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

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

    
63
#include <linux/termios.h>
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#include <linux/unistd.h>
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#include <linux/utsname.h>
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#include <linux/cdrom.h>
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#include <linux/hdreg.h>
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

    
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#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
{                                        \
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        return syscall(__NR_##name);        \
99
}
100

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

    
119
#define _syscall4(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4)        \
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type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4)                                \
121
{                                                                                \
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        return syscall(__NR_##name, arg1, arg2, arg3, arg4);                        \
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}
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#define _syscall5(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4,        \
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                  type5,arg5)                                                        \
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type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4,type5 arg5)                \
128
{                                                                                \
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        return syscall(__NR_##name, arg1, arg2, arg3, arg4, arg5);                \
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}
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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);        \
138
}
139

    
140

    
141
#define __NR_sys_uname __NR_uname
142
#define __NR_sys_getcwd1 __NR_getcwd
143
#define __NR_sys_getdents __NR_getdents
144
#define __NR_sys_getdents64 __NR_getdents64
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#define __NR_sys_rt_sigqueueinfo __NR_rt_sigqueueinfo
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#define __NR_sys_syslog __NR_syslog
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#define __NR_sys_tgkill __NR_tgkill
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#define __NR_sys_tkill __NR_tkill
149

    
150
#if defined(__alpha__) || defined (__ia64__) || defined(__x86_64__)
151
#define __NR__llseek __NR_lseek
152
#endif
153

    
154
#ifdef __NR_gettid
155
_syscall0(int, gettid)
156
#else
157
static int gettid(void) {
158
    return -ENOSYS;
159
}
160
#endif
161
_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)
168
_syscall3(int,sys_syslog,int,type,char*,bufp,int,len)
169
#ifdef TARGET_NR_tgkill
170
_syscall3(int,sys_tgkill,int,tgid,int,pid,int,sig)
171
#endif
172
#ifdef TARGET_NR_tkill
173
_syscall2(int,sys_tkill,int,tid,int,sig)
174
#endif
175
#ifdef __NR_exit_group
176
_syscall1(int,exit_group,int,error_code)
177
#endif
178
#if defined(TARGET_NR_set_tid_address) && defined(__NR_set_tid_address)
179
_syscall1(int,set_tid_address,int *,tidptr)
180
#endif
181

    
182
extern int personality(int);
183
extern int flock(int, int);
184
extern int setfsuid(int);
185
extern int setfsgid(int);
186
extern int setresuid(uid_t, uid_t, uid_t);
187
extern int getresuid(uid_t *, uid_t *, uid_t *);
188
extern int setresgid(gid_t, gid_t, gid_t);
189
extern int getresgid(gid_t *, gid_t *, gid_t *);
190
extern int setgroups(int, gid_t *);
191

    
192
/*
193
 * This list is the union of errno values overridden in asm-<arch>/errno.h
194
 * minus the errnos that are not actually generic to all archs.
195
 */
196
static uint16_t host_to_target_errno_table[1200] = {
197
    [EIDRM]                = TARGET_EIDRM,
198
    [ECHRNG]                = TARGET_ECHRNG,
199
    [EL2NSYNC]                = TARGET_EL2NSYNC,
200
    [EL3HLT]                = TARGET_EL3HLT,
201
    [EL3RST]                = TARGET_EL3RST,
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    [ELNRNG]                = TARGET_ELNRNG,
203
    [EUNATCH]                = TARGET_EUNATCH,
204
    [ENOCSI]                = TARGET_ENOCSI,
205
    [EL2HLT]                = TARGET_EL2HLT,
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    [EDEADLK]                = TARGET_EDEADLK,
207
    [ENOLCK]                = TARGET_ENOLCK,
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    [EBADE]                = TARGET_EBADE,
209
    [EBADR]                = TARGET_EBADR,
210
    [EXFULL]                = TARGET_EXFULL,
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    [ENOANO]                = TARGET_ENOANO,
212
    [EBADRQC]                = TARGET_EBADRQC,
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    [EBADSLT]                = TARGET_EBADSLT,
214
    [EBFONT]                = TARGET_EBFONT,
215
    [ENOSTR]                = TARGET_ENOSTR,
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    [ENODATA]                = TARGET_ENODATA,
217
    [ETIME]                = TARGET_ETIME,
218
    [ENOSR]                = TARGET_ENOSR,
219
    [ENONET]                = TARGET_ENONET,
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    [ENOPKG]                = TARGET_ENOPKG,
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    [EREMOTE]                = TARGET_EREMOTE,
222
    [ENOLINK]                = TARGET_ENOLINK,
223
    [EADV]                = TARGET_EADV,
224
    [ESRMNT]                = TARGET_ESRMNT,
225
    [ECOMM]                = TARGET_ECOMM,
226
    [EPROTO]                = TARGET_EPROTO,
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    [EDOTDOT]                = TARGET_EDOTDOT,
228
    [EMULTIHOP]                = TARGET_EMULTIHOP,
229
    [EBADMSG]                = TARGET_EBADMSG,
230
    [ENAMETOOLONG]        = TARGET_ENAMETOOLONG,
231
    [EOVERFLOW]                = TARGET_EOVERFLOW,
232
    [ENOTUNIQ]                = TARGET_ENOTUNIQ,
233
    [EBADFD]                = TARGET_EBADFD,
234
    [EREMCHG]                = TARGET_EREMCHG,
235
    [ELIBACC]                = TARGET_ELIBACC,
236
    [ELIBBAD]                = TARGET_ELIBBAD,
237
    [ELIBSCN]                = TARGET_ELIBSCN,
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    [ELIBMAX]                = TARGET_ELIBMAX,
239
    [ELIBEXEC]                = TARGET_ELIBEXEC,
240
    [EILSEQ]                = TARGET_EILSEQ,
241
    [ENOSYS]                = TARGET_ENOSYS,
242
    [ELOOP]                = TARGET_ELOOP,
243
    [ERESTART]                = TARGET_ERESTART,
244
    [ESTRPIPE]                = TARGET_ESTRPIPE,
245
    [ENOTEMPTY]                = TARGET_ENOTEMPTY,
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    [EUSERS]                = TARGET_EUSERS,
247
    [ENOTSOCK]                = TARGET_ENOTSOCK,
248
    [EDESTADDRREQ]        = TARGET_EDESTADDRREQ,
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    [EMSGSIZE]                = TARGET_EMSGSIZE,
250
    [EPROTOTYPE]        = TARGET_EPROTOTYPE,
251
    [ENOPROTOOPT]        = TARGET_ENOPROTOOPT,
252
    [EPROTONOSUPPORT]        = TARGET_EPROTONOSUPPORT,
253
    [ESOCKTNOSUPPORT]        = TARGET_ESOCKTNOSUPPORT,
254
    [EOPNOTSUPP]        = TARGET_EOPNOTSUPP,
255
    [EPFNOSUPPORT]        = TARGET_EPFNOSUPPORT,
256
    [EAFNOSUPPORT]        = TARGET_EAFNOSUPPORT,
257
    [EADDRINUSE]        = TARGET_EADDRINUSE,
258
    [EADDRNOTAVAIL]        = TARGET_EADDRNOTAVAIL,
259
    [ENETDOWN]                = TARGET_ENETDOWN,
260
    [ENETUNREACH]        = TARGET_ENETUNREACH,
261
    [ENETRESET]                = TARGET_ENETRESET,
262
    [ECONNABORTED]        = TARGET_ECONNABORTED,
263
    [ECONNRESET]        = TARGET_ECONNRESET,
264
    [ENOBUFS]                = TARGET_ENOBUFS,
265
    [EISCONN]                = TARGET_EISCONN,
266
    [ENOTCONN]                = TARGET_ENOTCONN,
267
    [EUCLEAN]                = TARGET_EUCLEAN,
268
    [ENOTNAM]                = TARGET_ENOTNAM,
269
    [ENAVAIL]                = TARGET_ENAVAIL,
270
    [EISNAM]                = TARGET_EISNAM,
271
    [EREMOTEIO]                = TARGET_EREMOTEIO,
272
    [ESHUTDOWN]                = TARGET_ESHUTDOWN,
273
    [ETOOMANYREFS]        = TARGET_ETOOMANYREFS,
274
    [ETIMEDOUT]                = TARGET_ETIMEDOUT,
275
    [ECONNREFUSED]        = TARGET_ECONNREFUSED,
276
    [EHOSTDOWN]                = TARGET_EHOSTDOWN,
277
    [EHOSTUNREACH]        = TARGET_EHOSTUNREACH,
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    [EALREADY]                = TARGET_EALREADY,
279
    [EINPROGRESS]        = TARGET_EINPROGRESS,
280
    [ESTALE]                = TARGET_ESTALE,
281
    [ECANCELED]                = TARGET_ECANCELED,
282
    [ENOMEDIUM]                = TARGET_ENOMEDIUM,
283
    [EMEDIUMTYPE]        = TARGET_EMEDIUMTYPE,
284
    [ENOKEY]                = TARGET_ENOKEY,
285
    [EKEYEXPIRED]        = TARGET_EKEYEXPIRED,
286
    [EKEYREVOKED]        = TARGET_EKEYREVOKED,
287
    [EKEYREJECTED]        = TARGET_EKEYREJECTED,
288
    [EOWNERDEAD]        = TARGET_EOWNERDEAD,
289
    [ENOTRECOVERABLE]        = TARGET_ENOTRECOVERABLE,
290
        };
291

    
292
static inline int host_to_target_errno(int err)
293
{
294
    if(host_to_target_errno_table[err])
295
        return host_to_target_errno_table[err];
296
    return err;
297
}
298

    
299
static inline long get_errno(long ret)
300
{
301
    if (ret == -1)
302
        return -host_to_target_errno(errno);
303
    else
304
        return ret;
305
}
306

    
307
static inline int is_error(long ret)
308
{
309
    return (unsigned long)ret >= (unsigned long)(-4096);
310
}
311

    
312
static target_ulong target_brk;
313
static target_ulong target_original_brk;
314

    
315
void target_set_brk(target_ulong new_brk)
316
{
317
    target_original_brk = target_brk = HOST_PAGE_ALIGN(new_brk);
318
}
319

    
320
long do_brk(target_ulong new_brk)
321
{
322
    target_ulong brk_page;
323
    long mapped_addr;
324
    int        new_alloc_size;
325

    
326
    if (!new_brk)
327
        return target_brk;
328
    if (new_brk < target_original_brk)
329
        return -ENOMEM;
330
    
331
    brk_page = HOST_PAGE_ALIGN(target_brk);
332

    
333
    /* If the new brk is less than this, set it and we're done... */
334
    if (new_brk < brk_page) {
335
        target_brk = new_brk;
336
            return target_brk;
337
    }
338

    
339
    /* We need to allocate more memory after the brk... */
340
    new_alloc_size = HOST_PAGE_ALIGN(new_brk - brk_page + 1);
341
    mapped_addr = get_errno(target_mmap(brk_page, new_alloc_size, 
342
                                        PROT_READ|PROT_WRITE,
343
                                        MAP_ANON|MAP_FIXED|MAP_PRIVATE, 0, 0));
344
    if (is_error(mapped_addr)) {
345
        return mapped_addr;
346
    } else {
347
        target_brk = new_brk;
348
            return target_brk;
349
    }
350
}
351

    
352
static inline fd_set *target_to_host_fds(fd_set *fds, 
353
                                         target_long *target_fds, int n)
354
{
355
#if !defined(BSWAP_NEEDED) && !defined(WORDS_BIGENDIAN)
356
    return (fd_set *)target_fds;
357
#else
358
    int i, b;
359
    if (target_fds) {
360
        FD_ZERO(fds);
361
        for(i = 0;i < n; i++) {
362
            b = (tswapl(target_fds[i / TARGET_LONG_BITS]) >>
363
                 (i & (TARGET_LONG_BITS - 1))) & 1;
364
            if (b)
365
                FD_SET(i, fds);
366
        }
367
        return fds;
368
    } else {
369
        return NULL;
370
    }
371
#endif
372
}
373

    
374
static inline void host_to_target_fds(target_long *target_fds, 
375
                                      fd_set *fds, int n)
376
{
377
#if !defined(BSWAP_NEEDED) && !defined(WORDS_BIGENDIAN)
378
    /* nothing to do */
379
#else
380
    int i, nw, j, k;
381
    target_long v;
382

    
383
    if (target_fds) {
384
        nw = (n + TARGET_LONG_BITS - 1) / TARGET_LONG_BITS;
385
        k = 0;
386
        for(i = 0;i < nw; i++) {
387
            v = 0;
388
            for(j = 0; j < TARGET_LONG_BITS; j++) {
389
                v |= ((FD_ISSET(k, fds) != 0) << j);
390
                k++;
391
            }
392
            target_fds[i] = tswapl(v);
393
        }
394
    }
395
#endif
396
}
397

    
398
#if defined(__alpha__)
399
#define HOST_HZ 1024
400
#else
401
#define HOST_HZ 100
402
#endif
403

    
404
static inline long host_to_target_clock_t(long ticks)
405
{
406
#if HOST_HZ == TARGET_HZ
407
    return ticks;
408
#else
409
    return ((int64_t)ticks * TARGET_HZ) / HOST_HZ;
410
#endif
411
}
412

    
413
static inline void host_to_target_rusage(target_ulong target_addr,
414
                                         const struct rusage *rusage)
415
{
416
    struct target_rusage *target_rusage;
417

    
418
    lock_user_struct(target_rusage, target_addr, 0);
419
    target_rusage->ru_utime.tv_sec = tswapl(rusage->ru_utime.tv_sec);
420
    target_rusage->ru_utime.tv_usec = tswapl(rusage->ru_utime.tv_usec);
421
    target_rusage->ru_stime.tv_sec = tswapl(rusage->ru_stime.tv_sec);
422
    target_rusage->ru_stime.tv_usec = tswapl(rusage->ru_stime.tv_usec);
423
    target_rusage->ru_maxrss = tswapl(rusage->ru_maxrss);
424
    target_rusage->ru_ixrss = tswapl(rusage->ru_ixrss);
425
    target_rusage->ru_idrss = tswapl(rusage->ru_idrss);
426
    target_rusage->ru_isrss = tswapl(rusage->ru_isrss);
427
    target_rusage->ru_minflt = tswapl(rusage->ru_minflt);
428
    target_rusage->ru_majflt = tswapl(rusage->ru_majflt);
429
    target_rusage->ru_nswap = tswapl(rusage->ru_nswap);
430
    target_rusage->ru_inblock = tswapl(rusage->ru_inblock);
431
    target_rusage->ru_oublock = tswapl(rusage->ru_oublock);
432
    target_rusage->ru_msgsnd = tswapl(rusage->ru_msgsnd);
433
    target_rusage->ru_msgrcv = tswapl(rusage->ru_msgrcv);
434
    target_rusage->ru_nsignals = tswapl(rusage->ru_nsignals);
435
    target_rusage->ru_nvcsw = tswapl(rusage->ru_nvcsw);
436
    target_rusage->ru_nivcsw = tswapl(rusage->ru_nivcsw);
437
    unlock_user_struct(target_rusage, target_addr, 1);
438
}
439

    
440
static inline void target_to_host_timeval(struct timeval *tv,
441
                                          target_ulong target_addr)
442
{
443
    struct target_timeval *target_tv;
444

    
445
    lock_user_struct(target_tv, target_addr, 1);
446
    tv->tv_sec = tswapl(target_tv->tv_sec);
447
    tv->tv_usec = tswapl(target_tv->tv_usec);
448
    unlock_user_struct(target_tv, target_addr, 0);
449
}
450

    
451
static inline void host_to_target_timeval(target_ulong target_addr,
452
                                          const struct timeval *tv)
453
{
454
    struct target_timeval *target_tv;
455

    
456
    lock_user_struct(target_tv, target_addr, 0);
457
    target_tv->tv_sec = tswapl(tv->tv_sec);
458
    target_tv->tv_usec = tswapl(tv->tv_usec);
459
    unlock_user_struct(target_tv, target_addr, 1);
460
}
461

    
462

    
463
static long do_select(long n, 
464
                      target_ulong rfd_p, target_ulong wfd_p, 
465
                      target_ulong efd_p, target_ulong target_tv)
466
{
467
    fd_set rfds, wfds, efds;
468
    fd_set *rfds_ptr, *wfds_ptr, *efds_ptr;
469
    target_long *target_rfds, *target_wfds, *target_efds;
470
    struct timeval tv, *tv_ptr;
471
    long ret;
472
    int ok;
473

    
474
    if (rfd_p) {
475
        target_rfds = lock_user(rfd_p, sizeof(target_long) * n, 1);
476
        rfds_ptr = target_to_host_fds(&rfds, target_rfds, n);
477
    } else {
478
        target_rfds = NULL;
479
        rfds_ptr = NULL;
480
    }
481
    if (wfd_p) {
482
        target_wfds = lock_user(wfd_p, sizeof(target_long) * n, 1);
483
        wfds_ptr = target_to_host_fds(&wfds, target_wfds, n);
484
    } else {
485
        target_wfds = NULL;
486
        wfds_ptr = NULL;
487
    }
488
    if (efd_p) {
489
        target_efds = lock_user(efd_p, sizeof(target_long) * n, 1);
490
        efds_ptr = target_to_host_fds(&efds, target_efds, n);
491
    } else {
492
        target_efds = NULL;
493
        efds_ptr = NULL;
494
    }
495
            
496
    if (target_tv) {
497
        target_to_host_timeval(&tv, target_tv);
498
        tv_ptr = &tv;
499
    } else {
500
        tv_ptr = NULL;
501
    }
502
    ret = get_errno(select(n, rfds_ptr, wfds_ptr, efds_ptr, tv_ptr));
503
    ok = !is_error(ret);
504

    
505
    if (ok) {
506
        host_to_target_fds(target_rfds, rfds_ptr, n);
507
        host_to_target_fds(target_wfds, wfds_ptr, n);
508
        host_to_target_fds(target_efds, efds_ptr, n);
509

    
510
        if (target_tv) {
511
            host_to_target_timeval(target_tv, &tv);
512
        }
513
    }
514
    if (target_rfds)
515
        unlock_user(target_rfds, rfd_p, ok ? sizeof(target_long) * n : 0);
516
    if (target_wfds)
517
        unlock_user(target_wfds, wfd_p, ok ? sizeof(target_long) * n : 0);
518
    if (target_efds)
519
        unlock_user(target_efds, efd_p, ok ? sizeof(target_long) * n : 0);
520

    
521
    return ret;
522
}
523

    
524
static inline void target_to_host_sockaddr(struct sockaddr *addr,
525
                                           target_ulong target_addr,
526
                                           socklen_t len)
527
{
528
    struct target_sockaddr *target_saddr;
529

    
530
    target_saddr = lock_user(target_addr, len, 1);
531
    memcpy(addr, target_saddr, len);
532
    addr->sa_family = tswap16(target_saddr->sa_family);
533
    unlock_user(target_saddr, target_addr, 0);
534
}
535

    
536
static inline void host_to_target_sockaddr(target_ulong target_addr,
537
                                           struct sockaddr *addr,
538
                                           socklen_t len)
539
{
540
    struct target_sockaddr *target_saddr;
541

    
542
    target_saddr = lock_user(target_addr, len, 0);
543
    memcpy(target_saddr, addr, len);
544
    target_saddr->sa_family = tswap16(addr->sa_family);
545
    unlock_user(target_saddr, target_addr, len);
546
}
547

    
548
/* ??? Should this also swap msgh->name?  */
549
static inline void target_to_host_cmsg(struct msghdr *msgh,
550
                                       struct target_msghdr *target_msgh)
551
{
552
    struct cmsghdr *cmsg = CMSG_FIRSTHDR(msgh);
553
    struct target_cmsghdr *target_cmsg = TARGET_CMSG_FIRSTHDR(target_msgh);
554
    socklen_t space = 0;
555

    
556
    while (cmsg && target_cmsg) {
557
        void *data = CMSG_DATA(cmsg);
558
        void *target_data = TARGET_CMSG_DATA(target_cmsg);
559

    
560
        int len = tswapl(target_cmsg->cmsg_len) 
561
                  - TARGET_CMSG_ALIGN(sizeof (struct target_cmsghdr));
562

    
563
        space += CMSG_SPACE(len);
564
        if (space > msgh->msg_controllen) {
565
            space -= CMSG_SPACE(len);
566
            gemu_log("Host cmsg overflow\n");
567
            break;
568
        }
569

    
570
        cmsg->cmsg_level = tswap32(target_cmsg->cmsg_level);
571
        cmsg->cmsg_type = tswap32(target_cmsg->cmsg_type);
572
        cmsg->cmsg_len = CMSG_LEN(len);
573

    
574
        if (cmsg->cmsg_level != TARGET_SOL_SOCKET || cmsg->cmsg_type != SCM_RIGHTS) {
575
            gemu_log("Unsupported ancillary data: %d/%d\n", cmsg->cmsg_level, cmsg->cmsg_type);
576
            memcpy(data, target_data, len);
577
        } else {
578
            int *fd = (int *)data;
579
            int *target_fd = (int *)target_data;
580
            int i, numfds = len / sizeof(int);
581

    
582
            for (i = 0; i < numfds; i++)
583
                fd[i] = tswap32(target_fd[i]);
584
        }
585

    
586
        cmsg = CMSG_NXTHDR(msgh, cmsg);
587
        target_cmsg = TARGET_CMSG_NXTHDR(target_msgh, target_cmsg);
588
    }
589

    
590
    msgh->msg_controllen = space;
591
}
592

    
593
/* ??? Should this also swap msgh->name?  */
594
static inline void host_to_target_cmsg(struct target_msghdr *target_msgh,
595
                                       struct msghdr *msgh)
596
{
597
    struct cmsghdr *cmsg = CMSG_FIRSTHDR(msgh);
598
    struct target_cmsghdr *target_cmsg = TARGET_CMSG_FIRSTHDR(target_msgh);
599
    socklen_t space = 0;
600

    
601
    while (cmsg && target_cmsg) {
602
        void *data = CMSG_DATA(cmsg);
603
        void *target_data = TARGET_CMSG_DATA(target_cmsg);
604

    
605
        int len = cmsg->cmsg_len - CMSG_ALIGN(sizeof (struct cmsghdr));
606

    
607
        space += TARGET_CMSG_SPACE(len);
608
        if (space > tswapl(target_msgh->msg_controllen)) {
609
            space -= TARGET_CMSG_SPACE(len);
610
            gemu_log("Target cmsg overflow\n");
611
            break;
612
        }
613

    
614
        target_cmsg->cmsg_level = tswap32(cmsg->cmsg_level);
615
        target_cmsg->cmsg_type = tswap32(cmsg->cmsg_type);
616
        target_cmsg->cmsg_len = tswapl(TARGET_CMSG_LEN(len));
617

    
618
        if (cmsg->cmsg_level != TARGET_SOL_SOCKET || cmsg->cmsg_type != SCM_RIGHTS) {
619
            gemu_log("Unsupported ancillary data: %d/%d\n", cmsg->cmsg_level, cmsg->cmsg_type);
620
            memcpy(target_data, data, len);
621
        } else {
622
            int *fd = (int *)data;
623
            int *target_fd = (int *)target_data;
624
            int i, numfds = len / sizeof(int);
625

    
626
            for (i = 0; i < numfds; i++)
627
                target_fd[i] = tswap32(fd[i]);
628
        }
629

    
630
        cmsg = CMSG_NXTHDR(msgh, cmsg);
631
        target_cmsg = TARGET_CMSG_NXTHDR(target_msgh, target_cmsg);
632
    }
633

    
634
    msgh->msg_controllen = tswapl(space);
635
}
636

    
637
static long do_setsockopt(int sockfd, int level, int optname, 
638
                          target_ulong optval, socklen_t optlen)
639
{
640
    int val, ret;
641
            
642
    switch(level) {
643
    case SOL_TCP:
644
        /* TCP options all take an 'int' value.  */
645
        if (optlen < sizeof(uint32_t))
646
            return -EINVAL;
647
        
648
        val = tget32(optval);
649
        ret = get_errno(setsockopt(sockfd, level, optname, &val, sizeof(val)));
650
        break;
651
    case SOL_IP:
652
        switch(optname) {
653
        case IP_TOS:
654
        case IP_TTL:
655
        case IP_HDRINCL:
656
        case IP_ROUTER_ALERT:
657
        case IP_RECVOPTS:
658
        case IP_RETOPTS:
659
        case IP_PKTINFO:
660
        case IP_MTU_DISCOVER:
661
        case IP_RECVERR:
662
        case IP_RECVTOS:
663
#ifdef IP_FREEBIND
664
        case IP_FREEBIND:
665
#endif
666
        case IP_MULTICAST_TTL:
667
        case IP_MULTICAST_LOOP:
668
            val = 0;
669
            if (optlen >= sizeof(uint32_t)) {
670
                val = tget32(optval);
671
            } else if (optlen >= 1) {
672
                val = tget8(optval);
673
            }
674
            ret = get_errno(setsockopt(sockfd, level, optname, &val, sizeof(val)));
675
            break;
676
        default:
677
            goto unimplemented;
678
        }
679
        break;
680
    case TARGET_SOL_SOCKET:
681
        switch (optname) {
682
            /* Options with 'int' argument.  */
683
        case TARGET_SO_DEBUG:
684
                optname = SO_DEBUG;
685
                break;
686
        case TARGET_SO_REUSEADDR:
687
                optname = SO_REUSEADDR;
688
                break;
689
        case TARGET_SO_TYPE:
690
                optname = SO_TYPE;
691
                break;
692
        case TARGET_SO_ERROR:
693
                optname = SO_ERROR;
694
                break;
695
        case TARGET_SO_DONTROUTE:
696
                optname = SO_DONTROUTE;
697
                break;
698
        case TARGET_SO_BROADCAST:
699
                optname = SO_BROADCAST;
700
                break;
701
        case TARGET_SO_SNDBUF:
702
                optname = SO_SNDBUF;
703
                break;
704
        case TARGET_SO_RCVBUF:
705
                optname = SO_RCVBUF;
706
                break;
707
        case TARGET_SO_KEEPALIVE:
708
                optname = SO_KEEPALIVE;
709
                break;
710
        case TARGET_SO_OOBINLINE:
711
                optname = SO_OOBINLINE;
712
                break;
713
        case TARGET_SO_NO_CHECK:
714
                optname = SO_NO_CHECK;
715
                break;
716
        case TARGET_SO_PRIORITY:
717
                optname = SO_PRIORITY;
718
                break;
719
#ifdef SO_BSDCOMPAT
720
        case TARGET_SO_BSDCOMPAT:
721
                optname = SO_BSDCOMPAT;
722
                break;
723
#endif
724
        case TARGET_SO_PASSCRED:
725
                optname = SO_PASSCRED;
726
                break;
727
        case TARGET_SO_TIMESTAMP:
728
                optname = SO_TIMESTAMP;
729
                break;
730
        case TARGET_SO_RCVLOWAT:
731
                optname = SO_RCVLOWAT;
732
                break;
733
        case TARGET_SO_RCVTIMEO:
734
                optname = SO_RCVTIMEO;
735
                break;
736
        case TARGET_SO_SNDTIMEO:
737
                optname = SO_SNDTIMEO;
738
                break;
739
            break;
740
        default:
741
            goto unimplemented;
742
        }
743
        if (optlen < sizeof(uint32_t))
744
        return -EINVAL;
745

    
746
        val = tget32(optval);
747
        ret = get_errno(setsockopt(sockfd, SOL_SOCKET, optname, &val, sizeof(val)));
748
        break;
749
    default:
750
    unimplemented:
751
        gemu_log("Unsupported setsockopt level=%d optname=%d \n", level, optname);
752
        ret = -ENOSYS;
753
    }
754
    return ret;
755
}
756

    
757
static long do_getsockopt(int sockfd, int level, int optname, 
758
                          target_ulong optval, target_ulong optlen)
759
{
760
    int len, lv, val, ret;
761

    
762
    switch(level) {
763
    case TARGET_SOL_SOCKET:
764
            level = SOL_SOCKET;
765
        switch (optname) {
766
        case TARGET_SO_LINGER:
767
        case TARGET_SO_RCVTIMEO:
768
        case TARGET_SO_SNDTIMEO:
769
        case TARGET_SO_PEERCRED:
770
        case TARGET_SO_PEERNAME:
771
            /* These don't just return a single integer */
772
            goto unimplemented;
773
        default:
774
            goto int_case;
775
        }
776
        break;
777
    case SOL_TCP:
778
        /* TCP options all take an 'int' value.  */
779
    int_case:
780
        len = tget32(optlen);
781
        if (len < 0)
782
            return -EINVAL;
783
        lv = sizeof(int);
784
        ret = get_errno(getsockopt(sockfd, level, optname, &val, &lv));
785
        if (ret < 0)
786
            return ret;
787
        val = tswap32(val);
788
        if (len > lv)
789
            len = lv;
790
        if (len == 4)
791
            tput32(optval, val);
792
        else
793
            tput8(optval, val);
794
        tput32(optlen, len);
795
        break;
796
    case SOL_IP:
797
        switch(optname) {
798
        case IP_TOS:
799
        case IP_TTL:
800
        case IP_HDRINCL:
801
        case IP_ROUTER_ALERT:
802
        case IP_RECVOPTS:
803
        case IP_RETOPTS:
804
        case IP_PKTINFO:
805
        case IP_MTU_DISCOVER:
806
        case IP_RECVERR:
807
        case IP_RECVTOS:
808
#ifdef IP_FREEBIND
809
        case IP_FREEBIND:
810
#endif
811
        case IP_MULTICAST_TTL:
812
        case IP_MULTICAST_LOOP:
813
            len = tget32(optlen);
814
            if (len < 0)
815
                return -EINVAL;
816
            lv = sizeof(int);
817
            ret = get_errno(getsockopt(sockfd, level, optname, &val, &lv));
818
            if (ret < 0)
819
                return ret;
820
            if (len < sizeof(int) && len > 0 && val >= 0 && val < 255) {
821
                len = 1;
822
                tput32(optlen, len);
823
                tput8(optval, val);
824
            } else {
825
                if (len > sizeof(int))
826
                    len = sizeof(int);
827
                tput32(optlen, len);
828
                tput32(optval, val);
829
            }
830
            break;
831
        default:
832
            goto unimplemented;
833
        }
834
        break;
835
    default:
836
    unimplemented:
837
        gemu_log("getsockopt level=%d optname=%d not yet supported\n",
838
                 level, optname);
839
        ret = -ENOSYS;
840
        break;
841
    }
842
    return ret;
843
}
844

    
845
static void lock_iovec(struct iovec *vec, target_ulong target_addr,
846
                       int count, int copy)
847
{
848
    struct target_iovec *target_vec;
849
    target_ulong base;
850
    int i;
851

    
852
    target_vec = lock_user(target_addr, count * sizeof(struct target_iovec), 1);
853
    for(i = 0;i < count; i++) {
854
        base = tswapl(target_vec[i].iov_base);
855
        vec[i].iov_len = tswapl(target_vec[i].iov_len);
856
        vec[i].iov_base = lock_user(base, vec[i].iov_len, copy);
857
    }
858
    unlock_user (target_vec, target_addr, 0);
859
}
860

    
861
static void unlock_iovec(struct iovec *vec, target_ulong target_addr,
862
                         int count, int copy)
863
{
864
    struct target_iovec *target_vec;
865
    target_ulong base;
866
    int i;
867

    
868
    target_vec = lock_user(target_addr, count * sizeof(struct target_iovec), 1);
869
    for(i = 0;i < count; i++) {
870
        base = tswapl(target_vec[i].iov_base);
871
        unlock_user(vec[i].iov_base, base, copy ? vec[i].iov_len : 0);
872
    }
873
    unlock_user (target_vec, target_addr, 0);
874
}
875

    
876
static long do_socket(int domain, int type, int protocol)
877
{
878
#if defined(TARGET_MIPS)
879
    switch(type) {
880
    case TARGET_SOCK_DGRAM:
881
        type = SOCK_DGRAM;
882
        break;
883
    case TARGET_SOCK_STREAM:
884
        type = SOCK_STREAM;
885
        break;
886
    case TARGET_SOCK_RAW:
887
        type = SOCK_RAW;
888
        break;
889
    case TARGET_SOCK_RDM:
890
        type = SOCK_RDM;
891
        break;
892
    case TARGET_SOCK_SEQPACKET:
893
        type = SOCK_SEQPACKET;
894
        break;
895
    case TARGET_SOCK_PACKET:
896
        type = SOCK_PACKET;
897
        break;
898
    }
899
#endif
900
    return get_errno(socket(domain, type, protocol));
901
}
902

    
903
static long do_bind(int sockfd, target_ulong target_addr,
904
                    socklen_t addrlen)
905
{
906
    void *addr = alloca(addrlen);
907
    
908
    target_to_host_sockaddr(addr, target_addr, addrlen);
909
    return get_errno(bind(sockfd, addr, addrlen));
910
}
911

    
912
static long do_connect(int sockfd, target_ulong target_addr,
913
                    socklen_t addrlen)
914
{
915
    void *addr = alloca(addrlen);
916
    
917
    target_to_host_sockaddr(addr, target_addr, addrlen);
918
    return get_errno(connect(sockfd, addr, addrlen));
919
}
920

    
921
static long do_sendrecvmsg(int fd, target_ulong target_msg,
922
                           int flags, int send)
923
{
924
    long ret;
925
    struct target_msghdr *msgp;
926
    struct msghdr msg;
927
    int count;
928
    struct iovec *vec;
929
    target_ulong target_vec;
930

    
931
    lock_user_struct(msgp, target_msg, 1);
932
    if (msgp->msg_name) {
933
        msg.msg_namelen = tswap32(msgp->msg_namelen);
934
        msg.msg_name = alloca(msg.msg_namelen);
935
        target_to_host_sockaddr(msg.msg_name, tswapl(msgp->msg_name),
936
                                msg.msg_namelen);
937
    } else {
938
        msg.msg_name = NULL;
939
        msg.msg_namelen = 0;
940
    }
941
    msg.msg_controllen = 2 * tswapl(msgp->msg_controllen);
942
    msg.msg_control = alloca(msg.msg_controllen);
943
    msg.msg_flags = tswap32(msgp->msg_flags);
944
    
945
    count = tswapl(msgp->msg_iovlen);
946
    vec = alloca(count * sizeof(struct iovec));
947
    target_vec = tswapl(msgp->msg_iov);
948
    lock_iovec(vec, target_vec, count, send);
949
    msg.msg_iovlen = count;
950
    msg.msg_iov = vec;
951
    
952
    if (send) {
953
        target_to_host_cmsg(&msg, msgp);
954
        ret = get_errno(sendmsg(fd, &msg, flags));
955
    } else {
956
        ret = get_errno(recvmsg(fd, &msg, flags));
957
        if (!is_error(ret))
958
            host_to_target_cmsg(msgp, &msg);
959
    }
960
    unlock_iovec(vec, target_vec, count, !send);
961
    return ret;
962
}
963

    
964
static long do_accept(int fd, target_ulong target_addr,
965
                      target_ulong target_addrlen)
966
{
967
    socklen_t addrlen = tget32(target_addrlen);
968
    void *addr = alloca(addrlen);
969
    long ret;
970

    
971
    ret = get_errno(accept(fd, addr, &addrlen));
972
    if (!is_error(ret)) {
973
        host_to_target_sockaddr(target_addr, addr, addrlen);
974
        tput32(target_addrlen, addrlen);
975
    }
976
    return ret;
977
}
978

    
979
static long do_getpeername(int fd, target_ulong target_addr,
980
                           target_ulong target_addrlen)
981
{
982
    socklen_t addrlen = tget32(target_addrlen);
983
    void *addr = alloca(addrlen);
984
    long ret;
985

    
986
    ret = get_errno(getpeername(fd, addr, &addrlen));
987
    if (!is_error(ret)) {
988
        host_to_target_sockaddr(target_addr, addr, addrlen);
989
        tput32(target_addrlen, addrlen);
990
    }
991
    return ret;
992
}
993

    
994
static long do_getsockname(int fd, target_ulong target_addr,
995
                           target_ulong target_addrlen)
996
{
997
    socklen_t addrlen = tget32(target_addrlen);
998
    void *addr = alloca(addrlen);
999
    long ret;
1000

    
1001
    ret = get_errno(getsockname(fd, addr, &addrlen));
1002
    if (!is_error(ret)) {
1003
        host_to_target_sockaddr(target_addr, addr, addrlen);
1004
        tput32(target_addrlen, addrlen);
1005
    }
1006
    return ret;
1007
}
1008

    
1009
static long do_socketpair(int domain, int type, int protocol,
1010
                          target_ulong target_tab)
1011
{
1012
    int tab[2];
1013
    long ret;
1014

    
1015
    ret = get_errno(socketpair(domain, type, protocol, tab));
1016
    if (!is_error(ret)) {
1017
        tput32(target_tab, tab[0]);
1018
        tput32(target_tab + 4, tab[1]);
1019
    }
1020
    return ret;
1021
}
1022

    
1023
static long do_sendto(int fd, target_ulong msg, size_t len, int flags,
1024
                      target_ulong target_addr, socklen_t addrlen)
1025
{
1026
    void *addr;
1027
    void *host_msg;
1028
    long ret;
1029

    
1030
    host_msg = lock_user(msg, len, 1);
1031
    if (target_addr) {
1032
        addr = alloca(addrlen);
1033
        target_to_host_sockaddr(addr, target_addr, addrlen);
1034
        ret = get_errno(sendto(fd, host_msg, len, flags, addr, addrlen));
1035
    } else {
1036
        ret = get_errno(send(fd, host_msg, len, flags));
1037
    }
1038
    unlock_user(host_msg, msg, 0);
1039
    return ret;
1040
}
1041

    
1042
static long do_recvfrom(int fd, target_ulong msg, size_t len, int flags,
1043
                        target_ulong target_addr, target_ulong target_addrlen)
1044
{
1045
    socklen_t addrlen;
1046
    void *addr;
1047
    void *host_msg;
1048
    long ret;
1049

    
1050
    host_msg = lock_user(msg, len, 0);
1051
    if (target_addr) {
1052
        addrlen = tget32(target_addrlen);
1053
        addr = alloca(addrlen);
1054
        ret = get_errno(recvfrom(fd, host_msg, len, flags, addr, &addrlen));
1055
    } else {
1056
        addr = NULL; /* To keep compiler quiet.  */
1057
        ret = get_errno(recv(fd, host_msg, len, flags));
1058
    }
1059
    if (!is_error(ret)) {
1060
        if (target_addr) {
1061
            host_to_target_sockaddr(target_addr, addr, addrlen);
1062
            tput32(target_addrlen, addrlen);
1063
        }
1064
        unlock_user(host_msg, msg, len);
1065
    } else {
1066
        unlock_user(host_msg, msg, 0);
1067
    }
1068
    return ret;
1069
}
1070

    
1071
static long do_socketcall(int num, target_ulong vptr)
1072
{
1073
    long ret;
1074
    const int n = sizeof(target_ulong);
1075

    
1076
    switch(num) {
1077
    case SOCKOP_socket:
1078
        {
1079
            int domain = tgetl(vptr);
1080
            int type = tgetl(vptr + n);
1081
            int protocol = tgetl(vptr + 2 * n);
1082
            ret = do_socket(domain, type, protocol);
1083
        }
1084
        break;
1085
    case SOCKOP_bind:
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_bind(sockfd, target_addr, addrlen);
1091
        }
1092
        break;
1093
    case SOCKOP_connect:
1094
        {
1095
            int sockfd = tgetl(vptr);
1096
            target_ulong target_addr = tgetl(vptr + n);
1097
            socklen_t addrlen = tgetl(vptr + 2 * n);
1098
            ret = do_connect(sockfd, target_addr, addrlen);
1099
        }
1100
        break;
1101
    case SOCKOP_listen:
1102
        {
1103
            int sockfd = tgetl(vptr);
1104
            int backlog = tgetl(vptr + n);
1105
            ret = get_errno(listen(sockfd, backlog));
1106
        }
1107
        break;
1108
    case SOCKOP_accept:
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_accept(sockfd, target_addr, target_addrlen);
1114
        }
1115
        break;
1116
    case SOCKOP_getsockname:
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_getsockname(sockfd, target_addr, target_addrlen);
1122
        }
1123
        break;
1124
    case SOCKOP_getpeername:
1125
        {
1126
            int sockfd = tgetl(vptr);
1127
            target_ulong target_addr = tgetl(vptr + n);
1128
            target_ulong target_addrlen = tgetl(vptr + 2 * n);
1129
            ret = do_getpeername(sockfd, target_addr, target_addrlen);
1130
        }
1131
        break;
1132
    case SOCKOP_socketpair:
1133
        {
1134
            int domain = tgetl(vptr);
1135
            int type = tgetl(vptr + n);
1136
            int protocol = tgetl(vptr + 2 * n);
1137
            target_ulong tab = tgetl(vptr + 3 * n);
1138
            ret = do_socketpair(domain, type, protocol, tab);
1139
        }
1140
        break;
1141
    case SOCKOP_send:
1142
        {
1143
            int sockfd = tgetl(vptr);
1144
            target_ulong msg = tgetl(vptr + n);
1145
            size_t len = tgetl(vptr + 2 * n);
1146
            int flags = tgetl(vptr + 3 * n);
1147
            ret = do_sendto(sockfd, msg, len, flags, 0, 0);
1148
        }
1149
        break;
1150
    case SOCKOP_recv:
1151
        {
1152
            int sockfd = tgetl(vptr);
1153
            target_ulong msg = tgetl(vptr + n);
1154
            size_t len = tgetl(vptr + 2 * n);
1155
            int flags = tgetl(vptr + 3 * n);
1156
            ret = do_recvfrom(sockfd, msg, len, flags, 0, 0);
1157
        }
1158
        break;
1159
    case SOCKOP_sendto:
1160
        {
1161
            int sockfd = tgetl(vptr);
1162
            target_ulong msg = tgetl(vptr + n);
1163
            size_t len = tgetl(vptr + 2 * n);
1164
            int flags = tgetl(vptr + 3 * n);
1165
            target_ulong addr = tgetl(vptr + 4 * n);
1166
            socklen_t addrlen = tgetl(vptr + 5 * n);
1167
            ret = do_sendto(sockfd, msg, len, flags, addr, addrlen);
1168
        }
1169
        break;
1170
    case SOCKOP_recvfrom:
1171
        {
1172
            int sockfd = tgetl(vptr);
1173
            target_ulong msg = tgetl(vptr + n);
1174
            size_t len = tgetl(vptr + 2 * n);
1175
            int flags = tgetl(vptr + 3 * n);
1176
            target_ulong addr = tgetl(vptr + 4 * n);
1177
            target_ulong addrlen = tgetl(vptr + 5 * n);
1178
            ret = do_recvfrom(sockfd, msg, len, flags, addr, addrlen);
1179
        }
1180
        break;
1181
    case SOCKOP_shutdown:
1182
        {
1183
            int sockfd = tgetl(vptr);
1184
            int how = tgetl(vptr + n);
1185

    
1186
            ret = get_errno(shutdown(sockfd, how));
1187
        }
1188
        break;
1189
    case SOCKOP_sendmsg:
1190
    case SOCKOP_recvmsg:
1191
        {
1192
            int fd;
1193
            target_ulong target_msg;
1194
            int flags;
1195

    
1196
            fd = tgetl(vptr);
1197
            target_msg = tgetl(vptr + n);
1198
            flags = tgetl(vptr + 2 * n);
1199

    
1200
            ret = do_sendrecvmsg(fd, target_msg, flags, 
1201
                                 (num == SOCKOP_sendmsg));
1202
        }
1203
        break;
1204
    case SOCKOP_setsockopt:
1205
        {
1206
            int sockfd = tgetl(vptr);
1207
            int level = tgetl(vptr + n);
1208
            int optname = tgetl(vptr + 2 * n);
1209
            target_ulong optval = tgetl(vptr + 3 * n);
1210
            socklen_t optlen = tgetl(vptr + 4 * n);
1211

    
1212
            ret = do_setsockopt(sockfd, level, optname, optval, optlen);
1213
        }
1214
        break;
1215
    case SOCKOP_getsockopt:
1216
        {
1217
            int sockfd = tgetl(vptr);
1218
            int level = tgetl(vptr + n);
1219
            int optname = tgetl(vptr + 2 * n);
1220
            target_ulong optval = tgetl(vptr + 3 * n);
1221
            target_ulong poptlen = tgetl(vptr + 4 * n);
1222

    
1223
            ret = do_getsockopt(sockfd, level, optname, optval, poptlen);
1224
        }
1225
        break;
1226
    default:
1227
        gemu_log("Unsupported socketcall: %d\n", num);
1228
        ret = -ENOSYS;
1229
        break;
1230
    }
1231
    return ret;
1232
}
1233

    
1234
#define N_SHM_REGIONS        32
1235

    
1236
static struct shm_region {
1237
    uint32_t        start;
1238
    uint32_t        size;
1239
} shm_regions[N_SHM_REGIONS];
1240

    
1241
struct target_ipc_perm
1242
{
1243
    target_long __key;
1244
    target_ulong uid;
1245
    target_ulong gid;
1246
    target_ulong cuid;
1247
    target_ulong cgid;
1248
    unsigned short int mode;
1249
    unsigned short int __pad1;
1250
    unsigned short int __seq;
1251
    unsigned short int __pad2;
1252
    target_ulong __unused1;
1253
    target_ulong __unused2;
1254
};
1255

    
1256
struct target_semid_ds
1257
{
1258
  struct target_ipc_perm sem_perm;
1259
  target_ulong sem_otime;
1260
  target_ulong __unused1;
1261
  target_ulong sem_ctime;
1262
  target_ulong __unused2;
1263
  target_ulong sem_nsems;
1264
  target_ulong __unused3;
1265
  target_ulong __unused4;
1266
};
1267

    
1268
static inline void target_to_host_ipc_perm(struct ipc_perm *host_ip,
1269
                                           target_ulong target_addr)
1270
{
1271
    struct target_ipc_perm *target_ip;
1272
    struct target_semid_ds *target_sd;
1273

    
1274
    lock_user_struct(target_sd, target_addr, 1);
1275
    target_ip=&(target_sd->sem_perm);
1276
    host_ip->__key = tswapl(target_ip->__key);
1277
    host_ip->uid = tswapl(target_ip->uid);
1278
    host_ip->gid = tswapl(target_ip->gid);
1279
    host_ip->cuid = tswapl(target_ip->cuid);
1280
    host_ip->cgid = tswapl(target_ip->cgid);
1281
    host_ip->mode = tswapl(target_ip->mode);
1282
    unlock_user_struct(target_sd, target_addr, 0);
1283
}
1284

    
1285
static inline void host_to_target_ipc_perm(target_ulong target_addr,
1286
                                           struct ipc_perm *host_ip)
1287
{
1288
    struct target_ipc_perm *target_ip;
1289
    struct target_semid_ds *target_sd;
1290

    
1291
    lock_user_struct(target_sd, target_addr, 0);
1292
    target_ip = &(target_sd->sem_perm);
1293
    target_ip->__key = tswapl(host_ip->__key);
1294
    target_ip->uid = tswapl(host_ip->uid);
1295
    target_ip->gid = tswapl(host_ip->gid);
1296
    target_ip->cuid = tswapl(host_ip->cuid);
1297
    target_ip->cgid = tswapl(host_ip->cgid);
1298
    target_ip->mode = tswapl(host_ip->mode);
1299
    unlock_user_struct(target_sd, target_addr, 1);
1300
}
1301

    
1302
static inline void target_to_host_semid_ds(struct semid_ds *host_sd,
1303
                                          target_ulong target_addr)
1304
{
1305
    struct target_semid_ds *target_sd;
1306

    
1307
    lock_user_struct(target_sd, target_addr, 1);
1308
    target_to_host_ipc_perm(&(host_sd->sem_perm),target_addr);
1309
    host_sd->sem_nsems = tswapl(target_sd->sem_nsems);
1310
    host_sd->sem_otime = tswapl(target_sd->sem_otime);
1311
    host_sd->sem_ctime = tswapl(target_sd->sem_ctime);
1312
    unlock_user_struct(target_sd, target_addr, 0);
1313
}
1314

    
1315
static inline void host_to_target_semid_ds(target_ulong target_addr,
1316
                                           struct semid_ds *host_sd)
1317
{
1318
    struct target_semid_ds *target_sd;
1319

    
1320
    lock_user_struct(target_sd, target_addr, 0);
1321
    host_to_target_ipc_perm(target_addr,&(host_sd->sem_perm));
1322
    target_sd->sem_nsems = tswapl(host_sd->sem_nsems);
1323
    target_sd->sem_otime = tswapl(host_sd->sem_otime);
1324
    target_sd->sem_ctime = tswapl(host_sd->sem_ctime);
1325
    unlock_user_struct(target_sd, target_addr, 1);
1326
}
1327

    
1328
union semun {
1329
        int val;
1330
        struct semid_ds *buf;
1331
        unsigned short *array;
1332
};
1333

    
1334
union target_semun {
1335
        int val;
1336
        target_long buf;
1337
        unsigned short int *array;
1338
};
1339

    
1340
static inline void target_to_host_semun(unsigned long cmd,
1341
                                        union semun *host_su,
1342
                                        target_ulong target_addr,
1343
                                        struct semid_ds *ds)
1344
{
1345
    union target_semun *target_su;
1346

    
1347
    switch( cmd ) {
1348
        case IPC_STAT:
1349
        case IPC_SET:
1350
           lock_user_struct(target_su, target_addr, 1);
1351
           target_to_host_semid_ds(ds,target_su->buf);
1352
           host_su->buf = ds;
1353
           unlock_user_struct(target_su, target_addr, 0);
1354
           break;
1355
        case GETVAL:
1356
        case SETVAL:
1357
           lock_user_struct(target_su, target_addr, 1);
1358
           host_su->val = tswapl(target_su->val);
1359
           unlock_user_struct(target_su, target_addr, 0);
1360
           break;
1361
        case GETALL:
1362
        case SETALL:
1363
           lock_user_struct(target_su, target_addr, 1);
1364
           *host_su->array = tswap16(*target_su->array);
1365
           unlock_user_struct(target_su, target_addr, 0);
1366
           break;
1367
        default:
1368
           gemu_log("semun operation not fully supported: %d\n", (int)cmd);
1369
    }
1370
}
1371

    
1372
static inline void host_to_target_semun(unsigned long cmd,
1373
                                        target_ulong target_addr,
1374
                                        union semun *host_su,
1375
                                        struct semid_ds *ds)
1376
{
1377
    union target_semun *target_su;
1378

    
1379
    switch( cmd ) {
1380
        case IPC_STAT:
1381
        case IPC_SET:
1382
           lock_user_struct(target_su, target_addr, 0);
1383
           host_to_target_semid_ds(target_su->buf,ds);
1384
           unlock_user_struct(target_su, target_addr, 1);
1385
           break;
1386
        case GETVAL:
1387
        case SETVAL:
1388
           lock_user_struct(target_su, target_addr, 0);
1389
           target_su->val = tswapl(host_su->val);
1390
           unlock_user_struct(target_su, target_addr, 1);
1391
           break;
1392
        case GETALL:
1393
        case SETALL:
1394
           lock_user_struct(target_su, target_addr, 0);
1395
           *target_su->array = tswap16(*host_su->array);
1396
           unlock_user_struct(target_su, target_addr, 1);
1397
           break;
1398
        default:
1399
           gemu_log("semun operation not fully supported: %d\n", (int)cmd);
1400
    }
1401
}
1402

    
1403
static inline long do_semctl(long first, long second, long third, long ptr)
1404
{
1405
    union semun arg;
1406
    struct semid_ds dsarg;
1407
    int cmd = third&0xff;
1408
    long ret = 0;
1409

    
1410
    switch( cmd ) {
1411
        case GETVAL:
1412
            target_to_host_semun(cmd,&arg,ptr,&dsarg);
1413
            ret = get_errno(semctl(first, second, cmd, arg));
1414
            host_to_target_semun(cmd,ptr,&arg,&dsarg);
1415
            break;
1416
        case SETVAL:
1417
            target_to_host_semun(cmd,&arg,ptr,&dsarg);
1418
            ret = get_errno(semctl(first, second, cmd, arg));
1419
            host_to_target_semun(cmd,ptr,&arg,&dsarg);
1420
            break;
1421
        case GETALL:
1422
            target_to_host_semun(cmd,&arg,ptr,&dsarg);
1423
            ret = get_errno(semctl(first, second, cmd, arg));
1424
            host_to_target_semun(cmd,ptr,&arg,&dsarg);
1425
            break;
1426
        case SETALL:
1427
            target_to_host_semun(cmd,&arg,ptr,&dsarg);
1428
            ret = get_errno(semctl(first, second, cmd, arg));
1429
            host_to_target_semun(cmd,ptr,&arg,&dsarg);
1430
            break;
1431
        case IPC_STAT:
1432
            target_to_host_semun(cmd,&arg,ptr,&dsarg);
1433
            ret = get_errno(semctl(first, second, cmd, arg));
1434
            host_to_target_semun(cmd,ptr,&arg,&dsarg);
1435
            break;
1436
        case IPC_SET:
1437
            target_to_host_semun(cmd,&arg,ptr,&dsarg);
1438
            ret = get_errno(semctl(first, second, cmd, arg));
1439
            host_to_target_semun(cmd,ptr,&arg,&dsarg);
1440
            break;
1441
    default:
1442
            ret = get_errno(semctl(first, second, cmd, arg));
1443
    }
1444

    
1445
    return ret;
1446
}
1447

    
1448
struct target_msqid_ds
1449
{
1450
  struct target_ipc_perm msg_perm;
1451
  target_ulong msg_stime;
1452
  target_ulong __unused1;
1453
  target_ulong msg_rtime;
1454
  target_ulong __unused2;
1455
  target_ulong msg_ctime;
1456
  target_ulong __unused3;
1457
  target_ulong __msg_cbytes;
1458
  target_ulong msg_qnum;
1459
  target_ulong msg_qbytes;
1460
  target_ulong msg_lspid;
1461
  target_ulong msg_lrpid;
1462
  target_ulong __unused4;
1463
  target_ulong __unused5;
1464
};
1465

    
1466
static inline void target_to_host_msqid_ds(struct msqid_ds *host_md,
1467
                                          target_ulong target_addr)
1468
{
1469
    struct target_msqid_ds *target_md;
1470

    
1471
    lock_user_struct(target_md, target_addr, 1);
1472
    target_to_host_ipc_perm(&(host_md->msg_perm),target_addr);
1473
    host_md->msg_stime = tswapl(target_md->msg_stime);
1474
    host_md->msg_rtime = tswapl(target_md->msg_rtime);
1475
    host_md->msg_ctime = tswapl(target_md->msg_ctime);
1476
    host_md->__msg_cbytes = tswapl(target_md->__msg_cbytes);
1477
    host_md->msg_qnum = tswapl(target_md->msg_qnum);
1478
    host_md->msg_qbytes = tswapl(target_md->msg_qbytes);
1479
    host_md->msg_lspid = tswapl(target_md->msg_lspid);
1480
    host_md->msg_lrpid = tswapl(target_md->msg_lrpid);
1481
    unlock_user_struct(target_md, target_addr, 0);
1482
}
1483

    
1484
static inline void host_to_target_msqid_ds(target_ulong target_addr,
1485
                                           struct msqid_ds *host_md)
1486
{
1487
    struct target_msqid_ds *target_md;
1488

    
1489
    lock_user_struct(target_md, target_addr, 0);
1490
    host_to_target_ipc_perm(target_addr,&(host_md->msg_perm));
1491
    target_md->msg_stime = tswapl(host_md->msg_stime);
1492
    target_md->msg_rtime = tswapl(host_md->msg_rtime);
1493
    target_md->msg_ctime = tswapl(host_md->msg_ctime);
1494
    target_md->__msg_cbytes = tswapl(host_md->__msg_cbytes);
1495
    target_md->msg_qnum = tswapl(host_md->msg_qnum);
1496
    target_md->msg_qbytes = tswapl(host_md->msg_qbytes);
1497
    target_md->msg_lspid = tswapl(host_md->msg_lspid);
1498
    target_md->msg_lrpid = tswapl(host_md->msg_lrpid);
1499
    unlock_user_struct(target_md, target_addr, 1);
1500
}
1501

    
1502
static inline long do_msgctl(long first, long second, long ptr)
1503
{
1504
    struct msqid_ds dsarg;
1505
    int cmd = second&0xff;
1506
    long ret = 0;
1507
    switch( cmd ) {
1508
    case IPC_STAT:
1509
    case IPC_SET:
1510
        target_to_host_msqid_ds(&dsarg,ptr);
1511
        ret = get_errno(msgctl(first, cmd, &dsarg));
1512
        host_to_target_msqid_ds(ptr,&dsarg);
1513
    default:
1514
        ret = get_errno(msgctl(first, cmd, &dsarg));
1515
    }
1516
    return ret;
1517
}
1518

    
1519
struct target_msgbuf {
1520
        target_ulong mtype;
1521
        char        mtext[1];
1522
};
1523

    
1524
static inline long do_msgsnd(long msqid, long msgp, long msgsz, long msgflg)
1525
{
1526
    struct target_msgbuf *target_mb;
1527
    struct msgbuf *host_mb;
1528
    long ret = 0;
1529

    
1530
    lock_user_struct(target_mb,msgp,0);
1531
    host_mb = malloc(msgsz+sizeof(long));
1532
    host_mb->mtype = tswapl(target_mb->mtype);
1533
    memcpy(host_mb->mtext,target_mb->mtext,msgsz);
1534
    ret = get_errno(msgsnd(msqid, host_mb, msgsz, msgflg));
1535
    free(host_mb);
1536
    unlock_user_struct(target_mb, msgp, 0);
1537

    
1538
    return ret;
1539
}
1540

    
1541
static inline long do_msgrcv(long msqid, long msgp, long msgsz, long msgtype, long msgflg)
1542
{
1543
    struct target_msgbuf *target_mb;
1544
    struct msgbuf *host_mb;
1545
    long ret = 0;
1546

    
1547
    lock_user_struct(target_mb, msgp, 0);
1548
    host_mb = malloc(msgsz+sizeof(long));
1549
    ret = get_errno(msgrcv(msqid, host_mb, msgsz, 1, msgflg));
1550
    if (ret > 0)
1551
            memcpy(target_mb->mtext, host_mb->mtext, ret);
1552
    target_mb->mtype = tswapl(host_mb->mtype);
1553
    free(host_mb);
1554
    unlock_user_struct(target_mb, msgp, 0);
1555

    
1556
    return ret;
1557
}
1558

    
1559
/* ??? This only works with linear mappings.  */
1560
static long do_ipc(long call, long first, long second, long third,
1561
                   long ptr, long fifth)
1562
{
1563
    int version;
1564
    long ret = 0;
1565
    unsigned long raddr;
1566
    struct shmid_ds shm_info;
1567
    int i;
1568

    
1569
    version = call >> 16;
1570
    call &= 0xffff;
1571

    
1572
    switch (call) {
1573
    case IPCOP_semop:
1574
        ret = get_errno(semop(first,(struct sembuf *) ptr, second));
1575
        break;
1576

    
1577
    case IPCOP_semget:
1578
        ret = get_errno(semget(first, second, third));
1579
        break;
1580

    
1581
    case IPCOP_semctl:
1582
        ret = do_semctl(first, second, third, ptr);
1583
        break;
1584

    
1585
    case IPCOP_semtimedop:
1586
        gemu_log("Unsupported ipc call: %ld (version %d)\n", call, version);
1587
        ret = -ENOSYS;
1588
        break;
1589

    
1590
        case IPCOP_msgget:
1591
                ret = get_errno(msgget(first, second));
1592
                break;
1593

    
1594
        case IPCOP_msgsnd:
1595
                ret = do_msgsnd(first, ptr, second, third);
1596
                break;
1597

    
1598
        case IPCOP_msgctl:
1599
                ret = do_msgctl(first, second, ptr);
1600
                break;
1601

    
1602
        case IPCOP_msgrcv:
1603
                {
1604
                      struct ipc_kludge
1605
                      {
1606
                              void *__unbounded msgp;
1607
                              long int msgtyp;
1608
                      };
1609

    
1610
                      struct ipc_kludge *foo = (struct ipc_kludge *) ptr;
1611
                      struct msgbuf *msgp = (struct msgbuf *) foo->msgp;
1612

    
1613
                      ret = do_msgrcv(first, (long)msgp, second, 0, third);
1614

    
1615
                }
1616
                break;
1617

    
1618
    case IPCOP_shmat:
1619
        /* SHM_* flags are the same on all linux platforms */
1620
        ret = get_errno((long) shmat(first, (void *) ptr, second));
1621
        if (is_error(ret))
1622
            break;
1623
        raddr = ret;
1624
        /* find out the length of the shared memory segment */
1625
        
1626
        ret = get_errno(shmctl(first, IPC_STAT, &shm_info));
1627
        if (is_error(ret)) {
1628
            /* can't get length, bail out */
1629
            shmdt((void *) raddr);
1630
            break;
1631
        }
1632
        page_set_flags(raddr, raddr + shm_info.shm_segsz,
1633
                       PAGE_VALID | PAGE_READ |
1634
                       ((second & SHM_RDONLY)? 0: PAGE_WRITE));
1635
        for (i = 0; i < N_SHM_REGIONS; ++i) {
1636
            if (shm_regions[i].start == 0) {
1637
                shm_regions[i].start = raddr;
1638
                shm_regions[i].size = shm_info.shm_segsz;
1639
                break;
1640
            }
1641
        }
1642
        if (put_user(raddr, (uint32_t *)third))
1643
            return -EFAULT;
1644
        ret = 0;
1645
        break;
1646
    case IPCOP_shmdt:
1647
        for (i = 0; i < N_SHM_REGIONS; ++i) {
1648
            if (shm_regions[i].start == ptr) {
1649
                shm_regions[i].start = 0;
1650
                page_set_flags(ptr, shm_regions[i].size, 0);
1651
                break;
1652
            }
1653
        }
1654
        ret = get_errno(shmdt((void *) ptr));
1655
        break;
1656

    
1657
    case IPCOP_shmget:
1658
        /* IPC_* flag values are the same on all linux platforms */
1659
        ret = get_errno(shmget(first, second, third));
1660
        break;
1661

    
1662
        /* IPC_* and SHM_* command values are the same on all linux platforms */
1663
    case IPCOP_shmctl:
1664
        switch(second) {
1665
        case IPC_RMID:
1666
        case SHM_LOCK:
1667
        case SHM_UNLOCK:
1668
            ret = get_errno(shmctl(first, second, NULL));
1669
            break;
1670
        default:
1671
            goto unimplemented;
1672
        }
1673
        break;
1674
    default:
1675
    unimplemented:
1676
        gemu_log("Unsupported ipc call: %ld (version %d)\n", call, version);
1677
        ret = -ENOSYS;
1678
        break;
1679
    }
1680
    return ret;
1681
}
1682

    
1683
/* kernel structure types definitions */
1684
#define IFNAMSIZ        16
1685

    
1686
#define STRUCT(name, list...) STRUCT_ ## name,
1687
#define STRUCT_SPECIAL(name) STRUCT_ ## name,
1688
enum {
1689
#include "syscall_types.h"
1690
};
1691
#undef STRUCT
1692
#undef STRUCT_SPECIAL
1693

    
1694
#define STRUCT(name, list...) const argtype struct_ ## name ## _def[] = { list, TYPE_NULL };
1695
#define STRUCT_SPECIAL(name)
1696
#include "syscall_types.h"
1697
#undef STRUCT
1698
#undef STRUCT_SPECIAL
1699

    
1700
typedef struct IOCTLEntry {
1701
    unsigned int target_cmd;
1702
    unsigned int host_cmd;
1703
    const char *name;
1704
    int access;
1705
    const argtype arg_type[5];
1706
} IOCTLEntry;
1707

    
1708
#define IOC_R 0x0001
1709
#define IOC_W 0x0002
1710
#define IOC_RW (IOC_R | IOC_W)
1711

    
1712
#define MAX_STRUCT_SIZE 4096
1713

    
1714
IOCTLEntry ioctl_entries[] = {
1715
#define IOCTL(cmd, access, types...) \
1716
    { TARGET_ ## cmd, cmd, #cmd, access, { types } },
1717
#include "ioctls.h"
1718
    { 0, 0, },
1719
};
1720

    
1721
/* ??? Implement proper locking for ioctls.  */
1722
static long do_ioctl(long fd, long cmd, long arg)
1723
{
1724
    const IOCTLEntry *ie;
1725
    const argtype *arg_type;
1726
    long ret;
1727
    uint8_t buf_temp[MAX_STRUCT_SIZE];
1728
    int target_size;
1729
    void *argptr;
1730

    
1731
    ie = ioctl_entries;
1732
    for(;;) {
1733
        if (ie->target_cmd == 0) {
1734
            gemu_log("Unsupported ioctl: cmd=0x%04lx\n", cmd);
1735
            return -ENOSYS;
1736
        }
1737
        if (ie->target_cmd == cmd)
1738
            break;
1739
        ie++;
1740
    }
1741
    arg_type = ie->arg_type;
1742
#if defined(DEBUG)
1743
    gemu_log("ioctl: cmd=0x%04lx (%s)\n", cmd, ie->name);
1744
#endif
1745
    switch(arg_type[0]) {
1746
    case TYPE_NULL:
1747
        /* no argument */
1748
        ret = get_errno(ioctl(fd, ie->host_cmd));
1749
        break;
1750
    case TYPE_PTRVOID:
1751
    case TYPE_INT:
1752
        /* int argment */
1753
        ret = get_errno(ioctl(fd, ie->host_cmd, arg));
1754
        break;
1755
    case TYPE_PTR:
1756
        arg_type++;
1757
        target_size = thunk_type_size(arg_type, 0);
1758
        switch(ie->access) {
1759
        case IOC_R:
1760
            ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp));
1761
            if (!is_error(ret)) {
1762
                argptr = lock_user(arg, target_size, 0);
1763
                thunk_convert(argptr, buf_temp, arg_type, THUNK_TARGET);
1764
                unlock_user(argptr, arg, target_size);
1765
            }
1766
            break;
1767
        case IOC_W:
1768
            argptr = lock_user(arg, target_size, 1);
1769
            thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST);
1770
            unlock_user(argptr, arg, 0);
1771
            ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp));
1772
            break;
1773
        default:
1774
        case IOC_RW:
1775
            argptr = lock_user(arg, target_size, 1);
1776
            thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST);
1777
            unlock_user(argptr, arg, 0);
1778
            ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp));
1779
            if (!is_error(ret)) {
1780
                argptr = lock_user(arg, target_size, 0);
1781
                thunk_convert(argptr, buf_temp, arg_type, THUNK_TARGET);
1782
                unlock_user(argptr, arg, target_size);
1783
            }
1784
            break;
1785
        }
1786
        break;
1787
    default:
1788
        gemu_log("Unsupported ioctl type: cmd=0x%04lx type=%d\n", cmd, arg_type[0]);
1789
        ret = -ENOSYS;
1790
        break;
1791
    }
1792
    return ret;
1793
}
1794

    
1795
bitmask_transtbl iflag_tbl[] = {
1796
        { TARGET_IGNBRK, TARGET_IGNBRK, IGNBRK, IGNBRK },
1797
        { TARGET_BRKINT, TARGET_BRKINT, BRKINT, BRKINT },
1798
        { TARGET_IGNPAR, TARGET_IGNPAR, IGNPAR, IGNPAR },
1799
        { TARGET_PARMRK, TARGET_PARMRK, PARMRK, PARMRK },
1800
        { TARGET_INPCK, TARGET_INPCK, INPCK, INPCK },
1801
        { TARGET_ISTRIP, TARGET_ISTRIP, ISTRIP, ISTRIP },
1802
        { TARGET_INLCR, TARGET_INLCR, INLCR, INLCR },
1803
        { TARGET_IGNCR, TARGET_IGNCR, IGNCR, IGNCR },
1804
        { TARGET_ICRNL, TARGET_ICRNL, ICRNL, ICRNL },
1805
        { TARGET_IUCLC, TARGET_IUCLC, IUCLC, IUCLC },
1806
        { TARGET_IXON, TARGET_IXON, IXON, IXON },
1807
        { TARGET_IXANY, TARGET_IXANY, IXANY, IXANY },
1808
        { TARGET_IXOFF, TARGET_IXOFF, IXOFF, IXOFF },
1809
        { TARGET_IMAXBEL, TARGET_IMAXBEL, IMAXBEL, IMAXBEL },
1810
        { 0, 0, 0, 0 }
1811
};
1812

    
1813
bitmask_transtbl oflag_tbl[] = {
1814
        { TARGET_OPOST, TARGET_OPOST, OPOST, OPOST },
1815
        { TARGET_OLCUC, TARGET_OLCUC, OLCUC, OLCUC },
1816
        { TARGET_ONLCR, TARGET_ONLCR, ONLCR, ONLCR },
1817
        { TARGET_OCRNL, TARGET_OCRNL, OCRNL, OCRNL },
1818
        { TARGET_ONOCR, TARGET_ONOCR, ONOCR, ONOCR },
1819
        { TARGET_ONLRET, TARGET_ONLRET, ONLRET, ONLRET },
1820
        { TARGET_OFILL, TARGET_OFILL, OFILL, OFILL },
1821
        { TARGET_OFDEL, TARGET_OFDEL, OFDEL, OFDEL },
1822
        { TARGET_NLDLY, TARGET_NL0, NLDLY, NL0 },
1823
        { TARGET_NLDLY, TARGET_NL1, NLDLY, NL1 },
1824
        { TARGET_CRDLY, TARGET_CR0, CRDLY, CR0 },
1825
        { TARGET_CRDLY, TARGET_CR1, CRDLY, CR1 },
1826
        { TARGET_CRDLY, TARGET_CR2, CRDLY, CR2 },
1827
        { TARGET_CRDLY, TARGET_CR3, CRDLY, CR3 },
1828
        { TARGET_TABDLY, TARGET_TAB0, TABDLY, TAB0 },
1829
        { TARGET_TABDLY, TARGET_TAB1, TABDLY, TAB1 },
1830
        { TARGET_TABDLY, TARGET_TAB2, TABDLY, TAB2 },
1831
        { TARGET_TABDLY, TARGET_TAB3, TABDLY, TAB3 },
1832
        { TARGET_BSDLY, TARGET_BS0, BSDLY, BS0 },
1833
        { TARGET_BSDLY, TARGET_BS1, BSDLY, BS1 },
1834
        { TARGET_VTDLY, TARGET_VT0, VTDLY, VT0 },
1835
        { TARGET_VTDLY, TARGET_VT1, VTDLY, VT1 },
1836
        { TARGET_FFDLY, TARGET_FF0, FFDLY, FF0 },
1837
        { TARGET_FFDLY, TARGET_FF1, FFDLY, FF1 },
1838
        { 0, 0, 0, 0 }
1839
};
1840

    
1841
bitmask_transtbl cflag_tbl[] = {
1842
        { TARGET_CBAUD, TARGET_B0, CBAUD, B0 },
1843
        { TARGET_CBAUD, TARGET_B50, CBAUD, B50 },
1844
        { TARGET_CBAUD, TARGET_B75, CBAUD, B75 },
1845
        { TARGET_CBAUD, TARGET_B110, CBAUD, B110 },
1846
        { TARGET_CBAUD, TARGET_B134, CBAUD, B134 },
1847
        { TARGET_CBAUD, TARGET_B150, CBAUD, B150 },
1848
        { TARGET_CBAUD, TARGET_B200, CBAUD, B200 },
1849
        { TARGET_CBAUD, TARGET_B300, CBAUD, B300 },
1850
        { TARGET_CBAUD, TARGET_B600, CBAUD, B600 },
1851
        { TARGET_CBAUD, TARGET_B1200, CBAUD, B1200 },
1852
        { TARGET_CBAUD, TARGET_B1800, CBAUD, B1800 },
1853
        { TARGET_CBAUD, TARGET_B2400, CBAUD, B2400 },
1854
        { TARGET_CBAUD, TARGET_B4800, CBAUD, B4800 },
1855
        { TARGET_CBAUD, TARGET_B9600, CBAUD, B9600 },
1856
        { TARGET_CBAUD, TARGET_B19200, CBAUD, B19200 },
1857
        { TARGET_CBAUD, TARGET_B38400, CBAUD, B38400 },
1858
        { TARGET_CBAUD, TARGET_B57600, CBAUD, B57600 },
1859
        { TARGET_CBAUD, TARGET_B115200, CBAUD, B115200 },
1860
        { TARGET_CBAUD, TARGET_B230400, CBAUD, B230400 },
1861
        { TARGET_CBAUD, TARGET_B460800, CBAUD, B460800 },
1862
        { TARGET_CSIZE, TARGET_CS5, CSIZE, CS5 },
1863
        { TARGET_CSIZE, TARGET_CS6, CSIZE, CS6 },
1864
        { TARGET_CSIZE, TARGET_CS7, CSIZE, CS7 },
1865
        { TARGET_CSIZE, TARGET_CS8, CSIZE, CS8 },
1866
        { TARGET_CSTOPB, TARGET_CSTOPB, CSTOPB, CSTOPB },
1867
        { TARGET_CREAD, TARGET_CREAD, CREAD, CREAD },
1868
        { TARGET_PARENB, TARGET_PARENB, PARENB, PARENB },
1869
        { TARGET_PARODD, TARGET_PARODD, PARODD, PARODD },
1870
        { TARGET_HUPCL, TARGET_HUPCL, HUPCL, HUPCL },
1871
        { TARGET_CLOCAL, TARGET_CLOCAL, CLOCAL, CLOCAL },
1872
        { TARGET_CRTSCTS, TARGET_CRTSCTS, CRTSCTS, CRTSCTS },
1873
        { 0, 0, 0, 0 }
1874
};
1875

    
1876
bitmask_transtbl lflag_tbl[] = {
1877
        { TARGET_ISIG, TARGET_ISIG, ISIG, ISIG },
1878
        { TARGET_ICANON, TARGET_ICANON, ICANON, ICANON },
1879
        { TARGET_XCASE, TARGET_XCASE, XCASE, XCASE },
1880
        { TARGET_ECHO, TARGET_ECHO, ECHO, ECHO },
1881
        { TARGET_ECHOE, TARGET_ECHOE, ECHOE, ECHOE },
1882
        { TARGET_ECHOK, TARGET_ECHOK, ECHOK, ECHOK },
1883
        { TARGET_ECHONL, TARGET_ECHONL, ECHONL, ECHONL },
1884
        { TARGET_NOFLSH, TARGET_NOFLSH, NOFLSH, NOFLSH },
1885
        { TARGET_TOSTOP, TARGET_TOSTOP, TOSTOP, TOSTOP },
1886
        { TARGET_ECHOCTL, TARGET_ECHOCTL, ECHOCTL, ECHOCTL },
1887
        { TARGET_ECHOPRT, TARGET_ECHOPRT, ECHOPRT, ECHOPRT },
1888
        { TARGET_ECHOKE, TARGET_ECHOKE, ECHOKE, ECHOKE },
1889
        { TARGET_FLUSHO, TARGET_FLUSHO, FLUSHO, FLUSHO },
1890
        { TARGET_PENDIN, TARGET_PENDIN, PENDIN, PENDIN },
1891
        { TARGET_IEXTEN, TARGET_IEXTEN, IEXTEN, IEXTEN },
1892
        { 0, 0, 0, 0 }
1893
};
1894

    
1895
static void target_to_host_termios (void *dst, const void *src)
1896
{
1897
    struct host_termios *host = dst;
1898
    const struct target_termios *target = src;
1899
    
1900
    host->c_iflag = 
1901
        target_to_host_bitmask(tswap32(target->c_iflag), iflag_tbl);
1902
    host->c_oflag = 
1903
        target_to_host_bitmask(tswap32(target->c_oflag), oflag_tbl);
1904
    host->c_cflag = 
1905
        target_to_host_bitmask(tswap32(target->c_cflag), cflag_tbl);
1906
    host->c_lflag = 
1907
        target_to_host_bitmask(tswap32(target->c_lflag), lflag_tbl);
1908
    host->c_line = target->c_line;
1909
    
1910
    host->c_cc[VINTR] = target->c_cc[TARGET_VINTR]; 
1911
    host->c_cc[VQUIT] = target->c_cc[TARGET_VQUIT]; 
1912
    host->c_cc[VERASE] = target->c_cc[TARGET_VERASE];       
1913
    host->c_cc[VKILL] = target->c_cc[TARGET_VKILL]; 
1914
    host->c_cc[VEOF] = target->c_cc[TARGET_VEOF];   
1915
    host->c_cc[VTIME] = target->c_cc[TARGET_VTIME]; 
1916
    host->c_cc[VMIN] = target->c_cc[TARGET_VMIN];   
1917
    host->c_cc[VSWTC] = target->c_cc[TARGET_VSWTC]; 
1918
    host->c_cc[VSTART] = target->c_cc[TARGET_VSTART];       
1919
    host->c_cc[VSTOP] = target->c_cc[TARGET_VSTOP]; 
1920
    host->c_cc[VSUSP] = target->c_cc[TARGET_VSUSP]; 
1921
    host->c_cc[VEOL] = target->c_cc[TARGET_VEOL];   
1922
    host->c_cc[VREPRINT] = target->c_cc[TARGET_VREPRINT];   
1923
    host->c_cc[VDISCARD] = target->c_cc[TARGET_VDISCARD];   
1924
    host->c_cc[VWERASE] = target->c_cc[TARGET_VWERASE];     
1925
    host->c_cc[VLNEXT] = target->c_cc[TARGET_VLNEXT];       
1926
    host->c_cc[VEOL2] = target->c_cc[TARGET_VEOL2]; 
1927
}
1928
  
1929
static void host_to_target_termios (void *dst, const void *src)
1930
{
1931
    struct target_termios *target = dst;
1932
    const struct host_termios *host = src;
1933

    
1934
    target->c_iflag = 
1935
        tswap32(host_to_target_bitmask(host->c_iflag, iflag_tbl));
1936
    target->c_oflag = 
1937
        tswap32(host_to_target_bitmask(host->c_oflag, oflag_tbl));
1938
    target->c_cflag = 
1939
        tswap32(host_to_target_bitmask(host->c_cflag, cflag_tbl));
1940
    target->c_lflag = 
1941
        tswap32(host_to_target_bitmask(host->c_lflag, lflag_tbl));
1942
    target->c_line = host->c_line;
1943
  
1944
    target->c_cc[TARGET_VINTR] = host->c_cc[VINTR];
1945
    target->c_cc[TARGET_VQUIT] = host->c_cc[VQUIT];
1946
    target->c_cc[TARGET_VERASE] = host->c_cc[VERASE];
1947
    target->c_cc[TARGET_VKILL] = host->c_cc[VKILL];
1948
    target->c_cc[TARGET_VEOF] = host->c_cc[VEOF];
1949
    target->c_cc[TARGET_VTIME] = host->c_cc[VTIME];
1950
    target->c_cc[TARGET_VMIN] = host->c_cc[VMIN];
1951
    target->c_cc[TARGET_VSWTC] = host->c_cc[VSWTC];
1952
    target->c_cc[TARGET_VSTART] = host->c_cc[VSTART];
1953
    target->c_cc[TARGET_VSTOP] = host->c_cc[VSTOP];
1954
    target->c_cc[TARGET_VSUSP] = host->c_cc[VSUSP];
1955
    target->c_cc[TARGET_VEOL] = host->c_cc[VEOL];
1956
    target->c_cc[TARGET_VREPRINT] = host->c_cc[VREPRINT];
1957
    target->c_cc[TARGET_VDISCARD] = host->c_cc[VDISCARD];
1958
    target->c_cc[TARGET_VWERASE] = host->c_cc[VWERASE];
1959
    target->c_cc[TARGET_VLNEXT] = host->c_cc[VLNEXT];
1960
    target->c_cc[TARGET_VEOL2] = host->c_cc[VEOL2];
1961
}
1962

    
1963
StructEntry struct_termios_def = {
1964
    .convert = { host_to_target_termios, target_to_host_termios },
1965
    .size = { sizeof(struct target_termios), sizeof(struct host_termios) },
1966
    .align = { __alignof__(struct target_termios), __alignof__(struct host_termios) },
1967
};
1968

    
1969
static bitmask_transtbl mmap_flags_tbl[] = {
1970
        { TARGET_MAP_SHARED, TARGET_MAP_SHARED, MAP_SHARED, MAP_SHARED },
1971
        { TARGET_MAP_PRIVATE, TARGET_MAP_PRIVATE, MAP_PRIVATE, MAP_PRIVATE },
1972
        { TARGET_MAP_FIXED, TARGET_MAP_FIXED, MAP_FIXED, MAP_FIXED },
1973
        { TARGET_MAP_ANONYMOUS, TARGET_MAP_ANONYMOUS, MAP_ANONYMOUS, MAP_ANONYMOUS },
1974
        { TARGET_MAP_GROWSDOWN, TARGET_MAP_GROWSDOWN, MAP_GROWSDOWN, MAP_GROWSDOWN },
1975
        { TARGET_MAP_DENYWRITE, TARGET_MAP_DENYWRITE, MAP_DENYWRITE, MAP_DENYWRITE },
1976
        { TARGET_MAP_EXECUTABLE, TARGET_MAP_EXECUTABLE, MAP_EXECUTABLE, MAP_EXECUTABLE },
1977
        { TARGET_MAP_LOCKED, TARGET_MAP_LOCKED, MAP_LOCKED, MAP_LOCKED },
1978
        { 0, 0, 0, 0 }
1979
};
1980

    
1981
static bitmask_transtbl fcntl_flags_tbl[] = {
1982
        { TARGET_O_ACCMODE,   TARGET_O_WRONLY,    O_ACCMODE,   O_WRONLY,    },
1983
        { TARGET_O_ACCMODE,   TARGET_O_RDWR,      O_ACCMODE,   O_RDWR,      },
1984
        { TARGET_O_CREAT,     TARGET_O_CREAT,     O_CREAT,     O_CREAT,     },
1985
        { TARGET_O_EXCL,      TARGET_O_EXCL,      O_EXCL,      O_EXCL,      },
1986
        { TARGET_O_NOCTTY,    TARGET_O_NOCTTY,    O_NOCTTY,    O_NOCTTY,    },
1987
        { TARGET_O_TRUNC,     TARGET_O_TRUNC,     O_TRUNC,     O_TRUNC,     },
1988
        { TARGET_O_APPEND,    TARGET_O_APPEND,    O_APPEND,    O_APPEND,    },
1989
        { TARGET_O_NONBLOCK,  TARGET_O_NONBLOCK,  O_NONBLOCK,  O_NONBLOCK,  },
1990
        { TARGET_O_SYNC,      TARGET_O_SYNC,      O_SYNC,      O_SYNC,      },
1991
        { TARGET_FASYNC,      TARGET_FASYNC,      FASYNC,      FASYNC,      },
1992
        { TARGET_O_DIRECTORY, TARGET_O_DIRECTORY, O_DIRECTORY, O_DIRECTORY, },
1993
        { TARGET_O_NOFOLLOW,  TARGET_O_NOFOLLOW,  O_NOFOLLOW,  O_NOFOLLOW,  },
1994
        { TARGET_O_LARGEFILE, TARGET_O_LARGEFILE, O_LARGEFILE, O_LARGEFILE, },
1995
#if defined(O_DIRECT)
1996
        { TARGET_O_DIRECT,    TARGET_O_DIRECT,    O_DIRECT,    O_DIRECT,    },
1997
#endif
1998
        { 0, 0, 0, 0 }
1999
};
2000

    
2001
#if defined(TARGET_I386)
2002

    
2003
/* NOTE: there is really one LDT for all the threads */
2004
uint8_t *ldt_table;
2005

    
2006
static int read_ldt(target_ulong ptr, unsigned long bytecount)
2007
{
2008
    int size;
2009
    void *p;
2010

    
2011
    if (!ldt_table)
2012
        return 0;
2013
    size = TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE;
2014
    if (size > bytecount)
2015
        size = bytecount;
2016
    p = lock_user(ptr, size, 0);
2017
    /* ??? Shoudl this by byteswapped?  */
2018
    memcpy(p, ldt_table, size);
2019
    unlock_user(p, ptr, size);
2020
    return size;
2021
}
2022

    
2023
/* XXX: add locking support */
2024
static int write_ldt(CPUX86State *env, 
2025
                     target_ulong ptr, unsigned long bytecount, int oldmode)
2026
{
2027
    struct target_modify_ldt_ldt_s ldt_info;
2028
    struct target_modify_ldt_ldt_s *target_ldt_info;
2029
    int seg_32bit, contents, read_exec_only, limit_in_pages;
2030
    int seg_not_present, useable;
2031
    uint32_t *lp, entry_1, entry_2;
2032

    
2033
    if (bytecount != sizeof(ldt_info))
2034
        return -EINVAL;
2035
    lock_user_struct(target_ldt_info, ptr, 1);
2036
    ldt_info.entry_number = tswap32(target_ldt_info->entry_number);
2037
    ldt_info.base_addr = tswapl(target_ldt_info->base_addr);
2038
    ldt_info.limit = tswap32(target_ldt_info->limit);
2039
    ldt_info.flags = tswap32(target_ldt_info->flags);
2040
    unlock_user_struct(target_ldt_info, ptr, 0);
2041
    
2042
    if (ldt_info.entry_number >= TARGET_LDT_ENTRIES)
2043
        return -EINVAL;
2044
    seg_32bit = ldt_info.flags & 1;
2045
    contents = (ldt_info.flags >> 1) & 3;
2046
    read_exec_only = (ldt_info.flags >> 3) & 1;
2047
    limit_in_pages = (ldt_info.flags >> 4) & 1;
2048
    seg_not_present = (ldt_info.flags >> 5) & 1;
2049
    useable = (ldt_info.flags >> 6) & 1;
2050

    
2051
    if (contents == 3) {
2052
        if (oldmode)
2053
            return -EINVAL;
2054
        if (seg_not_present == 0)
2055
            return -EINVAL;
2056
    }
2057
    /* allocate the LDT */
2058
    if (!ldt_table) {
2059
        ldt_table = malloc(TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE);
2060
        if (!ldt_table)
2061
            return -ENOMEM;
2062
        memset(ldt_table, 0, TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE);
2063
        env->ldt.base = h2g(ldt_table);
2064
        env->ldt.limit = 0xffff;
2065
    }
2066

    
2067
    /* NOTE: same code as Linux kernel */
2068
    /* Allow LDTs to be cleared by the user. */
2069
    if (ldt_info.base_addr == 0 && ldt_info.limit == 0) {
2070
        if (oldmode ||
2071
            (contents == 0                &&
2072
             read_exec_only == 1        &&
2073
             seg_32bit == 0                &&
2074
             limit_in_pages == 0        &&
2075
             seg_not_present == 1        &&
2076
             useable == 0 )) {
2077
            entry_1 = 0;
2078
            entry_2 = 0;
2079
            goto install;
2080
        }
2081
    }
2082
    
2083
    entry_1 = ((ldt_info.base_addr & 0x0000ffff) << 16) |
2084
        (ldt_info.limit & 0x0ffff);
2085
    entry_2 = (ldt_info.base_addr & 0xff000000) |
2086
        ((ldt_info.base_addr & 0x00ff0000) >> 16) |
2087
        (ldt_info.limit & 0xf0000) |
2088
        ((read_exec_only ^ 1) << 9) |
2089
        (contents << 10) |
2090
        ((seg_not_present ^ 1) << 15) |
2091
        (seg_32bit << 22) |
2092
        (limit_in_pages << 23) |
2093
        0x7000;
2094
    if (!oldmode)
2095
        entry_2 |= (useable << 20);
2096

    
2097
    /* Install the new entry ...  */
2098
install:
2099
    lp = (uint32_t *)(ldt_table + (ldt_info.entry_number << 3));
2100
    lp[0] = tswap32(entry_1);
2101
    lp[1] = tswap32(entry_2);
2102
    return 0;
2103
}
2104

    
2105
/* specific and weird i386 syscalls */
2106
int do_modify_ldt(CPUX86State *env, int func, target_ulong ptr, unsigned long bytecount)
2107
{
2108
    int ret = -ENOSYS;
2109
    
2110
    switch (func) {
2111
    case 0:
2112
        ret = read_ldt(ptr, bytecount);
2113
        break;
2114
    case 1:
2115
        ret = write_ldt(env, ptr, bytecount, 1);
2116
        break;
2117
    case 0x11:
2118
        ret = write_ldt(env, ptr, bytecount, 0);
2119
        break;
2120
    }
2121
    return ret;
2122
}
2123

    
2124
#endif /* defined(TARGET_I386) */
2125

    
2126
/* this stack is the equivalent of the kernel stack associated with a
2127
   thread/process */
2128
#define NEW_STACK_SIZE 8192
2129

    
2130
static int clone_func(void *arg)
2131
{
2132
    CPUState *env = arg;
2133
    cpu_loop(env);
2134
    /* never exits */
2135
    return 0;
2136
}
2137

    
2138
int do_fork(CPUState *env, unsigned int flags, unsigned long newsp)
2139
{
2140
    int ret;
2141
    TaskState *ts;
2142
    uint8_t *new_stack;
2143
    CPUState *new_env;
2144
    
2145
    if (flags & CLONE_VM) {
2146
        ts = malloc(sizeof(TaskState) + NEW_STACK_SIZE);
2147
        memset(ts, 0, sizeof(TaskState));
2148
        new_stack = ts->stack;
2149
        ts->used = 1;
2150
        /* add in task state list */
2151
        ts->next = first_task_state;
2152
        first_task_state = ts;
2153
        /* we create a new CPU instance. */
2154
        new_env = cpu_copy(env);
2155
#if defined(TARGET_I386)
2156
        if (!newsp)
2157
            newsp = env->regs[R_ESP];
2158
        new_env->regs[R_ESP] = newsp;
2159
        new_env->regs[R_EAX] = 0;
2160
#elif defined(TARGET_ARM)
2161
        if (!newsp)
2162
            newsp = env->regs[13];
2163
        new_env->regs[13] = newsp;
2164
        new_env->regs[0] = 0;
2165
#elif defined(TARGET_SPARC)
2166
        if (!newsp)
2167
            newsp = env->regwptr[22];
2168
        new_env->regwptr[22] = newsp;
2169
        new_env->regwptr[0] = 0;
2170
        /* XXXXX */
2171
        printf ("HELPME: %s:%d\n", __FILE__, __LINE__);
2172
#elif defined(TARGET_M68K)
2173
        if (!newsp)
2174
            newsp = env->aregs[7];
2175
        new_env->aregs[7] = newsp;
2176
        new_env->dregs[0] = 0;
2177
        /* ??? is this sufficient?  */
2178
#elif defined(TARGET_MIPS)
2179
        if (!newsp)
2180
            newsp = env->gpr[29];
2181
        new_env->gpr[29] = newsp;
2182
#elif defined(TARGET_PPC)
2183
        if (!newsp)
2184
            newsp = env->gpr[1];
2185
        new_env->gpr[1] = newsp;
2186
        { 
2187
            int i;
2188
            for (i = 7; i < 32; i++)
2189
                new_env->gpr[i] = 0;
2190
        }
2191
#elif defined(TARGET_SH4)
2192
        if (!newsp)
2193
          newsp = env->gregs[15];
2194
        new_env->gregs[15] = newsp;
2195
        /* XXXXX */
2196
#elif defined(TARGET_ALPHA)
2197
       if (!newsp)
2198
         newsp = env->ir[30];
2199
       new_env->ir[30] = newsp;
2200
        /* ? */
2201
        {
2202
            int i;
2203
            for (i = 7; i < 30; i++)
2204
                new_env->ir[i] = 0;
2205
        }
2206
#else
2207
#error unsupported target CPU
2208
#endif
2209
        new_env->opaque = ts;
2210
#ifdef __ia64__
2211
        ret = __clone2(clone_func, new_stack + NEW_STACK_SIZE, flags, new_env);
2212
#else
2213
        ret = clone(clone_func, new_stack + NEW_STACK_SIZE, flags, new_env);
2214
#endif
2215
    } else {
2216
        /* if no CLONE_VM, we consider it is a fork */
2217
        if ((flags & ~CSIGNAL) != 0)
2218
            return -EINVAL;
2219
        ret = fork();
2220
    }
2221
    return ret;
2222
}
2223

    
2224
static long do_fcntl(int fd, int cmd, target_ulong arg)
2225
{
2226
    struct flock fl;
2227
    struct target_flock *target_fl;
2228
    struct flock64 fl64;
2229
    struct target_flock64 *target_fl64;
2230
    long ret;
2231

    
2232
    switch(cmd) {
2233
    case TARGET_F_GETLK:
2234
        lock_user_struct(target_fl, arg, 1);
2235
        fl.l_type = tswap16(target_fl->l_type);
2236
        fl.l_whence = tswap16(target_fl->l_whence);
2237
        fl.l_start = tswapl(target_fl->l_start);
2238
        fl.l_len = tswapl(target_fl->l_len);
2239
        fl.l_pid = tswapl(target_fl->l_pid);
2240
        unlock_user_struct(target_fl, arg, 0);
2241
        ret = fcntl(fd, cmd, &fl);
2242
        if (ret == 0) {
2243
            lock_user_struct(target_fl, arg, 0);
2244
            target_fl->l_type = tswap16(fl.l_type);
2245
            target_fl->l_whence = tswap16(fl.l_whence);
2246
            target_fl->l_start = tswapl(fl.l_start);
2247
            target_fl->l_len = tswapl(fl.l_len);
2248
            target_fl->l_pid = tswapl(fl.l_pid);
2249
            unlock_user_struct(target_fl, arg, 1);
2250
        }
2251
        break;
2252
        
2253
    case TARGET_F_SETLK:
2254
    case TARGET_F_SETLKW:
2255
        lock_user_struct(target_fl, arg, 1);
2256
        fl.l_type = tswap16(target_fl->l_type);
2257
        fl.l_whence = tswap16(target_fl->l_whence);
2258
        fl.l_start = tswapl(target_fl->l_start);
2259
        fl.l_len = tswapl(target_fl->l_len);
2260
        fl.l_pid = tswapl(target_fl->l_pid);
2261
        unlock_user_struct(target_fl, arg, 0);
2262
        ret = fcntl(fd, cmd, &fl);
2263
        break;
2264
        
2265
    case TARGET_F_GETLK64:
2266
        lock_user_struct(target_fl64, arg, 1);
2267
        fl64.l_type = tswap16(target_fl64->l_type) >> 1;
2268
        fl64.l_whence = tswap16(target_fl64->l_whence);
2269
        fl64.l_start = tswapl(target_fl64->l_start);
2270
        fl64.l_len = tswapl(target_fl64->l_len);
2271
        fl64.l_pid = tswap16(target_fl64->l_pid);
2272
        unlock_user_struct(target_fl64, arg, 0);
2273
        ret = fcntl(fd, cmd >> 1, &fl64);
2274
        if (ret == 0) {
2275
            lock_user_struct(target_fl64, arg, 0);
2276
            target_fl64->l_type = tswap16(fl64.l_type) >> 1;
2277
            target_fl64->l_whence = tswap16(fl64.l_whence);
2278
            target_fl64->l_start = tswapl(fl64.l_start);
2279
            target_fl64->l_len = tswapl(fl64.l_len);
2280
            target_fl64->l_pid = tswapl(fl64.l_pid);
2281
            unlock_user_struct(target_fl64, arg, 1);
2282
        }
2283
                break;
2284
    case TARGET_F_SETLK64:
2285
    case TARGET_F_SETLKW64:
2286
        lock_user_struct(target_fl64, arg, 1);
2287
        fl64.l_type = tswap16(target_fl64->l_type) >> 1;
2288
        fl64.l_whence = tswap16(target_fl64->l_whence);
2289
        fl64.l_start = tswapl(target_fl64->l_start);
2290
        fl64.l_len = tswapl(target_fl64->l_len);
2291
        fl64.l_pid = tswap16(target_fl64->l_pid);
2292
        unlock_user_struct(target_fl64, arg, 0);
2293
                ret = fcntl(fd, cmd >> 1, &fl64);
2294
        break;
2295

    
2296
    case F_GETFL:
2297
        ret = fcntl(fd, cmd, arg);
2298
        ret = host_to_target_bitmask(ret, fcntl_flags_tbl);
2299
        break;
2300

    
2301
    case F_SETFL:
2302
        ret = fcntl(fd, cmd, target_to_host_bitmask(arg, fcntl_flags_tbl));
2303
        break;
2304

    
2305
    default:
2306
        ret = fcntl(fd, cmd, arg);
2307
        break;
2308
    }
2309
    return ret;
2310
}
2311

    
2312
#ifdef USE_UID16
2313

    
2314
static inline int high2lowuid(int uid)
2315
{
2316
    if (uid > 65535)
2317
        return 65534;
2318
    else
2319
        return uid;
2320
}
2321

    
2322
static inline int high2lowgid(int gid)
2323
{
2324
    if (gid > 65535)
2325
        return 65534;
2326
    else
2327
        return gid;
2328
}
2329

    
2330
static inline int low2highuid(int uid)
2331
{
2332
    if ((int16_t)uid == -1)
2333
        return -1;
2334
    else
2335
        return uid;
2336
}
2337

    
2338
static inline int low2highgid(int gid)
2339
{
2340
    if ((int16_t)gid == -1)
2341
        return -1;
2342
    else
2343
        return gid;
2344
}
2345

    
2346
#endif /* USE_UID16 */
2347

    
2348
void syscall_init(void)
2349
{
2350
    IOCTLEntry *ie;
2351
    const argtype *arg_type;
2352
    int size;
2353

    
2354
#define STRUCT(name, list...) thunk_register_struct(STRUCT_ ## name, #name, struct_ ## name ## _def); 
2355
#define STRUCT_SPECIAL(name) thunk_register_struct_direct(STRUCT_ ## name, #name, &struct_ ## name ## _def); 
2356
#include "syscall_types.h"
2357
#undef STRUCT
2358
#undef STRUCT_SPECIAL
2359

    
2360
    /* we patch the ioctl size if necessary. We rely on the fact that
2361
       no ioctl has all the bits at '1' in the size field */
2362
    ie = ioctl_entries;
2363
    while (ie->target_cmd != 0) {
2364
        if (((ie->target_cmd >> TARGET_IOC_SIZESHIFT) & TARGET_IOC_SIZEMASK) ==
2365
            TARGET_IOC_SIZEMASK) {
2366
            arg_type = ie->arg_type;
2367
            if (arg_type[0] != TYPE_PTR) {
2368
                fprintf(stderr, "cannot patch size for ioctl 0x%x\n", 
2369
                        ie->target_cmd);
2370
                exit(1);
2371
            }
2372
            arg_type++;
2373
            size = thunk_type_size(arg_type, 0);
2374
            ie->target_cmd = (ie->target_cmd & 
2375
                              ~(TARGET_IOC_SIZEMASK << TARGET_IOC_SIZESHIFT)) |
2376
                (size << TARGET_IOC_SIZESHIFT);
2377
        }
2378
        /* automatic consistency check if same arch */
2379
#if defined(__i386__) && defined(TARGET_I386)
2380
        if (ie->target_cmd != ie->host_cmd) {
2381
            fprintf(stderr, "ERROR: ioctl: target=0x%x host=0x%x\n", 
2382
                    ie->target_cmd, ie->host_cmd);
2383
        }
2384
#endif
2385
        ie++;
2386
    }
2387
}
2388

    
2389
static inline uint64_t target_offset64(uint32_t word0, uint32_t word1)
2390
{
2391
#ifdef TARGET_WORDS_BIG_ENDIAN
2392
    return ((uint64_t)word0 << 32) | word1;
2393
#else
2394
    return ((uint64_t)word1 << 32) | word0;
2395
#endif
2396
}
2397

    
2398
#ifdef TARGET_NR_truncate64
2399
static inline long target_truncate64(void *cpu_env, const char *arg1,
2400
                                     long arg2, long arg3, long arg4)
2401
{
2402
#ifdef TARGET_ARM
2403
    if (((CPUARMState *)cpu_env)->eabi)
2404
      {
2405
        arg2 = arg3;
2406
        arg3 = arg4;
2407
      }
2408
#endif
2409
    return get_errno(truncate64(arg1, target_offset64(arg2, arg3)));
2410
}
2411
#endif
2412

    
2413
#ifdef TARGET_NR_ftruncate64
2414
static inline long target_ftruncate64(void *cpu_env, long arg1, long arg2,
2415
                                      long arg3, long arg4)
2416
{
2417
#ifdef TARGET_ARM
2418
    if (((CPUARMState *)cpu_env)->eabi)
2419
      {
2420
        arg2 = arg3;
2421
        arg3 = arg4;
2422
      }
2423
#endif
2424
    return get_errno(ftruncate64(arg1, target_offset64(arg2, arg3)));
2425
}
2426
#endif
2427

    
2428
static inline void target_to_host_timespec(struct timespec *host_ts,
2429
                                           target_ulong target_addr)
2430
{
2431
    struct target_timespec *target_ts;
2432

    
2433
    lock_user_struct(target_ts, target_addr, 1);
2434
    host_ts->tv_sec = tswapl(target_ts->tv_sec);
2435
    host_ts->tv_nsec = tswapl(target_ts->tv_nsec);
2436
    unlock_user_struct(target_ts, target_addr, 0);
2437
}
2438

    
2439
static inline void host_to_target_timespec(target_ulong target_addr,
2440
                                           struct timespec *host_ts)
2441
{
2442
    struct target_timespec *target_ts;
2443

    
2444
    lock_user_struct(target_ts, target_addr, 0);
2445
    target_ts->tv_sec = tswapl(host_ts->tv_sec);
2446
    target_ts->tv_nsec = tswapl(host_ts->tv_nsec);
2447
    unlock_user_struct(target_ts, target_addr, 1);
2448
}
2449

    
2450
long do_syscall(void *cpu_env, int num, long arg1, long arg2, long arg3, 
2451
                long arg4, long arg5, long arg6)
2452
{
2453
    long ret;
2454
    struct stat st;
2455
    struct statfs stfs;
2456
    void *p;
2457
    
2458
#ifdef DEBUG
2459
    gemu_log("syscall %d", num);
2460
#endif
2461
    switch(num) {
2462
    case TARGET_NR_exit:
2463
#ifdef HAVE_GPROF
2464
        _mcleanup();
2465
#endif
2466
        gdb_exit(cpu_env, arg1);
2467
        /* XXX: should free thread stack and CPU env */
2468
        _exit(arg1);
2469
        ret = 0; /* avoid warning */
2470
        break;
2471
    case TARGET_NR_read:
2472
        page_unprotect_range(arg2, arg3);
2473
        p = lock_user(arg2, arg3, 0);
2474
        ret = get_errno(read(arg1, p, arg3));
2475
        unlock_user(p, arg2, ret);
2476
        break;
2477
    case TARGET_NR_write:
2478
        p = lock_user(arg2, arg3, 1);
2479
        ret = get_errno(write(arg1, p, arg3));
2480
        unlock_user(p, arg2, 0);
2481
        break;
2482
    case TARGET_NR_open:
2483
        p = lock_user_string(arg1);
2484
        ret = get_errno(open(path(p),
2485
                             target_to_host_bitmask(arg2, fcntl_flags_tbl),
2486
                             arg3));
2487
        unlock_user(p, arg1, 0);
2488
        break;
2489
    case TARGET_NR_close:
2490
        ret = get_errno(close(arg1));
2491
        break;
2492
    case TARGET_NR_brk:
2493
        ret = do_brk(arg1);
2494
        break;
2495
    case TARGET_NR_fork:
2496
        ret = get_errno(do_fork(cpu_env, SIGCHLD, 0));
2497
        break;
2498
#ifdef TARGET_NR_waitpid
2499
    case TARGET_NR_waitpid:
2500
        {
2501
            int status;
2502
            ret = get_errno(waitpid(arg1, &status, arg3));
2503
            if (!is_error(ret) && arg2)
2504
                tput32(arg2, status);
2505
        }
2506
        break;
2507
#endif
2508
#ifdef TARGET_NR_creat /* not on alpha */
2509
    case TARGET_NR_creat:
2510
        p = lock_user_string(arg1);
2511
        ret = get_errno(creat(p, arg2));
2512
        unlock_user(p, arg1, 0);
2513
        break;
2514
#endif
2515
    case TARGET_NR_link:
2516
        {
2517
            void * p2;
2518
            p = lock_user_string(arg1);
2519
            p2 = lock_user_string(arg2);
2520
            ret = get_errno(link(p, p2));
2521
            unlock_user(p2, arg2, 0);
2522
            unlock_user(p, arg1, 0);
2523
        }
2524
        break;
2525
    case TARGET_NR_unlink:
2526
        p = lock_user_string(arg1);
2527
        ret = get_errno(unlink(p));
2528
        unlock_user(p, arg1, 0);
2529
        break;
2530
    case TARGET_NR_execve:
2531
        {
2532
            char **argp, **envp;
2533
            int argc, envc;
2534
            target_ulong gp;
2535
            target_ulong guest_argp;
2536
            target_ulong guest_envp;
2537
            target_ulong addr;
2538
            char **q;
2539

    
2540
            argc = 0;
2541
            guest_argp = arg2;
2542
            for (gp = guest_argp; tgetl(gp); gp++)
2543
                argc++;
2544
            envc = 0;
2545
            guest_envp = arg3;
2546
            for (gp = guest_envp; tgetl(gp); gp++)
2547
                envc++;
2548

    
2549
            argp = alloca((argc + 1) * sizeof(void *));
2550
            envp = alloca((envc + 1) * sizeof(void *));
2551

    
2552
            for (gp = guest_argp, q = argp; ;
2553
                  gp += sizeof(target_ulong), q++) {
2554
                addr = tgetl(gp);
2555
                if (!addr)
2556
                    break;
2557
                *q = lock_user_string(addr);
2558
            }
2559
            *q = NULL;
2560

    
2561
            for (gp = guest_envp, q = envp; ;
2562
                  gp += sizeof(target_ulong), q++) {
2563
                addr = tgetl(gp);
2564
                if (!addr)
2565
                    break;
2566
                *q = lock_user_string(addr);
2567
            }
2568
            *q = NULL;
2569

    
2570
            p = lock_user_string(arg1);
2571
            ret = get_errno(execve(p, argp, envp));
2572
            unlock_user(p, arg1, 0);
2573

    
2574
            for (gp = guest_argp, q = argp; *q;
2575
                  gp += sizeof(target_ulong), q++) {
2576
                addr = tgetl(gp);
2577
                unlock_user(*q, addr, 0);
2578
            }
2579
            for (gp = guest_envp, q = envp; *q;
2580
                  gp += sizeof(target_ulong), q++) {
2581
                addr = tgetl(gp);
2582
                unlock_user(*q, addr, 0);
2583
            }
2584
        }
2585
        break;
2586
    case TARGET_NR_chdir:
2587
        p = lock_user_string(arg1);
2588
        ret = get_errno(chdir(p));
2589
        unlock_user(p, arg1, 0);
2590
        break;
2591
#ifdef TARGET_NR_time
2592
    case TARGET_NR_time:
2593
        {
2594
            time_t host_time;
2595
            ret = get_errno(time(&host_time));
2596
            if (!is_error(ret) && arg1)
2597
                tputl(arg1, host_time);
2598
        }
2599
        break;
2600
#endif
2601
    case TARGET_NR_mknod:
2602
        p = lock_user_string(arg1);
2603
        ret = get_errno(mknod(p, arg2, arg3));
2604
        unlock_user(p, arg1, 0);
2605
        break;
2606
    case TARGET_NR_chmod:
2607
        p = lock_user_string(arg1);
2608
        ret = get_errno(chmod(p, arg2));
2609
        unlock_user(p, arg1, 0);
2610
        break;
2611
#ifdef TARGET_NR_break
2612
    case TARGET_NR_break:
2613
        goto unimplemented;
2614
#endif
2615
#ifdef TARGET_NR_oldstat
2616
    case TARGET_NR_oldstat:
2617
        goto unimplemented;
2618
#endif
2619
    case TARGET_NR_lseek:
2620
        ret = get_errno(lseek(arg1, arg2, arg3));
2621
        break;
2622
#ifdef TARGET_NR_getxpid
2623
    case TARGET_NR_getxpid:
2624
#else
2625
    case TARGET_NR_getpid:
2626
#endif
2627
        ret = get_errno(getpid());
2628
        break;
2629
    case TARGET_NR_mount:
2630
                {
2631
                        /* need to look at the data field */
2632
                        void *p2, *p3;
2633
                        p = lock_user_string(arg1);
2634
                        p2 = lock_user_string(arg2);
2635
                        p3 = lock_user_string(arg3);
2636
                        ret = get_errno(mount(p, p2, p3, (unsigned long)arg4, (const void *)arg5));
2637
                        unlock_user(p, arg1, 0);
2638
                        unlock_user(p2, arg2, 0);
2639
                        unlock_user(p3, arg3, 0);
2640
                        break;
2641
                }
2642
#ifdef TARGET_NR_umount
2643
    case TARGET_NR_umount:
2644
        p = lock_user_string(arg1);
2645
        ret = get_errno(umount(p));
2646
        unlock_user(p, arg1, 0);
2647
        break;
2648
#endif
2649
#ifdef TARGET_NR_stime /* not on alpha */
2650
    case TARGET_NR_stime:
2651
        {
2652
            time_t host_time;
2653
            host_time = tgetl(arg1);
2654
            ret = get_errno(stime(&host_time));
2655
        }
2656
        break;
2657
#endif
2658
    case TARGET_NR_ptrace:
2659
        goto unimplemented;
2660
#ifdef TARGET_NR_alarm /* not on alpha */
2661
    case TARGET_NR_alarm:
2662
        ret = alarm(arg1);
2663
        break;
2664
#endif
2665
#ifdef TARGET_NR_oldfstat
2666
    case TARGET_NR_oldfstat:
2667
        goto unimplemented;
2668
#endif
2669
#ifdef TARGET_NR_pause /* not on alpha */
2670
    case TARGET_NR_pause:
2671
        ret = get_errno(pause());
2672
        break;
2673
#endif
2674
#ifdef TARGET_NR_utime
2675
    case TARGET_NR_utime:
2676
        {
2677
            struct utimbuf tbuf, *host_tbuf;
2678
            struct target_utimbuf *target_tbuf;
2679
            if (arg2) {
2680
                lock_user_struct(target_tbuf, arg2, 1);
2681
                tbuf.actime = tswapl(target_tbuf->actime);
2682
                tbuf.modtime = tswapl(target_tbuf->modtime);
2683
                unlock_user_struct(target_tbuf, arg2, 0);
2684
                host_tbuf = &tbuf;
2685
            } else {
2686
                host_tbuf = NULL;
2687
            }
2688
            p = lock_user_string(arg1);
2689
            ret = get_errno(utime(p, host_tbuf));
2690
            unlock_user(p, arg1, 0);
2691
        }
2692
        break;
2693
#endif
2694
    case TARGET_NR_utimes:
2695
        {
2696
            struct timeval *tvp, tv[2];
2697
            if (arg2) {
2698
                target_to_host_timeval(&tv[0], arg2);
2699
                target_to_host_timeval(&tv[1],
2700
                    arg2 + sizeof (struct target_timeval));
2701
                tvp = tv;
2702
            } else {
2703
                tvp = NULL;
2704
            }
2705
            p = lock_user_string(arg1);
2706
            ret = get_errno(utimes(p, tvp));
2707
            unlock_user(p, arg1, 0);
2708
        }
2709
        break;
2710
#ifdef TARGET_NR_stty
2711
    case TARGET_NR_stty:
2712
        goto unimplemented;
2713
#endif
2714
#ifdef TARGET_NR_gtty
2715
    case TARGET_NR_gtty:
2716
        goto unimplemented;
2717
#endif
2718
    case TARGET_NR_access:
2719
        p = lock_user_string(arg1);
2720
        ret = get_errno(access(p, arg2));
2721
        unlock_user(p, arg1, 0);
2722
        break;
2723
#ifdef TARGET_NR_nice /* not on alpha */
2724
    case TARGET_NR_nice:
2725
        ret = get_errno(nice(arg1));
2726
        break;
2727
#endif
2728
#ifdef TARGET_NR_ftime
2729
    case TARGET_NR_ftime:
2730
        goto unimplemented;
2731
#endif
2732
    case TARGET_NR_sync:
2733
        sync();
2734
        ret = 0;
2735
        break;
2736
    case TARGET_NR_kill:
2737
        ret = get_errno(kill(arg1, arg2));
2738
        break;
2739
    case TARGET_NR_rename:
2740
        {
2741
            void *p2;
2742
            p = lock_user_string(arg1);
2743
            p2 = lock_user_string(arg2);
2744
            ret = get_errno(rename(p, p2));
2745
            unlock_user(p2, arg2, 0);
2746
            unlock_user(p, arg1, 0);
2747
        }
2748
        break;
2749
    case TARGET_NR_mkdir:
2750
        p = lock_user_string(arg1);
2751
        ret = get_errno(mkdir(p, arg2));
2752
        unlock_user(p, arg1, 0);
2753
        break;
2754
    case TARGET_NR_rmdir:
2755
        p = lock_user_string(arg1);
2756
        ret = get_errno(rmdir(p));
2757
        unlock_user(p, arg1, 0);
2758
        break;
2759
    case TARGET_NR_dup:
2760
        ret = get_errno(dup(arg1));
2761
        break;
2762
    case TARGET_NR_pipe:
2763
        {
2764
            int host_pipe[2];
2765
            ret = get_errno(pipe(host_pipe));
2766
            if (!is_error(ret)) {
2767
#if defined(TARGET_MIPS)
2768
                ((CPUMIPSState*)cpu_env)->gpr[3] = host_pipe[1];
2769
                ret = host_pipe[0];
2770
#else
2771
                tput32(arg1, host_pipe[0]);
2772
                tput32(arg1 + 4, host_pipe[1]);
2773
#endif
2774
            }
2775
        }
2776
        break;
2777
    case TARGET_NR_times:
2778
        {
2779
            struct target_tms *tmsp;
2780
            struct tms tms;
2781
            ret = get_errno(times(&tms));
2782
            if (arg1) {
2783
                tmsp = lock_user(arg1, sizeof(struct target_tms), 0);
2784
                tmsp->tms_utime = tswapl(host_to_target_clock_t(tms.tms_utime));
2785
                tmsp->tms_stime = tswapl(host_to_target_clock_t(tms.tms_stime));
2786
                tmsp->tms_cutime = tswapl(host_to_target_clock_t(tms.tms_cutime));
2787
                tmsp->tms_cstime = tswapl(host_to_target_clock_t(tms.tms_cstime));
2788
            }
2789
            if (!is_error(ret))
2790
                ret = host_to_target_clock_t(ret);
2791
        }
2792
        break;
2793
#ifdef TARGET_NR_prof
2794
    case TARGET_NR_prof:
2795
        goto unimplemented;
2796
#endif
2797
#ifdef TARGET_NR_signal
2798
    case TARGET_NR_signal:
2799
        goto unimplemented;
2800
#endif
2801
    case TARGET_NR_acct:
2802
        p = lock_user_string(arg1);
2803
        ret = get_errno(acct(path(p)));
2804
        unlock_user(p, arg1, 0);
2805
        break;
2806
#ifdef TARGET_NR_umount2 /* not on alpha */
2807
    case TARGET_NR_umount2:
2808
        p = lock_user_string(arg1);
2809
        ret = get_errno(umount2(p, arg2));
2810
        unlock_user(p, arg1, 0);
2811
        break;
2812
#endif
2813
#ifdef TARGET_NR_lock
2814
    case TARGET_NR_lock:
2815
        goto unimplemented;
2816
#endif
2817
    case TARGET_NR_ioctl:
2818
        ret = do_ioctl(arg1, arg2, arg3);
2819
        break;
2820
    case TARGET_NR_fcntl:
2821
        ret = get_errno(do_fcntl(arg1, arg2, arg3));
2822
        break;
2823
#ifdef TARGET_NR_mpx
2824
    case TARGET_NR_mpx:
2825
        goto unimplemented;
2826
#endif
2827
    case TARGET_NR_setpgid:
2828
        ret = get_errno(setpgid(arg1, arg2));
2829
        break;
2830
#ifdef TARGET_NR_ulimit
2831
    case TARGET_NR_ulimit:
2832
        goto unimplemented;
2833
#endif
2834
#ifdef TARGET_NR_oldolduname
2835
    case TARGET_NR_oldolduname:
2836
        goto unimplemented;
2837
#endif
2838
    case TARGET_NR_umask:
2839
        ret = get_errno(umask(arg1));
2840
        break;
2841
    case TARGET_NR_chroot:
2842
        p = lock_user_string(arg1);
2843
        ret = get_errno(chroot(p));
2844
        unlock_user(p, arg1, 0);
2845
        break;
2846
    case TARGET_NR_ustat:
2847
        goto unimplemented;
2848
    case TARGET_NR_dup2:
2849
        ret = get_errno(dup2(arg1, arg2));
2850
        break;
2851
#ifdef TARGET_NR_getppid /* not on alpha */
2852
    case TARGET_NR_getppid:
2853
        ret = get_errno(getppid());
2854
        break;
2855
#endif
2856
    case TARGET_NR_getpgrp:
2857
        ret = get_errno(getpgrp());
2858
        break;
2859
    case TARGET_NR_setsid:
2860
        ret = get_errno(setsid());
2861
        break;
2862
#ifdef TARGET_NR_sigaction
2863
    case TARGET_NR_sigaction:
2864
        {
2865
#if !defined(TARGET_MIPS)
2866
            struct target_old_sigaction *old_act;
2867
            struct target_sigaction act, oact, *pact;
2868
            if (arg2) {
2869
                lock_user_struct(old_act, arg2, 1);
2870
                act._sa_handler = old_act->_sa_handler;
2871
                target_siginitset(&act.sa_mask, old_act->sa_mask);
2872
                act.sa_flags = old_act->sa_flags;
2873
                act.sa_restorer = old_act->sa_restorer;
2874
                unlock_user_struct(old_act, arg2, 0);
2875
                pact = &act;
2876
            } else {
2877
                pact = NULL;
2878
            }
2879
            ret = get_errno(do_sigaction(arg1, pact, &oact));
2880
            if (!is_error(ret) && arg3) {
2881
                lock_user_struct(old_act, arg3, 0);
2882
                old_act->_sa_handler = oact._sa_handler;
2883
                old_act->sa_mask = oact.sa_mask.sig[0];
2884
                old_act->sa_flags = oact.sa_flags;
2885
                old_act->sa_restorer = oact.sa_restorer;
2886
                unlock_user_struct(old_act, arg3, 1);
2887
            }
2888
#else
2889
            struct target_sigaction act, oact, *pact, *old_act;
2890

    
2891
            if (arg2) {
2892
                lock_user_struct(old_act, arg2, 1);
2893
                act._sa_handler = old_act->_sa_handler;
2894
                target_siginitset(&act.sa_mask, old_act->sa_mask.sig[0]);
2895
                act.sa_flags = old_act->sa_flags;
2896
                unlock_user_struct(old_act, arg2, 0);
2897
                pact = &act;
2898
            } else {
2899
                pact = NULL;
2900
            }
2901

    
2902
            ret = get_errno(do_sigaction(arg1, pact, &oact));
2903

    
2904
            if (!is_error(ret) && arg3) {
2905
                lock_user_struct(old_act, arg3, 0);
2906
                old_act->_sa_handler = oact._sa_handler;
2907
                old_act->sa_flags = oact.sa_flags;
2908
                old_act->sa_mask.sig[0] = oact.sa_mask.sig[0];
2909
                old_act->sa_mask.sig[1] = 0;
2910
                old_act->sa_mask.sig[2] = 0;
2911
                old_act->sa_mask.sig[3] = 0;
2912
                unlock_user_struct(old_act, arg3, 1);
2913
            }
2914
#endif
2915
        }
2916
        break;
2917
#endif
2918
    case TARGET_NR_rt_sigaction:
2919
        {
2920
            struct target_sigaction *act;
2921
            struct target_sigaction *oact;
2922

    
2923
            if (arg2)
2924
                lock_user_struct(act, arg2, 1);
2925
            else
2926
                act = NULL;
2927
            if (arg3)
2928
                lock_user_struct(oact, arg3, 0);
2929
            else
2930
                oact = NULL;
2931
            ret = get_errno(do_sigaction(arg1, act, oact));
2932
            if (arg2)
2933
                unlock_user_struct(act, arg2, 0);
2934
            if (arg3)
2935
                unlock_user_struct(oact, arg3, 1);
2936
        }
2937
        break;
2938
#ifdef TARGET_NR_sgetmask /* not on alpha */
2939
    case TARGET_NR_sgetmask:
2940
        {
2941
            sigset_t cur_set;
2942
            target_ulong target_set;
2943
            sigprocmask(0, NULL, &cur_set);
2944
            host_to_target_old_sigset(&target_set, &cur_set);
2945
            ret = target_set;
2946
        }
2947
        break;
2948
#endif
2949
#ifdef TARGET_NR_ssetmask /* not on alpha */
2950
    case TARGET_NR_ssetmask:
2951
        {
2952
            sigset_t set, oset, cur_set;
2953
            target_ulong target_set = arg1;
2954
            sigprocmask(0, NULL, &cur_set);
2955
            target_to_host_old_sigset(&set, &target_set);
2956
            sigorset(&set, &set, &cur_set);
2957
            sigprocmask(SIG_SETMASK, &set, &oset);
2958
            host_to_target_old_sigset(&target_set, &oset);
2959
            ret = target_set;
2960
        }
2961
        break;
2962
#endif
2963
#ifdef TARGET_NR_sigprocmask
2964
    case TARGET_NR_sigprocmask:
2965
        {
2966
            int how = arg1;
2967
            sigset_t set, oldset, *set_ptr;
2968
            
2969
            if (arg2) {
2970
                switch(how) {
2971
                case TARGET_SIG_BLOCK:
2972
                    how = SIG_BLOCK;
2973
                    break;
2974
                case TARGET_SIG_UNBLOCK:
2975
                    how = SIG_UNBLOCK;
2976
                    break;
2977
                case TARGET_SIG_SETMASK:
2978
                    how = SIG_SETMASK;
2979
                    break;
2980
                default:
2981
                    ret = -EINVAL;
2982
                    goto fail;
2983
                }
2984
                p = lock_user(arg2, sizeof(target_sigset_t), 1);
2985
                target_to_host_old_sigset(&set, p);
2986
                unlock_user(p, arg2, 0);
2987
                set_ptr = &set;
2988
            } else {
2989
                how = 0;
2990
                set_ptr = NULL;
2991
            }
2992
            ret = get_errno(sigprocmask(arg1, set_ptr, &oldset));
2993
            if (!is_error(ret) && arg3) {
2994
                p = lock_user(arg3, sizeof(target_sigset_t), 0);
2995
                host_to_target_old_sigset(p, &oldset);
2996
                unlock_user(p, arg3, sizeof(target_sigset_t));
2997
            }
2998
        }
2999
        break;
3000
#endif
3001
    case TARGET_NR_rt_sigprocmask:
3002
        {
3003
            int how = arg1;
3004
            sigset_t set, oldset, *set_ptr;
3005
            
3006
            if (arg2) {
3007
                switch(how) {
3008
                case TARGET_SIG_BLOCK:
3009
                    how = SIG_BLOCK;
3010
                    break;
3011
                case TARGET_SIG_UNBLOCK:
3012
                    how = SIG_UNBLOCK;
3013
                    break;
3014
                case TARGET_SIG_SETMASK:
3015
                    how = SIG_SETMASK;
3016
                    break;
3017
                default:
3018
                    ret = -EINVAL;
3019
                    goto fail;
3020
                }
3021
                p = lock_user(arg2, sizeof(target_sigset_t), 1);
3022
                target_to_host_sigset(&set, p);
3023
                unlock_user(p, arg2, 0);
3024
                set_ptr = &set;
3025
            } else {
3026
                how = 0;
3027
                set_ptr = NULL;
3028
            }
3029
            ret = get_errno(sigprocmask(how, set_ptr, &oldset));
3030
            if (!is_error(ret) && arg3) {
3031
                p = lock_user(arg3, sizeof(target_sigset_t), 0);
3032
                host_to_target_sigset(p, &oldset);
3033
                unlock_user(p, arg3, sizeof(target_sigset_t));
3034
            }
3035
        }
3036
        break;
3037
#ifdef TARGET_NR_sigpending
3038
    case TARGET_NR_sigpending:
3039
        {
3040
            sigset_t set;
3041
            ret = get_errno(sigpending(&set));
3042
            if (!is_error(ret)) {
3043
                p = lock_user(arg1, sizeof(target_sigset_t), 0);
3044
                host_to_target_old_sigset(p, &set);
3045
                unlock_user(p, arg1, sizeof(target_sigset_t));
3046
            }
3047
        }
3048
        break;
3049
#endif
3050
    case TARGET_NR_rt_sigpending:
3051
        {
3052
            sigset_t set;
3053
            ret = get_errno(sigpending(&set));
3054
            if (!is_error(ret)) {
3055
                p = lock_user(arg1, sizeof(target_sigset_t), 0);
3056
                host_to_target_sigset(p, &set);
3057
                unlock_user(p, arg1, sizeof(target_sigset_t));
3058
            }
3059
        }
3060
        break;
3061
#ifdef TARGET_NR_sigsuspend
3062
    case TARGET_NR_sigsuspend:
3063
        {
3064
            sigset_t set;
3065
            p = lock_user(arg1, sizeof(target_sigset_t), 1);
3066
            target_to_host_old_sigset(&set, p);
3067
            unlock_user(p, arg1, 0);
3068
            ret = get_errno(sigsuspend(&set));
3069
        }
3070
        break;
3071
#endif
3072
    case TARGET_NR_rt_sigsuspend:
3073
        {
3074
            sigset_t set;
3075
            p = lock_user(arg1, sizeof(target_sigset_t), 1);
3076
            target_to_host_sigset(&set, p);
3077
            unlock_user(p, arg1, 0);
3078
            ret = get_errno(sigsuspend(&set));
3079
        }
3080
        break;
3081
    case TARGET_NR_rt_sigtimedwait:
3082
        {
3083
            sigset_t set;
3084
            struct timespec uts, *puts;
3085
            siginfo_t uinfo;
3086
            
3087
            p = lock_user(arg1, sizeof(target_sigset_t), 1);
3088
            target_to_host_sigset(&set, p);
3089
            unlock_user(p, arg1, 0);
3090
            if (arg3) {
3091
                puts = &uts;
3092
                target_to_host_timespec(puts, arg3);
3093
            } else {
3094
                puts = NULL;
3095
            }
3096
            ret = get_errno(sigtimedwait(&set, &uinfo, puts));
3097
            if (!is_error(ret) && arg2) {
3098
                p = lock_user(arg2, sizeof(target_sigset_t), 0);
3099
                host_to_target_siginfo(p, &uinfo);
3100
                unlock_user(p, arg2, sizeof(target_sigset_t));
3101
            }
3102
        }
3103
        break;
3104
    case TARGET_NR_rt_sigqueueinfo:
3105
        {
3106
            siginfo_t uinfo;
3107
            p = lock_user(arg3, sizeof(target_sigset_t), 1);
3108
            target_to_host_siginfo(&uinfo, p);
3109
            unlock_user(p, arg1, 0);
3110
            ret = get_errno(sys_rt_sigqueueinfo(arg1, arg2, &uinfo));
3111
        }
3112
        break;
3113
#ifdef TARGET_NR_sigreturn
3114
    case TARGET_NR_sigreturn:
3115
        /* NOTE: ret is eax, so not transcoding must be done */
3116
        ret = do_sigreturn(cpu_env);
3117
        break;
3118
#endif
3119
    case TARGET_NR_rt_sigreturn:
3120
        /* NOTE: ret is eax, so not transcoding must be done */
3121
        ret = do_rt_sigreturn(cpu_env);
3122
        break;
3123
    case TARGET_NR_sethostname:
3124
        p = lock_user_string(arg1);
3125
        ret = get_errno(sethostname(p, arg2));
3126
        unlock_user(p, arg1, 0);
3127
        break;
3128
    case TARGET_NR_setrlimit:
3129
        {
3130
            /* XXX: convert resource ? */
3131
            int resource = arg1;
3132
            struct target_rlimit *target_rlim;
3133
            struct rlimit rlim;
3134
            lock_user_struct(target_rlim, arg2, 1);
3135
            rlim.rlim_cur = tswapl(target_rlim->rlim_cur);
3136
            rlim.rlim_max = tswapl(target_rlim->rlim_max);
3137
            unlock_user_struct(target_rlim, arg2, 0);
3138
            ret = get_errno(setrlimit(resource, &rlim));
3139
        }
3140
        break;
3141
    case TARGET_NR_getrlimit:
3142
        {
3143
            /* XXX: convert resource ? */
3144
            int resource = arg1;
3145
            struct target_rlimit *target_rlim;
3146
            struct rlimit rlim;
3147
            
3148
            ret = get_errno(getrlimit(resource, &rlim));
3149
            if (!is_error(ret)) {
3150
                lock_user_struct(target_rlim, arg2, 0);
3151
                rlim.rlim_cur = tswapl(target_rlim->rlim_cur);
3152
                rlim.rlim_max = tswapl(target_rlim->rlim_max);
3153
                unlock_user_struct(target_rlim, arg2, 1);
3154
            }
3155
        }
3156
        break;
3157
    case TARGET_NR_getrusage:
3158
        {
3159
            struct rusage rusage;
3160
            ret = get_errno(getrusage(arg1, &rusage));
3161
            if (!is_error(ret)) {
3162
                host_to_target_rusage(arg2, &rusage);
3163
            }
3164
        }
3165
        break;
3166
    case TARGET_NR_gettimeofday:
3167
        {
3168
            struct timeval tv;
3169
            ret = get_errno(gettimeofday(&tv, NULL));
3170
            if (!is_error(ret)) {
3171
                host_to_target_timeval(arg1, &tv);
3172
            }
3173
        }
3174
        break;
3175
    case TARGET_NR_settimeofday:
3176
        {
3177
            struct timeval tv;
3178
            target_to_host_timeval(&tv, arg1);
3179
            ret = get_errno(settimeofday(&tv, NULL));
3180
        }
3181
        break;
3182
#ifdef TARGET_NR_select
3183
    case TARGET_NR_select:
3184
        {
3185
            struct target_sel_arg_struct *sel;
3186
            target_ulong inp, outp, exp, tvp;
3187
            long nsel;
3188

    
3189
            lock_user_struct(sel, arg1, 1);
3190
            nsel = tswapl(sel->n);
3191
            inp = tswapl(sel->inp);
3192
            outp = tswapl(sel->outp);
3193
            exp = tswapl(sel->exp);
3194
            tvp = tswapl(sel->tvp);
3195
            unlock_user_struct(sel, arg1, 0);
3196
            ret = do_select(nsel, inp, outp, exp, tvp);
3197
        }
3198
        break;
3199
#endif
3200
    case TARGET_NR_symlink:
3201
        {
3202
            void *p2;
3203
            p = lock_user_string(arg1);
3204
            p2 = lock_user_string(arg2);
3205
            ret = get_errno(symlink(p, p2));
3206
            unlock_user(p2, arg2, 0);
3207
            unlock_user(p, arg1, 0);
3208
        }
3209
        break;
3210
#ifdef TARGET_NR_oldlstat
3211
    case TARGET_NR_oldlstat:
3212
        goto unimplemented;
3213
#endif
3214
    case TARGET_NR_readlink:
3215
        {
3216
            void *p2;
3217
            p = lock_user_string(arg1);
3218
            p2 = lock_user(arg2, arg3, 0);
3219
            ret = get_errno(readlink(path(p), p2, arg3));
3220
            unlock_user(p2, arg2, ret);
3221
            unlock_user(p, arg1, 0);
3222
        }
3223
        break;
3224
#ifdef TARGET_NR_uselib
3225
    case TARGET_NR_uselib:
3226
        goto unimplemented;
3227
#endif
3228
#ifdef TARGET_NR_swapon
3229
    case TARGET_NR_swapon:
3230
        p = lock_user_string(arg1);
3231
        ret = get_errno(swapon(p, arg2));
3232
        unlock_user(p, arg1, 0);
3233
        break;
3234
#endif
3235
    case TARGET_NR_reboot:
3236
        goto unimplemented;
3237
#ifdef TARGET_NR_readdir
3238
    case TARGET_NR_readdir:
3239
        goto unimplemented;
3240
#endif
3241
#ifdef TARGET_NR_mmap
3242
    case TARGET_NR_mmap:
3243
#if defined(TARGET_I386) || defined(TARGET_ARM) || defined(TARGET_M68K)
3244
        {
3245
            target_ulong *v;
3246
            target_ulong v1, v2, v3, v4, v5, v6;
3247
            v = lock_user(arg1, 6 * sizeof(target_ulong), 1);
3248
            v1 = tswapl(v[0]);
3249
            v2 = tswapl(v[1]);
3250
            v3 = tswapl(v[2]);
3251
            v4 = tswapl(v[3]);
3252
            v5 = tswapl(v[4]);
3253
            v6 = tswapl(v[5]);
3254
            unlock_user(v, arg1, 0);
3255
            ret = get_errno(target_mmap(v1, v2, v3, 
3256
                                        target_to_host_bitmask(v4, mmap_flags_tbl),
3257
                                        v5, v6));
3258
        }
3259
#else
3260
        ret = get_errno(target_mmap(arg1, arg2, arg3, 
3261
                                    target_to_host_bitmask(arg4, mmap_flags_tbl), 
3262
                                    arg5,
3263
                                    arg6));
3264
#endif
3265
        break;
3266
#endif
3267
#ifdef TARGET_NR_mmap2
3268
    case TARGET_NR_mmap2:
3269
#if defined(TARGET_SPARC) || defined(TARGET_MIPS)
3270
#define MMAP_SHIFT 12
3271
#else
3272
#define MMAP_SHIFT TARGET_PAGE_BITS
3273
#endif
3274
        ret = get_errno(target_mmap(arg1, arg2, arg3, 
3275
                                    target_to_host_bitmask(arg4, mmap_flags_tbl), 
3276
                                    arg5,
3277
                                    arg6 << MMAP_SHIFT));
3278
        break;
3279
#endif
3280
    case TARGET_NR_munmap:
3281
        ret = get_errno(target_munmap(arg1, arg2));
3282
        break;
3283
    case TARGET_NR_mprotect:
3284
        ret = get_errno(target_mprotect(arg1, arg2, arg3));
3285
        break;
3286
#ifdef TARGET_NR_mremap
3287
    case TARGET_NR_mremap:
3288
        ret = get_errno(target_mremap(arg1, arg2, arg3, arg4, arg5));
3289
        break;
3290
#endif
3291
        /* ??? msync/mlock/munlock are broken for softmmu.  */
3292
#ifdef TARGET_NR_msync
3293
    case TARGET_NR_msync:
3294
        ret = get_errno(msync(g2h(arg1), arg2, arg3));
3295
        break;
3296
#endif
3297
#ifdef TARGET_NR_mlock
3298
    case TARGET_NR_mlock:
3299
        ret = get_errno(mlock(g2h(arg1), arg2));
3300
        break;
3301
#endif
3302
#ifdef TARGET_NR_munlock
3303
    case TARGET_NR_munlock:
3304
        ret = get_errno(munlock(g2h(arg1), arg2));
3305
        break;
3306
#endif
3307
#ifdef TARGET_NR_mlockall
3308
    case TARGET_NR_mlockall:
3309
        ret = get_errno(mlockall(arg1));
3310
        break;
3311
#endif
3312
#ifdef TARGET_NR_munlockall
3313
    case TARGET_NR_munlockall:
3314
        ret = get_errno(munlockall());
3315
        break;
3316
#endif
3317
    case TARGET_NR_truncate:
3318
        p = lock_user_string(arg1);
3319
        ret = get_errno(truncate(p, arg2));
3320
        unlock_user(p, arg1, 0);
3321
        break;
3322
    case TARGET_NR_ftruncate:
3323
        ret = get_errno(ftruncate(arg1, arg2));
3324
        break;
3325
    case TARGET_NR_fchmod:
3326
        ret = get_errno(fchmod(arg1, arg2));
3327
        break;
3328
    case TARGET_NR_getpriority:
3329
        ret = get_errno(getpriority(arg1, arg2));
3330
        break;
3331
    case TARGET_NR_setpriority:
3332
        ret = get_errno(setpriority(arg1, arg2, arg3));
3333
        break;
3334
#ifdef TARGET_NR_profil
3335
    case TARGET_NR_profil:
3336
        goto unimplemented;
3337
#endif
3338
    case TARGET_NR_statfs:
3339
        p = lock_user_string(arg1);
3340
        ret = get_errno(statfs(path(p), &stfs));
3341
        unlock_user(p, arg1, 0);
3342
    convert_statfs:
3343
        if (!is_error(ret)) {
3344
            struct target_statfs *target_stfs;
3345
            
3346
            lock_user_struct(target_stfs, arg2, 0);
3347
            /* ??? put_user is probably wrong.  */
3348
            put_user(stfs.f_type, &target_stfs->f_type);
3349
            put_user(stfs.f_bsize, &target_stfs->f_bsize);
3350
            put_user(stfs.f_blocks, &target_stfs->f_blocks);
3351
            put_user(stfs.f_bfree, &target_stfs->f_bfree);
3352
            put_user(stfs.f_bavail, &target_stfs->f_bavail);
3353
            put_user(stfs.f_files, &target_stfs->f_files);
3354
            put_user(stfs.f_ffree, &target_stfs->f_ffree);
3355
            put_user(stfs.f_fsid.__val[0], &target_stfs->f_fsid);
3356
            put_user(stfs.f_namelen, &target_stfs->f_namelen);
3357
            unlock_user_struct(target_stfs, arg2, 1);
3358
        }
3359
        break;
3360
    case TARGET_NR_fstatfs:
3361
        ret = get_errno(fstatfs(arg1, &stfs));
3362
        goto convert_statfs;
3363
#ifdef TARGET_NR_statfs64
3364
    case TARGET_NR_statfs64:
3365
        p = lock_user_string(arg1);
3366
        ret = get_errno(statfs(path(p), &stfs));
3367
        unlock_user(p, arg1, 0);
3368
    convert_statfs64:
3369
        if (!is_error(ret)) {
3370
            struct target_statfs64 *target_stfs;
3371
            
3372
            lock_user_struct(target_stfs, arg3, 0);
3373
            /* ??? put_user is probably wrong.  */
3374
            put_user(stfs.f_type, &target_stfs->f_type);
3375
            put_user(stfs.f_bsize, &target_stfs->f_bsize);
3376
            put_user(stfs.f_blocks, &target_stfs->f_blocks);
3377
            put_user(stfs.f_bfree, &target_stfs->f_bfree);
3378
            put_user(stfs.f_bavail, &target_stfs->f_bavail);
3379
            put_user(stfs.f_files, &target_stfs->f_files);
3380
            put_user(stfs.f_ffree, &target_stfs->f_ffree);
3381
            put_user(stfs.f_fsid.__val[0], &target_stfs->f_fsid);
3382
            put_user(stfs.f_namelen, &target_stfs->f_namelen);
3383
            unlock_user_struct(target_stfs, arg3, 0);
3384
        }
3385
        break;
3386
    case TARGET_NR_fstatfs64:
3387
        ret = get_errno(fstatfs(arg1, &stfs));
3388
        goto convert_statfs64;
3389
#endif
3390
#ifdef TARGET_NR_ioperm
3391
    case TARGET_NR_ioperm:
3392
        goto unimplemented;
3393
#endif
3394
#ifdef TARGET_NR_socketcall
3395
    case TARGET_NR_socketcall:
3396
        ret = do_socketcall(arg1, arg2);
3397
        break;
3398
#endif
3399
#ifdef TARGET_NR_accept
3400
    case TARGET_NR_accept:
3401
        ret = do_accept(arg1, arg2, arg3);
3402
        break;
3403
#endif
3404
#ifdef TARGET_NR_bind
3405
    case TARGET_NR_bind:
3406
        ret = do_bind(arg1, arg2, arg3);
3407
        break;
3408
#endif
3409
#ifdef TARGET_NR_connect
3410
    case TARGET_NR_connect:
3411
        ret = do_connect(arg1, arg2, arg3);
3412
        break;
3413
#endif
3414
#ifdef TARGET_NR_getpeername
3415
    case TARGET_NR_getpeername:
3416
        ret = do_getpeername(arg1, arg2, arg3);
3417
        break;
3418
#endif
3419
#ifdef TARGET_NR_getsockname
3420
    case TARGET_NR_getsockname:
3421
        ret = do_getsockname(arg1, arg2, arg3);
3422
        break;
3423
#endif
3424
#ifdef TARGET_NR_getsockopt
3425
    case TARGET_NR_getsockopt:
3426
        ret = do_getsockopt(arg1, arg2, arg3, arg4, arg5);
3427
        break;
3428
#endif
3429
#ifdef TARGET_NR_listen
3430
    case TARGET_NR_listen:
3431
        ret = get_errno(listen(arg1, arg2));
3432
        break;
3433
#endif
3434
#ifdef TARGET_NR_recv
3435
    case TARGET_NR_recv:
3436
        ret = do_recvfrom(arg1, arg2, arg3, arg4, 0, 0);
3437
        break;
3438
#endif
3439
#ifdef TARGET_NR_recvfrom
3440
    case TARGET_NR_recvfrom:
3441
        ret = do_recvfrom(arg1, arg2, arg3, arg4, arg5, arg6);
3442
        break;
3443
#endif
3444
#ifdef TARGET_NR_recvmsg
3445
    case TARGET_NR_recvmsg:
3446
        ret = do_sendrecvmsg(arg1, arg2, arg3, 0);
3447
        break;
3448
#endif
3449
#ifdef TARGET_NR_send
3450
    case TARGET_NR_send:
3451
        ret = do_sendto(arg1, arg2, arg3, arg4, 0, 0);
3452
        break;
3453
#endif
3454
#ifdef TARGET_NR_sendmsg
3455
    case TARGET_NR_sendmsg:
3456
        ret = do_sendrecvmsg(arg1, arg2, arg3, 1);
3457
        break;
3458
#endif
3459
#ifdef TARGET_NR_sendto
3460
    case TARGET_NR_sendto:
3461
        ret = do_sendto(arg1, arg2, arg3, arg4, arg5, arg6);
3462
        break;
3463
#endif
3464
#ifdef TARGET_NR_shutdown
3465
    case TARGET_NR_shutdown:
3466
        ret = get_errno(shutdown(arg1, arg2));
3467
        break;
3468
#endif
3469
#ifdef TARGET_NR_socket
3470
    case TARGET_NR_socket:
3471
        ret = do_socket(arg1, arg2, arg3);
3472
        break;
3473
#endif
3474
#ifdef TARGET_NR_socketpair
3475
    case TARGET_NR_socketpair:
3476
        ret = do_socketpair(arg1, arg2, arg3, arg4);
3477
        break;
3478
#endif
3479
#ifdef TARGET_NR_setsockopt
3480
    case TARGET_NR_setsockopt:
3481
        ret = do_setsockopt(arg1, arg2, arg3, arg4, (socklen_t) arg5);
3482
        break;
3483
#endif
3484

    
3485
    case TARGET_NR_syslog:
3486
        p = lock_user_string(arg2);
3487
        ret = get_errno(sys_syslog((int)arg1, p, (int)arg3));
3488
        unlock_user(p, arg2, 0);
3489
        break;
3490

    
3491
    case TARGET_NR_setitimer:
3492
        {
3493
            struct itimerval value, ovalue, *pvalue;
3494

    
3495
            if (arg2) {
3496
                pvalue = &value;
3497
                target_to_host_timeval(&pvalue->it_interval, 
3498
                                       arg2);
3499
                target_to_host_timeval(&pvalue->it_value, 
3500
                                       arg2 + sizeof(struct target_timeval));
3501
            } else {
3502
                pvalue = NULL;
3503
            }
3504
            ret = get_errno(setitimer(arg1, pvalue, &ovalue));
3505
            if (!is_error(ret) && arg3) {
3506
                host_to_target_timeval(arg3,
3507
                                       &ovalue.it_interval);
3508
                host_to_target_timeval(arg3 + sizeof(struct target_timeval),
3509
                                       &ovalue.it_value);
3510
            }
3511
        }
3512
        break;
3513
    case TARGET_NR_getitimer:
3514
        {
3515
            struct itimerval value;
3516
            
3517
            ret = get_errno(getitimer(arg1, &value));
3518
            if (!is_error(ret) && arg2) {
3519
                host_to_target_timeval(arg2,
3520
                                       &value.it_interval);
3521
                host_to_target_timeval(arg2 + sizeof(struct target_timeval),
3522
                                       &value.it_value);
3523
            }
3524
        }
3525
        break;
3526
    case TARGET_NR_stat:
3527
        p = lock_user_string(arg1);
3528
        ret = get_errno(stat(path(p), &st));
3529
        unlock_user(p, arg1, 0);
3530
        goto do_stat;
3531
    case TARGET_NR_lstat:
3532
        p = lock_user_string(arg1);
3533
        ret = get_errno(lstat(path(p), &st));
3534
        unlock_user(p, arg1, 0);
3535
        goto do_stat;
3536
    case TARGET_NR_fstat:
3537
        {
3538
            ret = get_errno(fstat(arg1, &st));
3539
        do_stat:
3540
            if (!is_error(ret)) {
3541
                struct target_stat *target_st;
3542

    
3543
                lock_user_struct(target_st, arg2, 0);
3544
#if defined(TARGET_MIPS) || defined(TARGET_SPARC64)
3545
                target_st->st_dev = tswap32(st.st_dev);
3546
#else
3547
                target_st->st_dev = tswap16(st.st_dev);
3548
#endif
3549
                target_st->st_ino = tswapl(st.st_ino);
3550
#if defined(TARGET_PPC) || defined(TARGET_MIPS)
3551
                target_st->st_mode = tswapl(st.st_mode); /* XXX: check this */
3552
                target_st->st_uid = tswap32(st.st_uid);
3553
                target_st->st_gid = tswap32(st.st_gid);
3554
#elif defined(TARGET_SPARC64)
3555
                target_st->st_mode = tswap32(st.st_mode);
3556
                target_st->st_uid = tswap32(st.st_uid);
3557
                target_st->st_gid = tswap32(st.st_gid);
3558
#else
3559
                target_st->st_mode = tswap16(st.st_mode);
3560
                target_st->st_uid = tswap16(st.st_uid);
3561
                target_st->st_gid = tswap16(st.st_gid);
3562
#endif
3563
#if defined(TARGET_MIPS)
3564
                /* If this is the same on PPC, then just merge w/ the above ifdef */
3565
                target_st->st_nlink = tswapl(st.st_nlink);
3566
                target_st->st_rdev = tswapl(st.st_rdev);
3567
#elif defined(TARGET_SPARC64)
3568
                target_st->st_nlink = tswap32(st.st_nlink);
3569
                target_st->st_rdev = tswap32(st.st_rdev);
3570
#else
3571
                target_st->st_nlink = tswap16(st.st_nlink);
3572
                target_st->st_rdev = tswap16(st.st_rdev);
3573
#endif
3574
                target_st->st_size = tswapl(st.st_size);
3575
                target_st->st_blksize = tswapl(st.st_blksize);
3576
                target_st->st_blocks = tswapl(st.st_blocks);
3577
                target_st->target_st_atime = tswapl(st.st_atime);
3578
                target_st->target_st_mtime = tswapl(st.st_mtime);
3579
                target_st->target_st_ctime = tswapl(st.st_ctime);
3580
                unlock_user_struct(target_st, arg2, 1);
3581
            }
3582
        }
3583
        break;
3584
#ifdef TARGET_NR_olduname
3585
    case TARGET_NR_olduname:
3586
        goto unimplemented;
3587
#endif
3588
#ifdef TARGET_NR_iopl
3589
    case TARGET_NR_iopl:
3590
        goto unimplemented;
3591
#endif
3592
    case TARGET_NR_vhangup:
3593
        ret = get_errno(vhangup());
3594
        break;
3595
#ifdef TARGET_NR_idle
3596
    case TARGET_NR_idle:
3597
        goto unimplemented;
3598
#endif
3599
#ifdef TARGET_NR_syscall
3600
    case TARGET_NR_syscall:
3601
            ret = do_syscall(cpu_env,arg1 & 0xffff,arg2,arg3,arg4,arg5,arg6,0);
3602
            break;
3603
#endif
3604
    case TARGET_NR_wait4:
3605
        {
3606
            int status;
3607
            target_long status_ptr = arg2;
3608
            struct rusage rusage, *rusage_ptr;
3609
            target_ulong target_rusage = arg4;
3610
            if (target_rusage)
3611
                rusage_ptr = &rusage;
3612
            else
3613
                rusage_ptr = NULL;
3614
            ret = get_errno(wait4(arg1, &status, arg3, rusage_ptr));
3615
            if (!is_error(ret)) {
3616
                if (status_ptr)
3617
                    tputl(status_ptr, status);
3618
                if (target_rusage) {
3619
                    host_to_target_rusage(target_rusage, &rusage);
3620
                }
3621
            }
3622
        }
3623
        break;
3624
#ifdef TARGET_NR_swapoff
3625
    case TARGET_NR_swapoff:
3626
        p = lock_user_string(arg1);
3627
        ret = get_errno(swapoff(p));
3628
        unlock_user(p, arg1, 0);
3629
        break;
3630
#endif
3631
    case TARGET_NR_sysinfo:
3632
        {
3633
            struct target_sysinfo *target_value;
3634
            struct sysinfo value;
3635
            ret = get_errno(sysinfo(&value));
3636
            if (!is_error(ret) && arg1)
3637
            {
3638
                /* ??? __put_user is probably wrong.  */
3639
                lock_user_struct(target_value, arg1, 0);
3640
                __put_user(value.uptime, &target_value->uptime);
3641
                __put_user(value.loads[0], &target_value->loads[0]);
3642
                __put_user(value.loads[1], &target_value->loads[1]);
3643
                __put_user(value.loads[2], &target_value->loads[2]);
3644
                __put_user(value.totalram, &target_value->totalram);
3645
                __put_user(value.freeram, &target_value->freeram);
3646
                __put_user(value.sharedram, &target_value->sharedram);
3647
                __put_user(value.bufferram, &target_value->bufferram);
3648
                __put_user(value.totalswap, &target_value->totalswap);
3649
                __put_user(value.freeswap, &target_value->freeswap);
3650
                __put_user(value.procs, &target_value->procs);
3651
                __put_user(value.totalhigh, &target_value->totalhigh);
3652
                __put_user(value.freehigh, &target_value->freehigh);
3653
                __put_user(value.mem_unit, &target_value->mem_unit);
3654
                unlock_user_struct(target_value, arg1, 1);
3655
            }
3656
        }
3657
        break;
3658
#ifdef TARGET_NR_ipc
3659
    case TARGET_NR_ipc:
3660
        ret = do_ipc(arg1, arg2, arg3, arg4, arg5, arg6);
3661
        break;
3662
#endif
3663
    case TARGET_NR_fsync:
3664
        ret = get_errno(fsync(arg1));
3665
        break;
3666
    case TARGET_NR_clone:
3667
        ret = get_errno(do_fork(cpu_env, arg1, arg2));
3668
        break;
3669
#ifdef __NR_exit_group
3670
        /* new thread calls */
3671
    case TARGET_NR_exit_group:
3672
        gdb_exit(cpu_env, arg1);
3673
        ret = get_errno(exit_group(arg1));
3674
        break;
3675
#endif
3676
    case TARGET_NR_setdomainname:
3677
        p = lock_user_string(arg1);
3678
        ret = get_errno(setdomainname(p, arg2));
3679
        unlock_user(p, arg1, 0);
3680
        break;
3681
    case TARGET_NR_uname:
3682
        /* no need to transcode because we use the linux syscall */
3683
        {
3684
            struct new_utsname * buf;
3685
    
3686
            lock_user_struct(buf, arg1, 0);
3687
            ret = get_errno(sys_uname(buf));
3688
            if (!is_error(ret)) {
3689
                /* Overrite the native machine name with whatever is being
3690
                   emulated. */
3691
                strcpy (buf->machine, UNAME_MACHINE);
3692
                /* Allow the user to override the reported release.  */
3693
                if (qemu_uname_release && *qemu_uname_release)
3694
                  strcpy (buf->release, qemu_uname_release);
3695
            }
3696
            unlock_user_struct(buf, arg1, 1);
3697
        }
3698
        break;
3699
#ifdef TARGET_I386
3700
    case TARGET_NR_modify_ldt:
3701
        ret = get_errno(do_modify_ldt(cpu_env, arg1, arg2, arg3));
3702
        break;
3703
#if !defined(TARGET_X86_64)
3704
    case TARGET_NR_vm86old:
3705
        goto unimplemented;
3706
    case TARGET_NR_vm86:
3707
        ret = do_vm86(cpu_env, arg1, arg2);
3708
        break;
3709
#endif
3710
#endif
3711
    case TARGET_NR_adjtimex:
3712
        goto unimplemented;
3713
#ifdef TARGET_NR_create_module
3714
    case TARGET_NR_create_module:
3715
#endif
3716
    case TARGET_NR_init_module:
3717
    case TARGET_NR_delete_module:
3718
#ifdef TARGET_NR_get_kernel_syms
3719
    case TARGET_NR_get_kernel_syms:
3720
#endif
3721
        goto unimplemented;
3722
    case TARGET_NR_quotactl:
3723
        goto unimplemented;
3724
    case TARGET_NR_getpgid:
3725
        ret = get_errno(getpgid(arg1));
3726
        break;
3727
    case TARGET_NR_fchdir:
3728
        ret = get_errno(fchdir(arg1));
3729
        break;
3730
#ifdef TARGET_NR_bdflush /* not on x86_64 */
3731
    case TARGET_NR_bdflush:
3732
        goto unimplemented;
3733
#endif
3734
#ifdef TARGET_NR_sysfs
3735
    case TARGET_NR_sysfs:
3736
        goto unimplemented;
3737
#endif
3738
    case TARGET_NR_personality:
3739
        ret = get_errno(personality(arg1));
3740
        break;
3741
#ifdef TARGET_NR_afs_syscall
3742
    case TARGET_NR_afs_syscall:
3743
        goto unimplemented;
3744
#endif
3745
#ifdef TARGET_NR__llseek /* Not on alpha */
3746
    case TARGET_NR__llseek:
3747
        {
3748
#if defined (__x86_64__)
3749
            ret = get_errno(lseek(arg1, ((uint64_t )arg2 << 32) | arg3, arg5));
3750
            tput64(arg4, ret);
3751
#else
3752
            int64_t res;
3753
            ret = get_errno(_llseek(arg1, arg2, arg3, &res, arg5));
3754
            tput64(arg4, res);
3755
#endif
3756
        }
3757
        break;
3758
#endif
3759
    case TARGET_NR_getdents:
3760
#if TARGET_LONG_SIZE != 4
3761
        goto unimplemented;
3762
#warning not supported
3763
#elif TARGET_LONG_SIZE == 4 && HOST_LONG_SIZE == 8
3764
        {
3765
            struct target_dirent *target_dirp;
3766
            struct dirent *dirp;
3767
            long count = arg3;
3768

    
3769
            dirp = malloc(count);
3770
            if (!dirp)
3771
                return -ENOMEM;
3772
            
3773
            ret = get_errno(sys_getdents(arg1, dirp, count));
3774
            if (!is_error(ret)) {
3775
                struct dirent *de;
3776
                struct target_dirent *tde;
3777
                int len = ret;
3778
                int reclen, treclen;
3779
                int count1, tnamelen;
3780

    
3781
                count1 = 0;
3782
                de = dirp;
3783
                target_dirp = lock_user(arg2, count, 0);
3784
                tde = target_dirp;
3785
                while (len > 0) {
3786
                    reclen = de->d_reclen;
3787
                    treclen = reclen - (2 * (sizeof(long) - sizeof(target_long)));
3788
                    tde->d_reclen = tswap16(treclen);
3789
                    tde->d_ino = tswapl(de->d_ino);
3790
                    tde->d_off = tswapl(de->d_off);
3791
                    tnamelen = treclen - (2 * sizeof(target_long) + 2);
3792
                    if (tnamelen > 256)
3793
                        tnamelen = 256;
3794
                    /* XXX: may not be correct */
3795
                    strncpy(tde->d_name, de->d_name, tnamelen);
3796
                    de = (struct dirent *)((char *)de + reclen);
3797
                    len -= reclen;
3798
                    tde = (struct target_dirent *)((char *)tde + treclen);
3799
                    count1 += treclen;
3800
                }
3801
                ret = count1;
3802
            }
3803
            unlock_user(target_dirp, arg2, ret);
3804
            free(dirp);
3805
        }
3806
#else
3807
        {
3808
            struct dirent *dirp;
3809
            long count = arg3;
3810

    
3811
            dirp = lock_user(arg2, count, 0);
3812
            ret = get_errno(sys_getdents(arg1, dirp, count));
3813
            if (!is_error(ret)) {
3814
                struct dirent *de;
3815
                int len = ret;
3816
                int reclen;
3817
                de = dirp;
3818
                while (len > 0) {
3819
                    reclen = de->d_reclen;
3820
                    if (reclen > len)
3821
                        break;
3822
                    de->d_reclen = tswap16(reclen);
3823
                    tswapls(&de->d_ino);
3824
                    tswapls(&de->d_off);
3825
                    de = (struct dirent *)((char *)de + reclen);
3826
                    len -= reclen;
3827
                }
3828
            }
3829
            unlock_user(dirp, arg2, ret);
3830
        }
3831
#endif
3832
        break;
3833
#ifdef TARGET_NR_getdents64
3834
    case TARGET_NR_getdents64:
3835
        {
3836
            struct dirent64 *dirp;
3837
            long count = arg3;
3838
            dirp = lock_user(arg2, count, 0);
3839
            ret = get_errno(sys_getdents64(arg1, dirp, count));
3840
            if (!is_error(ret)) {
3841
                struct dirent64 *de;
3842
                int len = ret;
3843
                int reclen;
3844
                de = dirp;
3845
                while (len > 0) {
3846
                    reclen = de->d_reclen;
3847
                    if (reclen > len)
3848
                        break;
3849
                    de->d_reclen = tswap16(reclen);
3850
                    tswap64s(&de->d_ino);
3851
                    tswap64s(&de->d_off);
3852
                    de = (struct dirent64 *)((char *)de + reclen);
3853
                    len -= reclen;
3854
                }
3855
            }
3856
            unlock_user(dirp, arg2, ret);
3857
        }
3858
        break;
3859
#endif /* TARGET_NR_getdents64 */
3860
#ifdef TARGET_NR__newselect
3861
    case TARGET_NR__newselect:
3862
        ret = do_select(arg1, arg2, arg3, arg4, arg5);
3863
        break;
3864
#endif
3865
#ifdef TARGET_NR_poll
3866
    case TARGET_NR_poll:
3867
        {
3868
            struct target_pollfd *target_pfd;
3869
            unsigned int nfds = arg2;
3870
            int timeout = arg3;
3871
            struct pollfd *pfd;
3872
            unsigned int i;
3873

    
3874
            target_pfd = lock_user(arg1, sizeof(struct target_pollfd) * nfds, 1);
3875
            pfd = alloca(sizeof(struct pollfd) * nfds);
3876
            for(i = 0; i < nfds; i++) {
3877
                pfd[i].fd = tswap32(target_pfd[i].fd);
3878
                pfd[i].events = tswap16(target_pfd[i].events);
3879
            }
3880
            ret = get_errno(poll(pfd, nfds, timeout));
3881
            if (!is_error(ret)) {
3882
                for(i = 0; i < nfds; i++) {
3883
                    target_pfd[i].revents = tswap16(pfd[i].revents);
3884
                }
3885
                ret += nfds * (sizeof(struct target_pollfd)
3886
                               - sizeof(struct pollfd));
3887
            }
3888
            unlock_user(target_pfd, arg1, ret);
3889
        }
3890
        break;
3891
#endif
3892
    case TARGET_NR_flock:
3893
        /* NOTE: the flock constant seems to be the same for every
3894
           Linux platform */
3895
        ret = get_errno(flock(arg1, arg2));
3896
        break;
3897
    case TARGET_NR_readv:
3898
        {
3899
            int count = arg3;
3900
            struct iovec *vec;
3901

    
3902
            vec = alloca(count * sizeof(struct iovec));
3903
            lock_iovec(vec, arg2, count, 0);
3904
            ret = get_errno(readv(arg1, vec, count));
3905
            unlock_iovec(vec, arg2, count, 1);
3906
        }
3907
        break;
3908
    case TARGET_NR_writev:
3909
        {
3910
            int count = arg3;
3911
            struct iovec *vec;
3912

    
3913
            vec = alloca(count * sizeof(struct iovec));
3914
            lock_iovec(vec, arg2, count, 1);
3915
            ret = get_errno(writev(arg1, vec, count));
3916
            unlock_iovec(vec, arg2, count, 0);
3917
        }
3918
        break;
3919
    case TARGET_NR_getsid:
3920
        ret = get_errno(getsid(arg1));
3921
        break;
3922
#if defined(TARGET_NR_fdatasync) /* Not on alpha (osf_datasync ?) */
3923
    case TARGET_NR_fdatasync:
3924
        ret = get_errno(fdatasync(arg1));
3925
        break;
3926
#endif
3927
    case TARGET_NR__sysctl:
3928
        /* We don't implement this, but ENODIR is always a safe
3929
           return value. */
3930
        return -ENOTDIR;
3931
    case TARGET_NR_sched_setparam:
3932
        {
3933
            struct sched_param *target_schp;
3934
            struct sched_param schp;
3935

    
3936
            lock_user_struct(target_schp, arg2, 1);
3937
            schp.sched_priority = tswap32(target_schp->sched_priority);
3938
            unlock_user_struct(target_schp, arg2, 0);
3939
            ret = get_errno(sched_setparam(arg1, &schp));
3940
        }
3941
        break;
3942
    case TARGET_NR_sched_getparam:
3943
        {
3944
            struct sched_param *target_schp;
3945
            struct sched_param schp;
3946
            ret = get_errno(sched_getparam(arg1, &schp));
3947
            if (!is_error(ret)) {
3948
                lock_user_struct(target_schp, arg2, 0);
3949
                target_schp->sched_priority = tswap32(schp.sched_priority);
3950
                unlock_user_struct(target_schp, arg2, 1);
3951
            }
3952
        }
3953
        break;
3954
    case TARGET_NR_sched_setscheduler:
3955
        {
3956
            struct sched_param *target_schp;
3957
            struct sched_param schp;
3958
            lock_user_struct(target_schp, arg3, 1);
3959
            schp.sched_priority = tswap32(target_schp->sched_priority);
3960
            unlock_user_struct(target_schp, arg3, 0);
3961
            ret = get_errno(sched_setscheduler(arg1, arg2, &schp));
3962
        }
3963
        break;
3964
    case TARGET_NR_sched_getscheduler:
3965
        ret = get_errno(sched_getscheduler(arg1));
3966
        break;
3967
    case TARGET_NR_sched_yield:
3968
        ret = get_errno(sched_yield());
3969
        break;
3970
    case TARGET_NR_sched_get_priority_max:
3971
        ret = get_errno(sched_get_priority_max(arg1));
3972
        break;
3973
    case TARGET_NR_sched_get_priority_min:
3974
        ret = get_errno(sched_get_priority_min(arg1));
3975
        break;
3976
    case TARGET_NR_sched_rr_get_interval:
3977
        {
3978
            struct timespec ts;
3979
            ret = get_errno(sched_rr_get_interval(arg1, &ts));
3980
            if (!is_error(ret)) {
3981
                host_to_target_timespec(arg2, &ts);
3982
            }
3983
        }
3984
        break;
3985
    case TARGET_NR_nanosleep:
3986
        {
3987
            struct timespec req, rem;
3988
            target_to_host_timespec(&req, arg1);
3989
            ret = get_errno(nanosleep(&req, &rem));
3990
            if (is_error(ret) && arg2) {
3991
                host_to_target_timespec(arg2, &rem);
3992
            }
3993
        }
3994
        break;
3995
#ifdef TARGET_NR_query_module
3996
    case TARGET_NR_query_module:
3997
        goto unimplemented;
3998
#endif
3999
#ifdef TARGET_NR_nfsservctl
4000
    case TARGET_NR_nfsservctl:
4001
        goto unimplemented;
4002
#endif
4003
    case TARGET_NR_prctl:
4004
        switch (arg1)
4005
            {
4006
            case PR_GET_PDEATHSIG:
4007
                {
4008
                    int deathsig;
4009
                    ret = get_errno(prctl(arg1, &deathsig, arg3, arg4, arg5));
4010
                    if (!is_error(ret) && arg2)
4011
                        tput32(arg2, deathsig);
4012
                }
4013
                break;
4014
            default:
4015
                ret = get_errno(prctl(arg1, arg2, arg3, arg4, arg5));
4016
                break;
4017
            }
4018
        break;
4019
#ifdef TARGET_NR_pread
4020
    case TARGET_NR_pread:
4021
        page_unprotect_range(arg2, arg3);
4022
        p = lock_user(arg2, arg3, 0);
4023
        ret = get_errno(pread(arg1, p, arg3, arg4));
4024
        unlock_user(p, arg2, ret);
4025
        break;
4026
    case TARGET_NR_pwrite:
4027
        p = lock_user(arg2, arg3, 1);
4028
        ret = get_errno(pwrite(arg1, p, arg3, arg4));
4029
        unlock_user(p, arg2, 0);
4030
        break;
4031
#endif
4032
    case TARGET_NR_getcwd:
4033
        p = lock_user(arg1, arg2, 0);
4034
        ret = get_errno(sys_getcwd1(p, arg2));
4035
        unlock_user(p, arg1, ret);
4036
        break;
4037
    case TARGET_NR_capget:
4038
        goto unimplemented;
4039
    case TARGET_NR_capset:
4040
        goto unimplemented;
4041
    case TARGET_NR_sigaltstack:
4042
        goto unimplemented;
4043
    case TARGET_NR_sendfile:
4044
        goto unimplemented;
4045
#ifdef TARGET_NR_getpmsg
4046
    case TARGET_NR_getpmsg:
4047
        goto unimplemented;
4048
#endif
4049
#ifdef TARGET_NR_putpmsg
4050
    case TARGET_NR_putpmsg:
4051
        goto unimplemented;
4052
#endif
4053
#ifdef TARGET_NR_vfork
4054
    case TARGET_NR_vfork:
4055
        ret = get_errno(do_fork(cpu_env, CLONE_VFORK | CLONE_VM | SIGCHLD, 0));
4056
        break;
4057
#endif
4058
#ifdef TARGET_NR_ugetrlimit
4059
    case TARGET_NR_ugetrlimit:
4060
    {
4061
        struct rlimit rlim;
4062
        ret = get_errno(getrlimit(arg1, &rlim));
4063
        if (!is_error(ret)) {
4064
            struct target_rlimit *target_rlim;
4065
            lock_user_struct(target_rlim, arg2, 0);
4066
            target_rlim->rlim_cur = tswapl(rlim.rlim_cur);
4067
            target_rlim->rlim_max = tswapl(rlim.rlim_max);
4068
            unlock_user_struct(target_rlim, arg2, 1);
4069
        }
4070
        break;
4071
    }
4072
#endif
4073
#ifdef TARGET_NR_truncate64
4074
    case TARGET_NR_truncate64:
4075
        p = lock_user_string(arg1);
4076
        ret = target_truncate64(cpu_env, p, arg2, arg3, arg4);
4077
        unlock_user(p, arg1, 0);
4078
        break;
4079
#endif
4080
#ifdef TARGET_NR_ftruncate64
4081
    case TARGET_NR_ftruncate64:
4082
        ret = target_ftruncate64(cpu_env, arg1, arg2, arg3, arg4);
4083
        break;
4084
#endif
4085
#ifdef TARGET_NR_stat64
4086
    case TARGET_NR_stat64:
4087
        p = lock_user_string(arg1);
4088
        ret = get_errno(stat(path(p), &st));
4089
        unlock_user(p, arg1, 0);
4090
        goto do_stat64;
4091
#endif
4092
#ifdef TARGET_NR_lstat64
4093
    case TARGET_NR_lstat64:
4094
        p = lock_user_string(arg1);
4095
        ret = get_errno(lstat(path(p), &st));
4096
        unlock_user(p, arg1, 0);
4097
        goto do_stat64;
4098
#endif
4099
#ifdef TARGET_NR_fstat64
4100
    case TARGET_NR_fstat64:
4101
        {
4102
            ret = get_errno(fstat(arg1, &st));
4103
        do_stat64:
4104
            if (!is_error(ret)) {
4105
#ifdef TARGET_ARM
4106
                if (((CPUARMState *)cpu_env)->eabi) {
4107
                    struct target_eabi_stat64 *target_st;
4108
                    lock_user_struct(target_st, arg2, 1);
4109
                    memset(target_st, 0, sizeof(struct target_eabi_stat64));
4110
                    /* put_user is probably wrong.  */
4111
                    put_user(st.st_dev, &target_st->st_dev);
4112
                    put_user(st.st_ino, &target_st->st_ino);
4113
#ifdef TARGET_STAT64_HAS_BROKEN_ST_INO
4114
                    put_user(st.st_ino, &target_st->__st_ino);
4115
#endif
4116
                    put_user(st.st_mode, &target_st->st_mode);
4117
                    put_user(st.st_nlink, &target_st->st_nlink);
4118
                    put_user(st.st_uid, &target_st->st_uid);
4119
                    put_user(st.st_gid, &target_st->st_gid);
4120
                    put_user(st.st_rdev, &target_st->st_rdev);
4121
                    /* XXX: better use of kernel struct */
4122
                    put_user(st.st_size, &target_st->st_size);
4123
                    put_user(st.st_blksize, &target_st->st_blksize);
4124
                    put_user(st.st_blocks, &target_st->st_blocks);
4125
                    put_user(st.st_atime, &target_st->target_st_atime);
4126
                    put_user(st.st_mtime, &target_st->target_st_mtime);
4127
                    put_user(st.st_ctime, &target_st->target_st_ctime);
4128
                    unlock_user_struct(target_st, arg2, 0);
4129
                } else
4130
#endif
4131
                {
4132
                    struct target_stat64 *target_st;
4133
                    lock_user_struct(target_st, arg2, 1);
4134
                    memset(target_st, 0, sizeof(struct target_stat64));
4135
                    /* ??? put_user is probably wrong.  */
4136
                    put_user(st.st_dev, &target_st->st_dev);
4137
                    put_user(st.st_ino, &target_st->st_ino);
4138
#ifdef TARGET_STAT64_HAS_BROKEN_ST_INO
4139
                    put_user(st.st_ino, &target_st->__st_ino);
4140
#endif
4141
                    put_user(st.st_mode, &target_st->st_mode);
4142
                    put_user(st.st_nlink, &target_st->st_nlink);
4143
                    put_user(st.st_uid, &target_st->st_uid);
4144
                    put_user(st.st_gid, &target_st->st_gid);
4145
                    put_user(st.st_rdev, &target_st->st_rdev);
4146
                    /* XXX: better use of kernel struct */
4147
                    put_user(st.st_size, &target_st->st_size);
4148
                    put_user(st.st_blksize, &target_st->st_blksize);
4149
                    put_user(st.st_blocks, &target_st->st_blocks);
4150
                    put_user(st.st_atime, &target_st->target_st_atime);
4151
                    put_user(st.st_mtime, &target_st->target_st_mtime);
4152
                    put_user(st.st_ctime, &target_st->target_st_ctime);
4153
                    unlock_user_struct(target_st, arg2, 0);
4154
                }
4155
            }
4156
        }
4157
        break;
4158
#endif
4159
#ifdef USE_UID16
4160
    case TARGET_NR_lchown:
4161
        p = lock_user_string(arg1);
4162
        ret = get_errno(lchown(p, low2highuid(arg2), low2highgid(arg3)));
4163
        unlock_user(p, arg1, 0);
4164
        break;
4165
    case TARGET_NR_getuid:
4166
        ret = get_errno(high2lowuid(getuid()));
4167
        break;
4168
    case TARGET_NR_getgid:
4169
        ret = get_errno(high2lowgid(getgid()));
4170
        break;
4171
    case TARGET_NR_geteuid:
4172
        ret = get_errno(high2lowuid(geteuid()));
4173
        break;
4174
    case TARGET_NR_getegid:
4175
        ret = get_errno(high2lowgid(getegid()));
4176
        break;
4177
    case TARGET_NR_setreuid:
4178
        ret = get_errno(setreuid(low2highuid(arg1), low2highuid(arg2)));
4179
        break;
4180
    case TARGET_NR_setregid:
4181
        ret = get_errno(setregid(low2highgid(arg1), low2highgid(arg2)));
4182
        break;
4183
    case TARGET_NR_getgroups:
4184
        {
4185
            int gidsetsize = arg1;
4186
            uint16_t *target_grouplist;
4187
            gid_t *grouplist;
4188
            int i;
4189

    
4190
            grouplist = alloca(gidsetsize * sizeof(gid_t));
4191
            ret = get_errno(getgroups(gidsetsize, grouplist));
4192
            if (!is_error(ret)) {
4193
                target_grouplist = lock_user(arg2, gidsetsize * 2, 0);
4194
                for(i = 0;i < gidsetsize; i++)
4195
                    target_grouplist[i] = tswap16(grouplist[i]);
4196
                unlock_user(target_grouplist, arg2, gidsetsize * 2);
4197
            }
4198
        }
4199
        break;
4200
    case TARGET_NR_setgroups:
4201
        {
4202
            int gidsetsize = arg1;
4203
            uint16_t *target_grouplist;
4204
            gid_t *grouplist;
4205
            int i;
4206

    
4207
            grouplist = alloca(gidsetsize * sizeof(gid_t));
4208
            target_grouplist = lock_user(arg2, gidsetsize * 2, 1);
4209
            for(i = 0;i < gidsetsize; i++)
4210
                grouplist[i] = tswap16(target_grouplist[i]);
4211
            unlock_user(target_grouplist, arg2, 0);
4212
            ret = get_errno(setgroups(gidsetsize, grouplist));
4213
        }
4214
        break;
4215
    case TARGET_NR_fchown:
4216
        ret = get_errno(fchown(arg1, low2highuid(arg2), low2highgid(arg3)));
4217
        break;
4218
#ifdef TARGET_NR_setresuid
4219
    case TARGET_NR_setresuid:
4220
        ret = get_errno(setresuid(low2highuid(arg1), 
4221
                                  low2highuid(arg2), 
4222
                                  low2highuid(arg3)));
4223
        break;
4224
#endif
4225
#ifdef TARGET_NR_getresuid
4226
    case TARGET_NR_getresuid:
4227
        {
4228
            uid_t ruid, euid, suid;
4229
            ret = get_errno(getresuid(&ruid, &euid, &suid));
4230
            if (!is_error(ret)) {
4231
                tput16(arg1, tswap16(high2lowuid(ruid)));
4232
                tput16(arg2, tswap16(high2lowuid(euid)));
4233
                tput16(arg3, tswap16(high2lowuid(suid)));
4234
            }
4235
        }
4236
        break;
4237
#endif
4238
#ifdef TARGET_NR_getresgid
4239
    case TARGET_NR_setresgid:
4240
        ret = get_errno(setresgid(low2highgid(arg1), 
4241
                                  low2highgid(arg2), 
4242
                                  low2highgid(arg3)));
4243
        break;
4244
#endif
4245
#ifdef TARGET_NR_getresgid
4246
    case TARGET_NR_getresgid:
4247
        {
4248
            gid_t rgid, egid, sgid;
4249
            ret = get_errno(getresgid(&rgid, &egid, &sgid));
4250
            if (!is_error(ret)) {
4251
                tput16(arg1, tswap16(high2lowgid(rgid)));
4252
                tput16(arg2, tswap16(high2lowgid(egid)));
4253
                tput16(arg3, tswap16(high2lowgid(sgid)));
4254
            }
4255
        }
4256
        break;
4257
#endif
4258
    case TARGET_NR_chown:
4259
        p = lock_user_string(arg1);
4260
        ret = get_errno(chown(p, low2highuid(arg2), low2highgid(arg3)));
4261
        unlock_user(p, arg1, 0);
4262
        break;
4263
    case TARGET_NR_setuid:
4264
        ret = get_errno(setuid(low2highuid(arg1)));
4265
        break;
4266
    case TARGET_NR_setgid:
4267
        ret = get_errno(setgid(low2highgid(arg1)));
4268
        break;
4269
    case TARGET_NR_setfsuid:
4270
        ret = get_errno(setfsuid(arg1));
4271
        break;
4272
    case TARGET_NR_setfsgid:
4273
        ret = get_errno(setfsgid(arg1));
4274
        break;
4275
#endif /* USE_UID16 */
4276

    
4277
#ifdef TARGET_NR_lchown32
4278
    case TARGET_NR_lchown32:
4279
        p = lock_user_string(arg1);
4280
        ret = get_errno(lchown(p, arg2, arg3));
4281
        unlock_user(p, arg1, 0);
4282
        break;
4283
#endif
4284
#ifdef TARGET_NR_getuid32
4285
    case TARGET_NR_getuid32:
4286
        ret = get_errno(getuid());
4287
        break;
4288
#endif
4289
#ifdef TARGET_NR_getgid32
4290
    case TARGET_NR_getgid32:
4291
        ret = get_errno(getgid());
4292
        break;
4293
#endif
4294
#ifdef TARGET_NR_geteuid32
4295
    case TARGET_NR_geteuid32:
4296
        ret = get_errno(geteuid());
4297
        break;
4298
#endif
4299
#ifdef TARGET_NR_getegid32
4300
    case TARGET_NR_getegid32:
4301
        ret = get_errno(getegid());
4302
        break;
4303
#endif
4304
#ifdef TARGET_NR_setreuid32
4305
    case TARGET_NR_setreuid32:
4306
        ret = get_errno(setreuid(arg1, arg2));
4307
        break;
4308
#endif
4309
#ifdef TARGET_NR_setregid32
4310
    case TARGET_NR_setregid32:
4311
        ret = get_errno(setregid(arg1, arg2));
4312
        break;
4313
#endif
4314
#ifdef TARGET_NR_getgroups32
4315
    case TARGET_NR_getgroups32:
4316
        {
4317
            int gidsetsize = arg1;
4318
            uint32_t *target_grouplist;
4319
            gid_t *grouplist;
4320
            int i;
4321

    
4322
            grouplist = alloca(gidsetsize * sizeof(gid_t));
4323
            ret = get_errno(getgroups(gidsetsize, grouplist));
4324
            if (!is_error(ret)) {
4325
                target_grouplist = lock_user(arg2, gidsetsize * 4, 0);
4326
                for(i = 0;i < gidsetsize; i++)
4327
                    target_grouplist[i] = tswap32(grouplist[i]);
4328
                unlock_user(target_grouplist, arg2, gidsetsize * 4);
4329
            }
4330
        }
4331
        break;
4332
#endif
4333
#ifdef TARGET_NR_setgroups32
4334
    case TARGET_NR_setgroups32:
4335
        {
4336
            int gidsetsize = arg1;
4337
            uint32_t *target_grouplist;
4338
            gid_t *grouplist;
4339
            int i;
4340
            
4341
            grouplist = alloca(gidsetsize * sizeof(gid_t));
4342
            target_grouplist = lock_user(arg2, gidsetsize * 4, 1);
4343
            for(i = 0;i < gidsetsize; i++)
4344
                grouplist[i] = tswap32(target_grouplist[i]);
4345
            unlock_user(target_grouplist, arg2, 0);
4346
            ret = get_errno(setgroups(gidsetsize, grouplist));
4347
        }
4348
        break;
4349
#endif
4350
#ifdef TARGET_NR_fchown32
4351
    case TARGET_NR_fchown32:
4352
        ret = get_errno(fchown(arg1, arg2, arg3));
4353
        break;
4354
#endif
4355
#ifdef TARGET_NR_setresuid32
4356
    case TARGET_NR_setresuid32:
4357
        ret = get_errno(setresuid(arg1, arg2, arg3));
4358
        break;
4359
#endif
4360
#ifdef TARGET_NR_getresuid32
4361
    case TARGET_NR_getresuid32:
4362
        {
4363
            uid_t ruid, euid, suid;
4364
            ret = get_errno(getresuid(&ruid, &euid, &suid));
4365
            if (!is_error(ret)) {
4366
                tput32(arg1, tswap32(ruid));
4367
                tput32(arg2, tswap32(euid));
4368
                tput32(arg3, tswap32(suid));
4369
            }
4370
        }
4371
        break;
4372
#endif
4373
#ifdef TARGET_NR_setresgid32
4374
    case TARGET_NR_setresgid32:
4375
        ret = get_errno(setresgid(arg1, arg2, arg3));
4376
        break;
4377
#endif
4378
#ifdef TARGET_NR_getresgid32
4379
    case TARGET_NR_getresgid32:
4380
        {
4381
            gid_t rgid, egid, sgid;
4382
            ret = get_errno(getresgid(&rgid, &egid, &sgid));
4383
            if (!is_error(ret)) {
4384
                tput32(arg1, tswap32(rgid));
4385
                tput32(arg2, tswap32(egid));
4386
                tput32(arg3, tswap32(sgid));
4387
            }
4388
        }
4389
        break;
4390
#endif
4391
#ifdef TARGET_NR_chown32
4392
    case TARGET_NR_chown32:
4393
        p = lock_user_string(arg1);
4394
        ret = get_errno(chown(p, arg2, arg3));
4395
        unlock_user(p, arg1, 0);
4396
        break;
4397
#endif
4398
#ifdef TARGET_NR_setuid32
4399
    case TARGET_NR_setuid32:
4400
        ret = get_errno(setuid(arg1));
4401
        break;
4402
#endif
4403
#ifdef TARGET_NR_setgid32
4404
    case TARGET_NR_setgid32:
4405
        ret = get_errno(setgid(arg1));
4406
        break;
4407
#endif
4408
#ifdef TARGET_NR_setfsuid32
4409
    case TARGET_NR_setfsuid32:
4410
        ret = get_errno(setfsuid(arg1));
4411
        break;
4412
#endif
4413
#ifdef TARGET_NR_setfsgid32
4414
    case TARGET_NR_setfsgid32:
4415
        ret = get_errno(setfsgid(arg1));
4416
        break;
4417
#endif
4418

    
4419
    case TARGET_NR_pivot_root:
4420
        goto unimplemented;
4421
#ifdef TARGET_NR_mincore
4422
    case TARGET_NR_mincore:
4423
        goto unimplemented;
4424
#endif
4425
#ifdef TARGET_NR_madvise
4426
    case TARGET_NR_madvise:
4427
        /* A straight passthrough may not be safe because qemu sometimes
4428
           turns private flie-backed mappings into anonymous mappings.
4429
           This will break MADV_DONTNEED.
4430
           This is a hint, so ignoring and returning success is ok.  */
4431
        ret = get_errno(0);
4432
        break;
4433
#endif
4434
#if TARGET_LONG_BITS == 32
4435
    case TARGET_NR_fcntl64:
4436
    {
4437
        int cmd;
4438
        struct flock64 fl;
4439
        struct target_flock64 *target_fl;
4440
#ifdef TARGET_ARM
4441
        struct target_eabi_flock64 *target_efl;
4442
#endif
4443

    
4444
        switch(arg2){
4445
        case TARGET_F_GETLK64:
4446
            cmd = F_GETLK64;
4447
            break;
4448
        case TARGET_F_SETLK64:
4449
            cmd = F_SETLK64;
4450
            break;
4451
        case TARGET_F_SETLKW64:
4452
            cmd = F_SETLK64;
4453
            break;
4454
        default:
4455
            cmd = arg2;
4456
            break;
4457
        }
4458

    
4459
        switch(arg2) {
4460
        case TARGET_F_GETLK64:
4461
#ifdef TARGET_ARM
4462
            if (((CPUARMState *)cpu_env)->eabi) {
4463
                lock_user_struct(target_efl, arg3, 1);
4464
                fl.l_type = tswap16(target_efl->l_type);
4465
                fl.l_whence = tswap16(target_efl->l_whence);
4466
                fl.l_start = tswap64(target_efl->l_start);
4467
                fl.l_len = tswap64(target_efl->l_len);
4468
                fl.l_pid = tswapl(target_efl->l_pid);
4469
                unlock_user_struct(target_efl, arg3, 0);
4470
            } else
4471
#endif
4472
            {
4473
                lock_user_struct(target_fl, arg3, 1);
4474
                fl.l_type = tswap16(target_fl->l_type);
4475
                fl.l_whence = tswap16(target_fl->l_whence);
4476
                fl.l_start = tswap64(target_fl->l_start);
4477
                fl.l_len = tswap64(target_fl->l_len);
4478
                fl.l_pid = tswapl(target_fl->l_pid);
4479
                unlock_user_struct(target_fl, arg3, 0);
4480
            }
4481
            ret = get_errno(fcntl(arg1, cmd, &fl));
4482
            if (ret == 0) {
4483
#ifdef TARGET_ARM
4484
                if (((CPUARMState *)cpu_env)->eabi) {
4485
                    lock_user_struct(target_efl, arg3, 0);
4486
                    target_efl->l_type = tswap16(fl.l_type);
4487
                    target_efl->l_whence = tswap16(fl.l_whence);
4488
                    target_efl->l_start = tswap64(fl.l_start);
4489
                    target_efl->l_len = tswap64(fl.l_len);
4490
                    target_efl->l_pid = tswapl(fl.l_pid);
4491
                    unlock_user_struct(target_efl, arg3, 1);
4492
                } else
4493
#endif
4494
                {
4495
                    lock_user_struct(target_fl, arg3, 0);
4496
                    target_fl->l_type = tswap16(fl.l_type);
4497
                    target_fl->l_whence = tswap16(fl.l_whence);
4498
                    target_fl->l_start = tswap64(fl.l_start);
4499
                    target_fl->l_len = tswap64(fl.l_len);
4500
                    target_fl->l_pid = tswapl(fl.l_pid);
4501
                    unlock_user_struct(target_fl, arg3, 1);
4502
                }
4503
            }
4504
            break;
4505

    
4506
        case TARGET_F_SETLK64:
4507
        case TARGET_F_SETLKW64:
4508
#ifdef TARGET_ARM
4509
            if (((CPUARMState *)cpu_env)->eabi) {
4510
                lock_user_struct(target_efl, arg3, 1);
4511
                fl.l_type = tswap16(target_efl->l_type);
4512
                fl.l_whence = tswap16(target_efl->l_whence);
4513
                fl.l_start = tswap64(target_efl->l_start);
4514
                fl.l_len = tswap64(target_efl->l_len);
4515
                fl.l_pid = tswapl(target_efl->l_pid);
4516
                unlock_user_struct(target_efl, arg3, 0);
4517
            } else
4518
#endif
4519
            {
4520
                lock_user_struct(target_fl, arg3, 1);
4521
                fl.l_type = tswap16(target_fl->l_type);
4522
                fl.l_whence = tswap16(target_fl->l_whence);
4523
                fl.l_start = tswap64(target_fl->l_start);
4524
                fl.l_len = tswap64(target_fl->l_len);
4525
                fl.l_pid = tswapl(target_fl->l_pid);
4526
                unlock_user_struct(target_fl, arg3, 0);
4527
            }
4528
            ret = get_errno(fcntl(arg1, cmd, &fl));
4529
            break;
4530
        default:
4531
            ret = get_errno(do_fcntl(arg1, cmd, arg3));
4532
            break;
4533
        }
4534
        break;
4535
    }
4536
#endif
4537
#ifdef TARGET_NR_cacheflush
4538
    case TARGET_NR_cacheflush:
4539
        /* self-modifying code is handled automatically, so nothing needed */
4540
        ret = 0;
4541
        break;
4542
#endif
4543
#ifdef TARGET_NR_security
4544
    case TARGET_NR_security:
4545
        goto unimplemented;
4546
#endif
4547
#ifdef TARGET_NR_getpagesize
4548
    case TARGET_NR_getpagesize:
4549
        ret = TARGET_PAGE_SIZE;
4550
        break;
4551
#endif
4552
    case TARGET_NR_gettid:
4553
        ret = get_errno(gettid());
4554
        break;
4555
#ifdef TARGET_NR_readahead
4556
    case TARGET_NR_readahead:
4557
        goto unimplemented;
4558
#endif
4559
#ifdef TARGET_NR_setxattr
4560
    case TARGET_NR_setxattr:
4561
    case TARGET_NR_lsetxattr:
4562
    case TARGET_NR_fsetxattr:
4563
    case TARGET_NR_getxattr:
4564
    case TARGET_NR_lgetxattr:
4565
    case TARGET_NR_fgetxattr:
4566
    case TARGET_NR_listxattr:
4567
    case TARGET_NR_llistxattr:
4568
    case TARGET_NR_flistxattr:
4569
    case TARGET_NR_removexattr:
4570
    case TARGET_NR_lremovexattr:
4571
    case TARGET_NR_fremovexattr:
4572
        goto unimplemented_nowarn;
4573
#endif
4574
#ifdef TARGET_NR_set_thread_area
4575
    case TARGET_NR_set_thread_area:
4576
#ifdef TARGET_MIPS
4577
      ((CPUMIPSState *) cpu_env)->tls_value = arg1;
4578
      ret = 0;
4579
      break;
4580
#else
4581
      goto unimplemented_nowarn;
4582
#endif
4583
#endif
4584
#ifdef TARGET_NR_get_thread_area
4585
    case TARGET_NR_get_thread_area:
4586
        goto unimplemented_nowarn;
4587
#endif
4588
#ifdef TARGET_NR_getdomainname
4589
    case TARGET_NR_getdomainname:
4590
        goto unimplemented_nowarn;
4591
#endif
4592

    
4593
#ifdef TARGET_NR_clock_gettime
4594
    case TARGET_NR_clock_gettime:
4595
    {
4596
        struct timespec ts;
4597
        ret = get_errno(clock_gettime(arg1, &ts));
4598
        if (!is_error(ret)) {
4599
            host_to_target_timespec(arg2, &ts);
4600
        }
4601
        break;
4602
    }
4603
#endif
4604
#ifdef TARGET_NR_clock_getres
4605
    case TARGET_NR_clock_getres:
4606
    {
4607
        struct timespec ts;
4608
        ret = get_errno(clock_getres(arg1, &ts));
4609
        if (!is_error(ret)) {
4610
            host_to_target_timespec(arg2, &ts);
4611
        }
4612
        break;
4613
    }
4614
#endif
4615

    
4616
#if defined(TARGET_NR_set_tid_address) && defined(__NR_set_tid_address)
4617
    case TARGET_NR_set_tid_address:
4618
      ret = get_errno(set_tid_address((int *) arg1));
4619
      break;
4620
#endif
4621

    
4622
#ifdef TARGET_NR_tkill
4623
    case TARGET_NR_tkill:
4624
        ret = get_errno(sys_tkill((int)arg1, (int)arg2));
4625
        break;
4626
#endif
4627

    
4628
#ifdef TARGET_NR_tgkill
4629
    case TARGET_NR_tgkill:
4630
        ret = get_errno(sys_tgkill((int)arg1, (int)arg2, (int)arg3));
4631
        break;
4632
#endif
4633

    
4634
#ifdef TARGET_NR_set_robust_list
4635
    case TARGET_NR_set_robust_list:
4636
        goto unimplemented_nowarn;
4637
#endif
4638

    
4639
    default:
4640
    unimplemented:
4641
        gemu_log("qemu: Unsupported syscall: %d\n", num);
4642
#if defined(TARGET_NR_setxattr) || defined(TARGET_NR_get_thread_area) || defined(TARGET_NR_getdomainname) || defined(TARGET_NR_set_robust_list)
4643
    unimplemented_nowarn:
4644
#endif
4645
        ret = -ENOSYS;
4646
        break;
4647
    }
4648
 fail:
4649
#ifdef DEBUG
4650
    gemu_log(" = %ld\n", ret);
4651
#endif
4652
    return ret;
4653
}
4654