parsed_options.cc revision 2d5a21cf732ebc00396eedb3b97e951c65ec1449
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 31namespace art { 32 33ParsedOptions* 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// 55size_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 107static 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 125bool 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 169bool 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_target_utilization_ = gc::Heap::kDefaultTargetUtilization; 186 foreground_heap_growth_multiplier_ = gc::Heap::kDefaultHeapGrowthMultiplier; 187 heap_growth_limit_ = 0; // 0 means no growth limit . 188 // Default to number of processors minus one since the main GC thread also does work. 189 parallel_gc_threads_ = sysconf(_SC_NPROCESSORS_CONF) - 1; 190 // Only the main GC thread, no workers. 191 conc_gc_threads_ = 0; 192 // The default GC type is set in makefiles. 193#if ART_DEFAULT_GC_TYPE_IS_CMS 194 collector_type_ = gc::kCollectorTypeCMS; 195#elif ART_DEFAULT_GC_TYPE_IS_SS 196 collector_type_ = gc::kCollectorTypeSS; 197#elif ART_DEFAULT_GC_TYPE_IS_GSS 198 collector_type_ = gc::kCollectorTypeGSS; 199#else 200#error "ART default GC type must be set" 201#endif 202 // If we are using homogeneous space compaction then default background compaction to off since 203 // homogeneous space compactions when we transition to not jank perceptible. 204 use_homogeneous_space_compaction_for_oom_ = false; 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#ifdef ART_USE_HSPACE_COMPACT 209 background_collector_type_ = gc::kCollectorTypeHomogeneousSpaceCompact; 210#else 211 background_collector_type_ = gc::kCollectorTypeSS; 212#endif 213 stack_size_ = 0; // 0 means default. 214 max_spins_before_thin_lock_inflation_ = Monitor::kDefaultMaxSpinsBeforeThinLockInflation; 215 low_memory_mode_ = false; 216 use_tlab_ = false; 217 min_interval_homogeneous_space_compaction_by_oom_ = MsToNs(100 * 1000); // 100s. 218 verify_pre_gc_heap_ = false; 219 // Pre sweeping is the one that usually fails if the GC corrupted the heap. 220 verify_pre_sweeping_heap_ = kIsDebugBuild; 221 verify_post_gc_heap_ = false; 222 verify_pre_gc_rosalloc_ = kIsDebugBuild; 223 verify_pre_sweeping_rosalloc_ = false; 224 verify_post_gc_rosalloc_ = false; 225 226 compiler_callbacks_ = nullptr; 227 is_zygote_ = false; 228 must_relocate_ = kDefaultMustRelocate; 229 if (kPoisonHeapReferences) { 230 // kPoisonHeapReferences currently works only with the interpreter only. 231 // TODO: make it work with the compiler. 232 interpreter_only_ = true; 233 } else { 234 interpreter_only_ = false; 235 } 236 is_explicit_gc_disabled_ = false; 237 238 long_pause_log_threshold_ = gc::Heap::kDefaultLongPauseLogThreshold; 239 long_gc_log_threshold_ = gc::Heap::kDefaultLongGCLogThreshold; 240 dump_gc_performance_on_shutdown_ = false; 241 ignore_max_footprint_ = false; 242 243 lock_profiling_threshold_ = 0; 244 hook_is_sensitive_thread_ = NULL; 245 246 hook_vfprintf_ = vfprintf; 247 hook_exit_ = exit; 248 hook_abort_ = NULL; // We don't call abort(3) by default; see Runtime::Abort. 249 250// gLogVerbosity.class_linker = true; // TODO: don't check this in! 251// gLogVerbosity.compiler = true; // TODO: don't check this in! 252// gLogVerbosity.gc = true; // TODO: don't check this in! 253// gLogVerbosity.heap = true; // TODO: don't check this in! 254// gLogVerbosity.jdwp = true; // TODO: don't check this in! 255// gLogVerbosity.jni = true; // TODO: don't check this in! 256// gLogVerbosity.monitor = true; // TODO: don't check this in! 257// gLogVerbosity.profiler = true; // TODO: don't check this in! 258// gLogVerbosity.signals = true; // TODO: don't check this in! 259// gLogVerbosity.startup = true; // TODO: don't check this in! 260// gLogVerbosity.third_party_jni = true; // TODO: don't check this in! 261// gLogVerbosity.threads = true; // TODO: don't check this in! 262// gLogVerbosity.verifier = true; // TODO: don't check this in! 263 264 method_trace_ = false; 265 method_trace_file_ = "/data/method-trace-file.bin"; 266 method_trace_file_size_ = 10 * MB; 267 268 profile_clock_source_ = kDefaultTraceClockSource; 269 270 verify_ = true; 271 image_isa_ = kRuntimeISA; 272 273 for (size_t i = 0; i < options.size(); ++i) { 274 if (true && options[0].first == "-Xzygote") { 275 LOG(INFO) << "option[" << i << "]=" << options[i].first; 276 } 277 } 278 for (size_t i = 0; i < options.size(); ++i) { 279 const std::string option(options[i].first); 280 if (StartsWith(option, "-help")) { 281 Usage(nullptr); 282 return false; 283 } else if (StartsWith(option, "-showversion")) { 284 UsageMessage(stdout, "ART version %s\n", Runtime::GetVersion()); 285 Exit(0); 286 } else if (StartsWith(option, "-Xbootclasspath:")) { 287 boot_class_path_string_ = option.substr(strlen("-Xbootclasspath:")).data(); 288 LOG(INFO) << "setting boot class path to " << boot_class_path_string_; 289 } else if (option == "-classpath" || option == "-cp") { 290 // TODO: support -Djava.class.path 291 i++; 292 if (i == options.size()) { 293 Usage("Missing required class path value for %s\n", option.c_str()); 294 return false; 295 } 296 const StringPiece& value = options[i].first; 297 class_path_string_ = value.data(); 298 } else if (option == "bootclasspath") { 299 boot_class_path_ 300 = reinterpret_cast<const std::vector<const DexFile*>*>(options[i].second); 301 } else if (StartsWith(option, "-Ximage:")) { 302 if (!ParseStringAfterChar(option, ':', &image_)) { 303 return false; 304 } 305 } else if (StartsWith(option, "-Xcheck:jni")) { 306 check_jni_ = true; 307 } else if (StartsWith(option, "-Xrunjdwp:") || StartsWith(option, "-agentlib:jdwp=")) { 308 std::string tail(option.substr(option[1] == 'X' ? 10 : 15)); 309 // TODO: move parsing logic out of Dbg 310 if (tail == "help" || !Dbg::ParseJdwpOptions(tail)) { 311 if (tail != "help") { 312 UsageMessage(stderr, "Failed to parse JDWP option %s\n", tail.c_str()); 313 } 314 Usage("Example: -Xrunjdwp:transport=dt_socket,address=8000,server=y\n" 315 "Example: -Xrunjdwp:transport=dt_socket,address=localhost:6500,server=n\n"); 316 return false; 317 } 318 } else if (StartsWith(option, "-Xms")) { 319 size_t size = ParseMemoryOption(option.substr(strlen("-Xms")).c_str(), 1024); 320 if (size == 0) { 321 Usage("Failed to parse memory option %s\n", option.c_str()); 322 return false; 323 } 324 heap_initial_size_ = size; 325 } else if (StartsWith(option, "-Xmx")) { 326 size_t size = ParseMemoryOption(option.substr(strlen("-Xmx")).c_str(), 1024); 327 if (size == 0) { 328 Usage("Failed to parse memory option %s\n", option.c_str()); 329 return false; 330 } 331 heap_maximum_size_ = size; 332 } else if (StartsWith(option, "-XX:HeapGrowthLimit=")) { 333 size_t size = ParseMemoryOption(option.substr(strlen("-XX:HeapGrowthLimit=")).c_str(), 1024); 334 if (size == 0) { 335 Usage("Failed to parse memory option %s\n", option.c_str()); 336 return false; 337 } 338 heap_growth_limit_ = size; 339 } else if (StartsWith(option, "-XX:HeapMinFree=")) { 340 size_t size = ParseMemoryOption(option.substr(strlen("-XX:HeapMinFree=")).c_str(), 1024); 341 if (size == 0) { 342 Usage("Failed to parse memory option %s\n", option.c_str()); 343 return false; 344 } 345 heap_min_free_ = size; 346 } else if (StartsWith(option, "-XX:HeapMaxFree=")) { 347 size_t size = ParseMemoryOption(option.substr(strlen("-XX:HeapMaxFree=")).c_str(), 1024); 348 if (size == 0) { 349 Usage("Failed to parse memory option %s\n", option.c_str()); 350 return false; 351 } 352 heap_max_free_ = size; 353 } else if (StartsWith(option, "-XX:HeapTargetUtilization=")) { 354 if (!ParseDouble(option, '=', 0.1, 0.9, &heap_target_utilization_)) { 355 return false; 356 } 357 } else if (StartsWith(option, "-XX:ForegroundHeapGrowthMultiplier=")) { 358 if (!ParseDouble(option, '=', 0.1, 10.0, &foreground_heap_growth_multiplier_)) { 359 return false; 360 } 361 } else if (StartsWith(option, "-XX:ParallelGCThreads=")) { 362 if (!ParseUnsignedInteger(option, '=', ¶llel_gc_threads_)) { 363 return false; 364 } 365 } else if (StartsWith(option, "-XX:ConcGCThreads=")) { 366 if (!ParseUnsignedInteger(option, '=', &conc_gc_threads_)) { 367 return false; 368 } 369 } else if (StartsWith(option, "-Xss")) { 370 size_t size = ParseMemoryOption(option.substr(strlen("-Xss")).c_str(), 1); 371 if (size == 0) { 372 Usage("Failed to parse memory option %s\n", option.c_str()); 373 return false; 374 } 375 stack_size_ = size; 376 } else if (StartsWith(option, "-XX:MaxSpinsBeforeThinLockInflation=")) { 377 if (!ParseUnsignedInteger(option, '=', &max_spins_before_thin_lock_inflation_)) { 378 return false; 379 } 380 } else if (StartsWith(option, "-XX:LongPauseLogThreshold=")) { 381 unsigned int value; 382 if (!ParseUnsignedInteger(option, '=', &value)) { 383 return false; 384 } 385 long_pause_log_threshold_ = MsToNs(value); 386 } else if (StartsWith(option, "-XX:LongGCLogThreshold=")) { 387 unsigned int value; 388 if (!ParseUnsignedInteger(option, '=', &value)) { 389 return false; 390 } 391 long_gc_log_threshold_ = MsToNs(value); 392 } else if (option == "-XX:DumpGCPerformanceOnShutdown") { 393 dump_gc_performance_on_shutdown_ = true; 394 } else if (option == "-XX:IgnoreMaxFootprint") { 395 ignore_max_footprint_ = true; 396 } else if (option == "-XX:LowMemoryMode") { 397 if (background_collector_type_ == gc::kCollectorTypeHomogeneousSpaceCompact) { 398 // Use semispace instead of homogenous space compact for low memory mode. 399 background_collector_type_ = gc::kCollectorTypeSS; 400 } 401 low_memory_mode_ = true; 402 // TODO Might want to turn off must_relocate here. 403 } else if (option == "-XX:UseTLAB") { 404 use_tlab_ = true; 405 } else if (option == "-XX:EnableHSpaceCompactForOOM") { 406 use_homogeneous_space_compaction_for_oom_ = true; 407 } else if (option == "-XX:DisableHSpaceCompactForOOM") { 408 use_homogeneous_space_compaction_for_oom_ = false; 409 } else if (StartsWith(option, "-D")) { 410 properties_.push_back(option.substr(strlen("-D"))); 411 } else if (StartsWith(option, "-Xjnitrace:")) { 412 jni_trace_ = option.substr(strlen("-Xjnitrace:")); 413 } else if (option == "compilercallbacks") { 414 compiler_callbacks_ = 415 reinterpret_cast<CompilerCallbacks*>(const_cast<void*>(options[i].second)); 416 } else if (option == "imageinstructionset") { 417 image_isa_ = GetInstructionSetFromString( 418 reinterpret_cast<const char*>(options[i].second)); 419 } else if (option == "-Xzygote") { 420 is_zygote_ = true; 421 } else if (StartsWith(option, "-Xpatchoat:")) { 422 if (!ParseStringAfterChar(option, ':', &patchoat_executable_)) { 423 return false; 424 } 425 } else if (option == "-Xrelocate") { 426 must_relocate_ = true; 427 } else if (option == "-Xnorelocate") { 428 must_relocate_ = false; 429 } else if (option == "-Xint") { 430 interpreter_only_ = true; 431 } else if (StartsWith(option, "-Xgc:")) { 432 if (!ParseXGcOption(option)) { 433 return false; 434 } 435 } else if (StartsWith(option, "-XX:BackgroundGC=")) { 436 std::string substring; 437 if (!ParseStringAfterChar(option, '=', &substring)) { 438 return false; 439 } 440 // Special handling for HSpaceCompact since this is only valid as a background GC type. 441 if (substring == "HSpaceCompact") { 442 background_collector_type_ = gc::kCollectorTypeHomogeneousSpaceCompact; 443 } else { 444 gc::CollectorType collector_type = ParseCollectorType(substring); 445 if (collector_type != gc::kCollectorTypeNone) { 446 background_collector_type_ = collector_type; 447 } else { 448 Usage("Unknown -XX:BackgroundGC option %s\n", substring.c_str()); 449 return false; 450 } 451 } 452 } else if (option == "-XX:+DisableExplicitGC") { 453 is_explicit_gc_disabled_ = true; 454 } else if (StartsWith(option, "-verbose:")) { 455 std::vector<std::string> verbose_options; 456 Split(option.substr(strlen("-verbose:")), ',', verbose_options); 457 for (size_t i = 0; i < verbose_options.size(); ++i) { 458 if (verbose_options[i] == "class") { 459 gLogVerbosity.class_linker = true; 460 } else if (verbose_options[i] == "compiler") { 461 gLogVerbosity.compiler = true; 462 } else if (verbose_options[i] == "gc") { 463 gLogVerbosity.gc = true; 464 } else if (verbose_options[i] == "heap") { 465 gLogVerbosity.heap = true; 466 } else if (verbose_options[i] == "jdwp") { 467 gLogVerbosity.jdwp = true; 468 } else if (verbose_options[i] == "jni") { 469 gLogVerbosity.jni = true; 470 } else if (verbose_options[i] == "monitor") { 471 gLogVerbosity.monitor = true; 472 } else if (verbose_options[i] == "profiler") { 473 gLogVerbosity.profiler = true; 474 } else if (verbose_options[i] == "signals") { 475 gLogVerbosity.signals = true; 476 } else if (verbose_options[i] == "startup") { 477 gLogVerbosity.startup = true; 478 } else if (verbose_options[i] == "third-party-jni") { 479 gLogVerbosity.third_party_jni = true; 480 } else if (verbose_options[i] == "threads") { 481 gLogVerbosity.threads = true; 482 } else if (verbose_options[i] == "verifier") { 483 gLogVerbosity.verifier = true; 484 } else { 485 Usage("Unknown -verbose option %s\n", verbose_options[i].c_str()); 486 return false; 487 } 488 } 489 } else if (StartsWith(option, "-verbose-methods:")) { 490 gLogVerbosity.compiler = false; 491 Split(option.substr(strlen("-verbose-methods:")), ',', gVerboseMethods); 492 } else if (StartsWith(option, "-Xlockprofthreshold:")) { 493 if (!ParseUnsignedInteger(option, ':', &lock_profiling_threshold_)) { 494 return false; 495 } 496 } else if (StartsWith(option, "-Xstacktracefile:")) { 497 if (!ParseStringAfterChar(option, ':', &stack_trace_file_)) { 498 return false; 499 } 500 } else if (option == "sensitiveThread") { 501 const void* hook = options[i].second; 502 hook_is_sensitive_thread_ = reinterpret_cast<bool (*)()>(const_cast<void*>(hook)); 503 } else if (option == "vfprintf") { 504 const void* hook = options[i].second; 505 if (hook == nullptr) { 506 Usage("vfprintf argument was NULL"); 507 return false; 508 } 509 hook_vfprintf_ = 510 reinterpret_cast<int (*)(FILE *, const char*, va_list)>(const_cast<void*>(hook)); 511 } else if (option == "exit") { 512 const void* hook = options[i].second; 513 if (hook == nullptr) { 514 Usage("exit argument was NULL"); 515 return false; 516 } 517 hook_exit_ = reinterpret_cast<void(*)(jint)>(const_cast<void*>(hook)); 518 } else if (option == "abort") { 519 const void* hook = options[i].second; 520 if (hook == nullptr) { 521 Usage("abort was NULL\n"); 522 return false; 523 } 524 hook_abort_ = reinterpret_cast<void(*)()>(const_cast<void*>(hook)); 525 } else if (option == "-Xmethod-trace") { 526 method_trace_ = true; 527 } else if (StartsWith(option, "-Xmethod-trace-file:")) { 528 method_trace_file_ = option.substr(strlen("-Xmethod-trace-file:")); 529 } else if (StartsWith(option, "-Xmethod-trace-file-size:")) { 530 if (!ParseUnsignedInteger(option, ':', &method_trace_file_size_)) { 531 return false; 532 } 533 } else if (option == "-Xprofile:threadcpuclock") { 534 Trace::SetDefaultClockSource(kTraceClockSourceThreadCpu); 535 } else if (option == "-Xprofile:wallclock") { 536 Trace::SetDefaultClockSource(kTraceClockSourceWall); 537 } else if (option == "-Xprofile:dualclock") { 538 Trace::SetDefaultClockSource(kTraceClockSourceDual); 539 } else if (option == "-Xenable-profiler") { 540 profiler_options_.enabled_ = true; 541 } else if (StartsWith(option, "-Xprofile-filename:")) { 542 if (!ParseStringAfterChar(option, ':', &profile_output_filename_)) { 543 return false; 544 } 545 } else if (StartsWith(option, "-Xprofile-period:")) { 546 if (!ParseUnsignedInteger(option, ':', &profiler_options_.period_s_)) { 547 return false; 548 } 549 } else if (StartsWith(option, "-Xprofile-duration:")) { 550 if (!ParseUnsignedInteger(option, ':', &profiler_options_.duration_s_)) { 551 return false; 552 } 553 } else if (StartsWith(option, "-Xprofile-interval:")) { 554 if (!ParseUnsignedInteger(option, ':', &profiler_options_.interval_us_)) { 555 return false; 556 } 557 } else if (StartsWith(option, "-Xprofile-backoff:")) { 558 if (!ParseDouble(option, ':', 1.0, 10.0, &profiler_options_.backoff_coefficient_)) { 559 return false; 560 } 561 } else if (option == "-Xprofile-start-immediately") { 562 profiler_options_.start_immediately_ = true; 563 } else if (StartsWith(option, "-Xprofile-top-k-threshold:")) { 564 if (!ParseDouble(option, ':', 0.0, 100.0, &profiler_options_.top_k_threshold_)) { 565 return false; 566 } 567 } else if (StartsWith(option, "-Xprofile-top-k-change-threshold:")) { 568 if (!ParseDouble(option, ':', 0.0, 100.0, &profiler_options_.top_k_change_threshold_)) { 569 return false; 570 } 571 } else if (option == "-Xprofile-type:method") { 572 profiler_options_.profile_type_ = kProfilerMethod; 573 } else if (option == "-Xprofile-type:stack") { 574 profiler_options_.profile_type_ = kProfilerBoundedStack; 575 } else if (StartsWith(option, "-Xprofile-max-stack-depth:")) { 576 if (!ParseUnsignedInteger(option, ':', &profiler_options_.max_stack_depth_)) { 577 return false; 578 } 579 } else if (StartsWith(option, "-Xcompiler:")) { 580 if (!ParseStringAfterChar(option, ':', &compiler_executable_)) { 581 return false; 582 } 583 } else if (option == "-Xcompiler-option") { 584 i++; 585 if (i == options.size()) { 586 Usage("Missing required compiler option for %s\n", option.c_str()); 587 return false; 588 } 589 compiler_options_.push_back(options[i].first); 590 } else if (option == "-Ximage-compiler-option") { 591 i++; 592 if (i == options.size()) { 593 Usage("Missing required compiler option for %s\n", option.c_str()); 594 return false; 595 } 596 image_compiler_options_.push_back(options[i].first); 597 } else if (StartsWith(option, "-Xverify:")) { 598 std::string verify_mode = option.substr(strlen("-Xverify:")); 599 if (verify_mode == "none") { 600 verify_ = false; 601 } else if (verify_mode == "remote" || verify_mode == "all") { 602 verify_ = true; 603 } else { 604 Usage("Unknown -Xverify option %s\n", verify_mode.c_str()); 605 return false; 606 } 607 } else if (StartsWith(option, "-XX:NativeBridge=")) { 608 if (!ParseStringAfterChar(option, '=', &native_bridge_library_string_)) { 609 return false; 610 } 611 } else if (StartsWith(option, "-ea") || 612 StartsWith(option, "-da") || 613 StartsWith(option, "-enableassertions") || 614 StartsWith(option, "-disableassertions") || 615 (option == "--runtime-arg") || 616 (option == "-esa") || 617 (option == "-dsa") || 618 (option == "-enablesystemassertions") || 619 (option == "-disablesystemassertions") || 620 (option == "-Xrs") || 621 StartsWith(option, "-Xint:") || 622 StartsWith(option, "-Xdexopt:") || 623 (option == "-Xnoquithandler") || 624 StartsWith(option, "-Xjniopts:") || 625 StartsWith(option, "-Xjnigreflimit:") || 626 (option == "-Xgenregmap") || 627 (option == "-Xnogenregmap") || 628 StartsWith(option, "-Xverifyopt:") || 629 (option == "-Xcheckdexsum") || 630 (option == "-Xincludeselectedop") || 631 StartsWith(option, "-Xjitop:") || 632 (option == "-Xincludeselectedmethod") || 633 StartsWith(option, "-Xjitthreshold:") || 634 StartsWith(option, "-Xjitcodecachesize:") || 635 (option == "-Xjitblocking") || 636 StartsWith(option, "-Xjitmethod:") || 637 StartsWith(option, "-Xjitclass:") || 638 StartsWith(option, "-Xjitoffset:") || 639 StartsWith(option, "-Xjitconfig:") || 640 (option == "-Xjitcheckcg") || 641 (option == "-Xjitverbose") || 642 (option == "-Xjitprofile") || 643 (option == "-Xjitdisableopt") || 644 (option == "-Xjitsuspendpoll") || 645 StartsWith(option, "-XX:mainThreadStackSize=")) { 646 // Ignored for backwards compatibility. 647 } else if (!ignore_unrecognized) { 648 Usage("Unrecognized option %s\n", option.c_str()); 649 return false; 650 } 651 } 652 653 // If a reference to the dalvik core.jar snuck in, replace it with 654 // the art specific version. This can happen with on device 655 // boot.art/boot.oat generation by GenerateImage which relies on the 656 // value of BOOTCLASSPATH. 657#if defined(ART_TARGET) 658 std::string core_jar("/core.jar"); 659 std::string core_libart_jar("/core-libart.jar"); 660#else 661 // The host uses hostdex files. 662 std::string core_jar("/core-hostdex.jar"); 663 std::string core_libart_jar("/core-libart-hostdex.jar"); 664#endif 665 size_t core_jar_pos = boot_class_path_string_.find(core_jar); 666 if (core_jar_pos != std::string::npos) { 667 boot_class_path_string_.replace(core_jar_pos, core_jar.size(), core_libart_jar); 668 } 669 670 if (compiler_callbacks_ == nullptr && image_.empty()) { 671 image_ += GetAndroidRoot(); 672 image_ += "/framework/boot.art"; 673 } 674 if (heap_growth_limit_ == 0) { 675 heap_growth_limit_ = heap_maximum_size_; 676 } 677 if (background_collector_type_ == gc::kCollectorTypeNone) { 678 background_collector_type_ = collector_type_; 679 } 680 return true; 681} // NOLINT(readability/fn_size) 682 683void ParsedOptions::Exit(int status) { 684 hook_exit_(status); 685} 686 687void ParsedOptions::Abort() { 688 hook_abort_(); 689} 690 691void ParsedOptions::UsageMessageV(FILE* stream, const char* fmt, va_list ap) { 692 hook_vfprintf_(stderr, fmt, ap); 693} 694 695void ParsedOptions::UsageMessage(FILE* stream, const char* fmt, ...) { 696 va_list ap; 697 va_start(ap, fmt); 698 UsageMessageV(stream, fmt, ap); 699 va_end(ap); 700} 701 702void ParsedOptions::Usage(const char* fmt, ...) { 703 bool error = (fmt != nullptr); 704 FILE* stream = error ? stderr : stdout; 705 706 if (fmt != nullptr) { 707 va_list ap; 708 va_start(ap, fmt); 709 UsageMessageV(stream, fmt, ap); 710 va_end(ap); 711 } 712 713 const char* program = "dalvikvm"; 714 UsageMessage(stream, "%s: [options] class [argument ...]\n", program); 715 UsageMessage(stream, "\n"); 716 UsageMessage(stream, "The following standard options are supported:\n"); 717 UsageMessage(stream, " -classpath classpath (-cp classpath)\n"); 718 UsageMessage(stream, " -Dproperty=value\n"); 719 UsageMessage(stream, " -verbose:tag ('gc', 'jni', or 'class')\n"); 720 UsageMessage(stream, " -showversion\n"); 721 UsageMessage(stream, " -help\n"); 722 UsageMessage(stream, " -agentlib:jdwp=options\n"); 723 UsageMessage(stream, "\n"); 724 725 UsageMessage(stream, "The following extended options are supported:\n"); 726 UsageMessage(stream, " -Xrunjdwp:<options>\n"); 727 UsageMessage(stream, " -Xbootclasspath:bootclasspath\n"); 728 UsageMessage(stream, " -Xcheck:tag (e.g. 'jni')\n"); 729 UsageMessage(stream, " -XmsN (min heap, must be multiple of 1K, >= 1MB)\n"); 730 UsageMessage(stream, " -XmxN (max heap, must be multiple of 1K, >= 2MB)\n"); 731 UsageMessage(stream, " -XssN (stack size)\n"); 732 UsageMessage(stream, " -Xint\n"); 733 UsageMessage(stream, "\n"); 734 735 UsageMessage(stream, "The following Dalvik options are supported:\n"); 736 UsageMessage(stream, " -Xzygote\n"); 737 UsageMessage(stream, " -Xjnitrace:substring (eg NativeClass or nativeMethod)\n"); 738 UsageMessage(stream, " -Xstacktracefile:<filename>\n"); 739 UsageMessage(stream, " -Xgc:[no]preverify\n"); 740 UsageMessage(stream, " -Xgc:[no]postverify\n"); 741 UsageMessage(stream, " -XX:+DisableExplicitGC\n"); 742 UsageMessage(stream, " -XX:HeapGrowthLimit=N\n"); 743 UsageMessage(stream, " -XX:HeapMinFree=N\n"); 744 UsageMessage(stream, " -XX:HeapMaxFree=N\n"); 745 UsageMessage(stream, " -XX:HeapTargetUtilization=doublevalue\n"); 746 UsageMessage(stream, " -XX:ForegroundHeapGrowthMultiplier=doublevalue\n"); 747 UsageMessage(stream, " -XX:LowMemoryMode\n"); 748 UsageMessage(stream, " -Xprofile:{threadcpuclock,wallclock,dualclock}\n"); 749 UsageMessage(stream, "\n"); 750 751 UsageMessage(stream, "The following unique to ART options are supported:\n"); 752 UsageMessage(stream, " -Xgc:[no]preverify_rosalloc\n"); 753 UsageMessage(stream, " -Xgc:[no]postsweepingverify_rosalloc\n"); 754 UsageMessage(stream, " -Xgc:[no]postverify_rosalloc\n"); 755 UsageMessage(stream, " -Xgc:[no]presweepingverify\n"); 756 UsageMessage(stream, " -Ximage:filename\n"); 757 UsageMessage(stream, " -XX:ParallelGCThreads=integervalue\n"); 758 UsageMessage(stream, " -XX:ConcGCThreads=integervalue\n"); 759 UsageMessage(stream, " -XX:MaxSpinsBeforeThinLockInflation=integervalue\n"); 760 UsageMessage(stream, " -XX:LongPauseLogThreshold=integervalue\n"); 761 UsageMessage(stream, " -XX:LongGCLogThreshold=integervalue\n"); 762 UsageMessage(stream, " -XX:DumpGCPerformanceOnShutdown\n"); 763 UsageMessage(stream, " -XX:IgnoreMaxFootprint\n"); 764 UsageMessage(stream, " -XX:UseTLAB\n"); 765 UsageMessage(stream, " -XX:BackgroundGC=none\n"); 766 UsageMessage(stream, " -Xmethod-trace\n"); 767 UsageMessage(stream, " -Xmethod-trace-file:filename"); 768 UsageMessage(stream, " -Xmethod-trace-file-size:integervalue\n"); 769 UsageMessage(stream, " -Xenable-profiler\n"); 770 UsageMessage(stream, " -Xprofile-filename:filename\n"); 771 UsageMessage(stream, " -Xprofile-period:integervalue\n"); 772 UsageMessage(stream, " -Xprofile-duration:integervalue\n"); 773 UsageMessage(stream, " -Xprofile-interval:integervalue\n"); 774 UsageMessage(stream, " -Xprofile-backoff:doublevalue\n"); 775 UsageMessage(stream, " -Xprofile-start-immediately\n"); 776 UsageMessage(stream, " -Xprofile-top-k-threshold:doublevalue\n"); 777 UsageMessage(stream, " -Xprofile-top-k-change-threshold:doublevalue\n"); 778 UsageMessage(stream, " -Xprofile-type:{method,stack}\n"); 779 UsageMessage(stream, " -Xprofile-max-stack-depth:integervalue\n"); 780 UsageMessage(stream, " -Xcompiler:filename\n"); 781 UsageMessage(stream, " -Xcompiler-option dex2oat-option\n"); 782 UsageMessage(stream, " -Ximage-compiler-option dex2oat-option\n"); 783 UsageMessage(stream, " -Xpatchoat:filename\n"); 784 UsageMessage(stream, " -X[no]relocate\n"); 785 UsageMessage(stream, "\n"); 786 787 UsageMessage(stream, "The following previously supported Dalvik options are ignored:\n"); 788 UsageMessage(stream, " -ea[:<package name>... |:<class name>]\n"); 789 UsageMessage(stream, " -da[:<package name>... |:<class name>]\n"); 790 UsageMessage(stream, " (-enableassertions, -disableassertions)\n"); 791 UsageMessage(stream, " -esa\n"); 792 UsageMessage(stream, " -dsa\n"); 793 UsageMessage(stream, " (-enablesystemassertions, -disablesystemassertions)\n"); 794 UsageMessage(stream, " -Xverify:{none,remote,all}\n"); 795 UsageMessage(stream, " -Xrs\n"); 796 UsageMessage(stream, " -Xint:portable, -Xint:fast, -Xint:jit\n"); 797 UsageMessage(stream, " -Xdexopt:{none,verified,all,full}\n"); 798 UsageMessage(stream, " -Xnoquithandler\n"); 799 UsageMessage(stream, " -Xjniopts:{warnonly,forcecopy}\n"); 800 UsageMessage(stream, " -Xjnigreflimit:integervalue\n"); 801 UsageMessage(stream, " -Xgc:[no]precise\n"); 802 UsageMessage(stream, " -Xgc:[no]verifycardtable\n"); 803 UsageMessage(stream, " -X[no]genregmap\n"); 804 UsageMessage(stream, " -Xverifyopt:[no]checkmon\n"); 805 UsageMessage(stream, " -Xcheckdexsum\n"); 806 UsageMessage(stream, " -Xincludeselectedop\n"); 807 UsageMessage(stream, " -Xjitop:hexopvalue[-endvalue][,hexopvalue[-endvalue]]*\n"); 808 UsageMessage(stream, " -Xincludeselectedmethod\n"); 809 UsageMessage(stream, " -Xjitthreshold:integervalue\n"); 810 UsageMessage(stream, " -Xjitcodecachesize:decimalvalueofkbytes\n"); 811 UsageMessage(stream, " -Xjitblocking\n"); 812 UsageMessage(stream, " -Xjitmethod:signature[,signature]* (eg Ljava/lang/String\\;replace)\n"); 813 UsageMessage(stream, " -Xjitclass:classname[,classname]*\n"); 814 UsageMessage(stream, " -Xjitoffset:offset[,offset]\n"); 815 UsageMessage(stream, " -Xjitconfig:filename\n"); 816 UsageMessage(stream, " -Xjitcheckcg\n"); 817 UsageMessage(stream, " -Xjitverbose\n"); 818 UsageMessage(stream, " -Xjitprofile\n"); 819 UsageMessage(stream, " -Xjitdisableopt\n"); 820 UsageMessage(stream, " -Xjitsuspendpoll\n"); 821 UsageMessage(stream, " -XX:mainThreadStackSize=N\n"); 822 UsageMessage(stream, "\n"); 823 824 Exit((error) ? 1 : 0); 825} 826 827bool ParsedOptions::ParseStringAfterChar(const std::string& s, char c, std::string* parsed_value) { 828 std::string::size_type colon = s.find(c); 829 if (colon == std::string::npos) { 830 Usage("Missing char %c in option %s\n", c, s.c_str()); 831 return false; 832 } 833 // Add one to remove the char we were trimming until. 834 *parsed_value = s.substr(colon + 1); 835 return true; 836} 837 838bool ParsedOptions::ParseInteger(const std::string& s, char after_char, int* parsed_value) { 839 std::string::size_type colon = s.find(after_char); 840 if (colon == std::string::npos) { 841 Usage("Missing char %c in option %s\n", after_char, s.c_str()); 842 return false; 843 } 844 const char* begin = &s[colon + 1]; 845 char* end; 846 size_t result = strtoul(begin, &end, 10); 847 if (begin == end || *end != '\0') { 848 Usage("Failed to parse integer from %s\n", s.c_str()); 849 return false; 850 } 851 *parsed_value = result; 852 return true; 853} 854 855bool ParsedOptions::ParseUnsignedInteger(const std::string& s, char after_char, 856 unsigned int* parsed_value) { 857 int i; 858 if (!ParseInteger(s, after_char, &i)) { 859 return false; 860 } 861 if (i < 0) { 862 Usage("Negative value %d passed for unsigned option %s\n", i, s.c_str()); 863 return false; 864 } 865 *parsed_value = i; 866 return true; 867} 868 869bool ParsedOptions::ParseDouble(const std::string& option, char after_char, 870 double min, double max, double* parsed_value) { 871 std::string substring; 872 if (!ParseStringAfterChar(option, after_char, &substring)) { 873 return false; 874 } 875 bool sane_val = true; 876 double value; 877 if (false) { 878 // TODO: this doesn't seem to work on the emulator. b/15114595 879 std::stringstream iss(substring); 880 iss >> value; 881 // Ensure that we have a value, there was no cruft after it and it satisfies a sensible range. 882 sane_val = iss.eof() && (value >= min) && (value <= max); 883 } else { 884 char* end = nullptr; 885 value = strtod(substring.c_str(), &end); 886 sane_val = *end == '\0' && value >= min && value <= max; 887 } 888 if (!sane_val) { 889 Usage("Invalid double value %s for option %s\n", substring.c_str(), option.c_str()); 890 return false; 891 } 892 *parsed_value = value; 893 return true; 894} 895 896} // namespace art 897