* 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__
extern unsigned int sgen_global_stop_count;
+#define SGEN_ALIGN_UP_TO(val,align) (((val) + (align - 1)) & ~(align - 1))
+#define SGEN_ALIGN_DOWN_TO(val,align) ((val) & ~(align - 1))
+
#define SGEN_ALLOC_ALIGN 8
#define SGEN_ALLOC_ALIGN_BITS 3
/* s must be non-negative */
#define SGEN_CAN_ALIGN_UP(s) ((s) <= SIZE_MAX - (SGEN_ALLOC_ALIGN - 1))
-#define SGEN_ALIGN_UP(s) (((s)+(SGEN_ALLOC_ALIGN-1)) & ~(SGEN_ALLOC_ALIGN-1))
+#define SGEN_ALIGN_UP(s) SGEN_ALIGN_UP_TO(s, SGEN_ALLOC_ALIGN)
+#define SGEN_ALIGN_DOWN(s) SGEN_ALIGN_DOWN_TO(s, SGEN_ALLOC_ALIGN)
#if SIZEOF_VOID_P == 4
#define ONE_P 1
INTERNAL_MEM_CARDTABLE_MOD_UNION,
INTERNAL_MEM_BINARY_PROTOCOL,
INTERNAL_MEM_TEMPORARY,
+ INTERNAL_MEM_LOG_ENTRY,
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? */
/* 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)
{
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 (*update_cardtable_mod_union) (void);
void (*init_to_space) (void);
void sgen_pin_object (GCObject *object, SgenGrayQueue *queue);
void sgen_set_pinned_from_failed_allocation (mword objsize);
-void sgen_ensure_free_space (size_t size);
+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);
/* 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;