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comparison agent/src/share/classes/sun/jvm/hotspot/oops/OopUtilities.java @ 3939:f6f3bb0ee072

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7088955: add C2 IR support to the SA Reviewed-by: kvn
author never
date Sun, 11 Sep 2011 14:48:24 -0700
parents 63997f575155
children cfa2c82f4c04
comparison
equal deleted inserted replaced
3938:e6b1331a51d2 3939:f6f3bb0ee072
110 buf.append(charArray.getCharAt(i)); 110 buf.append(charArray.getCharAt(i));
111 } 111 }
112 return buf.toString(); 112 return buf.toString();
113 } 113 }
114 114
115 public static String escapeString(String s) {
116 StringBuilder sb = null;
117 for (int index = 0; index < s.length(); index++) {
118 char value = s.charAt(index);
119 if (value >= 32 && value < 127 || value == '\'' || value == '\\') {
120 if (sb != null) {
121 sb.append(value);
122 }
123 } else {
124 if (sb == null) {
125 sb = new StringBuilder(s.length() * 2);
126 sb.append(s, 0, index);
127 }
128 sb.append("\\u");
129 if (value < 0x10) sb.append("000");
130 else if (value < 0x100) sb.append("00");
131 else if (value < 0x1000) sb.append("0");
132 sb.append(Integer.toHexString(value));
133 }
134 }
135 if (sb != null) {
136 return sb.toString();
137 }
138 return s;
139 }
140
115 public static String stringOopToString(Oop stringOop) { 141 public static String stringOopToString(Oop stringOop) {
116 if (offsetField == null) { 142 if (offsetField == null) {
117 InstanceKlass k = (InstanceKlass) stringOop.getKlass(); 143 InstanceKlass k = (InstanceKlass) stringOop.getKlass();
118 offsetField = (IntField) k.findField("offset", "I"); 144 offsetField = (IntField) k.findField("offset", "I");
119 countField = (IntField) k.findField("count", "I"); 145 countField = (IntField) k.findField("count", "I");
125 } 151 }
126 } 152 }
127 return charArrayToString((TypeArray) valueField.getValue(stringOop), 153 return charArrayToString((TypeArray) valueField.getValue(stringOop),
128 offsetField.getValue(stringOop), 154 offsetField.getValue(stringOop),
129 countField.getValue(stringOop)); 155 countField.getValue(stringOop));
156 }
157
158 public static String stringOopToEscapedString(Oop stringOop) {
159 return escapeString(stringOopToString(stringOop));
130 } 160 }
131 161
132 private static void initThreadGroupFields() { 162 private static void initThreadGroupFields() {
133 if (threadGroupParentField == null) { 163 if (threadGroupParentField == null) {
134 SystemDictionary sysDict = VM.getVM().getSystemDictionary(); 164 SystemDictionary sysDict = VM.getVM().getSystemDictionary();