Mercurial > hg > truffle
comparison src/share/vm/utilities/elfSymbolTable.hpp @ 2022:2d4762ec74af
7003748: Decode C stack frames when symbols are presented (PhoneHome project)
Summary: Implemented in-process C native stack frame decoding when symbols are available.
Reviewed-by: coleenp, never
author | zgu |
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date | Sat, 11 Dec 2010 13:20:56 -0500 |
parents | |
children | f08d439fab8c |
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1972:f95d63e2154a | 2022:2d4762ec74af |
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1 /* | |
2 * Copyright (c) 1997, 2010, 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 #ifndef __ELF_SYMBOL_TABLE_HPP | |
26 #define __ELF_SYMBOL_TABLE_HPP | |
27 | |
28 #ifndef _WINDOWS | |
29 | |
30 | |
31 #include "memory/allocation.hpp" | |
32 #include "utilities/decoder.hpp" | |
33 #include "utilities/elfFile.hpp" | |
34 | |
35 /* | |
36 * symbol table object represents a symbol section in an elf file. | |
37 * Whenever possible, it will load all symbols from the corresponding section | |
38 * of the elf file into memory. Otherwise, it will walk the section in file | |
39 * to look up the symbol that nearest the given address. | |
40 */ | |
41 class ElfSymbolTable: public CHeapObj { | |
42 friend class ElfFile; | |
43 public: | |
44 ElfSymbolTable(FILE* file, Elf_Shdr shdr); | |
45 ~ElfSymbolTable(); | |
46 | |
47 // search the symbol that is nearest to the specified address. | |
48 Decoder::decoder_status lookup(address addr, int* stringtableIndex, int* posIndex, int* offset); | |
49 | |
50 Decoder::decoder_status get_status() { return m_status; }; | |
51 | |
52 protected: | |
53 ElfSymbolTable* m_next; | |
54 | |
55 // holds a complete symbol table section if | |
56 // can allocate enough memory | |
57 Elf_Sym* m_symbols; | |
58 | |
59 // file contains string table | |
60 FILE* m_file; | |
61 | |
62 // section header | |
63 Elf_Shdr m_shdr; | |
64 | |
65 Decoder::decoder_status m_status; | |
66 }; | |
67 | |
68 #endif // _WINDOWS | |
69 | |
70 #endif // __ELF_SYMBOL_TABLE_HPP | |
71 | |
72 | |
73 |