#ifndef _ELF_H #define _ELF_H 1 /* Standard ELF types. */ #include /* Type for a 16-bit quantity. */ typedef uint16_t Elf32_Half; /* Types for signed and unsigned 32-bit quantities. */ typedef uint32_t Elf32_Word; typedef int32_t Elf32_Sword; /* Type of addresses. */ typedef uint32_t Elf32_Addr; /* Type of file offsets. */ typedef uint32_t Elf32_Off; /* Type for section indices, which are 16-bit quantities. */ typedef uint16_t Elf32_Section; /* Type for version symbol information. */ typedef Elf32_Half Elf32_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; /* ** 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_ARM_AEABI 64 /* ARM EABI */ #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_IAMCU 6 /* Intel MCU */ #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 */ /* reserved 11-14 */ #define EM_PARISC 15 /* HPPA */ /* reserved 16 */ #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_SPU 23 /* IBM SPU/SPC */ /* reserved 24-35 */ #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 embeeded 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_PDP10 64 /* Digital PDP-10 */ #define EM_PDP11 65 /* Digital PDP-11 */ #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 emb.proc */ #define EM_JAVELIN 77 /* Infineon Technologies 32-bit emb.proc */ #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 proc */ #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_COMPACT 93 /* ARC International ARCompact */ #define EM_XTENSA 94 /* Tensilica Xtensa Architecture */ #define EM_VIDEOCORE 95 /* Alphamosaic VideoCore */ #define EM_TMM_GPP 96 /* Thompson Multimedia General Purpose Proc */ #define EM_NS32K 97 /* National Semi. 32000 */ #define EM_TPC 98 /* Tenor Network TPC */ #define EM_SNP1K 99 /* Trebia SNP 1000 */ #define EM_ST200 100 /* STMicroelectronics ST200 */ #define EM_IP2K 101 /* Ubicom IP2xxx */ #define EM_MAX 102 /* MAX processor */ #define EM_CR 103 /* National Semi. CompactRISC */ #define EM_F2MC16 104 /* Fujitsu F2MC16 */ #define EM_MSP430 105 /* Texas Instruments msp430 */ #define EM_BLACKFIN 106 /* Analog Devices Blackfin DSP */ #define EM_SE_C33 107 /* Seiko Epson S1C33 family */ #define EM_SEP 108 /* Sharp embedded microprocessor */ #define EM_ARCA 109 /* Arca RISC */ #define EM_UNICORE 110 /* PKU-Unity & MPRC Peking Uni. mc series */ #define EM_EXCESS 111 /* eXcess configurable cpu */ #define EM_DXP 112 /* Icera Semi. Deep Execution Processor */ #define EM_ALTERA_NIOS2 113 /* Altera Nios II */ #define EM_CRX 114 /* National Semi. CompactRISC CRX */ #define EM_XGATE 115 /* Motorola XGATE */ #define EM_C166 116 /* Infineon C16x/XC16x */ #define EM_M16C 117 /* Renesas M16C */ #define EM_DSPIC30F 118 /* Microchip Technology dsPIC30F */ #define EM_CE 119 /* Freescale Communication Engine RISC */ #define EM_M32C 120 /* Renesas M32C */ /* reserved 121-130 */ #define EM_TSK3000 131 /* Altium TSK3000 */ #define EM_RS08 132 /* Freescale RS08 */ #define EM_SHARC 133 /* Analog Devices SHARC family */ #define EM_ECOG2 134 /* Cyan Technology eCOG2 */ #define EM_SCORE7 135 /* Sunplus S+core7 RISC */ #define EM_DSP24 136 /* New Japan Radio (NJR) 24-bit DSP */ #define EM_VIDEOCORE3 137 /* Broadcom VideoCore III */ #define EM_LATTICEMICO32 138 /* RISC for Lattice FPGA */ #define EM_SE_C17 139 /* Seiko Epson C17 */ #define EM_TI_C6000 140 /* Texas Instruments TMS320C6000 DSP */ #define EM_TI_C2000 141 /* Texas Instruments TMS320C2000 DSP */ #define EM_TI_C5500 142 /* Texas Instruments TMS320C55x DSP */ #define EM_TI_ARP32 143 /* Texas Instruments App. Specific RISC */ #define EM_TI_PRU 144 /* Texas Instruments Prog. Realtime Unit */ /* reserved 145-159 */ #define EM_MMDSP_PLUS 160 /* STMicroelectronics 64bit VLIW DSP */ #define EM_CYPRESS_M8C 161 /* Cypress M8C */ #define EM_R32C 162 /* Renesas R32C */ #define EM_TRIMEDIA 163 /* NXP Semi. TriMedia */ #define EM_QDSP6 164 /* QUALCOMM DSP6 */ #define EM_8051 165 /* Intel 8051 and variants */ #define EM_STXP7X 166 /* STMicroelectronics STxP7x */ #define EM_NDS32 167 /* Andes Tech. compact code emb. RISC */ #define EM_ECOG1X 168 /* Cyan Technology eCOG1X */ #define EM_MAXQ30 169 /* Dallas Semi. MAXQ30 mc */ #define EM_XIMO16 170 /* New Japan Radio (NJR) 16-bit DSP */ #define EM_MANIK 171 /* M2000 Reconfigurable RISC */ #define EM_CRAYNV2 172 /* Cray NV2 vector architecture */ #define EM_RX 173 /* Renesas RX */ #define EM_METAG 174 /* Imagination Tech. META */ #define EM_MCST_ELBRUS 175 /* MCST Elbrus */ #define EM_ECOG16 176 /* Cyan Technology eCOG16 */ #define EM_CR16 177 /* National Semi. CompactRISC CR16 */ #define EM_ETPU 178 /* Freescale Extended Time Processing Unit */ #define EM_SLE9X 179 /* Infineon Tech. SLE9X */ #define EM_L10M 180 /* Intel L10M */ #define EM_K10M 181 /* Intel K10M */ /* reserved 182 */ #define EM_AARCH64 183 /* ARM AARCH64 */ /* reserved 184 */ #define EM_AVR32 185 /* Amtel 32-bit microprocessor */ #define EM_STM8 186 /* STMicroelectronics STM8 */ #define EM_TILE64 187 /* Tileta TILE64 */ #define EM_TILEPRO 188 /* Tilera TILEPro */ #define EM_MICROBLAZE 189 /* Xilinx MicroBlaze */ #define EM_CUDA 190 /* NVIDIA CUDA */ #define EM_TILEGX 191 /* Tilera TILE-Gx */ #define EM_CLOUDSHIELD 192 /* CloudShield */ #define EM_COREA_1ST 193 /* KIPO-KAIST Core-A 1st gen. */ #define EM_COREA_2ND 194 /* KIPO-KAIST Core-A 2nd gen. */ #define EM_ARC_COMPACT2 195 /* Synopsys ARCompact V2 */ #define EM_OPEN8 196 /* Open8 RISC */ #define EM_RL78 197 /* Renesas RL78 */ #define EM_VIDEOCORE5 198 /* Broadcom VideoCore V */ #define EM_78KOR 199 /* Renesas 78KOR */ #define EM_56800EX 200 /* Freescale 56800EX DSC */ #define EM_BA1 201 /* Beyond BA1 */ #define EM_BA2 202 /* Beyond BA2 */ #define EM_XCORE 203 /* XMOS xCORE */ #define EM_MCHP_PIC 204 /* Microchip 8-bit PIC(r) */ /* reserved 205-209 */ #define EM_KM32 210 /* KM211 KM32 */ #define EM_KMX32 211 /* KM211 KMX32 */ #define EM_EMX16 212 /* KM211 KMX16 */ #define EM_EMX8 213 /* KM211 KMX8 */ #define EM_KVARC 214 /* KM211 KVARC */ #define EM_CDP 215 /* Paneve CDP */ #define EM_COGE 216 /* Cognitive Smart Memory Processor */ #define EM_COOL 217 /* Bluechip CoolEngine */ #define EM_NORC 218 /* Nanoradio Optimized RISC */ #define EM_CSR_KALIMBA 219 /* CSR Kalimba */ #define EM_Z80 220 /* Zilog Z80 */ #define EM_VISIUM 221 /* Controls and Data Services VISIUMcore */ #define EM_FT32 222 /* FTDI Chip FT32 */ #define EM_MOXIE 223 /* Moxie processor */ #define EM_AMDGPU 224 /* AMD GPU */ /* reserved 225-242 */ #define EM_RISCV 243 /* RISC-V */ #define EM_BPF 247 /* Linux BPF -- in-kernel virtual machine */ #define EM_CSKY 252 /* C-SKY */ #define EM_NUM 253 /* Old spellings/synonyms. */ #define EM_ARC_A5 EM_ARC_COMPACT /* 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 /* 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; /* 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 indeces */ #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).*/ /* 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; /* ** 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; /* 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)) /* 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) /* Symbol visibility specification encoded in the st_other field. */ #define STV_DEFAULT 0 /* Default symbol visibility rules */ #define STV_INTERNAL 1 /* Processor specific hidden class */ #define STV_HIDDEN 2 /* Sym unavailable in other modules */ #define STV_PROTECTED 3 /* Not preemptible, not exported */ /* Relocation table entry without addend (in section of type SHT_REL). */ typedef struct { Elf32_Addr r_offset; /* Address */ Elf32_Word r_info; /* Relocation type and symbol index */ } Elf32_Rel; /* Relocation table entry with addend (in section of type SHT_RELA). */ typedef struct { Elf32_Addr r_offset; /* Address */ Elf32_Word r_info; /* Relocation type and symbol index */ Elf32_Sword r_addend; /* Addend */ } Elf32_Rela; /* How to extract and insert information held in the r_info field. */ #define ELF32_R_SYM(val) ((val) >> 8) #define ELF32_R_TYPE(val) ((val) & 0xff) #define ELF32_R_INFO(sym, type) (((sym) << 8) + ((type) & 0xff)) /* Program segment header. */ typedef struct { Elf32_Word p_type; /* Segment type */ Elf32_Off p_offset; /* Segment file offset */ Elf32_Addr p_vaddr; /* Segment virtual address */ Elf32_Addr p_paddr; /* Segment physical address */ Elf32_Word p_filesz; /* Segment size in file */ Elf32_Word p_memsz; /* Segment size in memory */ Elf32_Word p_flags; /* Segment flags */ Elf32_Word p_align; /* Segment alignment */ } Elf32_Phdr; /* ** Special value for e_phnum. This indicates that the real number of ** program headers is too large to fit into e_phnum. Instead the real ** value is in the field sh_info of section 0. */ #define PN_XNUM 0xffff /* Legal values for p_type (segment type). */ #define PT_NULL 0 /* Program header table entry unused */ #define PT_LOAD 1 /* Loadable program segment */ #define PT_DYNAMIC 2 /* Dynamic linking information */ #define PT_INTERP 3 /* Program interpreter */ #define PT_NOTE 4 /* Auxiliary information */ #define PT_SHLIB 5 /* Reserved */ #define PT_PHDR 6 /* Entry for header table itself */ #define PT_TLS 7 /* Thread-local storage segment */ #define PT_NUM 8 /* Number of defined types */ #define PT_LOOS 0x60000000 /* Start of OS-specific */ #define PT_GNU_EH_FRAME 0x6474e550 /* GCC .eh_frame_hdr segment */ #define PT_GNU_STACK 0x6474e551 /* Indicates stack executability */ #define PT_GNU_RELRO 0x6474e552 /* Read-only after relocation */ #define PT_LOSUNW 0x6ffffffa #define PT_SUNWBSS 0x6ffffffa /* Sun Specific segment */ #define PT_SUNWSTACK 0x6ffffffb /* Stack segment */ #define PT_HISUNW 0x6fffffff #define PT_HIOS 0x6fffffff /* End of OS-specific */ #define PT_LOPROC 0x70000000 /* Start of processor-specific */ #define PT_HIPROC 0x7fffffff /* End of processor-specific */ /* Legal values for p_flags (segment flags). */ #define PF_X (1 << 0) /* Segment is executable */ #define PF_W (1 << 1) /* Segment is writable */ #define PF_R (1 << 2) /* Segment is readable */ #define PF_MASKOS 0x0ff00000 /* OS-specific */ #define PF_MASKPROC 0xf0000000 /* Processor-specific */ /* Legal values for note segment descriptor types for core files. */ #define NT_PRSTATUS 1 /* Contains copy of prstatus struct */ #define NT_PRFPREG 2 /* Contains copy of fpregset struct. */ #define NT_FPREGSET 2 /* Contains copy of fpregset struct */ #define NT_PRPSINFO 3 /* Contains copy of prpsinfo struct */ #define NT_PRXREG 4 /* Contains copy of prxregset struct */ #define NT_TASKSTRUCT 4 /* Contains copy of task structure */ #define NT_PLATFORM 5 /* String from sysinfo(SI_PLATFORM) */ #define NT_AUXV 6 /* Contains copy of auxv array */ #define NT_GWINDOWS 7 /* Contains copy of gwindows struct */ #define NT_ASRS 8 /* Contains copy of asrset struct */ #define NT_PSTATUS 10 /* Contains copy of pstatus struct */ #define NT_PSINFO 13 /* Contains copy of psinfo struct */ #define NT_PRCRED 14 /* Contains copy of prcred struct */ #define NT_UTSNAME 15 /* Contains copy of utsname struct */ #define NT_LWPSTATUS 16 /* Contains copy of lwpstatus struct */ #define NT_LWPSINFO 17 /* Contains copy of lwpinfo struct */ #define NT_PRFPXREG 20 /* Contains copy of fprxregset struct */ #define NT_SIGINFO 0x53494749 /* Contains copy of siginfo_t, size might increase */ #define NT_FILE 0x46494c45 /* Contains information about mapped files */ #define NT_PRXFPREG 0x46e62b7f /* Contains copy of user_fxsr_struct */ #define NT_PPC_VMX 0x100 /* PowerPC Altivec/VMX registers */ #define NT_PPC_SPE 0x101 /* PowerPC SPE/EVR registers */ #define NT_PPC_VSX 0x102 /* PowerPC VSX registers */ #define NT_PPC_TAR 0x103 /* Target Address Register */ #define NT_PPC_PPR 0x104 /* Program Priority Register */ #define NT_PPC_DSCR 0x105 /* Data Stream Control Register */ #define NT_PPC_EBB 0x106 /* Event Based Branch Registers */ #define NT_PPC_PMU 0x107 /* Performance Monitor Registers */ #define NT_PPC_TM_CGPR 0x108 /* TM checkpointed GPR Registers */ #define NT_PPC_TM_CFPR 0x109 /* TM checkpointed FPR Registers */ #define NT_PPC_TM_CVMX 0x10a /* TM checkpointed VMX Registers */ #define NT_PPC_TM_CVSX 0x10b /* TM checkpointed VSX Registers */ #define NT_PPC_TM_SPR 0x10c /* TM Special Purpose Registers */ #define NT_PPC_TM_CTAR 0x10d /* TM checkpointed Target Address Register */ #define NT_PPC_TM_CPPR 0x10e /* TM checkpointed Program Priority Register */ #define NT_PPC_TM_CDSCR 0x10f /* TM checkpointed Data Stream Control Register */ #define NT_PPC_PKEY 0x110 /* Memory Protection Keys registers. */ #define NT_386_TLS 0x200 /* i386 TLS slots (struct user_desc) */ #define NT_386_IOPERM 0x201 /* x86 io permission bitmap (1=deny) */ #define NT_X86_XSTATE 0x202 /* x86 extended state using xsave */ #define NT_S390_HIGH_GPRS 0x300 /* s390 upper register halves */ #define NT_S390_TIMER 0x301 /* s390 timer register */ #define NT_S390_TODCMP 0x302 /* s390 TOD clock comparator register */ #define NT_S390_TODPREG 0x303 /* s390 TOD programmable register */ #define NT_S390_CTRS 0x304 /* s390 control registers */ #define NT_S390_PREFIX 0x305 /* s390 prefix register */ #define NT_S390_LAST_BREAK 0x306 /* s390 breaking event address */ #define NT_S390_SYSTEM_CALL 0x307 /* s390 system call restart data */ #define NT_S390_TDB 0x308 /* s390 transaction diagnostic block */ #define NT_S390_VXRS_LOW 0x309 /* s390 vector registers 0-15 upper half. */ #define NT_S390_VXRS_HIGH 0x30a /* s390 vector registers 16-31. */ #define NT_S390_GS_CB 0x30b /* s390 guarded storage registers. */ #define NT_S390_GS_BC 0x30c /* s390 guarded storage broadcast control block. */ #define NT_S390_RI_CB 0x30d /* s390 runtime instrumentation. */ #define NT_ARM_VFP 0x400 /* ARM VFP/NEON registers */ #define NT_ARM_TLS 0x401 /* ARM TLS register */ #define NT_ARM_HW_BREAK 0x402 /* ARM hardware breakpoint registers */ #define NT_ARM_HW_WATCH 0x403 /* ARM hardware watchpoint registers */ #define NT_ARM_SYSTEM_CALL 0x404 /* ARM system call number */ #define NT_ARM_SVE 0x405 /* ARM Scalable Vector Extension registers */ #define NT_ARM_PAC_MASK 0x406 /* ARM pointer authentication code masks. */ #define NT_ARM_PACA_KEYS 0x407 /* ARM pointer authentication address keys. */ #define NT_ARM_PACG_KEYS 0x408 /* ARM pointer authentication generic key. */ #define NT_VMCOREDD 0x700 /* Vmcore Device Dump Note. */ #define NT_MIPS_DSP 0x800 /* MIPS DSP ASE registers. */ #define NT_MIPS_FP_MODE 0x801 /* MIPS floating-point mode. */ #define NT_MIPS_MSA 0x802 /* MIPS SIMD registers. */ /* Legal values for the note segment descriptor types for object files. */ #define NT_VERSION 1 /* Contains a version string. */ /* Dynamic section entry. */ typedef struct { Elf32_Sword d_tag; /* Dynamic entry type */ union { Elf32_Word d_val; /* Integer value */ Elf32_Addr d_ptr; /* Address value */ } d_un; } Elf32_Dyn; /* Legal values for d_tag (dynamic entry type). */ #define DT_NULL 0 /* Marks end of dynamic section */ #define DT_NEEDED 1 /* Name of needed library */ #define DT_PLTRELSZ 2 /* Size in bytes of PLT relocs */ #define DT_PLTGOT 3 /* Processor defined value */ #define DT_HASH 4 /* Address of symbol hash table */ #define DT_STRTAB 5 /* Address of string table */ #define DT_SYMTAB 6 /* Address of symbol table */ #define DT_RELA 7 /* Address of Rela relocs */ #define DT_RELASZ 8 /* Total size of Rela relocs */ #define DT_RELAENT 9 /* Size of one Rela reloc */ #define DT_STRSZ 10 /* Size of string table */ #define DT_SYMENT 11 /* Size of one symbol table entry */ #define DT_INIT 12 /* Address of init function */ #define DT_FINI 13 /* Address of termination function */ #define DT_SONAME 14 /* Name of shared object */ #define DT_RPATH 15 /* Library search path (deprecated) */ #define DT_SYMBOLIC 16 /* Start symbol search here */ #define DT_REL 17 /* Address of Rel relocs */ #define DT_RELSZ 18 /* Total size of Rel relocs */ #define DT_RELENT 19 /* Size of one Rel reloc */ #define DT_PLTREL 20 /* Type of reloc in PLT */ #define DT_DEBUG 21 /* For debugging; unspecified */ #define DT_TEXTREL 22 /* Reloc might modify .text */ #define DT_JMPREL 23 /* Address of PLT relocs */ #define DT_BIND_NOW 24 /* Process relocations of object */ #define DT_INIT_ARRAY 25 /* Array with addresses of init fct */ #define DT_FINI_ARRAY 26 /* Array with addresses of fini fct */ #define DT_INIT_ARRAYSZ 27 /* Size in bytes of DT_INIT_ARRAY */ #define DT_FINI_ARRAYSZ 28 /* Size in bytes of DT_FINI_ARRAY */ #define DT_RUNPATH 29 /* Library search path */ #define DT_FLAGS 30 /* Flags for the object being loaded */ #define DT_ENCODING 32 /* Start of encoded range */ #define DT_PREINIT_ARRAY 32 /* Array with addresses of preinit fct*/ #define DT_PREINIT_ARRAYSZ 33 /* size in bytes of DT_PREINIT_ARRAY */ #define DT_SYMTAB_SHNDX 34 /* Address of SYMTAB_SHNDX section */ #define DT_NUM 35 /* Number used */ #define DT_LOOS 0x6000000d /* Start of OS-specific */ #define DT_HIOS 0x6ffff000 /* End of OS-specific */ #define DT_LOPROC 0x70000000 /* Start of processor-specific */ #define DT_HIPROC 0x7fffffff /* End of processor-specific */ #define DT_PROCNUM DT_MIPS_NUM /* Most used by any processor */ /* ** DT_* entries which fall between DT_VALRNGHI & DT_VALRNGLO use the ** Dyn.d_un.d_val field of the Elf*_Dyn structure. This follows Sun's ** approach. */ #define DT_VALRNGLO 0x6ffffd00 #define DT_GNU_PRELINKED 0x6ffffdf5 /* Prelinking timestamp */ #define DT_GNU_CONFLICTSZ 0x6ffffdf6 /* Size of conflict section */ #define DT_GNU_LIBLISTSZ 0x6ffffdf7 /* Size of library list */ #define DT_CHECKSUM 0x6ffffdf8 #define DT_PLTPADSZ 0x6ffffdf9 #define DT_MOVEENT 0x6ffffdfa #define DT_MOVESZ 0x6ffffdfb #define DT_FEATURE_1 0x6ffffdfc /* Feature selection (DTF_*). */ #define DT_POSFLAG_1 0x6ffffdfd /* Flags for DT_* entries, effecting the following DT_* entry. */ #define DT_SYMINSZ 0x6ffffdfe /* Size of syminfo table (in bytes) */ #define DT_SYMINENT 0x6ffffdff /* Entry size of syminfo */ #define DT_VALRNGHI 0x6ffffdff #define DT_VALTAGIDX(tag) (DT_VALRNGHI - (tag)) /* Reverse order! */ #define DT_VALNUM 12 /* ** DT_* entries which fall between DT_ADDRRNGHI & DT_ADDRRNGLO use the ** Dyn.d_un.d_ptr field of the Elf*_Dyn structure. ** ** If any adjustment is made to the ELF object after it has been ** built these entries will need to be adjusted. */ #define DT_ADDRRNGLO 0x6ffffe00 #define DT_GNU_HASH 0x6ffffef5 /* GNU-style hash table. */ #define DT_TLSDESC_PLT 0x6ffffef6 #define DT_TLSDESC_GOT 0x6ffffef7 #define DT_GNU_CONFLICT 0x6ffffef8 /* Start of conflict section */ #define DT_GNU_LIBLIST 0x6ffffef9 /* Library list */ #define DT_CONFIG 0x6ffffefa /* Configuration information. */ #define DT_DEPAUDIT 0x6ffffefb /* Dependency auditing. */ #define DT_AUDIT 0x6ffffefc /* Object auditing. */ #define DT_PLTPAD 0x6ffffefd /* PLT padding. */ #define DT_MOVETAB 0x6ffffefe /* Move table. */ #define DT_SYMINFO 0x6ffffeff /* Syminfo table. */ #define DT_ADDRRNGHI 0x6ffffeff #define DT_ADDRTAGIDX(tag) (DT_ADDRRNGHI - (tag)) /* Reverse order! */ #define DT_ADDRNUM 11 /* ** The versioning entry types. The next are defined as part of the ** GNU extension. */ #define DT_VERSYM 0x6ffffff0 #define DT_RELACOUNT 0x6ffffff9 #define DT_RELCOUNT 0x6ffffffa /* These were chosen by Sun. */ #define DT_FLAGS_1 0x6ffffffb /* State flags, see DF_1_* below. */ #define DT_VERDEF 0x6ffffffc /* Address of version definition table */ #define DT_VERDEFNUM 0x6ffffffd /* Number of version definitions */ #define DT_VERNEED 0x6ffffffe /* Address of table with needed versions */ #define DT_VERNEEDNUM 0x6fffffff /* Number of needed versions */ #define DT_VERSIONTAGIDX(tag) (DT_VERNEEDNUM - (tag)) /* Reverse order! */ #define DT_VERSIONTAGNUM 16 /* ** Sun added these machine-independent extensions in the "processor-specific" ** range. Be compatible. */ #define DT_AUXILIARY 0x7ffffffd /* Shared object to load before self */ #define DT_FILTER 0x7fffffff /* Shared object to get values from */ #define DT_EXTRATAGIDX(tag) ((Elf32_Word)-((Elf32_Sword) (tag) <<1>>1)-1) #define DT_EXTRANUM 3 /* Values of `d_un.d_val' in the DT_FLAGS entry. */ #define DF_ORIGIN 0x00000001 /* Object may use DF_ORIGIN */ #define DF_SYMBOLIC 0x00000002 /* Symbol resolutions starts here */ #define DF_TEXTREL 0x00000004 /* Object contains text relocations */ #define DF_BIND_NOW 0x00000008 /* No lazy binding for this object */ #define DF_STATIC_TLS 0x00000010 /* Module uses the static TLS model */ /* ** State flags selectable in the `d_un.d_val' element of the DT_FLAGS_1 ** entry in the dynamic section. */ #define DF_1_NOW 0x00000001 /* Set RTLD_NOW for this object. */ #define DF_1_GLOBAL 0x00000002 /* Set RTLD_GLOBAL for this object. */ #define DF_1_GROUP 0x00000004 /* Set RTLD_GROUP for this object. */ #define DF_1_NODELETE 0x00000008 /* Set RTLD_NODELETE for this object.*/ #define DF_1_LOADFLTR 0x00000010 /* Trigger filtee loading at runtime.*/ #define DF_1_INITFIRST 0x00000020 /* Set RTLD_INITFIRST for this object*/ #define DF_1_NOOPEN 0x00000040 /* Set RTLD_NOOPEN for this object. */ #define DF_1_ORIGIN 0x00000080 /* $ORIGIN must be handled. */ #define DF_1_DIRECT 0x00000100 /* Direct binding enabled. */ #define DF_1_TRANS 0x00000200 #define DF_1_INTERPOSE 0x00000400 /* Object is used to interpose. */ #define DF_1_NODEFLIB 0x00000800 /* Ignore default lib search path. */ #define DF_1_NODUMP 0x00001000 /* Object can't be dldump'ed. */ #define DF_1_CONFALT 0x00002000 /* Configuration alternative created.*/ #define DF_1_ENDFILTEE 0x00004000 /* Filtee terminates filters search. */ #define DF_1_DISPRELDNE 0x00008000 /* Disp reloc applied at build time. */ #define DF_1_DISPRELPND 0x00010000 /* Disp reloc applied at run-time. */ #define DF_1_NODIRECT 0x00020000 /* Object has no-direct binding. */ #define DF_1_IGNMULDEF 0x00040000 #define DF_1_NOKSYMS 0x00080000 #define DF_1_NOHDR 0x00100000 #define DF_1_EDITED 0x00200000 /* Object is modified after built. */ #define DF_1_NORELOC 0x00400000 #define DF_1_SYMINTPOSE 0x00800000 /* Object has individual interposers. */ #define DF_1_GLOBAUDIT 0x01000000 /* Global auditing required. */ #define DF_1_SINGLETON 0x02000000 /* Singleton symbols are used. */ #define DF_1_STUB 0x04000000 #define DF_1_PIE 0x08000000 #define DF_1_KMOD 0x10000000 #define DF_1_WEAKFILTER 0x20000000 #define DF_1_NOCOMMON 0x40000000 /* Flags for the feature selection in DT_FEATURE_1. */ #define DTF_1_PARINIT 0x00000001 #define DTF_1_CONFEXP 0x00000002 /* Flags in the DT_POSFLAG_1 entry effecting only the next DT_* entry. */ #define DF_P1_LAZYLOAD 0x00000001 /* Lazyload following object. */ #define DF_P1_GROUPPERM 0x00000002 /* Symbols from next object are not generally available. */ #endif /* elf.h */