elf_generic.h

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/*-
 * Copyright (c) 2002-2018 The UbixOS Project.
 * All rights reserved.
 *
 * This was developed by Christopher W. Olsen for the UbixOS Project.
 *
 * Redistribution and use in source and binary forms, with or without modification, are permitted
 * provided that the following conditions are met:
 *
 * 1) Redistributions of source code must retain the above copyright notice, this list of
 *    conditions, the following disclaimer and the list of authors.
 * 2) Redistributions in binary form must reproduce the above copyright notice, this list of
 *    conditions, the following disclaimer and the list of authors in the documentation and/or
 *    other materials provided with the distribution.
 * 3) Neither the name of the UbixOS Project nor the names of its contributors may be used to
 *    endorse or promote products derived from this software without specific prior written
 *    permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED
 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
 * OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */
 
#ifndef _SYS_ELF_GENERIC_H_
#define _SYS_ELF_GENERIC_H_ 1
 
#include <sys/cdefs.h>
 
/*
 * Definitions of generic ELF names which relieve applications from
 * needing to know the word size.
 */
 
#if __ELF_WORD_SIZE != 32 && __ELF_WORD_SIZE != 64
#error "__ELF_WORD_SIZE must be defined as 32 or 64"
#endif
 
#define ELF_CLASS       __CONCAT(ELFCLASS,__ELF_WORD_SIZE)
 
#if BYTE_ORDER == LITTLE_ENDIAN
#define ELF_DATA        ELFDATA2LSB
#elif BYTE_ORDER == BIG_ENDIAN
#define ELF_DATA        ELFDATA2MSB
#else
#error "Unknown byte order"
#endif
 
#define __elfN(x)       __CONCAT(__CONCAT(__CONCAT(elf,__ELF_WORD_SIZE),_),x)
#define __ElfN(x)       __CONCAT(__CONCAT(__CONCAT(Elf,__ELF_WORD_SIZE),_),x)
#define __ELFN(x)       __CONCAT(__CONCAT(__CONCAT(ELF,__ELF_WORD_SIZE),_),x)
#define __ElfType(x)    typedef __ElfN(x) __CONCAT(Elf_,x)
 
__ElfType(Addr);
__ElfType(Half);
__ElfType(Off);
__ElfType(Sword);
__ElfType(Word);
__ElfType(Ehdr);
__ElfType(Shdr);
__ElfType(Phdr);
__ElfType(Dyn);
__ElfType(Rel);
__ElfType(Rela);
__ElfType(Sym);
__ElfType(Verdef);
__ElfType(Verdaux);
__ElfType(Verneed);
__ElfType(Vernaux);
__ElfType(Versym);
 
/* Non-standard ELF types. */
__ElfType(Hashelt);
__ElfType(Size);
__ElfType(Ssize);
 
#define ELF_R_SYM       __ELFN(R_SYM)
#define ELF_R_TYPE      __ELFN(R_TYPE)
#define ELF_R_INFO      __ELFN(R_INFO)
#define ELF_ST_BIND     __ELFN(ST_BIND)
#define ELF_ST_TYPE     __ELFN(ST_TYPE)
#define ELF_ST_INFO     __ELFN(ST_INFO)
#define ELF_ST_VISIBILITY       __ELFN(ST_VISIBILITY)
 
#endif /* !_SYS_ELF_GENERIC_H_ */