DD->addArangeLabel(SymbolCU(this, Label));
unsigned idx = DD->getAddressPool().getIndex(Label);
- Die.addValue(Attribute, dwarf::DW_FORM_GNU_addr_index, DIEInteger(idx));
+ Die.addValue(DIEValueAllocator, Attribute, dwarf::DW_FORM_GNU_addr_index,
+ DIEInteger(idx));
}
void DwarfCompileUnit::addLocalLabelAddress(DIE &Die,
DD->addArangeLabel(SymbolCU(this, Label));
if (Label)
- Die.addValue(Attribute, dwarf::DW_FORM_addr, DIELabel(Label));
+ Die.addValue(DIEValueAllocator, Attribute, dwarf::DW_FORM_addr,
+ DIELabel(Label));
else
- Die.addValue(Attribute, dwarf::DW_FORM_addr, DIEInteger(0));
+ Die.addValue(DIEValueAllocator, Attribute, dwarf::DW_FORM_addr,
+ DIEInteger(0));
}
unsigned DwarfCompileUnit::getOrCreateSourceID(StringRef FileName,
DIELoc *Loc = new (DIEValueAllocator) DIELoc;
const MCSymbol *Sym = Asm->getSymbol(Global);
if (Global->isThreadLocal()) {
- // FIXME: Make this work with -gsplit-dwarf.
- unsigned PointerSize = Asm->getDataLayout().getPointerSize();
- assert((PointerSize == 4 || PointerSize == 8) &&
- "Add support for other sizes if necessary");
- // Based on GCC's support for TLS:
- if (!DD->useSplitDwarf()) {
- // 1) Start with a constNu of the appropriate pointer size
- addUInt(*Loc, dwarf::DW_FORM_data1,
- PointerSize == 4 ? dwarf::DW_OP_const4u : dwarf::DW_OP_const8u);
- // 2) containing the (relocated) offset of the TLS variable
- // within the module's TLS block.
- addExpr(*Loc, dwarf::DW_FORM_udata,
- Asm->getObjFileLowering().getDebugThreadLocalSymbol(Sym));
+ if (Asm->TM.Options.EmulatedTLS) {
+ // TODO: add debug info for emulated thread local mode.
} else {
- addUInt(*Loc, dwarf::DW_FORM_data1, dwarf::DW_OP_GNU_const_index);
- addUInt(*Loc, dwarf::DW_FORM_udata,
- DD->getAddressPool().getIndex(Sym, /* TLS */ true));
+ // FIXME: Make this work with -gsplit-dwarf.
+ unsigned PointerSize = Asm->getDataLayout().getPointerSize();
+ assert((PointerSize == 4 || PointerSize == 8) &&
+ "Add support for other sizes if necessary");
+ // Based on GCC's support for TLS:
+ if (!DD->useSplitDwarf()) {
+ // 1) Start with a constNu of the appropriate pointer size
+ addUInt(*Loc, dwarf::DW_FORM_data1, PointerSize == 4
+ ? dwarf::DW_OP_const4u
+ : dwarf::DW_OP_const8u);
+ // 2) containing the (relocated) offset of the TLS variable
+ // within the module's TLS block.
+ addExpr(*Loc, dwarf::DW_FORM_udata,
+ Asm->getObjFileLowering().getDebugThreadLocalSymbol(Sym));
+ } else {
+ addUInt(*Loc, dwarf::DW_FORM_data1, dwarf::DW_OP_GNU_const_index);
+ addUInt(*Loc, dwarf::DW_FORM_udata,
+ DD->getAddressPool().getIndex(Sym, /* TLS */ true));
+ }
+ // 3) followed by an OP to make the debugger do a TLS lookup.
+ addUInt(*Loc, dwarf::DW_FORM_data1,
+ DD->useGNUTLSOpcode() ? dwarf::DW_OP_GNU_push_tls_address
+ : dwarf::DW_OP_form_tls_address);
}
- // 3) followed by an OP to make the debugger do a TLS lookup.
- addUInt(*Loc, dwarf::DW_FORM_data1,
- DD->useGNUTLSOpcode() ? dwarf::DW_OP_GNU_push_tls_address
- : dwarf::DW_OP_form_tls_address);
} else {
DD->addArangeLabel(SymbolCU(this, Sym));
addOpAddress(*Loc, Sym);
CURanges.back().setEnd(Range.getEnd());
}
-void DwarfCompileUnit::addSectionLabel(DIE &Die, dwarf::Attribute Attribute,
- const MCSymbol *Label,
- const MCSymbol *Sec) {
+DIE::value_iterator
+DwarfCompileUnit::addSectionLabel(DIE &Die, dwarf::Attribute Attribute,
+ const MCSymbol *Label, const MCSymbol *Sec) {
if (Asm->MAI->doesDwarfUseRelocationsAcrossSections())
- addLabel(Die, Attribute,
- DD->getDwarfVersion() >= 4 ? dwarf::DW_FORM_sec_offset
- : dwarf::DW_FORM_data4,
- Label);
- else
- addSectionDelta(Die, Attribute, Label, Sec);
+ return addLabel(Die, Attribute,
+ DD->getDwarfVersion() >= 4 ? dwarf::DW_FORM_sec_offset
+ : dwarf::DW_FORM_data4,
+ Label);
+ return addSectionDelta(Die, Attribute, Label, Sec);
}
void DwarfCompileUnit::initStmtList() {
MCSymbol *LineTableStartSym =
Asm->OutStreamer->getDwarfLineTableSymbol(getUniqueID());
- stmtListIndex = std::distance(UnitDie.values_begin(), UnitDie.values_end());
-
// DW_AT_stmt_list is a offset of line number information for this
// compile unit in debug_line section. For split dwarf this is
// left in the skeleton CU and so not included.
// The line table entries are not always emitted in assembly, so it
// is not okay to use line_table_start here.
const TargetLoweringObjectFile &TLOF = Asm->getObjFileLowering();
- addSectionLabel(UnitDie, dwarf::DW_AT_stmt_list, LineTableStartSym,
- TLOF.getDwarfLineSection()->getBeginSymbol());
+ StmtListValue =
+ addSectionLabel(UnitDie, dwarf::DW_AT_stmt_list, LineTableStartSym,
+ TLOF.getDwarfLineSection()->getBeginSymbol());
}
void DwarfCompileUnit::applyStmtList(DIE &D) {
- D.addValue(UnitDie.values_begin()[stmtListIndex]);
+ D.addValue(DIEValueAllocator, *StmtListValue);
}
void DwarfCompileUnit::attachLowHighPC(DIE &D, const MCSymbol *Begin,
// Construct a DIE for this scope.
void DwarfCompileUnit::constructScopeDIE(
- LexicalScope *Scope, SmallVectorImpl<std::unique_ptr<DIE>> &FinalChildren) {
+ LexicalScope *Scope, SmallVectorImpl<DIE *> &FinalChildren) {
if (!Scope || !Scope->getScopeNode())
return;
"constructSubprogramScopeDIE for non-inlined "
"subprograms");
- SmallVector<std::unique_ptr<DIE>, 8> Children;
+ SmallVector<DIE *, 8> Children;
// We try to create the scope DIE first, then the children DIEs. This will
// avoid creating un-used children then removing them later when we find out
// the scope DIE is null.
- std::unique_ptr<DIE> ScopeDIE;
+ DIE *ScopeDIE;
if (Scope->getParent() && isa<DISubprogram>(DS)) {
ScopeDIE = constructInlinedScopeDIE(Scope);
if (!ScopeDIE)
// Skip imported directives in gmlt-like data.
if (!includeMinimalInlineScopes()) {
// There is no need to emit empty lexical block DIE.
- for (const auto &E : DD->findImportedEntitiesForScope(DS))
+ for (const auto *IE : ImportedEntities[DS])
Children.push_back(
- constructImportedEntityDIE(cast<DIImportedEntity>(E.second)));
+ constructImportedEntityDIE(cast<DIImportedEntity>(IE)));
}
// If there are only other scopes as children, put them directly in the
FinalChildren.push_back(std::move(ScopeDIE));
}
-void DwarfCompileUnit::addSectionDelta(DIE &Die, dwarf::Attribute Attribute,
- const MCSymbol *Hi, const MCSymbol *Lo) {
- Die.addValue(Attribute, DD->getDwarfVersion() >= 4 ? dwarf::DW_FORM_sec_offset
- : dwarf::DW_FORM_data4,
- new (DIEValueAllocator) DIEDelta(Hi, Lo));
+DIE::value_iterator
+DwarfCompileUnit::addSectionDelta(DIE &Die, dwarf::Attribute Attribute,
+ const MCSymbol *Hi, const MCSymbol *Lo) {
+ return Die.addValue(DIEValueAllocator, Attribute,
+ DD->getDwarfVersion() >= 4 ? dwarf::DW_FORM_sec_offset
+ : dwarf::DW_FORM_data4,
+ new (DIEValueAllocator) DIEDelta(Hi, Lo));
}
void DwarfCompileUnit::addScopeRangeList(DIE &ScopeDIE,
// This scope represents inlined body of a function. Construct DIE to
// represent this concrete inlined copy of the function.
-std::unique_ptr<DIE>
-DwarfCompileUnit::constructInlinedScopeDIE(LexicalScope *Scope) {
+DIE *DwarfCompileUnit::constructInlinedScopeDIE(LexicalScope *Scope) {
assert(Scope->getScopeNode());
auto *DS = Scope->getScopeNode();
auto *InlinedSP = getDISubprogram(DS);
DIE *OriginDIE = DU->getAbstractSPDies()[InlinedSP];
assert(OriginDIE && "Unable to find original DIE for an inlined subprogram.");
- auto ScopeDIE = make_unique<DIE>(dwarf::DW_TAG_inlined_subroutine);
+ auto ScopeDIE = DIE::get(DIEValueAllocator, dwarf::DW_TAG_inlined_subroutine);
addDIEEntry(*ScopeDIE, dwarf::DW_AT_abstract_origin, *OriginDIE);
attachRangesOrLowHighPC(*ScopeDIE, Scope->getRanges());
addUInt(*ScopeDIE, dwarf::DW_AT_call_file, None,
getOrCreateSourceID(IA->getFilename(), IA->getDirectory()));
addUInt(*ScopeDIE, dwarf::DW_AT_call_line, None, IA->getLine());
+ if (IA->getDiscriminator())
+ addUInt(*ScopeDIE, dwarf::DW_AT_GNU_discriminator, None,
+ IA->getDiscriminator());
// Add name to the name table, we do this here because we're guaranteed
// to have concrete versions of our DW_TAG_inlined_subprogram nodes.
// Construct new DW_TAG_lexical_block for this scope and attach
// DW_AT_low_pc/DW_AT_high_pc labels.
-std::unique_ptr<DIE>
-DwarfCompileUnit::constructLexicalScopeDIE(LexicalScope *Scope) {
+DIE *DwarfCompileUnit::constructLexicalScopeDIE(LexicalScope *Scope) {
if (DD->isLexicalScopeDIENull(Scope))
return nullptr;
- auto ScopeDIE = make_unique<DIE>(dwarf::DW_TAG_lexical_block);
+ auto ScopeDIE = DIE::get(DIEValueAllocator, dwarf::DW_TAG_lexical_block);
if (Scope->isAbstractScope())
return ScopeDIE;
}
/// constructVariableDIE - Construct a DIE for the given DbgVariable.
-std::unique_ptr<DIE> DwarfCompileUnit::constructVariableDIE(DbgVariable &DV,
- bool Abstract) {
+DIE *DwarfCompileUnit::constructVariableDIE(DbgVariable &DV, bool Abstract) {
auto D = constructVariableDIEImpl(DV, Abstract);
DV.setDIE(*D);
return D;
}
-std::unique_ptr<DIE>
-DwarfCompileUnit::constructVariableDIEImpl(const DbgVariable &DV,
- bool Abstract) {
+DIE *DwarfCompileUnit::constructVariableDIEImpl(const DbgVariable &DV,
+ bool Abstract) {
// Define variable debug information entry.
- auto VariableDie = make_unique<DIE>(DV.getTag());
+ auto VariableDie = DIE::get(DIEValueAllocator, DV.getTag());
if (Abstract) {
applyVariableAttributes(DV, *VariableDie);
unsigned FrameReg = 0;
const TargetFrameLowering *TFI = Asm->MF->getSubtarget().getFrameLowering();
int Offset = TFI->getFrameIndexReference(*Asm->MF, FI, FrameReg);
- assert(Expr != DV.getExpression().end() &&
- "Wrong number of expressions");
+ assert(Expr != DV.getExpression().end() && "Wrong number of expressions");
DwarfExpr.AddMachineRegIndirect(FrameReg, Offset);
DwarfExpr.AddExpression((*Expr)->expr_op_begin(), (*Expr)->expr_op_end());
++Expr;
return VariableDie;
}
-std::unique_ptr<DIE> DwarfCompileUnit::constructVariableDIE(
- DbgVariable &DV, const LexicalScope &Scope, DIE *&ObjectPointer) {
+DIE *DwarfCompileUnit::constructVariableDIE(DbgVariable &DV,
+ const LexicalScope &Scope,
+ DIE *&ObjectPointer) {
auto Var = constructVariableDIE(DV, Scope.isAbstractScope());
if (DV.isObjectPointer())
- ObjectPointer = Var.get();
+ ObjectPointer = Var;
return Var;
}
-DIE *DwarfCompileUnit::createScopeChildrenDIE(
- LexicalScope *Scope, SmallVectorImpl<std::unique_ptr<DIE>> &Children,
- unsigned *ChildScopeCount) {
+DIE *DwarfCompileUnit::createScopeChildrenDIE(LexicalScope *Scope,
+ SmallVectorImpl<DIE *> &Children,
+ unsigned *ChildScopeCount) {
DIE *ObjectPointer = nullptr;
for (DbgVariable *DV : DU->getScopeVariables().lookup(Scope))
// variadic function.
if (FnArgs.size() > 1 && !FnArgs[FnArgs.size() - 1] &&
!includeMinimalInlineScopes())
- ScopeDIE.addChild(make_unique<DIE>(dwarf::DW_TAG_unspecified_parameters));
+ ScopeDIE.addChild(
+ DIE::get(DIEValueAllocator, dwarf::DW_TAG_unspecified_parameters));
}
DIE *DwarfCompileUnit::createAndAddScopeChildren(LexicalScope *Scope,
DIE &ScopeDIE) {
// We create children when the scope DIE is not null.
- SmallVector<std::unique_ptr<DIE>, 8> Children;
+ SmallVector<DIE *, 8> Children;
DIE *ObjectPointer = createScopeChildrenDIE(Scope, Children);
// Add children
return ObjectPointer;
}
-void
-DwarfCompileUnit::constructAbstractSubprogramScopeDIE(LexicalScope *Scope) {
+void DwarfCompileUnit::constructAbstractSubprogramScopeDIE(
+ LexicalScope *Scope) {
DIE *&AbsDef = DU->getAbstractSPDies()[Scope->getScopeNode()];
if (AbsDef)
return;
addDIEEntry(*AbsDef, dwarf::DW_AT_object_pointer, *ObjectPointer);
}
-std::unique_ptr<DIE>
-DwarfCompileUnit::constructImportedEntityDIE(const DIImportedEntity *Module) {
- std::unique_ptr<DIE> IMDie = make_unique<DIE>((dwarf::Tag)Module->getTag());
- insertDIE(Module, IMDie.get());
+DIE *DwarfCompileUnit::constructImportedEntityDIE(
+ const DIImportedEntity *Module) {
+ DIE *IMDie = DIE::get(DIEValueAllocator, (dwarf::Tag)Module->getTag());
+ insertDIE(Module, IMDie);
DIE *EntityDie;
auto *Entity = resolve(Module->getEntity());
if (auto *NS = dyn_cast<DINamespace>(Entity))
EntityDie = getOrCreateNameSpace(NS);
+ else if (auto *M = dyn_cast<DIModule>(Entity))
+ EntityDie = getOrCreateModule(M);
else if (auto *SP = dyn_cast<DISubprogram>(Entity))
EntityDie = getOrCreateSubprogramDIE(SP);
else if (auto *T = dyn_cast<DIType>(Entity))
unsigned Index) {
dwarf::Form Form = DD->getDwarfVersion() >= 4 ? dwarf::DW_FORM_sec_offset
: dwarf::DW_FORM_data4;
- Die.addValue(Attribute, Form, DIELocList(Index));
+ Die.addValue(DIEValueAllocator, Attribute, Form, DIELocList(Index));
}
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));
+ Die.addValue(DIEValueAllocator, (dwarf::Attribute)0, Form, DIEExpr(Expr));
}
void DwarfCompileUnit::applySubprogramAttributesToDefinition(