LLVM: lib/Target/X86/MCTargetDesc/X86WinCOFFStreamer.cpp Source File (original) (raw)
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17
18using namespace llvm;
19
20namespace {
22 Win64EH::UnwindEmitter EHStreamer;
23public:
24 X86WinCOFFStreamer(MCContext &C, std::unique_ptr AB,
25 std::unique_ptr CE,
26 std::unique_ptr OW)
27 : MCWinCOFFStreamer(C, std::move(AB), std::move(CE), std::move(OW)) {}
28
29 void emitInstruction(const MCInst &Inst, const MCSubtargetInfo &STI) override;
30 void emitWinEHHandlerData(SMLoc Loc) override;
31 void emitWindowsUnwindTables(WinEH::FrameInfo *Frame) override;
32 void emitWindowsUnwindTables() override;
33 void emitCVFPOData(const MCSymbol *ProcSym, SMLoc Loc) override;
34 void finishImpl() override;
35};
36
37void X86WinCOFFStreamer::emitInstruction(const MCInst &Inst,
40}
41
42void X86WinCOFFStreamer::emitWinEHHandlerData(SMLoc Loc) {
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45
46
47 if (WinEH::FrameInfo *CurFrame = getCurrentWinFrameInfo())
48 EHStreamer.EmitUnwindInfo(*this, CurFrame, true);
49}
50
51void X86WinCOFFStreamer::emitWindowsUnwindTables(WinEH::FrameInfo *Frame) {
52 EHStreamer.EmitUnwindInfo(*this, Frame, false);
53}
54
55void X86WinCOFFStreamer::emitWindowsUnwindTables() {
56 if (!getNumWinFrameInfos())
57 return;
58 EHStreamer.Emit(*this);
59}
60
61void X86WinCOFFStreamer::emitCVFPOData(const MCSymbol *ProcSym, SMLoc Loc) {
62 X86TargetStreamer *XTS =
63 static_cast<X86TargetStreamer *>(getTargetStreamer());
65}
66
67void X86WinCOFFStreamer::finishImpl() {
68 emitFrames();
69 emitWindowsUnwindTables();
70
72}
73}
74
75MCStreamer *
77 std::unique_ptr &&OW,
78 std::unique_ptr &&CE) {
79 return new X86WinCOFFStreamer(C, std::move(AB), std::move(CE), std::move(OW));
80}
Context object for machine code objects.
Instances of this class represent a single low-level machine instruction.
virtual void emitWinEHHandlerData(SMLoc Loc=SMLoc())
Generic base class for all target subtargets.
void finishImpl() override
Streamer specific finalization.
void Emit(MCStreamer &Streamer) const override
This emits the unwind info sections (.pdata and .xdata in PE/COFF).
void EmitUnwindInfo(MCStreamer &Streamer, WinEH::FrameInfo *FI, bool HandlerData) const override
virtual bool emitFPOData(const MCSymbol *ProcSym, SMLoc L={})
@ C
The default llvm calling convention, compatible with C.
@ CE
Windows NT (Windows on ARM)
void emitInstruction(MCObjectStreamer &, const MCInst &Inst, const MCSubtargetInfo &STI)
This is an optimization pass for GlobalISel generic memory operations.
MCStreamer * createX86WinCOFFStreamer(MCContext &C, std::unique_ptr< MCAsmBackend > &&AB, std::unique_ptr< MCObjectWriter > &&OW, std::unique_ptr< MCCodeEmitter > &&CE)
Construct an X86 Windows COFF machine code streamer which will generate PE/COFF format object files.
Definition X86WinCOFFStreamer.cpp:76
OutputIt move(R &&Range, OutputIt Out)
Provide wrappers to std::move which take ranges instead of having to pass begin/end explicitly.