Collects and handles line tables information in a CodeView format. More...
#include "CodeGen/AsmPrinter/CodeViewDebug.h"
Classes | |
| struct | TypeLoweringScope |
Public Member Functions | |
| CodeViewDebug (AsmPrinter *AP) | |
| void | setSymbolSize (const MCSymbol *, uint64_t) override |
| For symbols that have a size designated (e.g. More... | |
| void | endModule () override |
| Emit the COFF section that holds the line table information. More... | |
| void | beginInstruction (const MachineInstr *MI) override |
| Process beginning of an instruction. More... | |
 Public Member Functions inherited from llvm::DebugHandlerBase | |
| void | endInstruction () override |
| Process end of an instruction. More... | |
| void | beginFunction (const MachineFunction *MF) override |
| Gather pre-function debug information. More... | |
| void | endFunction (const MachineFunction *MF) override |
| Gather post-function debug information. More... | |
| MCSymbol * | getLabelBeforeInsn (const MachineInstr *MI) |
| Return Label preceding the instruction. More... | |
| MCSymbol * | getLabelAfterInsn (const MachineInstr *MI) |
| Return Label immediately following the instruction. More... | |
| const MCExpr * | getFunctionLocalOffsetAfterInsn (const MachineInstr *MI) |
| Return the function-local offset of an instruction. More... | |
| Public Member Functions inherited from llvm::AsmPrinterHandler | |
| virtual | ~AsmPrinterHandler () |
| Pin vtable to this file. More... | |
| virtual void | markFunctionEnd () |
| virtual void | beginFragment (const MachineBasicBlock *MBB, ExceptionSymbolProvider ESP) |
| virtual void | endFragment () |
| virtual void | beginFunclet (const MachineBasicBlock &MBB, MCSymbol *Sym=nullptr) |
| Emit target-specific EH funclet machinery. More... | |
| virtual void | endFunclet () |
Protected Member Functions | |
| void | beginFunctionImpl (const MachineFunction *MF) override |
| Gather pre-function debug information. More... | |
| void | endFunctionImpl (const MachineFunction *) override |
| Gather post-function debug information. More... | |
| Protected Member Functions inherited from llvm::DebugHandlerBase | |
| DebugHandlerBase (AsmPrinter *A) | |
| void | identifyScopeMarkers () |
| Indentify instructions that are marking the beginning of or ending of a scope. More... | |
| void | requestLabelBeforeInsn (const MachineInstr *MI) |
| Ensure that a label will be emitted before MI. More... | |
| void | requestLabelAfterInsn (const MachineInstr *MI) |
| Ensure that a label will be emitted after MI. More... | |
| virtual void | skippedNonDebugFunction () |
Additional Inherited Members | |
| Static Public Member Functions inherited from llvm::DebugHandlerBase | |
| static uint64_t | getBaseTypeSize (const DITypeRef TyRef) |
| If this type is derived from a base type then return base type size. More... | |
| Protected Attributes inherited from llvm::DebugHandlerBase | |
| AsmPrinter * | Asm |
| Target of debug info emission. More... | |
| MachineModuleInfo * | MMI |
| Collected machine module information. More... | |
| DebugLoc | PrevInstLoc |
| Previous instruction's location information. More... | |
| MCSymbol * | PrevLabel = nullptr |
| const MachineBasicBlock * | PrevInstBB = nullptr |
| DebugLoc | PrologEndLoc |
| This location indicates end of function prologue and beginning of function body. More... | |
| const MachineInstr * | CurMI = nullptr |
| If nonnull, stores the current machine instruction we're processing. More... | |
| LexicalScopes | LScopes |
| DbgValueHistoryMap | DbgValues |
| History of DBG_VALUE and clobber instructions for each user variable. More... | |
| DbgLabelInstrMap | DbgLabels |
| Mapping of inlined labels and DBG_LABEL machine instruction. More... | |
| DenseMap< const MachineInstr *, MCSymbol * > | LabelsBeforeInsn |
| Maps instruction with label emitted before instruction. More... | |
| DenseMap< const MachineInstr *, MCSymbol * > | LabelsAfterInsn |
| Maps instruction with label emitted after instruction. More... | |
Detailed Description
Collects and handles line tables information in a CodeView format.
Definition at line 52 of file CodeViewDebug.h.
Constructor & Destructor Documentation
◆ CodeViewDebug()
| CodeViewDebug::CodeViewDebug | ( | AsmPrinter * | AP | ) |
Definition at line 111 of file CodeViewDebug.cpp.
References llvm::MCContext::allocate(), llvm::DebugHandlerBase::Asm, assert(), llvm::StringRef::back(), llvm::DIFile::CSK_MD5, llvm::DIFile::CSK_SHA1, llvm::MCStreamer::EmitCVFileDirective(), llvm::MCStreamer::EmitCVInlineSiteIdDirective(), F(), llvm::ARMBuildAttrs::File, llvm::fromHex(), llvm::MCObjectFileInfo::getCOFFDebugSymbolsSection(), llvm::MCStreamer::getContext(), llvm::DIScope::getDirectory(), llvm::DIScope::getFilename(), llvm::MachineModuleInfo::getModule(), llvm::Module::getModuleFlag(), llvm::Module::getNamedMetadata(), llvm::AsmPrinter::getObjFileLowering(), llvm::Module::getTargetTriple(), llvm::sys::path::is_absolute(), llvm::ConstantInt::isZero(), mapArchToCVCPUType(), llvm::Intrinsic::memcpy, llvm::DebugHandlerBase::MMI, llvm::None, llvm::sys::path::posix, replace(), llvm::MachineModuleInfo::setDebugInfoAvailability(), llvm::StringRef::startswith(), and Success.
Member Function Documentation
◆ beginFunctionImpl()
|
overrideprotectedvirtual |
Gather pre-function debug information.
Implements llvm::DebugHandlerBase.
Definition at line 1278 of file CodeViewDebug.cpp.
References llvm::DebugHandlerBase::Asm, assert(), llvm::classifyEHPersonality(), llvm::MachineFunction::exposesReturnsTwice(), FramePtr, llvm::MachineInstr::FrameSetup, llvm::MachineFrameInfo::getCVBytesOfCalleeSavedRegisters(), llvm::DebugLoc::getFnDebugLoc(), llvm::MachineFunction::getFrameInfo(), llvm::TargetSubtargetInfo::getFrameLowering(), llvm::MachineFunction::getFunction(), llvm::AsmPrinter::getFunctionBegin(), llvm::MachineFrameInfo::getOffsetAdjustment(), llvm::TargetMachine::getOptLevel(), llvm::Function::getPersonalityFn(), llvm::TargetSubtargetInfo::getRegisterInfo(), llvm::MachineFrameInfo::getStackSize(), llvm::MachineFunction::getSubtarget(), llvm::Function::hasFnAttribute(), llvm::TargetFrameLowering::hasFP(), llvm::MachineFunction::hasInlineAsm(), llvm::Function::hasPersonalityFn(), llvm::MachineFrameInfo::hasStackProtectorIndex(), llvm::MachineFrameInfo::hasVarSizedObjects(), llvm::Attribute::InlineHint, llvm::isAsynchronousEHPersonality(), MI, llvm::Attribute::Naked, llvm::TargetRegisterInfo::needsStackRealignment(), llvm::None, llvm::CodeGenOpt::None, llvm::Function::optForSize(), llvm::Attribute::OptimizeNone, llvm::DebugHandlerBase::PrologEndLoc, llvm::AsmPrinter::TM, and TRI.
◆ beginInstruction()
|
overridevirtual |
Process beginning of an instruction.
Reimplemented from llvm::DebugHandlerBase.
Definition at line 2811 of file CodeViewDebug.cpp.
References llvm::DebugHandlerBase::Asm, llvm::DebugHandlerBase::beginInstruction(), llvm::MCContext::createTempSymbol(), llvm::MachineInstr::FrameSetup, llvm::MachineModuleInfo::getContext(), llvm::MachineInstr::getDebugLoc(), llvm::MachineInstr::getFlag(), llvm::MachineInstr::getParent(), llvm::MachineInstr::isDebugInstr(), Kind, llvm::AsmPrinter::MF, llvm::DebugHandlerBase::MMI, and llvm::DebugHandlerBase::PrevInstBB.
◆ endFunctionImpl()
|
overrideprotectedvirtual |
Gather post-function debug information.
Implements llvm::DebugHandlerBase.
Definition at line 2777 of file CodeViewDebug.cpp.
References llvm::DebugHandlerBase::Asm, assert(), llvm::MachineFunction::getCodeViewAnnotations(), llvm::LexicalScopes::getCurrentFunctionScope(), llvm::MachineFunction::getFunction(), llvm::AsmPrinter::getFunctionEnd(), llvm::Function::getSubprogram(), and llvm::DebugHandlerBase::LScopes.
◆ endModule()
|
overridevirtual |
Emit the COFF section that holds the line table information.
Implements llvm::AsmPrinterHandler.
Definition at line 518 of file CodeViewDebug.cpp.
References llvm::DebugHandlerBase::Asm, assert(), llvm::MachineModuleInfo::hasDebugInfo(), llvm::DebugHandlerBase::MMI, and P.
◆ setSymbolSize()
|
inlineoverridevirtual |
For symbols that have a size designated (e.g.
common symbols), this tracks that size.
Implements llvm::AsmPrinterHandler.
Definition at line 457 of file CodeViewDebug.h.
References MI.
The documentation for this class was generated from the following files:
- lib/CodeGen/AsmPrinter/CodeViewDebug.h
- lib/CodeGen/AsmPrinter/CodeViewDebug.cpp
