Wed, 06 Jan 2010 14:22:39 -0800
6914300: ciEnv should export all well known classes
Reviewed-by: kvn, twisti
duke@435 | 1 | /* |
twisti@1573 | 2 | * Copyright 1999-2009 Sun Microsystems, Inc. All Rights Reserved. |
duke@435 | 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
duke@435 | 4 | * |
duke@435 | 5 | * This code is free software; you can redistribute it and/or modify it |
duke@435 | 6 | * under the terms of the GNU General Public License version 2 only, as |
duke@435 | 7 | * published by the Free Software Foundation. |
duke@435 | 8 | * |
duke@435 | 9 | * This code is distributed in the hope that it will be useful, but WITHOUT |
duke@435 | 10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
duke@435 | 11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
duke@435 | 12 | * version 2 for more details (a copy is included in the LICENSE file that |
duke@435 | 13 | * accompanied this code). |
duke@435 | 14 | * |
duke@435 | 15 | * You should have received a copy of the GNU General Public License version |
duke@435 | 16 | * 2 along with this work; if not, write to the Free Software Foundation, |
duke@435 | 17 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
duke@435 | 18 | * |
duke@435 | 19 | * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, |
duke@435 | 20 | * CA 95054 USA or visit www.sun.com if you need additional information or |
duke@435 | 21 | * have any questions. |
duke@435 | 22 | * |
duke@435 | 23 | */ |
duke@435 | 24 | |
duke@435 | 25 | // ciKlass |
duke@435 | 26 | // |
duke@435 | 27 | // This class and its subclasses represent klassOops in the |
duke@435 | 28 | // HotSpot virtual machine. In the vm, each klassOop contains an |
duke@435 | 29 | // embedded Klass object. ciKlass is subclassed to explicitly |
duke@435 | 30 | // represent the kind of Klass embedded in the klassOop. For |
duke@435 | 31 | // example, a klassOop with an embedded objArrayKlass object is |
duke@435 | 32 | // represented in the ciObject hierarchy by the class |
duke@435 | 33 | // ciObjArrayKlass. |
duke@435 | 34 | class ciKlass : public ciType { |
duke@435 | 35 | CI_PACKAGE_ACCESS |
duke@435 | 36 | friend class ciEnv; |
duke@435 | 37 | friend class ciField; |
duke@435 | 38 | friend class ciMethod; |
duke@435 | 39 | friend class ciObjArrayKlass; |
duke@435 | 40 | |
duke@435 | 41 | private: |
duke@435 | 42 | ciSymbol* _name; |
duke@435 | 43 | jint _layout_helper; |
duke@435 | 44 | |
duke@435 | 45 | protected: |
duke@435 | 46 | ciKlass(KlassHandle k_h, ciSymbol* name); |
duke@435 | 47 | ciKlass(ciSymbol* name, ciKlass* klass); |
duke@435 | 48 | |
duke@435 | 49 | klassOop get_klassOop() const { |
duke@435 | 50 | klassOop k = (klassOop)get_oop(); |
duke@435 | 51 | assert(k != NULL, "illegal use of unloaded klass"); |
duke@435 | 52 | return k; |
duke@435 | 53 | } |
duke@435 | 54 | |
duke@435 | 55 | Klass* get_Klass() const { return get_klassOop()->klass_part(); } |
duke@435 | 56 | |
duke@435 | 57 | // Certain subklasses have an associated class loader. |
duke@435 | 58 | virtual oop loader() { return NULL; } |
duke@435 | 59 | virtual jobject loader_handle() { return NULL; } |
duke@435 | 60 | |
duke@435 | 61 | virtual oop protection_domain() { return NULL; } |
duke@435 | 62 | virtual jobject protection_domain_handle() { return NULL; } |
duke@435 | 63 | |
duke@435 | 64 | const char* type_string() { return "ciKlass"; } |
duke@435 | 65 | |
duke@435 | 66 | void print_impl(outputStream* st); |
duke@435 | 67 | |
duke@435 | 68 | public: |
duke@435 | 69 | ciKlass(KlassHandle k_h); |
duke@435 | 70 | |
duke@435 | 71 | // What is the name of this klass? |
twisti@1573 | 72 | ciSymbol* name() const { return _name; } |
duke@435 | 73 | |
duke@435 | 74 | // What is its layout helper value? |
duke@435 | 75 | jint layout_helper() { return _layout_helper; } |
duke@435 | 76 | |
duke@435 | 77 | bool is_subtype_of(ciKlass* klass); |
duke@435 | 78 | bool is_subclass_of(ciKlass* klass); |
duke@435 | 79 | juint super_depth(); |
duke@435 | 80 | juint super_check_offset(); |
duke@435 | 81 | ciKlass* super_of_depth(juint i); |
duke@435 | 82 | bool can_be_primary_super(); |
duke@435 | 83 | static juint primary_super_limit() { return Klass::primary_super_limit(); } |
duke@435 | 84 | |
duke@435 | 85 | // Get the shared parent of two klasses. |
duke@435 | 86 | ciKlass* least_common_ancestor(ciKlass* k); |
duke@435 | 87 | |
duke@435 | 88 | virtual bool is_interface() { |
duke@435 | 89 | return false; |
duke@435 | 90 | } |
duke@435 | 91 | |
duke@435 | 92 | virtual bool is_abstract() { |
duke@435 | 93 | return false; |
duke@435 | 94 | } |
duke@435 | 95 | |
duke@435 | 96 | // Does this type (array, class, interface) have no subtypes? |
duke@435 | 97 | virtual bool is_leaf_type() { |
duke@435 | 98 | return false; |
duke@435 | 99 | } |
duke@435 | 100 | |
duke@435 | 101 | // Attempt to get a klass using this ciKlass's loader. |
duke@435 | 102 | ciKlass* find_klass(ciSymbol* klass_name); |
duke@435 | 103 | // Note: To find a class from its name string, use ciSymbol::make, |
duke@435 | 104 | // but consider adding to vmSymbols.hpp instead. |
duke@435 | 105 | |
duke@435 | 106 | // Get the instance of java.lang.Class corresponding to this klass. |
duke@435 | 107 | ciInstance* java_mirror(); |
duke@435 | 108 | |
duke@435 | 109 | // Fetch Klass::modifier_flags. |
duke@435 | 110 | jint modifier_flags(); |
duke@435 | 111 | |
duke@435 | 112 | // Fetch Klass::access_flags. |
duke@435 | 113 | jint access_flags(); |
duke@435 | 114 | |
duke@435 | 115 | // What kind of ciObject is this? |
duke@435 | 116 | bool is_klass() { return true; } |
duke@435 | 117 | |
duke@435 | 118 | void print_name_on(outputStream* st); |
duke@435 | 119 | }; |