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authorDai Sato <satodai@dog.intcul.tohoku.ac.jp>2001-11-22 17:52:28 +0000
committerDai Sato <satodai@dog.intcul.tohoku.ac.jp>2001-11-22 17:52:28 +0000
commita5067a1853b490e9c551ac2ff7c4cb58a9bb3f48 (patch)
tree42ca751a0b79dd050082b1e87c7d8957c161c6ff /gc/gcj_mlc.c
parent[w3m-dev 02509] (diff)
downloadw3m-a5067a1853b490e9c551ac2ff7c4cb58a9bb3f48.tar.gz
w3m-a5067a1853b490e9c551ac2ff7c4cb58a9bb3f48.zip
w3m-0.2.2-inu-1.1 sourceinu-0-2-2-rel-1-1inu-0-2-2
Diffstat (limited to 'gc/gcj_mlc.c')
-rw-r--r--gc/gcj_mlc.c32
1 files changed, 26 insertions, 6 deletions
diff --git a/gc/gcj_mlc.c b/gc/gcj_mlc.c
index 7e79521..89f0d72 100644
--- a/gc/gcj_mlc.c
+++ b/gc/gcj_mlc.c
@@ -54,6 +54,7 @@ ptr_t * GC_gcjdebugobjfreelist;
void GC_init_gcj_malloc(int mp_index, void * /* really GC_mark_proc */mp)
{
register int i;
+ GC_bool ignore_gcj_info;
DCL_LOCK_STATE;
GC_init(); /* In case it's not already done. */
@@ -65,6 +66,12 @@ void GC_init_gcj_malloc(int mp_index, void * /* really GC_mark_proc */mp)
return;
}
GC_gcj_malloc_initialized = TRUE;
+ ignore_gcj_info = (0 != GETENV("GC_IGNORE_GCJ_INFO"));
+# ifdef CONDPRINT
+ if (GC_print_stats && ignore_gcj_info) {
+ GC_printf0("Gcj-style type information is disabled!\n");
+ }
+# endif
GC_mark_procs[mp_index] = (GC_mark_proc)mp;
if (mp_index >= GC_n_mark_procs) ABORT("GC_init_gcj_malloc: bad index");
/* Set up object kind gcj-style indirect descriptor. */
@@ -75,9 +82,17 @@ void GC_init_gcj_malloc(int mp_index, void * /* really GC_mark_proc */mp)
GC_gcj_kind = GC_n_kinds++;
GC_obj_kinds[GC_gcj_kind].ok_freelist = GC_gcjobjfreelist;
GC_obj_kinds[GC_gcj_kind].ok_reclaim_list = 0;
- GC_obj_kinds[GC_gcj_kind].ok_descriptor =
- (((word)(-MARK_DESCR_OFFSET - GC_INDIR_PER_OBJ_BIAS)) | GC_DS_PER_OBJECT);
- GC_obj_kinds[GC_gcj_kind].ok_relocate_descr = FALSE;
+ if (ignore_gcj_info) {
+ /* Use a simple length-based descriptor, thus forcing a fully */
+ /* conservative scan. */
+ GC_obj_kinds[GC_gcj_kind].ok_descriptor = (0 | GC_DS_LENGTH);
+ GC_obj_kinds[GC_gcj_kind].ok_relocate_descr = TRUE;
+ } else {
+ GC_obj_kinds[GC_gcj_kind].ok_descriptor =
+ (((word)(-MARK_DESCR_OFFSET - GC_INDIR_PER_OBJ_BIAS))
+ | GC_DS_PER_OBJECT);
+ GC_obj_kinds[GC_gcj_kind].ok_relocate_descr = FALSE;
+ }
GC_obj_kinds[GC_gcj_kind].ok_init = TRUE;
/* Set up object kind for objects that require mark proc call. */
GC_gcjdebugobjfreelist = (ptr_t *)
@@ -88,9 +103,14 @@ void GC_init_gcj_malloc(int mp_index, void * /* really GC_mark_proc */mp)
GC_gcj_debug_kind = GC_n_kinds++;
GC_obj_kinds[GC_gcj_debug_kind].ok_freelist = GC_gcjdebugobjfreelist;
GC_obj_kinds[GC_gcj_debug_kind].ok_reclaim_list = 0;
- GC_obj_kinds[GC_gcj_debug_kind].ok_descriptor =
- GC_MAKE_PROC(mp_index, 1 /* allocated with debug info */);
- GC_obj_kinds[GC_gcj_debug_kind].ok_relocate_descr = FALSE;
+ if (ignore_gcj_info) {
+ GC_obj_kinds[GC_gcj_kind].ok_descriptor = (0 | GC_DS_LENGTH);
+ GC_obj_kinds[GC_gcj_kind].ok_relocate_descr = TRUE;
+ } else {
+ GC_obj_kinds[GC_gcj_debug_kind].ok_descriptor =
+ GC_MAKE_PROC(mp_index, 1 /* allocated with debug info */);
+ GC_obj_kinds[GC_gcj_debug_kind].ok_relocate_descr = FALSE;
+ }
GC_obj_kinds[GC_gcj_debug_kind].ok_init = TRUE;
UNLOCK();
ENABLE_SIGNALS();