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1 /*
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2 * Copyright 1999-2007 Sun Microsystems, Inc. All Rights Reserved.
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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4 *
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5 * This code is free software; you can redistribute it and/or modify it
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6 * under the terms of the GNU General Public License version 2 only, as
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7 * published by the Free Software Foundation.
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8 *
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9 * This code is distributed in the hope that it will be useful, but WITHOUT
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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12 * version 2 for more details (a copy is included in the LICENSE file that
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13 * accompanied this code).
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14 *
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15 * You should have received a copy of the GNU General Public License version
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16 * 2 along with this work; if not, write to the Free Software Foundation,
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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18 *
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19 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
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20 * CA 95054 USA or visit www.sun.com if you need additional information or
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21 * have any questions.
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22 *
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23 */
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24
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25 // There is one instance of the Compiler per CompilerThread.
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26
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27 class Compiler: public AbstractCompiler {
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28
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29 private:
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30
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31 // Tracks whether runtime has been initialized
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32 static volatile int _runtimes;
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33
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34 // In tiered it is possible for multiple threads to want to do compilation
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35 // only one can enter c1 at a time
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36 static volatile bool _compiling;
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37
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38 public:
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39 // Creation
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40 Compiler();
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41 ~Compiler();
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42
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43 // Name of this compiler
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44 virtual const char* name() { return "C1"; }
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45
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46 #ifdef TIERED
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47 virtual bool is_c1() { return true; };
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48 #endif // TIERED
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49
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50
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51 // Missing feature tests
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52 virtual bool supports_native() { return true; }
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53 virtual bool supports_osr () { return true; }
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54
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55 // Customization
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56 virtual bool needs_adapters () { return false; }
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57 virtual bool needs_stubs () { return false; }
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58
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59 // Initialization
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60 virtual void initialize();
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61
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62 // Compilation entry point for methods
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63 virtual void compile_method(ciEnv* env, ciMethod* target, int entry_bci);
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64
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65 // Print compilation timers and statistics
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66 virtual void print_timers();
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67 };
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