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//===-- Win64Exception.h - Windows Exception Handling ----------*- 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 windows exception info into asm files.


#include "EHStreamer.h"

namespace llvm {
class MachineFunction;

class Win64Exception : public EHStreamer {
  /// Per-function flag to indicate if personality info should be emitted.
  bool shouldEmitPersonality;

  /// Per-function flag to indicate if the LSDA should be emitted.
  bool shouldEmitLSDA;

  /// Per-function flag to indicate if frame moves info should be emitted.
  bool shouldEmitMoves;

  void emitCSpecificHandlerTable();

  const MCSymbolRefExpr *createImageRel32(const MCSymbol *Value);

  // Main entry points.
  Win64Exception(AsmPrinter *A);
  virtual ~Win64Exception();

  /// 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;