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Add branch trace information to struct thread_info.

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Add functions to enable, disable, clear, and fetch a thread's branch trace.

gdb/
	* target.h: Include btrace.h.
	(struct target_ops) <to_supports_btrace, to_enable_btrace,
	to_disable_btrace, to_teardown_btrace, to_read_btrace>: New.
	* target.c (target_supports_btrace): New function.
	(target_enable_btrace): New function.
	(target_disable_btrace): New function.
	(target_teardown_btrace): New function.
	(target_read_btrace): New function.
	* btrace.h: New file.
	* btrace.c: New file.
	* Makefile.in: Add btrace.c.
	* gdbthread.h: Include btrace.h.
	(struct thread_info): Add btrace field.
	* thread.c: Include btrace.h.
	(clear_thread_inferior_resources): Call target_teardown_btrace.
	* common/btrace-common.h: New file.
This commit is contained in:
Markus Metzger
2013-03-11 08:17:08 +00:00
parent 7bc0ae020f
commit 02d2762576
9 changed files with 801 additions and 3 deletions
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3
gdb/thread.c
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@@ -33,6 +33,7 @@
#include "regcache.h"
#include "gdb.h"
#include "gdb_string.h"
#include "btrace.h"
#include <ctype.h>
#include <sys/types.h>
@@ -116,6 +117,8 @@ clear_thread_inferior_resources (struct thread_info *tp)
bpstat_clear (&tp->control.stop_bpstat);
btrace_teardown (tp);
do_all_intermediate_continuations_thread (tp, 1);
do_all_continuations_thread (tp, 1);
}