Statistics
| Branch: | Revision:

root / linux-user / syscall.c @ edf779ff

History | View | Annotate | Download (89.5 kB)

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
17
 *  along with this program; if not, write to the Free Software
18
 *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
19
 */
20
#include <stdlib.h>
21
#include <stdio.h>
22
#include <stdarg.h>
23
#include <string.h>
24
#include <elf.h>
25
#include <endian.h>
26
#include <errno.h>
27
#include <unistd.h>
28
#include <fcntl.h>
29
#include <time.h>
30
#include <sys/types.h>
31
#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>
37
#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 <utime.h>
45
//#include <sys/user.h>
46
#include <netinet/tcp.h>
47

    
48
#define termios host_termios
49
#define winsize host_winsize
50
#define termio host_termio
51
#define sgttyb host_sgttyb /* same as target */
52
#define tchars host_tchars /* same as target */
53
#define ltchars host_ltchars /* same as target */
54

    
55
#include <linux/termios.h>
56
#include <linux/unistd.h>
57
#include <linux/utsname.h>
58
#include <linux/cdrom.h>
59
#include <linux/hdreg.h>
60
#include <linux/soundcard.h>
61
#include <linux/dirent.h>
62
#include <linux/kd.h>
63

    
64
#include "qemu.h"
65

    
66
//#define DEBUG
67

    
68
#if defined(TARGET_I386) || defined(TARGET_ARM) || defined(TARGET_SPARC)
69
/* 16 bit uid wrappers emulation */
70
#define USE_UID16
71
#endif
72

    
73
//#include <linux/msdos_fs.h>
74
#define        VFAT_IOCTL_READDIR_BOTH                _IOR('r', 1, struct dirent [2])
75
#define        VFAT_IOCTL_READDIR_SHORT        _IOR('r', 2, struct dirent [2])
76

    
77

    
78
#if defined(__powerpc__)
79
#undef __syscall_nr
80
#undef __sc_loadargs_0
81
#undef __sc_loadargs_1
82
#undef __sc_loadargs_2
83
#undef __sc_loadargs_3
84
#undef __sc_loadargs_4
85
#undef __sc_loadargs_5
86
#undef __sc_asm_input_0
87
#undef __sc_asm_input_1
88
#undef __sc_asm_input_2
89
#undef __sc_asm_input_3
90
#undef __sc_asm_input_4
91
#undef __sc_asm_input_5
92
#undef _syscall0
93
#undef _syscall1
94
#undef _syscall2
95
#undef _syscall3
96
#undef _syscall4
97
#undef _syscall5
98

    
99
/* need to redefine syscalls as Linux kernel defines are incorrect for
100
   the clobber list */
101
/* On powerpc a system call basically clobbers the same registers like a
102
 * function call, with the exception of LR (which is needed for the
103
 * "sc; bnslr" sequence) and CR (where only CR0.SO is clobbered to signal
104
 * an error return status).
105
 */
106

    
107
#define __syscall_nr(nr, type, name, args...)                                \
108
        unsigned long __sc_ret, __sc_err;                                \
109
        {                                                                \
110
                register unsigned long __sc_0  __asm__ ("r0");                \
111
                register unsigned long __sc_3  __asm__ ("r3");                \
112
                register unsigned long __sc_4  __asm__ ("r4");                \
113
                register unsigned long __sc_5  __asm__ ("r5");                \
114
                register unsigned long __sc_6  __asm__ ("r6");                \
115
                register unsigned long __sc_7  __asm__ ("r7");                \
116
                                                                        \
117
                __sc_loadargs_##nr(name, args);                                \
118
                __asm__ __volatile__                                        \
119
                        ("sc           \n\t"                                \
120
                         "mfcr %0      "                                \
121
                        : "=&r" (__sc_0),                                \
122
                          "=&r" (__sc_3),  "=&r" (__sc_4),                \
123
                          "=&r" (__sc_5),  "=&r" (__sc_6),                \
124
                          "=&r" (__sc_7)                                \
125
                        : __sc_asm_input_##nr                                \
126
                        : "cr0", "ctr", "memory",                        \
127
                          "r8", "r9", "r10","r11", "r12");                \
128
                __sc_ret = __sc_3;                                        \
129
                __sc_err = __sc_0;                                        \
130
        }                                                                \
131
        if (__sc_err & 0x10000000)                                        \
132
        {                                                                \
133
                errno = __sc_ret;                                        \
134
                __sc_ret = -1;                                                \
135
        }                                                                \
136
        return (type) __sc_ret
137

    
138
#define __sc_loadargs_0(name, dummy...)                                        \
139
        __sc_0 = __NR_##name
140
#define __sc_loadargs_1(name, arg1)                                        \
141
        __sc_loadargs_0(name);                                                \
142
        __sc_3 = (unsigned long) (arg1)
143
#define __sc_loadargs_2(name, arg1, arg2)                                \
144
        __sc_loadargs_1(name, arg1);                                        \
145
        __sc_4 = (unsigned long) (arg2)
146
#define __sc_loadargs_3(name, arg1, arg2, arg3)                                \
147
        __sc_loadargs_2(name, arg1, arg2);                                \
148
        __sc_5 = (unsigned long) (arg3)
149
#define __sc_loadargs_4(name, arg1, arg2, arg3, arg4)                        \
150
        __sc_loadargs_3(name, arg1, arg2, arg3);                        \
151
        __sc_6 = (unsigned long) (arg4)
152
#define __sc_loadargs_5(name, arg1, arg2, arg3, arg4, arg5)                \
153
        __sc_loadargs_4(name, arg1, arg2, arg3, arg4);                        \
154
        __sc_7 = (unsigned long) (arg5)
155

    
156
#define __sc_asm_input_0 "0" (__sc_0)
157
#define __sc_asm_input_1 __sc_asm_input_0, "1" (__sc_3)
158
#define __sc_asm_input_2 __sc_asm_input_1, "2" (__sc_4)
159
#define __sc_asm_input_3 __sc_asm_input_2, "3" (__sc_5)
160
#define __sc_asm_input_4 __sc_asm_input_3, "4" (__sc_6)
161
#define __sc_asm_input_5 __sc_asm_input_4, "5" (__sc_7)
162

    
163
#define _syscall0(type,name)                                                \
164
type name(void)                                                                \
165
{                                                                        \
166
        __syscall_nr(0, type, name);                                        \
167
}
168

    
169
#define _syscall1(type,name,type1,arg1)                                        \
170
type name(type1 arg1)                                                        \
171
{                                                                        \
172
        __syscall_nr(1, type, name, arg1);                                \
173
}
174

    
175
#define _syscall2(type,name,type1,arg1,type2,arg2)                        \
176
type name(type1 arg1, type2 arg2)                                        \
177
{                                                                        \
178
        __syscall_nr(2, type, name, arg1, arg2);                        \
179
}
180

    
181
#define _syscall3(type,name,type1,arg1,type2,arg2,type3,arg3)                \
182
type name(type1 arg1, type2 arg2, type3 arg3)                                \
183
{                                                                        \
184
        __syscall_nr(3, type, name, arg1, arg2, arg3);                        \
185
}
186

    
187
#define _syscall4(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4) \
188
type name(type1 arg1, type2 arg2, type3 arg3, type4 arg4)                \
189
{                                                                        \
190
        __syscall_nr(4, type, name, arg1, arg2, arg3, arg4);                \
191
}
192

    
193
#define _syscall5(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4,type5,arg5) \
194
type name(type1 arg1, type2 arg2, type3 arg3, type4 arg4, type5 arg5)        \
195
{                                                                        \
196
        __syscall_nr(5, type, name, arg1, arg2, arg3, arg4, arg5);        \
197
}
198
#endif
199

    
200
#define __NR_sys_uname __NR_uname
201
#define __NR_sys_getcwd1 __NR_getcwd
202
#define __NR_sys_statfs __NR_statfs
203
#define __NR_sys_fstatfs __NR_fstatfs
204
#define __NR_sys_getdents __NR_getdents
205
#define __NR_sys_getdents64 __NR_getdents64
206
#define __NR_sys_rt_sigqueueinfo __NR_rt_sigqueueinfo
207

    
208
#if defined(__alpha__) || defined (__ia64__)
209
#define __NR__llseek __NR_lseek
210
#endif
211

    
212
#ifdef __NR_gettid
213
_syscall0(int, gettid)
214
#else
215
static int gettid(void) {
216
    return -ENOSYS;
217
}
218
#endif
219
_syscall1(int,sys_uname,struct new_utsname *,buf)
220
_syscall2(int,sys_getcwd1,char *,buf,size_t,size)
221
_syscall3(int, sys_getdents, uint, fd, struct dirent *, dirp, uint, count);
222
_syscall3(int, sys_getdents64, uint, fd, struct dirent64 *, dirp, uint, count);
223
_syscall5(int, _llseek,  uint,  fd, ulong, hi, ulong, lo,
224
          loff_t *, res, uint, wh);
225
_syscall2(int,sys_statfs,const char *,path,struct kernel_statfs *,buf)
226
_syscall2(int,sys_fstatfs,int,fd,struct kernel_statfs *,buf)
227
_syscall3(int,sys_rt_sigqueueinfo,int,pid,int,sig,siginfo_t *,uinfo)
228
#ifdef __NR_exit_group
229
_syscall1(int,exit_group,int,error_code)
230
#endif
231

    
232
extern int personality(int);
233
extern int flock(int, int);
234
extern int setfsuid(int);
235
extern int setfsgid(int);
236
extern int setresuid(uid_t, uid_t, uid_t);
237
extern int getresuid(uid_t *, uid_t *, uid_t *);
238
extern int setresgid(gid_t, gid_t, gid_t);
239
extern int getresgid(gid_t *, gid_t *, gid_t *);
240
extern int setgroups(int, gid_t *);
241

    
242
static inline long get_errno(long ret)
243
{
244
    if (ret == -1)
245
        return -errno;
246
    else
247
        return ret;
248
}
249

    
250
static inline int is_error(long ret)
251
{
252
    return (unsigned long)ret >= (unsigned long)(-4096);
253
}
254

    
255
static char *target_brk;
256
static char *target_original_brk;
257

    
258
void target_set_brk(char *new_brk)
259
{
260
    target_brk = new_brk;
261
    target_original_brk = new_brk;
262
}
263

    
264
static long do_brk(char *new_brk)
265
{
266
    char *brk_page;
267
    long mapped_addr;
268
    int        new_alloc_size;
269

    
270
    if (!new_brk)
271
        return (long)target_brk;
272
    if (new_brk < target_original_brk)
273
        return -ENOMEM;
274
    
275
    brk_page = (char *)HOST_PAGE_ALIGN((unsigned long)target_brk);
276

    
277
    /* If the new brk is less than this, set it and we're done... */
278
    if (new_brk < brk_page) {
279
        target_brk = new_brk;
280
            return (long)target_brk;
281
    }
282

    
283
    /* We need to allocate more memory after the brk... */
284
    new_alloc_size = HOST_PAGE_ALIGN(new_brk - brk_page + 1);
285
    mapped_addr = get_errno(target_mmap((unsigned long)brk_page, new_alloc_size, 
286
                                        PROT_READ|PROT_WRITE,
287
                                        MAP_ANON|MAP_FIXED|MAP_PRIVATE, 0, 0));
288
    if (is_error(mapped_addr)) {
289
        return mapped_addr;
290
    } else {
291
        target_brk = new_brk;
292
            return (long)target_brk;
293
    }
294
}
295

    
296
static inline fd_set *target_to_host_fds(fd_set *fds, 
297
                                         target_long *target_fds, int n)
298
{
299
#if !defined(BSWAP_NEEDED) && !defined(WORDS_BIGENDIAN)
300
    return (fd_set *)target_fds;
301
#else
302
    int i, b;
303
    if (target_fds) {
304
        FD_ZERO(fds);
305
        for(i = 0;i < n; i++) {
306
            b = (tswapl(target_fds[i / TARGET_LONG_BITS]) >>
307
                 (i & (TARGET_LONG_BITS - 1))) & 1;
308
            if (b)
309
                FD_SET(i, fds);
310
        }
311
        return fds;
312
    } else {
313
        return NULL;
314
    }
315
#endif
316
}
317

    
318
static inline void host_to_target_fds(target_long *target_fds, 
319
                                      fd_set *fds, int n)
320
{
321
#if !defined(BSWAP_NEEDED) && !defined(WORDS_BIGENDIAN)
322
    /* nothing to do */
323
#else
324
    int i, nw, j, k;
325
    target_long v;
326

    
327
    if (target_fds) {
328
        nw = n / TARGET_LONG_BITS;
329
        k = 0;
330
        for(i = 0;i < nw; i++) {
331
            v = 0;
332
            for(j = 0; j < TARGET_LONG_BITS; j++) {
333
                v |= ((FD_ISSET(k, fds) != 0) << j);
334
                k++;
335
            }
336
            target_fds[i] = tswapl(v);
337
        }
338
    }
339
#endif
340
}
341

    
342
#if defined(__alpha__)
343
#define HOST_HZ 1024
344
#else
345
#define HOST_HZ 100
346
#endif
347

    
348
static inline long host_to_target_clock_t(long ticks)
349
{
350
#if HOST_HZ == TARGET_HZ
351
    return ticks;
352
#else
353
    return ((int64_t)ticks * TARGET_HZ) / HOST_HZ;
354
#endif
355
}
356

    
357
static inline void host_to_target_rusage(struct target_rusage *target_rusage, 
358
                                         const struct rusage *rusage)
359
{
360
    target_rusage->ru_utime.tv_sec = tswapl(rusage->ru_utime.tv_sec);
361
    target_rusage->ru_utime.tv_usec = tswapl(rusage->ru_utime.tv_usec);
362
    target_rusage->ru_stime.tv_sec = tswapl(rusage->ru_stime.tv_sec);
363
    target_rusage->ru_stime.tv_usec = tswapl(rusage->ru_stime.tv_usec);
364
    target_rusage->ru_maxrss = tswapl(rusage->ru_maxrss);
365
    target_rusage->ru_ixrss = tswapl(rusage->ru_ixrss);
366
    target_rusage->ru_idrss = tswapl(rusage->ru_idrss);
367
    target_rusage->ru_isrss = tswapl(rusage->ru_isrss);
368
    target_rusage->ru_minflt = tswapl(rusage->ru_minflt);
369
    target_rusage->ru_majflt = tswapl(rusage->ru_majflt);
370
    target_rusage->ru_nswap = tswapl(rusage->ru_nswap);
371
    target_rusage->ru_inblock = tswapl(rusage->ru_inblock);
372
    target_rusage->ru_oublock = tswapl(rusage->ru_oublock);
373
    target_rusage->ru_msgsnd = tswapl(rusage->ru_msgsnd);
374
    target_rusage->ru_msgrcv = tswapl(rusage->ru_msgrcv);
375
    target_rusage->ru_nsignals = tswapl(rusage->ru_nsignals);
376
    target_rusage->ru_nvcsw = tswapl(rusage->ru_nvcsw);
377
    target_rusage->ru_nivcsw = tswapl(rusage->ru_nivcsw);
378
}
379

    
380
static inline void target_to_host_timeval(struct timeval *tv, 
381
                                          const struct target_timeval *target_tv)
382
{
383
    tv->tv_sec = tswapl(target_tv->tv_sec);
384
    tv->tv_usec = tswapl(target_tv->tv_usec);
385
}
386

    
387
static inline void host_to_target_timeval(struct target_timeval *target_tv, 
388
                                          const struct timeval *tv)
389
{
390
    target_tv->tv_sec = tswapl(tv->tv_sec);
391
    target_tv->tv_usec = tswapl(tv->tv_usec);
392
}
393

    
394

    
395
static long do_select(long n, 
396
                      target_long *target_rfds, target_long *target_wfds, 
397
                      target_long *target_efds, struct target_timeval *target_tv)
398
{
399
    fd_set rfds, wfds, efds;
400
    fd_set *rfds_ptr, *wfds_ptr, *efds_ptr;
401
    struct timeval tv, *tv_ptr;
402
    long ret;
403

    
404
    rfds_ptr = target_to_host_fds(&rfds, target_rfds, n);
405
    wfds_ptr = target_to_host_fds(&wfds, target_wfds, n);
406
    efds_ptr = target_to_host_fds(&efds, target_efds, n);
407
            
408
    if (target_tv) {
409
        target_to_host_timeval(&tv, target_tv);
410
        tv_ptr = &tv;
411
    } else {
412
        tv_ptr = NULL;
413
    }
414
    ret = get_errno(select(n, rfds_ptr, wfds_ptr, efds_ptr, tv_ptr));
415
    if (!is_error(ret)) {
416
        host_to_target_fds(target_rfds, rfds_ptr, n);
417
        host_to_target_fds(target_wfds, wfds_ptr, n);
418
        host_to_target_fds(target_efds, efds_ptr, n);
419

    
420
        if (target_tv) {
421
            host_to_target_timeval(target_tv, &tv);
422
        }
423
    }
424
    return ret;
425
}
426

    
427
static inline void target_to_host_sockaddr(struct sockaddr *addr,
428
                                           struct target_sockaddr *target_addr,
429
                                           socklen_t len)
430
{
431
    memcpy(addr, target_addr, len);
432
    addr->sa_family = tswap16(target_addr->sa_family);
433
}
434

    
435
static inline void host_to_target_sockaddr(struct target_sockaddr *target_addr,
436
                                           struct sockaddr *addr,
437
                                           socklen_t len)
438
{
439
    memcpy(target_addr, addr, len);
440
    target_addr->sa_family = tswap16(addr->sa_family);
441
}
442

    
443
static inline void target_to_host_cmsg(struct msghdr *msgh,
444
                                       struct target_msghdr *target_msgh)
445
{
446
    struct cmsghdr *cmsg = CMSG_FIRSTHDR(msgh);
447
    struct target_cmsghdr *target_cmsg = TARGET_CMSG_FIRSTHDR(target_msgh);
448
    socklen_t space = 0;
449

    
450
    while (cmsg && target_cmsg) {
451
        void *data = CMSG_DATA(cmsg);
452
        void *target_data = TARGET_CMSG_DATA(target_cmsg);
453

    
454
        int len = tswapl(target_cmsg->cmsg_len) 
455
                  - TARGET_CMSG_ALIGN(sizeof (struct target_cmsghdr));
456

    
457
        space += CMSG_SPACE(len);
458
        if (space > msgh->msg_controllen) {
459
            space -= CMSG_SPACE(len);
460
            gemu_log("Host cmsg overflow");
461
            break;
462
        }
463

    
464
        cmsg->cmsg_level = tswap32(target_cmsg->cmsg_level);
465
        cmsg->cmsg_type = tswap32(target_cmsg->cmsg_type);
466
        cmsg->cmsg_len = CMSG_LEN(len);
467

    
468
        if (cmsg->cmsg_level != SOL_SOCKET || cmsg->cmsg_type != SCM_RIGHTS) {
469
            gemu_log("Unsupported ancillary data: %d/%d\n", cmsg->cmsg_level, cmsg->cmsg_type);
470
            memcpy(data, target_data, len);
471
        } else {
472
            int *fd = (int *)data;
473
            int *target_fd = (int *)target_data;
474
            int i, numfds = len / sizeof(int);
475

    
476
            for (i = 0; i < numfds; i++)
477
                fd[i] = tswap32(target_fd[i]);
478
        }
479

    
480
        cmsg = CMSG_NXTHDR(msgh, cmsg);
481
        target_cmsg = TARGET_CMSG_NXTHDR(target_msgh, target_cmsg);
482
    }
483

    
484
    msgh->msg_controllen = space;
485
}
486

    
487
static inline void host_to_target_cmsg(struct target_msghdr *target_msgh,
488
                                       struct msghdr *msgh)
489
{
490
    struct cmsghdr *cmsg = CMSG_FIRSTHDR(msgh);
491
    struct target_cmsghdr *target_cmsg = TARGET_CMSG_FIRSTHDR(target_msgh);
492
    socklen_t space = 0;
493

    
494
    while (cmsg && target_cmsg) {
495
        void *data = CMSG_DATA(cmsg);
496
        void *target_data = TARGET_CMSG_DATA(target_cmsg);
497

    
498
        int len = cmsg->cmsg_len - CMSG_ALIGN(sizeof (struct cmsghdr));
499

    
500
        space += TARGET_CMSG_SPACE(len);
501
        if (space > tswapl(target_msgh->msg_controllen)) {
502
            space -= TARGET_CMSG_SPACE(len);
503
            gemu_log("Target cmsg overflow");
504
            break;
505
        }
506

    
507
        target_cmsg->cmsg_level = tswap32(cmsg->cmsg_level);
508
        target_cmsg->cmsg_type = tswap32(cmsg->cmsg_type);
509
        target_cmsg->cmsg_len = tswapl(TARGET_CMSG_LEN(len));
510

    
511
        if (cmsg->cmsg_level != SOL_SOCKET || cmsg->cmsg_type != SCM_RIGHTS) {
512
            gemu_log("Unsupported ancillary data: %d/%d\n", cmsg->cmsg_level, cmsg->cmsg_type);
513
            memcpy(target_data, data, len);
514
        } else {
515
            int *fd = (int *)data;
516
            int *target_fd = (int *)target_data;
517
            int i, numfds = len / sizeof(int);
518

    
519
            for (i = 0; i < numfds; i++)
520
                target_fd[i] = tswap32(fd[i]);
521
        }
522

    
523
        cmsg = CMSG_NXTHDR(msgh, cmsg);
524
        target_cmsg = TARGET_CMSG_NXTHDR(target_msgh, target_cmsg);
525
    }
526

    
527
    msgh->msg_controllen = tswapl(space);
528
}
529

    
530
static long do_setsockopt(int sockfd, int level, int optname, 
531
                          void *optval, socklen_t optlen)
532
{
533
    if (level == SOL_TCP) {
534
        /* TCP options all take an 'int' value.  */
535
        int val;
536

    
537
        if (optlen < sizeof(uint32_t))
538
            return -EINVAL;
539

    
540
        val = tswap32(*(uint32_t *)optval);
541
        return get_errno(setsockopt(sockfd, level, optname, &val, sizeof(val)));
542
    }
543

    
544
    else if (level != SOL_SOCKET) {
545
        gemu_log("Unsupported setsockopt level: %d\n", level);
546
        return -ENOSYS;
547
    }
548

    
549
    switch (optname) {
550
    /* Options with 'int' argument.  */
551
    case SO_DEBUG:
552
    case SO_REUSEADDR:
553
    case SO_TYPE:
554
    case SO_ERROR:
555
    case SO_DONTROUTE:
556
    case SO_BROADCAST:
557
    case SO_SNDBUF:
558
    case SO_RCVBUF:
559
    case SO_KEEPALIVE:
560
    case SO_OOBINLINE:
561
    case SO_NO_CHECK:
562
    case SO_PRIORITY:
563
    case SO_BSDCOMPAT:
564
    case SO_PASSCRED:
565
    case SO_TIMESTAMP:
566
    case SO_RCVLOWAT:
567
    case SO_RCVTIMEO:
568
    case SO_SNDTIMEO:
569
    {
570
        int val;
571
        if (optlen < sizeof(uint32_t))
572
            return -EINVAL;
573
        val = tswap32(*(uint32_t *)optval);
574
        return get_errno(setsockopt(sockfd, level, optname, &val, sizeof(val)));
575
    }
576

    
577
    default:
578
        gemu_log("Unsupported setsockopt SOL_SOCKET option: %d\n", optname);
579
        return -ENOSYS;
580
    }
581
}
582

    
583
static long do_getsockopt(int sockfd, int level, int optname, 
584
                          void *optval, socklen_t *optlen)
585
{
586
    gemu_log("getsockopt not yet supported\n");
587
    return -ENOSYS;
588
}
589

    
590
static long do_socketcall(int num, int32_t *vptr)
591
{
592
    long ret;
593

    
594
    switch(num) {
595
    case SOCKOP_socket:
596
        {
597
            int domain = tswap32(vptr[0]);
598
            int type = tswap32(vptr[1]);
599
            int protocol = tswap32(vptr[2]);
600

    
601
            ret = get_errno(socket(domain, type, protocol));
602
        }
603
        break;
604
    case SOCKOP_bind:
605
        {
606
            int sockfd = tswap32(vptr[0]);
607
            void *target_addr = (void *)tswap32(vptr[1]);
608
            socklen_t addrlen = tswap32(vptr[2]);
609
            void *addr = alloca(addrlen);
610

    
611
            target_to_host_sockaddr(addr, target_addr, addrlen);
612
            ret = get_errno(bind(sockfd, addr, addrlen));
613
        }
614
        break;
615
    case SOCKOP_connect:
616
        {
617
            int sockfd = tswap32(vptr[0]);
618
            void *target_addr = (void *)tswap32(vptr[1]);
619
            socklen_t addrlen = tswap32(vptr[2]);
620
            void *addr = alloca(addrlen);
621

    
622
            target_to_host_sockaddr(addr, target_addr, addrlen);
623
            ret = get_errno(connect(sockfd, addr, addrlen));
624
        }
625
        break;
626
    case SOCKOP_listen:
627
        {
628
            int sockfd = tswap32(vptr[0]);
629
            int backlog = tswap32(vptr[1]);
630

    
631
            ret = get_errno(listen(sockfd, backlog));
632
        }
633
        break;
634
    case SOCKOP_accept:
635
        {
636
            int sockfd = tswap32(vptr[0]);
637
            void *target_addr = (void *)tswap32(vptr[1]);
638
            uint32_t *target_addrlen = (void *)tswap32(vptr[2]);
639
            socklen_t addrlen = tswap32(*target_addrlen);
640
            void *addr = alloca(addrlen);
641

    
642
            ret = get_errno(accept(sockfd, addr, &addrlen));
643
            if (!is_error(ret)) {
644
                host_to_target_sockaddr(target_addr, addr, addrlen);
645
                *target_addrlen = tswap32(addrlen);
646
            }
647
        }
648
        break;
649
    case SOCKOP_getsockname:
650
        {
651
            int sockfd = tswap32(vptr[0]);
652
            void *target_addr = (void *)tswap32(vptr[1]);
653
            uint32_t *target_addrlen = (void *)tswap32(vptr[2]);
654
            socklen_t addrlen = tswap32(*target_addrlen);
655
            void *addr = alloca(addrlen);
656

    
657
            ret = get_errno(getsockname(sockfd, addr, &addrlen));
658
            if (!is_error(ret)) {
659
                host_to_target_sockaddr(target_addr, addr, addrlen);
660
                *target_addrlen = tswap32(addrlen);
661
            }
662
        }
663
        break;
664
    case SOCKOP_getpeername:
665
        {
666
            int sockfd = tswap32(vptr[0]);
667
            void *target_addr = (void *)tswap32(vptr[1]);
668
            uint32_t *target_addrlen = (void *)tswap32(vptr[2]);
669
            socklen_t addrlen = tswap32(*target_addrlen);
670
            void *addr = alloca(addrlen);
671

    
672
            ret = get_errno(getpeername(sockfd, addr, &addrlen));
673
            if (!is_error(ret)) {
674
                host_to_target_sockaddr(target_addr, addr, addrlen);
675
                *target_addrlen = tswap32(addrlen);
676
            }
677
        }
678
        break;
679
    case SOCKOP_socketpair:
680
        {
681
            int domain = tswap32(vptr[0]);
682
            int type = tswap32(vptr[1]);
683
            int protocol = tswap32(vptr[2]);
684
            int32_t *target_tab = (void *)tswap32(vptr[3]);
685
            int tab[2];
686

    
687
            ret = get_errno(socketpair(domain, type, protocol, tab));
688
            if (!is_error(ret)) {
689
                target_tab[0] = tswap32(tab[0]);
690
                target_tab[1] = tswap32(tab[1]);
691
            }
692
        }
693
        break;
694
    case SOCKOP_send:
695
        {
696
            int sockfd = tswap32(vptr[0]);
697
            void *msg = (void *)tswap32(vptr[1]);
698
            size_t len = tswap32(vptr[2]);
699
            int flags = tswap32(vptr[3]);
700

    
701
            ret = get_errno(send(sockfd, msg, len, flags));
702
        }
703
        break;
704
    case SOCKOP_recv:
705
        {
706
            int sockfd = tswap32(vptr[0]);
707
            void *msg = (void *)tswap32(vptr[1]);
708
            size_t len = tswap32(vptr[2]);
709
            int flags = tswap32(vptr[3]);
710

    
711
            ret = get_errno(recv(sockfd, msg, len, flags));
712
        }
713
        break;
714
    case SOCKOP_sendto:
715
        {
716
            int sockfd = tswap32(vptr[0]);
717
            void *msg = (void *)tswap32(vptr[1]);
718
            size_t len = tswap32(vptr[2]);
719
            int flags = tswap32(vptr[3]);
720
            void *target_addr = (void *)tswap32(vptr[4]);
721
            socklen_t addrlen = tswap32(vptr[5]);
722
            void *addr = alloca(addrlen);
723

    
724
            target_to_host_sockaddr(addr, target_addr, addrlen);
725
            ret = get_errno(sendto(sockfd, msg, len, flags, addr, addrlen));
726
        }
727
        break;
728
    case SOCKOP_recvfrom:
729
        {
730
            int sockfd = tswap32(vptr[0]);
731
            void *msg = (void *)tswap32(vptr[1]);
732
            size_t len = tswap32(vptr[2]);
733
            int flags = tswap32(vptr[3]);
734
            void *target_addr = (void *)tswap32(vptr[4]);
735
            uint32_t *target_addrlen = (void *)tswap32(vptr[5]);
736
            socklen_t addrlen = tswap32(*target_addrlen);
737
            void *addr = alloca(addrlen);
738

    
739
            ret = get_errno(recvfrom(sockfd, msg, len, flags, addr, &addrlen));
740
            if (!is_error(ret)) {
741
                host_to_target_sockaddr(target_addr, addr, addrlen);
742
                *target_addrlen = tswap32(addrlen);
743
            }
744
        }
745
        break;
746
    case SOCKOP_shutdown:
747
        {
748
            int sockfd = tswap32(vptr[0]);
749
            int how = tswap32(vptr[1]);
750

    
751
            ret = get_errno(shutdown(sockfd, how));
752
        }
753
        break;
754
    case SOCKOP_sendmsg:
755
    case SOCKOP_recvmsg:
756
        {
757
            int fd;
758
            struct target_msghdr *msgp;
759
            struct msghdr msg;
760
            int flags, count, i;
761
            struct iovec *vec;
762
            struct target_iovec *target_vec;
763

    
764
            msgp = (void *)tswap32(vptr[1]);
765
            msg.msg_name = (void *)tswapl(msgp->msg_name);
766
            msg.msg_namelen = tswapl(msgp->msg_namelen);
767
            msg.msg_controllen = 2 * tswapl(msgp->msg_controllen);
768
            msg.msg_control = alloca(msg.msg_controllen);
769
            msg.msg_flags = tswap32(msgp->msg_flags);
770

    
771
            count = tswapl(msgp->msg_iovlen);
772
            vec = alloca(count * sizeof(struct iovec));
773
            target_vec = (void *)tswapl(msgp->msg_iov);
774
            for(i = 0;i < count; i++) {
775
                vec[i].iov_base = (void *)tswapl(target_vec[i].iov_base);
776
                vec[i].iov_len = tswapl(target_vec[i].iov_len);
777
            }
778
            msg.msg_iovlen = count;
779
            msg.msg_iov = vec;
780

    
781
            fd = tswap32(vptr[0]);
782
            flags = tswap32(vptr[2]);
783
            if (num == SOCKOP_sendmsg) {
784
                target_to_host_cmsg(&msg, msgp);
785
                ret = get_errno(sendmsg(fd, &msg, flags));
786
            } else {
787
                ret = get_errno(recvmsg(fd, &msg, flags));
788
                if (!is_error(ret))
789
                  host_to_target_cmsg(msgp, &msg);
790
            }
791
        }
792
        break;
793
    case SOCKOP_setsockopt:
794
        {
795
            int sockfd = tswap32(vptr[0]);
796
            int level = tswap32(vptr[1]);
797
            int optname = tswap32(vptr[2]);
798
            void *optval = (void *)tswap32(vptr[3]);
799
            socklen_t optlen = tswap32(vptr[4]);
800

    
801
            ret = do_setsockopt(sockfd, level, optname, optval, optlen);
802
        }
803
        break;
804
    case SOCKOP_getsockopt:
805
        {
806
            int sockfd = tswap32(vptr[0]);
807
            int level = tswap32(vptr[1]);
808
            int optname = tswap32(vptr[2]);
809
            void *optval = (void *)tswap32(vptr[3]);
810
            uint32_t *target_len = (void *)tswap32(vptr[4]);
811
            socklen_t optlen = tswap32(*target_len);
812

    
813
            ret = do_getsockopt(sockfd, level, optname, optval, &optlen);
814
            if (!is_error(ret))
815
                *target_len = tswap32(optlen);
816
        }
817
        break;
818
    default:
819
        gemu_log("Unsupported socketcall: %d\n", num);
820
        ret = -ENOSYS;
821
        break;
822
    }
823
    return ret;
824
}
825

    
826
/* kernel structure types definitions */
827
#define IFNAMSIZ        16
828

    
829
#define STRUCT(name, list...) STRUCT_ ## name,
830
#define STRUCT_SPECIAL(name) STRUCT_ ## name,
831
enum {
832
#include "syscall_types.h"
833
};
834
#undef STRUCT
835
#undef STRUCT_SPECIAL
836

    
837
#define STRUCT(name, list...) const argtype struct_ ## name ## _def[] = { list, TYPE_NULL };
838
#define STRUCT_SPECIAL(name)
839
#include "syscall_types.h"
840
#undef STRUCT
841
#undef STRUCT_SPECIAL
842

    
843
typedef struct IOCTLEntry {
844
    unsigned int target_cmd;
845
    unsigned int host_cmd;
846
    const char *name;
847
    int access;
848
    const argtype arg_type[5];
849
} IOCTLEntry;
850

    
851
#define IOC_R 0x0001
852
#define IOC_W 0x0002
853
#define IOC_RW (IOC_R | IOC_W)
854

    
855
#define MAX_STRUCT_SIZE 4096
856

    
857
IOCTLEntry ioctl_entries[] = {
858
#define IOCTL(cmd, access, types...) \
859
    { TARGET_ ## cmd, cmd, #cmd, access, { types } },
860
#include "ioctls.h"
861
    { 0, 0, },
862
};
863

    
864
static long do_ioctl(long fd, long cmd, long arg)
865
{
866
    const IOCTLEntry *ie;
867
    const argtype *arg_type;
868
    long ret;
869
    uint8_t buf_temp[MAX_STRUCT_SIZE];
870

    
871
    ie = ioctl_entries;
872
    for(;;) {
873
        if (ie->target_cmd == 0) {
874
            gemu_log("Unsupported ioctl: cmd=0x%04lx\n", cmd);
875
            return -ENOSYS;
876
        }
877
        if (ie->target_cmd == cmd)
878
            break;
879
        ie++;
880
    }
881
    arg_type = ie->arg_type;
882
#if defined(DEBUG)
883
    gemu_log("ioctl: cmd=0x%04lx (%s)\n", cmd, ie->name);
884
#endif
885
    switch(arg_type[0]) {
886
    case TYPE_NULL:
887
        /* no argument */
888
        ret = get_errno(ioctl(fd, ie->host_cmd));
889
        break;
890
    case TYPE_PTRVOID:
891
    case TYPE_INT:
892
        /* int argment */
893
        ret = get_errno(ioctl(fd, ie->host_cmd, arg));
894
        break;
895
    case TYPE_PTR:
896
        arg_type++;
897
        switch(ie->access) {
898
        case IOC_R:
899
            ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp));
900
            if (!is_error(ret)) {
901
                thunk_convert((void *)arg, buf_temp, arg_type, THUNK_TARGET);
902
            }
903
            break;
904
        case IOC_W:
905
            thunk_convert(buf_temp, (void *)arg, arg_type, THUNK_HOST);
906
            ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp));
907
            break;
908
        default:
909
        case IOC_RW:
910
            thunk_convert(buf_temp, (void *)arg, arg_type, THUNK_HOST);
911
            ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp));
912
            if (!is_error(ret)) {
913
                thunk_convert((void *)arg, buf_temp, arg_type, THUNK_TARGET);
914
            }
915
            break;
916
        }
917
        break;
918
    default:
919
        gemu_log("Unsupported ioctl type: cmd=0x%04lx type=%d\n", cmd, arg_type[0]);
920
        ret = -ENOSYS;
921
        break;
922
    }
923
    return ret;
924
}
925

    
926
bitmask_transtbl iflag_tbl[] = {
927
        { TARGET_IGNBRK, TARGET_IGNBRK, IGNBRK, IGNBRK },
928
        { TARGET_BRKINT, TARGET_BRKINT, BRKINT, BRKINT },
929
        { TARGET_IGNPAR, TARGET_IGNPAR, IGNPAR, IGNPAR },
930
        { TARGET_PARMRK, TARGET_PARMRK, PARMRK, PARMRK },
931
        { TARGET_INPCK, TARGET_INPCK, INPCK, INPCK },
932
        { TARGET_ISTRIP, TARGET_ISTRIP, ISTRIP, ISTRIP },
933
        { TARGET_INLCR, TARGET_INLCR, INLCR, INLCR },
934
        { TARGET_IGNCR, TARGET_IGNCR, IGNCR, IGNCR },
935
        { TARGET_ICRNL, TARGET_ICRNL, ICRNL, ICRNL },
936
        { TARGET_IUCLC, TARGET_IUCLC, IUCLC, IUCLC },
937
        { TARGET_IXON, TARGET_IXON, IXON, IXON },
938
        { TARGET_IXANY, TARGET_IXANY, IXANY, IXANY },
939
        { TARGET_IXOFF, TARGET_IXOFF, IXOFF, IXOFF },
940
        { TARGET_IMAXBEL, TARGET_IMAXBEL, IMAXBEL, IMAXBEL },
941
        { 0, 0, 0, 0 }
942
};
943

    
944
bitmask_transtbl oflag_tbl[] = {
945
        { TARGET_OPOST, TARGET_OPOST, OPOST, OPOST },
946
        { TARGET_OLCUC, TARGET_OLCUC, OLCUC, OLCUC },
947
        { TARGET_ONLCR, TARGET_ONLCR, ONLCR, ONLCR },
948
        { TARGET_OCRNL, TARGET_OCRNL, OCRNL, OCRNL },
949
        { TARGET_ONOCR, TARGET_ONOCR, ONOCR, ONOCR },
950
        { TARGET_ONLRET, TARGET_ONLRET, ONLRET, ONLRET },
951
        { TARGET_OFILL, TARGET_OFILL, OFILL, OFILL },
952
        { TARGET_OFDEL, TARGET_OFDEL, OFDEL, OFDEL },
953
        { TARGET_NLDLY, TARGET_NL0, NLDLY, NL0 },
954
        { TARGET_NLDLY, TARGET_NL1, NLDLY, NL1 },
955
        { TARGET_CRDLY, TARGET_CR0, CRDLY, CR0 },
956
        { TARGET_CRDLY, TARGET_CR1, CRDLY, CR1 },
957
        { TARGET_CRDLY, TARGET_CR2, CRDLY, CR2 },
958
        { TARGET_CRDLY, TARGET_CR3, CRDLY, CR3 },
959
        { TARGET_TABDLY, TARGET_TAB0, TABDLY, TAB0 },
960
        { TARGET_TABDLY, TARGET_TAB1, TABDLY, TAB1 },
961
        { TARGET_TABDLY, TARGET_TAB2, TABDLY, TAB2 },
962
        { TARGET_TABDLY, TARGET_TAB3, TABDLY, TAB3 },
963
        { TARGET_BSDLY, TARGET_BS0, BSDLY, BS0 },
964
        { TARGET_BSDLY, TARGET_BS1, BSDLY, BS1 },
965
        { TARGET_VTDLY, TARGET_VT0, VTDLY, VT0 },
966
        { TARGET_VTDLY, TARGET_VT1, VTDLY, VT1 },
967
        { TARGET_FFDLY, TARGET_FF0, FFDLY, FF0 },
968
        { TARGET_FFDLY, TARGET_FF1, FFDLY, FF1 },
969
        { 0, 0, 0, 0 }
970
};
971

    
972
bitmask_transtbl cflag_tbl[] = {
973
        { TARGET_CBAUD, TARGET_B0, CBAUD, B0 },
974
        { TARGET_CBAUD, TARGET_B50, CBAUD, B50 },
975
        { TARGET_CBAUD, TARGET_B75, CBAUD, B75 },
976
        { TARGET_CBAUD, TARGET_B110, CBAUD, B110 },
977
        { TARGET_CBAUD, TARGET_B134, CBAUD, B134 },
978
        { TARGET_CBAUD, TARGET_B150, CBAUD, B150 },
979
        { TARGET_CBAUD, TARGET_B200, CBAUD, B200 },
980
        { TARGET_CBAUD, TARGET_B300, CBAUD, B300 },
981
        { TARGET_CBAUD, TARGET_B600, CBAUD, B600 },
982
        { TARGET_CBAUD, TARGET_B1200, CBAUD, B1200 },
983
        { TARGET_CBAUD, TARGET_B1800, CBAUD, B1800 },
984
        { TARGET_CBAUD, TARGET_B2400, CBAUD, B2400 },
985
        { TARGET_CBAUD, TARGET_B4800, CBAUD, B4800 },
986
        { TARGET_CBAUD, TARGET_B9600, CBAUD, B9600 },
987
        { TARGET_CBAUD, TARGET_B19200, CBAUD, B19200 },
988
        { TARGET_CBAUD, TARGET_B38400, CBAUD, B38400 },
989
        { TARGET_CBAUD, TARGET_B57600, CBAUD, B57600 },
990
        { TARGET_CBAUD, TARGET_B115200, CBAUD, B115200 },
991
        { TARGET_CBAUD, TARGET_B230400, CBAUD, B230400 },
992
        { TARGET_CBAUD, TARGET_B460800, CBAUD, B460800 },
993
        { TARGET_CSIZE, TARGET_CS5, CSIZE, CS5 },
994
        { TARGET_CSIZE, TARGET_CS6, CSIZE, CS6 },
995
        { TARGET_CSIZE, TARGET_CS7, CSIZE, CS7 },
996
        { TARGET_CSIZE, TARGET_CS8, CSIZE, CS8 },
997
        { TARGET_CSTOPB, TARGET_CSTOPB, CSTOPB, CSTOPB },
998
        { TARGET_CREAD, TARGET_CREAD, CREAD, CREAD },
999
        { TARGET_PARENB, TARGET_PARENB, PARENB, PARENB },
1000
        { TARGET_PARODD, TARGET_PARODD, PARODD, PARODD },
1001
        { TARGET_HUPCL, TARGET_HUPCL, HUPCL, HUPCL },
1002
        { TARGET_CLOCAL, TARGET_CLOCAL, CLOCAL, CLOCAL },
1003
        { TARGET_CRTSCTS, TARGET_CRTSCTS, CRTSCTS, CRTSCTS },
1004
        { 0, 0, 0, 0 }
1005
};
1006

    
1007
bitmask_transtbl lflag_tbl[] = {
1008
        { TARGET_ISIG, TARGET_ISIG, ISIG, ISIG },
1009
        { TARGET_ICANON, TARGET_ICANON, ICANON, ICANON },
1010
        { TARGET_XCASE, TARGET_XCASE, XCASE, XCASE },
1011
        { TARGET_ECHO, TARGET_ECHO, ECHO, ECHO },
1012
        { TARGET_ECHOE, TARGET_ECHOE, ECHOE, ECHOE },
1013
        { TARGET_ECHOK, TARGET_ECHOK, ECHOK, ECHOK },
1014
        { TARGET_ECHONL, TARGET_ECHONL, ECHONL, ECHONL },
1015
        { TARGET_NOFLSH, TARGET_NOFLSH, NOFLSH, NOFLSH },
1016
        { TARGET_TOSTOP, TARGET_TOSTOP, TOSTOP, TOSTOP },
1017
        { TARGET_ECHOCTL, TARGET_ECHOCTL, ECHOCTL, ECHOCTL },
1018
        { TARGET_ECHOPRT, TARGET_ECHOPRT, ECHOPRT, ECHOPRT },
1019
        { TARGET_ECHOKE, TARGET_ECHOKE, ECHOKE, ECHOKE },
1020
        { TARGET_FLUSHO, TARGET_FLUSHO, FLUSHO, FLUSHO },
1021
        { TARGET_PENDIN, TARGET_PENDIN, PENDIN, PENDIN },
1022
        { TARGET_IEXTEN, TARGET_IEXTEN, IEXTEN, IEXTEN },
1023
        { 0, 0, 0, 0 }
1024
};
1025

    
1026
static void target_to_host_termios (void *dst, const void *src)
1027
{
1028
    struct host_termios *host = dst;
1029
    const struct target_termios *target = src;
1030
    
1031
    host->c_iflag = 
1032
        target_to_host_bitmask(tswap32(target->c_iflag), iflag_tbl);
1033
    host->c_oflag = 
1034
        target_to_host_bitmask(tswap32(target->c_oflag), oflag_tbl);
1035
    host->c_cflag = 
1036
        target_to_host_bitmask(tswap32(target->c_cflag), cflag_tbl);
1037
    host->c_lflag = 
1038
        target_to_host_bitmask(tswap32(target->c_lflag), lflag_tbl);
1039
    host->c_line = target->c_line;
1040
    
1041
    host->c_cc[VINTR] = target->c_cc[TARGET_VINTR]; 
1042
    host->c_cc[VQUIT] = target->c_cc[TARGET_VQUIT]; 
1043
    host->c_cc[VERASE] = target->c_cc[TARGET_VERASE];       
1044
    host->c_cc[VKILL] = target->c_cc[TARGET_VKILL]; 
1045
    host->c_cc[VEOF] = target->c_cc[TARGET_VEOF];   
1046
    host->c_cc[VTIME] = target->c_cc[TARGET_VTIME]; 
1047
    host->c_cc[VMIN] = target->c_cc[TARGET_VMIN];   
1048
    host->c_cc[VSWTC] = target->c_cc[TARGET_VSWTC]; 
1049
    host->c_cc[VSTART] = target->c_cc[TARGET_VSTART];       
1050
    host->c_cc[VSTOP] = target->c_cc[TARGET_VSTOP]; 
1051
    host->c_cc[VSUSP] = target->c_cc[TARGET_VSUSP]; 
1052
    host->c_cc[VEOL] = target->c_cc[TARGET_VEOL];   
1053
    host->c_cc[VREPRINT] = target->c_cc[TARGET_VREPRINT];   
1054
    host->c_cc[VDISCARD] = target->c_cc[TARGET_VDISCARD];   
1055
    host->c_cc[VWERASE] = target->c_cc[TARGET_VWERASE];     
1056
    host->c_cc[VLNEXT] = target->c_cc[TARGET_VLNEXT];       
1057
    host->c_cc[VEOL2] = target->c_cc[TARGET_VEOL2]; 
1058
}
1059
  
1060
static void host_to_target_termios (void *dst, const void *src)
1061
{
1062
    struct target_termios *target = dst;
1063
    const struct host_termios *host = src;
1064

    
1065
    target->c_iflag = 
1066
        tswap32(host_to_target_bitmask(host->c_iflag, iflag_tbl));
1067
    target->c_oflag = 
1068
        tswap32(host_to_target_bitmask(host->c_oflag, oflag_tbl));
1069
    target->c_cflag = 
1070
        tswap32(host_to_target_bitmask(host->c_cflag, cflag_tbl));
1071
    target->c_lflag = 
1072
        tswap32(host_to_target_bitmask(host->c_lflag, lflag_tbl));
1073
    target->c_line = host->c_line;
1074
  
1075
    target->c_cc[TARGET_VINTR] = host->c_cc[VINTR];
1076
    target->c_cc[TARGET_VQUIT] = host->c_cc[VQUIT];
1077
    target->c_cc[TARGET_VERASE] = host->c_cc[VERASE];
1078
    target->c_cc[TARGET_VKILL] = host->c_cc[VKILL];
1079
    target->c_cc[TARGET_VEOF] = host->c_cc[VEOF];
1080
    target->c_cc[TARGET_VTIME] = host->c_cc[VTIME];
1081
    target->c_cc[TARGET_VMIN] = host->c_cc[VMIN];
1082
    target->c_cc[TARGET_VSWTC] = host->c_cc[VSWTC];
1083
    target->c_cc[TARGET_VSTART] = host->c_cc[VSTART];
1084
    target->c_cc[TARGET_VSTOP] = host->c_cc[VSTOP];
1085
    target->c_cc[TARGET_VSUSP] = host->c_cc[VSUSP];
1086
    target->c_cc[TARGET_VEOL] = host->c_cc[VEOL];
1087
    target->c_cc[TARGET_VREPRINT] = host->c_cc[VREPRINT];
1088
    target->c_cc[TARGET_VDISCARD] = host->c_cc[VDISCARD];
1089
    target->c_cc[TARGET_VWERASE] = host->c_cc[VWERASE];
1090
    target->c_cc[TARGET_VLNEXT] = host->c_cc[VLNEXT];
1091
    target->c_cc[TARGET_VEOL2] = host->c_cc[VEOL2];
1092
}
1093

    
1094
StructEntry struct_termios_def = {
1095
    .convert = { host_to_target_termios, target_to_host_termios },
1096
    .size = { sizeof(struct target_termios), sizeof(struct host_termios) },
1097
    .align = { __alignof__(struct target_termios), __alignof__(struct host_termios) },
1098
};
1099

    
1100
static bitmask_transtbl mmap_flags_tbl[] = {
1101
        { TARGET_MAP_SHARED, TARGET_MAP_SHARED, MAP_SHARED, MAP_SHARED },
1102
        { TARGET_MAP_PRIVATE, TARGET_MAP_PRIVATE, MAP_PRIVATE, MAP_PRIVATE },
1103
        { TARGET_MAP_FIXED, TARGET_MAP_FIXED, MAP_FIXED, MAP_FIXED },
1104
        { TARGET_MAP_ANONYMOUS, TARGET_MAP_ANONYMOUS, MAP_ANONYMOUS, MAP_ANONYMOUS },
1105
        { TARGET_MAP_GROWSDOWN, TARGET_MAP_GROWSDOWN, MAP_GROWSDOWN, MAP_GROWSDOWN },
1106
        { TARGET_MAP_DENYWRITE, TARGET_MAP_DENYWRITE, MAP_DENYWRITE, MAP_DENYWRITE },
1107
        { TARGET_MAP_EXECUTABLE, TARGET_MAP_EXECUTABLE, MAP_EXECUTABLE, MAP_EXECUTABLE },
1108
        { TARGET_MAP_LOCKED, TARGET_MAP_LOCKED, MAP_LOCKED, MAP_LOCKED },
1109
        { 0, 0, 0, 0 }
1110
};
1111

    
1112
static bitmask_transtbl fcntl_flags_tbl[] = {
1113
        { TARGET_O_ACCMODE,   TARGET_O_WRONLY,    O_ACCMODE,   O_WRONLY,    },
1114
        { TARGET_O_ACCMODE,   TARGET_O_RDWR,      O_ACCMODE,   O_RDWR,      },
1115
        { TARGET_O_CREAT,     TARGET_O_CREAT,     O_CREAT,     O_CREAT,     },
1116
        { TARGET_O_EXCL,      TARGET_O_EXCL,      O_EXCL,      O_EXCL,      },
1117
        { TARGET_O_NOCTTY,    TARGET_O_NOCTTY,    O_NOCTTY,    O_NOCTTY,    },
1118
        { TARGET_O_TRUNC,     TARGET_O_TRUNC,     O_TRUNC,     O_TRUNC,     },
1119
        { TARGET_O_APPEND,    TARGET_O_APPEND,    O_APPEND,    O_APPEND,    },
1120
        { TARGET_O_NONBLOCK,  TARGET_O_NONBLOCK,  O_NONBLOCK,  O_NONBLOCK,  },
1121
        { TARGET_O_SYNC,      TARGET_O_SYNC,      O_SYNC,      O_SYNC,      },
1122
        { TARGET_FASYNC,      TARGET_FASYNC,      FASYNC,      FASYNC,      },
1123
        { TARGET_O_DIRECTORY, TARGET_O_DIRECTORY, O_DIRECTORY, O_DIRECTORY, },
1124
        { TARGET_O_NOFOLLOW,  TARGET_O_NOFOLLOW,  O_NOFOLLOW,  O_NOFOLLOW,  },
1125
        { TARGET_O_LARGEFILE, TARGET_O_LARGEFILE, O_LARGEFILE, O_LARGEFILE, },
1126
#if defined(O_DIRECT)
1127
        { TARGET_O_DIRECT,    TARGET_O_DIRECT,    O_DIRECT,    O_DIRECT,    },
1128
#endif
1129
        { 0, 0, 0, 0 }
1130
};
1131

    
1132
#if defined(TARGET_I386)
1133

    
1134
/* NOTE: there is really one LDT for all the threads */
1135
uint8_t *ldt_table;
1136

    
1137
static int read_ldt(void *ptr, unsigned long bytecount)
1138
{
1139
    int size;
1140

    
1141
    if (!ldt_table)
1142
        return 0;
1143
    size = TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE;
1144
    if (size > bytecount)
1145
        size = bytecount;
1146
    memcpy(ptr, ldt_table, size);
1147
    return size;
1148
}
1149

    
1150
/* XXX: add locking support */
1151
static int write_ldt(CPUX86State *env, 
1152
                     void *ptr, unsigned long bytecount, int oldmode)
1153
{
1154
    struct target_modify_ldt_ldt_s ldt_info;
1155
    int seg_32bit, contents, read_exec_only, limit_in_pages;
1156
    int seg_not_present, useable;
1157
    uint32_t *lp, entry_1, entry_2;
1158

    
1159
    if (bytecount != sizeof(ldt_info))
1160
        return -EINVAL;
1161
    memcpy(&ldt_info, ptr, sizeof(ldt_info));
1162
    tswap32s(&ldt_info.entry_number);
1163
    tswapls((long *)&ldt_info.base_addr);
1164
    tswap32s(&ldt_info.limit);
1165
    tswap32s(&ldt_info.flags);
1166
    
1167
    if (ldt_info.entry_number >= TARGET_LDT_ENTRIES)
1168
        return -EINVAL;
1169
    seg_32bit = ldt_info.flags & 1;
1170
    contents = (ldt_info.flags >> 1) & 3;
1171
    read_exec_only = (ldt_info.flags >> 3) & 1;
1172
    limit_in_pages = (ldt_info.flags >> 4) & 1;
1173
    seg_not_present = (ldt_info.flags >> 5) & 1;
1174
    useable = (ldt_info.flags >> 6) & 1;
1175

    
1176
    if (contents == 3) {
1177
        if (oldmode)
1178
            return -EINVAL;
1179
        if (seg_not_present == 0)
1180
            return -EINVAL;
1181
    }
1182
    /* allocate the LDT */
1183
    if (!ldt_table) {
1184
        ldt_table = malloc(TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE);
1185
        if (!ldt_table)
1186
            return -ENOMEM;
1187
        memset(ldt_table, 0, TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE);
1188
        env->ldt.base = ldt_table;
1189
        env->ldt.limit = 0xffff;
1190
    }
1191

    
1192
    /* NOTE: same code as Linux kernel */
1193
    /* Allow LDTs to be cleared by the user. */
1194
    if (ldt_info.base_addr == 0 && ldt_info.limit == 0) {
1195
        if (oldmode ||
1196
            (contents == 0                &&
1197
             read_exec_only == 1        &&
1198
             seg_32bit == 0                &&
1199
             limit_in_pages == 0        &&
1200
             seg_not_present == 1        &&
1201
             useable == 0 )) {
1202
            entry_1 = 0;
1203
            entry_2 = 0;
1204
            goto install;
1205
        }
1206
    }
1207
    
1208
    entry_1 = ((ldt_info.base_addr & 0x0000ffff) << 16) |
1209
        (ldt_info.limit & 0x0ffff);
1210
    entry_2 = (ldt_info.base_addr & 0xff000000) |
1211
        ((ldt_info.base_addr & 0x00ff0000) >> 16) |
1212
        (ldt_info.limit & 0xf0000) |
1213
        ((read_exec_only ^ 1) << 9) |
1214
        (contents << 10) |
1215
        ((seg_not_present ^ 1) << 15) |
1216
        (seg_32bit << 22) |
1217
        (limit_in_pages << 23) |
1218
        0x7000;
1219
    if (!oldmode)
1220
        entry_2 |= (useable << 20);
1221

    
1222
    /* Install the new entry ...  */
1223
install:
1224
    lp = (uint32_t *)(ldt_table + (ldt_info.entry_number << 3));
1225
    lp[0] = tswap32(entry_1);
1226
    lp[1] = tswap32(entry_2);
1227
    return 0;
1228
}
1229

    
1230
/* specific and weird i386 syscalls */
1231
int do_modify_ldt(CPUX86State *env, int func, void *ptr, unsigned long bytecount)
1232
{
1233
    int ret = -ENOSYS;
1234
    
1235
    switch (func) {
1236
    case 0:
1237
        ret = read_ldt(ptr, bytecount);
1238
        break;
1239
    case 1:
1240
        ret = write_ldt(env, ptr, bytecount, 1);
1241
        break;
1242
    case 0x11:
1243
        ret = write_ldt(env, ptr, bytecount, 0);
1244
        break;
1245
    }
1246
    return ret;
1247
}
1248

    
1249
#endif /* defined(TARGET_I386) */
1250

    
1251
/* this stack is the equivalent of the kernel stack associated with a
1252
   thread/process */
1253
#define NEW_STACK_SIZE 8192
1254

    
1255
static int clone_func(void *arg)
1256
{
1257
    CPUState *env = arg;
1258
    cpu_loop(env);
1259
    /* never exits */
1260
    return 0;
1261
}
1262

    
1263
int do_fork(CPUState *env, unsigned int flags, unsigned long newsp)
1264
{
1265
    int ret;
1266
    TaskState *ts;
1267
    uint8_t *new_stack;
1268
    CPUState *new_env;
1269
    
1270
    if (flags & CLONE_VM) {
1271
        ts = malloc(sizeof(TaskState) + NEW_STACK_SIZE);
1272
        memset(ts, 0, sizeof(TaskState));
1273
        new_stack = ts->stack;
1274
        ts->used = 1;
1275
        /* add in task state list */
1276
        ts->next = first_task_state;
1277
        first_task_state = ts;
1278
        /* we create a new CPU instance. */
1279
        new_env = cpu_init();
1280
        memcpy(new_env, env, sizeof(CPUState));
1281
#if defined(TARGET_I386)
1282
        if (!newsp)
1283
            newsp = env->regs[R_ESP];
1284
        new_env->regs[R_ESP] = newsp;
1285
        new_env->regs[R_EAX] = 0;
1286
#elif defined(TARGET_ARM)
1287
        if (!newsp)
1288
            newsp = env->regs[13];
1289
        new_env->regs[13] = newsp;
1290
        new_env->regs[0] = 0;
1291
#elif defined(TARGET_SPARC)
1292
        printf ("HELPME: %s:%d\n", __FILE__, __LINE__);
1293
#elif defined(TARGET_PPC)
1294
        if (!newsp)
1295
            newsp = env->gpr[1];
1296
        new_env->gpr[1] = newsp;
1297
        { 
1298
            int i;
1299
            for (i = 7; i < 32; i++)
1300
                new_env->gpr[i] = 0;
1301
        }
1302
#else
1303
#error unsupported target CPU
1304
#endif
1305
        new_env->opaque = ts;
1306
#ifdef __ia64__
1307
        ret = clone2(clone_func, new_stack + NEW_STACK_SIZE, flags, new_env);
1308
#else
1309
        ret = clone(clone_func, new_stack + NEW_STACK_SIZE, flags, new_env);
1310
#endif
1311
    } else {
1312
        /* if no CLONE_VM, we consider it is a fork */
1313
        if ((flags & ~CSIGNAL) != 0)
1314
            return -EINVAL;
1315
        ret = fork();
1316
    }
1317
    return ret;
1318
}
1319

    
1320
static long do_fcntl(int fd, int cmd, unsigned long arg)
1321
{
1322
    struct flock fl;
1323
    struct target_flock *target_fl = (void *)arg;
1324
    long ret;
1325
    
1326
    switch(cmd) {
1327
    case TARGET_F_GETLK:
1328
        ret = fcntl(fd, cmd, &fl);
1329
        if (ret == 0) {
1330
            target_fl->l_type = tswap16(fl.l_type);
1331
            target_fl->l_whence = tswap16(fl.l_whence);
1332
            target_fl->l_start = tswapl(fl.l_start);
1333
            target_fl->l_len = tswapl(fl.l_len);
1334
            target_fl->l_pid = tswapl(fl.l_pid);
1335
        }
1336
        break;
1337
        
1338
    case TARGET_F_SETLK:
1339
    case TARGET_F_SETLKW:
1340
        fl.l_type = tswap16(target_fl->l_type);
1341
        fl.l_whence = tswap16(target_fl->l_whence);
1342
        fl.l_start = tswapl(target_fl->l_start);
1343
        fl.l_len = tswapl(target_fl->l_len);
1344
        fl.l_pid = tswapl(target_fl->l_pid);
1345
        ret = fcntl(fd, cmd, &fl);
1346
        break;
1347
        
1348
    case TARGET_F_GETLK64:
1349
    case TARGET_F_SETLK64:
1350
    case TARGET_F_SETLKW64:
1351
        ret = -1;
1352
        errno = EINVAL;
1353
        break;
1354

    
1355
    case F_GETFL:
1356
        ret = fcntl(fd, cmd, arg);
1357
        ret = host_to_target_bitmask(ret, fcntl_flags_tbl);
1358
        break;
1359

    
1360
    case F_SETFL:
1361
        ret = fcntl(fd, cmd, target_to_host_bitmask(arg, fcntl_flags_tbl));
1362
        break;
1363

    
1364
    default:
1365
        ret = fcntl(fd, cmd, arg);
1366
        break;
1367
    }
1368
    return ret;
1369
}
1370

    
1371
#ifdef USE_UID16
1372

    
1373
static inline int high2lowuid(int uid)
1374
{
1375
    if (uid > 65535)
1376
        return 65534;
1377
    else
1378
        return uid;
1379
}
1380

    
1381
static inline int high2lowgid(int gid)
1382
{
1383
    if (gid > 65535)
1384
        return 65534;
1385
    else
1386
        return gid;
1387
}
1388

    
1389
static inline int low2highuid(int uid)
1390
{
1391
    if ((int16_t)uid == -1)
1392
        return -1;
1393
    else
1394
        return uid;
1395
}
1396

    
1397
static inline int low2highgid(int gid)
1398
{
1399
    if ((int16_t)gid == -1)
1400
        return -1;
1401
    else
1402
        return gid;
1403
}
1404

    
1405
#endif /* USE_UID16 */
1406

    
1407
void syscall_init(void)
1408
{
1409
    IOCTLEntry *ie;
1410
    const argtype *arg_type;
1411
    int size;
1412

    
1413
#define STRUCT(name, list...) thunk_register_struct(STRUCT_ ## name, #name, struct_ ## name ## _def); 
1414
#define STRUCT_SPECIAL(name) thunk_register_struct_direct(STRUCT_ ## name, #name, &struct_ ## name ## _def); 
1415
#include "syscall_types.h"
1416
#undef STRUCT
1417
#undef STRUCT_SPECIAL
1418

    
1419
    /* we patch the ioctl size if necessary. We rely on the fact that
1420
       no ioctl has all the bits at '1' in the size field */
1421
    ie = ioctl_entries;
1422
    while (ie->target_cmd != 0) {
1423
        if (((ie->target_cmd >> TARGET_IOC_SIZESHIFT) & TARGET_IOC_SIZEMASK) ==
1424
            TARGET_IOC_SIZEMASK) {
1425
            arg_type = ie->arg_type;
1426
            if (arg_type[0] != TYPE_PTR) {
1427
                fprintf(stderr, "cannot patch size for ioctl 0x%x\n", 
1428
                        ie->target_cmd);
1429
                exit(1);
1430
            }
1431
            arg_type++;
1432
            size = thunk_type_size(arg_type, 0);
1433
            ie->target_cmd = (ie->target_cmd & 
1434
                              ~(TARGET_IOC_SIZEMASK << TARGET_IOC_SIZESHIFT)) |
1435
                (size << TARGET_IOC_SIZESHIFT);
1436
        }
1437
        /* automatic consistency check if same arch */
1438
#if defined(__i386__) && defined(TARGET_I386)
1439
        if (ie->target_cmd != ie->host_cmd) {
1440
            fprintf(stderr, "ERROR: ioctl: target=0x%x host=0x%x\n", 
1441
                    ie->target_cmd, ie->host_cmd);
1442
        }
1443
#endif
1444
        ie++;
1445
    }
1446
}
1447

    
1448
long do_syscall(void *cpu_env, int num, long arg1, long arg2, long arg3, 
1449
                long arg4, long arg5, long arg6)
1450
{
1451
    long ret;
1452
    struct stat st;
1453
    struct kernel_statfs *stfs;
1454
    
1455
#ifdef DEBUG
1456
    gemu_log("syscall %d", num);
1457
#endif
1458
    switch(num) {
1459
    case TARGET_NR_exit:
1460
#ifdef HAVE_GPROF
1461
        _mcleanup();
1462
#endif
1463
        /* XXX: should free thread stack and CPU env */
1464
        _exit(arg1);
1465
        ret = 0; /* avoid warning */
1466
        break;
1467
    case TARGET_NR_read:
1468
        page_unprotect_range((void *)arg2, arg3);
1469
        ret = get_errno(read(arg1, (void *)arg2, arg3));
1470
        break;
1471
    case TARGET_NR_write:
1472
        ret = get_errno(write(arg1, (void *)arg2, arg3));
1473
        break;
1474
    case TARGET_NR_open:
1475
        ret = get_errno(open(path((const char *)arg1),
1476
                             target_to_host_bitmask(arg2, fcntl_flags_tbl),
1477
                             arg3));
1478
        break;
1479
    case TARGET_NR_close:
1480
        ret = get_errno(close(arg1));
1481
        break;
1482
    case TARGET_NR_brk:
1483
        ret = do_brk((char *)arg1);
1484
        break;
1485
    case TARGET_NR_fork:
1486
        ret = get_errno(do_fork(cpu_env, SIGCHLD, 0));
1487
        break;
1488
    case TARGET_NR_waitpid:
1489
        {
1490
            int *status = (int *)arg2;
1491
            ret = get_errno(waitpid(arg1, status, arg3));
1492
            if (!is_error(ret) && status)
1493
                tswapls((long *)&status);
1494
        }
1495
        break;
1496
    case TARGET_NR_creat:
1497
        ret = get_errno(creat((const char *)arg1, arg2));
1498
        break;
1499
    case TARGET_NR_link:
1500
        ret = get_errno(link((const char *)arg1, (const char *)arg2));
1501
        break;
1502
    case TARGET_NR_unlink:
1503
        ret = get_errno(unlink((const char *)arg1));
1504
        break;
1505
    case TARGET_NR_execve:
1506
        {
1507
            char **argp, **envp;
1508
            int argc, envc;
1509
            uint32_t *p;
1510
            char **q;
1511

    
1512
            argc = 0;
1513
            for (p = (void *)arg2; *p; p++)
1514
                argc++;
1515
            envc = 0;
1516
            for (p = (void *)arg3; *p; p++)
1517
                envc++;
1518

    
1519
            argp = alloca((argc + 1) * sizeof(void *));
1520
            envp = alloca((envc + 1) * sizeof(void *));
1521

    
1522
            for (p = (void *)arg2, q = argp; *p; p++, q++)
1523
                *q = (void *)tswap32(*p);
1524
            *q = NULL;
1525

    
1526
            for (p = (void *)arg3, q = envp; *p; p++, q++)
1527
                *q = (void *)tswap32(*p);
1528
            *q = NULL;
1529

    
1530
            ret = get_errno(execve((const char *)arg1, argp, envp));
1531
        }
1532
        break;
1533
    case TARGET_NR_chdir:
1534
        ret = get_errno(chdir((const char *)arg1));
1535
        break;
1536
    case TARGET_NR_time:
1537
        {
1538
            int *time_ptr = (int *)arg1;
1539
            ret = get_errno(time((time_t *)time_ptr));
1540
            if (!is_error(ret) && time_ptr)
1541
                tswap32s(time_ptr);
1542
        }
1543
        break;
1544
    case TARGET_NR_mknod:
1545
        ret = get_errno(mknod((const char *)arg1, arg2, arg3));
1546
        break;
1547
    case TARGET_NR_chmod:
1548
        ret = get_errno(chmod((const char *)arg1, arg2));
1549
        break;
1550
#ifdef TARGET_NR_break
1551
    case TARGET_NR_break:
1552
        goto unimplemented;
1553
#endif
1554
#ifdef TARGET_NR_oldstat
1555
    case TARGET_NR_oldstat:
1556
        goto unimplemented;
1557
#endif
1558
    case TARGET_NR_lseek:
1559
        ret = get_errno(lseek(arg1, arg2, arg3));
1560
        break;
1561
    case TARGET_NR_getpid:
1562
        ret = get_errno(getpid());
1563
        break;
1564
    case TARGET_NR_mount:
1565
        /* need to look at the data field */
1566
        goto unimplemented;
1567
    case TARGET_NR_umount:
1568
        ret = get_errno(umount((const char *)arg1));
1569
        break;
1570
    case TARGET_NR_stime:
1571
        {
1572
            int *time_ptr = (int *)arg1;
1573
            if (time_ptr)
1574
                tswap32s(time_ptr);
1575
            ret = get_errno(stime((time_t *)time_ptr));
1576
        }
1577
        break;
1578
    case TARGET_NR_ptrace:
1579
        goto unimplemented;
1580
    case TARGET_NR_alarm:
1581
        ret = alarm(arg1);
1582
        break;
1583
#ifdef TARGET_NR_oldfstat
1584
    case TARGET_NR_oldfstat:
1585
        goto unimplemented;
1586
#endif
1587
    case TARGET_NR_pause:
1588
        ret = get_errno(pause());
1589
        break;
1590
    case TARGET_NR_utime:
1591
        {
1592
            struct utimbuf tbuf;
1593
            struct target_utimbuf *target_tbuf = (void *)arg2;
1594
            tbuf.actime = tswapl(target_tbuf->actime);
1595
            tbuf.modtime = tswapl(target_tbuf->modtime);
1596
            ret = get_errno(utime((const char *)arg1, &tbuf));
1597
        }
1598
        break;
1599
#ifdef TARGET_NR_stty
1600
    case TARGET_NR_stty:
1601
        goto unimplemented;
1602
#endif
1603
#ifdef TARGET_NR_gtty
1604
    case TARGET_NR_gtty:
1605
        goto unimplemented;
1606
#endif
1607
    case TARGET_NR_access:
1608
        ret = get_errno(access((const char *)arg1, arg2));
1609
        break;
1610
    case TARGET_NR_nice:
1611
        ret = get_errno(nice(arg1));
1612
        break;
1613
#ifdef TARGET_NR_ftime
1614
    case TARGET_NR_ftime:
1615
        goto unimplemented;
1616
#endif
1617
    case TARGET_NR_sync:
1618
        sync();
1619
        ret = 0;
1620
        break;
1621
    case TARGET_NR_kill:
1622
        ret = get_errno(kill(arg1, arg2));
1623
        break;
1624
    case TARGET_NR_rename:
1625
        ret = get_errno(rename((const char *)arg1, (const char *)arg2));
1626
        break;
1627
    case TARGET_NR_mkdir:
1628
        ret = get_errno(mkdir((const char *)arg1, arg2));
1629
        break;
1630
    case TARGET_NR_rmdir:
1631
        ret = get_errno(rmdir((const char *)arg1));
1632
        break;
1633
    case TARGET_NR_dup:
1634
        ret = get_errno(dup(arg1));
1635
        break;
1636
    case TARGET_NR_pipe:
1637
        {
1638
            int *pipe_ptr = (int *)arg1;
1639
            ret = get_errno(pipe(pipe_ptr));
1640
            if (!is_error(ret)) {
1641
                tswap32s(&pipe_ptr[0]);
1642
                tswap32s(&pipe_ptr[1]);
1643
            }
1644
        }
1645
        break;
1646
    case TARGET_NR_times:
1647
        {
1648
            struct target_tms *tmsp = (void *)arg1;
1649
            struct tms tms;
1650
            ret = get_errno(times(&tms));
1651
            if (tmsp) {
1652
                tmsp->tms_utime = tswapl(host_to_target_clock_t(tms.tms_utime));
1653
                tmsp->tms_stime = tswapl(host_to_target_clock_t(tms.tms_stime));
1654
                tmsp->tms_cutime = tswapl(host_to_target_clock_t(tms.tms_cutime));
1655
                tmsp->tms_cstime = tswapl(host_to_target_clock_t(tms.tms_cstime));
1656
            }
1657
            if (!is_error(ret))
1658
                ret = host_to_target_clock_t(ret);
1659
        }
1660
        break;
1661
#ifdef TARGET_NR_prof
1662
    case TARGET_NR_prof:
1663
        goto unimplemented;
1664
#endif
1665
    case TARGET_NR_signal:
1666
        goto unimplemented;
1667

    
1668
    case TARGET_NR_acct:
1669
        goto unimplemented;
1670
    case TARGET_NR_umount2:
1671
        ret = get_errno(umount2((const char *)arg1, arg2));
1672
        break;
1673
#ifdef TARGET_NR_lock
1674
    case TARGET_NR_lock:
1675
        goto unimplemented;
1676
#endif
1677
    case TARGET_NR_ioctl:
1678
        ret = do_ioctl(arg1, arg2, arg3);
1679
        break;
1680
    case TARGET_NR_fcntl:
1681
        ret = get_errno(do_fcntl(arg1, arg2, arg3));
1682
        break;
1683
#ifdef TARGET_NR_mpx
1684
    case TARGET_NR_mpx:
1685
        goto unimplemented;
1686
#endif
1687
    case TARGET_NR_setpgid:
1688
        ret = get_errno(setpgid(arg1, arg2));
1689
        break;
1690
#ifdef TARGET_NR_ulimit
1691
    case TARGET_NR_ulimit:
1692
        goto unimplemented;
1693
#endif
1694
#ifdef TARGET_NR_oldolduname
1695
    case TARGET_NR_oldolduname:
1696
        goto unimplemented;
1697
#endif
1698
    case TARGET_NR_umask:
1699
        ret = get_errno(umask(arg1));
1700
        break;
1701
    case TARGET_NR_chroot:
1702
        ret = get_errno(chroot((const char *)arg1));
1703
        break;
1704
    case TARGET_NR_ustat:
1705
        goto unimplemented;
1706
    case TARGET_NR_dup2:
1707
        ret = get_errno(dup2(arg1, arg2));
1708
        break;
1709
    case TARGET_NR_getppid:
1710
        ret = get_errno(getppid());
1711
        break;
1712
    case TARGET_NR_getpgrp:
1713
        ret = get_errno(getpgrp());
1714
        break;
1715
    case TARGET_NR_setsid:
1716
        ret = get_errno(setsid());
1717
        break;
1718
    case TARGET_NR_sigaction:
1719
        {
1720
            struct target_old_sigaction *old_act = (void *)arg2;
1721
            struct target_old_sigaction *old_oact = (void *)arg3;
1722
            struct target_sigaction act, oact, *pact;
1723
            if (old_act) {
1724
                act._sa_handler = old_act->_sa_handler;
1725
                target_siginitset(&act.sa_mask, old_act->sa_mask);
1726
                act.sa_flags = old_act->sa_flags;
1727
                act.sa_restorer = old_act->sa_restorer;
1728
                pact = &act;
1729
            } else {
1730
                pact = NULL;
1731
            }
1732
            ret = get_errno(do_sigaction(arg1, pact, &oact));
1733
            if (!is_error(ret) && old_oact) {
1734
                old_oact->_sa_handler = oact._sa_handler;
1735
                old_oact->sa_mask = oact.sa_mask.sig[0];
1736
                old_oact->sa_flags = oact.sa_flags;
1737
                old_oact->sa_restorer = oact.sa_restorer;
1738
            }
1739
        }
1740
        break;
1741
    case TARGET_NR_rt_sigaction:
1742
        ret = get_errno(do_sigaction(arg1, (void *)arg2, (void *)arg3));
1743
        break;
1744
    case TARGET_NR_sgetmask:
1745
        {
1746
            sigset_t cur_set;
1747
            target_ulong target_set;
1748
            sigprocmask(0, NULL, &cur_set);
1749
            host_to_target_old_sigset(&target_set, &cur_set);
1750
            ret = target_set;
1751
        }
1752
        break;
1753
    case TARGET_NR_ssetmask:
1754
        {
1755
            sigset_t set, oset, cur_set;
1756
            target_ulong target_set = arg1;
1757
            sigprocmask(0, NULL, &cur_set);
1758
            target_to_host_old_sigset(&set, &target_set);
1759
            sigorset(&set, &set, &cur_set);
1760
            sigprocmask(SIG_SETMASK, &set, &oset);
1761
            host_to_target_old_sigset(&target_set, &oset);
1762
            ret = target_set;
1763
        }
1764
        break;
1765
    case TARGET_NR_sigprocmask:
1766
        {
1767
            int how = arg1;
1768
            sigset_t set, oldset, *set_ptr;
1769
            target_ulong *pset = (void *)arg2, *poldset = (void *)arg3;
1770
            
1771
            if (pset) {
1772
                switch(how) {
1773
                case TARGET_SIG_BLOCK:
1774
                    how = SIG_BLOCK;
1775
                    break;
1776
                case TARGET_SIG_UNBLOCK:
1777
                    how = SIG_UNBLOCK;
1778
                    break;
1779
                case TARGET_SIG_SETMASK:
1780
                    how = SIG_SETMASK;
1781
                    break;
1782
                default:
1783
                    ret = -EINVAL;
1784
                    goto fail;
1785
                }
1786
                target_to_host_old_sigset(&set, pset);
1787
                set_ptr = &set;
1788
            } else {
1789
                how = 0;
1790
                set_ptr = NULL;
1791
            }
1792
            ret = get_errno(sigprocmask(arg1, set_ptr, &oldset));
1793
            if (!is_error(ret) && poldset) {
1794
                host_to_target_old_sigset(poldset, &oldset);
1795
            }
1796
        }
1797
        break;
1798
    case TARGET_NR_rt_sigprocmask:
1799
        {
1800
            int how = arg1;
1801
            sigset_t set, oldset, *set_ptr;
1802
            target_sigset_t *pset = (void *)arg2;
1803
            target_sigset_t *poldset = (void *)arg3;
1804
            
1805
            if (pset) {
1806
                switch(how) {
1807
                case TARGET_SIG_BLOCK:
1808
                    how = SIG_BLOCK;
1809
                    break;
1810
                case TARGET_SIG_UNBLOCK:
1811
                    how = SIG_UNBLOCK;
1812
                    break;
1813
                case TARGET_SIG_SETMASK:
1814
                    how = SIG_SETMASK;
1815
                    break;
1816
                default:
1817
                    ret = -EINVAL;
1818
                    goto fail;
1819
                }
1820
                target_to_host_sigset(&set, pset);
1821
                set_ptr = &set;
1822
            } else {
1823
                how = 0;
1824
                set_ptr = NULL;
1825
            }
1826
            ret = get_errno(sigprocmask(how, set_ptr, &oldset));
1827
            if (!is_error(ret) && poldset) {
1828
                host_to_target_sigset(poldset, &oldset);
1829
            }
1830
        }
1831
        break;
1832
    case TARGET_NR_sigpending:
1833
        {
1834
            sigset_t set;
1835
            ret = get_errno(sigpending(&set));
1836
            if (!is_error(ret)) {
1837
                host_to_target_old_sigset((target_ulong *)arg1, &set);
1838
            }
1839
        }
1840
        break;
1841
    case TARGET_NR_rt_sigpending:
1842
        {
1843
            sigset_t set;
1844
            ret = get_errno(sigpending(&set));
1845
            if (!is_error(ret)) {
1846
                host_to_target_sigset((target_sigset_t *)arg1, &set);
1847
            }
1848
        }
1849
        break;
1850
    case TARGET_NR_sigsuspend:
1851
        {
1852
            sigset_t set;
1853
            target_to_host_old_sigset(&set, (target_ulong *)arg1);
1854
            ret = get_errno(sigsuspend(&set));
1855
        }
1856
        break;
1857
    case TARGET_NR_rt_sigsuspend:
1858
        {
1859
            sigset_t set;
1860
            target_to_host_sigset(&set, (target_sigset_t *)arg1);
1861
            ret = get_errno(sigsuspend(&set));
1862
        }
1863
        break;
1864
    case TARGET_NR_rt_sigtimedwait:
1865
        {
1866
            target_sigset_t *target_set = (void *)arg1;
1867
            target_siginfo_t *target_uinfo = (void *)arg2;
1868
            struct target_timespec *target_uts = (void *)arg3;
1869
            sigset_t set;
1870
            struct timespec uts, *puts;
1871
            siginfo_t uinfo;
1872
            
1873
            target_to_host_sigset(&set, target_set);
1874
            if (target_uts) {
1875
                puts = &uts;
1876
                puts->tv_sec = tswapl(target_uts->tv_sec);
1877
                puts->tv_nsec = tswapl(target_uts->tv_nsec);
1878
            } else {
1879
                puts = NULL;
1880
            }
1881
            ret = get_errno(sigtimedwait(&set, &uinfo, puts));
1882
            if (!is_error(ret) && target_uinfo) {
1883
                host_to_target_siginfo(target_uinfo, &uinfo);
1884
            }
1885
        }
1886
        break;
1887
    case TARGET_NR_rt_sigqueueinfo:
1888
        {
1889
            siginfo_t uinfo;
1890
            target_to_host_siginfo(&uinfo, (target_siginfo_t *)arg3);
1891
            ret = get_errno(sys_rt_sigqueueinfo(arg1, arg2, &uinfo));
1892
        }
1893
        break;
1894
    case TARGET_NR_sigreturn:
1895
        /* NOTE: ret is eax, so not transcoding must be done */
1896
        ret = do_sigreturn(cpu_env);
1897
        break;
1898
    case TARGET_NR_rt_sigreturn:
1899
        /* NOTE: ret is eax, so not transcoding must be done */
1900
        ret = do_rt_sigreturn(cpu_env);
1901
        break;
1902
    case TARGET_NR_sethostname:
1903
        ret = get_errno(sethostname((const char *)arg1, arg2));
1904
        break;
1905
    case TARGET_NR_setrlimit:
1906
        {
1907
            /* XXX: convert resource ? */
1908
            int resource = arg1;
1909
            struct target_rlimit *target_rlim = (void *)arg2;
1910
            struct rlimit rlim;
1911
            rlim.rlim_cur = tswapl(target_rlim->rlim_cur);
1912
            rlim.rlim_max = tswapl(target_rlim->rlim_max);
1913
            ret = get_errno(setrlimit(resource, &rlim));
1914
        }
1915
        break;
1916
    case TARGET_NR_getrlimit:
1917
        {
1918
            /* XXX: convert resource ? */
1919
            int resource = arg1;
1920
            struct target_rlimit *target_rlim = (void *)arg2;
1921
            struct rlimit rlim;
1922
            
1923
            ret = get_errno(getrlimit(resource, &rlim));
1924
            if (!is_error(ret)) {
1925
                target_rlim->rlim_cur = tswapl(rlim.rlim_cur);
1926
                target_rlim->rlim_max = tswapl(rlim.rlim_max);
1927
            }
1928
        }
1929
        break;
1930
    case TARGET_NR_getrusage:
1931
        {
1932
            struct rusage rusage;
1933
            struct target_rusage *target_rusage = (void *)arg2;
1934
            ret = get_errno(getrusage(arg1, &rusage));
1935
            if (!is_error(ret)) {
1936
                host_to_target_rusage(target_rusage, &rusage);
1937
            }
1938
        }
1939
        break;
1940
    case TARGET_NR_gettimeofday:
1941
        {
1942
            struct target_timeval *target_tv = (void *)arg1;
1943
            struct timeval tv;
1944
            ret = get_errno(gettimeofday(&tv, NULL));
1945
            if (!is_error(ret)) {
1946
                host_to_target_timeval(target_tv, &tv);
1947
            }
1948
        }
1949
        break;
1950
    case TARGET_NR_settimeofday:
1951
        {
1952
            struct target_timeval *target_tv = (void *)arg1;
1953
            struct timeval tv;
1954
            target_to_host_timeval(&tv, target_tv);
1955
            ret = get_errno(settimeofday(&tv, NULL));
1956
        }
1957
        break;
1958
    case TARGET_NR_select:
1959
        {
1960
            struct target_sel_arg_struct *sel = (void *)arg1;
1961
            sel->n = tswapl(sel->n);
1962
            sel->inp = tswapl(sel->inp);
1963
            sel->outp = tswapl(sel->outp);
1964
            sel->exp = tswapl(sel->exp);
1965
            sel->tvp = tswapl(sel->tvp);
1966
            ret = do_select(sel->n, (void *)sel->inp, (void *)sel->outp,
1967
                            (void *)sel->exp, (void *)sel->tvp);
1968
        }
1969
        break;
1970
    case TARGET_NR_symlink:
1971
        ret = get_errno(symlink((const char *)arg1, (const char *)arg2));
1972
        break;
1973
#ifdef TARGET_NR_oldlstat
1974
    case TARGET_NR_oldlstat:
1975
        goto unimplemented;
1976
#endif
1977
    case TARGET_NR_readlink:
1978
        ret = get_errno(readlink(path((const char *)arg1), (char *)arg2, arg3));
1979
        break;
1980
    case TARGET_NR_uselib:
1981
        goto unimplemented;
1982
    case TARGET_NR_swapon:
1983
        ret = get_errno(swapon((const char *)arg1, arg2));
1984
        break;
1985
    case TARGET_NR_reboot:
1986
        goto unimplemented;
1987
    case TARGET_NR_readdir:
1988
        goto unimplemented;
1989
    case TARGET_NR_mmap:
1990
#if defined(TARGET_I386) || defined(TARGET_ARM)
1991
        {
1992
            uint32_t v1, v2, v3, v4, v5, v6, *vptr;
1993
            vptr = (uint32_t *)arg1;
1994
            v1 = tswap32(vptr[0]);
1995
            v2 = tswap32(vptr[1]);
1996
            v3 = tswap32(vptr[2]);
1997
            v4 = tswap32(vptr[3]);
1998
            v5 = tswap32(vptr[4]);
1999
            v6 = tswap32(vptr[5]);
2000
            ret = get_errno(target_mmap(v1, v2, v3, 
2001
                                        target_to_host_bitmask(v4, mmap_flags_tbl),
2002
                                        v5, v6));
2003
        }
2004
#else
2005
        ret = get_errno(target_mmap(arg1, arg2, arg3, 
2006
                                    target_to_host_bitmask(arg4, mmap_flags_tbl), 
2007
                                    arg5,
2008
                                    arg6));
2009
#endif
2010
        break;
2011
    case TARGET_NR_mmap2:
2012
#if defined(TARGET_SPARC)
2013
#define MMAP_SHIFT 12
2014
#else
2015
#define MMAP_SHIFT TARGET_PAGE_BITS
2016
#endif
2017
        ret = get_errno(target_mmap(arg1, arg2, arg3, 
2018
                                    target_to_host_bitmask(arg4, mmap_flags_tbl), 
2019
                                    arg5,
2020
                                    arg6 << MMAP_SHIFT));
2021
        break;
2022
    case TARGET_NR_munmap:
2023
        ret = get_errno(target_munmap(arg1, arg2));
2024
        break;
2025
    case TARGET_NR_mprotect:
2026
        ret = get_errno(target_mprotect(arg1, arg2, arg3));
2027
        break;
2028
    case TARGET_NR_mremap:
2029
        ret = get_errno(target_mremap(arg1, arg2, arg3, arg4, arg5));
2030
        break;
2031
    case TARGET_NR_msync:
2032
        ret = get_errno(msync((void *)arg1, arg2, arg3));
2033
        break;
2034
    case TARGET_NR_mlock:
2035
        ret = get_errno(mlock((void *)arg1, arg2));
2036
        break;
2037
    case TARGET_NR_munlock:
2038
        ret = get_errno(munlock((void *)arg1, arg2));
2039
        break;
2040
    case TARGET_NR_mlockall:
2041
        ret = get_errno(mlockall(arg1));
2042
        break;
2043
    case TARGET_NR_munlockall:
2044
        ret = get_errno(munlockall());
2045
        break;
2046
    case TARGET_NR_truncate:
2047
        ret = get_errno(truncate((const char *)arg1, arg2));
2048
        break;
2049
    case TARGET_NR_ftruncate:
2050
        ret = get_errno(ftruncate(arg1, arg2));
2051
        break;
2052
    case TARGET_NR_fchmod:
2053
        ret = get_errno(fchmod(arg1, arg2));
2054
        break;
2055
    case TARGET_NR_getpriority:
2056
        ret = get_errno(getpriority(arg1, arg2));
2057
        break;
2058
    case TARGET_NR_setpriority:
2059
        ret = get_errno(setpriority(arg1, arg2, arg3));
2060
        break;
2061
#ifdef TARGET_NR_profil
2062
    case TARGET_NR_profil:
2063
        goto unimplemented;
2064
#endif
2065
    case TARGET_NR_statfs:
2066
        stfs = (void *)arg2;
2067
        ret = get_errno(sys_statfs(path((const char *)arg1), stfs));
2068
    convert_statfs:
2069
        if (!is_error(ret)) {
2070
            tswap32s(&stfs->f_type);
2071
            tswap32s(&stfs->f_bsize);
2072
            tswap32s(&stfs->f_blocks);
2073
            tswap32s(&stfs->f_bfree);
2074
            tswap32s(&stfs->f_bavail);
2075
            tswap32s(&stfs->f_files);
2076
            tswap32s(&stfs->f_ffree);
2077
            tswap32s(&stfs->f_fsid.val[0]);
2078
            tswap32s(&stfs->f_fsid.val[1]);
2079
            tswap32s(&stfs->f_namelen);
2080
        }
2081
        break;
2082
    case TARGET_NR_fstatfs:
2083
        stfs = (void *)arg2;
2084
        ret = get_errno(sys_fstatfs(arg1, stfs));
2085
        goto convert_statfs;
2086
#ifdef TARGET_NR_ioperm
2087
    case TARGET_NR_ioperm:
2088
        goto unimplemented;
2089
#endif
2090
    case TARGET_NR_socketcall:
2091
        ret = do_socketcall(arg1, (int32_t *)arg2);
2092
        break;
2093
    case TARGET_NR_syslog:
2094
        goto unimplemented;
2095
    case TARGET_NR_setitimer:
2096
        {
2097
            struct target_itimerval *target_value = (void *)arg2;
2098
            struct target_itimerval *target_ovalue = (void *)arg3;
2099
            struct itimerval value, ovalue, *pvalue;
2100

    
2101
            if (target_value) {
2102
                pvalue = &value;
2103
                target_to_host_timeval(&pvalue->it_interval, 
2104
                                       &target_value->it_interval);
2105
                target_to_host_timeval(&pvalue->it_value, 
2106
                                       &target_value->it_value);
2107
            } else {
2108
                pvalue = NULL;
2109
            }
2110
            ret = get_errno(setitimer(arg1, pvalue, &ovalue));
2111
            if (!is_error(ret) && target_ovalue) {
2112
                host_to_target_timeval(&target_ovalue->it_interval, 
2113
                                       &ovalue.it_interval);
2114
                host_to_target_timeval(&target_ovalue->it_value, 
2115
                                       &ovalue.it_value);
2116
            }
2117
        }
2118
        break;
2119
    case TARGET_NR_getitimer:
2120
        {
2121
            struct target_itimerval *target_value = (void *)arg2;
2122
            struct itimerval value;
2123
            
2124
            ret = get_errno(getitimer(arg1, &value));
2125
            if (!is_error(ret) && target_value) {
2126
                host_to_target_timeval(&target_value->it_interval, 
2127
                                       &value.it_interval);
2128
                host_to_target_timeval(&target_value->it_value, 
2129
                                       &value.it_value);
2130
            }
2131
        }
2132
        break;
2133
    case TARGET_NR_stat:
2134
        ret = get_errno(stat(path((const char *)arg1), &st));
2135
        goto do_stat;
2136
    case TARGET_NR_lstat:
2137
        ret = get_errno(lstat(path((const char *)arg1), &st));
2138
        goto do_stat;
2139
    case TARGET_NR_fstat:
2140
        {
2141
            ret = get_errno(fstat(arg1, &st));
2142
        do_stat:
2143
            if (!is_error(ret)) {
2144
                struct target_stat *target_st = (void *)arg2;
2145
                target_st->st_dev = tswap16(st.st_dev);
2146
                target_st->st_ino = tswapl(st.st_ino);
2147
#if defined(TARGET_PPC)
2148
                target_st->st_mode = tswapl(st.st_mode); /* XXX: check this */
2149
                target_st->st_uid = tswap32(st.st_uid);
2150
                target_st->st_gid = tswap32(st.st_gid);
2151
#else
2152
                target_st->st_mode = tswap16(st.st_mode);
2153
                target_st->st_uid = tswap16(st.st_uid);
2154
                target_st->st_gid = tswap16(st.st_gid);
2155
#endif
2156
                target_st->st_nlink = tswap16(st.st_nlink);
2157
                target_st->st_rdev = tswap16(st.st_rdev);
2158
                target_st->st_size = tswapl(st.st_size);
2159
                target_st->st_blksize = tswapl(st.st_blksize);
2160
                target_st->st_blocks = tswapl(st.st_blocks);
2161
                target_st->target_st_atime = tswapl(st.st_atime);
2162
                target_st->target_st_mtime = tswapl(st.st_mtime);
2163
                target_st->target_st_ctime = tswapl(st.st_ctime);
2164
            }
2165
        }
2166
        break;
2167
#ifdef TARGET_NR_olduname
2168
    case TARGET_NR_olduname:
2169
        goto unimplemented;
2170
#endif
2171
#ifdef TARGET_NR_iopl
2172
    case TARGET_NR_iopl:
2173
        goto unimplemented;
2174
#endif
2175
    case TARGET_NR_vhangup:
2176
        ret = get_errno(vhangup());
2177
        break;
2178
#ifdef TARGET_NR_idle
2179
    case TARGET_NR_idle:
2180
        goto unimplemented;
2181
#endif
2182
    case TARGET_NR_wait4:
2183
        {
2184
            int status;
2185
            target_long *status_ptr = (void *)arg2;
2186
            struct rusage rusage, *rusage_ptr;
2187
            struct target_rusage *target_rusage = (void *)arg4;
2188
            if (target_rusage)
2189
                rusage_ptr = &rusage;
2190
            else
2191
                rusage_ptr = NULL;
2192
            ret = get_errno(wait4(arg1, &status, arg3, rusage_ptr));
2193
            if (!is_error(ret)) {
2194
                if (status_ptr)
2195
                    *status_ptr = tswap32(status);
2196
                if (target_rusage) {
2197
                    host_to_target_rusage(target_rusage, &rusage);
2198
                }
2199
            }
2200
        }
2201
        break;
2202
    case TARGET_NR_swapoff:
2203
        ret = get_errno(swapoff((const char *)arg1));
2204
        break;
2205
    case TARGET_NR_sysinfo:
2206
        goto unimplemented;
2207
    case TARGET_NR_ipc:
2208
        goto unimplemented;
2209
    case TARGET_NR_fsync:
2210
        ret = get_errno(fsync(arg1));
2211
        break;
2212
    case TARGET_NR_clone:
2213
        ret = get_errno(do_fork(cpu_env, arg1, arg2));
2214
        break;
2215
#ifdef __NR_exit_group
2216
        /* new thread calls */
2217
    case TARGET_NR_exit_group:
2218
        ret = get_errno(exit_group(arg1));
2219
        break;
2220
#endif
2221
    case TARGET_NR_setdomainname:
2222
        ret = get_errno(setdomainname((const char *)arg1, arg2));
2223
        break;
2224
    case TARGET_NR_uname:
2225
        /* no need to transcode because we use the linux syscall */
2226
        ret = get_errno(sys_uname((struct new_utsname *)arg1));
2227
        break;
2228
#ifdef TARGET_I386
2229
    case TARGET_NR_modify_ldt:
2230
        ret = get_errno(do_modify_ldt(cpu_env, arg1, (void *)arg2, arg3));
2231
        break;
2232
    case TARGET_NR_vm86old:
2233
        goto unimplemented;
2234
    case TARGET_NR_vm86:
2235
        ret = do_vm86(cpu_env, arg1, (void *)arg2);
2236
        break;
2237
#endif
2238
    case TARGET_NR_adjtimex:
2239
        goto unimplemented;
2240
    case TARGET_NR_create_module:
2241
    case TARGET_NR_init_module:
2242
    case TARGET_NR_delete_module:
2243
    case TARGET_NR_get_kernel_syms:
2244
        goto unimplemented;
2245
    case TARGET_NR_quotactl:
2246
        goto unimplemented;
2247
    case TARGET_NR_getpgid:
2248
        ret = get_errno(getpgid(arg1));
2249
        break;
2250
    case TARGET_NR_fchdir:
2251
        ret = get_errno(fchdir(arg1));
2252
        break;
2253
    case TARGET_NR_bdflush:
2254
        goto unimplemented;
2255
    case TARGET_NR_sysfs:
2256
        goto unimplemented;
2257
    case TARGET_NR_personality:
2258
        ret = get_errno(personality(arg1));
2259
        break;
2260
    case TARGET_NR_afs_syscall:
2261
        goto unimplemented;
2262
    case TARGET_NR__llseek:
2263
        {
2264
            int64_t res;
2265
            ret = get_errno(_llseek(arg1, arg2, arg3, &res, arg5));
2266
            *(int64_t *)arg4 = tswap64(res);
2267
        }
2268
        break;
2269
    case TARGET_NR_getdents:
2270
#if TARGET_LONG_SIZE != 4
2271
#error not supported
2272
#elif TARGET_LONG_SIZE == 4 && HOST_LONG_SIZE == 8
2273
        {
2274
            struct target_dirent *target_dirp = (void *)arg2;
2275
            struct dirent *dirp;
2276
            long count = arg3;
2277

    
2278
            dirp = malloc(count);
2279
            if (!dirp)
2280
                return -ENOMEM;
2281
            
2282
            ret = get_errno(sys_getdents(arg1, dirp, count));
2283
            if (!is_error(ret)) {
2284
                struct dirent *de;
2285
                struct target_dirent *tde;
2286
                int len = ret;
2287
                int reclen, treclen;
2288
                int count1, tnamelen;
2289

    
2290
                count1 = 0;
2291
                de = dirp;
2292
                tde = target_dirp;
2293
                while (len > 0) {
2294
                    reclen = de->d_reclen;
2295
                    treclen = reclen - (2 * (sizeof(long) - sizeof(target_long)));
2296
                    tde->d_reclen = tswap16(treclen);
2297
                    tde->d_ino = tswapl(de->d_ino);
2298
                    tde->d_off = tswapl(de->d_off);
2299
                    tnamelen = treclen - (2 * sizeof(target_long) + 2);
2300
                    if (tnamelen > 256)
2301
                        tnamelen = 256;
2302
                    strncpy(tde->d_name, de->d_name, tnamelen);
2303
                    de = (struct dirent *)((char *)de + reclen);
2304
                    len -= reclen;
2305
                    tde = (struct dirent *)((char *)tde + treclen);
2306
                    count1 += treclen;
2307
                }
2308
                ret = count1;
2309
            }
2310
            free(dirp);
2311
        }
2312
#else
2313
        {
2314
            struct dirent *dirp = (void *)arg2;
2315
            long count = arg3;
2316

    
2317
            ret = get_errno(sys_getdents(arg1, dirp, count));
2318
            if (!is_error(ret)) {
2319
                struct dirent *de;
2320
                int len = ret;
2321
                int reclen;
2322
                de = dirp;
2323
                while (len > 0) {
2324
                    reclen = de->d_reclen;
2325
                    if (reclen > len)
2326
                        break;
2327
                    de->d_reclen = tswap16(reclen);
2328
                    tswapls(&de->d_ino);
2329
                    tswapls(&de->d_off);
2330
                    de = (struct dirent *)((char *)de + reclen);
2331
                    len -= reclen;
2332
                }
2333
            }
2334
        }
2335
#endif
2336
        break;
2337
    case TARGET_NR_getdents64:
2338
        {
2339
            struct dirent64 *dirp = (void *)arg2;
2340
            long count = arg3;
2341
            ret = get_errno(sys_getdents64(arg1, dirp, count));
2342
            if (!is_error(ret)) {
2343
                struct dirent64 *de;
2344
                int len = ret;
2345
                int reclen;
2346
                de = dirp;
2347
                while (len > 0) {
2348
                    reclen = de->d_reclen;
2349
                    if (reclen > len)
2350
                        break;
2351
                    de->d_reclen = tswap16(reclen);
2352
                    tswap64s(&de->d_ino);
2353
                    tswap64s(&de->d_off);
2354
                    de = (struct dirent64 *)((char *)de + reclen);
2355
                    len -= reclen;
2356
                }
2357
            }
2358
        }
2359
        break;
2360
    case TARGET_NR__newselect:
2361
        ret = do_select(arg1, (void *)arg2, (void *)arg3, (void *)arg4, 
2362
                        (void *)arg5);
2363
        break;
2364
    case TARGET_NR_poll:
2365
        {
2366
            struct target_pollfd *target_pfd = (void *)arg1;
2367
            unsigned int nfds = arg2;
2368
            int timeout = arg3;
2369
            struct pollfd *pfd;
2370
            unsigned int i;
2371

    
2372
            pfd = alloca(sizeof(struct pollfd) * nfds);
2373
            for(i = 0; i < nfds; i++) {
2374
                pfd[i].fd = tswap32(target_pfd[i].fd);
2375
                pfd[i].events = tswap16(target_pfd[i].events);
2376
            }
2377
            ret = get_errno(poll(pfd, nfds, timeout));
2378
            if (!is_error(ret)) {
2379
                for(i = 0; i < nfds; i++) {
2380
                    target_pfd[i].revents = tswap16(pfd[i].revents);
2381
                }
2382
            }
2383
        }
2384
        break;
2385
    case TARGET_NR_flock:
2386
        /* NOTE: the flock constant seems to be the same for every
2387
           Linux platform */
2388
        ret = get_errno(flock(arg1, arg2));
2389
        break;
2390
    case TARGET_NR_readv:
2391
        {
2392
            int count = arg3;
2393
            int i;
2394
            struct iovec *vec;
2395
            struct target_iovec *target_vec = (void *)arg2;
2396

    
2397
            vec = alloca(count * sizeof(struct iovec));
2398
            for(i = 0;i < count; i++) {
2399
                vec[i].iov_base = (void *)tswapl(target_vec[i].iov_base);
2400
                vec[i].iov_len = tswapl(target_vec[i].iov_len);
2401
            }
2402
            ret = get_errno(readv(arg1, vec, count));
2403
        }
2404
        break;
2405
    case TARGET_NR_writev:
2406
        {
2407
            int count = arg3;
2408
            int i;
2409
            struct iovec *vec;
2410
            struct target_iovec *target_vec = (void *)arg2;
2411

    
2412
            vec = alloca(count * sizeof(struct iovec));
2413
            for(i = 0;i < count; i++) {
2414
                vec[i].iov_base = (void *)tswapl(target_vec[i].iov_base);
2415
                vec[i].iov_len = tswapl(target_vec[i].iov_len);
2416
            }
2417
            ret = get_errno(writev(arg1, vec, count));
2418
        }
2419
        break;
2420
    case TARGET_NR_getsid:
2421
        ret = get_errno(getsid(arg1));
2422
        break;
2423
    case TARGET_NR_fdatasync:
2424
        ret = get_errno(fdatasync(arg1));
2425
        break;
2426
    case TARGET_NR__sysctl:
2427
        goto unimplemented;
2428
    case TARGET_NR_sched_setparam:
2429
        {
2430
            struct sched_param *target_schp = (void *)arg2;
2431
            struct sched_param schp;
2432
            schp.sched_priority = tswap32(target_schp->sched_priority);
2433
            ret = get_errno(sched_setparam(arg1, &schp));
2434
        }
2435
        break;
2436
    case TARGET_NR_sched_getparam:
2437
        {
2438
            struct sched_param *target_schp = (void *)arg2;
2439
            struct sched_param schp;
2440
            ret = get_errno(sched_getparam(arg1, &schp));
2441
            if (!is_error(ret)) {
2442
                target_schp->sched_priority = tswap32(schp.sched_priority);
2443
            }
2444
        }
2445
        break;
2446
    case TARGET_NR_sched_setscheduler:
2447
        {
2448
            struct sched_param *target_schp = (void *)arg3;
2449
            struct sched_param schp;
2450
            schp.sched_priority = tswap32(target_schp->sched_priority);
2451
            ret = get_errno(sched_setscheduler(arg1, arg2, &schp));
2452
        }
2453
        break;
2454
    case TARGET_NR_sched_getscheduler:
2455
        ret = get_errno(sched_getscheduler(arg1));
2456
        break;
2457
    case TARGET_NR_sched_yield:
2458
        ret = get_errno(sched_yield());
2459
        break;
2460
    case TARGET_NR_sched_get_priority_max:
2461
        ret = get_errno(sched_get_priority_max(arg1));
2462
        break;
2463
    case TARGET_NR_sched_get_priority_min:
2464
        ret = get_errno(sched_get_priority_min(arg1));
2465
        break;
2466
    case TARGET_NR_sched_rr_get_interval:
2467
        {
2468
            struct target_timespec *target_ts = (void *)arg2;
2469
            struct timespec ts;
2470
            ret = get_errno(sched_rr_get_interval(arg1, &ts));
2471
            if (!is_error(ret)) {
2472
                target_ts->tv_sec = tswapl(ts.tv_sec);
2473
                target_ts->tv_nsec = tswapl(ts.tv_nsec);
2474
            }
2475
        }
2476
        break;
2477
    case TARGET_NR_nanosleep:
2478
        {
2479
            struct target_timespec *target_req = (void *)arg1;
2480
            struct target_timespec *target_rem = (void *)arg2;
2481
            struct timespec req, rem;
2482
            req.tv_sec = tswapl(target_req->tv_sec);
2483
            req.tv_nsec = tswapl(target_req->tv_nsec);
2484
            ret = get_errno(nanosleep(&req, &rem));
2485
            if (is_error(ret) && target_rem) {
2486
                target_rem->tv_sec = tswapl(rem.tv_sec);
2487
                target_rem->tv_nsec = tswapl(rem.tv_nsec);
2488
            }
2489
        }
2490
        break;
2491
    case TARGET_NR_query_module:
2492
        goto unimplemented;
2493
    case TARGET_NR_nfsservctl:
2494
        goto unimplemented;
2495
    case TARGET_NR_prctl:
2496
        goto unimplemented;
2497
#ifdef TARGET_NR_pread
2498
    case TARGET_NR_pread:
2499
        page_unprotect_range((void *)arg2, arg3);
2500
        ret = get_errno(pread(arg1, (void *)arg2, arg3, arg4));
2501
        break;
2502
    case TARGET_NR_pwrite:
2503
        ret = get_errno(pwrite(arg1, (void *)arg2, arg3, arg4));
2504
        break;
2505
#endif
2506
    case TARGET_NR_getcwd:
2507
        ret = get_errno(sys_getcwd1((char *)arg1, arg2));
2508
        break;
2509
    case TARGET_NR_capget:
2510
        goto unimplemented;
2511
    case TARGET_NR_capset:
2512
        goto unimplemented;
2513
    case TARGET_NR_sigaltstack:
2514
        goto unimplemented;
2515
    case TARGET_NR_sendfile:
2516
        goto unimplemented;
2517
#ifdef TARGET_NR_getpmsg
2518
    case TARGET_NR_getpmsg:
2519
        goto unimplemented;
2520
#endif
2521
#ifdef TARGET_NR_putpmsg
2522
    case TARGET_NR_putpmsg:
2523
        goto unimplemented;
2524
#endif
2525
    case TARGET_NR_vfork:
2526
        ret = get_errno(do_fork(cpu_env, CLONE_VFORK | CLONE_VM | SIGCHLD, 0));
2527
        break;
2528
#ifdef TARGET_NR_ugetrlimit
2529
    case TARGET_NR_ugetrlimit:
2530
    {
2531
        struct rlimit rlim;
2532
        ret = get_errno(getrlimit(arg1, &rlim));
2533
        if (!is_error(ret)) {
2534
            struct target_rlimit *target_rlim = (void *)arg2;
2535
            target_rlim->rlim_cur = tswapl(rlim.rlim_cur);
2536
            target_rlim->rlim_max = tswapl(rlim.rlim_max);
2537
        }
2538
        break;
2539
    }
2540
#endif
2541
    case TARGET_NR_truncate64:
2542
        goto unimplemented;
2543
    case TARGET_NR_ftruncate64:
2544
        goto unimplemented;
2545
    case TARGET_NR_stat64:
2546
        ret = get_errno(stat(path((const char *)arg1), &st));
2547
        goto do_stat64;
2548
    case TARGET_NR_lstat64:
2549
        ret = get_errno(lstat(path((const char *)arg1), &st));
2550
        goto do_stat64;
2551
    case TARGET_NR_fstat64:
2552
        {
2553
            ret = get_errno(fstat(arg1, &st));
2554
        do_stat64:
2555
            if (!is_error(ret)) {
2556
                struct target_stat64 *target_st = (void *)arg2;
2557
                memset(target_st, 0, sizeof(struct target_stat64));
2558
                put_user(st.st_dev, &target_st->st_dev);
2559
                put_user(st.st_ino, &target_st->st_ino);
2560
#ifdef TARGET_STAT64_HAS_BROKEN_ST_INO
2561
                put_user(st.st_ino, &target_st->__st_ino);
2562
#endif
2563
                put_user(st.st_mode, &target_st->st_mode);
2564
                put_user(st.st_nlink, &target_st->st_nlink);
2565
                put_user(st.st_uid, &target_st->st_uid);
2566
                put_user(st.st_gid, &target_st->st_gid);
2567
                put_user(st.st_rdev, &target_st->st_rdev);
2568
                /* XXX: better use of kernel struct */
2569
                put_user(st.st_size, &target_st->st_size);
2570
                put_user(st.st_blksize, &target_st->st_blksize);
2571
                put_user(st.st_blocks, &target_st->st_blocks);
2572
                put_user(st.st_atime, &target_st->target_st_atime);
2573
                put_user(st.st_mtime, &target_st->target_st_mtime);
2574
                put_user(st.st_ctime, &target_st->target_st_ctime);
2575
            }
2576
        }
2577
        break;
2578

    
2579
#ifdef USE_UID16
2580
    case TARGET_NR_lchown:
2581
        ret = get_errno(lchown((const char *)arg1, low2highuid(arg2), low2highgid(arg3)));
2582
        break;
2583
    case TARGET_NR_getuid:
2584
        ret = get_errno(high2lowuid(getuid()));
2585
        break;
2586
    case TARGET_NR_getgid:
2587
        ret = get_errno(high2lowgid(getgid()));
2588
        break;
2589
    case TARGET_NR_geteuid:
2590
        ret = get_errno(high2lowuid(geteuid()));
2591
        break;
2592
    case TARGET_NR_getegid:
2593
        ret = get_errno(high2lowgid(getegid()));
2594
        break;
2595
    case TARGET_NR_setreuid:
2596
        ret = get_errno(setreuid(low2highuid(arg1), low2highuid(arg2)));
2597
        break;
2598
    case TARGET_NR_setregid:
2599
        ret = get_errno(setregid(low2highgid(arg1), low2highgid(arg2)));
2600
        break;
2601
    case TARGET_NR_getgroups:
2602
        {
2603
            int gidsetsize = arg1;
2604
            uint16_t *target_grouplist = (void *)arg2;
2605
            gid_t *grouplist;
2606
            int i;
2607

    
2608
            grouplist = alloca(gidsetsize * sizeof(gid_t));
2609
            ret = get_errno(getgroups(gidsetsize, grouplist));
2610
            if (!is_error(ret)) {
2611
                for(i = 0;i < gidsetsize; i++)
2612
                    target_grouplist[i] = tswap16(grouplist[i]);
2613
            }
2614
        }
2615
        break;
2616
    case TARGET_NR_setgroups:
2617
        {
2618
            int gidsetsize = arg1;
2619
            uint16_t *target_grouplist = (void *)arg2;
2620
            gid_t *grouplist;
2621
            int i;
2622

    
2623
            grouplist = alloca(gidsetsize * sizeof(gid_t));
2624
            for(i = 0;i < gidsetsize; i++)
2625
                grouplist[i] = tswap16(target_grouplist[i]);
2626
            ret = get_errno(setgroups(gidsetsize, grouplist));
2627
        }
2628
        break;
2629
    case TARGET_NR_fchown:
2630
        ret = get_errno(fchown(arg1, low2highuid(arg2), low2highgid(arg3)));
2631
        break;
2632
#ifdef TARGET_NR_setresuid
2633
    case TARGET_NR_setresuid:
2634
        ret = get_errno(setresuid(low2highuid(arg1), 
2635
                                  low2highuid(arg2), 
2636
                                  low2highuid(arg3)));
2637
        break;
2638
#endif
2639
#ifdef TARGET_NR_getresuid
2640
    case TARGET_NR_getresuid:
2641
        {
2642
            int ruid, euid, suid;
2643
            ret = get_errno(getresuid(&ruid, &euid, &suid));
2644
            if (!is_error(ret)) {
2645
                *(uint16_t *)arg1 = tswap16(high2lowuid(ruid));
2646
                *(uint16_t *)arg2 = tswap16(high2lowuid(euid));
2647
                *(uint16_t *)arg3 = tswap16(high2lowuid(suid));
2648
            }
2649
        }
2650
        break;
2651
#endif
2652
#ifdef TARGET_NR_getresgid
2653
    case TARGET_NR_setresgid:
2654
        ret = get_errno(setresgid(low2highgid(arg1), 
2655
                                  low2highgid(arg2), 
2656
                                  low2highgid(arg3)));
2657
        break;
2658
#endif
2659
#ifdef TARGET_NR_getresgid
2660
    case TARGET_NR_getresgid:
2661
        {
2662
            int rgid, egid, sgid;
2663
            ret = get_errno(getresgid(&rgid, &egid, &sgid));
2664
            if (!is_error(ret)) {
2665
                *(uint16_t *)arg1 = tswap16(high2lowgid(rgid));
2666
                *(uint16_t *)arg2 = tswap16(high2lowgid(egid));
2667
                *(uint16_t *)arg3 = tswap16(high2lowgid(sgid));
2668
            }
2669
        }
2670
        break;
2671
#endif
2672
    case TARGET_NR_chown:
2673
        ret = get_errno(chown((const char *)arg1, low2highuid(arg2), low2highgid(arg3)));
2674
        break;
2675
    case TARGET_NR_setuid:
2676
        ret = get_errno(setuid(low2highuid(arg1)));
2677
        break;
2678
    case TARGET_NR_setgid:
2679
        ret = get_errno(setgid(low2highgid(arg1)));
2680
        break;
2681
    case TARGET_NR_setfsuid:
2682
        ret = get_errno(setfsuid(arg1));
2683
        break;
2684
    case TARGET_NR_setfsgid:
2685
        ret = get_errno(setfsgid(arg1));
2686
        break;
2687
#endif /* USE_UID16 */
2688

    
2689
    case TARGET_NR_lchown32:
2690
        ret = get_errno(lchown((const char *)arg1, arg2, arg3));
2691
        break;
2692
    case TARGET_NR_getuid32:
2693
        ret = get_errno(getuid());
2694
        break;
2695
    case TARGET_NR_getgid32:
2696
        ret = get_errno(getgid());
2697
        break;
2698
    case TARGET_NR_geteuid32:
2699
        ret = get_errno(geteuid());
2700
        break;
2701
    case TARGET_NR_getegid32:
2702
        ret = get_errno(getegid());
2703
        break;
2704
    case TARGET_NR_setreuid32:
2705
        ret = get_errno(setreuid(arg1, arg2));
2706
        break;
2707
    case TARGET_NR_setregid32:
2708
        ret = get_errno(setregid(arg1, arg2));
2709
        break;
2710
    case TARGET_NR_getgroups32:
2711
        goto unimplemented;
2712
    case TARGET_NR_setgroups32:
2713
        goto unimplemented;
2714
    case TARGET_NR_fchown32:
2715
        ret = get_errno(fchown(arg1, arg2, arg3));
2716
        break;
2717
    case TARGET_NR_setresuid32:
2718
        ret = get_errno(setresuid(arg1, arg2, arg3));
2719
        break;
2720
    case TARGET_NR_getresuid32:
2721
        {
2722
            int ruid, euid, suid;
2723
            ret = get_errno(getresuid(&ruid, &euid, &suid));
2724
            if (!is_error(ret)) {
2725
                *(uint32_t *)arg1 = tswap32(ruid);
2726
                *(uint32_t *)arg2 = tswap32(euid);
2727
                *(uint32_t *)arg3 = tswap32(suid);
2728
            }
2729
        }
2730
        break;
2731
    case TARGET_NR_setresgid32:
2732
        ret = get_errno(setresgid(arg1, arg2, arg3));
2733
        break;
2734
    case TARGET_NR_getresgid32:
2735
        {
2736
            int rgid, egid, sgid;
2737
            ret = get_errno(getresgid(&rgid, &egid, &sgid));
2738
            if (!is_error(ret)) {
2739
                *(uint32_t *)arg1 = tswap32(rgid);
2740
                *(uint32_t *)arg2 = tswap32(egid);
2741
                *(uint32_t *)arg3 = tswap32(sgid);
2742
            }
2743
        }
2744
        break;
2745
    case TARGET_NR_chown32:
2746
        ret = get_errno(chown((const char *)arg1, arg2, arg3));
2747
        break;
2748
    case TARGET_NR_setuid32:
2749
        ret = get_errno(setuid(arg1));
2750
        break;
2751
    case TARGET_NR_setgid32:
2752
        ret = get_errno(setgid(arg1));
2753
        break;
2754
    case TARGET_NR_setfsuid32:
2755
        ret = get_errno(setfsuid(arg1));
2756
        break;
2757
    case TARGET_NR_setfsgid32:
2758
        ret = get_errno(setfsgid(arg1));
2759
        break;
2760

    
2761
    case TARGET_NR_pivot_root:
2762
        goto unimplemented;
2763
#ifdef TARGET_NR_mincore
2764
    case TARGET_NR_mincore:
2765
        goto unimplemented;
2766
#endif
2767
#ifdef TARGET_NR_madvise
2768
    case TARGET_NR_madvise:
2769
        goto unimplemented;
2770
#endif
2771
#if TARGET_LONG_BITS == 32
2772
    case TARGET_NR_fcntl64:
2773
    {
2774
        struct flock64 fl;
2775
        struct target_flock64 *target_fl = (void *)arg3;
2776

    
2777
        switch(arg2) {
2778
        case F_GETLK64:
2779
            ret = get_errno(fcntl(arg1, arg2, &fl));
2780
            if (ret == 0) {
2781
                target_fl->l_type = tswap16(fl.l_type);
2782
                target_fl->l_whence = tswap16(fl.l_whence);
2783
                target_fl->l_start = tswap64(fl.l_start);
2784
                target_fl->l_len = tswap64(fl.l_len);
2785
                target_fl->l_pid = tswapl(fl.l_pid);
2786
            }
2787
            break;
2788

    
2789
        case F_SETLK64:
2790
        case F_SETLKW64:
2791
            fl.l_type = tswap16(target_fl->l_type);
2792
            fl.l_whence = tswap16(target_fl->l_whence);
2793
            fl.l_start = tswap64(target_fl->l_start);
2794
            fl.l_len = tswap64(target_fl->l_len);
2795
            fl.l_pid = tswapl(target_fl->l_pid);
2796
            ret = get_errno(fcntl(arg1, arg2, &fl));
2797
            break;
2798
        default:
2799
            ret = get_errno(do_fcntl(arg1, arg2, arg3));
2800
            break;
2801
        }
2802
        break;
2803
    }
2804
#endif
2805
#ifdef TARGET_NR_security
2806
    case TARGET_NR_security:
2807
        goto unimplemented;
2808
#endif
2809
#ifdef TARGET_NR_getpagesize
2810
    case TARGET_NR_getpagesize:
2811
        ret = TARGET_PAGE_SIZE;
2812
        break;
2813
#endif
2814
    case TARGET_NR_gettid:
2815
        ret = get_errno(gettid());
2816
        break;
2817
    case TARGET_NR_readahead:
2818
        goto unimplemented;
2819
#ifdef TARGET_NR_setxattr
2820
    case TARGET_NR_setxattr:
2821
    case TARGET_NR_lsetxattr:
2822
    case TARGET_NR_fsetxattr:
2823
    case TARGET_NR_getxattr:
2824
    case TARGET_NR_lgetxattr:
2825
    case TARGET_NR_fgetxattr:
2826
    case TARGET_NR_listxattr:
2827
    case TARGET_NR_llistxattr:
2828
    case TARGET_NR_flistxattr:
2829
    case TARGET_NR_removexattr:
2830
    case TARGET_NR_lremovexattr:
2831
    case TARGET_NR_fremovexattr:
2832
        goto unimplemented_nowarn;
2833
#endif
2834
#ifdef TARGET_NR_set_thread_area
2835
    case TARGET_NR_set_thread_area:
2836
    case TARGET_NR_get_thread_area:
2837
        goto unimplemented_nowarn;
2838
#endif
2839
    default:
2840
    unimplemented:
2841
        gemu_log("qemu: Unsupported syscall: %d\n", num);
2842
    unimplemented_nowarn:
2843
        ret = -ENOSYS;
2844
        break;
2845
    }
2846
 fail:
2847
#ifdef DEBUG
2848
    gemu_log(" = %ld\n", ret);
2849
#endif
2850
    return ret;
2851
}
2852