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1
/*
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 *  Linux syscalls
3
 * 
4
 *  Copyright (c) 2003 Fabrice Bellard
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 *
6
 *  This program is free software; you can redistribute it and/or modify
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 *  it under the terms of the GNU General Public License as published by
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 *  the Free Software Foundation; either version 2 of the License, or
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 *  (at your option) any later version.
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 *
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 *  This program is distributed in the hope that it will be useful,
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 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
13
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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 *  GNU General Public License for more details.
15
 *
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 *  You should have received a copy of the GNU General Public License
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 *  along with this program; if not, write to the Free Software
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 *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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 */
20
#include <stdlib.h>
21
#include <stdio.h>
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#include <stdarg.h>
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#include <string.h>
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#include <elf.h>
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#include <endian.h>
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#include <errno.h>
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#include <unistd.h>
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#include <fcntl.h>
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#include <time.h>
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#include <sys/types.h>
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#include <sys/wait.h>
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#include <sys/time.h>
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#include <sys/stat.h>
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#include <sys/mount.h>
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#include <sys/resource.h>
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#include <sys/mman.h>
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#include <sys/swap.h>
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#include <signal.h>
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#include <sched.h>
40
#include <sys/socket.h>
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#include <sys/uio.h>
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#include <sys/poll.h>
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#include <sys/times.h>
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//#include <sys/user.h>
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#include <netinet/tcp.h>
46

    
47
#define termios host_termios
48
#define winsize host_winsize
49
#define termio host_termio
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#define sgttyb host_sgttyb /* same as target */
51
#define tchars host_tchars /* same as target */
52
#define ltchars host_ltchars /* same as target */
53

    
54
#include <linux/termios.h>
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#include <linux/unistd.h>
56
#include <linux/utsname.h>
57
#include <linux/cdrom.h>
58
#include <linux/hdreg.h>
59
#include <linux/soundcard.h>
60
#include <linux/dirent.h>
61
#include <linux/kd.h>
62

    
63
#include "qemu.h"
64

    
65
//#define DEBUG
66

    
67
//#include <linux/msdos_fs.h>
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#define        VFAT_IOCTL_READDIR_BOTH                _IOR('r', 1, struct dirent [2])
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#define        VFAT_IOCTL_READDIR_SHORT        _IOR('r', 2, struct dirent [2])
70

    
71
void host_to_target_siginfo(target_siginfo_t *tinfo, const siginfo_t *info);
72
void target_to_host_siginfo(siginfo_t *info, const target_siginfo_t *tinfo);
73
long do_sigreturn(CPUX86State *env);
74
long do_rt_sigreturn(CPUX86State *env);
75

    
76
#define __NR_sys_uname __NR_uname
77
#define __NR_sys_getcwd1 __NR_getcwd
78
#define __NR_sys_statfs __NR_statfs
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#define __NR_sys_fstatfs __NR_fstatfs
80
#define __NR_sys_getdents __NR_getdents
81
#define __NR_sys_getdents64 __NR_getdents64
82
#define __NR_sys_rt_sigqueueinfo __NR_rt_sigqueueinfo
83

    
84
#if defined(__alpha__) || defined (__ia64__)
85
#define __NR__llseek __NR_lseek
86
#endif
87

    
88
#ifdef __NR_gettid
89
_syscall0(int, gettid)
90
#else
91
static int gettid(void) {
92
    return -ENOSYS;
93
}
94
#endif
95
_syscall1(int,sys_uname,struct new_utsname *,buf)
96
_syscall2(int,sys_getcwd1,char *,buf,size_t,size)
97
_syscall3(int, sys_getdents, uint, fd, struct dirent *, dirp, uint, count);
98
_syscall3(int, sys_getdents64, uint, fd, struct dirent64 *, dirp, uint, count);
99
_syscall5(int, _llseek,  uint,  fd, ulong, hi, ulong, lo,
100
          loff_t *, res, uint, wh);
101
_syscall2(int,sys_statfs,const char *,path,struct kernel_statfs *,buf)
102
_syscall2(int,sys_fstatfs,int,fd,struct kernel_statfs *,buf)
103
_syscall3(int,sys_rt_sigqueueinfo,int,pid,int,sig,siginfo_t *,uinfo)
104
#ifdef __NR_exit_group
105
_syscall1(int,exit_group,int,error_code)
106
#endif
107

    
108
extern int personality(int);
109
extern int flock(int, int);
110
extern int setfsuid(int);
111
extern int setfsgid(int);
112
extern int setresuid(uid_t, uid_t, uid_t);
113
extern int getresuid(uid_t *, uid_t *, uid_t *);
114
extern int setresgid(gid_t, gid_t, gid_t);
115
extern int getresgid(gid_t *, gid_t *, gid_t *);
116
extern int setgroups(int, gid_t *);
117

    
118
static inline long get_errno(long ret)
119
{
120
    if (ret == -1)
121
        return -errno;
122
    else
123
        return ret;
124
}
125

    
126
static inline int is_error(long ret)
127
{
128
    return (unsigned long)ret >= (unsigned long)(-4096);
129
}
130

    
131
static char *target_brk;
132
static char *target_original_brk;
133

    
134
void target_set_brk(char *new_brk)
135
{
136
    target_brk = new_brk;
137
    target_original_brk = new_brk;
138
}
139

    
140
static long do_brk(char *new_brk)
141
{
142
    char *brk_page;
143
    long mapped_addr;
144
    int        new_alloc_size;
145

    
146
    if (!new_brk)
147
        return (long)target_brk;
148
    if (new_brk < target_original_brk)
149
        return -ENOMEM;
150
    
151
    brk_page = (char *)HOST_PAGE_ALIGN((unsigned long)target_brk);
152

    
153
    /* If the new brk is less than this, set it and we're done... */
154
    if (new_brk < brk_page) {
155
        target_brk = new_brk;
156
            return (long)target_brk;
157
    }
158

    
159
    /* We need to allocate more memory after the brk... */
160
    new_alloc_size = HOST_PAGE_ALIGN(new_brk - brk_page + 1);
161
    mapped_addr = get_errno(target_mmap((unsigned long)brk_page, new_alloc_size, 
162
                                        PROT_READ|PROT_WRITE,
163
                                        MAP_ANON|MAP_FIXED|MAP_PRIVATE, 0, 0));
164
    if (is_error(mapped_addr)) {
165
        return mapped_addr;
166
    } else {
167
        target_brk = new_brk;
168
            return (long)target_brk;
169
    }
170
}
171

    
172
static inline fd_set *target_to_host_fds(fd_set *fds, 
173
                                         target_long *target_fds, int n)
174
{
175
#if !defined(BSWAP_NEEDED) && !defined(WORDS_BIGENDIAN)
176
    return (fd_set *)target_fds;
177
#else
178
    int i, b;
179
    if (target_fds) {
180
        FD_ZERO(fds);
181
        for(i = 0;i < n; i++) {
182
            b = (tswapl(target_fds[i / TARGET_LONG_BITS]) >>
183
                 (i & (TARGET_LONG_BITS - 1))) & 1;
184
            if (b)
185
                FD_SET(i, fds);
186
        }
187
        return fds;
188
    } else {
189
        return NULL;
190
    }
191
#endif
192
}
193

    
194
static inline void host_to_target_fds(target_long *target_fds, 
195
                                      fd_set *fds, int n)
196
{
197
#if !defined(BSWAP_NEEDED) && !defined(WORDS_BIGENDIAN)
198
    /* nothing to do */
199
#else
200
    int i, nw, j, k;
201
    target_long v;
202

    
203
    if (target_fds) {
204
        nw = n / TARGET_LONG_BITS;
205
        k = 0;
206
        for(i = 0;i < nw; i++) {
207
            v = 0;
208
            for(j = 0; j < TARGET_LONG_BITS; j++) {
209
                v |= ((FD_ISSET(k, fds) != 0) << j);
210
                k++;
211
            }
212
            target_fds[i] = tswapl(v);
213
        }
214
    }
215
#endif
216
}
217

    
218
static inline void host_to_target_rusage(struct target_rusage *target_rusage, 
219
                                         const struct rusage *rusage)
220
{
221
    target_rusage->ru_utime.tv_sec = tswapl(rusage->ru_utime.tv_sec);
222
    target_rusage->ru_utime.tv_usec = tswapl(rusage->ru_utime.tv_usec);
223
    target_rusage->ru_stime.tv_sec = tswapl(rusage->ru_stime.tv_sec);
224
    target_rusage->ru_stime.tv_usec = tswapl(rusage->ru_stime.tv_usec);
225
    target_rusage->ru_maxrss = tswapl(rusage->ru_maxrss);
226
    target_rusage->ru_ixrss = tswapl(rusage->ru_ixrss);
227
    target_rusage->ru_idrss = tswapl(rusage->ru_idrss);
228
    target_rusage->ru_isrss = tswapl(rusage->ru_isrss);
229
    target_rusage->ru_minflt = tswapl(rusage->ru_minflt);
230
    target_rusage->ru_majflt = tswapl(rusage->ru_majflt);
231
    target_rusage->ru_nswap = tswapl(rusage->ru_nswap);
232
    target_rusage->ru_inblock = tswapl(rusage->ru_inblock);
233
    target_rusage->ru_oublock = tswapl(rusage->ru_oublock);
234
    target_rusage->ru_msgsnd = tswapl(rusage->ru_msgsnd);
235
    target_rusage->ru_msgrcv = tswapl(rusage->ru_msgrcv);
236
    target_rusage->ru_nsignals = tswapl(rusage->ru_nsignals);
237
    target_rusage->ru_nvcsw = tswapl(rusage->ru_nvcsw);
238
    target_rusage->ru_nivcsw = tswapl(rusage->ru_nivcsw);
239
}
240

    
241
static inline void target_to_host_timeval(struct timeval *tv, 
242
                                          const struct target_timeval *target_tv)
243
{
244
    tv->tv_sec = tswapl(target_tv->tv_sec);
245
    tv->tv_usec = tswapl(target_tv->tv_usec);
246
}
247

    
248
static inline void host_to_target_timeval(struct target_timeval *target_tv, 
249
                                          const struct timeval *tv)
250
{
251
    target_tv->tv_sec = tswapl(tv->tv_sec);
252
    target_tv->tv_usec = tswapl(tv->tv_usec);
253
}
254

    
255

    
256
static long do_select(long n, 
257
                      target_long *target_rfds, target_long *target_wfds, 
258
                      target_long *target_efds, struct target_timeval *target_tv)
259
{
260
    fd_set rfds, wfds, efds;
261
    fd_set *rfds_ptr, *wfds_ptr, *efds_ptr;
262
    struct timeval tv, *tv_ptr;
263
    long ret;
264

    
265
    rfds_ptr = target_to_host_fds(&rfds, target_rfds, n);
266
    wfds_ptr = target_to_host_fds(&wfds, target_wfds, n);
267
    efds_ptr = target_to_host_fds(&efds, target_efds, n);
268
            
269
    if (target_tv) {
270
        target_to_host_timeval(&tv, target_tv);
271
        tv_ptr = &tv;
272
    } else {
273
        tv_ptr = NULL;
274
    }
275
    ret = get_errno(select(n, rfds_ptr, wfds_ptr, efds_ptr, tv_ptr));
276
    if (!is_error(ret)) {
277
        host_to_target_fds(target_rfds, rfds_ptr, n);
278
        host_to_target_fds(target_wfds, wfds_ptr, n);
279
        host_to_target_fds(target_efds, efds_ptr, n);
280

    
281
        if (target_tv) {
282
            host_to_target_timeval(target_tv, &tv);
283
        }
284
    }
285
    return ret;
286
}
287

    
288
static inline void target_to_host_sockaddr(struct sockaddr *addr,
289
                                           struct target_sockaddr *target_addr,
290
                                           socklen_t len)
291
{
292
    memcpy(addr, target_addr, len);
293
    addr->sa_family = tswap16(target_addr->sa_family);
294
}
295

    
296
static inline void host_to_target_sockaddr(struct target_sockaddr *target_addr,
297
                                           struct sockaddr *addr,
298
                                           socklen_t len)
299
{
300
    memcpy(target_addr, addr, len);
301
    target_addr->sa_family = tswap16(addr->sa_family);
302
}
303

    
304
static inline void target_to_host_cmsg(struct msghdr *msgh,
305
                                       struct target_msghdr *target_msgh)
306
{
307
    struct cmsghdr *cmsg = CMSG_FIRSTHDR(msgh);
308
    struct target_cmsghdr *target_cmsg = TARGET_CMSG_FIRSTHDR(target_msgh);
309
    socklen_t space = 0;
310

    
311
    while (cmsg && target_cmsg) {
312
        void *data = CMSG_DATA(cmsg);
313
        void *target_data = TARGET_CMSG_DATA(target_cmsg);
314

    
315
        int len = tswapl(target_cmsg->cmsg_len) 
316
                  - TARGET_CMSG_ALIGN(sizeof (struct target_cmsghdr));
317

    
318
        space += CMSG_SPACE(len);
319
        if (space > msgh->msg_controllen) {
320
            space -= CMSG_SPACE(len);
321
            gemu_log("Host cmsg overflow");
322
            break;
323
        }
324

    
325
        cmsg->cmsg_level = tswap32(target_cmsg->cmsg_level);
326
        cmsg->cmsg_type = tswap32(target_cmsg->cmsg_type);
327
        cmsg->cmsg_len = CMSG_LEN(len);
328

    
329
        if (cmsg->cmsg_level != SOL_SOCKET || cmsg->cmsg_type != SCM_RIGHTS) {
330
            gemu_log("Unsupported ancillary data: %d/%d\n", cmsg->cmsg_level, cmsg->cmsg_type);
331
            memcpy(data, target_data, len);
332
        } else {
333
            int *fd = (int *)data;
334
            int *target_fd = (int *)target_data;
335
            int i, numfds = len / sizeof(int);
336

    
337
            for (i = 0; i < numfds; i++)
338
                fd[i] = tswap32(target_fd[i]);
339
        }
340

    
341
        cmsg = CMSG_NXTHDR(msgh, cmsg);
342
        target_cmsg = TARGET_CMSG_NXTHDR(target_msgh, target_cmsg);
343
    }
344

    
345
    msgh->msg_controllen = space;
346
}
347

    
348
static inline void host_to_target_cmsg(struct target_msghdr *target_msgh,
349
                                       struct msghdr *msgh)
350
{
351
    struct cmsghdr *cmsg = CMSG_FIRSTHDR(msgh);
352
    struct target_cmsghdr *target_cmsg = TARGET_CMSG_FIRSTHDR(target_msgh);
353
    socklen_t space = 0;
354

    
355
    while (cmsg && target_cmsg) {
356
        void *data = CMSG_DATA(cmsg);
357
        void *target_data = TARGET_CMSG_DATA(target_cmsg);
358

    
359
        int len = cmsg->cmsg_len - CMSG_ALIGN(sizeof (struct cmsghdr));
360

    
361
        space += TARGET_CMSG_SPACE(len);
362
        if (space > tswapl(target_msgh->msg_controllen)) {
363
            space -= TARGET_CMSG_SPACE(len);
364
            gemu_log("Target cmsg overflow");
365
            break;
366
        }
367

    
368
        target_cmsg->cmsg_level = tswap32(cmsg->cmsg_level);
369
        target_cmsg->cmsg_type = tswap32(cmsg->cmsg_type);
370
        target_cmsg->cmsg_len = tswapl(TARGET_CMSG_LEN(len));
371

    
372
        if (cmsg->cmsg_level != SOL_SOCKET || cmsg->cmsg_type != SCM_RIGHTS) {
373
            gemu_log("Unsupported ancillary data: %d/%d\n", cmsg->cmsg_level, cmsg->cmsg_type);
374
            memcpy(target_data, data, len);
375
        } else {
376
            int *fd = (int *)data;
377
            int *target_fd = (int *)target_data;
378
            int i, numfds = len / sizeof(int);
379

    
380
            for (i = 0; i < numfds; i++)
381
                target_fd[i] = tswap32(fd[i]);
382
        }
383

    
384
        cmsg = CMSG_NXTHDR(msgh, cmsg);
385
        target_cmsg = TARGET_CMSG_NXTHDR(target_msgh, target_cmsg);
386
    }
387

    
388
    msgh->msg_controllen = tswapl(space);
389
}
390

    
391
static long do_setsockopt(int sockfd, int level, int optname, 
392
                          void *optval, socklen_t optlen)
393
{
394
    if (level == SOL_TCP) {
395
        /* TCP options all take an 'int' value.  */
396
        int val;
397

    
398
        if (optlen < sizeof(uint32_t))
399
            return -EINVAL;
400

    
401
        val = tswap32(*(uint32_t *)optval);
402
        return get_errno(setsockopt(sockfd, level, optname, &val, sizeof(val)));
403
    }
404

    
405
    else if (level != SOL_SOCKET) {
406
        gemu_log("Unsupported setsockopt level: %d\n", level);
407
        return -ENOSYS;
408
    }
409

    
410
    switch (optname) {
411
    /* Options with 'int' argument.  */
412
    case SO_DEBUG:
413
    case SO_REUSEADDR:
414
    case SO_TYPE:
415
    case SO_ERROR:
416
    case SO_DONTROUTE:
417
    case SO_BROADCAST:
418
    case SO_SNDBUF:
419
    case SO_RCVBUF:
420
    case SO_KEEPALIVE:
421
    case SO_OOBINLINE:
422
    case SO_NO_CHECK:
423
    case SO_PRIORITY:
424
    case SO_BSDCOMPAT:
425
    case SO_PASSCRED:
426
    case SO_TIMESTAMP:
427
    case SO_RCVLOWAT:
428
    case SO_RCVTIMEO:
429
    case SO_SNDTIMEO:
430
    {
431
        int val;
432
        if (optlen < sizeof(uint32_t))
433
            return -EINVAL;
434
        val = tswap32(*(uint32_t *)optval);
435
        return get_errno(setsockopt(sockfd, level, optname, &val, sizeof(val)));
436
    }
437

    
438
    default:
439
        gemu_log("Unsupported setsockopt SOL_SOCKET option: %d\n", optname);
440
        return -ENOSYS;
441
    }
442
}
443

    
444
static long do_getsockopt(int sockfd, int level, int optname, 
445
                          void *optval, socklen_t *optlen)
446
{
447
    gemu_log("getsockopt not yet supported\n");
448
    return -ENOSYS;
449
}
450

    
451
static long do_socketcall(int num, int32_t *vptr)
452
{
453
    long ret;
454

    
455
    switch(num) {
456
    case SOCKOP_socket:
457
        {
458
            int domain = tswap32(vptr[0]);
459
            int type = tswap32(vptr[1]);
460
            int protocol = tswap32(vptr[2]);
461

    
462
            ret = get_errno(socket(domain, type, protocol));
463
        }
464
        break;
465
    case SOCKOP_bind:
466
        {
467
            int sockfd = tswap32(vptr[0]);
468
            void *target_addr = (void *)tswap32(vptr[1]);
469
            socklen_t addrlen = tswap32(vptr[2]);
470
            void *addr = alloca(addrlen);
471

    
472
            target_to_host_sockaddr(addr, target_addr, addrlen);
473
            ret = get_errno(bind(sockfd, addr, addrlen));
474
        }
475
        break;
476
    case SOCKOP_connect:
477
        {
478
            int sockfd = tswap32(vptr[0]);
479
            void *target_addr = (void *)tswap32(vptr[1]);
480
            socklen_t addrlen = tswap32(vptr[2]);
481
            void *addr = alloca(addrlen);
482

    
483
            target_to_host_sockaddr(addr, target_addr, addrlen);
484
            ret = get_errno(connect(sockfd, addr, addrlen));
485
        }
486
        break;
487
    case SOCKOP_listen:
488
        {
489
            int sockfd = tswap32(vptr[0]);
490
            int backlog = tswap32(vptr[1]);
491

    
492
            ret = get_errno(listen(sockfd, backlog));
493
        }
494
        break;
495
    case SOCKOP_accept:
496
        {
497
            int sockfd = tswap32(vptr[0]);
498
            void *target_addr = (void *)tswap32(vptr[1]);
499
            uint32_t *target_addrlen = (void *)tswap32(vptr[2]);
500
            socklen_t addrlen = tswap32(*target_addrlen);
501
            void *addr = alloca(addrlen);
502

    
503
            ret = get_errno(accept(sockfd, addr, &addrlen));
504
            if (!is_error(ret)) {
505
                host_to_target_sockaddr(target_addr, addr, addrlen);
506
                *target_addrlen = tswap32(addrlen);
507
            }
508
        }
509
        break;
510
    case SOCKOP_getsockname:
511
        {
512
            int sockfd = tswap32(vptr[0]);
513
            void *target_addr = (void *)tswap32(vptr[1]);
514
            uint32_t *target_addrlen = (void *)tswap32(vptr[2]);
515
            socklen_t addrlen = tswap32(*target_addrlen);
516
            void *addr = alloca(addrlen);
517

    
518
            ret = get_errno(getsockname(sockfd, addr, &addrlen));
519
            if (!is_error(ret)) {
520
                host_to_target_sockaddr(target_addr, addr, addrlen);
521
                *target_addrlen = tswap32(addrlen);
522
            }
523
        }
524
        break;
525
    case SOCKOP_getpeername:
526
        {
527
            int sockfd = tswap32(vptr[0]);
528
            void *target_addr = (void *)tswap32(vptr[1]);
529
            uint32_t *target_addrlen = (void *)tswap32(vptr[2]);
530
            socklen_t addrlen = tswap32(*target_addrlen);
531
            void *addr = alloca(addrlen);
532

    
533
            ret = get_errno(getpeername(sockfd, addr, &addrlen));
534
            if (!is_error(ret)) {
535
                host_to_target_sockaddr(target_addr, addr, addrlen);
536
                *target_addrlen = tswap32(addrlen);
537
            }
538
        }
539
        break;
540
    case SOCKOP_socketpair:
541
        {
542
            int domain = tswap32(vptr[0]);
543
            int type = tswap32(vptr[1]);
544
            int protocol = tswap32(vptr[2]);
545
            int32_t *target_tab = (void *)tswap32(vptr[3]);
546
            int tab[2];
547

    
548
            ret = get_errno(socketpair(domain, type, protocol, tab));
549
            if (!is_error(ret)) {
550
                target_tab[0] = tswap32(tab[0]);
551
                target_tab[1] = tswap32(tab[1]);
552
            }
553
        }
554
        break;
555
    case SOCKOP_send:
556
        {
557
            int sockfd = tswap32(vptr[0]);
558
            void *msg = (void *)tswap32(vptr[1]);
559
            size_t len = tswap32(vptr[2]);
560
            int flags = tswap32(vptr[3]);
561

    
562
            ret = get_errno(send(sockfd, msg, len, flags));
563
        }
564
        break;
565
    case SOCKOP_recv:
566
        {
567
            int sockfd = tswap32(vptr[0]);
568
            void *msg = (void *)tswap32(vptr[1]);
569
            size_t len = tswap32(vptr[2]);
570
            int flags = tswap32(vptr[3]);
571

    
572
            ret = get_errno(recv(sockfd, msg, len, flags));
573
        }
574
        break;
575
    case SOCKOP_sendto:
576
        {
577
            int sockfd = tswap32(vptr[0]);
578
            void *msg = (void *)tswap32(vptr[1]);
579
            size_t len = tswap32(vptr[2]);
580
            int flags = tswap32(vptr[3]);
581
            void *target_addr = (void *)tswap32(vptr[4]);
582
            socklen_t addrlen = tswap32(vptr[5]);
583
            void *addr = alloca(addrlen);
584

    
585
            target_to_host_sockaddr(addr, target_addr, addrlen);
586
            ret = get_errno(sendto(sockfd, msg, len, flags, addr, addrlen));
587
        }
588
        break;
589
    case SOCKOP_recvfrom:
590
        {
591
            int sockfd = tswap32(vptr[0]);
592
            void *msg = (void *)tswap32(vptr[1]);
593
            size_t len = tswap32(vptr[2]);
594
            int flags = tswap32(vptr[3]);
595
            void *target_addr = (void *)tswap32(vptr[4]);
596
            uint32_t *target_addrlen = (void *)tswap32(vptr[5]);
597
            socklen_t addrlen = tswap32(*target_addrlen);
598
            void *addr = alloca(addrlen);
599

    
600
            ret = get_errno(recvfrom(sockfd, msg, len, flags, addr, &addrlen));
601
            if (!is_error(ret)) {
602
                host_to_target_sockaddr(target_addr, addr, addrlen);
603
                *target_addrlen = tswap32(addrlen);
604
            }
605
        }
606
        break;
607
    case SOCKOP_shutdown:
608
        {
609
            int sockfd = tswap32(vptr[0]);
610
            int how = tswap32(vptr[1]);
611

    
612
            ret = get_errno(shutdown(sockfd, how));
613
        }
614
        break;
615
    case SOCKOP_sendmsg:
616
    case SOCKOP_recvmsg:
617
        {
618
            int fd;
619
            struct target_msghdr *msgp;
620
            struct msghdr msg;
621
            int flags, count, i;
622
            struct iovec *vec;
623
            struct target_iovec *target_vec;
624

    
625
            msgp = (void *)tswap32(vptr[1]);
626
            msg.msg_name = (void *)tswapl(msgp->msg_name);
627
            msg.msg_namelen = tswapl(msgp->msg_namelen);
628
            msg.msg_controllen = 2 * tswapl(msgp->msg_controllen);
629
            msg.msg_control = alloca(msg.msg_controllen);
630
            msg.msg_flags = tswap32(msgp->msg_flags);
631

    
632
            count = tswapl(msgp->msg_iovlen);
633
            vec = alloca(count * sizeof(struct iovec));
634
            target_vec = (void *)tswapl(msgp->msg_iov);
635
            for(i = 0;i < count; i++) {
636
                vec[i].iov_base = (void *)tswapl(target_vec[i].iov_base);
637
                vec[i].iov_len = tswapl(target_vec[i].iov_len);
638
            }
639
            msg.msg_iovlen = count;
640
            msg.msg_iov = vec;
641

    
642
            fd = tswap32(vptr[0]);
643
            flags = tswap32(vptr[2]);
644
            if (num == SOCKOP_sendmsg) {
645
                target_to_host_cmsg(&msg, msgp);
646
                ret = get_errno(sendmsg(fd, &msg, flags));
647
            } else {
648
                ret = get_errno(recvmsg(fd, &msg, flags));
649
                if (!is_error(ret))
650
                  host_to_target_cmsg(msgp, &msg);
651
            }
652
        }
653
        break;
654
    case SOCKOP_setsockopt:
655
        {
656
            int sockfd = tswap32(vptr[0]);
657
            int level = tswap32(vptr[1]);
658
            int optname = tswap32(vptr[2]);
659
            void *optval = (void *)tswap32(vptr[3]);
660
            socklen_t optlen = tswap32(vptr[4]);
661

    
662
            ret = do_setsockopt(sockfd, level, optname, optval, optlen);
663
        }
664
        break;
665
    case SOCKOP_getsockopt:
666
        {
667
            int sockfd = tswap32(vptr[0]);
668
            int level = tswap32(vptr[1]);
669
            int optname = tswap32(vptr[2]);
670
            void *optval = (void *)tswap32(vptr[3]);
671
            uint32_t *target_len = (void *)tswap32(vptr[4]);
672
            socklen_t optlen = tswap32(*target_len);
673

    
674
            ret = do_getsockopt(sockfd, level, optname, optval, &optlen);
675
            if (!is_error(ret))
676
                *target_len = tswap32(optlen);
677
        }
678
        break;
679
    default:
680
        gemu_log("Unsupported socketcall: %d\n", num);
681
        ret = -ENOSYS;
682
        break;
683
    }
684
    return ret;
685
}
686

    
687
/* kernel structure types definitions */
688
#define IFNAMSIZ        16
689

    
690
#define STRUCT(name, list...) STRUCT_ ## name,
691
#define STRUCT_SPECIAL(name) STRUCT_ ## name,
692
enum {
693
#include "syscall_types.h"
694
};
695
#undef STRUCT
696
#undef STRUCT_SPECIAL
697

    
698
#define STRUCT(name, list...) const argtype struct_ ## name ## _def[] = { list, TYPE_NULL };
699
#define STRUCT_SPECIAL(name)
700
#include "syscall_types.h"
701
#undef STRUCT
702
#undef STRUCT_SPECIAL
703

    
704
typedef struct IOCTLEntry {
705
    int target_cmd;
706
    int host_cmd;
707
    const char *name;
708
    int access;
709
    const argtype arg_type[5];
710
} IOCTLEntry;
711

    
712
#define IOC_R 0x0001
713
#define IOC_W 0x0002
714
#define IOC_RW (IOC_R | IOC_W)
715

    
716
#define MAX_STRUCT_SIZE 4096
717

    
718
const IOCTLEntry ioctl_entries[] = {
719
#define IOCTL(cmd, access, types...) \
720
    { TARGET_ ## cmd, cmd, #cmd, access, { types } },
721
#include "ioctls.h"
722
    { 0, 0, },
723
};
724

    
725
static long do_ioctl(long fd, long cmd, long arg)
726
{
727
    const IOCTLEntry *ie;
728
    const argtype *arg_type;
729
    long ret;
730
    uint8_t buf_temp[MAX_STRUCT_SIZE];
731

    
732
    ie = ioctl_entries;
733
    for(;;) {
734
        if (ie->target_cmd == 0) {
735
            gemu_log("Unsupported ioctl: cmd=0x%04lx\n", cmd);
736
            return -ENOSYS;
737
        }
738
        if (ie->target_cmd == cmd)
739
            break;
740
        ie++;
741
    }
742
    arg_type = ie->arg_type;
743
#if defined(DEBUG)
744
    gemu_log("ioctl: cmd=0x%04lx (%s)\n", cmd, ie->name);
745
#endif
746
    switch(arg_type[0]) {
747
    case TYPE_NULL:
748
        /* no argument */
749
        ret = get_errno(ioctl(fd, ie->host_cmd));
750
        break;
751
    case TYPE_PTRVOID:
752
    case TYPE_INT:
753
        /* int argment */
754
        ret = get_errno(ioctl(fd, ie->host_cmd, arg));
755
        break;
756
    case TYPE_PTR:
757
        arg_type++;
758
        switch(ie->access) {
759
        case IOC_R:
760
            ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp));
761
            if (!is_error(ret)) {
762
                thunk_convert((void *)arg, buf_temp, arg_type, THUNK_TARGET);
763
            }
764
            break;
765
        case IOC_W:
766
            thunk_convert(buf_temp, (void *)arg, arg_type, THUNK_HOST);
767
            ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp));
768
            break;
769
        default:
770
        case IOC_RW:
771
            thunk_convert(buf_temp, (void *)arg, arg_type, THUNK_HOST);
772
            ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp));
773
            if (!is_error(ret)) {
774
                thunk_convert((void *)arg, buf_temp, arg_type, THUNK_TARGET);
775
            }
776
            break;
777
        }
778
        break;
779
    default:
780
        gemu_log("Unsupported ioctl type: cmd=0x%04lx type=%d\n", cmd, arg_type[0]);
781
        ret = -ENOSYS;
782
        break;
783
    }
784
    return ret;
785
}
786

    
787
bitmask_transtbl iflag_tbl[] = {
788
        { TARGET_IGNBRK, TARGET_IGNBRK, IGNBRK, IGNBRK },
789
        { TARGET_BRKINT, TARGET_BRKINT, BRKINT, BRKINT },
790
        { TARGET_IGNPAR, TARGET_IGNPAR, IGNPAR, IGNPAR },
791
        { TARGET_PARMRK, TARGET_PARMRK, PARMRK, PARMRK },
792
        { TARGET_INPCK, TARGET_INPCK, INPCK, INPCK },
793
        { TARGET_ISTRIP, TARGET_ISTRIP, ISTRIP, ISTRIP },
794
        { TARGET_INLCR, TARGET_INLCR, INLCR, INLCR },
795
        { TARGET_IGNCR, TARGET_IGNCR, IGNCR, IGNCR },
796
        { TARGET_ICRNL, TARGET_ICRNL, ICRNL, ICRNL },
797
        { TARGET_IUCLC, TARGET_IUCLC, IUCLC, IUCLC },
798
        { TARGET_IXON, TARGET_IXON, IXON, IXON },
799
        { TARGET_IXANY, TARGET_IXANY, IXANY, IXANY },
800
        { TARGET_IXOFF, TARGET_IXOFF, IXOFF, IXOFF },
801
        { TARGET_IMAXBEL, TARGET_IMAXBEL, IMAXBEL, IMAXBEL },
802
        { 0, 0, 0, 0 }
803
};
804

    
805
bitmask_transtbl oflag_tbl[] = {
806
        { TARGET_OPOST, TARGET_OPOST, OPOST, OPOST },
807
        { TARGET_OLCUC, TARGET_OLCUC, OLCUC, OLCUC },
808
        { TARGET_ONLCR, TARGET_ONLCR, ONLCR, ONLCR },
809
        { TARGET_OCRNL, TARGET_OCRNL, OCRNL, OCRNL },
810
        { TARGET_ONOCR, TARGET_ONOCR, ONOCR, ONOCR },
811
        { TARGET_ONLRET, TARGET_ONLRET, ONLRET, ONLRET },
812
        { TARGET_OFILL, TARGET_OFILL, OFILL, OFILL },
813
        { TARGET_OFDEL, TARGET_OFDEL, OFDEL, OFDEL },
814
        { TARGET_NLDLY, TARGET_NL0, NLDLY, NL0 },
815
        { TARGET_NLDLY, TARGET_NL1, NLDLY, NL1 },
816
        { TARGET_CRDLY, TARGET_CR0, CRDLY, CR0 },
817
        { TARGET_CRDLY, TARGET_CR1, CRDLY, CR1 },
818
        { TARGET_CRDLY, TARGET_CR2, CRDLY, CR2 },
819
        { TARGET_CRDLY, TARGET_CR3, CRDLY, CR3 },
820
        { TARGET_TABDLY, TARGET_TAB0, TABDLY, TAB0 },
821
        { TARGET_TABDLY, TARGET_TAB1, TABDLY, TAB1 },
822
        { TARGET_TABDLY, TARGET_TAB2, TABDLY, TAB2 },
823
        { TARGET_TABDLY, TARGET_TAB3, TABDLY, TAB3 },
824
        { TARGET_BSDLY, TARGET_BS0, BSDLY, BS0 },
825
        { TARGET_BSDLY, TARGET_BS1, BSDLY, BS1 },
826
        { TARGET_VTDLY, TARGET_VT0, VTDLY, VT0 },
827
        { TARGET_VTDLY, TARGET_VT1, VTDLY, VT1 },
828
        { TARGET_FFDLY, TARGET_FF0, FFDLY, FF0 },
829
        { TARGET_FFDLY, TARGET_FF1, FFDLY, FF1 },
830
        { 0, 0, 0, 0 }
831
};
832

    
833
bitmask_transtbl cflag_tbl[] = {
834
        { TARGET_CBAUD, TARGET_B0, CBAUD, B0 },
835
        { TARGET_CBAUD, TARGET_B50, CBAUD, B50 },
836
        { TARGET_CBAUD, TARGET_B75, CBAUD, B75 },
837
        { TARGET_CBAUD, TARGET_B110, CBAUD, B110 },
838
        { TARGET_CBAUD, TARGET_B134, CBAUD, B134 },
839
        { TARGET_CBAUD, TARGET_B150, CBAUD, B150 },
840
        { TARGET_CBAUD, TARGET_B200, CBAUD, B200 },
841
        { TARGET_CBAUD, TARGET_B300, CBAUD, B300 },
842
        { TARGET_CBAUD, TARGET_B600, CBAUD, B600 },
843
        { TARGET_CBAUD, TARGET_B1200, CBAUD, B1200 },
844
        { TARGET_CBAUD, TARGET_B1800, CBAUD, B1800 },
845
        { TARGET_CBAUD, TARGET_B2400, CBAUD, B2400 },
846
        { TARGET_CBAUD, TARGET_B4800, CBAUD, B4800 },
847
        { TARGET_CBAUD, TARGET_B9600, CBAUD, B9600 },
848
        { TARGET_CBAUD, TARGET_B19200, CBAUD, B19200 },
849
        { TARGET_CBAUD, TARGET_B38400, CBAUD, B38400 },
850
        { TARGET_CBAUD, TARGET_B57600, CBAUD, B57600 },
851
        { TARGET_CBAUD, TARGET_B115200, CBAUD, B115200 },
852
        { TARGET_CBAUD, TARGET_B230400, CBAUD, B230400 },
853
        { TARGET_CBAUD, TARGET_B460800, CBAUD, B460800 },
854
        { TARGET_CSIZE, TARGET_CS5, CSIZE, CS5 },
855
        { TARGET_CSIZE, TARGET_CS6, CSIZE, CS6 },
856
        { TARGET_CSIZE, TARGET_CS7, CSIZE, CS7 },
857
        { TARGET_CSIZE, TARGET_CS8, CSIZE, CS8 },
858
        { TARGET_CSTOPB, TARGET_CSTOPB, CSTOPB, CSTOPB },
859
        { TARGET_CREAD, TARGET_CREAD, CREAD, CREAD },
860
        { TARGET_PARENB, TARGET_PARENB, PARENB, PARENB },
861
        { TARGET_PARODD, TARGET_PARODD, PARODD, PARODD },
862
        { TARGET_HUPCL, TARGET_HUPCL, HUPCL, HUPCL },
863
        { TARGET_CLOCAL, TARGET_CLOCAL, CLOCAL, CLOCAL },
864
        { TARGET_CRTSCTS, TARGET_CRTSCTS, CRTSCTS, CRTSCTS },
865
        { 0, 0, 0, 0 }
866
};
867

    
868
bitmask_transtbl lflag_tbl[] = {
869
        { TARGET_ISIG, TARGET_ISIG, ISIG, ISIG },
870
        { TARGET_ICANON, TARGET_ICANON, ICANON, ICANON },
871
        { TARGET_XCASE, TARGET_XCASE, XCASE, XCASE },
872
        { TARGET_ECHO, TARGET_ECHO, ECHO, ECHO },
873
        { TARGET_ECHOE, TARGET_ECHOE, ECHOE, ECHOE },
874
        { TARGET_ECHOK, TARGET_ECHOK, ECHOK, ECHOK },
875
        { TARGET_ECHONL, TARGET_ECHONL, ECHONL, ECHONL },
876
        { TARGET_NOFLSH, TARGET_NOFLSH, NOFLSH, NOFLSH },
877
        { TARGET_TOSTOP, TARGET_TOSTOP, TOSTOP, TOSTOP },
878
        { TARGET_ECHOCTL, TARGET_ECHOCTL, ECHOCTL, ECHOCTL },
879
        { TARGET_ECHOPRT, TARGET_ECHOPRT, ECHOPRT, ECHOPRT },
880
        { TARGET_ECHOKE, TARGET_ECHOKE, ECHOKE, ECHOKE },
881
        { TARGET_FLUSHO, TARGET_FLUSHO, FLUSHO, FLUSHO },
882
        { TARGET_PENDIN, TARGET_PENDIN, PENDIN, PENDIN },
883
        { TARGET_IEXTEN, TARGET_IEXTEN, IEXTEN, IEXTEN },
884
        { 0, 0, 0, 0 }
885
};
886

    
887
static void target_to_host_termios (void *dst, const void *src)
888
{
889
    struct host_termios *host = dst;
890
    const struct target_termios *target = src;
891
    
892
    host->c_iflag = 
893
        target_to_host_bitmask(tswap32(target->c_iflag), iflag_tbl);
894
    host->c_oflag = 
895
        target_to_host_bitmask(tswap32(target->c_oflag), oflag_tbl);
896
    host->c_cflag = 
897
        target_to_host_bitmask(tswap32(target->c_cflag), cflag_tbl);
898
    host->c_lflag = 
899
        target_to_host_bitmask(tswap32(target->c_lflag), lflag_tbl);
900
    host->c_line = target->c_line;
901
    
902
    host->c_cc[VINTR] = target->c_cc[TARGET_VINTR]; 
903
    host->c_cc[VQUIT] = target->c_cc[TARGET_VQUIT]; 
904
    host->c_cc[VERASE] = target->c_cc[TARGET_VERASE];       
905
    host->c_cc[VKILL] = target->c_cc[TARGET_VKILL]; 
906
    host->c_cc[VEOF] = target->c_cc[TARGET_VEOF];   
907
    host->c_cc[VTIME] = target->c_cc[TARGET_VTIME]; 
908
    host->c_cc[VMIN] = target->c_cc[TARGET_VMIN];   
909
    host->c_cc[VSWTC] = target->c_cc[TARGET_VSWTC]; 
910
    host->c_cc[VSTART] = target->c_cc[TARGET_VSTART];       
911
    host->c_cc[VSTOP] = target->c_cc[TARGET_VSTOP]; 
912
    host->c_cc[VSUSP] = target->c_cc[TARGET_VSUSP]; 
913
    host->c_cc[VEOL] = target->c_cc[TARGET_VEOL];   
914
    host->c_cc[VREPRINT] = target->c_cc[TARGET_VREPRINT];   
915
    host->c_cc[VDISCARD] = target->c_cc[TARGET_VDISCARD];   
916
    host->c_cc[VWERASE] = target->c_cc[TARGET_VWERASE];     
917
    host->c_cc[VLNEXT] = target->c_cc[TARGET_VLNEXT];       
918
    host->c_cc[VEOL2] = target->c_cc[TARGET_VEOL2]; 
919
}
920
  
921
static void host_to_target_termios (void *dst, const void *src)
922
{
923
    struct target_termios *target = dst;
924
    const struct host_termios *host = src;
925

    
926
    target->c_iflag = 
927
        tswap32(host_to_target_bitmask(host->c_iflag, iflag_tbl));
928
    target->c_oflag = 
929
        tswap32(host_to_target_bitmask(host->c_oflag, oflag_tbl));
930
    target->c_cflag = 
931
        tswap32(host_to_target_bitmask(host->c_cflag, cflag_tbl));
932
    target->c_lflag = 
933
        tswap32(host_to_target_bitmask(host->c_lflag, lflag_tbl));
934
    target->c_line = host->c_line;
935
  
936
    target->c_cc[TARGET_VINTR] = host->c_cc[VINTR];
937
    target->c_cc[TARGET_VQUIT] = host->c_cc[VQUIT];
938
    target->c_cc[TARGET_VERASE] = host->c_cc[VERASE];
939
    target->c_cc[TARGET_VKILL] = host->c_cc[VKILL];
940
    target->c_cc[TARGET_VEOF] = host->c_cc[VEOF];
941
    target->c_cc[TARGET_VTIME] = host->c_cc[VTIME];
942
    target->c_cc[TARGET_VMIN] = host->c_cc[VMIN];
943
    target->c_cc[TARGET_VSWTC] = host->c_cc[VSWTC];
944
    target->c_cc[TARGET_VSTART] = host->c_cc[VSTART];
945
    target->c_cc[TARGET_VSTOP] = host->c_cc[VSTOP];
946
    target->c_cc[TARGET_VSUSP] = host->c_cc[VSUSP];
947
    target->c_cc[TARGET_VEOL] = host->c_cc[VEOL];
948
    target->c_cc[TARGET_VREPRINT] = host->c_cc[VREPRINT];
949
    target->c_cc[TARGET_VDISCARD] = host->c_cc[VDISCARD];
950
    target->c_cc[TARGET_VWERASE] = host->c_cc[VWERASE];
951
    target->c_cc[TARGET_VLNEXT] = host->c_cc[VLNEXT];
952
    target->c_cc[TARGET_VEOL2] = host->c_cc[VEOL2];
953
}
954

    
955
StructEntry struct_termios_def = {
956
    .convert = { host_to_target_termios, target_to_host_termios },
957
    .size = { sizeof(struct target_termios), sizeof(struct host_termios) },
958
    .align = { __alignof__(struct target_termios), __alignof__(struct host_termios) },
959
};
960

    
961
#ifdef TARGET_I386
962

    
963
/* NOTE: there is really one LDT for all the threads */
964
uint8_t *ldt_table;
965

    
966
static int read_ldt(void *ptr, unsigned long bytecount)
967
{
968
    int size;
969

    
970
    if (!ldt_table)
971
        return 0;
972
    size = TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE;
973
    if (size > bytecount)
974
        size = bytecount;
975
    memcpy(ptr, ldt_table, size);
976
    return size;
977
}
978

    
979
/* XXX: add locking support */
980
static int write_ldt(CPUX86State *env, 
981
                     void *ptr, unsigned long bytecount, int oldmode)
982
{
983
    struct target_modify_ldt_ldt_s ldt_info;
984
    int seg_32bit, contents, read_exec_only, limit_in_pages;
985
    int seg_not_present, useable;
986
    uint32_t *lp, entry_1, entry_2;
987

    
988
    if (bytecount != sizeof(ldt_info))
989
        return -EINVAL;
990
    memcpy(&ldt_info, ptr, sizeof(ldt_info));
991
    tswap32s(&ldt_info.entry_number);
992
    tswapls((long *)&ldt_info.base_addr);
993
    tswap32s(&ldt_info.limit);
994
    tswap32s(&ldt_info.flags);
995
    
996
    if (ldt_info.entry_number >= TARGET_LDT_ENTRIES)
997
        return -EINVAL;
998
    seg_32bit = ldt_info.flags & 1;
999
    contents = (ldt_info.flags >> 1) & 3;
1000
    read_exec_only = (ldt_info.flags >> 3) & 1;
1001
    limit_in_pages = (ldt_info.flags >> 4) & 1;
1002
    seg_not_present = (ldt_info.flags >> 5) & 1;
1003
    useable = (ldt_info.flags >> 6) & 1;
1004

    
1005
    if (contents == 3) {
1006
        if (oldmode)
1007
            return -EINVAL;
1008
        if (seg_not_present == 0)
1009
            return -EINVAL;
1010
    }
1011
    /* allocate the LDT */
1012
    if (!ldt_table) {
1013
        ldt_table = malloc(TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE);
1014
        if (!ldt_table)
1015
            return -ENOMEM;
1016
        memset(ldt_table, 0, TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE);
1017
        env->ldt.base = ldt_table;
1018
        env->ldt.limit = 0xffff;
1019
    }
1020

    
1021
    /* NOTE: same code as Linux kernel */
1022
    /* Allow LDTs to be cleared by the user. */
1023
    if (ldt_info.base_addr == 0 && ldt_info.limit == 0) {
1024
        if (oldmode ||
1025
            (contents == 0                &&
1026
             read_exec_only == 1        &&
1027
             seg_32bit == 0                &&
1028
             limit_in_pages == 0        &&
1029
             seg_not_present == 1        &&
1030
             useable == 0 )) {
1031
            entry_1 = 0;
1032
            entry_2 = 0;
1033
            goto install;
1034
        }
1035
    }
1036
    
1037
    entry_1 = ((ldt_info.base_addr & 0x0000ffff) << 16) |
1038
        (ldt_info.limit & 0x0ffff);
1039
    entry_2 = (ldt_info.base_addr & 0xff000000) |
1040
        ((ldt_info.base_addr & 0x00ff0000) >> 16) |
1041
        (ldt_info.limit & 0xf0000) |
1042
        ((read_exec_only ^ 1) << 9) |
1043
        (contents << 10) |
1044
        ((seg_not_present ^ 1) << 15) |
1045
        (seg_32bit << 22) |
1046
        (limit_in_pages << 23) |
1047
        0x7000;
1048
    if (!oldmode)
1049
        entry_2 |= (useable << 20);
1050

    
1051
    /* Install the new entry ...  */
1052
install:
1053
    lp = (uint32_t *)(ldt_table + (ldt_info.entry_number << 3));
1054
    lp[0] = tswap32(entry_1);
1055
    lp[1] = tswap32(entry_2);
1056
    return 0;
1057
}
1058

    
1059
/* specific and weird i386 syscalls */
1060
int do_modify_ldt(CPUX86State *env, int func, void *ptr, unsigned long bytecount)
1061
{
1062
    int ret = -ENOSYS;
1063
    
1064
    switch (func) {
1065
    case 0:
1066
        ret = read_ldt(ptr, bytecount);
1067
        break;
1068
    case 1:
1069
        ret = write_ldt(env, ptr, bytecount, 1);
1070
        break;
1071
    case 0x11:
1072
        ret = write_ldt(env, ptr, bytecount, 0);
1073
        break;
1074
    }
1075
    return ret;
1076
}
1077

    
1078
/* this stack is the equivalent of the kernel stack associated with a
1079
   thread/process */
1080
#define NEW_STACK_SIZE 8192
1081

    
1082
static int clone_func(void *arg)
1083
{
1084
    CPUX86State *env = arg;
1085
    cpu_loop(env);
1086
    /* never exits */
1087
    return 0;
1088
}
1089

    
1090
int do_fork(CPUX86State *env, unsigned int flags, unsigned long newsp)
1091
{
1092
    int ret;
1093
    TaskState *ts;
1094
    uint8_t *new_stack;
1095
    CPUX86State *new_env;
1096
    
1097
    if (flags & CLONE_VM) {
1098
        if (!newsp)
1099
            newsp = env->regs[R_ESP];
1100
        ts = malloc(sizeof(TaskState) + NEW_STACK_SIZE);
1101
        memset(ts, 0, sizeof(TaskState));
1102
        new_stack = ts->stack;
1103
        ts->used = 1;
1104
        /* add in task state list */
1105
        ts->next = first_task_state;
1106
        first_task_state = ts;
1107
        /* we create a new CPU instance. */
1108
        new_env = cpu_x86_init();
1109
        memcpy(new_env, env, sizeof(CPUX86State));
1110
        new_env->regs[R_ESP] = newsp;
1111
        new_env->regs[R_EAX] = 0;
1112
        new_env->opaque = ts;
1113
#ifdef __ia64__
1114
        ret = clone2(clone_func, new_stack + NEW_STACK_SIZE, flags, new_env);
1115
#else
1116
        ret = clone(clone_func, new_stack + NEW_STACK_SIZE, flags, new_env);
1117
#endif
1118
    } else {
1119
        /* if no CLONE_VM, we consider it is a fork */
1120
        if ((flags & ~CSIGNAL) != 0)
1121
            return -EINVAL;
1122
        ret = fork();
1123
    }
1124
    return ret;
1125
}
1126

    
1127
#endif
1128

    
1129
static long do_fcntl(int fd, int cmd, unsigned long arg)
1130
{
1131
    struct flock fl;
1132
    struct target_flock *target_fl = (void *)arg;
1133
    long ret;
1134
    
1135
    switch(cmd) {
1136
    case TARGET_F_GETLK:
1137
        ret = fcntl(fd, cmd, &fl);
1138
        if (ret == 0) {
1139
            target_fl->l_type = tswap16(fl.l_type);
1140
            target_fl->l_whence = tswap16(fl.l_whence);
1141
            target_fl->l_start = tswapl(fl.l_start);
1142
            target_fl->l_len = tswapl(fl.l_len);
1143
            target_fl->l_pid = tswapl(fl.l_pid);
1144
        }
1145
        break;
1146
        
1147
    case TARGET_F_SETLK:
1148
    case TARGET_F_SETLKW:
1149
        fl.l_type = tswap16(target_fl->l_type);
1150
        fl.l_whence = tswap16(target_fl->l_whence);
1151
        fl.l_start = tswapl(target_fl->l_start);
1152
        fl.l_len = tswapl(target_fl->l_len);
1153
        fl.l_pid = tswapl(target_fl->l_pid);
1154
        ret = fcntl(fd, cmd, &fl);
1155
        break;
1156
        
1157
    case TARGET_F_GETLK64:
1158
    case TARGET_F_SETLK64:
1159
    case TARGET_F_SETLKW64:
1160
        ret = -1;
1161
        errno = EINVAL;
1162
        break;
1163

    
1164
    default:
1165
        ret = fcntl(fd, cmd, arg);
1166
        break;
1167
    }
1168
    return ret;
1169
}
1170

    
1171

    
1172
#define high2lowuid(x) (x)
1173
#define high2lowgid(x) (x)
1174
#define low2highuid(x) (x)
1175
#define low2highgid(x) (x)
1176

    
1177
void syscall_init(void)
1178
{
1179
#define STRUCT(name, list...) thunk_register_struct(STRUCT_ ## name, #name, struct_ ## name ## _def); 
1180
#define STRUCT_SPECIAL(name) thunk_register_struct_direct(STRUCT_ ## name, #name, &struct_ ## name ## _def); 
1181
#include "syscall_types.h"
1182
#undef STRUCT
1183
#undef STRUCT_SPECIAL
1184
}
1185
                                 
1186
long do_syscall(void *cpu_env, int num, long arg1, long arg2, long arg3, 
1187
                long arg4, long arg5, long arg6)
1188
{
1189
    long ret;
1190
    struct stat st;
1191
    struct kernel_statfs *stfs;
1192
    
1193
#ifdef DEBUG
1194
    gemu_log("syscall %d\n", num);
1195
#endif
1196
    switch(num) {
1197
    case TARGET_NR_exit:
1198
#ifdef HAVE_GPROF
1199
        _mcleanup();
1200
#endif
1201
        /* XXX: should free thread stack and CPU env */
1202
        _exit(arg1);
1203
        ret = 0; /* avoid warning */
1204
        break;
1205
    case TARGET_NR_read:
1206
        page_unprotect_range((void *)arg2, arg3);
1207
        ret = get_errno(read(arg1, (void *)arg2, arg3));
1208
        break;
1209
    case TARGET_NR_write:
1210
        ret = get_errno(write(arg1, (void *)arg2, arg3));
1211
        break;
1212
    case TARGET_NR_open:
1213
        ret = get_errno(open(path((const char *)arg1), arg2, arg3));
1214
        break;
1215
    case TARGET_NR_close:
1216
        ret = get_errno(close(arg1));
1217
        break;
1218
    case TARGET_NR_brk:
1219
        ret = do_brk((char *)arg1);
1220
        break;
1221
    case TARGET_NR_fork:
1222
        ret = get_errno(do_fork(cpu_env, SIGCHLD, 0));
1223
        break;
1224
    case TARGET_NR_waitpid:
1225
        {
1226
            int *status = (int *)arg2;
1227
            ret = get_errno(waitpid(arg1, status, arg3));
1228
            if (!is_error(ret) && status)
1229
                tswapls((long *)&status);
1230
        }
1231
        break;
1232
    case TARGET_NR_creat:
1233
        ret = get_errno(creat((const char *)arg1, arg2));
1234
        break;
1235
    case TARGET_NR_link:
1236
        ret = get_errno(link((const char *)arg1, (const char *)arg2));
1237
        break;
1238
    case TARGET_NR_unlink:
1239
        ret = get_errno(unlink((const char *)arg1));
1240
        break;
1241
    case TARGET_NR_execve:
1242
        {
1243
            char **argp, **envp;
1244
            int argc, envc;
1245
            uint32_t *p;
1246
            char **q;
1247

    
1248
            argc = 0;
1249
            for (p = (void *)arg2; *p; p++)
1250
                argc++;
1251
            envc = 0;
1252
            for (p = (void *)arg3; *p; p++)
1253
                envc++;
1254

    
1255
            argp = alloca((argc + 1) * sizeof(void *));
1256
            envp = alloca((envc + 1) * sizeof(void *));
1257

    
1258
            for (p = (void *)arg2, q = argp; *p; p++, q++)
1259
                *q = (void *)tswap32(*p);
1260
            *q = NULL;
1261

    
1262
            for (p = (void *)arg3, q = envp; *p; p++, q++)
1263
                *q = (void *)tswap32(*p);
1264
            *q = NULL;
1265

    
1266
            ret = get_errno(execve((const char *)arg1, argp, envp));
1267
        }
1268
        break;
1269
    case TARGET_NR_chdir:
1270
        ret = get_errno(chdir((const char *)arg1));
1271
        break;
1272
    case TARGET_NR_time:
1273
        {
1274
            int *time_ptr = (int *)arg1;
1275
            ret = get_errno(time((time_t *)time_ptr));
1276
            if (!is_error(ret) && time_ptr)
1277
                tswap32s(time_ptr);
1278
        }
1279
        break;
1280
    case TARGET_NR_mknod:
1281
        ret = get_errno(mknod((const char *)arg1, arg2, arg3));
1282
        break;
1283
    case TARGET_NR_chmod:
1284
        ret = get_errno(chmod((const char *)arg1, arg2));
1285
        break;
1286
    case TARGET_NR_lchown:
1287
        ret = get_errno(chown((const char *)arg1, arg2, arg3));
1288
        break;
1289
    case TARGET_NR_break:
1290
        goto unimplemented;
1291
    case TARGET_NR_oldstat:
1292
        goto unimplemented;
1293
    case TARGET_NR_lseek:
1294
        ret = get_errno(lseek(arg1, arg2, arg3));
1295
        break;
1296
    case TARGET_NR_getpid:
1297
        ret = get_errno(getpid());
1298
        break;
1299
    case TARGET_NR_mount:
1300
        /* need to look at the data field */
1301
        goto unimplemented;
1302
    case TARGET_NR_umount:
1303
        ret = get_errno(umount((const char *)arg1));
1304
        break;
1305
    case TARGET_NR_setuid:
1306
        ret = get_errno(setuid(low2highuid(arg1)));
1307
        break;
1308
    case TARGET_NR_getuid:
1309
        ret = get_errno(getuid());
1310
        break;
1311
    case TARGET_NR_stime:
1312
        {
1313
            int *time_ptr = (int *)arg1;
1314
            if (time_ptr)
1315
                tswap32s(time_ptr);
1316
            ret = get_errno(stime((time_t *)time_ptr));
1317
        }
1318
        break;
1319
    case TARGET_NR_ptrace:
1320
        goto unimplemented;
1321
    case TARGET_NR_alarm:
1322
        ret = alarm(arg1);
1323
        break;
1324
    case TARGET_NR_oldfstat:
1325
        goto unimplemented;
1326
    case TARGET_NR_pause:
1327
        ret = get_errno(pause());
1328
        break;
1329
    case TARGET_NR_utime:
1330
        goto unimplemented;
1331
    case TARGET_NR_stty:
1332
        goto unimplemented;
1333
    case TARGET_NR_gtty:
1334
        goto unimplemented;
1335
    case TARGET_NR_access:
1336
        ret = get_errno(access((const char *)arg1, arg2));
1337
        break;
1338
    case TARGET_NR_nice:
1339
        ret = get_errno(nice(arg1));
1340
        break;
1341
    case TARGET_NR_ftime:
1342
        goto unimplemented;
1343
    case TARGET_NR_sync:
1344
        sync();
1345
        ret = 0;
1346
        break;
1347
    case TARGET_NR_kill:
1348
        ret = get_errno(kill(arg1, arg2));
1349
        break;
1350
    case TARGET_NR_rename:
1351
        ret = get_errno(rename((const char *)arg1, (const char *)arg2));
1352
        break;
1353
    case TARGET_NR_mkdir:
1354
        ret = get_errno(mkdir((const char *)arg1, arg2));
1355
        break;
1356
    case TARGET_NR_rmdir:
1357
        ret = get_errno(rmdir((const char *)arg1));
1358
        break;
1359
    case TARGET_NR_dup:
1360
        ret = get_errno(dup(arg1));
1361
        break;
1362
    case TARGET_NR_pipe:
1363
        {
1364
            int *pipe_ptr = (int *)arg1;
1365
            ret = get_errno(pipe(pipe_ptr));
1366
            if (!is_error(ret)) {
1367
                tswap32s(&pipe_ptr[0]);
1368
                tswap32s(&pipe_ptr[1]);
1369
            }
1370
        }
1371
        break;
1372
    case TARGET_NR_times:
1373
        {
1374
            struct target_tms *tmsp = (void *)arg1;
1375
            struct tms tms;
1376
            ret = get_errno(times(&tms));
1377
            if (tmsp) {
1378
                tmsp->tms_utime = tswapl(tms.tms_utime);
1379
                tmsp->tms_stime = tswapl(tms.tms_stime);
1380
                tmsp->tms_cutime = tswapl(tms.tms_cutime);
1381
                tmsp->tms_cstime = tswapl(tms.tms_cstime);
1382
            }
1383
        }
1384
        break;
1385
    case TARGET_NR_prof:
1386
        goto unimplemented;
1387
    case TARGET_NR_setgid:
1388
        ret = get_errno(setgid(low2highgid(arg1)));
1389
        break;
1390
    case TARGET_NR_getgid:
1391
        ret = get_errno(getgid());
1392
        break;
1393
    case TARGET_NR_signal:
1394
        goto unimplemented;
1395
    case TARGET_NR_geteuid:
1396
        ret = get_errno(geteuid());
1397
        break;
1398
    case TARGET_NR_getegid:
1399
        ret = get_errno(getegid());
1400
        break;
1401
    case TARGET_NR_acct:
1402
        goto unimplemented;
1403
    case TARGET_NR_umount2:
1404
        ret = get_errno(umount2((const char *)arg1, arg2));
1405
        break;
1406
    case TARGET_NR_lock:
1407
        goto unimplemented;
1408
    case TARGET_NR_ioctl:
1409
        ret = do_ioctl(arg1, arg2, arg3);
1410
        break;
1411
    case TARGET_NR_fcntl:
1412
        ret = get_errno(do_fcntl(arg1, arg2, arg3));
1413
        break;
1414
    case TARGET_NR_mpx:
1415
        goto unimplemented;
1416
    case TARGET_NR_setpgid:
1417
        ret = get_errno(setpgid(arg1, arg2));
1418
        break;
1419
    case TARGET_NR_ulimit:
1420
        goto unimplemented;
1421
    case TARGET_NR_oldolduname:
1422
        goto unimplemented;
1423
    case TARGET_NR_umask:
1424
        ret = get_errno(umask(arg1));
1425
        break;
1426
    case TARGET_NR_chroot:
1427
        ret = get_errno(chroot((const char *)arg1));
1428
        break;
1429
    case TARGET_NR_ustat:
1430
        goto unimplemented;
1431
    case TARGET_NR_dup2:
1432
        ret = get_errno(dup2(arg1, arg2));
1433
        break;
1434
    case TARGET_NR_getppid:
1435
        ret = get_errno(getppid());
1436
        break;
1437
    case TARGET_NR_getpgrp:
1438
        ret = get_errno(getpgrp());
1439
        break;
1440
    case TARGET_NR_setsid:
1441
        ret = get_errno(setsid());
1442
        break;
1443
    case TARGET_NR_sigaction:
1444
        {
1445
            struct target_old_sigaction *old_act = (void *)arg2;
1446
            struct target_old_sigaction *old_oact = (void *)arg3;
1447
            struct target_sigaction act, oact, *pact;
1448
            if (old_act) {
1449
                act._sa_handler = old_act->_sa_handler;
1450
                target_siginitset(&act.sa_mask, old_act->sa_mask);
1451
                act.sa_flags = old_act->sa_flags;
1452
                act.sa_restorer = old_act->sa_restorer;
1453
                pact = &act;
1454
            } else {
1455
                pact = NULL;
1456
            }
1457
            ret = get_errno(do_sigaction(arg1, pact, &oact));
1458
            if (!is_error(ret) && old_oact) {
1459
                old_oact->_sa_handler = oact._sa_handler;
1460
                old_oact->sa_mask = oact.sa_mask.sig[0];
1461
                old_oact->sa_flags = oact.sa_flags;
1462
                old_oact->sa_restorer = oact.sa_restorer;
1463
            }
1464
        }
1465
        break;
1466
    case TARGET_NR_rt_sigaction:
1467
        ret = get_errno(do_sigaction(arg1, (void *)arg2, (void *)arg3));
1468
        break;
1469
    case TARGET_NR_sgetmask:
1470
        {
1471
            sigset_t cur_set;
1472
            target_ulong target_set;
1473
            sigprocmask(0, NULL, &cur_set);
1474
            host_to_target_old_sigset(&target_set, &cur_set);
1475
            ret = target_set;
1476
        }
1477
        break;
1478
    case TARGET_NR_ssetmask:
1479
        {
1480
            sigset_t set, oset, cur_set;
1481
            target_ulong target_set = arg1;
1482
            sigprocmask(0, NULL, &cur_set);
1483
            target_to_host_old_sigset(&set, &target_set);
1484
            sigorset(&set, &set, &cur_set);
1485
            sigprocmask(SIG_SETMASK, &set, &oset);
1486
            host_to_target_old_sigset(&target_set, &oset);
1487
            ret = target_set;
1488
        }
1489
        break;
1490
    case TARGET_NR_sigprocmask:
1491
        {
1492
            int how = arg1;
1493
            sigset_t set, oldset, *set_ptr;
1494
            target_ulong *pset = (void *)arg2, *poldset = (void *)arg3;
1495
            
1496
            if (pset) {
1497
                switch(how) {
1498
                case TARGET_SIG_BLOCK:
1499
                    how = SIG_BLOCK;
1500
                    break;
1501
                case TARGET_SIG_UNBLOCK:
1502
                    how = SIG_UNBLOCK;
1503
                    break;
1504
                case TARGET_SIG_SETMASK:
1505
                    how = SIG_SETMASK;
1506
                    break;
1507
                default:
1508
                    ret = -EINVAL;
1509
                    goto fail;
1510
                }
1511
                target_to_host_old_sigset(&set, pset);
1512
                set_ptr = &set;
1513
            } else {
1514
                how = 0;
1515
                set_ptr = NULL;
1516
            }
1517
            ret = get_errno(sigprocmask(arg1, set_ptr, &oldset));
1518
            if (!is_error(ret) && poldset) {
1519
                host_to_target_old_sigset(poldset, &oldset);
1520
            }
1521
        }
1522
        break;
1523
    case TARGET_NR_rt_sigprocmask:
1524
        {
1525
            int how = arg1;
1526
            sigset_t set, oldset, *set_ptr;
1527
            target_sigset_t *pset = (void *)arg2;
1528
            target_sigset_t *poldset = (void *)arg3;
1529
            
1530
            if (pset) {
1531
                switch(how) {
1532
                case TARGET_SIG_BLOCK:
1533
                    how = SIG_BLOCK;
1534
                    break;
1535
                case TARGET_SIG_UNBLOCK:
1536
                    how = SIG_UNBLOCK;
1537
                    break;
1538
                case TARGET_SIG_SETMASK:
1539
                    how = SIG_SETMASK;
1540
                    break;
1541
                default:
1542
                    ret = -EINVAL;
1543
                    goto fail;
1544
                }
1545
                target_to_host_sigset(&set, pset);
1546
                set_ptr = &set;
1547
            } else {
1548
                how = 0;
1549
                set_ptr = NULL;
1550
            }
1551
            ret = get_errno(sigprocmask(how, set_ptr, &oldset));
1552
            if (!is_error(ret) && poldset) {
1553
                host_to_target_sigset(poldset, &oldset);
1554
            }
1555
        }
1556
        break;
1557
    case TARGET_NR_sigpending:
1558
        {
1559
            sigset_t set;
1560
            ret = get_errno(sigpending(&set));
1561
            if (!is_error(ret)) {
1562
                host_to_target_old_sigset((target_ulong *)arg1, &set);
1563
            }
1564
        }
1565
        break;
1566
    case TARGET_NR_rt_sigpending:
1567
        {
1568
            sigset_t set;
1569
            ret = get_errno(sigpending(&set));
1570
            if (!is_error(ret)) {
1571
                host_to_target_sigset((target_sigset_t *)arg1, &set);
1572
            }
1573
        }
1574
        break;
1575
    case TARGET_NR_sigsuspend:
1576
        {
1577
            sigset_t set;
1578
            target_to_host_old_sigset(&set, (target_ulong *)arg1);
1579
            ret = get_errno(sigsuspend(&set));
1580
        }
1581
        break;
1582
    case TARGET_NR_rt_sigsuspend:
1583
        {
1584
            sigset_t set;
1585
            target_to_host_sigset(&set, (target_sigset_t *)arg1);
1586
            ret = get_errno(sigsuspend(&set));
1587
        }
1588
        break;
1589
    case TARGET_NR_rt_sigtimedwait:
1590
        {
1591
            target_sigset_t *target_set = (void *)arg1;
1592
            target_siginfo_t *target_uinfo = (void *)arg2;
1593
            struct target_timespec *target_uts = (void *)arg3;
1594
            sigset_t set;
1595
            struct timespec uts, *puts;
1596
            siginfo_t uinfo;
1597
            
1598
            target_to_host_sigset(&set, target_set);
1599
            if (target_uts) {
1600
                puts = &uts;
1601
                puts->tv_sec = tswapl(target_uts->tv_sec);
1602
                puts->tv_nsec = tswapl(target_uts->tv_nsec);
1603
            } else {
1604
                puts = NULL;
1605
            }
1606
            ret = get_errno(sigtimedwait(&set, &uinfo, puts));
1607
            if (!is_error(ret) && target_uinfo) {
1608
                host_to_target_siginfo(target_uinfo, &uinfo);
1609
            }
1610
        }
1611
        break;
1612
    case TARGET_NR_rt_sigqueueinfo:
1613
        {
1614
            siginfo_t uinfo;
1615
            target_to_host_siginfo(&uinfo, (target_siginfo_t *)arg3);
1616
            ret = get_errno(sys_rt_sigqueueinfo(arg1, arg2, &uinfo));
1617
        }
1618
        break;
1619
    case TARGET_NR_sigreturn:
1620
        /* NOTE: ret is eax, so not transcoding must be done */
1621
        ret = do_sigreturn(cpu_env);
1622
        break;
1623
    case TARGET_NR_rt_sigreturn:
1624
        /* NOTE: ret is eax, so not transcoding must be done */
1625
        ret = do_rt_sigreturn(cpu_env);
1626
        break;
1627
    case TARGET_NR_setreuid:
1628
        ret = get_errno(setreuid(arg1, arg2));
1629
        break;
1630
    case TARGET_NR_setregid:
1631
        ret = get_errno(setregid(arg1, arg2));
1632
        break;
1633
    case TARGET_NR_sethostname:
1634
        ret = get_errno(sethostname((const char *)arg1, arg2));
1635
        break;
1636
    case TARGET_NR_setrlimit:
1637
        {
1638
            /* XXX: convert resource ? */
1639
            int resource = arg1;
1640
            struct target_rlimit *target_rlim = (void *)arg2;
1641
            struct rlimit rlim;
1642
            rlim.rlim_cur = tswapl(target_rlim->rlim_cur);
1643
            rlim.rlim_max = tswapl(target_rlim->rlim_max);
1644
            ret = get_errno(setrlimit(resource, &rlim));
1645
        }
1646
        break;
1647
    case TARGET_NR_getrlimit:
1648
        {
1649
            /* XXX: convert resource ? */
1650
            int resource = arg1;
1651
            struct target_rlimit *target_rlim = (void *)arg2;
1652
            struct rlimit rlim;
1653
            
1654
            ret = get_errno(getrlimit(resource, &rlim));
1655
            if (!is_error(ret)) {
1656
                target_rlim->rlim_cur = tswapl(rlim.rlim_cur);
1657
                target_rlim->rlim_max = tswapl(rlim.rlim_max);
1658
            }
1659
        }
1660
        break;
1661
    case TARGET_NR_getrusage:
1662
        {
1663
            struct rusage rusage;
1664
            struct target_rusage *target_rusage = (void *)arg2;
1665
            ret = get_errno(getrusage(arg1, &rusage));
1666
            if (!is_error(ret)) {
1667
                host_to_target_rusage(target_rusage, &rusage);
1668
            }
1669
        }
1670
        break;
1671
    case TARGET_NR_gettimeofday:
1672
        {
1673
            struct target_timeval *target_tv = (void *)arg1;
1674
            struct timeval tv;
1675
            ret = get_errno(gettimeofday(&tv, NULL));
1676
            if (!is_error(ret)) {
1677
                host_to_target_timeval(target_tv, &tv);
1678
            }
1679
        }
1680
        break;
1681
    case TARGET_NR_settimeofday:
1682
        {
1683
            struct target_timeval *target_tv = (void *)arg1;
1684
            struct timeval tv;
1685
            target_to_host_timeval(&tv, target_tv);
1686
            ret = get_errno(settimeofday(&tv, NULL));
1687
        }
1688
        break;
1689
    case TARGET_NR_getgroups:
1690
        {
1691
            int gidsetsize = arg1;
1692
            uint16_t *target_grouplist = (void *)arg2;
1693
            gid_t *grouplist;
1694
            int i;
1695

    
1696
            grouplist = alloca(gidsetsize * sizeof(gid_t));
1697
            ret = get_errno(getgroups(gidsetsize, grouplist));
1698
            if (!is_error(ret)) {
1699
                for(i = 0;i < gidsetsize; i++)
1700
                    target_grouplist[i] = tswap16(grouplist[i]);
1701
            }
1702
        }
1703
        break;
1704
    case TARGET_NR_setgroups:
1705
        {
1706
            int gidsetsize = arg1;
1707
            uint16_t *target_grouplist = (void *)arg2;
1708
            gid_t *grouplist;
1709
            int i;
1710

    
1711
            grouplist = alloca(gidsetsize * sizeof(gid_t));
1712
            for(i = 0;i < gidsetsize; i++)
1713
                grouplist[i] = tswap16(target_grouplist[i]);
1714
            ret = get_errno(setgroups(gidsetsize, grouplist));
1715
        }
1716
        break;
1717
    case TARGET_NR_select:
1718
        goto unimplemented;
1719
    case TARGET_NR_symlink:
1720
        ret = get_errno(symlink((const char *)arg1, (const char *)arg2));
1721
        break;
1722
    case TARGET_NR_oldlstat:
1723
        goto unimplemented;
1724
    case TARGET_NR_readlink:
1725
        ret = get_errno(readlink(path((const char *)arg1), (char *)arg2, arg3));
1726
        break;
1727
    case TARGET_NR_uselib:
1728
        goto unimplemented;
1729
    case TARGET_NR_swapon:
1730
        ret = get_errno(swapon((const char *)arg1, arg2));
1731
        break;
1732
    case TARGET_NR_reboot:
1733
        goto unimplemented;
1734
    case TARGET_NR_readdir:
1735
        goto unimplemented;
1736
#ifdef TARGET_I386
1737
    case TARGET_NR_mmap:
1738
        {
1739
            uint32_t v1, v2, v3, v4, v5, v6, *vptr;
1740
            vptr = (uint32_t *)arg1;
1741
            v1 = tswap32(vptr[0]);
1742
            v2 = tswap32(vptr[1]);
1743
            v3 = tswap32(vptr[2]);
1744
            v4 = tswap32(vptr[3]);
1745
            v5 = tswap32(vptr[4]);
1746
            v6 = tswap32(vptr[5]);
1747
            ret = get_errno(target_mmap(v1, v2, v3, v4, v5, v6));
1748
        }
1749
        break;
1750
#endif
1751
#ifdef TARGET_I386
1752
    case TARGET_NR_mmap2:
1753
#else
1754
    case TARGET_NR_mmap:
1755
#endif
1756
        ret = get_errno(target_mmap(arg1, arg2, arg3, arg4, arg5, 
1757
                                    arg6 << TARGET_PAGE_BITS));
1758
        break;
1759
    case TARGET_NR_munmap:
1760
        ret = get_errno(target_munmap(arg1, arg2));
1761
        break;
1762
    case TARGET_NR_mprotect:
1763
        ret = get_errno(target_mprotect(arg1, arg2, arg3));
1764
        break;
1765
    case TARGET_NR_mremap:
1766
        ret = get_errno(target_mremap(arg1, arg2, arg3, arg4, arg5));
1767
        break;
1768
    case TARGET_NR_msync:
1769
        ret = get_errno(msync((void *)arg1, arg2, arg3));
1770
        break;
1771
    case TARGET_NR_mlock:
1772
        ret = get_errno(mlock((void *)arg1, arg2));
1773
        break;
1774
    case TARGET_NR_munlock:
1775
        ret = get_errno(munlock((void *)arg1, arg2));
1776
        break;
1777
    case TARGET_NR_mlockall:
1778
        ret = get_errno(mlockall(arg1));
1779
        break;
1780
    case TARGET_NR_munlockall:
1781
        ret = get_errno(munlockall());
1782
        break;
1783
    case TARGET_NR_truncate:
1784
        ret = get_errno(truncate((const char *)arg1, arg2));
1785
        break;
1786
    case TARGET_NR_ftruncate:
1787
        ret = get_errno(ftruncate(arg1, arg2));
1788
        break;
1789
    case TARGET_NR_fchmod:
1790
        ret = get_errno(fchmod(arg1, arg2));
1791
        break;
1792
    case TARGET_NR_fchown:
1793
        ret = get_errno(fchown(arg1, arg2, arg3));
1794
        break;
1795
    case TARGET_NR_getpriority:
1796
        ret = get_errno(getpriority(arg1, arg2));
1797
        break;
1798
    case TARGET_NR_setpriority:
1799
        ret = get_errno(setpriority(arg1, arg2, arg3));
1800
        break;
1801
    case TARGET_NR_profil:
1802
        goto unimplemented;
1803
    case TARGET_NR_statfs:
1804
        stfs = (void *)arg2;
1805
        ret = get_errno(sys_statfs(path((const char *)arg1), stfs));
1806
    convert_statfs:
1807
        if (!is_error(ret)) {
1808
            tswap32s(&stfs->f_type);
1809
            tswap32s(&stfs->f_bsize);
1810
            tswap32s(&stfs->f_blocks);
1811
            tswap32s(&stfs->f_bfree);
1812
            tswap32s(&stfs->f_bavail);
1813
            tswap32s(&stfs->f_files);
1814
            tswap32s(&stfs->f_ffree);
1815
            tswap32s(&stfs->f_fsid.val[0]);
1816
            tswap32s(&stfs->f_fsid.val[1]);
1817
            tswap32s(&stfs->f_namelen);
1818
        }
1819
        break;
1820
    case TARGET_NR_fstatfs:
1821
        stfs = (void *)arg2;
1822
        ret = get_errno(sys_fstatfs(arg1, stfs));
1823
        goto convert_statfs;
1824
    case TARGET_NR_ioperm:
1825
        goto unimplemented;
1826
    case TARGET_NR_socketcall:
1827
        ret = do_socketcall(arg1, (int32_t *)arg2);
1828
        break;
1829
    case TARGET_NR_syslog:
1830
        goto unimplemented;
1831
    case TARGET_NR_setitimer:
1832
        {
1833
            struct target_itimerval *target_value = (void *)arg2;
1834
            struct target_itimerval *target_ovalue = (void *)arg3;
1835
            struct itimerval value, ovalue, *pvalue;
1836

    
1837
            if (target_value) {
1838
                pvalue = &value;
1839
                target_to_host_timeval(&pvalue->it_interval, 
1840
                                       &target_value->it_interval);
1841
                target_to_host_timeval(&pvalue->it_value, 
1842
                                       &target_value->it_value);
1843
            } else {
1844
                pvalue = NULL;
1845
            }
1846
            ret = get_errno(setitimer(arg1, pvalue, &ovalue));
1847
            if (!is_error(ret) && target_ovalue) {
1848
                host_to_target_timeval(&target_ovalue->it_interval, 
1849
                                       &ovalue.it_interval);
1850
                host_to_target_timeval(&target_ovalue->it_value, 
1851
                                       &ovalue.it_value);
1852
            }
1853
        }
1854
        break;
1855
    case TARGET_NR_getitimer:
1856
        {
1857
            struct target_itimerval *target_value = (void *)arg2;
1858
            struct itimerval value;
1859
            
1860
            ret = get_errno(getitimer(arg1, &value));
1861
            if (!is_error(ret) && target_value) {
1862
                host_to_target_timeval(&target_value->it_interval, 
1863
                                       &value.it_interval);
1864
                host_to_target_timeval(&target_value->it_value, 
1865
                                       &value.it_value);
1866
            }
1867
        }
1868
        break;
1869
    case TARGET_NR_stat:
1870
        ret = get_errno(stat(path((const char *)arg1), &st));
1871
        goto do_stat;
1872
    case TARGET_NR_lstat:
1873
        ret = get_errno(lstat(path((const char *)arg1), &st));
1874
        goto do_stat;
1875
    case TARGET_NR_fstat:
1876
        {
1877
            ret = get_errno(fstat(arg1, &st));
1878
        do_stat:
1879
            if (!is_error(ret)) {
1880
                struct target_stat *target_st = (void *)arg2;
1881
                target_st->st_dev = tswap16(st.st_dev);
1882
                target_st->st_ino = tswapl(st.st_ino);
1883
                target_st->st_mode = tswap16(st.st_mode);
1884
                target_st->st_nlink = tswap16(st.st_nlink);
1885
                target_st->st_uid = tswap16(st.st_uid);
1886
                target_st->st_gid = tswap16(st.st_gid);
1887
                target_st->st_rdev = tswap16(st.st_rdev);
1888
                target_st->st_size = tswapl(st.st_size);
1889
                target_st->st_blksize = tswapl(st.st_blksize);
1890
                target_st->st_blocks = tswapl(st.st_blocks);
1891
                target_st->target_st_atime = tswapl(st.st_atime);
1892
                target_st->target_st_mtime = tswapl(st.st_mtime);
1893
                target_st->target_st_ctime = tswapl(st.st_ctime);
1894
            }
1895
        }
1896
        break;
1897
    case TARGET_NR_olduname:
1898
        goto unimplemented;
1899
    case TARGET_NR_iopl:
1900
        goto unimplemented;
1901
    case TARGET_NR_vhangup:
1902
        ret = get_errno(vhangup());
1903
        break;
1904
    case TARGET_NR_idle:
1905
        goto unimplemented;
1906
    case TARGET_NR_wait4:
1907
        {
1908
            int status;
1909
            target_long *status_ptr = (void *)arg2;
1910
            struct rusage rusage, *rusage_ptr;
1911
            struct target_rusage *target_rusage = (void *)arg4;
1912
            if (target_rusage)
1913
                rusage_ptr = &rusage;
1914
            else
1915
                rusage_ptr = NULL;
1916
            ret = get_errno(wait4(arg1, &status, arg3, rusage_ptr));
1917
            if (!is_error(ret)) {
1918
                if (status_ptr)
1919
                    *status_ptr = tswap32(status);
1920
                if (target_rusage) {
1921
                    host_to_target_rusage(target_rusage, &rusage);
1922
                }
1923
            }
1924
        }
1925
        break;
1926
    case TARGET_NR_swapoff:
1927
        ret = get_errno(swapoff((const char *)arg1));
1928
        break;
1929
    case TARGET_NR_sysinfo:
1930
        goto unimplemented;
1931
    case TARGET_NR_ipc:
1932
        goto unimplemented;
1933
    case TARGET_NR_fsync:
1934
        ret = get_errno(fsync(arg1));
1935
        break;
1936
    case TARGET_NR_clone:
1937
        ret = get_errno(do_fork(cpu_env, arg1, arg2));
1938
        break;
1939
#ifdef __NR_exit_group
1940
        /* new thread calls */
1941
    case TARGET_NR_exit_group:
1942
        ret = get_errno(exit_group(arg1));
1943
        break;
1944
#endif
1945
    case TARGET_NR_setdomainname:
1946
        ret = get_errno(setdomainname((const char *)arg1, arg2));
1947
        break;
1948
    case TARGET_NR_uname:
1949
        /* no need to transcode because we use the linux syscall */
1950
        ret = get_errno(sys_uname((struct new_utsname *)arg1));
1951
        break;
1952
#ifdef TARGET_I386
1953
    case TARGET_NR_modify_ldt:
1954
        ret = get_errno(do_modify_ldt(cpu_env, arg1, (void *)arg2, arg3));
1955
        break;
1956
    case TARGET_NR_vm86old:
1957
        goto unimplemented;
1958
    case TARGET_NR_vm86:
1959
        ret = do_vm86(cpu_env, arg1, (void *)arg2);
1960
        break;
1961
#endif
1962
    case TARGET_NR_adjtimex:
1963
        goto unimplemented;
1964
    case TARGET_NR_create_module:
1965
    case TARGET_NR_init_module:
1966
    case TARGET_NR_delete_module:
1967
    case TARGET_NR_get_kernel_syms:
1968
        goto unimplemented;
1969
    case TARGET_NR_quotactl:
1970
        goto unimplemented;
1971
    case TARGET_NR_getpgid:
1972
        ret = get_errno(getpgid(arg1));
1973
        break;
1974
    case TARGET_NR_fchdir:
1975
        ret = get_errno(fchdir(arg1));
1976
        break;
1977
    case TARGET_NR_bdflush:
1978
        goto unimplemented;
1979
    case TARGET_NR_sysfs:
1980
        goto unimplemented;
1981
    case TARGET_NR_personality:
1982
        ret = get_errno(personality(arg1));
1983
        break;
1984
    case TARGET_NR_afs_syscall:
1985
        goto unimplemented;
1986
    case TARGET_NR_setfsuid:
1987
        ret = get_errno(setfsuid(arg1));
1988
        break;
1989
    case TARGET_NR_setfsgid:
1990
        ret = get_errno(setfsgid(arg1));
1991
        break;
1992
    case TARGET_NR__llseek:
1993
        {
1994
            int64_t res;
1995
            ret = get_errno(_llseek(arg1, arg2, arg3, &res, arg5));
1996
            *(int64_t *)arg4 = tswap64(res);
1997
        }
1998
        break;
1999
    case TARGET_NR_getdents:
2000
#if TARGET_LONG_SIZE != 4
2001
#error not supported
2002
#endif
2003
        {
2004
            struct dirent *dirp = (void *)arg2;
2005
            long count = arg3;
2006

    
2007
            ret = get_errno(sys_getdents(arg1, dirp, count));
2008
            if (!is_error(ret)) {
2009
                struct dirent *de;
2010
                int len = ret;
2011
                int reclen;
2012
                de = dirp;
2013
                while (len > 0) {
2014
                    reclen = de->d_reclen;
2015
                    if (reclen > len)
2016
                        break;
2017
                    de->d_reclen = tswap16(reclen);
2018
                    tswapls(&de->d_ino);
2019
                    tswapls(&de->d_off);
2020
                    de = (struct dirent *)((char *)de + reclen);
2021
                    len -= reclen;
2022
                }
2023
            }
2024
        }
2025
        break;
2026
    case TARGET_NR_getdents64:
2027
        {
2028
            struct dirent64 *dirp = (void *)arg2;
2029
            long count = arg3;
2030
            ret = get_errno(sys_getdents64(arg1, dirp, count));
2031
            if (!is_error(ret)) {
2032
                struct dirent64 *de;
2033
                int len = ret;
2034
                int reclen;
2035
                de = dirp;
2036
                while (len > 0) {
2037
                    reclen = de->d_reclen;
2038
                    if (reclen > len)
2039
                        break;
2040
                    de->d_reclen = tswap16(reclen);
2041
                    tswap64s(&de->d_ino);
2042
                    tswap64s(&de->d_off);
2043
                    de = (struct dirent64 *)((char *)de + reclen);
2044
                    len -= reclen;
2045
                }
2046
            }
2047
        }
2048
        break;
2049
    case TARGET_NR__newselect:
2050
        ret = do_select(arg1, (void *)arg2, (void *)arg3, (void *)arg4, 
2051
                        (void *)arg5);
2052
        break;
2053
    case TARGET_NR_poll:
2054
        {
2055
            struct target_pollfd *target_pfd = (void *)arg1;
2056
            unsigned int nfds = arg2;
2057
            int timeout = arg3;
2058
            struct pollfd *pfd;
2059
            unsigned int i;
2060

    
2061
            pfd = alloca(sizeof(struct pollfd) * nfds);
2062
            for(i = 0; i < nfds; i++) {
2063
                pfd[i].fd = tswap32(target_pfd[i].fd);
2064
                pfd[i].events = tswap16(target_pfd[i].events);
2065
            }
2066
            ret = get_errno(poll(pfd, nfds, timeout));
2067
            if (!is_error(ret)) {
2068
                for(i = 0; i < nfds; i++) {
2069
                    target_pfd[i].revents = tswap16(pfd[i].revents);
2070
                }
2071
            }
2072
        }
2073
        break;
2074
    case TARGET_NR_flock:
2075
        /* NOTE: the flock constant seems to be the same for every
2076
           Linux platform */
2077
        ret = get_errno(flock(arg1, arg2));
2078
        break;
2079
    case TARGET_NR_readv:
2080
        {
2081
            int count = arg3;
2082
            int i;
2083
            struct iovec *vec;
2084
            struct target_iovec *target_vec = (void *)arg2;
2085

    
2086
            vec = alloca(count * sizeof(struct iovec));
2087
            for(i = 0;i < count; i++) {
2088
                vec[i].iov_base = (void *)tswapl(target_vec[i].iov_base);
2089
                vec[i].iov_len = tswapl(target_vec[i].iov_len);
2090
            }
2091
            ret = get_errno(readv(arg1, vec, count));
2092
        }
2093
        break;
2094
    case TARGET_NR_writev:
2095
        {
2096
            int count = arg3;
2097
            int i;
2098
            struct iovec *vec;
2099
            struct target_iovec *target_vec = (void *)arg2;
2100

    
2101
            vec = alloca(count * sizeof(struct iovec));
2102
            for(i = 0;i < count; i++) {
2103
                vec[i].iov_base = (void *)tswapl(target_vec[i].iov_base);
2104
                vec[i].iov_len = tswapl(target_vec[i].iov_len);
2105
            }
2106
            ret = get_errno(writev(arg1, vec, count));
2107
        }
2108
        break;
2109
    case TARGET_NR_getsid:
2110
        ret = get_errno(getsid(arg1));
2111
        break;
2112
    case TARGET_NR_fdatasync:
2113
        ret = get_errno(fdatasync(arg1));
2114
        break;
2115
    case TARGET_NR__sysctl:
2116
        goto unimplemented;
2117
    case TARGET_NR_sched_setparam:
2118
        {
2119
            struct sched_param *target_schp = (void *)arg2;
2120
            struct sched_param schp;
2121
            schp.sched_priority = tswap32(target_schp->sched_priority);
2122
            ret = get_errno(sched_setparam(arg1, &schp));
2123
        }
2124
        break;
2125
    case TARGET_NR_sched_getparam:
2126
        {
2127
            struct sched_param *target_schp = (void *)arg2;
2128
            struct sched_param schp;
2129
            ret = get_errno(sched_getparam(arg1, &schp));
2130
            if (!is_error(ret)) {
2131
                target_schp->sched_priority = tswap32(schp.sched_priority);
2132
            }
2133
        }
2134
        break;
2135
    case TARGET_NR_sched_setscheduler:
2136
        {
2137
            struct sched_param *target_schp = (void *)arg3;
2138
            struct sched_param schp;
2139
            schp.sched_priority = tswap32(target_schp->sched_priority);
2140
            ret = get_errno(sched_setscheduler(arg1, arg2, &schp));
2141
        }
2142
        break;
2143
    case TARGET_NR_sched_getscheduler:
2144
        ret = get_errno(sched_getscheduler(arg1));
2145
        break;
2146
    case TARGET_NR_sched_yield:
2147
        ret = get_errno(sched_yield());
2148
        break;
2149
    case TARGET_NR_sched_get_priority_max:
2150
        ret = get_errno(sched_get_priority_max(arg1));
2151
        break;
2152
    case TARGET_NR_sched_get_priority_min:
2153
        ret = get_errno(sched_get_priority_min(arg1));
2154
        break;
2155
    case TARGET_NR_sched_rr_get_interval:
2156
        {
2157
            struct target_timespec *target_ts = (void *)arg2;
2158
            struct timespec ts;
2159
            ret = get_errno(sched_rr_get_interval(arg1, &ts));
2160
            if (!is_error(ret)) {
2161
                target_ts->tv_sec = tswapl(ts.tv_sec);
2162
                target_ts->tv_nsec = tswapl(ts.tv_nsec);
2163
            }
2164
        }
2165
        break;
2166
    case TARGET_NR_nanosleep:
2167
        {
2168
            struct target_timespec *target_req = (void *)arg1;
2169
            struct target_timespec *target_rem = (void *)arg2;
2170
            struct timespec req, rem;
2171
            req.tv_sec = tswapl(target_req->tv_sec);
2172
            req.tv_nsec = tswapl(target_req->tv_nsec);
2173
            ret = get_errno(nanosleep(&req, &rem));
2174
            if (target_rem) {
2175
                target_rem->tv_sec = tswapl(rem.tv_sec);
2176
                target_rem->tv_nsec = tswapl(rem.tv_nsec);
2177
            }
2178
        }
2179
        break;
2180
    case TARGET_NR_setresuid:
2181
        ret = get_errno(setresuid(low2highuid(arg1), 
2182
                                  low2highuid(arg2), 
2183
                                  low2highuid(arg3)));
2184
        break;
2185
    case TARGET_NR_getresuid:
2186
        {
2187
            int ruid, euid, suid;
2188
            ret = get_errno(getresuid(&ruid, &euid, &suid));
2189
            if (!is_error(ret)) {
2190
                *(uint16_t *)arg1 = tswap16(high2lowuid(ruid));
2191
                *(uint16_t *)arg2 = tswap16(high2lowuid(euid));
2192
                *(uint16_t *)arg3 = tswap16(high2lowuid(suid));
2193
            }
2194
        }
2195
        break;
2196
    case TARGET_NR_setresgid:
2197
        ret = get_errno(setresgid(low2highgid(arg1), 
2198
                                  low2highgid(arg2), 
2199
                                  low2highgid(arg3)));
2200
        break;
2201
    case TARGET_NR_getresgid:
2202
        {
2203
            int rgid, egid, sgid;
2204
            ret = get_errno(getresgid(&rgid, &egid, &sgid));
2205
            if (!is_error(ret)) {
2206
                *(uint16_t *)arg1 = high2lowgid(tswap16(rgid));
2207
                *(uint16_t *)arg2 = high2lowgid(tswap16(egid));
2208
                *(uint16_t *)arg3 = high2lowgid(tswap16(sgid));
2209
            }
2210
        }
2211
        break;
2212
    case TARGET_NR_query_module:
2213
        goto unimplemented;
2214
    case TARGET_NR_nfsservctl:
2215
        goto unimplemented;
2216
    case TARGET_NR_prctl:
2217
        goto unimplemented;
2218
    case TARGET_NR_pread:
2219
        page_unprotect_range((void *)arg2, arg3);
2220
        ret = get_errno(pread(arg1, (void *)arg2, arg3, arg4));
2221
        break;
2222
    case TARGET_NR_pwrite:
2223
        ret = get_errno(pwrite(arg1, (void *)arg2, arg3, arg4));
2224
        break;
2225
    case TARGET_NR_chown:
2226
        ret = get_errno(chown((const char *)arg1, arg2, arg3));
2227
        break;
2228
    case TARGET_NR_getcwd:
2229
        ret = get_errno(sys_getcwd1((char *)arg1, arg2));
2230
        break;
2231
    case TARGET_NR_capget:
2232
        goto unimplemented;
2233
    case TARGET_NR_capset:
2234
        goto unimplemented;
2235
    case TARGET_NR_sigaltstack:
2236
        goto unimplemented;
2237
    case TARGET_NR_sendfile:
2238
        goto unimplemented;
2239
    case TARGET_NR_getpmsg:
2240
        goto unimplemented;
2241
    case TARGET_NR_putpmsg:
2242
        goto unimplemented;
2243
    case TARGET_NR_vfork:
2244
        ret = get_errno(do_fork(cpu_env, CLONE_VFORK | CLONE_VM | SIGCHLD, 0));
2245
        break;
2246
    case TARGET_NR_ugetrlimit:
2247
    {
2248
        struct rlimit rlim;
2249
        ret = get_errno(getrlimit(arg1, &rlim));
2250
        if (!is_error(ret)) {
2251
            struct target_rlimit *target_rlim = (void *)arg2;
2252
            target_rlim->rlim_cur = tswapl(rlim.rlim_cur);
2253
            target_rlim->rlim_max = tswapl(rlim.rlim_max);
2254
        }
2255
        break;
2256
    }
2257
    case TARGET_NR_truncate64:
2258
        goto unimplemented;
2259
    case TARGET_NR_ftruncate64:
2260
        goto unimplemented;
2261
    case TARGET_NR_stat64:
2262
        ret = get_errno(stat(path((const char *)arg1), &st));
2263
        goto do_stat64;
2264
    case TARGET_NR_lstat64:
2265
        ret = get_errno(lstat(path((const char *)arg1), &st));
2266
        goto do_stat64;
2267
    case TARGET_NR_fstat64:
2268
        {
2269
            ret = get_errno(fstat(arg1, &st));
2270
        do_stat64:
2271
            if (!is_error(ret)) {
2272
                struct target_stat64 *target_st = (void *)arg2;
2273
                memset(target_st, 0, sizeof(struct target_stat64));
2274
                target_st->st_dev = tswap16(st.st_dev);
2275
                target_st->st_ino = tswap64(st.st_ino);
2276
#ifdef TARGET_STAT64_HAS_BROKEN_ST_INO
2277
                target_st->__st_ino = tswapl(st.st_ino);
2278
#endif
2279
                target_st->st_mode = tswap32(st.st_mode);
2280
                target_st->st_nlink = tswap32(st.st_nlink);
2281
                target_st->st_uid = tswapl(st.st_uid);
2282
                target_st->st_gid = tswapl(st.st_gid);
2283
                target_st->st_rdev = tswap16(st.st_rdev);
2284
                /* XXX: better use of kernel struct */
2285
                target_st->st_size = tswap64(st.st_size);
2286
                target_st->st_blksize = tswapl(st.st_blksize);
2287
                target_st->st_blocks = tswapl(st.st_blocks);
2288
                target_st->target_st_atime = tswapl(st.st_atime);
2289
                target_st->target_st_mtime = tswapl(st.st_mtime);
2290
                target_st->target_st_ctime = tswapl(st.st_ctime);
2291
            }
2292
        }
2293
        break;
2294

    
2295
    case TARGET_NR_lchown32:
2296
        ret = get_errno(lchown((const char *)arg1, arg2, arg3));
2297
        break;
2298
    case TARGET_NR_getuid32:
2299
        ret = get_errno(getuid());
2300
        break;
2301
    case TARGET_NR_getgid32:
2302
        ret = get_errno(getgid());
2303
        break;
2304
    case TARGET_NR_geteuid32:
2305
        ret = get_errno(geteuid());
2306
        break;
2307
    case TARGET_NR_getegid32:
2308
        ret = get_errno(getegid());
2309
        break;
2310
    case TARGET_NR_setreuid32:
2311
        ret = get_errno(setreuid(arg1, arg2));
2312
        break;
2313
    case TARGET_NR_setregid32:
2314
        ret = get_errno(setregid(arg1, arg2));
2315
        break;
2316
    case TARGET_NR_getgroups32:
2317
        goto unimplemented;
2318
    case TARGET_NR_setgroups32:
2319
        goto unimplemented;
2320
    case TARGET_NR_fchown32:
2321
        ret = get_errno(fchown(arg1, arg2, arg3));
2322
        break;
2323
    case TARGET_NR_setresuid32:
2324
        ret = get_errno(setresuid(arg1, arg2, arg3));
2325
        break;
2326
    case TARGET_NR_getresuid32:
2327
        {
2328
            int ruid, euid, suid;
2329
            ret = get_errno(getresuid(&ruid, &euid, &suid));
2330
            if (!is_error(ret)) {
2331
                *(uint32_t *)arg1 = tswap32(ruid);
2332
                *(uint32_t *)arg2 = tswap32(euid);
2333
                *(uint32_t *)arg3 = tswap32(suid);
2334
            }
2335
        }
2336
        break;
2337
    case TARGET_NR_setresgid32:
2338
        ret = get_errno(setresgid(arg1, arg2, arg3));
2339
        break;
2340
    case TARGET_NR_getresgid32:
2341
        {
2342
            int rgid, egid, sgid;
2343
            ret = get_errno(getresgid(&rgid, &egid, &sgid));
2344
            if (!is_error(ret)) {
2345
                *(uint32_t *)arg1 = tswap32(rgid);
2346
                *(uint32_t *)arg2 = tswap32(egid);
2347
                *(uint32_t *)arg3 = tswap32(sgid);
2348
            }
2349
        }
2350
        break;
2351
    case TARGET_NR_chown32:
2352
        ret = get_errno(chown((const char *)arg1, arg2, arg3));
2353
        break;
2354
    case TARGET_NR_setuid32:
2355
        ret = get_errno(setuid(arg1));
2356
        break;
2357
    case TARGET_NR_setgid32:
2358
        ret = get_errno(setgid(arg1));
2359
        break;
2360
    case TARGET_NR_setfsuid32:
2361
        ret = get_errno(setfsuid(arg1));
2362
        break;
2363
    case TARGET_NR_setfsgid32:
2364
        ret = get_errno(setfsgid(arg1));
2365
        break;
2366
    case TARGET_NR_pivot_root:
2367
        goto unimplemented;
2368
    case TARGET_NR_mincore:
2369
        goto unimplemented;
2370
    case TARGET_NR_madvise:
2371
        goto unimplemented;
2372
#if TARGET_LONG_BITS == 32
2373
    case TARGET_NR_fcntl64:
2374
    {
2375
        struct flock64 fl;
2376
        struct target_flock64 *target_fl = (void *)arg3;
2377

    
2378
        switch(arg2) {
2379
        case F_GETLK64:
2380
            ret = get_errno(fcntl(arg1, arg2, &fl));
2381
            if (ret == 0) {
2382
                target_fl->l_type = tswap16(fl.l_type);
2383
                target_fl->l_whence = tswap16(fl.l_whence);
2384
                target_fl->l_start = tswap64(fl.l_start);
2385
                target_fl->l_len = tswap64(fl.l_len);
2386
                target_fl->l_pid = tswapl(fl.l_pid);
2387
            }
2388
            break;
2389

    
2390
        case F_SETLK64:
2391
        case F_SETLKW64:
2392
            fl.l_type = tswap16(target_fl->l_type);
2393
            fl.l_whence = tswap16(target_fl->l_whence);
2394
            fl.l_start = tswap64(target_fl->l_start);
2395
            fl.l_len = tswap64(target_fl->l_len);
2396
            fl.l_pid = tswapl(target_fl->l_pid);
2397
            ret = get_errno(fcntl(arg1, arg2, &fl));
2398
            break;
2399
        default:
2400
            ret = get_errno(do_fcntl(arg1, arg2, arg3));
2401
            break;
2402
        }
2403
        break;
2404
    }
2405
#endif
2406
    case TARGET_NR_security:
2407
        goto unimplemented;
2408
    case TARGET_NR_gettid:
2409
        ret = get_errno(gettid());
2410
        break;
2411
    case TARGET_NR_readahead:
2412
        goto unimplemented;
2413
    case TARGET_NR_setxattr:
2414
    case TARGET_NR_lsetxattr:
2415
    case TARGET_NR_fsetxattr:
2416
    case TARGET_NR_getxattr:
2417
    case TARGET_NR_lgetxattr:
2418
    case TARGET_NR_fgetxattr:
2419
    case TARGET_NR_listxattr:
2420
    case TARGET_NR_llistxattr:
2421
    case TARGET_NR_flistxattr:
2422
    case TARGET_NR_removexattr:
2423
    case TARGET_NR_lremovexattr:
2424
    case TARGET_NR_fremovexattr:
2425
        goto unimplemented_nowarn;
2426
    case TARGET_NR_set_thread_area:
2427
    case TARGET_NR_get_thread_area:
2428
        goto unimplemented_nowarn;
2429
    default:
2430
    unimplemented:
2431
        gemu_log("qemu: Unsupported syscall: %d\n", num);
2432
    unimplemented_nowarn:
2433
        ret = -ENOSYS;
2434
        break;
2435
    }
2436
 fail:
2437
    return ret;
2438
}
2439