00001 /***************************************************************************************** 00002 Copyright (c) 2002-2004 The UbixOS Project 00003 All rights reserved. 00004 00005 Redistribution and use in source and binary forms, with or without modification, are 00006 permitted provided that the following conditions are met: 00007 00008 Redistributions of source code must retain the above copyright notice, this list of 00009 conditions, the following disclaimer and the list of authors. Redistributions in binary 00010 form must reproduce the above copyright notice, this list of conditions, the following 00011 disclaimer and the list of authors in the documentation and/or other materials provided 00012 with the distribution. Neither the name of the UbixOS Project nor the names of its 00013 contributors may be used to endorse or promote products derived from this software 00014 without specific prior written permission. 00015 00016 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY 00017 EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 00018 MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL 00019 THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 00020 SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT 00021 OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 00022 HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR 00023 TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 00024 SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 00025 00026 $Id: elf_8h-source.html 88 2016-01-12 00:11:29Z reddawg $ 00027 00028 *****************************************************************************************/ 00029 00030 #ifndef _ELF_H 00031 #define _ELF_H 00032 00033 #include <ubixos/types.h> 00034 #include <ubixos/sched.h> 00035 00036 #define elfExecutable 0x002 00037 #define elfLibrary 0x003 00038 00039 #define R_386_NONE 0 /* none none */ 00040 #define R_386_32 1 /* word32 S + A */ 00041 #define R_386_PC32 2 /* word32 S + A - P */ 00042 #define R_386_GOT32 3 /* word32 G + A - P */ 00043 #define R_386_PLT32 4 /* word32 L + A - P */ 00044 #define R_386_COPY 5 /* none none */ 00045 #define R_386_GLOB_DAT 6 /* word32 S */ 00046 #define R_386_JMP_SLOT 7 /* word32 S */ 00047 #define R_386_RELATIVE 8 /* word32 B + A */ 00048 #define R_386_GOTOFF 9 /* word32 S + A - GOT */ 00049 #define R_386_GOTPC 10 /* word32 GOT + A - P */ 00050 00051 00052 /* Elf Types */ 00053 #define ET_NONE 0 // No file type 00054 #define ET_REL 1 // Relocatable file 00055 #define ET_EXEC 2 // Executable file 00056 #define ET_DYN 3 // Shared object file 00057 #define ET_CORE 4 // Core file 00058 #define ET_LOPROC 0xff00 // Processor-specific 00059 #define ET_HIPROC 0xffff 00060 /* End Elf Types */ 00061 00062 /* Elf Machine Types */ 00063 #define EM_NONE 0 // No machine 00064 #define EM_M32 1 // AT&T WE 32100 00065 #define EM_SPARC 2 // SPARC 00066 #define EM_386 3 // Intel 80386 00067 #define EM_68K 4 // Motorola 68000 00068 #define EM_88K 5 // Motorola 88000 00069 #define EM_860 7 // Intel 80860 00070 #define EM_MIPS 8 // MIPS RS3000 00071 /* End Elf Machines Types */ 00072 00073 /* Elf Version */ 00074 #define EV_NONE 0 // Invalid version 00075 #define EV_CURRENT 1 // Current version 00076 /* End Elf Version */ 00077 00078 /* Elf Program Header Types */ 00079 #define PT_NULL 0 00080 #define PT_LOAD 1 00081 #define PT_DYNAMIC 2 00082 #define PT_INTERP 3 00083 #define PT_NOTE 4 00084 #define PT_SHLIB 5 00085 #define PT_PHDR 6 00086 #define PT_LOOS 0x60000000 00087 #define PT_HIOS 0x6fffffff 00088 #define PT_LOPROC 0x70000000 00089 #define PT_HIPROC 0x7fffffff 00090 #define PT_GNU_EH_FRAME 0x6474e550 00091 #define PT_GNU_STACK (PT_LOOS + 0x474e551) 00092 #define PT_GNU_RELRO (PT_LOOS + 0x474e552) 00093 #define PT_PAX_FLAGS (PT_LOOS + 0x5041580) 00094 00095 /* End Elf Program Header Types */ 00096 00097 typedef struct { 00098 uInt8 eIdent[16]; /* File identification. */ 00099 uInt16 eType; /* File type. */ 00100 uInt16 eMachine; /* Machine architecture. */ 00101 uInt32 eVersion; /* ELF format version. */ 00102 uInt32 eEntry; /* Entry point. */ 00103 uInt32 ePhoff; /* Program header file offset. */ 00104 uInt32 eShoff; /* Section header file offset. */ 00105 uInt32 eFlags; /* Architecture-specific flags. */ 00106 uInt16 eEhsize; /* Size of ELF header in bytes. */ 00107 uInt16 ePhentsize; /* Size of program header entry. */ 00108 uInt16 ePhnum; /* Number of program header entries. */ 00109 uInt16 eShentsize; /* Size of section header entry. */ 00110 uInt16 eShnum; /* Number of section header entries. */ 00111 uInt16 eShstrndx; /* Section name strings section. */ 00112 } elfHeader; 00113 00114 typedef struct { 00115 uInt32 phType; /* Entry type. */ 00116 uInt32 phOffset; /* File offset of contents. */ 00117 uInt32 phVaddr; /* Virtual address in memory image. */ 00118 uInt32 phPaddr; /* Physical address (not used). */ 00119 uInt32 phFilesz; /* Size of contents in file. */ 00120 uInt32 phMemsz; /* Size of contents in memory. */ 00121 uInt32 phFlags; /* Access permission flags. */ 00122 uInt32 phAlign; /* Alignment in memory and file. */ 00123 } elfProgramHeader; 00124 00125 typedef struct { 00126 uInt32 shName; /* Section name (index into the section header string table). */ 00127 uInt32 shType; /* Section type. */ 00128 uInt32 shFlags; /* Section flags. */ 00129 uInt32 shAddr; /* Address in memory image. */ 00130 uInt32 shOffset; /* Offset in file. */ 00131 uInt32 shSize; /* Size in bytes. */ 00132 uInt32 shLink; /* Index of a related section. */ 00133 uInt32 shInfo; /* Depends on section type. */ 00134 uInt32 shAddralign; /* Alignment in bytes. */ 00135 uInt32 shEntsize; /* Size of each entry in section. */ 00136 } elfSectionHeader; 00137 00138 typedef struct { 00139 uInt32 pltOffset; 00140 uInt32 pltInfo; 00141 } elfPltInfo; 00142 00143 typedef struct { 00144 uInt32 dynName; 00145 uInt32 dynValue; 00146 uInt32 dynSize; 00147 uInt32 dynInfo; 00148 } elfDynSym; 00149 00150 typedef struct { 00151 uInt32 dynVal; 00152 uInt32 dynPtr; 00153 } elfDynamic; 00154 00155 typedef struct { 00156 int32_t execfd; 00157 uint32_t phdr; 00158 uint32_t phent; 00159 uint32_t phnum; 00160 uint32_t pagesz; 00161 uint32_t base; 00162 uint32_t flags; 00163 uint32_t entry; 00164 uint32_t trace; 00165 } Elf_Auxargs; 00166 00167 char *elfGetShType(int); 00168 char *elfGetPhType(int); 00169 char *elfGetRelType(int); 00170 int elf_loadfile(kTask_t *p,const char *file,uint32_t *addr,uint32_t *entry); 00171 00172 #define ELF32_R_SYM(i) ((i)>>8) 00173 #define ELF32_R_TYPE(i) ((unsigned char)(i)) 00174 #define ELF32_R_INFO(s, t) ((s)<<8+(unsigned char)(t)) 00175 00176 #endif 00177 00178 /*** 00179 $Log: elf_8h-source.html,v $ 00179 Revision 1.7 2006/12/15 17:47:05 reddawg 00179 Updates 00179 00180 Revision 1.2 2006/12/15 15:43:46 reddawg 00181 Changes 00182 00183 Revision 1.1.1.1 2006/06/01 12:46:13 reddawg 00184 ubix2 00185 00186 Revision 1.2 2005/10/12 00:13:37 reddawg 00187 Removed 00188 00189 Revision 1.1.1.1 2005/09/26 17:23:54 reddawg 00190 no message 00191 00192 Revision 1.7 2004/09/11 01:20:08 apwillia 00193 Clean up 'Unhandled Header' printfs when compiled in linux 00194 00195 Revision 1.6 2004/06/16 14:04:51 reddawg 00196 Renamed a typedef 00197 00198 Revision 1.5 2004/06/14 12:20:54 reddawg 00199 notes: many bugs repaired and ld works 100% now. 00200 00201 Revision 1.4 2004/06/12 01:27:26 reddawg 00202 shared objects: yes we almost fully support shared objects 00203 00204 Revision 1.3 2004/05/21 15:20:00 reddawg 00205 Cleaned up 00206 00207 00208 END 00209 ***/
1.4.7