#include "PPCMCAsmInfo.h"
#include "PPCTargetStreamer.h"
#include "llvm/MC/MCCodeGenInfo.h"
+#include "llvm/MC/MCELF.h"
#include "llvm/MC/MCELFStreamer.h"
+#include "llvm/MC/MCExpr.h"
#include "llvm/MC/MCInstrInfo.h"
#include "llvm/MC/MCRegisterInfo.h"
#include "llvm/MC/MCStreamer.h"
virtual void emitAbiVersion(int AbiVersion) override {
OS << "\t.abiversion " << AbiVersion << '\n';
}
+ virtual void emitLocalEntry(MCSymbol *S, const MCExpr *LocalOffset) {
+ OS << "\t.localentry\t" << *S << ", " << *LocalOffset << '\n';
+ }
};
class PPCTargetELFStreamer : public PPCTargetStreamer {
Flags |= (AbiVersion & ELF::EF_PPC64_ABI);
MCA.setELFHeaderEFlags(Flags);
}
+ virtual void emitLocalEntry(MCSymbol *S, const MCExpr *LocalOffset) {
+ MCAssembler &MCA = getStreamer().getAssembler();
+ MCSymbolData &Data = getStreamer().getOrCreateSymbolData(S);
+
+ int64_t Res;
+ if (!LocalOffset->EvaluateAsAbsolute(Res, MCA))
+ report_fatal_error(".localentry expression must be absolute.");
+
+ unsigned Encoded = ELF::encodePPC64LocalEntryOffset(Res);
+ if (Res != ELF::decodePPC64LocalEntryOffset(Encoded))
+ report_fatal_error(".localentry expression cannot be encoded.");
+
+ // The "other" values are stored in the last 6 bits of the second byte.
+ // The traditional defines for STO values assume the full byte and thus
+ // the shift to pack it.
+ unsigned Other = MCELF::getOther(Data) << 2;
+ Other &= ~ELF::STO_PPC64_LOCAL_MASK;
+ Other |= Encoded;
+ MCELF::setOther(Data, Other >> 2);
+
+ // For GAS compatibility, unless we already saw a .abiversion directive,
+ // set e_flags to indicate ELFv2 ABI.
+ unsigned Flags = MCA.getELFHeaderEFlags();
+ if ((Flags & ELF::EF_PPC64_ABI) == 0)
+ MCA.setELFHeaderEFlags(Flags | 2);
+ }
};
class PPCTargetMachOStreamer : public PPCTargetStreamer {
virtual void emitAbiVersion(int AbiVersion) override {
llvm_unreachable("Unknown pseudo-op: .abiversion");
}
+ virtual void emitLocalEntry(MCSymbol *S, const MCExpr *LocalOffset) {
+ llvm_unreachable("Unknown pseudo-op: .localentry");
+ }
};
}