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Rename CompileUnit->DwarfCompileUnit and TypeUnit->DwarfTypeUnit for

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clarity. No functional change.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@196844 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Eric Christopher 2013-12-09 23:57:44 +00:00
parent 757fb9069c
commit 4a644cc525
4 changed files with 104 additions and 93 deletions
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96
lib/CodeGen/AsmPrinter/DwarfDebug.cpp
View File

@ -373,7 +373,8 @@ bool DwarfDebug::isSubprogramContext(const MDNode *Context) {
// Find DIE for the given subprogram and attach appropriate DW_AT_low_pc
// and DW_AT_high_pc attributes. If there are global variables in this
// scope then create and insert DIEs for these variables.
DIE *DwarfDebug::updateSubprogramScopeDIE(CompileUnit *SPCU, DISubprogram SP) {
DIE *DwarfDebug::updateSubprogramScopeDIE(DwarfCompileUnit *SPCU,
DISubprogram SP) {
DIE *SPDie = SPCU->getDIE(SP);
assert(SPDie && "Unable to find subprogram DIE!");
@ -466,7 +467,7 @@ static void addSectionLabel(AsmPrinter *Asm, DwarfUnit *U, DIE *D,
U->addSectionDelta(D, A, L, Sec);
}
void DwarfDebug::addScopeRangeList(CompileUnit *TheCU, DIE *ScopeDIE,
void DwarfDebug::addScopeRangeList(DwarfCompileUnit *TheCU, DIE *ScopeDIE,
const SmallVectorImpl<InsnRange> &Range) {
// Emit offset in .debug_range as a relocatable label. emitDIE will handle
// emitting it appropriately.
@ -489,7 +490,7 @@ void DwarfDebug::addScopeRangeList(CompileUnit *TheCU, DIE *ScopeDIE,
// Construct new DW_TAG_lexical_block for this scope and attach
// DW_AT_low_pc/DW_AT_high_pc labels.
DIE *DwarfDebug::constructLexicalScopeDIE(CompileUnit *TheCU,
DIE *DwarfDebug::constructLexicalScopeDIE(DwarfCompileUnit *TheCU,
LexicalScope *Scope) {
if (isLexicalScopeDIENull(Scope))
return 0;
@ -523,7 +524,7 @@ DIE *DwarfDebug::constructLexicalScopeDIE(CompileUnit *TheCU,
// This scope represents inlined body of a function. Construct DIE to
// represent this concrete inlined copy of the function.
DIE *DwarfDebug::constructInlinedScopeDIE(CompileUnit *TheCU,
DIE *DwarfDebug::constructInlinedScopeDIE(DwarfCompileUnit *TheCU,
LexicalScope *Scope) {
const SmallVectorImpl<InsnRange> &ScopeRanges = Scope->getRanges();
assert(!ScopeRanges.empty() &&
@ -577,7 +578,8 @@ DIE *DwarfDebug::constructInlinedScopeDIE(CompileUnit *TheCU,
return ScopeDIE;
}
DIE *DwarfDebug::createScopeChildrenDIE(CompileUnit *TheCU, LexicalScope *Scope,
DIE *DwarfDebug::createScopeChildrenDIE(DwarfCompileUnit *TheCU,
LexicalScope *Scope,
SmallVectorImpl<DIE *> &Children) {
DIE *ObjectPointer = NULL;
@ -610,7 +612,8 @@ DIE *DwarfDebug::createScopeChildrenDIE(CompileUnit *TheCU, LexicalScope *Scope,
}
// Construct a DIE for this scope.
DIE *DwarfDebug::constructScopeDIE(CompileUnit *TheCU, LexicalScope *Scope) {
DIE *DwarfDebug::constructScopeDIE(DwarfCompileUnit *TheCU,
LexicalScope *Scope) {
if (!Scope || !Scope->getScopeNode())
return NULL;
@ -740,15 +743,15 @@ void DwarfDebug::addGnuPubAttributes(DwarfUnit *U, DIE *D) const {
DwarfGnuPubTypesSectionSym);
}
// Create new CompileUnit for the given metadata node with tag
// Create new DwarfCompileUnit for the given metadata node with tag
// DW_TAG_compile_unit.
CompileUnit *DwarfDebug::constructCompileUnit(DICompileUnit DIUnit) {
DwarfCompileUnit *DwarfDebug::constructDwarfCompileUnit(DICompileUnit DIUnit) {
StringRef FN = DIUnit.getFilename();
CompilationDir = DIUnit.getDirectory();
DIE *Die = new DIE(dwarf::DW_TAG_compile_unit);
CompileUnit *NewCU = new CompileUnit(InfoHolder.getUnits().size(), Die,
DIUnit, Asm, this, &InfoHolder);
DwarfCompileUnit *NewCU = new DwarfCompileUnit(
InfoHolder.getUnits().size(), Die, DIUnit, Asm, this, &InfoHolder);
InfoHolder.addUnit(NewCU);
FileIDCUMap[NewCU->getUniqueID()] = 0;
@ -831,12 +834,13 @@ CompileUnit *DwarfDebug::constructCompileUnit(DICompileUnit DIUnit) {
}
// Construct subprogram DIE.
void DwarfDebug::constructSubprogramDIE(CompileUnit *TheCU, const MDNode *N) {
void DwarfDebug::constructSubprogramDIE(DwarfCompileUnit *TheCU,
const MDNode *N) {
// FIXME: We should only call this routine once, however, during LTO if a
// program is defined in multiple CUs we could end up calling it out of
// beginModule as we walk the CUs.
CompileUnit *&CURef = SPMap[N];
DwarfCompileUnit *&CURef = SPMap[N];
if (CURef)
return;
CURef = TheCU;
@ -853,7 +857,7 @@ void DwarfDebug::constructSubprogramDIE(CompileUnit *TheCU, const MDNode *N) {
TheCU->addGlobalName(SP.getName(), SubprogramDie, resolve(SP.getContext()));
}
void DwarfDebug::constructImportedEntityDIE(CompileUnit *TheCU,
void DwarfDebug::constructImportedEntityDIE(DwarfCompileUnit *TheCU,
const MDNode *N) {
DIImportedEntity Module(N);
if (!Module.Verify())
@ -862,15 +866,15 @@ void DwarfDebug::constructImportedEntityDIE(CompileUnit *TheCU,
constructImportedEntityDIE(TheCU, Module, D);
}
void DwarfDebug::constructImportedEntityDIE(CompileUnit *TheCU, const MDNode *N,
DIE *Context) {
void DwarfDebug::constructImportedEntityDIE(DwarfCompileUnit *TheCU,
const MDNode *N, DIE *Context) {
DIImportedEntity Module(N);
if (!Module.Verify())
return;
return constructImportedEntityDIE(TheCU, Module, Context);
}
void DwarfDebug::constructImportedEntityDIE(CompileUnit *TheCU,
void DwarfDebug::constructImportedEntityDIE(DwarfCompileUnit *TheCU,
const DIImportedEntity &Module,
DIE *Context) {
assert(Module.Verify() &&
@ -921,7 +925,7 @@ void DwarfDebug::beginModule() {
for (unsigned i = 0, e = CU_Nodes->getNumOperands(); i != e; ++i) {
DICompileUnit CUNode(CU_Nodes->getOperand(i));
CompileUnit *CU = constructCompileUnit(CUNode);
DwarfCompileUnit *CU = constructDwarfCompileUnit(CUNode);
DIArray ImportedEntities = CUNode.getImportedEntities();
for (unsigned i = 0, e = ImportedEntities.getNumElements(); i != e; ++i)
ScopesWithImportedEntities.push_back(std::make_pair(
@ -994,7 +998,8 @@ void DwarfDebug::collectDeadVariables() {
continue;
// Construct subprogram DIE and add variables DIEs.
CompileUnit *SPCU = static_cast<CompileUnit *>(CUMap.lookup(TheCU));
DwarfCompileUnit *SPCU =
static_cast<DwarfCompileUnit *>(CUMap.lookup(TheCU));
assert(SPCU && "Unable to find Compile Unit!");
// FIXME: See the comment in constructSubprogramDIE about duplicate
// subprogram DIEs.
@ -1042,7 +1047,7 @@ static bool isContainedInAnonNamespace(DIE *Die) {
/// Test if the current CU language is C++ and that we have
/// a named type that is not contained in an anonymous namespace.
static bool shouldAddODRHash(TypeUnit *CU, DIE *Die) {
static bool shouldAddODRHash(DwarfTypeUnit *CU, DIE *Die) {
return CU->getLanguage() == dwarf::DW_LANG_C_plus_plus &&
getDIEStringAttr(Die, dwarf::DW_AT_name) != "" &&
!isContainedInAnonNamespace(Die);
@ -1078,7 +1083,8 @@ void DwarfDebug::finalizeModuleInfo() {
TheU->addUInt(TheU->getUnitDie(), dwarf::DW_AT_GNU_dwo_id,
dwarf::DW_FORM_data8, ID);
// Now construct the skeleton CU associated.
CompileUnit *SkCU = constructSkeletonCU(static_cast<CompileUnit *>(TheU));
DwarfCompileUnit *SkCU =
constructSkeletonCU(static_cast<DwarfCompileUnit *>(TheU));
// This should be a unique identifier when we want to build .dwp files.
SkCU->addUInt(SkCU->getUnitDie(), dwarf::DW_AT_GNU_dwo_id,
dwarf::DW_FORM_data8, ID);
@ -1586,11 +1592,11 @@ void DwarfDebug::beginFunction(const MachineFunction *MF) {
// Make sure that each lexical scope will have a begin/end label.
identifyScopeMarkers();
// Set DwarfCompileUnitID in MCContext to the Compile Unit this function
// Set DwarfDwarfCompileUnitID in MCContext to the Compile Unit this function
// belongs to so that we add to the correct per-cu line table in the
// non-asm case.
LexicalScope *FnScope = LScopes.getCurrentFunctionScope();
CompileUnit *TheCU = SPMap.lookup(FnScope->getScopeNode());
DwarfCompileUnit *TheCU = SPMap.lookup(FnScope->getScopeNode());
assert(TheCU && "Unable to find compile unit!");
if (Asm->TM.hasMCUseLoc() && Asm->OutStreamer.hasRawTextSupport())
// Use a single line table if we are using .loc and generating assembly.
@ -1815,14 +1821,14 @@ void DwarfDebug::endFunction(const MachineFunction *MF) {
FunctionEndSym = Asm->GetTempSymbol("func_end", Asm->getFunctionNumber());
// Assumes in correct section after the entry point.
Asm->OutStreamer.EmitLabel(FunctionEndSym);
// Set DwarfCompileUnitID in MCContext to default value.
// Set DwarfDwarfCompileUnitID in MCContext to default value.
Asm->OutStreamer.getContext().setDwarfCompileUnitID(0);
SmallPtrSet<const MDNode *, 16> ProcessedVars;
collectVariableInfo(ProcessedVars);
LexicalScope *FnScope = LScopes.getCurrentFunctionScope();
CompileUnit *TheCU = SPMap.lookup(FnScope->getScopeNode());
DwarfCompileUnit *TheCU = SPMap.lookup(FnScope->getScopeNode());
assert(TheCU && "Unable to find compile unit!");
// Construct abstract scopes.
@ -2068,7 +2074,7 @@ void DwarfDebug::emitDIE(DIE *Die) {
// For DW_FORM_ref_addr, output the offset from beginning of debug info
// section. Origin->getOffset() returns the offset from start of the
// compile unit.
CompileUnit *CU = CUDieMap.lookup(Origin->getUnit());
DwarfCompileUnit *CU = CUDieMap.lookup(Origin->getUnit());
assert(CU && "CUDie should belong to a CU.");
Addr += CU->getDebugInfoOffset();
if (Asm->MAI->doesDwarfUseRelocationsAcrossSections())
@ -2754,7 +2760,7 @@ void DwarfDebug::emitDebugARanges() {
Asm->OutStreamer.SwitchSection(
Asm->getObjFileLowering().getDwarfARangesSection());
typedef DenseMap<CompileUnit *, std::vector<ArangeSpan> > SpansType;
typedef DenseMap<DwarfCompileUnit *, std::vector<ArangeSpan> > SpansType;
SpansType Spans;
@ -2815,9 +2821,9 @@ void DwarfDebug::emitDebugARanges() {
unsigned PtrSize = Asm->getDataLayout().getPointerSize();
// Build a list of CUs used.
std::vector<CompileUnit *> CUs;
std::vector<DwarfCompileUnit *> CUs;
for (SpansType::iterator it = Spans.begin(); it != Spans.end(); it++) {
CompileUnit *CU = it->first;
DwarfCompileUnit *CU = it->first;
CUs.push_back(CU);
}
@ -2826,7 +2832,7 @@ void DwarfDebug::emitDebugARanges() {
// Emit an arange table for each CU we used.
for (size_t CUIdx = 0; CUIdx < CUs.size(); CUIdx++) {
CompileUnit *CU = CUs[CUIdx];
DwarfCompileUnit *CU = CUs[CUIdx];
std::vector<ArangeSpan> &List = Spans[CU];
// Emit size of content not including length itself.
@ -2895,10 +2901,10 @@ void DwarfDebug::emitDebugRanges() {
unsigned char Size = Asm->getDataLayout().getPointerSize();
// Grab the specific ranges for the compile units in the module.
for (DenseMap<const MDNode *, CompileUnit *>::iterator I = CUMap.begin(),
E = CUMap.end();
for (DenseMap<const MDNode *, DwarfCompileUnit *>::iterator I = CUMap.begin(),
E = CUMap.end();
I != E; ++I) {
CompileUnit *TheCU = I->second;
DwarfCompileUnit *TheCU = I->second;
// Emit a symbol so we can find the beginning of our ranges.
Asm->OutStreamer.EmitLabel(TheCU->getLabelRange());
@ -2949,11 +2955,11 @@ void DwarfDebug::emitDebugMacInfo() {
// This DIE has the following attributes: DW_AT_comp_dir, DW_AT_stmt_list,
// DW_AT_low_pc, DW_AT_high_pc, DW_AT_ranges, DW_AT_dwo_name, DW_AT_dwo_id,
// DW_AT_ranges_base, DW_AT_addr_base.
CompileUnit *DwarfDebug::constructSkeletonCU(const CompileUnit *CU) {
DwarfCompileUnit *DwarfDebug::constructSkeletonCU(const DwarfCompileUnit *CU) {
DIE *Die = new DIE(dwarf::DW_TAG_compile_unit);
CompileUnit *NewCU = new CompileUnit(CU->getUniqueID(), Die, CU->getNode(),
Asm, this, &SkeletonHolder);
DwarfCompileUnit *NewCU = new DwarfCompileUnit(
CU->getUniqueID(), Die, CU->getNode(), Asm, this, &SkeletonHolder);
NewCU->initSection(Asm->getObjFileLowering().getDwarfInfoSection(),
DwarfInfoSectionSym);
@ -3024,31 +3030,33 @@ void DwarfDebug::emitDebugStrDWO() {
OffSec, StrSym);
}
void DwarfDebug::addTypeUnitType(uint16_t Language, DIE *RefDie,
DICompositeType CTy) {
void DwarfDebug::addDwarfTypeUnitType(uint16_t Language, DIE *RefDie,
DICompositeType CTy) {
DenseMap<const MDNode *,
std::pair<uint64_t, SmallVectorImpl<DIE *> *> >::iterator I =
TypeUnits.find(CTy);
DwarfTypeUnits.find(CTy);
SmallVector<DIE *, 8> References;
References.push_back(RefDie);
if (I != TypeUnits.end()) {
if (I != DwarfTypeUnits.end()) {
if (I->second.second) {
I->second.second->push_back(RefDie);
return;
}
} else {
DIE *UnitDie = new DIE(dwarf::DW_TAG_type_unit);
TypeUnit *NewTU = new TypeUnit(InfoHolder.getUnits().size(), UnitDie,
Language, Asm, this, &InfoHolder);
DwarfTypeUnit *NewTU =
new DwarfTypeUnit(InfoHolder.getUnits().size(), UnitDie, Language, Asm,
this, &InfoHolder);
InfoHolder.addUnit(NewTU);
NewTU->addUInt(UnitDie, dwarf::DW_AT_language, dwarf::DW_FORM_data2,
Language);
// Register the type in the TypeUnits map with a vector of references to be
// Register the type in the DwarfTypeUnits map with a vector of references
// to be
// populated whenever a reference is required.
I = TypeUnits.insert(std::make_pair(CTy, std::make_pair(0, &References)))
.first;
I = DwarfTypeUnits.insert(std::make_pair(
CTy, std::make_pair(0, &References))).first;
// Construct the type, this may, recursively, require more type units that
// may in turn require this type again - in which case they will add DIEs to

52
lib/CodeGen/AsmPrinter/DwarfDebug.h
View File

@ -31,7 +31,7 @@
namespace llvm {
class DwarfUnit;
class CompileUnit;
class DwarfCompileUnit;
class ConstantInt;
class ConstantFP;
class DbgVariable;
@ -311,9 +311,9 @@ public:
/// \brief Helper used to pair up a symbol and its DWARF compile unit.
struct SymbolCU {
SymbolCU(CompileUnit *CU, const MCSymbol *Sym) : Sym(Sym), CU(CU) {}
SymbolCU(DwarfCompileUnit *CU, const MCSymbol *Sym) : Sym(Sym), CU(CU) {}
const MCSymbol *Sym;
CompileUnit *CU;
DwarfCompileUnit *CU;
};
/// \brief Collects and handles dwarf debug information.
@ -331,20 +331,20 @@ class DwarfDebug : public AsmPrinterHandler {
// this is just so that the DIEValue allocator has a place to store
// the particular elements.
// FIXME: Store these off of DwarfDebug instead?
CompileUnit *FirstCU;
DwarfCompileUnit *FirstCU;
// Maps MDNode with its corresponding CompileUnit.
DenseMap<const MDNode *, CompileUnit *> CUMap;
// Maps MDNode with its corresponding DwarfCompileUnit.
DenseMap<const MDNode *, DwarfCompileUnit *> CUMap;
// Maps subprogram MDNode with its corresponding CompileUnit.
DenseMap<const MDNode *, CompileUnit *> SPMap;
// Maps subprogram MDNode with its corresponding DwarfCompileUnit.
DenseMap<const MDNode *, DwarfCompileUnit *> SPMap;
// Maps a CU DIE with its corresponding CompileUnit.
DenseMap<const DIE *, CompileUnit *> CUDieMap;
// Maps a CU DIE with its corresponding DwarfCompileUnit.
DenseMap<const DIE *, DwarfCompileUnit *> CUDieMap;
/// Maps MDNodes for type sysstem with the corresponding DIEs. These DIEs can
/// be shared across CUs, that is why we keep the map here instead
/// of in CompileUnit.
/// of in DwarfCompileUnit.
DenseMap<const MDNode *, DIE *> MDTypeNodeToDieMap;
// Stores the current file ID for a given compile unit.
@ -456,7 +456,7 @@ class DwarfDebug : public AsmPrinterHandler {
// the pointer is null, the hash is immediately available in the uint64_t and
// should be directly used for proxy DIEs.
DenseMap<const MDNode *, std::pair<uint64_t, SmallVectorImpl<DIE *> *> >
TypeUnits;
DwarfTypeUnits;
// Whether to emit the pubnames/pubtypes sections.
bool HasDwarfPubSections;
@ -492,7 +492,7 @@ class DwarfDebug : public AsmPrinterHandler {
/// DW_AT_low_pc and DW_AT_high_pc attributes. If there are global
/// variables in this scope then create and insert DIEs for these
/// variables.
DIE *updateSubprogramScopeDIE(CompileUnit *SPCU, DISubprogram SP);
DIE *updateSubprogramScopeDIE(DwarfCompileUnit *SPCU, DISubprogram SP);
/// \brief A helper function to check whether the DIE for a given Scope is
/// going to be null.
@ -500,21 +500,21 @@ class DwarfDebug : public AsmPrinterHandler {
/// \brief A helper function to construct a RangeSpanList for a given
/// lexical scope.
void addScopeRangeList(CompileUnit *TheCU, DIE *ScopeDIE,
void addScopeRangeList(DwarfCompileUnit *TheCU, DIE *ScopeDIE,
const SmallVectorImpl<InsnRange> &Range);
/// \brief Construct new DW_TAG_lexical_block for this scope and
/// attach DW_AT_low_pc/DW_AT_high_pc labels.
DIE *constructLexicalScopeDIE(CompileUnit *TheCU, LexicalScope *Scope);
DIE *constructLexicalScopeDIE(DwarfCompileUnit *TheCU, LexicalScope *Scope);
/// \brief This scope represents inlined body of a function. Construct
/// DIE to represent this concrete inlined copy of the function.
DIE *constructInlinedScopeDIE(CompileUnit *TheCU, LexicalScope *Scope);
DIE *constructInlinedScopeDIE(DwarfCompileUnit *TheCU, LexicalScope *Scope);
/// \brief Construct a DIE for this scope.
DIE *constructScopeDIE(CompileUnit *TheCU, LexicalScope *Scope);
DIE *constructScopeDIE(DwarfCompileUnit *TheCU, LexicalScope *Scope);
/// A helper function to create children of a Scope DIE.
DIE *createScopeChildrenDIE(CompileUnit *TheCU, LexicalScope *Scope,
DIE *createScopeChildrenDIE(DwarfCompileUnit *TheCU, LexicalScope *Scope,
SmallVectorImpl<DIE *> &Children);
/// \brief Emit initial Dwarf sections with a label at the start of each one.
@ -597,7 +597,7 @@ class DwarfDebug : public AsmPrinterHandler {
/// \brief Construct the split debug info compile unit for the debug info
/// section.
CompileUnit *constructSkeletonCU(const CompileUnit *CU);
DwarfCompileUnit *constructSkeletonCU(const DwarfCompileUnit *CU);
/// \brief Emit the debug info dwo section.
void emitDebugInfoDWO();
@ -612,22 +612,22 @@ class DwarfDebug : public AsmPrinterHandler {
/// emit it here if we don't have a skeleton CU for split dwarf.
void addGnuPubAttributes(DwarfUnit *U, DIE *D) const;
/// \brief Create new CompileUnit for the given metadata node with tag
/// \brief Create new DwarfCompileUnit for the given metadata node with tag
/// DW_TAG_compile_unit.
CompileUnit *constructCompileUnit(DICompileUnit DIUnit);
DwarfCompileUnit *constructDwarfCompileUnit(DICompileUnit DIUnit);
/// \brief Construct subprogram DIE.
void constructSubprogramDIE(CompileUnit *TheCU, const MDNode *N);
void constructSubprogramDIE(DwarfCompileUnit *TheCU, const MDNode *N);
/// \brief Construct imported_module or imported_declaration DIE.
void constructImportedEntityDIE(CompileUnit *TheCU, const MDNode *N);
void constructImportedEntityDIE(DwarfCompileUnit *TheCU, const MDNode *N);
/// \brief Construct import_module DIE.
void constructImportedEntityDIE(CompileUnit *TheCU, const MDNode *N,
void constructImportedEntityDIE(DwarfCompileUnit *TheCU, const MDNode *N,
DIE *Context);
/// \brief Construct import_module DIE.
void constructImportedEntityDIE(CompileUnit *TheCU,
void constructImportedEntityDIE(DwarfCompileUnit *TheCU,
const DIImportedEntity &Module, DIE *Context);
/// \brief Register a source line with debug info. Returns the unique
@ -701,7 +701,7 @@ public:
/// \brief Add a DIE to the set of types that we're going to pull into
/// type units.
void addTypeUnitType(uint16_t Language, DIE *Die, DICompositeType CTy);
void addDwarfTypeUnitType(uint16_t Language, 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); }

37
lib/CodeGen/AsmPrinter/DwarfUnit.cpp
View File

@ -33,9 +33,10 @@
using namespace llvm;
static cl::opt<bool> GenerateTypeUnits("generate-type-units", cl::Hidden,
cl::desc("Generate DWARF4 type units."),
cl::init(false));
static cl::opt<bool>
GenerateDwarfTypeUnits("generate-type-units", cl::Hidden,
cl::desc("Generate DWARF4 type units."),
cl::init(false));
/// Unit - Unit constructor.
DwarfUnit::DwarfUnit(unsigned UID, DIE *D, DICompileUnit Node, AsmPrinter *A,
@ -45,14 +46,15 @@ DwarfUnit::DwarfUnit(unsigned UID, DIE *D, DICompileUnit Node, AsmPrinter *A,
DIEIntegerOne = new (DIEValueAllocator) DIEInteger(1);
}
CompileUnit::CompileUnit(unsigned UID, DIE *D, DICompileUnit Node,
AsmPrinter *A, DwarfDebug *DW, DwarfFile *DWU)
DwarfCompileUnit::DwarfCompileUnit(unsigned UID, DIE *D, DICompileUnit Node,
AsmPrinter *A, DwarfDebug *DW,
DwarfFile *DWU)
: DwarfUnit(UID, D, Node, A, DW, DWU) {
insertDIE(Node, D);
}
TypeUnit::TypeUnit(unsigned UID, DIE *D, uint16_t Language, AsmPrinter *A,
DwarfDebug *DW, DwarfFile *DWU)
DwarfTypeUnit::DwarfTypeUnit(unsigned UID, DIE *D, uint16_t Language,
AsmPrinter *A, DwarfDebug *DW, DwarfFile *DWU)
: DwarfUnit(UID, D, DICompileUnit(), A, DW, DWU), Language(Language) {}
/// ~Unit - Destructor for compile unit.
@ -123,7 +125,7 @@ static bool isShareableAcrossCUs(DIDescriptor D) {
// together.
return (D.isType() ||
(D.isSubprogram() && !DISubprogram(D).isDefinition())) &&
!GenerateTypeUnits;
!GenerateDwarfTypeUnits;
}
/// getDIE - Returns the debug information entry map slot for the
@ -270,8 +272,8 @@ void DwarfUnit::addSectionOffset(DIE *Die, dwarf::Attribute Attribute,
/// addLabelAddress - Add a dwarf label attribute data and value using
/// DW_FORM_addr or DW_FORM_GNU_addr_index.
///
void CompileUnit::addLabelAddress(DIE *Die, dwarf::Attribute Attribute,
MCSymbol *Label) {
void DwarfCompileUnit::addLabelAddress(DIE *Die, dwarf::Attribute Attribute,
MCSymbol *Label) {
if (Label)
DD->addArangeLabel(SymbolCU(this, Label));
@ -931,7 +933,7 @@ DIE *DwarfUnit::createTypeDIE(DICompositeType Ty) {
/// Return true if the type is appropriately scoped to be contained inside
/// its own type unit.
static bool isTypeUnitScoped(DIType Ty, const DwarfDebug *DD) {
static bool isDwarfTypeUnitScoped(DIType Ty, const DwarfDebug *DD) {
DIScope Parent = DD->resolve(Ty.getContext());
while (Parent) {
// Don't generate a hash for anything scoped inside a function.
@ -943,8 +945,9 @@ static bool isTypeUnitScoped(DIType Ty, const DwarfDebug *DD) {
}
/// Return true if the type should be split out into a type unit.
static bool shouldCreateTypeUnit(DICompositeType CTy, const DwarfDebug *DD) {
if (!GenerateTypeUnits)
static bool shouldCreateDwarfTypeUnit(DICompositeType CTy,
const DwarfDebug *DD) {
if (!GenerateDwarfTypeUnits)
return false;
uint16_t Tag = CTy.getTag();
@ -957,7 +960,7 @@ static bool shouldCreateTypeUnit(DICompositeType CTy, const DwarfDebug *DD) {
// If this is a class, structure, union, or enumeration type
// that is a definition (not a declaration), and not scoped
// inside a function then separate this out as a type unit.
return !CTy.isForwardDecl() && isTypeUnitScoped(CTy, DD);
return !CTy.isForwardDecl() && isDwarfTypeUnitScoped(CTy, DD);
default:
return false;
}
@ -989,8 +992,8 @@ DIE *DwarfUnit::getOrCreateTypeDIE(const MDNode *TyNode) {
constructTypeDIE(*TyDIE, DIBasicType(Ty));
else if (Ty.isCompositeType()) {
DICompositeType CTy(Ty);
if (shouldCreateTypeUnit(CTy, DD)) {
DD->addTypeUnitType(getLanguage(), TyDIE, CTy);
if (shouldCreateDwarfTypeUnit(CTy, DD)) {
DD->addDwarfTypeUnitType(getLanguage(), TyDIE, CTy);
// Skip updating the accellerator tables since this is not the full type
return TyDIE;
}
@ -1543,7 +1546,7 @@ static const ConstantExpr *getMergedGlobalExpr(const Value *V) {
}
/// createGlobalVariableDIE - create global variable DIE.
void CompileUnit::createGlobalVariableDIE(DIGlobalVariable GV) {
void DwarfCompileUnit::createGlobalVariableDIE(DIGlobalVariable GV) {
// Check for pre-existence.
if (getDIE(GV))
return;

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

@ -495,10 +495,10 @@ private:
void updateAcceleratorTables(DIScope Context, DIType Ty, const DIE *TyDIE);
};
class CompileUnit : public DwarfUnit {
class DwarfCompileUnit : public DwarfUnit {
public:
CompileUnit(unsigned UID, DIE *D, DICompileUnit Node, AsmPrinter *A,
DwarfDebug *DW, DwarfFile *DWU);
DwarfCompileUnit(unsigned UID, DIE *D, DICompileUnit Node, AsmPrinter *A,
DwarfDebug *DW, DwarfFile *DWU);
/// createGlobalVariableDIE - create global variable DIE.
void createGlobalVariableDIE(DIGlobalVariable GV);
@ -510,13 +510,13 @@ public:
uint16_t getLanguage() const { return getNode().getLanguage(); }
};
class TypeUnit : public DwarfUnit {
class DwarfTypeUnit : public DwarfUnit {
private:
uint16_t Language;
public:
TypeUnit(unsigned UID, DIE *D, uint16_t Language, AsmPrinter *A,
DwarfDebug *DW, DwarfFile *DWU);
DwarfTypeUnit(unsigned UID, DIE *D, uint16_t Language, AsmPrinter *A,
DwarfDebug *DW, DwarfFile *DWU);
uint16_t getLanguage() const { return Language; }
};