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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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 *
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 *  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>
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#include <sys/time.h>
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#include <sys/stat.h>
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#include <sys/mount.h>
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#include <sys/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>
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//#include <sys/user.h>
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#include <netinet/ip.h>
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#include <netinet/tcp.h>
55

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

    
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#if defined(TARGET_I386) || defined(TARGET_ARM) || defined(TARGET_SPARC) \
77
    || defined(TARGET_M68K) || defined(TARGET_SH4)
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/* 16 bit uid wrappers emulation */
79
#define USE_UID16
80
#endif
81

    
82
//#include <linux/msdos_fs.h>
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#define        VFAT_IOCTL_READDIR_BOTH                _IOR('r', 1, struct dirent [2])
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#define        VFAT_IOCTL_READDIR_SHORT        _IOR('r', 2, struct dirent [2])
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)                \
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type name (void)                        \
97
{                                        \
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        return syscall(__NR_##name);        \
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}
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)                        \
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{                                                                \
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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)                                \
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{                                                                                \
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        return syscall(__NR_##name, arg1, arg2, arg3, arg4);                        \
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}
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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
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#define __NR_sys_getdents __NR_getdents
144
#define __NR_sys_getdents64 __NR_getdents64
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#define __NR_sys_rt_sigqueueinfo __NR_rt_sigqueueinfo
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#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
        if (!newsp)
1754
            newsp = env->gpr[29];
1755
        new_env->gpr[29] = newsp;
1756
#elif defined(TARGET_PPC)
1757
        if (!newsp)
1758
            newsp = env->gpr[1];
1759
        new_env->gpr[1] = newsp;
1760
        { 
1761
            int i;
1762
            for (i = 7; i < 32; i++)
1763
                new_env->gpr[i] = 0;
1764
        }
1765
#elif defined(TARGET_SH4)
1766
        if (!newsp)
1767
          newsp = env->gregs[15];
1768
        new_env->gregs[15] = newsp;
1769
        /* XXXXX */
1770
#elif defined(TARGET_ALPHA)
1771
       if (!newsp)
1772
         newsp = env->ir[30];
1773
       new_env->ir[30] = newsp;
1774
        /* ? */
1775
        {
1776
            int i;
1777
            for (i = 7; i < 30; i++)
1778
                new_env->ir[i] = 0;
1779
        }
1780
#else
1781
#error unsupported target CPU
1782
#endif
1783
        new_env->opaque = ts;
1784
#ifdef __ia64__
1785
        ret = __clone2(clone_func, new_stack + NEW_STACK_SIZE, flags, new_env);
1786
#else
1787
        ret = clone(clone_func, new_stack + NEW_STACK_SIZE, flags, new_env);
1788
#endif
1789
    } else {
1790
        /* if no CLONE_VM, we consider it is a fork */
1791
        if ((flags & ~CSIGNAL) != 0)
1792
            return -EINVAL;
1793
        ret = fork();
1794
    }
1795
    return ret;
1796
}
1797

    
1798
static long do_fcntl(int fd, int cmd, target_ulong arg)
1799
{
1800
    struct flock fl;
1801
    struct target_flock *target_fl;
1802
    struct flock64 fl64;
1803
    struct target_flock64 *target_fl64;
1804
    long ret;
1805

    
1806
    switch(cmd) {
1807
    case TARGET_F_GETLK:
1808
        lock_user_struct(target_fl, arg, 1);
1809
        fl.l_type = tswap16(target_fl->l_type);
1810
        fl.l_whence = tswap16(target_fl->l_whence);
1811
        fl.l_start = tswapl(target_fl->l_start);
1812
        fl.l_len = tswapl(target_fl->l_len);
1813
        fl.l_pid = tswapl(target_fl->l_pid);
1814
        unlock_user_struct(target_fl, arg, 0);
1815
        ret = fcntl(fd, cmd, &fl);
1816
        if (ret == 0) {
1817
            lock_user_struct(target_fl, arg, 0);
1818
            target_fl->l_type = tswap16(fl.l_type);
1819
            target_fl->l_whence = tswap16(fl.l_whence);
1820
            target_fl->l_start = tswapl(fl.l_start);
1821
            target_fl->l_len = tswapl(fl.l_len);
1822
            target_fl->l_pid = tswapl(fl.l_pid);
1823
            unlock_user_struct(target_fl, arg, 1);
1824
        }
1825
        break;
1826
        
1827
    case TARGET_F_SETLK:
1828
    case TARGET_F_SETLKW:
1829
        lock_user_struct(target_fl, arg, 1);
1830
        fl.l_type = tswap16(target_fl->l_type);
1831
        fl.l_whence = tswap16(target_fl->l_whence);
1832
        fl.l_start = tswapl(target_fl->l_start);
1833
        fl.l_len = tswapl(target_fl->l_len);
1834
        fl.l_pid = tswapl(target_fl->l_pid);
1835
        unlock_user_struct(target_fl, arg, 0);
1836
        ret = fcntl(fd, cmd, &fl);
1837
        break;
1838
        
1839
    case TARGET_F_GETLK64:
1840
        lock_user_struct(target_fl64, arg, 1);
1841
        fl64.l_type = tswap16(target_fl64->l_type) >> 1;
1842
        fl64.l_whence = tswap16(target_fl64->l_whence);
1843
        fl64.l_start = tswapl(target_fl64->l_start);
1844
        fl64.l_len = tswapl(target_fl64->l_len);
1845
        fl64.l_pid = tswap16(target_fl64->l_pid);
1846
        unlock_user_struct(target_fl64, arg, 0);
1847
        ret = fcntl(fd, cmd >> 1, &fl64);
1848
        if (ret == 0) {
1849
            lock_user_struct(target_fl64, arg, 0);
1850
            target_fl64->l_type = tswap16(fl64.l_type) >> 1;
1851
            target_fl64->l_whence = tswap16(fl64.l_whence);
1852
            target_fl64->l_start = tswapl(fl64.l_start);
1853
            target_fl64->l_len = tswapl(fl64.l_len);
1854
            target_fl64->l_pid = tswapl(fl64.l_pid);
1855
            unlock_user_struct(target_fl64, arg, 1);
1856
        }
1857
                break;
1858
    case TARGET_F_SETLK64:
1859
    case TARGET_F_SETLKW64:
1860
        lock_user_struct(target_fl64, arg, 1);
1861
        fl64.l_type = tswap16(target_fl64->l_type) >> 1;
1862
        fl64.l_whence = tswap16(target_fl64->l_whence);
1863
        fl64.l_start = tswapl(target_fl64->l_start);
1864
        fl64.l_len = tswapl(target_fl64->l_len);
1865
        fl64.l_pid = tswap16(target_fl64->l_pid);
1866
        unlock_user_struct(target_fl64, arg, 0);
1867
                ret = fcntl(fd, cmd >> 1, &fl64);
1868
        break;
1869

    
1870
    case F_GETFL:
1871
        ret = fcntl(fd, cmd, arg);
1872
        ret = host_to_target_bitmask(ret, fcntl_flags_tbl);
1873
        break;
1874

    
1875
    case F_SETFL:
1876
        ret = fcntl(fd, cmd, target_to_host_bitmask(arg, fcntl_flags_tbl));
1877
        break;
1878

    
1879
    default:
1880
        ret = fcntl(fd, cmd, arg);
1881
        break;
1882
    }
1883
    return ret;
1884
}
1885

    
1886
#ifdef USE_UID16
1887

    
1888
static inline int high2lowuid(int uid)
1889
{
1890
    if (uid > 65535)
1891
        return 65534;
1892
    else
1893
        return uid;
1894
}
1895

    
1896
static inline int high2lowgid(int gid)
1897
{
1898
    if (gid > 65535)
1899
        return 65534;
1900
    else
1901
        return gid;
1902
}
1903

    
1904
static inline int low2highuid(int uid)
1905
{
1906
    if ((int16_t)uid == -1)
1907
        return -1;
1908
    else
1909
        return uid;
1910
}
1911

    
1912
static inline int low2highgid(int gid)
1913
{
1914
    if ((int16_t)gid == -1)
1915
        return -1;
1916
    else
1917
        return gid;
1918
}
1919

    
1920
#endif /* USE_UID16 */
1921

    
1922
void syscall_init(void)
1923
{
1924
    IOCTLEntry *ie;
1925
    const argtype *arg_type;
1926
    int size;
1927

    
1928
#define STRUCT(name, list...) thunk_register_struct(STRUCT_ ## name, #name, struct_ ## name ## _def); 
1929
#define STRUCT_SPECIAL(name) thunk_register_struct_direct(STRUCT_ ## name, #name, &struct_ ## name ## _def); 
1930
#include "syscall_types.h"
1931
#undef STRUCT
1932
#undef STRUCT_SPECIAL
1933

    
1934
    /* we patch the ioctl size if necessary. We rely on the fact that
1935
       no ioctl has all the bits at '1' in the size field */
1936
    ie = ioctl_entries;
1937
    while (ie->target_cmd != 0) {
1938
        if (((ie->target_cmd >> TARGET_IOC_SIZESHIFT) & TARGET_IOC_SIZEMASK) ==
1939
            TARGET_IOC_SIZEMASK) {
1940
            arg_type = ie->arg_type;
1941
            if (arg_type[0] != TYPE_PTR) {
1942
                fprintf(stderr, "cannot patch size for ioctl 0x%x\n", 
1943
                        ie->target_cmd);
1944
                exit(1);
1945
            }
1946
            arg_type++;
1947
            size = thunk_type_size(arg_type, 0);
1948
            ie->target_cmd = (ie->target_cmd & 
1949
                              ~(TARGET_IOC_SIZEMASK << TARGET_IOC_SIZESHIFT)) |
1950
                (size << TARGET_IOC_SIZESHIFT);
1951
        }
1952
        /* automatic consistency check if same arch */
1953
#if defined(__i386__) && defined(TARGET_I386)
1954
        if (ie->target_cmd != ie->host_cmd) {
1955
            fprintf(stderr, "ERROR: ioctl: target=0x%x host=0x%x\n", 
1956
                    ie->target_cmd, ie->host_cmd);
1957
        }
1958
#endif
1959
        ie++;
1960
    }
1961
}
1962

    
1963
static inline uint64_t target_offset64(uint32_t word0, uint32_t word1)
1964
{
1965
#ifdef TARGET_WORDS_BIG_ENDIAN
1966
    return ((uint64_t)word0 << 32) | word1;
1967
#else
1968
    return ((uint64_t)word1 << 32) | word0;
1969
#endif
1970
}
1971

    
1972
#ifdef TARGET_NR_truncate64
1973
static inline long target_truncate64(void *cpu_env, const char *arg1,
1974
                                     long arg2, long arg3, long arg4)
1975
{
1976
#ifdef TARGET_ARM
1977
    if (((CPUARMState *)cpu_env)->eabi)
1978
      {
1979
        arg2 = arg3;
1980
        arg3 = arg4;
1981
      }
1982
#endif
1983
    return get_errno(truncate64(arg1, target_offset64(arg2, arg3)));
1984
}
1985
#endif
1986

    
1987
#ifdef TARGET_NR_ftruncate64
1988
static inline long target_ftruncate64(void *cpu_env, long arg1, long arg2,
1989
                                      long arg3, long arg4)
1990
{
1991
#ifdef TARGET_ARM
1992
    if (((CPUARMState *)cpu_env)->eabi)
1993
      {
1994
        arg2 = arg3;
1995
        arg3 = arg4;
1996
      }
1997
#endif
1998
    return get_errno(ftruncate64(arg1, target_offset64(arg2, arg3)));
1999
}
2000
#endif
2001

    
2002
static inline void target_to_host_timespec(struct timespec *host_ts,
2003
                                           target_ulong target_addr)
2004
{
2005
    struct target_timespec *target_ts;
2006

    
2007
    lock_user_struct(target_ts, target_addr, 1);
2008
    host_ts->tv_sec = tswapl(target_ts->tv_sec);
2009
    host_ts->tv_nsec = tswapl(target_ts->tv_nsec);
2010
    unlock_user_struct(target_ts, target_addr, 0);
2011
}
2012

    
2013
static inline void host_to_target_timespec(target_ulong target_addr,
2014
                                           struct timespec *host_ts)
2015
{
2016
    struct target_timespec *target_ts;
2017

    
2018
    lock_user_struct(target_ts, target_addr, 0);
2019
    target_ts->tv_sec = tswapl(host_ts->tv_sec);
2020
    target_ts->tv_nsec = tswapl(host_ts->tv_nsec);
2021
    unlock_user_struct(target_ts, target_addr, 1);
2022
}
2023

    
2024
long do_syscall(void *cpu_env, int num, long arg1, long arg2, long arg3, 
2025
                long arg4, long arg5, long arg6)
2026
{
2027
    long ret;
2028
    struct stat st;
2029
    struct statfs stfs;
2030
    void *p;
2031
    
2032
#ifdef DEBUG
2033
    gemu_log("syscall %d", num);
2034
#endif
2035
    switch(num) {
2036
    case TARGET_NR_exit:
2037
#ifdef HAVE_GPROF
2038
        _mcleanup();
2039
#endif
2040
        gdb_exit(cpu_env, arg1);
2041
        /* XXX: should free thread stack and CPU env */
2042
        _exit(arg1);
2043
        ret = 0; /* avoid warning */
2044
        break;
2045
    case TARGET_NR_read:
2046
        page_unprotect_range(arg2, arg3);
2047
        p = lock_user(arg2, arg3, 0);
2048
        ret = get_errno(read(arg1, p, arg3));
2049
        unlock_user(p, arg2, ret);
2050
        break;
2051
    case TARGET_NR_write:
2052
        p = lock_user(arg2, arg3, 1);
2053
        ret = get_errno(write(arg1, p, arg3));
2054
        unlock_user(p, arg2, 0);
2055
        break;
2056
    case TARGET_NR_open:
2057
        p = lock_user_string(arg1);
2058
        ret = get_errno(open(path(p),
2059
                             target_to_host_bitmask(arg2, fcntl_flags_tbl),
2060
                             arg3));
2061
        unlock_user(p, arg1, 0);
2062
        break;
2063
    case TARGET_NR_close:
2064
        ret = get_errno(close(arg1));
2065
        break;
2066
    case TARGET_NR_brk:
2067
        ret = do_brk(arg1);
2068
        break;
2069
    case TARGET_NR_fork:
2070
        ret = get_errno(do_fork(cpu_env, SIGCHLD, 0));
2071
        break;
2072
#ifdef TARGET_NR_waitpid
2073
    case TARGET_NR_waitpid:
2074
        {
2075
            int status;
2076
            ret = get_errno(waitpid(arg1, &status, arg3));
2077
            if (!is_error(ret) && arg2)
2078
                tput32(arg2, status);
2079
        }
2080
        break;
2081
#endif
2082
#ifdef TARGET_NR_creat /* not on alpha */
2083
    case TARGET_NR_creat:
2084
        p = lock_user_string(arg1);
2085
        ret = get_errno(creat(p, arg2));
2086
        unlock_user(p, arg1, 0);
2087
        break;
2088
#endif
2089
    case TARGET_NR_link:
2090
        {
2091
            void * p2;
2092
            p = lock_user_string(arg1);
2093
            p2 = lock_user_string(arg2);
2094
            ret = get_errno(link(p, p2));
2095
            unlock_user(p2, arg2, 0);
2096
            unlock_user(p, arg1, 0);
2097
        }
2098
        break;
2099
    case TARGET_NR_unlink:
2100
        p = lock_user_string(arg1);
2101
        ret = get_errno(unlink(p));
2102
        unlock_user(p, arg1, 0);
2103
        break;
2104
    case TARGET_NR_execve:
2105
        {
2106
            char **argp, **envp;
2107
            int argc, envc;
2108
            target_ulong gp;
2109
            target_ulong guest_argp;
2110
            target_ulong guest_envp;
2111
            target_ulong addr;
2112
            char **q;
2113

    
2114
            argc = 0;
2115
            guest_argp = arg2;
2116
            for (gp = guest_argp; tgetl(gp); gp++)
2117
                argc++;
2118
            envc = 0;
2119
            guest_envp = arg3;
2120
            for (gp = guest_envp; tgetl(gp); gp++)
2121
                envc++;
2122

    
2123
            argp = alloca((argc + 1) * sizeof(void *));
2124
            envp = alloca((envc + 1) * sizeof(void *));
2125

    
2126
            for (gp = guest_argp, q = argp; ;
2127
                  gp += sizeof(target_ulong), q++) {
2128
                addr = tgetl(gp);
2129
                if (!addr)
2130
                    break;
2131
                *q = lock_user_string(addr);
2132
            }
2133
            *q = NULL;
2134

    
2135
            for (gp = guest_envp, q = envp; ;
2136
                  gp += sizeof(target_ulong), q++) {
2137
                addr = tgetl(gp);
2138
                if (!addr)
2139
                    break;
2140
                *q = lock_user_string(addr);
2141
            }
2142
            *q = NULL;
2143

    
2144
            p = lock_user_string(arg1);
2145
            ret = get_errno(execve(p, argp, envp));
2146
            unlock_user(p, arg1, 0);
2147

    
2148
            for (gp = guest_argp, q = argp; *q;
2149
                  gp += sizeof(target_ulong), q++) {
2150
                addr = tgetl(gp);
2151
                unlock_user(*q, addr, 0);
2152
            }
2153
            for (gp = guest_envp, q = envp; *q;
2154
                  gp += sizeof(target_ulong), q++) {
2155
                addr = tgetl(gp);
2156
                unlock_user(*q, addr, 0);
2157
            }
2158
        }
2159
        break;
2160
    case TARGET_NR_chdir:
2161
        p = lock_user_string(arg1);
2162
        ret = get_errno(chdir(p));
2163
        unlock_user(p, arg1, 0);
2164
        break;
2165
#ifdef TARGET_NR_time
2166
    case TARGET_NR_time:
2167
        {
2168
            time_t host_time;
2169
            ret = get_errno(time(&host_time));
2170
            if (!is_error(ret) && arg1)
2171
                tputl(arg1, host_time);
2172
        }
2173
        break;
2174
#endif
2175
    case TARGET_NR_mknod:
2176
        p = lock_user_string(arg1);
2177
        ret = get_errno(mknod(p, arg2, arg3));
2178
        unlock_user(p, arg1, 0);
2179
        break;
2180
    case TARGET_NR_chmod:
2181
        p = lock_user_string(arg1);
2182
        ret = get_errno(chmod(p, arg2));
2183
        unlock_user(p, arg1, 0);
2184
        break;
2185
#ifdef TARGET_NR_break
2186
    case TARGET_NR_break:
2187
        goto unimplemented;
2188
#endif
2189
#ifdef TARGET_NR_oldstat
2190
    case TARGET_NR_oldstat:
2191
        goto unimplemented;
2192
#endif
2193
    case TARGET_NR_lseek:
2194
        ret = get_errno(lseek(arg1, arg2, arg3));
2195
        break;
2196
#ifdef TARGET_NR_getxpid
2197
    case TARGET_NR_getxpid:
2198
#else
2199
    case TARGET_NR_getpid:
2200
#endif
2201
        ret = get_errno(getpid());
2202
        break;
2203
    case TARGET_NR_mount:
2204
                {
2205
                        /* need to look at the data field */
2206
                        void *p2, *p3;
2207
                        p = lock_user_string(arg1);
2208
                        p2 = lock_user_string(arg2);
2209
                        p3 = lock_user_string(arg3);
2210
                        ret = get_errno(mount(p, p2, p3, (unsigned long)arg4, (const void *)arg5));
2211
                        unlock_user(p, arg1, 0);
2212
                        unlock_user(p2, arg2, 0);
2213
                        unlock_user(p3, arg3, 0);
2214
                        break;
2215
                }
2216
#ifdef TARGET_NR_umount
2217
    case TARGET_NR_umount:
2218
        p = lock_user_string(arg1);
2219
        ret = get_errno(umount(p));
2220
        unlock_user(p, arg1, 0);
2221
        break;
2222
#endif
2223
#ifdef TARGET_NR_stime /* not on alpha */
2224
    case TARGET_NR_stime:
2225
        {
2226
            time_t host_time;
2227
            host_time = tgetl(arg1);
2228
            ret = get_errno(stime(&host_time));
2229
        }
2230
        break;
2231
#endif
2232
    case TARGET_NR_ptrace:
2233
        goto unimplemented;
2234
#ifdef TARGET_NR_alarm /* not on alpha */
2235
    case TARGET_NR_alarm:
2236
        ret = alarm(arg1);
2237
        break;
2238
#endif
2239
#ifdef TARGET_NR_oldfstat
2240
    case TARGET_NR_oldfstat:
2241
        goto unimplemented;
2242
#endif
2243
#ifdef TARGET_NR_pause /* not on alpha */
2244
    case TARGET_NR_pause:
2245
        ret = get_errno(pause());
2246
        break;
2247
#endif
2248
#ifdef TARGET_NR_utime
2249
    case TARGET_NR_utime:
2250
        {
2251
            struct utimbuf tbuf, *host_tbuf;
2252
            struct target_utimbuf *target_tbuf;
2253
            if (arg2) {
2254
                lock_user_struct(target_tbuf, arg2, 1);
2255
                tbuf.actime = tswapl(target_tbuf->actime);
2256
                tbuf.modtime = tswapl(target_tbuf->modtime);
2257
                unlock_user_struct(target_tbuf, arg2, 0);
2258
                host_tbuf = &tbuf;
2259
            } else {
2260
                host_tbuf = NULL;
2261
            }
2262
            p = lock_user_string(arg1);
2263
            ret = get_errno(utime(p, host_tbuf));
2264
            unlock_user(p, arg1, 0);
2265
        }
2266
        break;
2267
#endif
2268
    case TARGET_NR_utimes:
2269
        {
2270
            struct timeval *tvp, tv[2];
2271
            if (arg2) {
2272
                target_to_host_timeval(&tv[0], arg2);
2273
                target_to_host_timeval(&tv[1],
2274
                    arg2 + sizeof (struct target_timeval));
2275
                tvp = tv;
2276
            } else {
2277
                tvp = NULL;
2278
            }
2279
            p = lock_user_string(arg1);
2280
            ret = get_errno(utimes(p, tvp));
2281
            unlock_user(p, arg1, 0);
2282
        }
2283
        break;
2284
#ifdef TARGET_NR_stty
2285
    case TARGET_NR_stty:
2286
        goto unimplemented;
2287
#endif
2288
#ifdef TARGET_NR_gtty
2289
    case TARGET_NR_gtty:
2290
        goto unimplemented;
2291
#endif
2292
    case TARGET_NR_access:
2293
        p = lock_user_string(arg1);
2294
        ret = get_errno(access(p, arg2));
2295
        unlock_user(p, arg1, 0);
2296
        break;
2297
#ifdef TARGET_NR_nice /* not on alpha */
2298
    case TARGET_NR_nice:
2299
        ret = get_errno(nice(arg1));
2300
        break;
2301
#endif
2302
#ifdef TARGET_NR_ftime
2303
    case TARGET_NR_ftime:
2304
        goto unimplemented;
2305
#endif
2306
    case TARGET_NR_sync:
2307
        sync();
2308
        ret = 0;
2309
        break;
2310
    case TARGET_NR_kill:
2311
        ret = get_errno(kill(arg1, arg2));
2312
        break;
2313
    case TARGET_NR_rename:
2314
        {
2315
            void *p2;
2316
            p = lock_user_string(arg1);
2317
            p2 = lock_user_string(arg2);
2318
            ret = get_errno(rename(p, p2));
2319
            unlock_user(p2, arg2, 0);
2320
            unlock_user(p, arg1, 0);
2321
        }
2322
        break;
2323
    case TARGET_NR_mkdir:
2324
        p = lock_user_string(arg1);
2325
        ret = get_errno(mkdir(p, arg2));
2326
        unlock_user(p, arg1, 0);
2327
        break;
2328
    case TARGET_NR_rmdir:
2329
        p = lock_user_string(arg1);
2330
        ret = get_errno(rmdir(p));
2331
        unlock_user(p, arg1, 0);
2332
        break;
2333
    case TARGET_NR_dup:
2334
        ret = get_errno(dup(arg1));
2335
        break;
2336
    case TARGET_NR_pipe:
2337
        {
2338
            int host_pipe[2];
2339
            ret = get_errno(pipe(host_pipe));
2340
            if (!is_error(ret)) {
2341
                tput32(arg1, host_pipe[0]);
2342
                tput32(arg1 + 4, host_pipe[1]);
2343
            }
2344
        }
2345
        break;
2346
    case TARGET_NR_times:
2347
        {
2348
            struct target_tms *tmsp;
2349
            struct tms tms;
2350
            ret = get_errno(times(&tms));
2351
            if (arg1) {
2352
                tmsp = lock_user(arg1, sizeof(struct target_tms), 0);
2353
                tmsp->tms_utime = tswapl(host_to_target_clock_t(tms.tms_utime));
2354
                tmsp->tms_stime = tswapl(host_to_target_clock_t(tms.tms_stime));
2355
                tmsp->tms_cutime = tswapl(host_to_target_clock_t(tms.tms_cutime));
2356
                tmsp->tms_cstime = tswapl(host_to_target_clock_t(tms.tms_cstime));
2357
            }
2358
            if (!is_error(ret))
2359
                ret = host_to_target_clock_t(ret);
2360
        }
2361
        break;
2362
#ifdef TARGET_NR_prof
2363
    case TARGET_NR_prof:
2364
        goto unimplemented;
2365
#endif
2366
#ifdef TARGET_NR_signal
2367
    case TARGET_NR_signal:
2368
        goto unimplemented;
2369
#endif
2370
    case TARGET_NR_acct:
2371
        p = lock_user_string(arg1);
2372
        ret = get_errno(acct(path(p)));
2373
        unlock_user(p, arg1, 0);
2374
        break;
2375
#ifdef TARGET_NR_umount2 /* not on alpha */
2376
    case TARGET_NR_umount2:
2377
        p = lock_user_string(arg1);
2378
        ret = get_errno(umount2(p, arg2));
2379
        unlock_user(p, arg1, 0);
2380
        break;
2381
#endif
2382
#ifdef TARGET_NR_lock
2383
    case TARGET_NR_lock:
2384
        goto unimplemented;
2385
#endif
2386
    case TARGET_NR_ioctl:
2387
        ret = do_ioctl(arg1, arg2, arg3);
2388
        break;
2389
    case TARGET_NR_fcntl:
2390
        ret = get_errno(do_fcntl(arg1, arg2, arg3));
2391
        break;
2392
#ifdef TARGET_NR_mpx
2393
    case TARGET_NR_mpx:
2394
        goto unimplemented;
2395
#endif
2396
    case TARGET_NR_setpgid:
2397
        ret = get_errno(setpgid(arg1, arg2));
2398
        break;
2399
#ifdef TARGET_NR_ulimit
2400
    case TARGET_NR_ulimit:
2401
        goto unimplemented;
2402
#endif
2403
#ifdef TARGET_NR_oldolduname
2404
    case TARGET_NR_oldolduname:
2405
        goto unimplemented;
2406
#endif
2407
    case TARGET_NR_umask:
2408
        ret = get_errno(umask(arg1));
2409
        break;
2410
    case TARGET_NR_chroot:
2411
        p = lock_user_string(arg1);
2412
        ret = get_errno(chroot(p));
2413
        unlock_user(p, arg1, 0);
2414
        break;
2415
    case TARGET_NR_ustat:
2416
        goto unimplemented;
2417
    case TARGET_NR_dup2:
2418
        ret = get_errno(dup2(arg1, arg2));
2419
        break;
2420
#ifdef TARGET_NR_getppid /* not on alpha */
2421
    case TARGET_NR_getppid:
2422
        ret = get_errno(getppid());
2423
        break;
2424
#endif
2425
    case TARGET_NR_getpgrp:
2426
        ret = get_errno(getpgrp());
2427
        break;
2428
    case TARGET_NR_setsid:
2429
        ret = get_errno(setsid());
2430
        break;
2431
#ifdef TARGET_NR_sigaction
2432
    case TARGET_NR_sigaction:
2433
        {
2434
#if !defined(TARGET_MIPS)
2435
            struct target_old_sigaction *old_act;
2436
            struct target_sigaction act, oact, *pact;
2437
            if (arg2) {
2438
                lock_user_struct(old_act, arg2, 1);
2439
                act._sa_handler = old_act->_sa_handler;
2440
                target_siginitset(&act.sa_mask, old_act->sa_mask);
2441
                act.sa_flags = old_act->sa_flags;
2442
                act.sa_restorer = old_act->sa_restorer;
2443
                unlock_user_struct(old_act, arg2, 0);
2444
                pact = &act;
2445
            } else {
2446
                pact = NULL;
2447
            }
2448
            ret = get_errno(do_sigaction(arg1, pact, &oact));
2449
            if (!is_error(ret) && arg3) {
2450
                lock_user_struct(old_act, arg3, 0);
2451
                old_act->_sa_handler = oact._sa_handler;
2452
                old_act->sa_mask = oact.sa_mask.sig[0];
2453
                old_act->sa_flags = oact.sa_flags;
2454
                old_act->sa_restorer = oact.sa_restorer;
2455
                unlock_user_struct(old_act, arg3, 1);
2456
            }
2457
#else
2458
            struct target_sigaction act, oact, *pact, *old_act;
2459

    
2460
            if (arg2) {
2461
                lock_user_struct(old_act, arg2, 1);
2462
                act._sa_handler = old_act->_sa_handler;
2463
                target_siginitset(&act.sa_mask, old_act->sa_mask.sig[0]);
2464
                act.sa_flags = old_act->sa_flags;
2465
                unlock_user_struct(old_act, arg2, 0);
2466
                pact = &act;
2467
            } else {
2468
                pact = NULL;
2469
            }
2470

    
2471
            ret = get_errno(do_sigaction(arg1, pact, &oact));
2472

    
2473
            if (!is_error(ret) && arg3) {
2474
                lock_user_struct(old_act, arg3, 0);
2475
                old_act->_sa_handler = oact._sa_handler;
2476
                old_act->sa_flags = oact.sa_flags;
2477
                old_act->sa_mask.sig[0] = oact.sa_mask.sig[0];
2478
                old_act->sa_mask.sig[1] = 0;
2479
                old_act->sa_mask.sig[2] = 0;
2480
                old_act->sa_mask.sig[3] = 0;
2481
                unlock_user_struct(old_act, arg3, 1);
2482
            }
2483
#endif
2484
        }
2485
        break;
2486
#endif
2487
    case TARGET_NR_rt_sigaction:
2488
        {
2489
            struct target_sigaction *act;
2490
            struct target_sigaction *oact;
2491

    
2492
            if (arg2)
2493
                lock_user_struct(act, arg2, 1);
2494
            else
2495
                act = NULL;
2496
            if (arg3)
2497
                lock_user_struct(oact, arg3, 0);
2498
            else
2499
                oact = NULL;
2500
            ret = get_errno(do_sigaction(arg1, act, oact));
2501
            if (arg2)
2502
                unlock_user_struct(act, arg2, 0);
2503
            if (arg3)
2504
                unlock_user_struct(oact, arg3, 1);
2505
        }
2506
        break;
2507
#ifdef TARGET_NR_sgetmask /* not on alpha */
2508
    case TARGET_NR_sgetmask:
2509
        {
2510
            sigset_t cur_set;
2511
            target_ulong target_set;
2512
            sigprocmask(0, NULL, &cur_set);
2513
            host_to_target_old_sigset(&target_set, &cur_set);
2514
            ret = target_set;
2515
        }
2516
        break;
2517
#endif
2518
#ifdef TARGET_NR_ssetmask /* not on alpha */
2519
    case TARGET_NR_ssetmask:
2520
        {
2521
            sigset_t set, oset, cur_set;
2522
            target_ulong target_set = arg1;
2523
            sigprocmask(0, NULL, &cur_set);
2524
            target_to_host_old_sigset(&set, &target_set);
2525
            sigorset(&set, &set, &cur_set);
2526
            sigprocmask(SIG_SETMASK, &set, &oset);
2527
            host_to_target_old_sigset(&target_set, &oset);
2528
            ret = target_set;
2529
        }
2530
        break;
2531
#endif
2532
#ifdef TARGET_NR_sigprocmask
2533
    case TARGET_NR_sigprocmask:
2534
        {
2535
            int how = arg1;
2536
            sigset_t set, oldset, *set_ptr;
2537
            
2538
            if (arg2) {
2539
                switch(how) {
2540
                case TARGET_SIG_BLOCK:
2541
                    how = SIG_BLOCK;
2542
                    break;
2543
                case TARGET_SIG_UNBLOCK:
2544
                    how = SIG_UNBLOCK;
2545
                    break;
2546
                case TARGET_SIG_SETMASK:
2547
                    how = SIG_SETMASK;
2548
                    break;
2549
                default:
2550
                    ret = -EINVAL;
2551
                    goto fail;
2552
                }
2553
                p = lock_user(arg2, sizeof(target_sigset_t), 1);
2554
                target_to_host_old_sigset(&set, p);
2555
                unlock_user(p, arg2, 0);
2556
                set_ptr = &set;
2557
            } else {
2558
                how = 0;
2559
                set_ptr = NULL;
2560
            }
2561
            ret = get_errno(sigprocmask(arg1, set_ptr, &oldset));
2562
            if (!is_error(ret) && arg3) {
2563
                p = lock_user(arg3, sizeof(target_sigset_t), 0);
2564
                host_to_target_old_sigset(p, &oldset);
2565
                unlock_user(p, arg3, sizeof(target_sigset_t));
2566
            }
2567
        }
2568
        break;
2569
#endif
2570
    case TARGET_NR_rt_sigprocmask:
2571
        {
2572
            int how = arg1;
2573
            sigset_t set, oldset, *set_ptr;
2574
            
2575
            if (arg2) {
2576
                switch(how) {
2577
                case TARGET_SIG_BLOCK:
2578
                    how = SIG_BLOCK;
2579
                    break;
2580
                case TARGET_SIG_UNBLOCK:
2581
                    how = SIG_UNBLOCK;
2582
                    break;
2583
                case TARGET_SIG_SETMASK:
2584
                    how = SIG_SETMASK;
2585
                    break;
2586
                default:
2587
                    ret = -EINVAL;
2588
                    goto fail;
2589
                }
2590
                p = lock_user(arg2, sizeof(target_sigset_t), 1);
2591
                target_to_host_sigset(&set, p);
2592
                unlock_user(p, arg2, 0);
2593
                set_ptr = &set;
2594
            } else {
2595
                how = 0;
2596
                set_ptr = NULL;
2597
            }
2598
            ret = get_errno(sigprocmask(how, set_ptr, &oldset));
2599
            if (!is_error(ret) && arg3) {
2600
                p = lock_user(arg3, sizeof(target_sigset_t), 0);
2601
                host_to_target_sigset(p, &oldset);
2602
                unlock_user(p, arg3, sizeof(target_sigset_t));
2603
            }
2604
        }
2605
        break;
2606
#ifdef TARGET_NR_sigpending
2607
    case TARGET_NR_sigpending:
2608
        {
2609
            sigset_t set;
2610
            ret = get_errno(sigpending(&set));
2611
            if (!is_error(ret)) {
2612
                p = lock_user(arg1, sizeof(target_sigset_t), 0);
2613
                host_to_target_old_sigset(p, &set);
2614
                unlock_user(p, arg1, sizeof(target_sigset_t));
2615
            }
2616
        }
2617
        break;
2618
#endif
2619
    case TARGET_NR_rt_sigpending:
2620
        {
2621
            sigset_t set;
2622
            ret = get_errno(sigpending(&set));
2623
            if (!is_error(ret)) {
2624
                p = lock_user(arg1, sizeof(target_sigset_t), 0);
2625
                host_to_target_sigset(p, &set);
2626
                unlock_user(p, arg1, sizeof(target_sigset_t));
2627
            }
2628
        }
2629
        break;
2630
#ifdef TARGET_NR_sigsuspend
2631
    case TARGET_NR_sigsuspend:
2632
        {
2633
            sigset_t set;
2634
            p = lock_user(arg1, sizeof(target_sigset_t), 1);
2635
            target_to_host_old_sigset(&set, p);
2636
            unlock_user(p, arg1, 0);
2637
            ret = get_errno(sigsuspend(&set));
2638
        }
2639
        break;
2640
#endif
2641
    case TARGET_NR_rt_sigsuspend:
2642
        {
2643
            sigset_t set;
2644
            p = lock_user(arg1, sizeof(target_sigset_t), 1);
2645
            target_to_host_sigset(&set, p);
2646
            unlock_user(p, arg1, 0);
2647
            ret = get_errno(sigsuspend(&set));
2648
        }
2649
        break;
2650
    case TARGET_NR_rt_sigtimedwait:
2651
        {
2652
            sigset_t set;
2653
            struct timespec uts, *puts;
2654
            siginfo_t uinfo;
2655
            
2656
            p = lock_user(arg1, sizeof(target_sigset_t), 1);
2657
            target_to_host_sigset(&set, p);
2658
            unlock_user(p, arg1, 0);
2659
            if (arg3) {
2660
                puts = &uts;
2661
                target_to_host_timespec(puts, arg3);
2662
            } else {
2663
                puts = NULL;
2664
            }
2665
            ret = get_errno(sigtimedwait(&set, &uinfo, puts));
2666
            if (!is_error(ret) && arg2) {
2667
                p = lock_user(arg2, sizeof(target_sigset_t), 0);
2668
                host_to_target_siginfo(p, &uinfo);
2669
                unlock_user(p, arg2, sizeof(target_sigset_t));
2670
            }
2671
        }
2672
        break;
2673
    case TARGET_NR_rt_sigqueueinfo:
2674
        {
2675
            siginfo_t uinfo;
2676
            p = lock_user(arg3, sizeof(target_sigset_t), 1);
2677
            target_to_host_siginfo(&uinfo, p);
2678
            unlock_user(p, arg1, 0);
2679
            ret = get_errno(sys_rt_sigqueueinfo(arg1, arg2, &uinfo));
2680
        }
2681
        break;
2682
#ifdef TARGET_NR_sigreturn
2683
    case TARGET_NR_sigreturn:
2684
        /* NOTE: ret is eax, so not transcoding must be done */
2685
        ret = do_sigreturn(cpu_env);
2686
        break;
2687
#endif
2688
    case TARGET_NR_rt_sigreturn:
2689
        /* NOTE: ret is eax, so not transcoding must be done */
2690
        ret = do_rt_sigreturn(cpu_env);
2691
        break;
2692
    case TARGET_NR_sethostname:
2693
        p = lock_user_string(arg1);
2694
        ret = get_errno(sethostname(p, arg2));
2695
        unlock_user(p, arg1, 0);
2696
        break;
2697
    case TARGET_NR_setrlimit:
2698
        {
2699
            /* XXX: convert resource ? */
2700
            int resource = arg1;
2701
            struct target_rlimit *target_rlim;
2702
            struct rlimit rlim;
2703
            lock_user_struct(target_rlim, arg2, 1);
2704
            rlim.rlim_cur = tswapl(target_rlim->rlim_cur);
2705
            rlim.rlim_max = tswapl(target_rlim->rlim_max);
2706
            unlock_user_struct(target_rlim, arg2, 0);
2707
            ret = get_errno(setrlimit(resource, &rlim));
2708
        }
2709
        break;
2710
    case TARGET_NR_getrlimit:
2711
        {
2712
            /* XXX: convert resource ? */
2713
            int resource = arg1;
2714
            struct target_rlimit *target_rlim;
2715
            struct rlimit rlim;
2716
            
2717
            ret = get_errno(getrlimit(resource, &rlim));
2718
            if (!is_error(ret)) {
2719
                lock_user_struct(target_rlim, arg2, 0);
2720
                rlim.rlim_cur = tswapl(target_rlim->rlim_cur);
2721
                rlim.rlim_max = tswapl(target_rlim->rlim_max);
2722
                unlock_user_struct(target_rlim, arg2, 1);
2723
            }
2724
        }
2725
        break;
2726
    case TARGET_NR_getrusage:
2727
        {
2728
            struct rusage rusage;
2729
            ret = get_errno(getrusage(arg1, &rusage));
2730
            if (!is_error(ret)) {
2731
                host_to_target_rusage(arg2, &rusage);
2732
            }
2733
        }
2734
        break;
2735
    case TARGET_NR_gettimeofday:
2736
        {
2737
            struct timeval tv;
2738
            ret = get_errno(gettimeofday(&tv, NULL));
2739
            if (!is_error(ret)) {
2740
                host_to_target_timeval(arg1, &tv);
2741
            }
2742
        }
2743
        break;
2744
    case TARGET_NR_settimeofday:
2745
        {
2746
            struct timeval tv;
2747
            target_to_host_timeval(&tv, arg1);
2748
            ret = get_errno(settimeofday(&tv, NULL));
2749
        }
2750
        break;
2751
#ifdef TARGET_NR_select
2752
    case TARGET_NR_select:
2753
        {
2754
            struct target_sel_arg_struct *sel;
2755
            target_ulong inp, outp, exp, tvp;
2756
            long nsel;
2757

    
2758
            lock_user_struct(sel, arg1, 1);
2759
            nsel = tswapl(sel->n);
2760
            inp = tswapl(sel->inp);
2761
            outp = tswapl(sel->outp);
2762
            exp = tswapl(sel->exp);
2763
            tvp = tswapl(sel->tvp);
2764
            unlock_user_struct(sel, arg1, 0);
2765
            ret = do_select(nsel, inp, outp, exp, tvp);
2766
        }
2767
        break;
2768
#endif
2769
    case TARGET_NR_symlink:
2770
        {
2771
            void *p2;
2772
            p = lock_user_string(arg1);
2773
            p2 = lock_user_string(arg2);
2774
            ret = get_errno(symlink(p, p2));
2775
            unlock_user(p2, arg2, 0);
2776
            unlock_user(p, arg1, 0);
2777
        }
2778
        break;
2779
#ifdef TARGET_NR_oldlstat
2780
    case TARGET_NR_oldlstat:
2781
        goto unimplemented;
2782
#endif
2783
    case TARGET_NR_readlink:
2784
        {
2785
            void *p2;
2786
            p = lock_user_string(arg1);
2787
            p2 = lock_user(arg2, arg3, 0);
2788
            ret = get_errno(readlink(path(p), p2, arg3));
2789
            unlock_user(p2, arg2, ret);
2790
            unlock_user(p, arg1, 0);
2791
        }
2792
        break;
2793
#ifdef TARGET_NR_uselib
2794
    case TARGET_NR_uselib:
2795
        goto unimplemented;
2796
#endif
2797
#ifdef TARGET_NR_swapon
2798
    case TARGET_NR_swapon:
2799
        p = lock_user_string(arg1);
2800
        ret = get_errno(swapon(p, arg2));
2801
        unlock_user(p, arg1, 0);
2802
        break;
2803
#endif
2804
    case TARGET_NR_reboot:
2805
        goto unimplemented;
2806
#ifdef TARGET_NR_readdir
2807
    case TARGET_NR_readdir:
2808
        goto unimplemented;
2809
#endif
2810
#ifdef TARGET_NR_mmap
2811
    case TARGET_NR_mmap:
2812
#if defined(TARGET_I386) || defined(TARGET_ARM) || defined(TARGET_M68K)
2813
        {
2814
            target_ulong *v;
2815
            target_ulong v1, v2, v3, v4, v5, v6;
2816
            v = lock_user(arg1, 6 * sizeof(target_ulong), 1);
2817
            v1 = tswapl(v[0]);
2818
            v2 = tswapl(v[1]);
2819
            v3 = tswapl(v[2]);
2820
            v4 = tswapl(v[3]);
2821
            v5 = tswapl(v[4]);
2822
            v6 = tswapl(v[5]);
2823
            unlock_user(v, arg1, 0);
2824
            ret = get_errno(target_mmap(v1, v2, v3, 
2825
                                        target_to_host_bitmask(v4, mmap_flags_tbl),
2826
                                        v5, v6));
2827
        }
2828
#else
2829
        ret = get_errno(target_mmap(arg1, arg2, arg3, 
2830
                                    target_to_host_bitmask(arg4, mmap_flags_tbl), 
2831
                                    arg5,
2832
                                    arg6));
2833
#endif
2834
        break;
2835
#endif
2836
#ifdef TARGET_NR_mmap2
2837
    case TARGET_NR_mmap2:
2838
#if defined(TARGET_SPARC) || defined(TARGET_MIPS)
2839
#define MMAP_SHIFT 12
2840
#else
2841
#define MMAP_SHIFT TARGET_PAGE_BITS
2842
#endif
2843
        ret = get_errno(target_mmap(arg1, arg2, arg3, 
2844
                                    target_to_host_bitmask(arg4, mmap_flags_tbl), 
2845
                                    arg5,
2846
                                    arg6 << MMAP_SHIFT));
2847
        break;
2848
#endif
2849
    case TARGET_NR_munmap:
2850
        ret = get_errno(target_munmap(arg1, arg2));
2851
        break;
2852
    case TARGET_NR_mprotect:
2853
        ret = get_errno(target_mprotect(arg1, arg2, arg3));
2854
        break;
2855
#ifdef TARGET_NR_mremap
2856
    case TARGET_NR_mremap:
2857
        ret = get_errno(target_mremap(arg1, arg2, arg3, arg4, arg5));
2858
        break;
2859
#endif
2860
        /* ??? msync/mlock/munlock are broken for softmmu.  */
2861
#ifdef TARGET_NR_msync
2862
    case TARGET_NR_msync:
2863
        ret = get_errno(msync(g2h(arg1), arg2, arg3));
2864
        break;
2865
#endif
2866
#ifdef TARGET_NR_mlock
2867
    case TARGET_NR_mlock:
2868
        ret = get_errno(mlock(g2h(arg1), arg2));
2869
        break;
2870
#endif
2871
#ifdef TARGET_NR_munlock
2872
    case TARGET_NR_munlock:
2873
        ret = get_errno(munlock(g2h(arg1), arg2));
2874
        break;
2875
#endif
2876
#ifdef TARGET_NR_mlockall
2877
    case TARGET_NR_mlockall:
2878
        ret = get_errno(mlockall(arg1));
2879
        break;
2880
#endif
2881
#ifdef TARGET_NR_munlockall
2882
    case TARGET_NR_munlockall:
2883
        ret = get_errno(munlockall());
2884
        break;
2885
#endif
2886
    case TARGET_NR_truncate:
2887
        p = lock_user_string(arg1);
2888
        ret = get_errno(truncate(p, arg2));
2889
        unlock_user(p, arg1, 0);
2890
        break;
2891
    case TARGET_NR_ftruncate:
2892
        ret = get_errno(ftruncate(arg1, arg2));
2893
        break;
2894
    case TARGET_NR_fchmod:
2895
        ret = get_errno(fchmod(arg1, arg2));
2896
        break;
2897
    case TARGET_NR_getpriority:
2898
        ret = get_errno(getpriority(arg1, arg2));
2899
        break;
2900
    case TARGET_NR_setpriority:
2901
        ret = get_errno(setpriority(arg1, arg2, arg3));
2902
        break;
2903
#ifdef TARGET_NR_profil
2904
    case TARGET_NR_profil:
2905
        goto unimplemented;
2906
#endif
2907
    case TARGET_NR_statfs:
2908
        p = lock_user_string(arg1);
2909
        ret = get_errno(statfs(path(p), &stfs));
2910
        unlock_user(p, arg1, 0);
2911
    convert_statfs:
2912
        if (!is_error(ret)) {
2913
            struct target_statfs *target_stfs;
2914
            
2915
            lock_user_struct(target_stfs, arg2, 0);
2916
            /* ??? put_user is probably wrong.  */
2917
            put_user(stfs.f_type, &target_stfs->f_type);
2918
            put_user(stfs.f_bsize, &target_stfs->f_bsize);
2919
            put_user(stfs.f_blocks, &target_stfs->f_blocks);
2920
            put_user(stfs.f_bfree, &target_stfs->f_bfree);
2921
            put_user(stfs.f_bavail, &target_stfs->f_bavail);
2922
            put_user(stfs.f_files, &target_stfs->f_files);
2923
            put_user(stfs.f_ffree, &target_stfs->f_ffree);
2924
            put_user(stfs.f_fsid.__val[0], &target_stfs->f_fsid);
2925
            put_user(stfs.f_namelen, &target_stfs->f_namelen);
2926
            unlock_user_struct(target_stfs, arg2, 1);
2927
        }
2928
        break;
2929
    case TARGET_NR_fstatfs:
2930
        ret = get_errno(fstatfs(arg1, &stfs));
2931
        goto convert_statfs;
2932
#ifdef TARGET_NR_statfs64
2933
    case TARGET_NR_statfs64:
2934
        p = lock_user_string(arg1);
2935
        ret = get_errno(statfs(path(p), &stfs));
2936
        unlock_user(p, arg1, 0);
2937
    convert_statfs64:
2938
        if (!is_error(ret)) {
2939
            struct target_statfs64 *target_stfs;
2940
            
2941
            lock_user_struct(target_stfs, arg3, 0);
2942
            /* ??? put_user is probably wrong.  */
2943
            put_user(stfs.f_type, &target_stfs->f_type);
2944
            put_user(stfs.f_bsize, &target_stfs->f_bsize);
2945
            put_user(stfs.f_blocks, &target_stfs->f_blocks);
2946
            put_user(stfs.f_bfree, &target_stfs->f_bfree);
2947
            put_user(stfs.f_bavail, &target_stfs->f_bavail);
2948
            put_user(stfs.f_files, &target_stfs->f_files);
2949
            put_user(stfs.f_ffree, &target_stfs->f_ffree);
2950
            put_user(stfs.f_fsid.__val[0], &target_stfs->f_fsid);
2951
            put_user(stfs.f_namelen, &target_stfs->f_namelen);
2952
            unlock_user_struct(target_stfs, arg3, 0);
2953
        }
2954
        break;
2955
    case TARGET_NR_fstatfs64:
2956
        ret = get_errno(fstatfs(arg1, &stfs));
2957
        goto convert_statfs64;
2958
#endif
2959
#ifdef TARGET_NR_ioperm
2960
    case TARGET_NR_ioperm:
2961
        goto unimplemented;
2962
#endif
2963
#ifdef TARGET_NR_socketcall
2964
    case TARGET_NR_socketcall:
2965
        ret = do_socketcall(arg1, arg2);
2966
        break;
2967
#endif
2968
#ifdef TARGET_NR_accept
2969
    case TARGET_NR_accept:
2970
        ret = do_accept(arg1, arg2, arg3);
2971
        break;
2972
#endif
2973
#ifdef TARGET_NR_bind
2974
    case TARGET_NR_bind:
2975
        ret = do_bind(arg1, arg2, arg3);
2976
        break;
2977
#endif
2978
#ifdef TARGET_NR_connect
2979
    case TARGET_NR_connect:
2980
        ret = do_connect(arg1, arg2, arg3);
2981
        break;
2982
#endif
2983
#ifdef TARGET_NR_getpeername
2984
    case TARGET_NR_getpeername:
2985
        ret = do_getpeername(arg1, arg2, arg3);
2986
        break;
2987
#endif
2988
#ifdef TARGET_NR_getsockname
2989
    case TARGET_NR_getsockname:
2990
        ret = do_getsockname(arg1, arg2, arg3);
2991
        break;
2992
#endif
2993
#ifdef TARGET_NR_getsockopt
2994
    case TARGET_NR_getsockopt:
2995
        ret = do_getsockopt(arg1, arg2, arg3, arg4, arg5);
2996
        break;
2997
#endif
2998
#ifdef TARGET_NR_listen
2999
    case TARGET_NR_listen:
3000
        ret = get_errno(listen(arg1, arg2));
3001
        break;
3002
#endif
3003
#ifdef TARGET_NR_recv
3004
    case TARGET_NR_recv:
3005
        ret = do_recvfrom(arg1, arg2, arg3, arg4, 0, 0);
3006
        break;
3007
#endif
3008
#ifdef TARGET_NR_recvfrom
3009
    case TARGET_NR_recvfrom:
3010
        ret = do_recvfrom(arg1, arg2, arg3, arg4, arg5, arg6);
3011
        break;
3012
#endif
3013
#ifdef TARGET_NR_recvmsg
3014
    case TARGET_NR_recvmsg:
3015
        ret = do_sendrecvmsg(arg1, arg2, arg3, 0);
3016
        break;
3017
#endif
3018
#ifdef TARGET_NR_send
3019
    case TARGET_NR_send:
3020
        ret = do_sendto(arg1, arg2, arg3, arg4, 0, 0);
3021
        break;
3022
#endif
3023
#ifdef TARGET_NR_sendmsg
3024
    case TARGET_NR_sendmsg:
3025
        ret = do_sendrecvmsg(arg1, arg2, arg3, 1);
3026
        break;
3027
#endif
3028
#ifdef TARGET_NR_sendto
3029
    case TARGET_NR_sendto:
3030
        ret = do_sendto(arg1, arg2, arg3, arg4, arg5, arg6);
3031
        break;
3032
#endif
3033
#ifdef TARGET_NR_shutdown
3034
    case TARGET_NR_shutdown:
3035
        ret = get_errno(shutdown(arg1, arg2));
3036
        break;
3037
#endif
3038
#ifdef TARGET_NR_socket
3039
    case TARGET_NR_socket:
3040
        ret = do_socket(arg1, arg2, arg3);
3041
        break;
3042
#endif
3043
#ifdef TARGET_NR_socketpair
3044
    case TARGET_NR_socketpair:
3045
        ret = do_socketpair(arg1, arg2, arg3, arg4);
3046
        break;
3047
#endif
3048
#ifdef TARGET_NR_setsockopt
3049
    case TARGET_NR_setsockopt:
3050
        ret = do_setsockopt(arg1, arg2, arg3, arg4, (socklen_t) arg5);
3051
        break;
3052
#endif
3053

    
3054
    case TARGET_NR_syslog:
3055
        p = lock_user_string(arg2);
3056
        ret = get_errno(sys_syslog((int)arg1, p, (int)arg3));
3057
        unlock_user(p, arg2, 0);
3058
        break;
3059

    
3060
    case TARGET_NR_setitimer:
3061
        {
3062
            struct itimerval value, ovalue, *pvalue;
3063

    
3064
            if (arg2) {
3065
                pvalue = &value;
3066
                target_to_host_timeval(&pvalue->it_interval, 
3067
                                       arg2);
3068
                target_to_host_timeval(&pvalue->it_value, 
3069
                                       arg2 + sizeof(struct target_timeval));
3070
            } else {
3071
                pvalue = NULL;
3072
            }
3073
            ret = get_errno(setitimer(arg1, pvalue, &ovalue));
3074
            if (!is_error(ret) && arg3) {
3075
                host_to_target_timeval(arg3,
3076
                                       &ovalue.it_interval);
3077
                host_to_target_timeval(arg3 + sizeof(struct target_timeval),
3078
                                       &ovalue.it_value);
3079
            }
3080
        }
3081
        break;
3082
    case TARGET_NR_getitimer:
3083
        {
3084
            struct itimerval value;
3085
            
3086
            ret = get_errno(getitimer(arg1, &value));
3087
            if (!is_error(ret) && arg2) {
3088
                host_to_target_timeval(arg2,
3089
                                       &value.it_interval);
3090
                host_to_target_timeval(arg2 + sizeof(struct target_timeval),
3091
                                       &value.it_value);
3092
            }
3093
        }
3094
        break;
3095
    case TARGET_NR_stat:
3096
        p = lock_user_string(arg1);
3097
        ret = get_errno(stat(path(p), &st));
3098
        unlock_user(p, arg1, 0);
3099
        goto do_stat;
3100
    case TARGET_NR_lstat:
3101
        p = lock_user_string(arg1);
3102
        ret = get_errno(lstat(path(p), &st));
3103
        unlock_user(p, arg1, 0);
3104
        goto do_stat;
3105
    case TARGET_NR_fstat:
3106
        {
3107
            ret = get_errno(fstat(arg1, &st));
3108
        do_stat:
3109
            if (!is_error(ret)) {
3110
                struct target_stat *target_st;
3111
                
3112
                lock_user_struct(target_st, arg2, 0);
3113
                target_st->st_dev = tswap16(st.st_dev);
3114
                target_st->st_ino = tswapl(st.st_ino);
3115
#if defined(TARGET_PPC) || defined(TARGET_MIPS)
3116
                target_st->st_mode = tswapl(st.st_mode); /* XXX: check this */
3117
                target_st->st_uid = tswap32(st.st_uid);
3118
                target_st->st_gid = tswap32(st.st_gid);
3119
#else
3120
                target_st->st_mode = tswap16(st.st_mode);
3121
                target_st->st_uid = tswap16(st.st_uid);
3122
                target_st->st_gid = tswap16(st.st_gid);
3123
#endif
3124
                target_st->st_nlink = tswap16(st.st_nlink);
3125
                target_st->st_rdev = tswap16(st.st_rdev);
3126
                target_st->st_size = tswapl(st.st_size);
3127
                target_st->st_blksize = tswapl(st.st_blksize);
3128
                target_st->st_blocks = tswapl(st.st_blocks);
3129
                target_st->target_st_atime = tswapl(st.st_atime);
3130
                target_st->target_st_mtime = tswapl(st.st_mtime);
3131
                target_st->target_st_ctime = tswapl(st.st_ctime);
3132
                unlock_user_struct(target_st, arg2, 1);
3133
            }
3134
        }
3135
        break;
3136
#ifdef TARGET_NR_olduname
3137
    case TARGET_NR_olduname:
3138
        goto unimplemented;
3139
#endif
3140
#ifdef TARGET_NR_iopl
3141
    case TARGET_NR_iopl:
3142
        goto unimplemented;
3143
#endif
3144
    case TARGET_NR_vhangup:
3145
        ret = get_errno(vhangup());
3146
        break;
3147
#ifdef TARGET_NR_idle
3148
    case TARGET_NR_idle:
3149
        goto unimplemented;
3150
#endif
3151
#ifdef TARGET_NR_syscall
3152
    case TARGET_NR_syscall:
3153
            ret = do_syscall(cpu_env,arg1 & 0xffff,arg2,arg3,arg4,arg5,arg6,0);
3154
            break;
3155
#endif
3156
    case TARGET_NR_wait4:
3157
        {
3158
            int status;
3159
            target_long status_ptr = arg2;
3160
            struct rusage rusage, *rusage_ptr;
3161
            target_ulong target_rusage = arg4;
3162
            if (target_rusage)
3163
                rusage_ptr = &rusage;
3164
            else
3165
                rusage_ptr = NULL;
3166
            ret = get_errno(wait4(arg1, &status, arg3, rusage_ptr));
3167
            if (!is_error(ret)) {
3168
                if (status_ptr)
3169
                    tputl(status_ptr, status);
3170
                if (target_rusage) {
3171
                    host_to_target_rusage(target_rusage, &rusage);
3172
                }
3173
            }
3174
        }
3175
        break;
3176
#ifdef TARGET_NR_swapoff
3177
    case TARGET_NR_swapoff:
3178
        p = lock_user_string(arg1);
3179
        ret = get_errno(swapoff(p));
3180
        unlock_user(p, arg1, 0);
3181
        break;
3182
#endif
3183
    case TARGET_NR_sysinfo:
3184
        {
3185
            struct target_sysinfo *target_value;
3186
            struct sysinfo value;
3187
            ret = get_errno(sysinfo(&value));
3188
            if (!is_error(ret) && arg1)
3189
            {
3190
                /* ??? __put_user is probably wrong.  */
3191
                lock_user_struct(target_value, arg1, 0);
3192
                __put_user(value.uptime, &target_value->uptime);
3193
                __put_user(value.loads[0], &target_value->loads[0]);
3194
                __put_user(value.loads[1], &target_value->loads[1]);
3195
                __put_user(value.loads[2], &target_value->loads[2]);
3196
                __put_user(value.totalram, &target_value->totalram);
3197
                __put_user(value.freeram, &target_value->freeram);
3198
                __put_user(value.sharedram, &target_value->sharedram);
3199
                __put_user(value.bufferram, &target_value->bufferram);
3200
                __put_user(value.totalswap, &target_value->totalswap);
3201
                __put_user(value.freeswap, &target_value->freeswap);
3202
                __put_user(value.procs, &target_value->procs);
3203
                __put_user(value.totalhigh, &target_value->totalhigh);
3204
                __put_user(value.freehigh, &target_value->freehigh);
3205
                __put_user(value.mem_unit, &target_value->mem_unit);
3206
                unlock_user_struct(target_value, arg1, 1);
3207
            }
3208
        }
3209
        break;
3210
#ifdef TARGET_NR_ipc
3211
    case TARGET_NR_ipc:
3212
        ret = do_ipc(arg1, arg2, arg3, arg4, arg5, arg6);
3213
        break;
3214
#endif
3215
    case TARGET_NR_fsync:
3216
        ret = get_errno(fsync(arg1));
3217
        break;
3218
    case TARGET_NR_clone:
3219
        ret = get_errno(do_fork(cpu_env, arg1, arg2));
3220
        break;
3221
#ifdef __NR_exit_group
3222
        /* new thread calls */
3223
    case TARGET_NR_exit_group:
3224
        gdb_exit(cpu_env, arg1);
3225
        ret = get_errno(exit_group(arg1));
3226
        break;
3227
#endif
3228
    case TARGET_NR_setdomainname:
3229
        p = lock_user_string(arg1);
3230
        ret = get_errno(setdomainname(p, arg2));
3231
        unlock_user(p, arg1, 0);
3232
        break;
3233
    case TARGET_NR_uname:
3234
        /* no need to transcode because we use the linux syscall */
3235
        {
3236
            struct new_utsname * buf;
3237
    
3238
            lock_user_struct(buf, arg1, 0);
3239
            ret = get_errno(sys_uname(buf));
3240
            if (!is_error(ret)) {
3241
                /* Overrite the native machine name with whatever is being
3242
                   emulated. */
3243
                strcpy (buf->machine, UNAME_MACHINE);
3244
                /* Allow the user to override the reported release.  */
3245
                if (qemu_uname_release && *qemu_uname_release)
3246
                  strcpy (buf->release, qemu_uname_release);
3247
            }
3248
            unlock_user_struct(buf, arg1, 1);
3249
        }
3250
        break;
3251
#ifdef TARGET_I386
3252
    case TARGET_NR_modify_ldt:
3253
        ret = get_errno(do_modify_ldt(cpu_env, arg1, arg2, arg3));
3254
        break;
3255
#if !defined(TARGET_X86_64)
3256
    case TARGET_NR_vm86old:
3257
        goto unimplemented;
3258
    case TARGET_NR_vm86:
3259
        ret = do_vm86(cpu_env, arg1, arg2);
3260
        break;
3261
#endif
3262
#endif
3263
    case TARGET_NR_adjtimex:
3264
        goto unimplemented;
3265
#ifdef TARGET_NR_create_module
3266
    case TARGET_NR_create_module:
3267
#endif
3268
    case TARGET_NR_init_module:
3269
    case TARGET_NR_delete_module:
3270
#ifdef TARGET_NR_get_kernel_syms
3271
    case TARGET_NR_get_kernel_syms:
3272
#endif
3273
        goto unimplemented;
3274
    case TARGET_NR_quotactl:
3275
        goto unimplemented;
3276
    case TARGET_NR_getpgid:
3277
        ret = get_errno(getpgid(arg1));
3278
        break;
3279
    case TARGET_NR_fchdir:
3280
        ret = get_errno(fchdir(arg1));
3281
        break;
3282
#ifdef TARGET_NR_bdflush /* not on x86_64 */
3283
    case TARGET_NR_bdflush:
3284
        goto unimplemented;
3285
#endif
3286
#ifdef TARGET_NR_sysfs
3287
    case TARGET_NR_sysfs:
3288
        goto unimplemented;
3289
#endif
3290
    case TARGET_NR_personality:
3291
        ret = get_errno(personality(arg1));
3292
        break;
3293
#ifdef TARGET_NR_afs_syscall
3294
    case TARGET_NR_afs_syscall:
3295
        goto unimplemented;
3296
#endif
3297
#ifdef TARGET_NR__llseek /* Not on alpha */
3298
    case TARGET_NR__llseek:
3299
        {
3300
#if defined (__x86_64__)
3301
            ret = get_errno(lseek(arg1, ((uint64_t )arg2 << 32) | arg3, arg5));
3302
            tput64(arg4, ret);
3303
#else
3304
            int64_t res;
3305
            ret = get_errno(_llseek(arg1, arg2, arg3, &res, arg5));
3306
            tput64(arg4, res);
3307
#endif
3308
        }
3309
        break;
3310
#endif
3311
    case TARGET_NR_getdents:
3312
#if TARGET_LONG_SIZE != 4
3313
        goto unimplemented;
3314
#warning not supported
3315
#elif TARGET_LONG_SIZE == 4 && HOST_LONG_SIZE == 8
3316
        {
3317
            struct target_dirent *target_dirp;
3318
            struct dirent *dirp;
3319
            long count = arg3;
3320

    
3321
            dirp = malloc(count);
3322
            if (!dirp)
3323
                return -ENOMEM;
3324
            
3325
            ret = get_errno(sys_getdents(arg1, dirp, count));
3326
            if (!is_error(ret)) {
3327
                struct dirent *de;
3328
                struct target_dirent *tde;
3329
                int len = ret;
3330
                int reclen, treclen;
3331
                int count1, tnamelen;
3332

    
3333
                count1 = 0;
3334
                de = dirp;
3335
                target_dirp = lock_user(arg2, count, 0);
3336
                tde = target_dirp;
3337
                while (len > 0) {
3338
                    reclen = de->d_reclen;
3339
                    treclen = reclen - (2 * (sizeof(long) - sizeof(target_long)));
3340
                    tde->d_reclen = tswap16(treclen);
3341
                    tde->d_ino = tswapl(de->d_ino);
3342
                    tde->d_off = tswapl(de->d_off);
3343
                    tnamelen = treclen - (2 * sizeof(target_long) + 2);
3344
                    if (tnamelen > 256)
3345
                        tnamelen = 256;
3346
                    /* XXX: may not be correct */
3347
                    strncpy(tde->d_name, de->d_name, tnamelen);
3348
                    de = (struct dirent *)((char *)de + reclen);
3349
                    len -= reclen;
3350
                    tde = (struct target_dirent *)((char *)tde + treclen);
3351
                    count1 += treclen;
3352
                }
3353
                ret = count1;
3354
            }
3355
            unlock_user(target_dirp, arg2, ret);
3356
            free(dirp);
3357
        }
3358
#else
3359
        {
3360
            struct dirent *dirp;
3361
            long count = arg3;
3362

    
3363
            dirp = lock_user(arg2, count, 0);
3364
            ret = get_errno(sys_getdents(arg1, dirp, count));
3365
            if (!is_error(ret)) {
3366
                struct dirent *de;
3367
                int len = ret;
3368
                int reclen;
3369
                de = dirp;
3370
                while (len > 0) {
3371
                    reclen = de->d_reclen;
3372
                    if (reclen > len)
3373
                        break;
3374
                    de->d_reclen = tswap16(reclen);
3375
                    tswapls(&de->d_ino);
3376
                    tswapls(&de->d_off);
3377
                    de = (struct dirent *)((char *)de + reclen);
3378
                    len -= reclen;
3379
                }
3380
            }
3381
            unlock_user(dirp, arg2, ret);
3382
        }
3383
#endif
3384
        break;
3385
#ifdef TARGET_NR_getdents64
3386
    case TARGET_NR_getdents64:
3387
        {
3388
            struct dirent64 *dirp;
3389
            long count = arg3;
3390
            dirp = lock_user(arg2, count, 0);
3391
            ret = get_errno(sys_getdents64(arg1, dirp, count));
3392
            if (!is_error(ret)) {
3393
                struct dirent64 *de;
3394
                int len = ret;
3395
                int reclen;
3396
                de = dirp;
3397
                while (len > 0) {
3398
                    reclen = de->d_reclen;
3399
                    if (reclen > len)
3400
                        break;
3401
                    de->d_reclen = tswap16(reclen);
3402
                    tswap64s(&de->d_ino);
3403
                    tswap64s(&de->d_off);
3404
                    de = (struct dirent64 *)((char *)de + reclen);
3405
                    len -= reclen;
3406
                }
3407
            }
3408
            unlock_user(dirp, arg2, ret);
3409
        }
3410
        break;
3411
#endif /* TARGET_NR_getdents64 */
3412
#ifdef TARGET_NR__newselect
3413
    case TARGET_NR__newselect:
3414
        ret = do_select(arg1, arg2, arg3, arg4, arg5);
3415
        break;
3416
#endif
3417
#ifdef TARGET_NR_poll
3418
    case TARGET_NR_poll:
3419
        {
3420
            struct target_pollfd *target_pfd;
3421
            unsigned int nfds = arg2;
3422
            int timeout = arg3;
3423
            struct pollfd *pfd;
3424
            unsigned int i;
3425

    
3426
            target_pfd = lock_user(arg1, sizeof(struct target_pollfd) * nfds, 1);
3427
            pfd = alloca(sizeof(struct pollfd) * nfds);
3428
            for(i = 0; i < nfds; i++) {
3429
                pfd[i].fd = tswap32(target_pfd[i].fd);
3430
                pfd[i].events = tswap16(target_pfd[i].events);
3431
            }
3432
            ret = get_errno(poll(pfd, nfds, timeout));
3433
            if (!is_error(ret)) {
3434
                for(i = 0; i < nfds; i++) {
3435
                    target_pfd[i].revents = tswap16(pfd[i].revents);
3436
                }
3437
                ret += nfds * (sizeof(struct target_pollfd)
3438
                               - sizeof(struct pollfd));
3439
            }
3440
            unlock_user(target_pfd, arg1, ret);
3441
        }
3442
        break;
3443
#endif
3444
    case TARGET_NR_flock:
3445
        /* NOTE: the flock constant seems to be the same for every
3446
           Linux platform */
3447
        ret = get_errno(flock(arg1, arg2));
3448
        break;
3449
    case TARGET_NR_readv:
3450
        {
3451
            int count = arg3;
3452
            struct iovec *vec;
3453

    
3454
            vec = alloca(count * sizeof(struct iovec));
3455
            lock_iovec(vec, arg2, count, 0);
3456
            ret = get_errno(readv(arg1, vec, count));
3457
            unlock_iovec(vec, arg2, count, 1);
3458
        }
3459
        break;
3460
    case TARGET_NR_writev:
3461
        {
3462
            int count = arg3;
3463
            struct iovec *vec;
3464

    
3465
            vec = alloca(count * sizeof(struct iovec));
3466
            lock_iovec(vec, arg2, count, 1);
3467
            ret = get_errno(writev(arg1, vec, count));
3468
            unlock_iovec(vec, arg2, count, 0);
3469
        }
3470
        break;
3471
    case TARGET_NR_getsid:
3472
        ret = get_errno(getsid(arg1));
3473
        break;
3474
#if defined(TARGET_NR_fdatasync) /* Not on alpha (osf_datasync ?) */
3475
    case TARGET_NR_fdatasync:
3476
        ret = get_errno(fdatasync(arg1));
3477
        break;
3478
#endif
3479
    case TARGET_NR__sysctl:
3480
        /* We don't implement this, but ENODIR is always a safe
3481
           return value. */
3482
        return -ENOTDIR;
3483
    case TARGET_NR_sched_setparam:
3484
        {
3485
            struct sched_param *target_schp;
3486
            struct sched_param schp;
3487

    
3488
            lock_user_struct(target_schp, arg2, 1);
3489
            schp.sched_priority = tswap32(target_schp->sched_priority);
3490
            unlock_user_struct(target_schp, arg2, 0);
3491
            ret = get_errno(sched_setparam(arg1, &schp));
3492
        }
3493
        break;
3494
    case TARGET_NR_sched_getparam:
3495
        {
3496
            struct sched_param *target_schp;
3497
            struct sched_param schp;
3498
            ret = get_errno(sched_getparam(arg1, &schp));
3499
            if (!is_error(ret)) {
3500
                lock_user_struct(target_schp, arg2, 0);
3501
                target_schp->sched_priority = tswap32(schp.sched_priority);
3502
                unlock_user_struct(target_schp, arg2, 1);
3503
            }
3504
        }
3505
        break;
3506
    case TARGET_NR_sched_setscheduler:
3507
        {
3508
            struct sched_param *target_schp;
3509
            struct sched_param schp;
3510
            lock_user_struct(target_schp, arg3, 1);
3511
            schp.sched_priority = tswap32(target_schp->sched_priority);
3512
            unlock_user_struct(target_schp, arg3, 0);
3513
            ret = get_errno(sched_setscheduler(arg1, arg2, &schp));
3514
        }
3515
        break;
3516
    case TARGET_NR_sched_getscheduler:
3517
        ret = get_errno(sched_getscheduler(arg1));
3518
        break;
3519
    case TARGET_NR_sched_yield:
3520
        ret = get_errno(sched_yield());
3521
        break;
3522
    case TARGET_NR_sched_get_priority_max:
3523
        ret = get_errno(sched_get_priority_max(arg1));
3524
        break;
3525
    case TARGET_NR_sched_get_priority_min:
3526
        ret = get_errno(sched_get_priority_min(arg1));
3527
        break;
3528
    case TARGET_NR_sched_rr_get_interval:
3529
        {
3530
            struct timespec ts;
3531
            ret = get_errno(sched_rr_get_interval(arg1, &ts));
3532
            if (!is_error(ret)) {
3533
                host_to_target_timespec(arg2, &ts);
3534
            }
3535
        }
3536
        break;
3537
    case TARGET_NR_nanosleep:
3538
        {
3539
            struct timespec req, rem;
3540
            target_to_host_timespec(&req, arg1);
3541
            ret = get_errno(nanosleep(&req, &rem));
3542
            if (is_error(ret) && arg2) {
3543
                host_to_target_timespec(arg2, &rem);
3544
            }
3545
        }
3546
        break;
3547
#ifdef TARGET_NR_query_module
3548
    case TARGET_NR_query_module:
3549
        goto unimplemented;
3550
#endif
3551
#ifdef TARGET_NR_nfsservctl
3552
    case TARGET_NR_nfsservctl:
3553
        goto unimplemented;
3554
#endif
3555
    case TARGET_NR_prctl:
3556
        switch (arg1)
3557
            {
3558
            case PR_GET_PDEATHSIG:
3559
                {
3560
                    int deathsig;
3561
                    ret = get_errno(prctl(arg1, &deathsig, arg3, arg4, arg5));
3562
                    if (!is_error(ret) && arg2)
3563
                        tput32(arg2, deathsig);
3564
                }
3565
                break;
3566
            default:
3567
                ret = get_errno(prctl(arg1, arg2, arg3, arg4, arg5));
3568
                break;
3569
            }
3570
        break;
3571
#ifdef TARGET_NR_pread
3572
    case TARGET_NR_pread:
3573
        page_unprotect_range(arg2, arg3);
3574
        p = lock_user(arg2, arg3, 0);
3575
        ret = get_errno(pread(arg1, p, arg3, arg4));
3576
        unlock_user(p, arg2, ret);
3577
        break;
3578
    case TARGET_NR_pwrite:
3579
        p = lock_user(arg2, arg3, 1);
3580
        ret = get_errno(pwrite(arg1, p, arg3, arg4));
3581
        unlock_user(p, arg2, 0);
3582
        break;
3583
#endif
3584
    case TARGET_NR_getcwd:
3585
        p = lock_user(arg1, arg2, 0);
3586
        ret = get_errno(sys_getcwd1(p, arg2));
3587
        unlock_user(p, arg1, ret);
3588
        break;
3589
    case TARGET_NR_capget:
3590
        goto unimplemented;
3591
    case TARGET_NR_capset:
3592
        goto unimplemented;
3593
    case TARGET_NR_sigaltstack:
3594
        goto unimplemented;
3595
    case TARGET_NR_sendfile:
3596
        goto unimplemented;
3597
#ifdef TARGET_NR_getpmsg
3598
    case TARGET_NR_getpmsg:
3599
        goto unimplemented;
3600
#endif
3601
#ifdef TARGET_NR_putpmsg
3602
    case TARGET_NR_putpmsg:
3603
        goto unimplemented;
3604
#endif
3605
#ifdef TARGET_NR_vfork
3606
    case TARGET_NR_vfork:
3607
        ret = get_errno(do_fork(cpu_env, CLONE_VFORK | CLONE_VM | SIGCHLD, 0));
3608
        break;
3609
#endif
3610
#ifdef TARGET_NR_ugetrlimit
3611
    case TARGET_NR_ugetrlimit:
3612
    {
3613
        struct rlimit rlim;
3614
        ret = get_errno(getrlimit(arg1, &rlim));
3615
        if (!is_error(ret)) {
3616
            struct target_rlimit *target_rlim;
3617
            lock_user_struct(target_rlim, arg2, 0);
3618
            target_rlim->rlim_cur = tswapl(rlim.rlim_cur);
3619
            target_rlim->rlim_max = tswapl(rlim.rlim_max);
3620
            unlock_user_struct(target_rlim, arg2, 1);
3621
        }
3622
        break;
3623
    }
3624
#endif
3625
#ifdef TARGET_NR_truncate64
3626
    case TARGET_NR_truncate64:
3627
        p = lock_user_string(arg1);
3628
        ret = target_truncate64(cpu_env, p, arg2, arg3, arg4);
3629
        unlock_user(p, arg1, 0);
3630
        break;
3631
#endif
3632
#ifdef TARGET_NR_ftruncate64
3633
    case TARGET_NR_ftruncate64:
3634
        ret = target_ftruncate64(cpu_env, arg1, arg2, arg3, arg4);
3635
        break;
3636
#endif
3637
#ifdef TARGET_NR_stat64
3638
    case TARGET_NR_stat64:
3639
        p = lock_user_string(arg1);
3640
        ret = get_errno(stat(path(p), &st));
3641
        unlock_user(p, arg1, 0);
3642
        goto do_stat64;
3643
#endif
3644
#ifdef TARGET_NR_lstat64
3645
    case TARGET_NR_lstat64:
3646
        p = lock_user_string(arg1);
3647
        ret = get_errno(lstat(path(p), &st));
3648
        unlock_user(p, arg1, 0);
3649
        goto do_stat64;
3650
#endif
3651
#ifdef TARGET_NR_fstat64
3652
    case TARGET_NR_fstat64:
3653
        {
3654
            ret = get_errno(fstat(arg1, &st));
3655
        do_stat64:
3656
            if (!is_error(ret)) {
3657
#ifdef TARGET_ARM
3658
                if (((CPUARMState *)cpu_env)->eabi) {
3659
                    struct target_eabi_stat64 *target_st;
3660
                    lock_user_struct(target_st, arg2, 1);
3661
                    memset(target_st, 0, sizeof(struct target_eabi_stat64));
3662
                    /* put_user is probably wrong.  */
3663
                    put_user(st.st_dev, &target_st->st_dev);
3664
                    put_user(st.st_ino, &target_st->st_ino);
3665
#ifdef TARGET_STAT64_HAS_BROKEN_ST_INO
3666
                    put_user(st.st_ino, &target_st->__st_ino);
3667
#endif
3668
                    put_user(st.st_mode, &target_st->st_mode);
3669
                    put_user(st.st_nlink, &target_st->st_nlink);
3670
                    put_user(st.st_uid, &target_st->st_uid);
3671
                    put_user(st.st_gid, &target_st->st_gid);
3672
                    put_user(st.st_rdev, &target_st->st_rdev);
3673
                    /* XXX: better use of kernel struct */
3674
                    put_user(st.st_size, &target_st->st_size);
3675
                    put_user(st.st_blksize, &target_st->st_blksize);
3676
                    put_user(st.st_blocks, &target_st->st_blocks);
3677
                    put_user(st.st_atime, &target_st->target_st_atime);
3678
                    put_user(st.st_mtime, &target_st->target_st_mtime);
3679
                    put_user(st.st_ctime, &target_st->target_st_ctime);
3680
                    unlock_user_struct(target_st, arg2, 0);
3681
                } else
3682
#endif
3683
                {
3684
                    struct target_stat64 *target_st;
3685
                    lock_user_struct(target_st, arg2, 1);
3686
                    memset(target_st, 0, sizeof(struct target_stat64));
3687
                    /* ??? put_user is probably wrong.  */
3688
                    put_user(st.st_dev, &target_st->st_dev);
3689
                    put_user(st.st_ino, &target_st->st_ino);
3690
#ifdef TARGET_STAT64_HAS_BROKEN_ST_INO
3691
                    put_user(st.st_ino, &target_st->__st_ino);
3692
#endif
3693
                    put_user(st.st_mode, &target_st->st_mode);
3694
                    put_user(st.st_nlink, &target_st->st_nlink);
3695
                    put_user(st.st_uid, &target_st->st_uid);
3696
                    put_user(st.st_gid, &target_st->st_gid);
3697
                    put_user(st.st_rdev, &target_st->st_rdev);
3698
                    /* XXX: better use of kernel struct */
3699
                    put_user(st.st_size, &target_st->st_size);
3700
                    put_user(st.st_blksize, &target_st->st_blksize);
3701
                    put_user(st.st_blocks, &target_st->st_blocks);
3702
                    put_user(st.st_atime, &target_st->target_st_atime);
3703
                    put_user(st.st_mtime, &target_st->target_st_mtime);
3704
                    put_user(st.st_ctime, &target_st->target_st_ctime);
3705
                    unlock_user_struct(target_st, arg2, 0);
3706
                }
3707
            }
3708
        }
3709
        break;
3710
#endif
3711
#ifdef USE_UID16
3712
    case TARGET_NR_lchown:
3713
        p = lock_user_string(arg1);
3714
        ret = get_errno(lchown(p, low2highuid(arg2), low2highgid(arg3)));
3715
        unlock_user(p, arg1, 0);
3716
        break;
3717
    case TARGET_NR_getuid:
3718
        ret = get_errno(high2lowuid(getuid()));
3719
        break;
3720
    case TARGET_NR_getgid:
3721
        ret = get_errno(high2lowgid(getgid()));
3722
        break;
3723
    case TARGET_NR_geteuid:
3724
        ret = get_errno(high2lowuid(geteuid()));
3725
        break;
3726
    case TARGET_NR_getegid:
3727
        ret = get_errno(high2lowgid(getegid()));
3728
        break;
3729
    case TARGET_NR_setreuid:
3730
        ret = get_errno(setreuid(low2highuid(arg1), low2highuid(arg2)));
3731
        break;
3732
    case TARGET_NR_setregid:
3733
        ret = get_errno(setregid(low2highgid(arg1), low2highgid(arg2)));
3734
        break;
3735
    case TARGET_NR_getgroups:
3736
        {
3737
            int gidsetsize = arg1;
3738
            uint16_t *target_grouplist;
3739
            gid_t *grouplist;
3740
            int i;
3741

    
3742
            grouplist = alloca(gidsetsize * sizeof(gid_t));
3743
            ret = get_errno(getgroups(gidsetsize, grouplist));
3744
            if (!is_error(ret)) {
3745
                target_grouplist = lock_user(arg2, gidsetsize * 2, 0);
3746
                for(i = 0;i < gidsetsize; i++)
3747
                    target_grouplist[i] = tswap16(grouplist[i]);
3748
                unlock_user(target_grouplist, arg2, gidsetsize * 2);
3749
            }
3750
        }
3751
        break;
3752
    case TARGET_NR_setgroups:
3753
        {
3754
            int gidsetsize = arg1;
3755
            uint16_t *target_grouplist;
3756
            gid_t *grouplist;
3757
            int i;
3758

    
3759
            grouplist = alloca(gidsetsize * sizeof(gid_t));
3760
            target_grouplist = lock_user(arg2, gidsetsize * 2, 1);
3761
            for(i = 0;i < gidsetsize; i++)
3762
                grouplist[i] = tswap16(target_grouplist[i]);
3763
            unlock_user(target_grouplist, arg2, 0);
3764
            ret = get_errno(setgroups(gidsetsize, grouplist));
3765
        }
3766
        break;
3767
    case TARGET_NR_fchown:
3768
        ret = get_errno(fchown(arg1, low2highuid(arg2), low2highgid(arg3)));
3769
        break;
3770
#ifdef TARGET_NR_setresuid
3771
    case TARGET_NR_setresuid:
3772
        ret = get_errno(setresuid(low2highuid(arg1), 
3773
                                  low2highuid(arg2), 
3774
                                  low2highuid(arg3)));
3775
        break;
3776
#endif
3777
#ifdef TARGET_NR_getresuid
3778
    case TARGET_NR_getresuid:
3779
        {
3780
            uid_t ruid, euid, suid;
3781
            ret = get_errno(getresuid(&ruid, &euid, &suid));
3782
            if (!is_error(ret)) {
3783
                tput16(arg1, tswap16(high2lowuid(ruid)));
3784
                tput16(arg2, tswap16(high2lowuid(euid)));
3785
                tput16(arg3, tswap16(high2lowuid(suid)));
3786
            }
3787
        }
3788
        break;
3789
#endif
3790
#ifdef TARGET_NR_getresgid
3791
    case TARGET_NR_setresgid:
3792
        ret = get_errno(setresgid(low2highgid(arg1), 
3793
                                  low2highgid(arg2), 
3794
                                  low2highgid(arg3)));
3795
        break;
3796
#endif
3797
#ifdef TARGET_NR_getresgid
3798
    case TARGET_NR_getresgid:
3799
        {
3800
            gid_t rgid, egid, sgid;
3801
            ret = get_errno(getresgid(&rgid, &egid, &sgid));
3802
            if (!is_error(ret)) {
3803
                tput16(arg1, tswap16(high2lowgid(rgid)));
3804
                tput16(arg2, tswap16(high2lowgid(egid)));
3805
                tput16(arg3, tswap16(high2lowgid(sgid)));
3806
            }
3807
        }
3808
        break;
3809
#endif
3810
    case TARGET_NR_chown:
3811
        p = lock_user_string(arg1);
3812
        ret = get_errno(chown(p, low2highuid(arg2), low2highgid(arg3)));
3813
        unlock_user(p, arg1, 0);
3814
        break;
3815
    case TARGET_NR_setuid:
3816
        ret = get_errno(setuid(low2highuid(arg1)));
3817
        break;
3818
    case TARGET_NR_setgid:
3819
        ret = get_errno(setgid(low2highgid(arg1)));
3820
        break;
3821
    case TARGET_NR_setfsuid:
3822
        ret = get_errno(setfsuid(arg1));
3823
        break;
3824
    case TARGET_NR_setfsgid:
3825
        ret = get_errno(setfsgid(arg1));
3826
        break;
3827
#endif /* USE_UID16 */
3828

    
3829
#ifdef TARGET_NR_lchown32
3830
    case TARGET_NR_lchown32:
3831
        p = lock_user_string(arg1);
3832
        ret = get_errno(lchown(p, arg2, arg3));
3833
        unlock_user(p, arg1, 0);
3834
        break;
3835
#endif
3836
#ifdef TARGET_NR_getuid32
3837
    case TARGET_NR_getuid32:
3838
        ret = get_errno(getuid());
3839
        break;
3840
#endif
3841
#ifdef TARGET_NR_getgid32
3842
    case TARGET_NR_getgid32:
3843
        ret = get_errno(getgid());
3844
        break;
3845
#endif
3846
#ifdef TARGET_NR_geteuid32
3847
    case TARGET_NR_geteuid32:
3848
        ret = get_errno(geteuid());
3849
        break;
3850
#endif
3851
#ifdef TARGET_NR_getegid32
3852
    case TARGET_NR_getegid32:
3853
        ret = get_errno(getegid());
3854
        break;
3855
#endif
3856
#ifdef TARGET_NR_setreuid32
3857
    case TARGET_NR_setreuid32:
3858
        ret = get_errno(setreuid(arg1, arg2));
3859
        break;
3860
#endif
3861
#ifdef TARGET_NR_setregid32
3862
    case TARGET_NR_setregid32:
3863
        ret = get_errno(setregid(arg1, arg2));
3864
        break;
3865
#endif
3866
#ifdef TARGET_NR_getgroups32
3867
    case TARGET_NR_getgroups32:
3868
        {
3869
            int gidsetsize = arg1;
3870
            uint32_t *target_grouplist;
3871
            gid_t *grouplist;
3872
            int i;
3873

    
3874
            grouplist = alloca(gidsetsize * sizeof(gid_t));
3875
            ret = get_errno(getgroups(gidsetsize, grouplist));
3876
            if (!is_error(ret)) {
3877
                target_grouplist = lock_user(arg2, gidsetsize * 4, 0);
3878
                for(i = 0;i < gidsetsize; i++)
3879
                    target_grouplist[i] = tswap32(grouplist[i]);
3880
                unlock_user(target_grouplist, arg2, gidsetsize * 4);
3881
            }
3882
        }
3883
        break;
3884
#endif
3885
#ifdef TARGET_NR_setgroups32
3886
    case TARGET_NR_setgroups32:
3887
        {
3888
            int gidsetsize = arg1;
3889
            uint32_t *target_grouplist;
3890
            gid_t *grouplist;
3891
            int i;
3892
            
3893
            grouplist = alloca(gidsetsize * sizeof(gid_t));
3894
            target_grouplist = lock_user(arg2, gidsetsize * 4, 1);
3895
            for(i = 0;i < gidsetsize; i++)
3896
                grouplist[i] = tswap32(target_grouplist[i]);
3897
            unlock_user(target_grouplist, arg2, 0);
3898
            ret = get_errno(setgroups(gidsetsize, grouplist));
3899
        }
3900
        break;
3901
#endif
3902
#ifdef TARGET_NR_fchown32
3903
    case TARGET_NR_fchown32:
3904
        ret = get_errno(fchown(arg1, arg2, arg3));
3905
        break;
3906
#endif
3907
#ifdef TARGET_NR_setresuid32
3908
    case TARGET_NR_setresuid32:
3909
        ret = get_errno(setresuid(arg1, arg2, arg3));
3910
        break;
3911
#endif
3912
#ifdef TARGET_NR_getresuid32
3913
    case TARGET_NR_getresuid32:
3914
        {
3915
            uid_t ruid, euid, suid;
3916
            ret = get_errno(getresuid(&ruid, &euid, &suid));
3917
            if (!is_error(ret)) {
3918
                tput32(arg1, tswap32(ruid));
3919
                tput32(arg2, tswap32(euid));
3920
                tput32(arg3, tswap32(suid));
3921
            }
3922
        }
3923
        break;
3924
#endif
3925
#ifdef TARGET_NR_setresgid32
3926
    case TARGET_NR_setresgid32:
3927
        ret = get_errno(setresgid(arg1, arg2, arg3));
3928
        break;
3929
#endif
3930
#ifdef TARGET_NR_getresgid32
3931
    case TARGET_NR_getresgid32:
3932
        {
3933
            gid_t rgid, egid, sgid;
3934
            ret = get_errno(getresgid(&rgid, &egid, &sgid));
3935
            if (!is_error(ret)) {
3936
                tput32(arg1, tswap32(rgid));
3937
                tput32(arg2, tswap32(egid));
3938
                tput32(arg3, tswap32(sgid));
3939
            }
3940
        }
3941
        break;
3942
#endif
3943
#ifdef TARGET_NR_chown32
3944
    case TARGET_NR_chown32:
3945
        p = lock_user_string(arg1);
3946
        ret = get_errno(chown(p, arg2, arg3));
3947
        unlock_user(p, arg1, 0);
3948
        break;
3949
#endif
3950
#ifdef TARGET_NR_setuid32
3951
    case TARGET_NR_setuid32:
3952
        ret = get_errno(setuid(arg1));
3953
        break;
3954
#endif
3955
#ifdef TARGET_NR_setgid32
3956
    case TARGET_NR_setgid32:
3957
        ret = get_errno(setgid(arg1));
3958
        break;
3959
#endif
3960
#ifdef TARGET_NR_setfsuid32
3961
    case TARGET_NR_setfsuid32:
3962
        ret = get_errno(setfsuid(arg1));
3963
        break;
3964
#endif
3965
#ifdef TARGET_NR_setfsgid32
3966
    case TARGET_NR_setfsgid32:
3967
        ret = get_errno(setfsgid(arg1));
3968
        break;
3969
#endif
3970

    
3971
    case TARGET_NR_pivot_root:
3972
        goto unimplemented;
3973
#ifdef TARGET_NR_mincore
3974
    case TARGET_NR_mincore:
3975
        goto unimplemented;
3976
#endif
3977
#ifdef TARGET_NR_madvise
3978
    case TARGET_NR_madvise:
3979
        /* A straight passthrough may not be safe because qemu sometimes
3980
           turns private flie-backed mappings into anonymous mappings.
3981
           This will break MADV_DONTNEED.
3982
           This is a hint, so ignoring and returning success is ok.  */
3983
        ret = get_errno(0);
3984
        break;
3985
#endif
3986
#if TARGET_LONG_BITS == 32
3987
    case TARGET_NR_fcntl64:
3988
    {
3989
        int cmd;
3990
        struct flock64 fl;
3991
        struct target_flock64 *target_fl;
3992
#ifdef TARGET_ARM
3993
        struct target_eabi_flock64 *target_efl;
3994
#endif
3995

    
3996
        switch(arg2){
3997
        case TARGET_F_GETLK64:
3998
            cmd = F_GETLK64;
3999
            break;
4000
        case TARGET_F_SETLK64:
4001
            cmd = F_SETLK64;
4002
            break;
4003
        case TARGET_F_SETLKW64:
4004
            cmd = F_SETLK64;
4005
            break;
4006
        default:
4007
            cmd = arg2;
4008
            break;
4009
        }
4010

    
4011
        switch(arg2) {
4012
        case TARGET_F_GETLK64:
4013
#ifdef TARGET_ARM
4014
            if (((CPUARMState *)cpu_env)->eabi) {
4015
                lock_user_struct(target_efl, arg3, 1);
4016
                fl.l_type = tswap16(target_efl->l_type);
4017
                fl.l_whence = tswap16(target_efl->l_whence);
4018
                fl.l_start = tswap64(target_efl->l_start);
4019
                fl.l_len = tswap64(target_efl->l_len);
4020
                fl.l_pid = tswapl(target_efl->l_pid);
4021
                unlock_user_struct(target_efl, arg3, 0);
4022
            } else
4023
#endif
4024
            {
4025
                lock_user_struct(target_fl, arg3, 1);
4026
                fl.l_type = tswap16(target_fl->l_type);
4027
                fl.l_whence = tswap16(target_fl->l_whence);
4028
                fl.l_start = tswap64(target_fl->l_start);
4029
                fl.l_len = tswap64(target_fl->l_len);
4030
                fl.l_pid = tswapl(target_fl->l_pid);
4031
                unlock_user_struct(target_fl, arg3, 0);
4032
            }
4033
            ret = get_errno(fcntl(arg1, cmd, &fl));
4034
            if (ret == 0) {
4035
#ifdef TARGET_ARM
4036
                if (((CPUARMState *)cpu_env)->eabi) {
4037
                    lock_user_struct(target_efl, arg3, 0);
4038
                    target_efl->l_type = tswap16(fl.l_type);
4039
                    target_efl->l_whence = tswap16(fl.l_whence);
4040
                    target_efl->l_start = tswap64(fl.l_start);
4041
                    target_efl->l_len = tswap64(fl.l_len);
4042
                    target_efl->l_pid = tswapl(fl.l_pid);
4043
                    unlock_user_struct(target_efl, arg3, 1);
4044
                } else
4045
#endif
4046
                {
4047
                    lock_user_struct(target_fl, arg3, 0);
4048
                    target_fl->l_type = tswap16(fl.l_type);
4049
                    target_fl->l_whence = tswap16(fl.l_whence);
4050
                    target_fl->l_start = tswap64(fl.l_start);
4051
                    target_fl->l_len = tswap64(fl.l_len);
4052
                    target_fl->l_pid = tswapl(fl.l_pid);
4053
                    unlock_user_struct(target_fl, arg3, 1);
4054
                }
4055
            }
4056
            break;
4057

    
4058
        case TARGET_F_SETLK64:
4059
        case TARGET_F_SETLKW64:
4060
#ifdef TARGET_ARM
4061
            if (((CPUARMState *)cpu_env)->eabi) {
4062
                lock_user_struct(target_efl, arg3, 1);
4063
                fl.l_type = tswap16(target_efl->l_type);
4064
                fl.l_whence = tswap16(target_efl->l_whence);
4065
                fl.l_start = tswap64(target_efl->l_start);
4066
                fl.l_len = tswap64(target_efl->l_len);
4067
                fl.l_pid = tswapl(target_efl->l_pid);
4068
                unlock_user_struct(target_efl, arg3, 0);
4069
            } else
4070
#endif
4071
            {
4072
                lock_user_struct(target_fl, arg3, 1);
4073
                fl.l_type = tswap16(target_fl->l_type);
4074
                fl.l_whence = tswap16(target_fl->l_whence);
4075
                fl.l_start = tswap64(target_fl->l_start);
4076
                fl.l_len = tswap64(target_fl->l_len);
4077
                fl.l_pid = tswapl(target_fl->l_pid);
4078
                unlock_user_struct(target_fl, arg3, 0);
4079
            }
4080
            ret = get_errno(fcntl(arg1, cmd, &fl));
4081
            break;
4082
        default:
4083
            ret = get_errno(do_fcntl(arg1, cmd, arg3));
4084
            break;
4085
        }
4086
        break;
4087
    }
4088
#endif
4089
#ifdef TARGET_NR_cacheflush
4090
    case TARGET_NR_cacheflush:
4091
        /* self-modifying code is handled automatically, so nothing needed */
4092
        ret = 0;
4093
        break;
4094
#endif
4095
#ifdef TARGET_NR_security
4096
    case TARGET_NR_security:
4097
        goto unimplemented;
4098
#endif
4099
#ifdef TARGET_NR_getpagesize
4100
    case TARGET_NR_getpagesize:
4101
        ret = TARGET_PAGE_SIZE;
4102
        break;
4103
#endif
4104
    case TARGET_NR_gettid:
4105
        ret = get_errno(gettid());
4106
        break;
4107
#ifdef TARGET_NR_readahead
4108
    case TARGET_NR_readahead:
4109
        goto unimplemented;
4110
#endif
4111
#ifdef TARGET_NR_setxattr
4112
    case TARGET_NR_setxattr:
4113
    case TARGET_NR_lsetxattr:
4114
    case TARGET_NR_fsetxattr:
4115
    case TARGET_NR_getxattr:
4116
    case TARGET_NR_lgetxattr:
4117
    case TARGET_NR_fgetxattr:
4118
    case TARGET_NR_listxattr:
4119
    case TARGET_NR_llistxattr:
4120
    case TARGET_NR_flistxattr:
4121
    case TARGET_NR_removexattr:
4122
    case TARGET_NR_lremovexattr:
4123
    case TARGET_NR_fremovexattr:
4124
        goto unimplemented_nowarn;
4125
#endif
4126
#ifdef TARGET_NR_set_thread_area
4127
    case TARGET_NR_set_thread_area:
4128
#ifdef TARGET_MIPS
4129
      ((CPUMIPSState *) cpu_env)->tls_value = arg1;
4130
      ret = 0;
4131
      break;
4132
#else
4133
      goto unimplemented_nowarn;
4134
#endif
4135
#endif
4136
#ifdef TARGET_NR_get_thread_area
4137
    case TARGET_NR_get_thread_area:
4138
        goto unimplemented_nowarn;
4139
#endif
4140
#ifdef TARGET_NR_getdomainname
4141
    case TARGET_NR_getdomainname:
4142
        goto unimplemented_nowarn;
4143
#endif
4144

    
4145
#ifdef TARGET_NR_clock_gettime
4146
    case TARGET_NR_clock_gettime:
4147
    {
4148
        struct timespec ts;
4149
        ret = get_errno(clock_gettime(arg1, &ts));
4150
        if (!is_error(ret)) {
4151
            host_to_target_timespec(arg2, &ts);
4152
        }
4153
        break;
4154
    }
4155
#endif
4156
#ifdef TARGET_NR_clock_getres
4157
    case TARGET_NR_clock_getres:
4158
    {
4159
        struct timespec ts;
4160
        ret = get_errno(clock_getres(arg1, &ts));
4161
        if (!is_error(ret)) {
4162
            host_to_target_timespec(arg2, &ts);
4163
        }
4164
        break;
4165
    }
4166
#endif
4167

    
4168
#if defined(TARGET_NR_set_tid_address) && defined(__NR_set_tid_address)
4169
    case TARGET_NR_set_tid_address:
4170
      ret = get_errno(set_tid_address((int *) arg1));
4171
      break;
4172
#endif
4173

    
4174
    default:
4175
    unimplemented:
4176
        gemu_log("qemu: Unsupported syscall: %d\n", num);
4177
#if defined(TARGET_NR_setxattr) || defined(TARGET_NR_get_thread_area) || defined(TARGET_NR_getdomainname)
4178
    unimplemented_nowarn:
4179
#endif
4180
        ret = -ENOSYS;
4181
        break;
4182
    }
4183
 fail:
4184
#ifdef DEBUG
4185
    gemu_log(" = %ld\n", ret);
4186
#endif
4187
    return ret;
4188
}
4189