/**
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* \file
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* Copyright Xamarin Inc (http://www.xamarin.com)
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*
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* Licensed under the MIT license. See LICENSE file in the project root for full license information.
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*/
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#ifndef __MONO_SGEN_LAYOUT_STATS_H__
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#define __MONO_SGEN_LAYOUT_STATS_H__
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#ifdef SGEN_OBJECT_LAYOUT_STATISTICS
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#define SGEN_OBJECT_LAYOUT_BITMAP_BITS 16
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void sgen_object_layout_scanned_bitmap (unsigned int bitmap);
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void sgen_object_layout_scanned_bitmap_overflow (void);
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void sgen_object_layout_scanned_ref_array (void);
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void sgen_object_layout_scanned_vtype_array (void);
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void sgen_object_layout_dump (FILE *out);
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#define SGEN_OBJECT_LAYOUT_STATISTICS_DECLARE_BITMAP unsigned int __object_layout_bitmap = 0
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#define SGEN_OBJECT_LAYOUT_STATISTICS_MARK_BITMAP(o,p) do { \
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int __index = ((void**)(p)) - ((void**)(((char*)(o)) + SGEN_CLIENT_OBJECT_HEADER_SIZE)); \
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if (__index >= SGEN_OBJECT_LAYOUT_BITMAP_BITS) \
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__object_layout_bitmap = (unsigned int)-1; \
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else if (__object_layout_bitmap != (unsigned int)-1) \
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__object_layout_bitmap |= (1 << __index); \
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} while (0)
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#define SGEN_OBJECT_LAYOUT_STATISTICS_COMMIT_BITMAP do { \
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if (__object_layout_bitmap == (unsigned int)-1) \
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sgen_object_layout_scanned_bitmap_overflow (); \
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else \
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sgen_object_layout_scanned_bitmap (__object_layout_bitmap); \
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} while (0)
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#else
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#define sgen_object_layout_scanned_bitmap(bitmap)
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#define sgen_object_layout_scanned_bitmap_overflow()
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#define sgen_object_layout_scanned_ref_array()
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#define sgen_object_layout_scanned_vtype_array()
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#define sgen_object_layout_dump(out)
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#define SGEN_OBJECT_LAYOUT_STATISTICS_DECLARE_BITMAP
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#define SGEN_OBJECT_LAYOUT_STATISTICS_MARK_BITMAP(o,p)
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#define SGEN_OBJECT_LAYOUT_STATISTICS_COMMIT_BITMAP
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#endif
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#endif
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