1 //===-- ARMWinCOFFStreamer.cpp - ARM Target WinCOFF Streamer ----*- C++ -*-===//
2 //
3 // The LLVM Compiler Infrastructure
4 //
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
7 //
8 //===----------------------------------------------------------------------===//
9
10 #include "ARMMCTargetDesc.h"
11 #include "llvm/MC/MCAsmBackend.h"
12 #include "llvm/MC/MCCodeEmitter.h"
13 #include "llvm/MC/MCObjectWriter.h"
14 #include "llvm/MC/MCWinCOFFStreamer.h"
15
16 using namespace llvm;
17
18 namespace {
19 class ARMWinCOFFStreamer : public MCWinCOFFStreamer {
20 public:
ARMWinCOFFStreamer(MCContext & C,std::unique_ptr<MCAsmBackend> AB,std::unique_ptr<MCCodeEmitter> CE,std::unique_ptr<MCObjectWriter> OW)21 ARMWinCOFFStreamer(MCContext &C, std::unique_ptr<MCAsmBackend> AB,
22 std::unique_ptr<MCCodeEmitter> CE,
23 std::unique_ptr<MCObjectWriter> OW)
24 : MCWinCOFFStreamer(C, std::move(AB), std::move(CE), std::move(OW)) {}
25
26 void EmitAssemblerFlag(MCAssemblerFlag Flag) override;
27 void EmitThumbFunc(MCSymbol *Symbol) override;
28 void FinishImpl() override;
29 };
30
EmitAssemblerFlag(MCAssemblerFlag Flag)31 void ARMWinCOFFStreamer::EmitAssemblerFlag(MCAssemblerFlag Flag) {
32 switch (Flag) {
33 default: llvm_unreachable("not implemented");
34 case MCAF_SyntaxUnified:
35 case MCAF_Code16:
36 break;
37 }
38 }
39
EmitThumbFunc(MCSymbol * Symbol)40 void ARMWinCOFFStreamer::EmitThumbFunc(MCSymbol *Symbol) {
41 getAssembler().setIsThumbFunc(Symbol);
42 }
43
FinishImpl()44 void ARMWinCOFFStreamer::FinishImpl() {
45 EmitFrames(nullptr);
46
47 MCWinCOFFStreamer::FinishImpl();
48 }
49 }
50
createARMWinCOFFStreamer(MCContext & Context,std::unique_ptr<MCAsmBackend> && MAB,std::unique_ptr<MCObjectWriter> && OW,std::unique_ptr<MCCodeEmitter> && Emitter,bool RelaxAll,bool IncrementalLinkerCompatible)51 MCStreamer *llvm::createARMWinCOFFStreamer(
52 MCContext &Context, std::unique_ptr<MCAsmBackend> &&MAB,
53 std::unique_ptr<MCObjectWriter> &&OW,
54 std::unique_ptr<MCCodeEmitter> &&Emitter, bool RelaxAll,
55 bool IncrementalLinkerCompatible) {
56 auto *S = new ARMWinCOFFStreamer(Context, std::move(MAB), std::move(Emitter),
57 std::move(OW));
58 S->getAssembler().setIncrementalLinkerCompatible(IncrementalLinkerCompatible);
59 return S;
60 }
61
62