ELFHeader.h

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/*
 * Copyright (C) 2009 Niek Linnenbank
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
 
#ifndef __LIBEXEC_ELFHEADER_H
#define __LIBEXEC_ELFHEADER_H
 
#include <Types.h>
 
#define ELF_INDEX_MAGIC0        0
 
#define ELF_INDEX_MAGIC1        1
 
#define ELF_INDEX_MAGIC2        2
 
#define ELF_INDEX_MAGIC3        3
 
#define ELF_INDEX_CLASS         4
 
#define ELF_INDEX_DATA          5
 
#define ELF_INDEX_VERSION       6
 
#define ELF_INDEX_PAD           7
 
#define ELF_INDEX_NIDENT        16
 
#define ELF_MAGIC0      0x7f
 
#define ELF_MAGIC1      'E'
 
#define ELF_MAGIC2      'L'
 
#define ELF_MAGIC3      'F'
 
#define ELF_CLASS_NONE  0
 
#define ELF_CLASS_32    1
 
#define ELF_CLASS_64    2
 
#define ELF_DATA_NONE   0
 
#define ELF_DATA_2LSB   1
 
#define ELF_DATA_2MSB   2
 
#define ELF_TYPE_NONE   0
 
#define ELF_TYPE_REL    1
 
#define ELF_TYPE_EXEC   2
 
#define ELF_TYPE_DYN    3
 
#define ELF_TYPE_CORE   4
 
#define ELF_TYPE_NUM    5
 
#define ELF_TYPE_LOPROC 0xff00
 
#define ELF_TYPE_HIPROC 0xffff
 
#define ELF_MACHINE_NONE        0
 
#define ELF_MACHINE_M32         1
 
#define ELF_MACHINE_SPARC       2
 
#define ELF_MACHINE_386         3
 
#define ELF_MACHINE_68K         4
 
#define ELF_MACHINE_88K         5
 
#define ELF_MACHINE_860         7
 
#define ELF_MACHINE_MIPS_RS3    8
 
#define ELF_MACHINE_MIPS_RS4    10
 
#define ELF_VERSION_NONE        0
 
#define ELF_VERSION_CURRENT     1
 
typedef struct ELFHeader
{
    u8  ident[ELF_INDEX_NIDENT];
 
    u16 type;
 
    u16 machine;
 
    u32 version;
 
    u32 entry;
 
    u32 programHeaderOffset;
 
    /* Section header table file offset */
    u32 sectionHeaderOffset;
 
    /* Processor-specific flags. */
    u32 flags;
 
    u16 headerSize;
 
    u16 programHeaderEntrySize;
 
    u16 programHeaderEntryCount;
 
    u16 sectionHeaderEntrySize;
 
    u16 sectionHeaderEntryCount;
 
    u16 sectionHeaderStringsIndex;
}
ELFHeader;
 
#define ELF_SEGMENT_NULL        0
 
#define ELF_SEGMENT_LOAD        1
 
#define ELF_SEGMENT_DYNAMIC     2
 
#define ELF_SEGMENT_INTERP      3
 
#define ELF_SEGMENT_NOTE        4
 
#define ELF_SEGMENT_SHLIB       5
 
#define ELF_SEGMENT_SELF        6
 
#define ELF_SEGMENT_LOPROC      0x70000000
 
#define ELF_SEGMENT_HIPROC      0x7fffffff
 
typedef struct ELFSegment
{
    u32 type;
 
    u32 offset;
 
    u32 virtualAddress;
 
    u32 physicalAddress;
 
    u32 fileSize;
 
    u32 memorySize;
 
    u32 flags;
 
    u32 alignment;
}
ELFSegment;
 
#endif /* __LIBEXEC_ELFHEADER_H */