void DWARFTypeUnit::dump(raw_ostream &OS, bool SummarizeTypes) {
DWARFDie TD = getDIEForOffset(TypeOffset + getOffset());
const char *Name = TD.getName(DINameKind::ShortName);
if (SummarizeTypes) {
OS << "name = '" << Name << "'"
<< " type_signature = " << format("0x%16" PRIx64, TypeHash)
<< " length = " << format("0x%08x", getLength()) << '\n';
return;
}
OS << format("0x%08x", getOffset()) << ": Type Unit:"
<< " length = " << format("0x%08x", getLength())
<< " version = " << format("0x%04x", getVersion())
<< " abbr_offset = " << format("0x%04x", getAbbreviations()->getOffset())
<< " addr_size = " << format("0x%02x", getAddressByteSize())
<< " name = '" << Name << "'"
<< " type_signature = " << format("0x%16" PRIx64, TypeHash)
<< " type_offset = " << format("0x%04x", TypeOffset)
<< " (next unit at " << format("0x%08x", getNextUnitOffset()) << ")\n";
if (DWARFDie TU = getUnitDIE(false))
TU.dump(OS, -1U);
else
OS << "<type unit can't be parsed!>\n\n";
}
/// Print only DIEs that have a certain name.
static void filterByName(const StringSet<> &Names,
DWARFContext::cu_iterator_range CUs, raw_ostream &OS) {
for (const auto &CU : CUs)
for (const auto &Entry : CU->dies()) {
DWARFDie Die = {CU.get(), &Entry};
if (const char *NamePtr = Die.getName(DINameKind::ShortName)) {
std::string Name =
(IgnoreCase && !UseRegex) ? StringRef(NamePtr).lower() : NamePtr;
// Match regular expression.
if (UseRegex)
for (auto Pattern : Names.keys()) {
Regex RE(Pattern, IgnoreCase ? Regex::IgnoreCase : Regex::NoFlags);
std::string Error;
if (!RE.isValid(Error)) {
errs() << "error in regular expression: " << Error << "\n";
exit(1);
}
if (RE.match(Name))
Die.dump(OS, 0, getDumpOpts());
}
// Match full text.
else if (Names.count(Name))
Die.dump(OS, 0, getDumpOpts());
}
}
}
static SmallVector<StringRef, 2> getNames(const DWARFDie &DIE,
bool IncludeLinkageName = true) {
SmallVector<StringRef, 2> Result;
if (const char *Str = DIE.getName(DINameKind::ShortName))
Result.emplace_back(Str);
else if (DIE.getTag() == dwarf::DW_TAG_namespace)
Result.emplace_back("(anonymous namespace)");
if (IncludeLinkageName) {
if (const char *Str = DIE.getName(DINameKind::LinkageName)) {
if (Result.empty() || Result[0] != Str)
Result.emplace_back(Str);
}
}
return Result;
}
/// Recursively dump the DIE type name when applicable.
static void dumpTypeName(raw_ostream &OS, const DWARFDie &Die) {
DWARFDie D = Die.getAttributeValueAsReferencedDie(DW_AT_type);
if (!D.isValid())
return;
if (const char *Name = D.getName(DINameKind::LinkageName)) {
OS << Name;
return;
}
// FIXME: We should have pretty printers per language. Currently we print
// everything as if it was C++ and fall back to the TAG type name.
const dwarf::Tag T = D.getTag();
switch (T) {
case DW_TAG_array_type:
case DW_TAG_pointer_type:
case DW_TAG_ptr_to_member_type:
case DW_TAG_reference_type:
case DW_TAG_rvalue_reference_type:
break;
default:
dumpTypeTagName(OS, T);
}
// Follow the DW_AT_type if possible.
dumpTypeName(OS, D);
switch (T) {
case DW_TAG_array_type:
OS << "[]";
break;
case DW_TAG_pointer_type:
OS << '*';
break;
case DW_TAG_ptr_to_member_type:
OS << '*';
break;
case DW_TAG_reference_type:
OS << '&';
break;
case DW_TAG_rvalue_reference_type:
OS << "&&";
break;
default:
break;
}
}
/// Recursively dump the DIE type name when applicable.
static void dumpTypeName(raw_ostream &OS, const DWARFDie &D) {
if (!D.isValid())
return;
if (const char *Name = D.getName(DINameKind::LinkageName)) {
OS << Name;
return;
}
// FIXME: We should have pretty printers per language. Currently we print
// everything as if it was C++ and fall back to the TAG type name.
const dwarf::Tag T = D.getTag();
switch (T) {
case DW_TAG_array_type:
case DW_TAG_pointer_type:
case DW_TAG_ptr_to_member_type:
case DW_TAG_reference_type:
case DW_TAG_rvalue_reference_type:
case DW_TAG_subroutine_type:
break;
default:
dumpTypeTagName(OS, T);
}
// Follow the DW_AT_type if possible.
DWARFDie TypeDie = D.getAttributeValueAsReferencedDie(DW_AT_type);
dumpTypeName(OS, TypeDie);
switch (T) {
case DW_TAG_subroutine_type: {
if (!TypeDie)
OS << "void";
OS << '(';
bool First = true;
for (const DWARFDie &C : D.children()) {
if (C.getTag() == DW_TAG_formal_parameter) {
if (!First)
OS << ", ";
First = false;
dumpTypeName(OS, C.getAttributeValueAsReferencedDie(DW_AT_type));
}
}
OS << ')';
break;
}
case DW_TAG_array_type: {
dumpArrayType(OS, D);
break;
}
case DW_TAG_pointer_type:
OS << '*';
break;
case DW_TAG_ptr_to_member_type:
if (DWARFDie Cont =
D.getAttributeValueAsReferencedDie(DW_AT_containing_type)) {
dumpTypeName(OS << ' ', Cont);
OS << "::";
}
OS << '*';
break;
case DW_TAG_reference_type:
OS << '&';
break;
case DW_TAG_rvalue_reference_type:
OS << "&&";
break;
default:
break;
}
}
