Mercurial > hg > graal-compiler
view src/share/vm/memory/freeBlockDictionary.cpp @ 7172:bbc14465e7db
8003689: MemTracker::init_tracking_options() reads outside array if commandline argument is empty
Summary: Fixed potential buffer overrun when giving empty option to NativeMemoryTracking commandline option
Reviewed-by: ctornqvi, hseigel, kvn
author | zgu |
---|---|
date | Wed, 28 Nov 2012 09:19:38 -0500 |
parents | 685df3c6f84b |
children | f34d701e952e |
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/* * Copyright (c) 2002, 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. * */ #include "precompiled.hpp" #ifndef SERIALGC #include "gc_implementation/concurrentMarkSweep/freeChunk.hpp" #endif // SERIALGC #include "memory/freeBlockDictionary.hpp" #include "memory/metablock.hpp" #include "memory/metachunk.hpp" #ifdef TARGET_OS_FAMILY_linux # include "thread_linux.inline.hpp" #endif #ifdef TARGET_OS_FAMILY_solaris # include "thread_solaris.inline.hpp" #endif #ifdef TARGET_OS_FAMILY_windows # include "thread_windows.inline.hpp" #endif #ifdef TARGET_OS_FAMILY_bsd # include "thread_bsd.inline.hpp" #endif #ifndef PRODUCT template <class Chunk> Mutex* FreeBlockDictionary<Chunk>::par_lock() const { return _lock; } template <class Chunk> void FreeBlockDictionary<Chunk>::set_par_lock(Mutex* lock) { _lock = lock; } template <class Chunk> void FreeBlockDictionary<Chunk>::verify_par_locked() const { #ifdef ASSERT if (ParallelGCThreads > 0) { Thread* my_thread = Thread::current(); if (my_thread->is_GC_task_thread()) { assert(par_lock() != NULL, "Should be using locking?"); assert_lock_strong(par_lock()); } } #endif // ASSERT } #endif template class FreeBlockDictionary<Metablock>; template class FreeBlockDictionary<Metachunk>; #ifndef SERIALGC // Explicitly instantiate for FreeChunk template class FreeBlockDictionary<FreeChunk>; #endif // SERIALGC