-//===-- llvm/CodeGen/DwarfCompileUnit.h - Dwarf Compile Unit ---*- C++ -*--===//
+//===-- llvm/CodeGen/DwarfUnit.h - Dwarf Compile Unit ---*- C++ -*--===//
//
// The LLVM Compiler Infrastructure
//
class DbgVariable;
//===----------------------------------------------------------------------===//
-/// CompileUnit - This dwarf writer support class manages information associated
+/// Unit - This dwarf writer support class manages information associated
/// with a source file.
-class CompileUnit {
+class Unit {
+protected:
/// UniqueID - a numeric ID unique among all CUs in the module
- ///
unsigned UniqueID;
/// Node - MDNode for the compile unit.
DICompileUnit Node;
/// CUDie - Compile unit debug information entry.
- ///
const OwningPtr<DIE> CUDie;
+ /// Offset of the CUDie from beginning of debug info section.
+ unsigned DebugInfoOffset;
+
/// Asm - Target of Dwarf emission.
AsmPrinter *Asm;
DenseMap<const MDNode *, DIEEntry *> MDNodeToDIEEntryMap;
/// GlobalNames - A map of globally visible named entities for this unit.
- ///
- StringMap<DIE *> GlobalNames;
+ StringMap<const DIE *> GlobalNames;
/// GlobalTypes - A map of globally visible types for this unit.
- ///
- StringMap<DIE *> GlobalTypes;
+ StringMap<const DIE *> GlobalTypes;
/// AccelNames - A map of names for the name accelerator table.
- ///
- StringMap<std::vector<DIE *> > AccelNames;
- StringMap<std::vector<DIE *> > AccelObjC;
- StringMap<std::vector<DIE *> > AccelNamespace;
- StringMap<std::vector<std::pair<DIE *, unsigned> > > AccelTypes;
+ StringMap<std::vector<const DIE *> > AccelNames;
+
+ /// AccelObjC - A map of objc spec for the objc accelerator table.
+ StringMap<std::vector<const DIE *> > AccelObjC;
+
+ /// AccelNamespace - A map of names for the namespace accelerator table.
+ StringMap<std::vector<const DIE *> > AccelNamespace;
+
+ /// AccelTypes - A map of names for the type accelerator table.
+ StringMap<std::vector<std::pair<const DIE *, unsigned> > > AccelTypes;
/// DIEBlocks - A list of all the DIEBlocks in use.
std::vector<DIEBlock *> DIEBlocks;
// DIEIntegerOne - A preallocated DIEValue because 1 is used frequently.
DIEInteger *DIEIntegerOne;
+ Unit(unsigned UID, DIE *D, DICompileUnit CU, AsmPrinter *A, DwarfDebug *DW,
+ DwarfUnits *DWU);
+
public:
- CompileUnit(unsigned UID, DIE *D, DICompileUnit CU, AsmPrinter *A,
- DwarfDebug *DW, DwarfUnits *DWU);
- ~CompileUnit();
+ virtual ~Unit();
// Accessors.
unsigned getUniqueID() const { return UniqueID; }
- uint16_t getLanguage() const { return Node.getLanguage(); }
+ virtual uint16_t getLanguage() const = 0;
DICompileUnit getNode() const { return Node; }
DIE *getCUDie() const { return CUDie.get(); }
- const StringMap<DIE *> &getGlobalNames() const { return GlobalNames; }
- const StringMap<DIE *> &getGlobalTypes() const { return GlobalTypes; }
+ const StringMap<const DIE *> &getGlobalNames() const { return GlobalNames; }
+ const StringMap<const DIE *> &getGlobalTypes() const { return GlobalTypes; }
- const StringMap<std::vector<DIE *> > &getAccelNames() const {
+ const StringMap<std::vector<const DIE *> > &getAccelNames() const {
return AccelNames;
}
- const StringMap<std::vector<DIE *> > &getAccelObjC() const {
+ const StringMap<std::vector<const DIE *> > &getAccelObjC() const {
return AccelObjC;
}
- const StringMap<std::vector<DIE *> > &getAccelNamespace() const {
+ const StringMap<std::vector<const DIE *> > &getAccelNamespace() const {
return AccelNamespace;
}
- const StringMap<std::vector<std::pair<DIE *, unsigned> > > &
+ const StringMap<std::vector<std::pair<const DIE *, unsigned> > > &
getAccelTypes() const {
return AccelTypes;
}
void setDebugInfoOffset(unsigned DbgInfoOff) { DebugInfoOffset = DbgInfoOff; }
/// hasContent - Return true if this compile unit has something to write out.
- ///
bool hasContent() const { return !CUDie->getChildren().empty(); }
/// getParentContextString - Get a string containing the language specific
///
void addGlobalName(StringRef Name, DIE *Die, DIScope Context);
- /// addGlobalType - Add a new global type to the compile unit.
- ///
- void addGlobalType(DIType Ty);
-
- /// addPubTypes - Add a set of types from the subprogram to the global types.
- void addPubTypes(DISubprogram SP);
-
/// addAccelName - Add a new name to the name accelerator table.
- void addAccelName(StringRef Name, DIE *Die);
+ void addAccelName(StringRef Name, const DIE *Die);
/// addAccelObjC - Add a new name to the ObjC accelerator table.
- void addAccelObjC(StringRef Name, DIE *Die);
+ void addAccelObjC(StringRef Name, const DIE *Die);
/// addAccelNamespace - Add a new name to the namespace accelerator table.
- void addAccelNamespace(StringRef Name, DIE *Die);
+ void addAccelNamespace(StringRef Name, const DIE *Die);
/// addAccelType - Add a new type to the type accelerator table.
- void addAccelType(StringRef Name, std::pair<DIE *, unsigned> Die);
+ void addAccelType(StringRef Name, std::pair<const DIE *, unsigned> Die);
/// getDIE - Returns the debug information entry map slot for the
/// specified debug variable. We delegate the request to DwarfDebug
/// kept in DwarfDebug.
DIE *getDIE(DIDescriptor D) const;
+ /// getDIEBlock - Returns a fresh newly allocated DIEBlock.
DIEBlock *getDIEBlock() { return new (DIEValueAllocator) DIEBlock(); }
/// insertDIE - Insert DIE into the map. We delegate the request to DwarfDebug
void addFlag(DIE *Die, dwarf::Attribute Attribute);
/// addUInt - Add an unsigned integer attribute data and value.
- ///
void addUInt(DIE *Die, dwarf::Attribute Attribute, Optional<dwarf::Form> Form,
uint64_t Integer);
void addUInt(DIEBlock *Block, dwarf::Form Form, uint64_t Integer);
/// addSInt - Add an signed integer attribute data and value.
- ///
void addSInt(DIE *Die, dwarf::Attribute Attribute, Optional<dwarf::Form> Form,
int64_t Integer);
void addSInt(DIEBlock *Die, Optional<dwarf::Form> Form, int64_t Integer);
/// addString - Add a string attribute data and value.
- ///
void addString(DIE *Die, dwarf::Attribute Attribute, const StringRef Str);
/// addLocalString - Add a string attribute data and value.
- ///
void addLocalString(DIE *Die, dwarf::Attribute Attribute,
const StringRef Str);
/// addExpr - Add a Dwarf expression attribute data and value.
- ///
void addExpr(DIEBlock *Die, dwarf::Form Form, const MCExpr *Expr);
/// addLabel - Add a Dwarf label attribute data and value.
- ///
void addLabel(DIE *Die, dwarf::Attribute Attribute, dwarf::Form Form,
const MCSymbol *Label);
void addLabel(DIEBlock *Die, dwarf::Form Form, const MCSymbol *Label);
- /// addLabelAddress - Add a dwarf label attribute data and value using
- /// either DW_FORM_addr or DW_FORM_GNU_addr_index.
+ /// addSectionLabel - Add a Dwarf section label attribute data and value.
///
- void addLabelAddress(DIE *Die, dwarf::Attribute Attribute, MCSymbol *Label);
+ void addSectionLabel(DIE *Die, dwarf::Attribute Attribute,
+ const MCSymbol *Label);
+
+ /// addSectionOffset - Add an offset into a section attribute data and value.
+ ///
+ void addSectionOffset(DIE *Die, dwarf::Attribute Attribute, uint64_t Integer);
/// 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 addOpAddress(DIEBlock *Die, const MCSymbol *Label);
- /// addDelta - Add a label delta attribute data and value.
- ///
- void addDelta(DIE *Die, dwarf::Attribute Attribute, dwarf::Form Form,
- const MCSymbol *Hi, const MCSymbol *Lo);
+ /// addSectionDelta - Add a label delta attribute data and value.
+ void addSectionDelta(DIE *Die, dwarf::Attribute Attribute, const MCSymbol *Hi,
+ const MCSymbol *Lo);
/// addDIEEntry - Add a DIE attribute data and value.
- ///
void addDIEEntry(DIE *Die, dwarf::Attribute Attribute, DIE *Entry);
/// addDIEEntry - Add a DIE attribute data and value.
- ///
void addDIEEntry(DIE *Die, dwarf::Attribute Attribute, DIEEntry *Entry);
/// addBlock - Add block data.
- ///
void addBlock(DIE *Die, dwarf::Attribute Attribute, DIEBlock *Block);
/// addSourceLine - Add location information to specified debug information
/// and generate the DWARF information necessary to find the actual variable
/// (navigating the extra location information encoded in the type) based on
/// the starting location. Add the DWARF information to the die.
- ///
void addComplexAddress(const DbgVariable &DV, DIE *Die,
dwarf::Attribute Attribute,
const MachineLocation &Location);
/// actual Block variable (navigating the Block struct) based on the
/// starting location. Add the DWARF information to the die. Obsolete,
/// please use addComplexAddress instead.
- ///
void addBlockByrefAddress(const DbgVariable &DV, DIE *Die,
dwarf::Attribute Attribute,
const MachineLocation &Location);
DIE *getOrCreateTypeDIE(const MDNode *N);
/// getOrCreateContextDIE - Get context owner's DIE.
- DIE *getOrCreateContextDIE(DIScope Context);
+ DIE *createTypeDIE(DICompositeType Ty);
- /// createGlobalVariableDIE - create global variable DIE.
- void createGlobalVariableDIE(DIGlobalVariable GV);
+ /// getOrCreateContextDIE - Get context owner's DIE.
+ DIE *getOrCreateContextDIE(DIScope Context);
/// constructContainingTypeDIEs - Construct DIEs for types that contain
/// vtables.
/// Emit the header for this unit, not including the initial length field.
void emitHeader(const MCSection *ASection, const MCSymbol *ASectionSym);
+protected:
+ /// getOrCreateStaticMemberDIE - Create new static data member DIE.
+ DIE *getOrCreateStaticMemberDIE(DIDerivedType DT);
+
private:
/// constructTypeDIE - Construct basic type die from DIBasicType.
void constructTypeDIE(DIE &Buffer, DIBasicType BTy);
void constructTemplateValueParameterDIE(DIE &Buffer,
DITemplateValueParameter TVP);
- /// getOrCreateStaticMemberDIE - Create new static data member DIE.
- DIE *getOrCreateStaticMemberDIE(DIDerivedType DT);
-
- /// Offset of the CUDie from beginning of debug info section.
- unsigned DebugInfoOffset;
-
/// getLowerBoundDefault - Return the default lower bound for an array. If the
/// DWARF version doesn't handle the language, return -1.
int64_t getDefaultLowerBound() const;
template <typename T> T resolve(DIRef<T> Ref) const {
return DD->resolve(Ref);
}
+
+ /// If this is a named finished type then include it in the list of types for
+ /// the accelerator tables.
+ void updateAcceleratorTables(DIScope Context, DIType Ty, const DIE *TyDIE);
};
+class CompileUnit : public Unit {
+public:
+ CompileUnit(unsigned UID, DIE *D, DICompileUnit Node, AsmPrinter *A,
+ DwarfDebug *DW, DwarfUnits *DWU);
+
+ /// createGlobalVariableDIE - create global variable DIE.
+ void createGlobalVariableDIE(DIGlobalVariable GV);
+
+ /// addLabelAddress - Add a dwarf label attribute data and value using
+ /// either DW_FORM_addr or DW_FORM_GNU_addr_index.
+ void addLabelAddress(DIE *Die, dwarf::Attribute Attribute, MCSymbol *Label);
+
+ uint16_t getLanguage() const { return getNode().getLanguage(); }
+};
+
+class TypeUnit : public Unit {
+private:
+ uint16_t Language;
+
+public:
+ TypeUnit(unsigned UID, DIE *D, uint16_t Language, AsmPrinter *A,
+ DwarfDebug *DW, DwarfUnits *DWU);
+
+ uint16_t getLanguage() const { return Language; }
+};
} // end llvm namespace
#endif