Collects and handles line tables information in a CodeView format. More...
#include "CodeGen/AsmPrinter/CodeViewDebug.h"
Classes | |
| struct | LocalVarDef |
| struct | TypeLoweringScope |
Public Member Functions | |
| CodeViewDebug (AsmPrinter *AP) | |
| void | beginModule (Module *M) override |
| 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... | |
| void | beginBasicBlockSection (const MachineBasicBlock &MBB) override |
| Process the beginning of a new basic-block-section within a function. More... | |
| void | endBasicBlockSection (const MachineBasicBlock &MBB) override |
| Process the end of a basic-block-section within a function. 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 InstructionOrdering & | getInstOrdering () const |
| Public Member Functions inherited from llvm::AsmPrinterHandler | |
| virtual | ~AsmPrinterHandler () |
| Pin vtable to this file. More... | |
| virtual void | markFunctionEnd () |
| 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... | |
| bool | moduleIsInFortran () |
| Check if the current module is in Fortran. 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 DIType *Ty) |
| If this type is derived from a base type then return base type size. More... | |
| static bool | isUnsignedDIType (const DIType *Ty) |
| Return true if type encoding is unsigned. 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 134 of file CodeViewDebug.cpp.
Member Function Documentation
◆ beginFunctionImpl()
|
overrideprotectedvirtual |
Gather pre-function debug information.
Implements llvm::DebugHandlerBase.
Definition at line 1443 of file CodeViewDebug.cpp.
References llvm::DebugHandlerBase::Asm, assert(), llvm::classifyEHPersonality(), llvm::MCStreamer::emitCVFuncIdDirective(), 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::hasOptNone(), llvm::Function::hasOptSize(), llvm::Function::hasPersonalityFn(), llvm::Function::hasProfileData(), llvm::Function::hasStackProtectorFnAttr(), llvm::MachineFrameInfo::hasStackProtectorIndex(), llvm::TargetRegisterInfo::hasStackRealignment(), llvm::MachineFrameInfo::hasVarSizedObjects(), llvm::isAsynchronousEHPersonality(), MBB, MI, llvm::None, llvm::CodeGenOpt::None, llvm::DebugHandlerBase::PrologEndLoc, llvm::DebugHandlerBase::requestLabelAfterInsn(), llvm::DebugHandlerBase::requestLabelBeforeInsn(), llvm::AsmPrinter::TM, and TRI.
◆ beginInstruction()
|
overridevirtual |
Process beginning of an instruction.
Reimplemented from llvm::DebugHandlerBase.
Definition at line 3068 of file CodeViewDebug.cpp.
References llvm::DebugHandlerBase::Asm, llvm::DebugHandlerBase::beginInstruction(), DL, llvm::MachineInstr::FrameSetup, isUsableDebugLoc(), llvm::AsmPrinter::MF, MI, and llvm::DebugHandlerBase::PrevInstBB.
◆ beginModule()
|
overridevirtual |
Reimplemented from llvm::DebugHandlerBase.
Definition at line 608 of file CodeViewDebug.cpp.
References llvm::DebugHandlerBase::Asm, llvm::Triple::getArch(), llvm::MCObjectFileInfo::getCOFFDebugSymbolsSection(), llvm::AsmPrinter::getObjFileLowering(), llvm::MachineModuleInfo::hasDebugInfo(), M, mapArchToCVCPUType(), and llvm::DebugHandlerBase::MMI.
◆ endFunctionImpl()
|
overrideprotectedvirtual |
Gather post-function debug information.
Implements llvm::DebugHandlerBase.
Definition at line 3015 of file CodeViewDebug.cpp.
References llvm::DebugHandlerBase::Asm, assert(), get, llvm::LexicalScopes::getCurrentFunctionScope(), llvm::MachineFunction::getFunction(), llvm::AsmPrinter::getFunctionEnd(), llvm::DebugHandlerBase::getLabelAfterInsn(), llvm::DebugHandlerBase::getLabelBeforeInsn(), llvm::Function::getSubprogram(), llvm::DebugHandlerBase::LScopes, MBB, and MI.
◆ endModule()
|
overridevirtual |
Emit the COFF section that holds the line table information.
Implements llvm::AsmPrinterHandler.
Definition at line 633 of file CodeViewDebug.cpp.
References llvm::DebugHandlerBase::Asm, llvm::MachineModuleInfo::hasDebugInfo(), and llvm::DebugHandlerBase::MMI.
◆ moduleIsInFortran()
|
inlineprotected |
Check if the current module is in Fortran.
Definition at line 485 of file CodeViewDebug.h.
References llvm::codeview::Fortran.
◆ setSymbolSize()
|
inlineoverridevirtual |
For symbols that have a size designated (e.g.
common symbols), this tracks that size.
Implements llvm::AsmPrinterHandler.
Definition at line 494 of file CodeViewDebug.h.
The documentation for this class was generated from the following files:
- lib/CodeGen/AsmPrinter/CodeViewDebug.h
- lib/CodeGen/AsmPrinter/CodeViewDebug.cpp
