#include "llvm/ObjectYAML/DWARFEmitter.h"
#include "llvm/ADT/ArrayRef.h"
#include "llvm/ADT/StringMap.h"
#include "llvm/ADT/StringRef.h"
#include "llvm/ADT/StringSwitch.h"
#include "llvm/BinaryFormat/Dwarf.h"
#include "llvm/ObjectYAML/DWARFYAML.h"
#include "llvm/Support/Errc.h"
#include "llvm/Support/Error.h"
#include "llvm/Support/Host.h"
#include "llvm/Support/LEB128.h"
#include "llvm/Support/MathExtras.h"
#include "llvm/Support/MemoryBuffer.h"
#include "llvm/Support/SourceMgr.h"
#include "llvm/Support/SwapByteOrder.h"
#include "llvm/Support/YAMLTraits.h"
#include "llvm/Support/raw_ostream.h"
#include <algorithm>
#include <cassert>
#include <cstddef>
#include <cstdint>
#include <memory>
#include <optional>
#include <string>
#include <vector>

Include dependency graph for DWARFEmitter.cpp:

Functions
template<typename T >
static void	writeInteger (T Integer, raw_ostream &OS, bool IsLittleEndian)

static Error	writeVariableSizedInteger (uint64_t Integer, size_t Size, raw_ostream &OS, bool IsLittleEndian)

static void	ZeroFillBytes (raw_ostream &OS, size_t Size)

static void	writeInitialLength (const dwarf::DwarfFormat Format, const uint64_t Length, raw_ostream &OS, bool IsLittleEndian)

static void	writeDWARFOffset (uint64_t Offset, dwarf::DwarfFormat Format, raw_ostream &OS, bool IsLittleEndian)

static Error	emitPubSection (raw_ostream &OS, const DWARFYAML::PubSection &Sect, bool IsLittleEndian, bool IsGNUPubSec=false)

static Expected< uint64_t >	writeDIE (const DWARFYAML::Data &DI, uint64_t CUIndex, uint64_t AbbrevTableID, const dwarf::FormParams &Params, const DWARFYAML::Entry &Entry, raw_ostream &OS, bool IsLittleEndian)

static void	emitFileEntry (raw_ostream &OS, const DWARFYAML::File &File)

static void	writeExtendedOpcode (const DWARFYAML::LineTableOpcode &Op, uint8_t AddrSize, bool IsLittleEndian, raw_ostream &OS)

static void	writeLineTableOpcode (const DWARFYAML::LineTableOpcode &Op, uint8_t OpcodeBase, uint8_t AddrSize, raw_ostream &OS, bool IsLittleEndian)

static std::vector< uint8_t >	getStandardOpcodeLengths (uint16_t Version, std::optional< uint8_t > OpcodeBase)

static Error	checkOperandCount (StringRef EncodingString, ArrayRef< yaml::Hex64 > Values, uint64_t ExpectedOperands)

static Error	writeListEntryAddress (StringRef EncodingName, raw_ostream &OS, uint64_t Addr, uint8_t AddrSize, bool IsLittleEndian)

static Expected< uint64_t >	writeDWARFExpression (raw_ostream &OS, const DWARFYAML::DWARFOperation &Operation, uint8_t AddrSize, bool IsLittleEndian)

static Expected< uint64_t >	writeListEntry (raw_ostream &OS, const DWARFYAML::RnglistEntry &Entry, uint8_t AddrSize, bool IsLittleEndian)

static Expected< uint64_t >	writeListEntry (raw_ostream &OS, const DWARFYAML::LoclistEntry &Entry, uint8_t AddrSize, bool IsLittleEndian)

template<typename EntryType >
static Error	writeDWARFLists (raw_ostream &OS, ArrayRef< DWARFYAML::ListTable< EntryType >> Tables, bool IsLittleEndian, bool Is64BitAddrSize)

static Error	emitDebugSectionImpl (const DWARFYAML::Data &DI, StringRef Sec, StringMap< std::unique_ptr< MemoryBuffer >> &OutputBuffers)

Detailed Description

The DWARF component of yaml2obj. Provided as library code for tests.

Definition in file DWARFEmitter.cpp.

Function Documentation

◆ checkOperandCount()

static Error checkOperandCount	(	StringRef	EncodingString,
		ArrayRef< yaml::Hex64 >	Values,
		uint64_t	ExpectedOperands
	)

static

Definition at line 694 of file DWARFEmitter.cpp.

References llvm::createStringError(), llvm::invalid_argument, llvm::ArrayRef< T >::size(), llvm::StringRef::str(), and llvm::Error::success().

Referenced by writeDWARFExpression().

◆ emitDebugSectionImpl()

static Error emitDebugSectionImpl	(	const DWARFYAML::Data &	DI,
		StringRef	Sec,
		StringMap< std::unique_ptr< MemoryBuffer >> &	OutputBuffers
	)

static

Definition at line 1036 of file DWARFEmitter.cpp.

References llvm::Data, and llvm::DWARFYAML::getDWARFEmitterByName.

◆ emitFileEntry()

static void emitFileEntry	(	raw_ostream &	OS,
		const DWARFYAML::File &	File
	)

static

Definition at line 475 of file DWARFEmitter.cpp.

References llvm::encodeULEB128(), and llvm::raw_ostream::write().

Referenced by llvm::DWARFYAML::emitDebugLine(), and writeExtendedOpcode().

◆ emitPubSection()

static Error emitPubSection	(	raw_ostream &	OS,
		const DWARFYAML::PubSection &	Sect,
		bool	IsLittleEndian,
		bool	IsGNUPubSec = `false`
	)

static

Definition at line 227 of file DWARFEmitter.cpp.

References llvm::DWARFYAML::PubSection::Format, llvm::DWARFYAML::PubSection::Length, llvm::DWARFYAML::PubSection::UnitOffset, llvm::DWARFYAML::PubSection::UnitSize, llvm::DWARFYAML::PubSection::Version, writeInitialLength(), and writeInteger().

Referenced by llvm::DWARFYAML::emitDebugGNUPubnames(), llvm::DWARFYAML::emitDebugGNUPubtypes(), llvm::DWARFYAML::emitDebugPubnames(), and llvm::DWARFYAML::emitDebugPubtypes().

◆ getStandardOpcodeLengths()

static std::vector<uint8_t> getStandardOpcodeLengths	(	uint16_t	Version,
		std::optional< uint8_t >	OpcodeBase
	)

static

Definition at line 556 of file DWARFEmitter.cpp.

References llvm::IndexedInstrProf::Version.

Referenced by llvm::DWARFYAML::emitDebugLine().

◆ writeDIE()

static Expected<uint64_t> writeDIE	(	const DWARFYAML::Data &	DI,
		uint64_t	CUIndex,
		uint64_t	AbbrevTableID,
		const dwarf::FormParams &	Params,
		const DWARFYAML::Entry &	Entry,
		raw_ostream &	OS,
		bool	IsLittleEndian
	)