llvm-project/llvm/lib/DebugInfo/PDB/PDBSymbolFunc.cpp

90 lines
3.0 KiB
C++

//===- PDBSymbolFunc.cpp - --------------------------------------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#include "llvm/DebugInfo/PDB/IPDBEnumChildren.h"
#include "llvm/DebugInfo/PDB/IPDBSession.h"
#include "llvm/DebugInfo/PDB/PDBSymbol.h"
#include "llvm/DebugInfo/PDB/PDBSymbolFunc.h"
#include "llvm/DebugInfo/PDB/PDBSymbolFuncDebugEnd.h"
#include "llvm/DebugInfo/PDB/PDBSymbolFuncDebugStart.h"
#include "llvm/DebugInfo/PDB/PDBSymbolTypeFunctionSig.h"
#include "llvm/DebugInfo/PDB/PDBSymbolTypeUDT.h"
#include "llvm/Support/Format.h"
#include <utility>
using namespace llvm;
PDBSymbolFunc::PDBSymbolFunc(const IPDBSession &PDBSession,
std::unique_ptr<IPDBRawSymbol> Symbol)
: PDBSymbol(PDBSession, std::move(Symbol)) {}
std::unique_ptr<PDBSymbolTypeFunctionSig> PDBSymbolFunc::getSignature() const {
return Session.getConcreteSymbolById<PDBSymbolTypeFunctionSig>(getTypeId());
}
void PDBSymbolFunc::dump(raw_ostream &OS, int Indent,
PDB_DumpLevel Level) const {
OS << stream_indent(Indent);
if (Level >= PDB_DumpLevel::Normal) {
uint32_t FuncStart = getRelativeVirtualAddress();
uint32_t FuncEnd = FuncStart + getLength();
if (FuncStart == 0 && FuncEnd == 0) {
OS << "func [???] ";
} else {
OS << "func ";
OS << "[" << format_hex(FuncStart, 8);
if (auto DebugStart = findOneChild<PDBSymbolFuncDebugStart>())
OS << "+" << DebugStart->getRelativeVirtualAddress() - FuncStart;
OS << " - " << format_hex(FuncEnd, 8);
if (auto DebugEnd = findOneChild<PDBSymbolFuncDebugEnd>())
OS << "-" << FuncEnd - DebugEnd->getRelativeVirtualAddress();
OS << "] ";
}
PDB_RegisterId Reg = getLocalBasePointerRegisterId();
if (Reg == PDB_RegisterId::VFrame)
OS << "(VFrame)";
else if (hasFramePointer())
OS << "(" << Reg << ")";
else
OS << "(FPO)";
OS << " ";
if (auto FuncSig = getSignature()) {
// If we have a signature, dump the name with the signature.
if (auto ReturnType = FuncSig->getReturnType()) {
ReturnType->dump(OS, 0, PDB_DumpLevel::Compact);
OS << " ";
}
OS << FuncSig->getCallingConvention() << " ";
if (auto ClassParent = FuncSig->getClassParent()) {
ClassParent->dump(OS, 0, PDB_DumpLevel::Compact);
OS << "::";
}
OS << getName();
FuncSig->dumpArgList(OS);
} else {
uint32_t ClassId = getClassParentId();
if (ClassId != 0) {
if (auto Class = Session.getSymbolById(ClassId)) {
if (auto UDT = dyn_cast<PDBSymbolTypeUDT>(Class.get()))
OS << UDT->getName() << "::";
else
OS << "{class " << Class->getSymTag() << "}::";
}
}
OS << getName();
}
} else {
OS << getName();
}
}