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mf-impl.h (__mf_options): Add ignore_reads and timestamps fields.

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2004-07-20  Frank Ch. Eigler  <fche@redhat.com>

	* mf-impl.h (__mf_options): Add ignore_reads and timestamps fields.
	* mf-runtime.c (options): Give them a name.
	(__mf_set_default_options): Set them.
	(__mf_insert_new_object, __mfu_unregister): Optionalize timestamps.
	(__mf_violation): Warning cleanup.
	* mf-impl.h (MF_VALIDATE_EXTENT): Support ignore_reads option.
	* splay-tree.c (splay_tree_delete_helper): Remove obsolete decl.

From-SVN: r84971
This commit is contained in:
Frank Ch. Eigler 2004-07-20 20:00:56 +00:00 committed by Frank Ch. Eigler
parent 9a55eab313
commit a082fc7afc
4 changed files with 29 additions and 10 deletions
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10
libmudflap/ChangeLog
View File

@ -1,3 +1,13 @@
2004-07-20 Frank Ch. Eigler <fche@redhat.com>
* mf-impl.h (__mf_options): Add ignore_reads and timestamps fields.
* mf-runtime.c (options): Give them a name.
(__mf_set_default_options): Set them.
(__mf_insert_new_object, __mfu_unregister): Optionalize timestamps.
(__mf_violation): Warning cleanup.
* mf-impl.h (MF_VALIDATE_EXTENT): Support ignore_reads option.
* splay-tree.c (splay_tree_delete_helper): Remove obsolete decl.
2004-07-15 Frank Ch. Eigler <fche@redhat.com>
g++/15861

13
libmudflap/mf-impl.h
View File

@ -133,9 +133,6 @@ struct __mf_options
/* Emit internal tracing message. */
unsigned verbose_trace;
/* Support multiple threads. XXX: not yet implemented. */
/* unsigned multi_threaded; */
/* Wipe stack/heap objects upon unwind. */
unsigned wipe_stack;
unsigned wipe_heap;
@ -153,6 +150,12 @@ struct __mf_options
/* Maintain this many stack frames for contexts. */
unsigned backtrace;
/* Ignore read operations even if mode_check is in effect. */
unsigned ignore_reads;
/* Collect register/unregister timestamps. */
unsigned timestamps;
#ifdef LIBMUDFLAPTH
/* Thread stack size. */
unsigned thread_stack;
@ -168,9 +171,7 @@ struct __mf_options
}
mudflap_mode;
/* How to handle a violation. */
enum
{
viol_nop, /* Return control to application. */
@ -240,7 +241,6 @@ extern enum __mf_state_enum *__mf_state_perthread ();
extern enum __mf_state_enum __mf_state;
#endif
extern int __mf_starting_p;
extern struct __mf_options __mf_opts;
/* ------------------------------------------------------------------------ */
@ -355,6 +355,7 @@ ret __mfwrap_ ## fname (__VA_ARGS__)
#define MF_VALIDATE_EXTENT(value,size,acc,context) \
do { \
if (UNLIKELY (size > 0 && __MF_CACHE_MISS_P (value, size))) \
if (acc == __MF_CHECK_WRITE || ! __mf_opts.ignore_reads) \
__mf_check ((void *) (value), (size), acc, "(" context ")"); \
} while (0)
#define BEGIN_PROTECT(fname, ...) \

15
libmudflap/mf-runtime.c
View File

@ -237,6 +237,7 @@ __mf_set_default_options ()
__mf_opts.persistent_count = 100;
__mf_opts.crumple_zone = 32;
__mf_opts.backtrace = 4;
__mf_opts.timestamps = 1;
__mf_opts.mudflap_mode = mode_check;
__mf_opts.violation_mode = viol_nop;
__mf_opts.heur_std_data = 1;
@ -313,6 +314,12 @@ options [] =
{"abbreviate",
"abbreviate repetitive listings",
set_option, 1, &__mf_opts.abbreviate},
{"timestamps",
"track object lifetime timestamps",
set_option, 1, &__mf_opts.timestamps},
{"ignore-reads",
"ignore read accesses - assume okay",
set_option, 1, &__mf_opts.ignore_reads},
{"wipe-stack",
"wipe stack objects at unwind",
set_option, 1, &__mf_opts.wipe_stack},
@ -917,7 +924,8 @@ __mf_insert_new_object (uintptr_t low, uintptr_t high, int type,
new_obj->name = name;
new_obj->alloc_pc = pc;
#if HAVE_GETTIMEOFDAY
gettimeofday (& new_obj->alloc_time, NULL);
if (__mf_opts.timestamps)
gettimeofday (& new_obj->alloc_time, NULL);
#endif
#if LIBMUDFLAPTH
new_obj->alloc_thread = pthread_self ();
@ -1157,7 +1165,8 @@ __mfu_unregister (void *ptr, size_t sz, int type)
old_obj->deallocated_p = 1;
old_obj->dealloc_pc = (uintptr_t) __builtin_return_address (0);
#if HAVE_GETTIMEOFDAY
gettimeofday (& old_obj->dealloc_time, NULL);
if (__mf_opts.timestamps)
gettimeofday (& old_obj->dealloc_time, NULL);
#endif
#ifdef LIBMUDFLAPTH
old_obj->dealloc_thread = pthread_self ();
@ -1843,7 +1852,7 @@ __mf_violation (void *ptr, size_t sz, uintptr_t pc,
{
unsigned dead_p;
unsigned num_helpful = 0;
struct timeval now;
struct timeval now = { 0, 0 };
#if HAVE_GETTIMEOFDAY
gettimeofday (& now, NULL);
#endif

1
libmudflap/splay-tree.c
View File

@ -39,7 +39,6 @@ Boston, MA 02111-1307, USA. */
#include "splay-tree.h"
static void splay_tree_delete_helper (splay_tree, splay_tree_node);
static void splay_tree_splay (splay_tree, splay_tree_key);
static splay_tree_node splay_tree_splay_helper (splay_tree,
splay_tree_key,