annotate src/share/vm/utilities/decoder_elf.hpp @ 8733:9def4075da6d

8008079: G1: Add nextObject routine to CMBitMapRO and replace nextWord Summary: Update the task local finger to the start of the next object when marking aborts, in order to avoid the redundant scanning of all 0's when the marking task restarts, if otherwise updating to the next word. In addition, reuse the routine nextObject() in routine iterate(). Reviewed-by: johnc, ysr Contributed-by: tamao <tao.mao@oracle.com>
author tamao
date Tue, 05 Mar 2013 15:36:56 -0800
parents 3b01d0321dfa
children e7cbc95179c4
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
4803
d7e3846464d0 7071311: Decoder enhancement
zgu
parents:
diff changeset
1 /*
4917
db006a85bf91 7141259: Native stack is missing in hs_err
zgu
parents: 4803
diff changeset
2 * Copyright (c) 2011, 2012, Oracle and/or its affiliates. All rights reserved.
4803
d7e3846464d0 7071311: Decoder enhancement
zgu
parents:
diff changeset
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
d7e3846464d0 7071311: Decoder enhancement
zgu
parents:
diff changeset
4 *
d7e3846464d0 7071311: Decoder enhancement
zgu
parents:
diff changeset
5 * This code is free software; you can redistribute it and/or modify it
d7e3846464d0 7071311: Decoder enhancement
zgu
parents:
diff changeset
6 * under the terms of the GNU General Public License version 2 only, as
d7e3846464d0 7071311: Decoder enhancement
zgu
parents:
diff changeset
7 * published by the Free Software Foundation.
d7e3846464d0 7071311: Decoder enhancement
zgu
parents:
diff changeset
8 *
d7e3846464d0 7071311: Decoder enhancement
zgu
parents:
diff changeset
9 * This code is distributed in the hope that it will be useful, but WITHOUT
d7e3846464d0 7071311: Decoder enhancement
zgu
parents:
diff changeset
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
d7e3846464d0 7071311: Decoder enhancement
zgu
parents:
diff changeset
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
d7e3846464d0 7071311: Decoder enhancement
zgu
parents:
diff changeset
12 * version 2 for more details (a copy is included in the LICENSE file that
d7e3846464d0 7071311: Decoder enhancement
zgu
parents:
diff changeset
13 * accompanied this code).
d7e3846464d0 7071311: Decoder enhancement
zgu
parents:
diff changeset
14 *
d7e3846464d0 7071311: Decoder enhancement
zgu
parents:
diff changeset
15 * You should have received a copy of the GNU General Public License version
d7e3846464d0 7071311: Decoder enhancement
zgu
parents:
diff changeset
16 * 2 along with this work; if not, write to the Free Software Foundation,
d7e3846464d0 7071311: Decoder enhancement
zgu
parents:
diff changeset
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
d7e3846464d0 7071311: Decoder enhancement
zgu
parents:
diff changeset
18 *
d7e3846464d0 7071311: Decoder enhancement
zgu
parents:
diff changeset
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
d7e3846464d0 7071311: Decoder enhancement
zgu
parents:
diff changeset
20 * or visit www.oracle.com if you need additional information or have any
d7e3846464d0 7071311: Decoder enhancement
zgu
parents:
diff changeset
21 * questions.
d7e3846464d0 7071311: Decoder enhancement
zgu
parents:
diff changeset
22 *
d7e3846464d0 7071311: Decoder enhancement
zgu
parents:
diff changeset
23 */
d7e3846464d0 7071311: Decoder enhancement
zgu
parents:
diff changeset
24
d7e3846464d0 7071311: Decoder enhancement
zgu
parents:
diff changeset
25 #ifndef SHARE_VM_UTILITIES_DECODER_ELF_HPP
d7e3846464d0 7071311: Decoder enhancement
zgu
parents:
diff changeset
26 #define SHARE_VM_UTILITIES_DECODER_ELF_HPP
d7e3846464d0 7071311: Decoder enhancement
zgu
parents:
diff changeset
27
d7e3846464d0 7071311: Decoder enhancement
zgu
parents:
diff changeset
28 #if !defined(_WINDOWS) && !defined(__APPLE__)
d7e3846464d0 7071311: Decoder enhancement
zgu
parents:
diff changeset
29
d7e3846464d0 7071311: Decoder enhancement
zgu
parents:
diff changeset
30 #include "utilities/decoder.hpp"
d7e3846464d0 7071311: Decoder enhancement
zgu
parents:
diff changeset
31 #include "utilities/elfFile.hpp"
d7e3846464d0 7071311: Decoder enhancement
zgu
parents:
diff changeset
32
4917
db006a85bf91 7141259: Native stack is missing in hs_err
zgu
parents: 4803
diff changeset
33 class ElfDecoder : public AbstractDecoder {
4803
d7e3846464d0 7071311: Decoder enhancement
zgu
parents:
diff changeset
34
d7e3846464d0 7071311: Decoder enhancement
zgu
parents:
diff changeset
35 public:
d7e3846464d0 7071311: Decoder enhancement
zgu
parents:
diff changeset
36 ElfDecoder() {
d7e3846464d0 7071311: Decoder enhancement
zgu
parents:
diff changeset
37 _opened_elf_files = NULL;
d7e3846464d0 7071311: Decoder enhancement
zgu
parents:
diff changeset
38 _decoder_status = no_error;
d7e3846464d0 7071311: Decoder enhancement
zgu
parents:
diff changeset
39 }
d7e3846464d0 7071311: Decoder enhancement
zgu
parents:
diff changeset
40 ~ElfDecoder();
d7e3846464d0 7071311: Decoder enhancement
zgu
parents:
diff changeset
41
d7e3846464d0 7071311: Decoder enhancement
zgu
parents:
diff changeset
42 bool can_decode_C_frame_in_vm() const { return true; }
d7e3846464d0 7071311: Decoder enhancement
zgu
parents:
diff changeset
43
d7e3846464d0 7071311: Decoder enhancement
zgu
parents:
diff changeset
44 bool demangle(const char* symbol, char *buf, int buflen);
d7e3846464d0 7071311: Decoder enhancement
zgu
parents:
diff changeset
45 bool decode(address addr, char *buf, int buflen, int* offset, const char* filepath = NULL);
6258
3b01d0321dfa 7186778: MachO decoder implementation for MacOSX
zgu
parents: 4917
diff changeset
46 bool decode(address addr, char *buf, int buflen, int* offset, const void *base) {
3b01d0321dfa 7186778: MachO decoder implementation for MacOSX
zgu
parents: 4917
diff changeset
47 ShouldNotReachHere();
3b01d0321dfa 7186778: MachO decoder implementation for MacOSX
zgu
parents: 4917
diff changeset
48 return false;
3b01d0321dfa 7186778: MachO decoder implementation for MacOSX
zgu
parents: 4917
diff changeset
49 }
4803
d7e3846464d0 7071311: Decoder enhancement
zgu
parents:
diff changeset
50
d7e3846464d0 7071311: Decoder enhancement
zgu
parents:
diff changeset
51 private:
d7e3846464d0 7071311: Decoder enhancement
zgu
parents:
diff changeset
52 ElfFile* get_elf_file(const char* filepath);
d7e3846464d0 7071311: Decoder enhancement
zgu
parents:
diff changeset
53
d7e3846464d0 7071311: Decoder enhancement
zgu
parents:
diff changeset
54 private:
d7e3846464d0 7071311: Decoder enhancement
zgu
parents:
diff changeset
55 ElfFile* _opened_elf_files;
d7e3846464d0 7071311: Decoder enhancement
zgu
parents:
diff changeset
56 };
d7e3846464d0 7071311: Decoder enhancement
zgu
parents:
diff changeset
57
d7e3846464d0 7071311: Decoder enhancement
zgu
parents:
diff changeset
58 #endif
d7e3846464d0 7071311: Decoder enhancement
zgu
parents:
diff changeset
59 #endif // SHARE_VM_UTILITIES_DECODER_ELF_HPP