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Diffstat (limited to 'contrib/llvm/lib/CodeGen/AsmPrinter/DwarfException.h')
-rw-r--r-- | contrib/llvm/lib/CodeGen/AsmPrinter/DwarfException.h | 87 |
1 files changed, 87 insertions, 0 deletions
diff --git a/contrib/llvm/lib/CodeGen/AsmPrinter/DwarfException.h b/contrib/llvm/lib/CodeGen/AsmPrinter/DwarfException.h new file mode 100644 index 0000000..a4fd36f --- /dev/null +++ b/contrib/llvm/lib/CodeGen/AsmPrinter/DwarfException.h @@ -0,0 +1,87 @@ +//===-- DwarfException.h - Dwarf Exception Framework -----------*- C++ -*--===// +// +// The LLVM Compiler Infrastructure +// +// This file is distributed under the University of Illinois Open Source +// License. See LICENSE.TXT for details. +// +//===----------------------------------------------------------------------===// +// +// This file contains support for writing dwarf exception info into asm files. +// +//===----------------------------------------------------------------------===// + +#ifndef LLVM_LIB_CODEGEN_ASMPRINTER_DWARFEXCEPTION_H +#define LLVM_LIB_CODEGEN_ASMPRINTER_DWARFEXCEPTION_H + +#include "EHStreamer.h" +#include "llvm/CodeGen/AsmPrinter.h" + +namespace llvm { +class MachineFunction; +class ARMTargetStreamer; + +class DwarfCFIExceptionBase : public EHStreamer { +protected: + DwarfCFIExceptionBase(AsmPrinter *A); + + /// Per-function flag to indicate if frame CFI info should be emitted. + bool shouldEmitCFI; + + void markFunctionEnd() override; +}; + +class DwarfCFIException : public DwarfCFIExceptionBase { + /// Per-function flag to indicate if .cfi_personality should be emitted. + bool shouldEmitPersonality; + + /// Per-function flag to indicate if .cfi_lsda should be emitted. + bool shouldEmitLSDA; + + /// Per-function flag to indicate if frame moves info should be emitted. + bool shouldEmitMoves; + + AsmPrinter::CFIMoveType moveTypeModule; + +public: + //===--------------------------------------------------------------------===// + // Main entry points. + // + DwarfCFIException(AsmPrinter *A); + ~DwarfCFIException() override; + + /// Emit all exception information that should come after the content. + void endModule() override; + + /// Gather pre-function exception information. Assumes being emitted + /// immediately after the function entry point. + void beginFunction(const MachineFunction *MF) override; + + /// Gather and emit post-function exception information. + void endFunction(const MachineFunction *) override; +}; + +class ARMException : public DwarfCFIExceptionBase { + void emitTypeInfos(unsigned TTypeEncoding) override; + ARMTargetStreamer &getTargetStreamer(); + +public: + //===--------------------------------------------------------------------===// + // Main entry points. + // + ARMException(AsmPrinter *A); + ~ARMException() override; + + /// Emit all exception information that should come after the content. + void endModule() override; + + /// Gather pre-function exception information. Assumes being emitted + /// immediately after the function entry point. + void beginFunction(const MachineFunction *MF) override; + + /// Gather and emit post-function exception information. + void endFunction(const MachineFunction *) override; +}; +} // End of namespace llvm + +#endif |