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23 #ifndef __MONO_SGEN_LAYOUT_STATS_H__
24 #define __MONO_SGEN_LAYOUT_STATS_H__
26 #ifdef SGEN_OBJECT_LAYOUT_STATISTICS
28 #define SGEN_OBJECT_LAYOUT_BITMAP_BITS 16
30 void sgen_object_layout_scanned_bitmap (unsigned int bitmap);
31 void sgen_object_layout_scanned_bitmap_overflow (void);
32 void sgen_object_layout_scanned_ref_array (void);
33 void sgen_object_layout_scanned_vtype_array (void);
35 void sgen_object_layout_dump (FILE *out);
37 #define SGEN_OBJECT_LAYOUT_STATISTICS_DECLARE_BITMAP unsigned int __object_layout_bitmap = 0
38 #define SGEN_OBJECT_LAYOUT_STATISTICS_MARK_BITMAP(o,p) do { \
39 int __index = ((void**)(p)) - ((void**)(((char*)(o)) + SGEN_CLIENT_OBJECT_HEADER_SIZE)); \
40 if (__index >= SGEN_OBJECT_LAYOUT_BITMAP_BITS) \
41 __object_layout_bitmap = (unsigned int)-1; \
42 else if (__object_layout_bitmap != (unsigned int)-1) \
43 __object_layout_bitmap |= (1 << __index); \
45 #define SGEN_OBJECT_LAYOUT_STATISTICS_COMMIT_BITMAP do { \
46 if (__object_layout_bitmap == (unsigned int)-1) \
47 sgen_object_layout_scanned_bitmap_overflow (); \
49 sgen_object_layout_scanned_bitmap (__object_layout_bitmap); \
54 #define sgen_object_layout_scanned_bitmap(bitmap)
55 #define sgen_object_layout_scanned_bitmap_overflow()
56 #define sgen_object_layout_scanned_ref_array()
57 #define sgen_object_layout_scanned_vtype_array()
59 #define sgen_object_layout_dump(out)
61 #define SGEN_OBJECT_LAYOUT_STATISTICS_DECLARE_BITMAP
62 #define SGEN_OBJECT_LAYOUT_STATISTICS_MARK_BITMAP(o,p)
63 #define SGEN_OBJECT_LAYOUT_STATISTICS_COMMIT_BITMAP