486 int len = (int)strlen(name);
487 Symbol* sym = SymbolTable::lookup_only(name, len, hash);
488 if (sym == NULL) {
489 sym = SymbolTable::the_table()->do_add_if_needed(name, len, hash, false, CHECK_NULL);
490 }
491 if (!sym->is_permanent()) {
492 sym->make_permanent();
493 log_trace_symboltable_helper(sym, "Asked for a permanent symbol, but got a regular one");
494 }
495 return sym;
496 }
497
498 struct SizeFunc : StackObj {
499 size_t operator()(Symbol** value) {
500 assert(value != NULL, "expected valid value");
501 assert(*value != NULL, "value should point to a symbol");
502 return (*value)->size() * HeapWordSize;
503 };
504 };
505
506 void SymbolTable::print_table_statistics(outputStream* st,
507 const char* table_name) {
508 SizeFunc sz;
509 _local_table->statistics_to(Thread::current(), sz, st, table_name);
510 }
511
512 // Verification
513 class VerifySymbols : StackObj {
514 public:
515 bool operator()(Symbol** value) {
516 guarantee(value != NULL, "expected valid value");
517 guarantee(*value != NULL, "value should point to a symbol");
518 Symbol* sym = *value;
519 guarantee(sym->equals((const char*)sym->bytes(), sym->utf8_length()),
520 "symbol must be internally consistent");
521 return true;
522 };
523 };
524
525 void SymbolTable::verify() {
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486 int len = (int)strlen(name);
487 Symbol* sym = SymbolTable::lookup_only(name, len, hash);
488 if (sym == NULL) {
489 sym = SymbolTable::the_table()->do_add_if_needed(name, len, hash, false, CHECK_NULL);
490 }
491 if (!sym->is_permanent()) {
492 sym->make_permanent();
493 log_trace_symboltable_helper(sym, "Asked for a permanent symbol, but got a regular one");
494 }
495 return sym;
496 }
497
498 struct SizeFunc : StackObj {
499 size_t operator()(Symbol** value) {
500 assert(value != NULL, "expected valid value");
501 assert(*value != NULL, "value should point to a symbol");
502 return (*value)->size() * HeapWordSize;
503 };
504 };
505
506 TableStatistics SymbolTable::get_table_statistics() {
507 SizeFunc sz;
508 return _local_table->statistics_calculate(Thread::current(), sz);
509 }
510
511 void SymbolTable::print_table_statistics(outputStream* st,
512 const char* table_name) {
513 SizeFunc sz;
514 _local_table->statistics_to(Thread::current(), sz, st, table_name);
515 }
516
517 // Verification
518 class VerifySymbols : StackObj {
519 public:
520 bool operator()(Symbol** value) {
521 guarantee(value != NULL, "expected valid value");
522 guarantee(*value != NULL, "value should point to a symbol");
523 Symbol* sym = *value;
524 guarantee(sym->equals((const char*)sym->bytes(), sym->utf8_length()),
525 "symbol must be internally consistent");
526 return true;
527 };
528 };
529
530 void SymbolTable::verify() {
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