diff options
Diffstat (limited to 'llvm/lib/DebugInfo/DWARF/DWARFDebugLine.cpp')
| -rw-r--r-- | llvm/lib/DebugInfo/DWARF/DWARFDebugLine.cpp | 41 |
1 files changed, 28 insertions, 13 deletions
diff --git a/llvm/lib/DebugInfo/DWARF/DWARFDebugLine.cpp b/llvm/lib/DebugInfo/DWARF/DWARFDebugLine.cpp index 5376b465a49..e5ef4eaceeb 100644 --- a/llvm/lib/DebugInfo/DWARF/DWARFDebugLine.cpp +++ b/llvm/lib/DebugInfo/DWARF/DWARFDebugLine.cpp @@ -48,6 +48,7 @@ void DWARFDebugLine::Prologue::clear() { MinInstLength = MaxOpsPerInst = DefaultIsStmt = LineBase = LineRange = 0; OpcodeBase = 0; FormParams = DWARFFormParams({0, 0, DWARF32}); + HasMD5 = false; StandardOpcodeLengths.clear(); IncludeDirectories.clear(); FileNames.clear(); @@ -78,15 +79,23 @@ void DWARFDebugLine::Prologue::dump(raw_ostream &OS) const { << IncludeDirectories[I] << "'\n"; if (!FileNames.empty()) { - OS << " Dir Mod Time File Len File Name\n" - << " ---- ---------- ---------- -----------" - "----------------\n"; + if (HasMD5) + OS << " Dir MD5 Checksum File Name\n" + << " ---- -------------------------------- -----------" + "---------------\n"; + else + OS << " Dir Mod Time File Len File Name\n" + << " ---- ---------- ---------- -----------" + "----------------\n"; for (uint32_t I = 0; I != FileNames.size(); ++I) { const FileNameEntry &FileEntry = FileNames[I]; - OS << format("file_names[%3u] %4" PRIu64 " ", I + 1, FileEntry.DirIdx) - << format("0x%8.8" PRIx64 " 0x%8.8" PRIx64 " ", FileEntry.ModTime, - FileEntry.Length) - << FileEntry.Name << '\n'; + OS << format("file_names[%3u] %4" PRIu64 " ", I + 1, FileEntry.DirIdx); + if (HasMD5) + OS << FileEntry.Checksum.digest(); + else + OS << format("0x%8.8" PRIx64 " 0x%8.8" PRIx64, FileEntry.ModTime, + FileEntry.Length); + OS << ' ' << FileEntry.Name << '\n'; } } } @@ -122,7 +131,7 @@ parseV2DirFileTables(const DWARFDataExtractor &DebugLineData, // ran off the end of the prologue. static ContentDescriptors parseV5EntryFormat(const DWARFDataExtractor &DebugLineData, uint32_t *OffsetPtr, - uint64_t EndPrologueOffset) { + uint64_t EndPrologueOffset, bool *HasMD5) { ContentDescriptors Descriptors; int FormatCount = DebugLineData.getU8(OffsetPtr); bool HasPath = false; @@ -135,6 +144,8 @@ parseV5EntryFormat(const DWARFDataExtractor &DebugLineData, uint32_t *OffsetPtr, Descriptor.Form = dwarf::Form(DebugLineData.getULEB128(OffsetPtr)); if (Descriptor.Type == dwarf::DW_LNCT_path) HasPath = true; + else if (Descriptor.Type == dwarf::DW_LNCT_MD5 && HasMD5) + *HasMD5 = true; Descriptors.push_back(Descriptor); } return HasPath ? Descriptors : ContentDescriptors(); @@ -144,11 +155,11 @@ static bool parseV5DirFileTables(const DWARFDataExtractor &DebugLineData, uint32_t *OffsetPtr, uint64_t EndPrologueOffset, const DWARFFormParams &FormParams, const DWARFUnit *U, - std::vector<StringRef> &IncludeDirectories, + bool &HasMD5, std::vector<StringRef> &IncludeDirectories, std::vector<DWARFDebugLine::FileNameEntry> &FileNames) { // Get the directory entry description. ContentDescriptors DirDescriptors = - parseV5EntryFormat(DebugLineData, OffsetPtr, EndPrologueOffset); + parseV5EntryFormat(DebugLineData, OffsetPtr, EndPrologueOffset, nullptr); if (DirDescriptors.empty()) return false; @@ -174,7 +185,7 @@ parseV5DirFileTables(const DWARFDataExtractor &DebugLineData, // Get the file entry description. ContentDescriptors FileDescriptors = - parseV5EntryFormat(DebugLineData, OffsetPtr, EndPrologueOffset); + parseV5EntryFormat(DebugLineData, OffsetPtr, EndPrologueOffset, &HasMD5); if (FileDescriptors.empty()) return false; @@ -201,7 +212,11 @@ parseV5DirFileTables(const DWARFDataExtractor &DebugLineData, case DW_LNCT_size: FileEntry.Length = Value.getAsUnsignedConstant().getValue(); break; - // FIXME: Add MD5 + case DW_LNCT_MD5: + assert(Value.getAsBlock().getValue().size() == 16); + std::uninitialized_copy_n(Value.getAsBlock().getValue().begin(), 16, + FileEntry.Checksum.Bytes.begin()); + break; default: break; } @@ -253,7 +268,7 @@ bool DWARFDebugLine::Prologue::parse(const DWARFDataExtractor &DebugLineData, if (getVersion() >= 5) { if (!parseV5DirFileTables(DebugLineData, OffsetPtr, EndPrologueOffset, - getFormParams(), U, IncludeDirectories, + getFormParams(), U, HasMD5, IncludeDirectories, FileNames)) { fprintf(stderr, "warning: parsing line table prologue at 0x%8.8" PRIx64 |
