2 * sgen-pinning.h: All about pinning objects.
4 * Copyright 2011 Xamarin Inc (http://www.xamarin.com)
5 * Copyright (C) 2012 Xamarin Inc
7 * This library is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Library General Public
9 * License 2.0 as published by the Free Software Foundation;
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Library General Public License for more details.
16 * You should have received a copy of the GNU Library General Public
17 * License 2.0 along with this library; if not, write to the Free
18 * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
20 #ifndef __MONO_SGEN_PINNING_H__
21 #define __MONO_SGEN_PINNING_H__
23 #include "mono/sgen/sgen-pointer-queue.h"
32 void sgen_pin_stage_ptr (void *ptr);
33 void sgen_optimize_pin_queue (void);
34 void sgen_init_pinning (void);
35 void sgen_finish_pinning (void);
36 void sgen_pin_queue_clear_discarded_entries (GCMemSection *section, size_t max_pin_slot);
37 size_t sgen_get_pinned_count (void);
38 void sgen_pinning_setup_section (GCMemSection *section);
39 void sgen_pinning_trim_queue_to_section (GCMemSection *section);
41 void sgen_dump_pin_queue (void);
43 gboolean sgen_find_optimized_pin_queue_area (void *start, void *end, size_t *first_out, size_t *last_out);
44 void sgen_find_section_pin_queue_start_end (GCMemSection *section);
45 void** sgen_pinning_get_entry (size_t index);
46 void sgen_pin_objects_in_section (GCMemSection *section, ScanCopyContext ctx);
50 void sgen_pin_stats_register_address (char *addr, int pin_type);
51 size_t sgen_pin_stats_get_pinned_byte_count (int pin_type);
52 SgenPointerQueue *sgen_pin_stats_get_object_list (void);
53 void sgen_pin_stats_reset (void);
55 /* Perpetual pinning, aka cementing */
57 void sgen_cement_init (gboolean enabled);
58 void sgen_cement_reset (void);
59 gboolean sgen_cement_lookup (GCObject *obj);
60 gboolean sgen_cement_lookup_or_register (GCObject *obj);
61 void sgen_pin_cemented_objects (void);
62 void sgen_cement_clear_below_threshold (void);