* Copyright 2011 Xamarin Inc (http://www.xamarin.com)
* Copyright (C) 2012 Xamarin Inc
*
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Library General Public
- * License 2.0 as published by the Free Software Foundation;
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * Library General Public License for more details.
- *
- * You should have received a copy of the GNU Library General Public
- * License 2.0 along with this library; if not, write to the Free
- * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ * Licensed under the MIT license. See LICENSE file in the project root for full license information.
*/
#ifndef __MONO_SGENGC_H__
#define __MONO_SGENGC_H__
struct tm tod; \
time(&t); \
localtime_r(&t, &tod); \
- strftime(logTime, sizeof(logTime), "%F %T", &tod); \
+ strftime(logTime, sizeof(logTime), "%Y-%m-%d %H:%M:%S", &tod); \
} while (0)
#else
# define LOG_TIMESTAMP \
List of what each bit on of the vtable gc bits means.
*/
enum {
+ // When the Java bridge has determined an object is "bridged", it uses these two bits to cache that information.
SGEN_GC_BIT_BRIDGE_OBJECT = 1,
SGEN_GC_BIT_BRIDGE_OPAQUE_OBJECT = 2,
SGEN_GC_BIT_FINALIZER_AWARE = 4,
void sgen_conservatively_pin_objects_from (void **start, void **end, void *start_nursery, void *end_nursery, int pin_type);
+gboolean sgen_gc_initialized (void);
+
/* Keep in sync with description_for_type() in sgen-internal.c! */
enum {
INTERNAL_MEM_PIN_QUEUE,
INTERNAL_MEM_CARDTABLE_MOD_UNION,
INTERNAL_MEM_BINARY_PROTOCOL,
INTERNAL_MEM_TEMPORARY,
+ INTERNAL_MEM_LOG_ENTRY,
+ INTERNAL_MEM_COMPLEX_DESCRIPTORS,
INTERNAL_MEM_FIRST_CLIENT
};
typedef void (*CopyOrMarkObjectFunc) (GCObject**, SgenGrayQueue*);
typedef void (*ScanObjectFunc) (GCObject *obj, SgenDescriptor desc, SgenGrayQueue*);
typedef void (*ScanVTypeFunc) (GCObject *full_object, char *start, SgenDescriptor desc, SgenGrayQueue* BINARY_PROTOCOL_ARG (size_t size));
+typedef void (*ScanPtrFieldFunc) (GCObject *obj, GCObject **ptr, SgenGrayQueue* queue);
typedef gboolean (*DrainGrayStackFunc) (SgenGrayQueue *queue);
typedef struct {
CopyOrMarkObjectFunc copy_or_mark_object;
ScanObjectFunc scan_object;
ScanVTypeFunc scan_vtype;
+ ScanPtrFieldFunc scan_ptr_field;
/* Drain stack optimized for the above functions */
DrainGrayStackFunc drain_gray_stack;
/*FIXME add allocation function? */
void sgen_free_internal_dynamic (void *addr, size_t size, int type);
void sgen_pin_stats_enable (void);
-void sgen_pin_stats_register_object (GCObject *obj, size_t size);
+void sgen_pin_stats_register_object (GCObject *obj, int generation);
void sgen_pin_stats_register_global_remset (GCObject *obj);
-void sgen_pin_stats_print_class_stats (void);
+void sgen_pin_stats_report (void);
void sgen_sort_addresses (void **array, size_t size);
void sgen_add_to_global_remset (gpointer ptr, GCObject *obj);
/* Updating references */
#ifdef SGEN_CHECK_UPDATE_REFERENCE
-gboolean sgen_thread_pool_is_thread_pool_thread (MonoNativeThreadId some_thread) MONO_INTERNAL;
+gboolean sgen_thread_pool_is_thread_pool_thread (MonoNativeThreadId some_thread);
+
static inline void
sgen_update_reference (GCObject **p, GCObject *o, gboolean allow_null)
{
typedef void (*sgen_cardtable_block_callback) (mword start, mword size);
void sgen_major_collector_iterate_live_block_ranges (sgen_cardtable_block_callback callback);
+void sgen_major_collector_iterate_block_ranges (sgen_cardtable_block_callback callback);
typedef enum {
ITERATE_OBJECTS_SWEEP = 1,
size_t num_unique_scanned_objects;
} ScannedObjectCounts;
+typedef enum {
+ CARDTABLE_SCAN_GLOBAL = 0,
+ CARDTABLE_SCAN_MOD_UNION = 1,
+ CARDTABLE_SCAN_MOD_UNION_PRECLEAN = CARDTABLE_SCAN_MOD_UNION | 2,
+} CardTableScanType;
+
typedef struct _SgenMajorCollector SgenMajorCollector;
struct _SgenMajorCollector {
size_t section_size;
void (*free_non_pinned_object) (GCObject *obj, size_t size);
void (*pin_objects) (SgenGrayQueue *queue);
void (*pin_major_object) (GCObject *obj, SgenGrayQueue *queue);
- void (*scan_card_table) (gboolean mod_union, ScanCopyContext ctx);
+ void (*scan_card_table) (CardTableScanType scan_type, ScanCopyContext ctx);
void (*iterate_live_block_ranges) (sgen_cardtable_block_callback callback);
+ void (*iterate_block_ranges) (sgen_cardtable_block_callback callback);
void (*update_cardtable_mod_union) (void);
void (*init_to_space) (void);
void (*sweep) (void);
gboolean sgen_have_pending_finalizers (void);
void sgen_object_register_for_finalization (GCObject *obj, void *user_data);
-int sgen_gather_finalizers_if (SgenObjectPredicateFunc predicate, void *user_data, GCObject **out_array, int out_size);
+void sgen_finalize_if (SgenObjectPredicateFunc predicate, void *user_data, volatile gboolean *suspend);
void sgen_remove_finalizers_if (SgenObjectPredicateFunc predicate, void *user_data, int generation);
void sgen_register_disappearing_link (GCObject *obj, void **link, gboolean track, gboolean in_gc);
void sgen_ensure_free_space (size_t size, int generation);
void sgen_gc_collect (int generation);
-void sgen_perform_collection (size_t requested_size, int generation_to_collect, const char *reason, gboolean wait_to_finish);
+void sgen_perform_collection (size_t requested_size, int generation_to_collect, const char *reason, gboolean wait_to_finish, gboolean stw);
int sgen_gc_collection_count (int generation);
/* FIXME: what exactly does this return? */
/* STW */
-typedef struct {
- int generation;
- const char *reason;
- gboolean is_overflow;
- gint64 total_time;
- gint64 stw_time;
- gint64 bridge_time;
-} GGTimingInfo;
-
void sgen_stop_world (int generation);
-void sgen_restart_world (int generation, GGTimingInfo *timing);
+void sgen_restart_world (int generation);
gboolean sgen_is_world_stopped (void);
gboolean sgen_set_allow_synchronous_major (gboolean flag);
extern LOSObject *los_object_list;
extern mword los_memory_usage;
+extern mword los_memory_usage_total;
void sgen_los_free_object (LOSObject *obj);
void* sgen_los_alloc_large_inner (GCVTable vtable, size_t size);
gboolean sgen_ptr_is_in_los (char *ptr, char **start);
void sgen_los_iterate_objects (IterateObjectCallbackFunc cb, void *user_data);
void sgen_los_iterate_live_block_ranges (sgen_cardtable_block_callback callback);
-void sgen_los_scan_card_table (gboolean mod_union, ScanCopyContext ctx);
+void sgen_los_scan_card_table (CardTableScanType scan_type, ScanCopyContext ctx);
void sgen_los_update_cardtable_mod_union (void);
void sgen_los_count_cards (long long *num_total_cards, long long *num_marked_cards);
gboolean sgen_los_is_valid_object (char *object);
extern guint32 tlab_size;
extern NurseryClearPolicy nursery_clear_policy;
extern gboolean sgen_try_free_some_memory;
+extern mword total_promoted_size;
+extern mword total_allocated_major;
extern MonoCoopMutex gc_mutex;