1 //===- lib/MC/MCNullStreamer.cpp - Dummy Streamer Implementation ----------===//
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 "llvm/MC/MCStreamer.h"
11 #include "llvm/MC/MCContext.h"
12 #include "llvm/MC/MCInst.h"
13 #include "llvm/MC/MCSectionMachO.h"
14 #include "llvm/MC/MCSymbol.h"
15
16 using namespace llvm;
17
18 namespace {
19
20 class MCNullStreamer : public MCStreamer {
21 public:
MCNullStreamer(MCContext & Context)22 MCNullStreamer(MCContext &Context) : MCStreamer(Context) {}
23
24 /// @name MCStreamer Interface
25 /// @{
26
EmitSymbolAttribute(MCSymbol * Symbol,MCSymbolAttr Attribute)27 bool EmitSymbolAttribute(MCSymbol *Symbol,
28 MCSymbolAttr Attribute) override {
29 return true;
30 }
31
EmitCommonSymbol(MCSymbol * Symbol,uint64_t Size,unsigned ByteAlignment)32 void EmitCommonSymbol(MCSymbol *Symbol, uint64_t Size,
33 unsigned ByteAlignment) override {}
EmitZerofill(const MCSection * Section,MCSymbol * Symbol=nullptr,uint64_t Size=0,unsigned ByteAlignment=0)34 void EmitZerofill(const MCSection *Section, MCSymbol *Symbol = nullptr,
35 uint64_t Size = 0, unsigned ByteAlignment = 0) override {}
EmitGPRel32Value(const MCExpr * Value)36 void EmitGPRel32Value(const MCExpr *Value) override {}
37 };
38
39 }
40
createNullStreamer(MCContext & Context)41 MCStreamer *llvm::createNullStreamer(MCContext &Context) {
42 return new MCNullStreamer(Context);
43 }
44