1 //===-- ARMWinCOFFStreamer.cpp - ARM Target WinCOFF Streamer ----*- C++ -*-===//
2 //
3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 // See https://llvm.org/LICENSE.txt for license information.
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6 //
7 //===----------------------------------------------------------------------===//
8
9 #include "ARMMCTargetDesc.h"
10 #include "llvm/MC/MCAsmBackend.h"
11 #include "llvm/MC/MCCodeEmitter.h"
12 #include "llvm/MC/MCObjectWriter.h"
13 #include "llvm/MC/MCWinCOFFStreamer.h"
14
15 using namespace llvm;
16
17 namespace {
18 class ARMWinCOFFStreamer : public MCWinCOFFStreamer {
19 public:
ARMWinCOFFStreamer(MCContext & C,std::unique_ptr<MCAsmBackend> AB,std::unique_ptr<MCCodeEmitter> CE,std::unique_ptr<MCObjectWriter> OW)20 ARMWinCOFFStreamer(MCContext &C, std::unique_ptr<MCAsmBackend> AB,
21 std::unique_ptr<MCCodeEmitter> CE,
22 std::unique_ptr<MCObjectWriter> OW)
23 : MCWinCOFFStreamer(C, std::move(AB), std::move(CE), std::move(OW)) {}
24
25 void EmitAssemblerFlag(MCAssemblerFlag Flag) override;
26 void EmitThumbFunc(MCSymbol *Symbol) override;
27 void FinishImpl() override;
28 };
29
EmitAssemblerFlag(MCAssemblerFlag Flag)30 void ARMWinCOFFStreamer::EmitAssemblerFlag(MCAssemblerFlag Flag) {
31 switch (Flag) {
32 default: llvm_unreachable("not implemented");
33 case MCAF_SyntaxUnified:
34 case MCAF_Code16:
35 break;
36 }
37 }
38
EmitThumbFunc(MCSymbol * Symbol)39 void ARMWinCOFFStreamer::EmitThumbFunc(MCSymbol *Symbol) {
40 getAssembler().setIsThumbFunc(Symbol);
41 }
42
FinishImpl()43 void ARMWinCOFFStreamer::FinishImpl() {
44 EmitFrames(nullptr);
45
46 MCWinCOFFStreamer::FinishImpl();
47 }
48 }
49
createARMWinCOFFStreamer(MCContext & Context,std::unique_ptr<MCAsmBackend> && MAB,std::unique_ptr<MCObjectWriter> && OW,std::unique_ptr<MCCodeEmitter> && Emitter,bool RelaxAll,bool IncrementalLinkerCompatible)50 MCStreamer *llvm::createARMWinCOFFStreamer(
51 MCContext &Context, std::unique_ptr<MCAsmBackend> &&MAB,
52 std::unique_ptr<MCObjectWriter> &&OW,
53 std::unique_ptr<MCCodeEmitter> &&Emitter, bool RelaxAll,
54 bool IncrementalLinkerCompatible) {
55 auto *S = new ARMWinCOFFStreamer(Context, std::move(MAB), std::move(Emitter),
56 std::move(OW));
57 S->getAssembler().setIncrementalLinkerCompatible(IncrementalLinkerCompatible);
58 return S;
59 }
60
61