1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000 1.2 +++ b/src/share/vm/oops/symbolKlass.hpp Sat Dec 01 00:00:00 2007 +0000 1.3 @@ -0,0 +1,74 @@ 1.4 +/* 1.5 + * Copyright 1997-2006 Sun Microsystems, Inc. All Rights Reserved. 1.6 + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 1.7 + * 1.8 + * This code is free software; you can redistribute it and/or modify it 1.9 + * under the terms of the GNU General Public License version 2 only, as 1.10 + * published by the Free Software Foundation. 1.11 + * 1.12 + * This code is distributed in the hope that it will be useful, but WITHOUT 1.13 + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 1.14 + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 1.15 + * version 2 for more details (a copy is included in the LICENSE file that 1.16 + * accompanied this code). 1.17 + * 1.18 + * You should have received a copy of the GNU General Public License version 1.19 + * 2 along with this work; if not, write to the Free Software Foundation, 1.20 + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 1.21 + * 1.22 + * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, 1.23 + * CA 95054 USA or visit www.sun.com if you need additional information or 1.24 + * have any questions. 1.25 + * 1.26 + */ 1.27 + 1.28 +// a symbolKlass is the klass for a symbolOop 1.29 + 1.30 +class symbolKlass : public Klass { 1.31 + friend class VMStructs; 1.32 + private: 1.33 + juint _alloc_size; // allocation profiling support 1.34 + public: 1.35 + // Allocation 1.36 + DEFINE_ALLOCATE_PERMANENT(symbolKlass); 1.37 + static klassOop create_klass(TRAPS); 1.38 + symbolOop allocate_symbol(u1* name, int len, TRAPS); // Assumes no characters larger than 0x7F 1.39 + bool allocate_symbols(int names_count, const char** names, int* lengths, symbolOop* sym_oops, TRAPS); 1.40 + 1.41 + // Test operation 1.42 + bool oop_is_symbol() const { return true; } 1.43 + 1.44 + // Casting from klassOop 1.45 + static symbolKlass* cast(klassOop k) { 1.46 + assert(k->klass_part()->oop_is_symbol(), "cast to symbolKlass"); 1.47 + return (symbolKlass*) k->klass_part(); 1.48 + } 1.49 + 1.50 + static int header_size() { return oopDesc::header_size() + sizeof(symbolKlass)/HeapWordSize; } 1.51 + int oop_size(oop obj) const; 1.52 + int klass_oop_size() const { return object_size(); } 1.53 + int object_size() const { return align_object_size(header_size()); } 1.54 + 1.55 + // Garbage collection 1.56 + void oop_follow_contents(oop obj); 1.57 + int oop_adjust_pointers(oop obj); 1.58 + bool oop_is_parsable(oop obj) const; 1.59 + 1.60 + // Parallel Scavenge and Parallel Old 1.61 + PARALLEL_GC_DECLS 1.62 + 1.63 + // Allocation profiling support 1.64 + juint alloc_size() const { return _alloc_size; } 1.65 + void set_alloc_size(juint n) { _alloc_size = n; } 1.66 + 1.67 + // Iterators 1.68 + int oop_oop_iterate(oop obj, OopClosure* blk); 1.69 + int oop_oop_iterate_m(oop obj, OopClosure* blk, MemRegion mr); 1.70 + 1.71 +#ifndef PRODUCT 1.72 + // Printing 1.73 + void oop_print_value_on(oop obj, outputStream* st); 1.74 + void oop_print_on(oop obj, outputStream* st); 1.75 +#endif 1.76 + const char* internal_name() const; 1.77 +};