Mercurial > hg > graal-compiler
annotate src/share/vm/compiler/abstractCompiler.hpp @ 1755:8e5955ddf8e4
6978300: G1: debug builds crash if ParallelGCThreads==0
Reviewed-by: tonyp, ysr
author | jcoomes |
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date | Wed, 25 Aug 2010 14:39:55 -0700 |
parents | d2ede61b7a12 |
children | 2d26b0046e0d f95d63e2154a |
rev | line source |
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0 | 1 /* |
1692 | 2 * Copyright (c) 1999, 2010, 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 | |
25 typedef void (*initializer)(void); | |
26 | |
27 class AbstractCompiler : public CHeapObj { | |
28 private: | |
29 bool _is_initialized; // Mark whether compiler object is initialized | |
30 | |
31 protected: | |
32 // Used for tracking global state of compiler runtime initialization | |
33 enum { uninitialized, initializing, initialized }; | |
34 | |
35 // This method will call the initialization method "f" once (per compiler class/subclass) | |
36 // and do so without holding any locks | |
37 void initialize_runtimes(initializer f, volatile int* state); | |
38 | |
39 public: | |
40 AbstractCompiler() : _is_initialized(false) {} | |
41 | |
42 // Name of this compiler | |
43 virtual const char* name() = 0; | |
44 | |
45 // Missing feature tests | |
46 virtual bool supports_native() { return true; } | |
47 virtual bool supports_osr () { return true; } | |
1692 | 48 #if defined(TIERED) || ( !defined(COMPILER1) && !defined(COMPILER2) && !defined(SHARK)) |
0 | 49 virtual bool is_c1 () { return false; } |
50 virtual bool is_c2 () { return false; } | |
1692 | 51 virtual bool is_shark() { return false; } |
0 | 52 #else |
53 #ifdef COMPILER1 | |
54 bool is_c1 () { return true; } | |
55 bool is_c2 () { return false; } | |
1692 | 56 bool is_shark() { return false; } |
0 | 57 #endif // COMPILER1 |
58 #ifdef COMPILER2 | |
59 bool is_c1 () { return false; } | |
60 bool is_c2 () { return true; } | |
1692 | 61 bool is_shark() { return false; } |
0 | 62 #endif // COMPILER2 |
1692 | 63 #ifdef SHARK |
64 bool is_c1 () { return false; } | |
65 bool is_c2 () { return false; } | |
66 bool is_shark() { return true; } | |
67 #endif // SHARK | |
0 | 68 #endif // TIERED |
69 | |
70 // Customization | |
71 virtual bool needs_stubs () = 0; | |
72 | |
73 void mark_initialized() { _is_initialized = true; } | |
74 bool is_initialized() { return _is_initialized; } | |
75 | |
76 virtual void initialize() = 0; | |
77 | |
78 // Compilation entry point for methods | |
79 virtual void compile_method(ciEnv* env, | |
80 ciMethod* target, | |
81 int entry_bci) { | |
82 ShouldNotReachHere(); | |
83 } | |
84 | |
85 | |
86 // Print compilation timers and statistics | |
87 virtual void print_timers() { | |
88 ShouldNotReachHere(); | |
89 } | |
90 }; |