Coverage Report

Created: 2019-07-24 05:18

/Users/buildslave/jenkins/workspace/clang-stage2-coverage-R/llvm/include/llvm/CodeGen/AsmPrinterHandler.h
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//===-- llvm/CodeGen/AsmPrinterHandler.h -----------------------*- C++ -*--===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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//
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// This file contains a generic interface for AsmPrinter handlers,
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// like debug and EH info emitters.
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_CODEGEN_ASMPRINTERHANDLER_H
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#define LLVM_CODEGEN_ASMPRINTERHANDLER_H
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#include "llvm/Support/DataTypes.h"
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namespace llvm {
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class AsmPrinter;
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class MachineBasicBlock;
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class MachineFunction;
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class MachineInstr;
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class MCSymbol;
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typedef MCSymbol *ExceptionSymbolProvider(AsmPrinter *Asm);
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/// Collects and handles AsmPrinter objects required to build debug
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/// or EH information.
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class AsmPrinterHandler {
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public:
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  virtual ~AsmPrinterHandler();
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  /// For symbols that have a size designated (e.g. common symbols),
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  /// this tracks that size.
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  virtual void setSymbolSize(const MCSymbol *Sym, uint64_t Size) = 0;
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  /// Emit all sections that should come after the content.
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  virtual void endModule() = 0;
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  /// Gather pre-function debug information.
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  /// Every beginFunction(MF) call should be followed by an endFunction(MF)
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  /// call.
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  virtual void beginFunction(const MachineFunction *MF) = 0;
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  // Emit any of function marker (like .cfi_endproc). This is called
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  // before endFunction and cannot switch sections.
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  virtual void markFunctionEnd();
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  /// Gather post-function debug information.
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  /// Please note that some AsmPrinter implementations may not call
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  /// beginFunction at all.
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  virtual void endFunction(const MachineFunction *MF) = 0;
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  virtual void beginFragment(const MachineBasicBlock *MBB,
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0
                             ExceptionSymbolProvider ESP) {}
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  virtual void endFragment() {}
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  /// Emit target-specific EH funclet machinery.
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  virtual void beginFunclet(const MachineBasicBlock &MBB,
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                            MCSymbol *Sym = nullptr) {}
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  virtual void endFunclet() {}
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  /// Process beginning of an instruction.
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  virtual void beginInstruction(const MachineInstr *MI) = 0;
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  /// Process end of an instruction.
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  virtual void endInstruction() = 0;
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};
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} // End of namespace llvm
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#endif