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comparison agent/src/share/classes/sun/jvm/hotspot/utilities/ConstantTag.java @ 8104:f16e75e0cf11

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8000797: NPG: is_pseudo_string_at() doesn't work Summary: Zero Symbol* for constant pool strings to indicate pseudo_strings (objects that aren't strings). Clean up JVM_CONSTANT_Object and unused flags. Reviewed-by: sspitsyn, jrose
author coleenp
date Fri, 22 Feb 2013 08:36:42 -0500
parents da91efe96a93
children
comparison
equal deleted inserted replaced
8103:5ed317b25e23 8104:f16e75e0cf11
1 /* 1 /*
2 * Copyright (c) 2001, 2012, Oracle and/or its affiliates. All rights reserved. 2 * Copyright (c) 2001, 2013, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 * 4 *
5 * This code is free software; you can redistribute it and/or modify it 5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as 6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation. 7 * published by the Free Software Foundation.
49 private static final int JVM_CONSTANT_ClassIndex = 101; // Temporary tag while constructing constant pool 49 private static final int JVM_CONSTANT_ClassIndex = 101; // Temporary tag while constructing constant pool
50 private static final int JVM_CONSTANT_StringIndex = 102; // Temporary tag while constructing constant pool 50 private static final int JVM_CONSTANT_StringIndex = 102; // Temporary tag while constructing constant pool
51 private static final int JVM_CONSTANT_UnresolvedClassInError = 103; // Resolution failed 51 private static final int JVM_CONSTANT_UnresolvedClassInError = 103; // Resolution failed
52 private static final int JVM_CONSTANT_MethodHandleInError = 104; // Error tag due to resolution error 52 private static final int JVM_CONSTANT_MethodHandleInError = 104; // Error tag due to resolution error
53 private static final int JVM_CONSTANT_MethodTypeInError = 105; // Error tag due to resolution error 53 private static final int JVM_CONSTANT_MethodTypeInError = 105; // Error tag due to resolution error
54 private static final int JVM_CONSTANT_Object = 106; // Required for BoundMethodHandle arguments.
55 54
56 // JVM_CONSTANT_MethodHandle subtypes //FIXME: connect these to data structure 55 // JVM_CONSTANT_MethodHandle subtypes //FIXME: connect these to data structure
57 private static int JVM_REF_getField = 1; 56 private static int JVM_REF_getField = 1;
58 private static int JVM_REF_getStatic = 2; 57 private static int JVM_REF_getStatic = 2;
59 private static int JVM_REF_putField = 3; 58 private static int JVM_REF_putField = 3;
94 } 93 }
95 public boolean isUnresolveKlassInError() { return tag == JVM_CONSTANT_UnresolvedClassInError; } 94 public boolean isUnresolveKlassInError() { return tag == JVM_CONSTANT_UnresolvedClassInError; }
96 public boolean isKlassIndex() { return tag == JVM_CONSTANT_ClassIndex; } 95 public boolean isKlassIndex() { return tag == JVM_CONSTANT_ClassIndex; }
97 public boolean isStringIndex() { return tag == JVM_CONSTANT_StringIndex; } 96 public boolean isStringIndex() { return tag == JVM_CONSTANT_StringIndex; }
98 97
99 public boolean isObject() { return tag == JVM_CONSTANT_Object; }
100
101 public boolean isKlassReference() { return isKlassIndex() || isUnresolvedKlass(); } 98 public boolean isKlassReference() { return isKlassIndex() || isUnresolvedKlass(); }
102 public boolean isFieldOrMethod() { return isField() || isMethod() || isInterfaceMethod(); } 99 public boolean isFieldOrMethod() { return isField() || isMethod() || isInterfaceMethod(); }
103 public boolean isSymbol() { return isUtf8(); } 100 public boolean isSymbol() { return isUtf8(); }
104 101
105 public BasicType basicType() { 102 public BasicType basicType() {
121 case JVM_CONSTANT_MethodTypeInError : 118 case JVM_CONSTANT_MethodTypeInError :
122 case JVM_CONSTANT_ClassIndex : 119 case JVM_CONSTANT_ClassIndex :
123 case JVM_CONSTANT_StringIndex : 120 case JVM_CONSTANT_StringIndex :
124 case JVM_CONSTANT_MethodHandle : 121 case JVM_CONSTANT_MethodHandle :
125 case JVM_CONSTANT_MethodType : 122 case JVM_CONSTANT_MethodType :
126 case JVM_CONSTANT_Object :
127 return BasicType.T_OBJECT; 123 return BasicType.T_OBJECT;
128 default: 124 default:
129 throw new InternalError("unexpected tag: " + tag); 125 throw new InternalError("unexpected tag: " + tag);
130 } 126 }
131 } 127 }