src/share/vm/memory/serialize.cpp

Wed, 22 Oct 2008 14:48:08 -0400

author
acorn
date
Wed, 22 Oct 2008 14:48:08 -0400
changeset 843
52e32c8b317e
parent 631
d1605aabd0a1
child 1330
94b6d06fd759
permissions
-rw-r--r--

6761092: jvm crashes when CDS is enabled.
Summary: CDS hardcoded max c++ virtual method table increased
Reviewed-by: coleenp, xlu, jmasa

duke@435 1 /*
xdono@631 2 * Copyright 2003-2008 Sun Microsystems, Inc. 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 *
duke@435 19 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
duke@435 20 * CA 95054 USA or visit www.sun.com if you need additional information or
duke@435 21 * have any questions.
duke@435 22 *
duke@435 23 */
duke@435 24
duke@435 25 # include "incls/_precompiled.incl"
duke@435 26 # include "incls/_serialize.cpp.incl"
duke@435 27
duke@435 28
duke@435 29 // Serialize out the block offset shared array for the shared spaces.
duke@435 30
duke@435 31 void CompactingPermGenGen::serialize_bts(SerializeOopClosure* soc) {
duke@435 32 _ro_bts->serialize(soc, readonly_bottom, readonly_end);
duke@435 33 _rw_bts->serialize(soc, readwrite_bottom, readwrite_end);
duke@435 34 }
duke@435 35
duke@435 36
duke@435 37 // Read/write a data stream for restoring/preserving oop pointers and
duke@435 38 // miscellaneous data from/to the shared archive file.
duke@435 39
duke@435 40 void CompactingPermGenGen::serialize_oops(SerializeOopClosure* soc) {
duke@435 41 int tag = 0;
duke@435 42 soc->do_tag(--tag);
duke@435 43
coleenp@548 44 assert(!UseCompressedOops, "UseCompressedOops doesn't work with shared archive");
duke@435 45 // Verify the sizes of various oops in the system.
duke@435 46 soc->do_tag(sizeof(oopDesc));
duke@435 47 soc->do_tag(sizeof(instanceOopDesc));
duke@435 48 soc->do_tag(sizeof(methodOopDesc));
duke@435 49 soc->do_tag(sizeof(constMethodOopDesc));
duke@435 50 soc->do_tag(sizeof(methodDataOopDesc));
coleenp@548 51 soc->do_tag(arrayOopDesc::base_offset_in_bytes(T_BYTE));
duke@435 52 soc->do_tag(sizeof(constantPoolOopDesc));
duke@435 53 soc->do_tag(sizeof(constantPoolCacheOopDesc));
coleenp@548 54 soc->do_tag(objArrayOopDesc::base_offset_in_bytes(T_BYTE));
coleenp@548 55 soc->do_tag(typeArrayOopDesc::base_offset_in_bytes(T_BYTE));
duke@435 56 soc->do_tag(sizeof(symbolOopDesc));
duke@435 57 soc->do_tag(sizeof(klassOopDesc));
duke@435 58 soc->do_tag(sizeof(markOopDesc));
duke@435 59 soc->do_tag(sizeof(compiledICHolderOopDesc));
duke@435 60
duke@435 61 // Dump the block offset table entries.
duke@435 62 GenCollectedHeap* gch = GenCollectedHeap::heap();
duke@435 63 CompactingPermGenGen* pg = (CompactingPermGenGen*)gch->perm_gen();
duke@435 64 pg->serialize_bts(soc);
duke@435 65 soc->do_tag(--tag);
duke@435 66 pg->ro_space()->serialize_block_offset_array_offsets(soc);
duke@435 67 soc->do_tag(--tag);
duke@435 68 pg->rw_space()->serialize_block_offset_array_offsets(soc);
duke@435 69 soc->do_tag(--tag);
duke@435 70
duke@435 71 // Special case - this oop needed in oop->is_oop() assertions.
duke@435 72 soc->do_ptr((void**)&Universe::_klassKlassObj);
duke@435 73 soc->do_tag(--tag);
duke@435 74
duke@435 75 // Dump/restore miscellaneous oops.
duke@435 76 Universe::oops_do(soc, true);
duke@435 77 soc->do_tag(--tag);
duke@435 78
duke@435 79 vmSymbols::oops_do(soc, true); soc->do_tag(--tag);
duke@435 80 CodeCache::oops_do(soc); soc->do_tag(--tag);
duke@435 81 soc->do_tag(666);
duke@435 82 }

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