1 #include "AVRELFStreamer.h" 2 3 #include "llvm/BinaryFormat/ELF.h" 4 #include "llvm/MC/MCAssembler.h" 5 #include "llvm/MC/MCSubtargetInfo.h" 6 #include "llvm/Support/FormattedStream.h" 7 #include "llvm/TargetParser/SubtargetFeature.h" 8 9 #include "AVRMCTargetDesc.h" 10 11 namespace llvm { 12 getEFlagsForFeatureSet(const FeatureBitset & Features)13static unsigned getEFlagsForFeatureSet(const FeatureBitset &Features) { 14 unsigned EFlags = 0; 15 16 // Set architecture 17 if (Features[AVR::ELFArchAVR1]) 18 EFlags |= ELF::EF_AVR_ARCH_AVR1; 19 else if (Features[AVR::ELFArchAVR2]) 20 EFlags |= ELF::EF_AVR_ARCH_AVR2; 21 else if (Features[AVR::ELFArchAVR25]) 22 EFlags |= ELF::EF_AVR_ARCH_AVR25; 23 else if (Features[AVR::ELFArchAVR3]) 24 EFlags |= ELF::EF_AVR_ARCH_AVR3; 25 else if (Features[AVR::ELFArchAVR31]) 26 EFlags |= ELF::EF_AVR_ARCH_AVR31; 27 else if (Features[AVR::ELFArchAVR35]) 28 EFlags |= ELF::EF_AVR_ARCH_AVR35; 29 else if (Features[AVR::ELFArchAVR4]) 30 EFlags |= ELF::EF_AVR_ARCH_AVR4; 31 else if (Features[AVR::ELFArchAVR5]) 32 EFlags |= ELF::EF_AVR_ARCH_AVR5; 33 else if (Features[AVR::ELFArchAVR51]) 34 EFlags |= ELF::EF_AVR_ARCH_AVR51; 35 else if (Features[AVR::ELFArchAVR6]) 36 EFlags |= ELF::EF_AVR_ARCH_AVR6; 37 else if (Features[AVR::ELFArchTiny]) 38 EFlags |= ELF::EF_AVR_ARCH_AVRTINY; 39 else if (Features[AVR::ELFArchXMEGA1]) 40 EFlags |= ELF::EF_AVR_ARCH_XMEGA1; 41 else if (Features[AVR::ELFArchXMEGA2]) 42 EFlags |= ELF::EF_AVR_ARCH_XMEGA2; 43 else if (Features[AVR::ELFArchXMEGA3]) 44 EFlags |= ELF::EF_AVR_ARCH_XMEGA3; 45 else if (Features[AVR::ELFArchXMEGA4]) 46 EFlags |= ELF::EF_AVR_ARCH_XMEGA4; 47 else if (Features[AVR::ELFArchXMEGA5]) 48 EFlags |= ELF::EF_AVR_ARCH_XMEGA5; 49 else if (Features[AVR::ELFArchXMEGA6]) 50 EFlags |= ELF::EF_AVR_ARCH_XMEGA6; 51 else if (Features[AVR::ELFArchXMEGA7]) 52 EFlags |= ELF::EF_AVR_ARCH_XMEGA7; 53 54 return EFlags; 55 } 56 AVRELFStreamer(MCStreamer & S,const MCSubtargetInfo & STI)57AVRELFStreamer::AVRELFStreamer(MCStreamer &S, const MCSubtargetInfo &STI) 58 : AVRTargetStreamer(S) { 59 60 MCAssembler &MCA = getStreamer().getAssembler(); 61 unsigned EFlags = MCA.getELFHeaderEFlags(); 62 63 EFlags |= getEFlagsForFeatureSet(STI.getFeatureBits()); 64 EFlags |= ELF::EF_AVR_LINKRELAX_PREPARED; 65 66 MCA.setELFHeaderEFlags(EFlags); 67 } 68 69 } // end namespace llvm 70