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23 
24 
25 package org.graalvm.compiler.hotspot.meta;
26 
27 import jdk.vm.ci.code.Register;
28 
29 public class HotSpotRegisters implements HotSpotRegistersProvider {
30 
31     private final Register threadRegister;
32     private final Register heapBaseRegister;
33     private final Register stackPointerRegister;
34 
HotSpotRegisters(Register threadRegister, Register heapBaseRegister, Register stackPointerRegister)35     public HotSpotRegisters(Register threadRegister, Register heapBaseRegister, Register stackPointerRegister) {
36         this.threadRegister = threadRegister;
37         this.heapBaseRegister = heapBaseRegister;
38         this.stackPointerRegister = stackPointerRegister;
39     }
40 
41     @Override
getThreadRegister()42     public Register getThreadRegister() {
43         assert !threadRegister.equals(Register.None) : "thread register is not defined";
44         return threadRegister;
45     }
46 
47     @Override
getHeapBaseRegister()48     public Register getHeapBaseRegister() {
49         assert !heapBaseRegister.equals(Register.None) : "heap base register is not defined";
50         return heapBaseRegister;
51     }
52 
53     @Override
getStackPointerRegister()54     public Register getStackPointerRegister() {
55         assert !stackPointerRegister.equals(Register.None) : "stack pointer register is not defined";
56         return stackPointerRegister;
57     }
58 }
59