Mercurial > hg > graal-compiler
view src/share/vm/compiler/abstractCompiler.hpp @ 900:9987d9d5eb0e
6833129: specjvm98 fails with NullPointerException in the compiler with -XX:DeoptimizeALot
Summary: developed a reexecute logic for the interpreter to reexecute the bytecode when deopt happens
Reviewed-by: kvn, never, jrose, twisti
author | cfang |
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date | Fri, 31 Jul 2009 17:12:33 -0700 |
parents | a61af66fc99e |
children | 35069ca331f2 c18cbe5936b8 |
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/* * 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(); } };