AsmPrinter *A, DwarfDebug *DW,
DwarfFile *DWU)
: DwarfUnit(UID, dwarf::DW_TAG_compile_unit, Node, A, DW, DWU),
- Skeleton(nullptr), LabelBegin(nullptr), BaseAddress(nullptr) {
+ Skeleton(nullptr), BaseAddress(nullptr) {
insertDIE(Node, &getUnitDie());
}
if (DIE *Die = getDIE(GV))
return Die;
- assert(GV.isGlobalVariable());
+ assert(GV);
DIScope GVContext = GV.getContext();
DIType GTy = DD->resolve(GV.getType());
addUInt(*Loc, dwarf::DW_FORM_udata,
DD->getAddressPool().getIndex(Sym, /* TLS */ true));
}
- // 3) followed by a custom OP to make the debugger do a TLS lookup.
- addUInt(*Loc, dwarf::DW_FORM_data1, dwarf::DW_OP_GNU_push_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);
}
addBlock(*VariableDIE, dwarf::DW_AT_location, Loc);
- // Add the linkage name.
- StringRef LinkageName = GV.getLinkageName();
- if (!LinkageName.empty())
- // From DWARF4: DIEs to which DW_AT_linkage_name may apply include:
- // TAG_common_block, TAG_constant, TAG_entry_point, TAG_subprogram and
- // TAG_variable.
- addString(*VariableDIE,
- DD->getDwarfVersion() >= 4 ? dwarf::DW_AT_linkage_name
- : dwarf::DW_AT_MIPS_linkage_name,
- GlobalValue::getRealLinkageName(LinkageName));
+ addLinkageName(*VariableDIE, GV.getLinkageName());
} else if (const ConstantInt *CI =
dyn_cast_or_null<ConstantInt>(GV.getConstant())) {
addConstantValue(*VariableDIE, CI, GTy);
addSectionDelta(Die, Attribute, Label, Sec);
}
-void DwarfCompileUnit::initStmtList(MCSymbol *DwarfLineSectionSym) {
+void DwarfCompileUnit::initStmtList() {
// Define start line table label for each Compile Unit.
MCSymbol *LineTableStartSym =
Asm->OutStreamer.getDwarfLineTableSymbol(getUniqueID());
// 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,
- DwarfLineSectionSym);
+ TLOF.getDwarfLineSection()->getBeginSymbol());
}
void DwarfCompileUnit::applyStmtList(DIE &D) {
DIE &DwarfCompileUnit::updateSubprogramScopeDIE(DISubprogram SP) {
DIE *SPDie = getOrCreateSubprogramDIE(SP, includeMinimalInlineScopes());
- attachLowHighPC(*SPDie, DD->getFunctionBeginSym(), DD->getFunctionEndSym());
+ attachLowHighPC(*SPDie, Asm->getFunctionBegin(), Asm->getFunctionEnd());
if (!DD->getCurrentFunction()->getTarget().Options.DisableFramePointerElim(
*DD->getCurrentFunction()))
addFlag(*SPDie, dwarf::DW_AT_APPLE_omit_frame_ptr);
DIScope DS(Scope->getScopeNode());
- assert((Scope->getInlinedAt() || !DS.isSubprogram()) &&
+ assert((Scope->getInlinedAt() || !isa<MDSubprogram>(DS)) &&
"Only handle inlined subprograms here, use "
"constructSubprogramScopeDIE for non-inlined "
"subprograms");
// avoid creating un-used children then removing them later when we find out
// the scope DIE is null.
std::unique_ptr<DIE> ScopeDIE;
- if (Scope->getParent() && DS.isSubprogram()) {
+ if (Scope->getParent() && isa<MDSubprogram>(DS)) {
ScopeDIE = constructInlinedScopeDIE(Scope);
if (!ScopeDIE)
return;
// There is no need to emit empty lexical block DIE.
for (const auto &E : DD->findImportedEntitiesForScope(DS))
Children.push_back(
- constructImportedEntityDIE(DIImportedEntity(E.second)));
+ constructImportedEntityDIE(cast<MDImportedEntity>(E.second)));
}
// If there are only other scopes as children, put them directly in the
void DwarfCompileUnit::addScopeRangeList(DIE &ScopeDIE,
SmallVector<RangeSpan, 2> Range) {
+ const TargetLoweringObjectFile &TLOF = Asm->getObjFileLowering();
+
// Emit offset in .debug_range as a relocatable label. emitDIE will handle
// emitting it appropriately.
- auto *RangeSectionSym = DD->getRangeSectionSym();
+ const MCSymbol *RangeSectionSym =
+ TLOF.getDwarfRangesSection()->getBeginSymbol();
- RangeSpanList List(
- Asm->GetTempSymbol("debug_ranges", DD->getNextRangeNumber()),
- std::move(Range));
+ RangeSpanList List(Asm->createTempSymbol("debug_ranges"), std::move(Range));
// Under fission, ranges are specified by constant offsets relative to the
// CU's DW_AT_GNU_ranges_base.
assert(Expr != DV.getExpression().end() &&
"Wrong number of expressions");
DwarfExpr.AddMachineRegIndirect(FrameReg, Offset);
- DwarfExpr.AddExpression(Expr->begin(), Expr->end());
+ DwarfExpr.AddExpression((*Expr)->expr_op_begin(), (*Expr)->expr_op_end());
++Expr;
}
addBlock(*VariableDie, dwarf::DW_AT_location, Loc);
assert(Scope && Scope->getScopeNode());
assert(!Scope->getInlinedAt());
assert(!Scope->isAbstractScope());
- DISubprogram Sub(Scope->getScopeNode());
-
- assert(Sub.isSubprogram());
+ DISubprogram Sub = cast<MDSubprogram>(Scope->getScopeNode());
DD->getProcessedSPNodes().insert(Sub);
// If we have a single element of null, it is a function that returns void.
// If we have more than one elements and the last one is null, it is a
// variadic function.
- if (FnArgs.getNumElements() > 1 &&
- !FnArgs.getElement(FnArgs.getNumElements() - 1) &&
+ if (FnArgs.size() > 1 && !FnArgs[FnArgs.size() - 1] &&
!includeMinimalInlineScopes())
ScopeDIE.addChild(make_unique<DIE>(dwarf::DW_TAG_unspecified_parameters));
}
if (AbsDef)
return;
- DISubprogram SP(Scope->getScopeNode());
+ DISubprogram SP = cast<MDSubprogram>(Scope->getScopeNode());
DIE *ContextDIE;
std::unique_ptr<DIE>
DwarfCompileUnit::constructImportedEntityDIE(const DIImportedEntity &Module) {
- assert(Module.Verify() &&
- "Use one of the MDNode * overloads to handle invalid metadata");
std::unique_ptr<DIE> IMDie = make_unique<DIE>((dwarf::Tag)Module.getTag());
insertDIE(Module, IMDie.get());
DIE *EntityDie;
DIDescriptor Entity = resolve(Module.getEntity());
- if (Entity.isNameSpace())
- EntityDie = getOrCreateNameSpace(DINameSpace(Entity));
- else if (Entity.isSubprogram())
- EntityDie = getOrCreateSubprogramDIE(DISubprogram(Entity));
- else if (Entity.isType())
- EntityDie = getOrCreateTypeDIE(DIType(Entity));
- else if (Entity.isGlobalVariable())
- EntityDie = getOrCreateGlobalVariableDIE(DIGlobalVariable(Entity));
+ if (auto *NS = dyn_cast<MDNamespace>(Entity))
+ EntityDie = getOrCreateNameSpace(NS);
+ else if (auto *SP = dyn_cast<MDSubprogram>(Entity))
+ EntityDie = getOrCreateSubprogramDIE(SP);
+ else if (auto *T = dyn_cast<MDType>(Entity))
+ EntityDie = getOrCreateTypeDIE(T);
+ else if (auto *GV = dyn_cast<MDGlobalVariable>(Entity))
+ EntityDie = getOrCreateGlobalVariableDIE(GV);
else
EntityDie = getDIE(Entity);
assert(EntityDie);
}
}
void DwarfCompileUnit::collectDeadVariables(DISubprogram SP) {
- assert(SP.isSubprogram() && "CU's subprogram list contains a non-subprogram");
+ assert(SP && "CU's subprogram list contains a non-subprogram");
assert(SP.isDefinition() &&
"CU's subprogram list contains a subprogram declaration");
- DIArray Variables = SP.getVariables();
- if (Variables.getNumElements() == 0)
+ auto Variables = SP->getVariables();
+ if (Variables.size() == 0)
return;
DIE *SPDIE = DU->getAbstractSPDies().lookup(SP);
if (!SPDIE)
SPDIE = getDIE(SP);
assert(SPDIE);
- for (unsigned vi = 0, ve = Variables.getNumElements(); vi != ve; ++vi) {
- DIVariable DV(Variables.getElement(vi));
- assert(DV.isVariable());
+ for (DIVariable DV : Variables) {
DbgVariable NewVar(DV, DIExpression(), DD);
auto VariableDie = constructVariableDIE(NewVar);
applyVariableAttributes(NewVar, *VariableDie);
}
}
-void DwarfCompileUnit::emitHeader(const MCSymbol *ASectionSym) const {
+void DwarfCompileUnit::emitHeader(bool UseOffsets) {
// Don't bother labeling the .dwo unit, as its offset isn't used.
- if (!Skeleton)
+ if (!Skeleton) {
+ LabelBegin = Asm->createTempSymbol("cu_begin");
Asm->OutStreamer.EmitLabel(LabelBegin);
+ }
- DwarfUnit::emitHeader(ASectionSym);
+ DwarfUnit::emitHeader(UseOffsets);
}
/// addGlobalName - Add a new global name to the compile unit.
ValidReg = DwarfExpr.AddMachineRegIndirect(Location.getReg(),
Location.getOffset());
if (ValidReg)
- DwarfExpr.AddExpression(Expr.begin(), Expr.end());
+ DwarfExpr.AddExpression(Expr->expr_op_begin(), Expr->expr_op_end());
} else
ValidReg = DwarfExpr.AddMachineRegExpression(Expr, Location.getReg());