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comparison c1x4hotspotsrc/HotSpotVM/src/com/sun/hotspot/c1x/HotSpotField.java @ 2057:89bf01e6b049

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Treat C1XOptions fields as final.
author Thomas Wuerthinger <wuerthinger@ssw.jku.at>
date Fri, 14 Jan 2011 16:29:42 +0100
parents 99ad52189524
children f21664b3dd1c 569d3fe7d65c
comparison
equal deleted inserted replaced
2056:b7f06f504206 2057:89bf01e6b049
19 * Company, Ltd. 19 * Company, Ltd.
20 */ 20 */
21 21
22 package com.sun.hotspot.c1x; 22 package com.sun.hotspot.c1x;
23 23
24 import java.lang.reflect.*;
25
26 import com.sun.c1x.*;
24 import com.sun.cri.ci.CiConstant; 27 import com.sun.cri.ci.CiConstant;
25 import com.sun.cri.ci.CiKind; 28 import com.sun.cri.ci.CiKind;
26 import com.sun.cri.ri.RiField; 29 import com.sun.cri.ri.RiField;
27 import com.sun.cri.ri.RiType; 30 import com.sun.cri.ri.RiType;
28 31
53 } 56 }
54 57
55 @Override 58 @Override
56 public CiConstant constantValue(Object object) { 59 public CiConstant constantValue(Object object) {
57 if (object == null) { 60 if (object == null) {
61 if (constant == null && holder.isResolved() && holder.javaClass() == C1XOptions.class) {
62 Field f;
63 try {
64 f = C1XOptions.class.getField(name);
65 } catch (SecurityException e1) {
66 return null;
67 } catch (NoSuchFieldException e1) {
68 return null;
69 }
70 f.setAccessible(true);
71 if (Modifier.isStatic(f.getModifiers())) {
72 CiKind kind = CiKind.fromJavaClass(f.getType());
73 Object value;
74 try {
75 value = f.get(null);
76 } catch (IllegalArgumentException e) {
77 return null;
78 } catch (IllegalAccessException e) {
79 return null;
80 }
81 constant = CiConstant.forBoxed(kind, value);
82 }
83 }
84
58 // Constant part only valid for static fields. 85 // Constant part only valid for static fields.
59 return constant; 86 return constant;
60 } 87 }
61 return null; 88 return null;
62 } 89 }