1 /*
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3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
12  * version 2 for more details (a copy is included in the LICENSE file that
13  * accompanied this code).
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24 
25 package sun.jvm.hotspot.oops;
26 
27 import java.io.*;
28 import java.util.*;
29 import sun.jvm.hotspot.debugger.*;
30 import sun.jvm.hotspot.runtime.*;
31 import sun.jvm.hotspot.types.*;
32 import sun.jvm.hotspot.utilities.*;
33 
34 // ParametersTypeData
35 //
36 // A ParametersTypeData is used to access profiling information about
37 // types of parameters to a method
38 public class ParametersTypeData<K,M> extends ArrayData {
39   final TypeStackSlotEntries<K,M> parameters;
40 
stackSlotLocalOffset(int i)41   static int stackSlotLocalOffset(int i) {
42     return arrayStartOffSet + TypeStackSlotEntries.stackSlotLocalOffset(i);
43   }
44 
typeLocalOffset(int i)45   static int typeLocalOffset(int i) {
46     return arrayStartOffSet + TypeStackSlotEntries.typeLocalOffset(i);
47   }
48 
ParametersTypeData(MethodDataInterface<K,M> methodData, DataLayout layout)49   public ParametersTypeData(MethodDataInterface<K,M> methodData, DataLayout layout) {
50     super(layout);
51     parameters = new TypeStackSlotEntries<K,M>(methodData, this, 1, numberOfParameters());
52   }
53 
numberOfParameters()54   public int numberOfParameters() {
55     return arrayLen() / TypeStackSlotEntries.perArgCount();
56   }
57 
stackSlot(int i)58   int stackSlot(int i) {
59     return parameters.stackSlot(i);
60   }
61 
type(int i)62   public K type(int i) {
63     return parameters.type(i);
64   }
65 
typeIndex(int i)66   static public int typeIndex(int i) {
67     return typeLocalOffset(i);
68   }
69 
printDataOn(PrintStream st)70   public void printDataOn(PrintStream st) {
71     st.print("parameter types");
72     parameters.printDataOn(st);
73   }
74 }
75