llvm/lib/ObjectYAML/ELFYAML.cpp

   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/APInt.h"
  15 #include "llvm/ADT/MapVector.h"
  16 #include "llvm/ADT/StringRef.h"
  17 #include "llvm/BinaryFormat/ELF.h"
  18 #include "llvm/Support/ARMEHABI.h"
  19 #include "llvm/Support/Casting.h"
  20 #include "llvm/Support/ErrorHandling.h"
  21 #include "llvm/Support/MipsABIFlags.h"
  22 #include "llvm/Support/YAMLTraits.h"
  23 #include "llvm/Support/WithColor.h"
  24 #include <cassert>
  25 #include <cstdint>
  26 #include <optional>
  27
  28 namespace llvm {
  29
  30 ELFYAML::Chunk::~Chunk() = default;
  31
  32 namespace ELFYAML {
  33 ELF_ELFOSABI Object::getOSAbi() const { return Header.OSABI; }
  34
  35 unsigned Object::getMachine() const {
  36   if (Header.Machine)
  37     return *Header.Machine;
  38   return llvm::ELF::EM_NONE;
  39 }
  40
  41 constexpr StringRef SectionHeaderTable::TypeStr;
  42 } // namespace ELFYAML
  43
  44 namespace yaml {
  45
  46 void ScalarEnumerationTraits<ELFYAML::ELF_ET>::enumeration(
  47     IO &IO, ELFYAML::ELF_ET &Value) {
  48 #define ECase(X) IO.enumCase(Value, #X, ELF::X)
  49   ECase(ET_NONE);
  50   ECase(ET_REL);
  51   ECase(ET_EXEC);
  52   ECase(ET_DYN);
  53   ECase(ET_CORE);
  54 #undef ECase
  55   IO.enumFallback<Hex16>(Value);
  56 }
  57
  58 void ScalarEnumerationTraits<ELFYAML::ELF_PT>::enumeration(
  59     IO &IO, ELFYAML::ELF_PT &Value) {
  60 #define ECase(X) IO.enumCase(Value, #X, ELF::X)
  61   ECase(PT_NULL);
  62   ECase(PT_LOAD);
  63   ECase(PT_DYNAMIC);
  64   ECase(PT_INTERP);
  65   ECase(PT_NOTE);
  66   ECase(PT_SHLIB);
  67   ECase(PT_PHDR);
  68   ECase(PT_TLS);
  69   ECase(PT_GNU_EH_FRAME);
  70   ECase(PT_GNU_STACK);
  71   ECase(PT_GNU_RELRO);
  72   ECase(PT_GNU_PROPERTY);
  73 #undef ECase
  74   IO.enumFallback<Hex32>(Value);
  75 }
  76
  77 void ScalarEnumerationTraits<ELFYAML::ELF_NT>::enumeration(
  78     IO &IO, ELFYAML::ELF_NT &Value) {
  79 #define ECase(X) IO.enumCase(Value, #X, ELF::X)
  80   // Generic note types.
  81   ECase(NT_VERSION);
  82   ECase(NT_ARCH);
  83   ECase(NT_GNU_BUILD_ATTRIBUTE_OPEN);
  84   ECase(NT_GNU_BUILD_ATTRIBUTE_FUNC);
  85   // Core note types.
  86   ECase(NT_PRSTATUS);
  87   ECase(NT_FPREGSET);
  88   ECase(NT_PRPSINFO);
  89   ECase(NT_TASKSTRUCT);
  90   ECase(NT_AUXV);
  91   ECase(NT_PSTATUS);
  92   ECase(NT_FPREGS);
  93   ECase(NT_PSINFO);
  94   ECase(NT_LWPSTATUS);
  95   ECase(NT_LWPSINFO);
  96   ECase(NT_WIN32PSTATUS);
  97   ECase(NT_PPC_VMX);
  98   ECase(NT_PPC_VSX);
  99   ECase(NT_PPC_TAR);
 100   ECase(NT_PPC_PPR);
 101   ECase(NT_PPC_DSCR);
 102   ECase(NT_PPC_EBB);
 103   ECase(NT_PPC_PMU);
 104   ECase(NT_PPC_TM_CGPR);
 105   ECase(NT_PPC_TM_CFPR);
 106   ECase(NT_PPC_TM_CVMX);
 107   ECase(NT_PPC_TM_CVSX);
 108   ECase(NT_PPC_TM_SPR);
 109   ECase(NT_PPC_TM_CTAR);
 110   ECase(NT_PPC_TM_CPPR);
 111   ECase(NT_PPC_TM_CDSCR);
 112   ECase(NT_386_TLS);
 113   ECase(NT_386_IOPERM);
 114   ECase(NT_X86_XSTATE);
 115   ECase(NT_S390_HIGH_GPRS);
 116   ECase(NT_S390_TIMER);
 117   ECase(NT_S390_TODCMP);
 118   ECase(NT_S390_TODPREG);
 119   ECase(NT_S390_CTRS);
 120   ECase(NT_S390_PREFIX);
 121   ECase(NT_S390_LAST_BREAK);
 122   ECase(NT_S390_SYSTEM_CALL);
 123   ECase(NT_S390_TDB);
 124   ECase(NT_S390_VXRS_LOW);
 125   ECase(NT_S390_VXRS_HIGH);
 126   ECase(NT_S390_GS_CB);
 127   ECase(NT_S390_GS_BC);
 128   ECase(NT_ARM_VFP);
 129   ECase(NT_ARM_TLS);
 130   ECase(NT_ARM_HW_BREAK);
 131   ECase(NT_ARM_HW_WATCH);
 132   ECase(NT_ARM_SVE);
 133   ECase(NT_ARM_PAC_MASK);
 134   ECase(NT_ARM_TAGGED_ADDR_CTRL);
 135   ECase(NT_ARM_SSVE);
 136   ECase(NT_ARM_ZA);
 137   ECase(NT_ARM_ZT);
 138   ECase(NT_ARM_FPMR);
 139   ECase(NT_ARM_GCS);
 140   ECase(NT_FILE);
 141   ECase(NT_PRXFPREG);
 142   ECase(NT_SIGINFO);
 143   // LLVM-specific notes.
 144   ECase(NT_LLVM_HWASAN_GLOBALS);
 145   // GNU note types
 146   ECase(NT_GNU_ABI_TAG);
 147   ECase(NT_GNU_HWCAP);
 148   ECase(NT_GNU_BUILD_ID);
 149   ECase(NT_GNU_GOLD_VERSION);
 150   ECase(NT_GNU_PROPERTY_TYPE_0);
 151   // FreeBSD note types.
 152   ECase(NT_FREEBSD_ABI_TAG);
 153   ECase(NT_FREEBSD_NOINIT_TAG);
 154   ECase(NT_FREEBSD_ARCH_TAG);
 155   ECase(NT_FREEBSD_FEATURE_CTL);
 156   // FreeBSD core note types.
 157   ECase(NT_FREEBSD_THRMISC);
 158   ECase(NT_FREEBSD_PROCSTAT_PROC);
 159   ECase(NT_FREEBSD_PROCSTAT_FILES);
 160   ECase(NT_FREEBSD_PROCSTAT_VMMAP);
 161   ECase(NT_FREEBSD_PROCSTAT_GROUPS);
 162   ECase(NT_FREEBSD_PROCSTAT_UMASK);
 163   ECase(NT_FREEBSD_PROCSTAT_RLIMIT);
 164   ECase(NT_FREEBSD_PROCSTAT_OSREL);
 165   ECase(NT_FREEBSD_PROCSTAT_PSSTRINGS);
 166   ECase(NT_FREEBSD_PROCSTAT_AUXV);
 167   // NetBSD core note types.
 168   ECase(NT_NETBSDCORE_PROCINFO);
 169   ECase(NT_NETBSDCORE_AUXV);
 170   ECase(NT_NETBSDCORE_LWPSTATUS);
 171   // OpenBSD core note types.
 172   ECase(NT_OPENBSD_PROCINFO);
 173   ECase(NT_OPENBSD_AUXV);
 174   ECase(NT_OPENBSD_REGS);
 175   ECase(NT_OPENBSD_FPREGS);
 176   ECase(NT_OPENBSD_XFPREGS);
 177   ECase(NT_OPENBSD_WCOOKIE);
 178   // AMD specific notes. (Code Object V2)
 179   ECase(NT_AMD_HSA_CODE_OBJECT_VERSION);
 180   ECase(NT_AMD_HSA_HSAIL);
 181   ECase(NT_AMD_HSA_ISA_VERSION);
 182   ECase(NT_AMD_HSA_METADATA);
 183   ECase(NT_AMD_HSA_ISA_NAME);
 184   ECase(NT_AMD_PAL_METADATA);
 185   // AMDGPU specific notes. (Code Object V3)
 186   ECase(NT_AMDGPU_METADATA);
 187   // Android specific notes.
 188   ECase(NT_ANDROID_TYPE_IDENT);
 189   ECase(NT_ANDROID_TYPE_KUSER);
 190   ECase(NT_ANDROID_TYPE_MEMTAG);
 191 #undef ECase
 192   IO.enumFallback<Hex32>(Value);
 193 }
 194
 195 void ScalarEnumerationTraits<ELFYAML::ELF_EM>::enumeration(
 196     IO &IO, ELFYAML::ELF_EM &Value) {
 197 #define ECase(X) IO.enumCase(Value, #X, ELF::X)
 198   ECase(EM_NONE);
 199   ECase(EM_M32);
 200   ECase(EM_SPARC);
 201   ECase(EM_386);
 202   ECase(EM_68K);
 203   ECase(EM_88K);
 204   ECase(EM_IAMCU);
 205   ECase(EM_860);
 206   ECase(EM_MIPS);
 207   ECase(EM_S370);
 208   ECase(EM_MIPS_RS3_LE);
 209   ECase(EM_PARISC);
 210   ECase(EM_VPP500);
 211   ECase(EM_SPARC32PLUS);
 212   ECase(EM_960);
 213   ECase(EM_PPC);
 214   ECase(EM_PPC64);
 215   ECase(EM_S390);
 216   ECase(EM_SPU);
 217   ECase(EM_V800);
 218   ECase(EM_FR20);
 219   ECase(EM_RH32);
 220   ECase(EM_RCE);
 221   ECase(EM_ARM);
 222   ECase(EM_ALPHA);
 223   ECase(EM_SH);
 224   ECase(EM_SPARCV9);
 225   ECase(EM_TRICORE);
 226   ECase(EM_ARC);
 227   ECase(EM_H8_300);
 228   ECase(EM_H8_300H);
 229   ECase(EM_H8S);
 230   ECase(EM_H8_500);
 231   ECase(EM_IA_64);
 232   ECase(EM_MIPS_X);
 233   ECase(EM_COLDFIRE);
 234   ECase(EM_68HC12);
 235   ECase(EM_MMA);
 236   ECase(EM_PCP);
 237   ECase(EM_NCPU);
 238   ECase(EM_NDR1);
 239   ECase(EM_STARCORE);
 240   ECase(EM_ME16);
 241   ECase(EM_ST100);
 242   ECase(EM_TINYJ);
 243   ECase(EM_X86_64);
 244   ECase(EM_PDSP);
 245   ECase(EM_PDP10);
 246   ECase(EM_PDP11);
 247   ECase(EM_FX66);
 248   ECase(EM_ST9PLUS);
 249   ECase(EM_ST7);
 250   ECase(EM_68HC16);
 251   ECase(EM_68HC11);
 252   ECase(EM_68HC08);
 253   ECase(EM_68HC05);
 254   ECase(EM_SVX);
 255   ECase(EM_ST19);
 256   ECase(EM_VAX);
 257   ECase(EM_CRIS);
 258   ECase(EM_JAVELIN);
 259   ECase(EM_FIREPATH);
 260   ECase(EM_ZSP);
 261   ECase(EM_MMIX);
 262   ECase(EM_HUANY);
 263   ECase(EM_PRISM);
 264   ECase(EM_AVR);
 265   ECase(EM_FR30);
 266   ECase(EM_D10V);
 267   ECase(EM_D30V);
 268   ECase(EM_V850);
 269   ECase(EM_M32R);
 270   ECase(EM_MN10300);
 271   ECase(EM_MN10200);
 272   ECase(EM_PJ);
 273   ECase(EM_OPENRISC);
 274   ECase(EM_ARC_COMPACT);
 275   ECase(EM_XTENSA);
 276   ECase(EM_VIDEOCORE);
 277   ECase(EM_TMM_GPP);
 278   ECase(EM_NS32K);
 279   ECase(EM_TPC);
 280   ECase(EM_SNP1K);
 281   ECase(EM_ST200);
 282   ECase(EM_IP2K);
 283   ECase(EM_MAX);
 284   ECase(EM_CR);
 285   ECase(EM_F2MC16);
 286   ECase(EM_MSP430);
 287   ECase(EM_BLACKFIN);
 288   ECase(EM_SE_C33);
 289   ECase(EM_SEP);
 290   ECase(EM_ARCA);
 291   ECase(EM_UNICORE);
 292   ECase(EM_EXCESS);
 293   ECase(EM_DXP);
 294   ECase(EM_ALTERA_NIOS2);
 295   ECase(EM_CRX);
 296   ECase(EM_XGATE);
 297   ECase(EM_C166);
 298   ECase(EM_M16C);
 299   ECase(EM_DSPIC30F);
 300   ECase(EM_CE);
 301   ECase(EM_M32C);
 302   ECase(EM_TSK3000);
 303   ECase(EM_RS08);
 304   ECase(EM_SHARC);
 305   ECase(EM_ECOG2);
 306   ECase(EM_SCORE7);
 307   ECase(EM_DSP24);
 308   ECase(EM_VIDEOCORE3);
 309   ECase(EM_LATTICEMICO32);
 310   ECase(EM_SE_C17);
 311   ECase(EM_TI_C6000);
 312   ECase(EM_TI_C2000);
 313   ECase(EM_TI_C5500);
 314   ECase(EM_MMDSP_PLUS);
 315   ECase(EM_CYPRESS_M8C);
 316   ECase(EM_R32C);
 317   ECase(EM_TRIMEDIA);
 318   ECase(EM_HEXAGON);
 319   ECase(EM_8051);
 320   ECase(EM_STXP7X);
 321   ECase(EM_NDS32);
 322   ECase(EM_ECOG1);
 323   ECase(EM_ECOG1X);
 324   ECase(EM_MAXQ30);
 325   ECase(EM_XIMO16);
 326   ECase(EM_MANIK);
 327   ECase(EM_CRAYNV2);
 328   ECase(EM_RX);
 329   ECase(EM_METAG);
 330   ECase(EM_MCST_ELBRUS);
 331   ECase(EM_ECOG16);
 332   ECase(EM_CR16);
 333   ECase(EM_ETPU);
 334   ECase(EM_SLE9X);
 335   ECase(EM_L10M);
 336   ECase(EM_K10M);
 337   ECase(EM_AARCH64);
 338   ECase(EM_AVR32);
 339   ECase(EM_STM8);
 340   ECase(EM_TILE64);
 341   ECase(EM_TILEPRO);
 342   ECase(EM_MICROBLAZE);
 343   ECase(EM_CUDA);
 344   ECase(EM_TILEGX);
 345   ECase(EM_CLOUDSHIELD);
 346   ECase(EM_COREA_1ST);
 347   ECase(EM_COREA_2ND);
 348   ECase(EM_ARC_COMPACT2);
 349   ECase(EM_OPEN8);
 350   ECase(EM_RL78);
 351   ECase(EM_VIDEOCORE5);
 352   ECase(EM_78KOR);
 353   ECase(EM_56800EX);
 354   ECase(EM_AMDGPU);
 355   ECase(EM_RISCV);
 356   ECase(EM_LANAI);
 357   ECase(EM_BPF);
 358   ECase(EM_VE);
 359   ECase(EM_CSKY);
 360   ECase(EM_LOONGARCH);
 361 #undef ECase
 362   IO.enumFallback<Hex16>(Value);
 363 }
 364
 365 void ScalarEnumerationTraits<ELFYAML::ELF_ELFCLASS>::enumeration(
 366     IO &IO, ELFYAML::ELF_ELFCLASS &Value) {
 367 #define ECase(X) IO.enumCase(Value, #X, ELF::X)
 368   // Since the semantics of ELFCLASSNONE is "invalid", just don't accept it
 369   // here.
 370   ECase(ELFCLASS32);
 371   ECase(ELFCLASS64);
 372 #undef ECase
 373 }
 374
 375 void ScalarEnumerationTraits<ELFYAML::ELF_ELFDATA>::enumeration(
 376     IO &IO, ELFYAML::ELF_ELFDATA &Value) {
 377 #define ECase(X) IO.enumCase(Value, #X, ELF::X)
 378   // ELFDATANONE is an invalid data encoding, but we accept it because
 379   // we want to be able to produce invalid binaries for the tests.
 380   ECase(ELFDATANONE);
 381   ECase(ELFDATA2LSB);
 382   ECase(ELFDATA2MSB);
 383 #undef ECase
 384 }
 385
 386 void ScalarEnumerationTraits<ELFYAML::ELF_ELFOSABI>::enumeration(
 387     IO &IO, ELFYAML::ELF_ELFOSABI &Value) {
 388 #define ECase(X) IO.enumCase(Value, #X, ELF::X)
 389   ECase(ELFOSABI_NONE);
 390   ECase(ELFOSABI_HPUX);
 391   ECase(ELFOSABI_NETBSD);
 392   ECase(ELFOSABI_GNU);
 393   ECase(ELFOSABI_LINUX);
 394   ECase(ELFOSABI_HURD);
 395   ECase(ELFOSABI_SOLARIS);
 396   ECase(ELFOSABI_AIX);
 397   ECase(ELFOSABI_IRIX);
 398   ECase(ELFOSABI_FREEBSD);
 399   ECase(ELFOSABI_TRU64);
 400   ECase(ELFOSABI_MODESTO);
 401   ECase(ELFOSABI_OPENBSD);
 402   ECase(ELFOSABI_OPENVMS);
 403   ECase(ELFOSABI_NSK);
 404   ECase(ELFOSABI_AROS);
 405   ECase(ELFOSABI_FENIXOS);
 406   ECase(ELFOSABI_CLOUDABI);
 407   ECase(ELFOSABI_AMDGPU_HSA);
 408   ECase(ELFOSABI_AMDGPU_PAL);
 409   ECase(ELFOSABI_AMDGPU_MESA3D);
 410   ECase(ELFOSABI_ARM);
 411   ECase(ELFOSABI_ARM_FDPIC);
 412   ECase(ELFOSABI_C6000_ELFABI);
 413   ECase(ELFOSABI_C6000_LINUX);
 414   ECase(ELFOSABI_STANDALONE);
 415 #undef ECase
 416   IO.enumFallback<Hex8>(Value);
 417 }
 418
 419 void ScalarBitSetTraits<ELFYAML::ELF_EF>::bitset(IO &IO,
 420                                                  ELFYAML::ELF_EF &Value) {
 421   const auto *Object = static_cast<ELFYAML::Object *>(IO.getContext());
 422   assert(Object && "The IO context is not initialized");
 423 #define BCase(X) IO.bitSetCase(Value, #X, ELF::X)
 424 #define BCaseMask(X, M) IO.maskedBitSetCase(Value, #X, ELF::X, ELF::M)
 425   switch (Object->getMachine()) {
 426   case ELF::EM_ARM:
 427     BCase(EF_ARM_SOFT_FLOAT);
 428     BCase(EF_ARM_VFP_FLOAT);
 429     BCaseMask(EF_ARM_EABI_UNKNOWN, EF_ARM_EABIMASK);
 430     BCaseMask(EF_ARM_EABI_VER1, EF_ARM_EABIMASK);
 431     BCaseMask(EF_ARM_EABI_VER2, EF_ARM_EABIMASK);
 432     BCaseMask(EF_ARM_EABI_VER3, EF_ARM_EABIMASK);
 433     BCaseMask(EF_ARM_EABI_VER4, EF_ARM_EABIMASK);
 434     BCaseMask(EF_ARM_EABI_VER5, EF_ARM_EABIMASK);
 435     BCaseMask(EF_ARM_BE8, EF_ARM_BE8);
 436     break;
 437   case ELF::EM_MIPS:
 438     BCase(EF_MIPS_NOREORDER);
 439     BCase(EF_MIPS_PIC);
 440     BCase(EF_MIPS_CPIC);
 441     BCase(EF_MIPS_ABI2);
 442     BCase(EF_MIPS_32BITMODE);
 443     BCase(EF_MIPS_FP64);
 444     BCase(EF_MIPS_NAN2008);
 445     BCase(EF_MIPS_MICROMIPS);
 446     BCase(EF_MIPS_ARCH_ASE_M16);
 447     BCase(EF_MIPS_ARCH_ASE_MDMX);
 448     BCaseMask(EF_MIPS_ABI_O32, EF_MIPS_ABI);
 449     BCaseMask(EF_MIPS_ABI_O64, EF_MIPS_ABI);
 450     BCaseMask(EF_MIPS_ABI_EABI32, EF_MIPS_ABI);
 451     BCaseMask(EF_MIPS_ABI_EABI64, EF_MIPS_ABI);
 452     BCaseMask(EF_MIPS_MACH_3900, EF_MIPS_MACH);
 453     BCaseMask(EF_MIPS_MACH_4010, EF_MIPS_MACH);
 454     BCaseMask(EF_MIPS_MACH_4100, EF_MIPS_MACH);
 455     BCaseMask(EF_MIPS_MACH_4650, EF_MIPS_MACH);
 456     BCaseMask(EF_MIPS_MACH_4120, EF_MIPS_MACH);
 457     BCaseMask(EF_MIPS_MACH_4111, EF_MIPS_MACH);
 458     BCaseMask(EF_MIPS_MACH_SB1, EF_MIPS_MACH);
 459     BCaseMask(EF_MIPS_MACH_OCTEON, EF_MIPS_MACH);
 460     BCaseMask(EF_MIPS_MACH_XLR, EF_MIPS_MACH);
 461     BCaseMask(EF_MIPS_MACH_OCTEON2, EF_MIPS_MACH);
 462     BCaseMask(EF_MIPS_MACH_OCTEON3, EF_MIPS_MACH);
 463     BCaseMask(EF_MIPS_MACH_5400, EF_MIPS_MACH);
 464     BCaseMask(EF_MIPS_MACH_5900, EF_MIPS_MACH);
 465     BCaseMask(EF_MIPS_MACH_5500, EF_MIPS_MACH);
 466     BCaseMask(EF_MIPS_MACH_9000, EF_MIPS_MACH);
 467     BCaseMask(EF_MIPS_MACH_LS2E, EF_MIPS_MACH);
 468     BCaseMask(EF_MIPS_MACH_LS2F, EF_MIPS_MACH);
 469     BCaseMask(EF_MIPS_MACH_LS3A, EF_MIPS_MACH);
 470     BCaseMask(EF_MIPS_ARCH_1, EF_MIPS_ARCH);
 471     BCaseMask(EF_MIPS_ARCH_2, EF_MIPS_ARCH);
 472     BCaseMask(EF_MIPS_ARCH_3, EF_MIPS_ARCH);
 473     BCaseMask(EF_MIPS_ARCH_4, EF_MIPS_ARCH);
 474     BCaseMask(EF_MIPS_ARCH_5, EF_MIPS_ARCH);
 475     BCaseMask(EF_MIPS_ARCH_32, EF_MIPS_ARCH);
 476     BCaseMask(EF_MIPS_ARCH_64, EF_MIPS_ARCH);
 477     BCaseMask(EF_MIPS_ARCH_32R2, EF_MIPS_ARCH);
 478     BCaseMask(EF_MIPS_ARCH_64R2, EF_MIPS_ARCH);
 479     BCaseMask(EF_MIPS_ARCH_32R6, EF_MIPS_ARCH);
 480     BCaseMask(EF_MIPS_ARCH_64R6, EF_MIPS_ARCH);
 481     break;
 482   case ELF::EM_HEXAGON:
 483     BCaseMask(EF_HEXAGON_MACH_V2, EF_HEXAGON_MACH);
 484     BCaseMask(EF_HEXAGON_MACH_V3, EF_HEXAGON_MACH);
 485     BCaseMask(EF_HEXAGON_MACH_V4, EF_HEXAGON_MACH);
 486     BCaseMask(EF_HEXAGON_MACH_V5, EF_HEXAGON_MACH);
 487     BCaseMask(EF_HEXAGON_MACH_V55, EF_HEXAGON_MACH);
 488     BCaseMask(EF_HEXAGON_MACH_V60, EF_HEXAGON_MACH);
 489     BCaseMask(EF_HEXAGON_MACH_V62, EF_HEXAGON_MACH);
 490     BCaseMask(EF_HEXAGON_MACH_V65, EF_HEXAGON_MACH);
 491     BCaseMask(EF_HEXAGON_MACH_V66, EF_HEXAGON_MACH);
 492     BCaseMask(EF_HEXAGON_MACH_V67, EF_HEXAGON_MACH);
 493     BCaseMask(EF_HEXAGON_MACH_V67T, EF_HEXAGON_MACH);
 494     BCaseMask(EF_HEXAGON_MACH_V68, EF_HEXAGON_MACH);
 495     BCaseMask(EF_HEXAGON_MACH_V69, EF_HEXAGON_MACH);
 496     BCaseMask(EF_HEXAGON_MACH_V71, EF_HEXAGON_MACH);
 497     BCaseMask(EF_HEXAGON_MACH_V71T, EF_HEXAGON_MACH);
 498     BCaseMask(EF_HEXAGON_MACH_V73, EF_HEXAGON_MACH);
 499     BCaseMask(EF_HEXAGON_MACH_V75, EF_HEXAGON_MACH);
 500     BCaseMask(EF_HEXAGON_ISA_V2, EF_HEXAGON_ISA);
 501     BCaseMask(EF_HEXAGON_ISA_V3, EF_HEXAGON_ISA);
 502     BCaseMask(EF_HEXAGON_ISA_V4, EF_HEXAGON_ISA);
 503     BCaseMask(EF_HEXAGON_ISA_V5, EF_HEXAGON_ISA);
 504     BCaseMask(EF_HEXAGON_ISA_V55, EF_HEXAGON_ISA);
 505     BCaseMask(EF_HEXAGON_ISA_V60, EF_HEXAGON_ISA);
 506     BCaseMask(EF_HEXAGON_ISA_V62, EF_HEXAGON_ISA);
 507     BCaseMask(EF_HEXAGON_ISA_V65, EF_HEXAGON_ISA);
 508     BCaseMask(EF_HEXAGON_ISA_V66, EF_HEXAGON_ISA);
 509     BCaseMask(EF_HEXAGON_ISA_V67, EF_HEXAGON_ISA);
 510     BCaseMask(EF_HEXAGON_ISA_V68, EF_HEXAGON_ISA);
 511     BCaseMask(EF_HEXAGON_ISA_V69, EF_HEXAGON_ISA);
 512     BCaseMask(EF_HEXAGON_ISA_V71, EF_HEXAGON_ISA);
 513     BCaseMask(EF_HEXAGON_ISA_V73, EF_HEXAGON_ISA);
 514     BCaseMask(EF_HEXAGON_ISA_V75, EF_HEXAGON_ISA);
 515     break;
 516   case ELF::EM_AVR:
 517     BCaseMask(EF_AVR_ARCH_AVR1, EF_AVR_ARCH_MASK);
 518     BCaseMask(EF_AVR_ARCH_AVR2, EF_AVR_ARCH_MASK);
 519     BCaseMask(EF_AVR_ARCH_AVR25, EF_AVR_ARCH_MASK);
 520     BCaseMask(EF_AVR_ARCH_AVR3, EF_AVR_ARCH_MASK);
 521     BCaseMask(EF_AVR_ARCH_AVR31, EF_AVR_ARCH_MASK);
 522     BCaseMask(EF_AVR_ARCH_AVR35, EF_AVR_ARCH_MASK);
 523     BCaseMask(EF_AVR_ARCH_AVR4, EF_AVR_ARCH_MASK);
 524     BCaseMask(EF_AVR_ARCH_AVR5, EF_AVR_ARCH_MASK);
 525     BCaseMask(EF_AVR_ARCH_AVR51, EF_AVR_ARCH_MASK);
 526     BCaseMask(EF_AVR_ARCH_AVR6, EF_AVR_ARCH_MASK);
 527     BCaseMask(EF_AVR_ARCH_AVRTINY, EF_AVR_ARCH_MASK);
 528     BCaseMask(EF_AVR_ARCH_XMEGA1, EF_AVR_ARCH_MASK);
 529     BCaseMask(EF_AVR_ARCH_XMEGA2, EF_AVR_ARCH_MASK);
 530     BCaseMask(EF_AVR_ARCH_XMEGA3, EF_AVR_ARCH_MASK);
 531     BCaseMask(EF_AVR_ARCH_XMEGA4, EF_AVR_ARCH_MASK);
 532     BCaseMask(EF_AVR_ARCH_XMEGA5, EF_AVR_ARCH_MASK);
 533     BCaseMask(EF_AVR_ARCH_XMEGA6, EF_AVR_ARCH_MASK);
 534     BCaseMask(EF_AVR_ARCH_XMEGA7, EF_AVR_ARCH_MASK);
 535     BCase(EF_AVR_LINKRELAX_PREPARED);
 536     break;
 537   case ELF::EM_LOONGARCH:
 538     BCaseMask(EF_LOONGARCH_ABI_SOFT_FLOAT, EF_LOONGARCH_ABI_MODIFIER_MASK);
 539     BCaseMask(EF_LOONGARCH_ABI_SINGLE_FLOAT, EF_LOONGARCH_ABI_MODIFIER_MASK);
 540     BCaseMask(EF_LOONGARCH_ABI_DOUBLE_FLOAT, EF_LOONGARCH_ABI_MODIFIER_MASK);
 541     BCaseMask(EF_LOONGARCH_OBJABI_V0, EF_LOONGARCH_OBJABI_MASK);
 542     BCaseMask(EF_LOONGARCH_OBJABI_V1, EF_LOONGARCH_OBJABI_MASK);
 543     break;
 544   case ELF::EM_RISCV:
 545     BCase(EF_RISCV_RVC);
 546     BCaseMask(EF_RISCV_FLOAT_ABI_SOFT, EF_RISCV_FLOAT_ABI);
 547     BCaseMask(EF_RISCV_FLOAT_ABI_SINGLE, EF_RISCV_FLOAT_ABI);
 548     BCaseMask(EF_RISCV_FLOAT_ABI_DOUBLE, EF_RISCV_FLOAT_ABI);
 549     BCaseMask(EF_RISCV_FLOAT_ABI_QUAD, EF_RISCV_FLOAT_ABI);
 550     BCase(EF_RISCV_RVE);
 551     BCase(EF_RISCV_TSO);
 552     break;
 553   case ELF::EM_SPARC32PLUS:
 554     BCase(EF_SPARC_32PLUS);
 555     BCase(EF_SPARC_SUN_US1);
 556     BCase(EF_SPARC_SUN_US3);
 557     BCase(EF_SPARC_HAL_R1);
 558     break;
 559   case ELF::EM_SPARCV9:
 560     BCase(EF_SPARC_SUN_US1);
 561     BCase(EF_SPARC_SUN_US3);
 562     BCase(EF_SPARC_HAL_R1);
 563     BCaseMask(EF_SPARCV9_RMO, EF_SPARCV9_MM);
 564     BCaseMask(EF_SPARCV9_PSO, EF_SPARCV9_MM);
 565     BCaseMask(EF_SPARCV9_TSO, EF_SPARCV9_MM);
 566     break;
 567   case ELF::EM_XTENSA:
 568     BCase(EF_XTENSA_XT_INSN);
 569     BCaseMask(EF_XTENSA_MACH_NONE, EF_XTENSA_MACH);
 570     BCase(EF_XTENSA_XT_LIT);
 571     break;
 572   case ELF::EM_AMDGPU:
 573     BCaseMask(EF_AMDGPU_MACH_NONE, EF_AMDGPU_MACH);
 574     BCaseMask(EF_AMDGPU_MACH_R600_R600, EF_AMDGPU_MACH);
 575     BCaseMask(EF_AMDGPU_MACH_R600_R630, EF_AMDGPU_MACH);
 576     BCaseMask(EF_AMDGPU_MACH_R600_RS880, EF_AMDGPU_MACH);
 577     BCaseMask(EF_AMDGPU_MACH_R600_RV670, EF_AMDGPU_MACH);
 578     BCaseMask(EF_AMDGPU_MACH_R600_RV710, EF_AMDGPU_MACH);
 579     BCaseMask(EF_AMDGPU_MACH_R600_RV730, EF_AMDGPU_MACH);
 580     BCaseMask(EF_AMDGPU_MACH_R600_RV770, EF_AMDGPU_MACH);
 581     BCaseMask(EF_AMDGPU_MACH_R600_CEDAR, EF_AMDGPU_MACH);
 582     BCaseMask(EF_AMDGPU_MACH_R600_CYPRESS, EF_AMDGPU_MACH);
 583     BCaseMask(EF_AMDGPU_MACH_R600_JUNIPER, EF_AMDGPU_MACH);
 584     BCaseMask(EF_AMDGPU_MACH_R600_REDWOOD, EF_AMDGPU_MACH);
 585     BCaseMask(EF_AMDGPU_MACH_R600_SUMO, EF_AMDGPU_MACH);
 586     BCaseMask(EF_AMDGPU_MACH_R600_BARTS, EF_AMDGPU_MACH);
 587     BCaseMask(EF_AMDGPU_MACH_R600_CAICOS, EF_AMDGPU_MACH);
 588     BCaseMask(EF_AMDGPU_MACH_R600_CAYMAN, EF_AMDGPU_MACH);
 589     BCaseMask(EF_AMDGPU_MACH_R600_TURKS, EF_AMDGPU_MACH);
 590     BCaseMask(EF_AMDGPU_MACH_AMDGCN_GFX600, EF_AMDGPU_MACH);
 591     BCaseMask(EF_AMDGPU_MACH_AMDGCN_GFX601, EF_AMDGPU_MACH);
 592     BCaseMask(EF_AMDGPU_MACH_AMDGCN_GFX602, EF_AMDGPU_MACH);
 593     BCaseMask(EF_AMDGPU_MACH_AMDGCN_GFX700, EF_AMDGPU_MACH);
 594     BCaseMask(EF_AMDGPU_MACH_AMDGCN_GFX701, EF_AMDGPU_MACH);
 595     BCaseMask(EF_AMDGPU_MACH_AMDGCN_GFX702, EF_AMDGPU_MACH);
 596     BCaseMask(EF_AMDGPU_MACH_AMDGCN_GFX703, EF_AMDGPU_MACH);
 597     BCaseMask(EF_AMDGPU_MACH_AMDGCN_GFX704, EF_AMDGPU_MACH);
 598     BCaseMask(EF_AMDGPU_MACH_AMDGCN_GFX705, EF_AMDGPU_MACH);
 599     BCaseMask(EF_AMDGPU_MACH_AMDGCN_GFX801, EF_AMDGPU_MACH);
 600     BCaseMask(EF_AMDGPU_MACH_AMDGCN_GFX802, EF_AMDGPU_MACH);
 601     BCaseMask(EF_AMDGPU_MACH_AMDGCN_GFX803, EF_AMDGPU_MACH);
 602     BCaseMask(EF_AMDGPU_MACH_AMDGCN_GFX805, EF_AMDGPU_MACH);
 603     BCaseMask(EF_AMDGPU_MACH_AMDGCN_GFX810, EF_AMDGPU_MACH);
 604     BCaseMask(EF_AMDGPU_MACH_AMDGCN_GFX900, EF_AMDGPU_MACH);
 605     BCaseMask(EF_AMDGPU_MACH_AMDGCN_GFX902, EF_AMDGPU_MACH);
 606     BCaseMask(EF_AMDGPU_MACH_AMDGCN_GFX904, EF_AMDGPU_MACH);
 607     BCaseMask(EF_AMDGPU_MACH_AMDGCN_GFX906, EF_AMDGPU_MACH);
 608     BCaseMask(EF_AMDGPU_MACH_AMDGCN_GFX908, EF_AMDGPU_MACH);
 609     BCaseMask(EF_AMDGPU_MACH_AMDGCN_GFX909, EF_AMDGPU_MACH);
 610     BCaseMask(EF_AMDGPU_MACH_AMDGCN_GFX90A, EF_AMDGPU_MACH);
 611     BCaseMask(EF_AMDGPU_MACH_AMDGCN_GFX90C, EF_AMDGPU_MACH);
 612     BCaseMask(EF_AMDGPU_MACH_AMDGCN_GFX940, EF_AMDGPU_MACH);
 613     BCaseMask(EF_AMDGPU_MACH_AMDGCN_GFX941, EF_AMDGPU_MACH);
 614     BCaseMask(EF_AMDGPU_MACH_AMDGCN_GFX942, EF_AMDGPU_MACH);
 615     BCaseMask(EF_AMDGPU_MACH_AMDGCN_GFX950, EF_AMDGPU_MACH);
 616     BCaseMask(EF_AMDGPU_MACH_AMDGCN_GFX1010, EF_AMDGPU_MACH);
 617     BCaseMask(EF_AMDGPU_MACH_AMDGCN_GFX1011, EF_AMDGPU_MACH);
 618     BCaseMask(EF_AMDGPU_MACH_AMDGCN_GFX1012, EF_AMDGPU_MACH);
 619     BCaseMask(EF_AMDGPU_MACH_AMDGCN_GFX1013, EF_AMDGPU_MACH);
 620     BCaseMask(EF_AMDGPU_MACH_AMDGCN_GFX1030, EF_AMDGPU_MACH);
 621     BCaseMask(EF_AMDGPU_MACH_AMDGCN_GFX1031, EF_AMDGPU_MACH);
 622     BCaseMask(EF_AMDGPU_MACH_AMDGCN_GFX1032, EF_AMDGPU_MACH);
 623     BCaseMask(EF_AMDGPU_MACH_AMDGCN_GFX1033, EF_AMDGPU_MACH);
 624     BCaseMask(EF_AMDGPU_MACH_AMDGCN_GFX1034, EF_AMDGPU_MACH);
 625     BCaseMask(EF_AMDGPU_MACH_AMDGCN_GFX1035, EF_AMDGPU_MACH);
 626     BCaseMask(EF_AMDGPU_MACH_AMDGCN_GFX1036, EF_AMDGPU_MACH);
 627     BCaseMask(EF_AMDGPU_MACH_AMDGCN_GFX1100, EF_AMDGPU_MACH);
 628     BCaseMask(EF_AMDGPU_MACH_AMDGCN_GFX1101, EF_AMDGPU_MACH);
 629     BCaseMask(EF_AMDGPU_MACH_AMDGCN_GFX1102, EF_AMDGPU_MACH);
 630     BCaseMask(EF_AMDGPU_MACH_AMDGCN_GFX1103, EF_AMDGPU_MACH);
 631     BCaseMask(EF_AMDGPU_MACH_AMDGCN_GFX1150, EF_AMDGPU_MACH);
 632     BCaseMask(EF_AMDGPU_MACH_AMDGCN_GFX1151, EF_AMDGPU_MACH);
 633     BCaseMask(EF_AMDGPU_MACH_AMDGCN_GFX1152, EF_AMDGPU_MACH);
 634     BCaseMask(EF_AMDGPU_MACH_AMDGCN_GFX1153, EF_AMDGPU_MACH);
 635     BCaseMask(EF_AMDGPU_MACH_AMDGCN_GFX1200, EF_AMDGPU_MACH);
 636     BCaseMask(EF_AMDGPU_MACH_AMDGCN_GFX1201, EF_AMDGPU_MACH);
 637     BCaseMask(EF_AMDGPU_MACH_AMDGCN_GFX9_GENERIC, EF_AMDGPU_MACH);
 638     BCaseMask(EF_AMDGPU_MACH_AMDGCN_GFX9_4_GENERIC, EF_AMDGPU_MACH);
 639     BCaseMask(EF_AMDGPU_MACH_AMDGCN_GFX10_1_GENERIC, EF_AMDGPU_MACH);
 640     BCaseMask(EF_AMDGPU_MACH_AMDGCN_GFX10_3_GENERIC, EF_AMDGPU_MACH);
 641     BCaseMask(EF_AMDGPU_MACH_AMDGCN_GFX11_GENERIC, EF_AMDGPU_MACH);
 642     BCaseMask(EF_AMDGPU_MACH_AMDGCN_GFX12_GENERIC, EF_AMDGPU_MACH);
 643     switch (Object->Header.ABIVersion) {
 644     default:
 645       // ELFOSABI_AMDGPU_PAL, ELFOSABI_AMDGPU_MESA3D support *_V3 flags.
 646       [[fallthrough]];
 647     case ELF::ELFABIVERSION_AMDGPU_HSA_V3:
 648       BCase(EF_AMDGPU_FEATURE_XNACK_V3);
 649       BCase(EF_AMDGPU_FEATURE_SRAMECC_V3);
 650       break;
 651     case ELF::ELFABIVERSION_AMDGPU_HSA_V6:
 652       for (unsigned K = ELF::EF_AMDGPU_GENERIC_VERSION_MIN;
 653            K <= ELF::EF_AMDGPU_GENERIC_VERSION_MAX; ++K) {
 654         std::string Key = "EF_AMDGPU_GENERIC_VERSION_V" + std::to_string(K);
 655         IO.maskedBitSetCase(Value, Key.c_str(),
 656                             K << ELF::EF_AMDGPU_GENERIC_VERSION_OFFSET,
 657                             ELF::EF_AMDGPU_GENERIC_VERSION);
 658       }
 659       [[fallthrough]];
 660     case ELF::ELFABIVERSION_AMDGPU_HSA_V4:
 661     case ELF::ELFABIVERSION_AMDGPU_HSA_V5:
 662       BCaseMask(EF_AMDGPU_FEATURE_XNACK_UNSUPPORTED_V4,
 663                 EF_AMDGPU_FEATURE_XNACK_V4);
 664       BCaseMask(EF_AMDGPU_FEATURE_XNACK_ANY_V4,
 665                 EF_AMDGPU_FEATURE_XNACK_V4);
 666       BCaseMask(EF_AMDGPU_FEATURE_XNACK_OFF_V4,
 667                 EF_AMDGPU_FEATURE_XNACK_V4);
 668       BCaseMask(EF_AMDGPU_FEATURE_XNACK_ON_V4,
 669                 EF_AMDGPU_FEATURE_XNACK_V4);
 670       BCaseMask(EF_AMDGPU_FEATURE_SRAMECC_UNSUPPORTED_V4,
 671                 EF_AMDGPU_FEATURE_SRAMECC_V4);
 672       BCaseMask(EF_AMDGPU_FEATURE_SRAMECC_ANY_V4,
 673                 EF_AMDGPU_FEATURE_SRAMECC_V4);
 674       BCaseMask(EF_AMDGPU_FEATURE_SRAMECC_OFF_V4,
 675                 EF_AMDGPU_FEATURE_SRAMECC_V4);
 676       BCaseMask(EF_AMDGPU_FEATURE_SRAMECC_ON_V4,
 677                 EF_AMDGPU_FEATURE_SRAMECC_V4);
 678       break;
 679     }
 680     break;
 681   default:
 682     break;
 683   }
 684 #undef BCase
 685 #undef BCaseMask
 686 }
 687
 688 void ScalarEnumerationTraits<ELFYAML::ELF_SHT>::enumeration(
 689     IO &IO, ELFYAML::ELF_SHT &Value) {
 690   const auto *Object = static_cast<ELFYAML::Object *>(IO.getContext());
 691   assert(Object && "The IO context is not initialized");
 692 #define ECase(X) IO.enumCase(Value, #X, ELF::X)
 693   ECase(SHT_NULL);
 694   ECase(SHT_PROGBITS);
 695   ECase(SHT_SYMTAB);
 696   // FIXME: Issue a diagnostic with this information.
 697   ECase(SHT_STRTAB);
 698   ECase(SHT_RELA);
 699   ECase(SHT_HASH);
 700   ECase(SHT_DYNAMIC);
 701   ECase(SHT_NOTE);
 702   ECase(SHT_NOBITS);
 703   ECase(SHT_REL);
 704   ECase(SHT_SHLIB);
 705   ECase(SHT_DYNSYM);
 706   ECase(SHT_INIT_ARRAY);
 707   ECase(SHT_FINI_ARRAY);
 708   ECase(SHT_PREINIT_ARRAY);
 709   ECase(SHT_GROUP);
 710   ECase(SHT_SYMTAB_SHNDX);
 711   ECase(SHT_RELR);
 712   ECase(SHT_CREL);
 713   ECase(SHT_ANDROID_REL);
 714   ECase(SHT_ANDROID_RELA);
 715   ECase(SHT_ANDROID_RELR);
 716   ECase(SHT_LLVM_ODRTAB);
 717   ECase(SHT_LLVM_LINKER_OPTIONS);
 718   ECase(SHT_LLVM_CALL_GRAPH_PROFILE);
 719   ECase(SHT_LLVM_ADDRSIG);
 720   ECase(SHT_LLVM_DEPENDENT_LIBRARIES);
 721   ECase(SHT_LLVM_SYMPART);
 722   ECase(SHT_LLVM_PART_EHDR);
 723   ECase(SHT_LLVM_PART_PHDR);
 724   ECase(SHT_LLVM_BB_ADDR_MAP_V0);
 725   ECase(SHT_LLVM_BB_ADDR_MAP);
 726   ECase(SHT_LLVM_OFFLOADING);
 727   ECase(SHT_LLVM_LTO);
 728   ECase(SHT_GNU_ATTRIBUTES);
 729   ECase(SHT_GNU_HASH);
 730   ECase(SHT_GNU_verdef);
 731   ECase(SHT_GNU_verneed);
 732   ECase(SHT_GNU_versym);
 733   switch (Object->getMachine()) {
 734   case ELF::EM_ARM:
 735     ECase(SHT_ARM_EXIDX);
 736     ECase(SHT_ARM_PREEMPTMAP);
 737     ECase(SHT_ARM_ATTRIBUTES);
 738     ECase(SHT_ARM_DEBUGOVERLAY);
 739     ECase(SHT_ARM_OVERLAYSECTION);
 740     break;
 741   case ELF::EM_HEXAGON:
 742     ECase(SHT_HEX_ORDERED);
 743     ECase(SHT_HEXAGON_ATTRIBUTES);
 744     break;
 745   case ELF::EM_X86_64:
 746     ECase(SHT_X86_64_UNWIND);
 747     break;
 748   case ELF::EM_MIPS:
 749     ECase(SHT_MIPS_REGINFO);
 750     ECase(SHT_MIPS_OPTIONS);
 751     ECase(SHT_MIPS_DWARF);
 752     ECase(SHT_MIPS_ABIFLAGS);
 753     break;
 754   case ELF::EM_RISCV:
 755     ECase(SHT_RISCV_ATTRIBUTES);
 756     break;
 757   case ELF::EM_MSP430:
 758     ECase(SHT_MSP430_ATTRIBUTES);
 759     break;
 760   case ELF::EM_AARCH64:
 761     ECase(SHT_AARCH64_AUTH_RELR);
 762     ECase(SHT_AARCH64_MEMTAG_GLOBALS_STATIC);
 763     ECase(SHT_AARCH64_MEMTAG_GLOBALS_DYNAMIC);
 764     break;
 765   default:
 766     // Nothing to do.
 767     break;
 768   }
 769 #undef ECase
 770   IO.enumFallback<Hex32>(Value);
 771 }
 772
 773 void ScalarBitSetTraits<ELFYAML::ELF_PF>::bitset(IO &IO,
 774                                                  ELFYAML::ELF_PF &Value) {
 775 #define BCase(X) IO.bitSetCase(Value, #X, ELF::X)
 776   BCase(PF_X);
 777   BCase(PF_W);
 778   BCase(PF_R);
 779 }
 780
 781 void ScalarBitSetTraits<ELFYAML::ELF_SHF>::bitset(IO &IO,
 782                                                   ELFYAML::ELF_SHF &Value) {
 783   const auto *Object = static_cast<ELFYAML::Object *>(IO.getContext());
 784 #define BCase(X) IO.bitSetCase(Value, #X, ELF::X)
 785   BCase(SHF_WRITE);
 786   BCase(SHF_ALLOC);
 787   BCase(SHF_EXCLUDE);
 788   BCase(SHF_EXECINSTR);
 789   BCase(SHF_MERGE);
 790   BCase(SHF_STRINGS);
 791   BCase(SHF_INFO_LINK);
 792   BCase(SHF_LINK_ORDER);
 793   BCase(SHF_OS_NONCONFORMING);
 794   BCase(SHF_GROUP);
 795   BCase(SHF_TLS);
 796   BCase(SHF_COMPRESSED);
 797   switch (Object->getOSAbi()) {
 798   case ELF::ELFOSABI_SOLARIS:
 799     BCase(SHF_SUNW_NODISCARD);
 800     break;
 801   default:
 802     BCase(SHF_GNU_RETAIN);
 803     break;
 804   }
 805   switch (Object->getMachine()) {
 806   case ELF::EM_ARM:
 807     BCase(SHF_ARM_PURECODE);
 808     break;
 809   case ELF::EM_HEXAGON:
 810     BCase(SHF_HEX_GPREL);
 811     break;
 812   case ELF::EM_MIPS:
 813     BCase(SHF_MIPS_NODUPES);
 814     BCase(SHF_MIPS_NAMES);
 815     BCase(SHF_MIPS_LOCAL);
 816     BCase(SHF_MIPS_NOSTRIP);
 817     BCase(SHF_MIPS_GPREL);
 818     BCase(SHF_MIPS_MERGE);
 819     BCase(SHF_MIPS_ADDR);
 820     BCase(SHF_MIPS_STRING);
 821     break;
 822   case ELF::EM_X86_64:
 823     BCase(SHF_X86_64_LARGE);
 824     break;
 825   default:
 826     // Nothing to do.
 827     break;
 828   }
 829 #undef BCase
 830 }
 831
 832 void ScalarEnumerationTraits<ELFYAML::ELF_SHN>::enumeration(
 833     IO &IO, ELFYAML::ELF_SHN &Value) {
 834   const auto *Object = static_cast<ELFYAML::Object *>(IO.getContext());
 835   assert(Object && "The IO context is not initialized");
 836 #define ECase(X) IO.enumCase(Value, #X, ELF::X)
 837   ECase(SHN_UNDEF);
 838   ECase(SHN_LORESERVE);
 839   ECase(SHN_LOPROC);
 840   ECase(SHN_HIPROC);
 841   ECase(SHN_LOOS);
 842   ECase(SHN_HIOS);
 843   ECase(SHN_ABS);
 844   ECase(SHN_COMMON);
 845   ECase(SHN_XINDEX);
 846   ECase(SHN_HIRESERVE);
 847   ECase(SHN_AMDGPU_LDS);
 848
 849   if (!IO.outputting() || Object->getMachine() == ELF::EM_MIPS) {
 850     ECase(SHN_MIPS_ACOMMON);
 851     ECase(SHN_MIPS_TEXT);
 852     ECase(SHN_MIPS_DATA);
 853     ECase(SHN_MIPS_SCOMMON);
 854     ECase(SHN_MIPS_SUNDEFINED);
 855   }
 856
 857   ECase(SHN_HEXAGON_SCOMMON);
 858   ECase(SHN_HEXAGON_SCOMMON_1);
 859   ECase(SHN_HEXAGON_SCOMMON_2);
 860   ECase(SHN_HEXAGON_SCOMMON_4);
 861   ECase(SHN_HEXAGON_SCOMMON_8);
 862 #undef ECase
 863   IO.enumFallback<Hex16>(Value);
 864 }
 865
 866 void ScalarEnumerationTraits<ELFYAML::ELF_STB>::enumeration(
 867     IO &IO, ELFYAML::ELF_STB &Value) {
 868 #define ECase(X) IO.enumCase(Value, #X, ELF::X)
 869   ECase(STB_LOCAL);
 870   ECase(STB_GLOBAL);
 871   ECase(STB_WEAK);
 872   ECase(STB_GNU_UNIQUE);
 873 #undef ECase
 874   IO.enumFallback<Hex8>(Value);
 875 }
 876
 877 void ScalarEnumerationTraits<ELFYAML::ELF_STT>::enumeration(
 878     IO &IO, ELFYAML::ELF_STT &Value) {
 879 #define ECase(X) IO.enumCase(Value, #X, ELF::X)
 880   ECase(STT_NOTYPE);
 881   ECase(STT_OBJECT);
 882   ECase(STT_FUNC);
 883   ECase(STT_SECTION);
 884   ECase(STT_FILE);
 885   ECase(STT_COMMON);
 886   ECase(STT_TLS);
 887   ECase(STT_GNU_IFUNC);
 888 #undef ECase
 889   IO.enumFallback<Hex8>(Value);
 890 }
 891
 892
 893 void ScalarEnumerationTraits<ELFYAML::ELF_RSS>::enumeration(
 894     IO &IO, ELFYAML::ELF_RSS &Value) {
 895 #define ECase(X) IO.enumCase(Value, #X, ELF::X)
 896   ECase(RSS_UNDEF);
 897   ECase(RSS_GP);
 898   ECase(RSS_GP0);
 899   ECase(RSS_LOC);
 900 #undef ECase
 901 }
 902
 903 void ScalarEnumerationTraits<ELFYAML::ELF_REL>::enumeration(
 904     IO &IO, ELFYAML::ELF_REL &Value) {
 905   const auto *Object = static_cast<ELFYAML::Object *>(IO.getContext());
 906   assert(Object && "The IO context is not initialized");
 907 #define ELF_RELOC(X, Y) IO.enumCase(Value, #X, ELF::X);
 908   switch (Object->getMachine()) {
 909   case ELF::EM_X86_64:
 910 #include "llvm/BinaryFormat/ELFRelocs/x86_64.def"
 911     break;
 912   case ELF::EM_MIPS:
 913 #include "llvm/BinaryFormat/ELFRelocs/Mips.def"
 914     break;
 915   case ELF::EM_HEXAGON:
 916 #include "llvm/BinaryFormat/ELFRelocs/Hexagon.def"
 917     break;
 918   case ELF::EM_386:
 919   case ELF::EM_IAMCU:
 920 #include "llvm/BinaryFormat/ELFRelocs/i386.def"
 921     break;
 922   case ELF::EM_AARCH64:
 923 #include "llvm/BinaryFormat/ELFRelocs/AArch64.def"
 924     break;
 925   case ELF::EM_ARM:
 926 #include "llvm/BinaryFormat/ELFRelocs/ARM.def"
 927     break;
 928   case ELF::EM_ARC:
 929 #include "llvm/BinaryFormat/ELFRelocs/ARC.def"
 930     break;
 931   case ELF::EM_RISCV:
 932 #include "llvm/BinaryFormat/ELFRelocs/RISCV.def"
 933     break;
 934   case ELF::EM_LANAI:
 935 #include "llvm/BinaryFormat/ELFRelocs/Lanai.def"
 936     break;
 937   case ELF::EM_AMDGPU:
 938 #include "llvm/BinaryFormat/ELFRelocs/AMDGPU.def"
 939     break;
 940   case ELF::EM_BPF:
 941 #include "llvm/BinaryFormat/ELFRelocs/BPF.def"
 942     break;
 943   case ELF::EM_VE:
 944 #include "llvm/BinaryFormat/ELFRelocs/VE.def"
 945     break;
 946   case ELF::EM_CSKY:
 947 #include "llvm/BinaryFormat/ELFRelocs/CSKY.def"
 948     break;
 949   case ELF::EM_PPC:
 950 #include "llvm/BinaryFormat/ELFRelocs/PowerPC.def"
 951     break;
 952   case ELF::EM_PPC64:
 953 #include "llvm/BinaryFormat/ELFRelocs/PowerPC64.def"
 954     break;
 955   case ELF::EM_68K:
 956 #include "llvm/BinaryFormat/ELFRelocs/M68k.def"
 957     break;
 958   case ELF::EM_LOONGARCH:
 959 #include "llvm/BinaryFormat/ELFRelocs/LoongArch.def"
 960     break;
 961   case ELF::EM_XTENSA:
 962 #include "llvm/BinaryFormat/ELFRelocs/Xtensa.def"
 963     break;
 964   default:
 965     // Nothing to do.
 966     break;
 967   }
 968 #undef ELF_RELOC
 969   IO.enumFallback<Hex32>(Value);
 970 }
 971
 972 void ScalarEnumerationTraits<ELFYAML::ELF_DYNTAG>::enumeration(
 973     IO &IO, ELFYAML::ELF_DYNTAG &Value) {
 974   const auto *Object = static_cast<ELFYAML::Object *>(IO.getContext());
 975   assert(Object && "The IO context is not initialized");
 976
 977 // Disable architecture specific tags by default. We might enable them below.
 978 #define AARCH64_DYNAMIC_TAG(name, value)
 979 #define MIPS_DYNAMIC_TAG(name, value)
 980 #define HEXAGON_DYNAMIC_TAG(name, value)
 981 #define PPC_DYNAMIC_TAG(name, value)
 982 #define PPC64_DYNAMIC_TAG(name, value)
 983 // Ignore marker tags such as DT_HIOS (maps to DT_VERNEEDNUM), etc.
 984 #define DYNAMIC_TAG_MARKER(name, value)
 985
 986 #define STRINGIFY(X) (#X)
 987 #define DYNAMIC_TAG(X, Y) IO.enumCase(Value, STRINGIFY(DT_##X), ELF::DT_##X);
 988   switch (Object->getMachine()) {
 989   case ELF::EM_AARCH64:
 990 #undef AARCH64_DYNAMIC_TAG
 991 #define AARCH64_DYNAMIC_TAG(name, value) DYNAMIC_TAG(name, value)
 992 #include "llvm/BinaryFormat/DynamicTags.def"
 993 #undef AARCH64_DYNAMIC_TAG
 994 #define AARCH64_DYNAMIC_TAG(name, value)
 995     break;
 996   case ELF::EM_MIPS:
 997 #undef MIPS_DYNAMIC_TAG
 998 #define MIPS_DYNAMIC_TAG(name, value) DYNAMIC_TAG(name, value)
 999 #include "llvm/BinaryFormat/DynamicTags.def"
1000 #undef MIPS_DYNAMIC_TAG
1001 #define MIPS_DYNAMIC_TAG(name, value)
1002     break;
1003   case ELF::EM_HEXAGON:
1004 #undef HEXAGON_DYNAMIC_TAG
1005 #define HEXAGON_DYNAMIC_TAG(name, value) DYNAMIC_TAG(name, value)
1006 #include "llvm/BinaryFormat/DynamicTags.def"
1007 #undef HEXAGON_DYNAMIC_TAG
1008 #define HEXAGON_DYNAMIC_TAG(name, value)
1009     break;
1010   case ELF::EM_PPC:
1011 #undef PPC_DYNAMIC_TAG
1012 #define PPC_DYNAMIC_TAG(name, value) DYNAMIC_TAG(name, value)
1013 #include "llvm/BinaryFormat/DynamicTags.def"
1014 #undef PPC_DYNAMIC_TAG
1015 #define PPC_DYNAMIC_TAG(name, value)
1016     break;
1017   case ELF::EM_PPC64:
1018 #undef PPC64_DYNAMIC_TAG
1019 #define PPC64_DYNAMIC_TAG(name, value) DYNAMIC_TAG(name, value)
1020 #include "llvm/BinaryFormat/DynamicTags.def"
1021 #undef PPC64_DYNAMIC_TAG
1022 #define PPC64_DYNAMIC_TAG(name, value)
1023     break;
1024   case ELF::EM_RISCV:
1025 #undef RISCV_DYNAMIC_TAG
1026 #define RISCV_DYNAMIC_TAG(name, value) DYNAMIC_TAG(name, value)
1027 #include "llvm/BinaryFormat/DynamicTags.def"
1028 #undef RISCV_DYNAMIC_TAG
1029 #define RISCV_DYNAMIC_TAG(name, value)
1030     break;
1031   default:
1032 #include "llvm/BinaryFormat/DynamicTags.def"
1033     break;
1034   }
1035 #undef AARCH64_DYNAMIC_TAG
1036 #undef MIPS_DYNAMIC_TAG
1037 #undef HEXAGON_DYNAMIC_TAG
1038 #undef PPC_DYNAMIC_TAG
1039 #undef PPC64_DYNAMIC_TAG
1040 #undef DYNAMIC_TAG_MARKER
1041 #undef STRINGIFY
1042 #undef DYNAMIC_TAG
1043
1044   IO.enumFallback<Hex64>(Value);
1045 }
1046
1047 void ScalarEnumerationTraits<ELFYAML::MIPS_AFL_REG>::enumeration(
1048     IO &IO, ELFYAML::MIPS_AFL_REG &Value) {
1049 #define ECase(X) IO.enumCase(Value, #X, Mips::AFL_##X)
1050   ECase(REG_NONE);
1051   ECase(REG_32);
1052   ECase(REG_64);
1053   ECase(REG_128);
1054 #undef ECase
1055 }
1056
1057 void ScalarEnumerationTraits<ELFYAML::MIPS_ABI_FP>::enumeration(
1058     IO &IO, ELFYAML::MIPS_ABI_FP &Value) {
1059 #define ECase(X) IO.enumCase(Value, #X, Mips::Val_GNU_MIPS_ABI_##X)
1060   ECase(FP_ANY);
1061   ECase(FP_DOUBLE);
1062   ECase(FP_SINGLE);
1063   ECase(FP_SOFT);
1064   ECase(FP_OLD_64);
1065   ECase(FP_XX);
1066   ECase(FP_64);
1067   ECase(FP_64A);
1068 #undef ECase
1069 }
1070
1071 void ScalarEnumerationTraits<ELFYAML::MIPS_AFL_EXT>::enumeration(
1072     IO &IO, ELFYAML::MIPS_AFL_EXT &Value) {
1073 #define ECase(X) IO.enumCase(Value, #X, Mips::AFL_##X)
1074   ECase(EXT_NONE);
1075   ECase(EXT_XLR);
1076   ECase(EXT_OCTEON2);
1077   ECase(EXT_OCTEONP);
1078   ECase(EXT_LOONGSON_3A);
1079   ECase(EXT_OCTEON);
1080   ECase(EXT_5900);
1081   ECase(EXT_4650);
1082   ECase(EXT_4010);
1083   ECase(EXT_4100);
1084   ECase(EXT_3900);
1085   ECase(EXT_10000);
1086   ECase(EXT_SB1);
1087   ECase(EXT_4111);
1088   ECase(EXT_4120);
1089   ECase(EXT_5400);
1090   ECase(EXT_5500);
1091   ECase(EXT_LOONGSON_2E);
1092   ECase(EXT_LOONGSON_2F);
1093   ECase(EXT_OCTEON3);
1094 #undef ECase
1095 }
1096
1097 void ScalarEnumerationTraits<ELFYAML::MIPS_ISA>::enumeration(
1098     IO &IO, ELFYAML::MIPS_ISA &Value) {
1099   IO.enumCase(Value, "MIPS1", 1);
1100   IO.enumCase(Value, "MIPS2", 2);
1101   IO.enumCase(Value, "MIPS3", 3);
1102   IO.enumCase(Value, "MIPS4", 4);
1103   IO.enumCase(Value, "MIPS5", 5);
1104   IO.enumCase(Value, "MIPS32", 32);
1105   IO.enumCase(Value, "MIPS64", 64);
1106   IO.enumFallback<Hex32>(Value);
1107 }
1108
1109 void ScalarBitSetTraits<ELFYAML::MIPS_AFL_ASE>::bitset(
1110     IO &IO, ELFYAML::MIPS_AFL_ASE &Value) {
1111 #define BCase(X) IO.bitSetCase(Value, #X, Mips::AFL_ASE_##X)
1112   BCase(DSP);
1113   BCase(DSPR2);
1114   BCase(EVA);
1115   BCase(MCU);
1116   BCase(MDMX);
1117   BCase(MIPS3D);
1118   BCase(MT);
1119   BCase(SMARTMIPS);
1120   BCase(VIRT);
1121   BCase(MSA);
1122   BCase(MIPS16);
1123   BCase(MICROMIPS);
1124   BCase(XPA);
1125   BCase(CRC);
1126   BCase(GINV);
1127 #undef BCase
1128 }
1129
1130 void ScalarBitSetTraits<ELFYAML::MIPS_AFL_FLAGS1>::bitset(
1131     IO &IO, ELFYAML::MIPS_AFL_FLAGS1 &Value) {
1132 #define BCase(X) IO.bitSetCase(Value, #X, Mips::AFL_FLAGS1_##X)
1133   BCase(ODDSPREG);
1134 #undef BCase
1135 }
1136
1137 void MappingTraits<ELFYAML::SectionHeader>::mapping(
1138     IO &IO, ELFYAML::SectionHeader &SHdr) {
1139   IO.mapRequired("Name", SHdr.Name);
1140 }
1141
1142 void MappingTraits<ELFYAML::FileHeader>::mapping(IO &IO,
1143                                                  ELFYAML::FileHeader &FileHdr) {
1144   IO.mapRequired("Class", FileHdr.Class);
1145   IO.mapRequired("Data", FileHdr.Data);
1146   IO.mapOptional("OSABI", FileHdr.OSABI, ELFYAML::ELF_ELFOSABI(0));
1147   IO.mapOptional("ABIVersion", FileHdr.ABIVersion, Hex8(0));
1148   IO.mapRequired("Type", FileHdr.Type);
1149   IO.mapOptional("Machine", FileHdr.Machine);
1150   IO.mapOptional("Flags", FileHdr.Flags, ELFYAML::ELF_EF(0));
1151   IO.mapOptional("Entry", FileHdr.Entry, Hex64(0));
1152   IO.mapOptional("SectionHeaderStringTable", FileHdr.SectionHeaderStringTable);
1153
1154   // obj2yaml does not dump these fields.
1155   assert(!IO.outputting() ||
1156          (!FileHdr.EPhOff && !FileHdr.EPhEntSize && !FileHdr.EPhNum));
1157   IO.mapOptional("EPhOff", FileHdr.EPhOff);
1158   IO.mapOptional("EPhEntSize", FileHdr.EPhEntSize);
1159   IO.mapOptional("EPhNum", FileHdr.EPhNum);
1160   IO.mapOptional("EShEntSize", FileHdr.EShEntSize);
1161   IO.mapOptional("EShOff", FileHdr.EShOff);
1162   IO.mapOptional("EShNum", FileHdr.EShNum);
1163   IO.mapOptional("EShStrNdx", FileHdr.EShStrNdx);
1164 }
1165
1166 void MappingTraits<ELFYAML::ProgramHeader>::mapping(
1167     IO &IO, ELFYAML::ProgramHeader &Phdr) {
1168   IO.mapRequired("Type", Phdr.Type);
1169   IO.mapOptional("Flags", Phdr.Flags, ELFYAML::ELF_PF(0));
1170   IO.mapOptional("FirstSec", Phdr.FirstSec);
1171   IO.mapOptional("LastSec", Phdr.LastSec);
1172   IO.mapOptional("VAddr", Phdr.VAddr, Hex64(0));
1173   IO.mapOptional("PAddr", Phdr.PAddr, Phdr.VAddr);
1174   IO.mapOptional("Align", Phdr.Align);
1175   IO.mapOptional("FileSize", Phdr.FileSize);
1176   IO.mapOptional("MemSize", Phdr.MemSize);
1177   IO.mapOptional("Offset", Phdr.Offset);
1178 }
1179
1180 std::string MappingTraits<ELFYAML::ProgramHeader>::validate(
1181     IO &IO, ELFYAML::ProgramHeader &FileHdr) {
1182   if (!FileHdr.FirstSec && FileHdr.LastSec)
1183     return "the \"LastSec\" key can't be used without the \"FirstSec\" key";
1184   if (FileHdr.FirstSec && !FileHdr.LastSec)
1185     return "the \"FirstSec\" key can't be used without the \"LastSec\" key";
1186   return "";
1187 }
1188
1189 LLVM_YAML_STRONG_TYPEDEF(StringRef, StOtherPiece)
1190
1191 template <> struct ScalarTraits<StOtherPiece> {
1192   static void output(const StOtherPiece &Val, void *, raw_ostream &Out) {
1193     Out << Val;
1194   }
1195   static StringRef input(StringRef Scalar, void *, StOtherPiece &Val) {
1196     Val = Scalar;
1197     return {};
1198   }
1199   static QuotingType mustQuote(StringRef) { return QuotingType::None; }
1200 };
1201 template <> struct SequenceElementTraits<StOtherPiece> {
1202   static const bool flow = true;
1203 };
1204
1205 template <> struct ScalarTraits<ELFYAML::YAMLFlowString> {
1206   static void output(const ELFYAML::YAMLFlowString &Val, void *,
1207                      raw_ostream &Out) {
1208     Out << Val;
1209   }
1210   static StringRef input(StringRef Scalar, void *,
1211                          ELFYAML::YAMLFlowString &Val) {
1212     Val = Scalar;
1213     return {};
1214   }
1215   static QuotingType mustQuote(StringRef S) {
1216     return ScalarTraits<StringRef>::mustQuote(S);
1217   }
1218 };
1219 template <> struct SequenceElementTraits<ELFYAML::YAMLFlowString> {
1220   static const bool flow = true;
1221 };
1222
1223 namespace {
1224
1225 struct NormalizedOther {
1226   NormalizedOther(IO &IO) : YamlIO(IO) {}
1227   NormalizedOther(IO &IO, std::optional<uint8_t> Original) : YamlIO(IO) {
1228     assert(Original && "This constructor is only used for outputting YAML and "
1229                        "assumes a non-empty Original");
1230     std::vector<StOtherPiece> Ret;
1231     const auto *Object = static_cast<ELFYAML::Object *>(YamlIO.getContext());
1232     for (std::pair<StringRef, uint8_t> &P :
1233          getFlags(Object->getMachine()).takeVector()) {
1234       uint8_t FlagValue = P.second;
1235       if ((*Original & FlagValue) != FlagValue)
1236         continue;
1237       *Original &= ~FlagValue;
1238       Ret.push_back({P.first});
1239     }
1240
1241     if (*Original != 0) {
1242       UnknownFlagsHolder = std::to_string(*Original);
1243       Ret.push_back({UnknownFlagsHolder});
1244     }
1245
1246     if (!Ret.empty())
1247       Other = std::move(Ret);
1248   }
1249
1250   uint8_t toValue(StringRef Name) {
1251     const auto *Object = static_cast<ELFYAML::Object *>(YamlIO.getContext());
1252     MapVector<StringRef, uint8_t> Flags = getFlags(Object->getMachine());
1253
1254     auto It = Flags.find(Name);
1255     if (It != Flags.end())
1256       return It->second;
1257
1258     uint8_t Val;
1259     if (to_integer(Name, Val))
1260       return Val;
1261
1262     YamlIO.setError("an unknown value is used for symbol's 'Other' field: " +
1263                     Name);
1264     return 0;
1265   }
1266
1267   std::optional<uint8_t> denormalize(IO &) {
1268     if (!Other)
1269       return std::nullopt;
1270     uint8_t Ret = 0;
1271     for (StOtherPiece &Val : *Other)
1272       Ret |= toValue(Val);
1273     return Ret;
1274   }
1275
1276   // st_other field is used to encode symbol visibility and platform-dependent
1277   // flags and values. This method returns a name to value map that is used for
1278   // parsing and encoding this field.
1279   MapVector<StringRef, uint8_t> getFlags(unsigned EMachine) {
1280     MapVector<StringRef, uint8_t> Map;
1281     // STV_* values are just enumeration values. We add them in a reversed order
1282     // because when we convert the st_other to named constants when printing
1283     // YAML we want to use a maximum number of bits on each step:
1284     // when we have st_other == 3, we want to print it as STV_PROTECTED (3), but
1285     // not as STV_HIDDEN (2) + STV_INTERNAL (1).
1286     Map["STV_PROTECTED"] = ELF::STV_PROTECTED;
1287     Map["STV_HIDDEN"] = ELF::STV_HIDDEN;
1288     Map["STV_INTERNAL"] = ELF::STV_INTERNAL;
1289     // STV_DEFAULT is used to represent the default visibility and has a value
1290     // 0. We want to be able to read it from YAML documents, but there is no
1291     // reason to print it.
1292     if (!YamlIO.outputting())
1293       Map["STV_DEFAULT"] = ELF::STV_DEFAULT;
1294
1295     // MIPS is not consistent. All of the STO_MIPS_* values are bit flags,
1296     // except STO_MIPS_MIPS16 which overlaps them. It should be checked and
1297     // consumed first when we print the output, because we do not want to print
1298     // any other flags that have the same bits instead.
1299     if (EMachine == ELF::EM_MIPS) {
1300       Map["STO_MIPS_MIPS16"] = ELF::STO_MIPS_MIPS16;
1301       Map["STO_MIPS_MICROMIPS"] = ELF::STO_MIPS_MICROMIPS;
1302       Map["STO_MIPS_PIC"] = ELF::STO_MIPS_PIC;
1303       Map["STO_MIPS_PLT"] = ELF::STO_MIPS_PLT;
1304       Map["STO_MIPS_OPTIONAL"] = ELF::STO_MIPS_OPTIONAL;
1305     }
1306
1307     if (EMachine == ELF::EM_AARCH64)
1308       Map["STO_AARCH64_VARIANT_PCS"] = ELF::STO_AARCH64_VARIANT_PCS;
1309     if (EMachine == ELF::EM_RISCV)
1310       Map["STO_RISCV_VARIANT_CC"] = ELF::STO_RISCV_VARIANT_CC;
1311     return Map;
1312   }
1313
1314   IO &YamlIO;
1315   std::optional<std::vector<StOtherPiece>> Other;
1316   std::string UnknownFlagsHolder;
1317 };
1318
1319 } // end anonymous namespace
1320
1321 void ScalarTraits<ELFYAML::YAMLIntUInt>::output(const ELFYAML::YAMLIntUInt &Val,
1322                                                 void *Ctx, raw_ostream &Out) {
1323   Out << Val;
1324 }
1325
1326 StringRef ScalarTraits<ELFYAML::YAMLIntUInt>::input(StringRef Scalar, void *Ctx,
1327                                                     ELFYAML::YAMLIntUInt &Val) {
1328   const bool Is64 = static_cast<ELFYAML::Object *>(Ctx)->Header.Class ==
1329                     ELFYAML::ELF_ELFCLASS(ELF::ELFCLASS64);
1330   StringRef ErrMsg = "invalid number";
1331   // We do not accept negative hex numbers because their meaning is ambiguous.
1332   // For example, would -0xfffffffff mean 1 or INT32_MIN?
1333   if (Scalar.empty() || Scalar.starts_with("-0x"))
1334     return ErrMsg;
1335
1336   if (Scalar.starts_with("-")) {
1337     const int64_t MinVal = Is64 ? INT64_MIN : INT32_MIN;
1338     long long Int;
1339     if (getAsSignedInteger(Scalar, /*Radix=*/0, Int) || (Int < MinVal))
1340       return ErrMsg;
1341     Val = Int;
1342     return "";
1343   }
1344
1345   const uint64_t MaxVal = Is64 ? UINT64_MAX : UINT32_MAX;
1346   unsigned long long UInt;
1347   if (getAsUnsignedInteger(Scalar, /*Radix=*/0, UInt) || (UInt > MaxVal))
1348     return ErrMsg;
1349   Val = UInt;
1350   return "";
1351 }
1352
1353 void MappingTraits<ELFYAML::Symbol>::mapping(IO &IO, ELFYAML::Symbol &Symbol) {
1354   IO.mapOptional("Name", Symbol.Name, StringRef());
1355   IO.mapOptional("StName", Symbol.StName);
1356   IO.mapOptional("Type", Symbol.Type, ELFYAML::ELF_STT(0));
1357   IO.mapOptional("Section", Symbol.Section);
1358   IO.mapOptional("Index", Symbol.Index);
1359   IO.mapOptional("Binding", Symbol.Binding, ELFYAML::ELF_STB(0));
1360   IO.mapOptional("Value", Symbol.Value);
1361   IO.mapOptional("Size", Symbol.Size);
1362
1363   // Symbol's Other field is a bit special. It is usually a field that
1364   // represents st_other and holds the symbol visibility. However, on some
1365   // platforms, it can contain bit fields and regular values, or even sometimes
1366   // a crazy mix of them (see comments for NormalizedOther). Because of this, we
1367   // need special handling.
1368   MappingNormalization<NormalizedOther, std::optional<uint8_t>> Keys(
1369       IO, Symbol.Other);
1370   IO.mapOptional("Other", Keys->Other);
1371 }
1372
1373 std::string MappingTraits<ELFYAML::Symbol>::validate(IO &IO,
1374                                                      ELFYAML::Symbol &Symbol) {
1375   if (Symbol.Index && Symbol.Section)
1376     return "Index and Section cannot both be specified for Symbol";
1377   return "";
1378 }
1379
1380 static void commonSectionMapping(IO &IO, ELFYAML::Section &Section) {
1381   IO.mapOptional("Name", Section.Name, StringRef());
1382   IO.mapRequired("Type", Section.Type);
1383   IO.mapOptional("Flags", Section.Flags);
1384   IO.mapOptional("Address", Section.Address);
1385   IO.mapOptional("Link", Section.Link);
1386   IO.mapOptional("AddressAlign", Section.AddressAlign, Hex64(0));
1387   IO.mapOptional("EntSize", Section.EntSize);
1388   IO.mapOptional("Offset", Section.Offset);
1389
1390   IO.mapOptional("Content", Section.Content);
1391   IO.mapOptional("Size", Section.Size);
1392
1393   // obj2yaml does not dump these fields. They are expected to be empty when we
1394   // are producing YAML, because yaml2obj sets appropriate values for them
1395   // automatically when they are not explicitly defined.
1396   assert(!IO.outputting() ||
1397          (!Section.ShOffset && !Section.ShSize && !Section.ShName &&
1398           !Section.ShFlags && !Section.ShType && !Section.ShAddrAlign));
1399   IO.mapOptional("ShAddrAlign", Section.ShAddrAlign);
1400   IO.mapOptional("ShName", Section.ShName);
1401   IO.mapOptional("ShOffset", Section.ShOffset);
1402   IO.mapOptional("ShSize", Section.ShSize);
1403   IO.mapOptional("ShFlags", Section.ShFlags);
1404   IO.mapOptional("ShType", Section.ShType);
1405 }
1406
1407 static void sectionMapping(IO &IO, ELFYAML::DynamicSection &Section) {
1408   commonSectionMapping(IO, Section);
1409   IO.mapOptional("Entries", Section.Entries);
1410 }
1411
1412 static void sectionMapping(IO &IO, ELFYAML::RawContentSection &Section) {
1413   commonSectionMapping(IO, Section);
1414
1415   // We also support reading a content as array of bytes using the ContentArray
1416   // key. obj2yaml never prints this field.
1417   assert(!IO.outputting() || !Section.ContentBuf);
1418   IO.mapOptional("ContentArray", Section.ContentBuf);
1419   if (Section.ContentBuf) {
1420     if (Section.Content)
1421       IO.setError("Content and ContentArray can't be used together");
1422     Section.Content = yaml::BinaryRef(*Section.ContentBuf);
1423   }
1424
1425   IO.mapOptional("Info", Section.Info);
1426 }
1427
1428 static void sectionMapping(IO &IO, ELFYAML::BBAddrMapSection &Section) {
1429   commonSectionMapping(IO, Section);
1430   IO.mapOptional("Content", Section.Content);
1431   IO.mapOptional("Entries", Section.Entries);
1432   IO.mapOptional("PGOAnalyses", Section.PGOAnalyses);
1433 }
1434
1435 static void sectionMapping(IO &IO, ELFYAML::StackSizesSection &Section) {
1436   commonSectionMapping(IO, Section);
1437   IO.mapOptional("Entries", Section.Entries);
1438 }
1439
1440 static void sectionMapping(IO &IO, ELFYAML::HashSection &Section) {
1441   commonSectionMapping(IO, Section);
1442   IO.mapOptional("Bucket", Section.Bucket);
1443   IO.mapOptional("Chain", Section.Chain);
1444
1445   // obj2yaml does not dump these fields. They can be used to override nchain
1446   // and nbucket values for creating broken sections.
1447   assert(!IO.outputting() || (!Section.NBucket && !Section.NChain));
1448   IO.mapOptional("NChain", Section.NChain);
1449   IO.mapOptional("NBucket", Section.NBucket);
1450 }
1451
1452 static void sectionMapping(IO &IO, ELFYAML::NoteSection &Section) {
1453   commonSectionMapping(IO, Section);
1454   IO.mapOptional("Notes", Section.Notes);
1455 }
1456
1457
1458 static void sectionMapping(IO &IO, ELFYAML::GnuHashSection &Section) {
1459   commonSectionMapping(IO, Section);
1460   IO.mapOptional("Header", Section.Header);
1461   IO.mapOptional("BloomFilter", Section.BloomFilter);
1462   IO.mapOptional("HashBuckets", Section.HashBuckets);
1463   IO.mapOptional("HashValues", Section.HashValues);
1464 }
1465 static void sectionMapping(IO &IO, ELFYAML::NoBitsSection &Section) {
1466   commonSectionMapping(IO, Section);
1467 }
1468
1469 static void sectionMapping(IO &IO, ELFYAML::VerdefSection &Section) {
1470   commonSectionMapping(IO, Section);
1471   IO.mapOptional("Info", Section.Info);
1472   IO.mapOptional("Entries", Section.Entries);
1473 }
1474
1475 static void sectionMapping(IO &IO, ELFYAML::SymverSection &Section) {
1476   commonSectionMapping(IO, Section);
1477   IO.mapOptional("Entries", Section.Entries);
1478 }
1479
1480 static void sectionMapping(IO &IO, ELFYAML::VerneedSection &Section) {
1481   commonSectionMapping(IO, Section);
1482   IO.mapOptional("Info", Section.Info);
1483   IO.mapOptional("Dependencies", Section.VerneedV);
1484 }
1485
1486 static void sectionMapping(IO &IO, ELFYAML::RelocationSection &Section) {
1487   commonSectionMapping(IO, Section);
1488   IO.mapOptional("Info", Section.RelocatableSec, StringRef());
1489   IO.mapOptional("Relocations", Section.Relocations);
1490 }
1491
1492 static void sectionMapping(IO &IO, ELFYAML::RelrSection &Section) {
1493   commonSectionMapping(IO, Section);
1494   IO.mapOptional("Entries", Section.Entries);
1495 }
1496
1497 static void groupSectionMapping(IO &IO, ELFYAML::GroupSection &Group) {
1498   commonSectionMapping(IO, Group);
1499   IO.mapOptional("Info", Group.Signature);
1500   IO.mapOptional("Members", Group.Members);
1501 }
1502
1503 static void sectionMapping(IO &IO, ELFYAML::SymtabShndxSection &Section) {
1504   commonSectionMapping(IO, Section);
1505   IO.mapOptional("Entries", Section.Entries);
1506 }
1507
1508 static void sectionMapping(IO &IO, ELFYAML::AddrsigSection &Section) {
1509   commonSectionMapping(IO, Section);
1510   IO.mapOptional("Symbols", Section.Symbols);
1511 }
1512
1513 static void fillMapping(IO &IO, ELFYAML::Fill &Fill) {
1514   IO.mapOptional("Name", Fill.Name, StringRef());
1515   IO.mapOptional("Pattern", Fill.Pattern);
1516   IO.mapOptional("Offset", Fill.Offset);
1517   IO.mapRequired("Size", Fill.Size);
1518 }
1519
1520 static void sectionHeaderTableMapping(IO &IO,
1521                                       ELFYAML::SectionHeaderTable &SHT) {
1522   IO.mapOptional("Offset", SHT.Offset);
1523   IO.mapOptional("Sections", SHT.Sections);
1524   IO.mapOptional("Excluded", SHT.Excluded);
1525   IO.mapOptional("NoHeaders", SHT.NoHeaders);
1526 }
1527
1528 static void sectionMapping(IO &IO, ELFYAML::LinkerOptionsSection &Section) {
1529   commonSectionMapping(IO, Section);
1530   IO.mapOptional("Options", Section.Options);
1531 }
1532
1533 static void sectionMapping(IO &IO,
1534                            ELFYAML::DependentLibrariesSection &Section) {
1535   commonSectionMapping(IO, Section);
1536   IO.mapOptional("Libraries", Section.Libs);
1537 }
1538
1539 static void sectionMapping(IO &IO, ELFYAML::CallGraphProfileSection &Section) {
1540   commonSectionMapping(IO, Section);
1541   IO.mapOptional("Entries", Section.Entries);
1542 }
1543
1544 void MappingTraits<ELFYAML::SectionOrType>::mapping(
1545     IO &IO, ELFYAML::SectionOrType &sectionOrType) {
1546   IO.mapRequired("SectionOrType", sectionOrType.sectionNameOrType);
1547 }
1548
1549 static void sectionMapping(IO &IO, ELFYAML::ARMIndexTableSection &Section) {
1550   commonSectionMapping(IO, Section);
1551   IO.mapOptional("Entries", Section.Entries);
1552 }
1553
1554 static void sectionMapping(IO &IO, ELFYAML::MipsABIFlags &Section) {
1555   commonSectionMapping(IO, Section);
1556   IO.mapOptional("Version", Section.Version, Hex16(0));
1557   IO.mapRequired("ISA", Section.ISALevel);
1558   IO.mapOptional("ISARevision", Section.ISARevision, Hex8(0));
1559   IO.mapOptional("ISAExtension", Section.ISAExtension,
1560                  ELFYAML::MIPS_AFL_EXT(Mips::AFL_EXT_NONE));
1561   IO.mapOptional("ASEs", Section.ASEs, ELFYAML::MIPS_AFL_ASE(0));
1562   IO.mapOptional("FpABI", Section.FpABI,
1563                  ELFYAML::MIPS_ABI_FP(Mips::Val_GNU_MIPS_ABI_FP_ANY));
1564   IO.mapOptional("GPRSize", Section.GPRSize,
1565                  ELFYAML::MIPS_AFL_REG(Mips::AFL_REG_NONE));
1566   IO.mapOptional("CPR1Size", Section.CPR1Size,
1567                  ELFYAML::MIPS_AFL_REG(Mips::AFL_REG_NONE));
1568   IO.mapOptional("CPR2Size", Section.CPR2Size,
1569                  ELFYAML::MIPS_AFL_REG(Mips::AFL_REG_NONE));
1570   IO.mapOptional("Flags1", Section.Flags1, ELFYAML::MIPS_AFL_FLAGS1(0));
1571   IO.mapOptional("Flags2", Section.Flags2, Hex32(0));
1572 }
1573
1574 static StringRef getStringValue(IO &IO, const char *Key) {
1575   StringRef Val;
1576   IO.mapRequired(Key, Val);
1577   return Val;
1578 }
1579
1580 static void setStringValue(IO &IO, const char *Key, StringRef Val) {
1581   IO.mapRequired(Key, Val);
1582 }
1583
1584 static bool isInteger(StringRef Val) {
1585   APInt Tmp;
1586   return !Val.getAsInteger(0, Tmp);
1587 }
1588
1589 void MappingTraits<std::unique_ptr<ELFYAML::Chunk>>::mapping(
1590     IO &IO, std::unique_ptr<ELFYAML::Chunk> &Section) {
1591   ELFYAML::ELF_SHT Type = ELF::SHT_NULL;
1592   StringRef TypeStr;
1593   if (IO.outputting()) {
1594     if (auto *S = dyn_cast<ELFYAML::Section>(Section.get()))
1595       Type = S->Type;
1596     else if (auto *SHT = dyn_cast<ELFYAML::SectionHeaderTable>(Section.get()))
1597       TypeStr = SHT->TypeStr;
1598   } else {
1599     // When the Type string does not have a "SHT_" prefix, we know it is not a
1600     // description of a regular ELF output section.
1601     TypeStr = getStringValue(IO, "Type");
1602     if (TypeStr.starts_with("SHT_") || isInteger(TypeStr))
1603       IO.mapRequired("Type", Type);
1604   }
1605
1606   if (TypeStr == "Fill") {
1607     assert(!IO.outputting()); // We don't dump fills currently.
1608     Section.reset(new ELFYAML::Fill());
1609     fillMapping(IO, *cast<ELFYAML::Fill>(Section.get()));
1610     return;
1611   }
1612
1613   if (TypeStr == ELFYAML::SectionHeaderTable::TypeStr) {
1614     if (IO.outputting())
1615       setStringValue(IO, "Type", TypeStr);
1616     else
1617       Section.reset(new ELFYAML::SectionHeaderTable(/*IsImplicit=*/false));
1618
1619     sectionHeaderTableMapping(
1620         IO, *cast<ELFYAML::SectionHeaderTable>(Section.get()));
1621     return;
1622   }
1623
1624   const auto &Obj = *static_cast<ELFYAML::Object *>(IO.getContext());
1625   if (Obj.getMachine() == ELF::EM_MIPS && Type == ELF::SHT_MIPS_ABIFLAGS) {
1626     if (!IO.outputting())
1627       Section.reset(new ELFYAML::MipsABIFlags());
1628     sectionMapping(IO, *cast<ELFYAML::MipsABIFlags>(Section.get()));
1629     return;
1630   }
1631
1632   if (Obj.getMachine() == ELF::EM_ARM && Type == ELF::SHT_ARM_EXIDX) {
1633     if (!IO.outputting())
1634       Section.reset(new ELFYAML::ARMIndexTableSection());
1635     sectionMapping(IO, *cast<ELFYAML::ARMIndexTableSection>(Section.get()));
1636     return;
1637   }
1638
1639   switch (Type) {
1640   case ELF::SHT_DYNAMIC:
1641     if (!IO.outputting())
1642       Section.reset(new ELFYAML::DynamicSection());
1643     sectionMapping(IO, *cast<ELFYAML::DynamicSection>(Section.get()));
1644     break;
1645   case ELF::SHT_REL:
1646   case ELF::SHT_RELA:
1647   case ELF::SHT_CREL:
1648     if (!IO.outputting())
1649       Section.reset(new ELFYAML::RelocationSection());
1650     sectionMapping(IO, *cast<ELFYAML::RelocationSection>(Section.get()));
1651     break;
1652   case ELF::SHT_RELR:
1653     if (!IO.outputting())
1654       Section.reset(new ELFYAML::RelrSection());
1655     sectionMapping(IO, *cast<ELFYAML::RelrSection>(Section.get()));
1656     break;
1657   case ELF::SHT_GROUP:
1658     if (!IO.outputting())
1659       Section.reset(new ELFYAML::GroupSection());
1660     groupSectionMapping(IO, *cast<ELFYAML::GroupSection>(Section.get()));
1661     break;
1662   case ELF::SHT_NOBITS:
1663     if (!IO.outputting())
1664       Section.reset(new ELFYAML::NoBitsSection());
1665     sectionMapping(IO, *cast<ELFYAML::NoBitsSection>(Section.get()));
1666     break;
1667   case ELF::SHT_HASH:
1668     if (!IO.outputting())
1669       Section.reset(new ELFYAML::HashSection());
1670     sectionMapping(IO, *cast<ELFYAML::HashSection>(Section.get()));
1671     break;
1672   case ELF::SHT_NOTE:
1673     if (!IO.outputting())
1674       Section.reset(new ELFYAML::NoteSection());
1675     sectionMapping(IO, *cast<ELFYAML::NoteSection>(Section.get()));
1676     break;
1677  case ELF::SHT_GNU_HASH:
1678     if (!IO.outputting())
1679       Section.reset(new ELFYAML::GnuHashSection());
1680     sectionMapping(IO, *cast<ELFYAML::GnuHashSection>(Section.get()));
1681     break;
1682   case ELF::SHT_GNU_verdef:
1683     if (!IO.outputting())
1684       Section.reset(new ELFYAML::VerdefSection());
1685     sectionMapping(IO, *cast<ELFYAML::VerdefSection>(Section.get()));
1686     break;
1687   case ELF::SHT_GNU_versym:
1688     if (!IO.outputting())
1689       Section.reset(new ELFYAML::SymverSection());
1690     sectionMapping(IO, *cast<ELFYAML::SymverSection>(Section.get()));
1691     break;
1692   case ELF::SHT_GNU_verneed:
1693     if (!IO.outputting())
1694       Section.reset(new ELFYAML::VerneedSection());
1695     sectionMapping(IO, *cast<ELFYAML::VerneedSection>(Section.get()));
1696     break;
1697   case ELF::SHT_SYMTAB_SHNDX:
1698     if (!IO.outputting())
1699       Section.reset(new ELFYAML::SymtabShndxSection());
1700     sectionMapping(IO, *cast<ELFYAML::SymtabShndxSection>(Section.get()));
1701     break;
1702   case ELF::SHT_LLVM_ADDRSIG:
1703     if (!IO.outputting())
1704       Section.reset(new ELFYAML::AddrsigSection());
1705     sectionMapping(IO, *cast<ELFYAML::AddrsigSection>(Section.get()));
1706     break;
1707   case ELF::SHT_LLVM_LINKER_OPTIONS:
1708     if (!IO.outputting())
1709       Section.reset(new ELFYAML::LinkerOptionsSection());
1710     sectionMapping(IO, *cast<ELFYAML::LinkerOptionsSection>(Section.get()));
1711     break;
1712   case ELF::SHT_LLVM_DEPENDENT_LIBRARIES:
1713     if (!IO.outputting())
1714       Section.reset(new ELFYAML::DependentLibrariesSection());
1715     sectionMapping(IO,
1716                    *cast<ELFYAML::DependentLibrariesSection>(Section.get()));
1717     break;
1718   case ELF::SHT_LLVM_CALL_GRAPH_PROFILE:
1719     if (!IO.outputting())
1720       Section.reset(new ELFYAML::CallGraphProfileSection());
1721     sectionMapping(IO, *cast<ELFYAML::CallGraphProfileSection>(Section.get()));
1722     break;
1723   case ELF::SHT_LLVM_BB_ADDR_MAP:
1724     if (!IO.outputting())
1725       Section.reset(new ELFYAML::BBAddrMapSection());
1726     sectionMapping(IO, *cast<ELFYAML::BBAddrMapSection>(Section.get()));
1727     break;
1728   default:
1729     if (!IO.outputting()) {
1730       StringRef Name;
1731       IO.mapOptional("Name", Name, StringRef());
1732       Name = ELFYAML::dropUniqueSuffix(Name);
1733
1734       if (ELFYAML::StackSizesSection::nameMatches(Name))
1735         Section = std::make_unique<ELFYAML::StackSizesSection>();
1736       else
1737         Section = std::make_unique<ELFYAML::RawContentSection>();
1738     }
1739
1740     if (auto S = dyn_cast<ELFYAML::RawContentSection>(Section.get()))
1741       sectionMapping(IO, *S);
1742     else
1743       sectionMapping(IO, *cast<ELFYAML::StackSizesSection>(Section.get()));
1744   }
1745 }
1746
1747 std::string MappingTraits<std::unique_ptr<ELFYAML::Chunk>>::validate(
1748     IO &io, std::unique_ptr<ELFYAML::Chunk> &C) {
1749   if (const auto *F = dyn_cast<ELFYAML::Fill>(C.get())) {
1750     // Can't check the `Size`, as it's required and may be left uninitialized by
1751     // previous error.
1752     if (!io.error() && F->Pattern && F->Pattern->binary_size() != 0 && !F->Size)
1753       return "\"Size\" can't be 0 when \"Pattern\" is not empty";
1754     return "";
1755   }
1756
1757   if (const auto *SHT = dyn_cast<ELFYAML::SectionHeaderTable>(C.get())) {
1758     if (SHT->NoHeaders && (SHT->Sections || SHT->Excluded || SHT->Offset))
1759       return "NoHeaders can't be used together with Offset/Sections/Excluded";
1760     return "";
1761   }
1762
1763   const ELFYAML::Section &Sec = *cast<ELFYAML::Section>(C.get());
1764   if (Sec.Size && Sec.Content &&
1765       (uint64_t)(*Sec.Size) < Sec.Content->binary_size())
1766     return "Section size must be greater than or equal to the content size";
1767
1768   auto BuildErrPrefix = [](ArrayRef<std::pair<StringRef, bool>> EntV) {
1769     std::string Msg;
1770     for (size_t I = 0, E = EntV.size(); I != E; ++I) {
1771       StringRef Name = EntV[I].first;
1772       if (I == 0) {
1773         Msg = "\"" + Name.str() + "\"";
1774         continue;
1775       }
1776       if (I != EntV.size() - 1)
1777         Msg += ", \"" + Name.str() + "\"";
1778       else
1779         Msg += " and \"" + Name.str() + "\"";
1780     }
1781     return Msg;
1782   };
1783
1784   std::vector<std::pair<StringRef, bool>> Entries = Sec.getEntries();
1785   const size_t NumUsedEntries = llvm::count_if(
1786       Entries, [](const std::pair<StringRef, bool> &P) { return P.second; });
1787
1788   if ((Sec.Size || Sec.Content) && NumUsedEntries > 0)
1789     return BuildErrPrefix(Entries) +
1790            " cannot be used with \"Content\" or \"Size\"";
1791
1792   if (NumUsedEntries > 0 && Entries.size() != NumUsedEntries)
1793     return BuildErrPrefix(Entries) + " must be used together";
1794
1795   if (const auto *RawSection = dyn_cast<ELFYAML::RawContentSection>(C.get())) {
1796     if (RawSection->Flags && RawSection->ShFlags)
1797       return "ShFlags and Flags cannot be used together";
1798     return "";
1799   }
1800
1801   if (const auto *NB = dyn_cast<ELFYAML::NoBitsSection>(C.get())) {
1802     if (NB->Content)
1803       return "SHT_NOBITS section cannot have \"Content\"";
1804     return "";
1805   }
1806
1807   if (const auto *MF = dyn_cast<ELFYAML::MipsABIFlags>(C.get())) {
1808     if (MF->Content)
1809       return "\"Content\" key is not implemented for SHT_MIPS_ABIFLAGS "
1810              "sections";
1811     if (MF->Size)
1812       return "\"Size\" key is not implemented for SHT_MIPS_ABIFLAGS sections";
1813     return "";
1814   }
1815
1816   return "";
1817 }
1818
1819 namespace {
1820
1821 struct NormalizedMips64RelType {
1822   NormalizedMips64RelType(IO &)
1823       : Type(ELFYAML::ELF_REL(ELF::R_MIPS_NONE)),
1824         Type2(ELFYAML::ELF_REL(ELF::R_MIPS_NONE)),
1825         Type3(ELFYAML::ELF_REL(ELF::R_MIPS_NONE)),
1826         SpecSym(ELFYAML::ELF_REL(ELF::RSS_UNDEF)) {}
1827   NormalizedMips64RelType(IO &, ELFYAML::ELF_REL Original)
1828       : Type(Original & 0xFF), Type2(Original >> 8 & 0xFF),
1829         Type3(Original >> 16 & 0xFF), SpecSym(Original >> 24 & 0xFF) {}
1830
1831   ELFYAML::ELF_REL denormalize(IO &) {
1832     ELFYAML::ELF_REL Res = Type | Type2 << 8 | Type3 << 16 | SpecSym << 24;
1833     return Res;
1834   }
1835
1836   ELFYAML::ELF_REL Type;
1837   ELFYAML::ELF_REL Type2;
1838   ELFYAML::ELF_REL Type3;
1839   ELFYAML::ELF_RSS SpecSym;
1840 };
1841
1842 } // end anonymous namespace
1843
1844 void MappingTraits<ELFYAML::StackSizeEntry>::mapping(
1845     IO &IO, ELFYAML::StackSizeEntry &E) {
1846   assert(IO.getContext() && "The IO context is not initialized");
1847   IO.mapOptional("Address", E.Address, Hex64(0));
1848   IO.mapRequired("Size", E.Size);
1849 }
1850
1851 void MappingTraits<ELFYAML::BBAddrMapEntry>::mapping(
1852     IO &IO, ELFYAML::BBAddrMapEntry &E) {
1853   assert(IO.getContext() && "The IO context is not initialized");
1854   IO.mapRequired("Version", E.Version);
1855   IO.mapOptional("Feature", E.Feature, Hex8(0));
1856   IO.mapOptional("NumBBRanges", E.NumBBRanges);
1857   IO.mapOptional("BBRanges", E.BBRanges);
1858 }
1859
1860 void MappingTraits<ELFYAML::BBAddrMapEntry::BBRangeEntry>::mapping(
1861     IO &IO, ELFYAML::BBAddrMapEntry::BBRangeEntry &E) {
1862   IO.mapOptional("BaseAddress", E.BaseAddress, Hex64(0));
1863   IO.mapOptional("NumBlocks", E.NumBlocks);
1864   IO.mapOptional("BBEntries", E.BBEntries);
1865 }
1866
1867 void MappingTraits<ELFYAML::BBAddrMapEntry::BBEntry>::mapping(
1868     IO &IO, ELFYAML::BBAddrMapEntry::BBEntry &E) {
1869   assert(IO.getContext() && "The IO context is not initialized");
1870   IO.mapOptional("ID", E.ID);
1871   IO.mapRequired("AddressOffset", E.AddressOffset);
1872   IO.mapRequired("Size", E.Size);
1873   IO.mapRequired("Metadata", E.Metadata);
1874 }
1875
1876 void MappingTraits<ELFYAML::PGOAnalysisMapEntry>::mapping(
1877     IO &IO, ELFYAML::PGOAnalysisMapEntry &E) {
1878   assert(IO.getContext() && "The IO context is not initialized");
1879   IO.mapOptional("FuncEntryCount", E.FuncEntryCount);
1880   IO.mapOptional("PGOBBEntries", E.PGOBBEntries);
1881 }
1882
1883 void MappingTraits<ELFYAML::PGOAnalysisMapEntry::PGOBBEntry>::mapping(
1884     IO &IO, ELFYAML::PGOAnalysisMapEntry::PGOBBEntry &E) {
1885   assert(IO.getContext() && "The IO context is not initialized");
1886   IO.mapOptional("BBFreq", E.BBFreq);
1887   IO.mapOptional("Successors", E.Successors);
1888 }
1889
1890 void MappingTraits<ELFYAML::PGOAnalysisMapEntry::PGOBBEntry::SuccessorEntry>::
1891     mapping(IO &IO,
1892             ELFYAML::PGOAnalysisMapEntry::PGOBBEntry::SuccessorEntry &E) {
1893   assert(IO.getContext() && "The IO context is not initialized");
1894   IO.mapRequired("ID", E.ID);
1895   IO.mapRequired("BrProb", E.BrProb);
1896 }
1897
1898 void MappingTraits<ELFYAML::GnuHashHeader>::mapping(IO &IO,
1899                                                     ELFYAML::GnuHashHeader &E) {
1900   assert(IO.getContext() && "The IO context is not initialized");
1901   IO.mapOptional("NBuckets", E.NBuckets);
1902   IO.mapRequired("SymNdx", E.SymNdx);
1903   IO.mapOptional("MaskWords", E.MaskWords);
1904   IO.mapRequired("Shift2", E.Shift2);
1905 }
1906
1907 void MappingTraits<ELFYAML::DynamicEntry>::mapping(IO &IO,
1908                                                    ELFYAML::DynamicEntry &Rel) {
1909   assert(IO.getContext() && "The IO context is not initialized");
1910
1911   IO.mapRequired("Tag", Rel.Tag);
1912   IO.mapRequired("Value", Rel.Val);
1913 }
1914
1915 void MappingTraits<ELFYAML::NoteEntry>::mapping(IO &IO, ELFYAML::NoteEntry &N) {
1916   assert(IO.getContext() && "The IO context is not initialized");
1917
1918   IO.mapOptional("Name", N.Name);
1919   IO.mapOptional("Desc", N.Desc);
1920   IO.mapRequired("Type", N.Type);
1921 }
1922
1923 void MappingTraits<ELFYAML::VerdefEntry>::mapping(IO &IO,
1924                                                   ELFYAML::VerdefEntry &E) {
1925   assert(IO.getContext() && "The IO context is not initialized");
1926
1927   IO.mapOptional("Version", E.Version);
1928   IO.mapOptional("Flags", E.Flags);
1929   IO.mapOptional("VersionNdx", E.VersionNdx);
1930   IO.mapOptional("Hash", E.Hash);
1931   IO.mapOptional("VDAux", E.VDAux);
1932   IO.mapRequired("Names", E.VerNames);
1933 }
1934
1935 void MappingTraits<ELFYAML::VerneedEntry>::mapping(IO &IO,
1936                                                    ELFYAML::VerneedEntry &E) {
1937   assert(IO.getContext() && "The IO context is not initialized");
1938
1939   IO.mapRequired("Version", E.Version);
1940   IO.mapRequired("File", E.File);
1941   IO.mapRequired("Entries", E.AuxV);
1942 }
1943
1944 void MappingTraits<ELFYAML::VernauxEntry>::mapping(IO &IO,
1945                                                    ELFYAML::VernauxEntry &E) {
1946   assert(IO.getContext() && "The IO context is not initialized");
1947
1948   IO.mapRequired("Name", E.Name);
1949   IO.mapRequired("Hash", E.Hash);
1950   IO.mapRequired("Flags", E.Flags);
1951   IO.mapRequired("Other", E.Other);
1952 }
1953
1954 void MappingTraits<ELFYAML::Relocation>::mapping(IO &IO,
1955                                                  ELFYAML::Relocation &Rel) {
1956   const auto *Object = static_cast<ELFYAML::Object *>(IO.getContext());
1957   assert(Object && "The IO context is not initialized");
1958
1959   IO.mapOptional("Offset", Rel.Offset, (Hex64)0);
1960   IO.mapOptional("Symbol", Rel.Symbol);
1961
1962   if (Object->getMachine() == ELFYAML::ELF_EM(ELF::EM_MIPS) &&
1963       Object->Header.Class == ELFYAML::ELF_ELFCLASS(ELF::ELFCLASS64)) {
1964     MappingNormalization<NormalizedMips64RelType, ELFYAML::ELF_REL> Key(
1965         IO, Rel.Type);
1966     IO.mapRequired("Type", Key->Type);
1967     IO.mapOptional("Type2", Key->Type2, ELFYAML::ELF_REL(ELF::R_MIPS_NONE));
1968     IO.mapOptional("Type3", Key->Type3, ELFYAML::ELF_REL(ELF::R_MIPS_NONE));
1969     IO.mapOptional("SpecSym", Key->SpecSym, ELFYAML::ELF_RSS(ELF::RSS_UNDEF));
1970   } else
1971     IO.mapRequired("Type", Rel.Type);
1972
1973   IO.mapOptional("Addend", Rel.Addend, (ELFYAML::YAMLIntUInt)0);
1974 }
1975
1976 void MappingTraits<ELFYAML::ARMIndexTableEntry>::mapping(
1977     IO &IO, ELFYAML::ARMIndexTableEntry &E) {
1978   assert(IO.getContext() && "The IO context is not initialized");
1979   IO.mapRequired("Offset", E.Offset);
1980
1981   StringRef CantUnwind = "EXIDX_CANTUNWIND";
1982   if (IO.outputting() && (uint32_t)E.Value == ARM::EHABI::EXIDX_CANTUNWIND)
1983     IO.mapRequired("Value", CantUnwind);
1984   else if (!IO.outputting() && getStringValue(IO, "Value") == CantUnwind)
1985     E.Value = ARM::EHABI::EXIDX_CANTUNWIND;
1986   else
1987     IO.mapRequired("Value", E.Value);
1988 }
1989
1990 void MappingTraits<ELFYAML::Object>::mapping(IO &IO, ELFYAML::Object &Object) {
1991   assert(!IO.getContext() && "The IO context is initialized already");
1992   IO.setContext(&Object);
1993   IO.mapTag("!ELF", true);
1994   IO.mapRequired("FileHeader", Object.Header);
1995   IO.mapOptional("ProgramHeaders", Object.ProgramHeaders);
1996   IO.mapOptional("Sections", Object.Chunks);
1997   IO.mapOptional("Symbols", Object.Symbols);
1998   IO.mapOptional("DynamicSymbols", Object.DynamicSymbols);
1999   IO.mapOptional("DWARF", Object.DWARF);
2000   if (Object.DWARF) {
2001     Object.DWARF->IsLittleEndian =
2002         Object.Header.Data == ELFYAML::ELF_ELFDATA(ELF::ELFDATA2LSB);
2003     Object.DWARF->Is64BitAddrSize =
2004         Object.Header.Class == ELFYAML::ELF_ELFCLASS(ELF::ELFCLASS64);
2005   }
2006   IO.setContext(nullptr);
2007 }
2008
2009 void MappingTraits<ELFYAML::LinkerOption>::mapping(IO &IO,
2010                                                    ELFYAML::LinkerOption &Opt) {
2011   assert(IO.getContext() && "The IO context is not initialized");
2012   IO.mapRequired("Name", Opt.Key);
2013   IO.mapRequired("Value", Opt.Value);
2014 }
2015
2016 void MappingTraits<ELFYAML::CallGraphEntryWeight>::mapping(
2017     IO &IO, ELFYAML::CallGraphEntryWeight &E) {
2018   assert(IO.getContext() && "The IO context is not initialized");
2019   IO.mapRequired("Weight", E.Weight);
2020 }
2021
2022 LLVM_YAML_STRONG_TYPEDEF(uint8_t, MIPS_AFL_REG)
2023 LLVM_YAML_STRONG_TYPEDEF(uint8_t, MIPS_ABI_FP)
2024 LLVM_YAML_STRONG_TYPEDEF(uint32_t, MIPS_AFL_EXT)
2025 LLVM_YAML_STRONG_TYPEDEF(uint32_t, MIPS_AFL_ASE)
2026 LLVM_YAML_STRONG_TYPEDEF(uint32_t, MIPS_AFL_FLAGS1)
2027
2028 } // end namespace yaml
2029
2030 } // end namespace llvm