Revision 7d8cec95
| b/linux-user/main.c | ||
|---|---|---|
| 2215 | 2215 |
"-drop-ld-preload drop LD_PRELOAD for target process\n" |
| 2216 | 2216 |
"-E var=value sets/modifies targets environment variable(s)\n" |
| 2217 | 2217 |
"-U var unsets targets environment variable(s)\n" |
| 2218 |
"-0 argv0 forces target process argv[0] to be argv0\n" |
|
| 2218 | 2219 |
"\n" |
| 2219 | 2220 |
"Debug options:\n" |
| 2220 | 2221 |
"-d options activate log (logfile=%s)\n" |
| ... | ... | |
| 2266 | 2267 |
const char *r; |
| 2267 | 2268 |
int gdbstub_port = 0; |
| 2268 | 2269 |
char **target_environ, **wrk; |
| 2270 |
char **target_argv; |
|
| 2271 |
int target_argc; |
|
| 2269 | 2272 |
envlist_t *envlist = NULL; |
| 2273 |
const char *argv0 = NULL; |
|
| 2274 |
int i; |
|
| 2270 | 2275 |
|
| 2271 | 2276 |
if (argc <= 1) |
| 2272 | 2277 |
usage(); |
| ... | ... | |
| 2323 | 2328 |
r = argv[optind++]; |
| 2324 | 2329 |
if (envlist_unsetenv(envlist, r) != 0) |
| 2325 | 2330 |
usage(); |
| 2331 |
} else if (!strcmp(r, "0")) {
|
|
| 2332 |
r = argv[optind++]; |
|
| 2333 |
argv0 = r; |
|
| 2326 | 2334 |
} else if (!strcmp(r, "s")) {
|
| 2327 | 2335 |
if (optind >= argc) |
| 2328 | 2336 |
break; |
| ... | ... | |
| 2435 | 2443 |
target_environ = envlist_to_environ(envlist, NULL); |
| 2436 | 2444 |
envlist_free(envlist); |
| 2437 | 2445 |
|
| 2438 |
if (loader_exec(filename, argv+optind, target_environ, regs, info) != 0) {
|
|
| 2446 |
/* |
|
| 2447 |
* Prepare copy of argv vector for target. |
|
| 2448 |
*/ |
|
| 2449 |
target_argc = argc - optind; |
|
| 2450 |
target_argv = calloc(target_argc + 1, sizeof (char *)); |
|
| 2451 |
if (target_argv == NULL) {
|
|
| 2452 |
(void) fprintf(stderr, "Unable to allocate memory for target_argv\n"); |
|
| 2453 |
exit(1); |
|
| 2454 |
} |
|
| 2455 |
|
|
| 2456 |
/* |
|
| 2457 |
* If argv0 is specified (using '-0' switch) we replace |
|
| 2458 |
* argv[0] pointer with the given one. |
|
| 2459 |
*/ |
|
| 2460 |
i = 0; |
|
| 2461 |
if (argv0 != NULL) {
|
|
| 2462 |
target_argv[i++] = strdup(argv0); |
|
| 2463 |
} |
|
| 2464 |
for (; i < target_argc; i++) {
|
|
| 2465 |
target_argv[i] = strdup(argv[optind + i]); |
|
| 2466 |
} |
|
| 2467 |
target_argv[target_argc] = NULL; |
|
| 2468 |
|
|
| 2469 |
if (loader_exec(filename, target_argv, target_environ, regs, info) != 0) {
|
|
| 2439 | 2470 |
printf("Error loading %s\n", filename);
|
| 2440 | 2471 |
_exit(1); |
| 2441 | 2472 |
} |
| 2442 | 2473 |
|
| 2474 |
for (i = 0; i < target_argc; i++) {
|
|
| 2475 |
free(target_argv[i]); |
|
| 2476 |
} |
|
| 2477 |
free(target_argv); |
|
| 2478 |
|
|
| 2443 | 2479 |
for (wrk = target_environ; *wrk; wrk++) {
|
| 2444 | 2480 |
free(*wrk); |
| 2445 | 2481 |
} |
Also available in: Unified diff