Mercurial > hg > truffle
annotate src/share/vm/runtime/globals.cpp @ 7212:291ffc492eb6
Merge with http://hg.openjdk.java.net/hsx/hsx25/hotspot/
| author | Doug Simon <doug.simon@oracle.com> |
|---|---|
| date | Fri, 14 Dec 2012 14:35:13 +0100 |
| parents | 1baf7f1e3f23 |
| children | 5fc51c1ecdeb |
| rev | line source |
|---|---|
| 0 | 1 /* |
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2 * Copyright (c) 1997, 2012, 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" | |
| 32 #include "utilities/top.hpp" | |
| 33 #ifndef SERIALGC | |
| 34 #include "gc_implementation/g1/g1_globals.hpp" | |
| 35 #endif | |
| 36 #ifdef COMPILER1 | |
| 37 #include "c1/c1_globals.hpp" | |
| 38 #endif | |
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39 #ifdef GRAAL |
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40 #include "graal/graalGlobals.hpp" |
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41 #endif |
| 1972 | 42 #ifdef COMPILER2 |
| 43 #include "opto/c2_globals.hpp" | |
| 44 #endif | |
| 45 #ifdef SHARK | |
| 46 #include "shark/shark_globals.hpp" | |
| 47 #endif | |
| 0 | 48 |
| 49 RUNTIME_FLAGS(MATERIALIZE_DEVELOPER_FLAG, MATERIALIZE_PD_DEVELOPER_FLAG, \ | |
| 50 MATERIALIZE_PRODUCT_FLAG, MATERIALIZE_PD_PRODUCT_FLAG, \ | |
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51 MATERIALIZE_DIAGNOSTIC_FLAG, MATERIALIZE_EXPERIMENTAL_FLAG, \ |
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52 MATERIALIZE_NOTPRODUCT_FLAG, \ |
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53 MATERIALIZE_MANAGEABLE_FLAG, MATERIALIZE_PRODUCT_RW_FLAG, \ |
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54 MATERIALIZE_LP64_PRODUCT_FLAG) |
| 0 | 55 |
| 56 RUNTIME_OS_FLAGS(MATERIALIZE_DEVELOPER_FLAG, MATERIALIZE_PD_DEVELOPER_FLAG, \ | |
| 57 MATERIALIZE_PRODUCT_FLAG, MATERIALIZE_PD_PRODUCT_FLAG, \ | |
| 58 MATERIALIZE_DIAGNOSTIC_FLAG, MATERIALIZE_NOTPRODUCT_FLAG) | |
| 59 | |
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60 ARCH_FLAGS(MATERIALIZE_DEVELOPER_FLAG, MATERIALIZE_PRODUCT_FLAG, \ |
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61 MATERIALIZE_DIAGNOSTIC_FLAG, MATERIALIZE_EXPERIMENTAL_FLAG, \ |
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62 MATERIALIZE_NOTPRODUCT_FLAG) |
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63 |
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64 MATERIALIZE_FLAGS_EXT |
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65 |
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66 |
| 0 | 67 bool Flag::is_unlocker() const { |
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68 return strcmp(name, "UnlockDiagnosticVMOptions") == 0 || |
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69 strcmp(name, "UnlockExperimentalVMOptions") == 0 || |
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70 is_unlocker_ext(); |
| 0 | 71 } |
| 72 | |
| 73 bool Flag::is_unlocked() const { | |
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74 if (strcmp(kind, "{diagnostic}") == 0) { |
| 2460 | 75 if (strcmp(name, "EnableInvokeDynamic") == 0 && UnlockExperimentalVMOptions && !UnlockDiagnosticVMOptions) { |
| 76 // transitional logic to allow tests to run until they are changed | |
| 77 static int warned; | |
| 78 if (++warned == 1) warning("Use -XX:+UnlockDiagnosticVMOptions before EnableInvokeDynamic flag"); | |
| 79 return true; | |
| 80 } | |
| 0 | 81 return UnlockDiagnosticVMOptions; |
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82 } else if (strcmp(kind, "{experimental}") == 0 || |
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83 strcmp(kind, "{C2 experimental}") == 0) { |
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84 return UnlockExperimentalVMOptions; |
| 0 | 85 } else { |
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86 return is_unlocked_ext(); |
| 0 | 87 } |
| 88 } | |
| 89 | |
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90 // Get custom message for this locked flag, or return NULL if |
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91 // none is available. |
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92 void Flag::get_locked_message(char* buf, int buflen) const { |
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93 get_locked_message_ext(buf, buflen); |
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94 } |
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95 |
| 0 | 96 bool Flag::is_writeable() const { |
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97 return strcmp(kind, "{manageable}") == 0 || |
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98 strcmp(kind, "{product rw}") == 0 || |
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99 is_writeable_ext(); |
| 0 | 100 } |
| 101 | |
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102 // All flags except "manageable" are assumed to be internal flags. |
| 0 | 103 // Long term, we need to define a mechanism to specify which flags |
| 104 // are external/stable and change this function accordingly. | |
| 105 bool Flag::is_external() const { | |
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106 return strcmp(kind, "{manageable}") == 0 || is_external_ext(); |
| 0 | 107 } |
| 108 | |
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109 |
| 0 | 110 // Length of format string (e.g. "%.1234s") for printing ccstr below |
| 111 #define FORMAT_BUFFER_LEN 16 | |
| 112 | |
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113 void Flag::print_on(outputStream* st, bool withComments) { |
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114 st->print("%9s %-40s %c= ", type, name, (origin != DEFAULT ? ':' : ' ')); |
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115 if (is_bool()) st->print("%-16s", get_bool() ? "true" : "false"); |
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116 if (is_intx()) st->print("%-16ld", get_intx()); |
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117 if (is_uintx()) st->print("%-16lu", get_uintx()); |
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118 if (is_uint64_t()) st->print("%-16lu", get_uint64_t()); |
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119 if (is_double()) st->print("%-16f", get_double()); |
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120 |
| 0 | 121 if (is_ccstr()) { |
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122 const char* cp = get_ccstr(); |
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123 if (cp != NULL) { |
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124 const char* eol; |
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125 while ((eol = strchr(cp, '\n')) != NULL) { |
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126 char format_buffer[FORMAT_BUFFER_LEN]; |
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127 size_t llen = pointer_delta(eol, cp, sizeof(char)); |
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128 jio_snprintf(format_buffer, FORMAT_BUFFER_LEN, |
| 103 | 129 "%%." SIZE_FORMAT "s", llen); |
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130 st->print(format_buffer, cp); |
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131 st->cr(); |
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132 cp = eol+1; |
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133 st->print("%5s %-35s += ", "", name); |
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134 } |
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135 st->print("%-16s", cp); |
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136 } |
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137 else st->print("%-16s", ""); |
| 0 | 138 } |
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139 st->print("%-20s", kind); |
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140 if (withComments) { |
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141 #ifndef PRODUCT |
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142 st->print("%s", doc ); |
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143 #endif |
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144 } |
| 0 | 145 st->cr(); |
| 146 } | |
| 147 | |
| 148 void Flag::print_as_flag(outputStream* st) { | |
| 149 if (is_bool()) { | |
| 150 st->print("-XX:%s%s", get_bool() ? "+" : "-", name); | |
| 151 } else if (is_intx()) { | |
| 152 st->print("-XX:%s=" INTX_FORMAT, name, get_intx()); | |
| 153 } else if (is_uintx()) { | |
| 154 st->print("-XX:%s=" UINTX_FORMAT, name, get_uintx()); | |
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155 } else if (is_uint64_t()) { |
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156 st->print("-XX:%s=" UINT64_FORMAT, name, get_uint64_t()); |
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157 } else if (is_double()) { |
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158 st->print("-XX:%s=%f", name, get_double()); |
| 0 | 159 } else if (is_ccstr()) { |
| 160 st->print("-XX:%s=", name); | |
| 103 | 161 const char* cp = get_ccstr(); |
| 162 if (cp != NULL) { | |
| 163 // Need to turn embedded '\n's back into separate arguments | |
| 164 // Not so efficient to print one character at a time, | |
| 165 // but the choice is to do the transformation to a buffer | |
| 166 // and print that. And this need not be efficient. | |
| 167 for (; *cp != '\0'; cp += 1) { | |
| 168 switch (*cp) { | |
| 169 default: | |
| 170 st->print("%c", *cp); | |
| 171 break; | |
| 172 case '\n': | |
| 173 st->print(" -XX:%s=", name); | |
| 174 break; | |
| 175 } | |
| 0 | 176 } |
| 177 } | |
| 178 } else { | |
| 179 ShouldNotReachHere(); | |
| 180 } | |
| 181 } | |
| 182 | |
| 183 // 4991491 do not "optimize out" the was_set false values: omitting them | |
| 184 // tickles a Microsoft compiler bug causing flagTable to be malformed | |
| 185 | |
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186 #define RUNTIME_PRODUCT_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, NOT_PRODUCT_ARG(doc) "{product}", DEFAULT }, |
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187 #define RUNTIME_PD_PRODUCT_FLAG_STRUCT(type, name, doc) { #type, XSTR(name), &name, NOT_PRODUCT_ARG(doc) "{pd product}", DEFAULT }, |
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188 #define RUNTIME_DIAGNOSTIC_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, NOT_PRODUCT_ARG(doc) "{diagnostic}", DEFAULT }, |
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189 #define RUNTIME_EXPERIMENTAL_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, NOT_PRODUCT_ARG(doc) "{experimental}", DEFAULT }, |
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190 #define RUNTIME_MANAGEABLE_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, NOT_PRODUCT_ARG(doc) "{manageable}", DEFAULT }, |
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191 #define RUNTIME_PRODUCT_RW_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, NOT_PRODUCT_ARG(doc) "{product rw}", DEFAULT }, |
| 0 | 192 |
| 193 #ifdef PRODUCT | |
| 194 #define RUNTIME_DEVELOP_FLAG_STRUCT(type, name, value, doc) /* flag is constant */ | |
| 195 #define RUNTIME_PD_DEVELOP_FLAG_STRUCT(type, name, doc) /* flag is constant */ | |
| 196 #define RUNTIME_NOTPRODUCT_FLAG_STRUCT(type, name, value, doc) | |
| 197 #else | |
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198 #define RUNTIME_DEVELOP_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, doc, "", DEFAULT }, |
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199 #define RUNTIME_PD_DEVELOP_FLAG_STRUCT(type, name, doc) { #type, XSTR(name), &name, doc, "{pd}", DEFAULT }, |
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200 #define RUNTIME_NOTPRODUCT_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, doc, "{notproduct}", DEFAULT }, |
| 0 | 201 #endif |
| 202 | |
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203 #ifdef _LP64 |
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204 #define RUNTIME_LP64_PRODUCT_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, NOT_PRODUCT_ARG(doc) "{lp64_product}", DEFAULT }, |
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205 #else |
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206 #define RUNTIME_LP64_PRODUCT_FLAG_STRUCT(type, name, value, doc) /* flag is constant */ |
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207 #endif // _LP64 |
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208 |
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209 #define C1_PRODUCT_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, NOT_PRODUCT_ARG(doc) "{C1 product}", DEFAULT }, |
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210 #define C1_PD_PRODUCT_FLAG_STRUCT(type, name, doc) { #type, XSTR(name), &name, NOT_PRODUCT_ARG(doc) "{C1 pd product}", DEFAULT }, |
| 0 | 211 #ifdef PRODUCT |
| 212 #define C1_DEVELOP_FLAG_STRUCT(type, name, value, doc) /* flag is constant */ | |
| 213 #define C1_PD_DEVELOP_FLAG_STRUCT(type, name, doc) /* flag is constant */ | |
| 214 #define C1_NOTPRODUCT_FLAG_STRUCT(type, name, value, doc) | |
| 215 #else | |
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216 #define C1_DEVELOP_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, doc, "{C1}", DEFAULT }, |
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217 #define C1_PD_DEVELOP_FLAG_STRUCT(type, name, doc) { #type, XSTR(name), &name, doc, "{C1 pd}", DEFAULT }, |
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218 #define C1_NOTPRODUCT_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, doc, "{C1 notproduct}", DEFAULT }, |
| 0 | 219 #endif |
| 220 | |
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221 #define GRAAL_PRODUCT_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, NOT_PRODUCT_ARG(doc) "{Graal product}", DEFAULT }, |
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222 #define GRAAL_PD_PRODUCT_FLAG_STRUCT(type, name, doc) { #type, XSTR(name), &name, NOT_PRODUCT_ARG(doc) "{Graal pd product}", DEFAULT }, |
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223 #ifdef PRODUCT |
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224 #define GRAAL_DEVELOP_FLAG_STRUCT(type, name, value, doc) /* flag is constant */ |
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225 #define GRAAL_PD_DEVELOP_FLAG_STRUCT(type, name, doc) /* flag is constant */ |
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226 #define GRAAL_NOTPRODUCT_FLAG_STRUCT(type, name, value, doc) |
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227 #else |
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228 #define GRAAL_DEVELOP_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, doc, "{Graal}", DEFAULT }, |
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229 #define GRAAL_PD_DEVELOP_FLAG_STRUCT(type, name, doc) { #type, XSTR(name), &name, doc, "{Graal pd}", DEFAULT }, |
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230 #define GRAAL_NOTPRODUCT_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, doc, "{Graal notproduct}", DEFAULT }, |
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231 #endif |
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232 |
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233 #define C2_PRODUCT_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, NOT_PRODUCT_ARG(doc) "{C2 product}", DEFAULT }, |
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234 #define C2_PD_PRODUCT_FLAG_STRUCT(type, name, doc) { #type, XSTR(name), &name, NOT_PRODUCT_ARG(doc) "{C2 pd product}", DEFAULT }, |
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235 #define C2_DIAGNOSTIC_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, NOT_PRODUCT_ARG(doc) "{C2 diagnostic}", DEFAULT }, |
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236 #define C2_EXPERIMENTAL_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, NOT_PRODUCT_ARG(doc) "{C2 experimental}", DEFAULT }, |
| 0 | 237 #ifdef PRODUCT |
| 238 #define C2_DEVELOP_FLAG_STRUCT(type, name, value, doc) /* flag is constant */ | |
| 239 #define C2_PD_DEVELOP_FLAG_STRUCT(type, name, doc) /* flag is constant */ | |
| 240 #define C2_NOTPRODUCT_FLAG_STRUCT(type, name, value, doc) | |
| 241 #else | |
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242 #define C2_DEVELOP_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, doc, "{C2}", DEFAULT }, |
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243 #define C2_PD_DEVELOP_FLAG_STRUCT(type, name, doc) { #type, XSTR(name), &name, doc, "{C2 pd}", DEFAULT }, |
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244 #define C2_NOTPRODUCT_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, doc, "{C2 notproduct}", DEFAULT }, |
| 0 | 245 #endif |
| 246 | |
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247 #define ARCH_PRODUCT_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, NOT_PRODUCT_ARG(doc) "{ARCH product}", DEFAULT }, |
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248 #define ARCH_DIAGNOSTIC_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, NOT_PRODUCT_ARG(doc) "{ARCH diagnostic}", DEFAULT }, |
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249 #define ARCH_EXPERIMENTAL_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, NOT_PRODUCT_ARG(doc) "{ARCH experimental}", DEFAULT }, |
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250 #ifdef PRODUCT |
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251 #define ARCH_DEVELOP_FLAG_STRUCT(type, name, value, doc) /* flag is constant */ |
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252 #define ARCH_NOTPRODUCT_FLAG_STRUCT(type, name, value, doc) |
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253 #else |
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254 #define ARCH_DEVELOP_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, doc, "{ARCH}", DEFAULT }, |
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255 #define ARCH_NOTPRODUCT_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, doc, "{ARCH notproduct}", DEFAULT }, |
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256 #endif |
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257 |
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258 #define SHARK_PRODUCT_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, NOT_PRODUCT_ARG(doc) "{Shark product}", DEFAULT }, |
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259 #define SHARK_PD_PRODUCT_FLAG_STRUCT(type, name, doc) { #type, XSTR(name), &name, NOT_PRODUCT_ARG(doc) "{Shark pd product}", DEFAULT }, |
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260 #define SHARK_DIAGNOSTIC_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, NOT_PRODUCT_ARG(doc) "{Shark diagnostic}", DEFAULT }, |
| 1692 | 261 #ifdef PRODUCT |
| 262 #define SHARK_DEVELOP_FLAG_STRUCT(type, name, value, doc) /* flag is constant */ | |
| 263 #define SHARK_PD_DEVELOP_FLAG_STRUCT(type, name, doc) /* flag is constant */ | |
| 264 #define SHARK_NOTPRODUCT_FLAG_STRUCT(type, name, value, doc) | |
| 265 #else | |
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266 #define SHARK_DEVELOP_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, doc, "{Shark}", DEFAULT }, |
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267 #define SHARK_PD_DEVELOP_FLAG_STRUCT(type, name, doc) { #type, XSTR(name), &name, doc, "{Shark pd}", DEFAULT }, |
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268 #define SHARK_NOTPRODUCT_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, doc, "{Shark notproduct}", DEFAULT }, |
| 1692 | 269 #endif |
| 0 | 270 |
| 271 static Flag flagTable[] = { | |
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272 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 | 273 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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274 #ifndef SERIALGC |
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275 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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276 #endif // SERIALGC |
| 0 | 277 #ifdef COMPILER1 |
| 278 C1_FLAGS(C1_DEVELOP_FLAG_STRUCT, C1_PD_DEVELOP_FLAG_STRUCT, C1_PRODUCT_FLAG_STRUCT, C1_PD_PRODUCT_FLAG_STRUCT, C1_NOTPRODUCT_FLAG_STRUCT) | |
| 279 #endif | |
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280 #ifdef GRAAL |
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281 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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282 #endif |
| 0 | 283 #ifdef COMPILER2 |
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284 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 | 285 #endif |
| 1692 | 286 #ifdef SHARK |
| 287 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) | |
| 288 #endif | |
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289 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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290 FLAGTABLE_EXT |
| 0 | 291 {0, NULL, NULL} |
| 292 }; | |
| 293 | |
| 294 Flag* Flag::flags = flagTable; | |
| 295 size_t Flag::numFlags = (sizeof(flagTable) / sizeof(Flag)); | |
| 296 | |
| 297 inline bool str_equal(const char* s, char* q, size_t len) { | |
| 298 // s is null terminated, q is not! | |
| 299 if (strlen(s) != (unsigned int) len) return false; | |
| 300 return strncmp(s, q, len) == 0; | |
| 301 } | |
| 302 | |
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303 // Search the flag table for a named flag |
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304 Flag* Flag::find_flag(char* name, size_t length, bool allow_locked) { |
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305 for (Flag* current = &flagTable[0]; current->name != NULL; current++) { |
| 0 | 306 if (str_equal(current->name, name, length)) { |
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307 // Found a matching entry. Report locked flags only if allowed. |
| 0 | 308 if (!(current->is_unlocked() || current->is_unlocker())) { |
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309 if (!allow_locked) { |
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310 // disable use of locked flags, e.g. diagnostic, experimental, |
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311 // commercial... until they are explicitly unlocked |
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312 return NULL; |
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313 } |
| 0 | 314 } |
| 315 return current; | |
| 316 } | |
| 317 } | |
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318 // Flag name is not in the flag table |
| 0 | 319 return NULL; |
| 320 } | |
| 321 | |
| 322 // Returns the address of the index'th element | |
| 323 static Flag* address_of_flag(CommandLineFlagWithType flag) { | |
| 324 assert((size_t)flag < Flag::numFlags, "bad command line flag index"); | |
| 325 return &Flag::flags[flag]; | |
| 326 } | |
| 327 | |
| 328 bool CommandLineFlagsEx::is_default(CommandLineFlag flag) { | |
| 329 assert((size_t)flag < Flag::numFlags, "bad command line flag index"); | |
| 330 Flag* f = &Flag::flags[flag]; | |
| 331 return (f->origin == DEFAULT); | |
| 332 } | |
| 333 | |
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334 bool CommandLineFlagsEx::is_ergo(CommandLineFlag flag) { |
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335 assert((size_t)flag < Flag::numFlags, "bad command line flag index"); |
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336 Flag* f = &Flag::flags[flag]; |
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337 return (f->origin == ERGONOMIC); |
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338 } |
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339 |
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340 bool CommandLineFlagsEx::is_cmdline(CommandLineFlag flag) { |
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341 assert((size_t)flag < Flag::numFlags, "bad command line flag index"); |
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342 Flag* f = &Flag::flags[flag]; |
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343 return (f->origin == COMMAND_LINE); |
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344 } |
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345 |
| 0 | 346 bool CommandLineFlags::wasSetOnCmdline(const char* name, bool* value) { |
| 347 Flag* result = Flag::find_flag((char*)name, strlen(name)); | |
| 348 if (result == NULL) return false; | |
| 349 *value = (result->origin == COMMAND_LINE); | |
| 350 return true; | |
| 351 } | |
| 352 | |
| 353 bool CommandLineFlags::boolAt(char* name, size_t len, bool* value) { | |
| 354 Flag* result = Flag::find_flag(name, len); | |
| 355 if (result == NULL) return false; | |
| 356 if (!result->is_bool()) return false; | |
| 357 *value = result->get_bool(); | |
| 358 return true; | |
| 359 } | |
| 360 | |
| 361 bool CommandLineFlags::boolAtPut(char* name, size_t len, bool* value, FlagValueOrigin origin) { | |
| 362 Flag* result = Flag::find_flag(name, len); | |
| 363 if (result == NULL) return false; | |
| 364 if (!result->is_bool()) return false; | |
| 365 bool old_value = result->get_bool(); | |
| 366 result->set_bool(*value); | |
| 367 *value = old_value; | |
| 368 result->origin = origin; | |
| 369 return true; | |
| 370 } | |
| 371 | |
| 372 void CommandLineFlagsEx::boolAtPut(CommandLineFlagWithType flag, bool value, FlagValueOrigin origin) { | |
| 373 Flag* faddr = address_of_flag(flag); | |
| 374 guarantee(faddr != NULL && faddr->is_bool(), "wrong flag type"); | |
| 375 faddr->set_bool(value); | |
| 376 faddr->origin = origin; | |
| 377 } | |
| 378 | |
| 379 bool CommandLineFlags::intxAt(char* name, size_t len, intx* value) { | |
| 380 Flag* result = Flag::find_flag(name, len); | |
| 381 if (result == NULL) return false; | |
| 382 if (!result->is_intx()) return false; | |
| 383 *value = result->get_intx(); | |
| 384 return true; | |
| 385 } | |
| 386 | |
| 387 bool CommandLineFlags::intxAtPut(char* name, size_t len, intx* value, FlagValueOrigin origin) { | |
| 388 Flag* result = Flag::find_flag(name, len); | |
| 389 if (result == NULL) return false; | |
| 390 if (!result->is_intx()) return false; | |
| 391 intx old_value = result->get_intx(); | |
| 392 result->set_intx(*value); | |
| 393 *value = old_value; | |
| 394 result->origin = origin; | |
| 395 return true; | |
| 396 } | |
| 397 | |
| 398 void CommandLineFlagsEx::intxAtPut(CommandLineFlagWithType flag, intx value, FlagValueOrigin origin) { | |
| 399 Flag* faddr = address_of_flag(flag); | |
| 400 guarantee(faddr != NULL && faddr->is_intx(), "wrong flag type"); | |
| 401 faddr->set_intx(value); | |
| 402 faddr->origin = origin; | |
| 403 } | |
| 404 | |
| 405 bool CommandLineFlags::uintxAt(char* name, size_t len, uintx* value) { | |
| 406 Flag* result = Flag::find_flag(name, len); | |
| 407 if (result == NULL) return false; | |
| 408 if (!result->is_uintx()) return false; | |
| 409 *value = result->get_uintx(); | |
| 410 return true; | |
| 411 } | |
| 412 | |
| 413 bool CommandLineFlags::uintxAtPut(char* name, size_t len, uintx* value, FlagValueOrigin origin) { | |
| 414 Flag* result = Flag::find_flag(name, len); | |
| 415 if (result == NULL) return false; | |
| 416 if (!result->is_uintx()) return false; | |
| 417 uintx old_value = result->get_uintx(); | |
| 418 result->set_uintx(*value); | |
| 419 *value = old_value; | |
| 420 result->origin = origin; | |
| 421 return true; | |
| 422 } | |
| 423 | |
| 424 void CommandLineFlagsEx::uintxAtPut(CommandLineFlagWithType flag, uintx value, FlagValueOrigin origin) { | |
| 425 Flag* faddr = address_of_flag(flag); | |
| 426 guarantee(faddr != NULL && faddr->is_uintx(), "wrong flag type"); | |
| 427 faddr->set_uintx(value); | |
| 428 faddr->origin = origin; | |
| 429 } | |
| 430 | |
| 1064 | 431 bool CommandLineFlags::uint64_tAt(char* name, size_t len, uint64_t* value) { |
| 432 Flag* result = Flag::find_flag(name, len); | |
| 433 if (result == NULL) return false; | |
| 434 if (!result->is_uint64_t()) return false; | |
| 435 *value = result->get_uint64_t(); | |
| 436 return true; | |
| 437 } | |
| 438 | |
| 439 bool CommandLineFlags::uint64_tAtPut(char* name, size_t len, uint64_t* value, FlagValueOrigin origin) { | |
| 440 Flag* result = Flag::find_flag(name, len); | |
| 441 if (result == NULL) return false; | |
| 442 if (!result->is_uint64_t()) return false; | |
| 443 uint64_t old_value = result->get_uint64_t(); | |
| 444 result->set_uint64_t(*value); | |
| 445 *value = old_value; | |
| 446 result->origin = origin; | |
| 447 return true; | |
| 448 } | |
| 449 | |
| 450 void CommandLineFlagsEx::uint64_tAtPut(CommandLineFlagWithType flag, uint64_t value, FlagValueOrigin origin) { | |
| 451 Flag* faddr = address_of_flag(flag); | |
| 452 guarantee(faddr != NULL && faddr->is_uint64_t(), "wrong flag type"); | |
| 453 faddr->set_uint64_t(value); | |
| 454 faddr->origin = origin; | |
| 455 } | |
| 456 | |
| 0 | 457 bool CommandLineFlags::doubleAt(char* name, size_t len, double* value) { |
| 458 Flag* result = Flag::find_flag(name, len); | |
| 459 if (result == NULL) return false; | |
| 460 if (!result->is_double()) return false; | |
| 461 *value = result->get_double(); | |
| 462 return true; | |
| 463 } | |
| 464 | |
| 465 bool CommandLineFlags::doubleAtPut(char* name, size_t len, double* value, FlagValueOrigin origin) { | |
| 466 Flag* result = Flag::find_flag(name, len); | |
| 467 if (result == NULL) return false; | |
| 468 if (!result->is_double()) return false; | |
| 469 double old_value = result->get_double(); | |
| 470 result->set_double(*value); | |
| 471 *value = old_value; | |
| 472 result->origin = origin; | |
| 473 return true; | |
| 474 } | |
| 475 | |
| 476 void CommandLineFlagsEx::doubleAtPut(CommandLineFlagWithType flag, double value, FlagValueOrigin origin) { | |
| 477 Flag* faddr = address_of_flag(flag); | |
| 478 guarantee(faddr != NULL && faddr->is_double(), "wrong flag type"); | |
| 479 faddr->set_double(value); | |
| 480 faddr->origin = origin; | |
| 481 } | |
| 482 | |
| 483 bool CommandLineFlags::ccstrAt(char* name, size_t len, ccstr* value) { | |
| 484 Flag* result = Flag::find_flag(name, len); | |
| 485 if (result == NULL) return false; | |
| 486 if (!result->is_ccstr()) return false; | |
| 487 *value = result->get_ccstr(); | |
| 488 return true; | |
| 489 } | |
| 490 | |
| 491 // Contract: Flag will make private copy of the incoming value. | |
| 492 // Outgoing value is always malloc-ed, and caller MUST call free. | |
| 493 bool CommandLineFlags::ccstrAtPut(char* name, size_t len, ccstr* value, FlagValueOrigin origin) { | |
| 494 Flag* result = Flag::find_flag(name, len); | |
| 495 if (result == NULL) return false; | |
| 496 if (!result->is_ccstr()) return false; | |
| 497 ccstr old_value = result->get_ccstr(); | |
|
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498 char* new_value = NULL; |
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499 if (*value != NULL) { |
| 6197 | 500 new_value = NEW_C_HEAP_ARRAY(char, strlen(*value)+1, mtInternal); |
|
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501 strcpy(new_value, *value); |
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502 } |
| 0 | 503 result->set_ccstr(new_value); |
| 504 if (result->origin == DEFAULT && old_value != NULL) { | |
| 505 // Prior value is NOT heap allocated, but was a literal constant. | |
| 6197 | 506 char* old_value_to_free = NEW_C_HEAP_ARRAY(char, strlen(old_value)+1, mtInternal); |
| 0 | 507 strcpy(old_value_to_free, old_value); |
| 508 old_value = old_value_to_free; | |
| 509 } | |
| 510 *value = old_value; | |
| 511 result->origin = origin; | |
| 512 return true; | |
| 513 } | |
| 514 | |
| 515 // Contract: Flag will make private copy of the incoming value. | |
| 516 void CommandLineFlagsEx::ccstrAtPut(CommandLineFlagWithType flag, ccstr value, FlagValueOrigin origin) { | |
| 517 Flag* faddr = address_of_flag(flag); | |
| 518 guarantee(faddr != NULL && faddr->is_ccstr(), "wrong flag type"); | |
| 519 ccstr old_value = faddr->get_ccstr(); | |
| 6197 | 520 char* new_value = NEW_C_HEAP_ARRAY(char, strlen(value)+1, mtInternal); |
| 0 | 521 strcpy(new_value, value); |
| 522 faddr->set_ccstr(new_value); | |
| 523 if (faddr->origin != DEFAULT && old_value != NULL) { | |
| 524 // Prior value is heap allocated so free it. | |
| 6197 | 525 FREE_C_HEAP_ARRAY(char, old_value, mtInternal); |
| 0 | 526 } |
| 527 faddr->origin = origin; | |
| 528 } | |
| 529 | |
| 530 extern "C" { | |
| 531 static int compare_flags(const void* void_a, const void* void_b) { | |
| 532 return strcmp((*((Flag**) void_a))->name, (*((Flag**) void_b))->name); | |
| 533 } | |
| 534 } | |
| 535 | |
| 4773 | 536 void CommandLineFlags::printSetFlags(outputStream* out) { |
| 0 | 537 // Print which flags were set on the command line |
| 538 // note: this method is called before the thread structure is in place | |
| 539 // which means resource allocation cannot be used. | |
| 540 | |
| 541 // Compute size | |
| 542 int length= 0; | |
| 543 while (flagTable[length].name != NULL) length++; | |
| 544 | |
| 545 // Sort | |
| 6197 | 546 Flag** array = NEW_C_HEAP_ARRAY(Flag*, length, mtInternal); |
| 0 | 547 for (int index = 0; index < length; index++) { |
| 548 array[index] = &flagTable[index]; | |
| 549 } | |
| 550 qsort(array, length, sizeof(Flag*), compare_flags); | |
| 551 | |
| 552 // Print | |
| 553 for (int i = 0; i < length; i++) { | |
| 554 if (array[i]->origin /* naked field! */) { | |
| 4773 | 555 array[i]->print_as_flag(out); |
| 556 out->print(" "); | |
| 0 | 557 } |
| 558 } | |
| 4773 | 559 out->cr(); |
| 6197 | 560 FREE_C_HEAP_ARRAY(Flag*, array, mtInternal); |
| 0 | 561 } |
| 562 | |
| 563 #ifndef PRODUCT | |
| 564 | |
| 565 | |
| 566 void CommandLineFlags::verify() { | |
| 567 assert(Arguments::check_vm_args_consistency(), "Some flag settings conflict"); | |
| 568 } | |
| 569 | |
| 1150 | 570 #endif // PRODUCT |
| 571 | |
| 4773 | 572 void CommandLineFlags::printFlags(outputStream* out, bool withComments) { |
| 0 | 573 // Print the flags sorted by name |
| 574 // note: this method is called before the thread structure is in place | |
| 575 // which means resource allocation cannot be used. | |
| 576 | |
| 577 // Compute size | |
| 578 int length= 0; | |
| 579 while (flagTable[length].name != NULL) length++; | |
| 580 | |
| 581 // Sort | |
| 6197 | 582 Flag** array = NEW_C_HEAP_ARRAY(Flag*, length, mtInternal); |
| 0 | 583 for (int index = 0; index < length; index++) { |
| 584 array[index] = &flagTable[index]; | |
| 585 } | |
| 586 qsort(array, length, sizeof(Flag*), compare_flags); | |
| 587 | |
| 588 // Print | |
| 4773 | 589 out->print_cr("[Global flags]"); |
| 0 | 590 for (int i = 0; i < length; i++) { |
| 591 if (array[i]->is_unlocked()) { | |
| 4773 | 592 array[i]->print_on(out, withComments); |
| 0 | 593 } |
| 594 } | |
| 6197 | 595 FREE_C_HEAP_ARRAY(Flag*, array, mtInternal); |
| 0 | 596 } |