Mercurial > hg > graal-jvmci-8
view src/share/vm/memory/resourceArea.cpp @ 2226:c5a923563727
6912621: iCMS: Error: assert(_markBitMap.isMarked(addr + 1),"Missing Printezis bit?")
Summary: Fix block_size_if_printezis_bits() so it does not expect the bits, only uses them when available. Fix block_size_no_stall() so it does not stall when the bits are missing such cases, letting the caller deal with zero size returns. Constant pool cache oops do not need to be unparsable or conc_unsafe after their klass pointer is installed. Some cosmetic clean-ups and some assertion checking for conc-usafety which, in the presence of class file redefinition, has no a-priori time boundedness, so all GCs must be able to safely deal with putatively conc-unsafe objects in a stop-world pause.
Reviewed-by: jmasa, johnc
author | ysr |
---|---|
date | Mon, 07 Feb 2011 22:19:57 -0800 |
parents | f95d63e2154a |
children | f08d439fab8c |
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/* * Copyright (c) 1997, 2010, 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" #include "memory/allocation.inline.hpp" #include "memory/resourceArea.hpp" #include "runtime/mutexLocker.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 //------------------------------ResourceMark----------------------------------- debug_only(int ResourceArea::_warned;) // to suppress multiple warnings // The following routines are declared in allocation.hpp and used everywhere: // Allocation in thread-local resource area extern char* resource_allocate_bytes(size_t size) { return Thread::current()->resource_area()->allocate_bytes(size); } extern char* resource_allocate_bytes(Thread* thread, size_t size) { return thread->resource_area()->allocate_bytes(size); } extern char* resource_reallocate_bytes( char *old, size_t old_size, size_t new_size){ return (char*)Thread::current()->resource_area()->Arealloc(old, old_size, new_size); } extern void resource_free_bytes( char *old, size_t size ) { Thread::current()->resource_area()->Afree(old, size); } #ifdef ASSERT ResourceMark::ResourceMark(Thread *thread) { assert(thread == Thread::current(), "not the current thread"); initialize(thread); } DeoptResourceMark::DeoptResourceMark(Thread *thread) { assert(thread == Thread::current(), "not the current thread"); initialize(thread); } #endif //------------------------------------------------------------------------------- // Non-product code #ifndef PRODUCT void ResourceMark::free_malloced_objects() { Arena::free_malloced_objects(_chunk, _hwm, _max, _area->_hwm); } void DeoptResourceMark::free_malloced_objects() { Arena::free_malloced_objects(_chunk, _hwm, _max, _area->_hwm); } #endif