Mercurial > hg > truffle
annotate src/share/vm/shark/sharkCompiler.hpp @ 17467:55fb97c4c58d hs25-b65
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
| author | mikael |
|---|---|
| date | Tue, 24 Dec 2013 11:48:39 -0800 |
| parents | 469216acdb28 |
| children | 81ccf2c854c7 4ca6dc0799b6 |
| rev | line source |
|---|---|
| 1692 | 1 /* |
|
17467
55fb97c4c58d
8029233: Update copyright year to match last edit in jdk8 hotspot repository for 2013
mikael
parents:
12880
diff
changeset
|
2 * Copyright (c) 1999, 2013, Oracle and/or its affiliates. All rights reserved. |
| 2447 | 3 * Copyright 2008, 2009, 2010, 2011 Red Hat, Inc. |
| 1692 | 4 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| 5 * | |
| 6 * This code is free software; you can redistribute it and/or modify it | |
| 7 * under the terms of the GNU General Public License version 2 only, as | |
| 8 * published by the Free Software Foundation. | |
| 9 * | |
| 10 * This code is distributed in the hope that it will be useful, but WITHOUT | |
| 11 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 12 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 13 * version 2 for more details (a copy is included in the LICENSE file that | |
| 14 * accompanied this code). | |
| 15 * | |
| 16 * You should have received a copy of the GNU General Public License version | |
| 17 * 2 along with this work; if not, write to the Free Software Foundation, | |
| 18 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
| 19 * | |
| 20 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA | |
| 21 * or visit www.oracle.com if you need additional information or have any | |
| 22 * questions. | |
| 23 * | |
| 24 */ | |
| 25 | |
| 1972 | 26 #ifndef SHARE_VM_SHARK_SHARKCOMPILER_HPP |
| 27 #define SHARE_VM_SHARK_SHARKCOMPILER_HPP | |
| 28 | |
| 29 #include "ci/ciEnv.hpp" | |
| 30 #include "ci/ciMethod.hpp" | |
| 31 #include "compiler/abstractCompiler.hpp" | |
| 32 #include "compiler/compileBroker.hpp" | |
| 33 #include "shark/llvmHeaders.hpp" | |
| 34 #include "shark/sharkMemoryManager.hpp" | |
| 35 | |
| 1692 | 36 class SharkContext; |
| 37 | |
| 38 class SharkCompiler : public AbstractCompiler { | |
| 39 public: | |
| 40 // Creation | |
| 41 SharkCompiler(); | |
| 42 | |
| 43 // Name of this compiler | |
| 44 const char *name() { return "shark"; } | |
| 45 | |
| 46 // Missing feature tests | |
| 47 bool supports_native() { return true; } | |
| 48 bool supports_osr() { return true; } | |
| 7601 | 49 bool can_compile_method(methodHandle method) { |
| 50 return ! (method->is_method_handle_intrinsic() || method->is_compiled_lambda_form()); | |
| 51 } | |
| 1692 | 52 |
| 53 // Initialization | |
| 54 void initialize(); | |
| 55 | |
| 56 // Compile a normal (bytecode) method and install it in the VM | |
| 57 void compile_method(ciEnv* env, ciMethod* target, int entry_bci); | |
| 58 | |
| 59 // Generate a wrapper for a native (JNI) method | |
| 60 nmethod* generate_native_wrapper(MacroAssembler* masm, | |
| 61 methodHandle target, | |
| 2447 | 62 int compile_id, |
| 1692 | 63 BasicType* arg_types, |
| 64 BasicType return_type); | |
| 65 | |
| 66 // Free compiled methods (and native wrappers) | |
| 67 void free_compiled_method(address code); | |
| 68 | |
| 69 // Each thread generating IR needs its own context. The normal | |
| 70 // context is used for bytecode methods, and is protected from | |
| 71 // multiple simultaneous accesses by being restricted to the | |
| 72 // compiler thread. The native context is used for JNI methods, | |
| 73 // and is protected from multiple simultaneous accesses by the | |
| 74 // adapter handler library lock. | |
| 75 private: | |
| 76 SharkContext* _normal_context; | |
| 77 SharkContext* _native_context; | |
| 78 | |
| 79 public: | |
| 80 SharkContext* context() const { | |
| 81 if (JavaThread::current()->is_Compiler_thread()) { | |
| 82 return _normal_context; | |
| 83 } | |
| 84 else { | |
| 85 assert(AdapterHandlerLibrary_lock->owned_by_self(), "should be"); | |
| 86 return _native_context; | |
| 87 } | |
| 88 } | |
| 89 | |
| 90 // The LLVM execution engine is the JIT we use to generate native | |
| 91 // code. It is thread safe, but we need to protect it with a lock | |
| 92 // of our own because otherwise LLVM's lock and HotSpot's locks | |
| 93 // interleave and deadlock. The SharkMemoryManager is not thread | |
| 94 // safe, and is protected by the same lock as the execution engine. | |
| 95 private: | |
| 96 Monitor* _execution_engine_lock; | |
| 97 SharkMemoryManager* _memory_manager; | |
| 98 llvm::ExecutionEngine* _execution_engine; | |
| 99 | |
| 100 private: | |
| 101 Monitor* execution_engine_lock() const { | |
| 102 return _execution_engine_lock; | |
| 103 } | |
| 104 SharkMemoryManager* memory_manager() const { | |
| 105 assert(execution_engine_lock()->owned_by_self(), "should be"); | |
| 106 return _memory_manager; | |
| 107 } | |
| 108 llvm::ExecutionEngine* execution_engine() const { | |
| 109 assert(execution_engine_lock()->owned_by_self(), "should be"); | |
| 110 return _execution_engine; | |
| 111 } | |
| 112 | |
| 113 // Global access | |
| 114 public: | |
| 115 static SharkCompiler* compiler() { | |
| 2447 | 116 AbstractCompiler *compiler = |
| 117 CompileBroker::compiler(CompLevel_full_optimization); | |
| 1692 | 118 assert(compiler->is_shark() && compiler->is_initialized(), "should be"); |
| 119 return (SharkCompiler *) compiler; | |
| 120 } | |
| 121 | |
| 122 // Helpers | |
| 123 private: | |
| 124 static const char* methodname(const char* klass, const char* method); | |
| 125 void generate_native_code(SharkEntry* entry, | |
| 126 llvm::Function* function, | |
| 127 const char* name); | |
| 128 void free_queued_methods(); | |
| 129 }; | |
| 1972 | 130 |
| 131 #endif // SHARE_VM_SHARK_SHARKCOMPILER_HPP |