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Diffstat (limited to 'include/llvm/Support/ELF.h')
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diff --git a/include/llvm/Support/ELF.h b/include/llvm/Support/ELF.h deleted file mode 100644 index 33f20a809d6c..000000000000 --- a/include/llvm/Support/ELF.h +++ /dev/null @@ -1,1375 +0,0 @@ -//===-- llvm/Support/ELF.h - ELF constants and data structures --*- C++ -*-===// -// -// The LLVM Compiler Infrastructure -// -// This file is distributed under the University of Illinois Open Source -// License. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// -// -// This header contains common, non-processor-specific data structures and -// constants for the ELF file format. -// -// The details of the ELF32 bits in this file are largely based on the Tool -// Interface Standard (TIS) Executable and Linking Format (ELF) Specification -// Version 1.2, May 1995. The ELF64 stuff is based on ELF-64 Object File Format -// Version 1.5, Draft 2, May 1998 as well as OpenBSD header files. -// -//===----------------------------------------------------------------------===// - -#ifndef LLVM_SUPPORT_ELF_H -#define LLVM_SUPPORT_ELF_H - -#include "llvm/Support/Compiler.h" -#include "llvm/Support/DataTypes.h" -#include <cstring> - -namespace llvm { - -namespace ELF { - -typedef uint32_t Elf32_Addr; // Program address -typedef uint32_t Elf32_Off; // File offset -typedef uint16_t Elf32_Half; -typedef uint32_t Elf32_Word; -typedef int32_t Elf32_Sword; - -typedef uint64_t Elf64_Addr; -typedef uint64_t Elf64_Off; -typedef uint16_t Elf64_Half; -typedef uint32_t Elf64_Word; -typedef int32_t Elf64_Sword; -typedef uint64_t Elf64_Xword; -typedef int64_t Elf64_Sxword; - -// Object file magic string. -static const char ElfMagic[] = {0x7f, 'E', 'L', 'F', '\0'}; - -// e_ident size and indices. -enum { - EI_MAG0 = 0, // File identification index. - EI_MAG1 = 1, // File identification index. - EI_MAG2 = 2, // File identification index. - EI_MAG3 = 3, // File identification index. - EI_CLASS = 4, // File class. - EI_DATA = 5, // Data encoding. - EI_VERSION = 6, // File version. - EI_OSABI = 7, // OS/ABI identification. - EI_ABIVERSION = 8, // ABI version. - EI_PAD = 9, // Start of padding bytes. - EI_NIDENT = 16 // Number of bytes in e_ident. -}; - -struct Elf32_Ehdr { - unsigned char e_ident[EI_NIDENT]; // ELF Identification bytes - Elf32_Half e_type; // Type of file (see ET_* below) - Elf32_Half e_machine; // Required architecture for this file (see EM_*) - Elf32_Word e_version; // Must be equal to 1 - Elf32_Addr e_entry; // Address to jump to in order to start program - Elf32_Off e_phoff; // Program header table's file offset, in bytes - Elf32_Off e_shoff; // Section header table's file offset, in bytes - Elf32_Word e_flags; // Processor-specific flags - Elf32_Half e_ehsize; // Size of ELF header, in bytes - Elf32_Half e_phentsize; // Size of an entry in the program header table - Elf32_Half e_phnum; // Number of entries in the program header table - Elf32_Half e_shentsize; // Size of an entry in the section header table - Elf32_Half e_shnum; // Number of entries in the section header table - Elf32_Half e_shstrndx; // Sect hdr table index of sect name string table - bool checkMagic() const { - return (memcmp(e_ident, ElfMagic, strlen(ElfMagic))) == 0; - } - unsigned char getFileClass() const { return e_ident[EI_CLASS]; } - unsigned char getDataEncoding() const { return e_ident[EI_DATA]; } -}; - -// 64-bit ELF header. Fields are the same as for ELF32, but with different -// types (see above). -struct Elf64_Ehdr { - unsigned char e_ident[EI_NIDENT]; - Elf64_Half e_type; - Elf64_Half e_machine; - Elf64_Word e_version; - Elf64_Addr e_entry; - Elf64_Off e_phoff; - Elf64_Off e_shoff; - Elf64_Word e_flags; - Elf64_Half e_ehsize; - Elf64_Half e_phentsize; - Elf64_Half e_phnum; - Elf64_Half e_shentsize; - Elf64_Half e_shnum; - Elf64_Half e_shstrndx; - bool checkMagic() const { - return (memcmp(e_ident, ElfMagic, strlen(ElfMagic))) == 0; - } - unsigned char getFileClass() const { return e_ident[EI_CLASS]; } - unsigned char getDataEncoding() const { return e_ident[EI_DATA]; } -}; - -// File types -enum { - ET_NONE = 0, // No file type - ET_REL = 1, // Relocatable file - ET_EXEC = 2, // Executable file - ET_DYN = 3, // Shared object file - ET_CORE = 4, // Core file - ET_LOPROC = 0xff00, // Beginning of processor-specific codes - ET_HIPROC = 0xffff // Processor-specific -}; - -// Versioning -enum { EV_NONE = 0, EV_CURRENT = 1 }; - -// Machine architectures -// See current registered ELF machine architectures at: -// http://www.uxsglobal.com/developers/gabi/latest/ch4.eheader.html -enum { - EM_NONE = 0, // No machine - EM_M32 = 1, // AT&T WE 32100 - EM_SPARC = 2, // SPARC - EM_386 = 3, // Intel 386 - EM_68K = 4, // Motorola 68000 - EM_88K = 5, // Motorola 88000 - EM_IAMCU = 6, // Intel MCU - EM_860 = 7, // Intel 80860 - EM_MIPS = 8, // MIPS R3000 - EM_S370 = 9, // IBM System/370 - EM_MIPS_RS3_LE = 10, // MIPS RS3000 Little-endian - EM_PARISC = 15, // Hewlett-Packard PA-RISC - EM_VPP500 = 17, // Fujitsu VPP500 - EM_SPARC32PLUS = 18, // Enhanced instruction set SPARC - EM_960 = 19, // Intel 80960 - EM_PPC = 20, // PowerPC - EM_PPC64 = 21, // PowerPC64 - EM_S390 = 22, // IBM System/390 - EM_SPU = 23, // IBM SPU/SPC - EM_V800 = 36, // NEC V800 - EM_FR20 = 37, // Fujitsu FR20 - EM_RH32 = 38, // TRW RH-32 - EM_RCE = 39, // Motorola RCE - EM_ARM = 40, // ARM - EM_ALPHA = 41, // DEC Alpha - EM_SH = 42, // Hitachi SH - EM_SPARCV9 = 43, // SPARC V9 - EM_TRICORE = 44, // Siemens TriCore - EM_ARC = 45, // Argonaut RISC Core - EM_H8_300 = 46, // Hitachi H8/300 - EM_H8_300H = 47, // Hitachi H8/300H - EM_H8S = 48, // Hitachi H8S - EM_H8_500 = 49, // Hitachi H8/500 - EM_IA_64 = 50, // Intel IA-64 processor architecture - EM_MIPS_X = 51, // Stanford MIPS-X - EM_COLDFIRE = 52, // Motorola ColdFire - EM_68HC12 = 53, // Motorola M68HC12 - EM_MMA = 54, // Fujitsu MMA Multimedia Accelerator - EM_PCP = 55, // Siemens PCP - EM_NCPU = 56, // Sony nCPU embedded RISC processor - EM_NDR1 = 57, // Denso NDR1 microprocessor - EM_STARCORE = 58, // Motorola Star*Core processor - EM_ME16 = 59, // Toyota ME16 processor - EM_ST100 = 60, // STMicroelectronics ST100 processor - EM_TINYJ = 61, // Advanced Logic Corp. TinyJ embedded processor family - EM_X86_64 = 62, // AMD x86-64 architecture - EM_PDSP = 63, // Sony DSP Processor - EM_PDP10 = 64, // Digital Equipment Corp. PDP-10 - EM_PDP11 = 65, // Digital Equipment Corp. PDP-11 - EM_FX66 = 66, // Siemens FX66 microcontroller - EM_ST9PLUS = 67, // STMicroelectronics ST9+ 8/16 bit microcontroller - EM_ST7 = 68, // STMicroelectronics ST7 8-bit microcontroller - EM_68HC16 = 69, // Motorola MC68HC16 Microcontroller - EM_68HC11 = 70, // Motorola MC68HC11 Microcontroller - EM_68HC08 = 71, // Motorola MC68HC08 Microcontroller - EM_68HC05 = 72, // Motorola MC68HC05 Microcontroller - EM_SVX = 73, // Silicon Graphics SVx - EM_ST19 = 74, // STMicroelectronics ST19 8-bit microcontroller - EM_VAX = 75, // Digital VAX - EM_CRIS = 76, // Axis Communications 32-bit embedded processor - EM_JAVELIN = 77, // Infineon Technologies 32-bit embedded processor - EM_FIREPATH = 78, // Element 14 64-bit DSP Processor - EM_ZSP = 79, // LSI Logic 16-bit DSP Processor - EM_MMIX = 80, // Donald Knuth's educational 64-bit processor - EM_HUANY = 81, // Harvard University machine-independent object files - EM_PRISM = 82, // SiTera Prism - EM_AVR = 83, // Atmel AVR 8-bit microcontroller - EM_FR30 = 84, // Fujitsu FR30 - EM_D10V = 85, // Mitsubishi D10V - EM_D30V = 86, // Mitsubishi D30V - EM_V850 = 87, // NEC v850 - EM_M32R = 88, // Mitsubishi M32R - EM_MN10300 = 89, // Matsushita MN10300 - EM_MN10200 = 90, // Matsushita MN10200 - EM_PJ = 91, // picoJava - EM_OPENRISC = 92, // OpenRISC 32-bit embedded processor - EM_ARC_COMPACT = 93, // ARC International ARCompact processor (old - // spelling/synonym: EM_ARC_A5) - EM_XTENSA = 94, // Tensilica Xtensa Architecture - EM_VIDEOCORE = 95, // Alphamosaic VideoCore processor - EM_TMM_GPP = 96, // Thompson Multimedia General Purpose Processor - EM_NS32K = 97, // National Semiconductor 32000 series - EM_TPC = 98, // Tenor Network TPC processor - EM_SNP1K = 99, // Trebia SNP 1000 processor - EM_ST200 = 100, // STMicroelectronics (www.st.com) ST200 - EM_IP2K = 101, // Ubicom IP2xxx microcontroller family - EM_MAX = 102, // MAX Processor - EM_CR = 103, // National Semiconductor CompactRISC microprocessor - EM_F2MC16 = 104, // Fujitsu F2MC16 - EM_MSP430 = 105, // Texas Instruments embedded microcontroller msp430 - EM_BLACKFIN = 106, // Analog Devices Blackfin (DSP) processor - EM_SE_C33 = 107, // S1C33 Family of Seiko Epson processors - EM_SEP = 108, // Sharp embedded microprocessor - EM_ARCA = 109, // Arca RISC Microprocessor - EM_UNICORE = 110, // Microprocessor series from PKU-Unity Ltd. and MPRC - // of Peking University - EM_EXCESS = 111, // eXcess: 16/32/64-bit configurable embedded CPU - EM_DXP = 112, // Icera Semiconductor Inc. Deep Execution Processor - EM_ALTERA_NIOS2 = 113, // Altera Nios II soft-core processor - EM_CRX = 114, // National Semiconductor CompactRISC CRX - EM_XGATE = 115, // Motorola XGATE embedded processor - EM_C166 = 116, // Infineon C16x/XC16x processor - EM_M16C = 117, // Renesas M16C series microprocessors - EM_DSPIC30F = 118, // Microchip Technology dsPIC30F Digital Signal - // Controller - EM_CE = 119, // Freescale Communication Engine RISC core - EM_M32C = 120, // Renesas M32C series microprocessors - EM_TSK3000 = 131, // Altium TSK3000 core - EM_RS08 = 132, // Freescale RS08 embedded processor - EM_SHARC = 133, // Analog Devices SHARC family of 32-bit DSP - // processors - EM_ECOG2 = 134, // Cyan Technology eCOG2 microprocessor - EM_SCORE7 = 135, // Sunplus S+core7 RISC processor - EM_DSP24 = 136, // New Japan Radio (NJR) 24-bit DSP Processor - EM_VIDEOCORE3 = 137, // Broadcom VideoCore III processor - EM_LATTICEMICO32 = 138, // RISC processor for Lattice FPGA architecture - EM_SE_C17 = 139, // Seiko Epson C17 family - EM_TI_C6000 = 140, // The Texas Instruments TMS320C6000 DSP family - EM_TI_C2000 = 141, // The Texas Instruments TMS320C2000 DSP family - EM_TI_C5500 = 142, // The Texas Instruments TMS320C55x DSP family - EM_MMDSP_PLUS = 160, // STMicroelectronics 64bit VLIW Data Signal Processor - EM_CYPRESS_M8C = 161, // Cypress M8C microprocessor - EM_R32C = 162, // Renesas R32C series microprocessors - EM_TRIMEDIA = 163, // NXP Semiconductors TriMedia architecture family - EM_HEXAGON = 164, // Qualcomm Hexagon processor - EM_8051 = 165, // Intel 8051 and variants - EM_STXP7X = 166, // STMicroelectronics STxP7x family of configurable - // and extensible RISC processors - EM_NDS32 = 167, // Andes Technology compact code size embedded RISC - // processor family - EM_ECOG1 = 168, // Cyan Technology eCOG1X family - EM_ECOG1X = 168, // Cyan Technology eCOG1X family - EM_MAXQ30 = 169, // Dallas Semiconductor MAXQ30 Core Micro-controllers - EM_XIMO16 = 170, // New Japan Radio (NJR) 16-bit DSP Processor - EM_MANIK = 171, // M2000 Reconfigurable RISC Microprocessor - EM_CRAYNV2 = 172, // Cray Inc. NV2 vector architecture - EM_RX = 173, // Renesas RX family - EM_METAG = 174, // Imagination Technologies META processor - // architecture - EM_MCST_ELBRUS = 175, // MCST Elbrus general purpose hardware architecture - EM_ECOG16 = 176, // Cyan Technology eCOG16 family - EM_CR16 = 177, // National Semiconductor CompactRISC CR16 16-bit - // microprocessor - EM_ETPU = 178, // Freescale Extended Time Processing Unit - EM_SLE9X = 179, // Infineon Technologies SLE9X core - EM_L10M = 180, // Intel L10M - EM_K10M = 181, // Intel K10M - EM_AARCH64 = 183, // ARM AArch64 - EM_AVR32 = 185, // Atmel Corporation 32-bit microprocessor family - EM_STM8 = 186, // STMicroeletronics STM8 8-bit microcontroller - EM_TILE64 = 187, // Tilera TILE64 multicore architecture family - EM_TILEPRO = 188, // Tilera TILEPro multicore architecture family - EM_CUDA = 190, // NVIDIA CUDA architecture - EM_TILEGX = 191, // Tilera TILE-Gx multicore architecture family - EM_CLOUDSHIELD = 192, // CloudShield architecture family - EM_COREA_1ST = 193, // KIPO-KAIST Core-A 1st generation processor family - EM_COREA_2ND = 194, // KIPO-KAIST Core-A 2nd generation processor family - EM_ARC_COMPACT2 = 195, // Synopsys ARCompact V2 - EM_OPEN8 = 196, // Open8 8-bit RISC soft processor core - EM_RL78 = 197, // Renesas RL78 family - EM_VIDEOCORE5 = 198, // Broadcom VideoCore V processor - EM_78KOR = 199, // Renesas 78KOR family - EM_56800EX = 200, // Freescale 56800EX Digital Signal Controller (DSC) - EM_BA1 = 201, // Beyond BA1 CPU architecture - EM_BA2 = 202, // Beyond BA2 CPU architecture - EM_XCORE = 203, // XMOS xCORE processor family - EM_MCHP_PIC = 204, // Microchip 8-bit PIC(r) family - EM_INTEL205 = 205, // Reserved by Intel - EM_INTEL206 = 206, // Reserved by Intel - EM_INTEL207 = 207, // Reserved by Intel - EM_INTEL208 = 208, // Reserved by Intel - EM_INTEL209 = 209, // Reserved by Intel - EM_KM32 = 210, // KM211 KM32 32-bit processor - EM_KMX32 = 211, // KM211 KMX32 32-bit processor - EM_KMX16 = 212, // KM211 KMX16 16-bit processor - EM_KMX8 = 213, // KM211 KMX8 8-bit processor - EM_KVARC = 214, // KM211 KVARC processor - EM_CDP = 215, // Paneve CDP architecture family - EM_COGE = 216, // Cognitive Smart Memory Processor - EM_COOL = 217, // iCelero CoolEngine - EM_NORC = 218, // Nanoradio Optimized RISC - EM_CSR_KALIMBA = 219, // CSR Kalimba architecture family - EM_AMDGPU = 224, // AMD GPU architecture - EM_RISCV = 243, // RISC-V - EM_LANAI = 244, // Lanai 32-bit processor - EM_BPF = 247, // Linux kernel bpf virtual machine - - // A request has been made to the maintainer of the official registry for - // such numbers for an official value for WebAssembly. As soon as one is - // allocated, this enum will be updated to use it. - EM_WEBASSEMBLY = 0x4157, // WebAssembly architecture -}; - -// Object file classes. -enum { - ELFCLASSNONE = 0, - ELFCLASS32 = 1, // 32-bit object file - ELFCLASS64 = 2 // 64-bit object file -}; - -// Object file byte orderings. -enum { - ELFDATANONE = 0, // Invalid data encoding. - ELFDATA2LSB = 1, // Little-endian object file - ELFDATA2MSB = 2 // Big-endian object file -}; - -// OS ABI identification. -enum { - ELFOSABI_NONE = 0, // UNIX System V ABI - ELFOSABI_HPUX = 1, // HP-UX operating system - ELFOSABI_NETBSD = 2, // NetBSD - ELFOSABI_GNU = 3, // GNU/Linux - ELFOSABI_LINUX = 3, // Historical alias for ELFOSABI_GNU. - ELFOSABI_HURD = 4, // GNU/Hurd - ELFOSABI_SOLARIS = 6, // Solaris - ELFOSABI_AIX = 7, // AIX - ELFOSABI_IRIX = 8, // IRIX - ELFOSABI_FREEBSD = 9, // FreeBSD - ELFOSABI_TRU64 = 10, // TRU64 UNIX - ELFOSABI_MODESTO = 11, // Novell Modesto - ELFOSABI_OPENBSD = 12, // OpenBSD - ELFOSABI_OPENVMS = 13, // OpenVMS - ELFOSABI_NSK = 14, // Hewlett-Packard Non-Stop Kernel - ELFOSABI_AROS = 15, // AROS - ELFOSABI_FENIXOS = 16, // FenixOS - ELFOSABI_CLOUDABI = 17, // Nuxi CloudABI - ELFOSABI_C6000_ELFABI = 64, // Bare-metal TMS320C6000 - ELFOSABI_AMDGPU_HSA = 64, // AMD HSA runtime - ELFOSABI_C6000_LINUX = 65, // Linux TMS320C6000 - ELFOSABI_ARM = 97, // ARM - ELFOSABI_STANDALONE = 255 // Standalone (embedded) application -}; - -#define ELF_RELOC(name, value) name = value, - -// X86_64 relocations. -enum { -#include "ELFRelocs/x86_64.def" -}; - -// i386 relocations. -enum { -#include "ELFRelocs/i386.def" -}; - -// ELF Relocation types for PPC32 -enum { -#include "ELFRelocs/PowerPC.def" -}; - -// Specific e_flags for PPC64 -enum { - // e_flags bits specifying ABI: - // 1 for original ABI using function descriptors, - // 2 for revised ABI without function descriptors, - // 0 for unspecified or not using any features affected by the differences. - EF_PPC64_ABI = 3 -}; - -// Special values for the st_other field in the symbol table entry for PPC64. -enum { - STO_PPC64_LOCAL_BIT = 5, - STO_PPC64_LOCAL_MASK = (7 << STO_PPC64_LOCAL_BIT) -}; -static inline int64_t decodePPC64LocalEntryOffset(unsigned Other) { - unsigned Val = (Other & STO_PPC64_LOCAL_MASK) >> STO_PPC64_LOCAL_BIT; - return ((1 << Val) >> 2) << 2; -} -static inline unsigned encodePPC64LocalEntryOffset(int64_t Offset) { - unsigned Val = - (Offset >= 4 * 4 ? (Offset >= 8 * 4 ? (Offset >= 16 * 4 ? 6 : 5) : 4) - : (Offset >= 2 * 4 ? 3 : (Offset >= 1 * 4 ? 2 : 0))); - return Val << STO_PPC64_LOCAL_BIT; -} - -// ELF Relocation types for PPC64 -enum { -#include "ELFRelocs/PowerPC64.def" -}; - -// ELF Relocation types for AArch64 -enum { -#include "ELFRelocs/AArch64.def" -}; - -// ARM Specific e_flags -enum : unsigned { - EF_ARM_SOFT_FLOAT = 0x00000200U, - EF_ARM_VFP_FLOAT = 0x00000400U, - EF_ARM_EABI_UNKNOWN = 0x00000000U, - EF_ARM_EABI_VER1 = 0x01000000U, - EF_ARM_EABI_VER2 = 0x02000000U, - EF_ARM_EABI_VER3 = 0x03000000U, - EF_ARM_EABI_VER4 = 0x04000000U, - EF_ARM_EABI_VER5 = 0x05000000U, - EF_ARM_EABIMASK = 0xFF000000U -}; - -// ELF Relocation types for ARM -enum { -#include "ELFRelocs/ARM.def" -}; - -// AVR specific e_flags -enum : unsigned { - EF_AVR_ARCH_AVR1 = 1, - EF_AVR_ARCH_AVR2 = 2, - EF_AVR_ARCH_AVR25 = 25, - EF_AVR_ARCH_AVR3 = 3, - EF_AVR_ARCH_AVR31 = 31, - EF_AVR_ARCH_AVR35 = 35, - EF_AVR_ARCH_AVR4 = 4, - EF_AVR_ARCH_AVR5 = 5, - EF_AVR_ARCH_AVR51 = 51, - EF_AVR_ARCH_AVR6 = 6, - EF_AVR_ARCH_AVRTINY = 100, - EF_AVR_ARCH_XMEGA1 = 101, - EF_AVR_ARCH_XMEGA2 = 102, - EF_AVR_ARCH_XMEGA3 = 103, - EF_AVR_ARCH_XMEGA4 = 104, - EF_AVR_ARCH_XMEGA5 = 105, - EF_AVR_ARCH_XMEGA6 = 106, - EF_AVR_ARCH_XMEGA7 = 107 -}; - -// ELF Relocation types for AVR -enum { -#include "ELFRelocs/AVR.def" -}; - -// Mips Specific e_flags -enum : unsigned { - EF_MIPS_NOREORDER = 0x00000001, // Don't reorder instructions - EF_MIPS_PIC = 0x00000002, // Position independent code - EF_MIPS_CPIC = 0x00000004, // Call object with Position independent code - EF_MIPS_ABI2 = 0x00000020, // File uses N32 ABI - EF_MIPS_32BITMODE = 0x00000100, // Code compiled for a 64-bit machine - // in 32-bit mode - EF_MIPS_FP64 = 0x00000200, // Code compiled for a 32-bit machine - // but uses 64-bit FP registers - EF_MIPS_NAN2008 = 0x00000400, // Uses IEE 754-2008 NaN encoding - - // ABI flags - EF_MIPS_ABI_O32 = 0x00001000, // This file follows the first MIPS 32 bit ABI - EF_MIPS_ABI_O64 = 0x00002000, // O32 ABI extended for 64-bit architecture. - EF_MIPS_ABI_EABI32 = 0x00003000, // EABI in 32 bit mode. - EF_MIPS_ABI_EABI64 = 0x00004000, // EABI in 64 bit mode. - EF_MIPS_ABI = 0x0000f000, // Mask for selecting EF_MIPS_ABI_ variant. - - // MIPS machine variant - EF_MIPS_MACH_NONE = 0x00000000, // A standard MIPS implementation. - EF_MIPS_MACH_3900 = 0x00810000, // Toshiba R3900 - EF_MIPS_MACH_4010 = 0x00820000, // LSI R4010 - EF_MIPS_MACH_4100 = 0x00830000, // NEC VR4100 - EF_MIPS_MACH_4650 = 0x00850000, // MIPS R4650 - EF_MIPS_MACH_4120 = 0x00870000, // NEC VR4120 - EF_MIPS_MACH_4111 = 0x00880000, // NEC VR4111/VR4181 - EF_MIPS_MACH_SB1 = 0x008a0000, // Broadcom SB-1 - EF_MIPS_MACH_OCTEON = 0x008b0000, // Cavium Networks Octeon - EF_MIPS_MACH_XLR = 0x008c0000, // RMI Xlr - EF_MIPS_MACH_OCTEON2 = 0x008d0000, // Cavium Networks Octeon2 - EF_MIPS_MACH_OCTEON3 = 0x008e0000, // Cavium Networks Octeon3 - EF_MIPS_MACH_5400 = 0x00910000, // NEC VR5400 - EF_MIPS_MACH_5900 = 0x00920000, // MIPS R5900 - EF_MIPS_MACH_5500 = 0x00980000, // NEC VR5500 - EF_MIPS_MACH_9000 = 0x00990000, // Unknown - EF_MIPS_MACH_LS2E = 0x00a00000, // ST Microelectronics Loongson 2E - EF_MIPS_MACH_LS2F = 0x00a10000, // ST Microelectronics Loongson 2F - EF_MIPS_MACH_LS3A = 0x00a20000, // Loongson 3A - EF_MIPS_MACH = 0x00ff0000, // EF_MIPS_MACH_xxx selection mask - - // ARCH_ASE - EF_MIPS_MICROMIPS = 0x02000000, // microMIPS - EF_MIPS_ARCH_ASE_M16 = 0x04000000, // Has Mips-16 ISA extensions - EF_MIPS_ARCH_ASE_MDMX = 0x08000000, // Has MDMX multimedia extensions - EF_MIPS_ARCH_ASE = 0x0f000000, // Mask for EF_MIPS_ARCH_ASE_xxx flags - - // ARCH - EF_MIPS_ARCH_1 = 0x00000000, // MIPS1 instruction set - EF_MIPS_ARCH_2 = 0x10000000, // MIPS2 instruction set - EF_MIPS_ARCH_3 = 0x20000000, // MIPS3 instruction set - EF_MIPS_ARCH_4 = 0x30000000, // MIPS4 instruction set - EF_MIPS_ARCH_5 = 0x40000000, // MIPS5 instruction set - EF_MIPS_ARCH_32 = 0x50000000, // MIPS32 instruction set per linux not elf.h - EF_MIPS_ARCH_64 = 0x60000000, // MIPS64 instruction set per linux not elf.h - EF_MIPS_ARCH_32R2 = 0x70000000, // mips32r2, mips32r3, mips32r5 - EF_MIPS_ARCH_64R2 = 0x80000000, // mips64r2, mips64r3, mips64r5 - EF_MIPS_ARCH_32R6 = 0x90000000, // mips32r6 - EF_MIPS_ARCH_64R6 = 0xa0000000, // mips64r6 - EF_MIPS_ARCH = 0xf0000000 // Mask for applying EF_MIPS_ARCH_ variant -}; - -// ELF Relocation types for Mips -enum { -#include "ELFRelocs/Mips.def" -}; - -// Special values for the st_other field in the symbol table entry for MIPS. -enum { - STO_MIPS_OPTIONAL = 0x04, // Symbol whose definition is optional - STO_MIPS_PLT = 0x08, // PLT entry related dynamic table record - STO_MIPS_PIC = 0x20, // PIC func in an object mixes PIC/non-PIC - STO_MIPS_MICROMIPS = 0x80, // MIPS Specific ISA for MicroMips - STO_MIPS_MIPS16 = 0xf0 // MIPS Specific ISA for Mips16 -}; - -// .MIPS.options section descriptor kinds -enum { - ODK_NULL = 0, // Undefined - ODK_REGINFO = 1, // Register usage information - ODK_EXCEPTIONS = 2, // Exception processing options - ODK_PAD = 3, // Section padding options - ODK_HWPATCH = 4, // Hardware patches applied - ODK_FILL = 5, // Linker fill value - ODK_TAGS = 6, // Space for tool identification - ODK_HWAND = 7, // Hardware AND patches applied - ODK_HWOR = 8, // Hardware OR patches applied - ODK_GP_GROUP = 9, // GP group to use for text/data sections - ODK_IDENT = 10, // ID information - ODK_PAGESIZE = 11 // Page size information -}; - -// Hexagon-specific e_flags -enum { - // Object processor version flags, bits[11:0] - EF_HEXAGON_MACH_V2 = 0x00000001, // Hexagon V2 - EF_HEXAGON_MACH_V3 = 0x00000002, // Hexagon V3 - EF_HEXAGON_MACH_V4 = 0x00000003, // Hexagon V4 - EF_HEXAGON_MACH_V5 = 0x00000004, // Hexagon V5 - EF_HEXAGON_MACH_V55 = 0x00000005, // Hexagon V55 - EF_HEXAGON_MACH_V60 = 0x00000060, // Hexagon V60 - EF_HEXAGON_MACH_V62 = 0x00000062, // Hexagon V62 - - // Highest ISA version flags - EF_HEXAGON_ISA_MACH = 0x00000000, // Same as specified in bits[11:0] - // of e_flags - EF_HEXAGON_ISA_V2 = 0x00000010, // Hexagon V2 ISA - EF_HEXAGON_ISA_V3 = 0x00000020, // Hexagon V3 ISA - EF_HEXAGON_ISA_V4 = 0x00000030, // Hexagon V4 ISA - EF_HEXAGON_ISA_V5 = 0x00000040, // Hexagon V5 ISA - EF_HEXAGON_ISA_V55 = 0x00000050, // Hexagon V55 ISA - EF_HEXAGON_ISA_V60 = 0x00000060, // Hexagon V60 ISA - EF_HEXAGON_ISA_V62 = 0x00000062, // Hexagon V62 ISA -}; - -// Hexagon-specific section indexes for common small data -enum { - SHN_HEXAGON_SCOMMON = 0xff00, // Other access sizes - SHN_HEXAGON_SCOMMON_1 = 0xff01, // Byte-sized access - SHN_HEXAGON_SCOMMON_2 = 0xff02, // Half-word-sized access - SHN_HEXAGON_SCOMMON_4 = 0xff03, // Word-sized access - SHN_HEXAGON_SCOMMON_8 = 0xff04 // Double-word-size access -}; - -// ELF Relocation types for Hexagon -enum { -#include "ELFRelocs/Hexagon.def" -}; - -// ELF Relocation type for Lanai. -enum { -#include "ELFRelocs/Lanai.def" -}; - -// ELF Relocation types for RISC-V -enum { -#include "ELFRelocs/RISCV.def" -}; - -// ELF Relocation types for S390/zSeries -enum { -#include "ELFRelocs/SystemZ.def" -}; - -// ELF Relocation type for Sparc. -enum { -#include "ELFRelocs/Sparc.def" -}; - -// ELF Relocation types for WebAssembly -enum { -#include "ELFRelocs/WebAssembly.def" -}; - -// ELF Relocation types for AMDGPU -enum { -#include "ELFRelocs/AMDGPU.def" -}; - -// ELF Relocation types for BPF -enum { -#include "ELFRelocs/BPF.def" -}; - -#undef ELF_RELOC - -// Section header. -struct Elf32_Shdr { - Elf32_Word sh_name; // Section name (index into string table) - Elf32_Word sh_type; // Section type (SHT_*) - Elf32_Word sh_flags; // Section flags (SHF_*) - Elf32_Addr sh_addr; // Address where section is to be loaded - Elf32_Off sh_offset; // File offset of section data, in bytes - Elf32_Word sh_size; // Size of section, in bytes - Elf32_Word sh_link; // Section type-specific header table index link - Elf32_Word sh_info; // Section type-specific extra information - Elf32_Word sh_addralign; // Section address alignment - Elf32_Word sh_entsize; // Size of records contained within the section -}; - -// Section header for ELF64 - same fields as ELF32, different types. -struct Elf64_Shdr { - Elf64_Word sh_name; - Elf64_Word sh_type; - Elf64_Xword sh_flags; - Elf64_Addr sh_addr; - Elf64_Off sh_offset; - Elf64_Xword sh_size; - Elf64_Word sh_link; - Elf64_Word sh_info; - Elf64_Xword sh_addralign; - Elf64_Xword sh_entsize; -}; - -// Special section indices. -enum { - SHN_UNDEF = 0, // Undefined, missing, irrelevant, or meaningless - SHN_LORESERVE = 0xff00, // Lowest reserved index - SHN_LOPROC = 0xff00, // Lowest processor-specific index - SHN_HIPROC = 0xff1f, // Highest processor-specific index - SHN_LOOS = 0xff20, // Lowest operating system-specific index - SHN_HIOS = 0xff3f, // Highest operating system-specific index - SHN_ABS = 0xfff1, // Symbol has absolute value; does not need relocation - SHN_COMMON = 0xfff2, // FORTRAN COMMON or C external global variables - SHN_XINDEX = 0xffff, // Mark that the index is >= SHN_LORESERVE - SHN_HIRESERVE = 0xffff // Highest reserved index -}; - -// Section types. -enum : unsigned { - SHT_NULL = 0, // No associated section (inactive entry). - SHT_PROGBITS = 1, // Program-defined contents. - SHT_SYMTAB = 2, // Symbol table. - SHT_STRTAB = 3, // String table. - SHT_RELA = 4, // Relocation entries; explicit addends. - SHT_HASH = 5, // Symbol hash table. - SHT_DYNAMIC = 6, // Information for dynamic linking. - SHT_NOTE = 7, // Information about the file. - SHT_NOBITS = 8, // Data occupies no space in the file. - SHT_REL = 9, // Relocation entries; no explicit addends. - SHT_SHLIB = 10, // Reserved. - SHT_DYNSYM = 11, // Symbol table. - SHT_INIT_ARRAY = 14, // Pointers to initialization functions. - SHT_FINI_ARRAY = 15, // Pointers to termination functions. - SHT_PREINIT_ARRAY = 16, // Pointers to pre-init functions. - SHT_GROUP = 17, // Section group. - SHT_SYMTAB_SHNDX = 18, // Indices for SHN_XINDEX entries. - SHT_LOOS = 0x60000000, // Lowest operating system-specific type. - SHT_GNU_ATTRIBUTES = 0x6ffffff5, // Object attributes. - SHT_GNU_HASH = 0x6ffffff6, // GNU-style hash table. - SHT_GNU_verdef = 0x6ffffffd, // GNU version definitions. - SHT_GNU_verneed = 0x6ffffffe, // GNU version references. - SHT_GNU_versym = 0x6fffffff, // GNU symbol versions table. - SHT_HIOS = 0x6fffffff, // Highest operating system-specific type. - SHT_LOPROC = 0x70000000, // Lowest processor arch-specific type. - // Fixme: All this is duplicated in MCSectionELF. Why?? - // Exception Index table - SHT_ARM_EXIDX = 0x70000001U, - // BPABI DLL dynamic linking pre-emption map - SHT_ARM_PREEMPTMAP = 0x70000002U, - // Object file compatibility attributes - SHT_ARM_ATTRIBUTES = 0x70000003U, - SHT_ARM_DEBUGOVERLAY = 0x70000004U, - SHT_ARM_OVERLAYSECTION = 0x70000005U, - SHT_HEX_ORDERED = 0x70000000, // Link editor is to sort the entries in - // this section based on their sizes - SHT_X86_64_UNWIND = 0x70000001, // Unwind information - - SHT_MIPS_REGINFO = 0x70000006, // Register usage information - SHT_MIPS_OPTIONS = 0x7000000d, // General options - SHT_MIPS_DWARF = 0x7000001e, // DWARF debugging section. - SHT_MIPS_ABIFLAGS = 0x7000002a, // ABI information. - - SHT_HIPROC = 0x7fffffff, // Highest processor arch-specific type. - SHT_LOUSER = 0x80000000, // Lowest type reserved for applications. - SHT_HIUSER = 0xffffffff // Highest type reserved for applications. -}; - -// Section flags. -enum : unsigned { - // Section data should be writable during execution. - SHF_WRITE = 0x1, - - // Section occupies memory during program execution. - SHF_ALLOC = 0x2, - - // Section contains executable machine instructions. - SHF_EXECINSTR = 0x4, - - // The data in this section may be merged. - SHF_MERGE = 0x10, - - // The data in this section is null-terminated strings. - SHF_STRINGS = 0x20, - - // A field in this section holds a section header table index. - SHF_INFO_LINK = 0x40U, - - // Adds special ordering requirements for link editors. - SHF_LINK_ORDER = 0x80U, - - // This section requires special OS-specific processing to avoid incorrect - // behavior. - SHF_OS_NONCONFORMING = 0x100U, - - // This section is a member of a section group. - SHF_GROUP = 0x200U, - - // This section holds Thread-Local Storage. - SHF_TLS = 0x400U, - - // Identifies a section containing compressed data. - SHF_COMPRESSED = 0x800U, - - // This section is excluded from the final executable or shared library. - SHF_EXCLUDE = 0x80000000U, - - // Start of target-specific flags. - - SHF_MASKOS = 0x0ff00000, - - // Bits indicating processor-specific flags. - SHF_MASKPROC = 0xf0000000, - - /// All sections with the "d" flag are grouped together by the linker to form - /// the data section and the dp register is set to the start of the section by - /// the boot code. - XCORE_SHF_DP_SECTION = 0x10000000, - - /// All sections with the "c" flag are grouped together by the linker to form - /// the constant pool and the cp register is set to the start of the constant - /// pool by the boot code. - XCORE_SHF_CP_SECTION = 0x20000000, - - // If an object file section does not have this flag set, then it may not hold - // more than 2GB and can be freely referred to in objects using smaller code - // models. Otherwise, only objects using larger code models can refer to them. - // For example, a medium code model object can refer to data in a section that - // sets this flag besides being able to refer to data in a section that does - // not set it; likewise, a small code model object can refer only to code in a - // section that does not set this flag. - SHF_X86_64_LARGE = 0x10000000, - - // All sections with the GPREL flag are grouped into a global data area - // for faster accesses - SHF_HEX_GPREL = 0x10000000, - - // Section contains text/data which may be replicated in other sections. - // Linker must retain only one copy. - SHF_MIPS_NODUPES = 0x01000000, - - // Linker must generate implicit hidden weak names. - SHF_MIPS_NAMES = 0x02000000, - - // Section data local to process. - SHF_MIPS_LOCAL = 0x04000000, - - // Do not strip this section. - SHF_MIPS_NOSTRIP = 0x08000000, - - // Section must be part of global data area. - SHF_MIPS_GPREL = 0x10000000, - - // This section should be merged. - SHF_MIPS_MERGE = 0x20000000, - - // Address size to be inferred from section entry size. - SHF_MIPS_ADDR = 0x40000000, - - // Section data is string data by default. - SHF_MIPS_STRING = 0x80000000, - - // Make code section unreadable when in execute-only mode - SHF_ARM_PURECODE = 0x20000000, - - SHF_AMDGPU_HSA_GLOBAL = 0x00100000, - SHF_AMDGPU_HSA_READONLY = 0x00200000, - SHF_AMDGPU_HSA_CODE = 0x00400000, - SHF_AMDGPU_HSA_AGENT = 0x00800000 -}; - -// Section Group Flags -enum : unsigned { - GRP_COMDAT = 0x1, - GRP_MASKOS = 0x0ff00000, - GRP_MASKPROC = 0xf0000000 -}; - -// Symbol table entries for ELF32. -struct Elf32_Sym { - Elf32_Word st_name; // Symbol name (index into string table) - Elf32_Addr st_value; // Value or address associated with the symbol - Elf32_Word st_size; // Size of the symbol - unsigned char st_info; // Symbol's type and binding attributes - unsigned char st_other; // Must be zero; reserved - Elf32_Half st_shndx; // Which section (header table index) it's defined in - - // These accessors and mutators correspond to the ELF32_ST_BIND, - // ELF32_ST_TYPE, and ELF32_ST_INFO macros defined in the ELF specification: - unsigned char getBinding() const { return st_info >> 4; } - unsigned char getType() const { return st_info & 0x0f; } - void setBinding(unsigned char b) { setBindingAndType(b, getType()); } - void setType(unsigned char t) { setBindingAndType(getBinding(), t); } - void setBindingAndType(unsigned char b, unsigned char t) { - st_info = (b << 4) + (t & 0x0f); - } -}; - -// Symbol table entries for ELF64. -struct Elf64_Sym { - Elf64_Word st_name; // Symbol name (index into string table) - unsigned char st_info; // Symbol's type and binding attributes - unsigned char st_other; // Must be zero; reserved - Elf64_Half st_shndx; // Which section (header tbl index) it's defined in - Elf64_Addr st_value; // Value or address associated with the symbol - Elf64_Xword st_size; // Size of the symbol - - // These accessors and mutators are identical to those defined for ELF32 - // symbol table entries. - unsigned char getBinding() const { return st_info >> 4; } - unsigned char getType() const { return st_info & 0x0f; } - void setBinding(unsigned char b) { setBindingAndType(b, getType()); } - void setType(unsigned char t) { setBindingAndType(getBinding(), t); } - void setBindingAndType(unsigned char b, unsigned char t) { - st_info = (b << 4) + (t & 0x0f); - } -}; - -// The size (in bytes) of symbol table entries. -enum { - SYMENTRY_SIZE32 = 16, // 32-bit symbol entry size - SYMENTRY_SIZE64 = 24 // 64-bit symbol entry size. -}; - -// Symbol bindings. -enum { - STB_LOCAL = 0, // Local symbol, not visible outside obj file containing def - STB_GLOBAL = 1, // Global symbol, visible to all object files being combined - STB_WEAK = 2, // Weak symbol, like global but lower-precedence - STB_GNU_UNIQUE = 10, - STB_LOOS = 10, // Lowest operating system-specific binding type - STB_HIOS = 12, // Highest operating system-specific binding type - STB_LOPROC = 13, // Lowest processor-specific binding type - STB_HIPROC = 15 // Highest processor-specific binding type -}; - -// Symbol types. -enum { - STT_NOTYPE = 0, // Symbol's type is not specified - STT_OBJECT = 1, // Symbol is a data object (variable, array, etc.) - STT_FUNC = 2, // Symbol is executable code (function, etc.) - STT_SECTION = 3, // Symbol refers to a section - STT_FILE = 4, // Local, absolute symbol that refers to a file - STT_COMMON = 5, // An uninitialized common block - STT_TLS = 6, // Thread local data object - STT_GNU_IFUNC = 10, // GNU indirect function - STT_LOOS = 10, // Lowest operating system-specific symbol type - STT_HIOS = 12, // Highest operating system-specific symbol type - STT_LOPROC = 13, // Lowest processor-specific symbol type - STT_HIPROC = 15, // Highest processor-specific symbol type - - // AMDGPU symbol types - STT_AMDGPU_HSA_KERNEL = 10, - STT_AMDGPU_HSA_INDIRECT_FUNCTION = 11, - STT_AMDGPU_HSA_METADATA = 12 -}; - -enum { - STV_DEFAULT = 0, // Visibility is specified by binding type - STV_INTERNAL = 1, // Defined by processor supplements - STV_HIDDEN = 2, // Not visible to other components - STV_PROTECTED = 3 // Visible in other components but not preemptable -}; - -// Symbol number. -enum { STN_UNDEF = 0 }; - -// Special relocation symbols used in the MIPS64 ELF relocation entries -enum { - RSS_UNDEF = 0, // None - RSS_GP = 1, // Value of gp - RSS_GP0 = 2, // Value of gp used to create object being relocated - RSS_LOC = 3 // Address of location being relocated -}; - -// Relocation entry, without explicit addend. -struct Elf32_Rel { - Elf32_Addr r_offset; // Location (file byte offset, or program virtual addr) - Elf32_Word r_info; // Symbol table index and type of relocation to apply - - // These accessors and mutators correspond to the ELF32_R_SYM, ELF32_R_TYPE, - // and ELF32_R_INFO macros defined in the ELF specification: - Elf32_Word getSymbol() const { return (r_info >> 8); } - unsigned char getType() const { return (unsigned char)(r_info & 0x0ff); } - void setSymbol(Elf32_Word s) { setSymbolAndType(s, getType()); } - void setType(unsigned char t) { setSymbolAndType(getSymbol(), t); } - void setSymbolAndType(Elf32_Word s, unsigned char t) { - r_info = (s << 8) + t; - } -}; - -// Relocation entry with explicit addend. -struct Elf32_Rela { - Elf32_Addr r_offset; // Location (file byte offset, or program virtual addr) - Elf32_Word r_info; // Symbol table index and type of relocation to apply - Elf32_Sword r_addend; // Compute value for relocatable field by adding this - - // These accessors and mutators correspond to the ELF32_R_SYM, ELF32_R_TYPE, - // and ELF32_R_INFO macros defined in the ELF specification: - Elf32_Word getSymbol() const { return (r_info >> 8); } - unsigned char getType() const { return (unsigned char)(r_info & 0x0ff); } - void setSymbol(Elf32_Word s) { setSymbolAndType(s, getType()); } - void setType(unsigned char t) { setSymbolAndType(getSymbol(), t); } - void setSymbolAndType(Elf32_Word s, unsigned char t) { - r_info = (s << 8) + t; - } -}; - -// Relocation entry, without explicit addend. -struct Elf64_Rel { - Elf64_Addr r_offset; // Location (file byte offset, or program virtual addr). - Elf64_Xword r_info; // Symbol table index and type of relocation to apply. - - // These accessors and mutators correspond to the ELF64_R_SYM, ELF64_R_TYPE, - // and ELF64_R_INFO macros defined in the ELF specification: - Elf64_Word getSymbol() const { return (r_info >> 32); } - Elf64_Word getType() const { return (Elf64_Word)(r_info & 0xffffffffL); } - void setSymbol(Elf64_Word s) { setSymbolAndType(s, getType()); } - void setType(Elf64_Word t) { setSymbolAndType(getSymbol(), t); } - void setSymbolAndType(Elf64_Word s, Elf64_Word t) { - r_info = ((Elf64_Xword)s << 32) + (t & 0xffffffffL); - } -}; - -// Relocation entry with explicit addend. -struct Elf64_Rela { - Elf64_Addr r_offset; // Location (file byte offset, or program virtual addr). - Elf64_Xword r_info; // Symbol table index and type of relocation to apply. - Elf64_Sxword r_addend; // Compute value for relocatable field by adding this. - - // These accessors and mutators correspond to the ELF64_R_SYM, ELF64_R_TYPE, - // and ELF64_R_INFO macros defined in the ELF specification: - Elf64_Word getSymbol() const { return (r_info >> 32); } - Elf64_Word getType() const { return (Elf64_Word)(r_info & 0xffffffffL); } - void setSymbol(Elf64_Word s) { setSymbolAndType(s, getType()); } - void setType(Elf64_Word t) { setSymbolAndType(getSymbol(), t); } - void setSymbolAndType(Elf64_Word s, Elf64_Word t) { - r_info = ((Elf64_Xword)s << 32) + (t & 0xffffffffL); - } -}; - -// Program header for ELF32. -struct Elf32_Phdr { - Elf32_Word p_type; // Type of segment - Elf32_Off p_offset; // File offset where segment is located, in bytes - Elf32_Addr p_vaddr; // Virtual address of beginning of segment - Elf32_Addr p_paddr; // Physical address of beginning of segment (OS-specific) - Elf32_Word p_filesz; // Num. of bytes in file image of segment (may be zero) - Elf32_Word p_memsz; // Num. of bytes in mem image of segment (may be zero) - Elf32_Word p_flags; // Segment flags - Elf32_Word p_align; // Segment alignment constraint -}; - -// Program header for ELF64. -struct Elf64_Phdr { - Elf64_Word p_type; // Type of segment - Elf64_Word p_flags; // Segment flags - Elf64_Off p_offset; // File offset where segment is located, in bytes - Elf64_Addr p_vaddr; // Virtual address of beginning of segment - Elf64_Addr p_paddr; // Physical addr of beginning of segment (OS-specific) - Elf64_Xword p_filesz; // Num. of bytes in file image of segment (may be zero) - Elf64_Xword p_memsz; // Num. of bytes in mem image of segment (may be zero) - Elf64_Xword p_align; // Segment alignment constraint -}; - -// Segment types. -enum { - PT_NULL = 0, // Unused segment. - PT_LOAD = 1, // Loadable segment. - PT_DYNAMIC = 2, // Dynamic linking information. - PT_INTERP = 3, // Interpreter pathname. - PT_NOTE = 4, // Auxiliary information. - PT_SHLIB = 5, // Reserved. - PT_PHDR = 6, // The program header table itself. - PT_TLS = 7, // The thread-local storage template. - PT_LOOS = 0x60000000, // Lowest operating system-specific pt entry type. - PT_HIOS = 0x6fffffff, // Highest operating system-specific pt entry type. - PT_LOPROC = 0x70000000, // Lowest processor-specific program hdr entry type. - PT_HIPROC = 0x7fffffff, // Highest processor-specific program hdr entry type. - - // x86-64 program header types. - // These all contain stack unwind tables. - PT_GNU_EH_FRAME = 0x6474e550, - PT_SUNW_EH_FRAME = 0x6474e550, - PT_SUNW_UNWIND = 0x6464e550, - - PT_GNU_STACK = 0x6474e551, // Indicates stack executability. - PT_GNU_RELRO = 0x6474e552, // Read-only after relocation. - - PT_OPENBSD_RANDOMIZE = 0x65a3dbe6, // Fill with random data. - PT_OPENBSD_WXNEEDED = 0x65a3dbe7, // Program does W^X violations. - PT_OPENBSD_BOOTDATA = 0x65a41be6, // Section for boot arguments. - - // ARM program header types. - PT_ARM_ARCHEXT = 0x70000000, // Platform architecture compatibility info - // These all contain stack unwind tables. - PT_ARM_EXIDX = 0x70000001, - PT_ARM_UNWIND = 0x70000001, - - // MIPS program header types. - PT_MIPS_REGINFO = 0x70000000, // Register usage information. - PT_MIPS_RTPROC = 0x70000001, // Runtime procedure table. - PT_MIPS_OPTIONS = 0x70000002, // Options segment. - PT_MIPS_ABIFLAGS = 0x70000003, // Abiflags segment. - - // AMDGPU program header types. - PT_AMDGPU_HSA_LOAD_GLOBAL_PROGRAM = 0x60000000, - PT_AMDGPU_HSA_LOAD_GLOBAL_AGENT = 0x60000001, - PT_AMDGPU_HSA_LOAD_READONLY_AGENT = 0x60000002, - PT_AMDGPU_HSA_LOAD_CODE_AGENT = 0x60000003, - - // WebAssembly program header types. - PT_WEBASSEMBLY_FUNCTIONS = PT_LOPROC + 0, // Function definitions. -}; - -// Segment flag bits. -enum : unsigned { - PF_X = 1, // Execute - PF_W = 2, // Write - PF_R = 4, // Read - PF_MASKOS = 0x0ff00000, // Bits for operating system-specific semantics. - PF_MASKPROC = 0xf0000000 // Bits for processor-specific semantics. -}; - -// Dynamic table entry for ELF32. -struct Elf32_Dyn { - Elf32_Sword d_tag; // Type of dynamic table entry. - union { - Elf32_Word d_val; // Integer value of entry. - Elf32_Addr d_ptr; // Pointer value of entry. - } d_un; -}; - -// Dynamic table entry for ELF64. -struct Elf64_Dyn { - Elf64_Sxword d_tag; // Type of dynamic table entry. - union { - Elf64_Xword d_val; // Integer value of entry. - Elf64_Addr d_ptr; // Pointer value of entry. - } d_un; -}; - -// Dynamic table entry tags. -enum { - DT_NULL = 0, // Marks end of dynamic array. - DT_NEEDED = 1, // String table offset of needed library. - DT_PLTRELSZ = 2, // Size of relocation entries in PLT. - DT_PLTGOT = 3, // Address associated with linkage table. - DT_HASH = 4, // Address of symbolic hash table. - DT_STRTAB = 5, // Address of dynamic string table. - DT_SYMTAB = 6, // Address of dynamic symbol table. - DT_RELA = 7, // Address of relocation table (Rela entries). - DT_RELASZ = 8, // Size of Rela relocation table. - DT_RELAENT = 9, // Size of a Rela relocation entry. - DT_STRSZ = 10, // Total size of the string table. - DT_SYMENT = 11, // Size of a symbol table entry. - DT_INIT = 12, // Address of initialization function. - DT_FINI = 13, // Address of termination function. - DT_SONAME = 14, // String table offset of a shared objects name. - DT_RPATH = 15, // String table offset of library search path. - DT_SYMBOLIC = 16, // Changes symbol resolution algorithm. - DT_REL = 17, // Address of relocation table (Rel entries). - DT_RELSZ = 18, // Size of Rel relocation table. - DT_RELENT = 19, // Size of a Rel relocation entry. - DT_PLTREL = 20, // Type of relocation entry used for linking. - DT_DEBUG = 21, // Reserved for debugger. - DT_TEXTREL = 22, // Relocations exist for non-writable segments. - DT_JMPREL = 23, // Address of relocations associated with PLT. - DT_BIND_NOW = 24, // Process all relocations before execution. - DT_INIT_ARRAY = 25, // Pointer to array of initialization functions. - DT_FINI_ARRAY = 26, // Pointer to array of termination functions. - DT_INIT_ARRAYSZ = 27, // Size of DT_INIT_ARRAY. - DT_FINI_ARRAYSZ = 28, // Size of DT_FINI_ARRAY. - DT_RUNPATH = 29, // String table offset of lib search path. - DT_FLAGS = 30, // Flags. - DT_ENCODING = 32, // Values from here to DT_LOOS follow the rules - // for the interpretation of the d_un union. - - DT_PREINIT_ARRAY = 32, // Pointer to array of preinit functions. - DT_PREINIT_ARRAYSZ = 33, // Size of the DT_PREINIT_ARRAY array. - - DT_LOOS = 0x60000000, // Start of environment specific tags. - DT_HIOS = 0x6FFFFFFF, // End of environment specific tags. - DT_LOPROC = 0x70000000, // Start of processor specific tags. - DT_HIPROC = 0x7FFFFFFF, // End of processor specific tags. - - DT_GNU_HASH = 0x6FFFFEF5, // Reference to the GNU hash table. - DT_TLSDESC_PLT = - 0x6FFFFEF6, // Location of PLT entry for TLS descriptor resolver calls. - DT_TLSDESC_GOT = 0x6FFFFEF7, // Location of GOT entry used by TLS descriptor - // resolver PLT entry. - DT_RELACOUNT = 0x6FFFFFF9, // ELF32_Rela count. - DT_RELCOUNT = 0x6FFFFFFA, // ELF32_Rel count. - - DT_FLAGS_1 = 0X6FFFFFFB, // Flags_1. - DT_VERSYM = 0x6FFFFFF0, // The address of .gnu.version section. - DT_VERDEF = 0X6FFFFFFC, // The address of the version definition table. - DT_VERDEFNUM = 0X6FFFFFFD, // The number of entries in DT_VERDEF. - DT_VERNEED = 0X6FFFFFFE, // The address of the version Dependency table. - DT_VERNEEDNUM = 0X6FFFFFFF, // The number of entries in DT_VERNEED. - - // Hexagon specific dynamic table entries - DT_HEXAGON_SYMSZ = 0x70000000, - DT_HEXAGON_VER = 0x70000001, - DT_HEXAGON_PLT = 0x70000002, - - // Mips specific dynamic table entry tags. - DT_MIPS_RLD_VERSION = 0x70000001, // 32 bit version number for runtime - // linker interface. - DT_MIPS_TIME_STAMP = 0x70000002, // Time stamp. - DT_MIPS_ICHECKSUM = 0x70000003, // Checksum of external strings - // and common sizes. - DT_MIPS_IVERSION = 0x70000004, // Index of version string - // in string table. - DT_MIPS_FLAGS = 0x70000005, // 32 bits of flags. - DT_MIPS_BASE_ADDRESS = 0x70000006, // Base address of the segment. - DT_MIPS_MSYM = 0x70000007, // Address of .msym section. - DT_MIPS_CONFLICT = 0x70000008, // Address of .conflict section. - DT_MIPS_LIBLIST = 0x70000009, // Address of .liblist section. - DT_MIPS_LOCAL_GOTNO = 0x7000000a, // Number of local global offset - // table entries. - DT_MIPS_CONFLICTNO = 0x7000000b, // Number of entries - // in the .conflict section. - DT_MIPS_LIBLISTNO = 0x70000010, // Number of entries - // in the .liblist section. - DT_MIPS_SYMTABNO = 0x70000011, // Number of entries - // in the .dynsym section. - DT_MIPS_UNREFEXTNO = 0x70000012, // Index of first external dynamic symbol - // not referenced locally. - DT_MIPS_GOTSYM = 0x70000013, // Index of first dynamic symbol - // in global offset table. - DT_MIPS_HIPAGENO = 0x70000014, // Number of page table entries - // in global offset table. - DT_MIPS_RLD_MAP = 0x70000016, // Address of run time loader map, - // used for debugging. - DT_MIPS_DELTA_CLASS = 0x70000017, // Delta C++ class definition. - DT_MIPS_DELTA_CLASS_NO = 0x70000018, // Number of entries - // in DT_MIPS_DELTA_CLASS. - DT_MIPS_DELTA_INSTANCE = 0x70000019, // Delta C++ class instances. - DT_MIPS_DELTA_INSTANCE_NO = 0x7000001A, // Number of entries - // in DT_MIPS_DELTA_INSTANCE. - DT_MIPS_DELTA_RELOC = 0x7000001B, // Delta relocations. - DT_MIPS_DELTA_RELOC_NO = 0x7000001C, // Number of entries - // in DT_MIPS_DELTA_RELOC. - DT_MIPS_DELTA_SYM = 0x7000001D, // Delta symbols that Delta - // relocations refer to. - DT_MIPS_DELTA_SYM_NO = 0x7000001E, // Number of entries - // in DT_MIPS_DELTA_SYM. - DT_MIPS_DELTA_CLASSSYM = 0x70000020, // Delta symbols that hold - // class declarations. - DT_MIPS_DELTA_CLASSSYM_NO = 0x70000021, // Number of entries - // in DT_MIPS_DELTA_CLASSSYM. - DT_MIPS_CXX_FLAGS = 0x70000022, // Flags indicating information - // about C++ flavor. - DT_MIPS_PIXIE_INIT = 0x70000023, // Pixie information. - DT_MIPS_SYMBOL_LIB = 0x70000024, // Address of .MIPS.symlib - DT_MIPS_LOCALPAGE_GOTIDX = 0x70000025, // The GOT index of the first PTE - // for a segment - DT_MIPS_LOCAL_GOTIDX = 0x70000026, // The GOT index of the first PTE - // for a local symbol - DT_MIPS_HIDDEN_GOTIDX = 0x70000027, // The GOT index of the first PTE - // for a hidden symbol - DT_MIPS_PROTECTED_GOTIDX = 0x70000028, // The GOT index of the first PTE - // for a protected symbol - DT_MIPS_OPTIONS = 0x70000029, // Address of `.MIPS.options'. - DT_MIPS_INTERFACE = 0x7000002A, // Address of `.interface'. - DT_MIPS_DYNSTR_ALIGN = 0x7000002B, // Unknown. - DT_MIPS_INTERFACE_SIZE = 0x7000002C, // Size of the .interface section. - DT_MIPS_RLD_TEXT_RESOLVE_ADDR = 0x7000002D, // Size of rld_text_resolve - // function stored in the GOT. - DT_MIPS_PERF_SUFFIX = 0x7000002E, // Default suffix of DSO to be added - // by rld on dlopen() calls. - DT_MIPS_COMPACT_SIZE = 0x7000002F, // Size of compact relocation - // section (O32). - DT_MIPS_GP_VALUE = 0x70000030, // GP value for auxiliary GOTs. - DT_MIPS_AUX_DYNAMIC = 0x70000031, // Address of auxiliary .dynamic. - DT_MIPS_PLTGOT = 0x70000032, // Address of the base of the PLTGOT. - DT_MIPS_RWPLT = 0x70000034, // Points to the base - // of a writable PLT. - DT_MIPS_RLD_MAP_REL = 0x70000035, // Relative offset of run time loader - // map, used for debugging. - - // Sun machine-independent extensions. - DT_AUXILIARY = 0x7FFFFFFD, // Shared object to load before self - DT_FILTER = 0x7FFFFFFF // Shared object to get values from -}; - -// DT_FLAGS values. -enum { - DF_ORIGIN = 0x01, // The object may reference $ORIGIN. - DF_SYMBOLIC = 0x02, // Search the shared lib before searching the exe. - DF_TEXTREL = 0x04, // Relocations may modify a non-writable segment. - DF_BIND_NOW = 0x08, // Process all relocations on load. - DF_STATIC_TLS = 0x10 // Reject attempts to load dynamically. -}; - -// State flags selectable in the `d_un.d_val' element of the DT_FLAGS_1 entry. -enum { - DF_1_NOW = 0x00000001, // Set RTLD_NOW for this object. - DF_1_GLOBAL = 0x00000002, // Set RTLD_GLOBAL for this object. - DF_1_GROUP = 0x00000004, // Set RTLD_GROUP for this object. - DF_1_NODELETE = 0x00000008, // Set RTLD_NODELETE for this object. - DF_1_LOADFLTR = 0x00000010, // Trigger filtee loading at runtime. - DF_1_INITFIRST = 0x00000020, // Set RTLD_INITFIRST for this object. - DF_1_NOOPEN = 0x00000040, // Set RTLD_NOOPEN for this object. - DF_1_ORIGIN = 0x00000080, // $ORIGIN must be handled. - DF_1_DIRECT = 0x00000100, // Direct binding enabled. - DF_1_TRANS = 0x00000200, - DF_1_INTERPOSE = 0x00000400, // Object is used to interpose. - DF_1_NODEFLIB = 0x00000800, // Ignore default lib search path. - DF_1_NODUMP = 0x00001000, // Object can't be dldump'ed. - DF_1_CONFALT = 0x00002000, // Configuration alternative created. - DF_1_ENDFILTEE = 0x00004000, // Filtee terminates filters search. - DF_1_DISPRELDNE = 0x00008000, // Disp reloc applied at build time. - DF_1_DISPRELPND = 0x00010000, // Disp reloc applied at run-time. - DF_1_NODIRECT = 0x00020000, // Object has no-direct binding. - DF_1_IGNMULDEF = 0x00040000, - DF_1_NOKSYMS = 0x00080000, - DF_1_NOHDR = 0x00100000, - DF_1_EDITED = 0x00200000, // Object is modified after built. - DF_1_NORELOC = 0x00400000, - DF_1_SYMINTPOSE = 0x00800000, // Object has individual interposers. - DF_1_GLOBAUDIT = 0x01000000, // Global auditing required. - DF_1_SINGLETON = 0x02000000 // Singleton symbols are used. -}; - -// DT_MIPS_FLAGS values. -enum { - RHF_NONE = 0x00000000, // No flags. - RHF_QUICKSTART = 0x00000001, // Uses shortcut pointers. - RHF_NOTPOT = 0x00000002, // Hash size is not a power of two. - RHS_NO_LIBRARY_REPLACEMENT = 0x00000004, // Ignore LD_LIBRARY_PATH. - RHF_NO_MOVE = 0x00000008, // DSO address may not be relocated. - RHF_SGI_ONLY = 0x00000010, // SGI specific features. - RHF_GUARANTEE_INIT = 0x00000020, // Guarantee that .init will finish - // executing before any non-init - // code in DSO is called. - RHF_DELTA_C_PLUS_PLUS = 0x00000040, // Contains Delta C++ code. - RHF_GUARANTEE_START_INIT = 0x00000080, // Guarantee that .init will start - // executing before any non-init - // code in DSO is called. - RHF_PIXIE = 0x00000100, // Generated by pixie. - RHF_DEFAULT_DELAY_LOAD = 0x00000200, // Delay-load DSO by default. - RHF_REQUICKSTART = 0x00000400, // Object may be requickstarted - RHF_REQUICKSTARTED = 0x00000800, // Object has been requickstarted - RHF_CORD = 0x00001000, // Generated by cord. - RHF_NO_UNRES_UNDEF = 0x00002000, // Object contains no unresolved - // undef symbols. - RHF_RLD_ORDER_SAFE = 0x00004000 // Symbol table is in a safe order. -}; - -// ElfXX_VerDef structure version (GNU versioning) -enum { VER_DEF_NONE = 0, VER_DEF_CURRENT = 1 }; - -// VerDef Flags (ElfXX_VerDef::vd_flags) -enum { VER_FLG_BASE = 0x1, VER_FLG_WEAK = 0x2, VER_FLG_INFO = 0x4 }; - -// Special constants for the version table. (SHT_GNU_versym/.gnu.version) -enum { - VER_NDX_LOCAL = 0, // Unversioned local symbol - VER_NDX_GLOBAL = 1, // Unversioned global symbol - VERSYM_VERSION = 0x7fff, // Version Index mask - VERSYM_HIDDEN = 0x8000 // Hidden bit (non-default version) -}; - -// ElfXX_VerNeed structure version (GNU versioning) -enum { VER_NEED_NONE = 0, VER_NEED_CURRENT = 1 }; - -// SHT_NOTE section types -enum { - NT_FREEBSD_THRMISC = 7, - NT_FREEBSD_PROCSTAT_PROC = 8, - NT_FREEBSD_PROCSTAT_FILES = 9, - NT_FREEBSD_PROCSTAT_VMMAP = 10, - NT_FREEBSD_PROCSTAT_GROUPS = 11, - NT_FREEBSD_PROCSTAT_UMASK = 12, - NT_FREEBSD_PROCSTAT_RLIMIT = 13, - NT_FREEBSD_PROCSTAT_OSREL = 14, - NT_FREEBSD_PROCSTAT_PSSTRINGS = 15, - NT_FREEBSD_PROCSTAT_AUXV = 16, -}; - -enum { - NT_GNU_ABI_TAG = 1, - NT_GNU_HWCAP = 2, - NT_GNU_BUILD_ID = 3, - NT_GNU_GOLD_VERSION = 4, -}; - -enum { - GNU_ABI_TAG_LINUX = 0, - GNU_ABI_TAG_HURD = 1, - GNU_ABI_TAG_SOLARIS = 2, - GNU_ABI_TAG_FREEBSD = 3, - GNU_ABI_TAG_NETBSD = 4, - GNU_ABI_TAG_SYLLABLE = 5, - GNU_ABI_TAG_NACL = 6, -}; - -// Compressed section header for ELF32. -struct Elf32_Chdr { - Elf32_Word ch_type; - Elf32_Word ch_size; - Elf32_Word ch_addralign; -}; - -// Compressed section header for ELF64. -struct Elf64_Chdr { - Elf64_Word ch_type; - Elf64_Word ch_reserved; - Elf64_Xword ch_size; - Elf64_Xword ch_addralign; -}; - -// Legal values for ch_type field of compressed section header. -enum { - ELFCOMPRESS_ZLIB = 1, // ZLIB/DEFLATE algorithm. - ELFCOMPRESS_LOOS = 0x60000000, // Start of OS-specific. - ELFCOMPRESS_HIOS = 0x6fffffff, // End of OS-specific. - ELFCOMPRESS_LOPROC = 0x70000000, // Start of processor-specific. - ELFCOMPRESS_HIPROC = 0x7fffffff // End of processor-specific. -}; - -} // end namespace ELF - -} // end namespace llvm - -#endif |