1*e8d8bef9SDimitry Andric //===- PseudoProbePrinter.h - Pseudo probe encoding support -----*- C++ -*-===// 2*e8d8bef9SDimitry Andric // 3*e8d8bef9SDimitry Andric // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4*e8d8bef9SDimitry Andric // See https://llvm.org/LICENSE.txt for license information. 5*e8d8bef9SDimitry Andric // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6*e8d8bef9SDimitry Andric // 7*e8d8bef9SDimitry Andric //===----------------------------------------------------------------------===// 8*e8d8bef9SDimitry Andric // 9*e8d8bef9SDimitry Andric // This file contains support for writing pseudo probe info into asm files. 10*e8d8bef9SDimitry Andric // 11*e8d8bef9SDimitry Andric //===----------------------------------------------------------------------===// 12*e8d8bef9SDimitry Andric 13*e8d8bef9SDimitry Andric #ifndef LLVM_LIB_CODEGEN_ASMPRINTER_PSEUDOPROBEPRINTER_H 14*e8d8bef9SDimitry Andric #define LLVM_LIB_CODEGEN_ASMPRINTER_PSEUDOPROBEPRINTER_H 15*e8d8bef9SDimitry Andric 16*e8d8bef9SDimitry Andric #include "llvm/ADT/DenseMap.h" 17*e8d8bef9SDimitry Andric #include "llvm/CodeGen/AsmPrinterHandler.h" 18*e8d8bef9SDimitry Andric 19*e8d8bef9SDimitry Andric namespace llvm { 20*e8d8bef9SDimitry Andric 21*e8d8bef9SDimitry Andric class AsmPrinter; 22*e8d8bef9SDimitry Andric class MCStreamer; 23*e8d8bef9SDimitry Andric class Module; 24*e8d8bef9SDimitry Andric class DILocation; 25*e8d8bef9SDimitry Andric 26*e8d8bef9SDimitry Andric class PseudoProbeHandler : public AsmPrinterHandler { 27*e8d8bef9SDimitry Andric // Target of pseudo probe emission. 28*e8d8bef9SDimitry Andric AsmPrinter *Asm; 29*e8d8bef9SDimitry Andric // Name to GUID map 30*e8d8bef9SDimitry Andric DenseMap<StringRef, uint64_t> Names; 31*e8d8bef9SDimitry Andric 32*e8d8bef9SDimitry Andric public: 33*e8d8bef9SDimitry Andric PseudoProbeHandler(AsmPrinter *A, Module *M); 34*e8d8bef9SDimitry Andric ~PseudoProbeHandler() override; 35*e8d8bef9SDimitry Andric 36*e8d8bef9SDimitry Andric void emitPseudoProbe(uint64_t Guid, uint64_t Index, uint64_t Type, 37*e8d8bef9SDimitry Andric uint64_t Attr, const DILocation *DebugLoc); 38*e8d8bef9SDimitry Andric 39*e8d8bef9SDimitry Andric // Unused. 40*e8d8bef9SDimitry Andric void setSymbolSize(const MCSymbol *Sym, uint64_t Size) override {} 41*e8d8bef9SDimitry Andric void endModule() override {} 42*e8d8bef9SDimitry Andric void beginFunction(const MachineFunction *MF) override {} 43*e8d8bef9SDimitry Andric void endFunction(const MachineFunction *MF) override {} 44*e8d8bef9SDimitry Andric void beginInstruction(const MachineInstr *MI) override {} 45*e8d8bef9SDimitry Andric void endInstruction() override {} 46*e8d8bef9SDimitry Andric 47*e8d8bef9SDimitry Andric #ifndef NDEBUG 48*e8d8bef9SDimitry Andric void dump() const; 49*e8d8bef9SDimitry Andric #endif 50*e8d8bef9SDimitry Andric }; 51*e8d8bef9SDimitry Andric 52*e8d8bef9SDimitry Andric } // namespace llvm 53*e8d8bef9SDimitry Andric #endif // LLVM_LIB_CODEGEN_ASMPRINTER_PSEUDOPROBEPRINTER_H 54