diff options
Diffstat (limited to 'lib/MC/MCObjectStreamer.cpp')
-rw-r--r-- | lib/MC/MCObjectStreamer.cpp | 23 |
1 files changed, 12 insertions, 11 deletions
diff --git a/lib/MC/MCObjectStreamer.cpp b/lib/MC/MCObjectStreamer.cpp index 6aa2de3..d254e95 100644 --- a/lib/MC/MCObjectStreamer.cpp +++ b/lib/MC/MCObjectStreamer.cpp @@ -24,18 +24,13 @@ using namespace llvm; MCObjectStreamer::MCObjectStreamer(MCContext &Context, MCAsmBackend &TAB, - raw_ostream &OS, MCCodeEmitter *Emitter_) + raw_pwrite_stream &OS, + MCCodeEmitter *Emitter_) : MCStreamer(Context), Assembler(new MCAssembler(Context, TAB, *Emitter_, *TAB.createObjectWriter(OS), OS)), CurSectionData(nullptr), EmitEHFrame(true), EmitDebugFrame(false) {} -MCObjectStreamer::MCObjectStreamer(MCContext &Context, MCAsmBackend &TAB, - raw_ostream &OS, MCCodeEmitter *Emitter_, - MCAssembler *Assembler) - : MCStreamer(Context), Assembler(Assembler), CurSectionData(nullptr), - EmitEHFrame(true), EmitDebugFrame(false) {} - MCObjectStreamer::~MCObjectStreamer() { delete &Assembler->getBackend(); delete &Assembler->getEmitter(); @@ -43,7 +38,7 @@ MCObjectStreamer::~MCObjectStreamer() { delete Assembler; } -void MCObjectStreamer::flushPendingLabels(MCFragment *F) { +void MCObjectStreamer::flushPendingLabels(MCFragment *F, uint64_t FOffset) { if (PendingLabels.size()) { if (!F) { F = new MCDataFragment(); @@ -52,7 +47,7 @@ void MCObjectStreamer::flushPendingLabels(MCFragment *F) { } for (MCSymbolData *SD : PendingLabels) { SD->setFragment(F); - SD->setOffset(0); + SD->setOffset(FOffset); } PendingLabels.clear(); } @@ -93,7 +88,8 @@ MCDataFragment *MCObjectStreamer::getOrCreateDataFragment() { MCDataFragment *F = dyn_cast_or_null<MCDataFragment>(getCurrentFragment()); // When bundling is enabled, we don't want to add data to a fragment that // already has instructions (see MCELFStreamer::EmitInstToData for details) - if (!F || (Assembler->isBundlingEnabled() && F->hasInstructions())) { + if (!F || (Assembler->isBundlingEnabled() && !Assembler->getRelaxAll() && + F->hasInstructions())) { F = new MCDataFragment(); insert(F); } @@ -149,7 +145,9 @@ void MCObjectStreamer::EmitLabel(MCSymbol *Symbol) { // If there is a current fragment, mark the symbol as pointing into it. // Otherwise queue the label and set its fragment pointer when we emit the // next fragment. - if (auto *F = dyn_cast_or_null<MCDataFragment>(getCurrentFragment())) { + auto *F = dyn_cast_or_null<MCDataFragment>(getCurrentFragment()); + if (F && !(getAssembler().isBundlingEnabled() && + getAssembler().getRelaxAll())) { SD.setFragment(F); SD.setOffset(F->getContents().size()); } else { @@ -248,6 +246,9 @@ void MCObjectStreamer::EmitInstruction(const MCInst &Inst, void MCObjectStreamer::EmitInstToFragment(const MCInst &Inst, const MCSubtargetInfo &STI) { + if (getAssembler().getRelaxAll() && getAssembler().isBundlingEnabled()) + llvm_unreachable("All instructions should have already been relaxed"); + // Always create a new, separate fragment here, because its size can change // during relaxation. MCRelaxableFragment *IF = new MCRelaxableFragment(Inst, STI); |