Mercurial > hg > graal-compiler
view src/share/vm/shark/sharkCompiler.hpp @ 9711:83dcd76c27f1
Merge.
author | Christian Haeubl <haeubl@ssw.jku.at> |
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date | Tue, 14 May 2013 16:57:07 +0200 |
parents | 606eada1bf86 |
children | 469216acdb28 |
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/* * Copyright (c) 1999, 2010, Oracle and/or its affiliates. All rights reserved. * Copyright 2008, 2009, 2010, 2011 Red Hat, Inc. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. * */ #ifndef SHARE_VM_SHARK_SHARKCOMPILER_HPP #define SHARE_VM_SHARK_SHARKCOMPILER_HPP #include "ci/ciEnv.hpp" #include "ci/ciMethod.hpp" #include "compiler/abstractCompiler.hpp" #include "compiler/compileBroker.hpp" #include "shark/llvmHeaders.hpp" #include "shark/sharkMemoryManager.hpp" class SharkContext; class SharkCompiler : public AbstractCompiler { public: // Creation SharkCompiler(); // Name of this compiler const char *name() { return "shark"; } // Missing feature tests bool supports_native() { return true; } bool supports_osr() { return true; } bool can_compile_method(methodHandle method) { return ! (method->is_method_handle_intrinsic() || method->is_compiled_lambda_form()); } // Customization bool needs_adapters() { return false; } bool needs_stubs() { return false; } // Initialization void initialize(); // Compile a normal (bytecode) method and install it in the VM void compile_method(ciEnv* env, ciMethod* target, int entry_bci); // Generate a wrapper for a native (JNI) method nmethod* generate_native_wrapper(MacroAssembler* masm, methodHandle target, int compile_id, BasicType* arg_types, BasicType return_type); // Free compiled methods (and native wrappers) void free_compiled_method(address code); // Each thread generating IR needs its own context. The normal // context is used for bytecode methods, and is protected from // multiple simultaneous accesses by being restricted to the // compiler thread. The native context is used for JNI methods, // and is protected from multiple simultaneous accesses by the // adapter handler library lock. private: SharkContext* _normal_context; SharkContext* _native_context; public: SharkContext* context() const { if (JavaThread::current()->is_Compiler_thread()) { return _normal_context; } else { assert(AdapterHandlerLibrary_lock->owned_by_self(), "should be"); return _native_context; } } // The LLVM execution engine is the JIT we use to generate native // code. It is thread safe, but we need to protect it with a lock // of our own because otherwise LLVM's lock and HotSpot's locks // interleave and deadlock. The SharkMemoryManager is not thread // safe, and is protected by the same lock as the execution engine. private: Monitor* _execution_engine_lock; SharkMemoryManager* _memory_manager; llvm::ExecutionEngine* _execution_engine; private: Monitor* execution_engine_lock() const { return _execution_engine_lock; } SharkMemoryManager* memory_manager() const { assert(execution_engine_lock()->owned_by_self(), "should be"); return _memory_manager; } llvm::ExecutionEngine* execution_engine() const { assert(execution_engine_lock()->owned_by_self(), "should be"); return _execution_engine; } // Global access public: static SharkCompiler* compiler() { AbstractCompiler *compiler = CompileBroker::compiler(CompLevel_full_optimization); assert(compiler->is_shark() && compiler->is_initialized(), "should be"); return (SharkCompiler *) compiler; } // Helpers private: static const char* methodname(const char* klass, const char* method); void generate_native_code(SharkEntry* entry, llvm::Function* function, const char* name); void free_queued_methods(); }; #endif // SHARE_VM_SHARK_SHARKCOMPILER_HPP