214 lines
		
	
	
		
			5.2 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			214 lines
		
	
	
		
			5.2 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
/*-
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 * Copyright (c) 2008 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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#ifdef __FreeBSD__
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#define	LIBELF_VCSID(ID)	__FBSDID(ID)
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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(__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(__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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#ifdef __NetBSD__
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#include <machine/elf_machdep.h>
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#define	LIBELF_VCSID(ID)	__RCSID(ID)
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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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/*
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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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#define	LIBELF_VCSID(ID)
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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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#define	roundup2	roundup
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#endif /* defined(__linux__) || defined(__GNU__) || defined(__GLIBC__) */
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#ifdef __minix
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#define	LIBELF_VCSID(ID)
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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(__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(__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 MINIX architecture.
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#endif
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#endif  /* __minix */
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