1.7.5.1Copyright © 2003-2013 University of Illinois at Urbana-Champaign. All Rights Reserved.
LLVM API Documentation
00001 //===-- llvm/Support/ELF.h - ELF constants and data structures --*- C++ -*-===// 00002 // 00003 // The LLVM Compiler Infrastructure 00004 // 00005 // This file is distributed under the University of Illinois Open Source 00006 // License. See LICENSE.TXT for details. 00007 // 00008 //===----------------------------------------------------------------------===// 00009 // 00010 // This header contains common, non-processor-specific data structures and 00011 // constants for the ELF file format. 00012 // 00013 // The details of the ELF32 bits in this file are largely based on the Tool 00014 // Interface Standard (TIS) Executable and Linking Format (ELF) Specification 00015 // Version 1.2, May 1995. The ELF64 stuff is based on ELF-64 Object File Format 00016 // Version 1.5, Draft 2, May 1998 as well as OpenBSD header files. 00017 // 00018 //===----------------------------------------------------------------------===// 00019 00020 #ifndef LLVM_SUPPORT_ELF_H 00021 #define LLVM_SUPPORT_ELF_H 00022 00023 #include "llvm/Support/DataTypes.h" 00024 #include <cstring> 00025 00026 namespace llvm { 00027 00028 namespace ELF { 00029 00030 typedef uint32_t Elf32_Addr; // Program address 00031 typedef uint32_t Elf32_Off; // File offset 00032 typedef uint16_t Elf32_Half; 00033 typedef uint32_t Elf32_Word; 00034 typedef int32_t Elf32_Sword; 00035 00036 typedef uint64_t Elf64_Addr; 00037 typedef uint64_t Elf64_Off; 00038 typedef uint16_t Elf64_Half; 00039 typedef uint32_t Elf64_Word; 00040 typedef int32_t Elf64_Sword; 00041 typedef uint64_t Elf64_Xword; 00042 typedef int64_t Elf64_Sxword; 00043 00044 // Object file magic string. 00045 static const char ElfMagic[] = { 0x7f, 'E', 'L', 'F', '\0' }; 00046 00047 // e_ident size and indices. 00048 enum { 00049 EI_MAG0 = 0, // File identification index. 00050 EI_MAG1 = 1, // File identification index. 00051 EI_MAG2 = 2, // File identification index. 00052 EI_MAG3 = 3, // File identification index. 00053 EI_CLASS = 4, // File class. 00054 EI_DATA = 5, // Data encoding. 00055 EI_VERSION = 6, // File version. 00056 EI_OSABI = 7, // OS/ABI identification. 00057 EI_ABIVERSION = 8, // ABI version. 00058 EI_PAD = 9, // Start of padding bytes. 00059 EI_NIDENT = 16 // Number of bytes in e_ident. 00060 }; 00061 00062 struct Elf32_Ehdr { 00063 unsigned char e_ident[EI_NIDENT]; // ELF Identification bytes 00064 Elf32_Half e_type; // Type of file (see ET_* below) 00065 Elf32_Half e_machine; // Required architecture for this file (see EM_*) 00066 Elf32_Word e_version; // Must be equal to 1 00067 Elf32_Addr e_entry; // Address to jump to in order to start program 00068 Elf32_Off e_phoff; // Program header table's file offset, in bytes 00069 Elf32_Off e_shoff; // Section header table's file offset, in bytes 00070 Elf32_Word e_flags; // Processor-specific flags 00071 Elf32_Half e_ehsize; // Size of ELF header, in bytes 00072 Elf32_Half e_phentsize; // Size of an entry in the program header table 00073 Elf32_Half e_phnum; // Number of entries in the program header table 00074 Elf32_Half e_shentsize; // Size of an entry in the section header table 00075 Elf32_Half e_shnum; // Number of entries in the section header table 00076 Elf32_Half e_shstrndx; // Sect hdr table index of sect name string table 00077 bool checkMagic() const { 00078 return (memcmp(e_ident, ElfMagic, strlen(ElfMagic))) == 0; 00079 } 00080 unsigned char getFileClass() const { return e_ident[EI_CLASS]; } 00081 unsigned char getDataEncoding() const { return e_ident[EI_DATA]; } 00082 }; 00083 00084 // 64-bit ELF header. Fields are the same as for ELF32, but with different 00085 // types (see above). 00086 struct Elf64_Ehdr { 00087 unsigned char e_ident[EI_NIDENT]; 00088 Elf64_Half e_type; 00089 Elf64_Half e_machine; 00090 Elf64_Word e_version; 00091 Elf64_Addr e_entry; 00092 Elf64_Off e_phoff; 00093 Elf64_Off e_shoff; 00094 Elf64_Word e_flags; 00095 Elf64_Half e_ehsize; 00096 Elf64_Half e_phentsize; 00097 Elf64_Half e_phnum; 00098 Elf64_Half e_shentsize; 00099 Elf64_Half e_shnum; 00100 Elf64_Half e_shstrndx; 00101 bool checkMagic() const { 00102 return (memcmp(e_ident, ElfMagic, strlen(ElfMagic))) == 0; 00103 } 00104 unsigned char getFileClass() const { return e_ident[EI_CLASS]; } 00105 unsigned char getDataEncoding() const { return e_ident[EI_DATA]; } 00106 }; 00107 00108 // File types 00109 enum { 00110 ET_NONE = 0, // No file type 00111 ET_REL = 1, // Relocatable file 00112 ET_EXEC = 2, // Executable file 00113 ET_DYN = 3, // Shared object file 00114 ET_CORE = 4, // Core file 00115 ET_LOPROC = 0xff00, // Beginning of processor-specific codes 00116 ET_HIPROC = 0xffff // Processor-specific 00117 }; 00118 00119 // Versioning 00120 enum { 00121 EV_NONE = 0, 00122 EV_CURRENT = 1 00123 }; 00124 00125 // Machine architectures 00126 enum { 00127 EM_NONE = 0, // No machine 00128 EM_M32 = 1, // AT&T WE 32100 00129 EM_SPARC = 2, // SPARC 00130 EM_386 = 3, // Intel 386 00131 EM_68K = 4, // Motorola 68000 00132 EM_88K = 5, // Motorola 88000 00133 EM_486 = 6, // Intel 486 (deprecated) 00134 EM_860 = 7, // Intel 80860 00135 EM_MIPS = 8, // MIPS R3000 00136 EM_S370 = 9, // IBM System/370 00137 EM_MIPS_RS3_LE = 10, // MIPS RS3000 Little-endian 00138 EM_PARISC = 15, // Hewlett-Packard PA-RISC 00139 EM_VPP500 = 17, // Fujitsu VPP500 00140 EM_SPARC32PLUS = 18, // Enhanced instruction set SPARC 00141 EM_960 = 19, // Intel 80960 00142 EM_PPC = 20, // PowerPC 00143 EM_PPC64 = 21, // PowerPC64 00144 EM_S390 = 22, // IBM System/390 00145 EM_SPU = 23, // IBM SPU/SPC 00146 EM_V800 = 36, // NEC V800 00147 EM_FR20 = 37, // Fujitsu FR20 00148 EM_RH32 = 38, // TRW RH-32 00149 EM_RCE = 39, // Motorola RCE 00150 EM_ARM = 40, // ARM 00151 EM_ALPHA = 41, // DEC Alpha 00152 EM_SH = 42, // Hitachi SH 00153 EM_SPARCV9 = 43, // SPARC V9 00154 EM_TRICORE = 44, // Siemens TriCore 00155 EM_ARC = 45, // Argonaut RISC Core 00156 EM_H8_300 = 46, // Hitachi H8/300 00157 EM_H8_300H = 47, // Hitachi H8/300H 00158 EM_H8S = 48, // Hitachi H8S 00159 EM_H8_500 = 49, // Hitachi H8/500 00160 EM_IA_64 = 50, // Intel IA-64 processor architecture 00161 EM_MIPS_X = 51, // Stanford MIPS-X 00162 EM_COLDFIRE = 52, // Motorola ColdFire 00163 EM_68HC12 = 53, // Motorola M68HC12 00164 EM_MMA = 54, // Fujitsu MMA Multimedia Accelerator 00165 EM_PCP = 55, // Siemens PCP 00166 EM_NCPU = 56, // Sony nCPU embedded RISC processor 00167 EM_NDR1 = 57, // Denso NDR1 microprocessor 00168 EM_STARCORE = 58, // Motorola Star*Core processor 00169 EM_ME16 = 59, // Toyota ME16 processor 00170 EM_ST100 = 60, // STMicroelectronics ST100 processor 00171 EM_TINYJ = 61, // Advanced Logic Corp. TinyJ embedded processor family 00172 EM_X86_64 = 62, // AMD x86-64 architecture 00173 EM_PDSP = 63, // Sony DSP Processor 00174 EM_PDP10 = 64, // Digital Equipment Corp. PDP-10 00175 EM_PDP11 = 65, // Digital Equipment Corp. PDP-11 00176 EM_FX66 = 66, // Siemens FX66 microcontroller 00177 EM_ST9PLUS = 67, // STMicroelectronics ST9+ 8/16 bit microcontroller 00178 EM_ST7 = 68, // STMicroelectronics ST7 8-bit microcontroller 00179 EM_68HC16 = 69, // Motorola MC68HC16 Microcontroller 00180 EM_68HC11 = 70, // Motorola MC68HC11 Microcontroller 00181 EM_68HC08 = 71, // Motorola MC68HC08 Microcontroller 00182 EM_68HC05 = 72, // Motorola MC68HC05 Microcontroller 00183 EM_SVX = 73, // Silicon Graphics SVx 00184 EM_ST19 = 74, // STMicroelectronics ST19 8-bit microcontroller 00185 EM_VAX = 75, // Digital VAX 00186 EM_CRIS = 76, // Axis Communications 32-bit embedded processor 00187 EM_JAVELIN = 77, // Infineon Technologies 32-bit embedded processor 00188 EM_FIREPATH = 78, // Element 14 64-bit DSP Processor 00189 EM_ZSP = 79, // LSI Logic 16-bit DSP Processor 00190 EM_MMIX = 80, // Donald Knuth's educational 64-bit processor 00191 EM_HUANY = 81, // Harvard University machine-independent object files 00192 EM_PRISM = 82, // SiTera Prism 00193 EM_AVR = 83, // Atmel AVR 8-bit microcontroller 00194 EM_FR30 = 84, // Fujitsu FR30 00195 EM_D10V = 85, // Mitsubishi D10V 00196 EM_D30V = 86, // Mitsubishi D30V 00197 EM_V850 = 87, // NEC v850 00198 EM_M32R = 88, // Mitsubishi M32R 00199 EM_MN10300 = 89, // Matsushita MN10300 00200 EM_MN10200 = 90, // Matsushita MN10200 00201 EM_PJ = 91, // picoJava 00202 EM_OPENRISC = 92, // OpenRISC 32-bit embedded processor 00203 EM_ARC_COMPACT = 93, // ARC International ARCompact processor (old 00204 // spelling/synonym: EM_ARC_A5) 00205 EM_XTENSA = 94, // Tensilica Xtensa Architecture 00206 EM_VIDEOCORE = 95, // Alphamosaic VideoCore processor 00207 EM_TMM_GPP = 96, // Thompson Multimedia General Purpose Processor 00208 EM_NS32K = 97, // National Semiconductor 32000 series 00209 EM_TPC = 98, // Tenor Network TPC processor 00210 EM_SNP1K = 99, // Trebia SNP 1000 processor 00211 EM_ST200 = 100, // STMicroelectronics (www.st.com) ST200 00212 EM_IP2K = 101, // Ubicom IP2xxx microcontroller family 00213 EM_MAX = 102, // MAX Processor 00214 EM_CR = 103, // National Semiconductor CompactRISC microprocessor 00215 EM_F2MC16 = 104, // Fujitsu F2MC16 00216 EM_MSP430 = 105, // Texas Instruments embedded microcontroller msp430 00217 EM_BLACKFIN = 106, // Analog Devices Blackfin (DSP) processor 00218 EM_SE_C33 = 107, // S1C33 Family of Seiko Epson processors 00219 EM_SEP = 108, // Sharp embedded microprocessor 00220 EM_ARCA = 109, // Arca RISC Microprocessor 00221 EM_UNICORE = 110, // Microprocessor series from PKU-Unity Ltd. and MPRC 00222 // of Peking University 00223 EM_EXCESS = 111, // eXcess: 16/32/64-bit configurable embedded CPU 00224 EM_DXP = 112, // Icera Semiconductor Inc. Deep Execution Processor 00225 EM_ALTERA_NIOS2 = 113, // Altera Nios II soft-core processor 00226 EM_CRX = 114, // National Semiconductor CompactRISC CRX 00227 EM_XGATE = 115, // Motorola XGATE embedded processor 00228 EM_C166 = 116, // Infineon C16x/XC16x processor 00229 EM_M16C = 117, // Renesas M16C series microprocessors 00230 EM_DSPIC30F = 118, // Microchip Technology dsPIC30F Digital Signal 00231 // Controller 00232 EM_CE = 119, // Freescale Communication Engine RISC core 00233 EM_M32C = 120, // Renesas M32C series microprocessors 00234 EM_TSK3000 = 131, // Altium TSK3000 core 00235 EM_RS08 = 132, // Freescale RS08 embedded processor 00236 EM_SHARC = 133, // Analog Devices SHARC family of 32-bit DSP 00237 // processors 00238 EM_ECOG2 = 134, // Cyan Technology eCOG2 microprocessor 00239 EM_SCORE7 = 135, // Sunplus S+core7 RISC processor 00240 EM_DSP24 = 136, // New Japan Radio (NJR) 24-bit DSP Processor 00241 EM_VIDEOCORE3 = 137, // Broadcom VideoCore III processor 00242 EM_LATTICEMICO32 = 138, // RISC processor for Lattice FPGA architecture 00243 EM_SE_C17 = 139, // Seiko Epson C17 family 00244 EM_TI_C6000 = 140, // The Texas Instruments TMS320C6000 DSP family 00245 EM_TI_C2000 = 141, // The Texas Instruments TMS320C2000 DSP family 00246 EM_TI_C5500 = 142, // The Texas Instruments TMS320C55x DSP family 00247 EM_MMDSP_PLUS = 160, // STMicroelectronics 64bit VLIW Data Signal Processor 00248 EM_CYPRESS_M8C = 161, // Cypress M8C microprocessor 00249 EM_R32C = 162, // Renesas R32C series microprocessors 00250 EM_TRIMEDIA = 163, // NXP Semiconductors TriMedia architecture family 00251 EM_HEXAGON = 164, // Qualcomm Hexagon processor 00252 EM_8051 = 165, // Intel 8051 and variants 00253 EM_STXP7X = 166, // STMicroelectronics STxP7x family of configurable 00254 // and extensible RISC processors 00255 EM_NDS32 = 167, // Andes Technology compact code size embedded RISC 00256 // processor family 00257 EM_ECOG1 = 168, // Cyan Technology eCOG1X family 00258 EM_ECOG1X = 168, // Cyan Technology eCOG1X family 00259 EM_MAXQ30 = 169, // Dallas Semiconductor MAXQ30 Core Micro-controllers 00260 EM_XIMO16 = 170, // New Japan Radio (NJR) 16-bit DSP Processor 00261 EM_MANIK = 171, // M2000 Reconfigurable RISC Microprocessor 00262 EM_CRAYNV2 = 172, // Cray Inc. NV2 vector architecture 00263 EM_RX = 173, // Renesas RX family 00264 EM_METAG = 174, // Imagination Technologies META processor 00265 // architecture 00266 EM_MCST_ELBRUS = 175, // MCST Elbrus general purpose hardware architecture 00267 EM_ECOG16 = 176, // Cyan Technology eCOG16 family 00268 EM_CR16 = 177, // National Semiconductor CompactRISC CR16 16-bit 00269 // microprocessor 00270 EM_ETPU = 178, // Freescale Extended Time Processing Unit 00271 EM_SLE9X = 179, // Infineon Technologies SLE9X core 00272 EM_L10M = 180, // Intel L10M 00273 EM_K10M = 181, // Intel K10M 00274 EM_AARCH64 = 183, // ARM AArch64 00275 EM_AVR32 = 185, // Atmel Corporation 32-bit microprocessor family 00276 EM_STM8 = 186, // STMicroeletronics STM8 8-bit microcontroller 00277 EM_TILE64 = 187, // Tilera TILE64 multicore architecture family 00278 EM_TILEPRO = 188, // Tilera TILEPro multicore architecture family 00279 EM_MICROBLAZE = 189, // Xilinx MicroBlaze 32-bit RISC soft processor core 00280 EM_CUDA = 190, // NVIDIA CUDA architecture 00281 EM_TILEGX = 191, // Tilera TILE-Gx multicore architecture family 00282 EM_CLOUDSHIELD = 192, // CloudShield architecture family 00283 EM_COREA_1ST = 193, // KIPO-KAIST Core-A 1st generation processor family 00284 EM_COREA_2ND = 194, // KIPO-KAIST Core-A 2nd generation processor family 00285 EM_ARC_COMPACT2 = 195, // Synopsys ARCompact V2 00286 EM_OPEN8 = 196, // Open8 8-bit RISC soft processor core 00287 EM_RL78 = 197, // Renesas RL78 family 00288 EM_VIDEOCORE5 = 198, // Broadcom VideoCore V processor 00289 EM_78KOR = 199, // Renesas 78KOR family 00290 EM_56800EX = 200, // Freescale 56800EX Digital Signal Controller (DSC) 00291 EM_MBLAZE = 47787 // Xilinx MicroBlaze 00292 }; 00293 00294 // Object file classes. 00295 enum { 00296 ELFCLASSNONE = 0, 00297 ELFCLASS32 = 1, // 32-bit object file 00298 ELFCLASS64 = 2 // 64-bit object file 00299 }; 00300 00301 // Object file byte orderings. 00302 enum { 00303 ELFDATANONE = 0, // Invalid data encoding. 00304 ELFDATA2LSB = 1, // Little-endian object file 00305 ELFDATA2MSB = 2 // Big-endian object file 00306 }; 00307 00308 // OS ABI identification. 00309 enum { 00310 ELFOSABI_NONE = 0, // UNIX System V ABI 00311 ELFOSABI_HPUX = 1, // HP-UX operating system 00312 ELFOSABI_NETBSD = 2, // NetBSD 00313 ELFOSABI_GNU = 3, // GNU/Linux 00314 ELFOSABI_LINUX = 3, // Historical alias for ELFOSABI_GNU. 00315 ELFOSABI_HURD = 4, // GNU/Hurd 00316 ELFOSABI_SOLARIS = 6, // Solaris 00317 ELFOSABI_AIX = 7, // AIX 00318 ELFOSABI_IRIX = 8, // IRIX 00319 ELFOSABI_FREEBSD = 9, // FreeBSD 00320 ELFOSABI_TRU64 = 10, // TRU64 UNIX 00321 ELFOSABI_MODESTO = 11, // Novell Modesto 00322 ELFOSABI_OPENBSD = 12, // OpenBSD 00323 ELFOSABI_OPENVMS = 13, // OpenVMS 00324 ELFOSABI_NSK = 14, // Hewlett-Packard Non-Stop Kernel 00325 ELFOSABI_AROS = 15, // AROS 00326 ELFOSABI_FENIXOS = 16, // FenixOS 00327 ELFOSABI_C6000_ELFABI = 64, // Bare-metal TMS320C6000 00328 ELFOSABI_C6000_LINUX = 65, // Linux TMS320C6000 00329 ELFOSABI_ARM = 97, // ARM 00330 ELFOSABI_STANDALONE = 255 // Standalone (embedded) application 00331 }; 00332 00333 // X86_64 relocations. 00334 enum { 00335 R_X86_64_NONE = 0, 00336 R_X86_64_64 = 1, 00337 R_X86_64_PC32 = 2, 00338 R_X86_64_GOT32 = 3, 00339 R_X86_64_PLT32 = 4, 00340 R_X86_64_COPY = 5, 00341 R_X86_64_GLOB_DAT = 6, 00342 R_X86_64_JUMP_SLOT = 7, 00343 R_X86_64_RELATIVE = 8, 00344 R_X86_64_GOTPCREL = 9, 00345 R_X86_64_32 = 10, 00346 R_X86_64_32S = 11, 00347 R_X86_64_16 = 12, 00348 R_X86_64_PC16 = 13, 00349 R_X86_64_8 = 14, 00350 R_X86_64_PC8 = 15, 00351 R_X86_64_DTPMOD64 = 16, 00352 R_X86_64_DTPOFF64 = 17, 00353 R_X86_64_TPOFF64 = 18, 00354 R_X86_64_TLSGD = 19, 00355 R_X86_64_TLSLD = 20, 00356 R_X86_64_DTPOFF32 = 21, 00357 R_X86_64_GOTTPOFF = 22, 00358 R_X86_64_TPOFF32 = 23, 00359 R_X86_64_PC64 = 24, 00360 R_X86_64_GOTOFF64 = 25, 00361 R_X86_64_GOTPC32 = 26, 00362 R_X86_64_GOT64 = 27, 00363 R_X86_64_GOTPCREL64 = 28, 00364 R_X86_64_GOTPC64 = 29, 00365 R_X86_64_GOTPLT64 = 30, 00366 R_X86_64_PLTOFF64 = 31, 00367 R_X86_64_SIZE32 = 32, 00368 R_X86_64_SIZE64 = 33, 00369 R_X86_64_GOTPC32_TLSDESC = 34, 00370 R_X86_64_TLSDESC_CALL = 35, 00371 R_X86_64_TLSDESC = 36, 00372 R_X86_64_IRELATIVE = 37 00373 }; 00374 00375 // i386 relocations. 00376 // TODO: this is just a subset 00377 enum { 00378 R_386_NONE = 0, 00379 R_386_32 = 1, 00380 R_386_PC32 = 2, 00381 R_386_GOT32 = 3, 00382 R_386_PLT32 = 4, 00383 R_386_COPY = 5, 00384 R_386_GLOB_DAT = 6, 00385 R_386_JUMP_SLOT = 7, 00386 R_386_RELATIVE = 8, 00387 R_386_GOTOFF = 9, 00388 R_386_GOTPC = 10, 00389 R_386_32PLT = 11, 00390 R_386_TLS_TPOFF = 14, 00391 R_386_TLS_IE = 15, 00392 R_386_TLS_GOTIE = 16, 00393 R_386_TLS_LE = 17, 00394 R_386_TLS_GD = 18, 00395 R_386_TLS_LDM = 19, 00396 R_386_16 = 20, 00397 R_386_PC16 = 21, 00398 R_386_8 = 22, 00399 R_386_PC8 = 23, 00400 R_386_TLS_GD_32 = 24, 00401 R_386_TLS_GD_PUSH = 25, 00402 R_386_TLS_GD_CALL = 26, 00403 R_386_TLS_GD_POP = 27, 00404 R_386_TLS_LDM_32 = 28, 00405 R_386_TLS_LDM_PUSH = 29, 00406 R_386_TLS_LDM_CALL = 30, 00407 R_386_TLS_LDM_POP = 31, 00408 R_386_TLS_LDO_32 = 32, 00409 R_386_TLS_IE_32 = 33, 00410 R_386_TLS_LE_32 = 34, 00411 R_386_TLS_DTPMOD32 = 35, 00412 R_386_TLS_DTPOFF32 = 36, 00413 R_386_TLS_TPOFF32 = 37, 00414 R_386_TLS_GOTDESC = 39, 00415 R_386_TLS_DESC_CALL = 40, 00416 R_386_TLS_DESC = 41, 00417 R_386_IRELATIVE = 42, 00418 R_386_NUM = 43 00419 }; 00420 00421 // MBlaze relocations. 00422 enum { 00423 R_MICROBLAZE_NONE = 0, 00424 R_MICROBLAZE_32 = 1, 00425 R_MICROBLAZE_32_PCREL = 2, 00426 R_MICROBLAZE_64_PCREL = 3, 00427 R_MICROBLAZE_32_PCREL_LO = 4, 00428 R_MICROBLAZE_64 = 5, 00429 R_MICROBLAZE_32_LO = 6, 00430 R_MICROBLAZE_SRO32 = 7, 00431 R_MICROBLAZE_SRW32 = 8, 00432 R_MICROBLAZE_64_NONE = 9, 00433 R_MICROBLAZE_32_SYM_OP_SYM = 10, 00434 R_MICROBLAZE_GNU_VTINHERIT = 11, 00435 R_MICROBLAZE_GNU_VTENTRY = 12, 00436 R_MICROBLAZE_GOTPC_64 = 13, 00437 R_MICROBLAZE_GOT_64 = 14, 00438 R_MICROBLAZE_PLT_64 = 15, 00439 R_MICROBLAZE_REL = 16, 00440 R_MICROBLAZE_JUMP_SLOT = 17, 00441 R_MICROBLAZE_GLOB_DAT = 18, 00442 R_MICROBLAZE_GOTOFF_64 = 19, 00443 R_MICROBLAZE_GOTOFF_32 = 20, 00444 R_MICROBLAZE_COPY = 21 00445 }; 00446 00447 // ELF Relocation types for PPC32 00448 enum { 00449 R_PPC_NONE = 0, /* No relocation. */ 00450 R_PPC_ADDR32 = 1, 00451 R_PPC_ADDR24 = 2, 00452 R_PPC_ADDR16 = 3, 00453 R_PPC_ADDR16_LO = 4, 00454 R_PPC_ADDR16_HI = 5, 00455 R_PPC_ADDR16_HA = 6, 00456 R_PPC_ADDR14 = 7, 00457 R_PPC_ADDR14_BRTAKEN = 8, 00458 R_PPC_ADDR14_BRNTAKEN = 9, 00459 R_PPC_REL24 = 10, 00460 R_PPC_REL14 = 11, 00461 R_PPC_REL14_BRTAKEN = 12, 00462 R_PPC_REL14_BRNTAKEN = 13, 00463 R_PPC_REL32 = 26, 00464 R_PPC_TPREL16_LO = 70, 00465 R_PPC_TPREL16_HA = 72 00466 }; 00467 00468 // ELF Relocation types for PPC64 00469 enum { 00470 R_PPC64_NONE = 0, 00471 R_PPC64_ADDR32 = 1, 00472 R_PPC64_ADDR24 = 2, 00473 R_PPC64_ADDR16 = 3, 00474 R_PPC64_ADDR16_LO = 4, 00475 R_PPC64_ADDR16_HI = 5, 00476 R_PPC64_ADDR16_HA = 6, 00477 R_PPC64_ADDR14 = 7, 00478 R_PPC64_ADDR14_BRTAKEN = 8, 00479 R_PPC64_ADDR14_BRNTAKEN = 9, 00480 R_PPC64_REL24 = 10, 00481 R_PPC64_REL14 = 11, 00482 R_PPC64_REL14_BRTAKEN = 12, 00483 R_PPC64_REL14_BRNTAKEN = 13, 00484 R_PPC64_REL32 = 26, 00485 R_PPC64_ADDR64 = 38, 00486 R_PPC64_ADDR16_HIGHER = 39, 00487 R_PPC64_ADDR16_HIGHEST = 41, 00488 R_PPC64_REL64 = 44, 00489 R_PPC64_TOC16 = 47, 00490 R_PPC64_TOC16_LO = 48, 00491 R_PPC64_TOC16_HA = 50, 00492 R_PPC64_TOC = 51, 00493 R_PPC64_ADDR16_DS = 56, 00494 R_PPC64_ADDR16_LO_DS = 57, 00495 R_PPC64_TOC16_DS = 63, 00496 R_PPC64_TOC16_LO_DS = 64, 00497 R_PPC64_TLS = 67, 00498 R_PPC64_TPREL16_LO = 70, 00499 R_PPC64_TPREL16_HA = 72, 00500 R_PPC64_DTPREL16_LO = 75, 00501 R_PPC64_DTPREL16_HA = 77, 00502 R_PPC64_GOT_TLSGD16_LO = 80, 00503 R_PPC64_GOT_TLSGD16_HA = 82, 00504 R_PPC64_GOT_TLSLD16_LO = 84, 00505 R_PPC64_GOT_TLSLD16_HA = 86, 00506 R_PPC64_GOT_TPREL16_LO_DS = 88, 00507 R_PPC64_GOT_TPREL16_HA = 90, 00508 R_PPC64_TLSGD = 107, 00509 R_PPC64_TLSLD = 108 00510 }; 00511 00512 // ELF Relocation types for AArch64 00513 00514 enum { 00515 R_AARCH64_NONE = 0x100, 00516 00517 R_AARCH64_ABS64 = 0x101, 00518 R_AARCH64_ABS32 = 0x102, 00519 R_AARCH64_ABS16 = 0x103, 00520 R_AARCH64_PREL64 = 0x104, 00521 R_AARCH64_PREL32 = 0x105, 00522 R_AARCH64_PREL16 = 0x106, 00523 00524 R_AARCH64_MOVW_UABS_G0 = 0x107, 00525 R_AARCH64_MOVW_UABS_G0_NC = 0x108, 00526 R_AARCH64_MOVW_UABS_G1 = 0x109, 00527 R_AARCH64_MOVW_UABS_G1_NC = 0x10a, 00528 R_AARCH64_MOVW_UABS_G2 = 0x10b, 00529 R_AARCH64_MOVW_UABS_G2_NC = 0x10c, 00530 R_AARCH64_MOVW_UABS_G3 = 0x10d, 00531 R_AARCH64_MOVW_SABS_G0 = 0x10e, 00532 R_AARCH64_MOVW_SABS_G1 = 0x10f, 00533 R_AARCH64_MOVW_SABS_G2 = 0x110, 00534 00535 R_AARCH64_LD_PREL_LO19 = 0x111, 00536 R_AARCH64_ADR_PREL_LO21 = 0x112, 00537 R_AARCH64_ADR_PREL_PG_HI21 = 0x113, 00538 R_AARCH64_ADD_ABS_LO12_NC = 0x115, 00539 R_AARCH64_LDST8_ABS_LO12_NC = 0x116, 00540 00541 R_AARCH64_TSTBR14 = 0x117, 00542 R_AARCH64_CONDBR19 = 0x118, 00543 R_AARCH64_JUMP26 = 0x11a, 00544 R_AARCH64_CALL26 = 0x11b, 00545 00546 R_AARCH64_LDST16_ABS_LO12_NC = 0x11c, 00547 R_AARCH64_LDST32_ABS_LO12_NC = 0x11d, 00548 R_AARCH64_LDST64_ABS_LO12_NC = 0x11e, 00549 00550 R_AARCH64_LDST128_ABS_LO12_NC = 0x12b, 00551 00552 R_AARCH64_ADR_GOT_PAGE = 0x137, 00553 R_AARCH64_LD64_GOT_LO12_NC = 0x138, 00554 00555 R_AARCH64_TLSLD_MOVW_DTPREL_G2 = 0x20b, 00556 R_AARCH64_TLSLD_MOVW_DTPREL_G1 = 0x20c, 00557 R_AARCH64_TLSLD_MOVW_DTPREL_G1_NC = 0x20d, 00558 R_AARCH64_TLSLD_MOVW_DTPREL_G0 = 0x20e, 00559 R_AARCH64_TLSLD_MOVW_DTPREL_G0_NC = 0x20f, 00560 R_AARCH64_TLSLD_ADD_DTPREL_HI12 = 0x210, 00561 R_AARCH64_TLSLD_ADD_DTPREL_LO12 = 0x211, 00562 R_AARCH64_TLSLD_ADD_DTPREL_LO12_NC = 0x212, 00563 R_AARCH64_TLSLD_LDST8_DTPREL_LO12 = 0x213, 00564 R_AARCH64_TLSLD_LDST8_DTPREL_LO12_NC = 0x214, 00565 R_AARCH64_TLSLD_LDST16_DTPREL_LO12 = 0x215, 00566 R_AARCH64_TLSLD_LDST16_DTPREL_LO12_NC = 0x216, 00567 R_AARCH64_TLSLD_LDST32_DTPREL_LO12 = 0x217, 00568 R_AARCH64_TLSLD_LDST32_DTPREL_LO12_NC = 0x218, 00569 R_AARCH64_TLSLD_LDST64_DTPREL_LO12 = 0x219, 00570 R_AARCH64_TLSLD_LDST64_DTPREL_LO12_NC = 0x21a, 00571 00572 R_AARCH64_TLSIE_MOVW_GOTTPREL_G1 = 0x21b, 00573 R_AARCH64_TLSIE_MOVW_GOTTPREL_G0_NC = 0x21c, 00574 R_AARCH64_TLSIE_ADR_GOTTPREL_PAGE21 = 0x21d, 00575 R_AARCH64_TLSIE_LD64_GOTTPREL_LO12_NC = 0x21e, 00576 R_AARCH64_TLSIE_LD_GOTTPREL_PREL19 = 0x21f, 00577 00578 R_AARCH64_TLSLE_MOVW_TPREL_G2 = 0x220, 00579 R_AARCH64_TLSLE_MOVW_TPREL_G1 = 0x221, 00580 R_AARCH64_TLSLE_MOVW_TPREL_G1_NC = 0x222, 00581 R_AARCH64_TLSLE_MOVW_TPREL_G0 = 0x223, 00582 R_AARCH64_TLSLE_MOVW_TPREL_G0_NC = 0x224, 00583 R_AARCH64_TLSLE_ADD_TPREL_HI12 = 0x225, 00584 R_AARCH64_TLSLE_ADD_TPREL_LO12 = 0x226, 00585 R_AARCH64_TLSLE_ADD_TPREL_LO12_NC = 0x227, 00586 R_AARCH64_TLSLE_LDST8_TPREL_LO12 = 0x228, 00587 R_AARCH64_TLSLE_LDST8_TPREL_LO12_NC = 0x229, 00588 R_AARCH64_TLSLE_LDST16_TPREL_LO12 = 0x22a, 00589 R_AARCH64_TLSLE_LDST16_TPREL_LO12_NC = 0x22b, 00590 R_AARCH64_TLSLE_LDST32_TPREL_LO12 = 0x22c, 00591 R_AARCH64_TLSLE_LDST32_TPREL_LO12_NC = 0x22d, 00592 R_AARCH64_TLSLE_LDST64_TPREL_LO12 = 0x22e, 00593 R_AARCH64_TLSLE_LDST64_TPREL_LO12_NC = 0x22f, 00594 00595 R_AARCH64_TLSDESC_ADR_PAGE = 0x232, 00596 R_AARCH64_TLSDESC_LD64_LO12_NC = 0x233, 00597 R_AARCH64_TLSDESC_ADD_LO12_NC = 0x234, 00598 00599 R_AARCH64_TLSDESC_CALL = 0x239 00600 }; 00601 00602 // ARM Specific e_flags 00603 enum { 00604 EF_ARM_SOFT_FLOAT = 0x00000200U, 00605 EF_ARM_VFP_FLOAT = 0x00000400U, 00606 EF_ARM_EABI_UNKNOWN = 0x00000000U, 00607 EF_ARM_EABI_VER1 = 0x01000000U, 00608 EF_ARM_EABI_VER2 = 0x02000000U, 00609 EF_ARM_EABI_VER3 = 0x03000000U, 00610 EF_ARM_EABI_VER4 = 0x04000000U, 00611 EF_ARM_EABI_VER5 = 0x05000000U, 00612 EF_ARM_EABIMASK = 0xFF000000U 00613 }; 00614 00615 // ELF Relocation types for ARM 00616 // Meets 2.08 ABI Specs. 00617 00618 enum { 00619 R_ARM_NONE = 0x00, 00620 R_ARM_PC24 = 0x01, 00621 R_ARM_ABS32 = 0x02, 00622 R_ARM_REL32 = 0x03, 00623 R_ARM_LDR_PC_G0 = 0x04, 00624 R_ARM_ABS16 = 0x05, 00625 R_ARM_ABS12 = 0x06, 00626 R_ARM_THM_ABS5 = 0x07, 00627 R_ARM_ABS8 = 0x08, 00628 R_ARM_SBREL32 = 0x09, 00629 R_ARM_THM_CALL = 0x0a, 00630 R_ARM_THM_PC8 = 0x0b, 00631 R_ARM_BREL_ADJ = 0x0c, 00632 R_ARM_TLS_DESC = 0x0d, 00633 R_ARM_THM_SWI8 = 0x0e, 00634 R_ARM_XPC25 = 0x0f, 00635 R_ARM_THM_XPC22 = 0x10, 00636 R_ARM_TLS_DTPMOD32 = 0x11, 00637 R_ARM_TLS_DTPOFF32 = 0x12, 00638 R_ARM_TLS_TPOFF32 = 0x13, 00639 R_ARM_COPY = 0x14, 00640 R_ARM_GLOB_DAT = 0x15, 00641 R_ARM_JUMP_SLOT = 0x16, 00642 R_ARM_RELATIVE = 0x17, 00643 R_ARM_GOTOFF32 = 0x18, 00644 R_ARM_BASE_PREL = 0x19, 00645 R_ARM_GOT_BREL = 0x1a, 00646 R_ARM_PLT32 = 0x1b, 00647 R_ARM_CALL = 0x1c, 00648 R_ARM_JUMP24 = 0x1d, 00649 R_ARM_THM_JUMP24 = 0x1e, 00650 R_ARM_BASE_ABS = 0x1f, 00651 R_ARM_ALU_PCREL_7_0 = 0x20, 00652 R_ARM_ALU_PCREL_15_8 = 0x21, 00653 R_ARM_ALU_PCREL_23_15 = 0x22, 00654 R_ARM_LDR_SBREL_11_0_NC = 0x23, 00655 R_ARM_ALU_SBREL_19_12_NC = 0x24, 00656 R_ARM_ALU_SBREL_27_20_CK = 0x25, 00657 R_ARM_TARGET1 = 0x26, 00658 R_ARM_SBREL31 = 0x27, 00659 R_ARM_V4BX = 0x28, 00660 R_ARM_TARGET2 = 0x29, 00661 R_ARM_PREL31 = 0x2a, 00662 R_ARM_MOVW_ABS_NC = 0x2b, 00663 R_ARM_MOVT_ABS = 0x2c, 00664 R_ARM_MOVW_PREL_NC = 0x2d, 00665 R_ARM_MOVT_PREL = 0x2e, 00666 R_ARM_THM_MOVW_ABS_NC = 0x2f, 00667 R_ARM_THM_MOVT_ABS = 0x30, 00668 R_ARM_THM_MOVW_PREL_NC = 0x31, 00669 R_ARM_THM_MOVT_PREL = 0x32, 00670 R_ARM_THM_JUMP19 = 0x33, 00671 R_ARM_THM_JUMP6 = 0x34, 00672 R_ARM_THM_ALU_PREL_11_0 = 0x35, 00673 R_ARM_THM_PC12 = 0x36, 00674 R_ARM_ABS32_NOI = 0x37, 00675 R_ARM_REL32_NOI = 0x38, 00676 R_ARM_ALU_PC_G0_NC = 0x39, 00677 R_ARM_ALU_PC_G0 = 0x3a, 00678 R_ARM_ALU_PC_G1_NC = 0x3b, 00679 R_ARM_ALU_PC_G1 = 0x3c, 00680 R_ARM_ALU_PC_G2 = 0x3d, 00681 R_ARM_LDR_PC_G1 = 0x3e, 00682 R_ARM_LDR_PC_G2 = 0x3f, 00683 R_ARM_LDRS_PC_G0 = 0x40, 00684 R_ARM_LDRS_PC_G1 = 0x41, 00685 R_ARM_LDRS_PC_G2 = 0x42, 00686 R_ARM_LDC_PC_G0 = 0x43, 00687 R_ARM_LDC_PC_G1 = 0x44, 00688 R_ARM_LDC_PC_G2 = 0x45, 00689 R_ARM_ALU_SB_G0_NC = 0x46, 00690 R_ARM_ALU_SB_G0 = 0x47, 00691 R_ARM_ALU_SB_G1_NC = 0x48, 00692 R_ARM_ALU_SB_G1 = 0x49, 00693 R_ARM_ALU_SB_G2 = 0x4a, 00694 R_ARM_LDR_SB_G0 = 0x4b, 00695 R_ARM_LDR_SB_G1 = 0x4c, 00696 R_ARM_LDR_SB_G2 = 0x4d, 00697 R_ARM_LDRS_SB_G0 = 0x4e, 00698 R_ARM_LDRS_SB_G1 = 0x4f, 00699 R_ARM_LDRS_SB_G2 = 0x50, 00700 R_ARM_LDC_SB_G0 = 0x51, 00701 R_ARM_LDC_SB_G1 = 0x52, 00702 R_ARM_LDC_SB_G2 = 0x53, 00703 R_ARM_MOVW_BREL_NC = 0x54, 00704 R_ARM_MOVT_BREL = 0x55, 00705 R_ARM_MOVW_BREL = 0x56, 00706 R_ARM_THM_MOVW_BREL_NC = 0x57, 00707 R_ARM_THM_MOVT_BREL = 0x58, 00708 R_ARM_THM_MOVW_BREL = 0x59, 00709 R_ARM_TLS_GOTDESC = 0x5a, 00710 R_ARM_TLS_CALL = 0x5b, 00711 R_ARM_TLS_DESCSEQ = 0x5c, 00712 R_ARM_THM_TLS_CALL = 0x5d, 00713 R_ARM_PLT32_ABS = 0x5e, 00714 R_ARM_GOT_ABS = 0x5f, 00715 R_ARM_GOT_PREL = 0x60, 00716 R_ARM_GOT_BREL12 = 0x61, 00717 R_ARM_GOTOFF12 = 0x62, 00718 R_ARM_GOTRELAX = 0x63, 00719 R_ARM_GNU_VTENTRY = 0x64, 00720 R_ARM_GNU_VTINHERIT = 0x65, 00721 R_ARM_THM_JUMP11 = 0x66, 00722 R_ARM_THM_JUMP8 = 0x67, 00723 R_ARM_TLS_GD32 = 0x68, 00724 R_ARM_TLS_LDM32 = 0x69, 00725 R_ARM_TLS_LDO32 = 0x6a, 00726 R_ARM_TLS_IE32 = 0x6b, 00727 R_ARM_TLS_LE32 = 0x6c, 00728 R_ARM_TLS_LDO12 = 0x6d, 00729 R_ARM_TLS_LE12 = 0x6e, 00730 R_ARM_TLS_IE12GP = 0x6f, 00731 R_ARM_PRIVATE_0 = 0x70, 00732 R_ARM_PRIVATE_1 = 0x71, 00733 R_ARM_PRIVATE_2 = 0x72, 00734 R_ARM_PRIVATE_3 = 0x73, 00735 R_ARM_PRIVATE_4 = 0x74, 00736 R_ARM_PRIVATE_5 = 0x75, 00737 R_ARM_PRIVATE_6 = 0x76, 00738 R_ARM_PRIVATE_7 = 0x77, 00739 R_ARM_PRIVATE_8 = 0x78, 00740 R_ARM_PRIVATE_9 = 0x79, 00741 R_ARM_PRIVATE_10 = 0x7a, 00742 R_ARM_PRIVATE_11 = 0x7b, 00743 R_ARM_PRIVATE_12 = 0x7c, 00744 R_ARM_PRIVATE_13 = 0x7d, 00745 R_ARM_PRIVATE_14 = 0x7e, 00746 R_ARM_PRIVATE_15 = 0x7f, 00747 R_ARM_ME_TOO = 0x80, 00748 R_ARM_THM_TLS_DESCSEQ16 = 0x81, 00749 R_ARM_THM_TLS_DESCSEQ32 = 0x82 00750 }; 00751 00752 // Mips Specific e_flags 00753 enum { 00754 EF_MIPS_NOREORDER = 0x00000001, // Don't reorder instructions 00755 EF_MIPS_PIC = 0x00000002, // Position independent code 00756 EF_MIPS_CPIC = 0x00000004, // Call object with Position independent code 00757 EF_MIPS_ABI_O32 = 0x00001000, // This file follows the first MIPS 32 bit ABI 00758 00759 //ARCH_ASE 00760 EF_MIPS_MICROMIPS = 0x02000000, // microMIPS 00761 EF_MIPS_ARCH_ASE_M16 = 00762 0x04000000, // Has Mips-16 ISA extensions 00763 //ARCH 00764 EF_MIPS_ARCH_1 = 0x00000000, // MIPS1 instruction set 00765 EF_MIPS_ARCH_2 = 0x10000000, // MIPS2 instruction set 00766 EF_MIPS_ARCH_3 = 0x20000000, // MIPS3 instruction set 00767 EF_MIPS_ARCH_4 = 0x30000000, // MIPS4 instruction set 00768 EF_MIPS_ARCH_5 = 0x40000000, // MIPS5 instruction set 00769 EF_MIPS_ARCH_32 = 0x50000000, // MIPS32 instruction set per linux not elf.h 00770 EF_MIPS_ARCH_64 = 0x60000000, // MIPS64 instruction set per linux not elf.h 00771 EF_MIPS_ARCH_32R2 = 0x70000000, // mips32r2 00772 EF_MIPS_ARCH_64R2 = 0x80000000, // mips64r2 00773 EF_MIPS_ARCH = 0xf0000000 // Mask for applying EF_MIPS_ARCH_ variant 00774 }; 00775 00776 // ELF Relocation types for Mips 00777 // . 00778 enum { 00779 R_MIPS_NONE = 0, 00780 R_MIPS_16 = 1, 00781 R_MIPS_32 = 2, 00782 R_MIPS_REL32 = 3, 00783 R_MIPS_26 = 4, 00784 R_MIPS_HI16 = 5, 00785 R_MIPS_LO16 = 6, 00786 R_MIPS_GPREL16 = 7, 00787 R_MIPS_LITERAL = 8, 00788 R_MIPS_GOT16 = 9, 00789 R_MIPS_GOT = 9, 00790 R_MIPS_PC16 = 10, 00791 R_MIPS_CALL16 = 11, 00792 R_MIPS_GPREL32 = 12, 00793 R_MIPS_SHIFT5 = 16, 00794 R_MIPS_SHIFT6 = 17, 00795 R_MIPS_64 = 18, 00796 R_MIPS_GOT_DISP = 19, 00797 R_MIPS_GOT_PAGE = 20, 00798 R_MIPS_GOT_OFST = 21, 00799 R_MIPS_GOT_HI16 = 22, 00800 R_MIPS_GOT_LO16 = 23, 00801 R_MIPS_SUB = 24, 00802 R_MIPS_INSERT_A = 25, 00803 R_MIPS_INSERT_B = 26, 00804 R_MIPS_DELETE = 27, 00805 R_MIPS_HIGHER = 28, 00806 R_MIPS_HIGHEST = 29, 00807 R_MIPS_CALL_HI16 = 30, 00808 R_MIPS_CALL_LO16 = 31, 00809 R_MIPS_SCN_DISP = 32, 00810 R_MIPS_REL16 = 33, 00811 R_MIPS_ADD_IMMEDIATE = 34, 00812 R_MIPS_PJUMP = 35, 00813 R_MIPS_RELGOT = 36, 00814 R_MIPS_JALR = 37, 00815 R_MIPS_TLS_DTPMOD32 = 38, 00816 R_MIPS_TLS_DTPREL32 = 39, 00817 R_MIPS_TLS_DTPMOD64 = 40, 00818 R_MIPS_TLS_DTPREL64 = 41, 00819 R_MIPS_TLS_GD = 42, 00820 R_MIPS_TLS_LDM = 43, 00821 R_MIPS_TLS_DTPREL_HI16 = 44, 00822 R_MIPS_TLS_DTPREL_LO16 = 45, 00823 R_MIPS_TLS_GOTTPREL = 46, 00824 R_MIPS_TLS_TPREL32 = 47, 00825 R_MIPS_TLS_TPREL64 = 48, 00826 R_MIPS_TLS_TPREL_HI16 = 49, 00827 R_MIPS_TLS_TPREL_LO16 = 50, 00828 R_MIPS_GLOB_DAT = 51, 00829 R_MIPS_COPY = 126, 00830 R_MIPS_JUMP_SLOT = 127, 00831 R_MIPS_NUM = 218 00832 }; 00833 00834 // Special values for the st_other field in the symbol table entry for MIPS. 00835 enum { 00836 STO_MIPS_MICROMIPS = 0x80 // MIPS Specific ISA for MicroMips 00837 }; 00838 00839 // Hexagon Specific e_flags 00840 // Release 5 ABI 00841 enum { 00842 // Object processor version flags, bits[3:0] 00843 EF_HEXAGON_MACH_V2 = 0x00000001, // Hexagon V2 00844 EF_HEXAGON_MACH_V3 = 0x00000002, // Hexagon V3 00845 EF_HEXAGON_MACH_V4 = 0x00000003, // Hexagon V4 00846 EF_HEXAGON_MACH_V5 = 0x00000004, // Hexagon V5 00847 00848 // Highest ISA version flags 00849 EF_HEXAGON_ISA_MACH = 0x00000000, // Same as specified in bits[3:0] 00850 // of e_flags 00851 EF_HEXAGON_ISA_V2 = 0x00000010, // Hexagon V2 ISA 00852 EF_HEXAGON_ISA_V3 = 0x00000020, // Hexagon V3 ISA 00853 EF_HEXAGON_ISA_V4 = 0x00000030, // Hexagon V4 ISA 00854 EF_HEXAGON_ISA_V5 = 0x00000040 // Hexagon V5 ISA 00855 }; 00856 00857 // Hexagon specific Section indexes for common small data 00858 // Release 5 ABI 00859 enum { 00860 SHN_HEXAGON_SCOMMON = 0xff00, // Other access sizes 00861 SHN_HEXAGON_SCOMMON_1 = 0xff01, // Byte-sized access 00862 SHN_HEXAGON_SCOMMON_2 = 0xff02, // Half-word-sized access 00863 SHN_HEXAGON_SCOMMON_4 = 0xff03, // Word-sized access 00864 SHN_HEXAGON_SCOMMON_8 = 0xff04 // Double-word-size access 00865 }; 00866 00867 // ELF Relocation types for Hexagon 00868 // Release 5 ABI 00869 enum { 00870 R_HEX_NONE = 0, 00871 R_HEX_B22_PCREL = 1, 00872 R_HEX_B15_PCREL = 2, 00873 R_HEX_B7_PCREL = 3, 00874 R_HEX_LO16 = 4, 00875 R_HEX_HI16 = 5, 00876 R_HEX_32 = 6, 00877 R_HEX_16 = 7, 00878 R_HEX_8 = 8, 00879 R_HEX_GPREL16_0 = 9, 00880 R_HEX_GPREL16_1 = 10, 00881 R_HEX_GPREL16_2 = 11, 00882 R_HEX_GPREL16_3 = 12, 00883 R_HEX_HL16 = 13, 00884 R_HEX_B13_PCREL = 14, 00885 R_HEX_B9_PCREL = 15, 00886 R_HEX_B32_PCREL_X = 16, 00887 R_HEX_32_6_X = 17, 00888 R_HEX_B22_PCREL_X = 18, 00889 R_HEX_B15_PCREL_X = 19, 00890 R_HEX_B13_PCREL_X = 20, 00891 R_HEX_B9_PCREL_X = 21, 00892 R_HEX_B7_PCREL_X = 22, 00893 R_HEX_16_X = 23, 00894 R_HEX_12_X = 24, 00895 R_HEX_11_X = 25, 00896 R_HEX_10_X = 26, 00897 R_HEX_9_X = 27, 00898 R_HEX_8_X = 28, 00899 R_HEX_7_X = 29, 00900 R_HEX_6_X = 30, 00901 R_HEX_32_PCREL = 31, 00902 R_HEX_COPY = 32, 00903 R_HEX_GLOB_DAT = 33, 00904 R_HEX_JMP_SLOT = 34, 00905 R_HEX_RELATIVE = 35, 00906 R_HEX_PLT_B22_PCREL = 36, 00907 R_HEX_GOTREL_LO16 = 37, 00908 R_HEX_GOTREL_HI16 = 38, 00909 R_HEX_GOTREL_32 = 39, 00910 R_HEX_GOT_LO16 = 40, 00911 R_HEX_GOT_HI16 = 41, 00912 R_HEX_GOT_32 = 42, 00913 R_HEX_GOT_16 = 43, 00914 R_HEX_DTPMOD_32 = 44, 00915 R_HEX_DTPREL_LO16 = 45, 00916 R_HEX_DTPREL_HI16 = 46, 00917 R_HEX_DTPREL_32 = 47, 00918 R_HEX_DTPREL_16 = 48, 00919 R_HEX_GD_PLT_B22_PCREL = 49, 00920 R_HEX_GD_GOT_LO16 = 50, 00921 R_HEX_GD_GOT_HI16 = 51, 00922 R_HEX_GD_GOT_32 = 52, 00923 R_HEX_GD_GOT_16 = 53, 00924 R_HEX_IE_LO16 = 54, 00925 R_HEX_IE_HI16 = 55, 00926 R_HEX_IE_32 = 56, 00927 R_HEX_IE_GOT_LO16 = 57, 00928 R_HEX_IE_GOT_HI16 = 58, 00929 R_HEX_IE_GOT_32 = 59, 00930 R_HEX_IE_GOT_16 = 60, 00931 R_HEX_TPREL_LO16 = 61, 00932 R_HEX_TPREL_HI16 = 62, 00933 R_HEX_TPREL_32 = 63, 00934 R_HEX_TPREL_16 = 64, 00935 R_HEX_6_PCREL_X = 65, 00936 R_HEX_GOTREL_32_6_X = 66, 00937 R_HEX_GOTREL_16_X = 67, 00938 R_HEX_GOTREL_11_X = 68, 00939 R_HEX_GOT_32_6_X = 69, 00940 R_HEX_GOT_16_X = 70, 00941 R_HEX_GOT_11_X = 71, 00942 R_HEX_DTPREL_32_6_X = 72, 00943 R_HEX_DTPREL_16_X = 73, 00944 R_HEX_DTPREL_11_X = 74, 00945 R_HEX_GD_GOT_32_6_X = 75, 00946 R_HEX_GD_GOT_16_X = 76, 00947 R_HEX_GD_GOT_11_X = 77, 00948 R_HEX_IE_32_6_X = 78, 00949 R_HEX_IE_16_X = 79, 00950 R_HEX_IE_GOT_32_6_X = 80, 00951 R_HEX_IE_GOT_16_X = 81, 00952 R_HEX_IE_GOT_11_X = 82, 00953 R_HEX_TPREL_32_6_X = 83, 00954 R_HEX_TPREL_16_X = 84, 00955 R_HEX_TPREL_11_X = 85 00956 }; 00957 00958 // ELF Relocation types for S390/zSeries 00959 enum { 00960 R_390_NONE = 0, 00961 R_390_8 = 1, 00962 R_390_12 = 2, 00963 R_390_16 = 3, 00964 R_390_32 = 4, 00965 R_390_PC32 = 5, 00966 R_390_GOT12 = 6, 00967 R_390_GOT32 = 7, 00968 R_390_PLT32 = 8, 00969 R_390_COPY = 9, 00970 R_390_GLOB_DAT = 10, 00971 R_390_JMP_SLOT = 11, 00972 R_390_RELATIVE = 12, 00973 R_390_GOTOFF = 13, 00974 R_390_GOTPC = 14, 00975 R_390_GOT16 = 15, 00976 R_390_PC16 = 16, 00977 R_390_PC16DBL = 17, 00978 R_390_PLT16DBL = 18, 00979 R_390_PC32DBL = 19, 00980 R_390_PLT32DBL = 20, 00981 R_390_GOTPCDBL = 21, 00982 R_390_64 = 22, 00983 R_390_PC64 = 23, 00984 R_390_GOT64 = 24, 00985 R_390_PLT64 = 25, 00986 R_390_GOTENT = 26, 00987 R_390_GOTOFF16 = 27, 00988 R_390_GOTOFF64 = 28, 00989 R_390_GOTPLT12 = 29, 00990 R_390_GOTPLT16 = 30, 00991 R_390_GOTPLT32 = 31, 00992 R_390_GOTPLT64 = 32, 00993 R_390_GOTPLTENT = 33, 00994 R_390_PLTOFF16 = 34, 00995 R_390_PLTOFF32 = 35, 00996 R_390_PLTOFF64 = 36, 00997 R_390_TLS_LOAD = 37, 00998 R_390_TLS_GDCALL = 38, 00999 R_390_TLS_LDCALL = 39, 01000 R_390_TLS_GD32 = 40, 01001 R_390_TLS_GD64 = 41, 01002 R_390_TLS_GOTIE12 = 42, 01003 R_390_TLS_GOTIE32 = 43, 01004 R_390_TLS_GOTIE64 = 44, 01005 R_390_TLS_LDM32 = 45, 01006 R_390_TLS_LDM64 = 46, 01007 R_390_TLS_IE32 = 47, 01008 R_390_TLS_IE64 = 48, 01009 R_390_TLS_IEENT = 49, 01010 R_390_TLS_LE32 = 50, 01011 R_390_TLS_LE64 = 51, 01012 R_390_TLS_LDO32 = 52, 01013 R_390_TLS_LDO64 = 53, 01014 R_390_TLS_DTPMOD = 54, 01015 R_390_TLS_DTPOFF = 55, 01016 R_390_TLS_TPOFF = 56, 01017 R_390_20 = 57, 01018 R_390_GOT20 = 58, 01019 R_390_GOTPLT20 = 59, 01020 R_390_TLS_GOTIE20 = 60, 01021 R_390_IRELATIVE = 61 01022 }; 01023 01024 // Section header. 01025 struct Elf32_Shdr { 01026 Elf32_Word sh_name; // Section name (index into string table) 01027 Elf32_Word sh_type; // Section type (SHT_*) 01028 Elf32_Word sh_flags; // Section flags (SHF_*) 01029 Elf32_Addr sh_addr; // Address where section is to be loaded 01030 Elf32_Off sh_offset; // File offset of section data, in bytes 01031 Elf32_Word sh_size; // Size of section, in bytes 01032 Elf32_Word sh_link; // Section type-specific header table index link 01033 Elf32_Word sh_info; // Section type-specific extra information 01034 Elf32_Word sh_addralign; // Section address alignment 01035 Elf32_Word sh_entsize; // Size of records contained within the section 01036 }; 01037 01038 // Section header for ELF64 - same fields as ELF32, different types. 01039 struct Elf64_Shdr { 01040 Elf64_Word sh_name; 01041 Elf64_Word sh_type; 01042 Elf64_Xword sh_flags; 01043 Elf64_Addr sh_addr; 01044 Elf64_Off sh_offset; 01045 Elf64_Xword sh_size; 01046 Elf64_Word sh_link; 01047 Elf64_Word sh_info; 01048 Elf64_Xword sh_addralign; 01049 Elf64_Xword sh_entsize; 01050 }; 01051 01052 // Special section indices. 01053 enum { 01054 SHN_UNDEF = 0, // Undefined, missing, irrelevant, or meaningless 01055 SHN_LORESERVE = 0xff00, // Lowest reserved index 01056 SHN_LOPROC = 0xff00, // Lowest processor-specific index 01057 SHN_HIPROC = 0xff1f, // Highest processor-specific index 01058 SHN_LOOS = 0xff20, // Lowest operating system-specific index 01059 SHN_HIOS = 0xff3f, // Highest operating system-specific index 01060 SHN_ABS = 0xfff1, // Symbol has absolute value; does not need relocation 01061 SHN_COMMON = 0xfff2, // FORTRAN COMMON or C external global variables 01062 SHN_XINDEX = 0xffff, // Mark that the index is >= SHN_LORESERVE 01063 SHN_HIRESERVE = 0xffff // Highest reserved index 01064 }; 01065 01066 // Section types. 01067 enum { 01068 SHT_NULL = 0, // No associated section (inactive entry). 01069 SHT_PROGBITS = 1, // Program-defined contents. 01070 SHT_SYMTAB = 2, // Symbol table. 01071 SHT_STRTAB = 3, // String table. 01072 SHT_RELA = 4, // Relocation entries; explicit addends. 01073 SHT_HASH = 5, // Symbol hash table. 01074 SHT_DYNAMIC = 6, // Information for dynamic linking. 01075 SHT_NOTE = 7, // Information about the file. 01076 SHT_NOBITS = 8, // Data occupies no space in the file. 01077 SHT_REL = 9, // Relocation entries; no explicit addends. 01078 SHT_SHLIB = 10, // Reserved. 01079 SHT_DYNSYM = 11, // Symbol table. 01080 SHT_INIT_ARRAY = 14, // Pointers to initialization functions. 01081 SHT_FINI_ARRAY = 15, // Pointers to termination functions. 01082 SHT_PREINIT_ARRAY = 16, // Pointers to pre-init functions. 01083 SHT_GROUP = 17, // Section group. 01084 SHT_SYMTAB_SHNDX = 18, // Indices for SHN_XINDEX entries. 01085 SHT_LOOS = 0x60000000, // Lowest operating system-specific type. 01086 SHT_GNU_ATTRIBUTES= 0x6ffffff5, // Object attributes. 01087 SHT_GNU_HASH = 0x6ffffff6, // GNU-style hash table. 01088 SHT_GNU_verdef = 0x6ffffffd, // GNU version definitions. 01089 SHT_GNU_verneed = 0x6ffffffe, // GNU version references. 01090 SHT_GNU_versym = 0x6fffffff, // GNU symbol versions table. 01091 SHT_HIOS = 0x6fffffff, // Highest operating system-specific type. 01092 SHT_LOPROC = 0x70000000, // Lowest processor arch-specific type. 01093 // Fixme: All this is duplicated in MCSectionELF. Why?? 01094 // Exception Index table 01095 SHT_ARM_EXIDX = 0x70000001U, 01096 // BPABI DLL dynamic linking pre-emption map 01097 SHT_ARM_PREEMPTMAP = 0x70000002U, 01098 // Object file compatibility attributes 01099 SHT_ARM_ATTRIBUTES = 0x70000003U, 01100 SHT_ARM_DEBUGOVERLAY = 0x70000004U, 01101 SHT_ARM_OVERLAYSECTION = 0x70000005U, 01102 SHT_HEX_ORDERED = 0x70000000, // Link editor is to sort the entries in 01103 // this section based on their sizes 01104 SHT_X86_64_UNWIND = 0x70000001, // Unwind information 01105 01106 SHT_MIPS_REGINFO = 0x70000006, // Register usage information 01107 SHT_MIPS_OPTIONS = 0x7000000d, // General options 01108 01109 SHT_HIPROC = 0x7fffffff, // Highest processor arch-specific type. 01110 SHT_LOUSER = 0x80000000, // Lowest type reserved for applications. 01111 SHT_HIUSER = 0xffffffff // Highest type reserved for applications. 01112 }; 01113 01114 // Section flags. 01115 enum { 01116 // Section data should be writable during execution. 01117 SHF_WRITE = 0x1, 01118 01119 // Section occupies memory during program execution. 01120 SHF_ALLOC = 0x2, 01121 01122 // Section contains executable machine instructions. 01123 SHF_EXECINSTR = 0x4, 01124 01125 // The data in this section may be merged. 01126 SHF_MERGE = 0x10, 01127 01128 // The data in this section is null-terminated strings. 01129 SHF_STRINGS = 0x20, 01130 01131 // A field in this section holds a section header table index. 01132 SHF_INFO_LINK = 0x40U, 01133 01134 // Adds special ordering requirements for link editors. 01135 SHF_LINK_ORDER = 0x80U, 01136 01137 // This section requires special OS-specific processing to avoid incorrect 01138 // behavior. 01139 SHF_OS_NONCONFORMING = 0x100U, 01140 01141 // This section is a member of a section group. 01142 SHF_GROUP = 0x200U, 01143 01144 // This section holds Thread-Local Storage. 01145 SHF_TLS = 0x400U, 01146 01147 // Start of target-specific flags. 01148 01149 /// XCORE_SHF_CP_SECTION - All sections with the "c" flag are grouped 01150 /// together by the linker to form the constant pool and the cp register is 01151 /// set to the start of the constant pool by the boot code. 01152 XCORE_SHF_CP_SECTION = 0x800U, 01153 01154 /// XCORE_SHF_DP_SECTION - All sections with the "d" flag are grouped 01155 /// together by the linker to form the data section and the dp register is 01156 /// set to the start of the section by the boot code. 01157 XCORE_SHF_DP_SECTION = 0x1000U, 01158 01159 SHF_MASKOS = 0x0ff00000, 01160 01161 // Bits indicating processor-specific flags. 01162 SHF_MASKPROC = 0xf0000000, 01163 01164 // If an object file section does not have this flag set, then it may not hold 01165 // more than 2GB and can be freely referred to in objects using smaller code 01166 // models. Otherwise, only objects using larger code models can refer to them. 01167 // For example, a medium code model object can refer to data in a section that 01168 // sets this flag besides being able to refer to data in a section that does 01169 // not set it; likewise, a small code model object can refer only to code in a 01170 // section that does not set this flag. 01171 SHF_X86_64_LARGE = 0x10000000, 01172 01173 // All sections with the GPREL flag are grouped into a global data area 01174 // for faster accesses 01175 SHF_HEX_GPREL = 0x10000000, 01176 01177 // Do not strip this section. FIXME: We need target specific SHF_ enums. 01178 SHF_MIPS_NOSTRIP = 0x8000000 01179 }; 01180 01181 // Section Group Flags 01182 enum { 01183 GRP_COMDAT = 0x1, 01184 GRP_MASKOS = 0x0ff00000, 01185 GRP_MASKPROC = 0xf0000000 01186 }; 01187 01188 // Symbol table entries for ELF32. 01189 struct Elf32_Sym { 01190 Elf32_Word st_name; // Symbol name (index into string table) 01191 Elf32_Addr st_value; // Value or address associated with the symbol 01192 Elf32_Word st_size; // Size of the symbol 01193 unsigned char st_info; // Symbol's type and binding attributes 01194 unsigned char st_other; // Must be zero; reserved 01195 Elf32_Half st_shndx; // Which section (header table index) it's defined in 01196 01197 // These accessors and mutators correspond to the ELF32_ST_BIND, 01198 // ELF32_ST_TYPE, and ELF32_ST_INFO macros defined in the ELF specification: 01199 unsigned char getBinding() const { return st_info >> 4; } 01200 unsigned char getType() const { return st_info & 0x0f; } 01201 void setBinding(unsigned char b) { setBindingAndType(b, getType()); } 01202 void setType(unsigned char t) { setBindingAndType(getBinding(), t); } 01203 void setBindingAndType(unsigned char b, unsigned char t) { 01204 st_info = (b << 4) + (t & 0x0f); 01205 } 01206 }; 01207 01208 // Symbol table entries for ELF64. 01209 struct Elf64_Sym { 01210 Elf64_Word st_name; // Symbol name (index into string table) 01211 unsigned char st_info; // Symbol's type and binding attributes 01212 unsigned char st_other; // Must be zero; reserved 01213 Elf64_Half st_shndx; // Which section (header tbl index) it's defined in 01214 Elf64_Addr st_value; // Value or address associated with the symbol 01215 Elf64_Xword st_size; // Size of the symbol 01216 01217 // These accessors and mutators are identical to those defined for ELF32 01218 // symbol table entries. 01219 unsigned char getBinding() const { return st_info >> 4; } 01220 unsigned char getType() const { return st_info & 0x0f; } 01221 void setBinding(unsigned char b) { setBindingAndType(b, getType()); } 01222 void setType(unsigned char t) { setBindingAndType(getBinding(), t); } 01223 void setBindingAndType(unsigned char b, unsigned char t) { 01224 st_info = (b << 4) + (t & 0x0f); 01225 } 01226 }; 01227 01228 // The size (in bytes) of symbol table entries. 01229 enum { 01230 SYMENTRY_SIZE32 = 16, // 32-bit symbol entry size 01231 SYMENTRY_SIZE64 = 24 // 64-bit symbol entry size. 01232 }; 01233 01234 // Symbol bindings. 01235 enum { 01236 STB_LOCAL = 0, // Local symbol, not visible outside obj file containing def 01237 STB_GLOBAL = 1, // Global symbol, visible to all object files being combined 01238 STB_WEAK = 2, // Weak symbol, like global but lower-precedence 01239 STB_LOOS = 10, // Lowest operating system-specific binding type 01240 STB_HIOS = 12, // Highest operating system-specific binding type 01241 STB_LOPROC = 13, // Lowest processor-specific binding type 01242 STB_HIPROC = 15 // Highest processor-specific binding type 01243 }; 01244 01245 // Symbol types. 01246 enum { 01247 STT_NOTYPE = 0, // Symbol's type is not specified 01248 STT_OBJECT = 1, // Symbol is a data object (variable, array, etc.) 01249 STT_FUNC = 2, // Symbol is executable code (function, etc.) 01250 STT_SECTION = 3, // Symbol refers to a section 01251 STT_FILE = 4, // Local, absolute symbol that refers to a file 01252 STT_COMMON = 5, // An uninitialized common block 01253 STT_TLS = 6, // Thread local data object 01254 STT_LOOS = 7, // Lowest operating system-specific symbol type 01255 STT_HIOS = 8, // Highest operating system-specific symbol type 01256 STT_GNU_IFUNC = 10, // GNU indirect function 01257 STT_LOPROC = 13, // Lowest processor-specific symbol type 01258 STT_HIPROC = 15 // Highest processor-specific symbol type 01259 }; 01260 01261 enum { 01262 STV_DEFAULT = 0, // Visibility is specified by binding type 01263 STV_INTERNAL = 1, // Defined by processor supplements 01264 STV_HIDDEN = 2, // Not visible to other components 01265 STV_PROTECTED = 3 // Visible in other components but not preemptable 01266 }; 01267 01268 // Symbol number. 01269 enum { 01270 STN_UNDEF = 0 01271 }; 01272 01273 // Relocation entry, without explicit addend. 01274 struct Elf32_Rel { 01275 Elf32_Addr r_offset; // Location (file byte offset, or program virtual addr) 01276 Elf32_Word r_info; // Symbol table index and type of relocation to apply 01277 01278 // These accessors and mutators correspond to the ELF32_R_SYM, ELF32_R_TYPE, 01279 // and ELF32_R_INFO macros defined in the ELF specification: 01280 Elf32_Word getSymbol() const { return (r_info >> 8); } 01281 unsigned char getType() const { return (unsigned char) (r_info & 0x0ff); } 01282 void setSymbol(Elf32_Word s) { setSymbolAndType(s, getType()); } 01283 void setType(unsigned char t) { setSymbolAndType(getSymbol(), t); } 01284 void setSymbolAndType(Elf32_Word s, unsigned char t) { 01285 r_info = (s << 8) + t; 01286 } 01287 }; 01288 01289 // Relocation entry with explicit addend. 01290 struct Elf32_Rela { 01291 Elf32_Addr r_offset; // Location (file byte offset, or program virtual addr) 01292 Elf32_Word r_info; // Symbol table index and type of relocation to apply 01293 Elf32_Sword r_addend; // Compute value for relocatable field by adding this 01294 01295 // These accessors and mutators correspond to the ELF32_R_SYM, ELF32_R_TYPE, 01296 // and ELF32_R_INFO macros defined in the ELF specification: 01297 Elf32_Word getSymbol() const { return (r_info >> 8); } 01298 unsigned char getType() const { return (unsigned char) (r_info & 0x0ff); } 01299 void setSymbol(Elf32_Word s) { setSymbolAndType(s, getType()); } 01300 void setType(unsigned char t) { setSymbolAndType(getSymbol(), t); } 01301 void setSymbolAndType(Elf32_Word s, unsigned char t) { 01302 r_info = (s << 8) + t; 01303 } 01304 }; 01305 01306 // Relocation entry, without explicit addend. 01307 struct Elf64_Rel { 01308 Elf64_Addr r_offset; // Location (file byte offset, or program virtual addr). 01309 Elf64_Xword r_info; // Symbol table index and type of relocation to apply. 01310 01311 // These accessors and mutators correspond to the ELF64_R_SYM, ELF64_R_TYPE, 01312 // and ELF64_R_INFO macros defined in the ELF specification: 01313 Elf64_Word getSymbol() const { return (r_info >> 32); } 01314 Elf64_Word getType() const { 01315 return (Elf64_Word) (r_info & 0xffffffffL); 01316 } 01317 void setSymbol(Elf64_Word s) { setSymbolAndType(s, getType()); } 01318 void setType(Elf64_Word t) { setSymbolAndType(getSymbol(), t); } 01319 void setSymbolAndType(Elf64_Word s, Elf64_Word t) { 01320 r_info = ((Elf64_Xword)s << 32) + (t&0xffffffffL); 01321 } 01322 }; 01323 01324 // Relocation entry with explicit addend. 01325 struct Elf64_Rela { 01326 Elf64_Addr r_offset; // Location (file byte offset, or program virtual addr). 01327 Elf64_Xword r_info; // Symbol table index and type of relocation to apply. 01328 Elf64_Sxword r_addend; // Compute value for relocatable field by adding this. 01329 01330 // These accessors and mutators correspond to the ELF64_R_SYM, ELF64_R_TYPE, 01331 // and ELF64_R_INFO macros defined in the ELF specification: 01332 Elf64_Word getSymbol() const { return (r_info >> 32); } 01333 Elf64_Word getType() const { 01334 return (Elf64_Word) (r_info & 0xffffffffL); 01335 } 01336 void setSymbol(Elf64_Word s) { setSymbolAndType(s, getType()); } 01337 void setType(Elf64_Word t) { setSymbolAndType(getSymbol(), t); } 01338 void setSymbolAndType(Elf64_Word s, Elf64_Word t) { 01339 r_info = ((Elf64_Xword)s << 32) + (t&0xffffffffL); 01340 } 01341 }; 01342 01343 // Program header for ELF32. 01344 struct Elf32_Phdr { 01345 Elf32_Word p_type; // Type of segment 01346 Elf32_Off p_offset; // File offset where segment is located, in bytes 01347 Elf32_Addr p_vaddr; // Virtual address of beginning of segment 01348 Elf32_Addr p_paddr; // Physical address of beginning of segment (OS-specific) 01349 Elf32_Word p_filesz; // Num. of bytes in file image of segment (may be zero) 01350 Elf32_Word p_memsz; // Num. of bytes in mem image of segment (may be zero) 01351 Elf32_Word p_flags; // Segment flags 01352 Elf32_Word p_align; // Segment alignment constraint 01353 }; 01354 01355 // Program header for ELF64. 01356 struct Elf64_Phdr { 01357 Elf64_Word p_type; // Type of segment 01358 Elf64_Word p_flags; // Segment flags 01359 Elf64_Off p_offset; // File offset where segment is located, in bytes 01360 Elf64_Addr p_vaddr; // Virtual address of beginning of segment 01361 Elf64_Addr p_paddr; // Physical addr of beginning of segment (OS-specific) 01362 Elf64_Xword p_filesz; // Num. of bytes in file image of segment (may be zero) 01363 Elf64_Xword p_memsz; // Num. of bytes in mem image of segment (may be zero) 01364 Elf64_Xword p_align; // Segment alignment constraint 01365 }; 01366 01367 // Segment types. 01368 enum { 01369 PT_NULL = 0, // Unused segment. 01370 PT_LOAD = 1, // Loadable segment. 01371 PT_DYNAMIC = 2, // Dynamic linking information. 01372 PT_INTERP = 3, // Interpreter pathname. 01373 PT_NOTE = 4, // Auxiliary information. 01374 PT_SHLIB = 5, // Reserved. 01375 PT_PHDR = 6, // The program header table itself. 01376 PT_TLS = 7, // The thread-local storage template. 01377 PT_LOOS = 0x60000000, // Lowest operating system-specific pt entry type. 01378 PT_HIOS = 0x6fffffff, // Highest operating system-specific pt entry type. 01379 PT_LOPROC = 0x70000000, // Lowest processor-specific program hdr entry type. 01380 PT_HIPROC = 0x7fffffff, // Highest processor-specific program hdr entry type. 01381 01382 // x86-64 program header types. 01383 // These all contain stack unwind tables. 01384 PT_GNU_EH_FRAME = 0x6474e550, 01385 PT_SUNW_EH_FRAME = 0x6474e550, 01386 PT_SUNW_UNWIND = 0x6464e550, 01387 01388 PT_GNU_STACK = 0x6474e551, // Indicates stack executability. 01389 PT_GNU_RELRO = 0x6474e552, // Read-only after relocation. 01390 01391 // ARM program header types. 01392 PT_ARM_ARCHEXT = 0x70000000, // Platform architecture compatibility info 01393 // These all contain stack unwind tables. 01394 PT_ARM_EXIDX = 0x70000001, 01395 PT_ARM_UNWIND = 0x70000001 01396 }; 01397 01398 // Segment flag bits. 01399 enum { 01400 PF_X = 1, // Execute 01401 PF_W = 2, // Write 01402 PF_R = 4, // Read 01403 PF_MASKOS = 0x0ff00000,// Bits for operating system-specific semantics. 01404 PF_MASKPROC = 0xf0000000 // Bits for processor-specific semantics. 01405 }; 01406 01407 // Dynamic table entry for ELF32. 01408 struct Elf32_Dyn 01409 { 01410 Elf32_Sword d_tag; // Type of dynamic table entry. 01411 union 01412 { 01413 Elf32_Word d_val; // Integer value of entry. 01414 Elf32_Addr d_ptr; // Pointer value of entry. 01415 } d_un; 01416 }; 01417 01418 // Dynamic table entry for ELF64. 01419 struct Elf64_Dyn 01420 { 01421 Elf64_Sxword d_tag; // Type of dynamic table entry. 01422 union 01423 { 01424 Elf64_Xword d_val; // Integer value of entry. 01425 Elf64_Addr d_ptr; // Pointer value of entry. 01426 } d_un; 01427 }; 01428 01429 // Dynamic table entry tags. 01430 enum { 01431 DT_NULL = 0, // Marks end of dynamic array. 01432 DT_NEEDED = 1, // String table offset of needed library. 01433 DT_PLTRELSZ = 2, // Size of relocation entries in PLT. 01434 DT_PLTGOT = 3, // Address associated with linkage table. 01435 DT_HASH = 4, // Address of symbolic hash table. 01436 DT_STRTAB = 5, // Address of dynamic string table. 01437 DT_SYMTAB = 6, // Address of dynamic symbol table. 01438 DT_RELA = 7, // Address of relocation table (Rela entries). 01439 DT_RELASZ = 8, // Size of Rela relocation table. 01440 DT_RELAENT = 9, // Size of a Rela relocation entry. 01441 DT_STRSZ = 10, // Total size of the string table. 01442 DT_SYMENT = 11, // Size of a symbol table entry. 01443 DT_INIT = 12, // Address of initialization function. 01444 DT_FINI = 13, // Address of termination function. 01445 DT_SONAME = 14, // String table offset of a shared objects name. 01446 DT_RPATH = 15, // String table offset of library search path. 01447 DT_SYMBOLIC = 16, // Changes symbol resolution algorithm. 01448 DT_REL = 17, // Address of relocation table (Rel entries). 01449 DT_RELSZ = 18, // Size of Rel relocation table. 01450 DT_RELENT = 19, // Size of a Rel relocation entry. 01451 DT_PLTREL = 20, // Type of relocation entry used for linking. 01452 DT_DEBUG = 21, // Reserved for debugger. 01453 DT_TEXTREL = 22, // Relocations exist for non-writable segments. 01454 DT_JMPREL = 23, // Address of relocations associated with PLT. 01455 DT_BIND_NOW = 24, // Process all relocations before execution. 01456 DT_INIT_ARRAY = 25, // Pointer to array of initialization functions. 01457 DT_FINI_ARRAY = 26, // Pointer to array of termination functions. 01458 DT_INIT_ARRAYSZ = 27, // Size of DT_INIT_ARRAY. 01459 DT_FINI_ARRAYSZ = 28, // Size of DT_FINI_ARRAY. 01460 DT_RUNPATH = 29, // String table offset of lib search path. 01461 DT_FLAGS = 30, // Flags. 01462 DT_ENCODING = 32, // Values from here to DT_LOOS follow the rules 01463 // for the interpretation of the d_un union. 01464 01465 DT_PREINIT_ARRAY = 32, // Pointer to array of preinit functions. 01466 DT_PREINIT_ARRAYSZ = 33, // Size of the DT_PREINIT_ARRAY array. 01467 01468 DT_LOOS = 0x60000000, // Start of environment specific tags. 01469 DT_HIOS = 0x6FFFFFFF, // End of environment specific tags. 01470 DT_LOPROC = 0x70000000, // Start of processor specific tags. 01471 DT_HIPROC = 0x7FFFFFFF, // End of processor specific tags. 01472 01473 DT_RELACOUNT = 0x6FFFFFF9, // ELF32_Rela count. 01474 DT_RELCOUNT = 0x6FFFFFFA, // ELF32_Rel count. 01475 01476 DT_FLAGS_1 = 0X6FFFFFFB, // Flags_1. 01477 DT_VERDEF = 0X6FFFFFFC, // The address of the version definition table. 01478 DT_VERDEFNUM = 0X6FFFFFFD, // The number of entries in DT_VERDEF. 01479 DT_VERNEED = 0X6FFFFFFE, // The address of the version Dependency table. 01480 DT_VERNEEDNUM = 0X6FFFFFFF, // The number of entries in DT_VERNEED. 01481 01482 // Mips specific dynamic table entry tags. 01483 DT_MIPS_RLD_VERSION = 0x70000001, // 32 bit version number for runtime 01484 // linker interface. 01485 DT_MIPS_TIME_STAMP = 0x70000002, // Time stamp. 01486 DT_MIPS_ICHECKSUM = 0x70000003, // Checksum of external strings 01487 // and common sizes. 01488 DT_MIPS_IVERSION = 0x70000004, // Index of version string 01489 // in string table. 01490 DT_MIPS_FLAGS = 0x70000005, // 32 bits of flags. 01491 DT_MIPS_BASE_ADDRESS = 0x70000006, // Base address of the segment. 01492 DT_MIPS_MSYM = 0x70000007, // Address of .msym section. 01493 DT_MIPS_CONFLICT = 0x70000008, // Address of .conflict section. 01494 DT_MIPS_LIBLIST = 0x70000009, // Address of .liblist section. 01495 DT_MIPS_LOCAL_GOTNO = 0x7000000a, // Number of local global offset 01496 // table entries. 01497 DT_MIPS_CONFLICTNO = 0x7000000b, // Number of entries 01498 // in the .conflict section. 01499 DT_MIPS_LIBLISTNO = 0x70000010, // Number of entries 01500 // in the .liblist section. 01501 DT_MIPS_SYMTABNO = 0x70000011, // Number of entries 01502 // in the .dynsym section. 01503 DT_MIPS_UNREFEXTNO = 0x70000012, // Index of first external dynamic symbol 01504 // not referenced locally. 01505 DT_MIPS_GOTSYM = 0x70000013, // Index of first dynamic symbol 01506 // in global offset table. 01507 DT_MIPS_HIPAGENO = 0x70000014, // Number of page table entries 01508 // in global offset table. 01509 DT_MIPS_RLD_MAP = 0x70000016, // Address of run time loader map, 01510 // used for debugging. 01511 DT_MIPS_DELTA_CLASS = 0x70000017, // Delta C++ class definition. 01512 DT_MIPS_DELTA_CLASS_NO = 0x70000018, // Number of entries 01513 // in DT_MIPS_DELTA_CLASS. 01514 DT_MIPS_DELTA_INSTANCE = 0x70000019, // Delta C++ class instances. 01515 DT_MIPS_DELTA_INSTANCE_NO = 0x7000001A, // Number of entries 01516 // in DT_MIPS_DELTA_INSTANCE. 01517 DT_MIPS_DELTA_RELOC = 0x7000001B, // Delta relocations. 01518 DT_MIPS_DELTA_RELOC_NO = 0x7000001C, // Number of entries 01519 // in DT_MIPS_DELTA_RELOC. 01520 DT_MIPS_DELTA_SYM = 0x7000001D, // Delta symbols that Delta 01521 // relocations refer to. 01522 DT_MIPS_DELTA_SYM_NO = 0x7000001E, // Number of entries 01523 // in DT_MIPS_DELTA_SYM. 01524 DT_MIPS_DELTA_CLASSSYM = 0x70000020, // Delta symbols that hold 01525 // class declarations. 01526 DT_MIPS_DELTA_CLASSSYM_NO = 0x70000021, // Number of entries 01527 // in DT_MIPS_DELTA_CLASSSYM. 01528 DT_MIPS_CXX_FLAGS = 0x70000022, // Flags indicating information 01529 // about C++ flavor. 01530 DT_MIPS_PIXIE_INIT = 0x70000023, // Pixie information. 01531 DT_MIPS_SYMBOL_LIB = 0x70000024, // Address of .MIPS.symlib 01532 DT_MIPS_LOCALPAGE_GOTIDX = 0x70000025, // The GOT index of the first PTE 01533 // for a segment 01534 DT_MIPS_LOCAL_GOTIDX = 0x70000026, // The GOT index of the first PTE 01535 // for a local symbol 01536 DT_MIPS_HIDDEN_GOTIDX = 0x70000027, // The GOT index of the first PTE 01537 // for a hidden symbol 01538 DT_MIPS_PROTECTED_GOTIDX = 0x70000028, // The GOT index of the first PTE 01539 // for a protected symbol 01540 DT_MIPS_OPTIONS = 0x70000029, // Address of `.MIPS.options'. 01541 DT_MIPS_INTERFACE = 0x7000002A, // Address of `.interface'. 01542 DT_MIPS_DYNSTR_ALIGN = 0x7000002B, // Unknown. 01543 DT_MIPS_INTERFACE_SIZE = 0x7000002C, // Size of the .interface section. 01544 DT_MIPS_RLD_TEXT_RESOLVE_ADDR = 0x7000002D, // Size of rld_text_resolve 01545 // function stored in the GOT. 01546 DT_MIPS_PERF_SUFFIX = 0x7000002E, // Default suffix of DSO to be added 01547 // by rld on dlopen() calls. 01548 DT_MIPS_COMPACT_SIZE = 0x7000002F, // Size of compact relocation 01549 // section (O32). 01550 DT_MIPS_GP_VALUE = 0x70000030, // GP value for auxiliary GOTs. 01551 DT_MIPS_AUX_DYNAMIC = 0x70000031, // Address of auxiliary .dynamic. 01552 DT_MIPS_PLTGOT = 0x70000032, // Address of the base of the PLTGOT. 01553 DT_MIPS_RWPLT = 0x70000034 // Points to the base 01554 // of a writable PLT. 01555 }; 01556 01557 // DT_FLAGS values. 01558 enum { 01559 DF_ORIGIN = 0x01, // The object may reference $ORIGIN. 01560 DF_SYMBOLIC = 0x02, // Search the shared lib before searching the exe. 01561 DF_TEXTREL = 0x04, // Relocations may modify a non-writable segment. 01562 DF_BIND_NOW = 0x08, // Process all relocations on load. 01563 DF_STATIC_TLS = 0x10 // Reject attempts to load dynamically. 01564 }; 01565 01566 // State flags selectable in the `d_un.d_val' element of the DT_FLAGS_1 entry. 01567 enum { 01568 DF_1_NOW = 0x00000001, // Set RTLD_NOW for this object. 01569 DF_1_GLOBAL = 0x00000002, // Set RTLD_GLOBAL for this object. 01570 DF_1_GROUP = 0x00000004, // Set RTLD_GROUP for this object. 01571 DF_1_NODELETE = 0x00000008, // Set RTLD_NODELETE for this object. 01572 DF_1_LOADFLTR = 0x00000010, // Trigger filtee loading at runtime. 01573 DF_1_INITFIRST = 0x00000020, // Set RTLD_INITFIRST for this object. 01574 DF_1_NOOPEN = 0x00000040, // Set RTLD_NOOPEN for this object. 01575 DF_1_ORIGIN = 0x00000080, // $ORIGIN must be handled. 01576 DF_1_DIRECT = 0x00000100, // Direct binding enabled. 01577 DF_1_TRANS = 0x00000200, 01578 DF_1_INTERPOSE = 0x00000400, // Object is used to interpose. 01579 DF_1_NODEFLIB = 0x00000800, // Ignore default lib search path. 01580 DF_1_NODUMP = 0x00001000, // Object can't be dldump'ed. 01581 DF_1_CONFALT = 0x00002000, // Configuration alternative created. 01582 DF_1_ENDFILTEE = 0x00004000, // Filtee terminates filters search. 01583 DF_1_DISPRELDNE = 0x00008000, // Disp reloc applied at build time. 01584 DF_1_DISPRELPND = 0x00010000 // Disp reloc applied at run-time. 01585 }; 01586 01587 // DT_MIPS_FLAGS values. 01588 enum { 01589 RHF_NONE = 0x00000000, // No flags. 01590 RHF_QUICKSTART = 0x00000001, // Uses shortcut pointers. 01591 RHF_NOTPOT = 0x00000002, // Hash size is not a power of two. 01592 RHS_NO_LIBRARY_REPLACEMENT = 0x00000004, // Ignore LD_LIBRARY_PATH. 01593 RHF_NO_MOVE = 0x00000008, // DSO address may not be relocated. 01594 RHF_SGI_ONLY = 0x00000010, // SGI specific features. 01595 RHF_GUARANTEE_INIT = 0x00000020, // Guarantee that .init will finish 01596 // executing before any non-init 01597 // code in DSO is called. 01598 RHF_DELTA_C_PLUS_PLUS = 0x00000040, // Contains Delta C++ code. 01599 RHF_GUARANTEE_START_INIT = 0x00000080, // Guarantee that .init will start 01600 // executing before any non-init 01601 // code in DSO is called. 01602 RHF_PIXIE = 0x00000100, // Generated by pixie. 01603 RHF_DEFAULT_DELAY_LOAD = 0x00000200, // Delay-load DSO by default. 01604 RHF_REQUICKSTART = 0x00000400, // Object may be requickstarted 01605 RHF_REQUICKSTARTED = 0x00000800, // Object has been requickstarted 01606 RHF_CORD = 0x00001000, // Generated by cord. 01607 RHF_NO_UNRES_UNDEF = 0x00002000, // Object contains no unresolved 01608 // undef symbols. 01609 RHF_RLD_ORDER_SAFE = 0x00004000 // Symbol table is in a safe order. 01610 }; 01611 01612 // ElfXX_VerDef structure version (GNU versioning) 01613 enum { 01614 VER_DEF_NONE = 0, 01615 VER_DEF_CURRENT = 1 01616 }; 01617 01618 // VerDef Flags (ElfXX_VerDef::vd_flags) 01619 enum { 01620 VER_FLG_BASE = 0x1, 01621 VER_FLG_WEAK = 0x2, 01622 VER_FLG_INFO = 0x4 01623 }; 01624 01625 // Special constants for the version table. (SHT_GNU_versym/.gnu.version) 01626 enum { 01627 VER_NDX_LOCAL = 0, // Unversioned local symbol 01628 VER_NDX_GLOBAL = 1, // Unversioned global symbol 01629 VERSYM_VERSION = 0x7fff, // Version Index mask 01630 VERSYM_HIDDEN = 0x8000 // Hidden bit (non-default version) 01631 }; 01632 01633 // ElfXX_VerNeed structure version (GNU versioning) 01634 enum { 01635 VER_NEED_NONE = 0, 01636 VER_NEED_CURRENT = 1 01637 }; 01638 01639 } // end namespace ELF 01640 01641 } // end namespace llvm 01642 01643 #endif
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