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src/hotspot/cpu/zero/registerMap_zero.hpp

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18  *
19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20  * or visit www.oracle.com if you need additional information or have any
21  * questions.
22  *
23  */
24 
25 #ifndef CPU_ZERO_REGISTERMAP_ZERO_HPP
26 #define CPU_ZERO_REGISTERMAP_ZERO_HPP
27 
28   // machine-dependent implemention for register maps
29   friend class frame;
30 
31  private:
32   // This is the hook for finding a register in an "well-known" location,
33   // such as a register block of a predetermined format.
34   // Since there is none, we just return NULL.
35   address pd_location(VMReg reg) const { return NULL; }
36 
37   address pd_location(VMReg base_reg, int slot_idx) const {
38     return location(base_reg->next(slot_idx));
39   }
40 
41   // no PD state to clear or copy:
42   void pd_clear() {}
43   void pd_initialize() {}
44   void pd_initialize_from(const RegisterMap* map) {}
45 
46 #endif // CPU_ZERO_REGISTERMAP_ZERO_HPP

18  *
19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20  * or visit www.oracle.com if you need additional information or have any
21  * questions.
22  *
23  */
24 
25 #ifndef CPU_ZERO_REGISTERMAP_ZERO_HPP
26 #define CPU_ZERO_REGISTERMAP_ZERO_HPP
27 
28   // machine-dependent implemention for register maps
29   friend class frame;
30 
31  private:
32   // This is the hook for finding a register in an "well-known" location,
33   // such as a register block of a predetermined format.
34   // Since there is none, we just return NULL.
35   address pd_location(VMReg reg) const { return NULL; }
36 
37   address pd_location(VMReg base_reg, int slot_idx) const {
38     return location(base_reg->next(slot_idx), (intptr_t*) NULL);
39   }
40 
41   // no PD state to clear or copy:
42   void pd_clear() {}
43   void pd_initialize() {}
44   void pd_initialize_from(const RegisterMap* map) {}
45 
46 #endif // CPU_ZERO_REGISTERMAP_ZERO_HPP
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