xref: /dragonfly/contrib/file/src/readelf.h (revision 9ddb8543)
1 /*
2  * Copyright (c) Christos Zoulas 2003.
3  * All Rights Reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions
7  * are met:
8  * 1. Redistributions of source code must retain the above copyright
9  *    notice immediately at the beginning of the file, without modification,
10  *    this list of conditions, and the following disclaimer.
11  * 2. Redistributions in binary form must reproduce the above copyright
12  *    notice, this list of conditions and the following disclaimer in the
13  *    documentation and/or other materials provided with the distribution.
14  *
15  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
16  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18  * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
19  * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
21  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
23  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
25  * SUCH DAMAGE.
26  */
27 /*
28  * @(#)Id: readelf.h,v 1.9 2002/05/16 18:45:56 christos Exp
29  *
30  * Provide elf data structures for non-elf machines, allowing file
31  * non-elf hosts to determine if an elf binary is stripped.
32  * Note: cobbled from the linux header file, with modifications
33  */
34 #ifndef __fake_elf_h__
35 #define __fake_elf_h__
36 
37 #if HAVE_STDINT_H
38 #include <stdint.h>
39 #endif
40 
41 typedef uint32_t	Elf32_Addr;
42 typedef uint32_t	Elf32_Off;
43 typedef uint16_t	Elf32_Half;
44 typedef uint32_t	Elf32_Word;
45 typedef uint8_t		Elf32_Char;
46 
47 #if SIZEOF_LONG_LONG != 8
48 #define USE_ARRAY_FOR_64BIT_TYPES
49 typedef	uint32_t 	Elf64_Addr[2];
50 typedef	uint32_t 	Elf64_Off[2];
51 typedef uint32_t 	Elf64_Xword[2];
52 #else
53 #undef USE_ARRAY_FOR_64BIT_TYPES
54 typedef	uint64_t 	Elf64_Addr;
55 typedef	uint64_t 	Elf64_Off;
56 typedef uint64_t 	Elf64_Xword;
57 #endif
58 typedef uint16_t	Elf64_Half;
59 typedef uint32_t	Elf64_Word;
60 typedef uint8_t		Elf64_Char;
61 
62 #define EI_NIDENT	16
63 
64 typedef struct {
65     Elf32_Char	e_ident[EI_NIDENT];
66     Elf32_Half	e_type;
67     Elf32_Half	e_machine;
68     Elf32_Word	e_version;
69     Elf32_Addr	e_entry;  /* Entry point */
70     Elf32_Off	e_phoff;
71     Elf32_Off	e_shoff;
72     Elf32_Word	e_flags;
73     Elf32_Half	e_ehsize;
74     Elf32_Half	e_phentsize;
75     Elf32_Half	e_phnum;
76     Elf32_Half	e_shentsize;
77     Elf32_Half	e_shnum;
78     Elf32_Half	e_shstrndx;
79 } Elf32_Ehdr;
80 
81 typedef struct {
82     Elf64_Char	e_ident[EI_NIDENT];
83     Elf64_Half	e_type;
84     Elf64_Half	e_machine;
85     Elf64_Word	e_version;
86     Elf64_Addr	e_entry;  /* Entry point */
87     Elf64_Off	e_phoff;
88     Elf64_Off	e_shoff;
89     Elf64_Word	e_flags;
90     Elf64_Half	e_ehsize;
91     Elf64_Half	e_phentsize;
92     Elf64_Half	e_phnum;
93     Elf64_Half	e_shentsize;
94     Elf64_Half	e_shnum;
95     Elf64_Half	e_shstrndx;
96 } Elf64_Ehdr;
97 
98 /* e_type */
99 #define ET_REL		1
100 #define ET_EXEC		2
101 #define ET_DYN		3
102 #define ET_CORE		4
103 
104 /* e_machine (used only for SunOS 5.x hardware capabilities) */
105 #define	EM_SPARC	2
106 #define	EM_386		3
107 #define	EM_SPARC32PLUS	18
108 #define	EM_SPARCV9	43
109 #define	EM_IA_64	50
110 #define	EM_AMD64	62
111 
112 /* sh_type */
113 #define SHT_SYMTAB	2
114 #define SHT_NOTE	7
115 #define SHT_DYNSYM	11
116 #define SHT_SUNW_cap	0x6ffffff5	/* SunOS 5.x hw/sw capabilites */
117 
118 /* elf type */
119 #define ELFDATANONE	0		/* e_ident[EI_DATA] */
120 #define ELFDATA2LSB	1
121 #define ELFDATA2MSB	2
122 
123 /* elf class */
124 #define ELFCLASSNONE	0
125 #define ELFCLASS32	1
126 #define ELFCLASS64	2
127 
128 /* magic number */
129 #define	EI_MAG0		0		/* e_ident[] indexes */
130 #define	EI_MAG1		1
131 #define	EI_MAG2		2
132 #define	EI_MAG3		3
133 #define	EI_CLASS	4
134 #define	EI_DATA		5
135 #define	EI_VERSION	6
136 #define	EI_PAD		7
137 
138 #define	ELFMAG0		0x7f		/* EI_MAG */
139 #define	ELFMAG1		'E'
140 #define	ELFMAG2		'L'
141 #define	ELFMAG3		'F'
142 #define	ELFMAG		"\177ELF"
143 
144 #define	OLFMAG1		'O'
145 #define	OLFMAG		"\177OLF"
146 
147 typedef struct {
148     Elf32_Word	p_type;
149     Elf32_Off	p_offset;
150     Elf32_Addr	p_vaddr;
151     Elf32_Addr	p_paddr;
152     Elf32_Word	p_filesz;
153     Elf32_Word	p_memsz;
154     Elf32_Word	p_flags;
155     Elf32_Word	p_align;
156 } Elf32_Phdr;
157 
158 typedef struct {
159     Elf64_Word	p_type;
160     Elf64_Word	p_flags;
161     Elf64_Off	p_offset;
162     Elf64_Addr	p_vaddr;
163     Elf64_Addr	p_paddr;
164     Elf64_Xword	p_filesz;
165     Elf64_Xword	p_memsz;
166     Elf64_Xword	p_align;
167 } Elf64_Phdr;
168 
169 #define	PT_NULL		0		/* p_type */
170 #define	PT_LOAD		1
171 #define	PT_DYNAMIC	2
172 #define	PT_INTERP	3
173 #define	PT_NOTE		4
174 #define	PT_SHLIB	5
175 #define	PT_PHDR		6
176 #define	PT_NUM		7
177 
178 typedef struct {
179     Elf32_Word	sh_name;
180     Elf32_Word	sh_type;
181     Elf32_Word	sh_flags;
182     Elf32_Addr	sh_addr;
183     Elf32_Off	sh_offset;
184     Elf32_Word	sh_size;
185     Elf32_Word	sh_link;
186     Elf32_Word	sh_info;
187     Elf32_Word	sh_addralign;
188     Elf32_Word	sh_entsize;
189 } Elf32_Shdr;
190 
191 typedef struct {
192     Elf64_Word	sh_name;
193     Elf64_Word	sh_type;
194     Elf64_Off	sh_flags;
195     Elf64_Addr	sh_addr;
196     Elf64_Off	sh_offset;
197     Elf64_Off	sh_size;
198     Elf64_Word	sh_link;
199     Elf64_Word	sh_info;
200     Elf64_Off	sh_addralign;
201     Elf64_Off	sh_entsize;
202 } Elf64_Shdr;
203 
204 #define	NT_NETBSD_CORE_PROCINFO		1
205 
206 /* Note header in a PT_NOTE section */
207 typedef struct elf_note {
208     Elf32_Word	n_namesz;	/* Name size */
209     Elf32_Word	n_descsz;	/* Content size */
210     Elf32_Word	n_type;		/* Content type */
211 } Elf32_Nhdr;
212 
213 typedef struct {
214     Elf64_Word	n_namesz;
215     Elf64_Word	n_descsz;
216     Elf64_Word	n_type;
217 } Elf64_Nhdr;
218 
219 /* Notes used in ET_CORE */
220 #define	NT_PRSTATUS	1
221 #define	NT_PRFPREG	2
222 #define	NT_PRPSINFO	3
223 #define	NT_PRXREG	4
224 #define NT_TASKSTRUCT	4
225 #define	NT_PLATFORM	5
226 #define	NT_AUXV		6
227 
228 /* Note types used in executables */
229 /* NetBSD executables (name = "NetBSD") */
230 #define NT_NETBSD_VERSION	1
231 #define NT_NETBSD_EMULATION	2
232 #define NT_FREEBSD_VERSION	1
233 #define NT_OPENBSD_VERSION	1
234 #define NT_DRAGONFLY_VERSION	1
235 /* GNU executables (name = "GNU") */
236 #define NT_GNU_VERSION		1
237 
238 /* GNU OS tags */
239 #define GNU_OS_LINUX	0
240 #define GNU_OS_HURD	1
241 #define GNU_OS_SOLARIS	2
242 #define GNU_OS_KFREEBSD	3
243 #define GNU_OS_KNETBSD	4
244 
245 /* SunOS 5.x hardware/software capabilities */
246 typedef struct {
247 	Elf32_Word	c_tag;
248 	union {
249 		Elf32_Word	c_val;
250 		Elf32_Addr	c_ptr;
251 	} c_un;
252 } Elf32_Cap;
253 
254 typedef struct {
255 	Elf64_Xword	c_tag;
256 	union {
257 		Elf64_Xword	c_val;
258 		Elf64_Addr	c_ptr;
259 	} c_un;
260 } Elf64_Cap;
261 
262 /* SunOS 5.x hardware/software capability tags */
263 #define	CA_SUNW_NULL	0
264 #define	CA_SUNW_HW_1	1
265 #define	CA_SUNW_SF_1	2
266 
267 /* SunOS 5.x software capabilities */
268 #define	SF1_SUNW_FPKNWN	0x01
269 #define	SF1_SUNW_FPUSED	0x02
270 #define	SF1_SUNW_MASK	0x03
271 
272 /* SunOS 5.x hardware capabilities: sparc */
273 #define	AV_SPARC_MUL32		0x0001
274 #define	AV_SPARC_DIV32		0x0002
275 #define	AV_SPARC_FSMULD		0x0004
276 #define	AV_SPARC_V8PLUS		0x0008
277 #define	AV_SPARC_POPC		0x0010
278 #define	AV_SPARC_VIS		0x0020
279 #define	AV_SPARC_VIS2		0x0040
280 #define	AV_SPARC_ASI_BLK_INIT	0x0080
281 #define	AV_SPARC_FMAF		0x0100
282 #define	AV_SPARC_FJFMAU		0x4000
283 #define	AV_SPARC_IMA		0x8000
284 
285 /* SunOS 5.x hardware capabilities: 386 */
286 #define	AV_386_FPU		0x00000001
287 #define	AV_386_TSC		0x00000002
288 #define	AV_386_CX8		0x00000004
289 #define	AV_386_SEP		0x00000008
290 #define	AV_386_AMD_SYSC		0x00000010
291 #define	AV_386_CMOV		0x00000020
292 #define	AV_386_MMX		0x00000040
293 #define	AV_386_AMD_MMX		0x00000080
294 #define	AV_386_AMD_3DNow	0x00000100
295 #define	AV_386_AMD_3DNowx	0x00000200
296 #define	AV_386_FXSR		0x00000400
297 #define	AV_386_SSE		0x00000800
298 #define	AV_386_SSE2		0x00001000
299 #define	AV_386_PAUSE		0x00002000
300 #define	AV_386_SSE3		0x00004000
301 #define	AV_386_MON		0x00008000
302 #define	AV_386_CX16		0x00010000
303 #define	AV_386_AHF		0x00020000
304 #define	AV_386_TSCP		0x00040000
305 #define	AV_386_AMD_SSE4A	0x00080000
306 #define	AV_386_POPCNT		0x00100000
307 #define	AV_386_AMD_LZCNT	0x00200000
308 #define	AV_386_SSSE3		0x00400000
309 #define	AV_386_SSE4_1		0x00800000
310 #define	AV_386_SSE4_2		0x01000000
311 
312 #endif
313