Mercurial > hg > truffle
annotate src/share/vm/runtime/globals.cpp @ 13212:eb03a7335eb0
Use fixed instead of virtual register for target in far foreign call, since the register allocator does not support virtual registers to be used at call sites.
author | Christian Wimmer <christian.wimmer@oracle.com> |
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date | Mon, 02 Dec 2013 14:20:32 -0800 |
parents | 359f7e70ae7f |
children | 02f27ecb4f3a |
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 |
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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_NOT_PRODUCT, "notproduct" }, |
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329 { KIND_DEVELOP, "develop" }, |
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330 { KIND_LP64_PRODUCT, "lp64_product" }, |
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331 { KIND_READ_WRITE, "rw" }, |
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332 { -1, "" } |
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333 }; |
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334 |
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335 if ((_flags & KIND_MASK) != 0) { |
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336 st->print("{"); |
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337 bool is_first = true; |
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338 |
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339 for (int i = 0; data[i].flag != -1; i++) { |
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340 Data d = data[i]; |
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341 if ((_flags & d.flag) != 0) { |
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342 if (is_first) { |
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343 is_first = false; |
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344 } else { |
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345 st->print(" "); |
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346 } |
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347 st->print(d.name); |
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348 } |
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349 } |
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350 |
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351 st->print("}"); |
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352 } |
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353 } |
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354 |
0 | 355 void Flag::print_as_flag(outputStream* st) { |
356 if (is_bool()) { | |
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357 st->print("-XX:%s%s", get_bool() ? "+" : "-", _name); |
0 | 358 } else if (is_intx()) { |
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359 st->print("-XX:%s=" INTX_FORMAT, _name, get_intx()); |
0 | 360 } else if (is_uintx()) { |
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361 st->print("-XX:%s=" UINTX_FORMAT, _name, get_uintx()); |
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362 } else if (is_uint64_t()) { |
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363 st->print("-XX:%s=" UINT64_FORMAT, _name, get_uint64_t()); |
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364 } else if (is_double()) { |
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365 st->print("-XX:%s=%f", _name, get_double()); |
0 | 366 } else if (is_ccstr()) { |
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367 st->print("-XX:%s=", _name); |
103 | 368 const char* cp = get_ccstr(); |
369 if (cp != NULL) { | |
370 // Need to turn embedded '\n's back into separate arguments | |
371 // Not so efficient to print one character at a time, | |
372 // but the choice is to do the transformation to a buffer | |
373 // and print that. And this need not be efficient. | |
374 for (; *cp != '\0'; cp += 1) { | |
375 switch (*cp) { | |
376 default: | |
377 st->print("%c", *cp); | |
378 break; | |
379 case '\n': | |
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380 st->print(" -XX:%s=", _name); |
103 | 381 break; |
382 } | |
0 | 383 } |
384 } | |
385 } else { | |
386 ShouldNotReachHere(); | |
387 } | |
388 } | |
389 | |
390 // 4991491 do not "optimize out" the was_set false values: omitting them | |
391 // tickles a Microsoft compiler bug causing flagTable to be malformed | |
392 | |
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393 #define NAME(name) NOT_PRODUCT(&name) PRODUCT_ONLY(&CONST_##name) |
0 | 394 |
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395 #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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396 #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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397 #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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398 #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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399 #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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400 #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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401 #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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402 #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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403 #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 | 404 |
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405 #ifdef _LP64 |
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406 #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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407 #else |
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408 #define RUNTIME_LP64_PRODUCT_FLAG_STRUCT(type, name, value, doc) /* flag is constant */ |
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409 #endif // _LP64 |
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410 |
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411 #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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412 #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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413 #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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414 #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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415 #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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416 #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 | 417 |
12355 | 418 #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) }, |
419 #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) }, | |
420 #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) }, | |
421 #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) }, | |
422 #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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423 |
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424 #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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425 #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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426 #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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427 #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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428 #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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429 #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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430 #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 | 431 |
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432 #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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433 #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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434 #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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435 #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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436 #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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437 |
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438 #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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439 #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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440 #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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441 #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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442 #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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443 #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 | 444 |
445 static Flag flagTable[] = { | |
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446 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 | 447 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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448 #if INCLUDE_ALL_GCS |
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449 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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450 #endif // INCLUDE_ALL_GCS |
0 | 451 #ifdef COMPILER1 |
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452 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 | 453 #endif |
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454 #ifdef GRAAL |
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455 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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456 #endif |
0 | 457 #ifdef COMPILER2 |
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458 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 | 459 #endif |
1692 | 460 #ifdef SHARK |
461 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) | |
462 #endif | |
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463 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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464 FLAGTABLE_EXT |
0 | 465 {0, NULL, NULL} |
466 }; | |
467 | |
468 Flag* Flag::flags = flagTable; | |
469 size_t Flag::numFlags = (sizeof(flagTable) / sizeof(Flag)); | |
470 | |
11070 | 471 inline bool str_equal(const char* s, const char* q, size_t len) { |
0 | 472 // s is null terminated, q is not! |
473 if (strlen(s) != (unsigned int) len) return false; | |
474 return strncmp(s, q, len) == 0; | |
475 } | |
476 | |
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477 // Search the flag table for a named flag |
11070 | 478 Flag* Flag::find_flag(const char* name, size_t length, bool allow_locked) { |
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479 for (Flag* current = &flagTable[0]; current->_name != NULL; current++) { |
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480 if (str_equal(current->_name, name, length)) { |
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481 // Found a matching entry. |
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482 // Don't report notproduct and develop flags in product builds. |
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483 if (current->is_constant_in_binary()) { |
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484 return NULL; |
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485 } |
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486 // Report locked flags only if allowed. |
0 | 487 if (!(current->is_unlocked() || current->is_unlocker())) { |
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488 if (!allow_locked) { |
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489 // disable use of locked flags, e.g. diagnostic, experimental, |
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490 // commercial... until they are explicitly unlocked |
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491 return NULL; |
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492 } |
0 | 493 } |
494 return current; | |
495 } | |
496 } | |
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497 // Flag name is not in the flag table |
0 | 498 return NULL; |
499 } | |
500 | |
11070 | 501 // Compute string similarity based on Dice's coefficient |
502 static float str_similar(const char* str1, const char* str2, size_t len2) { | |
503 int len1 = (int) strlen(str1); | |
504 int total = len1 + (int) len2; | |
505 | |
506 int hit = 0; | |
507 | |
508 for (int i = 0; i < len1 -1; ++i) { | |
509 for (int j = 0; j < (int) len2 -1; ++j) { | |
510 if ((str1[i] == str2[j]) && (str1[i+1] == str2[j+1])) { | |
511 ++hit; | |
512 break; | |
513 } | |
514 } | |
515 } | |
516 | |
517 return 2.0f * (float) hit / (float) total; | |
518 } | |
519 | |
520 Flag* Flag::fuzzy_match(const char* name, size_t length, bool allow_locked) { | |
521 float VMOptionsFuzzyMatchSimilarity = 0.7f; | |
522 Flag* match = NULL; | |
523 float score; | |
524 float max_score = -1; | |
525 | |
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526 for (Flag* current = &flagTable[0]; current->_name != NULL; current++) { |
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527 score = str_similar(current->_name, name, length); |
11070 | 528 if (score > max_score) { |
529 max_score = score; | |
530 match = current; | |
531 } | |
532 } | |
533 | |
534 if (!(match->is_unlocked() || match->is_unlocker())) { | |
535 if (!allow_locked) { | |
536 return NULL; | |
537 } | |
538 } | |
539 | |
540 if (max_score < VMOptionsFuzzyMatchSimilarity) { | |
541 return NULL; | |
542 } | |
543 | |
544 return match; | |
545 } | |
546 | |
0 | 547 // Returns the address of the index'th element |
548 static Flag* address_of_flag(CommandLineFlagWithType flag) { | |
549 assert((size_t)flag < Flag::numFlags, "bad command line flag index"); | |
550 return &Flag::flags[flag]; | |
551 } | |
552 | |
553 bool CommandLineFlagsEx::is_default(CommandLineFlag flag) { | |
554 assert((size_t)flag < Flag::numFlags, "bad command line flag index"); | |
555 Flag* f = &Flag::flags[flag]; | |
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556 return f->is_default(); |
0 | 557 } |
558 | |
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559 bool CommandLineFlagsEx::is_ergo(CommandLineFlag flag) { |
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560 assert((size_t)flag < Flag::numFlags, "bad command line flag index"); |
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561 Flag* f = &Flag::flags[flag]; |
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562 return f->is_ergonomic(); |
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563 } |
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564 |
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565 bool CommandLineFlagsEx::is_cmdline(CommandLineFlag flag) { |
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566 assert((size_t)flag < Flag::numFlags, "bad command line flag index"); |
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567 Flag* f = &Flag::flags[flag]; |
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568 return f->is_command_line(); |
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569 } |
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570 |
0 | 571 bool CommandLineFlags::wasSetOnCmdline(const char* name, bool* value) { |
572 Flag* result = Flag::find_flag((char*)name, strlen(name)); | |
573 if (result == NULL) return false; | |
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574 *value = result->is_command_line(); |
0 | 575 return true; |
576 } | |
577 | |
578 bool CommandLineFlags::boolAt(char* name, size_t len, bool* value) { | |
579 Flag* result = Flag::find_flag(name, len); | |
580 if (result == NULL) return false; | |
581 if (!result->is_bool()) return false; | |
582 *value = result->get_bool(); | |
583 return true; | |
584 } | |
585 | |
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586 bool CommandLineFlags::boolAtPut(char* name, size_t len, bool* value, Flag::Flags origin) { |
0 | 587 Flag* result = Flag::find_flag(name, len); |
588 if (result == NULL) return false; | |
589 if (!result->is_bool()) return false; | |
590 bool old_value = result->get_bool(); | |
591 result->set_bool(*value); | |
592 *value = old_value; | |
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593 result->set_origin(origin); |
0 | 594 return true; |
595 } | |
596 | |
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597 void CommandLineFlagsEx::boolAtPut(CommandLineFlagWithType flag, bool value, Flag::Flags origin) { |
0 | 598 Flag* faddr = address_of_flag(flag); |
599 guarantee(faddr != NULL && faddr->is_bool(), "wrong flag type"); | |
600 faddr->set_bool(value); | |
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601 faddr->set_origin(origin); |
0 | 602 } |
603 | |
604 bool CommandLineFlags::intxAt(char* name, size_t len, intx* value) { | |
605 Flag* result = Flag::find_flag(name, len); | |
606 if (result == NULL) return false; | |
607 if (!result->is_intx()) return false; | |
608 *value = result->get_intx(); | |
609 return true; | |
610 } | |
611 | |
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612 bool CommandLineFlags::intxAtPut(char* name, size_t len, intx* value, Flag::Flags origin) { |
0 | 613 Flag* result = Flag::find_flag(name, len); |
614 if (result == NULL) return false; | |
615 if (!result->is_intx()) return false; | |
616 intx old_value = result->get_intx(); | |
617 result->set_intx(*value); | |
618 *value = old_value; | |
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619 result->set_origin(origin); |
0 | 620 return true; |
621 } | |
622 | |
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623 void CommandLineFlagsEx::intxAtPut(CommandLineFlagWithType flag, intx value, Flag::Flags origin) { |
0 | 624 Flag* faddr = address_of_flag(flag); |
625 guarantee(faddr != NULL && faddr->is_intx(), "wrong flag type"); | |
626 faddr->set_intx(value); | |
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627 faddr->set_origin(origin); |
0 | 628 } |
629 | |
630 bool CommandLineFlags::uintxAt(char* name, size_t len, uintx* value) { | |
631 Flag* result = Flag::find_flag(name, len); | |
632 if (result == NULL) return false; | |
633 if (!result->is_uintx()) return false; | |
634 *value = result->get_uintx(); | |
635 return true; | |
636 } | |
637 | |
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638 bool CommandLineFlags::uintxAtPut(char* name, size_t len, uintx* value, Flag::Flags origin) { |
0 | 639 Flag* result = Flag::find_flag(name, len); |
640 if (result == NULL) return false; | |
641 if (!result->is_uintx()) return false; | |
642 uintx old_value = result->get_uintx(); | |
643 result->set_uintx(*value); | |
644 *value = old_value; | |
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645 result->set_origin(origin); |
0 | 646 return true; |
647 } | |
648 | |
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649 void CommandLineFlagsEx::uintxAtPut(CommandLineFlagWithType flag, uintx value, Flag::Flags origin) { |
0 | 650 Flag* faddr = address_of_flag(flag); |
651 guarantee(faddr != NULL && faddr->is_uintx(), "wrong flag type"); | |
652 faddr->set_uintx(value); | |
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653 faddr->set_origin(origin); |
0 | 654 } |
655 | |
1064 | 656 bool CommandLineFlags::uint64_tAt(char* name, size_t len, uint64_t* value) { |
657 Flag* result = Flag::find_flag(name, len); | |
658 if (result == NULL) return false; | |
659 if (!result->is_uint64_t()) return false; | |
660 *value = result->get_uint64_t(); | |
661 return true; | |
662 } | |
663 | |
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664 bool CommandLineFlags::uint64_tAtPut(char* name, size_t len, uint64_t* value, Flag::Flags origin) { |
1064 | 665 Flag* result = Flag::find_flag(name, len); |
666 if (result == NULL) return false; | |
667 if (!result->is_uint64_t()) return false; | |
668 uint64_t old_value = result->get_uint64_t(); | |
669 result->set_uint64_t(*value); | |
670 *value = old_value; | |
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671 result->set_origin(origin); |
1064 | 672 return true; |
673 } | |
674 | |
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675 void CommandLineFlagsEx::uint64_tAtPut(CommandLineFlagWithType flag, uint64_t value, Flag::Flags origin) { |
1064 | 676 Flag* faddr = address_of_flag(flag); |
677 guarantee(faddr != NULL && faddr->is_uint64_t(), "wrong flag type"); | |
678 faddr->set_uint64_t(value); | |
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679 faddr->set_origin(origin); |
1064 | 680 } |
681 | |
0 | 682 bool CommandLineFlags::doubleAt(char* name, size_t len, double* value) { |
683 Flag* result = Flag::find_flag(name, len); | |
684 if (result == NULL) return false; | |
685 if (!result->is_double()) return false; | |
686 *value = result->get_double(); | |
687 return true; | |
688 } | |
689 | |
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690 bool CommandLineFlags::doubleAtPut(char* name, size_t len, double* value, Flag::Flags origin) { |
0 | 691 Flag* result = Flag::find_flag(name, len); |
692 if (result == NULL) return false; | |
693 if (!result->is_double()) return false; | |
694 double old_value = result->get_double(); | |
695 result->set_double(*value); | |
696 *value = old_value; | |
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697 result->set_origin(origin); |
0 | 698 return true; |
699 } | |
700 | |
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701 void CommandLineFlagsEx::doubleAtPut(CommandLineFlagWithType flag, double value, Flag::Flags origin) { |
0 | 702 Flag* faddr = address_of_flag(flag); |
703 guarantee(faddr != NULL && faddr->is_double(), "wrong flag type"); | |
704 faddr->set_double(value); | |
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705 faddr->set_origin(origin); |
0 | 706 } |
707 | |
708 bool CommandLineFlags::ccstrAt(char* name, size_t len, ccstr* value) { | |
709 Flag* result = Flag::find_flag(name, len); | |
710 if (result == NULL) return false; | |
711 if (!result->is_ccstr()) return false; | |
712 *value = result->get_ccstr(); | |
713 return true; | |
714 } | |
715 | |
716 // Contract: Flag will make private copy of the incoming value. | |
717 // Outgoing value is always malloc-ed, and caller MUST call free. | |
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718 bool CommandLineFlags::ccstrAtPut(char* name, size_t len, ccstr* value, Flag::Flags origin) { |
0 | 719 Flag* result = Flag::find_flag(name, len); |
720 if (result == NULL) return false; | |
721 if (!result->is_ccstr()) return false; | |
722 ccstr old_value = result->get_ccstr(); | |
370
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723 char* new_value = NULL; |
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724 if (*value != NULL) { |
6197 | 725 new_value = NEW_C_HEAP_ARRAY(char, strlen(*value)+1, mtInternal); |
370
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726 strcpy(new_value, *value); |
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727 } |
0 | 728 result->set_ccstr(new_value); |
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729 if (result->is_default() && old_value != NULL) { |
0 | 730 // Prior value is NOT heap allocated, but was a literal constant. |
6197 | 731 char* old_value_to_free = NEW_C_HEAP_ARRAY(char, strlen(old_value)+1, mtInternal); |
0 | 732 strcpy(old_value_to_free, old_value); |
733 old_value = old_value_to_free; | |
734 } | |
735 *value = old_value; | |
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736 result->set_origin(origin); |
0 | 737 return true; |
738 } | |
739 | |
740 // Contract: Flag will make private copy of the incoming value. | |
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741 void CommandLineFlagsEx::ccstrAtPut(CommandLineFlagWithType flag, ccstr value, Flag::Flags origin) { |
0 | 742 Flag* faddr = address_of_flag(flag); |
743 guarantee(faddr != NULL && faddr->is_ccstr(), "wrong flag type"); | |
744 ccstr old_value = faddr->get_ccstr(); | |
6197 | 745 char* new_value = NEW_C_HEAP_ARRAY(char, strlen(value)+1, mtInternal); |
0 | 746 strcpy(new_value, value); |
747 faddr->set_ccstr(new_value); | |
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748 if (!faddr->is_default() && old_value != NULL) { |
0 | 749 // Prior value is heap allocated so free it. |
6197 | 750 FREE_C_HEAP_ARRAY(char, old_value, mtInternal); |
0 | 751 } |
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752 faddr->set_origin(origin); |
0 | 753 } |
754 | |
755 extern "C" { | |
756 static int compare_flags(const void* void_a, const void* void_b) { | |
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757 return strcmp((*((Flag**) void_a))->_name, (*((Flag**) void_b))->_name); |
0 | 758 } |
759 } | |
760 | |
4773 | 761 void CommandLineFlags::printSetFlags(outputStream* out) { |
0 | 762 // Print which flags were set on the command line |
763 // note: this method is called before the thread structure is in place | |
764 // which means resource allocation cannot be used. | |
765 | |
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766 // The last entry is the null entry. |
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767 const size_t length = Flag::numFlags - 1; |
0 | 768 |
769 // Sort | |
6197 | 770 Flag** array = NEW_C_HEAP_ARRAY(Flag*, length, mtInternal); |
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771 for (size_t i = 0; i < length; i++) { |
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772 array[i] = &flagTable[i]; |
0 | 773 } |
774 qsort(array, length, sizeof(Flag*), compare_flags); | |
775 | |
776 // Print | |
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777 for (size_t i = 0; i < length; i++) { |
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778 if (array[i]->get_origin() /* naked field! */) { |
4773 | 779 array[i]->print_as_flag(out); |
780 out->print(" "); | |
0 | 781 } |
782 } | |
4773 | 783 out->cr(); |
6197 | 784 FREE_C_HEAP_ARRAY(Flag*, array, mtInternal); |
0 | 785 } |
786 | |
787 #ifndef PRODUCT | |
788 | |
789 | |
790 void CommandLineFlags::verify() { | |
791 assert(Arguments::check_vm_args_consistency(), "Some flag settings conflict"); | |
792 } | |
793 | |
1150 | 794 #endif // PRODUCT |
795 | |
4773 | 796 void CommandLineFlags::printFlags(outputStream* out, bool withComments) { |
0 | 797 // Print the flags sorted by name |
798 // note: this method is called before the thread structure is in place | |
799 // which means resource allocation cannot be used. | |
800 | |
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801 // The last entry is the null entry. |
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802 const size_t length = Flag::numFlags - 1; |
0 | 803 |
804 // Sort | |
6197 | 805 Flag** array = NEW_C_HEAP_ARRAY(Flag*, length, mtInternal); |
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806 for (size_t i = 0; i < length; i++) { |
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807 array[i] = &flagTable[i]; |
0 | 808 } |
809 qsort(array, length, sizeof(Flag*), compare_flags); | |
810 | |
811 // Print | |
4773 | 812 out->print_cr("[Global flags]"); |
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813 for (size_t i = 0; i < length; i++) { |
0 | 814 if (array[i]->is_unlocked()) { |
4773 | 815 array[i]->print_on(out, withComments); |
0 | 816 } |
817 } | |
6197 | 818 FREE_C_HEAP_ARRAY(Flag*, array, mtInternal); |
0 | 819 } |