LLVM  8.0.0svn
Classes | Public Types | Public Member Functions | List of all members
llvm::MCContext Class Reference

Context object for machine code objects. More...

#include "llvm/MC/MCContext.h"

Public Types

using SymbolTable = StringMap< MCSymbol *, BumpPtrAllocator & >
 

Public Member Functions

 MCContext (const MCAsmInfo *MAI, const MCRegisterInfo *MRI, const MCObjectFileInfo *MOFI, const SourceMgr *Mgr=nullptr, bool DoAutoReset=true)
 
 MCContext (const MCContext &)=delete
 
MCContextoperator= (const MCContext &)=delete
 
 ~MCContext ()
 
const SourceMgrgetSourceManager () const
 
void setInlineSourceManager (SourceMgr *SM)
 
const MCAsmInfogetAsmInfo () const
 
const MCRegisterInfogetRegisterInfo () const
 
const MCObjectFileInfogetObjectFileInfo () const
 
CodeViewContextgetCVContext ()
 
void setAllowTemporaryLabels (bool Value)
 
void setUseNamesOnTempLabels (bool Value)
 
chargetSecureLogFile ()
 
raw_fd_ostreamgetSecureLog ()
 
void setSecureLog (std::unique_ptr< raw_fd_ostream > Value)
 
bool getSecureLogUsed ()
 
void setSecureLogUsed (bool Value)
 
void * allocate (unsigned Size, unsigned Align=8)
 
void deallocate (void *Ptr)
 
bool hadError ()
 
void reportError (SMLoc L, const Twine &Msg)
 
LLVM_ATTRIBUTE_NORETURN void reportFatalError (SMLoc L, const Twine &Msg)
 
const MCAsmMacrolookupMacro (StringRef Name)
 
void defineMacro (StringRef Name, MCAsmMacro Macro)
 
void undefineMacro (StringRef Name)
 
Module Lifetime Management
void reset ()
 reset - return object to right after construction state to prepare to process a new module More...
 
Symbol Management
MCSymbolcreateLinkerPrivateTempSymbol ()
 Create and return a new linker temporary symbol with a unique but unspecified name. More...
 
MCSymbolcreateTempSymbol (bool CanBeUnnamed=true)
 Create and return a new assembler temporary symbol with a unique but unspecified name. More...
 
MCSymbolcreateTempSymbol (const Twine &Name, bool AlwaysAddSuffix, bool CanBeUnnamed=true)
 
MCSymbolcreateDirectionalLocalSymbol (unsigned LocalLabelVal)
 Create the definition of a directional local symbol for numbered label (used for "1:" definitions). More...
 
MCSymbolgetDirectionalLocalSymbol (unsigned LocalLabelVal, bool Before)
 Create and return a directional local symbol for numbered label (used for "1b" or 1f" references). More...
 
MCSymbolgetOrCreateSymbol (const Twine &Name)
 Lookup the symbol inside with the specified Name. More...
 
MCSymbolgetOrCreateFrameAllocSymbol (StringRef FuncName, unsigned Idx)
 Gets a symbol that will be defined to the final stack offset of a local variable after codegen. More...
 
MCSymbolgetOrCreateParentFrameOffsetSymbol (StringRef FuncName)
 
MCSymbolgetOrCreateLSDASymbol (StringRef FuncName)
 
MCSymbollookupSymbol (const Twine &Name) const
 Get the symbol for Name, or null. More...
 
void setSymbolValue (MCStreamer &Streamer, StringRef Sym, uint64_t Val)
 Set value for a symbol. More...
 
const SymbolTablegetSymbols () const
 getSymbols - Get a reference for the symbol table for clients that want to, for example, iterate over all symbols. More...
 
Dwarf Management
StringRef getCompilationDir () const
 Get the compilation directory for DW_AT_comp_dir The compilation directory should be set with setCompilationDir before calling this function. More...
 
void setCompilationDir (StringRef S)
 Set the compilation directory for DW_AT_comp_dir. More...
 
const std::map< const std::string, const std::string > & getDebugPrefixMap () const
 Get the debug prefix map. More...
 
void addDebugPrefixMapEntry (const std::string &From, const std::string &To)
 Add an entry to the debug prefix map. More...
 
void RemapDebugPaths ()
 
const std::string & getMainFileName () const
 Get the main file name for use in error messages and debug info. More...
 
void setMainFileName (StringRef S)
 Set the main file name and override the default. More...
 
Expected< unsignedgetDwarfFile (StringRef Directory, StringRef FileName, unsigned FileNumber, MD5::MD5Result *Checksum, Optional< StringRef > Source, unsigned CUID)
 Creates an entry in the dwarf file and directory tables. More...
 
bool isValidDwarfFileNumber (unsigned FileNumber, unsigned CUID=0)
 isValidDwarfFileNumber - takes a dwarf file number and returns true if it currently is assigned and false otherwise. More...
 
const std::map< unsigned, MCDwarfLineTable > & getMCDwarfLineTables () const
 
MCDwarfLineTablegetMCDwarfLineTable (unsigned CUID)
 
const MCDwarfLineTablegetMCDwarfLineTable (unsigned CUID) const
 
const SmallVectorImpl< MCDwarfFile > & getMCDwarfFiles (unsigned CUID=0)
 
const SmallVectorImpl< std::string > & getMCDwarfDirs (unsigned CUID=0)
 
bool hasMCLineSections () const
 
unsigned getDwarfCompileUnitID ()
 
void setDwarfCompileUnitID (unsigned CUIndex)
 
void setMCLineTableRootFile (unsigned CUID, StringRef CompilationDir, StringRef Filename, MD5::MD5Result *Checksum, Optional< StringRef > Source)
 Specifies the "root" file and directory of the compilation unit. More...
 
bool isDwarfMD5UsageConsistent (unsigned CUID) const
 Reports whether MD5 checksum usage is consistent (all-or-none). More...
 
void setCurrentDwarfLoc (unsigned FileNum, unsigned Line, unsigned Column, unsigned Flags, unsigned Isa, unsigned Discriminator)
 Saves the information from the currently parsed dwarf .loc directive and sets DwarfLocSeen. More...
 
void clearDwarfLocSeen ()
 
bool getDwarfLocSeen ()
 
const MCDwarfLocgetCurrentDwarfLoc ()
 
bool getGenDwarfForAssembly ()
 
void setGenDwarfForAssembly (bool Value)
 
unsigned getGenDwarfFileNumber ()
 
void setGenDwarfFileNumber (unsigned FileNumber)
 
const SetVector< MCSection * > & getGenDwarfSectionSyms ()
 
bool addGenDwarfSection (MCSection *Sec)
 
void finalizeDwarfSections (MCStreamer &MCOS)
 Remove empty sections from SectionsForRanges, to avoid generating useless debug info for them. More...
 
const std::vector< MCGenDwarfLabelEntry > & getMCGenDwarfLabelEntries () const
 
void addMCGenDwarfLabelEntry (const MCGenDwarfLabelEntry &E)
 
void setDwarfDebugFlags (StringRef S)
 
StringRef getDwarfDebugFlags ()
 
void setDwarfDebugProducer (StringRef S)
 
StringRef getDwarfDebugProducer ()
 
dwarf::DwarfFormat getDwarfFormat () const
 
void setDwarfVersion (uint16_t v)
 
uint16_t getDwarfVersion () const
 

Section Management

enum  : unsigned { GenericSectionID = ~0U }
 
MCSectionMachOgetMachOSection (StringRef Segment, StringRef Section, unsigned TypeAndAttributes, unsigned Reserved2, SectionKind K, const char *BeginSymName=nullptr)
 Return the MCSection for the specified mach-o section. More...
 
MCSectionMachOgetMachOSection (StringRef Segment, StringRef Section, unsigned TypeAndAttributes, SectionKind K, const char *BeginSymName=nullptr)
 
MCSectionELFgetELFSection (const Twine &Section, unsigned Type, unsigned Flags)
 
MCSectionELFgetELFSection (const Twine &Section, unsigned Type, unsigned Flags, unsigned EntrySize, const Twine &Group)
 
MCSectionELFgetELFSection (const Twine &Section, unsigned Type, unsigned Flags, unsigned EntrySize, const Twine &Group, unsigned UniqueID)
 
MCSectionELFgetELFSection (const Twine &Section, unsigned Type, unsigned Flags, unsigned EntrySize, const Twine &Group, unsigned UniqueID, const MCSymbolELF *Associated)
 
MCSectionELFgetELFSection (const Twine &Section, unsigned Type, unsigned Flags, unsigned EntrySize, const MCSymbolELF *Group, unsigned UniqueID, const MCSymbolELF *Associated)
 
MCSectionELFgetELFNamedSection (const Twine &Prefix, const Twine &Suffix, unsigned Type, unsigned Flags, unsigned EntrySize=0)
 Get a section with the provided group identifier. More...
 
MCSectionELFcreateELFRelSection (const Twine &Name, unsigned Type, unsigned Flags, unsigned EntrySize, const MCSymbolELF *Group, const MCSectionELF *RelInfoSection)
 
void renameELFSection (MCSectionELF *Section, StringRef Name)
 
MCSectionELFcreateELFGroupSection (const MCSymbolELF *Group)
 
MCSectionCOFFgetCOFFSection (StringRef Section, unsigned Characteristics, SectionKind Kind, StringRef COMDATSymName, int Selection, unsigned UniqueID=GenericSectionID, const char *BeginSymName=nullptr)
 
MCSectionCOFFgetCOFFSection (StringRef Section, unsigned Characteristics, SectionKind Kind, const char *BeginSymName=nullptr)
 
MCSectionCOFFgetCOFFSection (StringRef Section)
 
MCSectionCOFFgetAssociativeCOFFSection (MCSectionCOFF *Sec, const MCSymbol *KeySym, unsigned UniqueID=GenericSectionID)
 Gets or creates a section equivalent to Sec that is associated with the section containing KeySym. More...
 
MCSectionWasmgetWasmSection (const Twine &Section, SectionKind K)
 
MCSectionWasmgetWasmSection (const Twine &Section, SectionKind K, const char *BeginSymName)
 
MCSectionWasmgetWasmSection (const Twine &Section, SectionKind K, const Twine &Group, unsigned UniqueID)
 
MCSectionWasmgetWasmSection (const Twine &Section, SectionKind K, const Twine &Group, unsigned UniqueID, const char *BeginSymName)
 
MCSectionWasmgetWasmSection (const Twine &Section, SectionKind K, const MCSymbolWasm *Group, unsigned UniqueID, const char *BeginSymName)
 
MCSubtargetInfogetSubtargetCopy (const MCSubtargetInfo &STI)
 

Detailed Description

Context object for machine code objects.

This class owns all of the sections that it creates.

Definition at line 63 of file MCContext.h.

Member Typedef Documentation

◆ SymbolTable

Definition at line 65 of file MCContext.h.

Member Enumeration Documentation

◆ anonymous enum

anonymous enum : unsigned
Enumerator
GenericSectionID 

Pass this value as the UniqueID during section creation to get the generic section with the given name and characteristics.

The usual sections such as .text use this ID.

Definition at line 368 of file MCContext.h.

Constructor & Destructor Documentation

◆ MCContext() [1/2]

MCContext::MCContext ( const MCAsmInfo MAI,
const MCRegisterInfo MRI,
const MCObjectFileInfo MOFI,
const SourceMgr Mgr = nullptr,
bool  DoAutoReset = true 
)
explicit

◆ MCContext() [2/2]

llvm::MCContext::MCContext ( const MCContext )
delete

◆ ~MCContext()

MCContext::~MCContext ( )

Definition at line 71 of file MCContext.cpp.

References reset().

Member Function Documentation

◆ addDebugPrefixMapEntry()

void MCContext::addDebugPrefixMapEntry ( const std::string &  From,
const std::string &  To 
)

Add an entry to the debug prefix map.

Definition at line 538 of file MCContext.cpp.

Referenced by getDebugPrefixMap().

◆ addGenDwarfSection()

bool llvm::MCContext::addGenDwarfSection ( MCSection Sec)
inline

◆ addMCGenDwarfLabelEntry()

void llvm::MCContext::addMCGenDwarfLabelEntry ( const MCGenDwarfLabelEntry E)
inline

Definition at line 612 of file MCContext.h.

Referenced by llvm::MCGenDwarfLabelEntry::Make().

◆ allocate()

void* llvm::MCContext::allocate ( unsigned  Size,
unsigned  Align = 8 
)
inline

◆ clearDwarfLocSeen()

void llvm::MCContext::clearDwarfLocSeen ( )
inline

◆ createDirectionalLocalSymbol()

MCSymbol * MCContext::createDirectionalLocalSymbol ( unsigned  LocalLabelVal)

Create the definition of a directional local symbol for numbered label (used for "1:" definitions).

Definition at line 243 of file MCContext.cpp.

Referenced by getGNUBinOpPrecedence(), and setUseNamesOnTempLabels().

◆ createELFGroupSection()

MCSectionELF * MCContext::createELFGroupSection ( const MCSymbolELF Group)

Definition at line 416 of file MCContext.cpp.

References llvm::SectionKind::getReadOnly(), and llvm::ELF::SHT_GROUP.

Referenced by getELFSection(), and isWeak().

◆ createELFRelSection()

MCSectionELF * MCContext::createELFRelSection ( const Twine Name,
unsigned  Type,
unsigned  Flags,
unsigned  EntrySize,
const MCSymbolELF Group,
const MCSectionELF RelInfoSection 
)

◆ createLinkerPrivateTempSymbol()

MCSymbol * MCContext::createLinkerPrivateTempSymbol ( )

Create and return a new linker temporary symbol with a unique but unspecified name.

Definition at line 211 of file MCContext.cpp.

References llvm::MCAsmInfo::getLinkerPrivateGlobalPrefix().

Referenced by llvm::AsmPrinter::EmitDebugThreadLocal(), and setUseNamesOnTempLabels().

◆ createTempSymbol() [1/2]

MCSymbol * MCContext::createTempSymbol ( bool  CanBeUnnamed = true)

Create and return a new assembler temporary symbol with a unique but unspecified name.

Definition at line 217 of file MCContext.cpp.

References llvm::MCLabel::getInstance(), and llvm::MCLabel::incInstance().

Referenced by llvm::ConstantPool::addEntry(), llvm::CodeViewContext::addFile(), llvm::DebugHandlerBase::beginInstruction(), llvm::CodeViewDebug::beginInstruction(), convertFPR32ToFPR64(), llvm::AsmPrinter::createTempSymbol(), llvm::MCDwarfLineTableHeader::Emit(), llvm::MCGenDwarfInfo::Emit(), llvm::MCDwarfFrameEmitter::Emit(), llvm::MCStreamer::emitAbsoluteSymbolDiff(), llvm::MCObjectStreamer::EmitCVLocDirective(), llvm::AsmPrinter::EmitDebugThreadLocal(), llvm::MipsTargetELFStreamer::emitDirectiveEnd(), llvm::MipsAsmPrinter::EmitEndOfAsmFile(), llvm::CodeViewContext::emitFileChecksums(), EmitGenDwarfInfo(), llvm::SystemZAsmPrinter::EmitInstruction(), llvm::ARMAsmPrinter::EmitInstruction(), llvm::X86AsmPrinter::EmitInstruction(), llvm::CodeViewContext::emitLineTableForFunction(), llvm::ARMAsmPrinter::EmitMachineConstantPoolValue(), EmitNop(), EmitNops(), llvm::AArch64FrameLowering::emitPrologue(), llvm::MipsAsmPrinter::EmitStartOfAsmFile(), llvm::CodeViewContext::emitStringTable(), EmitUnwindInfo(), llvm::MCObjectStreamer::EmitValueImpl(), llvm::AsmPrinter::emitXRayTable(), llvm::DebugHandlerBase::endInstruction(), forceExpAbs(), getCIEVersion(), getCOFFSection(), getDwarfRegNum(), llvm::MCSection::getEndSymbol(), llvm::AArch64MCAsmInfoDarwin::getExprForPersonalitySymbol(), llvm::AArch64_MachoTargetObjectFile::getIndirectSymViaGOTPCRel(), getMachOSection(), llvm::AArch64_MachoTargetObjectFile::getTTypeGlobalReference(), llvm::TargetLoweringObjectFile::getTTypeReference(), getUnderlyingArgReg(), INITIALIZE_PASS(), llvm::HexagonFrameLowering::insertCFIInstructions(), isEFLAGSLive(), IsSmallMemAccess(), llvm::LowerARMMachineInstrToMCInst(), llvm::SelectionDAGBuilder::lowerInvokable(), llvm::MCDwarfLineEntry::Make(), llvm::MCGenDwarfLabelEntry::Make(), mapArchToCVCPUType(), nextReg(), printFPOReg(), llvm::FaultMaps::recordFaultingOp(), setUseNamesOnTempLabels(), and shouldAlwaysEmitCompleteClassType().

◆ createTempSymbol() [2/2]

MCSymbol * MCContext::createTempSymbol ( const Twine Name,
bool  AlwaysAddSuffix,
bool  CanBeUnnamed = true 
)

Definition at line 204 of file MCContext.cpp.

References llvm::MCAsmInfo::getPrivateGlobalPrefix().

◆ deallocate()

void llvm::MCContext::deallocate ( void *  Ptr)
inline

Definition at line 646 of file MCContext.h.

◆ defineMacro()

void llvm::MCContext::defineMacro ( StringRef  Name,
MCAsmMacro  Macro 
)
inline

Definition at line 661 of file MCContext.h.

References llvm::StringMap< ValueTy, AllocatorTy >::insert().

◆ finalizeDwarfSections()

void MCContext::finalizeDwarfSections ( MCStreamer MCOS)

Remove empty sections from SectionsForRanges, to avoid generating useless debug info for them.

Definition at line 597 of file MCContext.cpp.

References llvm::MCStreamer::mayHaveInstructions().

Referenced by addGenDwarfSection(), and llvm::MCGenDwarfInfo::Emit().

◆ getAsmInfo()

const MCAsmInfo* llvm::MCContext::getAsmInfo ( ) const
inline

◆ getAssociativeCOFFSection()

MCSectionCOFF * MCContext::getAssociativeCOFFSection ( MCSectionCOFF Sec,
const MCSymbol KeySym,
unsigned  UniqueID = GenericSectionID 
)

Gets or creates a section equivalent to Sec that is associated with the section containing KeySym.

For example, to create a debug info section associated with an inline function, pass the normal debug info section as Sec and the function symbol as KeySym.

Definition at line 470 of file MCContext.cpp.

References Characteristics, GenericSectionID, llvm::MCSectionCOFF::getCharacteristics(), getCOFFSection(), llvm::MCSection::getKind(), llvm::MCSymbol::getName(), llvm::MCSectionCOFF::getSectionName(), llvm::COFF::IMAGE_COMDAT_SELECT_ASSOCIATIVE, and llvm::COFF::IMAGE_SCN_LNK_COMDAT.

Referenced by getCOFFStaticStructorSection(), getELFSection(), and getWinCFISection().

◆ getCOFFSection() [1/3]

MCSectionCOFF * MCContext::getCOFFSection ( StringRef  Section,
unsigned  Characteristics,
SectionKind  Kind,
StringRef  COMDATSymName,
int  Selection,
unsigned  UniqueID = GenericSectionID,
const char BeginSymName = nullptr 
)

◆ getCOFFSection() [2/3]

MCSectionCOFF * MCContext::getCOFFSection ( StringRef  Section,
unsigned  Characteristics,
SectionKind  Kind,
const char BeginSymName = nullptr 
)

Definition at line 454 of file MCContext.cpp.

References GenericSectionID, and getCOFFSection().

◆ getCOFFSection() [3/3]

MCSectionCOFF * MCContext::getCOFFSection ( StringRef  Section)

Definition at line 462 of file MCContext.cpp.

References GenericSectionID, and llvm::ARMBuildAttrs::Section.

◆ getCompilationDir()

StringRef llvm::MCContext::getCompilationDir ( ) const
inline

Get the compilation directory for DW_AT_comp_dir The compilation directory should be set with setCompilationDir before calling this function.

If it is unset, an empty string will be returned.

Definition at line 487 of file MCContext.h.

Referenced by llvm::MCDwarfLineTableHeader::Emit(), and EmitGenDwarfAbbrev().

◆ getCurrentDwarfLoc()

const MCDwarfLoc& llvm::MCContext::getCurrentDwarfLoc ( )
inline

Definition at line 588 of file MCContext.h.

Referenced by llvm::MCDwarfLineEntry::Make().

◆ getCVContext()

CodeViewContext & MCContext::getCVContext ( )

◆ getDebugPrefixMap()

const std::map<const std::string, const std::string>& llvm::MCContext::getDebugPrefixMap ( ) const
inline

Get the debug prefix map.

Definition at line 494 of file MCContext.h.

References addDebugPrefixMapEntry(), From, and RemapDebugPaths().

◆ getDirectionalLocalSymbol()

MCSymbol * MCContext::getDirectionalLocalSymbol ( unsigned  LocalLabelVal,
bool  Before 
)

Create and return a directional local symbol for numbered label (used for "1b" or 1f" references).

Definition at line 248 of file MCContext.cpp.

Referenced by setUseNamesOnTempLabels().

◆ getDwarfCompileUnitID()

unsigned llvm::MCContext::getDwarfCompileUnitID ( )
inline

Definition at line 549 of file MCContext.h.

Referenced by llvm::MCDwarfLineEntry::Make().

◆ getDwarfDebugFlags()

StringRef llvm::MCContext::getDwarfDebugFlags ( )
inline

Definition at line 617 of file MCContext.h.

Referenced by EmitGenDwarfAbbrev().

◆ getDwarfDebugProducer()

StringRef llvm::MCContext::getDwarfDebugProducer ( )
inline

Definition at line 620 of file MCContext.h.

◆ getDwarfFile()

Expected< unsigned > MCContext::getDwarfFile ( StringRef  Directory,
StringRef  FileName,
unsigned  FileNumber,
MD5::MD5Result Checksum,
Optional< StringRef Source,
unsigned  CUID 
)

Creates an entry in the dwarf file and directory tables.

getDwarfFile - takes a file name and number to place in the dwarf file and directory tables.

If the file number has already been allocated it is an error and zero is returned and the client reports the error, else the allocated file number is returned. The file numbers may be in any order.

Definition at line 573 of file MCContext.cpp.

References llvm::MCDwarfLineTable::tryGetFile().

Referenced by setMainFileName(), and llvm::MCStreamer::tryEmitDwarfFileDirective().

◆ getDwarfFormat()

dwarf::DwarfFormat llvm::MCContext::getDwarfFormat ( ) const
inline

Definition at line 622 of file MCContext.h.

References llvm::dwarf::DWARF32.

◆ getDwarfLocSeen()

bool llvm::MCContext::getDwarfLocSeen ( )
inline

Definition at line 587 of file MCContext.h.

Referenced by llvm::MCDwarfLineEntry::Make().

◆ getDwarfVersion()

uint16_t llvm::MCContext::getDwarfVersion ( ) const
inline

◆ getELFNamedSection()

MCSectionELF * MCContext::getELFNamedSection ( const Twine Prefix,
const Twine Suffix,
unsigned  Type,
unsigned  Flags,
unsigned  EntrySize = 0 
)

Get a section with the provided group identifier.

This section is named by concatenating Prefix with '.' then Suffix. The Type describes the type of the section and Flags are used to further configure this named section.

Definition at line 366 of file MCContext.cpp.

References getELFSection().

Referenced by getELFSection().

◆ getELFSection() [1/5]

MCSectionELF* llvm::MCContext::getELFSection ( const Twine Section,
unsigned  Type,
unsigned  Flags 
)
inline

◆ getELFSection() [2/5]

MCSectionELF* llvm::MCContext::getELFSection ( const Twine Section,
unsigned  Type,
unsigned  Flags,
unsigned  EntrySize,
const Twine Group 
)
inline

Definition at line 394 of file MCContext.h.

References getELFSection().

◆ getELFSection() [3/5]

MCSectionELF* llvm::MCContext::getELFSection ( const Twine Section,
unsigned  Type,
unsigned  Flags,
unsigned  EntrySize,
const Twine Group,
unsigned  UniqueID 
)
inline

◆ getELFSection() [4/5]

MCSectionELF * MCContext::getELFSection ( const Twine Section,
unsigned  Type,
unsigned  Flags,
unsigned  EntrySize,
const Twine Group,
unsigned  UniqueID,
const MCSymbolELF Associated 
)

◆ getELFSection() [5/5]

MCSectionELF * MCContext::getELFSection ( const Twine Section,
unsigned  Type,
unsigned  Flags,
unsigned  EntrySize,
const MCSymbolELF Group,
unsigned  UniqueID,
const MCSymbolELF Associated 
)

◆ getGenDwarfFileNumber()

unsigned llvm::MCContext::getGenDwarfFileNumber ( )
inline

Definition at line 592 of file MCContext.h.

Referenced by llvm::MCGenDwarfLabelEntry::Make().

◆ getGenDwarfForAssembly()

bool llvm::MCContext::getGenDwarfForAssembly ( )
inline

Definition at line 590 of file MCContext.h.

Referenced by parseHexOcta().

◆ getGenDwarfSectionSyms()

const SetVector<MCSection *>& llvm::MCContext::getGenDwarfSectionSyms ( )
inline

◆ getMachOSection() [1/2]

MCSectionMachO * MCContext::getMachOSection ( StringRef  Segment,
StringRef  Section,
unsigned  TypeAndAttributes,
unsigned  Reserved2,
SectionKind  K,
const char BeginSymName = nullptr 
)

◆ getMachOSection() [2/2]

MCSectionMachO* llvm::MCContext::getMachOSection ( StringRef  Segment,
StringRef  Section,
unsigned  TypeAndAttributes,
SectionKind  K,
const char BeginSymName = nullptr 
)
inline

Definition at line 382 of file MCContext.h.

References getMachOSection().

◆ getMainFileName()

const std::string& llvm::MCContext::getMainFileName ( ) const
inline

Get the main file name for use in error messages and debug info.

This can be set to ensure we've got the correct file name after preprocessing or for -save-temps.

Definition at line 507 of file MCContext.h.

◆ getMCDwarfDirs()

const SmallVectorImpl<std::string>& llvm::MCContext::getMCDwarfDirs ( unsigned  CUID = 0)
inline

Definition at line 538 of file MCContext.h.

References llvm::MCDwarfLineTable::getMCDwarfDirs(), and getMCDwarfLineTable().

◆ getMCDwarfFiles()

const SmallVectorImpl<MCDwarfFile>& llvm::MCContext::getMCDwarfFiles ( unsigned  CUID = 0)
inline

◆ getMCDwarfLineTable() [1/2]

MCDwarfLineTable& llvm::MCContext::getMCDwarfLineTable ( unsigned  CUID)
inline

◆ getMCDwarfLineTable() [2/2]

const MCDwarfLineTable& llvm::MCContext::getMCDwarfLineTable ( unsigned  CUID) const
inline

Definition at line 528 of file MCContext.h.

References assert(), and I.

◆ getMCDwarfLineTables()

const std::map<unsigned, MCDwarfLineTable>& llvm::MCContext::getMCDwarfLineTables ( ) const
inline

Definition at line 520 of file MCContext.h.

Referenced by llvm::MCDwarfLineTable::Emit().

◆ getMCGenDwarfLabelEntries()

const std::vector<MCGenDwarfLabelEntry>& llvm::MCContext::getMCGenDwarfLabelEntries ( ) const
inline

Definition at line 608 of file MCContext.h.

◆ getObjectFileInfo()

const MCObjectFileInfo* llvm::MCContext::getObjectFileInfo ( ) const
inline

◆ getOrCreateFrameAllocSymbol()

MCSymbol * MCContext::getOrCreateFrameAllocSymbol ( StringRef  FuncName,
unsigned  Idx 
)

Gets a symbol that will be defined to the final stack offset of a local variable after codegen.

Parameters
Idx- The index of a local variable passed to @llvm.localescape.

Definition at line 136 of file MCContext.cpp.

References getOrCreateSymbol(), and llvm::MCAsmInfo::getPrivateGlobalPrefix().

Referenced by getUnderlyingArgReg(), and setUseNamesOnTempLabels().

◆ getOrCreateLSDASymbol()

MCSymbol * MCContext::getOrCreateLSDASymbol ( StringRef  FuncName)

◆ getOrCreateParentFrameOffsetSymbol()

MCSymbol * MCContext::getOrCreateParentFrameOffsetSymbol ( StringRef  FuncName)

◆ getOrCreateSymbol()

MCSymbol * MCContext::getOrCreateSymbol ( const Twine Name)

Lookup the symbol inside with the specified Name.

If it exists, return it. If not, create a forward reference and return it.

Parameters
Name- The symbol name, which must be unique across all symbols.

Definition at line 123 of file MCContext.cpp.

References assert(), llvm::StringRef::empty(), and llvm::Twine::toStringRef().

Referenced by llvm::AsmPrinter::doFinalization(), llvm::AMDGPUTargetELFStreamer::EmitAMDGPUSymbolType(), EmitCamlGlobal(), llvm::MipsTargetELFStreamer::emitDirectiveCpLoad(), llvm::MipsTargetELFStreamer::emitDirectiveCpsetup(), llvm::MipsTargetELFStreamer::emitDirectiveEnd(), llvm::X86AsmPrinter::EmitEndOfAsmFile(), llvm::EHStreamer::emitExceptionTable(), llvm::AsmPrinter::EmitGlobalVariable(), EmitNops(), llvm::X86AsmPrinter::EmitStartOfAsmFile(), llvm::MipsAsmPrinter::EmitStartOfAsmFile(), llvm::WinException::endFunclet(), llvm::AVRTargetStreamer::finish(), llvm::SparcMCExpr::fixELFSymbolsInTLSFixups(), llvm::RecordStreamer::flushSymverDirectives(), getCOFFSection(), llvm::MSP430MCInstLower::GetConstantPoolIndexSymbol(), llvm::LanaiMCInstLower::GetConstantPoolIndexSymbol(), llvm::ARMAsmPrinter::GetCPISymbol(), llvm::AsmPrinter::GetCPISymbol(), llvm::MCStreamer::getDwarfLineTableSymbol(), getELFSection(), llvm::AsmPrinter::GetExternalSymbolSymbol(), llvm::NVPTXAsmPrinter::getFunctionFrameSymbol(), llvm::AArch64MCInstLower::GetGlobalAddressSymbol(), llvm::PPCFunctionInfo::getGlobalEPSymbol(), getGlobalOffsetTable(), llvm::MachineFunction::getJTISymbol(), llvm::AsmPrinter::GetJTSetSymbol(), llvm::MSP430MCInstLower::GetJumpTableSymbol(), llvm::LanaiMCInstLower::GetJumpTableSymbol(), llvm::PPCFunctionInfo::getLocalEPSymbol(), getModifierVariantKind(), getOrCreateFrameAllocSymbol(), getOrCreateLSDASymbol(), getOrCreateParentFrameOffsetSymbol(), getPICLabel(), llvm::PPCFunctionInfo::getPICOffsetSymbol(), getRetOpcode(), llvm::TargetMachine::getSymbol(), llvm::MachineBasicBlock::getSymbol(), GetSymbolFromOperand(), llvm::TargetLoweringObjectFile::getSymbolWithGlobalValueBase(), getTLSGetOffset(), llvm::PPCFunctionInfo::getTOCOffsetSymbol(), getWasmSection(), initSlots2Values(), isInSymtab(), IsSmallMemAccess(), isWeak(), llvm::FastISel::lowerCallTo(), llvm::MCParserUtils::parseAssignmentExpression(), llvm::AVROperand::print(), printSymbolOperand(), llvm::FaultMaps::serializeToFaultMapSection(), llvm::StackMaps::serializeToStackMapSection(), llvm::FastISel::CallLoweringInfo::setCallee(), setSymbolValue(), setUseNamesOnTempLabels(), smallData(), llvm::AArch64ExternalSymbolizer::tryAddingSymbolicOperand(), llvm::MCExternalSymbolizer::tryAddingSymbolicOperand(), and VisitGlobalVariableForEmission().

◆ getRegisterInfo()

const MCRegisterInfo* llvm::MCContext::getRegisterInfo ( ) const
inline

◆ getSecureLog()

raw_fd_ostream* llvm::MCContext::getSecureLog ( )
inline

Definition at line 633 of file MCContext.h.

◆ getSecureLogFile()

char* llvm::MCContext::getSecureLogFile ( )
inline

Definition at line 632 of file MCContext.h.

◆ getSecureLogUsed()

bool llvm::MCContext::getSecureLogUsed ( )
inline

Definition at line 639 of file MCContext.h.

◆ getSourceManager()

const SourceMgr* llvm::MCContext::getSourceManager ( ) const
inline

◆ getSubtargetCopy()

MCSubtargetInfo & MCContext::getSubtargetCopy ( const MCSubtargetInfo STI)

◆ getSymbols()

const SymbolTable& llvm::MCContext::getSymbols ( ) const
inline

getSymbols - Get a reference for the symbol table for clients that want to, for example, iterate over all symbols.

'const' because we still want any modifications to the table itself to use the MCContext APIs.

Definition at line 361 of file MCContext.h.

◆ getWasmSection() [1/5]

MCSectionWasm* llvm::MCContext::getWasmSection ( const Twine Section,
SectionKind  K 
)
inline

◆ getWasmSection() [2/5]

MCSectionWasm* llvm::MCContext::getWasmSection ( const Twine Section,
SectionKind  K,
const char BeginSymName 
)
inline

Definition at line 458 of file MCContext.h.

References getWasmSection().

◆ getWasmSection() [3/5]

MCSectionWasm* llvm::MCContext::getWasmSection ( const Twine Section,
SectionKind  K,
const Twine Group,
unsigned  UniqueID 
)
inline

Definition at line 463 of file MCContext.h.

References getSubtargetCopy(), and getWasmSection().

◆ getWasmSection() [4/5]

MCSectionWasm * MCContext::getWasmSection ( const Twine Section,
SectionKind  K,
const Twine Group,
unsigned  UniqueID,
const char BeginSymName 
)

◆ getWasmSection() [5/5]

MCSectionWasm * MCContext::getWasmSection ( const Twine Section,
SectionKind  K,
const MCSymbolWasm Group,
unsigned  UniqueID,
const char BeginSymName 
)

◆ hadError()

bool llvm::MCContext::hadError ( )
inline

Definition at line 648 of file MCContext.h.

References LLVM_ATTRIBUTE_NORETURN, reportError(), and reportFatalError().

◆ hasMCLineSections()

bool llvm::MCContext::hasMCLineSections ( ) const
inline

Definition at line 542 of file MCContext.h.

◆ isDwarfMD5UsageConsistent()

bool llvm::MCContext::isDwarfMD5UsageConsistent ( unsigned  CUID) const
inline

Reports whether MD5 checksum usage is consistent (all-or-none).

Definition at line 565 of file MCContext.h.

References getMCDwarfLineTable(), and llvm::MCDwarfLineTable::isMD5UsageConsistent().

Referenced by parseHexOcta().

◆ isValidDwarfFileNumber()

bool MCContext::isValidDwarfFileNumber ( unsigned  FileNumber,
unsigned  CUID = 0 
)

isValidDwarfFileNumber - takes a dwarf file number and returns true if it currently is assigned and false otherwise.

Definition at line 585 of file MCContext.cpp.

References getDwarfVersion(), llvm::MCDwarfLineTable::getMCDwarfFiles(), getMCDwarfLineTable(), and llvm::MCDwarfLineTable::hasRootFile().

Referenced by setMainFileName().

◆ lookupMacro()

const MCAsmMacro* llvm::MCContext::lookupMacro ( StringRef  Name)
inline

◆ lookupSymbol()

MCSymbol * MCContext::lookupSymbol ( const Twine Name) const

◆ operator=()

MCContext& llvm::MCContext::operator= ( const MCContext )
delete

◆ RemapDebugPaths()

void MCContext::RemapDebugPaths ( )

◆ renameELFSection()

void MCContext::renameELFSection ( MCSectionELF Section,
StringRef  Name 
)

◆ reportError()

void MCContext::reportError ( SMLoc  L,
const Twine Msg 
)

◆ reportFatalError()

void MCContext::reportFatalError ( SMLoc  L,
const Twine Msg 
)

Definition at line 626 of file MCContext.cpp.

References reportError(), and llvm::sys::RunInterruptHandlers().

Referenced by adjustFixupValue(), and hadError().

◆ reset()

void MCContext::reset ( )

◆ setAllowTemporaryLabels()

void llvm::MCContext::setAllowTemporaryLabels ( bool  Value)
inline

◆ setCompilationDir()

void llvm::MCContext::setCompilationDir ( StringRef  S)
inline

Set the compilation directory for DW_AT_comp_dir.

Definition at line 490 of file MCContext.h.

References llvm::StringRef::str().

◆ setCurrentDwarfLoc()

void llvm::MCContext::setCurrentDwarfLoc ( unsigned  FileNum,
unsigned  Line,
unsigned  Column,
unsigned  Flags,
unsigned  Isa,
unsigned  Discriminator 
)
inline

Saves the information from the currently parsed dwarf .loc directive and sets DwarfLocSeen.

When the next instruction is assembled an entry in the line number table with this information and the address of the instruction will be created.

Definition at line 573 of file MCContext.h.

References llvm::MCDwarfLoc::setColumn(), llvm::MCDwarfLoc::setDiscriminator(), llvm::MCDwarfLoc::setFileNum(), llvm::MCDwarfLoc::setFlags(), llvm::MCDwarfLoc::setIsa(), and llvm::MCDwarfLoc::setLine().

Referenced by llvm::MCStreamer::EmitDwarfLocDirective().

◆ setDwarfCompileUnitID()

void llvm::MCContext::setDwarfCompileUnitID ( unsigned  CUIndex)
inline

Definition at line 551 of file MCContext.h.

◆ setDwarfDebugFlags()

void llvm::MCContext::setDwarfDebugFlags ( StringRef  S)
inline

Definition at line 616 of file MCContext.h.

◆ setDwarfDebugProducer()

void llvm::MCContext::setDwarfDebugProducer ( StringRef  S)
inline

Definition at line 619 of file MCContext.h.

◆ setDwarfVersion()

void llvm::MCContext::setDwarfVersion ( uint16_t  v)
inline

Definition at line 627 of file MCContext.h.

◆ setGenDwarfFileNumber()

void llvm::MCContext::setGenDwarfFileNumber ( unsigned  FileNumber)
inline

Definition at line 594 of file MCContext.h.

◆ setGenDwarfForAssembly()

void llvm::MCContext::setGenDwarfForAssembly ( bool  Value)
inline

Definition at line 591 of file MCContext.h.

Referenced by parseHexOcta().

◆ setInlineSourceManager()

void llvm::MCContext::setInlineSourceManager ( SourceMgr SM)
inline

Definition at line 291 of file MCContext.h.

Referenced by srcMgrDiagHandler().

◆ setMainFileName()

void llvm::MCContext::setMainFileName ( StringRef  S)
inline

Set the main file name and override the default.

Definition at line 510 of file MCContext.h.

References getDwarfFile(), isValidDwarfFileNumber(), and llvm::Sched::Source.

◆ setMCLineTableRootFile()

void llvm::MCContext::setMCLineTableRootFile ( unsigned  CUID,
StringRef  CompilationDir,
StringRef  Filename,
MD5::MD5Result Checksum,
Optional< StringRef Source 
)
inline

Specifies the "root" file and directory of the compilation unit.

These are "file 0" and "directory 0" in DWARF v5.

Definition at line 557 of file MCContext.h.

References getMCDwarfLineTable(), and llvm::MCDwarfLineTable::setRootFile().

Referenced by llvm::MCStreamer::emitDwarfFile0Directive().

◆ setSecureLog()

void llvm::MCContext::setSecureLog ( std::unique_ptr< raw_fd_ostream Value)
inline

Definition at line 635 of file MCContext.h.

◆ setSecureLogUsed()

void llvm::MCContext::setSecureLogUsed ( bool  Value)
inline

Definition at line 640 of file MCContext.h.

◆ setSymbolValue()

void MCContext::setSymbolValue ( MCStreamer Streamer,
StringRef  Sym,
uint64_t  Val 
)

◆ setUseNamesOnTempLabels()

void llvm::MCContext::setUseNamesOnTempLabels ( bool  Value)
inline

◆ undefineMacro()

void llvm::MCContext::undefineMacro ( StringRef  Name)
inline

Definition at line 665 of file MCContext.h.

References llvm::StringMap< ValueTy, AllocatorTy >::erase().


The documentation for this class was generated from the following files: