c1_Compiler.hpp revision 1472:c18cbe5936b8 
1/*
2 * Copyright (c) 1999, 2007, 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// There is one instance of the Compiler per CompilerThread.
26
27class Compiler: public AbstractCompiler {
28
29 private:
30
31 // Tracks whether runtime has been initialized
32 static volatile int _runtimes;
33
34 // In tiered it is possible for multiple threads to want to do compilation
35 // only one can enter c1 at a time
36 static volatile bool _compiling;
37
38 public:
39  // Creation
40  Compiler();
41  ~Compiler();
42
43  // Name of this compiler
44  virtual const char* name()                     { return "C1"; }
45
46#ifdef TIERED
47  virtual bool is_c1() { return true; };
48#endif // TIERED
49
50
51  // Missing feature tests
52  virtual bool supports_native()                 { return true; }
53  virtual bool supports_osr   ()                 { return true; }
54
55  // Customization
56  virtual bool needs_adapters         ()         { return false; }
57  virtual bool needs_stubs            ()         { return false; }
58
59  // Initialization
60  virtual void initialize();
61
62  // Compilation entry point for methods
63  virtual void compile_method(ciEnv* env, ciMethod* target, int entry_bci);
64
65  // Print compilation timers and statistics
66  virtual void print_timers();
67};
68