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authorCyrille Bagard <nocbos@gmail.com>2015-10-07 21:18:39 (GMT)
committerCyrille Bagard <nocbos@gmail.com>2015-10-07 21:18:39 (GMT)
commitfe3ac685849b69d87ad536e80d6f31d08c593eac (patch)
tree7522f5cf0a259656c6aff47a39b442001fd7911a /src/analysis
parentf9c4cfc72cd8d7eb08ded8287fc5af1497567f8b (diff)
Introduced code coverages to reduce search time.
git-svn-id: svn://svn.gna.org/svn/chrysalide/trunk@588 abbe820e-26c8-41b2-8c08-b7b2b41f8b0a
Diffstat (limited to 'src/analysis')
-rw-r--r--src/analysis/disass/loop.c26
1 files changed, 16 insertions, 10 deletions
diff --git a/src/analysis/disass/loop.c b/src/analysis/disass/loop.c
index 30265c9..5f97981 100644
--- a/src/analysis/disass/loop.c
+++ b/src/analysis/disass/loop.c
@@ -34,16 +34,17 @@
/* Suit un flot d'exécution à la recherche de boucles. */
-static void track_loops_in_code(const GArchProcessor *, const mrange_t *, const vmpa2t *, memfield_t *);
+static void track_loops_in_code(const GArchProcessor *, const instr_coverage *, const mrange_t *, const vmpa2t *, memfield_t *);
/******************************************************************************
* *
-* Paramètres : proc = ensemble d'instructions à parcourir. *
-* start = adresse du début de l'analyse. *
-* end = adresse de fin de la routine traitée. *
-* flow = ensemble des jalons de l'exécution du code. *
+* Paramètres : proc = ensemble d'instructions à parcourir. *
+* coverage = zone de couverture où rechercher des instructions.*
+* range = zone de couverture de la routine analysée. *
+* start = adresse du début de l'analyse. *
+* flow = ensemble des jalons de l'exécution du code. *
* *
* Description : Suit un flot d'exécution à la recherche de boucles. *
* *
@@ -53,7 +54,7 @@ static void track_loops_in_code(const GArchProcessor *, const mrange_t *, const
* *
******************************************************************************/
-static void track_loops_in_code(const GArchProcessor *proc, const mrange_t *range, const vmpa2t *start, memfield_t *flow)
+static void track_loops_in_code(const GArchProcessor *proc, const instr_coverage *coverage, const mrange_t *range, const vmpa2t *start, memfield_t *flow)
{
bool exit_track; /* Détermine la fin du parcours*/
GArchInstruction *iter; /* Boucle de parcours */
@@ -69,7 +70,7 @@ static void track_loops_in_code(const GArchProcessor *proc, const mrange_t *rang
exit_track = false;
- for (iter = g_arch_processor_find_instr_by_address(proc, start);
+ for (iter = g_arch_processor_find_covered_instr_by_address(proc, coverage, start);
iter != NULL && !exit_track;
iter = g_arch_instruction_get_next_iter(iter /* FIXME : list*/, iter, ~0))
{
@@ -120,7 +121,7 @@ static void track_loops_in_code(const GArchProcessor *proc, const mrange_t *rang
addr = get_mrange_addr(irange);
next_flow = create_mem_field_from(flow);
- track_loops_in_code(proc, range, addr, next_flow);
+ track_loops_in_code(proc, coverage, range, addr, next_flow);
delete_mem_field(next_flow);
break;
@@ -150,7 +151,7 @@ static void track_loops_in_code(const GArchProcessor *proc, const mrange_t *rang
else
{
next_flow = dup_mem_field(flow);
- track_loops_in_code(proc, range, addr, next_flow);
+ track_loops_in_code(proc, coverage, range, addr, next_flow);
delete_mem_field(next_flow);
}
@@ -186,14 +187,19 @@ void detect_loops_in_code(const GArchProcessor *proc, GBinRoutine **routines, si
{
size_t i; /* Boucle de parcours */
const mrange_t *range; /* Couverture d'une routine */
+ const vmpa2t *start; /* Adresse de départ */
+ const instr_coverage *coverage; /* Instructions couvertes */
memfield_t *flow; /* Flot d'exécution à suivre */
for (i = 0; i < count; i++)
{
range = g_binary_routine_get_range(routines[i]);
+ start = get_mrange_addr(range);
+
+ coverage = g_arch_processor_find_coverage_by_address(proc, start);
flow = create_mem_field(range);
- track_loops_in_code(proc, range, get_mrange_addr(range), flow);
+ track_loops_in_code(proc, coverage, range, start, flow);
delete_mem_field(flow);
gtk_extended_status_bar_update_activity(statusbar, id, (i + 1) * 1.0 / count);