/// addCompileUnit - Add compile unit into CUs.
bool DebugInfoFinder::addCompileUnit(DICompileUnit CU) {
if (CU.isNull())
return false;
if (!NodesSeen.insert(CU.getNode()))
return false;
CUs.push_back(CU.getNode());
return true;
}
/// CreateGlobalVariable - Create a new descriptor for the specified global.
DIGlobalVariable
DIFactory::CreateGlobalVariable(DIDescriptor Context, const char * Name,
const char * DisplayName,
const char * LinkageName,
DICompileUnit CompileUnit,
unsigned LineNo, DIType Type,bool isLocalToUnit,
bool isDefinition, llvm::GlobalVariable *Val) {
Value *Elts[] = {
GetTagConstant(dwarf::DW_TAG_variable),
llvm::Constant::getNullValue(Type::getInt32Ty(VMContext)),
Context.getNode(),
MDString::get(VMContext, Name),
MDString::get(VMContext, DisplayName),
MDString::get(VMContext, LinkageName),
CompileUnit.getNode(),
ConstantInt::get(Type::getInt32Ty(VMContext), LineNo),
Type.getNode(),
ConstantInt::get(Type::getInt1Ty(VMContext), isLocalToUnit),
ConstantInt::get(Type::getInt1Ty(VMContext), isDefinition),
Val
};
Value *const *Vs = &Elts[0];
MDNode *Node = MDNode::get(VMContext,Vs, 12);
// Create a named metadata so that we do not lose this mdnode.
NamedMDNode *NMD = M.getOrInsertNamedMetadata("llvm.dbg.gv");
NMD->addElement(Node);
return DIGlobalVariable(Node);
}
/// CreateCompositeType - Create a composite type like array, struct, etc.
DICompositeType DIFactory::CreateCompositeTypeEx(unsigned Tag,
DIDescriptor Context,
const char * Name,
DICompileUnit CompileUnit,
unsigned LineNumber,
Constant *SizeInBits,
Constant *AlignInBits,
Constant *OffsetInBits,
unsigned Flags,
DIType DerivedFrom,
DIArray Elements,
unsigned RuntimeLang) {
Value *Elts[] = {
GetTagConstant(Tag),
Context.getNode(),
MDString::get(VMContext, Name),
CompileUnit.getNode(),
ConstantInt::get(Type::getInt32Ty(VMContext), LineNumber),
SizeInBits,
AlignInBits,
OffsetInBits,
ConstantInt::get(Type::getInt32Ty(VMContext), Flags),
DerivedFrom.getNode(),
Elements.getNode(),
ConstantInt::get(Type::getInt32Ty(VMContext), RuntimeLang)
};
return DICompositeType(MDNode::get(VMContext, &Elts[0], 12));
}
/// CreateVariable - Create a new descriptor for the specified variable.
DIVariable DIFactory::CreateVariable(unsigned Tag, DIDescriptor Context,
const char * Name,
DICompileUnit CompileUnit, unsigned LineNo,
DIType Type) {
Value *Elts[] = {
GetTagConstant(Tag),
Context.getNode(),
MDString::get(VMContext, Name),
CompileUnit.getNode(),
ConstantInt::get(Type::getInt32Ty(VMContext), LineNo),
Type.getNode(),
};
return DIVariable(MDNode::get(VMContext, &Elts[0], 6));
}
/// CreateComplexVariable - Create a new descriptor for the specified variable
/// which has a complex address expression for its address.
DIVariable DIFactory::CreateComplexVariable(unsigned Tag, DIDescriptor Context,
const std::string &Name,
DICompileUnit CompileUnit,
unsigned LineNo,
DIType Type, SmallVector<Value *, 9> &addr) {
SmallVector<Value *, 9> Elts;
Elts.push_back(GetTagConstant(Tag));
Elts.push_back(Context.getNode());
Elts.push_back(MDString::get(VMContext, Name));
Elts.push_back(CompileUnit.getNode());
Elts.push_back(ConstantInt::get(Type::getInt32Ty(VMContext), LineNo));
Elts.push_back(Type.getNode());
Elts.insert(Elts.end(), addr.begin(), addr.end());
return DIVariable(MDNode::get(VMContext, &Elts[0], 6+addr.size()));
}
/// CreateBasicType - Create a basic type like int, float, etc.
DIBasicType DIFactory::CreateBasicTypeEx(DIDescriptor Context,
const char * Name,
DICompileUnit CompileUnit,
unsigned LineNumber,
Constant *SizeInBits,
Constant *AlignInBits,
Constant *OffsetInBits, unsigned Flags,
unsigned Encoding) {
Value *Elts[] = {
GetTagConstant(dwarf::DW_TAG_base_type),
Context.getNode(),
MDString::get(VMContext, Name),
CompileUnit.getNode(),
ConstantInt::get(Type::getInt32Ty(VMContext), LineNumber),
SizeInBits,
AlignInBits,
OffsetInBits,
ConstantInt::get(Type::getInt32Ty(VMContext), Flags),
ConstantInt::get(Type::getInt32Ty(VMContext), Encoding)
};
return DIBasicType(MDNode::get(VMContext, &Elts[0], 10));
}
/// CreateSubprogram - Create a new descriptor for the specified subprogram.
/// See comments in DISubprogram for descriptions of these fields. This
/// method does not unique the generated descriptors.
DISubprogram DIFactory::CreateSubprogram(DIDescriptor Context,
const char * Name,
const char * DisplayName,
const char * LinkageName,
DICompileUnit CompileUnit,
unsigned LineNo, DIType Type,
bool isLocalToUnit,
bool isDefinition) {
Value *Elts[] = {
GetTagConstant(dwarf::DW_TAG_subprogram),
llvm::Constant::getNullValue(Type::getInt32Ty(VMContext)),
Context.getNode(),
MDString::get(VMContext, Name),
MDString::get(VMContext, DisplayName),
MDString::get(VMContext, LinkageName),
CompileUnit.getNode(),
ConstantInt::get(Type::getInt32Ty(VMContext), LineNo),
Type.getNode(),
ConstantInt::get(Type::getInt1Ty(VMContext), isLocalToUnit),
ConstantInt::get(Type::getInt1Ty(VMContext), isDefinition)
};
return DISubprogram(MDNode::get(VMContext, &Elts[0], 11));
}
/// CreateDerivedType - Create a derived type like const qualified type,
/// pointer, typedef, etc.
DIDerivedType DIFactory::CreateDerivedType(unsigned Tag,
DIDescriptor Context,
const char * Name,
DICompileUnit CompileUnit,
unsigned LineNumber,
uint64_t SizeInBits,
uint64_t AlignInBits,
uint64_t OffsetInBits,
unsigned Flags,
DIType DerivedFrom) {
Value *Elts[] = {
GetTagConstant(Tag),
Context.getNode(),
MDString::get(VMContext, Name),
CompileUnit.getNode(),
ConstantInt::get(Type::getInt32Ty(VMContext), LineNumber),
ConstantInt::get(Type::getInt64Ty(VMContext), SizeInBits),
ConstantInt::get(Type::getInt64Ty(VMContext), AlignInBits),
ConstantInt::get(Type::getInt64Ty(VMContext), OffsetInBits),
ConstantInt::get(Type::getInt32Ty(VMContext), Flags),
DerivedFrom.getNode(),
};
return DIDerivedType(MDNode::get(VMContext, &Elts[0], 10));
}