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Remove unused libthread_db td_thr_validate reference

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Native GDB looks up the function td_thr_validate from libthread_db.so
on Linux, but the value is never used.  This commit removes this dead
code.

gdb/ChangeLog:

	* nat/gdb_thread_db.h (td_thr_validate_ftype): Remove typedef.
	* linux-thread-db.c (struct thread_db_info) <td_thr_validate_p>:
	Remove field.
	(try_thread_db_load_1): Remove td_thr_validate initialization.
This commit is contained in:
Gary Benson 2016-05-23 13:26:47 +01:00
parent b43b853577
commit d0571b9934
3 changed files with 7 additions and 3 deletions
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7
gdb/ChangeLog
View File

@ -1,3 +1,10 @@
2016-05-23 Gary Benson <gbenson@redhat.com>
* nat/gdb_thread_db.h (td_thr_validate_ftype): Remove typedef.
* linux-thread-db.c (struct thread_db_info) <td_thr_validate_p>:
Remove field.
(try_thread_db_load_1): Remove td_thr_validate initialization.
2016-05-23 Jon Boden <jon@ubuntubsd.org> (tiny change)
* configure.ac: Search for libutil-freebsd as alternative to libutil.

2
gdb/linux-thread-db.c
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@ -158,7 +158,6 @@ struct thread_db_info
td_ta_new_ftype *td_ta_new_p;
td_ta_map_lwp2thr_ftype *td_ta_map_lwp2thr_p;
td_ta_thr_iter_ftype *td_ta_thr_iter_p;
td_thr_validate_ftype *td_thr_validate_p;
td_thr_get_info_ftype *td_thr_get_info_p;
td_thr_tls_get_addr_ftype *td_thr_tls_get_addr_p;
td_thr_tlsbase_ftype *td_thr_tlsbase_p;
@ -561,7 +560,6 @@ try_thread_db_load_1 (struct thread_db_info *info)
/* These are essential. */
CHK (TDB_VERBOSE_DLSYM (info, td_ta_map_lwp2thr));
CHK (TDB_VERBOSE_DLSYM (info, td_thr_validate));
CHK (TDB_VERBOSE_DLSYM (info, td_thr_get_info));
/* These are not essential. */

1
gdb/nat/gdb_thread_db.h
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@ -57,7 +57,6 @@ typedef td_err_e (td_ta_clear_event_ftype) (const td_thragent_t *ta,
typedef td_err_e (td_ta_event_getmsg_ftype) (const td_thragent_t *ta,
td_event_msg_t *msg);
typedef td_err_e (td_thr_validate_ftype) (const td_thrhandle_t *th);
typedef td_err_e (td_thr_get_info_ftype) (const td_thrhandle_t *th,
td_thrinfo_t *infop);
typedef td_err_e (td_thr_event_enable_ftype) (const td_thrhandle_t *th,