DwarfEmitter presents interface to generate all debug info tables. More...

#include "llvm/DWARFLinker/DWARFLinker.h"

Inheritance diagram for llvm::DwarfEmitter:

Public Member Functions
virtual	~DwarfEmitter ()

virtual void	emitPaperTrailWarningsDie (DIE &Die)=0
	Emit DIE containing warnings.

virtual void	emitSectionContents (StringRef SecData, StringRef SecName)=0
	Emit section named SecName with data SecData.

virtual void	emitAbbrevs (const std::vector< std::unique_ptr< DIEAbbrev > > &Abbrevs, unsigned DwarfVersion)=0
	Emit the abbreviation table `Abbrevs` to the .debug_abbrev section.

virtual void	emitStrings (const NonRelocatableStringpool &Pool)=0
	Emit the string table described by `Pool`.

virtual void	emitDebugNames (AccelTable< DWARF5AccelTableStaticData > &Table)=0
	Emit DWARF debug names.

virtual void	emitAppleNamespaces (AccelTable< AppleAccelTableStaticOffsetData > &Table)=0
	Emit Apple namespaces accelerator table.

virtual void	emitAppleNames (AccelTable< AppleAccelTableStaticOffsetData > &Table)=0
	Emit Apple names accelerator table.

virtual void	emitAppleObjc (AccelTable< AppleAccelTableStaticOffsetData > &Table)=0
	Emit Apple Objective-C accelerator table.

virtual void	emitAppleTypes (AccelTable< AppleAccelTableStaticTypeData > &Table)=0
	Emit Apple type accelerator table.

virtual MCSymbol *	emitDwarfDebugRangeListHeader (const CompileUnit &Unit)=0
	Emit debug ranges (.debug_ranges, .debug_rnglists) header.

virtual void	emitDwarfDebugRangeListFragment (const CompileUnit &Unit, const AddressRanges &LinkedRanges, PatchLocation Patch)=0
	Emit debug ranges (.debug_ranges, .debug_rnglists) fragment.

virtual void	emitDwarfDebugRangeListFooter (const CompileUnit &Unit, MCSymbol *EndLabel)=0
	Emit debug ranges (.debug_ranges, .debug_rnglists) footer.

virtual MCSymbol *	emitDwarfDebugLocListHeader (const CompileUnit &Unit)=0
	Emit debug locations (.debug_loc, .debug_loclists) header.

virtual void	emitDwarfDebugLocListFragment (const CompileUnit &Unit, const DWARFLocationExpressionsVector &LinkedLocationExpression, PatchLocation Patch)=0
	Emit debug locations (.debug_loc, .debug_loclists) fragment.

virtual void	emitDwarfDebugLocListFooter (const CompileUnit &Unit, MCSymbol *EndLabel)=0
	Emit debug locations (.debug_loc, .debug_loclists) footer.

virtual void	emitDwarfDebugArangesTable (const CompileUnit &Unit, const AddressRanges &LinkedRanges)=0
	Emit .debug_aranges entries for `Unit`.

virtual void	translateLineTable (DataExtractor LineData, uint64_t Offset)=0
	Copy the .debug_line over to the updated binary while unobfuscating the file names and directories.

virtual void	emitLineTableForUnit (MCDwarfLineTableParams Params, StringRef PrologueBytes, unsigned MinInstLength, std::vector< DWARFDebugLine::Row > &Rows, unsigned AdddressSize)=0
	Emit the line table described in `Rows` into the .debug_line section.

virtual void	emitPubNamesForUnit (const CompileUnit &Unit)=0
	Emit the .debug_pubnames contribution for `Unit`.

virtual void	emitPubTypesForUnit (const CompileUnit &Unit)=0
	Emit the .debug_pubtypes contribution for `Unit`.

virtual void	emitCIE (StringRef CIEBytes)=0
	Emit a CIE.

virtual void	emitFDE (uint32_t CIEOffset, uint32_t AddreSize, uint64_t Address, StringRef Bytes)=0
	Emit an FDE with data `Bytes`.

virtual void	emitCompileUnitHeader (CompileUnit &Unit, unsigned DwarfVersion)=0
	Emit the compilation unit header for `Unit` in the .debug_info section.

virtual void	emitDIE (DIE &Die)=0
	Recursively emit the DIE tree rooted at `Die`.

virtual void	emitMacroTables (DWARFContext *Context, const Offset2UnitMap &UnitMacroMap, OffsetsStringPool &StringPool)=0
	Emit all available macro tables(DWARFv4 and DWARFv5).

virtual uint64_t	getLineSectionSize () const =0
	Returns size of generated .debug_line section.

virtual uint64_t	getFrameSectionSize () const =0
	Returns size of generated .debug_frame section.

virtual uint64_t	getRangesSectionSize () const =0
	Returns size of generated .debug_ranges section.

virtual uint64_t	getRngListsSectionSize () const =0
	Returns size of generated .debug_rnglists section.

virtual uint64_t	getDebugInfoSectionSize () const =0
	Returns size of generated .debug_info section.

virtual uint64_t	getDebugMacInfoSectionSize () const =0
	Returns size of generated .debug_macinfo section.

virtual uint64_t	getDebugMacroSectionSize () const =0
	Returns size of generated .debug_macro section.

virtual uint64_t	getLocListsSectionSize () const =0
	Returns size of generated .debug_loclists section.

Detailed Description

DwarfEmitter presents interface to generate all debug info tables.

Definition at line 82 of file DWARFLinker.h.

Constructor & Destructor Documentation

◆ ~DwarfEmitter()

llvm::DwarfEmitter::~DwarfEmitter ( )

virtualdefault

Member Function Documentation

◆ emitAbbrevs()

virtual void llvm::DwarfEmitter::emitAbbrevs	(	const std::vector< std::unique_ptr< DIEAbbrev > > &	Abbrevs,
		unsigned	DwarfVersion
	)

pure virtual

Emit the abbreviation table Abbrevs to the .debug_abbrev section.

Implemented in llvm::DwarfStreamer.

Referenced by llvm::DWARFLinker::link().

◆ emitAppleNames()

virtual void llvm::DwarfEmitter::emitAppleNames ( AccelTable< AppleAccelTableStaticOffsetData > & Table )

pure virtual

Emit Apple names accelerator table.

Implemented in llvm::DwarfStreamer.

Referenced by llvm::DWARFLinker::link().

◆ emitAppleNamespaces()

virtual void llvm::DwarfEmitter::emitAppleNamespaces ( AccelTable< AppleAccelTableStaticOffsetData > & Table )

pure virtual

Emit Apple namespaces accelerator table.

Implemented in llvm::DwarfStreamer.

Referenced by llvm::DWARFLinker::link().

◆ emitAppleObjc()

virtual void llvm::DwarfEmitter::emitAppleObjc ( AccelTable< AppleAccelTableStaticOffsetData > & Table )

pure virtual

Emit Apple Objective-C accelerator table.

Implemented in llvm::DwarfStreamer.

Referenced by llvm::DWARFLinker::link().

◆ emitAppleTypes()

virtual void llvm::DwarfEmitter::emitAppleTypes ( AccelTable< AppleAccelTableStaticTypeData > & Table )

pure virtual

Emit Apple type accelerator table.

Implemented in llvm::DwarfStreamer.

Referenced by llvm::DWARFLinker::link().

◆ emitCIE()

virtual void llvm::DwarfEmitter::emitCIE ( StringRef CIEBytes )

pure virtual

Emit a CIE.

Implemented in llvm::DwarfStreamer.

◆ emitCompileUnitHeader()

virtual void llvm::DwarfEmitter::emitCompileUnitHeader	(	CompileUnit &	Unit,
		unsigned	DwarfVersion
	)

pure virtual

Emit the compilation unit header for Unit in the .debug_info section.

As a side effect, this also switches the current Dwarf version of the MC layer to the one of U.getOrigUnit().

Implemented in llvm::DwarfStreamer.

◆ emitDebugNames()

virtual void llvm::DwarfEmitter::emitDebugNames ( AccelTable< DWARF5AccelTableStaticData > & Table )

pure virtual

Emit DWARF debug names.

Implemented in llvm::DwarfStreamer.

Referenced by llvm::DWARFLinker::link().

◆ emitDIE()

virtual void llvm::DwarfEmitter::emitDIE ( DIE & Die )

pure virtual

Recursively emit the DIE tree rooted at Die.

Implemented in llvm::DwarfStreamer.

◆ emitDwarfDebugArangesTable()

virtual void llvm::DwarfEmitter::emitDwarfDebugArangesTable	(	const CompileUnit &	Unit,
		const AddressRanges &	LinkedRanges
	)

pure virtual

Emit .debug_aranges entries for Unit.

Implemented in llvm::DwarfStreamer.

◆ emitDwarfDebugLocListFooter()

virtual void llvm::DwarfEmitter::emitDwarfDebugLocListFooter	(	const CompileUnit &	Unit,
		MCSymbol *	EndLabel
	)

pure virtual

Emit debug locations (.debug_loc, .debug_loclists) footer.

Implemented in llvm::DwarfStreamer.

◆ emitDwarfDebugLocListFragment()

virtual void llvm::DwarfEmitter::emitDwarfDebugLocListFragment	(	const CompileUnit &	Unit,
		const DWARFLocationExpressionsVector &	LinkedLocationExpression,
		PatchLocation	Patch
	)

pure virtual

Emit debug locations (.debug_loc, .debug_loclists) fragment.

Implemented in llvm::DwarfStreamer.

◆ emitDwarfDebugLocListHeader()

virtual MCSymbol * llvm::DwarfEmitter::emitDwarfDebugLocListHeader ( const CompileUnit & Unit )

pure virtual

Emit debug locations (.debug_loc, .debug_loclists) header.

Implemented in llvm::DwarfStreamer.

◆ emitDwarfDebugRangeListFooter()

virtual void llvm::DwarfEmitter::emitDwarfDebugRangeListFooter	(	const CompileUnit &	Unit,
		MCSymbol *	EndLabel
	)

pure virtual

Emit debug ranges (.debug_ranges, .debug_rnglists) footer.

Implemented in llvm::DwarfStreamer.

◆ emitDwarfDebugRangeListFragment()

virtual void llvm::DwarfEmitter::emitDwarfDebugRangeListFragment	(	const CompileUnit &	Unit,
		const AddressRanges &	LinkedRanges,
		PatchLocation	Patch
	)

pure virtual

Emit debug ranges (.debug_ranges, .debug_rnglists) fragment.

Implemented in llvm::DwarfStreamer.

◆ emitDwarfDebugRangeListHeader()

virtual MCSymbol * llvm::DwarfEmitter::emitDwarfDebugRangeListHeader ( const CompileUnit & Unit )

pure virtual

Emit debug ranges (.debug_ranges, .debug_rnglists) header.

Implemented in llvm::DwarfStreamer.

◆ emitFDE()

virtual void llvm::DwarfEmitter::emitFDE	(	uint32_t	CIEOffset,
		uint32_t	AddreSize,
		uint64_t	Address,
		StringRef	Bytes
	)

pure virtual

Emit an FDE with data Bytes.

Implemented in llvm::DwarfStreamer.

◆ emitLineTableForUnit()

virtual void llvm::DwarfEmitter::emitLineTableForUnit	(	MCDwarfLineTableParams	Params,
		StringRef	PrologueBytes,
		unsigned	MinInstLength,
		std::vector< DWARFDebugLine::Row > &	Rows,
		unsigned	AdddressSize
	)

pure virtual

Emit the line table described in Rows into the .debug_line section.

Implemented in llvm::DwarfStreamer.

◆ emitMacroTables()

virtual void llvm::DwarfEmitter::emitMacroTables	(	DWARFContext *	Context,
		const Offset2UnitMap &	UnitMacroMap,
		OffsetsStringPool &	StringPool
	)

pure virtual

Emit all available macro tables(DWARFv4 and DWARFv5).

Use UnitMacroMap to get compilation unit by macro table offset. Side effects: Fill StringPool with macro strings, update DW_AT_macro_info, DW_AT_macros attributes for corresponding compile units.

Implemented in llvm::DwarfStreamer.