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

    
56
#define termios host_termios
57
#define winsize host_winsize
58
#define termio host_termio
59
#define sgttyb host_sgttyb /* same as target */
60
#define tchars host_tchars /* same as target */
61
#define ltchars host_ltchars /* same as target */
62

    
63
#include <linux/termios.h>
64
#include <linux/unistd.h>
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#include <linux/utsname.h>
66
#include <linux/cdrom.h>
67
#include <linux/hdreg.h>
68
#include <linux/soundcard.h>
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#include <linux/dirent.h>
70
#include <linux/kd.h>
71

    
72
#include "qemu.h"
73

    
74
//#define DEBUG
75

    
76
#if defined(TARGET_I386) || defined(TARGET_ARM) || defined(TARGET_SPARC) \
77
    || defined(TARGET_M68K) || defined(TARGET_SH4)
78
/* 16 bit uid wrappers emulation */
79
#define USE_UID16
80
#endif
81

    
82
//#include <linux/msdos_fs.h>
83
#define        VFAT_IOCTL_READDIR_BOTH                _IOR('r', 1, struct dirent [2])
84
#define        VFAT_IOCTL_READDIR_SHORT        _IOR('r', 2, struct dirent [2])
85

    
86

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

    
95
#define _syscall0(type,name)                \
96
type name (void)                        \
97
{                                        \
98
        return syscall(__NR_##name);        \
99
}
100

    
101
#define _syscall1(type,name,type1,arg1)                \
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type name (type1 arg1)                                \
103
{                                                \
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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)        \
114
type name (type1 arg1,type2 arg2,type3 arg3)                        \
115
{                                                                \
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        return syscall(__NR_##name, arg1, arg2, arg3);                \
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}
118

    
119
#define _syscall4(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4)        \
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type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4)                                \
121
{                                                                                \
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        return syscall(__NR_##name, arg1, arg2, arg3, arg4);                        \
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}
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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
{                                                                                \
129
        return syscall(__NR_##name, arg1, arg2, arg3, arg4, arg5);                \
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}
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132

    
133
#define _syscall6(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4,        \
134
                  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
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#define __NR_sys_getcwd1 __NR_getcwd
143
#define __NR_sys_getdents __NR_getdents
144
#define __NR_sys_getdents64 __NR_getdents64
145
#define __NR_sys_rt_sigqueueinfo __NR_rt_sigqueueinfo
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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)
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_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)
167
#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
/*
185
 * This list is the union of errno values overidden in asm-<arch>/errno.h
186
 * minus the errnos that are not actually generic to all archs.
187
 */
188
static uint16_t host_to_target_errno_table[1200] = {
189
    [EIDRM]                = TARGET_EIDRM,
190
    [ECHRNG]                = TARGET_ECHRNG,
191
    [EL2NSYNC]                = TARGET_EL2NSYNC,
192
    [EL3HLT]                = TARGET_EL3HLT,
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    [EL3RST]                = TARGET_EL3RST,
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    [ELNRNG]                = TARGET_ELNRNG,
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    [EUNATCH]                = TARGET_EUNATCH,
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    [ENOCSI]                = TARGET_ENOCSI,
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    [EL2HLT]                = TARGET_EL2HLT,
198
    [EDEADLK]                = TARGET_EDEADLK,
199
    [ENOLCK]                = TARGET_ENOLCK,
200
    [EBADE]                = TARGET_EBADE,
201
    [EBADR]                = TARGET_EBADR,
202
    [EXFULL]                = TARGET_EXFULL,
203
    [ENOANO]                = TARGET_ENOANO,
204
    [EBADRQC]                = TARGET_EBADRQC,
205
    [EBADSLT]                = TARGET_EBADSLT,
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    [EBFONT]                = TARGET_EBFONT,
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    [ENOSTR]                = TARGET_ENOSTR,
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    [ENODATA]                = TARGET_ENODATA,
209
    [ETIME]                = TARGET_ETIME,
210
    [ENOSR]                = TARGET_ENOSR,
211
    [ENONET]                = TARGET_ENONET,
212
    [ENOPKG]                = TARGET_ENOPKG,
213
    [EREMOTE]                = TARGET_EREMOTE,
214
    [ENOLINK]                = TARGET_ENOLINK,
215
    [EADV]                = TARGET_EADV,
216
    [ESRMNT]                = TARGET_ESRMNT,
217
    [ECOMM]                = TARGET_ECOMM,
218
    [EPROTO]                = TARGET_EPROTO,
219
    [EDOTDOT]                = TARGET_EDOTDOT,
220
    [EMULTIHOP]                = TARGET_EMULTIHOP,
221
    [EBADMSG]                = TARGET_EBADMSG,
222
    [ENAMETOOLONG]        = TARGET_ENAMETOOLONG,
223
    [EOVERFLOW]                = TARGET_EOVERFLOW,
224
    [ENOTUNIQ]                = TARGET_ENOTUNIQ,
225
    [EBADFD]                = TARGET_EBADFD,
226
    [EREMCHG]                = TARGET_EREMCHG,
227
    [ELIBACC]                = TARGET_ELIBACC,
228
    [ELIBBAD]                = TARGET_ELIBBAD,
229
    [ELIBSCN]                = TARGET_ELIBSCN,
230
    [ELIBMAX]                = TARGET_ELIBMAX,
231
    [ELIBEXEC]                = TARGET_ELIBEXEC,
232
    [EILSEQ]                = TARGET_EILSEQ,
233
    [ENOSYS]                = TARGET_ENOSYS,
234
    [ELOOP]                = TARGET_ELOOP,
235
    [ERESTART]                = TARGET_ERESTART,
236
    [ESTRPIPE]                = TARGET_ESTRPIPE,
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    [ENOTEMPTY]                = TARGET_ENOTEMPTY,
238
    [EUSERS]                = TARGET_EUSERS,
239
    [ENOTSOCK]                = TARGET_ENOTSOCK,
240
    [EDESTADDRREQ]        = TARGET_EDESTADDRREQ,
241
    [EMSGSIZE]                = TARGET_EMSGSIZE,
242
    [EPROTOTYPE]        = TARGET_EPROTOTYPE,
243
    [ENOPROTOOPT]        = TARGET_ENOPROTOOPT,
244
    [EPROTONOSUPPORT]        = TARGET_EPROTONOSUPPORT,
245
    [ESOCKTNOSUPPORT]        = TARGET_ESOCKTNOSUPPORT,
246
    [EOPNOTSUPP]        = TARGET_EOPNOTSUPP,
247
    [EPFNOSUPPORT]        = TARGET_EPFNOSUPPORT,
248
    [EAFNOSUPPORT]        = TARGET_EAFNOSUPPORT,
249
    [EADDRINUSE]        = TARGET_EADDRINUSE,
250
    [EADDRNOTAVAIL]        = TARGET_EADDRNOTAVAIL,
251
    [ENETDOWN]                = TARGET_ENETDOWN,
252
    [ENETUNREACH]        = TARGET_ENETUNREACH,
253
    [ENETRESET]                = TARGET_ENETRESET,
254
    [ECONNABORTED]        = TARGET_ECONNABORTED,
255
    [ECONNRESET]        = TARGET_ECONNRESET,
256
    [ENOBUFS]                = TARGET_ENOBUFS,
257
    [EISCONN]                = TARGET_EISCONN,
258
    [ENOTCONN]                = TARGET_ENOTCONN,
259
    [EUCLEAN]                = TARGET_EUCLEAN,
260
    [ENOTNAM]                = TARGET_ENOTNAM,
261
    [ENAVAIL]                = TARGET_ENAVAIL,
262
    [EISNAM]                = TARGET_EISNAM,
263
    [EREMOTEIO]                = TARGET_EREMOTEIO,
264
    [ESHUTDOWN]                = TARGET_ESHUTDOWN,
265
    [ETOOMANYREFS]        = TARGET_ETOOMANYREFS,
266
    [ETIMEDOUT]                = TARGET_ETIMEDOUT,
267
    [ECONNREFUSED]        = TARGET_ECONNREFUSED,
268
    [EHOSTDOWN]                = TARGET_EHOSTDOWN,
269
    [EHOSTUNREACH]        = TARGET_EHOSTUNREACH,
270
    [EALREADY]                = TARGET_EALREADY,
271
    [EINPROGRESS]        = TARGET_EINPROGRESS,
272
    [ESTALE]                = TARGET_ESTALE,
273
    [ECANCELED]                = TARGET_ECANCELED,
274
    [ENOMEDIUM]                = TARGET_ENOMEDIUM,
275
    [EMEDIUMTYPE]        = TARGET_EMEDIUMTYPE,
276
    [ENOKEY]                = TARGET_ENOKEY,
277
    [EKEYEXPIRED]        = TARGET_EKEYEXPIRED,
278
    [EKEYREVOKED]        = TARGET_EKEYREVOKED,
279
    [EKEYREJECTED]        = TARGET_EKEYREJECTED,
280
    [EOWNERDEAD]        = TARGET_EOWNERDEAD,
281
    [ENOTRECOVERABLE]        = TARGET_ENOTRECOVERABLE,
282
        };
283

    
284
static inline int host_to_target_errno(int err)
285
{
286
    if(host_to_target_errno_table[err])
287
        return host_to_target_errno_table[err];
288
    return err;
289
}
290

    
291
static inline long get_errno(long ret)
292
{
293
    if (ret == -1)
294
        return -host_to_target_errno(errno);
295
    else
296
        return ret;
297
}
298

    
299
static inline int is_error(long ret)
300
{
301
    return (unsigned long)ret >= (unsigned long)(-4096);
302
}
303

    
304
static target_ulong target_brk;
305
static target_ulong target_original_brk;
306

    
307
void target_set_brk(target_ulong new_brk)
308
{
309
    target_original_brk = target_brk = new_brk;
310
}
311

    
312
long do_brk(target_ulong new_brk)
313
{
314
    target_ulong brk_page;
315
    long mapped_addr;
316
    int        new_alloc_size;
317

    
318
    if (!new_brk)
319
        return target_brk;
320
    if (new_brk < target_original_brk)
321
        return -ENOMEM;
322
    
323
    brk_page = HOST_PAGE_ALIGN(target_brk);
324

    
325
    /* If the new brk is less than this, set it and we're done... */
326
    if (new_brk < brk_page) {
327
        target_brk = new_brk;
328
            return target_brk;
329
    }
330

    
331
    /* We need to allocate more memory after the brk... */
332
    new_alloc_size = HOST_PAGE_ALIGN(new_brk - brk_page + 1);
333
    mapped_addr = get_errno(target_mmap(brk_page, new_alloc_size, 
334
                                        PROT_READ|PROT_WRITE,
335
                                        MAP_ANON|MAP_FIXED|MAP_PRIVATE, 0, 0));
336
    if (is_error(mapped_addr)) {
337
        return mapped_addr;
338
    } else {
339
        target_brk = new_brk;
340
            return target_brk;
341
    }
342
}
343

    
344
static inline fd_set *target_to_host_fds(fd_set *fds, 
345
                                         target_long *target_fds, int n)
346
{
347
#if !defined(BSWAP_NEEDED) && !defined(WORDS_BIGENDIAN)
348
    return (fd_set *)target_fds;
349
#else
350
    int i, b;
351
    if (target_fds) {
352
        FD_ZERO(fds);
353
        for(i = 0;i < n; i++) {
354
            b = (tswapl(target_fds[i / TARGET_LONG_BITS]) >>
355
                 (i & (TARGET_LONG_BITS - 1))) & 1;
356
            if (b)
357
                FD_SET(i, fds);
358
        }
359
        return fds;
360
    } else {
361
        return NULL;
362
    }
363
#endif
364
}
365

    
366
static inline void host_to_target_fds(target_long *target_fds, 
367
                                      fd_set *fds, int n)
368
{
369
#if !defined(BSWAP_NEEDED) && !defined(WORDS_BIGENDIAN)
370
    /* nothing to do */
371
#else
372
    int i, nw, j, k;
373
    target_long v;
374

    
375
    if (target_fds) {
376
        nw = (n + TARGET_LONG_BITS - 1) / TARGET_LONG_BITS;
377
        k = 0;
378
        for(i = 0;i < nw; i++) {
379
            v = 0;
380
            for(j = 0; j < TARGET_LONG_BITS; j++) {
381
                v |= ((FD_ISSET(k, fds) != 0) << j);
382
                k++;
383
            }
384
            target_fds[i] = tswapl(v);
385
        }
386
    }
387
#endif
388
}
389

    
390
#if defined(__alpha__)
391
#define HOST_HZ 1024
392
#else
393
#define HOST_HZ 100
394
#endif
395

    
396
static inline long host_to_target_clock_t(long ticks)
397
{
398
#if HOST_HZ == TARGET_HZ
399
    return ticks;
400
#else
401
    return ((int64_t)ticks * TARGET_HZ) / HOST_HZ;
402
#endif
403
}
404

    
405
static inline void host_to_target_rusage(target_ulong target_addr,
406
                                         const struct rusage *rusage)
407
{
408
    struct target_rusage *target_rusage;
409

    
410
    lock_user_struct(target_rusage, target_addr, 0);
411
    target_rusage->ru_utime.tv_sec = tswapl(rusage->ru_utime.tv_sec);
412
    target_rusage->ru_utime.tv_usec = tswapl(rusage->ru_utime.tv_usec);
413
    target_rusage->ru_stime.tv_sec = tswapl(rusage->ru_stime.tv_sec);
414
    target_rusage->ru_stime.tv_usec = tswapl(rusage->ru_stime.tv_usec);
415
    target_rusage->ru_maxrss = tswapl(rusage->ru_maxrss);
416
    target_rusage->ru_ixrss = tswapl(rusage->ru_ixrss);
417
    target_rusage->ru_idrss = tswapl(rusage->ru_idrss);
418
    target_rusage->ru_isrss = tswapl(rusage->ru_isrss);
419
    target_rusage->ru_minflt = tswapl(rusage->ru_minflt);
420
    target_rusage->ru_majflt = tswapl(rusage->ru_majflt);
421
    target_rusage->ru_nswap = tswapl(rusage->ru_nswap);
422
    target_rusage->ru_inblock = tswapl(rusage->ru_inblock);
423
    target_rusage->ru_oublock = tswapl(rusage->ru_oublock);
424
    target_rusage->ru_msgsnd = tswapl(rusage->ru_msgsnd);
425
    target_rusage->ru_msgrcv = tswapl(rusage->ru_msgrcv);
426
    target_rusage->ru_nsignals = tswapl(rusage->ru_nsignals);
427
    target_rusage->ru_nvcsw = tswapl(rusage->ru_nvcsw);
428
    target_rusage->ru_nivcsw = tswapl(rusage->ru_nivcsw);
429
    unlock_user_struct(target_rusage, target_addr, 1);
430
}
431

    
432
static inline void target_to_host_timeval(struct timeval *tv,
433
                                          target_ulong target_addr)
434
{
435
    struct target_timeval *target_tv;
436

    
437
    lock_user_struct(target_tv, target_addr, 1);
438
    tv->tv_sec = tswapl(target_tv->tv_sec);
439
    tv->tv_usec = tswapl(target_tv->tv_usec);
440
    unlock_user_struct(target_tv, target_addr, 0);
441
}
442

    
443
static inline void host_to_target_timeval(target_ulong target_addr,
444
                                          const struct timeval *tv)
445
{
446
    struct target_timeval *target_tv;
447

    
448
    lock_user_struct(target_tv, target_addr, 0);
449
    target_tv->tv_sec = tswapl(tv->tv_sec);
450
    target_tv->tv_usec = tswapl(tv->tv_usec);
451
    unlock_user_struct(target_tv, target_addr, 1);
452
}
453

    
454

    
455
static long do_select(long n, 
456
                      target_ulong rfd_p, target_ulong wfd_p, 
457
                      target_ulong efd_p, target_ulong target_tv)
458
{
459
    fd_set rfds, wfds, efds;
460
    fd_set *rfds_ptr, *wfds_ptr, *efds_ptr;
461
    target_long *target_rfds, *target_wfds, *target_efds;
462
    struct timeval tv, *tv_ptr;
463
    long ret;
464
    int ok;
465

    
466
    if (rfd_p) {
467
        target_rfds = lock_user(rfd_p, sizeof(target_long) * n, 1);
468
        rfds_ptr = target_to_host_fds(&rfds, target_rfds, n);
469
    } else {
470
        target_rfds = NULL;
471
        rfds_ptr = NULL;
472
    }
473
    if (wfd_p) {
474
        target_wfds = lock_user(wfd_p, sizeof(target_long) * n, 1);
475
        wfds_ptr = target_to_host_fds(&wfds, target_wfds, n);
476
    } else {
477
        target_wfds = NULL;
478
        wfds_ptr = NULL;
479
    }
480
    if (efd_p) {
481
        target_efds = lock_user(efd_p, sizeof(target_long) * n, 1);
482
        efds_ptr = target_to_host_fds(&efds, target_efds, n);
483
    } else {
484
        target_efds = NULL;
485
        efds_ptr = NULL;
486
    }
487
            
488
    if (target_tv) {
489
        target_to_host_timeval(&tv, target_tv);
490
        tv_ptr = &tv;
491
    } else {
492
        tv_ptr = NULL;
493
    }
494
    ret = get_errno(select(n, rfds_ptr, wfds_ptr, efds_ptr, tv_ptr));
495
    ok = !is_error(ret);
496

    
497
    if (ok) {
498
        host_to_target_fds(target_rfds, rfds_ptr, n);
499
        host_to_target_fds(target_wfds, wfds_ptr, n);
500
        host_to_target_fds(target_efds, efds_ptr, n);
501

    
502
        if (target_tv) {
503
            host_to_target_timeval(target_tv, &tv);
504
        }
505
    }
506
    if (target_rfds)
507
        unlock_user(target_rfds, rfd_p, ok ? sizeof(target_long) * n : 0);
508
    if (target_wfds)
509
        unlock_user(target_wfds, wfd_p, ok ? sizeof(target_long) * n : 0);
510
    if (target_efds)
511
        unlock_user(target_efds, efd_p, ok ? sizeof(target_long) * n : 0);
512

    
513
    return ret;
514
}
515

    
516
static inline void target_to_host_sockaddr(struct sockaddr *addr,
517
                                           target_ulong target_addr,
518
                                           socklen_t len)
519
{
520
    struct target_sockaddr *target_saddr;
521

    
522
    target_saddr = lock_user(target_addr, len, 1);
523
    memcpy(addr, target_saddr, len);
524
    addr->sa_family = tswap16(target_saddr->sa_family);
525
    unlock_user(target_saddr, target_addr, 0);
526
}
527

    
528
static inline void host_to_target_sockaddr(target_ulong target_addr,
529
                                           struct sockaddr *addr,
530
                                           socklen_t len)
531
{
532
    struct target_sockaddr *target_saddr;
533

    
534
    target_saddr = lock_user(target_addr, len, 0);
535
    memcpy(target_saddr, addr, len);
536
    target_saddr->sa_family = tswap16(addr->sa_family);
537
    unlock_user(target_saddr, target_addr, len);
538
}
539

    
540
/* ??? Should this also swap msgh->name?  */
541
static inline void target_to_host_cmsg(struct msghdr *msgh,
542
                                       struct target_msghdr *target_msgh)
543
{
544
    struct cmsghdr *cmsg = CMSG_FIRSTHDR(msgh);
545
    struct target_cmsghdr *target_cmsg = TARGET_CMSG_FIRSTHDR(target_msgh);
546
    socklen_t space = 0;
547

    
548
    while (cmsg && target_cmsg) {
549
        void *data = CMSG_DATA(cmsg);
550
        void *target_data = TARGET_CMSG_DATA(target_cmsg);
551

    
552
        int len = tswapl(target_cmsg->cmsg_len) 
553
                  - TARGET_CMSG_ALIGN(sizeof (struct target_cmsghdr));
554

    
555
        space += CMSG_SPACE(len);
556
        if (space > msgh->msg_controllen) {
557
            space -= CMSG_SPACE(len);
558
            gemu_log("Host cmsg overflow\n");
559
            break;
560
        }
561

    
562
        cmsg->cmsg_level = tswap32(target_cmsg->cmsg_level);
563
        cmsg->cmsg_type = tswap32(target_cmsg->cmsg_type);
564
        cmsg->cmsg_len = CMSG_LEN(len);
565

    
566
        if (cmsg->cmsg_level != TARGET_SOL_SOCKET || cmsg->cmsg_type != SCM_RIGHTS) {
567
            gemu_log("Unsupported ancillary data: %d/%d\n", cmsg->cmsg_level, cmsg->cmsg_type);
568
            memcpy(data, target_data, len);
569
        } else {
570
            int *fd = (int *)data;
571
            int *target_fd = (int *)target_data;
572
            int i, numfds = len / sizeof(int);
573

    
574
            for (i = 0; i < numfds; i++)
575
                fd[i] = tswap32(target_fd[i]);
576
        }
577

    
578
        cmsg = CMSG_NXTHDR(msgh, cmsg);
579
        target_cmsg = TARGET_CMSG_NXTHDR(target_msgh, target_cmsg);
580
    }
581

    
582
    msgh->msg_controllen = space;
583
}
584

    
585
/* ??? Should this also swap msgh->name?  */
586
static inline void host_to_target_cmsg(struct target_msghdr *target_msgh,
587
                                       struct msghdr *msgh)
588
{
589
    struct cmsghdr *cmsg = CMSG_FIRSTHDR(msgh);
590
    struct target_cmsghdr *target_cmsg = TARGET_CMSG_FIRSTHDR(target_msgh);
591
    socklen_t space = 0;
592

    
593
    while (cmsg && target_cmsg) {
594
        void *data = CMSG_DATA(cmsg);
595
        void *target_data = TARGET_CMSG_DATA(target_cmsg);
596

    
597
        int len = cmsg->cmsg_len - CMSG_ALIGN(sizeof (struct cmsghdr));
598

    
599
        space += TARGET_CMSG_SPACE(len);
600
        if (space > tswapl(target_msgh->msg_controllen)) {
601
            space -= TARGET_CMSG_SPACE(len);
602
            gemu_log("Target cmsg overflow\n");
603
            break;
604
        }
605

    
606
        target_cmsg->cmsg_level = tswap32(cmsg->cmsg_level);
607
        target_cmsg->cmsg_type = tswap32(cmsg->cmsg_type);
608
        target_cmsg->cmsg_len = tswapl(TARGET_CMSG_LEN(len));
609

    
610
        if (cmsg->cmsg_level != TARGET_SOL_SOCKET || cmsg->cmsg_type != SCM_RIGHTS) {
611
            gemu_log("Unsupported ancillary data: %d/%d\n", cmsg->cmsg_level, cmsg->cmsg_type);
612
            memcpy(target_data, data, len);
613
        } else {
614
            int *fd = (int *)data;
615
            int *target_fd = (int *)target_data;
616
            int i, numfds = len / sizeof(int);
617

    
618
            for (i = 0; i < numfds; i++)
619
                target_fd[i] = tswap32(fd[i]);
620
        }
621

    
622
        cmsg = CMSG_NXTHDR(msgh, cmsg);
623
        target_cmsg = TARGET_CMSG_NXTHDR(target_msgh, target_cmsg);
624
    }
625

    
626
    msgh->msg_controllen = tswapl(space);
627
}
628

    
629
static long do_setsockopt(int sockfd, int level, int optname, 
630
                          target_ulong optval, socklen_t optlen)
631
{
632
    int val, ret;
633
            
634
    switch(level) {
635
    case SOL_TCP:
636
        /* TCP options all take an 'int' value.  */
637
        if (optlen < sizeof(uint32_t))
638
            return -EINVAL;
639
        
640
        val = tget32(optval);
641
        ret = get_errno(setsockopt(sockfd, level, optname, &val, sizeof(val)));
642
        break;
643
    case SOL_IP:
644
        switch(optname) {
645
        case IP_TOS:
646
        case IP_TTL:
647
        case IP_HDRINCL:
648
        case IP_ROUTER_ALERT:
649
        case IP_RECVOPTS:
650
        case IP_RETOPTS:
651
        case IP_PKTINFO:
652
        case IP_MTU_DISCOVER:
653
        case IP_RECVERR:
654
        case IP_RECVTOS:
655
#ifdef IP_FREEBIND
656
        case IP_FREEBIND:
657
#endif
658
        case IP_MULTICAST_TTL:
659
        case IP_MULTICAST_LOOP:
660
            val = 0;
661
            if (optlen >= sizeof(uint32_t)) {
662
                val = tget32(optval);
663
            } else if (optlen >= 1) {
664
                val = tget8(optval);
665
            }
666
            ret = get_errno(setsockopt(sockfd, level, optname, &val, sizeof(val)));
667
            break;
668
        default:
669
            goto unimplemented;
670
        }
671
        break;
672
    case TARGET_SOL_SOCKET:
673
        switch (optname) {
674
            /* Options with 'int' argument.  */
675
        case TARGET_SO_DEBUG:
676
                optname = SO_DEBUG;
677
                break;
678
        case TARGET_SO_REUSEADDR:
679
                optname = SO_REUSEADDR;
680
                break;
681
        case TARGET_SO_TYPE:
682
                optname = SO_TYPE;
683
                break;
684
        case TARGET_SO_ERROR:
685
                optname = SO_ERROR;
686
                break;
687
        case TARGET_SO_DONTROUTE:
688
                optname = SO_DONTROUTE;
689
                break;
690
        case TARGET_SO_BROADCAST:
691
                optname = SO_BROADCAST;
692
                break;
693
        case TARGET_SO_SNDBUF:
694
                optname = SO_SNDBUF;
695
                break;
696
        case TARGET_SO_RCVBUF:
697
                optname = SO_RCVBUF;
698
                break;
699
        case TARGET_SO_KEEPALIVE:
700
                optname = SO_KEEPALIVE;
701
                break;
702
        case TARGET_SO_OOBINLINE:
703
                optname = SO_OOBINLINE;
704
                break;
705
        case TARGET_SO_NO_CHECK:
706
                optname = SO_NO_CHECK;
707
                break;
708
        case TARGET_SO_PRIORITY:
709
                optname = SO_PRIORITY;
710
                break;
711
#ifdef SO_BSDCOMPAT
712
        case TARGET_SO_BSDCOMPAT:
713
                optname = SO_BSDCOMPAT;
714
                break;
715
#endif
716
        case TARGET_SO_PASSCRED:
717
                optname = SO_PASSCRED;
718
                break;
719
        case TARGET_SO_TIMESTAMP:
720
                optname = SO_TIMESTAMP;
721
                break;
722
        case TARGET_SO_RCVLOWAT:
723
                optname = SO_RCVLOWAT;
724
                break;
725
        case TARGET_SO_RCVTIMEO:
726
                optname = SO_RCVTIMEO;
727
                break;
728
        case TARGET_SO_SNDTIMEO:
729
                optname = SO_SNDTIMEO;
730
                break;
731
            break;
732
        default:
733
            goto unimplemented;
734
        }
735
        if (optlen < sizeof(uint32_t))
736
        return -EINVAL;
737

    
738
        val = tget32(optval);
739
        ret = get_errno(setsockopt(sockfd, SOL_SOCKET, optname, &val, sizeof(val)));
740
        break;
741
    default:
742
    unimplemented:
743
        gemu_log("Unsupported setsockopt level=%d optname=%d \n", level, optname);
744
        ret = -ENOSYS;
745
    }
746
    return ret;
747
}
748

    
749
static long do_getsockopt(int sockfd, int level, int optname, 
750
                          target_ulong optval, target_ulong optlen)
751
{
752
    int len, lv, val, ret;
753

    
754
    switch(level) {
755
    case TARGET_SOL_SOCKET:
756
            level = SOL_SOCKET;
757
        switch (optname) {
758
        case TARGET_SO_LINGER:
759
        case TARGET_SO_RCVTIMEO:
760
        case TARGET_SO_SNDTIMEO:
761
        case TARGET_SO_PEERCRED:
762
        case TARGET_SO_PEERNAME:
763
            /* These don't just return a single integer */
764
            goto unimplemented;
765
        default:
766
            goto int_case;
767
        }
768
        break;
769
    case SOL_TCP:
770
        /* TCP options all take an 'int' value.  */
771
    int_case:
772
        len = tget32(optlen);
773
        if (len < 0)
774
            return -EINVAL;
775
        lv = sizeof(int);
776
        ret = get_errno(getsockopt(sockfd, level, optname, &val, &lv));
777
        if (ret < 0)
778
            return ret;
779
        val = tswap32(val);
780
        if (len > lv)
781
            len = lv;
782
        if (len == 4)
783
            tput32(optval, val);
784
        else
785
            tput8(optval, val);
786
        tput32(optlen, len);
787
        break;
788
    case SOL_IP:
789
        switch(optname) {
790
        case IP_TOS:
791
        case IP_TTL:
792
        case IP_HDRINCL:
793
        case IP_ROUTER_ALERT:
794
        case IP_RECVOPTS:
795
        case IP_RETOPTS:
796
        case IP_PKTINFO:
797
        case IP_MTU_DISCOVER:
798
        case IP_RECVERR:
799
        case IP_RECVTOS:
800
#ifdef IP_FREEBIND
801
        case IP_FREEBIND:
802
#endif
803
        case IP_MULTICAST_TTL:
804
        case IP_MULTICAST_LOOP:
805
            len = tget32(optlen);
806
            if (len < 0)
807
                return -EINVAL;
808
            lv = sizeof(int);
809
            ret = get_errno(getsockopt(sockfd, level, optname, &val, &lv));
810
            if (ret < 0)
811
                return ret;
812
            if (len < sizeof(int) && len > 0 && val >= 0 && val < 255) {
813
                len = 1;
814
                tput32(optlen, len);
815
                tput8(optval, val);
816
            } else {
817
                if (len > sizeof(int))
818
                    len = sizeof(int);
819
                tput32(optlen, len);
820
                tput32(optval, val);
821
            }
822
            break;
823
        default:
824
            goto unimplemented;
825
        }
826
        break;
827
    default:
828
    unimplemented:
829
        gemu_log("getsockopt level=%d optname=%d not yet supported\n",
830
                 level, optname);
831
        ret = -ENOSYS;
832
        break;
833
    }
834
    return ret;
835
}
836

    
837
static void lock_iovec(struct iovec *vec, target_ulong target_addr,
838
                       int count, int copy)
839
{
840
    struct target_iovec *target_vec;
841
    target_ulong base;
842
    int i;
843

    
844
    target_vec = lock_user(target_addr, count * sizeof(struct target_iovec), 1);
845
    for(i = 0;i < count; i++) {
846
        base = tswapl(target_vec[i].iov_base);
847
        vec[i].iov_len = tswapl(target_vec[i].iov_len);
848
        vec[i].iov_base = lock_user(base, vec[i].iov_len, copy);
849
    }
850
    unlock_user (target_vec, target_addr, 0);
851
}
852

    
853
static void unlock_iovec(struct iovec *vec, target_ulong target_addr,
854
                         int count, int copy)
855
{
856
    struct target_iovec *target_vec;
857
    target_ulong base;
858
    int i;
859

    
860
    target_vec = lock_user(target_addr, count * sizeof(struct target_iovec), 1);
861
    for(i = 0;i < count; i++) {
862
        base = tswapl(target_vec[i].iov_base);
863
        unlock_user(vec[i].iov_base, base, copy ? vec[i].iov_len : 0);
864
    }
865
    unlock_user (target_vec, target_addr, 0);
866
}
867

    
868
static long do_socket(int domain, int type, int protocol)
869
{
870
#if defined(TARGET_MIPS)
871
    switch(type) {
872
    case TARGET_SOCK_DGRAM:
873
        type = SOCK_DGRAM;
874
        break;
875
    case TARGET_SOCK_STREAM:
876
        type = SOCK_STREAM;
877
        break;
878
    case TARGET_SOCK_RAW:
879
        type = SOCK_RAW;
880
        break;
881
    case TARGET_SOCK_RDM:
882
        type = SOCK_RDM;
883
        break;
884
    case TARGET_SOCK_SEQPACKET:
885
        type = SOCK_SEQPACKET;
886
        break;
887
    case TARGET_SOCK_PACKET:
888
        type = SOCK_PACKET;
889
        break;
890
    }
891
#endif
892
    return get_errno(socket(domain, type, protocol));
893
}
894

    
895
static long do_bind(int sockfd, target_ulong target_addr,
896
                    socklen_t addrlen)
897
{
898
    void *addr = alloca(addrlen);
899
    
900
    target_to_host_sockaddr(addr, target_addr, addrlen);
901
    return get_errno(bind(sockfd, addr, addrlen));
902
}
903

    
904
static long do_connect(int sockfd, target_ulong target_addr,
905
                    socklen_t addrlen)
906
{
907
    void *addr = alloca(addrlen);
908
    
909
    target_to_host_sockaddr(addr, target_addr, addrlen);
910
    return get_errno(connect(sockfd, addr, addrlen));
911
}
912

    
913
static long do_sendrecvmsg(int fd, target_ulong target_msg,
914
                           int flags, int send)
915
{
916
    long ret;
917
    struct target_msghdr *msgp;
918
    struct msghdr msg;
919
    int count;
920
    struct iovec *vec;
921
    target_ulong target_vec;
922

    
923
    lock_user_struct(msgp, target_msg, 1);
924
    if (msgp->msg_name) {
925
        msg.msg_namelen = tswap32(msgp->msg_namelen);
926
        msg.msg_name = alloca(msg.msg_namelen);
927
        target_to_host_sockaddr(msg.msg_name, tswapl(msgp->msg_name),
928
                                msg.msg_namelen);
929
    } else {
930
        msg.msg_name = NULL;
931
        msg.msg_namelen = 0;
932
    }
933
    msg.msg_controllen = 2 * tswapl(msgp->msg_controllen);
934
    msg.msg_control = alloca(msg.msg_controllen);
935
    msg.msg_flags = tswap32(msgp->msg_flags);
936
    
937
    count = tswapl(msgp->msg_iovlen);
938
    vec = alloca(count * sizeof(struct iovec));
939
    target_vec = tswapl(msgp->msg_iov);
940
    lock_iovec(vec, target_vec, count, send);
941
    msg.msg_iovlen = count;
942
    msg.msg_iov = vec;
943
    
944
    if (send) {
945
        target_to_host_cmsg(&msg, msgp);
946
        ret = get_errno(sendmsg(fd, &msg, flags));
947
    } else {
948
        ret = get_errno(recvmsg(fd, &msg, flags));
949
        if (!is_error(ret))
950
            host_to_target_cmsg(msgp, &msg);
951
    }
952
    unlock_iovec(vec, target_vec, count, !send);
953
    return ret;
954
}
955

    
956
static long do_accept(int fd, target_ulong target_addr,
957
                      target_ulong target_addrlen)
958
{
959
    socklen_t addrlen = tget32(target_addrlen);
960
    void *addr = alloca(addrlen);
961
    long ret;
962

    
963
    ret = get_errno(accept(fd, addr, &addrlen));
964
    if (!is_error(ret)) {
965
        host_to_target_sockaddr(target_addr, addr, addrlen);
966
        tput32(target_addrlen, addrlen);
967
    }
968
    return ret;
969
}
970

    
971
static long do_getpeername(int fd, target_ulong target_addr,
972
                           target_ulong target_addrlen)
973
{
974
    socklen_t addrlen = tget32(target_addrlen);
975
    void *addr = alloca(addrlen);
976
    long ret;
977

    
978
    ret = get_errno(getpeername(fd, addr, &addrlen));
979
    if (!is_error(ret)) {
980
        host_to_target_sockaddr(target_addr, addr, addrlen);
981
        tput32(target_addrlen, addrlen);
982
    }
983
    return ret;
984
}
985

    
986
static long do_getsockname(int fd, target_ulong target_addr,
987
                           target_ulong target_addrlen)
988
{
989
    socklen_t addrlen = tget32(target_addrlen);
990
    void *addr = alloca(addrlen);
991
    long ret;
992

    
993
    ret = get_errno(getsockname(fd, addr, &addrlen));
994
    if (!is_error(ret)) {
995
        host_to_target_sockaddr(target_addr, addr, addrlen);
996
        tput32(target_addrlen, addrlen);
997
    }
998
    return ret;
999
}
1000

    
1001
static long do_socketpair(int domain, int type, int protocol,
1002
                          target_ulong target_tab)
1003
{
1004
    int tab[2];
1005
    long ret;
1006

    
1007
    ret = get_errno(socketpair(domain, type, protocol, tab));
1008
    if (!is_error(ret)) {
1009
        tput32(target_tab, tab[0]);
1010
        tput32(target_tab + 4, tab[1]);
1011
    }
1012
    return ret;
1013
}
1014

    
1015
static long do_sendto(int fd, target_ulong msg, size_t len, int flags,
1016
                      target_ulong target_addr, socklen_t addrlen)
1017
{
1018
    void *addr;
1019
    void *host_msg;
1020
    long ret;
1021

    
1022
    host_msg = lock_user(msg, len, 1);
1023
    if (target_addr) {
1024
        addr = alloca(addrlen);
1025
        target_to_host_sockaddr(addr, target_addr, addrlen);
1026
        ret = get_errno(sendto(fd, host_msg, len, flags, addr, addrlen));
1027
    } else {
1028
        ret = get_errno(send(fd, host_msg, len, flags));
1029
    }
1030
    unlock_user(host_msg, msg, 0);
1031
    return ret;
1032
}
1033

    
1034
static long do_recvfrom(int fd, target_ulong msg, size_t len, int flags,
1035
                        target_ulong target_addr, target_ulong target_addrlen)
1036
{
1037
    socklen_t addrlen;
1038
    void *addr;
1039
    void *host_msg;
1040
    long ret;
1041

    
1042
    host_msg = lock_user(msg, len, 0);
1043
    if (target_addr) {
1044
        addrlen = tget32(target_addrlen);
1045
        addr = alloca(addrlen);
1046
        ret = get_errno(recvfrom(fd, host_msg, len, flags, addr, &addrlen));
1047
    } else {
1048
        addr = NULL; /* To keep compiler quiet.  */
1049
        ret = get_errno(recv(fd, host_msg, len, flags));
1050
    }
1051
    if (!is_error(ret)) {
1052
        if (target_addr) {
1053
            host_to_target_sockaddr(target_addr, addr, addrlen);
1054
            tput32(target_addrlen, addrlen);
1055
        }
1056
        unlock_user(host_msg, msg, len);
1057
    } else {
1058
        unlock_user(host_msg, msg, 0);
1059
    }
1060
    return ret;
1061
}
1062

    
1063
static long do_socketcall(int num, target_ulong vptr)
1064
{
1065
    long ret;
1066
    const int n = sizeof(target_ulong);
1067

    
1068
    switch(num) {
1069
    case SOCKOP_socket:
1070
        {
1071
            int domain = tgetl(vptr);
1072
            int type = tgetl(vptr + n);
1073
            int protocol = tgetl(vptr + 2 * n);
1074
            ret = do_socket(domain, type, protocol);
1075
        }
1076
        break;
1077
    case SOCKOP_bind:
1078
        {
1079
            int sockfd = tgetl(vptr);
1080
            target_ulong target_addr = tgetl(vptr + n);
1081
            socklen_t addrlen = tgetl(vptr + 2 * n);
1082
            ret = do_bind(sockfd, target_addr, addrlen);
1083
        }
1084
        break;
1085
    case SOCKOP_connect:
1086
        {
1087
            int sockfd = tgetl(vptr);
1088
            target_ulong target_addr = tgetl(vptr + n);
1089
            socklen_t addrlen = tgetl(vptr + 2 * n);
1090
            ret = do_connect(sockfd, target_addr, addrlen);
1091
        }
1092
        break;
1093
    case SOCKOP_listen:
1094
        {
1095
            int sockfd = tgetl(vptr);
1096
            int backlog = tgetl(vptr + n);
1097
            ret = get_errno(listen(sockfd, backlog));
1098
        }
1099
        break;
1100
    case SOCKOP_accept:
1101
        {
1102
            int sockfd = tgetl(vptr);
1103
            target_ulong target_addr = tgetl(vptr + n);
1104
            target_ulong target_addrlen = tgetl(vptr + 2 * n);
1105
            ret = do_accept(sockfd, target_addr, target_addrlen);
1106
        }
1107
        break;
1108
    case SOCKOP_getsockname:
1109
        {
1110
            int sockfd = tgetl(vptr);
1111
            target_ulong target_addr = tgetl(vptr + n);
1112
            target_ulong target_addrlen = tgetl(vptr + 2 * n);
1113
            ret = do_getsockname(sockfd, target_addr, target_addrlen);
1114
        }
1115
        break;
1116
    case SOCKOP_getpeername:
1117
        {
1118
            int sockfd = tgetl(vptr);
1119
            target_ulong target_addr = tgetl(vptr + n);
1120
            target_ulong target_addrlen = tgetl(vptr + 2 * n);
1121
            ret = do_getpeername(sockfd, target_addr, target_addrlen);
1122
        }
1123
        break;
1124
    case SOCKOP_socketpair:
1125
        {
1126
            int domain = tgetl(vptr);
1127
            int type = tgetl(vptr + n);
1128
            int protocol = tgetl(vptr + 2 * n);
1129
            target_ulong tab = tgetl(vptr + 3 * n);
1130
            ret = do_socketpair(domain, type, protocol, tab);
1131
        }
1132
        break;
1133
    case SOCKOP_send:
1134
        {
1135
            int sockfd = tgetl(vptr);
1136
            target_ulong msg = tgetl(vptr + n);
1137
            size_t len = tgetl(vptr + 2 * n);
1138
            int flags = tgetl(vptr + 3 * n);
1139
            ret = do_sendto(sockfd, msg, len, flags, 0, 0);
1140
        }
1141
        break;
1142
    case SOCKOP_recv:
1143
        {
1144
            int sockfd = tgetl(vptr);
1145
            target_ulong msg = tgetl(vptr + n);
1146
            size_t len = tgetl(vptr + 2 * n);
1147
            int flags = tgetl(vptr + 3 * n);
1148
            ret = do_recvfrom(sockfd, msg, len, flags, 0, 0);
1149
        }
1150
        break;
1151
    case SOCKOP_sendto:
1152
        {
1153
            int sockfd = tgetl(vptr);
1154
            target_ulong msg = tgetl(vptr + n);
1155
            size_t len = tgetl(vptr + 2 * n);
1156
            int flags = tgetl(vptr + 3 * n);
1157
            target_ulong addr = tgetl(vptr + 4 * n);
1158
            socklen_t addrlen = tgetl(vptr + 5 * n);
1159
            ret = do_sendto(sockfd, msg, len, flags, addr, addrlen);
1160
        }
1161
        break;
1162
    case SOCKOP_recvfrom:
1163
        {
1164
            int sockfd = tgetl(vptr);
1165
            target_ulong msg = tgetl(vptr + n);
1166
            size_t len = tgetl(vptr + 2 * n);
1167
            int flags = tgetl(vptr + 3 * n);
1168
            target_ulong addr = tgetl(vptr + 4 * n);
1169
            target_ulong addrlen = tgetl(vptr + 5 * n);
1170
            ret = do_recvfrom(sockfd, msg, len, flags, addr, addrlen);
1171
        }
1172
        break;
1173
    case SOCKOP_shutdown:
1174
        {
1175
            int sockfd = tgetl(vptr);
1176
            int how = tgetl(vptr + n);
1177

    
1178
            ret = get_errno(shutdown(sockfd, how));
1179
        }
1180
        break;
1181
    case SOCKOP_sendmsg:
1182
    case SOCKOP_recvmsg:
1183
        {
1184
            int fd;
1185
            target_ulong target_msg;
1186
            int flags;
1187

    
1188
            fd = tgetl(vptr);
1189
            target_msg = tgetl(vptr + n);
1190
            flags = tgetl(vptr + 2 * n);
1191

    
1192
            ret = do_sendrecvmsg(fd, target_msg, flags, 
1193
                                 (num == SOCKOP_sendmsg));
1194
        }
1195
        break;
1196
    case SOCKOP_setsockopt:
1197
        {
1198
            int sockfd = tgetl(vptr);
1199
            int level = tgetl(vptr + n);
1200
            int optname = tgetl(vptr + 2 * n);
1201
            target_ulong optval = tgetl(vptr + 3 * n);
1202
            socklen_t optlen = tgetl(vptr + 4 * n);
1203

    
1204
            ret = do_setsockopt(sockfd, level, optname, optval, optlen);
1205
        }
1206
        break;
1207
    case SOCKOP_getsockopt:
1208
        {
1209
            int sockfd = tgetl(vptr);
1210
            int level = tgetl(vptr + n);
1211
            int optname = tgetl(vptr + 2 * n);
1212
            target_ulong optval = tgetl(vptr + 3 * n);
1213
            target_ulong poptlen = tgetl(vptr + 4 * n);
1214

    
1215
            ret = do_getsockopt(sockfd, level, optname, optval, poptlen);
1216
        }
1217
        break;
1218
    default:
1219
        gemu_log("Unsupported socketcall: %d\n", num);
1220
        ret = -ENOSYS;
1221
        break;
1222
    }
1223
    return ret;
1224
}
1225

    
1226
#define N_SHM_REGIONS        32
1227

    
1228
static struct shm_region {
1229
    uint32_t        start;
1230
    uint32_t        size;
1231
} shm_regions[N_SHM_REGIONS];
1232

    
1233
struct target_ipc_perm
1234
{
1235
    target_long __key;
1236
    target_ulong uid;
1237
    target_ulong gid;
1238
    target_ulong cuid;
1239
    target_ulong cgid;
1240
    unsigned short int mode;
1241
    unsigned short int __pad1;
1242
    unsigned short int __seq;
1243
    unsigned short int __pad2;
1244
    target_ulong __unused1;
1245
    target_ulong __unused2;
1246
};
1247

    
1248
struct target_semid_ds
1249
{
1250
  struct target_ipc_perm sem_perm;
1251
  target_ulong sem_otime;
1252
  target_ulong __unused1;
1253
  target_ulong sem_ctime;
1254
  target_ulong __unused2;
1255
  target_ulong sem_nsems;
1256
  target_ulong __unused3;
1257
  target_ulong __unused4;
1258
};
1259

    
1260
static inline void target_to_host_ipc_perm(struct ipc_perm *host_ip,
1261
                                           target_ulong target_addr)
1262
{
1263
    struct target_ipc_perm *target_ip;
1264
    struct target_semid_ds *target_sd;
1265

    
1266
    lock_user_struct(target_sd, target_addr, 1);
1267
    target_ip=&(target_sd->sem_perm);
1268
    host_ip->__key = tswapl(target_ip->__key);
1269
    host_ip->uid = tswapl(target_ip->uid);
1270
    host_ip->gid = tswapl(target_ip->gid);
1271
    host_ip->cuid = tswapl(target_ip->cuid);
1272
    host_ip->cgid = tswapl(target_ip->cgid);
1273
    host_ip->mode = tswapl(target_ip->mode);
1274
    unlock_user_struct(target_sd, target_addr, 0);
1275
}
1276

    
1277
static inline void host_to_target_ipc_perm(target_ulong target_addr,
1278
                                           struct ipc_perm *host_ip)
1279
{
1280
    struct target_ipc_perm *target_ip;
1281
    struct target_semid_ds *target_sd;
1282

    
1283
    lock_user_struct(target_sd, target_addr, 0);
1284
    target_ip = &(target_sd->sem_perm);
1285
    target_ip->__key = tswapl(host_ip->__key);
1286
    target_ip->uid = tswapl(host_ip->uid);
1287
    target_ip->gid = tswapl(host_ip->gid);
1288
    target_ip->cuid = tswapl(host_ip->cuid);
1289
    target_ip->cgid = tswapl(host_ip->cgid);
1290
    target_ip->mode = tswapl(host_ip->mode);
1291
    unlock_user_struct(target_sd, target_addr, 1);
1292
}
1293

    
1294
static inline void target_to_host_semid_ds(struct semid_ds *host_sd,
1295
                                          target_ulong target_addr)
1296
{
1297
    struct target_semid_ds *target_sd;
1298

    
1299
    lock_user_struct(target_sd, target_addr, 1);
1300
    target_to_host_ipc_perm(&(host_sd->sem_perm),target_addr);
1301
    host_sd->sem_nsems = tswapl(target_sd->sem_nsems);
1302
    host_sd->sem_otime = tswapl(target_sd->sem_otime);
1303
    host_sd->sem_ctime = tswapl(target_sd->sem_ctime);
1304
    unlock_user_struct(target_sd, target_addr, 0);
1305
}
1306

    
1307
static inline void host_to_target_semid_ds(target_ulong target_addr,
1308
                                           struct semid_ds *host_sd)
1309
{
1310
    struct target_semid_ds *target_sd;
1311

    
1312
    lock_user_struct(target_sd, target_addr, 0);
1313
    host_to_target_ipc_perm(target_addr,&(host_sd->sem_perm));
1314
    target_sd->sem_nsems = tswapl(host_sd->sem_nsems);
1315
    target_sd->sem_otime = tswapl(host_sd->sem_otime);
1316
    target_sd->sem_ctime = tswapl(host_sd->sem_ctime);
1317
    unlock_user_struct(target_sd, target_addr, 1);
1318
}
1319

    
1320
union semun {
1321
        int val;
1322
        struct semid_ds *buf;
1323
        unsigned short *array;
1324
};
1325

    
1326
union target_semun {
1327
        int val;
1328
        target_long buf;
1329
        unsigned short int *array;
1330
};
1331

    
1332
static inline void target_to_host_semun(unsigned long cmd,
1333
                                        union semun *host_su,
1334
                                        target_ulong target_addr,
1335
                                        struct semid_ds *ds)
1336
{
1337
    union target_semun *target_su;
1338

    
1339
    switch( cmd ) {
1340
        case IPC_STAT:
1341
        case IPC_SET:
1342
           lock_user_struct(target_su, target_addr, 1);
1343
           target_to_host_semid_ds(ds,target_su->buf);
1344
           host_su->buf = ds;
1345
           unlock_user_struct(target_su, target_addr, 0);
1346
           break;
1347
        case GETVAL:
1348
        case SETVAL:
1349
           lock_user_struct(target_su, target_addr, 1);
1350
           host_su->val = tswapl(target_su->val);
1351
           unlock_user_struct(target_su, target_addr, 0);
1352
           break;
1353
        case GETALL:
1354
        case SETALL:
1355
           lock_user_struct(target_su, target_addr, 1);
1356
           *host_su->array = tswap16(*target_su->array);
1357
           unlock_user_struct(target_su, target_addr, 0);
1358
           break;
1359
        default:
1360
           gemu_log("semun operation not fully supported: %d\n", (int)cmd);
1361
    }
1362
}
1363

    
1364
static inline void host_to_target_semun(unsigned long cmd,
1365
                                        target_ulong target_addr,
1366
                                        union semun *host_su,
1367
                                        struct semid_ds *ds)
1368
{
1369
    union target_semun *target_su;
1370

    
1371
    switch( cmd ) {
1372
        case IPC_STAT:
1373
        case IPC_SET:
1374
           lock_user_struct(target_su, target_addr, 0);
1375
           host_to_target_semid_ds(target_su->buf,ds);
1376
           unlock_user_struct(target_su, target_addr, 1);
1377
           break;
1378
        case GETVAL:
1379
        case SETVAL:
1380
           lock_user_struct(target_su, target_addr, 0);
1381
           target_su->val = tswapl(host_su->val);
1382
           unlock_user_struct(target_su, target_addr, 1);
1383
           break;
1384
        case GETALL:
1385
        case SETALL:
1386
           lock_user_struct(target_su, target_addr, 0);
1387
           *target_su->array = tswap16(*host_su->array);
1388
           unlock_user_struct(target_su, target_addr, 1);
1389
           break;
1390
        default:
1391
           gemu_log("semun operation not fully supported: %d\n", (int)cmd);
1392
    }
1393
}
1394

    
1395
static inline long do_semctl(long first, long second, long third, long ptr)
1396
{
1397
    union semun arg;
1398
    struct semid_ds dsarg;
1399
    int cmd = third&0xff;
1400
    long ret = 0;
1401

    
1402
    switch( cmd ) {
1403
        case GETVAL:
1404
            target_to_host_semun(cmd,&arg,ptr,&dsarg);
1405
            ret = get_errno(semctl(first, second, cmd, arg));
1406
            host_to_target_semun(cmd,ptr,&arg,&dsarg);
1407
            break;
1408
        case SETVAL:
1409
            target_to_host_semun(cmd,&arg,ptr,&dsarg);
1410
            ret = get_errno(semctl(first, second, cmd, arg));
1411
            host_to_target_semun(cmd,ptr,&arg,&dsarg);
1412
            break;
1413
        case GETALL:
1414
            target_to_host_semun(cmd,&arg,ptr,&dsarg);
1415
            ret = get_errno(semctl(first, second, cmd, arg));
1416
            host_to_target_semun(cmd,ptr,&arg,&dsarg);
1417
            break;
1418
        case SETALL:
1419
            target_to_host_semun(cmd,&arg,ptr,&dsarg);
1420
            ret = get_errno(semctl(first, second, cmd, arg));
1421
            host_to_target_semun(cmd,ptr,&arg,&dsarg);
1422
            break;
1423
        case IPC_STAT:
1424
            target_to_host_semun(cmd,&arg,ptr,&dsarg);
1425
            ret = get_errno(semctl(first, second, cmd, arg));
1426
            host_to_target_semun(cmd,ptr,&arg,&dsarg);
1427
            break;
1428
        case IPC_SET:
1429
            target_to_host_semun(cmd,&arg,ptr,&dsarg);
1430
            ret = get_errno(semctl(first, second, cmd, arg));
1431
            host_to_target_semun(cmd,ptr,&arg,&dsarg);
1432
            break;
1433
    default:
1434
            ret = get_errno(semctl(first, second, cmd, arg));
1435
    }
1436

    
1437
    return ret;
1438
}
1439

    
1440
struct target_msqid_ds
1441
{
1442
  struct target_ipc_perm msg_perm;
1443
  target_ulong msg_stime;
1444
  target_ulong __unused1;
1445
  target_ulong msg_rtime;
1446
  target_ulong __unused2;
1447
  target_ulong msg_ctime;
1448
  target_ulong __unused3;
1449
  target_ulong __msg_cbytes;
1450
  target_ulong msg_qnum;
1451
  target_ulong msg_qbytes;
1452
  target_ulong msg_lspid;
1453
  target_ulong msg_lrpid;
1454
  target_ulong __unused4;
1455
  target_ulong __unused5;
1456
};
1457

    
1458
static inline void target_to_host_msqid_ds(struct msqid_ds *host_md,
1459
                                          target_ulong target_addr)
1460
{
1461
    struct target_msqid_ds *target_md;
1462

    
1463
    lock_user_struct(target_md, target_addr, 1);
1464
    target_to_host_ipc_perm(&(host_md->msg_perm),target_addr);
1465
    host_md->msg_stime = tswapl(target_md->msg_stime);
1466
    host_md->msg_rtime = tswapl(target_md->msg_rtime);
1467
    host_md->msg_ctime = tswapl(target_md->msg_ctime);
1468
    host_md->__msg_cbytes = tswapl(target_md->__msg_cbytes);
1469
    host_md->msg_qnum = tswapl(target_md->msg_qnum);
1470
    host_md->msg_qbytes = tswapl(target_md->msg_qbytes);
1471
    host_md->msg_lspid = tswapl(target_md->msg_lspid);
1472
    host_md->msg_lrpid = tswapl(target_md->msg_lrpid);
1473
    unlock_user_struct(target_md, target_addr, 0);
1474
}
1475

    
1476
static inline void host_to_target_msqid_ds(target_ulong target_addr,
1477
                                           struct msqid_ds *host_md)
1478
{
1479
    struct target_msqid_ds *target_md;
1480

    
1481
    lock_user_struct(target_md, target_addr, 0);
1482
    host_to_target_ipc_perm(target_addr,&(host_md->msg_perm));
1483
    target_md->msg_stime = tswapl(host_md->msg_stime);
1484
    target_md->msg_rtime = tswapl(host_md->msg_rtime);
1485
    target_md->msg_ctime = tswapl(host_md->msg_ctime);
1486
    target_md->__msg_cbytes = tswapl(host_md->__msg_cbytes);
1487
    target_md->msg_qnum = tswapl(host_md->msg_qnum);
1488
    target_md->msg_qbytes = tswapl(host_md->msg_qbytes);
1489
    target_md->msg_lspid = tswapl(host_md->msg_lspid);
1490
    target_md->msg_lrpid = tswapl(host_md->msg_lrpid);
1491
    unlock_user_struct(target_md, target_addr, 1);
1492
}
1493

    
1494
static inline long do_msgctl(long first, long second, long ptr)
1495
{
1496
    struct msqid_ds dsarg;
1497
    int cmd = second&0xff;
1498
    long ret = 0;
1499
    switch( cmd ) {
1500
    case IPC_STAT:
1501
    case IPC_SET:
1502
        target_to_host_msqid_ds(&dsarg,ptr);
1503
        ret = get_errno(msgctl(first, cmd, &dsarg));
1504
        host_to_target_msqid_ds(ptr,&dsarg);
1505
    default:
1506
        ret = get_errno(msgctl(first, cmd, &dsarg));
1507
    }
1508
    return ret;
1509
}
1510

    
1511
struct target_msgbuf {
1512
        target_ulong mtype;
1513
        char        mtext[1];
1514
};
1515

    
1516
static inline long do_msgsnd(long msqid, long msgp, long msgsz, long msgflg)
1517
{
1518
    struct target_msgbuf *target_mb;
1519
    struct msgbuf *host_mb;
1520
    long ret = 0;
1521

    
1522
    lock_user_struct(target_mb,msgp,0);
1523
    host_mb = malloc(msgsz+sizeof(long));
1524
    host_mb->mtype = tswapl(target_mb->mtype);
1525
    memcpy(host_mb->mtext,target_mb->mtext,msgsz);
1526
    ret = get_errno(msgsnd(msqid, host_mb, msgsz, msgflg));
1527
    free(host_mb);
1528
    unlock_user_struct(target_mb, msgp, 0);
1529

    
1530
    return ret;
1531
}
1532

    
1533
static inline long do_msgrcv(long msqid, long msgp, long msgsz, long msgtype, long msgflg)
1534
{
1535
    struct target_msgbuf *target_mb;
1536
    struct msgbuf *host_mb;
1537
    long ret = 0;
1538

    
1539
    lock_user_struct(target_mb, msgp, 0);
1540
    host_mb = malloc(msgsz+sizeof(long));
1541
    ret = get_errno(msgrcv(msqid, host_mb, msgsz, 1, msgflg));
1542
    if (ret > 0)
1543
            memcpy(target_mb->mtext, host_mb->mtext, ret);
1544
    target_mb->mtype = tswapl(host_mb->mtype);
1545
    free(host_mb);
1546
    unlock_user_struct(target_mb, msgp, 0);
1547

    
1548
    return ret;
1549
}
1550

    
1551
/* ??? This only works with linear mappings.  */
1552
static long do_ipc(long call, long first, long second, long third,
1553
                   long ptr, long fifth)
1554
{
1555
    int version;
1556
    long ret = 0;
1557
    unsigned long raddr;
1558
    struct shmid_ds shm_info;
1559
    int i;
1560

    
1561
    version = call >> 16;
1562
    call &= 0xffff;
1563

    
1564
    switch (call) {
1565
    case IPCOP_semop:
1566
        ret = get_errno(semop(first,(struct sembuf *) ptr, second));
1567
        break;
1568

    
1569
    case IPCOP_semget:
1570
        ret = get_errno(semget(first, second, third));
1571
        break;
1572

    
1573
    case IPCOP_semctl:
1574
        ret = do_semctl(first, second, third, ptr);
1575
        break;
1576

    
1577
    case IPCOP_semtimedop:
1578
        gemu_log("Unsupported ipc call: %ld (version %d)\n", call, version);
1579
        ret = -ENOSYS;
1580
        break;
1581

    
1582
        case IPCOP_msgget:
1583
                ret = get_errno(msgget(first, second));
1584
                break;
1585

    
1586
        case IPCOP_msgsnd:
1587
                ret = do_msgsnd(first, ptr, second, third);
1588
                break;
1589

    
1590
        case IPCOP_msgctl:
1591
                ret = do_msgctl(first, second, ptr);
1592
                break;
1593

    
1594
        case IPCOP_msgrcv:
1595
                {
1596
                      struct ipc_kludge
1597
                      {
1598
                              void *__unbounded msgp;
1599
                              long int msgtyp;
1600
                      };
1601

    
1602
                      struct ipc_kludge *foo = (struct ipc_kludge *) ptr;
1603
                      struct msgbuf *msgp = (struct msgbuf *) foo->msgp;
1604

    
1605
                      ret = do_msgrcv(first, (long)msgp, second, 0, third);
1606

    
1607
                }
1608
                break;
1609

    
1610
    case IPCOP_shmat:
1611
        /* SHM_* flags are the same on all linux platforms */
1612
        ret = get_errno((long) shmat(first, (void *) ptr, second));
1613
        if (is_error(ret))
1614
            break;
1615
        raddr = ret;
1616
        /* find out the length of the shared memory segment */
1617
        
1618
        ret = get_errno(shmctl(first, IPC_STAT, &shm_info));
1619
        if (is_error(ret)) {
1620
            /* can't get length, bail out */
1621
            shmdt((void *) raddr);
1622
            break;
1623
        }
1624
        page_set_flags(raddr, raddr + shm_info.shm_segsz,
1625
                       PAGE_VALID | PAGE_READ |
1626
                       ((second & SHM_RDONLY)? 0: PAGE_WRITE));
1627
        for (i = 0; i < N_SHM_REGIONS; ++i) {
1628
            if (shm_regions[i].start == 0) {
1629
                shm_regions[i].start = raddr;
1630
                shm_regions[i].size = shm_info.shm_segsz;
1631
                break;
1632
            }
1633
        }
1634
        if (put_user(raddr, (uint32_t *)third))
1635
            return -EFAULT;
1636
        ret = 0;
1637
        break;
1638
    case IPCOP_shmdt:
1639
        for (i = 0; i < N_SHM_REGIONS; ++i) {
1640
            if (shm_regions[i].start == ptr) {
1641
                shm_regions[i].start = 0;
1642
                page_set_flags(ptr, shm_regions[i].size, 0);
1643
                break;
1644
            }
1645
        }
1646
        ret = get_errno(shmdt((void *) ptr));
1647
        break;
1648

    
1649
    case IPCOP_shmget:
1650
        /* IPC_* flag values are the same on all linux platforms */
1651
        ret = get_errno(shmget(first, second, third));
1652
        break;
1653

    
1654
        /* IPC_* and SHM_* command values are the same on all linux platforms */
1655
    case IPCOP_shmctl:
1656
        switch(second) {
1657
        case IPC_RMID:
1658
        case SHM_LOCK:
1659
        case SHM_UNLOCK:
1660
            ret = get_errno(shmctl(first, second, NULL));
1661
            break;
1662
        default:
1663
            goto unimplemented;
1664
        }
1665
        break;
1666
    default:
1667
    unimplemented:
1668
        gemu_log("Unsupported ipc call: %ld (version %d)\n", call, version);
1669
        ret = -ENOSYS;
1670
        break;
1671
    }
1672
    return ret;
1673
}
1674

    
1675
/* kernel structure types definitions */
1676
#define IFNAMSIZ        16
1677

    
1678
#define STRUCT(name, list...) STRUCT_ ## name,
1679
#define STRUCT_SPECIAL(name) STRUCT_ ## name,
1680
enum {
1681
#include "syscall_types.h"
1682
};
1683
#undef STRUCT
1684
#undef STRUCT_SPECIAL
1685

    
1686
#define STRUCT(name, list...) const argtype struct_ ## name ## _def[] = { list, TYPE_NULL };
1687
#define STRUCT_SPECIAL(name)
1688
#include "syscall_types.h"
1689
#undef STRUCT
1690
#undef STRUCT_SPECIAL
1691

    
1692
typedef struct IOCTLEntry {
1693
    unsigned int target_cmd;
1694
    unsigned int host_cmd;
1695
    const char *name;
1696
    int access;
1697
    const argtype arg_type[5];
1698
} IOCTLEntry;
1699

    
1700
#define IOC_R 0x0001
1701
#define IOC_W 0x0002
1702
#define IOC_RW (IOC_R | IOC_W)
1703

    
1704
#define MAX_STRUCT_SIZE 4096
1705

    
1706
IOCTLEntry ioctl_entries[] = {
1707
#define IOCTL(cmd, access, types...) \
1708
    { TARGET_ ## cmd, cmd, #cmd, access, { types } },
1709
#include "ioctls.h"
1710
    { 0, 0, },
1711
};
1712

    
1713
/* ??? Implement proper locking for ioctls.  */
1714
static long do_ioctl(long fd, long cmd, long arg)
1715
{
1716
    const IOCTLEntry *ie;
1717
    const argtype *arg_type;
1718
    long ret;
1719
    uint8_t buf_temp[MAX_STRUCT_SIZE];
1720
    int target_size;
1721
    void *argptr;
1722

    
1723
    ie = ioctl_entries;
1724
    for(;;) {
1725
        if (ie->target_cmd == 0) {
1726
            gemu_log("Unsupported ioctl: cmd=0x%04lx\n", cmd);
1727
            return -ENOSYS;
1728
        }
1729
        if (ie->target_cmd == cmd)
1730
            break;
1731
        ie++;
1732
    }
1733
    arg_type = ie->arg_type;
1734
#if defined(DEBUG)
1735
    gemu_log("ioctl: cmd=0x%04lx (%s)\n", cmd, ie->name);
1736
#endif
1737
    switch(arg_type[0]) {
1738
    case TYPE_NULL:
1739
        /* no argument */
1740
        ret = get_errno(ioctl(fd, ie->host_cmd));
1741
        break;
1742
    case TYPE_PTRVOID:
1743
    case TYPE_INT:
1744
        /* int argment */
1745
        ret = get_errno(ioctl(fd, ie->host_cmd, arg));
1746
        break;
1747
    case TYPE_PTR:
1748
        arg_type++;
1749
        target_size = thunk_type_size(arg_type, 0);
1750
        switch(ie->access) {
1751
        case IOC_R:
1752
            ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp));
1753
            if (!is_error(ret)) {
1754
                argptr = lock_user(arg, target_size, 0);
1755
                thunk_convert(argptr, buf_temp, arg_type, THUNK_TARGET);
1756
                unlock_user(argptr, arg, target_size);
1757
            }
1758
            break;
1759
        case IOC_W:
1760
            argptr = lock_user(arg, target_size, 1);
1761
            thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST);
1762
            unlock_user(argptr, arg, 0);
1763
            ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp));
1764
            break;
1765
        default:
1766
        case IOC_RW:
1767
            argptr = lock_user(arg, target_size, 1);
1768
            thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST);
1769
            unlock_user(argptr, arg, 0);
1770
            ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp));
1771
            if (!is_error(ret)) {
1772
                argptr = lock_user(arg, target_size, 0);
1773
                thunk_convert(argptr, buf_temp, arg_type, THUNK_TARGET);
1774
                unlock_user(argptr, arg, target_size);
1775
            }
1776
            break;
1777
        }
1778
        break;
1779
    default:
1780
        gemu_log("Unsupported ioctl type: cmd=0x%04lx type=%d\n", cmd, arg_type[0]);
1781
        ret = -ENOSYS;
1782
        break;
1783
    }
1784
    return ret;
1785
}
1786

    
1787
bitmask_transtbl iflag_tbl[] = {
1788
        { TARGET_IGNBRK, TARGET_IGNBRK, IGNBRK, IGNBRK },
1789
        { TARGET_BRKINT, TARGET_BRKINT, BRKINT, BRKINT },
1790
        { TARGET_IGNPAR, TARGET_IGNPAR, IGNPAR, IGNPAR },
1791
        { TARGET_PARMRK, TARGET_PARMRK, PARMRK, PARMRK },
1792
        { TARGET_INPCK, TARGET_INPCK, INPCK, INPCK },
1793
        { TARGET_ISTRIP, TARGET_ISTRIP, ISTRIP, ISTRIP },
1794
        { TARGET_INLCR, TARGET_INLCR, INLCR, INLCR },
1795
        { TARGET_IGNCR, TARGET_IGNCR, IGNCR, IGNCR },
1796
        { TARGET_ICRNL, TARGET_ICRNL, ICRNL, ICRNL },
1797
        { TARGET_IUCLC, TARGET_IUCLC, IUCLC, IUCLC },
1798
        { TARGET_IXON, TARGET_IXON, IXON, IXON },
1799
        { TARGET_IXANY, TARGET_IXANY, IXANY, IXANY },
1800
        { TARGET_IXOFF, TARGET_IXOFF, IXOFF, IXOFF },
1801
        { TARGET_IMAXBEL, TARGET_IMAXBEL, IMAXBEL, IMAXBEL },
1802
        { 0, 0, 0, 0 }
1803
};
1804

    
1805
bitmask_transtbl oflag_tbl[] = {
1806
        { TARGET_OPOST, TARGET_OPOST, OPOST, OPOST },
1807
        { TARGET_OLCUC, TARGET_OLCUC, OLCUC, OLCUC },
1808
        { TARGET_ONLCR, TARGET_ONLCR, ONLCR, ONLCR },
1809
        { TARGET_OCRNL, TARGET_OCRNL, OCRNL, OCRNL },
1810
        { TARGET_ONOCR, TARGET_ONOCR, ONOCR, ONOCR },
1811
        { TARGET_ONLRET, TARGET_ONLRET, ONLRET, ONLRET },
1812
        { TARGET_OFILL, TARGET_OFILL, OFILL, OFILL },
1813
        { TARGET_OFDEL, TARGET_OFDEL, OFDEL, OFDEL },
1814
        { TARGET_NLDLY, TARGET_NL0, NLDLY, NL0 },
1815
        { TARGET_NLDLY, TARGET_NL1, NLDLY, NL1 },
1816
        { TARGET_CRDLY, TARGET_CR0, CRDLY, CR0 },
1817
        { TARGET_CRDLY, TARGET_CR1, CRDLY, CR1 },
1818
        { TARGET_CRDLY, TARGET_CR2, CRDLY, CR2 },
1819
        { TARGET_CRDLY, TARGET_CR3, CRDLY, CR3 },
1820
        { TARGET_TABDLY, TARGET_TAB0, TABDLY, TAB0 },
1821
        { TARGET_TABDLY, TARGET_TAB1, TABDLY, TAB1 },
1822
        { TARGET_TABDLY, TARGET_TAB2, TABDLY, TAB2 },
1823
        { TARGET_TABDLY, TARGET_TAB3, TABDLY, TAB3 },
1824
        { TARGET_BSDLY, TARGET_BS0, BSDLY, BS0 },
1825
        { TARGET_BSDLY, TARGET_BS1, BSDLY, BS1 },
1826
        { TARGET_VTDLY, TARGET_VT0, VTDLY, VT0 },
1827
        { TARGET_VTDLY, TARGET_VT1, VTDLY, VT1 },
1828
        { TARGET_FFDLY, TARGET_FF0, FFDLY, FF0 },
1829
        { TARGET_FFDLY, TARGET_FF1, FFDLY, FF1 },
1830
        { 0, 0, 0, 0 }
1831
};
1832

    
1833
bitmask_transtbl cflag_tbl[] = {
1834
        { TARGET_CBAUD, TARGET_B0, CBAUD, B0 },
1835
        { TARGET_CBAUD, TARGET_B50, CBAUD, B50 },
1836
        { TARGET_CBAUD, TARGET_B75, CBAUD, B75 },
1837
        { TARGET_CBAUD, TARGET_B110, CBAUD, B110 },
1838
        { TARGET_CBAUD, TARGET_B134, CBAUD, B134 },
1839
        { TARGET_CBAUD, TARGET_B150, CBAUD, B150 },
1840
        { TARGET_CBAUD, TARGET_B200, CBAUD, B200 },
1841
        { TARGET_CBAUD, TARGET_B300, CBAUD, B300 },
1842
        { TARGET_CBAUD, TARGET_B600, CBAUD, B600 },
1843
        { TARGET_CBAUD, TARGET_B1200, CBAUD, B1200 },
1844
        { TARGET_CBAUD, TARGET_B1800, CBAUD, B1800 },
1845
        { TARGET_CBAUD, TARGET_B2400, CBAUD, B2400 },
1846
        { TARGET_CBAUD, TARGET_B4800, CBAUD, B4800 },
1847
        { TARGET_CBAUD, TARGET_B9600, CBAUD, B9600 },
1848
        { TARGET_CBAUD, TARGET_B19200, CBAUD, B19200 },
1849
        { TARGET_CBAUD, TARGET_B38400, CBAUD, B38400 },
1850
        { TARGET_CBAUD, TARGET_B57600, CBAUD, B57600 },
1851
        { TARGET_CBAUD, TARGET_B115200, CBAUD, B115200 },
1852
        { TARGET_CBAUD, TARGET_B230400, CBAUD, B230400 },
1853
        { TARGET_CBAUD, TARGET_B460800, CBAUD, B460800 },
1854
        { TARGET_CSIZE, TARGET_CS5, CSIZE, CS5 },
1855
        { TARGET_CSIZE, TARGET_CS6, CSIZE, CS6 },
1856
        { TARGET_CSIZE, TARGET_CS7, CSIZE, CS7 },
1857
        { TARGET_CSIZE, TARGET_CS8, CSIZE, CS8 },
1858
        { TARGET_CSTOPB, TARGET_CSTOPB, CSTOPB, CSTOPB },
1859
        { TARGET_CREAD, TARGET_CREAD, CREAD, CREAD },
1860
        { TARGET_PARENB, TARGET_PARENB, PARENB, PARENB },
1861
        { TARGET_PARODD, TARGET_PARODD, PARODD, PARODD },
1862
        { TARGET_HUPCL, TARGET_HUPCL, HUPCL, HUPCL },
1863
        { TARGET_CLOCAL, TARGET_CLOCAL, CLOCAL, CLOCAL },
1864
        { TARGET_CRTSCTS, TARGET_CRTSCTS, CRTSCTS, CRTSCTS },
1865
        { 0, 0, 0, 0 }
1866
};
1867

    
1868
bitmask_transtbl lflag_tbl[] = {
1869
        { TARGET_ISIG, TARGET_ISIG, ISIG, ISIG },
1870
        { TARGET_ICANON, TARGET_ICANON, ICANON, ICANON },
1871
        { TARGET_XCASE, TARGET_XCASE, XCASE, XCASE },
1872
        { TARGET_ECHO, TARGET_ECHO, ECHO, ECHO },
1873
        { TARGET_ECHOE, TARGET_ECHOE, ECHOE, ECHOE },
1874
        { TARGET_ECHOK, TARGET_ECHOK, ECHOK, ECHOK },
1875
        { TARGET_ECHONL, TARGET_ECHONL, ECHONL, ECHONL },
1876
        { TARGET_NOFLSH, TARGET_NOFLSH, NOFLSH, NOFLSH },
1877
        { TARGET_TOSTOP, TARGET_TOSTOP, TOSTOP, TOSTOP },
1878
        { TARGET_ECHOCTL, TARGET_ECHOCTL, ECHOCTL, ECHOCTL },
1879
        { TARGET_ECHOPRT, TARGET_ECHOPRT, ECHOPRT, ECHOPRT },
1880
        { TARGET_ECHOKE, TARGET_ECHOKE, ECHOKE, ECHOKE },
1881
        { TARGET_FLUSHO, TARGET_FLUSHO, FLUSHO, FLUSHO },
1882
        { TARGET_PENDIN, TARGET_PENDIN, PENDIN, PENDIN },
1883
        { TARGET_IEXTEN, TARGET_IEXTEN, IEXTEN, IEXTEN },
1884
        { 0, 0, 0, 0 }
1885
};
1886

    
1887
static void target_to_host_termios (void *dst, const void *src)
1888
{
1889
    struct host_termios *host = dst;
1890
    const struct target_termios *target = src;
1891
    
1892
    host->c_iflag = 
1893
        target_to_host_bitmask(tswap32(target->c_iflag), iflag_tbl);
1894
    host->c_oflag = 
1895
        target_to_host_bitmask(tswap32(target->c_oflag), oflag_tbl);
1896
    host->c_cflag = 
1897
        target_to_host_bitmask(tswap32(target->c_cflag), cflag_tbl);
1898
    host->c_lflag = 
1899
        target_to_host_bitmask(tswap32(target->c_lflag), lflag_tbl);
1900
    host->c_line = target->c_line;
1901
    
1902
    host->c_cc[VINTR] = target->c_cc[TARGET_VINTR]; 
1903
    host->c_cc[VQUIT] = target->c_cc[TARGET_VQUIT]; 
1904
    host->c_cc[VERASE] = target->c_cc[TARGET_VERASE];       
1905
    host->c_cc[VKILL] = target->c_cc[TARGET_VKILL]; 
1906
    host->c_cc[VEOF] = target->c_cc[TARGET_VEOF];   
1907
    host->c_cc[VTIME] = target->c_cc[TARGET_VTIME]; 
1908
    host->c_cc[VMIN] = target->c_cc[TARGET_VMIN];   
1909
    host->c_cc[VSWTC] = target->c_cc[TARGET_VSWTC]; 
1910
    host->c_cc[VSTART] = target->c_cc[TARGET_VSTART];       
1911
    host->c_cc[VSTOP] = target->c_cc[TARGET_VSTOP]; 
1912
    host->c_cc[VSUSP] = target->c_cc[TARGET_VSUSP]; 
1913
    host->c_cc[VEOL] = target->c_cc[TARGET_VEOL];   
1914
    host->c_cc[VREPRINT] = target->c_cc[TARGET_VREPRINT];   
1915
    host->c_cc[VDISCARD] = target->c_cc[TARGET_VDISCARD];   
1916
    host->c_cc[VWERASE] = target->c_cc[TARGET_VWERASE];     
1917
    host->c_cc[VLNEXT] = target->c_cc[TARGET_VLNEXT];       
1918
    host->c_cc[VEOL2] = target->c_cc[TARGET_VEOL2]; 
1919
}
1920
  
1921
static void host_to_target_termios (void *dst, const void *src)
1922
{
1923
    struct target_termios *target = dst;
1924
    const struct host_termios *host = src;
1925

    
1926
    target->c_iflag = 
1927
        tswap32(host_to_target_bitmask(host->c_iflag, iflag_tbl));
1928
    target->c_oflag = 
1929
        tswap32(host_to_target_bitmask(host->c_oflag, oflag_tbl));
1930
    target->c_cflag = 
1931
        tswap32(host_to_target_bitmask(host->c_cflag, cflag_tbl));
1932
    target->c_lflag = 
1933
        tswap32(host_to_target_bitmask(host->c_lflag, lflag_tbl));
1934
    target->c_line = host->c_line;
1935
  
1936
    target->c_cc[TARGET_VINTR] = host->c_cc[VINTR];
1937
    target->c_cc[TARGET_VQUIT] = host->c_cc[VQUIT];
1938
    target->c_cc[TARGET_VERASE] = host->c_cc[VERASE];
1939
    target->c_cc[TARGET_VKILL] = host->c_cc[VKILL];
1940
    target->c_cc[TARGET_VEOF] = host->c_cc[VEOF];
1941
    target->c_cc[TARGET_VTIME] = host->c_cc[VTIME];
1942
    target->c_cc[TARGET_VMIN] = host->c_cc[VMIN];
1943
    target->c_cc[TARGET_VSWTC] = host->c_cc[VSWTC];
1944
    target->c_cc[TARGET_VSTART] = host->c_cc[VSTART];
1945
    target->c_cc[TARGET_VSTOP] = host->c_cc[VSTOP];
1946
    target->c_cc[TARGET_VSUSP] = host->c_cc[VSUSP];
1947
    target->c_cc[TARGET_VEOL] = host->c_cc[VEOL];
1948
    target->c_cc[TARGET_VREPRINT] = host->c_cc[VREPRINT];
1949
    target->c_cc[TARGET_VDISCARD] = host->c_cc[VDISCARD];
1950
    target->c_cc[TARGET_VWERASE] = host->c_cc[VWERASE];
1951
    target->c_cc[TARGET_VLNEXT] = host->c_cc[VLNEXT];
1952
    target->c_cc[TARGET_VEOL2] = host->c_cc[VEOL2];
1953
}
1954

    
1955
StructEntry struct_termios_def = {
1956
    .convert = { host_to_target_termios, target_to_host_termios },
1957
    .size = { sizeof(struct target_termios), sizeof(struct host_termios) },
1958
    .align = { __alignof__(struct target_termios), __alignof__(struct host_termios) },
1959
};
1960

    
1961
static bitmask_transtbl mmap_flags_tbl[] = {
1962
        { TARGET_MAP_SHARED, TARGET_MAP_SHARED, MAP_SHARED, MAP_SHARED },
1963
        { TARGET_MAP_PRIVATE, TARGET_MAP_PRIVATE, MAP_PRIVATE, MAP_PRIVATE },
1964
        { TARGET_MAP_FIXED, TARGET_MAP_FIXED, MAP_FIXED, MAP_FIXED },
1965
        { TARGET_MAP_ANONYMOUS, TARGET_MAP_ANONYMOUS, MAP_ANONYMOUS, MAP_ANONYMOUS },
1966
        { TARGET_MAP_GROWSDOWN, TARGET_MAP_GROWSDOWN, MAP_GROWSDOWN, MAP_GROWSDOWN },
1967
        { TARGET_MAP_DENYWRITE, TARGET_MAP_DENYWRITE, MAP_DENYWRITE, MAP_DENYWRITE },
1968
        { TARGET_MAP_EXECUTABLE, TARGET_MAP_EXECUTABLE, MAP_EXECUTABLE, MAP_EXECUTABLE },
1969
        { TARGET_MAP_LOCKED, TARGET_MAP_LOCKED, MAP_LOCKED, MAP_LOCKED },
1970
        { 0, 0, 0, 0 }
1971
};
1972

    
1973
static bitmask_transtbl fcntl_flags_tbl[] = {
1974
        { TARGET_O_ACCMODE,   TARGET_O_WRONLY,    O_ACCMODE,   O_WRONLY,    },
1975
        { TARGET_O_ACCMODE,   TARGET_O_RDWR,      O_ACCMODE,   O_RDWR,      },
1976
        { TARGET_O_CREAT,     TARGET_O_CREAT,     O_CREAT,     O_CREAT,     },
1977
        { TARGET_O_EXCL,      TARGET_O_EXCL,      O_EXCL,      O_EXCL,      },
1978
        { TARGET_O_NOCTTY,    TARGET_O_NOCTTY,    O_NOCTTY,    O_NOCTTY,    },
1979
        { TARGET_O_TRUNC,     TARGET_O_TRUNC,     O_TRUNC,     O_TRUNC,     },
1980
        { TARGET_O_APPEND,    TARGET_O_APPEND,    O_APPEND,    O_APPEND,    },
1981
        { TARGET_O_NONBLOCK,  TARGET_O_NONBLOCK,  O_NONBLOCK,  O_NONBLOCK,  },
1982
        { TARGET_O_SYNC,      TARGET_O_SYNC,      O_SYNC,      O_SYNC,      },
1983
        { TARGET_FASYNC,      TARGET_FASYNC,      FASYNC,      FASYNC,      },
1984
        { TARGET_O_DIRECTORY, TARGET_O_DIRECTORY, O_DIRECTORY, O_DIRECTORY, },
1985
        { TARGET_O_NOFOLLOW,  TARGET_O_NOFOLLOW,  O_NOFOLLOW,  O_NOFOLLOW,  },
1986
        { TARGET_O_LARGEFILE, TARGET_O_LARGEFILE, O_LARGEFILE, O_LARGEFILE, },
1987
#if defined(O_DIRECT)
1988
        { TARGET_O_DIRECT,    TARGET_O_DIRECT,    O_DIRECT,    O_DIRECT,    },
1989
#endif
1990
        { 0, 0, 0, 0 }
1991
};
1992

    
1993
#if defined(TARGET_I386)
1994

    
1995
/* NOTE: there is really one LDT for all the threads */
1996
uint8_t *ldt_table;
1997

    
1998
static int read_ldt(target_ulong ptr, unsigned long bytecount)
1999
{
2000
    int size;
2001
    void *p;
2002

    
2003
    if (!ldt_table)
2004
        return 0;
2005
    size = TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE;
2006
    if (size > bytecount)
2007
        size = bytecount;
2008
    p = lock_user(ptr, size, 0);
2009
    /* ??? Shoudl this by byteswapped?  */
2010
    memcpy(p, ldt_table, size);
2011
    unlock_user(p, ptr, size);
2012
    return size;
2013
}
2014

    
2015
/* XXX: add locking support */
2016
static int write_ldt(CPUX86State *env, 
2017
                     target_ulong ptr, unsigned long bytecount, int oldmode)
2018
{
2019
    struct target_modify_ldt_ldt_s ldt_info;
2020
    struct target_modify_ldt_ldt_s *target_ldt_info;
2021
    int seg_32bit, contents, read_exec_only, limit_in_pages;
2022
    int seg_not_present, useable;
2023
    uint32_t *lp, entry_1, entry_2;
2024

    
2025
    if (bytecount != sizeof(ldt_info))
2026
        return -EINVAL;
2027
    lock_user_struct(target_ldt_info, ptr, 1);
2028
    ldt_info.entry_number = tswap32(target_ldt_info->entry_number);
2029
    ldt_info.base_addr = tswapl(target_ldt_info->base_addr);
2030
    ldt_info.limit = tswap32(target_ldt_info->limit);
2031
    ldt_info.flags = tswap32(target_ldt_info->flags);
2032
    unlock_user_struct(target_ldt_info, ptr, 0);
2033
    
2034
    if (ldt_info.entry_number >= TARGET_LDT_ENTRIES)
2035
        return -EINVAL;
2036
    seg_32bit = ldt_info.flags & 1;
2037
    contents = (ldt_info.flags >> 1) & 3;
2038
    read_exec_only = (ldt_info.flags >> 3) & 1;
2039
    limit_in_pages = (ldt_info.flags >> 4) & 1;
2040
    seg_not_present = (ldt_info.flags >> 5) & 1;
2041
    useable = (ldt_info.flags >> 6) & 1;
2042

    
2043
    if (contents == 3) {
2044
        if (oldmode)
2045
            return -EINVAL;
2046
        if (seg_not_present == 0)
2047
            return -EINVAL;
2048
    }
2049
    /* allocate the LDT */
2050
    if (!ldt_table) {
2051
        ldt_table = malloc(TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE);
2052
        if (!ldt_table)
2053
            return -ENOMEM;
2054
        memset(ldt_table, 0, TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE);
2055
        env->ldt.base = h2g(ldt_table);
2056
        env->ldt.limit = 0xffff;
2057
    }
2058

    
2059
    /* NOTE: same code as Linux kernel */
2060
    /* Allow LDTs to be cleared by the user. */
2061
    if (ldt_info.base_addr == 0 && ldt_info.limit == 0) {
2062
        if (oldmode ||
2063
            (contents == 0                &&
2064
             read_exec_only == 1        &&
2065
             seg_32bit == 0                &&
2066
             limit_in_pages == 0        &&
2067
             seg_not_present == 1        &&
2068
             useable == 0 )) {
2069
            entry_1 = 0;
2070
            entry_2 = 0;
2071
            goto install;
2072
        }
2073
    }
2074
    
2075
    entry_1 = ((ldt_info.base_addr & 0x0000ffff) << 16) |
2076
        (ldt_info.limit & 0x0ffff);
2077
    entry_2 = (ldt_info.base_addr & 0xff000000) |
2078
        ((ldt_info.base_addr & 0x00ff0000) >> 16) |
2079
        (ldt_info.limit & 0xf0000) |
2080
        ((read_exec_only ^ 1) << 9) |
2081
        (contents << 10) |
2082
        ((seg_not_present ^ 1) << 15) |
2083
        (seg_32bit << 22) |
2084
        (limit_in_pages << 23) |
2085
        0x7000;
2086
    if (!oldmode)
2087
        entry_2 |= (useable << 20);
2088

    
2089
    /* Install the new entry ...  */
2090
install:
2091
    lp = (uint32_t *)(ldt_table + (ldt_info.entry_number << 3));
2092
    lp[0] = tswap32(entry_1);
2093
    lp[1] = tswap32(entry_2);
2094
    return 0;
2095
}
2096

    
2097
/* specific and weird i386 syscalls */
2098
int do_modify_ldt(CPUX86State *env, int func, target_ulong ptr, unsigned long bytecount)
2099
{
2100
    int ret = -ENOSYS;
2101
    
2102
    switch (func) {
2103
    case 0:
2104
        ret = read_ldt(ptr, bytecount);
2105
        break;
2106
    case 1:
2107
        ret = write_ldt(env, ptr, bytecount, 1);
2108
        break;
2109
    case 0x11:
2110
        ret = write_ldt(env, ptr, bytecount, 0);
2111
        break;
2112
    }
2113
    return ret;
2114
}
2115

    
2116
#endif /* defined(TARGET_I386) */
2117

    
2118
/* this stack is the equivalent of the kernel stack associated with a
2119
   thread/process */
2120
#define NEW_STACK_SIZE 8192
2121

    
2122
static int clone_func(void *arg)
2123
{
2124
    CPUState *env = arg;
2125
    cpu_loop(env);
2126
    /* never exits */
2127
    return 0;
2128
}
2129

    
2130
int do_fork(CPUState *env, unsigned int flags, unsigned long newsp)
2131
{
2132
    int ret;
2133
    TaskState *ts;
2134
    uint8_t *new_stack;
2135
    CPUState *new_env;
2136
    
2137
    if (flags & CLONE_VM) {
2138
        ts = malloc(sizeof(TaskState) + NEW_STACK_SIZE);
2139
        memset(ts, 0, sizeof(TaskState));
2140
        new_stack = ts->stack;
2141
        ts->used = 1;
2142
        /* add in task state list */
2143
        ts->next = first_task_state;
2144
        first_task_state = ts;
2145
        /* we create a new CPU instance. */
2146
        new_env = cpu_copy(env);
2147
#if defined(TARGET_I386)
2148
        if (!newsp)
2149
            newsp = env->regs[R_ESP];
2150
        new_env->regs[R_ESP] = newsp;
2151
        new_env->regs[R_EAX] = 0;
2152
#elif defined(TARGET_ARM)
2153
        if (!newsp)
2154
            newsp = env->regs[13];
2155
        new_env->regs[13] = newsp;
2156
        new_env->regs[0] = 0;
2157
#elif defined(TARGET_SPARC)
2158
        if (!newsp)
2159
            newsp = env->regwptr[22];
2160
        new_env->regwptr[22] = newsp;
2161
        new_env->regwptr[0] = 0;
2162
        /* XXXXX */
2163
        printf ("HELPME: %s:%d\n", __FILE__, __LINE__);
2164
#elif defined(TARGET_M68K)
2165
        if (!newsp)
2166
            newsp = env->aregs[7];
2167
        new_env->aregs[7] = newsp;
2168
        new_env->dregs[0] = 0;
2169
        /* ??? is this sufficient?  */
2170
#elif defined(TARGET_MIPS)
2171
        if (!newsp)
2172
            newsp = env->gpr[29];
2173
        new_env->gpr[29] = newsp;
2174
#elif defined(TARGET_PPC)
2175
        if (!newsp)
2176
            newsp = env->gpr[1];
2177
        new_env->gpr[1] = newsp;
2178
        { 
2179
            int i;
2180
            for (i = 7; i < 32; i++)
2181
                new_env->gpr[i] = 0;
2182
        }
2183
#elif defined(TARGET_SH4)
2184
        if (!newsp)
2185
          newsp = env->gregs[15];
2186
        new_env->gregs[15] = newsp;
2187
        /* XXXXX */
2188
#elif defined(TARGET_ALPHA)
2189
       if (!newsp)
2190
         newsp = env->ir[30];
2191
       new_env->ir[30] = newsp;
2192
        /* ? */
2193
        {
2194
            int i;
2195
            for (i = 7; i < 30; i++)
2196
                new_env->ir[i] = 0;
2197
        }
2198
#else
2199
#error unsupported target CPU
2200
#endif
2201
        new_env->opaque = ts;
2202
#ifdef __ia64__
2203
        ret = __clone2(clone_func, new_stack + NEW_STACK_SIZE, flags, new_env);
2204
#else
2205
        ret = clone(clone_func, new_stack + NEW_STACK_SIZE, flags, new_env);
2206
#endif
2207
    } else {
2208
        /* if no CLONE_VM, we consider it is a fork */
2209
        if ((flags & ~CSIGNAL) != 0)
2210
            return -EINVAL;
2211
        ret = fork();
2212
    }
2213
    return ret;
2214
}
2215

    
2216
static long do_fcntl(int fd, int cmd, target_ulong arg)
2217
{
2218
    struct flock fl;
2219
    struct target_flock *target_fl;
2220
    struct flock64 fl64;
2221
    struct target_flock64 *target_fl64;
2222
    long ret;
2223

    
2224
    switch(cmd) {
2225
    case TARGET_F_GETLK:
2226
        lock_user_struct(target_fl, arg, 1);
2227
        fl.l_type = tswap16(target_fl->l_type);
2228
        fl.l_whence = tswap16(target_fl->l_whence);
2229
        fl.l_start = tswapl(target_fl->l_start);
2230
        fl.l_len = tswapl(target_fl->l_len);
2231
        fl.l_pid = tswapl(target_fl->l_pid);
2232
        unlock_user_struct(target_fl, arg, 0);
2233
        ret = fcntl(fd, cmd, &fl);
2234
        if (ret == 0) {
2235
            lock_user_struct(target_fl, arg, 0);
2236
            target_fl->l_type = tswap16(fl.l_type);
2237
            target_fl->l_whence = tswap16(fl.l_whence);
2238
            target_fl->l_start = tswapl(fl.l_start);
2239
            target_fl->l_len = tswapl(fl.l_len);
2240
            target_fl->l_pid = tswapl(fl.l_pid);
2241
            unlock_user_struct(target_fl, arg, 1);
2242
        }
2243
        break;
2244
        
2245
    case TARGET_F_SETLK:
2246
    case TARGET_F_SETLKW:
2247
        lock_user_struct(target_fl, arg, 1);
2248
        fl.l_type = tswap16(target_fl->l_type);
2249
        fl.l_whence = tswap16(target_fl->l_whence);
2250
        fl.l_start = tswapl(target_fl->l_start);
2251
        fl.l_len = tswapl(target_fl->l_len);
2252
        fl.l_pid = tswapl(target_fl->l_pid);
2253
        unlock_user_struct(target_fl, arg, 0);
2254
        ret = fcntl(fd, cmd, &fl);
2255
        break;
2256
        
2257
    case TARGET_F_GETLK64:
2258
        lock_user_struct(target_fl64, arg, 1);
2259
        fl64.l_type = tswap16(target_fl64->l_type) >> 1;
2260
        fl64.l_whence = tswap16(target_fl64->l_whence);
2261
        fl64.l_start = tswapl(target_fl64->l_start);
2262
        fl64.l_len = tswapl(target_fl64->l_len);
2263
        fl64.l_pid = tswap16(target_fl64->l_pid);
2264
        unlock_user_struct(target_fl64, arg, 0);
2265
        ret = fcntl(fd, cmd >> 1, &fl64);
2266
        if (ret == 0) {
2267
            lock_user_struct(target_fl64, arg, 0);
2268
            target_fl64->l_type = tswap16(fl64.l_type) >> 1;
2269
            target_fl64->l_whence = tswap16(fl64.l_whence);
2270
            target_fl64->l_start = tswapl(fl64.l_start);
2271
            target_fl64->l_len = tswapl(fl64.l_len);
2272
            target_fl64->l_pid = tswapl(fl64.l_pid);
2273
            unlock_user_struct(target_fl64, arg, 1);
2274
        }
2275
                break;
2276
    case TARGET_F_SETLK64:
2277
    case TARGET_F_SETLKW64:
2278
        lock_user_struct(target_fl64, arg, 1);
2279
        fl64.l_type = tswap16(target_fl64->l_type) >> 1;
2280
        fl64.l_whence = tswap16(target_fl64->l_whence);
2281
        fl64.l_start = tswapl(target_fl64->l_start);
2282
        fl64.l_len = tswapl(target_fl64->l_len);
2283
        fl64.l_pid = tswap16(target_fl64->l_pid);
2284
        unlock_user_struct(target_fl64, arg, 0);
2285
                ret = fcntl(fd, cmd >> 1, &fl64);
2286
        break;
2287

    
2288
    case F_GETFL:
2289
        ret = fcntl(fd, cmd, arg);
2290
        ret = host_to_target_bitmask(ret, fcntl_flags_tbl);
2291
        break;
2292

    
2293
    case F_SETFL:
2294
        ret = fcntl(fd, cmd, target_to_host_bitmask(arg, fcntl_flags_tbl));
2295
        break;
2296

    
2297
    default:
2298
        ret = fcntl(fd, cmd, arg);
2299
        break;
2300
    }
2301
    return ret;
2302
}
2303

    
2304
#ifdef USE_UID16
2305

    
2306
static inline int high2lowuid(int uid)
2307
{
2308
    if (uid > 65535)
2309
        return 65534;
2310
    else
2311
        return uid;
2312
}
2313

    
2314
static inline int high2lowgid(int gid)
2315
{
2316
    if (gid > 65535)
2317
        return 65534;
2318
    else
2319
        return gid;
2320
}
2321

    
2322
static inline int low2highuid(int uid)
2323
{
2324
    if ((int16_t)uid == -1)
2325
        return -1;
2326
    else
2327
        return uid;
2328
}
2329

    
2330
static inline int low2highgid(int gid)
2331
{
2332
    if ((int16_t)gid == -1)
2333
        return -1;
2334
    else
2335
        return gid;
2336
}
2337

    
2338
#endif /* USE_UID16 */
2339

    
2340
void syscall_init(void)
2341
{
2342
    IOCTLEntry *ie;
2343
    const argtype *arg_type;
2344
    int size;
2345

    
2346
#define STRUCT(name, list...) thunk_register_struct(STRUCT_ ## name, #name, struct_ ## name ## _def); 
2347
#define STRUCT_SPECIAL(name) thunk_register_struct_direct(STRUCT_ ## name, #name, &struct_ ## name ## _def); 
2348
#include "syscall_types.h"
2349
#undef STRUCT
2350
#undef STRUCT_SPECIAL
2351

    
2352
    /* we patch the ioctl size if necessary. We rely on the fact that
2353
       no ioctl has all the bits at '1' in the size field */
2354
    ie = ioctl_entries;
2355
    while (ie->target_cmd != 0) {
2356
        if (((ie->target_cmd >> TARGET_IOC_SIZESHIFT) & TARGET_IOC_SIZEMASK) ==
2357
            TARGET_IOC_SIZEMASK) {
2358
            arg_type = ie->arg_type;
2359
            if (arg_type[0] != TYPE_PTR) {
2360
                fprintf(stderr, "cannot patch size for ioctl 0x%x\n", 
2361
                        ie->target_cmd);
2362
                exit(1);
2363
            }
2364
            arg_type++;
2365
            size = thunk_type_size(arg_type, 0);
2366
            ie->target_cmd = (ie->target_cmd & 
2367
                              ~(TARGET_IOC_SIZEMASK << TARGET_IOC_SIZESHIFT)) |
2368
                (size << TARGET_IOC_SIZESHIFT);
2369
        }
2370
        /* automatic consistency check if same arch */
2371
#if defined(__i386__) && defined(TARGET_I386)
2372
        if (ie->target_cmd != ie->host_cmd) {
2373
            fprintf(stderr, "ERROR: ioctl: target=0x%x host=0x%x\n", 
2374
                    ie->target_cmd, ie->host_cmd);
2375
        }
2376
#endif
2377
        ie++;
2378
    }
2379
}
2380

    
2381
static inline uint64_t target_offset64(uint32_t word0, uint32_t word1)
2382
{
2383
#ifdef TARGET_WORDS_BIG_ENDIAN
2384
    return ((uint64_t)word0 << 32) | word1;
2385
#else
2386
    return ((uint64_t)word1 << 32) | word0;
2387
#endif
2388
}
2389

    
2390
#ifdef TARGET_NR_truncate64
2391
static inline long target_truncate64(void *cpu_env, const char *arg1,
2392
                                     long arg2, long arg3, long arg4)
2393
{
2394
#ifdef TARGET_ARM
2395
    if (((CPUARMState *)cpu_env)->eabi)
2396
      {
2397
        arg2 = arg3;
2398
        arg3 = arg4;
2399
      }
2400
#endif
2401
    return get_errno(truncate64(arg1, target_offset64(arg2, arg3)));
2402
}
2403
#endif
2404

    
2405
#ifdef TARGET_NR_ftruncate64
2406
static inline long target_ftruncate64(void *cpu_env, long arg1, long arg2,
2407
                                      long arg3, long arg4)
2408
{
2409
#ifdef TARGET_ARM
2410
    if (((CPUARMState *)cpu_env)->eabi)
2411
      {
2412
        arg2 = arg3;
2413
        arg3 = arg4;
2414
      }
2415
#endif
2416
    return get_errno(ftruncate64(arg1, target_offset64(arg2, arg3)));
2417
}
2418
#endif
2419

    
2420
static inline void target_to_host_timespec(struct timespec *host_ts,
2421
                                           target_ulong target_addr)
2422
{
2423
    struct target_timespec *target_ts;
2424

    
2425
    lock_user_struct(target_ts, target_addr, 1);
2426
    host_ts->tv_sec = tswapl(target_ts->tv_sec);
2427
    host_ts->tv_nsec = tswapl(target_ts->tv_nsec);
2428
    unlock_user_struct(target_ts, target_addr, 0);
2429
}
2430

    
2431
static inline void host_to_target_timespec(target_ulong target_addr,
2432
                                           struct timespec *host_ts)
2433
{
2434
    struct target_timespec *target_ts;
2435

    
2436
    lock_user_struct(target_ts, target_addr, 0);
2437
    target_ts->tv_sec = tswapl(host_ts->tv_sec);
2438
    target_ts->tv_nsec = tswapl(host_ts->tv_nsec);
2439
    unlock_user_struct(target_ts, target_addr, 1);
2440
}
2441

    
2442
long do_syscall(void *cpu_env, int num, long arg1, long arg2, long arg3, 
2443
                long arg4, long arg5, long arg6)
2444
{
2445
    long ret;
2446
    struct stat st;
2447
    struct statfs stfs;
2448
    void *p;
2449
    
2450
#ifdef DEBUG
2451
    gemu_log("syscall %d", num);
2452
#endif
2453
    switch(num) {
2454
    case TARGET_NR_exit:
2455
#ifdef HAVE_GPROF
2456
        _mcleanup();
2457
#endif
2458
        gdb_exit(cpu_env, arg1);
2459
        /* XXX: should free thread stack and CPU env */
2460
        _exit(arg1);
2461
        ret = 0; /* avoid warning */
2462
        break;
2463
    case TARGET_NR_read:
2464
        page_unprotect_range(arg2, arg3);
2465
        p = lock_user(arg2, arg3, 0);
2466
        ret = get_errno(read(arg1, p, arg3));
2467
        unlock_user(p, arg2, ret);
2468
        break;
2469
    case TARGET_NR_write:
2470
        p = lock_user(arg2, arg3, 1);
2471
        ret = get_errno(write(arg1, p, arg3));
2472
        unlock_user(p, arg2, 0);
2473
        break;
2474
    case TARGET_NR_open:
2475
        p = lock_user_string(arg1);
2476
        ret = get_errno(open(path(p),
2477
                             target_to_host_bitmask(arg2, fcntl_flags_tbl),
2478
                             arg3));
2479
        unlock_user(p, arg1, 0);
2480
        break;
2481
    case TARGET_NR_close:
2482
        ret = get_errno(close(arg1));
2483
        break;
2484
    case TARGET_NR_brk:
2485
        ret = do_brk(arg1);
2486
        break;
2487
    case TARGET_NR_fork:
2488
        ret = get_errno(do_fork(cpu_env, SIGCHLD, 0));
2489
        break;
2490
#ifdef TARGET_NR_waitpid
2491
    case TARGET_NR_waitpid:
2492
        {
2493
            int status;
2494
            ret = get_errno(waitpid(arg1, &status, arg3));
2495
            if (!is_error(ret) && arg2)
2496
                tput32(arg2, status);
2497
        }
2498
        break;
2499
#endif
2500
#ifdef TARGET_NR_creat /* not on alpha */
2501
    case TARGET_NR_creat:
2502
        p = lock_user_string(arg1);
2503
        ret = get_errno(creat(p, arg2));
2504
        unlock_user(p, arg1, 0);
2505
        break;
2506
#endif
2507
    case TARGET_NR_link:
2508
        {
2509
            void * p2;
2510
            p = lock_user_string(arg1);
2511
            p2 = lock_user_string(arg2);
2512
            ret = get_errno(link(p, p2));
2513
            unlock_user(p2, arg2, 0);
2514
            unlock_user(p, arg1, 0);
2515
        }
2516
        break;
2517
    case TARGET_NR_unlink:
2518
        p = lock_user_string(arg1);
2519
        ret = get_errno(unlink(p));
2520
        unlock_user(p, arg1, 0);
2521
        break;
2522
    case TARGET_NR_execve:
2523
        {
2524
            char **argp, **envp;
2525
            int argc, envc;
2526
            target_ulong gp;
2527
            target_ulong guest_argp;
2528
            target_ulong guest_envp;
2529
            target_ulong addr;
2530
            char **q;
2531

    
2532
            argc = 0;
2533
            guest_argp = arg2;
2534
            for (gp = guest_argp; tgetl(gp); gp++)
2535
                argc++;
2536
            envc = 0;
2537
            guest_envp = arg3;
2538
            for (gp = guest_envp; tgetl(gp); gp++)
2539
                envc++;
2540

    
2541
            argp = alloca((argc + 1) * sizeof(void *));
2542
            envp = alloca((envc + 1) * sizeof(void *));
2543

    
2544
            for (gp = guest_argp, q = argp; ;
2545
                  gp += sizeof(target_ulong), q++) {
2546
                addr = tgetl(gp);
2547
                if (!addr)
2548
                    break;
2549
                *q = lock_user_string(addr);
2550
            }
2551
            *q = NULL;
2552

    
2553
            for (gp = guest_envp, q = envp; ;
2554
                  gp += sizeof(target_ulong), q++) {
2555
                addr = tgetl(gp);
2556
                if (!addr)
2557
                    break;
2558
                *q = lock_user_string(addr);
2559
            }
2560
            *q = NULL;
2561

    
2562
            p = lock_user_string(arg1);
2563
            ret = get_errno(execve(p, argp, envp));
2564
            unlock_user(p, arg1, 0);
2565

    
2566
            for (gp = guest_argp, q = argp; *q;
2567
                  gp += sizeof(target_ulong), q++) {
2568
                addr = tgetl(gp);
2569
                unlock_user(*q, addr, 0);
2570
            }
2571
            for (gp = guest_envp, q = envp; *q;
2572
                  gp += sizeof(target_ulong), q++) {
2573
                addr = tgetl(gp);
2574
                unlock_user(*q, addr, 0);
2575
            }
2576
        }
2577
        break;
2578
    case TARGET_NR_chdir:
2579
        p = lock_user_string(arg1);
2580
        ret = get_errno(chdir(p));
2581
        unlock_user(p, arg1, 0);
2582
        break;
2583
#ifdef TARGET_NR_time
2584
    case TARGET_NR_time:
2585
        {
2586
            time_t host_time;
2587
            ret = get_errno(time(&host_time));
2588
            if (!is_error(ret) && arg1)
2589
                tputl(arg1, host_time);
2590
        }
2591
        break;
2592
#endif
2593
    case TARGET_NR_mknod:
2594
        p = lock_user_string(arg1);
2595
        ret = get_errno(mknod(p, arg2, arg3));
2596
        unlock_user(p, arg1, 0);
2597
        break;
2598
    case TARGET_NR_chmod:
2599
        p = lock_user_string(arg1);
2600
        ret = get_errno(chmod(p, arg2));
2601
        unlock_user(p, arg1, 0);
2602
        break;
2603
#ifdef TARGET_NR_break
2604
    case TARGET_NR_break:
2605
        goto unimplemented;
2606
#endif
2607
#ifdef TARGET_NR_oldstat
2608
    case TARGET_NR_oldstat:
2609
        goto unimplemented;
2610
#endif
2611
    case TARGET_NR_lseek:
2612
        ret = get_errno(lseek(arg1, arg2, arg3));
2613
        break;
2614
#ifdef TARGET_NR_getxpid
2615
    case TARGET_NR_getxpid:
2616
#else
2617
    case TARGET_NR_getpid:
2618
#endif
2619
        ret = get_errno(getpid());
2620
        break;
2621
    case TARGET_NR_mount:
2622
                {
2623
                        /* need to look at the data field */
2624
                        void *p2, *p3;
2625
                        p = lock_user_string(arg1);
2626
                        p2 = lock_user_string(arg2);
2627
                        p3 = lock_user_string(arg3);
2628
                        ret = get_errno(mount(p, p2, p3, (unsigned long)arg4, (const void *)arg5));
2629
                        unlock_user(p, arg1, 0);
2630
                        unlock_user(p2, arg2, 0);
2631
                        unlock_user(p3, arg3, 0);
2632
                        break;
2633
                }
2634
#ifdef TARGET_NR_umount
2635
    case TARGET_NR_umount:
2636
        p = lock_user_string(arg1);
2637
        ret = get_errno(umount(p));
2638
        unlock_user(p, arg1, 0);
2639
        break;
2640
#endif
2641
#ifdef TARGET_NR_stime /* not on alpha */
2642
    case TARGET_NR_stime:
2643
        {
2644
            time_t host_time;
2645
            host_time = tgetl(arg1);
2646
            ret = get_errno(stime(&host_time));
2647
        }
2648
        break;
2649
#endif
2650
    case TARGET_NR_ptrace:
2651
        goto unimplemented;
2652
#ifdef TARGET_NR_alarm /* not on alpha */
2653
    case TARGET_NR_alarm:
2654
        ret = alarm(arg1);
2655
        break;
2656
#endif
2657
#ifdef TARGET_NR_oldfstat
2658
    case TARGET_NR_oldfstat:
2659
        goto unimplemented;
2660
#endif
2661
#ifdef TARGET_NR_pause /* not on alpha */
2662
    case TARGET_NR_pause:
2663
        ret = get_errno(pause());
2664
        break;
2665
#endif
2666
#ifdef TARGET_NR_utime
2667
    case TARGET_NR_utime:
2668
        {
2669
            struct utimbuf tbuf, *host_tbuf;
2670
            struct target_utimbuf *target_tbuf;
2671
            if (arg2) {
2672
                lock_user_struct(target_tbuf, arg2, 1);
2673
                tbuf.actime = tswapl(target_tbuf->actime);
2674
                tbuf.modtime = tswapl(target_tbuf->modtime);
2675
                unlock_user_struct(target_tbuf, arg2, 0);
2676
                host_tbuf = &tbuf;
2677
            } else {
2678
                host_tbuf = NULL;
2679
            }
2680
            p = lock_user_string(arg1);
2681
            ret = get_errno(utime(p, host_tbuf));
2682
            unlock_user(p, arg1, 0);
2683
        }
2684
        break;
2685
#endif
2686
    case TARGET_NR_utimes:
2687
        {
2688
            struct timeval *tvp, tv[2];
2689
            if (arg2) {
2690
                target_to_host_timeval(&tv[0], arg2);
2691
                target_to_host_timeval(&tv[1],
2692
                    arg2 + sizeof (struct target_timeval));
2693
                tvp = tv;
2694
            } else {
2695
                tvp = NULL;
2696
            }
2697
            p = lock_user_string(arg1);
2698
            ret = get_errno(utimes(p, tvp));
2699
            unlock_user(p, arg1, 0);
2700
        }
2701
        break;
2702
#ifdef TARGET_NR_stty
2703
    case TARGET_NR_stty:
2704
        goto unimplemented;
2705
#endif
2706
#ifdef TARGET_NR_gtty
2707
    case TARGET_NR_gtty:
2708
        goto unimplemented;
2709
#endif
2710
    case TARGET_NR_access:
2711
        p = lock_user_string(arg1);
2712
        ret = get_errno(access(p, arg2));
2713
        unlock_user(p, arg1, 0);
2714
        break;
2715
#ifdef TARGET_NR_nice /* not on alpha */
2716
    case TARGET_NR_nice:
2717
        ret = get_errno(nice(arg1));
2718
        break;
2719
#endif
2720
#ifdef TARGET_NR_ftime
2721
    case TARGET_NR_ftime:
2722
        goto unimplemented;
2723
#endif
2724
    case TARGET_NR_sync:
2725
        sync();
2726
        ret = 0;
2727
        break;
2728
    case TARGET_NR_kill:
2729
        ret = get_errno(kill(arg1, arg2));
2730
        break;
2731
    case TARGET_NR_rename:
2732
        {
2733
            void *p2;
2734
            p = lock_user_string(arg1);
2735
            p2 = lock_user_string(arg2);
2736
            ret = get_errno(rename(p, p2));
2737
            unlock_user(p2, arg2, 0);
2738
            unlock_user(p, arg1, 0);
2739
        }
2740
        break;
2741
    case TARGET_NR_mkdir:
2742
        p = lock_user_string(arg1);
2743
        ret = get_errno(mkdir(p, arg2));
2744
        unlock_user(p, arg1, 0);
2745
        break;
2746
    case TARGET_NR_rmdir:
2747
        p = lock_user_string(arg1);
2748
        ret = get_errno(rmdir(p));
2749
        unlock_user(p, arg1, 0);
2750
        break;
2751
    case TARGET_NR_dup:
2752
        ret = get_errno(dup(arg1));
2753
        break;
2754
    case TARGET_NR_pipe:
2755
        {
2756
            int host_pipe[2];
2757
            ret = get_errno(pipe(host_pipe));
2758
            if (!is_error(ret)) {
2759
#if defined(TARGET_MIPS)
2760
                ((CPUMIPSState*)cpu_env)->gpr[3] = host_pipe[1];
2761
                ret = host_pipe[0];
2762
#else
2763
                tput32(arg1, host_pipe[0]);
2764
                tput32(arg1 + 4, host_pipe[1]);
2765
#endif
2766
            }
2767
        }
2768
        break;
2769
    case TARGET_NR_times:
2770
        {
2771
            struct target_tms *tmsp;
2772
            struct tms tms;
2773
            ret = get_errno(times(&tms));
2774
            if (arg1) {
2775
                tmsp = lock_user(arg1, sizeof(struct target_tms), 0);
2776
                tmsp->tms_utime = tswapl(host_to_target_clock_t(tms.tms_utime));
2777
                tmsp->tms_stime = tswapl(host_to_target_clock_t(tms.tms_stime));
2778
                tmsp->tms_cutime = tswapl(host_to_target_clock_t(tms.tms_cutime));
2779
                tmsp->tms_cstime = tswapl(host_to_target_clock_t(tms.tms_cstime));
2780
            }
2781
            if (!is_error(ret))
2782
                ret = host_to_target_clock_t(ret);
2783
        }
2784
        break;
2785
#ifdef TARGET_NR_prof
2786
    case TARGET_NR_prof:
2787
        goto unimplemented;
2788
#endif
2789
#ifdef TARGET_NR_signal
2790
    case TARGET_NR_signal:
2791
        goto unimplemented;
2792
#endif
2793
    case TARGET_NR_acct:
2794
        p = lock_user_string(arg1);
2795
        ret = get_errno(acct(path(p)));
2796
        unlock_user(p, arg1, 0);
2797
        break;
2798
#ifdef TARGET_NR_umount2 /* not on alpha */
2799
    case TARGET_NR_umount2:
2800
        p = lock_user_string(arg1);
2801
        ret = get_errno(umount2(p, arg2));
2802
        unlock_user(p, arg1, 0);
2803
        break;
2804
#endif
2805
#ifdef TARGET_NR_lock
2806
    case TARGET_NR_lock:
2807
        goto unimplemented;
2808
#endif
2809
    case TARGET_NR_ioctl:
2810
        ret = do_ioctl(arg1, arg2, arg3);
2811
        break;
2812
    case TARGET_NR_fcntl:
2813
        ret = get_errno(do_fcntl(arg1, arg2, arg3));
2814
        break;
2815
#ifdef TARGET_NR_mpx
2816
    case TARGET_NR_mpx:
2817
        goto unimplemented;
2818
#endif
2819
    case TARGET_NR_setpgid:
2820
        ret = get_errno(setpgid(arg1, arg2));
2821
        break;
2822
#ifdef TARGET_NR_ulimit
2823
    case TARGET_NR_ulimit:
2824
        goto unimplemented;
2825
#endif
2826
#ifdef TARGET_NR_oldolduname
2827
    case TARGET_NR_oldolduname:
2828
        goto unimplemented;
2829
#endif
2830
    case TARGET_NR_umask:
2831
        ret = get_errno(umask(arg1));
2832
        break;
2833
    case TARGET_NR_chroot:
2834
        p = lock_user_string(arg1);
2835
        ret = get_errno(chroot(p));
2836
        unlock_user(p, arg1, 0);
2837
        break;
2838
    case TARGET_NR_ustat:
2839
        goto unimplemented;
2840
    case TARGET_NR_dup2:
2841
        ret = get_errno(dup2(arg1, arg2));
2842
        break;
2843
#ifdef TARGET_NR_getppid /* not on alpha */
2844
    case TARGET_NR_getppid:
2845
        ret = get_errno(getppid());
2846
        break;
2847
#endif
2848
    case TARGET_NR_getpgrp:
2849
        ret = get_errno(getpgrp());
2850
        break;
2851
    case TARGET_NR_setsid:
2852
        ret = get_errno(setsid());
2853
        break;
2854
#ifdef TARGET_NR_sigaction
2855
    case TARGET_NR_sigaction:
2856
        {
2857
#if !defined(TARGET_MIPS)
2858
            struct target_old_sigaction *old_act;
2859
            struct target_sigaction act, oact, *pact;
2860
            if (arg2) {
2861
                lock_user_struct(old_act, arg2, 1);
2862
                act._sa_handler = old_act->_sa_handler;
2863
                target_siginitset(&act.sa_mask, old_act->sa_mask);
2864
                act.sa_flags = old_act->sa_flags;
2865
                act.sa_restorer = old_act->sa_restorer;
2866
                unlock_user_struct(old_act, arg2, 0);
2867
                pact = &act;
2868
            } else {
2869
                pact = NULL;
2870
            }
2871
            ret = get_errno(do_sigaction(arg1, pact, &oact));
2872
            if (!is_error(ret) && arg3) {
2873
                lock_user_struct(old_act, arg3, 0);
2874
                old_act->_sa_handler = oact._sa_handler;
2875
                old_act->sa_mask = oact.sa_mask.sig[0];
2876
                old_act->sa_flags = oact.sa_flags;
2877
                old_act->sa_restorer = oact.sa_restorer;
2878
                unlock_user_struct(old_act, arg3, 1);
2879
            }
2880
#else
2881
            struct target_sigaction act, oact, *pact, *old_act;
2882

    
2883
            if (arg2) {
2884
                lock_user_struct(old_act, arg2, 1);
2885
                act._sa_handler = old_act->_sa_handler;
2886
                target_siginitset(&act.sa_mask, old_act->sa_mask.sig[0]);
2887
                act.sa_flags = old_act->sa_flags;
2888
                unlock_user_struct(old_act, arg2, 0);
2889
                pact = &act;
2890
            } else {
2891
                pact = NULL;
2892
            }
2893

    
2894
            ret = get_errno(do_sigaction(arg1, pact, &oact));
2895

    
2896
            if (!is_error(ret) && arg3) {
2897
                lock_user_struct(old_act, arg3, 0);
2898
                old_act->_sa_handler = oact._sa_handler;
2899
                old_act->sa_flags = oact.sa_flags;
2900
                old_act->sa_mask.sig[0] = oact.sa_mask.sig[0];
2901
                old_act->sa_mask.sig[1] = 0;
2902
                old_act->sa_mask.sig[2] = 0;
2903
                old_act->sa_mask.sig[3] = 0;
2904
                unlock_user_struct(old_act, arg3, 1);
2905
            }
2906
#endif
2907
        }
2908
        break;
2909
#endif
2910
    case TARGET_NR_rt_sigaction:
2911
        {
2912
            struct target_sigaction *act;
2913
            struct target_sigaction *oact;
2914

    
2915
            if (arg2)
2916
                lock_user_struct(act, arg2, 1);
2917
            else
2918
                act = NULL;
2919
            if (arg3)
2920
                lock_user_struct(oact, arg3, 0);
2921
            else
2922
                oact = NULL;
2923
            ret = get_errno(do_sigaction(arg1, act, oact));
2924
            if (arg2)
2925
                unlock_user_struct(act, arg2, 0);
2926
            if (arg3)
2927
                unlock_user_struct(oact, arg3, 1);
2928
        }
2929
        break;
2930
#ifdef TARGET_NR_sgetmask /* not on alpha */
2931
    case TARGET_NR_sgetmask:
2932
        {
2933
            sigset_t cur_set;
2934
            target_ulong target_set;
2935
            sigprocmask(0, NULL, &cur_set);
2936
            host_to_target_old_sigset(&target_set, &cur_set);
2937
            ret = target_set;
2938
        }
2939
        break;
2940
#endif
2941
#ifdef TARGET_NR_ssetmask /* not on alpha */
2942
    case TARGET_NR_ssetmask:
2943
        {
2944
            sigset_t set, oset, cur_set;
2945
            target_ulong target_set = arg1;
2946
            sigprocmask(0, NULL, &cur_set);
2947
            target_to_host_old_sigset(&set, &target_set);
2948
            sigorset(&set, &set, &cur_set);
2949
            sigprocmask(SIG_SETMASK, &set, &oset);
2950
            host_to_target_old_sigset(&target_set, &oset);
2951
            ret = target_set;
2952
        }
2953
        break;
2954
#endif
2955
#ifdef TARGET_NR_sigprocmask
2956
    case TARGET_NR_sigprocmask:
2957
        {
2958
            int how = arg1;
2959
            sigset_t set, oldset, *set_ptr;
2960
            
2961
            if (arg2) {
2962
                switch(how) {
2963
                case TARGET_SIG_BLOCK:
2964
                    how = SIG_BLOCK;
2965
                    break;
2966
                case TARGET_SIG_UNBLOCK:
2967
                    how = SIG_UNBLOCK;
2968
                    break;
2969
                case TARGET_SIG_SETMASK:
2970
                    how = SIG_SETMASK;
2971
                    break;
2972
                default:
2973
                    ret = -EINVAL;
2974
                    goto fail;
2975
                }
2976
                p = lock_user(arg2, sizeof(target_sigset_t), 1);
2977
                target_to_host_old_sigset(&set, p);
2978
                unlock_user(p, arg2, 0);
2979
                set_ptr = &set;
2980
            } else {
2981
                how = 0;
2982
                set_ptr = NULL;
2983
            }
2984
            ret = get_errno(sigprocmask(arg1, set_ptr, &oldset));
2985
            if (!is_error(ret) && arg3) {
2986
                p = lock_user(arg3, sizeof(target_sigset_t), 0);
2987
                host_to_target_old_sigset(p, &oldset);
2988
                unlock_user(p, arg3, sizeof(target_sigset_t));
2989
            }
2990
        }
2991
        break;
2992
#endif
2993
    case TARGET_NR_rt_sigprocmask:
2994
        {
2995
            int how = arg1;
2996
            sigset_t set, oldset, *set_ptr;
2997
            
2998
            if (arg2) {
2999
                switch(how) {
3000
                case TARGET_SIG_BLOCK:
3001
                    how = SIG_BLOCK;
3002
                    break;
3003
                case TARGET_SIG_UNBLOCK:
3004
                    how = SIG_UNBLOCK;
3005
                    break;
3006
                case TARGET_SIG_SETMASK:
3007
                    how = SIG_SETMASK;
3008
                    break;
3009
                default:
3010
                    ret = -EINVAL;
3011
                    goto fail;
3012
                }
3013
                p = lock_user(arg2, sizeof(target_sigset_t), 1);
3014
                target_to_host_sigset(&set, p);
3015
                unlock_user(p, arg2, 0);
3016
                set_ptr = &set;
3017
            } else {
3018
                how = 0;
3019
                set_ptr = NULL;
3020
            }
3021
            ret = get_errno(sigprocmask(how, set_ptr, &oldset));
3022
            if (!is_error(ret) && arg3) {
3023
                p = lock_user(arg3, sizeof(target_sigset_t), 0);
3024
                host_to_target_sigset(p, &oldset);
3025
                unlock_user(p, arg3, sizeof(target_sigset_t));
3026
            }
3027
        }
3028
        break;
3029
#ifdef TARGET_NR_sigpending
3030
    case TARGET_NR_sigpending:
3031
        {
3032
            sigset_t set;
3033
            ret = get_errno(sigpending(&set));
3034
            if (!is_error(ret)) {
3035
                p = lock_user(arg1, sizeof(target_sigset_t), 0);
3036
                host_to_target_old_sigset(p, &set);
3037
                unlock_user(p, arg1, sizeof(target_sigset_t));
3038
            }
3039
        }
3040
        break;
3041
#endif
3042
    case TARGET_NR_rt_sigpending:
3043
        {
3044
            sigset_t set;
3045
            ret = get_errno(sigpending(&set));
3046
            if (!is_error(ret)) {
3047
                p = lock_user(arg1, sizeof(target_sigset_t), 0);
3048
                host_to_target_sigset(p, &set);
3049
                unlock_user(p, arg1, sizeof(target_sigset_t));
3050
            }
3051
        }
3052
        break;
3053
#ifdef TARGET_NR_sigsuspend
3054
    case TARGET_NR_sigsuspend:
3055
        {
3056
            sigset_t set;
3057
            p = lock_user(arg1, sizeof(target_sigset_t), 1);
3058
            target_to_host_old_sigset(&set, p);
3059
            unlock_user(p, arg1, 0);
3060
            ret = get_errno(sigsuspend(&set));
3061
        }
3062
        break;
3063
#endif
3064
    case TARGET_NR_rt_sigsuspend:
3065
        {
3066
            sigset_t set;
3067
            p = lock_user(arg1, sizeof(target_sigset_t), 1);
3068
            target_to_host_sigset(&set, p);
3069
            unlock_user(p, arg1, 0);
3070
            ret = get_errno(sigsuspend(&set));
3071
        }
3072
        break;
3073
    case TARGET_NR_rt_sigtimedwait:
3074
        {
3075
            sigset_t set;
3076
            struct timespec uts, *puts;
3077
            siginfo_t uinfo;
3078
            
3079
            p = lock_user(arg1, sizeof(target_sigset_t), 1);
3080
            target_to_host_sigset(&set, p);
3081
            unlock_user(p, arg1, 0);
3082
            if (arg3) {
3083
                puts = &uts;
3084
                target_to_host_timespec(puts, arg3);
3085
            } else {
3086
                puts = NULL;
3087
            }
3088
            ret = get_errno(sigtimedwait(&set, &uinfo, puts));
3089
            if (!is_error(ret) && arg2) {
3090
                p = lock_user(arg2, sizeof(target_sigset_t), 0);
3091
                host_to_target_siginfo(p, &uinfo);
3092
                unlock_user(p, arg2, sizeof(target_sigset_t));
3093
            }
3094
        }
3095
        break;
3096
    case TARGET_NR_rt_sigqueueinfo:
3097
        {
3098
            siginfo_t uinfo;
3099
            p = lock_user(arg3, sizeof(target_sigset_t), 1);
3100
            target_to_host_siginfo(&uinfo, p);
3101
            unlock_user(p, arg1, 0);
3102
            ret = get_errno(sys_rt_sigqueueinfo(arg1, arg2, &uinfo));
3103
        }
3104
        break;
3105
#ifdef TARGET_NR_sigreturn
3106
    case TARGET_NR_sigreturn:
3107
        /* NOTE: ret is eax, so not transcoding must be done */
3108
        ret = do_sigreturn(cpu_env);
3109
        break;
3110
#endif
3111
    case TARGET_NR_rt_sigreturn:
3112
        /* NOTE: ret is eax, so not transcoding must be done */
3113
        ret = do_rt_sigreturn(cpu_env);
3114
        break;
3115
    case TARGET_NR_sethostname:
3116
        p = lock_user_string(arg1);
3117
        ret = get_errno(sethostname(p, arg2));
3118
        unlock_user(p, arg1, 0);
3119
        break;
3120
    case TARGET_NR_setrlimit:
3121
        {
3122
            /* XXX: convert resource ? */
3123
            int resource = arg1;
3124
            struct target_rlimit *target_rlim;
3125
            struct rlimit rlim;
3126
            lock_user_struct(target_rlim, arg2, 1);
3127
            rlim.rlim_cur = tswapl(target_rlim->rlim_cur);
3128
            rlim.rlim_max = tswapl(target_rlim->rlim_max);
3129
            unlock_user_struct(target_rlim, arg2, 0);
3130
            ret = get_errno(setrlimit(resource, &rlim));
3131
        }
3132
        break;
3133
    case TARGET_NR_getrlimit:
3134
        {
3135
            /* XXX: convert resource ? */
3136
            int resource = arg1;
3137
            struct target_rlimit *target_rlim;
3138
            struct rlimit rlim;
3139
            
3140
            ret = get_errno(getrlimit(resource, &rlim));
3141
            if (!is_error(ret)) {
3142
                lock_user_struct(target_rlim, arg2, 0);
3143
                rlim.rlim_cur = tswapl(target_rlim->rlim_cur);
3144
                rlim.rlim_max = tswapl(target_rlim->rlim_max);
3145
                unlock_user_struct(target_rlim, arg2, 1);
3146
            }
3147
        }
3148
        break;
3149
    case TARGET_NR_getrusage:
3150
        {
3151
            struct rusage rusage;
3152
            ret = get_errno(getrusage(arg1, &rusage));
3153
            if (!is_error(ret)) {
3154
                host_to_target_rusage(arg2, &rusage);
3155
            }
3156
        }
3157
        break;
3158
    case TARGET_NR_gettimeofday:
3159
        {
3160
            struct timeval tv;
3161
            ret = get_errno(gettimeofday(&tv, NULL));
3162
            if (!is_error(ret)) {
3163
                host_to_target_timeval(arg1, &tv);
3164
            }
3165
        }
3166
        break;
3167
    case TARGET_NR_settimeofday:
3168
        {
3169
            struct timeval tv;
3170
            target_to_host_timeval(&tv, arg1);
3171
            ret = get_errno(settimeofday(&tv, NULL));
3172
        }
3173
        break;
3174
#ifdef TARGET_NR_select
3175
    case TARGET_NR_select:
3176
        {
3177
            struct target_sel_arg_struct *sel;
3178
            target_ulong inp, outp, exp, tvp;
3179
            long nsel;
3180

    
3181
            lock_user_struct(sel, arg1, 1);
3182
            nsel = tswapl(sel->n);
3183
            inp = tswapl(sel->inp);
3184
            outp = tswapl(sel->outp);
3185
            exp = tswapl(sel->exp);
3186
            tvp = tswapl(sel->tvp);
3187
            unlock_user_struct(sel, arg1, 0);
3188
            ret = do_select(nsel, inp, outp, exp, tvp);
3189
        }
3190
        break;
3191
#endif
3192
    case TARGET_NR_symlink:
3193
        {
3194
            void *p2;
3195
            p = lock_user_string(arg1);
3196
            p2 = lock_user_string(arg2);
3197
            ret = get_errno(symlink(p, p2));
3198
            unlock_user(p2, arg2, 0);
3199
            unlock_user(p, arg1, 0);
3200
        }
3201
        break;
3202
#ifdef TARGET_NR_oldlstat
3203
    case TARGET_NR_oldlstat:
3204
        goto unimplemented;
3205
#endif
3206
    case TARGET_NR_readlink:
3207
        {
3208
            void *p2;
3209
            p = lock_user_string(arg1);
3210
            p2 = lock_user(arg2, arg3, 0);
3211
            ret = get_errno(readlink(path(p), p2, arg3));
3212
            unlock_user(p2, arg2, ret);
3213
            unlock_user(p, arg1, 0);
3214
        }
3215
        break;
3216
#ifdef TARGET_NR_uselib
3217
    case TARGET_NR_uselib:
3218
        goto unimplemented;
3219
#endif
3220
#ifdef TARGET_NR_swapon
3221
    case TARGET_NR_swapon:
3222
        p = lock_user_string(arg1);
3223
        ret = get_errno(swapon(p, arg2));
3224
        unlock_user(p, arg1, 0);
3225
        break;
3226
#endif
3227
    case TARGET_NR_reboot:
3228
        goto unimplemented;
3229
#ifdef TARGET_NR_readdir
3230
    case TARGET_NR_readdir:
3231
        goto unimplemented;
3232
#endif
3233
#ifdef TARGET_NR_mmap
3234
    case TARGET_NR_mmap:
3235
#if defined(TARGET_I386) || defined(TARGET_ARM) || defined(TARGET_M68K)
3236
        {
3237
            target_ulong *v;
3238
            target_ulong v1, v2, v3, v4, v5, v6;
3239
            v = lock_user(arg1, 6 * sizeof(target_ulong), 1);
3240
            v1 = tswapl(v[0]);
3241
            v2 = tswapl(v[1]);
3242
            v3 = tswapl(v[2]);
3243
            v4 = tswapl(v[3]);
3244
            v5 = tswapl(v[4]);
3245
            v6 = tswapl(v[5]);
3246
            unlock_user(v, arg1, 0);
3247
            ret = get_errno(target_mmap(v1, v2, v3, 
3248
                                        target_to_host_bitmask(v4, mmap_flags_tbl),
3249
                                        v5, v6));
3250
        }
3251
#else
3252
        ret = get_errno(target_mmap(arg1, arg2, arg3, 
3253
                                    target_to_host_bitmask(arg4, mmap_flags_tbl), 
3254
                                    arg5,
3255
                                    arg6));
3256
#endif
3257
        break;
3258
#endif
3259
#ifdef TARGET_NR_mmap2
3260
    case TARGET_NR_mmap2:
3261
#if defined(TARGET_SPARC) || defined(TARGET_MIPS)
3262
#define MMAP_SHIFT 12
3263
#else
3264
#define MMAP_SHIFT TARGET_PAGE_BITS
3265
#endif
3266
        ret = get_errno(target_mmap(arg1, arg2, arg3, 
3267
                                    target_to_host_bitmask(arg4, mmap_flags_tbl), 
3268
                                    arg5,
3269
                                    arg6 << MMAP_SHIFT));
3270
        break;
3271
#endif
3272
    case TARGET_NR_munmap:
3273
        ret = get_errno(target_munmap(arg1, arg2));
3274
        break;
3275
    case TARGET_NR_mprotect:
3276
        ret = get_errno(target_mprotect(arg1, arg2, arg3));
3277
        break;
3278
#ifdef TARGET_NR_mremap
3279
    case TARGET_NR_mremap:
3280
        ret = get_errno(target_mremap(arg1, arg2, arg3, arg4, arg5));
3281
        break;
3282
#endif
3283
        /* ??? msync/mlock/munlock are broken for softmmu.  */
3284
#ifdef TARGET_NR_msync
3285
    case TARGET_NR_msync:
3286
        ret = get_errno(msync(g2h(arg1), arg2, arg3));
3287
        break;
3288
#endif
3289
#ifdef TARGET_NR_mlock
3290
    case TARGET_NR_mlock:
3291
        ret = get_errno(mlock(g2h(arg1), arg2));
3292
        break;
3293
#endif
3294
#ifdef TARGET_NR_munlock
3295
    case TARGET_NR_munlock:
3296
        ret = get_errno(munlock(g2h(arg1), arg2));
3297
        break;
3298
#endif
3299
#ifdef TARGET_NR_mlockall
3300
    case TARGET_NR_mlockall:
3301
        ret = get_errno(mlockall(arg1));
3302
        break;
3303
#endif
3304
#ifdef TARGET_NR_munlockall
3305
    case TARGET_NR_munlockall:
3306
        ret = get_errno(munlockall());
3307
        break;
3308
#endif
3309
    case TARGET_NR_truncate:
3310
        p = lock_user_string(arg1);
3311
        ret = get_errno(truncate(p, arg2));
3312
        unlock_user(p, arg1, 0);
3313
        break;
3314
    case TARGET_NR_ftruncate:
3315
        ret = get_errno(ftruncate(arg1, arg2));
3316
        break;
3317
    case TARGET_NR_fchmod:
3318
        ret = get_errno(fchmod(arg1, arg2));
3319
        break;
3320
    case TARGET_NR_getpriority:
3321
        ret = get_errno(getpriority(arg1, arg2));
3322
        break;
3323
    case TARGET_NR_setpriority:
3324
        ret = get_errno(setpriority(arg1, arg2, arg3));
3325
        break;
3326
#ifdef TARGET_NR_profil
3327
    case TARGET_NR_profil:
3328
        goto unimplemented;
3329
#endif
3330
    case TARGET_NR_statfs:
3331
        p = lock_user_string(arg1);
3332
        ret = get_errno(statfs(path(p), &stfs));
3333
        unlock_user(p, arg1, 0);
3334
    convert_statfs:
3335
        if (!is_error(ret)) {
3336
            struct target_statfs *target_stfs;
3337
            
3338
            lock_user_struct(target_stfs, arg2, 0);
3339
            /* ??? put_user is probably wrong.  */
3340
            put_user(stfs.f_type, &target_stfs->f_type);
3341
            put_user(stfs.f_bsize, &target_stfs->f_bsize);
3342
            put_user(stfs.f_blocks, &target_stfs->f_blocks);
3343
            put_user(stfs.f_bfree, &target_stfs->f_bfree);
3344
            put_user(stfs.f_bavail, &target_stfs->f_bavail);
3345
            put_user(stfs.f_files, &target_stfs->f_files);
3346
            put_user(stfs.f_ffree, &target_stfs->f_ffree);
3347
            put_user(stfs.f_fsid.__val[0], &target_stfs->f_fsid);
3348
            put_user(stfs.f_namelen, &target_stfs->f_namelen);
3349
            unlock_user_struct(target_stfs, arg2, 1);
3350
        }
3351
        break;
3352
    case TARGET_NR_fstatfs:
3353
        ret = get_errno(fstatfs(arg1, &stfs));
3354
        goto convert_statfs;
3355
#ifdef TARGET_NR_statfs64
3356
    case TARGET_NR_statfs64:
3357
        p = lock_user_string(arg1);
3358
        ret = get_errno(statfs(path(p), &stfs));
3359
        unlock_user(p, arg1, 0);
3360
    convert_statfs64:
3361
        if (!is_error(ret)) {
3362
            struct target_statfs64 *target_stfs;
3363
            
3364
            lock_user_struct(target_stfs, arg3, 0);
3365
            /* ??? put_user is probably wrong.  */
3366
            put_user(stfs.f_type, &target_stfs->f_type);
3367
            put_user(stfs.f_bsize, &target_stfs->f_bsize);
3368
            put_user(stfs.f_blocks, &target_stfs->f_blocks);
3369
            put_user(stfs.f_bfree, &target_stfs->f_bfree);
3370
            put_user(stfs.f_bavail, &target_stfs->f_bavail);
3371
            put_user(stfs.f_files, &target_stfs->f_files);
3372
            put_user(stfs.f_ffree, &target_stfs->f_ffree);
3373
            put_user(stfs.f_fsid.__val[0], &target_stfs->f_fsid);
3374
            put_user(stfs.f_namelen, &target_stfs->f_namelen);
3375
            unlock_user_struct(target_stfs, arg3, 0);
3376
        }
3377
        break;
3378
    case TARGET_NR_fstatfs64:
3379
        ret = get_errno(fstatfs(arg1, &stfs));
3380
        goto convert_statfs64;
3381
#endif
3382
#ifdef TARGET_NR_ioperm
3383
    case TARGET_NR_ioperm:
3384
        goto unimplemented;
3385
#endif
3386
#ifdef TARGET_NR_socketcall
3387
    case TARGET_NR_socketcall:
3388
        ret = do_socketcall(arg1, arg2);
3389
        break;
3390
#endif
3391
#ifdef TARGET_NR_accept
3392
    case TARGET_NR_accept:
3393
        ret = do_accept(arg1, arg2, arg3);
3394
        break;
3395
#endif
3396
#ifdef TARGET_NR_bind
3397
    case TARGET_NR_bind:
3398
        ret = do_bind(arg1, arg2, arg3);
3399
        break;
3400
#endif
3401
#ifdef TARGET_NR_connect
3402
    case TARGET_NR_connect:
3403
        ret = do_connect(arg1, arg2, arg3);
3404
        break;
3405
#endif
3406
#ifdef TARGET_NR_getpeername
3407
    case TARGET_NR_getpeername:
3408
        ret = do_getpeername(arg1, arg2, arg3);
3409
        break;
3410
#endif
3411
#ifdef TARGET_NR_getsockname
3412
    case TARGET_NR_getsockname:
3413
        ret = do_getsockname(arg1, arg2, arg3);
3414
        break;
3415
#endif
3416
#ifdef TARGET_NR_getsockopt
3417
    case TARGET_NR_getsockopt:
3418
        ret = do_getsockopt(arg1, arg2, arg3, arg4, arg5);
3419
        break;
3420
#endif
3421
#ifdef TARGET_NR_listen
3422
    case TARGET_NR_listen:
3423
        ret = get_errno(listen(arg1, arg2));
3424
        break;
3425
#endif
3426
#ifdef TARGET_NR_recv
3427
    case TARGET_NR_recv:
3428
        ret = do_recvfrom(arg1, arg2, arg3, arg4, 0, 0);
3429
        break;
3430
#endif
3431
#ifdef TARGET_NR_recvfrom
3432
    case TARGET_NR_recvfrom:
3433
        ret = do_recvfrom(arg1, arg2, arg3, arg4, arg5, arg6);
3434
        break;
3435
#endif
3436
#ifdef TARGET_NR_recvmsg
3437
    case TARGET_NR_recvmsg:
3438
        ret = do_sendrecvmsg(arg1, arg2, arg3, 0);
3439
        break;
3440
#endif
3441
#ifdef TARGET_NR_send
3442
    case TARGET_NR_send:
3443
        ret = do_sendto(arg1, arg2, arg3, arg4, 0, 0);
3444
        break;
3445
#endif
3446
#ifdef TARGET_NR_sendmsg
3447
    case TARGET_NR_sendmsg:
3448
        ret = do_sendrecvmsg(arg1, arg2, arg3, 1);
3449
        break;
3450
#endif
3451
#ifdef TARGET_NR_sendto
3452
    case TARGET_NR_sendto:
3453
        ret = do_sendto(arg1, arg2, arg3, arg4, arg5, arg6);
3454
        break;
3455
#endif
3456
#ifdef TARGET_NR_shutdown
3457
    case TARGET_NR_shutdown:
3458
        ret = get_errno(shutdown(arg1, arg2));
3459
        break;
3460
#endif
3461
#ifdef TARGET_NR_socket
3462
    case TARGET_NR_socket:
3463
        ret = do_socket(arg1, arg2, arg3);
3464
        break;
3465
#endif
3466
#ifdef TARGET_NR_socketpair
3467
    case TARGET_NR_socketpair:
3468
        ret = do_socketpair(arg1, arg2, arg3, arg4);
3469
        break;
3470
#endif
3471
#ifdef TARGET_NR_setsockopt
3472
    case TARGET_NR_setsockopt:
3473
        ret = do_setsockopt(arg1, arg2, arg3, arg4, (socklen_t) arg5);
3474
        break;
3475
#endif
3476

    
3477
    case TARGET_NR_syslog:
3478
        p = lock_user_string(arg2);
3479
        ret = get_errno(sys_syslog((int)arg1, p, (int)arg3));
3480
        unlock_user(p, arg2, 0);
3481
        break;
3482

    
3483
    case TARGET_NR_setitimer:
3484
        {
3485
            struct itimerval value, ovalue, *pvalue;
3486

    
3487
            if (arg2) {
3488
                pvalue = &value;
3489
                target_to_host_timeval(&pvalue->it_interval, 
3490
                                       arg2);
3491
                target_to_host_timeval(&pvalue->it_value, 
3492
                                       arg2 + sizeof(struct target_timeval));
3493
            } else {
3494
                pvalue = NULL;
3495
            }
3496
            ret = get_errno(setitimer(arg1, pvalue, &ovalue));
3497
            if (!is_error(ret) && arg3) {
3498
                host_to_target_timeval(arg3,
3499
                                       &ovalue.it_interval);
3500
                host_to_target_timeval(arg3 + sizeof(struct target_timeval),
3501
                                       &ovalue.it_value);
3502
            }
3503
        }
3504
        break;
3505
    case TARGET_NR_getitimer:
3506
        {
3507
            struct itimerval value;
3508
            
3509
            ret = get_errno(getitimer(arg1, &value));
3510
            if (!is_error(ret) && arg2) {
3511
                host_to_target_timeval(arg2,
3512
                                       &value.it_interval);
3513
                host_to_target_timeval(arg2 + sizeof(struct target_timeval),
3514
                                       &value.it_value);
3515
            }
3516
        }
3517
        break;
3518
    case TARGET_NR_stat:
3519
        p = lock_user_string(arg1);
3520
        ret = get_errno(stat(path(p), &st));
3521
        unlock_user(p, arg1, 0);
3522
        goto do_stat;
3523
    case TARGET_NR_lstat:
3524
        p = lock_user_string(arg1);
3525
        ret = get_errno(lstat(path(p), &st));
3526
        unlock_user(p, arg1, 0);
3527
        goto do_stat;
3528
    case TARGET_NR_fstat:
3529
        {
3530
            ret = get_errno(fstat(arg1, &st));
3531
        do_stat:
3532
            if (!is_error(ret)) {
3533
                struct target_stat *target_st;
3534

    
3535
                lock_user_struct(target_st, arg2, 0);
3536
#if defined(TARGET_MIPS)
3537
                target_st->st_dev = tswap32(st.st_dev);
3538
#else
3539
                target_st->st_dev = tswap16(st.st_dev);
3540
#endif
3541
                target_st->st_ino = tswapl(st.st_ino);
3542
#if defined(TARGET_PPC) || defined(TARGET_MIPS)
3543
                target_st->st_mode = tswapl(st.st_mode); /* XXX: check this */
3544
                target_st->st_uid = tswap32(st.st_uid);
3545
                target_st->st_gid = tswap32(st.st_gid);
3546
#else
3547
                target_st->st_mode = tswap16(st.st_mode);
3548
                target_st->st_uid = tswap16(st.st_uid);
3549
                target_st->st_gid = tswap16(st.st_gid);
3550
#endif
3551
#if defined(TARGET_MIPS)
3552
                /* If this is the same on PPC, then just merge w/ the above ifdef */
3553
                target_st->st_nlink = tswapl(st.st_nlink);
3554
                target_st->st_rdev = tswapl(st.st_rdev);
3555
#else
3556
                target_st->st_nlink = tswap16(st.st_nlink);
3557
                target_st->st_rdev = tswap16(st.st_rdev);
3558
#endif
3559
                target_st->st_size = tswapl(st.st_size);
3560
                target_st->st_blksize = tswapl(st.st_blksize);
3561
                target_st->st_blocks = tswapl(st.st_blocks);
3562
                target_st->target_st_atime = tswapl(st.st_atime);
3563
                target_st->target_st_mtime = tswapl(st.st_mtime);
3564
                target_st->target_st_ctime = tswapl(st.st_ctime);
3565
                unlock_user_struct(target_st, arg2, 1);
3566
            }
3567
        }
3568
        break;
3569
#ifdef TARGET_NR_olduname
3570
    case TARGET_NR_olduname:
3571
        goto unimplemented;
3572
#endif
3573
#ifdef TARGET_NR_iopl
3574
    case TARGET_NR_iopl:
3575
        goto unimplemented;
3576
#endif
3577
    case TARGET_NR_vhangup:
3578
        ret = get_errno(vhangup());
3579
        break;
3580
#ifdef TARGET_NR_idle
3581
    case TARGET_NR_idle:
3582
        goto unimplemented;
3583
#endif
3584
#ifdef TARGET_NR_syscall
3585
    case TARGET_NR_syscall:
3586
            ret = do_syscall(cpu_env,arg1 & 0xffff,arg2,arg3,arg4,arg5,arg6,0);
3587
            break;
3588
#endif
3589
    case TARGET_NR_wait4:
3590
        {
3591
            int status;
3592
            target_long status_ptr = arg2;
3593
            struct rusage rusage, *rusage_ptr;
3594
            target_ulong target_rusage = arg4;
3595
            if (target_rusage)
3596
                rusage_ptr = &rusage;
3597
            else
3598
                rusage_ptr = NULL;
3599
            ret = get_errno(wait4(arg1, &status, arg3, rusage_ptr));
3600
            if (!is_error(ret)) {
3601
                if (status_ptr)
3602
                    tputl(status_ptr, status);
3603
                if (target_rusage) {
3604
                    host_to_target_rusage(target_rusage, &rusage);
3605
                }
3606
            }
3607
        }
3608
        break;
3609
#ifdef TARGET_NR_swapoff
3610
    case TARGET_NR_swapoff:
3611
        p = lock_user_string(arg1);
3612
        ret = get_errno(swapoff(p));
3613
        unlock_user(p, arg1, 0);
3614
        break;
3615
#endif
3616
    case TARGET_NR_sysinfo:
3617
        {
3618
            struct target_sysinfo *target_value;
3619
            struct sysinfo value;
3620
            ret = get_errno(sysinfo(&value));
3621
            if (!is_error(ret) && arg1)
3622
            {
3623
                /* ??? __put_user is probably wrong.  */
3624
                lock_user_struct(target_value, arg1, 0);
3625
                __put_user(value.uptime, &target_value->uptime);
3626
                __put_user(value.loads[0], &target_value->loads[0]);
3627
                __put_user(value.loads[1], &target_value->loads[1]);
3628
                __put_user(value.loads[2], &target_value->loads[2]);
3629
                __put_user(value.totalram, &target_value->totalram);
3630
                __put_user(value.freeram, &target_value->freeram);
3631
                __put_user(value.sharedram, &target_value->sharedram);
3632
                __put_user(value.bufferram, &target_value->bufferram);
3633
                __put_user(value.totalswap, &target_value->totalswap);
3634
                __put_user(value.freeswap, &target_value->freeswap);
3635
                __put_user(value.procs, &target_value->procs);
3636
                __put_user(value.totalhigh, &target_value->totalhigh);
3637
                __put_user(value.freehigh, &target_value->freehigh);
3638
                __put_user(value.mem_unit, &target_value->mem_unit);
3639
                unlock_user_struct(target_value, arg1, 1);
3640
            }
3641
        }
3642
        break;
3643
#ifdef TARGET_NR_ipc
3644
    case TARGET_NR_ipc:
3645
        ret = do_ipc(arg1, arg2, arg3, arg4, arg5, arg6);
3646
        break;
3647
#endif
3648
    case TARGET_NR_fsync:
3649
        ret = get_errno(fsync(arg1));
3650
        break;
3651
    case TARGET_NR_clone:
3652
        ret = get_errno(do_fork(cpu_env, arg1, arg2));
3653
        break;
3654
#ifdef __NR_exit_group
3655
        /* new thread calls */
3656
    case TARGET_NR_exit_group:
3657
        gdb_exit(cpu_env, arg1);
3658
        ret = get_errno(exit_group(arg1));
3659
        break;
3660
#endif
3661
    case TARGET_NR_setdomainname:
3662
        p = lock_user_string(arg1);
3663
        ret = get_errno(setdomainname(p, arg2));
3664
        unlock_user(p, arg1, 0);
3665
        break;
3666
    case TARGET_NR_uname:
3667
        /* no need to transcode because we use the linux syscall */
3668
        {
3669
            struct new_utsname * buf;
3670
    
3671
            lock_user_struct(buf, arg1, 0);
3672
            ret = get_errno(sys_uname(buf));
3673
            if (!is_error(ret)) {
3674
                /* Overrite the native machine name with whatever is being
3675
                   emulated. */
3676
                strcpy (buf->machine, UNAME_MACHINE);
3677
                /* Allow the user to override the reported release.  */
3678
                if (qemu_uname_release && *qemu_uname_release)
3679
                  strcpy (buf->release, qemu_uname_release);
3680
            }
3681
            unlock_user_struct(buf, arg1, 1);
3682
        }
3683
        break;
3684
#ifdef TARGET_I386
3685
    case TARGET_NR_modify_ldt:
3686
        ret = get_errno(do_modify_ldt(cpu_env, arg1, arg2, arg3));
3687
        break;
3688
#if !defined(TARGET_X86_64)
3689
    case TARGET_NR_vm86old:
3690
        goto unimplemented;
3691
    case TARGET_NR_vm86:
3692
        ret = do_vm86(cpu_env, arg1, arg2);
3693
        break;
3694
#endif
3695
#endif
3696
    case TARGET_NR_adjtimex:
3697
        goto unimplemented;
3698
#ifdef TARGET_NR_create_module
3699
    case TARGET_NR_create_module:
3700
#endif
3701
    case TARGET_NR_init_module:
3702
    case TARGET_NR_delete_module:
3703
#ifdef TARGET_NR_get_kernel_syms
3704
    case TARGET_NR_get_kernel_syms:
3705
#endif
3706
        goto unimplemented;
3707
    case TARGET_NR_quotactl:
3708
        goto unimplemented;
3709
    case TARGET_NR_getpgid:
3710
        ret = get_errno(getpgid(arg1));
3711
        break;
3712
    case TARGET_NR_fchdir:
3713
        ret = get_errno(fchdir(arg1));
3714
        break;
3715
#ifdef TARGET_NR_bdflush /* not on x86_64 */
3716
    case TARGET_NR_bdflush:
3717
        goto unimplemented;
3718
#endif
3719
#ifdef TARGET_NR_sysfs
3720
    case TARGET_NR_sysfs:
3721
        goto unimplemented;
3722
#endif
3723
    case TARGET_NR_personality:
3724
        ret = get_errno(personality(arg1));
3725
        break;
3726
#ifdef TARGET_NR_afs_syscall
3727
    case TARGET_NR_afs_syscall:
3728
        goto unimplemented;
3729
#endif
3730
#ifdef TARGET_NR__llseek /* Not on alpha */
3731
    case TARGET_NR__llseek:
3732
        {
3733
#if defined (__x86_64__)
3734
            ret = get_errno(lseek(arg1, ((uint64_t )arg2 << 32) | arg3, arg5));
3735
            tput64(arg4, ret);
3736
#else
3737
            int64_t res;
3738
            ret = get_errno(_llseek(arg1, arg2, arg3, &res, arg5));
3739
            tput64(arg4, res);
3740
#endif
3741
        }
3742
        break;
3743
#endif
3744
    case TARGET_NR_getdents:
3745
#if TARGET_LONG_SIZE != 4
3746
        goto unimplemented;
3747
#warning not supported
3748
#elif TARGET_LONG_SIZE == 4 && HOST_LONG_SIZE == 8
3749
        {
3750
            struct target_dirent *target_dirp;
3751
            struct dirent *dirp;
3752
            long count = arg3;
3753

    
3754
            dirp = malloc(count);
3755
            if (!dirp)
3756
                return -ENOMEM;
3757
            
3758
            ret = get_errno(sys_getdents(arg1, dirp, count));
3759
            if (!is_error(ret)) {
3760
                struct dirent *de;
3761
                struct target_dirent *tde;
3762
                int len = ret;
3763
                int reclen, treclen;
3764
                int count1, tnamelen;
3765

    
3766
                count1 = 0;
3767
                de = dirp;
3768
                target_dirp = lock_user(arg2, count, 0);
3769
                tde = target_dirp;
3770
                while (len > 0) {
3771
                    reclen = de->d_reclen;
3772
                    treclen = reclen - (2 * (sizeof(long) - sizeof(target_long)));
3773
                    tde->d_reclen = tswap16(treclen);
3774
                    tde->d_ino = tswapl(de->d_ino);
3775
                    tde->d_off = tswapl(de->d_off);
3776
                    tnamelen = treclen - (2 * sizeof(target_long) + 2);
3777
                    if (tnamelen > 256)
3778
                        tnamelen = 256;
3779
                    /* XXX: may not be correct */
3780
                    strncpy(tde->d_name, de->d_name, tnamelen);
3781
                    de = (struct dirent *)((char *)de + reclen);
3782
                    len -= reclen;
3783
                    tde = (struct target_dirent *)((char *)tde + treclen);
3784
                    count1 += treclen;
3785
                }
3786
                ret = count1;
3787
            }
3788
            unlock_user(target_dirp, arg2, ret);
3789
            free(dirp);
3790
        }
3791
#else
3792
        {
3793
            struct dirent *dirp;
3794
            long count = arg3;
3795

    
3796
            dirp = lock_user(arg2, count, 0);
3797
            ret = get_errno(sys_getdents(arg1, dirp, count));
3798
            if (!is_error(ret)) {
3799
                struct dirent *de;
3800
                int len = ret;
3801
                int reclen;
3802
                de = dirp;
3803
                while (len > 0) {
3804
                    reclen = de->d_reclen;
3805
                    if (reclen > len)
3806
                        break;
3807
                    de->d_reclen = tswap16(reclen);
3808
                    tswapls(&de->d_ino);
3809
                    tswapls(&de->d_off);
3810
                    de = (struct dirent *)((char *)de + reclen);
3811
                    len -= reclen;
3812
                }
3813
            }
3814
            unlock_user(dirp, arg2, ret);
3815
        }
3816
#endif
3817
        break;
3818
#ifdef TARGET_NR_getdents64
3819
    case TARGET_NR_getdents64:
3820
        {
3821
            struct dirent64 *dirp;
3822
            long count = arg3;
3823
            dirp = lock_user(arg2, count, 0);
3824
            ret = get_errno(sys_getdents64(arg1, dirp, count));
3825
            if (!is_error(ret)) {
3826
                struct dirent64 *de;
3827
                int len = ret;
3828
                int reclen;
3829
                de = dirp;
3830
                while (len > 0) {
3831
                    reclen = de->d_reclen;
3832
                    if (reclen > len)
3833
                        break;
3834
                    de->d_reclen = tswap16(reclen);
3835
                    tswap64s(&de->d_ino);
3836
                    tswap64s(&de->d_off);
3837
                    de = (struct dirent64 *)((char *)de + reclen);
3838
                    len -= reclen;
3839
                }
3840
            }
3841
            unlock_user(dirp, arg2, ret);
3842
        }
3843
        break;
3844
#endif /* TARGET_NR_getdents64 */
3845
#ifdef TARGET_NR__newselect
3846
    case TARGET_NR__newselect:
3847
        ret = do_select(arg1, arg2, arg3, arg4, arg5);
3848
        break;
3849
#endif
3850
#ifdef TARGET_NR_poll
3851
    case TARGET_NR_poll:
3852
        {
3853
            struct target_pollfd *target_pfd;
3854
            unsigned int nfds = arg2;
3855
            int timeout = arg3;
3856
            struct pollfd *pfd;
3857
            unsigned int i;
3858

    
3859
            target_pfd = lock_user(arg1, sizeof(struct target_pollfd) * nfds, 1);
3860
            pfd = alloca(sizeof(struct pollfd) * nfds);
3861
            for(i = 0; i < nfds; i++) {
3862
                pfd[i].fd = tswap32(target_pfd[i].fd);
3863
                pfd[i].events = tswap16(target_pfd[i].events);
3864
            }
3865
            ret = get_errno(poll(pfd, nfds, timeout));
3866
            if (!is_error(ret)) {
3867
                for(i = 0; i < nfds; i++) {
3868
                    target_pfd[i].revents = tswap16(pfd[i].revents);
3869
                }
3870
                ret += nfds * (sizeof(struct target_pollfd)
3871
                               - sizeof(struct pollfd));
3872
            }
3873
            unlock_user(target_pfd, arg1, ret);
3874
        }
3875
        break;
3876
#endif
3877
    case TARGET_NR_flock:
3878
        /* NOTE: the flock constant seems to be the same for every
3879
           Linux platform */
3880
        ret = get_errno(flock(arg1, arg2));
3881
        break;
3882
    case TARGET_NR_readv:
3883
        {
3884
            int count = arg3;
3885
            struct iovec *vec;
3886

    
3887
            vec = alloca(count * sizeof(struct iovec));
3888
            lock_iovec(vec, arg2, count, 0);
3889
            ret = get_errno(readv(arg1, vec, count));
3890
            unlock_iovec(vec, arg2, count, 1);
3891
        }
3892
        break;
3893
    case TARGET_NR_writev:
3894
        {
3895
            int count = arg3;
3896
            struct iovec *vec;
3897

    
3898
            vec = alloca(count * sizeof(struct iovec));
3899
            lock_iovec(vec, arg2, count, 1);
3900
            ret = get_errno(writev(arg1, vec, count));
3901
            unlock_iovec(vec, arg2, count, 0);
3902
        }
3903
        break;
3904
    case TARGET_NR_getsid:
3905
        ret = get_errno(getsid(arg1));
3906
        break;
3907
#if defined(TARGET_NR_fdatasync) /* Not on alpha (osf_datasync ?) */
3908
    case TARGET_NR_fdatasync:
3909
        ret = get_errno(fdatasync(arg1));
3910
        break;
3911
#endif
3912
    case TARGET_NR__sysctl:
3913
        /* We don't implement this, but ENODIR is always a safe
3914
           return value. */
3915
        return -ENOTDIR;
3916
    case TARGET_NR_sched_setparam:
3917
        {
3918
            struct sched_param *target_schp;
3919
            struct sched_param schp;
3920

    
3921
            lock_user_struct(target_schp, arg2, 1);
3922
            schp.sched_priority = tswap32(target_schp->sched_priority);
3923
            unlock_user_struct(target_schp, arg2, 0);
3924
            ret = get_errno(sched_setparam(arg1, &schp));
3925
        }
3926
        break;
3927
    case TARGET_NR_sched_getparam:
3928
        {
3929
            struct sched_param *target_schp;
3930
            struct sched_param schp;
3931
            ret = get_errno(sched_getparam(arg1, &schp));
3932
            if (!is_error(ret)) {
3933
                lock_user_struct(target_schp, arg2, 0);
3934
                target_schp->sched_priority = tswap32(schp.sched_priority);
3935
                unlock_user_struct(target_schp, arg2, 1);
3936
            }
3937
        }
3938
        break;
3939
    case TARGET_NR_sched_setscheduler:
3940
        {
3941
            struct sched_param *target_schp;
3942
            struct sched_param schp;
3943
            lock_user_struct(target_schp, arg3, 1);
3944
            schp.sched_priority = tswap32(target_schp->sched_priority);
3945
            unlock_user_struct(target_schp, arg3, 0);
3946
            ret = get_errno(sched_setscheduler(arg1, arg2, &schp));
3947
        }
3948
        break;
3949
    case TARGET_NR_sched_getscheduler:
3950
        ret = get_errno(sched_getscheduler(arg1));
3951
        break;
3952
    case TARGET_NR_sched_yield:
3953
        ret = get_errno(sched_yield());
3954
        break;
3955
    case TARGET_NR_sched_get_priority_max:
3956
        ret = get_errno(sched_get_priority_max(arg1));
3957
        break;
3958
    case TARGET_NR_sched_get_priority_min:
3959
        ret = get_errno(sched_get_priority_min(arg1));
3960
        break;
3961
    case TARGET_NR_sched_rr_get_interval:
3962
        {
3963
            struct timespec ts;
3964
            ret = get_errno(sched_rr_get_interval(arg1, &ts));
3965
            if (!is_error(ret)) {
3966
                host_to_target_timespec(arg2, &ts);
3967
            }
3968
        }
3969
        break;
3970
    case TARGET_NR_nanosleep:
3971
        {
3972
            struct timespec req, rem;
3973
            target_to_host_timespec(&req, arg1);
3974
            ret = get_errno(nanosleep(&req, &rem));
3975
            if (is_error(ret) && arg2) {
3976
                host_to_target_timespec(arg2, &rem);
3977
            }
3978
        }
3979
        break;
3980
#ifdef TARGET_NR_query_module
3981
    case TARGET_NR_query_module:
3982
        goto unimplemented;
3983
#endif
3984
#ifdef TARGET_NR_nfsservctl
3985
    case TARGET_NR_nfsservctl:
3986
        goto unimplemented;
3987
#endif
3988
    case TARGET_NR_prctl:
3989
        switch (arg1)
3990
            {
3991
            case PR_GET_PDEATHSIG:
3992
                {
3993
                    int deathsig;
3994
                    ret = get_errno(prctl(arg1, &deathsig, arg3, arg4, arg5));
3995
                    if (!is_error(ret) && arg2)
3996
                        tput32(arg2, deathsig);
3997
                }
3998
                break;
3999
            default:
4000
                ret = get_errno(prctl(arg1, arg2, arg3, arg4, arg5));
4001
                break;
4002
            }
4003
        break;
4004
#ifdef TARGET_NR_pread
4005
    case TARGET_NR_pread:
4006
        page_unprotect_range(arg2, arg3);
4007
        p = lock_user(arg2, arg3, 0);
4008
        ret = get_errno(pread(arg1, p, arg3, arg4));
4009
        unlock_user(p, arg2, ret);
4010
        break;
4011
    case TARGET_NR_pwrite:
4012
        p = lock_user(arg2, arg3, 1);
4013
        ret = get_errno(pwrite(arg1, p, arg3, arg4));
4014
        unlock_user(p, arg2, 0);
4015
        break;
4016
#endif
4017
    case TARGET_NR_getcwd:
4018
        p = lock_user(arg1, arg2, 0);
4019
        ret = get_errno(sys_getcwd1(p, arg2));
4020
        unlock_user(p, arg1, ret);
4021
        break;
4022
    case TARGET_NR_capget:
4023
        goto unimplemented;
4024
    case TARGET_NR_capset:
4025
        goto unimplemented;
4026
    case TARGET_NR_sigaltstack:
4027
        goto unimplemented;
4028
    case TARGET_NR_sendfile:
4029
        goto unimplemented;
4030
#ifdef TARGET_NR_getpmsg
4031
    case TARGET_NR_getpmsg:
4032
        goto unimplemented;
4033
#endif
4034
#ifdef TARGET_NR_putpmsg
4035
    case TARGET_NR_putpmsg:
4036
        goto unimplemented;
4037
#endif
4038
#ifdef TARGET_NR_vfork
4039
    case TARGET_NR_vfork:
4040
        ret = get_errno(do_fork(cpu_env, CLONE_VFORK | CLONE_VM | SIGCHLD, 0));
4041
        break;
4042
#endif
4043
#ifdef TARGET_NR_ugetrlimit
4044
    case TARGET_NR_ugetrlimit:
4045
    {
4046
        struct rlimit rlim;
4047
        ret = get_errno(getrlimit(arg1, &rlim));
4048
        if (!is_error(ret)) {
4049
            struct target_rlimit *target_rlim;
4050
            lock_user_struct(target_rlim, arg2, 0);
4051
            target_rlim->rlim_cur = tswapl(rlim.rlim_cur);
4052
            target_rlim->rlim_max = tswapl(rlim.rlim_max);
4053
            unlock_user_struct(target_rlim, arg2, 1);
4054
        }
4055
        break;
4056
    }
4057
#endif
4058
#ifdef TARGET_NR_truncate64
4059
    case TARGET_NR_truncate64:
4060
        p = lock_user_string(arg1);
4061
        ret = target_truncate64(cpu_env, p, arg2, arg3, arg4);
4062
        unlock_user(p, arg1, 0);
4063
        break;
4064
#endif
4065
#ifdef TARGET_NR_ftruncate64
4066
    case TARGET_NR_ftruncate64:
4067
        ret = target_ftruncate64(cpu_env, arg1, arg2, arg3, arg4);
4068
        break;
4069
#endif
4070
#ifdef TARGET_NR_stat64
4071
    case TARGET_NR_stat64:
4072
        p = lock_user_string(arg1);
4073
        ret = get_errno(stat(path(p), &st));
4074
        unlock_user(p, arg1, 0);
4075
        goto do_stat64;
4076
#endif
4077
#ifdef TARGET_NR_lstat64
4078
    case TARGET_NR_lstat64:
4079
        p = lock_user_string(arg1);
4080
        ret = get_errno(lstat(path(p), &st));
4081
        unlock_user(p, arg1, 0);
4082
        goto do_stat64;
4083
#endif
4084
#ifdef TARGET_NR_fstat64
4085
    case TARGET_NR_fstat64:
4086
        {
4087
            ret = get_errno(fstat(arg1, &st));
4088
        do_stat64:
4089
            if (!is_error(ret)) {
4090
#ifdef TARGET_ARM
4091
                if (((CPUARMState *)cpu_env)->eabi) {
4092
                    struct target_eabi_stat64 *target_st;
4093
                    lock_user_struct(target_st, arg2, 1);
4094
                    memset(target_st, 0, sizeof(struct target_eabi_stat64));
4095
                    /* put_user is probably wrong.  */
4096
                    put_user(st.st_dev, &target_st->st_dev);
4097
                    put_user(st.st_ino, &target_st->st_ino);
4098
#ifdef TARGET_STAT64_HAS_BROKEN_ST_INO
4099
                    put_user(st.st_ino, &target_st->__st_ino);
4100
#endif
4101
                    put_user(st.st_mode, &target_st->st_mode);
4102
                    put_user(st.st_nlink, &target_st->st_nlink);
4103
                    put_user(st.st_uid, &target_st->st_uid);
4104
                    put_user(st.st_gid, &target_st->st_gid);
4105
                    put_user(st.st_rdev, &target_st->st_rdev);
4106
                    /* XXX: better use of kernel struct */
4107
                    put_user(st.st_size, &target_st->st_size);
4108
                    put_user(st.st_blksize, &target_st->st_blksize);
4109
                    put_user(st.st_blocks, &target_st->st_blocks);
4110
                    put_user(st.st_atime, &target_st->target_st_atime);
4111
                    put_user(st.st_mtime, &target_st->target_st_mtime);
4112
                    put_user(st.st_ctime, &target_st->target_st_ctime);
4113
                    unlock_user_struct(target_st, arg2, 0);
4114
                } else
4115
#endif
4116
                {
4117
                    struct target_stat64 *target_st;
4118
                    lock_user_struct(target_st, arg2, 1);
4119
                    memset(target_st, 0, sizeof(struct target_stat64));
4120
                    /* ??? put_user is probably wrong.  */
4121
                    put_user(st.st_dev, &target_st->st_dev);
4122
                    put_user(st.st_ino, &target_st->st_ino);
4123
#ifdef TARGET_STAT64_HAS_BROKEN_ST_INO
4124
                    put_user(st.st_ino, &target_st->__st_ino);
4125
#endif
4126
                    put_user(st.st_mode, &target_st->st_mode);
4127
                    put_user(st.st_nlink, &target_st->st_nlink);
4128
                    put_user(st.st_uid, &target_st->st_uid);
4129
                    put_user(st.st_gid, &target_st->st_gid);
4130
                    put_user(st.st_rdev, &target_st->st_rdev);
4131
                    /* XXX: better use of kernel struct */
4132
                    put_user(st.st_size, &target_st->st_size);
4133
                    put_user(st.st_blksize, &target_st->st_blksize);
4134
                    put_user(st.st_blocks, &target_st->st_blocks);
4135
                    put_user(st.st_atime, &target_st->target_st_atime);
4136
                    put_user(st.st_mtime, &target_st->target_st_mtime);
4137
                    put_user(st.st_ctime, &target_st->target_st_ctime);
4138
                    unlock_user_struct(target_st, arg2, 0);
4139
                }
4140
            }
4141
        }
4142
        break;
4143
#endif
4144
#ifdef USE_UID16
4145
    case TARGET_NR_lchown:
4146
        p = lock_user_string(arg1);
4147
        ret = get_errno(lchown(p, low2highuid(arg2), low2highgid(arg3)));
4148
        unlock_user(p, arg1, 0);
4149
        break;
4150
    case TARGET_NR_getuid:
4151
        ret = get_errno(high2lowuid(getuid()));
4152
        break;
4153
    case TARGET_NR_getgid:
4154
        ret = get_errno(high2lowgid(getgid()));
4155
        break;
4156
    case TARGET_NR_geteuid:
4157
        ret = get_errno(high2lowuid(geteuid()));
4158
        break;
4159
    case TARGET_NR_getegid:
4160
        ret = get_errno(high2lowgid(getegid()));
4161
        break;
4162
    case TARGET_NR_setreuid:
4163
        ret = get_errno(setreuid(low2highuid(arg1), low2highuid(arg2)));
4164
        break;
4165
    case TARGET_NR_setregid:
4166
        ret = get_errno(setregid(low2highgid(arg1), low2highgid(arg2)));
4167
        break;
4168
    case TARGET_NR_getgroups:
4169
        {
4170
            int gidsetsize = arg1;
4171
            uint16_t *target_grouplist;
4172
            gid_t *grouplist;
4173
            int i;
4174

    
4175
            grouplist = alloca(gidsetsize * sizeof(gid_t));
4176
            ret = get_errno(getgroups(gidsetsize, grouplist));
4177
            if (!is_error(ret)) {
4178
                target_grouplist = lock_user(arg2, gidsetsize * 2, 0);
4179
                for(i = 0;i < gidsetsize; i++)
4180
                    target_grouplist[i] = tswap16(grouplist[i]);
4181
                unlock_user(target_grouplist, arg2, gidsetsize * 2);
4182
            }
4183
        }
4184
        break;
4185
    case TARGET_NR_setgroups:
4186
        {
4187
            int gidsetsize = arg1;
4188
            uint16_t *target_grouplist;
4189
            gid_t *grouplist;
4190
            int i;
4191

    
4192
            grouplist = alloca(gidsetsize * sizeof(gid_t));
4193
            target_grouplist = lock_user(arg2, gidsetsize * 2, 1);
4194
            for(i = 0;i < gidsetsize; i++)
4195
                grouplist[i] = tswap16(target_grouplist[i]);
4196
            unlock_user(target_grouplist, arg2, 0);
4197
            ret = get_errno(setgroups(gidsetsize, grouplist));
4198
        }
4199
        break;
4200
    case TARGET_NR_fchown:
4201
        ret = get_errno(fchown(arg1, low2highuid(arg2), low2highgid(arg3)));
4202
        break;
4203
#ifdef TARGET_NR_setresuid
4204
    case TARGET_NR_setresuid:
4205
        ret = get_errno(setresuid(low2highuid(arg1), 
4206
                                  low2highuid(arg2), 
4207
                                  low2highuid(arg3)));
4208
        break;
4209
#endif
4210
#ifdef TARGET_NR_getresuid
4211
    case TARGET_NR_getresuid:
4212
        {
4213
            uid_t ruid, euid, suid;
4214
            ret = get_errno(getresuid(&ruid, &euid, &suid));
4215
            if (!is_error(ret)) {
4216
                tput16(arg1, tswap16(high2lowuid(ruid)));
4217
                tput16(arg2, tswap16(high2lowuid(euid)));
4218
                tput16(arg3, tswap16(high2lowuid(suid)));
4219
            }
4220
        }
4221
        break;
4222
#endif
4223
#ifdef TARGET_NR_getresgid
4224
    case TARGET_NR_setresgid:
4225
        ret = get_errno(setresgid(low2highgid(arg1), 
4226
                                  low2highgid(arg2), 
4227
                                  low2highgid(arg3)));
4228
        break;
4229
#endif
4230
#ifdef TARGET_NR_getresgid
4231
    case TARGET_NR_getresgid:
4232
        {
4233
            gid_t rgid, egid, sgid;
4234
            ret = get_errno(getresgid(&rgid, &egid, &sgid));
4235
            if (!is_error(ret)) {
4236
                tput16(arg1, tswap16(high2lowgid(rgid)));
4237
                tput16(arg2, tswap16(high2lowgid(egid)));
4238
                tput16(arg3, tswap16(high2lowgid(sgid)));
4239
            }
4240
        }
4241
        break;
4242
#endif
4243
    case TARGET_NR_chown:
4244
        p = lock_user_string(arg1);
4245
        ret = get_errno(chown(p, low2highuid(arg2), low2highgid(arg3)));
4246
        unlock_user(p, arg1, 0);
4247
        break;
4248
    case TARGET_NR_setuid:
4249
        ret = get_errno(setuid(low2highuid(arg1)));
4250
        break;
4251
    case TARGET_NR_setgid:
4252
        ret = get_errno(setgid(low2highgid(arg1)));
4253
        break;
4254
    case TARGET_NR_setfsuid:
4255
        ret = get_errno(setfsuid(arg1));
4256
        break;
4257
    case TARGET_NR_setfsgid:
4258
        ret = get_errno(setfsgid(arg1));
4259
        break;
4260
#endif /* USE_UID16 */
4261

    
4262
#ifdef TARGET_NR_lchown32
4263
    case TARGET_NR_lchown32:
4264
        p = lock_user_string(arg1);
4265
        ret = get_errno(lchown(p, arg2, arg3));
4266
        unlock_user(p, arg1, 0);
4267
        break;
4268
#endif
4269
#ifdef TARGET_NR_getuid32
4270
    case TARGET_NR_getuid32:
4271
        ret = get_errno(getuid());
4272
        break;
4273
#endif
4274
#ifdef TARGET_NR_getgid32
4275
    case TARGET_NR_getgid32:
4276
        ret = get_errno(getgid());
4277
        break;
4278
#endif
4279
#ifdef TARGET_NR_geteuid32
4280
    case TARGET_NR_geteuid32:
4281
        ret = get_errno(geteuid());
4282
        break;
4283
#endif
4284
#ifdef TARGET_NR_getegid32
4285
    case TARGET_NR_getegid32:
4286
        ret = get_errno(getegid());
4287
        break;
4288
#endif
4289
#ifdef TARGET_NR_setreuid32
4290
    case TARGET_NR_setreuid32:
4291
        ret = get_errno(setreuid(arg1, arg2));
4292
        break;
4293
#endif
4294
#ifdef TARGET_NR_setregid32
4295
    case TARGET_NR_setregid32:
4296
        ret = get_errno(setregid(arg1, arg2));
4297
        break;
4298
#endif
4299
#ifdef TARGET_NR_getgroups32
4300
    case TARGET_NR_getgroups32:
4301
        {
4302
            int gidsetsize = arg1;
4303
            uint32_t *target_grouplist;
4304
            gid_t *grouplist;
4305
            int i;
4306

    
4307
            grouplist = alloca(gidsetsize * sizeof(gid_t));
4308
            ret = get_errno(getgroups(gidsetsize, grouplist));
4309
            if (!is_error(ret)) {
4310
                target_grouplist = lock_user(arg2, gidsetsize * 4, 0);
4311
                for(i = 0;i < gidsetsize; i++)
4312
                    target_grouplist[i] = tswap32(grouplist[i]);
4313
                unlock_user(target_grouplist, arg2, gidsetsize * 4);
4314
            }
4315
        }
4316
        break;
4317
#endif
4318
#ifdef TARGET_NR_setgroups32
4319
    case TARGET_NR_setgroups32:
4320
        {
4321
            int gidsetsize = arg1;
4322
            uint32_t *target_grouplist;
4323
            gid_t *grouplist;
4324
            int i;
4325
            
4326
            grouplist = alloca(gidsetsize * sizeof(gid_t));
4327
            target_grouplist = lock_user(arg2, gidsetsize * 4, 1);
4328
            for(i = 0;i < gidsetsize; i++)
4329
                grouplist[i] = tswap32(target_grouplist[i]);
4330
            unlock_user(target_grouplist, arg2, 0);
4331
            ret = get_errno(setgroups(gidsetsize, grouplist));
4332
        }
4333
        break;
4334
#endif
4335
#ifdef TARGET_NR_fchown32
4336
    case TARGET_NR_fchown32:
4337
        ret = get_errno(fchown(arg1, arg2, arg3));
4338
        break;
4339
#endif
4340
#ifdef TARGET_NR_setresuid32
4341
    case TARGET_NR_setresuid32:
4342
        ret = get_errno(setresuid(arg1, arg2, arg3));
4343
        break;
4344
#endif
4345
#ifdef TARGET_NR_getresuid32
4346
    case TARGET_NR_getresuid32:
4347
        {
4348
            uid_t ruid, euid, suid;
4349
            ret = get_errno(getresuid(&ruid, &euid, &suid));
4350
            if (!is_error(ret)) {
4351
                tput32(arg1, tswap32(ruid));
4352
                tput32(arg2, tswap32(euid));
4353
                tput32(arg3, tswap32(suid));
4354
            }
4355
        }
4356
        break;
4357
#endif
4358
#ifdef TARGET_NR_setresgid32
4359
    case TARGET_NR_setresgid32:
4360
        ret = get_errno(setresgid(arg1, arg2, arg3));
4361
        break;
4362
#endif
4363
#ifdef TARGET_NR_getresgid32
4364
    case TARGET_NR_getresgid32:
4365
        {
4366
            gid_t rgid, egid, sgid;
4367
            ret = get_errno(getresgid(&rgid, &egid, &sgid));
4368
            if (!is_error(ret)) {
4369
                tput32(arg1, tswap32(rgid));
4370
                tput32(arg2, tswap32(egid));
4371
                tput32(arg3, tswap32(sgid));
4372
            }
4373
        }
4374
        break;
4375
#endif
4376
#ifdef TARGET_NR_chown32
4377
    case TARGET_NR_chown32:
4378
        p = lock_user_string(arg1);
4379
        ret = get_errno(chown(p, arg2, arg3));
4380
        unlock_user(p, arg1, 0);
4381
        break;
4382
#endif
4383
#ifdef TARGET_NR_setuid32
4384
    case TARGET_NR_setuid32:
4385
        ret = get_errno(setuid(arg1));
4386
        break;
4387
#endif
4388
#ifdef TARGET_NR_setgid32
4389
    case TARGET_NR_setgid32:
4390
        ret = get_errno(setgid(arg1));
4391
        break;
4392
#endif
4393
#ifdef TARGET_NR_setfsuid32
4394
    case TARGET_NR_setfsuid32:
4395
        ret = get_errno(setfsuid(arg1));
4396
        break;
4397
#endif
4398
#ifdef TARGET_NR_setfsgid32
4399
    case TARGET_NR_setfsgid32:
4400
        ret = get_errno(setfsgid(arg1));
4401
        break;
4402
#endif
4403

    
4404
    case TARGET_NR_pivot_root:
4405
        goto unimplemented;
4406
#ifdef TARGET_NR_mincore
4407
    case TARGET_NR_mincore:
4408
        goto unimplemented;
4409
#endif
4410
#ifdef TARGET_NR_madvise
4411
    case TARGET_NR_madvise:
4412
        /* A straight passthrough may not be safe because qemu sometimes
4413
           turns private flie-backed mappings into anonymous mappings.
4414
           This will break MADV_DONTNEED.
4415
           This is a hint, so ignoring and returning success is ok.  */
4416
        ret = get_errno(0);
4417
        break;
4418
#endif
4419
#if TARGET_LONG_BITS == 32
4420
    case TARGET_NR_fcntl64:
4421
    {
4422
        int cmd;
4423
        struct flock64 fl;
4424
        struct target_flock64 *target_fl;
4425
#ifdef TARGET_ARM
4426
        struct target_eabi_flock64 *target_efl;
4427
#endif
4428

    
4429
        switch(arg2){
4430
        case TARGET_F_GETLK64:
4431
            cmd = F_GETLK64;
4432
            break;
4433
        case TARGET_F_SETLK64:
4434
            cmd = F_SETLK64;
4435
            break;
4436
        case TARGET_F_SETLKW64:
4437
            cmd = F_SETLK64;
4438
            break;
4439
        default:
4440
            cmd = arg2;
4441
            break;
4442
        }
4443

    
4444
        switch(arg2) {
4445
        case TARGET_F_GETLK64:
4446
#ifdef TARGET_ARM
4447
            if (((CPUARMState *)cpu_env)->eabi) {
4448
                lock_user_struct(target_efl, arg3, 1);
4449
                fl.l_type = tswap16(target_efl->l_type);
4450
                fl.l_whence = tswap16(target_efl->l_whence);
4451
                fl.l_start = tswap64(target_efl->l_start);
4452
                fl.l_len = tswap64(target_efl->l_len);
4453
                fl.l_pid = tswapl(target_efl->l_pid);
4454
                unlock_user_struct(target_efl, arg3, 0);
4455
            } else
4456
#endif
4457
            {
4458
                lock_user_struct(target_fl, arg3, 1);
4459
                fl.l_type = tswap16(target_fl->l_type);
4460
                fl.l_whence = tswap16(target_fl->l_whence);
4461
                fl.l_start = tswap64(target_fl->l_start);
4462
                fl.l_len = tswap64(target_fl->l_len);
4463
                fl.l_pid = tswapl(target_fl->l_pid);
4464
                unlock_user_struct(target_fl, arg3, 0);
4465
            }
4466
            ret = get_errno(fcntl(arg1, cmd, &fl));
4467
            if (ret == 0) {
4468
#ifdef TARGET_ARM
4469
                if (((CPUARMState *)cpu_env)->eabi) {
4470
                    lock_user_struct(target_efl, arg3, 0);
4471
                    target_efl->l_type = tswap16(fl.l_type);
4472
                    target_efl->l_whence = tswap16(fl.l_whence);
4473
                    target_efl->l_start = tswap64(fl.l_start);
4474
                    target_efl->l_len = tswap64(fl.l_len);
4475
                    target_efl->l_pid = tswapl(fl.l_pid);
4476
                    unlock_user_struct(target_efl, arg3, 1);
4477
                } else
4478
#endif
4479
                {
4480
                    lock_user_struct(target_fl, arg3, 0);
4481
                    target_fl->l_type = tswap16(fl.l_type);
4482
                    target_fl->l_whence = tswap16(fl.l_whence);
4483
                    target_fl->l_start = tswap64(fl.l_start);
4484
                    target_fl->l_len = tswap64(fl.l_len);
4485
                    target_fl->l_pid = tswapl(fl.l_pid);
4486
                    unlock_user_struct(target_fl, arg3, 1);
4487
                }
4488
            }
4489
            break;
4490

    
4491
        case TARGET_F_SETLK64:
4492
        case TARGET_F_SETLKW64:
4493
#ifdef TARGET_ARM
4494
            if (((CPUARMState *)cpu_env)->eabi) {
4495
                lock_user_struct(target_efl, arg3, 1);
4496
                fl.l_type = tswap16(target_efl->l_type);
4497
                fl.l_whence = tswap16(target_efl->l_whence);
4498
                fl.l_start = tswap64(target_efl->l_start);
4499
                fl.l_len = tswap64(target_efl->l_len);
4500
                fl.l_pid = tswapl(target_efl->l_pid);
4501
                unlock_user_struct(target_efl, arg3, 0);
4502
            } else
4503
#endif
4504
            {
4505
                lock_user_struct(target_fl, arg3, 1);
4506
                fl.l_type = tswap16(target_fl->l_type);
4507
                fl.l_whence = tswap16(target_fl->l_whence);
4508
                fl.l_start = tswap64(target_fl->l_start);
4509
                fl.l_len = tswap64(target_fl->l_len);
4510
                fl.l_pid = tswapl(target_fl->l_pid);
4511
                unlock_user_struct(target_fl, arg3, 0);
4512
            }
4513
            ret = get_errno(fcntl(arg1, cmd, &fl));
4514
            break;
4515
        default:
4516
            ret = get_errno(do_fcntl(arg1, cmd, arg3));
4517
            break;
4518
        }
4519
        break;
4520
    }
4521
#endif
4522
#ifdef TARGET_NR_cacheflush
4523
    case TARGET_NR_cacheflush:
4524
        /* self-modifying code is handled automatically, so nothing needed */
4525
        ret = 0;
4526
        break;
4527
#endif
4528
#ifdef TARGET_NR_security
4529
    case TARGET_NR_security:
4530
        goto unimplemented;
4531
#endif
4532
#ifdef TARGET_NR_getpagesize
4533
    case TARGET_NR_getpagesize:
4534
        ret = TARGET_PAGE_SIZE;
4535
        break;
4536
#endif
4537
    case TARGET_NR_gettid:
4538
        ret = get_errno(gettid());
4539
        break;
4540
#ifdef TARGET_NR_readahead
4541
    case TARGET_NR_readahead:
4542
        goto unimplemented;
4543
#endif
4544
#ifdef TARGET_NR_setxattr
4545
    case TARGET_NR_setxattr:
4546
    case TARGET_NR_lsetxattr:
4547
    case TARGET_NR_fsetxattr:
4548
    case TARGET_NR_getxattr:
4549
    case TARGET_NR_lgetxattr:
4550
    case TARGET_NR_fgetxattr:
4551
    case TARGET_NR_listxattr:
4552
    case TARGET_NR_llistxattr:
4553
    case TARGET_NR_flistxattr:
4554
    case TARGET_NR_removexattr:
4555
    case TARGET_NR_lremovexattr:
4556
    case TARGET_NR_fremovexattr:
4557
        goto unimplemented_nowarn;
4558
#endif
4559
#ifdef TARGET_NR_set_thread_area
4560
    case TARGET_NR_set_thread_area:
4561
#ifdef TARGET_MIPS
4562
      ((CPUMIPSState *) cpu_env)->tls_value = arg1;
4563
      ret = 0;
4564
      break;
4565
#else
4566
      goto unimplemented_nowarn;
4567
#endif
4568
#endif
4569
#ifdef TARGET_NR_get_thread_area
4570
    case TARGET_NR_get_thread_area:
4571
        goto unimplemented_nowarn;
4572
#endif
4573
#ifdef TARGET_NR_getdomainname
4574
    case TARGET_NR_getdomainname:
4575
        goto unimplemented_nowarn;
4576
#endif
4577

    
4578
#ifdef TARGET_NR_clock_gettime
4579
    case TARGET_NR_clock_gettime:
4580
    {
4581
        struct timespec ts;
4582
        ret = get_errno(clock_gettime(arg1, &ts));
4583
        if (!is_error(ret)) {
4584
            host_to_target_timespec(arg2, &ts);
4585
        }
4586
        break;
4587
    }
4588
#endif
4589
#ifdef TARGET_NR_clock_getres
4590
    case TARGET_NR_clock_getres:
4591
    {
4592
        struct timespec ts;
4593
        ret = get_errno(clock_getres(arg1, &ts));
4594
        if (!is_error(ret)) {
4595
            host_to_target_timespec(arg2, &ts);
4596
        }
4597
        break;
4598
    }
4599
#endif
4600

    
4601
#if defined(TARGET_NR_set_tid_address) && defined(__NR_set_tid_address)
4602
    case TARGET_NR_set_tid_address:
4603
      ret = get_errno(set_tid_address((int *) arg1));
4604
      break;
4605
#endif
4606

    
4607
    default:
4608
    unimplemented:
4609
        gemu_log("qemu: Unsupported syscall: %d\n", num);
4610
#if defined(TARGET_NR_setxattr) || defined(TARGET_NR_get_thread_area) || defined(TARGET_NR_getdomainname)
4611
    unimplemented_nowarn:
4612
#endif
4613
        ret = -ENOSYS;
4614
        break;
4615
    }
4616
 fail:
4617
#ifdef DEBUG
4618
    gemu_log(" = %ld\n", ret);
4619
#endif
4620
    return ret;
4621
}
4622