sys/sys/elf_generic.h

   1 /*-
   2  * Copyright (c) 1998 John D. Polstra.
   3  * All rights reserved.
   4  *
   5  * Redistribution and use in source and binary forms, with or without
   6  * modification, are permitted provided that the following conditions
   7  * are met:
   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.
  13  *
  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
  24  * SUCH DAMAGE.
  25  *
  26  * $FreeBSD: src/sys/sys/elf_generic.h,v 1.4 1999/08/28 00:51:42 peter Exp $
  27  * $DragonFly: src/sys/sys/elf_generic.h,v 1.6 2006/10/23 21:50:33 dillon Exp $
  28  */
  29
  30 #ifndef _SYS_ELF_GENERIC_H_
  31 #define _SYS_ELF_GENERIC_H_
  32
  33 #ifndef _SYS_CDEFS_H_
  34 #include <sys/cdefs.h>
  35 #endif
  36 #ifndef _MACHINE_ENDIAN_H_
  37 #include <machine/endian.h>
  38 #endif
  39
  40 /*
  41  * Definitions of generic ELF names which relieve applications from
  42  * needing to know the word size.
  43  */
  44 #ifdef __ELF_WORD_SIZE
  45
  46 #if __ELF_WORD_SIZE != 32 && __ELF_WORD_SIZE != 64
  47 #error "__ELF_WORD_SIZE must be defined as 32 or 64"
  48 #endif
  49
  50 #define ELF_CLASS       __CONCAT(ELFCLASS,__ELF_WORD_SIZE)
  51
  52 #if _BYTE_ORDER == _LITTLE_ENDIAN
  53 #define ELF_DATA        ELFDATA2LSB
  54 #elif _BYTE_ORDER == _BIG_ENDIAN
  55 #define ELF_DATA        ELFDATA2MSB
  56 #else
  57 #error "Unknown byte order"
  58 #endif
  59
  60 #define __elfN(x)       __CONCAT(__CONCAT(__CONCAT(elf,__ELF_WORD_SIZE),_),x)
  61 #define __ElfN(x)       __CONCAT(__CONCAT(__CONCAT(Elf,__ELF_WORD_SIZE),_),x)
  62 #define __ELFN(x)       __CONCAT(__CONCAT(__CONCAT(ELF,__ELF_WORD_SIZE),_),x)
  63 #define __ElfType(x)    typedef __ElfN(x) __CONCAT(Elf_,x)
  64
  65 __ElfType(Addr);
  66 __ElfType(Half);
  67 __ElfType(Off);
  68 __ElfType(Sword);
  69 __ElfType(Word);
  70 __ElfType(Size);
  71 __ElfType(Hashelt);
  72 __ElfType(Ehdr);
  73 __ElfType(Shdr);
  74 __ElfType(Phdr);
  75 __ElfType(Dyn);
  76 __ElfType(Rel);
  77 __ElfType(Rela);
  78 __ElfType(Sym);
  79
  80 #define ELF_R_SYM       __ELFN(R_SYM)
  81 #define ELF_R_TYPE      __ELFN(R_TYPE)
  82 #define ELF_R_INFO      __ELFN(R_INFO)
  83 #define ELF_ST_BIND     __ELFN(ST_BIND)
  84 #define ELF_ST_TYPE     __ELFN(ST_TYPE)
  85 #define ELF_ST_INFO     __ELFN(ST_INFO)
  86
  87 #else
  88
  89 #warning "must include sys/elf32.h or sy/elf64.h before sys/elf_generic.h"
  90
  91 #endif /* __ELF_WORD_SIZE */
  92
  93 #endif /* !_SYS_ELF_GENERIC_H_ */