#include "llvm/ADT/FoldingSet.h"
#include "llvm/ADT/SmallVector.h"
-#include "llvm/MC/MCExpr.h"
-#include "llvm/Support/Compiler.h"
#include "llvm/Support/Dwarf.h"
#include <vector>
namespace llvm {
class AsmPrinter;
+class MCExpr;
class MCSymbol;
-class MCSymbolRefExpr;
class raw_ostream;
class DwarfTypeUnit;
/// Children DIEs.
///
- std::vector<DIE *> Children;
+ std::vector<std::unique_ptr<DIE>> Children;
DIE *Parent;
///
SmallVector<DIEValue *, 12> Values;
+protected:
+ DIE()
+ : Offset(0), Size(0), Abbrev((dwarf::Tag)0, dwarf::DW_CHILDREN_no),
+ Parent(nullptr) {}
+
public:
- explicit DIE(unsigned Tag)
+ explicit DIE(dwarf::Tag Tag)
: Offset(0), Size(0), Abbrev((dwarf::Tag)Tag, dwarf::DW_CHILDREN_no),
- Parent(0) {}
- ~DIE();
+ Parent(nullptr) {}
// Accessors.
DIEAbbrev &getAbbrev() { return Abbrev; }
dwarf::Tag getTag() const { return Abbrev.getTag(); }
unsigned getOffset() const { return Offset; }
unsigned getSize() const { return Size; }
- const std::vector<DIE *> &getChildren() const { return Children; }
+ const std::vector<std::unique_ptr<DIE>> &getChildren() const {
+ return Children;
+ }
const SmallVectorImpl<DIEValue *> &getValues() const { return Values; }
DIE *getParent() const { return Parent; }
/// Climb up the parent chain to get the compile or type unit DIE this DIE
void addChild(DIE *Child) {
assert(!Child->getParent());
Abbrev.setChildrenFlag(dwarf::DW_CHILDREN_yes);
- Children.push_back(Child);
+ Children.push_back(std::unique_ptr<DIE>(Child));
Child->Parent = this;
}
isEntry,
isTypeSignature,
isBlock,
- isLoc
+ isLoc,
+ isLocList,
};
protected:
/// EmitValue - Emit integer of appropriate size.
///
- virtual void EmitValue(AsmPrinter *AP, dwarf::Form Form) const;
+ void EmitValue(AsmPrinter *AP, dwarf::Form Form) const override;
uint64_t getValue() const { return Integer; }
/// SizeOf - Determine size of integer value in bytes.
///
- virtual unsigned SizeOf(AsmPrinter *AP, dwarf::Form Form) const;
+ unsigned SizeOf(AsmPrinter *AP, dwarf::Form Form) const override;
// Implement isa/cast/dyncast.
static bool classof(const DIEValue *I) { return I->getType() == isInteger; }
#ifndef NDEBUG
- virtual void print(raw_ostream &O) const;
+ void print(raw_ostream &O) const override;
#endif
};
/// EmitValue - Emit expression value.
///
- virtual void EmitValue(AsmPrinter *AP, dwarf::Form Form) const;
+ void EmitValue(AsmPrinter *AP, dwarf::Form Form) const override;
/// getValue - Get MCExpr.
///
/// SizeOf - Determine size of expression value in bytes.
///
- virtual unsigned SizeOf(AsmPrinter *AP, dwarf::Form Form) const;
+ unsigned SizeOf(AsmPrinter *AP, dwarf::Form Form) const override;
// Implement isa/cast/dyncast.
static bool classof(const DIEValue *E) { return E->getType() == isExpr; }
#ifndef NDEBUG
- virtual void print(raw_ostream &O) const;
+ void print(raw_ostream &O) const override;
#endif
};
/// EmitValue - Emit label value.
///
- virtual void EmitValue(AsmPrinter *AP, dwarf::Form Form) const;
+ void EmitValue(AsmPrinter *AP, dwarf::Form Form) const override;
/// getValue - Get MCSymbol.
///
/// SizeOf - Determine size of label value in bytes.
///
- virtual unsigned SizeOf(AsmPrinter *AP, dwarf::Form Form) const;
+ unsigned SizeOf(AsmPrinter *AP, dwarf::Form Form) const override;
// Implement isa/cast/dyncast.
static bool classof(const DIEValue *L) { return L->getType() == isLabel; }
#ifndef NDEBUG
- virtual void print(raw_ostream &O) const;
+ void print(raw_ostream &O) const override;
#endif
};
/// EmitValue - Emit delta value.
///
- virtual void EmitValue(AsmPrinter *AP, dwarf::Form Form) const;
+ void EmitValue(AsmPrinter *AP, dwarf::Form Form) const override;
/// SizeOf - Determine size of delta value in bytes.
///
- virtual unsigned SizeOf(AsmPrinter *AP, dwarf::Form Form) const;
+ unsigned SizeOf(AsmPrinter *AP, dwarf::Form Form) const override;
// Implement isa/cast/dyncast.
static bool classof(const DIEValue *D) { return D->getType() == isDelta; }
#ifndef NDEBUG
- virtual void print(raw_ostream &O) const;
+ void print(raw_ostream &O) const override;
#endif
};
/// EmitValue - Emit delta value.
///
- virtual void EmitValue(AsmPrinter *AP, dwarf::Form Form) const;
+ void EmitValue(AsmPrinter *AP, dwarf::Form Form) const override;
/// SizeOf - Determine size of delta value in bytes.
///
- virtual unsigned SizeOf(AsmPrinter *AP, dwarf::Form Form) const;
+ unsigned SizeOf(AsmPrinter *AP, dwarf::Form Form) const override;
// Implement isa/cast/dyncast.
static bool classof(const DIEValue *D) { return D->getType() == isString; }
#ifndef NDEBUG
- virtual void print(raw_ostream &O) const;
+ void print(raw_ostream &O) const override;
#endif
};
/// EmitValue - Emit debug information entry offset.
///
- virtual void EmitValue(AsmPrinter *AP, dwarf::Form Form) const;
+ void EmitValue(AsmPrinter *AP, dwarf::Form Form) const override;
/// SizeOf - Determine size of debug information entry in bytes.
///
- virtual unsigned SizeOf(AsmPrinter *AP, dwarf::Form Form) const {
+ unsigned SizeOf(AsmPrinter *AP, dwarf::Form Form) const override {
return Form == dwarf::DW_FORM_ref_addr ? getRefAddrSize(AP)
: sizeof(int32_t);
}
static bool classof(const DIEValue *E) { return E->getType() == isEntry; }
#ifndef NDEBUG
- virtual void print(raw_ostream &O) const;
+ void print(raw_ostream &O) const override;
#endif
};
: DIEValue(isTypeSignature), Unit(Unit) {}
/// \brief Emit type unit signature.
- virtual void EmitValue(AsmPrinter *Asm, dwarf::Form Form) const;
+ void EmitValue(AsmPrinter *Asm, dwarf::Form Form) const override;
/// Returns size of a ref_sig8 entry.
- virtual unsigned SizeOf(AsmPrinter *AP, dwarf::Form Form) const {
+ unsigned SizeOf(AsmPrinter *AP, dwarf::Form Form) const override {
assert(Form == dwarf::DW_FORM_ref_sig8);
return 8;
}
return E->getType() == isTypeSignature;
}
#ifndef NDEBUG
- virtual void print(raw_ostream &O) const;
+ void print(raw_ostream &O) const override;
void dump() const;
#endif
};
class DIELoc : public DIEValue, public DIE {
mutable unsigned Size; // Size in bytes excluding size header.
public:
- DIELoc() : DIEValue(isLoc), DIE(0), Size(0) {}
+ DIELoc() : DIEValue(isLoc), Size(0) {}
/// ComputeSize - Calculate the size of the location expression.
///
/// EmitValue - Emit location data.
///
- virtual void EmitValue(AsmPrinter *AP, dwarf::Form Form) const;
+ void EmitValue(AsmPrinter *AP, dwarf::Form Form) const override;
/// SizeOf - Determine size of location data in bytes.
///
- virtual unsigned SizeOf(AsmPrinter *AP, dwarf::Form Form) const;
+ unsigned SizeOf(AsmPrinter *AP, dwarf::Form Form) const override;
// Implement isa/cast/dyncast.
static bool classof(const DIEValue *E) { return E->getType() == isLoc; }
#ifndef NDEBUG
- virtual void print(raw_ostream &O) const;
+ void print(raw_ostream &O) const override;
#endif
};
class DIEBlock : public DIEValue, public DIE {
mutable unsigned Size; // Size in bytes excluding size header.
public:
- DIEBlock() : DIEValue(isBlock), DIE(0), Size(0) {}
+ DIEBlock() : DIEValue(isBlock), Size(0) {}
/// ComputeSize - Calculate the size of the location expression.
///
/// EmitValue - Emit location data.
///
- virtual void EmitValue(AsmPrinter *AP, dwarf::Form Form) const;
+ void EmitValue(AsmPrinter *AP, dwarf::Form Form) const override;
/// SizeOf - Determine size of location data in bytes.
///
- virtual unsigned SizeOf(AsmPrinter *AP, dwarf::Form Form) const;
+ unsigned SizeOf(AsmPrinter *AP, dwarf::Form Form) const override;
// Implement isa/cast/dyncast.
static bool classof(const DIEValue *E) { return E->getType() == isBlock; }
#ifndef NDEBUG
- virtual void print(raw_ostream &O) const;
+ void print(raw_ostream &O) const override;
+#endif
+};
+
+//===--------------------------------------------------------------------===//
+/// DIELocList - Represents a pointer to a location list in the debug_loc
+/// section.
+//
+class DIELocList : public DIEValue {
+ // Index into the .debug_loc vector.
+ size_t Index;
+
+public:
+ DIELocList(size_t I) : DIEValue(isLocList), Index(I) {}
+
+ /// getValue - Grab the current index out.
+ size_t getValue() const { return Index; }
+
+ /// EmitValue - Emit location data.
+ ///
+ void EmitValue(AsmPrinter *AP, dwarf::Form Form) const override;
+
+ /// SizeOf - Determine size of location data in bytes.
+ ///
+ unsigned SizeOf(AsmPrinter *AP, dwarf::Form Form) const override;
+
+ // Implement isa/cast/dyncast.
+ static bool classof(const DIEValue *E) { return E->getType() == isLocList; }
+
+#ifndef NDEBUG
+ void print(raw_ostream &O) const override;
#endif
};
+
} // end llvm namespace
#endif