Mercurial > hg > graal-compiler
view src/share/vm/memory/blockOffsetTable.inline.hpp @ 13390:d61a1a166f44
8028347: Rewriter::scan_method asserts with array oob in RT_Baseline
Summary: Fix reversing rewriting for invokespecial
Reviewed-by: jrose, hseigel
author | coleenp |
---|---|
date | Fri, 15 Nov 2013 17:20:22 -0500 |
parents | da91efe96a93 |
children |
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/* * Copyright (c) 2000, 2012, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. * */ #ifndef SHARE_VM_MEMORY_BLOCKOFFSETTABLE_INLINE_HPP #define SHARE_VM_MEMORY_BLOCKOFFSETTABLE_INLINE_HPP #include "memory/blockOffsetTable.hpp" #include "memory/space.hpp" #include "runtime/safepoint.hpp" ////////////////////////////////////////////////////////////////////////// // BlockOffsetTable inlines ////////////////////////////////////////////////////////////////////////// inline HeapWord* BlockOffsetTable::block_start(const void* addr) const { if (addr >= _bottom && addr < _end) { return block_start_unsafe(addr); } else { return NULL; } } ////////////////////////////////////////////////////////////////////////// // BlockOffsetSharedArray inlines ////////////////////////////////////////////////////////////////////////// inline size_t BlockOffsetSharedArray::index_for(const void* p) const { char* pc = (char*)p; assert(pc >= (char*)_reserved.start() && pc < (char*)_reserved.end(), "p not in range."); size_t delta = pointer_delta(pc, _reserved.start(), sizeof(char)); size_t result = delta >> LogN; assert(result < _vs.committed_size(), "bad index from address"); return result; } inline HeapWord* BlockOffsetSharedArray::address_for_index(size_t index) const { assert(index < _vs.committed_size(), "bad index"); HeapWord* result = _reserved.start() + (index << LogN_words); assert(result >= _reserved.start() && result < _reserved.end(), "bad address from index"); return result; } inline void BlockOffsetSharedArray::check_reducing_assertion(bool reducing) { assert(reducing || !SafepointSynchronize::is_at_safepoint() || init_to_zero() || Thread::current()->is_VM_thread() || Thread::current()->is_ConcurrentGC_thread() || ((!Thread::current()->is_ConcurrentGC_thread()) && ParGCRareEvent_lock->owned_by_self()), "Crack"); } ////////////////////////////////////////////////////////////////////////// // BlockOffsetArrayNonContigSpace inlines ////////////////////////////////////////////////////////////////////////// inline void BlockOffsetArrayNonContigSpace::freed(HeapWord* blk, size_t size) { freed(blk, blk + size); } inline void BlockOffsetArrayNonContigSpace::freed(HeapWord* blk_start, HeapWord* blk_end) { // Verify that the BOT shows [blk_start, blk_end) to be one block. verify_single_block(blk_start, blk_end); // adjust _unallocated_block upward or downward // as appropriate if (BlockOffsetArrayUseUnallocatedBlock) { assert(_unallocated_block <= _end, "Inconsistent value for _unallocated_block"); if (blk_end >= _unallocated_block && blk_start <= _unallocated_block) { // CMS-specific note: a block abutting _unallocated_block to // its left is being freed, a new block is being added or // we are resetting following a compaction _unallocated_block = blk_start; } } } #endif // SHARE_VM_MEMORY_BLOCKOFFSETTABLE_INLINE_HPP