Mercurial > jdk8-mips64-public > hotspot / file comparison
comparison: agent/src/os/linux/ps_proc.c
agent/src/os/linux/ps_proc.c
- changeset 9751
- c751303497d5
- parent 9683
- fba8dbd018a6
- child 9756
- 2be326848943
equal
deleted
inserted
replaced
| 9750:3ece33697a35 | 9751:c751303497d5 |
|---|---|
| 343 return add_thread_info(ph, pthread_id, lwp_id) != NULL; | 343 return add_thread_info(ph, pthread_id, lwp_id) != NULL; |
| 344 } | 344 } |
| 345 | 345 |
| 346 static bool read_lib_info(struct ps_prochandle* ph) { | 346 static bool read_lib_info(struct ps_prochandle* ph) { |
| 347 char fname[32]; | 347 char fname[32]; |
| 348 char buf[256]; | 348 char buf[PATH_MAX]; |
| 349 FILE *fp = NULL; | 349 FILE *fp = NULL; |
| 350 | 350 |
| 351 sprintf(fname, "/proc/%d/maps", ph->pid); | 351 sprintf(fname, "/proc/%d/maps", ph->pid); |
| 352 fp = fopen(fname, "r"); | 352 fp = fopen(fname, "r"); |
| 353 if (fp == NULL) { | 353 if (fp == NULL) { |
| 354 print_debug("can't open /proc/%d/maps file\n", ph->pid); | 354 print_debug("can't open /proc/%d/maps file\n", ph->pid); |
| 355 return false; | 355 return false; |
| 356 } | 356 } |
| 357 | 357 |
| 358 while(fgets_no_cr(buf, 256, fp)){ | 358 while(fgets_no_cr(buf, PATH_MAX, fp)){ |
| 359 char * word[6]; | 359 char * word[7]; |
| 360 int nwords = split_n_str(buf, 6, word, ' ', '\0'); | 360 int nwords = split_n_str(buf, 7, word, ' ', '\0'); |
| 361 if (nwords > 5 && find_lib(ph, word[5]) == false) { | 361 |
| 362 if (nwords < 6) { | |
| 363 // not a shared library entry. ignore. | |
| 364 continue; | |
| 365 } | |
| 366 | |
| 367 // SA does not handle the lines with patterns: | |
| 368 // "[stack]", "[heap]", "[vdso]", "[vsyscall]", etc. | |
| 369 if (word[5][0] == '[') { | |
| 370 // not a shared library entry. ignore. | |
| 371 continue; | |
| 372 } | |
| 373 | |
| 374 if (nwords > 6) { | |
| 375 // prelink altered mapfile when the program is running. | |
| 376 // Entries like one below have to be skipped | |
| 377 // /lib64/libc-2.15.so (deleted) | |
| 378 // SO name in entries like one below have to be stripped. | |
| 379 // /lib64/libpthread-2.15.so.#prelink#.EECVts | |
| 380 char *s = strstr(word[5],".#prelink#"); | |
| 381 if (s == NULL) { | |
| 382 // No prelink keyword. skip deleted library | |
| 383 print_debug("skip shared object %s deleted by prelink\n", word[5]); | |
| 384 continue; | |
| 385 } | |
| 386 | |
| 387 // Fall through | |
| 388 print_debug("rectifying shared object name %s changed by prelink\n", word[5]); | |
| 389 *s = 0; | |
| 390 } | |
| 391 | |
| 392 if (find_lib(ph, word[5]) == false) { | |
| 362 intptr_t base; | 393 intptr_t base; |
| 363 lib_info* lib; | 394 lib_info* lib; |
| 364 #ifdef _LP64 | 395 #ifdef _LP64 |
| 365 sscanf(word[0], "%lx", &base); | 396 sscanf(word[0], "%lx", &base); |
| 366 #else | 397 #else |
