Mercurial > hg > truffle
annotate src/share/vm/utilities/elfFile.hpp @ 13374:ad187607b784
make CompilerToVM.resolveMethod return a metadata method instead of a Java type
author | twisti |
---|---|
date | Tue, 17 Dec 2013 21:25:27 -0800 |
parents | 9058789475af |
children | de6a9e811145 e7cbc95179c4 |
rev | line source |
---|---|
2022
2d4762ec74af
7003748: Decode C stack frames when symbols are presented (PhoneHome project)
zgu
parents:
diff
changeset
|
1 /* |
6842
b9a9ed0f8eeb
7197424: update copyright year to match last edit in jdk8 hotspot repository
mikael
parents:
6197
diff
changeset
|
2 * Copyright (c) 1997, 2012, 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 | 25 #ifndef SHARE_VM_UTILITIES_ELF_FILE_HPP |
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 | 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 | 30 #if defined(__OpenBSD__) |
31 #include <sys/exec_elf.h> | |
32 #else | |
2022
2d4762ec74af
7003748: Decode C stack frames when symbols are presented (PhoneHome project)
zgu
parents:
diff
changeset
|
33 #include <elf.h> |
3960 | 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; |
8710
9058789475af
7107135: Stack guard pages are no more protected after loading a shared library with executable stack
iklam
parents:
6842
diff
changeset
|
46 typedef Elf64_Phdr Elf_Phdr; |
2022
2d4762ec74af
7003748: Decode C stack frames when symbols are presented (PhoneHome project)
zgu
parents:
diff
changeset
|
47 typedef Elf64_Sym Elf_Sym; |
2d4762ec74af
7003748: Decode C stack frames when symbols are presented (PhoneHome project)
zgu
parents:
diff
changeset
|
48 |
3960 | 49 #if !defined(_ALLBSD_SOURCE) || defined(__APPLE__) |
2022
2d4762ec74af
7003748: Decode C stack frames when symbols are presented (PhoneHome project)
zgu
parents:
diff
changeset
|
50 #define ELF_ST_TYPE ELF64_ST_TYPE |
3960 | 51 #endif |
2022
2d4762ec74af
7003748: Decode C stack frames when symbols are presented (PhoneHome project)
zgu
parents:
diff
changeset
|
52 |
2d4762ec74af
7003748: Decode C stack frames when symbols are presented (PhoneHome project)
zgu
parents:
diff
changeset
|
53 #else |
2d4762ec74af
7003748: Decode C stack frames when symbols are presented (PhoneHome project)
zgu
parents:
diff
changeset
|
54 |
2d4762ec74af
7003748: Decode C stack frames when symbols are presented (PhoneHome project)
zgu
parents:
diff
changeset
|
55 typedef Elf32_Half Elf_Half; |
2d4762ec74af
7003748: Decode C stack frames when symbols are presented (PhoneHome project)
zgu
parents:
diff
changeset
|
56 typedef Elf32_Word Elf_Word; |
2d4762ec74af
7003748: Decode C stack frames when symbols are presented (PhoneHome project)
zgu
parents:
diff
changeset
|
57 typedef Elf32_Off Elf_Off; |
2d4762ec74af
7003748: Decode C stack frames when symbols are presented (PhoneHome project)
zgu
parents:
diff
changeset
|
58 typedef Elf32_Addr Elf_Addr; |
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 |
2d4762ec74af
7003748: Decode C stack frames when symbols are presented (PhoneHome project)
zgu
parents:
diff
changeset
|
61 typedef Elf32_Ehdr Elf_Ehdr; |
2d4762ec74af
7003748: Decode C stack frames when symbols are presented (PhoneHome project)
zgu
parents:
diff
changeset
|
62 typedef Elf32_Shdr Elf_Shdr; |
8710
9058789475af
7107135: Stack guard pages are no more protected after loading a shared library with executable stack
iklam
parents:
6842
diff
changeset
|
63 typedef Elf32_Phdr Elf_Phdr; |
2022
2d4762ec74af
7003748: Decode C stack frames when symbols are presented (PhoneHome project)
zgu
parents:
diff
changeset
|
64 typedef Elf32_Sym Elf_Sym; |
2d4762ec74af
7003748: Decode C stack frames when symbols are presented (PhoneHome project)
zgu
parents:
diff
changeset
|
65 |
3960 | 66 #if !defined(_ALLBSD_SOURCE) || defined(__APPLE__) |
2022
2d4762ec74af
7003748: Decode C stack frames when symbols are presented (PhoneHome project)
zgu
parents:
diff
changeset
|
67 #define ELF_ST_TYPE ELF32_ST_TYPE |
2d4762ec74af
7003748: Decode C stack frames when symbols are presented (PhoneHome project)
zgu
parents:
diff
changeset
|
68 #endif |
3960 | 69 #endif |
2022
2d4762ec74af
7003748: Decode C stack frames when symbols are presented (PhoneHome project)
zgu
parents:
diff
changeset
|
70 |
2d4762ec74af
7003748: Decode C stack frames when symbols are presented (PhoneHome project)
zgu
parents:
diff
changeset
|
71 #include "globalDefinitions.hpp" |
2d4762ec74af
7003748: Decode C stack frames when symbols are presented (PhoneHome project)
zgu
parents:
diff
changeset
|
72 #include "memory/allocation.hpp" |
2d4762ec74af
7003748: Decode C stack frames when symbols are presented (PhoneHome project)
zgu
parents:
diff
changeset
|
73 #include "utilities/decoder.hpp" |
2d4762ec74af
7003748: Decode C stack frames when symbols are presented (PhoneHome project)
zgu
parents:
diff
changeset
|
74 |
2d4762ec74af
7003748: Decode C stack frames when symbols are presented (PhoneHome project)
zgu
parents:
diff
changeset
|
75 |
2d4762ec74af
7003748: Decode C stack frames when symbols are presented (PhoneHome project)
zgu
parents:
diff
changeset
|
76 class ElfStringTable; |
2d4762ec74af
7003748: Decode C stack frames when symbols are presented (PhoneHome project)
zgu
parents:
diff
changeset
|
77 class ElfSymbolTable; |
2d4762ec74af
7003748: Decode C stack frames when symbols are presented (PhoneHome project)
zgu
parents:
diff
changeset
|
78 |
2d4762ec74af
7003748: Decode C stack frames when symbols are presented (PhoneHome project)
zgu
parents:
diff
changeset
|
79 |
2d4762ec74af
7003748: Decode C stack frames when symbols are presented (PhoneHome project)
zgu
parents:
diff
changeset
|
80 // 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
|
81 // 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
|
82 // that is the nearest to the given address. |
2d4762ec74af
7003748: Decode C stack frames when symbols are presented (PhoneHome project)
zgu
parents:
diff
changeset
|
83 // 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
|
84 // 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
|
85 // 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
|
86 |
6197 | 87 class ElfFile: public CHeapObj<mtInternal> { |
4803 | 88 friend class ElfDecoder; |
2022
2d4762ec74af
7003748: Decode C stack frames when symbols are presented (PhoneHome project)
zgu
parents:
diff
changeset
|
89 public: |
2d4762ec74af
7003748: Decode C stack frames when symbols are presented (PhoneHome project)
zgu
parents:
diff
changeset
|
90 ElfFile(const char* filepath); |
2d4762ec74af
7003748: Decode C stack frames when symbols are presented (PhoneHome project)
zgu
parents:
diff
changeset
|
91 ~ElfFile(); |
2d4762ec74af
7003748: Decode C stack frames when symbols are presented (PhoneHome project)
zgu
parents:
diff
changeset
|
92 |
4803 | 93 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
|
94 const char* filepath() { |
2d4762ec74af
7003748: Decode C stack frames when symbols are presented (PhoneHome project)
zgu
parents:
diff
changeset
|
95 return m_filepath; |
2d4762ec74af
7003748: Decode C stack frames when symbols are presented (PhoneHome project)
zgu
parents:
diff
changeset
|
96 } |
2d4762ec74af
7003748: Decode C stack frames when symbols are presented (PhoneHome project)
zgu
parents:
diff
changeset
|
97 |
2d4762ec74af
7003748: Decode C stack frames when symbols are presented (PhoneHome project)
zgu
parents:
diff
changeset
|
98 bool same_elf_file(const char* filepath) { |
2d4762ec74af
7003748: Decode C stack frames when symbols are presented (PhoneHome project)
zgu
parents:
diff
changeset
|
99 assert(filepath, "null file path"); |
2d4762ec74af
7003748: Decode C stack frames when symbols are presented (PhoneHome project)
zgu
parents:
diff
changeset
|
100 assert(m_filepath, "already out of memory"); |
2d4762ec74af
7003748: Decode C stack frames when symbols are presented (PhoneHome project)
zgu
parents:
diff
changeset
|
101 return (m_filepath && !strcmp(filepath, m_filepath)); |
2d4762ec74af
7003748: Decode C stack frames when symbols are presented (PhoneHome project)
zgu
parents:
diff
changeset
|
102 } |
2d4762ec74af
7003748: Decode C stack frames when symbols are presented (PhoneHome project)
zgu
parents:
diff
changeset
|
103 |
4803 | 104 NullDecoder::decoder_status get_status() { |
2022
2d4762ec74af
7003748: Decode C stack frames when symbols are presented (PhoneHome project)
zgu
parents:
diff
changeset
|
105 return m_status; |
2d4762ec74af
7003748: Decode C stack frames when symbols are presented (PhoneHome project)
zgu
parents:
diff
changeset
|
106 } |
2d4762ec74af
7003748: Decode C stack frames when symbols are presented (PhoneHome project)
zgu
parents:
diff
changeset
|
107 |
2d4762ec74af
7003748: Decode C stack frames when symbols are presented (PhoneHome project)
zgu
parents:
diff
changeset
|
108 private: |
2d4762ec74af
7003748: Decode C stack frames when symbols are presented (PhoneHome project)
zgu
parents:
diff
changeset
|
109 // 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
|
110 bool is_elf_file(Elf_Ehdr&); |
2d4762ec74af
7003748: Decode C stack frames when symbols are presented (PhoneHome project)
zgu
parents:
diff
changeset
|
111 |
2d4762ec74af
7003748: Decode C stack frames when symbols are presented (PhoneHome project)
zgu
parents:
diff
changeset
|
112 // load string tables from the elf file |
2d4762ec74af
7003748: Decode C stack frames when symbols are presented (PhoneHome project)
zgu
parents:
diff
changeset
|
113 bool load_tables(); |
2d4762ec74af
7003748: Decode C stack frames when symbols are presented (PhoneHome project)
zgu
parents:
diff
changeset
|
114 |
2d4762ec74af
7003748: Decode C stack frames when symbols are presented (PhoneHome project)
zgu
parents:
diff
changeset
|
115 // string tables are stored in a linked list |
2d4762ec74af
7003748: Decode C stack frames when symbols are presented (PhoneHome project)
zgu
parents:
diff
changeset
|
116 void add_string_table(ElfStringTable* table); |
2d4762ec74af
7003748: Decode C stack frames when symbols are presented (PhoneHome project)
zgu
parents:
diff
changeset
|
117 |
2d4762ec74af
7003748: Decode C stack frames when symbols are presented (PhoneHome project)
zgu
parents:
diff
changeset
|
118 // symbol tables are stored in a linked list |
2d4762ec74af
7003748: Decode C stack frames when symbols are presented (PhoneHome project)
zgu
parents:
diff
changeset
|
119 void add_symbol_table(ElfSymbolTable* table); |
2d4762ec74af
7003748: Decode C stack frames when symbols are presented (PhoneHome project)
zgu
parents:
diff
changeset
|
120 |
2d4762ec74af
7003748: Decode C stack frames when symbols are presented (PhoneHome project)
zgu
parents:
diff
changeset
|
121 // return a string table at specified section index |
2d4762ec74af
7003748: Decode C stack frames when symbols are presented (PhoneHome project)
zgu
parents:
diff
changeset
|
122 ElfStringTable* get_string_table(int index); |
2d4762ec74af
7003748: Decode C stack frames when symbols are presented (PhoneHome project)
zgu
parents:
diff
changeset
|
123 |
4803 | 124 protected: |
125 ElfFile* next() const { return m_next; } | |
126 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
|
127 |
8710
9058789475af
7107135: Stack guard pages are no more protected after loading a shared library with executable stack
iklam
parents:
6842
diff
changeset
|
128 public: |
9058789475af
7107135: Stack guard pages are no more protected after loading a shared library with executable stack
iklam
parents:
6842
diff
changeset
|
129 // Returns true if the elf file is marked NOT to require an executable stack, |
9058789475af
7107135: Stack guard pages are no more protected after loading a shared library with executable stack
iklam
parents:
6842
diff
changeset
|
130 // or if the file could not be opened. |
9058789475af
7107135: Stack guard pages are no more protected after loading a shared library with executable stack
iklam
parents:
6842
diff
changeset
|
131 // Returns false if the elf file requires an executable stack, the stack flag |
9058789475af
7107135: Stack guard pages are no more protected after loading a shared library with executable stack
iklam
parents:
6842
diff
changeset
|
132 // is not set at all, or if the file can not be read. |
9058789475af
7107135: Stack guard pages are no more protected after loading a shared library with executable stack
iklam
parents:
6842
diff
changeset
|
133 // On systems other than linux it always returns false. |
9058789475af
7107135: Stack guard pages are no more protected after loading a shared library with executable stack
iklam
parents:
6842
diff
changeset
|
134 bool specifies_noexecstack() NOT_LINUX({ return false; }); |
9058789475af
7107135: Stack guard pages are no more protected after loading a shared library with executable stack
iklam
parents:
6842
diff
changeset
|
135 |
2022
2d4762ec74af
7003748: Decode C stack frames when symbols are presented (PhoneHome project)
zgu
parents:
diff
changeset
|
136 protected: |
2d4762ec74af
7003748: Decode C stack frames when symbols are presented (PhoneHome project)
zgu
parents:
diff
changeset
|
137 ElfFile* m_next; |
2d4762ec74af
7003748: Decode C stack frames when symbols are presented (PhoneHome project)
zgu
parents:
diff
changeset
|
138 |
2d4762ec74af
7003748: Decode C stack frames when symbols are presented (PhoneHome project)
zgu
parents:
diff
changeset
|
139 private: |
2d4762ec74af
7003748: Decode C stack frames when symbols are presented (PhoneHome project)
zgu
parents:
diff
changeset
|
140 // file |
2d4762ec74af
7003748: Decode C stack frames when symbols are presented (PhoneHome project)
zgu
parents:
diff
changeset
|
141 const char* m_filepath; |
2d4762ec74af
7003748: Decode C stack frames when symbols are presented (PhoneHome project)
zgu
parents:
diff
changeset
|
142 FILE* m_file; |
2d4762ec74af
7003748: Decode C stack frames when symbols are presented (PhoneHome project)
zgu
parents:
diff
changeset
|
143 |
2d4762ec74af
7003748: Decode C stack frames when symbols are presented (PhoneHome project)
zgu
parents:
diff
changeset
|
144 // Elf header |
4803 | 145 Elf_Ehdr m_elfHdr; |
2022
2d4762ec74af
7003748: Decode C stack frames when symbols are presented (PhoneHome project)
zgu
parents:
diff
changeset
|
146 |
2d4762ec74af
7003748: Decode C stack frames when symbols are presented (PhoneHome project)
zgu
parents:
diff
changeset
|
147 // symbol tables |
4803 | 148 ElfSymbolTable* m_symbol_tables; |
2022
2d4762ec74af
7003748: Decode C stack frames when symbols are presented (PhoneHome project)
zgu
parents:
diff
changeset
|
149 |
2d4762ec74af
7003748: Decode C stack frames when symbols are presented (PhoneHome project)
zgu
parents:
diff
changeset
|
150 // string tables |
4803 | 151 ElfStringTable* m_string_tables; |
2022
2d4762ec74af
7003748: Decode C stack frames when symbols are presented (PhoneHome project)
zgu
parents:
diff
changeset
|
152 |
4803 | 153 NullDecoder::decoder_status m_status; |
2022
2d4762ec74af
7003748: Decode C stack frames when symbols are presented (PhoneHome project)
zgu
parents:
diff
changeset
|
154 }; |
2d4762ec74af
7003748: Decode C stack frames when symbols are presented (PhoneHome project)
zgu
parents:
diff
changeset
|
155 |
2d4762ec74af
7003748: Decode C stack frames when symbols are presented (PhoneHome project)
zgu
parents:
diff
changeset
|
156 #endif // _WINDOWS |
2d4762ec74af
7003748: Decode C stack frames when symbols are presented (PhoneHome project)
zgu
parents:
diff
changeset
|
157 |
4803 | 158 #endif // SHARE_VM_UTILITIES_ELF_FILE_HPP |