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/StringRef.h"
  15 #include "llvm/BinaryFormat/ELF.h"
  16 #include "llvm/Support/Casting.h"
  17 #include "llvm/Support/ErrorHandling.h"
  18 #include "llvm/Support/MipsABIFlags.h"
  19 #include "llvm/Support/YAMLTraits.h"
  20 #include <cassert>
  21 #include <cstdint>
  22
  23 namespace llvm {
  24
  25 ELFYAML::Section::~Section() = default;
  26
  27 namespace yaml {
  28
  29 void ScalarEnumerationTraits<ELFYAML::ELF_ET>::enumeration(
  30     IO &IO, ELFYAML::ELF_ET &Value) {
  31 #define ECase(X) IO.enumCase(Value, #X, ELF::X)
  32   ECase(ET_NONE);
  33   ECase(ET_REL);
  34   ECase(ET_EXEC);
  35   ECase(ET_DYN);
  36   ECase(ET_CORE);
  37 #undef ECase
  38   IO.enumFallback<Hex16>(Value);
  39 }
  40
  41 void ScalarEnumerationTraits<ELFYAML::ELF_PT>::enumeration(
  42     IO &IO, ELFYAML::ELF_PT &Value) {
  43 #define ECase(X) IO.enumCase(Value, #X, ELF::X)
  44   ECase(PT_NULL);
  45   ECase(PT_LOAD);
  46   ECase(PT_DYNAMIC);
  47   ECase(PT_INTERP);
  48   ECase(PT_NOTE);
  49   ECase(PT_SHLIB);
  50   ECase(PT_PHDR);
  51   ECase(PT_TLS);
  52   ECase(PT_GNU_EH_FRAME);
  53 #undef ECase
  54   IO.enumFallback<Hex32>(Value);
  55 }
  56
  57 void ScalarEnumerationTraits<ELFYAML::ELF_EM>::enumeration(
  58     IO &IO, ELFYAML::ELF_EM &Value) {
  59 #define ECase(X) IO.enumCase(Value, #X, ELF::X)
  60   ECase(EM_NONE);
  61   ECase(EM_M32);
  62   ECase(EM_SPARC);
  63   ECase(EM_386);
  64   ECase(EM_68K);
  65   ECase(EM_88K);
  66   ECase(EM_IAMCU);
  67   ECase(EM_860);
  68   ECase(EM_MIPS);
  69   ECase(EM_S370);
  70   ECase(EM_MIPS_RS3_LE);
  71   ECase(EM_PARISC);
  72   ECase(EM_VPP500);
  73   ECase(EM_SPARC32PLUS);
  74   ECase(EM_960);
  75   ECase(EM_PPC);
  76   ECase(EM_PPC64);
  77   ECase(EM_S390);
  78   ECase(EM_SPU);
  79   ECase(EM_V800);
  80   ECase(EM_FR20);
  81   ECase(EM_RH32);
  82   ECase(EM_RCE);
  83   ECase(EM_ARM);
  84   ECase(EM_ALPHA);
  85   ECase(EM_SH);
  86   ECase(EM_SPARCV9);
  87   ECase(EM_TRICORE);
  88   ECase(EM_ARC);
  89   ECase(EM_H8_300);
  90   ECase(EM_H8_300H);
  91   ECase(EM_H8S);
  92   ECase(EM_H8_500);
  93   ECase(EM_IA_64);
  94   ECase(EM_MIPS_X);
  95   ECase(EM_COLDFIRE);
  96   ECase(EM_68HC12);
  97   ECase(EM_MMA);
  98   ECase(EM_PCP);
  99   ECase(EM_NCPU);
 100   ECase(EM_NDR1);
 101   ECase(EM_STARCORE);
 102   ECase(EM_ME16);
 103   ECase(EM_ST100);
 104   ECase(EM_TINYJ);
 105   ECase(EM_X86_64);
 106   ECase(EM_PDSP);
 107   ECase(EM_PDP10);
 108   ECase(EM_PDP11);
 109   ECase(EM_FX66);
 110   ECase(EM_ST9PLUS);
 111   ECase(EM_ST7);
 112   ECase(EM_68HC16);
 113   ECase(EM_68HC11);
 114   ECase(EM_68HC08);
 115   ECase(EM_68HC05);
 116   ECase(EM_SVX);
 117   ECase(EM_ST19);
 118   ECase(EM_VAX);
 119   ECase(EM_CRIS);
 120   ECase(EM_JAVELIN);
 121   ECase(EM_FIREPATH);
 122   ECase(EM_ZSP);
 123   ECase(EM_MMIX);
 124   ECase(EM_HUANY);
 125   ECase(EM_PRISM);
 126   ECase(EM_AVR);
 127   ECase(EM_FR30);
 128   ECase(EM_D10V);
 129   ECase(EM_D30V);
 130   ECase(EM_V850);
 131   ECase(EM_M32R);
 132   ECase(EM_MN10300);
 133   ECase(EM_MN10200);
 134   ECase(EM_PJ);
 135   ECase(EM_OPENRISC);
 136   ECase(EM_ARC_COMPACT);
 137   ECase(EM_XTENSA);
 138   ECase(EM_VIDEOCORE);
 139   ECase(EM_TMM_GPP);
 140   ECase(EM_NS32K);
 141   ECase(EM_TPC);
 142   ECase(EM_SNP1K);
 143   ECase(EM_ST200);
 144   ECase(EM_IP2K);
 145   ECase(EM_MAX);
 146   ECase(EM_CR);
 147   ECase(EM_F2MC16);
 148   ECase(EM_MSP430);
 149   ECase(EM_BLACKFIN);
 150   ECase(EM_SE_C33);
 151   ECase(EM_SEP);
 152   ECase(EM_ARCA);
 153   ECase(EM_UNICORE);
 154   ECase(EM_EXCESS);
 155   ECase(EM_DXP);
 156   ECase(EM_ALTERA_NIOS2);
 157   ECase(EM_CRX);
 158   ECase(EM_XGATE);
 159   ECase(EM_C166);
 160   ECase(EM_M16C);
 161   ECase(EM_DSPIC30F);
 162   ECase(EM_CE);
 163   ECase(EM_M32C);
 164   ECase(EM_TSK3000);
 165   ECase(EM_RS08);
 166   ECase(EM_SHARC);
 167   ECase(EM_ECOG2);
 168   ECase(EM_SCORE7);
 169   ECase(EM_DSP24);
 170   ECase(EM_VIDEOCORE3);
 171   ECase(EM_LATTICEMICO32);
 172   ECase(EM_SE_C17);
 173   ECase(EM_TI_C6000);
 174   ECase(EM_TI_C2000);
 175   ECase(EM_TI_C5500);
 176   ECase(EM_MMDSP_PLUS);
 177   ECase(EM_CYPRESS_M8C);
 178   ECase(EM_R32C);
 179   ECase(EM_TRIMEDIA);
 180   ECase(EM_HEXAGON);
 181   ECase(EM_8051);
 182   ECase(EM_STXP7X);
 183   ECase(EM_NDS32);
 184   ECase(EM_ECOG1);
 185   ECase(EM_ECOG1X);
 186   ECase(EM_MAXQ30);
 187   ECase(EM_XIMO16);
 188   ECase(EM_MANIK);
 189   ECase(EM_CRAYNV2);
 190   ECase(EM_RX);
 191   ECase(EM_METAG);
 192   ECase(EM_MCST_ELBRUS);
 193   ECase(EM_ECOG16);
 194   ECase(EM_CR16);
 195   ECase(EM_ETPU);
 196   ECase(EM_SLE9X);
 197   ECase(EM_L10M);
 198   ECase(EM_K10M);
 199   ECase(EM_AARCH64);
 200   ECase(EM_AVR32);
 201   ECase(EM_STM8);
 202   ECase(EM_TILE64);
 203   ECase(EM_TILEPRO);
 204   ECase(EM_CUDA);
 205   ECase(EM_TILEGX);
 206   ECase(EM_CLOUDSHIELD);
 207   ECase(EM_COREA_1ST);
 208   ECase(EM_COREA_2ND);
 209   ECase(EM_ARC_COMPACT2);
 210   ECase(EM_OPEN8);
 211   ECase(EM_RL78);
 212   ECase(EM_VIDEOCORE5);
 213   ECase(EM_78KOR);
 214   ECase(EM_56800EX);
 215   ECase(EM_AMDGPU);
 216   ECase(EM_RISCV);
 217   ECase(EM_LANAI);
 218   ECase(EM_BPF);
 219 #undef ECase
 220 }
 221
 222 void ScalarEnumerationTraits<ELFYAML::ELF_ELFCLASS>::enumeration(
 223     IO &IO, ELFYAML::ELF_ELFCLASS &Value) {
 224 #define ECase(X) IO.enumCase(Value, #X, ELF::X)
 225   // Since the semantics of ELFCLASSNONE is "invalid", just don't accept it
 226   // here.
 227   ECase(ELFCLASS32);
 228   ECase(ELFCLASS64);
 229 #undef ECase
 230 }
 231
 232 void ScalarEnumerationTraits<ELFYAML::ELF_ELFDATA>::enumeration(
 233     IO &IO, ELFYAML::ELF_ELFDATA &Value) {
 234 #define ECase(X) IO.enumCase(Value, #X, ELF::X)
 235   // ELFDATANONE is an invalid data encoding, but we accept it because
 236   // we want to be able to produce invalid binaries for the tests.
 237   ECase(ELFDATANONE);
 238   ECase(ELFDATA2LSB);
 239   ECase(ELFDATA2MSB);
 240 #undef ECase
 241 }
 242
 243 void ScalarEnumerationTraits<ELFYAML::ELF_ELFOSABI>::enumeration(
 244     IO &IO, ELFYAML::ELF_ELFOSABI &Value) {
 245 #define ECase(X) IO.enumCase(Value, #X, ELF::X)
 246   ECase(ELFOSABI_NONE);
 247   ECase(ELFOSABI_HPUX);
 248   ECase(ELFOSABI_NETBSD);
 249   ECase(ELFOSABI_GNU);
 250   ECase(ELFOSABI_HURD);
 251   ECase(ELFOSABI_SOLARIS);
 252   ECase(ELFOSABI_AIX);
 253   ECase(ELFOSABI_IRIX);
 254   ECase(ELFOSABI_FREEBSD);
 255   ECase(ELFOSABI_TRU64);
 256   ECase(ELFOSABI_MODESTO);
 257   ECase(ELFOSABI_OPENBSD);
 258   ECase(ELFOSABI_OPENVMS);
 259   ECase(ELFOSABI_NSK);
 260   ECase(ELFOSABI_AROS);
 261   ECase(ELFOSABI_FENIXOS);
 262   ECase(ELFOSABI_CLOUDABI);
 263   ECase(ELFOSABI_AMDGPU_HSA);
 264   ECase(ELFOSABI_AMDGPU_PAL);
 265   ECase(ELFOSABI_AMDGPU_MESA3D);
 266   ECase(ELFOSABI_ARM);
 267   ECase(ELFOSABI_C6000_ELFABI);
 268   ECase(ELFOSABI_C6000_LINUX);
 269   ECase(ELFOSABI_STANDALONE);
 270 #undef ECase
 271 }
 272
 273 void ScalarBitSetTraits<ELFYAML::ELF_EF>::bitset(IO &IO,
 274                                                  ELFYAML::ELF_EF &Value) {
 275   const auto *Object = static_cast<ELFYAML::Object *>(IO.getContext());
 276   assert(Object && "The IO context is not initialized");
 277 #define BCase(X) IO.bitSetCase(Value, #X, ELF::X)
 278 #define BCaseMask(X, M) IO.maskedBitSetCase(Value, #X, ELF::X, ELF::M)
 279   switch (Object->Header.Machine) {
 280   case ELF::EM_ARM:
 281     BCase(EF_ARM_SOFT_FLOAT);
 282     BCase(EF_ARM_VFP_FLOAT);
 283     BCaseMask(EF_ARM_EABI_UNKNOWN, EF_ARM_EABIMASK);
 284     BCaseMask(EF_ARM_EABI_VER1, EF_ARM_EABIMASK);
 285     BCaseMask(EF_ARM_EABI_VER2, EF_ARM_EABIMASK);
 286     BCaseMask(EF_ARM_EABI_VER3, EF_ARM_EABIMASK);
 287     BCaseMask(EF_ARM_EABI_VER4, EF_ARM_EABIMASK);
 288     BCaseMask(EF_ARM_EABI_VER5, EF_ARM_EABIMASK);
 289     break;
 290   case ELF::EM_MIPS:
 291     BCase(EF_MIPS_NOREORDER);
 292     BCase(EF_MIPS_PIC);
 293     BCase(EF_MIPS_CPIC);
 294     BCase(EF_MIPS_ABI2);
 295     BCase(EF_MIPS_32BITMODE);
 296     BCase(EF_MIPS_FP64);
 297     BCase(EF_MIPS_NAN2008);
 298     BCase(EF_MIPS_MICROMIPS);
 299     BCase(EF_MIPS_ARCH_ASE_M16);
 300     BCase(EF_MIPS_ARCH_ASE_MDMX);
 301     BCaseMask(EF_MIPS_ABI_O32, EF_MIPS_ABI);
 302     BCaseMask(EF_MIPS_ABI_O64, EF_MIPS_ABI);
 303     BCaseMask(EF_MIPS_ABI_EABI32, EF_MIPS_ABI);
 304     BCaseMask(EF_MIPS_ABI_EABI64, EF_MIPS_ABI);
 305     BCaseMask(EF_MIPS_MACH_3900, EF_MIPS_MACH);
 306     BCaseMask(EF_MIPS_MACH_4010, EF_MIPS_MACH);
 307     BCaseMask(EF_MIPS_MACH_4100, EF_MIPS_MACH);
 308     BCaseMask(EF_MIPS_MACH_4650, EF_MIPS_MACH);
 309     BCaseMask(EF_MIPS_MACH_4120, EF_MIPS_MACH);
 310     BCaseMask(EF_MIPS_MACH_4111, EF_MIPS_MACH);
 311     BCaseMask(EF_MIPS_MACH_SB1, EF_MIPS_MACH);
 312     BCaseMask(EF_MIPS_MACH_OCTEON, EF_MIPS_MACH);
 313     BCaseMask(EF_MIPS_MACH_XLR, EF_MIPS_MACH);
 314     BCaseMask(EF_MIPS_MACH_OCTEON2, EF_MIPS_MACH);
 315     BCaseMask(EF_MIPS_MACH_OCTEON3, EF_MIPS_MACH);
 316     BCaseMask(EF_MIPS_MACH_5400, EF_MIPS_MACH);
 317     BCaseMask(EF_MIPS_MACH_5900, EF_MIPS_MACH);
 318     BCaseMask(EF_MIPS_MACH_5500, EF_MIPS_MACH);
 319     BCaseMask(EF_MIPS_MACH_9000, EF_MIPS_MACH);
 320     BCaseMask(EF_MIPS_MACH_LS2E, EF_MIPS_MACH);
 321     BCaseMask(EF_MIPS_MACH_LS2F, EF_MIPS_MACH);
 322     BCaseMask(EF_MIPS_MACH_LS3A, EF_MIPS_MACH);
 323     BCaseMask(EF_MIPS_ARCH_1, EF_MIPS_ARCH);
 324     BCaseMask(EF_MIPS_ARCH_2, EF_MIPS_ARCH);
 325     BCaseMask(EF_MIPS_ARCH_3, EF_MIPS_ARCH);
 326     BCaseMask(EF_MIPS_ARCH_4, EF_MIPS_ARCH);
 327     BCaseMask(EF_MIPS_ARCH_5, EF_MIPS_ARCH);
 328     BCaseMask(EF_MIPS_ARCH_32, EF_MIPS_ARCH);
 329     BCaseMask(EF_MIPS_ARCH_64, EF_MIPS_ARCH);
 330     BCaseMask(EF_MIPS_ARCH_32R2, EF_MIPS_ARCH);
 331     BCaseMask(EF_MIPS_ARCH_64R2, EF_MIPS_ARCH);
 332     BCaseMask(EF_MIPS_ARCH_32R6, EF_MIPS_ARCH);
 333     BCaseMask(EF_MIPS_ARCH_64R6, EF_MIPS_ARCH);
 334     break;
 335   case ELF::EM_HEXAGON:
 336     BCase(EF_HEXAGON_MACH_V2);
 337     BCase(EF_HEXAGON_MACH_V3);
 338     BCase(EF_HEXAGON_MACH_V4);
 339     BCase(EF_HEXAGON_MACH_V5);
 340     BCase(EF_HEXAGON_MACH_V55);
 341     BCase(EF_HEXAGON_MACH_V60);
 342     BCase(EF_HEXAGON_MACH_V62);
 343     BCase(EF_HEXAGON_MACH_V65);
 344     BCase(EF_HEXAGON_ISA_V2);
 345     BCase(EF_HEXAGON_ISA_V3);
 346     BCase(EF_HEXAGON_ISA_V4);
 347     BCase(EF_HEXAGON_ISA_V5);
 348     BCase(EF_HEXAGON_ISA_V55);
 349     BCase(EF_HEXAGON_ISA_V60);
 350     BCase(EF_HEXAGON_ISA_V62);
 351     BCase(EF_HEXAGON_ISA_V65);
 352     break;
 353   case ELF::EM_AVR:
 354     BCase(EF_AVR_ARCH_AVR1);
 355     BCase(EF_AVR_ARCH_AVR2);
 356     BCase(EF_AVR_ARCH_AVR25);
 357     BCase(EF_AVR_ARCH_AVR3);
 358     BCase(EF_AVR_ARCH_AVR31);
 359     BCase(EF_AVR_ARCH_AVR35);
 360     BCase(EF_AVR_ARCH_AVR4);
 361     BCase(EF_AVR_ARCH_AVR51);
 362     BCase(EF_AVR_ARCH_AVR6);
 363     BCase(EF_AVR_ARCH_AVRTINY);
 364     BCase(EF_AVR_ARCH_XMEGA1);
 365     BCase(EF_AVR_ARCH_XMEGA2);
 366     BCase(EF_AVR_ARCH_XMEGA3);
 367     BCase(EF_AVR_ARCH_XMEGA4);
 368     BCase(EF_AVR_ARCH_XMEGA5);
 369     BCase(EF_AVR_ARCH_XMEGA6);
 370     BCase(EF_AVR_ARCH_XMEGA7);
 371     break;
 372   case ELF::EM_RISCV:
 373     BCase(EF_RISCV_RVC);
 374     BCaseMask(EF_RISCV_FLOAT_ABI_SOFT, EF_RISCV_FLOAT_ABI);
 375     BCaseMask(EF_RISCV_FLOAT_ABI_SINGLE, EF_RISCV_FLOAT_ABI);
 376     BCaseMask(EF_RISCV_FLOAT_ABI_DOUBLE, EF_RISCV_FLOAT_ABI);
 377     BCaseMask(EF_RISCV_FLOAT_ABI_QUAD, EF_RISCV_FLOAT_ABI);
 378     BCase(EF_RISCV_RVE);
 379     break;
 380   case ELF::EM_AMDGPU:
 381     BCaseMask(EF_AMDGPU_MACH_NONE, EF_AMDGPU_MACH);
 382     BCaseMask(EF_AMDGPU_MACH_R600_R600, EF_AMDGPU_MACH);
 383     BCaseMask(EF_AMDGPU_MACH_R600_R630, EF_AMDGPU_MACH);
 384     BCaseMask(EF_AMDGPU_MACH_R600_RS880, EF_AMDGPU_MACH);
 385     BCaseMask(EF_AMDGPU_MACH_R600_RV670, EF_AMDGPU_MACH);
 386     BCaseMask(EF_AMDGPU_MACH_R600_RV710, EF_AMDGPU_MACH);
 387     BCaseMask(EF_AMDGPU_MACH_R600_RV730, EF_AMDGPU_MACH);
 388     BCaseMask(EF_AMDGPU_MACH_R600_RV770, EF_AMDGPU_MACH);
 389     BCaseMask(EF_AMDGPU_MACH_R600_CEDAR, EF_AMDGPU_MACH);
 390     BCaseMask(EF_AMDGPU_MACH_R600_CYPRESS, EF_AMDGPU_MACH);
 391     BCaseMask(EF_AMDGPU_MACH_R600_JUNIPER, EF_AMDGPU_MACH);
 392     BCaseMask(EF_AMDGPU_MACH_R600_REDWOOD, EF_AMDGPU_MACH);
 393     BCaseMask(EF_AMDGPU_MACH_R600_SUMO, EF_AMDGPU_MACH);
 394     BCaseMask(EF_AMDGPU_MACH_R600_BARTS, EF_AMDGPU_MACH);
 395     BCaseMask(EF_AMDGPU_MACH_R600_CAICOS, EF_AMDGPU_MACH);
 396     BCaseMask(EF_AMDGPU_MACH_R600_CAYMAN, EF_AMDGPU_MACH);
 397     BCaseMask(EF_AMDGPU_MACH_R600_TURKS, EF_AMDGPU_MACH);
 398     BCaseMask(EF_AMDGPU_MACH_AMDGCN_GFX600, EF_AMDGPU_MACH);
 399     BCaseMask(EF_AMDGPU_MACH_AMDGCN_GFX601, EF_AMDGPU_MACH);
 400     BCaseMask(EF_AMDGPU_MACH_AMDGCN_GFX700, EF_AMDGPU_MACH);
 401     BCaseMask(EF_AMDGPU_MACH_AMDGCN_GFX701, EF_AMDGPU_MACH);
 402     BCaseMask(EF_AMDGPU_MACH_AMDGCN_GFX702, EF_AMDGPU_MACH);
 403     BCaseMask(EF_AMDGPU_MACH_AMDGCN_GFX703, EF_AMDGPU_MACH);
 404     BCaseMask(EF_AMDGPU_MACH_AMDGCN_GFX704, EF_AMDGPU_MACH);
 405     BCaseMask(EF_AMDGPU_MACH_AMDGCN_GFX801, EF_AMDGPU_MACH);
 406     BCaseMask(EF_AMDGPU_MACH_AMDGCN_GFX802, EF_AMDGPU_MACH);
 407     BCaseMask(EF_AMDGPU_MACH_AMDGCN_GFX803, EF_AMDGPU_MACH);
 408     BCaseMask(EF_AMDGPU_MACH_AMDGCN_GFX810, EF_AMDGPU_MACH);
 409     BCaseMask(EF_AMDGPU_MACH_AMDGCN_GFX900, EF_AMDGPU_MACH);
 410     BCaseMask(EF_AMDGPU_MACH_AMDGCN_GFX902, EF_AMDGPU_MACH);
 411     BCaseMask(EF_AMDGPU_MACH_AMDGCN_GFX904, EF_AMDGPU_MACH);
 412     BCaseMask(EF_AMDGPU_MACH_AMDGCN_GFX906, EF_AMDGPU_MACH);
 413     BCaseMask(EF_AMDGPU_MACH_AMDGCN_GFX909, EF_AMDGPU_MACH);
 414     BCaseMask(EF_AMDGPU_MACH_AMDGCN_GFX1010, EF_AMDGPU_MACH);
 415     BCase(EF_AMDGPU_XNACK);
 416     BCase(EF_AMDGPU_SRAM_ECC);
 417     break;
 418   case ELF::EM_X86_64:
 419     break;
 420   default:
 421     llvm_unreachable("Unsupported architecture");
 422   }
 423 #undef BCase
 424 #undef BCaseMask
 425 }
 426
 427 void ScalarEnumerationTraits<ELFYAML::ELF_SHT>::enumeration(
 428     IO &IO, ELFYAML::ELF_SHT &Value) {
 429   const auto *Object = static_cast<ELFYAML::Object *>(IO.getContext());
 430   assert(Object && "The IO context is not initialized");
 431 #define ECase(X) IO.enumCase(Value, #X, ELF::X)
 432   ECase(SHT_NULL);
 433   ECase(SHT_PROGBITS);
 434   ECase(SHT_SYMTAB);
 435   // FIXME: Issue a diagnostic with this information.
 436   ECase(SHT_STRTAB);
 437   ECase(SHT_RELA);
 438   ECase(SHT_HASH);
 439   ECase(SHT_DYNAMIC);
 440   ECase(SHT_NOTE);
 441   ECase(SHT_NOBITS);
 442   ECase(SHT_REL);
 443   ECase(SHT_SHLIB);
 444   ECase(SHT_DYNSYM);
 445   ECase(SHT_INIT_ARRAY);
 446   ECase(SHT_FINI_ARRAY);
 447   ECase(SHT_PREINIT_ARRAY);
 448   ECase(SHT_GROUP);
 449   ECase(SHT_SYMTAB_SHNDX);
 450   ECase(SHT_RELR);
 451   ECase(SHT_ANDROID_REL);
 452   ECase(SHT_ANDROID_RELA);
 453   ECase(SHT_ANDROID_RELR);
 454   ECase(SHT_LLVM_ODRTAB);
 455   ECase(SHT_LLVM_LINKER_OPTIONS);
 456   ECase(SHT_LLVM_CALL_GRAPH_PROFILE);
 457   ECase(SHT_LLVM_ADDRSIG);
 458   ECase(SHT_GNU_ATTRIBUTES);
 459   ECase(SHT_GNU_HASH);
 460   ECase(SHT_GNU_verdef);
 461   ECase(SHT_GNU_verneed);
 462   ECase(SHT_GNU_versym);
 463   switch (Object->Header.Machine) {
 464   case ELF::EM_ARM:
 465     ECase(SHT_ARM_EXIDX);
 466     ECase(SHT_ARM_PREEMPTMAP);
 467     ECase(SHT_ARM_ATTRIBUTES);
 468     ECase(SHT_ARM_DEBUGOVERLAY);
 469     ECase(SHT_ARM_OVERLAYSECTION);
 470     break;
 471   case ELF::EM_HEXAGON:
 472     ECase(SHT_HEX_ORDERED);
 473     break;
 474   case ELF::EM_X86_64:
 475     ECase(SHT_X86_64_UNWIND);
 476     break;
 477   case ELF::EM_MIPS:
 478     ECase(SHT_MIPS_REGINFO);
 479     ECase(SHT_MIPS_OPTIONS);
 480     ECase(SHT_MIPS_DWARF);
 481     ECase(SHT_MIPS_ABIFLAGS);
 482     break;
 483   default:
 484     // Nothing to do.
 485     break;
 486   }
 487 #undef ECase
 488   IO.enumFallback<Hex32>(Value);
 489 }
 490
 491 void ScalarBitSetTraits<ELFYAML::ELF_PF>::bitset(IO &IO,
 492                                                  ELFYAML::ELF_PF &Value) {
 493 #define BCase(X) IO.bitSetCase(Value, #X, ELF::X)
 494   BCase(PF_X);
 495   BCase(PF_W);
 496   BCase(PF_R);
 497 }
 498
 499 void ScalarBitSetTraits<ELFYAML::ELF_SHF>::bitset(IO &IO,
 500                                                   ELFYAML::ELF_SHF &Value) {
 501   const auto *Object = static_cast<ELFYAML::Object *>(IO.getContext());
 502 #define BCase(X) IO.bitSetCase(Value, #X, ELF::X)
 503   BCase(SHF_WRITE);
 504   BCase(SHF_ALLOC);
 505   BCase(SHF_EXCLUDE);
 506   BCase(SHF_EXECINSTR);
 507   BCase(SHF_MERGE);
 508   BCase(SHF_STRINGS);
 509   BCase(SHF_INFO_LINK);
 510   BCase(SHF_LINK_ORDER);
 511   BCase(SHF_OS_NONCONFORMING);
 512   BCase(SHF_GROUP);
 513   BCase(SHF_TLS);
 514   BCase(SHF_COMPRESSED);
 515   switch (Object->Header.Machine) {
 516   case ELF::EM_ARM:
 517     BCase(SHF_ARM_PURECODE);
 518     break;
 519   case ELF::EM_HEXAGON:
 520     BCase(SHF_HEX_GPREL);
 521     break;
 522   case ELF::EM_MIPS:
 523     BCase(SHF_MIPS_NODUPES);
 524     BCase(SHF_MIPS_NAMES);
 525     BCase(SHF_MIPS_LOCAL);
 526     BCase(SHF_MIPS_NOSTRIP);
 527     BCase(SHF_MIPS_GPREL);
 528     BCase(SHF_MIPS_MERGE);
 529     BCase(SHF_MIPS_ADDR);
 530     BCase(SHF_MIPS_STRING);
 531     break;
 532   case ELF::EM_X86_64:
 533     BCase(SHF_X86_64_LARGE);
 534     break;
 535   default:
 536     // Nothing to do.
 537     break;
 538   }
 539 #undef BCase
 540 }
 541
 542 void ScalarEnumerationTraits<ELFYAML::ELF_SHN>::enumeration(
 543     IO &IO, ELFYAML::ELF_SHN &Value) {
 544 #define ECase(X) IO.enumCase(Value, #X, ELF::X)
 545   ECase(SHN_UNDEF);
 546   ECase(SHN_LORESERVE);
 547   ECase(SHN_LOPROC);
 548   ECase(SHN_HIPROC);
 549   ECase(SHN_LOOS);
 550   ECase(SHN_HIOS);
 551   ECase(SHN_ABS);
 552   ECase(SHN_COMMON);
 553   ECase(SHN_XINDEX);
 554   ECase(SHN_HIRESERVE);
 555   ECase(SHN_HEXAGON_SCOMMON);
 556   ECase(SHN_HEXAGON_SCOMMON_1);
 557   ECase(SHN_HEXAGON_SCOMMON_2);
 558   ECase(SHN_HEXAGON_SCOMMON_4);
 559   ECase(SHN_HEXAGON_SCOMMON_8);
 560 #undef ECase
 561   IO.enumFallback<Hex32>(Value);
 562 }
 563
 564 void ScalarEnumerationTraits<ELFYAML::ELF_STB>::enumeration(
 565     IO &IO, ELFYAML::ELF_STB &Value) {
 566 #define ECase(X) IO.enumCase(Value, #X, ELF::X)
 567   ECase(STB_LOCAL);
 568   ECase(STB_GLOBAL);
 569   ECase(STB_WEAK);
 570   ECase(STB_GNU_UNIQUE);
 571 #undef ECase
 572   IO.enumFallback<Hex8>(Value);
 573 }
 574
 575 void ScalarEnumerationTraits<ELFYAML::ELF_STT>::enumeration(
 576     IO &IO, ELFYAML::ELF_STT &Value) {
 577 #define ECase(X) IO.enumCase(Value, #X, ELF::X)
 578   ECase(STT_NOTYPE);
 579   ECase(STT_OBJECT);
 580   ECase(STT_FUNC);
 581   ECase(STT_SECTION);
 582   ECase(STT_FILE);
 583   ECase(STT_COMMON);
 584   ECase(STT_TLS);
 585   ECase(STT_GNU_IFUNC);
 586 #undef ECase
 587   IO.enumFallback<Hex8>(Value);
 588 }
 589
 590 void ScalarEnumerationTraits<ELFYAML::ELF_STV>::enumeration(
 591     IO &IO, ELFYAML::ELF_STV &Value) {
 592 #define ECase(X) IO.enumCase(Value, #X, ELF::X)
 593   ECase(STV_DEFAULT);
 594   ECase(STV_INTERNAL);
 595   ECase(STV_HIDDEN);
 596   ECase(STV_PROTECTED);
 597 #undef ECase
 598 }
 599
 600 void ScalarBitSetTraits<ELFYAML::ELF_STO>::bitset(IO &IO,
 601                                                   ELFYAML::ELF_STO &Value) {
 602   const auto *Object = static_cast<ELFYAML::Object *>(IO.getContext());
 603   assert(Object && "The IO context is not initialized");
 604 #define BCase(X) IO.bitSetCase(Value, #X, ELF::X)
 605   switch (Object->Header.Machine) {
 606   case ELF::EM_MIPS:
 607     BCase(STO_MIPS_OPTIONAL);
 608     BCase(STO_MIPS_PLT);
 609     BCase(STO_MIPS_PIC);
 610     BCase(STO_MIPS_MICROMIPS);
 611     break;
 612   default:
 613     break; // Nothing to do
 614   }
 615 #undef BCase
 616 #undef BCaseMask
 617 }
 618
 619 void ScalarEnumerationTraits<ELFYAML::ELF_RSS>::enumeration(
 620     IO &IO, ELFYAML::ELF_RSS &Value) {
 621 #define ECase(X) IO.enumCase(Value, #X, ELF::X)
 622   ECase(RSS_UNDEF);
 623   ECase(RSS_GP);
 624   ECase(RSS_GP0);
 625   ECase(RSS_LOC);
 626 #undef ECase
 627 }
 628
 629 void ScalarEnumerationTraits<ELFYAML::ELF_REL>::enumeration(
 630     IO &IO, ELFYAML::ELF_REL &Value) {
 631   const auto *Object = static_cast<ELFYAML::Object *>(IO.getContext());
 632   assert(Object && "The IO context is not initialized");
 633 #define ELF_RELOC(X, Y) IO.enumCase(Value, #X, ELF::X);
 634   switch (Object->Header.Machine) {
 635   case ELF::EM_X86_64:
 636 #include "llvm/BinaryFormat/ELFRelocs/x86_64.def"
 637     break;
 638   case ELF::EM_MIPS:
 639 #include "llvm/BinaryFormat/ELFRelocs/Mips.def"
 640     break;
 641   case ELF::EM_HEXAGON:
 642 #include "llvm/BinaryFormat/ELFRelocs/Hexagon.def"
 643     break;
 644   case ELF::EM_386:
 645   case ELF::EM_IAMCU:
 646 #include "llvm/BinaryFormat/ELFRelocs/i386.def"
 647     break;
 648   case ELF::EM_AARCH64:
 649 #include "llvm/BinaryFormat/ELFRelocs/AArch64.def"
 650     break;
 651   case ELF::EM_ARM:
 652 #include "llvm/BinaryFormat/ELFRelocs/ARM.def"
 653     break;
 654   case ELF::EM_ARC:
 655 #include "llvm/BinaryFormat/ELFRelocs/ARC.def"
 656     break;
 657   case ELF::EM_RISCV:
 658 #include "llvm/BinaryFormat/ELFRelocs/RISCV.def"
 659     break;
 660   case ELF::EM_LANAI:
 661 #include "llvm/BinaryFormat/ELFRelocs/Lanai.def"
 662     break;
 663   case ELF::EM_AMDGPU:
 664 #include "llvm/BinaryFormat/ELFRelocs/AMDGPU.def"
 665     break;
 666   case ELF::EM_BPF:
 667 #include "llvm/BinaryFormat/ELFRelocs/BPF.def"
 668     break;
 669   default:
 670     llvm_unreachable("Unsupported architecture");
 671   }
 672 #undef ELF_RELOC
 673   IO.enumFallback<Hex32>(Value);
 674 }
 675
 676 void ScalarEnumerationTraits<ELFYAML::ELF_DYNTAG>::enumeration(
 677     IO &IO, ELFYAML::ELF_DYNTAG &Value) {
 678   const auto *Object = static_cast<ELFYAML::Object *>(IO.getContext());
 679   assert(Object && "The IO context is not initialized");
 680
 681 // Disable architecture specific tags by default. We might enable them below.
 682 #define MIPS_DYNAMIC_TAG(name, value)
 683 #define HEXAGON_DYNAMIC_TAG(name, value)
 684 #define PPC64_DYNAMIC_TAG(name, value)
 685 // Ignore marker tags such as DT_HIOS (maps to DT_VERNEEDNUM), etc.
 686 #define DYNAMIC_TAG_MARKER(name, value)
 687
 688 #define STRINGIFY(X) (#X)
 689 #define DYNAMIC_TAG(X, Y) IO.enumCase(Value, STRINGIFY(DT_##X), ELF::DT_##X);
 690   switch (Object->Header.Machine) {
 691   case ELF::EM_MIPS:
 692 #undef MIPS_DYNAMIC_TAG
 693 #define MIPS_DYNAMIC_TAG(name, value) DYNAMIC_TAG(name, value)
 694 #include "llvm/BinaryFormat/DynamicTags.def"
 695 #undef MIPS_DYNAMIC_TAG
 696 #define MIPS_DYNAMIC_TAG(name, value)
 697     break;
 698   case ELF::EM_HEXAGON:
 699 #undef HEXAGON_DYNAMIC_TAG
 700 #define HEXAGON_DYNAMIC_TAG(name, value) DYNAMIC_TAG(name, value)
 701 #include "llvm/BinaryFormat/DynamicTags.def"
 702 #undef HEXAGON_DYNAMIC_TAG
 703 #define HEXAGON_DYNAMIC_TAG(name, value)
 704     break;
 705   case ELF::EM_PPC64:
 706 #undef PPC64_DYNAMIC_TAG
 707 #define PPC64_DYNAMIC_TAG(name, value) DYNAMIC_TAG(name, value)
 708 #include "llvm/BinaryFormat/DynamicTags.def"
 709 #undef PPC64_DYNAMIC_TAG
 710 #define PPC64_DYNAMIC_TAG(name, value)
 711     break;
 712   default:
 713 #include "llvm/BinaryFormat/DynamicTags.def"
 714     break;
 715   }
 716
 717 #undef MIPS_DYNAMIC_TAG
 718 #undef HEXAGON_DYNAMIC_TAG
 719 #undef PPC64_DYNAMIC_TAG
 720 #undef DYNAMIC_TAG_MARKER
 721 #undef STRINGIFY
 722 #undef DYNAMIC_TAG
 723
 724   IO.enumFallback<Hex64>(Value);
 725 }
 726
 727 void ScalarEnumerationTraits<ELFYAML::MIPS_AFL_REG>::enumeration(
 728     IO &IO, ELFYAML::MIPS_AFL_REG &Value) {
 729 #define ECase(X) IO.enumCase(Value, #X, Mips::AFL_##X)
 730   ECase(REG_NONE);
 731   ECase(REG_32);
 732   ECase(REG_64);
 733   ECase(REG_128);
 734 #undef ECase
 735 }
 736
 737 void ScalarEnumerationTraits<ELFYAML::MIPS_ABI_FP>::enumeration(
 738     IO &IO, ELFYAML::MIPS_ABI_FP &Value) {
 739 #define ECase(X) IO.enumCase(Value, #X, Mips::Val_GNU_MIPS_ABI_##X)
 740   ECase(FP_ANY);
 741   ECase(FP_DOUBLE);
 742   ECase(FP_SINGLE);
 743   ECase(FP_SOFT);
 744   ECase(FP_OLD_64);
 745   ECase(FP_XX);
 746   ECase(FP_64);
 747   ECase(FP_64A);
 748 #undef ECase
 749 }
 750
 751 void ScalarEnumerationTraits<ELFYAML::MIPS_AFL_EXT>::enumeration(
 752     IO &IO, ELFYAML::MIPS_AFL_EXT &Value) {
 753 #define ECase(X) IO.enumCase(Value, #X, Mips::AFL_##X)
 754   ECase(EXT_NONE);
 755   ECase(EXT_XLR);
 756   ECase(EXT_OCTEON2);
 757   ECase(EXT_OCTEONP);
 758   ECase(EXT_LOONGSON_3A);
 759   ECase(EXT_OCTEON);
 760   ECase(EXT_5900);
 761   ECase(EXT_4650);
 762   ECase(EXT_4010);
 763   ECase(EXT_4100);
 764   ECase(EXT_3900);
 765   ECase(EXT_10000);
 766   ECase(EXT_SB1);
 767   ECase(EXT_4111);
 768   ECase(EXT_4120);
 769   ECase(EXT_5400);
 770   ECase(EXT_5500);
 771   ECase(EXT_LOONGSON_2E);
 772   ECase(EXT_LOONGSON_2F);
 773   ECase(EXT_OCTEON3);
 774 #undef ECase
 775 }
 776
 777 void ScalarEnumerationTraits<ELFYAML::MIPS_ISA>::enumeration(
 778     IO &IO, ELFYAML::MIPS_ISA &Value) {
 779   IO.enumCase(Value, "MIPS1", 1);
 780   IO.enumCase(Value, "MIPS2", 2);
 781   IO.enumCase(Value, "MIPS3", 3);
 782   IO.enumCase(Value, "MIPS4", 4);
 783   IO.enumCase(Value, "MIPS5", 5);
 784   IO.enumCase(Value, "MIPS32", 32);
 785   IO.enumCase(Value, "MIPS64", 64);
 786 }
 787
 788 void ScalarBitSetTraits<ELFYAML::MIPS_AFL_ASE>::bitset(
 789     IO &IO, ELFYAML::MIPS_AFL_ASE &Value) {
 790 #define BCase(X) IO.bitSetCase(Value, #X, Mips::AFL_ASE_##X)
 791   BCase(DSP);
 792   BCase(DSPR2);
 793   BCase(EVA);
 794   BCase(MCU);
 795   BCase(MDMX);
 796   BCase(MIPS3D);
 797   BCase(MT);
 798   BCase(SMARTMIPS);
 799   BCase(VIRT);
 800   BCase(MSA);
 801   BCase(MIPS16);
 802   BCase(MICROMIPS);
 803   BCase(XPA);
 804 #undef BCase
 805 }
 806
 807 void ScalarBitSetTraits<ELFYAML::MIPS_AFL_FLAGS1>::bitset(
 808     IO &IO, ELFYAML::MIPS_AFL_FLAGS1 &Value) {
 809 #define BCase(X) IO.bitSetCase(Value, #X, Mips::AFL_FLAGS1_##X)
 810   BCase(ODDSPREG);
 811 #undef BCase
 812 }
 813
 814 void MappingTraits<ELFYAML::FileHeader>::mapping(IO &IO,
 815                                                  ELFYAML::FileHeader &FileHdr) {
 816   IO.mapRequired("Class", FileHdr.Class);
 817   IO.mapRequired("Data", FileHdr.Data);
 818   IO.mapOptional("OSABI", FileHdr.OSABI, ELFYAML::ELF_ELFOSABI(0));
 819   IO.mapOptional("ABIVersion", FileHdr.ABIVersion, Hex8(0));
 820   IO.mapRequired("Type", FileHdr.Type);
 821   IO.mapRequired("Machine", FileHdr.Machine);
 822   IO.mapOptional("Flags", FileHdr.Flags, ELFYAML::ELF_EF(0));
 823   IO.mapOptional("Entry", FileHdr.Entry, Hex64(0));
 824 }
 825
 826 void MappingTraits<ELFYAML::ProgramHeader>::mapping(
 827     IO &IO, ELFYAML::ProgramHeader &Phdr) {
 828   IO.mapRequired("Type", Phdr.Type);
 829   IO.mapOptional("Flags", Phdr.Flags, ELFYAML::ELF_PF(0));
 830   IO.mapOptional("Sections", Phdr.Sections);
 831   IO.mapOptional("VAddr", Phdr.VAddr, Hex64(0));
 832   IO.mapOptional("PAddr", Phdr.PAddr, Hex64(0));
 833   IO.mapOptional("Align", Phdr.Align);
 834   IO.mapOptional("FileSize", Phdr.FileSize);
 835   IO.mapOptional("MemSize", Phdr.MemSize);
 836   IO.mapOptional("Offset", Phdr.Offset);
 837 }
 838
 839 namespace {
 840
 841 struct NormalizedOther {
 842   NormalizedOther(IO &)
 843       : Visibility(ELFYAML::ELF_STV(0)), Other(ELFYAML::ELF_STO(0)) {}
 844   NormalizedOther(IO &, uint8_t Original)
 845       : Visibility(Original & 0x3), Other(Original & ~0x3) {}
 846
 847   uint8_t denormalize(IO &) { return Visibility | Other; }
 848
 849   ELFYAML::ELF_STV Visibility;
 850   ELFYAML::ELF_STO Other;
 851 };
 852
 853 } // end anonymous namespace
 854
 855 void MappingTraits<ELFYAML::Symbol>::mapping(IO &IO, ELFYAML::Symbol &Symbol) {
 856   IO.mapOptional("Name", Symbol.Name, StringRef());
 857   IO.mapOptional("NameIndex", Symbol.NameIndex);
 858   IO.mapOptional("Type", Symbol.Type, ELFYAML::ELF_STT(0));
 859   IO.mapOptional("Section", Symbol.Section, StringRef());
 860   IO.mapOptional("Index", Symbol.Index);
 861   IO.mapOptional("Binding", Symbol.Binding, ELFYAML::ELF_STB(0));
 862   IO.mapOptional("Value", Symbol.Value, Hex64(0));
 863   IO.mapOptional("Size", Symbol.Size, Hex64(0));
 864   MappingNormalization<NormalizedOther, uint8_t> Keys(IO, Symbol.Other);
 865   IO.mapOptional("Visibility", Keys->Visibility, ELFYAML::ELF_STV(0));
 866   IO.mapOptional("Other", Keys->Other, ELFYAML::ELF_STO(0));
 867 }
 868
 869 StringRef MappingTraits<ELFYAML::Symbol>::validate(IO &IO,
 870                                                    ELFYAML::Symbol &Symbol) {
 871   if (Symbol.Index && Symbol.Section.data())
 872     return "Index and Section cannot both be specified for Symbol";
 873   if (Symbol.Index && *Symbol.Index == ELFYAML::ELF_SHN(ELF::SHN_XINDEX))
 874     return "Large indexes are not supported";
 875   if (Symbol.NameIndex && !Symbol.Name.empty())
 876     return "Name and NameIndex cannot both be specified for Symbol";
 877   return StringRef();
 878 }
 879
 880 static void commonSectionMapping(IO &IO, ELFYAML::Section &Section) {
 881   IO.mapOptional("Name", Section.Name, StringRef());
 882   IO.mapRequired("Type", Section.Type);
 883   IO.mapOptional("Flags", Section.Flags, ELFYAML::ELF_SHF(0));
 884   IO.mapOptional("Address", Section.Address, Hex64(0));
 885   IO.mapOptional("Link", Section.Link, StringRef());
 886   IO.mapOptional("AddressAlign", Section.AddressAlign, Hex64(0));
 887   IO.mapOptional("EntSize", Section.EntSize);
 888 }
 889
 890 static void sectionMapping(IO &IO, ELFYAML::DynamicSection &Section) {
 891   commonSectionMapping(IO, Section);
 892   IO.mapOptional("Entries", Section.Entries);
 893   IO.mapOptional("Content", Section.Content);
 894 }
 895
 896 static void sectionMapping(IO &IO, ELFYAML::RawContentSection &Section) {
 897   commonSectionMapping(IO, Section);
 898   IO.mapOptional("Content", Section.Content);
 899   IO.mapOptional("Size", Section.Size, Hex64(Section.Content.binary_size()));
 900   IO.mapOptional("Info", Section.Info, Hex64(0));
 901 }
 902
 903 static void sectionMapping(IO &IO, ELFYAML::NoBitsSection &Section) {
 904   commonSectionMapping(IO, Section);
 905   IO.mapOptional("Size", Section.Size, Hex64(0));
 906 }
 907
 908 static void sectionMapping(IO &IO, ELFYAML::VerdefSection &Section) {
 909   commonSectionMapping(IO, Section);
 910   IO.mapRequired("Info", Section.Info);
 911   IO.mapRequired("Entries", Section.Entries);
 912 }
 913
 914 static void sectionMapping(IO &IO, ELFYAML::SymverSection &Section) {
 915   commonSectionMapping(IO, Section);
 916   IO.mapRequired("Entries", Section.Entries);
 917 }
 918
 919 static void sectionMapping(IO &IO, ELFYAML::VerneedSection &Section) {
 920   commonSectionMapping(IO, Section);
 921   IO.mapRequired("Info", Section.Info);
 922   IO.mapRequired("Dependencies", Section.VerneedV);
 923 }
 924
 925 static void sectionMapping(IO &IO, ELFYAML::RelocationSection &Section) {
 926   commonSectionMapping(IO, Section);
 927   IO.mapOptional("Info", Section.RelocatableSec, StringRef());
 928   IO.mapOptional("Relocations", Section.Relocations);
 929 }
 930
 931 static void groupSectionMapping(IO &IO, ELFYAML::Group &Group) {
 932   commonSectionMapping(IO, Group);
 933   IO.mapOptional("Info", Group.Signature, StringRef());
 934   IO.mapRequired("Members", Group.Members);
 935 }
 936
 937 void MappingTraits<ELFYAML::SectionOrType>::mapping(
 938     IO &IO, ELFYAML::SectionOrType &sectionOrType) {
 939   IO.mapRequired("SectionOrType", sectionOrType.sectionNameOrType);
 940 }
 941
 942 void MappingTraits<ELFYAML::SectionName>::mapping(
 943     IO &IO, ELFYAML::SectionName &sectionName) {
 944   IO.mapRequired("Section", sectionName.Section);
 945 }
 946
 947 static void sectionMapping(IO &IO, ELFYAML::MipsABIFlags &Section) {
 948   commonSectionMapping(IO, Section);
 949   IO.mapOptional("Version", Section.Version, Hex16(0));
 950   IO.mapRequired("ISA", Section.ISALevel);
 951   IO.mapOptional("ISARevision", Section.ISARevision, Hex8(0));
 952   IO.mapOptional("ISAExtension", Section.ISAExtension,
 953                  ELFYAML::MIPS_AFL_EXT(Mips::AFL_EXT_NONE));
 954   IO.mapOptional("ASEs", Section.ASEs, ELFYAML::MIPS_AFL_ASE(0));
 955   IO.mapOptional("FpABI", Section.FpABI,
 956                  ELFYAML::MIPS_ABI_FP(Mips::Val_GNU_MIPS_ABI_FP_ANY));
 957   IO.mapOptional("GPRSize", Section.GPRSize,
 958                  ELFYAML::MIPS_AFL_REG(Mips::AFL_REG_NONE));
 959   IO.mapOptional("CPR1Size", Section.CPR1Size,
 960                  ELFYAML::MIPS_AFL_REG(Mips::AFL_REG_NONE));
 961   IO.mapOptional("CPR2Size", Section.CPR2Size,
 962                  ELFYAML::MIPS_AFL_REG(Mips::AFL_REG_NONE));
 963   IO.mapOptional("Flags1", Section.Flags1, ELFYAML::MIPS_AFL_FLAGS1(0));
 964   IO.mapOptional("Flags2", Section.Flags2, Hex32(0));
 965 }
 966
 967 void MappingTraits<std::unique_ptr<ELFYAML::Section>>::mapping(
 968     IO &IO, std::unique_ptr<ELFYAML::Section> &Section) {
 969   ELFYAML::ELF_SHT sectionType;
 970   if (IO.outputting())
 971     sectionType = Section->Type;
 972   else
 973     IO.mapRequired("Type", sectionType);
 974
 975   switch (sectionType) {
 976   case ELF::SHT_DYNAMIC:
 977     if (!IO.outputting())
 978       Section.reset(new ELFYAML::DynamicSection());
 979     sectionMapping(IO, *cast<ELFYAML::DynamicSection>(Section.get()));
 980     break;
 981   case ELF::SHT_REL:
 982   case ELF::SHT_RELA:
 983     if (!IO.outputting())
 984       Section.reset(new ELFYAML::RelocationSection());
 985     sectionMapping(IO, *cast<ELFYAML::RelocationSection>(Section.get()));
 986     break;
 987   case ELF::SHT_GROUP:
 988     if (!IO.outputting())
 989       Section.reset(new ELFYAML::Group());
 990     groupSectionMapping(IO, *cast<ELFYAML::Group>(Section.get()));
 991     break;
 992   case ELF::SHT_NOBITS:
 993     if (!IO.outputting())
 994       Section.reset(new ELFYAML::NoBitsSection());
 995     sectionMapping(IO, *cast<ELFYAML::NoBitsSection>(Section.get()));
 996     break;
 997   case ELF::SHT_MIPS_ABIFLAGS:
 998     if (!IO.outputting())
 999       Section.reset(new ELFYAML::MipsABIFlags());
1000     sectionMapping(IO, *cast<ELFYAML::MipsABIFlags>(Section.get()));
1001     break;
1002   case ELF::SHT_GNU_verdef:
1003     if (!IO.outputting())
1004       Section.reset(new ELFYAML::VerdefSection());
1005     sectionMapping(IO, *cast<ELFYAML::VerdefSection>(Section.get()));
1006     break;
1007   case ELF::SHT_GNU_versym:
1008     if (!IO.outputting())
1009       Section.reset(new ELFYAML::SymverSection());
1010     sectionMapping(IO, *cast<ELFYAML::SymverSection>(Section.get()));
1011     break;
1012   case ELF::SHT_GNU_verneed:
1013     if (!IO.outputting())
1014       Section.reset(new ELFYAML::VerneedSection());
1015     sectionMapping(IO, *cast<ELFYAML::VerneedSection>(Section.get()));
1016     break;
1017   default:
1018     if (!IO.outputting())
1019       Section.reset(new ELFYAML::RawContentSection());
1020     sectionMapping(IO, *cast<ELFYAML::RawContentSection>(Section.get()));
1021   }
1022 }
1023
1024 StringRef MappingTraits<std::unique_ptr<ELFYAML::Section>>::validate(
1025     IO &io, std::unique_ptr<ELFYAML::Section> &Section) {
1026   const auto *RawSection = dyn_cast<ELFYAML::RawContentSection>(Section.get());
1027   if (!RawSection || RawSection->Size >= RawSection->Content.binary_size())
1028     return StringRef();
1029   return "Section size must be greater or equal to the content size";
1030 }
1031
1032 namespace {
1033
1034 struct NormalizedMips64RelType {
1035   NormalizedMips64RelType(IO &)
1036       : Type(ELFYAML::ELF_REL(ELF::R_MIPS_NONE)),
1037         Type2(ELFYAML::ELF_REL(ELF::R_MIPS_NONE)),
1038         Type3(ELFYAML::ELF_REL(ELF::R_MIPS_NONE)),
1039         SpecSym(ELFYAML::ELF_REL(ELF::RSS_UNDEF)) {}
1040   NormalizedMips64RelType(IO &, ELFYAML::ELF_REL Original)
1041       : Type(Original & 0xFF), Type2(Original >> 8 & 0xFF),
1042         Type3(Original >> 16 & 0xFF), SpecSym(Original >> 24 & 0xFF) {}
1043
1044   ELFYAML::ELF_REL denormalize(IO &) {
1045     ELFYAML::ELF_REL Res = Type | Type2 << 8 | Type3 << 16 | SpecSym << 24;
1046     return Res;
1047   }
1048
1049   ELFYAML::ELF_REL Type;
1050   ELFYAML::ELF_REL Type2;
1051   ELFYAML::ELF_REL Type3;
1052   ELFYAML::ELF_RSS SpecSym;
1053 };
1054
1055 } // end anonymous namespace
1056
1057 void MappingTraits<ELFYAML::DynamicEntry>::mapping(IO &IO,
1058                                                    ELFYAML::DynamicEntry &Rel) {
1059   assert(IO.getContext() && "The IO context is not initialized");
1060
1061   IO.mapRequired("Tag", Rel.Tag);
1062   IO.mapRequired("Value", Rel.Val);
1063 }
1064
1065 void MappingTraits<ELFYAML::VerdefEntry>::mapping(IO &IO,
1066                                                   ELFYAML::VerdefEntry &E) {
1067   assert(IO.getContext() && "The IO context is not initialized");
1068
1069   IO.mapRequired("Version", E.Version);
1070   IO.mapRequired("Flags", E.Flags);
1071   IO.mapRequired("VersionNdx", E.VersionNdx);
1072   IO.mapRequired("Hash", E.Hash);
1073   IO.mapRequired("Names", E.VerNames);
1074 }
1075
1076 void MappingTraits<ELFYAML::VerneedEntry>::mapping(IO &IO,
1077                                                    ELFYAML::VerneedEntry &E) {
1078   assert(IO.getContext() && "The IO context is not initialized");
1079
1080   IO.mapRequired("Version", E.Version);
1081   IO.mapRequired("File", E.File);
1082   IO.mapRequired("Entries", E.AuxV);
1083 }
1084
1085 void MappingTraits<ELFYAML::VernauxEntry>::mapping(IO &IO,
1086                                                    ELFYAML::VernauxEntry &E) {
1087   assert(IO.getContext() && "The IO context is not initialized");
1088
1089   IO.mapRequired("Name", E.Name);
1090   IO.mapRequired("Hash", E.Hash);
1091   IO.mapRequired("Flags", E.Flags);
1092   IO.mapRequired("Other", E.Other);
1093 }
1094
1095 void MappingTraits<ELFYAML::Relocation>::mapping(IO &IO,
1096                                                  ELFYAML::Relocation &Rel) {
1097   const auto *Object = static_cast<ELFYAML::Object *>(IO.getContext());
1098   assert(Object && "The IO context is not initialized");
1099
1100   IO.mapRequired("Offset", Rel.Offset);
1101   IO.mapOptional("Symbol", Rel.Symbol);
1102
1103   if (Object->Header.Machine == ELFYAML::ELF_EM(ELF::EM_MIPS) &&
1104       Object->Header.Class == ELFYAML::ELF_ELFCLASS(ELF::ELFCLASS64)) {
1105     MappingNormalization<NormalizedMips64RelType, ELFYAML::ELF_REL> Key(
1106         IO, Rel.Type);
1107     IO.mapRequired("Type", Key->Type);
1108     IO.mapOptional("Type2", Key->Type2, ELFYAML::ELF_REL(ELF::R_MIPS_NONE));
1109     IO.mapOptional("Type3", Key->Type3, ELFYAML::ELF_REL(ELF::R_MIPS_NONE));
1110     IO.mapOptional("SpecSym", Key->SpecSym, ELFYAML::ELF_RSS(ELF::RSS_UNDEF));
1111   } else
1112     IO.mapRequired("Type", Rel.Type);
1113
1114   IO.mapOptional("Addend", Rel.Addend, (int64_t)0);
1115 }
1116
1117 void MappingTraits<ELFYAML::Object>::mapping(IO &IO, ELFYAML::Object &Object) {
1118   assert(!IO.getContext() && "The IO context is initialized already");
1119   IO.setContext(&Object);
1120   IO.mapTag("!ELF", true);
1121   IO.mapRequired("FileHeader", Object.Header);
1122   IO.mapOptional("ProgramHeaders", Object.ProgramHeaders);
1123   IO.mapOptional("Sections", Object.Sections);
1124   IO.mapOptional("Symbols", Object.Symbols);
1125   IO.mapOptional("DynamicSymbols", Object.DynamicSymbols);
1126   IO.setContext(nullptr);
1127 }
1128
1129 LLVM_YAML_STRONG_TYPEDEF(uint8_t, MIPS_AFL_REG)
1130 LLVM_YAML_STRONG_TYPEDEF(uint8_t, MIPS_ABI_FP)
1131 LLVM_YAML_STRONG_TYPEDEF(uint32_t, MIPS_AFL_EXT)
1132 LLVM_YAML_STRONG_TYPEDEF(uint32_t, MIPS_AFL_ASE)
1133 LLVM_YAML_STRONG_TYPEDEF(uint32_t, MIPS_AFL_FLAGS1)
1134
1135 } // end namespace yaml
1136
1137 } // end namespace llvm