📄 elftypes.h
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/*
ELFTypes.h - Standart ELF data types.
Copyright (C) 2001 Serge Lamikhov-Center <to_serge@users.sourceforge.net>
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser 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
*/
#ifndef ELFTYPES_H
#define ELFTYPES_H
// Attention! Platform depended definitions.
typedef unsigned long Elf32_Addr;
typedef unsigned short Elf32_Half;
typedef unsigned long Elf32_Off;
typedef signed long Elf32_Sword;
typedef unsigned long Elf32_Word;
///////////////////////
// ELF Header Constants
// File type
#define ET_NONE 0
#define ET_REL 1
#define ET_EXEC 2
#define ET_DYN 3
#define ET_CORE 4
#define ET_LOOS 0xFE00
#define ET_HIOS 0xFEFF
#define ET_LOPROC 0xFF00
#define ET_HIPROC 0xFFFF
// Machine/Architecture
#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
//reserved 6 Reserved for future use (was EM_486)
#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
//reserved 11-14 Reserved for future use
#define EM_PARISC 15 // Hewlett-Packard PA-RISC
#define reserved 16 // Reserved for future use
#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
//reserved 23-35 Reserved for future use
#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
//reserved 64-65 Reserved for future use
#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
// File version
#define EV_NONE 0
#define EV_CURRENT 1
// Identification index
#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 EI_NIDENT 16
// Magic number
#define ELFMAG0 0x7F
#define ELFMAG1 'E'
#define ELFMAG2 'L'
#define ELFMAG3 'F'
// File class
#define ELFCLASSNONE 0
#define ELFCLASS32 1
#define ELFCLASS64 2
// Encoding
#define ELFDATANONE 0
#define ELFDATA2LSB 1
#define ELFDATA2MSB 2
// OS extensions
#define ELFOSABI_NONE 0 // No extensions or unspecified
#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
/////////////////////
// Sections constants
// Section indexes
#define SHN_UNDEF 0
#define SHN_LORESERVE 0xFF00
#define SHN_LOPROC 0xFF00
#define SHN_HIPROC 0xFF1F
#define SHN_LOOS 0xFF20
#define SHN_HIOS 0xFF3F
#define SHN_ABS 0xFFF1
#define SHN_COMMON 0xFFF2
#define SHN_XINDEX 0xFFFF
#define SHN_HIRESERVE 0xFFFF
// Section types
#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_ARRAY 15
#define SHT_PREINIT_ARRAY 16
#define SHT_GROUP 17
#define SHT_SYMTAB_SHNDX 18
#define SHT_LOOS 0x60000000
#define SHT_HIOS 0x6fffffff
#define SHT_LOPROC 0x70000000
#define SHT_HIPROC 0x7FFFFFFF
#define SHT_LOUSER 0x80000000
#define SHT_HIUSER 0xFFFFFFFF
// Section 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
// Section group flags
#define GRP_COMDAT 0x1
#define GRP_MASKOS 0x0ff00000
#define GRP_MASKPROC 0xf0000000
// Symbol binding
#define STB_LOCAL 0
#define STB_GLOBAL 1
#define STB_WEAK 2
#define STB_LOOS 10
#define STB_HIOS 12
#define STB_LOPROC 13
#define STB_HIPROC 15
// Symbol types
#define STT_NOTYPE 0
#define STT_OBJECT 1
#define STT_FUNC 2
#define STT_SECTION 3
#define STT_FILE 4
#define STT_COMMON 5
#define STT_TLS 6
#define STT_LOOS 10
#define STT_HIOS 12
#define STT_LOPROC 13
#define STT_HIPROC 15
// Symbol visibility
#define STV_DEFAULT 0
#define STV_INTERNAL 1
#define STV_HIDDEN 2
#define STV_PROTECTED 3
// Undefined name
#define STN_UNDEF 0
// Relocation types
#define R_386_NONE 0
#define R_386_32 1
#define R_386_PC32 2
#define R_386_GOT32 3
#define R_386_PLT32 4
#define R_386_COPY 5
#define R_386_GLOB_DAT 6
#define R_386_JMP_SLOT 7
#define R_386_RELATIVE 8
#define R_386_GOTOFF 9
#define R_386_GOTPC 10
// Segment types
#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_LOOS 0x60000000
#define PT_HIOS 0x6fffffff
#define PT_LOPROC 0x70000000
#define PT_HIPROC 0x7FFFFFFF
// Segment flags
#define PF_X 1
#define PF_W 2
#define PF_R 4
#define PF_MASKOS 0x0ff00000
#define PF_MASKPROC 0xf0000000
// Dynamic Array Tags
#define DT_NULL 0
#define DT_NEEDED 1
#define DT_PLTRELSZ 2
#define DT_PLTGOT 3
#define DT_HASH 4
#define DT_STRTAB 5
#define DT_SYMTAB 6
#define DT_RELA 7
#define DT_RELASZ 8
#define DT_RELAENT 9
#define DT_STRSZ 10
#define DT_SYMENT 11
#define DT_INIT 12
#define DT_FINI 13
#define DT_SONAME 14
#define DT_RPATH 15
#define DT_SYMBOLIC 16
#define DT_REL 17
#define DT_RELSZ 18
#define DT_RELENT 19
#define DT_PLTREL 20
#define DT_DEBUG 21
#define DT_TEXTREL 22
#define DT_JMPREL 23
#define DT_BIND_NOW 24
#define DT_INIT_ARRAY 25
#define DT_FINI_ARRAY 26
#define DT_INIT_ARRAYSZ 27
#define DT_FINI_ARRAYSZ 28
#define DT_RUNPATH 29
#define DT_FLAGS 30
#define DT_ENCODING 32
#define DT_PREINIT_ARRAY 32
#define DT_PREINIT_ARRAYSZ 33
#define DT_LOOS 0x6000000D
#define DT_HIOS 0x6ffff000
#define DT_LOPROC 0x70000000
#define DT_HIPROC 0x7FFFFFFF
// DT_FLAGS values
#define DF_ORIGIN 0x1
#define DF_SYMBOLIC 0x2
#define DF_TEXTREL 0x4
#define DF_BIND_NOW 0x8
#define DF_STATIC_TLS 0x10
// ELF file header
struct Elf32_Ehdr {
unsigned char e_ident[EI_NIDENT];
Elf32_Half e_type;
Elf32_Half e_machine;
Elf32_Word e_version;
Elf32_Addr e_entry;
Elf32_Off e_phoff;
Elf32_Off e_shoff;
Elf32_Word e_flags;
Elf32_Half e_ehsize;
Elf32_Half e_phentsize;
Elf32_Half e_phnum;
Elf32_Half e_shentsize;
Elf32_Half e_shnum;
Elf32_Half e_shstrndx;
};
// Section header
struct Elf32_Shdr {
Elf32_Word sh_name;
Elf32_Word sh_type;
Elf32_Word sh_flags;
Elf32_Addr sh_addr;
Elf32_Off sh_offset;
Elf32_Word sh_size;
Elf32_Word sh_link;
Elf32_Word sh_info;
Elf32_Word sh_addralign;
Elf32_Word sh_entsize;
};
// Segment header
struct Elf32_Phdr {
Elf32_Word p_type;
Elf32_Off p_offset;
Elf32_Addr p_vaddr;
Elf32_Addr p_paddr;
Elf32_Word p_filesz;
Elf32_Word p_memsz;
Elf32_Word p_flags;
Elf32_Word p_align;
};
// Symbol table entry
struct Elf32_Sym {
Elf32_Word st_name;
Elf32_Addr st_value;
Elf32_Word st_size;
unsigned char st_info;
unsigned char st_other;
Elf32_Half st_shndx;
};
#define ELF32_ST_BIND(i) ((i)>>4)
#define ELF32_ST_TYPE(i) ((i)&0xf)
#define ELF32_ST_INFO(b,t) (((b)<<4)+((t)&0xf))
#define ELF32_ST_VISIBILITY(o) ((o)&0x3)
// Relocation entries
struct Elf32_Rel {
Elf32_Addr r_offset;
Elf32_Word r_info;
};
struct Elf32_Rela {
Elf32_Addr r_offset;
Elf32_Word r_info;
Elf32_Sword r_addend;
};
#define ELF32_R_SYM(i) ((i)>>8)
#define ELF32_R_TYPE(i) ((unsigned char)(i))
#define ELF32_R_INFO(s,t) (((s)<<8 )+(unsigned char)(t))
// Dynamic structure
struct Elf32_Dyn {
Elf32_Sword d_tag;
union {
Elf32_Word d_val;
Elf32_Addr d_ptr;
} d_un;
};
#endif // ELFTYPES_H
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