39using namespace object;
49 {
"Unknown",
"<unknown>: 7", 7},
50 {
"Unknown",
"<unknown>: 8", 8},
51 {
"Unknown",
"<unknown>: 9", 9},
53 {
"OS Specific",
"<OS specific>: 11", 11},
54 {
"OS Specific",
"<OS specific>: 12", 12},
55 {
"Proc Specific",
"<processor specific>: 13", 13},
56 {
"Proc Specific",
"<processor specific>: 14", 14},
57 {
"Proc Specific",
"<processor specific>: 15", 15}
67 if (
Error E = Ret.takeError())
69 return std::make_unique<ELFObjectFile<ELFT>>(std::move(*Ret));
74 std::pair<unsigned char, unsigned char> Ident =
76 std::size_t MaxAlignment =
85 return createPtr<ELF32LE>(Obj, InitContent);
87 return createPtr<ELF32BE>(Obj, InitContent);
92 return createPtr<ELF64LE>(Obj, InitContent);
94 return createPtr<ELF64BE>(Obj, InitContent);
171 std::optional<unsigned> Attr =
327 std::optional<unsigned> Attr;
330 if (std::optional<std::string> FeatureString =
336 std::optional<std::string> FeatureString =
339 if (FeatureString && *Attr >= 60)
379 std::optional<StringRef> Attr =
384 return ParseResult.takeError();
385 auto &ISAInfo = *ParseResult;
387 if (ISAInfo->getXLen() == 32)
389 else if (ISAInfo->getXLen() == 64)
421 return getMIPSFeatures();
423 return getARMFeatures();
425 return getRISCVFeatures();
427 return getLoongArchFeatures();
429 return getHexagonFeatures();
438 return getAMDGPUCPUName();
440 return getNVPTXCPUName();
449StringRef ELFObjectFileBase::getAMDGPUCPUName()
const {
598 return "gfx9-generic";
600 return "gfx10-1-generic";
602 return "gfx10-3-generic";
604 return "gfx11-generic";
610StringRef ELFObjectFileBase::getNVPTXCPUName()
const {
696 std::optional<unsigned> Attr =
728 std::optional<unsigned> ArchProfileAttr =
730 if (ArchProfileAttr &&
778 uint32_t JumpSlotReloc = 0, GlobDatReloc = 0;
781 JumpSlotReloc = ELF::R_386_JUMP_SLOT;
782 GlobDatReloc = ELF::R_386_GLOB_DAT;
785 JumpSlotReloc = ELF::R_X86_64_JUMP_SLOT;
786 GlobDatReloc = ELF::R_X86_64_GLOB_DAT;
790 JumpSlotReloc = ELF::R_AARCH64_JUMP_SLOT;
795 std::unique_ptr<const MCInstrInfo> MII(
T->createMCInstrInfo());
796 std::unique_ptr<const MCInstrAnalysis> MIA(
797 T->createMCInstrAnalysis(MII.get()));
800 std::vector<std::pair<uint64_t, uint64_t>> PltEntries;
801 std::optional<SectionRef> RelaPlt, RelaDyn;
811 if (
Name ==
".rela.plt" ||
Name ==
".rel.plt") {
813 }
else if (
Name ==
".rela.dyn" ||
Name ==
".rel.dyn") {
815 }
else if (
Name ==
".got.plt") {
816 GotBaseVA = Section.getAddress();
817 }
else if (
Name ==
".plt" ||
Name ==
".plt.got") {
825 MIA->findPltEntries(Section.getAddress(),
826 arrayRefFromStringRef(*PltContents),
Triple));
832 for (
auto [Plt, GotPlt] : PltEntries) {
838 GotPltEntry =
static_cast<int32_t
>(GotPltEntry) + GotBaseVA;
839 GotToPlt.
insert(std::make_pair(GotPltEntry, Plt));
844 std::vector<ELFPltEntry> Result;
847 for (
const auto &R : Rels) {
848 if (R.getType() != RelType)
850 auto PltEntryIter = GotToPlt.
find(R.getOffset());
851 if (PltEntryIter != GotToPlt.
end()) {
855 ELFPltEntry{PltSec, std::nullopt, PltEntryIter->second});
858 PltEntryIter->second});
864 handleRels(RelaPlt->relocations(), JumpSlotReloc,
".plt");
869 handleRels(RelaDyn->relocations(), GlobDatReloc,
".plt.got");
876 const ELFFile<ELFT> &EF, std::optional<unsigned> TextSectionIndex,
877 std::vector<PGOAnalysisMap> *PGOAnalyses) {
878 using Elf_Shdr =
typename ELFT::Shdr;
880 std::vector<BBAddrMap> BBAddrMaps;
882 PGOAnalyses->clear();
889 if (!TextSectionIndex)
893 return createError(
"unable to get the linked-to section for " +
896 assert(*TextSecOrErr >= Sections.begin() &&
897 "Text section pointer outside of bounds");
898 if (*TextSectionIndex !=
899 (
unsigned)std::distance(Sections.begin(), *TextSecOrErr))
906 if (!SectionRelocMapOrErr)
909 for (
auto const &[Sec, RelocSec] : *SectionRelocMapOrErr) {
910 if (IsRelocatable && !RelocSec)
911 return createError(
"unable to get relocation section for " +
915 if (!BBAddrMapOrErr) {
917 PGOAnalyses->clear();
921 std::move(BBAddrMapOrErr->begin(), BBAddrMapOrErr->end(),
922 std::back_inserter(BBAddrMaps));
925 assert(PGOAnalyses->size() == BBAddrMaps.size() &&
926 "The same number of BBAddrMaps and PGOAnalysisMaps should be "
927 "returned when PGO information is requested");
935 using Elf_Shdr =
typename ELFT::Shdr;
936 const Elf_Shdr *VerSec =
nullptr;
937 const Elf_Shdr *VerNeedSec =
nullptr;
938 const Elf_Shdr *VerDefSec =
nullptr;
949 return std::vector<VersionEntry>();
956 std::vector<VersionEntry> Ret;
961 EF.template getEntry<typename ELFT::Versym>(*VerSec,
I);
964 " from " +
describe(EF, *VerSec) +
": " +
969 return createError(
"unable to read flags for symbol with index " +
974 (*VerEntryOrErr)->vs_index, IsDefault, *MapOrErr,
978 " of " +
describe(EF, *VerSec) +
": " +
981 Ret.push_back({(*VerOrErr).str(), IsDefault});
990 if (
const auto *Obj = dyn_cast<ELF32LEObjectFile>(
this))
992 if (
const auto *Obj = dyn_cast<ELF32BEObjectFile>(
this))
994 if (
const auto *Obj = dyn_cast<ELF64LEObjectFile>(
this))
1001 std::optional<unsigned> TextSectionIndex,
1002 std::vector<PGOAnalysisMap> *PGOAnalyses)
const {
1003 if (
const auto *Obj = dyn_cast<ELF32LEObjectFile>(
this))
1005 if (
const auto *Obj = dyn_cast<ELF64LEObjectFile>(
this))
1007 if (
const auto *Obj = dyn_cast<ELF32BEObjectFile>(
this))
1010 TextSectionIndex, PGOAnalyses);
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, std::vector< PGOAnalysisMap > *PGOAnalyses)
static std::optional< std::string > hexagonAttrToFeatureString(unsigned Attr)
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, std::vector< PGOAnalysisMap > *PGOAnalyses=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
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
Expected< std::vector< BBAddrMap > > readBBAddrMap(std::optional< unsigned > TextSectionIndex=std::nullopt, std::vector< PGOAnalysisMap > *PGOAnalyses=nullptr) const
Returns a vector of all BB address maps in the object file.
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
@ EF_LOONGARCH_ABI_SINGLE_FLOAT
@ EF_LOONGARCH_ABI_DOUBLE_FLOAT
@ EF_LOONGARCH_ABI_SOFT_FLOAT
@ EF_LOONGARCH_ABI_MODIFIER_MASK
@ 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_GFX10_3_GENERIC
@ EF_AMDGPU_MACH_AMDGCN_GFX1012
@ EF_AMDGPU_MACH_AMDGCN_GFX1151
@ EF_AMDGPU_MACH_AMDGCN_GFX1030
@ EF_AMDGPU_MACH_R600_CEDAR
@ EF_AMDGPU_MACH_AMDGCN_GFX1200
@ EF_AMDGPU_MACH_AMDGCN_GFX700
@ EF_AMDGPU_MACH_AMDGCN_GFX11_GENERIC
@ 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_GFX9_GENERIC
@ 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_GFX10_1_GENERIC
@ EF_AMDGPU_MACH_AMDGCN_GFX904
@ EF_AMDGPU_MACH_R600_RS880
@ EF_AMDGPU_MACH_AMDGCN_GFX805
@ EF_AMDGPU_MACH_AMDGCN_GFX1201
@ EF_AMDGPU_MACH_AMDGCN_GFX1150
@ EF_AMDGPU_MACH_R600_SUMO
@ EF_AMDGPU_MACH_R600_BARTS
@ EF_AMDGPU_MACH_AMDGCN_GFX702
@ SHT_LLVM_BB_ADDR_MAP_V0
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 range R to container C.
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.