2 * Copyright (c) 2008-2011 Joseph Koshy
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
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.
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
26 * $Id: _libelf_config.h 3764 2019-06-28 21:44:46Z emaste $
29 #if defined(__APPLE__) || defined(__DragonFly__)
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
41 #endif /* __DragonFly__ */
46 * Define LIBELF_{ARCH,BYTEORDER,CLASS} based on the machine architecture.
47 * See also: <machine/elf.h>.
50 #if defined(__amd64__)
52 #define LIBELF_ARCH EM_X86_64
53 #define LIBELF_BYTEORDER ELFDATA2LSB
54 #define LIBELF_CLASS ELFCLASS64
56 #elif defined(__aarch64__)
58 #define LIBELF_ARCH EM_AARCH64
59 #define LIBELF_BYTEORDER ELFDATA2LSB
60 #define LIBELF_CLASS ELFCLASS64
62 #elif defined(__arm__)
64 #define LIBELF_ARCH EM_ARM
65 #if defined(__ARMEB__) /* Big-endian ARM. */
66 #define LIBELF_BYTEORDER ELFDATA2MSB
68 #define LIBELF_BYTEORDER ELFDATA2LSB
70 #define LIBELF_CLASS ELFCLASS32
72 #elif defined(__i386__)
74 #define LIBELF_ARCH EM_386
75 #define LIBELF_BYTEORDER ELFDATA2LSB
76 #define LIBELF_CLASS ELFCLASS32
78 #elif defined(__ia64__)
80 #define LIBELF_ARCH EM_IA_64
81 #define LIBELF_BYTEORDER ELFDATA2LSB
82 #define LIBELF_CLASS ELFCLASS64
84 #elif defined(__mips__)
86 #define LIBELF_ARCH EM_MIPS
87 #if defined(__MIPSEB__)
88 #define LIBELF_BYTEORDER ELFDATA2MSB
90 #define LIBELF_BYTEORDER ELFDATA2LSB
92 #define LIBELF_CLASS ELFCLASS32
94 #elif defined(__powerpc64__)
96 #define LIBELF_ARCH EM_PPC64
97 #define LIBELF_BYTEORDER ELFDATA2MSB
98 #define LIBELF_CLASS ELFCLASS64
100 #elif defined(__powerpc__)
102 #define LIBELF_ARCH EM_PPC
103 #define LIBELF_BYTEORDER ELFDATA2MSB
104 #define LIBELF_CLASS ELFCLASS32
106 #elif defined(__riscv) && (__riscv_xlen == 64)
108 #define LIBELF_ARCH EM_RISCV
109 #define LIBELF_BYTEORDER ELFDATA2LSB
110 #define LIBELF_CLASS ELFCLASS64
112 #elif defined(__riscv64)
114 #define LIBELF_ARCH EM_RISCV
115 #define LIBELF_BYTEORDER ELFDATA2LSB
116 #define LIBELF_CLASS ELFCLASS64
118 #elif defined(__sparc__)
120 #define LIBELF_ARCH EM_SPARCV9
121 #define LIBELF_BYTEORDER ELFDATA2MSB
122 #define LIBELF_CLASS ELFCLASS64
125 #error Unknown FreeBSD architecture.
127 #endif /* __FreeBSD__ */
130 * Definitions for Minix3.
134 #define LIBELF_ARCH EM_386
135 #define LIBELF_BYTEORDER ELFDATA2LSB
136 #define LIBELF_CLASS ELFCLASS32
142 #include <machine/elf_machdep.h>
144 #if !defined(ARCH_ELFSIZE)
145 #error ARCH_ELFSIZE is not defined.
148 #if ARCH_ELFSIZE == 32
149 #define LIBELF_ARCH ELF32_MACHDEP_ID
150 #define LIBELF_BYTEORDER ELF32_MACHDEP_ENDIANNESS
151 #define LIBELF_CLASS ELFCLASS32
152 #define Elf_Note Elf32_Nhdr
154 #define LIBELF_ARCH ELF64_MACHDEP_ID
155 #define LIBELF_BYTEORDER ELF64_MACHDEP_ENDIANNESS
156 #define LIBELF_CLASS ELFCLASS64
157 #define Elf_Note Elf64_Nhdr
160 #endif /* __NetBSD__ */
162 #if defined(__OpenBSD__)
164 #include <machine/exec.h>
166 #define LIBELF_ARCH ELF_TARG_MACH
167 #define LIBELF_BYTEORDER ELF_TARG_DATA
168 #define LIBELF_CLASS ELF_TARG_CLASS
173 * GNU & Linux compatibility.
175 * `__linux__' is defined in an environment runs the Linux kernel and glibc.
176 * `__GNU__' is defined in an environment runs a GNU kernel (Hurd) and glibc.
177 * `__GLIBC__' is defined for an environment that runs glibc over a non-GNU
178 * kernel such as GNU/kFreeBSD.
181 #if defined(__linux__) || defined(__GNU__) || defined(__GLIBC__)
183 #if defined(__linux__)
185 #include "native-elf-format.h"
187 #define LIBELF_CLASS ELFTC_CLASS
188 #define LIBELF_ARCH ELFTC_ARCH
189 #define LIBELF_BYTEORDER ELFTC_BYTEORDER
191 #endif /* defined(__linux__) */
193 #if LIBELF_CLASS == ELFCLASS32
194 #define Elf_Note Elf32_Nhdr
195 #elif LIBELF_CLASS == ELFCLASS64
196 #define Elf_Note Elf64_Nhdr
198 #error LIBELF_CLASS needs to be one of ELFCLASS32 or ELFCLASS64
201 #endif /* defined(__linux__) || defined(__GNU__) || defined(__GLIBC__) */