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::Chunk::~Chunk() = default; 28 29 namespace ELFYAML { 30 unsigned Object::getMachine() const { 31 if (Header.Machine) 32 return *Header.Machine; 33 return llvm::ELF::EM_NONE; 34 } 35 } // namespace ELFYAML 36 37 namespace yaml { 38 39 void ScalarEnumerationTraits<ELFYAML::ELF_ET>::enumeration( 40 IO &IO, ELFYAML::ELF_ET &Value) { 41 #define ECase(X) IO.enumCase(Value, #X, ELF::X) 42 ECase(ET_NONE); 43 ECase(ET_REL); 44 ECase(ET_EXEC); 45 ECase(ET_DYN); 46 ECase(ET_CORE); 47 #undef ECase 48 IO.enumFallback<Hex16>(Value); 49 } 50 51 void ScalarEnumerationTraits<ELFYAML::ELF_PT>::enumeration( 52 IO &IO, ELFYAML::ELF_PT &Value) { 53 #define ECase(X) IO.enumCase(Value, #X, ELF::X) 54 ECase(PT_NULL); 55 ECase(PT_LOAD); 56 ECase(PT_DYNAMIC); 57 ECase(PT_INTERP); 58 ECase(PT_NOTE); 59 ECase(PT_SHLIB); 60 ECase(PT_PHDR); 61 ECase(PT_TLS); 62 ECase(PT_GNU_EH_FRAME); 63 ECase(PT_GNU_STACK); 64 ECase(PT_GNU_RELRO); 65 ECase(PT_GNU_PROPERTY); 66 #undef ECase 67 IO.enumFallback<Hex32>(Value); 68 } 69 70 void ScalarEnumerationTraits<ELFYAML::ELF_EM>::enumeration( 71 IO &IO, ELFYAML::ELF_EM &Value) { 72 #define ECase(X) IO.enumCase(Value, #X, ELF::X) 73 ECase(EM_NONE); 74 ECase(EM_M32); 75 ECase(EM_SPARC); 76 ECase(EM_386); 77 ECase(EM_68K); 78 ECase(EM_88K); 79 ECase(EM_IAMCU); 80 ECase(EM_860); 81 ECase(EM_MIPS); 82 ECase(EM_S370); 83 ECase(EM_MIPS_RS3_LE); 84 ECase(EM_PARISC); 85 ECase(EM_VPP500); 86 ECase(EM_SPARC32PLUS); 87 ECase(EM_960); 88 ECase(EM_PPC); 89 ECase(EM_PPC64); 90 ECase(EM_S390); 91 ECase(EM_SPU); 92 ECase(EM_V800); 93 ECase(EM_FR20); 94 ECase(EM_RH32); 95 ECase(EM_RCE); 96 ECase(EM_ARM); 97 ECase(EM_ALPHA); 98 ECase(EM_SH); 99 ECase(EM_SPARCV9); 100 ECase(EM_TRICORE); 101 ECase(EM_ARC); 102 ECase(EM_H8_300); 103 ECase(EM_H8_300H); 104 ECase(EM_H8S); 105 ECase(EM_H8_500); 106 ECase(EM_IA_64); 107 ECase(EM_MIPS_X); 108 ECase(EM_COLDFIRE); 109 ECase(EM_68HC12); 110 ECase(EM_MMA); 111 ECase(EM_PCP); 112 ECase(EM_NCPU); 113 ECase(EM_NDR1); 114 ECase(EM_STARCORE); 115 ECase(EM_ME16); 116 ECase(EM_ST100); 117 ECase(EM_TINYJ); 118 ECase(EM_X86_64); 119 ECase(EM_PDSP); 120 ECase(EM_PDP10); 121 ECase(EM_PDP11); 122 ECase(EM_FX66); 123 ECase(EM_ST9PLUS); 124 ECase(EM_ST7); 125 ECase(EM_68HC16); 126 ECase(EM_68HC11); 127 ECase(EM_68HC08); 128 ECase(EM_68HC05); 129 ECase(EM_SVX); 130 ECase(EM_ST19); 131 ECase(EM_VAX); 132 ECase(EM_CRIS); 133 ECase(EM_JAVELIN); 134 ECase(EM_FIREPATH); 135 ECase(EM_ZSP); 136 ECase(EM_MMIX); 137 ECase(EM_HUANY); 138 ECase(EM_PRISM); 139 ECase(EM_AVR); 140 ECase(EM_FR30); 141 ECase(EM_D10V); 142 ECase(EM_D30V); 143 ECase(EM_V850); 144 ECase(EM_M32R); 145 ECase(EM_MN10300); 146 ECase(EM_MN10200); 147 ECase(EM_PJ); 148 ECase(EM_OPENRISC); 149 ECase(EM_ARC_COMPACT); 150 ECase(EM_XTENSA); 151 ECase(EM_VIDEOCORE); 152 ECase(EM_TMM_GPP); 153 ECase(EM_NS32K); 154 ECase(EM_TPC); 155 ECase(EM_SNP1K); 156 ECase(EM_ST200); 157 ECase(EM_IP2K); 158 ECase(EM_MAX); 159 ECase(EM_CR); 160 ECase(EM_F2MC16); 161 ECase(EM_MSP430); 162 ECase(EM_BLACKFIN); 163 ECase(EM_SE_C33); 164 ECase(EM_SEP); 165 ECase(EM_ARCA); 166 ECase(EM_UNICORE); 167 ECase(EM_EXCESS); 168 ECase(EM_DXP); 169 ECase(EM_ALTERA_NIOS2); 170 ECase(EM_CRX); 171 ECase(EM_XGATE); 172 ECase(EM_C166); 173 ECase(EM_M16C); 174 ECase(EM_DSPIC30F); 175 ECase(EM_CE); 176 ECase(EM_M32C); 177 ECase(EM_TSK3000); 178 ECase(EM_RS08); 179 ECase(EM_SHARC); 180 ECase(EM_ECOG2); 181 ECase(EM_SCORE7); 182 ECase(EM_DSP24); 183 ECase(EM_VIDEOCORE3); 184 ECase(EM_LATTICEMICO32); 185 ECase(EM_SE_C17); 186 ECase(EM_TI_C6000); 187 ECase(EM_TI_C2000); 188 ECase(EM_TI_C5500); 189 ECase(EM_MMDSP_PLUS); 190 ECase(EM_CYPRESS_M8C); 191 ECase(EM_R32C); 192 ECase(EM_TRIMEDIA); 193 ECase(EM_HEXAGON); 194 ECase(EM_8051); 195 ECase(EM_STXP7X); 196 ECase(EM_NDS32); 197 ECase(EM_ECOG1); 198 ECase(EM_ECOG1X); 199 ECase(EM_MAXQ30); 200 ECase(EM_XIMO16); 201 ECase(EM_MANIK); 202 ECase(EM_CRAYNV2); 203 ECase(EM_RX); 204 ECase(EM_METAG); 205 ECase(EM_MCST_ELBRUS); 206 ECase(EM_ECOG16); 207 ECase(EM_CR16); 208 ECase(EM_ETPU); 209 ECase(EM_SLE9X); 210 ECase(EM_L10M); 211 ECase(EM_K10M); 212 ECase(EM_AARCH64); 213 ECase(EM_AVR32); 214 ECase(EM_STM8); 215 ECase(EM_TILE64); 216 ECase(EM_TILEPRO); 217 ECase(EM_CUDA); 218 ECase(EM_TILEGX); 219 ECase(EM_CLOUDSHIELD); 220 ECase(EM_COREA_1ST); 221 ECase(EM_COREA_2ND); 222 ECase(EM_ARC_COMPACT2); 223 ECase(EM_OPEN8); 224 ECase(EM_RL78); 225 ECase(EM_VIDEOCORE5); 226 ECase(EM_78KOR); 227 ECase(EM_56800EX); 228 ECase(EM_AMDGPU); 229 ECase(EM_RISCV); 230 ECase(EM_LANAI); 231 ECase(EM_BPF); 232 ECase(EM_VE); 233 #undef ECase 234 IO.enumFallback<Hex16>(Value); 235 } 236 237 void ScalarEnumerationTraits<ELFYAML::ELF_ELFCLASS>::enumeration( 238 IO &IO, ELFYAML::ELF_ELFCLASS &Value) { 239 #define ECase(X) IO.enumCase(Value, #X, ELF::X) 240 // Since the semantics of ELFCLASSNONE is "invalid", just don't accept it 241 // here. 242 ECase(ELFCLASS32); 243 ECase(ELFCLASS64); 244 #undef ECase 245 } 246 247 void ScalarEnumerationTraits<ELFYAML::ELF_ELFDATA>::enumeration( 248 IO &IO, ELFYAML::ELF_ELFDATA &Value) { 249 #define ECase(X) IO.enumCase(Value, #X, ELF::X) 250 // ELFDATANONE is an invalid data encoding, but we accept it because 251 // we want to be able to produce invalid binaries for the tests. 252 ECase(ELFDATANONE); 253 ECase(ELFDATA2LSB); 254 ECase(ELFDATA2MSB); 255 #undef ECase 256 } 257 258 void ScalarEnumerationTraits<ELFYAML::ELF_ELFOSABI>::enumeration( 259 IO &IO, ELFYAML::ELF_ELFOSABI &Value) { 260 #define ECase(X) IO.enumCase(Value, #X, ELF::X) 261 ECase(ELFOSABI_NONE); 262 ECase(ELFOSABI_HPUX); 263 ECase(ELFOSABI_NETBSD); 264 ECase(ELFOSABI_GNU); 265 ECase(ELFOSABI_LINUX); 266 ECase(ELFOSABI_HURD); 267 ECase(ELFOSABI_SOLARIS); 268 ECase(ELFOSABI_AIX); 269 ECase(ELFOSABI_IRIX); 270 ECase(ELFOSABI_FREEBSD); 271 ECase(ELFOSABI_TRU64); 272 ECase(ELFOSABI_MODESTO); 273 ECase(ELFOSABI_OPENBSD); 274 ECase(ELFOSABI_OPENVMS); 275 ECase(ELFOSABI_NSK); 276 ECase(ELFOSABI_AROS); 277 ECase(ELFOSABI_FENIXOS); 278 ECase(ELFOSABI_CLOUDABI); 279 ECase(ELFOSABI_AMDGPU_HSA); 280 ECase(ELFOSABI_AMDGPU_PAL); 281 ECase(ELFOSABI_AMDGPU_MESA3D); 282 ECase(ELFOSABI_ARM); 283 ECase(ELFOSABI_C6000_ELFABI); 284 ECase(ELFOSABI_C6000_LINUX); 285 ECase(ELFOSABI_STANDALONE); 286 #undef ECase 287 IO.enumFallback<Hex8>(Value); 288 } 289 290 void ScalarBitSetTraits<ELFYAML::ELF_EF>::bitset(IO &IO, 291 ELFYAML::ELF_EF &Value) { 292 const auto *Object = static_cast<ELFYAML::Object *>(IO.getContext()); 293 assert(Object && "The IO context is not initialized"); 294 #define BCase(X) IO.bitSetCase(Value, #X, ELF::X) 295 #define BCaseMask(X, M) IO.maskedBitSetCase(Value, #X, ELF::X, ELF::M) 296 switch (Object->getMachine()) { 297 case ELF::EM_ARM: 298 BCase(EF_ARM_SOFT_FLOAT); 299 BCase(EF_ARM_VFP_FLOAT); 300 BCaseMask(EF_ARM_EABI_UNKNOWN, EF_ARM_EABIMASK); 301 BCaseMask(EF_ARM_EABI_VER1, EF_ARM_EABIMASK); 302 BCaseMask(EF_ARM_EABI_VER2, EF_ARM_EABIMASK); 303 BCaseMask(EF_ARM_EABI_VER3, EF_ARM_EABIMASK); 304 BCaseMask(EF_ARM_EABI_VER4, EF_ARM_EABIMASK); 305 BCaseMask(EF_ARM_EABI_VER5, EF_ARM_EABIMASK); 306 break; 307 case ELF::EM_MIPS: 308 BCase(EF_MIPS_NOREORDER); 309 BCase(EF_MIPS_PIC); 310 BCase(EF_MIPS_CPIC); 311 BCase(EF_MIPS_ABI2); 312 BCase(EF_MIPS_32BITMODE); 313 BCase(EF_MIPS_FP64); 314 BCase(EF_MIPS_NAN2008); 315 BCase(EF_MIPS_MICROMIPS); 316 BCase(EF_MIPS_ARCH_ASE_M16); 317 BCase(EF_MIPS_ARCH_ASE_MDMX); 318 BCaseMask(EF_MIPS_ABI_O32, EF_MIPS_ABI); 319 BCaseMask(EF_MIPS_ABI_O64, EF_MIPS_ABI); 320 BCaseMask(EF_MIPS_ABI_EABI32, EF_MIPS_ABI); 321 BCaseMask(EF_MIPS_ABI_EABI64, EF_MIPS_ABI); 322 BCaseMask(EF_MIPS_MACH_3900, EF_MIPS_MACH); 323 BCaseMask(EF_MIPS_MACH_4010, EF_MIPS_MACH); 324 BCaseMask(EF_MIPS_MACH_4100, EF_MIPS_MACH); 325 BCaseMask(EF_MIPS_MACH_4650, EF_MIPS_MACH); 326 BCaseMask(EF_MIPS_MACH_4120, EF_MIPS_MACH); 327 BCaseMask(EF_MIPS_MACH_4111, EF_MIPS_MACH); 328 BCaseMask(EF_MIPS_MACH_SB1, EF_MIPS_MACH); 329 BCaseMask(EF_MIPS_MACH_OCTEON, EF_MIPS_MACH); 330 BCaseMask(EF_MIPS_MACH_XLR, EF_MIPS_MACH); 331 BCaseMask(EF_MIPS_MACH_OCTEON2, EF_MIPS_MACH); 332 BCaseMask(EF_MIPS_MACH_OCTEON3, EF_MIPS_MACH); 333 BCaseMask(EF_MIPS_MACH_5400, EF_MIPS_MACH); 334 BCaseMask(EF_MIPS_MACH_5900, EF_MIPS_MACH); 335 BCaseMask(EF_MIPS_MACH_5500, EF_MIPS_MACH); 336 BCaseMask(EF_MIPS_MACH_9000, EF_MIPS_MACH); 337 BCaseMask(EF_MIPS_MACH_LS2E, EF_MIPS_MACH); 338 BCaseMask(EF_MIPS_MACH_LS2F, EF_MIPS_MACH); 339 BCaseMask(EF_MIPS_MACH_LS3A, EF_MIPS_MACH); 340 BCaseMask(EF_MIPS_ARCH_1, EF_MIPS_ARCH); 341 BCaseMask(EF_MIPS_ARCH_2, EF_MIPS_ARCH); 342 BCaseMask(EF_MIPS_ARCH_3, EF_MIPS_ARCH); 343 BCaseMask(EF_MIPS_ARCH_4, EF_MIPS_ARCH); 344 BCaseMask(EF_MIPS_ARCH_5, EF_MIPS_ARCH); 345 BCaseMask(EF_MIPS_ARCH_32, EF_MIPS_ARCH); 346 BCaseMask(EF_MIPS_ARCH_64, EF_MIPS_ARCH); 347 BCaseMask(EF_MIPS_ARCH_32R2, EF_MIPS_ARCH); 348 BCaseMask(EF_MIPS_ARCH_64R2, EF_MIPS_ARCH); 349 BCaseMask(EF_MIPS_ARCH_32R6, EF_MIPS_ARCH); 350 BCaseMask(EF_MIPS_ARCH_64R6, EF_MIPS_ARCH); 351 break; 352 case ELF::EM_HEXAGON: 353 BCase(EF_HEXAGON_MACH_V2); 354 BCase(EF_HEXAGON_MACH_V3); 355 BCase(EF_HEXAGON_MACH_V4); 356 BCase(EF_HEXAGON_MACH_V5); 357 BCase(EF_HEXAGON_MACH_V55); 358 BCase(EF_HEXAGON_MACH_V60); 359 BCase(EF_HEXAGON_MACH_V62); 360 BCase(EF_HEXAGON_MACH_V65); 361 BCase(EF_HEXAGON_MACH_V66); 362 BCase(EF_HEXAGON_MACH_V67); 363 BCase(EF_HEXAGON_MACH_V67T); 364 BCase(EF_HEXAGON_ISA_V2); 365 BCase(EF_HEXAGON_ISA_V3); 366 BCase(EF_HEXAGON_ISA_V4); 367 BCase(EF_HEXAGON_ISA_V5); 368 BCase(EF_HEXAGON_ISA_V55); 369 BCase(EF_HEXAGON_ISA_V60); 370 BCase(EF_HEXAGON_ISA_V62); 371 BCase(EF_HEXAGON_ISA_V65); 372 BCase(EF_HEXAGON_ISA_V66); 373 BCase(EF_HEXAGON_ISA_V67); 374 break; 375 case ELF::EM_AVR: 376 BCase(EF_AVR_ARCH_AVR1); 377 BCase(EF_AVR_ARCH_AVR2); 378 BCase(EF_AVR_ARCH_AVR25); 379 BCase(EF_AVR_ARCH_AVR3); 380 BCase(EF_AVR_ARCH_AVR31); 381 BCase(EF_AVR_ARCH_AVR35); 382 BCase(EF_AVR_ARCH_AVR4); 383 BCase(EF_AVR_ARCH_AVR51); 384 BCase(EF_AVR_ARCH_AVR6); 385 BCase(EF_AVR_ARCH_AVRTINY); 386 BCase(EF_AVR_ARCH_XMEGA1); 387 BCase(EF_AVR_ARCH_XMEGA2); 388 BCase(EF_AVR_ARCH_XMEGA3); 389 BCase(EF_AVR_ARCH_XMEGA4); 390 BCase(EF_AVR_ARCH_XMEGA5); 391 BCase(EF_AVR_ARCH_XMEGA6); 392 BCase(EF_AVR_ARCH_XMEGA7); 393 break; 394 case ELF::EM_RISCV: 395 BCase(EF_RISCV_RVC); 396 BCaseMask(EF_RISCV_FLOAT_ABI_SOFT, EF_RISCV_FLOAT_ABI); 397 BCaseMask(EF_RISCV_FLOAT_ABI_SINGLE, EF_RISCV_FLOAT_ABI); 398 BCaseMask(EF_RISCV_FLOAT_ABI_DOUBLE, EF_RISCV_FLOAT_ABI); 399 BCaseMask(EF_RISCV_FLOAT_ABI_QUAD, EF_RISCV_FLOAT_ABI); 400 BCase(EF_RISCV_RVE); 401 break; 402 case ELF::EM_AMDGPU: 403 BCaseMask(EF_AMDGPU_MACH_NONE, EF_AMDGPU_MACH); 404 BCaseMask(EF_AMDGPU_MACH_R600_R600, EF_AMDGPU_MACH); 405 BCaseMask(EF_AMDGPU_MACH_R600_R630, EF_AMDGPU_MACH); 406 BCaseMask(EF_AMDGPU_MACH_R600_RS880, EF_AMDGPU_MACH); 407 BCaseMask(EF_AMDGPU_MACH_R600_RV670, EF_AMDGPU_MACH); 408 BCaseMask(EF_AMDGPU_MACH_R600_RV710, EF_AMDGPU_MACH); 409 BCaseMask(EF_AMDGPU_MACH_R600_RV730, EF_AMDGPU_MACH); 410 BCaseMask(EF_AMDGPU_MACH_R600_RV770, EF_AMDGPU_MACH); 411 BCaseMask(EF_AMDGPU_MACH_R600_CEDAR, EF_AMDGPU_MACH); 412 BCaseMask(EF_AMDGPU_MACH_R600_CYPRESS, EF_AMDGPU_MACH); 413 BCaseMask(EF_AMDGPU_MACH_R600_JUNIPER, EF_AMDGPU_MACH); 414 BCaseMask(EF_AMDGPU_MACH_R600_REDWOOD, EF_AMDGPU_MACH); 415 BCaseMask(EF_AMDGPU_MACH_R600_SUMO, EF_AMDGPU_MACH); 416 BCaseMask(EF_AMDGPU_MACH_R600_BARTS, EF_AMDGPU_MACH); 417 BCaseMask(EF_AMDGPU_MACH_R600_CAICOS, EF_AMDGPU_MACH); 418 BCaseMask(EF_AMDGPU_MACH_R600_CAYMAN, EF_AMDGPU_MACH); 419 BCaseMask(EF_AMDGPU_MACH_R600_TURKS, EF_AMDGPU_MACH); 420 BCaseMask(EF_AMDGPU_MACH_AMDGCN_GFX600, EF_AMDGPU_MACH); 421 BCaseMask(EF_AMDGPU_MACH_AMDGCN_GFX601, EF_AMDGPU_MACH); 422 BCaseMask(EF_AMDGPU_MACH_AMDGCN_GFX700, EF_AMDGPU_MACH); 423 BCaseMask(EF_AMDGPU_MACH_AMDGCN_GFX701, EF_AMDGPU_MACH); 424 BCaseMask(EF_AMDGPU_MACH_AMDGCN_GFX702, EF_AMDGPU_MACH); 425 BCaseMask(EF_AMDGPU_MACH_AMDGCN_GFX703, EF_AMDGPU_MACH); 426 BCaseMask(EF_AMDGPU_MACH_AMDGCN_GFX704, EF_AMDGPU_MACH); 427 BCaseMask(EF_AMDGPU_MACH_AMDGCN_GFX801, EF_AMDGPU_MACH); 428 BCaseMask(EF_AMDGPU_MACH_AMDGCN_GFX802, EF_AMDGPU_MACH); 429 BCaseMask(EF_AMDGPU_MACH_AMDGCN_GFX803, EF_AMDGPU_MACH); 430 BCaseMask(EF_AMDGPU_MACH_AMDGCN_GFX810, EF_AMDGPU_MACH); 431 BCaseMask(EF_AMDGPU_MACH_AMDGCN_GFX900, EF_AMDGPU_MACH); 432 BCaseMask(EF_AMDGPU_MACH_AMDGCN_GFX902, EF_AMDGPU_MACH); 433 BCaseMask(EF_AMDGPU_MACH_AMDGCN_GFX904, EF_AMDGPU_MACH); 434 BCaseMask(EF_AMDGPU_MACH_AMDGCN_GFX906, EF_AMDGPU_MACH); 435 BCaseMask(EF_AMDGPU_MACH_AMDGCN_GFX908, EF_AMDGPU_MACH); 436 BCaseMask(EF_AMDGPU_MACH_AMDGCN_GFX909, EF_AMDGPU_MACH); 437 BCaseMask(EF_AMDGPU_MACH_AMDGCN_GFX1010, EF_AMDGPU_MACH); 438 BCaseMask(EF_AMDGPU_MACH_AMDGCN_GFX1011, EF_AMDGPU_MACH); 439 BCaseMask(EF_AMDGPU_MACH_AMDGCN_GFX1012, EF_AMDGPU_MACH); 440 BCaseMask(EF_AMDGPU_MACH_AMDGCN_GFX1030, EF_AMDGPU_MACH); 441 BCaseMask(EF_AMDGPU_MACH_AMDGCN_GFX1031, EF_AMDGPU_MACH); 442 BCase(EF_AMDGPU_XNACK); 443 BCase(EF_AMDGPU_SRAM_ECC); 444 break; 445 default: 446 break; 447 } 448 #undef BCase 449 #undef BCaseMask 450 } 451 452 void ScalarEnumerationTraits<ELFYAML::ELF_SHT>::enumeration( 453 IO &IO, ELFYAML::ELF_SHT &Value) { 454 const auto *Object = static_cast<ELFYAML::Object *>(IO.getContext()); 455 assert(Object && "The IO context is not initialized"); 456 #define ECase(X) IO.enumCase(Value, #X, ELF::X) 457 ECase(SHT_NULL); 458 ECase(SHT_PROGBITS); 459 ECase(SHT_SYMTAB); 460 // FIXME: Issue a diagnostic with this information. 461 ECase(SHT_STRTAB); 462 ECase(SHT_RELA); 463 ECase(SHT_HASH); 464 ECase(SHT_DYNAMIC); 465 ECase(SHT_NOTE); 466 ECase(SHT_NOBITS); 467 ECase(SHT_REL); 468 ECase(SHT_SHLIB); 469 ECase(SHT_DYNSYM); 470 ECase(SHT_INIT_ARRAY); 471 ECase(SHT_FINI_ARRAY); 472 ECase(SHT_PREINIT_ARRAY); 473 ECase(SHT_GROUP); 474 ECase(SHT_SYMTAB_SHNDX); 475 ECase(SHT_RELR); 476 ECase(SHT_ANDROID_REL); 477 ECase(SHT_ANDROID_RELA); 478 ECase(SHT_ANDROID_RELR); 479 ECase(SHT_LLVM_ODRTAB); 480 ECase(SHT_LLVM_LINKER_OPTIONS); 481 ECase(SHT_LLVM_CALL_GRAPH_PROFILE); 482 ECase(SHT_LLVM_ADDRSIG); 483 ECase(SHT_LLVM_DEPENDENT_LIBRARIES); 484 ECase(SHT_LLVM_SYMPART); 485 ECase(SHT_LLVM_PART_EHDR); 486 ECase(SHT_LLVM_PART_PHDR); 487 ECase(SHT_GNU_ATTRIBUTES); 488 ECase(SHT_GNU_HASH); 489 ECase(SHT_GNU_verdef); 490 ECase(SHT_GNU_verneed); 491 ECase(SHT_GNU_versym); 492 switch (Object->getMachine()) { 493 case ELF::EM_ARM: 494 ECase(SHT_ARM_EXIDX); 495 ECase(SHT_ARM_PREEMPTMAP); 496 ECase(SHT_ARM_ATTRIBUTES); 497 ECase(SHT_ARM_DEBUGOVERLAY); 498 ECase(SHT_ARM_OVERLAYSECTION); 499 break; 500 case ELF::EM_HEXAGON: 501 ECase(SHT_HEX_ORDERED); 502 break; 503 case ELF::EM_X86_64: 504 ECase(SHT_X86_64_UNWIND); 505 break; 506 case ELF::EM_MIPS: 507 ECase(SHT_MIPS_REGINFO); 508 ECase(SHT_MIPS_OPTIONS); 509 ECase(SHT_MIPS_DWARF); 510 ECase(SHT_MIPS_ABIFLAGS); 511 break; 512 case ELF::EM_RISCV: 513 ECase(SHT_RISCV_ATTRIBUTES); 514 break; 515 default: 516 // Nothing to do. 517 break; 518 } 519 #undef ECase 520 IO.enumFallback<Hex32>(Value); 521 } 522 523 void ScalarBitSetTraits<ELFYAML::ELF_PF>::bitset(IO &IO, 524 ELFYAML::ELF_PF &Value) { 525 #define BCase(X) IO.bitSetCase(Value, #X, ELF::X) 526 BCase(PF_X); 527 BCase(PF_W); 528 BCase(PF_R); 529 } 530 531 void ScalarBitSetTraits<ELFYAML::ELF_SHF>::bitset(IO &IO, 532 ELFYAML::ELF_SHF &Value) { 533 const auto *Object = static_cast<ELFYAML::Object *>(IO.getContext()); 534 #define BCase(X) IO.bitSetCase(Value, #X, ELF::X) 535 BCase(SHF_WRITE); 536 BCase(SHF_ALLOC); 537 BCase(SHF_EXCLUDE); 538 BCase(SHF_EXECINSTR); 539 BCase(SHF_MERGE); 540 BCase(SHF_STRINGS); 541 BCase(SHF_INFO_LINK); 542 BCase(SHF_LINK_ORDER); 543 BCase(SHF_OS_NONCONFORMING); 544 BCase(SHF_GROUP); 545 BCase(SHF_TLS); 546 BCase(SHF_COMPRESSED); 547 switch (Object->getMachine()) { 548 case ELF::EM_ARM: 549 BCase(SHF_ARM_PURECODE); 550 break; 551 case ELF::EM_HEXAGON: 552 BCase(SHF_HEX_GPREL); 553 break; 554 case ELF::EM_MIPS: 555 BCase(SHF_MIPS_NODUPES); 556 BCase(SHF_MIPS_NAMES); 557 BCase(SHF_MIPS_LOCAL); 558 BCase(SHF_MIPS_NOSTRIP); 559 BCase(SHF_MIPS_GPREL); 560 BCase(SHF_MIPS_MERGE); 561 BCase(SHF_MIPS_ADDR); 562 BCase(SHF_MIPS_STRING); 563 break; 564 case ELF::EM_X86_64: 565 BCase(SHF_X86_64_LARGE); 566 break; 567 default: 568 // Nothing to do. 569 break; 570 } 571 #undef BCase 572 } 573 574 void ScalarEnumerationTraits<ELFYAML::ELF_SHN>::enumeration( 575 IO &IO, ELFYAML::ELF_SHN &Value) { 576 #define ECase(X) IO.enumCase(Value, #X, ELF::X) 577 ECase(SHN_UNDEF); 578 ECase(SHN_LORESERVE); 579 ECase(SHN_LOPROC); 580 ECase(SHN_HIPROC); 581 ECase(SHN_LOOS); 582 ECase(SHN_HIOS); 583 ECase(SHN_ABS); 584 ECase(SHN_COMMON); 585 ECase(SHN_XINDEX); 586 ECase(SHN_HIRESERVE); 587 ECase(SHN_AMDGPU_LDS); 588 ECase(SHN_HEXAGON_SCOMMON); 589 ECase(SHN_HEXAGON_SCOMMON_1); 590 ECase(SHN_HEXAGON_SCOMMON_2); 591 ECase(SHN_HEXAGON_SCOMMON_4); 592 ECase(SHN_HEXAGON_SCOMMON_8); 593 #undef ECase 594 IO.enumFallback<Hex16>(Value); 595 } 596 597 void ScalarEnumerationTraits<ELFYAML::ELF_STB>::enumeration( 598 IO &IO, ELFYAML::ELF_STB &Value) { 599 #define ECase(X) IO.enumCase(Value, #X, ELF::X) 600 ECase(STB_LOCAL); 601 ECase(STB_GLOBAL); 602 ECase(STB_WEAK); 603 ECase(STB_GNU_UNIQUE); 604 #undef ECase 605 IO.enumFallback<Hex8>(Value); 606 } 607 608 void ScalarEnumerationTraits<ELFYAML::ELF_STT>::enumeration( 609 IO &IO, ELFYAML::ELF_STT &Value) { 610 #define ECase(X) IO.enumCase(Value, #X, ELF::X) 611 ECase(STT_NOTYPE); 612 ECase(STT_OBJECT); 613 ECase(STT_FUNC); 614 ECase(STT_SECTION); 615 ECase(STT_FILE); 616 ECase(STT_COMMON); 617 ECase(STT_TLS); 618 ECase(STT_GNU_IFUNC); 619 #undef ECase 620 IO.enumFallback<Hex8>(Value); 621 } 622 623 624 void ScalarEnumerationTraits<ELFYAML::ELF_RSS>::enumeration( 625 IO &IO, ELFYAML::ELF_RSS &Value) { 626 #define ECase(X) IO.enumCase(Value, #X, ELF::X) 627 ECase(RSS_UNDEF); 628 ECase(RSS_GP); 629 ECase(RSS_GP0); 630 ECase(RSS_LOC); 631 #undef ECase 632 } 633 634 void ScalarEnumerationTraits<ELFYAML::ELF_REL>::enumeration( 635 IO &IO, ELFYAML::ELF_REL &Value) { 636 const auto *Object = static_cast<ELFYAML::Object *>(IO.getContext()); 637 assert(Object && "The IO context is not initialized"); 638 #define ELF_RELOC(X, Y) IO.enumCase(Value, #X, ELF::X); 639 switch (Object->getMachine()) { 640 case ELF::EM_X86_64: 641 #include "llvm/BinaryFormat/ELFRelocs/x86_64.def" 642 break; 643 case ELF::EM_MIPS: 644 #include "llvm/BinaryFormat/ELFRelocs/Mips.def" 645 break; 646 case ELF::EM_HEXAGON: 647 #include "llvm/BinaryFormat/ELFRelocs/Hexagon.def" 648 break; 649 case ELF::EM_386: 650 case ELF::EM_IAMCU: 651 #include "llvm/BinaryFormat/ELFRelocs/i386.def" 652 break; 653 case ELF::EM_AARCH64: 654 #include "llvm/BinaryFormat/ELFRelocs/AArch64.def" 655 break; 656 case ELF::EM_ARM: 657 #include "llvm/BinaryFormat/ELFRelocs/ARM.def" 658 break; 659 case ELF::EM_ARC: 660 #include "llvm/BinaryFormat/ELFRelocs/ARC.def" 661 break; 662 case ELF::EM_RISCV: 663 #include "llvm/BinaryFormat/ELFRelocs/RISCV.def" 664 break; 665 case ELF::EM_LANAI: 666 #include "llvm/BinaryFormat/ELFRelocs/Lanai.def" 667 break; 668 case ELF::EM_AMDGPU: 669 #include "llvm/BinaryFormat/ELFRelocs/AMDGPU.def" 670 break; 671 case ELF::EM_BPF: 672 #include "llvm/BinaryFormat/ELFRelocs/BPF.def" 673 break; 674 case ELF::EM_VE: 675 #include "llvm/BinaryFormat/ELFRelocs/VE.def" 676 break; 677 case ELF::EM_PPC64: 678 #include "llvm/BinaryFormat/ELFRelocs/PowerPC64.def" 679 break; 680 default: 681 // Nothing to do. 682 break; 683 } 684 #undef ELF_RELOC 685 IO.enumFallback<Hex32>(Value); 686 } 687 688 void ScalarEnumerationTraits<ELFYAML::ELF_DYNTAG>::enumeration( 689 IO &IO, ELFYAML::ELF_DYNTAG &Value) { 690 const auto *Object = static_cast<ELFYAML::Object *>(IO.getContext()); 691 assert(Object && "The IO context is not initialized"); 692 693 // Disable architecture specific tags by default. We might enable them below. 694 #define AARCH64_DYNAMIC_TAG(name, value) 695 #define MIPS_DYNAMIC_TAG(name, value) 696 #define HEXAGON_DYNAMIC_TAG(name, value) 697 #define PPC_DYNAMIC_TAG(name, value) 698 #define PPC64_DYNAMIC_TAG(name, value) 699 // Ignore marker tags such as DT_HIOS (maps to DT_VERNEEDNUM), etc. 700 #define DYNAMIC_TAG_MARKER(name, value) 701 702 #define STRINGIFY(X) (#X) 703 #define DYNAMIC_TAG(X, Y) IO.enumCase(Value, STRINGIFY(DT_##X), ELF::DT_##X); 704 switch (Object->getMachine()) { 705 case ELF::EM_AARCH64: 706 #undef AARCH64_DYNAMIC_TAG 707 #define AARCH64_DYNAMIC_TAG(name, value) DYNAMIC_TAG(name, value) 708 #include "llvm/BinaryFormat/DynamicTags.def" 709 #undef AARCH64_DYNAMIC_TAG 710 #define AARCH64_DYNAMIC_TAG(name, value) 711 break; 712 case ELF::EM_MIPS: 713 #undef MIPS_DYNAMIC_TAG 714 #define MIPS_DYNAMIC_TAG(name, value) DYNAMIC_TAG(name, value) 715 #include "llvm/BinaryFormat/DynamicTags.def" 716 #undef MIPS_DYNAMIC_TAG 717 #define MIPS_DYNAMIC_TAG(name, value) 718 break; 719 case ELF::EM_HEXAGON: 720 #undef HEXAGON_DYNAMIC_TAG 721 #define HEXAGON_DYNAMIC_TAG(name, value) DYNAMIC_TAG(name, value) 722 #include "llvm/BinaryFormat/DynamicTags.def" 723 #undef HEXAGON_DYNAMIC_TAG 724 #define HEXAGON_DYNAMIC_TAG(name, value) 725 break; 726 case ELF::EM_PPC: 727 #undef PPC_DYNAMIC_TAG 728 #define PPC_DYNAMIC_TAG(name, value) DYNAMIC_TAG(name, value) 729 #include "llvm/BinaryFormat/DynamicTags.def" 730 #undef PPC_DYNAMIC_TAG 731 #define PPC_DYNAMIC_TAG(name, value) 732 break; 733 case ELF::EM_PPC64: 734 #undef PPC64_DYNAMIC_TAG 735 #define PPC64_DYNAMIC_TAG(name, value) DYNAMIC_TAG(name, value) 736 #include "llvm/BinaryFormat/DynamicTags.def" 737 #undef PPC64_DYNAMIC_TAG 738 #define PPC64_DYNAMIC_TAG(name, value) 739 break; 740 default: 741 #include "llvm/BinaryFormat/DynamicTags.def" 742 break; 743 } 744 #undef AARCH64_DYNAMIC_TAG 745 #undef MIPS_DYNAMIC_TAG 746 #undef HEXAGON_DYNAMIC_TAG 747 #undef PPC_DYNAMIC_TAG 748 #undef PPC64_DYNAMIC_TAG 749 #undef DYNAMIC_TAG_MARKER 750 #undef STRINGIFY 751 #undef DYNAMIC_TAG 752 753 IO.enumFallback<Hex64>(Value); 754 } 755 756 void ScalarEnumerationTraits<ELFYAML::MIPS_AFL_REG>::enumeration( 757 IO &IO, ELFYAML::MIPS_AFL_REG &Value) { 758 #define ECase(X) IO.enumCase(Value, #X, Mips::AFL_##X) 759 ECase(REG_NONE); 760 ECase(REG_32); 761 ECase(REG_64); 762 ECase(REG_128); 763 #undef ECase 764 } 765 766 void ScalarEnumerationTraits<ELFYAML::MIPS_ABI_FP>::enumeration( 767 IO &IO, ELFYAML::MIPS_ABI_FP &Value) { 768 #define ECase(X) IO.enumCase(Value, #X, Mips::Val_GNU_MIPS_ABI_##X) 769 ECase(FP_ANY); 770 ECase(FP_DOUBLE); 771 ECase(FP_SINGLE); 772 ECase(FP_SOFT); 773 ECase(FP_OLD_64); 774 ECase(FP_XX); 775 ECase(FP_64); 776 ECase(FP_64A); 777 #undef ECase 778 } 779 780 void ScalarEnumerationTraits<ELFYAML::MIPS_AFL_EXT>::enumeration( 781 IO &IO, ELFYAML::MIPS_AFL_EXT &Value) { 782 #define ECase(X) IO.enumCase(Value, #X, Mips::AFL_##X) 783 ECase(EXT_NONE); 784 ECase(EXT_XLR); 785 ECase(EXT_OCTEON2); 786 ECase(EXT_OCTEONP); 787 ECase(EXT_LOONGSON_3A); 788 ECase(EXT_OCTEON); 789 ECase(EXT_5900); 790 ECase(EXT_4650); 791 ECase(EXT_4010); 792 ECase(EXT_4100); 793 ECase(EXT_3900); 794 ECase(EXT_10000); 795 ECase(EXT_SB1); 796 ECase(EXT_4111); 797 ECase(EXT_4120); 798 ECase(EXT_5400); 799 ECase(EXT_5500); 800 ECase(EXT_LOONGSON_2E); 801 ECase(EXT_LOONGSON_2F); 802 ECase(EXT_OCTEON3); 803 #undef ECase 804 } 805 806 void ScalarEnumerationTraits<ELFYAML::MIPS_ISA>::enumeration( 807 IO &IO, ELFYAML::MIPS_ISA &Value) { 808 IO.enumCase(Value, "MIPS1", 1); 809 IO.enumCase(Value, "MIPS2", 2); 810 IO.enumCase(Value, "MIPS3", 3); 811 IO.enumCase(Value, "MIPS4", 4); 812 IO.enumCase(Value, "MIPS5", 5); 813 IO.enumCase(Value, "MIPS32", 32); 814 IO.enumCase(Value, "MIPS64", 64); 815 } 816 817 void ScalarBitSetTraits<ELFYAML::MIPS_AFL_ASE>::bitset( 818 IO &IO, ELFYAML::MIPS_AFL_ASE &Value) { 819 #define BCase(X) IO.bitSetCase(Value, #X, Mips::AFL_ASE_##X) 820 BCase(DSP); 821 BCase(DSPR2); 822 BCase(EVA); 823 BCase(MCU); 824 BCase(MDMX); 825 BCase(MIPS3D); 826 BCase(MT); 827 BCase(SMARTMIPS); 828 BCase(VIRT); 829 BCase(MSA); 830 BCase(MIPS16); 831 BCase(MICROMIPS); 832 BCase(XPA); 833 BCase(CRC); 834 BCase(GINV); 835 #undef BCase 836 } 837 838 void ScalarBitSetTraits<ELFYAML::MIPS_AFL_FLAGS1>::bitset( 839 IO &IO, ELFYAML::MIPS_AFL_FLAGS1 &Value) { 840 #define BCase(X) IO.bitSetCase(Value, #X, Mips::AFL_FLAGS1_##X) 841 BCase(ODDSPREG); 842 #undef BCase 843 } 844 845 void MappingTraits<ELFYAML::SectionHeader>::mapping( 846 IO &IO, ELFYAML::SectionHeader &SHdr) { 847 IO.mapRequired("Name", SHdr.Name); 848 } 849 850 void MappingTraits<ELFYAML::SectionHeaderTable>::mapping( 851 IO &IO, ELFYAML::SectionHeaderTable &SectionHeader) { 852 IO.mapOptional("Sections", SectionHeader.Sections); 853 IO.mapOptional("Excluded", SectionHeader.Excluded); 854 IO.mapOptional("NoHeaders", SectionHeader.NoHeaders); 855 } 856 857 StringRef MappingTraits<ELFYAML::SectionHeaderTable>::validate( 858 IO &IO, ELFYAML::SectionHeaderTable &SecHdrTable) { 859 if (SecHdrTable.NoHeaders && (SecHdrTable.Sections || SecHdrTable.Excluded)) 860 return "NoHeaders can't be used together with Sections/Excluded"; 861 if (!SecHdrTable.NoHeaders && !SecHdrTable.Sections && !SecHdrTable.Excluded) 862 return "SectionHeaderTable can't be empty. Use 'NoHeaders' key to drop the " 863 "section header table"; 864 return StringRef(); 865 } 866 867 void MappingTraits<ELFYAML::FileHeader>::mapping(IO &IO, 868 ELFYAML::FileHeader &FileHdr) { 869 IO.mapRequired("Class", FileHdr.Class); 870 IO.mapRequired("Data", FileHdr.Data); 871 IO.mapOptional("OSABI", FileHdr.OSABI, ELFYAML::ELF_ELFOSABI(0)); 872 IO.mapOptional("ABIVersion", FileHdr.ABIVersion, Hex8(0)); 873 IO.mapRequired("Type", FileHdr.Type); 874 IO.mapOptional("Machine", FileHdr.Machine); 875 IO.mapOptional("Flags", FileHdr.Flags, ELFYAML::ELF_EF(0)); 876 IO.mapOptional("Entry", FileHdr.Entry, Hex64(0)); 877 878 // obj2yaml does not dump these fields. 879 assert(!IO.outputting() || 880 (!FileHdr.EPhOff && !FileHdr.EPhEntSize && !FileHdr.EPhNum)); 881 IO.mapOptional("EPhOff", FileHdr.EPhOff); 882 IO.mapOptional("EPhEntSize", FileHdr.EPhEntSize); 883 IO.mapOptional("EPhNum", FileHdr.EPhNum); 884 IO.mapOptional("EShEntSize", FileHdr.EShEntSize); 885 IO.mapOptional("EShOff", FileHdr.EShOff); 886 IO.mapOptional("EShNum", FileHdr.EShNum); 887 IO.mapOptional("EShStrNdx", FileHdr.EShStrNdx); 888 } 889 890 void MappingTraits<ELFYAML::ProgramHeader>::mapping( 891 IO &IO, ELFYAML::ProgramHeader &Phdr) { 892 IO.mapRequired("Type", Phdr.Type); 893 IO.mapOptional("Flags", Phdr.Flags, ELFYAML::ELF_PF(0)); 894 IO.mapOptional("Sections", Phdr.Sections); 895 IO.mapOptional("VAddr", Phdr.VAddr, Hex64(0)); 896 IO.mapOptional("PAddr", Phdr.PAddr, Phdr.VAddr); 897 IO.mapOptional("Align", Phdr.Align); 898 IO.mapOptional("FileSize", Phdr.FileSize); 899 IO.mapOptional("MemSize", Phdr.MemSize); 900 IO.mapOptional("Offset", Phdr.Offset); 901 } 902 903 LLVM_YAML_STRONG_TYPEDEF(StringRef, StOtherPiece) 904 905 template <> struct ScalarTraits<StOtherPiece> { 906 static void output(const StOtherPiece &Val, void *, raw_ostream &Out) { 907 Out << Val; 908 } 909 static StringRef input(StringRef Scalar, void *, StOtherPiece &Val) { 910 Val = Scalar; 911 return {}; 912 } 913 static QuotingType mustQuote(StringRef) { return QuotingType::None; } 914 }; 915 template <> struct SequenceElementTraits<StOtherPiece> { 916 static const bool flow = true; 917 }; 918 919 template <> struct ScalarTraits<ELFYAML::YAMLFlowString> { 920 static void output(const ELFYAML::YAMLFlowString &Val, void *, 921 raw_ostream &Out) { 922 Out << Val; 923 } 924 static StringRef input(StringRef Scalar, void *, 925 ELFYAML::YAMLFlowString &Val) { 926 Val = Scalar; 927 return {}; 928 } 929 static QuotingType mustQuote(StringRef S) { 930 return ScalarTraits<StringRef>::mustQuote(S); 931 } 932 }; 933 template <> struct SequenceElementTraits<ELFYAML::YAMLFlowString> { 934 static const bool flow = true; 935 }; 936 937 namespace { 938 939 struct NormalizedOther { 940 NormalizedOther(IO &IO) : YamlIO(IO) {} 941 NormalizedOther(IO &IO, Optional<uint8_t> Original) : YamlIO(IO) { 942 assert(Original && "This constructor is only used for outputting YAML and " 943 "assumes a non-empty Original"); 944 std::vector<StOtherPiece> Ret; 945 const auto *Object = static_cast<ELFYAML::Object *>(YamlIO.getContext()); 946 for (std::pair<StringRef, uint8_t> &P : 947 getFlags(Object->getMachine()).takeVector()) { 948 uint8_t FlagValue = P.second; 949 if ((*Original & FlagValue) != FlagValue) 950 continue; 951 *Original &= ~FlagValue; 952 Ret.push_back({P.first}); 953 } 954 955 if (*Original != 0) { 956 UnknownFlagsHolder = std::to_string(*Original); 957 Ret.push_back({UnknownFlagsHolder}); 958 } 959 960 if (!Ret.empty()) 961 Other = std::move(Ret); 962 } 963 964 uint8_t toValue(StringRef Name) { 965 const auto *Object = static_cast<ELFYAML::Object *>(YamlIO.getContext()); 966 MapVector<StringRef, uint8_t> Flags = getFlags(Object->getMachine()); 967 968 auto It = Flags.find(Name); 969 if (It != Flags.end()) 970 return It->second; 971 972 uint8_t Val; 973 if (to_integer(Name, Val)) 974 return Val; 975 976 YamlIO.setError("an unknown value is used for symbol's 'Other' field: " + 977 Name); 978 return 0; 979 } 980 981 Optional<uint8_t> denormalize(IO &) { 982 if (!Other) 983 return None; 984 uint8_t Ret = 0; 985 for (StOtherPiece &Val : *Other) 986 Ret |= toValue(Val); 987 return Ret; 988 } 989 990 // st_other field is used to encode symbol visibility and platform-dependent 991 // flags and values. This method returns a name to value map that is used for 992 // parsing and encoding this field. 993 MapVector<StringRef, uint8_t> getFlags(unsigned EMachine) { 994 MapVector<StringRef, uint8_t> Map; 995 // STV_* values are just enumeration values. We add them in a reversed order 996 // because when we convert the st_other to named constants when printing 997 // YAML we want to use a maximum number of bits on each step: 998 // when we have st_other == 3, we want to print it as STV_PROTECTED (3), but 999 // not as STV_HIDDEN (2) + STV_INTERNAL (1). 1000 Map["STV_PROTECTED"] = ELF::STV_PROTECTED; 1001 Map["STV_HIDDEN"] = ELF::STV_HIDDEN; 1002 Map["STV_INTERNAL"] = ELF::STV_INTERNAL; 1003 // STV_DEFAULT is used to represent the default visibility and has a value 1004 // 0. We want to be able to read it from YAML documents, but there is no 1005 // reason to print it. 1006 if (!YamlIO.outputting()) 1007 Map["STV_DEFAULT"] = ELF::STV_DEFAULT; 1008 1009 // MIPS is not consistent. All of the STO_MIPS_* values are bit flags, 1010 // except STO_MIPS_MIPS16 which overlaps them. It should be checked and 1011 // consumed first when we print the output, because we do not want to print 1012 // any other flags that have the same bits instead. 1013 if (EMachine == ELF::EM_MIPS) { 1014 Map["STO_MIPS_MIPS16"] = ELF::STO_MIPS_MIPS16; 1015 Map["STO_MIPS_MICROMIPS"] = ELF::STO_MIPS_MICROMIPS; 1016 Map["STO_MIPS_PIC"] = ELF::STO_MIPS_PIC; 1017 Map["STO_MIPS_PLT"] = ELF::STO_MIPS_PLT; 1018 Map["STO_MIPS_OPTIONAL"] = ELF::STO_MIPS_OPTIONAL; 1019 } 1020 return Map; 1021 } 1022 1023 IO &YamlIO; 1024 Optional<std::vector<StOtherPiece>> Other; 1025 std::string UnknownFlagsHolder; 1026 }; 1027 1028 } // end anonymous namespace 1029 1030 void ScalarTraits<ELFYAML::YAMLIntUInt>::output(const ELFYAML::YAMLIntUInt &Val, 1031 void *Ctx, raw_ostream &Out) { 1032 Out << Val; 1033 } 1034 1035 StringRef ScalarTraits<ELFYAML::YAMLIntUInt>::input(StringRef Scalar, void *Ctx, 1036 ELFYAML::YAMLIntUInt &Val) { 1037 const bool Is64 = static_cast<ELFYAML::Object *>(Ctx)->Header.Class == 1038 ELFYAML::ELF_ELFCLASS(ELF::ELFCLASS64); 1039 StringRef ErrMsg = "invalid number"; 1040 // We do not accept negative hex numbers because their meaning is ambiguous. 1041 // For example, would -0xfffffffff mean 1 or INT32_MIN? 1042 if (Scalar.empty() || Scalar.startswith("-0x")) 1043 return ErrMsg; 1044 1045 if (Scalar.startswith("-")) { 1046 const int64_t MinVal = Is64 ? INT64_MIN : INT32_MIN; 1047 long long Int; 1048 if (getAsSignedInteger(Scalar, /*Radix=*/0, Int) || (Int < MinVal)) 1049 return ErrMsg; 1050 Val = Int; 1051 return ""; 1052 } 1053 1054 const uint64_t MaxVal = Is64 ? UINT64_MAX : UINT32_MAX; 1055 unsigned long long UInt; 1056 if (getAsUnsignedInteger(Scalar, /*Radix=*/0, UInt) || (UInt > MaxVal)) 1057 return ErrMsg; 1058 Val = UInt; 1059 return ""; 1060 } 1061 1062 void MappingTraits<ELFYAML::Symbol>::mapping(IO &IO, ELFYAML::Symbol &Symbol) { 1063 IO.mapOptional("Name", Symbol.Name, StringRef()); 1064 IO.mapOptional("StName", Symbol.StName); 1065 IO.mapOptional("Type", Symbol.Type, ELFYAML::ELF_STT(0)); 1066 IO.mapOptional("Section", Symbol.Section, StringRef()); 1067 IO.mapOptional("Index", Symbol.Index); 1068 IO.mapOptional("Binding", Symbol.Binding, ELFYAML::ELF_STB(0)); 1069 IO.mapOptional("Value", Symbol.Value, Hex64(0)); 1070 IO.mapOptional("Size", Symbol.Size, Hex64(0)); 1071 1072 // Symbol's Other field is a bit special. It is usually a field that 1073 // represents st_other and holds the symbol visibility. However, on some 1074 // platforms, it can contain bit fields and regular values, or even sometimes a 1075 // crazy mix of them (see comments for NormalizedOther). Because of this, we 1076 // need special handling. 1077 MappingNormalization<NormalizedOther, Optional<uint8_t>> Keys(IO, 1078 Symbol.Other); 1079 IO.mapOptional("Other", Keys->Other); 1080 } 1081 1082 StringRef MappingTraits<ELFYAML::Symbol>::validate(IO &IO, 1083 ELFYAML::Symbol &Symbol) { 1084 if (Symbol.Index && Symbol.Section.data()) 1085 return "Index and Section cannot both be specified for Symbol"; 1086 return StringRef(); 1087 } 1088 1089 static void commonSectionMapping(IO &IO, ELFYAML::Section &Section) { 1090 IO.mapOptional("Name", Section.Name, StringRef()); 1091 IO.mapRequired("Type", Section.Type); 1092 IO.mapOptional("Flags", Section.Flags); 1093 IO.mapOptional("Address", Section.Address); 1094 IO.mapOptional("Link", Section.Link, StringRef()); 1095 IO.mapOptional("AddressAlign", Section.AddressAlign, Hex64(0)); 1096 IO.mapOptional("EntSize", Section.EntSize); 1097 IO.mapOptional("Offset", Section.Offset); 1098 1099 // obj2yaml does not dump these fields. They are expected to be empty when we 1100 // are producing YAML, because yaml2obj sets appropriate values for them 1101 // automatically when they are not explicitly defined. 1102 assert(!IO.outputting() || 1103 (!Section.ShOffset.hasValue() && !Section.ShSize.hasValue() && 1104 !Section.ShName.hasValue() && !Section.ShFlags.hasValue() && 1105 !Section.ShType.hasValue())); 1106 IO.mapOptional("ShName", Section.ShName); 1107 IO.mapOptional("ShOffset", Section.ShOffset); 1108 IO.mapOptional("ShSize", Section.ShSize); 1109 IO.mapOptional("ShFlags", Section.ShFlags); 1110 IO.mapOptional("ShType", Section.ShType); 1111 } 1112 1113 static void sectionMapping(IO &IO, ELFYAML::DynamicSection &Section) { 1114 commonSectionMapping(IO, Section); 1115 IO.mapOptional("Entries", Section.Entries); 1116 IO.mapOptional("Content", Section.Content); 1117 } 1118 1119 static void sectionMapping(IO &IO, ELFYAML::RawContentSection &Section) { 1120 commonSectionMapping(IO, Section); 1121 IO.mapOptional("Content", Section.Content); 1122 1123 // We also support reading a content as array of bytes using the ContentArray 1124 // key. obj2yaml never prints this field. 1125 assert(!IO.outputting() || !Section.ContentBuf.hasValue()); 1126 IO.mapOptional("ContentArray", Section.ContentBuf); 1127 if (Section.ContentBuf) { 1128 if (Section.Content) 1129 IO.setError("Content and ContentArray can't be used together"); 1130 Section.Content = yaml::BinaryRef(*Section.ContentBuf); 1131 } 1132 1133 IO.mapOptional("Size", Section.Size); 1134 IO.mapOptional("Info", Section.Info); 1135 } 1136 1137 static void sectionMapping(IO &IO, ELFYAML::StackSizesSection &Section) { 1138 commonSectionMapping(IO, Section); 1139 IO.mapOptional("Content", Section.Content); 1140 IO.mapOptional("Size", Section.Size); 1141 IO.mapOptional("Entries", Section.Entries); 1142 } 1143 1144 static void sectionMapping(IO &IO, ELFYAML::HashSection &Section) { 1145 commonSectionMapping(IO, Section); 1146 IO.mapOptional("Content", Section.Content); 1147 IO.mapOptional("Bucket", Section.Bucket); 1148 IO.mapOptional("Chain", Section.Chain); 1149 IO.mapOptional("Size", Section.Size); 1150 1151 // obj2yaml does not dump these fields. They can be used to override nchain 1152 // and nbucket values for creating broken sections. 1153 assert(!IO.outputting() || 1154 (!Section.NBucket.hasValue() && !Section.NChain.hasValue())); 1155 IO.mapOptional("NChain", Section.NChain); 1156 IO.mapOptional("NBucket", Section.NBucket); 1157 } 1158 1159 static void sectionMapping(IO &IO, ELFYAML::NoteSection &Section) { 1160 commonSectionMapping(IO, Section); 1161 IO.mapOptional("Content", Section.Content); 1162 IO.mapOptional("Size", Section.Size); 1163 IO.mapOptional("Notes", Section.Notes); 1164 } 1165 1166 1167 static void sectionMapping(IO &IO, ELFYAML::GnuHashSection &Section) { 1168 commonSectionMapping(IO, Section); 1169 IO.mapOptional("Content", Section.Content); 1170 IO.mapOptional("Header", Section.Header); 1171 IO.mapOptional("BloomFilter", Section.BloomFilter); 1172 IO.mapOptional("HashBuckets", Section.HashBuckets); 1173 IO.mapOptional("HashValues", Section.HashValues); 1174 } 1175 static void sectionMapping(IO &IO, ELFYAML::NoBitsSection &Section) { 1176 commonSectionMapping(IO, Section); 1177 IO.mapOptional("Size", Section.Size, Hex64(0)); 1178 } 1179 1180 static void sectionMapping(IO &IO, ELFYAML::VerdefSection &Section) { 1181 commonSectionMapping(IO, Section); 1182 IO.mapRequired("Info", Section.Info); 1183 IO.mapOptional("Entries", Section.Entries); 1184 IO.mapOptional("Content", Section.Content); 1185 } 1186 1187 static void sectionMapping(IO &IO, ELFYAML::SymverSection &Section) { 1188 commonSectionMapping(IO, Section); 1189 IO.mapRequired("Entries", Section.Entries); 1190 } 1191 1192 static void sectionMapping(IO &IO, ELFYAML::VerneedSection &Section) { 1193 commonSectionMapping(IO, Section); 1194 IO.mapRequired("Info", Section.Info); 1195 IO.mapOptional("Dependencies", Section.VerneedV); 1196 IO.mapOptional("Content", Section.Content); 1197 } 1198 1199 static void sectionMapping(IO &IO, ELFYAML::RelocationSection &Section) { 1200 commonSectionMapping(IO, Section); 1201 IO.mapOptional("Info", Section.RelocatableSec, StringRef()); 1202 IO.mapOptional("Relocations", Section.Relocations); 1203 } 1204 1205 static void sectionMapping(IO &IO, ELFYAML::RelrSection &Section) { 1206 commonSectionMapping(IO, Section); 1207 IO.mapOptional("Entries", Section.Entries); 1208 IO.mapOptional("Content", Section.Content); 1209 } 1210 1211 static void groupSectionMapping(IO &IO, ELFYAML::Group &Group) { 1212 commonSectionMapping(IO, Group); 1213 IO.mapOptional("Info", Group.Signature); 1214 IO.mapRequired("Members", Group.Members); 1215 } 1216 1217 static void sectionMapping(IO &IO, ELFYAML::SymtabShndxSection &Section) { 1218 commonSectionMapping(IO, Section); 1219 IO.mapRequired("Entries", Section.Entries); 1220 } 1221 1222 static void sectionMapping(IO &IO, ELFYAML::AddrsigSection &Section) { 1223 commonSectionMapping(IO, Section); 1224 IO.mapOptional("Content", Section.Content); 1225 IO.mapOptional("Size", Section.Size); 1226 IO.mapOptional("Symbols", Section.Symbols); 1227 } 1228 1229 static void fillMapping(IO &IO, ELFYAML::Fill &Fill) { 1230 IO.mapOptional("Name", Fill.Name, StringRef()); 1231 IO.mapOptional("Pattern", Fill.Pattern); 1232 IO.mapOptional("Offset", Fill.Offset); 1233 IO.mapRequired("Size", Fill.Size); 1234 } 1235 1236 static void sectionMapping(IO &IO, ELFYAML::LinkerOptionsSection &Section) { 1237 commonSectionMapping(IO, Section); 1238 IO.mapOptional("Options", Section.Options); 1239 IO.mapOptional("Content", Section.Content); 1240 } 1241 1242 static void sectionMapping(IO &IO, 1243 ELFYAML::DependentLibrariesSection &Section) { 1244 commonSectionMapping(IO, Section); 1245 IO.mapOptional("Libraries", Section.Libs); 1246 IO.mapOptional("Content", Section.Content); 1247 } 1248 1249 static void sectionMapping(IO &IO, ELFYAML::CallGraphProfileSection &Section) { 1250 commonSectionMapping(IO, Section); 1251 IO.mapOptional("Entries", Section.Entries); 1252 IO.mapOptional("Content", Section.Content); 1253 } 1254 1255 void MappingTraits<ELFYAML::SectionOrType>::mapping( 1256 IO &IO, ELFYAML::SectionOrType §ionOrType) { 1257 IO.mapRequired("SectionOrType", sectionOrType.sectionNameOrType); 1258 } 1259 1260 void MappingTraits<ELFYAML::SectionName>::mapping( 1261 IO &IO, ELFYAML::SectionName §ionName) { 1262 IO.mapRequired("Section", sectionName.Section); 1263 } 1264 1265 static void sectionMapping(IO &IO, ELFYAML::MipsABIFlags &Section) { 1266 commonSectionMapping(IO, Section); 1267 IO.mapOptional("Version", Section.Version, Hex16(0)); 1268 IO.mapRequired("ISA", Section.ISALevel); 1269 IO.mapOptional("ISARevision", Section.ISARevision, Hex8(0)); 1270 IO.mapOptional("ISAExtension", Section.ISAExtension, 1271 ELFYAML::MIPS_AFL_EXT(Mips::AFL_EXT_NONE)); 1272 IO.mapOptional("ASEs", Section.ASEs, ELFYAML::MIPS_AFL_ASE(0)); 1273 IO.mapOptional("FpABI", Section.FpABI, 1274 ELFYAML::MIPS_ABI_FP(Mips::Val_GNU_MIPS_ABI_FP_ANY)); 1275 IO.mapOptional("GPRSize", Section.GPRSize, 1276 ELFYAML::MIPS_AFL_REG(Mips::AFL_REG_NONE)); 1277 IO.mapOptional("CPR1Size", Section.CPR1Size, 1278 ELFYAML::MIPS_AFL_REG(Mips::AFL_REG_NONE)); 1279 IO.mapOptional("CPR2Size", Section.CPR2Size, 1280 ELFYAML::MIPS_AFL_REG(Mips::AFL_REG_NONE)); 1281 IO.mapOptional("Flags1", Section.Flags1, ELFYAML::MIPS_AFL_FLAGS1(0)); 1282 IO.mapOptional("Flags2", Section.Flags2, Hex32(0)); 1283 } 1284 1285 void MappingTraits<std::unique_ptr<ELFYAML::Chunk>>::mapping( 1286 IO &IO, std::unique_ptr<ELFYAML::Chunk> &Section) { 1287 ELFYAML::ELF_SHT Type; 1288 if (IO.outputting()) { 1289 Type = cast<ELFYAML::Section>(Section.get())->Type; 1290 } else { 1291 // When the Type string does not have a "SHT_" prefix, we know it is not a 1292 // description of a regular ELF output section. Currently, we have one 1293 // special type named "Fill". See comments for Fill. 1294 StringRef StrType; 1295 IO.mapRequired("Type", StrType); 1296 if (StrType == "Fill") { 1297 Section.reset(new ELFYAML::Fill()); 1298 fillMapping(IO, *cast<ELFYAML::Fill>(Section.get())); 1299 return; 1300 } 1301 1302 IO.mapRequired("Type", Type); 1303 } 1304 1305 switch (Type) { 1306 case ELF::SHT_DYNAMIC: 1307 if (!IO.outputting()) 1308 Section.reset(new ELFYAML::DynamicSection()); 1309 sectionMapping(IO, *cast<ELFYAML::DynamicSection>(Section.get())); 1310 break; 1311 case ELF::SHT_REL: 1312 case ELF::SHT_RELA: 1313 if (!IO.outputting()) 1314 Section.reset(new ELFYAML::RelocationSection()); 1315 sectionMapping(IO, *cast<ELFYAML::RelocationSection>(Section.get())); 1316 break; 1317 case ELF::SHT_RELR: 1318 if (!IO.outputting()) 1319 Section.reset(new ELFYAML::RelrSection()); 1320 sectionMapping(IO, *cast<ELFYAML::RelrSection>(Section.get())); 1321 break; 1322 case ELF::SHT_GROUP: 1323 if (!IO.outputting()) 1324 Section.reset(new ELFYAML::Group()); 1325 groupSectionMapping(IO, *cast<ELFYAML::Group>(Section.get())); 1326 break; 1327 case ELF::SHT_NOBITS: 1328 if (!IO.outputting()) 1329 Section.reset(new ELFYAML::NoBitsSection()); 1330 sectionMapping(IO, *cast<ELFYAML::NoBitsSection>(Section.get())); 1331 break; 1332 case ELF::SHT_HASH: 1333 if (!IO.outputting()) 1334 Section.reset(new ELFYAML::HashSection()); 1335 sectionMapping(IO, *cast<ELFYAML::HashSection>(Section.get())); 1336 break; 1337 case ELF::SHT_NOTE: 1338 if (!IO.outputting()) 1339 Section.reset(new ELFYAML::NoteSection()); 1340 sectionMapping(IO, *cast<ELFYAML::NoteSection>(Section.get())); 1341 break; 1342 case ELF::SHT_GNU_HASH: 1343 if (!IO.outputting()) 1344 Section.reset(new ELFYAML::GnuHashSection()); 1345 sectionMapping(IO, *cast<ELFYAML::GnuHashSection>(Section.get())); 1346 break; 1347 case ELF::SHT_MIPS_ABIFLAGS: 1348 if (!IO.outputting()) 1349 Section.reset(new ELFYAML::MipsABIFlags()); 1350 sectionMapping(IO, *cast<ELFYAML::MipsABIFlags>(Section.get())); 1351 break; 1352 case ELF::SHT_GNU_verdef: 1353 if (!IO.outputting()) 1354 Section.reset(new ELFYAML::VerdefSection()); 1355 sectionMapping(IO, *cast<ELFYAML::VerdefSection>(Section.get())); 1356 break; 1357 case ELF::SHT_GNU_versym: 1358 if (!IO.outputting()) 1359 Section.reset(new ELFYAML::SymverSection()); 1360 sectionMapping(IO, *cast<ELFYAML::SymverSection>(Section.get())); 1361 break; 1362 case ELF::SHT_GNU_verneed: 1363 if (!IO.outputting()) 1364 Section.reset(new ELFYAML::VerneedSection()); 1365 sectionMapping(IO, *cast<ELFYAML::VerneedSection>(Section.get())); 1366 break; 1367 case ELF::SHT_SYMTAB_SHNDX: 1368 if (!IO.outputting()) 1369 Section.reset(new ELFYAML::SymtabShndxSection()); 1370 sectionMapping(IO, *cast<ELFYAML::SymtabShndxSection>(Section.get())); 1371 break; 1372 case ELF::SHT_LLVM_ADDRSIG: 1373 if (!IO.outputting()) 1374 Section.reset(new ELFYAML::AddrsigSection()); 1375 sectionMapping(IO, *cast<ELFYAML::AddrsigSection>(Section.get())); 1376 break; 1377 case ELF::SHT_LLVM_LINKER_OPTIONS: 1378 if (!IO.outputting()) 1379 Section.reset(new ELFYAML::LinkerOptionsSection()); 1380 sectionMapping(IO, *cast<ELFYAML::LinkerOptionsSection>(Section.get())); 1381 break; 1382 case ELF::SHT_LLVM_DEPENDENT_LIBRARIES: 1383 if (!IO.outputting()) 1384 Section.reset(new ELFYAML::DependentLibrariesSection()); 1385 sectionMapping(IO, 1386 *cast<ELFYAML::DependentLibrariesSection>(Section.get())); 1387 break; 1388 case ELF::SHT_LLVM_CALL_GRAPH_PROFILE: 1389 if (!IO.outputting()) 1390 Section.reset(new ELFYAML::CallGraphProfileSection()); 1391 sectionMapping(IO, *cast<ELFYAML::CallGraphProfileSection>(Section.get())); 1392 break; 1393 default: 1394 if (!IO.outputting()) { 1395 StringRef Name; 1396 IO.mapOptional("Name", Name, StringRef()); 1397 Name = ELFYAML::dropUniqueSuffix(Name); 1398 1399 if (ELFYAML::StackSizesSection::nameMatches(Name)) 1400 Section = std::make_unique<ELFYAML::StackSizesSection>(); 1401 else 1402 Section = std::make_unique<ELFYAML::RawContentSection>(); 1403 } 1404 1405 if (auto S = dyn_cast<ELFYAML::RawContentSection>(Section.get())) 1406 sectionMapping(IO, *S); 1407 else 1408 sectionMapping(IO, *cast<ELFYAML::StackSizesSection>(Section.get())); 1409 } 1410 } 1411 1412 StringRef MappingTraits<std::unique_ptr<ELFYAML::Chunk>>::validate( 1413 IO &io, std::unique_ptr<ELFYAML::Chunk> &C) { 1414 if (const auto *RawSection = dyn_cast<ELFYAML::RawContentSection>(C.get())) { 1415 if (RawSection->Size && RawSection->Content && 1416 (uint64_t)(*RawSection->Size) < RawSection->Content->binary_size()) 1417 return "Section size must be greater than or equal to the content size"; 1418 if (RawSection->Flags && RawSection->ShFlags) 1419 return "ShFlags and Flags cannot be used together"; 1420 return {}; 1421 } 1422 1423 if (const auto *SS = dyn_cast<ELFYAML::StackSizesSection>(C.get())) { 1424 if (!SS->Entries && !SS->Content && !SS->Size) 1425 return ".stack_sizes: one of Content, Entries and Size must be specified"; 1426 1427 if (SS->Size && SS->Content && 1428 (uint64_t)(*SS->Size) < SS->Content->binary_size()) 1429 return ".stack_sizes: Size must be greater than or equal to the content " 1430 "size"; 1431 1432 // We accept Content, Size or both together when there are no Entries. 1433 if (!SS->Entries) 1434 return {}; 1435 1436 if (SS->Size) 1437 return ".stack_sizes: Size and Entries cannot be used together"; 1438 if (SS->Content) 1439 return ".stack_sizes: Content and Entries cannot be used together"; 1440 return {}; 1441 } 1442 1443 if (const auto *HS = dyn_cast<ELFYAML::HashSection>(C.get())) { 1444 if (!HS->Content && !HS->Bucket && !HS->Chain && !HS->Size) 1445 return "one of \"Content\", \"Size\", \"Bucket\" or \"Chain\" must be " 1446 "specified"; 1447 1448 if (HS->Content || HS->Size) { 1449 if (HS->Size && HS->Content && 1450 (uint64_t)*HS->Size < HS->Content->binary_size()) 1451 return "\"Size\" must be greater than or equal to the content " 1452 "size"; 1453 1454 if (HS->Bucket) 1455 return "\"Bucket\" cannot be used with \"Content\" or \"Size\""; 1456 if (HS->Chain) 1457 return "\"Chain\" cannot be used with \"Content\" or \"Size\""; 1458 return {}; 1459 } 1460 1461 if ((HS->Bucket && !HS->Chain) || (!HS->Bucket && HS->Chain)) 1462 return "\"Bucket\" and \"Chain\" must be used together"; 1463 return {}; 1464 } 1465 1466 if (const auto *Sec = dyn_cast<ELFYAML::AddrsigSection>(C.get())) { 1467 if (!Sec->Symbols && !Sec->Content && !Sec->Size) 1468 return "one of \"Content\", \"Size\" or \"Symbols\" must be specified"; 1469 1470 if (Sec->Content || Sec->Size) { 1471 if (Sec->Size && Sec->Content && 1472 (uint64_t)*Sec->Size < Sec->Content->binary_size()) 1473 return "\"Size\" must be greater than or equal to the content " 1474 "size"; 1475 1476 if (Sec->Symbols) 1477 return "\"Symbols\" cannot be used with \"Content\" or \"Size\""; 1478 return {}; 1479 } 1480 1481 if (!Sec->Symbols) 1482 return {}; 1483 return {}; 1484 } 1485 1486 if (const auto *NS = dyn_cast<ELFYAML::NoteSection>(C.get())) { 1487 if (!NS->Content && !NS->Size && !NS->Notes) 1488 return "one of \"Content\", \"Size\" or \"Notes\" must be " 1489 "specified"; 1490 1491 if (!NS->Content && !NS->Size) 1492 return {}; 1493 1494 if (NS->Size && NS->Content && 1495 (uint64_t)*NS->Size < NS->Content->binary_size()) 1496 return "\"Size\" must be greater than or equal to the content " 1497 "size"; 1498 1499 if (NS->Notes) 1500 return "\"Notes\" cannot be used with \"Content\" or \"Size\""; 1501 return {}; 1502 } 1503 1504 if (const auto *Sec = dyn_cast<ELFYAML::GnuHashSection>(C.get())) { 1505 if (!Sec->Content && !Sec->Header && !Sec->BloomFilter && 1506 !Sec->HashBuckets && !Sec->HashValues) 1507 return "either \"Content\" or \"Header\", \"BloomFilter\", " 1508 "\"HashBuckets\" and \"HashBuckets\" must be specified"; 1509 1510 if (Sec->Header || Sec->BloomFilter || Sec->HashBuckets || 1511 Sec->HashValues) { 1512 if (!Sec->Header || !Sec->BloomFilter || !Sec->HashBuckets || 1513 !Sec->HashValues) 1514 return "\"Header\", \"BloomFilter\", " 1515 "\"HashBuckets\" and \"HashValues\" must be used together"; 1516 if (Sec->Content) 1517 return "\"Header\", \"BloomFilter\", " 1518 "\"HashBuckets\" and \"HashValues\" can't be used together with " 1519 "\"Content\""; 1520 return {}; 1521 } 1522 1523 // Only Content is specified. 1524 return {}; 1525 } 1526 1527 if (const auto *Sec = dyn_cast<ELFYAML::LinkerOptionsSection>(C.get())) { 1528 if (Sec->Options && Sec->Content) 1529 return "\"Options\" and \"Content\" can't be used together"; 1530 return {}; 1531 } 1532 1533 if (const auto *Sec = dyn_cast<ELFYAML::DependentLibrariesSection>(C.get())) { 1534 if (Sec->Libs && Sec->Content) 1535 return "SHT_LLVM_DEPENDENT_LIBRARIES: \"Libraries\" and \"Content\" " 1536 "can't " 1537 "be used together"; 1538 return {}; 1539 } 1540 1541 if (const auto *F = dyn_cast<ELFYAML::Fill>(C.get())) { 1542 if (!F->Pattern) 1543 return {}; 1544 if (F->Pattern->binary_size() != 0 && !F->Size) 1545 return "\"Size\" can't be 0 when \"Pattern\" is not empty"; 1546 return {}; 1547 } 1548 1549 if (const auto *VD = dyn_cast<ELFYAML::VerdefSection>(C.get())) { 1550 if (VD->Entries && VD->Content) 1551 return "SHT_GNU_verdef: \"Entries\" and \"Content\" can't be used " 1552 "together"; 1553 return {}; 1554 } 1555 1556 if (const auto *VD = dyn_cast<ELFYAML::VerneedSection>(C.get())) { 1557 if (VD->VerneedV && VD->Content) 1558 return "SHT_GNU_verneed: \"Dependencies\" and \"Content\" can't be used " 1559 "together"; 1560 return {}; 1561 } 1562 1563 if (const auto *RS = dyn_cast<ELFYAML::RelrSection>(C.get())) { 1564 if (RS->Entries && RS->Content) 1565 return "\"Entries\" and \"Content\" can't be used together"; 1566 return {}; 1567 } 1568 1569 if (const auto *CGP = dyn_cast<ELFYAML::CallGraphProfileSection>(C.get())) { 1570 if (CGP->Entries && CGP->Content) 1571 return "\"Entries\" and \"Content\" can't be used together"; 1572 return {}; 1573 } 1574 1575 return {}; 1576 } 1577 1578 namespace { 1579 1580 struct NormalizedMips64RelType { 1581 NormalizedMips64RelType(IO &) 1582 : Type(ELFYAML::ELF_REL(ELF::R_MIPS_NONE)), 1583 Type2(ELFYAML::ELF_REL(ELF::R_MIPS_NONE)), 1584 Type3(ELFYAML::ELF_REL(ELF::R_MIPS_NONE)), 1585 SpecSym(ELFYAML::ELF_REL(ELF::RSS_UNDEF)) {} 1586 NormalizedMips64RelType(IO &, ELFYAML::ELF_REL Original) 1587 : Type(Original & 0xFF), Type2(Original >> 8 & 0xFF), 1588 Type3(Original >> 16 & 0xFF), SpecSym(Original >> 24 & 0xFF) {} 1589 1590 ELFYAML::ELF_REL denormalize(IO &) { 1591 ELFYAML::ELF_REL Res = Type | Type2 << 8 | Type3 << 16 | SpecSym << 24; 1592 return Res; 1593 } 1594 1595 ELFYAML::ELF_REL Type; 1596 ELFYAML::ELF_REL Type2; 1597 ELFYAML::ELF_REL Type3; 1598 ELFYAML::ELF_RSS SpecSym; 1599 }; 1600 1601 } // end anonymous namespace 1602 1603 void MappingTraits<ELFYAML::StackSizeEntry>::mapping( 1604 IO &IO, ELFYAML::StackSizeEntry &E) { 1605 assert(IO.getContext() && "The IO context is not initialized"); 1606 IO.mapOptional("Address", E.Address, Hex64(0)); 1607 IO.mapRequired("Size", E.Size); 1608 } 1609 1610 void MappingTraits<ELFYAML::GnuHashHeader>::mapping(IO &IO, 1611 ELFYAML::GnuHashHeader &E) { 1612 assert(IO.getContext() && "The IO context is not initialized"); 1613 IO.mapOptional("NBuckets", E.NBuckets); 1614 IO.mapRequired("SymNdx", E.SymNdx); 1615 IO.mapOptional("MaskWords", E.MaskWords); 1616 IO.mapRequired("Shift2", E.Shift2); 1617 } 1618 1619 void MappingTraits<ELFYAML::DynamicEntry>::mapping(IO &IO, 1620 ELFYAML::DynamicEntry &Rel) { 1621 assert(IO.getContext() && "The IO context is not initialized"); 1622 1623 IO.mapRequired("Tag", Rel.Tag); 1624 IO.mapRequired("Value", Rel.Val); 1625 } 1626 1627 void MappingTraits<ELFYAML::NoteEntry>::mapping(IO &IO, ELFYAML::NoteEntry &N) { 1628 assert(IO.getContext() && "The IO context is not initialized"); 1629 1630 IO.mapOptional("Name", N.Name); 1631 IO.mapOptional("Desc", N.Desc); 1632 IO.mapRequired("Type", N.Type); 1633 } 1634 1635 void MappingTraits<ELFYAML::VerdefEntry>::mapping(IO &IO, 1636 ELFYAML::VerdefEntry &E) { 1637 assert(IO.getContext() && "The IO context is not initialized"); 1638 1639 IO.mapRequired("Version", E.Version); 1640 IO.mapRequired("Flags", E.Flags); 1641 IO.mapRequired("VersionNdx", E.VersionNdx); 1642 IO.mapRequired("Hash", E.Hash); 1643 IO.mapRequired("Names", E.VerNames); 1644 } 1645 1646 void MappingTraits<ELFYAML::VerneedEntry>::mapping(IO &IO, 1647 ELFYAML::VerneedEntry &E) { 1648 assert(IO.getContext() && "The IO context is not initialized"); 1649 1650 IO.mapRequired("Version", E.Version); 1651 IO.mapRequired("File", E.File); 1652 IO.mapRequired("Entries", E.AuxV); 1653 } 1654 1655 void MappingTraits<ELFYAML::VernauxEntry>::mapping(IO &IO, 1656 ELFYAML::VernauxEntry &E) { 1657 assert(IO.getContext() && "The IO context is not initialized"); 1658 1659 IO.mapRequired("Name", E.Name); 1660 IO.mapRequired("Hash", E.Hash); 1661 IO.mapRequired("Flags", E.Flags); 1662 IO.mapRequired("Other", E.Other); 1663 } 1664 1665 void MappingTraits<ELFYAML::Relocation>::mapping(IO &IO, 1666 ELFYAML::Relocation &Rel) { 1667 const auto *Object = static_cast<ELFYAML::Object *>(IO.getContext()); 1668 assert(Object && "The IO context is not initialized"); 1669 1670 IO.mapOptional("Offset", Rel.Offset, (Hex64)0); 1671 IO.mapOptional("Symbol", Rel.Symbol); 1672 1673 if (Object->getMachine() == ELFYAML::ELF_EM(ELF::EM_MIPS) && 1674 Object->Header.Class == ELFYAML::ELF_ELFCLASS(ELF::ELFCLASS64)) { 1675 MappingNormalization<NormalizedMips64RelType, ELFYAML::ELF_REL> Key( 1676 IO, Rel.Type); 1677 IO.mapRequired("Type", Key->Type); 1678 IO.mapOptional("Type2", Key->Type2, ELFYAML::ELF_REL(ELF::R_MIPS_NONE)); 1679 IO.mapOptional("Type3", Key->Type3, ELFYAML::ELF_REL(ELF::R_MIPS_NONE)); 1680 IO.mapOptional("SpecSym", Key->SpecSym, ELFYAML::ELF_RSS(ELF::RSS_UNDEF)); 1681 } else 1682 IO.mapRequired("Type", Rel.Type); 1683 1684 IO.mapOptional("Addend", Rel.Addend, (ELFYAML::YAMLIntUInt)0); 1685 } 1686 1687 void MappingTraits<ELFYAML::Object>::mapping(IO &IO, ELFYAML::Object &Object) { 1688 assert(!IO.getContext() && "The IO context is initialized already"); 1689 IO.setContext(&Object); 1690 IO.mapTag("!ELF", true); 1691 IO.mapRequired("FileHeader", Object.Header); 1692 IO.mapOptional("SectionHeaderTable", Object.SectionHeaders); 1693 IO.mapOptional("ProgramHeaders", Object.ProgramHeaders); 1694 IO.mapOptional("Sections", Object.Chunks); 1695 IO.mapOptional("Symbols", Object.Symbols); 1696 IO.mapOptional("DynamicSymbols", Object.DynamicSymbols); 1697 IO.mapOptional("DWARF", Object.DWARF); 1698 if (Object.DWARF) { 1699 Object.DWARF->IsLittleEndian = 1700 Object.Header.Data == ELFYAML::ELF_ELFDATA(ELF::ELFDATA2LSB); 1701 Object.DWARF->Is64BitAddrSize = 1702 Object.Header.Class == ELFYAML::ELF_ELFCLASS(ELF::ELFCLASS64); 1703 } 1704 IO.setContext(nullptr); 1705 } 1706 1707 void MappingTraits<ELFYAML::LinkerOption>::mapping(IO &IO, 1708 ELFYAML::LinkerOption &Opt) { 1709 assert(IO.getContext() && "The IO context is not initialized"); 1710 IO.mapRequired("Name", Opt.Key); 1711 IO.mapRequired("Value", Opt.Value); 1712 } 1713 1714 void MappingTraits<ELFYAML::CallGraphEntry>::mapping( 1715 IO &IO, ELFYAML::CallGraphEntry &E) { 1716 assert(IO.getContext() && "The IO context is not initialized"); 1717 IO.mapRequired("From", E.From); 1718 IO.mapRequired("To", E.To); 1719 IO.mapRequired("Weight", E.Weight); 1720 } 1721 1722 LLVM_YAML_STRONG_TYPEDEF(uint8_t, MIPS_AFL_REG) 1723 LLVM_YAML_STRONG_TYPEDEF(uint8_t, MIPS_ABI_FP) 1724 LLVM_YAML_STRONG_TYPEDEF(uint32_t, MIPS_AFL_EXT) 1725 LLVM_YAML_STRONG_TYPEDEF(uint32_t, MIPS_AFL_ASE) 1726 LLVM_YAML_STRONG_TYPEDEF(uint32_t, MIPS_AFL_FLAGS1) 1727 1728 } // end namespace yaml 1729 1730 } // end namespace llvm 1731