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FreeBSD/Linux Kernel Cross Reference
sys/sys/elf_generic.h

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    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 1.6.14.1 2005/12/30 22:13:58 marcel Exp $
   27  */
   28 
   29 #ifndef _SYS_ELF_GENERIC_H_
   30 #define _SYS_ELF_GENERIC_H_ 1
   31 
   32 #include <sys/cdefs.h>
   33 
   34 /*
   35  * Definitions of generic ELF names which relieve applications from
   36  * needing to know the word size.
   37  */
   38 
   39 #if __ELF_WORD_SIZE != 32 && __ELF_WORD_SIZE != 64
   40 #error "__ELF_WORD_SIZE must be defined as 32 or 64"
   41 #endif
   42 
   43 #define ELF_CLASS       __CONCAT(ELFCLASS,__ELF_WORD_SIZE)
   44 
   45 #if BYTE_ORDER == LITTLE_ENDIAN
   46 #define ELF_DATA        ELFDATA2LSB
   47 #elif BYTE_ORDER == BIG_ENDIAN
   48 #define ELF_DATA        ELFDATA2MSB
   49 #else
   50 #error "Unknown byte order"
   51 #endif
   52 
   53 #define __elfN(x)       __CONCAT(__CONCAT(__CONCAT(elf,__ELF_WORD_SIZE),_),x)
   54 #define __ElfN(x)       __CONCAT(__CONCAT(__CONCAT(Elf,__ELF_WORD_SIZE),_),x)
   55 #define __ELFN(x)       __CONCAT(__CONCAT(__CONCAT(ELF,__ELF_WORD_SIZE),_),x)
   56 #define __ElfType(x)    typedef __ElfN(x) __CONCAT(Elf_,x)
   57 
   58 __ElfType(Addr);
   59 __ElfType(Half);
   60 __ElfType(Off);
   61 __ElfType(Sword);
   62 __ElfType(Word);
   63 __ElfType(Ehdr);
   64 __ElfType(Shdr);
   65 __ElfType(Phdr);
   66 __ElfType(Dyn);
   67 __ElfType(Rel);
   68 __ElfType(Rela);
   69 __ElfType(Sym);
   70 
   71 /* Non-standard ELF types. */
   72 __ElfType(Hashelt);
   73 __ElfType(Size);
   74 __ElfType(Ssize);
   75 
   76 #define ELF_R_SYM       __ELFN(R_SYM)
   77 #define ELF_R_TYPE      __ELFN(R_TYPE)
   78 #define ELF_R_INFO      __ELFN(R_INFO)
   79 #define ELF_ST_BIND     __ELFN(ST_BIND)
   80 #define ELF_ST_TYPE     __ELFN(ST_TYPE)
   81 #define ELF_ST_INFO     __ELFN(ST_INFO)
   82 
   83 #endif /* !_SYS_ELF_GENERIC_H_ */

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