#include "llvm/Support/ErrorHandling.h"
#include "llvm/Support/raw_ostream.h"
#include "llvm/Target/TargetAsmBackend.h"
+#include "llvm/Target/TargetAsmInfo.h"
using namespace llvm;
class MCMachOStreamer : public MCObjectStreamer {
private:
- virtual void EmitInstToFragment(const MCInst &Inst);
virtual void EmitInstToData(const MCInst &Inst);
public:
MCMachOStreamer(MCContext &Context, TargetAsmBackend &TAB,
raw_ostream &OS, MCCodeEmitter *Emitter)
- : MCObjectStreamer(Context, TAB, OS, Emitter, true) {}
+ : MCObjectStreamer(Context, TAB, OS, Emitter) {}
/// @name MCStreamer Interface
/// @{
unsigned MaxBytesToEmit = 0);
virtual void EmitCodeAlignment(unsigned ByteAlignment,
unsigned MaxBytesToEmit = 0);
- virtual void EmitValueToOffset(const MCExpr *Offset,
- unsigned char Value = 0);
virtual void EmitFileDirective(StringRef Filename) {
// FIXME: Just ignore the .file; it isn't important enough to fail the
}
void MCMachOStreamer::EmitAssemblerFlag(MCAssemblerFlag Flag) {
+ // Let the target do whatever target specific stuff it needs to do.
+ getAssembler().getBackend().HandleAssemblerFlag(Flag);
+ // Do any generic stuff we need to do.
switch (Flag) {
case MCAF_SyntaxUnified: return; // no-op here.
case MCAF_Code16: return; // no-op here.
void MCMachOStreamer::EmitThumbFunc(MCSymbol *Func) {
// 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(Func);
}
void MCMachOStreamer::EmitAssignment(MCSymbol *Symbol, const MCExpr *Value) {
getCurrentSectionData()->setAlignment(ByteAlignment);
}
-void MCMachOStreamer::EmitValueToOffset(const MCExpr *Offset,
- unsigned char Value) {
- new MCOrgFragment(*Offset, Value, getCurrentSectionData());
-}
-
-void MCMachOStreamer::EmitInstToFragment(const MCInst &Inst) {
- MCInstFragment *IF = new MCInstFragment(Inst, getCurrentSectionData());
-
- // Add the fixups and data.
- //
- // FIXME: Revisit this design decision when relaxation is done, we may be
- // able to get away with not storing any extra data in the MCInst.
- SmallVector<MCFixup, 4> Fixups;
- SmallString<256> Code;
- raw_svector_ostream VecOS(Code);
- getAssembler().getEmitter().EncodeInstruction(Inst, VecOS, Fixups);
- VecOS.flush();
-
- IF->getCode() = Code;
- IF->getFixups() = Fixups;
-}
-
void MCMachOStreamer::EmitInstToData(const MCInst &Inst) {
MCDataFragment *DF = getOrCreateDataFragment();
}
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());
- MCSectionData &DLS =
- getAssembler().getOrCreateSectionData(*DwarfLineSection);
- int PointerSize = getAssembler().getBackend().getPointerSize();
- MCDwarfFileTable::Emit(this, DwarfLineSection, &DLS, PointerSize);
- }
-
// We have to set the fragment atom associations so we can relax properly for
// Mach-O.