diff options
Diffstat (limited to 'contrib/llvm/lib/Object/ELFYAML.cpp')
| -rw-r--r-- | contrib/llvm/lib/Object/ELFYAML.cpp | 427 |
1 files changed, 423 insertions, 4 deletions
diff --git a/contrib/llvm/lib/Object/ELFYAML.cpp b/contrib/llvm/lib/Object/ELFYAML.cpp index 2f35cf9b1036..6340841e5ee6 100644 --- a/contrib/llvm/lib/Object/ELFYAML.cpp +++ b/contrib/llvm/lib/Object/ELFYAML.cpp @@ -12,8 +12,12 @@ //===----------------------------------------------------------------------===// #include "llvm/Object/ELFYAML.h" +#include "llvm/Support/Casting.h" namespace llvm { + +ELFYAML::Section::~Section() {} + namespace yaml { void @@ -237,8 +241,65 @@ void ScalarEnumerationTraits<ELFYAML::ELF_ELFOSABI>::enumeration( #undef ECase } +void ScalarBitSetTraits<ELFYAML::ELF_EF>::bitset(IO &IO, + ELFYAML::ELF_EF &Value) { + const auto *Object = static_cast<ELFYAML::Object *>(IO.getContext()); + assert(Object && "The IO context is not initialized"); +#define BCase(X) IO.bitSetCase(Value, #X, ELF::X); +#define BCaseMask(X, M) IO.maskedBitSetCase(Value, #X, ELF::X, ELF::M); + switch (Object->Header.Machine) { + case ELF::EM_ARM: + BCase(EF_ARM_SOFT_FLOAT) + BCase(EF_ARM_VFP_FLOAT) + BCaseMask(EF_ARM_EABI_UNKNOWN, EF_ARM_EABIMASK) + BCaseMask(EF_ARM_EABI_VER1, EF_ARM_EABIMASK) + BCaseMask(EF_ARM_EABI_VER2, EF_ARM_EABIMASK) + BCaseMask(EF_ARM_EABI_VER3, EF_ARM_EABIMASK) + BCaseMask(EF_ARM_EABI_VER4, EF_ARM_EABIMASK) + BCaseMask(EF_ARM_EABI_VER5, EF_ARM_EABIMASK) + break; + case ELF::EM_MIPS: + BCase(EF_MIPS_NOREORDER) + BCase(EF_MIPS_PIC) + BCase(EF_MIPS_CPIC) + BCase(EF_MIPS_ABI2) + BCase(EF_MIPS_32BITMODE) + BCase(EF_MIPS_ABI_O32) + BCase(EF_MIPS_MICROMIPS) + BCase(EF_MIPS_ARCH_ASE_M16) + BCaseMask(EF_MIPS_ARCH_1, EF_MIPS_ARCH) + BCaseMask(EF_MIPS_ARCH_2, EF_MIPS_ARCH) + BCaseMask(EF_MIPS_ARCH_3, EF_MIPS_ARCH) + BCaseMask(EF_MIPS_ARCH_4, EF_MIPS_ARCH) + BCaseMask(EF_MIPS_ARCH_5, EF_MIPS_ARCH) + BCaseMask(EF_MIPS_ARCH_32, EF_MIPS_ARCH) + BCaseMask(EF_MIPS_ARCH_64, EF_MIPS_ARCH) + BCaseMask(EF_MIPS_ARCH_32R2, EF_MIPS_ARCH) + BCaseMask(EF_MIPS_ARCH_64R2, EF_MIPS_ARCH) + BCaseMask(EF_MIPS_ARCH_32R6, EF_MIPS_ARCH) + BCaseMask(EF_MIPS_ARCH_64R6, EF_MIPS_ARCH) + break; + case ELF::EM_HEXAGON: + BCase(EF_HEXAGON_MACH_V2) + BCase(EF_HEXAGON_MACH_V3) + BCase(EF_HEXAGON_MACH_V4) + BCase(EF_HEXAGON_MACH_V5) + BCase(EF_HEXAGON_ISA_V2) + BCase(EF_HEXAGON_ISA_V3) + BCase(EF_HEXAGON_ISA_V4) + BCase(EF_HEXAGON_ISA_V5) + break; + default: + llvm_unreachable("Unsupported architecture"); + } +#undef BCase +#undef BCaseMask +} + void ScalarEnumerationTraits<ELFYAML::ELF_SHT>::enumeration( IO &IO, ELFYAML::ELF_SHT &Value) { + const auto *Object = static_cast<ELFYAML::Object *>(IO.getContext()); + assert(Object && "The IO context is not initialized"); #define ECase(X) IO.enumCase(Value, #X, ELF::X); ECase(SHT_NULL) ECase(SHT_PROGBITS) @@ -258,6 +319,37 @@ void ScalarEnumerationTraits<ELFYAML::ELF_SHT>::enumeration( ECase(SHT_PREINIT_ARRAY) ECase(SHT_GROUP) ECase(SHT_SYMTAB_SHNDX) + ECase(SHT_LOOS) + ECase(SHT_GNU_ATTRIBUTES) + ECase(SHT_GNU_HASH) + ECase(SHT_GNU_verdef) + ECase(SHT_GNU_verneed) + ECase(SHT_GNU_versym) + ECase(SHT_HIOS) + ECase(SHT_LOPROC) + switch (Object->Header.Machine) { + case ELF::EM_ARM: + ECase(SHT_ARM_EXIDX) + ECase(SHT_ARM_PREEMPTMAP) + ECase(SHT_ARM_ATTRIBUTES) + ECase(SHT_ARM_DEBUGOVERLAY) + ECase(SHT_ARM_OVERLAYSECTION) + break; + case ELF::EM_HEXAGON: + ECase(SHT_HEX_ORDERED) + break; + case ELF::EM_X86_64: + ECase(SHT_X86_64_UNWIND) + break; + case ELF::EM_MIPS: + ECase(SHT_MIPS_REGINFO) + ECase(SHT_MIPS_OPTIONS) + ECase(SHT_MIPS_ABIFLAGS) + break; + default: + // Nothing to do. + break; + } #undef ECase } @@ -292,6 +384,280 @@ void ScalarEnumerationTraits<ELFYAML::ELF_STT>::enumeration( #undef ECase } +void ScalarEnumerationTraits<ELFYAML::ELF_STV>::enumeration( + IO &IO, ELFYAML::ELF_STV &Value) { +#define ECase(X) IO.enumCase(Value, #X, ELF::X); + ECase(STV_DEFAULT) + ECase(STV_INTERNAL) + ECase(STV_HIDDEN) + ECase(STV_PROTECTED) +#undef ECase +} + +void ScalarEnumerationTraits<ELFYAML::ELF_REL>::enumeration( + IO &IO, ELFYAML::ELF_REL &Value) { + const auto *Object = static_cast<ELFYAML::Object *>(IO.getContext()); + assert(Object && "The IO context is not initialized"); +#define ECase(X) IO.enumCase(Value, #X, ELF::X); + switch (Object->Header.Machine) { + case ELF::EM_X86_64: + ECase(R_X86_64_NONE) + ECase(R_X86_64_64) + ECase(R_X86_64_PC32) + ECase(R_X86_64_GOT32) + ECase(R_X86_64_PLT32) + ECase(R_X86_64_COPY) + ECase(R_X86_64_GLOB_DAT) + ECase(R_X86_64_JUMP_SLOT) + ECase(R_X86_64_RELATIVE) + ECase(R_X86_64_GOTPCREL) + ECase(R_X86_64_32) + ECase(R_X86_64_32S) + ECase(R_X86_64_16) + ECase(R_X86_64_PC16) + ECase(R_X86_64_8) + ECase(R_X86_64_PC8) + ECase(R_X86_64_DTPMOD64) + ECase(R_X86_64_DTPOFF64) + ECase(R_X86_64_TPOFF64) + ECase(R_X86_64_TLSGD) + ECase(R_X86_64_TLSLD) + ECase(R_X86_64_DTPOFF32) + ECase(R_X86_64_GOTTPOFF) + ECase(R_X86_64_TPOFF32) + ECase(R_X86_64_PC64) + ECase(R_X86_64_GOTOFF64) + ECase(R_X86_64_GOTPC32) + ECase(R_X86_64_GOT64) + ECase(R_X86_64_GOTPCREL64) + ECase(R_X86_64_GOTPC64) + ECase(R_X86_64_GOTPLT64) + ECase(R_X86_64_PLTOFF64) + ECase(R_X86_64_SIZE32) + ECase(R_X86_64_SIZE64) + ECase(R_X86_64_GOTPC32_TLSDESC) + ECase(R_X86_64_TLSDESC_CALL) + ECase(R_X86_64_TLSDESC) + ECase(R_X86_64_IRELATIVE) + break; + case ELF::EM_MIPS: + ECase(R_MIPS_NONE) + ECase(R_MIPS_16) + ECase(R_MIPS_32) + ECase(R_MIPS_REL32) + ECase(R_MIPS_26) + ECase(R_MIPS_HI16) + ECase(R_MIPS_LO16) + ECase(R_MIPS_GPREL16) + ECase(R_MIPS_LITERAL) + ECase(R_MIPS_GOT16) + ECase(R_MIPS_PC16) + ECase(R_MIPS_CALL16) + ECase(R_MIPS_GPREL32) + ECase(R_MIPS_UNUSED1) + ECase(R_MIPS_UNUSED2) + ECase(R_MIPS_SHIFT5) + ECase(R_MIPS_SHIFT6) + ECase(R_MIPS_64) + ECase(R_MIPS_GOT_DISP) + ECase(R_MIPS_GOT_PAGE) + ECase(R_MIPS_GOT_OFST) + ECase(R_MIPS_GOT_HI16) + ECase(R_MIPS_GOT_LO16) + ECase(R_MIPS_SUB) + ECase(R_MIPS_INSERT_A) + ECase(R_MIPS_INSERT_B) + ECase(R_MIPS_DELETE) + ECase(R_MIPS_HIGHER) + ECase(R_MIPS_HIGHEST) + ECase(R_MIPS_CALL_HI16) + ECase(R_MIPS_CALL_LO16) + ECase(R_MIPS_SCN_DISP) + ECase(R_MIPS_REL16) + ECase(R_MIPS_ADD_IMMEDIATE) + ECase(R_MIPS_PJUMP) + ECase(R_MIPS_RELGOT) + ECase(R_MIPS_JALR) + ECase(R_MIPS_TLS_DTPMOD32) + ECase(R_MIPS_TLS_DTPREL32) + ECase(R_MIPS_TLS_DTPMOD64) + ECase(R_MIPS_TLS_DTPREL64) + ECase(R_MIPS_TLS_GD) + ECase(R_MIPS_TLS_LDM) + ECase(R_MIPS_TLS_DTPREL_HI16) + ECase(R_MIPS_TLS_DTPREL_LO16) + ECase(R_MIPS_TLS_GOTTPREL) + ECase(R_MIPS_TLS_TPREL32) + ECase(R_MIPS_TLS_TPREL64) + ECase(R_MIPS_TLS_TPREL_HI16) + ECase(R_MIPS_TLS_TPREL_LO16) + ECase(R_MIPS_GLOB_DAT) + ECase(R_MIPS_PC21_S2) + ECase(R_MIPS_PC26_S2) + ECase(R_MIPS_PC18_S3) + ECase(R_MIPS_PC19_S2) + ECase(R_MIPS_PCHI16) + ECase(R_MIPS_PCLO16) + ECase(R_MIPS16_GOT16) + ECase(R_MIPS16_HI16) + ECase(R_MIPS16_LO16) + ECase(R_MIPS_COPY) + ECase(R_MIPS_JUMP_SLOT) + ECase(R_MICROMIPS_26_S1) + ECase(R_MICROMIPS_HI16) + ECase(R_MICROMIPS_LO16) + ECase(R_MICROMIPS_GOT16) + ECase(R_MICROMIPS_PC16_S1) + ECase(R_MICROMIPS_CALL16) + ECase(R_MICROMIPS_GOT_DISP) + ECase(R_MICROMIPS_GOT_PAGE) + ECase(R_MICROMIPS_GOT_OFST) + ECase(R_MICROMIPS_TLS_GD) + ECase(R_MICROMIPS_TLS_LDM) + ECase(R_MICROMIPS_TLS_DTPREL_HI16) + ECase(R_MICROMIPS_TLS_DTPREL_LO16) + ECase(R_MICROMIPS_TLS_TPREL_HI16) + ECase(R_MICROMIPS_TLS_TPREL_LO16) + ECase(R_MIPS_NUM) + ECase(R_MIPS_PC32) + break; + case ELF::EM_HEXAGON: + ECase(R_HEX_NONE) + ECase(R_HEX_B22_PCREL) + ECase(R_HEX_B15_PCREL) + ECase(R_HEX_B7_PCREL) + ECase(R_HEX_LO16) + ECase(R_HEX_HI16) + ECase(R_HEX_32) + ECase(R_HEX_16) + ECase(R_HEX_8) + ECase(R_HEX_GPREL16_0) + ECase(R_HEX_GPREL16_1) + ECase(R_HEX_GPREL16_2) + ECase(R_HEX_GPREL16_3) + ECase(R_HEX_HL16) + ECase(R_HEX_B13_PCREL) + ECase(R_HEX_B9_PCREL) + ECase(R_HEX_B32_PCREL_X) + ECase(R_HEX_32_6_X) + ECase(R_HEX_B22_PCREL_X) + ECase(R_HEX_B15_PCREL_X) + ECase(R_HEX_B13_PCREL_X) + ECase(R_HEX_B9_PCREL_X) + ECase(R_HEX_B7_PCREL_X) + ECase(R_HEX_16_X) + ECase(R_HEX_12_X) + ECase(R_HEX_11_X) + ECase(R_HEX_10_X) + ECase(R_HEX_9_X) + ECase(R_HEX_8_X) + ECase(R_HEX_7_X) + ECase(R_HEX_6_X) + ECase(R_HEX_32_PCREL) + ECase(R_HEX_COPY) + ECase(R_HEX_GLOB_DAT) + ECase(R_HEX_JMP_SLOT) + ECase(R_HEX_RELATIVE) + ECase(R_HEX_PLT_B22_PCREL) + ECase(R_HEX_GOTREL_LO16) + ECase(R_HEX_GOTREL_HI16) + ECase(R_HEX_GOTREL_32) + ECase(R_HEX_GOT_LO16) + ECase(R_HEX_GOT_HI16) + ECase(R_HEX_GOT_32) + ECase(R_HEX_GOT_16) + ECase(R_HEX_DTPMOD_32) + ECase(R_HEX_DTPREL_LO16) + ECase(R_HEX_DTPREL_HI16) + ECase(R_HEX_DTPREL_32) + ECase(R_HEX_DTPREL_16) + ECase(R_HEX_GD_PLT_B22_PCREL) + ECase(R_HEX_GD_GOT_LO16) + ECase(R_HEX_GD_GOT_HI16) + ECase(R_HEX_GD_GOT_32) + ECase(R_HEX_GD_GOT_16) + ECase(R_HEX_IE_LO16) + ECase(R_HEX_IE_HI16) + ECase(R_HEX_IE_32) + ECase(R_HEX_IE_GOT_LO16) + ECase(R_HEX_IE_GOT_HI16) + ECase(R_HEX_IE_GOT_32) + ECase(R_HEX_IE_GOT_16) + ECase(R_HEX_TPREL_LO16) + ECase(R_HEX_TPREL_HI16) + ECase(R_HEX_TPREL_32) + ECase(R_HEX_TPREL_16) + ECase(R_HEX_6_PCREL_X) + ECase(R_HEX_GOTREL_32_6_X) + ECase(R_HEX_GOTREL_16_X) + ECase(R_HEX_GOTREL_11_X) + ECase(R_HEX_GOT_32_6_X) + ECase(R_HEX_GOT_16_X) + ECase(R_HEX_GOT_11_X) + ECase(R_HEX_DTPREL_32_6_X) + ECase(R_HEX_DTPREL_16_X) + ECase(R_HEX_DTPREL_11_X) + ECase(R_HEX_GD_GOT_32_6_X) + ECase(R_HEX_GD_GOT_16_X) + ECase(R_HEX_GD_GOT_11_X) + ECase(R_HEX_IE_32_6_X) + ECase(R_HEX_IE_16_X) + ECase(R_HEX_IE_GOT_32_6_X) + ECase(R_HEX_IE_GOT_16_X) + ECase(R_HEX_IE_GOT_11_X) + ECase(R_HEX_TPREL_32_6_X) + ECase(R_HEX_TPREL_16_X) + ECase(R_HEX_TPREL_11_X) + break; + case ELF::EM_386: + ECase(R_386_NONE) + ECase(R_386_32) + ECase(R_386_PC32) + ECase(R_386_GOT32) + ECase(R_386_PLT32) + ECase(R_386_COPY) + ECase(R_386_GLOB_DAT) + ECase(R_386_JUMP_SLOT) + ECase(R_386_RELATIVE) + ECase(R_386_GOTOFF) + ECase(R_386_GOTPC) + ECase(R_386_32PLT) + ECase(R_386_TLS_TPOFF) + ECase(R_386_TLS_IE) + ECase(R_386_TLS_GOTIE) + ECase(R_386_TLS_LE) + ECase(R_386_TLS_GD) + ECase(R_386_TLS_LDM) + ECase(R_386_16) + ECase(R_386_PC16) + ECase(R_386_8) + ECase(R_386_PC8) + ECase(R_386_TLS_GD_32) + ECase(R_386_TLS_GD_PUSH) + ECase(R_386_TLS_GD_CALL) + ECase(R_386_TLS_GD_POP) + ECase(R_386_TLS_LDM_32) + ECase(R_386_TLS_LDM_PUSH) + ECase(R_386_TLS_LDM_CALL) + ECase(R_386_TLS_LDM_POP) + ECase(R_386_TLS_LDO_32) + ECase(R_386_TLS_IE_32) + ECase(R_386_TLS_LE_32) + ECase(R_386_TLS_DTPMOD32) + ECase(R_386_TLS_DTPOFF32) + ECase(R_386_TLS_TPOFF32) + ECase(R_386_TLS_GOTDESC) + ECase(R_386_TLS_DESC_CALL) + ECase(R_386_TLS_DESC) + ECase(R_386_IRELATIVE) + ECase(R_386_NUM) + break; + default: + llvm_unreachable("Unsupported architecture"); + } +#undef ECase +} + void MappingTraits<ELFYAML::FileHeader>::mapping(IO &IO, ELFYAML::FileHeader &FileHdr) { IO.mapRequired("Class", FileHdr.Class); @@ -299,6 +665,7 @@ void MappingTraits<ELFYAML::FileHeader>::mapping(IO &IO, IO.mapOptional("OSABI", FileHdr.OSABI, ELFYAML::ELF_ELFOSABI(0)); IO.mapRequired("Type", FileHdr.Type); IO.mapRequired("Machine", FileHdr.Machine); + IO.mapOptional("Flags", FileHdr.Flags, ELFYAML::ELF_EF(0)); IO.mapOptional("Entry", FileHdr.Entry, Hex64(0)); } @@ -308,6 +675,7 @@ void MappingTraits<ELFYAML::Symbol>::mapping(IO &IO, ELFYAML::Symbol &Symbol) { IO.mapOptional("Section", Symbol.Section, StringRef()); IO.mapOptional("Value", Symbol.Value, Hex64(0)); IO.mapOptional("Size", Symbol.Size, Hex64(0)); + IO.mapOptional("Visibility", Symbol.Visibility, ELFYAML::ELF_STV(0)); } void MappingTraits<ELFYAML::LocalGlobalWeakSymbols>::mapping( @@ -317,21 +685,72 @@ void MappingTraits<ELFYAML::LocalGlobalWeakSymbols>::mapping( IO.mapOptional("Weak", Symbols.Weak); } -void MappingTraits<ELFYAML::Section>::mapping(IO &IO, - ELFYAML::Section &Section) { +static void commonSectionMapping(IO &IO, ELFYAML::Section &Section) { IO.mapOptional("Name", Section.Name, StringRef()); IO.mapRequired("Type", Section.Type); IO.mapOptional("Flags", Section.Flags, ELFYAML::ELF_SHF(0)); IO.mapOptional("Address", Section.Address, Hex64(0)); - IO.mapOptional("Content", Section.Content); - IO.mapOptional("Link", Section.Link); + IO.mapOptional("Link", Section.Link, StringRef()); IO.mapOptional("AddressAlign", Section.AddressAlign, Hex64(0)); } +static void sectionMapping(IO &IO, ELFYAML::RawContentSection &Section) { + commonSectionMapping(IO, Section); + IO.mapOptional("Content", Section.Content); + IO.mapOptional("Size", Section.Size, Hex64(Section.Content.binary_size())); +} + +static void sectionMapping(IO &IO, ELFYAML::RelocationSection &Section) { + commonSectionMapping(IO, Section); + IO.mapOptional("Info", Section.Info, StringRef()); + IO.mapOptional("Relocations", Section.Relocations); +} + +void MappingTraits<std::unique_ptr<ELFYAML::Section>>::mapping( + IO &IO, std::unique_ptr<ELFYAML::Section> &Section) { + ELFYAML::ELF_SHT sectionType; + if (IO.outputting()) + sectionType = Section->Type; + else + IO.mapRequired("Type", sectionType); + + switch (sectionType) { + case ELF::SHT_REL: + case ELF::SHT_RELA: + if (!IO.outputting()) + Section.reset(new ELFYAML::RelocationSection()); + sectionMapping(IO, *cast<ELFYAML::RelocationSection>(Section.get())); + break; + default: + if (!IO.outputting()) + Section.reset(new ELFYAML::RawContentSection()); + sectionMapping(IO, *cast<ELFYAML::RawContentSection>(Section.get())); + } +} + +StringRef MappingTraits<std::unique_ptr<ELFYAML::Section>>::validate( + IO &io, std::unique_ptr<ELFYAML::Section> &Section) { + const auto *RawSection = dyn_cast<ELFYAML::RawContentSection>(Section.get()); + if (!RawSection || RawSection->Size >= RawSection->Content.binary_size()) + return StringRef(); + return "Section size must be greater or equal to the content size"; +} + +void MappingTraits<ELFYAML::Relocation>::mapping(IO &IO, + ELFYAML::Relocation &Rel) { + IO.mapRequired("Offset", Rel.Offset); + IO.mapRequired("Symbol", Rel.Symbol); + IO.mapRequired("Type", Rel.Type); + IO.mapOptional("Addend", Rel.Addend); +} + void MappingTraits<ELFYAML::Object>::mapping(IO &IO, ELFYAML::Object &Object) { + assert(!IO.getContext() && "The IO context is initialized already"); + IO.setContext(&Object); IO.mapRequired("FileHeader", Object.Header); IO.mapOptional("Sections", Object.Sections); IO.mapOptional("Symbols", Object.Symbols); + IO.setContext(nullptr); } } // end namespace yaml |