xref: /illumos-gate/usr/src/boot/sys/sys/elf_generic.h (revision 199767f8)
1 /*-
2  * Copyright (c) 1998 John D. Polstra.
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, this list of conditions and the following disclaimer.
10  * 2. Redistributions in binary form must reproduce the above copyright
11  *    notice, this list of conditions and the following disclaimer in the
12  *    documentation and/or other materials provided with the distribution.
13  *
14  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24  * SUCH DAMAGE.
25  *
26  * $FreeBSD$
27  */
28 
29 #ifndef _SYS_ELF_GENERIC_H_
30 #define	_SYS_ELF_GENERIC_H_ 1
31 
32 #include <sys/cdefs.h>
33 
34 /*
35  * Definitions of generic ELF names which relieve applications from
36  * needing to know the word size.
37  */
38 
39 #if __ELF_WORD_SIZE != 32 && __ELF_WORD_SIZE != 64
40 #error "__ELF_WORD_SIZE must be defined as 32 or 64"
41 #endif
42 
43 #define	ELF_CLASS	__CONCAT(ELFCLASS,__ELF_WORD_SIZE)
44 
45 #if BYTE_ORDER == LITTLE_ENDIAN
46 #define	ELF_DATA	ELFDATA2LSB
47 #elif BYTE_ORDER == BIG_ENDIAN
48 #define	ELF_DATA	ELFDATA2MSB
49 #else
50 #error "Unknown byte order"
51 #endif
52 
53 #define	__elfN(x)	__CONCAT(__CONCAT(__CONCAT(elf,__ELF_WORD_SIZE),_),x)
54 #define	__ElfN(x)	__CONCAT(__CONCAT(__CONCAT(Elf,__ELF_WORD_SIZE),_),x)
55 #define	__ELFN(x)	__CONCAT(__CONCAT(__CONCAT(ELF,__ELF_WORD_SIZE),_),x)
56 #define	__ElfType(x)	typedef __ElfN(x) __CONCAT(Elf_,x)
57 
58 __ElfType(Addr);
59 __ElfType(Half);
60 __ElfType(Off);
61 __ElfType(Sword);
62 __ElfType(Word);
63 __ElfType(Ehdr);
64 __ElfType(Shdr);
65 __ElfType(Phdr);
66 __ElfType(Dyn);
67 __ElfType(Rel);
68 __ElfType(Rela);
69 __ElfType(Sym);
70 __ElfType(Verdef);
71 __ElfType(Verdaux);
72 __ElfType(Verneed);
73 __ElfType(Vernaux);
74 __ElfType(Versym);
75 
76 /* Non-standard ELF types. */
77 __ElfType(Hashelt);
78 __ElfType(Size);
79 __ElfType(Ssize);
80 
81 #define	ELF_R_SYM	__ELFN(R_SYM)
82 #define	ELF_R_TYPE	__ELFN(R_TYPE)
83 #define	ELF_R_INFO	__ELFN(R_INFO)
84 #define	ELF_ST_BIND	__ELFN(ST_BIND)
85 #define	ELF_ST_TYPE	__ELFN(ST_TYPE)
86 #define	ELF_ST_INFO	__ELFN(ST_INFO)
87 
88 #endif /* !_SYS_ELF_GENERIC_H_ */
89