LLVM: llvm::CodeViewContext Class Reference (original) (raw)

Holds state from .cv_file and .cv_loc directives for later emission. More...

#include "[llvm/MC/MCCodeView.h](MCCodeView%5F8h%5Fsource.html)"

Public Member Functions
CodeViewContext (MCContext *MCCtx)
CodeViewContext & operator= (const CodeViewContext &other)=delete
CodeViewContext (const CodeViewContext &other)=delete
void finish ()
bool isValidFileNumber (unsigned FileNumber) const
This is a valid number for use with .cv_loc if we've already seen a .cv_file for it.
bool addFile (MCStreamer &OS, unsigned FileNumber, StringRef Filename, ArrayRef< uint8_t > ChecksumBytes, uint8_t ChecksumKind)
bool recordFunctionId (unsigned FuncId)
Records the function id of a normal function.
bool recordInlinedCallSiteId (unsigned FuncId, unsigned IAFunc, unsigned IAFile, unsigned IALine, unsigned IACol)
Records the function id of an inlined call site.
MCCVFunctionInfo * getCVFunctionInfo (unsigned FuncId)
Retreive the function info if this is a valid function id, or nullptr.
void recordCVLoc (MCContext &Ctx, const MCSymbol *Label, unsigned FunctionId, unsigned FileNo, unsigned Line, unsigned Column, bool PrologueEnd, bool IsStmt)
Saves the information from the currently parsed .cv_loc directive and sets CVLocSeen.
void addLineEntry (const MCCVLoc &LineEntry)
Add a line entry.
std::vector< MCCVLoc > getFunctionLineEntries (unsigned FuncId)
std::pair< size_t, size_t > getLineExtent (unsigned FuncId)
std::pair< size_t, size_t > getLineExtentIncludingInlinees (unsigned FuncId)
ArrayRef< MCCVLoc > getLinesForExtent (size_t L, size_t R)
void emitLineTableForFunction (MCObjectStreamer &OS, unsigned FuncId, const MCSymbol *FuncBegin, const MCSymbol *FuncEnd)
Emits a line table substream.
void emitInlineLineTableForFunction (MCObjectStreamer &OS, unsigned PrimaryFunctionId, unsigned SourceFileId, unsigned SourceLineNum, const MCSymbol *FnStartSym, const MCSymbol *FnEndSym)
void encodeInlineLineTable (const MCAssembler &Asm, MCCVInlineLineTableFragment &F)
Encodes the binary annotations once we have a layout.
void emitDefRange (MCObjectStreamer &OS, ArrayRef< std::pair< const MCSymbol *, const MCSymbol * > > Ranges, StringRef FixedSizePortion)
void encodeDefRange (const MCAssembler &Asm, MCCVDefRangeFragment &F)
void emitStringTable (MCObjectStreamer &OS)
Emits the string table substream.
void emitFileChecksums (MCObjectStreamer &OS)
Emits the file checksum substream.
void emitFileChecksumOffset (MCObjectStreamer &OS, unsigned FileNo)
Emits the offset into the checksum table of the given file number.
std::pair< StringRef, unsigned > addToStringTable (StringRef S)
Add something to the string table.

Holds state from .cv_file and .cv_loc directives for later emission.

Definition at line 144 of file MCCodeView.h.

llvm::CodeViewContext::CodeViewContext ( MCContext * MCCtx) inline

◆ CodeViewContext() [2/2]

◆ addFile()

◆ addLineEntry()

void CodeViewContext::addLineEntry ( const MCCVLoc & LineEntry )

◆ addToStringTable()

Add something to the string table.

Returns the final string as well as offset into the string table.

Definition at line 136 of file MCCodeView.cpp.

Referenced by addFile().

◆ emitDefRange()

◆ emitFileChecksumOffset()

◆ emitFileChecksums()

Emits the file checksum substream.

Definition at line 181 of file MCCodeView.cpp.

References llvm::alignTo(), llvm::MCConstantExpr::create(), llvm::MCObjectStreamer::emitAbsoluteSymbolDiff(), llvm::MCObjectStreamer::emitAssignment(), llvm::MCObjectStreamer::emitBytes(), llvm::MCStreamer::emitInt32(), llvm::MCStreamer::emitInt8(), llvm::MCObjectStreamer::emitLabel(), llvm::MCObjectStreamer::emitValueToAlignment(), llvm::codeview::FileChecksums, llvm::MCStreamer::getContext(), and llvm::toStringRef().

Referenced by llvm::MCObjectStreamer::emitCVFileChecksumsDirective().

◆ emitInlineLineTableForFunction()

◆ emitLineTableForFunction()

Emits a line table substream.

Definition at line 338 of file MCCodeView.cpp.

References llvm::MCStreamer::AddComment(), llvm::any_of(), llvm::MCObjectStreamer::emitAbsoluteSymbolDiff(), llvm::MCStreamer::emitCOFFSecRel32(), llvm::MCStreamer::emitCOFFSectionIndex(), llvm::MCObjectStreamer::emitCVFileChecksumOffsetDirective(), llvm::MCStreamer::emitInt16(), llvm::MCStreamer::emitInt32(), llvm::MCObjectStreamer::emitLabel(), llvm::MCCVLoc::getColumn(), llvm::MCStreamer::getContext(), getFunctionLineEntries(), I, llvm::codeview::LF_HaveColumns, llvm::codeview::Lines, and llvm::codeview::LineInfo::StatementFlag.

Referenced by llvm::MCObjectStreamer::emitCVLinetableDirective().

◆ emitStringTable()

◆ encodeDefRange()

Definition at line 609 of file MCCodeView.cpp.

References assert(), computeLabelDiff(), llvm::MCConstantExpr::create(), llvm::MCFixup::create(), llvm::MCSymbolRefExpr::create(), llvm::MCBinaryExpr::createAdd(), llvm::FK_SecRel_2, llvm::FK_SecRel_4, llvm::MCCVDefRangeFragment::getFixedSizePortion(), llvm::MCCVDefRangeFragment::getRanges(), I, llvm::little, llvm::codeview::MaxDefRange, llvm::SmallVectorTemplateBase< T, bool >::push_back(), Range, llvm::MCFragment::setVarContents(), llvm::MCFragment::setVarFixups(), llvm::SmallVectorTemplateCommon< T, typename >::size(), llvm::StringRef::size(), and llvm::support::endian::Writer::write().

◆ encodeInlineLineTable()

Encodes the binary annotations once we have a layout.

Definition at line 472 of file MCCodeView.cpp.

References assert(), llvm::codeview::ChangeCodeLength, llvm::codeview::ChangeCodeOffset, llvm::codeview::ChangeCodeOffsetAndLineOffset, llvm::codeview::ChangeFile, llvm::codeview::ChangeLineOffset, compressAnnotation(), computeLabelDiff(), llvm::ArrayRef< T >::empty(), encodeSignedNumber(), llvm::errs(), llvm::MCCVFunctionInfo::LineInfo::File, llvm::ArrayRef< T >::front(), getCVFunctionInfo(), llvm::MCCVInlineLineTableFragment::getFnEndSym(), llvm::MCCVInlineLineTableFragment::getFnStartSym(), getLineExtentIncludingInlinees(), getLinesForExtent(), llvm::MCSymbol::getSection(), llvm::MCConstantExpr::getValue(), I, llvm::MCCVFunctionInfo::InlinedAtMap, llvm::Length, llvm::MCCVFunctionInfo::LineInfo::Line, llvm_unreachable, llvm::codeview::MaxRecordLength, llvm::MCCVLoc::setFileNum(), llvm::MCCVLoc::setLabel(), llvm::MCCVLoc::setLine(), llvm::MCFragment::setVarContents(), and llvm::SmallVectorTemplateCommon< T, typename >::size().

◆ finish()

void CodeViewContext::finish ( )

◆ getCVFunctionInfo()

◆ getFunctionLineEntries()

std::vector< MCCVLoc > CodeViewContext::getFunctionLineEntries ( unsigned FuncId )

◆ getLineExtent()

std::pair< size_t, size_t > CodeViewContext::getLineExtent ( unsigned FuncId )

◆ getLineExtentIncludingInlinees()

std::pair< size_t, size_t > CodeViewContext::getLineExtentIncludingInlinees ( unsigned FuncId )

◆ getLinesForExtent()

ArrayRef< MCCVLoc > CodeViewContext::getLinesForExtent ( size_t L,
size_t R )

◆ isValidFileNumber()

bool CodeViewContext::isValidFileNumber ( unsigned FileNumber ) const

This is a valid number for use with .cv_loc if we've already seen a .cv_file for it.

Definition at line 37 of file MCCodeView.cpp.

◆ operator=()

◆ recordCVLoc()

◆ recordFunctionId()

◆ recordInlinedCallSiteId()

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