38using namespace object;
48 {
"Unknown",
"<unknown>: 7", 7},
49 {
"Unknown",
"<unknown>: 8", 8},
50 {
"Unknown",
"<unknown>: 9", 9},
52 {
"OS Specific",
"<OS specific>: 11", 11},
53 {
"OS Specific",
"<OS specific>: 12", 12},
54 {
"Proc Specific",
"<processor specific>: 13", 13},
55 {
"Proc Specific",
"<processor specific>: 14", 14},
56 {
"Proc Specific",
"<processor specific>: 15", 15}
66 if (
Error E = Ret.takeError())
68 return std::make_unique<ELFObjectFile<ELFT>>(std::move(*Ret));
73 std::pair<unsigned char, unsigned char> Ident =
75 std::size_t MaxAlignment =
84 return createPtr<ELF32LE>(Obj, InitContent);
86 return createPtr<ELF32BE>(Obj, InitContent);
91 return createPtr<ELF64LE>(Obj, InitContent);
93 return createPtr<ELF64BE>(Obj, InitContent);
170 std::optional<unsigned> Attr =
303 std::optional<StringRef> Attr =
308 return ParseResult.takeError();
309 auto &ISAInfo = *ParseResult;
311 if (ISAInfo->getXLen() == 32)
313 else if (ISAInfo->getXLen() == 64)
345 return getMIPSFeatures();
347 return getARMFeatures();
349 return getRISCVFeatures();
351 return getLoongArchFeatures();
360 return getAMDGPUCPUName();
369StringRef ELFObjectFileBase::getAMDGPUCPUName()
const {
533 std::optional<unsigned> Attr =
565 std::optional<unsigned> ArchProfileAttr =
567 if (ArchProfileAttr &&
615 uint32_t JumpSlotReloc = 0, GlobDatReloc = 0;
618 JumpSlotReloc = ELF::R_386_JUMP_SLOT;
619 GlobDatReloc = ELF::R_386_GLOB_DAT;
622 JumpSlotReloc = ELF::R_X86_64_JUMP_SLOT;
623 GlobDatReloc = ELF::R_X86_64_GLOB_DAT;
627 JumpSlotReloc = ELF::R_AARCH64_JUMP_SLOT;
632 std::unique_ptr<const MCInstrInfo> MII(
T->createMCInstrInfo());
633 std::unique_ptr<const MCInstrAnalysis> MIA(
634 T->createMCInstrAnalysis(MII.get()));
637 std::vector<std::pair<uint64_t, uint64_t>> PltEntries;
638 std::optional<SectionRef> RelaPlt, RelaDyn;
648 if (
Name ==
".rela.plt" ||
Name ==
".rel.plt") {
650 }
else if (
Name ==
".rela.dyn" ||
Name ==
".rel.dyn") {
652 }
else if (
Name ==
".got.plt") {
653 GotBaseVA = Section.getAddress();
654 }
else if (
Name ==
".plt" ||
Name ==
".plt.got") {
662 MIA->findPltEntries(Section.getAddress(),
663 arrayRefFromStringRef(*PltContents),
Triple));
669 for (
auto [Plt, GotPlt] : PltEntries) {
675 GotPltEntry =
static_cast<int32_t
>(GotPltEntry) + GotBaseVA;
676 GotToPlt.
insert(std::make_pair(GotPltEntry, Plt));
681 std::vector<ELFPltEntry> Result;
684 for (
const auto &R : Rels) {
685 if (R.getType() != RelType)
687 auto PltEntryIter = GotToPlt.
find(R.getOffset());
688 if (PltEntryIter != GotToPlt.
end()) {
692 ELFPltEntry{PltSec, std::nullopt, PltEntryIter->second});
695 PltEntryIter->second});
701 handleRels(RelaPlt->relocations(), JumpSlotReloc,
".plt");
706 handleRels(RelaDyn->relocations(), GlobDatReloc,
".plt.got");
713 const ELFFile<ELFT> &EF, std::optional<unsigned> TextSectionIndex) {
714 using Elf_Shdr =
typename ELFT::Shdr;
716 std::vector<BBAddrMap> BBAddrMaps;
723 if (!TextSectionIndex)
727 return createError(
"unable to get the linked-to section for " +
730 if (*TextSectionIndex != std::distance(Sections.begin(), *TextSecOrErr))
737 if (!SectionRelocMapOrErr)
740 for (
auto const &[Sec, RelocSec] : *SectionRelocMapOrErr) {
741 if (IsRelocatable && !RelocSec)
742 return createError(
"unable to get relocation section for " +
749 std::move(BBAddrMapOrErr->begin(), BBAddrMapOrErr->end(),
750 std::back_inserter(BBAddrMaps));
759 using Elf_Shdr =
typename ELFT::Shdr;
760 const Elf_Shdr *VerSec =
nullptr;
761 const Elf_Shdr *VerNeedSec =
nullptr;
762 const Elf_Shdr *VerDefSec =
nullptr;
773 return std::vector<VersionEntry>();
780 std::vector<VersionEntry> Ret;
785 EF.template getEntry<typename ELFT::Versym>(*VerSec,
I);
788 " from " +
describe(EF, *VerSec) +
": " +
793 return createError(
"unable to read flags for symbol with index " +
798 (*VerEntryOrErr)->vs_index, IsDefault, *MapOrErr,
802 " of " +
describe(EF, *VerSec) +
": " +
805 Ret.push_back({(*VerOrErr).str(), IsDefault});
814 if (
const auto *Obj = dyn_cast<ELF32LEObjectFile>(
this))
816 if (
const auto *Obj = dyn_cast<ELF32BEObjectFile>(
this))
818 if (
const auto *Obj = dyn_cast<ELF64LEObjectFile>(
this))
825 std::optional<unsigned> TextSectionIndex)
const {
826 if (
const auto *Obj = dyn_cast<ELF32LEObjectFile>(
this))
828 if (
const auto *Obj = dyn_cast<ELF64LEObjectFile>(
this))
830 if (
const auto *Obj = dyn_cast<ELF32BEObjectFile>(
this))
static GCRegistry::Add< CoreCLRGC > E("coreclr", "CoreCLR-compatible GC")
static Expected< std::unique_ptr< ELFObjectFile< ELFT > > > createPtr(MemoryBufferRef Object, bool InitContent)
static Expected< std::vector< BBAddrMap > > readBBAddrMapImpl(const ELFFile< ELFT > &EF, std::optional< unsigned > TextSectionIndex)
static Expected< std::vector< VersionEntry > > readDynsymVersionsImpl(const ELFFile< ELFT > &EF, ELFObjectFileBase::elf_symbol_iterator_range Symbols)
assert(ImpDefSCC.getReg()==AMDGPU::SCC &&ImpDefSCC.isDef())
iterator find(const_arg_type_t< KeyT > Val)
std::pair< iterator, bool > insert(const std::pair< KeyT, ValueT > &KV)
Lightweight error class with error context and mandatory checking.
Tagged union holding either a T or a Error.
Error takeError()
Take ownership of the stored error.
const char * getBufferStart() const
StringRef getBuffer() const
static llvm::Expected< std::unique_ptr< RISCVISAInfo > > parseNormalizedArchString(StringRef Arch)
Parse RISC-V ISA info from an arch string that is already in normalized form (as defined in the psABI...
StringRef - Represent a constant reference to a string, i.e.
Manages the enabling and disabling of subtarget specific features.
void AddFeature(StringRef String, bool Enable=true)
Adds Features.
void addFeaturesVector(const ArrayRef< std::string > OtherFeatures)
Triple - Helper class for working with autoconf configuration names.
void setArchName(StringRef Str)
Set the architecture (first) component of the triple by name.
bool isThumb() const
Tests whether the target is Thumb (little and big endian).
SubArchType getSubArch() const
get the parsed subarchitecture type for this triple.
ArchType getArch() const
Get the parsed architecture type of this triple.
const std::string & str() const
Twine - A lightweight data structure for efficiently representing the concatenation of temporary valu...
The instances of the Type class are immutable: once they are created, they are never changed.
A range adaptor for a pair of iterators.
bool isLittleEndian() const
const Elf_Ehdr & getHeader() const
Expected< std::vector< BBAddrMap > > decodeBBAddrMap(const Elf_Shdr &Sec, const Elf_Shdr *RelaSec=nullptr) const
Returns a vector of BBAddrMap structs corresponding to each function within the text section that the...
Expected< StringRef > getSymbolVersionByIndex(uint32_t SymbolVersionIndex, bool &IsDefault, SmallVector< std::optional< VersionEntry >, 0 > &VersionMap, std::optional< bool > IsSymHidden) const
Expected< Elf_Shdr_Range > sections() const
Expected< MapVector< const Elf_Shdr *, const Elf_Shdr * > > getSectionAndRelocations(std::function< Expected< bool >(const Elf_Shdr &)> IsMatch) const
Returns a map from every section matching IsMatch to its relocation section, or nullptr if it has no ...
Expected< SmallVector< std::optional< VersionEntry >, 0 > > loadVersionMap(const Elf_Shdr *VerNeedSec, const Elf_Shdr *VerDefSec) const
Expected< const Elf_Shdr * > getSection(const Elf_Sym &Sym, const Elf_Shdr *SymTab, DataRegion< Elf_Word > ShndxTable) const
Expected< std::vector< BBAddrMap > > readBBAddrMap(std::optional< unsigned > TextSectionIndex=std::nullopt) const
Returns a vector of all BB address maps in the object file. When.
virtual Error getBuildAttributes(ELFAttributeParser &Attributes) const =0
Expected< std::vector< VersionEntry > > readDynsymVersions() const
Returns a vector containing a symbol version for each dynamic symbol.
virtual elf_symbol_iterator_range getDynamicSymbolIterators() const =0
std::vector< ELFPltEntry > getPltEntries() const
Expected< SubtargetFeatures > getFeatures() const override
std::optional< StringRef > tryGetCPUName() const override
virtual uint16_t getEMachine() const =0
virtual unsigned getPlatformFlags() const =0
Returns platform-specific object flags, if any.
ELFObjectFileBase(unsigned int Type, MemoryBufferRef Source)
void setARMSubArch(Triple &TheTriple) const override
static Expected< ELFObjectFile< ELFT > > create(MemoryBufferRef Object, bool InitContent=true)
This class is the base class for all object file types.
static Expected< std::unique_ptr< ObjectFile > > createELFObjectFile(MemoryBufferRef Object, bool InitContent=true)
Triple makeTriple() const
Create a triple from the data in this object file.
section_iterator_range sections() const
This is a value type class that represents a single section in the list of sections in the object fil...
virtual basic_symbol_iterator symbol_end() const =0
#define llvm_unreachable(msg)
Marks that the current location is not supposed to be reachable.
@ AllowMVEIntegerAndFloat
@ SHT_LLVM_BB_ADDR_MAP_V0
@ EF_AMDGPU_MACH_AMDGCN_GFX703
@ EF_AMDGPU_MACH_AMDGCN_GFX1035
@ EF_AMDGPU_MACH_AMDGCN_GFX1031
@ EF_AMDGPU_MACH_R600_CAYMAN
@ EF_AMDGPU_MACH_AMDGCN_GFX704
@ EF_AMDGPU_MACH_AMDGCN_GFX902
@ EF_AMDGPU_MACH_AMDGCN_GFX810
@ EF_AMDGPU_MACH_AMDGCN_GFX1036
@ EF_AMDGPU_MACH_AMDGCN_GFX1102
@ EF_AMDGPU_MACH_R600_RV730
@ EF_AMDGPU_MACH_R600_RV710
@ EF_AMDGPU_MACH_AMDGCN_GFX908
@ EF_AMDGPU_MACH_AMDGCN_GFX1011
@ EF_AMDGPU_MACH_R600_CYPRESS
@ EF_AMDGPU_MACH_AMDGCN_GFX1032
@ EF_AMDGPU_MACH_R600_R600
@ EF_AMDGPU_MACH_AMDGCN_GFX940
@ EF_AMDGPU_MACH_AMDGCN_GFX941
@ EF_AMDGPU_MACH_R600_TURKS
@ EF_AMDGPU_MACH_R600_JUNIPER
@ EF_AMDGPU_MACH_AMDGCN_GFX601
@ EF_AMDGPU_MACH_AMDGCN_GFX942
@ EF_AMDGPU_MACH_R600_R630
@ EF_AMDGPU_MACH_R600_REDWOOD
@ EF_AMDGPU_MACH_R600_RV770
@ EF_AMDGPU_MACH_AMDGCN_GFX600
@ EF_AMDGPU_MACH_AMDGCN_GFX602
@ EF_AMDGPU_MACH_AMDGCN_GFX1101
@ EF_AMDGPU_MACH_AMDGCN_GFX1100
@ EF_AMDGPU_MACH_AMDGCN_GFX1033
@ EF_AMDGPU_MACH_AMDGCN_GFX801
@ EF_AMDGPU_MACH_AMDGCN_GFX705
@ EF_AMDGPU_MACH_AMDGCN_GFX1010
@ EF_AMDGPU_MACH_R600_RV670
@ EF_AMDGPU_MACH_AMDGCN_GFX701
@ EF_AMDGPU_MACH_AMDGCN_GFX1012
@ EF_AMDGPU_MACH_AMDGCN_GFX1151
@ EF_AMDGPU_MACH_AMDGCN_GFX1030
@ EF_AMDGPU_MACH_R600_CEDAR
@ EF_AMDGPU_MACH_AMDGCN_GFX700
@ EF_AMDGPU_MACH_AMDGCN_GFX803
@ EF_AMDGPU_MACH_AMDGCN_GFX802
@ EF_AMDGPU_MACH_AMDGCN_GFX90C
@ EF_AMDGPU_MACH_AMDGCN_GFX900
@ EF_AMDGPU_MACH_AMDGCN_GFX909
@ EF_AMDGPU_MACH_AMDGCN_GFX906
@ EF_AMDGPU_MACH_AMDGCN_GFX1103
@ EF_AMDGPU_MACH_R600_CAICOS
@ EF_AMDGPU_MACH_AMDGCN_GFX90A
@ EF_AMDGPU_MACH_AMDGCN_GFX1034
@ EF_AMDGPU_MACH_AMDGCN_GFX1013
@ EF_AMDGPU_MACH_AMDGCN_GFX904
@ EF_AMDGPU_MACH_R600_RS880
@ EF_AMDGPU_MACH_AMDGCN_GFX805
@ EF_AMDGPU_MACH_AMDGCN_GFX1150
@ EF_AMDGPU_MACH_R600_SUMO
@ EF_AMDGPU_MACH_R600_BARTS
@ EF_AMDGPU_MACH_AMDGCN_GFX702
@ EF_LOONGARCH_ABI_SINGLE_FLOAT
@ EF_LOONGARCH_ABI_DOUBLE_FLOAT
@ EF_LOONGARCH_ABI_SOFT_FLOAT
@ EF_LOONGARCH_ABI_MODIFIER_MASK
std::optional< const char * > toString(const std::optional< DWARFFormValue > &V)
Take an optional DWARFFormValue and try to extract a string value from it.
Error createError(const Twine &Err)
constexpr int NumElfSymbolTypes
static std::string describe(const ELFFile< ELFT > &Obj, const typename ELFT::Shdr &Sec)
std::pair< unsigned char, unsigned char > getElfArchType(StringRef Object)
const llvm::EnumEntry< unsigned > ElfSymbolTypes[NumElfSymbolTypes]
This is an optimization pass for GlobalISel generic memory operations.
void append_range(Container &C, Range &&R)
Wrapper function to append a range to a container.
int countr_zero(T Val)
Count number of 0's from the least significant bit to the most stopping at the first 1.
void cantFail(Error Err, const char *Msg=nullptr)
Report a fatal error if Err is a failure value.
void consumeError(Error Err)
Consume a Error without doing anything.
static const Target * lookupTarget(StringRef Triple, std::string &Error)
lookupTarget - Lookup a target based on a target triple.