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1
/*
2
 *  Linux syscalls
3
 * 
4
 *  Copyright (c) 2003 Fabrice Bellard
5
 *
6
 *  This program is free software; you can redistribute it and/or modify
7
 *  it under the terms of the GNU General Public License as published by
8
 *  the Free Software Foundation; either version 2 of the License, or
9
 *  (at your option) any later version.
10
 *
11
 *  This program is distributed in the hope that it will be useful,
12
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
13
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14
 *  GNU General Public License for more details.
15
 *
16
 *  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>
22
#include <stdarg.h>
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#include <string.h>
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#include <elf.h>
25
#include <endian.h>
26
#include <errno.h>
27
#include <unistd.h>
28
#include <fcntl.h>
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#include <time.h>
30
#include <sys/types.h>
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#include <sys/wait.h>
32
#include <sys/time.h>
33
#include <sys/stat.h>
34
#include <sys/mount.h>
35
#include <sys/resource.h>
36
#include <sys/mman.h>
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#include <sys/swap.h>
38
#include <signal.h>
39
#include <sched.h>
40
#include <sys/socket.h>
41
#include <sys/uio.h>
42
#include <sys/poll.h>
43
#include <sys/times.h>
44
//#include <sys/user.h>
45
#include <netinet/tcp.h>
46

    
47
#define termios host_termios
48
#define winsize host_winsize
49
#define termio host_termio
50
#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>
55
#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>
68
#define        VFAT_IOCTL_READDIR_BOTH                _IOR('r', 1, struct dirent [2])
69
#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
79
#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 target_to_host_timeval(struct timeval *tv, 
219
                                          const struct target_timeval *target_tv)
220
{
221
    tv->tv_sec = tswapl(target_tv->tv_sec);
222
    tv->tv_usec = tswapl(target_tv->tv_usec);
223
}
224

    
225
static inline void host_to_target_timeval(struct target_timeval *target_tv, 
226
                                          const struct timeval *tv)
227
{
228
    target_tv->tv_sec = tswapl(tv->tv_sec);
229
    target_tv->tv_usec = tswapl(tv->tv_usec);
230
}
231

    
232

    
233
static long do_select(long n, 
234
                      target_long *target_rfds, target_long *target_wfds, 
235
                      target_long *target_efds, struct target_timeval *target_tv)
236
{
237
    fd_set rfds, wfds, efds;
238
    fd_set *rfds_ptr, *wfds_ptr, *efds_ptr;
239
    struct timeval tv, *tv_ptr;
240
    long ret;
241

    
242
    rfds_ptr = target_to_host_fds(&rfds, target_rfds, n);
243
    wfds_ptr = target_to_host_fds(&wfds, target_wfds, n);
244
    efds_ptr = target_to_host_fds(&efds, target_efds, n);
245
            
246
    if (target_tv) {
247
        target_to_host_timeval(&tv, target_tv);
248
        tv_ptr = &tv;
249
    } else {
250
        tv_ptr = NULL;
251
    }
252
    ret = get_errno(select(n, rfds_ptr, wfds_ptr, efds_ptr, tv_ptr));
253
    if (!is_error(ret)) {
254
        host_to_target_fds(target_rfds, rfds_ptr, n);
255
        host_to_target_fds(target_wfds, wfds_ptr, n);
256
        host_to_target_fds(target_efds, efds_ptr, n);
257

    
258
        if (target_tv) {
259
            host_to_target_timeval(target_tv, &tv);
260
        }
261
    }
262
    return ret;
263
}
264

    
265
static inline void target_to_host_sockaddr(struct sockaddr *addr,
266
                                           struct target_sockaddr *target_addr,
267
                                           socklen_t len)
268
{
269
    memcpy(addr, target_addr, len);
270
    addr->sa_family = tswap16(target_addr->sa_family);
271
}
272

    
273
static inline void host_to_target_sockaddr(struct target_sockaddr *target_addr,
274
                                           struct sockaddr *addr,
275
                                           socklen_t len)
276
{
277
    memcpy(target_addr, addr, len);
278
    target_addr->sa_family = tswap16(addr->sa_family);
279
}
280

    
281
static inline void target_to_host_cmsg(struct msghdr *msgh,
282
                                       struct target_msghdr *target_msgh)
283
{
284
    struct cmsghdr *cmsg = CMSG_FIRSTHDR(msgh);
285
    struct target_cmsghdr *target_cmsg = TARGET_CMSG_FIRSTHDR(target_msgh);
286
    socklen_t space = 0;
287

    
288
    while (cmsg && target_cmsg) {
289
        void *data = CMSG_DATA(cmsg);
290
        void *target_data = TARGET_CMSG_DATA(target_cmsg);
291

    
292
        int len = tswapl(target_cmsg->cmsg_len) 
293
                  - TARGET_CMSG_ALIGN(sizeof (struct target_cmsghdr));
294

    
295
        space += CMSG_SPACE(len);
296
        if (space > msgh->msg_controllen) {
297
            space -= CMSG_SPACE(len);
298
            gemu_log("Host cmsg overflow");
299
            break;
300
        }
301

    
302
        cmsg->cmsg_level = tswap32(target_cmsg->cmsg_level);
303
        cmsg->cmsg_type = tswap32(target_cmsg->cmsg_type);
304
        cmsg->cmsg_len = CMSG_LEN(len);
305

    
306
        if (cmsg->cmsg_level != SOL_SOCKET || cmsg->cmsg_type != SCM_RIGHTS) {
307
            gemu_log("Unsupported ancillary data: %d/%d\n", cmsg->cmsg_level, cmsg->cmsg_type);
308
            memcpy(data, target_data, len);
309
        } else {
310
            int *fd = (int *)data;
311
            int *target_fd = (int *)target_data;
312
            int i, numfds = len / sizeof(int);
313

    
314
            for (i = 0; i < numfds; i++)
315
                fd[i] = tswap32(target_fd[i]);
316
        }
317

    
318
        cmsg = CMSG_NXTHDR(msgh, cmsg);
319
        target_cmsg = TARGET_CMSG_NXTHDR(target_msgh, target_cmsg);
320
    }
321

    
322
    msgh->msg_controllen = space;
323
}
324

    
325
static inline void host_to_target_cmsg(struct target_msghdr *target_msgh,
326
                                       struct msghdr *msgh)
327
{
328
    struct cmsghdr *cmsg = CMSG_FIRSTHDR(msgh);
329
    struct target_cmsghdr *target_cmsg = TARGET_CMSG_FIRSTHDR(target_msgh);
330
    socklen_t space = 0;
331

    
332
    while (cmsg && target_cmsg) {
333
        void *data = CMSG_DATA(cmsg);
334
        void *target_data = TARGET_CMSG_DATA(target_cmsg);
335

    
336
        int len = cmsg->cmsg_len - CMSG_ALIGN(sizeof (struct cmsghdr));
337

    
338
        space += TARGET_CMSG_SPACE(len);
339
        if (space > tswapl(target_msgh->msg_controllen)) {
340
            space -= TARGET_CMSG_SPACE(len);
341
            gemu_log("Target cmsg overflow");
342
            break;
343
        }
344

    
345
        target_cmsg->cmsg_level = tswap32(cmsg->cmsg_level);
346
        target_cmsg->cmsg_type = tswap32(cmsg->cmsg_type);
347
        target_cmsg->cmsg_len = tswapl(TARGET_CMSG_LEN(len));
348

    
349
        if (cmsg->cmsg_level != SOL_SOCKET || cmsg->cmsg_type != SCM_RIGHTS) {
350
            gemu_log("Unsupported ancillary data: %d/%d\n", cmsg->cmsg_level, cmsg->cmsg_type);
351
            memcpy(target_data, data, len);
352
        } else {
353
            int *fd = (int *)data;
354
            int *target_fd = (int *)target_data;
355
            int i, numfds = len / sizeof(int);
356

    
357
            for (i = 0; i < numfds; i++)
358
                target_fd[i] = tswap32(fd[i]);
359
        }
360

    
361
        cmsg = CMSG_NXTHDR(msgh, cmsg);
362
        target_cmsg = TARGET_CMSG_NXTHDR(target_msgh, target_cmsg);
363
    }
364

    
365
    msgh->msg_controllen = tswapl(space);
366
}
367

    
368
static long do_setsockopt(int sockfd, int level, int optname, 
369
                          void *optval, socklen_t optlen)
370
{
371
    if (level == SOL_TCP) {
372
        /* TCP options all take an 'int' value.  */
373
        int val;
374

    
375
        if (optlen < sizeof(uint32_t))
376
            return -EINVAL;
377

    
378
        val = tswap32(*(uint32_t *)optval);
379
        return get_errno(setsockopt(sockfd, level, optname, &val, sizeof(val)));
380
    }
381

    
382
    else if (level != SOL_SOCKET) {
383
        gemu_log("Unsupported setsockopt level: %d\n", level);
384
        return -ENOSYS;
385
    }
386

    
387
    switch (optname) {
388
    /* Options with 'int' argument.  */
389
    case SO_DEBUG:
390
    case SO_REUSEADDR:
391
    case SO_TYPE:
392
    case SO_ERROR:
393
    case SO_DONTROUTE:
394
    case SO_BROADCAST:
395
    case SO_SNDBUF:
396
    case SO_RCVBUF:
397
    case SO_KEEPALIVE:
398
    case SO_OOBINLINE:
399
    case SO_NO_CHECK:
400
    case SO_PRIORITY:
401
    case SO_BSDCOMPAT:
402
    case SO_PASSCRED:
403
    case SO_TIMESTAMP:
404
    case SO_RCVLOWAT:
405
    case SO_RCVTIMEO:
406
    case SO_SNDTIMEO:
407
    {
408
        int val;
409
        if (optlen < sizeof(uint32_t))
410
            return -EINVAL;
411
        val = tswap32(*(uint32_t *)optval);
412
        return get_errno(setsockopt(sockfd, level, optname, &val, sizeof(val)));
413
    }
414

    
415
    default:
416
        gemu_log("Unsupported setsockopt SOL_SOCKET option: %d\n", optname);
417
        return -ENOSYS;
418
    }
419
}
420

    
421
static long do_getsockopt(int sockfd, int level, int optname, 
422
                          void *optval, socklen_t *optlen)
423
{
424
    gemu_log("getsockopt not yet supported\n");
425
    return -ENOSYS;
426
}
427

    
428
static long do_socketcall(int num, int32_t *vptr)
429
{
430
    long ret;
431

    
432
    switch(num) {
433
    case SOCKOP_socket:
434
        {
435
            int domain = tswap32(vptr[0]);
436
            int type = tswap32(vptr[1]);
437
            int protocol = tswap32(vptr[2]);
438

    
439
            ret = get_errno(socket(domain, type, protocol));
440
        }
441
        break;
442
    case SOCKOP_bind:
443
        {
444
            int sockfd = tswap32(vptr[0]);
445
            void *target_addr = (void *)tswap32(vptr[1]);
446
            socklen_t addrlen = tswap32(vptr[2]);
447
            void *addr = alloca(addrlen);
448

    
449
            target_to_host_sockaddr(addr, target_addr, addrlen);
450
            ret = get_errno(bind(sockfd, addr, addrlen));
451
        }
452
        break;
453
    case SOCKOP_connect:
454
        {
455
            int sockfd = tswap32(vptr[0]);
456
            void *target_addr = (void *)tswap32(vptr[1]);
457
            socklen_t addrlen = tswap32(vptr[2]);
458
            void *addr = alloca(addrlen);
459

    
460
            target_to_host_sockaddr(addr, target_addr, addrlen);
461
            ret = get_errno(connect(sockfd, addr, addrlen));
462
        }
463
        break;
464
    case SOCKOP_listen:
465
        {
466
            int sockfd = tswap32(vptr[0]);
467
            int backlog = tswap32(vptr[1]);
468

    
469
            ret = get_errno(listen(sockfd, backlog));
470
        }
471
        break;
472
    case SOCKOP_accept:
473
        {
474
            int sockfd = tswap32(vptr[0]);
475
            void *target_addr = (void *)tswap32(vptr[1]);
476
            uint32_t *target_addrlen = (void *)tswap32(vptr[2]);
477
            socklen_t addrlen = tswap32(*target_addrlen);
478
            void *addr = alloca(addrlen);
479

    
480
            ret = get_errno(accept(sockfd, addr, &addrlen));
481
            if (!is_error(ret)) {
482
                host_to_target_sockaddr(target_addr, addr, addrlen);
483
                *target_addrlen = tswap32(addrlen);
484
            }
485
        }
486
        break;
487
    case SOCKOP_getsockname:
488
        {
489
            int sockfd = tswap32(vptr[0]);
490
            void *target_addr = (void *)tswap32(vptr[1]);
491
            uint32_t *target_addrlen = (void *)tswap32(vptr[2]);
492
            socklen_t addrlen = tswap32(*target_addrlen);
493
            void *addr = alloca(addrlen);
494

    
495
            ret = get_errno(getsockname(sockfd, addr, &addrlen));
496
            if (!is_error(ret)) {
497
                host_to_target_sockaddr(target_addr, addr, addrlen);
498
                *target_addrlen = tswap32(addrlen);
499
            }
500
        }
501
        break;
502
    case SOCKOP_getpeername:
503
        {
504
            int sockfd = tswap32(vptr[0]);
505
            void *target_addr = (void *)tswap32(vptr[1]);
506
            uint32_t *target_addrlen = (void *)tswap32(vptr[2]);
507
            socklen_t addrlen = tswap32(*target_addrlen);
508
            void *addr = alloca(addrlen);
509

    
510
            ret = get_errno(getpeername(sockfd, addr, &addrlen));
511
            if (!is_error(ret)) {
512
                host_to_target_sockaddr(target_addr, addr, addrlen);
513
                *target_addrlen = tswap32(addrlen);
514
            }
515
        }
516
        break;
517
    case SOCKOP_socketpair:
518
        {
519
            int domain = tswap32(vptr[0]);
520
            int type = tswap32(vptr[1]);
521
            int protocol = tswap32(vptr[2]);
522
            int32_t *target_tab = (void *)tswap32(vptr[3]);
523
            int tab[2];
524

    
525
            ret = get_errno(socketpair(domain, type, protocol, tab));
526
            if (!is_error(ret)) {
527
                target_tab[0] = tswap32(tab[0]);
528
                target_tab[1] = tswap32(tab[1]);
529
            }
530
        }
531
        break;
532
    case SOCKOP_send:
533
        {
534
            int sockfd = tswap32(vptr[0]);
535
            void *msg = (void *)tswap32(vptr[1]);
536
            size_t len = tswap32(vptr[2]);
537
            int flags = tswap32(vptr[3]);
538

    
539
            ret = get_errno(send(sockfd, msg, len, flags));
540
        }
541
        break;
542
    case SOCKOP_recv:
543
        {
544
            int sockfd = tswap32(vptr[0]);
545
            void *msg = (void *)tswap32(vptr[1]);
546
            size_t len = tswap32(vptr[2]);
547
            int flags = tswap32(vptr[3]);
548

    
549
            ret = get_errno(recv(sockfd, msg, len, flags));
550
        }
551
        break;
552
    case SOCKOP_sendto:
553
        {
554
            int sockfd = tswap32(vptr[0]);
555
            void *msg = (void *)tswap32(vptr[1]);
556
            size_t len = tswap32(vptr[2]);
557
            int flags = tswap32(vptr[3]);
558
            void *target_addr = (void *)tswap32(vptr[4]);
559
            socklen_t addrlen = tswap32(vptr[5]);
560
            void *addr = alloca(addrlen);
561

    
562
            target_to_host_sockaddr(addr, target_addr, addrlen);
563
            ret = get_errno(sendto(sockfd, msg, len, flags, addr, addrlen));
564
        }
565
        break;
566
    case SOCKOP_recvfrom:
567
        {
568
            int sockfd = tswap32(vptr[0]);
569
            void *msg = (void *)tswap32(vptr[1]);
570
            size_t len = tswap32(vptr[2]);
571
            int flags = tswap32(vptr[3]);
572
            void *target_addr = (void *)tswap32(vptr[4]);
573
            uint32_t *target_addrlen = (void *)tswap32(vptr[5]);
574
            socklen_t addrlen = tswap32(*target_addrlen);
575
            void *addr = alloca(addrlen);
576

    
577
            ret = get_errno(recvfrom(sockfd, msg, len, flags, addr, &addrlen));
578
            if (!is_error(ret)) {
579
                host_to_target_sockaddr(target_addr, addr, addrlen);
580
                *target_addrlen = tswap32(addrlen);
581
            }
582
        }
583
        break;
584
    case SOCKOP_shutdown:
585
        {
586
            int sockfd = tswap32(vptr[0]);
587
            int how = tswap32(vptr[1]);
588

    
589
            ret = get_errno(shutdown(sockfd, how));
590
        }
591
        break;
592
    case SOCKOP_sendmsg:
593
    case SOCKOP_recvmsg:
594
        {
595
            int fd;
596
            struct target_msghdr *msgp;
597
            struct msghdr msg;
598
            int flags, count, i;
599
            struct iovec *vec;
600
            struct target_iovec *target_vec;
601

    
602
            msgp = (void *)tswap32(vptr[1]);
603
            msg.msg_name = (void *)tswapl(msgp->msg_name);
604
            msg.msg_namelen = tswapl(msgp->msg_namelen);
605
            msg.msg_controllen = 2 * tswapl(msgp->msg_controllen);
606
            msg.msg_control = alloca(msg.msg_controllen);
607
            msg.msg_flags = tswap32(msgp->msg_flags);
608

    
609
            count = tswapl(msgp->msg_iovlen);
610
            vec = alloca(count * sizeof(struct iovec));
611
            target_vec = (void *)tswapl(msgp->msg_iov);
612
            for(i = 0;i < count; i++) {
613
                vec[i].iov_base = (void *)tswapl(target_vec[i].iov_base);
614
                vec[i].iov_len = tswapl(target_vec[i].iov_len);
615
            }
616
            msg.msg_iovlen = count;
617
            msg.msg_iov = vec;
618

    
619
            fd = tswap32(vptr[0]);
620
            flags = tswap32(vptr[2]);
621
            if (num == SOCKOP_sendmsg) {
622
                target_to_host_cmsg(&msg, msgp);
623
                ret = get_errno(sendmsg(fd, &msg, flags));
624
            } else {
625
                ret = get_errno(recvmsg(fd, &msg, flags));
626
                if (!is_error(ret))
627
                  host_to_target_cmsg(msgp, &msg);
628
            }
629
        }
630
        break;
631
    case SOCKOP_setsockopt:
632
        {
633
            int sockfd = tswap32(vptr[0]);
634
            int level = tswap32(vptr[1]);
635
            int optname = tswap32(vptr[2]);
636
            void *optval = (void *)tswap32(vptr[3]);
637
            socklen_t optlen = tswap32(vptr[4]);
638

    
639
            ret = do_setsockopt(sockfd, level, optname, optval, optlen);
640
        }
641
        break;
642
    case SOCKOP_getsockopt:
643
        {
644
            int sockfd = tswap32(vptr[0]);
645
            int level = tswap32(vptr[1]);
646
            int optname = tswap32(vptr[2]);
647
            void *optval = (void *)tswap32(vptr[3]);
648
            uint32_t *target_len = (void *)tswap32(vptr[4]);
649
            socklen_t optlen = tswap32(*target_len);
650

    
651
            ret = do_getsockopt(sockfd, level, optname, optval, &optlen);
652
            if (!is_error(ret))
653
                *target_len = tswap32(optlen);
654
        }
655
        break;
656
    default:
657
        gemu_log("Unsupported socketcall: %d\n", num);
658
        ret = -ENOSYS;
659
        break;
660
    }
661
    return ret;
662
}
663

    
664
/* kernel structure types definitions */
665
#define IFNAMSIZ        16
666

    
667
#define STRUCT(name, list...) STRUCT_ ## name,
668
#define STRUCT_SPECIAL(name) STRUCT_ ## name,
669
enum {
670
#include "syscall_types.h"
671
};
672
#undef STRUCT
673
#undef STRUCT_SPECIAL
674

    
675
#define STRUCT(name, list...) const argtype struct_ ## name ## _def[] = { list, TYPE_NULL };
676
#define STRUCT_SPECIAL(name)
677
#include "syscall_types.h"
678
#undef STRUCT
679
#undef STRUCT_SPECIAL
680

    
681
typedef struct IOCTLEntry {
682
    int target_cmd;
683
    int host_cmd;
684
    const char *name;
685
    int access;
686
    const argtype arg_type[5];
687
} IOCTLEntry;
688

    
689
#define IOC_R 0x0001
690
#define IOC_W 0x0002
691
#define IOC_RW (IOC_R | IOC_W)
692

    
693
#define MAX_STRUCT_SIZE 4096
694

    
695
const IOCTLEntry ioctl_entries[] = {
696
#define IOCTL(cmd, access, types...) \
697
    { TARGET_ ## cmd, cmd, #cmd, access, { types } },
698
#include "ioctls.h"
699
    { 0, 0, },
700
};
701

    
702
static long do_ioctl(long fd, long cmd, long arg)
703
{
704
    const IOCTLEntry *ie;
705
    const argtype *arg_type;
706
    long ret;
707
    uint8_t buf_temp[MAX_STRUCT_SIZE];
708

    
709
    ie = ioctl_entries;
710
    for(;;) {
711
        if (ie->target_cmd == 0) {
712
            gemu_log("Unsupported ioctl: cmd=0x%04lx\n", cmd);
713
            return -ENOSYS;
714
        }
715
        if (ie->target_cmd == cmd)
716
            break;
717
        ie++;
718
    }
719
    arg_type = ie->arg_type;
720
#if defined(DEBUG)
721
    gemu_log("ioctl: cmd=0x%04lx (%s)\n", cmd, ie->name);
722
#endif
723
    switch(arg_type[0]) {
724
    case TYPE_NULL:
725
        /* no argument */
726
        ret = get_errno(ioctl(fd, ie->host_cmd));
727
        break;
728
    case TYPE_PTRVOID:
729
    case TYPE_INT:
730
        /* int argment */
731
        ret = get_errno(ioctl(fd, ie->host_cmd, arg));
732
        break;
733
    case TYPE_PTR:
734
        arg_type++;
735
        switch(ie->access) {
736
        case IOC_R:
737
            ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp));
738
            if (!is_error(ret)) {
739
                thunk_convert((void *)arg, buf_temp, arg_type, THUNK_TARGET);
740
            }
741
            break;
742
        case IOC_W:
743
            thunk_convert(buf_temp, (void *)arg, arg_type, THUNK_HOST);
744
            ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp));
745
            break;
746
        default:
747
        case IOC_RW:
748
            thunk_convert(buf_temp, (void *)arg, arg_type, THUNK_HOST);
749
            ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp));
750
            if (!is_error(ret)) {
751
                thunk_convert((void *)arg, buf_temp, arg_type, THUNK_TARGET);
752
            }
753
            break;
754
        }
755
        break;
756
    default:
757
        gemu_log("Unsupported ioctl type: cmd=0x%04lx type=%d\n", cmd, arg_type[0]);
758
        ret = -ENOSYS;
759
        break;
760
    }
761
    return ret;
762
}
763

    
764
bitmask_transtbl iflag_tbl[] = {
765
        { TARGET_IGNBRK, TARGET_IGNBRK, IGNBRK, IGNBRK },
766
        { TARGET_BRKINT, TARGET_BRKINT, BRKINT, BRKINT },
767
        { TARGET_IGNPAR, TARGET_IGNPAR, IGNPAR, IGNPAR },
768
        { TARGET_PARMRK, TARGET_PARMRK, PARMRK, PARMRK },
769
        { TARGET_INPCK, TARGET_INPCK, INPCK, INPCK },
770
        { TARGET_ISTRIP, TARGET_ISTRIP, ISTRIP, ISTRIP },
771
        { TARGET_INLCR, TARGET_INLCR, INLCR, INLCR },
772
        { TARGET_IGNCR, TARGET_IGNCR, IGNCR, IGNCR },
773
        { TARGET_ICRNL, TARGET_ICRNL, ICRNL, ICRNL },
774
        { TARGET_IUCLC, TARGET_IUCLC, IUCLC, IUCLC },
775
        { TARGET_IXON, TARGET_IXON, IXON, IXON },
776
        { TARGET_IXANY, TARGET_IXANY, IXANY, IXANY },
777
        { TARGET_IXOFF, TARGET_IXOFF, IXOFF, IXOFF },
778
        { TARGET_IMAXBEL, TARGET_IMAXBEL, IMAXBEL, IMAXBEL },
779
        { 0, 0, 0, 0 }
780
};
781

    
782
bitmask_transtbl oflag_tbl[] = {
783
        { TARGET_OPOST, TARGET_OPOST, OPOST, OPOST },
784
        { TARGET_OLCUC, TARGET_OLCUC, OLCUC, OLCUC },
785
        { TARGET_ONLCR, TARGET_ONLCR, ONLCR, ONLCR },
786
        { TARGET_OCRNL, TARGET_OCRNL, OCRNL, OCRNL },
787
        { TARGET_ONOCR, TARGET_ONOCR, ONOCR, ONOCR },
788
        { TARGET_ONLRET, TARGET_ONLRET, ONLRET, ONLRET },
789
        { TARGET_OFILL, TARGET_OFILL, OFILL, OFILL },
790
        { TARGET_OFDEL, TARGET_OFDEL, OFDEL, OFDEL },
791
        { TARGET_NLDLY, TARGET_NL0, NLDLY, NL0 },
792
        { TARGET_NLDLY, TARGET_NL1, NLDLY, NL1 },
793
        { TARGET_CRDLY, TARGET_CR0, CRDLY, CR0 },
794
        { TARGET_CRDLY, TARGET_CR1, CRDLY, CR1 },
795
        { TARGET_CRDLY, TARGET_CR2, CRDLY, CR2 },
796
        { TARGET_CRDLY, TARGET_CR3, CRDLY, CR3 },
797
        { TARGET_TABDLY, TARGET_TAB0, TABDLY, TAB0 },
798
        { TARGET_TABDLY, TARGET_TAB1, TABDLY, TAB1 },
799
        { TARGET_TABDLY, TARGET_TAB2, TABDLY, TAB2 },
800
        { TARGET_TABDLY, TARGET_TAB3, TABDLY, TAB3 },
801
        { TARGET_BSDLY, TARGET_BS0, BSDLY, BS0 },
802
        { TARGET_BSDLY, TARGET_BS1, BSDLY, BS1 },
803
        { TARGET_VTDLY, TARGET_VT0, VTDLY, VT0 },
804
        { TARGET_VTDLY, TARGET_VT1, VTDLY, VT1 },
805
        { TARGET_FFDLY, TARGET_FF0, FFDLY, FF0 },
806
        { TARGET_FFDLY, TARGET_FF1, FFDLY, FF1 },
807
        { 0, 0, 0, 0 }
808
};
809

    
810
bitmask_transtbl cflag_tbl[] = {
811
        { TARGET_CBAUD, TARGET_B0, CBAUD, B0 },
812
        { TARGET_CBAUD, TARGET_B50, CBAUD, B50 },
813
        { TARGET_CBAUD, TARGET_B75, CBAUD, B75 },
814
        { TARGET_CBAUD, TARGET_B110, CBAUD, B110 },
815
        { TARGET_CBAUD, TARGET_B134, CBAUD, B134 },
816
        { TARGET_CBAUD, TARGET_B150, CBAUD, B150 },
817
        { TARGET_CBAUD, TARGET_B200, CBAUD, B200 },
818
        { TARGET_CBAUD, TARGET_B300, CBAUD, B300 },
819
        { TARGET_CBAUD, TARGET_B600, CBAUD, B600 },
820
        { TARGET_CBAUD, TARGET_B1200, CBAUD, B1200 },
821
        { TARGET_CBAUD, TARGET_B1800, CBAUD, B1800 },
822
        { TARGET_CBAUD, TARGET_B2400, CBAUD, B2400 },
823
        { TARGET_CBAUD, TARGET_B4800, CBAUD, B4800 },
824
        { TARGET_CBAUD, TARGET_B9600, CBAUD, B9600 },
825
        { TARGET_CBAUD, TARGET_B19200, CBAUD, B19200 },
826
        { TARGET_CBAUD, TARGET_B38400, CBAUD, B38400 },
827
        { TARGET_CBAUD, TARGET_B57600, CBAUD, B57600 },
828
        { TARGET_CBAUD, TARGET_B115200, CBAUD, B115200 },
829
        { TARGET_CBAUD, TARGET_B230400, CBAUD, B230400 },
830
        { TARGET_CBAUD, TARGET_B460800, CBAUD, B460800 },
831
        { TARGET_CSIZE, TARGET_CS5, CSIZE, CS5 },
832
        { TARGET_CSIZE, TARGET_CS6, CSIZE, CS6 },
833
        { TARGET_CSIZE, TARGET_CS7, CSIZE, CS7 },
834
        { TARGET_CSIZE, TARGET_CS8, CSIZE, CS8 },
835
        { TARGET_CSTOPB, TARGET_CSTOPB, CSTOPB, CSTOPB },
836
        { TARGET_CREAD, TARGET_CREAD, CREAD, CREAD },
837
        { TARGET_PARENB, TARGET_PARENB, PARENB, PARENB },
838
        { TARGET_PARODD, TARGET_PARODD, PARODD, PARODD },
839
        { TARGET_HUPCL, TARGET_HUPCL, HUPCL, HUPCL },
840
        { TARGET_CLOCAL, TARGET_CLOCAL, CLOCAL, CLOCAL },
841
        { TARGET_CRTSCTS, TARGET_CRTSCTS, CRTSCTS, CRTSCTS },
842
        { 0, 0, 0, 0 }
843
};
844

    
845
bitmask_transtbl lflag_tbl[] = {
846
        { TARGET_ISIG, TARGET_ISIG, ISIG, ISIG },
847
        { TARGET_ICANON, TARGET_ICANON, ICANON, ICANON },
848
        { TARGET_XCASE, TARGET_XCASE, XCASE, XCASE },
849
        { TARGET_ECHO, TARGET_ECHO, ECHO, ECHO },
850
        { TARGET_ECHOE, TARGET_ECHOE, ECHOE, ECHOE },
851
        { TARGET_ECHOK, TARGET_ECHOK, ECHOK, ECHOK },
852
        { TARGET_ECHONL, TARGET_ECHONL, ECHONL, ECHONL },
853
        { TARGET_NOFLSH, TARGET_NOFLSH, NOFLSH, NOFLSH },
854
        { TARGET_TOSTOP, TARGET_TOSTOP, TOSTOP, TOSTOP },
855
        { TARGET_ECHOCTL, TARGET_ECHOCTL, ECHOCTL, ECHOCTL },
856
        { TARGET_ECHOPRT, TARGET_ECHOPRT, ECHOPRT, ECHOPRT },
857
        { TARGET_ECHOKE, TARGET_ECHOKE, ECHOKE, ECHOKE },
858
        { TARGET_FLUSHO, TARGET_FLUSHO, FLUSHO, FLUSHO },
859
        { TARGET_PENDIN, TARGET_PENDIN, PENDIN, PENDIN },
860
        { TARGET_IEXTEN, TARGET_IEXTEN, IEXTEN, IEXTEN },
861
        { 0, 0, 0, 0 }
862
};
863

    
864
static void target_to_host_termios (void *dst, const void *src)
865
{
866
    struct host_termios *host = dst;
867
    const struct target_termios *target = src;
868
    
869
    host->c_iflag = 
870
        target_to_host_bitmask(tswap32(target->c_iflag), iflag_tbl);
871
    host->c_oflag = 
872
        target_to_host_bitmask(tswap32(target->c_oflag), oflag_tbl);
873
    host->c_cflag = 
874
        target_to_host_bitmask(tswap32(target->c_cflag), cflag_tbl);
875
    host->c_lflag = 
876
        target_to_host_bitmask(tswap32(target->c_lflag), lflag_tbl);
877
    host->c_line = target->c_line;
878
    
879
    host->c_cc[VINTR] = target->c_cc[TARGET_VINTR]; 
880
    host->c_cc[VQUIT] = target->c_cc[TARGET_VQUIT]; 
881
    host->c_cc[VERASE] = target->c_cc[TARGET_VERASE];       
882
    host->c_cc[VKILL] = target->c_cc[TARGET_VKILL]; 
883
    host->c_cc[VEOF] = target->c_cc[TARGET_VEOF];   
884
    host->c_cc[VTIME] = target->c_cc[TARGET_VTIME]; 
885
    host->c_cc[VMIN] = target->c_cc[TARGET_VMIN];   
886
    host->c_cc[VSWTC] = target->c_cc[TARGET_VSWTC]; 
887
    host->c_cc[VSTART] = target->c_cc[TARGET_VSTART];       
888
    host->c_cc[VSTOP] = target->c_cc[TARGET_VSTOP]; 
889
    host->c_cc[VSUSP] = target->c_cc[TARGET_VSUSP]; 
890
    host->c_cc[VEOL] = target->c_cc[TARGET_VEOL];   
891
    host->c_cc[VREPRINT] = target->c_cc[TARGET_VREPRINT];   
892
    host->c_cc[VDISCARD] = target->c_cc[TARGET_VDISCARD];   
893
    host->c_cc[VWERASE] = target->c_cc[TARGET_VWERASE];     
894
    host->c_cc[VLNEXT] = target->c_cc[TARGET_VLNEXT];       
895
    host->c_cc[VEOL2] = target->c_cc[TARGET_VEOL2]; 
896
}
897
  
898
static void host_to_target_termios (void *dst, const void *src)
899
{
900
    struct target_termios *target = dst;
901
    const struct host_termios *host = src;
902

    
903
    target->c_iflag = 
904
        tswap32(host_to_target_bitmask(host->c_iflag, iflag_tbl));
905
    target->c_oflag = 
906
        tswap32(host_to_target_bitmask(host->c_oflag, oflag_tbl));
907
    target->c_cflag = 
908
        tswap32(host_to_target_bitmask(host->c_cflag, cflag_tbl));
909
    target->c_lflag = 
910
        tswap32(host_to_target_bitmask(host->c_lflag, lflag_tbl));
911
    target->c_line = host->c_line;
912
  
913
    target->c_cc[TARGET_VINTR] = host->c_cc[VINTR];
914
    target->c_cc[TARGET_VQUIT] = host->c_cc[VQUIT];
915
    target->c_cc[TARGET_VERASE] = host->c_cc[VERASE];
916
    target->c_cc[TARGET_VKILL] = host->c_cc[VKILL];
917
    target->c_cc[TARGET_VEOF] = host->c_cc[VEOF];
918
    target->c_cc[TARGET_VTIME] = host->c_cc[VTIME];
919
    target->c_cc[TARGET_VMIN] = host->c_cc[VMIN];
920
    target->c_cc[TARGET_VSWTC] = host->c_cc[VSWTC];
921
    target->c_cc[TARGET_VSTART] = host->c_cc[VSTART];
922
    target->c_cc[TARGET_VSTOP] = host->c_cc[VSTOP];
923
    target->c_cc[TARGET_VSUSP] = host->c_cc[VSUSP];
924
    target->c_cc[TARGET_VEOL] = host->c_cc[VEOL];
925
    target->c_cc[TARGET_VREPRINT] = host->c_cc[VREPRINT];
926
    target->c_cc[TARGET_VDISCARD] = host->c_cc[VDISCARD];
927
    target->c_cc[TARGET_VWERASE] = host->c_cc[VWERASE];
928
    target->c_cc[TARGET_VLNEXT] = host->c_cc[VLNEXT];
929
    target->c_cc[TARGET_VEOL2] = host->c_cc[VEOL2];
930
}
931

    
932
StructEntry struct_termios_def = {
933
    .convert = { host_to_target_termios, target_to_host_termios },
934
    .size = { sizeof(struct target_termios), sizeof(struct host_termios) },
935
    .align = { __alignof__(struct target_termios), __alignof__(struct host_termios) },
936
};
937

    
938
#ifdef TARGET_I386
939

    
940
/* NOTE: there is really one LDT for all the threads */
941
uint8_t *ldt_table;
942

    
943
static int read_ldt(void *ptr, unsigned long bytecount)
944
{
945
    int size;
946

    
947
    if (!ldt_table)
948
        return 0;
949
    size = TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE;
950
    if (size > bytecount)
951
        size = bytecount;
952
    memcpy(ptr, ldt_table, size);
953
    return size;
954
}
955

    
956
/* XXX: add locking support */
957
static int write_ldt(CPUX86State *env, 
958
                     void *ptr, unsigned long bytecount, int oldmode)
959
{
960
    struct target_modify_ldt_ldt_s ldt_info;
961
    int seg_32bit, contents, read_exec_only, limit_in_pages;
962
    int seg_not_present, useable;
963
    uint32_t *lp, entry_1, entry_2;
964

    
965
    if (bytecount != sizeof(ldt_info))
966
        return -EINVAL;
967
    memcpy(&ldt_info, ptr, sizeof(ldt_info));
968
    tswap32s(&ldt_info.entry_number);
969
    tswapls((long *)&ldt_info.base_addr);
970
    tswap32s(&ldt_info.limit);
971
    tswap32s(&ldt_info.flags);
972
    
973
    if (ldt_info.entry_number >= TARGET_LDT_ENTRIES)
974
        return -EINVAL;
975
    seg_32bit = ldt_info.flags & 1;
976
    contents = (ldt_info.flags >> 1) & 3;
977
    read_exec_only = (ldt_info.flags >> 3) & 1;
978
    limit_in_pages = (ldt_info.flags >> 4) & 1;
979
    seg_not_present = (ldt_info.flags >> 5) & 1;
980
    useable = (ldt_info.flags >> 6) & 1;
981

    
982
    if (contents == 3) {
983
        if (oldmode)
984
            return -EINVAL;
985
        if (seg_not_present == 0)
986
            return -EINVAL;
987
    }
988
    /* allocate the LDT */
989
    if (!ldt_table) {
990
        ldt_table = malloc(TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE);
991
        if (!ldt_table)
992
            return -ENOMEM;
993
        memset(ldt_table, 0, TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE);
994
        env->ldt.base = ldt_table;
995
        env->ldt.limit = 0xffff;
996
    }
997

    
998
    /* NOTE: same code as Linux kernel */
999
    /* Allow LDTs to be cleared by the user. */
1000
    if (ldt_info.base_addr == 0 && ldt_info.limit == 0) {
1001
        if (oldmode ||
1002
            (contents == 0                &&
1003
             read_exec_only == 1        &&
1004
             seg_32bit == 0                &&
1005
             limit_in_pages == 0        &&
1006
             seg_not_present == 1        &&
1007
             useable == 0 )) {
1008
            entry_1 = 0;
1009
            entry_2 = 0;
1010
            goto install;
1011
        }
1012
    }
1013
    
1014
    entry_1 = ((ldt_info.base_addr & 0x0000ffff) << 16) |
1015
        (ldt_info.limit & 0x0ffff);
1016
    entry_2 = (ldt_info.base_addr & 0xff000000) |
1017
        ((ldt_info.base_addr & 0x00ff0000) >> 16) |
1018
        (ldt_info.limit & 0xf0000) |
1019
        ((read_exec_only ^ 1) << 9) |
1020
        (contents << 10) |
1021
        ((seg_not_present ^ 1) << 15) |
1022
        (seg_32bit << 22) |
1023
        (limit_in_pages << 23) |
1024
        0x7000;
1025
    if (!oldmode)
1026
        entry_2 |= (useable << 20);
1027
    
1028
    /* Install the new entry ...  */
1029
install:
1030
    lp = (uint32_t *)(ldt_table + (ldt_info.entry_number << 3));
1031
    lp[0] = tswap32(entry_1);
1032
    lp[1] = tswap32(entry_2);
1033
    return 0;
1034
}
1035

    
1036
/* specific and weird i386 syscalls */
1037
int do_modify_ldt(CPUX86State *env, int func, void *ptr, unsigned long bytecount)
1038
{
1039
    int ret = -ENOSYS;
1040
    
1041
    switch (func) {
1042
    case 0:
1043
        ret = read_ldt(ptr, bytecount);
1044
        break;
1045
    case 1:
1046
        ret = write_ldt(env, ptr, bytecount, 1);
1047
        break;
1048
    case 0x11:
1049
        ret = write_ldt(env, ptr, bytecount, 0);
1050
        break;
1051
    }
1052
    return ret;
1053
}
1054

    
1055
/* this stack is the equivalent of the kernel stack associated with a
1056
   thread/process */
1057
#define NEW_STACK_SIZE 8192
1058

    
1059
static int clone_func(void *arg)
1060
{
1061
    CPUX86State *env = arg;
1062
    cpu_loop(env);
1063
    /* never exits */
1064
    return 0;
1065
}
1066

    
1067
int do_fork(CPUX86State *env, unsigned int flags, unsigned long newsp)
1068
{
1069
    int ret;
1070
    TaskState *ts;
1071
    uint8_t *new_stack;
1072
    CPUX86State *new_env;
1073
    
1074
    if (flags & CLONE_VM) {
1075
        if (!newsp)
1076
            newsp = env->regs[R_ESP];
1077
        ts = malloc(sizeof(TaskState) + NEW_STACK_SIZE);
1078
        memset(ts, 0, sizeof(TaskState));
1079
        new_stack = ts->stack;
1080
        ts->used = 1;
1081
        /* add in task state list */
1082
        ts->next = first_task_state;
1083
        first_task_state = ts;
1084
        /* we create a new CPU instance. */
1085
        new_env = cpu_x86_init();
1086
        memcpy(new_env, env, sizeof(CPUX86State));
1087
        new_env->regs[R_ESP] = newsp;
1088
        new_env->regs[R_EAX] = 0;
1089
        new_env->opaque = ts;
1090
#ifdef __ia64__
1091
        ret = clone2(clone_func, new_stack + NEW_STACK_SIZE, flags, new_env);
1092
#else
1093
        ret = clone(clone_func, new_stack + NEW_STACK_SIZE, flags, new_env);
1094
#endif
1095
    } else {
1096
        /* if no CLONE_VM, we consider it is a fork */
1097
        if ((flags & ~CSIGNAL) != 0)
1098
            return -EINVAL;
1099
        ret = fork();
1100
    }
1101
    return ret;
1102
}
1103

    
1104
#endif
1105

    
1106
static long do_fcntl(int fd, int cmd, unsigned long arg)
1107
{
1108
    struct flock fl;
1109
    struct target_flock *target_fl = (void *)arg;
1110
    long ret;
1111
    
1112
    switch(cmd) {
1113
    case TARGET_F_GETLK:
1114
        ret = fcntl(fd, cmd, &fl);
1115
        if (ret == 0) {
1116
            target_fl->l_type = tswap16(fl.l_type);
1117
            target_fl->l_whence = tswap16(fl.l_whence);
1118
            target_fl->l_start = tswapl(fl.l_start);
1119
            target_fl->l_len = tswapl(fl.l_len);
1120
            target_fl->l_pid = tswapl(fl.l_pid);
1121
        }
1122
        break;
1123
        
1124
    case TARGET_F_SETLK:
1125
    case TARGET_F_SETLKW:
1126
        fl.l_type = tswap16(target_fl->l_type);
1127
        fl.l_whence = tswap16(target_fl->l_whence);
1128
        fl.l_start = tswapl(target_fl->l_start);
1129
        fl.l_len = tswapl(target_fl->l_len);
1130
        fl.l_pid = tswapl(target_fl->l_pid);
1131
        ret = fcntl(fd, cmd, &fl);
1132
        break;
1133
        
1134
    case TARGET_F_GETLK64:
1135
    case TARGET_F_SETLK64:
1136
    case TARGET_F_SETLKW64:
1137
        ret = -1;
1138
        errno = EINVAL;
1139
        break;
1140

    
1141
    default:
1142
        ret = fcntl(fd, cmd, arg);
1143
        break;
1144
    }
1145
    return ret;
1146
}
1147

    
1148

    
1149
#define high2lowuid(x) (x)
1150
#define high2lowgid(x) (x)
1151
#define low2highuid(x) (x)
1152
#define low2highgid(x) (x)
1153

    
1154
void syscall_init(void)
1155
{
1156
#define STRUCT(name, list...) thunk_register_struct(STRUCT_ ## name, #name, struct_ ## name ## _def); 
1157
#define STRUCT_SPECIAL(name) thunk_register_struct_direct(STRUCT_ ## name, #name, &struct_ ## name ## _def); 
1158
#include "syscall_types.h"
1159
#undef STRUCT
1160
#undef STRUCT_SPECIAL
1161
}
1162
                                 
1163
long do_syscall(void *cpu_env, int num, long arg1, long arg2, long arg3, 
1164
                long arg4, long arg5, long arg6)
1165
{
1166
    long ret;
1167
    struct stat st;
1168
    struct kernel_statfs *stfs;
1169
    
1170
#ifdef DEBUG
1171
    gemu_log("syscall %d\n", num);
1172
#endif
1173
    switch(num) {
1174
    case TARGET_NR_exit:
1175
#ifdef HAVE_GPROF
1176
        _mcleanup();
1177
#endif
1178
        /* XXX: should free thread stack and CPU env */
1179
        _exit(arg1);
1180
        ret = 0; /* avoid warning */
1181
        break;
1182
    case TARGET_NR_read:
1183
        page_unprotect_range((void *)arg2, arg3);
1184
        ret = get_errno(read(arg1, (void *)arg2, arg3));
1185
        break;
1186
    case TARGET_NR_write:
1187
        ret = get_errno(write(arg1, (void *)arg2, arg3));
1188
        break;
1189
    case TARGET_NR_open:
1190
        ret = get_errno(open(path((const char *)arg1), arg2, arg3));
1191
        break;
1192
    case TARGET_NR_close:
1193
        ret = get_errno(close(arg1));
1194
        break;
1195
    case TARGET_NR_brk:
1196
        ret = do_brk((char *)arg1);
1197
        break;
1198
    case TARGET_NR_fork:
1199
        ret = get_errno(do_fork(cpu_env, SIGCHLD, 0));
1200
        break;
1201
    case TARGET_NR_waitpid:
1202
        {
1203
            int *status = (int *)arg2;
1204
            ret = get_errno(waitpid(arg1, status, arg3));
1205
            if (!is_error(ret) && status)
1206
                tswapls((long *)&status);
1207
        }
1208
        break;
1209
    case TARGET_NR_creat:
1210
        ret = get_errno(creat((const char *)arg1, arg2));
1211
        break;
1212
    case TARGET_NR_link:
1213
        ret = get_errno(link((const char *)arg1, (const char *)arg2));
1214
        break;
1215
    case TARGET_NR_unlink:
1216
        ret = get_errno(unlink((const char *)arg1));
1217
        break;
1218
    case TARGET_NR_execve:
1219
        {
1220
            char **argp, **envp;
1221
            int argc, envc;
1222
            uint32_t *p;
1223
            char **q;
1224

    
1225
            argc = 0;
1226
            for (p = (void *)arg2; *p; p++)
1227
                argc++;
1228
            envc = 0;
1229
            for (p = (void *)arg3; *p; p++)
1230
                envc++;
1231

    
1232
            argp = alloca((argc + 1) * sizeof(void *));
1233
            envp = alloca((envc + 1) * sizeof(void *));
1234

    
1235
            for (p = (void *)arg2, q = argp; *p; p++, q++)
1236
                *q = (void *)tswap32(*p);
1237
            *q = NULL;
1238

    
1239
            for (p = (void *)arg3, q = envp; *p; p++, q++)
1240
                *q = (void *)tswap32(*p);
1241
            *q = NULL;
1242

    
1243
            ret = get_errno(execve((const char *)arg1, argp, envp));
1244
        }
1245
        break;
1246
    case TARGET_NR_chdir:
1247
        ret = get_errno(chdir((const char *)arg1));
1248
        break;
1249
    case TARGET_NR_time:
1250
        {
1251
            int *time_ptr = (int *)arg1;
1252
            ret = get_errno(time((time_t *)time_ptr));
1253
            if (!is_error(ret) && time_ptr)
1254
                tswap32s(time_ptr);
1255
        }
1256
        break;
1257
    case TARGET_NR_mknod:
1258
        ret = get_errno(mknod((const char *)arg1, arg2, arg3));
1259
        break;
1260
    case TARGET_NR_chmod:
1261
        ret = get_errno(chmod((const char *)arg1, arg2));
1262
        break;
1263
    case TARGET_NR_lchown:
1264
        ret = get_errno(chown((const char *)arg1, arg2, arg3));
1265
        break;
1266
    case TARGET_NR_break:
1267
        goto unimplemented;
1268
    case TARGET_NR_oldstat:
1269
        goto unimplemented;
1270
    case TARGET_NR_lseek:
1271
        ret = get_errno(lseek(arg1, arg2, arg3));
1272
        break;
1273
    case TARGET_NR_getpid:
1274
        ret = get_errno(getpid());
1275
        break;
1276
    case TARGET_NR_mount:
1277
        /* need to look at the data field */
1278
        goto unimplemented;
1279
    case TARGET_NR_umount:
1280
        ret = get_errno(umount((const char *)arg1));
1281
        break;
1282
    case TARGET_NR_setuid:
1283
        ret = get_errno(setuid(low2highuid(arg1)));
1284
        break;
1285
    case TARGET_NR_getuid:
1286
        ret = get_errno(getuid());
1287
        break;
1288
    case TARGET_NR_stime:
1289
        {
1290
            int *time_ptr = (int *)arg1;
1291
            if (time_ptr)
1292
                tswap32s(time_ptr);
1293
            ret = get_errno(stime((time_t *)time_ptr));
1294
        }
1295
        break;
1296
    case TARGET_NR_ptrace:
1297
        goto unimplemented;
1298
    case TARGET_NR_alarm:
1299
        ret = alarm(arg1);
1300
        break;
1301
    case TARGET_NR_oldfstat:
1302
        goto unimplemented;
1303
    case TARGET_NR_pause:
1304
        ret = get_errno(pause());
1305
        break;
1306
    case TARGET_NR_utime:
1307
        goto unimplemented;
1308
    case TARGET_NR_stty:
1309
        goto unimplemented;
1310
    case TARGET_NR_gtty:
1311
        goto unimplemented;
1312
    case TARGET_NR_access:
1313
        ret = get_errno(access((const char *)arg1, arg2));
1314
        break;
1315
    case TARGET_NR_nice:
1316
        ret = get_errno(nice(arg1));
1317
        break;
1318
    case TARGET_NR_ftime:
1319
        goto unimplemented;
1320
    case TARGET_NR_sync:
1321
        sync();
1322
        ret = 0;
1323
        break;
1324
    case TARGET_NR_kill:
1325
        ret = get_errno(kill(arg1, arg2));
1326
        break;
1327
    case TARGET_NR_rename:
1328
        ret = get_errno(rename((const char *)arg1, (const char *)arg2));
1329
        break;
1330
    case TARGET_NR_mkdir:
1331
        ret = get_errno(mkdir((const char *)arg1, arg2));
1332
        break;
1333
    case TARGET_NR_rmdir:
1334
        ret = get_errno(rmdir((const char *)arg1));
1335
        break;
1336
    case TARGET_NR_dup:
1337
        ret = get_errno(dup(arg1));
1338
        break;
1339
    case TARGET_NR_pipe:
1340
        {
1341
            int *pipe_ptr = (int *)arg1;
1342
            ret = get_errno(pipe(pipe_ptr));
1343
            if (!is_error(ret)) {
1344
                tswap32s(&pipe_ptr[0]);
1345
                tswap32s(&pipe_ptr[1]);
1346
            }
1347
        }
1348
        break;
1349
    case TARGET_NR_times:
1350
        {
1351
            struct target_tms *tmsp = (void *)arg1;
1352
            struct tms tms;
1353
            ret = get_errno(times(&tms));
1354
            if (tmsp) {
1355
                tmsp->tms_utime = tswapl(tms.tms_utime);
1356
                tmsp->tms_stime = tswapl(tms.tms_stime);
1357
                tmsp->tms_cutime = tswapl(tms.tms_cutime);
1358
                tmsp->tms_cstime = tswapl(tms.tms_cstime);
1359
            }
1360
        }
1361
        break;
1362
    case TARGET_NR_prof:
1363
        goto unimplemented;
1364
    case TARGET_NR_setgid:
1365
        ret = get_errno(setgid(low2highgid(arg1)));
1366
        break;
1367
    case TARGET_NR_getgid:
1368
        ret = get_errno(getgid());
1369
        break;
1370
    case TARGET_NR_signal:
1371
        goto unimplemented;
1372
    case TARGET_NR_geteuid:
1373
        ret = get_errno(geteuid());
1374
        break;
1375
    case TARGET_NR_getegid:
1376
        ret = get_errno(getegid());
1377
        break;
1378
    case TARGET_NR_acct:
1379
        goto unimplemented;
1380
    case TARGET_NR_umount2:
1381
        ret = get_errno(umount2((const char *)arg1, arg2));
1382
        break;
1383
    case TARGET_NR_lock:
1384
        goto unimplemented;
1385
    case TARGET_NR_ioctl:
1386
        ret = do_ioctl(arg1, arg2, arg3);
1387
        break;
1388
    case TARGET_NR_fcntl:
1389
        ret = get_errno(do_fcntl(arg1, arg2, arg3));
1390
        break;
1391
    case TARGET_NR_mpx:
1392
        goto unimplemented;
1393
    case TARGET_NR_setpgid:
1394
        ret = get_errno(setpgid(arg1, arg2));
1395
        break;
1396
    case TARGET_NR_ulimit:
1397
        goto unimplemented;
1398
    case TARGET_NR_oldolduname:
1399
        goto unimplemented;
1400
    case TARGET_NR_umask:
1401
        ret = get_errno(umask(arg1));
1402
        break;
1403
    case TARGET_NR_chroot:
1404
        ret = get_errno(chroot((const char *)arg1));
1405
        break;
1406
    case TARGET_NR_ustat:
1407
        goto unimplemented;
1408
    case TARGET_NR_dup2:
1409
        ret = get_errno(dup2(arg1, arg2));
1410
        break;
1411
    case TARGET_NR_getppid:
1412
        ret = get_errno(getppid());
1413
        break;
1414
    case TARGET_NR_getpgrp:
1415
        ret = get_errno(getpgrp());
1416
        break;
1417
    case TARGET_NR_setsid:
1418
        ret = get_errno(setsid());
1419
        break;
1420
    case TARGET_NR_sigaction:
1421
        {
1422
            struct target_old_sigaction *old_act = (void *)arg2;
1423
            struct target_old_sigaction *old_oact = (void *)arg3;
1424
            struct target_sigaction act, oact, *pact;
1425
            if (old_act) {
1426
                act._sa_handler = old_act->_sa_handler;
1427
                target_siginitset(&act.sa_mask, old_act->sa_mask);
1428
                act.sa_flags = old_act->sa_flags;
1429
                act.sa_restorer = old_act->sa_restorer;
1430
                pact = &act;
1431
            } else {
1432
                pact = NULL;
1433
            }
1434
            ret = get_errno(do_sigaction(arg1, pact, &oact));
1435
            if (!is_error(ret) && old_oact) {
1436
                old_oact->_sa_handler = oact._sa_handler;
1437
                old_oact->sa_mask = oact.sa_mask.sig[0];
1438
                old_oact->sa_flags = oact.sa_flags;
1439
                old_oact->sa_restorer = oact.sa_restorer;
1440
            }
1441
        }
1442
        break;
1443
    case TARGET_NR_rt_sigaction:
1444
        ret = get_errno(do_sigaction(arg1, (void *)arg2, (void *)arg3));
1445
        break;
1446
    case TARGET_NR_sgetmask:
1447
        {
1448
            sigset_t cur_set;
1449
            target_ulong target_set;
1450
            sigprocmask(0, NULL, &cur_set);
1451
            host_to_target_old_sigset(&target_set, &cur_set);
1452
            ret = target_set;
1453
        }
1454
        break;
1455
    case TARGET_NR_ssetmask:
1456
        {
1457
            sigset_t set, oset, cur_set;
1458
            target_ulong target_set = arg1;
1459
            sigprocmask(0, NULL, &cur_set);
1460
            target_to_host_old_sigset(&set, &target_set);
1461
            sigorset(&set, &set, &cur_set);
1462
            sigprocmask(SIG_SETMASK, &set, &oset);
1463
            host_to_target_old_sigset(&target_set, &oset);
1464
            ret = target_set;
1465
        }
1466
        break;
1467
    case TARGET_NR_sigprocmask:
1468
        {
1469
            int how = arg1;
1470
            sigset_t set, oldset, *set_ptr;
1471
            target_ulong *pset = (void *)arg2, *poldset = (void *)arg3;
1472
            
1473
            if (pset) {
1474
                switch(how) {
1475
                case TARGET_SIG_BLOCK:
1476
                    how = SIG_BLOCK;
1477
                    break;
1478
                case TARGET_SIG_UNBLOCK:
1479
                    how = SIG_UNBLOCK;
1480
                    break;
1481
                case TARGET_SIG_SETMASK:
1482
                    how = SIG_SETMASK;
1483
                    break;
1484
                default:
1485
                    ret = -EINVAL;
1486
                    goto fail;
1487
                }
1488
                target_to_host_old_sigset(&set, pset);
1489
                set_ptr = &set;
1490
            } else {
1491
                how = 0;
1492
                set_ptr = NULL;
1493
            }
1494
            ret = get_errno(sigprocmask(arg1, set_ptr, &oldset));
1495
            if (!is_error(ret) && poldset) {
1496
                host_to_target_old_sigset(poldset, &oldset);
1497
            }
1498
        }
1499
        break;
1500
    case TARGET_NR_rt_sigprocmask:
1501
        {
1502
            int how = arg1;
1503
            sigset_t set, oldset, *set_ptr;
1504
            target_sigset_t *pset = (void *)arg2;
1505
            target_sigset_t *poldset = (void *)arg3;
1506
            
1507
            if (pset) {
1508
                switch(how) {
1509
                case TARGET_SIG_BLOCK:
1510
                    how = SIG_BLOCK;
1511
                    break;
1512
                case TARGET_SIG_UNBLOCK:
1513
                    how = SIG_UNBLOCK;
1514
                    break;
1515
                case TARGET_SIG_SETMASK:
1516
                    how = SIG_SETMASK;
1517
                    break;
1518
                default:
1519
                    ret = -EINVAL;
1520
                    goto fail;
1521
                }
1522
                target_to_host_sigset(&set, pset);
1523
                set_ptr = &set;
1524
            } else {
1525
                how = 0;
1526
                set_ptr = NULL;
1527
            }
1528
            ret = get_errno(sigprocmask(how, set_ptr, &oldset));
1529
            if (!is_error(ret) && poldset) {
1530
                host_to_target_sigset(poldset, &oldset);
1531
            }
1532
        }
1533
        break;
1534
    case TARGET_NR_sigpending:
1535
        {
1536
            sigset_t set;
1537
            ret = get_errno(sigpending(&set));
1538
            if (!is_error(ret)) {
1539
                host_to_target_old_sigset((target_ulong *)arg1, &set);
1540
            }
1541
        }
1542
        break;
1543
    case TARGET_NR_rt_sigpending:
1544
        {
1545
            sigset_t set;
1546
            ret = get_errno(sigpending(&set));
1547
            if (!is_error(ret)) {
1548
                host_to_target_sigset((target_sigset_t *)arg1, &set);
1549
            }
1550
        }
1551
        break;
1552
    case TARGET_NR_sigsuspend:
1553
        {
1554
            sigset_t set;
1555
            target_to_host_old_sigset(&set, (target_ulong *)arg1);
1556
            ret = get_errno(sigsuspend(&set));
1557
        }
1558
        break;
1559
    case TARGET_NR_rt_sigsuspend:
1560
        {
1561
            sigset_t set;
1562
            target_to_host_sigset(&set, (target_sigset_t *)arg1);
1563
            ret = get_errno(sigsuspend(&set));
1564
        }
1565
        break;
1566
    case TARGET_NR_rt_sigtimedwait:
1567
        {
1568
            target_sigset_t *target_set = (void *)arg1;
1569
            target_siginfo_t *target_uinfo = (void *)arg2;
1570
            struct target_timespec *target_uts = (void *)arg3;
1571
            sigset_t set;
1572
            struct timespec uts, *puts;
1573
            siginfo_t uinfo;
1574
            
1575
            target_to_host_sigset(&set, target_set);
1576
            if (target_uts) {
1577
                puts = &uts;
1578
                puts->tv_sec = tswapl(target_uts->tv_sec);
1579
                puts->tv_nsec = tswapl(target_uts->tv_nsec);
1580
            } else {
1581
                puts = NULL;
1582
            }
1583
            ret = get_errno(sigtimedwait(&set, &uinfo, puts));
1584
            if (!is_error(ret) && target_uinfo) {
1585
                host_to_target_siginfo(target_uinfo, &uinfo);
1586
            }
1587
        }
1588
        break;
1589
    case TARGET_NR_rt_sigqueueinfo:
1590
        {
1591
            siginfo_t uinfo;
1592
            target_to_host_siginfo(&uinfo, (target_siginfo_t *)arg3);
1593
            ret = get_errno(sys_rt_sigqueueinfo(arg1, arg2, &uinfo));
1594
        }
1595
        break;
1596
    case TARGET_NR_sigreturn:
1597
        /* NOTE: ret is eax, so not transcoding must be done */
1598
        ret = do_sigreturn(cpu_env);
1599
        break;
1600
    case TARGET_NR_rt_sigreturn:
1601
        /* NOTE: ret is eax, so not transcoding must be done */
1602
        ret = do_rt_sigreturn(cpu_env);
1603
        break;
1604
    case TARGET_NR_setreuid:
1605
        ret = get_errno(setreuid(arg1, arg2));
1606
        break;
1607
    case TARGET_NR_setregid:
1608
        ret = get_errno(setregid(arg1, arg2));
1609
        break;
1610
    case TARGET_NR_sethostname:
1611
        ret = get_errno(sethostname((const char *)arg1, arg2));
1612
        break;
1613
    case TARGET_NR_setrlimit:
1614
        {
1615
            /* XXX: convert resource ? */
1616
            int resource = arg1;
1617
            struct target_rlimit *target_rlim = (void *)arg2;
1618
            struct rlimit rlim;
1619
            rlim.rlim_cur = tswapl(target_rlim->rlim_cur);
1620
            rlim.rlim_max = tswapl(target_rlim->rlim_max);
1621
            ret = get_errno(setrlimit(resource, &rlim));
1622
        }
1623
        break;
1624
    case TARGET_NR_getrlimit:
1625
        {
1626
            /* XXX: convert resource ? */
1627
            int resource = arg1;
1628
            struct target_rlimit *target_rlim = (void *)arg2;
1629
            struct rlimit rlim;
1630
            
1631
            ret = get_errno(getrlimit(resource, &rlim));
1632
            if (!is_error(ret)) {
1633
                target_rlim->rlim_cur = tswapl(rlim.rlim_cur);
1634
                target_rlim->rlim_max = tswapl(rlim.rlim_max);
1635
            }
1636
        }
1637
        break;
1638
    case TARGET_NR_getrusage:
1639
        goto unimplemented;
1640
    case TARGET_NR_gettimeofday:
1641
        {
1642
            struct target_timeval *target_tv = (void *)arg1;
1643
            struct timeval tv;
1644
            ret = get_errno(gettimeofday(&tv, NULL));
1645
            if (!is_error(ret)) {
1646
                host_to_target_timeval(target_tv, &tv);
1647
            }
1648
        }
1649
        break;
1650
    case TARGET_NR_settimeofday:
1651
        {
1652
            struct target_timeval *target_tv = (void *)arg1;
1653
            struct timeval tv;
1654
            target_to_host_timeval(&tv, target_tv);
1655
            ret = get_errno(settimeofday(&tv, NULL));
1656
        }
1657
        break;
1658
    case TARGET_NR_getgroups:
1659
        {
1660
            int gidsetsize = arg1;
1661
            uint16_t *target_grouplist = (void *)arg2;
1662
            gid_t *grouplist;
1663
            int i;
1664

    
1665
            grouplist = alloca(gidsetsize * sizeof(gid_t));
1666
            ret = get_errno(getgroups(gidsetsize, grouplist));
1667
            if (!is_error(ret)) {
1668
                for(i = 0;i < gidsetsize; i++)
1669
                    target_grouplist[i] = tswap16(grouplist[i]);
1670
            }
1671
        }
1672
        break;
1673
    case TARGET_NR_setgroups:
1674
        {
1675
            int gidsetsize = arg1;
1676
            uint16_t *target_grouplist = (void *)arg2;
1677
            gid_t *grouplist;
1678
            int i;
1679

    
1680
            grouplist = alloca(gidsetsize * sizeof(gid_t));
1681
            for(i = 0;i < gidsetsize; i++)
1682
                grouplist[i] = tswap16(target_grouplist[i]);
1683
            ret = get_errno(setgroups(gidsetsize, grouplist));
1684
        }
1685
        break;
1686
    case TARGET_NR_select:
1687
        goto unimplemented;
1688
    case TARGET_NR_symlink:
1689
        ret = get_errno(symlink((const char *)arg1, (const char *)arg2));
1690
        break;
1691
    case TARGET_NR_oldlstat:
1692
        goto unimplemented;
1693
    case TARGET_NR_readlink:
1694
        ret = get_errno(readlink(path((const char *)arg1), (char *)arg2, arg3));
1695
        break;
1696
    case TARGET_NR_uselib:
1697
        goto unimplemented;
1698
    case TARGET_NR_swapon:
1699
        ret = get_errno(swapon((const char *)arg1, arg2));
1700
        break;
1701
    case TARGET_NR_reboot:
1702
        goto unimplemented;
1703
    case TARGET_NR_readdir:
1704
        goto unimplemented;
1705
#ifdef TARGET_I386
1706
    case TARGET_NR_mmap:
1707
        {
1708
            uint32_t v1, v2, v3, v4, v5, v6, *vptr;
1709
            vptr = (uint32_t *)arg1;
1710
            v1 = tswap32(vptr[0]);
1711
            v2 = tswap32(vptr[1]);
1712
            v3 = tswap32(vptr[2]);
1713
            v4 = tswap32(vptr[3]);
1714
            v5 = tswap32(vptr[4]);
1715
            v6 = tswap32(vptr[5]);
1716
            ret = get_errno(target_mmap(v1, v2, v3, v4, v5, v6));
1717
        }
1718
        break;
1719
#endif
1720
#ifdef TARGET_I386
1721
    case TARGET_NR_mmap2:
1722
#else
1723
    case TARGET_NR_mmap:
1724
#endif
1725
        ret = get_errno(target_mmap(arg1, arg2, arg3, arg4, arg5, arg6));
1726
        break;
1727
    case TARGET_NR_munmap:
1728
        ret = get_errno(target_munmap(arg1, arg2));
1729
        break;
1730
    case TARGET_NR_mprotect:
1731
        ret = get_errno(target_mprotect(arg1, arg2, arg3));
1732
        break;
1733
    case TARGET_NR_mremap:
1734
        ret = get_errno(target_mremap(arg1, arg2, arg3, arg4, arg5));
1735
        break;
1736
    case TARGET_NR_msync:
1737
        ret = get_errno(msync((void *)arg1, arg2, arg3));
1738
        break;
1739
    case TARGET_NR_mlock:
1740
        ret = get_errno(mlock((void *)arg1, arg2));
1741
        break;
1742
    case TARGET_NR_munlock:
1743
        ret = get_errno(munlock((void *)arg1, arg2));
1744
        break;
1745
    case TARGET_NR_mlockall:
1746
        ret = get_errno(mlockall(arg1));
1747
        break;
1748
    case TARGET_NR_munlockall:
1749
        ret = get_errno(munlockall());
1750
        break;
1751
    case TARGET_NR_truncate:
1752
        ret = get_errno(truncate((const char *)arg1, arg2));
1753
        break;
1754
    case TARGET_NR_ftruncate:
1755
        ret = get_errno(ftruncate(arg1, arg2));
1756
        break;
1757
    case TARGET_NR_fchmod:
1758
        ret = get_errno(fchmod(arg1, arg2));
1759
        break;
1760
    case TARGET_NR_fchown:
1761
        ret = get_errno(fchown(arg1, arg2, arg3));
1762
        break;
1763
    case TARGET_NR_getpriority:
1764
        ret = get_errno(getpriority(arg1, arg2));
1765
        break;
1766
    case TARGET_NR_setpriority:
1767
        ret = get_errno(setpriority(arg1, arg2, arg3));
1768
        break;
1769
    case TARGET_NR_profil:
1770
        goto unimplemented;
1771
    case TARGET_NR_statfs:
1772
        stfs = (void *)arg2;
1773
        ret = get_errno(sys_statfs(path((const char *)arg1), stfs));
1774
    convert_statfs:
1775
        if (!is_error(ret)) {
1776
            tswap32s(&stfs->f_type);
1777
            tswap32s(&stfs->f_bsize);
1778
            tswap32s(&stfs->f_blocks);
1779
            tswap32s(&stfs->f_bfree);
1780
            tswap32s(&stfs->f_bavail);
1781
            tswap32s(&stfs->f_files);
1782
            tswap32s(&stfs->f_ffree);
1783
            tswap32s(&stfs->f_fsid.val[0]);
1784
            tswap32s(&stfs->f_fsid.val[1]);
1785
            tswap32s(&stfs->f_namelen);
1786
        }
1787
        break;
1788
    case TARGET_NR_fstatfs:
1789
        stfs = (void *)arg2;
1790
        ret = get_errno(sys_fstatfs(arg1, stfs));
1791
        goto convert_statfs;
1792
    case TARGET_NR_ioperm:
1793
        goto unimplemented;
1794
    case TARGET_NR_socketcall:
1795
        ret = do_socketcall(arg1, (int32_t *)arg2);
1796
        break;
1797
    case TARGET_NR_syslog:
1798
        goto unimplemented;
1799
    case TARGET_NR_setitimer:
1800
        {
1801
            struct target_itimerval *target_value = (void *)arg2;
1802
            struct target_itimerval *target_ovalue = (void *)arg3;
1803
            struct itimerval value, ovalue, *pvalue;
1804

    
1805
            if (target_value) {
1806
                pvalue = &value;
1807
                target_to_host_timeval(&pvalue->it_interval, 
1808
                                       &target_value->it_interval);
1809
                target_to_host_timeval(&pvalue->it_value, 
1810
                                       &target_value->it_value);
1811
            } else {
1812
                pvalue = NULL;
1813
            }
1814
            ret = get_errno(setitimer(arg1, pvalue, &ovalue));
1815
            if (!is_error(ret) && target_ovalue) {
1816
                host_to_target_timeval(&target_ovalue->it_interval, 
1817
                                       &ovalue.it_interval);
1818
                host_to_target_timeval(&target_ovalue->it_value, 
1819
                                       &ovalue.it_value);
1820
            }
1821
        }
1822
        break;
1823
    case TARGET_NR_getitimer:
1824
        {
1825
            struct target_itimerval *target_value = (void *)arg2;
1826
            struct itimerval value;
1827
            
1828
            ret = get_errno(getitimer(arg1, &value));
1829
            if (!is_error(ret) && target_value) {
1830
                host_to_target_timeval(&target_value->it_interval, 
1831
                                       &value.it_interval);
1832
                host_to_target_timeval(&target_value->it_value, 
1833
                                       &value.it_value);
1834
            }
1835
        }
1836
        break;
1837
    case TARGET_NR_stat:
1838
        ret = get_errno(stat(path((const char *)arg1), &st));
1839
        goto do_stat;
1840
    case TARGET_NR_lstat:
1841
        ret = get_errno(lstat(path((const char *)arg1), &st));
1842
        goto do_stat;
1843
    case TARGET_NR_fstat:
1844
        {
1845
            ret = get_errno(fstat(arg1, &st));
1846
        do_stat:
1847
            if (!is_error(ret)) {
1848
                struct target_stat *target_st = (void *)arg2;
1849
                target_st->st_dev = tswap16(st.st_dev);
1850
                target_st->st_ino = tswapl(st.st_ino);
1851
                target_st->st_mode = tswap16(st.st_mode);
1852
                target_st->st_nlink = tswap16(st.st_nlink);
1853
                target_st->st_uid = tswap16(st.st_uid);
1854
                target_st->st_gid = tswap16(st.st_gid);
1855
                target_st->st_rdev = tswap16(st.st_rdev);
1856
                target_st->st_size = tswapl(st.st_size);
1857
                target_st->st_blksize = tswapl(st.st_blksize);
1858
                target_st->st_blocks = tswapl(st.st_blocks);
1859
                target_st->target_st_atime = tswapl(st.st_atime);
1860
                target_st->target_st_mtime = tswapl(st.st_mtime);
1861
                target_st->target_st_ctime = tswapl(st.st_ctime);
1862
            }
1863
        }
1864
        break;
1865
    case TARGET_NR_olduname:
1866
        goto unimplemented;
1867
    case TARGET_NR_iopl:
1868
        goto unimplemented;
1869
    case TARGET_NR_vhangup:
1870
        ret = get_errno(vhangup());
1871
        break;
1872
    case TARGET_NR_idle:
1873
        goto unimplemented;
1874
    case TARGET_NR_wait4:
1875
        {
1876
            int status;
1877
            target_long *status_ptr = (void *)arg2;
1878
            struct rusage rusage, *rusage_ptr;
1879
            struct target_rusage *target_rusage = (void *)arg4;
1880
            if (target_rusage)
1881
                rusage_ptr = &rusage;
1882
            else
1883
                rusage_ptr = NULL;
1884
            ret = get_errno(wait4(arg1, &status, arg3, rusage_ptr));
1885
            if (!is_error(ret)) {
1886
                if (status_ptr)
1887
                    *status_ptr = tswap32(status);
1888
                if (target_rusage) {
1889
                    target_rusage->ru_utime.tv_sec = tswapl(rusage.ru_utime.tv_sec);
1890
                    target_rusage->ru_utime.tv_usec = tswapl(rusage.ru_utime.tv_usec);
1891
                    target_rusage->ru_stime.tv_sec = tswapl(rusage.ru_stime.tv_sec);
1892
                    target_rusage->ru_stime.tv_usec = tswapl(rusage.ru_stime.tv_usec);
1893
                    target_rusage->ru_maxrss = tswapl(rusage.ru_maxrss);
1894
                    target_rusage->ru_ixrss = tswapl(rusage.ru_ixrss);
1895
                    target_rusage->ru_idrss = tswapl(rusage.ru_idrss);
1896
                    target_rusage->ru_isrss = tswapl(rusage.ru_isrss);
1897
                    target_rusage->ru_minflt = tswapl(rusage.ru_minflt);
1898
                    target_rusage->ru_majflt = tswapl(rusage.ru_majflt);
1899
                    target_rusage->ru_nswap = tswapl(rusage.ru_nswap);
1900
                    target_rusage->ru_inblock = tswapl(rusage.ru_inblock);
1901
                    target_rusage->ru_oublock = tswapl(rusage.ru_oublock);
1902
                    target_rusage->ru_msgsnd = tswapl(rusage.ru_msgsnd);
1903
                    target_rusage->ru_msgrcv = tswapl(rusage.ru_msgrcv);
1904
                    target_rusage->ru_nsignals = tswapl(rusage.ru_nsignals);
1905
                    target_rusage->ru_nvcsw = tswapl(rusage.ru_nvcsw);
1906
                    target_rusage->ru_nivcsw = tswapl(rusage.ru_nivcsw);
1907
                }
1908
            }
1909
        }
1910
        break;
1911
    case TARGET_NR_swapoff:
1912
        ret = get_errno(swapoff((const char *)arg1));
1913
        break;
1914
    case TARGET_NR_sysinfo:
1915
        goto unimplemented;
1916
    case TARGET_NR_ipc:
1917
        goto unimplemented;
1918
    case TARGET_NR_fsync:
1919
        ret = get_errno(fsync(arg1));
1920
        break;
1921
    case TARGET_NR_clone:
1922
        ret = get_errno(do_fork(cpu_env, arg1, arg2));
1923
        break;
1924
#ifdef __NR_exit_group
1925
        /* new thread calls */
1926
    case TARGET_NR_exit_group:
1927
        ret = get_errno(exit_group(arg1));
1928
        break;
1929
#endif
1930
    case TARGET_NR_setdomainname:
1931
        ret = get_errno(setdomainname((const char *)arg1, arg2));
1932
        break;
1933
    case TARGET_NR_uname:
1934
        /* no need to transcode because we use the linux syscall */
1935
        ret = get_errno(sys_uname((struct new_utsname *)arg1));
1936
        break;
1937
#ifdef TARGET_I386
1938
    case TARGET_NR_modify_ldt:
1939
        ret = get_errno(do_modify_ldt(cpu_env, arg1, (void *)arg2, arg3));
1940
        break;
1941
    case TARGET_NR_vm86old:
1942
        goto unimplemented;
1943
    case TARGET_NR_vm86:
1944
        ret = do_vm86(cpu_env, arg1, (void *)arg2);
1945
        break;
1946
#endif
1947
    case TARGET_NR_adjtimex:
1948
        goto unimplemented;
1949
    case TARGET_NR_create_module:
1950
    case TARGET_NR_init_module:
1951
    case TARGET_NR_delete_module:
1952
    case TARGET_NR_get_kernel_syms:
1953
        goto unimplemented;
1954
    case TARGET_NR_quotactl:
1955
        goto unimplemented;
1956
    case TARGET_NR_getpgid:
1957
        ret = get_errno(getpgid(arg1));
1958
        break;
1959
    case TARGET_NR_fchdir:
1960
        ret = get_errno(fchdir(arg1));
1961
        break;
1962
    case TARGET_NR_bdflush:
1963
        goto unimplemented;
1964
    case TARGET_NR_sysfs:
1965
        goto unimplemented;
1966
    case TARGET_NR_personality:
1967
        ret = get_errno(personality(arg1));
1968
        break;
1969
    case TARGET_NR_afs_syscall:
1970
        goto unimplemented;
1971
    case TARGET_NR_setfsuid:
1972
        ret = get_errno(setfsuid(arg1));
1973
        break;
1974
    case TARGET_NR_setfsgid:
1975
        ret = get_errno(setfsgid(arg1));
1976
        break;
1977
    case TARGET_NR__llseek:
1978
        {
1979
            int64_t res;
1980
            ret = get_errno(_llseek(arg1, arg2, arg3, &res, arg5));
1981
            *(int64_t *)arg4 = tswap64(res);
1982
        }
1983
        break;
1984
    case TARGET_NR_getdents:
1985
#if TARGET_LONG_SIZE != 4
1986
#error not supported
1987
#endif
1988
        {
1989
            struct dirent *dirp = (void *)arg2;
1990
            long count = arg3;
1991

    
1992
            ret = get_errno(sys_getdents(arg1, dirp, count));
1993
            if (!is_error(ret)) {
1994
                struct dirent *de;
1995
                int len = ret;
1996
                int reclen;
1997
                de = dirp;
1998
                while (len > 0) {
1999
                    reclen = de->d_reclen;
2000
                    if (reclen > len)
2001
                        break;
2002
                    de->d_reclen = tswap16(reclen);
2003
                    tswapls(&de->d_ino);
2004
                    tswapls(&de->d_off);
2005
                    de = (struct dirent *)((char *)de + reclen);
2006
                    len -= reclen;
2007
                }
2008
            }
2009
        }
2010
        break;
2011
    case TARGET_NR_getdents64:
2012
        {
2013
            struct dirent64 *dirp = (void *)arg2;
2014
            long count = arg3;
2015
            ret = get_errno(sys_getdents64(arg1, dirp, count));
2016
            if (!is_error(ret)) {
2017
                struct dirent64 *de;
2018
                int len = ret;
2019
                int reclen;
2020
                de = dirp;
2021
                while (len > 0) {
2022
                    reclen = de->d_reclen;
2023
                    if (reclen > len)
2024
                        break;
2025
                    de->d_reclen = tswap16(reclen);
2026
                    tswap64s(&de->d_ino);
2027
                    tswap64s(&de->d_off);
2028
                    de = (struct dirent64 *)((char *)de + reclen);
2029
                    len -= reclen;
2030
                }
2031
            }
2032
        }
2033
        break;
2034
    case TARGET_NR__newselect:
2035
        ret = do_select(arg1, (void *)arg2, (void *)arg3, (void *)arg4, 
2036
                        (void *)arg5);
2037
        break;
2038
    case TARGET_NR_poll:
2039
        {
2040
            struct target_pollfd *target_pfd = (void *)arg1;
2041
            unsigned int nfds = arg2;
2042
            int timeout = arg3;
2043
            struct pollfd *pfd;
2044
            unsigned int i;
2045

    
2046
            pfd = alloca(sizeof(struct pollfd) * nfds);
2047
            for(i = 0; i < nfds; i++) {
2048
                pfd[i].fd = tswap32(target_pfd[i].fd);
2049
                pfd[i].events = tswap16(target_pfd[i].events);
2050
            }
2051
            ret = get_errno(poll(pfd, nfds, timeout));
2052
            if (!is_error(ret)) {
2053
                for(i = 0; i < nfds; i++) {
2054
                    target_pfd[i].revents = tswap16(pfd[i].revents);
2055
                }
2056
            }
2057
        }
2058
        break;
2059
    case TARGET_NR_flock:
2060
        /* NOTE: the flock constant seems to be the same for every
2061
           Linux platform */
2062
        ret = get_errno(flock(arg1, arg2));
2063
        break;
2064
    case TARGET_NR_readv:
2065
        {
2066
            int count = arg3;
2067
            int i;
2068
            struct iovec *vec;
2069
            struct target_iovec *target_vec = (void *)arg2;
2070

    
2071
            vec = alloca(count * sizeof(struct iovec));
2072
            for(i = 0;i < count; i++) {
2073
                vec[i].iov_base = (void *)tswapl(target_vec[i].iov_base);
2074
                vec[i].iov_len = tswapl(target_vec[i].iov_len);
2075
            }
2076
            ret = get_errno(readv(arg1, vec, count));
2077
        }
2078
        break;
2079
    case TARGET_NR_writev:
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(writev(arg1, vec, count));
2092
        }
2093
        break;
2094
    case TARGET_NR_getsid:
2095
        ret = get_errno(getsid(arg1));
2096
        break;
2097
    case TARGET_NR_fdatasync:
2098
        ret = get_errno(fdatasync(arg1));
2099
        break;
2100
    case TARGET_NR__sysctl:
2101
        goto unimplemented;
2102
    case TARGET_NR_sched_setparam:
2103
        {
2104
            struct sched_param *target_schp = (void *)arg2;
2105
            struct sched_param schp;
2106
            schp.sched_priority = tswap32(target_schp->sched_priority);
2107
            ret = get_errno(sched_setparam(arg1, &schp));
2108
        }
2109
        break;
2110
    case TARGET_NR_sched_getparam:
2111
        {
2112
            struct sched_param *target_schp = (void *)arg2;
2113
            struct sched_param schp;
2114
            ret = get_errno(sched_getparam(arg1, &schp));
2115
            if (!is_error(ret)) {
2116
                target_schp->sched_priority = tswap32(schp.sched_priority);
2117
            }
2118
        }
2119
        break;
2120
    case TARGET_NR_sched_setscheduler:
2121
        {
2122
            struct sched_param *target_schp = (void *)arg3;
2123
            struct sched_param schp;
2124
            schp.sched_priority = tswap32(target_schp->sched_priority);
2125
            ret = get_errno(sched_setscheduler(arg1, arg2, &schp));
2126
        }
2127
        break;
2128
    case TARGET_NR_sched_getscheduler:
2129
        ret = get_errno(sched_getscheduler(arg1));
2130
        break;
2131
    case TARGET_NR_sched_yield:
2132
        ret = get_errno(sched_yield());
2133
        break;
2134
    case TARGET_NR_sched_get_priority_max:
2135
        ret = get_errno(sched_get_priority_max(arg1));
2136
        break;
2137
    case TARGET_NR_sched_get_priority_min:
2138
        ret = get_errno(sched_get_priority_min(arg1));
2139
        break;
2140
    case TARGET_NR_sched_rr_get_interval:
2141
        {
2142
            struct target_timespec *target_ts = (void *)arg2;
2143
            struct timespec ts;
2144
            ret = get_errno(sched_rr_get_interval(arg1, &ts));
2145
            if (!is_error(ret)) {
2146
                target_ts->tv_sec = tswapl(ts.tv_sec);
2147
                target_ts->tv_nsec = tswapl(ts.tv_nsec);
2148
            }
2149
        }
2150
        break;
2151
    case TARGET_NR_nanosleep:
2152
        {
2153
            struct target_timespec *target_req = (void *)arg1;
2154
            struct target_timespec *target_rem = (void *)arg2;
2155
            struct timespec req, rem;
2156
            req.tv_sec = tswapl(target_req->tv_sec);
2157
            req.tv_nsec = tswapl(target_req->tv_nsec);
2158
            ret = get_errno(nanosleep(&req, &rem));
2159
            if (target_rem) {
2160
                target_rem->tv_sec = tswapl(rem.tv_sec);
2161
                target_rem->tv_nsec = tswapl(rem.tv_nsec);
2162
            }
2163
        }
2164
        break;
2165
    case TARGET_NR_setresuid:
2166
        ret = get_errno(setresuid(low2highuid(arg1), 
2167
                                  low2highuid(arg2), 
2168
                                  low2highuid(arg3)));
2169
        break;
2170
    case TARGET_NR_getresuid:
2171
        {
2172
            int ruid, euid, suid;
2173
            ret = get_errno(getresuid(&ruid, &euid, &suid));
2174
            if (!is_error(ret)) {
2175
                *(uint16_t *)arg1 = tswap16(high2lowuid(ruid));
2176
                *(uint16_t *)arg2 = tswap16(high2lowuid(euid));
2177
                *(uint16_t *)arg3 = tswap16(high2lowuid(suid));
2178
            }
2179
        }
2180
        break;
2181
    case TARGET_NR_setresgid:
2182
        ret = get_errno(setresgid(low2highgid(arg1), 
2183
                                  low2highgid(arg2), 
2184
                                  low2highgid(arg3)));
2185
        break;
2186
    case TARGET_NR_getresgid:
2187
        {
2188
            int rgid, egid, sgid;
2189
            ret = get_errno(getresgid(&rgid, &egid, &sgid));
2190
            if (!is_error(ret)) {
2191
                *(uint16_t *)arg1 = high2lowgid(tswap16(rgid));
2192
                *(uint16_t *)arg2 = high2lowgid(tswap16(egid));
2193
                *(uint16_t *)arg3 = high2lowgid(tswap16(sgid));
2194
            }
2195
        }
2196
        break;
2197
    case TARGET_NR_query_module:
2198
        goto unimplemented;
2199
    case TARGET_NR_nfsservctl:
2200
        goto unimplemented;
2201
    case TARGET_NR_prctl:
2202
        goto unimplemented;
2203
    case TARGET_NR_pread:
2204
        page_unprotect_range((void *)arg2, arg3);
2205
        ret = get_errno(pread(arg1, (void *)arg2, arg3, arg4));
2206
        break;
2207
    case TARGET_NR_pwrite:
2208
        ret = get_errno(pwrite(arg1, (void *)arg2, arg3, arg4));
2209
        break;
2210
    case TARGET_NR_chown:
2211
        ret = get_errno(chown((const char *)arg1, arg2, arg3));
2212
        break;
2213
    case TARGET_NR_getcwd:
2214
        ret = get_errno(sys_getcwd1((char *)arg1, arg2));
2215
        break;
2216
    case TARGET_NR_capget:
2217
        goto unimplemented;
2218
    case TARGET_NR_capset:
2219
        goto unimplemented;
2220
    case TARGET_NR_sigaltstack:
2221
        goto unimplemented;
2222
    case TARGET_NR_sendfile:
2223
        goto unimplemented;
2224
    case TARGET_NR_getpmsg:
2225
        goto unimplemented;
2226
    case TARGET_NR_putpmsg:
2227
        goto unimplemented;
2228
    case TARGET_NR_vfork:
2229
        ret = get_errno(do_fork(cpu_env, CLONE_VFORK | CLONE_VM | SIGCHLD, 0));
2230
        break;
2231
    case TARGET_NR_ugetrlimit:
2232
    {
2233
        struct rlimit rlim;
2234
        ret = get_errno(getrlimit(arg1, &rlim));
2235
        if (!is_error(ret)) {
2236
            struct target_rlimit *target_rlim = (void *)arg2;
2237
            target_rlim->rlim_cur = tswapl(rlim.rlim_cur);
2238
            target_rlim->rlim_max = tswapl(rlim.rlim_max);
2239
        }
2240
        break;
2241
    }
2242
    case TARGET_NR_truncate64:
2243
        goto unimplemented;
2244
    case TARGET_NR_ftruncate64:
2245
        goto unimplemented;
2246
    case TARGET_NR_stat64:
2247
        ret = get_errno(stat(path((const char *)arg1), &st));
2248
        goto do_stat64;
2249
    case TARGET_NR_lstat64:
2250
        ret = get_errno(lstat(path((const char *)arg1), &st));
2251
        goto do_stat64;
2252
    case TARGET_NR_fstat64:
2253
        {
2254
            ret = get_errno(fstat(arg1, &st));
2255
        do_stat64:
2256
            if (!is_error(ret)) {
2257
                struct target_stat64 *target_st = (void *)arg2;
2258
                memset(target_st, 0, sizeof(struct target_stat64));
2259
                target_st->st_dev = tswap16(st.st_dev);
2260
                target_st->st_ino = tswap64(st.st_ino);
2261
#ifdef TARGET_STAT64_HAS_BROKEN_ST_INO
2262
                target_st->__st_ino = tswapl(st.st_ino);
2263
#endif
2264
                target_st->st_mode = tswap32(st.st_mode);
2265
                target_st->st_nlink = tswap32(st.st_nlink);
2266
                target_st->st_uid = tswapl(st.st_uid);
2267
                target_st->st_gid = tswapl(st.st_gid);
2268
                target_st->st_rdev = tswap16(st.st_rdev);
2269
                /* XXX: better use of kernel struct */
2270
                target_st->st_size = tswap64(st.st_size);
2271
                target_st->st_blksize = tswapl(st.st_blksize);
2272
                target_st->st_blocks = tswapl(st.st_blocks);
2273
                target_st->target_st_atime = tswapl(st.st_atime);
2274
                target_st->target_st_mtime = tswapl(st.st_mtime);
2275
                target_st->target_st_ctime = tswapl(st.st_ctime);
2276
            }
2277
        }
2278
        break;
2279

    
2280
    case TARGET_NR_lchown32:
2281
        ret = get_errno(lchown((const char *)arg1, arg2, arg3));
2282
        break;
2283
    case TARGET_NR_getuid32:
2284
        ret = get_errno(getuid());
2285
        break;
2286
    case TARGET_NR_getgid32:
2287
        ret = get_errno(getgid());
2288
        break;
2289
    case TARGET_NR_geteuid32:
2290
        ret = get_errno(geteuid());
2291
        break;
2292
    case TARGET_NR_getegid32:
2293
        ret = get_errno(getegid());
2294
        break;
2295
    case TARGET_NR_setreuid32:
2296
        ret = get_errno(setreuid(arg1, arg2));
2297
        break;
2298
    case TARGET_NR_setregid32:
2299
        ret = get_errno(setregid(arg1, arg2));
2300
        break;
2301
    case TARGET_NR_getgroups32:
2302
        goto unimplemented;
2303
    case TARGET_NR_setgroups32:
2304
        goto unimplemented;
2305
    case TARGET_NR_fchown32:
2306
        ret = get_errno(fchown(arg1, arg2, arg3));
2307
        break;
2308
    case TARGET_NR_setresuid32:
2309
        ret = get_errno(setresuid(arg1, arg2, arg3));
2310
        break;
2311
    case TARGET_NR_getresuid32:
2312
        {
2313
            int ruid, euid, suid;
2314
            ret = get_errno(getresuid(&ruid, &euid, &suid));
2315
            if (!is_error(ret)) {
2316
                *(uint32_t *)arg1 = tswap32(ruid);
2317
                *(uint32_t *)arg2 = tswap32(euid);
2318
                *(uint32_t *)arg3 = tswap32(suid);
2319
            }
2320
        }
2321
        break;
2322
    case TARGET_NR_setresgid32:
2323
        ret = get_errno(setresgid(arg1, arg2, arg3));
2324
        break;
2325
    case TARGET_NR_getresgid32:
2326
        {
2327
            int rgid, egid, sgid;
2328
            ret = get_errno(getresgid(&rgid, &egid, &sgid));
2329
            if (!is_error(ret)) {
2330
                *(uint32_t *)arg1 = tswap32(rgid);
2331
                *(uint32_t *)arg2 = tswap32(egid);
2332
                *(uint32_t *)arg3 = tswap32(sgid);
2333
            }
2334
        }
2335
        break;
2336
    case TARGET_NR_chown32:
2337
        ret = get_errno(chown((const char *)arg1, arg2, arg3));
2338
        break;
2339
    case TARGET_NR_setuid32:
2340
        ret = get_errno(setuid(arg1));
2341
        break;
2342
    case TARGET_NR_setgid32:
2343
        ret = get_errno(setgid(arg1));
2344
        break;
2345
    case TARGET_NR_setfsuid32:
2346
        ret = get_errno(setfsuid(arg1));
2347
        break;
2348
    case TARGET_NR_setfsgid32:
2349
        ret = get_errno(setfsgid(arg1));
2350
        break;
2351
    case TARGET_NR_pivot_root:
2352
        goto unimplemented;
2353
    case TARGET_NR_mincore:
2354
        goto unimplemented;
2355
    case TARGET_NR_madvise:
2356
        goto unimplemented;
2357
#if TARGET_LONG_BITS == 32
2358
    case TARGET_NR_fcntl64:
2359
    {
2360
        struct flock64 fl;
2361
        struct target_flock64 *target_fl = (void *)arg3;
2362

    
2363
        switch(arg2) {
2364
        case F_GETLK64:
2365
            ret = get_errno(fcntl(arg1, arg2, &fl));
2366
            if (ret == 0) {
2367
                target_fl->l_type = tswap16(fl.l_type);
2368
                target_fl->l_whence = tswap16(fl.l_whence);
2369
                target_fl->l_start = tswap64(fl.l_start);
2370
                target_fl->l_len = tswap64(fl.l_len);
2371
                target_fl->l_pid = tswapl(fl.l_pid);
2372
            }
2373
            break;
2374

    
2375
        case F_SETLK64:
2376
        case F_SETLKW64:
2377
            fl.l_type = tswap16(target_fl->l_type);
2378
            fl.l_whence = tswap16(target_fl->l_whence);
2379
            fl.l_start = tswap64(target_fl->l_start);
2380
            fl.l_len = tswap64(target_fl->l_len);
2381
            fl.l_pid = tswapl(target_fl->l_pid);
2382
            ret = get_errno(fcntl(arg1, arg2, &fl));
2383
            break;
2384
        default:
2385
            ret = get_errno(do_fcntl(arg1, arg2, arg3));
2386
            break;
2387
        }
2388
        break;
2389
    }
2390
#endif
2391
    case TARGET_NR_security:
2392
        goto unimplemented;
2393
    case TARGET_NR_gettid:
2394
        ret = get_errno(gettid());
2395
        break;
2396
    case TARGET_NR_readahead:
2397
        goto unimplemented;
2398
    case TARGET_NR_setxattr:
2399
    case TARGET_NR_lsetxattr:
2400
    case TARGET_NR_fsetxattr:
2401
    case TARGET_NR_getxattr:
2402
    case TARGET_NR_lgetxattr:
2403
    case TARGET_NR_fgetxattr:
2404
    case TARGET_NR_listxattr:
2405
    case TARGET_NR_llistxattr:
2406
    case TARGET_NR_flistxattr:
2407
    case TARGET_NR_removexattr:
2408
    case TARGET_NR_lremovexattr:
2409
    case TARGET_NR_fremovexattr:
2410
        goto unimplemented_nowarn;
2411
    case TARGET_NR_set_thread_area:
2412
    case TARGET_NR_get_thread_area:
2413
        goto unimplemented_nowarn;
2414
    default:
2415
    unimplemented:
2416
        gemu_log("qemu: Unsupported syscall: %d\n", num);
2417
    unimplemented_nowarn:
2418
        ret = -ENOSYS;
2419
        break;
2420
    }
2421
 fail:
2422
    return ret;
2423
}
2424