compilerOracle.hpp revision 9248:6ab7e19c9220 
1/*
2 * Copyright (c) 1998, 2015, 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
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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  static void print_parse_error(const char*&  error_msg, char* original_line);
39
40 public:
41
42  // True if the command file has been specified or is implicit
43  static bool has_command_file();
44
45  // Reads from file and adds to lists
46  static void parse_from_file();
47
48  // Tells whether we to exclude compilation of method
49  static bool should_exclude(const methodHandle& method, bool& quietly);
50
51  // Tells whether we want to inline this method
52  static bool should_inline(const methodHandle& method);
53
54  // Tells whether we want to disallow inlining of this method
55  static bool should_not_inline(const methodHandle& method);
56
57  // Tells whether we should print the assembly for this method
58  static bool should_print(const methodHandle& method);
59
60  // Tells whether we should log the compilation data for this method
61  static bool should_log(const methodHandle& method);
62
63  // Tells whether to break when compiling method
64  static bool should_break_at(const methodHandle& method);
65
66  // Check to see if this method has option set for it
67  static bool has_option_string(const methodHandle& method, const char * option);
68
69  // Check if method has option and value set. If yes, overwrite value and return true,
70  // otherwise leave value unchanged and return false.
71  template<typename T>
72  static bool has_option_value(const methodHandle& method, const char* option, T& value);
73
74  // Reads from string instead of file
75  static void parse_from_string(const char* command_string, void (*parser)(char*));
76
77  static void parse_from_line(char* line);
78  static void parse_compile_only(char * line);
79
80  // For updating the oracle file
81  static void append_comment_to_file(const char* message);
82  static void append_exclude_to_file(const methodHandle& method);
83
84  // Tells whether there are any methods to print for print_method_statistics()
85  static bool should_print_methods();
86};
87
88#endif // SHARE_VM_COMPILER_COMPILERORACLE_HPP
89