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src/share/vm/memory/serialize.cpp@749b1464aa81 (annotated)

src/share/vm/memory/serialize.cpp

Sun, 01 Apr 2012 17:04:26 -0400

author

acorn

date

Sun, 01 Apr 2012 17:04:26 -0400

changeset 3686

749b1464aa81

parent 2708

1d1603768966

permissions

-rw-r--r--

Merge

duke@435	1	/*
trims@2708	2	* Copyright (c) 2003, 2011, 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 "classfile/symbolTable.hpp"
stefank@2314	27	#include "classfile/systemDictionary.hpp"
stefank@2314	28	#include "code/codeCache.hpp"
stefank@2314	29	#include "memory/classify.hpp"
stefank@2314	30	#include "memory/compactingPermGenGen.hpp"
stefank@2314	31	#include "oops/compiledICHolderOop.hpp"
stefank@2314	32	#include "oops/methodDataOop.hpp"
stefank@2314	33	#include "oops/objArrayOop.hpp"
stefank@2314	34	#include "oops/oop.inline.hpp"
duke@435	35
duke@435	36
duke@435	37	// Serialize out the block offset shared array for the shared spaces.
duke@435	38
duke@435	39	void CompactingPermGenGen::serialize_bts(SerializeOopClosure* soc) {
duke@435	40	_ro_bts->serialize(soc, readonly_bottom, readonly_end);
duke@435	41	_rw_bts->serialize(soc, readwrite_bottom, readwrite_end);
duke@435	42	}
duke@435	43
duke@435	44
duke@435	45	// Read/write a data stream for restoring/preserving oop pointers and
duke@435	46	// miscellaneous data from/to the shared archive file.
duke@435	47
duke@435	48	void CompactingPermGenGen::serialize_oops(SerializeOopClosure* soc) {
duke@435	49	int tag = 0;
duke@435	50	soc->do_tag(--tag);
duke@435	51
coleenp@548	52	assert(!UseCompressedOops, "UseCompressedOops doesn't work with shared archive");
duke@435	53	// Verify the sizes of various oops in the system.
duke@435	54	soc->do_tag(sizeof(oopDesc));
duke@435	55	soc->do_tag(sizeof(instanceOopDesc));
duke@435	56	soc->do_tag(sizeof(methodOopDesc));
duke@435	57	soc->do_tag(sizeof(constMethodOopDesc));
duke@435	58	soc->do_tag(sizeof(methodDataOopDesc));
coleenp@548	59	soc->do_tag(arrayOopDesc::base_offset_in_bytes(T_BYTE));
duke@435	60	soc->do_tag(sizeof(constantPoolOopDesc));
duke@435	61	soc->do_tag(sizeof(constantPoolCacheOopDesc));
twisti@1330	62	soc->do_tag(objArrayOopDesc::base_offset_in_bytes());
coleenp@548	63	soc->do_tag(typeArrayOopDesc::base_offset_in_bytes(T_BYTE));
coleenp@2497	64	soc->do_tag(sizeof(Symbol));
duke@435	65	soc->do_tag(sizeof(klassOopDesc));
duke@435	66	soc->do_tag(sizeof(markOopDesc));
duke@435	67	soc->do_tag(sizeof(compiledICHolderOopDesc));
duke@435	68
duke@435	69	// Dump the block offset table entries.
duke@435	70	GenCollectedHeap* gch = GenCollectedHeap::heap();
duke@435	71	CompactingPermGenGen* pg = (CompactingPermGenGen*)gch->perm_gen();
duke@435	72	pg->serialize_bts(soc);
duke@435	73	soc->do_tag(--tag);
duke@435	74	pg->ro_space()->serialize_block_offset_array_offsets(soc);
duke@435	75	soc->do_tag(--tag);
duke@435	76	pg->rw_space()->serialize_block_offset_array_offsets(soc);
duke@435	77	soc->do_tag(--tag);
duke@435	78
duke@435	79	// Special case - this oop needed in oop->is_oop() assertions.
duke@435	80	soc->do_ptr((void**)&Universe::_klassKlassObj);
duke@435	81	soc->do_tag(--tag);
duke@435	82
duke@435	83	// Dump/restore miscellaneous oops.
duke@435	84	Universe::oops_do(soc, true);
duke@435	85	soc->do_tag(--tag);
coleenp@2497	86	CodeCache::oops_do(soc);
coleenp@2497	87	soc->do_tag(--tag);
duke@435	88
coleenp@2497	89	// Dump/restore references to commonly used names and signatures.
coleenp@2497	90	vmSymbols::serialize(soc);
coleenp@2497	91	soc->do_tag(--tag);
coleenp@2497	92
duke@435	93	soc->do_tag(666);
duke@435	94	}