#include "DwarfDebug.h"
#include "llvm/ADT/DenseMap.h"
#include "llvm/ADT/Optional.h"
-#include "llvm/ADT/OwningPtr.h"
#include "llvm/ADT/StringMap.h"
+#include "llvm/CodeGen/AsmPrinter.h"
#include "llvm/IR/DIBuilder.h"
#include "llvm/IR/DebugInfo.h"
#include "llvm/MC/MCExpr.h"
#include "llvm/MC/MCSection.h"
+#include "llvm/MC/MCDwarf.h"
namespace llvm {
RangeSpan(MCSymbol *S, MCSymbol *E) : Start(S), End(E) {}
const MCSymbol *getStart() const { return Start; }
const MCSymbol *getEnd() const { return End; }
+ void setEnd(const MCSymbol *E) { End = E; }
private:
const MCSymbol *Start, *End;
void addRange(RangeSpan Range) { Ranges.push_back(Range); }
};
+enum AbstractOrInlined { AOI_None, AOI_Inlined, AOI_Abstract };
+
//===----------------------------------------------------------------------===//
/// Unit - This dwarf writer support class manages information associated
/// with a source file.
DICompileUnit CUNode;
/// Unit debug information entry.
- const OwningPtr<DIE> UnitDie;
+ DIE UnitDie;
/// Offset of the UnitDie from beginning of debug info section.
unsigned DebugInfoOffset;
/// GlobalTypes - A map of globally visible types for this unit.
StringMap<const DIE *> GlobalTypes;
- /// AccelNames - A map of names for the name accelerator table.
- 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;
/// The end of the unit within its section.
MCSymbol *LabelEnd;
- /// The label for the start of the range sets for the elements of this unit.
- MCSymbol *LabelRange;
-
/// Skeleton unit associated with this unit.
DwarfUnit *Skeleton;
- DwarfUnit(unsigned UID, DIE *D, DICompileUnit CU, AsmPrinter *A,
+ DwarfUnit(unsigned UID, dwarf::Tag, DICompileUnit CU, AsmPrinter *A,
DwarfDebug *DW, DwarfFile *DWU);
public:
virtual ~DwarfUnit();
/// Set the skeleton unit associated with this unit.
- void setSkeleton(DwarfUnit *Skel) { Skeleton = Skel; }
+ void setSkeleton(DwarfUnit &Skel) { Skeleton = &Skel; }
/// Get the skeleton unit associated with this unit.
DwarfUnit *getSkeleton() const { return Skeleton; }
Asm->GetTempSymbol(Section->getLabelBeginName(), getUniqueID());
this->LabelEnd =
Asm->GetTempSymbol(Section->getLabelEndName(), getUniqueID());
- this->LabelRange = Asm->GetTempSymbol("gnu_ranges", getUniqueID());
}
const MCSection *getSection() const {
return LabelEnd;
}
- MCSymbol *getLabelRange() const {
- assert(Section);
- return LabelRange;
- }
-
// Accessors.
unsigned getUniqueID() const { return UniqueID; }
uint16_t getLanguage() const { return CUNode.getLanguage(); }
DICompileUnit getCUNode() const { return CUNode; }
- DIE *getUnitDie() const { return UnitDie.get(); }
+ DIE &getUnitDie() { return UnitDie; }
const StringMap<const DIE *> &getGlobalNames() const { return GlobalNames; }
const StringMap<const DIE *> &getGlobalTypes() const { return GlobalTypes; }
- const StringMap<std::vector<const DIE *> > &getAccelNames() const {
- return AccelNames;
- }
- const StringMap<std::vector<const DIE *> > &getAccelObjC() const {
- return AccelObjC;
- }
- const StringMap<std::vector<const DIE *> > &getAccelNamespace() const {
- return AccelNamespace;
- }
- const StringMap<std::vector<std::pair<const DIE *, unsigned> > > &
- getAccelTypes() const {
- return AccelTypes;
- }
-
unsigned getDebugInfoOffset() const { return DebugInfoOffset; }
void setDebugInfoOffset(unsigned DbgInfoOff) { DebugInfoOffset = DbgInfoOff; }
/// hasContent - Return true if this compile unit has something to write out.
- bool hasContent() const { return !UnitDie->getChildren().empty(); }
+ bool hasContent() const { return !UnitDie.getChildren().empty(); }
/// addRange - Add an address range to the list of ranges for this unit.
- void addRange(RangeSpan Range) {
- // Only add a range for this unit if we're emitting full debug.
- if (getCUNode().getEmissionKind() == DIBuilder::FullDebug)
- CURanges.push_back(Range);
- }
+ void addRange(RangeSpan Range);
/// getRanges - Get the list of ranges for this unit.
const SmallVectorImpl<RangeSpan> &getRanges() const { return CURanges; }
/// addGlobalName - Add a new global entity to the compile unit.
///
- void addGlobalName(StringRef Name, DIE *Die, DIScope Context);
-
- /// addAccelName - Add a new name to the name accelerator table.
- void addAccelName(StringRef Name, const DIE *Die);
-
- /// addAccelObjC - Add a new name to the ObjC accelerator table.
- void addAccelObjC(StringRef Name, const DIE *Die);
+ void addGlobalName(StringRef Name, DIE &Die, DIScope Context);
/// addAccelNamespace - Add a new name to the namespace accelerator table.
- void addAccelNamespace(StringRef Name, const DIE *Die);
-
- /// addAccelType - Add a new type to the type accelerator table.
- void addAccelType(StringRef Name, std::pair<const DIE *, unsigned> Die);
+ void addAccelNamespace(StringRef Name, const DIE &Die);
/// getDIE - Returns the debug information entry map slot for the
/// specified debug variable. We delegate the request to DwarfDebug
/// kept in DwarfDebug.
void insertDIE(DIDescriptor Desc, DIE *D);
- /// addDie - Adds or interns the DIE to the compile unit.
- ///
- void addDie(DIE *Buffer) { UnitDie->addChild(Buffer); }
-
/// addFlag - Add a flag that is true to the DIE.
- void addFlag(DIE *Die, dwarf::Attribute Attribute);
+ 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,
+ void addUInt(DIE &Die, dwarf::Attribute Attribute, Optional<dwarf::Form> Form,
uint64_t Integer);
- void addUInt(DIE *Block, dwarf::Form Form, uint64_t Integer);
+ void addUInt(DIE &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,
+ void addSInt(DIE &Die, dwarf::Attribute Attribute, Optional<dwarf::Form> Form,
int64_t Integer);
- void addSInt(DIELoc *Die, Optional<dwarf::Form> Form, int64_t Integer);
+ void addSInt(DIELoc &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);
+ 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,
+ void addLocalString(DIE &Die, dwarf::Attribute Attribute,
const StringRef Str);
/// addExpr - Add a Dwarf expression attribute data and value.
- void addExpr(DIELoc *Die, dwarf::Form Form, const MCExpr *Expr);
+ void addExpr(DIELoc &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,
+ void addLabel(DIE &Die, dwarf::Attribute Attribute, dwarf::Form Form,
const MCSymbol *Label);
- void addLabel(DIELoc *Die, dwarf::Form Form, const MCSymbol *Label);
+ void addLabel(DIELoc &Die, dwarf::Form Form, const MCSymbol *Label);
/// addLocationList - Add a Dwarf loclistptr attribute data and value.
- void addLocationList(DIE *Die, dwarf::Attribute Attribute, unsigned Index);
+ void addLocationList(DIE &Die, dwarf::Attribute Attribute, unsigned Index);
/// addSectionLabel - Add a Dwarf section label attribute data and value.
///
- void addSectionLabel(DIE *Die, dwarf::Attribute Attribute,
+ 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);
+ 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(DIELoc *Die, const MCSymbol *Label);
+ void addOpAddress(DIELoc &Die, const MCSymbol *Label);
/// addSectionDelta - Add a label delta attribute data and value.
- void addSectionDelta(DIE *Die, dwarf::Attribute Attribute, const MCSymbol *Hi,
+ void addSectionDelta(DIE &Die, dwarf::Attribute Attribute, const MCSymbol *Hi,
const MCSymbol *Lo);
+ /// addLabelDelta - Add a label delta attribute data and value.
+ void addLabelDelta(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);
+ 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);
+ void addDIEEntry(DIE &Die, dwarf::Attribute Attribute, DIEEntry *Entry);
- void addDIETypeSignature(DIE *Die, const DwarfTypeUnit &Type);
+ void addDIETypeSignature(DIE &Die, const DwarfTypeUnit &Type);
/// addBlock - Add block data.
- void addBlock(DIE *Die, dwarf::Attribute Attribute, DIELoc *Block);
+ void addBlock(DIE &Die, dwarf::Attribute Attribute, DIELoc *Block);
/// addBlock - Add block data.
- void addBlock(DIE *Die, dwarf::Attribute Attribute, DIEBlock *Block);
+ void addBlock(DIE &Die, dwarf::Attribute Attribute, DIEBlock *Block);
/// addSourceLine - Add location information to specified debug information
/// entry.
- void addSourceLine(DIE *Die, unsigned Line, StringRef File,
+ void addSourceLine(DIE &Die, unsigned Line, StringRef File,
StringRef Directory);
- void addSourceLine(DIE *Die, DIVariable V);
- void addSourceLine(DIE *Die, DIGlobalVariable G);
- void addSourceLine(DIE *Die, DISubprogram SP);
- void addSourceLine(DIE *Die, DIType Ty);
- void addSourceLine(DIE *Die, DINameSpace NS);
- void addSourceLine(DIE *Die, DIObjCProperty Ty);
+ void addSourceLine(DIE &Die, DIVariable V);
+ void addSourceLine(DIE &Die, DIGlobalVariable G);
+ void addSourceLine(DIE &Die, DISubprogram SP);
+ void addSourceLine(DIE &Die, DIType Ty);
+ void addSourceLine(DIE &Die, DINameSpace NS);
+ void addSourceLine(DIE &Die, DIObjCProperty Ty);
/// addAddress - Add an address attribute to a die based on the location
/// provided.
- void addAddress(DIE *Die, dwarf::Attribute Attribute,
+ void addAddress(DIE &Die, dwarf::Attribute Attribute,
const MachineLocation &Location, bool Indirect = false);
/// addConstantValue - Add constant value entry in variable DIE.
- void addConstantValue(DIE *Die, const MachineOperand &MO, DIType Ty);
- void addConstantValue(DIE *Die, const ConstantInt *CI, bool Unsigned);
- void addConstantValue(DIE *Die, const APInt &Val, bool Unsigned);
+ void addConstantValue(DIE &Die, const MachineOperand &MO, DIType Ty);
+ void addConstantValue(DIE &Die, const ConstantInt *CI, DIType Ty);
+ void addConstantValue(DIE &Die, const APInt &Val, DIType Ty);
+ void addConstantValue(DIE &Die, const APInt &Val, bool Unsigned);
+ void addConstantValue(DIE &Die, bool Unsigned, uint64_t Val);
/// addConstantFPValue - Add constant value entry in variable DIE.
- void addConstantFPValue(DIE *Die, const MachineOperand &MO);
- void addConstantFPValue(DIE *Die, const ConstantFP *CFP);
+ void addConstantFPValue(DIE &Die, const MachineOperand &MO);
+ void addConstantFPValue(DIE &Die, const ConstantFP *CFP);
/// addTemplateParams - Add template parameters in buffer.
void addTemplateParams(DIE &Buffer, DIArray TParams);
/// addRegisterOp - Add register operand.
- void addRegisterOp(DIELoc *TheDie, unsigned Reg);
+ void addRegisterOp(DIELoc &TheDie, unsigned Reg);
/// addRegisterOffset - Add register offset.
- void addRegisterOffset(DIELoc *TheDie, unsigned Reg, int64_t Offset);
+ void addRegisterOffset(DIELoc &TheDie, unsigned Reg, int64_t Offset);
/// addComplexAddress - Start with the address based on the location provided,
/// 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,
+ 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,
+ void addBlockByrefAddress(const DbgVariable &DV, DIE &Die,
dwarf::Attribute Attribute,
const MachineLocation &Location);
/// addVariableAddress - Add DW_AT_location attribute for a
/// DbgVariable based on provided MachineLocation.
- void addVariableAddress(const DbgVariable &DV, DIE *Die,
+ void addVariableAddress(const DbgVariable &DV, DIE &Die,
MachineLocation Location);
/// addType - Add a new type attribute to the specified entity. This takes
/// and attribute parameter because DW_AT_friend attributes are also
/// type references.
- void addType(DIE *Entity, DIType Ty,
+ void addType(DIE &Entity, DIType Ty,
dwarf::Attribute Attribute = dwarf::DW_AT_type);
/// getOrCreateNameSpace - Create a DIE for DINameSpace.
void constructContainingTypeDIEs();
/// constructVariableDIE - Construct a DIE for the given DbgVariable.
- DIE *constructVariableDIE(DbgVariable &DV, bool isScopeAbstract);
+ std::unique_ptr<DIE> constructVariableDIE(DbgVariable &DV,
+ AbstractOrInlined AbsIn = AOI_None);
/// constructSubprogramArguments - Construct function argument DIEs.
void constructSubprogramArguments(DIE &Buffer, DIArray Args);
/// Create a DIE with the given Tag, add the DIE to its parent, and
/// call insertDIE if MD is not null.
- DIE *createAndAddDIE(unsigned Tag, DIE &Parent,
+ DIE &createAndAddDIE(unsigned Tag, DIE &Parent,
DIDescriptor N = DIDescriptor());
/// Compute the size of a header for this unit, not including the initial
}
/// Emit the header for this unit, not including the initial length field.
- virtual void emitHeader(const MCSection *ASection,
- const MCSymbol *ASectionSym) const;
+ virtual void emitHeader(const MCSymbol *ASectionSym) const;
virtual DwarfCompileUnit &getCU() = 0;
+ /// constructTypeDIE - Construct type DIE from DICompositeType.
+ void constructTypeDIE(DIE &Buffer, DICompositeType CTy);
+
protected:
/// getOrCreateStaticMemberDIE - Create new static data member DIE.
DIE *getOrCreateStaticMemberDIE(DIDerivedType DT);
+ /// Look up the source ID with the given directory and source file names. If
+ /// none currently exists, create a new ID and insert it in the line table.
+ virtual unsigned getOrCreateSourceID(StringRef File, StringRef Directory) = 0;
+
private:
+ /// \brief Construct a DIE for the given DbgVariable without initializing the
+ /// DbgVariable's DIE reference.
+ std::unique_ptr<DIE> constructVariableDIEImpl(const DbgVariable &DV,
+ AbstractOrInlined AbsIn);
+
/// constructTypeDIE - Construct basic type die from DIBasicType.
void constructTypeDIE(DIE &Buffer, DIBasicType BTy);
/// constructTypeDIE - Construct derived type die from DIDerivedType.
void constructTypeDIE(DIE &Buffer, DIDerivedType DTy);
- /// constructTypeDIE - Construct type DIE from DICompositeType.
- void constructTypeDIE(DIE &Buffer, DICompositeType CTy);
-
/// constructSubrangeDIE - Construct subrange DIE from DISubrange.
void constructSubrangeDIE(DIE &Buffer, DISubrange SR, DIE *IndexTy);
/// createDIEEntry - Creates a new DIEEntry to be a proxy for a debug
/// information entry.
- DIEEntry *createDIEEntry(DIE *Entry);
+ DIEEntry *createDIEEntry(DIE &Entry);
/// resolve - Look in the DwarfDebug map for the MDNode that
/// corresponds to the reference.
/// 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);
+ void updateAcceleratorTables(DIScope Context, DIType Ty, const DIE &TyDIE);
};
class DwarfCompileUnit : public DwarfUnit {
unsigned stmtListIndex;
public:
- DwarfCompileUnit(unsigned UID, DIE *D, DICompileUnit Node, AsmPrinter *A,
+ DwarfCompileUnit(unsigned UID, DICompileUnit Node, AsmPrinter *A,
DwarfDebug *DW, DwarfFile *DWU);
void initStmtList(MCSymbol *DwarfLineSectionSym);
/// 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);
+ void addLabelAddress(DIE &Die, dwarf::Attribute Attribute,
+ const MCSymbol *Label);
+
+ /// addLocalLabelAddress - Add a dwarf label attribute data and value using
+ /// DW_FORM_addr only.
+ void addLocalLabelAddress(DIE &Die, dwarf::Attribute Attribute,
+ const MCSymbol *Label);
DwarfCompileUnit &getCU() override { return *this; }
+
+ unsigned getOrCreateSourceID(StringRef FileName, StringRef DirName) override;
};
class DwarfTypeUnit : public DwarfUnit {
uint64_t TypeSignature;
const DIE *Ty;
DwarfCompileUnit &CU;
+ MCDwarfDwoLineTable *SplitLineTable;
public:
- DwarfTypeUnit(unsigned UID, DIE *D, DwarfCompileUnit &CU, AsmPrinter *A,
- DwarfDebug *DW, DwarfFile *DWU);
+ DwarfTypeUnit(unsigned UID, DwarfCompileUnit &CU, AsmPrinter *A,
+ DwarfDebug *DW, DwarfFile *DWU,
+ MCDwarfDwoLineTable *SplitLineTable = nullptr);
void setTypeSignature(uint64_t Signature) { TypeSignature = Signature; }
uint64_t getTypeSignature() const { return TypeSignature; }
void setType(const DIE *Ty) { this->Ty = Ty; }
/// Emit the header for this unit, not including the initial length field.
- void emitHeader(const MCSection *ASection, const MCSymbol *ASectionSym) const
- override;
+ void emitHeader(const MCSymbol *ASectionSym) const override;
unsigned getHeaderSize() const override {
return DwarfUnit::getHeaderSize() + sizeof(uint64_t) + // Type Signature
sizeof(uint32_t); // Type DIE Offset
}
void initSection(const MCSection *Section);
+ // Bring in the base function (taking two args, including the section symbol)
+ // for use when building DWO type units (they don't go in unique comdat
+ // sections)
+ using DwarfUnit::initSection;
DwarfCompileUnit &getCU() override { return CU; }
+
+protected:
+ unsigned getOrCreateSourceID(StringRef File, StringRef Directory) override;
};
} // end llvm namespace
#endif