Tue, 05 Apr 2011 14:12:31 -0700
7010070: Update all 2010 Oracle-changed OpenJDK files to have the proper copyright dates - second pass
Summary: Update the copyright to be 2010 on all changed files in OpenJDK
Reviewed-by: ohair
1 /*
2 * Copyright (c) 1999, 2010, 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 */
25 #ifndef SHARE_VM_COMPILER_ABSTRACTCOMPILER_HPP
26 #define SHARE_VM_COMPILER_ABSTRACTCOMPILER_HPP
28 #include "ci/compilerInterface.hpp"
30 typedef void (*initializer)(void);
32 class AbstractCompiler : public CHeapObj {
33 private:
34 bool _is_initialized; // Mark whether compiler object is initialized
36 protected:
37 // Used for tracking global state of compiler runtime initialization
38 enum { uninitialized, initializing, initialized };
40 // This method will call the initialization method "f" once (per compiler class/subclass)
41 // and do so without holding any locks
42 void initialize_runtimes(initializer f, volatile int* state);
44 public:
45 AbstractCompiler() : _is_initialized(false) {}
47 // Name of this compiler
48 virtual const char* name() = 0;
50 // Missing feature tests
51 virtual bool supports_native() { return true; }
52 virtual bool supports_osr () { return true; }
53 #if defined(TIERED) || ( !defined(COMPILER1) && !defined(COMPILER2) && !defined(SHARK))
54 virtual bool is_c1 () { return false; }
55 virtual bool is_c2 () { return false; }
56 virtual bool is_shark() { return false; }
57 #else
58 #ifdef COMPILER1
59 bool is_c1 () { return true; }
60 bool is_c2 () { return false; }
61 bool is_shark() { return false; }
62 #endif // COMPILER1
63 #ifdef COMPILER2
64 bool is_c1 () { return false; }
65 bool is_c2 () { return true; }
66 bool is_shark() { return false; }
67 #endif // COMPILER2
68 #ifdef SHARK
69 bool is_c1 () { return false; }
70 bool is_c2 () { return false; }
71 bool is_shark() { return true; }
72 #endif // SHARK
73 #endif // TIERED
75 // Customization
76 virtual bool needs_stubs () = 0;
78 void mark_initialized() { _is_initialized = true; }
79 bool is_initialized() { return _is_initialized; }
81 virtual void initialize() = 0;
83 // Compilation entry point for methods
84 virtual void compile_method(ciEnv* env,
85 ciMethod* target,
86 int entry_bci) {
87 ShouldNotReachHere();
88 }
91 // Print compilation timers and statistics
92 virtual void print_timers() {
93 ShouldNotReachHere();
94 }
95 };
97 #endif // SHARE_VM_COMPILER_ABSTRACTCOMPILER_HPP