1/*-
2 * Copyright (c) 2008-2011 Joseph Koshy
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 * $Id: _libelf_config.h 3400 2016-02-12 18:38:49Z emaste $
27 */
28
29#if defined(__APPLE__) || defined(__DragonFly__)
30
31#if	defined(__amd64__)
32#define	LIBELF_ARCH		EM_X86_64
33#define	LIBELF_BYTEORDER	ELFDATA2LSB
34#define	LIBELF_CLASS		ELFCLASS64
35#elif	defined(__i386__)
36#define	LIBELF_ARCH		EM_386
37#define	LIBELF_BYTEORDER	ELFDATA2LSB
38#define	LIBELF_CLASS		ELFCLASS32
39#endif
40
41#endif	/* __DragonFly__ */
42
43#ifdef __FreeBSD__
44
45/*
46 * Define LIBELF_{ARCH,BYTEORDER,CLASS} based on the machine architecture.
47 * See also: <machine/elf.h>.
48 */
49
50#if	defined(__amd64__)
51
52#define	LIBELF_ARCH		EM_X86_64
53#define	LIBELF_BYTEORDER	ELFDATA2LSB
54#define	LIBELF_CLASS		ELFCLASS64
55
56#elif	defined(__aarch64__)
57
58#define	LIBELF_ARCH		EM_AARCH64
59#define	LIBELF_BYTEORDER	ELFDATA2LSB
60#define	LIBELF_CLASS		ELFCLASS64
61
62#elif	defined(__arm__)
63
64#define	LIBELF_ARCH		EM_ARM
65#if	defined(__ARMEB__)	/* Big-endian ARM. */
66#define	LIBELF_BYTEORDER	ELFDATA2MSB
67#else
68#define	LIBELF_BYTEORDER	ELFDATA2LSB
69#endif
70#define	LIBELF_CLASS		ELFCLASS32
71
72#elif	defined(__i386__)
73
74#define	LIBELF_ARCH		EM_386
75#define	LIBELF_BYTEORDER	ELFDATA2LSB
76#define	LIBELF_CLASS		ELFCLASS32
77
78#elif	defined(__ia64__)
79
80#define	LIBELF_ARCH		EM_IA_64
81#define	LIBELF_BYTEORDER	ELFDATA2LSB
82#define	LIBELF_CLASS		ELFCLASS64
83
84#elif	defined(__mips__)
85
86#define	LIBELF_ARCH		EM_MIPS
87#if	defined(__MIPSEB__)
88#define	LIBELF_BYTEORDER	ELFDATA2MSB
89#else
90#define	LIBELF_BYTEORDER	ELFDATA2LSB
91#endif
92#define	LIBELF_CLASS		ELFCLASS32
93
94#elif	defined(__powerpc__)
95
96#define	LIBELF_ARCH		EM_PPC
97#define	LIBELF_BYTEORDER	ELFDATA2MSB
98#define	LIBELF_CLASS		ELFCLASS32
99
100#elif	defined(__riscv64)
101
102#define	LIBELF_ARCH		EM_RISCV
103#define	LIBELF_BYTEORDER	ELFDATA2LSB
104#define	LIBELF_CLASS		ELFCLASS64
105
106#elif	defined(__sparc__)
107
108#define	LIBELF_ARCH		EM_SPARCV9
109#define	LIBELF_BYTEORDER	ELFDATA2MSB
110#define	LIBELF_CLASS		ELFCLASS64
111
112#else
113#error	Unknown FreeBSD architecture.
114#endif
115#endif  /* __FreeBSD__ */
116
117/*
118 * Definitions for Minix3.
119 */
120#ifdef __minix
121
122#define	LIBELF_ARCH		EM_386
123#define	LIBELF_BYTEORDER	ELFDATA2LSB
124#define	LIBELF_CLASS		ELFCLASS32
125
126#endif	/* __minix */
127
128#ifdef __NetBSD__
129
130#include <machine/elf_machdep.h>
131
132#if	!defined(ARCH_ELFSIZE)
133#error	ARCH_ELFSIZE is not defined.
134#endif
135
136#if	ARCH_ELFSIZE == 32
137#define	LIBELF_ARCH		ELF32_MACHDEP_ID
138#define	LIBELF_BYTEORDER	ELF32_MACHDEP_ENDIANNESS
139#define	LIBELF_CLASS		ELFCLASS32
140#define	Elf_Note		Elf32_Nhdr
141#else
142#define	LIBELF_ARCH		ELF64_MACHDEP_ID
143#define	LIBELF_BYTEORDER	ELF64_MACHDEP_ENDIANNESS
144#define	LIBELF_CLASS		ELFCLASS64
145#define	Elf_Note		Elf64_Nhdr
146#endif
147
148#endif	/* __NetBSD__ */
149
150#if defined(__OpenBSD__)
151
152#include <machine/exec.h>
153
154#define	LIBELF_ARCH		ELF_TARG_MACH
155#define	LIBELF_BYTEORDER	ELF_TARG_DATA
156#define	LIBELF_CLASS		ELF_TARG_CLASS
157
158#endif
159
160/*
161 * GNU & Linux compatibility.
162 *
163 * `__linux__' is defined in an environment runs the Linux kernel and glibc.
164 * `__GNU__' is defined in an environment runs a GNU kernel (Hurd) and glibc.
165 * `__GLIBC__' is defined for an environment that runs glibc over a non-GNU
166 *     kernel such as GNU/kFreeBSD.
167 */
168
169#if defined(__linux__) || defined(__GNU__) || defined(__GLIBC__)
170
171#if defined(__linux__)
172
173#include "native-elf-format.h"
174
175#define	LIBELF_CLASS		ELFTC_CLASS
176#define	LIBELF_ARCH		ELFTC_ARCH
177#define	LIBELF_BYTEORDER	ELFTC_BYTEORDER
178
179#endif	/* defined(__linux__) */
180
181#if	LIBELF_CLASS == ELFCLASS32
182#define	Elf_Note		Elf32_Nhdr
183#elif   LIBELF_CLASS == ELFCLASS64
184#define	Elf_Note		Elf64_Nhdr
185#else
186#error  LIBELF_CLASS needs to be one of ELFCLASS32 or ELFCLASS64
187#endif
188
189#endif /* defined(__linux__) || defined(__GNU__) || defined(__GLIBC__) */
190