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src/share/vm/ci/ciMetadata.hpp@ac27a9c85bea (annotated)
src/share/vm/ci/ciMetadata.hpp
Thu, 24 May 2018 18:41:44 +0800
- author
- aoqi
- date
- Thu, 24 May 2018 18:41:44 +0800
- changeset 8856
- ac27a9c85bea
- parent 6876
- 710a3c8b516e
- permissions
- -rw-r--r--
Merge
| aoqi@0 | 1 | /* |
| aoqi@0 | 2 | * Copyright (c) 1999, 2012, Oracle and/or its affiliates. All rights reserved. |
| aoqi@0 | 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| aoqi@0 | 4 | * |
| aoqi@0 | 5 | * This code is free software; you can redistribute it and/or modify it |
| aoqi@0 | 6 | * under the terms of the GNU General Public License version 2 only, as |
| aoqi@0 | 7 | * published by the Free Software Foundation. |
| aoqi@0 | 8 | * |
| aoqi@0 | 9 | * This code is distributed in the hope that it will be useful, but WITHOUT |
| aoqi@0 | 10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| aoqi@0 | 11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| aoqi@0 | 12 | * version 2 for more details (a copy is included in the LICENSE file that |
| aoqi@0 | 13 | * accompanied this code). |
| aoqi@0 | 14 | * |
| aoqi@0 | 15 | * You should have received a copy of the GNU General Public License version |
| aoqi@0 | 16 | * 2 along with this work; if not, write to the Free Software Foundation, |
| aoqi@0 | 17 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| aoqi@0 | 18 | * |
| aoqi@0 | 19 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| aoqi@0 | 20 | * or visit www.oracle.com if you need additional information or have any |
| aoqi@0 | 21 | * questions. |
| aoqi@0 | 22 | * |
| aoqi@0 | 23 | */ |
| aoqi@0 | 24 | |
| aoqi@0 | 25 | #ifndef SHARE_VM_CI_CIMETADATA_HPP |
| aoqi@0 | 26 | #define SHARE_VM_CI_CIMETADATA_HPP |
| aoqi@0 | 27 | |
| aoqi@0 | 28 | #include "ci/ciBaseObject.hpp" |
| aoqi@0 | 29 | #include "ci/ciClassList.hpp" |
| aoqi@0 | 30 | #include "memory/allocation.hpp" |
| aoqi@0 | 31 | #include "runtime/handles.hpp" |
| aoqi@0 | 32 | #include "runtime/jniHandles.hpp" |
| aoqi@0 | 33 | |
| aoqi@0 | 34 | // ciMetadata |
| aoqi@0 | 35 | // |
| aoqi@0 | 36 | // Compiler interface to metadata object in the VM, not Java object. |
| aoqi@0 | 37 | |
| aoqi@0 | 38 | class ciMetadata: public ciBaseObject { |
| aoqi@0 | 39 | CI_PACKAGE_ACCESS |
| aoqi@0 | 40 | friend class ciEnv; |
| aoqi@0 | 41 | |
| aoqi@0 | 42 | protected: |
| aoqi@0 | 43 | Metadata* _metadata; |
| aoqi@0 | 44 | |
| aoqi@0 | 45 | ciMetadata(): _metadata(NULL) {} |
| aoqi@0 | 46 | ciMetadata(Metadata* o): _metadata(o) {} |
| aoqi@0 | 47 | |
| aoqi@0 | 48 | virtual bool is_classless() const { return false; } |
| aoqi@0 | 49 | public: |
| aoqi@0 | 50 | bool is_loaded() const { return _metadata != NULL || is_classless(); } |
| aoqi@0 | 51 | |
| aoqi@0 | 52 | virtual bool is_metadata() const { return true; } |
| aoqi@0 | 53 | |
| aoqi@0 | 54 | virtual bool is_type() const { return false; } |
| aoqi@0 | 55 | virtual bool is_cpcache() const { return false; } |
| aoqi@0 | 56 | virtual bool is_return_address() const { return false; } |
| aoqi@0 | 57 | virtual bool is_method() const { return false; } |
| aoqi@0 | 58 | virtual bool is_method_data() const { return false; } |
| aoqi@0 | 59 | virtual bool is_klass() const { return false; } |
| aoqi@0 | 60 | virtual bool is_instance_klass() const { return false; } |
| aoqi@0 | 61 | virtual bool is_array_klass() const { return false; } |
| aoqi@0 | 62 | virtual bool is_obj_array_klass() const { return false; } |
| aoqi@0 | 63 | virtual bool is_type_array_klass() const { return false; } |
| aoqi@0 | 64 | virtual void dump_replay_data(outputStream* st) { /* do nothing */ } |
| aoqi@0 | 65 | |
| aoqi@0 | 66 | ciMethod* as_method() { |
| aoqi@0 | 67 | assert(is_method(), "bad cast"); |
| aoqi@0 | 68 | return (ciMethod*)this; |
| aoqi@0 | 69 | } |
| aoqi@0 | 70 | ciMethodData* as_method_data() { |
| aoqi@0 | 71 | assert(is_method_data(), "bad cast"); |
| aoqi@0 | 72 | return (ciMethodData*)this; |
| aoqi@0 | 73 | } |
| aoqi@0 | 74 | ciSymbol* as_symbol() { |
| aoqi@0 | 75 | assert(is_symbol(), "bad cast"); |
| aoqi@0 | 76 | return (ciSymbol*)this; |
| aoqi@0 | 77 | } |
| aoqi@0 | 78 | ciType* as_type() { |
| aoqi@0 | 79 | assert(is_type(), "bad cast"); |
| aoqi@0 | 80 | return (ciType*)this; |
| aoqi@0 | 81 | } |
| aoqi@0 | 82 | ciReturnAddress* as_return_address() { |
| aoqi@0 | 83 | assert(is_return_address(), "bad cast"); |
| aoqi@0 | 84 | return (ciReturnAddress*)this; |
| aoqi@0 | 85 | } |
| aoqi@0 | 86 | ciKlass* as_klass() { |
| aoqi@0 | 87 | assert(is_klass(), "bad cast"); |
| aoqi@0 | 88 | return (ciKlass*)this; |
| aoqi@0 | 89 | } |
| aoqi@0 | 90 | ciInstanceKlass* as_instance_klass() { |
| aoqi@0 | 91 | assert(is_instance_klass(), "bad cast"); |
| aoqi@0 | 92 | return (ciInstanceKlass*)this; |
| aoqi@0 | 93 | } |
| aoqi@0 | 94 | ciArrayKlass* as_array_klass() { |
| aoqi@0 | 95 | assert(is_array_klass(), "bad cast"); |
| aoqi@0 | 96 | return (ciArrayKlass*)this; |
| aoqi@0 | 97 | } |
| aoqi@0 | 98 | ciObjArrayKlass* as_obj_array_klass() { |
| aoqi@0 | 99 | assert(is_obj_array_klass(), "bad cast"); |
| aoqi@0 | 100 | return (ciObjArrayKlass*)this; |
| aoqi@0 | 101 | } |
| aoqi@0 | 102 | ciTypeArrayKlass* as_type_array_klass() { |
| aoqi@0 | 103 | assert(is_type_array_klass(), "bad cast"); |
| aoqi@0 | 104 | return (ciTypeArrayKlass*)this; |
| aoqi@0 | 105 | } |
| aoqi@0 | 106 | |
| aoqi@0 | 107 | Metadata* constant_encoding() { return _metadata; } |
| aoqi@0 | 108 | |
| aoqi@0 | 109 | bool equals(ciMetadata* obj) const { return (this == obj); } |
| aoqi@0 | 110 | |
| aoqi@0 | 111 | int hash() { return ident() * 31; } // ??? |
| aoqi@0 | 112 | |
| aoqi@0 | 113 | void print(outputStream* st); |
| aoqi@0 | 114 | virtual void print_impl(outputStream* st) {} |
| aoqi@0 | 115 | virtual const char* type_string() { return "ciMetadata"; } |
| aoqi@0 | 116 | |
| aoqi@0 | 117 | void print() { print(tty); } |
| aoqi@0 | 118 | void print_metadata(outputStream* st = tty); |
| aoqi@0 | 119 | |
| aoqi@0 | 120 | }; |
| aoqi@0 | 121 | #endif // SHARE_VM_CI_CIMETADATA_HPP |
