diff options
Diffstat (limited to 'contrib/llvm/lib/DebugInfo/DWARF/DWARFDebugPubTable.cpp')
-rw-r--r-- | contrib/llvm/lib/DebugInfo/DWARF/DWARFDebugPubTable.cpp | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/contrib/llvm/lib/DebugInfo/DWARF/DWARFDebugPubTable.cpp b/contrib/llvm/lib/DebugInfo/DWARF/DWARFDebugPubTable.cpp new file mode 100644 index 0000000..3c1fe93 --- /dev/null +++ b/contrib/llvm/lib/DebugInfo/DWARF/DWARFDebugPubTable.cpp @@ -0,0 +1,65 @@ +//===-- DWARFDebugPubTable.cpp ---------------------------------------------===// +// +// The LLVM Compiler Infrastructure +// +// This file is distributed under the University of Illinois Open Source +// License. See LICENSE.TXT for details. +// +//===----------------------------------------------------------------------===// + +#include "llvm/DebugInfo/DWARF/DWARFDebugPubTable.h" +#include "llvm/Support/Format.h" +#include "llvm/Support/raw_ostream.h" + +using namespace llvm; +using namespace llvm::dwarf; + +DWARFDebugPubTable::DWARFDebugPubTable(StringRef Data, bool LittleEndian, + bool GnuStyle) + : GnuStyle(GnuStyle) { + DataExtractor PubNames(Data, LittleEndian, 0); + uint32_t Offset = 0; + while (PubNames.isValidOffset(Offset)) { + Sets.push_back({}); + Set &SetData = Sets.back(); + + SetData.Length = PubNames.getU32(&Offset); + SetData.Version = PubNames.getU16(&Offset); + SetData.Offset = PubNames.getU32(&Offset); + SetData.Size = PubNames.getU32(&Offset); + + while (Offset < Data.size()) { + uint32_t DieRef = PubNames.getU32(&Offset); + if (DieRef == 0) + break; + uint8_t IndexEntryValue = GnuStyle ? PubNames.getU8(&Offset) : 0; + const char *Name = PubNames.getCStr(&Offset); + SetData.Entries.push_back( + {DieRef, PubIndexEntryDescriptor(IndexEntryValue), Name}); + } + } +} + +void DWARFDebugPubTable::dump(StringRef Name, raw_ostream &OS) const { + OS << "\n." << Name << " contents: a\n"; + for (const Set &S : Sets) { + OS << "length = " << format("0x%08x", S.Length); + OS << " version = " << format("0x%04x", S.Version); + OS << " unit_offset = " << format("0x%08x", S.Offset); + OS << " unit_size = " << format("0x%08x", S.Size) << '\n'; + OS << (GnuStyle ? "Offset Linkage Kind Name\n" + : "Offset Name\n"); + + for (const Entry &E : S.Entries) { + OS << format("0x%8.8x ", E.SecOffset); + if (GnuStyle) { + StringRef EntryLinkage = + dwarf::GDBIndexEntryLinkageString(E.Descriptor.Linkage); + StringRef EntryKind = dwarf::GDBIndexEntryKindString(E.Descriptor.Kind); + OS << format("%-8s", EntryLinkage.data()) << ' ' + << format("%-8s", EntryKind.data()) << ' '; + } + OS << '\"' << E.Name << "\"\n"; + } + } +} |