| yuezonghe | 824eb0c | 2024-06-27 02:32:26 -0700 | [diff] [blame] | 1 | /* Private header for thread debug library. */ |
| 2 | #ifndef _THREAD_DBP_H |
| 3 | #define _THREAD_DBP_H 1 |
| 4 | |
| 5 | #include <string.h> |
| 6 | #include <unistd.h> |
| 7 | #include "proc_service.h" |
| 8 | #include "thread_db.h" |
| 9 | #include "../linuxthreads/descr.h" |
| 10 | |
| 11 | |
| 12 | /* Indices for the symbol names. */ |
| 13 | enum |
| 14 | { |
| 15 | PTHREAD_THREADS_EVENTS = 0, |
| 16 | PTHREAD_LAST_EVENT, |
| 17 | PTHREAD_HANDLES_NUM, |
| 18 | PTHREAD_HANDLES, |
| 19 | PTHREAD_KEYS, |
| 20 | LINUXTHREADS_PTHREAD_THREADS_MAX, |
| 21 | LINUXTHREADS_PTHREAD_KEYS_MAX, |
| 22 | LINUXTHREADS_PTHREAD_SIZEOF_DESCR, |
| 23 | LINUXTHREADS_CREATE_EVENT, |
| 24 | LINUXTHREADS_DEATH_EVENT, |
| 25 | LINUXTHREADS_REAP_EVENT, |
| 26 | LINUXTHREADS_INITIAL_REPORT_EVENTS, |
| 27 | LINUXTHREADS_VERSION, |
| 28 | NUM_MESSAGES |
| 29 | }; |
| 30 | |
| 31 | |
| 32 | /* Comment out the following for less verbose output. */ |
| 33 | #ifndef NDEBUG |
| 34 | # define LOG(c) if (__td_debug) write (2, c "\n", strlen (c "\n")) |
| 35 | extern int __td_debug attribute_hidden; |
| 36 | #else |
| 37 | # define LOG(c) |
| 38 | #endif |
| 39 | |
| 40 | |
| 41 | /* Handle for a process. This type is opaque. */ |
| 42 | struct td_thragent |
| 43 | { |
| 44 | /* Delivered by the debugger and we have to pass it back in the |
| 45 | proc callbacks. */ |
| 46 | struct ps_prochandle *ph; |
| 47 | |
| 48 | /* Some cached information. */ |
| 49 | |
| 50 | /* Address of the `__pthread_handles' array. */ |
| 51 | struct pthread_handle_struct *handles; |
| 52 | |
| 53 | /* Address of the `pthread_kyes' array. */ |
| 54 | struct pthread_key_struct *keys; |
| 55 | |
| 56 | /* Maximum number of threads. */ |
| 57 | int pthread_threads_max; |
| 58 | |
| 59 | /* Maximum number of thread-local data keys. */ |
| 60 | int pthread_keys_max; |
| 61 | |
| 62 | /* Size of 2nd level array for thread-local data keys. */ |
| 63 | int pthread_key_2ndlevel_size; |
| 64 | |
| 65 | /* Sizeof struct _pthread_descr_struct. */ |
| 66 | int sizeof_descr; |
| 67 | |
| 68 | /* Pointer to the `__pthread_threads_events' variable in the target. */ |
| 69 | psaddr_t pthread_threads_eventsp; |
| 70 | |
| 71 | /* Pointer to the `__pthread_last_event' variable in the target. */ |
| 72 | psaddr_t pthread_last_event; |
| 73 | |
| 74 | /* Pointer to the `__pthread_handles_num' variable. */ |
| 75 | psaddr_t pthread_handles_num; |
| 76 | }; |
| 77 | |
| 78 | |
| 79 | /* Type used internally to keep track of thread agent descriptors. */ |
| 80 | struct agent_list |
| 81 | { |
| 82 | td_thragent_t *ta; |
| 83 | struct agent_list *next; |
| 84 | }; |
| 85 | |
| 86 | /* List of all known descriptors. */ |
| 87 | extern struct agent_list *__td_agent_list attribute_hidden; |
| 88 | |
| 89 | /* Function used to test for correct thread agent pointer. */ |
| 90 | static __inline__ int |
| 91 | ta_ok (const td_thragent_t *ta) |
| 92 | { |
| 93 | struct agent_list *runp = __td_agent_list; |
| 94 | |
| 95 | if (ta == NULL) |
| 96 | return 0; |
| 97 | |
| 98 | while (runp != NULL && runp->ta != ta) |
| 99 | runp = runp->next; |
| 100 | |
| 101 | return runp != NULL; |
| 102 | } |
| 103 | |
| 104 | |
| 105 | /* Internal wrapper around ps_pglobal_lookup. */ |
| 106 | extern int td_lookup (struct ps_prochandle *ps, int idx, psaddr_t *sym_addr) attribute_hidden; |
| 107 | |
| 108 | #endif /* thread_dbP.h */ |