#ifndef CODEGEN_ASMPRINTER_DIE_H__
#define CODEGEN_ASMPRINTER_DIE_H__
-#include "DwarfLabel.h"
#include "llvm/ADT/FoldingSet.h"
#include "llvm/ADT/SmallVector.h"
#include "llvm/Support/Compiler.h"
namespace llvm {
class AsmPrinter;
- class Dwarf;
- class TargetData;
+ class MCSymbol;
+ class raw_ostream;
//===--------------------------------------------------------------------===//
/// DIEAbbrevData - Dwarf abbreviation data, describes the one attribute of a
/// Data - Raw data bytes for abbreviation.
///
SmallVector<DIEAbbrevData, 8> Data;
+
public:
DIEAbbrev(unsigned T, unsigned C) : Tag(T), ChildrenFlag(C), Data() {}
virtual ~DIEAbbrev() {}
/// Emit - Print the abbreviation using the specified asm printer.
///
- void Emit(const AsmPrinter *Asm) const;
+ void Emit(AsmPrinter *AP) const;
#ifndef NDEBUG
void print(raw_ostream &O);
//===--------------------------------------------------------------------===//
/// DIE - A structured debug information entry. Has an abbreviation which
/// describes it's organization.
- class CompileUnit;
class DIEValue;
- class DIE : public FoldingSetNode {
+ class DIE {
protected:
/// Abbrev - Buffer for constructing abbreviation.
///
///
std::vector<DIE *> Children;
+ DIE *Parent;
+
/// Attributes values.
///
SmallVector<DIEValue*, 32> Values;
- /// Abstract compile unit.
- CompileUnit *AbstractCU;
-
// Private data for print()
mutable unsigned IndentCount;
public:
explicit DIE(unsigned Tag)
: Abbrev(Tag, dwarf::DW_CHILDREN_no), Offset(0),
- Size(0), IndentCount(0) {}
+ Size(0), Parent (0), IndentCount(0) {}
virtual ~DIE();
// Accessors.
unsigned getOffset() const { return Offset; }
unsigned getSize() const { return Size; }
const std::vector<DIE *> &getChildren() const { return Children; }
- SmallVector<DIEValue*, 32> &getValues() { return Values; }
- CompileUnit *getAbstractCompileUnit() const { return AbstractCU; }
-
+ const SmallVector<DIEValue*, 32> &getValues() const { return Values; }
+ DIE *getParent() const { return Parent; }
void setTag(unsigned Tag) { Abbrev.setTag(Tag); }
void setOffset(unsigned O) { Offset = O; }
void setSize(unsigned S) { Size = S; }
- void setAbstractCompileUnit(CompileUnit *CU) { AbstractCU = CU; }
-
- /// AddValue - Add a value and attributes to a DIE.
+
+ /// addValue - Add a value and attributes to a DIE.
///
- void AddValue(unsigned Attribute, unsigned Form, DIEValue *Value) {
+ void addValue(unsigned Attribute, unsigned Form, DIEValue *Value) {
Abbrev.AddAttribute(Attribute, Form);
Values.push_back(Value);
}
/// SiblingOffset - Return the offset of the debug information entry's
/// sibling.
- unsigned SiblingOffset() const { return Offset + Size; }
+ unsigned getSiblingOffset() const { return Offset + Size; }
- /// AddSiblingOffset - Add a sibling offset field to the front of the DIE.
+ /// addSiblingOffset - Add a sibling offset field to the front of the DIE.
+ /// The caller is responsible for deleting the return value at or after the
+ /// same time it destroys this DIE.
///
- void AddSiblingOffset();
+ DIEValue *addSiblingOffset(BumpPtrAllocator &A);
- /// AddChild - Add a child to the DIE.
+ /// addChild - Add a child to the DIE.
///
- void AddChild(DIE *Child) {
+ void addChild(DIE *Child) {
+ if (Child->getParent()) {
+ assert (Child->getParent() == this && "Unexpected DIE Parent!");
+ return;
+ }
Abbrev.setChildrenFlag(dwarf::DW_CHILDREN_yes);
Children.push_back(Child);
+ Child->Parent = this;
}
- /// Detach - Detaches objects connected to it after copying.
- ///
- void Detach() {
- Children.clear();
- }
-
- /// Profile - Used to gather unique data for the value folding set.
- ///
- void Profile(FoldingSetNodeID &ID) ;
-
#ifndef NDEBUG
void print(raw_ostream &O, unsigned IncIndent = 0);
void dump();
//===--------------------------------------------------------------------===//
/// DIEValue - A debug information entry value.
///
- class DIEValue : public FoldingSetNode {
+ class DIEValue {
public:
enum {
isInteger,
isString,
isLabel,
- isAsIsLabel,
isSectionOffset,
isDelta,
isEntry,
/// EmitValue - Emit value via the Dwarf writer.
///
- virtual void EmitValue(Dwarf *D, unsigned Form) const = 0;
+ virtual void EmitValue(AsmPrinter *AP, unsigned Form) const = 0;
/// SizeOf - Return the size of a value in bytes.
///
- virtual unsigned SizeOf(const TargetData *TD, unsigned Form) const = 0;
-
- /// Profile - Used to gather unique data for the value folding set.
- ///
- virtual void Profile(FoldingSetNodeID &ID) = 0;
+ virtual unsigned SizeOf(AsmPrinter *AP, unsigned Form) const = 0;
// Implement isa/cast/dyncast.
static bool classof(const DIEValue *) { return true; }
/// EmitValue - Emit integer of appropriate size.
///
- virtual void EmitValue(Dwarf *D, unsigned Form) const;
+ virtual void EmitValue(AsmPrinter *AP, unsigned Form) const;
- /// SizeOf - Determine size of integer value in bytes.
- ///
- virtual unsigned SizeOf(const TargetData *TD, unsigned Form) const;
+ uint64_t getValue() const { return Integer; }
- /// Profile - Used to gather unique data for the value folding set.
+ /// SizeOf - Determine size of integer value in bytes.
///
- static void Profile(FoldingSetNodeID &ID, unsigned Int);
- virtual void Profile(FoldingSetNodeID &ID);
+ virtual unsigned SizeOf(AsmPrinter *AP, unsigned Form) const;
// Implement isa/cast/dyncast.
static bool classof(const DIEInteger *) { return true; }
};
//===--------------------------------------------------------------------===//
- /// DIEString - A string value DIE.
+ /// DIEString - A string value DIE. This DIE keeps string reference only.
///
class DIEString : public DIEValue {
- const std::string Str;
+ const StringRef Str;
public:
- explicit DIEString(const std::string &S) : DIEValue(isString), Str(S) {}
+ explicit DIEString(const StringRef S) : DIEValue(isString), Str(S) {}
/// EmitValue - Emit string value.
///
- virtual void EmitValue(Dwarf *D, unsigned Form) const;
+ virtual void EmitValue(AsmPrinter *AP, unsigned Form) const;
/// SizeOf - Determine size of string value in bytes.
///
- virtual unsigned SizeOf(const TargetData *, unsigned /*Form*/) const {
+ virtual unsigned SizeOf(AsmPrinter *AP, unsigned /*Form*/) const {
return Str.size() + sizeof(char); // sizeof('\0');
}
- /// Profile - Used to gather unique data for the value folding set.
- ///
- static void Profile(FoldingSetNodeID &ID, const std::string &Str);
- virtual void Profile(FoldingSetNodeID &ID);
-
// Implement isa/cast/dyncast.
static bool classof(const DIEString *) { return true; }
static bool classof(const DIEValue *S) { return S->getType() == isString; }
};
//===--------------------------------------------------------------------===//
- /// DIEDwarfLabel - A Dwarf internal label expression DIE.
+ /// DIELabel - A label expression DIE.
//
- class DIEDwarfLabel : public DIEValue {
- const DWLabel Label;
+ class DIELabel : public DIEValue {
+ const MCSymbol *Label;
public:
- explicit DIEDwarfLabel(const DWLabel &L) : DIEValue(isLabel), Label(L) {}
+ explicit DIELabel(const MCSymbol *L) : DIEValue(isLabel), Label(L) {}
/// EmitValue - Emit label value.
///
- virtual void EmitValue(Dwarf *D, unsigned Form) const;
-
- /// SizeOf - Determine size of label value in bytes.
- ///
- virtual unsigned SizeOf(const TargetData *TD, unsigned Form) const;
+ virtual void EmitValue(AsmPrinter *AP, unsigned Form) const;
- /// Profile - Used to gather unique data for the value folding set.
+ /// getValue - Get MCSymbol.
///
- static void Profile(FoldingSetNodeID &ID, const DWLabel &Label);
- virtual void Profile(FoldingSetNodeID &ID);
-
- // Implement isa/cast/dyncast.
- static bool classof(const DIEDwarfLabel *) { return true; }
- static bool classof(const DIEValue *L) { return L->getType() == isLabel; }
-
-#ifndef NDEBUG
- virtual void print(raw_ostream &O);
-#endif
- };
-
- //===--------------------------------------------------------------------===//
- /// DIEObjectLabel - A label to an object in code or data.
- //
- class DIEObjectLabel : public DIEValue {
- const std::string Label;
- public:
- explicit DIEObjectLabel(const std::string &L)
- : DIEValue(isAsIsLabel), Label(L) {}
-
- /// EmitValue - Emit label value.
- ///
- virtual void EmitValue(Dwarf *D, unsigned Form) const;
+ const MCSymbol *getValue() const { return Label; }
/// SizeOf - Determine size of label value in bytes.
///
- virtual unsigned SizeOf(const TargetData *TD, unsigned Form) const;
-
- /// Profile - Used to gather unique data for the value folding set.
- ///
- static void Profile(FoldingSetNodeID &ID, const std::string &Label);
- virtual void Profile(FoldingSetNodeID &ID);
-
- // Implement isa/cast/dyncast.
- static bool classof(const DIEObjectLabel *) { return true; }
- static bool classof(const DIEValue *L) {
- return L->getType() == isAsIsLabel;
- }
-
-#ifndef NDEBUG
- virtual void print(raw_ostream &O);
-#endif
- };
-
- //===--------------------------------------------------------------------===//
- /// DIESectionOffset - A section offset DIE.
- ///
- class DIESectionOffset : public DIEValue {
- const DWLabel Label;
- const DWLabel Section;
- bool IsEH : 1;
- bool UseSet : 1;
- public:
- DIESectionOffset(const DWLabel &Lab, const DWLabel &Sec,
- bool isEH = false, bool useSet = true)
- : DIEValue(isSectionOffset), Label(Lab), Section(Sec),
- IsEH(isEH), UseSet(useSet) {}
-
- /// EmitValue - Emit section offset.
- ///
- virtual void EmitValue(Dwarf *D, unsigned Form) const;
-
- /// SizeOf - Determine size of section offset value in bytes.
- ///
- virtual unsigned SizeOf(const TargetData *TD, unsigned Form) const;
-
- /// Profile - Used to gather unique data for the value folding set.
- ///
- static void Profile(FoldingSetNodeID &ID, const DWLabel &Label,
- const DWLabel &Section);
- virtual void Profile(FoldingSetNodeID &ID);
+ virtual unsigned SizeOf(AsmPrinter *AP, unsigned Form) const;
// Implement isa/cast/dyncast.
- static bool classof(const DIESectionOffset *) { return true; }
- static bool classof(const DIEValue *D) {
- return D->getType() == isSectionOffset;
- }
+ static bool classof(const DIELabel *) { return true; }
+ static bool classof(const DIEValue *L) { return L->getType() == isLabel; }
#ifndef NDEBUG
virtual void print(raw_ostream &O);
/// DIEDelta - A simple label difference DIE.
///
class DIEDelta : public DIEValue {
- const DWLabel LabelHi;
- const DWLabel LabelLo;
+ const MCSymbol *LabelHi;
+ const MCSymbol *LabelLo;
public:
- DIEDelta(const DWLabel &Hi, const DWLabel &Lo)
+ DIEDelta(const MCSymbol *Hi, const MCSymbol *Lo)
: DIEValue(isDelta), LabelHi(Hi), LabelLo(Lo) {}
/// EmitValue - Emit delta value.
///
- virtual void EmitValue(Dwarf *D, unsigned Form) const;
+ virtual void EmitValue(AsmPrinter *AP, unsigned Form) const;
/// SizeOf - Determine size of delta value in bytes.
///
- virtual unsigned SizeOf(const TargetData *TD, unsigned Form) const;
-
- /// Profile - Used to gather unique data for the value folding set.
- ///
- static void Profile(FoldingSetNodeID &ID, const DWLabel &LabelHi,
- const DWLabel &LabelLo);
- virtual void Profile(FoldingSetNodeID &ID);
+ virtual unsigned SizeOf(AsmPrinter *AP, unsigned Form) const;
// Implement isa/cast/dyncast.
static bool classof(const DIEDelta *) { return true; }
/// this class can also be used as a proxy for a debug information entry not
/// yet defined (ie. types.)
class DIEEntry : public DIEValue {
- DIE *Entry;
+ DIE *const Entry;
public:
explicit DIEEntry(DIE *E) : DIEValue(isEntry), Entry(E) {}
DIE *getEntry() const { return Entry; }
- void setEntry(DIE *E) { Entry = E; }
/// EmitValue - Emit debug information entry offset.
///
- virtual void EmitValue(Dwarf *D, unsigned Form) const;
+ virtual void EmitValue(AsmPrinter *AP, unsigned Form) const;
/// SizeOf - Determine size of debug information entry in bytes.
///
- virtual unsigned SizeOf(const TargetData *TD, unsigned Form) const {
+ virtual unsigned SizeOf(AsmPrinter *AP, unsigned Form) const {
return sizeof(int32_t);
}
- /// Profile - Used to gather unique data for the value folding set.
- ///
- static void Profile(FoldingSetNodeID &ID, DIE *Entry);
- virtual void Profile(FoldingSetNodeID &ID);
-
// Implement isa/cast/dyncast.
static bool classof(const DIEEntry *) { return true; }
static bool classof(const DIEValue *E) { return E->getType() == isEntry; }
/// ComputeSize - calculate the size of the block.
///
- unsigned ComputeSize(const TargetData *TD);
+ unsigned ComputeSize(AsmPrinter *AP);
/// BestForm - Choose the best form for data.
///
/// EmitValue - Emit block data.
///
- virtual void EmitValue(Dwarf *D, unsigned Form) const;
+ virtual void EmitValue(AsmPrinter *AP, unsigned Form) const;
/// SizeOf - Determine size of block data in bytes.
///
- virtual unsigned SizeOf(const TargetData *TD, unsigned Form) const;
-
- /// Profile - Used to gather unique data for the value folding set.
- ///
- virtual void Profile(FoldingSetNodeID &ID);
+ virtual unsigned SizeOf(AsmPrinter *AP, unsigned Form) const;
// Implement isa/cast/dyncast.
static bool classof(const DIEBlock *) { return true; }
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