bootx.tproj/sl.subproj/elf.h

   1 /*
   2  * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
   3  *
   4  * @APPLE_LICENSE_HEADER_START@
   5  *
   6  * The contents of this file constitute Original Code as defined in and
   7  * are subject to the Apple Public Source License Version 1.1 (the
   8  * "License").  You may not use this file except in compliance with the
   9  * License.  Please obtain a copy of the License at
  10  * http://www.apple.com/publicsource and read it before using this file.
  11  *
  12  * This Original Code and all software distributed under the License are
  13  * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  14  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  15  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  16  * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
  17  * License for the specific language governing rights and limitations
  18  * under the License.
  19  *
  20  * @APPLE_LICENSE_HEADER_END@
  21  */
  22 /*
  23  *  elf.h - Header for Elf stuctures.
  24  *
  25  *  Copyright (c) 2000 Apple Computer, Inc.
  26  *
  27  *  DRI: Josh de Cesare
  28  */
  29
  30 // Elf Signature is a 0x7f + ELF
  31 #define kElfSignature (0x7f454C46)
  32
  33 #define kElfProgramTypeLoad (1)
  34
  35 #define kElfAddressMask (0x0FFFFFFF)
  36
  37 struct ElfHeader {
  38   long  signature;
  39   char  class;
  40   char  ei_data;
  41   char  ei_version;
  42   char  pad1;
  43   long  pad2;
  44   long  pad3;
  45   short type;
  46   short machine;
  47   long  version;
  48   long  entry;
  49   long  phoff;
  50   long  shoff;
  51   long  flags;
  52   short ehsize;
  53   short phentsize;
  54   short phnum;
  55   short shentsize;
  56   short shnum;
  57   short shstrndx;
  58 };
  59 typedef struct ElfHeader ElfHeader, *ElfHeaderPtr;
  60
  61 struct ProgramHeader {
  62   long  type;
  63   long  offset;
  64   long  vaddr;
  65   long  paddr;
  66   long  filesz;
  67   long  memsz;
  68   long  flags;
  69   long  align;
  70 };
  71 typedef struct ProgramHeader ProgramHeader, *ProgramHeaderPtr;
  72
  73 struct SectionHeader {
  74   long  name;
  75   long  type;
  76   long  flags;
  77   long  addr;
  78   long  offset;
  79   long  size;
  80   long  link;
  81   long  info;
  82   long  align;
  83   long  entsize;
  84 };
  85 typedef struct SectionHeader SectionHeader, *SectionHeaderPtr;