Laurent Morichetti
290 lines
7.0 KiB
C
290 lines
7.0 KiB
C
/*-
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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 2032 2011-10-23 09:07:00Z jkoshy $
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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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/*
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* Common configuration for the GNU environment.
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*/
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#define LIBELF_CONFIG_ADDR 1
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#define LIBELF_CONFIG_BYTE 1
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#define LIBELF_CONFIG_DYN 1
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#define LIBELF_CONFIG_EHDR 1
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#define LIBELF_CONFIG_HALF 1
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#define LIBELF_CONFIG_MOVEP 1
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#define LIBELF_CONFIG_NOTE 1
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#define LIBELF_CONFIG_OFF 1
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#define LIBELF_CONFIG_PHDR 1
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#define LIBELF_CONFIG_REL 1
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#define LIBELF_CONFIG_RELA 1
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#define LIBELF_CONFIG_SHDR 1
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#define LIBELF_CONFIG_SWORD 1
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#define LIBELF_CONFIG_SXWORD 1
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#define LIBELF_CONFIG_SYM 1
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#define LIBELF_CONFIG_VDEF 1
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#define LIBELF_CONFIG_VNEED 1
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#define LIBELF_CONFIG_WORD 1
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#define LIBELF_CONFIG_XWORD 1
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#if defined(WIN32)
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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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#define LIBELF_CONFIG_ADDR 1
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#define LIBELF_CONFIG_BYTE 1
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#define LIBELF_CONFIG_DYN 1
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#define LIBELF_CONFIG_EHDR 1
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#define LIBELF_CONFIG_HALF 1
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#define LIBELF_CONFIG_MOVEP 1
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#define LIBELF_CONFIG_OFF 1
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#define LIBELF_CONFIG_PHDR 1
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#define LIBELF_CONFIG_REL 1
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#define LIBELF_CONFIG_RELA 1
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#define LIBELF_CONFIG_SHDR 1
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#define LIBELF_CONFIG_SWORD 1
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#define LIBELF_CONFIG_SXWORD 1
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#define LIBELF_CONFIG_SYM 1
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#define LIBELF_CONFIG_WORD 1
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#define LIBELF_CONFIG_XWORD 1
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#define LIBELF_VCSID(ID)
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#define roundup2 roundup
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#endif // defined(WIN32)
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#ifndef LIBELF_CONFIG_GNUHASH
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#define LIBELF_CONFIG_GNUHASH 1
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/*
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* The header for GNU-style hash sections.
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*/
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typedef struct {
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u_int32_t gh_nbuckets; /* Number of hash buckets. */
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u_int32_t gh_symndx; /* First visible symbol in .dynsym. */
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u_int32_t gh_maskwords; /* #maskwords used in bloom filter. */
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u_int32_t gh_shift2; /* Bloom filter shift count. */
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} Elf_GNU_Hash_Header;
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#endif
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#if defined(USE_MEMFILE)
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#include "memfile.h"
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#if !defined(read)
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#define read(f, b, l) mem_read((f), (b), (l))
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#endif
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#if !defined(write)
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#define write(f, b, l) mem_write((f), (b), (l))
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#endif
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#if !defined(lseek)
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#define lseek(f, l, w) mem_lseek((f), (l), (w))
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#endif
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#if !defined(fstat)
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#define fstat(f, b) mem_fstat((f), (struct stat*)(b))
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#endif
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#if !defined(_fstat64i32)
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#define _fstat64i32(f, b) mem_fstat((f), (struct stat*)(b))
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#endif
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#if !defined(_fstat32i64)
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#define _fstat32i64(f, b) mem_fstat((f), (struct stat*)(b))
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#endif
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#if !defined(_fstat32)
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#define _fstat32(f, b) mem_fstat((f), (struct stat*)(b))
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#endif
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#if !defined(_fstat64)
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#define _fstat64(f, b) mem_fstat((f), (struct stat*)(b))
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#endif
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#if !defined(ftruncate)
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#define ftruncate(f, l) mem_ftruncate((f), (size_t)(l))
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#endif
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#if !defined(_chsize)
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#define _chsize(f, l) mem_ftruncate((f), (size_t)(l))
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#endif
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#if !defined(mmap)
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#define mmap mem_mmap
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#endif
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#if !defined(mem_munmap)
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#define munmap mem_munmap
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#endif
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#else // !USE_MEMFILE
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#if !defined(mmap)
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#if defined(WIN32)
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#define mmap w32_mmap
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#else
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#define mmap mmap
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#endif
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#endif
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#if !defined(mem_munmap)
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#if defined(WIN32)
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#define munmap w32_munmap
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#else
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#define munmap munmap
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#endif
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#endif
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#endif //USE_MEMFILE
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