#include "llvm/IR/Module.h"
#include "llvm/IR/ValueHandle.h"
#include "llvm/MC/MCAsmInfo.h"
+#include "llvm/MC/MCDwarf.h"
#include "llvm/MC/MCSection.h"
#include "llvm/MC/MCStreamer.h"
#include "llvm/MC/MCSymbol.h"
clEnumVal(Disable, "Disabled"), clEnumValEnd),
cl::init(Default));
+static cl::opt<DefaultOnOff>
+DwarfLinkageNames("dwarf-linkage-names", cl::Hidden,
+ cl::desc("Emit DWARF linkage-name attributes."),
+ cl::values(clEnumVal(Default, "Default for platform"),
+ clEnumVal(Enable, "Enabled"),
+ clEnumVal(Disable, "Disabled"), clEnumValEnd),
+ cl::init(Default));
+
static const char *const DWARFGroupName = "DWARF Emission";
static const char *const DbgTimerName = "DWARF Debug Writer";
/// resolve - Look in the DwarfDebug map for the MDNode that
/// corresponds to the reference.
-template <typename T> T *DbgVariable::resolve(TypedDebugNodeRef<T> Ref) const {
+template <typename T> T *DbgVariable::resolve(TypedDINodeRef<T> Ref) const {
return DD->resolve(Ref);
}
->isBlockByrefStruct();
}
-DIType DbgVariable::getType() const {
- MDType *Ty = Var->getType().resolve(DD->getTypeIdentifierMap());
+const DIType *DbgVariable::getType() const {
+ DIType *Ty = Var->getType().resolve(DD->getTypeIdentifierMap());
// FIXME: isBlockByrefVariable should be reformulated in terms of complex
// addresses instead.
if (Ty->isBlockByrefStruct()) {
have a DW_AT_location that tells the debugger how to unwind through
the pointers and __Block_byref_x_VarName struct to find the actual
value of the variable. The function addBlockByrefType does this. */
- MDType *subType = Ty;
+ DIType *subType = Ty;
uint16_t tag = Ty->getTag();
if (tag == dwarf::DW_TAG_pointer_type)
- subType = resolve(DITypeRef(cast<MDDerivedType>(Ty)->getBaseType()));
+ subType = resolve(cast<DIDerivedType>(Ty)->getBaseType());
- auto Elements = cast<MDCompositeTypeBase>(subType)->getElements();
+ auto Elements = cast<DICompositeType>(subType)->getElements();
for (unsigned i = 0, N = Elements.size(); i < N; ++i) {
- auto *DT = cast<MDDerivedTypeBase>(Elements[i]);
+ auto *DT = cast<DIDerivedType>(Elements[i]);
if (getName() == DT->getName())
- return resolve(DITypeRef(DT->getBaseType()));
+ return resolve(DT->getBaseType());
}
}
return Ty;
DwarfAccelTable::Atom(dwarf::DW_ATOM_type_flags, dwarf::DW_FORM_data1)};
DwarfDebug::DwarfDebug(AsmPrinter *A, Module *M)
- : Asm(A), MMI(Asm->MMI), PrevLabel(nullptr),
- InfoHolder(A, "info_string", DIEValueAllocator),
- UsedNonDefaultText(false),
+ : Asm(A), MMI(Asm->MMI), DebugLocs(A->OutStreamer->isVerboseAsm()),
+ PrevLabel(nullptr), InfoHolder(A, "info_string", DIEValueAllocator),
SkeletonHolder(A, "skel_string", DIEValueAllocator),
IsDarwin(Triple(A->getTargetTriple()).isOSDarwin()),
- IsPS4(Triple(A->getTargetTriple()).isPS4()),
AccelNames(DwarfAccelTable::Atom(dwarf::DW_ATOM_die_offset,
dwarf::DW_FORM_data4)),
AccelObjC(DwarfAccelTable::Atom(dwarf::DW_ATOM_die_offset,
dwarf::DW_FORM_data4)),
AccelNamespace(DwarfAccelTable::Atom(dwarf::DW_ATOM_die_offset,
dwarf::DW_FORM_data4)),
- AccelTypes(TypeAtoms) {
+ AccelTypes(TypeAtoms), DebuggerTuning(DebuggerKind::Default) {
CurFn = nullptr;
CurMI = nullptr;
+ Triple TT(Asm->getTargetTriple());
+
+ // Make sure we know our "debugger tuning." The target option takes
+ // precedence; fall back to triple-based defaults.
+ if (Asm->TM.Options.DebuggerTuning != DebuggerKind::Default)
+ DebuggerTuning = Asm->TM.Options.DebuggerTuning;
+ else if (IsDarwin)
+ DebuggerTuning = DebuggerKind::LLDB;
+ else if (TT.isPS4CPU())
+ DebuggerTuning = DebuggerKind::SCE;
+ else
+ DebuggerTuning = DebuggerKind::GDB;
- // Turn on accelerator tables for Darwin by default, pubnames by
- // default for non-Darwin/PS4, and handle split dwarf.
+ // Turn on accelerator tables for LLDB by default.
if (DwarfAccelTables == Default)
- HasDwarfAccelTables = IsDarwin;
+ HasDwarfAccelTables = tuneForLLDB();
else
HasDwarfAccelTables = DwarfAccelTables == Enable;
+ // Handle split DWARF. Off by default for now.
if (SplitDwarf == Default)
HasSplitDwarf = false;
else
HasSplitDwarf = SplitDwarf == Enable;
+ // Pubnames/pubtypes on by default for GDB.
if (DwarfPubSections == Default)
- HasDwarfPubSections = !IsDarwin && !IsPS4;
+ HasDwarfPubSections = tuneForGDB();
else
HasDwarfPubSections = DwarfPubSections == Enable;
+ // SCE does not use linkage names.
+ if (DwarfLinkageNames == Default)
+ UseLinkageNames = !tuneForSCE();
+ else
+ UseLinkageNames = DwarfLinkageNames == Enable;
+
unsigned DwarfVersionNumber = Asm->TM.Options.MCOptions.DwarfVersion;
DwarfVersion = DwarfVersionNumber ? DwarfVersionNumber
: MMI->getModule()->getDwarfVersion();
+ // Use dwarf 4 by default if nothing is requested.
+ DwarfVersion = DwarfVersion ? DwarfVersion : dwarf::DWARF_VERSION;
- // Darwin and PS4 use the standard TLS opcode (defined in DWARF 3).
- // Everybody else uses GNU's.
- UseGNUTLSOpcode = !(IsDarwin || IsPS4) || DwarfVersion < 3;
+ // Work around a GDB bug. GDB doesn't support the standard opcode;
+ // SCE doesn't support GNU's; LLDB prefers the standard opcode, which
+ // is defined as of DWARF 3.
+ // See GDB bug 11616 - DW_OP_form_tls_address is unimplemented
+ // https://sourceware.org/bugzilla/show_bug.cgi?id=11616
+ UseGNUTLSOpcode = tuneForGDB() || DwarfVersion < 3;
- Asm->OutStreamer.getContext().setDwarfVersion(DwarfVersion);
+ Asm->OutStreamer->getContext().setDwarfVersion(DwarfVersion);
{
NamedRegionTimer T(DbgTimerName, DWARFGroupName, TimePassesIsEnabled);
// TODO: Determine whether or not we should add names for programs
// that do not have a DW_AT_name or DW_AT_linkage_name field - this
// is only slightly different than the lookup of non-standard ObjC names.
-void DwarfDebug::addSubprogramNames(DISubprogram SP, DIE &Die) {
+void DwarfDebug::addSubprogramNames(const DISubprogram *SP, DIE &Die) {
if (!SP->isDefinition())
return;
addAccelName(SP->getName(), Die);
}
}
-/// isSubprogramContext - Return true if Context is either a subprogram
-/// or another context nested inside a subprogram.
-bool DwarfDebug::isSubprogramContext(const MDNode *Context) {
- if (!Context)
- return false;
- if (isa<MDSubprogram>(Context))
- return true;
- if (auto *T = dyn_cast<MDType>(Context))
- return isSubprogramContext(resolve(T->getScope()));
- return false;
-}
-
/// Check whether we should create a DIE for the given Scope, return true
/// if we don't create a DIE (the corresponding DIE is null).
bool DwarfDebug::isLexicalScopeDIENull(LexicalScope *Scope) {
// Create new DwarfCompileUnit for the given metadata node with tag
// DW_TAG_compile_unit.
-DwarfCompileUnit &DwarfDebug::constructDwarfCompileUnit(DICompileUnit DIUnit) {
+DwarfCompileUnit &
+DwarfDebug::constructDwarfCompileUnit(const DICompileUnit *DIUnit) {
StringRef FN = DIUnit->getFilename();
CompilationDir = DIUnit->getDirectory();
// To avoid the compilation directory being ambiguous, let the line table
// explicitly describe the directory of all files, never relying on the
// compilation directory.
- if (!Asm->OutStreamer.hasRawTextSupport() || SingleCU)
- Asm->OutStreamer.getContext().setMCLineTableCompilationDir(
+ if (!Asm->OutStreamer->hasRawTextSupport() || SingleCU)
+ Asm->OutStreamer->getContext().setMCLineTableCompilationDir(
NewCU.getUniqueID(), CompilationDir);
NewCU.addString(Die, dwarf::DW_AT_producer, DIUnit->getProducer());
else
NewCU.initSection(Asm->getObjFileLowering().getDwarfInfoSection());
+ if (DIUnit->getDWOId()) {
+ // This CU is either a clang module DWO or a skeleton CU.
+ NewCU.addUInt(Die, dwarf::DW_AT_GNU_dwo_id, dwarf::DW_FORM_data8,
+ DIUnit->getDWOId());
+ if (!DIUnit->getSplitDebugFilename().empty())
+ // This is a prefabricated skeleton CU.
+ NewCU.addString(Die, dwarf::DW_AT_GNU_dwo_name,
+ DIUnit->getSplitDebugFilename());
+ }
+
CUMap.insert(std::make_pair(DIUnit, &NewCU));
CUDieMap.insert(std::make_pair(&Die, &NewCU));
return NewCU;
}
void DwarfDebug::constructAndAddImportedEntityDIE(DwarfCompileUnit &TheCU,
- const MDNode *N) {
- DIImportedEntity Module = cast<MDImportedEntity>(N);
- if (DIE *D = TheCU.getOrCreateContextDIE(Module->getScope()))
- D->addChild(TheCU.constructImportedEntityDIE(Module));
+ const DIImportedEntity *N) {
+ if (DIE *D = TheCU.getOrCreateContextDIE(N->getScope()))
+ D->addChild(TheCU.constructImportedEntityDIE(N));
}
// Emit all Dwarf sections that should come prior to the content. Create
const Module *M = MMI->getModule();
- FunctionDIs = makeSubprogramMap(*M);
-
NamedMDNode *CU_Nodes = M->getNamedMetadata("llvm.dbg.cu");
if (!CU_Nodes)
return;
SingleCU = CU_Nodes->getNumOperands() == 1;
for (MDNode *N : CU_Nodes->operands()) {
- DICompileUnit CUNode = cast<MDCompileUnit>(N);
+ auto *CUNode = cast<DICompileUnit>(N);
DwarfCompileUnit &CU = constructDwarfCompileUnit(CUNode);
for (auto *IE : CUNode->getImportedEntities())
- ScopesWithImportedEntities.push_back(std::make_pair(IE->getScope(), IE));
- // Stable sort to preserve the order of appearance of imported entities.
- // This is to avoid out-of-order processing of interdependent declarations
- // within the same scope, e.g. { namespace A = base; namespace B = A; }
- std::stable_sort(ScopesWithImportedEntities.begin(),
- ScopesWithImportedEntities.end(), less_first());
+ CU.addImportedEntity(IE);
for (auto *GV : CUNode->getGlobalVariables())
CU.getOrCreateGlobalVariableDIE(GV);
for (auto *SP : CUNode->getSubprograms())
SPMap.insert(std::make_pair(SP, &CU));
- for (DIType Ty : CUNode->getEnumTypes()) {
+ for (auto *Ty : CUNode->getEnumTypes()) {
// The enum types array by design contains pointers to
// MDNodes rather than DIRefs. Unique them here.
- DIType UniqueTy = cast<MDType>(resolve(Ty->getRef()));
- CU.getOrCreateTypeDIE(UniqueTy);
+ CU.getOrCreateTypeDIE(cast<DIType>(resolve(Ty->getRef())));
}
- for (DIType Ty : CUNode->getRetainedTypes()) {
+ for (auto *Ty : CUNode->getRetainedTypes()) {
// The retained types array by design contains pointers to
// MDNodes rather than DIRefs. Unique them here.
- DIType UniqueTy = cast<MDType>(resolve(Ty->getRef()));
- CU.getOrCreateTypeDIE(UniqueTy);
+ DIType *RT = cast<DIType>(resolve(Ty->getRef()));
+ if (!RT->isExternalTypeRef())
+ // There is no point in force-emitting a forward declaration.
+ CU.getOrCreateTypeDIE(RT);
}
// Emit imported_modules last so that the relevant context is already
// available.
void DwarfDebug::finishSubprogramDefinitions() {
for (const auto &P : SPMap)
forBothCUs(*P.second, [&](DwarfCompileUnit &CU) {
- CU.finishSubprogramDefinition(cast<MDSubprogram>(P.first));
+ CU.finishSubprogramDefinition(cast<DISubprogram>(P.first));
});
}
if (NamedMDNode *CU_Nodes = M->getNamedMetadata("llvm.dbg.cu")) {
for (MDNode *N : CU_Nodes->operands()) {
- DICompileUnit TheCU = cast<MDCompileUnit>(N);
+ auto *TheCU = cast<DICompileUnit>(N);
// Construct subprogram DIE and add variables DIEs.
DwarfCompileUnit *SPCU =
static_cast<DwarfCompileUnit *>(CUMap.lookup(TheCU));
// Collect info for variables that were optimized out.
collectDeadVariables();
+ unsigned MacroOffset = 0;
+ std::unique_ptr<AsmStreamerBase> AS(new SizeReporterAsmStreamer(Asm));
// Handle anything that needs to be done on a per-unit basis after
// all other generation.
for (const auto &P : CUMap) {
// 2.17.3).
U.addUInt(U.getUnitDie(), dwarf::DW_AT_low_pc, dwarf::DW_FORM_addr, 0);
else
- TheCU.setBaseAddress(TheCU.getRanges().front().getStart());
+ U.setBaseAddress(TheCU.getRanges().front().getStart());
U.attachRangesOrLowHighPC(U.getUnitDie(), TheCU.takeRanges());
}
+
+ auto *CUNode = cast<DICompileUnit>(P.first);
+ if (CUNode->getMacros()) {
+ // Compile Unit has macros, emit "DW_AT_macro_info" attribute.
+ U.addUInt(U.getUnitDie(), dwarf::DW_AT_macro_info,
+ dwarf::DW_FORM_sec_offset, MacroOffset);
+ // Update macro section offset
+ MacroOffset += handleMacroNodes(AS.get(), CUNode->getMacros(), U);
+ }
}
// Compute DIE offsets and sizes.
// Emit info into a debug ranges section.
emitDebugRanges();
+ // Emit info into a debug macinfo section.
+ emitDebugMacinfo();
+
if (useSplitDwarf()) {
emitDebugStrDWO();
emitDebugInfoDWO();
}
// Find abstract variable, if any, associated with Var.
-DbgVariable *DwarfDebug::getExistingAbstractVariable(InlinedVariable IV,
- DIVariable &Cleansed) {
+DbgVariable *
+DwarfDebug::getExistingAbstractVariable(InlinedVariable IV,
+ const DILocalVariable *&Cleansed) {
// More then one inlined variable corresponds to one abstract variable.
Cleansed = IV.first;
auto I = AbstractVariables.find(Cleansed);
}
DbgVariable *DwarfDebug::getExistingAbstractVariable(InlinedVariable IV) {
- DIVariable Cleansed;
+ const DILocalVariable *Cleansed;
return getExistingAbstractVariable(IV, Cleansed);
}
-void DwarfDebug::createAbstractVariable(const DIVariable &Var,
+void DwarfDebug::createAbstractVariable(const DILocalVariable *Var,
LexicalScope *Scope) {
- auto AbsDbgVariable =
- make_unique<DbgVariable>(Var, nullptr, DIExpression(), this);
+ auto AbsDbgVariable = make_unique<DbgVariable>(Var, /* IA */ nullptr, this);
InfoHolder.addScopeVariable(Scope, AbsDbgVariable.get());
AbstractVariables[Var] = std::move(AbsDbgVariable);
}
void DwarfDebug::ensureAbstractVariableIsCreated(InlinedVariable IV,
const MDNode *ScopeNode) {
- DIVariable Cleansed;
+ const DILocalVariable *Cleansed = nullptr;
if (getExistingAbstractVariable(IV, Cleansed))
return;
createAbstractVariable(Cleansed, LScopes.getOrCreateAbstractScope(
- cast<MDLocalScope>(ScopeNode)));
+ cast<DILocalScope>(ScopeNode)));
}
void DwarfDebug::ensureAbstractVariableIsCreatedIfScoped(
InlinedVariable IV, const MDNode *ScopeNode) {
- DIVariable Cleansed;
+ const DILocalVariable *Cleansed = nullptr;
if (getExistingAbstractVariable(IV, Cleansed))
return;
if (LexicalScope *Scope =
- LScopes.findAbstractScope(cast_or_null<MDLocalScope>(ScopeNode)))
+ LScopes.findAbstractScope(cast_or_null<DILocalScope>(ScopeNode)))
createAbstractVariable(Cleansed, Scope);
}
if (!Scope)
continue;
- DIExpression Expr = cast_or_null<MDExpression>(VI.Expr);
ensureAbstractVariableIsCreatedIfScoped(Var, Scope->getScopeNode());
- auto RegVar =
- make_unique<DbgVariable>(Var.first, Var.second, Expr, this, VI.Slot);
+ auto RegVar = make_unique<DbgVariable>(Var.first, Var.second, this);
+ RegVar->initializeMMI(VI.Expr, VI.Slot);
if (InfoHolder.addScopeVariable(Scope, RegVar.get()))
ConcreteVariables.push_back(std::move(RegVar));
}
// Get .debug_loc entry for the instruction range starting at MI.
static DebugLocEntry::Value getDebugLocValue(const MachineInstr *MI) {
- const MDExpression *Expr = MI->getDebugExpression();
+ const DIExpression *Expr = MI->getDebugExpression();
assert(MI->getNumOperands() == 4);
if (MI->getOperand(0).isReg()) {
}
/// Determine whether two variable pieces overlap.
-static bool piecesOverlap(DIExpression P1, DIExpression P2) {
+static bool piecesOverlap(const DIExpression *P1, const DIExpression *P2) {
if (!P1->isBitPiece() || !P2->isBitPiece())
return true;
unsigned l1 = P1->getBitPieceOffset();
}
// If this piece overlaps with any open ranges, truncate them.
- DIExpression DIExpr = Begin->getDebugExpression();
+ const DIExpression *DIExpr = Begin->getDebugExpression();
auto Last = std::remove_if(OpenRanges.begin(), OpenRanges.end(),
[&](DebugLocEntry::Value R) {
return piecesOverlap(DIExpr, R.getExpression());
// Attempt to coalesce the ranges of two otherwise identical
// DebugLocEntries.
auto CurEntry = DebugLoc.rbegin();
- auto PrevEntry = std::next(CurEntry);
- if (PrevEntry != DebugLoc.rend() && PrevEntry->MergeRanges(*CurEntry))
- DebugLoc.pop_back();
-
DEBUG({
dbgs() << CurEntry->getValues().size() << " Values:\n";
- for (auto Value : CurEntry->getValues()) {
+ for (auto &Value : CurEntry->getValues())
Value.getExpression()->dump();
- }
dbgs() << "-----\n";
});
+
+ auto PrevEntry = std::next(CurEntry);
+ if (PrevEntry != DebugLoc.rend() && PrevEntry->MergeRanges(*CurEntry))
+ DebugLoc.pop_back();
}
}
+DbgVariable *DwarfDebug::createConcreteVariable(LexicalScope &Scope,
+ InlinedVariable IV) {
+ ensureAbstractVariableIsCreatedIfScoped(IV, Scope.getScopeNode());
+ ConcreteVariables.push_back(
+ make_unique<DbgVariable>(IV.first, IV.second, this));
+ InfoHolder.addScopeVariable(&Scope, ConcreteVariables.back().get());
+ return ConcreteVariables.back().get();
+}
// Find variables for each lexical scope.
-void DwarfDebug::collectVariableInfo(DwarfCompileUnit &TheCU, DISubprogram SP,
+void DwarfDebug::collectVariableInfo(DwarfCompileUnit &TheCU,
+ const DISubprogram *SP,
DenseSet<InlinedVariable> &Processed) {
// Grab the variable info that was squirreled away in the MMI side-table.
collectVariableInfoFromMMITable(Processed);
continue;
LexicalScope *Scope = nullptr;
- if (const MDLocation *IA = IV.second)
+ if (const DILocation *IA = IV.second)
Scope = LScopes.findInlinedScope(IV.first->getScope(), IA);
else
Scope = LScopes.findLexicalScope(IV.first->getScope());
continue;
Processed.insert(IV);
+ DbgVariable *RegVar = createConcreteVariable(*Scope, IV);
+
const MachineInstr *MInsn = Ranges.front().first;
assert(MInsn->isDebugValue() && "History must begin with debug value");
- ensureAbstractVariableIsCreatedIfScoped(IV, Scope->getScopeNode());
- ConcreteVariables.push_back(make_unique<DbgVariable>(MInsn, this));
- DbgVariable *RegVar = ConcreteVariables.back().get();
- InfoHolder.addScopeVariable(Scope, RegVar);
// Check if the first DBG_VALUE is valid for the rest of the function.
- if (Ranges.size() == 1 && Ranges.front().second == nullptr)
+ if (Ranges.size() == 1 && Ranges.front().second == nullptr) {
+ RegVar->initializeDbgValue(MInsn);
continue;
+ }
// Handle multiple DBG_VALUE instructions describing one variable.
- RegVar->setDebugLocListIndex(
- DebugLocs.startList(&TheCU, Asm->createTempSymbol("debug_loc")));
+ DebugLocStream::ListBuilder List(DebugLocs, TheCU, *Asm, *RegVar, *MInsn);
// Build the location list for this variable.
SmallVector<DebugLocEntry, 8> Entries;
buildLocationList(Entries, Ranges);
- // If the variable has an MDBasicType, extract it. Basic types cannot have
+ // If the variable has an DIBasicType, extract it. Basic types cannot have
// unique identifiers, so don't bother resolving the type with the
// identifier map.
- const MDBasicType *BT = dyn_cast<MDBasicType>(
+ const DIBasicType *BT = dyn_cast<DIBasicType>(
static_cast<const Metadata *>(IV.first->getType()));
// Finalize the entry by lowering it into a DWARF bytestream.
for (auto &Entry : Entries)
- Entry.finalize(*Asm, DebugLocs, BT);
+ Entry.finalize(*Asm, List, BT);
}
// Collect info for variables that were optimized out.
- for (DIVariable DV : SP->getVariables()) {
- if (!Processed.insert(InlinedVariable(DV, nullptr)).second)
- continue;
- if (LexicalScope *Scope = LScopes.findLexicalScope(DV->getScope())) {
- ensureAbstractVariableIsCreatedIfScoped(InlinedVariable(DV, nullptr),
- Scope->getScopeNode());
- DIExpression NoExpr;
- ConcreteVariables.push_back(
- make_unique<DbgVariable>(DV, nullptr, NoExpr, this));
- InfoHolder.addScopeVariable(Scope, ConcreteVariables.back().get());
- }
+ for (const DILocalVariable *DV : SP->getVariables()) {
+ if (Processed.insert(InlinedVariable(DV, nullptr)).second)
+ if (LexicalScope *Scope = LScopes.findLexicalScope(DV->getScope()))
+ createConcreteVariable(*Scope, InlinedVariable(DV, nullptr));
}
}
Flags |= DWARF2_FLAG_IS_STMT;
}
if (DL.getLine() !=
- Asm->OutStreamer.getContext().getCurrentDwarfLoc().getLine())
+ Asm->OutStreamer->getContext().getCurrentDwarfLoc().getLine())
Flags |= DWARF2_FLAG_IS_STMT;
const MDNode *Scope = DL.getScope();
return;
if (!PrevLabel) {
- PrevLabel = MMI->getContext().CreateTempSymbol();
- Asm->OutStreamer.EmitLabel(PrevLabel);
+ PrevLabel = MMI->getContext().createTempSymbol();
+ Asm->OutStreamer->EmitLabel(PrevLabel);
}
I->second = PrevLabel;
}
// We need a label after this instruction.
if (!PrevLabel) {
- PrevLabel = MMI->getContext().CreateTempSymbol();
- Asm->OutStreamer.EmitLabel(PrevLabel);
+ PrevLabel = MMI->getContext().createTempSymbol();
+ Asm->OutStreamer->EmitLabel(PrevLabel);
}
I->second = PrevLabel;
}
for (const auto &MBB : *MF)
for (const auto &MI : MBB)
if (!MI.isDebugValue() && !MI.getFlag(MachineInstr::FrameSetup) &&
- MI.getDebugLoc()) {
- // Did the target forget to set the FrameSetup flag for CFI insns?
- assert(!MI.isCFIInstruction() &&
- "First non-frame-setup instruction is a CFI instruction.");
+ MI.getDebugLoc())
return MI.getDebugLoc();
- }
return DebugLoc();
}
if (!MMI->hasDebugInfo())
return;
- auto DI = FunctionDIs.find(MF->getFunction());
- if (DI == FunctionDIs.end())
+ auto DI = MF->getFunction()->getSubprogram();
+ if (!DI)
return;
// Grab the lexical scopes for the function, if we don't have any of those
// is absolute (such as an <> lookup header)))
DwarfCompileUnit *TheCU = SPMap.lookup(FnScope->getScopeNode());
assert(TheCU && "Unable to find compile unit!");
- if (Asm->OutStreamer.hasRawTextSupport())
+ if (Asm->OutStreamer->hasRawTextSupport())
// Use a single line table if we are generating assembly.
- Asm->OutStreamer.getContext().setDwarfCompileUnitID(0);
+ Asm->OutStreamer->getContext().setDwarfCompileUnitID(0);
else
- Asm->OutStreamer.getContext().setDwarfCompileUnitID(TheCU->getUniqueID());
+ Asm->OutStreamer->getContext().setDwarfCompileUnitID(TheCU->getUniqueID());
// Calculate history for local variables.
calculateDbgValueHistory(MF, Asm->MF->getSubtarget().getRegisterInfo(),
// The first mention of a function argument gets the CurrentFnBegin
// label, so arguments are visible when breaking at function entry.
- DIVariable DIVar = Ranges.front().first->getDebugVariable();
- if (DIVar->getTag() == dwarf::DW_TAG_arg_variable &&
+ const DILocalVariable *DIVar = Ranges.front().first->getDebugVariable();
+ if (DIVar->isParameter() &&
getDISubprogram(DIVar->getScope())->describes(MF->getFunction())) {
LabelsBeforeInsn[Ranges.front().first] = Asm->getFunctionBegin();
if (Ranges.front().first->getDebugExpression()->isBitPiece()) {
// Mark all non-overlapping initial pieces.
for (auto I = Ranges.begin(); I != Ranges.end(); ++I) {
- DIExpression Piece = I->first->getDebugExpression();
+ const DIExpression *Piece = I->first->getDebugExpression();
if (std::all_of(Ranges.begin(), I,
[&](DbgValueHistoryMap::InstrRange Pred) {
return !piecesOverlap(Piece, Pred.first->getDebugExpression());
// Record beginning of function.
PrologEndLoc = findPrologueEndLoc(MF);
- if (MDLocation *L = PrologEndLoc) {
+ if (DILocation *L = PrologEndLoc) {
// We'd like to list the prologue as "not statements" but GDB behaves
// poorly if we do that. Revisit this with caution/GDB (7.5+) testing.
auto *SP = L->getInlinedAtScope()->getSubprogram();
"endFunction should be called with the same function as beginFunction");
if (!MMI->hasDebugInfo() || LScopes.empty() ||
- !FunctionDIs.count(MF->getFunction())) {
+ !MF->getFunction()->getSubprogram()) {
// If we don't have a lexical scope for this function then there will
// be a hole in the range information. Keep note of this by setting the
// previously used section to nullptr.
}
// Set DwarfDwarfCompileUnitID in MCContext to default value.
- Asm->OutStreamer.getContext().setDwarfCompileUnitID(0);
+ Asm->OutStreamer->getContext().setDwarfCompileUnitID(0);
LexicalScope *FnScope = LScopes.getCurrentFunctionScope();
- DISubprogram SP = cast<MDSubprogram>(FnScope->getScopeNode());
+ auto *SP = cast<DISubprogram>(FnScope->getScopeNode());
DwarfCompileUnit &TheCU = *SPMap.lookup(SP);
DenseSet<InlinedVariable> ProcessedVars;
#endif
// Construct abstract scopes.
for (LexicalScope *AScope : LScopes.getAbstractScopesList()) {
- DISubprogram SP = cast<MDSubprogram>(AScope->getScopeNode());
+ auto *SP = cast<DISubprogram>(AScope->getScopeNode());
// Collect info for variables that were optimized out.
- for (DIVariable DV : SP->getVariables()) {
+ for (const DILocalVariable *DV : SP->getVariables()) {
if (!ProcessedVars.insert(InlinedVariable(DV, nullptr)).second)
continue;
ensureAbstractVariableIsCreated(InlinedVariable(DV, nullptr),
StringRef Dir;
unsigned Src = 1;
unsigned Discriminator = 0;
- if (auto *Scope = cast_or_null<MDScope>(S)) {
+ if (auto *Scope = cast_or_null<DIScope>(S)) {
Fn = Scope->getFilename();
Dir = Scope->getDirectory();
- if (auto *LBF = dyn_cast<MDLexicalBlockFile>(Scope))
+ if (auto *LBF = dyn_cast<DILexicalBlockFile>(Scope))
Discriminator = LBF->getDiscriminator();
- unsigned CUID = Asm->OutStreamer.getContext().getDwarfCompileUnitID();
+ unsigned CUID = Asm->OutStreamer->getContext().getDwarfCompileUnitID();
Src = static_cast<DwarfCompileUnit &>(*InfoHolder.getUnits()[CUID])
.getOrCreateSourceID(Fn, Dir);
}
- Asm->OutStreamer.EmitDwarfLocDirective(Src, Line, Col, Flags, 0,
- Discriminator, Fn);
+ Asm->OutStreamer->EmitDwarfLocDirective(Src, Line, Col, Flags, 0,
+ Discriminator, Fn);
}
//===----------------------------------------------------------------------===//
Holder.emitAbbrevs(Asm->getObjFileLowering().getDwarfAbbrevSection());
}
-void DwarfDebug::emitAccel(DwarfAccelTable &Accel, const MCSection *Section,
+void DwarfDebug::emitAccel(DwarfAccelTable &Accel, MCSection *Section,
StringRef TableName) {
Accel.FinalizeTable(Asm, TableName);
- Asm->OutStreamer.SwitchSection(Section);
+ Asm->OutStreamer->SwitchSection(Section);
// Emit the full data.
Accel.emit(Asm, Section->getBeginSymbol(), this);
// We could have a specification DIE that has our most of our knowledge,
// look for that now.
- DIEValue *SpecVal = Die->findAttribute(dwarf::DW_AT_specification);
- if (SpecVal) {
- DIE &SpecDIE = cast<DIEEntry>(SpecVal)->getEntry();
+ if (DIEValue SpecVal = Die->findAttribute(dwarf::DW_AT_specification)) {
+ DIE &SpecDIE = SpecVal.getDIEEntry().getEntry();
if (SpecDIE.findAttribute(dwarf::DW_AT_external))
Linkage = dwarf::GIEL_EXTERNAL;
} else if (Die->findAttribute(dwarf::DW_AT_external))
/// emitDebugPubNames - Emit visible names into a debug pubnames section.
///
void DwarfDebug::emitDebugPubNames(bool GnuStyle) {
- const MCSection *PSec =
- GnuStyle ? Asm->getObjFileLowering().getDwarfGnuPubNamesSection()
- : Asm->getObjFileLowering().getDwarfPubNamesSection();
+ MCSection *PSec = GnuStyle
+ ? Asm->getObjFileLowering().getDwarfGnuPubNamesSection()
+ : Asm->getObjFileLowering().getDwarfPubNamesSection();
emitDebugPubSection(GnuStyle, PSec, "Names",
&DwarfCompileUnit::getGlobalNames);
}
void DwarfDebug::emitDebugPubSection(
- bool GnuStyle, const MCSection *PSec, StringRef Name,
+ bool GnuStyle, MCSection *PSec, StringRef Name,
const StringMap<const DIE *> &(DwarfCompileUnit::*Accessor)() const) {
for (const auto &NU : CUMap) {
DwarfCompileUnit *TheU = NU.second;
TheU = Skeleton;
// Start the dwarf pubnames section.
- Asm->OutStreamer.SwitchSection(PSec);
+ Asm->OutStreamer->SwitchSection(PSec);
// Emit the header.
- Asm->OutStreamer.AddComment("Length of Public " + Name + " Info");
+ Asm->OutStreamer->AddComment("Length of Public " + Name + " Info");
MCSymbol *BeginLabel = Asm->createTempSymbol("pub" + Name + "_begin");
MCSymbol *EndLabel = Asm->createTempSymbol("pub" + Name + "_end");
Asm->EmitLabelDifference(EndLabel, BeginLabel, 4);
- Asm->OutStreamer.EmitLabel(BeginLabel);
+ Asm->OutStreamer->EmitLabel(BeginLabel);
- Asm->OutStreamer.AddComment("DWARF Version");
+ Asm->OutStreamer->AddComment("DWARF Version");
Asm->EmitInt16(dwarf::DW_PUBNAMES_VERSION);
- Asm->OutStreamer.AddComment("Offset of Compilation Unit Info");
- Asm->emitSectionOffset(TheU->getLabelBegin());
+ Asm->OutStreamer->AddComment("Offset of Compilation Unit Info");
+ Asm->emitDwarfSymbolReference(TheU->getLabelBegin());
- Asm->OutStreamer.AddComment("Compilation Unit Length");
+ Asm->OutStreamer->AddComment("Compilation Unit Length");
Asm->EmitInt32(TheU->getLength());
// Emit the pubnames for this compilation unit.
const char *Name = GI.getKeyData();
const DIE *Entity = GI.second;
- Asm->OutStreamer.AddComment("DIE offset");
+ Asm->OutStreamer->AddComment("DIE offset");
Asm->EmitInt32(Entity->getOffset());
if (GnuStyle) {
dwarf::PubIndexEntryDescriptor Desc = computeIndexValue(TheU, Entity);
- Asm->OutStreamer.AddComment(
+ Asm->OutStreamer->AddComment(
Twine("Kind: ") + dwarf::GDBIndexEntryKindString(Desc.Kind) + ", " +
dwarf::GDBIndexEntryLinkageString(Desc.Linkage));
Asm->EmitInt8(Desc.toBits());
}
- Asm->OutStreamer.AddComment("External Name");
- Asm->OutStreamer.EmitBytes(StringRef(Name, GI.getKeyLength() + 1));
+ Asm->OutStreamer->AddComment("External Name");
+ Asm->OutStreamer->EmitBytes(StringRef(Name, GI.getKeyLength() + 1));
}
- Asm->OutStreamer.AddComment("End Mark");
+ Asm->OutStreamer->AddComment("End Mark");
Asm->EmitInt32(0);
- Asm->OutStreamer.EmitLabel(EndLabel);
+ Asm->OutStreamer->EmitLabel(EndLabel);
}
}
void DwarfDebug::emitDebugPubTypes(bool GnuStyle) {
- const MCSection *PSec =
- GnuStyle ? Asm->getObjFileLowering().getDwarfGnuPubTypesSection()
- : Asm->getObjFileLowering().getDwarfPubTypesSection();
+ MCSection *PSec = GnuStyle
+ ? Asm->getObjFileLowering().getDwarfGnuPubTypesSection()
+ : Asm->getObjFileLowering().getDwarfPubTypesSection();
emitDebugPubSection(GnuStyle, PSec, "Types",
&DwarfCompileUnit::getGlobalTypes);
Streamer.EmitInt8(Byte, Comment != End ? *(Comment++) : "");
}
-static void emitDebugLocValue(const AsmPrinter &AP, const MDBasicType *BT,
+static void emitDebugLocValue(const AsmPrinter &AP, const DIBasicType *BT,
ByteStreamer &Streamer,
const DebugLocEntry::Value &Value,
unsigned PieceOffsetInBits) {
DwarfExpr.AddUnsignedConstant(Value.getInt());
} else if (Value.isLocation()) {
MachineLocation Loc = Value.getLoc();
- DIExpression Expr = Value.getExpression();
+ const DIExpression *Expr = Value.getExpression();
if (!Expr || !Expr->getNumElements())
// Regular entry.
AP.EmitDwarfRegOp(Streamer, Loc);
// FIXME: ^
}
-void DebugLocEntry::finalize(const AsmPrinter &AP, DebugLocStream &Locs,
- const MDBasicType *BT) {
- Locs.startEntry(Begin, End);
- BufferByteStreamer Streamer = Locs.getStreamer();
+void DebugLocEntry::finalize(const AsmPrinter &AP,
+ DebugLocStream::ListBuilder &List,
+ const DIBasicType *BT) {
+ DebugLocStream::EntryBuilder Entry(List, Begin, End);
+ BufferByteStreamer Streamer = Entry.getStreamer();
const DebugLocEntry::Value &Value = Values[0];
if (Value.isBitPiece()) {
// Emit all pieces that belong to the same variable and range.
unsigned Offset = 0;
for (auto Piece : Values) {
- DIExpression Expr = Piece.getExpression();
+ const DIExpression *Expr = Piece.getExpression();
unsigned PieceOffset = Expr->getBitPieceOffset();
unsigned PieceSize = Expr->getBitPieceSize();
assert(Offset <= PieceOffset && "overlapping or duplicate pieces");
}
void DwarfDebug::emitDebugLocEntryLocation(const DebugLocStream::Entry &Entry) {
- Asm->OutStreamer.AddComment("Loc expr size");
- MCSymbol *begin = Asm->OutStreamer.getContext().CreateTempSymbol();
- MCSymbol *end = Asm->OutStreamer.getContext().CreateTempSymbol();
- Asm->EmitLabelDifference(end, begin, 2);
- Asm->OutStreamer.EmitLabel(begin);
+ // Emit the size.
+ Asm->OutStreamer->AddComment("Loc expr size");
+ Asm->EmitInt16(DebugLocs.getBytes(Entry).size());
+
// Emit the entry.
APByteStreamer Streamer(*Asm);
emitDebugLocEntry(Streamer, Entry);
- // Close the range.
- Asm->OutStreamer.EmitLabel(end);
}
// Emit locations into the debug loc section.
void DwarfDebug::emitDebugLoc() {
// Start the dwarf loc section.
- Asm->OutStreamer.SwitchSection(
+ Asm->OutStreamer->SwitchSection(
Asm->getObjFileLowering().getDwarfLocSection());
unsigned char Size = Asm->getDataLayout().getPointerSize();
for (const auto &List : DebugLocs.getLists()) {
- Asm->OutStreamer.EmitLabel(List.Label);
+ Asm->OutStreamer->EmitLabel(List.Label);
const DwarfCompileUnit *CU = List.CU;
for (const auto &Entry : DebugLocs.getEntries(List)) {
// Set up the range. This range is relative to the entry point of the
Asm->EmitLabelDifference(Entry.BeginSym, Base, Size);
Asm->EmitLabelDifference(Entry.EndSym, Base, Size);
} else {
- Asm->OutStreamer.EmitSymbolValue(Entry.BeginSym, Size);
- Asm->OutStreamer.EmitSymbolValue(Entry.EndSym, Size);
+ Asm->OutStreamer->EmitSymbolValue(Entry.BeginSym, Size);
+ Asm->OutStreamer->EmitSymbolValue(Entry.EndSym, Size);
}
emitDebugLocEntryLocation(Entry);
}
- Asm->OutStreamer.EmitIntValue(0, Size);
- Asm->OutStreamer.EmitIntValue(0, Size);
+ Asm->OutStreamer->EmitIntValue(0, Size);
+ Asm->OutStreamer->EmitIntValue(0, Size);
}
}
void DwarfDebug::emitDebugLocDWO() {
- Asm->OutStreamer.SwitchSection(
+ Asm->OutStreamer->SwitchSection(
Asm->getObjFileLowering().getDwarfLocDWOSection());
for (const auto &List : DebugLocs.getLists()) {
- Asm->OutStreamer.EmitLabel(List.Label);
+ Asm->OutStreamer->EmitLabel(List.Label);
for (const auto &Entry : DebugLocs.getEntries(List)) {
// Just always use start_length for now - at least that's one address
// rather than two. We could get fancier and try to, say, reuse an
// address we can tie back to a CU.
void DwarfDebug::emitDebugARanges() {
// Provides a unique id per text section.
- MapVector<const MCSection *, SmallVector<SymbolCU, 8>> SectionMap;
+ MapVector<MCSection *, SmallVector<SymbolCU, 8>> SectionMap;
// Filter labels by section.
for (const SymbolCU &SCU : ArangeLabels) {
if (SCU.Sym->isInSection()) {
// Make a note of this symbol and it's section.
- const MCSection *Section = &SCU.Sym->getSection();
+ MCSection *Section = &SCU.Sym->getSection();
if (!Section->getKind().isMetadata())
SectionMap[Section].push_back(SCU);
} else {
// Add terminating symbols for each section.
for (const auto &I : SectionMap) {
- const MCSection *Section = I.first;
+ MCSection *Section = I.first;
MCSymbol *Sym = nullptr;
if (Section)
- Sym = Asm->OutStreamer.endSection(Section);
+ Sym = Asm->OutStreamer->endSection(Section);
// Insert a final terminator.
SectionMap[Section].push_back(SymbolCU(nullptr, Sym));
// Sort the symbols by offset within the section.
std::sort(List.begin(), List.end(),
[&](const SymbolCU &A, const SymbolCU &B) {
- unsigned IA = A.Sym ? Asm->OutStreamer.GetSymbolOrder(A.Sym) : 0;
- unsigned IB = B.Sym ? Asm->OutStreamer.GetSymbolOrder(B.Sym) : 0;
+ unsigned IA = A.Sym ? Asm->OutStreamer->GetSymbolOrder(A.Sym) : 0;
+ unsigned IB = B.Sym ? Asm->OutStreamer->GetSymbolOrder(B.Sym) : 0;
// Symbols with no order assigned should be placed at the end.
// (e.g. section end labels)
}
// Start the dwarf aranges section.
- Asm->OutStreamer.SwitchSection(
+ Asm->OutStreamer->SwitchSection(
Asm->getObjFileLowering().getDwarfARangesSection());
unsigned PtrSize = Asm->getDataLayout().getPointerSize();
ContentSize += (List.size() + 1) * TupleSize;
// For each compile unit, write the list of spans it covers.
- Asm->OutStreamer.AddComment("Length of ARange Set");
+ Asm->OutStreamer->AddComment("Length of ARange Set");
Asm->EmitInt32(ContentSize);
- Asm->OutStreamer.AddComment("DWARF Arange version number");
+ Asm->OutStreamer->AddComment("DWARF Arange version number");
Asm->EmitInt16(dwarf::DW_ARANGES_VERSION);
- Asm->OutStreamer.AddComment("Offset Into Debug Info Section");
- Asm->emitSectionOffset(CU->getLabelBegin());
- Asm->OutStreamer.AddComment("Address Size (in bytes)");
+ Asm->OutStreamer->AddComment("Offset Into Debug Info Section");
+ Asm->emitDwarfSymbolReference(CU->getLabelBegin());
+ Asm->OutStreamer->AddComment("Address Size (in bytes)");
Asm->EmitInt8(PtrSize);
- Asm->OutStreamer.AddComment("Segment Size (in bytes)");
+ Asm->OutStreamer->AddComment("Segment Size (in bytes)");
Asm->EmitInt8(0);
- Asm->OutStreamer.EmitFill(Padding, 0xff);
+ Asm->OutStreamer->EmitFill(Padding, 0xff);
for (const ArangeSpan &Span : List) {
Asm->EmitLabelReference(Span.Start, PtrSize);
if (Size == 0)
Size = 1;
- Asm->OutStreamer.EmitIntValue(Size, PtrSize);
+ Asm->OutStreamer->EmitIntValue(Size, PtrSize);
}
}
- Asm->OutStreamer.AddComment("ARange terminator");
- Asm->OutStreamer.EmitIntValue(0, PtrSize);
- Asm->OutStreamer.EmitIntValue(0, PtrSize);
+ Asm->OutStreamer->AddComment("ARange terminator");
+ Asm->OutStreamer->EmitIntValue(0, PtrSize);
+ Asm->OutStreamer->EmitIntValue(0, PtrSize);
}
}
// Emit visible names into a debug ranges section.
void DwarfDebug::emitDebugRanges() {
// Start the dwarf ranges section.
- Asm->OutStreamer.SwitchSection(
+ Asm->OutStreamer->SwitchSection(
Asm->getObjFileLowering().getDwarfRangesSection());
// Size for our labels.
// Iterate over the misc ranges for the compile units in the module.
for (const RangeSpanList &List : TheCU->getRangeLists()) {
// Emit our symbol so we can find the beginning of the range.
- Asm->OutStreamer.EmitLabel(List.getSym());
+ Asm->OutStreamer->EmitLabel(List.getSym());
for (const RangeSpan &Range : List.getRanges()) {
const MCSymbol *Begin = Range.getStart();
Asm->EmitLabelDifference(Begin, Base, Size);
Asm->EmitLabelDifference(End, Base, Size);
} else {
- Asm->OutStreamer.EmitSymbolValue(Begin, Size);
- Asm->OutStreamer.EmitSymbolValue(End, Size);
+ Asm->OutStreamer->EmitSymbolValue(Begin, Size);
+ Asm->OutStreamer->EmitSymbolValue(End, Size);
}
}
// And terminate the list with two 0 values.
- Asm->OutStreamer.EmitIntValue(0, Size);
- Asm->OutStreamer.EmitIntValue(0, Size);
+ Asm->OutStreamer->EmitIntValue(0, Size);
+ Asm->OutStreamer->EmitIntValue(0, Size);
}
}
}
+unsigned DwarfDebug::handleMacroNodes(AsmStreamerBase *AS,
+ DIMacroNodeArray Nodes,
+ DwarfCompileUnit &U) {
+ unsigned Size = 0;
+ for (auto *MN : Nodes) {
+ if (auto *M = dyn_cast<DIMacro>(MN))
+ Size += emitMacro(AS, *M);
+ else if (auto *F = dyn_cast<DIMacroFile>(MN))
+ Size += emitMacroFile(AS, *F, U);
+ else
+ llvm_unreachable("Unexpected DI type!");
+ }
+ return Size;
+}
+
+unsigned DwarfDebug::emitMacro(AsmStreamerBase *AS, DIMacro &M) {
+ int Size = 0;
+ Size += AS->emitULEB128(M.getMacinfoType());
+ Size += AS->emitULEB128(M.getLine());
+ StringRef Name = M.getName();
+ StringRef Value = M.getValue();
+ Size += AS->emitBytes(Name);
+ if (!Value.empty()) {
+ // There should be one space between macro name and macro value.
+ Size += AS->emitInt8(' ');
+ Size += AS->emitBytes(Value);
+ }
+ Size += AS->emitInt8('\0');
+ return Size;
+}
+
+unsigned DwarfDebug::emitMacroFile(AsmStreamerBase *AS, DIMacroFile &F,
+ DwarfCompileUnit &U) {
+ int Size = 0;
+ assert(F.getMacinfoType() == dwarf::DW_MACINFO_start_file);
+ Size += AS->emitULEB128(dwarf::DW_MACINFO_start_file);
+ Size += AS->emitULEB128(F.getLine());
+ DIFile *File = F.getFile();
+ unsigned FID =
+ U.getOrCreateSourceID(File->getFilename(), File->getDirectory());
+ Size += AS->emitULEB128(FID);
+ Size += handleMacroNodes(AS, F.getElements(), U);
+ Size += AS->emitULEB128(dwarf::DW_MACINFO_end_file);
+ return Size;
+}
+
+// Emit visible names into a debug macinfo section.
+void DwarfDebug::emitDebugMacinfo() {
+ if (MCSection *Macinfo = Asm->getObjFileLowering().getDwarfMacinfoSection()) {
+ // Start the dwarf macinfo section.
+ Asm->OutStreamer->SwitchSection(Macinfo);
+ }
+ std::unique_ptr<AsmStreamerBase> AS(new EmittingAsmStreamer(Asm));
+ for (const auto &P : CUMap) {
+ auto &TheCU = *P.second;
+ auto *SkCU = TheCU.getSkeleton();
+ DwarfCompileUnit &U = SkCU ? *SkCU : TheCU;
+ auto *CUNode = cast<DICompileUnit>(P.first);
+ handleMacroNodes(AS.get(), CUNode->getMacros(), U);
+ }
+ Asm->OutStreamer->AddComment("End Of Macro List Mark");
+ Asm->EmitInt8(0);
+}
+
// DWARF5 Experimental Separate Dwarf emitters.
void DwarfDebug::initSkeletonUnit(const DwarfUnit &U, DIE &Die,
void DwarfDebug::emitDebugLineDWO() {
assert(useSplitDwarf() && "No split dwarf?");
- Asm->OutStreamer.SwitchSection(
+ Asm->OutStreamer->SwitchSection(
Asm->getObjFileLowering().getDwarfLineDWOSection());
- SplitTypeUnitFileTable.Emit(Asm->OutStreamer);
+ SplitTypeUnitFileTable.Emit(*Asm->OutStreamer, MCDwarfLineTableParams());
}
// Emit the .debug_str.dwo section for separated dwarf. This contains the
// sections.
void DwarfDebug::emitDebugStrDWO() {
assert(useSplitDwarf() && "No split dwarf?");
- const MCSection *OffSec =
- Asm->getObjFileLowering().getDwarfStrOffDWOSection();
+ MCSection *OffSec = Asm->getObjFileLowering().getDwarfStrOffDWOSection();
InfoHolder.emitStrings(Asm->getObjFileLowering().getDwarfStrDWOSection(),
OffSec);
}
return &SplitTypeUnitFileTable;
}
-static uint64_t makeTypeSignature(StringRef Identifier) {
+uint64_t DwarfDebug::makeTypeSignature(StringRef Identifier) {
MD5 Hash;
Hash.update(Identifier);
// ... take the least significant 8 bytes and return those. Our MD5
void DwarfDebug::addDwarfTypeUnitType(DwarfCompileUnit &CU,
StringRef Identifier, DIE &RefDie,
- DICompositeType CTy) {
+ const DICompositeType *CTy) {
// Fast path if we're building some type units and one has already used the
// address pool we know we're going to throw away all this work anyway, so
// don't bother building dependent types.
// This is inefficient because all the dependent types will be rebuilt
// from scratch, including building them in type units, discovering that
// they depend on addresses, throwing them out and rebuilding them.
- CU.constructTypeDIE(RefDie, CTy);
+ CU.constructTypeDIE(RefDie, cast<DICompositeType>(CTy));
return;
}
void DwarfDebug::addAccelName(StringRef Name, const DIE &Die) {
if (!useDwarfAccelTables())
return;
- AccelNames.AddName(Name, InfoHolder.getStringPool().getSymbol(*Asm, Name),
- &Die);
+ AccelNames.AddName(InfoHolder.getStringPool().getEntry(*Asm, Name), &Die);
}
void DwarfDebug::addAccelObjC(StringRef Name, const DIE &Die) {
if (!useDwarfAccelTables())
return;
- AccelObjC.AddName(Name, InfoHolder.getStringPool().getSymbol(*Asm, Name),
- &Die);
+ AccelObjC.AddName(InfoHolder.getStringPool().getEntry(*Asm, Name), &Die);
}
void DwarfDebug::addAccelNamespace(StringRef Name, const DIE &Die) {
if (!useDwarfAccelTables())
return;
- AccelNamespace.AddName(Name, InfoHolder.getStringPool().getSymbol(*Asm, Name),
- &Die);
+ AccelNamespace.AddName(InfoHolder.getStringPool().getEntry(*Asm, Name), &Die);
}
void DwarfDebug::addAccelType(StringRef Name, const DIE &Die, char Flags) {
if (!useDwarfAccelTables())
return;
- AccelTypes.AddName(Name, InfoHolder.getStringPool().getSymbol(*Asm, Name),
- &Die);
+ AccelTypes.AddName(InfoHolder.getStringPool().getEntry(*Asm, Name), &Die);
}
projects / oota-llvm.git / blobdiff