Mercurial > hg > graal-jvmci-8
annotate src/share/vm/runtime/globals.cpp @ 20588:41dcdd636080
8040798: compiler/startup/SmallCodeCacheStartup.java timed out in RT_Baseline
Summary: Fixes broken memory freeing of compile queue tasks and makes sure that blocking compiles do not hang the VM if compilation gets disabled due to a full code cache.
Reviewed-by: kvn, iveresov
author | anoll |
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date | Tue, 29 Apr 2014 07:59:22 +0200 |
parents | 46140919bf90 |
children | 7848fc12602b |
rev | line source |
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0 | 1 /* |
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2 * Copyright (c) 1997, 2014, Oracle and/or its affiliates. All rights reserved. |
0 | 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
4 * | |
5 * This code is free software; you can redistribute it and/or modify it | |
6 * under the terms of the GNU General Public License version 2 only, as | |
7 * published by the Free Software Foundation. | |
8 * | |
9 * This code is distributed in the hope that it will be useful, but WITHOUT | |
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
12 * version 2 for more details (a copy is included in the LICENSE file that | |
13 * accompanied this code). | |
14 * | |
15 * You should have received a copy of the GNU General Public License version | |
16 * 2 along with this work; if not, write to the Free Software Foundation, | |
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
18 * | |
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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20 * or visit www.oracle.com if you need additional information or have any |
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21 * questions. |
0 | 22 * |
23 */ | |
24 | |
1972 | 25 #include "precompiled.hpp" |
26 #include "memory/allocation.inline.hpp" | |
27 #include "oops/oop.inline.hpp" | |
28 #include "runtime/arguments.hpp" | |
29 #include "runtime/globals.hpp" | |
30 #include "runtime/globals_extension.hpp" | |
31 #include "utilities/ostream.hpp" | |
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32 #include "utilities/macros.hpp" |
1972 | 33 #include "utilities/top.hpp" |
17691 | 34 #include "trace/tracing.hpp" |
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35 #if INCLUDE_ALL_GCS |
1972 | 36 #include "gc_implementation/g1/g1_globals.hpp" |
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37 #endif // INCLUDE_ALL_GCS |
1972 | 38 #ifdef COMPILER1 |
39 #include "c1/c1_globals.hpp" | |
40 #endif | |
41 #ifdef COMPILER2 | |
42 #include "opto/c2_globals.hpp" | |
43 #endif | |
44 #ifdef SHARK | |
45 #include "shark/shark_globals.hpp" | |
46 #endif | |
0 | 47 |
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48 PRAGMA_FORMAT_MUTE_WARNINGS_FOR_GCC |
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49 |
0 | 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 static bool is_product_build() { |
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69 #ifdef PRODUCT |
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70 return true; |
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71 #else |
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72 return false; |
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73 #endif |
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74 } |
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75 |
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76 void Flag::check_writable() { |
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77 if (is_constant_in_binary()) { |
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78 fatal(err_msg("flag is constant: %s", _name)); |
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79 } |
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80 } |
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81 |
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82 bool Flag::is_bool() const { |
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83 return strcmp(_type, "bool") == 0; |
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84 } |
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85 |
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86 bool Flag::get_bool() const { |
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87 return *((bool*) _addr); |
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88 } |
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89 |
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90 void Flag::set_bool(bool value) { |
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91 check_writable(); |
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92 *((bool*) _addr) = value; |
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93 } |
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94 |
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95 bool Flag::is_intx() const { |
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96 return strcmp(_type, "intx") == 0; |
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97 } |
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98 |
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99 intx Flag::get_intx() const { |
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100 return *((intx*) _addr); |
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101 } |
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102 |
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103 void Flag::set_intx(intx value) { |
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104 check_writable(); |
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105 *((intx*) _addr) = value; |
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106 } |
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107 |
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108 bool Flag::is_uintx() const { |
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109 return strcmp(_type, "uintx") == 0; |
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110 } |
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111 |
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112 uintx Flag::get_uintx() const { |
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113 return *((uintx*) _addr); |
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114 } |
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115 |
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116 void Flag::set_uintx(uintx value) { |
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117 check_writable(); |
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118 *((uintx*) _addr) = value; |
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119 } |
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120 |
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121 bool Flag::is_uint64_t() const { |
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122 return strcmp(_type, "uint64_t") == 0; |
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123 } |
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124 |
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125 uint64_t Flag::get_uint64_t() const { |
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126 return *((uint64_t*) _addr); |
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127 } |
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128 |
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129 void Flag::set_uint64_t(uint64_t value) { |
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130 check_writable(); |
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131 *((uint64_t*) _addr) = value; |
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132 } |
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133 |
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134 bool Flag::is_double() const { |
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135 return strcmp(_type, "double") == 0; |
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136 } |
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137 |
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138 double Flag::get_double() const { |
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139 return *((double*) _addr); |
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140 } |
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141 |
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142 void Flag::set_double(double value) { |
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143 check_writable(); |
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144 *((double*) _addr) = value; |
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145 } |
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146 |
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147 bool Flag::is_ccstr() const { |
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148 return strcmp(_type, "ccstr") == 0 || strcmp(_type, "ccstrlist") == 0; |
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149 } |
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150 |
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151 bool Flag::ccstr_accumulates() const { |
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152 return strcmp(_type, "ccstrlist") == 0; |
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153 } |
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154 |
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155 ccstr Flag::get_ccstr() const { |
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156 return *((ccstr*) _addr); |
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157 } |
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158 |
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159 void Flag::set_ccstr(ccstr value) { |
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160 check_writable(); |
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161 *((ccstr*) _addr) = value; |
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162 } |
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163 |
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164 |
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165 Flag::Flags Flag::get_origin() { |
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166 return Flags(_flags & VALUE_ORIGIN_MASK); |
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167 } |
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168 |
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169 void Flag::set_origin(Flags origin) { |
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170 assert((origin & VALUE_ORIGIN_MASK) == origin, "sanity"); |
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171 _flags = Flags((_flags & ~VALUE_ORIGIN_MASK) | origin); |
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172 } |
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173 |
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174 bool Flag::is_default() { |
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175 return (get_origin() == DEFAULT); |
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176 } |
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177 |
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178 bool Flag::is_ergonomic() { |
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179 return (get_origin() == ERGONOMIC); |
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180 } |
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181 |
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182 bool Flag::is_command_line() { |
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183 return (get_origin() == COMMAND_LINE); |
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184 } |
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185 |
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186 bool Flag::is_product() const { |
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187 return (_flags & KIND_PRODUCT) != 0; |
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188 } |
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189 |
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190 bool Flag::is_manageable() const { |
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191 return (_flags & KIND_MANAGEABLE) != 0; |
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192 } |
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193 |
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194 bool Flag::is_diagnostic() const { |
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195 return (_flags & KIND_DIAGNOSTIC) != 0; |
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196 } |
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197 |
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198 bool Flag::is_experimental() const { |
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199 return (_flags & KIND_EXPERIMENTAL) != 0; |
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200 } |
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201 |
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202 bool Flag::is_notproduct() const { |
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203 return (_flags & KIND_NOT_PRODUCT) != 0; |
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204 } |
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205 |
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206 bool Flag::is_develop() const { |
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207 return (_flags & KIND_DEVELOP) != 0; |
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208 } |
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209 |
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210 bool Flag::is_read_write() const { |
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211 return (_flags & KIND_READ_WRITE) != 0; |
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212 } |
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213 |
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214 bool Flag::is_commercial() const { |
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215 return (_flags & KIND_COMMERCIAL) != 0; |
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216 } |
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217 |
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218 /** |
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219 * Returns if this flag is a constant in the binary. Right now this is |
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220 * true for notproduct and develop flags in product builds. |
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221 */ |
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222 bool Flag::is_constant_in_binary() const { |
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223 #ifdef PRODUCT |
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224 return is_notproduct() || is_develop(); |
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225 #else |
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226 return false; |
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227 #endif |
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228 } |
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229 |
0 | 230 bool Flag::is_unlocker() const { |
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231 return strcmp(_name, "UnlockDiagnosticVMOptions") == 0 || |
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232 strcmp(_name, "UnlockExperimentalVMOptions") == 0 || |
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233 is_unlocker_ext(); |
0 | 234 } |
235 | |
236 bool Flag::is_unlocked() const { | |
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237 if (is_diagnostic()) { |
0 | 238 return UnlockDiagnosticVMOptions; |
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239 } |
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240 if (is_experimental()) { |
350
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241 return UnlockExperimentalVMOptions; |
0 | 242 } |
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243 return is_unlocked_ext(); |
0 | 244 } |
245 | |
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246 void Flag::unlock_diagnostic() { |
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247 assert(is_diagnostic(), "sanity"); |
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248 _flags = Flags(_flags & ~KIND_DIAGNOSTIC); |
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249 } |
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250 |
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251 // Get custom message for this locked flag, or return NULL if |
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252 // none is available. |
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253 void Flag::get_locked_message(char* buf, int buflen) const { |
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254 buf[0] = '\0'; |
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255 if (is_diagnostic() && !is_unlocked()) { |
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256 jio_snprintf(buf, buflen, "Error: VM option '%s' is diagnostic and must be enabled via -XX:+UnlockDiagnosticVMOptions.\n", |
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257 _name); |
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258 return; |
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259 } |
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260 if (is_experimental() && !is_unlocked()) { |
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261 jio_snprintf(buf, buflen, "Error: VM option '%s' is experimental and must be enabled via -XX:+UnlockExperimentalVMOptions.\n", |
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262 _name); |
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263 return; |
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264 } |
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265 if (is_develop() && is_product_build()) { |
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266 jio_snprintf(buf, buflen, "Error: VM option '%s' is develop and is available only in debug version of VM.\n", |
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267 _name); |
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268 return; |
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269 } |
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270 if (is_notproduct() && is_product_build()) { |
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271 jio_snprintf(buf, buflen, "Error: VM option '%s' is notproduct and is available only in debug version of VM.\n", |
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272 _name); |
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273 return; |
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274 } |
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275 get_locked_message_ext(buf, buflen); |
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276 } |
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277 |
0 | 278 bool Flag::is_writeable() const { |
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279 return is_manageable() || (is_product() && is_read_write()) || is_writeable_ext(); |
0 | 280 } |
281 | |
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282 // All flags except "manageable" are assumed to be internal flags. |
0 | 283 // Long term, we need to define a mechanism to specify which flags |
284 // are external/stable and change this function accordingly. | |
285 bool Flag::is_external() const { | |
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286 return is_manageable() || is_external_ext(); |
0 | 287 } |
288 | |
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289 |
0 | 290 // Length of format string (e.g. "%.1234s") for printing ccstr below |
291 #define FORMAT_BUFFER_LEN 16 | |
292 | |
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293 PRAGMA_FORMAT_NONLITERAL_IGNORED_EXTERNAL |
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294 void Flag::print_on(outputStream* st, bool withComments) { |
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295 // Don't print notproduct and develop flags in a product build. |
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296 if (is_constant_in_binary()) { |
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297 return; |
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298 } |
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299 |
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300 st->print("%9s %-40s %c= ", _type, _name, (!is_default() ? ':' : ' ')); |
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301 |
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302 if (is_bool()) { |
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303 st->print("%-16s", get_bool() ? "true" : "false"); |
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304 } |
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305 if (is_intx()) { |
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306 st->print("%-16ld", get_intx()); |
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307 } |
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308 if (is_uintx()) { |
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309 st->print("%-16lu", get_uintx()); |
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310 } |
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311 if (is_uint64_t()) { |
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312 st->print("%-16lu", get_uint64_t()); |
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313 } |
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314 if (is_double()) { |
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315 st->print("%-16f", get_double()); |
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316 } |
0 | 317 if (is_ccstr()) { |
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318 const char* cp = get_ccstr(); |
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319 if (cp != NULL) { |
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320 const char* eol; |
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321 while ((eol = strchr(cp, '\n')) != NULL) { |
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322 char format_buffer[FORMAT_BUFFER_LEN]; |
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323 size_t llen = pointer_delta(eol, cp, sizeof(char)); |
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324 jio_snprintf(format_buffer, FORMAT_BUFFER_LEN, |
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325 "%%." SIZE_FORMAT "s", llen); |
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326 PRAGMA_DIAG_PUSH |
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327 PRAGMA_FORMAT_NONLITERAL_IGNORED_INTERNAL |
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328 st->print(format_buffer, cp); |
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329 PRAGMA_DIAG_POP |
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330 st->cr(); |
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331 cp = eol+1; |
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332 st->print("%5s %-35s += ", "", _name); |
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333 } |
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334 st->print("%-16s", cp); |
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335 } |
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336 else st->print("%-16s", ""); |
0 | 337 } |
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338 |
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339 st->print("%-20s", " "); |
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340 print_kind(st); |
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341 |
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342 if (withComments) { |
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343 #ifndef PRODUCT |
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344 st->print("%s", _doc); |
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345 #endif |
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346 } |
0 | 347 st->cr(); |
348 } | |
349 | |
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350 void Flag::print_kind(outputStream* st) { |
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351 struct Data { |
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352 int flag; |
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353 const char* name; |
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354 }; |
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355 |
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356 Data data[] = { |
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357 { KIND_C1, "C1" }, |
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358 { KIND_C2, "C2" }, |
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359 { KIND_ARCH, "ARCH" }, |
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360 { KIND_SHARK, "SHARK" }, |
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361 { KIND_PLATFORM_DEPENDENT, "pd" }, |
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362 { KIND_PRODUCT, "product" }, |
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363 { KIND_MANAGEABLE, "manageable" }, |
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364 { KIND_DIAGNOSTIC, "diagnostic" }, |
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365 { KIND_EXPERIMENTAL, "experimental" }, |
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366 { KIND_COMMERCIAL, "commercial" }, |
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367 { KIND_NOT_PRODUCT, "notproduct" }, |
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368 { KIND_DEVELOP, "develop" }, |
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369 { KIND_LP64_PRODUCT, "lp64_product" }, |
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370 { KIND_READ_WRITE, "rw" }, |
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371 { -1, "" } |
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372 }; |
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373 |
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374 if ((_flags & KIND_MASK) != 0) { |
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375 st->print("{"); |
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376 bool is_first = true; |
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377 |
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378 for (int i = 0; data[i].flag != -1; i++) { |
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379 Data d = data[i]; |
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380 if ((_flags & d.flag) != 0) { |
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381 if (is_first) { |
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382 is_first = false; |
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383 } else { |
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384 st->print(" "); |
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385 } |
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386 st->print("%s", d.name); |
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387 } |
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388 } |
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389 |
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390 st->print("}"); |
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391 } |
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392 } |
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393 |
0 | 394 void Flag::print_as_flag(outputStream* st) { |
395 if (is_bool()) { | |
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396 st->print("-XX:%s%s", get_bool() ? "+" : "-", _name); |
0 | 397 } else if (is_intx()) { |
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398 st->print("-XX:%s=" INTX_FORMAT, _name, get_intx()); |
0 | 399 } else if (is_uintx()) { |
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400 st->print("-XX:%s=" UINTX_FORMAT, _name, get_uintx()); |
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401 } else if (is_uint64_t()) { |
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402 st->print("-XX:%s=" UINT64_FORMAT, _name, get_uint64_t()); |
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403 } else if (is_double()) { |
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404 st->print("-XX:%s=%f", _name, get_double()); |
0 | 405 } else if (is_ccstr()) { |
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406 st->print("-XX:%s=", _name); |
103 | 407 const char* cp = get_ccstr(); |
408 if (cp != NULL) { | |
409 // Need to turn embedded '\n's back into separate arguments | |
410 // Not so efficient to print one character at a time, | |
411 // but the choice is to do the transformation to a buffer | |
412 // and print that. And this need not be efficient. | |
413 for (; *cp != '\0'; cp += 1) { | |
414 switch (*cp) { | |
415 default: | |
416 st->print("%c", *cp); | |
417 break; | |
418 case '\n': | |
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419 st->print(" -XX:%s=", _name); |
103 | 420 break; |
421 } | |
0 | 422 } |
423 } | |
424 } else { | |
425 ShouldNotReachHere(); | |
426 } | |
427 } | |
428 | |
429 // 4991491 do not "optimize out" the was_set false values: omitting them | |
430 // tickles a Microsoft compiler bug causing flagTable to be malformed | |
431 | |
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432 #define NAME(name) NOT_PRODUCT(&name) PRODUCT_ONLY(&CONST_##name) |
0 | 433 |
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434 #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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435 #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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436 #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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437 #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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438 #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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439 #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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440 #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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441 #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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442 #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 | 443 |
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444 #ifdef _LP64 |
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445 #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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446 #else |
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447 #define RUNTIME_LP64_PRODUCT_FLAG_STRUCT(type, name, value, doc) /* flag is constant */ |
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448 #endif // _LP64 |
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449 |
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450 #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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451 #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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452 #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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453 #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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454 #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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455 #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 | 456 |
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457 #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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458 #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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459 #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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460 #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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461 #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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462 #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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463 #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 | 464 |
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465 #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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466 #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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467 #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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468 #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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469 #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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470 |
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471 #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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472 #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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473 #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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474 #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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475 #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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476 #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 | 477 |
478 static Flag flagTable[] = { | |
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479 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 | 480 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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481 #if INCLUDE_ALL_GCS |
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482 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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483 #endif // INCLUDE_ALL_GCS |
0 | 484 #ifdef COMPILER1 |
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485 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 | 486 #endif |
487 #ifdef COMPILER2 | |
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488 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 | 489 #endif |
1692 | 490 #ifdef SHARK |
491 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) | |
492 #endif | |
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493 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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494 FLAGTABLE_EXT |
0 | 495 {0, NULL, NULL} |
496 }; | |
497 | |
498 Flag* Flag::flags = flagTable; | |
499 size_t Flag::numFlags = (sizeof(flagTable) / sizeof(Flag)); | |
500 | |
11070 | 501 inline bool str_equal(const char* s, const char* q, size_t len) { |
0 | 502 // s is null terminated, q is not! |
503 if (strlen(s) != (unsigned int) len) return false; | |
504 return strncmp(s, q, len) == 0; | |
505 } | |
506 | |
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507 // Search the flag table for a named flag |
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508 Flag* Flag::find_flag(const char* name, size_t length, bool allow_locked, bool return_flag) { |
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509 for (Flag* current = &flagTable[0]; current->_name != NULL; current++) { |
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510 if (str_equal(current->_name, name, length)) { |
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511 // Found a matching entry. |
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512 // Don't report notproduct and develop flags in product builds. |
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513 if (current->is_constant_in_binary()) { |
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514 return (return_flag == true ? current : NULL); |
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515 } |
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516 // Report locked flags only if allowed. |
0 | 517 if (!(current->is_unlocked() || current->is_unlocker())) { |
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518 if (!allow_locked) { |
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519 // disable use of locked flags, e.g. diagnostic, experimental, |
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520 // commercial... until they are explicitly unlocked |
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521 return NULL; |
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522 } |
0 | 523 } |
524 return current; | |
525 } | |
526 } | |
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527 // Flag name is not in the flag table |
0 | 528 return NULL; |
529 } | |
530 | |
11070 | 531 // Compute string similarity based on Dice's coefficient |
532 static float str_similar(const char* str1, const char* str2, size_t len2) { | |
533 int len1 = (int) strlen(str1); | |
534 int total = len1 + (int) len2; | |
535 | |
536 int hit = 0; | |
537 | |
538 for (int i = 0; i < len1 -1; ++i) { | |
539 for (int j = 0; j < (int) len2 -1; ++j) { | |
540 if ((str1[i] == str2[j]) && (str1[i+1] == str2[j+1])) { | |
541 ++hit; | |
542 break; | |
543 } | |
544 } | |
545 } | |
546 | |
547 return 2.0f * (float) hit / (float) total; | |
548 } | |
549 | |
550 Flag* Flag::fuzzy_match(const char* name, size_t length, bool allow_locked) { | |
551 float VMOptionsFuzzyMatchSimilarity = 0.7f; | |
552 Flag* match = NULL; | |
553 float score; | |
554 float max_score = -1; | |
555 | |
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556 for (Flag* current = &flagTable[0]; current->_name != NULL; current++) { |
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557 score = str_similar(current->_name, name, length); |
11070 | 558 if (score > max_score) { |
559 max_score = score; | |
560 match = current; | |
561 } | |
562 } | |
563 | |
564 if (!(match->is_unlocked() || match->is_unlocker())) { | |
565 if (!allow_locked) { | |
566 return NULL; | |
567 } | |
568 } | |
569 | |
570 if (max_score < VMOptionsFuzzyMatchSimilarity) { | |
571 return NULL; | |
572 } | |
573 | |
574 return match; | |
575 } | |
576 | |
0 | 577 // Returns the address of the index'th element |
578 static Flag* address_of_flag(CommandLineFlagWithType flag) { | |
579 assert((size_t)flag < Flag::numFlags, "bad command line flag index"); | |
580 return &Flag::flags[flag]; | |
581 } | |
582 | |
583 bool CommandLineFlagsEx::is_default(CommandLineFlag flag) { | |
584 assert((size_t)flag < Flag::numFlags, "bad command line flag index"); | |
585 Flag* f = &Flag::flags[flag]; | |
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586 return f->is_default(); |
0 | 587 } |
588 | |
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589 bool CommandLineFlagsEx::is_ergo(CommandLineFlag flag) { |
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590 assert((size_t)flag < Flag::numFlags, "bad command line flag index"); |
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591 Flag* f = &Flag::flags[flag]; |
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592 return f->is_ergonomic(); |
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593 } |
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594 |
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595 bool CommandLineFlagsEx::is_cmdline(CommandLineFlag flag) { |
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596 assert((size_t)flag < Flag::numFlags, "bad command line flag index"); |
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597 Flag* f = &Flag::flags[flag]; |
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598 return f->is_command_line(); |
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599 } |
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600 |
0 | 601 bool CommandLineFlags::wasSetOnCmdline(const char* name, bool* value) { |
602 Flag* result = Flag::find_flag((char*)name, strlen(name)); | |
603 if (result == NULL) return false; | |
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604 *value = result->is_command_line(); |
0 | 605 return true; |
606 } | |
607 | |
17691 | 608 template<class E, class T> |
609 static void trace_flag_changed(const char* name, const T old_value, const T new_value, const Flag::Flags origin) | |
610 { | |
611 E e; | |
612 e.set_name(name); | |
613 e.set_old_value(old_value); | |
614 e.set_new_value(new_value); | |
615 e.set_origin(origin); | |
616 e.commit(); | |
617 } | |
618 | |
20249 | 619 bool CommandLineFlags::boolAt(const char* name, size_t len, bool* value) { |
0 | 620 Flag* result = Flag::find_flag(name, len); |
621 if (result == NULL) return false; | |
622 if (!result->is_bool()) return false; | |
623 *value = result->get_bool(); | |
624 return true; | |
625 } | |
626 | |
20249 | 627 bool CommandLineFlags::boolAtPut(const char* name, size_t len, bool* value, Flag::Flags origin) { |
0 | 628 Flag* result = Flag::find_flag(name, len); |
629 if (result == NULL) return false; | |
630 if (!result->is_bool()) return false; | |
631 bool old_value = result->get_bool(); | |
17691 | 632 trace_flag_changed<EventBooleanFlagChanged, bool>(name, old_value, *value, origin); |
0 | 633 result->set_bool(*value); |
634 *value = old_value; | |
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635 result->set_origin(origin); |
0 | 636 return true; |
637 } | |
638 | |
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639 void CommandLineFlagsEx::boolAtPut(CommandLineFlagWithType flag, bool value, Flag::Flags origin) { |
0 | 640 Flag* faddr = address_of_flag(flag); |
641 guarantee(faddr != NULL && faddr->is_bool(), "wrong flag type"); | |
17691 | 642 trace_flag_changed<EventBooleanFlagChanged, bool>(faddr->_name, faddr->get_bool(), value, origin); |
0 | 643 faddr->set_bool(value); |
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644 faddr->set_origin(origin); |
0 | 645 } |
646 | |
20249 | 647 bool CommandLineFlags::intxAt(const char* name, size_t len, intx* value) { |
0 | 648 Flag* result = Flag::find_flag(name, len); |
649 if (result == NULL) return false; | |
650 if (!result->is_intx()) return false; | |
651 *value = result->get_intx(); | |
652 return true; | |
653 } | |
654 | |
20249 | 655 bool CommandLineFlags::intxAtPut(const char* name, size_t len, intx* value, Flag::Flags origin) { |
0 | 656 Flag* result = Flag::find_flag(name, len); |
657 if (result == NULL) return false; | |
658 if (!result->is_intx()) return false; | |
659 intx old_value = result->get_intx(); | |
17691 | 660 trace_flag_changed<EventLongFlagChanged, s8>(name, old_value, *value, origin); |
0 | 661 result->set_intx(*value); |
662 *value = old_value; | |
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663 result->set_origin(origin); |
0 | 664 return true; |
665 } | |
666 | |
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667 void CommandLineFlagsEx::intxAtPut(CommandLineFlagWithType flag, intx value, Flag::Flags origin) { |
0 | 668 Flag* faddr = address_of_flag(flag); |
669 guarantee(faddr != NULL && faddr->is_intx(), "wrong flag type"); | |
17691 | 670 trace_flag_changed<EventLongFlagChanged, s8>(faddr->_name, faddr->get_intx(), value, origin); |
0 | 671 faddr->set_intx(value); |
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672 faddr->set_origin(origin); |
0 | 673 } |
674 | |
20249 | 675 bool CommandLineFlags::uintxAt(const char* name, size_t len, uintx* value) { |
0 | 676 Flag* result = Flag::find_flag(name, len); |
677 if (result == NULL) return false; | |
678 if (!result->is_uintx()) return false; | |
679 *value = result->get_uintx(); | |
680 return true; | |
681 } | |
682 | |
20249 | 683 bool CommandLineFlags::uintxAtPut(const char* name, size_t len, uintx* value, Flag::Flags origin) { |
0 | 684 Flag* result = Flag::find_flag(name, len); |
685 if (result == NULL) return false; | |
686 if (!result->is_uintx()) return false; | |
687 uintx old_value = result->get_uintx(); | |
17691 | 688 trace_flag_changed<EventUnsignedLongFlagChanged, u8>(name, old_value, *value, origin); |
0 | 689 result->set_uintx(*value); |
690 *value = old_value; | |
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691 result->set_origin(origin); |
0 | 692 return true; |
693 } | |
694 | |
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695 void CommandLineFlagsEx::uintxAtPut(CommandLineFlagWithType flag, uintx value, Flag::Flags origin) { |
0 | 696 Flag* faddr = address_of_flag(flag); |
697 guarantee(faddr != NULL && faddr->is_uintx(), "wrong flag type"); | |
17691 | 698 trace_flag_changed<EventUnsignedLongFlagChanged, u8>(faddr->_name, faddr->get_uintx(), value, origin); |
0 | 699 faddr->set_uintx(value); |
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700 faddr->set_origin(origin); |
0 | 701 } |
702 | |
20249 | 703 bool CommandLineFlags::uint64_tAt(const char* name, size_t len, uint64_t* value) { |
1064 | 704 Flag* result = Flag::find_flag(name, len); |
705 if (result == NULL) return false; | |
706 if (!result->is_uint64_t()) return false; | |
707 *value = result->get_uint64_t(); | |
708 return true; | |
709 } | |
710 | |
20249 | 711 bool CommandLineFlags::uint64_tAtPut(const char* name, size_t len, uint64_t* value, Flag::Flags origin) { |
1064 | 712 Flag* result = Flag::find_flag(name, len); |
713 if (result == NULL) return false; | |
714 if (!result->is_uint64_t()) return false; | |
715 uint64_t old_value = result->get_uint64_t(); | |
17691 | 716 trace_flag_changed<EventUnsignedLongFlagChanged, u8>(name, old_value, *value, origin); |
1064 | 717 result->set_uint64_t(*value); |
718 *value = old_value; | |
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719 result->set_origin(origin); |
1064 | 720 return true; |
721 } | |
722 | |
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723 void CommandLineFlagsEx::uint64_tAtPut(CommandLineFlagWithType flag, uint64_t value, Flag::Flags origin) { |
1064 | 724 Flag* faddr = address_of_flag(flag); |
725 guarantee(faddr != NULL && faddr->is_uint64_t(), "wrong flag type"); | |
17691 | 726 trace_flag_changed<EventUnsignedLongFlagChanged, u8>(faddr->_name, faddr->get_uint64_t(), value, origin); |
1064 | 727 faddr->set_uint64_t(value); |
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728 faddr->set_origin(origin); |
1064 | 729 } |
730 | |
20249 | 731 bool CommandLineFlags::doubleAt(const char* name, size_t len, double* value) { |
0 | 732 Flag* result = Flag::find_flag(name, len); |
733 if (result == NULL) return false; | |
734 if (!result->is_double()) return false; | |
735 *value = result->get_double(); | |
736 return true; | |
737 } | |
738 | |
20249 | 739 bool CommandLineFlags::doubleAtPut(const char* name, size_t len, double* value, Flag::Flags origin) { |
0 | 740 Flag* result = Flag::find_flag(name, len); |
741 if (result == NULL) return false; | |
742 if (!result->is_double()) return false; | |
743 double old_value = result->get_double(); | |
17691 | 744 trace_flag_changed<EventDoubleFlagChanged, double>(name, old_value, *value, origin); |
0 | 745 result->set_double(*value); |
746 *value = old_value; | |
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747 result->set_origin(origin); |
0 | 748 return true; |
749 } | |
750 | |
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751 void CommandLineFlagsEx::doubleAtPut(CommandLineFlagWithType flag, double value, Flag::Flags origin) { |
0 | 752 Flag* faddr = address_of_flag(flag); |
753 guarantee(faddr != NULL && faddr->is_double(), "wrong flag type"); | |
17691 | 754 trace_flag_changed<EventDoubleFlagChanged, double>(faddr->_name, faddr->get_double(), value, origin); |
0 | 755 faddr->set_double(value); |
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756 faddr->set_origin(origin); |
0 | 757 } |
758 | |
20249 | 759 bool CommandLineFlags::ccstrAt(const char* name, size_t len, ccstr* value) { |
0 | 760 Flag* result = Flag::find_flag(name, len); |
761 if (result == NULL) return false; | |
762 if (!result->is_ccstr()) return false; | |
763 *value = result->get_ccstr(); | |
764 return true; | |
765 } | |
766 | |
20249 | 767 bool CommandLineFlags::ccstrAtPut(const char* name, size_t len, ccstr* value, Flag::Flags origin) { |
0 | 768 Flag* result = Flag::find_flag(name, len); |
769 if (result == NULL) return false; | |
770 if (!result->is_ccstr()) return false; | |
771 ccstr old_value = result->get_ccstr(); | |
17691 | 772 trace_flag_changed<EventStringFlagChanged, const char*>(name, old_value, *value, origin); |
370
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773 char* new_value = NULL; |
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774 if (*value != NULL) { |
6197 | 775 new_value = NEW_C_HEAP_ARRAY(char, strlen(*value)+1, mtInternal); |
370
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776 strcpy(new_value, *value); |
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777 } |
0 | 778 result->set_ccstr(new_value); |
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779 if (result->is_default() && old_value != NULL) { |
0 | 780 // Prior value is NOT heap allocated, but was a literal constant. |
6197 | 781 char* old_value_to_free = NEW_C_HEAP_ARRAY(char, strlen(old_value)+1, mtInternal); |
0 | 782 strcpy(old_value_to_free, old_value); |
783 old_value = old_value_to_free; | |
784 } | |
785 *value = old_value; | |
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786 result->set_origin(origin); |
0 | 787 return true; |
788 } | |
789 | |
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790 void CommandLineFlagsEx::ccstrAtPut(CommandLineFlagWithType flag, ccstr value, Flag::Flags origin) { |
0 | 791 Flag* faddr = address_of_flag(flag); |
792 guarantee(faddr != NULL && faddr->is_ccstr(), "wrong flag type"); | |
793 ccstr old_value = faddr->get_ccstr(); | |
17691 | 794 trace_flag_changed<EventStringFlagChanged, const char*>(faddr->_name, old_value, value, origin); |
6197 | 795 char* new_value = NEW_C_HEAP_ARRAY(char, strlen(value)+1, mtInternal); |
0 | 796 strcpy(new_value, value); |
797 faddr->set_ccstr(new_value); | |
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798 if (!faddr->is_default() && old_value != NULL) { |
0 | 799 // Prior value is heap allocated so free it. |
6197 | 800 FREE_C_HEAP_ARRAY(char, old_value, mtInternal); |
0 | 801 } |
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802 faddr->set_origin(origin); |
0 | 803 } |
804 | |
805 extern "C" { | |
806 static int compare_flags(const void* void_a, const void* void_b) { | |
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807 return strcmp((*((Flag**) void_a))->_name, (*((Flag**) void_b))->_name); |
0 | 808 } |
809 } | |
810 | |
4773 | 811 void CommandLineFlags::printSetFlags(outputStream* out) { |
0 | 812 // Print which flags were set on the command line |
813 // note: this method is called before the thread structure is in place | |
814 // which means resource allocation cannot be used. | |
815 | |
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816 // The last entry is the null entry. |
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817 const size_t length = Flag::numFlags - 1; |
0 | 818 |
819 // Sort | |
6197 | 820 Flag** array = NEW_C_HEAP_ARRAY(Flag*, length, mtInternal); |
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821 for (size_t i = 0; i < length; i++) { |
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822 array[i] = &flagTable[i]; |
0 | 823 } |
824 qsort(array, length, sizeof(Flag*), compare_flags); | |
825 | |
826 // Print | |
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827 for (size_t i = 0; i < length; i++) { |
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828 if (array[i]->get_origin() /* naked field! */) { |
4773 | 829 array[i]->print_as_flag(out); |
830 out->print(" "); | |
0 | 831 } |
832 } | |
4773 | 833 out->cr(); |
6197 | 834 FREE_C_HEAP_ARRAY(Flag*, array, mtInternal); |
0 | 835 } |
836 | |
837 #ifndef PRODUCT | |
838 | |
839 | |
840 void CommandLineFlags::verify() { | |
841 assert(Arguments::check_vm_args_consistency(), "Some flag settings conflict"); | |
842 } | |
843 | |
1150 | 844 #endif // PRODUCT |
845 | |
4773 | 846 void CommandLineFlags::printFlags(outputStream* out, bool withComments) { |
0 | 847 // Print the flags sorted by name |
848 // note: this method is called before the thread structure is in place | |
849 // which means resource allocation cannot be used. | |
850 | |
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851 // The last entry is the null entry. |
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852 const size_t length = Flag::numFlags - 1; |
0 | 853 |
854 // Sort | |
6197 | 855 Flag** array = NEW_C_HEAP_ARRAY(Flag*, length, mtInternal); |
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856 for (size_t i = 0; i < length; i++) { |
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857 array[i] = &flagTable[i]; |
0 | 858 } |
859 qsort(array, length, sizeof(Flag*), compare_flags); | |
860 | |
861 // Print | |
4773 | 862 out->print_cr("[Global flags]"); |
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863 for (size_t i = 0; i < length; i++) { |
0 | 864 if (array[i]->is_unlocked()) { |
4773 | 865 array[i]->print_on(out, withComments); |
0 | 866 } |
867 } | |
6197 | 868 FREE_C_HEAP_ARRAY(Flag*, array, mtInternal); |
0 | 869 } |