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| author | Bryce McKinlay <bryce@waitaki.otago.ac.nz> | 2002-02-12 04:37:57 +0000 |
|---|---|---|
| committer | Bryce McKinlay <bryce@gcc.gnu.org> | 2002-02-12 04:37:57 +0000 |
| commit | 79f777fd1e10435cb50c4b45a664bd6ae280f2c1 (patch) | |
| tree | cef3197531d988920cbff060bdc10742baf06d01 /boehm-gc/gcj_mlc.c | |
| parent | 005326029f35b4271c5274114a17126039fe18a0 (diff) | |
| download | gcc-79f777fd1e10435cb50c4b45a664bd6ae280f2c1.tar.gz | |
Imported GC 6.1 Alpha 3. Finally.
From-SVN: r49698
Diffstat (limited to 'boehm-gc/gcj_mlc.c')
| -rw-r--r-- | boehm-gc/gcj_mlc.c | 32 |
1 files changed, 26 insertions, 6 deletions
diff --git a/boehm-gc/gcj_mlc.c b/boehm-gc/gcj_mlc.c index 7e79521eb1f..89f0d728a57 100644 --- a/boehm-gc/gcj_mlc.c +++ b/boehm-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(); |