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/*
* elf_defns.h: ELF file type definitions
*
* Copyright (c) 2006-2007, Intel Corporation
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following
* disclaimer in the documentation and/or other materials provided
* with the distribution.
* * Neither the name of the Intel Corporation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
* OF THE POSSIBILITY OF SUCH DAMAGE.
*
*/
#ifndef __ELF_DEFNS_H__
#define __ELF_DEFNS_H__
/* Elf header */
typedef struct {
unsigned char e_ident[16];
uint16_t e_type;
uint16_t e_machine;
uint32_t e_version;
uint32_t e_entry;
uint32_t e_phoff;
uint32_t e_shoff;
uint32_t e_flags;
uint16_t e_ehsz;
uint16_t e_phentsize;
uint16_t e_phnum;
uint16_t e_shentsize;
uint16_t e_shnum;
uint16_t e_shstrndx;
} elf_header_t;
/* elf64_header_t */
typedef struct {
unsigned char e_ident[16]; /* ELF identification */
uint16_t e_type; /* Object file type */
uint16_t e_machine; /* Machine type */
uint32_t e_version; /* Object file version */
uint64_t e_entry; /* Entry point address */
uint64_t e_phoff; /* Program header offset */
uint64_t e_shoff; /* Section header offset */
uint32_t e_flags; /* Processor-specific flags */
uint16_t e_ehsize; /* ELF header size */
uint16_t e_phentsize; /* Size of program header entry */
uint16_t e_phnum; /* Number of program header entries */
uint16_t e_shentsize; /* Size of section header entry */
uint16_t e_shnum; /* Number of section header entries */
uint16_t e_shstrndx; /* Section name string table index */
} elf64_header_t;
/* e_ident[] Identification Indexes */
#define EI_MAG0 0 /* File identification */
#define EI_MAG1 1 /* File identification */
#define EI_MAG2 2 /* File identification */
#define EI_MAG3 3 /* File identification */
#define EI_CLASS 4 /* File class */
#define EI_DATA 5 /* Data encoding */
#define EI_VERSION 6 /* File version */
#define EI_PAD 7 /* Start of padding bytes */
#define EI_NIDENT 8 /* Size of e_ident[] */
/* Magic number */
#define ELFMAG0 0x7f /* e_ident[EI_MAG0] */
#define ELFMAG1 'E' /* e_ident[EI_MAG1] */
#define ELFMAG2 'L' /* e_ident[EI_MAG2] */
#define ELFMAG3 'F' /* e_ident[EI_MAG3] */
/* e_ident[EI_CLASS] */
#define ELFCLASSNONE 0 /* Invalid class */
#define ELFCLASS32 1 /* 32-bit objects */
#define ELFCLASS64 2 /* 64-bit objects */
/* e_ident[EI_DATA] */
#define ELFDATANONE 0 /* Invalid data encoding */
#define ELFDATA2LSB 1 /* Least significant byte */
#define ELFDATA2MSB 2 /* Most significant byte */
/* e_type */
#define ET_NONE 0 /* No file type */
#define ET_REL 1 /* Relocatable file */
#define ET_EXEC 2 /* Executable file */
#define ET_DYN 3 /* Shared object file */
#define ET_CORE 4 /* Core file */
#define ET_LOPROC 0xff00 /* Processor-specific */
#define ET_HIPROC 0xffff /* Processor-specific */
/* e_machine */
#define ET_NONE 0 /* No machine */
#define EM_M32 1 /* At&t We 32100 */
#define EM_SPARC 2 /* SPARC */
#define EM_386 3 /* Intel architecture */
#define EM_68K 4 /* Motorola 68000 */
#define EM_88K 5 /* Motorola 88000 */
#define EM_860 7 /* Intel 80860 */
#define EM_MIPS 8 /* MIPS RS3000 Big-Endian */
#define EM_MIPS_RS4_BE 10 /* MIPS RS4000 Big-Endian */
#define EM_AMD64 62 /* AMDs x86-64 architecture */
/* e_version */
#define EV_NONE 0 /* Invalid version */
#define EV_CURRENT 1 /* Current version */
/* Program header */
typedef struct {
uint32_t p_type;
uint32_t p_offset;
uint32_t p_vaddr;
uint32_t p_paddr;
uint32_t p_filesz;
uint32_t p_memsz;
uint32_t p_flags;
uint32_t p_align;
} elf_program_header_t;
typedef struct{
uint32_t p_type; /* Type of segment */
uint32_t p_flags; /* Segment attributes */
uint64_t p_offset; /* Offset in file */
uint64_t p_vaddr; /* Virtual address in memory */
uint64_t p_paddr; /* Reserved */
uint64_t p_filesz; /* Size of segment in file */
uint64_t p_memsz; /* Size of segment in memory */
uint64_t p_align; /* Alignment of segment */
} elf64_program_header_t;
/* p_type */
#define PT_NULL 0
#define PT_LOAD 1
#define PT_DYNAMIC 2
#define PT_INTERP 3
#define PT_NOTE 4
#define PT_SHLIB 5
#define PT_PHDR 6
#define PT_LOPROC 0x70000000
#define PT_HIPROC 0x7fffffff
/* multiboot magic */
#define MB_MAGIC 0x2badb002
#endif /* __ELF_DEFNS_H__ */
/*
* Local variables:
* mode: C
* c-set-style: "BSD"
* c-basic-offset: 4
* tab-width: 4
* indent-tabs-mode: nil
* End:
*/
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