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