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Public Types | Public Member Functions | Static Public Member Functions | Protected Attributes | List of all members
lldb_private::plugin::dwarf::DWARFFormValue Class Reference

#include <DWARFFormValue.h>

Public Types

enum  {
  eValueTypeInvalid = 0 , eValueTypeUnsigned , eValueTypeSigned , eValueTypeCStr ,
  eValueTypeBlock
}
typedef llvm::DWARFFormValue::ValueType ValueType

Public Member Functions

 DWARFFormValue ()=default
 DWARFFormValue (const DWARFUnit *unit)
 DWARFFormValue (const DWARFUnit *unit, dw_form_t form)
const DWARFUnit * GetUnit () const
void SetUnit (const DWARFUnit *unit)
dw_form_t Form () const
dw_form_t & FormRef ()
void SetForm (dw_form_t form)
const ValueType & Value () const
ValueType & ValueRef ()
void SetValue (const ValueType &val)
void Dump (Stream &s) const
bool ExtractValue (const DWARFDataExtractor &data, lldb::offset_t *offset_ptr)
const uint8_t * BlockData () const
std::optional< uint8_t > GetFixedSize () const
DWARFDIE Reference () const
std::pair< DWARFUnit *, uint64_t > ReferencedUnitAndOffset () const
 If this is a reference to another DIE, return the corresponding DWARFUnit and DIE offset such that Unit->GetDIE(offset) produces the desired DIE.
uint64_t Reference (dw_offset_t offset) const
bool Boolean () const
uint64_t Unsigned () const
void SetUnsigned (uint64_t uval)
int64_t Signed () const
void SetSigned (int64_t sval)
const char * AsCString () const
dw_addr_t Address () const
bool IsValid () const
bool SkipValue (const DWARFDataExtractor &debug_info_data, lldb::offset_t *offset_ptr) const
void Clear ()
std::optional< uint64_t > getAsUnsignedConstant () const
std::optional< int64_t > getAsSignedConstant () const
const char * getAsCString () const

Static Public Member Functions

static std::optional< uint8_t > GetFixedSize (dw_form_t form, const DWARFUnit *u)
static bool SkipValue (const dw_form_t form, const DWARFDataExtractor &debug_info_data, lldb::offset_t *offset_ptr, const DWARFUnit *unit)
static bool IsBlockForm (const dw_form_t form)
static bool IsDataForm (const dw_form_t form)
static int Compare (const DWARFFormValue &a, const DWARFFormValue &b)
static bool FormIsSupported (dw_form_t form)

Protected Attributes

const DWARFUnit * m_unit = nullptr
dw_form_t m_form = dw_form_t(0)
ValueType m_value

Detailed Description

Definition at line 22 of file DWARFFormValue.h.

Member Typedef Documentation

◆ ValueType

typedef llvm::DWARFFormValue::ValueType lldb_private::plugin::dwarf::DWARFFormValue::ValueType

Definition at line 24 of file DWARFFormValue.h.

Member Enumeration Documentation

◆ anonymous enum

anonymous enum
Enumerator
eValueTypeInvalid 
eValueTypeUnsigned 
eValueTypeSigned 
eValueTypeCStr 
eValueTypeBlock 

Definition at line 25 of file DWARFFormValue.h.

Constructor & Destructor Documentation

◆ DWARFFormValue() [1/3]

lldb_private::plugin::dwarf::DWARFFormValue::DWARFFormValue ( )
default

Referenced by Compare().

◆ DWARFFormValue() [2/3]

lldb_private::plugin::dwarf::DWARFFormValue::DWARFFormValue ( const DWARFUnit * unit)
inline

Definition at line 34 of file DWARFFormValue.h.

References m_unit.

◆ DWARFFormValue() [3/3]

lldb_private::plugin::dwarf::DWARFFormValue::DWARFFormValue ( const DWARFUnit * unit,
dw_form_t form )
inline

Definition at line 35 of file DWARFFormValue.h.

References m_form, and m_unit.

Member Function Documentation

◆ Address()

dw_addr_t DWARFFormValue::Address ( ) const

Definition at line 479 of file DWARFFormValue.cpp.

References lldb_private::plugin::dwarf::SymbolFileDWARF::GetDWARFContext(), lldb_private::DataExtractor::GetMaxU64(), lldb_private::plugin::dwarf::DWARFContext::getOrLoadAddrData(), m_form, m_unit, m_value, and Unsigned().

Referenced by lldb_private::plugin::dwarf::DWARFUnit::AddUnitDIE(), lldb_private::plugin::dwarf::SymbolFileDWARF::CollectCallEdges(), lldb_private::plugin::dwarf::DWARFDebugInfoEntry::GetAttributeHighPC(), lldb_private::plugin::dwarf::DWARFDebugInfoEntry::GetAttributeValueAsAddress(), and lldb_private::plugin::dwarf::DWARFDebugInfoEntry::GetDIENamesAndRanges().

◆ AsCString()

const char * DWARFFormValue::AsCString ( ) const

Definition at line 454 of file DWARFFormValue.cpp.

References lldb_private::plugin::dwarf::DWARFContext::getOrLoadLineStrData(), lldb_private::plugin::dwarf::DWARFContext::getOrLoadStrData(), m_form, m_unit, m_value, and lldb_private::DataExtractor::PeekCStr().

Referenced by Dump(), getAsCString(), lldb_private::plugin::dwarf::DWARFDebugInfoEntry::GetAttributeValueAsString(), lldb_private::plugin::dwarf::DWARFDebugInfoEntry::GetDIENamesAndRanges(), GetExprListFromAtConstValue(), lldb_private::plugin::dwarf::ManualDWARFIndex::IndexUnitImpl(), DWARFASTParserClang::MemberAttributes::MemberAttributes(), DWARFASTParserClang::ParseChildEnumerators(), ParsedDWARFTypeAttributes::ParsedDWARFTypeAttributes(), DWARFASTParserClang::ParseTemplateDIE(), and lldb_private::plugin::dwarf::SymbolFileDWARF::ParseVariableDIE().

◆ BlockData()

const uint8_t * DWARFFormValue::BlockData ( ) const

Definition at line 591 of file DWARFFormValue.cpp.

References m_value.

Referenced by lldb_private::plugin::dwarf::SymbolFileDWARF::CollectCallEdges(), CollectCallSiteParameters(), ExtractDataMemberLocation(), lldb_private::plugin::dwarf::DWARFDebugInfoEntry::GetDIENamesAndRanges(), GetExprListFromAtConstValue(), and GetExprListFromAtLocation().

◆ Boolean()

bool lldb_private::plugin::dwarf::DWARFFormValue::Boolean ( ) const
inline

Definition at line 60 of file DWARFFormValue.h.

References m_value.

Referenced by lldb_private::plugin::dwarf::SymbolFileDWARF::CollectCallEdges(), DWARFASTParserClang::MemberAttributes::MemberAttributes(), ParsedDWARFTypeAttributes::ParsedDWARFTypeAttributes(), DWARFASTParserClang::ParseInheritance(), DWARFASTParserClang::ParseTemplateDIE(), and lldb_private::plugin::dwarf::SymbolFileDWARF::ParseVariableDIE().

◆ Clear()

void DWARFFormValue::Clear ( )

Definition at line 25 of file DWARFFormValue.cpp.

References m_form, m_unit, and m_value.

Referenced by DWARFASTParserClang::ParseTypeModifier().

◆ Compare()

int lldb_private::plugin::dwarf::DWARFFormValue::Compare ( const DWARFFormValue & a,
const DWARFFormValue & b )
static

References DWARFFormValue().

◆ Dump()

void DWARFFormValue::Dump ( Stream & s) const

Definition at line 333 of file DWARFFormValue.cpp.

References AsCString(), lldb_private::Stream::AsRawOstream(), lldb_private::DumpAddress(), m_form, m_unit, m_value, lldb_private::Stream::Printf(), lldb_private::Stream::PutCString(), lldb_private::Stream::PutHex16(), lldb_private::Stream::PutHex32(), lldb_private::Stream::PutHex64(), lldb_private::Stream::PutHex8(), lldb_private::Stream::PutSLEB128(), lldb_private::Stream::PutULEB128(), lldb_private::Stream::QuotedCString(), and Unsigned().

◆ ExtractValue()

bool DWARFFormValue::ExtractValue ( const DWARFDataExtractor & data,
lldb::offset_t * offset_ptr )

Definition at line 31 of file DWARFFormValue.cpp.

References lldb_private::plugin::dwarf::DWARFUnit::GetAddressByteSize(), lldb_private::DataExtractor::GetCStr(), lldb_private::DataExtractor::GetMaxU64(), lldb_private::DataExtractor::GetSLEB128(), lldb_private::DataExtractor::GetU16(), lldb_private::DataExtractor::GetU32(), lldb_private::DataExtractor::GetU64(), lldb_private::DataExtractor::GetU8(), lldb_private::DataExtractor::GetULEB128(), m_form, m_unit, m_value, and lldb_private::DataExtractor::PeekData().

Referenced by lldb_private::plugin::dwarf::DWARFAttributes::ExtractFormValueAtIndex(), GetAttributes(), lldb_private::plugin::dwarf::DWARFDebugInfoEntry::GetAttributeValue(), and lldb_private::plugin::dwarf::DWARFDebugInfoEntry::GetDIENamesAndRanges().

◆ Form()

dw_form_t lldb_private::plugin::dwarf::DWARFFormValue::Form ( ) const
inline

Definition at line 39 of file DWARFFormValue.h.

References m_form.

Referenced by lldb_private::plugin::dwarf::DWARFAttributes::Append(), lldb_private::plugin::dwarf::SymbolFileDWARF::CollectCallEdges(), CollectCallSiteParameters(), lldb_private::plugin::dwarf::DWARFAttributes::ExtractFormValueAtIndex(), lldb_private::plugin::dwarf::DWARFDebugInfoEntry::GetAttributeHighPC(), GetAttributes(), lldb_private::plugin::dwarf::DWARFDebugInfoEntry::GetDIENamesAndRanges(), GetExprListFromAtConstValue(), GetExprListFromAtLocation(), GetRanges(), and lldb_private::plugin::dwarf::SymbolFileDWARF::ParseVariableDIE().

◆ FormIsSupported()

bool DWARFFormValue::FormIsSupported ( dw_form_t form)
static

Definition at line 623 of file DWARFFormValue.cpp.

Referenced by GetUnsupportedForms().

◆ FormRef()

dw_form_t & lldb_private::plugin::dwarf::DWARFFormValue::FormRef ( )
inline

Definition at line 40 of file DWARFFormValue.h.

References m_form.

Referenced by ExtractAttrAndFormValue().

◆ getAsCString()

const char * lldb_private::plugin::dwarf::DWARFFormValue::getAsCString ( ) const
inline

Definition at line 83 of file DWARFFormValue.h.

References AsCString().

◆ getAsSignedConstant()

std::optional< int64_t > DWARFFormValue::getAsSignedConstant ( ) const

Definition at line 572 of file DWARFFormValue.cpp.

References IsDataForm(), m_form, and m_value.

◆ getAsUnsignedConstant()

std::optional< uint64_t > DWARFFormValue::getAsUnsignedConstant ( ) const

Definition at line 566 of file DWARFFormValue.cpp.

References IsDataForm(), m_form, and m_value.

◆ GetFixedSize() [1/2]

std::optional< uint8_t > DWARFFormValue::GetFixedSize ( ) const

Definition at line 197 of file DWARFFormValue.cpp.

References GetFixedSize(), m_form, and m_unit.

Referenced by GetAttributes(), and GetFixedSize().

◆ GetFixedSize() [2/2]

std::optional< uint8_t > DWARFFormValue::GetFixedSize ( dw_form_t form,
const DWARFUnit * u )
static

Definition at line 188 of file DWARFFormValue.cpp.

References g_form_sizes, and lldb_private::plugin::dwarf::DWARFUnit::GetAddressByteSize().

◆ GetUnit()

const DWARFUnit * lldb_private::plugin::dwarf::DWARFFormValue::GetUnit ( ) const
inline

Definition at line 37 of file DWARFFormValue.h.

References m_unit.

Referenced by lldb_private::plugin::dwarf::DWARFAttributes::Append(), GetExprListFromAtLocation(), and lldb_private::plugin::dwarf::SymbolFileDWARF::ParseVariableDIE().

◆ IsBlockForm()

bool DWARFFormValue::IsBlockForm ( const dw_form_t form)
static

Definition at line 593 of file DWARFFormValue.cpp.

Referenced by lldb_private::plugin::dwarf::SymbolFileDWARF::CollectCallEdges(), CollectCallSiteParameters(), GetExprListFromAtConstValue(), and GetExprListFromAtLocation().

◆ IsDataForm()

bool DWARFFormValue::IsDataForm ( const dw_form_t form)
static

Definition at line 608 of file DWARFFormValue.cpp.

Referenced by getAsSignedConstant(), getAsUnsignedConstant(), and lldb_private::plugin::dwarf::SymbolFileDWARF::ParseVariableDIE().

◆ IsValid()

bool lldb_private::plugin::dwarf::DWARFFormValue::IsValid ( ) const
inline

Definition at line 67 of file DWARFFormValue.h.

References m_form.

Referenced by DWARFASTParserClang::ParseCXXMethod(), DWARFASTParserClang::ParseEnum(), DWARFASTParserClang::ParseSubroutine(), DWARFASTParserClang::ParseTypeModifier(), and lldb_private::plugin::dwarf::SymbolFileDWARF::ParseVariableDIE().

◆ Reference() [1/2]

DWARFDIE DWARFFormValue::Reference ( ) const

Definition at line 541 of file DWARFFormValue.cpp.

References ReferencedUnitAndOffset().

Referenced by lldb_private::plugin::dwarf::SymbolFileDWARF::CollectCallEdges(), DWARFASTParserClang::CreateStaticMemberVariable(), lldb_private::plugin::dwarf::DWARFAttributes::FormValueAsReferenceAtIndex(), GetAttributes(), lldb_private::plugin::dwarf::DWARFDebugInfoEntry::GetAttributeValue(), lldb_private::plugin::dwarf::DWARFDebugInfoEntry::GetAttributeValueAsReference(), lldb_private::plugin::dwarf::DWARFDIE::GetAttributeValueAsReferenceDIE(), lldb_private::plugin::dwarf::DWARFDebugInfoEntry::GetDIENamesAndRanges(), DWARFASTParserClang::GetObjectParameter(), lldb_private::plugin::dwarf::DWARFASTParser::GetTypeForDIE(), DWARFASTParserClang::ParseArrayType(), DWARFASTParserClang::ParseCXXMethod(), DWARFASTParserClang::ParseEnum(), DWARFASTParserClang::ParseInheritance(), DWARFASTParserClang::ParseObjCProperty(), DWARFASTParserClang::ParsePointerToMemberType(), DWARFASTParserClang::ParseSingleMember(), DWARFASTParserClang::ParseSubroutine(), DWARFASTParserClang::ParseTemplateDIE(), DWARFASTParserClang::ParseTypeFromDWARF(), DWARFASTParserClang::ParseTypeModifier(), lldb_private::plugin::dwarf::SymbolFileDWARF::ParseVariableDIE(), and lldb_private::plugin::dwarf::DWARFDIE::resolveReferencedType().

◆ Reference() [2/2]

uint64_t DWARFFormValue::Reference ( dw_offset_t offset) const

Definition at line 546 of file DWARFFormValue.cpp.

References DW_INVALID_OFFSET, m_form, and m_value.

◆ ReferencedUnitAndOffset()

std::pair< DWARFUnit *, uint64_t > DWARFFormValue::ReferencedUnitAndOffset ( ) const

If this is a reference to another DIE, return the corresponding DWARFUnit and DIE offset such that Unit->GetDIE(offset) produces the desired DIE.

Otherwise, a nullptr and unspecified offset are returned.

Definition at line 498 of file DWARFFormValue.cpp.

References lldb_private::plugin::dwarf::DIERef::DebugInfo, lldb_private::plugin::dwarf::DWARFTypeUnit::GetTypeOffset(), m_form, m_unit, and m_value.

Referenced by lldb_private::plugin::dwarf::DWARFUnit::PeekDIEName(), and Reference().

◆ SetForm()

void lldb_private::plugin::dwarf::DWARFFormValue::SetForm ( dw_form_t form)
inline

Definition at line 41 of file DWARFFormValue.h.

References m_form.

Referenced by lldb_private::plugin::dwarf::DWARFAttributes::ExtractFormValueAtIndex(), and lldb_private::plugin::dwarf::DWARFDebugInfoEntry::GetAttributeValue().

◆ SetSigned()

void lldb_private::plugin::dwarf::DWARFFormValue::SetSigned ( int64_t sval)
inline

Definition at line 64 of file DWARFFormValue.h.

References m_value.

Referenced by ExtractAttrAndFormValue().

◆ SetUnit()

void lldb_private::plugin::dwarf::DWARFFormValue::SetUnit ( const DWARFUnit * unit)
inline

Definition at line 38 of file DWARFFormValue.h.

References m_unit.

Referenced by lldb_private::plugin::dwarf::DWARFAttributes::ExtractFormValueAtIndex(), and lldb_private::plugin::dwarf::DWARFDebugInfoEntry::GetAttributeValue().

◆ SetUnsigned()

void lldb_private::plugin::dwarf::DWARFFormValue::SetUnsigned ( uint64_t uval)
inline

Definition at line 62 of file DWARFFormValue.h.

References m_value.

◆ SetValue()

void lldb_private::plugin::dwarf::DWARFFormValue::SetValue ( const ValueType & val)
inline

Definition at line 44 of file DWARFFormValue.h.

References m_value.

Referenced by lldb_private::plugin::dwarf::DWARFAttributes::ExtractFormValueAtIndex(), and lldb_private::plugin::dwarf::DWARFDebugInfoEntry::GetAttributeValue().

◆ Signed()

int64_t lldb_private::plugin::dwarf::DWARFFormValue::Signed ( ) const
inline

Definition at line 63 of file DWARFFormValue.h.

References m_value.

Referenced by DWARFASTParserClang::ExtractIntFromFormValue(), DWARFASTParserClang::MemberAttributes::MemberAttributes(), DWARFASTParserClang::ParseChildEnumerators(), and ParsedDWARFTypeAttributes::ParsedDWARFTypeAttributes().

◆ SkipValue() [1/2]

bool DWARFFormValue::SkipValue ( const dw_form_t form,
const DWARFDataExtractor & debug_info_data,
lldb::offset_t * offset_ptr,
const DWARFUnit * unit )
static

Definition at line 206 of file DWARFFormValue.cpp.

References lldb_private::plugin::dwarf::DWARFUnit::GetAddressByteSize(), lldb_private::DataExtractor::GetCStr(), lldb_private::plugin::dwarf::DWARFUnit::GetFormParams(), lldb_private::DataExtractor::GetU16(), lldb_private::DataExtractor::GetU32(), lldb_private::DataExtractor::GetU8(), lldb_private::DataExtractor::GetULEB128(), lldb_private::DataExtractor::Skip_LEB128(), and SkipValue().

◆ SkipValue() [2/2]

bool DWARFFormValue::SkipValue ( const DWARFDataExtractor & debug_info_data,
lldb::offset_t * offset_ptr ) const

Definition at line 201 of file DWARFFormValue.cpp.

References m_form, m_unit, and SkipValue().

Referenced by lldb_private::plugin::dwarf::DWARFDebugInfoEntry::Extract(), GetAttributes(), lldb_private::plugin::dwarf::DWARFDebugInfoEntry::GetAttributeValue(), SkipValue(), and SkipValue().

◆ Unsigned()

uint64_t lldb_private::plugin::dwarf::DWARFFormValue::Unsigned ( ) const
inline

Definition at line 61 of file DWARFFormValue.h.

References m_value.

Referenced by Address(), lldb_private::plugin::dwarf::DWARFUnit::AddUnitDIE(), lldb_private::plugin::dwarf::SymbolFileDWARF::CollectCallEdges(), CollectCallSiteParameters(), Dump(), ExtractDataMemberLocation(), DWARFASTParserClang::ExtractIntFromFormValue(), lldb_private::plugin::dwarf::DWARFDebugInfoEntry::GetAttributeHighPC(), lldb_private::plugin::dwarf::DWARFDebugInfoEntry::GetAttributeValueAsOptionalUnsigned(), lldb_private::plugin::dwarf::DWARFDebugInfoEntry::GetAttributeValueAsUnsigned(), lldb_private::plugin::dwarf::DWARFDebugInfoEntry::GetDIENamesAndRanges(), GetExprListFromAtConstValue(), GetExprListFromAtLocation(), DWARFASTParserClang::GetObjectParameter(), GetRanges(), lldb_private::plugin::dwarf::ManualDWARFIndex::IndexUnitImpl(), DWARFASTParserClang::MemberAttributes::MemberAttributes(), lldb_private::plugin::dwarf::DWARFASTParser::ParseChildArrayInfo(), DWARFASTParserClang::ParseChildEnumerators(), ParsedDWARFTypeAttributes::ParsedDWARFTypeAttributes(), DWARFASTParserClang::ParseInheritance(), DWARFASTParserClang::ParseTemplateDIE(), and lldb_private::plugin::dwarf::SymbolFileDWARF::ParseVariableDIE().

◆ Value()

const ValueType & lldb_private::plugin::dwarf::DWARFFormValue::Value ( ) const
inline

Definition at line 42 of file DWARFFormValue.h.

References m_value.

Referenced by lldb_private::plugin::dwarf::DWARFAttributes::Append().

◆ ValueRef()

ValueType & lldb_private::plugin::dwarf::DWARFFormValue::ValueRef ( )
inline

Definition at line 43 of file DWARFFormValue.h.

References m_value.

Member Data Documentation

◆ m_form

dw_form_t lldb_private::plugin::dwarf::DWARFFormValue::m_form = dw_form_t(0)
protected

Definition at line 89 of file DWARFFormValue.h.

Referenced by Address(), AsCString(), Clear(), Dump(), DWARFFormValue(), ExtractValue(), Form(), FormRef(), getAsSignedConstant(), getAsUnsignedConstant(), GetFixedSize(), IsValid(), Reference(), ReferencedUnitAndOffset(), SetForm(), and SkipValue().

◆ m_unit

const DWARFUnit* lldb_private::plugin::dwarf::DWARFFormValue::m_unit = nullptr
protected

Definition at line 88 of file DWARFFormValue.h.

Referenced by Address(), AsCString(), Clear(), Dump(), DWARFFormValue(), DWARFFormValue(), ExtractValue(), GetFixedSize(), GetUnit(), ReferencedUnitAndOffset(), SetUnit(), and SkipValue().

◆ m_value

ValueType lldb_private::plugin::dwarf::DWARFFormValue::m_value
protected

Definition at line 90 of file DWARFFormValue.h.

Referenced by Address(), AsCString(), BlockData(), Boolean(), Clear(), Dump(), ExtractValue(), getAsSignedConstant(), getAsUnsignedConstant(), Reference(), ReferencedUnitAndOffset(), SetSigned(), SetUnsigned(), SetValue(), Signed(), Unsigned(), Value(), and ValueRef().

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