//
//===----------------------------------------------------------------------===//
-#ifndef CODEGEN_ASMPRINTER_DWARFCOMPILEUNIT_H
-#define CODEGEN_ASMPRINTER_DWARFCOMPILEUNIT_H
+#ifndef LLVM_LIB_CODEGEN_ASMPRINTER_DWARFUNIT_H
+#define LLVM_LIB_CODEGEN_ASMPRINTER_DWARFUNIT_H
-#include "DIE.h"
#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/DebugInfo.h"
-#include "llvm/DIBuilder.h"
+#include "llvm/CodeGen/AsmPrinter.h"
+#include "llvm/CodeGen/DIE.h"
+#include "llvm/IR/DIBuilder.h"
+#include "llvm/IR/DebugInfo.h"
+#include "llvm/MC/MCDwarf.h"
#include "llvm/MC/MCExpr.h"
#include "llvm/MC/MCSection.h"
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;
SmallVector<RangeSpan, 2> Ranges;
public:
- RangeSpanList(MCSymbol *Sym) : RangeSym(Sym) {}
+ RangeSpanList(MCSymbol *Sym, SmallVector<RangeSpan, 2> Ranges)
+ : RangeSym(Sym), Ranges(std::move(Ranges)) {}
MCSymbol *getSym() const { return RangeSym; }
const SmallVectorImpl<RangeSpan> &getRanges() const { return Ranges; }
void addRange(RangeSpan Range) { Ranges.push_back(Range); }
};
//===----------------------------------------------------------------------===//
-/// Unit - This dwarf writer support class manages information associated
-/// with a source file.
+/// This dwarf writer support class manages information associated with a
+/// source file.
class DwarfUnit {
protected:
- /// UniqueID - a numeric ID unique among all CUs in the module
+ /// A numeric ID unique among all CUs in the module
unsigned UniqueID;
- /// Node - MDNode for the compile unit.
+ /// MDNode for the compile unit.
DICompileUnit CUNode;
/// Unit debug information entry.
- const OwningPtr<DIE> UnitDie;
+ DIE UnitDie;
/// Offset of the UnitDie from beginning of debug info section.
unsigned DebugInfoOffset;
- /// Asm - Target of Dwarf emission.
+ /// Target of Dwarf emission.
AsmPrinter *Asm;
// Holders for some common dwarf information.
DwarfDebug *DD;
DwarfFile *DU;
- /// IndexTyDie - An anonymous type for index type. Owned by UnitDie.
+ /// An anonymous type for index type. Owned by UnitDie.
DIE *IndexTyDie;
- /// MDNodeToDieMap - Tracks the mapping of unit level debug information
- /// variables to debug information entries.
+ /// Tracks the mapping of unit level debug information variables to debug
+ /// information entries.
DenseMap<const MDNode *, DIE *> MDNodeToDieMap;
- /// MDNodeToDIEEntryMap - Tracks the mapping of unit level debug information
- /// descriptors to debug information entries using a DIEEntry proxy.
+ /// Tracks the mapping of unit level debug information descriptors to debug
+ /// information entries using a DIEEntry proxy.
DenseMap<const MDNode *, DIEEntry *> MDNodeToDIEEntryMap;
- /// GlobalNames - A map of globally visible named entities for this unit.
- StringMap<const DIE *> GlobalNames;
-
- /// 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.
+ /// A list of all the DIEBlocks in use.
std::vector<DIEBlock *> DIEBlocks;
-
- /// DIELocs - A list of all the DIELocs in use.
+
+ /// A list of all the DIELocs in use.
std::vector<DIELoc *> DIELocs;
- /// ContainingTypeMap - This map is used to keep track of subprogram DIEs that
- /// need DW_AT_containing_type attribute. This attribute points to a DIE that
+ /// This map is used to keep track of subprogram DIEs that need
+ /// DW_AT_containing_type attribute. This attribute points to a DIE that
/// corresponds to the MDNode mapped with the subprogram DIE.
- DenseMap<DIE *, const MDNode *> ContainingTypeMap;
-
- // List of ranges for a given compile unit.
- SmallVector<RangeSpan, 1> CURanges;
-
- // List of range lists for a given compile unit, separate from the ranges for
- // the CU itself.
- SmallVector<RangeSpanList, 1> CURangeLists;
+ DenseMap<DIE *, const DebugNode *> ContainingTypeMap;
- // DIEValueAllocator - All DIEValues are allocated through this allocator.
+ // All DIEValues are allocated through this allocator.
BumpPtrAllocator DIEValueAllocator;
- // DIEIntegerOne - A preallocated DIEValue because 1 is used frequently.
+ // A preallocated DIEValue because 1 is used frequently.
DIEInteger *DIEIntegerOne;
/// The section this unit will be emitted in.
const MCSection *Section;
- /// A label at the start of the non-dwo section related to this unit.
- MCSymbol *SectionSym;
-
- /// The start of the unit within its section.
- MCSymbol *LabelBegin;
-
- /// The end of the unit within its section.
- MCSymbol *LabelEnd;
+ DwarfUnit(unsigned UID, dwarf::Tag, DICompileUnit CU, AsmPrinter *A,
+ DwarfDebug *DW, DwarfFile *DWU);
- /// The label for the start of the range sets for the elements of this unit.
- MCSymbol *LabelRange;
+ /// \brief Add a string attribute data and value.
+ ///
+ /// This is guaranteed to be in the local string pool instead of indirected.
+ void addLocalString(DIE &Die, dwarf::Attribute Attribute, StringRef Str);
- /// Skeleton unit associated with this unit.
- DwarfUnit *Skeleton;
+ void addIndexedString(DIE &Die, dwarf::Attribute Attribute, StringRef Str);
- DwarfUnit(unsigned UID, DIE *D, DICompileUnit CU, AsmPrinter *A,
- DwarfDebug *DW, DwarfFile *DWU);
+ bool applySubprogramDefinitionAttributes(DISubprogram SP, DIE &SPDie);
public:
virtual ~DwarfUnit();
- /// Set the skeleton unit associated with this unit.
- void setSkeleton(DwarfUnit *Skel) { Skeleton = Skel; }
-
- /// Get the skeleton unit associated with this unit.
- DwarfUnit *getSkeleton() const { return Skeleton; }
-
- /// Pass in the SectionSym even though we could recreate it in every compile
- /// unit (type units will have actually distinct symbols once they're in
- /// comdat sections).
- void initSection(const MCSection *Section, MCSymbol *SectionSym) {
- assert(!this->Section);
- this->Section = Section;
- this->SectionSym = SectionSym;
- this->LabelBegin =
- Asm->GetTempSymbol(Section->getLabelBeginName(), getUniqueID());
- this->LabelEnd =
- Asm->GetTempSymbol(Section->getLabelEndName(), getUniqueID());
- this->LabelRange = Asm->GetTempSymbol("gnu_ranges", getUniqueID());
- }
+ void initSection(const MCSection *Section);
const MCSection *getSection() const {
assert(Section);
return Section;
}
- /// If there's a skeleton then return the section symbol for the skeleton
- /// unit, otherwise return the section symbol for this unit.
- MCSymbol *getLocalSectionSym() const {
- if (Skeleton)
- return Skeleton->getSectionSym();
- return getSectionSym();
- }
-
- MCSymbol *getSectionSym() const {
- assert(Section);
- return SectionSym;
- }
-
- /// If there's a skeleton then return the begin label for the skeleton unit,
- /// otherwise return the local label for this unit.
- MCSymbol *getLocalLabelBegin() const {
- if (Skeleton)
- return Skeleton->getLabelBegin();
- return getLabelBegin();
- }
-
- MCSymbol *getLabelBegin() const {
- assert(Section);
- return LabelBegin;
- }
-
- MCSymbol *getLabelEnd() const {
- assert(Section);
- return LabelEnd;
- }
-
- MCSymbol *getLabelRange() const {
- assert(Section);
- return LabelRange;
- }
-
// Accessors.
+ AsmPrinter* getAsmPrinter() const { return Asm; }
unsigned getUniqueID() const { return UniqueID; }
- uint16_t getLanguage() const { return CUNode.getLanguage(); }
+ uint16_t getLanguage() const { return CUNode->getSourceLanguage(); }
DICompileUnit getCUNode() const { return CUNode; }
- DIE *getUnitDie() const { return UnitDie.get(); }
- 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;
- }
+ DIE &getUnitDie() { return UnitDie; }
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(); }
+ /// \brief Return true if this compile unit has something to write out.
+ 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);
+ /// \brief Get string containing language specific context for a global name.
+ ///
+ /// Walks the metadata parent chain in a language specific manner (using the
+ /// compile unit language) and returns 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 getParentContextString(const MDScope *Context) const;
+
+ /// Add a new global name to the compile unit.
+ virtual void addGlobalName(StringRef Name, DIE &Die, const MDScope *Context) {
}
- /// getRanges - Get the list of ranges for this unit.
- const SmallVectorImpl<RangeSpan> &getRanges() const { return CURanges; }
- SmallVectorImpl<RangeSpan> &getRanges() { return CURanges; }
+ /// Add a new global type to the compile unit.
+ virtual void addGlobalType(const MDType *Ty, const DIE &Die,
+ const MDScope *Context) {}
- /// addRangeList - Add an address range list to the list of range lists.
- void addRangeList(RangeSpanList Ranges) { CURangeLists.push_back(Ranges); }
+ /// \brief Add a new name to the namespace accelerator table.
+ void addAccelNamespace(StringRef Name, const DIE &Die);
- /// getRangeLists - Get the vector of range lists.
- const SmallVectorImpl<RangeSpanList> &getRangeLists() const {
- return CURangeLists;
- }
- SmallVectorImpl<RangeSpanList> &getRangeLists() { return CURangeLists; }
-
- /// getParentContextString - Get a string containing the language specific
- /// context for a global name.
- std::string getParentContextString(DIScope Context) const;
-
- /// addGlobalName - Add a new global entity to the compile unit.
+ /// \brief Returns the DIE map slot for the specified debug variable.
///
- 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);
+ /// We delegate the request to DwarfDebug when the MDNode can be part of the
+ /// type system, since DIEs for the type system can be shared across CUs and
+ /// the mappings are kept in DwarfDebug.
+ DIE *getDIE(const DebugNode *D) const;
- /// 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);
-
- /// getDIE - Returns the debug information entry map slot for the
- /// specified debug variable. We delegate the request to DwarfDebug
- /// when the MDNode can be part of the type system, since DIEs for
- /// the type system can be shared across CUs and the mappings are
- /// kept in DwarfDebug.
- DIE *getDIE(DIDescriptor D) const;
-
- /// getDIELoc - Returns a fresh newly allocated DIELoc.
+ /// \brief Returns a fresh newly allocated DIELoc.
DIELoc *getDIELoc() { return new (DIEValueAllocator) DIELoc(); }
- /// insertDIE - Insert DIE into the map. We delegate the request to DwarfDebug
- /// when the MDNode can be part of the type system, since DIEs for
- /// the type system can be shared across CUs and the mappings are
- /// kept in DwarfDebug.
- void insertDIE(DIDescriptor Desc, DIE *D);
-
- /// addDie - Adds or interns the DIE to the compile unit.
+ /// \brief Insert DIE into the map.
///
- void addDie(DIE *Buffer) { UnitDie->addChild(Buffer); }
+ /// We delegate the request to DwarfDebug when the MDNode can be part of the
+ /// type system, since DIEs for the type system can be shared across CUs and
+ /// the mappings are kept in DwarfDebug.
+ void insertDIE(const DebugNode *Desc, DIE *D);
- /// addFlag - Add a flag that is true to the DIE.
- void addFlag(DIE *Die, dwarf::Attribute Attribute);
+ /// \brief Add a flag that is true to the DIE.
+ 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,
+ /// \brief Add an unsigned integer attribute data and value.
+ 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,
+ /// \brief Add an signed integer attribute data and value.
+ 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);
-
- /// 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);
+ void addSInt(DIELoc &Die, Optional<dwarf::Form> Form, int64_t Integer);
- /// addExpr - Add a Dwarf expression attribute data and value.
- 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,
+ /// \brief Add a string attribute data and value.
+ ///
+ /// We always emit a reference to the string pool instead of immediate
+ /// strings so that DIEs have 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 addString(DIE &Die, dwarf::Attribute Attribute, StringRef Str);
+
+ /// \brief Add a Dwarf label attribute data and value.
+ 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);
- /// addSectionLabel - Add a Dwarf section label attribute data and value.
- ///
- 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);
+ /// \brief 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(DIELoc *Die, const MCSymbol *Label);
+ /// \brief 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);
- /// addSectionDelta - Add a label delta attribute data and value.
- void addSectionDelta(DIE *Die, dwarf::Attribute Attribute, const MCSymbol *Hi,
- const MCSymbol *Lo);
+ /// \brief 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);
+ /// \brief 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);
+ /// \brief Add a DIE attribute data and value.
+ 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);
+ /// \brief Add block data.
+ void addBlock(DIE &Die, dwarf::Attribute Attribute, DIELoc *Block);
- /// addBlock - Add block data.
- void addBlock(DIE *Die, dwarf::Attribute Attribute, DIEBlock *Block);
+ /// \brief Add block data.
+ 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,
+ /// \brief Add location information to specified debug information entry.
+ 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);
-
- /// addAddress - Add an address attribute to a die based on the location
- /// provided.
- 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);
-
- /// addConstantFPValue - Add constant value entry in variable DIE.
- void addConstantFPValue(DIE *Die, const MachineOperand &MO);
- void addConstantFPValue(DIE *Die, const ConstantFP *CFP);
-
- /// addTemplateParams - Add template parameters in buffer.
+ void addSourceLine(DIE &Die, DIVariable V);
+ void addSourceLine(DIE &Die, DIGlobalVariable G);
+ void addSourceLine(DIE &Die, DISubprogram SP);
+ void addSourceLine(DIE &Die, const MDType *Ty);
+ void addSourceLine(DIE &Die, DINameSpace NS);
+ void addSourceLine(DIE &Die, DIObjCProperty Ty);
+
+ /// \brief Add constant value entry in variable DIE.
+ void addConstantValue(DIE &Die, const MachineOperand &MO, const MDType *Ty);
+ void addConstantValue(DIE &Die, const ConstantInt *CI, const MDType *Ty);
+ void addConstantValue(DIE &Die, const APInt &Val, const MDType *Ty);
+ void addConstantValue(DIE &Die, const APInt &Val, bool Unsigned);
+ void addConstantValue(DIE &Die, bool Unsigned, uint64_t Val);
+
+ /// \brief Add constant value entry in variable DIE.
+ void addConstantFPValue(DIE &Die, const MachineOperand &MO);
+ void addConstantFPValue(DIE &Die, const ConstantFP *CFP);
+
+ /// \brief Add a linkage name, if it isn't empty.
+ void addLinkageName(DIE &Die, StringRef LinkageName);
+
+ /// \brief Add template parameters in buffer.
void addTemplateParams(DIE &Buffer, DIArray TParams);
- /// addRegisterOp - Add register operand.
- void addRegisterOp(DIELoc *TheDie, unsigned Reg);
-
- /// addRegisterOffset - Add register offset.
- void addRegisterOffset(DIELoc *TheDie, unsigned Reg, int64_t Offset);
+ /// \brief Add register operand.
+ /// \returns false if the register does not exist, e.g., because it was never
+ /// materialized.
+ bool addRegisterOpPiece(DIELoc &TheDie, unsigned Reg,
+ unsigned SizeInBits = 0, unsigned OffsetInBits = 0);
- /// 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,
- dwarf::Attribute Attribute,
- const MachineLocation &Location);
+ /// \brief Add register offset.
+ /// \returns false if the register does not exist, e.g., because it was never
+ /// materialized.
+ bool addRegisterOffset(DIELoc &TheDie, unsigned Reg, int64_t Offset);
// FIXME: Should be reformulated in terms of addComplexAddress.
- /// addBlockByrefAddress - Start with the address based on the location
- /// provided, and generate the DWARF information necessary to find the
- /// 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,
+ /// Start with the address based on the location provided, and generate the
+ /// DWARF information necessary to find the 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);
- /// addVariableAddress - Add DW_AT_location attribute for a
- /// DbgVariable based on provided MachineLocation.
- 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,
+ /// \brief 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, const MDType *Ty,
dwarf::Attribute Attribute = dwarf::DW_AT_type);
- /// getOrCreateNameSpace - Create a DIE for DINameSpace.
DIE *getOrCreateNameSpace(DINameSpace NS);
+ DIE *getOrCreateSubprogramDIE(DISubprogram SP, bool Minimal = false);
- /// getOrCreateSubprogramDIE - Create new DIE using SP.
- DIE *getOrCreateSubprogramDIE(DISubprogram SP);
+ void applySubprogramAttributes(DISubprogram SP, DIE &SPDie,
+ bool Minimal = false);
- /// getOrCreateTypeDIE - Find existing DIE or create new DIE for the
- /// given DIType.
+ /// \brief Find existing DIE or create new DIE for the given type.
DIE *getOrCreateTypeDIE(const MDNode *N);
- /// getOrCreateContextDIE - Get context owner's DIE.
- DIE *createTypeDIE(DICompositeType Ty);
+ /// \brief Get context owner's DIE.
+ DIE *createTypeDIE(const MDCompositeType *Ty);
- /// getOrCreateContextDIE - Get context owner's DIE.
- DIE *getOrCreateContextDIE(DIScope Context);
+ /// \brief Get context owner's DIE.
+ DIE *getOrCreateContextDIE(const MDScope *Context);
- /// constructContainingTypeDIEs - Construct DIEs for types that contain
- /// vtables.
+ /// \brief Construct DIEs for types that contain vtables.
void constructContainingTypeDIEs();
- /// constructVariableDIE - Construct a DIE for the given DbgVariable.
- DIE *constructVariableDIE(DbgVariable &DV, bool isScopeAbstract);
-
- /// constructSubprogramArguments - Construct function argument DIEs.
- void constructSubprogramArguments(DIE &Buffer, DIArray Args);
+ /// \brief Construct function argument DIEs.
+ void constructSubprogramArguments(DIE &Buffer, DITypeArray 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,
- DIDescriptor N = DIDescriptor());
+ DIE &createAndAddDIE(unsigned Tag, DIE &Parent, const DebugNode *N = nullptr);
/// Compute the size of a header for this unit, not including the initial
/// length field.
}
/// 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(bool UseOffsets);
virtual DwarfCompileUnit &getCU() = 0;
-protected:
- /// getOrCreateStaticMemberDIE - Create new static data member DIE.
- DIE *getOrCreateStaticMemberDIE(DIDerivedType DT);
+ void constructTypeDIE(DIE &Buffer, const MDCompositeType *CTy);
-private:
- /// constructTypeDIE - Construct basic type die from DIBasicType.
- void constructTypeDIE(DIE &Buffer, DIBasicType BTy);
+protected:
+ /// \brief Create new static data member DIE.
+ DIE *getOrCreateStaticMemberDIE(const MDDerivedType *DT);
- /// constructTypeDIE - Construct derived type die from DIDerivedType.
- void constructTypeDIE(DIE &Buffer, DIDerivedType DTy);
+ /// 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;
- /// constructTypeDIE - Construct type DIE from DICompositeType.
- void constructTypeDIE(DIE &Buffer, DICompositeType CTy);
+ /// \brief Look in the DwarfDebug map for the MDNode that corresponds to the
+ /// reference.
+ template <typename T> T *resolve(TypedDebugNodeRef<T> Ref) const {
+ return DD->resolve(Ref);
+ }
- /// constructSubrangeDIE - Construct subrange DIE from DISubrange.
+private:
+ void constructTypeDIE(DIE &Buffer, const MDBasicType *BTy);
+ void constructTypeDIE(DIE &Buffer, const MDDerivedType *DTy);
+ void constructTypeDIE(DIE &Buffer, const MDSubroutineType *DTy);
void constructSubrangeDIE(DIE &Buffer, DISubrange SR, DIE *IndexTy);
-
- /// constructArrayTypeDIE - Construct array type DIE from DICompositeType.
- void constructArrayTypeDIE(DIE &Buffer, DICompositeType CTy);
-
- /// constructEnumTypeDIE - Construct enum type DIE from DIEnumerator.
- void constructEnumTypeDIE(DIE &Buffer, DICompositeType CTy);
-
- /// constructMemberDIE - Construct member DIE from DIDerivedType.
- void constructMemberDIE(DIE &Buffer, DIDerivedType DT);
-
- /// constructTemplateTypeParameterDIE - Construct new DIE for the given
- /// DITemplateTypeParameter.
+ void constructArrayTypeDIE(DIE &Buffer, const MDCompositeType *CTy);
+ void constructEnumTypeDIE(DIE &Buffer, const MDCompositeType *CTy);
+ void constructMemberDIE(DIE &Buffer, const MDDerivedType *DT);
void constructTemplateTypeParameterDIE(DIE &Buffer,
DITemplateTypeParameter TP);
-
- /// constructTemplateValueParameterDIE - Construct new DIE for the given
- /// DITemplateValueParameter.
void constructTemplateValueParameterDIE(DIE &Buffer,
DITemplateValueParameter TVP);
- /// getLowerBoundDefault - Return the default lower bound for an array. If the
- /// DWARF version doesn't handle the language, return -1.
+ /// \brief Return the default lower bound for an array.
+ ///
+ /// If the DWARF version doesn't handle the language, return -1.
int64_t getDefaultLowerBound() const;
- /// getDIEEntry - Returns the debug information entry for the specified
- /// debug variable.
+ /// \brief Returns the DIE entry for the specified debug variable.
DIEEntry *getDIEEntry(const MDNode *N) const {
return MDNodeToDIEEntryMap.lookup(N);
}
- /// insertDIEEntry - Insert debug information entry into the map.
+ /// \brief Insert debug information entry into the map.
void insertDIEEntry(const MDNode *N, DIEEntry *E) {
MDNodeToDIEEntryMap.insert(std::make_pair(N, E));
}
- // getIndexTyDie - Get an anonymous type for index type.
- DIE *getIndexTyDie() { return IndexTyDie; }
+ /// \brief Get an anonymous type for index type.
+ DIE *getIndexTyDie();
- // setIndexTyDie - Set D as anonymous type for index which can be reused
- // later.
+ /// \brief Set D as anonymous type for index which can be reused later.
void setIndexTyDie(DIE *D) { IndexTyDie = D; }
- /// createDIEEntry - Creates a new DIEEntry to be a proxy for a debug
- /// information entry.
- DIEEntry *createDIEEntry(DIE *Entry);
-
- /// resolve - Look in the DwarfDebug map for the MDNode that
- /// corresponds to the reference.
- template <typename T> T resolve(DIRef<T> Ref) const {
- return DD->resolve(Ref);
- }
+ /// \brief Creates a new DIEEntry to be a proxy for a debug information
+ /// entry.
+ DIEEntry *createDIEEntry(DIE &Entry);
/// 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(const MDScope *Context, const MDType *Ty,
+ const DIE &TyDIE);
-class DwarfCompileUnit : public DwarfUnit {
- /// The attribute index of DW_AT_stmt_list in the compile unit DIE, avoiding
- /// the need to search for it in applyStmtList.
- unsigned stmtListIndex;
-
-public:
- DwarfCompileUnit(unsigned UID, DIE *D, DICompileUnit Node, AsmPrinter *A,
- DwarfDebug *DW, DwarfFile *DWU);
-
- void initStmtList(MCSymbol *DwarfLineSectionSym);
-
- /// Apply the DW_AT_stmt_list from this compile unit to the specified DIE.
- void applyStmtList(DIE &D);
-
- /// 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);
-
- DwarfCompileUnit &getCU() override { return *this; }
+ virtual bool isDwoUnit() const = 0;
};
class DwarfTypeUnit : public DwarfUnit {
-private:
uint64_t TypeSignature;
const DIE *Ty;
DwarfCompileUnit &CU;
+ MCDwarfDwoLineTable *SplitLineTable;
+
+ unsigned getOrCreateSourceID(StringRef File, StringRef Directory) override;
+ bool isDwoUnit() const override;
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(bool UseOffsets) override;
unsigned getHeaderSize() const override {
return DwarfUnit::getHeaderSize() + sizeof(uint64_t) + // Type Signature
sizeof(uint32_t); // Type DIE Offset
}
- void initSection(const MCSection *Section);
DwarfCompileUnit &getCU() override { return CU; }
};
} // end llvm namespace
projects / oota-llvm.git / blobdiff