Tue, 24 Dec 2013 11:48:39 -0800
8029233: Update copyright year to match last edit in jdk8 hotspot repository for 2013
Summary: Copyright year updated for files modified during 2013
Reviewed-by: twisti, iveresov
twisti@2047 | 1 | /* |
mikael@6198 | 2 | * Copyright (c) 1999, 2013, Oracle and/or its affiliates. All rights reserved. |
twisti@2047 | 3 | * Copyright 2008, 2009 Red Hat, Inc. |
twisti@2047 | 4 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
twisti@2047 | 5 | * |
twisti@2047 | 6 | * This code is free software; you can redistribute it and/or modify it |
twisti@2047 | 7 | * under the terms of the GNU General Public License version 2 only, as |
twisti@2047 | 8 | * published by the Free Software Foundation. |
twisti@2047 | 9 | * |
twisti@2047 | 10 | * This code is distributed in the hope that it will be useful, but WITHOUT |
twisti@2047 | 11 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
twisti@2047 | 12 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
twisti@2047 | 13 | * version 2 for more details (a copy is included in the LICENSE file that |
twisti@2047 | 14 | * accompanied this code). |
twisti@2047 | 15 | * |
twisti@2047 | 16 | * You should have received a copy of the GNU General Public License version |
twisti@2047 | 17 | * 2 along with this work; if not, write to the Free Software Foundation, |
twisti@2047 | 18 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
twisti@2047 | 19 | * |
twisti@2047 | 20 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
twisti@2047 | 21 | * or visit www.oracle.com if you need additional information or have any |
twisti@2047 | 22 | * questions. |
twisti@2047 | 23 | * |
twisti@2047 | 24 | */ |
twisti@2047 | 25 | |
stefank@2314 | 26 | #ifndef SHARE_VM_SHARK_SHARKINVARIANTS_HPP |
stefank@2314 | 27 | #define SHARE_VM_SHARK_SHARKINVARIANTS_HPP |
stefank@2314 | 28 | |
stefank@2314 | 29 | #include "ci/ciEnv.hpp" |
stefank@2314 | 30 | #include "ci/ciInstanceKlass.hpp" |
stefank@2314 | 31 | #include "ci/ciMethod.hpp" |
stefank@2314 | 32 | #include "ci/ciTypeFlow.hpp" |
stefank@2314 | 33 | #include "code/debugInfoRec.hpp" |
stefank@2314 | 34 | #include "code/dependencies.hpp" |
stefank@2314 | 35 | #include "memory/allocation.hpp" |
stefank@2314 | 36 | #include "shark/llvmHeaders.hpp" |
stefank@2314 | 37 | #include "shark/sharkBuilder.hpp" |
stefank@2314 | 38 | |
twisti@2047 | 39 | // Base classes used to track various values through the compilation. |
twisti@2047 | 40 | // SharkCompileInvariants is used to track values which remain the |
twisti@2047 | 41 | // same for the top-level method and any inlined methods it may have |
twisti@2047 | 42 | // (ie for the whole compilation). SharkTargetInvariants is used to |
twisti@2047 | 43 | // track values which differ between methods. |
twisti@2047 | 44 | |
twisti@2047 | 45 | class SharkCompileInvariants : public ResourceObj { |
twisti@2047 | 46 | protected: |
twisti@2047 | 47 | SharkCompileInvariants(ciEnv* env, SharkBuilder* builder) |
twisti@2047 | 48 | : _env(env), |
twisti@2047 | 49 | _builder(builder), |
twisti@2047 | 50 | _thread(NULL) {} |
twisti@2047 | 51 | |
twisti@2047 | 52 | SharkCompileInvariants(const SharkCompileInvariants* parent) |
twisti@2047 | 53 | : _env(parent->_env), |
twisti@2047 | 54 | _builder(parent->_builder), |
twisti@2047 | 55 | _thread(parent->_thread) {} |
twisti@2047 | 56 | |
twisti@2047 | 57 | private: |
twisti@2047 | 58 | ciEnv* _env; |
twisti@2047 | 59 | SharkBuilder* _builder; |
twisti@2047 | 60 | llvm::Value* _thread; |
twisti@2047 | 61 | |
twisti@2047 | 62 | // Top-level broker for HotSpot's Compiler Interface. |
twisti@2047 | 63 | // |
twisti@2047 | 64 | // Its main purpose is to allow the various CI classes to access |
twisti@2047 | 65 | // oops in the VM without having to worry about safepointing. In |
twisti@2047 | 66 | // addition to this it acts as a holder for various recorders and |
twisti@2047 | 67 | // memory allocators. |
twisti@2047 | 68 | // |
twisti@2047 | 69 | // Accessing this directly is kind of ugly, so it's private. Add |
twisti@2047 | 70 | // new accessors below if you need something from it. |
twisti@4443 | 71 | protected: |
twisti@2047 | 72 | ciEnv* env() const { |
twisti@2047 | 73 | assert(_env != NULL, "env not available"); |
twisti@2047 | 74 | return _env; |
twisti@2047 | 75 | } |
twisti@2047 | 76 | |
twisti@2047 | 77 | // The SharkBuilder that is used to build LLVM IR. |
twisti@2047 | 78 | protected: |
twisti@2047 | 79 | SharkBuilder* builder() const { |
twisti@2047 | 80 | return _builder; |
twisti@2047 | 81 | } |
twisti@2047 | 82 | |
twisti@2047 | 83 | // Pointer to this thread's JavaThread object. This is not |
twisti@2047 | 84 | // available until a short way into SharkFunction creation |
twisti@2047 | 85 | // so a setter is required. Assertions are used to enforce |
twisti@2047 | 86 | // invariance. |
twisti@2047 | 87 | protected: |
twisti@2047 | 88 | llvm::Value* thread() const { |
twisti@2047 | 89 | assert(_thread != NULL, "thread not available"); |
twisti@2047 | 90 | return _thread; |
twisti@2047 | 91 | } |
twisti@2047 | 92 | void set_thread(llvm::Value* thread) { |
twisti@2047 | 93 | assert(_thread == NULL, "thread already set"); |
twisti@2047 | 94 | _thread = thread; |
twisti@2047 | 95 | } |
twisti@2047 | 96 | |
twisti@2047 | 97 | // Objects that handle various aspects of the compilation. |
twisti@2047 | 98 | protected: |
twisti@2047 | 99 | DebugInformationRecorder* debug_info() const { |
twisti@2047 | 100 | return env()->debug_info(); |
twisti@2047 | 101 | } |
twisti@4442 | 102 | SharkCodeBuffer* code_buffer() const { |
twisti@4442 | 103 | return builder()->code_buffer(); |
twisti@4442 | 104 | } |
twisti@4442 | 105 | |
twisti@4442 | 106 | public: |
twisti@2047 | 107 | Dependencies* dependencies() const { |
twisti@2047 | 108 | return env()->dependencies(); |
twisti@2047 | 109 | } |
twisti@2047 | 110 | |
twisti@2047 | 111 | // Commonly used classes |
twisti@2047 | 112 | protected: |
twisti@2047 | 113 | ciInstanceKlass* java_lang_Object_klass() const { |
twisti@2047 | 114 | return env()->Object_klass(); |
twisti@2047 | 115 | } |
twisti@2047 | 116 | ciInstanceKlass* java_lang_Throwable_klass() const { |
twisti@2047 | 117 | return env()->Throwable_klass(); |
twisti@2047 | 118 | } |
twisti@2047 | 119 | }; |
twisti@2047 | 120 | |
twisti@2047 | 121 | class SharkTargetInvariants : public SharkCompileInvariants { |
twisti@2047 | 122 | protected: |
twisti@2047 | 123 | SharkTargetInvariants(ciEnv* env, SharkBuilder* builder, ciTypeFlow* flow) |
twisti@2047 | 124 | : SharkCompileInvariants(env, builder), |
twisti@2047 | 125 | _target(flow->method()), |
twisti@2047 | 126 | _flow(flow), |
twisti@2047 | 127 | _max_monitors(count_monitors()) {} |
twisti@2047 | 128 | |
twisti@2047 | 129 | SharkTargetInvariants(const SharkCompileInvariants* parent, ciMethod* target) |
twisti@2047 | 130 | : SharkCompileInvariants(parent), |
twisti@2047 | 131 | _target(target), |
twisti@2047 | 132 | _flow(NULL), |
twisti@2047 | 133 | _max_monitors(count_monitors()) {} |
twisti@2047 | 134 | |
twisti@2047 | 135 | SharkTargetInvariants(const SharkTargetInvariants* parent) |
twisti@2047 | 136 | : SharkCompileInvariants(parent), |
twisti@2047 | 137 | _target(parent->_target), |
twisti@2047 | 138 | _flow(parent->_flow), |
twisti@2047 | 139 | _max_monitors(parent->_max_monitors) {} |
twisti@2047 | 140 | |
twisti@2047 | 141 | private: |
twisti@2047 | 142 | int count_monitors(); |
twisti@2047 | 143 | |
twisti@2047 | 144 | private: |
twisti@2047 | 145 | ciMethod* _target; |
twisti@2047 | 146 | ciTypeFlow* _flow; |
twisti@2047 | 147 | int _max_monitors; |
twisti@2047 | 148 | |
twisti@2047 | 149 | // The method being compiled. |
twisti@2047 | 150 | protected: |
twisti@2047 | 151 | ciMethod* target() const { |
twisti@2047 | 152 | return _target; |
twisti@2047 | 153 | } |
twisti@2047 | 154 | |
twisti@2047 | 155 | // Typeflow analysis of the method being compiled. |
twisti@2047 | 156 | protected: |
twisti@2047 | 157 | ciTypeFlow* flow() const { |
twisti@2047 | 158 | assert(_flow != NULL, "typeflow not available"); |
twisti@2047 | 159 | return _flow; |
twisti@2047 | 160 | } |
twisti@2047 | 161 | |
twisti@2047 | 162 | // Properties of the method. |
twisti@2047 | 163 | protected: |
twisti@2047 | 164 | int max_locals() const { |
twisti@2047 | 165 | return target()->max_locals(); |
twisti@2047 | 166 | } |
twisti@2047 | 167 | int max_stack() const { |
twisti@2047 | 168 | return target()->max_stack(); |
twisti@2047 | 169 | } |
twisti@2047 | 170 | int max_monitors() const { |
twisti@2047 | 171 | return _max_monitors; |
twisti@2047 | 172 | } |
twisti@2047 | 173 | int arg_size() const { |
twisti@2047 | 174 | return target()->arg_size(); |
twisti@2047 | 175 | } |
twisti@2047 | 176 | bool is_static() const { |
twisti@2047 | 177 | return target()->is_static(); |
twisti@2047 | 178 | } |
twisti@2047 | 179 | bool is_synchronized() const { |
twisti@2047 | 180 | return target()->is_synchronized(); |
twisti@2047 | 181 | } |
twisti@2047 | 182 | }; |
stefank@2314 | 183 | |
stefank@2314 | 184 | #endif // SHARE_VM_SHARK_SHARKINVARIANTS_HPP |