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Issue 23039014: Hook-allocation on bleeding edge (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
Patch Set: Created 7 years, 4 months 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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1691 // Returns the allocation pointer in this space. 1691 // Returns the allocation pointer in this space.
1692 Address top() { return allocation_info_.top; } 1692 Address top() { return allocation_info_.top; }
1693 Address limit() { return allocation_info_.limit; } 1693 Address limit() { return allocation_info_.limit; }
1694 1694
1695 // The allocation top and limit addresses. 1695 // The allocation top and limit addresses.
1696 Address* allocation_top_address() { return &allocation_info_.top; } 1696 Address* allocation_top_address() { return &allocation_info_.top; }
1697 Address* allocation_limit_address() { return &allocation_info_.limit; } 1697 Address* allocation_limit_address() { return &allocation_info_.limit; }
1698 1698
1699 // Allocate the requested number of bytes in the space if possible, return a 1699 // Allocate the requested number of bytes in the space if possible, return a
1700 // failure object if not. 1700 // failure object if not.
1701 inline HeapObject* AllocateRawHelper(int size_in_bytes);
1701 MUST_USE_RESULT inline MaybeObject* AllocateRaw(int size_in_bytes); 1702 MUST_USE_RESULT inline MaybeObject* AllocateRaw(int size_in_bytes);
1703 MUST_USE_RESULT inline MaybeObject* AllocateRawSilently(int size_in_bytes);
1702 1704
1703 virtual bool ReserveSpace(int bytes); 1705 virtual bool ReserveSpace(int bytes);
1704 1706
1705 // Give a block of memory to the space's free list. It might be added to 1707 // Give a block of memory to the space's free list. It might be added to
1706 // the free list or accounted as waste. 1708 // the free list or accounted as waste.
1707 // If add_to_freelist is false then just accounting stats are updated and 1709 // If add_to_freelist is false then just accounting stats are updated and
1708 // no attempt to add area to free list is made. 1710 // no attempt to add area to free list is made.
1709 int Free(Address start, int size_in_bytes) { 1711 int Free(Address start, int size_in_bytes) {
1710 int wasted = free_list_.Free(start, size_in_bytes); 1712 int wasted = free_list_.Free(start, size_in_bytes);
1711 accounting_stats_.DeallocateBytes(size_in_bytes - wasted); 1713 accounting_stats_.DeallocateBytes(size_in_bytes - wasted);
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2878 } 2880 }
2879 // Must be small, since an iteration is used for lookup. 2881 // Must be small, since an iteration is used for lookup.
2880 static const int kMaxComments = 64; 2882 static const int kMaxComments = 64;
2881 }; 2883 };
2882 #endif 2884 #endif
2883 2885
2884 2886
2885 } } // namespace v8::internal 2887 } } // namespace v8::internal
2886 2888
2887 #endif // V8_SPACES_H_ 2889 #endif // V8_SPACES_H_
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