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Revert "AsmPrinter: Change DIEValue to be stored by value" 

This reverts commit r238349, since it caused some errors on bots:
  - std::is_trivially_copyable isn't available until GCC 5.0.
  - It was complaining about strict aliasing with my use of
    ArrayCharUnion.

llvm-svn: 238350
This commit is contained in:
Duncan P. N. Exon Smith 2015-05-27 19:30:27 +00:00
parent 7735b48a8b
commit 583bc03829
12 changed files with 542 additions and 512 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

337
llvm/include/llvm/CodeGen/DIE.h
View File

@ -104,14 +104,62 @@ public:
#endif
};
//===--------------------------------------------------------------------===//
/// DIEValue - A debug information entry value. Some of these roughly correlate
/// to DWARF attribute classes.
///
class DIEValue {
public:
enum Type {
isInteger,
isString,
isExpr,
isLabel,
isDelta,
isEntry,
isTypeSignature,
isBlock,
isLoc,
isLocList,
};
private:
/// Ty - Type of data stored in the value.
///
Type Ty;
protected:
explicit DIEValue(Type T) : Ty(T) {}
~DIEValue() {}
public:
// Accessors
Type getType() const { return Ty; }
/// EmitValue - Emit value via the Dwarf writer.
///
void EmitValue(const AsmPrinter *AP, dwarf::Form Form) const;
/// SizeOf - Return the size of a value in bytes.
///
unsigned SizeOf(const AsmPrinter *AP, dwarf::Form Form) const;
#ifndef NDEBUG
void print(raw_ostream &O) const;
void dump() const;
#endif
};
//===--------------------------------------------------------------------===//
/// DIEInteger - An integer value DIE.
///
class DIEInteger {
class DIEInteger : public DIEValue {
friend DIEValue;
uint64_t Integer;
public:
explicit DIEInteger(uint64_t I) : Integer(I) {}
explicit DIEInteger(uint64_t I) : DIEValue(isInteger), Integer(I) {}
/// BestForm - Choose the best form for integer.
///
@ -138,91 +186,120 @@ public:
uint64_t getValue() const { return Integer; }
void setValue(uint64_t Val) { Integer = Val; }
void EmitValue(const AsmPrinter *AP, dwarf::Form Form) const;
unsigned SizeOf(const AsmPrinter *AP, dwarf::Form Form) const;
// Implement isa/cast/dyncast.
static bool classof(const DIEValue *I) { return I->getType() == isInteger; }
private:
void EmitValueImpl(const AsmPrinter *AP, dwarf::Form Form) const;
unsigned SizeOfImpl(const AsmPrinter *AP, dwarf::Form Form) const;
#ifndef NDEBUG
void print(raw_ostream &O) const;
void printImpl(raw_ostream &O) const;
#endif
};
//===--------------------------------------------------------------------===//
/// DIEExpr - An expression DIE.
//
class DIEExpr {
class DIEExpr : public DIEValue {
friend class DIEValue;
const MCExpr *Expr;
public:
explicit DIEExpr(const MCExpr *E) : Expr(E) {}
explicit DIEExpr(const MCExpr *E) : DIEValue(isExpr), Expr(E) {}
/// getValue - Get MCExpr.
///
const MCExpr *getValue() const { return Expr; }
void EmitValue(const AsmPrinter *AP, dwarf::Form Form) const;
unsigned SizeOf(const AsmPrinter *AP, dwarf::Form Form) const;
// Implement isa/cast/dyncast.
static bool classof(const DIEValue *E) { return E->getType() == isExpr; }
private:
void EmitValueImpl(const AsmPrinter *AP, dwarf::Form Form) const;
unsigned SizeOfImpl(const AsmPrinter *AP, dwarf::Form Form) const;
#ifndef NDEBUG
void print(raw_ostream &O) const;
void printImpl(raw_ostream &O) const;
#endif
};
//===--------------------------------------------------------------------===//
/// DIELabel - A label DIE.
//
class DIELabel {
class DIELabel : public DIEValue {
friend class DIEValue;
const MCSymbol *Label;
public:
explicit DIELabel(const MCSymbol *L) : Label(L) {}
explicit DIELabel(const MCSymbol *L) : DIEValue(isLabel), Label(L) {}
/// getValue - Get MCSymbol.
///
const MCSymbol *getValue() const { return Label; }
void EmitValue(const AsmPrinter *AP, dwarf::Form Form) const;
unsigned SizeOf(const AsmPrinter *AP, dwarf::Form Form) const;
// Implement isa/cast/dyncast.
static bool classof(const DIEValue *L) { return L->getType() == isLabel; }
private:
void EmitValueImpl(const AsmPrinter *AP, dwarf::Form Form) const;
unsigned SizeOfImpl(const AsmPrinter *AP, dwarf::Form Form) const;
#ifndef NDEBUG
void print(raw_ostream &O) const;
void printImpl(raw_ostream &O) const;
#endif
};
//===--------------------------------------------------------------------===//
/// DIEDelta - A simple label difference DIE.
///
class DIEDelta {
class DIEDelta : public DIEValue {
friend class DIEValue;
const MCSymbol *LabelHi;
const MCSymbol *LabelLo;
public:
DIEDelta(const MCSymbol *Hi, const MCSymbol *Lo) : LabelHi(Hi), LabelLo(Lo) {}
DIEDelta(const MCSymbol *Hi, const MCSymbol *Lo)
: DIEValue(isDelta), LabelHi(Hi), LabelLo(Lo) {}
void EmitValue(const AsmPrinter *AP, dwarf::Form Form) const;
unsigned SizeOf(const AsmPrinter *AP, dwarf::Form Form) const;
// Implement isa/cast/dyncast.
static bool classof(const DIEValue *D) { return D->getType() == isDelta; }
private:
void EmitValueImpl(const AsmPrinter *AP, dwarf::Form Form) const;
unsigned SizeOfImpl(const AsmPrinter *AP, dwarf::Form Form) const;
#ifndef NDEBUG
void print(raw_ostream &O) const;
void printImpl(raw_ostream &O) const;
#endif
};
//===--------------------------------------------------------------------===//
/// DIEString - A container for string values.
///
class DIEString {
class DIEString : public DIEValue {
friend class DIEValue;
DwarfStringPoolEntryRef S;
public:
DIEString(DwarfStringPoolEntryRef S) : S(S) {}
DIEString(DwarfStringPoolEntryRef S) : DIEValue(isString), S(S) {}
/// getString - Grab the string out of the object.
StringRef getString() const { return S.getString(); }
void EmitValue(const AsmPrinter *AP, dwarf::Form Form) const;
unsigned SizeOf(const AsmPrinter *AP, dwarf::Form Form) const;
// Implement isa/cast/dyncast.
static bool classof(const DIEValue *D) { return D->getType() == isString; }
private:
void EmitValueImpl(const AsmPrinter *AP, dwarf::Form Form) const;
unsigned SizeOfImpl(const AsmPrinter *AP, dwarf::Form Form) const;
#ifndef NDEBUG
void print(raw_ostream &O) const;
void printImpl(raw_ostream &O) const;
#endif
};
@ -231,48 +308,60 @@ public:
/// this class can also be used as a proxy for a debug information entry not
/// yet defined (ie. types.)
class DIE;
class DIEEntry {
DIE *Entry;
class DIEEntry : public DIEValue {
friend class DIEValue;
DIEEntry() = delete;
DIE &Entry;
public:
explicit DIEEntry(DIE &E) : Entry(&E) {}
explicit DIEEntry(DIE &E) : DIEValue(isEntry), Entry(E) {
}
DIE &getEntry() const { return *Entry; }
DIE &getEntry() const { return Entry; }
/// Returns size of a ref_addr entry.
static unsigned getRefAddrSize(const AsmPrinter *AP);
void EmitValue(const AsmPrinter *AP, dwarf::Form Form) const;
unsigned SizeOf(const AsmPrinter *AP, dwarf::Form Form) const {
// Implement isa/cast/dyncast.
static bool classof(const DIEValue *E) { return E->getType() == isEntry; }
private:
void EmitValueImpl(const AsmPrinter *AP, dwarf::Form Form) const;
unsigned SizeOfImpl(const AsmPrinter *AP, dwarf::Form Form) const {
return Form == dwarf::DW_FORM_ref_addr ? getRefAddrSize(AP)
: sizeof(int32_t);
}
#ifndef NDEBUG
void print(raw_ostream &O) const;
void printImpl(raw_ostream &O) const;
#endif
};
//===--------------------------------------------------------------------===//
/// \brief A signature reference to a type unit.
class DIETypeSignature {
const DwarfTypeUnit *Unit;
class DIETypeSignature : public DIEValue {
friend class DIEValue;
DIETypeSignature() = delete;
const DwarfTypeUnit &Unit;
public:
explicit DIETypeSignature(const DwarfTypeUnit &Unit) : Unit(&Unit) {}
explicit DIETypeSignature(const DwarfTypeUnit &Unit)
: DIEValue(isTypeSignature), Unit(Unit) {}
void EmitValue(const AsmPrinter *AP, dwarf::Form Form) const;
unsigned SizeOf(const AsmPrinter *AP, dwarf::Form Form) const {
// \brief Implement isa/cast/dyncast.
static bool classof(const DIEValue *E) {
return E->getType() == isTypeSignature;
}
private:
void EmitValueImpl(const AsmPrinter *AP, dwarf::Form Form) const;
unsigned SizeOfImpl(const AsmPrinter *AP, dwarf::Form Form) const {
assert(Form == dwarf::DW_FORM_ref_sig8);
return 8;
}
#ifndef NDEBUG
void print(raw_ostream &O) const;
void printImpl(raw_ostream &O) const;
#endif
};
@ -280,125 +369,27 @@ public:
/// DIELocList - Represents a pointer to a location list in the debug_loc
/// section.
//
class DIELocList {
class DIELocList : public DIEValue {
friend class DIEValue;
// Index into the .debug_loc vector.
size_t Index;
public:
DIELocList(size_t I) : Index(I) {}
DIELocList(size_t I) : DIEValue(isLocList), Index(I) {}
/// getValue - Grab the current index out.
size_t getValue() const { return Index; }
void EmitValue(const AsmPrinter *AP, dwarf::Form Form) const;
unsigned SizeOf(const AsmPrinter *AP, dwarf::Form Form) const;
#ifndef NDEBUG
void print(raw_ostream &O) const;
#endif
};
//===--------------------------------------------------------------------===//
/// DIEValue - A debug information entry value. Some of these roughly correlate
/// to DWARF attribute classes.
///
class DIEBlock;
class DIELoc;
class DIEValue {
public:
enum Type {
isNone,
isInteger,
isString,
isExpr,
isLabel,
isDelta,
isEntry,
isTypeSignature,
isBlock,
isLoc,
isLocList,
};
// Implement isa/cast/dyncast.
static bool classof(const DIEValue *E) { return E->getType() == isLocList; }
private:
/// Ty - Type of data stored in the value.
///
Type Ty;
AlignedCharArrayUnion<DIEInteger, DIEString, DIEExpr, DIELabel, DIEDelta *,
DIEEntry, DIETypeSignature, DIEBlock *, DIELoc *,
DIELocList> Val;
static_assert(sizeof(Val) == sizeof(uint64_t),
"Only small values should be allocated locally");
public:
DIEValue() : Ty(isNone) {}
DIEValue(const DIEValue &X) = default;
DIEValue &operator=(const DIEValue &X) = default;
explicit operator bool() const { return Ty; }
#define CONSTRUCT_FROM_SMALL(Kind) \
DIEValue(const DIE##Kind &V) : Ty(is##Kind) { \
static_assert(std::is_trivially_copyable<DIE##Kind>::value, \
"Expected trivial type"); \
new (reinterpret_cast<void *>(Val.buffer)) DIE##Kind(V); \
}
#define CONSTRUCT_FROM_LARGE(Kind) \
DIEValue(const DIE##Kind *V) : Ty(is##Kind) { \
assert(V && "Expected valid value"); \
*reinterpret_cast<const DIE##Kind **>(Val.buffer) = V; \
}
CONSTRUCT_FROM_SMALL(Integer)
CONSTRUCT_FROM_SMALL(Expr)
CONSTRUCT_FROM_SMALL(Label)
CONSTRUCT_FROM_SMALL(Entry)
CONSTRUCT_FROM_SMALL(TypeSignature)
CONSTRUCT_FROM_SMALL(LocList)
CONSTRUCT_FROM_SMALL(String)
CONSTRUCT_FROM_LARGE(Delta)
CONSTRUCT_FROM_LARGE(Block)
CONSTRUCT_FROM_LARGE(Loc)
#undef CONSTRUCT_FROM_SMALL
#undef CONSTRUCT_FROM_LARGE
// Accessors
Type getType() const { return Ty; }
#define GET_VALUE_REF_SMALL(Kind) \
const DIE##Kind &getDIE##Kind() const { \
assert(getType() == is##Kind && "Expected " #Kind); \
return *reinterpret_cast<const DIE##Kind *>(Val.buffer); \
}
#define GET_VALUE_REF_LARGE(Kind) \
const DIE##Kind &getDIE##Kind() const { \
assert(getType() == is##Kind && "Expected " #Kind); \
return **reinterpret_cast<const DIE##Kind *const *>(Val.buffer); \
}
GET_VALUE_REF_SMALL(Integer)
GET_VALUE_REF_SMALL(Expr)
GET_VALUE_REF_SMALL(Label)
GET_VALUE_REF_SMALL(Entry)
GET_VALUE_REF_SMALL(TypeSignature)
GET_VALUE_REF_SMALL(LocList)
GET_VALUE_REF_SMALL(String)
GET_VALUE_REF_LARGE(Delta)
GET_VALUE_REF_LARGE(Block)
GET_VALUE_REF_LARGE(Loc)
#undef GET_VALUE_REF_SMALL
#undef GET_VALUE_REF_LARGE
/// EmitValue - Emit value via the Dwarf writer.
///
void EmitValue(const AsmPrinter *AP, dwarf::Form Form) const;
/// SizeOf - Return the size of a value in bytes.
///
unsigned SizeOf(const AsmPrinter *AP, dwarf::Form Form) const;
void EmitValueImpl(const AsmPrinter *AP, dwarf::Form Form) const;
unsigned SizeOfImpl(const AsmPrinter *AP, dwarf::Form Form) const;
#ifndef NDEBUG
void print(raw_ostream &O) const;
void dump() const;
void printImpl(raw_ostream &O) const;
#endif
};
@ -433,7 +424,7 @@ protected:
/// Attribute values.
///
SmallVector<DIEValue, 12> Values;
SmallVector<DIEValue *, 12> Values;
protected:
DIE()
@ -455,11 +446,7 @@ public:
const std::vector<std::unique_ptr<DIE>> &getChildren() const {
return Children;
}
const SmallVectorImpl<DIEValue> &getValues() const { return Values; }
void setValue(unsigned I, DIEValue New) {
assert(I < Values.size());
Values[I] = New;
}
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
/// belongs to.
@ -472,7 +459,7 @@ public:
/// addValue - Add a value and attributes to a DIE.
///
void addValue(dwarf::Attribute Attribute, dwarf::Form Form, DIEValue Value) {
void addValue(dwarf::Attribute Attribute, dwarf::Form Form, DIEValue *Value) {
Abbrev.AddAttribute(Attribute, Form);
Values.push_back(Value);
}
@ -486,11 +473,9 @@ public:
Children.push_back(std::move(Child));
}
/// Find a value in the DIE with the attribute given.
///
/// Returns a default-constructed DIEValue (where \a DIEValue::getType()
/// gives \a DIEValue::isNone) if no such attribute exists.
DIEValue findAttribute(dwarf::Attribute Attribute) const;
/// findAttribute - Find a value in the DIE with the attribute given,
/// returns NULL if no such attribute exists.
DIEValue *findAttribute(dwarf::Attribute Attribute) const;
#ifndef NDEBUG
void print(raw_ostream &O, unsigned IndentCount = 0) const;
@ -501,11 +486,12 @@ public:
//===--------------------------------------------------------------------===//
/// DIELoc - Represents an expression location.
//
class DIELoc : public DIE {
mutable unsigned Size; // Size in bytes excluding size header.
class DIELoc : public DIEValue, public DIE {
friend class DIEValue;
mutable unsigned Size; // Size in bytes excluding size header.
public:
DIELoc() : Size(0) {}
DIELoc() : DIEValue(isLoc), Size(0) {}
/// ComputeSize - Calculate the size of the location expression.
///
@ -526,22 +512,27 @@ public:
return dwarf::DW_FORM_block;
}
void EmitValue(const AsmPrinter *AP, dwarf::Form Form) const;
unsigned SizeOf(const AsmPrinter *AP, dwarf::Form Form) const;
// Implement isa/cast/dyncast.
static bool classof(const DIEValue *E) { return E->getType() == isLoc; }
private:
void EmitValueImpl(const AsmPrinter *AP, dwarf::Form Form) const;
unsigned SizeOfImpl(const AsmPrinter *AP, dwarf::Form Form) const;
#ifndef NDEBUG
void print(raw_ostream &O) const;
void printImpl(raw_ostream &O) const;
#endif
};
//===--------------------------------------------------------------------===//
/// DIEBlock - Represents a block of values.
//
class DIEBlock : public DIE {
mutable unsigned Size; // Size in bytes excluding size header.
class DIEBlock : public DIEValue, public DIE {
friend class DIEValue;
mutable unsigned Size; // Size in bytes excluding size header.
public:
DIEBlock() : Size(0) {}
DIEBlock() : DIEValue(isBlock), Size(0) {}
/// ComputeSize - Calculate the size of the location expression.
///
@ -559,11 +550,15 @@ public:
return dwarf::DW_FORM_block;
}
void EmitValue(const AsmPrinter *AP, dwarf::Form Form) const;
unsigned SizeOf(const AsmPrinter *AP, dwarf::Form Form) const;
// Implement isa/cast/dyncast.
static bool classof(const DIEValue *E) { return E->getType() == isBlock; }
private:
void EmitValueImpl(const AsmPrinter *AP, dwarf::Form Form) const;
unsigned SizeOfImpl(const AsmPrinter *AP, dwarf::Form Form) const;
#ifndef NDEBUG
void print(raw_ostream &O) const;
void printImpl(raw_ostream &O) const;
#endif
};

8
llvm/lib/CodeGen/AsmPrinter/AsmPrinterDwarf.cpp
View File

@ -265,7 +265,7 @@ void AsmPrinter::emitDwarfDIE(const DIE &Die) const {
dwarf::TagString(Abbrev.getTag()));
EmitULEB128(Abbrev.getNumber());
const SmallVectorImpl<DIEValue> &Values = Die.getValues();
const SmallVectorImpl<DIEValue *> &Values = Die.getValues();
const SmallVectorImpl<DIEAbbrevData> &AbbrevData = Abbrev.getData();
// Emit the DIE attribute values.
@ -277,12 +277,12 @@ void AsmPrinter::emitDwarfDIE(const DIE &Die) const {
if (isVerbose()) {
OutStreamer->AddComment(dwarf::AttributeString(Attr));
if (Attr == dwarf::DW_AT_accessibility)
OutStreamer->AddComment(
dwarf::AccessibilityString(Values[i].getDIEInteger().getValue()));
OutStreamer->AddComment(dwarf::AccessibilityString(
cast<DIEInteger>(Values[i])->getValue()));
}
// Emit an attribute using the defined form.
Values[i].EmitValue(this, Form);
Values[i]->EmitValue(this, Form);
}
// Emit the DIE children if any.

100
llvm/lib/CodeGen/AsmPrinter/DIE.cpp
View File

@ -128,8 +128,8 @@ const DIE *DIE::getUnitOrNull() const {
return nullptr;
}
DIEValue DIE::findAttribute(dwarf::Attribute Attribute) const {
const SmallVectorImpl<DIEValue> &Values = getValues();
DIEValue *DIE::findAttribute(dwarf::Attribute Attribute) const {
const SmallVectorImpl<DIEValue *> &Values = getValues();
const DIEAbbrev &Abbrevs = getAbbrev();
// Iterate through all the attributes until we find the one we're
@ -137,7 +137,7 @@ DIEValue DIE::findAttribute(dwarf::Attribute Attribute) const {
for (size_t i = 0; i < Values.size(); ++i)
if (Abbrevs.getData()[i].getAttribute() == Attribute)
return Values[i];
return DIEValue();
return nullptr;
}
#ifndef NDEBUG
@ -174,7 +174,7 @@ void DIE::print(raw_ostream &O, unsigned IndentCount) const {
O << " "
<< dwarf::FormEncodingString(Data[i].getForm())
<< " ";
Values[i].print(O);
Values[i]->print(O);
O << "\n";
}
IndentCount -= 2;
@ -193,11 +193,9 @@ void DIE::dump() {
void DIEValue::EmitValue(const AsmPrinter *AP, dwarf::Form Form) const {
switch (Ty) {
case isNone:
llvm_unreachable("Expected valid DIEValue");
#define EMIT_VALUE_IMPL(Kind) \
case is##Kind: \
getDIE##Kind().EmitValue(AP, Form); \
cast<DIE##Kind>(this)->EmitValueImpl(AP, Form); \
break;
EMIT_VALUE_IMPL(Integer)
EMIT_VALUE_IMPL(String)
@ -215,11 +213,9 @@ void DIEValue::EmitValue(const AsmPrinter *AP, dwarf::Form Form) const {
unsigned DIEValue::SizeOf(const AsmPrinter *AP, dwarf::Form Form) const {
switch (Ty) {
case isNone:
llvm_unreachable("Expected valid DIEValue");
#define SIZE_OF_IMPL(Kind) \
case is##Kind: \
return getDIE##Kind().SizeOf(AP, Form);
return cast<DIE##Kind>(this)->SizeOfImpl(AP, Form);
SIZE_OF_IMPL(Integer)
SIZE_OF_IMPL(String)
SIZE_OF_IMPL(Expr)
@ -238,11 +234,9 @@ unsigned DIEValue::SizeOf(const AsmPrinter *AP, dwarf::Form Form) const {
#ifndef NDEBUG
void DIEValue::print(raw_ostream &O) const {
switch (Ty) {
case isNone:
llvm_unreachable("Expected valid DIEValue");
#define PRINT_IMPL(Kind) \
case is##Kind: \
getDIE##Kind().print(O); \
cast<DIE##Kind>(this)->printImpl(O); \
break;
PRINT_IMPL(Integer)
PRINT_IMPL(String)
@ -269,7 +263,7 @@ void DIEValue::dump() const {
/// EmitValue - Emit integer of appropriate size.
///
void DIEInteger::EmitValue(const AsmPrinter *Asm, dwarf::Form Form) const {
void DIEInteger::EmitValueImpl(const AsmPrinter *Asm, dwarf::Form Form) const {
unsigned Size = ~0U;
switch (Form) {
case dwarf::DW_FORM_flag_present:
@ -305,7 +299,7 @@ void DIEInteger::EmitValue(const AsmPrinter *Asm, dwarf::Form Form) const {
/// SizeOf - Determine size of integer value in bytes.
///
unsigned DIEInteger::SizeOf(const AsmPrinter *AP, dwarf::Form Form) const {
unsigned DIEInteger::SizeOfImpl(const AsmPrinter *AP, dwarf::Form Form) const {
switch (Form) {
case dwarf::DW_FORM_flag_present: return 0;
case dwarf::DW_FORM_flag: // Fall thru
@ -334,7 +328,7 @@ unsigned DIEInteger::SizeOf(const AsmPrinter *AP, dwarf::Form Form) const {
}
#ifndef NDEBUG
void DIEInteger::print(raw_ostream &O) const {
void DIEInteger::printImpl(raw_ostream &O) const {
O << "Int: " << (int64_t)Integer << " 0x";
O.write_hex(Integer);
}
@ -346,13 +340,13 @@ void DIEInteger::print(raw_ostream &O) const {
/// EmitValue - Emit expression value.
///
void DIEExpr::EmitValue(const AsmPrinter *AP, dwarf::Form Form) const {
void DIEExpr::EmitValueImpl(const AsmPrinter *AP, dwarf::Form Form) const {
AP->OutStreamer->EmitValue(Expr, SizeOf(AP, Form));
}
/// SizeOf - Determine size of expression value in bytes.
///
unsigned DIEExpr::SizeOf(const AsmPrinter *AP, dwarf::Form Form) const {
unsigned DIEExpr::SizeOfImpl(const AsmPrinter *AP, dwarf::Form Form) const {
if (Form == dwarf::DW_FORM_data4) return 4;
if (Form == dwarf::DW_FORM_sec_offset) return 4;
if (Form == dwarf::DW_FORM_strp) return 4;
@ -360,7 +354,7 @@ unsigned DIEExpr::SizeOf(const AsmPrinter *AP, dwarf::Form Form) const {
}
#ifndef NDEBUG
void DIEExpr::print(raw_ostream &O) const { O << "Expr: " << *Expr; }
void DIEExpr::printImpl(raw_ostream &O) const { O << "Expr: " << *Expr; }
#endif
//===----------------------------------------------------------------------===//
@ -369,7 +363,7 @@ void DIEExpr::print(raw_ostream &O) const { O << "Expr: " << *Expr; }
/// EmitValue - Emit label value.
///
void DIELabel::EmitValue(const AsmPrinter *AP, dwarf::Form Form) const {
void DIELabel::EmitValueImpl(const AsmPrinter *AP, dwarf::Form Form) const {
AP->EmitLabelReference(Label, SizeOf(AP, Form),
Form == dwarf::DW_FORM_strp ||
Form == dwarf::DW_FORM_sec_offset ||
@ -378,7 +372,7 @@ void DIELabel::EmitValue(const AsmPrinter *AP, dwarf::Form Form) const {
/// SizeOf - Determine size of label value in bytes.
///
unsigned DIELabel::SizeOf(const AsmPrinter *AP, dwarf::Form Form) const {
unsigned DIELabel::SizeOfImpl(const AsmPrinter *AP, dwarf::Form Form) const {
if (Form == dwarf::DW_FORM_data4) return 4;
if (Form == dwarf::DW_FORM_sec_offset) return 4;
if (Form == dwarf::DW_FORM_strp) return 4;
@ -386,7 +380,9 @@ unsigned DIELabel::SizeOf(const AsmPrinter *AP, dwarf::Form Form) const {
}
#ifndef NDEBUG
void DIELabel::print(raw_ostream &O) const { O << "Lbl: " << Label->getName(); }
void DIELabel::printImpl(raw_ostream &O) const {
O << "Lbl: " << Label->getName();
}
#endif
//===----------------------------------------------------------------------===//
@ -395,13 +391,13 @@ void DIELabel::print(raw_ostream &O) const { O << "Lbl: " << Label->getName(); }
/// EmitValue - Emit delta value.
///
void DIEDelta::EmitValue(const AsmPrinter *AP, dwarf::Form Form) const {
void DIEDelta::EmitValueImpl(const AsmPrinter *AP, dwarf::Form Form) const {
AP->EmitLabelDifference(LabelHi, LabelLo, SizeOf(AP, Form));
}
/// SizeOf - Determine size of delta value in bytes.
///
unsigned DIEDelta::SizeOf(const AsmPrinter *AP, dwarf::Form Form) const {
unsigned DIEDelta::SizeOfImpl(const AsmPrinter *AP, dwarf::Form Form) const {
if (Form == dwarf::DW_FORM_data4) return 4;
if (Form == dwarf::DW_FORM_sec_offset) return 4;
if (Form == dwarf::DW_FORM_strp) return 4;
@ -409,7 +405,7 @@ unsigned DIEDelta::SizeOf(const AsmPrinter *AP, dwarf::Form Form) const {
}
#ifndef NDEBUG
void DIEDelta::print(raw_ostream &O) const {
void DIEDelta::printImpl(raw_ostream &O) const {
O << "Del: " << LabelHi->getName() << "-" << LabelLo->getName();
}
#endif
@ -420,7 +416,7 @@ void DIEDelta::print(raw_ostream &O) const {
/// EmitValue - Emit string value.
///
void DIEString::EmitValue(const AsmPrinter *AP, dwarf::Form Form) const {
void DIEString::EmitValueImpl(const AsmPrinter *AP, dwarf::Form Form) const {
assert(
(Form == dwarf::DW_FORM_strp || Form == dwarf::DW_FORM_GNU_str_index) &&
"Expected valid string form");
@ -444,7 +440,7 @@ void DIEString::EmitValue(const AsmPrinter *AP, dwarf::Form Form) const {
/// SizeOf - Determine size of delta value in bytes.
///
unsigned DIEString::SizeOf(const AsmPrinter *AP, dwarf::Form Form) const {
unsigned DIEString::SizeOfImpl(const AsmPrinter *AP, dwarf::Form Form) const {
assert(
(Form == dwarf::DW_FORM_strp || Form == dwarf::DW_FORM_GNU_str_index) &&
"Expected valid string form");
@ -462,7 +458,7 @@ unsigned DIEString::SizeOf(const AsmPrinter *AP, dwarf::Form Form) const {
}
#ifndef NDEBUG
void DIEString::print(raw_ostream &O) const {
void DIEString::printImpl(raw_ostream &O) const {
O << "String: " << S.getString();
}
#endif
@ -473,16 +469,16 @@ void DIEString::print(raw_ostream &O) const {
/// EmitValue - Emit debug information entry offset.
///
void DIEEntry::EmitValue(const AsmPrinter *AP, dwarf::Form Form) const {
void DIEEntry::EmitValueImpl(const AsmPrinter *AP, dwarf::Form Form) const {
if (Form == dwarf::DW_FORM_ref_addr) {
const DwarfDebug *DD = AP->getDwarfDebug();
unsigned Addr = Entry->getOffset();
unsigned Addr = Entry.getOffset();
assert(!DD->useSplitDwarf() && "TODO: dwo files can't have relocations.");
// For DW_FORM_ref_addr, output the offset from beginning of debug info
// section. Entry->getOffset() returns the offset from start of the
// compile unit.
DwarfCompileUnit *CU = DD->lookupUnit(Entry->getUnit());
DwarfCompileUnit *CU = DD->lookupUnit(Entry.getUnit());
assert(CU && "CUDie should belong to a CU.");
Addr += CU->getDebugInfoOffset();
if (AP->MAI->doesDwarfUseRelocationsAcrossSections())
@ -491,7 +487,7 @@ void DIEEntry::EmitValue(const AsmPrinter *AP, dwarf::Form Form) const {
else
AP->OutStreamer->EmitIntValue(Addr, DIEEntry::getRefAddrSize(AP));
} else
AP->EmitInt32(Entry->getOffset());
AP->EmitInt32(Entry.getOffset());
}
unsigned DIEEntry::getRefAddrSize(const AsmPrinter *AP) {
@ -507,7 +503,7 @@ unsigned DIEEntry::getRefAddrSize(const AsmPrinter *AP) {
}
#ifndef NDEBUG
void DIEEntry::print(raw_ostream &O) const {
void DIEEntry::printImpl(raw_ostream &O) const {
O << format("Die: 0x%lx", (long)(intptr_t)&Entry);
}
#endif
@ -515,15 +511,14 @@ void DIEEntry::print(raw_ostream &O) const {
//===----------------------------------------------------------------------===//
// DIETypeSignature Implementation
//===----------------------------------------------------------------------===//
void DIETypeSignature::EmitValue(const AsmPrinter *Asm,
dwarf::Form Form) const {
void DIETypeSignature::EmitValueImpl(const AsmPrinter *Asm, dwarf::Form Form) const {
assert(Form == dwarf::DW_FORM_ref_sig8);
Asm->OutStreamer->EmitIntValue(Unit->getTypeSignature(), 8);
Asm->OutStreamer->EmitIntValue(Unit.getTypeSignature(), 8);
}
#ifndef NDEBUG
void DIETypeSignature::print(raw_ostream &O) const {
O << format("Type Unit: 0x%lx", Unit->getTypeSignature());
void DIETypeSignature::printImpl(raw_ostream &O) const {
O << format("Type Unit: 0x%lx", Unit.getTypeSignature());
}
#endif
@ -537,7 +532,7 @@ unsigned DIELoc::ComputeSize(const AsmPrinter *AP) const {
if (!Size) {
const SmallVectorImpl<DIEAbbrevData> &AbbrevData = Abbrev.getData();
for (unsigned i = 0, N = Values.size(); i < N; ++i)
Size += Values[i].SizeOf(AP, AbbrevData[i].getForm());
Size += Values[i]->SizeOf(AP, AbbrevData[i].getForm());
}
return Size;
@ -545,7 +540,7 @@ unsigned DIELoc::ComputeSize(const AsmPrinter *AP) const {
/// EmitValue - Emit location data.
///
void DIELoc::EmitValue(const AsmPrinter *Asm, dwarf::Form Form) const {
void DIELoc::EmitValueImpl(const AsmPrinter *Asm, dwarf::Form Form) const {
switch (Form) {
default: llvm_unreachable("Improper form for block");
case dwarf::DW_FORM_block1: Asm->EmitInt8(Size); break;
@ -558,12 +553,12 @@ void DIELoc::EmitValue(const AsmPrinter *Asm, dwarf::Form Form) const {
const SmallVectorImpl<DIEAbbrevData> &AbbrevData = Abbrev.getData();
for (unsigned i = 0, N = Values.size(); i < N; ++i)
Values[i].EmitValue(Asm, AbbrevData[i].getForm());
Values[i]->EmitValue(Asm, AbbrevData[i].getForm());
}
/// SizeOf - Determine size of location data in bytes.
///
unsigned DIELoc::SizeOf(const AsmPrinter *AP, dwarf::Form Form) const {
unsigned DIELoc::SizeOfImpl(const AsmPrinter *AP, dwarf::Form Form) const {
switch (Form) {
case dwarf::DW_FORM_block1: return Size + sizeof(int8_t);
case dwarf::DW_FORM_block2: return Size + sizeof(int16_t);
@ -576,7 +571,7 @@ unsigned DIELoc::SizeOf(const AsmPrinter *AP, dwarf::Form Form) const {
}
#ifndef NDEBUG
void DIELoc::print(raw_ostream &O) const {
void DIELoc::printImpl(raw_ostream &O) const {
O << "ExprLoc: ";
DIE::print(O, 5);
}
@ -592,7 +587,7 @@ unsigned DIEBlock::ComputeSize(const AsmPrinter *AP) const {
if (!Size) {
const SmallVectorImpl<DIEAbbrevData> &AbbrevData = Abbrev.getData();
for (unsigned i = 0, N = Values.size(); i < N; ++i)
Size += Values[i].SizeOf(AP, AbbrevData[i].getForm());
Size += Values[i]->SizeOf(AP, AbbrevData[i].getForm());
}
return Size;
@ -600,7 +595,7 @@ unsigned DIEBlock::ComputeSize(const AsmPrinter *AP) const {
/// EmitValue - Emit block data.
///
void DIEBlock::EmitValue(const AsmPrinter *Asm, dwarf::Form Form) const {
void DIEBlock::EmitValueImpl(const AsmPrinter *Asm, dwarf::Form Form) const {
switch (Form) {
default: llvm_unreachable("Improper form for block");
case dwarf::DW_FORM_block1: Asm->EmitInt8(Size); break;
@ -611,12 +606,12 @@ void DIEBlock::EmitValue(const AsmPrinter *Asm, dwarf::Form Form) const {
const SmallVectorImpl<DIEAbbrevData> &AbbrevData = Abbrev.getData();
for (unsigned i = 0, N = Values.size(); i < N; ++i)
Values[i].EmitValue(Asm, AbbrevData[i].getForm());
Values[i]->EmitValue(Asm, AbbrevData[i].getForm());
}
/// SizeOf - Determine size of block data in bytes.
///
unsigned DIEBlock::SizeOf(const AsmPrinter *AP, dwarf::Form Form) const {
unsigned DIEBlock::SizeOfImpl(const AsmPrinter *AP, dwarf::Form Form) const {
switch (Form) {
case dwarf::DW_FORM_block1: return Size + sizeof(int8_t);
case dwarf::DW_FORM_block2: return Size + sizeof(int16_t);
@ -627,7 +622,7 @@ unsigned DIEBlock::SizeOf(const AsmPrinter *AP, dwarf::Form Form) const {
}
#ifndef NDEBUG
void DIEBlock::print(raw_ostream &O) const {
void DIEBlock::printImpl(raw_ostream &O) const {
O << "Blk: ";
DIE::print(O, 5);
}
@ -637,7 +632,7 @@ void DIEBlock::print(raw_ostream &O) const {
// DIELocList Implementation
//===----------------------------------------------------------------------===//
unsigned DIELocList::SizeOf(const AsmPrinter *AP, dwarf::Form Form) const {
unsigned DIELocList::SizeOfImpl(const AsmPrinter *AP, dwarf::Form Form) const {
if (Form == dwarf::DW_FORM_data4)
return 4;
if (Form == dwarf::DW_FORM_sec_offset)
@ -647,7 +642,7 @@ unsigned DIELocList::SizeOf(const AsmPrinter *AP, dwarf::Form Form) const {
/// EmitValue - Emit label value.
///
void DIELocList::EmitValue(const AsmPrinter *AP, dwarf::Form Form) const {
void DIELocList::EmitValueImpl(const AsmPrinter *AP, dwarf::Form Form) const {
DwarfDebug *DD = AP->getDwarfDebug();
MCSymbol *Label = DD->getDebugLocs().getList(Index).Label;
@ -658,5 +653,8 @@ void DIELocList::EmitValue(const AsmPrinter *AP, dwarf::Form Form) const {
}
#ifndef NDEBUG
void DIELocList::print(raw_ostream &O) const { O << "LocList: " << Index; }
void DIELocList::printImpl(raw_ostream &O) const {
O << "LocList: " << Index;
}
#endif

51
llvm/lib/CodeGen/AsmPrinter/DIEHash.cpp
View File

@ -31,14 +31,18 @@ using namespace llvm;
/// \brief Grabs the string in whichever attribute is passed in and returns
/// a reference to it.
static StringRef getDIEStringAttr(const DIE &Die, uint16_t Attr) {
const auto &Values = Die.getValues();
const SmallVectorImpl<DIEValue *> &Values = Die.getValues();
const DIEAbbrev &Abbrevs = Die.getAbbrev();
// Iterate through all the attributes until we find the one we're
// looking for, if we can't find it return an empty string.
for (size_t i = 0; i < Values.size(); ++i) {
if (Abbrevs.getData()[i].getAttribute() == Attr)
return Values[i].getDIEString().getString();
if (Abbrevs.getData()[i].getAttribute() == Attr) {
DIEValue *V = Values[i];
assert(isa<DIEString>(V) && "String requested. Not a string.");
DIEString *S = cast<DIEString>(V);
return S->getString();
}
}
return StringRef("");
}
@ -119,7 +123,7 @@ void DIEHash::addParentContext(const DIE &Parent) {
// Collect all of the attributes for a particular DIE in single structure.
void DIEHash::collectAttributes(const DIE &Die, DIEAttrs &Attrs) {
const SmallVectorImpl<DIEValue> &Values = Die.getValues();
const SmallVectorImpl<DIEValue *> &Values = Die.getValues();
const DIEAbbrev &Abbrevs = Die.getAbbrev();
#define COLLECT_ATTR(NAME) \
@ -270,9 +274,11 @@ void DIEHash::hashDIEEntry(dwarf::Attribute Attribute, dwarf::Tag Tag,
// Hash all of the values in a block like set of values. This assumes that
// all of the data is going to be added as integers.
void DIEHash::hashBlockData(const SmallVectorImpl<DIEValue> &Values) {
for (auto I = Values.begin(), E = Values.end(); I != E; ++I)
Hash.update((uint64_t)I->getDIEInteger().getValue());
void DIEHash::hashBlockData(const SmallVectorImpl<DIEValue *> &Values) {
for (SmallVectorImpl<DIEValue *>::const_iterator I = Values.begin(),
E = Values.end();
I != E; ++I)
Hash.update((uint64_t)cast<DIEInteger>(*I)->getValue());
}
// Hash the contents of a loclistptr class.
@ -287,7 +293,7 @@ void DIEHash::hashLocList(const DIELocList &LocList) {
// Hash an individual attribute \param Attr based on the type of attribute and
// the form.
void DIEHash::hashAttribute(AttrEntry Attr, dwarf::Tag Tag) {
const DIEValue &Value = Attr.Val;
const DIEValue *Value = Attr.Val;
const DIEAbbrevData *Desc = Attr.Desc;
dwarf::Attribute Attribute = Desc->getAttribute();
@ -298,15 +304,12 @@ void DIEHash::hashAttribute(AttrEntry Attr, dwarf::Tag Tag) {
// computation is limited to the following: DW_FORM_sdata, DW_FORM_flag,
// DW_FORM_string, and DW_FORM_block.
switch (Value.getType()) {
case DIEValue::isNone:
llvm_unreachable("Expected valid DIEValue");
switch (Value->getType()) {
// 7.27 Step 3
// ... An attribute that refers to another type entry T is processed as
// follows:
case DIEValue::isEntry:
hashDIEEntry(Attribute, Tag, Value.getDIEEntry().getEntry());
hashDIEEntry(Attribute, Tag, cast<DIEEntry>(Value)->getEntry());
break;
case DIEValue::isInteger: {
addULEB128('A');
@ -319,14 +322,14 @@ void DIEHash::hashAttribute(AttrEntry Attr, dwarf::Tag Tag) {
case dwarf::DW_FORM_udata:
case dwarf::DW_FORM_sdata:
addULEB128(dwarf::DW_FORM_sdata);
addSLEB128((int64_t)Value.getDIEInteger().getValue());
addSLEB128((int64_t)cast<DIEInteger>(Value)->getValue());
break;
// DW_FORM_flag_present is just flag with a value of one. We still give it a
// value so just use the value.
case dwarf::DW_FORM_flag_present:
case dwarf::DW_FORM_flag:
addULEB128(dwarf::DW_FORM_flag);
addULEB128((int64_t)Value.getDIEInteger().getValue());
addULEB128((int64_t)cast<DIEInteger>(Value)->getValue());
break;
default:
llvm_unreachable("Unknown integer form!");
@ -337,7 +340,7 @@ void DIEHash::hashAttribute(AttrEntry Attr, dwarf::Tag Tag) {
addULEB128('A');
addULEB128(Attribute);
addULEB128(dwarf::DW_FORM_string);
addString(Value.getDIEString().getString());
addString(cast<DIEString>(Value)->getString());
break;
case DIEValue::isBlock:
case DIEValue::isLoc:
@ -345,17 +348,17 @@ void DIEHash::hashAttribute(AttrEntry Attr, dwarf::Tag Tag) {
addULEB128('A');
addULEB128(Attribute);
addULEB128(dwarf::DW_FORM_block);
if (Value.getType() == DIEValue::isBlock) {
addULEB128(Value.getDIEBlock().ComputeSize(AP));
hashBlockData(Value.getDIEBlock().getValues());
} else if (Value.getType() == DIEValue::isLoc) {
addULEB128(Value.getDIELoc().ComputeSize(AP));
hashBlockData(Value.getDIELoc().getValues());
if (isa<DIEBlock>(Value)) {
addULEB128(cast<DIEBlock>(Value)->ComputeSize(AP));
hashBlockData(cast<DIEBlock>(Value)->getValues());
} else if (isa<DIELoc>(Value)) {
addULEB128(cast<DIELoc>(Value)->ComputeSize(AP));
hashBlockData(cast<DIELoc>(Value)->getValues());
} else {
// We could add the block length, but that would take
// a bit of work and not add a lot of uniqueness
// to the hash in some way we could test.
hashLocList(Value.getDIELocList());
hashLocList(*cast<DIELocList>(Value));
}
break;
// FIXME: It's uncertain whether or not we should handle this at the moment.
@ -372,7 +375,7 @@ void DIEHash::hashAttribute(AttrEntry Attr, dwarf::Tag Tag) {
void DIEHash::hashAttributes(const DIEAttrs &Attrs, dwarf::Tag Tag) {
#define ADD_ATTR(ATTR) \
{ \
if (ATTR.Val) \
if (ATTR.Val != 0) \
hashAttribute(ATTR, Tag); \
}

4
llvm/lib/CodeGen/AsmPrinter/DIEHash.h
View File

@ -29,7 +29,7 @@ class DIEHash {
// The entry for a particular attribute.
struct AttrEntry {
DIEValue Val;
const DIEValue *Val;
const DIEAbbrevData *Desc;
};
@ -135,7 +135,7 @@ private:
/// \brief Hashes the data in a block like DIEValue, e.g. DW_FORM_block or
/// DW_FORM_exprloc.
void hashBlockData(const SmallVectorImpl<DIEValue> &Values);
void hashBlockData(const SmallVectorImpl<DIEValue *> &Values);
/// \brief Hashes the contents pointed to in the .debug_loc section.
void hashLocList(const DIELocList &LocList);

25
llvm/lib/CodeGen/AsmPrinter/DwarfCompileUnit.cpp
View File

@ -42,7 +42,8 @@ void DwarfCompileUnit::addLabelAddress(DIE &Die, dwarf::Attribute Attribute,
DD->addArangeLabel(SymbolCU(this, Label));
unsigned idx = DD->getAddressPool().getIndex(Label);
Die.addValue(Attribute, dwarf::DW_FORM_GNU_addr_index, DIEInteger(idx));
DIEValue *Value = new (DIEValueAllocator) DIEInteger(idx);
Die.addValue(Attribute, dwarf::DW_FORM_GNU_addr_index, Value);
}
void DwarfCompileUnit::addLocalLabelAddress(DIE &Die,
@ -52,7 +53,8 @@ void DwarfCompileUnit::addLocalLabelAddress(DIE &Die,
DD->addArangeLabel(SymbolCU(this, Label));
Die.addValue(Attribute, dwarf::DW_FORM_addr,
Label ? DIEValue(DIELabel(Label)) : DIEValue(DIEInteger(0)));
Label ? (DIEValue *)new (DIEValueAllocator) DIELabel(Label)
: new (DIEValueAllocator) DIEInteger(0));
}
unsigned DwarfCompileUnit::getOrCreateSourceID(StringRef FileName,
@ -143,7 +145,7 @@ DIE *DwarfCompileUnit::getOrCreateGlobalVariableDIE(
bool addToAccelTable = false;
if (auto *Global = dyn_cast_or_null<GlobalVariable>(GV->getVariable())) {
addToAccelTable = true;
DIELoc *Loc = new (DIEValueAllocator) DIELoc;
DIELoc *Loc = new (DIEValueAllocator) DIELoc();
const MCSymbol *Sym = Asm->getSymbol(Global);
if (Global->isThreadLocal()) {
// FIXME: Make this work with -gsplit-dwarf.
@ -181,7 +183,7 @@ DIE *DwarfCompileUnit::getOrCreateGlobalVariableDIE(
} else if (const ConstantExpr *CE = getMergedGlobalExpr(GV->getVariable())) {
addToAccelTable = true;
// GV is a merged global.
DIELoc *Loc = new (DIEValueAllocator) DIELoc;
DIELoc *Loc = new (DIEValueAllocator) DIELoc();
Value *Ptr = CE->getOperand(0);
MCSymbol *Sym = Asm->getSymbol(cast<GlobalValue>(Ptr));
DD->addArangeLabel(SymbolCU(this, Sym));
@ -363,9 +365,10 @@ void DwarfCompileUnit::constructScopeDIE(
void DwarfCompileUnit::addSectionDelta(DIE &Die, dwarf::Attribute Attribute,
const MCSymbol *Hi, const MCSymbol *Lo) {
DIEValue *Value = new (DIEValueAllocator) DIEDelta(Hi, Lo);
Die.addValue(Attribute, DD->getDwarfVersion() >= 4 ? dwarf::DW_FORM_sec_offset
: dwarf::DW_FORM_data4,
new (DIEValueAllocator) DIEDelta(Hi, Lo));
Value);
}
void DwarfCompileUnit::addScopeRangeList(DIE &ScopeDIE,
@ -512,7 +515,7 @@ DwarfCompileUnit::constructVariableDIEImpl(const DbgVariable &DV,
return VariableDie;
auto Expr = DV.getExpression().begin();
DIELoc *Loc = new (DIEValueAllocator) DIELoc;
DIELoc *Loc = new (DIEValueAllocator) DIELoc();
DIEDwarfExpression DwarfExpr(*Asm, *this, *Loc);
for (auto FI : DV.getFrameIndex()) {
unsigned FrameReg = 0;
@ -736,7 +739,7 @@ void DwarfCompileUnit::addVariableAddress(const DbgVariable &DV, DIE &Die,
/// Add an address attribute to a die based on the location provided.
void DwarfCompileUnit::addAddress(DIE &Die, dwarf::Attribute Attribute,
const MachineLocation &Location) {
DIELoc *Loc = new (DIEValueAllocator) DIELoc;
DIELoc *Loc = new (DIEValueAllocator) DIELoc();
bool validReg;
if (Location.isReg())
@ -758,7 +761,7 @@ void DwarfCompileUnit::addAddress(DIE &Die, dwarf::Attribute Attribute,
void DwarfCompileUnit::addComplexAddress(const DbgVariable &DV, DIE &Die,
dwarf::Attribute Attribute,
const MachineLocation &Location) {
DIELoc *Loc = new (DIEValueAllocator) DIELoc;
DIELoc *Loc = new (DIEValueAllocator) DIELoc();
DIEDwarfExpression DwarfExpr(*Asm, *this, *Loc);
assert(DV.getExpression().size() == 1);
const DIExpression *Expr = DV.getExpression().back();
@ -779,9 +782,10 @@ void DwarfCompileUnit::addComplexAddress(const DbgVariable &DV, DIE &Die,
/// Add a Dwarf loclistptr attribute data and value.
void DwarfCompileUnit::addLocationList(DIE &Die, dwarf::Attribute Attribute,
unsigned Index) {
DIEValue *Value = new (DIEValueAllocator) DIELocList(Index);
dwarf::Form Form = DD->getDwarfVersion() >= 4 ? dwarf::DW_FORM_sec_offset
: dwarf::DW_FORM_data4;
Die.addValue(Attribute, Form, DIELocList(Index));
Die.addValue(Attribute, Form, Value);
}
void DwarfCompileUnit::applyVariableAttributes(const DbgVariable &Var,
@ -798,7 +802,8 @@ void DwarfCompileUnit::applyVariableAttributes(const DbgVariable &Var,
/// Add a Dwarf expression attribute data and value.
void DwarfCompileUnit::addExpr(DIELoc &Die, dwarf::Form Form,
const MCExpr *Expr) {
Die.addValue((dwarf::Attribute)0, Form, DIEExpr(Expr));
DIEValue *Value = new (DIEValueAllocator) DIEExpr(Expr);
Die.addValue((dwarf::Attribute)0, Form, Value);
}
void DwarfCompileUnit::applySubprogramAttributesToDefinition(

5
llvm/lib/CodeGen/AsmPrinter/DwarfDebug.cpp
View File

@ -1340,8 +1340,9 @@ static dwarf::PubIndexEntryDescriptor computeIndexValue(DwarfUnit *CU,
// We could have a specification DIE that has our most of our knowledge,
// look for that now.
if (DIEValue SpecVal = Die->findAttribute(dwarf::DW_AT_specification)) {
DIE &SpecDIE = SpecVal.getDIEEntry().getEntry();
DIEValue *SpecVal = Die->findAttribute(dwarf::DW_AT_specification);
if (SpecVal) {
DIE &SpecDIE = cast<DIEEntry>(SpecVal)->getEntry();
if (SpecDIE.findAttribute(dwarf::DW_AT_external))
Linkage = dwarf::GIEL_EXTERNAL;
} else if (Die->findAttribute(dwarf::DW_AT_external))

4
llvm/lib/CodeGen/AsmPrinter/DwarfFile.cpp
View File

@ -94,13 +94,13 @@ unsigned DwarfFile::computeSizeAndOffset(DIE &Die, unsigned Offset) {
// Start the size with the size of abbreviation code.
Offset += getULEB128Size(Die.getAbbrevNumber());
const SmallVectorImpl<DIEValue> &Values = Die.getValues();
const SmallVectorImpl<DIEValue *> &Values = Die.getValues();
const SmallVectorImpl<DIEAbbrevData> &AbbrevData = Abbrev.getData();
// Size the DIE attribute values.
for (unsigned i = 0, N = Values.size(); i < N; ++i)
// Size attribute value.
Offset += Values[i].SizeOf(Asm, AbbrevData[i].getForm());
Offset += Values[i]->SizeOf(Asm, AbbrevData[i].getForm());
// Get the children.
const auto &Children = Die.getChildren();

74
llvm/lib/CodeGen/AsmPrinter/DwarfUnit.cpp
View File

@ -70,6 +70,7 @@ DwarfUnit::DwarfUnit(unsigned UID, dwarf::Tag UnitTag,
DD(DW), DU(DWU), IndexTyDie(nullptr), Section(nullptr) {
assert(UnitTag == dwarf::DW_TAG_compile_unit ||
UnitTag == dwarf::DW_TAG_type_unit);
DIEIntegerOne = new (DIEValueAllocator) DIEInteger(1);
}
DwarfTypeUnit::DwarfTypeUnit(unsigned UID, DwarfCompileUnit &CU, AsmPrinter *A,
@ -88,6 +89,11 @@ DwarfUnit::~DwarfUnit() {
DIELocs[j]->~DIELoc();
}
DIEEntry *DwarfUnit::createDIEEntry(DIE &Entry) {
DIEEntry *Value = new (DIEValueAllocator) DIEEntry(Entry);
return Value;
}
int64_t DwarfUnit::getDefaultLowerBound() const {
switch (getLanguage()) {
default:
@ -184,16 +190,18 @@ void DwarfUnit::insertDIE(const DINode *Desc, DIE *D) {
void DwarfUnit::addFlag(DIE &Die, dwarf::Attribute Attribute) {
if (DD->getDwarfVersion() >= 4)
Die.addValue(Attribute, dwarf::DW_FORM_flag_present, DIEInteger(1));
Die.addValue(Attribute, dwarf::DW_FORM_flag_present, DIEIntegerOne);
else
Die.addValue(Attribute, dwarf::DW_FORM_flag, DIEInteger(1));
Die.addValue(Attribute, dwarf::DW_FORM_flag, DIEIntegerOne);
}
void DwarfUnit::addUInt(DIE &Die, dwarf::Attribute Attribute,
Optional<dwarf::Form> Form, uint64_t Integer) {
if (!Form)
Form = DIEInteger::BestForm(false, Integer);
Die.addValue(Attribute, *Form, DIEInteger(Integer));
DIEValue *Value = Integer == 1 ? DIEIntegerOne : new (DIEValueAllocator)
DIEInteger(Integer);
Die.addValue(Attribute, *Form, Value);
}
void DwarfUnit::addUInt(DIE &Block, dwarf::Form Form, uint64_t Integer) {
@ -204,7 +212,8 @@ void DwarfUnit::addSInt(DIE &Die, dwarf::Attribute Attribute,
Optional<dwarf::Form> Form, int64_t Integer) {
if (!Form)
Form = DIEInteger::BestForm(true, Integer);
Die.addValue(Attribute, *Form, DIEInteger(Integer));
DIEValue *Value = new (DIEValueAllocator) DIEInteger(Integer);
Die.addValue(Attribute, *Form, Value);
}
void DwarfUnit::addSInt(DIELoc &Die, Optional<dwarf::Form> Form,
@ -216,12 +225,14 @@ void DwarfUnit::addString(DIE &Die, dwarf::Attribute Attribute,
StringRef String) {
Die.addValue(Attribute,
isDwoUnit() ? dwarf::DW_FORM_GNU_str_index : dwarf::DW_FORM_strp,
new (DIEValueAllocator)
DIEString(DU->getStringPool().getEntry(*Asm, String)));
}
void DwarfUnit::addLabel(DIE &Die, dwarf::Attribute Attribute, dwarf::Form Form,
const MCSymbol *Label) {
Die.addValue(Attribute, Form, DIELabel(Label));
DIEValue *Value = new (DIEValueAllocator) DIELabel(Label);
Die.addValue(Attribute, Form, Value);
}
void DwarfUnit::addLabel(DIELoc &Die, dwarf::Form Form, const MCSymbol *Label) {
@ -254,12 +265,12 @@ void DwarfUnit::addOpAddress(DIELoc &Die, const MCSymbol *Sym) {
void DwarfUnit::addLabelDelta(DIE &Die, dwarf::Attribute Attribute,
const MCSymbol *Hi, const MCSymbol *Lo) {
Die.addValue(Attribute, dwarf::DW_FORM_data4,
new (DIEValueAllocator) DIEDelta(Hi, Lo));
DIEValue *Value = new (DIEValueAllocator) DIEDelta(Hi, Lo);
Die.addValue(Attribute, dwarf::DW_FORM_data4, Value);
}
void DwarfUnit::addDIEEntry(DIE &Die, dwarf::Attribute Attribute, DIE &Entry) {
addDIEEntry(Die, Attribute, DIEEntry(Entry));
addDIEEntry(Die, Attribute, createDIEEntry(Entry));
}
void DwarfUnit::addDIETypeSignature(DIE &Die, const DwarfTypeUnit &Type) {
@ -270,13 +281,13 @@ void DwarfUnit::addDIETypeSignature(DIE &Die, const DwarfTypeUnit &Type) {
addFlag(Die, dwarf::DW_AT_declaration);
Die.addValue(dwarf::DW_AT_signature, dwarf::DW_FORM_ref_sig8,
DIETypeSignature(Type));
new (DIEValueAllocator) DIETypeSignature(Type));
}
void DwarfUnit::addDIEEntry(DIE &Die, dwarf::Attribute Attribute,
DIEEntry Entry) {
DIEEntry *Entry) {
const DIE *DieCU = Die.getUnitOrNull();
const DIE *EntryCU = Entry.getEntry().getUnitOrNull();
const DIE *EntryCU = Entry->getEntry().getUnitOrNull();
if (!DieCU)
// We assume that Die belongs to this CU, if it is not linked to any CU yet.
DieCU = &getUnitDie();
@ -460,7 +471,7 @@ void DwarfUnit::addBlockByrefAddress(const DbgVariable &DV, DIE &Die,
// Decode the original location, and use that as the start of the byref
// variable's location.
DIELoc *Loc = new (DIEValueAllocator) DIELoc;
DIELoc *Loc = new (DIEValueAllocator) DIELoc();
bool validReg;
if (Location.isReg())
@ -577,7 +588,7 @@ static uint64_t getBaseTypeSize(DwarfDebug *DD, const DIDerivedType *Ty) {
void DwarfUnit::addConstantFPValue(DIE &Die, const MachineOperand &MO) {
assert(MO.isFPImm() && "Invalid machine operand!");
DIEBlock *Block = new (DIEValueAllocator) DIEBlock;
DIEBlock *Block = new (DIEValueAllocator) DIEBlock();
APFloat FPImm = MO.getFPImm()->getValueAPF();
// Get the raw data form of the floating point.
@ -633,7 +644,7 @@ void DwarfUnit::addConstantValue(DIE &Die, const APInt &Val, bool Unsigned) {
return;
}
DIEBlock *Block = new (DIEValueAllocator) DIEBlock;
DIEBlock *Block = new (DIEValueAllocator) DIEBlock();
// Get the raw data form of the large APInt.
const uint64_t *Ptr64 = Val.getRawData();
@ -766,7 +777,22 @@ void DwarfUnit::updateAcceleratorTables(const DIScope *Context,
void DwarfUnit::addType(DIE &Entity, const DIType *Ty,
dwarf::Attribute Attribute) {
assert(Ty && "Trying to add a type that doesn't exist?");
addDIEEntry(Entity, Attribute, DIEEntry(*getOrCreateTypeDIE(Ty)));
// Check for pre-existence.
DIEEntry *Entry = getDIEEntry(Ty);
// If it exists then use the existing value.
if (Entry) {
addDIEEntry(Entity, Attribute, Entry);
return;
}
// Construct type.
DIE *Buffer = getOrCreateTypeDIE(Ty);
// Set up proxy.
Entry = createDIEEntry(*Buffer);
insertDIEEntry(Ty, Entry);
addDIEEntry(Entity, Attribute, Entry);
}
std::string DwarfUnit::getParentContextString(const DIScope *Context) const {
@ -943,6 +969,12 @@ void DwarfUnit::constructTypeDIE(DIE &Buffer, const DICompositeType *CTy) {
if (unsigned PropertyAttributes = Property->getAttributes())
addUInt(ElemDie, dwarf::DW_AT_APPLE_property_attribute, None,
PropertyAttributes);
DIEEntry *Entry = getDIEEntry(Element);
if (!Entry) {
Entry = createDIEEntry(ElemDie);
insertDIEEntry(Element, Entry);
}
}
}
@ -1029,7 +1061,7 @@ void DwarfUnit::constructTemplateValueParameterDIE(
else if (GlobalValue *GV = mdconst::dyn_extract<GlobalValue>(Val)) {
// For declaration non-type template parameters (such as global values and
// functions)
DIELoc *Loc = new (DIEValueAllocator) DIELoc;
DIELoc *Loc = new (DIEValueAllocator) DIELoc();
addOpAddress(*Loc, Asm->getSymbol(GV));
// Emit DW_OP_stack_value to use the address as the immediate value of the
// parameter, rather than a pointer to it.
@ -1322,7 +1354,7 @@ void DwarfUnit::constructMemberDIE(DIE &Buffer, const DIDerivedType *DT) {
// expression to extract appropriate offset from vtable.
// BaseAddr = ObAddr + *((*ObAddr) - Offset)
DIELoc *VBaseLocationDie = new (DIEValueAllocator) DIELoc;
DIELoc *VBaseLocationDie = new (DIEValueAllocator) DIELoc();
addUInt(*VBaseLocationDie, dwarf::DW_FORM_data1, dwarf::DW_OP_dup);
addUInt(*VBaseLocationDie, dwarf::DW_FORM_data1, dwarf::DW_OP_deref);
addUInt(*VBaseLocationDie, dwarf::DW_FORM_data1, dwarf::DW_OP_constu);
@ -1361,7 +1393,7 @@ void DwarfUnit::constructMemberDIE(DIE &Buffer, const DIDerivedType *DT) {
OffsetInBytes = DT->getOffsetInBits() >> 3;
if (DD->getDwarfVersion() <= 2) {
DIELoc *MemLocationDie = new (DIEValueAllocator) DIELoc;
DIELoc *MemLocationDie = new (DIEValueAllocator) DIELoc();
addUInt(*MemLocationDie, dwarf::DW_FORM_data1, dwarf::DW_OP_plus_uconst);
addUInt(*MemLocationDie, dwarf::DW_FORM_udata, OffsetInBytes);
addBlock(MemberDie, dwarf::DW_AT_data_member_location, MemLocationDie);
@ -1385,10 +1417,10 @@ void DwarfUnit::constructMemberDIE(DIE &Buffer, const DIDerivedType *DT) {
dwarf::DW_VIRTUALITY_virtual);
// Objective-C properties.
if (DINode *PNode = DT->getObjCProperty())
if (DIE *PDie = getDIE(PNode))
if (MDNode *PNode = DT->getObjCProperty())
if (DIEEntry *PropertyDie = getDIEEntry(PNode))
MemberDie.addValue(dwarf::DW_AT_APPLE_property, dwarf::DW_FORM_ref4,
DIEEntry(*PDie));
PropertyDie);
if (DT->isArtificial())
addFlag(MemberDie, dwarf::DW_AT_artificial);

25
llvm/lib/CodeGen/AsmPrinter/DwarfUnit.h
View File

@ -93,6 +93,10 @@ protected:
/// information entries.
DenseMap<const MDNode *, DIE *> MDNodeToDieMap;
/// Tracks the mapping of unit level debug information descriptors to debug
/// information entries using a DIEEntry proxy.
DenseMap<const MDNode *, DIEEntry *> MDNodeToDIEEntryMap;
/// A list of all the DIEBlocks in use.
std::vector<DIEBlock *> DIEBlocks;
@ -107,6 +111,9 @@ protected:
// All DIEValues are allocated through this allocator.
BumpPtrAllocator DIEValueAllocator;
// A preallocated DIEValue because 1 is used frequently.
DIEInteger *DIEIntegerOne;
/// The section this unit will be emitted in.
MCSection *Section;
@ -173,7 +180,7 @@ public:
DIE *getDIE(const DINode *D) const;
/// \brief Returns a fresh newly allocated DIELoc.
DIELoc *getDIELoc() { return new (DIEValueAllocator) DIELoc; }
DIELoc *getDIELoc() { return new (DIEValueAllocator) DIELoc(); }
/// \brief Insert DIE into the map.
///
@ -226,7 +233,7 @@ public:
void addDIEEntry(DIE &Die, dwarf::Attribute Attribute, DIE &Entry);
/// \brief Add a DIE attribute data and value.
void addDIEEntry(DIE &Die, dwarf::Attribute Attribute, DIEEntry Entry);
void addDIEEntry(DIE &Die, dwarf::Attribute Attribute, DIEEntry *Entry);
void addDIETypeSignature(DIE &Die, const DwarfTypeUnit &Type);
@ -362,12 +369,26 @@ private:
/// If the DWARF version doesn't handle the language, return -1.
int64_t getDefaultLowerBound() const;
/// \brief Returns the DIE entry for the specified debug variable.
DIEEntry *getDIEEntry(const MDNode *N) const {
return MDNodeToDIEEntryMap.lookup(N);
}
/// \brief Insert debug information entry into the map.
void insertDIEEntry(const MDNode *N, DIEEntry *E) {
MDNodeToDIEEntryMap.insert(std::make_pair(N, E));
}
/// \brief Get an anonymous type for index type.
DIE *getIndexTyDie();
/// \brief Set D as anonymous type for index which can be reused later.
void setIndexTyDie(DIE *D) { IndexTyDie = D; }
/// \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(const DIScope *Context, const DIType *Ty,

115
llvm/tools/dsymutil/DwarfLinker.cpp
View File

@ -60,30 +60,6 @@ using HalfOpenIntervalMap =
typedef HalfOpenIntervalMap<uint64_t, int64_t> FunctionIntervals;
// FIXME: Delete this structure once DIE::Values has a stable iterator we can
// use instead.
struct PatchLocation {
DIE *Die;
unsigned Index;
PatchLocation() : Die(nullptr), Index(0) {}
PatchLocation(DIE &Die, unsigned Index) : Die(&Die), Index(Index) {}
void set(uint64_t New) const {
assert(Die);
assert(Index < Die->getValues().size());
assert(Die->getValues()[Index].getType() == DIEValue::isInteger);
Die->setValue(Index, DIEInteger(New));
}
uint64_t get() const {
assert(Die);
assert(Index < Die->getValues().size());
assert(Die->getValues()[Index].getType() == DIEValue::isInteger);
return Die->getValues()[Index].getDIEInteger().getValue();
}
};
/// \brief Stores all information relating to a compile unit, be it in
/// its original instance in the object file to its brand new cloned
/// and linked DIE tree.
@ -100,7 +76,7 @@ public:
CompileUnit(DWARFUnit &OrigUnit, unsigned ID)
: OrigUnit(OrigUnit), ID(ID), LowPc(UINT64_MAX), HighPc(0), RangeAlloc(),
Ranges(RangeAlloc) {
Ranges(RangeAlloc), UnitRangeAttribute(nullptr) {
Info.resize(OrigUnit.getNumDIEs());
}
@ -130,15 +106,13 @@ public:
uint64_t getLowPc() const { return LowPc; }
uint64_t getHighPc() const { return HighPc; }
Optional<PatchLocation> getUnitRangesAttribute() const {
return UnitRangeAttribute;
}
DIEInteger *getUnitRangesAttribute() const { return UnitRangeAttribute; }
const FunctionIntervals &getFunctionRanges() const { return Ranges; }
const std::vector<PatchLocation> &getRangesAttributes() const {
const std::vector<DIEInteger *> &getRangesAttributes() const {
return RangeAttributes;
}
const std::vector<std::pair<PatchLocation, int64_t>> &
const std::vector<std::pair<DIEInteger *, int64_t>> &
getLocationAttributes() const {
return LocationAttributes;
}
@ -153,7 +127,7 @@ public:
/// RefUnit by \p Attr. The attribute should be fixed up later to
/// point to the absolute offset of \p Die in the debug_info section.
void noteForwardReference(DIE *Die, const CompileUnit *RefUnit,
PatchLocation Attr);
DIEInteger *Attr);
/// \brief Apply all fixups recored by noteForwardReference().
void fixupForwardReferences();
@ -164,11 +138,11 @@ public:
/// \brief Keep track of a DW_AT_range attribute that we will need to
/// patch up later.
void noteRangeAttribute(const DIE &Die, PatchLocation Attr);
void noteRangeAttribute(const DIE &Die, DIEInteger *Attr);
/// \brief Keep track of a location attribute pointing to a location
/// list in the debug_loc section.
void noteLocationAttribute(PatchLocation Attr, int64_t PcOffset);
void noteLocationAttribute(DIEInteger *Attr, int64_t PcOffset);
/// \brief Add a name accelerator entry for \p Die with \p Name
/// which is stored in the string table at \p Offset.
@ -212,7 +186,7 @@ private:
/// The offsets for the attributes in this array couldn't be set while
/// cloning because for cross-cu forward refences the target DIE's
/// offset isn't known you emit the reference attribute.
std::vector<std::tuple<DIE *, const CompileUnit *, PatchLocation>>
std::vector<std::tuple<DIE *, const CompileUnit *, DIEInteger *>>
ForwardDIEReferences;
FunctionIntervals::Allocator RangeAlloc;
@ -224,15 +198,15 @@ private:
/// \brief DW_AT_ranges attributes to patch after we have gathered
/// all the unit's function addresses.
/// @{
std::vector<PatchLocation> RangeAttributes;
Optional<PatchLocation> UnitRangeAttribute;
std::vector<DIEInteger *> RangeAttributes;
DIEInteger *UnitRangeAttribute;
/// @}
/// \brief Location attributes that need to be transfered from th
/// original debug_loc section to the liked one. They are stored
/// along with the PC offset that is to be applied to their
/// function's address.
std::vector<std::pair<PatchLocation, int64_t>> LocationAttributes;
std::vector<std::pair<DIEInteger *, int64_t>> LocationAttributes;
/// \brief Accelerator entries for the unit, both for the pub*
/// sections and the apple* ones.
@ -255,7 +229,7 @@ uint64_t CompileUnit::computeNextUnitOffset() {
/// \brief Keep track of a forward cross-cu reference from this unit
/// to \p Die that lives in \p RefUnit.
void CompileUnit::noteForwardReference(DIE *Die, const CompileUnit *RefUnit,
PatchLocation Attr) {
DIEInteger *Attr) {
ForwardDIEReferences.emplace_back(Die, RefUnit, Attr);
}
@ -264,9 +238,9 @@ void CompileUnit::fixupForwardReferences() {
for (const auto &Ref : ForwardDIEReferences) {
DIE *RefDie;
const CompileUnit *RefUnit;
PatchLocation Attr;
DIEInteger *Attr;
std::tie(RefDie, RefUnit, Attr) = Ref;
Attr.set(RefDie->getOffset() + RefUnit->getStartOffset());
Attr->setValue(RefDie->getOffset() + RefUnit->getStartOffset());
}
}
@ -277,14 +251,14 @@ void CompileUnit::addFunctionRange(uint64_t FuncLowPc, uint64_t FuncHighPc,
this->HighPc = std::max(HighPc, FuncHighPc + PcOffset);
}
void CompileUnit::noteRangeAttribute(const DIE &Die, PatchLocation Attr) {
void CompileUnit::noteRangeAttribute(const DIE &Die, DIEInteger *Attr) {
if (Die.getTag() != dwarf::DW_TAG_compile_unit)
RangeAttributes.push_back(Attr);
else
UnitRangeAttribute = Attr;
}
void CompileUnit::noteLocationAttribute(PatchLocation Attr, int64_t PcOffset) {
void CompileUnit::noteLocationAttribute(DIEInteger *Attr, int64_t PcOffset) {
LocationAttributes.emplace_back(Attr, PcOffset);
}
@ -743,7 +717,8 @@ void DwarfStreamer::emitUnitRangesEntries(CompileUnit &Unit,
/// point to the new entries.
void DwarfStreamer::emitLocationsForUnit(const CompileUnit &Unit,
DWARFContext &Dwarf) {
const auto &Attributes = Unit.getLocationAttributes();
const std::vector<std::pair<DIEInteger *, int64_t>> &Attributes =
Unit.getLocationAttributes();
if (Attributes.empty())
return;
@ -762,8 +737,8 @@ void DwarfStreamer::emitLocationsForUnit(const CompileUnit &Unit,
UnitPcOffset = int64_t(OrigLowPc) - Unit.getLowPc();
for (const auto &Attr : Attributes) {
uint32_t Offset = Attr.first.get();
Attr.first.set(LocSectionSize);
uint32_t Offset = Attr.first->getValue();
Attr.first->setValue(LocSectionSize);
// This is the quantity to add to the old location address to get
// the correct address for the new one.
int64_t LocPcOffset = Attr.second + UnitPcOffset;
@ -1785,7 +1760,7 @@ unsigned DwarfLinker::cloneStringAttribute(DIE &Die, AttributeSpec AttrSpec,
const char *String = *Val.getAsCString(&U);
unsigned Offset = StringPool.getStringOffset(String);
Die.addValue(dwarf::Attribute(AttrSpec.Attr), dwarf::DW_FORM_strp,
DIEInteger(Offset));
new (DIEAlloc) DIEInteger(Offset));
return 4;
}
@ -1828,25 +1803,24 @@ unsigned DwarfLinker::cloneDieReferenceAttribute(
// to find the unit offset. (We don't have a DwarfDebug)
// FIXME: we should be able to design DIEEntry reliance on
// DwarfDebug away.
uint64_t Attr;
DIEInteger *Attr;
if (Ref < InputDIE.getOffset()) {
// We must have already cloned that DIE.
uint32_t NewRefOffset =
RefUnit->getStartOffset() + NewRefDie->getOffset();
Attr = NewRefOffset;
Attr = new (DIEAlloc) DIEInteger(NewRefOffset);
} else {
// A forward reference. Note and fixup later.
Attr = 0xBADDEF;
Unit.noteForwardReference(NewRefDie, RefUnit,
PatchLocation(Die, Die.getValues().size()));
Attr = new (DIEAlloc) DIEInteger(0xBADDEF);
Unit.noteForwardReference(NewRefDie, RefUnit, Attr);
}
Die.addValue(dwarf::Attribute(AttrSpec.Attr), dwarf::DW_FORM_ref_addr,
DIEInteger(Attr));
Attr);
return AttrSize;
}
Die.addValue(dwarf::Attribute(AttrSpec.Attr), dwarf::Form(AttrSpec.Form),
DIEEntry(*NewRefDie));
new (DIEAlloc) DIEEntry(*NewRefDie));
return AttrSize;
}
@ -1857,23 +1831,23 @@ unsigned DwarfLinker::cloneBlockAttribute(DIE &Die, AttributeSpec AttrSpec,
const DWARFFormValue &Val,
unsigned AttrSize) {
DIE *Attr;
DIEValue Value;
DIEValue *Value;
DIELoc *Loc = nullptr;
DIEBlock *Block = nullptr;
// Just copy the block data over.
if (AttrSpec.Form == dwarf::DW_FORM_exprloc) {
Loc = new (DIEAlloc) DIELoc;
Loc = new (DIEAlloc) DIELoc();
DIELocs.push_back(Loc);
} else {
Block = new (DIEAlloc) DIEBlock;
Block = new (DIEAlloc) DIEBlock();
DIEBlocks.push_back(Block);
}
Attr = Loc ? static_cast<DIE *>(Loc) : static_cast<DIE *>(Block);
Value = Loc ? DIEValue(Loc) : DIEValue(Block);
Value = Loc ? static_cast<DIEValue *>(Loc) : static_cast<DIEValue *>(Block);
ArrayRef<uint8_t> Bytes = *Val.getAsBlock();
for (auto Byte : Bytes)
Attr->addValue(static_cast<dwarf::Attribute>(0), dwarf::DW_FORM_data1,
DIEInteger(Byte));
new (DIEAlloc) DIEInteger(Byte));
// FIXME: If DIEBlock and DIELoc just reuses the Size field of
// the DIE class, this if could be replaced by
// Attr->setSize(Bytes.size()).
@ -1919,7 +1893,8 @@ unsigned DwarfLinker::cloneAddressAttribute(DIE &Die, AttributeSpec AttrSpec,
}
Die.addValue(static_cast<dwarf::Attribute>(AttrSpec.Attr),
static_cast<dwarf::Form>(AttrSpec.Form), DIEInteger(Addr));
static_cast<dwarf::Form>(AttrSpec.Form),
new (DIEAlloc) DIEInteger(Addr));
return Unit.getOrigUnit().getAddressByteSize();
}
@ -1947,16 +1922,15 @@ unsigned DwarfLinker::cloneScalarAttribute(
&Unit.getOrigUnit(), &InputDIE);
return 0;
}
DIEInteger Attr(Value);
DIEInteger *Attr = new (DIEAlloc) DIEInteger(Value);
if (AttrSpec.Attr == dwarf::DW_AT_ranges)
Unit.noteRangeAttribute(Die, PatchLocation(Die, Die.getValues().size()));
Unit.noteRangeAttribute(Die, Attr);
// A more generic way to check for location attributes would be
// nice, but it's very unlikely that any other attribute needs a
// location list.
else if (AttrSpec.Attr == dwarf::DW_AT_location ||
AttrSpec.Attr == dwarf::DW_AT_frame_base)
Unit.noteLocationAttribute(PatchLocation(Die, Die.getValues().size()),
Info.PCOffset);
Unit.noteLocationAttribute(Attr, Info.PCOffset);
else if (AttrSpec.Attr == dwarf::DW_AT_declaration && Value)
Info.IsDeclaration = true;
@ -2239,8 +2213,8 @@ void DwarfLinker::patchRangesForUnit(const CompileUnit &Unit,
UnitPcOffset = int64_t(OrigLowPc) - Unit.getLowPc();
for (const auto &RangeAttribute : Unit.getRangesAttributes()) {
uint32_t Offset = RangeAttribute.get();
RangeAttribute.set(Streamer->getRangesSectionSize());
uint32_t Offset = RangeAttribute->getValue();
RangeAttribute->setValue(Streamer->getRangesSectionSize());
RangeList.extract(RangeExtractor, &Offset);
const auto &Entries = RangeList.getEntries();
const DWARFDebugRangeList::RangeListEntry &First = Entries.front();
@ -2267,10 +2241,10 @@ void DwarfLinker::patchRangesForUnit(const CompileUnit &Unit,
/// but for the sake of initial bit-for-bit compatibility with legacy
/// dsymutil, we have to do it in a delayed pass.
void DwarfLinker::generateUnitRanges(CompileUnit &Unit) const {
auto Attr = Unit.getUnitRangesAttribute();
DIEInteger *Attr = Unit.getUnitRangesAttribute();
if (Attr)
Attr->set(Streamer->getRangesSectionSize());
Streamer->emitUnitRangesEntries(Unit, static_cast<bool>(Attr));
Attr->setValue(Streamer->getRangesSectionSize());
Streamer->emitUnitRangesEntries(Unit, Attr != nullptr);
}
/// \brief Insert the new line info sequence \p Seq into the current
@ -2327,8 +2301,9 @@ void DwarfLinker::patchLineTableForUnit(CompileUnit &Unit,
return AbbrevData.getAttribute() == dwarf::DW_AT_stmt_list;
});
assert(Stmt < Abbrev.end() && "Didn't find DW_AT_stmt_list in cloned DIE!");
OutputDIE->setValue(Stmt - Abbrev.begin(),
DIEInteger(Streamer->getLineSectionSize()));
DIEInteger *StmtAttr =
cast<DIEInteger>(OutputDIE->getValues()[Stmt - Abbrev.begin()]);
StmtAttr->setValue(Streamer->getLineSectionSize());
}
// Parse the original line info for the unit.

306
llvm/unittests/CodeGen/DIEHashTest.cpp
View File

@ -36,7 +36,7 @@ TEST_F(DIEHashTest, Data1) {
DIEHash Hash;
DIE Die(dwarf::DW_TAG_base_type);
DIEInteger Size(4);
Die.addValue(dwarf::DW_AT_byte_size, dwarf::DW_FORM_data1, Size);
Die.addValue(dwarf::DW_AT_byte_size, dwarf::DW_FORM_data1, &Size);
uint64_t MD5Res = Hash.computeTypeSignature(Die);
ASSERT_EQ(0x1AFE116E83701108ULL, MD5Res);
}
@ -45,11 +45,11 @@ TEST_F(DIEHashTest, Data1) {
TEST_F(DIEHashTest, TrivialType) {
DIE Unnamed(dwarf::DW_TAG_structure_type);
DIEInteger One(1);
Unnamed.addValue(dwarf::DW_AT_byte_size, dwarf::DW_FORM_data1, One);
Unnamed.addValue(dwarf::DW_AT_byte_size, dwarf::DW_FORM_data1, &One);
// Line and file number are ignored.
Unnamed.addValue(dwarf::DW_AT_decl_file, dwarf::DW_FORM_data1, One);
Unnamed.addValue(dwarf::DW_AT_decl_line, dwarf::DW_FORM_data1, One);
Unnamed.addValue(dwarf::DW_AT_decl_file, dwarf::DW_FORM_data1, &One);
Unnamed.addValue(dwarf::DW_AT_decl_line, dwarf::DW_FORM_data1, &One);
uint64_t MD5Res = DIEHash().computeTypeSignature(Unnamed);
// The exact same hash GCC produces for this DIE.
@ -61,8 +61,8 @@ TEST_F(DIEHashTest, NamedType) {
DIE Foo(dwarf::DW_TAG_structure_type);
DIEInteger One(1);
DIEString FooStr = getString("foo");
Foo.addValue(dwarf::DW_AT_name, dwarf::DW_FORM_strp, FooStr);
Foo.addValue(dwarf::DW_AT_byte_size, dwarf::DW_FORM_data1, One);
Foo.addValue(dwarf::DW_AT_name, dwarf::DW_FORM_strp, &FooStr);
Foo.addValue(dwarf::DW_AT_byte_size, dwarf::DW_FORM_data1, &One);
uint64_t MD5Res = DIEHash().computeTypeSignature(Foo);
@ -77,15 +77,15 @@ TEST_F(DIEHashTest, NamespacedType) {
auto Space = make_unique<DIE>(dwarf::DW_TAG_namespace);
DIEInteger One(1);
DIEString SpaceStr = getString("space");
Space->addValue(dwarf::DW_AT_name, dwarf::DW_FORM_strp, SpaceStr);
Space->addValue(dwarf::DW_AT_name, dwarf::DW_FORM_strp, &SpaceStr);
// DW_AT_declaration is ignored.
Space->addValue(dwarf::DW_AT_declaration, dwarf::DW_FORM_flag_present, One);
Space->addValue(dwarf::DW_AT_declaration, dwarf::DW_FORM_flag_present, &One);
// sibling?
auto Foo = make_unique<DIE>(dwarf::DW_TAG_structure_type);
DIEString FooStr = getString("foo");
Foo->addValue(dwarf::DW_AT_name, dwarf::DW_FORM_strp, FooStr);
Foo->addValue(dwarf::DW_AT_byte_size, dwarf::DW_FORM_data1, One);
Foo->addValue(dwarf::DW_AT_name, dwarf::DW_FORM_strp, &FooStr);
Foo->addValue(dwarf::DW_AT_byte_size, dwarf::DW_FORM_data1, &One);
DIE &N = *Foo;
Space->addChild(std::move(Foo));
@ -101,24 +101,24 @@ TEST_F(DIEHashTest, NamespacedType) {
TEST_F(DIEHashTest, TypeWithMember) {
DIE Unnamed(dwarf::DW_TAG_structure_type);
DIEInteger Four(4);
Unnamed.addValue(dwarf::DW_AT_byte_size, dwarf::DW_FORM_data1, Four);
Unnamed.addValue(dwarf::DW_AT_byte_size, dwarf::DW_FORM_data1, &Four);
DIE Int(dwarf::DW_TAG_base_type);
DIEString IntStr = getString("int");
Int.addValue(dwarf::DW_AT_name, dwarf::DW_FORM_strp, IntStr);
Int.addValue(dwarf::DW_AT_byte_size, dwarf::DW_FORM_data1, Four);
Int.addValue(dwarf::DW_AT_name, dwarf::DW_FORM_strp, &IntStr);
Int.addValue(dwarf::DW_AT_byte_size, dwarf::DW_FORM_data1, &Four);
DIEInteger Five(5);
Int.addValue(dwarf::DW_AT_encoding, dwarf::DW_FORM_data1, Five);
Int.addValue(dwarf::DW_AT_encoding, dwarf::DW_FORM_data1, &Five);
DIEEntry IntRef(Int);
auto Member = make_unique<DIE>(dwarf::DW_TAG_member);
DIEString MemberStr = getString("member");
Member->addValue(dwarf::DW_AT_name, dwarf::DW_FORM_strp, MemberStr);
Member->addValue(dwarf::DW_AT_name, dwarf::DW_FORM_strp, &MemberStr);
DIEInteger Zero(0);
Member->addValue(dwarf::DW_AT_data_member_location, dwarf::DW_FORM_data1,
Zero);
Member->addValue(dwarf::DW_AT_type, dwarf::DW_FORM_ref4, IntRef);
&Zero);
Member->addValue(dwarf::DW_AT_type, dwarf::DW_FORM_ref4, &IntRef);
Unnamed.addChild(std::move(Member));
@ -131,34 +131,34 @@ TEST_F(DIEHashTest, TypeWithMember) {
TEST_F(DIEHashTest, ReusedType) {
DIE Unnamed(dwarf::DW_TAG_structure_type);
DIEInteger Eight(8);
Unnamed.addValue(dwarf::DW_AT_byte_size, dwarf::DW_FORM_data1, Eight);
Unnamed.addValue(dwarf::DW_AT_byte_size, dwarf::DW_FORM_data1, &Eight);
DIEInteger Four(4);
DIE Int(dwarf::DW_TAG_base_type);
DIEString IntStr = getString("int");
Int.addValue(dwarf::DW_AT_name, dwarf::DW_FORM_strp, IntStr);
Int.addValue(dwarf::DW_AT_byte_size, dwarf::DW_FORM_data1, Four);
Int.addValue(dwarf::DW_AT_name, dwarf::DW_FORM_strp, &IntStr);
Int.addValue(dwarf::DW_AT_byte_size, dwarf::DW_FORM_data1, &Four);
DIEInteger Five(5);
Int.addValue(dwarf::DW_AT_encoding, dwarf::DW_FORM_data1, Five);
Int.addValue(dwarf::DW_AT_encoding, dwarf::DW_FORM_data1, &Five);
DIEEntry IntRef(Int);
auto Mem1 = make_unique<DIE>(dwarf::DW_TAG_member);
DIEString Mem1Str = getString("mem1");
Mem1->addValue(dwarf::DW_AT_name, dwarf::DW_FORM_strp, Mem1Str);
Mem1->addValue(dwarf::DW_AT_name, dwarf::DW_FORM_strp, &Mem1Str);
DIEInteger Zero(0);
Mem1->addValue(dwarf::DW_AT_data_member_location, dwarf::DW_FORM_data1,
Zero);
Mem1->addValue(dwarf::DW_AT_type, dwarf::DW_FORM_ref4, IntRef);
&Zero);
Mem1->addValue(dwarf::DW_AT_type, dwarf::DW_FORM_ref4, &IntRef);
Unnamed.addChild(std::move(Mem1));
auto Mem2 = make_unique<DIE>(dwarf::DW_TAG_member);
DIEString Mem2Str = getString("mem2");
Mem2->addValue(dwarf::DW_AT_name, dwarf::DW_FORM_strp, Mem2Str);
Mem2->addValue(dwarf::DW_AT_name, dwarf::DW_FORM_strp, &Mem2Str);
Mem2->addValue(dwarf::DW_AT_data_member_location, dwarf::DW_FORM_data1,
Four);
Mem2->addValue(dwarf::DW_AT_type, dwarf::DW_FORM_ref4, IntRef);
&Four);
Mem2->addValue(dwarf::DW_AT_type, dwarf::DW_FORM_ref4, &IntRef);
Unnamed.addChild(std::move(Mem2));
@ -171,15 +171,15 @@ TEST_F(DIEHashTest, ReusedType) {
TEST_F(DIEHashTest, RecursiveType) {
DIE Foo(dwarf::DW_TAG_structure_type);
DIEInteger One(1);
Foo.addValue(dwarf::DW_AT_byte_size, dwarf::DW_FORM_data1, One);
Foo.addValue(dwarf::DW_AT_byte_size, dwarf::DW_FORM_data1, &One);
DIEString FooStr = getString("foo");
Foo.addValue(dwarf::DW_AT_name, dwarf::DW_FORM_strp, FooStr);
Foo.addValue(dwarf::DW_AT_name, dwarf::DW_FORM_strp, &FooStr);
auto Mem = make_unique<DIE>(dwarf::DW_TAG_member);
DIEString MemStr = getString("mem");
Mem->addValue(dwarf::DW_AT_name, dwarf::DW_FORM_strp, MemStr);
Mem->addValue(dwarf::DW_AT_name, dwarf::DW_FORM_strp, &MemStr);
DIEEntry FooRef(Foo);
Mem->addValue(dwarf::DW_AT_type, dwarf::DW_FORM_ref4, FooRef);
Mem->addValue(dwarf::DW_AT_type, dwarf::DW_FORM_ref4, &FooRef);
// DW_AT_external and DW_AT_declaration are ignored anyway, so skip them.
Foo.addChild(std::move(Mem));
@ -193,23 +193,23 @@ TEST_F(DIEHashTest, RecursiveType) {
TEST_F(DIEHashTest, Pointer) {
DIE Foo(dwarf::DW_TAG_structure_type);
DIEInteger Eight(8);
Foo.addValue(dwarf::DW_AT_byte_size, dwarf::DW_FORM_data1, Eight);
Foo.addValue(dwarf::DW_AT_byte_size, dwarf::DW_FORM_data1, &Eight);
DIEString FooStr = getString("foo");
Foo.addValue(dwarf::DW_AT_name, dwarf::DW_FORM_strp, FooStr);
Foo.addValue(dwarf::DW_AT_name, dwarf::DW_FORM_strp, &FooStr);
auto Mem = make_unique<DIE>(dwarf::DW_TAG_member);
DIEString MemStr = getString("mem");
Mem->addValue(dwarf::DW_AT_name, dwarf::DW_FORM_strp, MemStr);
Mem->addValue(dwarf::DW_AT_name, dwarf::DW_FORM_strp, &MemStr);
DIEInteger Zero(0);
Mem->addValue(dwarf::DW_AT_data_member_location, dwarf::DW_FORM_data1, Zero);
Mem->addValue(dwarf::DW_AT_data_member_location, dwarf::DW_FORM_data1, &Zero);
DIE FooPtr(dwarf::DW_TAG_pointer_type);
FooPtr.addValue(dwarf::DW_AT_byte_size, dwarf::DW_FORM_data1, Eight);
FooPtr.addValue(dwarf::DW_AT_byte_size, dwarf::DW_FORM_data1, &Eight);
DIEEntry FooRef(Foo);
FooPtr.addValue(dwarf::DW_AT_type, dwarf::DW_FORM_ref4, FooRef);
FooPtr.addValue(dwarf::DW_AT_type, dwarf::DW_FORM_ref4, &FooRef);
DIEEntry FooPtrRef(FooPtr);
Mem->addValue(dwarf::DW_AT_type, dwarf::DW_FORM_ref4, FooPtrRef);
Mem->addValue(dwarf::DW_AT_type, dwarf::DW_FORM_ref4, &FooPtrRef);
Foo.addChild(std::move(Mem));
@ -222,27 +222,27 @@ TEST_F(DIEHashTest, Pointer) {
TEST_F(DIEHashTest, Reference) {
DIE Foo(dwarf::DW_TAG_structure_type);
DIEInteger Eight(8);
Foo.addValue(dwarf::DW_AT_byte_size, dwarf::DW_FORM_data1, Eight);
Foo.addValue(dwarf::DW_AT_byte_size, dwarf::DW_FORM_data1, &Eight);
DIEString FooStr = getString("foo");
Foo.addValue(dwarf::DW_AT_name, dwarf::DW_FORM_strp, FooStr);
Foo.addValue(dwarf::DW_AT_name, dwarf::DW_FORM_strp, &FooStr);
auto Mem = make_unique<DIE>(dwarf::DW_TAG_member);
DIEString MemStr = getString("mem");
Mem->addValue(dwarf::DW_AT_name, dwarf::DW_FORM_strp, MemStr);
Mem->addValue(dwarf::DW_AT_name, dwarf::DW_FORM_strp, &MemStr);
DIEInteger Zero(0);
Mem->addValue(dwarf::DW_AT_data_member_location, dwarf::DW_FORM_data1, Zero);
Mem->addValue(dwarf::DW_AT_data_member_location, dwarf::DW_FORM_data1, &Zero);
DIE FooRef(dwarf::DW_TAG_reference_type);
FooRef.addValue(dwarf::DW_AT_byte_size, dwarf::DW_FORM_data1, Eight);
FooRef.addValue(dwarf::DW_AT_byte_size, dwarf::DW_FORM_data1, &Eight);
DIEEntry FooEntry(Foo);
FooRef.addValue(dwarf::DW_AT_type, dwarf::DW_FORM_ref4, FooEntry);
FooRef.addValue(dwarf::DW_AT_type, dwarf::DW_FORM_ref4, &FooEntry);
DIE FooRefConst(dwarf::DW_TAG_const_type);
DIEEntry FooRefRef(FooRef);
FooRefConst.addValue(dwarf::DW_AT_type, dwarf::DW_FORM_ref4, FooRefRef);
FooRefConst.addValue(dwarf::DW_AT_type, dwarf::DW_FORM_ref4, &FooRefRef);
DIEEntry FooRefConstRef(FooRefConst);
Mem->addValue(dwarf::DW_AT_type, dwarf::DW_FORM_ref4, FooRefConstRef);
Mem->addValue(dwarf::DW_AT_type, dwarf::DW_FORM_ref4, &FooRefConstRef);
Foo.addChild(std::move(Mem));
@ -255,27 +255,27 @@ TEST_F(DIEHashTest, Reference) {
TEST_F(DIEHashTest, RValueReference) {
DIE Foo(dwarf::DW_TAG_structure_type);
DIEInteger Eight(8);
Foo.addValue(dwarf::DW_AT_byte_size, dwarf::DW_FORM_data1, Eight);
Foo.addValue(dwarf::DW_AT_byte_size, dwarf::DW_FORM_data1, &Eight);
DIEString FooStr = getString("foo");
Foo.addValue(dwarf::DW_AT_name, dwarf::DW_FORM_strp, FooStr);
Foo.addValue(dwarf::DW_AT_name, dwarf::DW_FORM_strp, &FooStr);
auto Mem = make_unique<DIE>(dwarf::DW_TAG_member);
DIEString MemStr = getString("mem");
Mem->addValue(dwarf::DW_AT_name, dwarf::DW_FORM_strp, MemStr);
Mem->addValue(dwarf::DW_AT_name, dwarf::DW_FORM_strp, &MemStr);
DIEInteger Zero(0);
Mem->addValue(dwarf::DW_AT_data_member_location, dwarf::DW_FORM_data1, Zero);
Mem->addValue(dwarf::DW_AT_data_member_location, dwarf::DW_FORM_data1, &Zero);
DIE FooRef(dwarf::DW_TAG_rvalue_reference_type);
FooRef.addValue(dwarf::DW_AT_byte_size, dwarf::DW_FORM_data1, Eight);
FooRef.addValue(dwarf::DW_AT_byte_size, dwarf::DW_FORM_data1, &Eight);
DIEEntry FooEntry(Foo);
FooRef.addValue(dwarf::DW_AT_type, dwarf::DW_FORM_ref4, FooEntry);
FooRef.addValue(dwarf::DW_AT_type, dwarf::DW_FORM_ref4, &FooEntry);
DIE FooRefConst(dwarf::DW_TAG_const_type);
DIEEntry FooRefRef(FooRef);
FooRefConst.addValue(dwarf::DW_AT_type, dwarf::DW_FORM_ref4, FooRefRef);
FooRefConst.addValue(dwarf::DW_AT_type, dwarf::DW_FORM_ref4, &FooRefRef);
DIEEntry FooRefConstRef(FooRefConst);
Mem->addValue(dwarf::DW_AT_type, dwarf::DW_FORM_ref4, FooRefConstRef);
Mem->addValue(dwarf::DW_AT_type, dwarf::DW_FORM_ref4, &FooRefConstRef);
Foo.addChild(std::move(Mem));
@ -288,24 +288,24 @@ TEST_F(DIEHashTest, RValueReference) {
TEST_F(DIEHashTest, PtrToMember) {
DIE Foo(dwarf::DW_TAG_structure_type);
DIEInteger Eight(8);
Foo.addValue(dwarf::DW_AT_byte_size, dwarf::DW_FORM_data1, Eight);
Foo.addValue(dwarf::DW_AT_byte_size, dwarf::DW_FORM_data1, &Eight);
DIEString FooStr = getString("foo");
Foo.addValue(dwarf::DW_AT_name, dwarf::DW_FORM_strp, FooStr);
Foo.addValue(dwarf::DW_AT_name, dwarf::DW_FORM_strp, &FooStr);
auto Mem = make_unique<DIE>(dwarf::DW_TAG_member);
DIEString MemStr = getString("mem");
Mem->addValue(dwarf::DW_AT_name, dwarf::DW_FORM_strp, MemStr);
Mem->addValue(dwarf::DW_AT_name, dwarf::DW_FORM_strp, &MemStr);
DIEInteger Zero(0);
Mem->addValue(dwarf::DW_AT_data_member_location, dwarf::DW_FORM_data1, Zero);
Mem->addValue(dwarf::DW_AT_data_member_location, dwarf::DW_FORM_data1, &Zero);
DIE PtrToFooMem(dwarf::DW_TAG_ptr_to_member_type);
DIEEntry FooEntry(Foo);
PtrToFooMem.addValue(dwarf::DW_AT_type, dwarf::DW_FORM_ref4, FooEntry);
PtrToFooMem.addValue(dwarf::DW_AT_type, dwarf::DW_FORM_ref4, &FooEntry);
PtrToFooMem.addValue(dwarf::DW_AT_containing_type, dwarf::DW_FORM_ref4,
FooEntry);
&FooEntry);
DIEEntry PtrToFooMemRef(PtrToFooMem);
Mem->addValue(dwarf::DW_AT_type, dwarf::DW_FORM_ref4, PtrToFooMemRef);
Mem->addValue(dwarf::DW_AT_type, dwarf::DW_FORM_ref4, &PtrToFooMemRef);
Foo.addChild(std::move(Mem));
@ -329,27 +329,27 @@ TEST_F(DIEHashTest, PtrToMemberDeclDefMatch) {
uint64_t MD5ResDecl;
{
DIE Bar(dwarf::DW_TAG_structure_type);
Bar.addValue(dwarf::DW_AT_name, dwarf::DW_FORM_strp, BarStr);
Bar.addValue(dwarf::DW_AT_declaration, dwarf::DW_FORM_flag_present, One);
Bar.addValue(dwarf::DW_AT_name, dwarf::DW_FORM_strp, &BarStr);
Bar.addValue(dwarf::DW_AT_declaration, dwarf::DW_FORM_flag_present, &One);
DIE Foo(dwarf::DW_TAG_structure_type);
Foo.addValue(dwarf::DW_AT_byte_size, dwarf::DW_FORM_data1, Eight);
Foo.addValue(dwarf::DW_AT_name, dwarf::DW_FORM_strp, FooStr);
Foo.addValue(dwarf::DW_AT_byte_size, dwarf::DW_FORM_data1, &Eight);
Foo.addValue(dwarf::DW_AT_name, dwarf::DW_FORM_strp, &FooStr);
auto Mem = make_unique<DIE>(dwarf::DW_TAG_member);
Mem->addValue(dwarf::DW_AT_name, dwarf::DW_FORM_strp, MemStr);
Mem->addValue(dwarf::DW_AT_name, dwarf::DW_FORM_strp, &MemStr);
Mem->addValue(dwarf::DW_AT_data_member_location, dwarf::DW_FORM_data1,
Zero);
&Zero);
DIE PtrToFooMem(dwarf::DW_TAG_ptr_to_member_type);
DIEEntry BarEntry(Bar);
PtrToFooMem.addValue(dwarf::DW_AT_type, dwarf::DW_FORM_ref4, BarEntry);
PtrToFooMem.addValue(dwarf::DW_AT_type, dwarf::DW_FORM_ref4, &BarEntry);
DIEEntry FooEntry(Foo);
PtrToFooMem.addValue(dwarf::DW_AT_containing_type, dwarf::DW_FORM_ref4,
FooEntry);
&FooEntry);
DIEEntry PtrToFooMemRef(PtrToFooMem);
Mem->addValue(dwarf::DW_AT_type, dwarf::DW_FORM_ref4, PtrToFooMemRef);
Mem->addValue(dwarf::DW_AT_type, dwarf::DW_FORM_ref4, &PtrToFooMemRef);
Foo.addChild(std::move(Mem));
@ -358,27 +358,27 @@ TEST_F(DIEHashTest, PtrToMemberDeclDefMatch) {
uint64_t MD5ResDef;
{
DIE Bar(dwarf::DW_TAG_structure_type);
Bar.addValue(dwarf::DW_AT_name, dwarf::DW_FORM_strp, BarStr);
Bar.addValue(dwarf::DW_AT_byte_size, dwarf::DW_FORM_data1, One);
Bar.addValue(dwarf::DW_AT_name, dwarf::DW_FORM_strp, &BarStr);
Bar.addValue(dwarf::DW_AT_byte_size, dwarf::DW_FORM_data1, &One);
DIE Foo(dwarf::DW_TAG_structure_type);
Foo.addValue(dwarf::DW_AT_byte_size, dwarf::DW_FORM_data1, Eight);
Foo.addValue(dwarf::DW_AT_name, dwarf::DW_FORM_strp, FooStr);
Foo.addValue(dwarf::DW_AT_byte_size, dwarf::DW_FORM_data1, &Eight);
Foo.addValue(dwarf::DW_AT_name, dwarf::DW_FORM_strp, &FooStr);
auto Mem = make_unique<DIE>(dwarf::DW_TAG_member);
Mem->addValue(dwarf::DW_AT_name, dwarf::DW_FORM_strp, MemStr);
Mem->addValue(dwarf::DW_AT_name, dwarf::DW_FORM_strp, &MemStr);
Mem->addValue(dwarf::DW_AT_data_member_location, dwarf::DW_FORM_data1,
Zero);
&Zero);
DIE PtrToFooMem(dwarf::DW_TAG_ptr_to_member_type);
DIEEntry BarEntry(Bar);
PtrToFooMem.addValue(dwarf::DW_AT_type, dwarf::DW_FORM_ref4, BarEntry);
PtrToFooMem.addValue(dwarf::DW_AT_type, dwarf::DW_FORM_ref4, &BarEntry);
DIEEntry FooEntry(Foo);
PtrToFooMem.addValue(dwarf::DW_AT_containing_type, dwarf::DW_FORM_ref4,
FooEntry);
&FooEntry);
DIEEntry PtrToFooMemRef(PtrToFooMem);
Mem->addValue(dwarf::DW_AT_type, dwarf::DW_FORM_ref4, PtrToFooMemRef);
Mem->addValue(dwarf::DW_AT_type, dwarf::DW_FORM_ref4, &PtrToFooMemRef);
Foo.addChild(std::move(Mem));
@ -402,26 +402,26 @@ TEST_F(DIEHashTest, PtrToMemberDeclDefMisMatch) {
uint64_t MD5ResDecl;
{
DIE Bar(dwarf::DW_TAG_structure_type);
Bar.addValue(dwarf::DW_AT_name, dwarf::DW_FORM_strp, BarStr);
Bar.addValue(dwarf::DW_AT_declaration, dwarf::DW_FORM_flag_present, One);
Bar.addValue(dwarf::DW_AT_name, dwarf::DW_FORM_strp, &BarStr);
Bar.addValue(dwarf::DW_AT_declaration, dwarf::DW_FORM_flag_present, &One);
DIE Foo(dwarf::DW_TAG_structure_type);
Foo.addValue(dwarf::DW_AT_byte_size, dwarf::DW_FORM_data1, Eight);
Foo.addValue(dwarf::DW_AT_name, dwarf::DW_FORM_strp, FooStr);
Foo.addValue(dwarf::DW_AT_byte_size, dwarf::DW_FORM_data1, &Eight);
Foo.addValue(dwarf::DW_AT_name, dwarf::DW_FORM_strp, &FooStr);
auto Mem = make_unique<DIE>(dwarf::DW_TAG_member);
Mem->addValue(dwarf::DW_AT_name, dwarf::DW_FORM_strp, MemStr);
Mem->addValue(dwarf::DW_AT_name, dwarf::DW_FORM_strp, &MemStr);
Mem->addValue(dwarf::DW_AT_data_member_location, dwarf::DW_FORM_data1,
Zero);
&Zero);
DIE PtrToFooMem(dwarf::DW_TAG_ptr_to_member_type);
DIEEntry BarEntry(Bar);
PtrToFooMem.addValue(dwarf::DW_AT_type, dwarf::DW_FORM_ref4, BarEntry);
PtrToFooMem.addValue(dwarf::DW_AT_type, dwarf::DW_FORM_ref4, &BarEntry);
PtrToFooMem.addValue(dwarf::DW_AT_containing_type, dwarf::DW_FORM_ref4,
BarEntry);
&BarEntry);
DIEEntry PtrToFooMemRef(PtrToFooMem);
Mem->addValue(dwarf::DW_AT_type, dwarf::DW_FORM_ref4, PtrToFooMemRef);
Mem->addValue(dwarf::DW_AT_type, dwarf::DW_FORM_ref4, &PtrToFooMemRef);
Foo.addChild(std::move(Mem));
@ -430,26 +430,26 @@ TEST_F(DIEHashTest, PtrToMemberDeclDefMisMatch) {
uint64_t MD5ResDef;
{
DIE Bar(dwarf::DW_TAG_structure_type);
Bar.addValue(dwarf::DW_AT_name, dwarf::DW_FORM_strp, BarStr);
Bar.addValue(dwarf::DW_AT_byte_size, dwarf::DW_FORM_data1, One);
Bar.addValue(dwarf::DW_AT_name, dwarf::DW_FORM_strp, &BarStr);
Bar.addValue(dwarf::DW_AT_byte_size, dwarf::DW_FORM_data1, &One);
DIE Foo(dwarf::DW_TAG_structure_type);
Foo.addValue(dwarf::DW_AT_byte_size, dwarf::DW_FORM_data1, Eight);
Foo.addValue(dwarf::DW_AT_name, dwarf::DW_FORM_strp, FooStr);
Foo.addValue(dwarf::DW_AT_byte_size, dwarf::DW_FORM_data1, &Eight);
Foo.addValue(dwarf::DW_AT_name, dwarf::DW_FORM_strp, &FooStr);
auto Mem = make_unique<DIE>(dwarf::DW_TAG_member);
Mem->addValue(dwarf::DW_AT_name, dwarf::DW_FORM_strp, MemStr);
Mem->addValue(dwarf::DW_AT_name, dwarf::DW_FORM_strp, &MemStr);
Mem->addValue(dwarf::DW_AT_data_member_location, dwarf::DW_FORM_data1,
Zero);
&Zero);
DIE PtrToFooMem(dwarf::DW_TAG_ptr_to_member_type);
DIEEntry BarEntry(Bar);
PtrToFooMem.addValue(dwarf::DW_AT_type, dwarf::DW_FORM_ref4, BarEntry);
PtrToFooMem.addValue(dwarf::DW_AT_type, dwarf::DW_FORM_ref4, &BarEntry);
PtrToFooMem.addValue(dwarf::DW_AT_containing_type, dwarf::DW_FORM_ref4,
BarEntry);
&BarEntry);
DIEEntry PtrToFooMemRef(PtrToFooMem);
Mem->addValue(dwarf::DW_AT_type, dwarf::DW_FORM_ref4, PtrToFooMemRef);
Mem->addValue(dwarf::DW_AT_type, dwarf::DW_FORM_ref4, &PtrToFooMemRef);
Foo.addChild(std::move(Mem));
@ -473,23 +473,23 @@ TEST_F(DIEHashTest, RefUnnamedType) {
DIEString MemStr = getString("mem");
DIE Unnamed(dwarf::DW_TAG_structure_type);
Unnamed.addValue(dwarf::DW_AT_byte_size, dwarf::DW_FORM_data1, One);
Unnamed.addValue(dwarf::DW_AT_byte_size, dwarf::DW_FORM_data1, &One);
DIE Foo(dwarf::DW_TAG_structure_type);
Foo.addValue(dwarf::DW_AT_byte_size, dwarf::DW_FORM_data1, Eight);
Foo.addValue(dwarf::DW_AT_name, dwarf::DW_FORM_strp, FooStr);
Foo.addValue(dwarf::DW_AT_byte_size, dwarf::DW_FORM_data1, &Eight);
Foo.addValue(dwarf::DW_AT_name, dwarf::DW_FORM_strp, &FooStr);
auto Mem = make_unique<DIE>(dwarf::DW_TAG_member);
Mem->addValue(dwarf::DW_AT_name, dwarf::DW_FORM_strp, MemStr);
Mem->addValue(dwarf::DW_AT_data_member_location, dwarf::DW_FORM_data1, Zero);
Mem->addValue(dwarf::DW_AT_name, dwarf::DW_FORM_strp, &MemStr);
Mem->addValue(dwarf::DW_AT_data_member_location, dwarf::DW_FORM_data1, &Zero);
DIE UnnamedPtr(dwarf::DW_TAG_pointer_type);
UnnamedPtr.addValue(dwarf::DW_AT_byte_size, dwarf::DW_FORM_data1, Eight);
UnnamedPtr.addValue(dwarf::DW_AT_byte_size, dwarf::DW_FORM_data1, &Eight);
DIEEntry UnnamedRef(Unnamed);
UnnamedPtr.addValue(dwarf::DW_AT_type, dwarf::DW_FORM_ref4, UnnamedRef);
UnnamedPtr.addValue(dwarf::DW_AT_type, dwarf::DW_FORM_ref4, &UnnamedRef);
DIEEntry UnnamedPtrRef(UnnamedPtr);
Mem->addValue(dwarf::DW_AT_type, dwarf::DW_FORM_ref4, UnnamedPtrRef);
Mem->addValue(dwarf::DW_AT_type, dwarf::DW_FORM_ref4, &UnnamedPtrRef);
Foo.addChild(std::move(Mem));
@ -502,12 +502,12 @@ TEST_F(DIEHashTest, RefUnnamedType) {
TEST_F(DIEHashTest, NestedType) {
DIE Unnamed(dwarf::DW_TAG_structure_type);
DIEInteger One(1);
Unnamed.addValue(dwarf::DW_AT_byte_size, dwarf::DW_FORM_data1, One);
Unnamed.addValue(dwarf::DW_AT_byte_size, dwarf::DW_FORM_data1, &One);
auto Foo = make_unique<DIE>(dwarf::DW_TAG_structure_type);
DIEString FooStr = getString("foo");
Foo->addValue(dwarf::DW_AT_name, dwarf::DW_FORM_strp, FooStr);
Foo->addValue(dwarf::DW_AT_byte_size, dwarf::DW_FORM_data1, One);
Foo->addValue(dwarf::DW_AT_name, dwarf::DW_FORM_strp, &FooStr);
Foo->addValue(dwarf::DW_AT_byte_size, dwarf::DW_FORM_data1, &One);
Unnamed.addChild(std::move(Foo));
@ -521,11 +521,11 @@ TEST_F(DIEHashTest, NestedType) {
TEST_F(DIEHashTest, MemberFunc) {
DIE Unnamed(dwarf::DW_TAG_structure_type);
DIEInteger One(1);
Unnamed.addValue(dwarf::DW_AT_byte_size, dwarf::DW_FORM_data1, One);
Unnamed.addValue(dwarf::DW_AT_byte_size, dwarf::DW_FORM_data1, &One);
auto Func = make_unique<DIE>(dwarf::DW_TAG_subprogram);
DIEString FuncStr = getString("func");
Func->addValue(dwarf::DW_AT_name, dwarf::DW_FORM_strp, FuncStr);
Func->addValue(dwarf::DW_AT_name, dwarf::DW_FORM_strp, &FuncStr);
Unnamed.addChild(std::move(Func));
@ -542,21 +542,21 @@ TEST_F(DIEHashTest, MemberFuncFlag) {
DIE A(dwarf::DW_TAG_structure_type);
DIEInteger One(1);
DIEString AStr = getString("A");
A.addValue(dwarf::DW_AT_name, dwarf::DW_FORM_strp, AStr);
A.addValue(dwarf::DW_AT_byte_size, dwarf::DW_FORM_data1, One);
A.addValue(dwarf::DW_AT_decl_file, dwarf::DW_FORM_data1, One);
A.addValue(dwarf::DW_AT_decl_line, dwarf::DW_FORM_data1, One);
A.addValue(dwarf::DW_AT_name, dwarf::DW_FORM_strp, &AStr);
A.addValue(dwarf::DW_AT_byte_size, dwarf::DW_FORM_data1, &One);
A.addValue(dwarf::DW_AT_decl_file, dwarf::DW_FORM_data1, &One);
A.addValue(dwarf::DW_AT_decl_line, dwarf::DW_FORM_data1, &One);
auto Func = make_unique<DIE>(dwarf::DW_TAG_subprogram);
DIEString FuncStr = getString("func");
DIEString FuncLinkage = getString("_ZN1A4funcEv");
DIEInteger Two(2);
Func->addValue(dwarf::DW_AT_external, dwarf::DW_FORM_flag_present, One);
Func->addValue(dwarf::DW_AT_name, dwarf::DW_FORM_strp, FuncStr);
Func->addValue(dwarf::DW_AT_decl_file, dwarf::DW_FORM_data1, One);
Func->addValue(dwarf::DW_AT_decl_line, dwarf::DW_FORM_data1, Two);
Func->addValue(dwarf::DW_AT_linkage_name, dwarf::DW_FORM_strp, FuncLinkage);
Func->addValue(dwarf::DW_AT_declaration, dwarf::DW_FORM_flag_present, One);
Func->addValue(dwarf::DW_AT_external, dwarf::DW_FORM_flag_present, &One);
Func->addValue(dwarf::DW_AT_name, dwarf::DW_FORM_strp, &FuncStr);
Func->addValue(dwarf::DW_AT_decl_file, dwarf::DW_FORM_data1, &One);
Func->addValue(dwarf::DW_AT_decl_line, dwarf::DW_FORM_data1, &Two);
Func->addValue(dwarf::DW_AT_linkage_name, dwarf::DW_FORM_strp, &FuncLinkage);
Func->addValue(dwarf::DW_AT_declaration, dwarf::DW_FORM_flag_present, &One);
A.addChild(std::move(Func));
@ -575,35 +575,35 @@ TEST_F(DIEHashTest, MemberSdata) {
DIE A(dwarf::DW_TAG_structure_type);
DIEInteger One(1);
DIEString AStr = getString("A");
A.addValue(dwarf::DW_AT_name, dwarf::DW_FORM_strp, AStr);
A.addValue(dwarf::DW_AT_byte_size, dwarf::DW_FORM_data1, One);
A.addValue(dwarf::DW_AT_decl_file, dwarf::DW_FORM_data1, One);
A.addValue(dwarf::DW_AT_decl_line, dwarf::DW_FORM_data1, One);
A.addValue(dwarf::DW_AT_name, dwarf::DW_FORM_strp, &AStr);
A.addValue(dwarf::DW_AT_byte_size, dwarf::DW_FORM_data1, &One);
A.addValue(dwarf::DW_AT_decl_file, dwarf::DW_FORM_data1, &One);
A.addValue(dwarf::DW_AT_decl_line, dwarf::DW_FORM_data1, &One);
DIEInteger Four(4);
DIEInteger Five(5);
DIEString FStr = getString("int");
DIE IntTyDIE(dwarf::DW_TAG_base_type);
IntTyDIE.addValue(dwarf::DW_AT_byte_size, dwarf::DW_FORM_data1, Four);
IntTyDIE.addValue(dwarf::DW_AT_encoding, dwarf::DW_FORM_data1, Five);
IntTyDIE.addValue(dwarf::DW_AT_name, dwarf::DW_FORM_strp, FStr);
IntTyDIE.addValue(dwarf::DW_AT_byte_size, dwarf::DW_FORM_data1, &Four);
IntTyDIE.addValue(dwarf::DW_AT_encoding, dwarf::DW_FORM_data1, &Five);
IntTyDIE.addValue(dwarf::DW_AT_name, dwarf::DW_FORM_strp, &FStr);
DIEEntry IntTy(IntTyDIE);
auto PITyDIE = make_unique<DIE>(dwarf::DW_TAG_const_type);
PITyDIE->addValue(dwarf::DW_AT_type, dwarf::DW_FORM_ref4, IntTy);
PITyDIE->addValue(dwarf::DW_AT_type, dwarf::DW_FORM_ref4, &IntTy);
DIEEntry PITy(*PITyDIE);
auto PI = make_unique<DIE>(dwarf::DW_TAG_member);
DIEString PIStr = getString("PI");
DIEInteger Two(2);
DIEInteger NegThree(-3);
PI->addValue(dwarf::DW_AT_name, dwarf::DW_FORM_strp, PIStr);
PI->addValue(dwarf::DW_AT_decl_file, dwarf::DW_FORM_data1, One);
PI->addValue(dwarf::DW_AT_decl_line, dwarf::DW_FORM_data1, Two);
PI->addValue(dwarf::DW_AT_type, dwarf::DW_FORM_ref4, PITy);
PI->addValue(dwarf::DW_AT_external, dwarf::DW_FORM_flag_present, One);
PI->addValue(dwarf::DW_AT_declaration, dwarf::DW_FORM_flag_present, One);
PI->addValue(dwarf::DW_AT_const_value, dwarf::DW_FORM_sdata, NegThree);
PI->addValue(dwarf::DW_AT_name, dwarf::DW_FORM_strp, &PIStr);
PI->addValue(dwarf::DW_AT_decl_file, dwarf::DW_FORM_data1, &One);
PI->addValue(dwarf::DW_AT_decl_line, dwarf::DW_FORM_data1, &Two);
PI->addValue(dwarf::DW_AT_type, dwarf::DW_FORM_ref4, &PITy);
PI->addValue(dwarf::DW_AT_external, dwarf::DW_FORM_flag_present, &One);
PI->addValue(dwarf::DW_AT_declaration, dwarf::DW_FORM_flag_present, &One);
PI->addValue(dwarf::DW_AT_const_value, dwarf::DW_FORM_sdata, &NegThree);
A.addChild(std::move(PI));
@ -620,32 +620,32 @@ TEST_F(DIEHashTest, MemberBlock) {
DIE A(dwarf::DW_TAG_structure_type);
DIEInteger One(1);
DIEString AStr = getString("A");
A.addValue(dwarf::DW_AT_name, dwarf::DW_FORM_strp, AStr);
A.addValue(dwarf::DW_AT_byte_size, dwarf::DW_FORM_data1, One);
A.addValue(dwarf::DW_AT_decl_file, dwarf::DW_FORM_data1, One);
A.addValue(dwarf::DW_AT_decl_line, dwarf::DW_FORM_data1, One);
A.addValue(dwarf::DW_AT_name, dwarf::DW_FORM_strp, &AStr);
A.addValue(dwarf::DW_AT_byte_size, dwarf::DW_FORM_data1, &One);
A.addValue(dwarf::DW_AT_decl_file, dwarf::DW_FORM_data1, &One);
A.addValue(dwarf::DW_AT_decl_line, dwarf::DW_FORM_data1, &One);
DIEInteger Four(4);
DIEString FStr = getString("float");
auto FloatTyDIE = make_unique<DIE>(dwarf::DW_TAG_base_type);
FloatTyDIE->addValue(dwarf::DW_AT_byte_size, dwarf::DW_FORM_data1, Four);
FloatTyDIE->addValue(dwarf::DW_AT_encoding, dwarf::DW_FORM_data1, Four);
FloatTyDIE->addValue(dwarf::DW_AT_name, dwarf::DW_FORM_strp, FStr);
FloatTyDIE->addValue(dwarf::DW_AT_byte_size, dwarf::DW_FORM_data1, &Four);
FloatTyDIE->addValue(dwarf::DW_AT_encoding, dwarf::DW_FORM_data1, &Four);
FloatTyDIE->addValue(dwarf::DW_AT_name, dwarf::DW_FORM_strp, &FStr);
DIEEntry FloatTy(*FloatTyDIE);
auto PITyDIE = make_unique<DIE>(dwarf::DW_TAG_const_type);
PITyDIE->addValue(dwarf::DW_AT_type, dwarf::DW_FORM_ref4, FloatTy);
PITyDIE->addValue(dwarf::DW_AT_type, dwarf::DW_FORM_ref4, &FloatTy);
DIEEntry PITy(*PITyDIE);
auto PI = make_unique<DIE>(dwarf::DW_TAG_member);
DIEString PIStr = getString("PI");
DIEInteger Two(2);
PI->addValue(dwarf::DW_AT_name, dwarf::DW_FORM_strp, PIStr);
PI->addValue(dwarf::DW_AT_decl_file, dwarf::DW_FORM_data1, One);
PI->addValue(dwarf::DW_AT_decl_line, dwarf::DW_FORM_data1, Two);
PI->addValue(dwarf::DW_AT_type, dwarf::DW_FORM_ref4, PITy);
PI->addValue(dwarf::DW_AT_external, dwarf::DW_FORM_flag_present, One);
PI->addValue(dwarf::DW_AT_declaration, dwarf::DW_FORM_flag_present, One);
PI->addValue(dwarf::DW_AT_name, dwarf::DW_FORM_strp, &PIStr);
PI->addValue(dwarf::DW_AT_decl_file, dwarf::DW_FORM_data1, &One);
PI->addValue(dwarf::DW_AT_decl_line, dwarf::DW_FORM_data1, &Two);
PI->addValue(dwarf::DW_AT_type, dwarf::DW_FORM_ref4, &PITy);
PI->addValue(dwarf::DW_AT_external, dwarf::DW_FORM_flag_present, &One);
PI->addValue(dwarf::DW_AT_declaration, dwarf::DW_FORM_flag_present, &One);
DIEBlock PIBlock;
DIEInteger Blk1(0xc3);
@ -653,10 +653,10 @@ TEST_F(DIEHashTest, MemberBlock) {
DIEInteger Blk3(0x48);
DIEInteger Blk4(0x40);
PIBlock.addValue((dwarf::Attribute)0, dwarf::DW_FORM_data1, Blk1);
PIBlock.addValue((dwarf::Attribute)0, dwarf::DW_FORM_data1, Blk2);
PIBlock.addValue((dwarf::Attribute)0, dwarf::DW_FORM_data1, Blk3);
PIBlock.addValue((dwarf::Attribute)0, dwarf::DW_FORM_data1, Blk4);
PIBlock.addValue((dwarf::Attribute)0, dwarf::DW_FORM_data1, &Blk1);
PIBlock.addValue((dwarf::Attribute)0, dwarf::DW_FORM_data1, &Blk2);
PIBlock.addValue((dwarf::Attribute)0, dwarf::DW_FORM_data1, &Blk3);
PIBlock.addValue((dwarf::Attribute)0, dwarf::DW_FORM_data1, &Blk4);
PI->addValue(dwarf::DW_AT_const_value, dwarf::DW_FORM_block1, &PIBlock);