#include "llvm/Support/ErrorHandling.h"
#include "llvm/Support/raw_ostream.h"
#include "llvm/Target/TargetAsmBackend.h"
+#include "llvm/Target/TargetAsmInfo.h"
using namespace llvm;
virtual void InitSections();
virtual void EmitLabel(MCSymbol *Symbol);
+ virtual void EmitEHSymAttributes(const MCSymbol *Symbol,
+ MCSymbol *EHSymbol);
virtual void EmitAssemblerFlag(MCAssemblerFlag Flag);
virtual void EmitThumbFunc(MCSymbol *Func);
virtual void EmitAssignment(MCSymbol *Symbol, const MCExpr *Value);
}
+void MCMachOStreamer::EmitEHSymAttributes(const MCSymbol *Symbol,
+ MCSymbol *EHSymbol) {
+ MCSymbolData &SD =
+ getAssembler().getOrCreateSymbolData(*Symbol);
+ if (SD.isExternal())
+ EmitSymbolAttribute(EHSymbol, MCSA_Global);
+ if (SD.getFlags() & SF_WeakDefinition)
+ EmitSymbolAttribute(EHSymbol, MCSA_WeakDefinition);
+ if (SD.isPrivateExtern())
+ EmitSymbolAttribute(EHSymbol, MCSA_PrivateExtern);
+}
+
void MCMachOStreamer::EmitLabel(MCSymbol *Symbol) {
assert(Symbol->isUndefined() && "Cannot define a symbol twice!");
// isSymbolLinkerVisible uses the section.
- Symbol->setSection(*CurSection);
+ Symbol->setSection(*getCurrentSection());
// We have to create a new fragment if this is an atom defining symbol,
// fragments cannot span atoms.
if (getAssembler().isSymbolLinkerVisible(*Symbol))
}
}
-void MCMachOStreamer::EmitThumbFunc(MCSymbol *Func) {
+void MCMachOStreamer::EmitThumbFunc(MCSymbol *Symbol) {
// FIXME: Flag the function ISA as thumb with DW_AT_APPLE_isa.
+
+ // Remember that the function is a thumb function. Fixup and relocation
+ // values will need adjusted.
+ getAssembler().setIsThumbFunc(Symbol);
+
+ // Mark the thumb bit on the symbol.
+ MCSymbolData &SD = getAssembler().getOrCreateSymbolData(*Symbol);
+ SD.setFlags(SD.getFlags() | SF_ThumbFunc);
}
void MCMachOStreamer::EmitAssignment(MCSymbol *Symbol, const MCExpr *Value) {
}
void MCMachOStreamer::Finish() {
- // Dump out the dwarf file & directory tables and line tables.
- if (getContext().hasDwarfFiles()) {
- const MCSection *DwarfLineSection = getContext().getMachOSection("__DWARF",
- "__debug_line",
- MCSectionMachO::S_ATTR_DEBUG,
- 0, SectionKind::getDataRelLocal());
- MCDwarfFileTable::Emit(this, DwarfLineSection);
- }
+ if (getNumFrameInfos())
+ MCDwarfFrameEmitter::Emit(*this, true);
// We have to set the fragment atom associations so we can relax properly for
// Mach-O.