Mercurial > hg > graal-compiler

annotate src/share/vm/runtime/globals.cpp @ 18096:ca6d25be853b jdk8u25-b13

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8044269: Analysis of archive files. Summary: Add checksum verification. Reviewed-by: iklam, dholmes, mschoene
author jiangli
date Tue, 12 Aug 2014 17:46:16 -0400
parents 78bbf4d43a14
children 52b4284cb496 009de2b033fc
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1 /*
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2 * Copyright (c) 1997, 2014, 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
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25 #include "precompiled.hpp"
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26 #include "memory/allocation.inline.hpp"
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27 #include "oops/oop.inline.hpp"
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28 #include "runtime/arguments.hpp"
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29 #include "runtime/globals.hpp"
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30 #include "runtime/globals_extension.hpp"
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31 #include "utilities/ostream.hpp"
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32 #include "utilities/macros.hpp"
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33 #include "utilities/top.hpp"
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34 #include "trace/tracing.hpp"
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35 #if INCLUDE_ALL_GCS
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36 #include "gc_implementation/g1/g1_globals.hpp"
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37 #endif // INCLUDE_ALL_GCS
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38 #ifdef COMPILER1
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39 #include "c1/c1_globals.hpp"
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40 #endif
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41 #ifdef COMPILER2
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42 #include "opto/c2_globals.hpp"
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43 #endif
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44 #ifdef SHARK
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45 #include "shark/shark_globals.hpp"
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46 #endif
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47
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48 PRAGMA_FORMAT_MUTE_WARNINGS_FOR_GCC
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49
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50 RUNTIME_FLAGS(MATERIALIZE_DEVELOPER_FLAG, MATERIALIZE_PD_DEVELOPER_FLAG, \
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51 MATERIALIZE_PRODUCT_FLAG, MATERIALIZE_PD_PRODUCT_FLAG, \
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52 MATERIALIZE_DIAGNOSTIC_FLAG, MATERIALIZE_EXPERIMENTAL_FLAG, \
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53 MATERIALIZE_NOTPRODUCT_FLAG, \
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54 MATERIALIZE_MANAGEABLE_FLAG, MATERIALIZE_PRODUCT_RW_FLAG, \
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55 MATERIALIZE_LP64_PRODUCT_FLAG)
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56
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57 RUNTIME_OS_FLAGS(MATERIALIZE_DEVELOPER_FLAG, MATERIALIZE_PD_DEVELOPER_FLAG, \
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58 MATERIALIZE_PRODUCT_FLAG, MATERIALIZE_PD_PRODUCT_FLAG, \
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59 MATERIALIZE_DIAGNOSTIC_FLAG, MATERIALIZE_NOTPRODUCT_FLAG)
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60
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61 ARCH_FLAGS(MATERIALIZE_DEVELOPER_FLAG, MATERIALIZE_PRODUCT_FLAG, \
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62 MATERIALIZE_DIAGNOSTIC_FLAG, MATERIALIZE_EXPERIMENTAL_FLAG, \
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63 MATERIALIZE_NOTPRODUCT_FLAG)
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64
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65 MATERIALIZE_FLAGS_EXT
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66
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67
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68 static bool is_product_build() {
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69 #ifdef PRODUCT
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70 return true;
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71 #else
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72 return false;
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73 #endif
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74 }
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75
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76 void Flag::check_writable() {
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77 if (is_constant_in_binary()) {
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78 fatal(err_msg("flag is constant: %s", _name));
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79 }
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80 }
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81
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82 bool Flag::is_bool() const {
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83 return strcmp(_type, "bool") == 0;
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84 }
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85
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86 bool Flag::get_bool() const {
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87 return *((bool*) _addr);
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88 }
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89
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90 void Flag::set_bool(bool value) {
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91 check_writable();
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92 *((bool*) _addr) = value;
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93 }
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94
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95 bool Flag::is_intx() const {
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96 return strcmp(_type, "intx") == 0;
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97 }
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98
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99 intx Flag::get_intx() const {
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100 return *((intx*) _addr);
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101 }
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102
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103 void Flag::set_intx(intx value) {
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104 check_writable();
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105 *((intx*) _addr) = value;
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106 }
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107
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108 bool Flag::is_uintx() const {
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109 return strcmp(_type, "uintx") == 0;
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110 }
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111
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112 uintx Flag::get_uintx() const {
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113 return *((uintx*) _addr);
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114 }
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115
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116 void Flag::set_uintx(uintx value) {
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117 check_writable();
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118 *((uintx*) _addr) = value;
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119 }
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120
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121 bool Flag::is_uint64_t() const {
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122 return strcmp(_type, "uint64_t") == 0;
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123 }
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124
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125 uint64_t Flag::get_uint64_t() const {
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126 return *((uint64_t*) _addr);
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127 }
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128
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129 void Flag::set_uint64_t(uint64_t value) {
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130 check_writable();
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131 *((uint64_t*) _addr) = value;
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132 }
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133
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134 bool Flag::is_double() const {
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135 return strcmp(_type, "double") == 0;
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136 }
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137
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138 double Flag::get_double() const {
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139 return *((double*) _addr);
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140 }
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141
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142 void Flag::set_double(double value) {
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143 check_writable();
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144 *((double*) _addr) = value;
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145 }
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146
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147 bool Flag::is_ccstr() const {
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148 return strcmp(_type, "ccstr") == 0 || strcmp(_type, "ccstrlist") == 0;
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149 }
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150
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151 bool Flag::ccstr_accumulates() const {
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152 return strcmp(_type, "ccstrlist") == 0;
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153 }
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154
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155 ccstr Flag::get_ccstr() const {
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156 return *((ccstr*) _addr);
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157 }
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158
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159 void Flag::set_ccstr(ccstr value) {
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160 check_writable();
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161 *((ccstr*) _addr) = value;
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162 }
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163
72b7e96c1922 8024545: make develop and notproduct flag values available in product builds
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164
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165 Flag::Flags Flag::get_origin() {
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166 return Flags(_flags & VALUE_ORIGIN_MASK);
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167 }
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168
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169 void Flag::set_origin(Flags origin) {
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170 assert((origin & VALUE_ORIGIN_MASK) == origin, "sanity");
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171 _flags = Flags((_flags & ~VALUE_ORIGIN_MASK) | origin);
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172 }
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173
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diff changeset
174 bool Flag::is_default() {
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diff changeset
175 return (get_origin() == DEFAULT);
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176 }
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177
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178 bool Flag::is_ergonomic() {
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179 return (get_origin() == ERGONOMIC);
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180 }
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181
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182 bool Flag::is_command_line() {
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183 return (get_origin() == COMMAND_LINE);
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184 }
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185
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186 bool Flag::is_product() const {
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187 return (_flags & KIND_PRODUCT) != 0;
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188 }
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189
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190 bool Flag::is_manageable() const {
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191 return (_flags & KIND_MANAGEABLE) != 0;
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192 }
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193
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194 bool Flag::is_diagnostic() const {
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195 return (_flags & KIND_DIAGNOSTIC) != 0;
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196 }
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197
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198 bool Flag::is_experimental() const {
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199 return (_flags & KIND_EXPERIMENTAL) != 0;
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200 }
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201
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202 bool Flag::is_notproduct() const {
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203 return (_flags & KIND_NOT_PRODUCT) != 0;
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204 }
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205
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206 bool Flag::is_develop() const {
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207 return (_flags & KIND_DEVELOP) != 0;
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208 }
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209
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210 bool Flag::is_read_write() const {
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211 return (_flags & KIND_READ_WRITE) != 0;
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212 }
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213
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214 bool Flag::is_commercial() const {
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215 return (_flags & KIND_COMMERCIAL) != 0;
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216 }
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217
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218 /**
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219 * Returns if this flag is a constant in the binary. Right now this is
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220 * true for notproduct and develop flags in product builds.
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221 */
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222 bool Flag::is_constant_in_binary() const {
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223 #ifdef PRODUCT
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224 return is_notproduct() || is_develop();
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225 #else
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226 return false;
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diff changeset
227 #endif
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228 }
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229
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230 bool Flag::is_unlocker() const {
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231 return strcmp(_name, "UnlockDiagnosticVMOptions") == 0 ||
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232 strcmp(_name, "UnlockExperimentalVMOptions") == 0 ||
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233 is_unlocker_ext();
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234 }
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235
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236 bool Flag::is_unlocked() const {
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237 if (is_diagnostic()) {
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238 return UnlockDiagnosticVMOptions;
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239 }
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diff changeset
240 if (is_experimental()) {
350
d28aa69f0959 6618726: Introduce -XX:+UnlockExperimentalVMOptions flag
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diff changeset
241 return UnlockExperimentalVMOptions;
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242 }
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243 return is_unlocked_ext();
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244 }
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245
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246 // Get custom message for this locked flag, or return NULL if
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247 // none is available.
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248 void Flag::get_locked_message(char* buf, int buflen) const {
17667
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249 buf[0] = '\0';
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250 if (is_diagnostic() && !is_unlocked()) {
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diff changeset
251 jio_snprintf(buf, buflen, "Error: VM option '%s' is diagnostic and must be enabled via -XX:+UnlockDiagnosticVMOptions.\n",
cd7a42c7be06 8027314: Java should recognize Diagnostic options if -XX:+UnlockDiagnosticVMOptions is not specified and print an informative message
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252 _name);
cd7a42c7be06 8027314: Java should recognize Diagnostic options if -XX:+UnlockDiagnosticVMOptions is not specified and print an informative message
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253 return;
cd7a42c7be06 8027314: Java should recognize Diagnostic options if -XX:+UnlockDiagnosticVMOptions is not specified and print an informative message
ccheung
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diff changeset
254 }
cd7a42c7be06 8027314: Java should recognize Diagnostic options if -XX:+UnlockDiagnosticVMOptions is not specified and print an informative message
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diff changeset
255 if (is_experimental() && !is_unlocked()) {
cd7a42c7be06 8027314: Java should recognize Diagnostic options if -XX:+UnlockDiagnosticVMOptions is not specified and print an informative message
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parents: 13392
diff changeset
256 jio_snprintf(buf, buflen, "Error: VM option '%s' is experimental and must be enabled via -XX:+UnlockExperimentalVMOptions.\n",
cd7a42c7be06 8027314: Java should recognize Diagnostic options if -XX:+UnlockDiagnosticVMOptions is not specified and print an informative message
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diff changeset
257 _name);
cd7a42c7be06 8027314: Java should recognize Diagnostic options if -XX:+UnlockDiagnosticVMOptions is not specified and print an informative message
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diff changeset
258 return;
cd7a42c7be06 8027314: Java should recognize Diagnostic options if -XX:+UnlockDiagnosticVMOptions is not specified and print an informative message
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diff changeset
259 }
cd7a42c7be06 8027314: Java should recognize Diagnostic options if -XX:+UnlockDiagnosticVMOptions is not specified and print an informative message
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diff changeset
260 if (is_develop() && is_product_build()) {
cd7a42c7be06 8027314: Java should recognize Diagnostic options if -XX:+UnlockDiagnosticVMOptions is not specified and print an informative message
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diff changeset
261 jio_snprintf(buf, buflen, "Error: VM option '%s' is develop and is available only in debug version of VM.\n",
cd7a42c7be06 8027314: Java should recognize Diagnostic options if -XX:+UnlockDiagnosticVMOptions is not specified and print an informative message
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diff changeset
262 _name);
cd7a42c7be06 8027314: Java should recognize Diagnostic options if -XX:+UnlockDiagnosticVMOptions is not specified and print an informative message
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diff changeset
263 return;
cd7a42c7be06 8027314: Java should recognize Diagnostic options if -XX:+UnlockDiagnosticVMOptions is not specified and print an informative message
ccheung
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diff changeset
264 }
cd7a42c7be06 8027314: Java should recognize Diagnostic options if -XX:+UnlockDiagnosticVMOptions is not specified and print an informative message
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diff changeset
265 if (is_notproduct() && is_product_build()) {
cd7a42c7be06 8027314: Java should recognize Diagnostic options if -XX:+UnlockDiagnosticVMOptions is not specified and print an informative message
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diff changeset
266 jio_snprintf(buf, buflen, "Error: VM option '%s' is notproduct and is available only in debug version of VM.\n",
cd7a42c7be06 8027314: Java should recognize Diagnostic options if -XX:+UnlockDiagnosticVMOptions is not specified and print an informative message
ccheung
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diff changeset
267 _name);
cd7a42c7be06 8027314: Java should recognize Diagnostic options if -XX:+UnlockDiagnosticVMOptions is not specified and print an informative message
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diff changeset
268 return;
cd7a42c7be06 8027314: Java should recognize Diagnostic options if -XX:+UnlockDiagnosticVMOptions is not specified and print an informative message
ccheung
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diff changeset
269 }
5947
80fe40862b02 7144328: Improper commandlines for -XX:+-UnlockCommercialFeatures require proper warning/error messages
jmelvin
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diff changeset
270 get_locked_message_ext(buf, buflen);
80fe40862b02 7144328: Improper commandlines for -XX:+-UnlockCommercialFeatures require proper warning/error messages
jmelvin
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diff changeset
271 }
80fe40862b02 7144328: Improper commandlines for -XX:+-UnlockCommercialFeatures require proper warning/error messages
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diff changeset
272
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273 bool Flag::is_writeable() const {
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diff changeset
274 return is_manageable() || (is_product() && is_read_write()) || is_writeable_ext();
0
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275 }
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276
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6c995c08526c 7122880: Extend vendor-specific command interface to include manageable switches
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277 // All flags except "manageable" are assumed to be internal flags.
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diff changeset
278 // Long term, we need to define a mechanism to specify which flags
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diff changeset
279 // are external/stable and change this function accordingly.
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diff changeset
280 bool Flag::is_external() const {
12322
72b7e96c1922 8024545: make develop and notproduct flag values available in product builds
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diff changeset
281 return is_manageable() || is_external_ext();
0
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282 }
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283
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diff changeset
284
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diff changeset
285 // Length of format string (e.g. "%.1234s") for printing ccstr below
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286 #define FORMAT_BUFFER_LEN 16
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diff changeset
287
17937
78bbf4d43a14 8037816: Fix for 8036122 breaks build with Xcode5/clang
drchase
parents: 17834
diff changeset
288 PRAGMA_FORMAT_NONLITERAL_IGNORED_EXTERNAL
1768
6ee479178066 6979444: add command line option to print command line flags descriptions
ikrylov
parents: 1692
diff changeset
289 void Flag::print_on(outputStream* st, bool withComments) {
12322
72b7e96c1922 8024545: make develop and notproduct flag values available in product builds
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diff changeset
290 // Don't print notproduct and develop flags in a product build.
72b7e96c1922 8024545: make develop and notproduct flag values available in product builds
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diff changeset
291 if (is_constant_in_binary()) {
72b7e96c1922 8024545: make develop and notproduct flag values available in product builds
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diff changeset
292 return;
72b7e96c1922 8024545: make develop and notproduct flag values available in product builds
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diff changeset
293 }
72b7e96c1922 8024545: make develop and notproduct flag values available in product builds
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diff changeset
294
72b7e96c1922 8024545: make develop and notproduct flag values available in product builds
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diff changeset
295 st->print("%9s %-40s %c= ", _type, _name, (!is_default() ? ':' : ' '));
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6ee479178066 6979444: add command line option to print command line flags descriptions
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parents: 1692
diff changeset
296
12322
72b7e96c1922 8024545: make develop and notproduct flag values available in product builds
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diff changeset
297 if (is_bool()) {
72b7e96c1922 8024545: make develop and notproduct flag values available in product builds
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diff changeset
298 st->print("%-16s", get_bool() ? "true" : "false");
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diff changeset
299 }
72b7e96c1922 8024545: make develop and notproduct flag values available in product builds
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diff changeset
300 if (is_intx()) {
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diff changeset
301 st->print("%-16ld", get_intx());
72b7e96c1922 8024545: make develop and notproduct flag values available in product builds
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diff changeset
302 }
72b7e96c1922 8024545: make develop and notproduct flag values available in product builds
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diff changeset
303 if (is_uintx()) {
72b7e96c1922 8024545: make develop and notproduct flag values available in product builds
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diff changeset
304 st->print("%-16lu", get_uintx());
72b7e96c1922 8024545: make develop and notproduct flag values available in product builds
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diff changeset
305 }
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diff changeset
306 if (is_uint64_t()) {
72b7e96c1922 8024545: make develop and notproduct flag values available in product builds
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diff changeset
307 st->print("%-16lu", get_uint64_t());
72b7e96c1922 8024545: make develop and notproduct flag values available in product builds
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diff changeset
308 }
72b7e96c1922 8024545: make develop and notproduct flag values available in product builds
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diff changeset
309 if (is_double()) {
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diff changeset
310 st->print("%-16f", get_double());
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diff changeset
311 }
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312 if (is_ccstr()) {
12322
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diff changeset
313 const char* cp = get_ccstr();
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diff changeset
314 if (cp != NULL) {
72b7e96c1922 8024545: make develop and notproduct flag values available in product builds
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diff changeset
315 const char* eol;
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diff changeset
316 while ((eol = strchr(cp, '\n')) != NULL) {
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diff changeset
317 char format_buffer[FORMAT_BUFFER_LEN];
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diff changeset
318 size_t llen = pointer_delta(eol, cp, sizeof(char));
72b7e96c1922 8024545: make develop and notproduct flag values available in product builds
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diff changeset
319 jio_snprintf(format_buffer, FORMAT_BUFFER_LEN,
72b7e96c1922 8024545: make develop and notproduct flag values available in product builds
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diff changeset
320 "%%." SIZE_FORMAT "s", llen);
17937
78bbf4d43a14 8037816: Fix for 8036122 breaks build with Xcode5/clang
drchase
parents: 17834
diff changeset
321 PRAGMA_DIAG_PUSH
78bbf4d43a14 8037816: Fix for 8036122 breaks build with Xcode5/clang
drchase
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diff changeset
322 PRAGMA_FORMAT_NONLITERAL_IGNORED_INTERNAL
12322
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diff changeset
323 st->print(format_buffer, cp);
17937
78bbf4d43a14 8037816: Fix for 8036122 breaks build with Xcode5/clang
drchase
parents: 17834
diff changeset
324 PRAGMA_DIAG_POP
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diff changeset
325 st->cr();
72b7e96c1922 8024545: make develop and notproduct flag values available in product builds
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diff changeset
326 cp = eol+1;
72b7e96c1922 8024545: make develop and notproduct flag values available in product builds
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diff changeset
327 st->print("%5s %-35s += ", "", _name);
72b7e96c1922 8024545: make develop and notproduct flag values available in product builds
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328 }
72b7e96c1922 8024545: make develop and notproduct flag values available in product builds
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diff changeset
329 st->print("%-16s", cp);
72b7e96c1922 8024545: make develop and notproduct flag values available in product builds
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diff changeset
330 }
72b7e96c1922 8024545: make develop and notproduct flag values available in product builds
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diff changeset
331 else st->print("%-16s", "");
0
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332 }
12322
72b7e96c1922 8024545: make develop and notproduct flag values available in product builds
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diff changeset
333
17834
b257acb35d3e 8026300: VM warning: increase O_BUFLEN in ostream.hpp -- output truncated occurs with fastdebug VM when printing flags
zgu
parents: 17691
diff changeset
334 st->print("%-20s", " ");
12322
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diff changeset
335 print_kind(st);
72b7e96c1922 8024545: make develop and notproduct flag values available in product builds
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diff changeset
336
1768
6ee479178066 6979444: add command line option to print command line flags descriptions
ikrylov
parents: 1692
diff changeset
337 if (withComments) {
6ee479178066 6979444: add command line option to print command line flags descriptions
ikrylov
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diff changeset
338 #ifndef PRODUCT
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339 st->print("%s", _doc);
1768
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ikrylov
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diff changeset
340 #endif
6ee479178066 6979444: add command line option to print command line flags descriptions
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341 }
0
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342 st->cr();
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343 }
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344
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345 void Flag::print_kind(outputStream* st) {
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346 struct Data {
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diff changeset
347 int flag;
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diff changeset
348 const char* name;
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diff changeset
349 };
72b7e96c1922 8024545: make develop and notproduct flag values available in product builds
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350
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diff changeset
351 Data data[] = {
72b7e96c1922 8024545: make develop and notproduct flag values available in product builds
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352 { KIND_C1, "C1" },
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353 { KIND_C2, "C2" },
72b7e96c1922 8024545: make develop and notproduct flag values available in product builds
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diff changeset
354 { KIND_ARCH, "ARCH" },
72b7e96c1922 8024545: make develop and notproduct flag values available in product builds
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diff changeset
355 { KIND_SHARK, "SHARK" },
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356 { KIND_PLATFORM_DEPENDENT, "pd" },
72b7e96c1922 8024545: make develop and notproduct flag values available in product builds
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357 { KIND_PRODUCT, "product" },
72b7e96c1922 8024545: make develop and notproduct flag values available in product builds
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358 { KIND_MANAGEABLE, "manageable" },
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diff changeset
359 { KIND_DIAGNOSTIC, "diagnostic" },
13392
396564992823 8028341: PSR:FUNC: SCOPE PARAMETER MISSING FROM THE -XX:+PRINTFLAGSFINAL
sgabdura
parents: 12322
diff changeset
360 { KIND_EXPERIMENTAL, "experimental" },
396564992823 8028341: PSR:FUNC: SCOPE PARAMETER MISSING FROM THE -XX:+PRINTFLAGSFINAL
sgabdura
parents: 12322
diff changeset
361 { KIND_COMMERCIAL, "commercial" },
12322
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diff changeset
362 { KIND_NOT_PRODUCT, "notproduct" },
72b7e96c1922 8024545: make develop and notproduct flag values available in product builds
twisti
parents: 12160
diff changeset
363 { KIND_DEVELOP, "develop" },
72b7e96c1922 8024545: make develop and notproduct flag values available in product builds
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parents: 12160
diff changeset
364 { KIND_LP64_PRODUCT, "lp64_product" },
72b7e96c1922 8024545: make develop and notproduct flag values available in product builds
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diff changeset
365 { KIND_READ_WRITE, "rw" },
72b7e96c1922 8024545: make develop and notproduct flag values available in product builds
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diff changeset
366 { -1, "" }
72b7e96c1922 8024545: make develop and notproduct flag values available in product builds
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diff changeset
367 };
72b7e96c1922 8024545: make develop and notproduct flag values available in product builds
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diff changeset
368
72b7e96c1922 8024545: make develop and notproduct flag values available in product builds
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diff changeset
369 if ((_flags & KIND_MASK) != 0) {
72b7e96c1922 8024545: make develop and notproduct flag values available in product builds
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diff changeset
370 st->print("{");
72b7e96c1922 8024545: make develop and notproduct flag values available in product builds
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diff changeset
371 bool is_first = true;
72b7e96c1922 8024545: make develop and notproduct flag values available in product builds
twisti
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diff changeset
372
72b7e96c1922 8024545: make develop and notproduct flag values available in product builds
twisti
parents: 12160
diff changeset
373 for (int i = 0; data[i].flag != -1; i++) {
72b7e96c1922 8024545: make develop and notproduct flag values available in product builds
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diff changeset
374 Data d = data[i];
72b7e96c1922 8024545: make develop and notproduct flag values available in product builds
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diff changeset
375 if ((_flags & d.flag) != 0) {
72b7e96c1922 8024545: make develop and notproduct flag values available in product builds
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diff changeset
376 if (is_first) {
72b7e96c1922 8024545: make develop and notproduct flag values available in product builds
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diff changeset
377 is_first = false;
72b7e96c1922 8024545: make develop and notproduct flag values available in product builds
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diff changeset
378 } else {
72b7e96c1922 8024545: make develop and notproduct flag values available in product builds
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diff changeset
379 st->print(" ");
72b7e96c1922 8024545: make develop and notproduct flag values available in product builds
twisti
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diff changeset
380 }
17937
78bbf4d43a14 8037816: Fix for 8036122 breaks build with Xcode5/clang
drchase
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diff changeset
381 st->print("%s", d.name);
12322
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diff changeset
382 }
72b7e96c1922 8024545: make develop and notproduct flag values available in product builds
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diff changeset
383 }
72b7e96c1922 8024545: make develop and notproduct flag values available in product builds
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diff changeset
384
72b7e96c1922 8024545: make develop and notproduct flag values available in product builds
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diff changeset
385 st->print("}");
72b7e96c1922 8024545: make develop and notproduct flag values available in product builds
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diff changeset
386 }
72b7e96c1922 8024545: make develop and notproduct flag values available in product builds
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diff changeset
387 }
72b7e96c1922 8024545: make develop and notproduct flag values available in product builds
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diff changeset
388
0
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389 void Flag::print_as_flag(outputStream* st) {
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390 if (is_bool()) {
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diff changeset
391 st->print("-XX:%s%s", get_bool() ? "+" : "-", _name);
0
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392 } else if (is_intx()) {
12322
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diff changeset
393 st->print("-XX:%s=" INTX_FORMAT, _name, get_intx());
0
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diff changeset
394 } else if (is_uintx()) {
12322
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diff changeset
395 st->print("-XX:%s=" UINTX_FORMAT, _name, get_uintx());
1067
ba7ea42fc66e 6898160: Need serviceability support for new vm argument type 'uint64_t'
phh
parents: 1064
diff changeset
396 } else if (is_uint64_t()) {
12322
72b7e96c1922 8024545: make develop and notproduct flag values available in product builds
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diff changeset
397 st->print("-XX:%s=" UINT64_FORMAT, _name, get_uint64_t());
6049
f47478089efc 7167069: 6 VM flags crash the VM when queried via jinfo
brutisso
parents: 5947
diff changeset
398 } else if (is_double()) {
12322
72b7e96c1922 8024545: make develop and notproduct flag values available in product builds
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diff changeset
399 st->print("-XX:%s=%f", _name, get_double());
0
a61af66fc99e Initial load
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diff changeset
400 } else if (is_ccstr()) {
12322
72b7e96c1922 8024545: make develop and notproduct flag values available in product builds
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diff changeset
401 st->print("-XX:%s=", _name);
103
38a50dd839cf 6619271: The -Xprintflags causes the VM to segv
never
parents: 13
diff changeset
402 const char* cp = get_ccstr();
38a50dd839cf 6619271: The -Xprintflags causes the VM to segv
never
parents: 13
diff changeset
403 if (cp != NULL) {
38a50dd839cf 6619271: The -Xprintflags causes the VM to segv
never
parents: 13
diff changeset
404 // Need to turn embedded '\n's back into separate arguments
38a50dd839cf 6619271: The -Xprintflags causes the VM to segv
never
parents: 13
diff changeset
405 // Not so efficient to print one character at a time,
38a50dd839cf 6619271: The -Xprintflags causes the VM to segv
never
parents: 13
diff changeset
406 // but the choice is to do the transformation to a buffer
38a50dd839cf 6619271: The -Xprintflags causes the VM to segv
never
parents: 13
diff changeset
407 // and print that. And this need not be efficient.
38a50dd839cf 6619271: The -Xprintflags causes the VM to segv
never
parents: 13
diff changeset
408 for (; *cp != '\0'; cp += 1) {
38a50dd839cf 6619271: The -Xprintflags causes the VM to segv
never
parents: 13
diff changeset
409 switch (*cp) {
38a50dd839cf 6619271: The -Xprintflags causes the VM to segv
never
parents: 13
diff changeset
410 default:
38a50dd839cf 6619271: The -Xprintflags causes the VM to segv
never
parents: 13
diff changeset
411 st->print("%c", *cp);
38a50dd839cf 6619271: The -Xprintflags causes the VM to segv
never
parents: 13
diff changeset
412 break;
38a50dd839cf 6619271: The -Xprintflags causes the VM to segv
never
parents: 13
diff changeset
413 case '\n':
12322
72b7e96c1922 8024545: make develop and notproduct flag values available in product builds
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diff changeset
414 st->print(" -XX:%s=", _name);
103
38a50dd839cf 6619271: The -Xprintflags causes the VM to segv
never
parents: 13
diff changeset
415 break;
38a50dd839cf 6619271: The -Xprintflags causes the VM to segv
never
parents: 13
diff changeset
416 }
0
a61af66fc99e Initial load
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parents:
diff changeset
417 }
a61af66fc99e Initial load
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parents:
diff changeset
418 }
a61af66fc99e Initial load
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diff changeset
419 } else {
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diff changeset
420 ShouldNotReachHere();
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diff changeset
421 }
a61af66fc99e Initial load
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parents:
diff changeset
422 }
a61af66fc99e Initial load
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parents:
diff changeset
423
a61af66fc99e Initial load
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parents:
diff changeset
424 // 4991491 do not "optimize out" the was_set false values: omitting them
a61af66fc99e Initial load
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parents:
diff changeset
425 // tickles a Microsoft compiler bug causing flagTable to be malformed
a61af66fc99e Initial load
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diff changeset
426
12322
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diff changeset
427 #define NAME(name) NOT_PRODUCT(&name) PRODUCT_ONLY(&CONST_##name)
0
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diff changeset
428
12322
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diff changeset
429 #define RUNTIME_PRODUCT_FLAG_STRUCT( type, name, value, doc) { #type, XSTR(name), &name, NOT_PRODUCT_ARG(doc) Flag::Flags(Flag::DEFAULT | Flag::KIND_PRODUCT) },
72b7e96c1922 8024545: make develop and notproduct flag values available in product builds
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diff changeset
430 #define RUNTIME_PD_PRODUCT_FLAG_STRUCT( type, name, doc) { #type, XSTR(name), &name, NOT_PRODUCT_ARG(doc) Flag::Flags(Flag::DEFAULT | Flag::KIND_PRODUCT | Flag::KIND_PLATFORM_DEPENDENT) },
72b7e96c1922 8024545: make develop and notproduct flag values available in product builds
twisti
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diff changeset
431 #define RUNTIME_DIAGNOSTIC_FLAG_STRUCT( type, name, value, doc) { #type, XSTR(name), &name, NOT_PRODUCT_ARG(doc) Flag::Flags(Flag::DEFAULT | Flag::KIND_DIAGNOSTIC) },
72b7e96c1922 8024545: make develop and notproduct flag values available in product builds
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diff changeset
432 #define RUNTIME_EXPERIMENTAL_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, NOT_PRODUCT_ARG(doc) Flag::Flags(Flag::DEFAULT | Flag::KIND_EXPERIMENTAL) },
72b7e96c1922 8024545: make develop and notproduct flag values available in product builds
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diff changeset
433 #define RUNTIME_MANAGEABLE_FLAG_STRUCT( type, name, value, doc) { #type, XSTR(name), &name, NOT_PRODUCT_ARG(doc) Flag::Flags(Flag::DEFAULT | Flag::KIND_MANAGEABLE) },
72b7e96c1922 8024545: make develop and notproduct flag values available in product builds
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diff changeset
434 #define RUNTIME_PRODUCT_RW_FLAG_STRUCT( type, name, value, doc) { #type, XSTR(name), &name, NOT_PRODUCT_ARG(doc) Flag::Flags(Flag::DEFAULT | Flag::KIND_PRODUCT | Flag::KIND_READ_WRITE) },
72b7e96c1922 8024545: make develop and notproduct flag values available in product builds
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diff changeset
435 #define RUNTIME_DEVELOP_FLAG_STRUCT( type, name, value, doc) { #type, XSTR(name), NAME(name), NOT_PRODUCT_ARG(doc) Flag::Flags(Flag::DEFAULT | Flag::KIND_DEVELOP) },
72b7e96c1922 8024545: make develop and notproduct flag values available in product builds
twisti
parents: 12160
diff changeset
436 #define RUNTIME_PD_DEVELOP_FLAG_STRUCT( type, name, doc) { #type, XSTR(name), NAME(name), NOT_PRODUCT_ARG(doc) Flag::Flags(Flag::DEFAULT | Flag::KIND_DEVELOP | Flag::KIND_PLATFORM_DEPENDENT) },
72b7e96c1922 8024545: make develop and notproduct flag values available in product builds
twisti
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diff changeset
437 #define RUNTIME_NOTPRODUCT_FLAG_STRUCT( type, name, value, doc) { #type, XSTR(name), NAME(name), NOT_PRODUCT_ARG(doc) Flag::Flags(Flag::DEFAULT | Flag::KIND_NOT_PRODUCT) },
0
a61af66fc99e Initial load
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parents:
diff changeset
438
113
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents: 103
diff changeset
439 #ifdef _LP64
12322
72b7e96c1922 8024545: make develop and notproduct flag values available in product builds
twisti
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diff changeset
440 #define RUNTIME_LP64_PRODUCT_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, NOT_PRODUCT_ARG(doc) Flag::Flags(Flag::DEFAULT | Flag::KIND_LP64_PRODUCT) },
113
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents: 103
diff changeset
441 #else
12322
72b7e96c1922 8024545: make develop and notproduct flag values available in product builds
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diff changeset
442 #define RUNTIME_LP64_PRODUCT_FLAG_STRUCT(type, name, value, doc) /* flag is constant */
113
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents: 103
diff changeset
443 #endif // _LP64
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents: 103
diff changeset
444
12322
72b7e96c1922 8024545: make develop and notproduct flag values available in product builds
twisti
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diff changeset
445 #define C1_PRODUCT_FLAG_STRUCT( type, name, value, doc) { #type, XSTR(name), &name, NOT_PRODUCT_ARG(doc) Flag::Flags(Flag::DEFAULT | Flag::KIND_C1 | Flag::KIND_PRODUCT) },
72b7e96c1922 8024545: make develop and notproduct flag values available in product builds
twisti
parents: 12160
diff changeset
446 #define C1_PD_PRODUCT_FLAG_STRUCT( type, name, doc) { #type, XSTR(name), &name, NOT_PRODUCT_ARG(doc) Flag::Flags(Flag::DEFAULT | Flag::KIND_C1 | Flag::KIND_PRODUCT | Flag::KIND_PLATFORM_DEPENDENT) },
72b7e96c1922 8024545: make develop and notproduct flag values available in product builds
twisti
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diff changeset
447 #define C1_DIAGNOSTIC_FLAG_STRUCT( type, name, value, doc) { #type, XSTR(name), &name, NOT_PRODUCT_ARG(doc) Flag::Flags(Flag::DEFAULT | Flag::KIND_C1 | Flag::KIND_DIAGNOSTIC) },
72b7e96c1922 8024545: make develop and notproduct flag values available in product builds
twisti
parents: 12160
diff changeset
448 #define C1_DEVELOP_FLAG_STRUCT( type, name, value, doc) { #type, XSTR(name), NAME(name), NOT_PRODUCT_ARG(doc) Flag::Flags(Flag::DEFAULT | Flag::KIND_C1 | Flag::KIND_DEVELOP) },
72b7e96c1922 8024545: make develop and notproduct flag values available in product builds
twisti
parents: 12160
diff changeset
449 #define C1_PD_DEVELOP_FLAG_STRUCT( type, name, doc) { #type, XSTR(name), NAME(name), NOT_PRODUCT_ARG(doc) Flag::Flags(Flag::DEFAULT | Flag::KIND_C1 | Flag::KIND_DEVELOP | Flag::KIND_PLATFORM_DEPENDENT) },
72b7e96c1922 8024545: make develop and notproduct flag values available in product builds
twisti
parents: 12160
diff changeset
450 #define C1_NOTPRODUCT_FLAG_STRUCT( type, name, value, doc) { #type, XSTR(name), NAME(name), NOT_PRODUCT_ARG(doc) Flag::Flags(Flag::DEFAULT | Flag::KIND_C1 | Flag::KIND_NOT_PRODUCT) },
0
a61af66fc99e Initial load
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parents:
diff changeset
451
12322
72b7e96c1922 8024545: make develop and notproduct flag values available in product builds
twisti
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diff changeset
452 #define C2_PRODUCT_FLAG_STRUCT( type, name, value, doc) { #type, XSTR(name), &name, NOT_PRODUCT_ARG(doc) Flag::Flags(Flag::DEFAULT | Flag::KIND_C2 | Flag::KIND_PRODUCT) },
72b7e96c1922 8024545: make develop and notproduct flag values available in product builds
twisti
parents: 12160
diff changeset
453 #define C2_PD_PRODUCT_FLAG_STRUCT( type, name, doc) { #type, XSTR(name), &name, NOT_PRODUCT_ARG(doc) Flag::Flags(Flag::DEFAULT | Flag::KIND_C2 | Flag::KIND_PRODUCT | Flag::KIND_PLATFORM_DEPENDENT) },
72b7e96c1922 8024545: make develop and notproduct flag values available in product builds
twisti
parents: 12160
diff changeset
454 #define C2_DIAGNOSTIC_FLAG_STRUCT( type, name, value, doc) { #type, XSTR(name), &name, NOT_PRODUCT_ARG(doc) Flag::Flags(Flag::DEFAULT | Flag::KIND_C2 | Flag::KIND_DIAGNOSTIC) },
72b7e96c1922 8024545: make develop and notproduct flag values available in product builds
twisti
parents: 12160
diff changeset
455 #define C2_EXPERIMENTAL_FLAG_STRUCT( type, name, value, doc) { #type, XSTR(name), &name, NOT_PRODUCT_ARG(doc) Flag::Flags(Flag::DEFAULT | Flag::KIND_C2 | Flag::KIND_EXPERIMENTAL) },
72b7e96c1922 8024545: make develop and notproduct flag values available in product builds
twisti
parents: 12160
diff changeset
456 #define C2_DEVELOP_FLAG_STRUCT( type, name, value, doc) { #type, XSTR(name), NAME(name), NOT_PRODUCT_ARG(doc) Flag::Flags(Flag::DEFAULT | Flag::KIND_C2 | Flag::KIND_DEVELOP) },
72b7e96c1922 8024545: make develop and notproduct flag values available in product builds
twisti
parents: 12160
diff changeset
457 #define C2_PD_DEVELOP_FLAG_STRUCT( type, name, doc) { #type, XSTR(name), NAME(name), NOT_PRODUCT_ARG(doc) Flag::Flags(Flag::DEFAULT | Flag::KIND_C2 | Flag::KIND_DEVELOP | Flag::KIND_PLATFORM_DEPENDENT) },
72b7e96c1922 8024545: make develop and notproduct flag values available in product builds
twisti
parents: 12160
diff changeset
458 #define C2_NOTPRODUCT_FLAG_STRUCT( type, name, value, doc) { #type, XSTR(name), NAME(name), NOT_PRODUCT_ARG(doc) Flag::Flags(Flag::DEFAULT | Flag::KIND_C2 | Flag::KIND_NOT_PRODUCT) },
0
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parents:
diff changeset
459
12322
72b7e96c1922 8024545: make develop and notproduct flag values available in product builds
twisti
parents: 12160
diff changeset
460 #define ARCH_PRODUCT_FLAG_STRUCT( type, name, value, doc) { #type, XSTR(name), &name, NOT_PRODUCT_ARG(doc) Flag::Flags(Flag::DEFAULT | Flag::KIND_ARCH | Flag::KIND_PRODUCT) },
72b7e96c1922 8024545: make develop and notproduct flag values available in product builds
twisti
parents: 12160
diff changeset
461 #define ARCH_DIAGNOSTIC_FLAG_STRUCT( type, name, value, doc) { #type, XSTR(name), &name, NOT_PRODUCT_ARG(doc) Flag::Flags(Flag::DEFAULT | Flag::KIND_ARCH | Flag::KIND_DIAGNOSTIC) },
72b7e96c1922 8024545: make develop and notproduct flag values available in product builds
twisti
parents: 12160
diff changeset
462 #define ARCH_EXPERIMENTAL_FLAG_STRUCT( type, name, value, doc) { #type, XSTR(name), &name, NOT_PRODUCT_ARG(doc) Flag::Flags(Flag::DEFAULT | Flag::KIND_ARCH | Flag::KIND_EXPERIMENTAL) },
72b7e96c1922 8024545: make develop and notproduct flag values available in product builds
twisti
parents: 12160
diff changeset
463 #define ARCH_DEVELOP_FLAG_STRUCT( type, name, value, doc) { #type, XSTR(name), NAME(name), NOT_PRODUCT_ARG(doc) Flag::Flags(Flag::DEFAULT | Flag::KIND_ARCH | Flag::KIND_DEVELOP) },
72b7e96c1922 8024545: make develop and notproduct flag values available in product builds
twisti
parents: 12160
diff changeset
464 #define ARCH_NOTPRODUCT_FLAG_STRUCT( type, name, value, doc) { #type, XSTR(name), NAME(name), NOT_PRODUCT_ARG(doc) Flag::Flags(Flag::DEFAULT | Flag::KIND_ARCH | Flag::KIND_NOT_PRODUCT) },
6633
a5dd6e3ef9f3 6677625: Move platform specific flags from globals.hpp to globals_<arch>.hpp
twisti
parents: 6197
diff changeset
465
12322
72b7e96c1922 8024545: make develop and notproduct flag values available in product builds
twisti
parents: 12160
diff changeset
466 #define SHARK_PRODUCT_FLAG_STRUCT( type, name, value, doc) { #type, XSTR(name), &name, NOT_PRODUCT_ARG(doc) Flag::Flags(Flag::DEFAULT | Flag::KIND_SHARK | Flag::KIND_PRODUCT) },
72b7e96c1922 8024545: make develop and notproduct flag values available in product builds
twisti
parents: 12160
diff changeset
467 #define SHARK_PD_PRODUCT_FLAG_STRUCT( type, name, doc) { #type, XSTR(name), &name, NOT_PRODUCT_ARG(doc) Flag::Flags(Flag::DEFAULT | Flag::KIND_SHARK | Flag::KIND_PRODUCT | Flag::KIND_PLATFORM_DEPENDENT) },
72b7e96c1922 8024545: make develop and notproduct flag values available in product builds
twisti
parents: 12160
diff changeset
468 #define SHARK_DIAGNOSTIC_FLAG_STRUCT( type, name, value, doc) { #type, XSTR(name), &name, NOT_PRODUCT_ARG(doc) Flag::Flags(Flag::DEFAULT | Flag::KIND_SHARK | Flag::KIND_DIAGNOSTIC) },
72b7e96c1922 8024545: make develop and notproduct flag values available in product builds
twisti
parents: 12160
diff changeset
469 #define SHARK_DEVELOP_FLAG_STRUCT( type, name, value, doc) { #type, XSTR(name), NAME(name), NOT_PRODUCT_ARG(doc) Flag::Flags(Flag::DEFAULT | Flag::KIND_SHARK | Flag::KIND_DEVELOP) },
72b7e96c1922 8024545: make develop and notproduct flag values available in product builds
twisti
parents: 12160
diff changeset
470 #define SHARK_PD_DEVELOP_FLAG_STRUCT( type, name, doc) { #type, XSTR(name), NAME(name), NOT_PRODUCT_ARG(doc) Flag::Flags(Flag::DEFAULT | Flag::KIND_SHARK | Flag::KIND_DEVELOP | Flag::KIND_PLATFORM_DEPENDENT) },
72b7e96c1922 8024545: make develop and notproduct flag values available in product builds
twisti
parents: 12160
diff changeset
471 #define SHARK_NOTPRODUCT_FLAG_STRUCT( type, name, value, doc) { #type, XSTR(name), NAME(name), NOT_PRODUCT_ARG(doc) Flag::Flags(Flag::DEFAULT | Flag::KIND_SHARK | Flag::KIND_NOT_PRODUCT) },
0
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parents:
diff changeset
472
a61af66fc99e Initial load
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parents:
diff changeset
473 static Flag flagTable[] = {
4088
358eca91be48 7116730: Revert 7116481: Commercial features in Hotspot must be gated by a switch
phh
parents: 4087
diff changeset
474 RUNTIME_FLAGS(RUNTIME_DEVELOP_FLAG_STRUCT, RUNTIME_PD_DEVELOP_FLAG_STRUCT, RUNTIME_PRODUCT_FLAG_STRUCT, RUNTIME_PD_PRODUCT_FLAG_STRUCT, RUNTIME_DIAGNOSTIC_FLAG_STRUCT, RUNTIME_EXPERIMENTAL_FLAG_STRUCT, RUNTIME_NOTPRODUCT_FLAG_STRUCT, RUNTIME_MANAGEABLE_FLAG_STRUCT, RUNTIME_PRODUCT_RW_FLAG_STRUCT, RUNTIME_LP64_PRODUCT_FLAG_STRUCT)
0
a61af66fc99e Initial load
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parents:
diff changeset
475 RUNTIME_OS_FLAGS(RUNTIME_DEVELOP_FLAG_STRUCT, RUNTIME_PD_DEVELOP_FLAG_STRUCT, RUNTIME_PRODUCT_FLAG_STRUCT, RUNTIME_PD_PRODUCT_FLAG_STRUCT, RUNTIME_DIAGNOSTIC_FLAG_STRUCT, RUNTIME_NOTPRODUCT_FLAG_STRUCT)
8001
db9981fd3124 8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS
jprovino
parents: 6633
diff changeset
476 #if INCLUDE_ALL_GCS
350
d28aa69f0959 6618726: Introduce -XX:+UnlockExperimentalVMOptions flag
ysr
parents: 342
diff changeset
477 G1_FLAGS(RUNTIME_DEVELOP_FLAG_STRUCT, RUNTIME_PD_DEVELOP_FLAG_STRUCT, RUNTIME_PRODUCT_FLAG_STRUCT, RUNTIME_PD_PRODUCT_FLAG_STRUCT, RUNTIME_DIAGNOSTIC_FLAG_STRUCT, RUNTIME_EXPERIMENTAL_FLAG_STRUCT, RUNTIME_NOTPRODUCT_FLAG_STRUCT, RUNTIME_MANAGEABLE_FLAG_STRUCT, RUNTIME_PRODUCT_RW_FLAG_STRUCT)
8001
db9981fd3124 8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS
jprovino
parents: 6633
diff changeset
478 #endif // INCLUDE_ALL_GCS
0
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parents:
diff changeset
479 #ifdef COMPILER1
12160
f98f5d48f511 7199175: JSR 292: C1 needs patching when invokedynamic/invokehandle call site is not linked
roland
parents: 11070
diff changeset
480 C1_FLAGS(C1_DEVELOP_FLAG_STRUCT, C1_PD_DEVELOP_FLAG_STRUCT, C1_PRODUCT_FLAG_STRUCT, C1_PD_PRODUCT_FLAG_STRUCT, C1_DIAGNOSTIC_FLAG_STRUCT, C1_NOTPRODUCT_FLAG_STRUCT)
0
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diff changeset
481 #endif
a61af66fc99e Initial load
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parents:
diff changeset
482 #ifdef COMPILER2
1080
7c57aead6d3e 6892658: C2 should optimize some stringbuilder patterns
never
parents: 1067
diff changeset
483 C2_FLAGS(C2_DEVELOP_FLAG_STRUCT, C2_PD_DEVELOP_FLAG_STRUCT, C2_PRODUCT_FLAG_STRUCT, C2_PD_PRODUCT_FLAG_STRUCT, C2_DIAGNOSTIC_FLAG_STRUCT, C2_EXPERIMENTAL_FLAG_STRUCT, C2_NOTPRODUCT_FLAG_STRUCT)
0
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parents:
diff changeset
484 #endif
1692
d2ede61b7a12 6976186: integrate Shark HotSpot changes
twisti
parents: 1552
diff changeset
485 #ifdef SHARK
d2ede61b7a12 6976186: integrate Shark HotSpot changes
twisti
parents: 1552
diff changeset
486 SHARK_FLAGS(SHARK_DEVELOP_FLAG_STRUCT, SHARK_PD_DEVELOP_FLAG_STRUCT, SHARK_PRODUCT_FLAG_STRUCT, SHARK_PD_PRODUCT_FLAG_STRUCT, SHARK_DIAGNOSTIC_FLAG_STRUCT, SHARK_NOTPRODUCT_FLAG_STRUCT)
d2ede61b7a12 6976186: integrate Shark HotSpot changes
twisti
parents: 1552
diff changeset
487 #endif
6633
a5dd6e3ef9f3 6677625: Move platform specific flags from globals.hpp to globals_<arch>.hpp
twisti
parents: 6197
diff changeset
488 ARCH_FLAGS(ARCH_DEVELOP_FLAG_STRUCT, ARCH_PRODUCT_FLAG_STRUCT, ARCH_DIAGNOSTIC_FLAG_STRUCT, ARCH_EXPERIMENTAL_FLAG_STRUCT, ARCH_NOTPRODUCT_FLAG_STRUCT)
4107
cd00eaeebef6 7117389: Add a framework for vendor-specific command line switch extensions to Hotspot
phh
parents: 4088
diff changeset
489 FLAGTABLE_EXT
0
a61af66fc99e Initial load
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parents:
diff changeset
490 {0, NULL, NULL}
a61af66fc99e Initial load
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parents:
diff changeset
491 };
a61af66fc99e Initial load
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parents:
diff changeset
492
a61af66fc99e Initial load
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parents:
diff changeset
493 Flag* Flag::flags = flagTable;
a61af66fc99e Initial load
duke
parents:
diff changeset
494 size_t Flag::numFlags = (sizeof(flagTable) / sizeof(Flag));
a61af66fc99e Initial load
duke
parents:
diff changeset
495
11070
6e3634222155 8017611: Auto corrector for mistyped vm options
tamao
parents: 11028
diff changeset
496 inline bool str_equal(const char* s, const char* q, size_t len) {
0
a61af66fc99e Initial load
duke
parents:
diff changeset
497 // s is null terminated, q is not!
a61af66fc99e Initial load
duke
parents:
diff changeset
498 if (strlen(s) != (unsigned int) len) return false;
a61af66fc99e Initial load
duke
parents:
diff changeset
499 return strncmp(s, q, len) == 0;
a61af66fc99e Initial load
duke
parents:
diff changeset
500 }
a61af66fc99e Initial load
duke
parents:
diff changeset
501
5947
80fe40862b02 7144328: Improper commandlines for -XX:+-UnlockCommercialFeatures require proper warning/error messages
jmelvin
parents: 4773
diff changeset
502 // Search the flag table for a named flag
17667
cd7a42c7be06 8027314: Java should recognize Diagnostic options if -XX:+UnlockDiagnosticVMOptions is not specified and print an informative message
ccheung
parents: 13392
diff changeset
503 Flag* Flag::find_flag(const char* name, size_t length, bool allow_locked, bool return_flag) {
12322
72b7e96c1922 8024545: make develop and notproduct flag values available in product builds
twisti
parents: 12160
diff changeset
504 for (Flag* current = &flagTable[0]; current->_name != NULL; current++) {
72b7e96c1922 8024545: make develop and notproduct flag values available in product builds
twisti
parents: 12160
diff changeset
505 if (str_equal(current->_name, name, length)) {
72b7e96c1922 8024545: make develop and notproduct flag values available in product builds
twisti
parents: 12160
diff changeset
506 // Found a matching entry.
72b7e96c1922 8024545: make develop and notproduct flag values available in product builds
twisti
parents: 12160
diff changeset
507 // Don't report notproduct and develop flags in product builds.
72b7e96c1922 8024545: make develop and notproduct flag values available in product builds
twisti
parents: 12160
diff changeset
508 if (current->is_constant_in_binary()) {
17667
cd7a42c7be06 8027314: Java should recognize Diagnostic options if -XX:+UnlockDiagnosticVMOptions is not specified and print an informative message
ccheung
parents: 13392
diff changeset
509 return (return_flag == true ? current : NULL);
12322
72b7e96c1922 8024545: make develop and notproduct flag values available in product builds
twisti
parents: 12160
diff changeset
510 }
72b7e96c1922 8024545: make develop and notproduct flag values available in product builds
twisti
parents: 12160
diff changeset
511 // Report locked flags only if allowed.
0
a61af66fc99e Initial load
duke
parents:
diff changeset
512 if (!(current->is_unlocked() || current->is_unlocker())) {
5947
80fe40862b02 7144328: Improper commandlines for -XX:+-UnlockCommercialFeatures require proper warning/error messages
jmelvin
parents: 4773
diff changeset
513 if (!allow_locked) {
80fe40862b02 7144328: Improper commandlines for -XX:+-UnlockCommercialFeatures require proper warning/error messages
jmelvin
parents: 4773
diff changeset
514 // disable use of locked flags, e.g. diagnostic, experimental,
80fe40862b02 7144328: Improper commandlines for -XX:+-UnlockCommercialFeatures require proper warning/error messages
jmelvin
parents: 4773
diff changeset
515 // commercial... until they are explicitly unlocked
80fe40862b02 7144328: Improper commandlines for -XX:+-UnlockCommercialFeatures require proper warning/error messages
jmelvin
parents: 4773
diff changeset
516 return NULL;
80fe40862b02 7144328: Improper commandlines for -XX:+-UnlockCommercialFeatures require proper warning/error messages
jmelvin
parents: 4773
diff changeset
517 }
0
a61af66fc99e Initial load
duke
parents:
diff changeset
518 }
a61af66fc99e Initial load
duke
parents:
diff changeset
519 return current;
a61af66fc99e Initial load
duke
parents:
diff changeset
520 }
a61af66fc99e Initial load
duke
parents:
diff changeset
521 }
5947
80fe40862b02 7144328: Improper commandlines for -XX:+-UnlockCommercialFeatures require proper warning/error messages
jmelvin
parents: 4773
diff changeset
522 // Flag name is not in the flag table
0
a61af66fc99e Initial load
duke
parents:
diff changeset
523 return NULL;
a61af66fc99e Initial load
duke
parents:
diff changeset
524 }
a61af66fc99e Initial load
duke
parents:
diff changeset
525
11070
6e3634222155 8017611: Auto corrector for mistyped vm options
tamao
parents: 11028
diff changeset
526 // Compute string similarity based on Dice's coefficient
6e3634222155 8017611: Auto corrector for mistyped vm options
tamao
parents: 11028
diff changeset
527 static float str_similar(const char* str1, const char* str2, size_t len2) {
6e3634222155 8017611: Auto corrector for mistyped vm options
tamao
parents: 11028
diff changeset
528 int len1 = (int) strlen(str1);
6e3634222155 8017611: Auto corrector for mistyped vm options
tamao
parents: 11028
diff changeset
529 int total = len1 + (int) len2;
6e3634222155 8017611: Auto corrector for mistyped vm options
tamao
parents: 11028
diff changeset
530
6e3634222155 8017611: Auto corrector for mistyped vm options
tamao
parents: 11028
diff changeset
531 int hit = 0;
6e3634222155 8017611: Auto corrector for mistyped vm options
tamao
parents: 11028
diff changeset
532
6e3634222155 8017611: Auto corrector for mistyped vm options
tamao
parents: 11028
diff changeset
533 for (int i = 0; i < len1 -1; ++i) {
6e3634222155 8017611: Auto corrector for mistyped vm options
tamao
parents: 11028
diff changeset
534 for (int j = 0; j < (int) len2 -1; ++j) {
6e3634222155 8017611: Auto corrector for mistyped vm options
tamao
parents: 11028
diff changeset
535 if ((str1[i] == str2[j]) && (str1[i+1] == str2[j+1])) {
6e3634222155 8017611: Auto corrector for mistyped vm options
tamao
parents: 11028
diff changeset
536 ++hit;
6e3634222155 8017611: Auto corrector for mistyped vm options
tamao
parents: 11028
diff changeset
537 break;
6e3634222155 8017611: Auto corrector for mistyped vm options
tamao
parents: 11028
diff changeset
538 }
6e3634222155 8017611: Auto corrector for mistyped vm options
tamao
parents: 11028
diff changeset
539 }
6e3634222155 8017611: Auto corrector for mistyped vm options
tamao
parents: 11028
diff changeset
540 }
6e3634222155 8017611: Auto corrector for mistyped vm options
tamao
parents: 11028
diff changeset
541
6e3634222155 8017611: Auto corrector for mistyped vm options
tamao
parents: 11028
diff changeset
542 return 2.0f * (float) hit / (float) total;
6e3634222155 8017611: Auto corrector for mistyped vm options
tamao
parents: 11028
diff changeset
543 }
6e3634222155 8017611: Auto corrector for mistyped vm options
tamao
parents: 11028
diff changeset
544
6e3634222155 8017611: Auto corrector for mistyped vm options
tamao
parents: 11028
diff changeset
545 Flag* Flag::fuzzy_match(const char* name, size_t length, bool allow_locked) {
6e3634222155 8017611: Auto corrector for mistyped vm options
tamao
parents: 11028
diff changeset
546 float VMOptionsFuzzyMatchSimilarity = 0.7f;
6e3634222155 8017611: Auto corrector for mistyped vm options
tamao
parents: 11028
diff changeset
547 Flag* match = NULL;
6e3634222155 8017611: Auto corrector for mistyped vm options
tamao
parents: 11028
diff changeset
548 float score;
6e3634222155 8017611: Auto corrector for mistyped vm options
tamao
parents: 11028
diff changeset
549 float max_score = -1;
6e3634222155 8017611: Auto corrector for mistyped vm options
tamao
parents: 11028
diff changeset
550
12322
72b7e96c1922 8024545: make develop and notproduct flag values available in product builds
twisti
parents: 12160
diff changeset
551 for (Flag* current = &flagTable[0]; current->_name != NULL; current++) {
72b7e96c1922 8024545: make develop and notproduct flag values available in product builds
twisti
parents: 12160
diff changeset
552 score = str_similar(current->_name, name, length);
11070
6e3634222155 8017611: Auto corrector for mistyped vm options
tamao
parents: 11028
diff changeset
553 if (score > max_score) {
6e3634222155 8017611: Auto corrector for mistyped vm options
tamao
parents: 11028
diff changeset
554 max_score = score;
6e3634222155 8017611: Auto corrector for mistyped vm options
tamao
parents: 11028
diff changeset
555 match = current;
6e3634222155 8017611: Auto corrector for mistyped vm options
tamao
parents: 11028
diff changeset
556 }
6e3634222155 8017611: Auto corrector for mistyped vm options
tamao
parents: 11028
diff changeset
557 }
6e3634222155 8017611: Auto corrector for mistyped vm options
tamao
parents: 11028
diff changeset
558
6e3634222155 8017611: Auto corrector for mistyped vm options
tamao
parents: 11028
diff changeset
559 if (!(match->is_unlocked() || match->is_unlocker())) {
6e3634222155 8017611: Auto corrector for mistyped vm options
tamao
parents: 11028
diff changeset
560 if (!allow_locked) {
6e3634222155 8017611: Auto corrector for mistyped vm options
tamao
parents: 11028
diff changeset
561 return NULL;
6e3634222155 8017611: Auto corrector for mistyped vm options
tamao
parents: 11028
diff changeset
562 }
6e3634222155 8017611: Auto corrector for mistyped vm options
tamao
parents: 11028
diff changeset
563 }
6e3634222155 8017611: Auto corrector for mistyped vm options
tamao
parents: 11028
diff changeset
564
6e3634222155 8017611: Auto corrector for mistyped vm options
tamao
parents: 11028
diff changeset
565 if (max_score < VMOptionsFuzzyMatchSimilarity) {
6e3634222155 8017611: Auto corrector for mistyped vm options
tamao
parents: 11028
diff changeset
566 return NULL;
6e3634222155 8017611: Auto corrector for mistyped vm options
tamao
parents: 11028
diff changeset
567 }
6e3634222155 8017611: Auto corrector for mistyped vm options
tamao
parents: 11028
diff changeset
568
6e3634222155 8017611: Auto corrector for mistyped vm options
tamao
parents: 11028
diff changeset
569 return match;
6e3634222155 8017611: Auto corrector for mistyped vm options
tamao
parents: 11028
diff changeset
570 }
6e3634222155 8017611: Auto corrector for mistyped vm options
tamao
parents: 11028
diff changeset
571
0
a61af66fc99e Initial load
duke
parents:
diff changeset
572 // Returns the address of the index'th element
a61af66fc99e Initial load
duke
parents:
diff changeset
573 static Flag* address_of_flag(CommandLineFlagWithType flag) {
a61af66fc99e Initial load
duke
parents:
diff changeset
574 assert((size_t)flag < Flag::numFlags, "bad command line flag index");
a61af66fc99e Initial load
duke
parents:
diff changeset
575 return &Flag::flags[flag];
a61af66fc99e Initial load
duke
parents:
diff changeset
576 }
a61af66fc99e Initial load
duke
parents:
diff changeset
577
a61af66fc99e Initial load
duke
parents:
diff changeset
578 bool CommandLineFlagsEx::is_default(CommandLineFlag flag) {
a61af66fc99e Initial load
duke
parents:
diff changeset
579 assert((size_t)flag < Flag::numFlags, "bad command line flag index");
a61af66fc99e Initial load
duke
parents:
diff changeset
580 Flag* f = &Flag::flags[flag];
12322
72b7e96c1922 8024545: make develop and notproduct flag values available in product builds
twisti
parents: 12160
diff changeset
581 return f->is_default();
0
a61af66fc99e Initial load
duke
parents:
diff changeset
582 }
a61af66fc99e Initial load
duke
parents:
diff changeset
583
13
183f41cf8bfe 6557851: CMS: ergonomics defaults are not set with FLAG_SET_ERGO
jmasa
parents: 0
diff changeset
584 bool CommandLineFlagsEx::is_ergo(CommandLineFlag flag) {
183f41cf8bfe 6557851: CMS: ergonomics defaults are not set with FLAG_SET_ERGO
jmasa
parents: 0
diff changeset
585 assert((size_t)flag < Flag::numFlags, "bad command line flag index");
183f41cf8bfe 6557851: CMS: ergonomics defaults are not set with FLAG_SET_ERGO
jmasa
parents: 0
diff changeset
586 Flag* f = &Flag::flags[flag];
12322
72b7e96c1922 8024545: make develop and notproduct flag values available in product builds
twisti
parents: 12160
diff changeset
587 return f->is_ergonomic();
13
183f41cf8bfe 6557851: CMS: ergonomics defaults are not set with FLAG_SET_ERGO
jmasa
parents: 0
diff changeset
588 }
183f41cf8bfe 6557851: CMS: ergonomics defaults are not set with FLAG_SET_ERGO
jmasa
parents: 0
diff changeset
589
183f41cf8bfe 6557851: CMS: ergonomics defaults are not set with FLAG_SET_ERGO
jmasa
parents: 0
diff changeset
590 bool CommandLineFlagsEx::is_cmdline(CommandLineFlag flag) {
183f41cf8bfe 6557851: CMS: ergonomics defaults are not set with FLAG_SET_ERGO
jmasa
parents: 0
diff changeset
591 assert((size_t)flag < Flag::numFlags, "bad command line flag index");
183f41cf8bfe 6557851: CMS: ergonomics defaults are not set with FLAG_SET_ERGO
jmasa
parents: 0
diff changeset
592 Flag* f = &Flag::flags[flag];
12322
72b7e96c1922 8024545: make develop and notproduct flag values available in product builds
twisti
parents: 12160
diff changeset
593 return f->is_command_line();
13
183f41cf8bfe 6557851: CMS: ergonomics defaults are not set with FLAG_SET_ERGO
jmasa
parents: 0
diff changeset
594 }
183f41cf8bfe 6557851: CMS: ergonomics defaults are not set with FLAG_SET_ERGO
jmasa
parents: 0
diff changeset
595
0
a61af66fc99e Initial load
duke
parents:
diff changeset
596 bool CommandLineFlags::wasSetOnCmdline(const char* name, bool* value) {
a61af66fc99e Initial load
duke
parents:
diff changeset
597 Flag* result = Flag::find_flag((char*)name, strlen(name));
a61af66fc99e Initial load
duke
parents:
diff changeset
598 if (result == NULL) return false;
12322
72b7e96c1922 8024545: make develop and notproduct flag values available in product builds
twisti
parents: 12160
diff changeset
599 *value = result->is_command_line();
0
a61af66fc99e Initial load
duke
parents:
diff changeset
600 return true;
a61af66fc99e Initial load
duke
parents:
diff changeset
601 }
a61af66fc99e Initial load
duke
parents:
diff changeset
602
17691
d6c97434b745 8032250: Add trace event for VM flag changes
sla
parents: 17667
diff changeset
603 template<class E, class T>
d6c97434b745 8032250: Add trace event for VM flag changes
sla
parents: 17667
diff changeset
604 static void trace_flag_changed(const char* name, const T old_value, const T new_value, const Flag::Flags origin)
d6c97434b745 8032250: Add trace event for VM flag changes
sla
parents: 17667
diff changeset
605 {
d6c97434b745 8032250: Add trace event for VM flag changes
sla
parents: 17667
diff changeset
606 E e;
d6c97434b745 8032250: Add trace event for VM flag changes
sla
parents: 17667
diff changeset
607 e.set_name(name);
d6c97434b745 8032250: Add trace event for VM flag changes
sla
parents: 17667
diff changeset
608 e.set_old_value(old_value);
d6c97434b745 8032250: Add trace event for VM flag changes
sla
parents: 17667
diff changeset
609 e.set_new_value(new_value);
d6c97434b745 8032250: Add trace event for VM flag changes
sla
parents: 17667
diff changeset
610 e.set_origin(origin);
d6c97434b745 8032250: Add trace event for VM flag changes
sla
parents: 17667
diff changeset
611 e.commit();
d6c97434b745 8032250: Add trace event for VM flag changes
sla
parents: 17667
diff changeset
612 }
d6c97434b745 8032250: Add trace event for VM flag changes
sla
parents: 17667
diff changeset
613
0
a61af66fc99e Initial load
duke
parents:
diff changeset
614 bool CommandLineFlags::boolAt(char* name, size_t len, bool* value) {
a61af66fc99e Initial load
duke
parents:
diff changeset
615 Flag* result = Flag::find_flag(name, len);
a61af66fc99e Initial load
duke
parents:
diff changeset
616 if (result == NULL) return false;
a61af66fc99e Initial load
duke
parents:
diff changeset
617 if (!result->is_bool()) return false;
a61af66fc99e Initial load
duke
parents:
diff changeset
618 *value = result->get_bool();
a61af66fc99e Initial load
duke
parents:
diff changeset
619 return true;
a61af66fc99e Initial load
duke
parents:
diff changeset
620 }
a61af66fc99e Initial load
duke
parents:
diff changeset
621
12322
72b7e96c1922 8024545: make develop and notproduct flag values available in product builds
twisti
parents: 12160
diff changeset
622 bool CommandLineFlags::boolAtPut(char* name, size_t len, bool* value, Flag::Flags origin) {
0
a61af66fc99e Initial load
duke
parents:
diff changeset
623 Flag* result = Flag::find_flag(name, len);
a61af66fc99e Initial load
duke
parents:
diff changeset
624 if (result == NULL) return false;
a61af66fc99e Initial load
duke
parents:
diff changeset
625 if (!result->is_bool()) return false;
a61af66fc99e Initial load
duke
parents:
diff changeset
626 bool old_value = result->get_bool();
17691
d6c97434b745 8032250: Add trace event for VM flag changes
sla
parents: 17667
diff changeset
627 trace_flag_changed<EventBooleanFlagChanged, bool>(name, old_value, *value, origin);
0
a61af66fc99e Initial load
duke
parents:
diff changeset
628 result->set_bool(*value);
a61af66fc99e Initial load
duke
parents:
diff changeset
629 *value = old_value;
12322
72b7e96c1922 8024545: make develop and notproduct flag values available in product builds
twisti
parents: 12160
diff changeset
630 result->set_origin(origin);
0
a61af66fc99e Initial load
duke
parents:
diff changeset
631 return true;
a61af66fc99e Initial load
duke
parents:
diff changeset
632 }
a61af66fc99e Initial load
duke
parents:
diff changeset
633
12322
72b7e96c1922 8024545: make develop and notproduct flag values available in product builds
twisti
parents: 12160
diff changeset
634 void CommandLineFlagsEx::boolAtPut(CommandLineFlagWithType flag, bool value, Flag::Flags origin) {
0
a61af66fc99e Initial load
duke
parents:
diff changeset
635 Flag* faddr = address_of_flag(flag);
a61af66fc99e Initial load
duke
parents:
diff changeset
636 guarantee(faddr != NULL && faddr->is_bool(), "wrong flag type");
17691
d6c97434b745 8032250: Add trace event for VM flag changes
sla
parents: 17667
diff changeset
637 trace_flag_changed<EventBooleanFlagChanged, bool>(faddr->_name, faddr->get_bool(), value, origin);
0
a61af66fc99e Initial load
duke
parents:
diff changeset
638 faddr->set_bool(value);
12322
72b7e96c1922 8024545: make develop and notproduct flag values available in product builds
twisti
parents: 12160
diff changeset
639 faddr->set_origin(origin);
0
a61af66fc99e Initial load
duke
parents:
diff changeset
640 }
a61af66fc99e Initial load
duke
parents:
diff changeset
641
a61af66fc99e Initial load
duke
parents:
diff changeset
642 bool CommandLineFlags::intxAt(char* name, size_t len, intx* value) {
a61af66fc99e Initial load
duke
parents:
diff changeset
643 Flag* result = Flag::find_flag(name, len);
a61af66fc99e Initial load
duke
parents:
diff changeset
644 if (result == NULL) return false;
a61af66fc99e Initial load
duke
parents:
diff changeset
645 if (!result->is_intx()) return false;
a61af66fc99e Initial load
duke
parents:
diff changeset
646 *value = result->get_intx();
a61af66fc99e Initial load
duke
parents:
diff changeset
647 return true;
a61af66fc99e Initial load
duke
parents:
diff changeset
648 }
a61af66fc99e Initial load
duke
parents:
diff changeset
649
12322
72b7e96c1922 8024545: make develop and notproduct flag values available in product builds
twisti
parents: 12160
diff changeset
650 bool CommandLineFlags::intxAtPut(char* name, size_t len, intx* value, Flag::Flags origin) {
0
a61af66fc99e Initial load
duke
parents:
diff changeset
651 Flag* result = Flag::find_flag(name, len);
a61af66fc99e Initial load
duke
parents:
diff changeset
652 if (result == NULL) return false;
a61af66fc99e Initial load
duke
parents:
diff changeset
653 if (!result->is_intx()) return false;
a61af66fc99e Initial load
duke
parents:
diff changeset
654 intx old_value = result->get_intx();
17691
d6c97434b745 8032250: Add trace event for VM flag changes
sla
parents: 17667
diff changeset
655 trace_flag_changed<EventLongFlagChanged, s8>(name, old_value, *value, origin);
0
a61af66fc99e Initial load
duke
parents:
diff changeset
656 result->set_intx(*value);
a61af66fc99e Initial load
duke
parents:
diff changeset
657 *value = old_value;
12322
72b7e96c1922 8024545: make develop and notproduct flag values available in product builds
twisti
parents: 12160
diff changeset
658 result->set_origin(origin);
0
a61af66fc99e Initial load
duke
parents:
diff changeset
659 return true;
a61af66fc99e Initial load
duke
parents:
diff changeset
660 }
a61af66fc99e Initial load
duke
parents:
diff changeset
661
12322
72b7e96c1922 8024545: make develop and notproduct flag values available in product builds
twisti
parents: 12160
diff changeset
662 void CommandLineFlagsEx::intxAtPut(CommandLineFlagWithType flag, intx value, Flag::Flags origin) {
0
a61af66fc99e Initial load
duke
parents:
diff changeset
663 Flag* faddr = address_of_flag(flag);
a61af66fc99e Initial load
duke
parents:
diff changeset
664 guarantee(faddr != NULL && faddr->is_intx(), "wrong flag type");
17691
d6c97434b745 8032250: Add trace event for VM flag changes
sla
parents: 17667
diff changeset
665 trace_flag_changed<EventLongFlagChanged, s8>(faddr->_name, faddr->get_intx(), value, origin);
0
a61af66fc99e Initial load
duke
parents:
diff changeset
666 faddr->set_intx(value);
12322
72b7e96c1922 8024545: make develop and notproduct flag values available in product builds
twisti
parents: 12160
diff changeset
667 faddr->set_origin(origin);
0
a61af66fc99e Initial load
duke
parents:
diff changeset
668 }
a61af66fc99e Initial load
duke
parents:
diff changeset
669
a61af66fc99e Initial load
duke
parents:
diff changeset
670 bool CommandLineFlags::uintxAt(char* name, size_t len, uintx* value) {
a61af66fc99e Initial load
duke
parents:
diff changeset
671 Flag* result = Flag::find_flag(name, len);
a61af66fc99e Initial load
duke
parents:
diff changeset
672 if (result == NULL) return false;
a61af66fc99e Initial load
duke
parents:
diff changeset
673 if (!result->is_uintx()) return false;
a61af66fc99e Initial load
duke
parents:
diff changeset
674 *value = result->get_uintx();
a61af66fc99e Initial load
duke
parents:
diff changeset
675 return true;
a61af66fc99e Initial load
duke
parents:
diff changeset
676 }
a61af66fc99e Initial load
duke
parents:
diff changeset
677
12322
72b7e96c1922 8024545: make develop and notproduct flag values available in product builds
twisti
parents: 12160
diff changeset
678 bool CommandLineFlags::uintxAtPut(char* name, size_t len, uintx* value, Flag::Flags origin) {
0
a61af66fc99e Initial load
duke
parents:
diff changeset
679 Flag* result = Flag::find_flag(name, len);
a61af66fc99e Initial load
duke
parents:
diff changeset
680 if (result == NULL) return false;
a61af66fc99e Initial load
duke
parents:
diff changeset
681 if (!result->is_uintx()) return false;
a61af66fc99e Initial load
duke
parents:
diff changeset
682 uintx old_value = result->get_uintx();
17691
d6c97434b745 8032250: Add trace event for VM flag changes
sla
parents: 17667
diff changeset
683 trace_flag_changed<EventUnsignedLongFlagChanged, u8>(name, old_value, *value, origin);
0
a61af66fc99e Initial load
duke
parents:
diff changeset
684 result->set_uintx(*value);
a61af66fc99e Initial load
duke
parents:
diff changeset
685 *value = old_value;
12322
72b7e96c1922 8024545: make develop and notproduct flag values available in product builds
twisti
parents: 12160
diff changeset
686 result->set_origin(origin);
0
a61af66fc99e Initial load
duke
parents:
diff changeset
687 return true;
a61af66fc99e Initial load
duke
parents:
diff changeset
688 }
a61af66fc99e Initial load
duke
parents:
diff changeset
689
12322
72b7e96c1922 8024545: make develop and notproduct flag values available in product builds
twisti
parents: 12160
diff changeset
690 void CommandLineFlagsEx::uintxAtPut(CommandLineFlagWithType flag, uintx value, Flag::Flags origin) {
0
a61af66fc99e Initial load
duke
parents:
diff changeset
691 Flag* faddr = address_of_flag(flag);
a61af66fc99e Initial load
duke
parents:
diff changeset
692 guarantee(faddr != NULL && faddr->is_uintx(), "wrong flag type");
17691
d6c97434b745 8032250: Add trace event for VM flag changes
sla
parents: 17667
diff changeset
693 trace_flag_changed<EventUnsignedLongFlagChanged, u8>(faddr->_name, faddr->get_uintx(), value, origin);
0
a61af66fc99e Initial load
duke
parents:
diff changeset
694 faddr->set_uintx(value);
12322
72b7e96c1922 8024545: make develop and notproduct flag values available in product builds
twisti
parents: 12160
diff changeset
695 faddr->set_origin(origin);
0
a61af66fc99e Initial load
duke
parents:
diff changeset
696 }
a61af66fc99e Initial load
duke
parents:
diff changeset
697
1064
473cce303f13 6887571: Increase default heap config sizes
phh
parents: 372
diff changeset
698 bool CommandLineFlags::uint64_tAt(char* name, size_t len, uint64_t* value) {
473cce303f13 6887571: Increase default heap config sizes
phh
parents: 372
diff changeset
699 Flag* result = Flag::find_flag(name, len);
473cce303f13 6887571: Increase default heap config sizes
phh
parents: 372
diff changeset
700 if (result == NULL) return false;
473cce303f13 6887571: Increase default heap config sizes
phh
parents: 372
diff changeset
701 if (!result->is_uint64_t()) return false;
473cce303f13 6887571: Increase default heap config sizes
phh
parents: 372
diff changeset
702 *value = result->get_uint64_t();
473cce303f13 6887571: Increase default heap config sizes
phh
parents: 372
diff changeset
703 return true;
473cce303f13 6887571: Increase default heap config sizes
phh
parents: 372
diff changeset
704 }
473cce303f13 6887571: Increase default heap config sizes
phh
parents: 372
diff changeset
705
12322
72b7e96c1922 8024545: make develop and notproduct flag values available in product builds
twisti
parents: 12160
diff changeset
706 bool CommandLineFlags::uint64_tAtPut(char* name, size_t len, uint64_t* value, Flag::Flags origin) {
1064
473cce303f13 6887571: Increase default heap config sizes
phh
parents: 372
diff changeset
707 Flag* result = Flag::find_flag(name, len);
473cce303f13 6887571: Increase default heap config sizes
phh
parents: 372
diff changeset
708 if (result == NULL) return false;
473cce303f13 6887571: Increase default heap config sizes
phh
parents: 372
diff changeset
709 if (!result->is_uint64_t()) return false;
473cce303f13 6887571: Increase default heap config sizes
phh
parents: 372
diff changeset
710 uint64_t old_value = result->get_uint64_t();
17691
d6c97434b745 8032250: Add trace event for VM flag changes
sla
parents: 17667
diff changeset
711 trace_flag_changed<EventUnsignedLongFlagChanged, u8>(name, old_value, *value, origin);
1064
473cce303f13 6887571: Increase default heap config sizes
phh
parents: 372
diff changeset
712 result->set_uint64_t(*value);
473cce303f13 6887571: Increase default heap config sizes
phh
parents: 372
diff changeset
713 *value = old_value;
12322
72b7e96c1922 8024545: make develop and notproduct flag values available in product builds
twisti
parents: 12160
diff changeset
714 result->set_origin(origin);
1064
473cce303f13 6887571: Increase default heap config sizes
phh
parents: 372
diff changeset
715 return true;
473cce303f13 6887571: Increase default heap config sizes
phh
parents: 372
diff changeset
716 }
473cce303f13 6887571: Increase default heap config sizes
phh
parents: 372
diff changeset
717
12322
72b7e96c1922 8024545: make develop and notproduct flag values available in product builds
twisti
parents: 12160
diff changeset
718 void CommandLineFlagsEx::uint64_tAtPut(CommandLineFlagWithType flag, uint64_t value, Flag::Flags origin) {
1064
473cce303f13 6887571: Increase default heap config sizes
phh
parents: 372
diff changeset
719 Flag* faddr = address_of_flag(flag);
473cce303f13 6887571: Increase default heap config sizes
phh
parents: 372
diff changeset
720 guarantee(faddr != NULL && faddr->is_uint64_t(), "wrong flag type");
17691
d6c97434b745 8032250: Add trace event for VM flag changes
sla
parents: 17667
diff changeset
721 trace_flag_changed<EventUnsignedLongFlagChanged, u8>(faddr->_name, faddr->get_uint64_t(), value, origin);
1064
473cce303f13 6887571: Increase default heap config sizes
phh
parents: 372
diff changeset
722 faddr->set_uint64_t(value);
12322
72b7e96c1922 8024545: make develop and notproduct flag values available in product builds
twisti
parents: 12160
diff changeset
723 faddr->set_origin(origin);
1064
473cce303f13 6887571: Increase default heap config sizes
phh
parents: 372
diff changeset
724 }
473cce303f13 6887571: Increase default heap config sizes
phh
parents: 372
diff changeset
725
0
a61af66fc99e Initial load
duke
parents:
diff changeset
726 bool CommandLineFlags::doubleAt(char* name, size_t len, double* value) {
a61af66fc99e Initial load
duke
parents:
diff changeset
727 Flag* result = Flag::find_flag(name, len);
a61af66fc99e Initial load
duke
parents:
diff changeset
728 if (result == NULL) return false;
a61af66fc99e Initial load
duke
parents:
diff changeset
729 if (!result->is_double()) return false;
a61af66fc99e Initial load
duke
parents:
diff changeset
730 *value = result->get_double();
a61af66fc99e Initial load
duke
parents:
diff changeset
731 return true;
a61af66fc99e Initial load
duke
parents:
diff changeset
732 }
a61af66fc99e Initial load
duke
parents:
diff changeset
733
12322
72b7e96c1922 8024545: make develop and notproduct flag values available in product builds
twisti
parents: 12160
diff changeset
734 bool CommandLineFlags::doubleAtPut(char* name, size_t len, double* value, Flag::Flags origin) {
0
a61af66fc99e Initial load
duke
parents:
diff changeset
735 Flag* result = Flag::find_flag(name, len);
a61af66fc99e Initial load
duke
parents:
diff changeset
736 if (result == NULL) return false;
a61af66fc99e Initial load
duke
parents:
diff changeset
737 if (!result->is_double()) return false;
a61af66fc99e Initial load
duke
parents:
diff changeset
738 double old_value = result->get_double();
17691
d6c97434b745 8032250: Add trace event for VM flag changes
sla
parents: 17667
diff changeset
739 trace_flag_changed<EventDoubleFlagChanged, double>(name, old_value, *value, origin);
0
a61af66fc99e Initial load
duke
parents:
diff changeset
740 result->set_double(*value);
a61af66fc99e Initial load
duke
parents:
diff changeset
741 *value = old_value;
12322
72b7e96c1922 8024545: make develop and notproduct flag values available in product builds
twisti
parents: 12160
diff changeset
742 result->set_origin(origin);
0
a61af66fc99e Initial load
duke
parents:
diff changeset
743 return true;
a61af66fc99e Initial load
duke
parents:
diff changeset
744 }
a61af66fc99e Initial load
duke
parents:
diff changeset
745
12322
72b7e96c1922 8024545: make develop and notproduct flag values available in product builds
twisti
parents: 12160
diff changeset
746 void CommandLineFlagsEx::doubleAtPut(CommandLineFlagWithType flag, double value, Flag::Flags origin) {
0
a61af66fc99e Initial load
duke
parents:
diff changeset
747 Flag* faddr = address_of_flag(flag);
a61af66fc99e Initial load
duke
parents:
diff changeset
748 guarantee(faddr != NULL && faddr->is_double(), "wrong flag type");
17691
d6c97434b745 8032250: Add trace event for VM flag changes
sla
parents: 17667
diff changeset
749 trace_flag_changed<EventDoubleFlagChanged, double>(faddr->_name, faddr->get_double(), value, origin);
0
a61af66fc99e Initial load
duke
parents:
diff changeset
750 faddr->set_double(value);
12322
72b7e96c1922 8024545: make develop and notproduct flag values available in product builds
twisti
parents: 12160
diff changeset
751 faddr->set_origin(origin);
0
a61af66fc99e Initial load
duke
parents:
diff changeset
752 }
a61af66fc99e Initial load
duke
parents:
diff changeset
753
a61af66fc99e Initial load
duke
parents:
diff changeset
754 bool CommandLineFlags::ccstrAt(char* name, size_t len, ccstr* value) {
a61af66fc99e Initial load
duke
parents:
diff changeset
755 Flag* result = Flag::find_flag(name, len);
a61af66fc99e Initial load
duke
parents:
diff changeset
756 if (result == NULL) return false;
a61af66fc99e Initial load
duke
parents:
diff changeset
757 if (!result->is_ccstr()) return false;
a61af66fc99e Initial load
duke
parents:
diff changeset
758 *value = result->get_ccstr();
a61af66fc99e Initial load
duke
parents:
diff changeset
759 return true;
a61af66fc99e Initial load
duke
parents:
diff changeset
760 }
a61af66fc99e Initial load
duke
parents:
diff changeset
761
a61af66fc99e Initial load
duke
parents:
diff changeset
762 // Contract: Flag will make private copy of the incoming value.
a61af66fc99e Initial load
duke
parents:
diff changeset
763 // Outgoing value is always malloc-ed, and caller MUST call free.
12322
72b7e96c1922 8024545: make develop and notproduct flag values available in product builds
twisti
parents: 12160
diff changeset
764 bool CommandLineFlags::ccstrAtPut(char* name, size_t len, ccstr* value, Flag::Flags origin) {
0
a61af66fc99e Initial load
duke
parents:
diff changeset
765 Flag* result = Flag::find_flag(name, len);
a61af66fc99e Initial load
duke
parents:
diff changeset
766 if (result == NULL) return false;
a61af66fc99e Initial load
duke
parents:
diff changeset
767 if (!result->is_ccstr()) return false;
a61af66fc99e Initial load
duke
parents:
diff changeset
768 ccstr old_value = result->get_ccstr();
17691
d6c97434b745 8032250: Add trace event for VM flag changes
sla
parents: 17667
diff changeset
769 trace_flag_changed<EventStringFlagChanged, const char*>(name, old_value, *value, origin);
370
885fe0f95828 6744783: HotSpot segfaults if given -XX options with an empty string argument
never
parents: 196
diff changeset
770 char* new_value = NULL;
885fe0f95828 6744783: HotSpot segfaults if given -XX options with an empty string argument
never
parents: 196
diff changeset
771 if (*value != NULL) {
6197
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1)
zgu
parents: 6049
diff changeset
772 new_value = NEW_C_HEAP_ARRAY(char, strlen(*value)+1, mtInternal);
370
885fe0f95828 6744783: HotSpot segfaults if given -XX options with an empty string argument
never
parents: 196
diff changeset
773 strcpy(new_value, *value);
885fe0f95828 6744783: HotSpot segfaults if given -XX options with an empty string argument
never
parents: 196
diff changeset
774 }
0
a61af66fc99e Initial load
duke
parents:
diff changeset
775 result->set_ccstr(new_value);
12322
72b7e96c1922 8024545: make develop and notproduct flag values available in product builds
twisti
parents: 12160
diff changeset
776 if (result->is_default() && old_value != NULL) {
0
a61af66fc99e Initial load
duke
parents:
diff changeset
777 // Prior value is NOT heap allocated, but was a literal constant.
6197
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1)
zgu
parents: 6049
diff changeset
778 char* old_value_to_free = NEW_C_HEAP_ARRAY(char, strlen(old_value)+1, mtInternal);
0
a61af66fc99e Initial load
duke
parents:
diff changeset
779 strcpy(old_value_to_free, old_value);
a61af66fc99e Initial load
duke
parents:
diff changeset
780 old_value = old_value_to_free;
a61af66fc99e Initial load
duke
parents:
diff changeset
781 }
a61af66fc99e Initial load
duke
parents:
diff changeset
782 *value = old_value;
12322
72b7e96c1922 8024545: make develop and notproduct flag values available in product builds
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parents: 12160
diff changeset
783 result->set_origin(origin);
0
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parents:
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784 return true;
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parents:
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785 }
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786
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parents:
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787 // Contract: Flag will make private copy of the incoming value.
12322
72b7e96c1922 8024545: make develop and notproduct flag values available in product builds
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diff changeset
788 void CommandLineFlagsEx::ccstrAtPut(CommandLineFlagWithType flag, ccstr value, Flag::Flags origin) {
0
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parents:
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789 Flag* faddr = address_of_flag(flag);
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parents:
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790 guarantee(faddr != NULL && faddr->is_ccstr(), "wrong flag type");
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parents:
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791 ccstr old_value = faddr->get_ccstr();
17691
d6c97434b745 8032250: Add trace event for VM flag changes
sla
parents: 17667
diff changeset
792 trace_flag_changed<EventStringFlagChanged, const char*>(faddr->_name, old_value, value, origin);
6197
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1)
zgu
parents: 6049
diff changeset
793 char* new_value = NEW_C_HEAP_ARRAY(char, strlen(value)+1, mtInternal);
0
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parents:
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794 strcpy(new_value, value);
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parents:
diff changeset
795 faddr->set_ccstr(new_value);
12322
72b7e96c1922 8024545: make develop and notproduct flag values available in product builds
twisti
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diff changeset
796 if (!faddr->is_default() && old_value != NULL) {
0
a61af66fc99e Initial load
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parents:
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797 // Prior value is heap allocated so free it.
6197
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1)
zgu
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diff changeset
798 FREE_C_HEAP_ARRAY(char, old_value, mtInternal);
0
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parents:
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799 }
12322
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twisti
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diff changeset
800 faddr->set_origin(origin);
0
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parents:
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801 }
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802
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803 extern "C" {
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804 static int compare_flags(const void* void_a, const void* void_b) {
12322
72b7e96c1922 8024545: make develop and notproduct flag values available in product builds
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diff changeset
805 return strcmp((*((Flag**) void_a))->_name, (*((Flag**) void_b))->_name);
0
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parents:
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806 }
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parents:
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807 }
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parents:
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808
4773
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fparain
parents: 4715
diff changeset
809 void CommandLineFlags::printSetFlags(outputStream* out) {
0
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parents:
diff changeset
810 // Print which flags were set on the command line
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parents:
diff changeset
811 // note: this method is called before the thread structure is in place
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parents:
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812 // which means resource allocation cannot be used.
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parents:
diff changeset
813
12322
72b7e96c1922 8024545: make develop and notproduct flag values available in product builds
twisti
parents: 12160
diff changeset
814 // The last entry is the null entry.
72b7e96c1922 8024545: make develop and notproduct flag values available in product builds
twisti
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diff changeset
815 const size_t length = Flag::numFlags - 1;
0
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parents:
diff changeset
816
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parents:
diff changeset
817 // Sort
6197
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zgu
parents: 6049
diff changeset
818 Flag** array = NEW_C_HEAP_ARRAY(Flag*, length, mtInternal);
12322
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twisti
parents: 12160
diff changeset
819 for (size_t i = 0; i < length; i++) {
72b7e96c1922 8024545: make develop and notproduct flag values available in product builds
twisti
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diff changeset
820 array[i] = &flagTable[i];
0
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parents:
diff changeset
821 }
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parents:
diff changeset
822 qsort(array, length, sizeof(Flag*), compare_flags);
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parents:
diff changeset
823
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parents:
diff changeset
824 // Print
12322
72b7e96c1922 8024545: make develop and notproduct flag values available in product builds
twisti
parents: 12160
diff changeset
825 for (size_t i = 0; i < length; i++) {
72b7e96c1922 8024545: make develop and notproduct flag values available in product builds
twisti
parents: 12160
diff changeset
826 if (array[i]->get_origin() /* naked field! */) {
4773
4f25538b54c9 7120511: Add diagnostic commands
fparain
parents: 4715
diff changeset
827 array[i]->print_as_flag(out);
4f25538b54c9 7120511: Add diagnostic commands
fparain
parents: 4715
diff changeset
828 out->print(" ");
0
a61af66fc99e Initial load
duke
parents:
diff changeset
829 }
a61af66fc99e Initial load
duke
parents:
diff changeset
830 }
4773
4f25538b54c9 7120511: Add diagnostic commands
fparain
parents: 4715
diff changeset
831 out->cr();
6197
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1)
zgu
parents: 6049
diff changeset
832 FREE_C_HEAP_ARRAY(Flag*, array, mtInternal);
0
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parents:
diff changeset
833 }
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parents:
diff changeset
834
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parents:
diff changeset
835 #ifndef PRODUCT
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parents:
diff changeset
836
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parents:
diff changeset
837
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parents:
diff changeset
838 void CommandLineFlags::verify() {
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duke
parents:
diff changeset
839 assert(Arguments::check_vm_args_consistency(), "Some flag settings conflict");
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duke
parents:
diff changeset
840 }
a61af66fc99e Initial load
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parents:
diff changeset
841
1150
f62a22282a47 6914622: Print values of all flags for product VM
kvn
parents: 1080
diff changeset
842 #endif // PRODUCT
f62a22282a47 6914622: Print values of all flags for product VM
kvn
parents: 1080
diff changeset
843
4773
4f25538b54c9 7120511: Add diagnostic commands
fparain
parents: 4715
diff changeset
844 void CommandLineFlags::printFlags(outputStream* out, bool withComments) {
0
a61af66fc99e Initial load
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parents:
diff changeset
845 // Print the flags sorted by name
a61af66fc99e Initial load
duke
parents:
diff changeset
846 // note: this method is called before the thread structure is in place
a61af66fc99e Initial load
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parents:
diff changeset
847 // which means resource allocation cannot be used.
a61af66fc99e Initial load
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parents:
diff changeset
848
12322
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twisti
parents: 12160
diff changeset
849 // The last entry is the null entry.
72b7e96c1922 8024545: make develop and notproduct flag values available in product builds
twisti
parents: 12160
diff changeset
850 const size_t length = Flag::numFlags - 1;
0
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parents:
diff changeset
851
a61af66fc99e Initial load
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parents:
diff changeset
852 // Sort
6197
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1)
zgu
parents: 6049
diff changeset
853 Flag** array = NEW_C_HEAP_ARRAY(Flag*, length, mtInternal);
12322
72b7e96c1922 8024545: make develop and notproduct flag values available in product builds
twisti
parents: 12160
diff changeset
854 for (size_t i = 0; i < length; i++) {
72b7e96c1922 8024545: make develop and notproduct flag values available in product builds
twisti
parents: 12160
diff changeset
855 array[i] = &flagTable[i];
0
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duke
parents:
diff changeset
856 }
a61af66fc99e Initial load
duke
parents:
diff changeset
857 qsort(array, length, sizeof(Flag*), compare_flags);
a61af66fc99e Initial load
duke
parents:
diff changeset
858
a61af66fc99e Initial load
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parents:
diff changeset
859 // Print
4773
4f25538b54c9 7120511: Add diagnostic commands
fparain
parents: 4715
diff changeset
860 out->print_cr("[Global flags]");
12322
72b7e96c1922 8024545: make develop and notproduct flag values available in product builds
twisti
parents: 12160
diff changeset
861 for (size_t i = 0; i < length; i++) {
0
a61af66fc99e Initial load
duke
parents:
diff changeset
862 if (array[i]->is_unlocked()) {
4773
4f25538b54c9 7120511: Add diagnostic commands
fparain
parents: 4715
diff changeset
863 array[i]->print_on(out, withComments);
0
a61af66fc99e Initial load
duke
parents:
diff changeset
864 }
a61af66fc99e Initial load
duke
parents:
diff changeset
865 }
6197
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1)
zgu
parents: 6049
diff changeset
866 FREE_C_HEAP_ARRAY(Flag*, array, mtInternal);
0
a61af66fc99e Initial load
duke
parents:
diff changeset
867 }