1 //===- DWARFDebugPubTable.cpp ---------------------------------------------===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 #include "llvm/DebugInfo/DWARF/DWARFDebugPubTable.h"
11 #include "llvm/ADT/StringRef.h"
12 #include "llvm/Support/DataExtractor.h"
13 #include "llvm/Support/Dwarf.h"
14 #include "llvm/Support/Format.h"
15 #include "llvm/Support/raw_ostream.h"
19 using namespace dwarf;
21 DWARFDebugPubTable::DWARFDebugPubTable(StringRef Data, bool LittleEndian,
23 : GnuStyle(GnuStyle) {
24 DataExtractor PubNames(Data, LittleEndian, 0);
26 while (PubNames.isValidOffset(Offset)) {
28 Set &SetData = Sets.back();
30 SetData.Length = PubNames.getU32(&Offset);
31 SetData.Version = PubNames.getU16(&Offset);
32 SetData.Offset = PubNames.getU32(&Offset);
33 SetData.Size = PubNames.getU32(&Offset);
35 while (Offset < Data.size()) {
36 uint32_t DieRef = PubNames.getU32(&Offset);
39 uint8_t IndexEntryValue = GnuStyle ? PubNames.getU8(&Offset) : 0;
40 const char *Name = PubNames.getCStr(&Offset);
41 SetData.Entries.push_back(
42 {DieRef, PubIndexEntryDescriptor(IndexEntryValue), Name});
47 void DWARFDebugPubTable::dump(StringRef Name, raw_ostream &OS) const {
48 OS << "\n." << Name << " contents:\n";
49 for (const Set &S : Sets) {
50 OS << "length = " << format("0x%08x", S.Length);
51 OS << " version = " << format("0x%04x", S.Version);
52 OS << " unit_offset = " << format("0x%08x", S.Offset);
53 OS << " unit_size = " << format("0x%08x", S.Size) << '\n';
54 OS << (GnuStyle ? "Offset Linkage Kind Name\n"
57 for (const Entry &E : S.Entries) {
58 OS << format("0x%8.8x ", E.SecOffset);
60 StringRef EntryLinkage =
61 GDBIndexEntryLinkageString(E.Descriptor.Linkage);
62 StringRef EntryKind = dwarf::GDBIndexEntryKindString(E.Descriptor.Kind);
63 OS << format("%-8s", EntryLinkage.data()) << ' '
64 << format("%-8s", EntryKind.data()) << ' ';
66 OS << '\"' << E.Name << "\"\n";