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elf.h
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elf.h
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/*
* SPDX-License-Identifier: BSD-2-Clause-FreeBSD
*
* Copyright (c) 2016-2022 Kean Johnston.
* Copyright (c) 2017 Dell EMC.
* Copyright (c) 2000, 2001, 2008, 2011, David E. O'Brien.
* Copyright (c) 1996-1998 John D. Polstra.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#ifndef _ELF_HDR_
#define _ELF_HDR_
#include <stdint.h>
/*
* ELF data types.
*/
typedef uint32_t Elf32_Addr;
typedef uint64_t Elf64_Addr;
typedef uint32_t Elf32_Off;
typedef uint64_t Elf64_Off;
typedef uint16_t Elf32_Half;
typedef uint16_t Elf64_Half;
typedef int32_t Elf32_Sword;
typedef int32_t Elf64_Sword;
typedef uint32_t Elf32_Word;
typedef uint32_t Elf64_Word;
typedef uint64_t Elf32_Lword;
typedef uint64_t Elf64_Lword;
typedef int64_t Elf64_Sxword;
typedef uint64_t Elf64_Xword;
typedef Elf32_Word Elf32_Hashelt;
typedef Elf64_Word Elf64_Hashelt;
/* Non-standard class-dependent datatype used for abstraction. */
typedef Elf32_Word Elf32_Size;
typedef Elf64_Xword Elf64_Size;
typedef Elf32_Sword Elf32_Ssize;
typedef Elf64_Sxword Elf64_Ssize;
/*
* ELF header.
*/
#define EI_NIDENT 16 /* Size of e_ident array. */
typedef struct {
unsigned char e_ident[EI_NIDENT]; /* File identification. */
Elf32_Half e_type; /* File type. */
Elf32_Half e_machine; /* Machine architecture. */
Elf32_Word e_version; /* ELF format version. */
Elf32_Addr e_entry; /* Entry point. */
Elf32_Off e_phoff; /* Program header file offset. */
Elf32_Off e_shoff; /* Section header file offset. */
Elf32_Word e_flags; /* Architecture-specific flags. */
Elf32_Half e_ehsize; /* Size of ELF header in bytes. */
Elf32_Half e_phentsize; /* Size of program header entry. */
Elf32_Half e_phnum; /* Number of program header entries. */
Elf32_Half e_shentsize; /* Size of section header entry. */
Elf32_Half e_shnum; /* Number of section header entries. */
Elf32_Half e_shstrndx; /* Section name strings section. */
} Elf32_Ehdr;
typedef struct {
unsigned char e_ident[EI_NIDENT]; /* File identification. */
Elf64_Half e_type; /* File type. */
Elf64_Half e_machine; /* Machine architecture. */
Elf64_Word e_version; /* ELF format version. */
Elf64_Addr e_entry; /* Entry point. */
Elf64_Off e_phoff; /* Program header file offset. */
Elf64_Off e_shoff; /* Section header file offset. */
Elf64_Word e_flags; /* Architecture-specific flags. */
Elf64_Half e_ehsize; /* Size of ELF header in bytes. */
Elf64_Half e_phentsize; /* Size of program header entry. */
Elf64_Half e_phnum; /* Number of program header entries. */
Elf64_Half e_shentsize; /* Size of section header entry. */
Elf64_Half e_shnum; /* Number of section header entries. */
Elf64_Half e_shstrndx; /* Section name strings section. */
} Elf64_Ehdr;
/* Indexes into the e_ident array. Keep synced with
http://www.sco.com/developers/gabi/latest/ch4.eheader.html */
#define EI_MAG0 0 /* Magic number, byte 0. */
#define EI_MAG1 1 /* Magic number, byte 1. */
#define EI_MAG2 2 /* Magic number, byte 2. */
#define EI_MAG3 3 /* Magic number, byte 3. */
#define EI_CLASS 4 /* Class of machine. */
#define EI_DATA 5 /* Data format. */
#define EI_VERSION 6 /* ELF format version. */
#define EI_OSABI 7 /* Operating system / ABI identification */
#define EI_ABIVERSION 8 /* ABI version */
#define OLD_EI_BRAND 8 /* Start of architecture identification. */
#define EI_PAD 9 /* Start of padding (per SVR4 ABI). */
/* Values for the magic number bytes. */
#define ELFMAG0 0x7f
#define ELFMAG1 'E'
#define ELFMAG2 'L'
#define ELFMAG3 'F'
#define ELFMAG "\177ELF" /* magic string */
#define SELFMAG 4 /* magic string size */
/* Values for e_ident[EI_VERSION] and e_version. */
#define EV_NONE 0
#define EV_CURRENT 1
/* Values for e_ident[EI_CLASS]. */
#define ELFCLASSNONE 0 /* Unknown class. */
#define ELFCLASS32 1 /* 32-bit architecture. */
#define ELFCLASS64 2 /* 64-bit architecture. */
/* Values for e_ident[EI_DATA]. */
#define ELFDATANONE 0 /* Unknown data format. */
#define ELFDATA2LSB 1 /* 2's complement little-endian. */
#define ELFDATA2MSB 2 /* 2's complement big-endian. */
/* Values for e_ident[EI_OSABI]. */
#define ELFOSABI_NONE 0 /* UNIX System V ABI */
#define ELFOSABI_HPUX 1 /* HP-UX operating system */
#define ELFOSABI_NETBSD 2 /* NetBSD */
#define ELFOSABI_LINUX 3 /* GNU/Linux */
#define ELFOSABI_HURD 4 /* GNU/Hurd */
#define ELFOSABI_86OPEN 5 /* 86Open common IA32 ABI */
#define ELFOSABI_SOLARIS 6 /* Solaris */
#define ELFOSABI_AIX 7 /* AIX */
#define ELFOSABI_IRIX 8 /* IRIX */
#define ELFOSABI_FREEBSD 9 /* FreeBSD */
#define ELFOSABI_TRU64 10 /* TRU64 UNIX */
#define ELFOSABI_MODESTO 11 /* Novell Modesto */
#define ELFOSABI_OPENBSD 12 /* OpenBSD */
#define ELFOSABI_OPENVMS 13 /* Open VMS */
#define ELFOSABI_NSK 14 /* HP Non-Stop Kernel */
#define ELFOSABI_AROS 15 /* Amiga Research OS */
#define ELFOSABI_FENIXOS 16 /* FenixOS */
#define ELFOSABI_CLOUDABI 17 /* Nuxi CloudABI */
#define ELFOSABI_ARM_AEABI 64 /* ARM EABI */
#define ELFOSABI_ARM 97 /* ARM */
#define ELFOSABI_STANDALONE 255 /* Standalone (embedded) application */
#define ELFOSABI_SYSV ELFOSABI_NONE /* symbol used in old spec */
#define ELFOSABI_MONTEREY ELFOSABI_AIX /* Monterey */
#define ELFOSABI_GNU ELFOSABI_LINUX
/* e_ident */
#define IS_ELF(ehdr) ((ehdr).e_ident[EI_MAG0] == ELFMAG0 && \
(ehdr).e_ident[EI_MAG1] == ELFMAG1 && \
(ehdr).e_ident[EI_MAG2] == ELFMAG2 && \
(ehdr).e_ident[EI_MAG3] == ELFMAG3)
/* Values for e_type. */
#define ET_NONE 0 /* Unknown type. */
#define ET_REL 1 /* Relocatable. */
#define ET_EXEC 2 /* Executable. */
#define ET_DYN 3 /* Shared object. */
#define ET_CORE 4 /* Core file. */
#define ET_LOOS 0xfe00 /* First operating system specific. */
#define ET_HIOS 0xfeff /* Last operating system-specific. */
#define ET_LOPROC 0xff00 /* First processor-specific. */
#define ET_HIPROC 0xffff /* Last processor-specific. */
/* Values for e_machine. */
#define EM_NONE 0 /* Unknown machine. */
#define EM_M32 1 /* AT&T WE32100. */
#define EM_SPARC 2 /* Sun SPARC. */
#define EM_386 3 /* Intel i386. */
#define EM_68K 4 /* Motorola 68000. */
#define EM_88K 5 /* Motorola 88000. */
#define EM_IAMCU 6 /* Intel MCU. */
#define EM_860 7 /* Intel i860. */
#define EM_MIPS 8 /* MIPS R3000 Big-Endian only. */
#define EM_S370 9 /* IBM System/370. */
#define EM_MIPS_RS3_LE 10 /* MIPS R3000 Little-Endian. */
#define EM_PARISC 15 /* HP PA-RISC. */
#define EM_VPP500 17 /* Fujitsu VPP500. */
#define EM_SPARC32PLUS 18 /* SPARC v8plus. */
#define EM_960 19 /* Intel 80960. */
#define EM_PPC 20 /* PowerPC 32-bit. */
#define EM_PPC64 21 /* PowerPC 64-bit. */
#define EM_S390 22 /* IBM System/390. */
#define EM_SPU 23 /* IBM SPU/SPC */
#define EM_V800 36 /* NEC V800. */
#define EM_FR20 37 /* Fujitsu FR20. */
#define EM_RH32 38 /* TRW RH-32. */
#define EM_RCE 39 /* Motorola RCE. */
#define EM_ARM 40 /* ARM. */
#define EM_SH 42 /* Hitachi SH. */
#define EM_SPARCV9 43 /* SPARC v9 64-bit. */
#define EM_TRICORE 44 /* Siemens TriCore embedded processor. */
#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 IA-64 Processor. */
#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. */
#define EM_PCP 55 /* Siemens PCP. */
#define EM_NCPU 56 /* Sony nCPU. */
#define EM_NDR1 57 /* Denso NDR1 microprocessor. */
#define EM_STARCORE 58 /* Motorola Star*Core processor. */
#define EM_ME16 59 /* Toyota ME16 processor. */
#define EM_ST100 60 /* STMicroelectronics ST100 processor. */
#define EM_TINYJ 61 /* Advanced Logic Corp. TinyJ processor. */
#define EM_X86_64 62 /* Advanced Micro Devices x86-64 */
#define EM_AMD64 EM_X86_64
#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 microcontroller. */
#define EM_ST7 68 /* STmicroelectronics ST7 8-bit microcontroller. */
#define EM_68HC16 69 /* Motorola MC68HC16 microcontroller. */
#define EM_68HC11 70 /* Motorola MC68HC11 microcontroller. */
#define EM_68HC08 71 /* Motorola MC68HC08 microcontroller. */
#define EM_68HC05 72 /* Motorola MC68HC05 microcontroller. */
#define EM_SVX 73 /* Silicon Graphics SVx. */
#define EM_ST19 74 /* STMicroelectronics ST19 8-bit 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 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_A5 93 /* ARC Cores Tangent-A5. */
#define EM_XTENSA 94 /* Tensilica Xtensa Architecture. */
#define EM_VIDEOCORE 95 /* Alphamosaic VideoCore processor. */
#define EM_TMM_GPP 96 /* Thompson Multimedia General Purpose Processor. */
#define EM_NS32K 97 /* National Semiconductor 32000 series. */
#define EM_TPC 98 /* Tenor Network TPC processor. */
#define EM_SNP1K 99 /* Trebia SNP 1000 processor. */
#define EM_ST200 100 /* STMicroelectronics ST200 microcontroller. */
#define EM_IP2K 101 /* Ubicom IP2xxx microcontroller family. */
#define EM_MAX 102 /* MAX Processor. */
#define EM_CR 103 /* National Semiconductor CompactRISC microprocessor. */
#define EM_F2MC16 104 /* Fujitsu F2MC16. */
#define EM_MSP430 105 /* Texas Instruments embedded microcontroller msp430. */
#define EM_BLACKFIN 106 /* Analog Devices Blackfin (DSP) processor. */
#define EM_SE_C33 107 /* S1C33 Family of Seiko Epson processors. */
#define EM_SEP 108 /* Sharp embedded microprocessor. */
#define EM_ARCA 109 /* Arca RISC Microprocessor. */
#define EM_UNICORE 110 /* Microprocessor series from PKU-Unity Ltd. and MPRC of Peking University */
#define EM_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 */
#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 */
#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 */
#define EM_AARCH64 183 /* AArch64 (64-bit ARM) */
#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) */
#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 */
#define EM_RISCV 243 /* RISC-V */
#define EM_BPF 247 /* Linux BPF -- in-kernel virtual machine */
/* Non-standard or deprecated. */
#define EM_486 6 /* Intel i486. */
#define EM_MIPS_RS4_BE 10 /* MIPS R4000 Big-Endian */
#define EM_ALPHA_STD 41 /* Digital Alpha (standard value). */
#define EM_ALPHA 0x9026 /* Alpha (written in the absence of an ABI) */
/**
* e_flags
*/
#define EF_ARM_RELEXEC 0x00000001
#define EF_ARM_HASENTRY 0x00000002
#define EF_ARM_SYMSARESORTED 0x00000004
#define EF_ARM_DYNSYMSUSESEGIDX 0x00000008
#define EF_ARM_MAPSYMSFIRST 0x00000010
#define EF_ARM_LE8 0x00400000
#define EF_ARM_BE8 0x00800000
#define EF_ARM_EABIMASK 0xFF000000
#define EF_ARM_EABI_UNKNOWN 0x00000000
#define EF_ARM_EABI_VER1 0x01000000
#define EF_ARM_EABI_VER2 0x02000000
#define EF_ARM_EABI_VER3 0x03000000
#define EF_ARM_EABI_VER4 0x04000000
#define EF_ARM_EABI_VER5 0x05000000
#define EF_ARM_INTERWORK 0x00000004
#define EF_ARM_APCS_26 0x00000008
#define EF_ARM_APCS_FLOAT 0x00000010
#define EF_ARM_PIC 0x00000020
#define EF_ARM_ALIGN8 0x00000040
#define EF_ARM_NEW_ABI 0x00000080
#define EF_ARM_OLD_ABI 0x00000100
#define EF_ARM_SOFT_FLOAT 0x00000200
#define EF_ARM_VFP_FLOAT 0x00000400
#define EF_ARM_MAVERICK_FLOAT 0x00000800
#define EF_MIPS_NOREORDER 0x00000001
#define EF_MIPS_PIC 0x00000002 /* Contains PIC code */
#define EF_MIPS_CPIC 0x00000004 /* STD PIC calling sequence */
#define EF_MIPS_UCODE 0x00000010
#define EF_MIPS_ABI2 0x00000020 /* N32 */
#define EF_MIPS_OPTIONS_FIRST 0x00000080
#define EF_MIPS_ARCH_ASE 0x0F000000 /* Architectural extensions */
#define EF_MIPS_ARCH_ASE_MDMX 0x08000000 /* MDMX multimedia extension */
#define EF_MIPS_ARCH_ASE_M16 0x04000000 /* MIPS-16 ISA extensions */
#define EF_MIPS_ARCH 0xF0000000 /* Architecture field */
#define EF_PPC_EMB 0x80000000
#define EF_PPC_RELOCATABLE 0x00010000
#define EF_PPC_RELOCATABLE_LIB 0x00008000
#define EF_SPARC_EXT_MASK 0x00ffff00
#define EF_SPARC_32PLUS 0x00000100
#define EF_SPARC_SUN_US1 0x00000200
#define EF_SPARC_HAL_R1 0x00000200
#define EF_SPARC_SUN_US3 0x00000800
#define EF_SPARCV9_MM 0x00000003
#define EF_SPARCV9_TSO 0x00000000
#define EF_SPARCV9_PSO 0x00000001
#define EF_SPARCV9_RMO 0x00000002
/*
* Shared object information.
*/
typedef struct {
Elf32_Word l_name; /* The name of a shared object. */
Elf32_Word l_time_stamp; /* 32-bit timestamp. */
Elf32_Word l_checksum; /* Checksum of visible symbols, sizes. */
Elf32_Word l_version; /* Interface version string index. */
Elf32_Word l_flags; /* Flags (LL_*). */
} Elf32_Lib;
typedef struct {
Elf64_Word l_name; /* The name of a shared object. */
Elf64_Word l_time_stamp; /* 64-bit timestamp. */
Elf64_Word l_checksum; /* Checksum of visible symbols, sizes. */
Elf64_Word l_version; /* Interface version string index. */
Elf64_Word l_flags; /* Flags (LL_*). */
} Elf64_Lib;
/* Values for l_flags. */
#define LL_NONE 0x0000 /* no flags */
#define LL_EXACT_MATCH 0x0001 /* require an exact match */
#define LL_IGNORE_INT_VER 0x0002 /* ignore version incompatibilities */
#define LL_REQUIRE_MINOR 0x0004
#define LL_EXPORTS 0x0008
#define LL_DELAY_LOAD 0x0010
#define LL_DELTA 0x0020
/*
* Section header.
*/
typedef struct {
Elf32_Word sh_name; /* Section name (index into the section header string table). */
Elf32_Word sh_type; /* Section type. */
Elf32_Word sh_flags; /* Section flags. */
Elf32_Addr sh_addr; /* Address in memory image. */
Elf32_Off sh_offset; /* Offset in file. */
Elf32_Word sh_size; /* Size in bytes. */
Elf32_Word sh_link; /* Index of a related section. */
Elf32_Word sh_info; /* Depends on section type. */
Elf32_Word sh_addralign; /* Alignment in bytes. */
Elf32_Word sh_entsize; /* Size of each entry in section. */
} Elf32_Shdr;
typedef struct {
Elf64_Word sh_name; /* Section name (index into the section header string table). */
Elf64_Word sh_type; /* Section type. */
Elf64_Xword sh_flags; /* Section flags. */
Elf64_Addr sh_addr; /* Address in memory image. */
Elf64_Off sh_offset; /* Offset in file. */
Elf64_Xword sh_size; /* Size in bytes. */
Elf64_Word sh_link; /* Index of a related section. */
Elf64_Word sh_info; /* Depends on section type. */
Elf64_Xword sh_addralign; /* Alignment in bytes. */
Elf64_Xword sh_entsize; /* Size of each entry in section. */
} Elf64_Shdr;
/* Special section indexes. */
#define SHN_UNDEF 0x0000 /* Undefined, missing, irrelevant. */
#define SHN_LORESERVE 0xff00 /* First of reserved range. */
#define SHN_LOPROC 0xff00 /* First processor-specific. */
#define SHN_BEFORE 0xff00 /* Order before (Solaris). */
#define SHN_AFTER 0xff01 /* Order after (Solaris). */
#define SHN_HIPROC 0xff1f /* Last processor-specific. */
#define SHN_LOOS 0xff20 /* First operating system-specific. */
#define SHN_HIOS 0xff3f /* Last operating system-specific. */
#define SHN_ABS 0xfff1 /* Absolute values. */
#define SHN_COMMON 0xfff2 /* Common data. */
#define SHN_XINDEX 0xffff /* Escape -- index stored elsewhere. */
#define SHN_HIRESERVE 0xffff /* Last of reserved range. */
/* sh_type */
#define SHT_NULL 0 /* inactive */
#define SHT_PROGBITS 1 /* program defined information */
#define SHT_SYMTAB 2 /* symbol table section */
#define SHT_STRTAB 3 /* string table section */
#define SHT_RELA 4 /* relocation section with addends */
#define SHT_HASH 5 /* symbol hash table section */
#define SHT_DYNAMIC 6 /* dynamic section */
#define SHT_NOTE 7 /* note section */
#define SHT_NOBITS 8 /* no space section */
#define SHT_REL 9 /* relocation section - no addends */
#define SHT_SHLIB 10 /* reserved - purpose unknown */
#define SHT_DYNSYM 11 /* dynamic symbol table section */
#define SHT_INIT_ARRAY 14 /* Initialization function pointers. */
#define SHT_FINI_ARRAY 15 /* Termination function pointers. */
#define SHT_PREINIT_ARRAY 16 /* Pre-initialization function ptrs. */
#define SHT_GROUP 17 /* Section group. */
#define SHT_SYMTAB_SHNDX 18 /* Section indexes (see SHN_XINDEX). */
#define SHT_LOOS 0x60000000 /* First of OS specific semantics */
#define SHT_LOSUNW 0x6ffffff4
#define SHT_SUNW_dof 0x6ffffff4
#define SHT_SUNW_cap 0x6ffffff5
#define SHT_GNU_ATTRIBUTES 0x6ffffff5
#define SHT_SUNW_SIGNATURE 0x6ffffff6
#define SHT_GNU_HASH 0x6ffffff6
#define SHT_GNU_LIBLIST 0x6ffffff7
#define SHT_SUNW_ANNOTATE 0x6ffffff7
#define SHT_SUNW_DEBUGSTR 0x6ffffff8
#define SHT_CHECKSUM 0x6ffffff8
#define SHT_SUNW_DEBUG 0x6ffffff9
#define SHT_SUNW_move 0x6ffffffa
#define SHT_SUNW_COMDAT 0x6ffffffb
#define SHT_SUNW_syminfo 0x6ffffffc
#define SHT_SUNW_verdef 0x6ffffffd
#define SHT_GNU_verdef 0x6ffffffd /* Symbol versions provided */
#define SHT_SUNW_verneed 0x6ffffffe
#define SHT_GNU_verneed 0x6ffffffe /* Symbol versions required */
#define SHT_SUNW_versym 0x6fffffff
#define SHT_GNU_versym 0x6fffffff /* Symbol version table */
#define SHT_HISUNW 0x6fffffff
#define SHT_HIOS 0x6fffffff /* Last of OS specific semantics */
#define SHT_LOPROC 0x70000000 /* reserved range for processor */
#define SHT_X86_64_UNWIND 0x70000001 /* unwind information */
#define SHT_AMD64_UNWIND SHT_X86_64_UNWIND
#define SHT_ARM_EXIDX 0x70000001 /* Exception index table. */
#define SHT_ARM_PREEMPTMAP 0x70000002 /* BPABI DLL dynamic linking pre-emption map. */
#define SHT_ARM_ATTRIBUTES 0x70000003 /* Object file compatibility attributes. */
#define SHT_ARM_DEBUGOVERLAY 0x70000004 /* See DBGOVL for details. */
#define SHT_ARM_OVERLAYSECTION 0x70000005 /* See DBGOVL for details. */
#define SHT_MIPS_LIBLIST 0x70000000
#define SHT_MIPS_MSYM 0x70000001
#define SHT_MIPS_CONFLICT 0x70000002
#define SHT_MIPS_GPTAB 0x70000003
#define SHT_MIPS_UCODE 0x70000004
#define SHT_MIPS_DEBUG 0x70000005
#define SHT_MIPS_REGINFO 0x70000006
#define SHT_MIPS_PACKAGE 0x70000007
#define SHT_MIPS_PACKSYM 0x70000008
#define SHT_MIPS_RELD 0x70000009
#define SHT_MIPS_IFACE 0x7000000b
#define SHT_MIPS_CONTENT 0x7000000c
#define SHT_MIPS_OPTIONS 0x7000000d
#define SHT_MIPS_DELTASYM 0x7000001b
#define SHT_MIPS_DELTAINST 0x7000001c
#define SHT_MIPS_DELTACLASS 0x7000001d
#define SHT_MIPS_DWARF 0x7000001e /* MIPS gcc uses MIPS_DWARF */
#define SHT_MIPS_DELTADECL 0x7000001f
#define SHT_MIPS_SYMBOL_LIB 0x70000020
#define SHT_MIPS_EVENTS 0x70000021
#define SHT_MIPS_TRANSLATE 0x70000022
#define SHT_MIPS_PIXIE 0x70000023
#define SHT_MIPS_XLATE 0x70000024
#define SHT_MIPS_XLATE_DEBUG 0x70000025
#define SHT_MIPS_WHIRL 0x70000026
#define SHT_MIPS_EH_REGION 0x70000027
#define SHT_MIPS_XLATE_OLD 0x70000028
#define SHT_MIPS_PDR_EXCEPTION 0x70000029
#define SHT_MIPS_ABIFLAGS 0x7000002a
#define SHT_SPARC_GOTDATA 0x70000000
#define SHTORDERED
#define SHT_HIPROC 0x7fffffff /* specific section header types */
#define SHT_LOUSER 0x80000000 /* reserved range for application */
#define SHT_HIUSER 0xffffffff /* specific indexes */
/* Flags for sh_flags. */
#define SHF_WRITE 0x00000001 /* Section contains writable data. */
#define SHF_ALLOC 0x00000002 /* Section occupies memory. */
#define SHF_EXECINSTR 0x00000004 /* Section contains instructions. */
#define SHF_MERGE 0x00000010 /* Section may be merged. */
#define SHF_STRINGS 0x00000020 /* Section contains strings. */
#define SHF_INFO_LINK 0x00000040 /* sh_info holds section index. */
#define SHF_LINK_ORDER 0x00000080 /* Special ordering requirements. */
#define SHF_OS_NONCONFORMING 0x00000100 /* OS-specific processing required. */
#define SHF_GROUP 0x00000200 /* Member of section group. */
#define SHF_TLS 0x00000400 /* Section contains TLS data. */
#define SHF_COMPRESSED 0x00000800 /* Section contains compressed data. */
#define SHF_MASKOS 0x0ff00000 /* OS-specific semantics. */
#define SHF_ORDERED 0x40000000 /* Solaris special ordering */
#define SHF_EXCLUDE 0x80000000 /* Solaris exclude unless referenced */
#define SHF_MASKPROC 0xf0000000 /* Processor-specific semantics. */
/*
* Program header.
*/
typedef struct {
Elf32_Word p_type; /* Entry type. */
Elf32_Off p_offset; /* File offset of contents. */
Elf32_Addr p_vaddr; /* Virtual address in memory image. */
Elf32_Addr p_paddr; /* Physical address (not used). */
Elf32_Word p_filesz; /* Size of contents in file. */
Elf32_Word p_memsz; /* Size of contents in memory. */
Elf32_Word p_flags; /* Access permission flags. */
Elf32_Word p_align; /* Alignment in memory and file. */
} Elf32_Phdr;
typedef struct {
Elf64_Word p_type; /* Entry type. */
Elf64_Word p_flags; /* Access permission flags. */
Elf64_Off p_offset; /* File offset of contents. */
Elf64_Addr p_vaddr; /* Virtual address in memory image. */
Elf64_Addr p_paddr; /* Physical address (not used). */
Elf64_Xword p_filesz; /* Size of contents in file. */
Elf64_Xword p_memsz; /* Size of contents in memory. */
Elf64_Xword p_align; /* Alignment in memory and file. */
} Elf64_Phdr;
/* Values for p_type. */
#define PT_NULL 0x00000000 /* Unused entry. */
#define PT_LOAD 0x00000001 /* Loadable segment. */
#define PT_DYNAMIC 0x00000002 /* Dynamic linking information segment. */
#define PT_INTERP 0x00000003 /* Pathname of interpreter. */
#define PT_NOTE 0x00000004 /* Auxiliary information. */
#define PT_SHLIB 0x00000005 /* Reserved (not used). */
#define PT_PHDR 0x00000006 /* Location of program header itself. */
#define PT_TLS 0x00000007 /* Thread local storage segment */
#define PT_SUNW_UNWIND 0x6464e550 /* amd64 UNWIND program header */
#define PT_GNU_EH_FRAME 0x6474e550 /* GCC .eh_frame_hdr segment */
#define PT_GNU_STACK 0x6474e551 /* Executable stack */
#define PT_GNU_RELRO 0x6474e552 /* Read-only after relocation */
#define PT_DUMP_DELTA 0x6fb5d000 /* va->pa map for kernel dumps (currently arm). */
#define PT_LOSUNW 0x6ffffffa
#define PT_SUNWBSS 0x6ffffffa /* Sun Specific segment */
#define PT_SUNWSTACK 0x6ffffffb /* describes the stack segment */
#define PT_SUNWDTRACE 0x6ffffffc /* private */
#define PT_SUNWCAP 0x6ffffffd /* hard/soft capabilities segment */
#define PT_HISUNW 0x6fffffff
#define PT_HIOS 0x6fffffff /* Last OS-specific. */
#define PT_LOPROC 0x70000000 /* First processor-specific type. */
#define PT_ARM_ARCHEXT 0x70000000 /* ARM arch compat information. */
#define PT_ARM_EXIDX 0x70000001 /* ARM exception unwind tables. */
#define PT_HIPROC 0x7fffffff /* Last processor-specific type. */
/* Values for p_flags. */
#define PF_X 0x1 /* Executable. */
#define PF_W 0x2 /* Writable. */
#define PF_R 0x4 /* Readable. */
#define PF_MASKOS 0x0ff00000 /* Operating system-specific. */
#define PF_MASKPROC 0xf0000000 /* Processor-specific. */
/* Extended program header index. */
#define PN_XNUM 0xffff
/*
* Dynamic structure. The ".dynamic" section contains an array of them.
*/
typedef struct {
Elf32_Sword d_tag; /* Entry type. */
union {
Elf32_Word d_val; /* Integer value. */
Elf32_Addr d_ptr; /* Address value. */
} d_un;
} Elf32_Dyn;
typedef struct {
Elf64_Sxword d_tag; /* Entry type. */
union {
Elf64_Xword d_val; /* Integer value. */
Elf64_Addr d_ptr; /* Address value. */
} d_un;
} Elf64_Dyn;
/* Values for d_tag. */
#define DT_NULL 0 /* Terminating entry. */
#define DT_NEEDED 1 /* String table offset of a needed shared library. */
#define DT_PLTRELSZ 2 /* Total size in bytes of PLT relocations. */
#define DT_PLTGOT 3 /* Processor-dependent address. */
#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 ElfNN_Rela relocations. */
#define DT_RELASZ 8 /* Total size of ElfNN_Rela relocations. */
#define DT_RELAENT 9 /* Size of each ElfNN_Rela relocation entry. */
#define DT_STRSZ 10 /* Size of string table. */
#define DT_SYMENT 11 /* Size of each symbol table entry. */
#define DT_INIT 12 /* Address of initialization function. */
#define DT_FINI 13 /* Address of finalization function. */
#define DT_SONAME 14 /* String table offset of shared object name. */
#define DT_RPATH 15 /* String table offset of library path. [sup] */
#define DT_SYMBOLIC 16 /* Indicates "symbolic" linking. [sup] */
#define DT_REL 17 /* Address of ElfNN_Rel relocations. */
#define DT_RELSZ 18 /* Total size of ElfNN_Rel relocations. */
#define DT_RELENT 19 /* Size of each ElfNN_Rel relocation. */
#define DT_PLTREL 20 /* Type of relocation used for PLT. */
#define DT_DEBUG 21 /* Reserved (not used). */
#define DT_TEXTREL 22 /* Indicates there may be relocations in non-writable segments. [sup] */
#define DT_JMPREL 23 /* Address of PLT relocations. */
#define DT_BIND_NOW 24 /* [sup] */
#define DT_INIT_ARRAY 25 /* Address of the array of pointers to initialization functions */
#define DT_FINI_ARRAY 26 /* Address of the array of pointers to termination functions */
#define DT_INIT_ARRAYSZ 27 /* Size in bytes of the array of initialization functions. */
#define DT_FINI_ARRAYSZ 28 /* Size in bytes of the array of termination functions. */
#define DT_RUNPATH 29 /* String table offset of a null-terminated library search path string. */
#define DT_FLAGS 30 /* Object specific flag values. */
#define DT_ENCODING 32 /* Values greater than or equal to DT_ENCODING
and less than DT_LOOS follow the rules for
the interpretation of the d_un union
as follows: even == 'd_ptr', odd == 'd_val'
or none */
#define DT_PREINIT_ARRAY 32 /* Address of the array of pointers to pre-initialization functions. */
#define DT_PREINIT_ARRAYSZ 33 /* Size in bytes of the array of pre-initialization functions. */
#define DT_SYMTAB_SHNDX 34 /* Address of the SHT_SYMTAB_SHNDX section referenced by the DT_SYMTAB element. */
#define DT_LOOS 0x6000000d /* First OS-specific */
#define DT_SUNW_AUXILIARY 0x6000000d /* symbol auxiliary name */
#define DT_SUNW_RTLDINF 0x6000000e /* ld.so.1 info (private) */
#define DT_SUNW_FILTER 0x6000000f /* symbol filter name */
#define DT_SUNW_CAP 0x60000010 /* hardware/software */
#define DT_HIOS 0x6ffff000 /* Last OS-specific */
/*
* DT_* entries which fall between DT_VALRNGHI & DT_VALRNGLO use the
* Dyn.d_un.d_val field of the Elf*_Dyn structure.
*/
#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 /* elf checksum */
#define DT_PLTPADSZ 0x6ffffdf9 /* pltpadding size */
#define DT_MOVEENT 0x6ffffdfa /* move table entry size */
#define DT_MOVESZ 0x6ffffdfb /* move table size */
#define DT_FEATURE 0x6ffffdfc /* feature holder */
#define DT_FEATURE_1 DT_FEATURE
#define DT_POSFLAG_1 0x6ffffdfd /* flags for DT_* entries, effecting the following DT_* entry. */
#define DT_SYMINSZ 0x6ffffdfe /* syminfo table size (in bytes) */
#define DT_SYMINENT 0x6ffffdff /* syminfo entry size (in bytes) */
#define DT_VALRNGHI 0x6ffffdff
/*
* 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 /* loc. of PLT for tlsdesc resolver */
#define DT_TLSDESC_GOT 0x6ffffef7 /* loc. of GOT for tlsdesc resolver */
#define DT_GNU_CONFLICT 0x6ffffef8 /* address of conflict section */
#define DT_GNU_LIBLIST 0x6ffffef9 /* address of library list */
#define DT_CONFIG 0x6ffffefa /* configuration information */
#define DT_DEPAUDIT 0x6ffffefb /* dependency auditing */
#define DT_AUDIT 0x6ffffefc /* object auditing */
#define DT_PLTPAD 0x6ffffefd /* pltpadding (sparcv9) */
#define DT_MOVETAB 0x6ffffefe /* move table */
#define DT_SYMINFO 0x6ffffeff /* syminfo table */
#define DT_ADDRRNGHI 0x6ffffeff
#define DT_VERSYM 0x6ffffff0 /* Address of versym section. */
#define DT_RELACOUNT 0x6ffffff9 /* number of RELATIVE relocations */
#define DT_RELCOUNT 0x6ffffffa /* number of RELATIVE relocations */
#define DT_FLAGS_1 0x6ffffffb /* state flags - see DF_1_* defs */
#define DT_VERDEF 0x6ffffffc /* Address of verdef section. */
#define DT_VERDEFNUM 0x6ffffffd /* Number of elems in verdef section */
#define DT_VERNEED 0x6ffffffe /* Address of verneed section. */
#define DT_VERNEEDNUM 0x6fffffff /* Number of elems in verneed section */
#define DT_LOPROC 0x70000000 /* First processor-specific type. */
#define DT_ARM_SYMTABSZ 0x70000001
#define DT_ARM_PREEMPTMAP 0x70000002
#define DT_SPARC_REGISTER 0x70000001
#define DT_DEPRECATED_SPARC_REGISTER 0x7000001
#define DT_MIPS_RLD_VERSION 0x70000001
#define DT_MIPS_TIME_STAMP 0x70000002
#define DT_MIPS_ICHECKSUM 0x70000003
#define DT_MIPS_IVERSION 0x70000004
#define DT_MIPS_FLAGS 0x70000005
#define DT_MIPS_BASE_ADDRESS 0x70000006
#define DT_MIPS_CONFLICT 0x70000008
#define DT_MIPS_LIBLIST 0x70000009
#define DT_MIPS_LOCAL_GOTNO 0x7000000a
#define DT_MIPS_CONFLICTNO 0x7000000b
#define DT_MIPS_LIBLISTNO 0x70000010
#define DT_MIPS_SYMTABNO 0x70000011
#define DT_MIPS_UNREFEXTNO 0x70000012
#define DT_MIPS_GOTSYM 0x70000013
#define DT_MIPS_HIPAGENO 0x70000014
#define DT_MIPS_RLD_MAP 0x70000016
#define DT_MIPS_DELTA_CLASS 0x70000017
#define DT_MIPS_DELTA_CLASS_NO 0x70000018
#define DT_MIPS_DELTA_INSTANCE 0x70000019
#define DT_MIPS_DELTA_INSTANCE_NO 0x7000001A
#define DT_MIPS_DELTA_RELOC 0x7000001B
#define DT_MIPS_DELTA_RELOC_NO 0x7000001C
#define DT_MIPS_DELTA_SYM 0x7000001D
#define DT_MIPS_DELTA_SYM_NO 0x7000001E
#define DT_MIPS_DELTA_CLASSSYM 0x70000020
#define DT_MIPS_DELTA_CLASSSYM_NO 0x70000021
#define DT_MIPS_CXX_FLAGS 0x70000022
#define DT_MIPS_PIXIE_INIT 0x70000023
#define DT_MIPS_SYMBOL_LIB 0x70000024
#define DT_MIPS_LOCALPAGE_GOTIDX 0x70000025
#define DT_MIPS_LOCAL_GOTIDX 0x70000026
#define DT_MIPS_HIDDEN_GOTIDX 0x70000027
#define DT_MIPS_PROTECTED_GOTIDX 0x70000028
#define DT_MIPS_OPTIONS 0x70000029
#define DT_MIPS_INTERFACE 0x7000002A
#define DT_MIPS_DYNSTR_ALIGN 0x7000002B
#define DT_MIPS_INTERFACE_SIZE 0x7000002C
#define DT_MIPS_RLD_TEXT_RESOLVE_ADDR 0x7000002D
#define DT_MIPS_PERF_SUFFIX 0x7000002E
#define DT_MIPS_COMPACT_SIZE 0x7000002F
#define DT_MIPS_GP_VALUE 0x70000030
#define DT_MIPS_AUX_DYNAMIC 0x70000031
#define DT_MIPS_PLTGOT 0x70000032
#define DT_MIPS_RLD_OBJ_UPDATE 0x70000033
#define DT_MIPS_RWPLT 0x70000034
#define DT_PPC_GOT 0x70000000
#define DT_PPC_TLSOPT 0x70000001
#define DT_PPC64_GLINK 0x70000000
#define DT_PPC64_OPD 0x70000001
#define DT_PPC64_OPDSZ 0x70000002
#define DT_PPC64_TLSOPT 0x70000003
#define DT_AUXILIARY 0x7ffffffd /* shared library auxiliary name */
#define DT_USED 0x7ffffffe /* ignored - same as needed */
#define DT_FILTER 0x7fffffff /* shared library filter name */
#define DT_HIPROC 0x7fffffff /* Last processor-specific type. */
/* Values for DT_FLAGS */
#define DF_ORIGIN 0x0001 /* The object being loaded may be using $ORIGIN */
#define DF_SYMBOLIC 0x0002 /* Indicates "symbolic" linking. */
#define DF_TEXTREL 0x0004 /* Indicates there may be relocations in non-writable segments. */
#define DF_BIND_NOW 0x0008 /* Indicates that the dynamic linker should bind all symbols on load */
#define DF_STATIC_TLS 0x0010 /* Indicates that the shared object or executable uses static TLS */
/* Values for DT_FLAGS_1 */
#define DF_1_BIND_NOW 0x00000001 /* Same as DF_BIND_NOW */
#define DF_1_GLOBAL 0x00000002 /* Set the RTLD_GLOBAL for object */
#define DF_1_NODELETE 0x00000008 /* Set the RTLD_NODELETE for object */
#define DF_1_LOADFLTR 0x00000010 /* Immediate loading of filtees */
#define DF_1_INITFIRST 0x00000020 /* Set RTLD_INITFIRST for this object*/
#define DF_1_NOOPEN 0x00000040 /* Do not allow loading on dlopen() */
#define DF_1_ORIGIN 0x00000080 /* Process $ORIGIN */
#define DF_1_DIRECT 0x00000100 /* Direct binding enabled. */
#define DF_1_TRANS 0x00000200
#define DF_1_INTERPOSE 0x00000400 /* Interpose all objects but main */
#define DF_1_NODEFLIB 0x00000800 /* Do not search default paths */
#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
/* 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. */
/*
* Relocation entries.
*/
/* Relocations that don't need an addend field. */
typedef struct {
Elf32_Addr r_offset; /* Location to be relocated. */
Elf32_Word r_info; /* Relocation type and symbol index. */
} Elf32_Rel;
typedef struct {
Elf64_Addr r_offset; /* Location to be relocated. */
Elf64_Xword r_info; /* Relocation type and symbol index. */
} Elf64_Rel;
/* Relocations that need an addend field. */
typedef struct {
Elf32_Addr r_offset; /* Location to be relocated. */
Elf32_Word r_info; /* Relocation type and symbol index. */
Elf32_Sword r_addend; /* Addend. */
} Elf32_Rela;
typedef struct {
Elf64_Addr r_offset; /* Location to be relocated. */
Elf64_Xword r_info; /* Relocation type and symbol index. */
Elf64_Sxword r_addend; /* Addend. */
} Elf64_Rela;
/* Macros for accessing the fields of r_info. */
#define ELF32_R_SYM(info) ((info) >> 8)
#define ELF64_R_SYM(info) ((info) >> 32)
#define ELF32_R_TYPE(info) ((unsigned char)(info))
#define ELF64_R_TYPE(info) ((info) & 0xffffffffL)
/* Macro for constructing r_info from field values. */
#define ELF32_R_INFO(sym, type) (((sym) << 8) + (unsigned char)(type))
#define ELF64_R_INFO(sym, type) (((sym) << 32) + ((type) & 0xffffffffL))
#define ELF64_R_TYPE_DATA(info) (((Elf64_Xword)(info)<<32)>>40)
#define ELF64_R_TYPE_ID(info) (((Elf64_Xword)(info)<<56)>>56)
#define ELF64_R_TYPE_INFO(data, type) \
(((Elf64_Xword)(data)<<8)+(Elf64_Xword)(type))
/*
* Note header. The ".note" section contains an array of notes. Each
* begins with this header, aligned to a word boundary. Immediately
* following the note header is n_namesz bytes of name, padded to the
* next word boundary. Then comes n_descsz bytes of descriptor, again
* padded to a word boundary. The values of n_namesz and n_descsz do
* not include the padding.
*/
typedef struct {
uint32_t n_namesz; /* Length of name. */
uint32_t n_descsz; /* Length of descriptor. */
uint32_t n_type; /* Type of this note. */
} Elf_Note;
/* Values for n_type used in executables. */
#define NT_FREEBSD_ABI_TAG 1
#define NT_FREEBSD_NOINIT_TAG 2
#define NT_FREEBSD_ARCH_TAG 3
/* Values for n_type. Used in core files. */
#define NT_PRSTATUS 1 /* Process status. */
#define NT_FPREGSET 2 /* Floating point registers. */
#define NT_PRPSINFO 3 /* Process state info. */
#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_THRMISC 7 /* Thread miscellaneous info. */
#define NT_PROCSTAT_PROC 8 /* Procstat proc data. */
#define NT_PROCSTAT_FILES 9 /* Procstat files data. */
#define NT_PROCSTAT_VMMAP 10 /* Procstat vmmap data. */
#define NT_PROCSTAT_GROUPS 11 /* Procstat groups data. */
#define NT_PROCSTAT_UMASK 12 /* Procstat umask data. */
#define NT_PROCSTAT_RLIMIT 13 /* Procstat rlimit data. */
#define NT_PROCSTAT_OSREL 14 /* Procstat osreldate data. */
#define NT_PROCSTAT_PSSTRINGS 15 /* Procstat ps_strings data. */
#define NT_PROCSTAT_AUXV 16 /* Procstat auxv data. */
#define NT_PTLWPINFO 17 /* Thread ptrace miscellaneous info. */
#define NT_PRFPXREG 20 /* Contains copy of fprxregset 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_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 XSAVE extended state. */
#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 */