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comparison src/share/vm/jvmci/jvmciOptions.hpp @ 21562:47bebae7454f

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Merge.
author Doug Simon <doug.simon@oracle.com>
date Thu, 28 May 2015 21:58:33 +0200
parents src/share/vm/graal/graalOptions.hpp@cecb4e39521c
children 59c3f921e454
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21561:ce2113326bc8 21562:47bebae7454f
1 /*
2 * Copyright (c) 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
21 * questions.
22 */
23
24 #ifndef SHARE_VM_JVMCI_JVMCI_OPTIONS_HPP
25 #define SHARE_VM_JVMCI_JVMCI_OPTIONS_HPP
26
27 #include "memory/allocation.hpp"
28 #include "utilities/exceptions.hpp"
29 #include "jvmci/jvmciHashtable.hpp"
30
31 #define PRINT_FLAGS_ARG "PrintFlags"
32 #define PRINT_FLAGS_HELP "Prints all JVMCI flags (similar to XX's PrintFlagsFinal)"
33
34 enum OptionType {
35 _string,
36 _int,
37 _long,
38 _float,
39 _double,
40 _boolean
41 };
42
43 struct OptionDesc {
44 const char* name;
45 const char* help;
46 OptionType type;
47 const char* declaringClass;
48 const char* fieldClass;
49 };
50
51 inline unsigned int compute_string_hash(const char *s, int n) {
52 unsigned int val = 0;
53 while (--n >= 0) {
54 val = *s++ + 31 * val;
55 }
56 return val;
57 }
58
59 class OptionsTable : public JVMCIHashtable<const char*, OptionDesc> {
60 protected:
61 unsigned int compute_hash(const char* key) { return compute_string_hash(key, strlen(key)); }
62 bool key_equals(const char* k1, const char* k2) { return strcmp(k1, k2) == 0; }
63 const char* get_key(OptionDesc value) { return value.name; } ;
64 const char* get_key(OptionDesc* value) { return value->name; } ;
65 public:
66 OptionsTable() : JVMCIHashtable<const char*, OptionDesc>(100) {}
67 ~OptionsTable();
68 using JVMCIHashtable<const char*, OptionDesc>::get;
69 OptionDesc* get(const char* name, size_t arglen);
70 OptionDesc * fuzzy_match(const char* name, size_t length);
71
72 static OptionsTable* load_options();
73 };
74
75 struct OptionValue {
76 OptionDesc desc;
77 union {
78 const char* string_value;
79 jint int_value;
80 jlong long_value;
81 jfloat float_value;
82 jdouble double_value;
83 jboolean boolean_value;
84 };
85 };
86
87 class OptionsValueTable : public JVMCIHashtable<const char*, OptionValue> {
88 OptionsTable* _table;
89 protected:
90 unsigned int compute_hash(const char* key) { return compute_string_hash(key, strlen(key)); }
91 bool key_equals(const char* k1, const char* k2) { return strcmp(k1, k2) == 0; }
92 const char* get_key(OptionValue value) { return value.desc.name; } ;
93 const char* get_key(OptionValue* value) { return value->desc.name; } ;
94 public:
95 OptionsValueTable(OptionsTable* table) : _table(table), JVMCIHashtable<const char*, OptionValue>(100) {}
96 ~OptionsValueTable();
97 using JVMCIHashtable<const char*, OptionValue>::get;
98 OptionValue* get(const char* name, size_t arglen);
99 OptionsTable* options_table() { return _table; }
100 };
101
102
103 #endif // SHARE_VM_JVMCI_JVMCI_OPTIONS_HPP