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view src/share/vm/compiler/abstractCompiler.hpp @ 7535:f057113c7a87
provide TargetDescription in LoweringTool
author | Lukas Stadler <lukas.stadler@jku.at> |
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date | Wed, 23 Jan 2013 16:46:20 +0100 |
parents | 5d0bb7d52783 |
children | 140d4d4ab3b9 |
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/* * Copyright (c) 1999, 2012, Oracle and/or its affiliates. All rights reserved. * 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_COMPILER_ABSTRACTCOMPILER_HPP #define SHARE_VM_COMPILER_ABSTRACTCOMPILER_HPP #include "ci/compilerInterface.hpp" typedef void (*initializer)(void); class AbstractCompiler : public CHeapObj<mtCompiler> { private: bool _is_initialized; // Mark whether compiler object is initialized protected: // Used for tracking global state of compiler runtime initialization enum { uninitialized, initializing, initialized }; // The (closed set) of concrete compiler classes. Using an tag like this // avoids a confusing use of macros around the definition of the // 'is_<compiler type>' methods. enum Type { c1, c2, shark, graal }; // This method will call the initialization method "f" once (per compiler class/subclass) // and do so without holding any locks void initialize_runtimes(initializer f, volatile int* state); private: Type _type; public: AbstractCompiler(Type type) : _is_initialized(false), _type(type) {} // Name of this compiler virtual const char* name() = 0; // Should a native wrapper be generated by the runtime. This method // does *not* answer the question "can this compiler generate code for // a native method". virtual bool supports_native() { return true; } virtual bool supports_osr () { return true; } bool is_c1 () { return _type == c1; } bool is_c2 () { return _type == c2; } bool is_shark() { return _type == shark; } bool is_graal() { return _type == graal; } void mark_initialized() { _is_initialized = true; } bool is_initialized() { return _is_initialized; } virtual void initialize() = 0; // Compilation entry point for methods virtual void compile_method(ciEnv* env, ciMethod* target, int entry_bci) { ShouldNotReachHere(); } // Print compilation timers and statistics virtual void print_timers() { ShouldNotReachHere(); } }; #endif // SHARE_VM_COMPILER_ABSTRACTCOMPILER_HPP