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comparison: src/share/vm/compiler/abstractCompiler.hpp
src/share/vm/compiler/abstractCompiler.hpp
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| 1 /* | |
| 2 * Copyright (c) 1999, 2013, Oracle and/or its affiliates. All rights reserved. | |
| 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. | |
| 4 * | |
| 5 * This code is free software; you can redistribute it and/or modify it | |
| 6 * under the terms of the GNU General Public License version 2 only, as | |
| 7 * published by the Free Software Foundation. | |
| 8 * | |
| 9 * This code is distributed in the hope that it will be useful, but WITHOUT | |
| 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 12 * version 2 for more details (a copy is included in the LICENSE file that | |
| 13 * accompanied this code). | |
| 14 * | |
| 15 * You should have received a copy of the GNU General Public License version | |
| 16 * 2 along with this work; if not, write to the Free Software Foundation, | |
| 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
| 18 * | |
| 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA | |
| 20 * or visit www.oracle.com if you need additional information or have any | |
| 21 * questions. | |
| 22 * | |
| 23 */ | |
| 24 | |
| 25 #ifndef SHARE_VM_COMPILER_ABSTRACTCOMPILER_HPP | |
| 26 #define SHARE_VM_COMPILER_ABSTRACTCOMPILER_HPP | |
| 27 | |
| 28 #include "ci/compilerInterface.hpp" | |
| 29 | |
| 30 class AbstractCompiler : public CHeapObj<mtCompiler> { | |
| 31 private: | |
| 32 volatile int _num_compiler_threads; | |
| 33 | |
| 34 protected: | |
| 35 volatile int _compiler_state; | |
| 36 // Used for tracking global state of compiler runtime initialization | |
| 37 enum { uninitialized, initializing, initialized, failed, shut_down }; | |
| 38 | |
| 39 // This method returns true for the first compiler thread that reaches that methods. | |
| 40 // This thread will initialize the compiler runtime. | |
| 41 bool should_perform_init(); | |
| 42 | |
| 43 public: | |
| 44 AbstractCompiler() : _compiler_state(uninitialized), _num_compiler_threads(0) {} | |
| 45 | |
| 46 // This function determines the compiler thread that will perform the | |
| 47 // shutdown of the corresponding compiler runtime. | |
| 48 bool should_perform_shutdown(); | |
| 49 | |
| 50 // Name of this compiler | |
| 51 virtual const char* name() = 0; | |
| 52 | |
| 53 // Missing feature tests | |
| 54 virtual bool supports_native() { return true; } | |
| 55 virtual bool supports_osr () { return true; } | |
| 56 virtual bool can_compile_method(methodHandle method) { return true; } | |
| 57 #if defined(TIERED) || ( !defined(COMPILER1) && !defined(COMPILER2) && !defined(SHARK)) | |
| 58 virtual bool is_c1 () { return false; } | |
| 59 virtual bool is_c2 () { return false; } | |
| 60 virtual bool is_shark() { return false; } | |
| 61 #else | |
| 62 #ifdef COMPILER1 | |
| 63 bool is_c1 () { return true; } | |
| 64 bool is_c2 () { return false; } | |
| 65 bool is_shark() { return false; } | |
| 66 #endif // COMPILER1 | |
| 67 #ifdef COMPILER2 | |
| 68 bool is_c1 () { return false; } | |
| 69 bool is_c2 () { return true; } | |
| 70 bool is_shark() { return false; } | |
| 71 #endif // COMPILER2 | |
| 72 #ifdef SHARK | |
| 73 bool is_c1 () { return false; } | |
| 74 bool is_c2 () { return false; } | |
| 75 bool is_shark() { return true; } | |
| 76 #endif // SHARK | |
| 77 #endif // TIERED | |
| 78 | |
| 79 // Customization | |
| 80 virtual void initialize () = 0; | |
| 81 | |
| 82 void set_num_compiler_threads(int num) { _num_compiler_threads = num; } | |
| 83 int num_compiler_threads() { return _num_compiler_threads; } | |
| 84 | |
| 85 // Get/set state of compiler objects | |
| 86 bool is_initialized() { return _compiler_state == initialized; } | |
| 87 bool is_failed () { return _compiler_state == failed;} | |
| 88 void set_state (int state); | |
| 89 void set_shut_down () { set_state(shut_down); } | |
| 90 // Compilation entry point for methods | |
| 91 virtual void compile_method(ciEnv* env, ciMethod* target, int entry_bci) { | |
| 92 ShouldNotReachHere(); | |
| 93 } | |
| 94 | |
| 95 | |
| 96 // Print compilation timers and statistics | |
| 97 virtual void print_timers() { | |
| 98 ShouldNotReachHere(); | |
| 99 } | |
| 100 }; | |
| 101 | |
| 102 #endif // SHARE_VM_COMPILER_ABSTRACTCOMPILER_HPP |
