index 663bc0c4d4a378807b99e6c5def1caf57ac06116..69240f870f9e581661b7d18f8da9614d7005e5e9 100644 (file)
using namespace llvm;
-static cl::opt<bool> GenerateTypeUnits("generate-type-units", cl::Hidden,
- cl::desc("Generate DWARF4 type units."),
- cl::init(false));
+static cl::opt<bool>
+GenerateDwarfTypeUnits("generate-type-units", cl::Hidden,
+ cl::desc("Generate DWARF4 type units."),
+ cl::init(false));
/// Unit - Unit constructor.
-Unit::Unit(unsigned UID, DIE *D, DICompileUnit Node, AsmPrinter *A,
- DwarfDebug *DW, DwarfUnits *DWU)
+DwarfUnit::DwarfUnit(unsigned UID, DIE *D, DICompileUnit Node, AsmPrinter *A,
+ DwarfDebug *DW, DwarfFile *DWU)
: UniqueID(UID), Node(Node), UnitDie(D), DebugInfoOffset(0), Asm(A), DD(DW),
- DU(DWU), IndexTyDie(0) {
+ DU(DWU), IndexTyDie(0), Section(0) {
DIEIntegerOne = new (DIEValueAllocator) DIEInteger(1);
}
-CompileUnit::CompileUnit(unsigned UID, DIE *D, DICompileUnit Node,
- AsmPrinter *A, DwarfDebug *DW, DwarfUnits *DWU)
- : Unit(UID, D, Node, A, DW, DWU) {
+DwarfCompileUnit::DwarfCompileUnit(unsigned UID, DIE *D, DICompileUnit Node,
+ AsmPrinter *A, DwarfDebug *DW,
+ DwarfFile *DWU)
+ : DwarfUnit(UID, D, Node, A, DW, DWU) {
insertDIE(Node, D);
}
-TypeUnit::TypeUnit(unsigned UID, DIE *D, uint16_t Language, AsmPrinter *A,
- DwarfDebug *DW, DwarfUnits *DWU)
- : Unit(UID, D, DICompileUnit(), A, DW, DWU), Language(Language) {}
+DwarfTypeUnit::DwarfTypeUnit(unsigned UID, DIE *D, uint16_t Language,
+ AsmPrinter *A, DwarfDebug *DW, DwarfFile *DWU)
+ : DwarfUnit(UID, D, DICompileUnit(), A, DW, DWU), Language(Language) {}
/// ~Unit - Destructor for compile unit.
-Unit::~Unit() {
+DwarfUnit::~DwarfUnit() {
for (unsigned j = 0, M = DIEBlocks.size(); j < M; ++j)
DIEBlocks[j]->~DIEBlock();
}
/// createDIEEntry - Creates a new DIEEntry to be a proxy for a debug
/// information entry.
-DIEEntry *Unit::createDIEEntry(DIE *Entry) {
+DIEEntry *DwarfUnit::createDIEEntry(DIE *Entry) {
DIEEntry *Value = new (DIEValueAllocator) DIEEntry(Entry);
return Value;
}
/// getDefaultLowerBound - Return the default lower bound for an array. If the
/// DWARF version doesn't handle the language, return -1.
-int64_t Unit::getDefaultLowerBound() const {
+int64_t DwarfUnit::getDefaultLowerBound() const {
switch (getLanguage()) {
default:
break;
// together.
return (D.isType() ||
(D.isSubprogram() && !DISubprogram(D).isDefinition())) &&
- !GenerateTypeUnits;
+ !GenerateDwarfTypeUnits;
}
/// getDIE - Returns the debug information entry map slot for the
/// specified debug variable. We delegate the request to DwarfDebug
/// when the DIE for this MDNode can be shared across CUs. The mappings
/// will be kept in DwarfDebug for shareable DIEs.
-DIE *Unit::getDIE(DIDescriptor D) const {
+DIE *DwarfUnit::getDIE(DIDescriptor D) const {
if (isShareableAcrossCUs(D))
return DD->getDIE(D);
return MDNodeToDieMap.lookup(D);
/// insertDIE - Insert DIE into the map. We delegate the request to DwarfDebug
/// when the DIE for this MDNode can be shared across CUs. The mappings
/// will be kept in DwarfDebug for shareable DIEs.
-void Unit::insertDIE(DIDescriptor Desc, DIE *D) {
+void DwarfUnit::insertDIE(DIDescriptor Desc, DIE *D) {
if (isShareableAcrossCUs(Desc)) {
DD->insertDIE(Desc, D);
return;
}
/// addFlag - Add a flag that is true.
-void Unit::addFlag(DIE *Die, dwarf::Attribute Attribute) {
+void DwarfUnit::addFlag(DIE *Die, dwarf::Attribute Attribute) {
if (DD->getDwarfVersion() >= 4)
Die->addValue(Attribute, dwarf::DW_FORM_flag_present, DIEIntegerOne);
else
/// addUInt - Add an unsigned integer attribute data and value.
///
-void Unit::addUInt(DIE *Die, dwarf::Attribute Attribute,
- Optional<dwarf::Form> Form, uint64_t Integer) {
+void DwarfUnit::addUInt(DIE *Die, dwarf::Attribute Attribute,
+ Optional<dwarf::Form> Form, uint64_t Integer) {
if (!Form)
Form = DIEInteger::BestForm(false, Integer);
DIEValue *Value = Integer == 1 ? DIEIntegerOne : new (DIEValueAllocator)
Die->addValue(Attribute, *Form, Value);
}
-void Unit::addUInt(DIEBlock *Block, dwarf::Form Form, uint64_t Integer) {
+void DwarfUnit::addUInt(DIEBlock *Block, dwarf::Form Form, uint64_t Integer) {
addUInt(Block, (dwarf::Attribute)0, Form, Integer);
}
/// addSInt - Add an signed integer attribute data and value.
///
-void Unit::addSInt(DIE *Die, dwarf::Attribute Attribute,
- Optional<dwarf::Form> Form, int64_t Integer) {
+void DwarfUnit::addSInt(DIE *Die, dwarf::Attribute Attribute,
+ Optional<dwarf::Form> Form, int64_t Integer) {
if (!Form)
Form = DIEInteger::BestForm(true, Integer);
DIEValue *Value = new (DIEValueAllocator) DIEInteger(Integer);
Die->addValue(Attribute, *Form, Value);
}
-void Unit::addSInt(DIEBlock *Die, Optional<dwarf::Form> Form, int64_t Integer) {
+void DwarfUnit::addSInt(DIEBlock *Die, Optional<dwarf::Form> Form,
+ int64_t Integer) {
addSInt(Die, (dwarf::Attribute)0, Form, Integer);
}
@@ -189,7 +192,8 @@ void Unit::addSInt(DIEBlock *Die, Optional<dwarf::Form> Form, int64_t Integer) {
/// more predictable sizes. In the case of split dwarf we emit an index
/// into another table which gets us the static offset into the string
/// table.
-void Unit::addString(DIE *Die, dwarf::Attribute Attribute, StringRef String) {
+void DwarfUnit::addString(DIE *Die, dwarf::Attribute Attribute,
+ StringRef String) {
DIEValue *Value;
dwarf::Form Form;
if (!DD->useSplitDwarf()) {
/// addLocalString - Add a string attribute data and value. This is guaranteed
/// to be in the local string pool instead of indirected.
-void Unit::addLocalString(DIE *Die, dwarf::Attribute Attribute,
- StringRef String) {
+void DwarfUnit::addLocalString(DIE *Die, dwarf::Attribute Attribute,
+ StringRef String) {
MCSymbol *Symb = DU->getStringPoolEntry(String);
DIEValue *Value;
if (Asm->needsRelocationsForDwarfStringPool())
/// addExpr - Add a Dwarf expression attribute data and value.
///
-void Unit::addExpr(DIEBlock *Die, dwarf::Form Form, const MCExpr *Expr) {
+void DwarfUnit::addExpr(DIEBlock *Die, dwarf::Form Form, const MCExpr *Expr) {
DIEValue *Value = new (DIEValueAllocator) DIEExpr(Expr);
Die->addValue((dwarf::Attribute)0, Form, Value);
}
/// addLabel - Add a Dwarf label attribute data and value.
///
-void Unit::addLabel(DIE *Die, dwarf::Attribute Attribute, dwarf::Form Form,
- const MCSymbol *Label) {
+void DwarfUnit::addLabel(DIE *Die, dwarf::Attribute Attribute, dwarf::Form Form,
+ const MCSymbol *Label) {
DIEValue *Value = new (DIEValueAllocator) DIELabel(Label);
Die->addValue(Attribute, Form, Value);
}
-void Unit::addLabel(DIEBlock *Die, dwarf::Form Form, const MCSymbol *Label) {
+void DwarfUnit::addLabel(DIEBlock *Die, dwarf::Form Form,
+ const MCSymbol *Label) {
addLabel(Die, (dwarf::Attribute)0, Form, Label);
}
/// addSectionLabel - Add a Dwarf section label attribute data and value.
///
-void Unit::addSectionLabel(DIE *Die, dwarf::Attribute Attribute,
- const MCSymbol *Label) {
+void DwarfUnit::addSectionLabel(DIE *Die, dwarf::Attribute Attribute,
+ const MCSymbol *Label) {
if (DD->getDwarfVersion() >= 4)
addLabel(Die, Attribute, dwarf::DW_FORM_sec_offset, Label);
else
/// addSectionOffset - Add an offset into a section attribute data and value.
///
-void Unit::addSectionOffset(DIE *Die, dwarf::Attribute Attribute,
- uint64_t Integer) {
+void DwarfUnit::addSectionOffset(DIE *Die, dwarf::Attribute Attribute,
+ uint64_t Integer) {
if (DD->getDwarfVersion() >= 4)
addUInt(Die, Attribute, dwarf::DW_FORM_sec_offset, Integer);
else
/// addLabelAddress - Add a dwarf label attribute data and value using
/// DW_FORM_addr or DW_FORM_GNU_addr_index.
///
-void CompileUnit::addLabelAddress(DIE *Die, dwarf::Attribute Attribute,
- MCSymbol *Label) {
+void DwarfCompileUnit::addLabelAddress(DIE *Die, dwarf::Attribute Attribute,
+ MCSymbol *Label) {
if (Label)
DD->addArangeLabel(SymbolCU(this, Label));
/// addOpAddress - Add a dwarf op address data and value using the
/// form given and an op of either DW_FORM_addr or DW_FORM_GNU_addr_index.
///
-void Unit::addOpAddress(DIEBlock *Die, const MCSymbol *Sym) {
+void DwarfUnit::addOpAddress(DIEBlock *Die, const MCSymbol *Sym) {
if (!DD->useSplitDwarf()) {
addUInt(Die, dwarf::DW_FORM_data1, dwarf::DW_OP_addr);
addLabel(Die, dwarf::DW_FORM_udata, Sym);
/// addSectionDelta - Add a section label delta attribute data and value.
///
-void Unit::addSectionDelta(DIE *Die, dwarf::Attribute Attribute,
- const MCSymbol *Hi, const MCSymbol *Lo) {
+void DwarfUnit::addSectionDelta(DIE *Die, dwarf::Attribute Attribute,
+ const MCSymbol *Hi, const MCSymbol *Lo) {
DIEValue *Value = new (DIEValueAllocator) DIEDelta(Hi, Lo);
if (DD->getDwarfVersion() >= 4)
Die->addValue(Attribute, dwarf::DW_FORM_sec_offset, Value);
/// addDIEEntry - Add a DIE attribute data and value.
///
-void Unit::addDIEEntry(DIE *Die, dwarf::Attribute Attribute, DIE *Entry) {
+void DwarfUnit::addDIEEntry(DIE *Die, dwarf::Attribute Attribute, DIE *Entry) {
addDIEEntry(Die, Attribute, createDIEEntry(Entry));
}
-void Unit::addDIEEntry(DIE *Die, dwarf::Attribute Attribute, DIEEntry *Entry) {
+void DwarfUnit::addDIETypeSignature(DIE *Die, const DwarfTypeUnit &Type) {
+ Die->addValue(dwarf::DW_AT_signature, dwarf::DW_FORM_ref_sig8,
+ new (DIEValueAllocator) DIETypeSignature(Type));
+}
+
+void DwarfUnit::addDIEEntry(DIE *Die, dwarf::Attribute Attribute,
+ DIEEntry *Entry) {
const DIE *DieCU = Die->getUnitOrNull();
const DIE *EntryCU = Entry->getEntry()->getUnitOrNull();
if (!DieCU)
/// Create a DIE with the given Tag, add the DIE to its parent, and
/// call insertDIE if MD is not null.
-DIE *Unit::createAndAddDIE(unsigned Tag, DIE &Parent, DIDescriptor N) {
+DIE *DwarfUnit::createAndAddDIE(unsigned Tag, DIE &Parent, DIDescriptor N) {
DIE *Die = new DIE(Tag);
Parent.addChild(Die);
if (N)
/// addBlock - Add block data.
///
-void Unit::addBlock(DIE *Die, dwarf::Attribute Attribute, DIEBlock *Block) {
+void DwarfUnit::addBlock(DIE *Die, dwarf::Attribute Attribute,
+ DIEBlock *Block) {
Block->ComputeSize(Asm);
DIEBlocks.push_back(Block); // Memoize so we can call the destructor later on.
Die->addValue(Attribute, Block->BestForm(), Block);
/// addSourceLine - Add location information to specified debug information
/// entry.
-void Unit::addSourceLine(DIE *Die, DIVariable V) {
+void DwarfUnit::addSourceLine(DIE *Die, DIVariable V) {
// Verify variable.
if (!V.isVariable())
return;
/// addSourceLine - Add location information to specified debug information
/// entry.
-void Unit::addSourceLine(DIE *Die, DIGlobalVariable G) {
+void DwarfUnit::addSourceLine(DIE *Die, DIGlobalVariable G) {
// Verify global variable.
if (!G.isGlobalVariable())
return;
/// addSourceLine - Add location information to specified debug information
/// entry.
-void Unit::addSourceLine(DIE *Die, DISubprogram SP) {
+void DwarfUnit::addSourceLine(DIE *Die, DISubprogram SP) {
// Verify subprogram.
if (!SP.isSubprogram())
return;
/// addSourceLine - Add location information to specified debug information
/// entry.
-void Unit::addSourceLine(DIE *Die, DIType Ty) {
+void DwarfUnit::addSourceLine(DIE *Die, DIType Ty) {
// Verify type.
if (!Ty.isType())
return;
/// addSourceLine - Add location information to specified debug information
/// entry.
-void Unit::addSourceLine(DIE *Die, DIObjCProperty Ty) {
+void DwarfUnit::addSourceLine(DIE *Die, DIObjCProperty Ty) {
// Verify type.
if (!Ty.isObjCProperty())
return;
/// addSourceLine - Add location information to specified debug information
/// entry.
-void Unit::addSourceLine(DIE *Die, DINameSpace NS) {
+void DwarfUnit::addSourceLine(DIE *Die, DINameSpace NS) {
// Verify namespace.
if (!NS.Verify())
return;
/// addVariableAddress - Add DW_AT_location attribute for a
/// DbgVariable based on provided MachineLocation.
-void Unit::addVariableAddress(const DbgVariable &DV, DIE *Die,
- MachineLocation Location) {
+void DwarfUnit::addVariableAddress(const DbgVariable &DV, DIE *Die,
+ MachineLocation Location) {
if (DV.variableHasComplexAddress())
addComplexAddress(DV, Die, dwarf::DW_AT_location, Location);
else if (DV.isBlockByrefVariable())
}
/// addRegisterOp - Add register operand.
-void Unit::addRegisterOp(DIEBlock *TheDie, unsigned Reg) {
+void DwarfUnit::addRegisterOp(DIEBlock *TheDie, unsigned Reg) {
const TargetRegisterInfo *RI = Asm->TM.getRegisterInfo();
unsigned DWReg = RI->getDwarfRegNum(Reg, false);
if (DWReg < 32)
}
/// addRegisterOffset - Add register offset.
-void Unit::addRegisterOffset(DIEBlock *TheDie, unsigned Reg, int64_t Offset) {
+void DwarfUnit::addRegisterOffset(DIEBlock *TheDie, unsigned Reg,
+ int64_t Offset) {
const TargetRegisterInfo *RI = Asm->TM.getRegisterInfo();
unsigned DWReg = RI->getDwarfRegNum(Reg, false);
const TargetRegisterInfo *TRI = Asm->TM.getRegisterInfo();
/// addAddress - Add an address attribute to a die based on the location
/// provided.
-void Unit::addAddress(DIE *Die, dwarf::Attribute Attribute,
- const MachineLocation &Location, bool Indirect) {
+void DwarfUnit::addAddress(DIE *Die, dwarf::Attribute Attribute,
+ const MachineLocation &Location, bool Indirect) {
DIEBlock *Block = new (DIEValueAllocator) DIEBlock();
if (Location.isReg() && !Indirect)
/// given the extra address information encoded in the DbgVariable, starting
/// from the starting location. Add the DWARF information to the die.
///
-void Unit::addComplexAddress(const DbgVariable &DV, DIE *Die,
- dwarf::Attribute Attribute,
- const MachineLocation &Location) {
+void DwarfUnit::addComplexAddress(const DbgVariable &DV, DIE *Die,
+ dwarf::Attribute Attribute,
+ const MachineLocation &Location) {
DIEBlock *Block = new (DIEValueAllocator) DIEBlock();
unsigned N = DV.getNumAddrElements();
unsigned i = 0;
/// starting location. Add the DWARF information to the die. For
/// more information, read large comment just above here.
///
-void Unit::addBlockByrefAddress(const DbgVariable &DV, DIE *Die,
- dwarf::Attribute Attribute,
- const MachineLocation &Location) {
+void DwarfUnit::addBlockByrefAddress(const DbgVariable &DV, DIE *Die,
+ dwarf::Attribute Attribute,
+ const MachineLocation &Location) {
DIType Ty = DV.getType();
DIType TmpTy = Ty;
uint16_t Tag = Ty.getTag();
}
/// addConstantValue - Add constant value entry in variable DIE.
-void Unit::addConstantValue(DIE *Die, const MachineOperand &MO, DIType Ty) {
+void DwarfUnit::addConstantValue(DIE *Die, const MachineOperand &MO,
+ DIType Ty) {
// FIXME: This is a bit conservative/simple - it emits negative values at
// their maximum bit width which is a bit unfortunate (& doesn't prefer
// udata/sdata over dataN as suggested by the DWARF spec)
}
/// addConstantFPValue - Add constant value entry in variable DIE.
-void Unit::addConstantFPValue(DIE *Die, const MachineOperand &MO) {
+void DwarfUnit::addConstantFPValue(DIE *Die, const MachineOperand &MO) {
assert(MO.isFPImm() && "Invalid machine operand!");
DIEBlock *Block = new (DIEValueAllocator) DIEBlock();
APFloat FPImm = MO.getFPImm()->getValueAPF();
}
/// addConstantFPValue - Add constant value entry in variable DIE.
-void Unit::addConstantFPValue(DIE *Die, const ConstantFP *CFP) {
+void DwarfUnit::addConstantFPValue(DIE *Die, const ConstantFP *CFP) {
// Pass this down to addConstantValue as an unsigned bag of bits.
addConstantValue(Die, CFP->getValueAPF().bitcastToAPInt(), true);
}
/// addConstantValue - Add constant value entry in variable DIE.
-void Unit::addConstantValue(DIE *Die, const ConstantInt *CI, bool Unsigned) {
+void DwarfUnit::addConstantValue(DIE *Die, const ConstantInt *CI,
+ bool Unsigned) {
addConstantValue(Die, CI->getValue(), Unsigned);
}
// addConstantValue - Add constant value entry in variable DIE.
-void Unit::addConstantValue(DIE *Die, const APInt &Val, bool Unsigned) {
+void DwarfUnit::addConstantValue(DIE *Die, const APInt &Val, bool Unsigned) {
unsigned CIBitWidth = Val.getBitWidth();
if (CIBitWidth <= 64) {
// If we're a signed constant definitely use sdata.
}
/// addTemplateParams - Add template parameters into buffer.
-void Unit::addTemplateParams(DIE &Buffer, DIArray TParams) {
+void DwarfUnit::addTemplateParams(DIE &Buffer, DIArray TParams) {
// Add template parameters.
for (unsigned i = 0, e = TParams.getNumElements(); i != e; ++i) {
DIDescriptor Element = TParams.getElement(i);
}
/// getOrCreateContextDIE - Get context owner's DIE.
-DIE *Unit::getOrCreateContextDIE(DIScope Context) {
+DIE *DwarfUnit::getOrCreateContextDIE(DIScope Context) {
if (!Context || Context.isFile())
return getUnitDie();
if (Context.isType())
return getDIE(Context);
}
-DIE *Unit::createTypeDIE(DICompositeType Ty) {
+DIE *DwarfUnit::createTypeDIE(DICompositeType Ty) {
DIScope Context = resolve(Ty.getContext());
DIE *ContextDIE = getOrCreateContextDIE(Context);
/// Return true if the type is appropriately scoped to be contained inside
/// its own type unit.
-static bool isTypeUnitScoped(DIType Ty, const DwarfDebug *DD) {
+static bool isDwarfTypeUnitScoped(DIType Ty, const DwarfDebug *DD) {
DIScope Parent = DD->resolve(Ty.getContext());
while (Parent) {
// Don't generate a hash for anything scoped inside a function.
}
/// Return true if the type should be split out into a type unit.
-static bool shouldCreateTypeUnit(DICompositeType CTy, const DwarfDebug *DD) {
- if (!GenerateTypeUnits)
+static bool shouldCreateDwarfTypeUnit(DICompositeType CTy,
+ const DwarfDebug *DD) {
+ if (!GenerateDwarfTypeUnits)
return false;
uint16_t Tag = CTy.getTag();
// If this is a class, structure, union, or enumeration type
// that is a definition (not a declaration), and not scoped
// inside a function then separate this out as a type unit.
- return !CTy.isForwardDecl() && isTypeUnitScoped(CTy, DD);
+ return !CTy.isForwardDecl() && isDwarfTypeUnitScoped(CTy, DD);
default:
return false;
}
/// getOrCreateTypeDIE - Find existing DIE or create new DIE for the
/// given DIType.
-DIE *Unit::getOrCreateTypeDIE(const MDNode *TyNode) {
+DIE *DwarfUnit::getOrCreateTypeDIE(const MDNode *TyNode) {
if (!TyNode)
return NULL;
constructTypeDIE(*TyDIE, DIBasicType(Ty));
else if (Ty.isCompositeType()) {
DICompositeType CTy(Ty);
- if (shouldCreateTypeUnit(CTy, DD)) {
- DD->addTypeUnitType(getLanguage(), TyDIE, CTy);
+ if (shouldCreateDwarfTypeUnit(CTy, DD)) {
+ DD->addDwarfTypeUnitType(getLanguage(), TyDIE, CTy);
// Skip updating the accellerator tables since this is not the full type
return TyDIE;
}
return TyDIE;
}
-void Unit::updateAcceleratorTables(DIScope Context, DIType Ty,
- const DIE *TyDIE) {
+void DwarfUnit::updateAcceleratorTables(DIScope Context, DIType Ty,
+ const DIE *TyDIE) {
if (!Ty.getName().empty() && !Ty.isForwardDecl()) {
bool IsImplementation = 0;
if (Ty.isCompositeType()) {
}
/// addType - Add a new type attribute to the specified entity.
-void Unit::addType(DIE *Entity, DIType Ty, dwarf::Attribute Attribute) {
+void DwarfUnit::addType(DIE *Entity, DIType Ty, dwarf::Attribute Attribute) {
assert(Ty && "Trying to add a type that doesn't exist?");
// Check for pre-existence.
// DIE to the proper table while ensuring that the name that we're going
// to reference is in the string table. We do this since the names we
// add may not only be identical to the names in the DIE.
-void Unit::addAccelName(StringRef Name, const DIE *Die) {
+void DwarfUnit::addAccelName(StringRef Name, const DIE *Die) {
DU->getStringPoolEntry(Name);
std::vector<const DIE *> &DIEs = AccelNames[Name];
DIEs.push_back(Die);
}
-void Unit::addAccelObjC(StringRef Name, const DIE *Die) {
+void DwarfUnit::addAccelObjC(StringRef Name, const DIE *Die) {
DU->getStringPoolEntry(Name);
std::vector<const DIE *> &DIEs = AccelObjC[Name];
DIEs.push_back(Die);
}
-void Unit::addAccelNamespace(StringRef Name, const DIE *Die) {
+void DwarfUnit::addAccelNamespace(StringRef Name, const DIE *Die) {
DU->getStringPoolEntry(Name);
std::vector<const DIE *> &DIEs = AccelNamespace[Name];
DIEs.push_back(Die);
}
-void Unit::addAccelType(StringRef Name, std::pair<const DIE *, unsigned> Die) {
+void DwarfUnit::addAccelType(StringRef Name,
+ std::pair<const DIE *, unsigned> Die) {
DU->getStringPoolEntry(Name);
std::vector<std::pair<const DIE *, unsigned> > &DIEs = AccelTypes[Name];
DIEs.push_back(Die);
}
/// addGlobalName - Add a new global name to the compile unit.
-void Unit::addGlobalName(StringRef Name, DIE *Die, DIScope Context) {
+void DwarfUnit::addGlobalName(StringRef Name, DIE *Die, DIScope Context) {
std::string FullName = getParentContextString(Context) + Name.str();
GlobalNames[FullName] = Die;
}
/// it as a string. This is done at the metadata level because DIEs may
/// not currently have been added to the parent context and walking the
/// DIEs looking for names is more expensive than walking the metadata.
-std::string Unit::getParentContextString(DIScope Context) const {
+std::string DwarfUnit::getParentContextString(DIScope Context) const {
if (!Context)
return "";
}
/// constructTypeDIE - Construct basic type die from DIBasicType.
-void Unit::constructTypeDIE(DIE &Buffer, DIBasicType BTy) {
+void DwarfUnit::constructTypeDIE(DIE &Buffer, DIBasicType BTy) {
// Get core information.
StringRef Name = BTy.getName();
// Add name if not anonymous or intermediate type.
}
/// constructTypeDIE - Construct derived type die from DIDerivedType.
-void Unit::constructTypeDIE(DIE &Buffer, DIDerivedType DTy) {
+void DwarfUnit::constructTypeDIE(DIE &Buffer, DIDerivedType DTy) {
// Get core information.
StringRef Name = DTy.getName();
uint64_t Size = DTy.getSizeInBits() >> 3;
}
/// constructTypeDIE - Construct type DIE from DICompositeType.
-void Unit::constructTypeDIE(DIE &Buffer, DICompositeType CTy) {
+void DwarfUnit::constructTypeDIE(DIE &Buffer, DICompositeType CTy) {
// Add name if not anonymous or intermediate type.
StringRef Name = CTy.getName();
(Language == dwarf::DW_LANG_C89 || Language == dwarf::DW_LANG_C99 ||
Language == dwarf::DW_LANG_ObjC))
addFlag(&Buffer, dwarf::DW_AT_prototyped);
+
+ if (CTy.isLValueReference())
+ addFlag(&Buffer, dwarf::DW_AT_reference);
+
+ if (CTy.isRValueReference())
+ addFlag(&Buffer, dwarf::DW_AT_rvalue_reference);
} break;
case dwarf::DW_TAG_structure_type:
case dwarf::DW_TAG_union_type:
/// constructTemplateTypeParameterDIE - Construct new DIE for the given
/// DITemplateTypeParameter.
-void Unit::constructTemplateTypeParameterDIE(DIE &Buffer,
- DITemplateTypeParameter TP) {
+void DwarfUnit::constructTemplateTypeParameterDIE(DIE &Buffer,
+ DITemplateTypeParameter TP) {
DIE *ParamDIE =
createAndAddDIE(dwarf::DW_TAG_template_type_parameter, Buffer);
// Add the type if it exists, it could be void and therefore no type.
/// constructTemplateValueParameterDIE - Construct new DIE for the given
/// DITemplateValueParameter.
-void Unit::constructTemplateValueParameterDIE(DIE &Buffer,
+void
+DwarfUnit::constructTemplateValueParameterDIE(DIE &Buffer,
DITemplateValueParameter VP) {
DIE *ParamDIE = createAndAddDIE(VP.getTag(), Buffer);
}
/// getOrCreateNameSpace - Create a DIE for DINameSpace.
-DIE *Unit::getOrCreateNameSpace(DINameSpace NS) {
+DIE *DwarfUnit::getOrCreateNameSpace(DINameSpace NS) {
// Construct the context before querying for the existence of the DIE in case
// such construction creates the DIE.
DIE *ContextDIE = getOrCreateContextDIE(NS.getContext());
}
/// getOrCreateSubprogramDIE - Create new DIE using SP.
-DIE *Unit::getOrCreateSubprogramDIE(DISubprogram SP) {
+DIE *DwarfUnit::getOrCreateSubprogramDIE(DISubprogram SP) {
// Construct the context before querying for the existence of the DIE in case
// such construction creates the DIE (as is the case for member function
// declarations).
addUInt(SPDie, dwarf::DW_AT_APPLE_isa, dwarf::DW_FORM_flag, isa);
}
+ if (SP.isLValueReference())
+ addFlag(SPDie, dwarf::DW_AT_reference);
+
+ if (SP.isRValueReference())
+ addFlag(SPDie, dwarf::DW_AT_rvalue_reference);
+
return SPDie;
}
}
/// createGlobalVariableDIE - create global variable DIE.
-void CompileUnit::createGlobalVariableDIE(DIGlobalVariable GV) {
+void DwarfCompileUnit::createGlobalVariableDIE(DIGlobalVariable GV) {
// Check for pre-existence.
if (getDIE(GV))
return;
}
/// constructSubrangeDIE - Construct subrange DIE from DISubrange.
-void Unit::constructSubrangeDIE(DIE &Buffer, DISubrange SR, DIE *IndexTy) {
+void DwarfUnit::constructSubrangeDIE(DIE &Buffer, DISubrange SR, DIE *IndexTy) {
DIE *DW_Subrange = createAndAddDIE(dwarf::DW_TAG_subrange_type, Buffer);
addDIEEntry(DW_Subrange, dwarf::DW_AT_type, IndexTy);
}
/// constructArrayTypeDIE - Construct array type DIE from DICompositeType.
-void Unit::constructArrayTypeDIE(DIE &Buffer, DICompositeType CTy) {
+void DwarfUnit::constructArrayTypeDIE(DIE &Buffer, DICompositeType CTy) {
if (CTy.isVector())
addFlag(&Buffer, dwarf::DW_AT_GNU_vector);
}
/// constructEnumTypeDIE - Construct an enum type DIE from DICompositeType.
-void Unit::constructEnumTypeDIE(DIE &Buffer, DICompositeType CTy) {
+void DwarfUnit::constructEnumTypeDIE(DIE &Buffer, DICompositeType CTy) {
DIArray Elements = CTy.getTypeArray();
// Add enumerators to enumeration type.
/// constructContainingTypeDIEs - Construct DIEs for types that contain
/// vtables.
-void Unit::constructContainingTypeDIEs() {
+void DwarfUnit::constructContainingTypeDIEs() {
for (DenseMap<DIE *, const MDNode *>::iterator CI = ContainingTypeMap.begin(),
CE = ContainingTypeMap.end();
CI != CE; ++CI) {
}
/// constructVariableDIE - Construct a DIE for the given DbgVariable.
-DIE *Unit::constructVariableDIE(DbgVariable &DV, bool isScopeAbstract) {
+DIE *DwarfUnit::constructVariableDIE(DbgVariable &DV, bool isScopeAbstract) {
StringRef Name = DV.getName();
// Define variable debug information entry.
}
/// constructMemberDIE - Construct member DIE from DIDerivedType.
-void Unit::constructMemberDIE(DIE &Buffer, DIDerivedType DT) {
+void DwarfUnit::constructMemberDIE(DIE &Buffer, DIDerivedType DT) {
DIE *MemberDie = createAndAddDIE(DT.getTag(), Buffer);
StringRef Name = DT.getName();
if (!Name.empty())
}
/// getOrCreateStaticMemberDIE - Create new DIE for C++ static member.
-DIE *Unit::getOrCreateStaticMemberDIE(DIDerivedType DT) {
+DIE *DwarfUnit::getOrCreateStaticMemberDIE(DIDerivedType DT) {
if (!DT.Verify())
return NULL;
return StaticMemberDIE;
}
-void Unit::emitHeader(const MCSection *ASection, const MCSymbol *ASectionSym) {
+void DwarfUnit::emitHeader(const MCSection *ASection,
+ const MCSymbol *ASectionSym) const {
Asm->OutStreamer.AddComment("DWARF version number");
Asm->EmitInt16(DD->getDwarfVersion());
Asm->OutStreamer.AddComment("Offset Into Abbrev. Section");
@@ -1983,3 +2014,30 @@ void Unit::emitHeader(const MCSection *ASection, const MCSymbol *ASectionSym) {
Asm->OutStreamer.AddComment("Address Size (in bytes)");
Asm->EmitInt8(Asm->getDataLayout().getPointerSize());
}
+
+DwarfCompileUnit::~DwarfCompileUnit() {}
+DwarfTypeUnit::~DwarfTypeUnit() {}
+
+void DwarfTypeUnit::emitHeader(const MCSection *ASection,
+ const MCSymbol *ASectionSym) const {
+ DwarfUnit::emitHeader(ASection, ASectionSym);
+ Asm->OutStreamer.AddComment("Type Signature");
+ Asm->OutStreamer.EmitIntValue(TypeSignature, sizeof(TypeSignature));
+ Asm->OutStreamer.AddComment("Type DIE Offset");
+ Asm->OutStreamer.EmitIntValue(Ty->getOffset(), sizeof(Ty->getOffset()));
+}
+
+void DwarfTypeUnit::initSection(const MCSection *Section) {
+ assert(!this->Section);
+ this->Section = Section;
+ // Since each type unit is contained in its own COMDAT section, the begin
+ // label and the section label are the same. Using the begin label emission in
+ // DwarfDebug to emit the section label as well is slightly subtle/sneaky, but
+ // the only other alternative of lazily constructing start-of-section labels
+ // and storing a mapping in DwarfDebug (or AsmPrinter).
+ this->SectionSym = this->LabelBegin =
+ Asm->GetTempSymbol(Section->getLabelBeginName(), getUniqueID());
+ this->LabelEnd =
+ Asm->GetTempSymbol(Section->getLabelEndName(), getUniqueID());
+ this->LabelRange = Asm->GetTempSymbol("gnu_ranges", getUniqueID());
+}