#ifndef LLVM_SUPPORT_ELF_H
#define LLVM_SUPPORT_ELF_H
+#include "llvm/Support/Compiler.h"
#include "llvm/Support/DataTypes.h"
#include <cstring>
namespace ELF {
typedef uint32_t Elf32_Addr; // Program address
-typedef uint16_t Elf32_Half;
typedef uint32_t Elf32_Off; // File offset
-typedef int32_t Elf32_Sword;
+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 int32_t Elf64_Shalf;
-typedef int32_t Elf64_Sword;
+typedef uint16_t Elf64_Half;
typedef uint32_t Elf64_Word;
-typedef int64_t Elf64_Sxword;
+typedef int32_t Elf64_Sword;
typedef uint64_t Elf64_Xword;
-typedef uint32_t Elf64_Half;
-typedef uint16_t Elf64_Quarter;
+typedef int64_t Elf64_Sxword;
// Object file magic string.
static const char ElfMagic[] = { 0x7f, 'E', 'L', 'F', '\0' };
// types (see above).
struct Elf64_Ehdr {
unsigned char e_ident[EI_NIDENT];
- Elf64_Quarter e_type;
- Elf64_Quarter e_machine;
- Elf64_Half e_version;
+ 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_Half e_flags;
- Elf64_Quarter e_ehsize;
- Elf64_Quarter e_phentsize;
- Elf64_Quarter e_phnum;
- Elf64_Quarter e_shentsize;
- Elf64_Quarter e_shnum;
- Elf64_Quarter e_shstrndx;
+ 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;
}
};
// 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_486 = 6, // Intel 486 (deprecated)
- EM_860 = 7, // Intel 80860
- EM_MIPS = 8, // MIPS R3000
- EM_PPC = 20, // PowerPC
- EM_PPC64 = 21, // PowerPC64
- EM_ARM = 40, // ARM
- EM_ALPHA = 41, // DEC Alpha
- EM_SPARCV9 = 43, // SPARC V9
- EM_X86_64 = 62, // AMD64
- EM_MBLAZE = 47787 // Xilinx MicroBlaze
+ 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_486 = 6, // Intel 486 (deprecated)
+ 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
};
// Object file classes.
ELFOSABI_NONE = 0, // UNIX System V ABI
ELFOSABI_HPUX = 1, // HP-UX operating system
ELFOSABI_NETBSD = 2, // NetBSD
- ELFOSABI_LINUX = 3, // GNU/Linux
+ 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_STANDALONE = 255 // Standalone (embedded) application
};
+#define ELF_RELOC(name, value) name = value,
+
// X86_64 relocations.
enum {
- R_X86_64_NONE = 0,
- R_X86_64_64 = 1,
- R_X86_64_PC32 = 2,
- R_X86_64_GOT32 = 3,
- R_X86_64_PLT32 = 4,
- R_X86_64_COPY = 5,
- R_X86_64_GLOB_DAT = 6,
- R_X86_64_JUMP_SLOT = 7,
- R_X86_64_RELATIVE = 8,
- R_X86_64_GOTPCREL = 9,
- R_X86_64_32 = 10,
- R_X86_64_32S = 11,
- R_X86_64_16 = 12,
- R_X86_64_PC16 = 13,
- R_X86_64_8 = 14,
- R_X86_64_PC8 = 15,
- R_X86_64_DTPMOD64 = 16,
- R_X86_64_DTPOFF64 = 17,
- R_X86_64_TPOFF64 = 18,
- R_X86_64_TLSGD = 19,
- R_X86_64_TLSLD = 20,
- R_X86_64_DTPOFF32 = 21,
- R_X86_64_GOTTPOFF = 22,
- R_X86_64_TPOFF32 = 23,
- R_X86_64_PC64 = 24,
- R_X86_64_GOTOFF64 = 25,
- R_X86_64_GOTPC32 = 26,
- R_X86_64_SIZE32 = 32,
- R_X86_64_SIZE64 = 33,
- R_X86_64_GOTPC32_TLSDESC = 34,
- R_X86_64_TLSDESC_CALL = 35,
- R_X86_64_TLSDESC = 36
+#include "ELFRelocs/x86_64.def"
};
// i386 relocations.
-// TODO: this is just a subset
-enum {
- R_386_NONE = 0,
- R_386_32 = 1,
- R_386_PC32 = 2,
- R_386_GOT32 = 3,
- R_386_PLT32 = 4,
- R_386_COPY = 5,
- R_386_GLOB_DAT = 6,
- R_386_JUMP_SLOT = 7,
- R_386_RELATIVE = 8,
- R_386_GOTOFF = 9,
- R_386_GOTPC = 10,
- R_386_32PLT = 11,
- R_386_TLS_TPOFF = 14,
- R_386_TLS_IE = 15,
- R_386_TLS_GOTIE = 16,
- R_386_TLS_LE = 17,
- R_386_TLS_GD = 18,
- R_386_TLS_LDM = 19,
- R_386_16 = 20,
- R_386_PC16 = 21,
- R_386_8 = 22,
- R_386_PC8 = 23,
- R_386_TLS_GD_32 = 24,
- R_386_TLS_GD_PUSH = 25,
- R_386_TLS_GD_CALL = 26,
- R_386_TLS_GD_POP = 27,
- R_386_TLS_LDM_32 = 28,
- R_386_TLS_LDM_PUSH = 29,
- R_386_TLS_LDM_CALL = 30,
- R_386_TLS_LDM_POP = 31,
- R_386_TLS_LDO_32 = 32,
- R_386_TLS_IE_32 = 33,
- R_386_TLS_LE_32 = 34,
- R_386_TLS_DTPMOD32 = 35,
- R_386_TLS_DTPOFF32 = 36,
- R_386_TLS_TPOFF32 = 37,
- R_386_TLS_GOTDESC = 39,
- R_386_TLS_DESC_CALL = 40,
- R_386_TLS_DESC = 41,
- R_386_IRELATIVE = 42,
- R_386_NUM = 43
-};
-
-// MBlaze relocations.
-enum {
- R_MICROBLAZE_NONE = 0,
- R_MICROBLAZE_32 = 1,
- R_MICROBLAZE_32_PCREL = 2,
- R_MICROBLAZE_64_PCREL = 3,
- R_MICROBLAZE_32_PCREL_LO = 4,
- R_MICROBLAZE_64 = 5,
- R_MICROBLAZE_32_LO = 6,
- R_MICROBLAZE_SRO32 = 7,
- R_MICROBLAZE_SRW32 = 8,
- R_MICROBLAZE_64_NONE = 9,
- R_MICROBLAZE_32_SYM_OP_SYM = 10,
- R_MICROBLAZE_GNU_VTINHERIT = 11,
- R_MICROBLAZE_GNU_VTENTRY = 12,
- R_MICROBLAZE_GOTPC_64 = 13,
- R_MICROBLAZE_GOT_64 = 14,
- R_MICROBLAZE_PLT_64 = 15,
- R_MICROBLAZE_REL = 16,
- R_MICROBLAZE_JUMP_SLOT = 17,
- R_MICROBLAZE_GLOB_DAT = 18,
- R_MICROBLAZE_GOTOFF_64 = 19,
- R_MICROBLAZE_GOTOFF_32 = 20,
- R_MICROBLAZE_COPY = 21
+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
-// Meets 2.08 ABI Specs.
-
-enum {
- R_ARM_NONE = 0x00,
- R_ARM_PC24 = 0x01,
- R_ARM_ABS32 = 0x02,
- R_ARM_REL32 = 0x03,
- R_ARM_LDR_PC_G0 = 0x04,
- R_ARM_ABS16 = 0x05,
- R_ARM_ABS12 = 0x06,
- R_ARM_THM_ABS5 = 0x07,
- R_ARM_ABS8 = 0x08,
- R_ARM_SBREL32 = 0x09,
- R_ARM_THM_CALL = 0x0a,
- R_ARM_THM_PC8 = 0x0b,
- R_ARM_BREL_ADJ = 0x0c,
- R_ARM_TLS_DESC = 0x0d,
- R_ARM_THM_SWI8 = 0x0e,
- R_ARM_XPC25 = 0x0f,
- R_ARM_THM_XPC22 = 0x10,
- R_ARM_TLS_DTPMOD32 = 0x11,
- R_ARM_TLS_DTPOFF32 = 0x12,
- R_ARM_TLS_TPOFF32 = 0x13,
- R_ARM_COPY = 0x14,
- R_ARM_GLOB_DAT = 0x15,
- R_ARM_JUMP_SLOT = 0x16,
- R_ARM_RELATIVE = 0x17,
- R_ARM_GOTOFF32 = 0x18,
- R_ARM_BASE_PREL = 0x19,
- R_ARM_GOT_BREL = 0x1a,
- R_ARM_PLT32 = 0x1b,
- R_ARM_CALL = 0x1c,
- R_ARM_JUMP24 = 0x1d,
- R_ARM_THM_JUMP24 = 0x1e,
- R_ARM_BASE_ABS = 0x1f,
- R_ARM_ALU_PCREL_7_0 = 0x20,
- R_ARM_ALU_PCREL_15_8 = 0x21,
- R_ARM_ALU_PCREL_23_15 = 0x22,
- R_ARM_LDR_SBREL_11_0_NC = 0x23,
- R_ARM_ALU_SBREL_19_12_NC = 0x24,
- R_ARM_ALU_SBREL_27_20_CK = 0x25,
- R_ARM_TARGET1 = 0x26,
- R_ARM_SBREL31 = 0x27,
- R_ARM_V4BX = 0x28,
- R_ARM_TARGET2 = 0x29,
- R_ARM_PREL31 = 0x2a,
- R_ARM_MOVW_ABS_NC = 0x2b,
- R_ARM_MOVT_ABS = 0x2c,
- R_ARM_MOVW_PREL_NC = 0x2d,
- R_ARM_MOVT_PREL = 0x2e,
- R_ARM_THM_MOVW_ABS_NC = 0x2f,
- R_ARM_THM_MOVT_ABS = 0x30,
- R_ARM_THM_MOVW_PREL_NC = 0x31,
- R_ARM_THM_MOVT_PREL = 0x32,
- R_ARM_THM_JUMP19 = 0x33,
- R_ARM_THM_JUMP6 = 0x34,
- R_ARM_THM_ALU_PREL_11_0 = 0x35,
- R_ARM_THM_PC12 = 0x36,
- R_ARM_ABS32_NOI = 0x37,
- R_ARM_REL32_NOI = 0x38,
- R_ARM_ALU_PC_G0_NC = 0x39,
- R_ARM_ALU_PC_G0 = 0x3a,
- R_ARM_ALU_PC_G1_NC = 0x3b,
- R_ARM_ALU_PC_G1 = 0x3c,
- R_ARM_ALU_PC_G2 = 0x3d,
- R_ARM_LDR_PC_G1 = 0x3e,
- R_ARM_LDR_PC_G2 = 0x3f,
- R_ARM_LDRS_PC_G0 = 0x40,
- R_ARM_LDRS_PC_G1 = 0x41,
- R_ARM_LDRS_PC_G2 = 0x42,
- R_ARM_LDC_PC_G0 = 0x43,
- R_ARM_LDC_PC_G1 = 0x44,
- R_ARM_LDC_PC_G2 = 0x45,
- R_ARM_ALU_SB_G0_NC = 0x46,
- R_ARM_ALU_SB_G0 = 0x47,
- R_ARM_ALU_SB_G1_NC = 0x48,
- R_ARM_ALU_SB_G1 = 0x49,
- R_ARM_ALU_SB_G2 = 0x4a,
- R_ARM_LDR_SB_G0 = 0x4b,
- R_ARM_LDR_SB_G1 = 0x4c,
- R_ARM_LDR_SB_G2 = 0x4d,
- R_ARM_LDRS_SB_G0 = 0x4e,
- R_ARM_LDRS_SB_G1 = 0x4f,
- R_ARM_LDRS_SB_G2 = 0x50,
- R_ARM_LDC_SB_G0 = 0x51,
- R_ARM_LDC_SB_G1 = 0x52,
- R_ARM_LDC_SB_G2 = 0x53,
- R_ARM_MOVW_BREL_NC = 0x54,
- R_ARM_MOVT_BREL = 0x55,
- R_ARM_MOVW_BREL = 0x56,
- R_ARM_THM_MOVW_BREL_NC = 0x57,
- R_ARM_THM_MOVT_BREL = 0x58,
- R_ARM_THM_MOVW_BREL = 0x59,
- R_ARM_TLS_GOTDESC = 0x5a,
- R_ARM_TLS_CALL = 0x5b,
- R_ARM_TLS_DESCSEQ = 0x5c,
- R_ARM_THM_TLS_CALL = 0x5d,
- R_ARM_PLT32_ABS = 0x5e,
- R_ARM_GOT_ABS = 0x5f,
- R_ARM_GOT_PREL = 0x60,
- R_ARM_GOT_BREL12 = 0x61,
- R_ARM_GOTOFF12 = 0x62,
- R_ARM_GOTRELAX = 0x63,
- R_ARM_GNU_VTENTRY = 0x64,
- R_ARM_GNU_VTINHERIT = 0x65,
- R_ARM_THM_JUMP11 = 0x66,
- R_ARM_THM_JUMP8 = 0x67,
- R_ARM_TLS_GD32 = 0x68,
- R_ARM_TLS_LDM32 = 0x69,
- R_ARM_TLS_LDO32 = 0x6a,
- R_ARM_TLS_IE32 = 0x6b,
- R_ARM_TLS_LE32 = 0x6c,
- R_ARM_TLS_LDO12 = 0x6d,
- R_ARM_TLS_LE12 = 0x6e,
- R_ARM_TLS_IE12GP = 0x6f,
- R_ARM_PRIVATE_0 = 0x70,
- R_ARM_PRIVATE_1 = 0x71,
- R_ARM_PRIVATE_2 = 0x72,
- R_ARM_PRIVATE_3 = 0x73,
- R_ARM_PRIVATE_4 = 0x74,
- R_ARM_PRIVATE_5 = 0x75,
- R_ARM_PRIVATE_6 = 0x76,
- R_ARM_PRIVATE_7 = 0x77,
- R_ARM_PRIVATE_8 = 0x78,
- R_ARM_PRIVATE_9 = 0x79,
- R_ARM_PRIVATE_10 = 0x7a,
- R_ARM_PRIVATE_11 = 0x7b,
- R_ARM_PRIVATE_12 = 0x7c,
- R_ARM_PRIVATE_13 = 0x7d,
- R_ARM_PRIVATE_14 = 0x7e,
- R_ARM_PRIVATE_15 = 0x7f,
- R_ARM_ME_TOO = 0x80,
- R_ARM_THM_TLS_DESCSEQ16 = 0x81,
- R_ARM_THM_TLS_DESCSEQ32 = 0x82
+enum {
+#include "ELFRelocs/ARM.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,
+ EF_MIPS_32BITMODE = 0x00000100,
+ 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.
+
+ //ARCH_ASE
+ EF_MIPS_MICROMIPS = 0x02000000, // microMIPS
+ EF_MIPS_ARCH_ASE_M16 =
+ 0x04000000, // Has Mips-16 ISA extensions
+ //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
+ EF_MIPS_ARCH_64R2 = 0x80000000, // mips64r2
+ 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
+};
+
+// Hexagon Specific e_flags
+// Release 5 ABI
+enum {
+ // Object processor version flags, bits[3:0]
+ 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
+
+ // Highest ISA version flags
+ EF_HEXAGON_ISA_MACH = 0x00000000, // Same as specified in bits[3:0]
+ // 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
+};
+
+// Hexagon specific Section indexes for common small data
+// Release 5 ABI
+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 types for S390/zSeries
+enum {
+#include "ELFRelocs/SystemZ.def"
};
+// ELF Relocation type for Sparc.
+enum {
+#include "ELFRelocs/Sparc.def"
+};
+#undef ELF_RELOC
// Section header.
struct Elf32_Shdr {
// Section header for ELF64 - same fields as ELF32, different types.
struct Elf64_Shdr {
- Elf64_Half sh_name;
- Elf64_Half sh_type;
+ 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_Half sh_link;
- Elf64_Half sh_info;
+ Elf64_Word sh_link;
+ Elf64_Word sh_info;
Elf64_Xword sh_addralign;
Elf64_Xword sh_entsize;
};
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
};
// Section types.
-enum {
+enum : unsigned {
SHT_NULL = 0, // No associated section (inactive entry).
SHT_PROGBITS = 1, // Program-defined contents.
SHT_SYMTAB = 2, // Symbol table.
SHT_REL = 9, // Relocation entries; no explicit addends.
SHT_SHLIB = 10, // Reserved.
SHT_DYNSYM = 11, // Symbol table.
- SHT_INIT_ARRAY = 14, // Pointers to initialisation functions.
+ 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, // Indicies for SHN_XINDEX entries.
+ 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 architecture-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,
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_HIPROC = 0x7fffffff, // Highest processor architecture-specific type.
+ SHT_MIPS_REGINFO = 0x70000006, // Register usage information
+ SHT_MIPS_OPTIONS = 0x7000000d, // General options
+ 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 {
+enum : unsigned {
// Section data should be writable during execution.
SHF_WRITE = 0x1,
// This section holds Thread-Local Storage.
SHF_TLS = 0x400U,
+ // This section is excluded from the final executable or shared library.
+ SHF_EXCLUDE = 0x80000000U,
+
// Start of target-specific flags.
/// XCORE_SHF_CP_SECTION - All sections with the "c" flag are grouped
/// set to the start of the section by the boot code.
XCORE_SHF_DP_SECTION = 0x1000U,
+ SHF_MASKOS = 0x0ff00000,
+
// Bits indicating processor-specific flags.
- SHF_MASKPROC = 0xf0000000
+ SHF_MASKPROC = 0xf0000000,
+
+ // 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
};
// Section Group Flags
-enum {
+enum : unsigned {
GRP_COMDAT = 0x1,
GRP_MASKOS = 0x0ff00000,
GRP_MASKPROC = 0xf0000000
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 table index) it's defined in
+ 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
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_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
};
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 uninitialised common block
+ STT_COMMON = 5, // An uninitialized common block
STT_TLS = 6, // Thread local data object
+ STT_LOOS = 7, // Lowest operating system-specific symbol type
+ STT_HIOS = 8, // Highest operating system-specific symbol type
+ STT_GNU_IFUNC = 10, // GNU indirect function
STT_LOPROC = 13, // Lowest processor-specific symbol type
STT_HIPROC = 15 // Highest processor-specific symbol type
};
STV_PROTECTED = 3 // Visible in other components but not preemptable
};
+// Symbol number.
+enum {
+ STN_UNDEF = 0
+};
+
// Relocation entry, without explicit addend.
struct Elf32_Rel {
Elf32_Addr r_offset; // Location (file byte offset, or program virtual addr)
// These accessors and mutators correspond to the ELF64_R_SYM, ELF64_R_TYPE,
// and ELF64_R_INFO macros defined in the ELF specification:
- Elf64_Xword getSymbol() const { return (r_info >> 32); }
- unsigned char getType() const {
- return (unsigned char) (r_info & 0xffffffffL);
+ Elf64_Word getSymbol() const { return (r_info >> 32); }
+ Elf64_Word getType() const {
+ return (Elf64_Word) (r_info & 0xffffffffL);
}
- void setSymbol(Elf32_Word s) { setSymbolAndType(s, getType()); }
- void setType(unsigned char t) { setSymbolAndType(getSymbol(), t); }
- void setSymbolAndType(Elf64_Xword s, unsigned char t) {
- r_info = (s << 32) + (t&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);
}
};
// These accessors and mutators correspond to the ELF64_R_SYM, ELF64_R_TYPE,
// and ELF64_R_INFO macros defined in the ELF specification:
- Elf64_Xword getSymbol() const { return (r_info >> 32); }
- unsigned char getType() const {
- return (unsigned char) (r_info & 0xffffffffL);
+ Elf64_Word getSymbol() const { return (r_info >> 32); }
+ Elf64_Word getType() const {
+ return (Elf64_Word) (r_info & 0xffffffffL);
}
- void setSymbol(Elf64_Xword s) { setSymbolAndType(s, getType()); }
- void setType(unsigned char t) { setSymbolAndType(getSymbol(), t); }
- void setSymbolAndType(Elf64_Xword s, unsigned char t) {
- r_info = (s << 32) + (t&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);
}
};
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 address of beginning of segment (OS-specific)
+ 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
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.
+ 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.
+
+ // 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.
};
// Segment flag bits.
-enum {
+enum : unsigned {
PF_X = 1, // Execute
PF_W = 2, // Write
PF_R = 4, // Read
- PF_MASKPROC = 0xf0000000 // Unspecified
+ PF_MASKOS = 0x0ff00000,// Bits for operating system-specific semantics.
+ PF_MASKPROC = 0xf0000000 // Bits for processor-specific semantics.
};
// Dynamic table entry for ELF32.
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 segements.
+ 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_HIPROC = 0x7FFFFFFF, // End of processor specific tags.
+
+ DT_GNU_HASH = 0x6FFFFEF5, // Reference to the GNU hash table.
+ 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.
+
+ // 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_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.
+};
+
+// 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
};
} // end namespace ELF
projects / oota-llvm.git / blobdiff