sdk: Add ELF file interface

Signed-off-by: Chloe M <chloe@mensia.org>
This commit is contained in:
2026-07-14 22:12:16 -04:00
parent 4c3ca7c376
commit 705d8caef2
+544
View File
@@ -0,0 +1,544 @@
/*
* Copyright (c) 2026, Chloe M.
* Provided under the BSD-3 clause.
*
* Description: ELF interface header
* Author: Chloe M.
*/
#ifndef _SYS_ELF_H_
#define _SYS_ELF_H_
#include <ptdef.h>
/* Type for a 16-bit quantity. */
typedef USHORT Elf32_Half;
typedef USHORT Elf64_Half;
/* Types for signed and unsigned 32-bit quantities. */
typedef ULONG Elf32_Word;
typedef LONG Elf32_Sword;
typedef ULONG Elf64_Word;
typedef LONG Elf64_Sword;
/* Types for signed and unsigned 64-bit quantities. */
typedef UQUAD Elf32_Xword;
typedef QUAD Elf32_Sxword;
typedef UQUAD Elf64_Xword;
typedef QUAD Elf64_Sxword;
/* Type of addresses. */
typedef ULONG Elf32_Addr;
typedef UQUAD Elf64_Addr;
/* Type of file offsets. */
typedef ULONG Elf32_Off;
typedef UQUAD Elf64_Off;
/* Type for section indices, which are 16-bit quantities. */
typedef USHORT Elf32_Section;
typedef USHORT Elf64_Section;
/* Type for version symbol information. */
typedef Elf32_Half Elf32_Versym;
typedef Elf64_Half Elf64_Versym;
#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_NUM 248
/* 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
#define EI_NIDENT (16)
#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_VMCOREDD 0x700 /* Vmcore Device Dump Note. */
/* Legal values for the note segment descriptor types for object files. */
#define NT_VERSION 1 /* Contains a version string. */
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;
typedef struct
{
Elf64_Word p_type; /* Segment type */
Elf64_Word p_flags; /* Segment flags */
Elf64_Off p_offset; /* Segment file offset */
Elf64_Addr p_vaddr; /* Segment virtual address */
Elf64_Addr p_paddr; /* Segment physical address */
Elf64_Xword p_filesz; /* Segment size in file */
Elf64_Xword p_memsz; /* Segment size in memory */
Elf64_Xword p_align; /* Segment alignment */
} Elf64_Phdr;
typedef struct {
Elf64_Addr r_offset; /* Location at which to apply the action */
Elf64_Xword r_info; /* index and type of relocation */
} Elf64_Rel;
typedef struct {
Elf64_Word sh_name; /* Section name, index in string tbl */
Elf64_Word sh_type; /* Type of section */
Elf64_Xword sh_flags; /* Miscellaneous section attributes */
Elf64_Addr sh_addr; /* Section virtual addr at execution */
Elf64_Off sh_offset; /* Section file offset */
Elf64_Xword sh_size; /* Size of section in bytes */
Elf64_Word sh_link; /* Index of 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 indeces */
#define SHT_NUM 19 /* Number of defined types. */
#define SHT_LOOS 0x60000000 /* Start OS-specific. */
#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_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 */
#endif /* _SYS_ELF_H_ */