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<h1>elf.h</h1><div class="fragment"><pre>00001 <span class="comment">/**************************************************************************************</span>
00002 <span class="comment"> Copyright (c) 2002 The UbixOS Project</span>
00003 <span class="comment"> All rights reserved.</span>
00004 <span class="comment"></span>
00005 <span class="comment">Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:</span>
00006 <span class="comment"></span>
00007 <span class="comment">Redistributions of source code must retain the above copyright notice, this list of conditions, the following disclaimer and the list of authors.</span>
00008 <span class="comment">Redistributions in binary form must reproduce the above copyright notice, this list of conditions, the following disclaimer and the list of authors</span>
00009 <span class="comment">in the documentation and/or other materials provided with the distribution. Neither the name of the UbixOS Project nor the names of its</span>
00010 <span class="comment">contributors may be used to endorse or promote products derived from this software without specific prior written permission.</span>
00011 <span class="comment"></span>
00012 <span class="comment">THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED</span>
00013 <span class="comment">WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR</span>
00014 <span class="comment">PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,</span>
00015 <span class="comment">INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE</span>
00016 <span class="comment">GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY</span>
00017 <span class="comment">OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY</span>
00018 <span class="comment">OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.</span>
00019 <span class="comment"></span>
00020 <span class="comment"> $Id$</span>
00021 <span class="comment"></span>
00022 <span class="comment">**************************************************************************************/</span>
00023
00024 <span class="preprocessor">#ifndef _ELF_H</span>
00025 <span class="preprocessor"></span><span class="preprocessor">#define _ELF_H</span>
00026 <span class="preprocessor"></span>
00027 <span class="preprocessor">#include <ubixos/types.h></span>
00028
00029 <span class="preprocessor">#define elfExecutable 0x002</span>
00030 <span class="preprocessor"></span><span class="preprocessor">#define elfLibrary 0x003</span>
00031 <span class="preprocessor"></span>
00032
00033 <span class="comment">/* Elf Types */</span>
00034 <span class="preprocessor">#define ET_NONE 0 // No file type</span>
00035 <span class="preprocessor"></span><span class="preprocessor">#define ET_REL 1 // Relocatable file</span>
00036 <span class="preprocessor"></span><span class="preprocessor">#define ET_EXEC 2 // Executable file</span>
00037 <span class="preprocessor"></span><span class="preprocessor">#define ET_DYN 3 // Shared object file</span>
00038 <span class="preprocessor"></span><span class="preprocessor">#define ET_CORE 4 // Core file</span>
00039 <span class="preprocessor"></span><span class="preprocessor">#define ET_LOPROC 0xff00 // Processor-specific</span>
00040 <span class="preprocessor"></span><span class="preprocessor">#define ET_HIPROC 0xffff</span>
00041 <span class="preprocessor"></span><span class="comment">/* End Elf Types */</span>
00042
00043 <span class="comment">/* Elf Machine Types */</span>
00044 <span class="preprocessor">#define EM_NONE 0 // No machine</span>
00045 <span class="preprocessor"></span><span class="preprocessor">#define EM_M32 1 // AT&T WE 32100</span>
00046 <span class="preprocessor"></span><span class="preprocessor">#define EM_SPARC 2 // SPARC</span>
00047 <span class="preprocessor"></span><span class="preprocessor">#define EM_386 3 // Intel 80386</span>
00048 <span class="preprocessor"></span><span class="preprocessor">#define EM_68K 4 // Motorola 68000</span>
00049 <span class="preprocessor"></span><span class="preprocessor">#define EM_88K 5 // Motorola 88000</span>
00050 <span class="preprocessor"></span><span class="preprocessor">#define EM_860 7 // Intel 80860</span>
00051 <span class="preprocessor"></span><span class="preprocessor">#define EM_MIPS 8 // MIPS RS3000</span>
00052 <span class="preprocessor"></span><span class="comment">/* End Elf Machines Types */</span>
00053
00054 <span class="comment">/* Elf Version */</span>
00055 <span class="preprocessor">#define EV_NONE 0 // Invalid version</span>
00056 <span class="preprocessor"></span><span class="preprocessor">#define EV_CURRENT 1 // Current version</span>
00057 <span class="preprocessor"></span><span class="comment">/* End Elf Version */</span>
00058
00059 <span class="comment">/* Elf Program Header Types */</span>
00060 <span class="preprocessor">#define PT_NULL 0</span>
00061 <span class="preprocessor"></span><span class="preprocessor">#define PT_LOAD 1</span>
00062 <span class="preprocessor"></span><span class="preprocessor">#define PT_DYNAMIC 2</span>
00063 <span class="preprocessor"></span><span class="comment">/* End Elf Program Header Types */</span>
00064
00065 <span class="keyword">typedef</span> <span class="keyword">struct </span>{
00066 uChar eIdent[16]; <span class="comment">/* File identification. */</span>
00067 uShort eType; <span class="comment">/* File type. */</span>
00068 uShort eMachine; <span class="comment">/* Machine architecture. */</span>
00069 uLong eVersion; <span class="comment">/* ELF format version. */</span>
00070 uLong eEntry; <span class="comment">/* Entry point. */</span>
00071 uLong ePhoff; <span class="comment">/* Program header file offset. */</span>
00072 uLong eShoff; <span class="comment">/* Section header file offset. */</span>
00073 uLong eFlags; <span class="comment">/* Architecture-specific flags. */</span>
00074 uShort eEhsize; <span class="comment">/* Size of ELF header in bytes. */</span>
00075 uShort ePhentsize; <span class="comment">/* Size of program header entry. */</span>
00076 uShort ePhnum; <span class="comment">/* Number of program header entries. */</span>
00077 uShort eShentsize; <span class="comment">/* Size of section header entry. */</span>
00078 uShort eShnum; <span class="comment">/* Number of section header entries. */</span>
00079 uShort eShstrndx; <span class="comment">/* Section name strings section. */</span>
00080 } elfHeader;
00081
00082 <span class="keyword">typedef</span> <span class="keyword">struct </span>{
00083 uLong phType; <span class="comment">/* Entry type. */</span>
00084 uLong phOffset; <span class="comment">/* File offset of contents. */</span>
00085 uLong phVaddr; <span class="comment">/* Virtual address in memory image. */</span>
00086 uLong phPaddr; <span class="comment">/* Physical address (not used). */</span>
00087 uLong phFilesz; <span class="comment">/* Size of contents in file. */</span>
00088 uLong phMemsz; <span class="comment">/* Size of contents in memory. */</span>
00089 uLong phFlags; <span class="comment">/* Access permission flags. */</span>
00090 uLong phAlign; <span class="comment">/* Alignment in memory and file. */</span>
00091 } elfProgramheader;
00092
00093 <span class="keyword">typedef</span> <span class="keyword">struct </span>{
00094 uLong shName; <span class="comment">/* Section name (index into the section header string table). */</span>
00095 uLong shType; <span class="comment">/* Section type. */</span>
00096 uLong shFlags; <span class="comment">/* Section flags. */</span>
00097 uLong shAddr; <span class="comment">/* Address in memory image. */</span>
00098 uLong shOffset; <span class="comment">/* Offset in file. */</span>
00099 uLong shSize; <span class="comment">/* Size in bytes. */</span>
00100 uLong shLink; <span class="comment">/* Index of a related section. */</span>
00101 uLong shInfo; <span class="comment">/* Depends on section type. */</span>
00102 uLong shAddralign; <span class="comment">/* Alignment in bytes. */</span>
00103 uLong shEntsize; <span class="comment">/* Size of each entry in section. */</span>
00104 } elfSectionheader;
00105
00106 <span class="keyword">typedef</span> <span class="keyword">struct </span>{
00107 uLong pltOffset;
00108 uLong pltInfo;
00109 } elfPltInfo;
00110
00111 <span class="keyword">typedef</span> <span class="keyword">struct </span>{
00112 uLong dynName;
00113 uLong dynValue;
00114 uLong dynSize;
00115 uLong dynInfo;
00116 } elfDynsym;
00117
00118 <span class="keyword">typedef</span> <span class="keyword">struct </span>{
00119 uInt32 dynVal;
00120 uInt32 dynPtr;
00121 } elfDynamic;
00122
00123 <span class="keywordtype">char</span> *elfGetShType(<span class="keywordtype">int</span>);
00124 <span class="keywordtype">char</span> *elfGetPhType(<span class="keywordtype">int</span>);
00125
00126 <span class="preprocessor">#endif</span>
00127 <span class="preprocessor"></span>
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