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 /* 16 bit uid wrappers emulation */
77 //#include <linux/msdos_fs.h>
78 #define VFAT_IOCTL_READDIR_BOTH _IOR('r', 1, struct dirent [2])
79 #define VFAT_IOCTL_READDIR_SHORT _IOR('r', 2, struct dirent [2])
90 #define _syscall0(type,name) \
93 return syscall(__NR_##name); \
96 #define _syscall1(type,name,type1,arg1) \
97 type name (type1 arg1) \
99 return syscall(__NR_##name, arg1); \
102 #define _syscall2(type,name,type1,arg1,type2,arg2) \
103 type name (type1 arg1,type2 arg2) \
105 return syscall(__NR_##name, arg1, arg2); \
108 #define _syscall3(type,name,type1,arg1,type2,arg2,type3,arg3) \
109 type name (type1 arg1,type2 arg2,type3 arg3) \
111 return syscall(__NR_##name, arg1, arg2, arg3); \
114 #define _syscall4(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4) \
115 type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4) \
117 return syscall(__NR_##name, arg1, arg2, arg3, arg4); \
120 #define _syscall5(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4, \
122 type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4,type5 arg5) \
124 return syscall(__NR_##name, arg1, arg2, arg3, arg4, arg5); \
128 #define _syscall6(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4, \
129 type5,arg5,type6,arg6) \
130 type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4,type5 arg5,type6 arg6) \
132 return syscall(__NR_##name, arg1, arg2, arg3, arg4, arg5, arg6); \
136 #define __NR_sys_uname __NR_uname
137 #define __NR_sys_getcwd1 __NR_getcwd
138 #define __NR_sys_getdents __NR_getdents
139 #define __NR_sys_getdents64 __NR_getdents64
140 #define __NR_sys_rt_sigqueueinfo __NR_rt_sigqueueinfo
142 #if defined(__alpha__) || defined (__ia64__) || defined(__x86_64__)
143 #define __NR__llseek __NR_lseek
147 _syscall0(int, gettid)
149 static int gettid(void) {
153 _syscall1(int,sys_uname,struct new_utsname *,buf)
154 _syscall2(int,sys_getcwd1,char *,buf,size_t,size)
155 _syscall3(int, sys_getdents, uint, fd, struct dirent *, dirp, uint, count);
156 _syscall3(int, sys_getdents64, uint, fd, struct dirent64 *, dirp, uint, count);
157 _syscall5(int, _llseek, uint, fd, ulong, hi, ulong, lo,
158 loff_t *, res, uint, wh);
159 _syscall3(int,sys_rt_sigqueueinfo,int,pid,int,sig,siginfo_t *,uinfo)
160 #ifdef __NR_exit_group
161 _syscall1(int,exit_group,int,error_code)
164 extern int personality(int);
165 extern int flock(int, int);
166 extern int setfsuid(int);
167 extern int setfsgid(int);
168 extern int setresuid(uid_t, uid_t, uid_t);
169 extern int getresuid(uid_t *, uid_t *, uid_t *);
170 extern int setresgid(gid_t, gid_t, gid_t);
171 extern int getresgid(gid_t *, gid_t *, gid_t *);
172 extern int setgroups(int, gid_t *);
174 static inline long get_errno(long ret)
182 static inline int is_error(long ret)
184 return (unsigned long)ret >= (unsigned long)(-4096);
187 static target_ulong target_brk;
188 static target_ulong target_original_brk;
190 void target_set_brk(target_ulong new_brk)
192 target_original_brk = target_brk = new_brk;
195 long do_brk(target_ulong new_brk)
197 target_ulong brk_page;
203 if (new_brk < target_original_brk)
206 brk_page = HOST_PAGE_ALIGN(target_brk);
208 /* If the new brk is less than this, set it and we're done... */
209 if (new_brk < brk_page) {
210 target_brk = new_brk;
214 /* We need to allocate more memory after the brk... */
215 new_alloc_size = HOST_PAGE_ALIGN(new_brk - brk_page + 1);
216 mapped_addr = get_errno(target_mmap(brk_page, new_alloc_size,
217 PROT_READ|PROT_WRITE,
218 MAP_ANON|MAP_FIXED|MAP_PRIVATE, 0, 0));
219 if (is_error(mapped_addr)) {
222 target_brk = new_brk;
227 static inline fd_set *target_to_host_fds(fd_set *fds,
228 target_long *target_fds, int n)
230 #if !defined(BSWAP_NEEDED) && !defined(WORDS_BIGENDIAN)
231 return (fd_set *)target_fds;
236 for(i = 0;i < n; i++) {
237 b = (tswapl(target_fds[i / TARGET_LONG_BITS]) >>
238 (i & (TARGET_LONG_BITS - 1))) & 1;
249 static inline void host_to_target_fds(target_long *target_fds,
252 #if !defined(BSWAP_NEEDED) && !defined(WORDS_BIGENDIAN)
259 nw = (n + TARGET_LONG_BITS - 1) / TARGET_LONG_BITS;
261 for(i = 0;i < nw; i++) {
263 for(j = 0; j < TARGET_LONG_BITS; j++) {
264 v |= ((FD_ISSET(k, fds) != 0) << j);
267 target_fds[i] = tswapl(v);
273 #if defined(__alpha__)
279 static inline long host_to_target_clock_t(long ticks)
281 #if HOST_HZ == TARGET_HZ
284 return ((int64_t)ticks * TARGET_HZ) / HOST_HZ;
288 static inline void host_to_target_rusage(target_ulong target_addr,
289 const struct rusage *rusage)
291 struct target_rusage *target_rusage;
293 lock_user_struct(target_rusage, target_addr, 0);
294 target_rusage->ru_utime.tv_sec = tswapl(rusage->ru_utime.tv_sec);
295 target_rusage->ru_utime.tv_usec = tswapl(rusage->ru_utime.tv_usec);
296 target_rusage->ru_stime.tv_sec = tswapl(rusage->ru_stime.tv_sec);
297 target_rusage->ru_stime.tv_usec = tswapl(rusage->ru_stime.tv_usec);
298 target_rusage->ru_maxrss = tswapl(rusage->ru_maxrss);
299 target_rusage->ru_ixrss = tswapl(rusage->ru_ixrss);
300 target_rusage->ru_idrss = tswapl(rusage->ru_idrss);
301 target_rusage->ru_isrss = tswapl(rusage->ru_isrss);
302 target_rusage->ru_minflt = tswapl(rusage->ru_minflt);
303 target_rusage->ru_majflt = tswapl(rusage->ru_majflt);
304 target_rusage->ru_nswap = tswapl(rusage->ru_nswap);
305 target_rusage->ru_inblock = tswapl(rusage->ru_inblock);
306 target_rusage->ru_oublock = tswapl(rusage->ru_oublock);
307 target_rusage->ru_msgsnd = tswapl(rusage->ru_msgsnd);
308 target_rusage->ru_msgrcv = tswapl(rusage->ru_msgrcv);
309 target_rusage->ru_nsignals = tswapl(rusage->ru_nsignals);
310 target_rusage->ru_nvcsw = tswapl(rusage->ru_nvcsw);
311 target_rusage->ru_nivcsw = tswapl(rusage->ru_nivcsw);
312 unlock_user_struct(target_rusage, target_addr, 1);
315 static inline void target_to_host_timeval(struct timeval *tv,
316 target_ulong target_addr)
318 struct target_timeval *target_tv;
320 lock_user_struct(target_tv, target_addr, 1);
321 tv->tv_sec = tswapl(target_tv->tv_sec);
322 tv->tv_usec = tswapl(target_tv->tv_usec);
323 unlock_user_struct(target_tv, target_addr, 0);
326 static inline void host_to_target_timeval(target_ulong target_addr,
327 const struct timeval *tv)
329 struct target_timeval *target_tv;
331 lock_user_struct(target_tv, target_addr, 0);
332 target_tv->tv_sec = tswapl(tv->tv_sec);
333 target_tv->tv_usec = tswapl(tv->tv_usec);
334 unlock_user_struct(target_tv, target_addr, 1);
338 static long do_select(long n,
339 target_ulong rfd_p, target_ulong wfd_p,
340 target_ulong efd_p, target_ulong target_tv)
342 fd_set rfds, wfds, efds;
343 fd_set *rfds_ptr, *wfds_ptr, *efds_ptr;
344 target_long *target_rfds, *target_wfds, *target_efds;
345 struct timeval tv, *tv_ptr;
350 target_rfds = lock_user(rfd_p, sizeof(target_long) * n, 1);
351 rfds_ptr = target_to_host_fds(&rfds, target_rfds, n);
357 target_wfds = lock_user(wfd_p, sizeof(target_long) * n, 1);
358 wfds_ptr = target_to_host_fds(&wfds, target_wfds, n);
364 target_efds = lock_user(efd_p, sizeof(target_long) * n, 1);
365 efds_ptr = target_to_host_fds(&efds, target_efds, n);
372 target_to_host_timeval(&tv, target_tv);
377 ret = get_errno(select(n, rfds_ptr, wfds_ptr, efds_ptr, tv_ptr));
381 host_to_target_fds(target_rfds, rfds_ptr, n);
382 host_to_target_fds(target_wfds, wfds_ptr, n);
383 host_to_target_fds(target_efds, efds_ptr, n);
386 host_to_target_timeval(target_tv, &tv);
390 unlock_user(target_rfds, rfd_p, ok ? sizeof(target_long) * n : 0);
392 unlock_user(target_wfds, wfd_p, ok ? sizeof(target_long) * n : 0);
394 unlock_user(target_efds, efd_p, ok ? sizeof(target_long) * n : 0);
399 static inline void target_to_host_sockaddr(struct sockaddr *addr,
400 target_ulong target_addr,
403 struct target_sockaddr *target_saddr;
405 target_saddr = lock_user(target_addr, len, 1);
406 memcpy(addr, target_saddr, len);
407 addr->sa_family = tswap16(target_saddr->sa_family);
408 unlock_user(target_saddr, target_addr, 0);
411 static inline void host_to_target_sockaddr(target_ulong target_addr,
412 struct sockaddr *addr,
415 struct target_sockaddr *target_saddr;
417 target_saddr = lock_user(target_addr, len, 0);
418 memcpy(target_saddr, addr, len);
419 target_saddr->sa_family = tswap16(addr->sa_family);
420 unlock_user(target_saddr, target_addr, len);
423 /* ??? Should this also swap msgh->name? */
424 static inline void target_to_host_cmsg(struct msghdr *msgh,
425 struct target_msghdr *target_msgh)
427 struct cmsghdr *cmsg = CMSG_FIRSTHDR(msgh);
428 struct target_cmsghdr *target_cmsg = TARGET_CMSG_FIRSTHDR(target_msgh);
431 while (cmsg && target_cmsg) {
432 void *data = CMSG_DATA(cmsg);
433 void *target_data = TARGET_CMSG_DATA(target_cmsg);
435 int len = tswapl(target_cmsg->cmsg_len)
436 - TARGET_CMSG_ALIGN(sizeof (struct target_cmsghdr));
438 space += CMSG_SPACE(len);
439 if (space > msgh->msg_controllen) {
440 space -= CMSG_SPACE(len);
441 gemu_log("Host cmsg overflow\n");
445 cmsg->cmsg_level = tswap32(target_cmsg->cmsg_level);
446 cmsg->cmsg_type = tswap32(target_cmsg->cmsg_type);
447 cmsg->cmsg_len = CMSG_LEN(len);
449 if (cmsg->cmsg_level != TARGET_SOL_SOCKET || cmsg->cmsg_type != SCM_RIGHTS) {
450 gemu_log("Unsupported ancillary data: %d/%d\n", cmsg->cmsg_level, cmsg->cmsg_type);
451 memcpy(data, target_data, len);
453 int *fd = (int *)data;
454 int *target_fd = (int *)target_data;
455 int i, numfds = len / sizeof(int);
457 for (i = 0; i < numfds; i++)
458 fd[i] = tswap32(target_fd[i]);
461 cmsg = CMSG_NXTHDR(msgh, cmsg);
462 target_cmsg = TARGET_CMSG_NXTHDR(target_msgh, target_cmsg);
465 msgh->msg_controllen = space;
468 /* ??? Should this also swap msgh->name? */
469 static inline void host_to_target_cmsg(struct target_msghdr *target_msgh,
472 struct cmsghdr *cmsg = CMSG_FIRSTHDR(msgh);
473 struct target_cmsghdr *target_cmsg = TARGET_CMSG_FIRSTHDR(target_msgh);
476 while (cmsg && target_cmsg) {
477 void *data = CMSG_DATA(cmsg);
478 void *target_data = TARGET_CMSG_DATA(target_cmsg);
480 int len = cmsg->cmsg_len - CMSG_ALIGN(sizeof (struct cmsghdr));
482 space += TARGET_CMSG_SPACE(len);
483 if (space > tswapl(target_msgh->msg_controllen)) {
484 space -= TARGET_CMSG_SPACE(len);
485 gemu_log("Target cmsg overflow\n");
489 target_cmsg->cmsg_level = tswap32(cmsg->cmsg_level);
490 target_cmsg->cmsg_type = tswap32(cmsg->cmsg_type);
491 target_cmsg->cmsg_len = tswapl(TARGET_CMSG_LEN(len));
493 if (cmsg->cmsg_level != TARGET_SOL_SOCKET || cmsg->cmsg_type != SCM_RIGHTS) {
494 gemu_log("Unsupported ancillary data: %d/%d\n", cmsg->cmsg_level, cmsg->cmsg_type);
495 memcpy(target_data, data, len);
497 int *fd = (int *)data;
498 int *target_fd = (int *)target_data;
499 int i, numfds = len / sizeof(int);
501 for (i = 0; i < numfds; i++)
502 target_fd[i] = tswap32(fd[i]);
505 cmsg = CMSG_NXTHDR(msgh, cmsg);
506 target_cmsg = TARGET_CMSG_NXTHDR(target_msgh, target_cmsg);
509 msgh->msg_controllen = tswapl(space);
512 static long do_setsockopt(int sockfd, int level, int optname,
513 target_ulong optval, socklen_t optlen)
519 /* TCP options all take an 'int' value. */
520 if (optlen < sizeof(uint32_t))
523 val = tget32(optval);
524 ret = get_errno(setsockopt(sockfd, level, optname, &val, sizeof(val)));
531 case IP_ROUTER_ALERT:
535 case IP_MTU_DISCOVER:
541 case IP_MULTICAST_TTL:
542 case IP_MULTICAST_LOOP:
544 if (optlen >= sizeof(uint32_t)) {
545 val = tget32(optval);
546 } else if (optlen >= 1) {
549 ret = get_errno(setsockopt(sockfd, level, optname, &val, sizeof(val)));
555 case TARGET_SOL_SOCKET:
557 /* Options with 'int' argument. */
558 case TARGET_SO_DEBUG:
561 case TARGET_SO_REUSEADDR:
562 optname = SO_REUSEADDR;
567 case TARGET_SO_ERROR:
570 case TARGET_SO_DONTROUTE:
571 optname = SO_DONTROUTE;
573 case TARGET_SO_BROADCAST:
574 optname = SO_BROADCAST;
576 case TARGET_SO_SNDBUF:
579 case TARGET_SO_RCVBUF:
582 case TARGET_SO_KEEPALIVE:
583 optname = SO_KEEPALIVE;
585 case TARGET_SO_OOBINLINE:
586 optname = SO_OOBINLINE;
588 case TARGET_SO_NO_CHECK:
589 optname = SO_NO_CHECK;
591 case TARGET_SO_PRIORITY:
592 optname = SO_PRIORITY;
595 case TARGET_SO_BSDCOMPAT:
596 optname = SO_BSDCOMPAT;
599 case TARGET_SO_PASSCRED:
600 optname = SO_PASSCRED;
602 case TARGET_SO_TIMESTAMP:
603 optname = SO_TIMESTAMP;
605 case TARGET_SO_RCVLOWAT:
606 optname = SO_RCVLOWAT;
608 case TARGET_SO_RCVTIMEO:
609 optname = SO_RCVTIMEO;
611 case TARGET_SO_SNDTIMEO:
612 optname = SO_SNDTIMEO;
618 if (optlen < sizeof(uint32_t))
621 val = tget32(optval);
622 ret = get_errno(setsockopt(sockfd, SOL_SOCKET, optname, &val, sizeof(val)));
626 gemu_log("Unsupported setsockopt level=%d optname=%d \n", level, optname);
632 static long do_getsockopt(int sockfd, int level, int optname,
633 target_ulong optval, target_ulong optlen)
635 int len, lv, val, ret;
638 case TARGET_SOL_SOCKET:
641 case TARGET_SO_LINGER:
642 case TARGET_SO_RCVTIMEO:
643 case TARGET_SO_SNDTIMEO:
644 case TARGET_SO_PEERCRED:
645 case TARGET_SO_PEERNAME:
646 /* These don't just return a single integer */
653 /* TCP options all take an 'int' value. */
655 len = tget32(optlen);
659 ret = get_errno(getsockopt(sockfd, level, optname, &val, &lv));
676 case IP_ROUTER_ALERT:
680 case IP_MTU_DISCOVER:
686 case IP_MULTICAST_TTL:
687 case IP_MULTICAST_LOOP:
688 len = tget32(optlen);
692 ret = get_errno(getsockopt(sockfd, level, optname, &val, &lv));
695 if (len < sizeof(int) && len > 0 && val >= 0 && val < 255) {
700 if (len > sizeof(int))
712 gemu_log("getsockopt level=%d optname=%d not yet supported\n",
720 static void lock_iovec(struct iovec *vec, target_ulong target_addr,
723 struct target_iovec *target_vec;
727 target_vec = lock_user(target_addr, count * sizeof(struct target_iovec), 1);
728 for(i = 0;i < count; i++) {
729 base = tswapl(target_vec[i].iov_base);
730 vec[i].iov_len = tswapl(target_vec[i].iov_len);
731 vec[i].iov_base = lock_user(base, vec[i].iov_len, copy);
733 unlock_user (target_vec, target_addr, 0);
736 static void unlock_iovec(struct iovec *vec, target_ulong target_addr,
739 struct target_iovec *target_vec;
743 target_vec = lock_user(target_addr, count * sizeof(struct target_iovec), 1);
744 for(i = 0;i < count; i++) {
745 base = tswapl(target_vec[i].iov_base);
746 unlock_user(vec[i].iov_base, base, copy ? vec[i].iov_len : 0);
748 unlock_user (target_vec, target_addr, 0);
751 static long do_socket(int domain, int type, int protocol)
753 #if defined(TARGET_MIPS)
755 case TARGET_SOCK_DGRAM:
758 case TARGET_SOCK_STREAM:
761 case TARGET_SOCK_RAW:
764 case TARGET_SOCK_RDM:
767 case TARGET_SOCK_SEQPACKET:
768 type = SOCK_SEQPACKET;
770 case TARGET_SOCK_PACKET:
775 return get_errno(socket(domain, type, protocol));
778 static long do_bind(int sockfd, target_ulong target_addr,
781 void *addr = alloca(addrlen);
783 target_to_host_sockaddr(addr, target_addr, addrlen);
784 return get_errno(bind(sockfd, addr, addrlen));
787 static long do_connect(int sockfd, target_ulong target_addr,
790 void *addr = alloca(addrlen);
792 target_to_host_sockaddr(addr, target_addr, addrlen);
793 return get_errno(connect(sockfd, addr, addrlen));
796 static long do_sendrecvmsg(int fd, target_ulong target_msg,
800 struct target_msghdr *msgp;
804 target_ulong target_vec;
806 lock_user_struct(msgp, target_msg, 1);
807 if (msgp->msg_name) {
808 msg.msg_namelen = tswap32(msgp->msg_namelen);
809 msg.msg_name = alloca(msg.msg_namelen);
810 target_to_host_sockaddr(msg.msg_name, tswapl(msgp->msg_name),
816 msg.msg_controllen = 2 * tswapl(msgp->msg_controllen);
817 msg.msg_control = alloca(msg.msg_controllen);
818 msg.msg_flags = tswap32(msgp->msg_flags);
820 count = tswapl(msgp->msg_iovlen);
821 vec = alloca(count * sizeof(struct iovec));
822 target_vec = tswapl(msgp->msg_iov);
823 lock_iovec(vec, target_vec, count, send);
824 msg.msg_iovlen = count;
828 target_to_host_cmsg(&msg, msgp);
829 ret = get_errno(sendmsg(fd, &msg, flags));
831 ret = get_errno(recvmsg(fd, &msg, flags));
833 host_to_target_cmsg(msgp, &msg);
835 unlock_iovec(vec, target_vec, count, !send);
839 static long do_socketcall(int num, target_ulong vptr)
842 const int n = sizeof(target_ulong);
847 int domain = tgetl(vptr);
848 int type = tgetl(vptr + n);
849 int protocol = tgetl(vptr + 2 * n);
850 ret = do_socket(domain, type, protocol);
855 int sockfd = tgetl(vptr);
856 target_ulong target_addr = tgetl(vptr + n);
857 socklen_t addrlen = tgetl(vptr + 2 * n);
858 ret = do_bind(sockfd, target_addr, addrlen);
863 int sockfd = tgetl(vptr);
864 target_ulong target_addr = tgetl(vptr + n);
865 socklen_t addrlen = tgetl(vptr + 2 * n);
866 ret = do_connect(sockfd, target_addr, addrlen);
871 int sockfd = tgetl(vptr);
872 int backlog = tgetl(vptr + n);
873 ret = get_errno(listen(sockfd, backlog));
878 int sockfd = tgetl(vptr);
879 target_ulong target_addr = tgetl(vptr + n);
880 target_ulong target_addrlen = tgetl(vptr + 2 * n);
881 socklen_t addrlen = tget32(target_addrlen);
882 void *addr = alloca(addrlen);
884 ret = get_errno(accept(sockfd, addr, &addrlen));
885 if (!is_error(ret)) {
886 host_to_target_sockaddr(target_addr, addr, addrlen);
887 tput32(target_addrlen, addrlen);
891 case SOCKOP_getsockname:
893 int sockfd = tgetl(vptr);
894 target_ulong target_addr = tgetl(vptr + n);
895 target_ulong target_addrlen = tgetl(vptr + 2 * n);
896 socklen_t addrlen = tget32(target_addrlen);
897 void *addr = alloca(addrlen);
899 ret = get_errno(getsockname(sockfd, addr, &addrlen));
900 if (!is_error(ret)) {
901 host_to_target_sockaddr(target_addr, addr, addrlen);
902 tput32(target_addrlen, addrlen);
906 case SOCKOP_getpeername:
908 int sockfd = tgetl(vptr);
909 target_ulong target_addr = tgetl(vptr + n);
910 target_ulong target_addrlen = tgetl(vptr + 2 * n);
911 socklen_t addrlen = tget32(target_addrlen);
912 void *addr = alloca(addrlen);
914 ret = get_errno(getpeername(sockfd, addr, &addrlen));
915 if (!is_error(ret)) {
916 host_to_target_sockaddr(target_addr, addr, addrlen);
917 tput32(target_addrlen, addrlen);
921 case SOCKOP_socketpair:
923 int domain = tgetl(vptr);
924 int type = tgetl(vptr + n);
925 int protocol = tgetl(vptr + 2 * n);
926 target_ulong target_tab = tgetl(vptr + 3 * n);
929 ret = get_errno(socketpair(domain, type, protocol, tab));
930 if (!is_error(ret)) {
931 tput32(target_tab, tab[0]);
932 tput32(target_tab + 4, tab[1]);
938 int sockfd = tgetl(vptr);
939 target_ulong msg = tgetl(vptr + n);
940 size_t len = tgetl(vptr + 2 * n);
941 int flags = tgetl(vptr + 3 * n);
944 host_msg = lock_user(msg, len, 1);
945 ret = get_errno(send(sockfd, host_msg, len, flags));
946 unlock_user(host_msg, msg, 0);
951 int sockfd = tgetl(vptr);
952 target_ulong msg = tgetl(vptr + n);
953 size_t len = tgetl(vptr + 2 * n);
954 int flags = tgetl(vptr + 3 * n);
957 host_msg = lock_user(msg, len, 0);
958 ret = get_errno(recv(sockfd, host_msg, len, flags));
959 unlock_user(host_msg, msg, ret);
964 int sockfd = tgetl(vptr);
965 target_ulong msg = tgetl(vptr + n);
966 size_t len = tgetl(vptr + 2 * n);
967 int flags = tgetl(vptr + 3 * n);
968 target_ulong target_addr = tgetl(vptr + 4 * n);
969 socklen_t addrlen = tgetl(vptr + 5 * n);
970 void *addr = alloca(addrlen);
973 host_msg = lock_user(msg, len, 1);
974 target_to_host_sockaddr(addr, target_addr, addrlen);
975 ret = get_errno(sendto(sockfd, host_msg, len, flags, addr, addrlen));
976 unlock_user(host_msg, msg, 0);
979 case SOCKOP_recvfrom:
981 int sockfd = tgetl(vptr);
982 target_ulong msg = tgetl(vptr + n);
983 size_t len = tgetl(vptr + 2 * n);
984 int flags = tgetl(vptr + 3 * n);
985 target_ulong target_addr = tgetl(vptr + 4 * n);
986 target_ulong target_addrlen = tgetl(vptr + 5 * n);
987 socklen_t addrlen = tget32(target_addrlen);
988 void *addr = alloca(addrlen);
991 host_msg = lock_user(msg, len, 0);
992 ret = get_errno(recvfrom(sockfd, host_msg, len, flags, addr, &addrlen));
993 if (!is_error(ret)) {
994 host_to_target_sockaddr(target_addr, addr, addrlen);
995 tput32(target_addrlen, addrlen);
996 unlock_user(host_msg, msg, len);
998 unlock_user(host_msg, msg, 0);
1002 case SOCKOP_shutdown:
1004 int sockfd = tgetl(vptr);
1005 int how = tgetl(vptr + n);
1007 ret = get_errno(shutdown(sockfd, how));
1010 case SOCKOP_sendmsg:
1011 case SOCKOP_recvmsg:
1014 target_ulong target_msg;
1018 target_msg = tgetl(vptr + n);
1019 flags = tgetl(vptr + 2 * n);
1021 ret = do_sendrecvmsg(fd, target_msg, flags,
1022 (num == SOCKOP_sendmsg));
1025 case SOCKOP_setsockopt:
1027 int sockfd = tgetl(vptr);
1028 int level = tgetl(vptr + n);
1029 int optname = tgetl(vptr + 2 * n);
1030 target_ulong optval = tgetl(vptr + 3 * n);
1031 socklen_t optlen = tgetl(vptr + 4 * n);
1033 ret = do_setsockopt(sockfd, level, optname, optval, optlen);
1036 case SOCKOP_getsockopt:
1038 int sockfd = tgetl(vptr);
1039 int level = tgetl(vptr + n);
1040 int optname = tgetl(vptr + 2 * n);
1041 target_ulong optval = tgetl(vptr + 3 * n);
1042 target_ulong poptlen = tgetl(vptr + 4 * n);
1044 ret = do_getsockopt(sockfd, level, optname, optval, poptlen);
1048 gemu_log("Unsupported socketcall: %d\n", num);
1055 /* XXX: suppress this function and call directly the related socket
1057 static long do_socketcallwrapper(int num, long arg1, long arg2, long arg3,
1058 long arg4, long arg5, long arg6)
1060 target_long args[6];
1063 tputl(args+1, arg2);
1064 tputl(args+2, arg3);
1065 tputl(args+3, arg4);
1066 tputl(args+4, arg5);
1067 tputl(args+5, arg6);
1069 return do_socketcall(num, (target_ulong) args);
1072 #define N_SHM_REGIONS 32
1074 static struct shm_region {
1077 } shm_regions[N_SHM_REGIONS];
1079 /* ??? This only works with linear mappings. */
1080 static long do_ipc(long call, long first, long second, long third,
1081 long ptr, long fifth)
1085 unsigned long raddr;
1086 struct shmid_ds shm_info;
1089 version = call >> 16;
1094 /* SHM_* flags are the same on all linux platforms */
1095 ret = get_errno((long) shmat(first, (void *) ptr, second));
1099 /* find out the length of the shared memory segment */
1101 ret = get_errno(shmctl(first, IPC_STAT, &shm_info));
1102 if (is_error(ret)) {
1103 /* can't get length, bail out */
1104 shmdt((void *) raddr);
1107 page_set_flags(raddr, raddr + shm_info.shm_segsz,
1108 PAGE_VALID | PAGE_READ |
1109 ((second & SHM_RDONLY)? 0: PAGE_WRITE));
1110 for (i = 0; i < N_SHM_REGIONS; ++i) {
1111 if (shm_regions[i].start == 0) {
1112 shm_regions[i].start = raddr;
1113 shm_regions[i].size = shm_info.shm_segsz;
1117 if (put_user(raddr, (uint32_t *)third))
1122 for (i = 0; i < N_SHM_REGIONS; ++i) {
1123 if (shm_regions[i].start == ptr) {
1124 shm_regions[i].start = 0;
1125 page_set_flags(ptr, shm_regions[i].size, 0);
1129 ret = get_errno(shmdt((void *) ptr));
1133 /* IPC_* flag values are the same on all linux platforms */
1134 ret = get_errno(shmget(first, second, third));
1137 /* IPC_* and SHM_* command values are the same on all linux platforms */
1143 ret = get_errno(shmctl(first, second, NULL));
1151 gemu_log("Unsupported ipc call: %ld (version %d)\n", call, version);
1158 /* kernel structure types definitions */
1161 #define STRUCT(name, list...) STRUCT_ ## name,
1162 #define STRUCT_SPECIAL(name) STRUCT_ ## name,
1164 #include "syscall_types.h"
1167 #undef STRUCT_SPECIAL
1169 #define STRUCT(name, list...) const argtype struct_ ## name ## _def[] = { list, TYPE_NULL };
1170 #define STRUCT_SPECIAL(name)
1171 #include "syscall_types.h"
1173 #undef STRUCT_SPECIAL
1175 typedef struct IOCTLEntry {
1176 unsigned int target_cmd;
1177 unsigned int host_cmd;
1180 const argtype arg_type[5];
1183 #define IOC_R 0x0001
1184 #define IOC_W 0x0002
1185 #define IOC_RW (IOC_R | IOC_W)
1187 #define MAX_STRUCT_SIZE 4096
1189 IOCTLEntry ioctl_entries[] = {
1190 #define IOCTL(cmd, access, types...) \
1191 { TARGET_ ## cmd, cmd, #cmd, access, { types } },
1196 /* ??? Implement proper locking for ioctls. */
1197 static long do_ioctl(long fd, long cmd, long arg)
1199 const IOCTLEntry *ie;
1200 const argtype *arg_type;
1202 uint8_t buf_temp[MAX_STRUCT_SIZE];
1208 if (ie->target_cmd == 0) {
1209 gemu_log("Unsupported ioctl: cmd=0x%04lx\n", cmd);
1212 if (ie->target_cmd == cmd)
1216 arg_type = ie->arg_type;
1218 gemu_log("ioctl: cmd=0x%04lx (%s)\n", cmd, ie->name);
1220 switch(arg_type[0]) {
1223 ret = get_errno(ioctl(fd, ie->host_cmd));
1228 ret = get_errno(ioctl(fd, ie->host_cmd, arg));
1232 target_size = thunk_type_size(arg_type, 0);
1233 switch(ie->access) {
1235 ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp));
1236 if (!is_error(ret)) {
1237 argptr = lock_user(arg, target_size, 0);
1238 thunk_convert(argptr, buf_temp, arg_type, THUNK_TARGET);
1239 unlock_user(argptr, arg, target_size);
1243 argptr = lock_user(arg, target_size, 1);
1244 thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST);
1245 unlock_user(argptr, arg, 0);
1246 ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp));
1250 argptr = lock_user(arg, target_size, 1);
1251 thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST);
1252 unlock_user(argptr, arg, 0);
1253 ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp));
1254 if (!is_error(ret)) {
1255 argptr = lock_user(arg, target_size, 0);
1256 thunk_convert(argptr, buf_temp, arg_type, THUNK_TARGET);
1257 unlock_user(argptr, arg, target_size);
1263 gemu_log("Unsupported ioctl type: cmd=0x%04lx type=%d\n", cmd, arg_type[0]);
1270 bitmask_transtbl iflag_tbl[] = {
1271 { TARGET_IGNBRK, TARGET_IGNBRK, IGNBRK, IGNBRK },
1272 { TARGET_BRKINT, TARGET_BRKINT, BRKINT, BRKINT },
1273 { TARGET_IGNPAR, TARGET_IGNPAR, IGNPAR, IGNPAR },
1274 { TARGET_PARMRK, TARGET_PARMRK, PARMRK, PARMRK },
1275 { TARGET_INPCK, TARGET_INPCK, INPCK, INPCK },
1276 { TARGET_ISTRIP, TARGET_ISTRIP, ISTRIP, ISTRIP },
1277 { TARGET_INLCR, TARGET_INLCR, INLCR, INLCR },
1278 { TARGET_IGNCR, TARGET_IGNCR, IGNCR, IGNCR },
1279 { TARGET_ICRNL, TARGET_ICRNL, ICRNL, ICRNL },
1280 { TARGET_IUCLC, TARGET_IUCLC, IUCLC, IUCLC },
1281 { TARGET_IXON, TARGET_IXON, IXON, IXON },
1282 { TARGET_IXANY, TARGET_IXANY, IXANY, IXANY },
1283 { TARGET_IXOFF, TARGET_IXOFF, IXOFF, IXOFF },
1284 { TARGET_IMAXBEL, TARGET_IMAXBEL, IMAXBEL, IMAXBEL },
1288 bitmask_transtbl oflag_tbl[] = {
1289 { TARGET_OPOST, TARGET_OPOST, OPOST, OPOST },
1290 { TARGET_OLCUC, TARGET_OLCUC, OLCUC, OLCUC },
1291 { TARGET_ONLCR, TARGET_ONLCR, ONLCR, ONLCR },
1292 { TARGET_OCRNL, TARGET_OCRNL, OCRNL, OCRNL },
1293 { TARGET_ONOCR, TARGET_ONOCR, ONOCR, ONOCR },
1294 { TARGET_ONLRET, TARGET_ONLRET, ONLRET, ONLRET },
1295 { TARGET_OFILL, TARGET_OFILL, OFILL, OFILL },
1296 { TARGET_OFDEL, TARGET_OFDEL, OFDEL, OFDEL },
1297 { TARGET_NLDLY, TARGET_NL0, NLDLY, NL0 },
1298 { TARGET_NLDLY, TARGET_NL1, NLDLY, NL1 },
1299 { TARGET_CRDLY, TARGET_CR0, CRDLY, CR0 },
1300 { TARGET_CRDLY, TARGET_CR1, CRDLY, CR1 },
1301 { TARGET_CRDLY, TARGET_CR2, CRDLY, CR2 },
1302 { TARGET_CRDLY, TARGET_CR3, CRDLY, CR3 },
1303 { TARGET_TABDLY, TARGET_TAB0, TABDLY, TAB0 },
1304 { TARGET_TABDLY, TARGET_TAB1, TABDLY, TAB1 },
1305 { TARGET_TABDLY, TARGET_TAB2, TABDLY, TAB2 },
1306 { TARGET_TABDLY, TARGET_TAB3, TABDLY, TAB3 },
1307 { TARGET_BSDLY, TARGET_BS0, BSDLY, BS0 },
1308 { TARGET_BSDLY, TARGET_BS1, BSDLY, BS1 },
1309 { TARGET_VTDLY, TARGET_VT0, VTDLY, VT0 },
1310 { TARGET_VTDLY, TARGET_VT1, VTDLY, VT1 },
1311 { TARGET_FFDLY, TARGET_FF0, FFDLY, FF0 },
1312 { TARGET_FFDLY, TARGET_FF1, FFDLY, FF1 },
1316 bitmask_transtbl cflag_tbl[] = {
1317 { TARGET_CBAUD, TARGET_B0, CBAUD, B0 },
1318 { TARGET_CBAUD, TARGET_B50, CBAUD, B50 },
1319 { TARGET_CBAUD, TARGET_B75, CBAUD, B75 },
1320 { TARGET_CBAUD, TARGET_B110, CBAUD, B110 },
1321 { TARGET_CBAUD, TARGET_B134, CBAUD, B134 },
1322 { TARGET_CBAUD, TARGET_B150, CBAUD, B150 },
1323 { TARGET_CBAUD, TARGET_B200, CBAUD, B200 },
1324 { TARGET_CBAUD, TARGET_B300, CBAUD, B300 },
1325 { TARGET_CBAUD, TARGET_B600, CBAUD, B600 },
1326 { TARGET_CBAUD, TARGET_B1200, CBAUD, B1200 },
1327 { TARGET_CBAUD, TARGET_B1800, CBAUD, B1800 },
1328 { TARGET_CBAUD, TARGET_B2400, CBAUD, B2400 },
1329 { TARGET_CBAUD, TARGET_B4800, CBAUD, B4800 },
1330 { TARGET_CBAUD, TARGET_B9600, CBAUD, B9600 },
1331 { TARGET_CBAUD, TARGET_B19200, CBAUD, B19200 },
1332 { TARGET_CBAUD, TARGET_B38400, CBAUD, B38400 },
1333 { TARGET_CBAUD, TARGET_B57600, CBAUD, B57600 },
1334 { TARGET_CBAUD, TARGET_B115200, CBAUD, B115200 },
1335 { TARGET_CBAUD, TARGET_B230400, CBAUD, B230400 },
1336 { TARGET_CBAUD, TARGET_B460800, CBAUD, B460800 },
1337 { TARGET_CSIZE, TARGET_CS5, CSIZE, CS5 },
1338 { TARGET_CSIZE, TARGET_CS6, CSIZE, CS6 },
1339 { TARGET_CSIZE, TARGET_CS7, CSIZE, CS7 },
1340 { TARGET_CSIZE, TARGET_CS8, CSIZE, CS8 },
1341 { TARGET_CSTOPB, TARGET_CSTOPB, CSTOPB, CSTOPB },
1342 { TARGET_CREAD, TARGET_CREAD, CREAD, CREAD },
1343 { TARGET_PARENB, TARGET_PARENB, PARENB, PARENB },
1344 { TARGET_PARODD, TARGET_PARODD, PARODD, PARODD },
1345 { TARGET_HUPCL, TARGET_HUPCL, HUPCL, HUPCL },
1346 { TARGET_CLOCAL, TARGET_CLOCAL, CLOCAL, CLOCAL },
1347 { TARGET_CRTSCTS, TARGET_CRTSCTS, CRTSCTS, CRTSCTS },
1351 bitmask_transtbl lflag_tbl[] = {
1352 { TARGET_ISIG, TARGET_ISIG, ISIG, ISIG },
1353 { TARGET_ICANON, TARGET_ICANON, ICANON, ICANON },
1354 { TARGET_XCASE, TARGET_XCASE, XCASE, XCASE },
1355 { TARGET_ECHO, TARGET_ECHO, ECHO, ECHO },
1356 { TARGET_ECHOE, TARGET_ECHOE, ECHOE, ECHOE },
1357 { TARGET_ECHOK, TARGET_ECHOK, ECHOK, ECHOK },
1358 { TARGET_ECHONL, TARGET_ECHONL, ECHONL, ECHONL },
1359 { TARGET_NOFLSH, TARGET_NOFLSH, NOFLSH, NOFLSH },
1360 { TARGET_TOSTOP, TARGET_TOSTOP, TOSTOP, TOSTOP },
1361 { TARGET_ECHOCTL, TARGET_ECHOCTL, ECHOCTL, ECHOCTL },
1362 { TARGET_ECHOPRT, TARGET_ECHOPRT, ECHOPRT, ECHOPRT },
1363 { TARGET_ECHOKE, TARGET_ECHOKE, ECHOKE, ECHOKE },
1364 { TARGET_FLUSHO, TARGET_FLUSHO, FLUSHO, FLUSHO },
1365 { TARGET_PENDIN, TARGET_PENDIN, PENDIN, PENDIN },
1366 { TARGET_IEXTEN, TARGET_IEXTEN, IEXTEN, IEXTEN },
1370 static void target_to_host_termios (void *dst, const void *src)
1372 struct host_termios *host = dst;
1373 const struct target_termios *target = src;
1376 target_to_host_bitmask(tswap32(target->c_iflag), iflag_tbl);
1378 target_to_host_bitmask(tswap32(target->c_oflag), oflag_tbl);
1380 target_to_host_bitmask(tswap32(target->c_cflag), cflag_tbl);
1382 target_to_host_bitmask(tswap32(target->c_lflag), lflag_tbl);
1383 host->c_line = target->c_line;
1385 host->c_cc[VINTR] = target->c_cc[TARGET_VINTR];
1386 host->c_cc[VQUIT] = target->c_cc[TARGET_VQUIT];
1387 host->c_cc[VERASE] = target->c_cc[TARGET_VERASE];
1388 host->c_cc[VKILL] = target->c_cc[TARGET_VKILL];
1389 host->c_cc[VEOF] = target->c_cc[TARGET_VEOF];
1390 host->c_cc[VTIME] = target->c_cc[TARGET_VTIME];
1391 host->c_cc[VMIN] = target->c_cc[TARGET_VMIN];
1392 host->c_cc[VSWTC] = target->c_cc[TARGET_VSWTC];
1393 host->c_cc[VSTART] = target->c_cc[TARGET_VSTART];
1394 host->c_cc[VSTOP] = target->c_cc[TARGET_VSTOP];
1395 host->c_cc[VSUSP] = target->c_cc[TARGET_VSUSP];
1396 host->c_cc[VEOL] = target->c_cc[TARGET_VEOL];
1397 host->c_cc[VREPRINT] = target->c_cc[TARGET_VREPRINT];
1398 host->c_cc[VDISCARD] = target->c_cc[TARGET_VDISCARD];
1399 host->c_cc[VWERASE] = target->c_cc[TARGET_VWERASE];
1400 host->c_cc[VLNEXT] = target->c_cc[TARGET_VLNEXT];
1401 host->c_cc[VEOL2] = target->c_cc[TARGET_VEOL2];
1404 static void host_to_target_termios (void *dst, const void *src)
1406 struct target_termios *target = dst;
1407 const struct host_termios *host = src;
1410 tswap32(host_to_target_bitmask(host->c_iflag, iflag_tbl));
1412 tswap32(host_to_target_bitmask(host->c_oflag, oflag_tbl));
1414 tswap32(host_to_target_bitmask(host->c_cflag, cflag_tbl));
1416 tswap32(host_to_target_bitmask(host->c_lflag, lflag_tbl));
1417 target->c_line = host->c_line;
1419 target->c_cc[TARGET_VINTR] = host->c_cc[VINTR];
1420 target->c_cc[TARGET_VQUIT] = host->c_cc[VQUIT];
1421 target->c_cc[TARGET_VERASE] = host->c_cc[VERASE];
1422 target->c_cc[TARGET_VKILL] = host->c_cc[VKILL];
1423 target->c_cc[TARGET_VEOF] = host->c_cc[VEOF];
1424 target->c_cc[TARGET_VTIME] = host->c_cc[VTIME];
1425 target->c_cc[TARGET_VMIN] = host->c_cc[VMIN];
1426 target->c_cc[TARGET_VSWTC] = host->c_cc[VSWTC];
1427 target->c_cc[TARGET_VSTART] = host->c_cc[VSTART];
1428 target->c_cc[TARGET_VSTOP] = host->c_cc[VSTOP];
1429 target->c_cc[TARGET_VSUSP] = host->c_cc[VSUSP];
1430 target->c_cc[TARGET_VEOL] = host->c_cc[VEOL];
1431 target->c_cc[TARGET_VREPRINT] = host->c_cc[VREPRINT];
1432 target->c_cc[TARGET_VDISCARD] = host->c_cc[VDISCARD];
1433 target->c_cc[TARGET_VWERASE] = host->c_cc[VWERASE];
1434 target->c_cc[TARGET_VLNEXT] = host->c_cc[VLNEXT];
1435 target->c_cc[TARGET_VEOL2] = host->c_cc[VEOL2];
1438 StructEntry struct_termios_def = {
1439 .convert = { host_to_target_termios, target_to_host_termios },
1440 .size = { sizeof(struct target_termios), sizeof(struct host_termios) },
1441 .align = { __alignof__(struct target_termios), __alignof__(struct host_termios) },
1444 static bitmask_transtbl mmap_flags_tbl[] = {
1445 { TARGET_MAP_SHARED, TARGET_MAP_SHARED, MAP_SHARED, MAP_SHARED },
1446 { TARGET_MAP_PRIVATE, TARGET_MAP_PRIVATE, MAP_PRIVATE, MAP_PRIVATE },
1447 { TARGET_MAP_FIXED, TARGET_MAP_FIXED, MAP_FIXED, MAP_FIXED },
1448 { TARGET_MAP_ANONYMOUS, TARGET_MAP_ANONYMOUS, MAP_ANONYMOUS, MAP_ANONYMOUS },
1449 { TARGET_MAP_GROWSDOWN, TARGET_MAP_GROWSDOWN, MAP_GROWSDOWN, MAP_GROWSDOWN },
1450 { TARGET_MAP_DENYWRITE, TARGET_MAP_DENYWRITE, MAP_DENYWRITE, MAP_DENYWRITE },
1451 { TARGET_MAP_EXECUTABLE, TARGET_MAP_EXECUTABLE, MAP_EXECUTABLE, MAP_EXECUTABLE },
1452 { TARGET_MAP_LOCKED, TARGET_MAP_LOCKED, MAP_LOCKED, MAP_LOCKED },
1456 static bitmask_transtbl fcntl_flags_tbl[] = {
1457 { TARGET_O_ACCMODE, TARGET_O_WRONLY, O_ACCMODE, O_WRONLY, },
1458 { TARGET_O_ACCMODE, TARGET_O_RDWR, O_ACCMODE, O_RDWR, },
1459 { TARGET_O_CREAT, TARGET_O_CREAT, O_CREAT, O_CREAT, },
1460 { TARGET_O_EXCL, TARGET_O_EXCL, O_EXCL, O_EXCL, },
1461 { TARGET_O_NOCTTY, TARGET_O_NOCTTY, O_NOCTTY, O_NOCTTY, },
1462 { TARGET_O_TRUNC, TARGET_O_TRUNC, O_TRUNC, O_TRUNC, },
1463 { TARGET_O_APPEND, TARGET_O_APPEND, O_APPEND, O_APPEND, },
1464 { TARGET_O_NONBLOCK, TARGET_O_NONBLOCK, O_NONBLOCK, O_NONBLOCK, },
1465 { TARGET_O_SYNC, TARGET_O_SYNC, O_SYNC, O_SYNC, },
1466 { TARGET_FASYNC, TARGET_FASYNC, FASYNC, FASYNC, },
1467 { TARGET_O_DIRECTORY, TARGET_O_DIRECTORY, O_DIRECTORY, O_DIRECTORY, },
1468 { TARGET_O_NOFOLLOW, TARGET_O_NOFOLLOW, O_NOFOLLOW, O_NOFOLLOW, },
1469 { TARGET_O_LARGEFILE, TARGET_O_LARGEFILE, O_LARGEFILE, O_LARGEFILE, },
1470 #if defined(O_DIRECT)
1471 { TARGET_O_DIRECT, TARGET_O_DIRECT, O_DIRECT, O_DIRECT, },
1476 #if defined(TARGET_I386)
1478 /* NOTE: there is really one LDT for all the threads */
1481 static int read_ldt(target_ulong ptr, unsigned long bytecount)
1488 size = TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE;
1489 if (size > bytecount)
1491 p = lock_user(ptr, size, 0);
1492 /* ??? Shoudl this by byteswapped? */
1493 memcpy(p, ldt_table, size);
1494 unlock_user(p, ptr, size);
1498 /* XXX: add locking support */
1499 static int write_ldt(CPUX86State *env,
1500 target_ulong ptr, unsigned long bytecount, int oldmode)
1502 struct target_modify_ldt_ldt_s ldt_info;
1503 struct target_modify_ldt_ldt_s *target_ldt_info;
1504 int seg_32bit, contents, read_exec_only, limit_in_pages;
1505 int seg_not_present, useable;
1506 uint32_t *lp, entry_1, entry_2;
1508 if (bytecount != sizeof(ldt_info))
1510 lock_user_struct(target_ldt_info, ptr, 1);
1511 ldt_info.entry_number = tswap32(target_ldt_info->entry_number);
1512 ldt_info.base_addr = tswapl(target_ldt_info->base_addr);
1513 ldt_info.limit = tswap32(target_ldt_info->limit);
1514 ldt_info.flags = tswap32(target_ldt_info->flags);
1515 unlock_user_struct(target_ldt_info, ptr, 0);
1517 if (ldt_info.entry_number >= TARGET_LDT_ENTRIES)
1519 seg_32bit = ldt_info.flags & 1;
1520 contents = (ldt_info.flags >> 1) & 3;
1521 read_exec_only = (ldt_info.flags >> 3) & 1;
1522 limit_in_pages = (ldt_info.flags >> 4) & 1;
1523 seg_not_present = (ldt_info.flags >> 5) & 1;
1524 useable = (ldt_info.flags >> 6) & 1;
1526 if (contents == 3) {
1529 if (seg_not_present == 0)
1532 /* allocate the LDT */
1534 ldt_table = malloc(TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE);
1537 memset(ldt_table, 0, TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE);
1538 env->ldt.base = h2g(ldt_table);
1539 env->ldt.limit = 0xffff;
1542 /* NOTE: same code as Linux kernel */
1543 /* Allow LDTs to be cleared by the user. */
1544 if (ldt_info.base_addr == 0 && ldt_info.limit == 0) {
1547 read_exec_only == 1 &&
1549 limit_in_pages == 0 &&
1550 seg_not_present == 1 &&
1558 entry_1 = ((ldt_info.base_addr & 0x0000ffff) << 16) |
1559 (ldt_info.limit & 0x0ffff);
1560 entry_2 = (ldt_info.base_addr & 0xff000000) |
1561 ((ldt_info.base_addr & 0x00ff0000) >> 16) |
1562 (ldt_info.limit & 0xf0000) |
1563 ((read_exec_only ^ 1) << 9) |
1565 ((seg_not_present ^ 1) << 15) |
1567 (limit_in_pages << 23) |
1570 entry_2 |= (useable << 20);
1572 /* Install the new entry ... */
1574 lp = (uint32_t *)(ldt_table + (ldt_info.entry_number << 3));
1575 lp[0] = tswap32(entry_1);
1576 lp[1] = tswap32(entry_2);
1580 /* specific and weird i386 syscalls */
1581 int do_modify_ldt(CPUX86State *env, int func, target_ulong ptr, unsigned long bytecount)
1587 ret = read_ldt(ptr, bytecount);
1590 ret = write_ldt(env, ptr, bytecount, 1);
1593 ret = write_ldt(env, ptr, bytecount, 0);
1599 #endif /* defined(TARGET_I386) */
1601 /* this stack is the equivalent of the kernel stack associated with a
1603 #define NEW_STACK_SIZE 8192
1605 static int clone_func(void *arg)
1607 CPUState *env = arg;
1613 int do_fork(CPUState *env, unsigned int flags, unsigned long newsp)
1620 if (flags & CLONE_VM) {
1621 ts = malloc(sizeof(TaskState) + NEW_STACK_SIZE);
1622 memset(ts, 0, sizeof(TaskState));
1623 new_stack = ts->stack;
1625 /* add in task state list */
1626 ts->next = first_task_state;
1627 first_task_state = ts;
1628 /* we create a new CPU instance. */
1629 new_env = cpu_init();
1630 memcpy(new_env, env, sizeof(CPUState));
1631 #if defined(TARGET_I386)
1633 newsp = env->regs[R_ESP];
1634 new_env->regs[R_ESP] = newsp;
1635 new_env->regs[R_EAX] = 0;
1636 #elif defined(TARGET_ARM)
1638 newsp = env->regs[13];
1639 new_env->regs[13] = newsp;
1640 new_env->regs[0] = 0;
1641 #elif defined(TARGET_SPARC)
1643 newsp = env->regwptr[22];
1644 new_env->regwptr[22] = newsp;
1645 new_env->regwptr[0] = 0;
1647 printf ("HELPME: %s:%d\n", __FILE__, __LINE__);
1648 #elif defined(TARGET_MIPS)
1649 printf ("HELPME: %s:%d\n", __FILE__, __LINE__);
1650 #elif defined(TARGET_PPC)
1652 newsp = env->gpr[1];
1653 new_env->gpr[1] = newsp;
1656 for (i = 7; i < 32; i++)
1657 new_env->gpr[i] = 0;
1659 #elif defined(TARGET_SH4)
1661 newsp = env->gregs[15];
1662 new_env->gregs[15] = newsp;
1665 #error unsupported target CPU
1667 new_env->opaque = ts;
1669 ret = __clone2(clone_func, new_stack + NEW_STACK_SIZE, flags, new_env);
1671 ret = clone(clone_func, new_stack + NEW_STACK_SIZE, flags, new_env);
1674 /* if no CLONE_VM, we consider it is a fork */
1675 if ((flags & ~CSIGNAL) != 0)
1682 static long do_fcntl(int fd, int cmd, target_ulong arg)
1685 struct target_flock *target_fl;
1689 case TARGET_F_GETLK:
1690 ret = fcntl(fd, cmd, &fl);
1692 lock_user_struct(target_fl, arg, 0);
1693 target_fl->l_type = tswap16(fl.l_type);
1694 target_fl->l_whence = tswap16(fl.l_whence);
1695 target_fl->l_start = tswapl(fl.l_start);
1696 target_fl->l_len = tswapl(fl.l_len);
1697 target_fl->l_pid = tswapl(fl.l_pid);
1698 unlock_user_struct(target_fl, arg, 1);
1702 case TARGET_F_SETLK:
1703 case TARGET_F_SETLKW:
1704 lock_user_struct(target_fl, arg, 1);
1705 fl.l_type = tswap16(target_fl->l_type);
1706 fl.l_whence = tswap16(target_fl->l_whence);
1707 fl.l_start = tswapl(target_fl->l_start);
1708 fl.l_len = tswapl(target_fl->l_len);
1709 fl.l_pid = tswapl(target_fl->l_pid);
1710 unlock_user_struct(target_fl, arg, 0);
1711 ret = fcntl(fd, cmd, &fl);
1714 case TARGET_F_GETLK64:
1715 case TARGET_F_SETLK64:
1716 case TARGET_F_SETLKW64:
1722 ret = fcntl(fd, cmd, arg);
1723 ret = host_to_target_bitmask(ret, fcntl_flags_tbl);
1727 ret = fcntl(fd, cmd, target_to_host_bitmask(arg, fcntl_flags_tbl));
1731 ret = fcntl(fd, cmd, arg);
1739 static inline int high2lowuid(int uid)
1747 static inline int high2lowgid(int gid)
1755 static inline int low2highuid(int uid)
1757 if ((int16_t)uid == -1)
1763 static inline int low2highgid(int gid)
1765 if ((int16_t)gid == -1)
1771 #endif /* USE_UID16 */
1773 void syscall_init(void)
1776 const argtype *arg_type;
1779 #define STRUCT(name, list...) thunk_register_struct(STRUCT_ ## name, #name, struct_ ## name ## _def);
1780 #define STRUCT_SPECIAL(name) thunk_register_struct_direct(STRUCT_ ## name, #name, &struct_ ## name ## _def);
1781 #include "syscall_types.h"
1783 #undef STRUCT_SPECIAL
1785 /* we patch the ioctl size if necessary. We rely on the fact that
1786 no ioctl has all the bits at '1' in the size field */
1788 while (ie->target_cmd != 0) {
1789 if (((ie->target_cmd >> TARGET_IOC_SIZESHIFT) & TARGET_IOC_SIZEMASK) ==
1790 TARGET_IOC_SIZEMASK) {
1791 arg_type = ie->arg_type;
1792 if (arg_type[0] != TYPE_PTR) {
1793 fprintf(stderr, "cannot patch size for ioctl 0x%x\n",
1798 size = thunk_type_size(arg_type, 0);
1799 ie->target_cmd = (ie->target_cmd &
1800 ~(TARGET_IOC_SIZEMASK << TARGET_IOC_SIZESHIFT)) |
1801 (size << TARGET_IOC_SIZESHIFT);
1803 /* automatic consistency check if same arch */
1804 #if defined(__i386__) && defined(TARGET_I386)
1805 if (ie->target_cmd != ie->host_cmd) {
1806 fprintf(stderr, "ERROR: ioctl: target=0x%x host=0x%x\n",
1807 ie->target_cmd, ie->host_cmd);
1814 static inline uint64_t target_offset64(uint32_t word0, uint32_t word1)
1816 #ifdef TARGET_WORDS_BIG_ENDIAN
1817 return ((uint64_t)word0 << 32) | word1;
1819 return ((uint64_t)word1 << 32) | word0;
1823 #ifdef TARGET_NR_truncate64
1824 static inline long target_truncate64(void *cpu_env, const char *arg1,
1825 long arg2, long arg3, long arg4)
1828 if (((CPUARMState *)cpu_env)->eabi)
1834 return get_errno(truncate64(arg1, target_offset64(arg2, arg3)));
1838 #ifdef TARGET_NR_ftruncate64
1839 static inline long target_ftruncate64(void *cpu_env, long arg1, long arg2,
1840 long arg3, long arg4)
1843 if (((CPUARMState *)cpu_env)->eabi)
1849 return get_errno(ftruncate64(arg1, target_offset64(arg2, arg3)));
1853 static inline void target_to_host_timespec(struct timespec *host_ts,
1854 target_ulong target_addr)
1856 struct target_timespec *target_ts;
1858 lock_user_struct(target_ts, target_addr, 1);
1859 host_ts->tv_sec = tswapl(target_ts->tv_sec);
1860 host_ts->tv_nsec = tswapl(target_ts->tv_nsec);
1861 unlock_user_struct(target_ts, target_addr, 0);
1864 static inline void host_to_target_timespec(target_ulong target_addr,
1865 struct timespec *host_ts)
1867 struct target_timespec *target_ts;
1869 lock_user_struct(target_ts, target_addr, 0);
1870 target_ts->tv_sec = tswapl(host_ts->tv_sec);
1871 target_ts->tv_nsec = tswapl(host_ts->tv_nsec);
1872 unlock_user_struct(target_ts, target_addr, 1);
1875 long do_syscall(void *cpu_env, int num, long arg1, long arg2, long arg3,
1876 long arg4, long arg5, long arg6)
1884 gemu_log("syscall %d", num);
1887 case TARGET_NR_exit:
1891 gdb_exit(cpu_env, arg1);
1892 /* XXX: should free thread stack and CPU env */
1894 ret = 0; /* avoid warning */
1896 case TARGET_NR_read:
1897 page_unprotect_range(arg2, arg3);
1898 p = lock_user(arg2, arg3, 0);
1899 ret = get_errno(read(arg1, p, arg3));
1900 unlock_user(p, arg2, ret);
1902 case TARGET_NR_write:
1903 p = lock_user(arg2, arg3, 1);
1904 ret = get_errno(write(arg1, p, arg3));
1905 unlock_user(p, arg2, 0);
1907 case TARGET_NR_open:
1908 p = lock_user_string(arg1);
1909 ret = get_errno(open(path(p),
1910 target_to_host_bitmask(arg2, fcntl_flags_tbl),
1912 unlock_user(p, arg1, 0);
1914 case TARGET_NR_close:
1915 ret = get_errno(close(arg1));
1920 case TARGET_NR_fork:
1921 ret = get_errno(do_fork(cpu_env, SIGCHLD, 0));
1923 case TARGET_NR_waitpid:
1926 ret = get_errno(waitpid(arg1, &status, arg3));
1927 if (!is_error(ret) && arg2)
1928 tput32(arg2, status);
1931 case TARGET_NR_creat:
1932 p = lock_user_string(arg1);
1933 ret = get_errno(creat(p, arg2));
1934 unlock_user(p, arg1, 0);
1936 case TARGET_NR_link:
1939 p = lock_user_string(arg1);
1940 p2 = lock_user_string(arg2);
1941 ret = get_errno(link(p, p2));
1942 unlock_user(p2, arg2, 0);
1943 unlock_user(p, arg1, 0);
1946 case TARGET_NR_unlink:
1947 p = lock_user_string(arg1);
1948 ret = get_errno(unlink(p));
1949 unlock_user(p, arg1, 0);
1951 case TARGET_NR_execve:
1953 char **argp, **envp;
1956 target_ulong guest_argp;
1957 target_ulong guest_envp;
1963 for (gp = guest_argp; tgetl(gp); gp++)
1967 for (gp = guest_envp; tgetl(gp); gp++)
1970 argp = alloca((argc + 1) * sizeof(void *));
1971 envp = alloca((envc + 1) * sizeof(void *));
1973 for (gp = guest_argp, q = argp; ;
1974 gp += sizeof(target_ulong), q++) {
1978 *q = lock_user_string(addr);
1982 for (gp = guest_envp, q = envp; ;
1983 gp += sizeof(target_ulong), q++) {
1987 *q = lock_user_string(addr);
1991 p = lock_user_string(arg1);
1992 ret = get_errno(execve(p, argp, envp));
1993 unlock_user(p, arg1, 0);
1995 for (gp = guest_argp, q = argp; *q;
1996 gp += sizeof(target_ulong), q++) {
1998 unlock_user(*q, addr, 0);
2000 for (gp = guest_envp, q = envp; *q;
2001 gp += sizeof(target_ulong), q++) {
2003 unlock_user(*q, addr, 0);
2007 case TARGET_NR_chdir:
2008 p = lock_user_string(arg1);
2009 ret = get_errno(chdir(p));
2010 unlock_user(p, arg1, 0);
2012 #ifdef TARGET_NR_time
2013 case TARGET_NR_time:
2016 ret = get_errno(time(&host_time));
2017 if (!is_error(ret) && arg1)
2018 tputl(arg1, host_time);
2022 case TARGET_NR_mknod:
2023 p = lock_user_string(arg1);
2024 ret = get_errno(mknod(p, arg2, arg3));
2025 unlock_user(p, arg1, 0);
2027 case TARGET_NR_chmod:
2028 p = lock_user_string(arg1);
2029 ret = get_errno(chmod(p, arg2));
2030 unlock_user(p, arg1, 0);
2032 #ifdef TARGET_NR_break
2033 case TARGET_NR_break:
2036 #ifdef TARGET_NR_oldstat
2037 case TARGET_NR_oldstat:
2040 case TARGET_NR_lseek:
2041 ret = get_errno(lseek(arg1, arg2, arg3));
2043 case TARGET_NR_getpid:
2044 ret = get_errno(getpid());
2046 case TARGET_NR_mount:
2047 /* need to look at the data field */
2049 case TARGET_NR_umount:
2050 p = lock_user_string(arg1);
2051 ret = get_errno(umount(p));
2052 unlock_user(p, arg1, 0);
2054 case TARGET_NR_stime:
2057 host_time = tgetl(arg1);
2058 ret = get_errno(stime(&host_time));
2061 case TARGET_NR_ptrace:
2063 case TARGET_NR_alarm:
2066 #ifdef TARGET_NR_oldfstat
2067 case TARGET_NR_oldfstat:
2070 case TARGET_NR_pause:
2071 ret = get_errno(pause());
2073 case TARGET_NR_utime:
2075 struct utimbuf tbuf, *host_tbuf;
2076 struct target_utimbuf *target_tbuf;
2078 lock_user_struct(target_tbuf, arg2, 1);
2079 tbuf.actime = tswapl(target_tbuf->actime);
2080 tbuf.modtime = tswapl(target_tbuf->modtime);
2081 unlock_user_struct(target_tbuf, arg2, 0);
2086 p = lock_user_string(arg1);
2087 ret = get_errno(utime(p, host_tbuf));
2088 unlock_user(p, arg1, 0);
2091 case TARGET_NR_utimes:
2093 struct timeval *tvp, tv[2];
2095 target_to_host_timeval(&tv[0], arg2);
2096 target_to_host_timeval(&tv[1],
2097 arg2 + sizeof (struct target_timeval));
2102 p = lock_user_string(arg1);
2103 ret = get_errno(utimes(p, tvp));
2104 unlock_user(p, arg1, 0);
2107 #ifdef TARGET_NR_stty
2108 case TARGET_NR_stty:
2111 #ifdef TARGET_NR_gtty
2112 case TARGET_NR_gtty:
2115 case TARGET_NR_access:
2116 p = lock_user_string(arg1);
2117 ret = get_errno(access(p, arg2));
2118 unlock_user(p, arg1, 0);
2120 case TARGET_NR_nice:
2121 ret = get_errno(nice(arg1));
2123 #ifdef TARGET_NR_ftime
2124 case TARGET_NR_ftime:
2127 case TARGET_NR_sync:
2131 case TARGET_NR_kill:
2132 ret = get_errno(kill(arg1, arg2));
2134 case TARGET_NR_rename:
2137 p = lock_user_string(arg1);
2138 p2 = lock_user_string(arg2);
2139 ret = get_errno(rename(p, p2));
2140 unlock_user(p2, arg2, 0);
2141 unlock_user(p, arg1, 0);
2144 case TARGET_NR_mkdir:
2145 p = lock_user_string(arg1);
2146 ret = get_errno(mkdir(p, arg2));
2147 unlock_user(p, arg1, 0);
2149 case TARGET_NR_rmdir:
2150 p = lock_user_string(arg1);
2151 ret = get_errno(rmdir(p));
2152 unlock_user(p, arg1, 0);
2155 ret = get_errno(dup(arg1));
2157 case TARGET_NR_pipe:
2160 ret = get_errno(pipe(host_pipe));
2161 if (!is_error(ret)) {
2162 tput32(arg1, host_pipe[0]);
2163 tput32(arg1 + 4, host_pipe[1]);
2167 case TARGET_NR_times:
2169 struct target_tms *tmsp;
2171 ret = get_errno(times(&tms));
2173 tmsp = lock_user(arg1, sizeof(struct target_tms), 0);
2174 tmsp->tms_utime = tswapl(host_to_target_clock_t(tms.tms_utime));
2175 tmsp->tms_stime = tswapl(host_to_target_clock_t(tms.tms_stime));
2176 tmsp->tms_cutime = tswapl(host_to_target_clock_t(tms.tms_cutime));
2177 tmsp->tms_cstime = tswapl(host_to_target_clock_t(tms.tms_cstime));
2180 ret = host_to_target_clock_t(ret);
2183 #ifdef TARGET_NR_prof
2184 case TARGET_NR_prof:
2187 case TARGET_NR_signal:
2190 case TARGET_NR_acct:
2191 p = lock_user_string(arg1);
2192 ret = get_errno(acct(path(p)));
2193 unlock_user(p, arg1, 0);
2195 case TARGET_NR_umount2:
2196 p = lock_user_string(arg1);
2197 ret = get_errno(umount2(p, arg2));
2198 unlock_user(p, arg1, 0);
2200 #ifdef TARGET_NR_lock
2201 case TARGET_NR_lock:
2204 case TARGET_NR_ioctl:
2205 ret = do_ioctl(arg1, arg2, arg3);
2207 case TARGET_NR_fcntl:
2208 ret = get_errno(do_fcntl(arg1, arg2, arg3));
2210 #ifdef TARGET_NR_mpx
2214 case TARGET_NR_setpgid:
2215 ret = get_errno(setpgid(arg1, arg2));
2217 #ifdef TARGET_NR_ulimit
2218 case TARGET_NR_ulimit:
2221 #ifdef TARGET_NR_oldolduname
2222 case TARGET_NR_oldolduname:
2225 case TARGET_NR_umask:
2226 ret = get_errno(umask(arg1));
2228 case TARGET_NR_chroot:
2229 p = lock_user_string(arg1);
2230 ret = get_errno(chroot(p));
2231 unlock_user(p, arg1, 0);
2233 case TARGET_NR_ustat:
2235 case TARGET_NR_dup2:
2236 ret = get_errno(dup2(arg1, arg2));
2238 case TARGET_NR_getppid:
2239 ret = get_errno(getppid());
2241 case TARGET_NR_getpgrp:
2242 ret = get_errno(getpgrp());
2244 case TARGET_NR_setsid:
2245 ret = get_errno(setsid());
2247 case TARGET_NR_sigaction:
2249 #if !defined(TARGET_MIPS)
2250 struct target_old_sigaction *old_act;
2251 struct target_sigaction act, oact, *pact;
2253 lock_user_struct(old_act, arg2, 1);
2254 act._sa_handler = old_act->_sa_handler;
2255 target_siginitset(&act.sa_mask, old_act->sa_mask);
2256 act.sa_flags = old_act->sa_flags;
2257 act.sa_restorer = old_act->sa_restorer;
2258 unlock_user_struct(old_act, arg2, 0);
2263 ret = get_errno(do_sigaction(arg1, pact, &oact));
2264 if (!is_error(ret) && arg3) {
2265 lock_user_struct(old_act, arg3, 0);
2266 old_act->_sa_handler = oact._sa_handler;
2267 old_act->sa_mask = oact.sa_mask.sig[0];
2268 old_act->sa_flags = oact.sa_flags;
2269 old_act->sa_restorer = oact.sa_restorer;
2270 unlock_user_struct(old_act, arg3, 1);
2273 struct target_sigaction act, oact, *pact, *old_act;
2276 lock_user_struct(old_act, arg2, 1);
2277 act._sa_handler = old_act->_sa_handler;
2278 target_siginitset(&act.sa_mask, old_act->sa_mask.sig[0]);
2279 act.sa_flags = old_act->sa_flags;
2280 unlock_user_struct(old_act, arg2, 0);
2286 ret = get_errno(do_sigaction(arg1, pact, &oact));
2288 if (!is_error(ret) && arg3) {
2289 lock_user_struct(old_act, arg3, 0);
2290 old_act->_sa_handler = oact._sa_handler;
2291 old_act->sa_flags = oact.sa_flags;
2292 old_act->sa_mask.sig[0] = oact.sa_mask.sig[0];
2293 old_act->sa_mask.sig[1] = 0;
2294 old_act->sa_mask.sig[2] = 0;
2295 old_act->sa_mask.sig[3] = 0;
2296 unlock_user_struct(old_act, arg3, 1);
2301 case TARGET_NR_rt_sigaction:
2303 struct target_sigaction *act;
2304 struct target_sigaction *oact;
2307 lock_user_struct(act, arg2, 1);
2311 lock_user_struct(oact, arg3, 0);
2314 ret = get_errno(do_sigaction(arg1, act, oact));
2316 unlock_user_struct(act, arg2, 0);
2318 unlock_user_struct(oact, arg3, 1);
2321 case TARGET_NR_sgetmask:
2324 target_ulong target_set;
2325 sigprocmask(0, NULL, &cur_set);
2326 host_to_target_old_sigset(&target_set, &cur_set);
2330 case TARGET_NR_ssetmask:
2332 sigset_t set, oset, cur_set;
2333 target_ulong target_set = arg1;
2334 sigprocmask(0, NULL, &cur_set);
2335 target_to_host_old_sigset(&set, &target_set);
2336 sigorset(&set, &set, &cur_set);
2337 sigprocmask(SIG_SETMASK, &set, &oset);
2338 host_to_target_old_sigset(&target_set, &oset);
2342 case TARGET_NR_sigprocmask:
2345 sigset_t set, oldset, *set_ptr;
2349 case TARGET_SIG_BLOCK:
2352 case TARGET_SIG_UNBLOCK:
2355 case TARGET_SIG_SETMASK:
2362 p = lock_user(arg2, sizeof(target_sigset_t), 1);
2363 target_to_host_old_sigset(&set, p);
2364 unlock_user(p, arg2, 0);
2370 ret = get_errno(sigprocmask(arg1, set_ptr, &oldset));
2371 if (!is_error(ret) && arg3) {
2372 p = lock_user(arg3, sizeof(target_sigset_t), 0);
2373 host_to_target_old_sigset(p, &oldset);
2374 unlock_user(p, arg3, sizeof(target_sigset_t));
2378 case TARGET_NR_rt_sigprocmask:
2381 sigset_t set, oldset, *set_ptr;
2385 case TARGET_SIG_BLOCK:
2388 case TARGET_SIG_UNBLOCK:
2391 case TARGET_SIG_SETMASK:
2398 p = lock_user(arg2, sizeof(target_sigset_t), 1);
2399 target_to_host_sigset(&set, p);
2400 unlock_user(p, arg2, 0);
2406 ret = get_errno(sigprocmask(how, set_ptr, &oldset));
2407 if (!is_error(ret) && arg3) {
2408 p = lock_user(arg3, sizeof(target_sigset_t), 0);
2409 host_to_target_sigset(p, &oldset);
2410 unlock_user(p, arg3, sizeof(target_sigset_t));
2414 case TARGET_NR_sigpending:
2417 ret = get_errno(sigpending(&set));
2418 if (!is_error(ret)) {
2419 p = lock_user(arg1, sizeof(target_sigset_t), 0);
2420 host_to_target_old_sigset(p, &set);
2421 unlock_user(p, arg1, sizeof(target_sigset_t));
2425 case TARGET_NR_rt_sigpending:
2428 ret = get_errno(sigpending(&set));
2429 if (!is_error(ret)) {
2430 p = lock_user(arg1, sizeof(target_sigset_t), 0);
2431 host_to_target_sigset(p, &set);
2432 unlock_user(p, arg1, sizeof(target_sigset_t));
2436 case TARGET_NR_sigsuspend:
2439 p = lock_user(arg1, sizeof(target_sigset_t), 1);
2440 target_to_host_old_sigset(&set, p);
2441 unlock_user(p, arg1, 0);
2442 ret = get_errno(sigsuspend(&set));
2445 case TARGET_NR_rt_sigsuspend:
2448 p = lock_user(arg1, sizeof(target_sigset_t), 1);
2449 target_to_host_sigset(&set, p);
2450 unlock_user(p, arg1, 0);
2451 ret = get_errno(sigsuspend(&set));
2454 case TARGET_NR_rt_sigtimedwait:
2457 struct timespec uts, *puts;
2460 p = lock_user(arg1, sizeof(target_sigset_t), 1);
2461 target_to_host_sigset(&set, p);
2462 unlock_user(p, arg1, 0);
2465 target_to_host_timespec(puts, arg3);
2469 ret = get_errno(sigtimedwait(&set, &uinfo, puts));
2470 if (!is_error(ret) && arg2) {
2471 p = lock_user(arg2, sizeof(target_sigset_t), 0);
2472 host_to_target_siginfo(p, &uinfo);
2473 unlock_user(p, arg2, sizeof(target_sigset_t));
2477 case TARGET_NR_rt_sigqueueinfo:
2480 p = lock_user(arg3, sizeof(target_sigset_t), 1);
2481 target_to_host_siginfo(&uinfo, p);
2482 unlock_user(p, arg1, 0);
2483 ret = get_errno(sys_rt_sigqueueinfo(arg1, arg2, &uinfo));
2486 case TARGET_NR_sigreturn:
2487 /* NOTE: ret is eax, so not transcoding must be done */
2488 ret = do_sigreturn(cpu_env);
2490 case TARGET_NR_rt_sigreturn:
2491 /* NOTE: ret is eax, so not transcoding must be done */
2492 ret = do_rt_sigreturn(cpu_env);
2494 case TARGET_NR_sethostname:
2495 p = lock_user_string(arg1);
2496 ret = get_errno(sethostname(p, arg2));
2497 unlock_user(p, arg1, 0);
2499 case TARGET_NR_setrlimit:
2501 /* XXX: convert resource ? */
2502 int resource = arg1;
2503 struct target_rlimit *target_rlim;
2505 lock_user_struct(target_rlim, arg2, 1);
2506 rlim.rlim_cur = tswapl(target_rlim->rlim_cur);
2507 rlim.rlim_max = tswapl(target_rlim->rlim_max);
2508 unlock_user_struct(target_rlim, arg2, 0);
2509 ret = get_errno(setrlimit(resource, &rlim));
2512 case TARGET_NR_getrlimit:
2514 /* XXX: convert resource ? */
2515 int resource = arg1;
2516 struct target_rlimit *target_rlim;
2519 ret = get_errno(getrlimit(resource, &rlim));
2520 if (!is_error(ret)) {
2521 lock_user_struct(target_rlim, arg2, 0);
2522 rlim.rlim_cur = tswapl(target_rlim->rlim_cur);
2523 rlim.rlim_max = tswapl(target_rlim->rlim_max);
2524 unlock_user_struct(target_rlim, arg2, 1);
2528 case TARGET_NR_getrusage:
2530 struct rusage rusage;
2531 ret = get_errno(getrusage(arg1, &rusage));
2532 if (!is_error(ret)) {
2533 host_to_target_rusage(arg2, &rusage);
2537 case TARGET_NR_gettimeofday:
2540 ret = get_errno(gettimeofday(&tv, NULL));
2541 if (!is_error(ret)) {
2542 host_to_target_timeval(arg1, &tv);
2546 case TARGET_NR_settimeofday:
2549 target_to_host_timeval(&tv, arg1);
2550 ret = get_errno(settimeofday(&tv, NULL));
2553 #ifdef TARGET_NR_select
2554 case TARGET_NR_select:
2556 struct target_sel_arg_struct *sel;
2557 target_ulong inp, outp, exp, tvp;
2560 lock_user_struct(sel, arg1, 1);
2561 nsel = tswapl(sel->n);
2562 inp = tswapl(sel->inp);
2563 outp = tswapl(sel->outp);
2564 exp = tswapl(sel->exp);
2565 tvp = tswapl(sel->tvp);
2566 unlock_user_struct(sel, arg1, 0);
2567 ret = do_select(nsel, inp, outp, exp, tvp);
2571 case TARGET_NR_symlink:
2574 p = lock_user_string(arg1);
2575 p2 = lock_user_string(arg2);
2576 ret = get_errno(symlink(p, p2));
2577 unlock_user(p2, arg2, 0);
2578 unlock_user(p, arg1, 0);
2581 #ifdef TARGET_NR_oldlstat
2582 case TARGET_NR_oldlstat:
2585 case TARGET_NR_readlink:
2588 p = lock_user_string(arg1);
2589 p2 = lock_user(arg2, arg3, 0);
2590 ret = get_errno(readlink(path(p), p2, arg3));
2591 unlock_user(p2, arg2, ret);
2592 unlock_user(p, arg1, 0);
2595 case TARGET_NR_uselib:
2597 case TARGET_NR_swapon:
2598 p = lock_user_string(arg1);
2599 ret = get_errno(swapon(p, arg2));
2600 unlock_user(p, arg1, 0);
2602 case TARGET_NR_reboot:
2604 case TARGET_NR_readdir:
2606 case TARGET_NR_mmap:
2607 #if defined(TARGET_I386) || defined(TARGET_ARM)
2610 target_ulong v1, v2, v3, v4, v5, v6;
2611 v = lock_user(arg1, 6 * sizeof(target_ulong), 1);
2618 unlock_user(v, arg1, 0);
2619 ret = get_errno(target_mmap(v1, v2, v3,
2620 target_to_host_bitmask(v4, mmap_flags_tbl),
2624 ret = get_errno(target_mmap(arg1, arg2, arg3,
2625 target_to_host_bitmask(arg4, mmap_flags_tbl),
2630 #ifdef TARGET_NR_mmap2
2631 case TARGET_NR_mmap2:
2632 #if defined(TARGET_SPARC)
2633 #define MMAP_SHIFT 12
2635 #define MMAP_SHIFT TARGET_PAGE_BITS
2637 ret = get_errno(target_mmap(arg1, arg2, arg3,
2638 target_to_host_bitmask(arg4, mmap_flags_tbl),
2640 arg6 << MMAP_SHIFT));
2643 case TARGET_NR_munmap:
2644 ret = get_errno(target_munmap(arg1, arg2));
2646 case TARGET_NR_mprotect:
2647 ret = get_errno(target_mprotect(arg1, arg2, arg3));
2649 case TARGET_NR_mremap:
2650 ret = get_errno(target_mremap(arg1, arg2, arg3, arg4, arg5));
2652 /* ??? msync/mlock/munlock are broken for softmmu. */
2653 case TARGET_NR_msync:
2654 ret = get_errno(msync(g2h(arg1), arg2, arg3));
2656 case TARGET_NR_mlock:
2657 ret = get_errno(mlock(g2h(arg1), arg2));
2659 case TARGET_NR_munlock:
2660 ret = get_errno(munlock(g2h(arg1), arg2));
2662 case TARGET_NR_mlockall:
2663 ret = get_errno(mlockall(arg1));
2665 case TARGET_NR_munlockall:
2666 ret = get_errno(munlockall());
2668 case TARGET_NR_truncate:
2669 p = lock_user_string(arg1);
2670 ret = get_errno(truncate(p, arg2));
2671 unlock_user(p, arg1, 0);
2673 case TARGET_NR_ftruncate:
2674 ret = get_errno(ftruncate(arg1, arg2));
2676 case TARGET_NR_fchmod:
2677 ret = get_errno(fchmod(arg1, arg2));
2679 case TARGET_NR_getpriority:
2680 ret = get_errno(getpriority(arg1, arg2));
2682 case TARGET_NR_setpriority:
2683 ret = get_errno(setpriority(arg1, arg2, arg3));
2685 #ifdef TARGET_NR_profil
2686 case TARGET_NR_profil:
2689 case TARGET_NR_statfs:
2690 p = lock_user_string(arg1);
2691 ret = get_errno(statfs(path(p), &stfs));
2692 unlock_user(p, arg1, 0);
2694 if (!is_error(ret)) {
2695 struct target_statfs *target_stfs;
2697 lock_user_struct(target_stfs, arg2, 0);
2698 /* ??? put_user is probably wrong. */
2699 put_user(stfs.f_type, &target_stfs->f_type);
2700 put_user(stfs.f_bsize, &target_stfs->f_bsize);
2701 put_user(stfs.f_blocks, &target_stfs->f_blocks);
2702 put_user(stfs.f_bfree, &target_stfs->f_bfree);
2703 put_user(stfs.f_bavail, &target_stfs->f_bavail);
2704 put_user(stfs.f_files, &target_stfs->f_files);
2705 put_user(stfs.f_ffree, &target_stfs->f_ffree);
2706 put_user(stfs.f_fsid.__val[0], &target_stfs->f_fsid);
2707 put_user(stfs.f_namelen, &target_stfs->f_namelen);
2708 unlock_user_struct(target_stfs, arg2, 1);
2711 case TARGET_NR_fstatfs:
2712 ret = get_errno(fstatfs(arg1, &stfs));
2713 goto convert_statfs;
2714 #ifdef TARGET_NR_statfs64
2715 case TARGET_NR_statfs64:
2716 p = lock_user_string(arg1);
2717 ret = get_errno(statfs(path(p), &stfs));
2718 unlock_user(p, arg1, 0);
2720 if (!is_error(ret)) {
2721 struct target_statfs64 *target_stfs;
2723 lock_user_struct(target_stfs, arg3, 0);
2724 /* ??? put_user is probably wrong. */
2725 put_user(stfs.f_type, &target_stfs->f_type);
2726 put_user(stfs.f_bsize, &target_stfs->f_bsize);
2727 put_user(stfs.f_blocks, &target_stfs->f_blocks);
2728 put_user(stfs.f_bfree, &target_stfs->f_bfree);
2729 put_user(stfs.f_bavail, &target_stfs->f_bavail);
2730 put_user(stfs.f_files, &target_stfs->f_files);
2731 put_user(stfs.f_ffree, &target_stfs->f_ffree);
2732 put_user(stfs.f_fsid.__val[0], &target_stfs->f_fsid);
2733 put_user(stfs.f_namelen, &target_stfs->f_namelen);
2734 unlock_user_struct(target_stfs, arg3, 0);
2737 case TARGET_NR_fstatfs64:
2738 ret = get_errno(fstatfs(arg1, &stfs));
2739 goto convert_statfs64;
2741 #ifdef TARGET_NR_ioperm
2742 case TARGET_NR_ioperm:
2745 case TARGET_NR_socketcall:
2746 ret = do_socketcall(arg1, arg2);
2749 #ifdef TARGET_NR_accept
2750 case TARGET_NR_accept:
2751 ret = do_socketcallwrapper(SOCKOP_accept, arg1, arg2, arg3, arg4, arg5, arg6);
2754 #ifdef TARGET_NR_bind
2755 case TARGET_NR_bind:
2756 ret = do_bind(arg1, arg2, arg3);
2759 #ifdef TARGET_NR_connect
2760 case TARGET_NR_connect:
2761 ret = do_connect(arg1, arg2, arg3);
2764 #ifdef TARGET_NR_getpeername
2765 case TARGET_NR_getpeername:
2766 ret = do_socketcallwrapper(SOCKOP_getpeername, arg1, arg2, arg3, arg4, arg5, arg6);
2769 #ifdef TARGET_NR_getsockname
2770 case TARGET_NR_getsockname:
2771 ret = do_socketcallwrapper(SOCKOP_getsockname, arg1, arg2, arg3, arg4, arg5, arg6);
2774 #ifdef TARGET_NR_getsockopt
2775 case TARGET_NR_getsockopt:
2776 ret = do_getsockopt(arg1, arg2, arg3, arg4, arg5);
2779 #ifdef TARGET_NR_listen
2780 case TARGET_NR_listen:
2781 ret = do_socketcallwrapper(SOCKOP_listen, arg1, arg2, arg3, arg4, arg5, arg6);
2784 #ifdef TARGET_NR_recv
2785 case TARGET_NR_recv:
2786 ret = do_socketcallwrapper(SOCKOP_recv, arg1, arg2, arg3, arg4, arg5, arg6);
2789 #ifdef TARGET_NR_recvfrom
2790 case TARGET_NR_recvfrom:
2791 ret = do_socketcallwrapper(SOCKOP_recvfrom, arg1, arg2, arg3, arg4, arg5, arg6);
2794 #ifdef TARGET_NR_recvmsg
2795 case TARGET_NR_recvmsg:
2796 ret = do_sendrecvmsg(arg1, arg2, arg3, 0);
2799 #ifdef TARGET_NR_send
2800 case TARGET_NR_send:
2801 ret = do_socketcallwrapper(SOCKOP_send, arg1, arg2, arg3, arg4, arg5, arg6);
2804 #ifdef TARGET_NR_sendmsg
2805 case TARGET_NR_sendmsg:
2806 ret = do_sendrecvmsg(arg1, arg2, arg3, 1);
2809 #ifdef TARGET_NR_sendto
2810 case TARGET_NR_sendto:
2811 ret = do_socketcallwrapper(SOCKOP_sendto, arg1, arg2, arg3, arg4, arg5, arg6);
2814 #ifdef TARGET_NR_shutdown
2815 case TARGET_NR_shutdown:
2816 ret = do_socketcallwrapper(SOCKOP_shutdown, arg1, arg2, arg3, arg4, arg5, arg6);
2819 #ifdef TARGET_NR_socket
2820 case TARGET_NR_socket:
2821 ret = do_socket(arg1, arg2, arg3);
2824 #ifdef TARGET_NR_socketpair
2825 case TARGET_NR_socketpair:
2826 ret = do_socketcallwrapper(SOCKOP_socketpair, arg1, arg2, arg3, arg4, arg5, arg6);
2829 #ifdef TARGET_NR_setsockopt
2830 case TARGET_NR_setsockopt:
2831 ret = do_setsockopt(arg1, arg2, arg3, arg4, (socklen_t) arg5);
2835 case TARGET_NR_syslog:
2837 case TARGET_NR_setitimer:
2839 struct itimerval value, ovalue, *pvalue;
2843 target_to_host_timeval(&pvalue->it_interval,
2845 target_to_host_timeval(&pvalue->it_value,
2846 arg2 + sizeof(struct target_timeval));
2850 ret = get_errno(setitimer(arg1, pvalue, &ovalue));
2851 if (!is_error(ret) && arg3) {
2852 host_to_target_timeval(arg3,
2853 &ovalue.it_interval);
2854 host_to_target_timeval(arg3 + sizeof(struct target_timeval),
2859 case TARGET_NR_getitimer:
2861 struct itimerval value;
2863 ret = get_errno(getitimer(arg1, &value));
2864 if (!is_error(ret) && arg2) {
2865 host_to_target_timeval(arg2,
2866 &value.it_interval);
2867 host_to_target_timeval(arg2 + sizeof(struct target_timeval),
2872 case TARGET_NR_stat:
2873 p = lock_user_string(arg1);
2874 ret = get_errno(stat(path(p), &st));
2875 unlock_user(p, arg1, 0);
2877 case TARGET_NR_lstat:
2878 p = lock_user_string(arg1);
2879 ret = get_errno(lstat(path(p), &st));
2880 unlock_user(p, arg1, 0);
2882 case TARGET_NR_fstat:
2884 ret = get_errno(fstat(arg1, &st));
2886 if (!is_error(ret)) {
2887 struct target_stat *target_st;
2889 lock_user_struct(target_st, arg2, 0);
2890 target_st->st_dev = tswap16(st.st_dev);
2891 target_st->st_ino = tswapl(st.st_ino);
2892 #if defined(TARGET_PPC)
2893 target_st->st_mode = tswapl(st.st_mode); /* XXX: check this */
2894 target_st->st_uid = tswap32(st.st_uid);
2895 target_st->st_gid = tswap32(st.st_gid);
2897 target_st->st_mode = tswap16(st.st_mode);
2898 target_st->st_uid = tswap16(st.st_uid);
2899 target_st->st_gid = tswap16(st.st_gid);
2901 target_st->st_nlink = tswap16(st.st_nlink);
2902 target_st->st_rdev = tswap16(st.st_rdev);
2903 target_st->st_size = tswapl(st.st_size);
2904 target_st->st_blksize = tswapl(st.st_blksize);
2905 target_st->st_blocks = tswapl(st.st_blocks);
2906 target_st->target_st_atime = tswapl(st.st_atime);
2907 target_st->target_st_mtime = tswapl(st.st_mtime);
2908 target_st->target_st_ctime = tswapl(st.st_ctime);
2909 unlock_user_struct(target_st, arg2, 1);
2913 #ifdef TARGET_NR_olduname
2914 case TARGET_NR_olduname:
2917 #ifdef TARGET_NR_iopl
2918 case TARGET_NR_iopl:
2921 case TARGET_NR_vhangup:
2922 ret = get_errno(vhangup());
2924 #ifdef TARGET_NR_idle
2925 case TARGET_NR_idle:
2928 #ifdef TARGET_NR_syscall
2929 case TARGET_NR_syscall:
2930 ret = do_syscall(cpu_env,arg1 & 0xffff,arg2,arg3,arg4,arg5,arg6,0);
2933 case TARGET_NR_wait4:
2936 target_long status_ptr = arg2;
2937 struct rusage rusage, *rusage_ptr;
2938 target_ulong target_rusage = arg4;
2940 rusage_ptr = &rusage;
2943 ret = get_errno(wait4(arg1, &status, arg3, rusage_ptr));
2944 if (!is_error(ret)) {
2946 tputl(status_ptr, status);
2947 if (target_rusage) {
2948 host_to_target_rusage(target_rusage, &rusage);
2953 case TARGET_NR_swapoff:
2954 p = lock_user_string(arg1);
2955 ret = get_errno(swapoff(p));
2956 unlock_user(p, arg1, 0);
2958 case TARGET_NR_sysinfo:
2960 struct target_sysinfo *target_value;
2961 struct sysinfo value;
2962 ret = get_errno(sysinfo(&value));
2963 if (!is_error(ret) && arg1)
2965 /* ??? __put_user is probably wrong. */
2966 lock_user_struct(target_value, arg1, 0);
2967 __put_user(value.uptime, &target_value->uptime);
2968 __put_user(value.loads[0], &target_value->loads[0]);
2969 __put_user(value.loads[1], &target_value->loads[1]);
2970 __put_user(value.loads[2], &target_value->loads[2]);
2971 __put_user(value.totalram, &target_value->totalram);
2972 __put_user(value.freeram, &target_value->freeram);
2973 __put_user(value.sharedram, &target_value->sharedram);
2974 __put_user(value.bufferram, &target_value->bufferram);
2975 __put_user(value.totalswap, &target_value->totalswap);
2976 __put_user(value.freeswap, &target_value->freeswap);
2977 __put_user(value.procs, &target_value->procs);
2978 __put_user(value.totalhigh, &target_value->totalhigh);
2979 __put_user(value.freehigh, &target_value->freehigh);
2980 __put_user(value.mem_unit, &target_value->mem_unit);
2981 unlock_user_struct(target_value, arg1, 1);
2986 ret = do_ipc(arg1, arg2, arg3, arg4, arg5, arg6);
2988 case TARGET_NR_fsync:
2989 ret = get_errno(fsync(arg1));
2991 case TARGET_NR_clone:
2992 ret = get_errno(do_fork(cpu_env, arg1, arg2));
2994 #ifdef __NR_exit_group
2995 /* new thread calls */
2996 case TARGET_NR_exit_group:
2997 gdb_exit(cpu_env, arg1);
2998 ret = get_errno(exit_group(arg1));
3001 case TARGET_NR_setdomainname:
3002 p = lock_user_string(arg1);
3003 ret = get_errno(setdomainname(p, arg2));
3004 unlock_user(p, arg1, 0);
3006 case TARGET_NR_uname:
3007 /* no need to transcode because we use the linux syscall */
3009 struct new_utsname * buf;
3011 lock_user_struct(buf, arg1, 0);
3012 ret = get_errno(sys_uname(buf));
3013 if (!is_error(ret)) {
3014 /* Overrite the native machine name with whatever is being
3016 strcpy (buf->machine, UNAME_MACHINE);
3017 /* Allow the user to override the reported release. */
3018 if (qemu_uname_release && *qemu_uname_release)
3019 strcpy (buf->release, qemu_uname_release);
3021 unlock_user_struct(buf, arg1, 1);
3025 case TARGET_NR_modify_ldt:
3026 ret = get_errno(do_modify_ldt(cpu_env, arg1, arg2, arg3));
3028 case TARGET_NR_vm86old:
3030 case TARGET_NR_vm86:
3031 ret = do_vm86(cpu_env, arg1, arg2);
3034 case TARGET_NR_adjtimex:
3036 case TARGET_NR_create_module:
3037 case TARGET_NR_init_module:
3038 case TARGET_NR_delete_module:
3039 case TARGET_NR_get_kernel_syms:
3041 case TARGET_NR_quotactl:
3043 case TARGET_NR_getpgid:
3044 ret = get_errno(getpgid(arg1));
3046 case TARGET_NR_fchdir:
3047 ret = get_errno(fchdir(arg1));
3049 case TARGET_NR_bdflush:
3051 case TARGET_NR_sysfs:
3053 case TARGET_NR_personality:
3054 ret = get_errno(personality(arg1));
3056 case TARGET_NR_afs_syscall:
3058 case TARGET_NR__llseek:
3060 #if defined (__x86_64__)
3061 ret = get_errno(lseek(arg1, ((uint64_t )arg2 << 32) | arg3, arg5));
3065 ret = get_errno(_llseek(arg1, arg2, arg3, &res, arg5));
3070 case TARGET_NR_getdents:
3071 #if TARGET_LONG_SIZE != 4
3073 #warning not supported
3074 #elif TARGET_LONG_SIZE == 4 && HOST_LONG_SIZE == 8
3076 struct target_dirent *target_dirp;
3077 struct dirent *dirp;
3080 dirp = malloc(count);
3084 ret = get_errno(sys_getdents(arg1, dirp, count));
3085 if (!is_error(ret)) {
3087 struct target_dirent *tde;
3089 int reclen, treclen;
3090 int count1, tnamelen;
3094 target_dirp = lock_user(arg2, count, 0);
3097 reclen = de->d_reclen;
3098 treclen = reclen - (2 * (sizeof(long) - sizeof(target_long)));
3099 tde->d_reclen = tswap16(treclen);
3100 tde->d_ino = tswapl(de->d_ino);
3101 tde->d_off = tswapl(de->d_off);
3102 tnamelen = treclen - (2 * sizeof(target_long) + 2);
3105 /* XXX: may not be correct */
3106 strncpy(tde->d_name, de->d_name, tnamelen);
3107 de = (struct dirent *)((char *)de + reclen);
3109 tde = (struct dirent *)((char *)tde + treclen);
3114 unlock_user(target_dirp, arg2, ret);
3119 struct dirent *dirp;
3122 dirp = lock_user(arg2, count, 0);
3123 ret = get_errno(sys_getdents(arg1, dirp, count));
3124 if (!is_error(ret)) {
3130 reclen = de->d_reclen;
3133 de->d_reclen = tswap16(reclen);
3134 tswapls(&de->d_ino);
3135 tswapls(&de->d_off);
3136 de = (struct dirent *)((char *)de + reclen);
3140 unlock_user(dirp, arg2, ret);
3144 #ifdef TARGET_NR_getdents64
3145 case TARGET_NR_getdents64:
3147 struct dirent64 *dirp;
3149 dirp = lock_user(arg2, count, 0);
3150 ret = get_errno(sys_getdents64(arg1, dirp, count));
3151 if (!is_error(ret)) {
3152 struct dirent64 *de;
3157 reclen = de->d_reclen;
3160 de->d_reclen = tswap16(reclen);
3161 tswap64s(&de->d_ino);
3162 tswap64s(&de->d_off);
3163 de = (struct dirent64 *)((char *)de + reclen);
3167 unlock_user(dirp, arg2, ret);
3170 #endif /* TARGET_NR_getdents64 */
3171 case TARGET_NR__newselect:
3172 ret = do_select(arg1, arg2, arg3, arg4, arg5);
3174 case TARGET_NR_poll:
3176 struct target_pollfd *target_pfd;
3177 unsigned int nfds = arg2;
3182 target_pfd = lock_user(arg1, sizeof(struct target_pollfd) * nfds, 1);
3183 pfd = alloca(sizeof(struct pollfd) * nfds);
3184 for(i = 0; i < nfds; i++) {
3185 pfd[i].fd = tswap32(target_pfd[i].fd);
3186 pfd[i].events = tswap16(target_pfd[i].events);
3188 ret = get_errno(poll(pfd, nfds, timeout));
3189 if (!is_error(ret)) {
3190 for(i = 0; i < nfds; i++) {
3191 target_pfd[i].revents = tswap16(pfd[i].revents);
3193 ret += nfds * (sizeof(struct target_pollfd)
3194 - sizeof(struct pollfd));
3196 unlock_user(target_pfd, arg1, ret);
3199 case TARGET_NR_flock:
3200 /* NOTE: the flock constant seems to be the same for every
3202 ret = get_errno(flock(arg1, arg2));
3204 case TARGET_NR_readv:
3209 vec = alloca(count * sizeof(struct iovec));
3210 lock_iovec(vec, arg2, count, 0);
3211 ret = get_errno(readv(arg1, vec, count));
3212 unlock_iovec(vec, arg2, count, 1);
3215 case TARGET_NR_writev:
3220 vec = alloca(count * sizeof(struct iovec));
3221 lock_iovec(vec, arg2, count, 1);
3222 ret = get_errno(writev(arg1, vec, count));
3223 unlock_iovec(vec, arg2, count, 0);
3226 case TARGET_NR_getsid:
3227 ret = get_errno(getsid(arg1));
3229 case TARGET_NR_fdatasync:
3230 ret = get_errno(fdatasync(arg1));
3232 case TARGET_NR__sysctl:
3233 /* We don't implement this, but ENODIR is always a safe
3236 case TARGET_NR_sched_setparam:
3238 struct sched_param *target_schp;
3239 struct sched_param schp;
3241 lock_user_struct(target_schp, arg2, 1);
3242 schp.sched_priority = tswap32(target_schp->sched_priority);
3243 unlock_user_struct(target_schp, arg2, 0);
3244 ret = get_errno(sched_setparam(arg1, &schp));
3247 case TARGET_NR_sched_getparam:
3249 struct sched_param *target_schp;
3250 struct sched_param schp;
3251 ret = get_errno(sched_getparam(arg1, &schp));
3252 if (!is_error(ret)) {
3253 lock_user_struct(target_schp, arg2, 0);
3254 target_schp->sched_priority = tswap32(schp.sched_priority);
3255 unlock_user_struct(target_schp, arg2, 1);
3259 case TARGET_NR_sched_setscheduler:
3261 struct sched_param *target_schp;
3262 struct sched_param schp;
3263 lock_user_struct(target_schp, arg3, 1);
3264 schp.sched_priority = tswap32(target_schp->sched_priority);
3265 unlock_user_struct(target_schp, arg3, 0);
3266 ret = get_errno(sched_setscheduler(arg1, arg2, &schp));
3269 case TARGET_NR_sched_getscheduler:
3270 ret = get_errno(sched_getscheduler(arg1));
3272 case TARGET_NR_sched_yield:
3273 ret = get_errno(sched_yield());
3275 case TARGET_NR_sched_get_priority_max:
3276 ret = get_errno(sched_get_priority_max(arg1));
3278 case TARGET_NR_sched_get_priority_min:
3279 ret = get_errno(sched_get_priority_min(arg1));
3281 case TARGET_NR_sched_rr_get_interval:
3284 ret = get_errno(sched_rr_get_interval(arg1, &ts));
3285 if (!is_error(ret)) {
3286 host_to_target_timespec(arg2, &ts);
3290 case TARGET_NR_nanosleep:
3292 struct timespec req, rem;
3293 target_to_host_timespec(&req, arg1);
3294 ret = get_errno(nanosleep(&req, &rem));
3295 if (is_error(ret) && arg2) {
3296 host_to_target_timespec(arg2, &rem);
3300 case TARGET_NR_query_module:
3302 case TARGET_NR_nfsservctl:
3304 case TARGET_NR_prctl:
3306 #ifdef TARGET_NR_pread
3307 case TARGET_NR_pread:
3308 page_unprotect_range(arg2, arg3);
3309 p = lock_user(arg2, arg3, 0);
3310 ret = get_errno(pread(arg1, p, arg3, arg4));
3311 unlock_user(p, arg2, ret);
3313 case TARGET_NR_pwrite:
3314 p = lock_user(arg2, arg3, 1);
3315 ret = get_errno(pwrite(arg1, p, arg3, arg4));
3316 unlock_user(p, arg2, 0);
3319 case TARGET_NR_getcwd:
3320 p = lock_user(arg1, arg2, 0);
3321 ret = get_errno(sys_getcwd1(p, arg2));
3322 unlock_user(p, arg1, ret);
3324 case TARGET_NR_capget:
3326 case TARGET_NR_capset:
3328 case TARGET_NR_sigaltstack:
3330 case TARGET_NR_sendfile:
3332 #ifdef TARGET_NR_getpmsg
3333 case TARGET_NR_getpmsg:
3336 #ifdef TARGET_NR_putpmsg
3337 case TARGET_NR_putpmsg:
3340 #ifdef TARGET_NR_vfork
3341 case TARGET_NR_vfork:
3342 ret = get_errno(do_fork(cpu_env, CLONE_VFORK | CLONE_VM | SIGCHLD, 0));
3345 #ifdef TARGET_NR_ugetrlimit
3346 case TARGET_NR_ugetrlimit:
3349 ret = get_errno(getrlimit(arg1, &rlim));
3350 if (!is_error(ret)) {
3351 struct target_rlimit *target_rlim;
3352 lock_user_struct(target_rlim, arg2, 0);
3353 target_rlim->rlim_cur = tswapl(rlim.rlim_cur);
3354 target_rlim->rlim_max = tswapl(rlim.rlim_max);
3355 unlock_user_struct(target_rlim, arg2, 1);
3360 #ifdef TARGET_NR_truncate64
3361 case TARGET_NR_truncate64:
3362 p = lock_user_string(arg1);
3363 ret = target_truncate64(cpu_env, p, arg2, arg3, arg4);
3364 unlock_user(p, arg1, 0);
3367 #ifdef TARGET_NR_ftruncate64
3368 case TARGET_NR_ftruncate64:
3369 ret = target_ftruncate64(cpu_env, arg1, arg2, arg3, arg4);
3372 #ifdef TARGET_NR_stat64
3373 case TARGET_NR_stat64:
3374 p = lock_user_string(arg1);
3375 ret = get_errno(stat(path(p), &st));
3376 unlock_user(p, arg1, 0);
3379 #ifdef TARGET_NR_lstat64
3380 case TARGET_NR_lstat64:
3381 p = lock_user_string(arg1);
3382 ret = get_errno(lstat(path(p), &st));
3383 unlock_user(p, arg1, 0);
3386 #ifdef TARGET_NR_fstat64
3387 case TARGET_NR_fstat64:
3389 ret = get_errno(fstat(arg1, &st));
3391 if (!is_error(ret)) {
3393 if (((CPUARMState *)cpu_env)->eabi) {
3394 struct target_eabi_stat64 *target_st;
3395 lock_user_struct(target_st, arg2, 1);
3396 memset(target_st, 0, sizeof(struct target_eabi_stat64));
3397 /* put_user is probably wrong. */
3398 put_user(st.st_dev, &target_st->st_dev);
3399 put_user(st.st_ino, &target_st->st_ino);
3400 #ifdef TARGET_STAT64_HAS_BROKEN_ST_INO
3401 put_user(st.st_ino, &target_st->__st_ino);
3403 put_user(st.st_mode, &target_st->st_mode);
3404 put_user(st.st_nlink, &target_st->st_nlink);
3405 put_user(st.st_uid, &target_st->st_uid);
3406 put_user(st.st_gid, &target_st->st_gid);
3407 put_user(st.st_rdev, &target_st->st_rdev);
3408 /* XXX: better use of kernel struct */
3409 put_user(st.st_size, &target_st->st_size);
3410 put_user(st.st_blksize, &target_st->st_blksize);
3411 put_user(st.st_blocks, &target_st->st_blocks);
3412 put_user(st.st_atime, &target_st->target_st_atime);
3413 put_user(st.st_mtime, &target_st->target_st_mtime);
3414 put_user(st.st_ctime, &target_st->target_st_ctime);
3415 unlock_user_struct(target_st, arg2, 0);
3419 struct target_stat64 *target_st;
3420 lock_user_struct(target_st, arg2, 1);
3421 memset(target_st, 0, sizeof(struct target_stat64));
3422 /* ??? put_user is probably wrong. */
3423 put_user(st.st_dev, &target_st->st_dev);
3424 put_user(st.st_ino, &target_st->st_ino);
3425 #ifdef TARGET_STAT64_HAS_BROKEN_ST_INO
3426 put_user(st.st_ino, &target_st->__st_ino);
3428 put_user(st.st_mode, &target_st->st_mode);
3429 put_user(st.st_nlink, &target_st->st_nlink);
3430 put_user(st.st_uid, &target_st->st_uid);
3431 put_user(st.st_gid, &target_st->st_gid);
3432 put_user(st.st_rdev, &target_st->st_rdev);
3433 /* XXX: better use of kernel struct */
3434 put_user(st.st_size, &target_st->st_size);
3435 put_user(st.st_blksize, &target_st->st_blksize);
3436 put_user(st.st_blocks, &target_st->st_blocks);
3437 put_user(st.st_atime, &target_st->target_st_atime);
3438 put_user(st.st_mtime, &target_st->target_st_mtime);
3439 put_user(st.st_ctime, &target_st->target_st_ctime);
3440 unlock_user_struct(target_st, arg2, 0);
3447 case TARGET_NR_lchown:
3448 p = lock_user_string(arg1);
3449 ret = get_errno(lchown(p, low2highuid(arg2), low2highgid(arg3)));
3450 unlock_user(p, arg1, 0);
3452 case TARGET_NR_getuid:
3453 ret = get_errno(high2lowuid(getuid()));
3455 case TARGET_NR_getgid:
3456 ret = get_errno(high2lowgid(getgid()));
3458 case TARGET_NR_geteuid:
3459 ret = get_errno(high2lowuid(geteuid()));
3461 case TARGET_NR_getegid:
3462 ret = get_errno(high2lowgid(getegid()));
3464 case TARGET_NR_setreuid:
3465 ret = get_errno(setreuid(low2highuid(arg1), low2highuid(arg2)));
3467 case TARGET_NR_setregid:
3468 ret = get_errno(setregid(low2highgid(arg1), low2highgid(arg2)));
3470 case TARGET_NR_getgroups:
3472 int gidsetsize = arg1;
3473 uint16_t *target_grouplist;
3477 grouplist = alloca(gidsetsize * sizeof(gid_t));
3478 ret = get_errno(getgroups(gidsetsize, grouplist));
3479 if (!is_error(ret)) {
3480 target_grouplist = lock_user(arg2, gidsetsize * 2, 0);
3481 for(i = 0;i < gidsetsize; i++)
3482 target_grouplist[i] = tswap16(grouplist[i]);
3483 unlock_user(target_grouplist, arg2, gidsetsize * 2);
3487 case TARGET_NR_setgroups:
3489 int gidsetsize = arg1;
3490 uint16_t *target_grouplist;
3494 grouplist = alloca(gidsetsize * sizeof(gid_t));
3495 target_grouplist = lock_user(arg2, gidsetsize * 2, 1);
3496 for(i = 0;i < gidsetsize; i++)
3497 grouplist[i] = tswap16(target_grouplist[i]);
3498 unlock_user(target_grouplist, arg2, 0);
3499 ret = get_errno(setgroups(gidsetsize, grouplist));
3502 case TARGET_NR_fchown:
3503 ret = get_errno(fchown(arg1, low2highuid(arg2), low2highgid(arg3)));
3505 #ifdef TARGET_NR_setresuid
3506 case TARGET_NR_setresuid:
3507 ret = get_errno(setresuid(low2highuid(arg1),
3509 low2highuid(arg3)));
3512 #ifdef TARGET_NR_getresuid
3513 case TARGET_NR_getresuid:
3515 uid_t ruid, euid, suid;
3516 ret = get_errno(getresuid(&ruid, &euid, &suid));
3517 if (!is_error(ret)) {
3518 tput16(arg1, tswap16(high2lowuid(ruid)));
3519 tput16(arg2, tswap16(high2lowuid(euid)));
3520 tput16(arg3, tswap16(high2lowuid(suid)));
3525 #ifdef TARGET_NR_getresgid
3526 case TARGET_NR_setresgid:
3527 ret = get_errno(setresgid(low2highgid(arg1),
3529 low2highgid(arg3)));
3532 #ifdef TARGET_NR_getresgid
3533 case TARGET_NR_getresgid:
3535 gid_t rgid, egid, sgid;
3536 ret = get_errno(getresgid(&rgid, &egid, &sgid));
3537 if (!is_error(ret)) {
3538 tput16(arg1, tswap16(high2lowgid(rgid)));
3539 tput16(arg2, tswap16(high2lowgid(egid)));
3540 tput16(arg3, tswap16(high2lowgid(sgid)));
3545 case TARGET_NR_chown:
3546 p = lock_user_string(arg1);
3547 ret = get_errno(chown(p, low2highuid(arg2), low2highgid(arg3)));
3548 unlock_user(p, arg1, 0);
3550 case TARGET_NR_setuid:
3551 ret = get_errno(setuid(low2highuid(arg1)));
3553 case TARGET_NR_setgid:
3554 ret = get_errno(setgid(low2highgid(arg1)));
3556 case TARGET_NR_setfsuid:
3557 ret = get_errno(setfsuid(arg1));
3559 case TARGET_NR_setfsgid:
3560 ret = get_errno(setfsgid(arg1));
3562 #endif /* USE_UID16 */
3564 #ifdef TARGET_NR_lchown32
3565 case TARGET_NR_lchown32:
3566 p = lock_user_string(arg1);
3567 ret = get_errno(lchown(p, arg2, arg3));
3568 unlock_user(p, arg1, 0);
3571 #ifdef TARGET_NR_getuid32
3572 case TARGET_NR_getuid32:
3573 ret = get_errno(getuid());
3576 #ifdef TARGET_NR_getgid32
3577 case TARGET_NR_getgid32:
3578 ret = get_errno(getgid());
3581 #ifdef TARGET_NR_geteuid32
3582 case TARGET_NR_geteuid32:
3583 ret = get_errno(geteuid());
3586 #ifdef TARGET_NR_getegid32
3587 case TARGET_NR_getegid32:
3588 ret = get_errno(getegid());
3591 #ifdef TARGET_NR_setreuid32
3592 case TARGET_NR_setreuid32:
3593 ret = get_errno(setreuid(arg1, arg2));
3596 #ifdef TARGET_NR_setregid32
3597 case TARGET_NR_setregid32:
3598 ret = get_errno(setregid(arg1, arg2));
3601 #ifdef TARGET_NR_getgroups32
3602 case TARGET_NR_getgroups32:
3604 int gidsetsize = arg1;
3605 uint32_t *target_grouplist;
3609 grouplist = alloca(gidsetsize * sizeof(gid_t));
3610 ret = get_errno(getgroups(gidsetsize, grouplist));
3611 if (!is_error(ret)) {
3612 target_grouplist = lock_user(arg2, gidsetsize * 4, 0);
3613 for(i = 0;i < gidsetsize; i++)
3614 target_grouplist[i] = tswap32(grouplist[i]);
3615 unlock_user(target_grouplist, arg2, gidsetsize * 4);
3620 #ifdef TARGET_NR_setgroups32
3621 case TARGET_NR_setgroups32:
3623 int gidsetsize = arg1;
3624 uint32_t *target_grouplist;
3628 grouplist = alloca(gidsetsize * sizeof(gid_t));
3629 target_grouplist = lock_user(arg2, gidsetsize * 4, 1);
3630 for(i = 0;i < gidsetsize; i++)
3631 grouplist[i] = tswap32(target_grouplist[i]);
3632 unlock_user(target_grouplist, arg2, 0);
3633 ret = get_errno(setgroups(gidsetsize, grouplist));
3637 #ifdef TARGET_NR_fchown32
3638 case TARGET_NR_fchown32:
3639 ret = get_errno(fchown(arg1, arg2, arg3));
3642 #ifdef TARGET_NR_setresuid32
3643 case TARGET_NR_setresuid32:
3644 ret = get_errno(setresuid(arg1, arg2, arg3));
3647 #ifdef TARGET_NR_getresuid32
3648 case TARGET_NR_getresuid32:
3650 uid_t ruid, euid, suid;
3651 ret = get_errno(getresuid(&ruid, &euid, &suid));
3652 if (!is_error(ret)) {
3653 tput32(arg1, tswap32(ruid));
3654 tput32(arg2, tswap32(euid));
3655 tput32(arg3, tswap32(suid));
3660 #ifdef TARGET_NR_setresgid32
3661 case TARGET_NR_setresgid32:
3662 ret = get_errno(setresgid(arg1, arg2, arg3));
3665 #ifdef TARGET_NR_getresgid32
3666 case TARGET_NR_getresgid32:
3668 gid_t rgid, egid, sgid;
3669 ret = get_errno(getresgid(&rgid, &egid, &sgid));
3670 if (!is_error(ret)) {
3671 tput32(arg1, tswap32(rgid));
3672 tput32(arg2, tswap32(egid));
3673 tput32(arg3, tswap32(sgid));
3678 #ifdef TARGET_NR_chown32
3679 case TARGET_NR_chown32:
3680 p = lock_user_string(arg1);
3681 ret = get_errno(chown(p, arg2, arg3));
3682 unlock_user(p, arg1, 0);
3685 #ifdef TARGET_NR_setuid32
3686 case TARGET_NR_setuid32:
3687 ret = get_errno(setuid(arg1));
3690 #ifdef TARGET_NR_setgid32
3691 case TARGET_NR_setgid32:
3692 ret = get_errno(setgid(arg1));
3695 #ifdef TARGET_NR_setfsuid32
3696 case TARGET_NR_setfsuid32:
3697 ret = get_errno(setfsuid(arg1));
3700 #ifdef TARGET_NR_setfsgid32
3701 case TARGET_NR_setfsgid32:
3702 ret = get_errno(setfsgid(arg1));
3706 case TARGET_NR_pivot_root:
3708 #ifdef TARGET_NR_mincore
3709 case TARGET_NR_mincore:
3712 #ifdef TARGET_NR_madvise
3713 case TARGET_NR_madvise:
3714 /* A straight passthrough may not be safe because qemu sometimes
3715 turns private flie-backed mappings into anonymous mappings.
3716 This will break MADV_DONTNEED.
3717 This is a hint, so ignoring and returning success is ok. */
3721 #if TARGET_LONG_BITS == 32
3722 case TARGET_NR_fcntl64:
3725 struct target_flock64 *target_fl;
3727 struct target_eabi_flock64 *target_efl;
3732 ret = get_errno(fcntl(arg1, arg2, &fl));
3735 if (((CPUARMState *)cpu_env)->eabi) {
3736 lock_user_struct(target_efl, arg3, 0);
3737 target_efl->l_type = tswap16(fl.l_type);
3738 target_efl->l_whence = tswap16(fl.l_whence);
3739 target_efl->l_start = tswap64(fl.l_start);
3740 target_efl->l_len = tswap64(fl.l_len);
3741 target_efl->l_pid = tswapl(fl.l_pid);
3742 unlock_user_struct(target_efl, arg3, 1);
3746 lock_user_struct(target_fl, arg3, 0);
3747 target_fl->l_type = tswap16(fl.l_type);
3748 target_fl->l_whence = tswap16(fl.l_whence);
3749 target_fl->l_start = tswap64(fl.l_start);
3750 target_fl->l_len = tswap64(fl.l_len);
3751 target_fl->l_pid = tswapl(fl.l_pid);
3752 unlock_user_struct(target_fl, arg3, 1);
3760 if (((CPUARMState *)cpu_env)->eabi) {
3761 lock_user_struct(target_efl, arg3, 1);
3762 fl.l_type = tswap16(target_efl->l_type);
3763 fl.l_whence = tswap16(target_efl->l_whence);
3764 fl.l_start = tswap64(target_efl->l_start);
3765 fl.l_len = tswap64(target_efl->l_len);
3766 fl.l_pid = tswapl(target_efl->l_pid);
3767 unlock_user_struct(target_efl, arg3, 0);
3771 lock_user_struct(target_fl, arg3, 1);
3772 fl.l_type = tswap16(target_fl->l_type);
3773 fl.l_whence = tswap16(target_fl->l_whence);
3774 fl.l_start = tswap64(target_fl->l_start);
3775 fl.l_len = tswap64(target_fl->l_len);
3776 fl.l_pid = tswapl(target_fl->l_pid);
3777 unlock_user_struct(target_fl, arg3, 0);
3779 ret = get_errno(fcntl(arg1, arg2, &fl));
3782 ret = get_errno(do_fcntl(arg1, arg2, arg3));
3788 #ifdef TARGET_NR_security
3789 case TARGET_NR_security:
3792 #ifdef TARGET_NR_getpagesize
3793 case TARGET_NR_getpagesize:
3794 ret = TARGET_PAGE_SIZE;
3797 case TARGET_NR_gettid:
3798 ret = get_errno(gettid());
3800 case TARGET_NR_readahead:
3802 #ifdef TARGET_NR_setxattr
3803 case TARGET_NR_setxattr:
3804 case TARGET_NR_lsetxattr:
3805 case TARGET_NR_fsetxattr:
3806 case TARGET_NR_getxattr:
3807 case TARGET_NR_lgetxattr:
3808 case TARGET_NR_fgetxattr:
3809 case TARGET_NR_listxattr:
3810 case TARGET_NR_llistxattr:
3811 case TARGET_NR_flistxattr:
3812 case TARGET_NR_removexattr:
3813 case TARGET_NR_lremovexattr:
3814 case TARGET_NR_fremovexattr:
3815 goto unimplemented_nowarn;
3817 #ifdef TARGET_NR_set_thread_area
3818 case TARGET_NR_set_thread_area:
3819 case TARGET_NR_get_thread_area:
3820 goto unimplemented_nowarn;
3822 #ifdef TARGET_NR_getdomainname
3823 case TARGET_NR_getdomainname:
3824 goto unimplemented_nowarn;
3828 gemu_log("qemu: Unsupported syscall: %d\n", num);
3829 #if defined(TARGET_NR_setxattr) || defined(TARGET_NR_set_thread_area) || defined(TARGET_NR_getdomainname)
3830 unimplemented_nowarn:
3837 gemu_log(" = %ld\n", ret);