llvm::DWARFVerifier Class Reference

A class that verifies DWARF debug information given a DWARF Context. More...

#include "llvm/DebugInfo/DWARF/DWARFVerifier.h"

Classes
struct	DieRangeInfo
	A class that keeps the address range information for a single DIE. More...

Public Member Functions
LLVM_ABI	DWARFVerifier (raw_ostream &S, DWARFContext &D, DIDumpOptions DumpOpts=DIDumpOptions::getForSingleDIE())
LLVM_ABI bool	handleDebugAbbrev ()
	Verify the information in any of the following sections, if available: .debug_abbrev, debug_abbrev.dwo.
LLVM_ABI bool	handleDebugInfo ()
	Verify the information in the .debug_info and .debug_types sections.
LLVM_ABI bool	handleDebugCUIndex ()
	Verify the information in the .debug_cu_index section.
LLVM_ABI bool	handleDebugTUIndex ()
	Verify the information in the .debug_tu_index section.
LLVM_ABI bool	handleDebugLine ()
	Verify the information in the .debug_line section.
LLVM_ABI bool	handleAccelTables ()
	Verify the information in accelerator tables, if they exist.
LLVM_ABI bool	handleDebugStrOffsets ()
	Verify the information in the .debug_str_offsets[.dwo].
LLVM_ABI bool	verifyDebugStrOffsets (std::optional< dwarf::DwarfFormat > LegacyFormat, StringRef SectionName, const DWARFSection &Section, StringRef StrData)
LLVM_ABI void	summarize ()
	Emits any aggregate information collected, depending on the dump options.

Detailed Description

A class that verifies DWARF debug information given a DWARF Context.

Definition at line 68 of file DWARFVerifier.h.

Constructor & Destructor Documentation

DWARFVerifier()

DWARFVerifier::DWARFVerifier	(	raw_ostream &	S,
		DWARFContext &	D,
		DIDumpOptions	DumpOpts = DIDumpOptions::getForSingleDIE() )

Definition at line 1115 of file DWARFVerifier.cpp.

References D(), F, if(), llvm::move(), and llvm::DIDumpOptions::Verbose.

Member Function Documentation

handleAccelTables()

bool DWARFVerifier::handleAccelTables

(

)

Verify the information in accelerator tables, if they exist.

Any errors are reported to the stream that was this object was constructed with.

Returns

true if the existing Apple-style accelerator tables verify successfully, false otherwise.

Definition at line 2096 of file DWARFVerifier.cpp.

References D().

Referenced by llvm::DWARFContext::verify().

handleDebugAbbrev()

bool DWARFVerifier::handleDebugAbbrev

(

)

Verify the information in any of the following sections, if available: .debug_abbrev, debug_abbrev.dwo.

Any errors are reported to the stream that was this object was constructed with.

Returns

true if .debug_abbrev and .debug_abbrev.dwo verify successfully, false otherwise.

Definition at line 404 of file DWARFVerifier.cpp.

References llvm::StringRef::empty(), llvm::DWARFObject::getAbbrevDWOSection(), and llvm::DWARFObject::getAbbrevSection().

Referenced by llvm::DWARFContext::verify().

handleDebugCUIndex()

bool DWARFVerifier::handleDebugCUIndex

(

)

Verify the information in the .debug_cu_index section.

Any errors are reported to the stream that was this object was constructed with.

Returns

true if the .debug_cu_index verifies successfully, false otherwise.

Definition at line 524 of file DWARFVerifier.cpp.

Referenced by llvm::DWARFContext::verify().

handleDebugInfo()

bool DWARFVerifier::handleDebugInfo

(

)

Verify the information in the .debug_info and .debug_types sections.

Any errors are reported to the stream that this object was constructed with.

Returns

true if all sections verify successfully, false otherwise.

Definition at line 534 of file DWARFVerifier.cpp.

References llvm::DWARFObject::forEachInfoSections(), and llvm::DWARFObject::forEachTypesSections().

Referenced by llvm::DWARFContext::verify().

handleDebugLine()

bool DWARFVerifier::handleDebugLine

(

)

Verify the information in the .debug_line section.

Any errors are reported to the stream that was this object was constructed with.

Returns

true if the .debug_line verifies successfully, false otherwise.

Definition at line 1127 of file DWARFVerifier.cpp.

Referenced by llvm::DWARFContext::verify().

handleDebugStrOffsets()

bool DWARFVerifier::handleDebugStrOffsets

(

)

Verify the information in the .debug_str_offsets[.dwo].

Any errors are reported to the stream that was this object was constructed with.

Returns

true if the .debug_line verifies successfully, false otherwise.

Definition at line 2114 of file DWARFVerifier.cpp.

References llvm::DWARFObject::forEachInfoDWOSections(), llvm::DWARFDataExtractorBase< Relocator >::getInitialLength(), llvm::DWARFObject::getStrDWOSection(), llvm::DWARFObject::getStrOffsetsDWOSection(), llvm::DWARFObject::getStrOffsetsSection(), llvm::DWARFObject::getStrSection(), llvm::DataExtractor::getU16(), llvm::Offset, llvm::Success, and verifyDebugStrOffsets().

Referenced by llvm::DWARFContext::verify().

handleDebugTUIndex()

bool DWARFVerifier::handleDebugTUIndex

(

)

Verify the information in the .debug_tu_index section.

Any errors are reported to the stream that was this object was constructed with.

Returns

true if the .debug_tu_index verifies successfully, false otherwise.

Definition at line 529 of file DWARFVerifier.cpp.

References llvm::DW_SECT_EXT_TYPES.

Referenced by llvm::DWARFContext::verify().

summarize()

void DWARFVerifier::summarize

(

)

Emits any aggregate information collected, depending on the dump options.

Definition at line 2285 of file DWARFVerifier.cpp.

References llvm::Count, llvm::count(), error, llvm::sys::fs::OF_Text, and llvm::json::Object::try_emplace().

Referenced by llvm::DWARFContext::verify().

verifyDebugStrOffsets()

bool DWARFVerifier::verifyDebugStrOffsets	(	std::optional< dwarf::DwarfFormat >	LegacyFormat,
		StringRef	SectionName,
		const DWARFSection &	Section,
		StringRef	StrData )

Definition at line 2144 of file DWARFVerifier.cpp.

References llvm::CallingConv::C, error, llvm::Format, llvm::formatv(), llvm::dwarf::getDwarfOffsetByteSize(), llvm::Length, llvm::StringRef::size(), llvm::Success, llvm::toString(), and llvm::Version.

Referenced by handleDebugStrOffsets().

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

• include/llvm/DebugInfo/DWARF/DWARFVerifier.h
• lib/DebugInfo/DWARF/DWARFVerifier.cpp