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1//===-------- StackMapPrinter.h - Pretty-print stackmaps --------*- C++ -*-===//2//3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.4// See https://llvm.org/LICENSE.txt for license information.5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception6//7//===----------------------------------------------------------------------===//8 9#ifndef LLVM_TOOLS_LLVM_READOBJ_STACKMAPPRINTER_H10#define LLVM_TOOLS_LLVM_READOBJ_STACKMAPPRINTER_H11 12#include "llvm/Object/StackMapParser.h"13#include "llvm/Support/ScopedPrinter.h"14 15namespace llvm {16 17// Pretty print a stackmap to the given ostream.18template <typename StackMapParserT>19void prettyPrintStackMap(ScopedPrinter &W, const StackMapParserT &SMP) {20 21 W.printNumber("LLVM StackMap Version", SMP.getVersion());22 W.printNumber("Num Functions", SMP.getNumFunctions());23 24 // Functions:25 for (const auto &F : SMP.functions())26 W.startLine() << " Function address: " << F.getFunctionAddress()27 << ", stack size: " << F.getStackSize()28 << ", callsite record count: " << F.getRecordCount() << "\n";29 30 // Constants:31 W.printNumber("Num Constants", SMP.getNumConstants());32 unsigned ConstantIndex = 0;33 for (const auto &C : SMP.constants())34 W.startLine() << " #" << ++ConstantIndex << ": " << C.getValue() << "\n";35 36 // Records:37 W.printNumber("Num Records", SMP.getNumRecords());38 for (const auto &R : SMP.records()) {39 W.startLine() << " Record ID: " << R.getID()40 << ", instruction offset: " << R.getInstructionOffset()41 << "\n";42 W.startLine() << " " << R.getNumLocations() << " locations:\n";43 44 unsigned LocationIndex = 0;45 for (const auto &Loc : R.locations()) {46 raw_ostream &OS = W.startLine();47 OS << " #" << ++LocationIndex << ": ";48 switch (Loc.getKind()) {49 case StackMapParserT::LocationKind::Register:50 OS << "Register R#" << Loc.getDwarfRegNum();51 break;52 case StackMapParserT::LocationKind::Direct:53 OS << "Direct R#" << Loc.getDwarfRegNum() << " + " << Loc.getOffset();54 break;55 case StackMapParserT::LocationKind::Indirect:56 OS << "Indirect [R#" << Loc.getDwarfRegNum() << " + " << Loc.getOffset()57 << "]";58 break;59 case StackMapParserT::LocationKind::Constant:60 OS << "Constant " << Loc.getSmallConstant();61 break;62 case StackMapParserT::LocationKind::ConstantIndex:63 OS << "ConstantIndex #" << Loc.getConstantIndex() << " ("64 << SMP.getConstant(Loc.getConstantIndex()).getValue() << ")";65 break;66 }67 OS << ", size: " << Loc.getSizeInBytes() << "\n";68 }69 70 raw_ostream &OS = W.startLine();71 OS << " " << R.getNumLiveOuts() << " live-outs: [ ";72 for (const auto &LO : R.liveouts())73 OS << "R#" << LO.getDwarfRegNum() << " ("74 << LO.getSizeInBytes() << "-bytes) ";75 OS << "]\n";76 }77}78 79}80 81#endif82