void AsmPrinter::emitDwarfDIE(const DIE &Die) const { // Emit the code (index) for the abbreviation. if (isVerbose()) OutStreamer->AddComment("Abbrev [" + Twine(Die.getAbbrevNumber()) + "] 0x" + Twine::utohexstr(Die.getOffset()) + ":0x" + Twine::utohexstr(Die.getSize()) + " " + dwarf::TagString(Die.getTag())); EmitULEB128(Die.getAbbrevNumber()); // Emit the DIE attribute values. for (const auto &V : Die.values()) { dwarf::Attribute Attr = V.getAttribute(); assert(V.getForm() && "Too many attributes for DIE (check abbreviation)"); if (isVerbose()) { OutStreamer->AddComment(dwarf::AttributeString(Attr)); if (Attr == dwarf::DW_AT_accessibility) OutStreamer->AddComment( dwarf::AccessibilityString(V.getDIEInteger().getValue())); } // Emit an attribute using the defined form. V.EmitValue(this); } // Emit the DIE children if any. if (Die.hasChildren()) { for (auto &Child : Die.children()) emitDwarfDIE(Child); OutStreamer->AddComment("End Of Children Mark"); EmitInt8(0); } }
/// Climb up the parent chain to get the compile unit DIE to which this DIE /// belongs. DIE *DIE::getCompileUnit() { DIE *p = this; while (p) { if (p->getTag() == dwarf::DW_TAG_compile_unit) return p; p = p->getParent(); } llvm_unreachable("We should not have orphaned DIEs."); }
void CompileUnit::noteRangeAttribute(const DIE &Die, PatchLocation Attr) { if (Die.getTag() != dwarf::DW_TAG_compile_unit) RangeAttributes.push_back(Attr); else UnitRangeAttribute = Attr; }