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6b3129357f
Generate tables in the .xdata section representing what actions to take when an exception is thrown. This currently fills in state for cleanups, catch handlers are still unfinished. llvm-svn: 233636
62 lines
1.8 KiB
C++
62 lines
1.8 KiB
C++
//===-- Win64Exception.h - Windows Exception Handling ----------*- C++ -*--===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// This file contains support for writing windows exception info into asm files.
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_LIB_CODEGEN_ASMPRINTER_WIN64EXCEPTION_H
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#define LLVM_LIB_CODEGEN_ASMPRINTER_WIN64EXCEPTION_H
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#include "EHStreamer.h"
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namespace llvm {
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class GlobalValue;
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class MachineFunction;
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class MCExpr;
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class Win64Exception : public EHStreamer {
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/// Per-function flag to indicate if personality info should be emitted.
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bool shouldEmitPersonality;
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/// Per-function flag to indicate if the LSDA should be emitted.
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bool shouldEmitLSDA;
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/// Per-function flag to indicate if frame moves info should be emitted.
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bool shouldEmitMoves;
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void emitCSpecificHandlerTable();
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void emitCXXFrameHandler3Table(const MachineFunction *MF);
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const MCExpr *createImageRel32(const MCSymbol *Value);
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const MCExpr *createImageRel32(const GlobalValue *GV);
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public:
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//===--------------------------------------------------------------------===//
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// Main entry points.
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//
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Win64Exception(AsmPrinter *A);
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virtual ~Win64Exception();
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/// Emit all exception information that should come after the content.
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void endModule() override;
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/// Gather pre-function exception information. Assumes being emitted
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/// immediately after the function entry point.
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void beginFunction(const MachineFunction *MF) override;
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/// Gather and emit post-function exception information.
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void endFunction(const MachineFunction *) override;
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};
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}
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#endif
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