/* This file defines standard ELF types, structures, and macros. Copyright (C) 1995-2012 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C 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. The GNU C 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 the GNU C Library; if not, see <http://www.gnu.org/licenses/>. */ #ifndef _ELF_H#define _ELF_H 1 #ifndef _WIN32#include <inttypes.h>#else#ifndef __int8_t_defined#define __int8_t_definedtypedef signed char int8_t;typedef short int int16_t;typedef int int32_t;typedef long long int int64_t;typedef unsigned char uint8_t;typedef unsigned short int uint16_t;typedef unsigned int uint32_t;typedef unsigned long long int uint64_t;#endif#endif /* Standard ELF types. */ /* Type for a 16-bit quantity. */typedef uint16_t Elf32_Half;typedef uint16_t Elf64_Half; /* Types for signed and unsigned 32-bit quantities. */typedef uint32_t Elf32_Word;typedef int32_t Elf32_Sword;typedef uint32_t Elf64_Word;typedef int32_t Elf64_Sword; /* Types for signed and unsigned 64-bit quantities. */typedef uint64_t Elf32_Xword;typedef int64_t Elf32_Sxword;typedef uint64_t Elf64_Xword;typedef int64_t Elf64_Sxword; /* Type of addresses. */typedef uint32_t Elf32_Addr;typedef uint64_t Elf64_Addr; /* Type of file offsets. */typedef uint32_t Elf32_Off;typedef uint64_t Elf64_Off; /* Type for section indices, which are 16-bit quantities. */typedef uint16_t Elf32_Section;typedef uint16_t Elf64_Section; /* Type for version symbol information. */typedef Elf32_Half Elf32_Versym;typedef Elf64_Half Elf64_Versym; /* The ELF file header. This appears at the start of every ELF file. */ #define EI_NIDENT (16) typedef struct{ unsigned char e_ident[EI_NIDENT]; /* Magic number and other info */ Elf32_Half e_type; /* Object file type */ Elf32_Half e_machine; /* Architecture */ Elf32_Word e_version; /* Object file version */ Elf32_Addr e_entry; /* Entry point virtual address */ Elf32_Off e_phoff; /* Program header table file offset */ Elf32_Off e_shoff; /* Section header table file offset */ Elf32_Word e_flags; /* Processor-specific flags */ Elf32_Half e_ehsize; /* ELF header size in bytes */ Elf32_Half e_phentsize; /* Program header table entry size */ Elf32_Half e_phnum; /* Program header table entry count */ Elf32_Half e_shentsize; /* Section header table entry size */ Elf32_Half e_shnum; /* Section header table entry count */ Elf32_Half e_shstrndx; /* Section header string table index */} Elf32_Ehdr; typedef struct{ unsigned char e_ident[EI_NIDENT]; /* Magic number and other info */ Elf64_Half e_type; /* Object file type */ Elf64_Half e_machine; /* Architecture */ Elf64_Word e_version; /* Object file version */ Elf64_Addr e_entry; /* Entry point virtual address */ Elf64_Off e_phoff; /* Program header table file offset */ Elf64_Off e_shoff; /* Section header table file offset */ Elf64_Word e_flags; /* Processor-specific flags */ Elf64_Half e_ehsize; /* ELF header size in bytes */ Elf64_Half e_phentsize; /* Program header table entry size */ Elf64_Half e_phnum; /* Program header table entry count */ Elf64_Half e_shentsize; /* Section header table entry size */ Elf64_Half e_shnum; /* Section header table entry count */ Elf64_Half e_shstrndx; /* Section header string table index */} Elf64_Ehdr; /* Fields in the e_ident array. The EI_* macros are indices into the array. The macros under each EI_* macro are the values the byte may have. */ #define EI_MAG0 0 /* File identification byte 0 index */#define ELFMAG0 0x7f /* Magic number byte 0 */ #define EI_MAG1 1 /* File identification byte 1 index */#define ELFMAG1 'E' /* Magic number byte 1 */ #define EI_MAG2 2 /* File identification byte 2 index */#define ELFMAG2 'L' /* Magic number byte 2 */ #define EI_MAG3 3 /* File identification byte 3 index */#define ELFMAG3 'F' /* Magic number byte 3 */ /* Conglomeration of the identification bytes, for easy testing as a word. */#define ELFMAG "\177ELF"#define SELFMAG 4 #define EI_CLASS 4 /* File class byte index */#define ELFCLASSNONE 0 /* Invalid class */#define ELFCLASS32 1 /* 32-bit objects */#define ELFCLASS64 2 /* 64-bit objects */#define ELFCLASSNUM 3 #define EI_DATA 5 /* Data encoding byte index */#define ELFDATANONE 0 /* Invalid data encoding */#define ELFDATA2LSB 1 /* 2's complement, little endian */#define ELFDATA2MSB 2 /* 2's complement, big endian */#define ELFDATANUM 3 #define EI_VERSION 6 /* File version byte index */ /* Value must be EV_CURRENT */ #define EI_OSABI 7 /* OS ABI identification */#define ELFOSABI_NONE 0 /* UNIX System V ABI */#define ELFOSABI_SYSV 0 /* Alias. */#define ELFOSABI_HPUX 1 /* HP-UX */#define ELFOSABI_NETBSD 2 /* NetBSD. */#define ELFOSABI_GNU 3 /* Object uses GNU ELF extensions. */#define ELFOSABI_LINUX ELFOSABI_GNU /* Compatibility alias. */#define ELFOSABI_SOLARIS 6 /* Sun Solaris. */#define ELFOSABI_AIX 7 /* IBM AIX. */#define ELFOSABI_IRIX 8 /* SGI Irix. */#define ELFOSABI_FREEBSD 9 /* FreeBSD. */#define ELFOSABI_TRU64 10 /* Compaq TRU64 UNIX. */#define ELFOSABI_MODESTO 11 /* Novell Modesto. */#define ELFOSABI_OPENBSD 12 /* OpenBSD. */#define ELFOSABI_OPENVMS 13#define ELFOSABI_NSK 14 /* Hewlett-Packard Non-Stop Kernel. */#define ELFOSABI_AROS 15 /* Amiga Research OS. */#define ELFOSABI_FENIXOS 16 /* FenixOS. */#define ELFOSABI_ARM_AEABI 64 /* ARM EABI. */#define ELFOSABI_C6000_LINUX 65 /* Linux TMS320C6000. */#define ELFOSABI_ARM 97 /* ARM */#define ELFOSABI_STANDALONE 255 /* Standalone (embedded) application */ #define EI_ABIVERSION 8 /* ABI version */ #define EI_PAD 9 /* Byte index of padding bytes */ /* Legal values for e_type (object file 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_NUM 5 /* Number of defined types */#define ET_LOOS 0xfe00 /* OS-specific range start */#define ET_HIOS 0xfeff /* OS-specific range end */#define ET_LOPROC 0xff00 /* Processor-specific range start */#define ET_HIPROC 0xffff /* Processor-specific range end */ /* Legal values for e_machine (architecture). */ #define EM_NONE 0 /* No machine */#define EM_M32 1 /* AT&T WE 32100 */#define EM_SPARC 2 /* SUN SPARC */#define EM_386 3 /* Intel 80386 */#define EM_68K 4 /* Motorola m68k family */#define EM_88K 5 /* Motorola m88k family */#define EM_860 7 /* Intel 80860 */#define EM_MIPS 8 /* MIPS R3000 big-endian */#define EM_S370 9 /* IBM System/370 */#define EM_MIPS_RS3_LE 10 /* MIPS R3000 little-endian */ #define EM_PARISC 15 /* HPPA */#define EM_VPP500 17 /* Fujitsu VPP500 */#define EM_SPARC32PLUS 18 /* Sun's "v8plus" */#define EM_960 19 /* Intel 80960 */#define EM_PPC 20 /* PowerPC */#define EM_PPC64 21 /* PowerPC 64-bit */#define EM_S390 22 /* IBM S390 */ #define EM_V800 36 /* NEC V800 series */#define EM_FR20 37 /* Fujitsu FR20 */#define EM_RH32 38 /* TRW RH-32 */#define EM_RCE 39 /* Motorola RCE */#define EM_ARM 40 /* ARM */#define EM_FAKE_ALPHA 41 /* Digital Alpha */#define EM_SH 42 /* Hitachi SH */#define EM_SPARCV9 43 /* SPARC v9 64-bit */#define EM_TRICORE 44 /* Siemens Tricore */#define EM_ARC 45 /* Argonaut RISC Core */#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 Merced */#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 */#define EM_NDR1 57 /* Denso NDR1 microprocessor */#define EM_STARCORE 58 /* Motorola Start*Core processor */#define EM_ME16 59 /* Toyota ME16 processor */#define EM_ST100 60 /* STMicroelectronic ST100 processor */#define EM_TINYJ 61 /* Advanced Logic Corp. Tinyj emb.fam*/#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 mc */#define EM_ST7 68 /* STMicroelectronics ST7 8 bit mc */#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 mc */#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_AARCH64 183 /* ARM AARCH64 */#define EM_TILEPRO 188 /* Tilera TILEPro */#define EM_TILEGX 191 /* Tilera TILE-Gx */#define EM_RISCV 243 /* RISC-V */#define EM_NUM 253 /* If it is necessary to assign new unofficial EM_* values, please pick large random numbers (0x8523, 0xa7f2, etc.) to minimize the chances of collision with official or non-GNU unofficial values. */ #define EM_ALPHA 0x9026#define EM_C60 0x9c60 /* Legal values for e_version (version). */ #define EV_NONE 0 /* Invalid ELF version */#define EV_CURRENT 1 /* Current version */#define EV_NUM 2 /* Section header. */ typedef struct{ Elf32_Word sh_name; /* Section name (string tbl index) */ Elf32_Word sh_type; /* Section type */ Elf32_Word sh_flags; /* Section flags */ Elf32_Addr sh_addr; /* Section virtual addr at execution */ Elf32_Off sh_offset; /* Section file offset */ Elf32_Word sh_size; /* Section size in bytes */ Elf32_Word sh_link; /* Link to another section */ Elf32_Word sh_info; /* Additional section information */ Elf32_Word sh_addralign; /* Section alignment */ Elf32_Word sh_entsize; /* Entry size if section holds table */} Elf32_Shdr; typedef struct{ Elf64_Word sh_name; /* Section name (string tbl index) */ Elf64_Word sh_type; /* Section type */ Elf64_Xword sh_flags; /* Section flags */ Elf64_Addr sh_addr; /* Section virtual addr at execution */ Elf64_Off sh_offset; /* Section file offset */ Elf64_Xword sh_size; /* Section size in bytes */ Elf64_Word sh_link; /* Link to another section */ Elf64_Word sh_info; /* Additional section information */ Elf64_Xword sh_addralign; /* Section alignment */ Elf64_Xword sh_entsize; /* Entry size if section holds table */} Elf64_Shdr; /* Special section indices. */ #define SHN_UNDEF 0 /* Undefined section */#define SHN_LORESERVE 0xff00 /* Start of reserved indices */#define SHN_LOPROC 0xff00 /* Start of processor-specific */#define SHN_BEFORE 0xff00 /* Order section before all others (Solaris). */#define SHN_AFTER 0xff01 /* Order section after all others (Solaris). */#define SHN_HIPROC 0xff1f /* End of processor-specific */#define SHN_LOOS 0xff20 /* Start of OS-specific */#define SHN_HIOS 0xff3f /* End of OS-specific */#define SHN_ABS 0xfff1 /* Associated symbol is absolute */#define SHN_COMMON 0xfff2 /* Associated symbol is common */#define SHN_XINDEX 0xffff /* Index is in extra table. */#define SHN_HIRESERVE 0xffff /* End of reserved indices */ /* Legal values for sh_type (section type). */ #define SHT_NULL 0 /* Section header table entry unused */#define SHT_PROGBITS 1 /* Program data */#define SHT_SYMTAB 2 /* Symbol table */#define SHT_STRTAB 3 /* String table */#define SHT_RELA 4 /* Relocation entries with addends */#define SHT_HASH 5 /* Symbol hash table */#define SHT_DYNAMIC 6 /* Dynamic linking information */#define SHT_NOTE 7 /* Notes */#define SHT_NOBITS 8 /* Program space with no data (bss) */#define SHT_REL 9 /* Relocation entries, no addends */#define SHT_SHLIB 10 /* Reserved */#define SHT_DYNSYM 11 /* Dynamic linker symbol table */#define SHT_INIT_ARRAY 14 /* Array of constructors */#define SHT_FINI_ARRAY 15 /* Array of destructors */#define SHT_PREINIT_ARRAY 16 /* Array of pre-constructors */#define SHT_GROUP 17 /* Section group */#define SHT_SYMTAB_SHNDX 18 /* Extended section indices */#define SHT_NUM 19 /* Number of defined types. */#define SHT_LOOS 0x60000000 /* Start OS-specific. */#define SHT_GNU_ATTRIBUTES 0x6ffffff5 /* Object attributes. */#define SHT_GNU_HASH 0x6ffffff6 /* GNU-style hash table. */#define SHT_GNU_LIBLIST 0x6ffffff7 /* Prelink library list */#define SHT_CHECKSUM 0x6ffffff8 /* Checksum for DSO content. */#define SHT_LOSUNW 0x6ffffffa /* Sun-specific low bound. */#define SHT_SUNW_move 0x6ffffffa#define SHT_SUNW_COMDAT 0x6ffffffb#define SHT_SUNW_syminfo 0x6ffffffc#define SHT_GNU_verdef 0x6ffffffd /* Version definition section. */#define SHT_GNU_verneed 0x6ffffffe /* Version needs section. */#define SHT_GNU_versym 0x6fffffff /* Version symbol table. */#define SHT_HISUNW 0x6fffffff /* Sun-specific high bound. */#define SHT_HIOS 0x6fffffff /* End OS-specific type */#define SHT_LOPROC 0x70000000 /* Start of processor-specific */#define SHT_HIPROC 0x7fffffff /* End of processor-specific */#define SHT_LOUSER 0x80000000 /* Start of application-specific */#define SHT_HIUSER 0x8fffffff /* End of application-specific */ /* Legal values for sh_flags (section flags). */ #define SHF_WRITE (1 << 0) /* Writable */#define SHF_ALLOC (1 << 1) /* Occupies memory during execution */#define SHF_EXECINSTR (1 << 2) /* Executable */#define SHF_MERGE (1 << 4) /* Might be merged */#define SHF_STRINGS (1 << 5) /* Contains nul-terminated strings */#define SHF_INFO_LINK (1 << 6) /* `sh_info' contains SHT index */#define SHF_LINK_ORDER (1 << 7) /* Preserve order after combining */#define SHF_OS_NONCONFORMING (1 << 8) /* Non-standard OS specific handling required */#define SHF_GROUP (1 << 9) /* Section is member of a group. */#define SHF_TLS (1 << 10) /* Section hold thread-local data. */#define SHF_COMPRESSED (1 << 11) /* Section with compressed data. */#define SHF_MASKOS 0x0ff00000 /* OS-specific. */#define SHF_MASKPROC 0xf0000000 /* Processor-specific */#define SHF_ORDERED (1 << 30) /* Special ordering requirement (Solaris). */#define SHF_EXCLUDE (1U << 31) /* Section is excluded unless referenced or allocated (Solaris).*/ /* Section group handling. */#define GRP_COMDAT 0x1 /* Mark group as COMDAT. */ /* Symbol table entry. */ typedef struct{ Elf32_Word st_name; /* Symbol name (string tbl index) */ Elf32_Addr st_value; /* Symbol value */ Elf32_Word st_size; /* Symbol size */ unsigned char st_info; /* Symbol type and binding */ unsigned char st_other; /* Symbol visibility */ Elf32_Section st_shndx; /* Section index */} Elf32_Sym; typedef struct{ Elf64_Word st_name; /* Symbol name (string tbl index) */ unsigned char st_info; /* Symbol type and binding */ unsigned char st_other; /* Symbol visibility */ Elf64_Section st_shndx; /* Section index */ Elf64_Addr st_value; /* Symbol value */ Elf64_Xword st_size; /* Symbol size */} Elf64_Sym; /* The syminfo section if available contains additional information about every dynamic symbol. */ typedef struct{ Elf32_Half si_boundto; /* Direct bindings, symbol bound to */ Elf32_Half si_flags; /* Per symbol flags */} Elf32_Syminfo; typedef struct{ Elf64_Half si_boundto; /* Direct bindings, symbol bound to */ Elf64_Half si_flags; /* Per symbol flags */} Elf64_Syminfo; /* Possible values for si_boundto. */#define SYMINFO_BT_SELF 0xffff /* Symbol bound to self */#define SYMINFO_BT_PARENT 0xfffe /* Symbol bound to parent */#define SYMINFO_BT_LOWRESERVE 0xff00 /* Beginning of reserved entries */ /* Possible bitmasks for si_flags. */#define SYMINFO_FLG_DIRECT 0x0001 /* Direct bound symbol */#define SYMINFO_FLG_PASSTHRU 0x0002 /* Pass-thru symbol for translator */#define SYMINFO_FLG_COPY 0x0004 /* Symbol is a copy-reloc */#define SYMINFO_FLG_LAZYLOAD 0x0008 /* Symbol bound to object to be lazy loaded *//* Syminfo version values. */#define SYMINFO_NONE 0#define SYMINFO_CURRENT 1#define SYMINFO_NUM 2 /* How to extract and insert information held in the st_info field. */ #define ELF32_ST_BIND(val) (((unsigned char) (val)) >> 4)#define ELF32_ST_TYPE(val) ((val) & 0xf)#define ELF32_ST_INFO(bind, type) (((bind) << 4) + ((type) & 0xf)) /* Both Elf32_Sym and Elf64_Sym use the same one-byte st_info field. */#define ELF64_ST_BIND(val) ELF32_ST_BIND (val)#define ELF64_ST_TYPE(val) ELF32_ST_TYPE (val)#define ELF64_ST_INFO(bind, type) ELF32_ST_INFO ((bind), (type)) /* Legal values for ST_BIND subfield of st_info (symbol binding). */ #define STB_LOCAL 0 /* Local symbol */#define STB_GLOBAL 1 /* Global symbol */#define STB_WEAK 2 /* Weak symbol */#define STB_NUM 3 /* Number of defined types. */#define STB_LOOS 10 /* Start of OS-specific */#define STB_GNU_UNIQUE 10 /* Unique symbol. */#define STB_HIOS 12 /* End of OS-specific */#define STB_LOPROC 13 /* Start of processor-specific */#define STB_HIPROC 15 /* End of processor-specific */ /* Legal values for ST_TYPE subfield of st_info (symbol type). */ #define STT_NOTYPE 0 /* Symbol type is unspecified */#define STT_OBJECT 1 /* Symbol is a data object */#define STT_FUNC 2 /* Symbol is a code object */#define STT_SECTION 3 /* Symbol associated with a section */#define STT_FILE 4 /* Symbol's name is file name */#define STT_COMMON 5 /* Symbol is a common data object */#define STT_TLS 6 /* Symbol is thread-local data object*/#define STT_NUM 7 /* Number of defined types. */#define STT_LOOS 10 /* Start of OS-specific */#define STT_GNU_IFUNC 10 /* Symbol is indirect code object */#define STT_HIOS 12 /* End of OS-specific */#define STT_LOPROC 13 /* Start of processor-specific */#define STT_HIPROC 15 /* End of processor-specific */ /* Symbol table indices are found in the hash buckets and chain table of a symbol hash table section. This special index value indicates the end of a chain, meaning no further symbols are found in that bucket. */ #define STN_UNDEF 0 /* End of a chain. */ /* How to extract and insert information held in the st_other field. */ #define ELF32_ST_VISIBILITY(o) ((o) & 0x03) Lines 1–500 of 3325. Load more
/* This file defines standard ELF types, structures, and macros. Copyright (C) 1995-2012 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C 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. The GNU C 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 the GNU C Library; if not, see <http://www.gnu.org/licenses/>. */ #ifndef _ELF_H #define _ELF_H 1 #ifndef _WIN32 #include <inttypes.h> #else #ifndef __int8_t_defined #define __int8_t_defined typedef signed char int8_t; typedef short int int16_t; typedef int int32_t; typedef long long int int64_t; typedef unsigned char uint8_t; typedef unsigned short int uint16_t; typedef unsigned int uint32_t; typedef unsigned long long int uint64_t; #endif #endif /* Standard ELF types. */ /* Type for a 16-bit quantity. */ typedef uint16_t Elf32_Half; typedef uint16_t Elf64_Half; /* Types for signed and unsigned 32-bit quantities. */ typedef uint32_t Elf32_Word; typedef int32_t Elf32_Sword; typedef uint32_t Elf64_Word; typedef int32_t Elf64_Sword; /* Types for signed and unsigned 64-bit quantities. */ typedef uint64_t Elf32_Xword; typedef int64_t Elf32_Sxword; typedef uint64_t Elf64_Xword; typedef int64_t Elf64_Sxword; /* Type of addresses. */ typedef uint32_t Elf32_Addr; typedef uint64_t Elf64_Addr; /* Type of file offsets. */ typedef uint32_t Elf32_Off; typedef uint64_t Elf64_Off; /* Type for section indices, which are 16-bit quantities. */ typedef uint16_t Elf32_Section; typedef uint16_t Elf64_Section; /* Type for version symbol information. */ typedef Elf32_Half Elf32_Versym; typedef Elf64_Half Elf64_Versym; /* The ELF file header. This appears at the start of every ELF file. */ #define EI_NIDENT (16) typedef struct { unsigned char e_ident[EI_NIDENT]; /* Magic number and other info */ Elf32_Half e_type; /* Object file type */ Elf32_Half e_machine; /* Architecture */ Elf32_Word e_version; /* Object file version */ Elf32_Addr e_entry; /* Entry point virtual address */ Elf32_Off e_phoff; /* Program header table file offset */ Elf32_Off e_shoff; /* Section header table file offset */ Elf32_Word e_flags; /* Processor-specific flags */ Elf32_Half e_ehsize; /* ELF header size in bytes */ Elf32_Half e_phentsize; /* Program header table entry size */ Elf32_Half e_phnum; /* Program header table entry count */ Elf32_Half e_shentsize; /* Section header table entry size */ Elf32_Half e_shnum; /* Section header table entry count */ Elf32_Half e_shstrndx; /* Section header string table index */ } Elf32_Ehdr; typedef struct { unsigned char e_ident[EI_NIDENT]; /* Magic number and other info */ Elf64_Half e_type; /* Object file type */ Elf64_Half e_machine; /* Architecture */ Elf64_Word e_version; /* Object file version */ Elf64_Addr e_entry; /* Entry point virtual address */ Elf64_Off e_phoff; /* Program header table file offset */ Elf64_Off e_shoff; /* Section header table file offset */ Elf64_Word e_flags; /* Processor-specific flags */ Elf64_Half e_ehsize; /* ELF header size in bytes */ Elf64_Half e_phentsize; /* Program header table entry size */ Elf64_Half e_phnum; /* Program header table entry count */ Elf64_Half e_shentsize; /* Section header table entry size */ Elf64_Half e_shnum; /* Section header table entry count */ Elf64_Half e_shstrndx; /* Section header string table index */ } Elf64_Ehdr; /* Fields in the e_ident array. The EI_* macros are indices into the array. The macros under each EI_* macro are the values the byte may have. */ #define EI_MAG0 0 /* File identification byte 0 index */ #define ELFMAG0 0x7f /* Magic number byte 0 */ #define EI_MAG1 1 /* File identification byte 1 index */ #define ELFMAG1 'E' /* Magic number byte 1 */ #define EI_MAG2 2 /* File identification byte 2 index */ #define ELFMAG2 'L' /* Magic number byte 2 */ #define EI_MAG3 3 /* File identification byte 3 index */ #define ELFMAG3 'F' /* Magic number byte 3 */ /* Conglomeration of the identification bytes, for easy testing as a word. */ #define ELFMAG "\177ELF" #define SELFMAG 4 #define EI_CLASS 4 /* File class byte index */ #define ELFCLASSNONE 0 /* Invalid class */ #define ELFCLASS32 1 /* 32-bit objects */ #define ELFCLASS64 2 /* 64-bit objects */ #define ELFCLASSNUM 3 #define EI_DATA 5 /* Data encoding byte index */ #define ELFDATANONE 0 /* Invalid data encoding */ #define ELFDATA2LSB 1 /* 2's complement, little endian */ #define ELFDATA2MSB 2 /* 2's complement, big endian */ #define ELFDATANUM 3 #define EI_VERSION 6 /* File version byte index */ /* Value must be EV_CURRENT */ #define EI_OSABI 7 /* OS ABI identification */ #define ELFOSABI_NONE 0 /* UNIX System V ABI */ #define ELFOSABI_SYSV 0 /* Alias. */ #define ELFOSABI_HPUX 1 /* HP-UX */ #define ELFOSABI_NETBSD 2 /* NetBSD. */ #define ELFOSABI_GNU 3 /* Object uses GNU ELF extensions. */ #define ELFOSABI_LINUX ELFOSABI_GNU /* Compatibility alias. */ #define ELFOSABI_SOLARIS 6 /* Sun Solaris. */ #define ELFOSABI_AIX 7 /* IBM AIX. */ #define ELFOSABI_IRIX 8 /* SGI Irix. */ #define ELFOSABI_FREEBSD 9 /* FreeBSD. */ #define ELFOSABI_TRU64 10 /* Compaq TRU64 UNIX. */ #define ELFOSABI_MODESTO 11 /* Novell Modesto. */ #define ELFOSABI_OPENBSD 12 /* OpenBSD. */ #define ELFOSABI_OPENVMS 13 #define ELFOSABI_NSK 14 /* Hewlett-Packard Non-Stop Kernel. */ #define ELFOSABI_AROS 15 /* Amiga Research OS. */ #define ELFOSABI_FENIXOS 16 /* FenixOS. */ #define ELFOSABI_ARM_AEABI 64 /* ARM EABI. */ #define ELFOSABI_C6000_LINUX 65 /* Linux TMS320C6000. */ #define ELFOSABI_ARM 97 /* ARM */ #define ELFOSABI_STANDALONE 255 /* Standalone (embedded) application */ #define EI_ABIVERSION 8 /* ABI version */ #define EI_PAD 9 /* Byte index of padding bytes */ /* Legal values for e_type (object file 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_NUM 5 /* Number of defined types */ #define ET_LOOS 0xfe00 /* OS-specific range start */ #define ET_HIOS 0xfeff /* OS-specific range end */ #define ET_LOPROC 0xff00 /* Processor-specific range start */ #define ET_HIPROC 0xffff /* Processor-specific range end */ /* Legal values for e_machine (architecture). */ #define EM_NONE 0 /* No machine */ #define EM_M32 1 /* AT&T WE 32100 */ #define EM_SPARC 2 /* SUN SPARC */ #define EM_386 3 /* Intel 80386 */ #define EM_68K 4 /* Motorola m68k family */ #define EM_88K 5 /* Motorola m88k family */ #define EM_860 7 /* Intel 80860 */ #define EM_MIPS 8 /* MIPS R3000 big-endian */ #define EM_S370 9 /* IBM System/370 */ #define EM_MIPS_RS3_LE 10 /* MIPS R3000 little-endian */ #define EM_PARISC 15 /* HPPA */ #define EM_VPP500 17 /* Fujitsu VPP500 */ #define EM_SPARC32PLUS 18 /* Sun's "v8plus" */ #define EM_960 19 /* Intel 80960 */ #define EM_PPC 20 /* PowerPC */ #define EM_PPC64 21 /* PowerPC 64-bit */ #define EM_S390 22 /* IBM S390 */ #define EM_V800 36 /* NEC V800 series */ #define EM_FR20 37 /* Fujitsu FR20 */ #define EM_RH32 38 /* TRW RH-32 */ #define EM_RCE 39 /* Motorola RCE */ #define EM_ARM 40 /* ARM */ #define EM_FAKE_ALPHA 41 /* Digital Alpha */ #define EM_SH 42 /* Hitachi SH */ #define EM_SPARCV9 43 /* SPARC v9 64-bit */ #define EM_TRICORE 44 /* Siemens Tricore */ #define EM_ARC 45 /* Argonaut RISC Core */ #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 Merced */ #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 */ #define EM_NDR1 57 /* Denso NDR1 microprocessor */ #define EM_STARCORE 58 /* Motorola Start*Core processor */ #define EM_ME16 59 /* Toyota ME16 processor */ #define EM_ST100 60 /* STMicroelectronic ST100 processor */ #define EM_TINYJ 61 /* Advanced Logic Corp. Tinyj emb.fam*/ #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 mc */ #define EM_ST7 68 /* STMicroelectronics ST7 8 bit mc */ #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 mc */ #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_AARCH64 183 /* ARM AARCH64 */ #define EM_TILEPRO 188 /* Tilera TILEPro */ #define EM_TILEGX 191 /* Tilera TILE-Gx */ #define EM_RISCV 243 /* RISC-V */ #define EM_NUM 253 /* If it is necessary to assign new unofficial EM_* values, please pick large random numbers (0x8523, 0xa7f2, etc.) to minimize the chances of collision with official or non-GNU unofficial values. */ #define EM_ALPHA 0x9026 #define EM_C60 0x9c60 /* Legal values for e_version (version). */ #define EV_NONE 0 /* Invalid ELF version */ #define EV_CURRENT 1 /* Current version */ #define EV_NUM 2 /* Section header. */ typedef struct { Elf32_Word sh_name; /* Section name (string tbl index) */ Elf32_Word sh_type; /* Section type */ Elf32_Word sh_flags; /* Section flags */ Elf32_Addr sh_addr; /* Section virtual addr at execution */ Elf32_Off sh_offset; /* Section file offset */ Elf32_Word sh_size; /* Section size in bytes */ Elf32_Word sh_link; /* Link to another section */ Elf32_Word sh_info; /* Additional section information */ Elf32_Word sh_addralign; /* Section alignment */ Elf32_Word sh_entsize; /* Entry size if section holds table */ } Elf32_Shdr; typedef struct { Elf64_Word sh_name; /* Section name (string tbl index) */ Elf64_Word sh_type; /* Section type */ Elf64_Xword sh_flags; /* Section flags */ Elf64_Addr sh_addr; /* Section virtual addr at execution */ Elf64_Off sh_offset; /* Section file offset */ Elf64_Xword sh_size; /* Section size in bytes */ Elf64_Word sh_link; /* Link to another section */ Elf64_Word sh_info; /* Additional section information */ Elf64_Xword sh_addralign; /* Section alignment */ Elf64_Xword sh_entsize; /* Entry size if section holds table */ } Elf64_Shdr; /* Special section indices. */ #define SHN_UNDEF 0 /* Undefined section */ #define SHN_LORESERVE 0xff00 /* Start of reserved indices */ #define SHN_LOPROC 0xff00 /* Start of processor-specific */ #define SHN_BEFORE 0xff00 /* Order section before all others (Solaris). */ #define SHN_AFTER 0xff01 /* Order section after all others (Solaris). */ #define SHN_HIPROC 0xff1f /* End of processor-specific */ #define SHN_LOOS 0xff20 /* Start of OS-specific */ #define SHN_HIOS 0xff3f /* End of OS-specific */ #define SHN_ABS 0xfff1 /* Associated symbol is absolute */ #define SHN_COMMON 0xfff2 /* Associated symbol is common */ #define SHN_XINDEX 0xffff /* Index is in extra table. */ #define SHN_HIRESERVE 0xffff /* End of reserved indices */ /* Legal values for sh_type (section type). */ #define SHT_NULL 0 /* Section header table entry unused */ #define SHT_PROGBITS 1 /* Program data */ #define SHT_SYMTAB 2 /* Symbol table */ #define SHT_STRTAB 3 /* String table */ #define SHT_RELA 4 /* Relocation entries with addends */ #define SHT_HASH 5 /* Symbol hash table */ #define SHT_DYNAMIC 6 /* Dynamic linking information */ #define SHT_NOTE 7 /* Notes */ #define SHT_NOBITS 8 /* Program space with no data (bss) */ #define SHT_REL 9 /* Relocation entries, no addends */ #define SHT_SHLIB 10 /* Reserved */ #define SHT_DYNSYM 11 /* Dynamic linker symbol table */ #define SHT_INIT_ARRAY 14 /* Array of constructors */ #define SHT_FINI_ARRAY 15 /* Array of destructors */ #define SHT_PREINIT_ARRAY 16 /* Array of pre-constructors */ #define SHT_GROUP 17 /* Section group */ #define SHT_SYMTAB_SHNDX 18 /* Extended section indices */ #define SHT_NUM 19 /* Number of defined types. */ #define SHT_LOOS 0x60000000 /* Start OS-specific. */ #define SHT_GNU_ATTRIBUTES 0x6ffffff5 /* Object attributes. */ #define SHT_GNU_HASH 0x6ffffff6 /* GNU-style hash table. */ #define SHT_GNU_LIBLIST 0x6ffffff7 /* Prelink library list */ #define SHT_CHECKSUM 0x6ffffff8 /* Checksum for DSO content. */ #define SHT_LOSUNW 0x6ffffffa /* Sun-specific low bound. */ #define SHT_SUNW_move 0x6ffffffa #define SHT_SUNW_COMDAT 0x6ffffffb #define SHT_SUNW_syminfo 0x6ffffffc #define SHT_GNU_verdef 0x6ffffffd /* Version definition section. */ #define SHT_GNU_verneed 0x6ffffffe /* Version needs section. */ #define SHT_GNU_versym 0x6fffffff /* Version symbol table. */ #define SHT_HISUNW 0x6fffffff /* Sun-specific high bound. */ #define SHT_HIOS 0x6fffffff /* End OS-specific type */ #define SHT_LOPROC 0x70000000 /* Start of processor-specific */ #define SHT_HIPROC 0x7fffffff /* End of processor-specific */ #define SHT_LOUSER 0x80000000 /* Start of application-specific */ #define SHT_HIUSER 0x8fffffff /* End of application-specific */ /* Legal values for sh_flags (section flags). */ #define SHF_WRITE (1 << 0) /* Writable */ #define SHF_ALLOC (1 << 1) /* Occupies memory during execution */ #define SHF_EXECINSTR (1 << 2) /* Executable */ #define SHF_MERGE (1 << 4) /* Might be merged */ #define SHF_STRINGS (1 << 5) /* Contains nul-terminated strings */ #define SHF_INFO_LINK (1 << 6) /* `sh_info' contains SHT index */ #define SHF_LINK_ORDER (1 << 7) /* Preserve order after combining */ #define SHF_OS_NONCONFORMING (1 << 8) /* Non-standard OS specific handling required */ #define SHF_GROUP (1 << 9) /* Section is member of a group. */ #define SHF_TLS (1 << 10) /* Section hold thread-local data. */ #define SHF_COMPRESSED (1 << 11) /* Section with compressed data. */ #define SHF_MASKOS 0x0ff00000 /* OS-specific. */ #define SHF_MASKPROC 0xf0000000 /* Processor-specific */ #define SHF_ORDERED (1 << 30) /* Special ordering requirement (Solaris). */ #define SHF_EXCLUDE (1U << 31) /* Section is excluded unless referenced or allocated (Solaris).*/ /* Section group handling. */ #define GRP_COMDAT 0x1 /* Mark group as COMDAT. */ /* Symbol table entry. */ typedef struct { Elf32_Word st_name; /* Symbol name (string tbl index) */ Elf32_Addr st_value; /* Symbol value */ Elf32_Word st_size; /* Symbol size */ unsigned char st_info; /* Symbol type and binding */ unsigned char st_other; /* Symbol visibility */ Elf32_Section st_shndx; /* Section index */ } Elf32_Sym; typedef struct { Elf64_Word st_name; /* Symbol name (string tbl index) */ unsigned char st_info; /* Symbol type and binding */ unsigned char st_other; /* Symbol visibility */ Elf64_Section st_shndx; /* Section index */ Elf64_Addr st_value; /* Symbol value */ Elf64_Xword st_size; /* Symbol size */ } Elf64_Sym; /* The syminfo section if available contains additional information about every dynamic symbol. */ typedef struct { Elf32_Half si_boundto; /* Direct bindings, symbol bound to */ Elf32_Half si_flags; /* Per symbol flags */ } Elf32_Syminfo; typedef struct { Elf64_Half si_boundto; /* Direct bindings, symbol bound to */ Elf64_Half si_flags; /* Per symbol flags */ } Elf64_Syminfo; /* Possible values for si_boundto. */ #define SYMINFO_BT_SELF 0xffff /* Symbol bound to self */ #define SYMINFO_BT_PARENT 0xfffe /* Symbol bound to parent */ #define SYMINFO_BT_LOWRESERVE 0xff00 /* Beginning of reserved entries */ /* Possible bitmasks for si_flags. */ #define SYMINFO_FLG_DIRECT 0x0001 /* Direct bound symbol */ #define SYMINFO_FLG_PASSTHRU 0x0002 /* Pass-thru symbol for translator */ #define SYMINFO_FLG_COPY 0x0004 /* Symbol is a copy-reloc */ #define SYMINFO_FLG_LAZYLOAD 0x0008 /* Symbol bound to object to be lazy loaded */ /* Syminfo version values. */ #define SYMINFO_NONE 0 #define SYMINFO_CURRENT 1 #define SYMINFO_NUM 2 /* How to extract and insert information held in the st_info field. */ #define ELF32_ST_BIND(val) (((unsigned char) (val)) >> 4) #define ELF32_ST_TYPE(val) ((val) & 0xf) #define ELF32_ST_INFO(bind, type) (((bind) << 4) + ((type) & 0xf)) /* Both Elf32_Sym and Elf64_Sym use the same one-byte st_info field. */ #define ELF64_ST_BIND(val) ELF32_ST_BIND (val) #define ELF64_ST_TYPE(val) ELF32_ST_TYPE (val) #define ELF64_ST_INFO(bind, type) ELF32_ST_INFO ((bind), (type)) /* Legal values for ST_BIND subfield of st_info (symbol binding). */ #define STB_LOCAL 0 /* Local symbol */ #define STB_GLOBAL 1 /* Global symbol */ #define STB_WEAK 2 /* Weak symbol */ #define STB_NUM 3 /* Number of defined types. */ #define STB_LOOS 10 /* Start of OS-specific */ #define STB_GNU_UNIQUE 10 /* Unique symbol. */ #define STB_HIOS 12 /* End of OS-specific */ #define STB_LOPROC 13 /* Start of processor-specific */ #define STB_HIPROC 15 /* End of processor-specific */ /* Legal values for ST_TYPE subfield of st_info (symbol type). */ #define STT_NOTYPE 0 /* Symbol type is unspecified */ #define STT_OBJECT 1 /* Symbol is a data object */ #define STT_FUNC 2 /* Symbol is a code object */ #define STT_SECTION 3 /* Symbol associated with a section */ #define STT_FILE 4 /* Symbol's name is file name */ #define STT_COMMON 5 /* Symbol is a common data object */ #define STT_TLS 6 /* Symbol is thread-local data object*/ #define STT_NUM 7 /* Number of defined types. */ #define STT_LOOS 10 /* Start of OS-specific */ #define STT_GNU_IFUNC 10 /* Symbol is indirect code object */ #define STT_HIOS 12 /* End of OS-specific */ #define STT_LOPROC 13 /* Start of processor-specific */ #define STT_HIPROC 15 /* End of processor-specific */ /* Symbol table indices are found in the hash buckets and chain table of a symbol hash table section. This special index value indicates the end of a chain, meaning no further symbols are found in that bucket. */ #define STN_UNDEF 0 /* End of a chain. */ /* How to extract and insert information held in the st_other field. */ #define ELF32_ST_VISIBILITY(o) ((o) & 0x03)