truffle: src/share/vm/utilities/elfFile.hpp annotate

annotate src/share/vm/utilities/elfFile.hpp @ 6862:8a5ea0a9ccc4

7127708: G1: change task num types from int to uint in concurrent mark Summary: Change the type of various task num fields, parameters etc to unsigned and rename them to be more consistent with the other collectors. Code changes were also reviewed by Vitaly Davidovich. Reviewed-by: johnc Contributed-by: Kaushik Srenevasan <kaushik@twitter.com>

author	johnc
date	Sat, 06 Oct 2012 01:17:44 -0700
parents	d2a62e0f25eb
children	b9a9ed0f8eeb

rev	line source
2022 2d4762ec74af 7003748: Decode C stack frames when symbols are presented (PhoneHome project) zgu parents: diff changeset	1 /*
4803 d7e3846464d0 7071311: Decoder enhancement zgu parents: 3960 diff changeset	2 * Copyright (c) 1997, 2011, Oracle and/or its affiliates. All rights reserved.
2022 2d4762ec74af 7003748: Decode C stack frames when symbols are presented (PhoneHome project) zgu parents: diff changeset	3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
2d4762ec74af 7003748: Decode C stack frames when symbols are presented (PhoneHome project) zgu parents: diff changeset	4 *
2d4762ec74af 7003748: Decode C stack frames when symbols are presented (PhoneHome project) zgu parents: diff changeset	5 * This code is free software; you can redistribute it and/or modify it
2d4762ec74af 7003748: Decode C stack frames when symbols are presented (PhoneHome project) zgu parents: diff changeset	6 * under the terms of the GNU General Public License version 2 only, as
2d4762ec74af 7003748: Decode C stack frames when symbols are presented (PhoneHome project) zgu parents: diff changeset	7 * published by the Free Software Foundation.
2d4762ec74af 7003748: Decode C stack frames when symbols are presented (PhoneHome project) zgu parents: diff changeset	8 *
2d4762ec74af 7003748: Decode C stack frames when symbols are presented (PhoneHome project) zgu parents: diff changeset	9 * This code is distributed in the hope that it will be useful, but WITHOUT
2d4762ec74af 7003748: Decode C stack frames when symbols are presented (PhoneHome project) zgu parents: diff changeset	10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
2d4762ec74af 7003748: Decode C stack frames when symbols are presented (PhoneHome project) zgu parents: diff changeset	11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
2d4762ec74af 7003748: Decode C stack frames when symbols are presented (PhoneHome project) zgu parents: diff changeset	12 * version 2 for more details (a copy is included in the LICENSE file that
2d4762ec74af 7003748: Decode C stack frames when symbols are presented (PhoneHome project) zgu parents: diff changeset	13 * accompanied this code).
2d4762ec74af 7003748: Decode C stack frames when symbols are presented (PhoneHome project) zgu parents: diff changeset	14 *
2d4762ec74af 7003748: Decode C stack frames when symbols are presented (PhoneHome project) zgu parents: diff changeset	15 * You should have received a copy of the GNU General Public License version
2d4762ec74af 7003748: Decode C stack frames when symbols are presented (PhoneHome project) zgu parents: diff changeset	16 * 2 along with this work; if not, write to the Free Software Foundation,
2d4762ec74af 7003748: Decode C stack frames when symbols are presented (PhoneHome project) zgu parents: diff changeset	17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
2d4762ec74af 7003748: Decode C stack frames when symbols are presented (PhoneHome project) zgu parents: diff changeset	18 *
2d4762ec74af 7003748: Decode C stack frames when symbols are presented (PhoneHome project) zgu parents: diff changeset	19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
2d4762ec74af 7003748: Decode C stack frames when symbols are presented (PhoneHome project) zgu parents: diff changeset	20 * or visit www.oracle.com if you need additional information or have any
2d4762ec74af 7003748: Decode C stack frames when symbols are presented (PhoneHome project) zgu parents: diff changeset	21 * questions.
2d4762ec74af 7003748: Decode C stack frames when symbols are presented (PhoneHome project) zgu parents: diff changeset	22 *
2d4762ec74af 7003748: Decode C stack frames when symbols are presented (PhoneHome project) zgu parents: diff changeset	23 */
2d4762ec74af 7003748: Decode C stack frames when symbols are presented (PhoneHome project) zgu parents: diff changeset	24
4803 d7e3846464d0 7071311: Decoder enhancement zgu parents: 3960 diff changeset	25 #ifndef SHARE_VM_UTILITIES_ELF_FILE_HPP
d7e3846464d0 7071311: Decoder enhancement zgu parents: 3960 diff changeset	26 #define SHARE_VM_UTILITIES_ELF_FILE_HPP
2022 2d4762ec74af 7003748: Decode C stack frames when symbols are presented (PhoneHome project) zgu parents: diff changeset	27
3960 f08d439fab8c 7089790: integrate bsd-port changes never parents: 2022 diff changeset	28 #if !defined(_WINDOWS) && !defined(__APPLE__)
2022 2d4762ec74af 7003748: Decode C stack frames when symbols are presented (PhoneHome project) zgu parents: diff changeset	29
3960 f08d439fab8c 7089790: integrate bsd-port changes never parents: 2022 diff changeset	30 #if defined(__OpenBSD__)
f08d439fab8c 7089790: integrate bsd-port changes never parents: 2022 diff changeset	31 #include <sys/exec_elf.h>
f08d439fab8c 7089790: integrate bsd-port changes never parents: 2022 diff changeset	32 #else
2022 2d4762ec74af 7003748: Decode C stack frames when symbols are presented (PhoneHome project) zgu parents: diff changeset	33 #include <elf.h>
3960 f08d439fab8c 7089790: integrate bsd-port changes never parents: 2022 diff changeset	34 #endif
2022 2d4762ec74af 7003748: Decode C stack frames when symbols are presented (PhoneHome project) zgu parents: diff changeset	35 #include <stdio.h>
2d4762ec74af 7003748: Decode C stack frames when symbols are presented (PhoneHome project) zgu parents: diff changeset	36
2d4762ec74af 7003748: Decode C stack frames when symbols are presented (PhoneHome project) zgu parents: diff changeset	37 #ifdef _LP64
2d4762ec74af 7003748: Decode C stack frames when symbols are presented (PhoneHome project) zgu parents: diff changeset	38
2d4762ec74af 7003748: Decode C stack frames when symbols are presented (PhoneHome project) zgu parents: diff changeset	39 typedef Elf64_Half Elf_Half;
2d4762ec74af 7003748: Decode C stack frames when symbols are presented (PhoneHome project) zgu parents: diff changeset	40 typedef Elf64_Word Elf_Word;
2d4762ec74af 7003748: Decode C stack frames when symbols are presented (PhoneHome project) zgu parents: diff changeset	41 typedef Elf64_Off Elf_Off;
2d4762ec74af 7003748: Decode C stack frames when symbols are presented (PhoneHome project) zgu parents: diff changeset	42 typedef Elf64_Addr Elf_Addr;
2d4762ec74af 7003748: Decode C stack frames when symbols are presented (PhoneHome project) zgu parents: diff changeset	43
2d4762ec74af 7003748: Decode C stack frames when symbols are presented (PhoneHome project) zgu parents: diff changeset	44 typedef Elf64_Ehdr Elf_Ehdr;
2d4762ec74af 7003748: Decode C stack frames when symbols are presented (PhoneHome project) zgu parents: diff changeset	45 typedef Elf64_Shdr Elf_Shdr;
2d4762ec74af 7003748: Decode C stack frames when symbols are presented (PhoneHome project) zgu parents: diff changeset	46 typedef Elf64_Sym Elf_Sym;
2d4762ec74af 7003748: Decode C stack frames when symbols are presented (PhoneHome project) zgu parents: diff changeset	47
3960 f08d439fab8c 7089790: integrate bsd-port changes never parents: 2022 diff changeset	48 #if !defined(_ALLBSD_SOURCE) \|\| defined(__APPLE__)
2022 2d4762ec74af 7003748: Decode C stack frames when symbols are presented (PhoneHome project) zgu parents: diff changeset	49 #define ELF_ST_TYPE ELF64_ST_TYPE
3960 f08d439fab8c 7089790: integrate bsd-port changes never parents: 2022 diff changeset	50 #endif
2022 2d4762ec74af 7003748: Decode C stack frames when symbols are presented (PhoneHome project) zgu parents: diff changeset	51
2d4762ec74af 7003748: Decode C stack frames when symbols are presented (PhoneHome project) zgu parents: diff changeset	52 #else
2d4762ec74af 7003748: Decode C stack frames when symbols are presented (PhoneHome project) zgu parents: diff changeset	53
2d4762ec74af 7003748: Decode C stack frames when symbols are presented (PhoneHome project) zgu parents: diff changeset	54 typedef Elf32_Half Elf_Half;
2d4762ec74af 7003748: Decode C stack frames when symbols are presented (PhoneHome project) zgu parents: diff changeset	55 typedef Elf32_Word Elf_Word;
2d4762ec74af 7003748: Decode C stack frames when symbols are presented (PhoneHome project) zgu parents: diff changeset	56 typedef Elf32_Off Elf_Off;
2d4762ec74af 7003748: Decode C stack frames when symbols are presented (PhoneHome project) zgu parents: diff changeset	57 typedef Elf32_Addr Elf_Addr;
2d4762ec74af 7003748: Decode C stack frames when symbols are presented (PhoneHome project) zgu parents: diff changeset	58
2d4762ec74af 7003748: Decode C stack frames when symbols are presented (PhoneHome project) zgu parents: diff changeset	59
2d4762ec74af 7003748: Decode C stack frames when symbols are presented (PhoneHome project) zgu parents: diff changeset	60 typedef Elf32_Ehdr Elf_Ehdr;
2d4762ec74af 7003748: Decode C stack frames when symbols are presented (PhoneHome project) zgu parents: diff changeset	61 typedef Elf32_Shdr Elf_Shdr;
2d4762ec74af 7003748: Decode C stack frames when symbols are presented (PhoneHome project) zgu parents: diff changeset	62 typedef Elf32_Sym Elf_Sym;
2d4762ec74af 7003748: Decode C stack frames when symbols are presented (PhoneHome project) zgu parents: diff changeset	63
3960 f08d439fab8c 7089790: integrate bsd-port changes never parents: 2022 diff changeset	64 #if !defined(_ALLBSD_SOURCE) \|\| defined(__APPLE__)
2022 2d4762ec74af 7003748: Decode C stack frames when symbols are presented (PhoneHome project) zgu parents: diff changeset	65 #define ELF_ST_TYPE ELF32_ST_TYPE
2d4762ec74af 7003748: Decode C stack frames when symbols are presented (PhoneHome project) zgu parents: diff changeset	66 #endif
3960 f08d439fab8c 7089790: integrate bsd-port changes never parents: 2022 diff changeset	67 #endif
2022 2d4762ec74af 7003748: Decode C stack frames when symbols are presented (PhoneHome project) zgu parents: diff changeset	68
2d4762ec74af 7003748: Decode C stack frames when symbols are presented (PhoneHome project) zgu parents: diff changeset	69 #include "globalDefinitions.hpp"
2d4762ec74af 7003748: Decode C stack frames when symbols are presented (PhoneHome project) zgu parents: diff changeset	70 #include "memory/allocation.hpp"
2d4762ec74af 7003748: Decode C stack frames when symbols are presented (PhoneHome project) zgu parents: diff changeset	71 #include "utilities/decoder.hpp"
2d4762ec74af 7003748: Decode C stack frames when symbols are presented (PhoneHome project) zgu parents: diff changeset	72
2d4762ec74af 7003748: Decode C stack frames when symbols are presented (PhoneHome project) zgu parents: diff changeset	73
2d4762ec74af 7003748: Decode C stack frames when symbols are presented (PhoneHome project) zgu parents: diff changeset	74 class ElfStringTable;
2d4762ec74af 7003748: Decode C stack frames when symbols are presented (PhoneHome project) zgu parents: diff changeset	75 class ElfSymbolTable;
2d4762ec74af 7003748: Decode C stack frames when symbols are presented (PhoneHome project) zgu parents: diff changeset	76
2d4762ec74af 7003748: Decode C stack frames when symbols are presented (PhoneHome project) zgu parents: diff changeset	77
2d4762ec74af 7003748: Decode C stack frames when symbols are presented (PhoneHome project) zgu parents: diff changeset	78 // On Solaris/Linux platforms, libjvm.so does contain all private symbols.
2d4762ec74af 7003748: Decode C stack frames when symbols are presented (PhoneHome project) zgu parents: diff changeset	79 // ElfFile is basically an elf file parser, which can lookup the symbol
2d4762ec74af 7003748: Decode C stack frames when symbols are presented (PhoneHome project) zgu parents: diff changeset	80 // that is the nearest to the given address.
2d4762ec74af 7003748: Decode C stack frames when symbols are presented (PhoneHome project) zgu parents: diff changeset	81 // Beware, this code is called from vm error reporting code, when vm is already
2d4762ec74af 7003748: Decode C stack frames when symbols are presented (PhoneHome project) zgu parents: diff changeset	82 // in "error" state, so there are scenarios, lookup will fail. We want this
2d4762ec74af 7003748: Decode C stack frames when symbols are presented (PhoneHome project) zgu parents: diff changeset	83 // part of code to be very defensive, and bait out if anything went wrong.
2d4762ec74af 7003748: Decode C stack frames when symbols are presented (PhoneHome project) zgu parents: diff changeset	84
6197 d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1) zgu parents: 4803 diff changeset	85 class ElfFile: public CHeapObj<mtInternal> {
4803 d7e3846464d0 7071311: Decoder enhancement zgu parents: 3960 diff changeset	86 friend class ElfDecoder;
2022 2d4762ec74af 7003748: Decode C stack frames when symbols are presented (PhoneHome project) zgu parents: diff changeset	87 public:
2d4762ec74af 7003748: Decode C stack frames when symbols are presented (PhoneHome project) zgu parents: diff changeset	88 ElfFile(const char* filepath);
2d4762ec74af 7003748: Decode C stack frames when symbols are presented (PhoneHome project) zgu parents: diff changeset	89 ~ElfFile();
2d4762ec74af 7003748: Decode C stack frames when symbols are presented (PhoneHome project) zgu parents: diff changeset	90
4803 d7e3846464d0 7071311: Decoder enhancement zgu parents: 3960 diff changeset	91 bool decode(address addr, char* buf, int buflen, int* offset);
2022 2d4762ec74af 7003748: Decode C stack frames when symbols are presented (PhoneHome project) zgu parents: diff changeset	92 const char* filepath() {
2d4762ec74af 7003748: Decode C stack frames when symbols are presented (PhoneHome project) zgu parents: diff changeset	93 return m_filepath;
2d4762ec74af 7003748: Decode C stack frames when symbols are presented (PhoneHome project) zgu parents: diff changeset	94 }
2d4762ec74af 7003748: Decode C stack frames when symbols are presented (PhoneHome project) zgu parents: diff changeset	95
2d4762ec74af 7003748: Decode C stack frames when symbols are presented (PhoneHome project) zgu parents: diff changeset	96 bool same_elf_file(const char* filepath) {
2d4762ec74af 7003748: Decode C stack frames when symbols are presented (PhoneHome project) zgu parents: diff changeset	97 assert(filepath, "null file path");
2d4762ec74af 7003748: Decode C stack frames when symbols are presented (PhoneHome project) zgu parents: diff changeset	98 assert(m_filepath, "already out of memory");
2d4762ec74af 7003748: Decode C stack frames when symbols are presented (PhoneHome project) zgu parents: diff changeset	99 return (m_filepath && !strcmp(filepath, m_filepath));
2d4762ec74af 7003748: Decode C stack frames when symbols are presented (PhoneHome project) zgu parents: diff changeset	100 }
2d4762ec74af 7003748: Decode C stack frames when symbols are presented (PhoneHome project) zgu parents: diff changeset	101
4803 d7e3846464d0 7071311: Decoder enhancement zgu parents: 3960 diff changeset	102 NullDecoder::decoder_status get_status() {
2022 2d4762ec74af 7003748: Decode C stack frames when symbols are presented (PhoneHome project) zgu parents: diff changeset	103 return m_status;
2d4762ec74af 7003748: Decode C stack frames when symbols are presented (PhoneHome project) zgu parents: diff changeset	104 }
2d4762ec74af 7003748: Decode C stack frames when symbols are presented (PhoneHome project) zgu parents: diff changeset	105
2d4762ec74af 7003748: Decode C stack frames when symbols are presented (PhoneHome project) zgu parents: diff changeset	106 private:
2d4762ec74af 7003748: Decode C stack frames when symbols are presented (PhoneHome project) zgu parents: diff changeset	107 // sanity check, if the file is a real elf file
2d4762ec74af 7003748: Decode C stack frames when symbols are presented (PhoneHome project) zgu parents: diff changeset	108 bool is_elf_file(Elf_Ehdr&);
2d4762ec74af 7003748: Decode C stack frames when symbols are presented (PhoneHome project) zgu parents: diff changeset	109
2d4762ec74af 7003748: Decode C stack frames when symbols are presented (PhoneHome project) zgu parents: diff changeset	110 // load string tables from the elf file
2d4762ec74af 7003748: Decode C stack frames when symbols are presented (PhoneHome project) zgu parents: diff changeset	111 bool load_tables();
2d4762ec74af 7003748: Decode C stack frames when symbols are presented (PhoneHome project) zgu parents: diff changeset	112
2d4762ec74af 7003748: Decode C stack frames when symbols are presented (PhoneHome project) zgu parents: diff changeset	113 // string tables are stored in a linked list
2d4762ec74af 7003748: Decode C stack frames when symbols are presented (PhoneHome project) zgu parents: diff changeset	114 void add_string_table(ElfStringTable* table);
2d4762ec74af 7003748: Decode C stack frames when symbols are presented (PhoneHome project) zgu parents: diff changeset	115
2d4762ec74af 7003748: Decode C stack frames when symbols are presented (PhoneHome project) zgu parents: diff changeset	116 // symbol tables are stored in a linked list
2d4762ec74af 7003748: Decode C stack frames when symbols are presented (PhoneHome project) zgu parents: diff changeset	117 void add_symbol_table(ElfSymbolTable* table);
2d4762ec74af 7003748: Decode C stack frames when symbols are presented (PhoneHome project) zgu parents: diff changeset	118
2d4762ec74af 7003748: Decode C stack frames when symbols are presented (PhoneHome project) zgu parents: diff changeset	119 // return a string table at specified section index
2d4762ec74af 7003748: Decode C stack frames when symbols are presented (PhoneHome project) zgu parents: diff changeset	120 ElfStringTable* get_string_table(int index);
2d4762ec74af 7003748: Decode C stack frames when symbols are presented (PhoneHome project) zgu parents: diff changeset	121
4803 d7e3846464d0 7071311: Decoder enhancement zgu parents: 3960 diff changeset	122 protected:
d7e3846464d0 7071311: Decoder enhancement zgu parents: 3960 diff changeset	123 ElfFile* next() const { return m_next; }
d7e3846464d0 7071311: Decoder enhancement zgu parents: 3960 diff changeset	124 void set_next(ElfFile* file) { m_next = file; }
2022 2d4762ec74af 7003748: Decode C stack frames when symbols are presented (PhoneHome project) zgu parents: diff changeset	125
2d4762ec74af 7003748: Decode C stack frames when symbols are presented (PhoneHome project) zgu parents: diff changeset	126 protected:
2d4762ec74af 7003748: Decode C stack frames when symbols are presented (PhoneHome project) zgu parents: diff changeset	127 ElfFile* m_next;
2d4762ec74af 7003748: Decode C stack frames when symbols are presented (PhoneHome project) zgu parents: diff changeset	128
2d4762ec74af 7003748: Decode C stack frames when symbols are presented (PhoneHome project) zgu parents: diff changeset	129 private:
2d4762ec74af 7003748: Decode C stack frames when symbols are presented (PhoneHome project) zgu parents: diff changeset	130 // file
2d4762ec74af 7003748: Decode C stack frames when symbols are presented (PhoneHome project) zgu parents: diff changeset	131 const char* m_filepath;
2d4762ec74af 7003748: Decode C stack frames when symbols are presented (PhoneHome project) zgu parents: diff changeset	132 FILE* m_file;
2d4762ec74af 7003748: Decode C stack frames when symbols are presented (PhoneHome project) zgu parents: diff changeset	133
2d4762ec74af 7003748: Decode C stack frames when symbols are presented (PhoneHome project) zgu parents: diff changeset	134 // Elf header
4803 d7e3846464d0 7071311: Decoder enhancement zgu parents: 3960 diff changeset	135 Elf_Ehdr m_elfHdr;
2022 2d4762ec74af 7003748: Decode C stack frames when symbols are presented (PhoneHome project) zgu parents: diff changeset	136
2d4762ec74af 7003748: Decode C stack frames when symbols are presented (PhoneHome project) zgu parents: diff changeset	137 // symbol tables
4803 d7e3846464d0 7071311: Decoder enhancement zgu parents: 3960 diff changeset	138 ElfSymbolTable* m_symbol_tables;
2022 2d4762ec74af 7003748: Decode C stack frames when symbols are presented (PhoneHome project) zgu parents: diff changeset	139
2d4762ec74af 7003748: Decode C stack frames when symbols are presented (PhoneHome project) zgu parents: diff changeset	140 // string tables
4803 d7e3846464d0 7071311: Decoder enhancement zgu parents: 3960 diff changeset	141 ElfStringTable* m_string_tables;
2022 2d4762ec74af 7003748: Decode C stack frames when symbols are presented (PhoneHome project) zgu parents: diff changeset	142
4803 d7e3846464d0 7071311: Decoder enhancement zgu parents: 3960 diff changeset	143 NullDecoder::decoder_status m_status;
2022 2d4762ec74af 7003748: Decode C stack frames when symbols are presented (PhoneHome project) zgu parents: diff changeset	144 };
2d4762ec74af 7003748: Decode C stack frames when symbols are presented (PhoneHome project) zgu parents: diff changeset	145
2d4762ec74af 7003748: Decode C stack frames when symbols are presented (PhoneHome project) zgu parents: diff changeset	146 #endif // _WINDOWS
2d4762ec74af 7003748: Decode C stack frames when symbols are presented (PhoneHome project) zgu parents: diff changeset	147
4803 d7e3846464d0 7071311: Decoder enhancement zgu parents: 3960 diff changeset	148 #endif // SHARE_VM_UTILITIES_ELF_FILE_HPP

Mercurial > hg > truffle

annotate src/share/vm/utilities/elfFile.hpp @ 6862:8a5ea0a9ccc4