hotspot/src/cpu/zero/vm/registerMap_zero.hpp
author jiangli
Wed, 06 Jun 2012 14:33:43 -0400
changeset 12937 0032fb2caff6
parent 7397 5b173b4ca846
permissions -rw-r--r--
7172967: Eliminate constMethod's _method backpointer to methodOop. Summary: Eliminate constMethod's _method backpointer to methodOop, and move the _constant field from methodOop to constMethod. Reviewed-by: roland, bdelsart, kamg

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#ifndef CPU_ZERO_VM_REGISTERMAP_ZERO_HPP
#define CPU_ZERO_VM_REGISTERMAP_ZERO_HPP

  // machine-dependent implemention 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.
  // See registerMap_sparc.hpp for an example of grabbing registers
  // from register save areas of a standard layout.
  address pd_location(VMReg reg) const { return NULL; }

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

#endif // CPU_ZERO_VM_REGISTERMAP_ZERO_HPP