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190 lines
4.9 KiB
C
190 lines
4.9 KiB
C
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/*-
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* Copyright (c) 2008-2011 Joseph Koshy
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $Id: _libelf_config.h,v 1.1 2019/02/01 05:27:37 jsg Exp $
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*/
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#if defined(__APPLE__) || defined(__DragonFly__)
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#if defined(__amd64__)
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#define LIBELF_ARCH EM_X86_64
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#define LIBELF_BYTEORDER ELFDATA2LSB
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#define LIBELF_CLASS ELFCLASS64
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#elif defined(__i386__)
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#define LIBELF_ARCH EM_386
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#define LIBELF_BYTEORDER ELFDATA2LSB
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#define LIBELF_CLASS ELFCLASS32
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#endif
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#endif /* __DragonFly__ */
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#ifdef __FreeBSD__
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/*
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* Define LIBELF_{ARCH,BYTEORDER,CLASS} based on the machine architecture.
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* See also: <machine/elf.h>.
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*/
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#if defined(__amd64__)
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#define LIBELF_ARCH EM_X86_64
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#define LIBELF_BYTEORDER ELFDATA2LSB
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#define LIBELF_CLASS ELFCLASS64
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#elif defined(__aarch64__)
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#define LIBELF_ARCH EM_AARCH64
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#define LIBELF_BYTEORDER ELFDATA2LSB
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#define LIBELF_CLASS ELFCLASS64
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#elif defined(__arm__)
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#define LIBELF_ARCH EM_ARM
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#if defined(__ARMEB__) /* Big-endian ARM. */
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#define LIBELF_BYTEORDER ELFDATA2MSB
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#else
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#define LIBELF_BYTEORDER ELFDATA2LSB
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#endif
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#define LIBELF_CLASS ELFCLASS32
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#elif defined(__i386__)
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#define LIBELF_ARCH EM_386
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#define LIBELF_BYTEORDER ELFDATA2LSB
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#define LIBELF_CLASS ELFCLASS32
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#elif defined(__ia64__)
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#define LIBELF_ARCH EM_IA_64
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#define LIBELF_BYTEORDER ELFDATA2LSB
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#define LIBELF_CLASS ELFCLASS64
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#elif defined(__mips__)
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#define LIBELF_ARCH EM_MIPS
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#if defined(__MIPSEB__)
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#define LIBELF_BYTEORDER ELFDATA2MSB
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#else
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#define LIBELF_BYTEORDER ELFDATA2LSB
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#endif
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#define LIBELF_CLASS ELFCLASS32
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#elif defined(__powerpc__)
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#define LIBELF_ARCH EM_PPC
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#define LIBELF_BYTEORDER ELFDATA2MSB
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#define LIBELF_CLASS ELFCLASS32
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#elif defined(__riscv) && (__riscv_xlen == 64)
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#define LIBELF_ARCH EM_RISCV
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#define LIBELF_BYTEORDER ELFDATA2LSB
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#define LIBELF_CLASS ELFCLASS64
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#elif defined(__sparc__)
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#define LIBELF_ARCH EM_SPARCV9
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#define LIBELF_BYTEORDER ELFDATA2MSB
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#define LIBELF_CLASS ELFCLASS64
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#else
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#error Unknown FreeBSD architecture.
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#endif
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#endif /* __FreeBSD__ */
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/*
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* Definitions for Minix3.
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*/
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#ifdef __minix
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#define LIBELF_ARCH EM_386
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#define LIBELF_BYTEORDER ELFDATA2LSB
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#define LIBELF_CLASS ELFCLASS32
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#endif /* __minix */
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#ifdef __NetBSD__
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#include <machine/elf_machdep.h>
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#if !defined(ARCH_ELFSIZE)
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#error ARCH_ELFSIZE is not defined.
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#endif
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#if ARCH_ELFSIZE == 32
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#define LIBELF_ARCH ELF32_MACHDEP_ID
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#define LIBELF_BYTEORDER ELF32_MACHDEP_ENDIANNESS
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#define LIBELF_CLASS ELFCLASS32
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#define Elf_Note Elf32_Nhdr
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#else
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#define LIBELF_ARCH ELF64_MACHDEP_ID
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#define LIBELF_BYTEORDER ELF64_MACHDEP_ENDIANNESS
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#define LIBELF_CLASS ELFCLASS64
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#define Elf_Note Elf64_Nhdr
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#endif
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#endif /* __NetBSD__ */
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#if defined(__OpenBSD__)
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#include <machine/exec.h>
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#define LIBELF_ARCH ELF_TARG_MACH
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#define LIBELF_BYTEORDER ELF_TARG_DATA
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#define LIBELF_CLASS ELF_TARG_CLASS
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#endif
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/*
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* GNU & Linux compatibility.
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*
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* `__linux__' is defined in an environment runs the Linux kernel and glibc.
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* `__GNU__' is defined in an environment runs a GNU kernel (Hurd) and glibc.
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* `__GLIBC__' is defined for an environment that runs glibc over a non-GNU
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* kernel such as GNU/kFreeBSD.
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*/
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#if defined(__linux__) || defined(__GNU__) || defined(__GLIBC__)
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#if defined(__linux__)
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#include "native-elf-format.h"
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#define LIBELF_CLASS ELFTC_CLASS
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#define LIBELF_ARCH ELFTC_ARCH
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#define LIBELF_BYTEORDER ELFTC_BYTEORDER
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#endif /* defined(__linux__) */
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#if LIBELF_CLASS == ELFCLASS32
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#define Elf_Note Elf32_Nhdr
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#elif LIBELF_CLASS == ELFCLASS64
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#define Elf_Note Elf64_Nhdr
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#else
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#error LIBELF_CLASS needs to be one of ELFCLASS32 or ELFCLASS64
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#endif
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#endif /* defined(__linux__) || defined(__GNU__) || defined(__GLIBC__) */
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