derek.holloway
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66 lines
2.1 KiB
C++
66 lines
2.1 KiB
C++
#include "AVRELFStreamer.h"
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#include "AVRMCTargetDesc.h"
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#include "llvm/BinaryFormat/ELF.h"
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#include "llvm/MC/MCELFObjectWriter.h"
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#include "llvm/MC/MCSubtargetInfo.h"
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#include "llvm/TargetParser/SubtargetFeature.h"
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namespace llvm {
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static unsigned getEFlagsForFeatureSet(const FeatureBitset &Features) {
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unsigned EFlags = 0;
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// Set architecture
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if (Features[AVR::ELFArchAVR1])
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EFlags |= ELF::EF_AVR_ARCH_AVR1;
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else if (Features[AVR::ELFArchAVR2])
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EFlags |= ELF::EF_AVR_ARCH_AVR2;
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else if (Features[AVR::ELFArchAVR25])
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EFlags |= ELF::EF_AVR_ARCH_AVR25;
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else if (Features[AVR::ELFArchAVR3])
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EFlags |= ELF::EF_AVR_ARCH_AVR3;
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else if (Features[AVR::ELFArchAVR31])
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EFlags |= ELF::EF_AVR_ARCH_AVR31;
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else if (Features[AVR::ELFArchAVR35])
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EFlags |= ELF::EF_AVR_ARCH_AVR35;
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else if (Features[AVR::ELFArchAVR4])
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EFlags |= ELF::EF_AVR_ARCH_AVR4;
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else if (Features[AVR::ELFArchAVR5])
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EFlags |= ELF::EF_AVR_ARCH_AVR5;
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else if (Features[AVR::ELFArchAVR51])
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EFlags |= ELF::EF_AVR_ARCH_AVR51;
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else if (Features[AVR::ELFArchAVR6])
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EFlags |= ELF::EF_AVR_ARCH_AVR6;
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else if (Features[AVR::ELFArchTiny])
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EFlags |= ELF::EF_AVR_ARCH_AVRTINY;
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else if (Features[AVR::ELFArchXMEGA1])
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EFlags |= ELF::EF_AVR_ARCH_XMEGA1;
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else if (Features[AVR::ELFArchXMEGA2])
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EFlags |= ELF::EF_AVR_ARCH_XMEGA2;
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else if (Features[AVR::ELFArchXMEGA3])
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EFlags |= ELF::EF_AVR_ARCH_XMEGA3;
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else if (Features[AVR::ELFArchXMEGA4])
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EFlags |= ELF::EF_AVR_ARCH_XMEGA4;
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else if (Features[AVR::ELFArchXMEGA5])
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EFlags |= ELF::EF_AVR_ARCH_XMEGA5;
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else if (Features[AVR::ELFArchXMEGA6])
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EFlags |= ELF::EF_AVR_ARCH_XMEGA6;
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else if (Features[AVR::ELFArchXMEGA7])
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EFlags |= ELF::EF_AVR_ARCH_XMEGA7;
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return EFlags;
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}
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AVRELFStreamer::AVRELFStreamer(MCStreamer &S, const MCSubtargetInfo &STI)
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: AVRTargetStreamer(S) {
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ELFObjectWriter &W = getStreamer().getWriter();
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unsigned EFlags = W.getELFHeaderEFlags();
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EFlags |= getEFlagsForFeatureSet(STI.getFeatureBits());
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EFlags |= ELF::EF_AVR_LINKRELAX_PREPARED;
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W.setELFHeaderEFlags(EFlags);
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}
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} // end namespace llvm
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