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24 #ifndef __MONO_SGEN_CARD_TABLE_INLINES_H__
25 #define __MONO_SGEN_CARD_TABLE_INLINES_H__
27 #define SGEN_HAVE_CARDTABLE 1
29 #if SIZEOF_VOID_P == 8
30 #define SGEN_HAVE_OVERLAPPING_CARDS 1
33 #ifdef SGEN_HAVE_CARDTABLE
35 void sgen_card_table_reset_region (mword start, mword end) MONO_INTERNAL;
36 void* sgen_card_table_align_pointer (void *ptr) MONO_INTERNAL;
37 void sgen_card_table_mark_address (mword address) MONO_INTERNAL;
38 void sgen_card_table_mark_range (mword address, mword size) MONO_INTERNAL;
39 void sgen_cardtable_scan_object (char *obj, mword obj_size, guint8 *cards, SgenGrayQueue *queue) MONO_INTERNAL;
40 void sgen_card_table_get_card_data (guint8 *dest, mword address, mword cards) MONO_INTERNAL;
41 typedef void (*sgen_cardtable_block_callback) (mword start, mword size);
44 #define CARD_SIZE_IN_BYTES (1 << CARD_BITS)
45 #define CARD_COUNT_BITS (32 - 9)
46 #define CARD_COUNT_IN_BYTES (1 << CARD_COUNT_BITS)
47 #define CARD_MASK ((1 << CARD_COUNT_BITS) - 1)
49 extern guint8 *sgen_cardtable MONO_INTERNAL;
52 #ifdef SGEN_HAVE_OVERLAPPING_CARDS
55 sgen_card_table_get_card_address (mword address)
57 return sgen_cardtable + ((address >> CARD_BITS) & CARD_MASK);
60 extern guint8 *sgen_shadow_cardtable MONO_INTERNAL;
63 sgen_card_table_get_shadow_card_address (mword address)
65 return sgen_shadow_cardtable + ((address >> CARD_BITS) & CARD_MASK);
68 static inline gboolean
69 sgen_card_table_card_begin_scanning (mword address)
71 return *sgen_card_table_get_shadow_card_address (address) != 0;
77 sgen_card_table_get_card_address (mword address)
79 return sgen_cardtable + (address >> CARD_BITS);
82 static inline gboolean
83 sgen_card_table_card_begin_scanning (mword address)
85 guint8 *card = sgen_card_table_get_card_address (address);