82 lines
		
	
	
		
			2.9 KiB
		
	
	
	
		
			C++
		
	
	
	
			
		
		
	
	
			82 lines
		
	
	
		
			2.9 KiB
		
	
	
	
		
			C++
		
	
	
	
//===-------- StackMapPrinter.h - Pretty-print stackmaps --------*- C++ -*-===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_TOOLS_LLVM_READOBJ_STACKMAPPRINTER_H
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#define LLVM_TOOLS_LLVM_READOBJ_STACKMAPPRINTER_H
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#include "llvm/Object/StackMapParser.h"
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#include "llvm/Support/ScopedPrinter.h"
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namespace llvm {
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// Pretty print a stackmap to the given ostream.
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template <typename StackMapParserT>
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void prettyPrintStackMap(ScopedPrinter &W, const StackMapParserT &SMP) {
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  W.printNumber("LLVM StackMap Version",  SMP.getVersion());
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  W.printNumber("Num Functions", SMP.getNumFunctions());
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  // Functions:
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  for (const auto &F : SMP.functions())
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    W.startLine() << "  Function address: " << F.getFunctionAddress()
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       << ", stack size: " << F.getStackSize()
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       << ", callsite record count: " << F.getRecordCount() << "\n";
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  // Constants:
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  W.printNumber("Num Constants", SMP.getNumConstants());
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  unsigned ConstantIndex = 0;
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  for (const auto &C : SMP.constants())
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    W.startLine() << "  #" << ++ConstantIndex << ": " << C.getValue() << "\n";
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  // Records:
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  W.printNumber("Num Records", SMP.getNumRecords());
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  for (const auto &R : SMP.records()) {
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    W.startLine() << "  Record ID: " << R.getID()
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                  << ", instruction offset: " << R.getInstructionOffset()
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                  << "\n";
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    W.startLine() << "    " << R.getNumLocations() << " locations:\n";
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    unsigned LocationIndex = 0;
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    for (const auto &Loc : R.locations()) {
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      raw_ostream &OS = W.startLine();
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      OS << "      #" << ++LocationIndex << ": ";
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      switch (Loc.getKind()) {
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      case StackMapParserT::LocationKind::Register:
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        OS << "Register R#" << Loc.getDwarfRegNum();
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        break;
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      case StackMapParserT::LocationKind::Direct:
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        OS << "Direct R#" << Loc.getDwarfRegNum() << " + " << Loc.getOffset();
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        break;
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      case StackMapParserT::LocationKind::Indirect:
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        OS << "Indirect [R#" << Loc.getDwarfRegNum() << " + " << Loc.getOffset()
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           << "]";
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        break;
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      case StackMapParserT::LocationKind::Constant:
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        OS << "Constant " << Loc.getSmallConstant();
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        break;
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      case StackMapParserT::LocationKind::ConstantIndex:
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        OS << "ConstantIndex #" << Loc.getConstantIndex() << " ("
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           << SMP.getConstant(Loc.getConstantIndex()).getValue() << ")";
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        break;
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      }
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      OS << ", size: " << Loc.getSizeInBytes() << "\n";
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    }
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    raw_ostream &OS = W.startLine();
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    OS << "    " << R.getNumLiveOuts() << " live-outs: [ ";
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    for (const auto &LO : R.liveouts())
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      OS << "R#" << LO.getDwarfRegNum() << " ("
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         << LO.getSizeInBytes() << "-bytes) ";
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    OS << "]\n";
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  }
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}
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}
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#endif
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