1 //===- ELFYAML.cpp - ELF YAMLIO implementation ----------------------------===// 2 // 3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4 // See https://llvm.org/LICENSE.txt for license information. 5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6 // 7 //===----------------------------------------------------------------------===// 8 // 9 // This file defines classes for handling the YAML representation of ELF. 10 // 11 //===----------------------------------------------------------------------===// 12 13 #include "llvm/ObjectYAML/ELFYAML.h" 14 #include "llvm/ADT/MapVector.h" 15 #include "llvm/ADT/StringRef.h" 16 #include "llvm/BinaryFormat/ELF.h" 17 #include "llvm/Support/Casting.h" 18 #include "llvm/Support/ErrorHandling.h" 19 #include "llvm/Support/MipsABIFlags.h" 20 #include "llvm/Support/YAMLTraits.h" 21 #include "llvm/Support/WithColor.h" 22 #include <cassert> 23 #include <cstdint> 24 25 namespace llvm { 26 27 ELFYAML::Section::~Section() = default; 28 29 namespace yaml { 30 31 void ScalarEnumerationTraits<ELFYAML::ELF_ET>::enumeration( 32 IO &IO, ELFYAML::ELF_ET &Value) { 33 #define ECase(X) IO.enumCase(Value, #X, ELF::X) 34 ECase(ET_NONE); 35 ECase(ET_REL); 36 ECase(ET_EXEC); 37 ECase(ET_DYN); 38 ECase(ET_CORE); 39 #undef ECase 40 IO.enumFallback<Hex16>(Value); 41 } 42 43 void ScalarEnumerationTraits<ELFYAML::ELF_PT>::enumeration( 44 IO &IO, ELFYAML::ELF_PT &Value) { 45 #define ECase(X) IO.enumCase(Value, #X, ELF::X) 46 ECase(PT_NULL); 47 ECase(PT_LOAD); 48 ECase(PT_DYNAMIC); 49 ECase(PT_INTERP); 50 ECase(PT_NOTE); 51 ECase(PT_SHLIB); 52 ECase(PT_PHDR); 53 ECase(PT_TLS); 54 ECase(PT_GNU_EH_FRAME); 55 ECase(PT_GNU_STACK); 56 ECase(PT_GNU_RELRO); 57 #undef ECase 58 IO.enumFallback<Hex32>(Value); 59 } 60 61 void ScalarEnumerationTraits<ELFYAML::ELF_EM>::enumeration( 62 IO &IO, ELFYAML::ELF_EM &Value) { 63 #define ECase(X) IO.enumCase(Value, #X, ELF::X) 64 ECase(EM_NONE); 65 ECase(EM_M32); 66 ECase(EM_SPARC); 67 ECase(EM_386); 68 ECase(EM_68K); 69 ECase(EM_88K); 70 ECase(EM_IAMCU); 71 ECase(EM_860); 72 ECase(EM_MIPS); 73 ECase(EM_S370); 74 ECase(EM_MIPS_RS3_LE); 75 ECase(EM_PARISC); 76 ECase(EM_VPP500); 77 ECase(EM_SPARC32PLUS); 78 ECase(EM_960); 79 ECase(EM_PPC); 80 ECase(EM_PPC64); 81 ECase(EM_S390); 82 ECase(EM_SPU); 83 ECase(EM_V800); 84 ECase(EM_FR20); 85 ECase(EM_RH32); 86 ECase(EM_RCE); 87 ECase(EM_ARM); 88 ECase(EM_ALPHA); 89 ECase(EM_SH); 90 ECase(EM_SPARCV9); 91 ECase(EM_TRICORE); 92 ECase(EM_ARC); 93 ECase(EM_H8_300); 94 ECase(EM_H8_300H); 95 ECase(EM_H8S); 96 ECase(EM_H8_500); 97 ECase(EM_IA_64); 98 ECase(EM_MIPS_X); 99 ECase(EM_COLDFIRE); 100 ECase(EM_68HC12); 101 ECase(EM_MMA); 102 ECase(EM_PCP); 103 ECase(EM_NCPU); 104 ECase(EM_NDR1); 105 ECase(EM_STARCORE); 106 ECase(EM_ME16); 107 ECase(EM_ST100); 108 ECase(EM_TINYJ); 109 ECase(EM_X86_64); 110 ECase(EM_PDSP); 111 ECase(EM_PDP10); 112 ECase(EM_PDP11); 113 ECase(EM_FX66); 114 ECase(EM_ST9PLUS); 115 ECase(EM_ST7); 116 ECase(EM_68HC16); 117 ECase(EM_68HC11); 118 ECase(EM_68HC08); 119 ECase(EM_68HC05); 120 ECase(EM_SVX); 121 ECase(EM_ST19); 122 ECase(EM_VAX); 123 ECase(EM_CRIS); 124 ECase(EM_JAVELIN); 125 ECase(EM_FIREPATH); 126 ECase(EM_ZSP); 127 ECase(EM_MMIX); 128 ECase(EM_HUANY); 129 ECase(EM_PRISM); 130 ECase(EM_AVR); 131 ECase(EM_FR30); 132 ECase(EM_D10V); 133 ECase(EM_D30V); 134 ECase(EM_V850); 135 ECase(EM_M32R); 136 ECase(EM_MN10300); 137 ECase(EM_MN10200); 138 ECase(EM_PJ); 139 ECase(EM_OPENRISC); 140 ECase(EM_ARC_COMPACT); 141 ECase(EM_XTENSA); 142 ECase(EM_VIDEOCORE); 143 ECase(EM_TMM_GPP); 144 ECase(EM_NS32K); 145 ECase(EM_TPC); 146 ECase(EM_SNP1K); 147 ECase(EM_ST200); 148 ECase(EM_IP2K); 149 ECase(EM_MAX); 150 ECase(EM_CR); 151 ECase(EM_F2MC16); 152 ECase(EM_MSP430); 153 ECase(EM_BLACKFIN); 154 ECase(EM_SE_C33); 155 ECase(EM_SEP); 156 ECase(EM_ARCA); 157 ECase(EM_UNICORE); 158 ECase(EM_EXCESS); 159 ECase(EM_DXP); 160 ECase(EM_ALTERA_NIOS2); 161 ECase(EM_CRX); 162 ECase(EM_XGATE); 163 ECase(EM_C166); 164 ECase(EM_M16C); 165 ECase(EM_DSPIC30F); 166 ECase(EM_CE); 167 ECase(EM_M32C); 168 ECase(EM_TSK3000); 169 ECase(EM_RS08); 170 ECase(EM_SHARC); 171 ECase(EM_ECOG2); 172 ECase(EM_SCORE7); 173 ECase(EM_DSP24); 174 ECase(EM_VIDEOCORE3); 175 ECase(EM_LATTICEMICO32); 176 ECase(EM_SE_C17); 177 ECase(EM_TI_C6000); 178 ECase(EM_TI_C2000); 179 ECase(EM_TI_C5500); 180 ECase(EM_MMDSP_PLUS); 181 ECase(EM_CYPRESS_M8C); 182 ECase(EM_R32C); 183 ECase(EM_TRIMEDIA); 184 ECase(EM_HEXAGON); 185 ECase(EM_8051); 186 ECase(EM_STXP7X); 187 ECase(EM_NDS32); 188 ECase(EM_ECOG1); 189 ECase(EM_ECOG1X); 190 ECase(EM_MAXQ30); 191 ECase(EM_XIMO16); 192 ECase(EM_MANIK); 193 ECase(EM_CRAYNV2); 194 ECase(EM_RX); 195 ECase(EM_METAG); 196 ECase(EM_MCST_ELBRUS); 197 ECase(EM_ECOG16); 198 ECase(EM_CR16); 199 ECase(EM_ETPU); 200 ECase(EM_SLE9X); 201 ECase(EM_L10M); 202 ECase(EM_K10M); 203 ECase(EM_AARCH64); 204 ECase(EM_AVR32); 205 ECase(EM_STM8); 206 ECase(EM_TILE64); 207 ECase(EM_TILEPRO); 208 ECase(EM_CUDA); 209 ECase(EM_TILEGX); 210 ECase(EM_CLOUDSHIELD); 211 ECase(EM_COREA_1ST); 212 ECase(EM_COREA_2ND); 213 ECase(EM_ARC_COMPACT2); 214 ECase(EM_OPEN8); 215 ECase(EM_RL78); 216 ECase(EM_VIDEOCORE5); 217 ECase(EM_78KOR); 218 ECase(EM_56800EX); 219 ECase(EM_AMDGPU); 220 ECase(EM_RISCV); 221 ECase(EM_LANAI); 222 ECase(EM_BPF); 223 #undef ECase 224 IO.enumFallback<Hex16>(Value); 225 } 226 227 void ScalarEnumerationTraits<ELFYAML::ELF_ELFCLASS>::enumeration( 228 IO &IO, ELFYAML::ELF_ELFCLASS &Value) { 229 #define ECase(X) IO.enumCase(Value, #X, ELF::X) 230 // Since the semantics of ELFCLASSNONE is "invalid", just don't accept it 231 // here. 232 ECase(ELFCLASS32); 233 ECase(ELFCLASS64); 234 #undef ECase 235 } 236 237 void ScalarEnumerationTraits<ELFYAML::ELF_ELFDATA>::enumeration( 238 IO &IO, ELFYAML::ELF_ELFDATA &Value) { 239 #define ECase(X) IO.enumCase(Value, #X, ELF::X) 240 // ELFDATANONE is an invalid data encoding, but we accept it because 241 // we want to be able to produce invalid binaries for the tests. 242 ECase(ELFDATANONE); 243 ECase(ELFDATA2LSB); 244 ECase(ELFDATA2MSB); 245 #undef ECase 246 } 247 248 void ScalarEnumerationTraits<ELFYAML::ELF_ELFOSABI>::enumeration( 249 IO &IO, ELFYAML::ELF_ELFOSABI &Value) { 250 #define ECase(X) IO.enumCase(Value, #X, ELF::X) 251 ECase(ELFOSABI_NONE); 252 ECase(ELFOSABI_HPUX); 253 ECase(ELFOSABI_NETBSD); 254 ECase(ELFOSABI_GNU); 255 ECase(ELFOSABI_HURD); 256 ECase(ELFOSABI_SOLARIS); 257 ECase(ELFOSABI_AIX); 258 ECase(ELFOSABI_IRIX); 259 ECase(ELFOSABI_FREEBSD); 260 ECase(ELFOSABI_TRU64); 261 ECase(ELFOSABI_MODESTO); 262 ECase(ELFOSABI_OPENBSD); 263 ECase(ELFOSABI_OPENVMS); 264 ECase(ELFOSABI_NSK); 265 ECase(ELFOSABI_AROS); 266 ECase(ELFOSABI_FENIXOS); 267 ECase(ELFOSABI_CLOUDABI); 268 ECase(ELFOSABI_AMDGPU_HSA); 269 ECase(ELFOSABI_AMDGPU_PAL); 270 ECase(ELFOSABI_AMDGPU_MESA3D); 271 ECase(ELFOSABI_ARM); 272 ECase(ELFOSABI_C6000_ELFABI); 273 ECase(ELFOSABI_C6000_LINUX); 274 ECase(ELFOSABI_STANDALONE); 275 #undef ECase 276 } 277 278 void ScalarBitSetTraits<ELFYAML::ELF_EF>::bitset(IO &IO, 279 ELFYAML::ELF_EF &Value) { 280 const auto *Object = static_cast<ELFYAML::Object *>(IO.getContext()); 281 assert(Object && "The IO context is not initialized"); 282 #define BCase(X) IO.bitSetCase(Value, #X, ELF::X) 283 #define BCaseMask(X, M) IO.maskedBitSetCase(Value, #X, ELF::X, ELF::M) 284 switch (Object->Header.Machine) { 285 case ELF::EM_ARM: 286 BCase(EF_ARM_SOFT_FLOAT); 287 BCase(EF_ARM_VFP_FLOAT); 288 BCaseMask(EF_ARM_EABI_UNKNOWN, EF_ARM_EABIMASK); 289 BCaseMask(EF_ARM_EABI_VER1, EF_ARM_EABIMASK); 290 BCaseMask(EF_ARM_EABI_VER2, EF_ARM_EABIMASK); 291 BCaseMask(EF_ARM_EABI_VER3, EF_ARM_EABIMASK); 292 BCaseMask(EF_ARM_EABI_VER4, EF_ARM_EABIMASK); 293 BCaseMask(EF_ARM_EABI_VER5, EF_ARM_EABIMASK); 294 break; 295 case ELF::EM_MIPS: 296 BCase(EF_MIPS_NOREORDER); 297 BCase(EF_MIPS_PIC); 298 BCase(EF_MIPS_CPIC); 299 BCase(EF_MIPS_ABI2); 300 BCase(EF_MIPS_32BITMODE); 301 BCase(EF_MIPS_FP64); 302 BCase(EF_MIPS_NAN2008); 303 BCase(EF_MIPS_MICROMIPS); 304 BCase(EF_MIPS_ARCH_ASE_M16); 305 BCase(EF_MIPS_ARCH_ASE_MDMX); 306 BCaseMask(EF_MIPS_ABI_O32, EF_MIPS_ABI); 307 BCaseMask(EF_MIPS_ABI_O64, EF_MIPS_ABI); 308 BCaseMask(EF_MIPS_ABI_EABI32, EF_MIPS_ABI); 309 BCaseMask(EF_MIPS_ABI_EABI64, EF_MIPS_ABI); 310 BCaseMask(EF_MIPS_MACH_3900, EF_MIPS_MACH); 311 BCaseMask(EF_MIPS_MACH_4010, EF_MIPS_MACH); 312 BCaseMask(EF_MIPS_MACH_4100, EF_MIPS_MACH); 313 BCaseMask(EF_MIPS_MACH_4650, EF_MIPS_MACH); 314 BCaseMask(EF_MIPS_MACH_4120, EF_MIPS_MACH); 315 BCaseMask(EF_MIPS_MACH_4111, EF_MIPS_MACH); 316 BCaseMask(EF_MIPS_MACH_SB1, EF_MIPS_MACH); 317 BCaseMask(EF_MIPS_MACH_OCTEON, EF_MIPS_MACH); 318 BCaseMask(EF_MIPS_MACH_XLR, EF_MIPS_MACH); 319 BCaseMask(EF_MIPS_MACH_OCTEON2, EF_MIPS_MACH); 320 BCaseMask(EF_MIPS_MACH_OCTEON3, EF_MIPS_MACH); 321 BCaseMask(EF_MIPS_MACH_5400, EF_MIPS_MACH); 322 BCaseMask(EF_MIPS_MACH_5900, EF_MIPS_MACH); 323 BCaseMask(EF_MIPS_MACH_5500, EF_MIPS_MACH); 324 BCaseMask(EF_MIPS_MACH_9000, EF_MIPS_MACH); 325 BCaseMask(EF_MIPS_MACH_LS2E, EF_MIPS_MACH); 326 BCaseMask(EF_MIPS_MACH_LS2F, EF_MIPS_MACH); 327 BCaseMask(EF_MIPS_MACH_LS3A, EF_MIPS_MACH); 328 BCaseMask(EF_MIPS_ARCH_1, EF_MIPS_ARCH); 329 BCaseMask(EF_MIPS_ARCH_2, EF_MIPS_ARCH); 330 BCaseMask(EF_MIPS_ARCH_3, EF_MIPS_ARCH); 331 BCaseMask(EF_MIPS_ARCH_4, EF_MIPS_ARCH); 332 BCaseMask(EF_MIPS_ARCH_5, EF_MIPS_ARCH); 333 BCaseMask(EF_MIPS_ARCH_32, EF_MIPS_ARCH); 334 BCaseMask(EF_MIPS_ARCH_64, EF_MIPS_ARCH); 335 BCaseMask(EF_MIPS_ARCH_32R2, EF_MIPS_ARCH); 336 BCaseMask(EF_MIPS_ARCH_64R2, EF_MIPS_ARCH); 337 BCaseMask(EF_MIPS_ARCH_32R6, EF_MIPS_ARCH); 338 BCaseMask(EF_MIPS_ARCH_64R6, EF_MIPS_ARCH); 339 break; 340 case ELF::EM_HEXAGON: 341 BCase(EF_HEXAGON_MACH_V2); 342 BCase(EF_HEXAGON_MACH_V3); 343 BCase(EF_HEXAGON_MACH_V4); 344 BCase(EF_HEXAGON_MACH_V5); 345 BCase(EF_HEXAGON_MACH_V55); 346 BCase(EF_HEXAGON_MACH_V60); 347 BCase(EF_HEXAGON_MACH_V62); 348 BCase(EF_HEXAGON_MACH_V65); 349 BCase(EF_HEXAGON_ISA_V2); 350 BCase(EF_HEXAGON_ISA_V3); 351 BCase(EF_HEXAGON_ISA_V4); 352 BCase(EF_HEXAGON_ISA_V5); 353 BCase(EF_HEXAGON_ISA_V55); 354 BCase(EF_HEXAGON_ISA_V60); 355 BCase(EF_HEXAGON_ISA_V62); 356 BCase(EF_HEXAGON_ISA_V65); 357 break; 358 case ELF::EM_AVR: 359 BCase(EF_AVR_ARCH_AVR1); 360 BCase(EF_AVR_ARCH_AVR2); 361 BCase(EF_AVR_ARCH_AVR25); 362 BCase(EF_AVR_ARCH_AVR3); 363 BCase(EF_AVR_ARCH_AVR31); 364 BCase(EF_AVR_ARCH_AVR35); 365 BCase(EF_AVR_ARCH_AVR4); 366 BCase(EF_AVR_ARCH_AVR51); 367 BCase(EF_AVR_ARCH_AVR6); 368 BCase(EF_AVR_ARCH_AVRTINY); 369 BCase(EF_AVR_ARCH_XMEGA1); 370 BCase(EF_AVR_ARCH_XMEGA2); 371 BCase(EF_AVR_ARCH_XMEGA3); 372 BCase(EF_AVR_ARCH_XMEGA4); 373 BCase(EF_AVR_ARCH_XMEGA5); 374 BCase(EF_AVR_ARCH_XMEGA6); 375 BCase(EF_AVR_ARCH_XMEGA7); 376 break; 377 case ELF::EM_RISCV: 378 BCase(EF_RISCV_RVC); 379 BCaseMask(EF_RISCV_FLOAT_ABI_SOFT, EF_RISCV_FLOAT_ABI); 380 BCaseMask(EF_RISCV_FLOAT_ABI_SINGLE, EF_RISCV_FLOAT_ABI); 381 BCaseMask(EF_RISCV_FLOAT_ABI_DOUBLE, EF_RISCV_FLOAT_ABI); 382 BCaseMask(EF_RISCV_FLOAT_ABI_QUAD, EF_RISCV_FLOAT_ABI); 383 BCase(EF_RISCV_RVE); 384 break; 385 case ELF::EM_AMDGPU: 386 BCaseMask(EF_AMDGPU_MACH_NONE, EF_AMDGPU_MACH); 387 BCaseMask(EF_AMDGPU_MACH_R600_R600, EF_AMDGPU_MACH); 388 BCaseMask(EF_AMDGPU_MACH_R600_R630, EF_AMDGPU_MACH); 389 BCaseMask(EF_AMDGPU_MACH_R600_RS880, EF_AMDGPU_MACH); 390 BCaseMask(EF_AMDGPU_MACH_R600_RV670, EF_AMDGPU_MACH); 391 BCaseMask(EF_AMDGPU_MACH_R600_RV710, EF_AMDGPU_MACH); 392 BCaseMask(EF_AMDGPU_MACH_R600_RV730, EF_AMDGPU_MACH); 393 BCaseMask(EF_AMDGPU_MACH_R600_RV770, EF_AMDGPU_MACH); 394 BCaseMask(EF_AMDGPU_MACH_R600_CEDAR, EF_AMDGPU_MACH); 395 BCaseMask(EF_AMDGPU_MACH_R600_CYPRESS, EF_AMDGPU_MACH); 396 BCaseMask(EF_AMDGPU_MACH_R600_JUNIPER, EF_AMDGPU_MACH); 397 BCaseMask(EF_AMDGPU_MACH_R600_REDWOOD, EF_AMDGPU_MACH); 398 BCaseMask(EF_AMDGPU_MACH_R600_SUMO, EF_AMDGPU_MACH); 399 BCaseMask(EF_AMDGPU_MACH_R600_BARTS, EF_AMDGPU_MACH); 400 BCaseMask(EF_AMDGPU_MACH_R600_CAICOS, EF_AMDGPU_MACH); 401 BCaseMask(EF_AMDGPU_MACH_R600_CAYMAN, EF_AMDGPU_MACH); 402 BCaseMask(EF_AMDGPU_MACH_R600_TURKS, EF_AMDGPU_MACH); 403 BCaseMask(EF_AMDGPU_MACH_AMDGCN_GFX600, EF_AMDGPU_MACH); 404 BCaseMask(EF_AMDGPU_MACH_AMDGCN_GFX601, EF_AMDGPU_MACH); 405 BCaseMask(EF_AMDGPU_MACH_AMDGCN_GFX700, EF_AMDGPU_MACH); 406 BCaseMask(EF_AMDGPU_MACH_AMDGCN_GFX701, EF_AMDGPU_MACH); 407 BCaseMask(EF_AMDGPU_MACH_AMDGCN_GFX702, EF_AMDGPU_MACH); 408 BCaseMask(EF_AMDGPU_MACH_AMDGCN_GFX703, EF_AMDGPU_MACH); 409 BCaseMask(EF_AMDGPU_MACH_AMDGCN_GFX704, EF_AMDGPU_MACH); 410 BCaseMask(EF_AMDGPU_MACH_AMDGCN_GFX801, EF_AMDGPU_MACH); 411 BCaseMask(EF_AMDGPU_MACH_AMDGCN_GFX802, EF_AMDGPU_MACH); 412 BCaseMask(EF_AMDGPU_MACH_AMDGCN_GFX803, EF_AMDGPU_MACH); 413 BCaseMask(EF_AMDGPU_MACH_AMDGCN_GFX810, EF_AMDGPU_MACH); 414 BCaseMask(EF_AMDGPU_MACH_AMDGCN_GFX900, EF_AMDGPU_MACH); 415 BCaseMask(EF_AMDGPU_MACH_AMDGCN_GFX902, EF_AMDGPU_MACH); 416 BCaseMask(EF_AMDGPU_MACH_AMDGCN_GFX904, EF_AMDGPU_MACH); 417 BCaseMask(EF_AMDGPU_MACH_AMDGCN_GFX906, EF_AMDGPU_MACH); 418 BCaseMask(EF_AMDGPU_MACH_AMDGCN_GFX908, EF_AMDGPU_MACH); 419 BCaseMask(EF_AMDGPU_MACH_AMDGCN_GFX909, EF_AMDGPU_MACH); 420 BCaseMask(EF_AMDGPU_MACH_AMDGCN_GFX1010, EF_AMDGPU_MACH); 421 BCaseMask(EF_AMDGPU_MACH_AMDGCN_GFX1011, EF_AMDGPU_MACH); 422 BCaseMask(EF_AMDGPU_MACH_AMDGCN_GFX1012, EF_AMDGPU_MACH); 423 BCase(EF_AMDGPU_XNACK); 424 BCase(EF_AMDGPU_SRAM_ECC); 425 break; 426 case ELF::EM_X86_64: 427 break; 428 default: 429 llvm_unreachable("Unsupported architecture"); 430 } 431 #undef BCase 432 #undef BCaseMask 433 } 434 435 void ScalarEnumerationTraits<ELFYAML::ELF_SHT>::enumeration( 436 IO &IO, ELFYAML::ELF_SHT &Value) { 437 const auto *Object = static_cast<ELFYAML::Object *>(IO.getContext()); 438 assert(Object && "The IO context is not initialized"); 439 #define ECase(X) IO.enumCase(Value, #X, ELF::X) 440 ECase(SHT_NULL); 441 ECase(SHT_PROGBITS); 442 ECase(SHT_SYMTAB); 443 // FIXME: Issue a diagnostic with this information. 444 ECase(SHT_STRTAB); 445 ECase(SHT_RELA); 446 ECase(SHT_HASH); 447 ECase(SHT_DYNAMIC); 448 ECase(SHT_NOTE); 449 ECase(SHT_NOBITS); 450 ECase(SHT_REL); 451 ECase(SHT_SHLIB); 452 ECase(SHT_DYNSYM); 453 ECase(SHT_INIT_ARRAY); 454 ECase(SHT_FINI_ARRAY); 455 ECase(SHT_PREINIT_ARRAY); 456 ECase(SHT_GROUP); 457 ECase(SHT_SYMTAB_SHNDX); 458 ECase(SHT_RELR); 459 ECase(SHT_ANDROID_REL); 460 ECase(SHT_ANDROID_RELA); 461 ECase(SHT_ANDROID_RELR); 462 ECase(SHT_LLVM_ODRTAB); 463 ECase(SHT_LLVM_LINKER_OPTIONS); 464 ECase(SHT_LLVM_CALL_GRAPH_PROFILE); 465 ECase(SHT_LLVM_ADDRSIG); 466 ECase(SHT_LLVM_DEPENDENT_LIBRARIES); 467 ECase(SHT_LLVM_SYMPART); 468 ECase(SHT_LLVM_PART_EHDR); 469 ECase(SHT_LLVM_PART_PHDR); 470 ECase(SHT_GNU_ATTRIBUTES); 471 ECase(SHT_GNU_HASH); 472 ECase(SHT_GNU_verdef); 473 ECase(SHT_GNU_verneed); 474 ECase(SHT_GNU_versym); 475 switch (Object->Header.Machine) { 476 case ELF::EM_ARM: 477 ECase(SHT_ARM_EXIDX); 478 ECase(SHT_ARM_PREEMPTMAP); 479 ECase(SHT_ARM_ATTRIBUTES); 480 ECase(SHT_ARM_DEBUGOVERLAY); 481 ECase(SHT_ARM_OVERLAYSECTION); 482 break; 483 case ELF::EM_HEXAGON: 484 ECase(SHT_HEX_ORDERED); 485 break; 486 case ELF::EM_X86_64: 487 ECase(SHT_X86_64_UNWIND); 488 break; 489 case ELF::EM_MIPS: 490 ECase(SHT_MIPS_REGINFO); 491 ECase(SHT_MIPS_OPTIONS); 492 ECase(SHT_MIPS_DWARF); 493 ECase(SHT_MIPS_ABIFLAGS); 494 break; 495 default: 496 // Nothing to do. 497 break; 498 } 499 #undef ECase 500 IO.enumFallback<Hex32>(Value); 501 } 502 503 void ScalarBitSetTraits<ELFYAML::ELF_PF>::bitset(IO &IO, 504 ELFYAML::ELF_PF &Value) { 505 #define BCase(X) IO.bitSetCase(Value, #X, ELF::X) 506 BCase(PF_X); 507 BCase(PF_W); 508 BCase(PF_R); 509 } 510 511 void ScalarBitSetTraits<ELFYAML::ELF_SHF>::bitset(IO &IO, 512 ELFYAML::ELF_SHF &Value) { 513 const auto *Object = static_cast<ELFYAML::Object *>(IO.getContext()); 514 #define BCase(X) IO.bitSetCase(Value, #X, ELF::X) 515 BCase(SHF_WRITE); 516 BCase(SHF_ALLOC); 517 BCase(SHF_EXCLUDE); 518 BCase(SHF_EXECINSTR); 519 BCase(SHF_MERGE); 520 BCase(SHF_STRINGS); 521 BCase(SHF_INFO_LINK); 522 BCase(SHF_LINK_ORDER); 523 BCase(SHF_OS_NONCONFORMING); 524 BCase(SHF_GROUP); 525 BCase(SHF_TLS); 526 BCase(SHF_COMPRESSED); 527 switch (Object->Header.Machine) { 528 case ELF::EM_ARM: 529 BCase(SHF_ARM_PURECODE); 530 break; 531 case ELF::EM_HEXAGON: 532 BCase(SHF_HEX_GPREL); 533 break; 534 case ELF::EM_MIPS: 535 BCase(SHF_MIPS_NODUPES); 536 BCase(SHF_MIPS_NAMES); 537 BCase(SHF_MIPS_LOCAL); 538 BCase(SHF_MIPS_NOSTRIP); 539 BCase(SHF_MIPS_GPREL); 540 BCase(SHF_MIPS_MERGE); 541 BCase(SHF_MIPS_ADDR); 542 BCase(SHF_MIPS_STRING); 543 break; 544 case ELF::EM_X86_64: 545 BCase(SHF_X86_64_LARGE); 546 break; 547 default: 548 // Nothing to do. 549 break; 550 } 551 #undef BCase 552 } 553 554 void ScalarEnumerationTraits<ELFYAML::ELF_SHN>::enumeration( 555 IO &IO, ELFYAML::ELF_SHN &Value) { 556 #define ECase(X) IO.enumCase(Value, #X, ELF::X) 557 ECase(SHN_UNDEF); 558 ECase(SHN_LORESERVE); 559 ECase(SHN_LOPROC); 560 ECase(SHN_HIPROC); 561 ECase(SHN_LOOS); 562 ECase(SHN_HIOS); 563 ECase(SHN_ABS); 564 ECase(SHN_COMMON); 565 ECase(SHN_XINDEX); 566 ECase(SHN_HIRESERVE); 567 ECase(SHN_AMDGPU_LDS); 568 ECase(SHN_HEXAGON_SCOMMON); 569 ECase(SHN_HEXAGON_SCOMMON_1); 570 ECase(SHN_HEXAGON_SCOMMON_2); 571 ECase(SHN_HEXAGON_SCOMMON_4); 572 ECase(SHN_HEXAGON_SCOMMON_8); 573 #undef ECase 574 IO.enumFallback<Hex16>(Value); 575 } 576 577 void ScalarEnumerationTraits<ELFYAML::ELF_STB>::enumeration( 578 IO &IO, ELFYAML::ELF_STB &Value) { 579 #define ECase(X) IO.enumCase(Value, #X, ELF::X) 580 ECase(STB_LOCAL); 581 ECase(STB_GLOBAL); 582 ECase(STB_WEAK); 583 ECase(STB_GNU_UNIQUE); 584 #undef ECase 585 IO.enumFallback<Hex8>(Value); 586 } 587 588 void ScalarEnumerationTraits<ELFYAML::ELF_STT>::enumeration( 589 IO &IO, ELFYAML::ELF_STT &Value) { 590 #define ECase(X) IO.enumCase(Value, #X, ELF::X) 591 ECase(STT_NOTYPE); 592 ECase(STT_OBJECT); 593 ECase(STT_FUNC); 594 ECase(STT_SECTION); 595 ECase(STT_FILE); 596 ECase(STT_COMMON); 597 ECase(STT_TLS); 598 ECase(STT_GNU_IFUNC); 599 #undef ECase 600 IO.enumFallback<Hex8>(Value); 601 } 602 603 604 void ScalarEnumerationTraits<ELFYAML::ELF_RSS>::enumeration( 605 IO &IO, ELFYAML::ELF_RSS &Value) { 606 #define ECase(X) IO.enumCase(Value, #X, ELF::X) 607 ECase(RSS_UNDEF); 608 ECase(RSS_GP); 609 ECase(RSS_GP0); 610 ECase(RSS_LOC); 611 #undef ECase 612 } 613 614 void ScalarEnumerationTraits<ELFYAML::ELF_REL>::enumeration( 615 IO &IO, ELFYAML::ELF_REL &Value) { 616 const auto *Object = static_cast<ELFYAML::Object *>(IO.getContext()); 617 assert(Object && "The IO context is not initialized"); 618 #define ELF_RELOC(X, Y) IO.enumCase(Value, #X, ELF::X); 619 switch (Object->Header.Machine) { 620 case ELF::EM_X86_64: 621 #include "llvm/BinaryFormat/ELFRelocs/x86_64.def" 622 break; 623 case ELF::EM_MIPS: 624 #include "llvm/BinaryFormat/ELFRelocs/Mips.def" 625 break; 626 case ELF::EM_HEXAGON: 627 #include "llvm/BinaryFormat/ELFRelocs/Hexagon.def" 628 break; 629 case ELF::EM_386: 630 case ELF::EM_IAMCU: 631 #include "llvm/BinaryFormat/ELFRelocs/i386.def" 632 break; 633 case ELF::EM_AARCH64: 634 #include "llvm/BinaryFormat/ELFRelocs/AArch64.def" 635 break; 636 case ELF::EM_ARM: 637 #include "llvm/BinaryFormat/ELFRelocs/ARM.def" 638 break; 639 case ELF::EM_ARC: 640 #include "llvm/BinaryFormat/ELFRelocs/ARC.def" 641 break; 642 case ELF::EM_RISCV: 643 #include "llvm/BinaryFormat/ELFRelocs/RISCV.def" 644 break; 645 case ELF::EM_LANAI: 646 #include "llvm/BinaryFormat/ELFRelocs/Lanai.def" 647 break; 648 case ELF::EM_AMDGPU: 649 #include "llvm/BinaryFormat/ELFRelocs/AMDGPU.def" 650 break; 651 case ELF::EM_BPF: 652 #include "llvm/BinaryFormat/ELFRelocs/BPF.def" 653 break; 654 case ELF::EM_PPC64: 655 #include "llvm/BinaryFormat/ELFRelocs/PowerPC64.def" 656 break; 657 default: 658 // Nothing to do. 659 break; 660 } 661 #undef ELF_RELOC 662 IO.enumFallback<Hex32>(Value); 663 } 664 665 void ScalarEnumerationTraits<ELFYAML::ELF_DYNTAG>::enumeration( 666 IO &IO, ELFYAML::ELF_DYNTAG &Value) { 667 const auto *Object = static_cast<ELFYAML::Object *>(IO.getContext()); 668 assert(Object && "The IO context is not initialized"); 669 670 // Disable architecture specific tags by default. We might enable them below. 671 #define AARCH64_DYNAMIC_TAG(name, value) 672 #define MIPS_DYNAMIC_TAG(name, value) 673 #define HEXAGON_DYNAMIC_TAG(name, value) 674 #define PPC_DYNAMIC_TAG(name, value) 675 #define PPC64_DYNAMIC_TAG(name, value) 676 // Ignore marker tags such as DT_HIOS (maps to DT_VERNEEDNUM), etc. 677 #define DYNAMIC_TAG_MARKER(name, value) 678 679 #define STRINGIFY(X) (#X) 680 #define DYNAMIC_TAG(X, Y) IO.enumCase(Value, STRINGIFY(DT_##X), ELF::DT_##X); 681 switch (Object->Header.Machine) { 682 case ELF::EM_AARCH64: 683 #undef AARCH64_DYNAMIC_TAG 684 #define AARCH64_DYNAMIC_TAG(name, value) DYNAMIC_TAG(name, value) 685 #include "llvm/BinaryFormat/DynamicTags.def" 686 #undef AARCH64_DYNAMIC_TAG 687 #define AARCH64_DYNAMIC_TAG(name, value) 688 break; 689 case ELF::EM_MIPS: 690 #undef MIPS_DYNAMIC_TAG 691 #define MIPS_DYNAMIC_TAG(name, value) DYNAMIC_TAG(name, value) 692 #include "llvm/BinaryFormat/DynamicTags.def" 693 #undef MIPS_DYNAMIC_TAG 694 #define MIPS_DYNAMIC_TAG(name, value) 695 break; 696 case ELF::EM_HEXAGON: 697 #undef HEXAGON_DYNAMIC_TAG 698 #define HEXAGON_DYNAMIC_TAG(name, value) DYNAMIC_TAG(name, value) 699 #include "llvm/BinaryFormat/DynamicTags.def" 700 #undef HEXAGON_DYNAMIC_TAG 701 #define HEXAGON_DYNAMIC_TAG(name, value) 702 break; 703 case ELF::EM_PPC: 704 #undef PPC_DYNAMIC_TAG 705 #define PPC_DYNAMIC_TAG(name, value) DYNAMIC_TAG(name, value) 706 #include "llvm/BinaryFormat/DynamicTags.def" 707 #undef PPC_DYNAMIC_TAG 708 #define PPC_DYNAMIC_TAG(name, value) 709 break; 710 case ELF::EM_PPC64: 711 #undef PPC64_DYNAMIC_TAG 712 #define PPC64_DYNAMIC_TAG(name, value) DYNAMIC_TAG(name, value) 713 #include "llvm/BinaryFormat/DynamicTags.def" 714 #undef PPC64_DYNAMIC_TAG 715 #define PPC64_DYNAMIC_TAG(name, value) 716 break; 717 default: 718 #include "llvm/BinaryFormat/DynamicTags.def" 719 break; 720 } 721 #undef AARCH64_DYNAMIC_TAG 722 #undef MIPS_DYNAMIC_TAG 723 #undef HEXAGON_DYNAMIC_TAG 724 #undef PPC_DYNAMIC_TAG 725 #undef PPC64_DYNAMIC_TAG 726 #undef DYNAMIC_TAG_MARKER 727 #undef STRINGIFY 728 #undef DYNAMIC_TAG 729 730 IO.enumFallback<Hex64>(Value); 731 } 732 733 void ScalarEnumerationTraits<ELFYAML::MIPS_AFL_REG>::enumeration( 734 IO &IO, ELFYAML::MIPS_AFL_REG &Value) { 735 #define ECase(X) IO.enumCase(Value, #X, Mips::AFL_##X) 736 ECase(REG_NONE); 737 ECase(REG_32); 738 ECase(REG_64); 739 ECase(REG_128); 740 #undef ECase 741 } 742 743 void ScalarEnumerationTraits<ELFYAML::MIPS_ABI_FP>::enumeration( 744 IO &IO, ELFYAML::MIPS_ABI_FP &Value) { 745 #define ECase(X) IO.enumCase(Value, #X, Mips::Val_GNU_MIPS_ABI_##X) 746 ECase(FP_ANY); 747 ECase(FP_DOUBLE); 748 ECase(FP_SINGLE); 749 ECase(FP_SOFT); 750 ECase(FP_OLD_64); 751 ECase(FP_XX); 752 ECase(FP_64); 753 ECase(FP_64A); 754 #undef ECase 755 } 756 757 void ScalarEnumerationTraits<ELFYAML::MIPS_AFL_EXT>::enumeration( 758 IO &IO, ELFYAML::MIPS_AFL_EXT &Value) { 759 #define ECase(X) IO.enumCase(Value, #X, Mips::AFL_##X) 760 ECase(EXT_NONE); 761 ECase(EXT_XLR); 762 ECase(EXT_OCTEON2); 763 ECase(EXT_OCTEONP); 764 ECase(EXT_LOONGSON_3A); 765 ECase(EXT_OCTEON); 766 ECase(EXT_5900); 767 ECase(EXT_4650); 768 ECase(EXT_4010); 769 ECase(EXT_4100); 770 ECase(EXT_3900); 771 ECase(EXT_10000); 772 ECase(EXT_SB1); 773 ECase(EXT_4111); 774 ECase(EXT_4120); 775 ECase(EXT_5400); 776 ECase(EXT_5500); 777 ECase(EXT_LOONGSON_2E); 778 ECase(EXT_LOONGSON_2F); 779 ECase(EXT_OCTEON3); 780 #undef ECase 781 } 782 783 void ScalarEnumerationTraits<ELFYAML::MIPS_ISA>::enumeration( 784 IO &IO, ELFYAML::MIPS_ISA &Value) { 785 IO.enumCase(Value, "MIPS1", 1); 786 IO.enumCase(Value, "MIPS2", 2); 787 IO.enumCase(Value, "MIPS3", 3); 788 IO.enumCase(Value, "MIPS4", 4); 789 IO.enumCase(Value, "MIPS5", 5); 790 IO.enumCase(Value, "MIPS32", 32); 791 IO.enumCase(Value, "MIPS64", 64); 792 } 793 794 void ScalarBitSetTraits<ELFYAML::MIPS_AFL_ASE>::bitset( 795 IO &IO, ELFYAML::MIPS_AFL_ASE &Value) { 796 #define BCase(X) IO.bitSetCase(Value, #X, Mips::AFL_ASE_##X) 797 BCase(DSP); 798 BCase(DSPR2); 799 BCase(EVA); 800 BCase(MCU); 801 BCase(MDMX); 802 BCase(MIPS3D); 803 BCase(MT); 804 BCase(SMARTMIPS); 805 BCase(VIRT); 806 BCase(MSA); 807 BCase(MIPS16); 808 BCase(MICROMIPS); 809 BCase(XPA); 810 #undef BCase 811 } 812 813 void ScalarBitSetTraits<ELFYAML::MIPS_AFL_FLAGS1>::bitset( 814 IO &IO, ELFYAML::MIPS_AFL_FLAGS1 &Value) { 815 #define BCase(X) IO.bitSetCase(Value, #X, Mips::AFL_FLAGS1_##X) 816 BCase(ODDSPREG); 817 #undef BCase 818 } 819 820 void MappingTraits<ELFYAML::FileHeader>::mapping(IO &IO, 821 ELFYAML::FileHeader &FileHdr) { 822 IO.mapRequired("Class", FileHdr.Class); 823 IO.mapRequired("Data", FileHdr.Data); 824 IO.mapOptional("OSABI", FileHdr.OSABI, ELFYAML::ELF_ELFOSABI(0)); 825 IO.mapOptional("ABIVersion", FileHdr.ABIVersion, Hex8(0)); 826 IO.mapRequired("Type", FileHdr.Type); 827 IO.mapRequired("Machine", FileHdr.Machine); 828 IO.mapOptional("Flags", FileHdr.Flags, ELFYAML::ELF_EF(0)); 829 IO.mapOptional("Entry", FileHdr.Entry, Hex64(0)); 830 831 IO.mapOptional("SHEntSize", FileHdr.SHEntSize); 832 IO.mapOptional("SHOff", FileHdr.SHOff); 833 IO.mapOptional("SHNum", FileHdr.SHNum); 834 IO.mapOptional("SHStrNdx", FileHdr.SHStrNdx); 835 } 836 837 void MappingTraits<ELFYAML::ProgramHeader>::mapping( 838 IO &IO, ELFYAML::ProgramHeader &Phdr) { 839 IO.mapRequired("Type", Phdr.Type); 840 IO.mapOptional("Flags", Phdr.Flags, ELFYAML::ELF_PF(0)); 841 IO.mapOptional("Sections", Phdr.Sections); 842 IO.mapOptional("VAddr", Phdr.VAddr, Hex64(0)); 843 IO.mapOptional("PAddr", Phdr.PAddr, Hex64(0)); 844 IO.mapOptional("Align", Phdr.Align); 845 IO.mapOptional("FileSize", Phdr.FileSize); 846 IO.mapOptional("MemSize", Phdr.MemSize); 847 IO.mapOptional("Offset", Phdr.Offset); 848 } 849 850 LLVM_YAML_STRONG_TYPEDEF(StringRef, StOtherPiece) 851 852 template <> struct ScalarTraits<StOtherPiece> { 853 static void output(const StOtherPiece &Val, void *, raw_ostream &Out) { 854 Out << Val; 855 } 856 static StringRef input(StringRef Scalar, void *, StOtherPiece &Val) { 857 Val = Scalar; 858 return {}; 859 } 860 static QuotingType mustQuote(StringRef) { return QuotingType::None; } 861 }; 862 template <> struct SequenceElementTraits<StOtherPiece> { 863 static const bool flow = true; 864 }; 865 866 namespace { 867 868 struct NormalizedOther { 869 NormalizedOther(IO &IO) : YamlIO(IO) {} 870 NormalizedOther(IO &IO, Optional<uint8_t> Original) : YamlIO(IO) { 871 assert(Original && "This constructor is only used for outputting YAML and " 872 "assumes a non-empty Original"); 873 std::vector<StOtherPiece> Ret; 874 const auto *Object = static_cast<ELFYAML::Object *>(YamlIO.getContext()); 875 for (std::pair<StringRef, uint8_t> &P : 876 getFlags(Object->Header.Machine).takeVector()) { 877 uint8_t FlagValue = P.second; 878 if ((*Original & FlagValue) != FlagValue) 879 continue; 880 *Original &= ~FlagValue; 881 Ret.push_back({P.first}); 882 } 883 884 if (*Original != 0) { 885 UnknownFlagsHolder = std::to_string(*Original); 886 Ret.push_back({UnknownFlagsHolder}); 887 } 888 889 if (!Ret.empty()) 890 Other = std::move(Ret); 891 } 892 893 uint8_t toValue(StringRef Name) { 894 const auto *Object = static_cast<ELFYAML::Object *>(YamlIO.getContext()); 895 MapVector<StringRef, uint8_t> Flags = getFlags(Object->Header.Machine); 896 897 auto It = Flags.find(Name); 898 if (It != Flags.end()) 899 return It->second; 900 901 uint8_t Val; 902 if (to_integer(Name, Val)) 903 return Val; 904 905 YamlIO.setError("an unknown value is used for symbol's 'Other' field: " + 906 Name); 907 return 0; 908 } 909 910 Optional<uint8_t> denormalize(IO &) { 911 if (!Other) 912 return None; 913 uint8_t Ret = 0; 914 for (StOtherPiece &Val : *Other) 915 Ret |= toValue(Val); 916 return Ret; 917 } 918 919 // st_other field is used to encode symbol visibility and platform-dependent 920 // flags and values. This method returns a name to value map that is used for 921 // parsing and encoding this field. 922 MapVector<StringRef, uint8_t> getFlags(unsigned EMachine) { 923 MapVector<StringRef, uint8_t> Map; 924 // STV_* values are just enumeration values. We add them in a reversed order 925 // because when we convert the st_other to named constants when printing 926 // YAML we want to use a maximum number of bits on each step: 927 // when we have st_other == 3, we want to print it as STV_PROTECTED (3), but 928 // not as STV_HIDDEN (2) + STV_INTERNAL (1). 929 Map["STV_PROTECTED"] = ELF::STV_PROTECTED; 930 Map["STV_HIDDEN"] = ELF::STV_HIDDEN; 931 Map["STV_INTERNAL"] = ELF::STV_INTERNAL; 932 // STV_DEFAULT is used to represent the default visibility and has a value 933 // 0. We want to be able to read it from YAML documents, but there is no 934 // reason to print it. 935 if (!YamlIO.outputting()) 936 Map["STV_DEFAULT"] = ELF::STV_DEFAULT; 937 938 // MIPS is not consistent. All of the STO_MIPS_* values are bit flags, 939 // except STO_MIPS_MIPS16 which overlaps them. It should be checked and 940 // consumed first when we print the output, because we do not want to print 941 // any other flags that have the same bits instead. 942 if (EMachine == ELF::EM_MIPS) { 943 Map["STO_MIPS_MIPS16"] = ELF::STO_MIPS_MIPS16; 944 Map["STO_MIPS_MICROMIPS"] = ELF::STO_MIPS_MICROMIPS; 945 Map["STO_MIPS_PIC"] = ELF::STO_MIPS_PIC; 946 Map["STO_MIPS_PLT"] = ELF::STO_MIPS_PLT; 947 Map["STO_MIPS_OPTIONAL"] = ELF::STO_MIPS_OPTIONAL; 948 } 949 return Map; 950 } 951 952 IO &YamlIO; 953 Optional<std::vector<StOtherPiece>> Other; 954 std::string UnknownFlagsHolder; 955 }; 956 957 } // end anonymous namespace 958 959 void MappingTraits<ELFYAML::Symbol>::mapping(IO &IO, ELFYAML::Symbol &Symbol) { 960 IO.mapOptional("Name", Symbol.Name, StringRef()); 961 IO.mapOptional("NameIndex", Symbol.NameIndex); 962 IO.mapOptional("Type", Symbol.Type, ELFYAML::ELF_STT(0)); 963 IO.mapOptional("Section", Symbol.Section, StringRef()); 964 IO.mapOptional("Index", Symbol.Index); 965 IO.mapOptional("Binding", Symbol.Binding, ELFYAML::ELF_STB(0)); 966 IO.mapOptional("Value", Symbol.Value, Hex64(0)); 967 IO.mapOptional("Size", Symbol.Size, Hex64(0)); 968 969 // Symbol's Other field is a bit special. It is usually a field that 970 // represents st_other and holds the symbol visibility. However, on some 971 // platforms, it can contain bit fields and regular values, or even sometimes a 972 // crazy mix of them (see comments for NormalizedOther). Because of this, we 973 // need special handling. 974 MappingNormalization<NormalizedOther, Optional<uint8_t>> Keys(IO, 975 Symbol.Other); 976 IO.mapOptional("Other", Keys->Other); 977 } 978 979 StringRef MappingTraits<ELFYAML::Symbol>::validate(IO &IO, 980 ELFYAML::Symbol &Symbol) { 981 if (Symbol.Index && Symbol.Section.data()) 982 return "Index and Section cannot both be specified for Symbol"; 983 if (Symbol.NameIndex && !Symbol.Name.empty()) 984 return "Name and NameIndex cannot both be specified for Symbol"; 985 return StringRef(); 986 } 987 988 static void commonSectionMapping(IO &IO, ELFYAML::Section &Section) { 989 IO.mapOptional("Name", Section.Name, StringRef()); 990 IO.mapRequired("Type", Section.Type); 991 IO.mapOptional("Flags", Section.Flags); 992 IO.mapOptional("Address", Section.Address, Hex64(0)); 993 IO.mapOptional("Link", Section.Link, StringRef()); 994 IO.mapOptional("AddressAlign", Section.AddressAlign, Hex64(0)); 995 IO.mapOptional("EntSize", Section.EntSize); 996 997 // obj2yaml does not dump these fields. They are expected to be empty when we 998 // are producing YAML, because yaml2obj sets appropriate values for them 999 // automatically when they are not explicitly defined. 1000 assert(!IO.outputting() || 1001 (!Section.ShOffset.hasValue() && !Section.ShSize.hasValue())); 1002 IO.mapOptional("ShName", Section.ShName); 1003 IO.mapOptional("ShOffset", Section.ShOffset); 1004 IO.mapOptional("ShSize", Section.ShSize); 1005 } 1006 1007 static void sectionMapping(IO &IO, ELFYAML::DynamicSection &Section) { 1008 commonSectionMapping(IO, Section); 1009 IO.mapOptional("Entries", Section.Entries); 1010 IO.mapOptional("Content", Section.Content); 1011 } 1012 1013 static void sectionMapping(IO &IO, ELFYAML::RawContentSection &Section) { 1014 commonSectionMapping(IO, Section); 1015 IO.mapOptional("Content", Section.Content); 1016 IO.mapOptional("Size", Section.Size); 1017 IO.mapOptional("Info", Section.Info); 1018 } 1019 1020 static void sectionMapping(IO &IO, ELFYAML::StackSizesSection &Section) { 1021 commonSectionMapping(IO, Section); 1022 IO.mapOptional("Content", Section.Content); 1023 IO.mapOptional("Size", Section.Size); 1024 IO.mapOptional("Entries", Section.Entries); 1025 } 1026 1027 static void sectionMapping(IO &IO, ELFYAML::HashSection &Section) { 1028 commonSectionMapping(IO, Section); 1029 IO.mapOptional("Content", Section.Content); 1030 IO.mapOptional("Bucket", Section.Bucket); 1031 IO.mapOptional("Chain", Section.Chain); 1032 IO.mapOptional("Size", Section.Size); 1033 } 1034 1035 static void sectionMapping(IO &IO, ELFYAML::NoBitsSection &Section) { 1036 commonSectionMapping(IO, Section); 1037 IO.mapOptional("Size", Section.Size, Hex64(0)); 1038 } 1039 1040 static void sectionMapping(IO &IO, ELFYAML::VerdefSection &Section) { 1041 commonSectionMapping(IO, Section); 1042 IO.mapRequired("Info", Section.Info); 1043 IO.mapRequired("Entries", Section.Entries); 1044 } 1045 1046 static void sectionMapping(IO &IO, ELFYAML::SymverSection &Section) { 1047 commonSectionMapping(IO, Section); 1048 IO.mapRequired("Entries", Section.Entries); 1049 } 1050 1051 static void sectionMapping(IO &IO, ELFYAML::VerneedSection &Section) { 1052 commonSectionMapping(IO, Section); 1053 IO.mapRequired("Info", Section.Info); 1054 IO.mapRequired("Dependencies", Section.VerneedV); 1055 } 1056 1057 static void sectionMapping(IO &IO, ELFYAML::RelocationSection &Section) { 1058 commonSectionMapping(IO, Section); 1059 IO.mapOptional("Info", Section.RelocatableSec, StringRef()); 1060 IO.mapOptional("Relocations", Section.Relocations); 1061 } 1062 1063 static void groupSectionMapping(IO &IO, ELFYAML::Group &Group) { 1064 commonSectionMapping(IO, Group); 1065 IO.mapOptional("Info", Group.Signature, StringRef()); 1066 IO.mapRequired("Members", Group.Members); 1067 } 1068 1069 static void sectionMapping(IO &IO, ELFYAML::SymtabShndxSection &Section) { 1070 commonSectionMapping(IO, Section); 1071 IO.mapRequired("Entries", Section.Entries); 1072 } 1073 1074 static void sectionMapping(IO &IO, ELFYAML::AddrsigSection &Section) { 1075 commonSectionMapping(IO, Section); 1076 IO.mapOptional("Content", Section.Content); 1077 IO.mapOptional("Size", Section.Size); 1078 IO.mapOptional("Symbols", Section.Symbols); 1079 } 1080 1081 void MappingTraits<ELFYAML::SectionOrType>::mapping( 1082 IO &IO, ELFYAML::SectionOrType §ionOrType) { 1083 IO.mapRequired("SectionOrType", sectionOrType.sectionNameOrType); 1084 } 1085 1086 void MappingTraits<ELFYAML::SectionName>::mapping( 1087 IO &IO, ELFYAML::SectionName §ionName) { 1088 IO.mapRequired("Section", sectionName.Section); 1089 } 1090 1091 static void sectionMapping(IO &IO, ELFYAML::MipsABIFlags &Section) { 1092 commonSectionMapping(IO, Section); 1093 IO.mapOptional("Version", Section.Version, Hex16(0)); 1094 IO.mapRequired("ISA", Section.ISALevel); 1095 IO.mapOptional("ISARevision", Section.ISARevision, Hex8(0)); 1096 IO.mapOptional("ISAExtension", Section.ISAExtension, 1097 ELFYAML::MIPS_AFL_EXT(Mips::AFL_EXT_NONE)); 1098 IO.mapOptional("ASEs", Section.ASEs, ELFYAML::MIPS_AFL_ASE(0)); 1099 IO.mapOptional("FpABI", Section.FpABI, 1100 ELFYAML::MIPS_ABI_FP(Mips::Val_GNU_MIPS_ABI_FP_ANY)); 1101 IO.mapOptional("GPRSize", Section.GPRSize, 1102 ELFYAML::MIPS_AFL_REG(Mips::AFL_REG_NONE)); 1103 IO.mapOptional("CPR1Size", Section.CPR1Size, 1104 ELFYAML::MIPS_AFL_REG(Mips::AFL_REG_NONE)); 1105 IO.mapOptional("CPR2Size", Section.CPR2Size, 1106 ELFYAML::MIPS_AFL_REG(Mips::AFL_REG_NONE)); 1107 IO.mapOptional("Flags1", Section.Flags1, ELFYAML::MIPS_AFL_FLAGS1(0)); 1108 IO.mapOptional("Flags2", Section.Flags2, Hex32(0)); 1109 } 1110 1111 void MappingTraits<std::unique_ptr<ELFYAML::Section>>::mapping( 1112 IO &IO, std::unique_ptr<ELFYAML::Section> &Section) { 1113 ELFYAML::ELF_SHT sectionType; 1114 if (IO.outputting()) 1115 sectionType = Section->Type; 1116 else 1117 IO.mapRequired("Type", sectionType); 1118 1119 switch (sectionType) { 1120 case ELF::SHT_DYNAMIC: 1121 if (!IO.outputting()) 1122 Section.reset(new ELFYAML::DynamicSection()); 1123 sectionMapping(IO, *cast<ELFYAML::DynamicSection>(Section.get())); 1124 break; 1125 case ELF::SHT_REL: 1126 case ELF::SHT_RELA: 1127 if (!IO.outputting()) 1128 Section.reset(new ELFYAML::RelocationSection()); 1129 sectionMapping(IO, *cast<ELFYAML::RelocationSection>(Section.get())); 1130 break; 1131 case ELF::SHT_GROUP: 1132 if (!IO.outputting()) 1133 Section.reset(new ELFYAML::Group()); 1134 groupSectionMapping(IO, *cast<ELFYAML::Group>(Section.get())); 1135 break; 1136 case ELF::SHT_NOBITS: 1137 if (!IO.outputting()) 1138 Section.reset(new ELFYAML::NoBitsSection()); 1139 sectionMapping(IO, *cast<ELFYAML::NoBitsSection>(Section.get())); 1140 break; 1141 case ELF::SHT_HASH: 1142 if (!IO.outputting()) 1143 Section.reset(new ELFYAML::HashSection()); 1144 sectionMapping(IO, *cast<ELFYAML::HashSection>(Section.get())); 1145 break; 1146 case ELF::SHT_MIPS_ABIFLAGS: 1147 if (!IO.outputting()) 1148 Section.reset(new ELFYAML::MipsABIFlags()); 1149 sectionMapping(IO, *cast<ELFYAML::MipsABIFlags>(Section.get())); 1150 break; 1151 case ELF::SHT_GNU_verdef: 1152 if (!IO.outputting()) 1153 Section.reset(new ELFYAML::VerdefSection()); 1154 sectionMapping(IO, *cast<ELFYAML::VerdefSection>(Section.get())); 1155 break; 1156 case ELF::SHT_GNU_versym: 1157 if (!IO.outputting()) 1158 Section.reset(new ELFYAML::SymverSection()); 1159 sectionMapping(IO, *cast<ELFYAML::SymverSection>(Section.get())); 1160 break; 1161 case ELF::SHT_GNU_verneed: 1162 if (!IO.outputting()) 1163 Section.reset(new ELFYAML::VerneedSection()); 1164 sectionMapping(IO, *cast<ELFYAML::VerneedSection>(Section.get())); 1165 break; 1166 case ELF::SHT_SYMTAB_SHNDX: 1167 if (!IO.outputting()) 1168 Section.reset(new ELFYAML::SymtabShndxSection()); 1169 sectionMapping(IO, *cast<ELFYAML::SymtabShndxSection>(Section.get())); 1170 break; 1171 case ELF::SHT_LLVM_ADDRSIG: 1172 if (!IO.outputting()) 1173 Section.reset(new ELFYAML::AddrsigSection()); 1174 sectionMapping(IO, *cast<ELFYAML::AddrsigSection>(Section.get())); 1175 break; 1176 default: 1177 if (!IO.outputting()) { 1178 StringRef Name; 1179 IO.mapOptional("Name", Name, StringRef()); 1180 Name = ELFYAML::dropUniqueSuffix(Name); 1181 1182 if (ELFYAML::StackSizesSection::nameMatches(Name)) 1183 Section = std::make_unique<ELFYAML::StackSizesSection>(); 1184 else 1185 Section = std::make_unique<ELFYAML::RawContentSection>(); 1186 } 1187 1188 if (auto S = dyn_cast<ELFYAML::RawContentSection>(Section.get())) 1189 sectionMapping(IO, *S); 1190 else 1191 sectionMapping(IO, *cast<ELFYAML::StackSizesSection>(Section.get())); 1192 } 1193 } 1194 1195 StringRef MappingTraits<std::unique_ptr<ELFYAML::Section>>::validate( 1196 IO &io, std::unique_ptr<ELFYAML::Section> &Section) { 1197 if (const auto *RawSection = 1198 dyn_cast<ELFYAML::RawContentSection>(Section.get())) { 1199 if (RawSection->Size && RawSection->Content && 1200 (uint64_t)(*RawSection->Size) < RawSection->Content->binary_size()) 1201 return "Section size must be greater than or equal to the content size"; 1202 return {}; 1203 } 1204 1205 if (const auto *SS = dyn_cast<ELFYAML::StackSizesSection>(Section.get())) { 1206 if (!SS->Entries && !SS->Content && !SS->Size) 1207 return ".stack_sizes: one of Content, Entries and Size must be specified"; 1208 1209 if (SS->Size && SS->Content && 1210 (uint64_t)(*SS->Size) < SS->Content->binary_size()) 1211 return ".stack_sizes: Size must be greater than or equal to the content " 1212 "size"; 1213 1214 // We accept Content, Size or both together when there are no Entries. 1215 if (!SS->Entries) 1216 return {}; 1217 1218 if (SS->Size) 1219 return ".stack_sizes: Size and Entries cannot be used together"; 1220 if (SS->Content) 1221 return ".stack_sizes: Content and Entries cannot be used together"; 1222 return {}; 1223 } 1224 1225 if (const auto *HS = dyn_cast<ELFYAML::HashSection>(Section.get())) { 1226 if (!HS->Content && !HS->Bucket && !HS->Chain && !HS->Size) 1227 return "one of \"Content\", \"Size\", \"Bucket\" or \"Chain\" must be " 1228 "specified"; 1229 1230 if (HS->Content || HS->Size) { 1231 if (HS->Size && HS->Content && 1232 (uint64_t)*HS->Size < HS->Content->binary_size()) 1233 return "\"Size\" must be greater than or equal to the content " 1234 "size"; 1235 1236 if (HS->Bucket) 1237 return "\"Bucket\" cannot be used with \"Content\" or \"Size\""; 1238 if (HS->Chain) 1239 return "\"Chain\" cannot be used with \"Content\" or \"Size\""; 1240 return {}; 1241 } 1242 1243 if ((HS->Bucket && !HS->Chain) || (!HS->Bucket && HS->Chain)) 1244 return "\"Bucket\" and \"Chain\" must be used together"; 1245 return {}; 1246 } 1247 1248 if (const auto *Sec = dyn_cast<ELFYAML::AddrsigSection>(Section.get())) { 1249 if (!Sec->Symbols && !Sec->Content && !Sec->Size) 1250 return "one of \"Content\", \"Size\" or \"Symbols\" must be specified"; 1251 1252 if (Sec->Content || Sec->Size) { 1253 if (Sec->Size && Sec->Content && 1254 (uint64_t)*Sec->Size < Sec->Content->binary_size()) 1255 return "\"Size\" must be greater than or equal to the content " 1256 "size"; 1257 1258 if (Sec->Symbols) 1259 return "\"Symbols\" cannot be used with \"Content\" or \"Size\""; 1260 return {}; 1261 } 1262 1263 if (!Sec->Symbols) 1264 return {}; 1265 1266 for (const ELFYAML::AddrsigSymbol &AS : *Sec->Symbols) 1267 if (AS.Index && AS.Name) 1268 return "\"Index\" and \"Name\" cannot be used together when defining a " 1269 "symbol"; 1270 return {}; 1271 } 1272 1273 return {}; 1274 } 1275 1276 namespace { 1277 1278 struct NormalizedMips64RelType { 1279 NormalizedMips64RelType(IO &) 1280 : Type(ELFYAML::ELF_REL(ELF::R_MIPS_NONE)), 1281 Type2(ELFYAML::ELF_REL(ELF::R_MIPS_NONE)), 1282 Type3(ELFYAML::ELF_REL(ELF::R_MIPS_NONE)), 1283 SpecSym(ELFYAML::ELF_REL(ELF::RSS_UNDEF)) {} 1284 NormalizedMips64RelType(IO &, ELFYAML::ELF_REL Original) 1285 : Type(Original & 0xFF), Type2(Original >> 8 & 0xFF), 1286 Type3(Original >> 16 & 0xFF), SpecSym(Original >> 24 & 0xFF) {} 1287 1288 ELFYAML::ELF_REL denormalize(IO &) { 1289 ELFYAML::ELF_REL Res = Type | Type2 << 8 | Type3 << 16 | SpecSym << 24; 1290 return Res; 1291 } 1292 1293 ELFYAML::ELF_REL Type; 1294 ELFYAML::ELF_REL Type2; 1295 ELFYAML::ELF_REL Type3; 1296 ELFYAML::ELF_RSS SpecSym; 1297 }; 1298 1299 } // end anonymous namespace 1300 1301 void MappingTraits<ELFYAML::StackSizeEntry>::mapping( 1302 IO &IO, ELFYAML::StackSizeEntry &E) { 1303 assert(IO.getContext() && "The IO context is not initialized"); 1304 IO.mapOptional("Address", E.Address, Hex64(0)); 1305 IO.mapRequired("Size", E.Size); 1306 } 1307 1308 void MappingTraits<ELFYAML::DynamicEntry>::mapping(IO &IO, 1309 ELFYAML::DynamicEntry &Rel) { 1310 assert(IO.getContext() && "The IO context is not initialized"); 1311 1312 IO.mapRequired("Tag", Rel.Tag); 1313 IO.mapRequired("Value", Rel.Val); 1314 } 1315 1316 void MappingTraits<ELFYAML::VerdefEntry>::mapping(IO &IO, 1317 ELFYAML::VerdefEntry &E) { 1318 assert(IO.getContext() && "The IO context is not initialized"); 1319 1320 IO.mapRequired("Version", E.Version); 1321 IO.mapRequired("Flags", E.Flags); 1322 IO.mapRequired("VersionNdx", E.VersionNdx); 1323 IO.mapRequired("Hash", E.Hash); 1324 IO.mapRequired("Names", E.VerNames); 1325 } 1326 1327 void MappingTraits<ELFYAML::VerneedEntry>::mapping(IO &IO, 1328 ELFYAML::VerneedEntry &E) { 1329 assert(IO.getContext() && "The IO context is not initialized"); 1330 1331 IO.mapRequired("Version", E.Version); 1332 IO.mapRequired("File", E.File); 1333 IO.mapRequired("Entries", E.AuxV); 1334 } 1335 1336 void MappingTraits<ELFYAML::VernauxEntry>::mapping(IO &IO, 1337 ELFYAML::VernauxEntry &E) { 1338 assert(IO.getContext() && "The IO context is not initialized"); 1339 1340 IO.mapRequired("Name", E.Name); 1341 IO.mapRequired("Hash", E.Hash); 1342 IO.mapRequired("Flags", E.Flags); 1343 IO.mapRequired("Other", E.Other); 1344 } 1345 1346 void MappingTraits<ELFYAML::Relocation>::mapping(IO &IO, 1347 ELFYAML::Relocation &Rel) { 1348 const auto *Object = static_cast<ELFYAML::Object *>(IO.getContext()); 1349 assert(Object && "The IO context is not initialized"); 1350 1351 IO.mapRequired("Offset", Rel.Offset); 1352 IO.mapOptional("Symbol", Rel.Symbol); 1353 1354 if (Object->Header.Machine == ELFYAML::ELF_EM(ELF::EM_MIPS) && 1355 Object->Header.Class == ELFYAML::ELF_ELFCLASS(ELF::ELFCLASS64)) { 1356 MappingNormalization<NormalizedMips64RelType, ELFYAML::ELF_REL> Key( 1357 IO, Rel.Type); 1358 IO.mapRequired("Type", Key->Type); 1359 IO.mapOptional("Type2", Key->Type2, ELFYAML::ELF_REL(ELF::R_MIPS_NONE)); 1360 IO.mapOptional("Type3", Key->Type3, ELFYAML::ELF_REL(ELF::R_MIPS_NONE)); 1361 IO.mapOptional("SpecSym", Key->SpecSym, ELFYAML::ELF_RSS(ELF::RSS_UNDEF)); 1362 } else 1363 IO.mapRequired("Type", Rel.Type); 1364 1365 IO.mapOptional("Addend", Rel.Addend, (int64_t)0); 1366 } 1367 1368 void MappingTraits<ELFYAML::Object>::mapping(IO &IO, ELFYAML::Object &Object) { 1369 assert(!IO.getContext() && "The IO context is initialized already"); 1370 IO.setContext(&Object); 1371 IO.mapTag("!ELF", true); 1372 IO.mapRequired("FileHeader", Object.Header); 1373 IO.mapOptional("ProgramHeaders", Object.ProgramHeaders); 1374 IO.mapOptional("Sections", Object.Sections); 1375 IO.mapOptional("Symbols", Object.Symbols); 1376 IO.mapOptional("DynamicSymbols", Object.DynamicSymbols); 1377 IO.setContext(nullptr); 1378 } 1379 1380 void MappingTraits<ELFYAML::AddrsigSymbol>::mapping(IO &IO, ELFYAML::AddrsigSymbol &Sym) { 1381 assert(IO.getContext() && "The IO context is not initialized"); 1382 IO.mapOptional("Name", Sym.Name); 1383 IO.mapOptional("Index", Sym.Index); 1384 } 1385 1386 LLVM_YAML_STRONG_TYPEDEF(uint8_t, MIPS_AFL_REG) 1387 LLVM_YAML_STRONG_TYPEDEF(uint8_t, MIPS_ABI_FP) 1388 LLVM_YAML_STRONG_TYPEDEF(uint32_t, MIPS_AFL_EXT) 1389 LLVM_YAML_STRONG_TYPEDEF(uint32_t, MIPS_AFL_ASE) 1390 LLVM_YAML_STRONG_TYPEDEF(uint32_t, MIPS_AFL_FLAGS1) 1391 1392 } // end namespace yaml 1393 1394 } // end namespace llvm 1395