Wed, 15 Feb 2012 10:12:55 -0800
7145537: minor tweaks to LogEvents
Reviewed-by: kvn, twisti
1 /*
2 * Copyright (c) 2003, 2011, 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 */
25 #include "precompiled.hpp"
26 #include "classfile/symbolTable.hpp"
27 #include "classfile/systemDictionary.hpp"
28 #include "code/codeCache.hpp"
29 #include "memory/classify.hpp"
30 #include "memory/compactingPermGenGen.hpp"
31 #include "oops/compiledICHolderOop.hpp"
32 #include "oops/methodDataOop.hpp"
33 #include "oops/objArrayOop.hpp"
34 #include "oops/oop.inline.hpp"
37 // Serialize out the block offset shared array for the shared spaces.
39 void CompactingPermGenGen::serialize_bts(SerializeOopClosure* soc) {
40 _ro_bts->serialize(soc, readonly_bottom, readonly_end);
41 _rw_bts->serialize(soc, readwrite_bottom, readwrite_end);
42 }
45 // Read/write a data stream for restoring/preserving oop pointers and
46 // miscellaneous data from/to the shared archive file.
48 void CompactingPermGenGen::serialize_oops(SerializeOopClosure* soc) {
49 int tag = 0;
50 soc->do_tag(--tag);
52 assert(!UseCompressedOops, "UseCompressedOops doesn't work with shared archive");
53 // Verify the sizes of various oops in the system.
54 soc->do_tag(sizeof(oopDesc));
55 soc->do_tag(sizeof(instanceOopDesc));
56 soc->do_tag(sizeof(methodOopDesc));
57 soc->do_tag(sizeof(constMethodOopDesc));
58 soc->do_tag(sizeof(methodDataOopDesc));
59 soc->do_tag(arrayOopDesc::base_offset_in_bytes(T_BYTE));
60 soc->do_tag(sizeof(constantPoolOopDesc));
61 soc->do_tag(sizeof(constantPoolCacheOopDesc));
62 soc->do_tag(objArrayOopDesc::base_offset_in_bytes());
63 soc->do_tag(typeArrayOopDesc::base_offset_in_bytes(T_BYTE));
64 soc->do_tag(sizeof(Symbol));
65 soc->do_tag(sizeof(klassOopDesc));
66 soc->do_tag(sizeof(markOopDesc));
67 soc->do_tag(sizeof(compiledICHolderOopDesc));
69 // Dump the block offset table entries.
70 GenCollectedHeap* gch = GenCollectedHeap::heap();
71 CompactingPermGenGen* pg = (CompactingPermGenGen*)gch->perm_gen();
72 pg->serialize_bts(soc);
73 soc->do_tag(--tag);
74 pg->ro_space()->serialize_block_offset_array_offsets(soc);
75 soc->do_tag(--tag);
76 pg->rw_space()->serialize_block_offset_array_offsets(soc);
77 soc->do_tag(--tag);
79 // Special case - this oop needed in oop->is_oop() assertions.
80 soc->do_ptr((void**)&Universe::_klassKlassObj);
81 soc->do_tag(--tag);
83 // Dump/restore miscellaneous oops.
84 Universe::oops_do(soc, true);
85 soc->do_tag(--tag);
86 CodeCache::oops_do(soc);
87 soc->do_tag(--tag);
89 // Dump/restore references to commonly used names and signatures.
90 vmSymbols::serialize(soc);
91 soc->do_tag(--tag);
93 soc->do_tag(666);
94 }