summaryrefslogtreecommitdiffstats
path: root/contrib/file/readelf.h
blob: c79e84447b6cf2d384819648f14cbd9424c55325 (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
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
/*
 * 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_LONG_LONG != 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
#undef USE_ARRAY_FOR_64BIT_TYPES
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_REL		1
#define	ET_EXEC		2
#define	ET_DYN		3
#define	ET_CORE		4

/* e_machine (used only for SunOS 5.x hardware capabilities) */
#define	EM_SPARC	2
#define	EM_386		3
#define	EM_SPARC32PLUS	18
#define	EM_SPARCV9	43
#define	EM_IA_64	50
#define	EM_AMD64	62

/* sh_type */
#define	SHT_SYMTAB	2
#define	SHT_NOTE	7
#define	SHT_DYNSYM	11
#define	SHT_SUNW_cap	0x6ffffff5	/* SunOS 5.x hw/sw capabilites */

/* 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;

#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;

/* Notes used in ET_CORE */
#define	NT_PRSTATUS	1
#define	NT_PRFPREG	2
#define	NT_PRPSINFO	3
#define	NT_PRXREG	4
#define	NT_TASKSTRUCT	4
#define	NT_PLATFORM	5
#define	NT_AUXV		6
#define	NT_THRMISC	7

/* 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
#define	NT_DRAGONFLY_VERSION	1
/*
 * GNU executables (name = "GNU")
 * word[0]: GNU OS tags
 * word[1]: major version
 * word[2]: minor version
 * word[3]: tiny version
 */
#define	NT_GNU_VERSION		1

/* GNU OS tags */
#define	GNU_OS_LINUX	0
#define	GNU_OS_HURD	1
#define	GNU_OS_SOLARIS	2
#define	GNU_OS_KFREEBSD	3
#define	GNU_OS_KNETBSD	4

/*
 * GNU Hardware capability information 
 * word[0]: Number of entries
 * word[1]: Bitmask of enabled entries
 * Followed by a byte id, and a NUL terminated string per entry
 */
#define	NT_GNU_HWCAP		2

/*
 * GNU Build ID generated by ld
 * 160 bit SHA1 [default] 
 * 128 bit md5 or uuid
 */
#define	NT_GNU_BUILD_ID		3

/* SunOS 5.x hardware/software capabilities */
typedef struct {
	Elf32_Word	c_tag;
	union {
		Elf32_Word	c_val;
		Elf32_Addr	c_ptr;
	} c_un;
} Elf32_Cap;

typedef struct {
	Elf64_Xword	c_tag;
	union {
		Elf64_Xword	c_val;
		Elf64_Addr	c_ptr;
	} c_un;
} Elf64_Cap;

/* SunOS 5.x hardware/software capability tags */
#define	CA_SUNW_NULL	0
#define	CA_SUNW_HW_1	1
#define	CA_SUNW_SF_1	2

/* SunOS 5.x software capabilities */
#define	SF1_SUNW_FPKNWN	0x01
#define	SF1_SUNW_FPUSED	0x02
#define	SF1_SUNW_MASK	0x03

/* SunOS 5.x hardware capabilities: sparc */
#define	AV_SPARC_MUL32		0x0001
#define	AV_SPARC_DIV32		0x0002
#define	AV_SPARC_FSMULD		0x0004
#define	AV_SPARC_V8PLUS		0x0008
#define	AV_SPARC_POPC		0x0010
#define	AV_SPARC_VIS		0x0020
#define	AV_SPARC_VIS2		0x0040
#define	AV_SPARC_ASI_BLK_INIT	0x0080
#define	AV_SPARC_FMAF		0x0100
#define	AV_SPARC_FJFMAU		0x4000
#define	AV_SPARC_IMA		0x8000

/* SunOS 5.x hardware capabilities: 386 */
#define	AV_386_FPU		0x00000001
#define	AV_386_TSC		0x00000002
#define	AV_386_CX8		0x00000004
#define	AV_386_SEP		0x00000008
#define	AV_386_AMD_SYSC		0x00000010
#define	AV_386_CMOV		0x00000020
#define	AV_386_MMX		0x00000040
#define	AV_386_AMD_MMX		0x00000080
#define	AV_386_AMD_3DNow	0x00000100
#define	AV_386_AMD_3DNowx	0x00000200
#define	AV_386_FXSR		0x00000400
#define	AV_386_SSE		0x00000800
#define	AV_386_SSE2		0x00001000
#define	AV_386_PAUSE		0x00002000
#define	AV_386_SSE3		0x00004000
#define	AV_386_MON		0x00008000
#define	AV_386_CX16		0x00010000
#define	AV_386_AHF		0x00020000
#define	AV_386_TSCP		0x00040000
#define	AV_386_AMD_SSE4A	0x00080000
#define	AV_386_POPCNT		0x00100000
#define	AV_386_AMD_LZCNT	0x00200000
#define	AV_386_SSSE3		0x00400000
#define	AV_386_SSE4_1		0x00800000
#define	AV_386_SSE4_2		0x01000000

#endif
OpenPOWER on IntegriCloud