Mercurial > hg > truffle
diff src/share/vm/compiler/abstractCompiler.hpp @ 0:a61af66fc99e jdk7-b24
Initial load
author | duke |
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date | Sat, 01 Dec 2007 00:00:00 +0000 |
parents | |
children | 35069ca331f2 c18cbe5936b8 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/share/vm/compiler/abstractCompiler.hpp Sat Dec 01 00:00:00 2007 +0000 @@ -0,0 +1,82 @@ +/* + * Copyright 1999-2007 Sun Microsystems, Inc. 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, + * CA 95054 USA or visit www.sun.com if you need additional information or + * have any questions. + * + */ + +typedef void (*initializer)(void); + +class AbstractCompiler : public CHeapObj { + private: + bool _is_initialized; // Mark whether compiler object is initialized + + protected: + // Used for tracking global state of compiler runtime initialization + enum { uninitialized, initializing, initialized }; + + // 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); + + public: + AbstractCompiler() : _is_initialized(false) {} + + // Name of this compiler + virtual const char* name() = 0; + + // Missing feature tests + virtual bool supports_native() { return true; } + virtual bool supports_osr () { return true; } +#if defined(TIERED) || ( !defined(COMPILER1) && !defined(COMPILER2)) + virtual bool is_c1 () { return false; } + virtual bool is_c2 () { return false; } +#else +#ifdef COMPILER1 + bool is_c1 () { return true; } + bool is_c2 () { return false; } +#endif // COMPILER1 +#ifdef COMPILER2 + bool is_c1 () { return false; } + bool is_c2 () { return true; } +#endif // COMPILER2 +#endif // TIERED + + // Customization + virtual bool needs_stubs () = 0; + + 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(); + } +};