diff options
Diffstat (limited to 'llvm/lib')
| -rw-r--r-- | llvm/lib/DebugInfo/DWARF/DWARFContext.cpp | 80 | ||||
| -rw-r--r-- | llvm/lib/ObjectYAML/DWARFEmitter.cpp | 39 |
2 files changed, 85 insertions, 34 deletions
diff --git a/llvm/lib/DebugInfo/DWARF/DWARFContext.cpp b/llvm/lib/DebugInfo/DWARF/DWARFContext.cpp index adc15b0481f..ab9f76a0bd5 100644 --- a/llvm/lib/DebugInfo/DWARF/DWARFContext.cpp +++ b/llvm/lib/DebugInfo/DWARF/DWARFContext.cpp @@ -617,40 +617,7 @@ DWARFContextInMemory::DWARFContextInMemory(const object::ObjectFile &Obj, name = name.substr( name.find_first_not_of("._z")); // Skip ".", "z" and "_" prefixes. - StringRef *SectionData = - StringSwitch<StringRef *>(name) - .Case("debug_info", &InfoSection.Data) - .Case("debug_abbrev", &AbbrevSection) - .Case("debug_loc", &LocSection.Data) - .Case("debug_line", &LineSection.Data) - .Case("debug_aranges", &ARangeSection) - .Case("debug_frame", &DebugFrameSection) - .Case("eh_frame", &EHFrameSection) - .Case("debug_str", &StringSection) - .Case("debug_ranges", &RangeSection) - .Case("debug_macinfo", &MacinfoSection) - .Case("debug_pubnames", &PubNamesSection) - .Case("debug_pubtypes", &PubTypesSection) - .Case("debug_gnu_pubnames", &GnuPubNamesSection) - .Case("debug_gnu_pubtypes", &GnuPubTypesSection) - .Case("debug_info.dwo", &InfoDWOSection.Data) - .Case("debug_abbrev.dwo", &AbbrevDWOSection) - .Case("debug_loc.dwo", &LocDWOSection.Data) - .Case("debug_line.dwo", &LineDWOSection.Data) - .Case("debug_str.dwo", &StringDWOSection) - .Case("debug_str_offsets.dwo", &StringOffsetDWOSection) - .Case("debug_addr", &AddrSection) - .Case("apple_names", &AppleNamesSection.Data) - .Case("apple_types", &AppleTypesSection.Data) - .Case("apple_namespaces", &AppleNamespacesSection.Data) - .Case("apple_namespac", &AppleNamespacesSection.Data) - .Case("apple_objc", &AppleObjCSection.Data) - .Case("debug_cu_index", &CUIndexSection) - .Case("debug_tu_index", &TUIndexSection) - .Case("gdb_index", &GdbIndexSection) - // Any more debug info sections go here. - .Default(nullptr); - if (SectionData) { + if (StringRef *SectionData = MapSectionToMember(name)) { *SectionData = data; if (name == "debug_ranges") { // FIXME: Use the other dwo range section when we emit it. @@ -811,4 +778,49 @@ DWARFContextInMemory::DWARFContextInMemory(const object::ObjectFile &Obj, } } +DWARFContextInMemory::DWARFContextInMemory( + const StringMap<std::unique_ptr<MemoryBuffer>> &Sections, uint8_t AddrSize, + bool isLittleEndian) + : IsLittleEndian(isLittleEndian), AddressSize(AddrSize) { + for (const auto &SecIt : Sections) { + if (StringRef *SectionData = MapSectionToMember(SecIt.first())) + *SectionData = SecIt.second->getBuffer(); + } +} + +StringRef *DWARFContextInMemory::MapSectionToMember(StringRef Name) { + return StringSwitch<StringRef *>(Name) + .Case("debug_info", &InfoSection.Data) + .Case("debug_abbrev", &AbbrevSection) + .Case("debug_loc", &LocSection.Data) + .Case("debug_line", &LineSection.Data) + .Case("debug_aranges", &ARangeSection) + .Case("debug_frame", &DebugFrameSection) + .Case("eh_frame", &EHFrameSection) + .Case("debug_str", &StringSection) + .Case("debug_ranges", &RangeSection) + .Case("debug_macinfo", &MacinfoSection) + .Case("debug_pubnames", &PubNamesSection) + .Case("debug_pubtypes", &PubTypesSection) + .Case("debug_gnu_pubnames", &GnuPubNamesSection) + .Case("debug_gnu_pubtypes", &GnuPubTypesSection) + .Case("debug_info.dwo", &InfoDWOSection.Data) + .Case("debug_abbrev.dwo", &AbbrevDWOSection) + .Case("debug_loc.dwo", &LocDWOSection.Data) + .Case("debug_line.dwo", &LineDWOSection.Data) + .Case("debug_str.dwo", &StringDWOSection) + .Case("debug_str_offsets.dwo", &StringOffsetDWOSection) + .Case("debug_addr", &AddrSection) + .Case("apple_names", &AppleNamesSection.Data) + .Case("apple_types", &AppleTypesSection.Data) + .Case("apple_namespaces", &AppleNamespacesSection.Data) + .Case("apple_namespac", &AppleNamespacesSection.Data) + .Case("apple_objc", &AppleObjCSection.Data) + .Case("debug_cu_index", &CUIndexSection) + .Case("debug_tu_index", &TUIndexSection) + .Case("gdb_index", &GdbIndexSection) + // Any more debug info sections go here. + .Default(nullptr); +} + void DWARFContextInMemory::anchor() { } diff --git a/llvm/lib/ObjectYAML/DWARFEmitter.cpp b/llvm/lib/ObjectYAML/DWARFEmitter.cpp index 7282384e8ff..1e2e960b9dc 100644 --- a/llvm/lib/ObjectYAML/DWARFEmitter.cpp +++ b/llvm/lib/ObjectYAML/DWARFEmitter.cpp @@ -330,3 +330,42 @@ void DWARFYAML::EmitDebugLine(raw_ostream &OS, const DWARFYAML::Data &DI) { } } } + +typedef void (*EmitFuncType)(raw_ostream &, const DWARFYAML::Data &); + +void EmitDebugSectionImpl( + const DWARFYAML::Data &DI, EmitFuncType EmitFunc, StringRef Sec, + StringMap<std::unique_ptr<MemoryBuffer>> &OutputBuffers) { + std::string Data; + raw_string_ostream DebugInfoStream(Data); + EmitFunc(DebugInfoStream, DI); + DebugInfoStream.flush(); + if (!Data.empty()) + OutputBuffers[Sec] = MemoryBuffer::getMemBufferCopy(Data); +} + +Expected<StringMap<std::unique_ptr<MemoryBuffer>>> +DWARFYAML::EmitDebugSections(StringRef YAMLString, + bool IsLittleEndian) { + StringMap<std::unique_ptr<MemoryBuffer>> DebugSections; + + yaml::Input YIn(YAMLString); + + DWARFYAML::Data DI; + DI.IsLittleEndian = IsLittleEndian; + YIn >> DI; + if (YIn.error()) + return errorCodeToError(YIn.error()); + + EmitDebugSectionImpl(DI, &DWARFYAML::EmitDebugInfo, "debug_info", + DebugSections); + EmitDebugSectionImpl(DI, &DWARFYAML::EmitDebugLine, "debug_line", + DebugSections); + EmitDebugSectionImpl(DI, &DWARFYAML::EmitDebugStr, "debug_str", + DebugSections); + EmitDebugSectionImpl(DI, &DWARFYAML::EmitDebugAbbrev, "debug_abbrev", + DebugSections); + EmitDebugSectionImpl(DI, &DWARFYAML::EmitDebugAranges, "debug_aranges", + DebugSections); + return std::move(DebugSections); +} |

