#endif
#include <sys/types.h>
+#define ARRAY_OBJ_INDEX(ptr,array,elem_size) (((char*)(ptr) - ((char*)(array) + G_STRUCT_OFFSET (MonoArray, vector))) / (elem_size))
+
guint8 *sgen_cardtable;
static gboolean need_mod_union;
#ifdef HEAVY_STATISTICS
-long long marked_cards;
-long long scanned_cards;
-long long scanned_objects;
-long long remarked_cards;
+guint64 marked_cards;
+guint64 scanned_cards;
+guint64 scanned_objects;
+guint64 remarked_cards;
-static long long los_marked_cards;
-static long long large_objects;
-static long long bloby_objects;
-static long long los_array_cards;
-static long long los_array_remsets;
+static guint64 los_marked_cards;
+static guint64 large_objects;
+static guint64 bloby_objects;
+static guint64 los_array_cards;
+static guint64 los_array_remsets;
#endif
-static long long major_card_scan_time;
-static long long los_card_scan_time;
+static guint64 major_card_scan_time;
+static guint64 los_card_scan_time;
-static long long last_major_scan_time;
-static long long last_los_scan_time;
+static guint64 last_major_scan_time;
+static guint64 last_los_scan_time;
static void sgen_card_tables_collect_stats (gboolean begin);
for (; dest >= start; --src, --dest) {
gpointer value = *src;
- *dest = value;
+ SGEN_UPDATE_REFERENCE_ALLOW_NULL (dest, value);
if (need_mod_union || sgen_ptr_in_nursery (value))
sgen_card_table_mark_address ((mword)dest);
sgen_dummy_use (value);
gpointer *end = dest + count;
for (; dest < end; ++src, ++dest) {
gpointer value = *src;
- *dest = value;
+ SGEN_UPDATE_REFERENCE_ALLOW_NULL (dest, value);
if (need_mod_union || sgen_ptr_in_nursery (value))
sgen_card_table_mark_address ((mword)dest);
sgen_dummy_use (value);
#define SGEN_CARDTABLE_END (sgen_cardtable + CARD_COUNT_IN_BYTES)
static gboolean
-sgen_card_table_region_begin_scanning (mword start, mword end)
+sgen_card_table_region_begin_scanning (mword start, mword size)
{
+ mword end = start + size;
/*XXX this can be improved to work on words and have a single loop induction var */
- while (start <= end) {
+ while (start < end) {
if (sgen_card_table_card_begin_scanning (start))
return TRUE;
start += CARD_SIZE_IN_BYTES;
#endif
}
- return mask;
+ return mask != 0;
}
void*
#endif
static void
-sgen_card_table_prepare_for_major_collection (void)
+sgen_card_table_clear_cards (void)
{
/*XXX we could do this in 2 ways. using mincore or iterating over all sections/los objects */
sgen_major_collector_iterate_live_block_ranges (clear_cards);
}
static void
-sgen_card_table_finish_scan_remsets (void *start_nursery, void *end_nursery, SgenGrayQueue *queue)
+sgen_card_table_scan_remsets (SgenGrayQueue *queue)
{
SGEN_TV_DECLARE (atv);
SGEN_TV_DECLARE (btv);
sgen_los_iterate_live_block_ranges (move_cards_to_shadow_table);
/*Then we clear*/
- sgen_card_table_prepare_for_major_collection ();
+ sgen_card_table_clear_cards ();
#endif
SGEN_TV_GETTIME (atv);
sgen_major_collector_scan_card_table (queue);
guint8*
mono_gc_get_card_table (int *shift_bits, gpointer *mask)
{
+#ifndef MANAGED_WBARRIER
+ return NULL;
+#else
if (!sgen_cardtable)
return NULL;
#endif
return sgen_cardtable;
+#endif
}
gboolean
}
#if 0
-static void
-collect_faulted_cards (void)
-{
-#define CARD_PAGES (CARD_COUNT_IN_BYTES / 4096)
- int i, count = 0;
- unsigned char faulted [CARD_PAGES] = { 0 };
- mincore (sgen_cardtable, CARD_COUNT_IN_BYTES, faulted);
-
- for (i = 0; i < CARD_PAGES; ++i) {
- if (faulted [i])
- ++count;
- }
-
- printf ("TOTAL card pages %d faulted %d\n", CARD_PAGES, count);
-}
-
void
sgen_card_table_dump_obj_card (char *object, size_t size, void *dummy)
{
mword obj_size = sgen_par_object_get_size (vt, (MonoObject*)obj);
char *obj_end = obj + obj_size;
size_t card_count;
- int extra_idx = 0;
+ size_t extra_idx = 0;
MonoArray *arr = (MonoArray*)obj;
mword desc = (mword)klass->element_class->gc_descr;
card_data = find_next_card (card_data, card_data_end);
for (; card_data < card_data_end; card_data = find_next_card (card_data + 1, card_data_end)) {
- int index;
- int idx = (card_data - card_base) + extra_idx;
+ size_t index;
+ size_t idx = (card_data - card_base) + extra_idx;
char *start = (char*)(obj_start + idx * CARD_SIZE_IN_BYTES);
char *card_end = start + CARD_SIZE_IN_BYTES;
char *first_elem, *elem;
HEAVY_STAT (++bloby_objects);
if (cards) {
if (sgen_card_table_is_range_marked (cards, (mword)obj, block_obj_size))
- sgen_get_current_object_ops ()->scan_object (obj, queue);
+ sgen_get_current_object_ops ()->scan_object (obj, sgen_obj_get_descriptor (obj), queue);
} else if (sgen_card_table_region_begin_scanning ((mword)obj, block_obj_size)) {
- sgen_get_current_object_ops ()->scan_object (obj, queue);
+ sgen_get_current_object_ops ()->scan_object (obj, sgen_obj_get_descriptor (obj), queue);
}
binary_protocol_card_scan (obj, sgen_safe_object_get_size ((MonoObject*)obj));
}
void
-sgen_card_table_init (SgenRemeberedSet *remset)
+sgen_card_table_init (SgenRememberedSet *remset)
{
sgen_cardtable = sgen_alloc_os_memory (CARD_COUNT_IN_BYTES, SGEN_ALLOC_INTERNAL | SGEN_ALLOC_ACTIVATE, "card table");
#endif
#ifdef HEAVY_STATISTICS
- mono_counters_register ("marked cards", MONO_COUNTER_GC | MONO_COUNTER_LONG, &marked_cards);
- mono_counters_register ("scanned cards", MONO_COUNTER_GC | MONO_COUNTER_LONG, &scanned_cards);
- mono_counters_register ("remarked cards", MONO_COUNTER_GC | MONO_COUNTER_LONG, &remarked_cards);
-
- mono_counters_register ("los marked cards", MONO_COUNTER_GC | MONO_COUNTER_LONG, &los_marked_cards);
- mono_counters_register ("los array cards scanned ", MONO_COUNTER_GC | MONO_COUNTER_LONG, &los_array_cards);
- mono_counters_register ("los array remsets", MONO_COUNTER_GC | MONO_COUNTER_LONG, &los_array_remsets);
- mono_counters_register ("cardtable scanned objects", MONO_COUNTER_GC | MONO_COUNTER_LONG, &scanned_objects);
- mono_counters_register ("cardtable large objects", MONO_COUNTER_GC | MONO_COUNTER_LONG, &large_objects);
- mono_counters_register ("cardtable bloby objects", MONO_COUNTER_GC | MONO_COUNTER_LONG, &bloby_objects);
+ mono_counters_register ("marked cards", MONO_COUNTER_GC | MONO_COUNTER_ULONG, &marked_cards);
+ mono_counters_register ("scanned cards", MONO_COUNTER_GC | MONO_COUNTER_ULONG, &scanned_cards);
+ mono_counters_register ("remarked cards", MONO_COUNTER_GC | MONO_COUNTER_ULONG, &remarked_cards);
+
+ mono_counters_register ("los marked cards", MONO_COUNTER_GC | MONO_COUNTER_ULONG, &los_marked_cards);
+ mono_counters_register ("los array cards scanned ", MONO_COUNTER_GC | MONO_COUNTER_ULONG, &los_array_cards);
+ mono_counters_register ("los array remsets", MONO_COUNTER_GC | MONO_COUNTER_ULONG, &los_array_remsets);
+ mono_counters_register ("cardtable scanned objects", MONO_COUNTER_GC | MONO_COUNTER_ULONG, &scanned_objects);
+ mono_counters_register ("cardtable large objects", MONO_COUNTER_GC | MONO_COUNTER_ULONG, &large_objects);
+ mono_counters_register ("cardtable bloby objects", MONO_COUNTER_GC | MONO_COUNTER_ULONG, &bloby_objects);
#endif
- mono_counters_register ("cardtable major scan time", MONO_COUNTER_GC | MONO_COUNTER_LONG | MONO_COUNTER_TIME, &major_card_scan_time);
- mono_counters_register ("cardtable los scan time", MONO_COUNTER_GC | MONO_COUNTER_LONG | MONO_COUNTER_TIME, &los_card_scan_time);
+ mono_counters_register ("cardtable major scan time", MONO_COUNTER_GC | MONO_COUNTER_ULONG | MONO_COUNTER_TIME, &major_card_scan_time);
+ mono_counters_register ("cardtable los scan time", MONO_COUNTER_GC | MONO_COUNTER_ULONG | MONO_COUNTER_TIME, &los_card_scan_time);
remset->wbarrier_set_field = sgen_card_table_wbarrier_set_field;
remset->wbarrier_generic_nostore = sgen_card_table_wbarrier_generic_nostore;
remset->record_pointer = sgen_card_table_record_pointer;
- remset->finish_scan_remsets = sgen_card_table_finish_scan_remsets;
+ remset->scan_remsets = sgen_card_table_scan_remsets;
remset->finish_minor_collection = sgen_card_table_finish_minor_collection;
- remset->prepare_for_major_collection = sgen_card_table_prepare_for_major_collection;
+ remset->clear_cards = sgen_card_table_clear_cards;
remset->find_address = sgen_card_table_find_address;
remset->find_address_with_cards = sgen_card_table_find_address_with_cards;