summaryrefslogtreecommitdiff
path: root/lib/libelf/_libelf_config.h
blob: e89bf3b806d76c4bdfed09ed5fa6acb224bd7adf (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
/*-
 * Copyright (c) 2008-2011 Joseph Koshy
 * 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, 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: _libelf_config.h,v 1.2 2020/05/18 06:46:23 jsg Exp $
 */

#if defined(__APPLE__) || defined(__DragonFly__)

#if	defined(__amd64__)
#define	LIBELF_ARCH		EM_X86_64
#define	LIBELF_BYTEORDER	ELFDATA2LSB
#define	LIBELF_CLASS		ELFCLASS64
#elif	defined(__i386__)
#define	LIBELF_ARCH		EM_386
#define	LIBELF_BYTEORDER	ELFDATA2LSB
#define	LIBELF_CLASS		ELFCLASS32
#endif

#endif	/* __DragonFly__ */

#ifdef __FreeBSD__

/*
 * Define LIBELF_{ARCH,BYTEORDER,CLASS} based on the machine architecture.
 * See also: <machine/elf.h>.
 */

#if	defined(__amd64__)

#define	LIBELF_ARCH		EM_X86_64
#define	LIBELF_BYTEORDER	ELFDATA2LSB
#define	LIBELF_CLASS		ELFCLASS64

#elif	defined(__aarch64__)

#define	LIBELF_ARCH		EM_AARCH64
#define	LIBELF_BYTEORDER	ELFDATA2LSB
#define	LIBELF_CLASS		ELFCLASS64

#elif	defined(__arm__)

#define	LIBELF_ARCH		EM_ARM
#if	defined(__ARMEB__)	/* Big-endian ARM. */
#define	LIBELF_BYTEORDER	ELFDATA2MSB
#else
#define	LIBELF_BYTEORDER	ELFDATA2LSB
#endif
#define	LIBELF_CLASS		ELFCLASS32

#elif	defined(__i386__)

#define	LIBELF_ARCH		EM_386
#define	LIBELF_BYTEORDER	ELFDATA2LSB
#define	LIBELF_CLASS		ELFCLASS32

#elif	defined(__ia64__)

#define	LIBELF_ARCH		EM_IA_64
#define	LIBELF_BYTEORDER	ELFDATA2LSB
#define	LIBELF_CLASS		ELFCLASS64

#elif	defined(__mips__)

#define	LIBELF_ARCH		EM_MIPS
#if	defined(__MIPSEB__)
#define	LIBELF_BYTEORDER	ELFDATA2MSB
#else
#define	LIBELF_BYTEORDER	ELFDATA2LSB
#endif
#define	LIBELF_CLASS		ELFCLASS32

#elif	defined(__powerpc__)

#define	LIBELF_ARCH		EM_PPC
#define	LIBELF_BYTEORDER	ELFDATA2MSB
#define	LIBELF_CLASS		ELFCLASS32

#elif	defined(__riscv) && (__riscv_xlen == 64)

#define	LIBELF_ARCH		EM_RISCV
#define	LIBELF_BYTEORDER	ELFDATA2LSB
#define	LIBELF_CLASS		ELFCLASS64

#elif	defined(__riscv64)

#define	LIBELF_ARCH		EM_RISCV
#define	LIBELF_BYTEORDER	ELFDATA2LSB
#define	LIBELF_CLASS		ELFCLASS64

#elif	defined(__sparc__)

#define	LIBELF_ARCH		EM_SPARCV9
#define	LIBELF_BYTEORDER	ELFDATA2MSB
#define	LIBELF_CLASS		ELFCLASS64

#else
#error	Unknown FreeBSD architecture.
#endif
#endif  /* __FreeBSD__ */

/*
 * Definitions for Minix3.
 */
#ifdef __minix

#define	LIBELF_ARCH		EM_386
#define	LIBELF_BYTEORDER	ELFDATA2LSB
#define	LIBELF_CLASS		ELFCLASS32

#endif	/* __minix */

#ifdef __NetBSD__

#include <machine/elf_machdep.h>

#if	!defined(ARCH_ELFSIZE)
#error	ARCH_ELFSIZE is not defined.
#endif

#if	ARCH_ELFSIZE == 32
#define	LIBELF_ARCH		ELF32_MACHDEP_ID
#define	LIBELF_BYTEORDER	ELF32_MACHDEP_ENDIANNESS
#define	LIBELF_CLASS		ELFCLASS32
#define	Elf_Note		Elf32_Nhdr
#else
#define	LIBELF_ARCH		ELF64_MACHDEP_ID
#define	LIBELF_BYTEORDER	ELF64_MACHDEP_ENDIANNESS
#define	LIBELF_CLASS		ELFCLASS64
#define	Elf_Note		Elf64_Nhdr
#endif

#endif	/* __NetBSD__ */

#if defined(__OpenBSD__)

#include <machine/exec.h>

#define	LIBELF_ARCH		ELF_TARG_MACH
#define	LIBELF_BYTEORDER	ELF_TARG_DATA
#define	LIBELF_CLASS		ELF_TARG_CLASS

#endif

/*
 * GNU & Linux compatibility.
 *
 * `__linux__' is defined in an environment runs the Linux kernel and glibc.
 * `__GNU__' is defined in an environment runs a GNU kernel (Hurd) and glibc.
 * `__GLIBC__' is defined for an environment that runs glibc over a non-GNU
 *     kernel such as GNU/kFreeBSD.
 */

#if defined(__linux__) || defined(__GNU__) || defined(__GLIBC__)

#if defined(__linux__)

#include "native-elf-format.h"

#define	LIBELF_CLASS		ELFTC_CLASS
#define	LIBELF_ARCH		ELFTC_ARCH
#define	LIBELF_BYTEORDER	ELFTC_BYTEORDER

#endif	/* defined(__linux__) */

#if	LIBELF_CLASS == ELFCLASS32
#define	Elf_Note		Elf32_Nhdr
#elif   LIBELF_CLASS == ELFCLASS64
#define	Elf_Note		Elf64_Nhdr
#else
#error  LIBELF_CLASS needs to be one of ELFCLASS32 or ELFCLASS64
#endif

#endif /* defined(__linux__) || defined(__GNU__) || defined(__GLIBC__) */