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comparison src/share/vm/classfile/symbolTable.hpp @ 2378:924777755fad

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6962930: make the string table size configurable Reviewed-by: never, phh, stefank, kamg, dholmes, coleenp
author jcoomes
date Mon, 21 Mar 2011 18:38:00 -0700
parents 3582bf76420e
children 352622fd140a
comparison
equal deleted inserted replaced
2377:57552dca1708 2378:924777755fad
214 214
215 static oop intern(Handle string_or_null, jchar* chars, int length, TRAPS); 215 static oop intern(Handle string_or_null, jchar* chars, int length, TRAPS);
216 oop basic_add(int index, Handle string_or_null, jchar* name, int len, 216 oop basic_add(int index, Handle string_or_null, jchar* name, int len,
217 unsigned int hashValue, TRAPS); 217 unsigned int hashValue, TRAPS);
218 218
219 // Table size
220 enum {
221 string_table_size = 1009
222 };
223
224 oop lookup(int index, jchar* chars, int length, unsigned int hashValue); 219 oop lookup(int index, jchar* chars, int length, unsigned int hashValue);
225 220
226 StringTable() : Hashtable<oop>(string_table_size, sizeof (HashtableEntry<oop>)) {} 221 StringTable() : Hashtable<oop>((int)StringTableSize,
222 sizeof (HashtableEntry<oop>)) {}
227 223
228 StringTable(HashtableBucket* t, int number_of_entries) 224 StringTable(HashtableBucket* t, int number_of_entries)
229 : Hashtable<oop>(string_table_size, sizeof (HashtableEntry<oop>), t, 225 : Hashtable<oop>((int)StringTableSize, sizeof (HashtableEntry<oop>), t,
230 number_of_entries) {} 226 number_of_entries) {}
231 227
232 public: 228 public:
233 // The string table 229 // The string table
234 static StringTable* the_table() { return _the_table; } 230 static StringTable* the_table() { return _the_table; }
235 231
239 } 235 }
240 236
241 static void create_table(HashtableBucket* t, int length, 237 static void create_table(HashtableBucket* t, int length,
242 int number_of_entries) { 238 int number_of_entries) {
243 assert(_the_table == NULL, "One string table allowed."); 239 assert(_the_table == NULL, "One string table allowed.");
244 assert(length == string_table_size * sizeof(HashtableBucket), 240 assert((size_t)length == StringTableSize * sizeof(HashtableBucket),
245 "bad shared string size."); 241 "bad shared string size.");
246 _the_table = new StringTable(t, number_of_entries); 242 _the_table = new StringTable(t, number_of_entries);
247 } 243 }
248 244
249 static int hash_string(jchar* s, int len); 245 static int hash_string(jchar* s, int len);