#define LLVM_LIB_CODEGEN_ASMPRINTER_DWARFCOMPILEUNIT_H
#include "DwarfUnit.h"
-#include "llvm/Support/Dwarf.h"
#include "llvm/ADT/StringRef.h"
#include "llvm/IR/DebugInfo.h"
+#include "llvm/Support/Dwarf.h"
namespace llvm {
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;
+ DIE::value_iterator StmtListValue;
/// Skeleton unit associated with this unit.
DwarfCompileUnit *Skeleton;
- /// 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;
+ typedef llvm::SmallVector<const MDNode *, 8> ImportedEntityList;
+ typedef llvm::DenseMap<const MDNode *, ImportedEntityList>
+ ImportedEntityMap;
+
+ ImportedEntityMap ImportedEntities;
+
/// 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;
+ // List of range lists for a given compile unit, separate from the ranges for
+ // the CU itself.
+ SmallVector<RangeSpanList, 1> CURangeLists;
+
+ // List of ranges for a given compile unit.
+ SmallVector<RangeSpan, 2> CURanges;
+
+ // The base address of this unit, if any. Used for relative references in
+ // ranges/locs.
+ const MCSymbol *BaseAddress;
+
/// \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);
+ DIE *constructVariableDIEImpl(const DbgVariable &DV, bool Abstract);
+
+ bool isDwoUnit() const override;
+
+ bool includeMinimalInlineScopes() const;
public:
- DwarfCompileUnit(unsigned UID, DICompileUnit Node, AsmPrinter *A,
+ DwarfCompileUnit(unsigned UID, const DICompileUnit *Node, AsmPrinter *A,
DwarfDebug *DW, DwarfFile *DWU);
DwarfCompileUnit *getSkeleton() const {
return Skeleton;
}
- void initStmtList(MCSymbol *DwarfLineSectionSym);
+ void initStmtList();
/// Apply the DW_AT_stmt_list from this compile unit to the specified DIE.
void applyStmtList(DIE &D);
/// getOrCreateGlobalVariableDIE - get or create global variable DIE.
- DIE *getOrCreateGlobalVariableDIE(DIGlobalVariable GV);
+ DIE *getOrCreateGlobalVariableDIE(const DIGlobalVariable *GV);
/// addLabelAddress - Add a dwarf label attribute data and value using
/// either DW_FORM_addr or DW_FORM_GNU_addr_index.
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);
+ DIE::value_iterator addSectionDelta(DIE &Die, dwarf::Attribute Attribute,
+ const MCSymbol *Hi, const MCSymbol *Lo);
DwarfCompileUnit &getCU() override { return *this; }
unsigned getOrCreateSourceID(StringRef FileName, StringRef DirName) override;
+ void addImportedEntity(const DIImportedEntity* IE) {
+ ImportedEntities[IE->getScope()].push_back(IE);
+ }
+
/// addRange - Add an address range to the list of ranges for this unit.
void addRange(RangeSpan Range);
/// addSectionLabel - Add a Dwarf section label attribute data and value.
///
- void addSectionLabel(DIE &Die, dwarf::Attribute Attribute,
- const MCSymbol *Label, const MCSymbol *Sec);
+ DIE::value_iterator addSectionLabel(DIE &Die, dwarf::Attribute Attribute,
+ const MCSymbol *Label,
+ const MCSymbol *Sec);
/// \brief Find DIE for the given subprogram and attach appropriate
/// DW_AT_low_pc and DW_AT_high_pc attributes. If there are global
/// variables in this scope then create and insert DIEs for these
/// variables.
- DIE &updateSubprogramScopeDIE(DISubprogram SP);
+ DIE &updateSubprogramScopeDIE(const DISubprogram *SP);
void constructScopeDIE(LexicalScope *Scope,
- SmallVectorImpl<std::unique_ptr<DIE>> &FinalChildren);
+ SmallVectorImpl<DIE *> &FinalChildren);
/// \brief A helper function to construct a RangeSpanList for a given
/// lexical scope.
- void addScopeRangeList(DIE &ScopeDIE,
- const SmallVectorImpl<InsnRange> &Range);
+ void addScopeRangeList(DIE &ScopeDIE, SmallVector<RangeSpan, 2> Range);
+
+ void attachRangesOrLowHighPC(DIE &D, SmallVector<RangeSpan, 2> Ranges);
void attachRangesOrLowHighPC(DIE &D,
const SmallVectorImpl<InsnRange> &Ranges);
-
/// \brief This scope represents inlined body of a function. Construct
/// DIE to represent this concrete inlined copy of the function.
- std::unique_ptr<DIE> constructInlinedScopeDIE(LexicalScope *Scope);
+ DIE *constructInlinedScopeDIE(LexicalScope *Scope);
/// \brief Construct new DW_TAG_lexical_block for this scope and
/// attach DW_AT_low_pc/DW_AT_high_pc labels.
- std::unique_ptr<DIE> constructLexicalScopeDIE(LexicalScope *Scope);
+ DIE *constructLexicalScopeDIE(LexicalScope *Scope);
/// constructVariableDIE - Construct a DIE for the given DbgVariable.
- std::unique_ptr<DIE> constructVariableDIE(DbgVariable &DV,
- bool Abstract = false);
+ DIE *constructVariableDIE(DbgVariable &DV, bool Abstract = false);
- std::unique_ptr<DIE> constructVariableDIE(DbgVariable &DV,
- const LexicalScope &Scope,
- DIE *&ObjectPointer);
+ DIE *constructVariableDIE(DbgVariable &DV, const LexicalScope &Scope,
+ DIE *&ObjectPointer);
/// A helper function to create children of a Scope DIE.
DIE *createScopeChildrenDIE(LexicalScope *Scope,
- SmallVectorImpl<std::unique_ptr<DIE>> &Children,
+ SmallVectorImpl<DIE *> &Children,
unsigned *ChildScopeCount = nullptr);
/// \brief Construct a DIE for this subprogram scope.
void constructAbstractSubprogramScopeDIE(LexicalScope *Scope);
/// \brief Construct import_module DIE.
- std::unique_ptr<DIE>
- constructImportedEntityDIE(const DIImportedEntity &Module);
+ DIE *constructImportedEntityDIE(const DIImportedEntity *Module);
- void finishSubprogramDefinition(DISubprogram SP);
+ void finishSubprogramDefinition(const DISubprogram *SP);
- void collectDeadVariables(DISubprogram SP);
+ void collectDeadVariables(const DISubprogram *SP);
/// Set the skeleton unit associated with this unit.
void setSkeleton(DwarfCompileUnit &Skel) { Skeleton = &Skel; }
- MCSymbol *getSectionSym() const {
+ const MCSymbol *getSectionSym() const {
assert(Section);
- return SectionSym;
- }
-
- /// 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) {
- DwarfUnit::initSection(Section);
- this->SectionSym = SectionSym;
-
- // Don't bother labeling the .dwo unit, as its offset isn't used.
- if (!Skeleton)
- LabelBegin =
- Asm->GetTempSymbol(Section->getLabelBeginName(), getUniqueID());
+ return Section->getBeginSymbol();
}
unsigned getLength() {
getHeaderSize() + UnitDie.getSize();
}
- void emitHeader(const MCSymbol *ASectionSym) const override;
+ void emitHeader(bool UseOffsets) override;
MCSymbol *getLabelBegin() const {
assert(Section);
}
/// Add a new global name to the compile unit.
- void addGlobalName(StringRef Name, DIE &Die, DIScope Context) override;
+ void addGlobalName(StringRef Name, DIE &Die, const DIScope *Context) override;
/// Add a new global type to the compile unit.
- void addGlobalType(DIType Ty, const DIE &Die, DIScope Context) override;
+ void addGlobalType(const DIType *Ty, const DIE &Die,
+ const DIScope *Context) override;
const StringMap<const DIE *> &getGlobalNames() const { return GlobalNames; }
const StringMap<const DIE *> &getGlobalTypes() const { return GlobalTypes; }
/// MachineLocation.
void addVariableAddress(const DbgVariable &DV, DIE &Die,
MachineLocation Location);
+ /// Add an address attribute to a die based on the location provided.
+ void addAddress(DIE &Die, dwarf::Attribute Attribute,
+ const MachineLocation &Location);
+
+ /// 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);
+
+ /// Add a Dwarf loclistptr attribute data and value.
+ void addLocationList(DIE &Die, dwarf::Attribute Attribute, unsigned Index);
+ void applyVariableAttributes(const DbgVariable &Var, DIE &VariableDie);
+
+ /// Add a Dwarf expression attribute data and value.
+ void addExpr(DIELoc &Die, dwarf::Form Form, const MCExpr *Expr);
+
+ void applySubprogramAttributesToDefinition(const DISubprogram *SP,
+ DIE &SPDie);
+
+ /// getRangeLists - Get the vector of range lists.
+ const SmallVectorImpl<RangeSpanList> &getRangeLists() const {
+ return (Skeleton ? Skeleton : this)->CURangeLists;
+ }
+
+ /// getRanges - Get the list of ranges for this unit.
+ const SmallVectorImpl<RangeSpan> &getRanges() const { return CURanges; }
+ SmallVector<RangeSpan, 2> takeRanges() { return std::move(CURanges); }
+
+ void setBaseAddress(const MCSymbol *Base) { BaseAddress = Base; }
+ const MCSymbol *getBaseAddress() const { return BaseAddress; }
};
} // end llvm namespace
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