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 3764 2019-06-28 21:44:46Z 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(__powerpc64__)
95
96#define	LIBELF_ARCH		EM_PPC64
97#if	__BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
98#define	LIBELF_BYTEORDER	ELFDATA2LSB
99#else
100#define	LIBELF_BYTEORDER	ELFDATA2MSB
101#endif
102#define	LIBELF_CLASS		ELFCLASS64
103
104#elif	defined(__powerpc__)
105
106#define	LIBELF_ARCH		EM_PPC
107#define	LIBELF_BYTEORDER	ELFDATA2MSB
108#define	LIBELF_CLASS		ELFCLASS32
109
110#elif	defined(__riscv) && (__riscv_xlen == 64)
111
112#define	LIBELF_ARCH		EM_RISCV
113#define	LIBELF_BYTEORDER	ELFDATA2LSB
114#define	LIBELF_CLASS		ELFCLASS64
115
116#elif	defined(__riscv64)
117
118#define	LIBELF_ARCH		EM_RISCV
119#define	LIBELF_BYTEORDER	ELFDATA2LSB
120#define	LIBELF_CLASS		ELFCLASS64
121
122#elif	defined(__sparc__)
123
124#define	LIBELF_ARCH		EM_SPARCV9
125#define	LIBELF_BYTEORDER	ELFDATA2MSB
126#define	LIBELF_CLASS		ELFCLASS64
127
128#else
129#error	Unknown FreeBSD architecture.
130#endif
131#endif  /* __FreeBSD__ */
132
133/*
134 * Definitions for Minix3.
135 */
136#ifdef __minix
137
138#define	LIBELF_ARCH		EM_386
139#define	LIBELF_BYTEORDER	ELFDATA2LSB
140#define	LIBELF_CLASS		ELFCLASS32
141
142#endif	/* __minix */
143
144#ifdef __NetBSD__
145
146#include <machine/elf_machdep.h>
147
148#if	!defined(ARCH_ELFSIZE)
149#error	ARCH_ELFSIZE is not defined.
150#endif
151
152#if	ARCH_ELFSIZE == 32
153#define	LIBELF_ARCH		ELF32_MACHDEP_ID
154#define	LIBELF_BYTEORDER	ELF32_MACHDEP_ENDIANNESS
155#define	LIBELF_CLASS		ELFCLASS32
156#define	Elf_Note		Elf32_Nhdr
157#else
158#define	LIBELF_ARCH		ELF64_MACHDEP_ID
159#define	LIBELF_BYTEORDER	ELF64_MACHDEP_ENDIANNESS
160#define	LIBELF_CLASS		ELFCLASS64
161#define	Elf_Note		Elf64_Nhdr
162#endif
163
164#endif	/* __NetBSD__ */
165
166#if defined(__OpenBSD__)
167
168#include <machine/exec.h>
169
170#define	LIBELF_ARCH		ELF_TARG_MACH
171#define	LIBELF_BYTEORDER	ELF_TARG_DATA
172#define	LIBELF_CLASS		ELF_TARG_CLASS
173
174#endif
175
176/*
177 * GNU & Linux compatibility.
178 *
179 * `__linux__' is defined in an environment runs the Linux kernel and glibc.
180 * `__GNU__' is defined in an environment runs a GNU kernel (Hurd) and glibc.
181 * `__GLIBC__' is defined for an environment that runs glibc over a non-GNU
182 *     kernel such as GNU/kFreeBSD.
183 */
184
185#if defined(__linux__) || defined(__GNU__) || defined(__GLIBC__)
186
187#if defined(__linux__)
188
189#include "native-elf-format.h"
190
191#define	LIBELF_CLASS		ELFTC_CLASS
192#define	LIBELF_ARCH		ELFTC_ARCH
193#define	LIBELF_BYTEORDER	ELFTC_BYTEORDER
194
195#endif	/* defined(__linux__) */
196
197#if	LIBELF_CLASS == ELFCLASS32
198#define	Elf_Note		Elf32_Nhdr
199#elif   LIBELF_CLASS == ELFCLASS64
200#define	Elf_Note		Elf64_Nhdr
201#else
202#error  LIBELF_CLASS needs to be one of ELFCLASS32 or ELFCLASS64
203#endif
204
205#endif /* defined(__linux__) || defined(__GNU__) || defined(__GLIBC__) */
206