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comparison c1x4hotspotsrc/HotSpotVM/src/com/sun/hotspot/c1x/HotSpotConstantPool.java @ 1434:72cfb36c6bb2

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* enabled all jtt tests * added proxy that counts jni calls * honor hotspot stackshadowpages * constant pool caching * monitor enter/exit * arithmetic stubs (frem, drem, ...) * create stack values for debug info * some doc
author Lukas Stadler <lukas.stadler@oracle.com>
date Thu, 30 Sep 2010 17:19:48 -0700
parents 760213a60e8b
children 9e5e83ca2259
comparison
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1433:efba53f86c4f 1434:72cfb36c6bb2
15 * 15 *
16 * UNIX is a registered trademark in the U.S. and other countries, exclusively licensed through X/Open Company, Ltd. 16 * UNIX is a registered trademark in the U.S. and other countries, exclusively licensed through X/Open Company, Ltd.
17 */ 17 */
18 package com.sun.hotspot.c1x; 18 package com.sun.hotspot.c1x;
19 19
20 import java.util.*;
21
20 import com.sun.cri.ci.*; 22 import com.sun.cri.ci.*;
21 import com.sun.cri.ri.*; 23 import com.sun.cri.ri.*;
22 24
23 /** 25 /**
24 * Implementation of RiConstantPool for HotSpot. 26 * Implementation of RiConstantPool for HotSpot.
26 * @author Thomas Wuerthinger, Lukas Stadler 28 * @author Thomas Wuerthinger, Lukas Stadler
27 */ 29 */
28 public class HotSpotConstantPool implements RiConstantPool, CompilerObject { 30 public class HotSpotConstantPool implements RiConstantPool, CompilerObject {
29 31
30 long vmId; 32 long vmId;
33 HashMap<Integer, Object> cache = new HashMap<Integer, Object>();
31 34
32 public HotSpotConstantPool(long vmId) { 35 public HotSpotConstantPool(long vmId) {
33 this.vmId = vmId; 36 this.vmId = vmId;
34 } 37 }
35 38
39 return CiConstant.forObject(vmId); 42 return CiConstant.forObject(vmId);
40 } 43 }
41 44
42 @Override 45 @Override
43 public Object lookupConstant(int cpi) { 46 public Object lookupConstant(int cpi) {
44 return Compiler.getVMEntries().RiConstantPool_lookupConstant(vmId, cpi); 47 Object value = cache.get(cpi);
48 if (value == null) {
49 value = Compiler.getVMEntries().RiConstantPool_lookupConstant(vmId, cpi);
50 cache.put(cpi, value);
51 }
52 return value;
45 } 53 }
46 54
47 @Override 55 @Override
48 public RiMethod lookupMethod(int cpi, int byteCode) { 56 public RiMethod lookupMethod(int cpi, int byteCode) {
49 return Compiler.getVMEntries().RiConstantPool_lookupMethod(vmId, cpi, (byte) byteCode); 57 RiMethod value = (RiMethod) cache.get(cpi);
58 if (value == null) {
59 value = Compiler.getVMEntries().RiConstantPool_lookupMethod(vmId, cpi, (byte) byteCode);
60 cache.put(cpi, value);
61 }
62 return value;
50 } 63 }
51 64
52 @Override 65 @Override
53 public RiSignature lookupSignature(int cpi) { 66 public RiSignature lookupSignature(int cpi) {
54 return Compiler.getVMEntries().RiConstantPool_lookupSignature(vmId, cpi); 67 RiSignature value = (RiSignature) cache.get(cpi);
68 if (value == null) {
69 value = Compiler.getVMEntries().RiConstantPool_lookupSignature(vmId, cpi);
70 cache.put(cpi, value);
71 }
72 return value;
55 } 73 }
56 74
57 @Override 75 @Override
58 public RiType lookupType(int cpi, int opcode) { 76 public RiType lookupType(int cpi, int opcode) {
59 return Compiler.getVMEntries().RiConstantPool_lookupType(vmId, cpi); 77 RiType value = (RiType) cache.get(cpi);
78 if (value == null) {
79 value = Compiler.getVMEntries().RiConstantPool_lookupType(vmId, cpi);
80 cache.put(cpi, value);
81 }
82 return value;
60 } 83 }
61 84
62 @Override 85 @Override
63 public RiField lookupField(int cpi, int opcode) { 86 public RiField lookupField(int cpi, int opcode) {
64 return Compiler.getVMEntries().RiConstantPool_lookupField(vmId, cpi); 87 RiField value = (RiField) cache.get(cpi);
88 if (value == null) {
89 value = Compiler.getVMEntries().RiConstantPool_lookupField(vmId, cpi);
90 cache.put(cpi, value);
91 }
92 return value;
65 } 93 }
66 94
67 } 95 }