xref: /netbsd-src/external/bsd/file/dist/src/readelf.h (revision b1c86f5f087524e68db12794ee9c3e3da1ab17a0)
1 /*	$NetBSD: readelf.h,v 1.1.1.1 2009/05/08 16:35:06 christos Exp $	*/
2 
3 /*
4  * Copyright (c) Christos Zoulas 2003.
5  * All Rights Reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice immediately at the beginning of the file, without modification,
12  *    this list of conditions, and the following disclaimer.
13  * 2. Redistributions in binary form must reproduce the above copyright
14  *    notice, this list of conditions and the following disclaimer in the
15  *    documentation and/or other materials provided with the distribution.
16  *
17  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
18  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20  * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
21  * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27  * SUCH DAMAGE.
28  */
29 /*
30  * @(#)Id: readelf.h,v 1.9 2002/05/16 18:45:56 christos Exp
31  *
32  * Provide elf data structures for non-elf machines, allowing file
33  * non-elf hosts to determine if an elf binary is stripped.
34  * Note: cobbled from the linux header file, with modifications
35  */
36 #ifndef __fake_elf_h__
37 #define __fake_elf_h__
38 
39 #if HAVE_STDINT_H
40 #include <stdint.h>
41 #endif
42 
43 typedef uint32_t	Elf32_Addr;
44 typedef uint32_t	Elf32_Off;
45 typedef uint16_t	Elf32_Half;
46 typedef uint32_t	Elf32_Word;
47 typedef uint8_t		Elf32_Char;
48 
49 #if SIZEOF_LONG_LONG != 8
50 #define USE_ARRAY_FOR_64BIT_TYPES
51 typedef	uint32_t 	Elf64_Addr[2];
52 typedef	uint32_t 	Elf64_Off[2];
53 typedef uint32_t 	Elf64_Xword[2];
54 #else
55 #undef USE_ARRAY_FOR_64BIT_TYPES
56 typedef	uint64_t 	Elf64_Addr;
57 typedef	uint64_t 	Elf64_Off;
58 typedef uint64_t 	Elf64_Xword;
59 #endif
60 typedef uint16_t	Elf64_Half;
61 typedef uint32_t	Elf64_Word;
62 typedef uint8_t		Elf64_Char;
63 
64 #define EI_NIDENT	16
65 
66 typedef struct {
67     Elf32_Char	e_ident[EI_NIDENT];
68     Elf32_Half	e_type;
69     Elf32_Half	e_machine;
70     Elf32_Word	e_version;
71     Elf32_Addr	e_entry;  /* Entry point */
72     Elf32_Off	e_phoff;
73     Elf32_Off	e_shoff;
74     Elf32_Word	e_flags;
75     Elf32_Half	e_ehsize;
76     Elf32_Half	e_phentsize;
77     Elf32_Half	e_phnum;
78     Elf32_Half	e_shentsize;
79     Elf32_Half	e_shnum;
80     Elf32_Half	e_shstrndx;
81 } Elf32_Ehdr;
82 
83 typedef struct {
84     Elf64_Char	e_ident[EI_NIDENT];
85     Elf64_Half	e_type;
86     Elf64_Half	e_machine;
87     Elf64_Word	e_version;
88     Elf64_Addr	e_entry;  /* Entry point */
89     Elf64_Off	e_phoff;
90     Elf64_Off	e_shoff;
91     Elf64_Word	e_flags;
92     Elf64_Half	e_ehsize;
93     Elf64_Half	e_phentsize;
94     Elf64_Half	e_phnum;
95     Elf64_Half	e_shentsize;
96     Elf64_Half	e_shnum;
97     Elf64_Half	e_shstrndx;
98 } Elf64_Ehdr;
99 
100 /* e_type */
101 #define ET_REL		1
102 #define ET_EXEC		2
103 #define ET_DYN		3
104 #define ET_CORE		4
105 
106 /* e_machine (used only for SunOS 5.x hardware capabilities) */
107 #define	EM_SPARC	2
108 #define	EM_386		3
109 #define	EM_SPARC32PLUS	18
110 #define	EM_SPARCV9	43
111 #define	EM_IA_64	50
112 #define	EM_AMD64	62
113 
114 /* sh_type */
115 #define SHT_SYMTAB	2
116 #define SHT_NOTE	7
117 #define SHT_DYNSYM	11
118 #define SHT_SUNW_cap	0x6ffffff5	/* SunOS 5.x hw/sw capabilites */
119 
120 /* elf type */
121 #define ELFDATANONE	0		/* e_ident[EI_DATA] */
122 #define ELFDATA2LSB	1
123 #define ELFDATA2MSB	2
124 
125 /* elf class */
126 #define ELFCLASSNONE	0
127 #define ELFCLASS32	1
128 #define ELFCLASS64	2
129 
130 /* magic number */
131 #define	EI_MAG0		0		/* e_ident[] indexes */
132 #define	EI_MAG1		1
133 #define	EI_MAG2		2
134 #define	EI_MAG3		3
135 #define	EI_CLASS	4
136 #define	EI_DATA		5
137 #define	EI_VERSION	6
138 #define	EI_PAD		7
139 
140 #define	ELFMAG0		0x7f		/* EI_MAG */
141 #define	ELFMAG1		'E'
142 #define	ELFMAG2		'L'
143 #define	ELFMAG3		'F'
144 #define	ELFMAG		"\177ELF"
145 
146 #define	OLFMAG1		'O'
147 #define	OLFMAG		"\177OLF"
148 
149 typedef struct {
150     Elf32_Word	p_type;
151     Elf32_Off	p_offset;
152     Elf32_Addr	p_vaddr;
153     Elf32_Addr	p_paddr;
154     Elf32_Word	p_filesz;
155     Elf32_Word	p_memsz;
156     Elf32_Word	p_flags;
157     Elf32_Word	p_align;
158 } Elf32_Phdr;
159 
160 typedef struct {
161     Elf64_Word	p_type;
162     Elf64_Word	p_flags;
163     Elf64_Off	p_offset;
164     Elf64_Addr	p_vaddr;
165     Elf64_Addr	p_paddr;
166     Elf64_Xword	p_filesz;
167     Elf64_Xword	p_memsz;
168     Elf64_Xword	p_align;
169 } Elf64_Phdr;
170 
171 #define	PT_NULL		0		/* p_type */
172 #define	PT_LOAD		1
173 #define	PT_DYNAMIC	2
174 #define	PT_INTERP	3
175 #define	PT_NOTE		4
176 #define	PT_SHLIB	5
177 #define	PT_PHDR		6
178 #define	PT_NUM		7
179 
180 typedef struct {
181     Elf32_Word	sh_name;
182     Elf32_Word	sh_type;
183     Elf32_Word	sh_flags;
184     Elf32_Addr	sh_addr;
185     Elf32_Off	sh_offset;
186     Elf32_Word	sh_size;
187     Elf32_Word	sh_link;
188     Elf32_Word	sh_info;
189     Elf32_Word	sh_addralign;
190     Elf32_Word	sh_entsize;
191 } Elf32_Shdr;
192 
193 typedef struct {
194     Elf64_Word	sh_name;
195     Elf64_Word	sh_type;
196     Elf64_Off	sh_flags;
197     Elf64_Addr	sh_addr;
198     Elf64_Off	sh_offset;
199     Elf64_Off	sh_size;
200     Elf64_Word	sh_link;
201     Elf64_Word	sh_info;
202     Elf64_Off	sh_addralign;
203     Elf64_Off	sh_entsize;
204 } Elf64_Shdr;
205 
206 #define	NT_NETBSD_CORE_PROCINFO		1
207 
208 /* Note header in a PT_NOTE section */
209 typedef struct elf_note {
210     Elf32_Word	n_namesz;	/* Name size */
211     Elf32_Word	n_descsz;	/* Content size */
212     Elf32_Word	n_type;		/* Content type */
213 } Elf32_Nhdr;
214 
215 typedef struct {
216     Elf64_Word	n_namesz;
217     Elf64_Word	n_descsz;
218     Elf64_Word	n_type;
219 } Elf64_Nhdr;
220 
221 /* Notes used in ET_CORE */
222 #define	NT_PRSTATUS	1
223 #define	NT_PRFPREG	2
224 #define	NT_PRPSINFO	3
225 #define	NT_PRXREG	4
226 #define NT_TASKSTRUCT	4
227 #define	NT_PLATFORM	5
228 #define	NT_AUXV		6
229 
230 /* Note types used in executables */
231 /* NetBSD executables (name = "NetBSD") */
232 #define NT_NETBSD_VERSION	1
233 #define NT_NETBSD_EMULATION	2
234 #define NT_FREEBSD_VERSION	1
235 #define NT_OPENBSD_VERSION	1
236 #define NT_DRAGONFLY_VERSION	1
237 /* GNU executables (name = "GNU") */
238 #define NT_GNU_VERSION		1
239 
240 /* GNU OS tags */
241 #define GNU_OS_LINUX	0
242 #define GNU_OS_HURD	1
243 #define GNU_OS_SOLARIS	2
244 #define GNU_OS_KFREEBSD	3
245 #define GNU_OS_KNETBSD	4
246 
247 /* SunOS 5.x hardware/software capabilities */
248 typedef struct {
249 	Elf32_Word	c_tag;
250 	union {
251 		Elf32_Word	c_val;
252 		Elf32_Addr	c_ptr;
253 	} c_un;
254 } Elf32_Cap;
255 
256 typedef struct {
257 	Elf64_Xword	c_tag;
258 	union {
259 		Elf64_Xword	c_val;
260 		Elf64_Addr	c_ptr;
261 	} c_un;
262 } Elf64_Cap;
263 
264 /* SunOS 5.x hardware/software capability tags */
265 #define	CA_SUNW_NULL	0
266 #define	CA_SUNW_HW_1	1
267 #define	CA_SUNW_SF_1	2
268 
269 /* SunOS 5.x software capabilities */
270 #define	SF1_SUNW_FPKNWN	0x01
271 #define	SF1_SUNW_FPUSED	0x02
272 #define	SF1_SUNW_MASK	0x03
273 
274 /* SunOS 5.x hardware capabilities: sparc */
275 #define	AV_SPARC_MUL32		0x0001
276 #define	AV_SPARC_DIV32		0x0002
277 #define	AV_SPARC_FSMULD		0x0004
278 #define	AV_SPARC_V8PLUS		0x0008
279 #define	AV_SPARC_POPC		0x0010
280 #define	AV_SPARC_VIS		0x0020
281 #define	AV_SPARC_VIS2		0x0040
282 #define	AV_SPARC_ASI_BLK_INIT	0x0080
283 #define	AV_SPARC_FMAF		0x0100
284 #define	AV_SPARC_FJFMAU		0x4000
285 #define	AV_SPARC_IMA		0x8000
286 
287 /* SunOS 5.x hardware capabilities: 386 */
288 #define	AV_386_FPU		0x00000001
289 #define	AV_386_TSC		0x00000002
290 #define	AV_386_CX8		0x00000004
291 #define	AV_386_SEP		0x00000008
292 #define	AV_386_AMD_SYSC		0x00000010
293 #define	AV_386_CMOV		0x00000020
294 #define	AV_386_MMX		0x00000040
295 #define	AV_386_AMD_MMX		0x00000080
296 #define	AV_386_AMD_3DNow	0x00000100
297 #define	AV_386_AMD_3DNowx	0x00000200
298 #define	AV_386_FXSR		0x00000400
299 #define	AV_386_SSE		0x00000800
300 #define	AV_386_SSE2		0x00001000
301 #define	AV_386_PAUSE		0x00002000
302 #define	AV_386_SSE3		0x00004000
303 #define	AV_386_MON		0x00008000
304 #define	AV_386_CX16		0x00010000
305 #define	AV_386_AHF		0x00020000
306 #define	AV_386_TSCP		0x00040000
307 #define	AV_386_AMD_SSE4A	0x00080000
308 #define	AV_386_POPCNT		0x00100000
309 #define	AV_386_AMD_LZCNT	0x00200000
310 #define	AV_386_SSSE3		0x00400000
311 #define	AV_386_SSE4_1		0x00800000
312 #define	AV_386_SSE4_2		0x01000000
313 
314 #endif
315