DWARFLocationExpression.cpp File Reference

#include "DWARFLocationExpression.h"
#include "lldb/Core/Module.h"
#include "lldb/Core/Section.h"
#include "lldb/Expression/DWARFExpression.h"
#include "lldb/Utility/ArchSpec.h"
#include "lldb/Utility/DataBufferHeap.h"
#include "lldb/Utility/StreamBuffer.h"
#include "llvm/BinaryFormat/Dwarf.h"
#include "llvm/DebugInfo/CodeView/TypeDeserializer.h"
#include "llvm/DebugInfo/CodeView/TypeIndex.h"
#include "llvm/DebugInfo/PDB/Native/TpiStream.h"
#include "llvm/Support/Endian.h"
#include "PdbUtil.h"
#include "CodeViewRegisterMapping.h"
#include "PdbFPOProgramToDWARFExpression.h"
#include <optional>

Go to the source code of this file.

Functions
uint32_t	GetGenericRegisterNumber (llvm::codeview::RegisterId register_id)
static uint32_t	GetRegisterNumber (llvm::Triple::ArchType arch_type, llvm::codeview::RegisterId register_id, RegisterKind &register_kind)
static bool	IsSimpleTypeSignedInteger (SimpleTypeKind kind)
static std::pair< size_t, bool >	GetIntegralTypeInfo (TypeIndex ti, TpiStream &tpi)
template<typename StreamWriter>
static DWARFExpression	MakeLocationExpressionInternal (lldb::ModuleSP module, StreamWriter &&writer)
static bool	MakeRegisterBasedLocationExpressionInternal (Stream &stream, llvm::codeview::RegisterId reg, RegisterKind &register_kind, std::optional< int32_t > relative_offset, lldb::ModuleSP module)
static DWARFExpression	MakeRegisterBasedLocationExpressionInternal (llvm::codeview::RegisterId reg, std::optional< int32_t > relative_offset, lldb::ModuleSP module)
static bool	EmitVFrameEvaluationDWARFExpression (llvm::StringRef program, llvm::Triple::ArchType arch_type, Stream &stream)

Function Documentation

EmitVFrameEvaluationDWARFExpression()

bool EmitVFrameEvaluationDWARFExpression ( llvm::StringRef program, llvm::Triple::ArchType arch_type, Stream & stream )

static

Definition at line 177 of file DWARFLocationExpression.cpp.

References lldb_private::npdb::TranslateFPOProgramToDWARFExpression().

Referenced by lldb_private::npdb::MakeVFrameRelLocationExpression().

GetGenericRegisterNumber()

uint32_t GetGenericRegisterNumber

(

llvm::codeview::RegisterId

register_id

)

Definition at line 35 of file DWARFLocationExpression.cpp.

References LLDB_INVALID_REGNUM, and LLDB_REGNUM_GENERIC_FP.

Referenced by GetRegisterNumber().

GetIntegralTypeInfo()

std::pair< size_t, bool > GetIntegralTypeInfo ( TypeIndex ti, TpiStream & tpi )

static

Definition at line 77 of file DWARFLocationExpression.cpp.

References GetIntegralTypeInfo(), lldb_private::npdb::GetTypeSizeForSimpleKind(), and IsSimpleTypeSignedInteger().

Referenced by GetIntegralTypeInfo().

GetRegisterNumber()

uint32_t GetRegisterNumber ( llvm::Triple::ArchType arch_type, llvm::codeview::RegisterId register_id, RegisterKind & register_kind )

static

Definition at line 42 of file DWARFLocationExpression.cpp.

References lldb::eRegisterKindGeneric, lldb::eRegisterKindLLDB, GetGenericRegisterNumber(), lldb_private::npdb::GetLLDBRegisterNumber(), and LLDB_INVALID_REGNUM.

Referenced by MakeRegisterBasedLocationExpressionInternal().

IsSimpleTypeSignedInteger()

bool IsSimpleTypeSignedInteger ( SimpleTypeKind kind )

static

Definition at line 54 of file DWARFLocationExpression.cpp.

Referenced by GetIntegralTypeInfo().

MakeLocationExpressionInternal()

template<typename StreamWriter>

DWARFExpression MakeLocationExpressionInternal ( lldb::ModuleSP module, StreamWriter && writer )

static

Definition at line 108 of file DWARFLocationExpression.cpp.

References lldb_private::Stream::eBinary, lldb::eByteOrderInvalid, lldb::eRegisterKindDWARF, lldb_private::ArchSpec::GetAddressByteSize(), lldb_private::ArchSpec::GetByteOrder(), lldb_private::StreamBuffer< N >::GetData(), lldb_private::ArchSpec::GetDataByteSize(), lldb_private::StreamBuffer< N >::GetSize(), and lldb_private::DWARFExpression::SetRegisterKind().

Referenced by lldb_private::npdb::MakeEnregisteredLocationExpressionForComposite(), lldb_private::npdb::MakeGlobalLocationExpression(), MakeRegisterBasedLocationExpressionInternal(), and lldb_private::npdb::MakeVFrameRelLocationExpression().

MakeRegisterBasedLocationExpressionInternal() [1/2]

DWARFExpression MakeRegisterBasedLocationExpressionInternal ( llvm::codeview::RegisterId reg, std::optional< int32_t > relative_offset, lldb::ModuleSP module )

static

Definition at line 157 of file DWARFLocationExpression.cpp.

References MakeLocationExpressionInternal(), and MakeRegisterBasedLocationExpressionInternal().

MakeRegisterBasedLocationExpressionInternal() [2/2]

bool MakeRegisterBasedLocationExpressionInternal ( Stream & stream, llvm::codeview::RegisterId reg, RegisterKind & register_kind, std::optional< int32_t > relative_offset, lldb::ModuleSP module )

static

Definition at line 132 of file DWARFLocationExpression.cpp.

References GetRegisterNumber(), LLDB_INVALID_REGNUM, lldb_private::Stream::PutHex8(), lldb_private::Stream::PutSLEB128(), and lldb_private::Stream::PutULEB128().

Referenced by lldb_private::npdb::MakeEnregisteredLocationExpression(), lldb_private::npdb::MakeEnregisteredLocationExpressionForComposite(), MakeRegisterBasedLocationExpressionInternal(), and lldb_private::npdb::MakeRegRelLocationExpression().