Mercurial > hg > graal-compiler
view src/share/vm/oops/objArrayKlass.hpp @ 3641:a8021a9f2a14
Fixed a problem when looking up class constants.
author | Thomas Wuerthinger <thomas.wuerthinger@oracle.com> |
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date | Wed, 16 Nov 2011 13:56:32 +0100 |
parents | f95d63e2154a |
children | 069ab3f976d3 |
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/* * Copyright (c) 1997, 2010, Oracle and/or its affiliates. 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. * */ #ifndef SHARE_VM_OOPS_OBJARRAYKLASS_HPP #define SHARE_VM_OOPS_OBJARRAYKLASS_HPP #include "memory/specialized_oop_closures.hpp" #include "oops/arrayKlass.hpp" #include "oops/instanceKlass.hpp" // objArrayKlass is the klass for objArrays class objArrayKlass : public arrayKlass { friend class VMStructs; private: klassOop _element_klass; // The klass of the elements of this array type klassOop _bottom_klass; // The one-dimensional type (instanceKlass or typeArrayKlass) public: // Instance variables klassOop element_klass() const { return _element_klass; } void set_element_klass(klassOop k) { oop_store_without_check((oop*) &_element_klass, (oop) k); } oop* element_klass_addr() { return (oop*)&_element_klass; } klassOop bottom_klass() const { return _bottom_klass; } void set_bottom_klass(klassOop k) { oop_store_without_check((oop*) &_bottom_klass, (oop) k); } oop* bottom_klass_addr() { return (oop*)&_bottom_klass; } // Compiler/Interpreter offset static int element_klass_offset_in_bytes() { return offset_of(objArrayKlass, _element_klass); } // Dispatched operation bool can_be_primary_super_slow() const; objArrayOop compute_secondary_supers(int num_extra_slots, TRAPS); bool compute_is_subtype_of(klassOop k); bool oop_is_objArray_slow() const { return true; } int oop_size(oop obj) const; int klass_oop_size() const { return object_size(); } // Allocation DEFINE_ALLOCATE_PERMANENT(objArrayKlass); objArrayOop allocate(int length, TRAPS); oop multi_allocate(int rank, jint* sizes, TRAPS); // Copying void copy_array(arrayOop s, int src_pos, arrayOop d, int dst_pos, int length, TRAPS); // Compute protection domain oop protection_domain() { return Klass::cast(bottom_klass())->protection_domain(); } // Compute class loader oop class_loader() const { return Klass::cast(bottom_klass())->class_loader(); } private: // Either oop or narrowOop depending on UseCompressedOops. // must be called from within objArrayKlass.cpp template <class T> void do_copy(arrayOop s, T* src, arrayOop d, T* dst, int length, TRAPS); protected: // Returns the objArrayKlass for n'th dimension. virtual klassOop array_klass_impl(bool or_null, int n, TRAPS); // Returns the array class with this class as element type. virtual klassOop array_klass_impl(bool or_null, TRAPS); public: // Casting from klassOop static objArrayKlass* cast(klassOop k) { assert(k->klass_part()->oop_is_objArray_slow(), "cast to objArrayKlass"); return (objArrayKlass*) k->klass_part(); } // Sizing static int header_size() { return oopDesc::header_size() + sizeof(objArrayKlass)/HeapWordSize; } int object_size() const { return arrayKlass::object_size(header_size()); } // Initialization (virtual from Klass) void initialize(TRAPS); // Garbage collection void oop_follow_contents(oop obj); inline void oop_follow_contents(oop obj, int index); template <class T> inline void objarray_follow_contents(oop obj, int index); int oop_adjust_pointers(oop obj); // Parallel Scavenge and Parallel Old PARALLEL_GC_DECLS #ifndef SERIALGC inline void oop_follow_contents(ParCompactionManager* cm, oop obj, int index); template <class T> inline void objarray_follow_contents(ParCompactionManager* cm, oop obj, int index); #endif // !SERIALGC // Iterators int oop_oop_iterate(oop obj, OopClosure* blk) { return oop_oop_iterate_v(obj, blk); } int oop_oop_iterate_m(oop obj, OopClosure* blk, MemRegion mr) { return oop_oop_iterate_v_m(obj, blk, mr); } #define ObjArrayKlass_OOP_OOP_ITERATE_DECL(OopClosureType, nv_suffix) \ int oop_oop_iterate##nv_suffix(oop obj, OopClosureType* blk); \ int oop_oop_iterate##nv_suffix##_m(oop obj, OopClosureType* blk, \ MemRegion mr); \ int oop_oop_iterate_range##nv_suffix(oop obj, OopClosureType* blk, \ int start, int end); ALL_OOP_OOP_ITERATE_CLOSURES_1(ObjArrayKlass_OOP_OOP_ITERATE_DECL) ALL_OOP_OOP_ITERATE_CLOSURES_2(ObjArrayKlass_OOP_OOP_ITERATE_DECL) // JVM support jint compute_modifier_flags(TRAPS) const; private: static klassOop array_klass_impl (objArrayKlassHandle this_oop, bool or_null, int n, TRAPS); public: // Printing void oop_print_value_on(oop obj, outputStream* st); #ifndef PRODUCT void oop_print_on (oop obj, outputStream* st); #endif //PRODUCT // Verification const char* internal_name() const; void oop_verify_on(oop obj, outputStream* st); void oop_verify_old_oop(oop obj, oop* p, bool allow_dirty); void oop_verify_old_oop(oop obj, narrowOop* p, bool allow_dirty); }; #endif // SHARE_VM_OOPS_OBJARRAYKLASS_HPP