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diff --git a/runtime/parsed_options.cc b/runtime/parsed_options.cc
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+/*
+ * Copyright (C) 2011 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "parsed_options.h"
+
+#include "debugger.h"
+#include "monitor.h"
+
+namespace art {
+
+ParsedOptions* ParsedOptions::Create(const Runtime::Options& options, bool ignore_unrecognized) {
+ UniquePtr<ParsedOptions> parsed(new ParsedOptions());
+ if (parsed->Parse(options, ignore_unrecognized)) {
+ return parsed.release();
+ }
+ return nullptr;
+}
+
+// Parse a string of the form /[0-9]+[kKmMgG]?/, which is used to specify
+// memory sizes. [kK] indicates kilobytes, [mM] megabytes, and
+// [gG] gigabytes.
+//
+// "s" should point just past the "-Xm?" part of the string.
+// "div" specifies a divisor, e.g. 1024 if the value must be a multiple
+// of 1024.
+//
+// The spec says the -Xmx and -Xms options must be multiples of 1024. It
+// doesn't say anything about -Xss.
+//
+// Returns 0 (a useless size) if "s" is malformed or specifies a low or
+// non-evenly-divisible value.
+//
+size_t ParseMemoryOption(const char* s, size_t div) {
+ // strtoul accepts a leading [+-], which we don't want,
+ // so make sure our string starts with a decimal digit.
+ if (isdigit(*s)) {
+ char* s2;
+ size_t val = strtoul(s, &s2, 10);
+ if (s2 != s) {
+ // s2 should be pointing just after the number.
+ // If this is the end of the string, the user
+ // has specified a number of bytes. Otherwise,
+ // there should be exactly one more character
+ // that specifies a multiplier.
+ if (*s2 != '\0') {
+ // The remainder of the string is either a single multiplier
+ // character, or nothing to indicate that the value is in
+ // bytes.
+ char c = *s2++;
+ if (*s2 == '\0') {
+ size_t mul;
+ if (c == '\0') {
+ mul = 1;
+ } else if (c == 'k' || c == 'K') {
+ mul = KB;
+ } else if (c == 'm' || c == 'M') {
+ mul = MB;
+ } else if (c == 'g' || c == 'G') {
+ mul = GB;
+ } else {
+ // Unknown multiplier character.
+ return 0;
+ }
+
+ if (val <= std::numeric_limits<size_t>::max() / mul) {
+ val *= mul;
+ } else {
+ // Clamp to a multiple of 1024.
+ val = std::numeric_limits<size_t>::max() & ~(1024-1);
+ }
+ } else {
+ // There's more than one character after the numeric part.
+ return 0;
+ }
+ }
+ // The man page says that a -Xm value must be a multiple of 1024.
+ if (val % div == 0) {
+ return val;
+ }
+ }
+ }
+ return 0;
+}
+
+static gc::CollectorType ParseCollectorType(const std::string& option) {
+ if (option == "MS" || option == "nonconcurrent") {
+ return gc::kCollectorTypeMS;
+ } else if (option == "CMS" || option == "concurrent") {
+ return gc::kCollectorTypeCMS;
+ } else if (option == "SS") {
+ return gc::kCollectorTypeSS;
+ } else if (option == "GSS") {
+ return gc::kCollectorTypeGSS;
+ } else {
+ return gc::kCollectorTypeNone;
+ }
+}
+
+bool ParsedOptions::Parse(const Runtime::Options& options, bool ignore_unrecognized) {
+ const char* boot_class_path_string = getenv("BOOTCLASSPATH");
+ if (boot_class_path_string != NULL) {
+ boot_class_path_string_ = boot_class_path_string;
+ }
+ const char* class_path_string = getenv("CLASSPATH");
+ if (class_path_string != NULL) {
+ class_path_string_ = class_path_string;
+ }
+ // -Xcheck:jni is off by default for regular builds but on by default in debug builds.
+ check_jni_ = kIsDebugBuild;
+
+ heap_initial_size_ = gc::Heap::kDefaultInitialSize;
+ heap_maximum_size_ = gc::Heap::kDefaultMaximumSize;
+ heap_min_free_ = gc::Heap::kDefaultMinFree;
+ heap_max_free_ = gc::Heap::kDefaultMaxFree;
+ heap_target_utilization_ = gc::Heap::kDefaultTargetUtilization;
+ heap_growth_limit_ = 0; // 0 means no growth limit .
+ // Default to number of processors minus one since the main GC thread also does work.
+ parallel_gc_threads_ = sysconf(_SC_NPROCESSORS_CONF) - 1;
+ // Only the main GC thread, no workers.
+ conc_gc_threads_ = 0;
+ // Default is CMS which is Sticky + Partial + Full CMS GC.
+ collector_type_ = gc::kCollectorTypeCMS;
+ // If background_collector_type_ is kCollectorTypeNone, it defaults to the collector_type_ after
+ // parsing options.
+ background_collector_type_ = gc::kCollectorTypeNone;
+ stack_size_ = 0; // 0 means default.
+ max_spins_before_thin_lock_inflation_ = Monitor::kDefaultMaxSpinsBeforeThinLockInflation;
+ low_memory_mode_ = false;
+ use_tlab_ = false;
+ verify_pre_gc_heap_ = false;
+ verify_post_gc_heap_ = kIsDebugBuild;
+ verify_pre_gc_rosalloc_ = kIsDebugBuild;
+ verify_post_gc_rosalloc_ = false;
+
+ compiler_callbacks_ = nullptr;
+ is_zygote_ = false;
+ interpreter_only_ = false;
+ is_explicit_gc_disabled_ = false;
+
+ long_pause_log_threshold_ = gc::Heap::kDefaultLongPauseLogThreshold;
+ long_gc_log_threshold_ = gc::Heap::kDefaultLongGCLogThreshold;
+ dump_gc_performance_on_shutdown_ = false;
+ ignore_max_footprint_ = false;
+
+ lock_profiling_threshold_ = 0;
+ hook_is_sensitive_thread_ = NULL;
+
+ hook_vfprintf_ = vfprintf;
+ hook_exit_ = exit;
+ hook_abort_ = NULL; // We don't call abort(3) by default; see Runtime::Abort.
+
+// gLogVerbosity.class_linker = true; // TODO: don't check this in!
+// gLogVerbosity.compiler = true; // TODO: don't check this in!
+// gLogVerbosity.verifier = true; // TODO: don't check this in!
+// gLogVerbosity.heap = true; // TODO: don't check this in!
+// gLogVerbosity.gc = true; // TODO: don't check this in!
+// gLogVerbosity.jdwp = true; // TODO: don't check this in!
+// gLogVerbosity.jni = true; // TODO: don't check this in!
+// gLogVerbosity.monitor = true; // TODO: don't check this in!
+// gLogVerbosity.startup = true; // TODO: don't check this in!
+// gLogVerbosity.third_party_jni = true; // TODO: don't check this in!
+// gLogVerbosity.threads = true; // TODO: don't check this in!
+
+ method_trace_ = false;
+ method_trace_file_ = "/data/method-trace-file.bin";
+ method_trace_file_size_ = 10 * MB;
+
+ profile_ = false;
+ profile_period_s_ = 10; // Seconds.
+ profile_duration_s_ = 20; // Seconds.
+ profile_interval_us_ = 500; // Microseconds.
+ profile_backoff_coefficient_ = 2.0;
+ profile_clock_source_ = kDefaultProfilerClockSource;
+
+ for (size_t i = 0; i < options.size(); ++i) {
+ const std::string option(options[i].first);
+ if (true && options[0].first == "-Xzygote") {
+ LOG(INFO) << "option[" << i << "]=" << option;
+ }
+ if (StartsWith(option, "-help")) {
+ Usage(nullptr);
+ return false;
+ } else if (StartsWith(option, "-showversion")) {
+ UsageMessage(stdout, "ART version %s\n", Runtime::GetVersion());
+ Exit(0);
+ } else if (StartsWith(option, "-Xbootclasspath:")) {
+ boot_class_path_string_ = option.substr(strlen("-Xbootclasspath:")).data();
+ } else if (option == "-classpath" || option == "-cp") {
+ // TODO: support -Djava.class.path
+ i++;
+ if (i == options.size()) {
+ Usage("Missing required class path value for %s", option.c_str());
+ return false;
+ }
+ const StringPiece& value = options[i].first;
+ class_path_string_ = value.data();
+ } else if (option == "bootclasspath") {
+ boot_class_path_
+ = reinterpret_cast<const std::vector<const DexFile*>*>(options[i].second);
+ } else if (StartsWith(option, "-Ximage:")) {
+ if (!ParseStringAfterChar(option, ':', &image_)) {
+ return false;
+ }
+ } else if (StartsWith(option, "-Xcheck:jni")) {
+ check_jni_ = true;
+ } else if (StartsWith(option, "-Xrunjdwp:") || StartsWith(option, "-agentlib:jdwp=")) {
+ std::string tail(option.substr(option[1] == 'X' ? 10 : 15));
+ // TODO: move parsing logic out of Dbg
+ if (tail == "help" || !Dbg::ParseJdwpOptions(tail)) {
+ if (tail != "help") {
+ UsageMessage(stderr, "Failed to parse JDWP option %s\n", tail.c_str());
+ }
+ Usage("Example: -Xrunjdwp:transport=dt_socket,address=8000,server=y\n"
+ "Example: -Xrunjdwp:transport=dt_socket,address=localhost:6500,server=n\n");
+ return false;
+ }
+ } else if (StartsWith(option, "-Xms")) {
+ size_t size = ParseMemoryOption(option.substr(strlen("-Xms")).c_str(), 1024);
+ if (size == 0) {
+ Usage("Failed to parse memory option %s", option.c_str());
+ return false;
+ }
+ heap_initial_size_ = size;
+ } else if (StartsWith(option, "-Xmx")) {
+ size_t size = ParseMemoryOption(option.substr(strlen("-Xmx")).c_str(), 1024);
+ if (size == 0) {
+ Usage("Failed to parse memory option %s", option.c_str());
+ return false;
+ }
+ heap_maximum_size_ = size;
+ } else if (StartsWith(option, "-XX:HeapGrowthLimit=")) {
+ size_t size = ParseMemoryOption(option.substr(strlen("-XX:HeapGrowthLimit=")).c_str(), 1024);
+ if (size == 0) {
+ Usage("Failed to parse memory option %s", option.c_str());
+ return false;
+ }
+ heap_growth_limit_ = size;
+ } else if (StartsWith(option, "-XX:HeapMinFree=")) {
+ size_t size = ParseMemoryOption(option.substr(strlen("-XX:HeapMinFree=")).c_str(), 1024);
+ if (size == 0) {
+ Usage("Failed to parse memory option %s", option.c_str());
+ return false;
+ }
+ heap_min_free_ = size;
+ } else if (StartsWith(option, "-XX:HeapMaxFree=")) {
+ size_t size = ParseMemoryOption(option.substr(strlen("-XX:HeapMaxFree=")).c_str(), 1024);
+ if (size == 0) {
+ Usage("Failed to parse memory option %s", option.c_str());
+ return false;
+ }
+ heap_max_free_ = size;
+ } else if (StartsWith(option, "-XX:HeapTargetUtilization=")) {
+ if (!ParseDouble(option, '=', 0.1, 0.9, &heap_target_utilization_)) {
+ return false;
+ }
+ } else if (StartsWith(option, "-XX:ParallelGCThreads=")) {
+ if (!ParseUnsignedInteger(option, '=', &parallel_gc_threads_)) {
+ return false;
+ }
+ } else if (StartsWith(option, "-XX:ConcGCThreads=")) {
+ if (!ParseUnsignedInteger(option, '=', &conc_gc_threads_)) {
+ return false;
+ }
+ } else if (StartsWith(option, "-Xss")) {
+ size_t size = ParseMemoryOption(option.substr(strlen("-Xss")).c_str(), 1);
+ if (size == 0) {
+ Usage("Failed to parse memory option %s", option.c_str());
+ return false;
+ }
+ stack_size_ = size;
+ } else if (StartsWith(option, "-XX:MaxSpinsBeforeThinLockInflation=")) {
+ if (!ParseUnsignedInteger(option, '=', &max_spins_before_thin_lock_inflation_)) {
+ return false;
+ }
+ } else if (StartsWith(option, "-XX:LongPauseLogThreshold=")) {
+ size_t value;
+ if (!ParseUnsignedInteger(option, '=', &value)) {
+ return false;
+ }
+ long_pause_log_threshold_ = MsToNs(value);
+ } else if (StartsWith(option, "-XX:LongGCLogThreshold=")) {
+ size_t value;
+ if (!ParseUnsignedInteger(option, '=', &value)) {
+ return false;
+ }
+ long_gc_log_threshold_ = MsToNs(value);
+ } else if (option == "-XX:DumpGCPerformanceOnShutdown") {
+ dump_gc_performance_on_shutdown_ = true;
+ } else if (option == "-XX:IgnoreMaxFootprint") {
+ ignore_max_footprint_ = true;
+ } else if (option == "-XX:LowMemoryMode") {
+ low_memory_mode_ = true;
+ } else if (option == "-XX:UseTLAB") {
+ use_tlab_ = true;
+ } else if (StartsWith(option, "-D")) {
+ properties_.push_back(option.substr(strlen("-D")));
+ } else if (StartsWith(option, "-Xjnitrace:")) {
+ jni_trace_ = option.substr(strlen("-Xjnitrace:"));
+ } else if (option == "compilercallbacks") {
+ compiler_callbacks_ =
+ reinterpret_cast<CompilerCallbacks*>(const_cast<void*>(options[i].second));
+ } else if (option == "-Xzygote") {
+ is_zygote_ = true;
+ } else if (option == "-Xint") {
+ interpreter_only_ = true;
+ } else if (StartsWith(option, "-Xgc:")) {
+ std::vector<std::string> gc_options;
+ Split(option.substr(strlen("-Xgc:")), ',', gc_options);
+ for (const std::string& gc_option : gc_options) {
+ gc::CollectorType collector_type = ParseCollectorType(gc_option);
+ if (collector_type != gc::kCollectorTypeNone) {
+ collector_type_ = collector_type;
+ } else if (gc_option == "preverify") {
+ verify_pre_gc_heap_ = true;
+ } else if (gc_option == "nopreverify") {
+ verify_pre_gc_heap_ = false;
+ } else if (gc_option == "postverify") {
+ verify_post_gc_heap_ = true;
+ } else if (gc_option == "nopostverify") {
+ verify_post_gc_heap_ = false;
+ } else if (gc_option == "preverify_rosalloc") {
+ verify_pre_gc_rosalloc_ = true;
+ } else if (gc_option == "nopreverify_rosalloc") {
+ verify_pre_gc_rosalloc_ = false;
+ } else if (gc_option == "postverify_rosalloc") {
+ verify_post_gc_rosalloc_ = true;
+ } else if (gc_option == "nopostverify_rosalloc") {
+ verify_post_gc_rosalloc_ = false;
+ } else if ((gc_option == "precise") ||
+ (gc_option == "noprecise") ||
+ (gc_option == "verifycardtable") ||
+ (gc_option == "noverifycardtable")) {
+ // Ignored for backwards compatibility.
+ } else {
+ Usage("Unknown -Xgc option %s", gc_option.c_str());
+ return false;
+ }
+ }
+ } else if (StartsWith(option, "-XX:BackgroundGC=")) {
+ std::string substring;
+ if (!ParseStringAfterChar(option, '=', &substring)) {
+ return false;
+ }
+ gc::CollectorType collector_type = ParseCollectorType(substring);
+ if (collector_type != gc::kCollectorTypeNone) {
+ background_collector_type_ = collector_type;
+ } else {
+ Usage("Unknown -XX:BackgroundGC option %s", substring.c_str());
+ return false;
+ }
+ } else if (option == "-XX:+DisableExplicitGC") {
+ is_explicit_gc_disabled_ = true;
+ } else if (StartsWith(option, "-verbose:")) {
+ std::vector<std::string> verbose_options;
+ Split(option.substr(strlen("-verbose:")), ',', verbose_options);
+ for (size_t i = 0; i < verbose_options.size(); ++i) {
+ if (verbose_options[i] == "class") {
+ gLogVerbosity.class_linker = true;
+ } else if (verbose_options[i] == "verifier") {
+ gLogVerbosity.verifier = true;
+ } else if (verbose_options[i] == "compiler") {
+ gLogVerbosity.compiler = true;
+ } else if (verbose_options[i] == "heap") {
+ gLogVerbosity.heap = true;
+ } else if (verbose_options[i] == "gc") {
+ gLogVerbosity.gc = true;
+ } else if (verbose_options[i] == "jdwp") {
+ gLogVerbosity.jdwp = true;
+ } else if (verbose_options[i] == "jni") {
+ gLogVerbosity.jni = true;
+ } else if (verbose_options[i] == "monitor") {
+ gLogVerbosity.monitor = true;
+ } else if (verbose_options[i] == "startup") {
+ gLogVerbosity.startup = true;
+ } else if (verbose_options[i] == "third-party-jni") {
+ gLogVerbosity.third_party_jni = true;
+ } else if (verbose_options[i] == "threads") {
+ gLogVerbosity.threads = true;
+ } else {
+ Usage("Unknown -verbose option %s", verbose_options[i].c_str());
+ return false;
+ }
+ }
+ } else if (StartsWith(option, "-Xlockprofthreshold:")) {
+ if (!ParseUnsignedInteger(option, ':', &lock_profiling_threshold_)) {
+ return false;
+ }
+ } else if (StartsWith(option, "-Xstacktracefile:")) {
+ if (!ParseStringAfterChar(option, ':', &stack_trace_file_)) {
+ return false;
+ }
+ } else if (option == "sensitiveThread") {
+ const void* hook = options[i].second;
+ hook_is_sensitive_thread_ = reinterpret_cast<bool (*)()>(const_cast<void*>(hook));
+ } else if (option == "vfprintf") {
+ const void* hook = options[i].second;
+ if (hook == nullptr) {
+ Usage("vfprintf argument was NULL");
+ return false;
+ }
+ hook_vfprintf_ =
+ reinterpret_cast<int (*)(FILE *, const char*, va_list)>(const_cast<void*>(hook));
+ } else if (option == "exit") {
+ const void* hook = options[i].second;
+ if (hook == nullptr) {
+ Usage("exit argument was NULL");
+ return false;
+ }
+ hook_exit_ = reinterpret_cast<void(*)(jint)>(const_cast<void*>(hook));
+ } else if (option == "abort") {
+ const void* hook = options[i].second;
+ if (hook == nullptr) {
+ Usage("abort was NULL");
+ return false;
+ }
+ hook_abort_ = reinterpret_cast<void(*)()>(const_cast<void*>(hook));
+ } else if (option == "host-prefix") {
+ host_prefix_ = reinterpret_cast<const char*>(options[i].second);
+ } else if (option == "-Xmethod-trace") {
+ method_trace_ = true;
+ } else if (StartsWith(option, "-Xmethod-trace-file:")) {
+ method_trace_file_ = option.substr(strlen("-Xmethod-trace-file:"));
+ } else if (StartsWith(option, "-Xmethod-trace-file-size:")) {
+ if (!ParseUnsignedInteger(option, ':', &method_trace_file_size_)) {
+ return false;
+ }
+ } else if (option == "-Xprofile:threadcpuclock") {
+ Trace::SetDefaultClockSource(kProfilerClockSourceThreadCpu);
+ } else if (option == "-Xprofile:wallclock") {
+ Trace::SetDefaultClockSource(kProfilerClockSourceWall);
+ } else if (option == "-Xprofile:dualclock") {
+ Trace::SetDefaultClockSource(kProfilerClockSourceDual);
+ } else if (StartsWith(option, "-Xprofile:")) {
+ if (!ParseStringAfterChar(option, ';', &profile_output_filename_)) {
+ return false;
+ }
+ profile_ = true;
+ } else if (StartsWith(option, "-Xprofile-period:")) {
+ if (!ParseUnsignedInteger(option, ':', &profile_period_s_)) {
+ return false;
+ }
+ } else if (StartsWith(option, "-Xprofile-duration:")) {
+ if (!ParseUnsignedInteger(option, ':', &profile_duration_s_)) {
+ return false;
+ }
+ } else if (StartsWith(option, "-Xprofile-interval:")) {
+ if (!ParseUnsignedInteger(option, ':', &profile_interval_us_)) {
+ return false;
+ }
+ } else if (StartsWith(option, "-Xprofile-backoff:")) {
+ if (!ParseDouble(option, ':', 1.0, 10.0, &profile_backoff_coefficient_)) {
+ return false;
+ }
+ } else if (option == "-Xcompiler-option") {
+ i++;
+ if (i == options.size()) {
+ Usage("Missing required compiler option for %s", option.c_str());
+ return false;
+ }
+ compiler_options_.push_back(options[i].first);
+ } else if (option == "-Ximage-compiler-option") {
+ i++;
+ if (i == options.size()) {
+ Usage("Missing required compiler option for %s", option.c_str());
+ return false;
+ }
+ image_compiler_options_.push_back(options[i].first);
+ } else if (StartsWith(option, "-ea:") ||
+ StartsWith(option, "-da:") ||
+ StartsWith(option, "-enableassertions:") ||
+ StartsWith(option, "-disableassertions:") ||
+ (option == "-esa") ||
+ (option == "-dsa") ||
+ (option == "-enablesystemassertions") ||
+ (option == "-disablesystemassertions") ||
+ StartsWith(option, "-Xverify:") ||
+ (option == "-Xrs") ||
+ StartsWith(option, "-Xint:") ||
+ StartsWith(option, "-Xdexopt:") ||
+ (option == "-Xnoquithandler") ||
+ StartsWith(option, "-Xjniopts:") ||
+ StartsWith(option, "-Xjnigreflimit:") ||
+ (option == "-Xgenregmap") ||
+ (option == "-Xnogenregmap") ||
+ StartsWith(option, "-Xverifyopt:") ||
+ (option == "-Xcheckdexsum") ||
+ (option == "-Xincludeselectedop") ||
+ StartsWith(option, "-Xjitop:") ||
+ (option == "-Xincludeselectedmethod") ||
+ StartsWith(option, "-Xjitthreshold:") ||
+ StartsWith(option, "-Xjitcodecachesize:") ||
+ (option == "-Xjitblocking") ||
+ StartsWith(option, "-Xjitmethod:") ||
+ StartsWith(option, "-Xjitclass:") ||
+ StartsWith(option, "-Xjitoffset:") ||
+ StartsWith(option, "-Xjitconfig:") ||
+ (option == "-Xjitcheckcg") ||
+ (option == "-Xjitverbose") ||
+ (option == "-Xjitprofile") ||
+ (option == "-Xjitdisableopt") ||
+ (option == "-Xjitsuspendpoll") ||
+ StartsWith(option, "-XX:mainThreadStackSize=")) {
+ // Ignored for backwards compatibility.
+ } else if (!ignore_unrecognized) {
+ Usage("Unrecognized option %s", option.c_str());
+ return false;
+ }
+ }
+
+ // If a reference to the dalvik core.jar snuck in, replace it with
+ // the art specific version. This can happen with on device
+ // boot.art/boot.oat generation by GenerateImage which relies on the
+ // value of BOOTCLASSPATH.
+ std::string core_jar("/core.jar");
+ size_t core_jar_pos = boot_class_path_string_.find(core_jar);
+ if (core_jar_pos != std::string::npos) {
+ boot_class_path_string_.replace(core_jar_pos, core_jar.size(), "/core-libart.jar");
+ }
+
+ if (compiler_callbacks_ == nullptr && image_.empty()) {
+ image_ += GetAndroidRoot();
+ image_ += "/framework/boot.art";
+ }
+ if (heap_growth_limit_ == 0) {
+ heap_growth_limit_ = heap_maximum_size_;
+ }
+ if (background_collector_type_ == gc::kCollectorTypeNone) {
+ background_collector_type_ = collector_type_;
+ }
+ return true;
+}
+
+void ParsedOptions::Exit(int status) {
+ hook_exit_(status);
+}
+
+void ParsedOptions::Abort() {
+ hook_abort_();
+}
+
+void ParsedOptions::UsageMessageV(FILE* stream, const char* fmt, va_list ap) {
+ hook_vfprintf_(stderr, fmt, ap);
+}
+
+void ParsedOptions::UsageMessage(FILE* stream, const char* fmt, ...) {
+ va_list ap;
+ va_start(ap, fmt);
+ UsageMessageV(stream, fmt, ap);
+ va_end(ap);
+}
+
+void ParsedOptions::Usage(const char* fmt, ...) {
+ bool error = (fmt != nullptr);
+ FILE* stream = error ? stderr : stdout;
+
+ if (fmt != nullptr) {
+ va_list ap;
+ va_start(ap, fmt);
+ UsageMessageV(stream, fmt, ap);
+ va_end(ap);
+ }
+
+ const char* program = "dalvikvm";
+ UsageMessage(stream, "%s: [options] class [argument ...]\n", program);
+ UsageMessage(stream, "\n");
+ UsageMessage(stream, "The following standard options are supported:\n");
+ UsageMessage(stream, " -classpath classpath (-cp classpath)\n");
+ UsageMessage(stream, " -Dproperty=value\n");
+ UsageMessage(stream, " -verbose:tag ('gc', 'jni', or 'class')\n");
+ UsageMessage(stream, " -showversion\n");
+ UsageMessage(stream, " -help\n");
+ UsageMessage(stream, " -agentlib:jdwp=options\n");
+ UsageMessage(stream, "\n");
+
+ UsageMessage(stream, "The following extended options are supported:\n");
+ UsageMessage(stream, " -Xrunjdwp:<options>\n");
+ UsageMessage(stream, " -Xbootclasspath:bootclasspath\n");
+ UsageMessage(stream, " -Xcheck:tag (e.g. 'jni')\n");
+ UsageMessage(stream, " -XmsN (min heap, must be multiple of 1K, >= 1MB)\n");
+ UsageMessage(stream, " -XmxN (max heap, must be multiple of 1K, >= 2MB)\n");
+ UsageMessage(stream, " -XssN (stack size)\n");
+ UsageMessage(stream, " -Xint\n");
+ UsageMessage(stream, "\n");
+
+ UsageMessage(stream, "The following Dalvik options are supported:\n");
+ UsageMessage(stream, " -Xzygote\n");
+ UsageMessage(stream, " -Xjnitrace:substring (eg NativeClass or nativeMethod)\n");
+ UsageMessage(stream, " -Xstacktracefile:<filename>\n");
+ UsageMessage(stream, " -Xgc:[no]preverify\n");
+ UsageMessage(stream, " -Xgc:[no]postverify\n");
+ UsageMessage(stream, " -XX:+DisableExplicitGC\n");
+ UsageMessage(stream, " -XX:HeapGrowthLimit=N\n");
+ UsageMessage(stream, " -XX:HeapMinFree=N\n");
+ UsageMessage(stream, " -XX:HeapMaxFree=N\n");
+ UsageMessage(stream, " -XX:HeapTargetUtilization=doublevalue\n");
+ UsageMessage(stream, " -XX:LowMemoryMode\n");
+ UsageMessage(stream, " -Xprofile:{threadcpuclock,wallclock,dualclock}\n");
+ UsageMessage(stream, "\n");
+
+ UsageMessage(stream, "The following unique to ART options are supported:\n");
+ UsageMessage(stream, " -Xgc:[no]preverify_rosalloc\n");
+ UsageMessage(stream, " -Xgc:[no]postverify_rosalloc\n");
+ UsageMessage(stream, " -Ximage:filename\n");
+ UsageMessage(stream, " -XX:ParallelGCThreads=integervalue\n");
+ UsageMessage(stream, " -XX:ConcGCThreads=integervalue\n");
+ UsageMessage(stream, " -XX:MaxSpinsBeforeThinLockInflation=integervalue\n");
+ UsageMessage(stream, " -XX:LongPauseLogThreshold=integervalue\n");
+ UsageMessage(stream, " -XX:LongGCLogThreshold=integervalue\n");
+ UsageMessage(stream, " -XX:DumpGCPerformanceOnShutdown\n");
+ UsageMessage(stream, " -XX:IgnoreMaxFootprint\n");
+ UsageMessage(stream, " -XX:UseTLAB\n");
+ UsageMessage(stream, " -XX:BackgroundGC=none\n");
+ UsageMessage(stream, " -Xmethod-trace\n");
+ UsageMessage(stream, " -Xmethod-trace-file:filename");
+ UsageMessage(stream, " -Xmethod-trace-file-size:integervalue\n");
+ UsageMessage(stream, " -Xprofile=filename\n");
+ UsageMessage(stream, " -Xprofile-period:integervalue\n");
+ UsageMessage(stream, " -Xprofile-duration:integervalue\n");
+ UsageMessage(stream, " -Xprofile-interval:integervalue\n");
+ UsageMessage(stream, " -Xprofile-backoff:integervalue\n");
+ UsageMessage(stream, " -Xcompiler-option dex2oat-option\n");
+ UsageMessage(stream, " -Ximage-compiler-option dex2oat-option\n");
+ UsageMessage(stream, "\n");
+
+ UsageMessage(stream, "The following previously supported Dalvik options are ignored:\n");
+ UsageMessage(stream, " -ea[:<package name>... |:<class name>]\n");
+ UsageMessage(stream, " -da[:<package name>... |:<class name>]\n");
+ UsageMessage(stream, " (-enableassertions, -disableassertions)\n");
+ UsageMessage(stream, " -esa\n");
+ UsageMessage(stream, " -dsa\n");
+ UsageMessage(stream, " (-enablesystemassertions, -disablesystemassertions)\n");
+ UsageMessage(stream, " -Xverify:{none,remote,all}\n");
+ UsageMessage(stream, " -Xrs\n");
+ UsageMessage(stream, " -Xint:portable, -Xint:fast, -Xint:jit\n");
+ UsageMessage(stream, " -Xdexopt:{none,verified,all,full}\n");
+ UsageMessage(stream, " -Xnoquithandler\n");
+ UsageMessage(stream, " -Xjniopts:{warnonly,forcecopy}\n");
+ UsageMessage(stream, " -Xjnigreflimit:integervalue\n");
+ UsageMessage(stream, " -Xgc:[no]precise\n");
+ UsageMessage(stream, " -Xgc:[no]verifycardtable\n");
+ UsageMessage(stream, " -X[no]genregmap\n");
+ UsageMessage(stream, " -Xverifyopt:[no]checkmon\n");
+ UsageMessage(stream, " -Xcheckdexsum\n");
+ UsageMessage(stream, " -Xincludeselectedop\n");
+ UsageMessage(stream, " -Xjitop:hexopvalue[-endvalue][,hexopvalue[-endvalue]]*\n");
+ UsageMessage(stream, " -Xincludeselectedmethod\n");
+ UsageMessage(stream, " -Xjitthreshold:integervalue\n");
+ UsageMessage(stream, " -Xjitcodecachesize:decimalvalueofkbytes\n");
+ UsageMessage(stream, " -Xjitblocking\n");
+ UsageMessage(stream, " -Xjitmethod:signature[,signature]* (eg Ljava/lang/String\\;replace)\n");
+ UsageMessage(stream, " -Xjitclass:classname[,classname]*\n");
+ UsageMessage(stream, " -Xjitoffset:offset[,offset]\n");
+ UsageMessage(stream, " -Xjitconfig:filename\n");
+ UsageMessage(stream, " -Xjitcheckcg\n");
+ UsageMessage(stream, " -Xjitverbose\n");
+ UsageMessage(stream, " -Xjitprofile\n");
+ UsageMessage(stream, " -Xjitdisableopt\n");
+ UsageMessage(stream, " -Xjitsuspendpoll\n");
+ UsageMessage(stream, " -XX:mainThreadStackSize=N\n");
+ UsageMessage(stream, "\n");
+
+ Exit((error) ? 1 : 0);
+}
+
+bool ParsedOptions::ParseStringAfterChar(const std::string& s, char c, std::string* parsed_value) {
+ std::string::size_type colon = s.find(c);
+ if (colon == std::string::npos) {
+ Usage("Missing char %c in option %s", c, s.c_str());
+ return false;
+ }
+ // Add one to remove the char we were trimming until.
+ *parsed_value = s.substr(colon + 1);
+ return true;
+}
+
+bool ParsedOptions::ParseInteger(const std::string& s, char after_char, int* parsed_value) {
+ std::string::size_type colon = s.find(after_char);
+ if (colon == std::string::npos) {
+ Usage("Missing char %c in option %s", after_char, s.c_str());
+ return false;
+ }
+ const char* begin = &s[colon + 1];
+ char* end;
+ size_t result = strtoul(begin, &end, 10);
+ if (begin == end || *end != '\0') {
+ Usage("Failed to parse integer from %s ", s.c_str());
+ return false;
+ }
+ *parsed_value = result;
+ return true;
+}
+
+bool ParsedOptions::ParseUnsignedInteger(const std::string& s, char after_char,
+ unsigned int* parsed_value) {
+ int i;
+ if (!ParseInteger(s, after_char, &i)) {
+ return false;
+ }
+ if (i < 0) {
+ Usage("Negative value %d passed for unsigned option %s", i, s.c_str());
+ return false;
+ }
+ *parsed_value = i;
+ return true;
+}
+
+bool ParsedOptions::ParseDouble(const std::string& option, char after_char,
+ double min, double max, double* parsed_value) {
+ std::string substring;
+ if (!ParseStringAfterChar(option, after_char, &substring)) {
+ return false;
+ }
+ std::istringstream iss(substring);
+ double value;
+ iss >> value;
+ // Ensure that we have a value, there was no cruft after it and it satisfies a sensible range.
+ const bool sane_val = iss.eof() && (value >= min) && (value <= max);
+ if (!sane_val) {
+ Usage("Invalid double value %s for option %s", option.c_str());
+ return false;
+ }
+ *parsed_value = value;
+ return true;
+}
+
+} // namespace art
generated by cgit v1.2.3-59-g8ed1b (git 2.39.0) at 2025-10-20 01:46:09 +0000