1 /* 2 * Copyright (c) 2003, 2009, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 * 23 */ 24 25 # include "incls/_precompiled.incl" 26 # include "incls/_serialize.cpp.incl" 27 28 29 // Serialize out the block offset shared array for the shared spaces. 30 31 void CompactingPermGenGen::serialize_bts(SerializeOopClosure* soc) { 32 _ro_bts->serialize(soc, readonly_bottom, readonly_end); 33 _rw_bts->serialize(soc, readwrite_bottom, readwrite_end); 34 } 35 36 37 // Read/write a data stream for restoring/preserving oop pointers and 38 // miscellaneous data from/to the shared archive file. 39 40 void CompactingPermGenGen::serialize_oops(SerializeOopClosure* soc) { 41 int tag = 0; 42 soc->do_tag(--tag); 43 44 assert(!UseCompressedOops, "UseCompressedOops doesn't work with shared archive"); 45 // Verify the sizes of various oops in the system. 46 soc->do_tag(sizeof(oopDesc)); 47 soc->do_tag(sizeof(instanceOopDesc)); 48 soc->do_tag(sizeof(methodOopDesc)); 49 soc->do_tag(sizeof(constMethodOopDesc)); 50 soc->do_tag(sizeof(methodDataOopDesc)); 51 soc->do_tag(arrayOopDesc::base_offset_in_bytes(T_BYTE)); 52 soc->do_tag(sizeof(constantPoolOopDesc)); 53 soc->do_tag(sizeof(constantPoolCacheOopDesc)); 54 soc->do_tag(objArrayOopDesc::base_offset_in_bytes()); 55 soc->do_tag(typeArrayOopDesc::base_offset_in_bytes(T_BYTE)); 56 soc->do_tag(sizeof(symbolOopDesc)); 57 soc->do_tag(sizeof(klassOopDesc)); 58 soc->do_tag(sizeof(markOopDesc)); 59 soc->do_tag(sizeof(compiledICHolderOopDesc)); 60 61 // Dump the block offset table entries. 62 GenCollectedHeap* gch = GenCollectedHeap::heap(); 63 CompactingPermGenGen* pg = (CompactingPermGenGen*)gch->perm_gen(); 64 pg->serialize_bts(soc); 65 soc->do_tag(--tag); 66 pg->ro_space()->serialize_block_offset_array_offsets(soc); 67 soc->do_tag(--tag); 68 pg->rw_space()->serialize_block_offset_array_offsets(soc); 69 soc->do_tag(--tag); 70 71 // Special case - this oop needed in oop->is_oop() assertions. 72 soc->do_ptr((void**)&Universe::_klassKlassObj); 73 soc->do_tag(--tag); 74 75 // Dump/restore miscellaneous oops. 76 Universe::oops_do(soc, true); 77 soc->do_tag(--tag); 78 79 vmSymbols::oops_do(soc, true); soc->do_tag(--tag); 80 CodeCache::oops_do(soc); soc->do_tag(--tag); 81 soc->do_tag(666); 82 }