| //===-------- StackMapPrinter.h - Pretty-print stackmaps --------*- 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 |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #ifndef LLVM_TOOLS_LLVM_READOBJ_STACKMAPPRINTER_H |
| #define LLVM_TOOLS_LLVM_READOBJ_STACKMAPPRINTER_H |
| |
| #include "llvm/Object/StackMapParser.h" |
| #include "llvm/Support/ScopedPrinter.h" |
| |
| namespace llvm { |
| |
| // Pretty print a stackmap to the given ostream. |
| template <typename StackMapParserT> |
| void prettyPrintStackMap(ScopedPrinter &W, const StackMapParserT &SMP) { |
| |
| W.printNumber("LLVM StackMap Version", SMP.getVersion()); |
| W.printNumber("Num Functions", SMP.getNumFunctions()); |
| |
| // Functions: |
| for (const auto &F : SMP.functions()) |
| W.startLine() << " Function address: " << F.getFunctionAddress() |
| << ", stack size: " << F.getStackSize() |
| << ", callsite record count: " << F.getRecordCount() << "\n"; |
| |
| // Constants: |
| W.printNumber("Num Constants", SMP.getNumConstants()); |
| unsigned ConstantIndex = 0; |
| for (const auto &C : SMP.constants()) |
| W.startLine() << " #" << ++ConstantIndex << ": " << C.getValue() << "\n"; |
| |
| // Records: |
| W.printNumber("Num Records", SMP.getNumRecords()); |
| for (const auto &R : SMP.records()) { |
| W.startLine() << " Record ID: " << R.getID() |
| << ", instruction offset: " << R.getInstructionOffset() |
| << "\n"; |
| W.startLine() << " " << R.getNumLocations() << " locations:\n"; |
| |
| unsigned LocationIndex = 0; |
| for (const auto &Loc : R.locations()) { |
| raw_ostream &OS = W.startLine(); |
| OS << " #" << ++LocationIndex << ": "; |
| switch (Loc.getKind()) { |
| case StackMapParserT::LocationKind::Register: |
| OS << "Register R#" << Loc.getDwarfRegNum(); |
| break; |
| case StackMapParserT::LocationKind::Direct: |
| OS << "Direct R#" << Loc.getDwarfRegNum() << " + " << Loc.getOffset(); |
| break; |
| case StackMapParserT::LocationKind::Indirect: |
| OS << "Indirect [R#" << Loc.getDwarfRegNum() << " + " << Loc.getOffset() |
| << "]"; |
| break; |
| case StackMapParserT::LocationKind::Constant: |
| OS << "Constant " << Loc.getSmallConstant(); |
| break; |
| case StackMapParserT::LocationKind::ConstantIndex: |
| OS << "ConstantIndex #" << Loc.getConstantIndex() << " (" |
| << SMP.getConstant(Loc.getConstantIndex()).getValue() << ")"; |
| break; |
| } |
| OS << ", size: " << Loc.getSizeInBytes() << "\n"; |
| } |
| |
| raw_ostream &OS = W.startLine(); |
| OS << " " << R.getNumLiveOuts() << " live-outs: [ "; |
| for (const auto &LO : R.liveouts()) |
| OS << "R#" << LO.getDwarfRegNum() << " (" |
| << LO.getSizeInBytes() << "-bytes) "; |
| OS << "]\n"; |
| } |
| } |
| |
| } |
| |
| #endif |