1 //===-- Win64Exception.h - Windows Exception Handling ----------*- C++ -*--===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 // This file contains support for writing windows exception info into asm files.
12 //===----------------------------------------------------------------------===//
14 #ifndef LLVM_LIB_CODEGEN_ASMPRINTER_WIN64EXCEPTION_H
15 #define LLVM_LIB_CODEGEN_ASMPRINTER_WIN64EXCEPTION_H
17 #include "EHStreamer.h"
21 class MachineFunction;
24 class Win64Exception : public EHStreamer {
25 /// Per-function flag to indicate if personality info should be emitted.
26 bool shouldEmitPersonality;
28 /// Per-function flag to indicate if the LSDA should be emitted.
31 /// Per-function flag to indicate if frame moves info should be emitted.
34 void emitCSpecificHandlerTable();
36 void emitCXXFrameHandler3Table(const MachineFunction *MF);
38 const MCExpr *createImageRel32(const MCSymbol *Value);
39 const MCExpr *createImageRel32(const GlobalValue *GV);
42 //===--------------------------------------------------------------------===//
45 Win64Exception(AsmPrinter *A);
46 ~Win64Exception() override;
48 /// Emit all exception information that should come after the content.
49 void endModule() override;
51 /// Gather pre-function exception information. Assumes being emitted
52 /// immediately after the function entry point.
53 void beginFunction(const MachineFunction *MF) override;
55 /// Gather and emit post-function exception information.
56 void endFunction(const MachineFunction *) override;