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elf.h
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elf.h
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/*
elf.h - various ELF informations collected from libelf
Copyright (C) 1995 - 1998 Michael Riepe
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
/* @(#) $Id$ */
/*
* ELF header
*/
#define EI_NIDENT 16
typedef struct {
unsigned char e_ident[EI_NIDENT];
unsigned short e_type;
unsigned short e_machine;
unsigned int e_version;
unsigned int e_entry;
unsigned int e_phoff;
unsigned int e_shoff;
unsigned int e_flags;
unsigned short e_ehsize;
unsigned short e_phentsize;
unsigned short e_phnum;
unsigned short e_shentsize;
unsigned short e_shnum;
unsigned short e_shstrndx;
} Elf32_Ehdr;
/*
* e_ident
*/
#define EI_MAG0 0
#define EI_MAG1 1
#define EI_MAG2 2
#define EI_MAG3 3
#define EI_CLASS 4
#define EI_DATA 5
#define EI_VERSION 6
#define EI_OSABI 7
#define EI_ABIVERSION 8
#define EI_PAD 9
#define ELFMAG0 0x7f
#define ELFMAG1 'E'
#define ELFMAG2 'L'
#define ELFMAG3 'F'
#define ELFMAG "\177ELF"
#define SELFMAG 4
/*
* e_ident[EI_CLASS]
*/
#define ELFCLASSNONE 0
#define ELFCLASS32 1
#define ELFCLASS64 2
#define ELFCLASSNUM 3
/*
* e_ident[EI_DATA]
*/
#define ELFDATANONE 0
#define ELFDATA2LSB 1
#define ELFDATA2MSB 2
#define ELFDATANUM 3
/*
* e_ident[EI_OSABI]
*/
#define ELFOSABI_NONE 0 /* No extensions or unspecified */
#define ELFOSABI_SYSV ELFOSABI_NONE
#define ELFOSABI_HPUX 1 /* Hewlett-Packard HP-UX */
#define ELFOSABI_NETBSD 2 /* NetBSD */
#define ELFOSABI_LINUX 3 /* Linux */
#define ELFOSABI_SOLARIS 6 /* Sun Solaris */
#define ELFOSABI_AIX 7 /* AIX */
#define ELFOSABI_IRIX 8 /* IRIX */
#define ELFOSABI_FREEBSD 9 /* FreeBSD */
#define ELFOSABI_TRU64 10 /* Compaq TRU64 UNIX */
#define ELFOSABI_MODESTO 11 /* Novell Modesto */
#define ELFOSABI_OPENBSD 12 /* Open BSD */
#define ELFOSABI_OPENVMS 13 /* Open VMS */
#define ELFOSABI_NSK 14 /* Hewlett-Packard Non-Stop Kernel */
#define ELFOSABI_AROS 15 /* Amiga Research OS */
/* these are probably obsolete: */
#define ELFOSABI_ARM 97 /* ARM */
#define ELFOSABI_STANDALONE 255 /* standalone (embedded) application */
/*
* e_type
*/
#define ET_NONE 0
#define ET_REL 1
#define ET_EXEC 2
#define ET_DYN 3
#define ET_CORE 4
#define ET_NUM 5
#define ET_LOOS 0xfe00
#define ET_HIOS 0xfeff
#define ET_LOPROC 0xff00
#define ET_HIPROC 0xffff
/*
* e_machine
*/
#define EM_NONE 0 /* No machine */
#define EM_M32 1 /* AT&T WE 32100 */
#define EM_SPARC 2 /* SPARC */
#define EM_386 3 /* Intel 80386 */
#define EM_68K 4 /* Motorola 68000 */
#define EM_88K 5 /* Motorola 88000 */
#define EM_486 6 /* Intel i486 (DO NOT USE THIS ONE) */
#define EM_860 7 /* Intel 80860 */
#define EM_MIPS 8 /* MIPS I Architecture */
#define EM_S370 9 /* IBM System/370 Processor */
#define EM_MIPS_RS3_LE 10 /* MIPS RS3000 Little-endian */
#define EM_SPARC64 11 /* SPARC 64-bit */
#define EM_PARISC 15 /* Hewlett-Packard PA-RISC */
#define EM_VPP500 17 /* Fujitsu VPP500 */
#define EM_SPARC32PLUS 18 /* Enhanced instruction set SPARC */
#define EM_960 19 /* Intel 80960 */
#define EM_PPC 20 /* PowerPC */
#define EM_PPC64 21 /* 64-bit PowerPC */
#define EM_S390 22 /* IBM System/390 Processor */
#define EM_V800 36 /* NEC V800 */
#define EM_FR20 37 /* Fujitsu FR20 */
#define EM_RH32 38 /* TRW RH-32 */
#define EM_RCE 39 /* Motorola RCE */
#define EM_ARM 40 /* Advanced RISC Machines ARM */
#define EM_ALPHA 41 /* Digital Alpha */
#define EM_SH 42 /* Hitachi SH */
#define EM_SPARCV9 43 /* SPARC Version 9 */
#define EM_TRICORE 44 /* Siemens TriCore embedded processor */
#define EM_ARC 45 /* Argonaut RISC Core, Argonaut Technologies Inc. */
#define EM_H8_300 46 /* Hitachi H8/300 */
#define EM_H8_300H 47 /* Hitachi H8/300H */
#define EM_H8S 48 /* Hitachi H8S */
#define EM_H8_500 49 /* Hitachi H8/500 */
#define EM_IA_64 50 /* Intel IA-64 processor architecture */
#define EM_MIPS_X 51 /* Stanford MIPS-X */
#define EM_COLDFIRE 52 /* Motorola ColdFire */
#define EM_68HC12 53 /* Motorola M68HC12 */
#define EM_MMA 54 /* Fujitsu MMA Multimedia Accelerator */
#define EM_PCP 55 /* Siemens PCP */
#define EM_NCPU 56 /* Sony nCPU embedded RISC processor */
#define EM_NDR1 57 /* Denso NDR1 microprocessor */
#define EM_STARCORE 58 /* Motorola Star*Core processor */
#define EM_ME16 59 /* Toyota ME16 processor */
#define EM_ST100 60 /* STMicroelectronics ST100 processor */
#define EM_TINYJ 61 /* Advanced Logic Corp. TinyJ embedded processor family */
#define EM_X86_64 62 /* AMD x86-64 architecture */
#define EM_PDSP 63 /* Sony DSP Processor */
#define EM_FX66 66 /* Siemens FX66 microcontroller */
#define EM_ST9PLUS 67 /* STMicroelectronics ST9+ 8/16 bit microcontroller */
#define EM_ST7 68 /* STMicroelectronics ST7 8-bit microcontroller */
#define EM_68HC16 69 /* Motorola MC68HC16 Microcontroller */
#define EM_68HC11 70 /* Motorola MC68HC11 Microcontroller */
#define EM_68HC08 71 /* Motorola MC68HC08 Microcontroller */
#define EM_68HC05 72 /* Motorola MC68HC05 Microcontroller */
#define EM_SVX 73 /* Silicon Graphics SVx */
#define EM_ST19 74 /* STMicroelectronics ST19 8-bit microcontroller */
#define EM_VAX 75 /* Digital VAX */
#define EM_CRIS 76 /* Axis Communications 32-bit embedded processor */
#define EM_JAVELIN 77 /* Infineon Technologies 32-bit embedded processor */
#define EM_FIREPATH 78 /* Element 14 64-bit DSP Processor */
#define EM_ZSP 79 /* LSI Logic 16-bit DSP Processor */
#define EM_MMIX 80 /* Donald Knuth's educational 64-bit processor */
#define EM_HUANY 81 /* Harvard University machine-independent object files */
#define EM_PRISM 82 /* SiTera Prism */
#define EM_AVR 83 /* Atmel AVR 8-bit microcontroller */
#define EM_FR30 84 /* Fujitsu FR30 */
#define EM_D10V 85 /* Mitsubishi D10V */
#define EM_D30V 86 /* Mitsubishi D30V */
#define EM_V850 87 /* NEC v850 */
#define EM_M32R 88 /* Mitsubishi M32R */
#define EM_MN10300 89 /* Matsushita MN10300 */
#define EM_MN10200 90 /* Matsushita MN10200 */
#define EM_PJ 91 /* picoJava */
#define EM_OPENRISC 92 /* OpenRISC 32-bit embedded processor */
#define EM_ARC_A5 93 /* ARC Cores Tangent-A5 */
#define EM_XTENSA 94 /* Tensilica Xtensa Architecture */
#define EM_VIDEOCORE 95 /* Alphamosaic VideoCore processor */
#define EM_TMM_GPP 96 /* Thompson Multimedia General Purpose Processor */
#define EM_NS32K 97 /* National Semiconductor 32000 series */
#define EM_TPC 98 /* Tenor Network TPC processor */
#define EM_SNP1K 99 /* Trebia SNP 1000 processor */
#define EM_ST200 100 /* STMicroelectronics (www.st.com) ST200 microcontroller */
#define EM_IP2K 101 /* Ubicom IP2xxx microcontroller family */
#define EM_MAX 102 /* MAX Processor */
#define EM_CR 103 /* National Semiconductor CompactRISC microprocessor */
#define EM_F2MC16 104 /* Fujitsu F2MC16 */
#define EM_MSP430 105 /* Texas Instruments embedded microcontroller msp430 */
#define EM_BLACKFIN 106 /* Analog Devices Blackfin (DSP) processor */
#define EM_SE_C33 107 /* S1C33 Family of Seiko Epson processors */
#define EM_SEP 108 /* Sharp embedded microprocessor */
#define EM_ARCA 109 /* Arca RISC Microprocessor */
#define EM_UNICORE 110 /* Microprocessor series from PKU-Unity Ltd. and MPRC of Peking University */
#define EM_NUM 111
/*
* e_ident[EI_VERSION], e_version
*/
#define EV_NONE 0
#define EV_CURRENT 1
#define EV_NUM 2
/*
* e_flags
*/
#define EF_ARM_RELEXEC 0x01
#define EF_ARM_HASENTRY 0x02
#define EF_ARM_INTERWORK 0x04
/*
* Program header
*/
typedef struct {
unsigned int p_type;
unsigned int p_offset;
unsigned int p_vaddr;
unsigned int p_paddr;
unsigned int p_filesz;
unsigned int p_memsz;
unsigned int p_flags;
unsigned int p_align;
} Elf32_Phdr;
/*
* 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_TLS 7
#define PT_NUM 8
#define PT_LOOS 0x60000000
#define PT_HIOS 0x6fffffff
#define PT_LOPROC 0x70000000
#define PT_HIPROC 0x7fffffff
#define SHT_ARM_EXIDX 0x70000001
/*
* p_flags
*/
#define PF_X 0x1
#define PF_W 0x2
#define PF_R 0x4
#define PF_MASKOS 0x0ff00000
#define PF_MASKPROC 0xf0000000
/*
* Section header
*/
typedef struct {
unsigned int sh_name;
unsigned int sh_type;
unsigned int sh_flags;
unsigned int sh_addr;
unsigned int sh_offset;
unsigned int sh_size;
unsigned int sh_link;
unsigned int sh_info;
unsigned int sh_addralign;
unsigned int sh_entsize;
} Elf32_Shdr;
/*
* sh_type
*/
#define SHT_NULL 0
#define SHT_PROGBITS 1
#define SHT_SYMTAB 2
#define SHT_STRTAB 3
#define SHT_RELA 4
#define SHT_HASH 5
#define SHT_DYNAMIC 6
#define SHT_NOTE 7
#define SHT_NOBITS 8
#define SHT_REL 9
#define SHT_SHLIB 10
#define SHT_DYNSYM 11
#define SHT_INIT_ARRAY 14
#define SHT_FINI_ARRA 15
#define SHT_PREINIT_ARRAY 16
#define SHT_GROUP 17
#define SHT_SYMTAB_SHNDX 18
#define SHT_NUM 19
#define SHT_LOOS 0x60000000
#define SHT_HIOS 0x6fffffff
#define SHT_LOPROC 0x70000000
#define SHT_HIPROC 0x7fffffff
#define SHT_LOUSER 0x80000000
#define SHT_HIUSER 0xffffffff
/*
* sh_flags
*/
#define SHF_WRITE 0x1
#define SHF_ALLOC 0x2
#define SHF_EXECINSTR 0x4
#define SHF_MERGE 0x10
#define SHF_STRINGS 0x20
#define SHF_INFO_LINK 0x40
#define SHF_LINK_ORDER 0x80
#define SHF_OS_NONCONFORMING 0x100
#define SHF_GROUP 0x200
#define SHF_TLS 0x400
#define SHF_MASKOS 0x0ff00000
#define SHF_MASKPROC 0xf0000000
/* functions */
char ELFCheckHeader(unsigned char * binElf);
unsigned int ELFHdrFlags(unsigned char * binElf);
unsigned int ELFEntryAddr(unsigned char * binElf);
int ELFNoPSections(unsigned char * binElf);
unsigned int ELFTypePSection(unsigned char * binElf, int count);
unsigned int ELFFlagPSection(unsigned char * binElf, int count);
unsigned int ELFOffsPSection(unsigned char * binElf, int count);
unsigned int ELFAddrPSection(unsigned char * binElf, int count);
unsigned int ELFSizePSection(unsigned char * binElf, int count);