(__NR_##name, arg1); \
103 #define _syscall2(type,name,type1,arg1,type2,arg2) \
104 type name (type1 arg1,type2 arg2) \
106 return syscall(__NR_##name, arg1, arg2); \
109 #define _syscall3(type,name,type1,arg1,type2,arg2,type3,arg3) \
110 type name (type1 arg1,type2 arg2,type3 arg3) \
112 return syscall(__NR_##name, arg1, arg2, arg3); \
115 #define _syscall4(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4) \
116 type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4) \
118 return syscall(__NR_##name, arg1, arg2, arg3, arg4); \
121 #define _syscall5(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4, \
123 type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4,type5 arg5) \
125 return syscall(__NR_##name, arg1, arg2, arg3, arg4, arg5); \
129 #define _syscall6(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4, \
130 type5,arg5,type6,arg6) \
131 type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4,type5 arg5,type6 arg6) \
133 return syscall(__NR_##name, arg1, arg2, arg3, arg4, arg5, arg6); \
137 #define __NR_sys_uname __NR_uname
138 #define __NR_sys_getcwd1 __NR_getcwd
139 #define __NR_sys_getdents __NR_getdents
140 #define __NR_sys_getdents64 __NR_getdents64
141 #define __NR_sys_rt_sigqueueinfo __NR_rt_sigqueueinfo
143 #if defined(__alpha__) || defined (__ia64__) || defined(__x86_64__)
144 #define __NR__llseek __NR_lseek
148 _syscall0(int, gettid)
150 static int gettid(void) {
154 _syscall1(int,sys_uname,struct new_utsname *,buf)
155 _syscall2(int,sys_getcwd1,char *,buf,size_t,size)
156 _syscall3(int, sys_getdents, uint, fd, struct dirent *, dirp, uint, count);
157 _syscall3(int, sys_getdents64, uint, fd, struct dirent64 *, dirp, uint, count);
158 _syscall5(int, _llseek, uint, fd, ulong, hi, ulong, lo,
159 loff_t *, res, uint, wh);
160 _syscall3(int,sys_rt_sigqueueinfo,int,pid,int,sig,siginfo_t *,uinfo)
161 #ifdef __NR_exit_group
162 _syscall1(int,exit_group,int,error_code)
165 extern int personality(int);
166 extern int flock(int, int);
167 extern int setfsuid(int);
168 extern int setfsgid(int);
169 extern int setresuid(uid_t, uid_t, uid_t);
170 extern int getresuid(uid_t *, uid_t *, uid_t *);
171 extern int setresgid(gid_t, gid_t, gid_t);
172 extern int getresgid(gid_t *, gid_t *, gid_t *);
173 extern int setgroups(int, gid_t *);
175 static inline long get_errno(long ret)
183 static inline int is_error(long ret)
185 return (unsigned long)ret >= (unsigned long)(-4096);
188 static target_ulong target_brk;
189 static target_ulong target_original_brk;
191 void target_set_brk(target_ulong new_brk)
193 target_original_brk = target_brk = new_brk;
196 long do_brk(target_ulong new_brk)
198 target_ulong brk_page;
204 if (new_brk < target_original_brk)
207 brk_page = HOST_PAGE_ALIGN(target_brk);
209 /* If the new brk is less than this, set it and we're done... */
210 if (new_brk < brk_page) {
211 target_brk = new_brk;
215 /* We need to allocate more memory after the brk... */
216 new_alloc_size = HOST_PAGE_ALIGN(new_brk - brk_page + 1);
217 mapped_addr = get_errno(target_mmap(brk_page, new_alloc_size,
218 PROT_READ|PROT_WRITE,
219 MAP_ANON|MAP_FIXED|MAP_PRIVATE, 0, 0));
220 if (is_error(mapped_addr)) {
223 target_brk = new_brk;
228 static inline fd_set *target_to_host_fds(fd_set *fds,
229 target_long *target_fds, int n)
231 #if !defined(BSWAP_NEEDED) && !defined(WORDS_BIGENDIAN)
232 return (fd_set *)target_fds;
237 for(i = 0;i < n; i++) {
238 b = (tswapl(target_fds[i / TARGET_LONG_BITS]) >>
239 (i & (TARGET_LONG_BITS - 1))) & 1;
250 static inline void host_to_target_fds(target_long *target_fds,
253 #if !defined(BSWAP_NEEDED) && !defined(WORDS_BIGENDIAN)
260 nw = (n + TARGET_LONG_BITS - 1) / TARGET_LONG_BITS;
262 for(i = 0;i < nw; i++) {
264 for(j = 0; j < TARGET_LONG_BITS; j++) {
265 v |= ((FD_ISSET(k, fds) != 0) << j);
268 target_fds[i] = tswapl(v);
274 #if defined(__alpha__)
280 static inline long host_to_target_clock_t(long ticks)
282 #if HOST_HZ == TARGET_HZ
285 return ((int64_t)ticks * TARGET_HZ) / HOST_HZ;
289 static inline void host_to_target_rusage(target_ulong target_addr,
290 const struct rusage *rusage)
292 struct target_rusage *target_rusage;
294 lock_user_struct(target_rusage, target_addr, 0);
295 target_rusage->ru_utime.tv_sec = tswapl(rusage->ru_utime.tv_sec);
296 target_rusage->ru_utime.tv_usec = tswapl(rusage->ru_utime.tv_usec);
297 target_rusage->ru_stime.tv_sec = tswapl(rusage->ru_stime.tv_sec);
298 target_rusage->ru_stime.tv_usec = tswapl(rusage->ru_stime.tv_usec);
299 target_rusage->ru_maxrss = tswapl(rusage->ru_maxrss);
300 target_rusage->ru_ixrss = tswapl(rusage->ru_ixrss);
301 target_rusage->ru_idrss = tswapl(rusage->ru_idrss);
302 target_rusage->ru_isrss = tswapl(rusage->ru_isrss);
303 target_rusage->ru_minflt = tswapl(rusage->ru_minflt);
304 target_rusage->ru_majflt = tswapl(rusage->ru_majflt);
305 target_rusage->ru_nswap = tswapl(rusage->ru_nswap);
306 target_rusage->ru_inblock = tswapl(rusage->ru_inblock);
307 target_rusage->ru_oublock = tswapl(rusage->ru_oublock);
308 target_rusage->ru_msgsnd = tswapl(rusage->ru_msgsnd);
309 target_rusage->ru_msgrcv = tswapl(rusage->ru_msgrcv);
310 target_rusage->ru_nsignals = tswapl(rusage->ru_nsignals);
311 target_rusage->ru_nvcsw = tswapl(rusage->ru_nvcsw);
312 target_rusage->ru_nivcsw = tswapl(rusage->ru_nivcsw);
313 unlock_user_struct(target_rusage, target_addr, 1);
316 static inline void target_to_host_timeval(struct timeval *tv,
317 target_ulong target_addr)
319 struct target_timeval *target_tv;
321 lock_user_struct(target_tv, target_addr, 1);
322 tv->tv_sec = tswapl(target_tv->tv_sec);
323 tv->tv_usec = tswapl(target_tv->tv_usec);
324 unlock_user_struct(target_tv, target_addr, 0);
327 static inline void host_to_target_timeval(target_ulong target_addr,
328 const struct timeval *tv)
330 struct target_timeval *target_tv;
332 lock_user_struct(target_tv, target_addr, 0);
333 target_tv->tv_sec = tswapl(tv->tv_sec);
334 target_tv->tv_usec = tswapl(tv->tv_usec);
335 unlock_user_struct(target_tv, target_addr, 1);
339 static long do_select(long n,
340 target_ulong rfd_p, target_ulong wfd_p,
341 target_ulong efd_p, target_ulong target_tv)
343 fd_set rfds, wfds, efds;
344 fd_set *rfds_ptr, *wfds_ptr, *efds_ptr;
345 target_long *target_rfds, *target_wfds, *target_efds;
346 struct timeval tv, *tv_ptr;
351 target_rfds = lock_user(rfd_p, sizeof(target_long) * n, 1);
352 rfds_ptr = target_to_host_fds(&rfds, target_rfds, n);
358 target_wfds = lock_user(wfd_p, sizeof(target_long) * n, 1);
359 wfds_ptr = target_to_host_fds(&wfds, target_wfds, n);
365 target_efds = lock_user(efd_p, sizeof(target_long) * n, 1);
366 efds_ptr = target_to_host_fds(&efds, target_efds, n);
373 target_to_host_timeval(&tv, target_tv);
378 ret = get_errno(select(n, rfds_ptr, wfds_ptr, efds_ptr, tv_ptr));
382 host_to_target_fds(target_rfds, rfds_ptr, n);
383 host_to_target_fds(target_wfds, wfds_ptr, n);
384 host_to_target_fds(target_efds, efds_ptr, n);
387 host_to_target_timeval(target_tv, &tv);
391 unlock_user(target_rfds, rfd_p, ok ? sizeof(target_long) * n : 0);
393 unlock_user(target_wfds, wfd_p, ok ? sizeof(target_long) * n : 0);
395 unlock_user(target_efds, efd_p, ok ? sizeof(target_long) * n : 0);
400 static inline void target_to_host_sockaddr(struct sockaddr *addr,
401 target_ulong target_addr,
404 struct target_sockaddr *target_saddr;
406 target_saddr = lock_user(target_addr, len, 1);
407 memcpy(addr, target_saddr, len);
408 addr->sa_family = tswap16(target_saddr->sa_family);
409 unlock_user(target_saddr, target_addr, 0);
412 static inline void host_to_target_sockaddr(target_ulong target_addr,
413 struct sockaddr *addr,
416 struct target_sockaddr *target_saddr;
418 target_saddr = lock_user(target_addr, len, 0);
419 memcpy(target_saddr, addr, len);
420 target_saddr->sa_family = tswap16(addr->sa_family);
421 unlock_user(target_saddr, target_addr, len);
424 /* ??? Should this also swap msgh->name? */
425 static inline void target_to_host_cmsg(struct msghdr *msgh,
426 struct target_msghdr *target_msgh)
428 struct cmsghdr *cmsg = CMSG_FIRSTHDR(msgh);
429 struct target_cmsghdr *target_cmsg = TARGET_CMSG_FIRSTHDR(target_msgh);
432 while (cmsg && target_cmsg) {
433 void *data = CMSG_DATA(cmsg);
434 void *target_data = TARGET_CMSG_DATA(target_cmsg);
436 int len = tswapl(target_cmsg->cmsg_len)
437 - TARGET_CMSG_ALIGN(sizeof (struct target_cmsghdr));
439 space += CMSG_SPACE(len);
440 if (space > msgh->msg_controllen) {
441 space -= CMSG_SPACE(len);
442 gemu_log("Host cmsg overflow\n");
446 cmsg->cmsg_level = tswap32(target_cmsg->cmsg_level);
447 cmsg->cmsg_type = tswap32(target_cmsg->cmsg_type);
448 cmsg->cmsg_len = CMSG_LEN(len);
450 if (cmsg->cmsg_level != TARGET_SOL_SOCKET || cmsg->cmsg_type != SCM_RIGHTS) {
451 gemu_log("Unsupported ancillary data: %d/%d\n", cmsg->cmsg_level, cmsg->cmsg_type);
452 memcpy(data, target_data, len);
454 int *fd = (int *)data;
455 int *target_fd = (int *)target_data;
456 int i, numfds = len / sizeof(int);
458 for (i = 0; i < numfds; i++)
459 fd[i] = tswap32(target_fd[i]);
462 cmsg = CMSG_NXTHDR(msgh, cmsg);
463 target_cmsg = TARGET_CMSG_NXTHDR(target_msgh, target_cmsg);
466 msgh->msg_controllen = space;
469 /* ??? Should this also swap msgh->name? */
470 static inline void host_to_target_cmsg(struct target_msghdr *target_msgh,
473 struct cmsghdr *cmsg = CMSG_FIRSTHDR(msgh);
474 struct target_cmsghdr *target_cmsg = TARGET_CMSG_FIRSTHDR(target_msgh);
477 while (cmsg && target_cmsg) {
478 void *data = CMSG_DATA(cmsg);
479 void *target_data = TARGET_CMSG_DATA(target_cmsg);
481 int len = cmsg->cmsg_len - CMSG_ALIGN(sizeof (struct cmsghdr));
483 space += TARGET_CMSG_SPACE(len);
484 if (space > tswapl(target_msgh->msg_controllen)) {
485 space -= TARGET_CMSG_SPACE(len);
486 gemu_log("Target cmsg overflow\n");
490 target_cmsg->cmsg_level = tswap32(cmsg->cmsg_level);
491 target_cmsg->cmsg_type = tswap32(cmsg->cmsg_type);
492 target_cmsg->cmsg_len = tswapl(TARGET_CMSG_LEN(len));
494 if (cmsg->cmsg_level != TARGET_SOL_SOCKET || cmsg->cmsg_type != SCM_RIGHTS) {
495 gemu_log("Unsupported ancillary data: %d/%d\n", cmsg->cmsg_level, cmsg->cmsg_type);
496 memcpy(target_data, data, len);
498 int *fd = (int *)data;
499 int *target_fd = (int *)target_data;
500 int i, numfds = len / sizeof(int);
502 for (i = 0; i < numfds; i++)
503 target_fd[i] = tswap32(fd[i]);
506 cmsg = CMSG_NXTHDR(msgh, cmsg);
507 target_cmsg = TARGET_CMSG_NXTHDR(target_msgh, target_cmsg);
510 msgh->msg_controllen = tswapl(space);
513 static long do_setsockopt(int sockfd, int level, int optname,
514 target_ulong optval, socklen_t optlen)
520 /* TCP options all take an 'int' value. */
521 if (optlen < sizeof(uint32_t))
524 val = tget32(optval);
525 ret = get_errno(setsockopt(sockfd, level, optname, &val, sizeof(val)));
532 case IP_ROUTER_ALERT:
536 case IP_MTU_DISCOVER:
542 case IP_MULTICAST_TTL:
543 case IP_MULTICAST_LOOP:
545 if (optlen >= sizeof(uint32_t)) {
546 val = tget32(optval);
547 } else if (optlen >= 1) {
550 ret = get_errno(setsockopt(sockfd, level, optname, &val, sizeof(val)));
556 case TARGET_SOL_SOCKET:
558 /* Options with 'int' argument. */
559 case TARGET_SO_DEBUG:
562 case TARGET_SO_REUSEADDR:
563 optname = SO_REUSEADDR;
568 case TARGET_SO_ERROR:
571 case TARGET_SO_DONTROUTE:
572 optname = SO_DONTROUTE;
574 case TARGET_SO_BROADCAST:
575 optname = SO_BROADCAST;
577 case TARGET_SO_SNDBUF:
580 case TARGET_SO_RCVBUF:
583 case TARGET_SO_KEEPALIVE:
584 optname = SO_KEEPALIVE;
586 case TARGET_SO_OOBINLINE:
587 optname = SO_OOBINLINE;
589 case TARGET_SO_NO_CHECK:
590 optname = SO_NO_CHECK;
592 case TARGET_SO_PRIORITY:
593 optname = SO_PRIORITY;
596 case TARGET_SO_BSDCOMPAT:
597 optname = SO_BSDCOMPAT;
600 case TARGET_SO_PASSCRED:
601 optname = SO_PASSCRED;
603 case TARGET_SO_TIMESTAMP:
604 optname = SO_TIMESTAMP;
606 case TARGET_SO_RCVLOWAT:
607 optname = SO_RCVLOWAT;
609 case TARGET_SO_RCVTIMEO:
610 optname = SO_RCVTIMEO;
612 case TARGET_SO_SNDTIMEO:
613 optname = SO_SNDTIMEO;
619 if (optlen < sizeof(uint32_t))
622 val = tget32(optval);
623 ret = get_errno(setsockopt(sockfd, SOL_SOCKET, optname, &val, sizeof(val)));
627 gemu_log("Unsupported setsockopt level=%d optname=%d \n", level, optname);
633 static long do_getsockopt(int sockfd, int level, int optname,
634 target_ulong optval, target_ulong optlen)
636 int len, lv, val, ret;
639 case TARGET_SOL_SOCKET:
642 case TARGET_SO_LINGER:
643 case TARGET_SO_RCVTIMEO:
644 case TARGET_SO_SNDTIMEO:
645 case TARGET_SO_PEERCRED:
646 case TARGET_SO_PEERNAME:
647 /* These don't just return a single integer */
654 /* TCP options all take an 'int' value. */
656 len = tget32(optlen);
660 ret = get_errno(getsockopt(sockfd, level, optname, &val, &lv));
677 case IP_ROUTER_ALERT:
681 case IP_MTU_DISCOVER:
687 case IP_MULTICAST_TTL:
688 case IP_MULTICAST_LOOP:
689 len = tget32(optlen);
693 ret = get_errno(getsockopt(sockfd, level, optname, &val, &lv));
696 if (len < sizeof(int) && len > 0 && val >= 0 && val < 255) {
701 if (len > sizeof(int))
713 gemu_log("getsockopt level=%d optname=%d not yet supported\n",
721 static void lock_iovec(struct iovec *vec, target_ulong target_addr,
724 struct target_iovec *target_vec;
728 target_vec = lock_user(target_addr, count * sizeof(struct target_iovec), 1);
729 for(i = 0;i < count; i++) {
730 base = tswapl(target_vec[i].iov_base);
731 vec[i].iov_len = tswapl(target_vec[i].iov_len);
732 vec[i].iov_base = lock_user(base, vec[i].iov_len, copy);
734 unlock_user (target_vec, target_addr, 0);
737 static void unlock_iovec(struct iovec *vec, target_ulong target_addr,
740 struct target_iovec *target_vec;
744 target_vec = lock_user(target_addr, count * sizeof(struct target_iovec), 1);
745 for(i = 0;i < count; i++) {
746 base = tswapl(target_vec[i].iov_base);
747 unlock_user(vec[i].iov_base, base, copy ? vec[i].iov_len : 0);
749 unlock_user (target_vec, target_addr, 0);
752 static long do_socket(int domain, int type, int protocol)
754 #if defined(TARGET_MIPS)
756 case TARGET_SOCK_DGRAM:
759 case TARGET_SOCK_STREAM:
762 case TARGET_SOCK_RAW:
765 case TARGET_SOCK_RDM:
768 case TARGET_SOCK_SEQPACKET:
769 type = SOCK_SEQPACKET;
771 case TARGET_SOCK_PACKET:
776 return get_errno(socket(domain, type, protocol));
779 static long do_bind(int sockfd, target_ulong target_addr,
782 void *addr = alloca(addrlen);
784 target_to_host_sockaddr(addr, target_addr, addrlen);
785 return get_errno(bind(sockfd, addr, addrlen));
788 static long do_connect(int sockfd, target_ulong target_addr,
791 void *addr = alloca(addrlen);
793 target_to_host_sockaddr(addr, target_addr, addrlen);
794 return get_errno(connect(sockfd, addr, addrlen));
797 static long do_sendrecvmsg(int fd, target_ulong target_msg,
801 struct target_msghdr *msgp;
805 target_ulong target_vec;
807 lock_user_struct(msgp, target_msg, 1);
808 if (msgp->msg_name) {
809 msg.msg_namelen = tswap32(msgp->msg_namelen);
810 msg.msg_name = alloca(msg.msg_namelen);
811 target_to_host_sockaddr(msg.msg_name, tswapl(msgp->msg_name),
817 msg.msg_controllen = 2 * tswapl(msgp->msg_controllen);
818 msg.msg_control = alloca(msg.msg_controllen);
819 msg.msg_flags = tswap32(msgp->msg_flags);
821 count = tswapl(msgp->msg_iovlen);
822 vec = alloca(count * sizeof(struct iovec));
823 target_vec = tswapl(msgp->msg_iov);
824 lock_iovec(vec, target_vec, count, send);
825 msg.msg_iovlen = count;
829 target_to_host_cmsg(&msg, msgp);
830 ret = get_errno(sendmsg(fd, &msg, flags));
832 ret = get_errno(recvmsg(fd, &msg, flags));
834 host_to_target_cmsg(msgp, &msg);
836 unlock_iovec(vec, target_vec, count, !send);
840 static long do_accept(int fd, target_ulong target_addr,
841 target_ulong target_addrlen)
843 socklen_t addrlen = tget32(target_addrlen);
844 void *addr = alloca(addrlen);
847 ret = get_errno(accept(fd, addr, &addrlen));
848 if (!is_error(ret)) {
849 host_to_target_sockaddr(target_addr, addr, addrlen);
850 tput32(target_addrlen, addrlen);
855 static long do_getpeername(int fd, target_ulong target_addr,
856 target_ulong target_addrlen)
858 socklen_t addrlen = tget32(target_addrlen);
859 void *addr = alloca(target_addrlen);
862 ret = get_errno(getpeername(fd, addr, &addrlen));
863 if (!is_error(ret)) {
864 host_to_target_sockaddr(target_addr, addr, addrlen);
865 tput32(target_addrlen, addrlen);
870 static long do_getsockname(int fd, target_ulong target_addr,
871 target_ulong target_addrlen)
873 socklen_t addrlen = tget32(target_addrlen);
874 void *addr = alloca(target_addrlen);
877 ret = get_errno(getsockname(fd, addr, &addrlen));
878 if (!is_error(ret)) {
879 host_to_target_sockaddr(target_addr, addr, addrlen);
880 tput32(target_addrlen, addrlen);
885 static long do_socketpair(int domain, int type, int protocol,
886 target_ulong target_tab)
891 ret = get_errno(socketpair(domain, type, protocol, tab));
892 if (!is_error(ret)) {
893 tput32(target_tab, tab[0]);
894 tput32(target_tab + 4, tab[1]);
899 static long do_sendto(int fd, target_ulong msg, size_t len, int flags,
900 target_ulong target_addr, socklen_t addrlen)
906 host_msg = lock_user(msg, len, 1);
908 addr = alloca(addrlen);
909 target_to_host_sockaddr(addr, target_addr, addrlen);
910 ret = get_errno(sendto(fd, host_msg, len, flags, addr, addrlen));
912 ret = get_errno(send(fd, host_msg, len, flags));
914 unlock_user(host_msg, msg, 0);
918 static long do_recvfrom(int fd, target_ulong msg, size_t len, int flags,
919 target_ulong target_addr, target_ulong target_addrlen)
926 host_msg = lock_user(msg, len, 0);
928 addrlen = tget32(target_addrlen);
929 addr = alloca(addrlen);
930 ret = get_errno(recvfrom(fd, host_msg, len, flags, addr, &addrlen));
932 addr = NULL; /* To keep compiler quiet. */
933 ret = get_errno(recv(fd, host_msg, len, flags));
935 if (!is_error(ret)) {
937 host_to_target_sockaddr(target_addr, addr, addrlen);
938 tput32(target_addrlen, addrlen);
940 unlock_user(host_msg, msg, len);
942 unlock_user(host_msg, msg, 0);
947 static long do_socketcall(int num, target_ulong vptr)
950 const int n = sizeof(target_ulong);
955 int domain = tgetl(vptr);
956 int type = tgetl(vptr + n);
957 int protocol = tgetl(vptr + 2 * n);
958 ret = do_socket(domain, type, protocol);
963 int sockfd = tgetl(vptr);
964 target_ulong target_addr = tgetl(vptr + n);
965 socklen_t addrlen = tgetl(vptr + 2 * n);
966 ret = do_bind(sockfd, target_addr, addrlen);
971 int sockfd = tgetl(vptr);
972 target_ulong target_addr = tgetl(vptr + n);
973 socklen_t addrlen = tgetl(vptr + 2 * n);
974 ret = do_connect(sockfd, target_addr, addrlen);
979 int sockfd = tgetl(vptr);
980 int backlog = tgetl(vptr + n);
981 ret = get_errno(listen(sockfd, backlog));
986 int sockfd = tgetl(vptr);
987 target_ulong target_addr = tgetl(vptr + n);
988 target_ulong target_addrlen = tgetl(vptr + 2 * n);
989 ret = do_accept(sockfd, target_addr, target_addrlen);
992 case SOCKOP_getsockname:
994 int sockfd = tgetl(vptr);
995 target_ulong target_addr = tgetl(vptr + n);
996 target_ulong target_addrlen = tgetl(vptr + 2 * n);
997 ret = do_getsockname(sockfd, target_addr, target_addrlen);
1000 case SOCKOP_getpeername:
1002 int sockfd = tgetl(vptr);
1003 target_ulong target_addr = tgetl(vptr + n);
1004 target_ulong target_addrlen = tgetl(vptr + 2 * n);
1005 ret = do_getpeername(sockfd, target_addr, target_addrlen);
1008 case SOCKOP_socketpair:
1010 int domain = tgetl(vptr);
1011 int type = tgetl(vptr + n);
1012 int protocol = tgetl(vptr + 2 * n);
1013 target_ulong tab = tgetl(vptr + 3 * n);
1014 ret = do_socketpair(domain, type, protocol, tab);
1019 int sockfd = tgetl(vptr);
1020 target_ulong msg = tgetl(vptr + n);
1021 size_t len = tgetl(vptr + 2 * n);
1022 int flags = tgetl(vptr + 3 * n);
1023 ret = do_sendto(sockfd, msg, len, flags, 0, 0);
1028 int sockfd = tgetl(vptr);
1029 target_ulong msg = tgetl(vptr + n);
1030 size_t len = tgetl(vptr + 2 * n);
1031 int flags = tgetl(vptr + 3 * n);
1032 ret = do_recvfrom(sockfd, msg, len, flags, 0, 0);
1037 int sockfd = tgetl(vptr);
1038 target_ulong msg = tgetl(vptr + n);
1039 size_t len = tgetl(vptr + 2 * n);
1040 int flags = tgetl(vptr + 3 * n);
1041 target_ulong addr = tgetl(vptr + 4 * n);
1042 socklen_t addrlen = tgetl(vptr + 5 * n);
1043 ret = do_sendto(sockfd, msg, len, flags, addr, addrlen);
1046 case SOCKOP_recvfrom:
1048 int sockfd = tgetl(vptr);
1049 target_ulong msg = tgetl(vptr + n);
1050 size_t len = tgetl(vptr + 2 * n);
1051 int flags = tgetl(vptr + 3 * n);
1052 target_ulong addr = tgetl(vptr + 4 * n);
1053 target_ulong addrlen = tgetl(vptr + 5 * n);
1054 ret = do_recvfrom(sockfd, msg, len, flags, addr, addrlen);
1057 case SOCKOP_shutdown:
1059 int sockfd = tgetl(vptr);
1060 int how = tgetl(vptr + n);
1062 ret = get_errno(shutdown(sockfd, how));
1065 case SOCKOP_sendmsg:
1066 case SOCKOP_recvmsg:
1069 target_ulong target_msg;
1073 target_msg = tgetl(vptr + n);
1074 flags = tgetl(vptr + 2 * n);
1076 ret = do_sendrecvmsg(fd, target_msg, flags,
1077 (num == SOCKOP_sendmsg));
1080 case SOCKOP_setsockopt:
1082 int sockfd = tgetl(vptr);
1083 int level = tgetl(vptr + n);
1084 int optname = tgetl(vptr + 2 * n);
1085 target_ulong optval = tgetl(vptr + 3 * n);
1086 socklen_t optlen = tgetl(vptr + 4 * n);
1088 ret = do_setsockopt(sockfd, level, optname, optval, optlen);
1091 case SOCKOP_getsockopt:
1093 int sockfd = tgetl(vptr);
1094 int level = tgetl(vptr + n);
1095 int optname = tgetl(vptr + 2 * n);
1096 target_ulong optval = tgetl(vptr + 3 * n);
1097 target_ulong poptlen = tgetl(vptr + 4 * n);
1099 ret = do_getsockopt(sockfd, level, optname, optval, poptlen);
1103 gemu_log("Unsupported socketcall: %d\n", num);
1110 #define N_SHM_REGIONS 32
1112 static struct shm_region {
1115 } shm_regions[N_SHM_REGIONS];
1117 /* ??? This only works with linear mappings. */
1118 static long do_ipc(long call, long first, long second, long third,
1119 long ptr, long fifth)
1123 unsigned long raddr;
1124 struct shmid_ds shm_info;
1127 version = call >> 16;
1132 /* SHM_* flags are the same on all linux platforms */
1133 ret = get_errno((long) shmat(first, (void *) ptr, second));
1137 /* find out the length of the shared memory segment */
1139 ret = get_errno(shmctl(first, IPC_STAT, &shm_info));
1140 if (is_error(ret)) {
1141 /* can't get length, bail out */
1142 shmdt((void *) raddr);
1145 page_set_flags(raddr, raddr + shm_info.shm_segsz,
1146 PAGE_VALID | PAGE_READ |
1147 ((second & SHM_RDONLY)? 0: PAGE_WRITE));
1148 for (i = 0; i < N_SHM_REGIONS; ++i) {
1149 if (shm_regions[i].start == 0) {
1150 shm_regions[i].start = raddr;
1151 shm_regions[i].size = shm_info.shm_segsz;
1155 if (put_user(raddr, (uint32_t *)third))
1160 for (i = 0; i < N_SHM_REGIONS; ++i) {
1161 if (shm_regions[i].start == ptr) {
1162 shm_regions[i].start = 0;
1163 page_set_flags(ptr, shm_regions[i].size, 0);
1167 ret = get_errno(shmdt((void *) ptr));
1171 /* IPC_* flag values are the same on all linux platforms */
1172 ret = get_errno(shmget(first, second, third));
1175 /* IPC_* and SHM_* command values are the same on all linux platforms */
1181 ret = get_errno(shmctl(first, second, NULL));
1189 gemu_log("Unsupported ipc call: %ld (version %d)\n", call, version);
1196 /* kernel structure types definitions */
1199 #define STRUCT(name, list...) STRUCT_ ## name,
1200 #define STRUCT_SPECIAL(name) STRUCT_ ## name,
1202 #include "syscall_types.h"
1205 #undef STRUCT_SPECIAL
1207 #define STRUCT(name, list...) const argtype struct_ ## name ## _def[] = { list, TYPE_NULL };
1208 #define STRUCT_SPECIAL(name)
1209 #include "syscall_types.h"
1211 #undef STRUCT_SPECIAL
1213 typedef struct IOCTLEntry {
1214 unsigned int target_cmd;
1215 unsigned int host_cmd;
1218 const argtype arg_type[5];
1221 #define IOC_R 0x0001
1222 #define IOC_W 0x0002
1223 #define IOC_RW (IOC_R | IOC_W)
1225 #define MAX_STRUCT_SIZE 4096
1227 IOCTLEntry ioctl_entries[] = {
1228 #define IOCTL(cmd, access, types...) \
1229 { TARGET_ ## cmd, cmd, #cmd, access, { types } },
1234 /* ??? Implement proper locking for ioctls. */
1235 static long do_ioctl(long fd, long cmd, long arg)
1237 const IOCTLEntry *ie;
1238 const argtype *arg_type;
1240 uint8_t buf_temp[MAX_STRUCT_SIZE];
1246 if (ie->target_cmd == 0) {
1247 gemu_log("Unsupported ioctl: cmd=0x%04lx\n", cmd);
1250 if (ie->target_cmd == cmd)
1254 arg_type = ie->arg_type;
1256 gemu_log("ioctl: cmd=0x%04lx (%s)\n", cmd, ie->name);
1258 switch(arg_type[0]) {
1261 ret = get_errno(ioctl(fd, ie->host_cmd));
1266 ret = get_errno(ioctl(fd, ie->host_cmd, arg));
1270 target_size = thunk_type_size(arg_type, 0);
1271 switch(ie->access) {
1273 ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp));
1274 if (!is_error(ret)) {
1275 argptr = lock_user(arg, target_size, 0);
1276 thunk_convert(argptr, buf_temp, arg_type, THUNK_TARGET);
1277 unlock_user(argptr, arg, target_size);
1281 argptr = lock_user(arg, target_size, 1);
1282 thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST);
1283 unlock_user(argptr, arg, 0);
1284 ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp));
1288 argptr = lock_user(arg, target_size, 1);
1289 thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST);
1290 unlock_user(argptr, arg, 0);
1291 ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp));
1292 if (!is_error(ret)) {
1293 argptr = lock_user(arg, target_size, 0);
1294 thunk_convert(argptr, buf_temp, arg_type, THUNK_TARGET);
1295 unlock_user(argptr, arg, target_size);
1301 gemu_log("Unsupported ioctl type: cmd=0x%04lx type=%d\n", cmd, arg_type[0]);
1308 bitmask_transtbl iflag_tbl[] = {
1309 { TARGET_IGNBRK, TARGET_IGNBRK, IGNBRK, IGNBRK },
1310 { TARGET_BRKINT, TARGET_BRKINT, BRKINT, BRKINT },
1311 { TARGET_IGNPAR, TARGET_IGNPAR, IGNPAR, IGNPAR },
1312 { TARGET_PARMRK, TARGET_PARMRK, PARMRK, PARMRK },
1313 { TARGET_INPCK, TARGET_INPCK, INPCK, INPCK },
1314 { TARGET_ISTRIP, TARGET_ISTRIP, ISTRIP, ISTRIP },
1315 { TARGET_INLCR, TARGET_INLCR, INLCR, INLCR },
1316 { TARGET_IGNCR, TARGET_IGNCR, IGNCR, IGNCR },
1317 { TARGET_ICRNL, TARGET_ICRNL, ICRNL, ICRNL },
1318 { TARGET_IUCLC, TARGET_IUCLC, IUCLC, IUCLC },
1319 { TARGET_IXON, TARGET_IXON, IXON, IXON },
1320 { TARGET_IXANY, TARGET_IXANY, IXANY, IXANY },
1321 { TARGET_IXOFF, TARGET_IXOFF, IXOFF, IXOFF },
1322 { TARGET_IMAXBEL, TARGET_IMAXBEL, IMAXBEL, IMAXBEL },
1326 bitmask_transtbl oflag_tbl[] = {
1327 { TARGET_OPOST, TARGET_OPOST, OPOST, OPOST },
1328 { TARGET_OLCUC, TARGET_OLCUC, OLCUC, OLCUC },
1329 { TARGET_ONLCR, TARGET_ONLCR, ONLCR, ONLCR },
1330 { TARGET_OCRNL, TARGET_OCRNL, OCRNL, OCRNL },
1331 { TARGET_ONOCR, TARGET_ONOCR, ONOCR, ONOCR },
1332 { TARGET_ONLRET, TARGET_ONLRET, ONLRET, ONLRET },
1333 { TARGET_OFILL, TARGET_OFILL, OFILL, OFILL },
1334 { TARGET_OFDEL, TARGET_OFDEL, OFDEL, OFDEL },
1335 { TARGET_NLDLY, TARGET_NL0, NLDLY, NL0 },
1336 { TARGET_NLDLY, TARGET_NL1, NLDLY, NL1 },
1337 { TARGET_CRDLY, TARGET_CR0, CRDLY, CR0 },
1338 { TARGET_CRDLY, TARGET_CR1, CRDLY, CR1 },
1339 { TARGET_CRDLY, TARGET_CR2, CRDLY, CR2 },
1340 { TARGET_CRDLY, TARGET_CR3, CRDLY, CR3 },
1341 { TARGET_TABDLY, TARGET_TAB0, TABDLY, TAB0 },
1342 { TARGET_TABDLY, TARGET_TAB1, TABDLY, TAB1 },
1343 { TARGET_TABDLY, TARGET_TAB2, TABDLY, TAB2 },
1344 { TARGET_TABDLY, TARGET_TAB3, TABDLY, TAB3 },
1345 { TARGET_BSDLY, TARGET_BS0, BSDLY, BS0 },
1346 { TARGET_BSDLY, TARGET_BS1, BSDLY, BS1 },
1347 { TARGET_VTDLY, TARGET_VT0, VTDLY, VT0 },
1348 { TARGET_VTDLY, TARGET_VT1, VTDLY, VT1 },
1349 { TARGET_FFDLY, TARGET_FF0, FFDLY, FF0 },
1350 { TARGET_FFDLY, TARGET_FF1, FFDLY, FF1 },
1354 bitmask_transtbl cflag_tbl[] = {
1355 { TARGET_CBAUD, TARGET_B0, CBAUD, B0 },
1356 { TARGET_CBAUD, TARGET_B50, CBAUD, B50 },
1357 { TARGET_CBAUD, TARGET_B75, CBAUD, B75 },
1358 { TARGET_CBAUD, TARGET_B110, CBAUD, B110 },
1359 { TARGET_CBAUD, TARGET_B134, CBAUD, B134 },
1360 { TARGET_CBAUD, TARGET_B150, CBAUD, B150 },
1361 { TARGET_CBAUD, TARGET_B200, CBAUD, B200 },
1362 { TARGET_CBAUD, TARGET_B300, CBAUD, B300 },
1363 { TARGET_CBAUD, TARGET_B600, CBAUD, B600 },
1364 { TARGET_CBAUD, TARGET_B1200, CBAUD, B1200 },
1365 { TARGET_CBAUD, TARGET_B1800, CBAUD, B1800 },
1366 { TARGET_CBAUD, TARGET_B2400, CBAUD, B2400 },
1367 { TARGET_CBAUD, TARGET_B4800, CBAUD, B4800 },
1368 { TARGET_CBAUD, TARGET_B9600, CBAUD, B9600 },
1369 { TARGET_CBAUD, TARGET_B19200, CBAUD, B19200 },
1370 { TARGET_CBAUD, TARGET_B38400, CBAUD, B38400 },
1371 { TARGET_CBAUD, TARGET_B57600, CBAUD, B57600 },
1372 { TARGET_CBAUD, TARGET_B115200, CBAUD, B115200 },
1373 { TARGET_CBAUD, TARGET_B230400, CBAUD, B230400 },
1374 { TARGET_CBAUD, TARGET_B460800, CBAUD, B460800 },
1375 { TARGET_CSIZE, TARGET_CS5, CSIZE, CS5 },
1376 { TARGET_CSIZE, TARGET_CS6, CSIZE, CS6 },
1377 { TARGET_CSIZE, TARGET_CS7, CSIZE, CS7 },
1378 { TARGET_CSIZE, TARGET_CS8, CSIZE, CS8 },
1379 { TARGET_CSTOPB, TARGET_CSTOPB, CSTOPB, CSTOPB },
1380 { TARGET_CREAD, TARGET_CREAD, CREAD, CREAD },
1381 { TARGET_PARENB, TARGET_PARENB, PARENB, PARENB },
1382 { TARGET_PARODD, TARGET_PARODD, PARODD, PARODD },
1383 { TARGET_HUPCL, TARGET_HUPCL, HUPCL, HUPCL },
1384 { TARGET_CLOCAL, TARGET_CLOCAL, CLOCAL, CLOCAL },
1385 { TARGET_CRTSCTS, TARGET_CRTSCTS, CRTSCTS, CRTSCTS },
1389 bitmask_transtbl lflag_tbl[] = {
1390 { TARGET_ISIG, TARGET_ISIG, ISIG, ISIG },
1391 { TARGET_ICANON, TARGET_ICANON, ICANON, ICANON },
1392 { TARGET_XCASE, TARGET_XCASE, XCASE, XCASE },
1393 { TARGET_ECHO, TARGET_ECHO, ECHO, ECHO },
1394 { TARGET_ECHOE, TARGET_ECHOE, ECHOE, ECHOE },
1395 { TARGET_ECHOK, TARGET_ECHOK, ECHOK, ECHOK },
1396 { TARGET_ECHONL, TARGET_ECHONL, ECHONL, ECHONL },
1397 { TARGET_NOFLSH, TARGET_NOFLSH, NOFLSH, NOFLSH },
1398 { TARGET_TOSTOP, TARGET_TOSTOP, TOSTOP, TOSTOP },
1399 { TARGET_ECHOCTL, TARGET_ECHOCTL, ECHOCTL, ECHOCTL },
1400 { TARGET_ECHOPRT, TARGET_ECHOPRT, ECHOPRT, ECHOPRT },
1401 { TARGET_ECHOKE, TARGET_ECHOKE, ECHOKE, ECHOKE },
1402 { TARGET_FLUSHO, TARGET_FLUSHO, FLUSHO, FLUSHO },
1403 { TARGET_PENDIN, TARGET_PENDIN, PENDIN, PENDIN },
1404 { TARGET_IEXTEN, TARGET_IEXTEN, IEXTEN, IEXTEN },
1408 static void target_to_host_termios (void *dst, const void *src)
1410 struct host_termios *host = dst;
1411 const struct target_termios *target = src;
1414 target_to_host_bitmask(tswap32(target->c_iflag), iflag_tbl);
1416 target_to_host_bitmask(tswap32(target->c_oflag), oflag_tbl);
1418 target_to_host_bitmask(tswap32(target->c_cflag), cflag_tbl);
1420 target_to_host_bitmask(tswap32(target->c_lflag), lflag_tbl);
1421 host->c_line = target->c_line;
1423 host->c_cc[VINTR] = target->c_cc[TARGET_VINTR];
1424 host->c_cc[VQUIT] = target->c_cc[TARGET_VQUIT];
1425 host->c_cc[VERASE] = target->c_cc[TARGET_VERASE];
1426 host->c_cc[VKILL] = target->c_cc[TARGET_VKILL];
1427 host->c_cc[VEOF] = target->c_cc[TARGET_VEOF];
1428 host->c_cc[VTIME] = target->c_cc[TARGET_VTIME];
1429 host->c_cc[VMIN] = target->c_cc[TARGET_VMIN];
1430 host->c_cc[VSWTC] = target->c_cc[TARGET_VSWTC];
1431 host->c_cc[VSTART] = target->c_cc[TARGET_VSTART];
1432 host->c_cc[VSTOP] = target->c_cc[TARGET_VSTOP];
1433 host->c_cc[VSUSP] = target->c_cc[TARGET_VSUSP];
1434 host->c_cc[VEOL] = target->c_cc[TARGET_VEOL];
1435 host->c_cc[VREPRINT] = target->c_cc[TARGET_VREPRINT];
1436 host->c_cc[VDISCARD] = target->c_cc[TARGET_VDISCARD];
1437 host->c_cc[VWERASE] = target->c_cc[TARGET_VWERASE];
1438 host->c_cc[VLNEXT] = target->c_cc[TARGET_VLNEXT];
1439 host->c_cc[VEOL2] = target->c_cc[TARGET_VEOL2];
1442 static void host_to_target_termios (void *dst, const void *src)
1444 struct target_termios *target = dst;
1445 const struct host_termios *host = src;
1448 tswap32(host_to_target_bitmask(host->c_iflag, iflag_tbl));
1450 tswap32(host_to_target_bitmask(host->c_oflag, oflag_tbl));
1452 tswap32(host_to_target_bitmask(host->c_cflag, cflag_tbl));
1454 tswap32(host_to_target_bitmask(host->c_lflag, lflag_tbl));
1455 target->c_line = host->c_line;
1457 target->c_cc[TARGET_VINTR] = host->c_cc[VINTR];
1458 target->c_cc[TARGET_VQUIT] = host->c_cc[VQUIT];
1459 target->c_cc[TARGET_VERASE] = host->c_cc[VERASE];
1460 target->c_cc[TARGET_VKILL] = host->c_cc[VKILL];
1461 target->c_cc[TARGET_VEOF] = host->c_cc[VEOF];
1462 target->c_cc[TARGET_VTIME] = host->c_cc[VTIME];
1463 target->c_cc[TARGET_VMIN] = host->c_cc[VMIN];
1464 target->c_cc[TARGET_VSWTC] = host->c_cc[VSWTC];
1465 target->c_cc[TARGET_VSTART] = host->c_cc[VSTART];
1466 target->c_cc[TARGET_VSTOP] = host->c_cc[VSTOP];
1467 target->c_cc[TARGET_VSUSP] = host->c_cc[VSUSP];
1468 target->c_cc[TARGET_VEOL] = host->c_cc[VEOL];
1469 target->c_cc[TARGET_VREPRINT] = host->c_cc[VREPRINT];
1470 target->c_cc[TARGET_VDISCARD] = host->c_cc[VDISCARD];
1471 target->c_cc[TARGET_VWERASE] = host->c_cc[VWERASE];
1472 target->c_cc[TARGET_VLNEXT] = host->c_cc[VLNEXT];
1473 target->c_cc[TARGET_VEOL2] = host->c_cc[VEOL2];
1476 StructEntry struct_termios_def = {
1477 .convert = { host_to_target_termios, target_to_host_termios },
1478 .size = { sizeof(struct target_termios), sizeof(struct host_termios) },
1479 .align = { __alignof__(struct target_termios), __alignof__(struct host_termios) },
1482 static bitmask_transtbl mmap_flags_tbl[] = {
1483 { TARGET_MAP_SHARED, TARGET_MAP_SHARED, MAP_SHARED, MAP_SHARED },
1484 { TARGET_MAP_PRIVATE, TARGET_MAP_PRIVATE, MAP_PRIVATE, MAP_PRIVATE },
1485 { TARGET_MAP_FIXED, TARGET_MAP_FIXED, MAP_FIXED, MAP_FIXED },
1486 { TARGET_MAP_ANONYMOUS, TARGET_MAP_ANONYMOUS, MAP_ANONYMOUS, MAP_ANONYMOUS },
1487 { TARGET_MAP_GROWSDOWN, TARGET_MAP_GROWSDOWN, MAP_GROWSDOWN, MAP_GROWSDOWN },
1488 { TARGET_MAP_DENYWRITE, TARGET_MAP_DENYWRITE, MAP_DENYWRITE, MAP_DENYWRITE },
1489 { TARGET_MAP_EXECUTABLE, TARGET_MAP_EXECUTABLE, MAP_EXECUTABLE, MAP_EXECUTABLE },
1490 { TARGET_MAP_LOCKED, TARGET_MAP_LOCKED, MAP_LOCKED, MAP_LOCKED },
1494 static bitmask_transtbl fcntl_flags_tbl[] = {
1495 { TARGET_O_ACCMODE, TARGET_O_WRONLY, O_ACCMODE, O_WRONLY, },
1496 { TARGET_O_ACCMODE, TARGET_O_RDWR, O_ACCMODE, O_RDWR, },
1497 { TARGET_O_CREAT, TARGET_O_CREAT, O_CREAT, O_CREAT, },
1498 { TARGET_O_EXCL, TARGET_O_EXCL, O_EXCL, O_EXCL, },
1499 { TARGET_O_NOCTTY, TARGET_O_NOCTTY, O_NOCTTY, O_NOCTTY, },
1500 { TARGET_O_TRUNC, TARGET_O_TRUNC, O_TRUNC, O_TRUNC, },
1501 { TARGET_O_APPEND, TARGET_O_APPEND, O_APPEND, O_APPEND, },
1502 { TARGET_O_NONBLOCK, TARGET_O_NONBLOCK, O_NONBLOCK, O_NONBLOCK, },
1503 { TARGET_O_SYNC, TARGET_O_SYNC, O_SYNC, O_SYNC, },
1504 { TARGET_FASYNC, TARGET_FASYNC, FASYNC, FASYNC, },
1505 { TARGET_O_DIRECTORY, TARGET_O_DIRECTORY, O_DIRECTORY, O_DIRECTORY, },
1506 { TARGET_O_NOFOLLOW, TARGET_O_NOFOLLOW, O_NOFOLLOW, O_NOFOLLOW, },
1507 { TARGET_O_LARGEFILE, TARGET_O_LARGEFILE, O_LARGEFILE, O_LARGEFILE, },
1508 #if defined(O_DIRECT)
1509 { TARGET_O_DIRECT, TARGET_O_DIRECT, O_DIRECT, O_DIRECT, },
1514 #if defined(TARGET_I386)
1516 /* NOTE: there is really one LDT for all the threads */
1519 static int read_ldt(target_ulong ptr, unsigned long bytecount)
1526 size = TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE;
1527 if (size > bytecount)
1529 p = lock_user(ptr, size, 0);
1530 /* ??? Shoudl this by byteswapped? */
1531 memcpy(p, ldt_table, size);
1532 unlock_user(p, ptr, size);
1536 /* XXX: add locking support */
1537 static int write_ldt(CPUX86State *env,
1538 target_ulong ptr, unsigned long bytecount, int oldmode)
1540 struct target_modify_ldt_ldt_s ldt_info;
1541 struct target_modify_ldt_ldt_s *target_ldt_info;
1542 int seg_32bit, contents, read_exec_only, limit_in_pages;
1543 int seg_not_present, useable;
1544 uint32_t *lp, entry_1, entry_2;
1546 if (bytecount != sizeof(ldt_info))
1548 lock_user_struct(target_ldt_info, ptr, 1);
1549 ldt_info.entry_number = tswap32(target_ldt_info->entry_number);
1550 ldt_info.base_addr = tswapl(target_ldt_info->base_addr);
1551 ldt_info.limit = tswap32(target_ldt_info->limit);
1552 ldt_info.flags = tswap32(target_ldt_info->flags);
1553 unlock_user_struct(target_ldt_info, ptr, 0);
1555 if (ldt_info.entry_number >= TARGET_LDT_ENTRIES)
1557 seg_32bit = ldt_info.flags & 1;
1558 contents = (ldt_info.flags >> 1) & 3;
1559 read_exec_only = (ldt_info.flags >> 3) & 1;
1560 limit_in_pages = (ldt_info.flags >> 4) & 1;
1561 seg_not_present = (ldt_info.flags >> 5) & 1;
1562 useable = (ldt_info.flags >> 6) & 1;
1564 if (contents == 3) {
1567 if (seg_not_present == 0)
1570 /* allocate the LDT */
1572 ldt_table = malloc(TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE);
1575 memset(ldt_table, 0, TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE);
1576 env->ldt.base = h2g(ldt_table);
1577 env->ldt.limit = 0xffff;
1580 /* NOTE: same code as Linux kernel */
1581 /* Allow LDTs to be cleared by the user. */
1582 if (ldt_info.base_addr == 0 && ldt_info.limit == 0) {
1585 read_exec_only == 1 &&
1587 limit_in_pages == 0 &&
1588 seg_not_present == 1 &&
1596 entry_1 = ((ldt_info.base_addr & 0x0000ffff) << 16) |
1597 (ldt_info.limit & 0x0ffff);
1598 entry_2 = (ldt_info.base_addr & 0xff000000) |
1599 ((ldt_info.base_addr & 0x00ff0000) >> 16) |
1600 (ldt_info.limit & 0xf0000) |
1601 ((read_exec_only ^ 1) << 9) |
1603 ((seg_not_present ^ 1) << 15) |
1605 (limit_in_pages << 23) |
1608 entry_2 |= (useable << 20);
1610 /* Install the new entry ... */
1612 lp = (uint32_t *)(ldt_table + (ldt_info.entry_number << 3));
1613 lp[0] = tswap32(entry_1);
1614 lp[1] = tswap32(entry_2);
1618 /* specific and weird i386 syscalls */
1619 int do_modify_ldt(CPUX86State *env, int func, target_ulong ptr, unsigned long bytecount)
1625 ret = read_ldt(ptr, bytecount);
1628 ret = write_ldt(env, ptr, bytecount, 1);
1631 ret = write_ldt(env, ptr, bytecount, 0);
1637 #endif /* defined(TARGET_I386) */
1639 /* this stack is the equivalent of the kernel stack associated with a
1641 #define NEW_STACK_SIZE 8192
1643 static int clone_func(void *arg)
1645 CPUState *env = arg;
1651 int do_fork(CPUState *env, unsigned int flags, unsigned long newsp)
1658 if (flags & CLONE_VM) {
1659 ts = malloc(sizeof(TaskState) + NEW_STACK_SIZE);
1660 memset(ts, 0, sizeof(TaskState));
1661 new_stack = ts->stack;
1663 /* add in task state list */
1664 ts->next = first_task_state;
1665 first_task_state = ts;
1666 /* we create a new CPU instance. */
1667 new_env = cpu_init();
1668 memcpy(new_env, env, sizeof(CPUState));
1669 #if defined(TARGET_I386)
1671 newsp = env->regs[R_ESP];
1672 new_env->regs[R_ESP] = newsp;
1673 new_env->regs[R_EAX] = 0;
1674 #elif defined(TARGET_ARM)
1676 newsp = env->regs[13];
1677 new_env->regs[13] = newsp;
1678 new_env->regs[0] = 0;
1679 #elif defined(TARGET_SPARC)
1681 newsp = env->regwptr[22];
1682 new_env->regwptr[22] = newsp;
1683 new_env->regwptr[0] = 0;
1685 printf ("HELPME: %s:%d\n", __FILE__, __LINE__);
1686 #elif defined(TARGET_M68K)
1688 newsp = env->aregs[7];
1689 new_env->aregs[7] = newsp;
1690 new_env->dregs[0] = 0;
1691 /* ??? is this sufficient? */
1692 #elif defined(TARGET_MIPS)
1693 printf ("HELPME: %s:%d\n", __FILE__, __LINE__);
1694 #elif defined(TARGET_PPC)
1696 newsp = env->gpr[1];
1697 new_env->gpr[1] = newsp;
1700 for (i = 7; i < 32; i++)
1701 new_env->gpr[i] = 0;
1703 #elif defined(TARGET_SH4)
1705 newsp = env->gregs[15];
1706 new_env->gregs[15] = newsp;
1709 #error unsupported target CPU
1711 new_env->opaque = ts;
1713 ret = __clone2(clone_func, new_stack + NEW_STACK_SIZE, flags, new_env);
1715 ret = clone(clone_func, new_stack + NEW_STACK_SIZE, flags, new_env);
1718 /* if no CLONE_VM, we consider it is a fork */
1719 if ((flags & ~CSIGNAL) != 0)
1726 static long do_fcntl(int fd, int cmd, target_ulong arg)
1729 struct target_flock *target_fl;
1733 case TARGET_F_GETLK:
1734 ret = fcntl(fd, cmd, &fl);
1736 lock_user_struct(target_fl, arg, 0);
1737 target_fl->l_type = tswap16(fl.l_type);
1738 target_fl->l_whence = tswap16(fl.l_whence);
1739 target_fl->l_start = tswapl(fl.l_start);
1740 target_fl->l_len = tswapl(fl.l_len);
1741 target_fl->l_pid = tswapl(fl.l_pid);
1742 unlock_user_struct(target_fl, arg, 1);
1746 case TARGET_F_SETLK:
1747 case TARGET_F_SETLKW:
1748 lock_user_struct(target_fl, arg, 1);
1749 fl.l_type = tswap16(target_fl->l_type);
1750 fl.l_whence = tswap16(target_fl->l_whence);
1751 fl.l_start = tswapl(target_fl->l_start);
1752 fl.l_len = tswapl(target_fl->l_len);
1753 fl.l_pid = tswapl(target_fl->l_pid);
1754 unlock_user_struct(target_fl, arg, 0);
1755 ret = fcntl(fd, cmd, &fl);
1758 case TARGET_F_GETLK64:
1759 case TARGET_F_SETLK64:
1760 case TARGET_F_SETLKW64:
1766 ret = fcntl(fd, cmd, arg);
1767 ret = host_to_target_bitmask(ret, fcntl_flags_tbl);
1771 ret = fcntl(fd, cmd, target_to_host_bitmask(arg, fcntl_flags_tbl));
1775 ret = fcntl(fd, cmd, arg);
1783 static inline int high2lowuid(int uid)
1791 static inline int high2lowgid(int gid)
1799 static inline int low2highuid(int uid)
1801 if ((int16_t)uid == -1)
1807 static inline int low2highgid(int gid)
1809 if ((int16_t)gid == -1)
1815 #endif /* USE_UID16 */
1817 void syscall_init(void)
1820 const argtype *arg_type;
1823 #define STRUCT(name, list...) thunk_register_struct(STRUCT_ ## name, #name, struct_ ## name ## _def);
1824 #define STRUCT_SPECIAL(name) thunk_register_struct_direct(STRUCT_ ## name, #name, &struct_ ## name ## _def);
1825 #include "syscall_types.h"
1827 #undef STRUCT_SPECIAL
1829 /* we patch the ioctl size if necessary. We rely on the fact that
1830 no ioctl has all the bits at '1' in the size field */
1832 while (ie->target_cmd != 0) {
1833 if (((ie->target_cmd >> TARGET_IOC_SIZESHIFT) & TARGET_IOC_SIZEMASK) ==
1834 TARGET_IOC_SIZEMASK) {
1835 arg_type = ie->arg_type;
1836 if (arg_type[0] != TYPE_PTR) {
1837 fprintf(stderr, "cannot patch size for ioctl 0x%x\n",
1842 size = thunk_type_size(arg_type, 0);
1843 ie->target_cmd = (ie->target_cmd &
1844 ~(TARGET_IOC_SIZEMASK << TARGET_IOC_SIZESHIFT)) |
1845 (size << TARGET_IOC_SIZESHIFT);
1847 /* automatic consistency check if same arch */
1848 #if defined(__i386__) && defined(TARGET_I386)
1849 if (ie->target_cmd != ie->host_cmd) {
1850 fprintf(stderr, "ERROR: ioctl: target=0x%x host=0x%x\n",
1851 ie->target_cmd, ie->host_cmd);
1858 static inline uint64_t target_offset64(uint32_t word0, uint32_t word1)
1860 #ifdef TARGET_WORDS_BIG_ENDIAN
1861 return ((uint64_t)word0 << 32) | word1;
1863 return ((uint64_t)word1 << 32) | word0;
1867 #ifdef TARGET_NR_truncate64
1868 static inline long target_truncate64(void *cpu_env, const char *arg1,
1869 long arg2, long arg3, long arg4)
1872 if (((CPUARMState *)cpu_env)->eabi)
1878 return get_errno(truncate64(arg1, target_offset64(arg2, arg3)));
1882 #ifdef TARGET_NR_ftruncate64
1883 static inline long target_ftruncate64(void *cpu_env, long arg1, long arg2,
1884 long arg3, long arg4)
1887 if (((CPUARMState *)cpu_env)->eabi)
1893 return get_errno(ftruncate64(arg1, target_offset64(arg2, arg3)));
1897 static inline void target_to_host_timespec(struct timespec *host_ts,
1898 target_ulong target_addr)
1900 struct target_timespec *target_ts;
1902 lock_user_struct(target_ts, target_addr, 1);
1903 host_ts->tv_sec = tswapl(target_ts->tv_sec);
1904 host_ts->tv_nsec = tswapl(target_ts->tv_nsec);
1905 unlock_user_struct(target_ts, target_addr, 0);
1908 static inline void host_to_target_timespec(target_ulong target_addr,
1909 struct timespec *host_ts)
1911 struct target_timespec *target_ts;
1913 lock_user_struct(target_ts, target_addr, 0);
1914 target_ts->tv_sec = tswapl(host_ts->tv_sec);
1915 target_ts->tv_nsec = tswapl(host_ts->tv_nsec);
1916 unlock_user_struct(target_ts, target_addr, 1);
1919 long do_syscall(void *cpu_env, int num, long arg1, long arg2, long arg3,
1920 long arg4, long arg5, long arg6)
1928 gemu_log("syscall %d", num);
1931 case TARGET_NR_exit:
1935 gdb_exit(cpu_env, arg1);
1936 /* XXX: should free thread stack and CPU env */
1938 ret = 0; /* avoid warning */
1940 case TARGET_NR_read:
1941 page_unprotect_range(arg2, arg3);
1942 p = lock_user(arg2, arg3, 0);
1943 ret = get_errno(read(arg1, p, arg3));
1944 unlock_user(p, arg2, ret);
1946 case TARGET_NR_write:
1947 p = lock_user(arg2, arg3, 1);
1948 ret = get_errno(write(arg1, p, arg3));
1949 unlock_user(p, arg2, 0);
1951 case TARGET_NR_open:
1952 p = lock_user_string(arg1);
1953 ret = get_errno(open(path(p),
1954 target_to_host_bitmask(arg2, fcntl_flags_tbl),
1956 unlock_user(p, arg1, 0);
1958 case TARGET_NR_close:
1959 ret = get_errno(close(arg1));
1964 case TARGET_NR_fork:
1965 ret = get_errno(do_fork(cpu_env, SIGCHLD, 0));
1967 case TARGET_NR_waitpid:
1970 ret = get_errno(waitpid(arg1, &status, arg3));
1971 if (!is_error(ret) && arg2)
1972 tput32(arg2, status);
1975 case TARGET_NR_creat:
1976 p = lock_user_string(arg1);
1977 ret = get_errno(creat(p, arg2));
1978 unlock_user(p, arg1, 0);
1980 case TARGET_NR_link:
1983 p = lock_user_string(arg1);
1984 p2 = lock_user_string(arg2);
1985 ret = get_errno(link(p, p2));
1986 unlock_user(p2, arg2, 0);
1987 unlock_user(p, arg1, 0);
1990 case TARGET_NR_unlink:
1991 p = lock_user_string(arg1);
1992 ret = get_errno(unlink(p));
1993 unlock_user(p, arg1, 0);
1995 case TARGET_NR_execve:
1997 char **argp, **envp;
2000 target_ulong guest_argp;
2001 target_ulong guest_envp;
2007 for (gp = guest_argp; tgetl(gp); gp++)
2011 for (gp = guest_envp; tgetl(gp); gp++)
2014 argp = alloca((argc + 1) * sizeof(void *));
2015 envp = alloca((envc + 1) * sizeof(void *));
2017 for (gp = guest_argp, q = argp; ;
2018 gp += sizeof(target_ulong), q++) {
2022 *q = lock_user_string(addr);
2026 for (gp = guest_envp, q = envp; ;
2027 gp += sizeof(target_ulong), q++) {
2031 *q = lock_user_string(addr);
2035 p = lock_user_string(arg1);
2036 ret = get_errno(execve(p, argp, envp));
2037 unlock_user(p, arg1, 0);
2039 for (gp = guest_argp, q = argp; *q;
2040 gp += sizeof(target_ulong), q++) {
2042 unlock_user(*q, addr, 0);
2044 for (gp = guest_envp, q = envp; *q;
2045 gp += sizeof(target_ulong), q++) {
2047 unlock_user(*q, addr, 0);
2051 case TARGET_NR_chdir:
2052 p = lock_user_string(arg1);
2053 ret = get_errno(chdir(p));
2054 unlock_user(p, arg1, 0);
2056 #ifdef TARGET_NR_time
2057 case TARGET_NR_time:
2060 ret = get_errno(time(&host_time));
2061 if (!is_error(ret) && arg1)
2062 tputl(arg1, host_time);
2066 case TARGET_NR_mknod:
2067 p = lock_user_string(arg1);
2068 ret = get_errno(mknod(p, arg2, arg3));
2069 unlock_user(p, arg1, 0);
2071 case TARGET_NR_chmod:
2072 p = lock_user_string(arg1);
2073 ret = get_errno(chmod(p, arg2));
2074 unlock_user(p, arg1, 0);
2076 #ifdef TARGET_NR_break
2077 case TARGET_NR_break:
2080 #ifdef TARGET_NR_oldstat
2081 case TARGET_NR_oldstat:
2084 case TARGET_NR_lseek:
2085 ret = get_errno(lseek(arg1, arg2, arg3));
2087 case TARGET_NR_getpid:
2088 ret = get_errno(getpid());
2090 case TARGET_NR_mount:
2091 /* need to look at the data field */
2093 case TARGET_NR_umount:
2094 p = lock_user_string(arg1);
2095 ret = get_errno(umount(p));
2096 unlock_user(p, arg1, 0);
2098 case TARGET_NR_stime:
2101 host_time = tgetl(arg1);
2102 ret = get_errno(stime(&host_time));
2105 case TARGET_NR_ptrace:
2107 case TARGET_NR_alarm:
2110 #ifdef TARGET_NR_oldfstat
2111 case TARGET_NR_oldfstat:
2114 case TARGET_NR_pause:
2115 ret = get_errno(pause());
2117 case TARGET_NR_utime:
2119 struct utimbuf tbuf, *host_tbuf;
2120 struct target_utimbuf *target_tbuf;
2122 lock_user_struct(target_tbuf, arg2, 1);
2123 tbuf.actime = tswapl(target_tbuf->actime);
2124 tbuf.modtime = tswapl(target_tbuf->modtime);
2125 unlock_user_struct(target_tbuf, arg2, 0);
2130 p = lock_user_string(arg1);
2131 ret = get_errno(utime(p, host_tbuf));
2132 unlock_user(p, arg1, 0);
2135 case TARGET_NR_utimes:
2137 struct timeval *tvp, tv[2];
2139 target_to_host_timeval(&tv[0], arg2);
2140 target_to_host_timeval(&tv[1],
2141 arg2 + sizeof (struct target_timeval));
2146 p = lock_user_string(arg1);
2147 ret = get_errno(utimes(p, tvp));
2148 unlock_user(p, arg1, 0);
2151 #ifdef TARGET_NR_stty
2152 case TARGET_NR_stty:
2155 #ifdef TARGET_NR_gtty
2156 case TARGET_NR_gtty:
2159 case TARGET_NR_access:
2160 p = lock_user_string(arg1);
2161 ret = get_errno(access(p, arg2));
2162 unlock_user(p, arg1, 0);
2164 case TARGET_NR_nice:
2165 ret = get_errno(nice(arg1));
2167 #ifdef TARGET_NR_ftime
2168 case TARGET_NR_ftime:
2171 case TARGET_NR_sync:
2175 case TARGET_NR_kill:
2176 ret = get_errno(kill(arg1, arg2));
2178 case TARGET_NR_rename:
2181 p = lock_user_string(arg1);
2182 p2 = lock_user_string(arg2);
2183 ret = get_errno(rename(p, p2));
2184 unlock_user(p2, arg2, 0);
2185 unlock_user(p, arg1, 0);
2188 case TARGET_NR_mkdir:
2189 p = lock_user_string(arg1);
2190 ret = get_errno(mkdir(p, arg2));
2191 unlock_user(p, arg1, 0);
2193 case TARGET_NR_rmdir:
2194 p = lock_user_string(arg1);
2195 ret = get_errno(rmdir(p));
2196 unlock_user(p, arg1, 0);
2199 ret = get_errno(dup(arg1));
2201 case TARGET_NR_pipe:
2204 ret = get_errno(pipe(host_pipe));
2205 if (!is_error(ret)) {
2206 tput32(arg1, host_pipe[0]);
2207 tput32(arg1 + 4, host_pipe[1]);
2211 case TARGET_NR_times:
2213 struct target_tms *tmsp;
2215 ret = get_errno(times(&tms));
2217 tmsp = lock_user(arg1, sizeof(struct target_tms), 0);
2218 tmsp->tms_utime = tswapl(host_to_target_clock_t(tms.tms_utime));
2219 tmsp->tms_stime = tswapl(host_to_target_clock_t(tms.tms_stime));
2220 tmsp->tms_cutime = tswapl(host_to_target_clock_t(tms.tms_cutime));
2221 tmsp->tms_cstime = tswapl(host_to_target_clock_t(tms.tms_cstime));
2224 ret = host_to_target_clock_t(ret);
2227 #ifdef TARGET_NR_prof
2228 case TARGET_NR_prof:
2231 case TARGET_NR_signal:
2234 case TARGET_NR_acct:
2235 p = lock_user_string(arg1);
2236 ret = get_errno(acct(path(p)));
2237 unlock_user(p, arg1, 0);
2239 case TARGET_NR_umount2:
2240 p = lock_user_string(arg1);
2241 ret = get_errno(umount2(p, arg2));
2242 unlock_user(p, arg1, 0);
2244 #ifdef TARGET_NR_lock
2245 case TARGET_NR_lock:
2248 case TARGET_NR_ioctl:
2249 ret = do_ioctl(arg1, arg2, arg3);
2251 case TARGET_NR_fcntl:
2252 ret = get_errno(do_fcntl(arg1, arg2, arg3));
2254 #ifdef TARGET_NR_mpx
2258 case TARGET_NR_setpgid:
2259 ret = get_errno(setpgid(arg1, arg2));
2261 #ifdef TARGET_NR_ulimit
2262 case TARGET_NR_ulimit:
2265 #ifdef TARGET_NR_oldolduname
2266 case TARGET_NR_oldolduname:
2269 case TARGET_NR_umask:
2270 ret = get_errno(umask(arg1));
2272 case TARGET_NR_chroot:
2273 p = lock_user_string(arg1);
2274 ret = get_errno(chroot(p));
2275 unlock_user(p, arg1, 0);
2277 case TARGET_NR_ustat:
2279 case TARGET_NR_dup2:
2280 ret = get_errno(dup2(arg1, arg2));
2282 case TARGET_NR_getppid:
2283 ret = get_errno(getppid());
2285 case TARGET_NR_getpgrp:
2286 ret = get_errno(getpgrp());
2288 case TARGET_NR_setsid:
2289 ret = get_errno(setsid());
2291 case TARGET_NR_sigaction:
2293 #if !defined(TARGET_MIPS)
2294 struct target_old_sigaction *old_act;
2295 struct target_sigaction act, oact, *pact;
2297 lock_user_struct(old_act, arg2, 1);
2298 act._sa_handler = old_act->_sa_handler;
2299 target_siginitset(&act.sa_mask, old_act->sa_mask);
2300 act.sa_flags = old_act->sa_flags;
2301 act.sa_restorer = old_act->sa_restorer;
2302 unlock_user_struct(old_act, arg2, 0);
2307 ret = get_errno(do_sigaction(arg1, pact, &oact));
2308 if (!is_error(ret) && arg3) {
2309 lock_user_struct(old_act, arg3, 0);
2310 old_act->_sa_handler = oact._sa_handler;
2311 old_act->sa_mask = oact.sa_mask.sig[0];
2312 old_act->sa_flags = oact.sa_flags;
2313 old_act->sa_restorer = oact.sa_restorer;
2314 unlock_user_struct(old_act, arg3, 1);
2317 struct target_sigaction act, oact, *pact, *old_act;
2320 lock_user_struct(old_act, arg2, 1);
2321 act._sa_handler = old_act->_sa_handler;
2322 target_siginitset(&act.sa_mask, old_act->sa_mask.sig[0]);
2323 act.sa_flags = old_act->sa_flags;
2324 unlock_user_struct(old_act, arg2, 0);
2330 ret = get_errno(do_sigaction(arg1, pact, &oact));
2332 if (!is_error(ret) && arg3) {
2333 lock_user_struct(old_act, arg3, 0);
2334 old_act->_sa_handler = oact._sa_handler;
2335 old_act->sa_flags = oact.sa_flags;
2336 old_act->sa_mask.sig[0] = oact.sa_mask.sig[0];
2337 old_act->sa_mask.sig[1] = 0;
2338 old_act->sa_mask.sig[2] = 0;
2339 old_act->sa_mask.sig[3] = 0;
2340 unlock_user_struct(old_act, arg3, 1);
2345 case TARGET_NR_rt_sigaction:
2347 struct target_sigaction *act;
2348 struct target_sigaction *oact;
2351 lock_user_struct(act, arg2, 1);
2355 lock_user_struct(oact, arg3, 0);
2358 ret = get_errno(do_sigaction(arg1, act, oact));
2360 unlock_user_struct(act, arg2, 0);
2362 unlock_user_struct(oact, arg3, 1);
2365 case TARGET_NR_sgetmask:
2368 target_ulong target_set;
2369 sigprocmask(0, NULL, &cur_set);
2370 host_to_target_old_sigset(&target_set, &cur_set);
2374 case TARGET_NR_ssetmask:
2376 sigset_t set, oset, cur_set;
2377 target_ulong target_set = arg1;
2378 sigprocmask(0, NULL, &cur_set);
2379 target_to_host_old_sigset(&set, &target_set);
2380 sigorset(&set, &set, &cur_set);
2381 sigprocmask(SIG_SETMASK, &set, &oset);
2382 host_to_target_old_sigset(&target_set, &oset);
2386 case TARGET_NR_sigprocmask:
2389 sigset_t set, oldset, *set_ptr;
2393 case TARGET_SIG_BLOCK:
2396 case TARGET_SIG_UNBLOCK:
2399 case TARGET_SIG_SETMASK:
2406 p = lock_user(arg2, sizeof(target_sigset_t), 1);
2407 target_to_host_old_sigset(&set, p);
2408 unlock_user(p, arg2, 0);
2414 ret = get_errno(sigprocmask(arg1, set_ptr, &oldset));
2415 if (!is_error(ret) && arg3) {
2416 p = lock_user(arg3, sizeof(target_sigset_t), 0);
2417 host_to_target_old_sigset(p, &oldset);
2418 unlock_user(p, arg3, sizeof(target_sigset_t));
2422 case TARGET_NR_rt_sigprocmask:
2425 sigset_t set, oldset, *set_ptr;
2429 case TARGET_SIG_BLOCK:
2432 case TARGET_SIG_UNBLOCK:
2435 case TARGET_SIG_SETMASK:
2442 p = lock_user(arg2, sizeof(target_sigset_t), 1);
2443 target_to_host_sigset(&set, p);
2444 unlock_user(p, arg2, 0);
2450 ret = get_errno(sigprocmask(how, set_ptr, &oldset));
2451 if (!is_error(ret) && arg3) {
2452 p = lock_user(arg3, sizeof(target_sigset_t), 0);
2453 host_to_target_sigset(p, &oldset);
2454 unlock_user(p, arg3, sizeof(target_sigset_t));
2458 case TARGET_NR_sigpending:
2461 ret = get_errno(sigpending(&set));
2462 if (!is_error(ret)) {
2463 p = lock_user(arg1, sizeof(target_sigset_t), 0);
2464 host_to_target_old_sigset(p, &set);
2465 unlock_user(p, arg1, sizeof(target_sigset_t));
2469 case TARGET_NR_rt_sigpending:
2472 ret = get_errno(sigpending(&set));
2473 if (!is_error(ret)) {
2474 p = lock_user(arg1, sizeof(target_sigset_t), 0);
2475 host_to_target_sigset(p, &set);
2476 unlock_user(p, arg1, sizeof(target_sigset_t));
2480 case TARGET_NR_sigsuspend:
2483 p = lock_user(arg1, sizeof(target_sigset_t), 1);
2484 target_to_host_old_sigset(&set, p);
2485 unlock_user(p, arg1, 0);
2486 ret = get_errno(sigsuspend(&set));
2489 case TARGET_NR_rt_sigsuspend:
2492 p = lock_user(arg1, sizeof(target_sigset_t), 1);
2493 target_to_host_sigset(&set, p);
2494 unlock_user(p, arg1, 0);
2495 ret = get_errno(sigsuspend(&set));
2498 case TARGET_NR_rt_sigtimedwait:
2501 struct timespec uts, *puts;
2504 p = lock_user(arg1, sizeof(target_sigset_t), 1);
2505 target_to_host_sigset(&set, p);
2506 unlock_user(p, arg1, 0);
2509 target_to_host_timespec(puts, arg3);
2513 ret = get_errno(sigtimedwait(&set, &uinfo, puts));
2514 if (!is_error(ret) && arg2) {
2515 p = lock_user(arg2, sizeof(target_sigset_t), 0);
2516 host_to_target_siginfo(p, &uinfo);
2517 unlock_user(p, arg2, sizeof(target_sigset_t));
2521 case TARGET_NR_rt_sigqueueinfo:
2524 p = lock_user(arg3, sizeof(target_sigset_t), 1);
2525 target_to_host_siginfo(&uinfo, p);
2526 unlock_user(p, arg1, 0);
2527 ret = get_errno(sys_rt_sigqueueinfo(arg1, arg2, &uinfo));
2530 case TARGET_NR_sigreturn:
2531 /* NOTE: ret is eax, so not transcoding must be done */
2532 ret = do_sigreturn(cpu_env);
2534 case TARGET_NR_rt_sigreturn:
2535 /* NOTE: ret is eax, so not transcoding must be done */
2536 ret = do_rt_sigreturn(cpu_env);
2538 case TARGET_NR_sethostname:
2539 p = lock_user_string(arg1);
2540 ret = get_errno(sethostname(p, arg2));
2541 unlock_user(p, arg1, 0);
2543 case TARGET_NR_setrlimit:
2545 /* XXX: convert resource ? */
2546 int resource = arg1;
2547 struct target_rlimit *target_rlim;
2549 lock_user_struct(target_rlim, arg2, 1);
2550 rlim.rlim_cur = tswapl(target_rlim->rlim_cur);
2551 rlim.rlim_max = tswapl(target_rlim->rlim_max);
2552 unlock_user_struct(target_rlim, arg2, 0);
2553 ret = get_errno(setrlimit(resource, &rlim));
2556 case TARGET_NR_getrlimit:
2558 /* XXX: convert resource ? */
2559 int resource = arg1;
2560 struct target_rlimit *target_rlim;
2563 ret = get_errno(getrlimit(resource, &rlim));
2564 if (!is_error(ret)) {
2565 lock_user_struct(target_rlim, arg2, 0);
2566 rlim.rlim_cur = tswapl(target_rlim->rlim_cur);
2567 rlim.rlim_max = tswapl(target_rlim->rlim_max);
2568 unlock_user_struct(target_rlim, arg2, 1);
2572 case TARGET_NR_getrusage:
2574 struct rusage rusage;
2575 ret = get_errno(getrusage(arg1, &rusage));
2576 if (!is_error(ret)) {
2577 host_to_target_rusage(arg2, &rusage);
2581 case TARGET_NR_gettimeofday:
2584 ret = get_errno(gettimeofday(&tv, NULL));
2585 if (!is_error(ret)) {
2586 host_to_target_timeval(arg1, &tv);
2590 case TARGET_NR_settimeofday:
2593 target_to_host_timeval(&tv, arg1);
2594 ret = get_errno(settimeofday(&tv, NULL));
2597 #ifdef TARGET_NR_select
2598 case TARGET_NR_select:
2600 struct target_sel_arg_struct *sel;
2601 target_ulong inp, outp, exp, tvp;
2604 lock_user_struct(sel, arg1, 1);
2605 nsel = tswapl(sel->n);
2606 inp = tswapl(sel->inp);
2607 outp = tswapl(sel->outp);
2608 exp = tswapl(sel->exp);
2609 tvp = tswapl(sel->tvp);
2610 unlock_user_struct(sel, arg1, 0);
2611 ret = do_select(nsel, inp, outp, exp, tvp);
2615 case TARGET_NR_symlink:
2618 p = lock_user_string(arg1);
2619 p2 = lock_user_string(arg2);
2620 ret = get_errno(symlink(p, p2));
2621 unlock_user(p2, arg2, 0);
2622 unlock_user(p, arg1, 0);
2625 #ifdef TARGET_NR_oldlstat
2626 case TARGET_NR_oldlstat:
2629 case TARGET_NR_readlink:
2632 p = lock_user_string(arg1);
2633 p2 = lock_user(arg2, arg3, 0);
2634 ret = get_errno(readlink(path(p), p2, arg3));
2635 unlock_user(p2, arg2, ret);
2636 unlock_user(p, arg1, 0);
2639 case TARGET_NR_uselib:
2641 case TARGET_NR_swapon:
2642 p = lock_user_string(arg1);
2643 ret = get_errno(swapon(p, arg2));
2644 unlock_user(p, arg1, 0);
2646 case TARGET_NR_reboot:
2648 case TARGET_NR_readdir:
2650 case TARGET_NR_mmap:
2651 #if defined(TARGET_I386) || defined(TARGET_ARM) || defined(TARGET_M68K)
2654 target_ulong v1, v2, v3, v4, v5, v6;
2655 v = lock_user(arg1, 6 * sizeof(target_ulong), 1);
2662 unlock_user(v, arg1, 0);
2663 ret = get_errno(target_mmap(v1, v2, v3,
2664 target_to_host_bitmask(v4, mmap_flags_tbl),
2668 ret = get_errno(target_mmap(arg1, arg2, arg3,
2669 target_to_host_bitmask(arg4, mmap_flags_tbl),
2674 #ifdef TARGET_NR_mmap2
2675 case TARGET_NR_mmap2:
2676 #if defined(TARGET_SPARC)
2677 #define MMAP_SHIFT 12
2679 #define MMAP_SHIFT TARGET_PAGE_BITS
2681 ret = get_errno(target_mmap(arg1, arg2, arg3,
2682 target_to_host_bitmask(arg4, mmap_flags_tbl),
2684 arg6 << MMAP_SHIFT));
2687 case TARGET_NR_munmap:
2688 ret = get_errno(target_munmap(arg1, arg2));
2690 case TARGET_NR_mprotect:
2691 ret = get_errno(target_mprotect(arg1, arg2, arg3));
2693 case TARGET_NR_mremap:
2694 ret = get_errno(target_mremap(arg1, arg2, arg3, arg4, arg5));
2696 /* ??? msync/mlock/munlock are broken for softmmu. */
2697 case TARGET_NR_msync:
2698 ret = get_errno(msync(g2h(arg1), arg2, arg3));
2700 case TARGET_NR_mlock:
2701 ret = get_errno(mlock(g2h(arg1), arg2));
2703 case TARGET_NR_munlock:
2704 ret = get_errno(munlock(g2h(arg1), arg2));
2706 case TARGET_NR_mlockall:
2707 ret = get_errno(mlockall(arg1));
2709 case TARGET_NR_munlockall:
2710 ret = get_errno(munlockall());
2712 case TARGET_NR_truncate:
2713 p = lock_user_string(arg1);
2714 ret = get_errno(truncate(p, arg2));
2715 unlock_user(p, arg1, 0);
2717 case TARGET_NR_ftruncate:
2718 ret = get_errno(ftruncate(arg1, arg2));
2720 case TARGET_NR_fchmod:
2721 ret = get_errno(fchmod(arg1, arg2));
2723 case TARGET_NR_getpriority:
2724 ret = get_errno(getpriority(arg1, arg2));
2726 case TARGET_NR_setpriority:
2727 ret = get_errno(setpriority(arg1, arg2, arg3));
2729 #ifdef TARGET_NR_profil
2730 case TARGET_NR_profil:
2733 case TARGET_NR_statfs:
2734 p = lock_user_string(arg1);
2735 ret = get_errno(statfs(path(p), &stfs));
2736 unlock_user(p, arg1, 0);
2738 if (!is_error(ret)) {
2739 struct target_statfs *target_stfs;
2741 lock_user_struct(target_stfs, arg2, 0);
2742 /* ??? put_user is probably wrong. */
2743 put_user(stfs.f_type, &target_stfs->f_type);
2744 put_user(stfs.f_bsize, &target_stfs->f_bsize);
2745 put_user(stfs.f_blocks, &target_stfs->f_blocks);
2746 put_user(stfs.f_bfree, &target_stfs->f_bfree);
2747 put_user(stfs.f_bavail, &target_stfs->f_bavail);
2748 put_user(stfs.f_files, &target_stfs->f_files);
2749 put_user(stfs.f_ffree, &target_stfs->f_ffree);
2750 put_user(stfs.f_fsid.__val[0], &target_stfs->f_fsid);
2751 put_user(stfs.f_namelen, &target_stfs->f_namelen);
2752 unlock_user_struct(target_stfs, arg2, 1);
2755 case TARGET_NR_fstatfs:
2756 ret = get_errno(fstatfs(arg1, &stfs));
2757 goto convert_statfs;
2758 #ifdef TARGET_NR_statfs64
2759 case TARGET_NR_statfs64:
2760 p = lock_user_string(arg1);
2761 ret = get_errno(statfs(path(p), &stfs));
2762 unlock_user(p, arg1, 0);
2764 if (!is_error(ret)) {
2765 struct target_statfs64 *target_stfs;
2767 lock_user_struct(target_stfs, arg3, 0);
2768 /* ??? put_user is probably wrong. */
2769 put_user(stfs.f_type, &target_stfs->f_type);
2770 put_user(stfs.f_bsize, &target_stfs->f_bsize);
2771 put_user(stfs.f_blocks, &target_stfs->f_blocks);
2772 put_user(stfs.f_bfree, &target_stfs->f_bfree);
2773 put_user(stfs.f_bavail, &target_stfs->f_bavail);
2774 put_user(stfs.f_files, &target_stfs->f_files);
2775 put_user(stfs.f_ffree, &target_stfs->f_ffree);
2776 put_user(stfs.f_fsid.__val[0], &target_stfs->f_fsid);
2777 put_user(stfs.f_namelen, &target_stfs->f_namelen);
2778 unlock_user_struct(target_stfs, arg3, 0);
2781 case TARGET_NR_fstatfs64:
2782 ret = get_errno(fstatfs(arg1, &stfs));
2783 goto convert_statfs64;
2785 #ifdef TARGET_NR_ioperm
2786 case TARGET_NR_ioperm:
2789 case TARGET_NR_socketcall:
2790 ret = do_socketcall(arg1, arg2);
2793 #ifdef TARGET_NR_accept
2794 case TARGET_NR_accept:
2795 ret = do_accept(arg1, arg2, arg3);
2798 #ifdef TARGET_NR_bind
2799 case TARGET_NR_bind:
2800 ret = do_bind(arg1, arg2, arg3);
2803 #ifdef TARGET_NR_connect
2804 case TARGET_NR_connect:
2805 ret = do_connect(arg1, arg2, arg3);
2808 #ifdef TARGET_NR_getpeername
2809 case TARGET_NR_getpeername:
2810 ret = do_getpeername(arg1, arg2, arg3);
2813 #ifdef TARGET_NR_getsockname
2814 case TARGET_NR_getsockname:
2815 ret = do_getsockname(arg1, arg2, arg3);
2818 #ifdef TARGET_NR_getsockopt
2819 case TARGET_NR_getsockopt:
2820 ret = do_getsockopt(arg1, arg2, arg3, arg4, arg5);
2823 #ifdef TARGET_NR_listen
2824 case TARGET_NR_listen:
2825 ret = get_errno(listen(arg1, arg2));
2828 #ifdef TARGET_NR_recv
2829 case TARGET_NR_recv:
2830 ret = do_recvfrom(arg1, arg1, arg3, arg4, 0, 0);
2833 #ifdef TARGET_NR_recvfrom
2834 case TARGET_NR_recvfrom:
2835 ret = do_recvfrom(arg1, arg1, arg3, arg4, arg5, arg6);
2838 #ifdef TARGET_NR_recvmsg
2839 case TARGET_NR_recvmsg:
2840 ret = do_sendrecvmsg(arg1, arg2, arg3, 0);
2843 #ifdef TARGET_NR_send
2844 case TARGET_NR_send:
2845 ret = do_sendto(arg1, arg2, arg3, arg4, 0, 0);
2848 #ifdef TARGET_NR_sendmsg
2849 case TARGET_NR_sendmsg:
2850 ret = do_sendrecvmsg(arg1, arg2, arg3, 1);
2853 #ifdef TARGET_NR_sendto
2854 case TARGET_NR_sendto:
2855 ret = do_sendto(arg1, arg2, arg3, arg4, arg5, arg6);
2858 #ifdef TARGET_NR_shutdown
2859 case TARGET_NR_shutdown:
2860 ret = get_errno(shutdown(arg1, arg2));
2863 #ifdef TARGET_NR_socket
2864 case TARGET_NR_socket:
2865 ret = do_socket(arg1, arg2, arg3);
2868 #ifdef TARGET_NR_socketpair
2869 case TARGET_NR_socketpair:
2870 ret = do_socketpair(arg1, arg2, arg3, arg4);
2873 #ifdef TARGET_NR_setsockopt
2874 case TARGET_NR_setsockopt:
2875 ret = do_setsockopt(arg1, arg2, arg3, arg4, (socklen_t) arg5);
2879 case TARGET_NR_syslog:
2881 case TARGET_NR_setitimer:
2883 struct itimerval value, ovalue, *pvalue;
2887 target_to_host_timeval(&pvalue->it_interval,
2889 target_to_host_timeval(&pvalue->it_value,
2890 arg2 + sizeof(struct target_timeval));
2894 ret = get_errno(setitimer(arg1, pvalue, &ovalue));
2895 if (!is_error(ret) && arg3) {
2896 host_to_target_timeval(arg3,
2897 &ovalue.it_interval);
2898 host_to_target_timeval(arg3 + sizeof(struct target_timeval),
2903 case TARGET_NR_getitimer:
2905 struct itimerval value;
2907 ret = get_errno(getitimer(arg1, &value));
2908 if (!is_error(ret) && arg2) {
2909 host_to_target_timeval(arg2,
2910 &value.it_interval);
2911 host_to_target_timeval(arg2 + sizeof(struct target_timeval),
2916 case TARGET_NR_stat:
2917 p = lock_user_string(arg1);
2918 ret = get_errno(stat(path(p), &st));
2919 unlock_user(p, arg1, 0);
2921 case TARGET_NR_lstat:
2922 p = lock_user_string(arg1);
2923 ret = get_errno(lstat(path(p), &st));
2924 unlock_user(p, arg1, 0);
2926 case TARGET_NR_fstat:
2928 ret = get_errno(fstat(arg1, &st));
2930 if (!is_error(ret)) {
2931 struct target_stat *target_st;
2933 lock_user_struct(target_st, arg2, 0);
2934 target_st->st_dev = tswap16(st.st_dev);
2935 target_st->st_ino = tswapl(st.st_ino);
2936 #if defined(TARGET_PPC) || defined(TARGET_MIPS)
2937 target_st->st_mode = tswapl(st.st_mode); /* XXX: check this */
2938 target_st->st_uid = tswap32(st.st_uid);
2939 target_st->st_gid = tswap32(st.st_gid);
2941 target_st->st_mode = tswap16(st.st_mode);
2942 target_st->st_uid = tswap16(st.st_uid);
2943 target_st->st_gid = tswap16(st.st_gid);
2945 target_st->st_nlink = tswap16(st.st_nlink);
2946 target_st->st_rdev = tswap16(st.st_rdev);
2947 target_st->st_size = tswapl(st.st_size);
2948 target_st->st_blksize = tswapl(st.st_blksize);
2949 target_st->st_blocks = tswapl(st.st_blocks);
2950 target_st->target_st_atime = tswapl(st.st_atime);
2951 target_st->target_st_mtime = tswapl(st.st_mtime);
2952 target_st->target_st_ctime = tswapl(st.st_ctime);
2953 unlock_user_struct(target_st, arg2, 1);
2957 #ifdef TARGET_NR_olduname
2958 case TARGET_NR_olduname:
2961 #ifdef TARGET_NR_iopl
2962 case TARGET_NR_iopl:
2965 case TARGET_NR_vhangup:
2966 ret = get_errno(vhangup());
2968 #ifdef TARGET_NR_idle
2969 case TARGET_NR_idle:
2972 #ifdef TARGET_NR_syscall
2973 case TARGET_NR_syscall:
2974 ret = do_syscall(cpu_env,arg1 & 0xffff,arg2,arg3,arg4,arg5,arg6,0);
2977 case TARGET_NR_wait4:
2980 target_long status_ptr = arg2;
2981 struct rusage rusage, *rusage_ptr;
2982 target_ulong target_rusage = arg4;
2984 rusage_ptr = &rusage;
2987 ret = get_errno(wait4(arg1, &status, arg3, rusage_ptr));
2988 if (!is_error(ret)) {
2990 tputl(status_ptr, status);
2991 if (target_rusage) {
2992 host_to_target_rusage(target_rusage, &rusage);
2997 case TARGET_NR_swapoff:
2998 p = lock_user_string(arg1);
2999 ret = get_errno(swapoff(p));
3000 unlock_user(p, arg1, 0);
3002 case TARGET_NR_sysinfo:
3004 struct target_sysinfo *target_value;
3005 struct sysinfo value;
3006 ret = get_errno(sysinfo(&value));
3007 if (!is_error(ret) && arg1)
3009 /* ??? __put_user is probably wrong. */
3010 lock_user_struct(target_value, arg1, 0);
3011 __put_user(value.uptime, &target_value->uptime);
3012 __put_user(value.loads[0], &target_value->loads[0]);
3013 __put_user(value.loads[1], &target_value->loads[1]);
3014 __put_user(value.loads[2], &target_value->loads[2]);
3015 __put_user(value.totalram, &target_value->totalram);
3016 __put_user(value.freeram, &target_value->freeram);
3017 __put_user(value.sharedram, &target_value->sharedram);
3018 __put_user(value.bufferram, &target_value->bufferram);
3019 __put_user(value.totalswap, &target_value->totalswap);
3020 __put_user(value.freeswap, &target_value->freeswap);
3021 __put_user(value.procs, &target_value->procs);
3022 __put_user(value.totalhigh, &target_value->totalhigh);
3023 __put_user(value.freehigh, &target_value->freehigh);
3024 __put_user(value.mem_unit, &target_value->mem_unit);
3025 unlock_user_struct(target_value, arg1, 1);
3030 ret = do_ipc(arg1, arg2, arg3, arg4, arg5, arg6);
3032 case TARGET_NR_fsync:
3033 ret = get_errno(fsync(arg1));
3035 case TARGET_NR_clone:
3036 ret = get_errno(do_fork(cpu_env, arg1, arg2));
3038 #ifdef __NR_exit_group
3039 /* new thread calls */
3040 case TARGET_NR_exit_group:
3041 gdb_exit(cpu_env, arg1);
3042 ret = get_errno(exit_group(arg1));
3045 case TARGET_NR_setdomainname:
3046 p = lock_user_string(arg1);
3047 ret = get_errno(setdomainname(p, arg2));
3048 unlock_user(p, arg1, 0);
3050 case TARGET_NR_uname:
3051 /* no need to transcode because we use the linux syscall */
3053 struct new_utsname * buf;
3055 lock_user_struct(buf, arg1, 0);
3056 ret = get_errno(sys_uname(buf));
3057 if (!is_error(ret)) {
3058 /* Overrite the native machine name with whatever is being
3060 strcpy (buf->machine, UNAME_MACHINE);
3061 /* Allow the user to override the reported release. */
3062 if (qemu_uname_release && *qemu_uname_release)
3063 strcpy (buf->release, qemu_uname_release);
3065 unlock_user_struct(buf, arg1, 1);
3069 case TARGET_NR_modify_ldt:
3070 ret = get_errno(do_modify_ldt(cpu_env, arg1, arg2, arg3));
3072 case TARGET_NR_vm86old:
3074 case TARGET_NR_vm86:
3075 ret = do_vm86(cpu_env, arg1, arg2);
3078 case TARGET_NR_adjtimex:
3080 case TARGET_NR_create_module:
3081 case TARGET_NR_init_module:
3082 case TARGET_NR_delete_module:
3083 case TARGET_NR_get_kernel_syms:
3085 case TARGET_NR_quotactl:
3087 case TARGET_NR_getpgid:
3088 ret = get_errno(getpgid(arg1));
3090 case TARGET_NR_fchdir:
3091 ret = get_errno(fchdir(arg1));
3093 case TARGET_NR_bdflush:
3095 case TARGET_NR_sysfs:
3097 case TARGET_NR_personality:
3098 ret = get_errno(personality(arg1));
3100 case TARGET_NR_afs_syscall:
3102 case TARGET_NR__llseek:
3104 #if defined (__x86_64__)
3105 ret = get_errno(lseek(arg1, ((uint64_t )arg2 << 32) | arg3, arg5));
3109 ret = get_errno(_llseek(arg1, arg2, arg3, &res, arg5));
3114 case TARGET_NR_getdents:
3115 #if TARGET_LONG_SIZE != 4
3117 #warning not supported
3118 #elif TARGET_LONG_SIZE == 4 && HOST_LONG_SIZE == 8
3120 struct target_dirent *target_dirp;
3121 struct dirent *dirp;
3124 dirp = malloc(count);
3128 ret = get_errno(sys_getdents(arg1, dirp, count));
3129 if (!is_error(ret)) {
3131 struct target_dirent *tde;
3133 int reclen, treclen;
3134 int count1, tnamelen;
3138 target_dirp = lock_user(arg2, count, 0);
3141 reclen = de->d_reclen;
3142 treclen = reclen - (2 * (sizeof(long) - sizeof(target_long)));
3143 tde->d_reclen = tswap16(treclen);
3144 tde->d_ino = tswapl(de->d_ino);
3145 tde->d_off = tswapl(de->d_off);
3146 tnamelen = treclen - (2 * sizeof(target_long) + 2);
3149 /* XXX: may not be correct */
3150 strncpy(tde->d_name, de->d_name, tnamelen);
3151 de = (struct dirent *)((char *)de + reclen);
3153 tde = (struct dirent *)((char *)tde + treclen);
3158 unlock_user(target_dirp, arg2, ret);
3163 struct dirent *dirp;
3166 dirp = lock_user(arg2, count, 0);
3167 ret = get_errno(sys_getdents(arg1, dirp, count));
3168 if (!is_error(ret)) {
3174 reclen = de->d_reclen;
3177 de->d_reclen = tswap16(reclen);
3178 tswapls(&de->d_ino);
3179 tswapls(&de->d_off);
3180 de = (struct dirent *)((char *)de + reclen);
3184 unlock_user(dirp, arg2, ret);
3188 #ifdef TARGET_NR_getdents64
3189 case TARGET_NR_getdents64:
3191 struct dirent64 *dirp;
3193 dirp = lock_user(arg2, count, 0);
3194 ret = get_errno(sys_getdents64(arg1, dirp, count));
3195 if (!is_error(ret)) {
3196 struct dirent64 *de;
3201 reclen = de->d_reclen;
3204 de->d_reclen = tswap16(reclen);
3205 tswap64s(&de->d_ino);
3206 tswap64s(&de->d_off);
3207 de = (struct dirent64 *)((char *)de + reclen);
3211 unlock_user(dirp, arg2, ret);
3214 #endif /* TARGET_NR_getdents64 */
3215 case TARGET_NR__newselect:
3216 ret = do_select(arg1, arg2, arg3, arg4, arg5);
3218 case TARGET_NR_poll:
3220 struct target_pollfd *target_pfd;
3221 unsigned int nfds = arg2;
3226 target_pfd = lock_user(arg1, sizeof(struct target_pollfd) * nfds, 1);
3227 pfd = alloca(sizeof(struct pollfd) * nfds);
3228 for(i = 0; i < nfds; i++) {
3229 pfd[i].fd = tswap32(target_pfd[i].fd);
3230 pfd[i].events = tswap16(target_pfd[i].events);
3232 ret = get_errno(poll(pfd, nfds, timeout));
3233 if (!is_error(ret)) {
3234 for(i = 0; i < nfds; i++) {
3235 target_pfd[i].revents = tswap16(pfd[i].revents);
3237 ret += nfds * (sizeof(struct target_pollfd)
3238 - sizeof(struct pollfd));
3240 unlock_user(target_pfd, arg1, ret);
3243 case TARGET_NR_flock:
3244 /* NOTE: the flock constant seems to be the same for every
3246 ret = get_errno(flock(arg1, arg2));
3248 case TARGET_NR_readv:
3253 vec = alloca(count * sizeof(struct iovec));
3254 lock_iovec(vec, arg2, count, 0);
3255 ret = get_errno(readv(arg1, vec, count));
3256 unlock_iovec(vec, arg2, count, 1);
3259 case TARGET_NR_writev:
3264 vec = alloca(count * sizeof(struct iovec));
3265 lock_iovec(vec, arg2, count, 1);
3266 ret = get_errno(writev(arg1, vec, count));
3267 unlock_iovec(vec, arg2, count, 0);
3270 case TARGET_NR_getsid:
3271 ret = get_errno(getsid(arg1));
3273 case TARGET_NR_fdatasync:
3274 ret = get_errno(fdatasync(arg1));
3276 case TARGET_NR__sysctl:
3277 /* We don't implement this, but ENODIR is always a safe
3280 case TARGET_NR_sched_setparam:
3282 struct sched_param *target_schp;
3283 struct sched_param schp;
3285 lock_user_struct(target_schp, arg2, 1);
3286 schp.sched_priority = tswap32(target_schp->sched_priority);
3287 unlock_user_struct(target_schp, arg2, 0);
3288 ret = get_errno(sched_setparam(arg1, &schp));
3291 case TARGET_NR_sched_getparam:
3293 struct sched_param *target_schp;
3294 struct sched_param schp;
3295 ret = get_errno(sched_getparam(arg1, &schp));
3296 if (!is_error(ret)) {
3297 lock_user_struct(target_schp, arg2, 0);
3298 target_schp->sched_priority = tswap32(schp.sched_priority);
3299 unlock_user_struct(target_schp, arg2, 1);
3303 case TARGET_NR_sched_setscheduler:
3305 struct sched_param *target_schp;
3306 struct sched_param schp;
3307 lock_user_struct(target_schp, arg3, 1);
3308 schp.sched_priority = tswap32(target_schp->sched_priority);
3309 unlock_user_struct(target_schp, arg3, 0);
3310 ret = get_errno(sched_setscheduler(arg1, arg2, &schp));
3313 case TARGET_NR_sched_getscheduler:
3314 ret = get_errno(sched_getscheduler(arg1));
3316 case TARGET_NR_sched_yield:
3317 ret = get_errno(sched_yield());
3319 case TARGET_NR_sched_get_priority_max:
3320 ret = get_errno(sched_get_priority_max(arg1));
3322 case TARGET_NR_sched_get_priority_min:
3323 ret = get_errno(sched_get_priority_min(arg1));
3325 case TARGET_NR_sched_rr_get_interval:
3328 ret = get_errno(sched_rr_get_interval(arg1, &ts));
3329 if (!is_error(ret)) {
3330 host_to_target_timespec(arg2, &ts);
3334 case TARGET_NR_nanosleep:
3336 struct timespec req, rem;
3337 target_to_host_timespec(&req, arg1);
3338 ret = get_errno(nanosleep(&req, &rem));
3339 if (is_error(ret) && arg2) {
3340 host_to_target_timespec(arg2, &rem);
3344 case TARGET_NR_query_module:
3346 case TARGET_NR_nfsservctl:
3348 case TARGET_NR_prctl:
3350 #ifdef TARGET_NR_pread
3351 case TARGET_NR_pread:
3352 page_unprotect_range(arg2, arg3);
3353 p = lock_user(arg2, arg3, 0);
3354 ret = get_errno(pread(arg1, p, arg3, arg4));
3355 unlock_user(p, arg2, ret);
3357 case TARGET_NR_pwrite:
3358 p = lock_user(arg2, arg3, 1);
3359 ret = get_errno(pwrite(arg1, p, arg3, arg4));
3360 unlock_user(p, arg2, 0);
3363 case TARGET_NR_getcwd:
3364 p = lock_user(arg1, arg2, 0);
3365 ret = get_errno(sys_getcwd1(p, arg2));
3366 unlock_user(p, arg1, ret);
3368 case TARGET_NR_capget:
3370 case TARGET_NR_capset:
3372 case TARGET_NR_sigaltstack:
3374 case TARGET_NR_sendfile:
3376 #ifdef TARGET_NR_getpmsg
3377 case TARGET_NR_getpmsg:
3380 #ifdef TARGET_NR_putpmsg
3381 case TARGET_NR_putpmsg:
3384 #ifdef TARGET_NR_vfork
3385 case TARGET_NR_vfork:
3386 ret = get_errno(do_fork(cpu_env, CLONE_VFORK | CLONE_VM | SIGCHLD, 0));
3389 #ifdef TARGET_NR_ugetrlimit
3390 case TARGET_NR_ugetrlimit:
3393 ret = get_errno(getrlimit(arg1, &rlim));
3394 if (!is_error(ret)) {
3395 struct target_rlimit *target_rlim;
3396 lock_user_struct(target_rlim, arg2, 0);
3397 target_rlim->rlim_cur = tswapl(rlim.rlim_cur);
3398 target_rlim->rlim_max = tswapl(rlim.rlim_max);
3399 unlock_user_struct(target_rlim, arg2, 1);
3404 #ifdef TARGET_NR_truncate64
3405 case TARGET_NR_truncate64:
3406 p = lock_user_string(arg1);
3407 ret = target_truncate64(cpu_env, p, arg2, arg3, arg4);
3408 unlock_user(p, arg1, 0);
3411 #ifdef TARGET_NR_ftruncate64
3412 case TARGET_NR_ftruncate64:
3413 ret = target_ftruncate64(cpu_env, arg1, arg2, arg3, arg4);
3416 #ifdef TARGET_NR_stat64
3417 case TARGET_NR_stat64:
3418 p = lock_user_string(arg1);
3419 ret = get_errno(stat(path(p), &st));
3420 unlock_user(p, arg1, 0);
3423 #ifdef TARGET_NR_lstat64
3424 case TARGET_NR_lstat64:
3425 p = lock_user_string(arg1);
3426 ret = get_errno(lstat(path(p), &st));
3427 unlock_user(p, arg1, 0);
3430 #ifdef TARGET_NR_fstat64
3431 case TARGET_NR_fstat64:
3433 ret = get_errno(fstat(arg1, &st));
3435 if (!is_error(ret)) {
3437 if (((CPUARMState *)cpu_env)->eabi) {
3438 struct target_eabi_stat64 *target_st;
3439 lock_user_struct(target_st, arg2, 1);
3440 memset(target_st, 0, sizeof(struct target_eabi_stat64));
3441 /* put_user is probably wrong. */
3442 put_user(st.st_dev, &target_st->st_dev);
3443 put_user(st.st_ino, &target_st->st_ino);
3444 #ifdef TARGET_STAT64_HAS_BROKEN_ST_INO
3445 put_user(st.st_ino, &target_st->__st_ino);
3447 put_user(st.st_mode, &target_st->st_mode);
3448 put_user(st.st_nlink, &target_st->st_nlink);
3449 put_user(st.st_uid, &target_st->st_uid);
3450 put_user(st.st_gid, &target_st->st_gid);
3451 put_user(st.st_rdev, &target_st->st_rdev);
3452 /* XXX: better use of kernel struct */
3453 put_user(st.st_size, &target_st->st_size);
3454 put_user(st.st_blksize, &target_st->st_blksize);
3455 put_user(st.st_blocks, &target_st->st_blocks);
3456 put_user(st.st_atime, &target_st->target_st_atime);
3457 put_user(st.st_mtime, &target_st->target_st_mtime);
3458 put_user(st.st_ctime, &target_st->target_st_ctime);
3459 unlock_user_struct(target_st, arg2, 0);
3463 struct target_stat64 *target_st;
3464 lock_user_struct(target_st, arg2, 1);
3465 memset(target_st, 0, sizeof(struct target_stat64));
3466 /* ??? put_user is probably wrong. */
3467 put_user(st.st_dev, &target_st->st_dev);
3468 put_user(st.st_ino, &target_st->st_ino);
3469 #ifdef TARGET_STAT64_HAS_BROKEN_ST_INO
3470 put_user(st.st_ino, &target_st->__st_ino);
3472 put_user(st.st_mode, &target_st->st_mode);
3473 put_user(st.st_nlink, &target_st->st_nlink);
3474 put_user(st.st_uid, &target_st->st_uid);
3475 put_user(st.st_gid, &target_st->st_gid);
3476 put_user(st.st_rdev, &target_st->st_rdev);
3477 /* XXX: better use of kernel struct */
3478 put_user(st.st_size, &target_st->st_size);
3479 put_user(st.st_blksize, &target_st->st_blksize);
3480 put_user(st.st_blocks, &target_st->st_blocks);
3481 put_user(st.st_atime, &target_st->target_st_atime);
3482 put_user(st.st_mtime, &target_st->target_st_mtime);
3483 put_user(st.st_ctime, &target_st->target_st_ctime);
3484 unlock_user_struct(target_st, arg2, 0);
3491 case TARGET_NR_lchown:
3492 p = lock_user_string(arg1);
3493 ret = get_errno(lchown(p, low2highuid(arg2), low2highgid(arg3)));
3494 unlock_user(p, arg1, 0);
3496 case TARGET_NR_getuid:
3497 ret = get_errno(high2lowuid(getuid()));
3499 case TARGET_NR_getgid:
3500 ret = get_errno(high2lowgid(getgid()));
3502 case TARGET_NR_geteuid:
3503 ret = get_errno(high2lowuid(geteuid()));
3505 case TARGET_NR_getegid:
3506 ret = get_errno(high2lowgid(getegid()));
3508 case TARGET_NR_setreuid:
3509 ret = get_errno(setreuid(low2highuid(arg1), low2highuid(arg2)));
3511 case TARGET_NR_setregid:
3512 ret = get_errno(setregid(low2highgid(arg1), low2highgid(arg2)));
3514 case TARGET_NR_getgroups:
3516 int gidsetsize = arg1;
3517 uint16_t *target_grouplist;
3521 grouplist = alloca(gidsetsize * sizeof(gid_t));
3522 ret = get_errno(getgroups(gidsetsize, grouplist));
3523 if (!is_error(ret)) {
3524 target_grouplist = lock_user(arg2, gidsetsize * 2, 0);
3525 for(i = 0;i < gidsetsize; i++)
3526 target_grouplist[i] = tswap16(grouplist[i]);
3527 unlock_user(target_grouplist, arg2, gidsetsize * 2);
3531 case TARGET_NR_setgroups:
3533 int gidsetsize = arg1;
3534 uint16_t *target_grouplist;
3538 grouplist = alloca(gidsetsize * sizeof(gid_t));
3539 target_grouplist = lock_user(arg2, gidsetsize * 2, 1);
3540 for(i = 0;i < gidsetsize; i++)
3541 grouplist[i] = tswap16(target_grouplist[i]);
3542 unlock_user(target_grouplist, arg2, 0);
3543 ret = get_errno(setgroups(gidsetsize, grouplist));
3546 case TARGET_NR_fchown:
3547 ret = get_errno(fchown(arg1, low2highuid(arg2), low2highgid(arg3)));
3549 #ifdef TARGET_NR_setresuid
3550 case TARGET_NR_setresuid:
3551 ret = get_errno(setresuid(low2highuid(arg1),
3553 low2highuid(arg3)));
3556 #ifdef TARGET_NR_getresuid
3557 case TARGET_NR_getresuid:
3559 uid_t ruid, euid, suid;
3560 ret = get_errno(getresuid(&ruid, &euid, &suid));
3561 if (!is_error(ret)) {
3562 tput16(arg1, tswap16(high2lowuid(ruid)));
3563 tput16(arg2, tswap16(high2lowuid(euid)));
3564 tput16(arg3, tswap16(high2lowuid(suid)));
3569 #ifdef TARGET_NR_getresgid
3570 case TARGET_NR_setresgid:
3571 ret = get_errno(setresgid(low2highgid(arg1),
3573 low2highgid(arg3)));
3576 #ifdef TARGET_NR_getresgid
3577 case TARGET_NR_getresgid:
3579 gid_t rgid, egid, sgid;
3580 ret = get_errno(getresgid(&rgid, &egid, &sgid));
3581 if (!is_error(ret)) {
3582 tput16(arg1, tswap16(high2lowgid(rgid)));
3583 tput16(arg2, tswap16(high2lowgid(egid)));
3584 tput16(arg3, tswap16(high2lowgid(sgid)));
3589 case TARGET_NR_chown:
3590 p = lock_user_string(arg1);
3591 ret = get_errno(chown(p, low2highuid(arg2), low2highgid(arg3)));
3592 unlock_user(p, arg1, 0);
3594 case TARGET_NR_setuid:
3595 ret = get_errno(setuid(low2highuid(arg1)));
3597 case TARGET_NR_setgid:
3598 ret = get_errno(setgid(low2highgid(arg1)));
3600 case TARGET_NR_setfsuid:
3601 ret = get_errno(setfsuid(arg1));
3603 case TARGET_NR_setfsgid:
3604 ret = get_errno(setfsgid(arg1));
3606 #endif /* USE_UID16 */
3608 #ifdef TARGET_NR_lchown32
3609 case TARGET_NR_lchown32:
3610 p = lock_user_string(arg1);
3611 ret = get_errno(lchown(p, arg2, arg3));
3612 unlock_user(p, arg1, 0);
3615 #ifdef TARGET_NR_getuid32
3616 case TARGET_NR_getuid32:
3617 ret = get_errno(getuid());
3620 #ifdef TARGET_NR_getgid32
3621 case TARGET_NR_getgid32:
3622 ret = get_errno(getgid());
3625 #ifdef TARGET_NR_geteuid32
3626 case TARGET_NR_geteuid32:
3627 ret = get_errno(geteuid());
3630 #ifdef TARGET_NR_getegid32
3631 case TARGET_NR_getegid32:
3632 ret = get_errno(getegid());
3635 #ifdef TARGET_NR_setreuid32
3636 case TARGET_NR_setreuid32:
3637 ret = get_errno(setreuid(arg1, arg2));
3640 #ifdef TARGET_NR_setregid32
3641 case TARGET_NR_setregid32:
3642 ret = get_errno(setregid(arg1, arg2));
3645 #ifdef TARGET_NR_getgroups32
3646 case TARGET_NR_getgroups32:
3648 int gidsetsize = arg1;
3649 uint32_t *target_grouplist;
3653 grouplist = alloca(gidsetsize * sizeof(gid_t));
3654 ret = get_errno(getgroups(gidsetsize, grouplist));
3655 if (!is_error(ret)) {
3656 target_grouplist = lock_user(arg2, gidsetsize * 4, 0);
3657 for(i = 0;i < gidsetsize; i++)
3658 target_grouplist[i] = tswap32(grouplist[i]);
3659 unlock_user(target_grouplist, arg2, gidsetsize * 4);
3664 #ifdef TARGET_NR_setgroups32
3665 case TARGET_NR_setgroups32:
3667 int gidsetsize = arg1;
3668 uint32_t *target_grouplist;
3672 grouplist = alloca(gidsetsize * sizeof(gid_t));
3673 target_grouplist = lock_user(arg2, gidsetsize * 4, 1);
3674 for(i = 0;i < gidsetsize; i++)
3675 grouplist[i] = tswap32(target_grouplist[i]);
3676 unlock_user(target_grouplist, arg2, 0);
3677 ret = get_errno(setgroups(gidsetsize, grouplist));
3681 #ifdef TARGET_NR_fchown32
3682 case TARGET_NR_fchown32:
3683 ret = get_errno(fchown(arg1, arg2, arg3));
3686 #ifdef TARGET_NR_setresuid32
3687 case TARGET_NR_setresuid32:
3688 ret = get_errno(setresuid(arg1, arg2, arg3));
3691 #ifdef TARGET_NR_getresuid32
3692 case TARGET_NR_getresuid32:
3694 uid_t ruid, euid, suid;
3695 ret = get_errno(getresuid(&ruid, &euid, &suid));
3696 if (!is_error(ret)) {
3697 tput32(arg1, tswap32(ruid));
3698 tput32(arg2, tswap32(euid));
3699 tput32(arg3, tswap32(suid));
3704 #ifdef TARGET_NR_setresgid32
3705 case TARGET_NR_setresgid32:
3706 ret = get_errno(setresgid(arg1, arg2, arg3));
3709 #ifdef TARGET_NR_getresgid32
3710 case TARGET_NR_getresgid32:
3712 gid_t rgid, egid, sgid;
3713 ret = get_errno(getresgid(&rgid, &egid, &sgid));
3714 if (!is_error(ret)) {
3715 tput32(arg1, tswap32(rgid));
3716 tput32(arg2, tswap32(egid));
3717 tput32(arg3, tswap32(sgid));
3722 #ifdef TARGET_NR_chown32
3723 case TARGET_NR_chown32:
3724 p = lock_user_string(arg1);
3725 ret = get_errno(chown(p, arg2, arg3));
3726 unlock_user(p, arg1, 0);
3729 #ifdef TARGET_NR_setuid32
3730 case TARGET_NR_setuid32:
3731 ret = get_errno(setuid(arg1));
3734 #ifdef TARGET_NR_setgid32
3735 case TARGET_NR_setgid32:
3736 ret = get_errno(setgid(arg1));
3739 #ifdef TARGET_NR_setfsuid32
3740 case TARGET_NR_setfsuid32:
3741 ret = get_errno(setfsuid(arg1));
3744 #ifdef TARGET_NR_setfsgid32
3745 case TARGET_NR_setfsgid32:
3746 ret = get_errno(setfsgid(arg1));
3750 case TARGET_NR_pivot_root:
3752 #ifdef TARGET_NR_mincore
3753 case TARGET_NR_mincore:
3756 #ifdef TARGET_NR_madvise
3757 case TARGET_NR_madvise:
3758 /* A straight passthrough may not be safe because qemu sometimes
3759 turns private flie-backed mappings into anonymous mappings.
3760 This will break MADV_DONTNEED.
3761 This is a hint, so ignoring and returning success is ok. */
3765 #if TARGET_LONG_BITS == 32
3766 case TARGET_NR_fcntl64:
3769 struct target_flock64 *target_fl;
3771 struct target_eabi_flock64 *target_efl;
3776 ret = get_errno(fcntl(arg1, arg2, &fl));
3779 if (((CPUARMState *)cpu_env)->eabi) {
3780 lock_user_struct(target_efl, arg3, 0);
3781 target_efl->l_type = tswap16(fl.l_type);
3782 target_efl->l_whence = tswap16(fl.l_whence);
3783 target_efl->l_start = tswap64(fl.l_start);
3784 target_efl->l_len = tswap64(fl.l_len);
3785 target_efl->l_pid = tswapl(fl.l_pid);
3786 unlock_user_struct(target_efl, arg3, 1);
3790 lock_user_struct(target_fl, arg3, 0);
3791 target_fl->l_type = tswap16(fl.l_type);
3792 target_fl->l_whence = tswap16(fl.l_whence);
3793 target_fl->l_start = tswap64(fl.l_start);
3794 target_fl->l_len = tswap64(fl.l_len);
3795 target_fl->l_pid = tswapl(fl.l_pid);
3796 unlock_user_struct(target_fl, arg3, 1);
3804 if (((CPUARMState *)cpu_env)->eabi) {
3805 lock_user_struct(target_efl, arg3, 1);
3806 fl.l_type = tswap16(target_efl->l_type);
3807 fl.l_whence = tswap16(target_efl->l_whence);
3808 fl.l_start = tswap64(target_efl->l_start);
3809 fl.l_len = tswap64(target_efl->l_len);
3810 fl.l_pid = tswapl(target_efl->l_pid);
3811 unlock_user_struct(target_efl, arg3, 0);
3815 lock_user_struct(target_fl, arg3, 1);
3816 fl.l_type = tswap16(target_fl->l_type);
3817 fl.l_whence = tswap16(target_fl->l_whence);
3818 fl.l_start = tswap64(target_fl->l_start);
3819 fl.l_len = tswap64(target_fl->l_len);
3820 fl.l_pid = tswapl(target_fl->l_pid);
3821 unlock_user_struct(target_fl, arg3, 0);
3823 ret = get_errno(fcntl(arg1, arg2, &fl));
3826 ret = get_errno(do_fcntl(arg1, arg2, arg3));
3832 #ifdef TARGET_NR_cacheflush
3833 case TARGET_NR_cacheflush:
3834 /* self-modifying code is handled automatically, so nothing needed */
3838 #ifdef TARGET_NR_security
3839 case TARGET_NR_security:
3842 #ifdef TARGET_NR_getpagesize
3843 case TARGET_NR_getpagesize:
3844 ret = TARGET_PAGE_SIZE;
3847 case TARGET_NR_gettid:
3848 ret = get_errno(gettid());
3850 case TARGET_NR_readahead:
3852 #ifdef TARGET_NR_setxattr
3853 case TARGET_NR_setxattr:
3854 case TARGET_NR_lsetxattr:
3855 case TARGET_NR_fsetxattr:
3856 case TARGET_NR_getxattr:
3857 case TARGET_NR_lgetxattr:
3858 case TARGET_NR_fgetxattr:
3859 case TARGET_NR_listxattr:
3860 case TARGET_NR_llistxattr:
3861 case TARGET_NR_flistxattr:
3862 case TARGET_NR_removexattr:
3863 case TARGET_NR_lremovexattr:
3864 case TARGET_NR_fremovexattr:
3865 goto unimplemented_nowarn;
3867 #ifdef TARGET_NR_set_thread_area
3868 case TARGET_NR_set_thread_area:
3869 case TARGET_NR_get_thread_area:
3870 goto unimplemented_nowarn;
3872 #ifdef TARGET_NR_getdomainname
3873 case TARGET_NR_getdomainname:
3874 goto unimplemented_nowarn;
3878 gemu_log("qemu: Unsupported syscall: %d\n", num);
3879 #if defined(TARGET_NR_setxattr) || defined(TARGET_NR_set_thread_area) || defined(TARGET_NR_getdomainname)
3880 unimplemented_nowarn:
3887 gemu_log(" = %ld\n", ret);