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])
82 #if defined(__powerpc__)
84 #undef __sc_loadargs_0
85 #undef __sc_loadargs_1
86 #undef __sc_loadargs_2
87 #undef __sc_loadargs_3
88 #undef __sc_loadargs_4
89 #undef __sc_loadargs_5
90 #undef __sc_asm_input_0
91 #undef __sc_asm_input_1
92 #undef __sc_asm_input_2
93 #undef __sc_asm_input_3
94 #undef __sc_asm_input_4
95 #undef __sc_asm_input_5
103 /* need to redefine syscalls as Linux kernel defines are incorrect for
105 /* On powerpc a system call basically clobbers the same registers like a
106 * function call, with the exception of LR (which is needed for the
107 * "sc; bnslr" sequence) and CR (where only CR0.SO is clobbered to signal
108 * an error return status).
111 #define __syscall_nr(nr, type, name, args...) \
112 unsigned long __sc_ret, __sc_err; \
114 register unsigned long __sc_0 __asm__ ("r0"); \
115 register unsigned long __sc_3 __asm__ ("r3"); \
116 register unsigned long __sc_4 __asm__ ("r4"); \
117 register unsigned long __sc_5 __asm__ ("r5"); \
118 register unsigned long __sc_6 __asm__ ("r6"); \
119 register unsigned long __sc_7 __asm__ ("r7"); \
121 __sc_loadargs_##nr(name, args); \
122 __asm__ __volatile__ \
126 "=&r" (__sc_3), "=&r" (__sc_4), \
127 "=&r" (__sc_5), "=&r" (__sc_6), \
129 : __sc_asm_input_##nr \
130 : "cr0", "ctr", "memory", \
131 "r8", "r9", "r10","r11", "r12"); \
135 if (__sc_err & 0x10000000) \
140 return (type) __sc_ret
142 #define __sc_loadargs_0(name, dummy...) \
144 #define __sc_loadargs_1(name, arg1) \
145 __sc_loadargs_0(name); \
146 __sc_3 = (unsigned long) (arg1)
147 #define __sc_loadargs_2(name, arg1, arg2) \
148 __sc_loadargs_1(name, arg1); \
149 __sc_4 = (unsigned long) (arg2)
150 #define __sc_loadargs_3(name, arg1, arg2, arg3) \
151 __sc_loadargs_2(name, arg1, arg2); \
152 __sc_5 = (unsigned long) (arg3)
153 #define __sc_loadargs_4(name, arg1, arg2, arg3, arg4) \
154 __sc_loadargs_3(name, arg1, arg2, arg3); \
155 __sc_6 = (unsigned long) (arg4)
156 #define __sc_loadargs_5(name, arg1, arg2, arg3, arg4, arg5) \
157 __sc_loadargs_4(name, arg1, arg2, arg3, arg4); \
158 __sc_7 = (unsigned long) (arg5)
160 #define __sc_asm_input_0 "0" (__sc_0)
161 #define __sc_asm_input_1 __sc_asm_input_0, "1" (__sc_3)
162 #define __sc_asm_input_2 __sc_asm_input_1, "2" (__sc_4)
163 #define __sc_asm_input_3 __sc_asm_input_2, "3" (__sc_5)
164 #define __sc_asm_input_4 __sc_asm_input_3, "4" (__sc_6)
165 #define __sc_asm_input_5 __sc_asm_input_4, "5" (__sc_7)
167 #define _syscall0(type,name) \
170 __syscall_nr(0, type, name); \
173 #define _syscall1(type,name,type1,arg1) \
174 type name(type1 arg1) \
176 __syscall_nr(1, type, name, arg1); \
179 #define _syscall2(type,name,type1,arg1,type2,arg2) \
180 type name(type1 arg1, type2 arg2) \
182 __syscall_nr(2, type, name, arg1, arg2); \
185 #define _syscall3(type,name,type1,arg1,type2,arg2,type3,arg3) \
186 type name(type1 arg1, type2 arg2, type3 arg3) \
188 __syscall_nr(3, type, name, arg1, arg2, arg3); \
191 #define _syscall4(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4) \
192 type name(type1 arg1, type2 arg2, type3 arg3, type4 arg4) \
194 __syscall_nr(4, type, name, arg1, arg2, arg3, arg4); \
197 #define _syscall5(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4,type5,arg5) \
198 type name(type1 arg1, type2 arg2, type3 arg3, type4 arg4, type5 arg5) \
200 __syscall_nr(5, type, name, arg1, arg2, arg3, arg4, arg5); \
204 #define __NR_sys_uname __NR_uname
205 #define __NR_sys_getcwd1 __NR_getcwd
206 #define __NR_sys_getdents __NR_getdents
207 #define __NR_sys_getdents64 __NR_getdents64
208 #define __NR_sys_rt_sigqueueinfo __NR_rt_sigqueueinfo
210 #if defined(__alpha__) || defined (__ia64__) || defined(__x86_64__)
211 #define __NR__llseek __NR_lseek
215 _syscall0(int, gettid)
217 static int gettid(void) {
221 _syscall1(int,sys_uname,struct new_utsname *,buf)
222 _syscall2(int,sys_getcwd1,char *,buf,size_t,size)
223 _syscall3(int, sys_getdents, uint, fd, struct dirent *, dirp, uint, count);
224 _syscall3(int, sys_getdents64, uint, fd, struct dirent64 *, dirp, uint, count);
225 _syscall5(int, _llseek, uint, fd, ulong, hi, ulong, lo,
226 loff_t *, res, uint, wh);
227 _syscall3(int,sys_rt_sigqueueinfo,int,pid,int,sig,siginfo_t *,uinfo)
228 #ifdef __NR_exit_group
229 _syscall1(int,exit_group,int,error_code)
232 extern int personality(int);
233 extern int flock(int, int);
234 extern int setfsuid(int);
235 extern int setfsgid(int);
236 extern int setresuid(uid_t, uid_t, uid_t);
237 extern int getresuid(uid_t *, uid_t *, uid_t *);
238 extern int setresgid(gid_t, gid_t, gid_t);
239 extern int getresgid(gid_t *, gid_t *, gid_t *);
240 extern int setgroups(int, gid_t *);
242 static inline long get_errno(long ret)
250 static inline int is_error(long ret)
252 return (unsigned long)ret >= (unsigned long)(-4096);
255 static target_ulong target_brk;
256 static target_ulong target_original_brk;
258 void target_set_brk(target_ulong new_brk)
260 target_original_brk = target_brk = new_brk;
263 long do_brk(target_ulong new_brk)
265 target_ulong brk_page;
271 if (new_brk < target_original_brk)
274 brk_page = HOST_PAGE_ALIGN(target_brk);
276 /* If the new brk is less than this, set it and we're done... */
277 if (new_brk < brk_page) {
278 target_brk = new_brk;
282 /* We need to allocate more memory after the brk... */
283 new_alloc_size = HOST_PAGE_ALIGN(new_brk - brk_page + 1);
284 mapped_addr = get_errno(target_mmap(brk_page, new_alloc_size,
285 PROT_READ|PROT_WRITE,
286 MAP_ANON|MAP_FIXED|MAP_PRIVATE, 0, 0));
287 if (is_error(mapped_addr)) {
290 target_brk = new_brk;
295 static inline fd_set *target_to_host_fds(fd_set *fds,
296 target_long *target_fds, int n)
298 #if !defined(BSWAP_NEEDED) && !defined(WORDS_BIGENDIAN)
299 return (fd_set *)target_fds;
304 for(i = 0;i < n; i++) {
305 b = (tswapl(target_fds[i / TARGET_LONG_BITS]) >>
306 (i & (TARGET_LONG_BITS - 1))) & 1;
317 static inline void host_to_target_fds(target_long *target_fds,
320 #if !defined(BSWAP_NEEDED) && !defined(WORDS_BIGENDIAN)
327 nw = (n + TARGET_LONG_BITS - 1) / TARGET_LONG_BITS;
329 for(i = 0;i < nw; i++) {
331 for(j = 0; j < TARGET_LONG_BITS; j++) {
332 v |= ((FD_ISSET(k, fds) != 0) << j);
335 target_fds[i] = tswapl(v);
341 #if defined(__alpha__)
347 static inline long host_to_target_clock_t(long ticks)
349 #if HOST_HZ == TARGET_HZ
352 return ((int64_t)ticks * TARGET_HZ) / HOST_HZ;
356 static inline void host_to_target_rusage(target_ulong target_addr,
357 const struct rusage *rusage)
359 struct target_rusage *target_rusage;
361 lock_user_struct(target_rusage, target_addr, 0);
362 target_rusage->ru_utime.tv_sec = tswapl(rusage->ru_utime.tv_sec);
363 target_rusage->ru_utime.tv_usec = tswapl(rusage->ru_utime.tv_usec);
364 target_rusage->ru_stime.tv_sec = tswapl(rusage->ru_stime.tv_sec);
365 target_rusage->ru_stime.tv_usec = tswapl(rusage->ru_stime.tv_usec);
366 target_rusage->ru_maxrss = tswapl(rusage->ru_maxrss);
367 target_rusage->ru_ixrss = tswapl(rusage->ru_ixrss);
368 target_rusage->ru_idrss = tswapl(rusage->ru_idrss);
369 target_rusage->ru_isrss = tswapl(rusage->ru_isrss);
370 target_rusage->ru_minflt = tswapl(rusage->ru_minflt);
371 target_rusage->ru_majflt = tswapl(rusage->ru_majflt);
372 target_rusage->ru_nswap = tswapl(rusage->ru_nswap);
373 target_rusage->ru_inblock = tswapl(rusage->ru_inblock);
374 target_rusage->ru_oublock = tswapl(rusage->ru_oublock);
375 target_rusage->ru_msgsnd = tswapl(rusage->ru_msgsnd);
376 target_rusage->ru_msgrcv = tswapl(rusage->ru_msgrcv);
377 target_rusage->ru_nsignals = tswapl(rusage->ru_nsignals);
378 target_rusage->ru_nvcsw = tswapl(rusage->ru_nvcsw);
379 target_rusage->ru_nivcsw = tswapl(rusage->ru_nivcsw);
380 unlock_user_struct(target_rusage, target_addr, 1);
383 static inline void target_to_host_timeval(struct timeval *tv,
384 target_ulong target_addr)
386 struct target_timeval *target_tv;
388 lock_user_struct(target_tv, target_addr, 1);
389 tv->tv_sec = tswapl(target_tv->tv_sec);
390 tv->tv_usec = tswapl(target_tv->tv_usec);
391 unlock_user_struct(target_tv, target_addr, 0);
394 static inline void host_to_target_timeval(target_ulong target_addr,
395 const struct timeval *tv)
397 struct target_timeval *target_tv;
399 lock_user_struct(target_tv, target_addr, 0);
400 target_tv->tv_sec = tswapl(tv->tv_sec);
401 target_tv->tv_usec = tswapl(tv->tv_usec);
402 unlock_user_struct(target_tv, target_addr, 1);
406 static long do_select(long n,
407 target_ulong rfd_p, target_ulong wfd_p,
408 target_ulong efd_p, target_ulong target_tv)
410 fd_set rfds, wfds, efds;
411 fd_set *rfds_ptr, *wfds_ptr, *efds_ptr;
412 target_long *target_rfds, *target_wfds, *target_efds;
413 struct timeval tv, *tv_ptr;
418 target_rfds = lock_user(rfd_p, sizeof(target_long) * n, 1);
419 rfds_ptr = target_to_host_fds(&rfds, target_rfds, n);
425 target_wfds = lock_user(wfd_p, sizeof(target_long) * n, 1);
426 wfds_ptr = target_to_host_fds(&wfds, target_wfds, n);
432 target_efds = lock_user(efd_p, sizeof(target_long) * n, 1);
433 efds_ptr = target_to_host_fds(&efds, target_efds, n);
440 target_to_host_timeval(&tv, target_tv);
445 ret = get_errno(select(n, rfds_ptr, wfds_ptr, efds_ptr, tv_ptr));
449 host_to_target_fds(target_rfds, rfds_ptr, n);
450 host_to_target_fds(target_wfds, wfds_ptr, n);
451 host_to_target_fds(target_efds, efds_ptr, n);
454 host_to_target_timeval(target_tv, &tv);
458 unlock_user(target_rfds, rfd_p, ok ? sizeof(target_long) * n : 0);
460 unlock_user(target_wfds, wfd_p, ok ? sizeof(target_long) * n : 0);
462 unlock_user(target_efds, efd_p, ok ? sizeof(target_long) * n : 0);
467 static inline void target_to_host_sockaddr(struct sockaddr *addr,
468 target_ulong target_addr,
471 struct target_sockaddr *target_saddr;
473 target_saddr = lock_user(target_addr, len, 1);
474 memcpy(addr, target_saddr, len);
475 addr->sa_family = tswap16(target_saddr->sa_family);
476 unlock_user(target_saddr, target_addr, 0);
479 static inline void host_to_target_sockaddr(target_ulong target_addr,
480 struct sockaddr *addr,
483 struct target_sockaddr *target_saddr;
485 target_saddr = lock_user(target_addr, len, 0);
486 memcpy(target_saddr, addr, len);
487 target_saddr->sa_family = tswap16(addr->sa_family);
488 unlock_user(target_saddr, target_addr, len);
491 /* ??? Should this also swap msgh->name? */
492 static inline void target_to_host_cmsg(struct msghdr *msgh,
493 struct target_msghdr *target_msgh)
495 struct cmsghdr *cmsg = CMSG_FIRSTHDR(msgh);
496 struct target_cmsghdr *target_cmsg = TARGET_CMSG_FIRSTHDR(target_msgh);
499 while (cmsg && target_cmsg) {
500 void *data = CMSG_DATA(cmsg);
501 void *target_data = TARGET_CMSG_DATA(target_cmsg);
503 int len = tswapl(target_cmsg->cmsg_len)
504 - TARGET_CMSG_ALIGN(sizeof (struct target_cmsghdr));
506 space += CMSG_SPACE(len);
507 if (space > msgh->msg_controllen) {
508 space -= CMSG_SPACE(len);
509 gemu_log("Host cmsg overflow\n");
513 cmsg->cmsg_level = tswap32(target_cmsg->cmsg_level);
514 cmsg->cmsg_type = tswap32(target_cmsg->cmsg_type);
515 cmsg->cmsg_len = CMSG_LEN(len);
517 if (cmsg->cmsg_level != SOL_SOCKET || cmsg->cmsg_type != SCM_RIGHTS) {
518 gemu_log("Unsupported ancillary data: %d/%d\n", cmsg->cmsg_level, cmsg->cmsg_type);
519 memcpy(data, target_data, len);
521 int *fd = (int *)data;
522 int *target_fd = (int *)target_data;
523 int i, numfds = len / sizeof(int);
525 for (i = 0; i < numfds; i++)
526 fd[i] = tswap32(target_fd[i]);
529 cmsg = CMSG_NXTHDR(msgh, cmsg);
530 target_cmsg = TARGET_CMSG_NXTHDR(target_msgh, target_cmsg);
533 msgh->msg_controllen = space;
536 /* ??? Should this also swap msgh->name? */
537 static inline void host_to_target_cmsg(struct target_msghdr *target_msgh,
540 struct cmsghdr *cmsg = CMSG_FIRSTHDR(msgh);
541 struct target_cmsghdr *target_cmsg = TARGET_CMSG_FIRSTHDR(target_msgh);
544 while (cmsg && target_cmsg) {
545 void *data = CMSG_DATA(cmsg);
546 void *target_data = TARGET_CMSG_DATA(target_cmsg);
548 int len = cmsg->cmsg_len - CMSG_ALIGN(sizeof (struct cmsghdr));
550 space += TARGET_CMSG_SPACE(len);
551 if (space > tswapl(target_msgh->msg_controllen)) {
552 space -= TARGET_CMSG_SPACE(len);
553 gemu_log("Target cmsg overflow\n");
557 target_cmsg->cmsg_level = tswap32(cmsg->cmsg_level);
558 target_cmsg->cmsg_type = tswap32(cmsg->cmsg_type);
559 target_cmsg->cmsg_len = tswapl(TARGET_CMSG_LEN(len));
561 if (cmsg->cmsg_level != SOL_SOCKET || cmsg->cmsg_type != SCM_RIGHTS) {
562 gemu_log("Unsupported ancillary data: %d/%d\n", cmsg->cmsg_level, cmsg->cmsg_type);
563 memcpy(target_data, data, len);
565 int *fd = (int *)data;
566 int *target_fd = (int *)target_data;
567 int i, numfds = len / sizeof(int);
569 for (i = 0; i < numfds; i++)
570 target_fd[i] = tswap32(fd[i]);
573 cmsg = CMSG_NXTHDR(msgh, cmsg);
574 target_cmsg = TARGET_CMSG_NXTHDR(target_msgh, target_cmsg);
577 msgh->msg_controllen = tswapl(space);
580 static long do_setsockopt(int sockfd, int level, int optname,
581 target_ulong optval, socklen_t optlen)
587 /* TCP options all take an 'int' value. */
588 if (optlen < sizeof(uint32_t))
591 val = tget32(optval);
592 ret = get_errno(setsockopt(sockfd, level, optname, &val, sizeof(val)));
599 case IP_ROUTER_ALERT:
603 case IP_MTU_DISCOVER:
609 case IP_MULTICAST_TTL:
610 case IP_MULTICAST_LOOP:
612 if (optlen >= sizeof(uint32_t)) {
613 val = tget32(optval);
614 } else if (optlen >= 1) {
617 ret = get_errno(setsockopt(sockfd, level, optname, &val, sizeof(val)));
625 /* Options with 'int' argument. */
646 if (optlen < sizeof(uint32_t))
649 val = tget32(optval);
650 ret = get_errno(setsockopt(sockfd, level, optname, &val, sizeof(val)));
658 gemu_log("Unsupported setsockopt level=%d optname=%d \n", level, optname);
664 static long do_getsockopt(int sockfd, int level, int optname,
665 target_ulong optval, target_ulong optlen)
667 int len, lv, val, ret;
677 /* These don't just return a single integer */
684 /* TCP options all take an 'int' value. */
686 len = tget32(optlen);
690 ret = get_errno(getsockopt(sockfd, level, optname, &val, &lv));
707 case IP_ROUTER_ALERT:
711 case IP_MTU_DISCOVER:
717 case IP_MULTICAST_TTL:
718 case IP_MULTICAST_LOOP:
719 len = tget32(optlen);
723 ret = get_errno(getsockopt(sockfd, level, optname, &val, &lv));
726 if (len < sizeof(int) && len > 0 && val >= 0 && val < 255) {
731 if (len > sizeof(int))
743 gemu_log("getsockopt level=%d optname=%d not yet supported\n",
751 static void lock_iovec(struct iovec *vec, target_ulong target_addr,
754 struct target_iovec *target_vec;
758 target_vec = lock_user(target_addr, count * sizeof(struct target_iovec), 1);
759 for(i = 0;i < count; i++) {
760 base = tswapl(target_vec[i].iov_base);
761 vec[i].iov_len = tswapl(target_vec[i].iov_len);
762 vec[i].iov_base = lock_user(base, vec[i].iov_len, copy);
764 unlock_user (target_vec, target_addr, 0);
767 static void unlock_iovec(struct iovec *vec, target_ulong target_addr,
770 struct target_iovec *target_vec;
774 target_vec = lock_user(target_addr, count * sizeof(struct target_iovec), 1);
775 for(i = 0;i < count; i++) {
776 base = tswapl(target_vec[i].iov_base);
777 unlock_user(vec[i].iov_base, base, copy ? vec[i].iov_len : 0);
779 unlock_user (target_vec, target_addr, 0);
782 static long do_socketcall(int num, target_ulong vptr)
785 const int n = sizeof(target_ulong);
790 int domain = tgetl(vptr);
791 int type = tgetl(vptr + n);
792 int protocol = tgetl(vptr + 2 * n);
794 ret = get_errno(socket(domain, type, protocol));
799 int sockfd = tgetl(vptr);
800 target_ulong target_addr = tgetl(vptr + n);
801 socklen_t addrlen = tgetl(vptr + 2 * n);
802 void *addr = alloca(addrlen);
804 target_to_host_sockaddr(addr, target_addr, addrlen);
805 ret = get_errno(bind(sockfd, addr, addrlen));
810 int sockfd = tgetl(vptr);
811 target_ulong target_addr = tgetl(vptr + n);
812 socklen_t addrlen = tgetl(vptr + 2 * n);
813 void *addr = alloca(addrlen);
815 target_to_host_sockaddr(addr, target_addr, addrlen);
816 ret = get_errno(connect(sockfd, addr, addrlen));
821 int sockfd = tgetl(vptr);
822 int backlog = tgetl(vptr + n);
824 ret = get_errno(listen(sockfd, backlog));
829 int sockfd = tgetl(vptr);
830 target_ulong target_addr = tgetl(vptr + n);
831 target_ulong target_addrlen = tgetl(vptr + 2 * n);
832 socklen_t addrlen = tget32(target_addrlen);
833 void *addr = alloca(addrlen);
835 ret = get_errno(accept(sockfd, addr, &addrlen));
836 if (!is_error(ret)) {
837 host_to_target_sockaddr(target_addr, addr, addrlen);
838 tput32(target_addrlen, addrlen);
842 case SOCKOP_getsockname:
844 int sockfd = tgetl(vptr);
845 target_ulong target_addr = tgetl(vptr + n);
846 target_ulong target_addrlen = tgetl(vptr + 2 * n);
847 socklen_t addrlen = tget32(target_addrlen);
848 void *addr = alloca(addrlen);
850 ret = get_errno(getsockname(sockfd, addr, &addrlen));
851 if (!is_error(ret)) {
852 host_to_target_sockaddr(target_addr, addr, addrlen);
853 tput32(target_addrlen, addrlen);
857 case SOCKOP_getpeername:
859 int sockfd = tgetl(vptr);
860 target_ulong target_addr = tgetl(vptr + n);
861 target_ulong target_addrlen = tgetl(vptr + 2 * n);
862 socklen_t addrlen = tget32(target_addrlen);
863 void *addr = alloca(addrlen);
865 ret = get_errno(getpeername(sockfd, addr, &addrlen));
866 if (!is_error(ret)) {
867 host_to_target_sockaddr(target_addr, addr, addrlen);
868 tput32(target_addrlen, addrlen);
872 case SOCKOP_socketpair:
874 int domain = tgetl(vptr);
875 int type = tgetl(vptr + n);
876 int protocol = tgetl(vptr + 2 * n);
877 target_ulong target_tab = tgetl(vptr + 3 * n);
880 ret = get_errno(socketpair(domain, type, protocol, tab));
881 if (!is_error(ret)) {
882 tput32(target_tab, tab[0]);
883 tput32(target_tab + 4, tab[1]);
889 int sockfd = tgetl(vptr);
890 target_ulong msg = tgetl(vptr + n);
891 size_t len = tgetl(vptr + 2 * n);
892 int flags = tgetl(vptr + 3 * n);
895 host_msg = lock_user(msg, len, 1);
896 ret = get_errno(send(sockfd, host_msg, len, flags));
897 unlock_user(host_msg, msg, 0);
902 int sockfd = tgetl(vptr);
903 target_ulong msg = tgetl(vptr + n);
904 size_t len = tgetl(vptr + 2 * n);
905 int flags = tgetl(vptr + 3 * n);
908 host_msg = lock_user(msg, len, 0);
909 ret = get_errno(recv(sockfd, host_msg, len, flags));
910 unlock_user(host_msg, msg, ret);
915 int sockfd = tgetl(vptr);
916 target_ulong msg = tgetl(vptr + n);
917 size_t len = tgetl(vptr + 2 * n);
918 int flags = tgetl(vptr + 3 * n);
919 target_ulong target_addr = tgetl(vptr + 4 * n);
920 socklen_t addrlen = tgetl(vptr + 5 * n);
921 void *addr = alloca(addrlen);
924 host_msg = lock_user(msg, len, 1);
925 target_to_host_sockaddr(addr, target_addr, addrlen);
926 ret = get_errno(sendto(sockfd, host_msg, len, flags, addr, addrlen));
927 unlock_user(host_msg, msg, 0);
930 case SOCKOP_recvfrom:
932 int sockfd = tgetl(vptr);
933 target_ulong msg = tgetl(vptr + n);
934 size_t len = tgetl(vptr + 2 * n);
935 int flags = tgetl(vptr + 3 * n);
936 target_ulong target_addr = tgetl(vptr + 4 * n);
937 target_ulong target_addrlen = tgetl(vptr + 5 * n);
938 socklen_t addrlen = tget32(target_addrlen);
939 void *addr = alloca(addrlen);
942 host_msg = lock_user(msg, len, 0);
943 ret = get_errno(recvfrom(sockfd, host_msg, len, flags, addr, &addrlen));
944 if (!is_error(ret)) {
945 host_to_target_sockaddr(target_addr, addr, addrlen);
946 tput32(target_addrlen, addrlen);
947 unlock_user(host_msg, msg, len);
949 unlock_user(host_msg, msg, 0);
953 case SOCKOP_shutdown:
955 int sockfd = tgetl(vptr);
956 int how = tgetl(vptr + n);
958 ret = get_errno(shutdown(sockfd, how));
965 target_ulong target_msg;
966 struct target_msghdr *msgp;
970 target_ulong target_vec;
971 int send = (num == SOCKOP_sendmsg);
973 target_msg = tgetl(vptr + n);
974 lock_user_struct(msgp, target_msg, 1);
975 if (msgp->msg_name) {
976 msg.msg_namelen = tswap32(msgp->msg_namelen);
977 msg.msg_name = alloca(msg.msg_namelen);
978 target_to_host_sockaddr(msg.msg_name, tswapl(msgp->msg_name),
984 msg.msg_controllen = 2 * tswapl(msgp->msg_controllen);
985 msg.msg_control = alloca(msg.msg_controllen);
986 msg.msg_flags = tswap32(msgp->msg_flags);
988 count = tswapl(msgp->msg_iovlen);
989 vec = alloca(count * sizeof(struct iovec));
990 target_vec = tswapl(msgp->msg_iov);
991 lock_iovec(vec, target_vec, count, send);
992 msg.msg_iovlen = count;
996 flags = tgetl(vptr + 2 * n);
998 target_to_host_cmsg(&msg, msgp);
999 ret = get_errno(sendmsg(fd, &msg, flags));
1001 ret = get_errno(recvmsg(fd, &msg, flags));
1003 host_to_target_cmsg(msgp, &msg);
1005 unlock_iovec(vec, target_vec, count, !send);
1008 case SOCKOP_setsockopt:
1010 int sockfd = tgetl(vptr);
1011 int level = tgetl(vptr + n);
1012 int optname = tgetl(vptr + 2 * n);
1013 target_ulong optval = tgetl(vptr + 3 * n);
1014 socklen_t optlen = tgetl(vptr + 4 * n);
1016 ret = do_setsockopt(sockfd, level, optname, optval, optlen);
1019 case SOCKOP_getsockopt:
1021 int sockfd = tgetl(vptr);
1022 int level = tgetl(vptr + n);
1023 int optname = tgetl(vptr + 2 * n);
1024 target_ulong optval = tgetl(vptr + 3 * n);
1025 target_ulong poptlen = tgetl(vptr + 4 * n);
1027 ret = do_getsockopt(sockfd, level, optname, optval, poptlen);
1031 gemu_log("Unsupported socketcall: %d\n", num);
1039 #define N_SHM_REGIONS 32
1041 static struct shm_region {
1044 } shm_regions[N_SHM_REGIONS];
1046 /* ??? This only works with linear mappings. */
1047 static long do_ipc(long call, long first, long second, long third,
1048 long ptr, long fifth)
1052 unsigned long raddr;
1053 struct shmid_ds shm_info;
1056 version = call >> 16;
1061 /* SHM_* flags are the same on all linux platforms */
1062 ret = get_errno((long) shmat(first, (void *) ptr, second));
1066 /* find out the length of the shared memory segment */
1068 ret = get_errno(shmctl(first, IPC_STAT, &shm_info));
1069 if (is_error(ret)) {
1070 /* can't get length, bail out */
1071 shmdt((void *) raddr);
1074 page_set_flags(raddr, raddr + shm_info.shm_segsz,
1075 PAGE_VALID | PAGE_READ |
1076 ((second & SHM_RDONLY)? 0: PAGE_WRITE));
1077 for (i = 0; i < N_SHM_REGIONS; ++i) {
1078 if (shm_regions[i].start == 0) {
1079 shm_regions[i].start = raddr;
1080 shm_regions[i].size = shm_info.shm_segsz;
1084 if (put_user(raddr, (uint32_t *)third))
1089 for (i = 0; i < N_SHM_REGIONS; ++i) {
1090 if (shm_regions[i].start == ptr) {
1091 shm_regions[i].start = 0;
1092 page_set_flags(ptr, shm_regions[i].size, 0);
1096 ret = get_errno(shmdt((void *) ptr));
1100 /* IPC_* flag values are the same on all linux platforms */
1101 ret = get_errno(shmget(first, second, third));
1104 /* IPC_* and SHM_* command values are the same on all linux platforms */
1110 ret = get_errno(shmctl(first, second, NULL));
1118 gemu_log("Unsupported ipc call: %ld (version %d)\n", call, version);
1125 /* kernel structure types definitions */
1128 #define STRUCT(name, list...) STRUCT_ ## name,
1129 #define STRUCT_SPECIAL(name) STRUCT_ ## name,
1131 #include "syscall_types.h"
1134 #undef STRUCT_SPECIAL
1136 #define STRUCT(name, list...) const argtype struct_ ## name ## _def[] = { list, TYPE_NULL };
1137 #define STRUCT_SPECIAL(name)
1138 #include "syscall_types.h"
1140 #undef STRUCT_SPECIAL
1142 typedef struct IOCTLEntry {
1143 unsigned int target_cmd;
1144 unsigned int host_cmd;
1147 const argtype arg_type[5];
1150 #define IOC_R 0x0001
1151 #define IOC_W 0x0002
1152 #define IOC_RW (IOC_R | IOC_W)
1154 #define MAX_STRUCT_SIZE 4096
1156 IOCTLEntry ioctl_entries[] = {
1157 #define IOCTL(cmd, access, types...) \
1158 { TARGET_ ## cmd, cmd, #cmd, access, { types } },
1163 /* ??? Implement proper locking for ioctls. */
1164 static long do_ioctl(long fd, long cmd, long arg)
1166 const IOCTLEntry *ie;
1167 const argtype *arg_type;
1169 uint8_t buf_temp[MAX_STRUCT_SIZE];
1175 if (ie->target_cmd == 0) {
1176 gemu_log("Unsupported ioctl: cmd=0x%04lx\n", cmd);
1179 if (ie->target_cmd == cmd)
1183 arg_type = ie->arg_type;
1185 gemu_log("ioctl: cmd=0x%04lx (%s)\n", cmd, ie->name);
1187 switch(arg_type[0]) {
1190 ret = get_errno(ioctl(fd, ie->host_cmd));
1195 ret = get_errno(ioctl(fd, ie->host_cmd, arg));
1199 target_size = thunk_type_size(arg_type, 0);
1200 switch(ie->access) {
1202 ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp));
1203 if (!is_error(ret)) {
1204 argptr = lock_user(arg, target_size, 0);
1205 thunk_convert(argptr, buf_temp, arg_type, THUNK_TARGET);
1206 unlock_user(argptr, arg, target_size);
1210 argptr = lock_user(arg, target_size, 1);
1211 thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST);
1212 unlock_user(argptr, arg, 0);
1213 ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp));
1217 argptr = lock_user(arg, target_size, 1);
1218 thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST);
1219 unlock_user(argptr, arg, 0);
1220 ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp));
1221 if (!is_error(ret)) {
1222 argptr = lock_user(arg, target_size, 0);
1223 thunk_convert(argptr, buf_temp, arg_type, THUNK_TARGET);
1224 unlock_user(argptr, arg, target_size);
1230 gemu_log("Unsupported ioctl type: cmd=0x%04lx type=%d\n", cmd, arg_type[0]);
1237 bitmask_transtbl iflag_tbl[] = {
1238 { TARGET_IGNBRK, TARGET_IGNBRK, IGNBRK, IGNBRK },
1239 { TARGET_BRKINT, TARGET_BRKINT, BRKINT, BRKINT },
1240 { TARGET_IGNPAR, TARGET_IGNPAR, IGNPAR, IGNPAR },
1241 { TARGET_PARMRK, TARGET_PARMRK, PARMRK, PARMRK },
1242 { TARGET_INPCK, TARGET_INPCK, INPCK, INPCK },
1243 { TARGET_ISTRIP, TARGET_ISTRIP, ISTRIP, ISTRIP },
1244 { TARGET_INLCR, TARGET_INLCR, INLCR, INLCR },
1245 { TARGET_IGNCR, TARGET_IGNCR, IGNCR, IGNCR },
1246 { TARGET_ICRNL, TARGET_ICRNL, ICRNL, ICRNL },
1247 { TARGET_IUCLC, TARGET_IUCLC, IUCLC, IUCLC },
1248 { TARGET_IXON, TARGET_IXON, IXON, IXON },
1249 { TARGET_IXANY, TARGET_IXANY, IXANY, IXANY },
1250 { TARGET_IXOFF, TARGET_IXOFF, IXOFF, IXOFF },
1251 { TARGET_IMAXBEL, TARGET_IMAXBEL, IMAXBEL, IMAXBEL },
1255 bitmask_transtbl oflag_tbl[] = {
1256 { TARGET_OPOST, TARGET_OPOST, OPOST, OPOST },
1257 { TARGET_OLCUC, TARGET_OLCUC, OLCUC, OLCUC },
1258 { TARGET_ONLCR, TARGET_ONLCR, ONLCR, ONLCR },
1259 { TARGET_OCRNL, TARGET_OCRNL, OCRNL, OCRNL },
1260 { TARGET_ONOCR, TARGET_ONOCR, ONOCR, ONOCR },
1261 { TARGET_ONLRET, TARGET_ONLRET, ONLRET, ONLRET },
1262 { TARGET_OFILL, TARGET_OFILL, OFILL, OFILL },
1263 { TARGET_OFDEL, TARGET_OFDEL, OFDEL, OFDEL },
1264 { TARGET_NLDLY, TARGET_NL0, NLDLY, NL0 },
1265 { TARGET_NLDLY, TARGET_NL1, NLDLY, NL1 },
1266 { TARGET_CRDLY, TARGET_CR0, CRDLY, CR0 },
1267 { TARGET_CRDLY, TARGET_CR1, CRDLY, CR1 },
1268 { TARGET_CRDLY, TARGET_CR2, CRDLY, CR2 },
1269 { TARGET_CRDLY, TARGET_CR3, CRDLY, CR3 },
1270 { TARGET_TABDLY, TARGET_TAB0, TABDLY, TAB0 },
1271 { TARGET_TABDLY, TARGET_TAB1, TABDLY, TAB1 },
1272 { TARGET_TABDLY, TARGET_TAB2, TABDLY, TAB2 },
1273 { TARGET_TABDLY, TARGET_TAB3, TABDLY, TAB3 },
1274 { TARGET_BSDLY, TARGET_BS0, BSDLY, BS0 },
1275 { TARGET_BSDLY, TARGET_BS1, BSDLY, BS1 },
1276 { TARGET_VTDLY, TARGET_VT0, VTDLY, VT0 },
1277 { TARGET_VTDLY, TARGET_VT1, VTDLY, VT1 },
1278 { TARGET_FFDLY, TARGET_FF0, FFDLY, FF0 },
1279 { TARGET_FFDLY, TARGET_FF1, FFDLY, FF1 },
1283 bitmask_transtbl cflag_tbl[] = {
1284 { TARGET_CBAUD, TARGET_B0, CBAUD, B0 },
1285 { TARGET_CBAUD, TARGET_B50, CBAUD, B50 },
1286 { TARGET_CBAUD, TARGET_B75, CBAUD, B75 },
1287 { TARGET_CBAUD, TARGET_B110, CBAUD, B110 },
1288 { TARGET_CBAUD, TARGET_B134, CBAUD, B134 },
1289 { TARGET_CBAUD, TARGET_B150, CBAUD, B150 },
1290 { TARGET_CBAUD, TARGET_B200, CBAUD, B200 },
1291 { TARGET_CBAUD, TARGET_B300, CBAUD, B300 },
1292 { TARGET_CBAUD, TARGET_B600, CBAUD, B600 },
1293 { TARGET_CBAUD, TARGET_B1200, CBAUD, B1200 },
1294 { TARGET_CBAUD, TARGET_B1800, CBAUD, B1800 },
1295 { TARGET_CBAUD, TARGET_B2400, CBAUD, B2400 },
1296 { TARGET_CBAUD, TARGET_B4800, CBAUD, B4800 },
1297 { TARGET_CBAUD, TARGET_B9600, CBAUD, B9600 },
1298 { TARGET_CBAUD, TARGET_B19200, CBAUD, B19200 },
1299 { TARGET_CBAUD, TARGET_B38400, CBAUD, B38400 },
1300 { TARGET_CBAUD, TARGET_B57600, CBAUD, B57600 },
1301 { TARGET_CBAUD, TARGET_B115200, CBAUD, B115200 },
1302 { TARGET_CBAUD, TARGET_B230400, CBAUD, B230400 },
1303 { TARGET_CBAUD, TARGET_B460800, CBAUD, B460800 },
1304 { TARGET_CSIZE, TARGET_CS5, CSIZE, CS5 },
1305 { TARGET_CSIZE, TARGET_CS6, CSIZE, CS6 },
1306 { TARGET_CSIZE, TARGET_CS7, CSIZE, CS7 },
1307 { TARGET_CSIZE, TARGET_CS8, CSIZE, CS8 },
1308 { TARGET_CSTOPB, TARGET_CSTOPB, CSTOPB, CSTOPB },
1309 { TARGET_CREAD, TARGET_CREAD, CREAD, CREAD },
1310 { TARGET_PARENB, TARGET_PARENB, PARENB, PARENB },
1311 { TARGET_PARODD, TARGET_PARODD, PARODD, PARODD },
1312 { TARGET_HUPCL, TARGET_HUPCL, HUPCL, HUPCL },
1313 { TARGET_CLOCAL, TARGET_CLOCAL, CLOCAL, CLOCAL },
1314 { TARGET_CRTSCTS, TARGET_CRTSCTS, CRTSCTS, CRTSCTS },
1318 bitmask_transtbl lflag_tbl[] = {
1319 { TARGET_ISIG, TARGET_ISIG, ISIG, ISIG },
1320 { TARGET_ICANON, TARGET_ICANON, ICANON, ICANON },
1321 { TARGET_XCASE, TARGET_XCASE, XCASE, XCASE },
1322 { TARGET_ECHO, TARGET_ECHO, ECHO, ECHO },
1323 { TARGET_ECHOE, TARGET_ECHOE, ECHOE, ECHOE },
1324 { TARGET_ECHOK, TARGET_ECHOK, ECHOK, ECHOK },
1325 { TARGET_ECHONL, TARGET_ECHONL, ECHONL, ECHONL },
1326 { TARGET_NOFLSH, TARGET_NOFLSH, NOFLSH, NOFLSH },
1327 { TARGET_TOSTOP, TARGET_TOSTOP, TOSTOP, TOSTOP },
1328 { TARGET_ECHOCTL, TARGET_ECHOCTL, ECHOCTL, ECHOCTL },
1329 { TARGET_ECHOPRT, TARGET_ECHOPRT, ECHOPRT, ECHOPRT },
1330 { TARGET_ECHOKE, TARGET_ECHOKE, ECHOKE, ECHOKE },
1331 { TARGET_FLUSHO, TARGET_FLUSHO, FLUSHO, FLUSHO },
1332 { TARGET_PENDIN, TARGET_PENDIN, PENDIN, PENDIN },
1333 { TARGET_IEXTEN, TARGET_IEXTEN, IEXTEN, IEXTEN },
1337 static void target_to_host_termios (void *dst, const void *src)
1339 struct host_termios *host = dst;
1340 const struct target_termios *target = src;
1343 target_to_host_bitmask(tswap32(target->c_iflag), iflag_tbl);
1345 target_to_host_bitmask(tswap32(target->c_oflag), oflag_tbl);
1347 target_to_host_bitmask(tswap32(target->c_cflag), cflag_tbl);
1349 target_to_host_bitmask(tswap32(target->c_lflag), lflag_tbl);
1350 host->c_line = target->c_line;
1352 host->c_cc[VINTR] = target->c_cc[TARGET_VINTR];
1353 host->c_cc[VQUIT] = target->c_cc[TARGET_VQUIT];
1354 host->c_cc[VERASE] = target->c_cc[TARGET_VERASE];
1355 host->c_cc[VKILL] = target->c_cc[TARGET_VKILL];
1356 host->c_cc[VEOF] = target->c_cc[TARGET_VEOF];
1357 host->c_cc[VTIME] = target->c_cc[TARGET_VTIME];
1358 host->c_cc[VMIN] = target->c_cc[TARGET_VMIN];
1359 host->c_cc[VSWTC] = target->c_cc[TARGET_VSWTC];
1360 host->c_cc[VSTART] = target->c_cc[TARGET_VSTART];
1361 host->c_cc[VSTOP] = target->c_cc[TARGET_VSTOP];
1362 host->c_cc[VSUSP] = target->c_cc[TARGET_VSUSP];
1363 host->c_cc[VEOL] = target->c_cc[TARGET_VEOL];
1364 host->c_cc[VREPRINT] = target->c_cc[TARGET_VREPRINT];
1365 host->c_cc[VDISCARD] = target->c_cc[TARGET_VDISCARD];
1366 host->c_cc[VWERASE] = target->c_cc[TARGET_VWERASE];
1367 host->c_cc[VLNEXT] = target->c_cc[TARGET_VLNEXT];
1368 host->c_cc[VEOL2] = target->c_cc[TARGET_VEOL2];
1371 static void host_to_target_termios (void *dst, const void *src)
1373 struct target_termios *target = dst;
1374 const struct host_termios *host = src;
1377 tswap32(host_to_target_bitmask(host->c_iflag, iflag_tbl));
1379 tswap32(host_to_target_bitmask(host->c_oflag, oflag_tbl));
1381 tswap32(host_to_target_bitmask(host->c_cflag, cflag_tbl));
1383 tswap32(host_to_target_bitmask(host->c_lflag, lflag_tbl));
1384 target->c_line = host->c_line;
1386 target->c_cc[TARGET_VINTR] = host->c_cc[VINTR];
1387 target->c_cc[TARGET_VQUIT] = host->c_cc[VQUIT];
1388 target->c_cc[TARGET_VERASE] = host->c_cc[VERASE];
1389 target->c_cc[TARGET_VKILL] = host->c_cc[VKILL];
1390 target->c_cc[TARGET_VEOF] = host->c_cc[VEOF];
1391 target->c_cc[TARGET_VTIME] = host->c_cc[VTIME];
1392 target->c_cc[TARGET_VMIN] = host->c_cc[VMIN];
1393 target->c_cc[TARGET_VSWTC] = host->c_cc[VSWTC];
1394 target->c_cc[TARGET_VSTART] = host->c_cc[VSTART];
1395 target->c_cc[TARGET_VSTOP] = host->c_cc[VSTOP];
1396 target->c_cc[TARGET_VSUSP] = host->c_cc[VSUSP];
1397 target->c_cc[TARGET_VEOL] = host->c_cc[VEOL];
1398 target->c_cc[TARGET_VREPRINT] = host->c_cc[VREPRINT];
1399 target->c_cc[TARGET_VDISCARD] = host->c_cc[VDISCARD];
1400 target->c_cc[TARGET_VWERASE] = host->c_cc[VWERASE];
1401 target->c_cc[TARGET_VLNEXT] = host->c_cc[VLNEXT];
1402 target->c_cc[TARGET_VEOL2] = host->c_cc[VEOL2];
1405 StructEntry struct_termios_def = {
1406 .convert = { host_to_target_termios, target_to_host_termios },
1407 .size = { sizeof(struct target_termios), sizeof(struct host_termios) },
1408 .align = { __alignof__(struct target_termios), __alignof__(struct host_termios) },
1411 static bitmask_transtbl mmap_flags_tbl[] = {
1412 { TARGET_MAP_SHARED, TARGET_MAP_SHARED, MAP_SHARED, MAP_SHARED },
1413 { TARGET_MAP_PRIVATE, TARGET_MAP_PRIVATE, MAP_PRIVATE, MAP_PRIVATE },
1414 { TARGET_MAP_FIXED, TARGET_MAP_FIXED, MAP_FIXED, MAP_FIXED },
1415 { TARGET_MAP_ANONYMOUS, TARGET_MAP_ANONYMOUS, MAP_ANONYMOUS, MAP_ANONYMOUS },
1416 { TARGET_MAP_GROWSDOWN, TARGET_MAP_GROWSDOWN, MAP_GROWSDOWN, MAP_GROWSDOWN },
1417 { TARGET_MAP_DENYWRITE, TARGET_MAP_DENYWRITE, MAP_DENYWRITE, MAP_DENYWRITE },
1418 { TARGET_MAP_EXECUTABLE, TARGET_MAP_EXECUTABLE, MAP_EXECUTABLE, MAP_EXECUTABLE },
1419 { TARGET_MAP_LOCKED, TARGET_MAP_LOCKED, MAP_LOCKED, MAP_LOCKED },
1423 static bitmask_transtbl fcntl_flags_tbl[] = {
1424 { TARGET_O_ACCMODE, TARGET_O_WRONLY, O_ACCMODE, O_WRONLY, },
1425 { TARGET_O_ACCMODE, TARGET_O_RDWR, O_ACCMODE, O_RDWR, },
1426 { TARGET_O_CREAT, TARGET_O_CREAT, O_CREAT, O_CREAT, },
1427 { TARGET_O_EXCL, TARGET_O_EXCL, O_EXCL, O_EXCL, },
1428 { TARGET_O_NOCTTY, TARGET_O_NOCTTY, O_NOCTTY, O_NOCTTY, },
1429 { TARGET_O_TRUNC, TARGET_O_TRUNC, O_TRUNC, O_TRUNC, },
1430 { TARGET_O_APPEND, TARGET_O_APPEND, O_APPEND, O_APPEND, },
1431 { TARGET_O_NONBLOCK, TARGET_O_NONBLOCK, O_NONBLOCK, O_NONBLOCK, },
1432 { TARGET_O_SYNC, TARGET_O_SYNC, O_SYNC, O_SYNC, },
1433 { TARGET_FASYNC, TARGET_FASYNC, FASYNC, FASYNC, },
1434 { TARGET_O_DIRECTORY, TARGET_O_DIRECTORY, O_DIRECTORY, O_DIRECTORY, },
1435 { TARGET_O_NOFOLLOW, TARGET_O_NOFOLLOW, O_NOFOLLOW, O_NOFOLLOW, },
1436 { TARGET_O_LARGEFILE, TARGET_O_LARGEFILE, O_LARGEFILE, O_LARGEFILE, },
1437 #if defined(O_DIRECT)
1438 { TARGET_O_DIRECT, TARGET_O_DIRECT, O_DIRECT, O_DIRECT, },
1443 #if defined(TARGET_I386)
1445 /* NOTE: there is really one LDT for all the threads */
1448 static int read_ldt(target_ulong ptr, unsigned long bytecount)
1455 size = TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE;
1456 if (size > bytecount)
1458 p = lock_user(ptr, size, 0);
1459 /* ??? Shoudl this by byteswapped? */
1460 memcpy(p, ldt_table, size);
1461 unlock_user(p, ptr, size);
1465 /* XXX: add locking support */
1466 static int write_ldt(CPUX86State *env,
1467 target_ulong ptr, unsigned long bytecount, int oldmode)
1469 struct target_modify_ldt_ldt_s ldt_info;
1470 struct target_modify_ldt_ldt_s *target_ldt_info;
1471 int seg_32bit, contents, read_exec_only, limit_in_pages;
1472 int seg_not_present, useable;
1473 uint32_t *lp, entry_1, entry_2;
1475 if (bytecount != sizeof(ldt_info))
1477 lock_user_struct(target_ldt_info, ptr, 1);
1478 ldt_info.entry_number = tswap32(target_ldt_info->entry_number);
1479 ldt_info.base_addr = tswapl(target_ldt_info->base_addr);
1480 ldt_info.limit = tswap32(target_ldt_info->limit);
1481 ldt_info.flags = tswap32(target_ldt_info->flags);
1482 unlock_user_struct(target_ldt_info, ptr, 0);
1484 if (ldt_info.entry_number >= TARGET_LDT_ENTRIES)
1486 seg_32bit = ldt_info.flags & 1;
1487 contents = (ldt_info.flags >> 1) & 3;
1488 read_exec_only = (ldt_info.flags >> 3) & 1;
1489 limit_in_pages = (ldt_info.flags >> 4) & 1;
1490 seg_not_present = (ldt_info.flags >> 5) & 1;
1491 useable = (ldt_info.flags >> 6) & 1;
1493 if (contents == 3) {
1496 if (seg_not_present == 0)
1499 /* allocate the LDT */
1501 ldt_table = malloc(TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE);
1504 memset(ldt_table, 0, TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE);
1505 env->ldt.base = h2g(ldt_table);
1506 env->ldt.limit = 0xffff;
1509 /* NOTE: same code as Linux kernel */
1510 /* Allow LDTs to be cleared by the user. */
1511 if (ldt_info.base_addr == 0 && ldt_info.limit == 0) {
1514 read_exec_only == 1 &&
1516 limit_in_pages == 0 &&
1517 seg_not_present == 1 &&
1525 entry_1 = ((ldt_info.base_addr & 0x0000ffff) << 16) |
1526 (ldt_info.limit & 0x0ffff);
1527 entry_2 = (ldt_info.base_addr & 0xff000000) |
1528 ((ldt_info.base_addr & 0x00ff0000) >> 16) |
1529 (ldt_info.limit & 0xf0000) |
1530 ((read_exec_only ^ 1) << 9) |
1532 ((seg_not_present ^ 1) << 15) |
1534 (limit_in_pages << 23) |
1537 entry_2 |= (useable << 20);
1539 /* Install the new entry ... */
1541 lp = (uint32_t *)(ldt_table + (ldt_info.entry_number << 3));
1542 lp[0] = tswap32(entry_1);
1543 lp[1] = tswap32(entry_2);
1547 /* specific and weird i386 syscalls */
1548 int do_modify_ldt(CPUX86State *env, int func, target_ulong ptr, unsigned long bytecount)
1554 ret = read_ldt(ptr, bytecount);
1557 ret = write_ldt(env, ptr, bytecount, 1);
1560 ret = write_ldt(env, ptr, bytecount, 0);
1566 #endif /* defined(TARGET_I386) */
1568 /* this stack is the equivalent of the kernel stack associated with a
1570 #define NEW_STACK_SIZE 8192
1572 static int clone_func(void *arg)
1574 CPUState *env = arg;
1580 int do_fork(CPUState *env, unsigned int flags, unsigned long newsp)
1587 if (flags & CLONE_VM) {
1588 ts = malloc(sizeof(TaskState) + NEW_STACK_SIZE);
1589 memset(ts, 0, sizeof(TaskState));
1590 new_stack = ts->stack;
1592 /* add in task state list */
1593 ts->next = first_task_state;
1594 first_task_state = ts;
1595 /* we create a new CPU instance. */
1596 new_env = cpu_init();
1597 memcpy(new_env, env, sizeof(CPUState));
1598 #if defined(TARGET_I386)
1600 newsp = env->regs[R_ESP];
1601 new_env->regs[R_ESP] = newsp;
1602 new_env->regs[R_EAX] = 0;
1603 #elif defined(TARGET_ARM)
1605 newsp = env->regs[13];
1606 new_env->regs[13] = newsp;
1607 new_env->regs[0] = 0;
1608 #elif defined(TARGET_SPARC)
1609 printf ("HELPME: %s:%d\n", __FILE__, __LINE__);
1610 #elif defined(TARGET_MIPS)
1611 printf ("HELPME: %s:%d\n", __FILE__, __LINE__);
1612 #elif defined(TARGET_PPC)
1614 newsp = env->gpr[1];
1615 new_env->gpr[1] = newsp;
1618 for (i = 7; i < 32; i++)
1619 new_env->gpr[i] = 0;
1622 #error unsupported target CPU
1624 new_env->opaque = ts;
1626 ret = clone2(clone_func, new_stack + NEW_STACK_SIZE, flags, new_env);
1628 ret = clone(clone_func, new_stack + NEW_STACK_SIZE, flags, new_env);
1631 /* if no CLONE_VM, we consider it is a fork */
1632 if ((flags & ~CSIGNAL) != 0)
1639 static long do_fcntl(int fd, int cmd, target_ulong arg)
1642 struct target_flock *target_fl;
1646 case TARGET_F_GETLK:
1647 ret = fcntl(fd, cmd, &fl);
1649 lock_user_struct(target_fl, arg, 0);
1650 target_fl->l_type = tswap16(fl.l_type);
1651 target_fl->l_whence = tswap16(fl.l_whence);
1652 target_fl->l_start = tswapl(fl.l_start);
1653 target_fl->l_len = tswapl(fl.l_len);
1654 target_fl->l_pid = tswapl(fl.l_pid);
1655 unlock_user_struct(target_fl, arg, 1);
1659 case TARGET_F_SETLK:
1660 case TARGET_F_SETLKW:
1661 lock_user_struct(target_fl, arg, 1);
1662 fl.l_type = tswap16(target_fl->l_type);
1663 fl.l_whence = tswap16(target_fl->l_whence);
1664 fl.l_start = tswapl(target_fl->l_start);
1665 fl.l_len = tswapl(target_fl->l_len);
1666 fl.l_pid = tswapl(target_fl->l_pid);
1667 unlock_user_struct(target_fl, arg, 0);
1668 ret = fcntl(fd, cmd, &fl);
1671 case TARGET_F_GETLK64:
1672 case TARGET_F_SETLK64:
1673 case TARGET_F_SETLKW64:
1679 ret = fcntl(fd, cmd, arg);
1680 ret = host_to_target_bitmask(ret, fcntl_flags_tbl);
1684 ret = fcntl(fd, cmd, target_to_host_bitmask(arg, fcntl_flags_tbl));
1688 ret = fcntl(fd, cmd, arg);
1696 static inline int high2lowuid(int uid)
1704 static inline int high2lowgid(int gid)
1712 static inline int low2highuid(int uid)
1714 if ((int16_t)uid == -1)
1720 static inline int low2highgid(int gid)
1722 if ((int16_t)gid == -1)
1728 #endif /* USE_UID16 */
1730 void syscall_init(void)
1733 const argtype *arg_type;
1736 #define STRUCT(name, list...) thunk_register_struct(STRUCT_ ## name, #name, struct_ ## name ## _def);
1737 #define STRUCT_SPECIAL(name) thunk_register_struct_direct(STRUCT_ ## name, #name, &struct_ ## name ## _def);
1738 #include "syscall_types.h"
1740 #undef STRUCT_SPECIAL
1742 /* we patch the ioctl size if necessary. We rely on the fact that
1743 no ioctl has all the bits at '1' in the size field */
1745 while (ie->target_cmd != 0) {
1746 if (((ie->target_cmd >> TARGET_IOC_SIZESHIFT) & TARGET_IOC_SIZEMASK) ==
1747 TARGET_IOC_SIZEMASK) {
1748 arg_type = ie->arg_type;
1749 if (arg_type[0] != TYPE_PTR) {
1750 fprintf(stderr, "cannot patch size for ioctl 0x%x\n",
1755 size = thunk_type_size(arg_type, 0);
1756 ie->target_cmd = (ie->target_cmd &
1757 ~(TARGET_IOC_SIZEMASK << TARGET_IOC_SIZESHIFT)) |
1758 (size << TARGET_IOC_SIZESHIFT);
1760 /* automatic consistency check if same arch */
1761 #if defined(__i386__) && defined(TARGET_I386)
1762 if (ie->target_cmd != ie->host_cmd) {
1763 fprintf(stderr, "ERROR: ioctl: target=0x%x host=0x%x\n",
1764 ie->target_cmd, ie->host_cmd);
1771 static inline uint64_t target_offset64(uint32_t word0, uint32_t word1)
1773 #ifdef TARGET_WORDS_BIG_ENDIAN
1774 return ((uint64_t)word0 << 32) | word1;
1776 return ((uint64_t)word1 << 32) | word0;
1780 #ifdef TARGET_NR_truncate64
1781 static inline long target_truncate64(void *cpu_env, const char *arg1,
1782 long arg2, long arg3, long arg4)
1785 if (((CPUARMState *)cpu_env)->eabi)
1791 return get_errno(truncate64(arg1, target_offset64(arg2, arg3)));
1795 #ifdef TARGET_NR_ftruncate64
1796 static inline long target_ftruncate64(void *cpu_env, long arg1, long arg2,
1797 long arg3, long arg4)
1800 if (((CPUARMState *)cpu_env)->eabi)
1806 return get_errno(ftruncate64(arg1, target_offset64(arg2, arg3)));
1810 static inline void target_to_host_timespec(struct timespec *host_ts,
1811 target_ulong target_addr)
1813 struct target_timespec *target_ts;
1815 lock_user_struct(target_ts, target_addr, 1);
1816 host_ts->tv_sec = tswapl(target_ts->tv_sec);
1817 host_ts->tv_nsec = tswapl(target_ts->tv_nsec);
1818 unlock_user_struct(target_ts, target_addr, 0);
1821 static inline void host_to_target_timespec(target_ulong target_addr,
1822 struct timespec *host_ts)
1824 struct target_timespec *target_ts;
1826 lock_user_struct(target_ts, target_addr, 0);
1827 target_ts->tv_sec = tswapl(host_ts->tv_sec);
1828 target_ts->tv_nsec = tswapl(host_ts->tv_nsec);
1829 unlock_user_struct(target_ts, target_addr, 1);
1832 long do_syscall(void *cpu_env, int num, long arg1, long arg2, long arg3,
1833 long arg4, long arg5, long arg6)
1841 gemu_log("syscall %d", num);
1844 case TARGET_NR_exit:
1848 gdb_exit(cpu_env, arg1);
1849 /* XXX: should free thread stack and CPU env */
1851 ret = 0; /* avoid warning */
1853 case TARGET_NR_read:
1854 page_unprotect_range(arg2, arg3);
1855 p = lock_user(arg2, arg3, 0);
1856 ret = get_errno(read(arg1, p, arg3));
1857 unlock_user(p, arg2, ret);
1859 case TARGET_NR_write:
1860 p = lock_user(arg2, arg3, 1);
1861 ret = get_errno(write(arg1, p, arg3));
1862 unlock_user(p, arg2, 0);
1864 case TARGET_NR_open:
1865 p = lock_user_string(arg1);
1866 ret = get_errno(open(path(p),
1867 target_to_host_bitmask(arg2, fcntl_flags_tbl),
1869 unlock_user(p, arg1, 0);
1871 case TARGET_NR_close:
1872 ret = get_errno(close(arg1));
1877 case TARGET_NR_fork:
1878 ret = get_errno(do_fork(cpu_env, SIGCHLD, 0));
1880 case TARGET_NR_waitpid:
1883 ret = get_errno(waitpid(arg1, &status, arg3));
1884 if (!is_error(ret) && arg2)
1885 tput32(arg2, status);
1888 case TARGET_NR_creat:
1889 p = lock_user_string(arg1);
1890 ret = get_errno(creat(p, arg2));
1891 unlock_user(p, arg1, 0);
1893 case TARGET_NR_link:
1896 p = lock_user_string(arg1);
1897 p2 = lock_user_string(arg2);
1898 ret = get_errno(link(p, p2));
1899 unlock_user(p2, arg2, 0);
1900 unlock_user(p, arg1, 0);
1903 case TARGET_NR_unlink:
1904 p = lock_user_string(arg1);
1905 ret = get_errno(unlink(p));
1906 unlock_user(p, arg1, 0);
1908 case TARGET_NR_execve:
1910 char **argp, **envp;
1913 target_ulong guest_argp;
1914 target_ulong guest_envp;
1920 for (gp = guest_argp; tgetl(gp); gp++)
1924 for (gp = guest_envp; tgetl(gp); gp++)
1927 argp = alloca((argc + 1) * sizeof(void *));
1928 envp = alloca((envc + 1) * sizeof(void *));
1930 for (gp = guest_argp, q = argp; ;
1931 gp += sizeof(target_ulong), q++) {
1935 *q = lock_user_string(addr);
1939 for (gp = guest_envp, q = envp; ;
1940 gp += sizeof(target_ulong), q++) {
1944 *q = lock_user_string(addr);
1948 p = lock_user_string(arg1);
1949 ret = get_errno(execve(p, argp, envp));
1950 unlock_user(p, arg1, 0);
1952 for (gp = guest_argp, q = argp; *q;
1953 gp += sizeof(target_ulong), q++) {
1955 unlock_user(*q, addr, 0);
1957 for (gp = guest_envp, q = envp; *q;
1958 gp += sizeof(target_ulong), q++) {
1960 unlock_user(*q, addr, 0);
1964 case TARGET_NR_chdir:
1965 p = lock_user_string(arg1);
1966 ret = get_errno(chdir(p));
1967 unlock_user(p, arg1, 0);
1969 #ifdef TARGET_NR_time
1970 case TARGET_NR_time:
1973 ret = get_errno(time(&host_time));
1974 if (!is_error(ret) && arg1)
1975 tputl(arg1, host_time);
1979 case TARGET_NR_mknod:
1980 p = lock_user_string(arg1);
1981 ret = get_errno(mknod(p, arg2, arg3));
1982 unlock_user(p, arg1, 0);
1984 case TARGET_NR_chmod:
1985 p = lock_user_string(arg1);
1986 ret = get_errno(chmod(p, arg2));
1987 unlock_user(p, arg1, 0);
1989 #ifdef TARGET_NR_break
1990 case TARGET_NR_break:
1993 #ifdef TARGET_NR_oldstat
1994 case TARGET_NR_oldstat:
1997 case TARGET_NR_lseek:
1998 ret = get_errno(lseek(arg1, arg2, arg3));
2000 case TARGET_NR_getpid:
2001 ret = get_errno(getpid());
2003 case TARGET_NR_mount:
2004 /* need to look at the data field */
2006 case TARGET_NR_umount:
2007 p = lock_user_string(arg1);
2008 ret = get_errno(umount(p));
2009 unlock_user(p, arg1, 0);
2011 case TARGET_NR_stime:
2014 host_time = tgetl(arg1);
2015 ret = get_errno(stime(&host_time));
2018 case TARGET_NR_ptrace:
2020 case TARGET_NR_alarm:
2023 #ifdef TARGET_NR_oldfstat
2024 case TARGET_NR_oldfstat:
2027 case TARGET_NR_pause:
2028 ret = get_errno(pause());
2030 case TARGET_NR_utime:
2032 struct utimbuf tbuf, *host_tbuf;
2033 struct target_utimbuf *target_tbuf;
2035 lock_user_struct(target_tbuf, arg2, 1);
2036 tbuf.actime = tswapl(target_tbuf->actime);
2037 tbuf.modtime = tswapl(target_tbuf->modtime);
2038 unlock_user_struct(target_tbuf, arg2, 0);
2043 p = lock_user_string(arg1);
2044 ret = get_errno(utime(p, host_tbuf));
2045 unlock_user(p, arg1, 0);
2048 case TARGET_NR_utimes:
2050 struct timeval *tvp, tv[2];
2052 target_to_host_timeval(&tv[0], arg2);
2053 target_to_host_timeval(&tv[1],
2054 arg2 + sizeof (struct target_timeval));
2059 p = lock_user_string(arg1);
2060 ret = get_errno(utimes(p, tvp));
2061 unlock_user(p, arg1, 0);
2064 #ifdef TARGET_NR_stty
2065 case TARGET_NR_stty:
2068 #ifdef TARGET_NR_gtty
2069 case TARGET_NR_gtty:
2072 case TARGET_NR_access:
2073 p = lock_user_string(arg1);
2074 ret = get_errno(access(p, arg2));
2075 unlock_user(p, arg1, 0);
2077 case TARGET_NR_nice:
2078 ret = get_errno(nice(arg1));
2080 #ifdef TARGET_NR_ftime
2081 case TARGET_NR_ftime:
2084 case TARGET_NR_sync:
2088 case TARGET_NR_kill:
2089 ret = get_errno(kill(arg1, arg2));
2091 case TARGET_NR_rename:
2094 p = lock_user_string(arg1);
2095 p2 = lock_user_string(arg2);
2096 ret = get_errno(rename(p, p2));
2097 unlock_user(p2, arg2, 0);
2098 unlock_user(p, arg1, 0);
2101 case TARGET_NR_mkdir:
2102 p = lock_user_string(arg1);
2103 ret = get_errno(mkdir(p, arg2));
2104 unlock_user(p, arg1, 0);
2106 case TARGET_NR_rmdir:
2107 p = lock_user_string(arg1);
2108 ret = get_errno(rmdir(p));
2109 unlock_user(p, arg1, 0);
2112 ret = get_errno(dup(arg1));
2114 case TARGET_NR_pipe:
2117 ret = get_errno(pipe(host_pipe));
2118 if (!is_error(ret)) {
2119 tput32(arg1, host_pipe[0]);
2120 tput32(arg1 + 4, host_pipe[1]);
2124 case TARGET_NR_times:
2126 struct target_tms *tmsp;
2128 ret = get_errno(times(&tms));
2130 tmsp = lock_user(arg1, sizeof(struct target_tms), 0);
2131 tmsp->tms_utime = tswapl(host_to_target_clock_t(tms.tms_utime));
2132 tmsp->tms_stime = tswapl(host_to_target_clock_t(tms.tms_stime));
2133 tmsp->tms_cutime = tswapl(host_to_target_clock_t(tms.tms_cutime));
2134 tmsp->tms_cstime = tswapl(host_to_target_clock_t(tms.tms_cstime));
2137 ret = host_to_target_clock_t(ret);
2140 #ifdef TARGET_NR_prof
2141 case TARGET_NR_prof:
2144 case TARGET_NR_signal:
2147 case TARGET_NR_acct:
2148 p = lock_user_string(arg1);
2149 ret = get_errno(acct(path(p)));
2150 unlock_user(p, arg1, 0);
2152 case TARGET_NR_umount2:
2153 p = lock_user_string(arg1);
2154 ret = get_errno(umount2(p, arg2));
2155 unlock_user(p, arg1, 0);
2157 #ifdef TARGET_NR_lock
2158 case TARGET_NR_lock:
2161 case TARGET_NR_ioctl:
2162 ret = do_ioctl(arg1, arg2, arg3);
2164 case TARGET_NR_fcntl:
2165 ret = get_errno(do_fcntl(arg1, arg2, arg3));
2167 #ifdef TARGET_NR_mpx
2171 case TARGET_NR_setpgid:
2172 ret = get_errno(setpgid(arg1, arg2));
2174 #ifdef TARGET_NR_ulimit
2175 case TARGET_NR_ulimit:
2178 #ifdef TARGET_NR_oldolduname
2179 case TARGET_NR_oldolduname:
2182 case TARGET_NR_umask:
2183 ret = get_errno(umask(arg1));
2185 case TARGET_NR_chroot:
2186 p = lock_user_string(arg1);
2187 ret = get_errno(chroot(p));
2188 unlock_user(p, arg1, 0);
2190 case TARGET_NR_ustat:
2192 case TARGET_NR_dup2:
2193 ret = get_errno(dup2(arg1, arg2));
2195 case TARGET_NR_getppid:
2196 ret = get_errno(getppid());
2198 case TARGET_NR_getpgrp:
2199 ret = get_errno(getpgrp());
2201 case TARGET_NR_setsid:
2202 ret = get_errno(setsid());
2204 case TARGET_NR_sigaction:
2206 struct target_old_sigaction *old_act;
2207 struct target_sigaction act, oact, *pact;
2209 lock_user_struct(old_act, arg2, 1);
2210 act._sa_handler = old_act->_sa_handler;
2211 target_siginitset(&act.sa_mask, old_act->sa_mask);
2212 act.sa_flags = old_act->sa_flags;
2213 act.sa_restorer = old_act->sa_restorer;
2214 unlock_user_struct(old_act, arg2, 0);
2219 ret = get_errno(do_sigaction(arg1, pact, &oact));
2220 if (!is_error(ret) && arg3) {
2221 lock_user_struct(old_act, arg3, 0);
2222 old_act->_sa_handler = oact._sa_handler;
2223 old_act->sa_mask = oact.sa_mask.sig[0];
2224 old_act->sa_flags = oact.sa_flags;
2225 old_act->sa_restorer = oact.sa_restorer;
2226 unlock_user_struct(old_act, arg3, 1);
2230 case TARGET_NR_rt_sigaction:
2232 struct target_sigaction *act;
2233 struct target_sigaction *oact;
2236 lock_user_struct(act, arg2, 1);
2240 lock_user_struct(oact, arg3, 0);
2243 ret = get_errno(do_sigaction(arg1, act, oact));
2245 unlock_user_struct(act, arg2, 0);
2247 unlock_user_struct(oact, arg3, 1);
2250 case TARGET_NR_sgetmask:
2253 target_ulong target_set;
2254 sigprocmask(0, NULL, &cur_set);
2255 host_to_target_old_sigset(&target_set, &cur_set);
2259 case TARGET_NR_ssetmask:
2261 sigset_t set, oset, cur_set;
2262 target_ulong target_set = arg1;
2263 sigprocmask(0, NULL, &cur_set);
2264 target_to_host_old_sigset(&set, &target_set);
2265 sigorset(&set, &set, &cur_set);
2266 sigprocmask(SIG_SETMASK, &set, &oset);
2267 host_to_target_old_sigset(&target_set, &oset);
2271 case TARGET_NR_sigprocmask:
2274 sigset_t set, oldset, *set_ptr;
2278 case TARGET_SIG_BLOCK:
2281 case TARGET_SIG_UNBLOCK:
2284 case TARGET_SIG_SETMASK:
2291 p = lock_user(arg2, sizeof(target_sigset_t), 1);
2292 target_to_host_old_sigset(&set, p);
2293 unlock_user(p, arg2, 0);
2299 ret = get_errno(sigprocmask(arg1, set_ptr, &oldset));
2300 if (!is_error(ret) && arg3) {
2301 p = lock_user(arg3, sizeof(target_sigset_t), 0);
2302 host_to_target_old_sigset(p, &oldset);
2303 unlock_user(p, arg3, sizeof(target_sigset_t));
2307 case TARGET_NR_rt_sigprocmask:
2310 sigset_t set, oldset, *set_ptr;
2314 case TARGET_SIG_BLOCK:
2317 case TARGET_SIG_UNBLOCK:
2320 case TARGET_SIG_SETMASK:
2327 p = lock_user(arg2, sizeof(target_sigset_t), 1);
2328 target_to_host_sigset(&set, p);
2329 unlock_user(p, arg2, 0);
2335 ret = get_errno(sigprocmask(how, set_ptr, &oldset));
2336 if (!is_error(ret) && arg3) {
2337 p = lock_user(arg3, sizeof(target_sigset_t), 0);
2338 host_to_target_sigset(p, &oldset);
2339 unlock_user(p, arg3, sizeof(target_sigset_t));
2343 case TARGET_NR_sigpending:
2346 ret = get_errno(sigpending(&set));
2347 if (!is_error(ret)) {
2348 p = lock_user(arg1, sizeof(target_sigset_t), 0);
2349 host_to_target_old_sigset(p, &set);
2350 unlock_user(p, arg1, sizeof(target_sigset_t));
2354 case TARGET_NR_rt_sigpending:
2357 ret = get_errno(sigpending(&set));
2358 if (!is_error(ret)) {
2359 p = lock_user(arg1, sizeof(target_sigset_t), 0);
2360 host_to_target_sigset(p, &set);
2361 unlock_user(p, arg1, sizeof(target_sigset_t));
2365 case TARGET_NR_sigsuspend:
2368 p = lock_user(arg1, sizeof(target_sigset_t), 1);
2369 target_to_host_old_sigset(&set, p);
2370 unlock_user(p, arg1, 0);
2371 ret = get_errno(sigsuspend(&set));
2374 case TARGET_NR_rt_sigsuspend:
2377 p = lock_user(arg1, sizeof(target_sigset_t), 1);
2378 target_to_host_sigset(&set, p);
2379 unlock_user(p, arg1, 0);
2380 ret = get_errno(sigsuspend(&set));
2383 case TARGET_NR_rt_sigtimedwait:
2386 struct timespec uts, *puts;
2389 p = lock_user(arg1, sizeof(target_sigset_t), 1);
2390 target_to_host_sigset(&set, p);
2391 unlock_user(p, arg1, 0);
2394 target_to_host_timespec(puts, arg3);
2398 ret = get_errno(sigtimedwait(&set, &uinfo, puts));
2399 if (!is_error(ret) && arg2) {
2400 p = lock_user(arg2, sizeof(target_sigset_t), 0);
2401 host_to_target_siginfo(p, &uinfo);
2402 unlock_user(p, arg2, sizeof(target_sigset_t));
2406 case TARGET_NR_rt_sigqueueinfo:
2409 p = lock_user(arg3, sizeof(target_sigset_t), 1);
2410 target_to_host_siginfo(&uinfo, p);
2411 unlock_user(p, arg1, 0);
2412 ret = get_errno(sys_rt_sigqueueinfo(arg1, arg2, &uinfo));
2415 case TARGET_NR_sigreturn:
2416 /* NOTE: ret is eax, so not transcoding must be done */
2417 ret = do_sigreturn(cpu_env);
2419 case TARGET_NR_rt_sigreturn:
2420 /* NOTE: ret is eax, so not transcoding must be done */
2421 ret = do_rt_sigreturn(cpu_env);
2423 case TARGET_NR_sethostname:
2424 p = lock_user_string(arg1);
2425 ret = get_errno(sethostname(p, arg2));
2426 unlock_user(p, arg1, 0);
2428 case TARGET_NR_setrlimit:
2430 /* XXX: convert resource ? */
2431 int resource = arg1;
2432 struct target_rlimit *target_rlim;
2434 lock_user_struct(target_rlim, arg2, 1);
2435 rlim.rlim_cur = tswapl(target_rlim->rlim_cur);
2436 rlim.rlim_max = tswapl(target_rlim->rlim_max);
2437 unlock_user_struct(target_rlim, arg2, 0);
2438 ret = get_errno(setrlimit(resource, &rlim));
2441 case TARGET_NR_getrlimit:
2443 /* XXX: convert resource ? */
2444 int resource = arg1;
2445 struct target_rlimit *target_rlim;
2448 ret = get_errno(getrlimit(resource, &rlim));
2449 if (!is_error(ret)) {
2450 lock_user_struct(target_rlim, arg2, 0);
2451 rlim.rlim_cur = tswapl(target_rlim->rlim_cur);
2452 rlim.rlim_max = tswapl(target_rlim->rlim_max);
2453 unlock_user_struct(target_rlim, arg2, 1);
2457 case TARGET_NR_getrusage:
2459 struct rusage rusage;
2460 ret = get_errno(getrusage(arg1, &rusage));
2461 if (!is_error(ret)) {
2462 host_to_target_rusage(arg2, &rusage);
2466 case TARGET_NR_gettimeofday:
2469 ret = get_errno(gettimeofday(&tv, NULL));
2470 if (!is_error(ret)) {
2471 host_to_target_timeval(arg1, &tv);
2475 case TARGET_NR_settimeofday:
2478 target_to_host_timeval(&tv, arg1);
2479 ret = get_errno(settimeofday(&tv, NULL));
2482 #ifdef TARGET_NR_select
2483 case TARGET_NR_select:
2485 struct target_sel_arg_struct *sel;
2486 target_ulong inp, outp, exp, tvp;
2489 lock_user_struct(sel, arg1, 1);
2490 nsel = tswapl(sel->n);
2491 inp = tswapl(sel->inp);
2492 outp = tswapl(sel->outp);
2493 exp = tswapl(sel->exp);
2494 tvp = tswapl(sel->tvp);
2495 unlock_user_struct(sel, arg1, 0);
2496 ret = do_select(nsel, inp, outp, exp, tvp);
2500 case TARGET_NR_symlink:
2503 p = lock_user_string(arg1);
2504 p2 = lock_user_string(arg2);
2505 ret = get_errno(symlink(p, p2));
2506 unlock_user(p2, arg2, 0);
2507 unlock_user(p, arg1, 0);
2510 #ifdef TARGET_NR_oldlstat
2511 case TARGET_NR_oldlstat:
2514 case TARGET_NR_readlink:
2517 p = lock_user_string(arg1);
2518 p2 = lock_user(arg2, arg3, 0);
2519 ret = get_errno(readlink(path(p), p2, arg3));
2520 unlock_user(p2, arg2, ret);
2521 unlock_user(p, arg1, 0);
2524 case TARGET_NR_uselib:
2526 case TARGET_NR_swapon:
2527 p = lock_user_string(arg1);
2528 ret = get_errno(swapon(p, arg2));
2529 unlock_user(p, arg1, 0);
2531 case TARGET_NR_reboot:
2533 case TARGET_NR_readdir:
2535 case TARGET_NR_mmap:
2536 #if defined(TARGET_I386) || defined(TARGET_ARM)
2539 target_ulong v1, v2, v3, v4, v5, v6;
2540 v = lock_user(arg1, 6 * sizeof(target_ulong), 1);
2547 unlock_user(v, arg1, 0);
2548 ret = get_errno(target_mmap(v1, v2, v3,
2549 target_to_host_bitmask(v4, mmap_flags_tbl),
2553 ret = get_errno(target_mmap(arg1, arg2, arg3,
2554 target_to_host_bitmask(arg4, mmap_flags_tbl),
2559 #ifdef TARGET_NR_mmap2
2560 case TARGET_NR_mmap2:
2561 #if defined(TARGET_SPARC)
2562 #define MMAP_SHIFT 12
2564 #define MMAP_SHIFT TARGET_PAGE_BITS
2566 ret = get_errno(target_mmap(arg1, arg2, arg3,
2567 target_to_host_bitmask(arg4, mmap_flags_tbl),
2569 arg6 << MMAP_SHIFT));
2572 case TARGET_NR_munmap:
2573 ret = get_errno(target_munmap(arg1, arg2));
2575 case TARGET_NR_mprotect:
2576 ret = get_errno(target_mprotect(arg1, arg2, arg3));
2578 case TARGET_NR_mremap:
2579 ret = get_errno(target_mremap(arg1, arg2, arg3, arg4, arg5));
2581 /* ??? msync/mlock/munlock are broken for softmmu. */
2582 case TARGET_NR_msync:
2583 ret = get_errno(msync(g2h(arg1), arg2, arg3));
2585 case TARGET_NR_mlock:
2586 ret = get_errno(mlock(g2h(arg1), arg2));
2588 case TARGET_NR_munlock:
2589 ret = get_errno(munlock(g2h(arg1), arg2));
2591 case TARGET_NR_mlockall:
2592 ret = get_errno(mlockall(arg1));
2594 case TARGET_NR_munlockall:
2595 ret = get_errno(munlockall());
2597 case TARGET_NR_truncate:
2598 p = lock_user_string(arg1);
2599 ret = get_errno(truncate(p, arg2));
2600 unlock_user(p, arg1, 0);
2602 case TARGET_NR_ftruncate:
2603 ret = get_errno(ftruncate(arg1, arg2));
2605 case TARGET_NR_fchmod:
2606 ret = get_errno(fchmod(arg1, arg2));
2608 case TARGET_NR_getpriority:
2609 ret = get_errno(getpriority(arg1, arg2));
2611 case TARGET_NR_setpriority:
2612 ret = get_errno(setpriority(arg1, arg2, arg3));
2614 #ifdef TARGET_NR_profil
2615 case TARGET_NR_profil:
2618 case TARGET_NR_statfs:
2619 p = lock_user_string(arg1);
2620 ret = get_errno(statfs(path(p), &stfs));
2621 unlock_user(p, arg1, 0);
2623 if (!is_error(ret)) {
2624 struct target_statfs *target_stfs;
2626 lock_user_struct(target_stfs, arg2, 0);
2627 /* ??? put_user is probably wrong. */
2628 put_user(stfs.f_type, &target_stfs->f_type);
2629 put_user(stfs.f_bsize, &target_stfs->f_bsize);
2630 put_user(stfs.f_blocks, &target_stfs->f_blocks);
2631 put_user(stfs.f_bfree, &target_stfs->f_bfree);
2632 put_user(stfs.f_bavail, &target_stfs->f_bavail);
2633 put_user(stfs.f_files, &target_stfs->f_files);
2634 put_user(stfs.f_ffree, &target_stfs->f_ffree);
2635 put_user(stfs.f_fsid.__val[0], &target_stfs->f_fsid);
2636 put_user(stfs.f_namelen, &target_stfs->f_namelen);
2637 unlock_user_struct(target_stfs, arg2, 1);
2640 case TARGET_NR_fstatfs:
2641 ret = get_errno(fstatfs(arg1, &stfs));
2642 goto convert_statfs;
2643 #ifdef TARGET_NR_statfs64
2644 case TARGET_NR_statfs64:
2645 p = lock_user_string(arg1);
2646 ret = get_errno(statfs(path(p), &stfs));
2647 unlock_user(p, arg1, 0);
2649 if (!is_error(ret)) {
2650 struct target_statfs64 *target_stfs;
2652 lock_user_struct(target_stfs, arg3, 0);
2653 /* ??? put_user is probably wrong. */
2654 put_user(stfs.f_type, &target_stfs->f_type);
2655 put_user(stfs.f_bsize, &target_stfs->f_bsize);
2656 put_user(stfs.f_blocks, &target_stfs->f_blocks);
2657 put_user(stfs.f_bfree, &target_stfs->f_bfree);
2658 put_user(stfs.f_bavail, &target_stfs->f_bavail);
2659 put_user(stfs.f_files, &target_stfs->f_files);
2660 put_user(stfs.f_ffree, &target_stfs->f_ffree);
2661 put_user(stfs.f_fsid.__val[0], &target_stfs->f_fsid);
2662 put_user(stfs.f_namelen, &target_stfs->f_namelen);
2663 unlock_user_struct(target_stfs, arg3, 0);
2666 case TARGET_NR_fstatfs64:
2667 ret = get_errno(fstatfs(arg1, &stfs));
2668 goto convert_statfs64;
2670 #ifdef TARGET_NR_ioperm
2671 case TARGET_NR_ioperm:
2674 case TARGET_NR_socketcall:
2675 ret = do_socketcall(arg1, arg2);
2677 case TARGET_NR_syslog:
2679 case TARGET_NR_setitimer:
2681 struct itimerval value, ovalue, *pvalue;
2685 target_to_host_timeval(&pvalue->it_interval,
2687 target_to_host_timeval(&pvalue->it_value,
2688 arg2 + sizeof(struct target_timeval));
2692 ret = get_errno(setitimer(arg1, pvalue, &ovalue));
2693 if (!is_error(ret) && arg3) {
2694 host_to_target_timeval(arg3,
2695 &ovalue.it_interval);
2696 host_to_target_timeval(arg3 + sizeof(struct target_timeval),
2701 case TARGET_NR_getitimer:
2703 struct itimerval value;
2705 ret = get_errno(getitimer(arg1, &value));
2706 if (!is_error(ret) && arg2) {
2707 host_to_target_timeval(arg2,
2708 &value.it_interval);
2709 host_to_target_timeval(arg2 + sizeof(struct target_timeval),
2714 case TARGET_NR_stat:
2715 p = lock_user_string(arg1);
2716 ret = get_errno(stat(path(p), &st));
2717 unlock_user(p, arg1, 0);
2719 case TARGET_NR_lstat:
2720 p = lock_user_string(arg1);
2721 ret = get_errno(lstat(path(p), &st));
2722 unlock_user(p, arg1, 0);
2724 case TARGET_NR_fstat:
2726 ret = get_errno(fstat(arg1, &st));
2728 if (!is_error(ret)) {
2729 struct target_stat *target_st;
2731 lock_user_struct(target_st, arg2, 0);
2732 target_st->st_dev = tswap16(st.st_dev);
2733 target_st->st_ino = tswapl(st.st_ino);
2734 #if defined(TARGET_PPC)
2735 target_st->st_mode = tswapl(st.st_mode); /* XXX: check this */
2736 target_st->st_uid = tswap32(st.st_uid);
2737 target_st->st_gid = tswap32(st.st_gid);
2739 target_st->st_mode = tswap16(st.st_mode);
2740 target_st->st_uid = tswap16(st.st_uid);
2741 target_st->st_gid = tswap16(st.st_gid);
2743 target_st->st_nlink = tswap16(st.st_nlink);
2744 target_st->st_rdev = tswap16(st.st_rdev);
2745 target_st->st_size = tswapl(st.st_size);
2746 target_st->st_blksize = tswapl(st.st_blksize);
2747 target_st->st_blocks = tswapl(st.st_blocks);
2748 target_st->target_st_atime = tswapl(st.st_atime);
2749 target_st->target_st_mtime = tswapl(st.st_mtime);
2750 target_st->target_st_ctime = tswapl(st.st_ctime);
2751 unlock_user_struct(target_st, arg2, 1);
2755 #ifdef TARGET_NR_olduname
2756 case TARGET_NR_olduname:
2759 #ifdef TARGET_NR_iopl
2760 case TARGET_NR_iopl:
2763 case TARGET_NR_vhangup:
2764 ret = get_errno(vhangup());
2766 #ifdef TARGET_NR_idle
2767 case TARGET_NR_idle:
2770 #ifdef TARGET_NR_syscall
2771 case TARGET_NR_syscall:
2772 ret = do_syscall(cpu_env,arg1 & 0xffff,arg2,arg3,arg4,arg5,arg6,0);
2775 case TARGET_NR_wait4:
2778 target_long status_ptr = arg2;
2779 struct rusage rusage, *rusage_ptr;
2780 target_ulong target_rusage = arg4;
2782 rusage_ptr = &rusage;
2785 ret = get_errno(wait4(arg1, &status, arg3, rusage_ptr));
2786 if (!is_error(ret)) {
2788 tputl(status_ptr, status);
2789 if (target_rusage) {
2790 host_to_target_rusage(target_rusage, &rusage);
2795 case TARGET_NR_swapoff:
2796 p = lock_user_string(arg1);
2797 ret = get_errno(swapoff(p));
2798 unlock_user(p, arg1, 0);
2800 case TARGET_NR_sysinfo:
2802 struct target_sysinfo *target_value;
2803 struct sysinfo value;
2804 ret = get_errno(sysinfo(&value));
2805 if (!is_error(ret) && arg1)
2807 /* ??? __put_user is probably wrong. */
2808 lock_user_struct(target_value, arg1, 0);
2809 __put_user(value.uptime, &target_value->uptime);
2810 __put_user(value.loads[0], &target_value->loads[0]);
2811 __put_user(value.loads[1], &target_value->loads[1]);
2812 __put_user(value.loads[2], &target_value->loads[2]);
2813 __put_user(value.totalram, &target_value->totalram);
2814 __put_user(value.freeram, &target_value->freeram);
2815 __put_user(value.sharedram, &target_value->sharedram);
2816 __put_user(value.bufferram, &target_value->bufferram);
2817 __put_user(value.totalswap, &target_value->totalswap);
2818 __put_user(value.freeswap, &target_value->freeswap);
2819 __put_user(value.procs, &target_value->procs);
2820 __put_user(value.totalhigh, &target_value->totalhigh);
2821 __put_user(value.freehigh, &target_value->freehigh);
2822 __put_user(value.mem_unit, &target_value->mem_unit);
2823 unlock_user_struct(target_value, arg1, 1);
2828 ret = do_ipc(arg1, arg2, arg3, arg4, arg5, arg6);
2830 case TARGET_NR_fsync:
2831 ret = get_errno(fsync(arg1));
2833 case TARGET_NR_clone:
2834 ret = get_errno(do_fork(cpu_env, arg1, arg2));
2836 #ifdef __NR_exit_group
2837 /* new thread calls */
2838 case TARGET_NR_exit_group:
2839 gdb_exit(cpu_env, arg1);
2840 ret = get_errno(exit_group(arg1));
2843 case TARGET_NR_setdomainname:
2844 p = lock_user_string(arg1);
2845 ret = get_errno(setdomainname(p, arg2));
2846 unlock_user(p, arg1, 0);
2848 case TARGET_NR_uname:
2849 /* no need to transcode because we use the linux syscall */
2851 struct new_utsname * buf;
2853 lock_user_struct(buf, arg1, 0);
2854 ret = get_errno(sys_uname(buf));
2855 if (!is_error(ret)) {
2856 /* Overrite the native machine name with whatever is being
2858 strcpy (buf->machine, UNAME_MACHINE);
2860 unlock_user_struct(buf, arg1, 1);
2864 case TARGET_NR_modify_ldt:
2865 ret = get_errno(do_modify_ldt(cpu_env, arg1, arg2, arg3));
2867 case TARGET_NR_vm86old:
2869 case TARGET_NR_vm86:
2870 ret = do_vm86(cpu_env, arg1, arg2);
2873 case TARGET_NR_adjtimex:
2875 case TARGET_NR_create_module:
2876 case TARGET_NR_init_module:
2877 case TARGET_NR_delete_module:
2878 case TARGET_NR_get_kernel_syms:
2880 case TARGET_NR_quotactl:
2882 case TARGET_NR_getpgid:
2883 ret = get_errno(getpgid(arg1));
2885 case TARGET_NR_fchdir:
2886 ret = get_errno(fchdir(arg1));
2888 case TARGET_NR_bdflush:
2890 case TARGET_NR_sysfs:
2892 case TARGET_NR_personality:
2893 ret = get_errno(personality(arg1));
2895 case TARGET_NR_afs_syscall:
2897 case TARGET_NR__llseek:
2899 #if defined (__x86_64__)
2900 ret = get_errno(lseek(arg1, ((uint64_t )arg2 << 32) | arg3, arg5));
2904 ret = get_errno(_llseek(arg1, arg2, arg3, &res, arg5));
2909 case TARGET_NR_getdents:
2910 #if TARGET_LONG_SIZE != 4
2912 #warning not supported
2913 #elif TARGET_LONG_SIZE == 4 && HOST_LONG_SIZE == 8
2915 struct target_dirent *target_dirp;
2916 struct dirent *dirp;
2919 dirp = malloc(count);
2923 ret = get_errno(sys_getdents(arg1, dirp, count));
2924 if (!is_error(ret)) {
2926 struct target_dirent *tde;
2928 int reclen, treclen;
2929 int count1, tnamelen;
2933 target_dirp = lock_user(arg2, count, 0);
2936 reclen = de->d_reclen;
2937 treclen = reclen - (2 * (sizeof(long) - sizeof(target_long)));
2938 tde->d_reclen = tswap16(treclen);
2939 tde->d_ino = tswapl(de->d_ino);
2940 tde->d_off = tswapl(de->d_off);
2941 tnamelen = treclen - (2 * sizeof(target_long) + 2);
2944 /* XXX: may not be correct */
2945 strncpy(tde->d_name, de->d_name, tnamelen);
2946 de = (struct dirent *)((char *)de + reclen);
2948 tde = (struct dirent *)((char *)tde + treclen);
2953 unlock_user(target_dirp, arg2, ret);
2958 struct dirent *dirp;
2961 dirp = lock_user(arg2, count, 0);
2962 ret = get_errno(sys_getdents(arg1, dirp, count));
2963 if (!is_error(ret)) {
2969 reclen = de->d_reclen;
2972 de->d_reclen = tswap16(reclen);
2973 tswapls(&de->d_ino);
2974 tswapls(&de->d_off);
2975 de = (struct dirent *)((char *)de + reclen);
2979 unlock_user(dirp, arg2, ret);
2983 #ifdef TARGET_NR_getdents64
2984 case TARGET_NR_getdents64:
2986 struct dirent64 *dirp;
2988 dirp = lock_user(arg2, count, 0);
2989 ret = get_errno(sys_getdents64(arg1, dirp, count));
2990 if (!is_error(ret)) {
2991 struct dirent64 *de;
2996 reclen = de->d_reclen;
2999 de->d_reclen = tswap16(reclen);
3000 tswap64s(&de->d_ino);
3001 tswap64s(&de->d_off);
3002 de = (struct dirent64 *)((char *)de + reclen);
3006 unlock_user(dirp, arg2, ret);
3009 #endif /* TARGET_NR_getdents64 */
3010 case TARGET_NR__newselect:
3011 ret = do_select(arg1, arg2, arg3, arg4, arg5);
3013 case TARGET_NR_poll:
3015 struct target_pollfd *target_pfd;
3016 unsigned int nfds = arg2;
3021 target_pfd = lock_user(arg1, sizeof(struct target_pollfd) * nfds, 1);
3022 pfd = alloca(sizeof(struct pollfd) * nfds);
3023 for(i = 0; i < nfds; i++) {
3024 pfd[i].fd = tswap32(target_pfd[i].fd);
3025 pfd[i].events = tswap16(target_pfd[i].events);
3027 ret = get_errno(poll(pfd, nfds, timeout));
3028 if (!is_error(ret)) {
3029 for(i = 0; i < nfds; i++) {
3030 target_pfd[i].revents = tswap16(pfd[i].revents);
3032 ret += nfds * (sizeof(struct target_pollfd)
3033 - sizeof(struct pollfd));
3035 unlock_user(target_pfd, arg1, ret);
3038 case TARGET_NR_flock:
3039 /* NOTE: the flock constant seems to be the same for every
3041 ret = get_errno(flock(arg1, arg2));
3043 case TARGET_NR_readv:
3048 vec = alloca(count * sizeof(struct iovec));
3049 lock_iovec(vec, arg2, count, 0);
3050 ret = get_errno(readv(arg1, vec, count));
3051 unlock_iovec(vec, arg2, count, 1);
3054 case TARGET_NR_writev:
3059 vec = alloca(count * sizeof(struct iovec));
3060 lock_iovec(vec, arg2, count, 1);
3061 ret = get_errno(writev(arg1, vec, count));
3062 unlock_iovec(vec, arg2, count, 0);
3065 case TARGET_NR_getsid:
3066 ret = get_errno(getsid(arg1));
3068 case TARGET_NR_fdatasync:
3069 ret = get_errno(fdatasync(arg1));
3071 case TARGET_NR__sysctl:
3072 /* We don't implement this, but ENODIR is always a safe
3075 case TARGET_NR_sched_setparam:
3077 struct sched_param *target_schp;
3078 struct sched_param schp;
3080 lock_user_struct(target_schp, arg2, 1);
3081 schp.sched_priority = tswap32(target_schp->sched_priority);
3082 unlock_user_struct(target_schp, arg2, 0);
3083 ret = get_errno(sched_setparam(arg1, &schp));
3086 case TARGET_NR_sched_getparam:
3088 struct sched_param *target_schp;
3089 struct sched_param schp;
3090 ret = get_errno(sched_getparam(arg1, &schp));
3091 if (!is_error(ret)) {
3092 lock_user_struct(target_schp, arg2, 0);
3093 target_schp->sched_priority = tswap32(schp.sched_priority);
3094 unlock_user_struct(target_schp, arg2, 1);
3098 case TARGET_NR_sched_setscheduler:
3100 struct sched_param *target_schp;
3101 struct sched_param schp;
3102 lock_user_struct(target_schp, arg3, 1);
3103 schp.sched_priority = tswap32(target_schp->sched_priority);
3104 unlock_user_struct(target_schp, arg3, 0);
3105 ret = get_errno(sched_setscheduler(arg1, arg2, &schp));
3108 case TARGET_NR_sched_getscheduler:
3109 ret = get_errno(sched_getscheduler(arg1));
3111 case TARGET_NR_sched_yield:
3112 ret = get_errno(sched_yield());
3114 case TARGET_NR_sched_get_priority_max:
3115 ret = get_errno(sched_get_priority_max(arg1));
3117 case TARGET_NR_sched_get_priority_min:
3118 ret = get_errno(sched_get_priority_min(arg1));
3120 case TARGET_NR_sched_rr_get_interval:
3123 ret = get_errno(sched_rr_get_interval(arg1, &ts));
3124 if (!is_error(ret)) {
3125 host_to_target_timespec(arg2, &ts);
3129 case TARGET_NR_nanosleep:
3131 struct timespec req, rem;
3132 target_to_host_timespec(&req, arg1);
3133 ret = get_errno(nanosleep(&req, &rem));
3134 if (is_error(ret) && arg2) {
3135 host_to_target_timespec(arg2, &rem);
3139 case TARGET_NR_query_module:
3141 case TARGET_NR_nfsservctl:
3143 case TARGET_NR_prctl:
3145 #ifdef TARGET_NR_pread
3146 case TARGET_NR_pread:
3147 page_unprotect_range(arg2, arg3);
3148 p = lock_user(arg2, arg3, 0);
3149 ret = get_errno(pread(arg1, p, arg3, arg4));
3150 unlock_user(p, arg2, ret);
3152 case TARGET_NR_pwrite:
3153 p = lock_user(arg2, arg3, 1);
3154 ret = get_errno(pwrite(arg1, p, arg3, arg4));
3155 unlock_user(p, arg2, 0);
3158 case TARGET_NR_getcwd:
3159 p = lock_user(arg1, arg2, 0);
3160 ret = get_errno(sys_getcwd1(p, arg2));
3161 unlock_user(p, arg1, ret);
3163 case TARGET_NR_capget:
3165 case TARGET_NR_capset:
3167 case TARGET_NR_sigaltstack:
3169 case TARGET_NR_sendfile:
3171 #ifdef TARGET_NR_getpmsg
3172 case TARGET_NR_getpmsg:
3175 #ifdef TARGET_NR_putpmsg
3176 case TARGET_NR_putpmsg:
3179 #ifdef TARGET_NR_vfork
3180 case TARGET_NR_vfork:
3181 ret = get_errno(do_fork(cpu_env, CLONE_VFORK | CLONE_VM | SIGCHLD, 0));
3184 #ifdef TARGET_NR_ugetrlimit
3185 case TARGET_NR_ugetrlimit:
3188 ret = get_errno(getrlimit(arg1, &rlim));
3189 if (!is_error(ret)) {
3190 struct target_rlimit *target_rlim;
3191 lock_user_struct(target_rlim, arg2, 0);
3192 target_rlim->rlim_cur = tswapl(rlim.rlim_cur);
3193 target_rlim->rlim_max = tswapl(rlim.rlim_max);
3194 unlock_user_struct(target_rlim, arg2, 1);
3199 #ifdef TARGET_NR_truncate64
3200 case TARGET_NR_truncate64:
3201 p = lock_user_string(arg1);
3202 ret = target_truncate64(cpu_env, p, arg2, arg3, arg4);
3203 unlock_user(p, arg1, 0);
3206 #ifdef TARGET_NR_ftruncate64
3207 case TARGET_NR_ftruncate64:
3208 ret = target_ftruncate64(cpu_env, arg1, arg2, arg3, arg4);
3211 #ifdef TARGET_NR_stat64
3212 case TARGET_NR_stat64:
3213 p = lock_user_string(arg1);
3214 ret = get_errno(stat(path(p), &st));
3215 unlock_user(p, arg1, 0);
3218 #ifdef TARGET_NR_lstat64
3219 case TARGET_NR_lstat64:
3220 p = lock_user_string(arg1);
3221 ret = get_errno(lstat(path(p), &st));
3222 unlock_user(p, arg1, 0);
3225 #ifdef TARGET_NR_fstat64
3226 case TARGET_NR_fstat64:
3228 ret = get_errno(fstat(arg1, &st));
3230 if (!is_error(ret)) {
3232 if (((CPUARMState *)cpu_env)->eabi) {
3233 struct target_eabi_stat64 *target_st;
3234 lock_user_struct(target_st, arg2, 1);
3235 memset(target_st, 0, sizeof(struct target_eabi_stat64));
3236 /* put_user is probably wrong. */
3237 put_user(st.st_dev, &target_st->st_dev);
3238 put_user(st.st_ino, &target_st->st_ino);
3239 #ifdef TARGET_STAT64_HAS_BROKEN_ST_INO
3240 put_user(st.st_ino, &target_st->__st_ino);
3242 put_user(st.st_mode, &target_st->st_mode);
3243 put_user(st.st_nlink, &target_st->st_nlink);
3244 put_user(st.st_uid, &target_st->st_uid);
3245 put_user(st.st_gid, &target_st->st_gid);
3246 put_user(st.st_rdev, &target_st->st_rdev);
3247 /* XXX: better use of kernel struct */
3248 put_user(st.st_size, &target_st->st_size);
3249 put_user(st.st_blksize, &target_st->st_blksize);
3250 put_user(st.st_blocks, &target_st->st_blocks);
3251 put_user(st.st_atime, &target_st->target_st_atime);
3252 put_user(st.st_mtime, &target_st->target_st_mtime);
3253 put_user(st.st_ctime, &target_st->target_st_ctime);
3254 unlock_user_struct(target_st, arg2, 0);
3258 struct target_stat64 *target_st;
3259 lock_user_struct(target_st, arg2, 1);
3260 memset(target_st, 0, sizeof(struct target_stat64));
3261 /* ??? put_user is probably wrong. */
3262 put_user(st.st_dev, &target_st->st_dev);
3263 put_user(st.st_ino, &target_st->st_ino);
3264 #ifdef TARGET_STAT64_HAS_BROKEN_ST_INO
3265 put_user(st.st_ino, &target_st->__st_ino);
3267 put_user(st.st_mode, &target_st->st_mode);
3268 put_user(st.st_nlink, &target_st->st_nlink);
3269 put_user(st.st_uid, &target_st->st_uid);
3270 put_user(st.st_gid, &target_st->st_gid);
3271 put_user(st.st_rdev, &target_st->st_rdev);
3272 /* XXX: better use of kernel struct */
3273 put_user(st.st_size, &target_st->st_size);
3274 put_user(st.st_blksize, &target_st->st_blksize);
3275 put_user(st.st_blocks, &target_st->st_blocks);
3276 put_user(st.st_atime, &target_st->target_st_atime);
3277 put_user(st.st_mtime, &target_st->target_st_mtime);
3278 put_user(st.st_ctime, &target_st->target_st_ctime);
3279 unlock_user_struct(target_st, arg2, 0);
3286 case TARGET_NR_lchown:
3287 p = lock_user_string(arg1);
3288 ret = get_errno(lchown(p, low2highuid(arg2), low2highgid(arg3)));
3289 unlock_user(p, arg1, 0);
3291 case TARGET_NR_getuid:
3292 ret = get_errno(high2lowuid(getuid()));
3294 case TARGET_NR_getgid:
3295 ret = get_errno(high2lowgid(getgid()));
3297 case TARGET_NR_geteuid:
3298 ret = get_errno(high2lowuid(geteuid()));
3300 case TARGET_NR_getegid:
3301 ret = get_errno(high2lowgid(getegid()));
3303 case TARGET_NR_setreuid:
3304 ret = get_errno(setreuid(low2highuid(arg1), low2highuid(arg2)));
3306 case TARGET_NR_setregid:
3307 ret = get_errno(setregid(low2highgid(arg1), low2highgid(arg2)));
3309 case TARGET_NR_getgroups:
3311 int gidsetsize = arg1;
3312 uint16_t *target_grouplist;
3316 grouplist = alloca(gidsetsize * sizeof(gid_t));
3317 ret = get_errno(getgroups(gidsetsize, grouplist));
3318 if (!is_error(ret)) {
3319 target_grouplist = lock_user(arg2, gidsetsize * 2, 0);
3320 for(i = 0;i < gidsetsize; i++)
3321 target_grouplist[i] = tswap16(grouplist[i]);
3322 unlock_user(target_grouplist, arg2, gidsetsize * 2);
3326 case TARGET_NR_setgroups:
3328 int gidsetsize = arg1;
3329 uint16_t *target_grouplist;
3333 grouplist = alloca(gidsetsize * sizeof(gid_t));
3334 target_grouplist = lock_user(arg2, gidsetsize * 2, 1);
3335 for(i = 0;i < gidsetsize; i++)
3336 grouplist[i] = tswap16(target_grouplist[i]);
3337 unlock_user(target_grouplist, arg2, 0);
3338 ret = get_errno(setgroups(gidsetsize, grouplist));
3341 case TARGET_NR_fchown:
3342 ret = get_errno(fchown(arg1, low2highuid(arg2), low2highgid(arg3)));
3344 #ifdef TARGET_NR_setresuid
3345 case TARGET_NR_setresuid:
3346 ret = get_errno(setresuid(low2highuid(arg1),
3348 low2highuid(arg3)));
3351 #ifdef TARGET_NR_getresuid
3352 case TARGET_NR_getresuid:
3354 uid_t ruid, euid, suid;
3355 ret = get_errno(getresuid(&ruid, &euid, &suid));
3356 if (!is_error(ret)) {
3357 tput16(arg1, tswap16(high2lowuid(ruid)));
3358 tput16(arg2, tswap16(high2lowuid(euid)));
3359 tput16(arg3, tswap16(high2lowuid(suid)));
3364 #ifdef TARGET_NR_getresgid
3365 case TARGET_NR_setresgid:
3366 ret = get_errno(setresgid(low2highgid(arg1),
3368 low2highgid(arg3)));
3371 #ifdef TARGET_NR_getresgid
3372 case TARGET_NR_getresgid:
3374 gid_t rgid, egid, sgid;
3375 ret = get_errno(getresgid(&rgid, &egid, &sgid));
3376 if (!is_error(ret)) {
3377 tput16(arg1, tswap16(high2lowgid(rgid)));
3378 tput16(arg2, tswap16(high2lowgid(egid)));
3379 tput16(arg3, tswap16(high2lowgid(sgid)));
3384 case TARGET_NR_chown:
3385 p = lock_user_string(arg1);
3386 ret = get_errno(chown(p, low2highuid(arg2), low2highgid(arg3)));
3387 unlock_user(p, arg1, 0);
3389 case TARGET_NR_setuid:
3390 ret = get_errno(setuid(low2highuid(arg1)));
3392 case TARGET_NR_setgid:
3393 ret = get_errno(setgid(low2highgid(arg1)));
3395 case TARGET_NR_setfsuid:
3396 ret = get_errno(setfsuid(arg1));
3398 case TARGET_NR_setfsgid:
3399 ret = get_errno(setfsgid(arg1));
3401 #endif /* USE_UID16 */
3403 #ifdef TARGET_NR_lchown32
3404 case TARGET_NR_lchown32:
3405 p = lock_user_string(arg1);
3406 ret = get_errno(lchown(p, arg2, arg3));
3407 unlock_user(p, arg1, 0);
3410 #ifdef TARGET_NR_getuid32
3411 case TARGET_NR_getuid32:
3412 ret = get_errno(getuid());
3415 #ifdef TARGET_NR_getgid32
3416 case TARGET_NR_getgid32:
3417 ret = get_errno(getgid());
3420 #ifdef TARGET_NR_geteuid32
3421 case TARGET_NR_geteuid32:
3422 ret = get_errno(geteuid());
3425 #ifdef TARGET_NR_getegid32
3426 case TARGET_NR_getegid32:
3427 ret = get_errno(getegid());
3430 #ifdef TARGET_NR_setreuid32
3431 case TARGET_NR_setreuid32:
3432 ret = get_errno(setreuid(arg1, arg2));
3435 #ifdef TARGET_NR_setregid32
3436 case TARGET_NR_setregid32:
3437 ret = get_errno(setregid(arg1, arg2));
3440 #ifdef TARGET_NR_getgroups32
3441 case TARGET_NR_getgroups32:
3443 int gidsetsize = arg1;
3444 uint32_t *target_grouplist;
3448 grouplist = alloca(gidsetsize * sizeof(gid_t));
3449 ret = get_errno(getgroups(gidsetsize, grouplist));
3450 if (!is_error(ret)) {
3451 target_grouplist = lock_user(arg2, gidsetsize * 4, 0);
3452 for(i = 0;i < gidsetsize; i++)
3453 target_grouplist[i] = tswap32(grouplist[i]);
3454 unlock_user(target_grouplist, arg2, gidsetsize * 4);
3459 #ifdef TARGET_NR_setgroups32
3460 case TARGET_NR_setgroups32:
3462 int gidsetsize = arg1;
3463 uint32_t *target_grouplist;
3467 grouplist = alloca(gidsetsize * sizeof(gid_t));
3468 target_grouplist = lock_user(arg2, gidsetsize * 4, 1);
3469 for(i = 0;i < gidsetsize; i++)
3470 grouplist[i] = tswap32(target_grouplist[i]);
3471 unlock_user(target_grouplist, arg2, 0);
3472 ret = get_errno(setgroups(gidsetsize, grouplist));
3476 #ifdef TARGET_NR_fchown32
3477 case TARGET_NR_fchown32:
3478 ret = get_errno(fchown(arg1, arg2, arg3));
3481 #ifdef TARGET_NR_setresuid32
3482 case TARGET_NR_setresuid32:
3483 ret = get_errno(setresuid(arg1, arg2, arg3));
3486 #ifdef TARGET_NR_getresuid32
3487 case TARGET_NR_getresuid32:
3489 uid_t ruid, euid, suid;
3490 ret = get_errno(getresuid(&ruid, &euid, &suid));
3491 if (!is_error(ret)) {
3492 tput32(arg1, tswap32(ruid));
3493 tput32(arg2, tswap32(euid));
3494 tput32(arg3, tswap32(suid));
3499 #ifdef TARGET_NR_setresgid32
3500 case TARGET_NR_setresgid32:
3501 ret = get_errno(setresgid(arg1, arg2, arg3));
3504 #ifdef TARGET_NR_getresgid32
3505 case TARGET_NR_getresgid32:
3507 gid_t rgid, egid, sgid;
3508 ret = get_errno(getresgid(&rgid, &egid, &sgid));
3509 if (!is_error(ret)) {
3510 tput32(arg1, tswap32(rgid));
3511 tput32(arg2, tswap32(egid));
3512 tput32(arg3, tswap32(sgid));
3517 #ifdef TARGET_NR_chown32
3518 case TARGET_NR_chown32:
3519 p = lock_user_string(arg1);
3520 ret = get_errno(chown(p, arg2, arg3));
3521 unlock_user(p, arg1, 0);
3524 #ifdef TARGET_NR_setuid32
3525 case TARGET_NR_setuid32:
3526 ret = get_errno(setuid(arg1));
3529 #ifdef TARGET_NR_setgid32
3530 case TARGET_NR_setgid32:
3531 ret = get_errno(setgid(arg1));
3534 #ifdef TARGET_NR_setfsuid32
3535 case TARGET_NR_setfsuid32:
3536 ret = get_errno(setfsuid(arg1));
3539 #ifdef TARGET_NR_setfsgid32
3540 case TARGET_NR_setfsgid32:
3541 ret = get_errno(setfsgid(arg1));
3545 case TARGET_NR_pivot_root:
3547 #ifdef TARGET_NR_mincore
3548 case TARGET_NR_mincore:
3551 #ifdef TARGET_NR_madvise
3552 case TARGET_NR_madvise:
3553 /* A straight passthrough may not be safe because qemu sometimes
3554 turns private flie-backed mappings into anonymous mappings.
3555 This will break MADV_DONTNEED.
3556 This is a hint, so ignoring and returning success is ok. */
3560 #if TARGET_LONG_BITS == 32
3561 case TARGET_NR_fcntl64:
3564 struct target_flock64 *target_fl;
3566 struct target_eabi_flock64 *target_efl;
3571 ret = get_errno(fcntl(arg1, arg2, &fl));
3574 if (((CPUARMState *)cpu_env)->eabi) {
3575 lock_user_struct(target_efl, arg3, 0);
3576 target_efl->l_type = tswap16(fl.l_type);
3577 target_efl->l_whence = tswap16(fl.l_whence);
3578 target_efl->l_start = tswap64(fl.l_start);
3579 target_efl->l_len = tswap64(fl.l_len);
3580 target_efl->l_pid = tswapl(fl.l_pid);
3581 unlock_user_struct(target_efl, arg3, 1);
3585 lock_user_struct(target_fl, arg3, 0);
3586 target_fl->l_type = tswap16(fl.l_type);
3587 target_fl->l_whence = tswap16(fl.l_whence);
3588 target_fl->l_start = tswap64(fl.l_start);
3589 target_fl->l_len = tswap64(fl.l_len);
3590 target_fl->l_pid = tswapl(fl.l_pid);
3591 unlock_user_struct(target_fl, arg3, 1);
3599 if (((CPUARMState *)cpu_env)->eabi) {
3600 lock_user_struct(target_efl, arg3, 1);
3601 fl.l_type = tswap16(target_efl->l_type);
3602 fl.l_whence = tswap16(target_efl->l_whence);
3603 fl.l_start = tswap64(target_efl->l_start);
3604 fl.l_len = tswap64(target_efl->l_len);
3605 fl.l_pid = tswapl(target_efl->l_pid);
3606 unlock_user_struct(target_efl, arg3, 0);
3610 lock_user_struct(target_fl, arg3, 1);
3611 fl.l_type = tswap16(target_fl->l_type);
3612 fl.l_whence = tswap16(target_fl->l_whence);
3613 fl.l_start = tswap64(target_fl->l_start);
3614 fl.l_len = tswap64(target_fl->l_len);
3615 fl.l_pid = tswapl(target_fl->l_pid);
3616 unlock_user_struct(target_fl, arg3, 0);
3618 ret = get_errno(fcntl(arg1, arg2, &fl));
3621 ret = get_errno(do_fcntl(arg1, arg2, arg3));
3627 #ifdef TARGET_NR_security
3628 case TARGET_NR_security:
3631 #ifdef TARGET_NR_getpagesize
3632 case TARGET_NR_getpagesize:
3633 ret = TARGET_PAGE_SIZE;
3636 case TARGET_NR_gettid:
3637 ret = get_errno(gettid());
3639 case TARGET_NR_readahead:
3641 #ifdef TARGET_NR_setxattr
3642 case TARGET_NR_setxattr:
3643 case TARGET_NR_lsetxattr:
3644 case TARGET_NR_fsetxattr:
3645 case TARGET_NR_getxattr:
3646 case TARGET_NR_lgetxattr:
3647 case TARGET_NR_fgetxattr:
3648 case TARGET_NR_listxattr:
3649 case TARGET_NR_llistxattr:
3650 case TARGET_NR_flistxattr:
3651 case TARGET_NR_removexattr:
3652 case TARGET_NR_lremovexattr:
3653 case TARGET_NR_fremovexattr:
3654 goto unimplemented_nowarn;
3656 #ifdef TARGET_NR_set_thread_area
3657 case TARGET_NR_set_thread_area:
3658 case TARGET_NR_get_thread_area:
3659 goto unimplemented_nowarn;
3663 gemu_log("qemu: Unsupported syscall: %d\n", num);
3664 #if defined(TARGET_NR_setxattr) || defined(TARGET_NR_set_thread_area)
3665 unimplemented_nowarn:
3672 gemu_log(" = %ld\n", ret);