X-Git-Url: http://plrg.eecs.uci.edu/git/?a=blobdiff_plain;f=lib%2FCodeGen%2FAsmPrinter%2FDIE.cpp;h=46dbc7693698d39e1277886ffcb08dc2be88d345;hb=34c6bb0ef046b1d4c4387de8553942a4bb4bcde1;hp=79c4b438f8e0b54703d58d3b8a2614c2cbce1a5c;hpb=0cefb0ecbc995f53fc8724105fa4a42bebbf4110;p=oota-llvm.git diff --git a/lib/CodeGen/AsmPrinter/DIE.cpp b/lib/CodeGen/AsmPrinter/DIE.cpp index 79c4b438f8e..46dbc769369 100644 --- a/lib/CodeGen/AsmPrinter/DIE.cpp +++ b/lib/CodeGen/AsmPrinter/DIE.cpp @@ -11,20 +11,24 @@ // //===----------------------------------------------------------------------===// -#include "DIE.h" +#include "llvm/CodeGen/DIE.h" +#include "DwarfCompileUnit.h" #include "DwarfDebug.h" #include "DwarfUnit.h" #include "llvm/ADT/Twine.h" #include "llvm/CodeGen/AsmPrinter.h" #include "llvm/IR/DataLayout.h" #include "llvm/MC/MCAsmInfo.h" +#include "llvm/MC/MCContext.h" #include "llvm/MC/MCStreamer.h" #include "llvm/MC/MCSymbol.h" #include "llvm/Support/Debug.h" #include "llvm/Support/ErrorHandling.h" #include "llvm/Support/Format.h" #include "llvm/Support/FormattedStream.h" +#include "llvm/Support/LEB128.h" #include "llvm/Support/MD5.h" +#include "llvm/Support/raw_ostream.h" using namespace llvm; //===----------------------------------------------------------------------===// @@ -48,7 +52,7 @@ void DIEAbbrevData::Profile(FoldingSetNodeID &ID) const { /// void DIEAbbrev::Profile(FoldingSetNodeID &ID) const { ID.AddInteger(unsigned(Tag)); - ID.AddInteger(ChildrenFlag); + ID.AddInteger(unsigned(Children)); // For each attribute description. for (unsigned i = 0, N = Data.size(); i < N; ++i) @@ -57,12 +61,12 @@ void DIEAbbrev::Profile(FoldingSetNodeID &ID) const { /// Emit - Print the abbreviation using the specified asm printer. /// -void DIEAbbrev::Emit(AsmPrinter *AP) const { +void DIEAbbrev::Emit(const AsmPrinter *AP) const { // Emit its Dwarf tag type. AP->EmitULEB128(Tag, dwarf::TagString(Tag)); // Emit whether it has children DIEs. - AP->EmitULEB128(ChildrenFlag, dwarf::ChildrenString(ChildrenFlag)); + AP->EmitULEB128((unsigned)Children, dwarf::ChildrenString(Children)); // For each attribute description. for (unsigned i = 0, N = Data.size(); i < N; ++i) { @@ -89,7 +93,7 @@ void DIEAbbrev::print(raw_ostream &O) { << " " << dwarf::TagString(Tag) << " " - << dwarf::ChildrenString(ChildrenFlag) + << dwarf::ChildrenString(Children) << '\n'; for (unsigned i = 0, N = Data.size(); i < N; ++i) { @@ -103,13 +107,11 @@ void DIEAbbrev::print(raw_ostream &O) { void DIEAbbrev::dump() { print(dbgs()); } #endif -//===----------------------------------------------------------------------===// -// DIE Implementation -//===----------------------------------------------------------------------===// - -DIE::~DIE() { - for (unsigned i = 0, N = Children.size(); i < N; ++i) - delete Children[i]; +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 @@ -130,25 +132,22 @@ const DIE *DIE::getUnitOrNull() const { return p; p = p->getParent(); } - return NULL; + return nullptr; } -DIEValue *DIE::findAttribute(uint16_t Attribute) const { - const SmallVectorImpl &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 NULL; + 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 @@ -158,35 +157,31 @@ void DIE::print(raw_ostream &O, unsigned IndentCount) const { << ", Size: " << Size << "\n"; O << Indent - << dwarf::TagString(Abbrev.getTag()) + << dwarf::TagString(getTag()) << " " - << dwarf::ChildrenString(Abbrev.getChildrenFlag()) << "\n"; + << dwarf::ChildrenString(hasChildren()) << "\n"; } else { O << "Size: " << Size << "\n"; } - const SmallVectorImpl &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"; } @@ -196,9 +191,43 @@ void DIE::dump() { } #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()); } @@ -210,13 +239,13 @@ void DIEValue::dump() const { /// EmitValue - Emit integer of appropriate size. /// -void DIEInteger::EmitValue(AsmPrinter *Asm, dwarf::Form Form) const { +void DIEInteger::EmitValue(const AsmPrinter *Asm, dwarf::Form Form) const { unsigned Size = ~0U; switch (Form) { 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 @@ -224,6 +253,7 @@ void DIEInteger::EmitValue(AsmPrinter *Asm, dwarf::Form Form) const { case dwarf::DW_FORM_ref2: // Fall thru case dwarf::DW_FORM_data2: Size = 2; break; case dwarf::DW_FORM_sec_offset: // Fall thru + case dwarf::DW_FORM_strp: // Fall thru case dwarf::DW_FORM_ref4: // Fall thru case dwarf::DW_FORM_data4: Size = 4; break; case dwarf::DW_FORM_ref8: // Fall thru @@ -235,14 +265,17 @@ void DIEInteger::EmitValue(AsmPrinter *Asm, dwarf::Form Form) const { case dwarf::DW_FORM_sdata: Asm->EmitSLEB128(Integer); return; case dwarf::DW_FORM_addr: Size = Asm->getDataLayout().getPointerSize(); break; + case dwarf::DW_FORM_ref_addr: + Size = SizeOf(Asm, dwarf::DW_FORM_ref_addr); + 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. /// -unsigned DIEInteger::SizeOf(AsmPrinter *AP, dwarf::Form Form) const { +unsigned DIEInteger::SizeOf(const AsmPrinter *AP, dwarf::Form Form) const { switch (Form) { case dwarf::DW_FORM_flag_present: return 0; case dwarf::DW_FORM_flag: // Fall thru @@ -251,16 +284,21 @@ unsigned DIEInteger::SizeOf(AsmPrinter *AP, dwarf::Form Form) const { case dwarf::DW_FORM_ref2: // Fall thru case dwarf::DW_FORM_data2: return sizeof(int16_t); case dwarf::DW_FORM_sec_offset: // Fall thru + case dwarf::DW_FORM_strp: // Fall thru case dwarf::DW_FORM_ref4: // Fall thru case dwarf::DW_FORM_data4: return sizeof(int32_t); case dwarf::DW_FORM_ref8: // Fall thru case dwarf::DW_FORM_ref_sig8: // Fall thru case dwarf::DW_FORM_data8: return sizeof(int64_t); - case dwarf::DW_FORM_GNU_str_index: return MCAsmInfo::getULEB128Size(Integer); - case dwarf::DW_FORM_GNU_addr_index: return MCAsmInfo::getULEB128Size(Integer); - case dwarf::DW_FORM_udata: return MCAsmInfo::getULEB128Size(Integer); - case dwarf::DW_FORM_sdata: return MCAsmInfo::getSLEB128Size(Integer); + case dwarf::DW_FORM_GNU_str_index: return getULEB128Size(Integer); + case dwarf::DW_FORM_GNU_addr_index: return getULEB128Size(Integer); + case dwarf::DW_FORM_udata: return getULEB128Size(Integer); + 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) + return AP->getDataLayout().getPointerSize(); + return sizeof(int32_t); default: llvm_unreachable("DIE Value form not supported yet"); } } @@ -278,13 +316,13 @@ void DIEInteger::print(raw_ostream &O) const { /// EmitValue - Emit expression value. /// -void DIEExpr::EmitValue(AsmPrinter *AP, dwarf::Form Form) const { - AP->OutStreamer.EmitValue(Expr, SizeOf(AP, Form)); +void DIEExpr::EmitValue(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(AsmPrinter *AP, dwarf::Form Form) const { +unsigned DIEExpr::SizeOf(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; @@ -292,10 +330,7 @@ unsigned DIEExpr::SizeOf(AsmPrinter *AP, dwarf::Form Form) const { } #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 //===----------------------------------------------------------------------===// @@ -304,7 +339,7 @@ void DIEExpr::print(raw_ostream &O) const { /// EmitValue - Emit label value. /// -void DIELabel::EmitValue(AsmPrinter *AP, dwarf::Form Form) const { +void DIELabel::EmitValue(const AsmPrinter *AP, dwarf::Form Form) const { AP->EmitLabelReference(Label, SizeOf(AP, Form), Form == dwarf::DW_FORM_strp || Form == dwarf::DW_FORM_sec_offset || @@ -313,7 +348,7 @@ void DIELabel::EmitValue(AsmPrinter *AP, dwarf::Form Form) const { /// SizeOf - Determine size of label value in bytes. /// -unsigned DIELabel::SizeOf(AsmPrinter *AP, dwarf::Form Form) const { +unsigned DIELabel::SizeOf(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; @@ -321,9 +356,7 @@ unsigned DIELabel::SizeOf(AsmPrinter *AP, dwarf::Form Form) const { } #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 //===----------------------------------------------------------------------===// @@ -332,13 +365,13 @@ void DIELabel::print(raw_ostream &O) const { /// EmitValue - Emit delta value. /// -void DIEDelta::EmitValue(AsmPrinter *AP, dwarf::Form Form) const { +void DIEDelta::EmitValue(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(AsmPrinter *AP, dwarf::Form Form) const { +unsigned DIEDelta::SizeOf(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; @@ -357,20 +390,50 @@ void DIEDelta::print(raw_ostream &O) const { /// EmitValue - Emit string value. /// -void DIEString::EmitValue(AsmPrinter *AP, dwarf::Form Form) const { - Access->EmitValue(AP, Form); +void DIEString::EmitValue(const AsmPrinter *AP, dwarf::Form Form) const { + 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(AsmPrinter *AP, dwarf::Form Form) const { - return Access->SizeOf(AP, Form); +unsigned DIEString::SizeOf(const AsmPrinter *AP, dwarf::Form Form) const { + 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 @@ -380,11 +443,28 @@ void DIEString::print(raw_ostream &O) const { /// EmitValue - Emit debug information entry offset. /// -void DIEEntry::EmitValue(AsmPrinter *AP, dwarf::Form Form) const { - AP->EmitInt32(Entry->getOffset()); +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(); + 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()); + assert(CU && "CUDie should belong to a CU."); + Addr += CU->getDebugInfoOffset(); + if (AP->MAI->doesDwarfUseRelocationsAcrossSections()) + AP->EmitLabelPlusOffset(CU->getSectionSym(), Addr, + DIEEntry::getRefAddrSize(AP)); + else + AP->OutStreamer->EmitIntValue(Addr, DIEEntry::getRefAddrSize(AP)); + } else + AP->EmitInt32(Entry->getOffset()); } -unsigned DIEEntry::getRefAddrSize(AsmPrinter *AP) { +unsigned DIEEntry::getRefAddrSize(const AsmPrinter *AP) { // DWARF4: References that use the attribute form DW_FORM_ref_addr are // specified to be four bytes in the DWARF 32-bit format and eight bytes // in the DWARF 64-bit format, while DWARF Version 2 specifies that such @@ -398,24 +478,23 @@ unsigned DIEEntry::getRefAddrSize(AsmPrinter *AP) { #ifndef NDEBUG void DIEEntry::print(raw_ostream &O) const { - O << format("Die: 0x%lx", (long)(intptr_t)Entry); + O << format("Die: 0x%lx", (long)(intptr_t)&Entry); } #endif //===----------------------------------------------------------------------===// // DIETypeSignature Implementation //===----------------------------------------------------------------------===// -void DIETypeSignature::EmitValue(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 //===----------------------------------------------------------------------===// @@ -424,11 +503,10 @@ void DIETypeSignature::dump() const { print(dbgs()); } /// ComputeSize - calculate the size of the location expression. /// -unsigned DIELoc::ComputeSize(AsmPrinter *AP) { +unsigned DIELoc::ComputeSize(const AsmPrinter *AP) const { if (!Size) { - const SmallVectorImpl &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; @@ -436,7 +514,7 @@ unsigned DIELoc::ComputeSize(AsmPrinter *AP) { /// EmitValue - Emit location data. /// -void DIELoc::EmitValue(AsmPrinter *Asm, dwarf::Form Form) const { +void DIELoc::EmitValue(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; @@ -447,21 +525,20 @@ void DIELoc::EmitValue(AsmPrinter *Asm, dwarf::Form Form) const { Asm->EmitULEB128(Size); break; } - const SmallVectorImpl &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 DIELoc::SizeOf(AsmPrinter *AP, dwarf::Form Form) const { +unsigned DIELoc::SizeOf(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); case dwarf::DW_FORM_block4: return Size + sizeof(int32_t); case dwarf::DW_FORM_block: case dwarf::DW_FORM_exprloc: - return Size + MCAsmInfo::getULEB128Size(Size); + return Size + getULEB128Size(Size); default: llvm_unreachable("Improper form for block"); } } @@ -479,11 +556,10 @@ void DIELoc::print(raw_ostream &O) const { /// ComputeSize - calculate the size of the block. /// -unsigned DIEBlock::ComputeSize(AsmPrinter *AP) { +unsigned DIEBlock::ComputeSize(const AsmPrinter *AP) const { if (!Size) { - const SmallVectorImpl &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; @@ -491,7 +567,7 @@ unsigned DIEBlock::ComputeSize(AsmPrinter *AP) { /// EmitValue - Emit block data. /// -void DIEBlock::EmitValue(AsmPrinter *Asm, dwarf::Form Form) const { +void DIEBlock::EmitValue(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; @@ -500,19 +576,18 @@ void DIEBlock::EmitValue(AsmPrinter *Asm, dwarf::Form Form) const { case dwarf::DW_FORM_block: Asm->EmitULEB128(Size); break; } - const SmallVectorImpl &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. /// -unsigned DIEBlock::SizeOf(AsmPrinter *AP, dwarf::Form Form) const { +unsigned DIEBlock::SizeOf(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); case dwarf::DW_FORM_block4: return Size + sizeof(int32_t); - case dwarf::DW_FORM_block: return Size + MCAsmInfo::getULEB128Size(Size); + case dwarf::DW_FORM_block: return Size + getULEB128Size(Size); default: llvm_unreachable("Improper form for block"); } } @@ -523,3 +598,27 @@ void DIEBlock::print(raw_ostream &O) const { DIE::print(O, 5); } #endif + +//===----------------------------------------------------------------------===// +// DIELocList Implementation +//===----------------------------------------------------------------------===// + +unsigned DIELocList::SizeOf(const AsmPrinter *AP, dwarf::Form Form) const { + if (Form == dwarf::DW_FORM_data4) + return 4; + if (Form == dwarf::DW_FORM_sec_offset) + return 4; + return AP->getDataLayout().getPointerSize(); +} + +/// EmitValue - Emit label value. +/// +void DIELocList::EmitValue(const AsmPrinter *AP, dwarf::Form Form) const { + DwarfDebug *DD = AP->getDwarfDebug(); + 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; } +#endif