1 //===- DWARFDie.cpp -------------------------------------------------------===//
3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 // See https://llvm.org/LICENSE.txt for license information.
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
7 //===----------------------------------------------------------------------===//
9 #include "llvm/DebugInfo/DWARF/DWARFDie.h"
10 #include "llvm/ADT/None.h"
11 #include "llvm/ADT/Optional.h"
12 #include "llvm/ADT/SmallSet.h"
13 #include "llvm/ADT/StringRef.h"
14 #include "llvm/BinaryFormat/Dwarf.h"
15 #include "llvm/DebugInfo/DWARF/DWARFAbbreviationDeclaration.h"
16 #include "llvm/DebugInfo/DWARF/DWARFContext.h"
17 #include "llvm/DebugInfo/DWARF/DWARFDebugRangeList.h"
18 #include "llvm/DebugInfo/DWARF/DWARFExpression.h"
19 #include "llvm/DebugInfo/DWARF/DWARFFormValue.h"
20 #include "llvm/DebugInfo/DWARF/DWARFUnit.h"
21 #include "llvm/Object/ObjectFile.h"
22 #include "llvm/Support/DataExtractor.h"
23 #include "llvm/Support/Format.h"
24 #include "llvm/Support/FormatVariadic.h"
25 #include "llvm/Support/MathExtras.h"
26 #include "llvm/Support/WithColor.h"
27 #include "llvm/Support/raw_ostream.h"
36 using namespace dwarf;
37 using namespace object;
39 static void dumpApplePropertyAttribute(raw_ostream &OS, uint64_t Val) {
42 uint64_t Shift = countTrailingZeros(Val);
43 assert(Shift < 64 && "undefined behavior");
44 uint64_t Bit = 1ULL << Shift;
45 auto PropName = ApplePropertyString(Bit);
46 if (!PropName.empty())
49 OS << format("DW_APPLE_PROPERTY_0x%" PRIx64, Bit);
57 static void dumpRanges(const DWARFObject &Obj, raw_ostream &OS,
58 const DWARFAddressRangesVector &Ranges,
59 unsigned AddressSize, unsigned Indent,
60 const DIDumpOptions &DumpOpts) {
61 if (!DumpOpts.ShowAddresses)
64 ArrayRef<SectionName> SectionNames;
66 SectionNames = Obj.getSectionNames();
68 for (const DWARFAddressRange &R : Ranges) {
71 R.dump(OS, AddressSize);
73 DWARFFormValue::dumpAddressSection(Obj, OS, DumpOpts, R.SectionIndex);
77 static void dumpLocation(raw_ostream &OS, DWARFFormValue &FormValue,
78 DWARFUnit *U, unsigned Indent,
79 DIDumpOptions DumpOpts) {
80 DWARFContext &Ctx = U->getContext();
81 const DWARFObject &Obj = Ctx.getDWARFObj();
82 const MCRegisterInfo *MRI = Ctx.getRegisterInfo();
83 if (FormValue.isFormClass(DWARFFormValue::FC_Block) ||
84 FormValue.isFormClass(DWARFFormValue::FC_Exprloc)) {
85 ArrayRef<uint8_t> Expr = *FormValue.getAsBlock();
86 DataExtractor Data(StringRef((const char *)Expr.data(), Expr.size()),
87 Ctx.isLittleEndian(), 0);
88 DWARFExpression(Data, U->getVersion(), U->getAddressByteSize())
93 FormValue.dump(OS, DumpOpts);
94 if (FormValue.isFormClass(DWARFFormValue::FC_SectionOffset)) {
95 uint32_t Offset = *FormValue.getAsSectionOffset();
96 if (!U->isDWOUnit() && !U->getLocSection()->Data.empty()) {
97 DWARFDebugLoc DebugLoc;
98 DWARFDataExtractor Data(Obj, *U->getLocSection(), Ctx.isLittleEndian(),
99 Obj.getAddressSize());
100 auto LL = DebugLoc.parseOneLocationList(Data, &Offset);
102 uint64_t BaseAddr = 0;
103 if (Optional<object::SectionedAddress> BA = U->getBaseAddress())
104 BaseAddr = BA->Address;
105 LL->dump(OS, Ctx.isLittleEndian(), Obj.getAddressSize(), MRI, U,
108 OS << "error extracting location list.";
112 bool UseLocLists = !U->isDWOUnit();
113 StringRef LoclistsSectionData =
114 UseLocLists ? Obj.getLoclistsSection().Data : U->getLocSectionData();
116 if (!LoclistsSectionData.empty()) {
117 DataExtractor Data(LoclistsSectionData, Ctx.isLittleEndian(),
118 Obj.getAddressSize());
120 // Old-style location list were used in DWARF v4 (.debug_loc.dwo section).
121 // Modern locations list (.debug_loclists) are used starting from v5.
122 // Ideally we should take the version from the .debug_loclists section
123 // header, but using CU's version for simplicity.
124 auto LL = DWARFDebugLoclists::parseOneLocationList(
125 Data, &Offset, UseLocLists ? U->getVersion() : 4);
127 uint64_t BaseAddr = 0;
128 if (Optional<object::SectionedAddress> BA = U->getBaseAddress())
129 BaseAddr = BA->Address;
132 LL->dump(OS, BaseAddr, Ctx.isLittleEndian(), Obj.getAddressSize(), MRI,
135 OS << "error extracting location list.";
140 /// Dump the name encoded in the type tag.
141 static void dumpTypeTagName(raw_ostream &OS, dwarf::Tag T) {
142 StringRef TagStr = TagString(T);
143 if (!TagStr.startswith("DW_TAG_") || !TagStr.endswith("_type"))
145 OS << TagStr.substr(7, TagStr.size() - 12) << " ";
148 static void dumpArrayType(raw_ostream &OS, const DWARFDie &D) {
149 Optional<uint64_t> Bound;
150 for (const DWARFDie &C : D.children())
151 if (C.getTag() == DW_TAG_subrange_type) {
152 Optional<uint64_t> LB;
153 Optional<uint64_t> Count;
154 Optional<uint64_t> UB;
155 Optional<unsigned> DefaultLB;
156 if (Optional<DWARFFormValue> L = C.find(DW_AT_lower_bound))
157 LB = L->getAsUnsignedConstant();
158 if (Optional<DWARFFormValue> CountV = C.find(DW_AT_count))
159 Count = CountV->getAsUnsignedConstant();
160 if (Optional<DWARFFormValue> UpperV = C.find(DW_AT_upper_bound))
161 UB = UpperV->getAsUnsignedConstant();
162 if (Optional<DWARFFormValue> LV =
163 D.getDwarfUnit()->getUnitDIE().find(DW_AT_language))
164 if (Optional<uint64_t> LC = LV->getAsUnsignedConstant())
166 LanguageLowerBound(static_cast<dwarf::SourceLanguage>(*LC))))
167 if (LB && *LB == *DefaultLB)
169 if (!LB && !Count && !UB)
171 else if (!LB && (Count || UB) && DefaultLB)
172 OS << '[' << (Count ? *Count : *UB - *DefaultLB + 1) << ']';
184 OS << "? + " << *Count;
194 /// Recursively dump the DIE type name when applicable.
195 static void dumpTypeName(raw_ostream &OS, const DWARFDie &D) {
199 if (const char *Name = D.getName(DINameKind::LinkageName)) {
204 // FIXME: We should have pretty printers per language. Currently we print
205 // everything as if it was C++ and fall back to the TAG type name.
206 const dwarf::Tag T = D.getTag();
208 case DW_TAG_array_type:
209 case DW_TAG_pointer_type:
210 case DW_TAG_ptr_to_member_type:
211 case DW_TAG_reference_type:
212 case DW_TAG_rvalue_reference_type:
213 case DW_TAG_subroutine_type:
216 dumpTypeTagName(OS, T);
219 // Follow the DW_AT_type if possible.
220 DWARFDie TypeDie = D.getAttributeValueAsReferencedDie(DW_AT_type);
221 dumpTypeName(OS, TypeDie);
224 case DW_TAG_subroutine_type: {
229 for (const DWARFDie &C : D.children()) {
230 if (C.getTag() == DW_TAG_formal_parameter) {
234 dumpTypeName(OS, C.getAttributeValueAsReferencedDie(DW_AT_type));
240 case DW_TAG_array_type: {
241 dumpArrayType(OS, D);
244 case DW_TAG_pointer_type:
247 case DW_TAG_ptr_to_member_type:
249 D.getAttributeValueAsReferencedDie(DW_AT_containing_type)) {
250 dumpTypeName(OS << ' ', Cont);
255 case DW_TAG_reference_type:
258 case DW_TAG_rvalue_reference_type:
266 static void dumpAttribute(raw_ostream &OS, const DWARFDie &Die,
267 uint32_t *OffsetPtr, dwarf::Attribute Attr,
268 dwarf::Form Form, unsigned Indent,
269 DIDumpOptions DumpOpts) {
272 const char BaseIndent[] = " ";
274 OS.indent(Indent + 2);
275 WithColor(OS, HighlightColor::Attribute) << formatv("{0}", Attr);
277 if (DumpOpts.Verbose || DumpOpts.ShowForm)
278 OS << formatv(" [{0}]", Form);
280 DWARFUnit *U = Die.getDwarfUnit();
281 DWARFFormValue FormValue = DWARFFormValue::createFromUnit(Form, U, OffsetPtr);
287 auto Color = HighlightColor::Enumerator;
288 if (Attr == DW_AT_decl_file || Attr == DW_AT_call_file) {
289 Color = HighlightColor::String;
290 if (const auto *LT = U->getContext().getLineTableForUnit(U))
291 if (LT->getFileNameByIndex(
292 FormValue.getAsUnsignedConstant().getValue(),
293 U->getCompilationDir(),
294 DILineInfoSpecifier::FileLineInfoKind::AbsoluteFilePath, File)) {
295 File = '"' + File + '"';
298 } else if (Optional<uint64_t> Val = FormValue.getAsUnsignedConstant())
299 Name = AttributeValueString(Attr, *Val);
302 WithColor(OS, Color) << Name;
303 else if (Attr == DW_AT_decl_line || Attr == DW_AT_call_line)
304 OS << *FormValue.getAsUnsignedConstant();
305 else if (Attr == DW_AT_high_pc && !DumpOpts.ShowForm && !DumpOpts.Verbose &&
306 FormValue.getAsUnsignedConstant()) {
307 if (DumpOpts.ShowAddresses) {
308 // Print the actual address rather than the offset.
309 uint64_t LowPC, HighPC, Index;
310 if (Die.getLowAndHighPC(LowPC, HighPC, Index))
311 OS << format("0x%016" PRIx64, HighPC);
313 FormValue.dump(OS, DumpOpts);
315 } else if (DWARFAttribute::mayHaveLocationDescription(Attr))
316 dumpLocation(OS, FormValue, U, sizeof(BaseIndent) + Indent + 4, DumpOpts);
318 FormValue.dump(OS, DumpOpts);
320 std::string Space = DumpOpts.ShowAddresses ? " " : "";
322 // We have dumped the attribute raw value. For some attributes
323 // having both the raw value and the pretty-printed value is
324 // interesting. These attributes are handled below.
325 if (Attr == DW_AT_specification || Attr == DW_AT_abstract_origin) {
326 if (const char *Name =
327 Die.getAttributeValueAsReferencedDie(FormValue).getName(
328 DINameKind::LinkageName))
329 OS << Space << "\"" << Name << '\"';
330 } else if (Attr == DW_AT_type) {
332 dumpTypeName(OS, Die.getAttributeValueAsReferencedDie(FormValue));
334 } else if (Attr == DW_AT_APPLE_property_attribute) {
335 if (Optional<uint64_t> OptVal = FormValue.getAsUnsignedConstant())
336 dumpApplePropertyAttribute(OS, *OptVal);
337 } else if (Attr == DW_AT_ranges) {
338 const DWARFObject &Obj = Die.getDwarfUnit()->getContext().getDWARFObj();
339 // For DW_FORM_rnglistx we need to dump the offset separately, since
340 // we have only dumped the index so far.
341 if (FormValue.getForm() == DW_FORM_rnglistx)
342 if (auto RangeListOffset =
343 U->getRnglistOffset(*FormValue.getAsSectionOffset())) {
344 DWARFFormValue FV = DWARFFormValue::createFromUValue(
345 dwarf::DW_FORM_sec_offset, *RangeListOffset);
346 FV.dump(OS, DumpOpts);
348 if (auto RangesOrError = Die.getAddressRanges())
349 dumpRanges(Obj, OS, RangesOrError.get(), U->getAddressByteSize(),
350 sizeof(BaseIndent) + Indent + 4, DumpOpts);
352 WithColor::error() << "decoding address ranges: "
353 << toString(RangesOrError.takeError()) << '\n';
359 bool DWARFDie::isSubprogramDIE() const { return getTag() == DW_TAG_subprogram; }
361 bool DWARFDie::isSubroutineDIE() const {
363 return Tag == DW_TAG_subprogram || Tag == DW_TAG_inlined_subroutine;
366 Optional<DWARFFormValue> DWARFDie::find(dwarf::Attribute Attr) const {
369 auto AbbrevDecl = getAbbreviationDeclarationPtr();
371 return AbbrevDecl->getAttributeValue(getOffset(), Attr, *U);
375 Optional<DWARFFormValue>
376 DWARFDie::find(ArrayRef<dwarf::Attribute> Attrs) const {
379 auto AbbrevDecl = getAbbreviationDeclarationPtr();
381 for (auto Attr : Attrs) {
382 if (auto Value = AbbrevDecl->getAttributeValue(getOffset(), Attr, *U))
389 Optional<DWARFFormValue>
390 DWARFDie::findRecursively(ArrayRef<dwarf::Attribute> Attrs) const {
391 std::vector<DWARFDie> Worklist;
392 Worklist.push_back(*this);
394 // Keep track if DIEs already seen to prevent infinite recursion.
395 // Empirically we rarely see a depth of more than 3 when dealing with valid
396 // DWARF. This corresponds to following the DW_AT_abstract_origin and
397 // DW_AT_specification just once.
398 SmallSet<DWARFDie, 3> Seen;
401 while (!Worklist.empty()) {
402 DWARFDie Die = Worklist.back();
408 if (auto Value = Die.find(Attrs))
411 if (auto D = Die.getAttributeValueAsReferencedDie(DW_AT_abstract_origin))
412 if (Seen.insert(D).second)
413 Worklist.push_back(D);
415 if (auto D = Die.getAttributeValueAsReferencedDie(DW_AT_specification))
416 if (Seen.insert(D).second)
417 Worklist.push_back(D);
424 DWARFDie::getAttributeValueAsReferencedDie(dwarf::Attribute Attr) const {
425 if (Optional<DWARFFormValue> F = find(Attr))
426 return getAttributeValueAsReferencedDie(*F);
431 DWARFDie::getAttributeValueAsReferencedDie(const DWARFFormValue &V) const {
432 if (auto SpecRef = V.getAsRelativeReference()) {
434 return SpecRef->Unit->getDIEForOffset(SpecRef->Unit->getOffset() + SpecRef->Offset);
435 if (auto SpecUnit = U->getUnitVector().getUnitForOffset(SpecRef->Offset))
436 return SpecUnit->getDIEForOffset(SpecRef->Offset);
441 Optional<uint64_t> DWARFDie::getRangesBaseAttribute() const {
442 return toSectionOffset(find({DW_AT_rnglists_base, DW_AT_GNU_ranges_base}));
445 Optional<uint64_t> DWARFDie::getHighPC(uint64_t LowPC) const {
446 if (auto FormValue = find(DW_AT_high_pc)) {
447 if (auto Address = FormValue->getAsAddress()) {
448 // High PC is an address.
451 if (auto Offset = FormValue->getAsUnsignedConstant()) {
452 // High PC is an offset from LowPC.
453 return LowPC + *Offset;
459 bool DWARFDie::getLowAndHighPC(uint64_t &LowPC, uint64_t &HighPC,
460 uint64_t &SectionIndex) const {
461 auto F = find(DW_AT_low_pc);
462 auto LowPcAddr = toSectionedAddress(F);
465 if (auto HighPcAddr = getHighPC(LowPcAddr->Address)) {
466 LowPC = LowPcAddr->Address;
467 HighPC = *HighPcAddr;
468 SectionIndex = LowPcAddr->SectionIndex;
474 Expected<DWARFAddressRangesVector> DWARFDie::getAddressRanges() const {
476 return DWARFAddressRangesVector();
477 // Single range specified by low/high PC.
478 uint64_t LowPC, HighPC, Index;
479 if (getLowAndHighPC(LowPC, HighPC, Index))
480 return DWARFAddressRangesVector{{LowPC, HighPC, Index}};
482 Optional<DWARFFormValue> Value = find(DW_AT_ranges);
484 if (Value->getForm() == DW_FORM_rnglistx)
485 return U->findRnglistFromIndex(*Value->getAsSectionOffset());
486 return U->findRnglistFromOffset(*Value->getAsSectionOffset());
488 return DWARFAddressRangesVector();
491 void DWARFDie::collectChildrenAddressRanges(
492 DWARFAddressRangesVector &Ranges) const {
495 if (isSubprogramDIE()) {
496 if (auto DIERangesOrError = getAddressRanges())
497 Ranges.insert(Ranges.end(), DIERangesOrError.get().begin(),
498 DIERangesOrError.get().end());
500 llvm::consumeError(DIERangesOrError.takeError());
503 for (auto Child : children())
504 Child.collectChildrenAddressRanges(Ranges);
507 bool DWARFDie::addressRangeContainsAddress(const uint64_t Address) const {
508 auto RangesOrError = getAddressRanges();
509 if (!RangesOrError) {
510 llvm::consumeError(RangesOrError.takeError());
514 for (const auto &R : RangesOrError.get())
515 if (R.LowPC <= Address && Address < R.HighPC)
520 const char *DWARFDie::getSubroutineName(DINameKind Kind) const {
521 if (!isSubroutineDIE())
523 return getName(Kind);
526 const char *DWARFDie::getName(DINameKind Kind) const {
527 if (!isValid() || Kind == DINameKind::None)
529 // Try to get mangled name only if it was asked for.
530 if (Kind == DINameKind::LinkageName) {
531 if (auto Name = dwarf::toString(
532 findRecursively({DW_AT_MIPS_linkage_name, DW_AT_linkage_name}),
536 if (auto Name = dwarf::toString(findRecursively(DW_AT_name), nullptr))
541 uint64_t DWARFDie::getDeclLine() const {
542 return toUnsigned(findRecursively(DW_AT_decl_line), 0);
545 void DWARFDie::getCallerFrame(uint32_t &CallFile, uint32_t &CallLine,
546 uint32_t &CallColumn,
547 uint32_t &CallDiscriminator) const {
548 CallFile = toUnsigned(find(DW_AT_call_file), 0);
549 CallLine = toUnsigned(find(DW_AT_call_line), 0);
550 CallColumn = toUnsigned(find(DW_AT_call_column), 0);
551 CallDiscriminator = toUnsigned(find(DW_AT_GNU_discriminator), 0);
554 /// Helper to dump a DIE with all of its parents, but no siblings.
555 static unsigned dumpParentChain(DWARFDie Die, raw_ostream &OS, unsigned Indent,
556 DIDumpOptions DumpOpts, unsigned Depth = 0) {
559 if (DumpOpts.ParentRecurseDepth > 0 && Depth >= DumpOpts.ParentRecurseDepth)
561 Indent = dumpParentChain(Die.getParent(), OS, Indent, DumpOpts, Depth + 1);
562 Die.dump(OS, Indent, DumpOpts);
566 void DWARFDie::dump(raw_ostream &OS, unsigned Indent,
567 DIDumpOptions DumpOpts) const {
570 DWARFDataExtractor debug_info_data = U->getDebugInfoExtractor();
571 const uint32_t Offset = getOffset();
572 uint32_t offset = Offset;
573 if (DumpOpts.ShowParents) {
574 DIDumpOptions ParentDumpOpts = DumpOpts;
575 ParentDumpOpts.ShowParents = false;
576 ParentDumpOpts.ShowChildren = false;
577 Indent = dumpParentChain(getParent(), OS, Indent, ParentDumpOpts);
580 if (debug_info_data.isValidOffset(offset)) {
581 uint32_t abbrCode = debug_info_data.getULEB128(&offset);
582 if (DumpOpts.ShowAddresses)
583 WithColor(OS, HighlightColor::Address).get()
584 << format("\n0x%8.8x: ", Offset);
587 auto AbbrevDecl = getAbbreviationDeclarationPtr();
589 WithColor(OS, HighlightColor::Tag).get().indent(Indent)
590 << formatv("{0}", getTag());
591 if (DumpOpts.Verbose)
592 OS << format(" [%u] %c", abbrCode,
593 AbbrevDecl->hasChildren() ? '*' : ' ');
596 // Dump all data in the DIE for the attributes.
597 for (const auto &AttrSpec : AbbrevDecl->attributes()) {
598 if (AttrSpec.Form == DW_FORM_implicit_const) {
599 // We are dumping .debug_info section ,
600 // implicit_const attribute values are not really stored here,
601 // but in .debug_abbrev section. So we just skip such attrs.
604 dumpAttribute(OS, *this, &offset, AttrSpec.Attr, AttrSpec.Form,
608 DWARFDie child = getFirstChild();
609 if (DumpOpts.ShowChildren && DumpOpts.ChildRecurseDepth > 0 && child) {
610 DumpOpts.ChildRecurseDepth--;
611 DIDumpOptions ChildDumpOpts = DumpOpts;
612 ChildDumpOpts.ShowParents = false;
614 child.dump(OS, Indent + 2, ChildDumpOpts);
615 child = child.getSibling();
619 OS << "Abbreviation code not found in 'debug_abbrev' class for code: "
623 OS.indent(Indent) << "NULL\n";
628 LLVM_DUMP_METHOD void DWARFDie::dump() const { dump(llvm::errs(), 0); }
630 DWARFDie DWARFDie::getParent() const {
632 return U->getParent(Die);
636 DWARFDie DWARFDie::getSibling() const {
638 return U->getSibling(Die);
642 DWARFDie DWARFDie::getPreviousSibling() const {
644 return U->getPreviousSibling(Die);
648 DWARFDie DWARFDie::getFirstChild() const {
650 return U->getFirstChild(Die);
654 DWARFDie DWARFDie::getLastChild() const {
656 return U->getLastChild(Die);
660 iterator_range<DWARFDie::attribute_iterator> DWARFDie::attributes() const {
661 return make_range(attribute_iterator(*this, false),
662 attribute_iterator(*this, true));
665 DWARFDie::attribute_iterator::attribute_iterator(DWARFDie D, bool End)
667 auto AbbrDecl = Die.getAbbreviationDeclarationPtr();
668 assert(AbbrDecl && "Must have abbreviation declaration");
670 // This is the end iterator so we set the index to the attribute count.
671 Index = AbbrDecl->getNumAttributes();
673 // This is the begin iterator so we extract the value for this->Index.
674 AttrValue.Offset = D.getOffset() + AbbrDecl->getCodeByteSize();
675 updateForIndex(*AbbrDecl, 0);
679 void DWARFDie::attribute_iterator::updateForIndex(
680 const DWARFAbbreviationDeclaration &AbbrDecl, uint32_t I) {
682 // AbbrDecl must be valid before calling this function.
683 auto NumAttrs = AbbrDecl.getNumAttributes();
684 if (Index < NumAttrs) {
685 AttrValue.Attr = AbbrDecl.getAttrByIndex(Index);
686 // Add the previous byte size of any previous attribute value.
687 AttrValue.Offset += AttrValue.ByteSize;
688 uint32_t ParseOffset = AttrValue.Offset;
689 auto U = Die.getDwarfUnit();
690 assert(U && "Die must have valid DWARF unit");
691 AttrValue.Value = DWARFFormValue::createFromUnit(
692 AbbrDecl.getFormByIndex(Index), U, &ParseOffset);
693 AttrValue.ByteSize = ParseOffset - AttrValue.Offset;
695 assert(Index == NumAttrs && "Indexes should be [0, NumAttrs) only");
700 DWARFDie::attribute_iterator &DWARFDie::attribute_iterator::operator++() {
701 if (auto AbbrDecl = Die.getAbbreviationDeclarationPtr())
702 updateForIndex(*AbbrDecl, Index + 1);
706 bool DWARFAttribute::mayHaveLocationDescription(dwarf::Attribute Attr) {
708 // From the DWARF v5 specification.
710 case DW_AT_byte_size:
712 case DW_AT_string_length:
713 case DW_AT_lower_bound:
714 case DW_AT_return_addr:
715 case DW_AT_bit_stride:
716 case DW_AT_upper_bound:
718 case DW_AT_data_member_location:
719 case DW_AT_frame_base:
721 case DW_AT_static_link:
722 case DW_AT_use_location:
723 case DW_AT_vtable_elem_location:
724 case DW_AT_allocated:
725 case DW_AT_associated:
726 case DW_AT_byte_stride:
728 case DW_AT_call_value:
729 case DW_AT_call_origin:
730 case DW_AT_call_target:
731 case DW_AT_call_target_clobbered:
732 case DW_AT_call_data_location:
733 case DW_AT_call_data_value:
735 case DW_AT_GNU_call_site_value: