/*
* Copyright (c) 2003, 2011, 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 "classfile/symbolTable.hpp"
#include "classfile/systemDictionary.hpp"
#include "code/codeCache.hpp"
#include "memory/classify.hpp"
#include "memory/compactingPermGenGen.hpp"
#include "oops/compiledICHolderOop.hpp"
#include "oops/methodDataOop.hpp"
#include "oops/objArrayOop.hpp"
#include "oops/oop.inline.hpp"
// Serialize out the block offset shared array for the shared spaces.
void CompactingPermGenGen::serialize_bts(SerializeOopClosure* soc) {
_ro_bts->serialize(soc, readonly_bottom, readonly_end);
_rw_bts->serialize(soc, readwrite_bottom, readwrite_end);
}
// Read/write a data stream for restoring/preserving oop pointers and
// miscellaneous data from/to the shared archive file.
void CompactingPermGenGen::serialize_oops(SerializeOopClosure* soc) {
int tag = 0;
soc->do_tag(--tag);
assert(!UseCompressedOops, "UseCompressedOops doesn't work with shared archive");
// Verify the sizes of various oops in the system.
soc->do_tag(sizeof(oopDesc));
soc->do_tag(sizeof(instanceOopDesc));
soc->do_tag(sizeof(methodOopDesc));
soc->do_tag(sizeof(constMethodOopDesc));
soc->do_tag(sizeof(methodDataOopDesc));
soc->do_tag(arrayOopDesc::base_offset_in_bytes(T_BYTE));
soc->do_tag(sizeof(constantPoolOopDesc));
soc->do_tag(sizeof(constantPoolCacheOopDesc));
soc->do_tag(objArrayOopDesc::base_offset_in_bytes());
soc->do_tag(typeArrayOopDesc::base_offset_in_bytes(T_BYTE));
soc->do_tag(sizeof(Symbol));
soc->do_tag(sizeof(klassOopDesc));
soc->do_tag(sizeof(markOopDesc));
soc->do_tag(sizeof(compiledICHolderOopDesc));
// Dump the block offset table entries.
GenCollectedHeap* gch = GenCollectedHeap::heap();
CompactingPermGenGen* pg = (CompactingPermGenGen*)gch->perm_gen();
pg->serialize_bts(soc);
soc->do_tag(--tag);
pg->ro_space()->serialize_block_offset_array_offsets(soc);
soc->do_tag(--tag);
pg->rw_space()->serialize_block_offset_array_offsets(soc);
soc->do_tag(--tag);
// Special case - this oop needed in oop->is_oop() assertions.
soc->do_ptr((void**)&Universe::_klassKlassObj);
soc->do_tag(--tag);
// Dump/restore miscellaneous oops.
Universe::oops_do(soc, true);
soc->do_tag(--tag);
CodeCache::oops_do(soc);
soc->do_tag(--tag);
// Dump/restore references to commonly used names and signatures.
vmSymbols::serialize(soc);
soc->do_tag(--tag);
soc->do_tag(666);
}