1 //===-------- StackMapPrinter.h - Pretty-print stackmaps --------*- C++ -*-===// 2 // 3 // The LLVM Compiler Infrastructure 4 // 5 // This file is distributed under the University of Illinois Open Source 6 // License. See LICENSE.TXT for details. 7 // 8 //===----------------------------------------------------------------------===// 9 10 #ifndef LLVM_TOOLS_LLVM_READOBJ_STACKMAPPRINTER_H 11 #define LLVM_TOOLS_LLVM_READOBJ_STACKMAPPRINTER_H 12 13 #include "llvm/Object/StackMapParser.h" 14 15 namespace llvm { 16 17 // Pretty print a stackmap to the given ostream. 18 template <typename OStreamT, typename StackMapParserT> 19 void prettyPrintStackMap(OStreamT &OS, const StackMapParserT &SMP) { 20 21 OS << "LLVM StackMap Version: " << SMP.getVersion() 22 << "\nNum Functions: " << SMP.getNumFunctions(); 23 24 // Functions: 25 for (const auto &F : SMP.functions()) 26 OS << "\n Function address: " << F.getFunctionAddress() 27 << ", stack size: " << F.getStackSize(); 28 29 // Constants: 30 OS << "\nNum Constants: " << SMP.getNumConstants(); 31 unsigned ConstantIndex = 0; 32 for (const auto &C : SMP.constants()) 33 OS << "\n #" << ++ConstantIndex << ": " << C.getValue(); 34 35 // Records: 36 OS << "\nNum Records: " << SMP.getNumRecords(); 37 for (const auto &R : SMP.records()) { 38 OS << "\n Record ID: " << R.getID() 39 << ", instruction offset: " << R.getInstructionOffset() 40 << "\n " << R.getNumLocations() << " locations:"; 41 42 unsigned LocationIndex = 0; 43 for (const auto &Loc : R.locations()) { 44 OS << "\n #" << ++LocationIndex << ": "; 45 switch (Loc.getKind()) { 46 case StackMapParserT::LocationKind::Register: 47 OS << "Register R#" << Loc.getDwarfRegNum(); 48 break; 49 case StackMapParserT::LocationKind::Direct: 50 OS << "Direct R#" << Loc.getDwarfRegNum() << " + " 51 << Loc.getOffset(); 52 break; 53 case StackMapParserT::LocationKind::Indirect: 54 OS << "Indirect [R#" << Loc.getDwarfRegNum() << " + " 55 << Loc.getOffset() << "]"; 56 break; 57 case StackMapParserT::LocationKind::Constant: 58 OS << "Constant " << Loc.getSmallConstant(); 59 break; 60 case StackMapParserT::LocationKind::ConstantIndex: 61 OS << "ConstantIndex #" << Loc.getConstantIndex() << " (" 62 << SMP.getConstant(Loc.getConstantIndex()).getValue() << ")"; 63 break; 64 } 65 } 66 67 OS << "\n " << R.getNumLiveOuts() << " live-outs: [ "; 68 for (const auto &LO : R.liveouts()) 69 OS << "R#" << LO.getDwarfRegNum() << " (" 70 << LO.getSizeInBytes() << "-bytes) "; 71 OS << "]\n"; 72 } 73 74 OS << "\n"; 75 76 } 77 78 } 79 80 #endif 81
