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annotate src/share/vm/compiler/abstractCompiler.hpp @ 13018:fc1632f5021a
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author | iveresov |
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date | Mon, 28 Oct 2013 17:32:02 -0700 |
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0 | 1 /* |
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2 * Copyright (c) 1999, 2012, Oracle and/or its affiliates. All rights reserved. |
0 | 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 * | |
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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20 * or visit www.oracle.com if you need additional information or have any |
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21 * questions. |
0 | 22 * |
23 */ | |
24 | |
1972 | 25 #ifndef SHARE_VM_COMPILER_ABSTRACTCOMPILER_HPP |
26 #define SHARE_VM_COMPILER_ABSTRACTCOMPILER_HPP | |
27 | |
28 #include "ci/compilerInterface.hpp" | |
29 | |
6197 | 30 class AbstractCompiler : public CHeapObj<mtCompiler> { |
0 | 31 private: |
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32 volatile int _num_compiler_threads; |
0 | 33 |
34 protected: | |
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35 volatile int _compiler_state; |
0 | 36 // Used for tracking global state of compiler runtime initialization |
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37 enum { uninitialized, initializing, initialized, failed, shut_down }; |
0 | 38 |
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39 // This method returns true for the first compiler thread that reaches that methods. |
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40 // This thread will initialize the compiler runtime. |
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41 bool should_perform_init(); |
0 | 42 |
43 public: | |
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44 AbstractCompiler() : _compiler_state(uninitialized), _num_compiler_threads(0) {} |
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45 |
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46 // This function determines the compiler thread that will perform the |
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47 // shutdown of the corresponding compiler runtime. |
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48 bool should_perform_shutdown(); |
0 | 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; } | |
7601 | 56 virtual bool can_compile_method(methodHandle method) { return true; } |
1692 | 57 #if defined(TIERED) || ( !defined(COMPILER1) && !defined(COMPILER2) && !defined(SHARK)) |
0 | 58 virtual bool is_c1 () { return false; } |
59 virtual bool is_c2 () { return false; } | |
1692 | 60 virtual bool is_shark() { return false; } |
0 | 61 #else |
62 #ifdef COMPILER1 | |
63 bool is_c1 () { return true; } | |
64 bool is_c2 () { return false; } | |
1692 | 65 bool is_shark() { return false; } |
0 | 66 #endif // COMPILER1 |
67 #ifdef COMPILER2 | |
68 bool is_c1 () { return false; } | |
69 bool is_c2 () { return true; } | |
1692 | 70 bool is_shark() { return false; } |
0 | 71 #endif // COMPILER2 |
1692 | 72 #ifdef SHARK |
73 bool is_c1 () { return false; } | |
74 bool is_c2 () { return false; } | |
75 bool is_shark() { return true; } | |
76 #endif // SHARK | |
0 | 77 #endif // TIERED |
78 | |
79 // Customization | |
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80 virtual void initialize () = 0; |
0 | 81 |
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82 void set_num_compiler_threads(int num) { _num_compiler_threads = num; } |
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83 int num_compiler_threads() { return _num_compiler_threads; } |
0 | 84 |
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85 // Get/set state of compiler objects |
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86 bool is_initialized() { return _compiler_state == initialized; } |
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87 bool is_failed () { return _compiler_state == failed;} |
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88 void set_state (int state); |
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89 void set_shut_down () { set_state(shut_down); } |
0 | 90 // Compilation entry point for methods |
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91 virtual void compile_method(ciEnv* env, ciMethod* target, int entry_bci) { |
0 | 92 ShouldNotReachHere(); |
93 } | |
94 | |
95 | |
96 // Print compilation timers and statistics | |
97 virtual void print_timers() { | |
98 ShouldNotReachHere(); | |
99 } | |
100 }; | |
1972 | 101 |
102 #endif // SHARE_VM_COMPILER_ABSTRACTCOMPILER_HPP |