lib/MC/MCXCOFFStreamer.cpp

   1 //===- lib/MC/MCXCOFFStreamer.cpp - XCOFF Object Output -------------------===//
   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 // This file assembles .s files and emits XCOFF .o object files.
  10 //
  11 //===----------------------------------------------------------------------===//
  12
  13 #include "llvm/MC/MCXCOFFStreamer.h"
  14 #include "llvm/MC/MCAsmBackend.h"
  15 #include "llvm/MC/MCCodeEmitter.h"
  16 #include "llvm/MC/MCObjectWriter.h"
  17 #include "llvm/Support/TargetRegistry.h"
  18
  19 using namespace llvm;
  20
  21 MCXCOFFStreamer::MCXCOFFStreamer(MCContext &Context,
  22                                  std::unique_ptr<MCAsmBackend> MAB,
  23                                  std::unique_ptr<MCObjectWriter> OW,
  24                                  std::unique_ptr<MCCodeEmitter> Emitter)
  25     : MCObjectStreamer(Context, std::move(MAB), std::move(OW),
  26                        std::move(Emitter)) {}
  27
  28 bool MCXCOFFStreamer::EmitSymbolAttribute(MCSymbol *Symbol,
  29                                           MCSymbolAttr Attribute) {
  30   report_fatal_error("Symbol attributes not implemented for XCOFF.");
  31 }
  32
  33 void MCXCOFFStreamer::EmitCommonSymbol(MCSymbol *Symbol, uint64_t Size,
  34                                        unsigned ByteAlignment) {
  35   report_fatal_error("Emiting common symbols not implemented for XCOFF.");
  36 }
  37
  38 void MCXCOFFStreamer::EmitZerofill(MCSection *Section, MCSymbol *Symbol,
  39                                    uint64_t Size, unsigned ByteAlignment,
  40                                    SMLoc Loc) {
  41   report_fatal_error("Zero fill not implemented for XCOFF.");
  42 }
  43
  44 void MCXCOFFStreamer::EmitInstToData(const MCInst &Inst,
  45                                      const MCSubtargetInfo &) {
  46   report_fatal_error("Instruction emission not implemented for XCOFF.");
  47 }
  48
  49 MCStreamer *llvm::createXCOFFStreamer(MCContext &Context,
  50                                       std::unique_ptr<MCAsmBackend> &&MAB,
  51                                       std::unique_ptr<MCObjectWriter> &&OW,
  52                                       std::unique_ptr<MCCodeEmitter> &&CE,
  53                                       bool RelaxAll) {
  54   MCXCOFFStreamer *S = new MCXCOFFStreamer(Context, std::move(MAB),
  55                                            std::move(OW), std::move(CE));
  56   if (RelaxAll)
  57     S->getAssembler().setRelaxAll(true);
  58   return S;
  59 }