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/MCWinCOFFStreamer.h"
14 
15 using namespace llvm;
16 
17 namespace {
18 class ARMWinCOFFStreamer : public MCWinCOFFStreamer {
19 public:
20   ARMWinCOFFStreamer(MCContext &C, std::unique_ptr<MCAsmBackend> AB,
21                      std::unique_ptr<MCCodeEmitter> CE, raw_pwrite_stream &OS)
22       : MCWinCOFFStreamer(C, std::move(AB), std::move(CE), OS) {}
23 
24   void EmitAssemblerFlag(MCAssemblerFlag Flag) override;
25   void EmitThumbFunc(MCSymbol *Symbol) override;
26 };
27 
28 void ARMWinCOFFStreamer::EmitAssemblerFlag(MCAssemblerFlag Flag) {
29   switch (Flag) {
30   default: llvm_unreachable("not implemented");
31   case MCAF_SyntaxUnified:
32   case MCAF_Code16:
33     break;
34   }
35 }
36 
37 void ARMWinCOFFStreamer::EmitThumbFunc(MCSymbol *Symbol) {
38   getAssembler().setIsThumbFunc(Symbol);
39 }
40 }
41 
42 MCStreamer *llvm::createARMWinCOFFStreamer(
43     MCContext &Context, std::unique_ptr<MCAsmBackend> &&MAB,
44     raw_pwrite_stream &OS, std::unique_ptr<MCCodeEmitter> &&Emitter,
45     bool RelaxAll, bool IncrementalLinkerCompatible) {
46   auto *S =
47       new ARMWinCOFFStreamer(Context, std::move(MAB), std::move(Emitter), OS);
48   S->getAssembler().setIncrementalLinkerCompatible(IncrementalLinkerCompatible);
49   return S;
50 }
51 
52