Win64Exception.h revision ebe69fe11e48d322045d5949c83283927a0d790b 
1//===-- Win64Exception.h - Windows Exception Handling ----------*- C++ -*--===//
2//
3//                     The LLVM Compiler Infrastructure
4//
5// This file is distributed under the University of Illinois Open Source
6// License. See LICENSE.TXT for details.
7//
8//===----------------------------------------------------------------------===//
9//
10// This file contains support for writing windows exception info into asm files.
11//
12//===----------------------------------------------------------------------===//
13
14#ifndef LLVM_LIB_CODEGEN_ASMPRINTER_WIN64EXCEPTION_H
15#define LLVM_LIB_CODEGEN_ASMPRINTER_WIN64EXCEPTION_H
16
17#include "EHStreamer.h"
18
19namespace llvm {
20class MachineFunction;
21
22class Win64Exception : public EHStreamer {
23  /// Per-function flag to indicate if personality info should be emitted.
24  bool shouldEmitPersonality;
25
26  /// Per-function flag to indicate if the LSDA should be emitted.
27  bool shouldEmitLSDA;
28
29  /// Per-function flag to indicate if frame moves info should be emitted.
30  bool shouldEmitMoves;
31
32  void emitCSpecificHandlerTable();
33
34  const MCSymbolRefExpr *createImageRel32(const MCSymbol *Value);
35
36public:
37  //===--------------------------------------------------------------------===//
38  // Main entry points.
39  //
40  Win64Exception(AsmPrinter *A);
41  virtual ~Win64Exception();
42
43  /// Emit all exception information that should come after the content.
44  void endModule() override;
45
46  /// Gather pre-function exception information.  Assumes being emitted
47  /// immediately after the function entry point.
48  void beginFunction(const MachineFunction *MF) override;
49
50  /// Gather and emit post-function exception information.
51  void endFunction(const MachineFunction *) override;
52};
53}
54
55#endif
56
57