Thu, 23 Jan 2014 08:12:12 +0100
8032250: Add trace event for VM flag changes
Reviewed-by: coleenp, ehelin, egahlin, mgronlun
duke@435 | 1 | /* |
kmo@4586 | 2 | * Copyright (c) 1997, 2013, Oracle and/or its affiliates. All rights reserved. |
duke@435 | 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
duke@435 | 4 | * |
duke@435 | 5 | * This code is free software; you can redistribute it and/or modify it |
duke@435 | 6 | * under the terms of the GNU General Public License version 2 only, as |
duke@435 | 7 | * published by the Free Software Foundation. |
duke@435 | 8 | * |
duke@435 | 9 | * This code is distributed in the hope that it will be useful, but WITHOUT |
duke@435 | 10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
duke@435 | 11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
duke@435 | 12 | * version 2 for more details (a copy is included in the LICENSE file that |
duke@435 | 13 | * accompanied this code). |
duke@435 | 14 | * |
duke@435 | 15 | * You should have received a copy of the GNU General Public License version |
duke@435 | 16 | * 2 along with this work; if not, write to the Free Software Foundation, |
duke@435 | 17 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
duke@435 | 18 | * |
trims@1907 | 19 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
trims@1907 | 20 | * or visit www.oracle.com if you need additional information or have any |
trims@1907 | 21 | * questions. |
duke@435 | 22 | * |
duke@435 | 23 | */ |
duke@435 | 24 | |
stefank@2314 | 25 | #include "precompiled.hpp" |
stefank@2314 | 26 | #include "memory/allocation.inline.hpp" |
stefank@2314 | 27 | #include "oops/oop.inline.hpp" |
stefank@2314 | 28 | #include "runtime/arguments.hpp" |
stefank@2314 | 29 | #include "runtime/globals.hpp" |
stefank@2314 | 30 | #include "runtime/globals_extension.hpp" |
stefank@2314 | 31 | #include "utilities/ostream.hpp" |
jprovino@4542 | 32 | #include "utilities/macros.hpp" |
stefank@2314 | 33 | #include "utilities/top.hpp" |
sla@6333 | 34 | #include "trace/tracing.hpp" |
jprovino@4542 | 35 | #if INCLUDE_ALL_GCS |
stefank@2314 | 36 | #include "gc_implementation/g1/g1_globals.hpp" |
jprovino@4542 | 37 | #endif // INCLUDE_ALL_GCS |
stefank@2314 | 38 | #ifdef COMPILER1 |
stefank@2314 | 39 | #include "c1/c1_globals.hpp" |
stefank@2314 | 40 | #endif |
stefank@2314 | 41 | #ifdef COMPILER2 |
stefank@2314 | 42 | #include "opto/c2_globals.hpp" |
stefank@2314 | 43 | #endif |
stefank@2314 | 44 | #ifdef SHARK |
stefank@2314 | 45 | #include "shark/shark_globals.hpp" |
stefank@2314 | 46 | #endif |
duke@435 | 47 | |
duke@435 | 48 | RUNTIME_FLAGS(MATERIALIZE_DEVELOPER_FLAG, MATERIALIZE_PD_DEVELOPER_FLAG, \ |
duke@435 | 49 | MATERIALIZE_PRODUCT_FLAG, MATERIALIZE_PD_PRODUCT_FLAG, \ |
phh@3287 | 50 | MATERIALIZE_DIAGNOSTIC_FLAG, MATERIALIZE_EXPERIMENTAL_FLAG, \ |
phh@3287 | 51 | MATERIALIZE_NOTPRODUCT_FLAG, \ |
coleenp@548 | 52 | MATERIALIZE_MANAGEABLE_FLAG, MATERIALIZE_PRODUCT_RW_FLAG, \ |
coleenp@548 | 53 | MATERIALIZE_LP64_PRODUCT_FLAG) |
duke@435 | 54 | |
duke@435 | 55 | RUNTIME_OS_FLAGS(MATERIALIZE_DEVELOPER_FLAG, MATERIALIZE_PD_DEVELOPER_FLAG, \ |
duke@435 | 56 | MATERIALIZE_PRODUCT_FLAG, MATERIALIZE_PD_PRODUCT_FLAG, \ |
duke@435 | 57 | MATERIALIZE_DIAGNOSTIC_FLAG, MATERIALIZE_NOTPRODUCT_FLAG) |
duke@435 | 58 | |
twisti@4020 | 59 | ARCH_FLAGS(MATERIALIZE_DEVELOPER_FLAG, MATERIALIZE_PRODUCT_FLAG, \ |
twisti@4020 | 60 | MATERIALIZE_DIAGNOSTIC_FLAG, MATERIALIZE_EXPERIMENTAL_FLAG, \ |
twisti@4020 | 61 | MATERIALIZE_NOTPRODUCT_FLAG) |
twisti@4020 | 62 | |
phh@3303 | 63 | MATERIALIZE_FLAGS_EXT |
phh@3303 | 64 | |
phh@3303 | 65 | |
ccheung@6309 | 66 | static bool is_product_build() { |
ccheung@6309 | 67 | #ifdef PRODUCT |
ccheung@6309 | 68 | return true; |
ccheung@6309 | 69 | #else |
ccheung@6309 | 70 | return false; |
ccheung@6309 | 71 | #endif |
ccheung@6309 | 72 | } |
ccheung@6309 | 73 | |
twisti@5790 | 74 | void Flag::check_writable() { |
twisti@5790 | 75 | if (is_constant_in_binary()) { |
twisti@5790 | 76 | fatal(err_msg("flag is constant: %s", _name)); |
twisti@5790 | 77 | } |
twisti@5790 | 78 | } |
twisti@5790 | 79 | |
twisti@5790 | 80 | bool Flag::is_bool() const { |
twisti@5790 | 81 | return strcmp(_type, "bool") == 0; |
twisti@5790 | 82 | } |
twisti@5790 | 83 | |
twisti@5790 | 84 | bool Flag::get_bool() const { |
twisti@5790 | 85 | return *((bool*) _addr); |
twisti@5790 | 86 | } |
twisti@5790 | 87 | |
twisti@5790 | 88 | void Flag::set_bool(bool value) { |
twisti@5790 | 89 | check_writable(); |
twisti@5790 | 90 | *((bool*) _addr) = value; |
twisti@5790 | 91 | } |
twisti@5790 | 92 | |
twisti@5790 | 93 | bool Flag::is_intx() const { |
twisti@5790 | 94 | return strcmp(_type, "intx") == 0; |
twisti@5790 | 95 | } |
twisti@5790 | 96 | |
twisti@5790 | 97 | intx Flag::get_intx() const { |
twisti@5790 | 98 | return *((intx*) _addr); |
twisti@5790 | 99 | } |
twisti@5790 | 100 | |
twisti@5790 | 101 | void Flag::set_intx(intx value) { |
twisti@5790 | 102 | check_writable(); |
twisti@5790 | 103 | *((intx*) _addr) = value; |
twisti@5790 | 104 | } |
twisti@5790 | 105 | |
twisti@5790 | 106 | bool Flag::is_uintx() const { |
twisti@5790 | 107 | return strcmp(_type, "uintx") == 0; |
twisti@5790 | 108 | } |
twisti@5790 | 109 | |
twisti@5790 | 110 | uintx Flag::get_uintx() const { |
twisti@5790 | 111 | return *((uintx*) _addr); |
twisti@5790 | 112 | } |
twisti@5790 | 113 | |
twisti@5790 | 114 | void Flag::set_uintx(uintx value) { |
twisti@5790 | 115 | check_writable(); |
twisti@5790 | 116 | *((uintx*) _addr) = value; |
twisti@5790 | 117 | } |
twisti@5790 | 118 | |
twisti@5790 | 119 | bool Flag::is_uint64_t() const { |
twisti@5790 | 120 | return strcmp(_type, "uint64_t") == 0; |
twisti@5790 | 121 | } |
twisti@5790 | 122 | |
twisti@5790 | 123 | uint64_t Flag::get_uint64_t() const { |
twisti@5790 | 124 | return *((uint64_t*) _addr); |
twisti@5790 | 125 | } |
twisti@5790 | 126 | |
twisti@5790 | 127 | void Flag::set_uint64_t(uint64_t value) { |
twisti@5790 | 128 | check_writable(); |
twisti@5790 | 129 | *((uint64_t*) _addr) = value; |
twisti@5790 | 130 | } |
twisti@5790 | 131 | |
twisti@5790 | 132 | bool Flag::is_double() const { |
twisti@5790 | 133 | return strcmp(_type, "double") == 0; |
twisti@5790 | 134 | } |
twisti@5790 | 135 | |
twisti@5790 | 136 | double Flag::get_double() const { |
twisti@5790 | 137 | return *((double*) _addr); |
twisti@5790 | 138 | } |
twisti@5790 | 139 | |
twisti@5790 | 140 | void Flag::set_double(double value) { |
twisti@5790 | 141 | check_writable(); |
twisti@5790 | 142 | *((double*) _addr) = value; |
twisti@5790 | 143 | } |
twisti@5790 | 144 | |
twisti@5790 | 145 | bool Flag::is_ccstr() const { |
twisti@5790 | 146 | return strcmp(_type, "ccstr") == 0 || strcmp(_type, "ccstrlist") == 0; |
twisti@5790 | 147 | } |
twisti@5790 | 148 | |
twisti@5790 | 149 | bool Flag::ccstr_accumulates() const { |
twisti@5790 | 150 | return strcmp(_type, "ccstrlist") == 0; |
twisti@5790 | 151 | } |
twisti@5790 | 152 | |
twisti@5790 | 153 | ccstr Flag::get_ccstr() const { |
twisti@5790 | 154 | return *((ccstr*) _addr); |
twisti@5790 | 155 | } |
twisti@5790 | 156 | |
twisti@5790 | 157 | void Flag::set_ccstr(ccstr value) { |
twisti@5790 | 158 | check_writable(); |
twisti@5790 | 159 | *((ccstr*) _addr) = value; |
twisti@5790 | 160 | } |
twisti@5790 | 161 | |
twisti@5790 | 162 | |
twisti@5790 | 163 | Flag::Flags Flag::get_origin() { |
twisti@5790 | 164 | return Flags(_flags & VALUE_ORIGIN_MASK); |
twisti@5790 | 165 | } |
twisti@5790 | 166 | |
twisti@5790 | 167 | void Flag::set_origin(Flags origin) { |
twisti@5790 | 168 | assert((origin & VALUE_ORIGIN_MASK) == origin, "sanity"); |
twisti@5790 | 169 | _flags = Flags((_flags & ~VALUE_ORIGIN_MASK) | origin); |
twisti@5790 | 170 | } |
twisti@5790 | 171 | |
twisti@5790 | 172 | bool Flag::is_default() { |
twisti@5790 | 173 | return (get_origin() == DEFAULT); |
twisti@5790 | 174 | } |
twisti@5790 | 175 | |
twisti@5790 | 176 | bool Flag::is_ergonomic() { |
twisti@5790 | 177 | return (get_origin() == ERGONOMIC); |
twisti@5790 | 178 | } |
twisti@5790 | 179 | |
twisti@5790 | 180 | bool Flag::is_command_line() { |
twisti@5790 | 181 | return (get_origin() == COMMAND_LINE); |
twisti@5790 | 182 | } |
twisti@5790 | 183 | |
twisti@5790 | 184 | bool Flag::is_product() const { |
twisti@5790 | 185 | return (_flags & KIND_PRODUCT) != 0; |
twisti@5790 | 186 | } |
twisti@5790 | 187 | |
twisti@5790 | 188 | bool Flag::is_manageable() const { |
twisti@5790 | 189 | return (_flags & KIND_MANAGEABLE) != 0; |
twisti@5790 | 190 | } |
twisti@5790 | 191 | |
twisti@5790 | 192 | bool Flag::is_diagnostic() const { |
twisti@5790 | 193 | return (_flags & KIND_DIAGNOSTIC) != 0; |
twisti@5790 | 194 | } |
twisti@5790 | 195 | |
twisti@5790 | 196 | bool Flag::is_experimental() const { |
twisti@5790 | 197 | return (_flags & KIND_EXPERIMENTAL) != 0; |
twisti@5790 | 198 | } |
twisti@5790 | 199 | |
twisti@5790 | 200 | bool Flag::is_notproduct() const { |
twisti@5790 | 201 | return (_flags & KIND_NOT_PRODUCT) != 0; |
twisti@5790 | 202 | } |
twisti@5790 | 203 | |
twisti@5790 | 204 | bool Flag::is_develop() const { |
twisti@5790 | 205 | return (_flags & KIND_DEVELOP) != 0; |
twisti@5790 | 206 | } |
twisti@5790 | 207 | |
twisti@5790 | 208 | bool Flag::is_read_write() const { |
twisti@5790 | 209 | return (_flags & KIND_READ_WRITE) != 0; |
twisti@5790 | 210 | } |
twisti@5790 | 211 | |
twisti@5790 | 212 | bool Flag::is_commercial() const { |
twisti@5790 | 213 | return (_flags & KIND_COMMERCIAL) != 0; |
twisti@5790 | 214 | } |
twisti@5790 | 215 | |
twisti@5790 | 216 | /** |
twisti@5790 | 217 | * Returns if this flag is a constant in the binary. Right now this is |
twisti@5790 | 218 | * true for notproduct and develop flags in product builds. |
twisti@5790 | 219 | */ |
twisti@5790 | 220 | bool Flag::is_constant_in_binary() const { |
twisti@5790 | 221 | #ifdef PRODUCT |
twisti@5790 | 222 | return is_notproduct() || is_develop(); |
twisti@5790 | 223 | #else |
twisti@5790 | 224 | return false; |
twisti@5790 | 225 | #endif |
twisti@5790 | 226 | } |
twisti@5790 | 227 | |
duke@435 | 228 | bool Flag::is_unlocker() const { |
twisti@5790 | 229 | return strcmp(_name, "UnlockDiagnosticVMOptions") == 0 || |
twisti@5790 | 230 | strcmp(_name, "UnlockExperimentalVMOptions") == 0 || |
phh@3303 | 231 | is_unlocker_ext(); |
duke@435 | 232 | } |
duke@435 | 233 | |
duke@435 | 234 | bool Flag::is_unlocked() const { |
twisti@5790 | 235 | if (is_diagnostic()) { |
duke@435 | 236 | return UnlockDiagnosticVMOptions; |
twisti@5790 | 237 | } |
twisti@5790 | 238 | if (is_experimental()) { |
ysr@785 | 239 | return UnlockExperimentalVMOptions; |
duke@435 | 240 | } |
twisti@5790 | 241 | return is_unlocked_ext(); |
duke@435 | 242 | } |
duke@435 | 243 | |
jmelvin@3650 | 244 | // Get custom message for this locked flag, or return NULL if |
jmelvin@3650 | 245 | // none is available. |
jmelvin@3650 | 246 | void Flag::get_locked_message(char* buf, int buflen) const { |
ccheung@6309 | 247 | buf[0] = '\0'; |
ccheung@6309 | 248 | if (is_diagnostic() && !is_unlocked()) { |
ccheung@6309 | 249 | jio_snprintf(buf, buflen, "Error: VM option '%s' is diagnostic and must be enabled via -XX:+UnlockDiagnosticVMOptions.\n", |
ccheung@6309 | 250 | _name); |
ccheung@6309 | 251 | return; |
ccheung@6309 | 252 | } |
ccheung@6309 | 253 | if (is_experimental() && !is_unlocked()) { |
ccheung@6309 | 254 | jio_snprintf(buf, buflen, "Error: VM option '%s' is experimental and must be enabled via -XX:+UnlockExperimentalVMOptions.\n", |
ccheung@6309 | 255 | _name); |
ccheung@6309 | 256 | return; |
ccheung@6309 | 257 | } |
ccheung@6309 | 258 | if (is_develop() && is_product_build()) { |
ccheung@6309 | 259 | jio_snprintf(buf, buflen, "Error: VM option '%s' is develop and is available only in debug version of VM.\n", |
ccheung@6309 | 260 | _name); |
ccheung@6309 | 261 | return; |
ccheung@6309 | 262 | } |
ccheung@6309 | 263 | if (is_notproduct() && is_product_build()) { |
ccheung@6309 | 264 | jio_snprintf(buf, buflen, "Error: VM option '%s' is notproduct and is available only in debug version of VM.\n", |
ccheung@6309 | 265 | _name); |
ccheung@6309 | 266 | return; |
ccheung@6309 | 267 | } |
jmelvin@3650 | 268 | get_locked_message_ext(buf, buflen); |
jmelvin@3650 | 269 | } |
jmelvin@3650 | 270 | |
duke@435 | 271 | bool Flag::is_writeable() const { |
twisti@5790 | 272 | return is_manageable() || (is_product() && is_read_write()) || is_writeable_ext(); |
duke@435 | 273 | } |
duke@435 | 274 | |
phh@3342 | 275 | // All flags except "manageable" are assumed to be internal flags. |
duke@435 | 276 | // Long term, we need to define a mechanism to specify which flags |
duke@435 | 277 | // are external/stable and change this function accordingly. |
duke@435 | 278 | bool Flag::is_external() const { |
twisti@5790 | 279 | return is_manageable() || is_external_ext(); |
duke@435 | 280 | } |
duke@435 | 281 | |
phh@3342 | 282 | |
duke@435 | 283 | // Length of format string (e.g. "%.1234s") for printing ccstr below |
duke@435 | 284 | #define FORMAT_BUFFER_LEN 16 |
duke@435 | 285 | |
ikrylov@2123 | 286 | void Flag::print_on(outputStream* st, bool withComments) { |
twisti@5790 | 287 | // Don't print notproduct and develop flags in a product build. |
twisti@5790 | 288 | if (is_constant_in_binary()) { |
twisti@5790 | 289 | return; |
twisti@5790 | 290 | } |
ikrylov@2123 | 291 | |
twisti@5790 | 292 | st->print("%9s %-40s %c= ", _type, _name, (!is_default() ? ':' : ' ')); |
twisti@5790 | 293 | |
twisti@5790 | 294 | if (is_bool()) { |
twisti@5790 | 295 | st->print("%-16s", get_bool() ? "true" : "false"); |
twisti@5790 | 296 | } |
twisti@5790 | 297 | if (is_intx()) { |
twisti@5790 | 298 | st->print("%-16ld", get_intx()); |
twisti@5790 | 299 | } |
twisti@5790 | 300 | if (is_uintx()) { |
twisti@5790 | 301 | st->print("%-16lu", get_uintx()); |
twisti@5790 | 302 | } |
twisti@5790 | 303 | if (is_uint64_t()) { |
twisti@5790 | 304 | st->print("%-16lu", get_uint64_t()); |
twisti@5790 | 305 | } |
twisti@5790 | 306 | if (is_double()) { |
twisti@5790 | 307 | st->print("%-16f", get_double()); |
twisti@5790 | 308 | } |
duke@435 | 309 | if (is_ccstr()) { |
twisti@5790 | 310 | const char* cp = get_ccstr(); |
twisti@5790 | 311 | if (cp != NULL) { |
twisti@5790 | 312 | const char* eol; |
twisti@5790 | 313 | while ((eol = strchr(cp, '\n')) != NULL) { |
twisti@5790 | 314 | char format_buffer[FORMAT_BUFFER_LEN]; |
twisti@5790 | 315 | size_t llen = pointer_delta(eol, cp, sizeof(char)); |
twisti@5790 | 316 | jio_snprintf(format_buffer, FORMAT_BUFFER_LEN, |
twisti@5790 | 317 | "%%." SIZE_FORMAT "s", llen); |
twisti@5790 | 318 | st->print(format_buffer, cp); |
twisti@5790 | 319 | st->cr(); |
twisti@5790 | 320 | cp = eol+1; |
twisti@5790 | 321 | st->print("%5s %-35s += ", "", _name); |
twisti@5790 | 322 | } |
twisti@5790 | 323 | st->print("%-16s", cp); |
twisti@5790 | 324 | } |
twisti@5790 | 325 | else st->print("%-16s", ""); |
duke@435 | 326 | } |
twisti@5790 | 327 | |
twisti@5790 | 328 | st->print("%-20"); |
twisti@5790 | 329 | print_kind(st); |
twisti@5790 | 330 | |
ikrylov@2123 | 331 | if (withComments) { |
ikrylov@2123 | 332 | #ifndef PRODUCT |
twisti@5790 | 333 | st->print("%s", _doc); |
ikrylov@2123 | 334 | #endif |
ikrylov@2123 | 335 | } |
duke@435 | 336 | st->cr(); |
duke@435 | 337 | } |
duke@435 | 338 | |
twisti@5790 | 339 | void Flag::print_kind(outputStream* st) { |
twisti@5790 | 340 | struct Data { |
twisti@5790 | 341 | int flag; |
twisti@5790 | 342 | const char* name; |
twisti@5790 | 343 | }; |
twisti@5790 | 344 | |
twisti@5790 | 345 | Data data[] = { |
twisti@5790 | 346 | { KIND_C1, "C1" }, |
twisti@5790 | 347 | { KIND_C2, "C2" }, |
twisti@5790 | 348 | { KIND_ARCH, "ARCH" }, |
twisti@5790 | 349 | { KIND_SHARK, "SHARK" }, |
twisti@5790 | 350 | { KIND_PLATFORM_DEPENDENT, "pd" }, |
twisti@5790 | 351 | { KIND_PRODUCT, "product" }, |
twisti@5790 | 352 | { KIND_MANAGEABLE, "manageable" }, |
twisti@5790 | 353 | { KIND_DIAGNOSTIC, "diagnostic" }, |
sgabdura@6123 | 354 | { KIND_EXPERIMENTAL, "experimental" }, |
sgabdura@6123 | 355 | { KIND_COMMERCIAL, "commercial" }, |
twisti@5790 | 356 | { KIND_NOT_PRODUCT, "notproduct" }, |
twisti@5790 | 357 | { KIND_DEVELOP, "develop" }, |
twisti@5790 | 358 | { KIND_LP64_PRODUCT, "lp64_product" }, |
twisti@5790 | 359 | { KIND_READ_WRITE, "rw" }, |
twisti@5790 | 360 | { -1, "" } |
twisti@5790 | 361 | }; |
twisti@5790 | 362 | |
twisti@5790 | 363 | if ((_flags & KIND_MASK) != 0) { |
twisti@5790 | 364 | st->print("{"); |
twisti@5790 | 365 | bool is_first = true; |
twisti@5790 | 366 | |
twisti@5790 | 367 | for (int i = 0; data[i].flag != -1; i++) { |
twisti@5790 | 368 | Data d = data[i]; |
twisti@5790 | 369 | if ((_flags & d.flag) != 0) { |
twisti@5790 | 370 | if (is_first) { |
twisti@5790 | 371 | is_first = false; |
twisti@5790 | 372 | } else { |
twisti@5790 | 373 | st->print(" "); |
twisti@5790 | 374 | } |
twisti@5790 | 375 | st->print(d.name); |
twisti@5790 | 376 | } |
twisti@5790 | 377 | } |
twisti@5790 | 378 | |
twisti@5790 | 379 | st->print("}"); |
twisti@5790 | 380 | } |
twisti@5790 | 381 | } |
twisti@5790 | 382 | |
duke@435 | 383 | void Flag::print_as_flag(outputStream* st) { |
duke@435 | 384 | if (is_bool()) { |
twisti@5790 | 385 | st->print("-XX:%s%s", get_bool() ? "+" : "-", _name); |
duke@435 | 386 | } else if (is_intx()) { |
twisti@5790 | 387 | st->print("-XX:%s=" INTX_FORMAT, _name, get_intx()); |
duke@435 | 388 | } else if (is_uintx()) { |
twisti@5790 | 389 | st->print("-XX:%s=" UINTX_FORMAT, _name, get_uintx()); |
phh@1502 | 390 | } else if (is_uint64_t()) { |
twisti@5790 | 391 | st->print("-XX:%s=" UINT64_FORMAT, _name, get_uint64_t()); |
brutisso@3752 | 392 | } else if (is_double()) { |
twisti@5790 | 393 | st->print("-XX:%s=%f", _name, get_double()); |
duke@435 | 394 | } else if (is_ccstr()) { |
twisti@5790 | 395 | st->print("-XX:%s=", _name); |
never@538 | 396 | const char* cp = get_ccstr(); |
never@538 | 397 | if (cp != NULL) { |
never@538 | 398 | // Need to turn embedded '\n's back into separate arguments |
never@538 | 399 | // Not so efficient to print one character at a time, |
never@538 | 400 | // but the choice is to do the transformation to a buffer |
never@538 | 401 | // and print that. And this need not be efficient. |
never@538 | 402 | for (; *cp != '\0'; cp += 1) { |
never@538 | 403 | switch (*cp) { |
never@538 | 404 | default: |
never@538 | 405 | st->print("%c", *cp); |
never@538 | 406 | break; |
never@538 | 407 | case '\n': |
twisti@5790 | 408 | st->print(" -XX:%s=", _name); |
never@538 | 409 | break; |
never@538 | 410 | } |
duke@435 | 411 | } |
duke@435 | 412 | } |
duke@435 | 413 | } else { |
duke@435 | 414 | ShouldNotReachHere(); |
duke@435 | 415 | } |
duke@435 | 416 | } |
duke@435 | 417 | |
duke@435 | 418 | // 4991491 do not "optimize out" the was_set false values: omitting them |
duke@435 | 419 | // tickles a Microsoft compiler bug causing flagTable to be malformed |
duke@435 | 420 | |
twisti@5790 | 421 | #define NAME(name) NOT_PRODUCT(&name) PRODUCT_ONLY(&CONST_##name) |
duke@435 | 422 | |
twisti@5790 | 423 | #define RUNTIME_PRODUCT_FLAG_STRUCT( type, name, value, doc) { #type, XSTR(name), &name, NOT_PRODUCT_ARG(doc) Flag::Flags(Flag::DEFAULT | Flag::KIND_PRODUCT) }, |
twisti@5790 | 424 | #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) }, |
twisti@5790 | 425 | #define RUNTIME_DIAGNOSTIC_FLAG_STRUCT( type, name, value, doc) { #type, XSTR(name), &name, NOT_PRODUCT_ARG(doc) Flag::Flags(Flag::DEFAULT | Flag::KIND_DIAGNOSTIC) }, |
twisti@5790 | 426 | #define RUNTIME_EXPERIMENTAL_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, NOT_PRODUCT_ARG(doc) Flag::Flags(Flag::DEFAULT | Flag::KIND_EXPERIMENTAL) }, |
twisti@5790 | 427 | #define RUNTIME_MANAGEABLE_FLAG_STRUCT( type, name, value, doc) { #type, XSTR(name), &name, NOT_PRODUCT_ARG(doc) Flag::Flags(Flag::DEFAULT | Flag::KIND_MANAGEABLE) }, |
twisti@5790 | 428 | #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) }, |
twisti@5790 | 429 | #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) }, |
twisti@5790 | 430 | #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) }, |
twisti@5790 | 431 | #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) }, |
duke@435 | 432 | |
coleenp@548 | 433 | #ifdef _LP64 |
twisti@5790 | 434 | #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) }, |
coleenp@548 | 435 | #else |
twisti@5790 | 436 | #define RUNTIME_LP64_PRODUCT_FLAG_STRUCT(type, name, value, doc) /* flag is constant */ |
coleenp@548 | 437 | #endif // _LP64 |
coleenp@548 | 438 | |
twisti@5790 | 439 | #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) }, |
twisti@5790 | 440 | #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) }, |
twisti@5790 | 441 | #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) }, |
twisti@5790 | 442 | #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) }, |
twisti@5790 | 443 | #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) }, |
twisti@5790 | 444 | #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) }, |
duke@435 | 445 | |
twisti@5790 | 446 | #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) }, |
twisti@5790 | 447 | #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) }, |
twisti@5790 | 448 | #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) }, |
twisti@5790 | 449 | #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) }, |
twisti@5790 | 450 | #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) }, |
twisti@5790 | 451 | #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) }, |
twisti@5790 | 452 | #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) }, |
duke@435 | 453 | |
twisti@5790 | 454 | #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) }, |
twisti@5790 | 455 | #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) }, |
twisti@5790 | 456 | #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) }, |
twisti@5790 | 457 | #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) }, |
twisti@5790 | 458 | #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) }, |
twisti@4020 | 459 | |
twisti@5790 | 460 | #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) }, |
twisti@5790 | 461 | #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) }, |
twisti@5790 | 462 | #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) }, |
twisti@5790 | 463 | #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) }, |
twisti@5790 | 464 | #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) }, |
twisti@5790 | 465 | #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) }, |
duke@435 | 466 | |
duke@435 | 467 | static Flag flagTable[] = { |
phh@3287 | 468 | 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) |
duke@435 | 469 | 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) |
jprovino@4542 | 470 | #if INCLUDE_ALL_GCS |
ysr@785 | 471 | 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) |
jprovino@4542 | 472 | #endif // INCLUDE_ALL_GCS |
duke@435 | 473 | #ifdef COMPILER1 |
roland@5628 | 474 | 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) |
duke@435 | 475 | #endif |
duke@435 | 476 | #ifdef COMPILER2 |
never@1515 | 477 | 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) |
duke@435 | 478 | #endif |
twisti@2047 | 479 | #ifdef SHARK |
twisti@2047 | 480 | 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) |
twisti@2047 | 481 | #endif |
twisti@4020 | 482 | ARCH_FLAGS(ARCH_DEVELOP_FLAG_STRUCT, ARCH_PRODUCT_FLAG_STRUCT, ARCH_DIAGNOSTIC_FLAG_STRUCT, ARCH_EXPERIMENTAL_FLAG_STRUCT, ARCH_NOTPRODUCT_FLAG_STRUCT) |
phh@3303 | 483 | FLAGTABLE_EXT |
duke@435 | 484 | {0, NULL, NULL} |
duke@435 | 485 | }; |
duke@435 | 486 | |
duke@435 | 487 | Flag* Flag::flags = flagTable; |
duke@435 | 488 | size_t Flag::numFlags = (sizeof(flagTable) / sizeof(Flag)); |
duke@435 | 489 | |
tamao@5343 | 490 | inline bool str_equal(const char* s, const char* q, size_t len) { |
duke@435 | 491 | // s is null terminated, q is not! |
duke@435 | 492 | if (strlen(s) != (unsigned int) len) return false; |
duke@435 | 493 | return strncmp(s, q, len) == 0; |
duke@435 | 494 | } |
duke@435 | 495 | |
jmelvin@3650 | 496 | // Search the flag table for a named flag |
ccheung@6309 | 497 | Flag* Flag::find_flag(const char* name, size_t length, bool allow_locked, bool return_flag) { |
twisti@5790 | 498 | for (Flag* current = &flagTable[0]; current->_name != NULL; current++) { |
twisti@5790 | 499 | if (str_equal(current->_name, name, length)) { |
twisti@5790 | 500 | // Found a matching entry. |
twisti@5790 | 501 | // Don't report notproduct and develop flags in product builds. |
twisti@5790 | 502 | if (current->is_constant_in_binary()) { |
ccheung@6309 | 503 | return (return_flag == true ? current : NULL); |
twisti@5790 | 504 | } |
twisti@5790 | 505 | // Report locked flags only if allowed. |
duke@435 | 506 | if (!(current->is_unlocked() || current->is_unlocker())) { |
jmelvin@3650 | 507 | if (!allow_locked) { |
jmelvin@3650 | 508 | // disable use of locked flags, e.g. diagnostic, experimental, |
jmelvin@3650 | 509 | // commercial... until they are explicitly unlocked |
jmelvin@3650 | 510 | return NULL; |
jmelvin@3650 | 511 | } |
duke@435 | 512 | } |
duke@435 | 513 | return current; |
duke@435 | 514 | } |
duke@435 | 515 | } |
jmelvin@3650 | 516 | // Flag name is not in the flag table |
duke@435 | 517 | return NULL; |
duke@435 | 518 | } |
duke@435 | 519 | |
tamao@5343 | 520 | // Compute string similarity based on Dice's coefficient |
tamao@5343 | 521 | static float str_similar(const char* str1, const char* str2, size_t len2) { |
tamao@5343 | 522 | int len1 = (int) strlen(str1); |
tamao@5343 | 523 | int total = len1 + (int) len2; |
tamao@5343 | 524 | |
tamao@5343 | 525 | int hit = 0; |
tamao@5343 | 526 | |
tamao@5343 | 527 | for (int i = 0; i < len1 -1; ++i) { |
tamao@5343 | 528 | for (int j = 0; j < (int) len2 -1; ++j) { |
tamao@5343 | 529 | if ((str1[i] == str2[j]) && (str1[i+1] == str2[j+1])) { |
tamao@5343 | 530 | ++hit; |
tamao@5343 | 531 | break; |
tamao@5343 | 532 | } |
tamao@5343 | 533 | } |
tamao@5343 | 534 | } |
tamao@5343 | 535 | |
tamao@5343 | 536 | return 2.0f * (float) hit / (float) total; |
tamao@5343 | 537 | } |
tamao@5343 | 538 | |
tamao@5343 | 539 | Flag* Flag::fuzzy_match(const char* name, size_t length, bool allow_locked) { |
tamao@5343 | 540 | float VMOptionsFuzzyMatchSimilarity = 0.7f; |
tamao@5343 | 541 | Flag* match = NULL; |
tamao@5343 | 542 | float score; |
tamao@5343 | 543 | float max_score = -1; |
tamao@5343 | 544 | |
twisti@5790 | 545 | for (Flag* current = &flagTable[0]; current->_name != NULL; current++) { |
twisti@5790 | 546 | score = str_similar(current->_name, name, length); |
tamao@5343 | 547 | if (score > max_score) { |
tamao@5343 | 548 | max_score = score; |
tamao@5343 | 549 | match = current; |
tamao@5343 | 550 | } |
tamao@5343 | 551 | } |
tamao@5343 | 552 | |
tamao@5343 | 553 | if (!(match->is_unlocked() || match->is_unlocker())) { |
tamao@5343 | 554 | if (!allow_locked) { |
tamao@5343 | 555 | return NULL; |
tamao@5343 | 556 | } |
tamao@5343 | 557 | } |
tamao@5343 | 558 | |
tamao@5343 | 559 | if (max_score < VMOptionsFuzzyMatchSimilarity) { |
tamao@5343 | 560 | return NULL; |
tamao@5343 | 561 | } |
tamao@5343 | 562 | |
tamao@5343 | 563 | return match; |
tamao@5343 | 564 | } |
tamao@5343 | 565 | |
duke@435 | 566 | // Returns the address of the index'th element |
duke@435 | 567 | static Flag* address_of_flag(CommandLineFlagWithType flag) { |
duke@435 | 568 | assert((size_t)flag < Flag::numFlags, "bad command line flag index"); |
duke@435 | 569 | return &Flag::flags[flag]; |
duke@435 | 570 | } |
duke@435 | 571 | |
duke@435 | 572 | bool CommandLineFlagsEx::is_default(CommandLineFlag flag) { |
duke@435 | 573 | assert((size_t)flag < Flag::numFlags, "bad command line flag index"); |
duke@435 | 574 | Flag* f = &Flag::flags[flag]; |
twisti@5790 | 575 | return f->is_default(); |
duke@435 | 576 | } |
duke@435 | 577 | |
jmasa@448 | 578 | bool CommandLineFlagsEx::is_ergo(CommandLineFlag flag) { |
jmasa@448 | 579 | assert((size_t)flag < Flag::numFlags, "bad command line flag index"); |
jmasa@448 | 580 | Flag* f = &Flag::flags[flag]; |
twisti@5790 | 581 | return f->is_ergonomic(); |
jmasa@448 | 582 | } |
jmasa@448 | 583 | |
jmasa@448 | 584 | bool CommandLineFlagsEx::is_cmdline(CommandLineFlag flag) { |
jmasa@448 | 585 | assert((size_t)flag < Flag::numFlags, "bad command line flag index"); |
jmasa@448 | 586 | Flag* f = &Flag::flags[flag]; |
twisti@5790 | 587 | return f->is_command_line(); |
jmasa@448 | 588 | } |
jmasa@448 | 589 | |
duke@435 | 590 | bool CommandLineFlags::wasSetOnCmdline(const char* name, bool* value) { |
duke@435 | 591 | Flag* result = Flag::find_flag((char*)name, strlen(name)); |
duke@435 | 592 | if (result == NULL) return false; |
twisti@5790 | 593 | *value = result->is_command_line(); |
duke@435 | 594 | return true; |
duke@435 | 595 | } |
duke@435 | 596 | |
sla@6333 | 597 | template<class E, class T> |
sla@6333 | 598 | static void trace_flag_changed(const char* name, const T old_value, const T new_value, const Flag::Flags origin) |
sla@6333 | 599 | { |
sla@6333 | 600 | E e; |
sla@6333 | 601 | e.set_name(name); |
sla@6333 | 602 | e.set_old_value(old_value); |
sla@6333 | 603 | e.set_new_value(new_value); |
sla@6333 | 604 | e.set_origin(origin); |
sla@6333 | 605 | e.commit(); |
sla@6333 | 606 | } |
sla@6333 | 607 | |
duke@435 | 608 | bool CommandLineFlags::boolAt(char* name, size_t len, bool* value) { |
duke@435 | 609 | Flag* result = Flag::find_flag(name, len); |
duke@435 | 610 | if (result == NULL) return false; |
duke@435 | 611 | if (!result->is_bool()) return false; |
duke@435 | 612 | *value = result->get_bool(); |
duke@435 | 613 | return true; |
duke@435 | 614 | } |
duke@435 | 615 | |
twisti@5790 | 616 | bool CommandLineFlags::boolAtPut(char* name, size_t len, bool* value, Flag::Flags origin) { |
duke@435 | 617 | Flag* result = Flag::find_flag(name, len); |
duke@435 | 618 | if (result == NULL) return false; |
duke@435 | 619 | if (!result->is_bool()) return false; |
duke@435 | 620 | bool old_value = result->get_bool(); |
sla@6333 | 621 | trace_flag_changed<EventBooleanFlagChanged, bool>(name, old_value, *value, origin); |
duke@435 | 622 | result->set_bool(*value); |
duke@435 | 623 | *value = old_value; |
twisti@5790 | 624 | result->set_origin(origin); |
duke@435 | 625 | return true; |
duke@435 | 626 | } |
duke@435 | 627 | |
twisti@5790 | 628 | void CommandLineFlagsEx::boolAtPut(CommandLineFlagWithType flag, bool value, Flag::Flags origin) { |
duke@435 | 629 | Flag* faddr = address_of_flag(flag); |
duke@435 | 630 | guarantee(faddr != NULL && faddr->is_bool(), "wrong flag type"); |
sla@6333 | 631 | trace_flag_changed<EventBooleanFlagChanged, bool>(faddr->_name, faddr->get_bool(), value, origin); |
duke@435 | 632 | faddr->set_bool(value); |
twisti@5790 | 633 | faddr->set_origin(origin); |
duke@435 | 634 | } |
duke@435 | 635 | |
duke@435 | 636 | bool CommandLineFlags::intxAt(char* name, size_t len, intx* value) { |
duke@435 | 637 | Flag* result = Flag::find_flag(name, len); |
duke@435 | 638 | if (result == NULL) return false; |
duke@435 | 639 | if (!result->is_intx()) return false; |
duke@435 | 640 | *value = result->get_intx(); |
duke@435 | 641 | return true; |
duke@435 | 642 | } |
duke@435 | 643 | |
twisti@5790 | 644 | bool CommandLineFlags::intxAtPut(char* name, size_t len, intx* value, Flag::Flags origin) { |
duke@435 | 645 | Flag* result = Flag::find_flag(name, len); |
duke@435 | 646 | if (result == NULL) return false; |
duke@435 | 647 | if (!result->is_intx()) return false; |
duke@435 | 648 | intx old_value = result->get_intx(); |
sla@6333 | 649 | trace_flag_changed<EventLongFlagChanged, s8>(name, old_value, *value, origin); |
duke@435 | 650 | result->set_intx(*value); |
duke@435 | 651 | *value = old_value; |
twisti@5790 | 652 | result->set_origin(origin); |
duke@435 | 653 | return true; |
duke@435 | 654 | } |
duke@435 | 655 | |
twisti@5790 | 656 | void CommandLineFlagsEx::intxAtPut(CommandLineFlagWithType flag, intx value, Flag::Flags origin) { |
duke@435 | 657 | Flag* faddr = address_of_flag(flag); |
duke@435 | 658 | guarantee(faddr != NULL && faddr->is_intx(), "wrong flag type"); |
sla@6333 | 659 | trace_flag_changed<EventLongFlagChanged, s8>(faddr->_name, faddr->get_intx(), value, origin); |
duke@435 | 660 | faddr->set_intx(value); |
twisti@5790 | 661 | faddr->set_origin(origin); |
duke@435 | 662 | } |
duke@435 | 663 | |
duke@435 | 664 | bool CommandLineFlags::uintxAt(char* name, size_t len, uintx* value) { |
duke@435 | 665 | Flag* result = Flag::find_flag(name, len); |
duke@435 | 666 | if (result == NULL) return false; |
duke@435 | 667 | if (!result->is_uintx()) return false; |
duke@435 | 668 | *value = result->get_uintx(); |
duke@435 | 669 | return true; |
duke@435 | 670 | } |
duke@435 | 671 | |
twisti@5790 | 672 | bool CommandLineFlags::uintxAtPut(char* name, size_t len, uintx* value, Flag::Flags origin) { |
duke@435 | 673 | Flag* result = Flag::find_flag(name, len); |
duke@435 | 674 | if (result == NULL) return false; |
duke@435 | 675 | if (!result->is_uintx()) return false; |
duke@435 | 676 | uintx old_value = result->get_uintx(); |
sla@6333 | 677 | trace_flag_changed<EventUnsignedLongFlagChanged, u8>(name, old_value, *value, origin); |
duke@435 | 678 | result->set_uintx(*value); |
duke@435 | 679 | *value = old_value; |
twisti@5790 | 680 | result->set_origin(origin); |
duke@435 | 681 | return true; |
duke@435 | 682 | } |
duke@435 | 683 | |
twisti@5790 | 684 | void CommandLineFlagsEx::uintxAtPut(CommandLineFlagWithType flag, uintx value, Flag::Flags origin) { |
duke@435 | 685 | Flag* faddr = address_of_flag(flag); |
duke@435 | 686 | guarantee(faddr != NULL && faddr->is_uintx(), "wrong flag type"); |
sla@6333 | 687 | trace_flag_changed<EventUnsignedLongFlagChanged, u8>(faddr->_name, faddr->get_uintx(), value, origin); |
duke@435 | 688 | faddr->set_uintx(value); |
twisti@5790 | 689 | faddr->set_origin(origin); |
duke@435 | 690 | } |
duke@435 | 691 | |
phh@1499 | 692 | bool CommandLineFlags::uint64_tAt(char* name, size_t len, uint64_t* value) { |
phh@1499 | 693 | Flag* result = Flag::find_flag(name, len); |
phh@1499 | 694 | if (result == NULL) return false; |
phh@1499 | 695 | if (!result->is_uint64_t()) return false; |
phh@1499 | 696 | *value = result->get_uint64_t(); |
phh@1499 | 697 | return true; |
phh@1499 | 698 | } |
phh@1499 | 699 | |
twisti@5790 | 700 | bool CommandLineFlags::uint64_tAtPut(char* name, size_t len, uint64_t* value, Flag::Flags origin) { |
phh@1499 | 701 | Flag* result = Flag::find_flag(name, len); |
phh@1499 | 702 | if (result == NULL) return false; |
phh@1499 | 703 | if (!result->is_uint64_t()) return false; |
phh@1499 | 704 | uint64_t old_value = result->get_uint64_t(); |
sla@6333 | 705 | trace_flag_changed<EventUnsignedLongFlagChanged, u8>(name, old_value, *value, origin); |
phh@1499 | 706 | result->set_uint64_t(*value); |
phh@1499 | 707 | *value = old_value; |
twisti@5790 | 708 | result->set_origin(origin); |
phh@1499 | 709 | return true; |
phh@1499 | 710 | } |
phh@1499 | 711 | |
twisti@5790 | 712 | void CommandLineFlagsEx::uint64_tAtPut(CommandLineFlagWithType flag, uint64_t value, Flag::Flags origin) { |
phh@1499 | 713 | Flag* faddr = address_of_flag(flag); |
phh@1499 | 714 | guarantee(faddr != NULL && faddr->is_uint64_t(), "wrong flag type"); |
sla@6333 | 715 | trace_flag_changed<EventUnsignedLongFlagChanged, u8>(faddr->_name, faddr->get_uint64_t(), value, origin); |
phh@1499 | 716 | faddr->set_uint64_t(value); |
twisti@5790 | 717 | faddr->set_origin(origin); |
phh@1499 | 718 | } |
phh@1499 | 719 | |
duke@435 | 720 | bool CommandLineFlags::doubleAt(char* name, size_t len, double* value) { |
duke@435 | 721 | Flag* result = Flag::find_flag(name, len); |
duke@435 | 722 | if (result == NULL) return false; |
duke@435 | 723 | if (!result->is_double()) return false; |
duke@435 | 724 | *value = result->get_double(); |
duke@435 | 725 | return true; |
duke@435 | 726 | } |
duke@435 | 727 | |
twisti@5790 | 728 | bool CommandLineFlags::doubleAtPut(char* name, size_t len, double* value, Flag::Flags origin) { |
duke@435 | 729 | Flag* result = Flag::find_flag(name, len); |
duke@435 | 730 | if (result == NULL) return false; |
duke@435 | 731 | if (!result->is_double()) return false; |
duke@435 | 732 | double old_value = result->get_double(); |
sla@6333 | 733 | trace_flag_changed<EventDoubleFlagChanged, double>(name, old_value, *value, origin); |
duke@435 | 734 | result->set_double(*value); |
duke@435 | 735 | *value = old_value; |
twisti@5790 | 736 | result->set_origin(origin); |
duke@435 | 737 | return true; |
duke@435 | 738 | } |
duke@435 | 739 | |
twisti@5790 | 740 | void CommandLineFlagsEx::doubleAtPut(CommandLineFlagWithType flag, double value, Flag::Flags origin) { |
duke@435 | 741 | Flag* faddr = address_of_flag(flag); |
duke@435 | 742 | guarantee(faddr != NULL && faddr->is_double(), "wrong flag type"); |
sla@6333 | 743 | trace_flag_changed<EventDoubleFlagChanged, double>(faddr->_name, faddr->get_double(), value, origin); |
duke@435 | 744 | faddr->set_double(value); |
twisti@5790 | 745 | faddr->set_origin(origin); |
duke@435 | 746 | } |
duke@435 | 747 | |
duke@435 | 748 | bool CommandLineFlags::ccstrAt(char* name, size_t len, ccstr* value) { |
duke@435 | 749 | Flag* result = Flag::find_flag(name, len); |
duke@435 | 750 | if (result == NULL) return false; |
duke@435 | 751 | if (!result->is_ccstr()) return false; |
duke@435 | 752 | *value = result->get_ccstr(); |
duke@435 | 753 | return true; |
duke@435 | 754 | } |
duke@435 | 755 | |
duke@435 | 756 | // Contract: Flag will make private copy of the incoming value. |
duke@435 | 757 | // Outgoing value is always malloc-ed, and caller MUST call free. |
twisti@5790 | 758 | bool CommandLineFlags::ccstrAtPut(char* name, size_t len, ccstr* value, Flag::Flags origin) { |
duke@435 | 759 | Flag* result = Flag::find_flag(name, len); |
duke@435 | 760 | if (result == NULL) return false; |
duke@435 | 761 | if (!result->is_ccstr()) return false; |
duke@435 | 762 | ccstr old_value = result->get_ccstr(); |
sla@6333 | 763 | trace_flag_changed<EventStringFlagChanged, const char*>(name, old_value, *value, origin); |
never@805 | 764 | char* new_value = NULL; |
never@805 | 765 | if (*value != NULL) { |
zgu@3900 | 766 | new_value = NEW_C_HEAP_ARRAY(char, strlen(*value)+1, mtInternal); |
never@805 | 767 | strcpy(new_value, *value); |
never@805 | 768 | } |
duke@435 | 769 | result->set_ccstr(new_value); |
twisti@5790 | 770 | if (result->is_default() && old_value != NULL) { |
duke@435 | 771 | // Prior value is NOT heap allocated, but was a literal constant. |
zgu@3900 | 772 | char* old_value_to_free = NEW_C_HEAP_ARRAY(char, strlen(old_value)+1, mtInternal); |
duke@435 | 773 | strcpy(old_value_to_free, old_value); |
duke@435 | 774 | old_value = old_value_to_free; |
duke@435 | 775 | } |
duke@435 | 776 | *value = old_value; |
twisti@5790 | 777 | result->set_origin(origin); |
duke@435 | 778 | return true; |
duke@435 | 779 | } |
duke@435 | 780 | |
duke@435 | 781 | // Contract: Flag will make private copy of the incoming value. |
twisti@5790 | 782 | void CommandLineFlagsEx::ccstrAtPut(CommandLineFlagWithType flag, ccstr value, Flag::Flags origin) { |
duke@435 | 783 | Flag* faddr = address_of_flag(flag); |
duke@435 | 784 | guarantee(faddr != NULL && faddr->is_ccstr(), "wrong flag type"); |
duke@435 | 785 | ccstr old_value = faddr->get_ccstr(); |
sla@6333 | 786 | trace_flag_changed<EventStringFlagChanged, const char*>(faddr->_name, old_value, value, origin); |
zgu@3900 | 787 | char* new_value = NEW_C_HEAP_ARRAY(char, strlen(value)+1, mtInternal); |
duke@435 | 788 | strcpy(new_value, value); |
duke@435 | 789 | faddr->set_ccstr(new_value); |
twisti@5790 | 790 | if (!faddr->is_default() && old_value != NULL) { |
duke@435 | 791 | // Prior value is heap allocated so free it. |
zgu@3900 | 792 | FREE_C_HEAP_ARRAY(char, old_value, mtInternal); |
duke@435 | 793 | } |
twisti@5790 | 794 | faddr->set_origin(origin); |
duke@435 | 795 | } |
duke@435 | 796 | |
duke@435 | 797 | extern "C" { |
duke@435 | 798 | static int compare_flags(const void* void_a, const void* void_b) { |
twisti@5790 | 799 | return strcmp((*((Flag**) void_a))->_name, (*((Flag**) void_b))->_name); |
duke@435 | 800 | } |
duke@435 | 801 | } |
duke@435 | 802 | |
fparain@3402 | 803 | void CommandLineFlags::printSetFlags(outputStream* out) { |
duke@435 | 804 | // Print which flags were set on the command line |
duke@435 | 805 | // note: this method is called before the thread structure is in place |
duke@435 | 806 | // which means resource allocation cannot be used. |
duke@435 | 807 | |
twisti@5790 | 808 | // The last entry is the null entry. |
twisti@5790 | 809 | const size_t length = Flag::numFlags - 1; |
duke@435 | 810 | |
duke@435 | 811 | // Sort |
zgu@3900 | 812 | Flag** array = NEW_C_HEAP_ARRAY(Flag*, length, mtInternal); |
twisti@5790 | 813 | for (size_t i = 0; i < length; i++) { |
twisti@5790 | 814 | array[i] = &flagTable[i]; |
duke@435 | 815 | } |
duke@435 | 816 | qsort(array, length, sizeof(Flag*), compare_flags); |
duke@435 | 817 | |
duke@435 | 818 | |
twisti@5790 | 819 | for (size_t i = 0; i < length; i++) { |
twisti@5790 | 820 | if (array[i]->get_origin() /* naked field! */) { |
fparain@3402 | 821 | array[i]->print_as_flag(out); |
fparain@3402 | 822 | out->print(" "); |
duke@435 | 823 | } |
duke@435 | 824 | } |
fparain@3402 | 825 | out->cr(); |
zgu@3900 | 826 | FREE_C_HEAP_ARRAY(Flag*, array, mtInternal); |
duke@435 | 827 | } |
duke@435 | 828 | |
duke@435 | 829 | #ifndef PRODUCT |
duke@435 | 830 | |
duke@435 | 831 | |
duke@435 | 832 | void CommandLineFlags::verify() { |
duke@435 | 833 | assert(Arguments::check_vm_args_consistency(), "Some flag settings conflict"); |
duke@435 | 834 | } |
duke@435 | 835 | |
kvn@1585 | 836 | #endif // PRODUCT |
kvn@1585 | 837 | |
fparain@3402 | 838 | void CommandLineFlags::printFlags(outputStream* out, bool withComments) { |
duke@435 | 839 | // Print the flags sorted by name |
duke@435 | 840 | // note: this method is called before the thread structure is in place |
duke@435 | 841 | // which means resource allocation cannot be used. |
duke@435 | 842 | |
twisti@5790 | 843 | // The last entry is the null entry. |
twisti@5790 | 844 | const size_t length = Flag::numFlags - 1; |
duke@435 | 845 | |
duke@435 | 846 | // Sort |
zgu@3900 | 847 | Flag** array = NEW_C_HEAP_ARRAY(Flag*, length, mtInternal); |
twisti@5790 | 848 | for (size_t i = 0; i < length; i++) { |
twisti@5790 | 849 | array[i] = &flagTable[i]; |
duke@435 | 850 | } |
duke@435 | 851 | qsort(array, length, sizeof(Flag*), compare_flags); |
duke@435 | 852 | |
duke@435 | 853 | |
fparain@3402 | 854 | out->print_cr("[Global flags]"); |
twisti@5790 | 855 | for (size_t i = 0; i < length; i++) { |
duke@435 | 856 | if (array[i]->is_unlocked()) { |
fparain@3402 | 857 | array[i]->print_on(out, withComments); |
duke@435 | 858 | } |
duke@435 | 859 | } |
zgu@3900 | 860 | FREE_C_HEAP_ARRAY(Flag*, array, mtInternal); |
duke@435 | 861 | } |