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DWARFFormValue Class Reference

#include <DWARFFormValue.h>

Classes

struct  ValueTypeTag
 

Public Types

enum  {
  eValueTypeInvalid = 0 , eValueTypeUnsigned , eValueTypeSigned , eValueTypeCStr ,
  eValueTypeBlock
}
 
typedef struct DWARFFormValue::ValueTypeTag 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 (lldb_private::Stream &s) const
 
bool ExtractValue (const lldb_private::DWARFDataExtractor &data, lldb::offset_t *offset_ptr)
 
const uint8_t * BlockData () const
 
std::optional< uint8_t > GetFixedSize () const
 
DWARFDIE Reference () const
 
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 lldb_private::DWARFDataExtractor &debug_info_data, lldb::offset_t *offset_ptr) const
 
void Clear ()
 

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 lldb_private::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 20 of file DWARFFormValue.h.

Member Typedef Documentation

◆ ValueType

typedef struct DWARFFormValue::ValueTypeTag DWARFFormValue::ValueType

Member Enumeration Documentation

◆ anonymous enum

anonymous enum
Enumerator
eValueTypeInvalid 
eValueTypeUnsigned 
eValueTypeSigned 
eValueTypeCStr 
eValueTypeBlock 

Definition at line 33 of file DWARFFormValue.h.

Constructor & Destructor Documentation

◆ DWARFFormValue() [1/3]

DWARFFormValue::DWARFFormValue ( )
default

◆ DWARFFormValue() [2/3]

DWARFFormValue::DWARFFormValue ( const DWARFUnit *  unit)
inline

Definition at line 42 of file DWARFFormValue.h.

◆ DWARFFormValue() [3/3]

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

Definition at line 43 of file DWARFFormValue.h.

Member Function Documentation

◆ Address()

dw_addr_t DWARFFormValue::Address ( ) const

Definition at line 486 of file DWARFFormValue.cpp.

References DWARFUnit::GetAddrBase(), DWARFUnit::GetAddressByteSize(), SymbolFileDWARF::GetDWARFContext(), lldb_private::DataExtractor::GetMaxU64(), lldb_private::DWARFContext::getOrLoadAddrData(), DWARFUnit::GetSymbolFileDWARF(), m_form, m_unit, m_value, Unsigned(), DWARFFormValue::ValueTypeTag::uval, and DWARFFormValue::ValueTypeTag::value.

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

◆ AsCString()

const char * DWARFFormValue::AsCString ( ) const

Definition at line 461 of file DWARFFormValue.cpp.

References DWARFFormValue::ValueTypeTag::cstr, SymbolFileDWARF::GetDWARFContext(), lldb_private::DWARFContext::getOrLoadLineStrData(), lldb_private::DWARFContext::getOrLoadStrData(), DWARFUnit::GetStringOffsetSectionItem(), DWARFUnit::GetSymbolFileDWARF(), m_form, m_unit, m_value, lldb_private::DataExtractor::PeekCStr(), DWARFFormValue::ValueTypeTag::uval, and DWARFFormValue::ValueTypeTag::value.

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

◆ BlockData()

const uint8_t * DWARFFormValue::BlockData ( ) const

Definition at line 567 of file DWARFFormValue.cpp.

References DWARFFormValue::ValueTypeTag::data, and m_value.

Referenced by SymbolFileDWARF::CollectCallEdges(), CollectCallSiteParameters(), DWARFDebugInfoEntry::GetDIENamesAndRanges(), GetExprListFromAtConstValue(), GetExprListFromAtLocation(), and DWARFASTParserClang::ParseInheritance().

◆ Boolean()

bool DWARFFormValue::Boolean ( ) const
inline

Definition at line 63 of file DWARFFormValue.h.

References m_value, DWARFFormValue::ValueTypeTag::uval, and DWARFFormValue::ValueTypeTag::value.

Referenced by SymbolFileDWARF::CollectCallEdges(), DWARFASTParserClang::ParseChildParameters(), ParsedDWARFTypeAttributes::ParsedDWARFTypeAttributes(), DWARFASTParserClang::ParseInheritance(), DWARFASTParserClang::ParseTemplateDIE(), and SymbolFileDWARF::ParseVariableDIE().

◆ Clear()

void DWARFFormValue::Clear ( )

Definition at line 26 of file DWARFFormValue.cpp.

References m_form, m_unit, and m_value.

Referenced by DWARFASTParserClang::ParseTypeModifier().

◆ Compare()

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

◆ Dump()

void DWARFFormValue::Dump ( lldb_private::Stream &  s) const

Definition at line 336 of file DWARFFormValue.cpp.

References AsCString(), lldb_private::Stream::AsRawOstream(), DWARFFormValue::ValueTypeTag::data, lldb_private::DumpAddress(), DWARFUnit::GetOffset(), DWARFUnit::GetVersion(), 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 lldb_private::DWARFDataExtractor &  data,
lldb::offset_t *  offset_ptr 
)

Definition at line 32 of file DWARFFormValue.cpp.

References DWARFFormValue::ValueTypeTag::cstr, DWARFFormValue::ValueTypeTag::data, 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(), DWARFUnit::GetVersion(), m_form, m_unit, m_value, lldb_private::DataExtractor::PeekData(), DWARFFormValue::ValueTypeTag::sval, DWARFFormValue::ValueTypeTag::uval, and DWARFFormValue::ValueTypeTag::value.

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

◆ Form()

dw_form_t DWARFFormValue::Form ( ) const
inline

Definition at line 47 of file DWARFFormValue.h.

References m_form.

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

◆ FormIsSupported()

bool DWARFFormValue::FormIsSupported ( dw_form_t  form)
static

Definition at line 598 of file DWARFFormValue.cpp.

Referenced by DWARFDebugAbbrev::GetUnsupportedForms().

◆ FormRef()

dw_form_t & DWARFFormValue::FormRef ( )
inline

Definition at line 48 of file DWARFFormValue.h.

References m_form.

Referenced by ExtractAttrAndFormValue().

◆ GetFixedSize() [1/2]

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

Definition at line 200 of file DWARFFormValue.cpp.

References GetFixedSize(), m_form, and m_unit.

Referenced by DWARFDebugInfoEntry::Extract(), DWARFDebugInfoEntry::GetAttributes(), and GetFixedSize().

◆ GetFixedSize() [2/2]

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

Definition at line 191 of file DWARFFormValue.cpp.

References g_form_sizes, DWARFUnit::GetAddressByteSize(), and FormSize::size.

◆ GetUnit()

const DWARFUnit * DWARFFormValue::GetUnit ( ) const
inline

Definition at line 45 of file DWARFFormValue.h.

References m_unit.

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

◆ IsBlockForm()

bool DWARFFormValue::IsBlockForm ( const dw_form_t  form)
static

Definition at line 569 of file DWARFFormValue.cpp.

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

◆ IsDataForm()

bool DWARFFormValue::IsDataForm ( const dw_form_t  form)
static

Definition at line 583 of file DWARFFormValue.cpp.

Referenced by SymbolFileDWARF::ParseVariableDIE().

◆ IsValid()

bool DWARFFormValue::IsValid ( ) const
inline

Definition at line 70 of file DWARFFormValue.h.

References m_form.

Referenced by DWARFASTParserClang::ParseEnum(), DWARFASTParserClang::ParseSubroutine(), DWARFASTParserClang::ParseTypeModifier(), and SymbolFileDWARF::ParseVariableDIE().

◆ Reference() [1/2]

DWARFDIE DWARFFormValue::Reference ( ) const

Definition at line 504 of file DWARFFormValue.cpp.

References DWARFUnit::ContainsDIEOffset(), DIERef::DebugInfo, SymbolFileDWARF::DebugInfo(), DWARFUnit::GetDIE(), lldb_private::ModuleChild::GetModule(), lldb_private::SymbolFileCommon::GetObjectFile(), DWARFUnit::GetOffset(), DWARFUnit::GetSymbolFileDWARF(), DWARFTypeUnit::GetTypeOffset(), DWARFDebugInfo::GetTypeUnitForHash(), DWARFDebugInfo::GetUnitContainingDIEOffset(), m_form, m_unit, m_value, DWARFFormValue::ValueTypeTag::uval, and DWARFFormValue::ValueTypeTag::value.

Referenced by SymbolFileDWARF::CollectCallEdges(), DWARFAttributes::FormValueAsReferenceAtIndex(), DWARFDebugInfoEntry::GetAttributes(), DWARFDebugInfoEntry::GetAttributeValue(), DWARFDebugInfoEntry::GetAttributeValueAsReference(), DWARFDIE::GetAttributeValueAsReferenceDIE(), DWARFDebugInfoEntry::GetDIENamesAndRanges(), DWARFASTParserClang::GetTypeForDIE(), DWARFASTParserClang::ParseArrayType(), DWARFASTParserClang::ParseChildParameters(), ParsedDWARFTypeAttributes::ParsedDWARFTypeAttributes(), DWARFASTParserClang::ParseEnum(), DWARFASTParserClang::ParseInheritance(), DWARFASTParserClang::ParsePointerToMemberType(), DWARFASTParserClang::ParseSubroutine(), DWARFASTParserClang::ParseTemplateDIE(), DWARFASTParserClang::ParseTypeFromDWARF(), DWARFASTParserClang::ParseTypeModifier(), and SymbolFileDWARF::ParseVariableDIE().

◆ Reference() [2/2]

uint64_t DWARFFormValue::Reference ( dw_offset_t  offset) const

Definition at line 547 of file DWARFFormValue.cpp.

References DW_INVALID_OFFSET, m_form, m_value, DWARFFormValue::ValueTypeTag::uval, and DWARFFormValue::ValueTypeTag::value.

◆ SetForm()

void DWARFFormValue::SetForm ( dw_form_t  form)
inline

Definition at line 49 of file DWARFFormValue.h.

References m_form.

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

◆ SetSigned()

void DWARFFormValue::SetSigned ( int64_t  sval)
inline

Definition at line 67 of file DWARFFormValue.h.

References m_value, DWARFFormValue::ValueTypeTag::sval, and DWARFFormValue::ValueTypeTag::value.

Referenced by ExtractAttrAndFormValue().

◆ SetUnit()

void DWARFFormValue::SetUnit ( const DWARFUnit *  unit)
inline

Definition at line 46 of file DWARFFormValue.h.

References m_unit.

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

◆ SetUnsigned()

void DWARFFormValue::SetUnsigned ( uint64_t  uval)
inline

Definition at line 65 of file DWARFFormValue.h.

References m_value, DWARFFormValue::ValueTypeTag::uval, and DWARFFormValue::ValueTypeTag::value.

◆ SetValue()

void DWARFFormValue::SetValue ( const ValueType &  val)
inline

Definition at line 52 of file DWARFFormValue.h.

References m_value.

Referenced by DWARFAttributes::ExtractFormValueAtIndex().

◆ Signed()

int64_t DWARFFormValue::Signed ( ) const
inline

Definition at line 66 of file DWARFFormValue.h.

References m_value, DWARFFormValue::ValueTypeTag::sval, and DWARFFormValue::ValueTypeTag::value.

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

◆ SkipValue() [1/2]

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

Definition at line 209 of file DWARFFormValue.cpp.

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

◆ SkipValue() [2/2]

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

Definition at line 204 of file DWARFFormValue.cpp.

References m_form, m_unit, and SkipValue().

Referenced by DWARFDebugInfoEntry::GetAttributes(), DWARFDebugInfoEntry::GetAttributeValue(), and SkipValue().

◆ Unsigned()

uint64_t DWARFFormValue::Unsigned ( ) const
inline

Definition at line 64 of file DWARFFormValue.h.

References m_value, DWARFFormValue::ValueTypeTag::uval, and DWARFFormValue::ValueTypeTag::value.

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

◆ Value()

const ValueType & DWARFFormValue::Value ( ) const
inline

Definition at line 50 of file DWARFFormValue.h.

References m_value.

Referenced by DWARFAttributes::Append().

◆ ValueRef()

ValueType & DWARFFormValue::ValueRef ( )
inline

Definition at line 51 of file DWARFFormValue.h.

References m_value.

Member Data Documentation

◆ m_form

dw_form_t DWARFFormValue::m_form = dw_form_t(0)
protected

Definition at line 86 of file DWARFFormValue.h.

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

◆ m_unit

const DWARFUnit* DWARFFormValue::m_unit = nullptr
protected

Definition at line 85 of file DWARFFormValue.h.

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

◆ m_value

ValueType DWARFFormValue::m_value
protected

Definition at line 87 of file DWARFFormValue.h.

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

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