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Issue 68663002: Move old-space allocation tracking into Heap::AllocateRaw. (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
Patch Set: Created 7 years, 1 month ago
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1 // Copyright 2011 the V8 project authors. All rights reserved. 1 // Copyright 2011 the V8 project authors. All rights reserved.
2 // Redistribution and use in source and binary forms, with or without 2 // Redistribution and use in source and binary forms, with or without
3 // modification, are permitted provided that the following conditions are 3 // modification, are permitted provided that the following conditions are
4 // met: 4 // met:
5 // 5 //
6 // * Redistributions of source code must retain the above copyright 6 // * Redistributions of source code must retain the above copyright
7 // notice, this list of conditions and the following disclaimer. 7 // notice, this list of conditions and the following disclaimer.
8 // * Redistributions in binary form must reproduce the above 8 // * Redistributions in binary form must reproduce the above
9 // copyright notice, this list of conditions and the following 9 // copyright notice, this list of conditions and the following
10 // disclaimer in the documentation and/or other materials provided 10 // disclaimer in the documentation and/or other materials provided
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1757 // The allocation top address. 1757 // The allocation top address.
1758 Address* allocation_top_address() { 1758 Address* allocation_top_address() {
1759 return allocation_info_.top_address(); 1759 return allocation_info_.top_address();
1760 } 1760 }
1761 1761
1762 // The allocation limit address. 1762 // The allocation limit address.
1763 Address* allocation_limit_address() { 1763 Address* allocation_limit_address() {
1764 return allocation_info_.limit_address(); 1764 return allocation_info_.limit_address();
1765 } 1765 }
1766 1766
1767 enum AllocationType {
1768 NEW_OBJECT,
1769 MOVE_OBJECT
1770 };
1771
1772 // Allocate the requested number of bytes in the space if possible, return a 1767 // Allocate the requested number of bytes in the space if possible, return a
1773 // failure object if not. 1768 // failure object if not.
1774 MUST_USE_RESULT inline MaybeObject* AllocateRaw( 1769 MUST_USE_RESULT inline MaybeObject* AllocateRaw(int size_in_bytes);
1775 int size_in_bytes,
1776 AllocationType event = NEW_OBJECT);
1777 1770
1778 virtual bool ReserveSpace(int bytes); 1771 virtual bool ReserveSpace(int bytes);
1779 1772
1780 // Give a block of memory to the space's free list. It might be added to 1773 // Give a block of memory to the space's free list. It might be added to
1781 // the free list or accounted as waste. 1774 // the free list or accounted as waste.
1782 // If add_to_freelist is false then just accounting stats are updated and 1775 // If add_to_freelist is false then just accounting stats are updated and
1783 // no attempt to add area to free list is made. 1776 // no attempt to add area to free list is made.
1784 int Free(Address start, int size_in_bytes) { 1777 int Free(Address start, int size_in_bytes) {
1785 int wasted = free_list_.Free(start, size_in_bytes); 1778 int wasted = free_list_.Free(start, size_in_bytes);
1786 accounting_stats_.DeallocateBytes(size_in_bytes - wasted); 1779 accounting_stats_.DeallocateBytes(size_in_bytes - wasted);
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2983 } 2976 }
2984 // Must be small, since an iteration is used for lookup. 2977 // Must be small, since an iteration is used for lookup.
2985 static const int kMaxComments = 64; 2978 static const int kMaxComments = 64;
2986 }; 2979 };
2987 #endif 2980 #endif
2988 2981
2989 2982
2990 } } // namespace v8::internal 2983 } } // namespace v8::internal
2991 2984
2992 #endif // V8_SPACES_H_ 2985 #endif // V8_SPACES_H_
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