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