Mercurial > hg > truffle
annotate src/share/vm/runtime/globals.cpp @ 15104:ed29f7ff71eb
add DeoptimizationStub
author | twisti |
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date | Mon, 14 Apr 2014 17:21:49 -1000 |
parents | 4ca6dc0799b6 |
children | dffc37fa7157 |
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 | |
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40 #ifdef GRAAL |
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41 #include "graal/graalGlobals.hpp" |
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42 #endif |
1972 | 43 #ifdef COMPILER2 |
44 #include "opto/c2_globals.hpp" | |
45 #endif | |
46 #ifdef SHARK | |
47 #include "shark/shark_globals.hpp" | |
48 #endif | |
0 | 49 |
50 RUNTIME_FLAGS(MATERIALIZE_DEVELOPER_FLAG, MATERIALIZE_PD_DEVELOPER_FLAG, \ | |
51 MATERIALIZE_PRODUCT_FLAG, MATERIALIZE_PD_PRODUCT_FLAG, \ | |
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52 MATERIALIZE_DIAGNOSTIC_FLAG, MATERIALIZE_EXPERIMENTAL_FLAG, \ |
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53 MATERIALIZE_NOTPRODUCT_FLAG, \ |
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54 MATERIALIZE_MANAGEABLE_FLAG, MATERIALIZE_PRODUCT_RW_FLAG, \ |
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55 MATERIALIZE_LP64_PRODUCT_FLAG) |
0 | 56 |
57 RUNTIME_OS_FLAGS(MATERIALIZE_DEVELOPER_FLAG, MATERIALIZE_PD_DEVELOPER_FLAG, \ | |
58 MATERIALIZE_PRODUCT_FLAG, MATERIALIZE_PD_PRODUCT_FLAG, \ | |
59 MATERIALIZE_DIAGNOSTIC_FLAG, MATERIALIZE_NOTPRODUCT_FLAG) | |
60 | |
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61 ARCH_FLAGS(MATERIALIZE_DEVELOPER_FLAG, MATERIALIZE_PRODUCT_FLAG, \ |
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62 MATERIALIZE_DIAGNOSTIC_FLAG, MATERIALIZE_EXPERIMENTAL_FLAG, \ |
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63 MATERIALIZE_NOTPRODUCT_FLAG) |
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64 |
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65 MATERIALIZE_FLAGS_EXT |
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66 |
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67 |
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68 void Flag::check_writable() { |
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69 if (is_constant_in_binary()) { |
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70 fatal(err_msg("flag is constant: %s", _name)); |
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71 } |
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72 } |
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73 |
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74 bool Flag::is_bool() const { |
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75 return strcmp(_type, "bool") == 0; |
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76 } |
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77 |
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78 bool Flag::get_bool() const { |
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79 return *((bool*) _addr); |
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80 } |
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81 |
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82 void Flag::set_bool(bool value) { |
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83 check_writable(); |
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84 *((bool*) _addr) = value; |
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85 } |
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86 |
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87 bool Flag::is_intx() const { |
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88 return strcmp(_type, "intx") == 0; |
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89 } |
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90 |
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91 intx Flag::get_intx() const { |
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92 return *((intx*) _addr); |
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93 } |
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94 |
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95 void Flag::set_intx(intx value) { |
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96 check_writable(); |
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97 *((intx*) _addr) = value; |
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98 } |
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99 |
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100 bool Flag::is_uintx() const { |
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101 return strcmp(_type, "uintx") == 0; |
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102 } |
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103 |
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104 uintx Flag::get_uintx() const { |
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105 return *((uintx*) _addr); |
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106 } |
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107 |
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108 void Flag::set_uintx(uintx value) { |
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109 check_writable(); |
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110 *((uintx*) _addr) = value; |
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111 } |
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112 |
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113 bool Flag::is_uint64_t() const { |
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114 return strcmp(_type, "uint64_t") == 0; |
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115 } |
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116 |
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117 uint64_t Flag::get_uint64_t() const { |
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118 return *((uint64_t*) _addr); |
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119 } |
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120 |
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121 void Flag::set_uint64_t(uint64_t value) { |
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122 check_writable(); |
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123 *((uint64_t*) _addr) = value; |
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124 } |
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125 |
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126 bool Flag::is_double() const { |
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127 return strcmp(_type, "double") == 0; |
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128 } |
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129 |
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130 double Flag::get_double() const { |
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131 return *((double*) _addr); |
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132 } |
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133 |
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134 void Flag::set_double(double value) { |
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135 check_writable(); |
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136 *((double*) _addr) = value; |
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137 } |
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138 |
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139 bool Flag::is_ccstr() const { |
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140 return strcmp(_type, "ccstr") == 0 || strcmp(_type, "ccstrlist") == 0; |
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141 } |
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142 |
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143 bool Flag::ccstr_accumulates() const { |
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144 return strcmp(_type, "ccstrlist") == 0; |
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145 } |
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146 |
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147 ccstr Flag::get_ccstr() const { |
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148 return *((ccstr*) _addr); |
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149 } |
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150 |
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151 void Flag::set_ccstr(ccstr value) { |
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152 check_writable(); |
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153 *((ccstr*) _addr) = value; |
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154 } |
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155 |
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156 |
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157 Flag::Flags Flag::get_origin() { |
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158 return Flags(_flags & VALUE_ORIGIN_MASK); |
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159 } |
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160 |
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161 void Flag::set_origin(Flags origin) { |
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162 assert((origin & VALUE_ORIGIN_MASK) == origin, "sanity"); |
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163 _flags = Flags((_flags & ~VALUE_ORIGIN_MASK) | origin); |
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164 } |
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165 |
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166 bool Flag::is_default() { |
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167 return (get_origin() == DEFAULT); |
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168 } |
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169 |
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170 bool Flag::is_ergonomic() { |
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171 return (get_origin() == ERGONOMIC); |
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172 } |
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173 |
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174 bool Flag::is_command_line() { |
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175 return (get_origin() == COMMAND_LINE); |
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176 } |
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177 |
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178 bool Flag::is_product() const { |
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179 return (_flags & KIND_PRODUCT) != 0; |
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180 } |
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181 |
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182 bool Flag::is_manageable() const { |
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183 return (_flags & KIND_MANAGEABLE) != 0; |
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184 } |
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185 |
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186 bool Flag::is_diagnostic() const { |
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187 return (_flags & KIND_DIAGNOSTIC) != 0; |
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188 } |
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189 |
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190 bool Flag::is_experimental() const { |
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191 return (_flags & KIND_EXPERIMENTAL) != 0; |
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192 } |
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193 |
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194 bool Flag::is_notproduct() const { |
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195 return (_flags & KIND_NOT_PRODUCT) != 0; |
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196 } |
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197 |
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198 bool Flag::is_develop() const { |
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199 return (_flags & KIND_DEVELOP) != 0; |
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200 } |
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201 |
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202 bool Flag::is_read_write() const { |
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203 return (_flags & KIND_READ_WRITE) != 0; |
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204 } |
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205 |
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206 bool Flag::is_commercial() const { |
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207 return (_flags & KIND_COMMERCIAL) != 0; |
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208 } |
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209 |
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210 /** |
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211 * Returns if this flag is a constant in the binary. Right now this is |
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212 * true for notproduct and develop flags in product builds. |
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213 */ |
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214 bool Flag::is_constant_in_binary() const { |
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215 #ifdef PRODUCT |
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216 return is_notproduct() || is_develop(); |
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217 #else |
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218 return false; |
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219 #endif |
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220 } |
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221 |
0 | 222 bool Flag::is_unlocker() const { |
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223 return strcmp(_name, "UnlockDiagnosticVMOptions") == 0 || |
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224 strcmp(_name, "UnlockExperimentalVMOptions") == 0 || |
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225 is_unlocker_ext(); |
0 | 226 } |
227 | |
228 bool Flag::is_unlocked() const { | |
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229 if (is_diagnostic()) { |
0 | 230 return UnlockDiagnosticVMOptions; |
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231 } |
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232 if (is_experimental()) { |
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233 return UnlockExperimentalVMOptions; |
0 | 234 } |
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235 return is_unlocked_ext(); |
0 | 236 } |
237 | |
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238 // Get custom message for this locked flag, or return NULL if |
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239 // none is available. |
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240 void Flag::get_locked_message(char* buf, int buflen) const { |
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241 get_locked_message_ext(buf, buflen); |
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242 } |
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243 |
0 | 244 bool Flag::is_writeable() const { |
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245 return is_manageable() || (is_product() && is_read_write()) || is_writeable_ext(); |
0 | 246 } |
247 | |
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248 // All flags except "manageable" are assumed to be internal flags. |
0 | 249 // Long term, we need to define a mechanism to specify which flags |
250 // are external/stable and change this function accordingly. | |
251 bool Flag::is_external() const { | |
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252 return is_manageable() || is_external_ext(); |
0 | 253 } |
254 | |
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255 |
0 | 256 // Length of format string (e.g. "%.1234s") for printing ccstr below |
257 #define FORMAT_BUFFER_LEN 16 | |
258 | |
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259 void Flag::print_on(outputStream* st, bool withComments) { |
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260 // Don't print notproduct and develop flags in a product build. |
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261 if (is_constant_in_binary()) { |
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262 return; |
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263 } |
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264 |
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265 st->print("%9s %-40s %c= ", _type, _name, (!is_default() ? ':' : ' ')); |
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266 |
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267 if (is_bool()) { |
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268 st->print("%-16s", get_bool() ? "true" : "false"); |
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269 } |
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270 if (is_intx()) { |
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271 st->print("%-16ld", get_intx()); |
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272 } |
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273 if (is_uintx()) { |
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274 st->print("%-16lu", get_uintx()); |
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275 } |
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276 if (is_uint64_t()) { |
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277 st->print("%-16lu", get_uint64_t()); |
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278 } |
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279 if (is_double()) { |
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280 st->print("%-16f", get_double()); |
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281 } |
0 | 282 if (is_ccstr()) { |
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283 const char* cp = get_ccstr(); |
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284 if (cp != NULL) { |
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285 const char* eol; |
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286 while ((eol = strchr(cp, '\n')) != NULL) { |
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287 char format_buffer[FORMAT_BUFFER_LEN]; |
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288 size_t llen = pointer_delta(eol, cp, sizeof(char)); |
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289 jio_snprintf(format_buffer, FORMAT_BUFFER_LEN, |
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290 "%%." SIZE_FORMAT "s", llen); |
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291 st->print(format_buffer, cp); |
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292 st->cr(); |
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293 cp = eol+1; |
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294 st->print("%5s %-35s += ", "", _name); |
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295 } |
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296 st->print("%-16s", cp); |
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297 } |
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298 else st->print("%-16s", ""); |
0 | 299 } |
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300 |
14909 | 301 st->print("%-20"); |
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302 print_kind(st); |
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303 |
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304 if (withComments) { |
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305 #ifndef PRODUCT |
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306 st->print("%s", _doc); |
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307 #endif |
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308 } |
0 | 309 st->cr(); |
310 } | |
311 | |
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312 void Flag::print_kind(outputStream* st) { |
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313 struct Data { |
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314 int flag; |
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315 const char* name; |
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316 }; |
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317 |
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318 Data data[] = { |
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319 { KIND_C1, "C1" }, |
12355 | 320 { KIND_GRAAL, "Graal" }, |
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321 { KIND_C2, "C2" }, |
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322 { KIND_ARCH, "ARCH" }, |
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323 { KIND_SHARK, "SHARK" }, |
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324 { KIND_PLATFORM_DEPENDENT, "pd" }, |
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325 { KIND_PRODUCT, "product" }, |
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326 { KIND_MANAGEABLE, "manageable" }, |
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327 { KIND_DIAGNOSTIC, "diagnostic" }, |
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328 { KIND_EXPERIMENTAL, "experimental" }, |
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329 { KIND_COMMERCIAL, "commercial" }, |
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330 { KIND_NOT_PRODUCT, "notproduct" }, |
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331 { KIND_DEVELOP, "develop" }, |
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332 { KIND_LP64_PRODUCT, "lp64_product" }, |
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333 { KIND_READ_WRITE, "rw" }, |
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334 { -1, "" } |
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335 }; |
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336 |
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337 if ((_flags & KIND_MASK) != 0) { |
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338 st->print("{"); |
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339 bool is_first = true; |
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340 |
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341 for (int i = 0; data[i].flag != -1; i++) { |
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342 Data d = data[i]; |
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343 if ((_flags & d.flag) != 0) { |
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344 if (is_first) { |
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345 is_first = false; |
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346 } else { |
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347 st->print(" "); |
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348 } |
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349 st->print(d.name); |
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350 } |
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351 } |
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352 |
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353 st->print("}"); |
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354 } |
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355 } |
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356 |
0 | 357 void Flag::print_as_flag(outputStream* st) { |
358 if (is_bool()) { | |
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359 st->print("-XX:%s%s", get_bool() ? "+" : "-", _name); |
0 | 360 } else if (is_intx()) { |
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361 st->print("-XX:%s=" INTX_FORMAT, _name, get_intx()); |
0 | 362 } else if (is_uintx()) { |
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363 st->print("-XX:%s=" UINTX_FORMAT, _name, get_uintx()); |
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364 } else if (is_uint64_t()) { |
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365 st->print("-XX:%s=" UINT64_FORMAT, _name, get_uint64_t()); |
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366 } else if (is_double()) { |
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367 st->print("-XX:%s=%f", _name, get_double()); |
0 | 368 } else if (is_ccstr()) { |
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369 st->print("-XX:%s=", _name); |
103 | 370 const char* cp = get_ccstr(); |
371 if (cp != NULL) { | |
372 // Need to turn embedded '\n's back into separate arguments | |
373 // Not so efficient to print one character at a time, | |
374 // but the choice is to do the transformation to a buffer | |
375 // and print that. And this need not be efficient. | |
376 for (; *cp != '\0'; cp += 1) { | |
377 switch (*cp) { | |
378 default: | |
379 st->print("%c", *cp); | |
380 break; | |
381 case '\n': | |
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382 st->print(" -XX:%s=", _name); |
103 | 383 break; |
384 } | |
0 | 385 } |
386 } | |
387 } else { | |
388 ShouldNotReachHere(); | |
389 } | |
390 } | |
391 | |
392 // 4991491 do not "optimize out" the was_set false values: omitting them | |
393 // tickles a Microsoft compiler bug causing flagTable to be malformed | |
394 | |
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395 #define NAME(name) NOT_PRODUCT(&name) PRODUCT_ONLY(&CONST_##name) |
0 | 396 |
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397 #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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398 #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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399 #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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400 #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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401 #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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402 #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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403 #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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404 #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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405 #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 | 406 |
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407 #ifdef _LP64 |
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408 #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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409 #else |
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410 #define RUNTIME_LP64_PRODUCT_FLAG_STRUCT(type, name, value, doc) /* flag is constant */ |
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411 #endif // _LP64 |
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412 |
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413 #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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414 #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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415 #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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416 #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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417 #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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418 #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 | 419 |
12355 | 420 #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) }, |
421 #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) }, | |
422 #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) }, | |
423 #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) }, | |
424 #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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425 |
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426 #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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427 #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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428 #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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429 #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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430 #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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431 #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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432 #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 | 433 |
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434 #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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435 #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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436 #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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437 #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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438 #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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439 |
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440 #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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441 #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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442 #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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443 #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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444 #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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445 #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 | 446 |
447 static Flag flagTable[] = { | |
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448 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 | 449 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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450 #if INCLUDE_ALL_GCS |
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451 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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452 #endif // INCLUDE_ALL_GCS |
0 | 453 #ifdef COMPILER1 |
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454 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 | 455 #endif |
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456 #ifdef GRAAL |
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457 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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458 #endif |
0 | 459 #ifdef COMPILER2 |
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460 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 | 461 #endif |
1692 | 462 #ifdef SHARK |
463 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) | |
464 #endif | |
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465 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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466 FLAGTABLE_EXT |
0 | 467 {0, NULL, NULL} |
468 }; | |
469 | |
470 Flag* Flag::flags = flagTable; | |
471 size_t Flag::numFlags = (sizeof(flagTable) / sizeof(Flag)); | |
472 | |
11070 | 473 inline bool str_equal(const char* s, const char* q, size_t len) { |
0 | 474 // s is null terminated, q is not! |
475 if (strlen(s) != (unsigned int) len) return false; | |
476 return strncmp(s, q, len) == 0; | |
477 } | |
478 | |
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479 // Search the flag table for a named flag |
14909 | 480 Flag* Flag::find_flag(const char* name, size_t length, bool allow_locked) { |
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481 for (Flag* current = &flagTable[0]; current->_name != NULL; current++) { |
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482 if (str_equal(current->_name, name, length)) { |
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483 // Found a matching entry. |
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484 // Don't report notproduct and develop flags in product builds. |
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485 if (current->is_constant_in_binary()) { |
14909 | 486 return NULL; |
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487 } |
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488 // Report locked flags only if allowed. |
0 | 489 if (!(current->is_unlocked() || current->is_unlocker())) { |
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490 if (!allow_locked) { |
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491 // disable use of locked flags, e.g. diagnostic, experimental, |
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492 // commercial... until they are explicitly unlocked |
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493 return NULL; |
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494 } |
0 | 495 } |
496 return current; | |
497 } | |
498 } | |
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499 // Flag name is not in the flag table |
0 | 500 return NULL; |
501 } | |
502 | |
11070 | 503 // Compute string similarity based on Dice's coefficient |
504 static float str_similar(const char* str1, const char* str2, size_t len2) { | |
505 int len1 = (int) strlen(str1); | |
506 int total = len1 + (int) len2; | |
507 | |
508 int hit = 0; | |
509 | |
510 for (int i = 0; i < len1 -1; ++i) { | |
511 for (int j = 0; j < (int) len2 -1; ++j) { | |
512 if ((str1[i] == str2[j]) && (str1[i+1] == str2[j+1])) { | |
513 ++hit; | |
514 break; | |
515 } | |
516 } | |
517 } | |
518 | |
519 return 2.0f * (float) hit / (float) total; | |
520 } | |
521 | |
522 Flag* Flag::fuzzy_match(const char* name, size_t length, bool allow_locked) { | |
523 float VMOptionsFuzzyMatchSimilarity = 0.7f; | |
524 Flag* match = NULL; | |
525 float score; | |
526 float max_score = -1; | |
527 | |
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528 for (Flag* current = &flagTable[0]; current->_name != NULL; current++) { |
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529 score = str_similar(current->_name, name, length); |
11070 | 530 if (score > max_score) { |
531 max_score = score; | |
532 match = current; | |
533 } | |
534 } | |
535 | |
536 if (!(match->is_unlocked() || match->is_unlocker())) { | |
537 if (!allow_locked) { | |
538 return NULL; | |
539 } | |
540 } | |
541 | |
542 if (max_score < VMOptionsFuzzyMatchSimilarity) { | |
543 return NULL; | |
544 } | |
545 | |
546 return match; | |
547 } | |
548 | |
0 | 549 // Returns the address of the index'th element |
550 static Flag* address_of_flag(CommandLineFlagWithType flag) { | |
551 assert((size_t)flag < Flag::numFlags, "bad command line flag index"); | |
552 return &Flag::flags[flag]; | |
553 } | |
554 | |
555 bool CommandLineFlagsEx::is_default(CommandLineFlag flag) { | |
556 assert((size_t)flag < Flag::numFlags, "bad command line flag index"); | |
557 Flag* f = &Flag::flags[flag]; | |
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558 return f->is_default(); |
0 | 559 } |
560 | |
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561 bool CommandLineFlagsEx::is_ergo(CommandLineFlag flag) { |
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562 assert((size_t)flag < Flag::numFlags, "bad command line flag index"); |
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563 Flag* f = &Flag::flags[flag]; |
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564 return f->is_ergonomic(); |
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565 } |
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566 |
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567 bool CommandLineFlagsEx::is_cmdline(CommandLineFlag flag) { |
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568 assert((size_t)flag < Flag::numFlags, "bad command line flag index"); |
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569 Flag* f = &Flag::flags[flag]; |
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570 return f->is_command_line(); |
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571 } |
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572 |
0 | 573 bool CommandLineFlags::wasSetOnCmdline(const char* name, bool* value) { |
574 Flag* result = Flag::find_flag((char*)name, strlen(name)); | |
575 if (result == NULL) return false; | |
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576 *value = result->is_command_line(); |
0 | 577 return true; |
578 } | |
579 | |
580 bool CommandLineFlags::boolAt(char* name, size_t len, bool* value) { | |
581 Flag* result = Flag::find_flag(name, len); | |
582 if (result == NULL) return false; | |
583 if (!result->is_bool()) return false; | |
584 *value = result->get_bool(); | |
585 return true; | |
586 } | |
587 | |
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588 bool CommandLineFlags::boolAtPut(char* name, size_t len, bool* value, Flag::Flags origin) { |
0 | 589 Flag* result = Flag::find_flag(name, len); |
590 if (result == NULL) return false; | |
591 if (!result->is_bool()) return false; | |
592 bool old_value = result->get_bool(); | |
593 result->set_bool(*value); | |
594 *value = old_value; | |
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595 result->set_origin(origin); |
0 | 596 return true; |
597 } | |
598 | |
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599 void CommandLineFlagsEx::boolAtPut(CommandLineFlagWithType flag, bool value, Flag::Flags origin) { |
0 | 600 Flag* faddr = address_of_flag(flag); |
601 guarantee(faddr != NULL && faddr->is_bool(), "wrong flag type"); | |
602 faddr->set_bool(value); | |
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603 faddr->set_origin(origin); |
0 | 604 } |
605 | |
606 bool CommandLineFlags::intxAt(char* name, size_t len, intx* value) { | |
607 Flag* result = Flag::find_flag(name, len); | |
608 if (result == NULL) return false; | |
609 if (!result->is_intx()) return false; | |
610 *value = result->get_intx(); | |
611 return true; | |
612 } | |
613 | |
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614 bool CommandLineFlags::intxAtPut(char* name, size_t len, intx* value, Flag::Flags origin) { |
0 | 615 Flag* result = Flag::find_flag(name, len); |
616 if (result == NULL) return false; | |
617 if (!result->is_intx()) return false; | |
618 intx old_value = result->get_intx(); | |
619 result->set_intx(*value); | |
620 *value = old_value; | |
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621 result->set_origin(origin); |
0 | 622 return true; |
623 } | |
624 | |
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625 void CommandLineFlagsEx::intxAtPut(CommandLineFlagWithType flag, intx value, Flag::Flags origin) { |
0 | 626 Flag* faddr = address_of_flag(flag); |
627 guarantee(faddr != NULL && faddr->is_intx(), "wrong flag type"); | |
628 faddr->set_intx(value); | |
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629 faddr->set_origin(origin); |
0 | 630 } |
631 | |
632 bool CommandLineFlags::uintxAt(char* name, size_t len, uintx* value) { | |
633 Flag* result = Flag::find_flag(name, len); | |
634 if (result == NULL) return false; | |
635 if (!result->is_uintx()) return false; | |
636 *value = result->get_uintx(); | |
637 return true; | |
638 } | |
639 | |
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640 bool CommandLineFlags::uintxAtPut(char* name, size_t len, uintx* value, Flag::Flags origin) { |
0 | 641 Flag* result = Flag::find_flag(name, len); |
642 if (result == NULL) return false; | |
643 if (!result->is_uintx()) return false; | |
644 uintx old_value = result->get_uintx(); | |
645 result->set_uintx(*value); | |
646 *value = old_value; | |
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647 result->set_origin(origin); |
0 | 648 return true; |
649 } | |
650 | |
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651 void CommandLineFlagsEx::uintxAtPut(CommandLineFlagWithType flag, uintx value, Flag::Flags origin) { |
0 | 652 Flag* faddr = address_of_flag(flag); |
653 guarantee(faddr != NULL && faddr->is_uintx(), "wrong flag type"); | |
654 faddr->set_uintx(value); | |
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655 faddr->set_origin(origin); |
0 | 656 } |
657 | |
1064 | 658 bool CommandLineFlags::uint64_tAt(char* name, size_t len, uint64_t* value) { |
659 Flag* result = Flag::find_flag(name, len); | |
660 if (result == NULL) return false; | |
661 if (!result->is_uint64_t()) return false; | |
662 *value = result->get_uint64_t(); | |
663 return true; | |
664 } | |
665 | |
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666 bool CommandLineFlags::uint64_tAtPut(char* name, size_t len, uint64_t* value, Flag::Flags origin) { |
1064 | 667 Flag* result = Flag::find_flag(name, len); |
668 if (result == NULL) return false; | |
669 if (!result->is_uint64_t()) return false; | |
670 uint64_t old_value = result->get_uint64_t(); | |
671 result->set_uint64_t(*value); | |
672 *value = old_value; | |
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673 result->set_origin(origin); |
1064 | 674 return true; |
675 } | |
676 | |
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677 void CommandLineFlagsEx::uint64_tAtPut(CommandLineFlagWithType flag, uint64_t value, Flag::Flags origin) { |
1064 | 678 Flag* faddr = address_of_flag(flag); |
679 guarantee(faddr != NULL && faddr->is_uint64_t(), "wrong flag type"); | |
680 faddr->set_uint64_t(value); | |
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681 faddr->set_origin(origin); |
1064 | 682 } |
683 | |
0 | 684 bool CommandLineFlags::doubleAt(char* name, size_t len, double* value) { |
685 Flag* result = Flag::find_flag(name, len); | |
686 if (result == NULL) return false; | |
687 if (!result->is_double()) return false; | |
688 *value = result->get_double(); | |
689 return true; | |
690 } | |
691 | |
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692 bool CommandLineFlags::doubleAtPut(char* name, size_t len, double* value, Flag::Flags origin) { |
0 | 693 Flag* result = Flag::find_flag(name, len); |
694 if (result == NULL) return false; | |
695 if (!result->is_double()) return false; | |
696 double old_value = result->get_double(); | |
697 result->set_double(*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::doubleAtPut(CommandLineFlagWithType flag, double value, Flag::Flags origin) { |
0 | 704 Flag* faddr = address_of_flag(flag); |
705 guarantee(faddr != NULL && faddr->is_double(), "wrong flag type"); | |
706 faddr->set_double(value); | |
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707 faddr->set_origin(origin); |
0 | 708 } |
709 | |
710 bool CommandLineFlags::ccstrAt(char* name, size_t len, ccstr* value) { | |
711 Flag* result = Flag::find_flag(name, len); | |
712 if (result == NULL) return false; | |
713 if (!result->is_ccstr()) return false; | |
714 *value = result->get_ccstr(); | |
715 return true; | |
716 } | |
717 | |
14909 | 718 // Contract: Flag will make private copy of the incoming value. |
719 // Outgoing value is always malloc-ed, and caller MUST call free. | |
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720 bool CommandLineFlags::ccstrAtPut(char* name, size_t len, ccstr* value, Flag::Flags origin) { |
0 | 721 Flag* result = Flag::find_flag(name, len); |
722 if (result == NULL) return false; | |
723 if (!result->is_ccstr()) return false; | |
724 ccstr old_value = result->get_ccstr(); | |
370
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725 char* new_value = NULL; |
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726 if (*value != NULL) { |
6197 | 727 new_value = NEW_C_HEAP_ARRAY(char, strlen(*value)+1, mtInternal); |
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728 strcpy(new_value, *value); |
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729 } |
0 | 730 result->set_ccstr(new_value); |
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731 if (result->is_default() && old_value != NULL) { |
0 | 732 // Prior value is NOT heap allocated, but was a literal constant. |
6197 | 733 char* old_value_to_free = NEW_C_HEAP_ARRAY(char, strlen(old_value)+1, mtInternal); |
0 | 734 strcpy(old_value_to_free, old_value); |
735 old_value = old_value_to_free; | |
736 } | |
737 *value = old_value; | |
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738 result->set_origin(origin); |
0 | 739 return true; |
740 } | |
741 | |
14909 | 742 // Contract: Flag will make private copy of the incoming value. |
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743 void CommandLineFlagsEx::ccstrAtPut(CommandLineFlagWithType flag, ccstr value, Flag::Flags origin) { |
0 | 744 Flag* faddr = address_of_flag(flag); |
745 guarantee(faddr != NULL && faddr->is_ccstr(), "wrong flag type"); | |
746 ccstr old_value = faddr->get_ccstr(); | |
6197 | 747 char* new_value = NEW_C_HEAP_ARRAY(char, strlen(value)+1, mtInternal); |
0 | 748 strcpy(new_value, value); |
749 faddr->set_ccstr(new_value); | |
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750 if (!faddr->is_default() && old_value != NULL) { |
0 | 751 // Prior value is heap allocated so free it. |
6197 | 752 FREE_C_HEAP_ARRAY(char, old_value, mtInternal); |
0 | 753 } |
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754 faddr->set_origin(origin); |
0 | 755 } |
756 | |
757 extern "C" { | |
758 static int compare_flags(const void* void_a, const void* void_b) { | |
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759 return strcmp((*((Flag**) void_a))->_name, (*((Flag**) void_b))->_name); |
0 | 760 } |
761 } | |
762 | |
4773 | 763 void CommandLineFlags::printSetFlags(outputStream* out) { |
0 | 764 // Print which flags were set on the command line |
765 // note: this method is called before the thread structure is in place | |
766 // which means resource allocation cannot be used. | |
767 | |
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768 // The last entry is the null entry. |
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769 const size_t length = Flag::numFlags - 1; |
0 | 770 |
771 // Sort | |
6197 | 772 Flag** array = NEW_C_HEAP_ARRAY(Flag*, length, mtInternal); |
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773 for (size_t i = 0; i < length; i++) { |
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774 array[i] = &flagTable[i]; |
0 | 775 } |
776 qsort(array, length, sizeof(Flag*), compare_flags); | |
777 | |
778 // Print | |
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779 for (size_t i = 0; i < length; i++) { |
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780 if (array[i]->get_origin() /* naked field! */) { |
4773 | 781 array[i]->print_as_flag(out); |
782 out->print(" "); | |
0 | 783 } |
784 } | |
4773 | 785 out->cr(); |
6197 | 786 FREE_C_HEAP_ARRAY(Flag*, array, mtInternal); |
0 | 787 } |
788 | |
789 #ifndef PRODUCT | |
790 | |
791 | |
792 void CommandLineFlags::verify() { | |
793 assert(Arguments::check_vm_args_consistency(), "Some flag settings conflict"); | |
794 } | |
795 | |
1150 | 796 #endif // PRODUCT |
797 | |
4773 | 798 void CommandLineFlags::printFlags(outputStream* out, bool withComments) { |
0 | 799 // Print the flags sorted by name |
800 // note: this method is called before the thread structure is in place | |
801 // which means resource allocation cannot be used. | |
802 | |
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803 // The last entry is the null entry. |
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804 const size_t length = Flag::numFlags - 1; |
0 | 805 |
806 // Sort | |
6197 | 807 Flag** array = NEW_C_HEAP_ARRAY(Flag*, length, mtInternal); |
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808 for (size_t i = 0; i < length; i++) { |
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809 array[i] = &flagTable[i]; |
0 | 810 } |
811 qsort(array, length, sizeof(Flag*), compare_flags); | |
812 | |
813 // Print | |
4773 | 814 out->print_cr("[Global flags]"); |
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815 for (size_t i = 0; i < length; i++) { |
0 | 816 if (array[i]->is_unlocked()) { |
4773 | 817 array[i]->print_on(out, withComments); |
0 | 818 } |
819 } | |
6197 | 820 FREE_C_HEAP_ARRAY(Flag*, array, mtInternal); |
0 | 821 } |