Revision 1fddef4b linux-user/main.c
| b/linux-user/main.c | ||
|---|---|---|
| 278 | 278 |
case EXCP_INTERRUPT: |
| 279 | 279 |
/* just indicate that signals should be handled asap */ |
| 280 | 280 |
break; |
| 281 |
case EXCP_DEBUG: |
|
| 282 |
{
|
|
| 283 |
int sig; |
|
| 284 |
|
|
| 285 |
sig = gdb_handlesig (env, TARGET_SIGTRAP); |
|
| 286 |
if (sig) |
|
| 287 |
{
|
|
| 288 |
info.si_signo = sig; |
|
| 289 |
info.si_errno = 0; |
|
| 290 |
info.si_code = TARGET_TRAP_BRKPT; |
|
| 291 |
queue_signal(info.si_signo, &info); |
|
| 292 |
} |
|
| 293 |
} |
|
| 294 |
break; |
|
| 281 | 295 |
default: |
| 282 | 296 |
pc = env->segs[R_CS].base + env->eip; |
| 283 | 297 |
fprintf(stderr, "qemu: 0x%08lx: unhandled CPU exception 0x%x - aborting\n", |
| ... | ... | |
| 379 | 393 |
queue_signal(info.si_signo, &info); |
| 380 | 394 |
} |
| 381 | 395 |
break; |
| 396 |
case EXCP_DEBUG: |
|
| 397 |
{
|
|
| 398 |
int sig; |
|
| 399 |
|
|
| 400 |
sig = gdb_handlesig (env, TARGET_SIGTRAP); |
|
| 401 |
if (sig) |
|
| 402 |
{
|
|
| 403 |
info.si_signo = sig; |
|
| 404 |
info.si_errno = 0; |
|
| 405 |
info.si_code = TARGET_TRAP_BRKPT; |
|
| 406 |
queue_signal(info.si_signo, &info); |
|
| 407 |
} |
|
| 408 |
} |
|
| 409 |
break; |
|
| 382 | 410 |
default: |
| 383 | 411 |
error: |
| 384 | 412 |
fprintf(stderr, "qemu: unhandled CPU exception 0x%x - aborting\n", |
| ... | ... | |
| 529 | 557 |
break; |
| 530 | 558 |
case 0x100: // XXX, why do we get these? |
| 531 | 559 |
break; |
| 560 |
case EXCP_DEBUG: |
|
| 561 |
{
|
|
| 562 |
int sig; |
|
| 563 |
|
|
| 564 |
sig = gdb_handlesig (env, TARGET_SIGTRAP); |
|
| 565 |
if (sig) |
|
| 566 |
{
|
|
| 567 |
info.si_signo = sig; |
|
| 568 |
info.si_errno = 0; |
|
| 569 |
info.si_code = TARGET_TRAP_BRKPT; |
|
| 570 |
queue_signal(info.si_signo, &info); |
|
| 571 |
} |
|
| 572 |
} |
|
| 573 |
break; |
|
| 532 | 574 |
default: |
| 533 | 575 |
printf ("Unhandled trap: 0x%x\n", trapnr);
|
| 534 | 576 |
cpu_dump_state(env, stderr, fprintf, 0); |
| ... | ... | |
| 911 | 953 |
case EXCP_INTERRUPT: |
| 912 | 954 |
/* Don't know why this should ever happen... */ |
| 913 | 955 |
break; |
| 914 |
case EXCP_DEBUG: |
|
| 915 |
break; |
|
| 956 |
case EXCP_DEBUG: |
|
| 957 |
{
|
|
| 958 |
int sig; |
|
| 959 |
|
|
| 960 |
sig = gdb_handlesig (env, TARGET_SIGTRAP); |
|
| 961 |
if (sig) |
|
| 962 |
{
|
|
| 963 |
info.si_signo = sig; |
|
| 964 |
info.si_errno = 0; |
|
| 965 |
info.si_code = TARGET_TRAP_BRKPT; |
|
| 966 |
queue_signal(info.si_signo, &info); |
|
| 967 |
} |
|
| 968 |
} |
|
| 969 |
break; |
|
| 916 | 970 |
default: |
| 917 | 971 |
fprintf(stderr, "qemu: unhandled CPU exception 0x%x - aborting\n", |
| 918 | 972 |
trapnr); |
| ... | ... | |
| 930 | 984 |
void usage(void) |
| 931 | 985 |
{
|
| 932 | 986 |
printf("qemu-" TARGET_ARCH " version " QEMU_VERSION ", Copyright (c) 2003-2004 Fabrice Bellard\n"
|
| 933 |
"usage: qemu-" TARGET_ARCH " [-h] [-d opts] [-L path] [-s size] program [arguments...]\n" |
|
| 987 |
"usage: qemu-" TARGET_ARCH " [-h] [-g] [-d opts] [-L path] [-s size] program [arguments...]\n"
|
|
| 934 | 988 |
"Linux CPU emulator (compiled for %s emulation)\n" |
| 935 | 989 |
"\n" |
| 936 | 990 |
"-h print this help\n" |
| 991 |
"-g wait gdb connection to port %d\n" |
|
| 937 | 992 |
"-L path set the elf interpreter prefix (default=%s)\n" |
| 938 | 993 |
"-s size set the stack size in bytes (default=%ld)\n" |
| 939 | 994 |
"\n" |
| ... | ... | |
| 944 | 999 |
"-d options activate log (logfile=%s)\n" |
| 945 | 1000 |
"-p pagesize set the host page size to 'pagesize'\n", |
| 946 | 1001 |
TARGET_ARCH, |
| 1002 |
DEFAULT_GDBSTUB_PORT, |
|
| 947 | 1003 |
interp_prefix, |
| 948 | 1004 |
x86_stack_size, |
| 949 | 1005 |
DEBUG_LOGFILE); |
| ... | ... | |
| 967 | 1023 |
CPUState *env; |
| 968 | 1024 |
int optind; |
| 969 | 1025 |
const char *r; |
| 1026 |
int use_gdbstub = 0; |
|
| 970 | 1027 |
|
| 971 | 1028 |
if (argc <= 1) |
| 972 | 1029 |
usage(); |
| ... | ... | |
| 1020 | 1077 |
fprintf(stderr, "page size must be a power of two\n"); |
| 1021 | 1078 |
exit(1); |
| 1022 | 1079 |
} |
| 1080 |
} else if (!strcmp(r, "g")) {
|
|
| 1081 |
use_gdbstub = 1; |
|
| 1023 | 1082 |
} else |
| 1024 | 1083 |
#ifdef USE_CODE_COPY |
| 1025 | 1084 |
if (!strcmp(r, "no-code-copy")) {
|
| ... | ... | |
| 1176 | 1235 |
#error unsupported target CPU |
| 1177 | 1236 |
#endif |
| 1178 | 1237 |
|
| 1238 |
if (use_gdbstub) {
|
|
| 1239 |
gdbserver_start (DEFAULT_GDBSTUB_PORT); |
|
| 1240 |
gdb_handlesig(env, 0); |
|
| 1241 |
} |
|
| 1179 | 1242 |
cpu_loop(env); |
| 1180 | 1243 |
/* never exits */ |
| 1181 | 1244 |
return 0; |
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