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1
/*
2
 *  Darwin syscalls
3
 *
4
 *  Copyright (c) 2003 Fabrice Bellard
5
 *  Copyright (c) 2006 Pierre d'Herbemont
6
 *
7
 *  This program is free software; you can redistribute it and/or modify
8
 *  it under the terms of the GNU General Public License as published by
9
 *  the Free Software Foundation; either version 2 of the License, or
10
 *  (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,
13
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
14
 *  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, see <http://www.gnu.org/licenses/>.
19
 */
20
#include <fcntl.h>
21
#include <stdio.h>
22
#include <stdlib.h>
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#include <errno.h>
24

    
25
#include <mach/host_info.h>
26
#include <mach/mach.h>
27
#include <mach/mach_time.h>
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#include <mach/message.h>
29

    
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#include <pthread.h>
31
#include <dirent.h>
32

    
33
#include <sys/stat.h>
34
#include <sys/syscall.h>
35
#include <sys/sysctl.h>
36
#include <sys/types.h>
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#include <unistd.h>
38
#include <sys/ioctl.h>
39
#include <sys/mman.h>
40
#include <sys/types.h>
41
#include <sys/dirent.h>
42
#include <sys/uio.h>
43
#include <sys/termios.h>
44
#include <sys/ptrace.h>
45
#include <net/if.h>
46

    
47
#include <sys/param.h>
48
#include <sys/mount.h>
49

    
50
#include <sys/attr.h>
51

    
52
#include <mach/ndr.h>
53
#include <mach/mig_errors.h>
54

    
55
#include <sys/xattr.h>
56

    
57
#include "qemu.h"
58

    
59
//#define DEBUG_SYSCALL
60

    
61
#ifdef DEBUG_SYSCALL
62
# define DEBUG_FORCE_ENABLE_LOCAL() int __DEBUG_qemu_user_force_enable = 1
63
# define DEBUG_BEGIN_ENABLE  __DEBUG_qemu_user_force_enable = 1;
64
# define DEBUG_END_ENABLE  __DEBUG_qemu_user_force_enable = 0;
65

    
66
# define DEBUG_DISABLE_ALL() static int __DEBUG_qemu_user_force_enable = 0
67
# define DEBUG_ENABLE_ALL()  static int __DEBUG_qemu_user_force_enable = 1
68
    DEBUG_ENABLE_ALL();
69

    
70
# define DPRINTF(...) do { qemu_log(__VA_ARGS__); \
71
                           if(__DEBUG_qemu_user_force_enable) fprintf(stderr, __VA_ARGS__); \
72
                         } while(0)
73
#else
74
# define DEBUG_FORCE_ENABLE_LOCAL()
75
# define DEBUG_BEGIN_ENABLE
76
# define DEBUG_END_ENABLE
77

    
78
# define DPRINTF(...) do { qemu_log(__VA_ARGS__); } while(0)
79
#endif
80

    
81
enum {
82
    bswap_out = 0,
83
    bswap_in = 1
84
};
85

    
86
extern const char *interp_prefix;
87

    
88
static inline long get_errno(long ret)
89
{
90
    if (ret == -1)
91
        return -errno;
92
    else
93
        return ret;
94
}
95

    
96
static inline int is_error(long ret)
97
{
98
    return (unsigned long)ret >= (unsigned long)(-4096);
99
}
100

    
101
/* ------------------------------------------------------------
102
   Mach syscall handling
103
*/
104

    
105
void static inline print_description_msg_header(mach_msg_header_t *hdr)
106
{
107
    char *name = NULL;
108
    int i;
109
    struct { int number; char *name; } msg_name[] =
110
    {
111
        /* see http://fxr.watson.org/fxr/source/compat/mach/mach_namemap.c?v=NETBSD */
112
        { 200,      "host_info" },
113
        { 202,      "host_page_size" },
114
        { 206,      "host_get_clock_service" },
115
        { 206,      "host_get_clock_service" },
116
        { 206,      "host_get_clock_service" },
117
        { 306,      "host_get_clock_service" },
118
        { 3204,     "mach_port_allocate" },
119
        { 3206,     "mach_port_deallocate" },
120
        { 3404,     "mach_ports_lookup" },
121
        { 3409,     "mach_task_get_special_port" },
122
        { 3414,     "mach_task_get_exception_ports" },
123
        { 3418,     "mach_semaphore_create" },
124
        { 3504,     "mach_semaphore_create" },
125
        { 3509,     "mach_semaphore_create" },
126
        { 3518,     "semaphore_create" },
127
        { 3616,     "thread_policy" },
128
        { 3801,     "vm_allocate" },
129
        { 3802,     "vm_deallocate" },
130
        { 3802,     "vm_deallocate" },
131
        { 3803,     "vm_protect" },
132
        { 3812,     "vm_map" },
133
        { 4241776,  "lu_message_send_id" },  /* lookupd */
134
        { 4241876,  "lu_message_reply_id" }, /* lookupd */
135
    };
136

    
137
    for(i = 0; i < ARRAY_SIZE(msg_name); i++) {
138
        if(msg_name[i].number == hdr->msgh_id)
139
        {
140
            name = msg_name[i].name;
141
            break;
142
        }
143
    }
144
    if(!name)
145
        DPRINTF("unknown mach msg %d 0x%x\n", hdr->msgh_id, hdr->msgh_id);
146
    else
147
        DPRINTF("%s\n", name);
148
#if 0
149
    DPRINTF("Bits: %8x\n", hdr->msgh_bits);
150
    DPRINTF("Size: %8x\n", hdr->msgh_size);
151
    DPRINTF("Rmte: %8x\n", hdr->msgh_remote_port);
152
    DPRINTF("Locl: %8x\n", hdr->msgh_local_port);
153
    DPRINTF("Rsrv: %8x\n", hdr->msgh_reserved);
154

155
    DPRINTF("Id  : %8x\n", hdr->msgh_id);
156

157
    NDR_record_t *ndr = (NDR_record_t *)(hdr + 1);
158
    DPRINTF("hdr = %p, sizeof(hdr) = %x, NDR = %p\n", hdr, (unsigned int)sizeof(mach_msg_header_t), ndr);
159
    DPRINTF("%d %d %d %d %d %d %d %d\n",
160
           ndr->mig_vers, ndr->if_vers, ndr->reserved1, ndr->mig_encoding,
161
           ndr->int_rep, ndr->char_rep, ndr->float_rep, ndr->reserved2);
162
#endif
163
}
164

    
165
static inline void print_mach_msg_return(mach_msg_return_t ret)
166
{
167
    int i, found = 0;
168
#define MACH_MSG_RET(msg) { msg, #msg }
169
    struct { int code; char *name; } msg_name[] =
170
    {
171
        /* ref: http://darwinsource.opendarwin.org/10.4.2/xnu-792.2.4/osfmk/man/mach_msg.html */
172
        /* send message */
173
        MACH_MSG_RET(MACH_SEND_MSG_TOO_SMALL),
174
        MACH_MSG_RET(MACH_SEND_NO_BUFFER),
175
        MACH_MSG_RET(MACH_SEND_INVALID_DATA),
176
        MACH_MSG_RET(MACH_SEND_INVALID_HEADER),
177
        MACH_MSG_RET(MACH_SEND_INVALID_DEST),
178
        MACH_MSG_RET(MACH_SEND_INVALID_NOTIFY),
179
        MACH_MSG_RET(MACH_SEND_INVALID_REPLY),
180
        MACH_MSG_RET(MACH_SEND_INVALID_TRAILER),
181
        MACH_MSG_RET(MACH_SEND_INVALID_MEMORY),
182
        MACH_MSG_RET(MACH_SEND_INVALID_RIGHT),
183
        MACH_MSG_RET(MACH_SEND_INVALID_TYPE),
184
        MACH_MSG_RET(MACH_SEND_INTERRUPTED),
185
        MACH_MSG_RET(MACH_SEND_TIMED_OUT),
186

    
187
        MACH_MSG_RET(MACH_RCV_BODY_ERROR),
188
        MACH_MSG_RET(MACH_RCV_HEADER_ERROR),
189

    
190
        MACH_MSG_RET(MACH_RCV_IN_SET),
191
        MACH_MSG_RET(MACH_RCV_INTERRUPTED),
192

    
193
        MACH_MSG_RET(MACH_RCV_INVALID_DATA),
194
        MACH_MSG_RET(MACH_RCV_INVALID_NAME),
195
        MACH_MSG_RET(MACH_RCV_INVALID_NOTIFY),
196
        MACH_MSG_RET(MACH_RCV_INVALID_TRAILER),
197
        MACH_MSG_RET(MACH_RCV_INVALID_TYPE),
198

    
199
        MACH_MSG_RET(MACH_RCV_PORT_CHANGED),
200
        MACH_MSG_RET(MACH_RCV_PORT_DIED),
201

    
202
        MACH_MSG_RET(MACH_RCV_SCATTER_SMALL),
203
        MACH_MSG_RET(MACH_RCV_TIMED_OUT),
204
        MACH_MSG_RET(MACH_RCV_TOO_LARGE)
205
    };
206
#undef MACH_MSG_RET
207

    
208
    if( ret == MACH_MSG_SUCCESS)
209
        DPRINTF("MACH_MSG_SUCCESS\n");
210
    else
211
    {
212
        for( i = 0; i < ARRAY_SIZE(msg_name); i++) {
213
            if(msg_name[i].code == ret) {
214
                DPRINTF("%s\n", msg_name[i].name);
215
                found = 1;
216
                break;
217
            }
218
        }
219
        if(!found)
220
            qerror("unknow mach message ret code %d\n", ret);
221
    }
222
}
223

    
224
static inline void swap_mach_msg_header(mach_msg_header_t *hdr)
225
{
226
    hdr->msgh_bits = tswap32(hdr->msgh_bits);
227
    hdr->msgh_size = tswap32(hdr->msgh_size);
228
    hdr->msgh_remote_port = tswap32(hdr->msgh_remote_port);
229
    hdr->msgh_local_port = tswap32(hdr->msgh_local_port);
230
    hdr->msgh_reserved = tswap32(hdr->msgh_reserved);
231
    hdr->msgh_id = tswap32(hdr->msgh_id);
232
}
233

    
234
struct complex_msg {
235
            mach_msg_header_t hdr;
236
            mach_msg_body_t body;
237
};
238

    
239
static inline void swap_mach_msg_body(struct complex_msg *complex_msg, int bswap)
240
{
241
    mach_msg_port_descriptor_t *descr = (mach_msg_port_descriptor_t *)(complex_msg+1);
242
    int i,j;
243

    
244
    if(bswap == bswap_in)
245
        tswap32s(&complex_msg->body.msgh_descriptor_count);
246

    
247
    DPRINTF("body.msgh_descriptor_count %d\n", complex_msg->body.msgh_descriptor_count);
248

    
249
    for(i = 0; i < complex_msg->body.msgh_descriptor_count; i++) {
250
        switch(descr->type)
251
        {
252
            case MACH_MSG_PORT_DESCRIPTOR:
253
                tswap32s(&descr->name);
254
                descr++;
255
                break;
256
            case MACH_MSG_OOL_DESCRIPTOR:
257
            {
258
                mach_msg_ool_descriptor_t *ool = (void *)descr;
259
                tswap32s((uint32_t *)&ool->address);
260
                tswap32s(&ool->size);
261

    
262
                descr = (mach_msg_port_descriptor_t *)(ool+1);
263
                break;
264
            }
265
            case MACH_MSG_OOL_PORTS_DESCRIPTOR:
266
            {
267
                mach_msg_ool_ports_descriptor_t *ool_ports = (void *)descr;
268
                mach_port_name_t * port_names;
269

    
270
                if(bswap == bswap_in)
271
                {
272
                    tswap32s((uint32_t *)&ool_ports->address);
273
                    tswap32s(&ool_ports->count);
274
                }
275

    
276
                port_names = ool_ports->address;
277

    
278
                for(j = 0; j < ool_ports->count; j++)
279
                    tswap32s(&port_names[j]);
280

    
281
                if(bswap == bswap_out)
282
                {
283
                    tswap32s((uint32_t *)&ool_ports->address);
284
                    tswap32s(&ool_ports->count);
285
                }
286

    
287
                descr = (mach_msg_port_descriptor_t *)(ool_ports+1);
288
                break;
289
            }
290
            default: qerror("unknow mach msg descriptor type %x\n", descr->type);
291
        }
292
    }
293
    if(bswap == bswap_out)
294
        tswap32s(&complex_msg->body.msgh_descriptor_count);
295
}
296

    
297
static inline void swap_mach_msg(mach_msg_header_t *hdr, int bswap)
298
{
299
    if (bswap == bswap_out && hdr->msgh_bits & MACH_MSGH_BITS_COMPLEX)
300
        swap_mach_msg_body((struct complex_msg *)hdr, bswap);
301

    
302
    swap_mach_msg_header(hdr);
303

    
304
    if (bswap == bswap_in && hdr->msgh_bits & MACH_MSGH_BITS_COMPLEX)
305
        swap_mach_msg_body((struct complex_msg *)hdr, bswap);
306
}
307

    
308
static inline uint32_t target_mach_msg_trap(
309
        mach_msg_header_t *hdr, uint32_t options, uint32_t send_size,
310
        uint32_t rcv_size, uint32_t rcv_name, uint32_t time_out, uint32_t notify)
311
{
312
    extern int mach_msg_trap(mach_msg_header_t *, mach_msg_option_t,
313
          mach_msg_size_t, mach_msg_size_t, mach_port_t,
314
          mach_msg_timeout_t, mach_port_t);
315
    mach_msg_audit_trailer_t *trailer;
316
    mach_msg_id_t msg_id;
317
    uint32_t ret = 0;
318
    int i;
319

    
320
    swap_mach_msg(hdr, bswap_in);
321

    
322
    msg_id = hdr->msgh_id;
323

    
324
    print_description_msg_header(hdr);
325

    
326
    ret = mach_msg_trap(hdr, options, send_size, rcv_size, rcv_name, time_out, notify);
327

    
328
    print_mach_msg_return(ret);
329

    
330
    if( (options & MACH_RCV_MSG) && (REQUESTED_TRAILER_SIZE(options) > 0) )
331
    {
332
        /* XXX: the kernel always return the full trailer with MACH_SEND_MSG, so we should
333
                probably always bswap it  */
334
        /* warning: according to Mac OS X Internals (the book) msg_size might be expressed in
335
                    natural_t units but according to xnu/osfmk/mach/message.h: "The size of
336
                    the message must be specified in bytes" */
337
        trailer = (mach_msg_audit_trailer_t *)((uint8_t *)hdr + hdr->msgh_size);
338
        /* XXX: Should probably do that based on the option asked by the sender, but dealing
339
        with kernel answer seems more sound */
340
        switch(trailer->msgh_trailer_size)
341
        {
342
            case sizeof(mach_msg_audit_trailer_t):
343
                for(i = 0; i < 8; i++)
344
                    tswap32s(&trailer->msgh_audit.val[i]);
345
                /* Fall in mach_msg_security_trailer_t case */
346
            case sizeof(mach_msg_security_trailer_t):
347
                tswap32s(&trailer->msgh_sender.val[0]);
348
                tswap32s(&trailer->msgh_sender.val[1]);
349
                /* Fall in mach_msg_seqno_trailer_t case */
350
            case sizeof(mach_msg_seqno_trailer_t):
351
                tswap32s(&trailer->msgh_seqno);
352
                /* Fall in mach_msg_trailer_t case */
353
            case sizeof(mach_msg_trailer_t):
354
                tswap32s(&trailer->msgh_trailer_type);
355
                tswap32s(&trailer->msgh_trailer_size);
356
                break;
357
            case 0:
358
                /* Safer not to byteswap, but probably wrong */
359
                break;
360
            default:
361
                qerror("unknow trailer type given its size %d\n", trailer->msgh_trailer_size);
362
                break;
363
        }
364
    }
365

    
366
    /* Special message handling */
367
    switch (msg_id) {
368
        case 200: /* host_info */
369
        {
370
            mig_reply_error_t *err = (mig_reply_error_t *)hdr;
371
            struct {
372
                uint32_t unknow1;
373
                uint32_t max_cpus;
374
                uint32_t avail_cpus;
375
                uint32_t memory_size;
376
                uint32_t cpu_type;
377
                uint32_t cpu_subtype;
378
            } *data = (void *)(err+1);
379

    
380
            DPRINTF("maxcpu = 0x%x\n",   data->max_cpus);
381
            DPRINTF("numcpu = 0x%x\n",   data->avail_cpus);
382
            DPRINTF("memsize = 0x%x\n",  data->memory_size);
383

    
384
#if defined(TARGET_I386)
385
            data->cpu_type = CPU_TYPE_I386;
386
            DPRINTF("cpu_type changed to 0x%x(i386)\n", data->cpu_type);
387
            data->cpu_subtype = CPU_SUBTYPE_PENT;
388
            DPRINTF("cpu_subtype changed to 0x%x(i386_pent)\n", data->cpu_subtype);
389
#elif defined(TARGET_PPC)
390
            data->cpu_type = CPU_TYPE_POWERPC;
391
            DPRINTF("cpu_type changed to 0x%x(ppc)\n", data->cpu_type);
392
            data->cpu_subtype = CPU_SUBTYPE_POWERPC_750;
393
            DPRINTF("cpu_subtype changed to 0x%x(ppc_all)\n", data->cpu_subtype);
394
#else
395
# error target not supported
396
#endif
397
            break;
398
        }
399
        case 202: /* host_page_size */
400
        {
401
            mig_reply_error_t *err = (mig_reply_error_t *)hdr;
402
            uint32_t *pagesize = (uint32_t *)(err+1);
403

    
404
            DPRINTF("pagesize = %d\n", *pagesize);
405
            break;
406
        }
407
        default: break;
408
    }
409

    
410
    swap_mach_msg(hdr, bswap_out);
411

    
412
    return ret;
413
}
414

    
415
long do_mach_syscall(void *cpu_env, int num, uint32_t arg1, uint32_t arg2, uint32_t arg3,
416
                uint32_t arg4, uint32_t arg5, uint32_t arg6, uint32_t arg7,
417
                uint32_t arg8)
418
{
419
    extern uint32_t mach_reply_port(void);
420

    
421
    long ret = 0;
422

    
423
    arg1 = tswap32(arg1);
424
    arg2 = tswap32(arg2);
425
    arg3 = tswap32(arg3);
426
    arg4 = tswap32(arg4);
427
    arg5 = tswap32(arg5);
428
    arg6 = tswap32(arg6);
429
    arg7 = tswap32(arg7);
430
    arg8 = tswap32(arg8);
431

    
432
    DPRINTF("mach syscall %d : " , num);
433

    
434
    switch(num) {
435
    /* see xnu/osfmk/mach/syscall_sw.h */
436
    case -26:
437
        DPRINTF("mach_reply_port()\n");
438
        ret = mach_reply_port();
439
        break;
440
    case -27:
441
        DPRINTF("mach_thread_self()\n");
442
        ret = mach_thread_self();
443
        break;
444
    case -28:
445
        DPRINTF("mach_task_self()\n");
446
        ret = mach_task_self();
447
        break;
448
    case -29:
449
        DPRINTF("mach_host_self()\n");
450
        ret = mach_host_self();
451
        break;
452
    case -31:
453
        DPRINTF("mach_msg_trap(0x%x, 0x%x, 0x%x, 0x%x, 0x%x, 0x%x, 0x%x)\n",
454
                arg1, arg2, arg3, arg4, arg5, arg6, arg7);
455
        ret = target_mach_msg_trap((mach_msg_header_t *)arg1, arg2, arg3, arg4, arg5, arg6, arg7);
456
        break;
457
/* may need more translation if target arch is different from host */
458
#if (defined(TARGET_I386) && defined(__i386__)) || (defined(TARGET_PPC) && defined(__ppc__))
459
    case -33:
460
        DPRINTF("semaphore_signal_trap(0x%x)\n", arg1);
461
        ret = semaphore_signal_trap(arg1);
462
        break;
463
    case -34:
464
        DPRINTF("semaphore_signal_all_trap(0x%x)\n", arg1);
465
        ret = semaphore_signal_all_trap(arg1);
466
        break;
467
    case -35:
468
        DPRINTF("semaphore_signal_thread_trap(0x%x)\n", arg1, arg2);
469
        ret = semaphore_signal_thread_trap(arg1,arg2);
470
        break;
471
#endif
472
    case -36:
473
        DPRINTF("semaphore_wait_trap(0x%x)\n", arg1);
474
        extern int semaphore_wait_trap(int); // XXX: is there any header for that?
475
        ret = semaphore_wait_trap(arg1);
476
        break;
477
/* may need more translation if target arch is different from host */
478
#if (defined(TARGET_I386) && defined(__i386__)) || (defined(TARGET_PPC) && defined(__ppc__))
479
    case -37:
480
        DPRINTF("semaphore_wait_signal_trap(0x%x, 0x%x)\n", arg1, arg2);
481
        ret = semaphore_wait_signal_trap(arg1,arg2);
482
        break;
483
#endif
484
    case -43:
485
        DPRINTF("map_fd(0x%x, 0x%x, 0x%x, 0x%x, 0x%x)\n",
486
                arg1, arg2, arg3, arg4, arg5);
487
        ret = map_fd(arg1, arg2, (void*)arg3, arg4, arg5);
488
        tswap32s((uint32_t*)arg3);
489
        break;
490
/* may need more translation if target arch is different from host */
491
#if (defined(TARGET_I386) && defined(__i386__)) || (defined(TARGET_PPC) && defined(__ppc__))
492
    case -61:
493
        DPRINTF("syscall_thread_switch(0x%x, 0x%x, 0x%x)\n",
494
                arg1, arg2, arg3);
495
        ret = syscall_thread_switch(arg1, arg2, arg3);  // just a hint to the scheduler; can drop?
496
        break;
497
#endif
498
    case -89:
499
        DPRINTF("mach_timebase_info(0x%x)\n", arg1);
500
        struct mach_timebase_info info;
501
        ret = mach_timebase_info(&info);
502
        if(!is_error(ret))
503
        {
504
            struct mach_timebase_info *outInfo = (void*)arg1;
505
            outInfo->numer = tswap32(info.numer);
506
            outInfo->denom = tswap32(info.denom);
507
        }
508
        break;
509
    case -90:
510
        DPRINTF("mach_wait_until()\n");
511
        extern int mach_wait_until(uint64_t); // XXX: is there any header for that?
512
        ret = mach_wait_until(((uint64_t)arg2<<32) | (uint64_t)arg1);
513
        break;
514
    case -91:
515
        DPRINTF("mk_timer_create()\n");
516
        extern int mk_timer_create(); // XXX: is there any header for that?
517
        ret = mk_timer_create();
518
        break;
519
    case -92:
520
        DPRINTF("mk_timer_destroy()\n");
521
        extern int mk_timer_destroy(int); // XXX: is there any header for that?
522
        ret = mk_timer_destroy(arg1);
523
        break;
524
    case -93:
525
        DPRINTF("mk_timer_create()\n");
526
        extern int mk_timer_arm(int, uint64_t); // XXX: is there any header for that?
527
        ret = mk_timer_arm(arg1, ((uint64_t)arg3<<32) | (uint64_t)arg2);
528
        break;
529
    case -94:
530
        DPRINTF("mk_timer_cancel()\n");
531
        extern int mk_timer_cancel(int, uint64_t *); // XXX: is there any header for that?
532
        ret = mk_timer_cancel(arg1, (uint64_t *)arg2);
533
        if((!is_error(ret)) && arg2)
534
            tswap64s((uint64_t *)arg2);
535
        break;
536
    default:
537
        gemu_log("qemu: Unsupported mach syscall: %d(0x%x)\n", num, num);
538
        gdb_handlesig (cpu_env, SIGTRAP);
539
        exit(0);
540
        break;
541
    }
542
    return ret;
543
}
544

    
545
/* ------------------------------------------------------------
546
   thread type syscall handling
547
*/
548
long do_thread_syscall(void *cpu_env, int num, uint32_t arg1, uint32_t arg2, uint32_t arg3,
549
                uint32_t arg4, uint32_t arg5, uint32_t arg6, uint32_t arg7,
550
                uint32_t arg8)
551
{
552
    extern uint32_t cthread_set_self(uint32_t);
553
    extern uint32_t processor_facilities_used(void);
554
    long ret = 0;
555

    
556
    arg1 = tswap32(arg1);
557
    arg2 = tswap32(arg2);
558
    arg3 = tswap32(arg3);
559
    arg4 = tswap32(arg4);
560
    arg5 = tswap32(arg5);
561
    arg6 = tswap32(arg6);
562
    arg7 = tswap32(arg7);
563
    arg8 = tswap32(arg8);
564

    
565
    DPRINTF("thread syscall %d : " , num);
566

    
567
    switch(num) {
568
#ifdef TARGET_I386
569
    case 0x3:
570
#endif
571
    case 0x7FF1: /* cthread_set_self */
572
        DPRINTF("cthread_set_self(0x%x)\n", (unsigned int)arg1);
573
        ret = cthread_set_self(arg1);
574
#ifdef TARGET_I386
575
        /* we need to update the LDT with the address of the thread */
576
        write_dt((void *)(((CPUX86State *) cpu_env)->ldt.base + (4 * sizeof(uint64_t))), arg1, 1,
577
                 DESC_G_MASK | DESC_B_MASK | DESC_P_MASK | DESC_S_MASK |
578
                 (3 << DESC_DPL_SHIFT) | (0x2 << DESC_TYPE_SHIFT));
579
        /* New i386 convention, %gs should be set to our this LDT entry */
580
        cpu_x86_load_seg(cpu_env, R_GS, 0x27);
581
        /* Old i386 convention, the kernel returns the selector for the cthread (pre-10.4.8?)*/
582
        ret = 0x27;
583
#endif
584
        break;
585
    case 0x7FF2: /* Called the super-fast pthread_self handler by the apple guys */
586
        DPRINTF("pthread_self()\n");
587
        ret = (uint32_t)pthread_self();
588
        break;
589
    case 0x7FF3:
590
        DPRINTF("processor_facilities_used()\n");
591
#ifdef __i386__
592
        qerror("processor_facilities_used: not implemented!\n");
593
#else
594
        ret = (uint32_t)processor_facilities_used();
595
#endif
596
        break;
597
    default:
598
        gemu_log("qemu: Unsupported thread syscall: %d(0x%x)\n", num, num);
599
        gdb_handlesig (cpu_env, SIGTRAP);
600
        exit(0);
601
        break;
602
    }
603
    return ret;
604
}
605

    
606
/* ------------------------------------------------------------
607
   ioctl handling
608
*/
609
static inline void byteswap_termios(struct termios *t)
610
{
611
    tswap32s((uint32_t*)&t->c_iflag);
612
    tswap32s((uint32_t*)&t->c_oflag);
613
    tswap32s((uint32_t*)&t->c_cflag);
614
    tswap32s((uint32_t*)&t->c_lflag);
615
    /* 20 (char) bytes then */
616
    tswap32s((uint32_t*)&t->c_ispeed);
617
    tswap32s((uint32_t*)&t->c_ospeed);
618
}
619

    
620
static inline void byteswap_winsize(struct winsize *w)
621
{
622
    tswap16s(&w->ws_row);
623
    tswap16s(&w->ws_col);
624
    tswap16s(&w->ws_xpixel);
625
    tswap16s(&w->ws_ypixel);
626
}
627

    
628
#define STRUCT(name, ...) STRUCT_ ## name,
629
#define STRUCT_SPECIAL(name) STRUCT_ ## name,
630
enum {
631
#include "ioctls_types.h"
632
};
633
#undef STRUCT
634
#undef STRUCT_SPECIAL
635

    
636
#define STRUCT(name, ...) const argtype struct_ ## name ## _def[] = {  __VA_ARGS__, TYPE_NULL };
637
#define STRUCT_SPECIAL(name)
638
#include "ioctls_types.h"
639
#undef STRUCT
640
#undef STRUCT_SPECIAL
641

    
642
typedef struct IOCTLEntry {
643
    unsigned int target_cmd;
644
    unsigned int host_cmd;
645
    const char *name;
646
    int access;
647
    const argtype arg_type[5];
648
} IOCTLEntry;
649

    
650
#define IOC_R 0x0001
651
#define IOC_W 0x0002
652
#define IOC_RW (IOC_R | IOC_W)
653

    
654
#define MAX_STRUCT_SIZE 4096
655

    
656
static IOCTLEntry ioctl_entries[] = {
657
#define IOCTL(cmd, access,  ...)                        \
658
    { cmd, cmd, #cmd, access, {  __VA_ARGS__ } },
659
#include "ioctls.h"
660
    { 0, 0, },
661
};
662

    
663
/* ??? Implement proper locking for ioctls.  */
664
static long do_ioctl(long fd, long cmd, long arg)
665
{
666
    const IOCTLEntry *ie;
667
    const argtype *arg_type;
668
    int ret;
669
    uint8_t buf_temp[MAX_STRUCT_SIZE];
670
    int target_size;
671
    void *argptr;
672

    
673
    ie = ioctl_entries;
674
    for(;;) {
675
        if (ie->target_cmd == 0) {
676
            gemu_log("Unsupported ioctl: cmd=0x%04lx\n", cmd);
677
            return -ENOSYS;
678
        }
679
        if (ie->target_cmd == cmd)
680
            break;
681
        ie++;
682
    }
683
    arg_type = ie->arg_type;
684
#if defined(DEBUG)
685
    gemu_log("ioctl: cmd=0x%04lx (%s)\n", cmd, ie->name);
686
#endif
687
    switch(arg_type[0]) {
688
    case TYPE_NULL:
689
        /* no argument */
690
        ret = get_errno(ioctl(fd, ie->host_cmd));
691
        break;
692
    case TYPE_PTRVOID:
693
    case TYPE_INT:
694
        /* int argment */
695
        ret = get_errno(ioctl(fd, ie->host_cmd, arg));
696
        break;
697
    case TYPE_PTR:
698
        arg_type++;
699
        target_size = thunk_type_size(arg_type, 0);
700
        switch(ie->access) {
701
        case IOC_R:
702
            ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp));
703
            if (!is_error(ret)) {
704
                argptr = lock_user(arg, target_size, 0);
705
                thunk_convert(argptr, buf_temp, arg_type, THUNK_TARGET);
706
                unlock_user(argptr, arg, target_size);
707
            }
708
            break;
709
        case IOC_W:
710
            argptr = lock_user(arg, target_size, 1);
711
            thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST);
712
            unlock_user(argptr, arg, 0);
713
            ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp));
714
            break;
715
        default:
716
        case IOC_RW:
717
            argptr = lock_user(arg, target_size, 1);
718
            thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST);
719
            unlock_user(argptr, arg, 0);
720
            ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp));
721
            if (!is_error(ret)) {
722
                argptr = lock_user(arg, target_size, 0);
723
                thunk_convert(argptr, buf_temp, arg_type, THUNK_TARGET);
724
                unlock_user(argptr, arg, target_size);
725
            }
726
            break;
727
        }
728
        break;
729
    default:
730
        gemu_log("Unsupported ioctl type: cmd=0x%04lx type=%d\n", cmd, arg_type[0]);
731
        ret = -ENOSYS;
732
        break;
733
    }
734
    return ret;
735
}
736

    
737
/* ------------------------------------------------------------
738
   Unix syscall handling
739
*/
740

    
741
static inline void byteswap_attrlist(struct attrlist *a)
742
{
743
    tswap16s(&a->bitmapcount);
744
    tswap16s(&a->reserved);
745
    tswap32s(&a->commonattr);
746
    tswap32s(&a->volattr);
747
    tswap32s(&a->dirattr);
748
    tswap32s(&a->fileattr);
749
    tswap32s(&a->forkattr);
750
}
751

    
752
struct attrbuf_header {
753
    unsigned long length;
754
};
755

    
756
static inline void byteswap_attrbuf(struct attrbuf_header *attrbuf, struct attrlist *attrlist)
757
{
758
    DPRINTF("attrBuf.lenght %lx\n", attrbuf->length);
759
}
760

    
761
static inline void byteswap_statfs(struct statfs *s)
762
{
763
    tswap16s((uint16_t*)&s->f_otype);
764
    tswap16s((uint16_t*)&s->f_oflags);
765
    tswap32s((uint32_t*)&s->f_bsize);
766
    tswap32s((uint32_t*)&s->f_iosize);
767
    tswap32s((uint32_t*)&s->f_blocks);
768
    tswap32s((uint32_t*)&s->f_bfree);
769
    tswap32s((uint32_t*)&s->f_bavail);
770
    tswap32s((uint32_t*)&s->f_files);
771
    tswap32s((uint32_t*)&s->f_ffree);
772
    tswap32s((uint32_t*)&s->f_fsid.val[0]);
773
    tswap32s((uint32_t*)&s->f_fsid.val[1]);
774
    tswap16s((uint16_t*)&s->f_reserved1);
775
    tswap16s((uint16_t*)&s->f_type);
776
    tswap32s((uint32_t*)&s->f_flags);
777
}
778

    
779
static inline void byteswap_stat(struct stat *s)
780
{
781
    tswap32s((uint32_t*)&s->st_dev);
782
    tswap32s(&s->st_ino);
783
    tswap16s(&s->st_mode);
784
    tswap16s(&s->st_nlink);
785
    tswap32s(&s->st_uid);
786
    tswap32s(&s->st_gid);
787
    tswap32s((uint32_t*)&s->st_rdev);
788
    tswap32s((uint32_t*)&s->st_atimespec.tv_sec);
789
    tswap32s((uint32_t*)&s->st_atimespec.tv_nsec);
790
    tswap32s((uint32_t*)&s->st_mtimespec.tv_sec);
791
    tswap32s((uint32_t*)&s->st_mtimespec.tv_nsec);
792
    tswap32s((uint32_t*)&s->st_ctimespec.tv_sec);
793
    tswap32s((uint32_t*)&s->st_ctimespec.tv_nsec);
794
    tswap64s((uint64_t*)&s->st_size);
795
    tswap64s((uint64_t*)&s->st_blocks);
796
    tswap32s((uint32_t*)&s->st_blksize);
797
    tswap32s(&s->st_flags);
798
    tswap32s(&s->st_gen);
799
}
800

    
801
static inline void byteswap_dirents(struct dirent *d, int bytes)
802
{
803
    char *b;
804
    for( b = (char*)d; (int)b < (int)d+bytes; )
805
    {
806
        unsigned short s = ((struct dirent *)b)->d_reclen;
807
        tswap32s(&((struct dirent *)b)->d_ino);
808
        tswap16s(&((struct dirent *)b)->d_reclen);
809
        if(s<=0)
810
            break;
811
        b += s;
812
    }
813
}
814

    
815
static inline void byteswap_iovec(struct iovec *v, int n)
816
{
817
    int i;
818
    for(i = 0; i < n; i++)
819
    {
820
        tswap32s((uint32_t*)&v[i].iov_base);
821
        tswap32s((uint32_t*)&v[i].iov_len);
822
    }
823
}
824

    
825
static inline void byteswap_timeval(struct timeval *t)
826
{
827
    tswap32s((uint32_t*)&t->tv_sec);
828
    tswap32s((uint32_t*)&t->tv_usec);
829
}
830

    
831
long do_unix_syscall_indirect(void *cpu_env, int num);
832
long do_sync(void);
833
long do_exit(uint32_t arg1);
834
long do_getlogin(char *out, uint32_t size);
835
long do_open(char * arg1, uint32_t arg2, uint32_t arg3);
836
long do_getfsstat(struct statfs * arg1, uint32_t arg2, uint32_t arg3);
837
long do_sigprocmask(uint32_t arg1, uint32_t * arg2, uint32_t * arg3);
838
long do_execve(char* arg1, char ** arg2, char ** arg3);
839
long do_getgroups(uint32_t arg1, gid_t * arg2);
840
long do_gettimeofday(struct timeval * arg1, void * arg2);
841
long do_readv(uint32_t arg1, struct iovec * arg2, uint32_t arg3);
842
long do_writev(uint32_t arg1, struct iovec * arg2, uint32_t arg3);
843
long do_utimes(char * arg1, struct timeval * arg2);
844
long do_futimes(uint32_t arg1, struct timeval * arg2);
845
long do_statfs(char * arg1, struct statfs * arg2);
846
long do_fstatfs(uint32_t arg1, struct statfs * arg2);
847
long do_stat(char * arg1, struct stat * arg2);
848
long do_fstat(uint32_t arg1, struct stat * arg2);
849
long do_lstat(char * arg1, struct stat * arg2);
850
long do_getdirentries(uint32_t arg1, void* arg2, uint32_t arg3, void* arg4);
851
long do_lseek(void *cpu_env, int num);
852
long do___sysctl(int * name, uint32_t namelen, void * oldp, size_t * oldlenp, void * newp, size_t newlen  /* ignored */);
853
long do_getattrlist(void * arg1, void * arg2, void * arg3, uint32_t arg4, uint32_t arg5);
854
long do_getdirentriesattr(uint32_t arg1, void * arg2, void * arg3, size_t arg4, void * arg5, void * arg6, void* arg7, uint32_t arg8);
855
long do_fcntl(int fd, int cmd, int arg);
856

    
857
long no_syscall(void *cpu_env, int num);
858

    
859
long do_pread(uint32_t arg1, void * arg2, size_t arg3, off_t arg4)
860
{
861
    DPRINTF("0x%x, %p, 0x%lx, 0x%llx\n", arg1, arg2, arg3, arg4);
862
    long ret = pread(arg1, arg2, arg3, arg4);
863
    return ret;
864
}
865

    
866
long do_read(int d, void *buf, size_t nbytes)
867
{
868
    DPRINTF("0x%x, %p, 0x%lx\n", d, buf, nbytes);
869
    long ret = get_errno(read(d, buf, nbytes));
870
    if(!is_error(ret))
871
        DPRINTF("%x\n", *(uint32_t*)buf);
872
    return ret;
873
}
874

    
875
long unimpl_unix_syscall(void *cpu_env, int num);
876

    
877
typedef long (*syscall_function_t)(void *cpu_env, int num);
878

    
879

    
880
/* define a table that will handle the syscall number->function association */
881
#define VOID    void
882
#define INT     (uint32_t)get_int_arg(&i, cpu_env)
883
#define INT64   (uint64_t)get_int64_arg(&i, cpu_env)
884
#define UINT    (unsigned int)INT
885
#define PTR     (void*)INT
886

    
887
#define SIZE    INT
888
#define OFFSET  INT64
889

    
890
#define WRAPPER_CALL_DIRECT_0(function, args) long __qemu_##function(void *cpu_env) {  return (long)function(); }
891
#define WRAPPER_CALL_DIRECT_1(function, _arg1) long __qemu_##function(void *cpu_env) { int i = 0; typeof(_arg1) arg1 = _arg1;  return (long)function(arg1); }
892
#define WRAPPER_CALL_DIRECT_2(function, _arg1, _arg2) long __qemu_##function(void *cpu_env) { int i = 0;  typeof(_arg1) arg1 = _arg1; typeof(_arg2) arg2 = _arg2; return (long)function(arg1, arg2); }
893
#define WRAPPER_CALL_DIRECT_3(function, _arg1, _arg2, _arg3) long __qemu_##function(void *cpu_env) { int i = 0;   typeof(_arg1) arg1 = _arg1; typeof(_arg2) arg2 = _arg2; typeof(_arg3) arg3 = _arg3; return (long)function(arg1, arg2, arg3); }
894
#define WRAPPER_CALL_DIRECT_4(function, _arg1, _arg2, _arg3, _arg4) long __qemu_##function(void *cpu_env) { int i = 0;   typeof(_arg1) arg1 = _arg1; typeof(_arg2) arg2 = _arg2; typeof(_arg3) arg3 = _arg3; typeof(_arg4) arg4 = _arg4; return (long)function(arg1, arg2, arg3, arg4); }
895
#define WRAPPER_CALL_DIRECT_5(function, _arg1, _arg2, _arg3, _arg4, _arg5) long __qemu_##function(void *cpu_env) { int i = 0;   typeof(_arg1) arg1 = _arg1; typeof(_arg2) arg2 = _arg2; typeof(_arg3) arg3 = _arg3; typeof(_arg4) arg4 = _arg4; typeof(_arg5) arg5 = _arg5;  return (long)function(arg1, arg2, arg3, arg4, arg5); }
896
#define WRAPPER_CALL_DIRECT_6(function, _arg1, _arg2, _arg3, _arg4, _arg5, _arg6) long __qemu_##function(void *cpu_env) { int i = 0;   typeof(_arg1) arg1 = _arg1; typeof(_arg2) arg2 = _arg2; typeof(_arg3) arg3 = _arg3; typeof(_arg4) arg4 = _arg4; typeof(_arg5) arg5 = _arg5; typeof(_arg6) arg6 = _arg6;  return (long)function(arg1, arg2, arg3, arg4, arg5, arg6); }
897
#define WRAPPER_CALL_DIRECT_7(function, _arg1, _arg2, _arg3, _arg4, _arg5, _arg6, _arg7) long __qemu_##function(void *cpu_env) { int i = 0;   typeof(_arg1) arg1 = _arg1; typeof(_arg2) arg2 = _arg2; typeof(_arg3) arg3 = _arg3; typeof(_arg4) arg4 = _arg4; typeof(_arg5) arg5 = _arg5; typeof(_arg6) arg6 = _arg6; typeof(_arg7) arg7 = _arg7; return (long)function(arg1, arg2, arg3, arg4, arg5, arg6, arg7); }
898
#define WRAPPER_CALL_DIRECT_8(function, _arg1, _arg2, _arg3, _arg4, _arg5, _arg6, _arg7, _arg8) long __qemu_##function(void *cpu_env) { int i = 0;   typeof(_arg1) arg1 = _arg1; typeof(_arg2) arg2 = _arg2; typeof(_arg3) arg3 = _arg3; typeof(_arg4) arg4 = _arg4; typeof(_arg5) arg5 = _arg5; typeof(_arg6) arg6 = _arg6; typeof(_arg7) arg7 = _arg7; typeof(_arg8) arg8 = _arg8;  return (long)function(arg1, arg2, arg3, arg4, arg5, arg6, arg7, arg8); }
899
#define WRAPPER_CALL_DIRECT(function, nargs, ...) WRAPPER_CALL_DIRECT_##nargs(function, __VA_ARGS__)
900
#define WRAPPER_CALL_NOERRNO(function, nargs, ...)  WRAPPER_CALL_DIRECT(function, nargs, __VA_ARGS__)
901
#define WRAPPER_CALL_INDIRECT(function, nargs, ...)
902
#define ENTRY(name, number, function, nargs, call_type, ...)  WRAPPER_##call_type(function, nargs, __VA_ARGS__)
903

    
904
#include "syscalls.h"
905

    
906
#undef ENTRY
907
#undef WRAPPER_CALL_DIRECT
908
#undef WRAPPER_CALL_NOERRNO
909
#undef WRAPPER_CALL_INDIRECT
910
#undef OFFSET
911
#undef SIZE
912
#undef INT
913
#undef PTR
914
#undef INT64
915

    
916
#define _ENTRY(name, number, function, nargs, call_type) [number] = {\
917
        name, \
918
        number, \
919
        (syscall_function_t)function, \
920
        nargs, \
921
        call_type  \
922
        },
923

    
924
#define ENTRY_CALL_DIRECT(name, number, function, nargs, call_type)  _ENTRY(name, number, __qemu_##function, nargs, call_type)
925
#define ENTRY_CALL_NOERRNO(name, number, function, nargs, call_type) ENTRY_CALL_DIRECT(name, number, function, nargs, call_type)
926
#define ENTRY_CALL_INDIRECT(name, number, function, nargs, call_type) _ENTRY(name, number, function, nargs, call_type)
927
#define ENTRY(name, number, function, nargs, call_type, ...) ENTRY_##call_type(name, number, function, nargs, call_type)
928

    
929
#define CALL_DIRECT 1
930
#define CALL_INDIRECT 2
931
#define CALL_NOERRNO  (CALL_DIRECT | 4 /* = 5 */)
932

    
933
struct unix_syscall {
934
    char * name;
935
    int number;
936
    syscall_function_t function;
937
    int nargs;
938
    int call_type;
939
} unix_syscall_table[SYS_MAXSYSCALL] = {
940
#include "syscalls.h"
941
};
942

    
943
#undef ENTRY
944
#undef _ENTRY
945
#undef ENTRY_CALL_DIRECT
946
#undef ENTRY_CALL_INDIRECT
947
#undef ENTRY_CALL_NOERRNO
948

    
949
/* Actual syscalls implementation */
950

    
951
long do_unix_syscall_indirect(void *cpu_env, int num)
952
{
953
    long ret;
954
    int new_num;
955
    int i = 0;
956

    
957
    new_num = get_int_arg(&i, cpu_env);
958
#ifdef TARGET_I386
959
    ((CPUX86State*)cpu_env)->regs[R_ESP] += 4;
960
    /* XXX: not necessary */
961
    ((CPUX86State*)cpu_env)->regs[R_EAX] = new_num;
962
#elif TARGET_PPC
963
    {
964
        int i;
965
        uint32_t **regs = ((CPUPPCState*)cpu_env)->gpr;
966
        for(i = 3; i < 11; i++)
967
            *regs[i] = *regs[i+1];
968
        /* XXX: not necessary */
969
        *regs[0] = new_num;
970
    }
971
#endif
972
    ret = do_unix_syscall(cpu_env, new_num);
973
#ifdef TARGET_I386
974
    ((CPUX86State*)cpu_env)->regs[R_ESP] -= 4;
975
    /* XXX: not necessary */
976
    ((CPUX86State*)cpu_env)->regs[R_EAX] = num;
977
#elif TARGET_PPC
978
    {
979
        int i;
980
        /* XXX: not really needed those regs are volatile accross calls */
981
        uint32_t **regs = ((CPUPPCState*)cpu_env)->gpr;
982
        for(i = 11; i > 3; i--)
983
            *regs[i] = *regs[i-1];
984
        regs[3] = new_num;
985
        *regs[0] = num;
986
    }
987
#endif
988
    return ret;
989
}
990

    
991
long do_exit(uint32_t arg1)
992
{
993
    exit(arg1);
994
    /* not reached */
995
    return -1;
996
}
997

    
998
long do_sync(void)
999
{
1000
    sync();
1001
    return 0;
1002
}
1003

    
1004
long do_getlogin(char *out, uint32_t size)
1005
{
1006
    char *login = getlogin();
1007
    if(!login)
1008
        return -1;
1009
    memcpy(out, login, size);
1010
    return 0;
1011
}
1012
long do_open(char * arg1, uint32_t arg2, uint32_t arg3)
1013
{
1014
    /* XXX: don't let the %s stay in there */
1015
    DPRINTF("open(%s, 0x%x, 0x%x)\n", arg1, arg2, arg3);
1016
    return get_errno(open(arg1, arg2, arg3));
1017
}
1018

    
1019
long do_getfsstat(struct statfs * arg1, uint32_t arg2, uint32_t arg3)
1020
{
1021
    long ret;
1022
    DPRINTF("getfsstat(%p, 0x%x, 0x%x)\n", arg1, arg2, arg3);
1023
    ret = get_errno(getfsstat(arg1, arg2, arg3));
1024
    if((!is_error(ret)) && arg1)
1025
        byteswap_statfs(arg1);
1026
    return ret;
1027
}
1028

    
1029
long do_sigprocmask(uint32_t arg1, uint32_t * arg2, uint32_t * arg3)
1030
{
1031
    long ret;
1032
    DPRINTF("sigprocmask(%d, %p, %p)\n", arg1, arg2, arg3);
1033
    gemu_log("XXX: sigprocmask not tested (%d, %p, %p)\n", arg1, arg2, arg3);
1034
    if(arg2)
1035
        tswap32s(arg2);
1036
    ret = get_errno(sigprocmask(arg1, (void *)arg2, (void *)arg3));
1037
    if((!is_error(ret)) && arg3)
1038
        tswap32s(arg3);
1039
    if(arg2)
1040
        tswap32s(arg2);
1041
    return ret;
1042
}
1043

    
1044
long do_execve(char* arg1, char ** arg2, char ** arg3)
1045
{
1046
    long ret;
1047
    char **argv = arg2;
1048
    char **envp = arg3;
1049
    int argc;
1050
    int envc;
1051

    
1052
    /* XXX: don't let the %s stay in here */
1053
    DPRINTF("execve(%s, %p, %p)\n", arg1, arg2, arg3);
1054

    
1055
    for(argc = 0; argv[argc]; argc++);
1056
    for(envc = 0; envp[envc]; envc++);
1057

    
1058
    argv = (char**)malloc(sizeof(char*)*argc);
1059
    envp = (char**)malloc(sizeof(char*)*envc);
1060

    
1061
    for(; argc >= 0; argc--)
1062
        argv[argc] = (char*)tswap32((uint32_t)(arg2)[argc]);
1063

    
1064
    for(; envc >= 0; envc--)
1065
        envp[envc] = (char*)tswap32((uint32_t)(arg3)[envc]);
1066

    
1067
    ret = get_errno(execve(arg1, argv, envp));
1068
    free(argv);
1069
    free(envp);
1070
    return ret;
1071
}
1072

    
1073
long do_getgroups(uint32_t arg1, gid_t * arg2)
1074
{
1075
    long ret;
1076
    int i;
1077
    DPRINTF("getgroups(0x%x, %p)\n", arg1, arg2);
1078
    ret = get_errno(getgroups(arg1, arg2));
1079
    if(ret > 0)
1080
        for(i = 0; i < arg1; i++)
1081
            tswap32s(&arg2[i]);
1082
    return ret;
1083
}
1084

    
1085
long do_gettimeofday(struct timeval * arg1, void * arg2)
1086
{
1087
    long ret;
1088
    DPRINTF("gettimeofday(%p, %p)\n",
1089
            arg1, arg2);
1090
    ret = get_errno(gettimeofday(arg1, arg2));
1091
    if(!is_error(ret))
1092
    {
1093
        /* timezone no longer used according to the manpage, so don't bother with it */
1094
        byteswap_timeval(arg1);
1095
    }
1096
    return ret;
1097
}
1098

    
1099
long do_readv(uint32_t arg1, struct iovec * arg2, uint32_t arg3)
1100
{
1101
    long ret;
1102
    DPRINTF("readv(0x%x, %p, 0x%x)\n", arg1, arg2, arg3);
1103
    if(arg2)
1104
        byteswap_iovec(arg2, arg3);
1105
    ret = get_errno(readv(arg1, arg2, arg3));
1106
    if((!is_error(ret)) && arg2)
1107
        byteswap_iovec(arg2, arg3);
1108
    return ret;
1109
}
1110

    
1111
long do_writev(uint32_t arg1, struct iovec * arg2, uint32_t arg3)
1112
{
1113
    long ret;
1114
    DPRINTF("writev(0x%x, %p, 0x%x)\n", arg1, arg2, arg3);
1115
    if(arg2)
1116
        byteswap_iovec(arg2, arg3);
1117
    ret = get_errno(writev(arg1, arg2, arg3));
1118
    if((!is_error(ret)) && arg2)
1119
        byteswap_iovec(arg2, arg3);
1120
    return ret;
1121
}
1122

    
1123
long do_utimes(char * arg1, struct timeval * arg2)
1124
{
1125
    DPRINTF("utimes(%p, %p)\n", arg1, arg2);
1126
    if(arg2)
1127
    {
1128
        byteswap_timeval(arg2);
1129
        byteswap_timeval(arg2+1);
1130
    }
1131
    return get_errno(utimes(arg1, arg2));
1132
}
1133

    
1134
long do_futimes(uint32_t arg1, struct timeval * arg2)
1135
{
1136
    DPRINTF("futimes(0x%x, %p)\n", arg1, arg2);
1137
    if(arg2)
1138
    {
1139
        byteswap_timeval(arg2);
1140
        byteswap_timeval(arg2+1);
1141
    }
1142
    return get_errno(futimes(arg1, arg2));
1143
}
1144

    
1145
long do_statfs(char * arg1, struct statfs * arg2)
1146
{
1147
    long ret;
1148
    DPRINTF("statfs(%p, %p)\n", arg1, arg2);
1149
    ret = get_errno(statfs(arg1, arg2));
1150
    if(!is_error(ret))
1151
        byteswap_statfs(arg2);
1152
    return ret;
1153
}
1154

    
1155
long do_fstatfs(uint32_t arg1, struct statfs* arg2)
1156
{
1157
    long ret;
1158
    DPRINTF("fstatfs(0x%x, %p)\n",
1159
            arg1, arg2);
1160
    ret = get_errno(fstatfs(arg1, arg2));
1161
    if(!is_error(ret))
1162
        byteswap_statfs(arg2);
1163

    
1164
    return ret;
1165
}
1166

    
1167
long do_stat(char * arg1, struct stat * arg2)
1168
{
1169
    long ret;
1170
    /* XXX: don't let the %s stay in there */
1171
    DPRINTF("stat(%s, %p)\n", arg1, arg2);
1172
    ret = get_errno(stat(arg1, arg2));
1173
    if(!is_error(ret))
1174
        byteswap_stat(arg2);
1175
    return ret;
1176
}
1177

    
1178
long do_fstat(uint32_t arg1, struct stat * arg2)
1179
{
1180
    long ret;
1181
    DPRINTF("fstat(0x%x, %p)\n", arg1, arg2);
1182
    ret = get_errno(fstat(arg1, arg2));
1183
    if(!is_error(ret))
1184
        byteswap_stat(arg2);
1185
    return ret;
1186
}
1187

    
1188
long do_lstat(char * arg1, struct stat * arg2)
1189
{
1190
    long ret;
1191
    /* XXX: don't let the %s stay in there */
1192
    DPRINTF("lstat(%s, %p)\n", (const char *)arg1, arg2);
1193
    ret = get_errno(lstat(arg1, arg2));
1194
    if(!is_error(ret))
1195
        byteswap_stat(arg2);
1196
    return ret;
1197
}
1198

    
1199
long do_getdirentries(uint32_t arg1, void* arg2, uint32_t arg3, void* arg4)
1200
{
1201
    long ret;
1202
    DPRINTF("getdirentries(0x%x, %p, 0x%x, %p)\n", arg1, arg2, arg3, arg4);
1203
    if(arg4)
1204
        tswap32s((uint32_t *)arg4);
1205
    ret = get_errno(getdirentries(arg1, arg2, arg3, arg4));
1206
    if(arg4)
1207
        tswap32s((uint32_t *)arg4);
1208
    if(!is_error(ret))
1209
        byteswap_dirents(arg2, ret);
1210
    return ret;
1211
}
1212

    
1213
long do_lseek(void *cpu_env, int num)
1214
{
1215
    long ret;
1216
    int i = 0;
1217
    uint32_t arg1 = get_int_arg(&i, cpu_env);
1218
    uint64_t offset = get_int64_arg(&i, cpu_env);
1219
    uint32_t arg3 = get_int_arg(&i, cpu_env);
1220
    uint64_t r = lseek(arg1, offset, arg3);
1221
#ifdef TARGET_I386
1222
    /* lowest word in eax, highest in edx */
1223
    ret = r & 0xffffffff; /* will be set to eax after do_unix_syscall exit */
1224
    ((CPUX86State *)cpu_env)->regs[R_EDX] = (uint32_t)((r >> 32) & 0xffffffff) ;
1225
#elif defined TARGET_PPC
1226
    ret = r & 0xffffffff; /* will be set to r3 after do_unix_syscall exit */
1227
    ((CPUPPCState *)cpu_env)->gpr[4] = (uint32_t)((r >> 32) & 0xffffffff) ;
1228
#else
1229
    qerror("64 bit ret value on your arch?");
1230
#endif
1231
    return get_errno(ret);
1232
}
1233

    
1234
void no_swap(void * oldp, int size)
1235
{
1236
}
1237

    
1238
void sysctl_tswap32s(void * oldp, int size)
1239
{
1240
    tswap32s(oldp);
1241
}
1242

    
1243
void bswap_oid(uint32_t * oldp, int size)
1244
{
1245
    int count = size / sizeof(int);
1246
    int i = 0;
1247
    do { tswap32s(oldp + i); } while (++i < count);
1248
}
1249

    
1250
void sysctl_usrstack(uint32_t * oldp, int size)
1251
{
1252
    DPRINTF("sysctl_usrstack: 0x%x\n", *oldp);
1253
    tswap32s(oldp);
1254
}
1255

    
1256
void sysctl_ncpu(uint32_t * ncpu, int size)
1257
{
1258
    *ncpu = 0x1;
1259
    DPRINTF("sysctl_ncpu: 0x%x\n", *ncpu);
1260
    tswap32s(ncpu);
1261
}
1262

    
1263
void sysctl_exec(char * exec, int size)
1264
{
1265
    DPRINTF("sysctl_exec: %s\n", exec);
1266
}
1267

    
1268
void sysctl_translate(char * exec, int size)
1269
{
1270
    DPRINTF("sysctl_translate: %s\n", exec);
1271
}
1272

    
1273
struct sysctl_dir {
1274
    int num;
1275
    const char * name;
1276
    void (*swap_func)(void *, int);
1277
    struct sysctl_dir *childs;
1278
};
1279

    
1280
#define ENTRYD(num, name, childs) { num, name, NULL, childs }
1281
#define ENTRYE(num, name, func)   { num, name, (void (*)(void *, int))func, NULL  }
1282
struct sysctl_dir sysctls_unspec[] = {
1283
    ENTRYE(3,  "oip", bswap_oid),
1284
    { 0, NULL, NULL, NULL }
1285
};
1286

    
1287
struct sysctl_dir sysctls_kern[] = {
1288
    ENTRYE(KERN_TRANSLATE,          "translate",    sysctl_translate), /* 44 */
1289
    ENTRYE(KERN_EXEC,               "exec",         sysctl_exec), /* 45 */
1290
    ENTRYE(KERN_USRSTACK32,          "KERN_USRSTACK32", sysctl_usrstack), /* 35 */
1291
    ENTRYE(KERN_SHREG_PRIVATIZABLE,  "KERN_SHREG_PRIVATIZABLE", sysctl_tswap32s), /* 54 */
1292
    { 0, NULL, NULL, NULL }
1293
};
1294

    
1295
struct sysctl_dir sysctls_hw[] = {
1296
    ENTRYE(HW_NCPU, "ncpud", sysctl_tswap32s),
1297
    ENTRYE(104, "104", no_swap),
1298
    ENTRYE(105, "105", no_swap),
1299
    { 0, NULL, NULL, NULL }
1300
};
1301

    
1302
struct sysctl_dir sysctls[] = {
1303
    ENTRYD(CTL_UNSPEC, "unspec", sysctls_unspec),
1304
    ENTRYD(CTL_KERN, "kern", sysctls_kern),
1305
    ENTRYD(CTL_HW,   "hw",   sysctls_hw ),
1306
    { 0, NULL, NULL, NULL }
1307
};
1308

    
1309
#undef ENTRYE
1310
#undef ENTRYD
1311

    
1312
static inline struct sysctl_dir * get_sysctl_entry_for_mib(int mib, struct sysctl_dir * sysctl_elmt)
1313
{
1314
    if(!sysctl_elmt)
1315
        return NULL;
1316
    for(; sysctl_elmt->name != NULL ; sysctl_elmt++) {
1317
        if(sysctl_elmt->num == mib)
1318
            return sysctl_elmt;
1319
    }
1320
    return NULL;
1321
}
1322

    
1323
static inline long bswap_syctl(int * mib, int count, void *buf, int size)
1324
{
1325
    int i;
1326
    struct sysctl_dir * sysctl = sysctls;
1327
    struct sysctl_dir * ret = NULL;
1328

    
1329
    for(i = 0; i < count; i++) {
1330

    
1331
        if(!(ret = sysctl = get_sysctl_entry_for_mib(mib[i], sysctl))) {
1332
            gemu_log("bswap_syctl: can't find mib %d\n", mib[i]);
1333
            return -ENOTDIR;
1334
        }
1335
        if(!(sysctl = sysctl->childs))
1336
            break;
1337
    }
1338

    
1339
    if(ret->childs)
1340
        qerror("we shouldn't have a directory element\n");
1341

    
1342
    ret->swap_func(buf, size);
1343
    return 0;
1344
}
1345

    
1346
static inline void print_syctl(int * mib, int count)
1347
{
1348
    int i;
1349
    struct sysctl_dir * sysctl = sysctls;
1350
    struct sysctl_dir * ret = NULL;
1351

    
1352
    for(i = 0; i < count; i++) {
1353
        if(!(ret = sysctl = get_sysctl_entry_for_mib(mib[i], sysctl))){
1354
            gemu_log("print_syctl: can't find mib %d\n", mib[i]);
1355
            return;
1356
        }
1357
        DPRINTF("%s.", sysctl->name);
1358
        if(!(sysctl = sysctl->childs))
1359
            break;
1360
    }
1361
    DPRINTF("\n");
1362
}
1363

    
1364
long do___sysctl(int * name, uint32_t namelen, void * oldp, size_t * oldlenp, void * newp, size_t newlen  /* ignored */)
1365
{
1366
    long ret = 0;
1367
    int i;
1368
    DPRINTF("sysctl(%p, 0x%x, %p, %p, %p, 0x%lx)\n",
1369
            name, namelen, oldp, oldlenp, newp, newlen);
1370
    if(name) {
1371
        i = 0;
1372
        do { tswap32s( name + i); } while (++i < namelen);
1373
        print_syctl(name, namelen);
1374
        //bswap_syctl(name, namelen, newp, newlen);
1375
        tswap32s((uint32_t*)oldlenp);
1376
    }
1377

    
1378
    if(name) /* Sometimes sysctl is called with no arg1, ignore */
1379
        ret = get_errno(sysctl(name, namelen, oldp, oldlenp, newp, newlen));
1380

    
1381
#if defined(TARGET_I386) ^ defined(__i386__) || defined(TARGET_PPC) ^ defined(__ppc__)
1382
    if (!is_error(ret) && bswap_syctl(name, namelen, oldp, *oldlenp) != 0) {
1383
        return -ENOTDIR;
1384
    }
1385
#endif
1386

    
1387
    if(name) {
1388
        //bswap_syctl(name, namelen, newp, newlen);
1389
        tswap32s((uint32_t*)oldlenp);
1390

    
1391
        i = 0;
1392
        do { tswap32s( name + i); } while (++i < namelen);
1393
    }
1394
    return ret;
1395
}
1396

    
1397
long do_getattrlist(void * arg1, void * arg2, void * arg3, uint32_t arg4, uint32_t arg5)
1398
{
1399
    struct attrlist * attrlist = (void *)arg2;
1400
    long ret;
1401

    
1402
#if defined(TARGET_I386) ^ defined(__i386__) || defined(TARGET_PPC) ^ defined(__ppc__)
1403
    gemu_log("SYS_getdirentriesattr unimplemented\n");
1404
    return -ENOTSUP;
1405
#endif
1406
    /* XXX: don't let the %s stay in there */
1407
    DPRINTF("getattrlist(%s, %p, %p, 0x%x, 0x%x)\n",
1408
            (char *)arg1, arg2, arg3, arg4, arg5);
1409

    
1410
    if(arg2) /* XXX: We should handle that in a copy especially
1411
        if the structure is not writable */
1412
        byteswap_attrlist(attrlist);
1413

    
1414
    ret = get_errno(getattrlist((const char* )arg1, attrlist, (void *)arg3, arg4, arg5));
1415

    
1416
    if(!is_error(ret))
1417
    {
1418
        byteswap_attrbuf((void *)arg3, attrlist);
1419
        byteswap_attrlist(attrlist);
1420
    }
1421
    return ret;
1422
}
1423

    
1424
long do_getdirentriesattr(uint32_t arg1, void * arg2, void * arg3, size_t arg4, void * arg5, void * arg6, void* arg7, uint32_t arg8)
1425
{
1426
    DPRINTF("getdirentriesattr(0x%x, %p, %p, 0x%lx, %p, %p, %p, 0x%x)\n",
1427
            arg1, arg2, arg3, arg4, arg5, arg6, arg7, arg8);
1428
#if defined(TARGET_I386) ^ defined(__i386__) || defined(TARGET_PPC) ^ defined(__ppc__)
1429
    qerror("SYS_getdirentriesattr unimplemented\n");
1430
#endif
1431

    
1432
    return get_errno(getdirentriesattr( arg1, (struct attrlist * )arg2, (void *)arg3, arg4,
1433
                                       (unsigned long *)arg5, (unsigned long *)arg6,
1434
                                       (unsigned long *)arg7, arg8));
1435
}
1436

    
1437
static inline void bswap_flock(struct flock *f)
1438
{
1439
    tswap64s(&f->l_start);
1440
    tswap64s(&f->l_len);
1441
    tswap32s(&f->l_pid);
1442
    tswap16s(&f->l_type);
1443
    tswap16s(&f->l_whence);
1444
}
1445

    
1446
static inline void bswap_fstore(struct fstore *f)
1447
{
1448
    tswap32s(&f->fst_flags);
1449
    tswap32s(&f->fst_posmode);
1450
    tswap64s(&f->fst_offset);
1451
    tswap64s(&f->fst_length);
1452
    tswap64s(&f->fst_bytesalloc);
1453
}
1454

    
1455
static inline void bswap_radvisory(struct radvisory *f)
1456
{
1457
    tswap64s(&f->ra_offset);
1458
    tswap32s(&f->ra_count);
1459
}
1460

    
1461
static inline void bswap_fbootstraptransfer(struct fbootstraptransfer *f)
1462
{
1463
    tswap64s(&f->fbt_offset);
1464
    tswap32s((uint32_t*)&f->fbt_length);
1465
    tswap32s((uint32_t*)&f->fbt_buffer); /* XXX: this is a ptr */
1466
}
1467

    
1468
static inline void bswap_log2phys(struct log2phys *f)
1469
{
1470
    tswap32s(&f->l2p_flags);
1471
    tswap64s(&f->l2p_contigbytes);
1472
    tswap64s(&f->l2p_devoffset);
1473
}
1474

    
1475
static inline void bswap_fcntl_arg(int cmd, void * arg)
1476
{
1477
    switch(cmd)
1478
    {
1479
        case F_DUPFD:
1480
        case F_GETFD:
1481
        case F_SETFD:
1482
        case F_GETFL:
1483
        case F_SETFL:
1484
        case F_GETOWN:
1485
        case F_SETOWN:
1486
        case F_SETSIZE:
1487
        case F_RDAHEAD:
1488
        case F_FULLFSYNC:
1489
            break;
1490
        case F_GETLK:
1491
        case F_SETLK:
1492
        case F_SETLKW:
1493
            bswap_flock(arg);
1494
            break;
1495
        case F_PREALLOCATE:
1496
            bswap_fstore(arg);
1497
            break;
1498
        case F_RDADVISE:
1499
            bswap_radvisory(arg);
1500
            break;
1501
        case F_READBOOTSTRAP:
1502
        case F_WRITEBOOTSTRAP:
1503
            bswap_fbootstraptransfer(arg);
1504
            break;
1505
        case F_LOG2PHYS:
1506
            bswap_log2phys(arg);
1507
            break;
1508
        default:
1509
            gemu_log("unknow cmd in fcntl\n");
1510
    }
1511
}
1512

    
1513
long do_fcntl(int fd, int cmd, int arg)
1514
{
1515
    long ret;
1516
    bswap_fcntl_arg(cmd, (void *)arg);
1517
    ret = get_errno(fcntl(fd, cmd, arg));
1518
    if(!is_error(ret))
1519
        bswap_fcntl_arg(cmd, (void *)arg);
1520
    return ret;
1521
}
1522

    
1523
long no_syscall(void *cpu_env, int num)
1524
{
1525
    /* XXX: We should probably fordward it to the host kernel */
1526
    qerror("no unix syscall %d\n", num);
1527
    /* not reached */
1528
    return -1;
1529
}
1530

    
1531
long unimpl_unix_syscall(void *cpu_env, int num)
1532
{
1533
    if( (num < 0) || (num > SYS_MAXSYSCALL-1) )
1534
        qerror("unix syscall %d is out of unix syscall bounds (0-%d) " , num, SYS_MAXSYSCALL-1);
1535

    
1536
    gemu_log("qemu: Unsupported unix syscall %s %d\n", unix_syscall_table[num].name , num);
1537
    gdb_handlesig (cpu_env, SIGTRAP);
1538
    exit(-1);
1539
}
1540

    
1541
long do_unix_syscall(void *cpu_env, int num)
1542
{
1543
    long ret = 0;
1544

    
1545
    DPRINTF("unix syscall %d: " , num);
1546

    
1547
    if( (num < 0) || (num > SYS_MAXSYSCALL-1) )
1548
        qerror("unix syscall %d is out of unix syscall bounds (0-%d) " , num, SYS_MAXSYSCALL-1);
1549

    
1550
    DPRINTF("%s [%s]", unix_syscall_table[num].name, unix_syscall_table[num].call_type & CALL_DIRECT ? "direct" : "indirect" );
1551
    ret = unix_syscall_table[num].function(cpu_env, num);
1552

    
1553
    if(!(unix_syscall_table[num].call_type & CALL_NOERRNO))
1554
        ret = get_errno(ret);
1555

    
1556
    DPRINTF("[returned 0x%x(%d)]\n", (int)ret, (int)ret);
1557
    return ret;
1558
}
1559

    
1560
/* ------------------------------------------------------------
1561
   syscall_init
1562
*/
1563
void syscall_init(void)
1564
{
1565
    /* Nothing yet */
1566
}