1 //===-- X86WinCOFFStreamer.cpp - X86 Target WinCOFF Streamer ----*- C++ -*-===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 #include "X86MCTargetDesc.h"
11 #include "llvm/MC/MCWinCOFFStreamer.h"
16 class X86WinCOFFStreamer : public MCWinCOFFStreamer {
18 X86WinCOFFStreamer(MCContext &C, MCAsmBackend &AB, MCCodeEmitter *CE,
20 : MCWinCOFFStreamer(C, AB, *CE, OS) { }
22 void EmitWinEHHandlerData() override;
23 void EmitWindowsUnwindTables() override;
24 void FinishImpl() override;
27 void X86WinCOFFStreamer::EmitWinEHHandlerData() {
28 MCStreamer::EmitWinEHHandlerData();
30 // We have to emit the unwind info now, because this directive
31 // actually switches to the .xdata section!
32 MCWin64EHUnwindEmitter::EmitUnwindInfo(*this, getCurrentWinFrameInfo());
35 void X86WinCOFFStreamer::EmitWindowsUnwindTables() {
36 if (!getNumWinFrameInfos())
38 MCWin64EHUnwindEmitter::Emit(*this);
41 void X86WinCOFFStreamer::FinishImpl() {
43 EmitWindowsUnwindTables();
45 MCWinCOFFStreamer::FinishImpl();
50 MCStreamer *createX86WinCOFFStreamer(MCContext &C, MCAsmBackend &AB,
51 MCCodeEmitter *CE, raw_ostream &OS,
53 X86WinCOFFStreamer *S = new X86WinCOFFStreamer(C, AB, CE, OS);
54 S->getAssembler().setRelaxAll(RelaxAll);