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//===-------- 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
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