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src/share/vm/memory/resourceArea.cpp@ec98e58952b2 (annotated)

src/share/vm/memory/resourceArea.cpp

Tue, 11 Sep 2012 14:59:23 +0200

author

stefank

date

Tue, 11 Sep 2012 14:59:23 +0200

changeset 4050

ec98e58952b2

parent 3156

f08d439fab8c

child 4183

7b5885dadbdc

permissions

-rw-r--r--

7197350: NPG: jvmtiHeapReferenceCallback receives incorrect reference_kind for system class roots
Summary: Fix the iteration over the system classes and report the correct reference kind.
Reviewed-by: coleenp, rbackman

duke@435	1	/*
stefank@2314	2	* Copyright (c) 1997, 2010, Oracle and/or its affiliates. All rights reserved.
duke@435	3	* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
duke@435	4	*
duke@435	5	* This code is free software; you can redistribute it and/or modify it
duke@435	6	* under the terms of the GNU General Public License version 2 only, as
duke@435	7	* published by the Free Software Foundation.
duke@435	8	*
duke@435	9	* This code is distributed in the hope that it will be useful, but WITHOUT
duke@435	10	* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
duke@435	11	* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
duke@435	12	* version 2 for more details (a copy is included in the LICENSE file that
duke@435	13	* accompanied this code).
duke@435	14	*
duke@435	15	* You should have received a copy of the GNU General Public License version
duke@435	16	* 2 along with this work; if not, write to the Free Software Foundation,
duke@435	17	* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
duke@435	18	*
trims@1907	19	* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
trims@1907	20	* or visit www.oracle.com if you need additional information or have any
trims@1907	21	* questions.
duke@435	22	*
duke@435	23	*/
duke@435	24
stefank@2314	25	#include "precompiled.hpp"
stefank@2314	26	#include "memory/allocation.inline.hpp"
stefank@2314	27	#include "memory/resourceArea.hpp"
stefank@2314	28	#include "runtime/mutexLocker.hpp"
stefank@2314	29	#ifdef TARGET_OS_FAMILY_linux
stefank@2314	30	# include "thread_linux.inline.hpp"
stefank@2314	31	#endif
stefank@2314	32	#ifdef TARGET_OS_FAMILY_solaris
stefank@2314	33	# include "thread_solaris.inline.hpp"
stefank@2314	34	#endif
stefank@2314	35	#ifdef TARGET_OS_FAMILY_windows
stefank@2314	36	# include "thread_windows.inline.hpp"
stefank@2314	37	#endif
never@3156	38	#ifdef TARGET_OS_FAMILY_bsd
never@3156	39	# include "thread_bsd.inline.hpp"
never@3156	40	#endif
duke@435	41
duke@435	42	//------------------------------ResourceMark-----------------------------------
duke@435	43	debug_only(int ResourceArea::_warned;) // to suppress multiple warnings
duke@435	44
duke@435	45	// The following routines are declared in allocation.hpp and used everywhere:
duke@435	46
duke@435	47	// Allocation in thread-local resource area
duke@435	48	extern char* resource_allocate_bytes(size_t size) {
duke@435	49	return Thread::current()->resource_area()->allocate_bytes(size);
duke@435	50	}
duke@435	51	extern char* resource_allocate_bytes(Thread* thread, size_t size) {
duke@435	52	return thread->resource_area()->allocate_bytes(size);
duke@435	53	}
duke@435	54
duke@435	55	extern char* resource_reallocate_bytes( char *old, size_t old_size, size_t new_size){
duke@435	56	return (char*)Thread::current()->resource_area()->Arealloc(old, old_size, new_size);
duke@435	57	}
duke@435	58
duke@435	59	extern void resource_free_bytes( char *old, size_t size ) {
duke@435	60	Thread::current()->resource_area()->Afree(old, size);
duke@435	61	}
duke@435	62
duke@435	63	#ifdef ASSERT
duke@435	64	ResourceMark::ResourceMark(Thread *thread) {
duke@435	65	assert(thread == Thread::current(), "not the current thread");
duke@435	66	initialize(thread);
duke@435	67	}
duke@435	68
duke@435	69	DeoptResourceMark::DeoptResourceMark(Thread *thread) {
duke@435	70	assert(thread == Thread::current(), "not the current thread");
duke@435	71	initialize(thread);
duke@435	72	}
duke@435	73	#endif
duke@435	74
duke@435	75
duke@435	76	//-------------------------------------------------------------------------------
duke@435	77	// Non-product code
duke@435	78	#ifndef PRODUCT
duke@435	79
duke@435	80	void ResourceMark::free_malloced_objects() {
duke@435	81	Arena::free_malloced_objects(_chunk, _hwm, _max, _area->_hwm);
duke@435	82	}
duke@435	83
duke@435	84	void DeoptResourceMark::free_malloced_objects() {
duke@435	85	Arena::free_malloced_objects(_chunk, _hwm, _max, _area->_hwm);
duke@435	86	}
duke@435	87
duke@435	88	#endif