diff options
Diffstat (limited to 'gdb')
| -rw-r--r-- | gdb/ChangeLog | 8 | ||||
| -rw-r--r-- | gdb/linux-thread-db.c | 14 | ||||
| -rw-r--r-- | gdb/nat/gdb_thread_db.h | 1 |
3 files changed, 23 insertions, 0 deletions
diff --git a/gdb/ChangeLog b/gdb/ChangeLog index df49408..ec5a7e4 100644 --- a/gdb/ChangeLog +++ b/gdb/ChangeLog @@ -1,3 +1,11 @@ +2018-12-08 Philippe Waroquiers <philippe.waroquiers@skynet.be> + + * linux-thread-db.c (struct thread_db_info): Add td_ta_delete_p. + (thread_db_err_str): Forward declare. + (delete_thread_db_info): Call td_ta_delete_p if available. + (try_thread_db_load_1): Acquire td_ta_delete address. + * nat/gdb_thread_db.h (td_ta_delete_ftype): Declare. + 2018-12-08 Pedro Alves <palves@redhat.com> * source.c (forward_search_command): Rename to ... diff --git a/gdb/linux-thread-db.c b/gdb/linux-thread-db.c index 3c0998e..3027caa 100644 --- a/gdb/linux-thread-db.c +++ b/gdb/linux-thread-db.c @@ -194,6 +194,7 @@ struct thread_db_info td_init_ftype *td_init_p; td_ta_new_ftype *td_ta_new_p; + td_ta_delete_ftype *td_ta_delete_p; td_ta_map_lwp2thr_ftype *td_ta_map_lwp2thr_p; td_ta_thr_iter_ftype *td_ta_thr_iter_p; td_thr_get_info_ftype *td_thr_get_info_p; @@ -254,6 +255,8 @@ get_thread_db_info (int pid) return NULL; } +static const char *thread_db_err_str (td_err_e err); + /* When PID has exited or has been detached, we no longer want to keep track of it as using libpthread. Call this function to discard thread_db related info related to PID. Note that this closes @@ -273,6 +276,16 @@ delete_thread_db_info (int pid) if (info == NULL) return; + if (info->thread_agent != NULL && info->td_ta_delete_p != NULL) + { + td_err_e err = info->td_ta_delete_p (info->thread_agent); + + if (err != TD_OK) + warning (_("Cannot deregister process %d from libthread_db: %s"), + pid, thread_db_err_str (err)); + info->thread_agent = NULL; + } + if (info->handle != NULL) dlclose (info->handle); @@ -855,6 +868,7 @@ try_thread_db_load_1 (struct thread_db_info *info) /* These are not essential. */ TDB_DLSYM (info, td_thr_tls_get_addr); TDB_DLSYM (info, td_thr_tlsbase); + TDB_DLSYM (info, td_ta_delete); /* It's best to avoid td_ta_thr_iter if possible. That walks data structures in the inferior's address space that may be corrupted, diff --git a/gdb/nat/gdb_thread_db.h b/gdb/nat/gdb_thread_db.h index b8259c3..618516e 100644 --- a/gdb/nat/gdb_thread_db.h +++ b/gdb/nat/gdb_thread_db.h @@ -41,6 +41,7 @@ typedef td_err_e (td_init_ftype) (void); typedef td_err_e (td_ta_new_ftype) (struct ps_prochandle * ps, td_thragent_t **ta); +typedef td_err_e (td_ta_delete_ftype) (td_thragent_t *ta_p); typedef td_err_e (td_ta_map_lwp2thr_ftype) (const td_thragent_t *ta, lwpid_t lwpid, td_thrhandle_t *th); typedef td_err_e (td_ta_thr_iter_ftype) (const td_thragent_t *ta, |