summaryrefslogtreecommitdiffstats
path: root/contrib/file/readelf.h
blob: bc5e8e56c8f430363a38b94cce6d2005455d9dd1 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
/*
 * Copyright (c) Christos Zoulas 2003.
 * All Rights Reserved.
 * 
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice immediately at the beginning of the file, without modification,
 *    this list of conditions, and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *  
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 */
/*
 * @(#)Id: readelf.h,v 1.9 2002/05/16 18:45:56 christos Exp
 *
 * Provide elf data structures for non-elf machines, allowing file
 * non-elf hosts to determine if an elf binary is stripped.
 * Note: cobbled from the linux header file, with modifications
 */
#ifndef __fake_elf_h__
#define __fake_elf_h__

#if HAVE_STDINT_H
#include <stdint.h>
#endif

typedef uint32_t	Elf32_Addr;
typedef uint32_t	Elf32_Off;
typedef uint16_t	Elf32_Half;
typedef uint32_t	Elf32_Word;
typedef uint8_t		Elf32_Char;

#if SIZEOF_UINT64_T != 8
#define USE_ARRAY_FOR_64BIT_TYPES
typedef	uint32_t 	Elf64_Addr[2];
typedef	uint32_t 	Elf64_Off[2];
typedef uint32_t 	Elf64_Xword[2];
#else
typedef	uint64_t 	Elf64_Addr;
typedef	uint64_t 	Elf64_Off;
typedef uint64_t 	Elf64_Xword;
#endif
typedef uint16_t	Elf64_Half;
typedef uint32_t	Elf64_Word;
typedef uint8_t		Elf64_Char;

#define EI_NIDENT	16

typedef struct {
    Elf32_Char	e_ident[EI_NIDENT];
    Elf32_Half	e_type;
    Elf32_Half	e_machine;
    Elf32_Word	e_version;
    Elf32_Addr	e_entry;  /* Entry point */
    Elf32_Off	e_phoff;
    Elf32_Off	e_shoff;
    Elf32_Word	e_flags;
    Elf32_Half	e_ehsize;
    Elf32_Half	e_phentsize;
    Elf32_Half	e_phnum;
    Elf32_Half	e_shentsize;
    Elf32_Half	e_shnum;
    Elf32_Half	e_shstrndx;
} Elf32_Ehdr;

typedef struct {
    Elf64_Char	e_ident[EI_NIDENT];
    Elf64_Half	e_type;
    Elf64_Half	e_machine;
    Elf64_Word	e_version;
    Elf64_Addr	e_entry;  /* Entry point */
    Elf64_Off	e_phoff;
    Elf64_Off	e_shoff;
    Elf64_Word	e_flags;
    Elf64_Half	e_ehsize;
    Elf64_Half	e_phentsize;
    Elf64_Half	e_phnum;
    Elf64_Half	e_shentsize;
    Elf64_Half	e_shnum;
    Elf64_Half	e_shstrndx;
} Elf64_Ehdr;

/* e_type */
#define ET_EXEC		2
#define ET_CORE		4

/* sh_type */
#define SHT_SYMTAB	2
#define SHT_NOTE	7
#define SHT_DYNSYM	11

/* elf type */
#define ELFDATANONE	0		/* e_ident[EI_DATA] */
#define ELFDATA2LSB	1
#define ELFDATA2MSB	2

/* elf class */
#define ELFCLASSNONE	0
#define ELFCLASS32	1
#define ELFCLASS64	2

/* magic number */
#define	EI_MAG0		0		/* e_ident[] indexes */
#define	EI_MAG1		1
#define	EI_MAG2		2
#define	EI_MAG3		3
#define	EI_CLASS	4
#define	EI_DATA		5
#define	EI_VERSION	6
#define	EI_PAD		7

#define	ELFMAG0		0x7f		/* EI_MAG */
#define	ELFMAG1		'E'
#define	ELFMAG2		'L'
#define	ELFMAG3		'F'
#define	ELFMAG		"\177ELF"

#define	OLFMAG1		'O'
#define	OLFMAG		"\177OLF"

typedef struct {
    Elf32_Word	p_type;
    Elf32_Off	p_offset;
    Elf32_Addr	p_vaddr;
    Elf32_Addr	p_paddr;
    Elf32_Word	p_filesz;
    Elf32_Word	p_memsz;
    Elf32_Word	p_flags;
    Elf32_Word	p_align;
} Elf32_Phdr;

typedef struct {
    Elf64_Word	p_type;
    Elf64_Word	p_flags;
    Elf64_Off	p_offset;
    Elf64_Addr	p_vaddr;
    Elf64_Addr	p_paddr;
    Elf64_Xword	p_filesz;
    Elf64_Xword	p_memsz;
    Elf64_Xword	p_align;
} Elf64_Phdr;

#define	PT_NULL		0		/* p_type */
#define	PT_LOAD		1
#define	PT_DYNAMIC	2
#define	PT_INTERP	3
#define	PT_NOTE		4
#define	PT_SHLIB	5
#define	PT_PHDR		6
#define	PT_NUM		7

typedef struct {
    Elf32_Word	sh_name;
    Elf32_Word	sh_type;
    Elf32_Word	sh_flags;
    Elf32_Addr	sh_addr;
    Elf32_Off	sh_offset;
    Elf32_Word	sh_size;
    Elf32_Word	sh_link;
    Elf32_Word	sh_info;
    Elf32_Word	sh_addralign;
    Elf32_Word	sh_entsize;
} Elf32_Shdr;

typedef struct {
    Elf64_Word	sh_name;
    Elf64_Word	sh_type;
    Elf64_Off	sh_flags;
    Elf64_Addr	sh_addr;
    Elf64_Off	sh_offset;
    Elf64_Off	sh_size;
    Elf64_Word	sh_link;
    Elf64_Word	sh_info;
    Elf64_Off	sh_addralign;
    Elf64_Off	sh_entsize;
} Elf64_Shdr;

/* Notes used in ET_CORE */
#define NT_PRSTATUS	1
#define NT_PRFPREG	2
#define NT_PRPSINFO	3
#define NT_TASKSTRUCT	4

#define	NT_NETBSD_CORE_PROCINFO		1

/* Note header in a PT_NOTE section */
typedef struct elf_note {
    Elf32_Word	n_namesz;	/* Name size */
    Elf32_Word	n_descsz;	/* Content size */
    Elf32_Word	n_type;		/* Content type */
} Elf32_Nhdr;

typedef struct {
    Elf64_Word	n_namesz;
    Elf64_Word	n_descsz;
    Elf64_Word	n_type;
} Elf64_Nhdr;

#define	NT_PRSTATUS	1
#define	NT_PRFPREG	2
#define	NT_PRPSINFO	3
#define	NT_PRXREG	4
#define	NT_PLATFORM	5
#define	NT_AUXV		6

/* Note types used in executables */
/* NetBSD executables (name = "NetBSD") */
#define NT_NETBSD_VERSION	1
#define NT_NETBSD_EMULATION	2
#define NT_FREEBSD_VERSION	1
#define NT_OPENBSD_VERSION	1
/* GNU executables (name = "GNU") */
#define NT_GNU_VERSION		1

/* GNU OS tags */
#define GNU_OS_LINUX	0
#define GNU_OS_HURD	1
#define GNU_OS_SOLARIS	2

#endif
OpenPOWER on IntegriCloud