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DwarfUnit: Rename "Node" to "CUNode" and propagate it through DwarfTypeUnit as well.

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Since we'll now also need the split dwarf file name along with the
language in DwarfTypeUnits, just use the whole DICompileUnit rather than
explicitly handling each field needed.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@198842 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
David Blaikie 2014-01-09 03:23:41 +00:00
parent 75a032dc00
commit 2af945d2cd
4 changed files with 18 additions and 22 deletions
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13
lib/CodeGen/AsmPrinter/DwarfDebug.cpp
View File

@ -2938,12 +2938,12 @@ DwarfCompileUnit *DwarfDebug::constructSkeletonCU(const DwarfCompileUnit *CU) {
DIE *Die = new DIE(dwarf::DW_TAG_compile_unit);
DwarfCompileUnit *NewCU = new DwarfCompileUnit(
CU->getUniqueID(), Die, CU->getNode(), Asm, this, &SkeletonHolder);
CU->getUniqueID(), Die, CU->getCUNode(), Asm, this, &SkeletonHolder);
NewCU->initSection(Asm->getObjFileLowering().getDwarfInfoSection(),
DwarfInfoSectionSym);
NewCU->addLocalString(Die, dwarf::DW_AT_GNU_dwo_name,
CU->getNode().getSplitDebugFilename());
CU->getCUNode().getSplitDebugFilename());
// Relocate to the beginning of the addr_base section, else 0 for the
// beginning of the one for this compile unit.
@ -2999,19 +2999,20 @@ void DwarfDebug::emitDebugStrDWO() {
OffSec, StrSym);
}
void DwarfDebug::addDwarfTypeUnitType(uint16_t Language, StringRef Identifier,
DIE *RefDie, DICompositeType CTy) {
void DwarfDebug::addDwarfTypeUnitType(DICompileUnit CUNode,
StringRef Identifier, DIE *RefDie,
DICompositeType CTy) {
const DwarfTypeUnit *&TU = DwarfTypeUnits[CTy];
if (!TU) {
DIE *UnitDie = new DIE(dwarf::DW_TAG_type_unit);
DwarfTypeUnit *NewTU =
new DwarfTypeUnit(InfoHolder.getUnits().size(), UnitDie, Language, Asm,
new DwarfTypeUnit(InfoHolder.getUnits().size(), UnitDie, CUNode, Asm,
this, &InfoHolder);
TU = NewTU;
InfoHolder.addUnit(NewTU);
NewTU->addUInt(UnitDie, dwarf::DW_AT_language, dwarf::DW_FORM_data2,
Language);
CUNode.getLanguage());
DIE *Die = NewTU->createTypeDIE(CTy);

4
lib/CodeGen/AsmPrinter/DwarfDebug.h
View File

@ -695,8 +695,8 @@ public:
/// \brief Add a DIE to the set of types that we're going to pull into
/// type units.
void addDwarfTypeUnitType(uint16_t Language, StringRef Identifier, DIE *Die,
DICompositeType CTy);
void addDwarfTypeUnitType(DICompileUnit CUNode, StringRef Identifier,
DIE *Die, DICompositeType CTy);
/// \brief Add a label so that arange data can be generated for it.
void addArangeLabel(SymbolCU SCU) { ArangeLabels.push_back(SCU); }

11
lib/CodeGen/AsmPrinter/DwarfUnit.cpp
View File

@ -42,8 +42,8 @@ GenerateDwarfTypeUnits("generate-type-units", cl::Hidden,
/// Unit - Unit constructor.
DwarfUnit::DwarfUnit(unsigned UID, DIE *D, DICompileUnit Node, AsmPrinter *A,
DwarfDebug *DW, DwarfFile *DWU)
: UniqueID(UID), Node(Node), UnitDie(D), DebugInfoOffset(0), Asm(A), DD(DW),
DU(DWU), IndexTyDie(0), Section(0), Skeleton(0) {
: UniqueID(UID), CUNode(Node), UnitDie(D), DebugInfoOffset(0), Asm(A),
DD(DW), DU(DWU), IndexTyDie(0), Section(0), Skeleton(0) {
DIEIntegerOne = new (DIEValueAllocator) DIEInteger(1);
}
@ -54,9 +54,9 @@ DwarfCompileUnit::DwarfCompileUnit(unsigned UID, DIE *D, DICompileUnit Node,
insertDIE(Node, D);
}
DwarfTypeUnit::DwarfTypeUnit(unsigned UID, DIE *D, uint16_t Language,
DwarfTypeUnit::DwarfTypeUnit(unsigned UID, DIE *D, DICompileUnit CUNode,
AsmPrinter *A, DwarfDebug *DW, DwarfFile *DWU)
: DwarfUnit(UID, D, DICompileUnit(), A, DW, DWU), Language(Language) {}
: DwarfUnit(UID, D, CUNode, A, DW, DWU) {}
/// ~Unit - Destructor for compile unit.
DwarfUnit::~DwarfUnit() {
@ -956,8 +956,7 @@ DIE *DwarfUnit::getOrCreateTypeDIE(const MDNode *TyNode) {
DICompositeType CTy(Ty);
if (GenerateDwarfTypeUnits && !Ty.isForwardDecl())
if (MDString *TypeId = CTy.getIdentifier()) {
DD->addDwarfTypeUnitType(getLanguage(), TypeId->getString(), TyDIE,
CTy);
DD->addDwarfTypeUnitType(getCUNode(), TypeId->getString(), TyDIE, CTy);
// Skip updating the accellerator tables since this is not the full type
return TyDIE;
}

12
lib/CodeGen/AsmPrinter/DwarfUnit.h
View File

@ -66,7 +66,7 @@ protected:
unsigned UniqueID;
/// Node - MDNode for the compile unit.
DICompileUnit Node;
DICompileUnit CUNode;
/// Unit debug information entry.
const OwningPtr<DIE> UnitDie;
@ -218,8 +218,8 @@ public:
// Accessors.
unsigned getUniqueID() const { return UniqueID; }
virtual uint16_t getLanguage() const = 0;
DICompileUnit getNode() const { return Node; }
uint16_t getLanguage() const { return CUNode.getLanguage(); }
DICompileUnit getCUNode() const { return CUNode; }
DIE *getUnitDie() const { return UnitDie.get(); }
const StringMap<const DIE *> &getGlobalNames() const { return GlobalNames; }
const StringMap<const DIE *> &getGlobalTypes() const { return GlobalTypes; }
@ -545,18 +545,15 @@ public:
/// addLabelAddress - Add a dwarf label attribute data and value using
/// either DW_FORM_addr or DW_FORM_GNU_addr_index.
void addLabelAddress(DIE *Die, dwarf::Attribute Attribute, MCSymbol *Label);
uint16_t getLanguage() const LLVM_OVERRIDE { return getNode().getLanguage(); }
};
class DwarfTypeUnit : public DwarfUnit {
private:
uint16_t Language;
uint64_t TypeSignature;
const DIE *Ty;
public:
DwarfTypeUnit(unsigned UID, DIE *D, uint16_t Language, AsmPrinter *A,
DwarfTypeUnit(unsigned UID, DIE *D, DICompileUnit CUNode, AsmPrinter *A,
DwarfDebug *DW, DwarfFile *DWU);
virtual ~DwarfTypeUnit() LLVM_OVERRIDE;
@ -564,7 +561,6 @@ public:
uint64_t getTypeSignature() const { return TypeSignature; }
void setType(const DIE *Ty) { this->Ty = Ty; }
uint16_t getLanguage() const LLVM_OVERRIDE { return Language; }
/// Emit the header for this unit, not including the initial length field.
void emitHeader(const MCSection *ASection, const MCSymbol *ASectionSym) const
LLVM_OVERRIDE;