compilerOracle.hpp revision 7680:c317b661544d 
1/*
2 * Copyright (c) 1998, 2014, 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_COMPILERORACLE_HPP
26#define SHARE_VM_COMPILER_COMPILERORACLE_HPP
27
28#include "memory/allocation.hpp"
29#include "oops/oopsHierarchy.hpp"
30
31// CompilerOracle is an interface for turning on and off compilation
32// for some methods
33
34class CompilerOracle : AllStatic {
35 private:
36  static bool _quiet;
37  static void print_tip();
38
39 public:
40
41  // True if the command file has been specified or is implicit
42  static bool has_command_file();
43
44  // Reads from file and adds to lists
45  static void parse_from_file();
46
47  // Tells whether we to exclude compilation of method
48  static bool should_exclude(methodHandle method, bool& quietly);
49
50  // Tells whether we want to inline this method
51  static bool should_inline(methodHandle method);
52
53  // Tells whether we want to disallow inlining of this method
54  static bool should_not_inline(methodHandle method);
55
56  // Tells whether we should print the assembly for this method
57  static bool should_print(methodHandle method);
58
59  // Tells whether we should log the compilation data for this method
60  static bool should_log(methodHandle method);
61
62  // Tells whether to break when compiling method
63  static bool should_break_at(methodHandle method);
64
65  // Check to see if this method has option set for it
66  static bool has_option_string(methodHandle method, const char * option);
67
68  // Check if method has option and value set. If yes, overwrite value and return true,
69  // otherwise leave value unchanged and return false.
70  template<typename T>
71  static bool has_option_value(methodHandle method, const char* option, T& value);
72
73  // Reads from string instead of file
74  static void parse_from_string(const char* command_string, void (*parser)(char*));
75
76  static void parse_from_line(char* line);
77  static void parse_compile_only(char * line);
78
79  // For updating the oracle file
80  static void append_comment_to_file(const char* message);
81  static void append_exclude_to_file(methodHandle method);
82
83  // Tells whether there are any methods to print for print_method_statistics()
84  static bool should_print_methods();
85};
86
87#endif // SHARE_VM_COMPILER_COMPILERORACLE_HPP
88