X86WinCOFFStreamer.cpp revision dce4a407a24b04eebc6a376f8e62b41aaa7b071f 
1//===-- X86WinCOFFStreamer.cpp - X86 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 "X86MCTargetDesc.h"
11#include "llvm/MC/MCWinCOFFStreamer.h"
12
13using namespace llvm;
14
15namespace {
16class X86WinCOFFStreamer : public MCWinCOFFStreamer {
17public:
18  X86WinCOFFStreamer(MCContext &C, MCAsmBackend &AB, MCCodeEmitter *CE,
19                     raw_ostream &OS)
20    : MCWinCOFFStreamer(C, AB, *CE, OS) { }
21
22  void EmitWin64EHHandlerData() override;
23  void FinishImpl() override;
24};
25
26void X86WinCOFFStreamer::EmitWin64EHHandlerData() {
27  MCStreamer::EmitWin64EHHandlerData();
28
29  // We have to emit the unwind info now, because this directive
30  // actually switches to the .xdata section!
31  MCWin64EHUnwindEmitter::EmitUnwindInfo(*this, getCurrentW64UnwindInfo());
32}
33
34void X86WinCOFFStreamer::FinishImpl() {
35  EmitFrames(nullptr);
36  EmitW64Tables();
37
38  MCWinCOFFStreamer::FinishImpl();
39}
40}
41
42namespace llvm {
43MCStreamer *createX86WinCOFFStreamer(MCContext &C, MCAsmBackend &AB,
44                                     MCCodeEmitter *CE, raw_ostream &OS,
45                                     bool RelaxAll) {
46  X86WinCOFFStreamer *S = new X86WinCOFFStreamer(C, AB, CE, OS);
47  S->getAssembler().setRelaxAll(RelaxAll);
48  return S;
49}
50}
51
52