173471bf0Spatrick //===- PseudoProbePrinter.h - Pseudo probe encoding support -----*- C++ -*-===// 273471bf0Spatrick // 373471bf0Spatrick // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 473471bf0Spatrick // See https://llvm.org/LICENSE.txt for license information. 573471bf0Spatrick // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 673471bf0Spatrick // 773471bf0Spatrick //===----------------------------------------------------------------------===// 873471bf0Spatrick // 973471bf0Spatrick // This file contains support for writing pseudo probe info into asm files. 1073471bf0Spatrick // 1173471bf0Spatrick //===----------------------------------------------------------------------===// 1273471bf0Spatrick 1373471bf0Spatrick #ifndef LLVM_LIB_CODEGEN_ASMPRINTER_PSEUDOPROBEPRINTER_H 1473471bf0Spatrick #define LLVM_LIB_CODEGEN_ASMPRINTER_PSEUDOPROBEPRINTER_H 1573471bf0Spatrick 1673471bf0Spatrick #include "llvm/ADT/DenseMap.h" 1773471bf0Spatrick #include "llvm/CodeGen/AsmPrinterHandler.h" 1873471bf0Spatrick 1973471bf0Spatrick namespace llvm { 2073471bf0Spatrick 2173471bf0Spatrick class AsmPrinter; 2273471bf0Spatrick class DILocation; 2373471bf0Spatrick 2473471bf0Spatrick class PseudoProbeHandler : public AsmPrinterHandler { 2573471bf0Spatrick // Target of pseudo probe emission. 2673471bf0Spatrick AsmPrinter *Asm; 27*d415bd75Srobert // Name to GUID map, used as caching/memoization for speed. 28*d415bd75Srobert DenseMap<StringRef, uint64_t> NameGuidMap; 2973471bf0Spatrick 3073471bf0Spatrick public: PseudoProbeHandler(AsmPrinter * A)3173471bf0Spatrick PseudoProbeHandler(AsmPrinter *A) : Asm(A){}; 32*d415bd75Srobert ~PseudoProbeHandler() override; 3373471bf0Spatrick 3473471bf0Spatrick void emitPseudoProbe(uint64_t Guid, uint64_t Index, uint64_t Type, 3573471bf0Spatrick uint64_t Attr, const DILocation *DebugLoc); 3673471bf0Spatrick 3773471bf0Spatrick // Unused. setSymbolSize(const MCSymbol * Sym,uint64_t Size)3873471bf0Spatrick void setSymbolSize(const MCSymbol *Sym, uint64_t Size) override {} endModule()3973471bf0Spatrick void endModule() override {} beginFunction(const MachineFunction * MF)4073471bf0Spatrick void beginFunction(const MachineFunction *MF) override {} endFunction(const MachineFunction * MF)4173471bf0Spatrick void endFunction(const MachineFunction *MF) override {} beginInstruction(const MachineInstr * MI)4273471bf0Spatrick void beginInstruction(const MachineInstr *MI) override {} endInstruction()4373471bf0Spatrick void endInstruction() override {} 4473471bf0Spatrick }; 4573471bf0Spatrick 4673471bf0Spatrick } // namespace llvm 4773471bf0Spatrick #endif // LLVM_LIB_CODEGEN_ASMPRINTER_PSEUDOPROBEPRINTER_H 48