Mercurial > hg > truffle
annotate src/share/vm/ci/ciKlass.hpp @ 3938:e6b1331a51d2
7086585: make Java field injection more flexible
Reviewed-by: jrose, twisti, kvn, coleenp
| author | never |
|---|---|
| date | Sat, 10 Sep 2011 17:29:02 -0700 |
| parents | f95d63e2154a |
| children | da91efe96a93 |
| rev | line source |
|---|---|
| 0 | 1 /* |
| 1972 | 2 * Copyright (c) 1999, 2010, Oracle and/or its affiliates. All rights reserved. |
| 0 | 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| 4 * | |
| 5 * This code is free software; you can redistribute it and/or modify it | |
| 6 * under the terms of the GNU General Public License version 2 only, as | |
| 7 * published by the Free Software Foundation. | |
| 8 * | |
| 9 * This code is distributed in the hope that it will be useful, but WITHOUT | |
| 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 12 * version 2 for more details (a copy is included in the LICENSE file that | |
| 13 * accompanied this code). | |
| 14 * | |
| 15 * You should have received a copy of the GNU General Public License version | |
| 16 * 2 along with this work; if not, write to the Free Software Foundation, | |
| 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
| 18 * | |
|
1552
c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
trims
parents:
1138
diff
changeset
|
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
|
c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
trims
parents:
1138
diff
changeset
|
20 * or visit www.oracle.com if you need additional information or have any |
|
c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
trims
parents:
1138
diff
changeset
|
21 * questions. |
| 0 | 22 * |
| 23 */ | |
| 24 | |
| 1972 | 25 #ifndef SHARE_VM_CI_CIKLASS_HPP |
| 26 #define SHARE_VM_CI_CIKLASS_HPP | |
| 27 | |
| 28 #include "ci/ciType.hpp" | |
| 29 #include "oops/klassOop.hpp" | |
| 30 | |
| 0 | 31 // ciKlass |
| 32 // | |
| 33 // This class and its subclasses represent klassOops in the | |
| 34 // HotSpot virtual machine. In the vm, each klassOop contains an | |
| 35 // embedded Klass object. ciKlass is subclassed to explicitly | |
| 36 // represent the kind of Klass embedded in the klassOop. For | |
| 37 // example, a klassOop with an embedded objArrayKlass object is | |
| 38 // represented in the ciObject hierarchy by the class | |
| 39 // ciObjArrayKlass. | |
| 40 class ciKlass : public ciType { | |
| 41 CI_PACKAGE_ACCESS | |
| 42 friend class ciEnv; | |
| 43 friend class ciField; | |
| 44 friend class ciMethod; | |
| 45 friend class ciObjArrayKlass; | |
| 46 | |
| 47 private: | |
| 48 ciSymbol* _name; | |
| 49 jint _layout_helper; | |
| 50 | |
| 51 protected: | |
| 52 ciKlass(KlassHandle k_h, ciSymbol* name); | |
| 53 ciKlass(ciSymbol* name, ciKlass* klass); | |
| 54 | |
| 55 klassOop get_klassOop() const { | |
| 56 klassOop k = (klassOop)get_oop(); | |
| 57 assert(k != NULL, "illegal use of unloaded klass"); | |
| 58 return k; | |
| 59 } | |
| 60 | |
| 61 Klass* get_Klass() const { return get_klassOop()->klass_part(); } | |
| 62 | |
| 63 // Certain subklasses have an associated class loader. | |
| 64 virtual oop loader() { return NULL; } | |
| 65 virtual jobject loader_handle() { return NULL; } | |
| 66 | |
| 67 virtual oop protection_domain() { return NULL; } | |
| 68 virtual jobject protection_domain_handle() { return NULL; } | |
| 69 | |
| 70 const char* type_string() { return "ciKlass"; } | |
| 71 | |
| 72 void print_impl(outputStream* st); | |
| 73 | |
| 74 public: | |
| 75 ciKlass(KlassHandle k_h); | |
| 76 | |
| 77 // What is the name of this klass? | |
|
1138
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
0
diff
changeset
|
78 ciSymbol* name() const { return _name; } |
| 0 | 79 |
| 80 // What is its layout helper value? | |
| 81 jint layout_helper() { return _layout_helper; } | |
| 82 | |
| 83 bool is_subtype_of(ciKlass* klass); | |
| 84 bool is_subclass_of(ciKlass* klass); | |
| 85 juint super_depth(); | |
| 86 juint super_check_offset(); | |
| 87 ciKlass* super_of_depth(juint i); | |
| 88 bool can_be_primary_super(); | |
| 89 static juint primary_super_limit() { return Klass::primary_super_limit(); } | |
| 90 | |
| 91 // Get the shared parent of two klasses. | |
| 92 ciKlass* least_common_ancestor(ciKlass* k); | |
| 93 | |
| 94 virtual bool is_interface() { | |
| 95 return false; | |
| 96 } | |
| 97 | |
| 98 virtual bool is_abstract() { | |
| 99 return false; | |
| 100 } | |
| 101 | |
| 102 // Does this type (array, class, interface) have no subtypes? | |
| 103 virtual bool is_leaf_type() { | |
| 104 return false; | |
| 105 } | |
| 106 | |
| 107 // Attempt to get a klass using this ciKlass's loader. | |
| 108 ciKlass* find_klass(ciSymbol* klass_name); | |
| 109 // Note: To find a class from its name string, use ciSymbol::make, | |
| 110 // but consider adding to vmSymbols.hpp instead. | |
| 111 | |
| 112 // Get the instance of java.lang.Class corresponding to this klass. | |
| 113 ciInstance* java_mirror(); | |
| 114 | |
| 115 // Fetch Klass::modifier_flags. | |
| 116 jint modifier_flags(); | |
| 117 | |
| 118 // Fetch Klass::access_flags. | |
| 119 jint access_flags(); | |
| 120 | |
| 121 // What kind of ciObject is this? | |
| 122 bool is_klass() { return true; } | |
| 123 | |
| 124 void print_name_on(outputStream* st); | |
| 125 }; | |
| 1972 | 126 |
| 127 #endif // SHARE_VM_CI_CIKLASS_HPP |