Mercurial > hg > truffle
annotate src/share/vm/runtime/globals.cpp @ 13046:613e6a6fc328
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author | iveresov |
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date | Tue, 05 Nov 2013 02:29:41 -0800 |
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children | cefad50507d8 396564992823 |
rev | line source |
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0 | 1 /* |
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2 * Copyright (c) 1997, 2013, 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" |
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34 #if INCLUDE_ALL_GCS |
1972 | 35 #include "gc_implementation/g1/g1_globals.hpp" |
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36 #endif // INCLUDE_ALL_GCS |
1972 | 37 #ifdef COMPILER1 |
38 #include "c1/c1_globals.hpp" | |
39 #endif | |
40 #ifdef COMPILER2 | |
41 #include "opto/c2_globals.hpp" | |
42 #endif | |
43 #ifdef SHARK | |
44 #include "shark/shark_globals.hpp" | |
45 #endif | |
0 | 46 |
47 RUNTIME_FLAGS(MATERIALIZE_DEVELOPER_FLAG, MATERIALIZE_PD_DEVELOPER_FLAG, \ | |
48 MATERIALIZE_PRODUCT_FLAG, MATERIALIZE_PD_PRODUCT_FLAG, \ | |
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49 MATERIALIZE_DIAGNOSTIC_FLAG, MATERIALIZE_EXPERIMENTAL_FLAG, \ |
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50 MATERIALIZE_NOTPRODUCT_FLAG, \ |
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51 MATERIALIZE_MANAGEABLE_FLAG, MATERIALIZE_PRODUCT_RW_FLAG, \ |
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52 MATERIALIZE_LP64_PRODUCT_FLAG) |
0 | 53 |
54 RUNTIME_OS_FLAGS(MATERIALIZE_DEVELOPER_FLAG, MATERIALIZE_PD_DEVELOPER_FLAG, \ | |
55 MATERIALIZE_PRODUCT_FLAG, MATERIALIZE_PD_PRODUCT_FLAG, \ | |
56 MATERIALIZE_DIAGNOSTIC_FLAG, MATERIALIZE_NOTPRODUCT_FLAG) | |
57 | |
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58 ARCH_FLAGS(MATERIALIZE_DEVELOPER_FLAG, MATERIALIZE_PRODUCT_FLAG, \ |
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59 MATERIALIZE_DIAGNOSTIC_FLAG, MATERIALIZE_EXPERIMENTAL_FLAG, \ |
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60 MATERIALIZE_NOTPRODUCT_FLAG) |
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61 |
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62 MATERIALIZE_FLAGS_EXT |
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63 |
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64 |
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65 void Flag::check_writable() { |
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66 if (is_constant_in_binary()) { |
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67 fatal(err_msg("flag is constant: %s", _name)); |
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68 } |
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69 } |
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70 |
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71 bool Flag::is_bool() const { |
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72 return strcmp(_type, "bool") == 0; |
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73 } |
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74 |
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75 bool Flag::get_bool() const { |
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76 return *((bool*) _addr); |
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77 } |
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78 |
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79 void Flag::set_bool(bool value) { |
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80 check_writable(); |
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81 *((bool*) _addr) = value; |
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82 } |
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83 |
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84 bool Flag::is_intx() const { |
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85 return strcmp(_type, "intx") == 0; |
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86 } |
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87 |
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88 intx Flag::get_intx() const { |
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89 return *((intx*) _addr); |
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90 } |
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91 |
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92 void Flag::set_intx(intx value) { |
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93 check_writable(); |
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94 *((intx*) _addr) = value; |
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95 } |
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96 |
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97 bool Flag::is_uintx() const { |
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98 return strcmp(_type, "uintx") == 0; |
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99 } |
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100 |
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101 uintx Flag::get_uintx() const { |
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102 return *((uintx*) _addr); |
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103 } |
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104 |
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105 void Flag::set_uintx(uintx value) { |
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106 check_writable(); |
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107 *((uintx*) _addr) = value; |
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108 } |
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109 |
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110 bool Flag::is_uint64_t() const { |
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111 return strcmp(_type, "uint64_t") == 0; |
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112 } |
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113 |
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114 uint64_t Flag::get_uint64_t() const { |
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115 return *((uint64_t*) _addr); |
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116 } |
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117 |
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118 void Flag::set_uint64_t(uint64_t value) { |
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119 check_writable(); |
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120 *((uint64_t*) _addr) = value; |
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121 } |
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122 |
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123 bool Flag::is_double() const { |
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124 return strcmp(_type, "double") == 0; |
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125 } |
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126 |
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127 double Flag::get_double() const { |
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128 return *((double*) _addr); |
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129 } |
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130 |
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131 void Flag::set_double(double value) { |
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132 check_writable(); |
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133 *((double*) _addr) = value; |
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134 } |
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135 |
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136 bool Flag::is_ccstr() const { |
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137 return strcmp(_type, "ccstr") == 0 || strcmp(_type, "ccstrlist") == 0; |
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138 } |
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139 |
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140 bool Flag::ccstr_accumulates() const { |
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141 return strcmp(_type, "ccstrlist") == 0; |
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142 } |
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143 |
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144 ccstr Flag::get_ccstr() const { |
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145 return *((ccstr*) _addr); |
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146 } |
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147 |
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148 void Flag::set_ccstr(ccstr value) { |
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149 check_writable(); |
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150 *((ccstr*) _addr) = value; |
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151 } |
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152 |
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153 |
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154 Flag::Flags Flag::get_origin() { |
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155 return Flags(_flags & VALUE_ORIGIN_MASK); |
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156 } |
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157 |
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158 void Flag::set_origin(Flags origin) { |
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159 assert((origin & VALUE_ORIGIN_MASK) == origin, "sanity"); |
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160 _flags = Flags((_flags & ~VALUE_ORIGIN_MASK) | origin); |
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161 } |
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162 |
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163 bool Flag::is_default() { |
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164 return (get_origin() == DEFAULT); |
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165 } |
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166 |
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167 bool Flag::is_ergonomic() { |
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168 return (get_origin() == ERGONOMIC); |
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169 } |
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170 |
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171 bool Flag::is_command_line() { |
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172 return (get_origin() == COMMAND_LINE); |
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173 } |
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174 |
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175 bool Flag::is_product() const { |
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176 return (_flags & KIND_PRODUCT) != 0; |
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177 } |
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178 |
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179 bool Flag::is_manageable() const { |
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180 return (_flags & KIND_MANAGEABLE) != 0; |
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181 } |
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182 |
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183 bool Flag::is_diagnostic() const { |
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184 return (_flags & KIND_DIAGNOSTIC) != 0; |
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185 } |
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186 |
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187 bool Flag::is_experimental() const { |
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188 return (_flags & KIND_EXPERIMENTAL) != 0; |
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189 } |
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190 |
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191 bool Flag::is_notproduct() const { |
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192 return (_flags & KIND_NOT_PRODUCT) != 0; |
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193 } |
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194 |
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195 bool Flag::is_develop() const { |
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196 return (_flags & KIND_DEVELOP) != 0; |
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197 } |
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198 |
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199 bool Flag::is_read_write() const { |
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200 return (_flags & KIND_READ_WRITE) != 0; |
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201 } |
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202 |
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203 bool Flag::is_commercial() const { |
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204 return (_flags & KIND_COMMERCIAL) != 0; |
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205 } |
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206 |
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207 /** |
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208 * Returns if this flag is a constant in the binary. Right now this is |
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209 * true for notproduct and develop flags in product builds. |
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210 */ |
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211 bool Flag::is_constant_in_binary() const { |
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212 #ifdef PRODUCT |
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213 return is_notproduct() || is_develop(); |
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214 #else |
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215 return false; |
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216 #endif |
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217 } |
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218 |
0 | 219 bool Flag::is_unlocker() const { |
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220 return strcmp(_name, "UnlockDiagnosticVMOptions") == 0 || |
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221 strcmp(_name, "UnlockExperimentalVMOptions") == 0 || |
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222 is_unlocker_ext(); |
0 | 223 } |
224 | |
225 bool Flag::is_unlocked() const { | |
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226 if (is_diagnostic()) { |
0 | 227 return UnlockDiagnosticVMOptions; |
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228 } |
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229 if (is_experimental()) { |
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230 return UnlockExperimentalVMOptions; |
0 | 231 } |
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232 return is_unlocked_ext(); |
0 | 233 } |
234 | |
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235 // Get custom message for this locked flag, or return NULL if |
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236 // none is available. |
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237 void Flag::get_locked_message(char* buf, int buflen) const { |
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238 get_locked_message_ext(buf, buflen); |
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239 } |
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240 |
0 | 241 bool Flag::is_writeable() const { |
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242 return is_manageable() || (is_product() && is_read_write()) || is_writeable_ext(); |
0 | 243 } |
244 | |
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245 // All flags except "manageable" are assumed to be internal flags. |
0 | 246 // Long term, we need to define a mechanism to specify which flags |
247 // are external/stable and change this function accordingly. | |
248 bool Flag::is_external() const { | |
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249 return is_manageable() || is_external_ext(); |
0 | 250 } |
251 | |
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252 |
0 | 253 // Length of format string (e.g. "%.1234s") for printing ccstr below |
254 #define FORMAT_BUFFER_LEN 16 | |
255 | |
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256 void Flag::print_on(outputStream* st, bool withComments) { |
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257 // Don't print notproduct and develop flags in a product build. |
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258 if (is_constant_in_binary()) { |
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259 return; |
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260 } |
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261 |
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262 st->print("%9s %-40s %c= ", _type, _name, (!is_default() ? ':' : ' ')); |
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263 |
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264 if (is_bool()) { |
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265 st->print("%-16s", get_bool() ? "true" : "false"); |
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266 } |
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267 if (is_intx()) { |
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268 st->print("%-16ld", get_intx()); |
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269 } |
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270 if (is_uintx()) { |
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271 st->print("%-16lu", get_uintx()); |
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272 } |
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273 if (is_uint64_t()) { |
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274 st->print("%-16lu", get_uint64_t()); |
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275 } |
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276 if (is_double()) { |
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277 st->print("%-16f", get_double()); |
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278 } |
0 | 279 if (is_ccstr()) { |
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280 const char* cp = get_ccstr(); |
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281 if (cp != NULL) { |
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282 const char* eol; |
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283 while ((eol = strchr(cp, '\n')) != NULL) { |
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284 char format_buffer[FORMAT_BUFFER_LEN]; |
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285 size_t llen = pointer_delta(eol, cp, sizeof(char)); |
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286 jio_snprintf(format_buffer, FORMAT_BUFFER_LEN, |
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287 "%%." SIZE_FORMAT "s", llen); |
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288 st->print(format_buffer, cp); |
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289 st->cr(); |
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290 cp = eol+1; |
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291 st->print("%5s %-35s += ", "", _name); |
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292 } |
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293 st->print("%-16s", cp); |
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294 } |
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295 else st->print("%-16s", ""); |
0 | 296 } |
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297 |
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298 st->print("%-20"); |
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299 print_kind(st); |
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300 |
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301 if (withComments) { |
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302 #ifndef PRODUCT |
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303 st->print("%s", _doc); |
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304 #endif |
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305 } |
0 | 306 st->cr(); |
307 } | |
308 | |
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309 void Flag::print_kind(outputStream* st) { |
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310 struct Data { |
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311 int flag; |
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312 const char* name; |
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313 }; |
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314 |
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315 Data data[] = { |
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316 { KIND_C1, "C1" }, |
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317 { KIND_C2, "C2" }, |
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318 { KIND_ARCH, "ARCH" }, |
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319 { KIND_SHARK, "SHARK" }, |
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320 { KIND_PLATFORM_DEPENDENT, "pd" }, |
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321 { KIND_PRODUCT, "product" }, |
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322 { KIND_MANAGEABLE, "manageable" }, |
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323 { KIND_DIAGNOSTIC, "diagnostic" }, |
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324 { KIND_NOT_PRODUCT, "notproduct" }, |
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325 { KIND_DEVELOP, "develop" }, |
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326 { KIND_LP64_PRODUCT, "lp64_product" }, |
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327 { KIND_READ_WRITE, "rw" }, |
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328 { -1, "" } |
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329 }; |
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330 |
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331 if ((_flags & KIND_MASK) != 0) { |
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332 st->print("{"); |
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333 bool is_first = true; |
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334 |
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335 for (int i = 0; data[i].flag != -1; i++) { |
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336 Data d = data[i]; |
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337 if ((_flags & d.flag) != 0) { |
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338 if (is_first) { |
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339 is_first = false; |
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340 } else { |
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341 st->print(" "); |
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342 } |
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343 st->print(d.name); |
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344 } |
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345 } |
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346 |
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347 st->print("}"); |
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348 } |
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349 } |
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350 |
0 | 351 void Flag::print_as_flag(outputStream* st) { |
352 if (is_bool()) { | |
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353 st->print("-XX:%s%s", get_bool() ? "+" : "-", _name); |
0 | 354 } else if (is_intx()) { |
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355 st->print("-XX:%s=" INTX_FORMAT, _name, get_intx()); |
0 | 356 } else if (is_uintx()) { |
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357 st->print("-XX:%s=" UINTX_FORMAT, _name, get_uintx()); |
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358 } else if (is_uint64_t()) { |
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359 st->print("-XX:%s=" UINT64_FORMAT, _name, get_uint64_t()); |
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360 } else if (is_double()) { |
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361 st->print("-XX:%s=%f", _name, get_double()); |
0 | 362 } else if (is_ccstr()) { |
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363 st->print("-XX:%s=", _name); |
103 | 364 const char* cp = get_ccstr(); |
365 if (cp != NULL) { | |
366 // Need to turn embedded '\n's back into separate arguments | |
367 // Not so efficient to print one character at a time, | |
368 // but the choice is to do the transformation to a buffer | |
369 // and print that. And this need not be efficient. | |
370 for (; *cp != '\0'; cp += 1) { | |
371 switch (*cp) { | |
372 default: | |
373 st->print("%c", *cp); | |
374 break; | |
375 case '\n': | |
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376 st->print(" -XX:%s=", _name); |
103 | 377 break; |
378 } | |
0 | 379 } |
380 } | |
381 } else { | |
382 ShouldNotReachHere(); | |
383 } | |
384 } | |
385 | |
386 // 4991491 do not "optimize out" the was_set false values: omitting them | |
387 // tickles a Microsoft compiler bug causing flagTable to be malformed | |
388 | |
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389 #define NAME(name) NOT_PRODUCT(&name) PRODUCT_ONLY(&CONST_##name) |
0 | 390 |
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391 #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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392 #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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393 #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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394 #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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395 #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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396 #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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397 #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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398 #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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399 #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 | 400 |
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401 #ifdef _LP64 |
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402 #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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403 #else |
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404 #define RUNTIME_LP64_PRODUCT_FLAG_STRUCT(type, name, value, doc) /* flag is constant */ |
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405 #endif // _LP64 |
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406 |
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407 #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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408 #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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409 #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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410 #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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411 #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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412 #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 | 413 |
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414 #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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415 #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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416 #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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417 #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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418 #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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419 #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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420 #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 | 421 |
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422 #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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423 #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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424 #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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425 #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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426 #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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427 |
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428 #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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429 #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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430 #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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431 #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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432 #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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433 #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 | 434 |
435 static Flag flagTable[] = { | |
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436 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 | 437 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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438 #if INCLUDE_ALL_GCS |
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439 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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440 #endif // INCLUDE_ALL_GCS |
0 | 441 #ifdef COMPILER1 |
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442 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 | 443 #endif |
444 #ifdef COMPILER2 | |
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445 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 | 446 #endif |
1692 | 447 #ifdef SHARK |
448 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) | |
449 #endif | |
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450 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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451 FLAGTABLE_EXT |
0 | 452 {0, NULL, NULL} |
453 }; | |
454 | |
455 Flag* Flag::flags = flagTable; | |
456 size_t Flag::numFlags = (sizeof(flagTable) / sizeof(Flag)); | |
457 | |
11070 | 458 inline bool str_equal(const char* s, const char* q, size_t len) { |
0 | 459 // s is null terminated, q is not! |
460 if (strlen(s) != (unsigned int) len) return false; | |
461 return strncmp(s, q, len) == 0; | |
462 } | |
463 | |
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464 // Search the flag table for a named flag |
11070 | 465 Flag* Flag::find_flag(const char* name, size_t length, bool allow_locked) { |
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466 for (Flag* current = &flagTable[0]; current->_name != NULL; current++) { |
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467 if (str_equal(current->_name, name, length)) { |
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468 // Found a matching entry. |
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469 // Don't report notproduct and develop flags in product builds. |
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470 if (current->is_constant_in_binary()) { |
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471 return NULL; |
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472 } |
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473 // Report locked flags only if allowed. |
0 | 474 if (!(current->is_unlocked() || current->is_unlocker())) { |
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475 if (!allow_locked) { |
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476 // disable use of locked flags, e.g. diagnostic, experimental, |
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477 // commercial... until they are explicitly unlocked |
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478 return NULL; |
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479 } |
0 | 480 } |
481 return current; | |
482 } | |
483 } | |
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484 // Flag name is not in the flag table |
0 | 485 return NULL; |
486 } | |
487 | |
11070 | 488 // Compute string similarity based on Dice's coefficient |
489 static float str_similar(const char* str1, const char* str2, size_t len2) { | |
490 int len1 = (int) strlen(str1); | |
491 int total = len1 + (int) len2; | |
492 | |
493 int hit = 0; | |
494 | |
495 for (int i = 0; i < len1 -1; ++i) { | |
496 for (int j = 0; j < (int) len2 -1; ++j) { | |
497 if ((str1[i] == str2[j]) && (str1[i+1] == str2[j+1])) { | |
498 ++hit; | |
499 break; | |
500 } | |
501 } | |
502 } | |
503 | |
504 return 2.0f * (float) hit / (float) total; | |
505 } | |
506 | |
507 Flag* Flag::fuzzy_match(const char* name, size_t length, bool allow_locked) { | |
508 float VMOptionsFuzzyMatchSimilarity = 0.7f; | |
509 Flag* match = NULL; | |
510 float score; | |
511 float max_score = -1; | |
512 | |
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513 for (Flag* current = &flagTable[0]; current->_name != NULL; current++) { |
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514 score = str_similar(current->_name, name, length); |
11070 | 515 if (score > max_score) { |
516 max_score = score; | |
517 match = current; | |
518 } | |
519 } | |
520 | |
521 if (!(match->is_unlocked() || match->is_unlocker())) { | |
522 if (!allow_locked) { | |
523 return NULL; | |
524 } | |
525 } | |
526 | |
527 if (max_score < VMOptionsFuzzyMatchSimilarity) { | |
528 return NULL; | |
529 } | |
530 | |
531 return match; | |
532 } | |
533 | |
0 | 534 // Returns the address of the index'th element |
535 static Flag* address_of_flag(CommandLineFlagWithType flag) { | |
536 assert((size_t)flag < Flag::numFlags, "bad command line flag index"); | |
537 return &Flag::flags[flag]; | |
538 } | |
539 | |
540 bool CommandLineFlagsEx::is_default(CommandLineFlag flag) { | |
541 assert((size_t)flag < Flag::numFlags, "bad command line flag index"); | |
542 Flag* f = &Flag::flags[flag]; | |
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543 return f->is_default(); |
0 | 544 } |
545 | |
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546 bool CommandLineFlagsEx::is_ergo(CommandLineFlag flag) { |
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547 assert((size_t)flag < Flag::numFlags, "bad command line flag index"); |
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548 Flag* f = &Flag::flags[flag]; |
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549 return f->is_ergonomic(); |
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550 } |
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551 |
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552 bool CommandLineFlagsEx::is_cmdline(CommandLineFlag flag) { |
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553 assert((size_t)flag < Flag::numFlags, "bad command line flag index"); |
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554 Flag* f = &Flag::flags[flag]; |
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555 return f->is_command_line(); |
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556 } |
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557 |
0 | 558 bool CommandLineFlags::wasSetOnCmdline(const char* name, bool* value) { |
559 Flag* result = Flag::find_flag((char*)name, strlen(name)); | |
560 if (result == NULL) return false; | |
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561 *value = result->is_command_line(); |
0 | 562 return true; |
563 } | |
564 | |
565 bool CommandLineFlags::boolAt(char* name, size_t len, bool* value) { | |
566 Flag* result = Flag::find_flag(name, len); | |
567 if (result == NULL) return false; | |
568 if (!result->is_bool()) return false; | |
569 *value = result->get_bool(); | |
570 return true; | |
571 } | |
572 | |
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573 bool CommandLineFlags::boolAtPut(char* name, size_t len, bool* value, Flag::Flags origin) { |
0 | 574 Flag* result = Flag::find_flag(name, len); |
575 if (result == NULL) return false; | |
576 if (!result->is_bool()) return false; | |
577 bool old_value = result->get_bool(); | |
578 result->set_bool(*value); | |
579 *value = old_value; | |
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580 result->set_origin(origin); |
0 | 581 return true; |
582 } | |
583 | |
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584 void CommandLineFlagsEx::boolAtPut(CommandLineFlagWithType flag, bool value, Flag::Flags origin) { |
0 | 585 Flag* faddr = address_of_flag(flag); |
586 guarantee(faddr != NULL && faddr->is_bool(), "wrong flag type"); | |
587 faddr->set_bool(value); | |
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588 faddr->set_origin(origin); |
0 | 589 } |
590 | |
591 bool CommandLineFlags::intxAt(char* name, size_t len, intx* value) { | |
592 Flag* result = Flag::find_flag(name, len); | |
593 if (result == NULL) return false; | |
594 if (!result->is_intx()) return false; | |
595 *value = result->get_intx(); | |
596 return true; | |
597 } | |
598 | |
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599 bool CommandLineFlags::intxAtPut(char* name, size_t len, intx* value, Flag::Flags origin) { |
0 | 600 Flag* result = Flag::find_flag(name, len); |
601 if (result == NULL) return false; | |
602 if (!result->is_intx()) return false; | |
603 intx old_value = result->get_intx(); | |
604 result->set_intx(*value); | |
605 *value = old_value; | |
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606 result->set_origin(origin); |
0 | 607 return true; |
608 } | |
609 | |
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610 void CommandLineFlagsEx::intxAtPut(CommandLineFlagWithType flag, intx value, Flag::Flags origin) { |
0 | 611 Flag* faddr = address_of_flag(flag); |
612 guarantee(faddr != NULL && faddr->is_intx(), "wrong flag type"); | |
613 faddr->set_intx(value); | |
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614 faddr->set_origin(origin); |
0 | 615 } |
616 | |
617 bool CommandLineFlags::uintxAt(char* name, size_t len, uintx* value) { | |
618 Flag* result = Flag::find_flag(name, len); | |
619 if (result == NULL) return false; | |
620 if (!result->is_uintx()) return false; | |
621 *value = result->get_uintx(); | |
622 return true; | |
623 } | |
624 | |
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625 bool CommandLineFlags::uintxAtPut(char* name, size_t len, uintx* value, Flag::Flags origin) { |
0 | 626 Flag* result = Flag::find_flag(name, len); |
627 if (result == NULL) return false; | |
628 if (!result->is_uintx()) return false; | |
629 uintx old_value = result->get_uintx(); | |
630 result->set_uintx(*value); | |
631 *value = old_value; | |
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632 result->set_origin(origin); |
0 | 633 return true; |
634 } | |
635 | |
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636 void CommandLineFlagsEx::uintxAtPut(CommandLineFlagWithType flag, uintx value, Flag::Flags origin) { |
0 | 637 Flag* faddr = address_of_flag(flag); |
638 guarantee(faddr != NULL && faddr->is_uintx(), "wrong flag type"); | |
639 faddr->set_uintx(value); | |
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640 faddr->set_origin(origin); |
0 | 641 } |
642 | |
1064 | 643 bool CommandLineFlags::uint64_tAt(char* name, size_t len, uint64_t* value) { |
644 Flag* result = Flag::find_flag(name, len); | |
645 if (result == NULL) return false; | |
646 if (!result->is_uint64_t()) return false; | |
647 *value = result->get_uint64_t(); | |
648 return true; | |
649 } | |
650 | |
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651 bool CommandLineFlags::uint64_tAtPut(char* name, size_t len, uint64_t* value, Flag::Flags origin) { |
1064 | 652 Flag* result = Flag::find_flag(name, len); |
653 if (result == NULL) return false; | |
654 if (!result->is_uint64_t()) return false; | |
655 uint64_t old_value = result->get_uint64_t(); | |
656 result->set_uint64_t(*value); | |
657 *value = old_value; | |
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658 result->set_origin(origin); |
1064 | 659 return true; |
660 } | |
661 | |
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662 void CommandLineFlagsEx::uint64_tAtPut(CommandLineFlagWithType flag, uint64_t value, Flag::Flags origin) { |
1064 | 663 Flag* faddr = address_of_flag(flag); |
664 guarantee(faddr != NULL && faddr->is_uint64_t(), "wrong flag type"); | |
665 faddr->set_uint64_t(value); | |
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666 faddr->set_origin(origin); |
1064 | 667 } |
668 | |
0 | 669 bool CommandLineFlags::doubleAt(char* name, size_t len, double* value) { |
670 Flag* result = Flag::find_flag(name, len); | |
671 if (result == NULL) return false; | |
672 if (!result->is_double()) return false; | |
673 *value = result->get_double(); | |
674 return true; | |
675 } | |
676 | |
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677 bool CommandLineFlags::doubleAtPut(char* name, size_t len, double* value, Flag::Flags origin) { |
0 | 678 Flag* result = Flag::find_flag(name, len); |
679 if (result == NULL) return false; | |
680 if (!result->is_double()) return false; | |
681 double old_value = result->get_double(); | |
682 result->set_double(*value); | |
683 *value = old_value; | |
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684 result->set_origin(origin); |
0 | 685 return true; |
686 } | |
687 | |
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688 void CommandLineFlagsEx::doubleAtPut(CommandLineFlagWithType flag, double value, Flag::Flags origin) { |
0 | 689 Flag* faddr = address_of_flag(flag); |
690 guarantee(faddr != NULL && faddr->is_double(), "wrong flag type"); | |
691 faddr->set_double(value); | |
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692 faddr->set_origin(origin); |
0 | 693 } |
694 | |
695 bool CommandLineFlags::ccstrAt(char* name, size_t len, ccstr* value) { | |
696 Flag* result = Flag::find_flag(name, len); | |
697 if (result == NULL) return false; | |
698 if (!result->is_ccstr()) return false; | |
699 *value = result->get_ccstr(); | |
700 return true; | |
701 } | |
702 | |
703 // Contract: Flag will make private copy of the incoming value. | |
704 // Outgoing value is always malloc-ed, and caller MUST call free. | |
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705 bool CommandLineFlags::ccstrAtPut(char* name, size_t len, ccstr* value, Flag::Flags origin) { |
0 | 706 Flag* result = Flag::find_flag(name, len); |
707 if (result == NULL) return false; | |
708 if (!result->is_ccstr()) return false; | |
709 ccstr old_value = result->get_ccstr(); | |
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710 char* new_value = NULL; |
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711 if (*value != NULL) { |
6197 | 712 new_value = NEW_C_HEAP_ARRAY(char, strlen(*value)+1, mtInternal); |
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713 strcpy(new_value, *value); |
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714 } |
0 | 715 result->set_ccstr(new_value); |
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716 if (result->is_default() && old_value != NULL) { |
0 | 717 // Prior value is NOT heap allocated, but was a literal constant. |
6197 | 718 char* old_value_to_free = NEW_C_HEAP_ARRAY(char, strlen(old_value)+1, mtInternal); |
0 | 719 strcpy(old_value_to_free, old_value); |
720 old_value = old_value_to_free; | |
721 } | |
722 *value = old_value; | |
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723 result->set_origin(origin); |
0 | 724 return true; |
725 } | |
726 | |
727 // Contract: Flag will make private copy of the incoming value. | |
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728 void CommandLineFlagsEx::ccstrAtPut(CommandLineFlagWithType flag, ccstr value, Flag::Flags origin) { |
0 | 729 Flag* faddr = address_of_flag(flag); |
730 guarantee(faddr != NULL && faddr->is_ccstr(), "wrong flag type"); | |
731 ccstr old_value = faddr->get_ccstr(); | |
6197 | 732 char* new_value = NEW_C_HEAP_ARRAY(char, strlen(value)+1, mtInternal); |
0 | 733 strcpy(new_value, value); |
734 faddr->set_ccstr(new_value); | |
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735 if (!faddr->is_default() && old_value != NULL) { |
0 | 736 // Prior value is heap allocated so free it. |
6197 | 737 FREE_C_HEAP_ARRAY(char, old_value, mtInternal); |
0 | 738 } |
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739 faddr->set_origin(origin); |
0 | 740 } |
741 | |
742 extern "C" { | |
743 static int compare_flags(const void* void_a, const void* void_b) { | |
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744 return strcmp((*((Flag**) void_a))->_name, (*((Flag**) void_b))->_name); |
0 | 745 } |
746 } | |
747 | |
4773 | 748 void CommandLineFlags::printSetFlags(outputStream* out) { |
0 | 749 // Print which flags were set on the command line |
750 // note: this method is called before the thread structure is in place | |
751 // which means resource allocation cannot be used. | |
752 | |
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753 // The last entry is the null entry. |
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754 const size_t length = Flag::numFlags - 1; |
0 | 755 |
756 // Sort | |
6197 | 757 Flag** array = NEW_C_HEAP_ARRAY(Flag*, length, mtInternal); |
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758 for (size_t i = 0; i < length; i++) { |
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759 array[i] = &flagTable[i]; |
0 | 760 } |
761 qsort(array, length, sizeof(Flag*), compare_flags); | |
762 | |
763 // Print | |
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764 for (size_t i = 0; i < length; i++) { |
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765 if (array[i]->get_origin() /* naked field! */) { |
4773 | 766 array[i]->print_as_flag(out); |
767 out->print(" "); | |
0 | 768 } |
769 } | |
4773 | 770 out->cr(); |
6197 | 771 FREE_C_HEAP_ARRAY(Flag*, array, mtInternal); |
0 | 772 } |
773 | |
774 #ifndef PRODUCT | |
775 | |
776 | |
777 void CommandLineFlags::verify() { | |
778 assert(Arguments::check_vm_args_consistency(), "Some flag settings conflict"); | |
779 } | |
780 | |
1150 | 781 #endif // PRODUCT |
782 | |
4773 | 783 void CommandLineFlags::printFlags(outputStream* out, bool withComments) { |
0 | 784 // Print the flags sorted by name |
785 // note: this method is called before the thread structure is in place | |
786 // which means resource allocation cannot be used. | |
787 | |
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788 // The last entry is the null entry. |
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789 const size_t length = Flag::numFlags - 1; |
0 | 790 |
791 // Sort | |
6197 | 792 Flag** array = NEW_C_HEAP_ARRAY(Flag*, length, mtInternal); |
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793 for (size_t i = 0; i < length; i++) { |
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794 array[i] = &flagTable[i]; |
0 | 795 } |
796 qsort(array, length, sizeof(Flag*), compare_flags); | |
797 | |
798 // Print | |
4773 | 799 out->print_cr("[Global flags]"); |
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800 for (size_t i = 0; i < length; i++) { |
0 | 801 if (array[i]->is_unlocked()) { |
4773 | 802 array[i]->print_on(out, withComments); |
0 | 803 } |
804 } | |
6197 | 805 FREE_C_HEAP_ARRAY(Flag*, array, mtInternal); |
0 | 806 } |