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annotate 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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1 /*
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2 * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved.
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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4 *
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5 * This code is free software; you can redistribute it and/or modify it
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6 * under the terms of the GNU General Public License version 2 only, as
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7 * published by the Free Software Foundation.
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8 *
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9 * This code is distributed in the hope that it will be useful, but WITHOUT
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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12 * version 2 for more details (a copy is included in the LICENSE file that
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13 * accompanied this code).
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14 *
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15 * You should have received a copy of the GNU General Public License version
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16 * 2 along with this work; if not, write to the Free Software Foundation,
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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18 *
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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20 * or visit www.oracle.com if you need additional information or have any
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21 * questions.
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22 */
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23
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24 #ifndef SHARE_VM_JVMCI_JVMCI_OPTIONS_HPP
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25 #define SHARE_VM_JVMCI_JVMCI_OPTIONS_HPP
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26
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27 #include "memory/allocation.hpp"
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28 #include "utilities/exceptions.hpp"
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29 #include "jvmci/jvmciHashtable.hpp"
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31 #define PRINT_FLAGS_ARG "PrintFlags"
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32 #define PRINT_FLAGS_HELP "Prints all JVMCI flags (similar to XX's PrintFlagsFinal)"
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33
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34 enum OptionType {
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35 _string,
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36 _int,
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37 _long,
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38 _float,
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39 _double,
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40 _boolean
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41 };
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42
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43 struct OptionDesc {
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44 const char* name;
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45 const char* help;
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46 OptionType type;
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47 const char* declaringClass;
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48 const char* fieldClass;
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49 };
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50
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51 inline unsigned int compute_string_hash(const char *s, int n) {
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52 unsigned int val = 0;
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53 while (--n >= 0) {
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54 val = *s++ + 31 * val;
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55 }
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56 return val;
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57 }
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58
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59 class OptionsTable : public JVMCIHashtable<const char*, OptionDesc> {
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60 protected:
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61 unsigned int compute_hash(const char* key) { return compute_string_hash(key, strlen(key)); }
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62 bool key_equals(const char* k1, const char* k2) { return strcmp(k1, k2) == 0; }
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63 const char* get_key(OptionDesc value) { return value.name; } ;
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64 const char* get_key(OptionDesc* value) { return value->name; } ;
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65 public:
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66 OptionsTable() : JVMCIHashtable<const char*, OptionDesc>(100) {}
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67 ~OptionsTable();
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68 using JVMCIHashtable<const char*, OptionDesc>::get;
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69 OptionDesc* get(const char* name, size_t arglen);
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70 OptionDesc * fuzzy_match(const char* name, size_t length);
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71
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72 static OptionsTable* load_options();
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73 };
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74
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75 struct OptionValue {
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76 OptionDesc desc;
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77 union {
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78 const char* string_value;
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79 jint int_value;
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80 jlong long_value;
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81 jfloat float_value;
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82 jdouble double_value;
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83 jboolean boolean_value;
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84 };
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85 };
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86
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87 class OptionsValueTable : public JVMCIHashtable<const char*, OptionValue> {
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88 OptionsTable* _table;
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89 protected:
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90 unsigned int compute_hash(const char* key) { return compute_string_hash(key, strlen(key)); }
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91 bool key_equals(const char* k1, const char* k2) { return strcmp(k1, k2) == 0; }
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92 const char* get_key(OptionValue value) { return value.desc.name; } ;
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93 const char* get_key(OptionValue* value) { return value->desc.name; } ;
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94 public:
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95 OptionsValueTable(OptionsTable* table) : _table(table), JVMCIHashtable<const char*, OptionValue>(100) {}
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96 ~OptionsValueTable();
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97 using JVMCIHashtable<const char*, OptionValue>::get;
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98 OptionValue* get(const char* name, size_t arglen);
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99 OptionsTable* options_table() { return _table; }
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100 };
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101
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102
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103 #endif // SHARE_VM_JVMCI_JVMCI_OPTIONS_HPP