Mercurial > hg > truffle
annotate src/share/vm/runtime/globals.cpp @ 19011:203c7256e123
Merge.
author | Chris Seaton <chris.seaton@oracle.com> |
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date | Thu, 29 Jan 2015 00:12:55 +0000 |
parents | 52b4284cb496 |
children | 7848fc12602b |
rev | line source |
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0 | 1 /* |
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2 * Copyright (c) 1997, 2014, Oracle and/or its affiliates. All rights reserved. |
0 | 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
4 * | |
5 * This code is free software; you can redistribute it and/or modify it | |
6 * under the terms of the GNU General Public License version 2 only, as | |
7 * published by the Free Software Foundation. | |
8 * | |
9 * This code is distributed in the hope that it will be useful, but WITHOUT | |
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
12 * version 2 for more details (a copy is included in the LICENSE file that | |
13 * accompanied this code). | |
14 * | |
15 * You should have received a copy of the GNU General Public License version | |
16 * 2 along with this work; if not, write to the Free Software Foundation, | |
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
18 * | |
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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. |
0 | 22 * |
23 */ | |
24 | |
1972 | 25 #include "precompiled.hpp" |
26 #include "memory/allocation.inline.hpp" | |
27 #include "oops/oop.inline.hpp" | |
28 #include "runtime/arguments.hpp" | |
29 #include "runtime/globals.hpp" | |
30 #include "runtime/globals_extension.hpp" | |
31 #include "utilities/ostream.hpp" | |
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32 #include "utilities/macros.hpp" |
1972 | 33 #include "utilities/top.hpp" |
17691 | 34 #include "trace/tracing.hpp" |
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35 #if INCLUDE_ALL_GCS |
1972 | 36 #include "gc_implementation/g1/g1_globals.hpp" |
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37 #endif // INCLUDE_ALL_GCS |
1972 | 38 #ifdef COMPILER1 |
39 #include "c1/c1_globals.hpp" | |
40 #endif | |
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41 #ifdef GRAAL |
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42 #include "graal/graalGlobals.hpp" |
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43 #endif |
1972 | 44 #ifdef COMPILER2 |
45 #include "opto/c2_globals.hpp" | |
46 #endif | |
47 #ifdef SHARK | |
48 #include "shark/shark_globals.hpp" | |
49 #endif | |
0 | 50 |
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51 PRAGMA_FORMAT_MUTE_WARNINGS_FOR_GCC |
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52 |
0 | 53 RUNTIME_FLAGS(MATERIALIZE_DEVELOPER_FLAG, MATERIALIZE_PD_DEVELOPER_FLAG, \ |
54 MATERIALIZE_PRODUCT_FLAG, MATERIALIZE_PD_PRODUCT_FLAG, \ | |
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55 MATERIALIZE_DIAGNOSTIC_FLAG, MATERIALIZE_EXPERIMENTAL_FLAG, \ |
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56 MATERIALIZE_NOTPRODUCT_FLAG, \ |
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57 MATERIALIZE_MANAGEABLE_FLAG, MATERIALIZE_PRODUCT_RW_FLAG, \ |
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58 MATERIALIZE_LP64_PRODUCT_FLAG) |
0 | 59 |
60 RUNTIME_OS_FLAGS(MATERIALIZE_DEVELOPER_FLAG, MATERIALIZE_PD_DEVELOPER_FLAG, \ | |
61 MATERIALIZE_PRODUCT_FLAG, MATERIALIZE_PD_PRODUCT_FLAG, \ | |
62 MATERIALIZE_DIAGNOSTIC_FLAG, MATERIALIZE_NOTPRODUCT_FLAG) | |
63 | |
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64 ARCH_FLAGS(MATERIALIZE_DEVELOPER_FLAG, MATERIALIZE_PRODUCT_FLAG, \ |
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65 MATERIALIZE_DIAGNOSTIC_FLAG, MATERIALIZE_EXPERIMENTAL_FLAG, \ |
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66 MATERIALIZE_NOTPRODUCT_FLAG) |
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67 |
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68 MATERIALIZE_FLAGS_EXT |
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69 |
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70 |
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71 static bool is_product_build() { |
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72 #ifdef PRODUCT |
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73 return true; |
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74 #else |
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75 return false; |
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76 #endif |
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77 } |
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78 |
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79 void Flag::check_writable() { |
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80 if (is_constant_in_binary()) { |
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81 fatal(err_msg("flag is constant: %s", _name)); |
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82 } |
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83 } |
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84 |
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85 bool Flag::is_bool() const { |
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86 return strcmp(_type, "bool") == 0; |
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87 } |
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88 |
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89 bool Flag::get_bool() const { |
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90 return *((bool*) _addr); |
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91 } |
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92 |
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93 void Flag::set_bool(bool value) { |
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94 check_writable(); |
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95 *((bool*) _addr) = value; |
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96 } |
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97 |
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98 bool Flag::is_intx() const { |
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99 return strcmp(_type, "intx") == 0; |
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100 } |
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101 |
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102 intx Flag::get_intx() const { |
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103 return *((intx*) _addr); |
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104 } |
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105 |
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106 void Flag::set_intx(intx value) { |
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107 check_writable(); |
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108 *((intx*) _addr) = value; |
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109 } |
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110 |
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111 bool Flag::is_uintx() const { |
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112 return strcmp(_type, "uintx") == 0; |
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113 } |
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114 |
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115 uintx Flag::get_uintx() const { |
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116 return *((uintx*) _addr); |
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117 } |
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118 |
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119 void Flag::set_uintx(uintx value) { |
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120 check_writable(); |
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121 *((uintx*) _addr) = value; |
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122 } |
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123 |
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124 bool Flag::is_uint64_t() const { |
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125 return strcmp(_type, "uint64_t") == 0; |
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126 } |
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127 |
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128 uint64_t Flag::get_uint64_t() const { |
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129 return *((uint64_t*) _addr); |
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130 } |
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131 |
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132 void Flag::set_uint64_t(uint64_t value) { |
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133 check_writable(); |
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134 *((uint64_t*) _addr) = value; |
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135 } |
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136 |
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137 bool Flag::is_double() const { |
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138 return strcmp(_type, "double") == 0; |
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139 } |
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140 |
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141 double Flag::get_double() const { |
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142 return *((double*) _addr); |
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143 } |
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144 |
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145 void Flag::set_double(double value) { |
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146 check_writable(); |
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147 *((double*) _addr) = value; |
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148 } |
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149 |
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150 bool Flag::is_ccstr() const { |
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151 return strcmp(_type, "ccstr") == 0 || strcmp(_type, "ccstrlist") == 0; |
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152 } |
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153 |
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154 bool Flag::ccstr_accumulates() const { |
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155 return strcmp(_type, "ccstrlist") == 0; |
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156 } |
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157 |
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158 ccstr Flag::get_ccstr() const { |
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159 return *((ccstr*) _addr); |
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160 } |
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161 |
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162 void Flag::set_ccstr(ccstr value) { |
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163 check_writable(); |
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164 *((ccstr*) _addr) = value; |
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165 } |
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166 |
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167 |
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168 Flag::Flags Flag::get_origin() { |
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169 return Flags(_flags & VALUE_ORIGIN_MASK); |
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170 } |
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171 |
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172 void Flag::set_origin(Flags origin) { |
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173 assert((origin & VALUE_ORIGIN_MASK) == origin, "sanity"); |
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174 _flags = Flags((_flags & ~VALUE_ORIGIN_MASK) | origin); |
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175 } |
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176 |
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177 bool Flag::is_default() { |
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178 return (get_origin() == DEFAULT); |
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179 } |
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180 |
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181 bool Flag::is_ergonomic() { |
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182 return (get_origin() == ERGONOMIC); |
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183 } |
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184 |
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185 bool Flag::is_command_line() { |
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186 return (get_origin() == COMMAND_LINE); |
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187 } |
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188 |
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189 bool Flag::is_product() const { |
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190 return (_flags & KIND_PRODUCT) != 0; |
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191 } |
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192 |
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193 bool Flag::is_manageable() const { |
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194 return (_flags & KIND_MANAGEABLE) != 0; |
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195 } |
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196 |
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197 bool Flag::is_diagnostic() const { |
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198 return (_flags & KIND_DIAGNOSTIC) != 0; |
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199 } |
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200 |
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201 bool Flag::is_experimental() const { |
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202 return (_flags & KIND_EXPERIMENTAL) != 0; |
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203 } |
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204 |
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205 bool Flag::is_notproduct() const { |
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206 return (_flags & KIND_NOT_PRODUCT) != 0; |
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207 } |
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208 |
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209 bool Flag::is_develop() const { |
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210 return (_flags & KIND_DEVELOP) != 0; |
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211 } |
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212 |
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213 bool Flag::is_read_write() const { |
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214 return (_flags & KIND_READ_WRITE) != 0; |
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215 } |
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216 |
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217 bool Flag::is_commercial() const { |
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218 return (_flags & KIND_COMMERCIAL) != 0; |
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219 } |
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220 |
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221 /** |
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222 * Returns if this flag is a constant in the binary. Right now this is |
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223 * true for notproduct and develop flags in product builds. |
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224 */ |
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225 bool Flag::is_constant_in_binary() const { |
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226 #ifdef PRODUCT |
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227 return is_notproduct() || is_develop(); |
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228 #else |
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229 return false; |
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230 #endif |
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231 } |
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232 |
0 | 233 bool Flag::is_unlocker() const { |
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234 return strcmp(_name, "UnlockDiagnosticVMOptions") == 0 || |
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235 strcmp(_name, "UnlockExperimentalVMOptions") == 0 || |
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236 is_unlocker_ext(); |
0 | 237 } |
238 | |
239 bool Flag::is_unlocked() const { | |
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240 if (is_diagnostic()) { |
0 | 241 return UnlockDiagnosticVMOptions; |
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242 } |
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243 if (is_experimental()) { |
350
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244 return UnlockExperimentalVMOptions; |
0 | 245 } |
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246 return is_unlocked_ext(); |
0 | 247 } |
248 | |
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249 // Get custom message for this locked flag, or return NULL if |
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250 // none is available. |
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251 void Flag::get_locked_message(char* buf, int buflen) const { |
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252 buf[0] = '\0'; |
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253 if (is_diagnostic() && !is_unlocked()) { |
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254 jio_snprintf(buf, buflen, "Error: VM option '%s' is diagnostic and must be enabled via -XX:+UnlockDiagnosticVMOptions.\n", |
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255 _name); |
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256 return; |
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257 } |
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258 if (is_experimental() && !is_unlocked()) { |
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259 jio_snprintf(buf, buflen, "Error: VM option '%s' is experimental and must be enabled via -XX:+UnlockExperimentalVMOptions.\n", |
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260 _name); |
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261 return; |
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262 } |
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263 if (is_develop() && is_product_build()) { |
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264 jio_snprintf(buf, buflen, "Error: VM option '%s' is develop and is available only in debug version of VM.\n", |
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265 _name); |
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266 return; |
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267 } |
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268 if (is_notproduct() && is_product_build()) { |
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269 jio_snprintf(buf, buflen, "Error: VM option '%s' is notproduct and is available only in debug version of VM.\n", |
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270 _name); |
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271 return; |
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272 } |
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273 get_locked_message_ext(buf, buflen); |
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274 } |
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275 |
0 | 276 bool Flag::is_writeable() const { |
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277 return is_manageable() || (is_product() && is_read_write()) || is_writeable_ext(); |
0 | 278 } |
279 | |
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280 // All flags except "manageable" are assumed to be internal flags. |
0 | 281 // Long term, we need to define a mechanism to specify which flags |
282 // are external/stable and change this function accordingly. | |
283 bool Flag::is_external() const { | |
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284 return is_manageable() || is_external_ext(); |
0 | 285 } |
286 | |
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287 |
0 | 288 // Length of format string (e.g. "%.1234s") for printing ccstr below |
289 #define FORMAT_BUFFER_LEN 16 | |
290 | |
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291 PRAGMA_FORMAT_NONLITERAL_IGNORED_EXTERNAL |
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292 void Flag::print_on(outputStream* st, bool withComments) { |
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293 // Don't print notproduct and develop flags in a product build. |
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294 if (is_constant_in_binary()) { |
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295 return; |
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296 } |
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297 |
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298 st->print("%9s %-40s %c= ", _type, _name, (!is_default() ? ':' : ' ')); |
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299 |
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300 if (is_bool()) { |
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301 st->print("%-16s", get_bool() ? "true" : "false"); |
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302 } |
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303 if (is_intx()) { |
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304 st->print("%-16ld", get_intx()); |
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305 } |
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306 if (is_uintx()) { |
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307 st->print("%-16lu", get_uintx()); |
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308 } |
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309 if (is_uint64_t()) { |
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310 st->print("%-16lu", get_uint64_t()); |
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311 } |
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312 if (is_double()) { |
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313 st->print("%-16f", get_double()); |
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314 } |
0 | 315 if (is_ccstr()) { |
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316 const char* cp = get_ccstr(); |
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317 if (cp != NULL) { |
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318 const char* eol; |
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319 while ((eol = strchr(cp, '\n')) != NULL) { |
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320 char format_buffer[FORMAT_BUFFER_LEN]; |
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321 size_t llen = pointer_delta(eol, cp, sizeof(char)); |
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322 jio_snprintf(format_buffer, FORMAT_BUFFER_LEN, |
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323 "%%." SIZE_FORMAT "s", llen); |
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324 PRAGMA_DIAG_PUSH |
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325 PRAGMA_FORMAT_NONLITERAL_IGNORED_INTERNAL |
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326 st->print(format_buffer, cp); |
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327 PRAGMA_DIAG_POP |
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328 st->cr(); |
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329 cp = eol+1; |
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330 st->print("%5s %-35s += ", "", _name); |
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331 } |
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332 st->print("%-16s", cp); |
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333 } |
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334 else st->print("%-16s", ""); |
0 | 335 } |
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336 |
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337 st->print("%-20s", " "); |
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338 print_kind(st); |
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339 |
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340 if (withComments) { |
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341 #ifndef PRODUCT |
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342 st->print("%s", _doc); |
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343 #endif |
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344 } |
0 | 345 st->cr(); |
346 } | |
347 | |
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348 void Flag::print_kind(outputStream* st) { |
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349 struct Data { |
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350 int flag; |
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351 const char* name; |
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352 }; |
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353 |
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354 Data data[] = { |
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355 { KIND_C1, "C1" }, |
12355 | 356 { KIND_GRAAL, "Graal" }, |
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357 { KIND_C2, "C2" }, |
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358 { KIND_ARCH, "ARCH" }, |
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359 { KIND_SHARK, "SHARK" }, |
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360 { KIND_PLATFORM_DEPENDENT, "pd" }, |
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361 { KIND_PRODUCT, "product" }, |
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362 { KIND_MANAGEABLE, "manageable" }, |
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363 { KIND_DIAGNOSTIC, "diagnostic" }, |
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364 { KIND_EXPERIMENTAL, "experimental" }, |
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365 { KIND_COMMERCIAL, "commercial" }, |
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366 { KIND_NOT_PRODUCT, "notproduct" }, |
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367 { KIND_DEVELOP, "develop" }, |
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368 { KIND_LP64_PRODUCT, "lp64_product" }, |
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369 { KIND_READ_WRITE, "rw" }, |
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370 { -1, "" } |
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371 }; |
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372 |
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373 if ((_flags & KIND_MASK) != 0) { |
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374 st->print("{"); |
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375 bool is_first = true; |
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376 |
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377 for (int i = 0; data[i].flag != -1; i++) { |
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378 Data d = data[i]; |
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379 if ((_flags & d.flag) != 0) { |
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380 if (is_first) { |
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381 is_first = false; |
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382 } else { |
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383 st->print(" "); |
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384 } |
18041 | 385 st->print_raw(d.name); |
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386 } |
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387 } |
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388 |
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389 st->print("}"); |
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390 } |
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391 } |
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392 |
0 | 393 void Flag::print_as_flag(outputStream* st) { |
394 if (is_bool()) { | |
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395 st->print("-XX:%s%s", get_bool() ? "+" : "-", _name); |
0 | 396 } else if (is_intx()) { |
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397 st->print("-XX:%s=" INTX_FORMAT, _name, get_intx()); |
0 | 398 } else if (is_uintx()) { |
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399 st->print("-XX:%s=" UINTX_FORMAT, _name, get_uintx()); |
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400 } else if (is_uint64_t()) { |
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401 st->print("-XX:%s=" UINT64_FORMAT, _name, get_uint64_t()); |
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402 } else if (is_double()) { |
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403 st->print("-XX:%s=%f", _name, get_double()); |
0 | 404 } else if (is_ccstr()) { |
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405 st->print("-XX:%s=", _name); |
103 | 406 const char* cp = get_ccstr(); |
407 if (cp != NULL) { | |
408 // Need to turn embedded '\n's back into separate arguments | |
409 // Not so efficient to print one character at a time, | |
410 // but the choice is to do the transformation to a buffer | |
411 // and print that. And this need not be efficient. | |
412 for (; *cp != '\0'; cp += 1) { | |
413 switch (*cp) { | |
414 default: | |
415 st->print("%c", *cp); | |
416 break; | |
417 case '\n': | |
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418 st->print(" -XX:%s=", _name); |
103 | 419 break; |
420 } | |
0 | 421 } |
422 } | |
423 } else { | |
424 ShouldNotReachHere(); | |
425 } | |
426 } | |
427 | |
428 // 4991491 do not "optimize out" the was_set false values: omitting them | |
429 // tickles a Microsoft compiler bug causing flagTable to be malformed | |
430 | |
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431 #define NAME(name) NOT_PRODUCT(&name) PRODUCT_ONLY(&CONST_##name) |
0 | 432 |
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433 #define RUNTIME_PRODUCT_FLAG_STRUCT( type, name, value, doc) { #type, XSTR(name), &name, NOT_PRODUCT_ARG(doc) Flag::Flags(Flag::DEFAULT | Flag::KIND_PRODUCT) }, |
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434 #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) }, |
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435 #define RUNTIME_DIAGNOSTIC_FLAG_STRUCT( type, name, value, doc) { #type, XSTR(name), &name, NOT_PRODUCT_ARG(doc) Flag::Flags(Flag::DEFAULT | Flag::KIND_DIAGNOSTIC) }, |
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436 #define RUNTIME_EXPERIMENTAL_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, NOT_PRODUCT_ARG(doc) Flag::Flags(Flag::DEFAULT | Flag::KIND_EXPERIMENTAL) }, |
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437 #define RUNTIME_MANAGEABLE_FLAG_STRUCT( type, name, value, doc) { #type, XSTR(name), &name, NOT_PRODUCT_ARG(doc) Flag::Flags(Flag::DEFAULT | Flag::KIND_MANAGEABLE) }, |
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438 #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) }, |
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439 #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) }, |
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440 #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) }, |
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441 #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 | 442 |
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443 #ifdef _LP64 |
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444 #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) }, |
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445 #else |
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446 #define RUNTIME_LP64_PRODUCT_FLAG_STRUCT(type, name, value, doc) /* flag is constant */ |
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447 #endif // _LP64 |
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448 |
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449 #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) }, |
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450 #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) }, |
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451 #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) }, |
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452 #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) }, |
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453 #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) }, |
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454 #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 | 455 |
12355 | 456 #define GRAAL_PRODUCT_FLAG_STRUCT( type, name, value, doc) { #type, XSTR(name), &name, NOT_PRODUCT_ARG(doc) Flag::Flags(Flag::DEFAULT | Flag::KIND_GRAAL | Flag::KIND_PRODUCT) }, |
457 #define GRAAL_PD_PRODUCT_FLAG_STRUCT( type, name, doc) { #type, XSTR(name), &name, NOT_PRODUCT_ARG(doc) Flag::Flags(Flag::DEFAULT | Flag::KIND_GRAAL | Flag::KIND_PRODUCT | Flag::KIND_PLATFORM_DEPENDENT) }, | |
458 #define GRAAL_DEVELOP_FLAG_STRUCT( type, name, value, doc) { #type, XSTR(name), NAME(name), NOT_PRODUCT_ARG(doc) Flag::Flags(Flag::DEFAULT | Flag::KIND_GRAAL | Flag::KIND_DEVELOP) }, | |
459 #define GRAAL_PD_DEVELOP_FLAG_STRUCT( type, name, doc) { #type, XSTR(name), NAME(name), NOT_PRODUCT_ARG(doc) Flag::Flags(Flag::DEFAULT | Flag::KIND_GRAAL | Flag::KIND_DEVELOP | Flag::KIND_PLATFORM_DEPENDENT) }, | |
460 #define GRAAL_NOTPRODUCT_FLAG_STRUCT( type, name, value, doc) { #type, XSTR(name), NAME(name), NOT_PRODUCT_ARG(doc) Flag::Flags(Flag::DEFAULT | Flag::KIND_GRAAL | Flag::KIND_NOT_PRODUCT) }, | |
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461 |
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462 #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) }, |
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463 #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) }, |
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464 #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) }, |
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465 #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) }, |
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466 #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) }, |
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467 #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) }, |
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468 #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 | 469 |
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470 #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) }, |
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471 #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) }, |
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472 #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) }, |
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473 #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) }, |
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474 #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) }, |
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475 |
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476 #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) }, |
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477 #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) }, |
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478 #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) }, |
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479 #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) }, |
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480 #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) }, |
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481 #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 | 482 |
483 static Flag flagTable[] = { | |
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484 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 | 485 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) |
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486 #if INCLUDE_ALL_GCS |
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487 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) |
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488 #endif // INCLUDE_ALL_GCS |
0 | 489 #ifdef COMPILER1 |
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490 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 | 491 #endif |
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492 #ifdef GRAAL |
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493 GRAAL_FLAGS(GRAAL_DEVELOP_FLAG_STRUCT, GRAAL_PD_DEVELOP_FLAG_STRUCT, GRAAL_PRODUCT_FLAG_STRUCT, GRAAL_PD_PRODUCT_FLAG_STRUCT, GRAAL_NOTPRODUCT_FLAG_STRUCT) |
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494 #endif |
0 | 495 #ifdef COMPILER2 |
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496 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 | 497 #endif |
1692 | 498 #ifdef SHARK |
499 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) | |
500 #endif | |
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501 ARCH_FLAGS(ARCH_DEVELOP_FLAG_STRUCT, ARCH_PRODUCT_FLAG_STRUCT, ARCH_DIAGNOSTIC_FLAG_STRUCT, ARCH_EXPERIMENTAL_FLAG_STRUCT, ARCH_NOTPRODUCT_FLAG_STRUCT) |
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502 FLAGTABLE_EXT |
0 | 503 {0, NULL, NULL} |
504 }; | |
505 | |
506 Flag* Flag::flags = flagTable; | |
507 size_t Flag::numFlags = (sizeof(flagTable) / sizeof(Flag)); | |
508 | |
11070 | 509 inline bool str_equal(const char* s, const char* q, size_t len) { |
0 | 510 // s is null terminated, q is not! |
511 if (strlen(s) != (unsigned int) len) return false; | |
512 return strncmp(s, q, len) == 0; | |
513 } | |
514 | |
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515 // Search the flag table for a named flag |
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516 Flag* Flag::find_flag(const char* name, size_t length, bool allow_locked, bool return_flag) { |
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517 for (Flag* current = &flagTable[0]; current->_name != NULL; current++) { |
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518 if (str_equal(current->_name, name, length)) { |
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519 // Found a matching entry. |
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520 // Don't report notproduct and develop flags in product builds. |
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521 if (current->is_constant_in_binary()) { |
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522 return (return_flag == true ? current : NULL); |
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523 } |
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524 // Report locked flags only if allowed. |
0 | 525 if (!(current->is_unlocked() || current->is_unlocker())) { |
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526 if (!allow_locked) { |
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527 // disable use of locked flags, e.g. diagnostic, experimental, |
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528 // commercial... until they are explicitly unlocked |
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529 return NULL; |
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530 } |
0 | 531 } |
532 return current; | |
533 } | |
534 } | |
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535 // Flag name is not in the flag table |
0 | 536 return NULL; |
537 } | |
538 | |
11070 | 539 // Compute string similarity based on Dice's coefficient |
540 static float str_similar(const char* str1, const char* str2, size_t len2) { | |
541 int len1 = (int) strlen(str1); | |
542 int total = len1 + (int) len2; | |
543 | |
544 int hit = 0; | |
545 | |
546 for (int i = 0; i < len1 -1; ++i) { | |
547 for (int j = 0; j < (int) len2 -1; ++j) { | |
548 if ((str1[i] == str2[j]) && (str1[i+1] == str2[j+1])) { | |
549 ++hit; | |
550 break; | |
551 } | |
552 } | |
553 } | |
554 | |
555 return 2.0f * (float) hit / (float) total; | |
556 } | |
557 | |
558 Flag* Flag::fuzzy_match(const char* name, size_t length, bool allow_locked) { | |
559 float VMOptionsFuzzyMatchSimilarity = 0.7f; | |
560 Flag* match = NULL; | |
561 float score; | |
562 float max_score = -1; | |
563 | |
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564 for (Flag* current = &flagTable[0]; current->_name != NULL; current++) { |
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565 score = str_similar(current->_name, name, length); |
11070 | 566 if (score > max_score) { |
567 max_score = score; | |
568 match = current; | |
569 } | |
570 } | |
571 | |
572 if (!(match->is_unlocked() || match->is_unlocker())) { | |
573 if (!allow_locked) { | |
574 return NULL; | |
575 } | |
576 } | |
577 | |
578 if (max_score < VMOptionsFuzzyMatchSimilarity) { | |
579 return NULL; | |
580 } | |
581 | |
582 return match; | |
583 } | |
584 | |
0 | 585 // Returns the address of the index'th element |
586 static Flag* address_of_flag(CommandLineFlagWithType flag) { | |
587 assert((size_t)flag < Flag::numFlags, "bad command line flag index"); | |
588 return &Flag::flags[flag]; | |
589 } | |
590 | |
591 bool CommandLineFlagsEx::is_default(CommandLineFlag flag) { | |
592 assert((size_t)flag < Flag::numFlags, "bad command line flag index"); | |
593 Flag* f = &Flag::flags[flag]; | |
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594 return f->is_default(); |
0 | 595 } |
596 | |
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597 bool CommandLineFlagsEx::is_ergo(CommandLineFlag flag) { |
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598 assert((size_t)flag < Flag::numFlags, "bad command line flag index"); |
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599 Flag* f = &Flag::flags[flag]; |
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600 return f->is_ergonomic(); |
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601 } |
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602 |
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603 bool CommandLineFlagsEx::is_cmdline(CommandLineFlag flag) { |
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604 assert((size_t)flag < Flag::numFlags, "bad command line flag index"); |
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605 Flag* f = &Flag::flags[flag]; |
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606 return f->is_command_line(); |
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607 } |
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608 |
0 | 609 bool CommandLineFlags::wasSetOnCmdline(const char* name, bool* value) { |
610 Flag* result = Flag::find_flag((char*)name, strlen(name)); | |
611 if (result == NULL) return false; | |
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612 *value = result->is_command_line(); |
0 | 613 return true; |
614 } | |
615 | |
17691 | 616 template<class E, class T> |
617 static void trace_flag_changed(const char* name, const T old_value, const T new_value, const Flag::Flags origin) | |
618 { | |
619 E e; | |
620 e.set_name(name); | |
621 e.set_old_value(old_value); | |
622 e.set_new_value(new_value); | |
623 e.set_origin(origin); | |
624 e.commit(); | |
625 } | |
626 | |
0 | 627 bool CommandLineFlags::boolAt(char* name, size_t len, bool* value) { |
628 Flag* result = Flag::find_flag(name, len); | |
629 if (result == NULL) return false; | |
630 if (!result->is_bool()) return false; | |
631 *value = result->get_bool(); | |
632 return true; | |
633 } | |
634 | |
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635 bool CommandLineFlags::boolAtPut(char* name, size_t len, bool* value, Flag::Flags origin) { |
0 | 636 Flag* result = Flag::find_flag(name, len); |
637 if (result == NULL) return false; | |
638 if (!result->is_bool()) return false; | |
639 bool old_value = result->get_bool(); | |
17691 | 640 trace_flag_changed<EventBooleanFlagChanged, bool>(name, old_value, *value, origin); |
0 | 641 result->set_bool(*value); |
642 *value = old_value; | |
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643 result->set_origin(origin); |
0 | 644 return true; |
645 } | |
646 | |
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647 void CommandLineFlagsEx::boolAtPut(CommandLineFlagWithType flag, bool value, Flag::Flags origin) { |
0 | 648 Flag* faddr = address_of_flag(flag); |
649 guarantee(faddr != NULL && faddr->is_bool(), "wrong flag type"); | |
17691 | 650 trace_flag_changed<EventBooleanFlagChanged, bool>(faddr->_name, faddr->get_bool(), value, origin); |
0 | 651 faddr->set_bool(value); |
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652 faddr->set_origin(origin); |
0 | 653 } |
654 | |
655 bool CommandLineFlags::intxAt(char* name, size_t len, intx* value) { | |
656 Flag* result = Flag::find_flag(name, len); | |
657 if (result == NULL) return false; | |
658 if (!result->is_intx()) return false; | |
659 *value = result->get_intx(); | |
660 return true; | |
661 } | |
662 | |
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663 bool CommandLineFlags::intxAtPut(char* name, size_t len, intx* value, Flag::Flags origin) { |
0 | 664 Flag* result = Flag::find_flag(name, len); |
665 if (result == NULL) return false; | |
666 if (!result->is_intx()) return false; | |
667 intx old_value = result->get_intx(); | |
17691 | 668 trace_flag_changed<EventLongFlagChanged, s8>(name, old_value, *value, origin); |
0 | 669 result->set_intx(*value); |
670 *value = old_value; | |
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671 result->set_origin(origin); |
0 | 672 return true; |
673 } | |
674 | |
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675 void CommandLineFlagsEx::intxAtPut(CommandLineFlagWithType flag, intx value, Flag::Flags origin) { |
0 | 676 Flag* faddr = address_of_flag(flag); |
677 guarantee(faddr != NULL && faddr->is_intx(), "wrong flag type"); | |
17691 | 678 trace_flag_changed<EventLongFlagChanged, s8>(faddr->_name, faddr->get_intx(), value, origin); |
0 | 679 faddr->set_intx(value); |
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680 faddr->set_origin(origin); |
0 | 681 } |
682 | |
683 bool CommandLineFlags::uintxAt(char* name, size_t len, uintx* value) { | |
684 Flag* result = Flag::find_flag(name, len); | |
685 if (result == NULL) return false; | |
686 if (!result->is_uintx()) return false; | |
687 *value = result->get_uintx(); | |
688 return true; | |
689 } | |
690 | |
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691 bool CommandLineFlags::uintxAtPut(char* name, size_t len, uintx* value, Flag::Flags origin) { |
0 | 692 Flag* result = Flag::find_flag(name, len); |
693 if (result == NULL) return false; | |
694 if (!result->is_uintx()) return false; | |
695 uintx old_value = result->get_uintx(); | |
17691 | 696 trace_flag_changed<EventUnsignedLongFlagChanged, u8>(name, old_value, *value, origin); |
0 | 697 result->set_uintx(*value); |
698 *value = old_value; | |
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699 result->set_origin(origin); |
0 | 700 return true; |
701 } | |
702 | |
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703 void CommandLineFlagsEx::uintxAtPut(CommandLineFlagWithType flag, uintx value, Flag::Flags origin) { |
0 | 704 Flag* faddr = address_of_flag(flag); |
705 guarantee(faddr != NULL && faddr->is_uintx(), "wrong flag type"); | |
17691 | 706 trace_flag_changed<EventUnsignedLongFlagChanged, u8>(faddr->_name, faddr->get_uintx(), value, origin); |
0 | 707 faddr->set_uintx(value); |
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708 faddr->set_origin(origin); |
0 | 709 } |
710 | |
1064 | 711 bool CommandLineFlags::uint64_tAt(char* name, size_t len, uint64_t* value) { |
712 Flag* result = Flag::find_flag(name, len); | |
713 if (result == NULL) return false; | |
714 if (!result->is_uint64_t()) return false; | |
715 *value = result->get_uint64_t(); | |
716 return true; | |
717 } | |
718 | |
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719 bool CommandLineFlags::uint64_tAtPut(char* name, size_t len, uint64_t* value, Flag::Flags origin) { |
1064 | 720 Flag* result = Flag::find_flag(name, len); |
721 if (result == NULL) return false; | |
722 if (!result->is_uint64_t()) return false; | |
723 uint64_t old_value = result->get_uint64_t(); | |
17691 | 724 trace_flag_changed<EventUnsignedLongFlagChanged, u8>(name, old_value, *value, origin); |
1064 | 725 result->set_uint64_t(*value); |
726 *value = old_value; | |
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727 result->set_origin(origin); |
1064 | 728 return true; |
729 } | |
730 | |
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731 void CommandLineFlagsEx::uint64_tAtPut(CommandLineFlagWithType flag, uint64_t value, Flag::Flags origin) { |
1064 | 732 Flag* faddr = address_of_flag(flag); |
733 guarantee(faddr != NULL && faddr->is_uint64_t(), "wrong flag type"); | |
17691 | 734 trace_flag_changed<EventUnsignedLongFlagChanged, u8>(faddr->_name, faddr->get_uint64_t(), value, origin); |
1064 | 735 faddr->set_uint64_t(value); |
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736 faddr->set_origin(origin); |
1064 | 737 } |
738 | |
0 | 739 bool CommandLineFlags::doubleAt(char* name, size_t len, double* value) { |
740 Flag* result = Flag::find_flag(name, len); | |
741 if (result == NULL) return false; | |
742 if (!result->is_double()) return false; | |
743 *value = result->get_double(); | |
744 return true; | |
745 } | |
746 | |
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747 bool CommandLineFlags::doubleAtPut(char* name, size_t len, double* value, Flag::Flags origin) { |
0 | 748 Flag* result = Flag::find_flag(name, len); |
749 if (result == NULL) return false; | |
750 if (!result->is_double()) return false; | |
751 double old_value = result->get_double(); | |
17691 | 752 trace_flag_changed<EventDoubleFlagChanged, double>(name, old_value, *value, origin); |
0 | 753 result->set_double(*value); |
754 *value = old_value; | |
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755 result->set_origin(origin); |
0 | 756 return true; |
757 } | |
758 | |
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759 void CommandLineFlagsEx::doubleAtPut(CommandLineFlagWithType flag, double value, Flag::Flags origin) { |
0 | 760 Flag* faddr = address_of_flag(flag); |
761 guarantee(faddr != NULL && faddr->is_double(), "wrong flag type"); | |
17691 | 762 trace_flag_changed<EventDoubleFlagChanged, double>(faddr->_name, faddr->get_double(), value, origin); |
0 | 763 faddr->set_double(value); |
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764 faddr->set_origin(origin); |
0 | 765 } |
766 | |
767 bool CommandLineFlags::ccstrAt(char* name, size_t len, ccstr* value) { | |
768 Flag* result = Flag::find_flag(name, len); | |
769 if (result == NULL) return false; | |
770 if (!result->is_ccstr()) return false; | |
771 *value = result->get_ccstr(); | |
772 return true; | |
773 } | |
774 | |
775 // Contract: Flag will make private copy of the incoming value. | |
776 // Outgoing value is always malloc-ed, and caller MUST call free. | |
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777 bool CommandLineFlags::ccstrAtPut(char* name, size_t len, ccstr* value, Flag::Flags origin) { |
0 | 778 Flag* result = Flag::find_flag(name, len); |
779 if (result == NULL) return false; | |
780 if (!result->is_ccstr()) return false; | |
781 ccstr old_value = result->get_ccstr(); | |
17691 | 782 trace_flag_changed<EventStringFlagChanged, const char*>(name, old_value, *value, origin); |
370
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783 char* new_value = NULL; |
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784 if (*value != NULL) { |
6197 | 785 new_value = NEW_C_HEAP_ARRAY(char, strlen(*value)+1, mtInternal); |
370
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786 strcpy(new_value, *value); |
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787 } |
0 | 788 result->set_ccstr(new_value); |
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789 if (result->is_default() && old_value != NULL) { |
0 | 790 // Prior value is NOT heap allocated, but was a literal constant. |
6197 | 791 char* old_value_to_free = NEW_C_HEAP_ARRAY(char, strlen(old_value)+1, mtInternal); |
0 | 792 strcpy(old_value_to_free, old_value); |
793 old_value = old_value_to_free; | |
794 } | |
795 *value = old_value; | |
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796 result->set_origin(origin); |
0 | 797 return true; |
798 } | |
799 | |
800 // Contract: Flag will make private copy of the incoming value. | |
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801 void CommandLineFlagsEx::ccstrAtPut(CommandLineFlagWithType flag, ccstr value, Flag::Flags origin) { |
0 | 802 Flag* faddr = address_of_flag(flag); |
803 guarantee(faddr != NULL && faddr->is_ccstr(), "wrong flag type"); | |
804 ccstr old_value = faddr->get_ccstr(); | |
17691 | 805 trace_flag_changed<EventStringFlagChanged, const char*>(faddr->_name, old_value, value, origin); |
6197 | 806 char* new_value = NEW_C_HEAP_ARRAY(char, strlen(value)+1, mtInternal); |
0 | 807 strcpy(new_value, value); |
808 faddr->set_ccstr(new_value); | |
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809 if (!faddr->is_default() && old_value != NULL) { |
0 | 810 // Prior value is heap allocated so free it. |
6197 | 811 FREE_C_HEAP_ARRAY(char, old_value, mtInternal); |
0 | 812 } |
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813 faddr->set_origin(origin); |
0 | 814 } |
815 | |
816 extern "C" { | |
817 static int compare_flags(const void* void_a, const void* void_b) { | |
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818 return strcmp((*((Flag**) void_a))->_name, (*((Flag**) void_b))->_name); |
0 | 819 } |
820 } | |
821 | |
4773 | 822 void CommandLineFlags::printSetFlags(outputStream* out) { |
0 | 823 // Print which flags were set on the command line |
824 // note: this method is called before the thread structure is in place | |
825 // which means resource allocation cannot be used. | |
826 | |
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827 // The last entry is the null entry. |
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828 const size_t length = Flag::numFlags - 1; |
0 | 829 |
830 // Sort | |
6197 | 831 Flag** array = NEW_C_HEAP_ARRAY(Flag*, length, mtInternal); |
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832 for (size_t i = 0; i < length; i++) { |
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833 array[i] = &flagTable[i]; |
0 | 834 } |
835 qsort(array, length, sizeof(Flag*), compare_flags); | |
836 | |
837 // Print | |
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838 for (size_t i = 0; i < length; i++) { |
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839 if (array[i]->get_origin() /* naked field! */) { |
4773 | 840 array[i]->print_as_flag(out); |
841 out->print(" "); | |
0 | 842 } |
843 } | |
4773 | 844 out->cr(); |
6197 | 845 FREE_C_HEAP_ARRAY(Flag*, array, mtInternal); |
0 | 846 } |
847 | |
848 #ifndef PRODUCT | |
849 | |
850 | |
851 void CommandLineFlags::verify() { | |
852 assert(Arguments::check_vm_args_consistency(), "Some flag settings conflict"); | |
853 } | |
854 | |
1150 | 855 #endif // PRODUCT |
856 | |
4773 | 857 void CommandLineFlags::printFlags(outputStream* out, bool withComments) { |
0 | 858 // Print the flags sorted by name |
859 // note: this method is called before the thread structure is in place | |
860 // which means resource allocation cannot be used. | |
861 | |
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862 // The last entry is the null entry. |
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863 const size_t length = Flag::numFlags - 1; |
0 | 864 |
865 // Sort | |
6197 | 866 Flag** array = NEW_C_HEAP_ARRAY(Flag*, length, mtInternal); |
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867 for (size_t i = 0; i < length; i++) { |
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868 array[i] = &flagTable[i]; |
0 | 869 } |
870 qsort(array, length, sizeof(Flag*), compare_flags); | |
871 | |
872 // Print | |
4773 | 873 out->print_cr("[Global flags]"); |
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874 for (size_t i = 0; i < length; i++) { |
0 | 875 if (array[i]->is_unlocked()) { |
4773 | 876 array[i]->print_on(out, withComments); |
0 | 877 } |
878 } | |
6197 | 879 FREE_C_HEAP_ARRAY(Flag*, array, mtInternal); |
0 | 880 } |