#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/StringMap.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"
-#include "llvm/MC/MCDwarf.h"
namespace llvm {
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); }
/// 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;
-
/// DIEBlocks - A list of all the DIEBlocks in use.
std::vector<DIEBlock *> DIEBlocks;
/// 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;
-
// DIEValueAllocator - All DIEValues are allocated through this allocator.
BumpPtrAllocator DIEValueAllocator;
/// 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;
+ DwarfUnit(unsigned UID, dwarf::Tag, DICompileUnit CU, AsmPrinter *A,
+ DwarfDebug *DW, DwarfFile *DWU);
- /// The start of the unit within its section.
- MCSymbol *LabelBegin;
+ void initSection(const MCSection *Section);
- /// The end of the unit within its section.
- MCSymbol *LabelEnd;
+ /// Add a string attribute data and value.
+ 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, dwarf::Tag, 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());
- }
-
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;
- }
-
// Accessors.
+ AsmPrinter* getAsmPrinter() const { return Asm; }
unsigned getUniqueID() const { return UniqueID; }
uint16_t getLanguage() const { return CUNode.getLanguage(); }
DICompileUnit getCUNode() const { return CUNode; }
DIE &getUnitDie() { return UnitDie; }
- const StringMap<const DIE *> &getGlobalNames() const { return GlobalNames; }
- const StringMap<const DIE *> &getGlobalTypes() const { return GlobalTypes; }
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(); }
- /// addRange - Add an address range to the list of ranges for this unit.
- void addRange(RangeSpan Range);
-
- /// getRanges - Get the list of ranges for this unit.
- const SmallVectorImpl<RangeSpan> &getRanges() const { return CURanges; }
- SmallVectorImpl<RangeSpan> &getRanges() { return CURanges; }
-
- /// addRangeList - Add an address range list to the list of range lists.
- void addRangeList(RangeSpanList Ranges) { CURangeLists.push_back(Ranges); }
-
- /// 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.
- ///
- void addGlobalName(StringRef Name, DIE &Die, DIScope Context);
+ /// Add a new global name to the compile unit.
+ virtual void addGlobalName(StringRef Name, DIE &Die, DIScope Context) {}
+
+ /// Add a new global type to the compile unit.
+ virtual void addGlobalType(DIType Ty, const DIE &Die, DIScope Context) {}
/// addAccelNamespace - Add a new name to the namespace accelerator table.
void addAccelNamespace(StringRef Name, const DIE &Die);
/// addString - Add a string attribute data and value.
void addString(DIE &Die, dwarf::Attribute Attribute, StringRef Str);
- /// addLocalString - Add a string attribute data and value.
- void addLocalString(DIE &Die, dwarf::Attribute Attribute,
- StringRef Str);
-
- /// 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,
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);
-
- /// 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);
/// 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);
-
/// addLabelDelta - Add a label delta attribute data and value.
void addLabelDelta(DIE &Die, dwarf::Attribute Attribute, const MCSymbol *Hi,
const MCSymbol *Lo);
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, DIType Ty);
/// addTemplateParams - Add template parameters in buffer.
void addTemplateParams(DIE &Buffer, DIArray TParams);
- /// addRegisterOp - Add register operand.
- void addRegisterOpPiece(DIELoc &TheDie, unsigned Reg,
+ /// \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);
- /// addRegisterOffset - Add register 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,
- 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
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.
DIE *getOrCreateNameSpace(DINameSpace NS);
/// getOrCreateSubprogramDIE - Create new DIE using SP.
- DIE *getOrCreateSubprogramDIE(DISubprogram SP);
+ DIE *getOrCreateSubprogramDIE(DISubprogram SP, bool Minimal = false);
- void applySubprogramAttributes(DISubprogram SP, DIE &SPDie);
- void applySubprogramAttributesToDefinition(DISubprogram SP, DIE &SPDie);
- void applyVariableAttributes(const DbgVariable &Var, DIE &VariableDie);
+ void applySubprogramAttributes(DISubprogram SP, DIE &SPDie,
+ bool Minimal = false);
/// getOrCreateTypeDIE - Find existing DIE or create new DIE for the
/// given DIType.
/// vtables.
void constructContainingTypeDIEs();
- /// constructVariableDIE - Construct a DIE for the given DbgVariable.
- std::unique_ptr<DIE> constructVariableDIE(DbgVariable &DV,
- bool Abstract = false);
-
/// constructSubprogramArguments - Construct function argument DIEs.
void constructSubprogramArguments(DIE &Buffer, DITypeArray Args);
/// 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,
- bool Abstract);
+ /// 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);
+ }
+private:
/// constructTypeDIE - Construct basic type die from DIBasicType.
void constructTypeDIE(DIE &Buffer, DIBasicType BTy);
}
// getIndexTyDie - Get an anonymous type for index type.
- DIE *getIndexTyDie() { return IndexTyDie; }
+ DIE *getIndexTyDie();
// setIndexTyDie - Set D as anonymous type for index which can be reused
// later.
/// 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);
- }
-
/// 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 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, 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,
- 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;
+ 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, DwarfCompileUnit &CU, AsmPrinter *A,
DwarfDebug *DW, DwarfFile *DWU,
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
projects / oota-llvm.git / blobdiff