//===----------------------------------------------------------------------===//
#include "llvm/Object/ELFYAML.h"
+#include "llvm/Support/Casting.h"
namespace llvm {
+
+ELFYAML::Section::~Section() {}
+
namespace yaml {
void
#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_NAN2008)
+ 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)
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
}
#define BCase(X) IO.bitSetCase(Value, #X, ELF::X);
BCase(SHF_WRITE)
BCase(SHF_ALLOC)
+ BCase(SHF_EXCLUDE)
BCase(SHF_EXECINSTR)
BCase(SHF_MERGE)
BCase(SHF_STRINGS)
#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 ScalarBitSetTraits<ELFYAML::ELF_STO>::bitset(IO &IO,
+ ELFYAML::ELF_STO &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);
+ switch (Object->Header.Machine) {
+ case ELF::EM_MIPS:
+ BCase(STO_MIPS_OPTIONAL)
+ BCase(STO_MIPS_PLT)
+ BCase(STO_MIPS_PIC)
+ BCase(STO_MIPS_MICROMIPS)
+ break;
+ default:
+ break; // Nothing to do
+ }
+#undef BCase
+#undef BCaseMask
+}
+
+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 ELF_RELOC(X, Y) IO.enumCase(Value, #X, ELF::X);
+ switch (Object->Header.Machine) {
+ case ELF::EM_X86_64:
+#include "llvm/Support/ELFRelocs/x86_64.def"
+ break;
+ case ELF::EM_MIPS:
+#include "llvm/Support/ELFRelocs/Mips.def"
+ break;
+ case ELF::EM_HEXAGON:
+#include "llvm/Support/ELFRelocs/Hexagon.def"
+ break;
+ case ELF::EM_386:
+#include "llvm/Support/ELFRelocs/i386.def"
+ break;
+ case ELF::EM_AARCH64:
+#include "llvm/Support/ELFRelocs/AArch64.def"
+ break;
+ case ELF::EM_ARM:
+#include "llvm/Support/ELFRelocs/ARM.def"
+ break;
+ default:
+ llvm_unreachable("Unsupported architecture");
+ }
+#undef ELF_RELOC
+}
+
void MappingTraits<ELFYAML::FileHeader>::mapping(IO &IO,
ELFYAML::FileHeader &FileHdr) {
IO.mapRequired("Class", FileHdr.Class);
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));
}
+namespace {
+struct NormalizedOther {
+ NormalizedOther(IO &)
+ : Visibility(ELFYAML::ELF_STV(0)), Other(ELFYAML::ELF_STO(0)) {}
+ NormalizedOther(IO &, uint8_t Original)
+ : Visibility(Original & 0x3), Other(Original & ~0x3) {}
+
+ uint8_t denormalize(IO &) { return Visibility | Other; }
+
+ ELFYAML::ELF_STV Visibility;
+ ELFYAML::ELF_STO Other;
+};
+}
+
void MappingTraits<ELFYAML::Symbol>::mapping(IO &IO, ELFYAML::Symbol &Symbol) {
IO.mapOptional("Name", Symbol.Name, StringRef());
IO.mapOptional("Type", Symbol.Type, ELFYAML::ELF_STT(0));
IO.mapOptional("Section", Symbol.Section, StringRef());
IO.mapOptional("Value", Symbol.Value, Hex64(0));
IO.mapOptional("Size", Symbol.Size, Hex64(0));
+
+ MappingNormalization<NormalizedOther, uint8_t> Keys(IO, Symbol.Other);
+ IO.mapOptional("Visibility", Keys->Visibility, ELFYAML::ELF_STV(0));
+ IO.mapOptional("Other", Keys->Other, ELFYAML::ELF_STO(0));
}
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
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