#include "llvm/Support/FormattedStream.h"
#include "llvm/Support/LEB128.h"
#include "llvm/Support/MD5.h"
+#include "llvm/Support/raw_ostream.h"
using namespace llvm;
//===----------------------------------------------------------------------===//
void DIEAbbrev::dump() { print(dbgs()); }
#endif
+DIEAbbrev DIE::generateAbbrev() const {
+ DIEAbbrev Abbrev(Tag, hasChildren());
+ for (const DIEValue &V : Values)
+ Abbrev.AddAttribute(V.getAttribute(), V.getForm());
+ return Abbrev;
+}
+
/// Climb up the parent chain to get the unit DIE to which this DIE
/// belongs.
const DIE *DIE::getUnit() const {
return nullptr;
}
-DIEValue *DIE::findAttribute(dwarf::Attribute Attribute) const {
- const SmallVectorImpl<DIEValue *> &Values = getValues();
- const DIEAbbrev &Abbrevs = getAbbrev();
-
+DIEValue DIE::findAttribute(dwarf::Attribute Attribute) const {
// Iterate through all the attributes until we find the one we're
// looking for, if we can't find it return NULL.
- for (size_t i = 0; i < Values.size(); ++i)
- if (Abbrevs.getData()[i].getAttribute() == Attribute)
- return Values[i];
- return nullptr;
+ for (const auto &V : values())
+ if (V.getAttribute() == Attribute)
+ return V;
+ return DIEValue();
}
#ifndef NDEBUG
void DIE::print(raw_ostream &O, unsigned IndentCount) const {
const std::string Indent(IndentCount, ' ');
- bool isBlock = Abbrev.getTag() == 0;
+ bool isBlock = getTag() == 0;
if (!isBlock) {
O << Indent
<< ", Size: " << Size << "\n";
O << Indent
- << dwarf::TagString(Abbrev.getTag())
+ << dwarf::TagString(getTag())
<< " "
- << dwarf::ChildrenString(Abbrev.hasChildren()) << "\n";
+ << dwarf::ChildrenString(hasChildren()) << "\n";
} else {
O << "Size: " << Size << "\n";
}
- const SmallVectorImpl<DIEAbbrevData> &Data = Abbrev.getData();
-
IndentCount += 2;
- for (unsigned i = 0, N = Data.size(); i < N; ++i) {
+ unsigned I = 0;
+ for (const auto &V : Values) {
O << Indent;
if (!isBlock)
- O << dwarf::AttributeString(Data[i].getAttribute());
+ O << dwarf::AttributeString(V.getAttribute());
else
- O << "Blk[" << i << "]";
+ O << "Blk[" << I++ << "]";
- O << " "
- << dwarf::FormEncodingString(Data[i].getForm())
- << " ";
- Values[i]->print(O);
+ O << " " << dwarf::FormEncodingString(V.getForm()) << " ";
+ V.print(O);
O << "\n";
}
IndentCount -= 2;
- for (unsigned j = 0, M = Children.size(); j < M; ++j) {
- Children[j]->print(O, IndentCount+4);
- }
+ for (const auto &Child : children())
+ Child.print(O, IndentCount + 4);
if (!isBlock) O << "\n";
}
}
#endif
-void DIEValue::anchor() { }
+void DIEValue::EmitValue(const AsmPrinter *AP) const {
+ switch (Ty) {
+ case isNone:
+ llvm_unreachable("Expected valid DIEValue");
+#define HANDLE_DIEVALUE(T) \
+ case is##T: \
+ getDIE##T().EmitValue(AP, Form); \
+ break;
+#include "llvm/CodeGen/DIEValue.def"
+ }
+}
+
+unsigned DIEValue::SizeOf(const AsmPrinter *AP) const {
+ switch (Ty) {
+ case isNone:
+ llvm_unreachable("Expected valid DIEValue");
+#define HANDLE_DIEVALUE(T) \
+ case is##T: \
+ return getDIE##T().SizeOf(AP, Form);
+#include "llvm/CodeGen/DIEValue.def"
+ }
+ llvm_unreachable("Unknown DIE kind");
+}
#ifndef NDEBUG
+void DIEValue::print(raw_ostream &O) const {
+ switch (Ty) {
+ case isNone:
+ llvm_unreachable("Expected valid DIEValue");
+#define HANDLE_DIEVALUE(T) \
+ case is##T: \
+ getDIE##T().print(O); \
+ break;
+#include "llvm/CodeGen/DIEValue.def"
+ }
+}
+
void DIEValue::dump() const {
print(dbgs());
}
case dwarf::DW_FORM_flag_present:
// Emit something to keep the lines and comments in sync.
// FIXME: Is there a better way to do this?
- Asm->OutStreamer.AddBlankLine();
+ Asm->OutStreamer->AddBlankLine();
return;
case dwarf::DW_FORM_flag: // Fall thru
case dwarf::DW_FORM_ref1: // Fall thru
break;
default: llvm_unreachable("DIE Value form not supported yet");
}
- Asm->OutStreamer.EmitIntValue(Integer, Size);
+ Asm->OutStreamer->EmitIntValue(Integer, Size);
}
/// SizeOf - Determine size of integer value in bytes.
case dwarf::DW_FORM_sdata: return getSLEB128Size(Integer);
case dwarf::DW_FORM_addr: return AP->getDataLayout().getPointerSize();
case dwarf::DW_FORM_ref_addr:
- if (AP->OutStreamer.getContext().getDwarfVersion() == 2)
+ if (AP->OutStreamer->getContext().getDwarfVersion() == 2)
return AP->getDataLayout().getPointerSize();
return sizeof(int32_t);
- break;
default: llvm_unreachable("DIE Value form not supported yet");
}
}
/// EmitValue - Emit expression value.
///
void DIEExpr::EmitValue(const AsmPrinter *AP, dwarf::Form Form) const {
- AP->OutStreamer.EmitValue(Expr, SizeOf(AP, Form));
+ AP->OutStreamer->EmitValue(Expr, SizeOf(AP, Form));
}
/// SizeOf - Determine size of expression value in bytes.
}
#ifndef NDEBUG
-void DIEExpr::print(raw_ostream &O) const {
- O << "Expr: ";
- Expr->print(O);
-}
+void DIEExpr::print(raw_ostream &O) const { O << "Expr: " << *Expr; }
#endif
//===----------------------------------------------------------------------===//
}
#ifndef NDEBUG
-void DIELabel::print(raw_ostream &O) const {
- O << "Lbl: " << Label->getName();
-}
+void DIELabel::print(raw_ostream &O) const { O << "Lbl: " << Label->getName(); }
#endif
//===----------------------------------------------------------------------===//
/// EmitValue - Emit string value.
///
void DIEString::EmitValue(const AsmPrinter *AP, dwarf::Form Form) const {
- Access->EmitValue(AP, Form);
+ assert(
+ (Form == dwarf::DW_FORM_strp || Form == dwarf::DW_FORM_GNU_str_index) &&
+ "Expected valid string form");
+
+ // Index of string in symbol table.
+ if (Form == dwarf::DW_FORM_GNU_str_index) {
+ DIEInteger(S.getIndex()).EmitValue(AP, Form);
+ return;
+ }
+
+ // Relocatable symbol.
+ assert(Form == dwarf::DW_FORM_strp);
+ if (AP->MAI->doesDwarfUseRelocationsAcrossSections()) {
+ DIELabel(S.getSymbol()).EmitValue(AP, Form);
+ return;
+ }
+
+ // Offset into symbol table.
+ DIEInteger(S.getOffset()).EmitValue(AP, Form);
}
/// SizeOf - Determine size of delta value in bytes.
///
unsigned DIEString::SizeOf(const AsmPrinter *AP, dwarf::Form Form) const {
- return Access->SizeOf(AP, Form);
+ assert(
+ (Form == dwarf::DW_FORM_strp || Form == dwarf::DW_FORM_GNU_str_index) &&
+ "Expected valid string form");
+
+ // Index of string in symbol table.
+ if (Form == dwarf::DW_FORM_GNU_str_index)
+ return DIEInteger(S.getIndex()).SizeOf(AP, Form);
+
+ // Relocatable symbol.
+ if (AP->MAI->doesDwarfUseRelocationsAcrossSections())
+ return DIELabel(S.getSymbol()).SizeOf(AP, Form);
+
+ // Offset into symbol table.
+ return DIEInteger(S.getOffset()).SizeOf(AP, Form);
}
#ifndef NDEBUG
void DIEString::print(raw_ostream &O) const {
- O << "String: " << Str << "\tSymbol: ";
- Access->print(O);
+ O << "String: " << S.getString();
}
#endif
// DIEEntry Implementation
//===----------------------------------------------------------------------===//
-/// Emit something like ".long Hi+Offset-Lo" where the size in bytes of the
-/// directive is specified by Size and Hi/Lo specify the labels.
-static void emitLabelOffsetDifference(MCStreamer &Streamer, const MCSymbol *Hi,
- uint64_t Offset, const MCSymbol *Lo,
- unsigned Size) {
- MCContext &Context = Streamer.getContext();
-
- // Emit Hi+Offset - Lo
- // Get the Hi+Offset expression.
- const MCExpr *Plus =
- MCBinaryExpr::CreateAdd(MCSymbolRefExpr::Create(Hi, Context),
- MCConstantExpr::Create(Offset, Context), Context);
-
- // Get the Hi+Offset-Lo expression.
- const MCExpr *Diff = MCBinaryExpr::CreateSub(
- Plus, MCSymbolRefExpr::Create(Lo, Context), Context);
-
- // Otherwise, emit with .set (aka assignment).
- MCSymbol *SetLabel = Context.CreateTempSymbol();
- Streamer.EmitAssignment(SetLabel, Diff);
- Streamer.EmitSymbolValue(SetLabel, Size);
-}
-
/// EmitValue - Emit debug information entry offset.
///
void DIEEntry::EmitValue(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())
AP->EmitLabelPlusOffset(CU->getSectionSym(), Addr,
DIEEntry::getRefAddrSize(AP));
else
- emitLabelOffsetDifference(AP->OutStreamer, CU->getSectionSym(), Addr,
- CU->getSectionSym(),
- DIEEntry::getRefAddrSize(AP));
+ AP->OutStreamer->EmitIntValue(Addr, DIEEntry::getRefAddrSize(AP));
} else
- AP->EmitInt32(Entry.getOffset());
+ AP->EmitInt32(Entry->getOffset());
}
unsigned DIEEntry::getRefAddrSize(const AsmPrinter *AP) {
//===----------------------------------------------------------------------===//
// DIETypeSignature Implementation
//===----------------------------------------------------------------------===//
-void DIETypeSignature::EmitValue(const AsmPrinter *Asm, dwarf::Form Form) const {
+void DIETypeSignature::EmitValue(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());
+ O << format("Type Unit: 0x%lx", Unit->getTypeSignature());
}
-
-void DIETypeSignature::dump() const { print(dbgs()); }
#endif
//===----------------------------------------------------------------------===//
///
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());
+ for (const auto &V : Values)
+ Size += V.SizeOf(AP);
}
return Size;
Asm->EmitULEB128(Size); break;
}
- const SmallVectorImpl<DIEAbbrevData> &AbbrevData = Abbrev.getData();
- for (unsigned i = 0, N = Values.size(); i < N; ++i)
- Values[i]->EmitValue(Asm, AbbrevData[i].getForm());
+ for (const auto &V : Values)
+ V.EmitValue(Asm);
}
/// SizeOf - Determine size of location data in bytes.
///
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());
+ for (const auto &V : Values)
+ Size += V.SizeOf(AP);
}
return Size;
case dwarf::DW_FORM_block: Asm->EmitULEB128(Size); break;
}
- const SmallVectorImpl<DIEAbbrevData> &AbbrevData = Abbrev.getData();
- for (unsigned i = 0, N = Values.size(); i < N; ++i)
- Values[i]->EmitValue(Asm, AbbrevData[i].getForm());
+ for (const auto &V : Values)
+ V.EmitValue(Asm);
}
/// SizeOf - Determine size of block data in bytes.
///
void DIELocList::EmitValue(const AsmPrinter *AP, dwarf::Form Form) const {
DwarfDebug *DD = AP->getDwarfDebug();
- MCSymbol *Label = DD->getDebugLocEntries()[Index].Label;
-
- if (AP->MAI->doesDwarfUseRelocationsAcrossSections() && !DD->useSplitDwarf())
- AP->EmitSectionOffset(Label, DD->getDebugLocSym());
- else
- AP->EmitLabelDifference(Label, DD->getDebugLocSym(), 4);
+ MCSymbol *Label = DD->getDebugLocs().getList(Index).Label;
+ AP->emitDwarfSymbolReference(Label, /*ForceOffset*/ DD->useSplitDwarf());
}
#ifndef NDEBUG
-void DIELocList::print(raw_ostream &O) const {
- O << "LocList: " << Index;
-
-}
+void DIELocList::print(raw_ostream &O) const { O << "LocList: " << Index; }
#endif
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