src/hotspot/cpu/zero/registerMap_zero.hpp

/*
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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#ifndef CPU_ZERO_REGISTERMAP_ZERO_HPP
#define CPU_ZERO_REGISTERMAP_ZERO_HPP

  // machine-dependent implementation for register maps
  friend class frame;

 private:
  // This is the hook for finding a register in an "well-known" location,
  // such as a register block of a predetermined format.
  // Since there is none, we just return null.
  address pd_location(VMReg reg) const { return nullptr; }

  address pd_location(VMReg base_reg, int slot_idx) const {
    return location(base_reg->next(slot_idx), nullptr);
  }

  // no PD state to clear or copy:
  void pd_clear() {}
  void pd_initialize() {}
  void pd_initialize_from(const RegisterMap* map) {}

#endif // CPU_ZERO_REGISTERMAP_ZERO_HPP