LLVM
8.0.1
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Collects and handles dwarf debug information. More...
#include "CodeGen/AsmPrinter/DwarfDebug.h"
Public Member Functions | |
DwarfDebug (AsmPrinter *A, Module *M) | |
~DwarfDebug () override | |
void | beginModule () |
Emit all Dwarf sections that should come prior to the content. More... | |
void | endModule () override |
Emit all Dwarf sections that should come after the content. More... | |
void | beginInstruction (const MachineInstr *MI) override |
Process beginning of an instruction. More... | |
void | addDwarfTypeUnitType (DwarfCompileUnit &CU, StringRef Identifier, DIE &Die, const DICompositeType *CTy) |
Add a DIE to the set of types that we're going to pull into type units. More... | |
void | addArangeLabel (SymbolCU SCU) |
Add a label so that arange data can be generated for it. More... | |
void | setSymbolSize (const MCSymbol *Sym, uint64_t Size) override |
For symbols that have a size designated (e.g. More... | |
bool | useAllLinkageNames () const |
Returns whether we should emit all DW_AT_[MIPS_]linkage_name. More... | |
bool | useGNUTLSOpcode () const |
Returns whether to use DW_OP_GNU_push_tls_address, instead of the standard DW_OP_form_tls_address opcode. More... | |
bool | useDWARF2Bitfields () const |
Returns whether to use the DWARF2 format for bitfields instyead of the DWARF4 format. More... | |
bool | useInlineStrings () const |
Returns whether to use inline strings. More... | |
bool | useRangesSection () const |
Returns whether ranges section should be emitted. More... | |
bool | useSectionsAsReferences () const |
Returns whether to use sections as labels rather than temp symbols. More... | |
bool | useLocSection () const |
Returns whether .debug_loc section should be emitted. More... | |
bool | generateTypeUnits () const |
Returns whether to generate DWARF v4 type units. More... | |
AccelTableKind | getAccelTableKind () const |
Returns what kind (if any) of accelerator tables to emit. More... | |
bool | useAppleExtensionAttributes () const |
bool | useSplitDwarf () const |
Returns whether or not to change the current debug info for the split dwarf proposal support. More... | |
bool | useSegmentedStringOffsetsTable () const |
Returns whether to generate a string offsets table with (possibly shared) contributions from each CU and type unit. More... | |
bool | shareAcrossDWOCUs () const |
uint16_t | getDwarfVersion () const |
Returns the Dwarf Version. More... | |
const DwarfCompileUnit * | getPrevCU () const |
Returns the previous CU that was being updated. More... | |
void | setPrevCU (const DwarfCompileUnit *PrevCU) |
const DebugLocStream & | getDebugLocs () const |
Returns the entries for the .debug_loc section. More... | |
void | emitDebugLocEntry (ByteStreamer &Streamer, const DebugLocStream::Entry &Entry) |
Emit an entry for the debug loc section. More... | |
void | emitDebugLocEntryLocation (const DebugLocStream::Entry &Entry) |
Emit the location for a debug loc entry, including the size header. More... | |
template<typename T > | |
T * | resolve (TypedDINodeRef< T > Ref) const |
Find the MDNode for the given reference. More... | |
void | addSubprogramNames (const DICompileUnit &CU, const DISubprogram *SP, DIE &Die) |
AddressPool & | getAddressPool () |
void | addAccelName (const DICompileUnit &CU, StringRef Name, const DIE &Die) |
void | addAccelObjC (const DICompileUnit &CU, StringRef Name, const DIE &Die) |
void | addAccelNamespace (const DICompileUnit &CU, StringRef Name, const DIE &Die) |
void | addAccelType (const DICompileUnit &CU, StringRef Name, const DIE &Die, char Flags) |
const MachineFunction * | getCurrentFunction () const |
bool | isLexicalScopeDIENull (LexicalScope *Scope) |
A helper function to check whether the DIE for a given Scope is going to be null. More... | |
DwarfCompileUnit * | lookupCU (const DIE *Die) |
Find the matching DwarfCompileUnit for the given CU DIE. More... | |
const DwarfCompileUnit * | lookupCU (const DIE *Die) const |
bool | tuneForGDB () const |
bool | tuneForLLDB () const |
bool | tuneForSCE () const |
void | addSectionLabel (const MCSymbol *Sym) |
const MCSymbol * | getSectionLabel (const MCSection *S) |
Public Member Functions inherited from llvm::DebugHandlerBase | |
void | endInstruction () override |
Process end of an instruction. More... | |
void | beginFunction (const MachineFunction *MF) override |
Gather pre-function debug information. More... | |
void | endFunction (const MachineFunction *MF) override |
Gather post-function debug information. More... | |
MCSymbol * | getLabelBeforeInsn (const MachineInstr *MI) |
Return Label preceding the instruction. More... | |
MCSymbol * | getLabelAfterInsn (const MachineInstr *MI) |
Return Label immediately following the instruction. More... | |
const MCExpr * | getFunctionLocalOffsetAfterInsn (const MachineInstr *MI) |
Return the function-local offset of an instruction. More... | |
Public Member Functions inherited from llvm::AsmPrinterHandler | |
virtual | ~AsmPrinterHandler () |
Pin vtable to this file. More... | |
virtual void | markFunctionEnd () |
virtual void | beginFragment (const MachineBasicBlock *MBB, ExceptionSymbolProvider ESP) |
virtual void | endFragment () |
virtual void | beginFunclet (const MachineBasicBlock &MBB, MCSymbol *Sym=nullptr) |
Emit target-specific EH funclet machinery. More... | |
virtual void | endFunclet () |
Static Public Member Functions | |
static uint64_t | makeTypeSignature (StringRef Identifier) |
Perform an MD5 checksum of Identifier and return the lower 64 bits. More... | |
Static Public Member Functions inherited from llvm::DebugHandlerBase | |
static uint64_t | getBaseTypeSize (const DITypeRef TyRef) |
If this type is derived from a base type then return base type size. More... | |
Protected Member Functions | |
void | beginFunctionImpl (const MachineFunction *MF) override |
Gather pre-function debug information. More... | |
void | endFunctionImpl (const MachineFunction *MF) override |
Gather and emit post-function debug information. More... | |
void | skippedNonDebugFunction () override |
Protected Member Functions inherited from llvm::DebugHandlerBase | |
DebugHandlerBase (AsmPrinter *A) | |
void | identifyScopeMarkers () |
Indentify instructions that are marking the beginning of or ending of a scope. More... | |
void | requestLabelBeforeInsn (const MachineInstr *MI) |
Ensure that a label will be emitted before MI. More... | |
void | requestLabelAfterInsn (const MachineInstr *MI) |
Ensure that a label will be emitted after MI. More... | |
Additional Inherited Members | |
Protected Attributes inherited from llvm::DebugHandlerBase | |
AsmPrinter * | Asm |
Target of debug info emission. More... | |
MachineModuleInfo * | MMI |
Collected machine module information. More... | |
DebugLoc | PrevInstLoc |
Previous instruction's location information. More... | |
MCSymbol * | PrevLabel = nullptr |
const MachineBasicBlock * | PrevInstBB = nullptr |
DebugLoc | PrologEndLoc |
This location indicates end of function prologue and beginning of function body. More... | |
const MachineInstr * | CurMI = nullptr |
If nonnull, stores the current machine instruction we're processing. More... | |
LexicalScopes | LScopes |
DbgValueHistoryMap | DbgValues |
History of DBG_VALUE and clobber instructions for each user variable. More... | |
DbgLabelInstrMap | DbgLabels |
Mapping of inlined labels and DBG_LABEL machine instruction. More... | |
DenseMap< const MachineInstr *, MCSymbol * > | LabelsBeforeInsn |
Maps instruction with label emitted before instruction. More... | |
DenseMap< const MachineInstr *, MCSymbol * > | LabelsAfterInsn |
Maps instruction with label emitted after instruction. More... | |
Collects and handles dwarf debug information.
Definition at line 281 of file DwarfDebug.h.
DwarfDebug::DwarfDebug | ( | AsmPrinter * | A, |
Module * | M | ||
) |
Definition at line 311 of file DwarfDebug.cpp.
References AllLinkageNames, llvm::DebugHandlerBase::Asm, computeAccelTableKind(), llvm::TargetOptions::DebuggerTuning, llvm::Default, DefaultLinkageNames, llvm::dwarf::DWARF_VERSION, DwarfLinkageNames, llvm::MCTargetOptions::DwarfVersion, llvm::Enable, llvm::GDB, GenerateDwarfTypeUnits, llvm::Module::getDwarfVersion(), llvm::MachineModuleInfo::getModule(), llvm::TargetMachine::getTargetTriple(), llvm::Triple::isNVPTX(), llvm::Triple::isOSBinFormatELF(), llvm::Triple::isPS4CPU(), llvm::LLDB, llvm::TargetOptions::MCOptions, llvm::DebugHandlerBase::MMI, llvm::TargetMachine::Options, llvm::AsmPrinter::OutStreamer, llvm::SCE, llvm::MCTargetOptions::SplitDwarfFile, llvm::AsmPrinter::TM, tuneForGDB(), tuneForLLDB(), tuneForSCE(), and ~DwarfDebug().
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Referenced by DwarfDebug().
void DwarfDebug::addAccelName | ( | const DICompileUnit & | CU, |
StringRef | Name, | ||
const DIE & | Die | ||
) |
Definition at line 2724 of file DwarfDebug.cpp.
Referenced by addSubprogramNames(), and llvm::DwarfCompileUnit::getOrCreateGlobalVariableDIE().
void DwarfDebug::addAccelNamespace | ( | const DICompileUnit & | CU, |
StringRef | Name, | ||
const DIE & | Die | ||
) |
Definition at line 2736 of file DwarfDebug.cpp.
Referenced by llvm::DwarfUnit::getOrCreateNameSpace().
void DwarfDebug::addAccelObjC | ( | const DICompileUnit & | CU, |
StringRef | Name, | ||
const DIE & | Die | ||
) |
Definition at line 2729 of file DwarfDebug.cpp.
References llvm::Apple, and getAccelTableKind().
Referenced by addSubprogramNames().
void DwarfDebug::addAccelType | ( | const DICompileUnit & | CU, |
StringRef | Name, | ||
const DIE & | Die, | ||
char | Flags | ||
) |
Definition at line 2741 of file DwarfDebug.cpp.
Referenced by llvm::DwarfUnit::applySubprogramAttributes(), and llvm::DwarfUnit::updateAcceleratorTables().
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Add a label so that arange data can be generated for it.
Definition at line 608 of file DwarfDebug.h.
Referenced by llvm::DwarfCompileUnit::addLabelAddress(), llvm::DwarfCompileUnit::addLocalLabelAddress(), and llvm::DwarfCompileUnit::getOrCreateGlobalVariableDIE().
void DwarfDebug::addDwarfTypeUnitType | ( | DwarfCompileUnit & | CU, |
StringRef | Identifier, | ||
DIE & | Die, | ||
const DICompositeType * | CTy | ||
) |
Add a DIE to the set of types that we're going to pull into type units.
Definition at line 2606 of file DwarfDebug.cpp.
References llvm::DwarfUnit::addDIETypeSignature(), llvm::AccelTable< DataT >::addName(), llvm::Apple, llvm::DebugHandlerBase::Asm, llvm::Default, llvm::Dwarf, getAccelTableKind(), getDwarfVersion(), llvm::DwarfStringPool::getEntry(), llvm::DICompileUnit::getNameTableKind(), llvm::DwarfFile::getStringPool(), llvm::DIE::getUnitDie(), llvm::MipsISD::Ins, llvm_unreachable, makeTypeSignature(), llvm::None, llvm::DICompileUnit::None, llvm::Ref, useSegmentedStringOffsetsTable(), and useSplitDwarf().
Referenced by llvm::DwarfUnit::getOrCreateTypeDIE().
Definition at line 2750 of file DwarfDebug.cpp.
References llvm::MCSymbol::getSection().
Referenced by llvm::DwarfCompileUnit::addRange().
void DwarfDebug::addSubprogramNames | ( | const DICompileUnit & | CU, |
const DISubprogram * | SP, | ||
DIE & | Die | ||
) |
Definition at line 419 of file DwarfDebug.cpp.
References addAccelName(), addAccelObjC(), llvm::Apple, llvm::DwarfFile::getAbstractSPDies(), getAccelTableKind(), llvm::DIScope::getName(), llvm::DICompileUnit::getNameTableKind(), getObjCClassCategory(), getObjCMethodName(), isObjCClass(), llvm::DICompileUnit::None, and useAllLinkageNames().
Referenced by llvm::DwarfCompileUnit::constructInlinedScopeDIE(), and llvm::DwarfCompileUnit::updateSubprogramScopeDIE().
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Gather pre-function debug information.
Implements llvm::DebugHandlerBase.
Definition at line 1526 of file DwarfDebug.cpp.
References llvm::DebugHandlerBase::Asm, assert(), DWARF2_FLAG_IS_STMT, llvm::LexicalScopes::empty(), findPrologueEndLoc(), llvm::LexicalScopes::getCurrentFunctionScope(), llvm::MachineFunction::getFunction(), llvm::LexicalScope::getScopeNode(), llvm::Function::getSubprogram(), llvm::DwarfCompileUnit::getUniqueID(), llvm::DebugHandlerBase::LScopes, llvm::DICompileUnit::NoDebug, llvm::AsmPrinter::OutStreamer, and llvm::DebugHandlerBase::PrologEndLoc.
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Process beginning of an instruction.
Reimplemented from llvm::DebugHandlerBase.
Definition at line 1420 of file DwarfDebug.cpp.
References llvm::DebugHandlerBase::Asm, assert(), llvm::DebugHandlerBase::beginInstruction(), llvm::DebugHandlerBase::CurMI, DWARF2_FLAG_IS_STMT, DWARF2_FLAG_PROLOGUE_END, llvm::Enable, llvm::MachineInstr::FrameSetup, llvm::DebugLoc::getCol(), llvm::MachineInstr::getDebugLoc(), llvm::MachineInstr::getFlag(), llvm::MachineFunction::getFunction(), llvm::DebugLoc::getLine(), llvm::MachineInstr::getMF(), llvm::MachineInstr::getParent(), llvm::DebugLoc::getScope(), llvm::Function::getSubprogram(), llvm::MachineInstr::hasDelaySlot(), llvm::MachineInstr::isCall(), llvm::MachineInstr::isMetaInstruction(), llvm::DICompileUnit::NoDebug, llvm::AsmPrinter::OutStreamer, llvm::DebugHandlerBase::PrevInstBB, llvm::DebugHandlerBase::PrevInstLoc, llvm::DebugHandlerBase::PrevLabel, llvm::DebugHandlerBase::PrologEndLoc, and llvm::DebugHandlerBase::requestLabelAfterInsn().
void DwarfDebug::beginModule | ( | ) |
Emit all Dwarf sections that should come prior to the content.
Definition at line 704 of file DwarfDebug.cpp.
References llvm::DwarfCompileUnit::addAddrTableBase(), llvm::DwarfUnit::addString(), llvm::DwarfUnit::addUInt(), llvm::any_of(), llvm::DebugHandlerBase::Asm, assert(), llvm::DIE::children(), llvm::DIEHash::computeCUSignature(), llvm::DwarfFile::computeSizeAndOffsets(), llvm::DwarfUnit::constructContainingTypeDIEs(), llvm::AsmPrinter::createTempSymbol(), llvm::Module::debug_compile_units(), llvm::Module::debug_compile_units_begin(), llvm::Module::debug_compile_units_end(), DisableDebugInfoPrinting, llvm::empty(), llvm::DwarfCompileUnit::finishEntityDefinition(), llvm::DwarfCompileUnit::finishSubprogramDefinition(), for(), forBothCUs(), llvm::MCSection::getBeginSymbol(), llvm::DwarfUnit::getCUNode(), llvm::MCObjectFileInfo::getDwarfMacinfoSection(), llvm::MCObjectFileInfo::getDwarfRangesSection(), getDwarfVersion(), llvm::DebugLocStream::getLists(), llvm::MachineModuleInfo::getModule(), llvm::AsmPrinter::getObjFileLowering(), llvm::DwarfCompileUnit::getOrCreateGlobalVariableDIE(), llvm::DwarfUnit::getOrCreateTypeDIE(), llvm::DwarfFile::getRangeLists(), llvm::DwarfCompileUnit::getRanges(), llvm::DwarfCompileUnit::getSkeleton(), llvm::DIE::getUnitDie(), llvm::DIEUnit::getUnitDie(), llvm::Module::globals(), llvm::MachineModuleInfo::hasDebugInfo(), llvm::ARM_PROC::IE, llvm::detail::DenseSetImpl< ValueT, DenseMap< ValueT, detail::DenseSetEmpty, ValueInfoT, detail::DenseSetPair< ValueT > >, ValueInfoT >::insert(), llvm::DICompileUnit::isDebugDirectivesOnly(), llvm::AddressPool::isEmpty(), llvm::TargetOptions::MCOptions, llvm::DebugHandlerBase::MMI, llvm::DICompileUnit::NoDebug, llvm::TargetMachine::Options, P, llvm::MachineModuleInfo::setDebugInfoAvailability(), llvm::DwarfCompileUnit::setDWOId(), llvm::AddressPool::setLabel(), llvm::DwarfFile::setLoclistsTableBaseSym(), llvm::DwarfFile::setRnglistsTableBaseSym(), sortGlobalExprs(), llvm::MCTargetOptions::SplitDwarfFile, T, llvm::DwarfCompileUnit::takeRanges(), llvm::TimePassesIsEnabled, llvm::AsmPrinter::TM, Unit, useRangesSection(), useSegmentedStringOffsetsTable(), and useSplitDwarf().
Referenced by llvm::AsmPrinter::doInitialization().
void DwarfDebug::emitDebugLocEntry | ( | ByteStreamer & | Streamer, |
const DebugLocStream::Entry & | Entry | ||
) |
Emit an entry for the debug loc section.
This can be used to handle an entry that's going to be emitted into the debug loc section.
Definition at line 1892 of file DwarfDebug.cpp.
References llvm::DebugLocStream::getComments().
Referenced by llvm::DIEHash::addSLEB128(), and emitDebugLocEntryLocation().
void DwarfDebug::emitDebugLocEntryLocation | ( | const DebugLocStream::Entry & | Entry | ) |
Emit the location for a debug loc entry, including the size header.
Definition at line 1956 of file DwarfDebug.cpp.
References llvm::DebugHandlerBase::Asm, emitDebugLocEntry(), llvm::AsmPrinter::emitInt16(), llvm::AsmPrinter::EmitULEB128(), llvm::DebugLocStream::getBytes(), getDwarfVersion(), and llvm::AsmPrinter::OutStreamer.
Referenced by emitLoclistsTableHeader().
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Gather and emit post-function debug information.
Implements llvm::DebugHandlerBase.
Definition at line 1564 of file DwarfDebug.cpp.
References llvm::DebugHandlerBase::Asm, assert(), llvm::DwarfFile::emitAbbrevs(), llvm::emitAppleAccelTable(), llvm::emitDWARF5AccelTable(), llvm::DwarfStringPool::emitStringOffsetsTableHeader(), llvm::DwarfFile::emitUnits(), llvm::empty(), llvm::LexicalScopes::getAbstractScopesList(), llvm::MCSection::getBeginSymbol(), llvm::LexicalScopes::getCurrentFunctionScope(), llvm::MCObjectFileInfo::getDwarfAbbrevSection(), llvm::MCObjectFileInfo::getDwarfAccelNamespaceSection(), llvm::MCObjectFileInfo::getDwarfAccelNamesSection(), llvm::MCObjectFileInfo::getDwarfAccelObjCSection(), llvm::MCObjectFileInfo::getDwarfAccelTypesSection(), llvm::MCObjectFileInfo::getDwarfStrOffSection(), getDwarfVersion(), llvm::MachineFunction::getFunction(), llvm::AsmPrinter::getFunctionBegin(), llvm::AsmPrinter::getFunctionEnd(), llvm::AsmPrinter::getObjFileLowering(), llvm::DwarfFile::getScopeLabels(), llvm::LexicalScope::getScopeNode(), llvm::DwarfFile::getScopeVariables(), llvm::DwarfFile::getStringOffsetsStartSym(), llvm::DwarfFile::getStringPool(), llvm::Function::getSubprogram(), llvm::DwarfFile::getUnits(), llvm::detail::DenseSetImpl< ValueT, DenseMap< ValueT, detail::DenseSetEmpty, ValueInfoT, detail::DenseSetPair< ValueT > >, ValueInfoT >::insert(), llvm::DICompileUnit::LineTablesOnly, llvm_unreachable, llvm::DebugHandlerBase::LScopes, llvm::AsmPrinter::OutStreamer, llvm::DebugHandlerBase::PrevLabel, llvm::ARMBuildAttrs::Section, and useSplitDwarf().
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Emit all Dwarf sections that should come after the content.
Implements llvm::AsmPrinterHandler.
Definition at line 940 of file DwarfDebug.cpp.
References llvm::Apple, assert(), llvm::DebugHandlerBase::CurMI, llvm::Default, llvm::Dwarf, GenerateARangeSection, getAccelTableKind(), llvm::MachineModuleInfo::hasDebugInfo(), llvm_unreachable, llvm::DebugHandlerBase::MMI, llvm::None, and useSplitDwarf().
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Returns whether to generate DWARF v4 type units.
Definition at line 643 of file DwarfDebug.h.
Referenced by llvm::DwarfUnit::getOrCreateTypeDIE(), and llvm::DwarfUnit::isShareableAcrossCUs().
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Returns what kind (if any) of accelerator tables to emit.
Definition at line 648 of file DwarfDebug.h.
Referenced by addAccelObjC(), addDwarfTypeUnitType(), addSubprogramNames(), and endModule().
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Definition at line 696 of file DwarfDebug.h.
Referenced by llvm::DwarfCompileUnit::addAddrTableBase(), llvm::DwarfCompileUnit::addLabelAddress(), llvm::DwarfUnit::addOpAddress(), emitRangeList(), and llvm::DwarfCompileUnit::getOrCreateGlobalVariableDIE().
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Definition at line 708 of file DwarfDebug.h.
Referenced by llvm::DwarfCompileUnit::updateSubprogramScopeDIE().
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Returns the entries for the .debug_loc section.
Definition at line 678 of file DwarfDebug.h.
Referenced by llvm::DIEHash::addSLEB128(), and llvm::DIELocList::EmitValue().
uint16_t DwarfDebug::getDwarfVersion | ( | ) | const |
Returns the Dwarf Version.
Definition at line 2746 of file DwarfDebug.cpp.
References llvm::DebugHandlerBase::Asm, and llvm::AsmPrinter::OutStreamer.
Referenced by llvm::DwarfUnit::addBlock(), addDwarfTypeUnitType(), llvm::DwarfUnit::addFlag(), llvm::DwarfCompileUnit::addLabelAddress(), llvm::DwarfUnit::addLinkageName(), llvm::DwarfCompileUnit::addLocationList(), llvm::DwarfUnit::addLoclistsBase(), llvm::DwarfUnit::addOpAddress(), llvm::DwarfUnit::addRnglistsBase(), llvm::DwarfCompileUnit::addScopeRangeList(), llvm::DwarfUnit::addSectionDelta(), llvm::DwarfUnit::addSectionLabel(), llvm::DwarfUnit::addSectionOffset(), beginModule(), llvm::DwarfUnit::constructContainingTypeDIEs(), llvm::DwarfCompileUnit::constructInlinedScopeDIE(), llvm::DwarfUnit::emitCommonHeader(), emitDebugLocEntryLocation(), emitDebugRangesImpl(), llvm::DwarfCompileUnit::emitHeader(), emitLoclistsTableHeader(), emitRangeList(), endFunctionImpl(), llvm::DwarfUnit::getDwarfVersion(), llvm::DwarfCompileUnit::getHeaderSize(), llvm::DwarfUnit::getHeaderSize(), llvm::DwarfUnit::getMD5AsBytes(), llvm::DwarfUnit::getOrCreateTypeDIE(), hasVectorBeenPadded(), and llvm::DwarfUnit::~DwarfUnit().
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Returns the previous CU that was being updated.
Definition at line 674 of file DwarfDebug.h.
Referenced by llvm::DwarfCompileUnit::addRange().
Definition at line 2754 of file DwarfDebug.cpp.
Referenced by emitRangeList().
bool DwarfDebug::isLexicalScopeDIENull | ( | LexicalScope * | Scope | ) |
A helper function to check whether the DIE for a given Scope is going to be null.
Check whether we should create a DIE for the given Scope, return true if we don't create a DIE (the corresponding DIE is null).
Definition at line 453 of file DwarfDebug.cpp.
References llvm::SmallVectorBase::empty(), llvm::SmallVectorTemplateCommon< T, typename >::front(), llvm::DebugHandlerBase::getLabelAfterInsn(), llvm::LexicalScope::getRanges(), llvm::LexicalScope::isAbstractScope(), and llvm::SmallVectorBase::size().
Referenced by llvm::DwarfCompileUnit::constructLexicalScopeDIE(), and llvm::DwarfCompileUnit::constructScopeDIE().
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Find the matching DwarfCompileUnit for the given CU DIE.
Definition at line 715 of file DwarfDebug.h.
References llvm::DenseMapBase< DenseMap< KeyT, ValueT, KeyInfoT, BucketT >, KeyT, ValueT, KeyInfoT, BucketT >::lookup().
Referenced by llvm::DwarfCompileUnit::constructAbstractSubprogramScopeDIE(), and llvm::emitDWARF5AccelTable().
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Definition at line 716 of file DwarfDebug.h.
References llvm::DenseMapBase< DenseMap< KeyT, ValueT, KeyInfoT, BucketT >, KeyT, ValueT, KeyInfoT, BucketT >::lookup().
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Perform an MD5 checksum of Identifier
and return the lower 64 bits.
Definition at line 2595 of file DwarfDebug.cpp.
References llvm::MD5::final(), llvm::MD5::MD5Result::high(), and llvm::MD5::update().
Referenced by addDwarfTypeUnitType().
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Find the MDNode for the given reference.
Definition at line 689 of file DwarfDebug.h.
References llvm::TypedDINodeRef< T >::resolve().
Referenced by llvm::DwarfCompileUnit::getOrCreateGlobalVariableDIE(), and isUnsignedDIType().
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Definition at line 675 of file DwarfDebug.h.
Referenced by llvm::DwarfCompileUnit::addRange().
For symbols that have a size designated (e.g.
common symbols), this tracks that size.
Implements llvm::AsmPrinterHandler.
Definition at line 612 of file DwarfDebug.h.
References Size.
bool DwarfDebug::shareAcrossDWOCUs | ( | ) | const |
Definition at line 477 of file DwarfDebug.cpp.
References llvm::DIE::addChild(), llvm::DwarfUnit::addFlag(), llvm::DwarfUnit::addString(), llvm::DwarfUnit::addStringOffsetsStart(), llvm::DwarfUnit::addUInt(), llvm::DwarfFile::addUnit(), llvm::DebugHandlerBase::Asm, assert(), llvm::DwarfCompileUnit::constructAbstractSubprogramScopeDIE(), llvm::DwarfCompileUnit::constructCallSiteEntryDIE(), llvm::DwarfCompileUnit::constructImportedEntityDIE(), D, llvm::dbgs(), llvm::dyn_cast(), llvm::StringRef::empty(), llvm::DIScope::getDirectory(), llvm::DICompileUnit::getDWOId(), llvm::DIScope::getFile(), llvm::DIScope::getFilename(), llvm::DICompileUnit::getFlags(), llvm::DebugHandlerBase::getFunctionLocalOffsetAfterInsn(), llvm::MachineOperand::getGlobal(), llvm::DICompileUnit::getImportedEntities(), llvm::LexicalScope::getInlinedAt(), llvm::TargetSubtargetInfo::getInstrInfo(), llvm::Value::getName(), llvm::DwarfUnit::getOrCreateContextDIE(), llvm::DICompileUnit::getProducer(), llvm::DICompileUnit::getRuntimeVersion(), llvm::DIImportedEntity::getScope(), llvm::LexicalScope::getScopeNode(), llvm::DIScope::getSource(), llvm::DICompileUnit::getSourceLanguage(), llvm::DICompileUnit::getSplitDebugFilename(), llvm::Function::getSubprogram(), llvm::MachineFunction::getSubtarget(), llvm::DIEUnit::getUnitDie(), llvm::DwarfFile::getUnits(), llvm::DwarfCompileUnit::hasDwarfPubSections(), llvm::ARM_PROC::IE, llvm::DwarfCompileUnit::initStmtList(), llvm::LexicalScope::isAbstractScope(), llvm::MachineOperand::isGlobal(), llvm::DICompileUnit::isOptimized(), llvm::TargetInstrInfo::isTailCall(), LLVM_DEBUG, MI, N, SplitDwarfCrossCuReferences, llvm::StringRef::str(), TII, useAppleExtensionAttributes(), useSegmentedStringOffsetsTable(), and useSplitDwarf().
Referenced by llvm::DwarfUnit::isShareableAcrossCUs().
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Reimplemented from llvm::DebugHandlerBase.
Definition at line 1555 of file DwarfDebug.cpp.
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Returns whether we should emit all DW_AT_[MIPS_]linkage_name.
If not, we still might emit certain cases.
Definition at line 618 of file DwarfDebug.h.
Referenced by addSubprogramNames(), llvm::DwarfUnit::applySubprogramDefinitionAttributes(), and llvm::DwarfCompileUnit::getOrCreateGlobalVariableDIE().
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Definition at line 650 of file DwarfDebug.h.
Referenced by llvm::DwarfUnit::applySubprogramAttributes(), shareAcrossDWOCUs(), and llvm::DwarfCompileUnit::updateSubprogramScopeDIE().
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Returns whether to use the DWARF2 format for bitfields instyead of the DWARF4 format.
Definition at line 626 of file DwarfDebug.h.
Referenced by llvm::DwarfUnit::constructContainingTypeDIEs().
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Returns whether to use DW_OP_GNU_push_tls_address, instead of the standard DW_OP_form_tls_address opcode.
Definition at line 622 of file DwarfDebug.h.
Referenced by llvm::DwarfCompileUnit::getOrCreateGlobalVariableDIE().
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Returns whether to use inline strings.
Definition at line 629 of file DwarfDebug.h.
Referenced by llvm::DwarfUnit::addString().
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Returns whether .debug_loc section should be emitted.
Definition at line 640 of file DwarfDebug.h.
Referenced by validThroughout().
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Returns whether ranges section should be emitted.
Definition at line 632 of file DwarfDebug.h.
Referenced by llvm::DwarfCompileUnit::attachRangesOrLowHighPC(), beginModule(), and emitDebugRangesImpl().
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Returns whether to use sections as labels rather than temp symbols.
Definition at line 635 of file DwarfDebug.h.
Referenced by computeIndexValue(), llvm::DwarfUnit::emitCommonHeader(), llvm::DwarfCompileUnit::emitHeader(), and llvm::DwarfCompileUnit::initStmtList().
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Returns whether to generate a string offsets table with (possibly shared) contributions from each CU and type unit.
This implies the use of DW_FORM_strx* indirect references with DWARF v5 and beyond. Note that DW_FORM_GNU_str_index is also an indirect reference, but it is used with a pre-DWARF v5 implementation of split DWARF sections, which uses a monolithic string offsets table.
Definition at line 664 of file DwarfDebug.h.
Referenced by addDwarfTypeUnitType(), beginModule(), computeIndexValue(), emitDebugRangesImpl(), shareAcrossDWOCUs(), and llvm::DwarfUnit::useSegmentedStringOffsetsTable().
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Returns whether or not to change the current debug info for the split dwarf proposal support.
Definition at line 656 of file DwarfDebug.h.
Referenced by addDwarfTypeUnitType(), llvm::DwarfCompileUnit::addLabelAddress(), llvm::DwarfUnit::addOpAddress(), llvm::DwarfUnit::addSectionLabel(), llvm::DwarfCompileUnit::applySubprogramAttributesToDefinition(), beginModule(), computeIndexValue(), emitDebugRangesImpl(), llvm::emitDWARF5AccelTable(), llvm::DwarfCompileUnit::emitHeader(), llvm::DwarfTypeUnit::emitHeader(), emitLoclistsTableHeader(), llvm::DIELocList::EmitValue(), endFunctionImpl(), endModule(), llvm::DwarfCompileUnit::getHeaderSize(), llvm::DwarfCompileUnit::getOrCreateGlobalVariableDIE(), llvm::DwarfCompileUnit::includeMinimalInlineScopes(), and shareAcrossDWOCUs().