parsed_options.cc revision 9114f036f9a519995d40a0449142412e060701cf
1/* 2 * Copyright (C) 2011 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17#include "parsed_options.h" 18#ifdef HAVE_ANDROID_OS 19#include "cutils/properties.h" 20#endif 21 22#include "debugger.h" 23#include "monitor.h" 24 25namespace art { 26 27ParsedOptions* ParsedOptions::Create(const Runtime::Options& options, bool ignore_unrecognized) { 28 UniquePtr<ParsedOptions> parsed(new ParsedOptions()); 29 if (parsed->Parse(options, ignore_unrecognized)) { 30 return parsed.release(); 31 } 32 return nullptr; 33} 34 35// Parse a string of the form /[0-9]+[kKmMgG]?/, which is used to specify 36// memory sizes. [kK] indicates kilobytes, [mM] megabytes, and 37// [gG] gigabytes. 38// 39// "s" should point just past the "-Xm?" part of the string. 40// "div" specifies a divisor, e.g. 1024 if the value must be a multiple 41// of 1024. 42// 43// The spec says the -Xmx and -Xms options must be multiples of 1024. It 44// doesn't say anything about -Xss. 45// 46// Returns 0 (a useless size) if "s" is malformed or specifies a low or 47// non-evenly-divisible value. 48// 49size_t ParseMemoryOption(const char* s, size_t div) { 50 // strtoul accepts a leading [+-], which we don't want, 51 // so make sure our string starts with a decimal digit. 52 if (isdigit(*s)) { 53 char* s2; 54 size_t val = strtoul(s, &s2, 10); 55 if (s2 != s) { 56 // s2 should be pointing just after the number. 57 // If this is the end of the string, the user 58 // has specified a number of bytes. Otherwise, 59 // there should be exactly one more character 60 // that specifies a multiplier. 61 if (*s2 != '\0') { 62 // The remainder of the string is either a single multiplier 63 // character, or nothing to indicate that the value is in 64 // bytes. 65 char c = *s2++; 66 if (*s2 == '\0') { 67 size_t mul; 68 if (c == '\0') { 69 mul = 1; 70 } else if (c == 'k' || c == 'K') { 71 mul = KB; 72 } else if (c == 'm' || c == 'M') { 73 mul = MB; 74 } else if (c == 'g' || c == 'G') { 75 mul = GB; 76 } else { 77 // Unknown multiplier character. 78 return 0; 79 } 80 81 if (val <= std::numeric_limits<size_t>::max() / mul) { 82 val *= mul; 83 } else { 84 // Clamp to a multiple of 1024. 85 val = std::numeric_limits<size_t>::max() & ~(1024-1); 86 } 87 } else { 88 // There's more than one character after the numeric part. 89 return 0; 90 } 91 } 92 // The man page says that a -Xm value must be a multiple of 1024. 93 if (val % div == 0) { 94 return val; 95 } 96 } 97 } 98 return 0; 99} 100 101static gc::CollectorType ParseCollectorType(const std::string& option) { 102 if (option == "MS" || option == "nonconcurrent") { 103 return gc::kCollectorTypeMS; 104 } else if (option == "CMS" || option == "concurrent") { 105 return gc::kCollectorTypeCMS; 106 } else if (option == "SS") { 107 return gc::kCollectorTypeSS; 108 } else if (option == "GSS") { 109 return gc::kCollectorTypeGSS; 110 } else if (option == "CC") { 111 return gc::kCollectorTypeCC; 112 } else { 113 return gc::kCollectorTypeNone; 114 } 115} 116 117bool ParsedOptions::ParseXGcOption(const std::string& option) { 118 std::vector<std::string> gc_options; 119 Split(option.substr(strlen("-Xgc:")), ',', gc_options); 120 for (const std::string& gc_option : gc_options) { 121 gc::CollectorType collector_type = ParseCollectorType(gc_option); 122 if (collector_type != gc::kCollectorTypeNone) { 123 collector_type_ = collector_type; 124 } else if (gc_option == "preverify") { 125 verify_pre_gc_heap_ = true; 126 } else if (gc_option == "nopreverify") { 127 verify_pre_gc_heap_ = false; 128 } else if (gc_option == "presweepingverify") { 129 verify_pre_sweeping_heap_ = true; 130 } else if (gc_option == "nopresweepingverify") { 131 verify_pre_sweeping_heap_ = false; 132 } else if (gc_option == "postverify") { 133 verify_post_gc_heap_ = true; 134 } else if (gc_option == "nopostverify") { 135 verify_post_gc_heap_ = false; 136 } else if (gc_option == "preverify_rosalloc") { 137 verify_pre_gc_rosalloc_ = true; 138 } else if (gc_option == "nopreverify_rosalloc") { 139 verify_pre_gc_rosalloc_ = false; 140 } else if (gc_option == "presweepingverify_rosalloc") { 141 verify_pre_sweeping_rosalloc_ = true; 142 } else if (gc_option == "nopresweepingverify_rosalloc") { 143 verify_pre_sweeping_rosalloc_ = false; 144 } else if (gc_option == "postverify_rosalloc") { 145 verify_post_gc_rosalloc_ = true; 146 } else if (gc_option == "nopostverify_rosalloc") { 147 verify_post_gc_rosalloc_ = false; 148 } else if ((gc_option == "precise") || 149 (gc_option == "noprecise") || 150 (gc_option == "verifycardtable") || 151 (gc_option == "noverifycardtable")) { 152 // Ignored for backwards compatibility. 153 } else { 154 Usage("Unknown -Xgc option %s\n", gc_option.c_str()); 155 return false; 156 } 157 } 158 return true; 159} 160 161bool ParsedOptions::Parse(const Runtime::Options& options, bool ignore_unrecognized) { 162 const char* boot_class_path_string = getenv("BOOTCLASSPATH"); 163 if (boot_class_path_string != NULL) { 164 boot_class_path_string_ = boot_class_path_string; 165 } 166 const char* class_path_string = getenv("CLASSPATH"); 167 if (class_path_string != NULL) { 168 class_path_string_ = class_path_string; 169 } 170 // -Xcheck:jni is off by default for regular builds but on by default in debug builds. 171 check_jni_ = kIsDebugBuild; 172 173 heap_initial_size_ = gc::Heap::kDefaultInitialSize; 174 heap_maximum_size_ = gc::Heap::kDefaultMaximumSize; 175 heap_min_free_ = gc::Heap::kDefaultMinFree; 176 heap_max_free_ = gc::Heap::kDefaultMaxFree; 177 heap_target_utilization_ = gc::Heap::kDefaultTargetUtilization; 178 foreground_heap_growth_multiplier_ = gc::Heap::kDefaultHeapGrowthMultiplier; 179 heap_growth_limit_ = 0; // 0 means no growth limit . 180 // Default to number of processors minus one since the main GC thread also does work. 181 parallel_gc_threads_ = sysconf(_SC_NPROCESSORS_CONF) - 1; 182 // Only the main GC thread, no workers. 183 conc_gc_threads_ = 0; 184 // The default GC type is set in makefiles. 185#if ART_DEFAULT_GC_TYPE_IS_CMS 186 collector_type_ = gc::kCollectorTypeCMS; 187#elif ART_DEFAULT_GC_TYPE_IS_SS 188 collector_type_ = gc::kCollectorTypeSS; 189#elif ART_DEFAULT_GC_TYPE_IS_GSS 190 collector_type_ = gc::kCollectorTypeGSS; 191#else 192#error "ART default GC type must be set" 193#endif 194 // If background_collector_type_ is kCollectorTypeNone, it defaults to the collector_type_ after 195 // parsing options. 196 background_collector_type_ = gc::kCollectorTypeSS; 197 stack_size_ = 0; // 0 means default. 198 max_spins_before_thin_lock_inflation_ = Monitor::kDefaultMaxSpinsBeforeThinLockInflation; 199 low_memory_mode_ = false; 200 use_tlab_ = false; 201 verify_pre_gc_heap_ = false; 202 // Pre sweeping is the one that usually fails if the GC corrupted the heap. 203 verify_pre_sweeping_heap_ = kIsDebugBuild; 204 verify_post_gc_heap_ = false; 205 verify_pre_gc_rosalloc_ = kIsDebugBuild; 206 verify_pre_sweeping_rosalloc_ = false; 207 verify_post_gc_rosalloc_ = false; 208 209 compiler_callbacks_ = nullptr; 210 is_zygote_ = false; 211 if (kPoisonHeapReferences) { 212 // kPoisonHeapReferences currently works only with the interpreter only. 213 // TODO: make it work with the compiler. 214 interpreter_only_ = true; 215 } else { 216 interpreter_only_ = false; 217 } 218 is_explicit_gc_disabled_ = false; 219 220 long_pause_log_threshold_ = gc::Heap::kDefaultLongPauseLogThreshold; 221 long_gc_log_threshold_ = gc::Heap::kDefaultLongGCLogThreshold; 222 dump_gc_performance_on_shutdown_ = false; 223 ignore_max_footprint_ = false; 224 225 lock_profiling_threshold_ = 0; 226 hook_is_sensitive_thread_ = NULL; 227 228 hook_vfprintf_ = vfprintf; 229 hook_exit_ = exit; 230 hook_abort_ = NULL; // We don't call abort(3) by default; see Runtime::Abort. 231 232// gLogVerbosity.class_linker = true; // TODO: don't check this in! 233// gLogVerbosity.compiler = true; // TODO: don't check this in! 234// gLogVerbosity.gc = true; // TODO: don't check this in! 235// gLogVerbosity.heap = true; // TODO: don't check this in! 236// gLogVerbosity.jdwp = true; // TODO: don't check this in! 237// gLogVerbosity.jni = true; // TODO: don't check this in! 238// gLogVerbosity.monitor = true; // TODO: don't check this in! 239// gLogVerbosity.profiler = true; // TODO: don't check this in! 240// gLogVerbosity.signals = true; // TODO: don't check this in! 241// gLogVerbosity.startup = true; // TODO: don't check this in! 242// gLogVerbosity.third_party_jni = true; // TODO: don't check this in! 243// gLogVerbosity.threads = true; // TODO: don't check this in! 244// gLogVerbosity.verifier = true; // TODO: don't check this in! 245 246 method_trace_ = false; 247 method_trace_file_ = "/data/method-trace-file.bin"; 248 method_trace_file_size_ = 10 * MB; 249 250 profile_ = false; 251 profile_period_s_ = 10; // Seconds. 252 profile_duration_s_ = 20; // Seconds. 253 profile_interval_us_ = 500; // Microseconds. 254 profile_backoff_coefficient_ = 2.0; 255 profile_start_immediately_ = true; 256 profile_clock_source_ = kDefaultProfilerClockSource; 257 258 verify_ = true; 259 image_isa_ = kRuntimeISA; 260 261 // Default to explicit checks. Switch off with -implicit-checks:. 262 // or setprop dalvik.vm.implicit_checks check1,check2,... 263#ifdef HAVE_ANDROID_OS 264 { 265 char buf[PROP_VALUE_MAX]; 266 property_get("dalvik.vm.implicit_checks", buf, "none"); 267 std::string checks(buf); 268 std::vector<std::string> checkvec; 269 Split(checks, ',', checkvec); 270 explicit_checks_ = kExplicitNullCheck | kExplicitSuspendCheck | 271 kExplicitStackOverflowCheck; 272 for (auto& str : checkvec) { 273 std::string val = Trim(str); 274 if (val == "none") { 275 explicit_checks_ = kExplicitNullCheck | kExplicitSuspendCheck | 276 kExplicitStackOverflowCheck; 277 } else if (val == "null") { 278 explicit_checks_ &= ~kExplicitNullCheck; 279 } else if (val == "suspend") { 280 explicit_checks_ &= ~kExplicitSuspendCheck; 281 } else if (val == "stack") { 282 explicit_checks_ &= ~kExplicitStackOverflowCheck; 283 } else if (val == "all") { 284 explicit_checks_ = 0; 285 } 286 } 287 } 288#else 289 explicit_checks_ = kExplicitNullCheck | kExplicitSuspendCheck | 290 kExplicitStackOverflowCheck; 291#endif 292 293 for (size_t i = 0; i < options.size(); ++i) { 294 if (true && options[0].first == "-Xzygote") { 295 LOG(INFO) << "option[" << i << "]=" << options[i].first; 296 } 297 } 298 for (size_t i = 0; i < options.size(); ++i) { 299 const std::string option(options[i].first); 300 if (StartsWith(option, "-help")) { 301 Usage(nullptr); 302 return false; 303 } else if (StartsWith(option, "-showversion")) { 304 UsageMessage(stdout, "ART version %s\n", Runtime::GetVersion()); 305 Exit(0); 306 } else if (StartsWith(option, "-Xbootclasspath:")) { 307 boot_class_path_string_ = option.substr(strlen("-Xbootclasspath:")).data(); 308 } else if (option == "-classpath" || option == "-cp") { 309 // TODO: support -Djava.class.path 310 i++; 311 if (i == options.size()) { 312 Usage("Missing required class path value for %s\n", option.c_str()); 313 return false; 314 } 315 const StringPiece& value = options[i].first; 316 class_path_string_ = value.data(); 317 } else if (option == "bootclasspath") { 318 boot_class_path_ 319 = reinterpret_cast<const std::vector<const DexFile*>*>(options[i].second); 320 } else if (StartsWith(option, "-Ximage:")) { 321 if (!ParseStringAfterChar(option, ':', &image_)) { 322 return false; 323 } 324 } else if (StartsWith(option, "-Xcheck:jni")) { 325 check_jni_ = true; 326 } else if (StartsWith(option, "-Xrunjdwp:") || StartsWith(option, "-agentlib:jdwp=")) { 327 std::string tail(option.substr(option[1] == 'X' ? 10 : 15)); 328 // TODO: move parsing logic out of Dbg 329 if (tail == "help" || !Dbg::ParseJdwpOptions(tail)) { 330 if (tail != "help") { 331 UsageMessage(stderr, "Failed to parse JDWP option %s\n", tail.c_str()); 332 } 333 Usage("Example: -Xrunjdwp:transport=dt_socket,address=8000,server=y\n" 334 "Example: -Xrunjdwp:transport=dt_socket,address=localhost:6500,server=n\n"); 335 return false; 336 } 337 } else if (StartsWith(option, "-Xms")) { 338 size_t size = ParseMemoryOption(option.substr(strlen("-Xms")).c_str(), 1024); 339 if (size == 0) { 340 Usage("Failed to parse memory option %s\n", option.c_str()); 341 return false; 342 } 343 heap_initial_size_ = size; 344 } else if (StartsWith(option, "-Xmx")) { 345 size_t size = ParseMemoryOption(option.substr(strlen("-Xmx")).c_str(), 1024); 346 if (size == 0) { 347 Usage("Failed to parse memory option %s\n", option.c_str()); 348 return false; 349 } 350 heap_maximum_size_ = size; 351 } else if (StartsWith(option, "-XX:HeapGrowthLimit=")) { 352 size_t size = ParseMemoryOption(option.substr(strlen("-XX:HeapGrowthLimit=")).c_str(), 1024); 353 if (size == 0) { 354 Usage("Failed to parse memory option %s\n", option.c_str()); 355 return false; 356 } 357 heap_growth_limit_ = size; 358 } else if (StartsWith(option, "-XX:HeapMinFree=")) { 359 size_t size = ParseMemoryOption(option.substr(strlen("-XX:HeapMinFree=")).c_str(), 1024); 360 if (size == 0) { 361 Usage("Failed to parse memory option %s\n", option.c_str()); 362 return false; 363 } 364 heap_min_free_ = size; 365 } else if (StartsWith(option, "-XX:HeapMaxFree=")) { 366 size_t size = ParseMemoryOption(option.substr(strlen("-XX:HeapMaxFree=")).c_str(), 1024); 367 if (size == 0) { 368 Usage("Failed to parse memory option %s\n", option.c_str()); 369 return false; 370 } 371 heap_max_free_ = size; 372 } else if (StartsWith(option, "-XX:HeapTargetUtilization=")) { 373 if (!ParseDouble(option, '=', 0.1, 0.9, &heap_target_utilization_)) { 374 return false; 375 } 376 } else if (StartsWith(option, "-XX:ForegroundHeapGrowthMultiplier=")) { 377 if (!ParseDouble(option, '=', 0.1, 10.0, &foreground_heap_growth_multiplier_)) { 378 return false; 379 } 380 } else if (StartsWith(option, "-XX:ParallelGCThreads=")) { 381 if (!ParseUnsignedInteger(option, '=', ¶llel_gc_threads_)) { 382 return false; 383 } 384 } else if (StartsWith(option, "-XX:ConcGCThreads=")) { 385 if (!ParseUnsignedInteger(option, '=', &conc_gc_threads_)) { 386 return false; 387 } 388 } else if (StartsWith(option, "-Xss")) { 389 size_t size = ParseMemoryOption(option.substr(strlen("-Xss")).c_str(), 1); 390 if (size == 0) { 391 Usage("Failed to parse memory option %s\n", option.c_str()); 392 return false; 393 } 394 stack_size_ = size; 395 } else if (StartsWith(option, "-XX:MaxSpinsBeforeThinLockInflation=")) { 396 if (!ParseUnsignedInteger(option, '=', &max_spins_before_thin_lock_inflation_)) { 397 return false; 398 } 399 } else if (StartsWith(option, "-XX:LongPauseLogThreshold=")) { 400 unsigned int value; 401 if (!ParseUnsignedInteger(option, '=', &value)) { 402 return false; 403 } 404 long_pause_log_threshold_ = MsToNs(value); 405 } else if (StartsWith(option, "-XX:LongGCLogThreshold=")) { 406 unsigned int value; 407 if (!ParseUnsignedInteger(option, '=', &value)) { 408 return false; 409 } 410 long_gc_log_threshold_ = MsToNs(value); 411 } else if (option == "-XX:DumpGCPerformanceOnShutdown") { 412 dump_gc_performance_on_shutdown_ = true; 413 } else if (option == "-XX:IgnoreMaxFootprint") { 414 ignore_max_footprint_ = true; 415 } else if (option == "-XX:LowMemoryMode") { 416 low_memory_mode_ = true; 417 } else if (option == "-XX:UseTLAB") { 418 use_tlab_ = true; 419 } else if (StartsWith(option, "-D")) { 420 properties_.push_back(option.substr(strlen("-D"))); 421 } else if (StartsWith(option, "-Xjnitrace:")) { 422 jni_trace_ = option.substr(strlen("-Xjnitrace:")); 423 } else if (option == "compilercallbacks") { 424 compiler_callbacks_ = 425 reinterpret_cast<CompilerCallbacks*>(const_cast<void*>(options[i].second)); 426 } else if (option == "imageinstructionset") { 427 image_isa_ = GetInstructionSetFromString( 428 reinterpret_cast<const char*>(options[i].second)); 429 } else if (option == "-Xzygote") { 430 is_zygote_ = true; 431 } else if (option == "-Xint") { 432 interpreter_only_ = true; 433 } else if (StartsWith(option, "-Xgc:")) { 434 if (!ParseXGcOption(option)) { 435 return false; 436 } 437 } else if (StartsWith(option, "-XX:BackgroundGC=")) { 438 std::string substring; 439 if (!ParseStringAfterChar(option, '=', &substring)) { 440 return false; 441 } 442 gc::CollectorType collector_type = ParseCollectorType(substring); 443 if (collector_type != gc::kCollectorTypeNone) { 444 background_collector_type_ = collector_type; 445 } else { 446 Usage("Unknown -XX:BackgroundGC option %s\n", substring.c_str()); 447 return false; 448 } 449 } else if (option == "-XX:+DisableExplicitGC") { 450 is_explicit_gc_disabled_ = true; 451 } else if (StartsWith(option, "-verbose:")) { 452 std::vector<std::string> verbose_options; 453 Split(option.substr(strlen("-verbose:")), ',', verbose_options); 454 for (size_t i = 0; i < verbose_options.size(); ++i) { 455 if (verbose_options[i] == "class") { 456 gLogVerbosity.class_linker = true; 457 } else if (verbose_options[i] == "compiler") { 458 gLogVerbosity.compiler = true; 459 } else if (verbose_options[i] == "gc") { 460 gLogVerbosity.gc = true; 461 } else if (verbose_options[i] == "heap") { 462 gLogVerbosity.heap = true; 463 } else if (verbose_options[i] == "jdwp") { 464 gLogVerbosity.jdwp = true; 465 } else if (verbose_options[i] == "jni") { 466 gLogVerbosity.jni = true; 467 } else if (verbose_options[i] == "monitor") { 468 gLogVerbosity.monitor = true; 469 } else if (verbose_options[i] == "profiler") { 470 gLogVerbosity.profiler = true; 471 } else if (verbose_options[i] == "signals") { 472 gLogVerbosity.signals = true; 473 } else if (verbose_options[i] == "startup") { 474 gLogVerbosity.startup = true; 475 } else if (verbose_options[i] == "third-party-jni") { 476 gLogVerbosity.third_party_jni = true; 477 } else if (verbose_options[i] == "threads") { 478 gLogVerbosity.threads = true; 479 } else if (verbose_options[i] == "verifier") { 480 gLogVerbosity.verifier = true; 481 } else { 482 Usage("Unknown -verbose option %s\n", verbose_options[i].c_str()); 483 return false; 484 } 485 } 486 } else if (StartsWith(option, "-verbose-methods:")) { 487 gLogVerbosity.compiler = false; 488 Split(option.substr(strlen("-verbose-methods:")), ',', gVerboseMethods); 489 } else if (StartsWith(option, "-Xlockprofthreshold:")) { 490 if (!ParseUnsignedInteger(option, ':', &lock_profiling_threshold_)) { 491 return false; 492 } 493 } else if (StartsWith(option, "-Xstacktracefile:")) { 494 if (!ParseStringAfterChar(option, ':', &stack_trace_file_)) { 495 return false; 496 } 497 } else if (option == "sensitiveThread") { 498 const void* hook = options[i].second; 499 hook_is_sensitive_thread_ = reinterpret_cast<bool (*)()>(const_cast<void*>(hook)); 500 } else if (option == "vfprintf") { 501 const void* hook = options[i].second; 502 if (hook == nullptr) { 503 Usage("vfprintf argument was NULL"); 504 return false; 505 } 506 hook_vfprintf_ = 507 reinterpret_cast<int (*)(FILE *, const char*, va_list)>(const_cast<void*>(hook)); 508 } else if (option == "exit") { 509 const void* hook = options[i].second; 510 if (hook == nullptr) { 511 Usage("exit argument was NULL"); 512 return false; 513 } 514 hook_exit_ = reinterpret_cast<void(*)(jint)>(const_cast<void*>(hook)); 515 } else if (option == "abort") { 516 const void* hook = options[i].second; 517 if (hook == nullptr) { 518 Usage("abort was NULL\n"); 519 return false; 520 } 521 hook_abort_ = reinterpret_cast<void(*)()>(const_cast<void*>(hook)); 522 } else if (option == "-Xmethod-trace") { 523 method_trace_ = true; 524 } else if (StartsWith(option, "-Xmethod-trace-file:")) { 525 method_trace_file_ = option.substr(strlen("-Xmethod-trace-file:")); 526 } else if (StartsWith(option, "-Xmethod-trace-file-size:")) { 527 if (!ParseUnsignedInteger(option, ':', &method_trace_file_size_)) { 528 return false; 529 } 530 } else if (option == "-Xprofile:threadcpuclock") { 531 Trace::SetDefaultClockSource(kProfilerClockSourceThreadCpu); 532 } else if (option == "-Xprofile:wallclock") { 533 Trace::SetDefaultClockSource(kProfilerClockSourceWall); 534 } else if (option == "-Xprofile:dualclock") { 535 Trace::SetDefaultClockSource(kProfilerClockSourceDual); 536 } else if (StartsWith(option, "-Xprofile:")) { 537 if (!ParseStringAfterChar(option, ';', &profile_output_filename_)) { 538 return false; 539 } 540 profile_ = true; 541 } else if (StartsWith(option, "-Xprofile-period:")) { 542 if (!ParseUnsignedInteger(option, ':', &profile_period_s_)) { 543 return false; 544 } 545 } else if (StartsWith(option, "-Xprofile-duration:")) { 546 if (!ParseUnsignedInteger(option, ':', &profile_duration_s_)) { 547 return false; 548 } 549 } else if (StartsWith(option, "-Xprofile-interval:")) { 550 if (!ParseUnsignedInteger(option, ':', &profile_interval_us_)) { 551 return false; 552 } 553 } else if (StartsWith(option, "-Xprofile-backoff:")) { 554 if (!ParseDouble(option, ':', 1.0, 10.0, &profile_backoff_coefficient_)) { 555 return false; 556 } 557 } else if (option == "-Xprofile-start-lazy") { 558 profile_start_immediately_ = false; 559 } else if (StartsWith(option, "-implicit-checks:")) { 560 std::string checks; 561 if (!ParseStringAfterChar(option, ':', &checks)) { 562 return false; 563 } 564 std::vector<std::string> checkvec; 565 Split(checks, ',', checkvec); 566 for (auto& str : checkvec) { 567 std::string val = Trim(str); 568 if (val == "none") { 569 explicit_checks_ = kExplicitNullCheck | kExplicitSuspendCheck | 570 kExplicitStackOverflowCheck; 571 } else if (val == "null") { 572 explicit_checks_ &= ~kExplicitNullCheck; 573 } else if (val == "suspend") { 574 explicit_checks_ &= ~kExplicitSuspendCheck; 575 } else if (val == "stack") { 576 explicit_checks_ &= ~kExplicitStackOverflowCheck; 577 } else if (val == "all") { 578 explicit_checks_ = 0; 579 } else { 580 return false; 581 } 582 } 583 } else if (StartsWith(option, "-explicit-checks:")) { 584 std::string checks; 585 if (!ParseStringAfterChar(option, ':', &checks)) { 586 return false; 587 } 588 std::vector<std::string> checkvec; 589 Split(checks, ',', checkvec); 590 for (auto& str : checkvec) { 591 std::string val = Trim(str); 592 if (val == "none") { 593 explicit_checks_ = 0; 594 } else if (val == "null") { 595 explicit_checks_ |= kExplicitNullCheck; 596 } else if (val == "suspend") { 597 explicit_checks_ |= kExplicitSuspendCheck; 598 } else if (val == "stack") { 599 explicit_checks_ |= kExplicitStackOverflowCheck; 600 } else if (val == "all") { 601 explicit_checks_ = kExplicitNullCheck | kExplicitSuspendCheck | 602 kExplicitStackOverflowCheck; 603 } else { 604 return false; 605 } 606 } 607 } else if (option == "-Xcompiler-option") { 608 i++; 609 if (i == options.size()) { 610 Usage("Missing required compiler option for %s\n", option.c_str()); 611 return false; 612 } 613 compiler_options_.push_back(options[i].first); 614 } else if (option == "-Ximage-compiler-option") { 615 i++; 616 if (i == options.size()) { 617 Usage("Missing required compiler option for %s\n", option.c_str()); 618 return false; 619 } 620 image_compiler_options_.push_back(options[i].first); 621 } else if (StartsWith(option, "-Xverify:")) { 622 std::string verify_mode = option.substr(strlen("-Xverify:")); 623 if (verify_mode == "none") { 624 verify_ = false; 625 } else if (verify_mode == "remote" || verify_mode == "all") { 626 verify_ = true; 627 } else { 628 Usage("Unknown -Xverify option %s\n", verify_mode.c_str()); 629 return false; 630 } 631 } else if (StartsWith(option, "-ea") || 632 StartsWith(option, "-da") || 633 StartsWith(option, "-enableassertions") || 634 StartsWith(option, "-disableassertions") || 635 (option == "--runtime-arg") || 636 (option == "-esa") || 637 (option == "-dsa") || 638 (option == "-enablesystemassertions") || 639 (option == "-disablesystemassertions") || 640 (option == "-Xrs") || 641 StartsWith(option, "-Xint:") || 642 StartsWith(option, "-Xdexopt:") || 643 (option == "-Xnoquithandler") || 644 StartsWith(option, "-Xjniopts:") || 645 StartsWith(option, "-Xjnigreflimit:") || 646 (option == "-Xgenregmap") || 647 (option == "-Xnogenregmap") || 648 StartsWith(option, "-Xverifyopt:") || 649 (option == "-Xcheckdexsum") || 650 (option == "-Xincludeselectedop") || 651 StartsWith(option, "-Xjitop:") || 652 (option == "-Xincludeselectedmethod") || 653 StartsWith(option, "-Xjitthreshold:") || 654 StartsWith(option, "-Xjitcodecachesize:") || 655 (option == "-Xjitblocking") || 656 StartsWith(option, "-Xjitmethod:") || 657 StartsWith(option, "-Xjitclass:") || 658 StartsWith(option, "-Xjitoffset:") || 659 StartsWith(option, "-Xjitconfig:") || 660 (option == "-Xjitcheckcg") || 661 (option == "-Xjitverbose") || 662 (option == "-Xjitprofile") || 663 (option == "-Xjitdisableopt") || 664 (option == "-Xjitsuspendpoll") || 665 StartsWith(option, "-XX:mainThreadStackSize=")) { 666 // Ignored for backwards compatibility. 667 } else if (!ignore_unrecognized) { 668 Usage("Unrecognized option %s\n", option.c_str()); 669 return false; 670 } 671 } 672 673 // If a reference to the dalvik core.jar snuck in, replace it with 674 // the art specific version. This can happen with on device 675 // boot.art/boot.oat generation by GenerateImage which relies on the 676 // value of BOOTCLASSPATH. 677#if defined(ART_TARGET) 678 std::string core_jar("/core.jar"); 679 std::string core_libart_jar("/core-libart.jar"); 680#else 681 // The host uses hostdex files. 682 std::string core_jar("/core-hostdex.jar"); 683 std::string core_libart_jar("/core-libart-hostdex.jar"); 684#endif 685 size_t core_jar_pos = boot_class_path_string_.find(core_jar); 686 if (core_jar_pos != std::string::npos) { 687 boot_class_path_string_.replace(core_jar_pos, core_jar.size(), core_libart_jar); 688 } 689 690 if (compiler_callbacks_ == nullptr && image_.empty()) { 691 image_ += GetAndroidRoot(); 692 image_ += "/framework/boot.art"; 693 } 694 if (heap_growth_limit_ == 0) { 695 heap_growth_limit_ = heap_maximum_size_; 696 } 697 if (background_collector_type_ == gc::kCollectorTypeNone) { 698 background_collector_type_ = collector_type_; 699 } 700 return true; 701} // NOLINT(readability/fn_size) 702 703void ParsedOptions::Exit(int status) { 704 hook_exit_(status); 705} 706 707void ParsedOptions::Abort() { 708 hook_abort_(); 709} 710 711void ParsedOptions::UsageMessageV(FILE* stream, const char* fmt, va_list ap) { 712 hook_vfprintf_(stderr, fmt, ap); 713} 714 715void ParsedOptions::UsageMessage(FILE* stream, const char* fmt, ...) { 716 va_list ap; 717 va_start(ap, fmt); 718 UsageMessageV(stream, fmt, ap); 719 va_end(ap); 720} 721 722void ParsedOptions::Usage(const char* fmt, ...) { 723 bool error = (fmt != nullptr); 724 FILE* stream = error ? stderr : stdout; 725 726 if (fmt != nullptr) { 727 va_list ap; 728 va_start(ap, fmt); 729 UsageMessageV(stream, fmt, ap); 730 va_end(ap); 731 } 732 733 const char* program = "dalvikvm"; 734 UsageMessage(stream, "%s: [options] class [argument ...]\n", program); 735 UsageMessage(stream, "\n"); 736 UsageMessage(stream, "The following standard options are supported:\n"); 737 UsageMessage(stream, " -classpath classpath (-cp classpath)\n"); 738 UsageMessage(stream, " -Dproperty=value\n"); 739 UsageMessage(stream, " -verbose:tag ('gc', 'jni', or 'class')\n"); 740 UsageMessage(stream, " -showversion\n"); 741 UsageMessage(stream, " -help\n"); 742 UsageMessage(stream, " -agentlib:jdwp=options\n"); 743 UsageMessage(stream, "\n"); 744 745 UsageMessage(stream, "The following extended options are supported:\n"); 746 UsageMessage(stream, " -Xrunjdwp:<options>\n"); 747 UsageMessage(stream, " -Xbootclasspath:bootclasspath\n"); 748 UsageMessage(stream, " -Xcheck:tag (e.g. 'jni')\n"); 749 UsageMessage(stream, " -XmsN (min heap, must be multiple of 1K, >= 1MB)\n"); 750 UsageMessage(stream, " -XmxN (max heap, must be multiple of 1K, >= 2MB)\n"); 751 UsageMessage(stream, " -XssN (stack size)\n"); 752 UsageMessage(stream, " -Xint\n"); 753 UsageMessage(stream, "\n"); 754 755 UsageMessage(stream, "The following Dalvik options are supported:\n"); 756 UsageMessage(stream, " -Xzygote\n"); 757 UsageMessage(stream, " -Xjnitrace:substring (eg NativeClass or nativeMethod)\n"); 758 UsageMessage(stream, " -Xstacktracefile:<filename>\n"); 759 UsageMessage(stream, " -Xgc:[no]preverify\n"); 760 UsageMessage(stream, " -Xgc:[no]postverify\n"); 761 UsageMessage(stream, " -XX:+DisableExplicitGC\n"); 762 UsageMessage(stream, " -XX:HeapGrowthLimit=N\n"); 763 UsageMessage(stream, " -XX:HeapMinFree=N\n"); 764 UsageMessage(stream, " -XX:HeapMaxFree=N\n"); 765 UsageMessage(stream, " -XX:HeapTargetUtilization=doublevalue\n"); 766 UsageMessage(stream, " -XX:ForegroundHeapGrowthMultiplier=doublevalue\n"); 767 UsageMessage(stream, " -XX:LowMemoryMode\n"); 768 UsageMessage(stream, " -Xprofile:{threadcpuclock,wallclock,dualclock}\n"); 769 UsageMessage(stream, "\n"); 770 771 UsageMessage(stream, "The following unique to ART options are supported:\n"); 772 UsageMessage(stream, " -Xgc:[no]preverify_rosalloc\n"); 773 UsageMessage(stream, " -Xgc:[no]postsweepingverify_rosalloc\n"); 774 UsageMessage(stream, " -Xgc:[no]postverify_rosalloc\n"); 775 UsageMessage(stream, " -Xgc:[no]presweepingverify\n"); 776 UsageMessage(stream, " -Ximage:filename\n"); 777 UsageMessage(stream, " -XX:ParallelGCThreads=integervalue\n"); 778 UsageMessage(stream, " -XX:ConcGCThreads=integervalue\n"); 779 UsageMessage(stream, " -XX:MaxSpinsBeforeThinLockInflation=integervalue\n"); 780 UsageMessage(stream, " -XX:LongPauseLogThreshold=integervalue\n"); 781 UsageMessage(stream, " -XX:LongGCLogThreshold=integervalue\n"); 782 UsageMessage(stream, " -XX:DumpGCPerformanceOnShutdown\n"); 783 UsageMessage(stream, " -XX:IgnoreMaxFootprint\n"); 784 UsageMessage(stream, " -XX:UseTLAB\n"); 785 UsageMessage(stream, " -XX:BackgroundGC=none\n"); 786 UsageMessage(stream, " -Xmethod-trace\n"); 787 UsageMessage(stream, " -Xmethod-trace-file:filename"); 788 UsageMessage(stream, " -Xmethod-trace-file-size:integervalue\n"); 789 UsageMessage(stream, " -Xprofile=filename\n"); 790 UsageMessage(stream, " -Xprofile-period:integervalue\n"); 791 UsageMessage(stream, " -Xprofile-duration:integervalue\n"); 792 UsageMessage(stream, " -Xprofile-interval:integervalue\n"); 793 UsageMessage(stream, " -Xprofile-backoff:integervalue\n"); 794 UsageMessage(stream, " -Xcompiler-option dex2oat-option\n"); 795 UsageMessage(stream, " -Ximage-compiler-option dex2oat-option\n"); 796 UsageMessage(stream, "\n"); 797 798 UsageMessage(stream, "The following previously supported Dalvik options are ignored:\n"); 799 UsageMessage(stream, " -ea[:<package name>... |:<class name>]\n"); 800 UsageMessage(stream, " -da[:<package name>... |:<class name>]\n"); 801 UsageMessage(stream, " (-enableassertions, -disableassertions)\n"); 802 UsageMessage(stream, " -esa\n"); 803 UsageMessage(stream, " -dsa\n"); 804 UsageMessage(stream, " (-enablesystemassertions, -disablesystemassertions)\n"); 805 UsageMessage(stream, " -Xverify:{none,remote,all}\n"); 806 UsageMessage(stream, " -Xrs\n"); 807 UsageMessage(stream, " -Xint:portable, -Xint:fast, -Xint:jit\n"); 808 UsageMessage(stream, " -Xdexopt:{none,verified,all,full}\n"); 809 UsageMessage(stream, " -Xnoquithandler\n"); 810 UsageMessage(stream, " -Xjniopts:{warnonly,forcecopy}\n"); 811 UsageMessage(stream, " -Xjnigreflimit:integervalue\n"); 812 UsageMessage(stream, " -Xgc:[no]precise\n"); 813 UsageMessage(stream, " -Xgc:[no]verifycardtable\n"); 814 UsageMessage(stream, " -X[no]genregmap\n"); 815 UsageMessage(stream, " -Xverifyopt:[no]checkmon\n"); 816 UsageMessage(stream, " -Xcheckdexsum\n"); 817 UsageMessage(stream, " -Xincludeselectedop\n"); 818 UsageMessage(stream, " -Xjitop:hexopvalue[-endvalue][,hexopvalue[-endvalue]]*\n"); 819 UsageMessage(stream, " -Xincludeselectedmethod\n"); 820 UsageMessage(stream, " -Xjitthreshold:integervalue\n"); 821 UsageMessage(stream, " -Xjitcodecachesize:decimalvalueofkbytes\n"); 822 UsageMessage(stream, " -Xjitblocking\n"); 823 UsageMessage(stream, " -Xjitmethod:signature[,signature]* (eg Ljava/lang/String\\;replace)\n"); 824 UsageMessage(stream, " -Xjitclass:classname[,classname]*\n"); 825 UsageMessage(stream, " -Xjitoffset:offset[,offset]\n"); 826 UsageMessage(stream, " -Xjitconfig:filename\n"); 827 UsageMessage(stream, " -Xjitcheckcg\n"); 828 UsageMessage(stream, " -Xjitverbose\n"); 829 UsageMessage(stream, " -Xjitprofile\n"); 830 UsageMessage(stream, " -Xjitdisableopt\n"); 831 UsageMessage(stream, " -Xjitsuspendpoll\n"); 832 UsageMessage(stream, " -XX:mainThreadStackSize=N\n"); 833 UsageMessage(stream, "\n"); 834 835 Exit((error) ? 1 : 0); 836} 837 838bool ParsedOptions::ParseStringAfterChar(const std::string& s, char c, std::string* parsed_value) { 839 std::string::size_type colon = s.find(c); 840 if (colon == std::string::npos) { 841 Usage("Missing char %c in option %s\n", c, s.c_str()); 842 return false; 843 } 844 // Add one to remove the char we were trimming until. 845 *parsed_value = s.substr(colon + 1); 846 return true; 847} 848 849bool ParsedOptions::ParseInteger(const std::string& s, char after_char, int* parsed_value) { 850 std::string::size_type colon = s.find(after_char); 851 if (colon == std::string::npos) { 852 Usage("Missing char %c in option %s\n", after_char, s.c_str()); 853 return false; 854 } 855 const char* begin = &s[colon + 1]; 856 char* end; 857 size_t result = strtoul(begin, &end, 10); 858 if (begin == end || *end != '\0') { 859 Usage("Failed to parse integer from %s\n", s.c_str()); 860 return false; 861 } 862 *parsed_value = result; 863 return true; 864} 865 866bool ParsedOptions::ParseUnsignedInteger(const std::string& s, char after_char, 867 unsigned int* parsed_value) { 868 int i; 869 if (!ParseInteger(s, after_char, &i)) { 870 return false; 871 } 872 if (i < 0) { 873 Usage("Negative value %d passed for unsigned option %s\n", i, s.c_str()); 874 return false; 875 } 876 *parsed_value = i; 877 return true; 878} 879 880bool ParsedOptions::ParseDouble(const std::string& option, char after_char, 881 double min, double max, double* parsed_value) { 882 std::string substring; 883 if (!ParseStringAfterChar(option, after_char, &substring)) { 884 return false; 885 } 886 std::istringstream iss(substring); 887 double value; 888 iss >> value; 889 // Ensure that we have a value, there was no cruft after it and it satisfies a sensible range. 890 const bool sane_val = iss.eof() && (value >= min) && (value <= max); 891 if (!sane_val) { 892 Usage("Invalid double value %s for option %s\n", substring.c_str(), option.c_str()); 893 return false; 894 } 895 *parsed_value = value; 896 return true; 897} 898 899} // namespace art 900