83 lines
2.9 KiB
C++
83 lines
2.9 KiB
C++
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/*
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* Copyright 1999-2007 Sun Microsystems, Inc. All Rights Reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
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* CA 95054 USA or visit www.sun.com if you need additional information or
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* have any questions.
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*
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*/
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typedef void (*initializer)(void);
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class AbstractCompiler : public CHeapObj {
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private:
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bool _is_initialized; // Mark whether compiler object is initialized
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protected:
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// Used for tracking global state of compiler runtime initialization
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enum { uninitialized, initializing, initialized };
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// This method will call the initialization method "f" once (per compiler class/subclass)
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// and do so without holding any locks
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void initialize_runtimes(initializer f, volatile int* state);
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public:
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AbstractCompiler() : _is_initialized(false) {}
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// Name of this compiler
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virtual const char* name() = 0;
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// Missing feature tests
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virtual bool supports_native() { return true; }
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virtual bool supports_osr () { return true; }
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#if defined(TIERED) || ( !defined(COMPILER1) && !defined(COMPILER2))
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virtual bool is_c1 () { return false; }
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virtual bool is_c2 () { return false; }
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#else
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#ifdef COMPILER1
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bool is_c1 () { return true; }
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bool is_c2 () { return false; }
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#endif // COMPILER1
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#ifdef COMPILER2
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bool is_c1 () { return false; }
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bool is_c2 () { return true; }
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#endif // COMPILER2
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#endif // TIERED
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// Customization
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virtual bool needs_stubs () = 0;
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void mark_initialized() { _is_initialized = true; }
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bool is_initialized() { return _is_initialized; }
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virtual void initialize() = 0;
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// Compilation entry point for methods
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virtual void compile_method(ciEnv* env,
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ciMethod* target,
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int entry_bci) {
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ShouldNotReachHere();
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}
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// Print compilation timers and statistics
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virtual void print_timers() {
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ShouldNotReachHere();
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}
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};
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