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Invalidate target cache before starting to handle event.

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gdb:

2013-12-10  Yao Qi  <yao@codesourcery.com>

	* infrun.c: Include "target-dcache.h".
	(prepare_for_detach): Call target_dcache_invalidate.
	(wait_for_inferior): Likewise.
	(fetch_inferior_event): Likewise.
	(infrun_thread_stop_requested_callback): Likewise.  Set
	overlay_cache_invalid to 1.
This commit is contained in:
Yao Qi
2013-12-04 09:28:44 +08:00
parent 036e93dfda
commit f15cb84a84
2 changed files with 33 additions and 0 deletions
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9
gdb/ChangeLog
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@ -1,3 +1,12 @@
2013-12-10 Yao Qi <yao@codesourcery.com>
* infrun.c: Include "target-dcache.h".
(prepare_for_detach): Call target_dcache_invalidate.
(wait_for_inferior): Likewise.
(fetch_inferior_event): Likewise.
(infrun_thread_stop_requested_callback): Likewise. Set
overlay_cache_invalid to 1.
2013-12-10 Joel Brobecker <brobecker@adacore.com> 2013-12-10 Joel Brobecker <brobecker@adacore.com>
* symtab.c (symbol_find_demangled_name): Add handling of * symtab.c (symbol_find_demangled_name): Add handling of

24
gdb/infrun.c
View File

@ -60,6 +60,7 @@
#include "objfiles.h" #include "objfiles.h"
#include "completer.h" #include "completer.h"
#include "target-descriptions.h" #include "target-descriptions.h"
#include "target-dcache.h"
/* Prototypes for local functions */ /* Prototypes for local functions */
@ -2475,6 +2476,13 @@ infrun_thread_stop_requested_callback (struct thread_info *info, void *arg)
old_chain = make_cleanup_restore_current_thread (); old_chain = make_cleanup_restore_current_thread ();
overlay_cache_invalid = 1;
/* Flush target cache before starting to handle each event.
Target was running and cache could be stale. This is just a
heuristic. Running threads may modify target memory, but we
don't get any event. */
target_dcache_invalidate ();
/* Go through handle_inferior_event/normal_stop, so we always /* Go through handle_inferior_event/normal_stop, so we always
have consistent output as if the stop event had been have consistent output as if the stop event had been
reported. */ reported. */
@ -2677,6 +2685,11 @@ prepare_for_detach (void)
memset (ecs, 0, sizeof (*ecs)); memset (ecs, 0, sizeof (*ecs));
overlay_cache_invalid = 1; overlay_cache_invalid = 1;
/* Flush target cache before starting to handle each event.
Target was running and cache could be stale. This is just a
heuristic. Running threads may modify target memory, but we
don't get any event. */
target_dcache_invalidate ();
if (deprecated_target_wait_hook) if (deprecated_target_wait_hook)
ecs->ptid = deprecated_target_wait_hook (pid_ptid, &ecs->ws, 0); ecs->ptid = deprecated_target_wait_hook (pid_ptid, &ecs->ws, 0);
@ -2740,6 +2753,12 @@ wait_for_inferior (void)
overlay_cache_invalid = 1; overlay_cache_invalid = 1;
/* Flush target cache before starting to handle each event.
Target was running and cache could be stale. This is just a
heuristic. Running threads may modify target memory, but we
don't get any event. */
target_dcache_invalidate ();
if (deprecated_target_wait_hook) if (deprecated_target_wait_hook)
ecs->ptid = deprecated_target_wait_hook (waiton_ptid, &ecs->ws, 0); ecs->ptid = deprecated_target_wait_hook (waiton_ptid, &ecs->ws, 0);
else else
@ -2805,6 +2824,11 @@ fetch_inferior_event (void *client_data)
make_cleanup_restore_current_thread (); make_cleanup_restore_current_thread ();
overlay_cache_invalid = 1; overlay_cache_invalid = 1;
/* Flush target cache before starting to handle each event. Target
was running and cache could be stale. This is just a heuristic.
Running threads may modify target memory, but we don't get any
event. */
target_dcache_invalidate ();
make_cleanup_restore_integer (&execution_direction); make_cleanup_restore_integer (&execution_direction);
execution_direction = target_execution_direction (); execution_direction = target_execution_direction ();