Mercurial > hg > graal-compiler
view src/share/vm/oops/objArrayKlass.hpp @ 7402:fd74228fd5ca
8004076: Move _max_locals and _size_of_parameters to ConstMethod for better sharing.
Summary: Move _max_locals and _size_of_parameters to ConstMethod for better sharing.
Reviewed-by: coleenp, minqi, jrose
author | jiangli |
---|---|
date | Tue, 11 Dec 2012 12:41:31 -0500 |
parents | 070d523b96a7 |
children | db9981fd3124 |
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/* * Copyright (c) 1997, 2012, 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 "classfile/classLoaderData.hpp" #include "memory/specialized_oop_closures.hpp" #include "oops/arrayKlass.hpp" // ObjArrayKlass is the klass for objArrays class ObjArrayKlass : public ArrayKlass { friend class VMStructs; private: Klass* _element_klass; // The klass of the elements of this array type Klass* _bottom_klass; // The one-dimensional type (InstanceKlass or TypeArrayKlass) // Constructor ObjArrayKlass(int n, KlassHandle element_klass, Symbol* name); static ObjArrayKlass* allocate(ClassLoaderData* loader_data, int n, KlassHandle klass_handle, Symbol* name, TRAPS); public: // For dummy objects ObjArrayKlass() {} // Instance variables Klass* element_klass() const { return _element_klass; } void set_element_klass(Klass* k) { _element_klass = k; } Klass** element_klass_addr() { return &_element_klass; } Klass* bottom_klass() const { return _bottom_klass; } void set_bottom_klass(Klass* k) { _bottom_klass = k; } Klass** bottom_klass_addr() { return &_bottom_klass; } // Compiler/Interpreter offset static ByteSize element_klass_offset() { return in_ByteSize(offset_of(ObjArrayKlass, _element_klass)); } // Dispatched operation bool can_be_primary_super_slow() const; GrowableArray<Klass*>* compute_secondary_supers(int num_extra_slots); bool compute_is_subtype_of(Klass* k); bool oop_is_objArray_slow() const { return true; } int oop_size(oop obj) const; // Allocation static Klass* allocate_objArray_klass(ClassLoaderData* loader_data, int n, KlassHandle element_klass, TRAPS); 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 bottom_klass()->protection_domain(); } 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 Klass* array_klass_impl(bool or_null, int n, TRAPS); // Returns the array class with this class as element type. virtual Klass* array_klass_impl(bool or_null, TRAPS); public: // Casting from Klass* static ObjArrayKlass* cast(Klass* k) { assert(k->oop_is_objArray(), "cast to ObjArrayKlass"); return (ObjArrayKlass*) k; } // Sizing static int header_size() { return sizeof(ObjArrayKlass)/HeapWordSize; } int size() const { return ArrayKlass::static_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, ExtendedOopClosure* blk) { return oop_oop_iterate_v(obj, blk); } int oop_oop_iterate_m(oop obj, ExtendedOopClosure* 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; public: // Printing void print_on(outputStream* st) const; void print_value_on(outputStream* st) const; void oop_print_value_on(oop obj, outputStream* st); #ifndef PRODUCT void oop_print_on (oop obj, outputStream* st); #endif //PRODUCT const char* internal_name() const; // Verification void verify_on(outputStream* st); void oop_verify_on(oop obj, outputStream* st); }; #endif // SHARE_VM_OOPS_OBJARRAYKLASS_HPP