/// addType - Add type into Tys.
bool DebugInfoFinder::addType(DIType DT) {
if (DT.isNull())
return false;
if (!NodesSeen.insert(DT.getNode()))
return false;
TYs.push_back(DT.getNode());
return true;
}
/// getOriginalTypeSize - If this type is derived from a base type then
/// return base type size.
uint64_t DIDerivedType::getOriginalTypeSize() const {
unsigned Tag = getTag();
if (Tag == dwarf::DW_TAG_member || Tag == dwarf::DW_TAG_typedef ||
Tag == dwarf::DW_TAG_const_type || Tag == dwarf::DW_TAG_volatile_type ||
Tag == dwarf::DW_TAG_restrict_type) {
DIType BaseType = getTypeDerivedFrom();
// If this type is not derived from any type then take conservative
// approach.
if (BaseType.isNull())
return getSizeInBits();
if (BaseType.isDerivedType())
return DIDerivedType(BaseType.getNode()).getOriginalTypeSize();
else
return BaseType.getSizeInBits();
}
return getSizeInBits();
}
/// processType - Process DIType.
void DebugInfoFinder::processType(DIType DT) {
if (!addType(DT))
return;
addCompileUnit(DT.getCompileUnit());
if (DT.isCompositeType()) {
DICompositeType DCT(DT.getNode());
processType(DCT.getTypeDerivedFrom());
DIArray DA = DCT.getTypeArray();
if (!DA.isNull())
for (unsigned i = 0, e = DA.getNumElements(); i != e; ++i) {
DIDescriptor D = DA.getElement(i);
DIType TypeE = DIType(D.getNode());
if (!TypeE.isNull())
processType(TypeE);
else
processSubprogram(DISubprogram(D.getNode()));
}
} else if (DT.isDerivedType()) {
DIDerivedType DDT(DT.getNode());
if (!DDT.isNull())
processType(DDT.getTypeDerivedFrom());
}
}
