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1
/*
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 *  Linux syscalls
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 * 
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 *  Copyright (c) 2003 Fabrice Bellard
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 *
6
 *  This program is free software; you can redistribute it and/or modify
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 *  it under the terms of the GNU General Public License as published by
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 *  the Free Software Foundation; either version 2 of the License, or
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 *  (at your option) any later version.
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 *
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 *  This program is distributed in the hope that it will be useful,
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 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
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 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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 *  GNU General Public License for more details.
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 *
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 *  You should have received a copy of the GNU General Public License
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 *  along with this program; if not, write to the Free Software
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 *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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 */
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#include <stdlib.h>
21
#include <stdio.h>
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#include <stdarg.h>
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#include <string.h>
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#include <elf.h>
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#include <endian.h>
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#include <errno.h>
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#include <unistd.h>
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#include <fcntl.h>
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#include <time.h>
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#include <sys/types.h>
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#include <sys/ipc.h>
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#include <sys/msg.h>
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#include <sys/wait.h>
34
#include <sys/time.h>
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#include <sys/stat.h>
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#include <sys/mount.h>
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#include <sys/prctl.h>
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#include <sys/resource.h>
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#include <sys/mman.h>
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#include <sys/swap.h>
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#include <signal.h>
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#include <sched.h>
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#include <sys/socket.h>
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#include <sys/uio.h>
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#include <sys/poll.h>
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#include <sys/times.h>
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#include <sys/shm.h>
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#include <sys/sem.h>
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#include <sys/statfs.h>
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#include <utime.h>
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#include <sys/sysinfo.h>
52
//#include <sys/user.h>
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#include <netinet/ip.h>
54
#include <netinet/tcp.h>
55

    
56
#define termios host_termios
57
#define winsize host_winsize
58
#define termio host_termio
59
#define sgttyb host_sgttyb /* same as target */
60
#define tchars host_tchars /* same as target */
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#define ltchars host_ltchars /* same as target */
62

    
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#include <linux/termios.h>
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#include <linux/unistd.h>
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#include <linux/utsname.h>
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#include <linux/cdrom.h>
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#include <linux/hdreg.h>
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#include <linux/soundcard.h>
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#include <linux/dirent.h>
70
#include <linux/kd.h>
71

    
72
#include "qemu.h"
73

    
74
//#define DEBUG
75

    
76
#if defined(TARGET_I386) || defined(TARGET_ARM) || defined(TARGET_SPARC) \
77
    || defined(TARGET_M68K)
78
/* 16 bit uid wrappers emulation */
79
#define USE_UID16
80
#endif
81

    
82
//#include <linux/msdos_fs.h>
83
#define        VFAT_IOCTL_READDIR_BOTH                _IOR('r', 1, struct dirent [2])
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#define        VFAT_IOCTL_READDIR_SHORT        _IOR('r', 2, struct dirent [2])
85

    
86

    
87
#undef _syscall0
88
#undef _syscall1
89
#undef _syscall2
90
#undef _syscall3
91
#undef _syscall4
92
#undef _syscall5
93
#undef _syscall6
94

    
95
#define _syscall0(type,name)                \
96
type name (void)                        \
97
{                                        \
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        return syscall(__NR_##name);        \
99
}
100

    
101
#define _syscall1(type,name,type1,arg1)                \
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type name (type1 arg1)                                \
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{                                                \
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        return syscall(__NR_##name, arg1);        \
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}
106

    
107
#define _syscall2(type,name,type1,arg1,type2,arg2)        \
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type name (type1 arg1,type2 arg2)                        \
109
{                                                        \
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        return syscall(__NR_##name, arg1, arg2);        \
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}
112

    
113
#define _syscall3(type,name,type1,arg1,type2,arg2,type3,arg3)        \
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type name (type1 arg1,type2 arg2,type3 arg3)                        \
115
{                                                                \
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        return syscall(__NR_##name, arg1, arg2, arg3);                \
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}
118

    
119
#define _syscall4(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4)        \
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type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4)                                \
121
{                                                                                \
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        return syscall(__NR_##name, arg1, arg2, arg3, arg4);                        \
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}
124

    
125
#define _syscall5(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4,        \
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                  type5,arg5)                                                        \
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type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4,type5 arg5)                \
128
{                                                                                \
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        return syscall(__NR_##name, arg1, arg2, arg3, arg4, arg5);                \
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}
131

    
132

    
133
#define _syscall6(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4,        \
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                  type5,arg5,type6,arg6)                                        \
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type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4,type5 arg5,type6 arg6)        \
136
{                                                                                \
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        return syscall(__NR_##name, arg1, arg2, arg3, arg4, arg5, arg6);        \
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}
139

    
140

    
141
#define __NR_sys_uname __NR_uname
142
#define __NR_sys_getcwd1 __NR_getcwd
143
#define __NR_sys_getdents __NR_getdents
144
#define __NR_sys_getdents64 __NR_getdents64
145
#define __NR_sys_rt_sigqueueinfo __NR_rt_sigqueueinfo
146
#define __NR_sys_syslog __NR_syslog
147

    
148
#if defined(__alpha__) || defined (__ia64__) || defined(__x86_64__)
149
#define __NR__llseek __NR_lseek
150
#endif
151

    
152
#ifdef __NR_gettid
153
_syscall0(int, gettid)
154
#else
155
static int gettid(void) {
156
    return -ENOSYS;
157
}
158
#endif
159
_syscall1(int,sys_uname,struct new_utsname *,buf)
160
_syscall2(int,sys_getcwd1,char *,buf,size_t,size)
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_syscall3(int, sys_getdents, uint, fd, struct dirent *, dirp, uint, count);
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_syscall3(int, sys_getdents64, uint, fd, struct dirent64 *, dirp, uint, count);
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_syscall5(int, _llseek,  uint,  fd, ulong, hi, ulong, lo,
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          loff_t *, res, uint, wh);
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_syscall3(int,sys_rt_sigqueueinfo,int,pid,int,sig,siginfo_t *,uinfo)
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_syscall3(int,sys_syslog,int,type,char*,bufp,int,len)
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#ifdef __NR_exit_group
168
_syscall1(int,exit_group,int,error_code)
169
#endif
170
#if defined(TARGET_NR_set_tid_address) && defined(__NR_set_tid_address)
171
_syscall1(int,set_tid_address,int *,tidptr)
172
#endif
173

    
174
extern int personality(int);
175
extern int flock(int, int);
176
extern int setfsuid(int);
177
extern int setfsgid(int);
178
extern int setresuid(uid_t, uid_t, uid_t);
179
extern int getresuid(uid_t *, uid_t *, uid_t *);
180
extern int setresgid(gid_t, gid_t, gid_t);
181
extern int getresgid(gid_t *, gid_t *, gid_t *);
182
extern int setgroups(int, gid_t *);
183

    
184
static inline long get_errno(long ret)
185
{
186
    if (ret == -1)
187
        return -errno;
188
    else
189
        return ret;
190
}
191

    
192
static inline int is_error(long ret)
193
{
194
    return (unsigned long)ret >= (unsigned long)(-4096);
195
}
196

    
197
static target_ulong target_brk;
198
static target_ulong target_original_brk;
199

    
200
void target_set_brk(target_ulong new_brk)
201
{
202
    target_original_brk = target_brk = new_brk;
203
}
204

    
205
long do_brk(target_ulong new_brk)
206
{
207
    target_ulong brk_page;
208
    long mapped_addr;
209
    int        new_alloc_size;
210

    
211
    if (!new_brk)
212
        return target_brk;
213
    if (new_brk < target_original_brk)
214
        return -ENOMEM;
215
    
216
    brk_page = HOST_PAGE_ALIGN(target_brk);
217

    
218
    /* If the new brk is less than this, set it and we're done... */
219
    if (new_brk < brk_page) {
220
        target_brk = new_brk;
221
            return target_brk;
222
    }
223

    
224
    /* We need to allocate more memory after the brk... */
225
    new_alloc_size = HOST_PAGE_ALIGN(new_brk - brk_page + 1);
226
    mapped_addr = get_errno(target_mmap(brk_page, new_alloc_size, 
227
                                        PROT_READ|PROT_WRITE,
228
                                        MAP_ANON|MAP_FIXED|MAP_PRIVATE, 0, 0));
229
    if (is_error(mapped_addr)) {
230
        return mapped_addr;
231
    } else {
232
        target_brk = new_brk;
233
            return target_brk;
234
    }
235
}
236

    
237
static inline fd_set *target_to_host_fds(fd_set *fds, 
238
                                         target_long *target_fds, int n)
239
{
240
#if !defined(BSWAP_NEEDED) && !defined(WORDS_BIGENDIAN)
241
    return (fd_set *)target_fds;
242
#else
243
    int i, b;
244
    if (target_fds) {
245
        FD_ZERO(fds);
246
        for(i = 0;i < n; i++) {
247
            b = (tswapl(target_fds[i / TARGET_LONG_BITS]) >>
248
                 (i & (TARGET_LONG_BITS - 1))) & 1;
249
            if (b)
250
                FD_SET(i, fds);
251
        }
252
        return fds;
253
    } else {
254
        return NULL;
255
    }
256
#endif
257
}
258

    
259
static inline void host_to_target_fds(target_long *target_fds, 
260
                                      fd_set *fds, int n)
261
{
262
#if !defined(BSWAP_NEEDED) && !defined(WORDS_BIGENDIAN)
263
    /* nothing to do */
264
#else
265
    int i, nw, j, k;
266
    target_long v;
267

    
268
    if (target_fds) {
269
        nw = (n + TARGET_LONG_BITS - 1) / TARGET_LONG_BITS;
270
        k = 0;
271
        for(i = 0;i < nw; i++) {
272
            v = 0;
273
            for(j = 0; j < TARGET_LONG_BITS; j++) {
274
                v |= ((FD_ISSET(k, fds) != 0) << j);
275
                k++;
276
            }
277
            target_fds[i] = tswapl(v);
278
        }
279
    }
280
#endif
281
}
282

    
283
#if defined(__alpha__)
284
#define HOST_HZ 1024
285
#else
286
#define HOST_HZ 100
287
#endif
288

    
289
static inline long host_to_target_clock_t(long ticks)
290
{
291
#if HOST_HZ == TARGET_HZ
292
    return ticks;
293
#else
294
    return ((int64_t)ticks * TARGET_HZ) / HOST_HZ;
295
#endif
296
}
297

    
298
static inline void host_to_target_rusage(target_ulong target_addr,
299
                                         const struct rusage *rusage)
300
{
301
    struct target_rusage *target_rusage;
302

    
303
    lock_user_struct(target_rusage, target_addr, 0);
304
    target_rusage->ru_utime.tv_sec = tswapl(rusage->ru_utime.tv_sec);
305
    target_rusage->ru_utime.tv_usec = tswapl(rusage->ru_utime.tv_usec);
306
    target_rusage->ru_stime.tv_sec = tswapl(rusage->ru_stime.tv_sec);
307
    target_rusage->ru_stime.tv_usec = tswapl(rusage->ru_stime.tv_usec);
308
    target_rusage->ru_maxrss = tswapl(rusage->ru_maxrss);
309
    target_rusage->ru_ixrss = tswapl(rusage->ru_ixrss);
310
    target_rusage->ru_idrss = tswapl(rusage->ru_idrss);
311
    target_rusage->ru_isrss = tswapl(rusage->ru_isrss);
312
    target_rusage->ru_minflt = tswapl(rusage->ru_minflt);
313
    target_rusage->ru_majflt = tswapl(rusage->ru_majflt);
314
    target_rusage->ru_nswap = tswapl(rusage->ru_nswap);
315
    target_rusage->ru_inblock = tswapl(rusage->ru_inblock);
316
    target_rusage->ru_oublock = tswapl(rusage->ru_oublock);
317
    target_rusage->ru_msgsnd = tswapl(rusage->ru_msgsnd);
318
    target_rusage->ru_msgrcv = tswapl(rusage->ru_msgrcv);
319
    target_rusage->ru_nsignals = tswapl(rusage->ru_nsignals);
320
    target_rusage->ru_nvcsw = tswapl(rusage->ru_nvcsw);
321
    target_rusage->ru_nivcsw = tswapl(rusage->ru_nivcsw);
322
    unlock_user_struct(target_rusage, target_addr, 1);
323
}
324

    
325
static inline void target_to_host_timeval(struct timeval *tv,
326
                                          target_ulong target_addr)
327
{
328
    struct target_timeval *target_tv;
329

    
330
    lock_user_struct(target_tv, target_addr, 1);
331
    tv->tv_sec = tswapl(target_tv->tv_sec);
332
    tv->tv_usec = tswapl(target_tv->tv_usec);
333
    unlock_user_struct(target_tv, target_addr, 0);
334
}
335

    
336
static inline void host_to_target_timeval(target_ulong target_addr,
337
                                          const struct timeval *tv)
338
{
339
    struct target_timeval *target_tv;
340

    
341
    lock_user_struct(target_tv, target_addr, 0);
342
    target_tv->tv_sec = tswapl(tv->tv_sec);
343
    target_tv->tv_usec = tswapl(tv->tv_usec);
344
    unlock_user_struct(target_tv, target_addr, 1);
345
}
346

    
347

    
348
static long do_select(long n, 
349
                      target_ulong rfd_p, target_ulong wfd_p, 
350
                      target_ulong efd_p, target_ulong target_tv)
351
{
352
    fd_set rfds, wfds, efds;
353
    fd_set *rfds_ptr, *wfds_ptr, *efds_ptr;
354
    target_long *target_rfds, *target_wfds, *target_efds;
355
    struct timeval tv, *tv_ptr;
356
    long ret;
357
    int ok;
358

    
359
    if (rfd_p) {
360
        target_rfds = lock_user(rfd_p, sizeof(target_long) * n, 1);
361
        rfds_ptr = target_to_host_fds(&rfds, target_rfds, n);
362
    } else {
363
        target_rfds = NULL;
364
        rfds_ptr = NULL;
365
    }
366
    if (wfd_p) {
367
        target_wfds = lock_user(wfd_p, sizeof(target_long) * n, 1);
368
        wfds_ptr = target_to_host_fds(&wfds, target_wfds, n);
369
    } else {
370
        target_wfds = NULL;
371
        wfds_ptr = NULL;
372
    }
373
    if (efd_p) {
374
        target_efds = lock_user(efd_p, sizeof(target_long) * n, 1);
375
        efds_ptr = target_to_host_fds(&efds, target_efds, n);
376
    } else {
377
        target_efds = NULL;
378
        efds_ptr = NULL;
379
    }
380
            
381
    if (target_tv) {
382
        target_to_host_timeval(&tv, target_tv);
383
        tv_ptr = &tv;
384
    } else {
385
        tv_ptr = NULL;
386
    }
387
    ret = get_errno(select(n, rfds_ptr, wfds_ptr, efds_ptr, tv_ptr));
388
    ok = !is_error(ret);
389

    
390
    if (ok) {
391
        host_to_target_fds(target_rfds, rfds_ptr, n);
392
        host_to_target_fds(target_wfds, wfds_ptr, n);
393
        host_to_target_fds(target_efds, efds_ptr, n);
394

    
395
        if (target_tv) {
396
            host_to_target_timeval(target_tv, &tv);
397
        }
398
    }
399
    if (target_rfds)
400
        unlock_user(target_rfds, rfd_p, ok ? sizeof(target_long) * n : 0);
401
    if (target_wfds)
402
        unlock_user(target_wfds, wfd_p, ok ? sizeof(target_long) * n : 0);
403
    if (target_efds)
404
        unlock_user(target_efds, efd_p, ok ? sizeof(target_long) * n : 0);
405

    
406
    return ret;
407
}
408

    
409
static inline void target_to_host_sockaddr(struct sockaddr *addr,
410
                                           target_ulong target_addr,
411
                                           socklen_t len)
412
{
413
    struct target_sockaddr *target_saddr;
414

    
415
    target_saddr = lock_user(target_addr, len, 1);
416
    memcpy(addr, target_saddr, len);
417
    addr->sa_family = tswap16(target_saddr->sa_family);
418
    unlock_user(target_saddr, target_addr, 0);
419
}
420

    
421
static inline void host_to_target_sockaddr(target_ulong target_addr,
422
                                           struct sockaddr *addr,
423
                                           socklen_t len)
424
{
425
    struct target_sockaddr *target_saddr;
426

    
427
    target_saddr = lock_user(target_addr, len, 0);
428
    memcpy(target_saddr, addr, len);
429
    target_saddr->sa_family = tswap16(addr->sa_family);
430
    unlock_user(target_saddr, target_addr, len);
431
}
432

    
433
/* ??? Should this also swap msgh->name?  */
434
static inline void target_to_host_cmsg(struct msghdr *msgh,
435
                                       struct target_msghdr *target_msgh)
436
{
437
    struct cmsghdr *cmsg = CMSG_FIRSTHDR(msgh);
438
    struct target_cmsghdr *target_cmsg = TARGET_CMSG_FIRSTHDR(target_msgh);
439
    socklen_t space = 0;
440

    
441
    while (cmsg && target_cmsg) {
442
        void *data = CMSG_DATA(cmsg);
443
        void *target_data = TARGET_CMSG_DATA(target_cmsg);
444

    
445
        int len = tswapl(target_cmsg->cmsg_len) 
446
                  - TARGET_CMSG_ALIGN(sizeof (struct target_cmsghdr));
447

    
448
        space += CMSG_SPACE(len);
449
        if (space > msgh->msg_controllen) {
450
            space -= CMSG_SPACE(len);
451
            gemu_log("Host cmsg overflow\n");
452
            break;
453
        }
454

    
455
        cmsg->cmsg_level = tswap32(target_cmsg->cmsg_level);
456
        cmsg->cmsg_type = tswap32(target_cmsg->cmsg_type);
457
        cmsg->cmsg_len = CMSG_LEN(len);
458

    
459
        if (cmsg->cmsg_level != TARGET_SOL_SOCKET || cmsg->cmsg_type != SCM_RIGHTS) {
460
            gemu_log("Unsupported ancillary data: %d/%d\n", cmsg->cmsg_level, cmsg->cmsg_type);
461
            memcpy(data, target_data, len);
462
        } else {
463
            int *fd = (int *)data;
464
            int *target_fd = (int *)target_data;
465
            int i, numfds = len / sizeof(int);
466

    
467
            for (i = 0; i < numfds; i++)
468
                fd[i] = tswap32(target_fd[i]);
469
        }
470

    
471
        cmsg = CMSG_NXTHDR(msgh, cmsg);
472
        target_cmsg = TARGET_CMSG_NXTHDR(target_msgh, target_cmsg);
473
    }
474

    
475
    msgh->msg_controllen = space;
476
}
477

    
478
/* ??? Should this also swap msgh->name?  */
479
static inline void host_to_target_cmsg(struct target_msghdr *target_msgh,
480
                                       struct msghdr *msgh)
481
{
482
    struct cmsghdr *cmsg = CMSG_FIRSTHDR(msgh);
483
    struct target_cmsghdr *target_cmsg = TARGET_CMSG_FIRSTHDR(target_msgh);
484
    socklen_t space = 0;
485

    
486
    while (cmsg && target_cmsg) {
487
        void *data = CMSG_DATA(cmsg);
488
        void *target_data = TARGET_CMSG_DATA(target_cmsg);
489

    
490
        int len = cmsg->cmsg_len - CMSG_ALIGN(sizeof (struct cmsghdr));
491

    
492
        space += TARGET_CMSG_SPACE(len);
493
        if (space > tswapl(target_msgh->msg_controllen)) {
494
            space -= TARGET_CMSG_SPACE(len);
495
            gemu_log("Target cmsg overflow\n");
496
            break;
497
        }
498

    
499
        target_cmsg->cmsg_level = tswap32(cmsg->cmsg_level);
500
        target_cmsg->cmsg_type = tswap32(cmsg->cmsg_type);
501
        target_cmsg->cmsg_len = tswapl(TARGET_CMSG_LEN(len));
502

    
503
        if (cmsg->cmsg_level != TARGET_SOL_SOCKET || cmsg->cmsg_type != SCM_RIGHTS) {
504
            gemu_log("Unsupported ancillary data: %d/%d\n", cmsg->cmsg_level, cmsg->cmsg_type);
505
            memcpy(target_data, data, len);
506
        } else {
507
            int *fd = (int *)data;
508
            int *target_fd = (int *)target_data;
509
            int i, numfds = len / sizeof(int);
510

    
511
            for (i = 0; i < numfds; i++)
512
                target_fd[i] = tswap32(fd[i]);
513
        }
514

    
515
        cmsg = CMSG_NXTHDR(msgh, cmsg);
516
        target_cmsg = TARGET_CMSG_NXTHDR(target_msgh, target_cmsg);
517
    }
518

    
519
    msgh->msg_controllen = tswapl(space);
520
}
521

    
522
static long do_setsockopt(int sockfd, int level, int optname, 
523
                          target_ulong optval, socklen_t optlen)
524
{
525
    int val, ret;
526
            
527
    switch(level) {
528
    case SOL_TCP:
529
        /* TCP options all take an 'int' value.  */
530
        if (optlen < sizeof(uint32_t))
531
            return -EINVAL;
532
        
533
        val = tget32(optval);
534
        ret = get_errno(setsockopt(sockfd, level, optname, &val, sizeof(val)));
535
        break;
536
    case SOL_IP:
537
        switch(optname) {
538
        case IP_TOS:
539
        case IP_TTL:
540
        case IP_HDRINCL:
541
        case IP_ROUTER_ALERT:
542
        case IP_RECVOPTS:
543
        case IP_RETOPTS:
544
        case IP_PKTINFO:
545
        case IP_MTU_DISCOVER:
546
        case IP_RECVERR:
547
        case IP_RECVTOS:
548
#ifdef IP_FREEBIND
549
        case IP_FREEBIND:
550
#endif
551
        case IP_MULTICAST_TTL:
552
        case IP_MULTICAST_LOOP:
553
            val = 0;
554
            if (optlen >= sizeof(uint32_t)) {
555
                val = tget32(optval);
556
            } else if (optlen >= 1) {
557
                val = tget8(optval);
558
            }
559
            ret = get_errno(setsockopt(sockfd, level, optname, &val, sizeof(val)));
560
            break;
561
        default:
562
            goto unimplemented;
563
        }
564
        break;
565
    case TARGET_SOL_SOCKET:
566
        switch (optname) {
567
            /* Options with 'int' argument.  */
568
        case TARGET_SO_DEBUG:
569
                optname = SO_DEBUG;
570
                break;
571
        case TARGET_SO_REUSEADDR:
572
                optname = SO_REUSEADDR;
573
                break;
574
        case TARGET_SO_TYPE:
575
                optname = SO_TYPE;
576
                break;
577
        case TARGET_SO_ERROR:
578
                optname = SO_ERROR;
579
                break;
580
        case TARGET_SO_DONTROUTE:
581
                optname = SO_DONTROUTE;
582
                break;
583
        case TARGET_SO_BROADCAST:
584
                optname = SO_BROADCAST;
585
                break;
586
        case TARGET_SO_SNDBUF:
587
                optname = SO_SNDBUF;
588
                break;
589
        case TARGET_SO_RCVBUF:
590
                optname = SO_RCVBUF;
591
                break;
592
        case TARGET_SO_KEEPALIVE:
593
                optname = SO_KEEPALIVE;
594
                break;
595
        case TARGET_SO_OOBINLINE:
596
                optname = SO_OOBINLINE;
597
                break;
598
        case TARGET_SO_NO_CHECK:
599
                optname = SO_NO_CHECK;
600
                break;
601
        case TARGET_SO_PRIORITY:
602
                optname = SO_PRIORITY;
603
                break;
604
#ifdef SO_BSDCOMPAT
605
        case TARGET_SO_BSDCOMPAT:
606
                optname = SO_BSDCOMPAT;
607
                break;
608
#endif
609
        case TARGET_SO_PASSCRED:
610
                optname = SO_PASSCRED;
611
                break;
612
        case TARGET_SO_TIMESTAMP:
613
                optname = SO_TIMESTAMP;
614
                break;
615
        case TARGET_SO_RCVLOWAT:
616
                optname = SO_RCVLOWAT;
617
                break;
618
        case TARGET_SO_RCVTIMEO:
619
                optname = SO_RCVTIMEO;
620
                break;
621
        case TARGET_SO_SNDTIMEO:
622
                optname = SO_SNDTIMEO;
623
                break;
624
            break;
625
        default:
626
            goto unimplemented;
627
        }
628
        if (optlen < sizeof(uint32_t))
629
        return -EINVAL;
630

    
631
        val = tget32(optval);
632
        ret = get_errno(setsockopt(sockfd, SOL_SOCKET, optname, &val, sizeof(val)));
633
        break;
634
    default:
635
    unimplemented:
636
        gemu_log("Unsupported setsockopt level=%d optname=%d \n", level, optname);
637
        ret = -ENOSYS;
638
    }
639
    return ret;
640
}
641

    
642
static long do_getsockopt(int sockfd, int level, int optname, 
643
                          target_ulong optval, target_ulong optlen)
644
{
645
    int len, lv, val, ret;
646

    
647
    switch(level) {
648
    case TARGET_SOL_SOCKET:
649
            level = SOL_SOCKET;
650
        switch (optname) {
651
        case TARGET_SO_LINGER:
652
        case TARGET_SO_RCVTIMEO:
653
        case TARGET_SO_SNDTIMEO:
654
        case TARGET_SO_PEERCRED:
655
        case TARGET_SO_PEERNAME:
656
            /* These don't just return a single integer */
657
            goto unimplemented;
658
        default:
659
            goto int_case;
660
        }
661
        break;
662
    case SOL_TCP:
663
        /* TCP options all take an 'int' value.  */
664
    int_case:
665
        len = tget32(optlen);
666
        if (len < 0)
667
            return -EINVAL;
668
        lv = sizeof(int);
669
        ret = get_errno(getsockopt(sockfd, level, optname, &val, &lv));
670
        if (ret < 0)
671
            return ret;
672
        val = tswap32(val);
673
        if (len > lv)
674
            len = lv;
675
        if (len == 4)
676
            tput32(optval, val);
677
        else
678
            tput8(optval, val);
679
        tput32(optlen, len);
680
        break;
681
    case SOL_IP:
682
        switch(optname) {
683
        case IP_TOS:
684
        case IP_TTL:
685
        case IP_HDRINCL:
686
        case IP_ROUTER_ALERT:
687
        case IP_RECVOPTS:
688
        case IP_RETOPTS:
689
        case IP_PKTINFO:
690
        case IP_MTU_DISCOVER:
691
        case IP_RECVERR:
692
        case IP_RECVTOS:
693
#ifdef IP_FREEBIND
694
        case IP_FREEBIND:
695
#endif
696
        case IP_MULTICAST_TTL:
697
        case IP_MULTICAST_LOOP:
698
            len = tget32(optlen);
699
            if (len < 0)
700
                return -EINVAL;
701
            lv = sizeof(int);
702
            ret = get_errno(getsockopt(sockfd, level, optname, &val, &lv));
703
            if (ret < 0)
704
                return ret;
705
            if (len < sizeof(int) && len > 0 && val >= 0 && val < 255) {
706
                len = 1;
707
                tput32(optlen, len);
708
                tput8(optval, val);
709
            } else {
710
                if (len > sizeof(int))
711
                    len = sizeof(int);
712
                tput32(optlen, len);
713
                tput32(optval, val);
714
            }
715
            break;
716
        default:
717
            goto unimplemented;
718
        }
719
        break;
720
    default:
721
    unimplemented:
722
        gemu_log("getsockopt level=%d optname=%d not yet supported\n",
723
                 level, optname);
724
        ret = -ENOSYS;
725
        break;
726
    }
727
    return ret;
728
}
729

    
730
static void lock_iovec(struct iovec *vec, target_ulong target_addr,
731
                       int count, int copy)
732
{
733
    struct target_iovec *target_vec;
734
    target_ulong base;
735
    int i;
736

    
737
    target_vec = lock_user(target_addr, count * sizeof(struct target_iovec), 1);
738
    for(i = 0;i < count; i++) {
739
        base = tswapl(target_vec[i].iov_base);
740
        vec[i].iov_len = tswapl(target_vec[i].iov_len);
741
        vec[i].iov_base = lock_user(base, vec[i].iov_len, copy);
742
    }
743
    unlock_user (target_vec, target_addr, 0);
744
}
745

    
746
static void unlock_iovec(struct iovec *vec, target_ulong target_addr,
747
                         int count, int copy)
748
{
749
    struct target_iovec *target_vec;
750
    target_ulong base;
751
    int i;
752

    
753
    target_vec = lock_user(target_addr, count * sizeof(struct target_iovec), 1);
754
    for(i = 0;i < count; i++) {
755
        base = tswapl(target_vec[i].iov_base);
756
        unlock_user(vec[i].iov_base, base, copy ? vec[i].iov_len : 0);
757
    }
758
    unlock_user (target_vec, target_addr, 0);
759
}
760

    
761
static long do_socket(int domain, int type, int protocol)
762
{
763
#if defined(TARGET_MIPS)
764
    switch(type) {
765
    case TARGET_SOCK_DGRAM:
766
        type = SOCK_DGRAM;
767
        break;
768
    case TARGET_SOCK_STREAM:
769
        type = SOCK_STREAM;
770
        break;
771
    case TARGET_SOCK_RAW:
772
        type = SOCK_RAW;
773
        break;
774
    case TARGET_SOCK_RDM:
775
        type = SOCK_RDM;
776
        break;
777
    case TARGET_SOCK_SEQPACKET:
778
        type = SOCK_SEQPACKET;
779
        break;
780
    case TARGET_SOCK_PACKET:
781
        type = SOCK_PACKET;
782
        break;
783
    }
784
#endif
785
    return get_errno(socket(domain, type, protocol));
786
}
787

    
788
static long do_bind(int sockfd, target_ulong target_addr,
789
                    socklen_t addrlen)
790
{
791
    void *addr = alloca(addrlen);
792
    
793
    target_to_host_sockaddr(addr, target_addr, addrlen);
794
    return get_errno(bind(sockfd, addr, addrlen));
795
}
796

    
797
static long do_connect(int sockfd, target_ulong target_addr,
798
                    socklen_t addrlen)
799
{
800
    void *addr = alloca(addrlen);
801
    
802
    target_to_host_sockaddr(addr, target_addr, addrlen);
803
    return get_errno(connect(sockfd, addr, addrlen));
804
}
805

    
806
static long do_sendrecvmsg(int fd, target_ulong target_msg,
807
                           int flags, int send)
808
{
809
    long ret;
810
    struct target_msghdr *msgp;
811
    struct msghdr msg;
812
    int count;
813
    struct iovec *vec;
814
    target_ulong target_vec;
815

    
816
    lock_user_struct(msgp, target_msg, 1);
817
    if (msgp->msg_name) {
818
        msg.msg_namelen = tswap32(msgp->msg_namelen);
819
        msg.msg_name = alloca(msg.msg_namelen);
820
        target_to_host_sockaddr(msg.msg_name, tswapl(msgp->msg_name),
821
                                msg.msg_namelen);
822
    } else {
823
        msg.msg_name = NULL;
824
        msg.msg_namelen = 0;
825
    }
826
    msg.msg_controllen = 2 * tswapl(msgp->msg_controllen);
827
    msg.msg_control = alloca(msg.msg_controllen);
828
    msg.msg_flags = tswap32(msgp->msg_flags);
829
    
830
    count = tswapl(msgp->msg_iovlen);
831
    vec = alloca(count * sizeof(struct iovec));
832
    target_vec = tswapl(msgp->msg_iov);
833
    lock_iovec(vec, target_vec, count, send);
834
    msg.msg_iovlen = count;
835
    msg.msg_iov = vec;
836
    
837
    if (send) {
838
        target_to_host_cmsg(&msg, msgp);
839
        ret = get_errno(sendmsg(fd, &msg, flags));
840
    } else {
841
        ret = get_errno(recvmsg(fd, &msg, flags));
842
        if (!is_error(ret))
843
            host_to_target_cmsg(msgp, &msg);
844
    }
845
    unlock_iovec(vec, target_vec, count, !send);
846
    return ret;
847
}
848

    
849
static long do_accept(int fd, target_ulong target_addr,
850
                      target_ulong target_addrlen)
851
{
852
    socklen_t addrlen = tget32(target_addrlen);
853
    void *addr = alloca(addrlen);
854
    long ret;
855

    
856
    ret = get_errno(accept(fd, addr, &addrlen));
857
    if (!is_error(ret)) {
858
        host_to_target_sockaddr(target_addr, addr, addrlen);
859
        tput32(target_addrlen, addrlen);
860
    }
861
    return ret;
862
}
863

    
864
static long do_getpeername(int fd, target_ulong target_addr,
865
                           target_ulong target_addrlen)
866
{
867
    socklen_t addrlen = tget32(target_addrlen);
868
    void *addr = alloca(addrlen);
869
    long ret;
870

    
871
    ret = get_errno(getpeername(fd, addr, &addrlen));
872
    if (!is_error(ret)) {
873
        host_to_target_sockaddr(target_addr, addr, addrlen);
874
        tput32(target_addrlen, addrlen);
875
    }
876
    return ret;
877
}
878

    
879
static long do_getsockname(int fd, target_ulong target_addr,
880
                           target_ulong target_addrlen)
881
{
882
    socklen_t addrlen = tget32(target_addrlen);
883
    void *addr = alloca(addrlen);
884
    long ret;
885

    
886
    ret = get_errno(getsockname(fd, addr, &addrlen));
887
    if (!is_error(ret)) {
888
        host_to_target_sockaddr(target_addr, addr, addrlen);
889
        tput32(target_addrlen, addrlen);
890
    }
891
    return ret;
892
}
893

    
894
static long do_socketpair(int domain, int type, int protocol,
895
                          target_ulong target_tab)
896
{
897
    int tab[2];
898
    long ret;
899

    
900
    ret = get_errno(socketpair(domain, type, protocol, tab));
901
    if (!is_error(ret)) {
902
        tput32(target_tab, tab[0]);
903
        tput32(target_tab + 4, tab[1]);
904
    }
905
    return ret;
906
}
907

    
908
static long do_sendto(int fd, target_ulong msg, size_t len, int flags,
909
                      target_ulong target_addr, socklen_t addrlen)
910
{
911
    void *addr;
912
    void *host_msg;
913
    long ret;
914

    
915
    host_msg = lock_user(msg, len, 1);
916
    if (target_addr) {
917
        addr = alloca(addrlen);
918
        target_to_host_sockaddr(addr, target_addr, addrlen);
919
        ret = get_errno(sendto(fd, host_msg, len, flags, addr, addrlen));
920
    } else {
921
        ret = get_errno(send(fd, host_msg, len, flags));
922
    }
923
    unlock_user(host_msg, msg, 0);
924
    return ret;
925
}
926

    
927
static long do_recvfrom(int fd, target_ulong msg, size_t len, int flags,
928
                        target_ulong target_addr, target_ulong target_addrlen)
929
{
930
    socklen_t addrlen;
931
    void *addr;
932
    void *host_msg;
933
    long ret;
934

    
935
    host_msg = lock_user(msg, len, 0);
936
    if (target_addr) {
937
        addrlen = tget32(target_addrlen);
938
        addr = alloca(addrlen);
939
        ret = get_errno(recvfrom(fd, host_msg, len, flags, addr, &addrlen));
940
    } else {
941
        addr = NULL; /* To keep compiler quiet.  */
942
        ret = get_errno(recv(fd, host_msg, len, flags));
943
    }
944
    if (!is_error(ret)) {
945
        if (target_addr) {
946
            host_to_target_sockaddr(target_addr, addr, addrlen);
947
            tput32(target_addrlen, addrlen);
948
        }
949
        unlock_user(host_msg, msg, len);
950
    } else {
951
        unlock_user(host_msg, msg, 0);
952
    }
953
    return ret;
954
}
955

    
956
static long do_socketcall(int num, target_ulong vptr)
957
{
958
    long ret;
959
    const int n = sizeof(target_ulong);
960

    
961
    switch(num) {
962
    case SOCKOP_socket:
963
        {
964
            int domain = tgetl(vptr);
965
            int type = tgetl(vptr + n);
966
            int protocol = tgetl(vptr + 2 * n);
967
            ret = do_socket(domain, type, protocol);
968
        }
969
        break;
970
    case SOCKOP_bind:
971
        {
972
            int sockfd = tgetl(vptr);
973
            target_ulong target_addr = tgetl(vptr + n);
974
            socklen_t addrlen = tgetl(vptr + 2 * n);
975
            ret = do_bind(sockfd, target_addr, addrlen);
976
        }
977
        break;
978
    case SOCKOP_connect:
979
        {
980
            int sockfd = tgetl(vptr);
981
            target_ulong target_addr = tgetl(vptr + n);
982
            socklen_t addrlen = tgetl(vptr + 2 * n);
983
            ret = do_connect(sockfd, target_addr, addrlen);
984
        }
985
        break;
986
    case SOCKOP_listen:
987
        {
988
            int sockfd = tgetl(vptr);
989
            int backlog = tgetl(vptr + n);
990
            ret = get_errno(listen(sockfd, backlog));
991
        }
992
        break;
993
    case SOCKOP_accept:
994
        {
995
            int sockfd = tgetl(vptr);
996
            target_ulong target_addr = tgetl(vptr + n);
997
            target_ulong target_addrlen = tgetl(vptr + 2 * n);
998
            ret = do_accept(sockfd, target_addr, target_addrlen);
999
        }
1000
        break;
1001
    case SOCKOP_getsockname:
1002
        {
1003
            int sockfd = tgetl(vptr);
1004
            target_ulong target_addr = tgetl(vptr + n);
1005
            target_ulong target_addrlen = tgetl(vptr + 2 * n);
1006
            ret = do_getsockname(sockfd, target_addr, target_addrlen);
1007
        }
1008
        break;
1009
    case SOCKOP_getpeername:
1010
        {
1011
            int sockfd = tgetl(vptr);
1012
            target_ulong target_addr = tgetl(vptr + n);
1013
            target_ulong target_addrlen = tgetl(vptr + 2 * n);
1014
            ret = do_getpeername(sockfd, target_addr, target_addrlen);
1015
        }
1016
        break;
1017
    case SOCKOP_socketpair:
1018
        {
1019
            int domain = tgetl(vptr);
1020
            int type = tgetl(vptr + n);
1021
            int protocol = tgetl(vptr + 2 * n);
1022
            target_ulong tab = tgetl(vptr + 3 * n);
1023
            ret = do_socketpair(domain, type, protocol, tab);
1024
        }
1025
        break;
1026
    case SOCKOP_send:
1027
        {
1028
            int sockfd = tgetl(vptr);
1029
            target_ulong msg = tgetl(vptr + n);
1030
            size_t len = tgetl(vptr + 2 * n);
1031
            int flags = tgetl(vptr + 3 * n);
1032
            ret = do_sendto(sockfd, msg, len, flags, 0, 0);
1033
        }
1034
        break;
1035
    case SOCKOP_recv:
1036
        {
1037
            int sockfd = tgetl(vptr);
1038
            target_ulong msg = tgetl(vptr + n);
1039
            size_t len = tgetl(vptr + 2 * n);
1040
            int flags = tgetl(vptr + 3 * n);
1041
            ret = do_recvfrom(sockfd, msg, len, flags, 0, 0);
1042
        }
1043
        break;
1044
    case SOCKOP_sendto:
1045
        {
1046
            int sockfd = tgetl(vptr);
1047
            target_ulong msg = tgetl(vptr + n);
1048
            size_t len = tgetl(vptr + 2 * n);
1049
            int flags = tgetl(vptr + 3 * n);
1050
            target_ulong addr = tgetl(vptr + 4 * n);
1051
            socklen_t addrlen = tgetl(vptr + 5 * n);
1052
            ret = do_sendto(sockfd, msg, len, flags, addr, addrlen);
1053
        }
1054
        break;
1055
    case SOCKOP_recvfrom:
1056
        {
1057
            int sockfd = tgetl(vptr);
1058
            target_ulong msg = tgetl(vptr + n);
1059
            size_t len = tgetl(vptr + 2 * n);
1060
            int flags = tgetl(vptr + 3 * n);
1061
            target_ulong addr = tgetl(vptr + 4 * n);
1062
            target_ulong addrlen = tgetl(vptr + 5 * n);
1063
            ret = do_recvfrom(sockfd, msg, len, flags, addr, addrlen);
1064
        }
1065
        break;
1066
    case SOCKOP_shutdown:
1067
        {
1068
            int sockfd = tgetl(vptr);
1069
            int how = tgetl(vptr + n);
1070

    
1071
            ret = get_errno(shutdown(sockfd, how));
1072
        }
1073
        break;
1074
    case SOCKOP_sendmsg:
1075
    case SOCKOP_recvmsg:
1076
        {
1077
            int fd;
1078
            target_ulong target_msg;
1079
            int flags;
1080

    
1081
            fd = tgetl(vptr);
1082
            target_msg = tgetl(vptr + n);
1083
            flags = tgetl(vptr + 2 * n);
1084

    
1085
            ret = do_sendrecvmsg(fd, target_msg, flags, 
1086
                                 (num == SOCKOP_sendmsg));
1087
        }
1088
        break;
1089
    case SOCKOP_setsockopt:
1090
        {
1091
            int sockfd = tgetl(vptr);
1092
            int level = tgetl(vptr + n);
1093
            int optname = tgetl(vptr + 2 * n);
1094
            target_ulong optval = tgetl(vptr + 3 * n);
1095
            socklen_t optlen = tgetl(vptr + 4 * n);
1096

    
1097
            ret = do_setsockopt(sockfd, level, optname, optval, optlen);
1098
        }
1099
        break;
1100
    case SOCKOP_getsockopt:
1101
        {
1102
            int sockfd = tgetl(vptr);
1103
            int level = tgetl(vptr + n);
1104
            int optname = tgetl(vptr + 2 * n);
1105
            target_ulong optval = tgetl(vptr + 3 * n);
1106
            target_ulong poptlen = tgetl(vptr + 4 * n);
1107

    
1108
            ret = do_getsockopt(sockfd, level, optname, optval, poptlen);
1109
        }
1110
        break;
1111
    default:
1112
        gemu_log("Unsupported socketcall: %d\n", num);
1113
        ret = -ENOSYS;
1114
        break;
1115
    }
1116
    return ret;
1117
}
1118

    
1119
#define N_SHM_REGIONS        32
1120

    
1121
static struct shm_region {
1122
    uint32_t        start;
1123
    uint32_t        size;
1124
} shm_regions[N_SHM_REGIONS];
1125

    
1126
union semun {
1127
        int val;
1128
        struct senid_ds *buf;
1129
        unsigned short *array;
1130
};
1131

    
1132
/* ??? This only works with linear mappings.  */
1133
static long do_ipc(long call, long first, long second, long third,
1134
                   long ptr, long fifth)
1135
{
1136
    int version;
1137
    long ret = 0;
1138
    unsigned long raddr;
1139
    struct shmid_ds shm_info;
1140
    int i;
1141

    
1142
    version = call >> 16;
1143
    call &= 0xffff;
1144

    
1145
    switch (call) {
1146
    case IPCOP_semop:
1147
        ret = get_errno(semop(first,(struct sembuf *) ptr, second));
1148
        break;
1149

    
1150
    case IPCOP_semget:
1151
        ret = get_errno(semget(first, second, third));
1152
        break;
1153

    
1154
    case IPCOP_semctl:
1155
        ret = get_errno(semctl(first, second, third, ((union semun*)ptr)->val));
1156

    
1157
        break;
1158

    
1159
    case IPCOP_semtimedop:
1160
        gemu_log("Unsupported ipc call: %ld (version %d)\n", call, version);
1161
        ret = -ENOSYS;
1162
        break;
1163

    
1164
        case IPCOP_msgget:
1165
                ret = get_errno(msgget(first, second));
1166
                break;
1167

    
1168
        case IPCOP_msgsnd:
1169
                ret = get_errno(msgsnd(first, (struct msgbuf *) ptr, second, third));
1170
                break;
1171

    
1172
        case IPCOP_msgctl:
1173
                ret = get_errno(msgctl(first, second, (struct msqid_ds *) ptr));
1174
                break;
1175

    
1176
        case IPCOP_msgrcv:
1177
                {
1178
                        struct ipc_kludge
1179
                        {
1180
                                void *__unbounded msgp;
1181
                                long int msgtyp;
1182
                        };
1183

    
1184
                        struct ipc_kludge *foo = (struct ipc_kludge *) ptr;
1185
                        struct msgbuf *msgp = (struct msgbuf *) foo->msgp;
1186

    
1187
                        ret = get_errno(msgrcv(first, msgp, second, 0, third));
1188

    
1189
                }
1190
                break;
1191

    
1192
    case IPCOP_shmat:
1193
        /* SHM_* flags are the same on all linux platforms */
1194
        ret = get_errno((long) shmat(first, (void *) ptr, second));
1195
        if (is_error(ret))
1196
            break;
1197
        raddr = ret;
1198
        /* find out the length of the shared memory segment */
1199
        
1200
        ret = get_errno(shmctl(first, IPC_STAT, &shm_info));
1201
        if (is_error(ret)) {
1202
            /* can't get length, bail out */
1203
            shmdt((void *) raddr);
1204
            break;
1205
        }
1206
        page_set_flags(raddr, raddr + shm_info.shm_segsz,
1207
                       PAGE_VALID | PAGE_READ |
1208
                       ((second & SHM_RDONLY)? 0: PAGE_WRITE));
1209
        for (i = 0; i < N_SHM_REGIONS; ++i) {
1210
            if (shm_regions[i].start == 0) {
1211
                shm_regions[i].start = raddr;
1212
                shm_regions[i].size = shm_info.shm_segsz;
1213
                break;
1214
            }
1215
        }
1216
        if (put_user(raddr, (uint32_t *)third))
1217
            return -EFAULT;
1218
        ret = 0;
1219
        break;
1220
    case IPCOP_shmdt:
1221
        for (i = 0; i < N_SHM_REGIONS; ++i) {
1222
            if (shm_regions[i].start == ptr) {
1223
                shm_regions[i].start = 0;
1224
                page_set_flags(ptr, shm_regions[i].size, 0);
1225
                break;
1226
            }
1227
        }
1228
        ret = get_errno(shmdt((void *) ptr));
1229
        break;
1230

    
1231
    case IPCOP_shmget:
1232
        /* IPC_* flag values are the same on all linux platforms */
1233
        ret = get_errno(shmget(first, second, third));
1234
        break;
1235

    
1236
        /* IPC_* and SHM_* command values are the same on all linux platforms */
1237
    case IPCOP_shmctl:
1238
        switch(second) {
1239
        case IPC_RMID:
1240
        case SHM_LOCK:
1241
        case SHM_UNLOCK:
1242
            ret = get_errno(shmctl(first, second, NULL));
1243
            break;
1244
        default:
1245
            goto unimplemented;
1246
        }
1247
        break;
1248
    default:
1249
    unimplemented:
1250
        gemu_log("Unsupported ipc call: %ld (version %d)\n", call, version);
1251
        ret = -ENOSYS;
1252
        break;
1253
    }
1254
    return ret;
1255
}
1256

    
1257
/* kernel structure types definitions */
1258
#define IFNAMSIZ        16
1259

    
1260
#define STRUCT(name, list...) STRUCT_ ## name,
1261
#define STRUCT_SPECIAL(name) STRUCT_ ## name,
1262
enum {
1263
#include "syscall_types.h"
1264
};
1265
#undef STRUCT
1266
#undef STRUCT_SPECIAL
1267

    
1268
#define STRUCT(name, list...) const argtype struct_ ## name ## _def[] = { list, TYPE_NULL };
1269
#define STRUCT_SPECIAL(name)
1270
#include "syscall_types.h"
1271
#undef STRUCT
1272
#undef STRUCT_SPECIAL
1273

    
1274
typedef struct IOCTLEntry {
1275
    unsigned int target_cmd;
1276
    unsigned int host_cmd;
1277
    const char *name;
1278
    int access;
1279
    const argtype arg_type[5];
1280
} IOCTLEntry;
1281

    
1282
#define IOC_R 0x0001
1283
#define IOC_W 0x0002
1284
#define IOC_RW (IOC_R | IOC_W)
1285

    
1286
#define MAX_STRUCT_SIZE 4096
1287

    
1288
IOCTLEntry ioctl_entries[] = {
1289
#define IOCTL(cmd, access, types...) \
1290
    { TARGET_ ## cmd, cmd, #cmd, access, { types } },
1291
#include "ioctls.h"
1292
    { 0, 0, },
1293
};
1294

    
1295
/* ??? Implement proper locking for ioctls.  */
1296
static long do_ioctl(long fd, long cmd, long arg)
1297
{
1298
    const IOCTLEntry *ie;
1299
    const argtype *arg_type;
1300
    long ret;
1301
    uint8_t buf_temp[MAX_STRUCT_SIZE];
1302
    int target_size;
1303
    void *argptr;
1304

    
1305
    ie = ioctl_entries;
1306
    for(;;) {
1307
        if (ie->target_cmd == 0) {
1308
            gemu_log("Unsupported ioctl: cmd=0x%04lx\n", cmd);
1309
            return -ENOSYS;
1310
        }
1311
        if (ie->target_cmd == cmd)
1312
            break;
1313
        ie++;
1314
    }
1315
    arg_type = ie->arg_type;
1316
#if defined(DEBUG)
1317
    gemu_log("ioctl: cmd=0x%04lx (%s)\n", cmd, ie->name);
1318
#endif
1319
    switch(arg_type[0]) {
1320
    case TYPE_NULL:
1321
        /* no argument */
1322
        ret = get_errno(ioctl(fd, ie->host_cmd));
1323
        break;
1324
    case TYPE_PTRVOID:
1325
    case TYPE_INT:
1326
        /* int argment */
1327
        ret = get_errno(ioctl(fd, ie->host_cmd, arg));
1328
        break;
1329
    case TYPE_PTR:
1330
        arg_type++;
1331
        target_size = thunk_type_size(arg_type, 0);
1332
        switch(ie->access) {
1333
        case IOC_R:
1334
            ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp));
1335
            if (!is_error(ret)) {
1336
                argptr = lock_user(arg, target_size, 0);
1337
                thunk_convert(argptr, buf_temp, arg_type, THUNK_TARGET);
1338
                unlock_user(argptr, arg, target_size);
1339
            }
1340
            break;
1341
        case IOC_W:
1342
            argptr = lock_user(arg, target_size, 1);
1343
            thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST);
1344
            unlock_user(argptr, arg, 0);
1345
            ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp));
1346
            break;
1347
        default:
1348
        case IOC_RW:
1349
            argptr = lock_user(arg, target_size, 1);
1350
            thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST);
1351
            unlock_user(argptr, arg, 0);
1352
            ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp));
1353
            if (!is_error(ret)) {
1354
                argptr = lock_user(arg, target_size, 0);
1355
                thunk_convert(argptr, buf_temp, arg_type, THUNK_TARGET);
1356
                unlock_user(argptr, arg, target_size);
1357
            }
1358
            break;
1359
        }
1360
        break;
1361
    default:
1362
        gemu_log("Unsupported ioctl type: cmd=0x%04lx type=%d\n", cmd, arg_type[0]);
1363
        ret = -ENOSYS;
1364
        break;
1365
    }
1366
    return ret;
1367
}
1368

    
1369
bitmask_transtbl iflag_tbl[] = {
1370
        { TARGET_IGNBRK, TARGET_IGNBRK, IGNBRK, IGNBRK },
1371
        { TARGET_BRKINT, TARGET_BRKINT, BRKINT, BRKINT },
1372
        { TARGET_IGNPAR, TARGET_IGNPAR, IGNPAR, IGNPAR },
1373
        { TARGET_PARMRK, TARGET_PARMRK, PARMRK, PARMRK },
1374
        { TARGET_INPCK, TARGET_INPCK, INPCK, INPCK },
1375
        { TARGET_ISTRIP, TARGET_ISTRIP, ISTRIP, ISTRIP },
1376
        { TARGET_INLCR, TARGET_INLCR, INLCR, INLCR },
1377
        { TARGET_IGNCR, TARGET_IGNCR, IGNCR, IGNCR },
1378
        { TARGET_ICRNL, TARGET_ICRNL, ICRNL, ICRNL },
1379
        { TARGET_IUCLC, TARGET_IUCLC, IUCLC, IUCLC },
1380
        { TARGET_IXON, TARGET_IXON, IXON, IXON },
1381
        { TARGET_IXANY, TARGET_IXANY, IXANY, IXANY },
1382
        { TARGET_IXOFF, TARGET_IXOFF, IXOFF, IXOFF },
1383
        { TARGET_IMAXBEL, TARGET_IMAXBEL, IMAXBEL, IMAXBEL },
1384
        { 0, 0, 0, 0 }
1385
};
1386

    
1387
bitmask_transtbl oflag_tbl[] = {
1388
        { TARGET_OPOST, TARGET_OPOST, OPOST, OPOST },
1389
        { TARGET_OLCUC, TARGET_OLCUC, OLCUC, OLCUC },
1390
        { TARGET_ONLCR, TARGET_ONLCR, ONLCR, ONLCR },
1391
        { TARGET_OCRNL, TARGET_OCRNL, OCRNL, OCRNL },
1392
        { TARGET_ONOCR, TARGET_ONOCR, ONOCR, ONOCR },
1393
        { TARGET_ONLRET, TARGET_ONLRET, ONLRET, ONLRET },
1394
        { TARGET_OFILL, TARGET_OFILL, OFILL, OFILL },
1395
        { TARGET_OFDEL, TARGET_OFDEL, OFDEL, OFDEL },
1396
        { TARGET_NLDLY, TARGET_NL0, NLDLY, NL0 },
1397
        { TARGET_NLDLY, TARGET_NL1, NLDLY, NL1 },
1398
        { TARGET_CRDLY, TARGET_CR0, CRDLY, CR0 },
1399
        { TARGET_CRDLY, TARGET_CR1, CRDLY, CR1 },
1400
        { TARGET_CRDLY, TARGET_CR2, CRDLY, CR2 },
1401
        { TARGET_CRDLY, TARGET_CR3, CRDLY, CR3 },
1402
        { TARGET_TABDLY, TARGET_TAB0, TABDLY, TAB0 },
1403
        { TARGET_TABDLY, TARGET_TAB1, TABDLY, TAB1 },
1404
        { TARGET_TABDLY, TARGET_TAB2, TABDLY, TAB2 },
1405
        { TARGET_TABDLY, TARGET_TAB3, TABDLY, TAB3 },
1406
        { TARGET_BSDLY, TARGET_BS0, BSDLY, BS0 },
1407
        { TARGET_BSDLY, TARGET_BS1, BSDLY, BS1 },
1408
        { TARGET_VTDLY, TARGET_VT0, VTDLY, VT0 },
1409
        { TARGET_VTDLY, TARGET_VT1, VTDLY, VT1 },
1410
        { TARGET_FFDLY, TARGET_FF0, FFDLY, FF0 },
1411
        { TARGET_FFDLY, TARGET_FF1, FFDLY, FF1 },
1412
        { 0, 0, 0, 0 }
1413
};
1414

    
1415
bitmask_transtbl cflag_tbl[] = {
1416
        { TARGET_CBAUD, TARGET_B0, CBAUD, B0 },
1417
        { TARGET_CBAUD, TARGET_B50, CBAUD, B50 },
1418
        { TARGET_CBAUD, TARGET_B75, CBAUD, B75 },
1419
        { TARGET_CBAUD, TARGET_B110, CBAUD, B110 },
1420
        { TARGET_CBAUD, TARGET_B134, CBAUD, B134 },
1421
        { TARGET_CBAUD, TARGET_B150, CBAUD, B150 },
1422
        { TARGET_CBAUD, TARGET_B200, CBAUD, B200 },
1423
        { TARGET_CBAUD, TARGET_B300, CBAUD, B300 },
1424
        { TARGET_CBAUD, TARGET_B600, CBAUD, B600 },
1425
        { TARGET_CBAUD, TARGET_B1200, CBAUD, B1200 },
1426
        { TARGET_CBAUD, TARGET_B1800, CBAUD, B1800 },
1427
        { TARGET_CBAUD, TARGET_B2400, CBAUD, B2400 },
1428
        { TARGET_CBAUD, TARGET_B4800, CBAUD, B4800 },
1429
        { TARGET_CBAUD, TARGET_B9600, CBAUD, B9600 },
1430
        { TARGET_CBAUD, TARGET_B19200, CBAUD, B19200 },
1431
        { TARGET_CBAUD, TARGET_B38400, CBAUD, B38400 },
1432
        { TARGET_CBAUD, TARGET_B57600, CBAUD, B57600 },
1433
        { TARGET_CBAUD, TARGET_B115200, CBAUD, B115200 },
1434
        { TARGET_CBAUD, TARGET_B230400, CBAUD, B230400 },
1435
        { TARGET_CBAUD, TARGET_B460800, CBAUD, B460800 },
1436
        { TARGET_CSIZE, TARGET_CS5, CSIZE, CS5 },
1437
        { TARGET_CSIZE, TARGET_CS6, CSIZE, CS6 },
1438
        { TARGET_CSIZE, TARGET_CS7, CSIZE, CS7 },
1439
        { TARGET_CSIZE, TARGET_CS8, CSIZE, CS8 },
1440
        { TARGET_CSTOPB, TARGET_CSTOPB, CSTOPB, CSTOPB },
1441
        { TARGET_CREAD, TARGET_CREAD, CREAD, CREAD },
1442
        { TARGET_PARENB, TARGET_PARENB, PARENB, PARENB },
1443
        { TARGET_PARODD, TARGET_PARODD, PARODD, PARODD },
1444
        { TARGET_HUPCL, TARGET_HUPCL, HUPCL, HUPCL },
1445
        { TARGET_CLOCAL, TARGET_CLOCAL, CLOCAL, CLOCAL },
1446
        { TARGET_CRTSCTS, TARGET_CRTSCTS, CRTSCTS, CRTSCTS },
1447
        { 0, 0, 0, 0 }
1448
};
1449

    
1450
bitmask_transtbl lflag_tbl[] = {
1451
        { TARGET_ISIG, TARGET_ISIG, ISIG, ISIG },
1452
        { TARGET_ICANON, TARGET_ICANON, ICANON, ICANON },
1453
        { TARGET_XCASE, TARGET_XCASE, XCASE, XCASE },
1454
        { TARGET_ECHO, TARGET_ECHO, ECHO, ECHO },
1455
        { TARGET_ECHOE, TARGET_ECHOE, ECHOE, ECHOE },
1456
        { TARGET_ECHOK, TARGET_ECHOK, ECHOK, ECHOK },
1457
        { TARGET_ECHONL, TARGET_ECHONL, ECHONL, ECHONL },
1458
        { TARGET_NOFLSH, TARGET_NOFLSH, NOFLSH, NOFLSH },
1459
        { TARGET_TOSTOP, TARGET_TOSTOP, TOSTOP, TOSTOP },
1460
        { TARGET_ECHOCTL, TARGET_ECHOCTL, ECHOCTL, ECHOCTL },
1461
        { TARGET_ECHOPRT, TARGET_ECHOPRT, ECHOPRT, ECHOPRT },
1462
        { TARGET_ECHOKE, TARGET_ECHOKE, ECHOKE, ECHOKE },
1463
        { TARGET_FLUSHO, TARGET_FLUSHO, FLUSHO, FLUSHO },
1464
        { TARGET_PENDIN, TARGET_PENDIN, PENDIN, PENDIN },
1465
        { TARGET_IEXTEN, TARGET_IEXTEN, IEXTEN, IEXTEN },
1466
        { 0, 0, 0, 0 }
1467
};
1468

    
1469
static void target_to_host_termios (void *dst, const void *src)
1470
{
1471
    struct host_termios *host = dst;
1472
    const struct target_termios *target = src;
1473
    
1474
    host->c_iflag = 
1475
        target_to_host_bitmask(tswap32(target->c_iflag), iflag_tbl);
1476
    host->c_oflag = 
1477
        target_to_host_bitmask(tswap32(target->c_oflag), oflag_tbl);
1478
    host->c_cflag = 
1479
        target_to_host_bitmask(tswap32(target->c_cflag), cflag_tbl);
1480
    host->c_lflag = 
1481
        target_to_host_bitmask(tswap32(target->c_lflag), lflag_tbl);
1482
    host->c_line = target->c_line;
1483
    
1484
    host->c_cc[VINTR] = target->c_cc[TARGET_VINTR]; 
1485
    host->c_cc[VQUIT] = target->c_cc[TARGET_VQUIT]; 
1486
    host->c_cc[VERASE] = target->c_cc[TARGET_VERASE];       
1487
    host->c_cc[VKILL] = target->c_cc[TARGET_VKILL]; 
1488
    host->c_cc[VEOF] = target->c_cc[TARGET_VEOF];   
1489
    host->c_cc[VTIME] = target->c_cc[TARGET_VTIME]; 
1490
    host->c_cc[VMIN] = target->c_cc[TARGET_VMIN];   
1491
    host->c_cc[VSWTC] = target->c_cc[TARGET_VSWTC]; 
1492
    host->c_cc[VSTART] = target->c_cc[TARGET_VSTART];       
1493
    host->c_cc[VSTOP] = target->c_cc[TARGET_VSTOP]; 
1494
    host->c_cc[VSUSP] = target->c_cc[TARGET_VSUSP]; 
1495
    host->c_cc[VEOL] = target->c_cc[TARGET_VEOL];   
1496
    host->c_cc[VREPRINT] = target->c_cc[TARGET_VREPRINT];   
1497
    host->c_cc[VDISCARD] = target->c_cc[TARGET_VDISCARD];   
1498
    host->c_cc[VWERASE] = target->c_cc[TARGET_VWERASE];     
1499
    host->c_cc[VLNEXT] = target->c_cc[TARGET_VLNEXT];       
1500
    host->c_cc[VEOL2] = target->c_cc[TARGET_VEOL2]; 
1501
}
1502
  
1503
static void host_to_target_termios (void *dst, const void *src)
1504
{
1505
    struct target_termios *target = dst;
1506
    const struct host_termios *host = src;
1507

    
1508
    target->c_iflag = 
1509
        tswap32(host_to_target_bitmask(host->c_iflag, iflag_tbl));
1510
    target->c_oflag = 
1511
        tswap32(host_to_target_bitmask(host->c_oflag, oflag_tbl));
1512
    target->c_cflag = 
1513
        tswap32(host_to_target_bitmask(host->c_cflag, cflag_tbl));
1514
    target->c_lflag = 
1515
        tswap32(host_to_target_bitmask(host->c_lflag, lflag_tbl));
1516
    target->c_line = host->c_line;
1517
  
1518
    target->c_cc[TARGET_VINTR] = host->c_cc[VINTR];
1519
    target->c_cc[TARGET_VQUIT] = host->c_cc[VQUIT];
1520
    target->c_cc[TARGET_VERASE] = host->c_cc[VERASE];
1521
    target->c_cc[TARGET_VKILL] = host->c_cc[VKILL];
1522
    target->c_cc[TARGET_VEOF] = host->c_cc[VEOF];
1523
    target->c_cc[TARGET_VTIME] = host->c_cc[VTIME];
1524
    target->c_cc[TARGET_VMIN] = host->c_cc[VMIN];
1525
    target->c_cc[TARGET_VSWTC] = host->c_cc[VSWTC];
1526
    target->c_cc[TARGET_VSTART] = host->c_cc[VSTART];
1527
    target->c_cc[TARGET_VSTOP] = host->c_cc[VSTOP];
1528
    target->c_cc[TARGET_VSUSP] = host->c_cc[VSUSP];
1529
    target->c_cc[TARGET_VEOL] = host->c_cc[VEOL];
1530
    target->c_cc[TARGET_VREPRINT] = host->c_cc[VREPRINT];
1531
    target->c_cc[TARGET_VDISCARD] = host->c_cc[VDISCARD];
1532
    target->c_cc[TARGET_VWERASE] = host->c_cc[VWERASE];
1533
    target->c_cc[TARGET_VLNEXT] = host->c_cc[VLNEXT];
1534
    target->c_cc[TARGET_VEOL2] = host->c_cc[VEOL2];
1535
}
1536

    
1537
StructEntry struct_termios_def = {
1538
    .convert = { host_to_target_termios, target_to_host_termios },
1539
    .size = { sizeof(struct target_termios), sizeof(struct host_termios) },
1540
    .align = { __alignof__(struct target_termios), __alignof__(struct host_termios) },
1541
};
1542

    
1543
static bitmask_transtbl mmap_flags_tbl[] = {
1544
        { TARGET_MAP_SHARED, TARGET_MAP_SHARED, MAP_SHARED, MAP_SHARED },
1545
        { TARGET_MAP_PRIVATE, TARGET_MAP_PRIVATE, MAP_PRIVATE, MAP_PRIVATE },
1546
        { TARGET_MAP_FIXED, TARGET_MAP_FIXED, MAP_FIXED, MAP_FIXED },
1547
        { TARGET_MAP_ANONYMOUS, TARGET_MAP_ANONYMOUS, MAP_ANONYMOUS, MAP_ANONYMOUS },
1548
        { TARGET_MAP_GROWSDOWN, TARGET_MAP_GROWSDOWN, MAP_GROWSDOWN, MAP_GROWSDOWN },
1549
        { TARGET_MAP_DENYWRITE, TARGET_MAP_DENYWRITE, MAP_DENYWRITE, MAP_DENYWRITE },
1550
        { TARGET_MAP_EXECUTABLE, TARGET_MAP_EXECUTABLE, MAP_EXECUTABLE, MAP_EXECUTABLE },
1551
        { TARGET_MAP_LOCKED, TARGET_MAP_LOCKED, MAP_LOCKED, MAP_LOCKED },
1552
        { 0, 0, 0, 0 }
1553
};
1554

    
1555
static bitmask_transtbl fcntl_flags_tbl[] = {
1556
        { TARGET_O_ACCMODE,   TARGET_O_WRONLY,    O_ACCMODE,   O_WRONLY,    },
1557
        { TARGET_O_ACCMODE,   TARGET_O_RDWR,      O_ACCMODE,   O_RDWR,      },
1558
        { TARGET_O_CREAT,     TARGET_O_CREAT,     O_CREAT,     O_CREAT,     },
1559
        { TARGET_O_EXCL,      TARGET_O_EXCL,      O_EXCL,      O_EXCL,      },
1560
        { TARGET_O_NOCTTY,    TARGET_O_NOCTTY,    O_NOCTTY,    O_NOCTTY,    },
1561
        { TARGET_O_TRUNC,     TARGET_O_TRUNC,     O_TRUNC,     O_TRUNC,     },
1562
        { TARGET_O_APPEND,    TARGET_O_APPEND,    O_APPEND,    O_APPEND,    },
1563
        { TARGET_O_NONBLOCK,  TARGET_O_NONBLOCK,  O_NONBLOCK,  O_NONBLOCK,  },
1564
        { TARGET_O_SYNC,      TARGET_O_SYNC,      O_SYNC,      O_SYNC,      },
1565
        { TARGET_FASYNC,      TARGET_FASYNC,      FASYNC,      FASYNC,      },
1566
        { TARGET_O_DIRECTORY, TARGET_O_DIRECTORY, O_DIRECTORY, O_DIRECTORY, },
1567
        { TARGET_O_NOFOLLOW,  TARGET_O_NOFOLLOW,  O_NOFOLLOW,  O_NOFOLLOW,  },
1568
        { TARGET_O_LARGEFILE, TARGET_O_LARGEFILE, O_LARGEFILE, O_LARGEFILE, },
1569
#if defined(O_DIRECT)
1570
        { TARGET_O_DIRECT,    TARGET_O_DIRECT,    O_DIRECT,    O_DIRECT,    },
1571
#endif
1572
        { 0, 0, 0, 0 }
1573
};
1574

    
1575
#if defined(TARGET_I386)
1576

    
1577
/* NOTE: there is really one LDT for all the threads */
1578
uint8_t *ldt_table;
1579

    
1580
static int read_ldt(target_ulong ptr, unsigned long bytecount)
1581
{
1582
    int size;
1583
    void *p;
1584

    
1585
    if (!ldt_table)
1586
        return 0;
1587
    size = TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE;
1588
    if (size > bytecount)
1589
        size = bytecount;
1590
    p = lock_user(ptr, size, 0);
1591
    /* ??? Shoudl this by byteswapped?  */
1592
    memcpy(p, ldt_table, size);
1593
    unlock_user(p, ptr, size);
1594
    return size;
1595
}
1596

    
1597
/* XXX: add locking support */
1598
static int write_ldt(CPUX86State *env, 
1599
                     target_ulong ptr, unsigned long bytecount, int oldmode)
1600
{
1601
    struct target_modify_ldt_ldt_s ldt_info;
1602
    struct target_modify_ldt_ldt_s *target_ldt_info;
1603
    int seg_32bit, contents, read_exec_only, limit_in_pages;
1604
    int seg_not_present, useable;
1605
    uint32_t *lp, entry_1, entry_2;
1606

    
1607
    if (bytecount != sizeof(ldt_info))
1608
        return -EINVAL;
1609
    lock_user_struct(target_ldt_info, ptr, 1);
1610
    ldt_info.entry_number = tswap32(target_ldt_info->entry_number);
1611
    ldt_info.base_addr = tswapl(target_ldt_info->base_addr);
1612
    ldt_info.limit = tswap32(target_ldt_info->limit);
1613
    ldt_info.flags = tswap32(target_ldt_info->flags);
1614
    unlock_user_struct(target_ldt_info, ptr, 0);
1615
    
1616
    if (ldt_info.entry_number >= TARGET_LDT_ENTRIES)
1617
        return -EINVAL;
1618
    seg_32bit = ldt_info.flags & 1;
1619
    contents = (ldt_info.flags >> 1) & 3;
1620
    read_exec_only = (ldt_info.flags >> 3) & 1;
1621
    limit_in_pages = (ldt_info.flags >> 4) & 1;
1622
    seg_not_present = (ldt_info.flags >> 5) & 1;
1623
    useable = (ldt_info.flags >> 6) & 1;
1624

    
1625
    if (contents == 3) {
1626
        if (oldmode)
1627
            return -EINVAL;
1628
        if (seg_not_present == 0)
1629
            return -EINVAL;
1630
    }
1631
    /* allocate the LDT */
1632
    if (!ldt_table) {
1633
        ldt_table = malloc(TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE);
1634
        if (!ldt_table)
1635
            return -ENOMEM;
1636
        memset(ldt_table, 0, TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE);
1637
        env->ldt.base = h2g(ldt_table);
1638
        env->ldt.limit = 0xffff;
1639
    }
1640

    
1641
    /* NOTE: same code as Linux kernel */
1642
    /* Allow LDTs to be cleared by the user. */
1643
    if (ldt_info.base_addr == 0 && ldt_info.limit == 0) {
1644
        if (oldmode ||
1645
            (contents == 0                &&
1646
             read_exec_only == 1        &&
1647
             seg_32bit == 0                &&
1648
             limit_in_pages == 0        &&
1649
             seg_not_present == 1        &&
1650
             useable == 0 )) {
1651
            entry_1 = 0;
1652
            entry_2 = 0;
1653
            goto install;
1654
        }
1655
    }
1656
    
1657
    entry_1 = ((ldt_info.base_addr & 0x0000ffff) << 16) |
1658
        (ldt_info.limit & 0x0ffff);
1659
    entry_2 = (ldt_info.base_addr & 0xff000000) |
1660
        ((ldt_info.base_addr & 0x00ff0000) >> 16) |
1661
        (ldt_info.limit & 0xf0000) |
1662
        ((read_exec_only ^ 1) << 9) |
1663
        (contents << 10) |
1664
        ((seg_not_present ^ 1) << 15) |
1665
        (seg_32bit << 22) |
1666
        (limit_in_pages << 23) |
1667
        0x7000;
1668
    if (!oldmode)
1669
        entry_2 |= (useable << 20);
1670

    
1671
    /* Install the new entry ...  */
1672
install:
1673
    lp = (uint32_t *)(ldt_table + (ldt_info.entry_number << 3));
1674
    lp[0] = tswap32(entry_1);
1675
    lp[1] = tswap32(entry_2);
1676
    return 0;
1677
}
1678

    
1679
/* specific and weird i386 syscalls */
1680
int do_modify_ldt(CPUX86State *env, int func, target_ulong ptr, unsigned long bytecount)
1681
{
1682
    int ret = -ENOSYS;
1683
    
1684
    switch (func) {
1685
    case 0:
1686
        ret = read_ldt(ptr, bytecount);
1687
        break;
1688
    case 1:
1689
        ret = write_ldt(env, ptr, bytecount, 1);
1690
        break;
1691
    case 0x11:
1692
        ret = write_ldt(env, ptr, bytecount, 0);
1693
        break;
1694
    }
1695
    return ret;
1696
}
1697

    
1698
#endif /* defined(TARGET_I386) */
1699

    
1700
/* this stack is the equivalent of the kernel stack associated with a
1701
   thread/process */
1702
#define NEW_STACK_SIZE 8192
1703

    
1704
static int clone_func(void *arg)
1705
{
1706
    CPUState *env = arg;
1707
    cpu_loop(env);
1708
    /* never exits */
1709
    return 0;
1710
}
1711

    
1712
int do_fork(CPUState *env, unsigned int flags, unsigned long newsp)
1713
{
1714
    int ret;
1715
    TaskState *ts;
1716
    uint8_t *new_stack;
1717
    CPUState *new_env;
1718
    
1719
    if (flags & CLONE_VM) {
1720
        ts = malloc(sizeof(TaskState) + NEW_STACK_SIZE);
1721
        memset(ts, 0, sizeof(TaskState));
1722
        new_stack = ts->stack;
1723
        ts->used = 1;
1724
        /* add in task state list */
1725
        ts->next = first_task_state;
1726
        first_task_state = ts;
1727
        /* we create a new CPU instance. */
1728
        new_env = cpu_copy(env);
1729
#if defined(TARGET_I386)
1730
        if (!newsp)
1731
            newsp = env->regs[R_ESP];
1732
        new_env->regs[R_ESP] = newsp;
1733
        new_env->regs[R_EAX] = 0;
1734
#elif defined(TARGET_ARM)
1735
        if (!newsp)
1736
            newsp = env->regs[13];
1737
        new_env->regs[13] = newsp;
1738
        new_env->regs[0] = 0;
1739
#elif defined(TARGET_SPARC)
1740
        if (!newsp)
1741
            newsp = env->regwptr[22];
1742
        new_env->regwptr[22] = newsp;
1743
        new_env->regwptr[0] = 0;
1744
        /* XXXXX */
1745
        printf ("HELPME: %s:%d\n", __FILE__, __LINE__);
1746
#elif defined(TARGET_M68K)
1747
        if (!newsp)
1748
            newsp = env->aregs[7];
1749
        new_env->aregs[7] = newsp;
1750
        new_env->dregs[0] = 0;
1751
        /* ??? is this sufficient?  */
1752
#elif defined(TARGET_MIPS)
1753
        printf ("HELPME: %s:%d\n", __FILE__, __LINE__);
1754
#elif defined(TARGET_PPC)
1755
        if (!newsp)
1756
            newsp = env->gpr[1];
1757
        new_env->gpr[1] = newsp;
1758
        { 
1759
            int i;
1760
            for (i = 7; i < 32; i++)
1761
                new_env->gpr[i] = 0;
1762
        }
1763
#elif defined(TARGET_SH4)
1764
        if (!newsp)
1765
          newsp = env->gregs[15];
1766
        new_env->gregs[15] = newsp;
1767
        /* XXXXX */
1768
#else
1769
#error unsupported target CPU
1770
#endif
1771
        new_env->opaque = ts;
1772
#ifdef __ia64__
1773
        ret = __clone2(clone_func, new_stack + NEW_STACK_SIZE, flags, new_env);
1774
#else
1775
        ret = clone(clone_func, new_stack + NEW_STACK_SIZE, flags, new_env);
1776
#endif
1777
    } else {
1778
        /* if no CLONE_VM, we consider it is a fork */
1779
        if ((flags & ~CSIGNAL) != 0)
1780
            return -EINVAL;
1781
        ret = fork();
1782
    }
1783
    return ret;
1784
}
1785

    
1786
static long do_fcntl(int fd, int cmd, target_ulong arg)
1787
{
1788
    struct flock fl;
1789
    struct target_flock *target_fl;
1790
    struct flock64 fl64;
1791
    struct target_flock64 *target_fl64;
1792
    long ret;
1793

    
1794
    switch(cmd) {
1795
    case TARGET_F_GETLK:
1796
        lock_user_struct(target_fl, arg, 1);
1797
        fl.l_type = tswap16(target_fl->l_type);
1798
        fl.l_whence = tswap16(target_fl->l_whence);
1799
        fl.l_start = tswapl(target_fl->l_start);
1800
        fl.l_len = tswapl(target_fl->l_len);
1801
        fl.l_pid = tswapl(target_fl->l_pid);
1802
        unlock_user_struct(target_fl, arg, 0);
1803
        ret = fcntl(fd, cmd, &fl);
1804
        if (ret == 0) {
1805
            lock_user_struct(target_fl, arg, 0);
1806
            target_fl->l_type = tswap16(fl.l_type);
1807
            target_fl->l_whence = tswap16(fl.l_whence);
1808
            target_fl->l_start = tswapl(fl.l_start);
1809
            target_fl->l_len = tswapl(fl.l_len);
1810
            target_fl->l_pid = tswapl(fl.l_pid);
1811
            unlock_user_struct(target_fl, arg, 1);
1812
        }
1813
        break;
1814
        
1815
    case TARGET_F_SETLK:
1816
    case TARGET_F_SETLKW:
1817
        lock_user_struct(target_fl, arg, 1);
1818
        fl.l_type = tswap16(target_fl->l_type);
1819
        fl.l_whence = tswap16(target_fl->l_whence);
1820
        fl.l_start = tswapl(target_fl->l_start);
1821
        fl.l_len = tswapl(target_fl->l_len);
1822
        fl.l_pid = tswapl(target_fl->l_pid);
1823
        unlock_user_struct(target_fl, arg, 0);
1824
        ret = fcntl(fd, cmd, &fl);
1825
        break;
1826
        
1827
    case TARGET_F_GETLK64:
1828
        lock_user_struct(target_fl64, arg, 1);
1829
        fl64.l_type = tswap16(target_fl64->l_type) >> 1;
1830
        fl64.l_whence = tswap16(target_fl64->l_whence);
1831
        fl64.l_start = tswapl(target_fl64->l_start);
1832
        fl64.l_len = tswapl(target_fl64->l_len);
1833
        fl64.l_pid = tswap16(target_fl64->l_pid);
1834
        unlock_user_struct(target_fl64, arg, 0);
1835
        ret = fcntl(fd, cmd >> 1, &fl64);
1836
        if (ret == 0) {
1837
            lock_user_struct(target_fl64, arg, 0);
1838
            target_fl64->l_type = tswap16(fl64.l_type) >> 1;
1839
            target_fl64->l_whence = tswap16(fl64.l_whence);
1840
            target_fl64->l_start = tswapl(fl64.l_start);
1841
            target_fl64->l_len = tswapl(fl64.l_len);
1842
            target_fl64->l_pid = tswapl(fl64.l_pid);
1843
            unlock_user_struct(target_fl64, arg, 1);
1844
        }
1845
                break;
1846
    case TARGET_F_SETLK64:
1847
    case TARGET_F_SETLKW64:
1848
        lock_user_struct(target_fl64, arg, 1);
1849
        fl64.l_type = tswap16(target_fl64->l_type) >> 1;
1850
        fl64.l_whence = tswap16(target_fl64->l_whence);
1851
        fl64.l_start = tswapl(target_fl64->l_start);
1852
        fl64.l_len = tswapl(target_fl64->l_len);
1853
        fl64.l_pid = tswap16(target_fl64->l_pid);
1854
        unlock_user_struct(target_fl64, arg, 0);
1855
                ret = fcntl(fd, cmd >> 1, &fl64);
1856
        break;
1857

    
1858
    case F_GETFL:
1859
        ret = fcntl(fd, cmd, arg);
1860
        ret = host_to_target_bitmask(ret, fcntl_flags_tbl);
1861
        break;
1862

    
1863
    case F_SETFL:
1864
        ret = fcntl(fd, cmd, target_to_host_bitmask(arg, fcntl_flags_tbl));
1865
        break;
1866

    
1867
    default:
1868
        ret = fcntl(fd, cmd, arg);
1869
        break;
1870
    }
1871
    return ret;
1872
}
1873

    
1874
#ifdef USE_UID16
1875

    
1876
static inline int high2lowuid(int uid)
1877
{
1878
    if (uid > 65535)
1879
        return 65534;
1880
    else
1881
        return uid;
1882
}
1883

    
1884
static inline int high2lowgid(int gid)
1885
{
1886
    if (gid > 65535)
1887
        return 65534;
1888
    else
1889
        return gid;
1890
}
1891

    
1892
static inline int low2highuid(int uid)
1893
{
1894
    if ((int16_t)uid == -1)
1895
        return -1;
1896
    else
1897
        return uid;
1898
}
1899

    
1900
static inline int low2highgid(int gid)
1901
{
1902
    if ((int16_t)gid == -1)
1903
        return -1;
1904
    else
1905
        return gid;
1906
}
1907

    
1908
#endif /* USE_UID16 */
1909

    
1910
void syscall_init(void)
1911
{
1912
    IOCTLEntry *ie;
1913
    const argtype *arg_type;
1914
    int size;
1915

    
1916
#define STRUCT(name, list...) thunk_register_struct(STRUCT_ ## name, #name, struct_ ## name ## _def); 
1917
#define STRUCT_SPECIAL(name) thunk_register_struct_direct(STRUCT_ ## name, #name, &struct_ ## name ## _def); 
1918
#include "syscall_types.h"
1919
#undef STRUCT
1920
#undef STRUCT_SPECIAL
1921

    
1922
    /* we patch the ioctl size if necessary. We rely on the fact that
1923
       no ioctl has all the bits at '1' in the size field */
1924
    ie = ioctl_entries;
1925
    while (ie->target_cmd != 0) {
1926
        if (((ie->target_cmd >> TARGET_IOC_SIZESHIFT) & TARGET_IOC_SIZEMASK) ==
1927
            TARGET_IOC_SIZEMASK) {
1928
            arg_type = ie->arg_type;
1929
            if (arg_type[0] != TYPE_PTR) {
1930
                fprintf(stderr, "cannot patch size for ioctl 0x%x\n", 
1931
                        ie->target_cmd);
1932
                exit(1);
1933
            }
1934
            arg_type++;
1935
            size = thunk_type_size(arg_type, 0);
1936
            ie->target_cmd = (ie->target_cmd & 
1937
                              ~(TARGET_IOC_SIZEMASK << TARGET_IOC_SIZESHIFT)) |
1938
                (size << TARGET_IOC_SIZESHIFT);
1939
        }
1940
        /* automatic consistency check if same arch */
1941
#if defined(__i386__) && defined(TARGET_I386)
1942
        if (ie->target_cmd != ie->host_cmd) {
1943
            fprintf(stderr, "ERROR: ioctl: target=0x%x host=0x%x\n", 
1944
                    ie->target_cmd, ie->host_cmd);
1945
        }
1946
#endif
1947
        ie++;
1948
    }
1949
}
1950

    
1951
static inline uint64_t target_offset64(uint32_t word0, uint32_t word1)
1952
{
1953
#ifdef TARGET_WORDS_BIG_ENDIAN
1954
    return ((uint64_t)word0 << 32) | word1;
1955
#else
1956
    return ((uint64_t)word1 << 32) | word0;
1957
#endif
1958
}
1959

    
1960
#ifdef TARGET_NR_truncate64
1961
static inline long target_truncate64(void *cpu_env, const char *arg1,
1962
                                     long arg2, long arg3, long arg4)
1963
{
1964
#ifdef TARGET_ARM
1965
    if (((CPUARMState *)cpu_env)->eabi)
1966
      {
1967
        arg2 = arg3;
1968
        arg3 = arg4;
1969
      }
1970
#endif
1971
    return get_errno(truncate64(arg1, target_offset64(arg2, arg3)));
1972
}
1973
#endif
1974

    
1975
#ifdef TARGET_NR_ftruncate64
1976
static inline long target_ftruncate64(void *cpu_env, long arg1, long arg2,
1977
                                      long arg3, long arg4)
1978
{
1979
#ifdef TARGET_ARM
1980
    if (((CPUARMState *)cpu_env)->eabi)
1981
      {
1982
        arg2 = arg3;
1983
        arg3 = arg4;
1984
      }
1985
#endif
1986
    return get_errno(ftruncate64(arg1, target_offset64(arg2, arg3)));
1987
}
1988
#endif
1989

    
1990
static inline void target_to_host_timespec(struct timespec *host_ts,
1991
                                           target_ulong target_addr)
1992
{
1993
    struct target_timespec *target_ts;
1994

    
1995
    lock_user_struct(target_ts, target_addr, 1);
1996
    host_ts->tv_sec = tswapl(target_ts->tv_sec);
1997
    host_ts->tv_nsec = tswapl(target_ts->tv_nsec);
1998
    unlock_user_struct(target_ts, target_addr, 0);
1999
}
2000

    
2001
static inline void host_to_target_timespec(target_ulong target_addr,
2002
                                           struct timespec *host_ts)
2003
{
2004
    struct target_timespec *target_ts;
2005

    
2006
    lock_user_struct(target_ts, target_addr, 0);
2007
    target_ts->tv_sec = tswapl(host_ts->tv_sec);
2008
    target_ts->tv_nsec = tswapl(host_ts->tv_nsec);
2009
    unlock_user_struct(target_ts, target_addr, 1);
2010
}
2011

    
2012
long do_syscall(void *cpu_env, int num, long arg1, long arg2, long arg3, 
2013
                long arg4, long arg5, long arg6)
2014
{
2015
    long ret;
2016
    struct stat st;
2017
    struct statfs stfs;
2018
    void *p;
2019
    
2020
#ifdef DEBUG
2021
    gemu_log("syscall %d", num);
2022
#endif
2023
    switch(num) {
2024
    case TARGET_NR_exit:
2025
#ifdef HAVE_GPROF
2026
        _mcleanup();
2027
#endif
2028
        gdb_exit(cpu_env, arg1);
2029
        /* XXX: should free thread stack and CPU env */
2030
        _exit(arg1);
2031
        ret = 0; /* avoid warning */
2032
        break;
2033
    case TARGET_NR_read:
2034
        page_unprotect_range(arg2, arg3);
2035
        p = lock_user(arg2, arg3, 0);
2036
        ret = get_errno(read(arg1, p, arg3));
2037
        unlock_user(p, arg2, ret);
2038
        break;
2039
    case TARGET_NR_write:
2040
        p = lock_user(arg2, arg3, 1);
2041
        ret = get_errno(write(arg1, p, arg3));
2042
        unlock_user(p, arg2, 0);
2043
        break;
2044
    case TARGET_NR_open:
2045
        p = lock_user_string(arg1);
2046
        ret = get_errno(open(path(p),
2047
                             target_to_host_bitmask(arg2, fcntl_flags_tbl),
2048
                             arg3));
2049
        unlock_user(p, arg1, 0);
2050
        break;
2051
    case TARGET_NR_close:
2052
        ret = get_errno(close(arg1));
2053
        break;
2054
    case TARGET_NR_brk:
2055
        ret = do_brk(arg1);
2056
        break;
2057
    case TARGET_NR_fork:
2058
        ret = get_errno(do_fork(cpu_env, SIGCHLD, 0));
2059
        break;
2060
#ifdef TARGET_NR_waitpid
2061
    case TARGET_NR_waitpid:
2062
        {
2063
            int status;
2064
            ret = get_errno(waitpid(arg1, &status, arg3));
2065
            if (!is_error(ret) && arg2)
2066
                tput32(arg2, status);
2067
        }
2068
        break;
2069
#endif
2070
    case TARGET_NR_creat:
2071
        p = lock_user_string(arg1);
2072
        ret = get_errno(creat(p, arg2));
2073
        unlock_user(p, arg1, 0);
2074
        break;
2075
    case TARGET_NR_link:
2076
        {
2077
            void * p2;
2078
            p = lock_user_string(arg1);
2079
            p2 = lock_user_string(arg2);
2080
            ret = get_errno(link(p, p2));
2081
            unlock_user(p2, arg2, 0);
2082
            unlock_user(p, arg1, 0);
2083
        }
2084
        break;
2085
    case TARGET_NR_unlink:
2086
        p = lock_user_string(arg1);
2087
        ret = get_errno(unlink(p));
2088
        unlock_user(p, arg1, 0);
2089
        break;
2090
    case TARGET_NR_execve:
2091
        {
2092
            char **argp, **envp;
2093
            int argc, envc;
2094
            target_ulong gp;
2095
            target_ulong guest_argp;
2096
            target_ulong guest_envp;
2097
            target_ulong addr;
2098
            char **q;
2099

    
2100
            argc = 0;
2101
            guest_argp = arg2;
2102
            for (gp = guest_argp; tgetl(gp); gp++)
2103
                argc++;
2104
            envc = 0;
2105
            guest_envp = arg3;
2106
            for (gp = guest_envp; tgetl(gp); gp++)
2107
                envc++;
2108

    
2109
            argp = alloca((argc + 1) * sizeof(void *));
2110
            envp = alloca((envc + 1) * sizeof(void *));
2111

    
2112
            for (gp = guest_argp, q = argp; ;
2113
                  gp += sizeof(target_ulong), q++) {
2114
                addr = tgetl(gp);
2115
                if (!addr)
2116
                    break;
2117
                *q = lock_user_string(addr);
2118
            }
2119
            *q = NULL;
2120

    
2121
            for (gp = guest_envp, q = envp; ;
2122
                  gp += sizeof(target_ulong), q++) {
2123
                addr = tgetl(gp);
2124
                if (!addr)
2125
                    break;
2126
                *q = lock_user_string(addr);
2127
            }
2128
            *q = NULL;
2129

    
2130
            p = lock_user_string(arg1);
2131
            ret = get_errno(execve(p, argp, envp));
2132
            unlock_user(p, arg1, 0);
2133

    
2134
            for (gp = guest_argp, q = argp; *q;
2135
                  gp += sizeof(target_ulong), q++) {
2136
                addr = tgetl(gp);
2137
                unlock_user(*q, addr, 0);
2138
            }
2139
            for (gp = guest_envp, q = envp; *q;
2140
                  gp += sizeof(target_ulong), q++) {
2141
                addr = tgetl(gp);
2142
                unlock_user(*q, addr, 0);
2143
            }
2144
        }
2145
        break;
2146
    case TARGET_NR_chdir:
2147
        p = lock_user_string(arg1);
2148
        ret = get_errno(chdir(p));
2149
        unlock_user(p, arg1, 0);
2150
        break;
2151
#ifdef TARGET_NR_time
2152
    case TARGET_NR_time:
2153
        {
2154
            time_t host_time;
2155
            ret = get_errno(time(&host_time));
2156
            if (!is_error(ret) && arg1)
2157
                tputl(arg1, host_time);
2158
        }
2159
        break;
2160
#endif
2161
    case TARGET_NR_mknod:
2162
        p = lock_user_string(arg1);
2163
        ret = get_errno(mknod(p, arg2, arg3));
2164
        unlock_user(p, arg1, 0);
2165
        break;
2166
    case TARGET_NR_chmod:
2167
        p = lock_user_string(arg1);
2168
        ret = get_errno(chmod(p, arg2));
2169
        unlock_user(p, arg1, 0);
2170
        break;
2171
#ifdef TARGET_NR_break
2172
    case TARGET_NR_break:
2173
        goto unimplemented;
2174
#endif
2175
#ifdef TARGET_NR_oldstat
2176
    case TARGET_NR_oldstat:
2177
        goto unimplemented;
2178
#endif
2179
    case TARGET_NR_lseek:
2180
        ret = get_errno(lseek(arg1, arg2, arg3));
2181
        break;
2182
    case TARGET_NR_getpid:
2183
        ret = get_errno(getpid());
2184
        break;
2185
    case TARGET_NR_mount:
2186
                {
2187
                        /* need to look at the data field */
2188
                        void *p2, *p3;
2189
                        p = lock_user_string(arg1);
2190
                        p2 = lock_user_string(arg2);
2191
                        p3 = lock_user_string(arg3);
2192
                        ret = get_errno(mount(p, p2, p3, (unsigned long)arg4, (const void *)arg5));
2193
                        unlock_user(p, arg1, 0);
2194
                        unlock_user(p2, arg2, 0);
2195
                        unlock_user(p3, arg3, 0);
2196
                        break;
2197
                }
2198
#ifdef TARGET_NR_umount
2199
    case TARGET_NR_umount:
2200
        p = lock_user_string(arg1);
2201
        ret = get_errno(umount(p));
2202
        unlock_user(p, arg1, 0);
2203
        break;
2204
#endif
2205
    case TARGET_NR_stime:
2206
        {
2207
            time_t host_time;
2208
            host_time = tgetl(arg1);
2209
            ret = get_errno(stime(&host_time));
2210
        }
2211
        break;
2212
    case TARGET_NR_ptrace:
2213
        goto unimplemented;
2214
    case TARGET_NR_alarm:
2215
        ret = alarm(arg1);
2216
        break;
2217
#ifdef TARGET_NR_oldfstat
2218
    case TARGET_NR_oldfstat:
2219
        goto unimplemented;
2220
#endif
2221
    case TARGET_NR_pause:
2222
        ret = get_errno(pause());
2223
        break;
2224
#ifdef TARGET_NR_utime
2225
    case TARGET_NR_utime:
2226
        {
2227
            struct utimbuf tbuf, *host_tbuf;
2228
            struct target_utimbuf *target_tbuf;
2229
            if (arg2) {
2230
                lock_user_struct(target_tbuf, arg2, 1);
2231
                tbuf.actime = tswapl(target_tbuf->actime);
2232
                tbuf.modtime = tswapl(target_tbuf->modtime);
2233
                unlock_user_struct(target_tbuf, arg2, 0);
2234
                host_tbuf = &tbuf;
2235
            } else {
2236
                host_tbuf = NULL;
2237
            }
2238
            p = lock_user_string(arg1);
2239
            ret = get_errno(utime(p, host_tbuf));
2240
            unlock_user(p, arg1, 0);
2241
        }
2242
        break;
2243
#endif
2244
    case TARGET_NR_utimes:
2245
        {
2246
            struct timeval *tvp, tv[2];
2247
            if (arg2) {
2248
                target_to_host_timeval(&tv[0], arg2);
2249
                target_to_host_timeval(&tv[1],
2250
                    arg2 + sizeof (struct target_timeval));
2251
                tvp = tv;
2252
            } else {
2253
                tvp = NULL;
2254
            }
2255
            p = lock_user_string(arg1);
2256
            ret = get_errno(utimes(p, tvp));
2257
            unlock_user(p, arg1, 0);
2258
        }
2259
        break;
2260
#ifdef TARGET_NR_stty
2261
    case TARGET_NR_stty:
2262
        goto unimplemented;
2263
#endif
2264
#ifdef TARGET_NR_gtty
2265
    case TARGET_NR_gtty:
2266
        goto unimplemented;
2267
#endif
2268
    case TARGET_NR_access:
2269
        p = lock_user_string(arg1);
2270
        ret = get_errno(access(p, arg2));
2271
        unlock_user(p, arg1, 0);
2272
        break;
2273
    case TARGET_NR_nice:
2274
        ret = get_errno(nice(arg1));
2275
        break;
2276
#ifdef TARGET_NR_ftime
2277
    case TARGET_NR_ftime:
2278
        goto unimplemented;
2279
#endif
2280
    case TARGET_NR_sync:
2281
        sync();
2282
        ret = 0;
2283
        break;
2284
    case TARGET_NR_kill:
2285
        ret = get_errno(kill(arg1, arg2));
2286
        break;
2287
    case TARGET_NR_rename:
2288
        {
2289
            void *p2;
2290
            p = lock_user_string(arg1);
2291
            p2 = lock_user_string(arg2);
2292
            ret = get_errno(rename(p, p2));
2293
            unlock_user(p2, arg2, 0);
2294
            unlock_user(p, arg1, 0);
2295
        }
2296
        break;
2297
    case TARGET_NR_mkdir:
2298
        p = lock_user_string(arg1);
2299
        ret = get_errno(mkdir(p, arg2));
2300
        unlock_user(p, arg1, 0);
2301
        break;
2302
    case TARGET_NR_rmdir:
2303
        p = lock_user_string(arg1);
2304
        ret = get_errno(rmdir(p));
2305
        unlock_user(p, arg1, 0);
2306
        break;
2307
    case TARGET_NR_dup:
2308
        ret = get_errno(dup(arg1));
2309
        break;
2310
    case TARGET_NR_pipe:
2311
        {
2312
            int host_pipe[2];
2313
            ret = get_errno(pipe(host_pipe));
2314
            if (!is_error(ret)) {
2315
                tput32(arg1, host_pipe[0]);
2316
                tput32(arg1 + 4, host_pipe[1]);
2317
            }
2318
        }
2319
        break;
2320
    case TARGET_NR_times:
2321
        {
2322
            struct target_tms *tmsp;
2323
            struct tms tms;
2324
            ret = get_errno(times(&tms));
2325
            if (arg1) {
2326
                tmsp = lock_user(arg1, sizeof(struct target_tms), 0);
2327
                tmsp->tms_utime = tswapl(host_to_target_clock_t(tms.tms_utime));
2328
                tmsp->tms_stime = tswapl(host_to_target_clock_t(tms.tms_stime));
2329
                tmsp->tms_cutime = tswapl(host_to_target_clock_t(tms.tms_cutime));
2330
                tmsp->tms_cstime = tswapl(host_to_target_clock_t(tms.tms_cstime));
2331
            }
2332
            if (!is_error(ret))
2333
                ret = host_to_target_clock_t(ret);
2334
        }
2335
        break;
2336
#ifdef TARGET_NR_prof
2337
    case TARGET_NR_prof:
2338
        goto unimplemented;
2339
#endif
2340
#ifdef TARGET_NR_signal
2341
    case TARGET_NR_signal:
2342
        goto unimplemented;
2343
#endif
2344
    case TARGET_NR_acct:
2345
        p = lock_user_string(arg1);
2346
        ret = get_errno(acct(path(p)));
2347
        unlock_user(p, arg1, 0);
2348
        break;
2349
    case TARGET_NR_umount2:
2350
        p = lock_user_string(arg1);
2351
        ret = get_errno(umount2(p, arg2));
2352
        unlock_user(p, arg1, 0);
2353
        break;
2354
#ifdef TARGET_NR_lock
2355
    case TARGET_NR_lock:
2356
        goto unimplemented;
2357
#endif
2358
    case TARGET_NR_ioctl:
2359
        ret = do_ioctl(arg1, arg2, arg3);
2360
        break;
2361
    case TARGET_NR_fcntl:
2362
        ret = get_errno(do_fcntl(arg1, arg2, arg3));
2363
        break;
2364
#ifdef TARGET_NR_mpx
2365
    case TARGET_NR_mpx:
2366
        goto unimplemented;
2367
#endif
2368
    case TARGET_NR_setpgid:
2369
        ret = get_errno(setpgid(arg1, arg2));
2370
        break;
2371
#ifdef TARGET_NR_ulimit
2372
    case TARGET_NR_ulimit:
2373
        goto unimplemented;
2374
#endif
2375
#ifdef TARGET_NR_oldolduname
2376
    case TARGET_NR_oldolduname:
2377
        goto unimplemented;
2378
#endif
2379
    case TARGET_NR_umask:
2380
        ret = get_errno(umask(arg1));
2381
        break;
2382
    case TARGET_NR_chroot:
2383
        p = lock_user_string(arg1);
2384
        ret = get_errno(chroot(p));
2385
        unlock_user(p, arg1, 0);
2386
        break;
2387
    case TARGET_NR_ustat:
2388
        goto unimplemented;
2389
    case TARGET_NR_dup2:
2390
        ret = get_errno(dup2(arg1, arg2));
2391
        break;
2392
    case TARGET_NR_getppid:
2393
        ret = get_errno(getppid());
2394
        break;
2395
    case TARGET_NR_getpgrp:
2396
        ret = get_errno(getpgrp());
2397
        break;
2398
    case TARGET_NR_setsid:
2399
        ret = get_errno(setsid());
2400
        break;
2401
#ifdef TARGET_NR_sigaction
2402
    case TARGET_NR_sigaction:
2403
        {
2404
        #if !defined(TARGET_MIPS)
2405
            struct target_old_sigaction *old_act;
2406
            struct target_sigaction act, oact, *pact;
2407
            if (arg2) {
2408
                lock_user_struct(old_act, arg2, 1);
2409
                act._sa_handler = old_act->_sa_handler;
2410
                target_siginitset(&act.sa_mask, old_act->sa_mask);
2411
                act.sa_flags = old_act->sa_flags;
2412
                act.sa_restorer = old_act->sa_restorer;
2413
                unlock_user_struct(old_act, arg2, 0);
2414
                pact = &act;
2415
            } else {
2416
                pact = NULL;
2417
            }
2418
            ret = get_errno(do_sigaction(arg1, pact, &oact));
2419
            if (!is_error(ret) && arg3) {
2420
                lock_user_struct(old_act, arg3, 0);
2421
                old_act->_sa_handler = oact._sa_handler;
2422
                old_act->sa_mask = oact.sa_mask.sig[0];
2423
                old_act->sa_flags = oact.sa_flags;
2424
                old_act->sa_restorer = oact.sa_restorer;
2425
                unlock_user_struct(old_act, arg3, 1);
2426
            }
2427
        #else
2428
            struct target_sigaction act, oact, *pact, *old_act;
2429

    
2430
            if (arg2) {
2431
                lock_user_struct(old_act, arg2, 1);
2432
                act._sa_handler = old_act->_sa_handler;
2433
                target_siginitset(&act.sa_mask, old_act->sa_mask.sig[0]);
2434
                act.sa_flags = old_act->sa_flags;
2435
                unlock_user_struct(old_act, arg2, 0);
2436
                pact = &act;
2437
            } else {
2438
                pact = NULL;
2439
            }
2440

    
2441
            ret = get_errno(do_sigaction(arg1, pact, &oact));
2442

    
2443
            if (!is_error(ret) && arg3) {
2444
                lock_user_struct(old_act, arg3, 0);
2445
                old_act->_sa_handler = oact._sa_handler;
2446
                old_act->sa_flags = oact.sa_flags;
2447
                old_act->sa_mask.sig[0] = oact.sa_mask.sig[0];
2448
                old_act->sa_mask.sig[1] = 0;
2449
                old_act->sa_mask.sig[2] = 0;
2450
                old_act->sa_mask.sig[3] = 0;
2451
                unlock_user_struct(old_act, arg3, 1);
2452
            }
2453
        #endif
2454
        }
2455
        break;
2456
#endif
2457
    case TARGET_NR_rt_sigaction:
2458
        {
2459
            struct target_sigaction *act;
2460
            struct target_sigaction *oact;
2461

    
2462
            if (arg2)
2463
                lock_user_struct(act, arg2, 1);
2464
            else
2465
                act = NULL;
2466
            if (arg3)
2467
                lock_user_struct(oact, arg3, 0);
2468
            else
2469
                oact = NULL;
2470
            ret = get_errno(do_sigaction(arg1, act, oact));
2471
            if (arg2)
2472
                unlock_user_struct(act, arg2, 0);
2473
            if (arg3)
2474
                unlock_user_struct(oact, arg3, 1);
2475
        }
2476
        break;
2477
    case TARGET_NR_sgetmask:
2478
        {
2479
            sigset_t cur_set;
2480
            target_ulong target_set;
2481
            sigprocmask(0, NULL, &cur_set);
2482
            host_to_target_old_sigset(&target_set, &cur_set);
2483
            ret = target_set;
2484
        }
2485
        break;
2486
    case TARGET_NR_ssetmask:
2487
        {
2488
            sigset_t set, oset, cur_set;
2489
            target_ulong target_set = arg1;
2490
            sigprocmask(0, NULL, &cur_set);
2491
            target_to_host_old_sigset(&set, &target_set);
2492
            sigorset(&set, &set, &cur_set);
2493
            sigprocmask(SIG_SETMASK, &set, &oset);
2494
            host_to_target_old_sigset(&target_set, &oset);
2495
            ret = target_set;
2496
        }
2497
        break;
2498
#ifdef TARGET_NR_sigprocmask
2499
    case TARGET_NR_sigprocmask:
2500
        {
2501
            int how = arg1;
2502
            sigset_t set, oldset, *set_ptr;
2503
            
2504
            if (arg2) {
2505
                switch(how) {
2506
                case TARGET_SIG_BLOCK:
2507
                    how = SIG_BLOCK;
2508
                    break;
2509
                case TARGET_SIG_UNBLOCK:
2510
                    how = SIG_UNBLOCK;
2511
                    break;
2512
                case TARGET_SIG_SETMASK:
2513
                    how = SIG_SETMASK;
2514
                    break;
2515
                default:
2516
                    ret = -EINVAL;
2517
                    goto fail;
2518
                }
2519
                p = lock_user(arg2, sizeof(target_sigset_t), 1);
2520
                target_to_host_old_sigset(&set, p);
2521
                unlock_user(p, arg2, 0);
2522
                set_ptr = &set;
2523
            } else {
2524
                how = 0;
2525
                set_ptr = NULL;
2526
            }
2527
            ret = get_errno(sigprocmask(arg1, set_ptr, &oldset));
2528
            if (!is_error(ret) && arg3) {
2529
                p = lock_user(arg3, sizeof(target_sigset_t), 0);
2530
                host_to_target_old_sigset(p, &oldset);
2531
                unlock_user(p, arg3, sizeof(target_sigset_t));
2532
            }
2533
        }
2534
        break;
2535
#endif
2536
    case TARGET_NR_rt_sigprocmask:
2537
        {
2538
            int how = arg1;
2539
            sigset_t set, oldset, *set_ptr;
2540
            
2541
            if (arg2) {
2542
                switch(how) {
2543
                case TARGET_SIG_BLOCK:
2544
                    how = SIG_BLOCK;
2545
                    break;
2546
                case TARGET_SIG_UNBLOCK:
2547
                    how = SIG_UNBLOCK;
2548
                    break;
2549
                case TARGET_SIG_SETMASK:
2550
                    how = SIG_SETMASK;
2551
                    break;
2552
                default:
2553
                    ret = -EINVAL;
2554
                    goto fail;
2555
                }
2556
                p = lock_user(arg2, sizeof(target_sigset_t), 1);
2557
                target_to_host_sigset(&set, p);
2558
                unlock_user(p, arg2, 0);
2559
                set_ptr = &set;
2560
            } else {
2561
                how = 0;
2562
                set_ptr = NULL;
2563
            }
2564
            ret = get_errno(sigprocmask(how, set_ptr, &oldset));
2565
            if (!is_error(ret) && arg3) {
2566
                p = lock_user(arg3, sizeof(target_sigset_t), 0);
2567
                host_to_target_sigset(p, &oldset);
2568
                unlock_user(p, arg3, sizeof(target_sigset_t));
2569
            }
2570
        }
2571
        break;
2572
#ifdef TARGET_NR_sigpending
2573
    case TARGET_NR_sigpending:
2574
        {
2575
            sigset_t set;
2576
            ret = get_errno(sigpending(&set));
2577
            if (!is_error(ret)) {
2578
                p = lock_user(arg1, sizeof(target_sigset_t), 0);
2579
                host_to_target_old_sigset(p, &set);
2580
                unlock_user(p, arg1, sizeof(target_sigset_t));
2581
            }
2582
        }
2583
        break;
2584
#endif
2585
    case TARGET_NR_rt_sigpending:
2586
        {
2587
            sigset_t set;
2588
            ret = get_errno(sigpending(&set));
2589
            if (!is_error(ret)) {
2590
                p = lock_user(arg1, sizeof(target_sigset_t), 0);
2591
                host_to_target_sigset(p, &set);
2592
                unlock_user(p, arg1, sizeof(target_sigset_t));
2593
            }
2594
        }
2595
        break;
2596
#ifdef TARGET_NR_sigsuspend
2597
    case TARGET_NR_sigsuspend:
2598
        {
2599
            sigset_t set;
2600
            p = lock_user(arg1, sizeof(target_sigset_t), 1);
2601
            target_to_host_old_sigset(&set, p);
2602
            unlock_user(p, arg1, 0);
2603
            ret = get_errno(sigsuspend(&set));
2604
        }
2605
        break;
2606
#endif
2607
    case TARGET_NR_rt_sigsuspend:
2608
        {
2609
            sigset_t set;
2610
            p = lock_user(arg1, sizeof(target_sigset_t), 1);
2611
            target_to_host_sigset(&set, p);
2612
            unlock_user(p, arg1, 0);
2613
            ret = get_errno(sigsuspend(&set));
2614
        }
2615
        break;
2616
    case TARGET_NR_rt_sigtimedwait:
2617
        {
2618
            sigset_t set;
2619
            struct timespec uts, *puts;
2620
            siginfo_t uinfo;
2621
            
2622
            p = lock_user(arg1, sizeof(target_sigset_t), 1);
2623
            target_to_host_sigset(&set, p);
2624
            unlock_user(p, arg1, 0);
2625
            if (arg3) {
2626
                puts = &uts;
2627
                target_to_host_timespec(puts, arg3);
2628
            } else {
2629
                puts = NULL;
2630
            }
2631
            ret = get_errno(sigtimedwait(&set, &uinfo, puts));
2632
            if (!is_error(ret) && arg2) {
2633
                p = lock_user(arg2, sizeof(target_sigset_t), 0);
2634
                host_to_target_siginfo(p, &uinfo);
2635
                unlock_user(p, arg2, sizeof(target_sigset_t));
2636
            }
2637
        }
2638
        break;
2639
    case TARGET_NR_rt_sigqueueinfo:
2640
        {
2641
            siginfo_t uinfo;
2642
            p = lock_user(arg3, sizeof(target_sigset_t), 1);
2643
            target_to_host_siginfo(&uinfo, p);
2644
            unlock_user(p, arg1, 0);
2645
            ret = get_errno(sys_rt_sigqueueinfo(arg1, arg2, &uinfo));
2646
        }
2647
        break;
2648
#ifdef TARGET_NR_sigreturn
2649
    case TARGET_NR_sigreturn:
2650
        /* NOTE: ret is eax, so not transcoding must be done */
2651
        ret = do_sigreturn(cpu_env);
2652
        break;
2653
#endif
2654
    case TARGET_NR_rt_sigreturn:
2655
        /* NOTE: ret is eax, so not transcoding must be done */
2656
        ret = do_rt_sigreturn(cpu_env);
2657
        break;
2658
    case TARGET_NR_sethostname:
2659
        p = lock_user_string(arg1);
2660
        ret = get_errno(sethostname(p, arg2));
2661
        unlock_user(p, arg1, 0);
2662
        break;
2663
    case TARGET_NR_setrlimit:
2664
        {
2665
            /* XXX: convert resource ? */
2666
            int resource = arg1;
2667
            struct target_rlimit *target_rlim;
2668
            struct rlimit rlim;
2669
            lock_user_struct(target_rlim, arg2, 1);
2670
            rlim.rlim_cur = tswapl(target_rlim->rlim_cur);
2671
            rlim.rlim_max = tswapl(target_rlim->rlim_max);
2672
            unlock_user_struct(target_rlim, arg2, 0);
2673
            ret = get_errno(setrlimit(resource, &rlim));
2674
        }
2675
        break;
2676
    case TARGET_NR_getrlimit:
2677
        {
2678
            /* XXX: convert resource ? */
2679
            int resource = arg1;
2680
            struct target_rlimit *target_rlim;
2681
            struct rlimit rlim;
2682
            
2683
            ret = get_errno(getrlimit(resource, &rlim));
2684
            if (!is_error(ret)) {
2685
                lock_user_struct(target_rlim, arg2, 0);
2686
                rlim.rlim_cur = tswapl(target_rlim->rlim_cur);
2687
                rlim.rlim_max = tswapl(target_rlim->rlim_max);
2688
                unlock_user_struct(target_rlim, arg2, 1);
2689
            }
2690
        }
2691
        break;
2692
    case TARGET_NR_getrusage:
2693
        {
2694
            struct rusage rusage;
2695
            ret = get_errno(getrusage(arg1, &rusage));
2696
            if (!is_error(ret)) {
2697
                host_to_target_rusage(arg2, &rusage);
2698
            }
2699
        }
2700
        break;
2701
    case TARGET_NR_gettimeofday:
2702
        {
2703
            struct timeval tv;
2704
            ret = get_errno(gettimeofday(&tv, NULL));
2705
            if (!is_error(ret)) {
2706
                host_to_target_timeval(arg1, &tv);
2707
            }
2708
        }
2709
        break;
2710
    case TARGET_NR_settimeofday:
2711
        {
2712
            struct timeval tv;
2713
            target_to_host_timeval(&tv, arg1);
2714
            ret = get_errno(settimeofday(&tv, NULL));
2715
        }
2716
        break;
2717
#ifdef TARGET_NR_select
2718
    case TARGET_NR_select:
2719
        {
2720
            struct target_sel_arg_struct *sel;
2721
            target_ulong inp, outp, exp, tvp;
2722
            long nsel;
2723

    
2724
            lock_user_struct(sel, arg1, 1);
2725
            nsel = tswapl(sel->n);
2726
            inp = tswapl(sel->inp);
2727
            outp = tswapl(sel->outp);
2728
            exp = tswapl(sel->exp);
2729
            tvp = tswapl(sel->tvp);
2730
            unlock_user_struct(sel, arg1, 0);
2731
            ret = do_select(nsel, inp, outp, exp, tvp);
2732
        }
2733
        break;
2734
#endif
2735
    case TARGET_NR_symlink:
2736
        {
2737
            void *p2;
2738
            p = lock_user_string(arg1);
2739
            p2 = lock_user_string(arg2);
2740
            ret = get_errno(symlink(p, p2));
2741
            unlock_user(p2, arg2, 0);
2742
            unlock_user(p, arg1, 0);
2743
        }
2744
        break;
2745
#ifdef TARGET_NR_oldlstat
2746
    case TARGET_NR_oldlstat:
2747
        goto unimplemented;
2748
#endif
2749
    case TARGET_NR_readlink:
2750
        {
2751
            void *p2;
2752
            p = lock_user_string(arg1);
2753
            p2 = lock_user(arg2, arg3, 0);
2754
            ret = get_errno(readlink(path(p), p2, arg3));
2755
            unlock_user(p2, arg2, ret);
2756
            unlock_user(p, arg1, 0);
2757
        }
2758
        break;
2759
#ifdef TARGET_NR_uselib
2760
    case TARGET_NR_uselib:
2761
        goto unimplemented;
2762
#endif
2763
#ifdef TARGET_NR_swapon
2764
    case TARGET_NR_swapon:
2765
        p = lock_user_string(arg1);
2766
        ret = get_errno(swapon(p, arg2));
2767
        unlock_user(p, arg1, 0);
2768
        break;
2769
#endif
2770
    case TARGET_NR_reboot:
2771
        goto unimplemented;
2772
#ifdef TARGET_NR_readdir
2773
    case TARGET_NR_readdir:
2774
        goto unimplemented;
2775
#endif
2776
#ifdef TARGET_NR_mmap
2777
    case TARGET_NR_mmap:
2778
#if defined(TARGET_I386) || defined(TARGET_ARM) || defined(TARGET_M68K)
2779
        {
2780
            target_ulong *v;
2781
            target_ulong v1, v2, v3, v4, v5, v6;
2782
            v = lock_user(arg1, 6 * sizeof(target_ulong), 1);
2783
            v1 = tswapl(v[0]);
2784
            v2 = tswapl(v[1]);
2785
            v3 = tswapl(v[2]);
2786
            v4 = tswapl(v[3]);
2787
            v5 = tswapl(v[4]);
2788
            v6 = tswapl(v[5]);
2789
            unlock_user(v, arg1, 0);
2790
            ret = get_errno(target_mmap(v1, v2, v3, 
2791
                                        target_to_host_bitmask(v4, mmap_flags_tbl),
2792
                                        v5, v6));
2793
        }
2794
#else
2795
        ret = get_errno(target_mmap(arg1, arg2, arg3, 
2796
                                    target_to_host_bitmask(arg4, mmap_flags_tbl), 
2797
                                    arg5,
2798
                                    arg6));
2799
#endif
2800
        break;
2801
#endif
2802
#ifdef TARGET_NR_mmap2
2803
    case TARGET_NR_mmap2:
2804
#if defined(TARGET_SPARC) || defined(TARGET_MIPS)
2805
#define MMAP_SHIFT 12
2806
#else
2807
#define MMAP_SHIFT TARGET_PAGE_BITS
2808
#endif
2809
        ret = get_errno(target_mmap(arg1, arg2, arg3, 
2810
                                    target_to_host_bitmask(arg4, mmap_flags_tbl), 
2811
                                    arg5,
2812
                                    arg6 << MMAP_SHIFT));
2813
        break;
2814
#endif
2815
    case TARGET_NR_munmap:
2816
        ret = get_errno(target_munmap(arg1, arg2));
2817
        break;
2818
    case TARGET_NR_mprotect:
2819
        ret = get_errno(target_mprotect(arg1, arg2, arg3));
2820
        break;
2821
#ifdef TARGET_NR_mremap
2822
    case TARGET_NR_mremap:
2823
        ret = get_errno(target_mremap(arg1, arg2, arg3, arg4, arg5));
2824
        break;
2825
#endif
2826
        /* ??? msync/mlock/munlock are broken for softmmu.  */
2827
#ifdef TARGET_NR_msync
2828
    case TARGET_NR_msync:
2829
        ret = get_errno(msync(g2h(arg1), arg2, arg3));
2830
        break;
2831
#endif
2832
#ifdef TARGET_NR_mlock
2833
    case TARGET_NR_mlock:
2834
        ret = get_errno(mlock(g2h(arg1), arg2));
2835
        break;
2836
#endif
2837
#ifdef TARGET_NR_munlock
2838
    case TARGET_NR_munlock:
2839
        ret = get_errno(munlock(g2h(arg1), arg2));
2840
        break;
2841
#endif
2842
#ifdef TARGET_NR_mlockall
2843
    case TARGET_NR_mlockall:
2844
        ret = get_errno(mlockall(arg1));
2845
        break;
2846
#endif
2847
#ifdef TARGET_NR_munlockall
2848
    case TARGET_NR_munlockall:
2849
        ret = get_errno(munlockall());
2850
        break;
2851
#endif
2852
    case TARGET_NR_truncate:
2853
        p = lock_user_string(arg1);
2854
        ret = get_errno(truncate(p, arg2));
2855
        unlock_user(p, arg1, 0);
2856
        break;
2857
    case TARGET_NR_ftruncate:
2858
        ret = get_errno(ftruncate(arg1, arg2));
2859
        break;
2860
    case TARGET_NR_fchmod:
2861
        ret = get_errno(fchmod(arg1, arg2));
2862
        break;
2863
    case TARGET_NR_getpriority:
2864
        ret = get_errno(getpriority(arg1, arg2));
2865
        break;
2866
    case TARGET_NR_setpriority:
2867
        ret = get_errno(setpriority(arg1, arg2, arg3));
2868
        break;
2869
#ifdef TARGET_NR_profil
2870
    case TARGET_NR_profil:
2871
        goto unimplemented;
2872
#endif
2873
    case TARGET_NR_statfs:
2874
        p = lock_user_string(arg1);
2875
        ret = get_errno(statfs(path(p), &stfs));
2876
        unlock_user(p, arg1, 0);
2877
    convert_statfs:
2878
        if (!is_error(ret)) {
2879
            struct target_statfs *target_stfs;
2880
            
2881
            lock_user_struct(target_stfs, arg2, 0);
2882
            /* ??? put_user is probably wrong.  */
2883
            put_user(stfs.f_type, &target_stfs->f_type);
2884
            put_user(stfs.f_bsize, &target_stfs->f_bsize);
2885
            put_user(stfs.f_blocks, &target_stfs->f_blocks);
2886
            put_user(stfs.f_bfree, &target_stfs->f_bfree);
2887
            put_user(stfs.f_bavail, &target_stfs->f_bavail);
2888
            put_user(stfs.f_files, &target_stfs->f_files);
2889
            put_user(stfs.f_ffree, &target_stfs->f_ffree);
2890
            put_user(stfs.f_fsid.__val[0], &target_stfs->f_fsid);
2891
            put_user(stfs.f_namelen, &target_stfs->f_namelen);
2892
            unlock_user_struct(target_stfs, arg2, 1);
2893
        }
2894
        break;
2895
    case TARGET_NR_fstatfs:
2896
        ret = get_errno(fstatfs(arg1, &stfs));
2897
        goto convert_statfs;
2898
#ifdef TARGET_NR_statfs64
2899
    case TARGET_NR_statfs64:
2900
        p = lock_user_string(arg1);
2901
        ret = get_errno(statfs(path(p), &stfs));
2902
        unlock_user(p, arg1, 0);
2903
    convert_statfs64:
2904
        if (!is_error(ret)) {
2905
            struct target_statfs64 *target_stfs;
2906
            
2907
            lock_user_struct(target_stfs, arg3, 0);
2908
            /* ??? put_user is probably wrong.  */
2909
            put_user(stfs.f_type, &target_stfs->f_type);
2910
            put_user(stfs.f_bsize, &target_stfs->f_bsize);
2911
            put_user(stfs.f_blocks, &target_stfs->f_blocks);
2912
            put_user(stfs.f_bfree, &target_stfs->f_bfree);
2913
            put_user(stfs.f_bavail, &target_stfs->f_bavail);
2914
            put_user(stfs.f_files, &target_stfs->f_files);
2915
            put_user(stfs.f_ffree, &target_stfs->f_ffree);
2916
            put_user(stfs.f_fsid.__val[0], &target_stfs->f_fsid);
2917
            put_user(stfs.f_namelen, &target_stfs->f_namelen);
2918
            unlock_user_struct(target_stfs, arg3, 0);
2919
        }
2920
        break;
2921
    case TARGET_NR_fstatfs64:
2922
        ret = get_errno(fstatfs(arg1, &stfs));
2923
        goto convert_statfs64;
2924
#endif
2925
#ifdef TARGET_NR_ioperm
2926
    case TARGET_NR_ioperm:
2927
        goto unimplemented;
2928
#endif
2929
#ifdef TARGET_NR_socketcall
2930
    case TARGET_NR_socketcall:
2931
        ret = do_socketcall(arg1, arg2);
2932
        break;
2933
#endif
2934
#ifdef TARGET_NR_accept
2935
    case TARGET_NR_accept:
2936
        ret = do_accept(arg1, arg2, arg3);
2937
        break;
2938
#endif
2939
#ifdef TARGET_NR_bind
2940
    case TARGET_NR_bind:
2941
        ret = do_bind(arg1, arg2, arg3);
2942
        break;
2943
#endif
2944
#ifdef TARGET_NR_connect
2945
    case TARGET_NR_connect:
2946
        ret = do_connect(arg1, arg2, arg3);
2947
        break;
2948
#endif
2949
#ifdef TARGET_NR_getpeername
2950
    case TARGET_NR_getpeername:
2951
        ret = do_getpeername(arg1, arg2, arg3);
2952
        break;
2953
#endif
2954
#ifdef TARGET_NR_getsockname
2955
    case TARGET_NR_getsockname:
2956
        ret = do_getsockname(arg1, arg2, arg3);
2957
        break;
2958
#endif
2959
#ifdef TARGET_NR_getsockopt
2960
    case TARGET_NR_getsockopt:
2961
        ret = do_getsockopt(arg1, arg2, arg3, arg4, arg5);
2962
        break;
2963
#endif
2964
#ifdef TARGET_NR_listen
2965
    case TARGET_NR_listen:
2966
        ret = get_errno(listen(arg1, arg2));
2967
        break;
2968
#endif
2969
#ifdef TARGET_NR_recv
2970
    case TARGET_NR_recv:
2971
        ret = do_recvfrom(arg1, arg2, arg3, arg4, 0, 0);
2972
        break;
2973
#endif
2974
#ifdef TARGET_NR_recvfrom
2975
    case TARGET_NR_recvfrom:
2976
        ret = do_recvfrom(arg1, arg2, arg3, arg4, arg5, arg6);
2977
        break;
2978
#endif
2979
#ifdef TARGET_NR_recvmsg
2980
    case TARGET_NR_recvmsg:
2981
        ret = do_sendrecvmsg(arg1, arg2, arg3, 0);
2982
        break;
2983
#endif
2984
#ifdef TARGET_NR_send
2985
    case TARGET_NR_send:
2986
        ret = do_sendto(arg1, arg2, arg3, arg4, 0, 0);
2987
        break;
2988
#endif
2989
#ifdef TARGET_NR_sendmsg
2990
    case TARGET_NR_sendmsg:
2991
        ret = do_sendrecvmsg(arg1, arg2, arg3, 1);
2992
        break;
2993
#endif
2994
#ifdef TARGET_NR_sendto
2995
    case TARGET_NR_sendto:
2996
        ret = do_sendto(arg1, arg2, arg3, arg4, arg5, arg6);
2997
        break;
2998
#endif
2999
#ifdef TARGET_NR_shutdown
3000
    case TARGET_NR_shutdown:
3001
        ret = get_errno(shutdown(arg1, arg2));
3002
        break;
3003
#endif
3004
#ifdef TARGET_NR_socket
3005
    case TARGET_NR_socket:
3006
        ret = do_socket(arg1, arg2, arg3);
3007
        break;
3008
#endif
3009
#ifdef TARGET_NR_socketpair
3010
    case TARGET_NR_socketpair:
3011
        ret = do_socketpair(arg1, arg2, arg3, arg4);
3012
        break;
3013
#endif
3014
#ifdef TARGET_NR_setsockopt
3015
    case TARGET_NR_setsockopt:
3016
        ret = do_setsockopt(arg1, arg2, arg3, arg4, (socklen_t) arg5);
3017
        break;
3018
#endif
3019

    
3020
    case TARGET_NR_syslog:
3021
        p = lock_user_string(arg2);
3022
        ret = get_errno(sys_syslog((int)arg1, p, (int)arg3));
3023
        unlock_user(p, arg2, 0);
3024
        break;
3025

    
3026
    case TARGET_NR_setitimer:
3027
        {
3028
            struct itimerval value, ovalue, *pvalue;
3029

    
3030
            if (arg2) {
3031
                pvalue = &value;
3032
                target_to_host_timeval(&pvalue->it_interval, 
3033
                                       arg2);
3034
                target_to_host_timeval(&pvalue->it_value, 
3035
                                       arg2 + sizeof(struct target_timeval));
3036
            } else {
3037
                pvalue = NULL;
3038
            }
3039
            ret = get_errno(setitimer(arg1, pvalue, &ovalue));
3040
            if (!is_error(ret) && arg3) {
3041
                host_to_target_timeval(arg3,
3042
                                       &ovalue.it_interval);
3043
                host_to_target_timeval(arg3 + sizeof(struct target_timeval),
3044
                                       &ovalue.it_value);
3045
            }
3046
        }
3047
        break;
3048
    case TARGET_NR_getitimer:
3049
        {
3050
            struct itimerval value;
3051
            
3052
            ret = get_errno(getitimer(arg1, &value));
3053
            if (!is_error(ret) && arg2) {
3054
                host_to_target_timeval(arg2,
3055
                                       &value.it_interval);
3056
                host_to_target_timeval(arg2 + sizeof(struct target_timeval),
3057
                                       &value.it_value);
3058
            }
3059
        }
3060
        break;
3061
    case TARGET_NR_stat:
3062
        p = lock_user_string(arg1);
3063
        ret = get_errno(stat(path(p), &st));
3064
        unlock_user(p, arg1, 0);
3065
        goto do_stat;
3066
    case TARGET_NR_lstat:
3067
        p = lock_user_string(arg1);
3068
        ret = get_errno(lstat(path(p), &st));
3069
        unlock_user(p, arg1, 0);
3070
        goto do_stat;
3071
    case TARGET_NR_fstat:
3072
        {
3073
            ret = get_errno(fstat(arg1, &st));
3074
        do_stat:
3075
            if (!is_error(ret)) {
3076
                struct target_stat *target_st;
3077
                
3078
                lock_user_struct(target_st, arg2, 0);
3079
                target_st->st_dev = tswap16(st.st_dev);
3080
                target_st->st_ino = tswapl(st.st_ino);
3081
#if defined(TARGET_PPC) || defined(TARGET_MIPS)
3082
                target_st->st_mode = tswapl(st.st_mode); /* XXX: check this */
3083
                target_st->st_uid = tswap32(st.st_uid);
3084
                target_st->st_gid = tswap32(st.st_gid);
3085
#else
3086
                target_st->st_mode = tswap16(st.st_mode);
3087
                target_st->st_uid = tswap16(st.st_uid);
3088
                target_st->st_gid = tswap16(st.st_gid);
3089
#endif
3090
                target_st->st_nlink = tswap16(st.st_nlink);
3091
                target_st->st_rdev = tswap16(st.st_rdev);
3092
                target_st->st_size = tswapl(st.st_size);
3093
                target_st->st_blksize = tswapl(st.st_blksize);
3094
                target_st->st_blocks = tswapl(st.st_blocks);
3095
                target_st->target_st_atime = tswapl(st.st_atime);
3096
                target_st->target_st_mtime = tswapl(st.st_mtime);
3097
                target_st->target_st_ctime = tswapl(st.st_ctime);
3098
                unlock_user_struct(target_st, arg2, 1);
3099
            }
3100
        }
3101
        break;
3102
#ifdef TARGET_NR_olduname
3103
    case TARGET_NR_olduname:
3104
        goto unimplemented;
3105
#endif
3106
#ifdef TARGET_NR_iopl
3107
    case TARGET_NR_iopl:
3108
        goto unimplemented;
3109
#endif
3110
    case TARGET_NR_vhangup:
3111
        ret = get_errno(vhangup());
3112
        break;
3113
#ifdef TARGET_NR_idle
3114
    case TARGET_NR_idle:
3115
        goto unimplemented;
3116
#endif
3117
#ifdef TARGET_NR_syscall
3118
    case TARGET_NR_syscall:
3119
            ret = do_syscall(cpu_env,arg1 & 0xffff,arg2,arg3,arg4,arg5,arg6,0);
3120
            break;
3121
#endif
3122
    case TARGET_NR_wait4:
3123
        {
3124
            int status;
3125
            target_long status_ptr = arg2;
3126
            struct rusage rusage, *rusage_ptr;
3127
            target_ulong target_rusage = arg4;
3128
            if (target_rusage)
3129
                rusage_ptr = &rusage;
3130
            else
3131
                rusage_ptr = NULL;
3132
            ret = get_errno(wait4(arg1, &status, arg3, rusage_ptr));
3133
            if (!is_error(ret)) {
3134
                if (status_ptr)
3135
                    tputl(status_ptr, status);
3136
                if (target_rusage) {
3137
                    host_to_target_rusage(target_rusage, &rusage);
3138
                }
3139
            }
3140
        }
3141
        break;
3142
#ifdef TARGET_NR_swapoff
3143
    case TARGET_NR_swapoff:
3144
        p = lock_user_string(arg1);
3145
        ret = get_errno(swapoff(p));
3146
        unlock_user(p, arg1, 0);
3147
        break;
3148
#endif
3149
    case TARGET_NR_sysinfo:
3150
        {
3151
            struct target_sysinfo *target_value;
3152
            struct sysinfo value;
3153
            ret = get_errno(sysinfo(&value));
3154
            if (!is_error(ret) && arg1)
3155
            {
3156
                /* ??? __put_user is probably wrong.  */
3157
                lock_user_struct(target_value, arg1, 0);
3158
                __put_user(value.uptime, &target_value->uptime);
3159
                __put_user(value.loads[0], &target_value->loads[0]);
3160
                __put_user(value.loads[1], &target_value->loads[1]);
3161
                __put_user(value.loads[2], &target_value->loads[2]);
3162
                __put_user(value.totalram, &target_value->totalram);
3163
                __put_user(value.freeram, &target_value->freeram);
3164
                __put_user(value.sharedram, &target_value->sharedram);
3165
                __put_user(value.bufferram, &target_value->bufferram);
3166
                __put_user(value.totalswap, &target_value->totalswap);
3167
                __put_user(value.freeswap, &target_value->freeswap);
3168
                __put_user(value.procs, &target_value->procs);
3169
                __put_user(value.totalhigh, &target_value->totalhigh);
3170
                __put_user(value.freehigh, &target_value->freehigh);
3171
                __put_user(value.mem_unit, &target_value->mem_unit);
3172
                unlock_user_struct(target_value, arg1, 1);
3173
            }
3174
        }
3175
        break;
3176
#ifdef TARGET_NR_ipc
3177
    case TARGET_NR_ipc:
3178
        ret = do_ipc(arg1, arg2, arg3, arg4, arg5, arg6);
3179
        break;
3180
#endif
3181
    case TARGET_NR_fsync:
3182
        ret = get_errno(fsync(arg1));
3183
        break;
3184
    case TARGET_NR_clone:
3185
        ret = get_errno(do_fork(cpu_env, arg1, arg2));
3186
        break;
3187
#ifdef __NR_exit_group
3188
        /* new thread calls */
3189
    case TARGET_NR_exit_group:
3190
        gdb_exit(cpu_env, arg1);
3191
        ret = get_errno(exit_group(arg1));
3192
        break;
3193
#endif
3194
    case TARGET_NR_setdomainname:
3195
        p = lock_user_string(arg1);
3196
        ret = get_errno(setdomainname(p, arg2));
3197
        unlock_user(p, arg1, 0);
3198
        break;
3199
    case TARGET_NR_uname:
3200
        /* no need to transcode because we use the linux syscall */
3201
        {
3202
            struct new_utsname * buf;
3203
    
3204
            lock_user_struct(buf, arg1, 0);
3205
            ret = get_errno(sys_uname(buf));
3206
            if (!is_error(ret)) {
3207
                /* Overrite the native machine name with whatever is being
3208
                   emulated. */
3209
                strcpy (buf->machine, UNAME_MACHINE);
3210
                /* Allow the user to override the reported release.  */
3211
                if (qemu_uname_release && *qemu_uname_release)
3212
                  strcpy (buf->release, qemu_uname_release);
3213
            }
3214
            unlock_user_struct(buf, arg1, 1);
3215
        }
3216
        break;
3217
#ifdef TARGET_I386
3218
    case TARGET_NR_modify_ldt:
3219
        ret = get_errno(do_modify_ldt(cpu_env, arg1, arg2, arg3));
3220
        break;
3221
    case TARGET_NR_vm86old:
3222
        goto unimplemented;
3223
    case TARGET_NR_vm86:
3224
        ret = do_vm86(cpu_env, arg1, arg2);
3225
        break;
3226
#endif
3227
    case TARGET_NR_adjtimex:
3228
        goto unimplemented;
3229
#ifdef TARGET_NR_create_module
3230
    case TARGET_NR_create_module:
3231
#endif
3232
    case TARGET_NR_init_module:
3233
    case TARGET_NR_delete_module:
3234
#ifdef TARGET_NR_get_kernel_syms
3235
    case TARGET_NR_get_kernel_syms:
3236
#endif
3237
        goto unimplemented;
3238
    case TARGET_NR_quotactl:
3239
        goto unimplemented;
3240
    case TARGET_NR_getpgid:
3241
        ret = get_errno(getpgid(arg1));
3242
        break;
3243
    case TARGET_NR_fchdir:
3244
        ret = get_errno(fchdir(arg1));
3245
        break;
3246
    case TARGET_NR_bdflush:
3247
        goto unimplemented;
3248
#ifdef TARGET_NR_sysfs
3249
    case TARGET_NR_sysfs:
3250
        goto unimplemented;
3251
#endif
3252
    case TARGET_NR_personality:
3253
        ret = get_errno(personality(arg1));
3254
        break;
3255
#ifdef TARGET_NR_afs_syscall
3256
    case TARGET_NR_afs_syscall:
3257
        goto unimplemented;
3258
#endif
3259
    case TARGET_NR__llseek:
3260
        {
3261
#if defined (__x86_64__)
3262
            ret = get_errno(lseek(arg1, ((uint64_t )arg2 << 32) | arg3, arg5));
3263
            tput64(arg4, ret);
3264
#else
3265
            int64_t res;
3266
            ret = get_errno(_llseek(arg1, arg2, arg3, &res, arg5));
3267
            tput64(arg4, res);
3268
#endif
3269
        }
3270
        break;
3271
    case TARGET_NR_getdents:
3272
#if TARGET_LONG_SIZE != 4
3273
        goto unimplemented;
3274
#warning not supported
3275
#elif TARGET_LONG_SIZE == 4 && HOST_LONG_SIZE == 8
3276
        {
3277
            struct target_dirent *target_dirp;
3278
            struct dirent *dirp;
3279
            long count = arg3;
3280

    
3281
            dirp = malloc(count);
3282
            if (!dirp)
3283
                return -ENOMEM;
3284
            
3285
            ret = get_errno(sys_getdents(arg1, dirp, count));
3286
            if (!is_error(ret)) {
3287
                struct dirent *de;
3288
                struct target_dirent *tde;
3289
                int len = ret;
3290
                int reclen, treclen;
3291
                int count1, tnamelen;
3292

    
3293
                count1 = 0;
3294
                de = dirp;
3295
                target_dirp = lock_user(arg2, count, 0);
3296
                tde = target_dirp;
3297
                while (len > 0) {
3298
                    reclen = de->d_reclen;
3299
                    treclen = reclen - (2 * (sizeof(long) - sizeof(target_long)));
3300
                    tde->d_reclen = tswap16(treclen);
3301
                    tde->d_ino = tswapl(de->d_ino);
3302
                    tde->d_off = tswapl(de->d_off);
3303
                    tnamelen = treclen - (2 * sizeof(target_long) + 2);
3304
                    if (tnamelen > 256)
3305
                        tnamelen = 256;
3306
                    /* XXX: may not be correct */
3307
                    strncpy(tde->d_name, de->d_name, tnamelen);
3308
                    de = (struct dirent *)((char *)de + reclen);
3309
                    len -= reclen;
3310
                    tde = (struct dirent *)((char *)tde + treclen);
3311
                    count1 += treclen;
3312
                }
3313
                ret = count1;
3314
            }
3315
            unlock_user(target_dirp, arg2, ret);
3316
            free(dirp);
3317
        }
3318
#else
3319
        {
3320
            struct dirent *dirp;
3321
            long count = arg3;
3322

    
3323
            dirp = lock_user(arg2, count, 0);
3324
            ret = get_errno(sys_getdents(arg1, dirp, count));
3325
            if (!is_error(ret)) {
3326
                struct dirent *de;
3327
                int len = ret;
3328
                int reclen;
3329
                de = dirp;
3330
                while (len > 0) {
3331
                    reclen = de->d_reclen;
3332
                    if (reclen > len)
3333
                        break;
3334
                    de->d_reclen = tswap16(reclen);
3335
                    tswapls(&de->d_ino);
3336
                    tswapls(&de->d_off);
3337
                    de = (struct dirent *)((char *)de + reclen);
3338
                    len -= reclen;
3339
                }
3340
            }
3341
            unlock_user(dirp, arg2, ret);
3342
        }
3343
#endif
3344
        break;
3345
#ifdef TARGET_NR_getdents64
3346
    case TARGET_NR_getdents64:
3347
        {
3348
            struct dirent64 *dirp;
3349
            long count = arg3;
3350
            dirp = lock_user(arg2, count, 0);
3351
            ret = get_errno(sys_getdents64(arg1, dirp, count));
3352
            if (!is_error(ret)) {
3353
                struct dirent64 *de;
3354
                int len = ret;
3355
                int reclen;
3356
                de = dirp;
3357
                while (len > 0) {
3358
                    reclen = de->d_reclen;
3359
                    if (reclen > len)
3360
                        break;
3361
                    de->d_reclen = tswap16(reclen);
3362
                    tswap64s(&de->d_ino);
3363
                    tswap64s(&de->d_off);
3364
                    de = (struct dirent64 *)((char *)de + reclen);
3365
                    len -= reclen;
3366
                }
3367
            }
3368
            unlock_user(dirp, arg2, ret);
3369
        }
3370
        break;
3371
#endif /* TARGET_NR_getdents64 */
3372
#ifdef TARGET_NR__newselect
3373
    case TARGET_NR__newselect:
3374
        ret = do_select(arg1, arg2, arg3, arg4, arg5);
3375
        break;
3376
#endif
3377
#ifdef TARGET_NR_poll
3378
    case TARGET_NR_poll:
3379
        {
3380
            struct target_pollfd *target_pfd;
3381
            unsigned int nfds = arg2;
3382
            int timeout = arg3;
3383
            struct pollfd *pfd;
3384
            unsigned int i;
3385

    
3386
            target_pfd = lock_user(arg1, sizeof(struct target_pollfd) * nfds, 1);
3387
            pfd = alloca(sizeof(struct pollfd) * nfds);
3388
            for(i = 0; i < nfds; i++) {
3389
                pfd[i].fd = tswap32(target_pfd[i].fd);
3390
                pfd[i].events = tswap16(target_pfd[i].events);
3391
            }
3392
            ret = get_errno(poll(pfd, nfds, timeout));
3393
            if (!is_error(ret)) {
3394
                for(i = 0; i < nfds; i++) {
3395
                    target_pfd[i].revents = tswap16(pfd[i].revents);
3396
                }
3397
                ret += nfds * (sizeof(struct target_pollfd)
3398
                               - sizeof(struct pollfd));
3399
            }
3400
            unlock_user(target_pfd, arg1, ret);
3401
        }
3402
        break;
3403
#endif
3404
    case TARGET_NR_flock:
3405
        /* NOTE: the flock constant seems to be the same for every
3406
           Linux platform */
3407
        ret = get_errno(flock(arg1, arg2));
3408
        break;
3409
    case TARGET_NR_readv:
3410
        {
3411
            int count = arg3;
3412
            struct iovec *vec;
3413

    
3414
            vec = alloca(count * sizeof(struct iovec));
3415
            lock_iovec(vec, arg2, count, 0);
3416
            ret = get_errno(readv(arg1, vec, count));
3417
            unlock_iovec(vec, arg2, count, 1);
3418
        }
3419
        break;
3420
    case TARGET_NR_writev:
3421
        {
3422
            int count = arg3;
3423
            struct iovec *vec;
3424

    
3425
            vec = alloca(count * sizeof(struct iovec));
3426
            lock_iovec(vec, arg2, count, 1);
3427
            ret = get_errno(writev(arg1, vec, count));
3428
            unlock_iovec(vec, arg2, count, 0);
3429
        }
3430
        break;
3431
    case TARGET_NR_getsid:
3432
        ret = get_errno(getsid(arg1));
3433
        break;
3434
    case TARGET_NR_fdatasync:
3435
        ret = get_errno(fdatasync(arg1));
3436
        break;
3437
    case TARGET_NR__sysctl:
3438
        /* We don't implement this, but ENODIR is always a safe
3439
           return value. */
3440
        return -ENOTDIR;
3441
    case TARGET_NR_sched_setparam:
3442
        {
3443
            struct sched_param *target_schp;
3444
            struct sched_param schp;
3445

    
3446
            lock_user_struct(target_schp, arg2, 1);
3447
            schp.sched_priority = tswap32(target_schp->sched_priority);
3448
            unlock_user_struct(target_schp, arg2, 0);
3449
            ret = get_errno(sched_setparam(arg1, &schp));
3450
        }
3451
        break;
3452
    case TARGET_NR_sched_getparam:
3453
        {
3454
            struct sched_param *target_schp;
3455
            struct sched_param schp;
3456
            ret = get_errno(sched_getparam(arg1, &schp));
3457
            if (!is_error(ret)) {
3458
                lock_user_struct(target_schp, arg2, 0);
3459
                target_schp->sched_priority = tswap32(schp.sched_priority);
3460
                unlock_user_struct(target_schp, arg2, 1);
3461
            }
3462
        }
3463
        break;
3464
    case TARGET_NR_sched_setscheduler:
3465
        {
3466
            struct sched_param *target_schp;
3467
            struct sched_param schp;
3468
            lock_user_struct(target_schp, arg3, 1);
3469
            schp.sched_priority = tswap32(target_schp->sched_priority);
3470
            unlock_user_struct(target_schp, arg3, 0);
3471
            ret = get_errno(sched_setscheduler(arg1, arg2, &schp));
3472
        }
3473
        break;
3474
    case TARGET_NR_sched_getscheduler:
3475
        ret = get_errno(sched_getscheduler(arg1));
3476
        break;
3477
    case TARGET_NR_sched_yield:
3478
        ret = get_errno(sched_yield());
3479
        break;
3480
    case TARGET_NR_sched_get_priority_max:
3481
        ret = get_errno(sched_get_priority_max(arg1));
3482
        break;
3483
    case TARGET_NR_sched_get_priority_min:
3484
        ret = get_errno(sched_get_priority_min(arg1));
3485
        break;
3486
    case TARGET_NR_sched_rr_get_interval:
3487
        {
3488
            struct timespec ts;
3489
            ret = get_errno(sched_rr_get_interval(arg1, &ts));
3490
            if (!is_error(ret)) {
3491
                host_to_target_timespec(arg2, &ts);
3492
            }
3493
        }
3494
        break;
3495
    case TARGET_NR_nanosleep:
3496
        {
3497
            struct timespec req, rem;
3498
            target_to_host_timespec(&req, arg1);
3499
            ret = get_errno(nanosleep(&req, &rem));
3500
            if (is_error(ret) && arg2) {
3501
                host_to_target_timespec(arg2, &rem);
3502
            }
3503
        }
3504
        break;
3505
#ifdef TARGET_NR_query_module
3506
    case TARGET_NR_query_module:
3507
        goto unimplemented;
3508
#endif
3509
#ifdef TARGET_NR_nfsservctl
3510
    case TARGET_NR_nfsservctl:
3511
        goto unimplemented;
3512
#endif
3513
    case TARGET_NR_prctl:
3514
        switch (arg1)
3515
            {
3516
            case PR_GET_PDEATHSIG:
3517
                {
3518
                    int deathsig;
3519
                    ret = get_errno(prctl(arg1, &deathsig, arg3, arg4, arg5));
3520
                    if (!is_error(ret) && arg2)
3521
                        tput32(arg2, deathsig);
3522
                }
3523
                break;
3524
            default:
3525
                ret = get_errno(prctl(arg1, arg2, arg3, arg4, arg5));
3526
                break;
3527
            }
3528
        break;
3529
#ifdef TARGET_NR_pread
3530
    case TARGET_NR_pread:
3531
        page_unprotect_range(arg2, arg3);
3532
        p = lock_user(arg2, arg3, 0);
3533
        ret = get_errno(pread(arg1, p, arg3, arg4));
3534
        unlock_user(p, arg2, ret);
3535
        break;
3536
    case TARGET_NR_pwrite:
3537
        p = lock_user(arg2, arg3, 1);
3538
        ret = get_errno(pwrite(arg1, p, arg3, arg4));
3539
        unlock_user(p, arg2, 0);
3540
        break;
3541
#endif
3542
    case TARGET_NR_getcwd:
3543
        p = lock_user(arg1, arg2, 0);
3544
        ret = get_errno(sys_getcwd1(p, arg2));
3545
        unlock_user(p, arg1, ret);
3546
        break;
3547
    case TARGET_NR_capget:
3548
        goto unimplemented;
3549
    case TARGET_NR_capset:
3550
        goto unimplemented;
3551
    case TARGET_NR_sigaltstack:
3552
        goto unimplemented;
3553
    case TARGET_NR_sendfile:
3554
        goto unimplemented;
3555
#ifdef TARGET_NR_getpmsg
3556
    case TARGET_NR_getpmsg:
3557
        goto unimplemented;
3558
#endif
3559
#ifdef TARGET_NR_putpmsg
3560
    case TARGET_NR_putpmsg:
3561
        goto unimplemented;
3562
#endif
3563
#ifdef TARGET_NR_vfork
3564
    case TARGET_NR_vfork:
3565
        ret = get_errno(do_fork(cpu_env, CLONE_VFORK | CLONE_VM | SIGCHLD, 0));
3566
        break;
3567
#endif
3568
#ifdef TARGET_NR_ugetrlimit
3569
    case TARGET_NR_ugetrlimit:
3570
    {
3571
        struct rlimit rlim;
3572
        ret = get_errno(getrlimit(arg1, &rlim));
3573
        if (!is_error(ret)) {
3574
            struct target_rlimit *target_rlim;
3575
            lock_user_struct(target_rlim, arg2, 0);
3576
            target_rlim->rlim_cur = tswapl(rlim.rlim_cur);
3577
            target_rlim->rlim_max = tswapl(rlim.rlim_max);
3578
            unlock_user_struct(target_rlim, arg2, 1);
3579
        }
3580
        break;
3581
    }
3582
#endif
3583
#ifdef TARGET_NR_truncate64
3584
    case TARGET_NR_truncate64:
3585
        p = lock_user_string(arg1);
3586
        ret = target_truncate64(cpu_env, p, arg2, arg3, arg4);
3587
        unlock_user(p, arg1, 0);
3588
        break;
3589
#endif
3590
#ifdef TARGET_NR_ftruncate64
3591
    case TARGET_NR_ftruncate64:
3592
        ret = target_ftruncate64(cpu_env, arg1, arg2, arg3, arg4);
3593
        break;
3594
#endif
3595
#ifdef TARGET_NR_stat64
3596
    case TARGET_NR_stat64:
3597
        p = lock_user_string(arg1);
3598
        ret = get_errno(stat(path(p), &st));
3599
        unlock_user(p, arg1, 0);
3600
        goto do_stat64;
3601
#endif
3602
#ifdef TARGET_NR_lstat64
3603
    case TARGET_NR_lstat64:
3604
        p = lock_user_string(arg1);
3605
        ret = get_errno(lstat(path(p), &st));
3606
        unlock_user(p, arg1, 0);
3607
        goto do_stat64;
3608
#endif
3609
#ifdef TARGET_NR_fstat64
3610
    case TARGET_NR_fstat64:
3611
        {
3612
            ret = get_errno(fstat(arg1, &st));
3613
        do_stat64:
3614
            if (!is_error(ret)) {
3615
#ifdef TARGET_ARM
3616
                if (((CPUARMState *)cpu_env)->eabi) {
3617
                    struct target_eabi_stat64 *target_st;
3618
                    lock_user_struct(target_st, arg2, 1);
3619
                    memset(target_st, 0, sizeof(struct target_eabi_stat64));
3620
                    /* put_user is probably wrong.  */
3621
                    put_user(st.st_dev, &target_st->st_dev);
3622
                    put_user(st.st_ino, &target_st->st_ino);
3623
#ifdef TARGET_STAT64_HAS_BROKEN_ST_INO
3624
                    put_user(st.st_ino, &target_st->__st_ino);
3625
#endif
3626
                    put_user(st.st_mode, &target_st->st_mode);
3627
                    put_user(st.st_nlink, &target_st->st_nlink);
3628
                    put_user(st.st_uid, &target_st->st_uid);
3629
                    put_user(st.st_gid, &target_st->st_gid);
3630
                    put_user(st.st_rdev, &target_st->st_rdev);
3631
                    /* XXX: better use of kernel struct */
3632
                    put_user(st.st_size, &target_st->st_size);
3633
                    put_user(st.st_blksize, &target_st->st_blksize);
3634
                    put_user(st.st_blocks, &target_st->st_blocks);
3635
                    put_user(st.st_atime, &target_st->target_st_atime);
3636
                    put_user(st.st_mtime, &target_st->target_st_mtime);
3637
                    put_user(st.st_ctime, &target_st->target_st_ctime);
3638
                    unlock_user_struct(target_st, arg2, 0);
3639
                } else
3640
#endif
3641
                {
3642
                    struct target_stat64 *target_st;
3643
                    lock_user_struct(target_st, arg2, 1);
3644
                    memset(target_st, 0, sizeof(struct target_stat64));
3645
                    /* ??? put_user is probably wrong.  */
3646
                    put_user(st.st_dev, &target_st->st_dev);
3647
                    put_user(st.st_ino, &target_st->st_ino);
3648
#ifdef TARGET_STAT64_HAS_BROKEN_ST_INO
3649
                    put_user(st.st_ino, &target_st->__st_ino);
3650
#endif
3651
                    put_user(st.st_mode, &target_st->st_mode);
3652
                    put_user(st.st_nlink, &target_st->st_nlink);
3653
                    put_user(st.st_uid, &target_st->st_uid);
3654
                    put_user(st.st_gid, &target_st->st_gid);
3655
                    put_user(st.st_rdev, &target_st->st_rdev);
3656
                    /* XXX: better use of kernel struct */
3657
                    put_user(st.st_size, &target_st->st_size);
3658
                    put_user(st.st_blksize, &target_st->st_blksize);
3659
                    put_user(st.st_blocks, &target_st->st_blocks);
3660
                    put_user(st.st_atime, &target_st->target_st_atime);
3661
                    put_user(st.st_mtime, &target_st->target_st_mtime);
3662
                    put_user(st.st_ctime, &target_st->target_st_ctime);
3663
                    unlock_user_struct(target_st, arg2, 0);
3664
                }
3665
            }
3666
        }
3667
        break;
3668
#endif
3669
#ifdef USE_UID16
3670
    case TARGET_NR_lchown:
3671
        p = lock_user_string(arg1);
3672
        ret = get_errno(lchown(p, low2highuid(arg2), low2highgid(arg3)));
3673
        unlock_user(p, arg1, 0);
3674
        break;
3675
    case TARGET_NR_getuid:
3676
        ret = get_errno(high2lowuid(getuid()));
3677
        break;
3678
    case TARGET_NR_getgid:
3679
        ret = get_errno(high2lowgid(getgid()));
3680
        break;
3681
    case TARGET_NR_geteuid:
3682
        ret = get_errno(high2lowuid(geteuid()));
3683
        break;
3684
    case TARGET_NR_getegid:
3685
        ret = get_errno(high2lowgid(getegid()));
3686
        break;
3687
    case TARGET_NR_setreuid:
3688
        ret = get_errno(setreuid(low2highuid(arg1), low2highuid(arg2)));
3689
        break;
3690
    case TARGET_NR_setregid:
3691
        ret = get_errno(setregid(low2highgid(arg1), low2highgid(arg2)));
3692
        break;
3693
    case TARGET_NR_getgroups:
3694
        {
3695
            int gidsetsize = arg1;
3696
            uint16_t *target_grouplist;
3697
            gid_t *grouplist;
3698
            int i;
3699

    
3700
            grouplist = alloca(gidsetsize * sizeof(gid_t));
3701
            ret = get_errno(getgroups(gidsetsize, grouplist));
3702
            if (!is_error(ret)) {
3703
                target_grouplist = lock_user(arg2, gidsetsize * 2, 0);
3704
                for(i = 0;i < gidsetsize; i++)
3705
                    target_grouplist[i] = tswap16(grouplist[i]);
3706
                unlock_user(target_grouplist, arg2, gidsetsize * 2);
3707
            }
3708
        }
3709
        break;
3710
    case TARGET_NR_setgroups:
3711
        {
3712
            int gidsetsize = arg1;
3713
            uint16_t *target_grouplist;
3714
            gid_t *grouplist;
3715
            int i;
3716

    
3717
            grouplist = alloca(gidsetsize * sizeof(gid_t));
3718
            target_grouplist = lock_user(arg2, gidsetsize * 2, 1);
3719
            for(i = 0;i < gidsetsize; i++)
3720
                grouplist[i] = tswap16(target_grouplist[i]);
3721
            unlock_user(target_grouplist, arg2, 0);
3722
            ret = get_errno(setgroups(gidsetsize, grouplist));
3723
        }
3724
        break;
3725
    case TARGET_NR_fchown:
3726
        ret = get_errno(fchown(arg1, low2highuid(arg2), low2highgid(arg3)));
3727
        break;
3728
#ifdef TARGET_NR_setresuid
3729
    case TARGET_NR_setresuid:
3730
        ret = get_errno(setresuid(low2highuid(arg1), 
3731
                                  low2highuid(arg2), 
3732
                                  low2highuid(arg3)));
3733
        break;
3734
#endif
3735
#ifdef TARGET_NR_getresuid
3736
    case TARGET_NR_getresuid:
3737
        {
3738
            uid_t ruid, euid, suid;
3739
            ret = get_errno(getresuid(&ruid, &euid, &suid));
3740
            if (!is_error(ret)) {
3741
                tput16(arg1, tswap16(high2lowuid(ruid)));
3742
                tput16(arg2, tswap16(high2lowuid(euid)));
3743
                tput16(arg3, tswap16(high2lowuid(suid)));
3744
            }
3745
        }
3746
        break;
3747
#endif
3748
#ifdef TARGET_NR_getresgid
3749
    case TARGET_NR_setresgid:
3750
        ret = get_errno(setresgid(low2highgid(arg1), 
3751
                                  low2highgid(arg2), 
3752
                                  low2highgid(arg3)));
3753
        break;
3754
#endif
3755
#ifdef TARGET_NR_getresgid
3756
    case TARGET_NR_getresgid:
3757
        {
3758
            gid_t rgid, egid, sgid;
3759
            ret = get_errno(getresgid(&rgid, &egid, &sgid));
3760
            if (!is_error(ret)) {
3761
                tput16(arg1, tswap16(high2lowgid(rgid)));
3762
                tput16(arg2, tswap16(high2lowgid(egid)));
3763
                tput16(arg3, tswap16(high2lowgid(sgid)));
3764
            }
3765
        }
3766
        break;
3767
#endif
3768
    case TARGET_NR_chown:
3769
        p = lock_user_string(arg1);
3770
        ret = get_errno(chown(p, low2highuid(arg2), low2highgid(arg3)));
3771
        unlock_user(p, arg1, 0);
3772
        break;
3773
    case TARGET_NR_setuid:
3774
        ret = get_errno(setuid(low2highuid(arg1)));
3775
        break;
3776
    case TARGET_NR_setgid:
3777
        ret = get_errno(setgid(low2highgid(arg1)));
3778
        break;
3779
    case TARGET_NR_setfsuid:
3780
        ret = get_errno(setfsuid(arg1));
3781
        break;
3782
    case TARGET_NR_setfsgid:
3783
        ret = get_errno(setfsgid(arg1));
3784
        break;
3785
#endif /* USE_UID16 */
3786

    
3787
#ifdef TARGET_NR_lchown32
3788
    case TARGET_NR_lchown32:
3789
        p = lock_user_string(arg1);
3790
        ret = get_errno(lchown(p, arg2, arg3));
3791
        unlock_user(p, arg1, 0);
3792
        break;
3793
#endif
3794
#ifdef TARGET_NR_getuid32
3795
    case TARGET_NR_getuid32:
3796
        ret = get_errno(getuid());
3797
        break;
3798
#endif
3799
#ifdef TARGET_NR_getgid32
3800
    case TARGET_NR_getgid32:
3801
        ret = get_errno(getgid());
3802
        break;
3803
#endif
3804
#ifdef TARGET_NR_geteuid32
3805
    case TARGET_NR_geteuid32:
3806
        ret = get_errno(geteuid());
3807
        break;
3808
#endif
3809
#ifdef TARGET_NR_getegid32
3810
    case TARGET_NR_getegid32:
3811
        ret = get_errno(getegid());
3812
        break;
3813
#endif
3814
#ifdef TARGET_NR_setreuid32
3815
    case TARGET_NR_setreuid32:
3816
        ret = get_errno(setreuid(arg1, arg2));
3817
        break;
3818
#endif
3819
#ifdef TARGET_NR_setregid32
3820
    case TARGET_NR_setregid32:
3821
        ret = get_errno(setregid(arg1, arg2));
3822
        break;
3823
#endif
3824
#ifdef TARGET_NR_getgroups32
3825
    case TARGET_NR_getgroups32:
3826
        {
3827
            int gidsetsize = arg1;
3828
            uint32_t *target_grouplist;
3829
            gid_t *grouplist;
3830
            int i;
3831

    
3832
            grouplist = alloca(gidsetsize * sizeof(gid_t));
3833
            ret = get_errno(getgroups(gidsetsize, grouplist));
3834
            if (!is_error(ret)) {
3835
                target_grouplist = lock_user(arg2, gidsetsize * 4, 0);
3836
                for(i = 0;i < gidsetsize; i++)
3837
                    target_grouplist[i] = tswap32(grouplist[i]);
3838
                unlock_user(target_grouplist, arg2, gidsetsize * 4);
3839
            }
3840
        }
3841
        break;
3842
#endif
3843
#ifdef TARGET_NR_setgroups32
3844
    case TARGET_NR_setgroups32:
3845
        {
3846
            int gidsetsize = arg1;
3847
            uint32_t *target_grouplist;
3848
            gid_t *grouplist;
3849
            int i;
3850
            
3851
            grouplist = alloca(gidsetsize * sizeof(gid_t));
3852
            target_grouplist = lock_user(arg2, gidsetsize * 4, 1);
3853
            for(i = 0;i < gidsetsize; i++)
3854
                grouplist[i] = tswap32(target_grouplist[i]);
3855
            unlock_user(target_grouplist, arg2, 0);
3856
            ret = get_errno(setgroups(gidsetsize, grouplist));
3857
        }
3858
        break;
3859
#endif
3860
#ifdef TARGET_NR_fchown32
3861
    case TARGET_NR_fchown32:
3862
        ret = get_errno(fchown(arg1, arg2, arg3));
3863
        break;
3864
#endif
3865
#ifdef TARGET_NR_setresuid32
3866
    case TARGET_NR_setresuid32:
3867
        ret = get_errno(setresuid(arg1, arg2, arg3));
3868
        break;
3869
#endif
3870
#ifdef TARGET_NR_getresuid32
3871
    case TARGET_NR_getresuid32:
3872
        {
3873
            uid_t ruid, euid, suid;
3874
            ret = get_errno(getresuid(&ruid, &euid, &suid));
3875
            if (!is_error(ret)) {
3876
                tput32(arg1, tswap32(ruid));
3877
                tput32(arg2, tswap32(euid));
3878
                tput32(arg3, tswap32(suid));
3879
            }
3880
        }
3881
        break;
3882
#endif
3883
#ifdef TARGET_NR_setresgid32
3884
    case TARGET_NR_setresgid32:
3885
        ret = get_errno(setresgid(arg1, arg2, arg3));
3886
        break;
3887
#endif
3888
#ifdef TARGET_NR_getresgid32
3889
    case TARGET_NR_getresgid32:
3890
        {
3891
            gid_t rgid, egid, sgid;
3892
            ret = get_errno(getresgid(&rgid, &egid, &sgid));
3893
            if (!is_error(ret)) {
3894
                tput32(arg1, tswap32(rgid));
3895
                tput32(arg2, tswap32(egid));
3896
                tput32(arg3, tswap32(sgid));
3897
            }
3898
        }
3899
        break;
3900
#endif
3901
#ifdef TARGET_NR_chown32
3902
    case TARGET_NR_chown32:
3903
        p = lock_user_string(arg1);
3904
        ret = get_errno(chown(p, arg2, arg3));
3905
        unlock_user(p, arg1, 0);
3906
        break;
3907
#endif
3908
#ifdef TARGET_NR_setuid32
3909
    case TARGET_NR_setuid32:
3910
        ret = get_errno(setuid(arg1));
3911
        break;
3912
#endif
3913
#ifdef TARGET_NR_setgid32
3914
    case TARGET_NR_setgid32:
3915
        ret = get_errno(setgid(arg1));
3916
        break;
3917
#endif
3918
#ifdef TARGET_NR_setfsuid32
3919
    case TARGET_NR_setfsuid32:
3920
        ret = get_errno(setfsuid(arg1));
3921
        break;
3922
#endif
3923
#ifdef TARGET_NR_setfsgid32
3924
    case TARGET_NR_setfsgid32:
3925
        ret = get_errno(setfsgid(arg1));
3926
        break;
3927
#endif
3928

    
3929
    case TARGET_NR_pivot_root:
3930
        goto unimplemented;
3931
#ifdef TARGET_NR_mincore
3932
    case TARGET_NR_mincore:
3933
        goto unimplemented;
3934
#endif
3935
#ifdef TARGET_NR_madvise
3936
    case TARGET_NR_madvise:
3937
        /* A straight passthrough may not be safe because qemu sometimes
3938
           turns private flie-backed mappings into anonymous mappings.
3939
           This will break MADV_DONTNEED.
3940
           This is a hint, so ignoring and returning success is ok.  */
3941
        ret = get_errno(0);
3942
        break;
3943
#endif
3944
#if TARGET_LONG_BITS == 32
3945
    case TARGET_NR_fcntl64:
3946
    {
3947
        int cmd;
3948
        struct flock64 fl;
3949
        struct target_flock64 *target_fl;
3950
#ifdef TARGET_ARM
3951
        struct target_eabi_flock64 *target_efl;
3952
#endif
3953

    
3954
        switch(arg2){
3955
        case TARGET_F_GETLK64:
3956
            cmd = F_GETLK64;
3957
            break;
3958
        case TARGET_F_SETLK64:
3959
            cmd = F_SETLK64;
3960
            break;
3961
        case TARGET_F_SETLKW64:
3962
            cmd = F_SETLK64;
3963
            break;
3964
        default:
3965
            cmd = arg2;
3966
            break;
3967
        }
3968

    
3969
        switch(arg2) {
3970
        case TARGET_F_GETLK64:
3971
#ifdef TARGET_ARM
3972
            if (((CPUARMState *)cpu_env)->eabi) {
3973
                lock_user_struct(target_efl, arg3, 1);
3974
                fl.l_type = tswap16(target_efl->l_type);
3975
                fl.l_whence = tswap16(target_efl->l_whence);
3976
                fl.l_start = tswap64(target_efl->l_start);
3977
                fl.l_len = tswap64(target_efl->l_len);
3978
                fl.l_pid = tswapl(target_efl->l_pid);
3979
                unlock_user_struct(target_efl, arg3, 0);
3980
            } else
3981
#endif
3982
            {
3983
                lock_user_struct(target_fl, arg3, 1);
3984
                fl.l_type = tswap16(target_fl->l_type);
3985
                fl.l_whence = tswap16(target_fl->l_whence);
3986
                fl.l_start = tswap64(target_fl->l_start);
3987
                fl.l_len = tswap64(target_fl->l_len);
3988
                fl.l_pid = tswapl(target_fl->l_pid);
3989
                unlock_user_struct(target_fl, arg3, 0);
3990
            }
3991
            ret = get_errno(fcntl(arg1, cmd, &fl));
3992
            if (ret == 0) {
3993
#ifdef TARGET_ARM
3994
                if (((CPUARMState *)cpu_env)->eabi) {
3995
                    lock_user_struct(target_efl, arg3, 0);
3996
                    target_efl->l_type = tswap16(fl.l_type);
3997
                    target_efl->l_whence = tswap16(fl.l_whence);
3998
                    target_efl->l_start = tswap64(fl.l_start);
3999
                    target_efl->l_len = tswap64(fl.l_len);
4000
                    target_efl->l_pid = tswapl(fl.l_pid);
4001
                    unlock_user_struct(target_efl, arg3, 1);
4002
                } else
4003
#endif
4004
                {
4005
                    lock_user_struct(target_fl, arg3, 0);
4006
                    target_fl->l_type = tswap16(fl.l_type);
4007
                    target_fl->l_whence = tswap16(fl.l_whence);
4008
                    target_fl->l_start = tswap64(fl.l_start);
4009
                    target_fl->l_len = tswap64(fl.l_len);
4010
                    target_fl->l_pid = tswapl(fl.l_pid);
4011
                    unlock_user_struct(target_fl, arg3, 1);
4012
                }
4013
            }
4014
            break;
4015

    
4016
        case TARGET_F_SETLK64:
4017
        case TARGET_F_SETLKW64:
4018
#ifdef TARGET_ARM
4019
            if (((CPUARMState *)cpu_env)->eabi) {
4020
                lock_user_struct(target_efl, arg3, 1);
4021
                fl.l_type = tswap16(target_efl->l_type);
4022
                fl.l_whence = tswap16(target_efl->l_whence);
4023
                fl.l_start = tswap64(target_efl->l_start);
4024
                fl.l_len = tswap64(target_efl->l_len);
4025
                fl.l_pid = tswapl(target_efl->l_pid);
4026
                unlock_user_struct(target_efl, arg3, 0);
4027
            } else
4028
#endif
4029
            {
4030
                lock_user_struct(target_fl, arg3, 1);
4031
                fl.l_type = tswap16(target_fl->l_type);
4032
                fl.l_whence = tswap16(target_fl->l_whence);
4033
                fl.l_start = tswap64(target_fl->l_start);
4034
                fl.l_len = tswap64(target_fl->l_len);
4035
                fl.l_pid = tswapl(target_fl->l_pid);
4036
                unlock_user_struct(target_fl, arg3, 0);
4037
            }
4038
            ret = get_errno(fcntl(arg1, cmd, &fl));
4039
            break;
4040
        default:
4041
            ret = get_errno(do_fcntl(arg1, cmd, arg3));
4042
            break;
4043
        }
4044
        break;
4045
    }
4046
#endif
4047
#ifdef TARGET_NR_cacheflush
4048
    case TARGET_NR_cacheflush:
4049
        /* self-modifying code is handled automatically, so nothing needed */
4050
        ret = 0;
4051
        break;
4052
#endif
4053
#ifdef TARGET_NR_security
4054
    case TARGET_NR_security:
4055
        goto unimplemented;
4056
#endif
4057
#ifdef TARGET_NR_getpagesize
4058
    case TARGET_NR_getpagesize:
4059
        ret = TARGET_PAGE_SIZE;
4060
        break;
4061
#endif
4062
    case TARGET_NR_gettid:
4063
        ret = get_errno(gettid());
4064
        break;
4065
#ifdef TARGET_NR_readahead
4066
    case TARGET_NR_readahead:
4067
        goto unimplemented;
4068
#endif
4069
#ifdef TARGET_NR_setxattr
4070
    case TARGET_NR_setxattr:
4071
    case TARGET_NR_lsetxattr:
4072
    case TARGET_NR_fsetxattr:
4073
    case TARGET_NR_getxattr:
4074
    case TARGET_NR_lgetxattr:
4075
    case TARGET_NR_fgetxattr:
4076
    case TARGET_NR_listxattr:
4077
    case TARGET_NR_llistxattr:
4078
    case TARGET_NR_flistxattr:
4079
    case TARGET_NR_removexattr:
4080
    case TARGET_NR_lremovexattr:
4081
    case TARGET_NR_fremovexattr:
4082
        goto unimplemented_nowarn;
4083
#endif
4084
#ifdef TARGET_NR_set_thread_area
4085
    case TARGET_NR_set_thread_area:
4086
#ifdef TARGET_MIPS
4087
      ((CPUMIPSState *) cpu_env)->tls_value = arg1;
4088
      ret = 0;
4089
      break;
4090
#else
4091
      goto unimplemented_nowarn;
4092
#endif
4093
#endif
4094
#ifdef TARGET_NR_get_thread_area
4095
    case TARGET_NR_get_thread_area:
4096
        goto unimplemented_nowarn;
4097
#endif
4098
#ifdef TARGET_NR_getdomainname
4099
    case TARGET_NR_getdomainname:
4100
        goto unimplemented_nowarn;
4101
#endif
4102

    
4103
#ifdef TARGET_NR_clock_gettime
4104
    case TARGET_NR_clock_gettime:
4105
    {
4106
        struct timespec ts;
4107
        ret = get_errno(clock_gettime(arg1, &ts));
4108
        if (!is_error(ret)) {
4109
            host_to_target_timespec(arg2, &ts);
4110
        }
4111
        break;
4112
    }
4113
#endif
4114
#ifdef TARGET_NR_clock_getres
4115
    case TARGET_NR_clock_getres:
4116
    {
4117
        struct timespec ts;
4118
        ret = get_errno(clock_getres(arg1, &ts));
4119
        if (!is_error(ret)) {
4120
            host_to_target_timespec(arg2, &ts);
4121
        }
4122
        break;
4123
    }
4124
#endif
4125

    
4126
#if defined(TARGET_NR_set_tid_address) && defined(__NR_set_tid_address)
4127
    case TARGET_NR_set_tid_address:
4128
      ret = get_errno(set_tid_address((int *) arg1));
4129
      break;
4130
#endif
4131

    
4132
    default:
4133
    unimplemented:
4134
        gemu_log("qemu: Unsupported syscall: %d\n", num);
4135
#if defined(TARGET_NR_setxattr) || defined(TARGET_NR_get_thread_area) || defined(TARGET_NR_getdomainname)
4136
    unimplemented_nowarn:
4137
#endif
4138
        ret = -ENOSYS;
4139
        break;
4140
    }
4141
 fail:
4142
#ifdef DEBUG
4143
    gemu_log(" = %ld\n", ret);
4144
#endif
4145
    return ret;
4146
}
4147