static void dumpAttribute(raw_ostream &OS, const DWARFDie &Die, uint32_t *OffsetPtr, dwarf::Attribute Attr, dwarf::Form Form, unsigned Indent, DIDumpOptions DumpOpts) { if (!Die.isValid()) return; const char BaseIndent[] = " "; OS << BaseIndent; OS.indent(Indent + 2); WithColor(OS, HighlightColor::Attribute) << formatv("{0}", Attr); if (DumpOpts.Verbose || DumpOpts.ShowForm) OS << formatv(" [{0}]", Form); DWARFUnit *U = Die.getDwarfUnit(); DWARFFormValue FormValue = DWARFFormValue::createFromUnit(Form, U, OffsetPtr); OS << "\t("; StringRef Name; std::string File; auto Color = HighlightColor::Enumerator; if (Attr == DW_AT_decl_file || Attr == DW_AT_call_file) { Color = HighlightColor::String; if (const auto *LT = U->getContext().getLineTableForUnit(U)) if (LT->getFileNameByIndex( FormValue.getAsUnsignedConstant().getValue(), U->getCompilationDir(), DILineInfoSpecifier::FileLineInfoKind::AbsoluteFilePath, File)) { File = '"' + File + '"'; Name = File; } } else if (Optional<uint64_t> Val = FormValue.getAsUnsignedConstant()) Name = AttributeValueString(Attr, *Val); if (!Name.empty()) WithColor(OS, Color) << Name; else if (Attr == DW_AT_decl_line || Attr == DW_AT_call_line) OS << *FormValue.getAsUnsignedConstant(); else if (Attr == DW_AT_high_pc && !DumpOpts.ShowForm && !DumpOpts.Verbose && FormValue.getAsUnsignedConstant()) { if (DumpOpts.ShowAddresses) { // Print the actual address rather than the offset. uint64_t LowPC, HighPC, Index; if (Die.getLowAndHighPC(LowPC, HighPC, Index)) OS << format("0x%016" PRIx64, HighPC); else FormValue.dump(OS, DumpOpts); } } else if (DWARFAttribute::mayHaveLocationDescription(Attr)) dumpLocation(OS, FormValue, U, sizeof(BaseIndent) + Indent + 4, DumpOpts); else FormValue.dump(OS, DumpOpts); std::string Space = DumpOpts.ShowAddresses ? " " : ""; // We have dumped the attribute raw value. For some attributes // having both the raw value and the pretty-printed value is // interesting. These attributes are handled below. if (Attr == DW_AT_specification || Attr == DW_AT_abstract_origin) { if (const char *Name = Die.getAttributeValueAsReferencedDie(FormValue).getName( DINameKind::LinkageName)) OS << Space << "\"" << Name << '\"'; } else if (Attr == DW_AT_type) { OS << Space << "\""; dumpTypeName(OS, Die.getAttributeValueAsReferencedDie(FormValue)); OS << '"'; } else if (Attr == DW_AT_APPLE_property_attribute) { if (Optional<uint64_t> OptVal = FormValue.getAsUnsignedConstant()) dumpApplePropertyAttribute(OS, *OptVal); } else if (Attr == DW_AT_ranges) { const DWARFObject &Obj = Die.getDwarfUnit()->getContext().getDWARFObj(); // For DW_FORM_rnglistx we need to dump the offset separately, since // we have only dumped the index so far. if (FormValue.getForm() == DW_FORM_rnglistx) if (auto RangeListOffset = U->getRnglistOffset(*FormValue.getAsSectionOffset())) { DWARFFormValue FV = DWARFFormValue::createFromUValue( dwarf::DW_FORM_sec_offset, *RangeListOffset); FV.dump(OS, DumpOpts); } if (auto RangesOrError = Die.getAddressRanges()) dumpRanges(Obj, OS, RangesOrError.get(), U->getAddressByteSize(), sizeof(BaseIndent) + Indent + 4, DumpOpts); else WithColor::error() << "decoding address ranges: " << toString(RangesOrError.takeError()) << '\n'; } OS << ")\n"; }
static void dumpAttribute(raw_ostream &OS, const DWARFDie &Die, uint32_t *OffsetPtr, dwarf::Attribute Attr, dwarf::Form Form, unsigned Indent) { if (!Die.isValid()) return; const char BaseIndent[] = " "; OS << BaseIndent; OS.indent(Indent+2); auto attrString = AttributeString(Attr); if (!attrString.empty()) WithColor(OS, syntax::Attribute) << attrString; else WithColor(OS, syntax::Attribute).get() << format("DW_AT_Unknown_%x", Attr); auto formString = FormEncodingString(Form); if (!formString.empty()) OS << " [" << formString << ']'; else OS << format(" [DW_FORM_Unknown_%x]", Form); DWARFUnit *U = Die.getDwarfUnit(); DWARFFormValue formValue(Form); if (!formValue.extractValue(U->getDebugInfoExtractor(), OffsetPtr, U)) return; OS << "\t("; StringRef Name; std::string File; auto Color = syntax::Enumerator; if (Attr == DW_AT_decl_file || Attr == DW_AT_call_file) { Color = syntax::String; if (const auto *LT = U->getContext().getLineTableForUnit(U)) if (LT->getFileNameByIndex(formValue.getAsUnsignedConstant().getValue(), U->getCompilationDir(), DILineInfoSpecifier::FileLineInfoKind::AbsoluteFilePath, File)) { File = '"' + File + '"'; Name = File; } } else if (Optional<uint64_t> Val = formValue.getAsUnsignedConstant()) Name = AttributeValueString(Attr, *Val); if (!Name.empty()) WithColor(OS, Color) << Name; else if (Attr == DW_AT_decl_line || Attr == DW_AT_call_line) OS << *formValue.getAsUnsignedConstant(); else formValue.dump(OS); // We have dumped the attribute raw value. For some attributes // having both the raw value and the pretty-printed value is // interesting. These attributes are handled below. if (Attr == DW_AT_specification || Attr == DW_AT_abstract_origin) { if (const char *Name = Die.getAttributeValueAsReferencedDie(Attr).getName(DINameKind::LinkageName)) OS << " \"" << Name << '\"'; } else if (Attr == DW_AT_APPLE_property_attribute) { if (Optional<uint64_t> OptVal = formValue.getAsUnsignedConstant()) dumpApplePropertyAttribute(OS, *OptVal); } else if (Attr == DW_AT_ranges) { dumpRanges(OS, Die.getAddressRanges(), U->getAddressByteSize(), sizeof(BaseIndent)+Indent+4); } OS << ")\n"; }
static void dumpAttribute(raw_ostream &OS, const DWARFDie &Die, uint32_t *OffsetPtr, dwarf::Attribute Attr, dwarf::Form Form, unsigned Indent, DIDumpOptions DumpOpts) { if (!Die.isValid()) return; const char BaseIndent[] = " "; OS << BaseIndent; OS.indent(Indent + 2); auto attrString = AttributeString(Attr); if (!attrString.empty()) WithColor(OS, HighlightColor::Attribute) << attrString; else WithColor(OS, HighlightColor::Attribute).get() << format("DW_AT_Unknown_%x", Attr); if (DumpOpts.Verbose || DumpOpts.ShowForm) { auto formString = FormEncodingString(Form); if (!formString.empty()) OS << " [" << formString << ']'; else OS << format(" [DW_FORM_Unknown_%x]", Form); } DWARFUnit *U = Die.getDwarfUnit(); DWARFFormValue formValue(Form); if (!formValue.extractValue(U->getDebugInfoExtractor(), OffsetPtr, U->getFormParams(), U)) return; OS << "\t("; StringRef Name; std::string File; auto Color = HighlightColor::Enumerator; if (Attr == DW_AT_decl_file || Attr == DW_AT_call_file) { Color = HighlightColor::String; if (const auto *LT = U->getContext().getLineTableForUnit(U)) if (LT->getFileNameByIndex( formValue.getAsUnsignedConstant().getValue(), U->getCompilationDir(), DILineInfoSpecifier::FileLineInfoKind::AbsoluteFilePath, File)) { File = '"' + File + '"'; Name = File; } } else if (Optional<uint64_t> Val = formValue.getAsUnsignedConstant()) Name = AttributeValueString(Attr, *Val); if (!Name.empty()) WithColor(OS, Color) << Name; else if (Attr == DW_AT_decl_line || Attr == DW_AT_call_line) OS << *formValue.getAsUnsignedConstant(); else if (Attr == DW_AT_high_pc && !DumpOpts.ShowForm && !DumpOpts.Verbose && formValue.getAsUnsignedConstant()) { if (DumpOpts.ShowAddresses) { // Print the actual address rather than the offset. uint64_t LowPC, HighPC, Index; if (Die.getLowAndHighPC(LowPC, HighPC, Index)) OS << format("0x%016" PRIx64, HighPC); else formValue.dump(OS, DumpOpts); } } else if (Attr == DW_AT_location || Attr == DW_AT_frame_base || Attr == DW_AT_data_member_location || Attr == DW_AT_GNU_call_site_value) dumpLocation(OS, formValue, U, sizeof(BaseIndent) + Indent + 4, DumpOpts); else formValue.dump(OS, DumpOpts); // We have dumped the attribute raw value. For some attributes // having both the raw value and the pretty-printed value is // interesting. These attributes are handled below. if (Attr == DW_AT_specification || Attr == DW_AT_abstract_origin) { if (const char *Name = Die.getAttributeValueAsReferencedDie(Attr).getName( DINameKind::LinkageName)) OS << " \"" << Name << '\"'; } else if (Attr == DW_AT_type) { OS << " \""; dumpTypeName(OS, Die); OS << '"'; } else if (Attr == DW_AT_APPLE_property_attribute) { if (Optional<uint64_t> OptVal = formValue.getAsUnsignedConstant()) dumpApplePropertyAttribute(OS, *OptVal); } else if (Attr == DW_AT_ranges) { const DWARFObject &Obj = Die.getDwarfUnit()->getContext().getDWARFObj(); dumpRanges(Obj, OS, Die.getAddressRanges(), U->getAddressByteSize(), sizeof(BaseIndent) + Indent + 4, DumpOpts); } OS << ")\n"; }