Mercurial > jdk8-mips64-public > hotspot / file comparison
comparison: src/share/vm/classfile/javaClasses.hpp
src/share/vm/classfile/javaClasses.hpp
- changeset 2700
- 352622fd140a
- parent 2658
- c7f3d0b4570f
- child 2804
- 01147d8aac1d
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| 2698:38fea01eb669 | 2700:352622fd140a |
|---|---|
| 106 static char* as_utf8_string(oop java_string); | 106 static char* as_utf8_string(oop java_string); |
| 107 static char* as_utf8_string(oop java_string, char* buf, int buflen); | 107 static char* as_utf8_string(oop java_string, char* buf, int buflen); |
| 108 static char* as_utf8_string(oop java_string, int start, int len); | 108 static char* as_utf8_string(oop java_string, int start, int len); |
| 109 static char* as_platform_dependent_str(Handle java_string, TRAPS); | 109 static char* as_platform_dependent_str(Handle java_string, TRAPS); |
| 110 static jchar* as_unicode_string(oop java_string, int& length); | 110 static jchar* as_unicode_string(oop java_string, int& length); |
| 111 | |
| 112 // Compute the hash value for a java.lang.String object which would | |
| 113 // contain the characters passed in. This hash value is used for at | |
| 114 // least two purposes. | |
| 115 // | |
| 116 // (a) As the hash value used by the StringTable for bucket selection | |
| 117 // and comparison (stored in the HashtableEntry structures). This | |
| 118 // is used in the String.intern() method. | |
| 119 // | |
| 120 // (b) As the hash value used by the String object itself, in | |
| 121 // String.hashCode(). This value is normally calculate in Java code | |
| 122 // in the String.hashCode method(), but is precomputed for String | |
| 123 // objects in the shared archive file. | |
| 124 // | |
| 125 // For this reason, THIS ALGORITHM MUST MATCH String.hashCode(). | |
| 126 static unsigned int hash_string(jchar* s, int len) { | |
| 127 unsigned int h = 0; | |
| 128 while (len-- > 0) { | |
| 129 h = 31*h + (unsigned int) *s; | |
| 130 s++; | |
| 131 } | |
| 132 return h; | |
| 133 } | |
| 134 static unsigned int hash_string(oop java_string); | |
| 111 | 135 |
| 112 static bool equals(oop java_string, jchar* chars, int len); | 136 static bool equals(oop java_string, jchar* chars, int len); |
| 113 | 137 |
| 114 // Conversion between '.' and '/' formats | 138 // Conversion between '.' and '/' formats |
| 115 static Handle externalize_classname(Handle java_string, TRAPS) { return char_converter(java_string, '/', '.', THREAD); } | 139 static Handle externalize_classname(Handle java_string, TRAPS) { return char_converter(java_string, '/', '.', THREAD); } |
