1*0b57cec5SDimitry Andric //===- DWARFDebugPubTable.cpp ---------------------------------------------===// 2*0b57cec5SDimitry Andric // 3*0b57cec5SDimitry Andric // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4*0b57cec5SDimitry Andric // See https://llvm.org/LICENSE.txt for license information. 5*0b57cec5SDimitry Andric // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6*0b57cec5SDimitry Andric // 7*0b57cec5SDimitry Andric //===----------------------------------------------------------------------===// 8*0b57cec5SDimitry Andric 9*0b57cec5SDimitry Andric #include "llvm/DebugInfo/DWARF/DWARFDebugPubTable.h" 10*0b57cec5SDimitry Andric #include "llvm/DebugInfo/DWARF/DWARFDataExtractor.h" 11*0b57cec5SDimitry Andric #include "llvm/ADT/StringRef.h" 12*0b57cec5SDimitry Andric #include "llvm/BinaryFormat/Dwarf.h" 13*0b57cec5SDimitry Andric #include "llvm/Support/DataExtractor.h" 14*0b57cec5SDimitry Andric #include "llvm/Support/Format.h" 15*0b57cec5SDimitry Andric #include "llvm/Support/raw_ostream.h" 16*0b57cec5SDimitry Andric #include <cstdint> 17*0b57cec5SDimitry Andric 18*0b57cec5SDimitry Andric using namespace llvm; 19*0b57cec5SDimitry Andric using namespace dwarf; 20*0b57cec5SDimitry Andric 21*0b57cec5SDimitry Andric DWARFDebugPubTable::DWARFDebugPubTable(const DWARFObject &Obj, 22*0b57cec5SDimitry Andric const DWARFSection &Sec, 23*0b57cec5SDimitry Andric bool LittleEndian, bool GnuStyle) 24*0b57cec5SDimitry Andric : GnuStyle(GnuStyle) { 25*0b57cec5SDimitry Andric DWARFDataExtractor PubNames(Obj, Sec, LittleEndian, 0); 26*0b57cec5SDimitry Andric uint32_t Offset = 0; 27*0b57cec5SDimitry Andric while (PubNames.isValidOffset(Offset)) { 28*0b57cec5SDimitry Andric Sets.push_back({}); 29*0b57cec5SDimitry Andric Set &SetData = Sets.back(); 30*0b57cec5SDimitry Andric 31*0b57cec5SDimitry Andric SetData.Length = PubNames.getU32(&Offset); 32*0b57cec5SDimitry Andric SetData.Version = PubNames.getU16(&Offset); 33*0b57cec5SDimitry Andric SetData.Offset = PubNames.getRelocatedValue(4, &Offset); 34*0b57cec5SDimitry Andric SetData.Size = PubNames.getU32(&Offset); 35*0b57cec5SDimitry Andric 36*0b57cec5SDimitry Andric while (Offset < Sec.Data.size()) { 37*0b57cec5SDimitry Andric uint32_t DieRef = PubNames.getU32(&Offset); 38*0b57cec5SDimitry Andric if (DieRef == 0) 39*0b57cec5SDimitry Andric break; 40*0b57cec5SDimitry Andric uint8_t IndexEntryValue = GnuStyle ? PubNames.getU8(&Offset) : 0; 41*0b57cec5SDimitry Andric StringRef Name = PubNames.getCStrRef(&Offset); 42*0b57cec5SDimitry Andric SetData.Entries.push_back( 43*0b57cec5SDimitry Andric {DieRef, PubIndexEntryDescriptor(IndexEntryValue), Name}); 44*0b57cec5SDimitry Andric } 45*0b57cec5SDimitry Andric } 46*0b57cec5SDimitry Andric } 47*0b57cec5SDimitry Andric 48*0b57cec5SDimitry Andric void DWARFDebugPubTable::dump(raw_ostream &OS) const { 49*0b57cec5SDimitry Andric for (const Set &S : Sets) { 50*0b57cec5SDimitry Andric OS << "length = " << format("0x%08x", S.Length); 51*0b57cec5SDimitry Andric OS << " version = " << format("0x%04x", S.Version); 52*0b57cec5SDimitry Andric OS << " unit_offset = " << format("0x%08x", S.Offset); 53*0b57cec5SDimitry Andric OS << " unit_size = " << format("0x%08x", S.Size) << '\n'; 54*0b57cec5SDimitry Andric OS << (GnuStyle ? "Offset Linkage Kind Name\n" 55*0b57cec5SDimitry Andric : "Offset Name\n"); 56*0b57cec5SDimitry Andric 57*0b57cec5SDimitry Andric for (const Entry &E : S.Entries) { 58*0b57cec5SDimitry Andric OS << format("0x%8.8x ", E.SecOffset); 59*0b57cec5SDimitry Andric if (GnuStyle) { 60*0b57cec5SDimitry Andric StringRef EntryLinkage = 61*0b57cec5SDimitry Andric GDBIndexEntryLinkageString(E.Descriptor.Linkage); 62*0b57cec5SDimitry Andric StringRef EntryKind = dwarf::GDBIndexEntryKindString(E.Descriptor.Kind); 63*0b57cec5SDimitry Andric OS << format("%-8s", EntryLinkage.data()) << ' ' 64*0b57cec5SDimitry Andric << format("%-8s", EntryKind.data()) << ' '; 65*0b57cec5SDimitry Andric } 66*0b57cec5SDimitry Andric OS << '\"' << E.Name << "\"\n"; 67*0b57cec5SDimitry Andric } 68*0b57cec5SDimitry Andric } 69*0b57cec5SDimitry Andric } 70