Mercurial > hg > graal-compiler
view src/share/vm/oops/arrayKlass.hpp @ 1438:a7a0ef3c6858
Added timing printout on VM shutdown.
author | Thomas Wuerthinger <wuerthinger@ssw.jku.at> |
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date | Mon, 25 Oct 2010 18:35:34 +0200 |
parents | 4ce7240d622c |
children | c18cbe5936b8 |
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/* * Copyright 1997-2007 Sun Microsystems, Inc. All Rights Reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, * CA 95054 USA or visit www.sun.com if you need additional information or * have any questions. * */ // arrayKlass is the abstract baseclass for all array classes class arrayKlass: public Klass { friend class VMStructs; private: int _dimension; // This is n'th-dimensional array. klassOop _higher_dimension; // Refers the (n+1)'th-dimensional array (if present). klassOop _lower_dimension; // Refers the (n-1)'th-dimensional array (if present). int _vtable_len; // size of vtable for this klass juint _alloc_size; // allocation profiling support oop _component_mirror; // component type, as a java/lang/Class public: // Testing operation bool oop_is_array() const { return true; } // Instance variables int dimension() const { return _dimension; } void set_dimension(int dimension) { _dimension = dimension; } klassOop higher_dimension() const { return _higher_dimension; } void set_higher_dimension(klassOop k) { oop_store_without_check((oop*) &_higher_dimension, (oop) k); } oop* adr_higher_dimension() { return (oop*)&this->_higher_dimension;} klassOop lower_dimension() const { return _lower_dimension; } void set_lower_dimension(klassOop k) { oop_store_without_check((oop*) &_lower_dimension, (oop) k); } oop* adr_lower_dimension() { return (oop*)&this->_lower_dimension;} // Allocation profiling support juint alloc_size() const { return _alloc_size; } void set_alloc_size(juint n) { _alloc_size = n; } // offset of first element, including any padding for the sake of alignment int array_header_in_bytes() const { return layout_helper_header_size(layout_helper()); } int log2_element_size() const { return layout_helper_log2_element_size(layout_helper()); } // type of elements (T_OBJECT for both oop arrays and array-arrays) BasicType element_type() const { return layout_helper_element_type(layout_helper()); } oop component_mirror() const { return _component_mirror; } void set_component_mirror(oop m) { oop_store((oop*) &_component_mirror, m); } oop* adr_component_mirror() { return (oop*)&this->_component_mirror;} // Compiler/Interpreter offset static ByteSize component_mirror_offset() { return byte_offset_of(arrayKlass, _component_mirror); } virtual klassOop java_super() const;//{ return SystemDictionary::Object_klass(); } // Allocation // Sizes points to the first dimension of the array, subsequent dimensions // are always in higher memory. The callers of these set that up. virtual oop multi_allocate(int rank, jint* sizes, TRAPS); objArrayOop allocate_arrayArray(int n, int length, TRAPS); // Lookup operations methodOop uncached_lookup_method(symbolOop name, symbolOop signature) const; // Casting from klassOop static arrayKlass* cast(klassOop k) { Klass* kp = k->klass_part(); assert(kp->null_vtbl() || kp->oop_is_array(), "cast to arrayKlass"); return (arrayKlass*) kp; } objArrayOop compute_secondary_supers(int num_extra_slots, TRAPS); bool compute_is_subtype_of(klassOop k); // Sizing static int header_size() { return oopDesc::header_size() + sizeof(arrayKlass)/HeapWordSize; } int object_size(int header_size) const; bool object_is_parsable() const { return _vtable_len > 0; } // Java vtable klassVtable* vtable() const; // return new klassVtable int vtable_length() const { return _vtable_len; } static int base_vtable_length() { return Universe::base_vtable_size(); } void set_vtable_length(int len) { assert(len == base_vtable_length(), "bad length"); _vtable_len = len; } protected: inline intptr_t* start_of_vtable() const; public: // Iterators void array_klasses_do(void f(klassOop k)); void with_array_klasses_do(void f(klassOop k)); // Shared creation method static arrayKlassHandle base_create_array_klass( const Klass_vtbl& vtbl, int header_size, KlassHandle klass, TRAPS); // Return a handle. static void complete_create_array_klass(arrayKlassHandle k, KlassHandle super_klass, TRAPS); public: // jvm support jint compute_modifier_flags(TRAPS) const; public: // JVMTI support jint jvmti_class_status() const; #ifndef PRODUCT public: // Printing void oop_print_on(oop obj, outputStream* st); #endif public: // Verification void oop_verify_on(oop obj, outputStream* st); };