bca0c3cdb6
These directives allow the 'C' (compressed) extension to be enabled/disabled within a single file. Differential Revision: https://reviews.llvm.org/D45864 Patch by Kito Cheng llvm-svn: 332107
43 lines
1.3 KiB
C++
43 lines
1.3 KiB
C++
//===-- RISCVELFStreamer.cpp - RISCV ELF Target Streamer Methods ----------===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// This file provides RISCV specific target streamer methods.
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//
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//===----------------------------------------------------------------------===//
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#include "RISCVELFStreamer.h"
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#include "RISCVMCTargetDesc.h"
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#include "llvm/BinaryFormat/ELF.h"
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#include "llvm/MC/MCSubtargetInfo.h"
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using namespace llvm;
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// This part is for ELF object output.
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RISCVTargetELFStreamer::RISCVTargetELFStreamer(MCStreamer &S,
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const MCSubtargetInfo &STI)
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: RISCVTargetStreamer(S) {
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MCAssembler &MCA = getStreamer().getAssembler();
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const FeatureBitset &Features = STI.getFeatureBits();
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unsigned EFlags = MCA.getELFHeaderEFlags();
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if (Features[RISCV::FeatureStdExtC])
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EFlags |= ELF::EF_RISCV_RVC;
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MCA.setELFHeaderEFlags(EFlags);
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}
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MCELFStreamer &RISCVTargetELFStreamer::getStreamer() {
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return static_cast<MCELFStreamer &>(Streamer);
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}
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void RISCVTargetELFStreamer::emitDirectiveOptionRVC() {}
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void RISCVTargetELFStreamer::emitDirectiveOptionNoRVC() {}
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