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 19 #ifdef HAVE_ANDROID_OS 20 #include "cutils/properties.h" 21 #endif 22 23 #include "base/stringpiece.h" 24 #include "debugger.h" 25 #include "gc/heap.h" 26 #include "monitor.h" 27 #include "runtime.h" 28 #include "trace.h" 29 #include "utils.h" 30 31 namespace art { 32 33 ParsedOptions* ParsedOptions::Create(const RuntimeOptions& options, bool ignore_unrecognized) { 34 std::unique_ptr<ParsedOptions> parsed(new ParsedOptions()); 35 if (parsed->Parse(options, ignore_unrecognized)) { 36 return parsed.release(); 37 } 38 return nullptr; 39 } 40 41 // Parse a string of the form /[0-9]+[kKmMgG]?/, which is used to specify 42 // memory sizes. [kK] indicates kilobytes, [mM] megabytes, and 43 // [gG] gigabytes. 44 // 45 // "s" should point just past the "-Xm?" part of the string. 46 // "div" specifies a divisor, e.g. 1024 if the value must be a multiple 47 // of 1024. 48 // 49 // The spec says the -Xmx and -Xms options must be multiples of 1024. It 50 // doesn't say anything about -Xss. 51 // 52 // Returns 0 (a useless size) if "s" is malformed or specifies a low or 53 // non-evenly-divisible value. 54 // 55 size_t ParseMemoryOption(const char* s, size_t div) { 56 // strtoul accepts a leading [+-], which we don't want, 57 // so make sure our string starts with a decimal digit. 58 if (isdigit(*s)) { 59 char* s2; 60 size_t val = strtoul(s, &s2, 10); 61 if (s2 != s) { 62 // s2 should be pointing just after the number. 63 // If this is the end of the string, the user 64 // has specified a number of bytes. Otherwise, 65 // there should be exactly one more character 66 // that specifies a multiplier. 67 if (*s2 != '\0') { 68 // The remainder of the string is either a single multiplier 69 // character, or nothing to indicate that the value is in 70 // bytes. 71 char c = *s2++; 72 if (*s2 == '\0') { 73 size_t mul; 74 if (c == '\0') { 75 mul = 1; 76 } else if (c == 'k' || c == 'K') { 77 mul = KB; 78 } else if (c == 'm' || c == 'M') { 79 mul = MB; 80 } else if (c == 'g' || c == 'G') { 81 mul = GB; 82 } else { 83 // Unknown multiplier character. 84 return 0; 85 } 86 87 if (val <= std::numeric_limits<size_t>::max() / mul) { 88 val *= mul; 89 } else { 90 // Clamp to a multiple of 1024. 91 val = std::numeric_limits<size_t>::max() & ~(1024-1); 92 } 93 } else { 94 // There's more than one character after the numeric part. 95 return 0; 96 } 97 } 98 // The man page says that a -Xm value must be a multiple of 1024. 99 if (val % div == 0) { 100 return val; 101 } 102 } 103 } 104 return 0; 105 } 106 107 static gc::CollectorType ParseCollectorType(const std::string& option) { 108 if (option == "MS" || option == "nonconcurrent") { 109 return gc::kCollectorTypeMS; 110 } else if (option == "CMS" || option == "concurrent") { 111 return gc::kCollectorTypeCMS; 112 } else if (option == "SS") { 113 return gc::kCollectorTypeSS; 114 } else if (option == "GSS") { 115 return gc::kCollectorTypeGSS; 116 } else if (option == "CC") { 117 return gc::kCollectorTypeCC; 118 } else if (option == "MC") { 119 return gc::kCollectorTypeMC; 120 } else { 121 return gc::kCollectorTypeNone; 122 } 123 } 124 125 bool ParsedOptions::ParseXGcOption(const std::string& option) { 126 std::vector<std::string> gc_options; 127 Split(option.substr(strlen("-Xgc:")), ',', gc_options); 128 for (const std::string& gc_option : gc_options) { 129 gc::CollectorType collector_type = ParseCollectorType(gc_option); 130 if (collector_type != gc::kCollectorTypeNone) { 131 collector_type_ = collector_type; 132 } else if (gc_option == "preverify") { 133 verify_pre_gc_heap_ = true; 134 } else if (gc_option == "nopreverify") { 135 verify_pre_gc_heap_ = false; 136 } else if (gc_option == "presweepingverify") { 137 verify_pre_sweeping_heap_ = true; 138 } else if (gc_option == "nopresweepingverify") { 139 verify_pre_sweeping_heap_ = false; 140 } else if (gc_option == "postverify") { 141 verify_post_gc_heap_ = true; 142 } else if (gc_option == "nopostverify") { 143 verify_post_gc_heap_ = false; 144 } else if (gc_option == "preverify_rosalloc") { 145 verify_pre_gc_rosalloc_ = true; 146 } else if (gc_option == "nopreverify_rosalloc") { 147 verify_pre_gc_rosalloc_ = false; 148 } else if (gc_option == "presweepingverify_rosalloc") { 149 verify_pre_sweeping_rosalloc_ = true; 150 } else if (gc_option == "nopresweepingverify_rosalloc") { 151 verify_pre_sweeping_rosalloc_ = false; 152 } else if (gc_option == "postverify_rosalloc") { 153 verify_post_gc_rosalloc_ = true; 154 } else if (gc_option == "nopostverify_rosalloc") { 155 verify_post_gc_rosalloc_ = false; 156 } else if ((gc_option == "precise") || 157 (gc_option == "noprecise") || 158 (gc_option == "verifycardtable") || 159 (gc_option == "noverifycardtable")) { 160 // Ignored for backwards compatibility. 161 } else { 162 Usage("Unknown -Xgc option %s\n", gc_option.c_str()); 163 return false; 164 } 165 } 166 return true; 167 } 168 169 bool ParsedOptions::Parse(const RuntimeOptions& options, bool ignore_unrecognized) { 170 const char* boot_class_path_string = getenv("BOOTCLASSPATH"); 171 if (boot_class_path_string != NULL) { 172 boot_class_path_string_ = boot_class_path_string; 173 } 174 const char* class_path_string = getenv("CLASSPATH"); 175 if (class_path_string != NULL) { 176 class_path_string_ = class_path_string; 177 } 178 // -Xcheck:jni is off by default for regular builds but on by default in debug builds. 179 check_jni_ = kIsDebugBuild; 180 181 heap_initial_size_ = gc::Heap::kDefaultInitialSize; 182 heap_maximum_size_ = gc::Heap::kDefaultMaximumSize; 183 heap_min_free_ = gc::Heap::kDefaultMinFree; 184 heap_max_free_ = gc::Heap::kDefaultMaxFree; 185 heap_non_moving_space_capacity_ = gc::Heap::kDefaultNonMovingSpaceCapacity; 186 heap_target_utilization_ = gc::Heap::kDefaultTargetUtilization; 187 foreground_heap_growth_multiplier_ = gc::Heap::kDefaultHeapGrowthMultiplier; 188 heap_growth_limit_ = 0; // 0 means no growth limit . 189 // Default to number of processors minus one since the main GC thread also does work. 190 parallel_gc_threads_ = sysconf(_SC_NPROCESSORS_CONF) - 1; 191 // Only the main GC thread, no workers. 192 conc_gc_threads_ = 0; 193 // The default GC type is set in makefiles. 194 #if ART_DEFAULT_GC_TYPE_IS_CMS 195 collector_type_ = gc::kCollectorTypeCMS; 196 #elif ART_DEFAULT_GC_TYPE_IS_SS 197 collector_type_ = gc::kCollectorTypeSS; 198 #elif ART_DEFAULT_GC_TYPE_IS_GSS 199 collector_type_ = gc::kCollectorTypeGSS; 200 #else 201 #error "ART default GC type must be set" 202 #endif 203 // Enable hspace compaction on OOM by default. 204 use_homogeneous_space_compaction_for_oom_ = true; 205 // If background_collector_type_ is kCollectorTypeNone, it defaults to the collector_type_ after 206 // parsing options. If you set this to kCollectorTypeHSpaceCompact then we will do an hspace 207 // compaction when we transition to background instead of a normal collector transition. 208 background_collector_type_ = gc::kCollectorTypeNone; 209 #ifdef ART_USE_HSPACE_COMPACT 210 background_collector_type_ = gc::kCollectorTypeHomogeneousSpaceCompact; 211 #endif 212 #ifdef ART_USE_BACKGROUND_COMPACT 213 background_collector_type_ = gc::kCollectorTypeSS; 214 #endif 215 stack_size_ = 0; // 0 means default. 216 max_spins_before_thin_lock_inflation_ = Monitor::kDefaultMaxSpinsBeforeThinLockInflation; 217 low_memory_mode_ = false; 218 use_tlab_ = false; 219 min_interval_homogeneous_space_compaction_by_oom_ = MsToNs(100 * 1000); // 100s. 220 verify_pre_gc_heap_ = false; 221 // Pre sweeping is the one that usually fails if the GC corrupted the heap. 222 verify_pre_sweeping_heap_ = kIsDebugBuild; 223 verify_post_gc_heap_ = false; 224 verify_pre_gc_rosalloc_ = kIsDebugBuild; 225 verify_pre_sweeping_rosalloc_ = false; 226 verify_post_gc_rosalloc_ = false; 227 228 compiler_callbacks_ = nullptr; 229 is_zygote_ = false; 230 must_relocate_ = kDefaultMustRelocate; 231 dex2oat_enabled_ = true; 232 image_dex2oat_enabled_ = true; 233 if (kPoisonHeapReferences) { 234 // kPoisonHeapReferences currently works only with the interpreter only. 235 // TODO: make it work with the compiler. 236 interpreter_only_ = true; 237 } else { 238 interpreter_only_ = false; 239 } 240 is_explicit_gc_disabled_ = false; 241 242 long_pause_log_threshold_ = gc::Heap::kDefaultLongPauseLogThreshold; 243 long_gc_log_threshold_ = gc::Heap::kDefaultLongGCLogThreshold; 244 dump_gc_performance_on_shutdown_ = false; 245 ignore_max_footprint_ = false; 246 247 lock_profiling_threshold_ = 0; 248 hook_is_sensitive_thread_ = NULL; 249 250 hook_vfprintf_ = vfprintf; 251 hook_exit_ = exit; 252 hook_abort_ = NULL; // We don't call abort(3) by default; see Runtime::Abort. 253 254 // gLogVerbosity.class_linker = true; // TODO: don't check this in! 255 // gLogVerbosity.compiler = true; // TODO: don't check this in! 256 // gLogVerbosity.gc = true; // TODO: don't check this in! 257 // gLogVerbosity.heap = true; // TODO: don't check this in! 258 // gLogVerbosity.jdwp = true; // TODO: don't check this in! 259 // gLogVerbosity.jni = true; // TODO: don't check this in! 260 // gLogVerbosity.monitor = true; // TODO: don't check this in! 261 // gLogVerbosity.profiler = true; // TODO: don't check this in! 262 // gLogVerbosity.signals = true; // TODO: don't check this in! 263 // gLogVerbosity.startup = true; // TODO: don't check this in! 264 // gLogVerbosity.third_party_jni = true; // TODO: don't check this in! 265 // gLogVerbosity.threads = true; // TODO: don't check this in! 266 // gLogVerbosity.verifier = true; // TODO: don't check this in! 267 268 method_trace_ = false; 269 method_trace_file_ = "/data/method-trace-file.bin"; 270 method_trace_file_size_ = 10 * MB; 271 272 profile_clock_source_ = kDefaultTraceClockSource; 273 274 verify_ = true; 275 image_isa_ = kRuntimeISA; 276 277 for (size_t i = 0; i < options.size(); ++i) { 278 if (true && options[0].first == "-Xzygote") { 279 LOG(INFO) << "option[" << i << "]=" << options[i].first; 280 } 281 } 282 for (size_t i = 0; i < options.size(); ++i) { 283 const std::string option(options[i].first); 284 if (StartsWith(option, "-help")) { 285 Usage(nullptr); 286 return false; 287 } else if (StartsWith(option, "-showversion")) { 288 UsageMessage(stdout, "ART version %s\n", Runtime::GetVersion()); 289 Exit(0); 290 } else if (StartsWith(option, "-Xbootclasspath:")) { 291 boot_class_path_string_ = option.substr(strlen("-Xbootclasspath:")).data(); 292 LOG(INFO) << "setting boot class path to " << boot_class_path_string_; 293 } else if (option == "-classpath" || option == "-cp") { 294 // TODO: support -Djava.class.path 295 i++; 296 if (i == options.size()) { 297 Usage("Missing required class path value for %s\n", option.c_str()); 298 return false; 299 } 300 const StringPiece& value = options[i].first; 301 class_path_string_ = value.data(); 302 } else if (option == "bootclasspath") { 303 boot_class_path_ 304 = reinterpret_cast<const std::vector<const DexFile*>*>(options[i].second); 305 } else if (StartsWith(option, "-Ximage:")) { 306 if (!ParseStringAfterChar(option, ':', &image_)) { 307 return false; 308 } 309 } else if (StartsWith(option, "-Xcheck:jni")) { 310 check_jni_ = true; 311 } else if (StartsWith(option, "-Xrunjdwp:") || StartsWith(option, "-agentlib:jdwp=")) { 312 std::string tail(option.substr(option[1] == 'X' ? 10 : 15)); 313 // TODO: move parsing logic out of Dbg 314 if (tail == "help" || !Dbg::ParseJdwpOptions(tail)) { 315 if (tail != "help") { 316 UsageMessage(stderr, "Failed to parse JDWP option %s\n", tail.c_str()); 317 } 318 Usage("Example: -Xrunjdwp:transport=dt_socket,address=8000,server=y\n" 319 "Example: -Xrunjdwp:transport=dt_socket,address=localhost:6500,server=n\n"); 320 return false; 321 } 322 } else if (StartsWith(option, "-Xms")) { 323 size_t size = ParseMemoryOption(option.substr(strlen("-Xms")).c_str(), 1024); 324 if (size == 0) { 325 Usage("Failed to parse memory option %s\n", option.c_str()); 326 return false; 327 } 328 heap_initial_size_ = size; 329 } else if (StartsWith(option, "-Xmx")) { 330 size_t size = ParseMemoryOption(option.substr(strlen("-Xmx")).c_str(), 1024); 331 if (size == 0) { 332 Usage("Failed to parse memory option %s\n", option.c_str()); 333 return false; 334 } 335 heap_maximum_size_ = size; 336 } else if (StartsWith(option, "-XX:HeapGrowthLimit=")) { 337 size_t size = ParseMemoryOption(option.substr(strlen("-XX:HeapGrowthLimit=")).c_str(), 1024); 338 if (size == 0) { 339 Usage("Failed to parse memory option %s\n", option.c_str()); 340 return false; 341 } 342 heap_growth_limit_ = size; 343 } else if (StartsWith(option, "-XX:HeapMinFree=")) { 344 size_t size = ParseMemoryOption(option.substr(strlen("-XX:HeapMinFree=")).c_str(), 1024); 345 if (size == 0) { 346 Usage("Failed to parse memory option %s\n", option.c_str()); 347 return false; 348 } 349 heap_min_free_ = size; 350 } else if (StartsWith(option, "-XX:HeapMaxFree=")) { 351 size_t size = ParseMemoryOption(option.substr(strlen("-XX:HeapMaxFree=")).c_str(), 1024); 352 if (size == 0) { 353 Usage("Failed to parse memory option %s\n", option.c_str()); 354 return false; 355 } 356 heap_max_free_ = size; 357 } else if (StartsWith(option, "-XX:NonMovingSpaceCapacity=")) { 358 size_t size = ParseMemoryOption( 359 option.substr(strlen("-XX:NonMovingSpaceCapacity=")).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_non_moving_space_capacity_ = size; 365 } else if (StartsWith(option, "-XX:HeapTargetUtilization=")) { 366 if (!ParseDouble(option, '=', 0.1, 0.9, &heap_target_utilization_)) { 367 return false; 368 } 369 } else if (StartsWith(option, "-XX:ForegroundHeapGrowthMultiplier=")) { 370 if (!ParseDouble(option, '=', 0.1, 10.0, &foreground_heap_growth_multiplier_)) { 371 return false; 372 } 373 } else if (StartsWith(option, "-XX:ParallelGCThreads=")) { 374 if (!ParseUnsignedInteger(option, '=', ¶llel_gc_threads_)) { 375 return false; 376 } 377 } else if (StartsWith(option, "-XX:ConcGCThreads=")) { 378 if (!ParseUnsignedInteger(option, '=', &conc_gc_threads_)) { 379 return false; 380 } 381 } else if (StartsWith(option, "-Xss")) { 382 size_t size = ParseMemoryOption(option.substr(strlen("-Xss")).c_str(), 1); 383 if (size == 0) { 384 Usage("Failed to parse memory option %s\n", option.c_str()); 385 return false; 386 } 387 stack_size_ = size; 388 } else if (StartsWith(option, "-XX:MaxSpinsBeforeThinLockInflation=")) { 389 if (!ParseUnsignedInteger(option, '=', &max_spins_before_thin_lock_inflation_)) { 390 return false; 391 } 392 } else if (StartsWith(option, "-XX:LongPauseLogThreshold=")) { 393 unsigned int value; 394 if (!ParseUnsignedInteger(option, '=', &value)) { 395 return false; 396 } 397 long_pause_log_threshold_ = MsToNs(value); 398 } else if (StartsWith(option, "-XX:LongGCLogThreshold=")) { 399 unsigned int value; 400 if (!ParseUnsignedInteger(option, '=', &value)) { 401 return false; 402 } 403 long_gc_log_threshold_ = MsToNs(value); 404 } else if (option == "-XX:DumpGCPerformanceOnShutdown") { 405 dump_gc_performance_on_shutdown_ = true; 406 } else if (option == "-XX:IgnoreMaxFootprint") { 407 ignore_max_footprint_ = true; 408 } else if (option == "-XX:LowMemoryMode") { 409 low_memory_mode_ = true; 410 // TODO Might want to turn off must_relocate here. 411 } else if (option == "-XX:UseTLAB") { 412 use_tlab_ = true; 413 } else if (option == "-XX:EnableHSpaceCompactForOOM") { 414 use_homogeneous_space_compaction_for_oom_ = true; 415 } else if (option == "-XX:DisableHSpaceCompactForOOM") { 416 use_homogeneous_space_compaction_for_oom_ = false; 417 } else if (StartsWith(option, "-D")) { 418 properties_.push_back(option.substr(strlen("-D"))); 419 } else if (StartsWith(option, "-Xjnitrace:")) { 420 jni_trace_ = option.substr(strlen("-Xjnitrace:")); 421 } else if (option == "compilercallbacks") { 422 compiler_callbacks_ = 423 reinterpret_cast<CompilerCallbacks*>(const_cast<void*>(options[i].second)); 424 } else if (option == "imageinstructionset") { 425 const char* isa_str = reinterpret_cast<const char*>(options[i].second); 426 image_isa_ = GetInstructionSetFromString(isa_str); 427 if (image_isa_ == kNone) { 428 Usage("%s is not a valid instruction set.", isa_str); 429 return false; 430 } 431 } else if (option == "-Xzygote") { 432 is_zygote_ = true; 433 } else if (StartsWith(option, "-Xpatchoat:")) { 434 if (!ParseStringAfterChar(option, ':', &patchoat_executable_)) { 435 return false; 436 } 437 } else if (option == "-Xrelocate") { 438 must_relocate_ = true; 439 } else if (option == "-Xnorelocate") { 440 must_relocate_ = false; 441 } else if (option == "-Xnodex2oat") { 442 dex2oat_enabled_ = false; 443 } else if (option == "-Xdex2oat") { 444 dex2oat_enabled_ = true; 445 } else if (option == "-Xnoimage-dex2oat") { 446 image_dex2oat_enabled_ = false; 447 } else if (option == "-Ximage-dex2oat") { 448 image_dex2oat_enabled_ = true; 449 } else if (option == "-Xint") { 450 interpreter_only_ = true; 451 } else if (StartsWith(option, "-Xgc:")) { 452 if (!ParseXGcOption(option)) { 453 return false; 454 } 455 } else if (StartsWith(option, "-XX:BackgroundGC=")) { 456 std::string substring; 457 if (!ParseStringAfterChar(option, '=', &substring)) { 458 return false; 459 } 460 // Special handling for HSpaceCompact since this is only valid as a background GC type. 461 if (substring == "HSpaceCompact") { 462 background_collector_type_ = gc::kCollectorTypeHomogeneousSpaceCompact; 463 } else { 464 gc::CollectorType collector_type = ParseCollectorType(substring); 465 if (collector_type != gc::kCollectorTypeNone) { 466 background_collector_type_ = collector_type; 467 } else { 468 Usage("Unknown -XX:BackgroundGC option %s\n", substring.c_str()); 469 return false; 470 } 471 } 472 } else if (option == "-XX:+DisableExplicitGC") { 473 is_explicit_gc_disabled_ = true; 474 } else if (StartsWith(option, "-verbose:")) { 475 std::vector<std::string> verbose_options; 476 Split(option.substr(strlen("-verbose:")), ',', verbose_options); 477 for (size_t i = 0; i < verbose_options.size(); ++i) { 478 if (verbose_options[i] == "class") { 479 gLogVerbosity.class_linker = true; 480 } else if (verbose_options[i] == "compiler") { 481 gLogVerbosity.compiler = true; 482 } else if (verbose_options[i] == "gc") { 483 gLogVerbosity.gc = true; 484 } else if (verbose_options[i] == "heap") { 485 gLogVerbosity.heap = true; 486 } else if (verbose_options[i] == "jdwp") { 487 gLogVerbosity.jdwp = true; 488 } else if (verbose_options[i] == "jni") { 489 gLogVerbosity.jni = true; 490 } else if (verbose_options[i] == "monitor") { 491 gLogVerbosity.monitor = true; 492 } else if (verbose_options[i] == "profiler") { 493 gLogVerbosity.profiler = true; 494 } else if (verbose_options[i] == "signals") { 495 gLogVerbosity.signals = true; 496 } else if (verbose_options[i] == "startup") { 497 gLogVerbosity.startup = true; 498 } else if (verbose_options[i] == "third-party-jni") { 499 gLogVerbosity.third_party_jni = true; 500 } else if (verbose_options[i] == "threads") { 501 gLogVerbosity.threads = true; 502 } else if (verbose_options[i] == "verifier") { 503 gLogVerbosity.verifier = true; 504 } else { 505 Usage("Unknown -verbose option %s\n", verbose_options[i].c_str()); 506 return false; 507 } 508 } 509 } else if (StartsWith(option, "-verbose-methods:")) { 510 gLogVerbosity.compiler = false; 511 Split(option.substr(strlen("-verbose-methods:")), ',', gVerboseMethods); 512 } else if (StartsWith(option, "-Xlockprofthreshold:")) { 513 if (!ParseUnsignedInteger(option, ':', &lock_profiling_threshold_)) { 514 return false; 515 } 516 } else if (StartsWith(option, "-Xstacktracefile:")) { 517 if (!ParseStringAfterChar(option, ':', &stack_trace_file_)) { 518 return false; 519 } 520 } else if (option == "sensitiveThread") { 521 const void* hook = options[i].second; 522 hook_is_sensitive_thread_ = reinterpret_cast<bool (*)()>(const_cast<void*>(hook)); 523 } else if (option == "vfprintf") { 524 const void* hook = options[i].second; 525 if (hook == nullptr) { 526 Usage("vfprintf argument was NULL"); 527 return false; 528 } 529 hook_vfprintf_ = 530 reinterpret_cast<int (*)(FILE *, const char*, va_list)>(const_cast<void*>(hook)); 531 } else if (option == "exit") { 532 const void* hook = options[i].second; 533 if (hook == nullptr) { 534 Usage("exit argument was NULL"); 535 return false; 536 } 537 hook_exit_ = reinterpret_cast<void(*)(jint)>(const_cast<void*>(hook)); 538 } else if (option == "abort") { 539 const void* hook = options[i].second; 540 if (hook == nullptr) { 541 Usage("abort was NULL\n"); 542 return false; 543 } 544 hook_abort_ = reinterpret_cast<void(*)()>(const_cast<void*>(hook)); 545 } else if (option == "-Xmethod-trace") { 546 method_trace_ = true; 547 } else if (StartsWith(option, "-Xmethod-trace-file:")) { 548 method_trace_file_ = option.substr(strlen("-Xmethod-trace-file:")); 549 } else if (StartsWith(option, "-Xmethod-trace-file-size:")) { 550 if (!ParseUnsignedInteger(option, ':', &method_trace_file_size_)) { 551 return false; 552 } 553 } else if (option == "-Xprofile:threadcpuclock") { 554 Trace::SetDefaultClockSource(kTraceClockSourceThreadCpu); 555 } else if (option == "-Xprofile:wallclock") { 556 Trace::SetDefaultClockSource(kTraceClockSourceWall); 557 } else if (option == "-Xprofile:dualclock") { 558 Trace::SetDefaultClockSource(kTraceClockSourceDual); 559 } else if (option == "-Xenable-profiler") { 560 profiler_options_.enabled_ = true; 561 } else if (StartsWith(option, "-Xprofile-filename:")) { 562 if (!ParseStringAfterChar(option, ':', &profile_output_filename_)) { 563 return false; 564 } 565 } else if (StartsWith(option, "-Xprofile-period:")) { 566 if (!ParseUnsignedInteger(option, ':', &profiler_options_.period_s_)) { 567 return false; 568 } 569 } else if (StartsWith(option, "-Xprofile-duration:")) { 570 if (!ParseUnsignedInteger(option, ':', &profiler_options_.duration_s_)) { 571 return false; 572 } 573 } else if (StartsWith(option, "-Xprofile-interval:")) { 574 if (!ParseUnsignedInteger(option, ':', &profiler_options_.interval_us_)) { 575 return false; 576 } 577 } else if (StartsWith(option, "-Xprofile-backoff:")) { 578 if (!ParseDouble(option, ':', 1.0, 10.0, &profiler_options_.backoff_coefficient_)) { 579 return false; 580 } 581 } else if (option == "-Xprofile-start-immediately") { 582 profiler_options_.start_immediately_ = true; 583 } else if (StartsWith(option, "-Xprofile-top-k-threshold:")) { 584 if (!ParseDouble(option, ':', 0.0, 100.0, &profiler_options_.top_k_threshold_)) { 585 return false; 586 } 587 } else if (StartsWith(option, "-Xprofile-top-k-change-threshold:")) { 588 if (!ParseDouble(option, ':', 0.0, 100.0, &profiler_options_.top_k_change_threshold_)) { 589 return false; 590 } 591 } else if (option == "-Xprofile-type:method") { 592 profiler_options_.profile_type_ = kProfilerMethod; 593 } else if (option == "-Xprofile-type:stack") { 594 profiler_options_.profile_type_ = kProfilerBoundedStack; 595 } else if (StartsWith(option, "-Xprofile-max-stack-depth:")) { 596 if (!ParseUnsignedInteger(option, ':', &profiler_options_.max_stack_depth_)) { 597 return false; 598 } 599 } else if (StartsWith(option, "-Xcompiler:")) { 600 if (!ParseStringAfterChar(option, ':', &compiler_executable_)) { 601 return false; 602 } 603 } else if (option == "-Xcompiler-option") { 604 i++; 605 if (i == options.size()) { 606 Usage("Missing required compiler option for %s\n", option.c_str()); 607 return false; 608 } 609 compiler_options_.push_back(options[i].first); 610 } else if (option == "-Ximage-compiler-option") { 611 i++; 612 if (i == options.size()) { 613 Usage("Missing required compiler option for %s\n", option.c_str()); 614 return false; 615 } 616 image_compiler_options_.push_back(options[i].first); 617 } else if (StartsWith(option, "-Xverify:")) { 618 std::string verify_mode = option.substr(strlen("-Xverify:")); 619 if (verify_mode == "none") { 620 verify_ = false; 621 } else if (verify_mode == "remote" || verify_mode == "all") { 622 verify_ = true; 623 } else { 624 Usage("Unknown -Xverify option %s\n", verify_mode.c_str()); 625 return false; 626 } 627 } else if (StartsWith(option, "-XX:NativeBridge=")) { 628 if (!ParseStringAfterChar(option, '=', &native_bridge_library_filename_)) { 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 // If not set, background collector type defaults to homogeneous compaction 673 // if not low memory mode, semispace otherwise. 674 if (background_collector_type_ == gc::kCollectorTypeNone) { 675 background_collector_type_ = low_memory_mode_ ? 676 gc::kCollectorTypeSS : gc::kCollectorTypeHomogeneousSpaceCompact; 677 } 678 679 // If a reference to the dalvik core.jar snuck in, replace it with 680 // the art specific version. This can happen with on device 681 // boot.art/boot.oat generation by GenerateImage which relies on the 682 // value of BOOTCLASSPATH. 683 #if defined(ART_TARGET) 684 std::string core_jar("/core.jar"); 685 std::string core_libart_jar("/core-libart.jar"); 686 #else 687 // The host uses hostdex files. 688 std::string core_jar("/core-hostdex.jar"); 689 std::string core_libart_jar("/core-libart-hostdex.jar"); 690 #endif 691 size_t core_jar_pos = boot_class_path_string_.find(core_jar); 692 if (core_jar_pos != std::string::npos) { 693 boot_class_path_string_.replace(core_jar_pos, core_jar.size(), core_libart_jar); 694 } 695 696 if (compiler_callbacks_ == nullptr && image_.empty()) { 697 image_ += GetAndroidRoot(); 698 image_ += "/framework/boot.art"; 699 } 700 if (heap_growth_limit_ == 0) { 701 heap_growth_limit_ = heap_maximum_size_; 702 } 703 if (background_collector_type_ == gc::kCollectorTypeNone) { 704 background_collector_type_ = collector_type_; 705 } 706 return true; 707 } // NOLINT(readability/fn_size) 708 709 void ParsedOptions::Exit(int status) { 710 hook_exit_(status); 711 } 712 713 void ParsedOptions::Abort() { 714 hook_abort_(); 715 } 716 717 void ParsedOptions::UsageMessageV(FILE* stream, const char* fmt, va_list ap) { 718 hook_vfprintf_(stderr, fmt, ap); 719 } 720 721 void ParsedOptions::UsageMessage(FILE* stream, const char* fmt, ...) { 722 va_list ap; 723 va_start(ap, fmt); 724 UsageMessageV(stream, fmt, ap); 725 va_end(ap); 726 } 727 728 void ParsedOptions::Usage(const char* fmt, ...) { 729 bool error = (fmt != nullptr); 730 FILE* stream = error ? stderr : stdout; 731 732 if (fmt != nullptr) { 733 va_list ap; 734 va_start(ap, fmt); 735 UsageMessageV(stream, fmt, ap); 736 va_end(ap); 737 } 738 739 const char* program = "dalvikvm"; 740 UsageMessage(stream, "%s: [options] class [argument ...]\n", program); 741 UsageMessage(stream, "\n"); 742 UsageMessage(stream, "The following standard options are supported:\n"); 743 UsageMessage(stream, " -classpath classpath (-cp classpath)\n"); 744 UsageMessage(stream, " -Dproperty=value\n"); 745 UsageMessage(stream, " -verbose:tag ('gc', 'jni', or 'class')\n"); 746 UsageMessage(stream, " -showversion\n"); 747 UsageMessage(stream, " -help\n"); 748 UsageMessage(stream, " -agentlib:jdwp=options\n"); 749 UsageMessage(stream, "\n"); 750 751 UsageMessage(stream, "The following extended options are supported:\n"); 752 UsageMessage(stream, " -Xrunjdwp:<options>\n"); 753 UsageMessage(stream, " -Xbootclasspath:bootclasspath\n"); 754 UsageMessage(stream, " -Xcheck:tag (e.g. 'jni')\n"); 755 UsageMessage(stream, " -XmsN (min heap, must be multiple of 1K, >= 1MB)\n"); 756 UsageMessage(stream, " -XmxN (max heap, must be multiple of 1K, >= 2MB)\n"); 757 UsageMessage(stream, " -XssN (stack size)\n"); 758 UsageMessage(stream, " -Xint\n"); 759 UsageMessage(stream, "\n"); 760 761 UsageMessage(stream, "The following Dalvik options are supported:\n"); 762 UsageMessage(stream, " -Xzygote\n"); 763 UsageMessage(stream, " -Xjnitrace:substring (eg NativeClass or nativeMethod)\n"); 764 UsageMessage(stream, " -Xstacktracefile:<filename>\n"); 765 UsageMessage(stream, " -Xgc:[no]preverify\n"); 766 UsageMessage(stream, " -Xgc:[no]postverify\n"); 767 UsageMessage(stream, " -XX:+DisableExplicitGC\n"); 768 UsageMessage(stream, " -XX:HeapGrowthLimit=N\n"); 769 UsageMessage(stream, " -XX:HeapMinFree=N\n"); 770 UsageMessage(stream, " -XX:HeapMaxFree=N\n"); 771 UsageMessage(stream, " -XX:NonMovingSpaceCapacity=N\n"); 772 UsageMessage(stream, " -XX:HeapTargetUtilization=doublevalue\n"); 773 UsageMessage(stream, " -XX:ForegroundHeapGrowthMultiplier=doublevalue\n"); 774 UsageMessage(stream, " -XX:LowMemoryMode\n"); 775 UsageMessage(stream, " -Xprofile:{threadcpuclock,wallclock,dualclock}\n"); 776 UsageMessage(stream, "\n"); 777 778 UsageMessage(stream, "The following unique to ART options are supported:\n"); 779 UsageMessage(stream, " -Xgc:[no]preverify_rosalloc\n"); 780 UsageMessage(stream, " -Xgc:[no]postsweepingverify_rosalloc\n"); 781 UsageMessage(stream, " -Xgc:[no]postverify_rosalloc\n"); 782 UsageMessage(stream, " -Xgc:[no]presweepingverify\n"); 783 UsageMessage(stream, " -Ximage:filename\n"); 784 UsageMessage(stream, " -XX:ParallelGCThreads=integervalue\n"); 785 UsageMessage(stream, " -XX:ConcGCThreads=integervalue\n"); 786 UsageMessage(stream, " -XX:MaxSpinsBeforeThinLockInflation=integervalue\n"); 787 UsageMessage(stream, " -XX:LongPauseLogThreshold=integervalue\n"); 788 UsageMessage(stream, " -XX:LongGCLogThreshold=integervalue\n"); 789 UsageMessage(stream, " -XX:DumpGCPerformanceOnShutdown\n"); 790 UsageMessage(stream, " -XX:IgnoreMaxFootprint\n"); 791 UsageMessage(stream, " -XX:UseTLAB\n"); 792 UsageMessage(stream, " -XX:BackgroundGC=none\n"); 793 UsageMessage(stream, " -Xmethod-trace\n"); 794 UsageMessage(stream, " -Xmethod-trace-file:filename"); 795 UsageMessage(stream, " -Xmethod-trace-file-size:integervalue\n"); 796 UsageMessage(stream, " -Xenable-profiler\n"); 797 UsageMessage(stream, " -Xprofile-filename:filename\n"); 798 UsageMessage(stream, " -Xprofile-period:integervalue\n"); 799 UsageMessage(stream, " -Xprofile-duration:integervalue\n"); 800 UsageMessage(stream, " -Xprofile-interval:integervalue\n"); 801 UsageMessage(stream, " -Xprofile-backoff:doublevalue\n"); 802 UsageMessage(stream, " -Xprofile-start-immediately\n"); 803 UsageMessage(stream, " -Xprofile-top-k-threshold:doublevalue\n"); 804 UsageMessage(stream, " -Xprofile-top-k-change-threshold:doublevalue\n"); 805 UsageMessage(stream, " -Xprofile-type:{method,stack}\n"); 806 UsageMessage(stream, " -Xprofile-max-stack-depth:integervalue\n"); 807 UsageMessage(stream, " -Xcompiler:filename\n"); 808 UsageMessage(stream, " -Xcompiler-option dex2oat-option\n"); 809 UsageMessage(stream, " -Ximage-compiler-option dex2oat-option\n"); 810 UsageMessage(stream, " -Xpatchoat:filename\n"); 811 UsageMessage(stream, " -X[no]relocate\n"); 812 UsageMessage(stream, " -X[no]dex2oat (Whether to invoke dex2oat on the application)\n"); 813 UsageMessage(stream, " -X[no]image-dex2oat (Whether to create and use a boot image)\n"); 814 UsageMessage(stream, "\n"); 815 816 UsageMessage(stream, "The following previously supported Dalvik options are ignored:\n"); 817 UsageMessage(stream, " -ea[:<package name>... |:<class name>]\n"); 818 UsageMessage(stream, " -da[:<package name>... |:<class name>]\n"); 819 UsageMessage(stream, " (-enableassertions, -disableassertions)\n"); 820 UsageMessage(stream, " -esa\n"); 821 UsageMessage(stream, " -dsa\n"); 822 UsageMessage(stream, " (-enablesystemassertions, -disablesystemassertions)\n"); 823 UsageMessage(stream, " -Xverify:{none,remote,all}\n"); 824 UsageMessage(stream, " -Xrs\n"); 825 UsageMessage(stream, " -Xint:portable, -Xint:fast, -Xint:jit\n"); 826 UsageMessage(stream, " -Xdexopt:{none,verified,all,full}\n"); 827 UsageMessage(stream, " -Xnoquithandler\n"); 828 UsageMessage(stream, " -Xjniopts:{warnonly,forcecopy}\n"); 829 UsageMessage(stream, " -Xjnigreflimit:integervalue\n"); 830 UsageMessage(stream, " -Xgc:[no]precise\n"); 831 UsageMessage(stream, " -Xgc:[no]verifycardtable\n"); 832 UsageMessage(stream, " -X[no]genregmap\n"); 833 UsageMessage(stream, " -Xverifyopt:[no]checkmon\n"); 834 UsageMessage(stream, " -Xcheckdexsum\n"); 835 UsageMessage(stream, " -Xincludeselectedop\n"); 836 UsageMessage(stream, " -Xjitop:hexopvalue[-endvalue][,hexopvalue[-endvalue]]*\n"); 837 UsageMessage(stream, " -Xincludeselectedmethod\n"); 838 UsageMessage(stream, " -Xjitthreshold:integervalue\n"); 839 UsageMessage(stream, " -Xjitcodecachesize:decimalvalueofkbytes\n"); 840 UsageMessage(stream, " -Xjitblocking\n"); 841 UsageMessage(stream, " -Xjitmethod:signature[,signature]* (eg Ljava/lang/String\\;replace)\n"); 842 UsageMessage(stream, " -Xjitclass:classname[,classname]*\n"); 843 UsageMessage(stream, " -Xjitoffset:offset[,offset]\n"); 844 UsageMessage(stream, " -Xjitconfig:filename\n"); 845 UsageMessage(stream, " -Xjitcheckcg\n"); 846 UsageMessage(stream, " -Xjitverbose\n"); 847 UsageMessage(stream, " -Xjitprofile\n"); 848 UsageMessage(stream, " -Xjitdisableopt\n"); 849 UsageMessage(stream, " -Xjitsuspendpoll\n"); 850 UsageMessage(stream, " -XX:mainThreadStackSize=N\n"); 851 UsageMessage(stream, "\n"); 852 853 Exit((error) ? 1 : 0); 854 } 855 856 bool ParsedOptions::ParseStringAfterChar(const std::string& s, char c, std::string* parsed_value) { 857 std::string::size_type colon = s.find(c); 858 if (colon == std::string::npos) { 859 Usage("Missing char %c in option %s\n", c, s.c_str()); 860 return false; 861 } 862 // Add one to remove the char we were trimming until. 863 *parsed_value = s.substr(colon + 1); 864 return true; 865 } 866 867 bool ParsedOptions::ParseInteger(const std::string& s, char after_char, int* parsed_value) { 868 std::string::size_type colon = s.find(after_char); 869 if (colon == std::string::npos) { 870 Usage("Missing char %c in option %s\n", after_char, s.c_str()); 871 return false; 872 } 873 const char* begin = &s[colon + 1]; 874 char* end; 875 size_t result = strtoul(begin, &end, 10); 876 if (begin == end || *end != '\0') { 877 Usage("Failed to parse integer from %s\n", s.c_str()); 878 return false; 879 } 880 *parsed_value = result; 881 return true; 882 } 883 884 bool ParsedOptions::ParseUnsignedInteger(const std::string& s, char after_char, 885 unsigned int* parsed_value) { 886 int i; 887 if (!ParseInteger(s, after_char, &i)) { 888 return false; 889 } 890 if (i < 0) { 891 Usage("Negative value %d passed for unsigned option %s\n", i, s.c_str()); 892 return false; 893 } 894 *parsed_value = i; 895 return true; 896 } 897 898 bool ParsedOptions::ParseDouble(const std::string& option, char after_char, 899 double min, double max, double* parsed_value) { 900 std::string substring; 901 if (!ParseStringAfterChar(option, after_char, &substring)) { 902 return false; 903 } 904 bool sane_val = true; 905 double value; 906 if (false) { 907 // TODO: this doesn't seem to work on the emulator. b/15114595 908 std::stringstream iss(substring); 909 iss >> value; 910 // Ensure that we have a value, there was no cruft after it and it satisfies a sensible range. 911 sane_val = iss.eof() && (value >= min) && (value <= max); 912 } else { 913 char* end = nullptr; 914 value = strtod(substring.c_str(), &end); 915 sane_val = *end == '\0' && value >= min && value <= max; 916 } 917 if (!sane_val) { 918 Usage("Invalid double value %s for option %s\n", substring.c_str(), option.c_str()); 919 return false; 920 } 921 *parsed_value = value; 922 return true; 923 } 924 925 } // namespace art 926
