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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 <memory>
#include <sstream>
#include <android-base/logging.h>
#include <android-base/strings.h>
#include "base/file_utils.h"
#include "base/flags.h"
#include "base/indenter.h"
#include "base/macros.h"
#include "base/utils.h"
#include "debugger.h"
#include "gc/heap.h"
#include "jni_id_type.h"
#include "monitor.h"
#include "runtime.h"
#include "ti/agent.h"
#include "trace.h"
#include "cmdline_parser.h"
#include "runtime_options.h"
namespace art {
using MemoryKiB = Memory<1024>;
ParsedOptions::ParsedOptions()
: hook_is_sensitive_thread_(nullptr),
hook_vfprintf_(vfprintf),
hook_exit_(exit),
hook_abort_(nullptr) { // We don't call abort(3) by default; see
// Runtime::Abort
}
bool ParsedOptions::Parse(const RuntimeOptions& options,
bool ignore_unrecognized,
RuntimeArgumentMap* runtime_options) {
CHECK(runtime_options != nullptr);
ParsedOptions parser;
return parser.DoParse(options, ignore_unrecognized, runtime_options);
}
using RuntimeParser = CmdlineParser<RuntimeArgumentMap, RuntimeArgumentMap::Key>;
using HiddenapiPolicyValueMap =
std::initializer_list<std::pair<const char*, hiddenapi::EnforcementPolicy>>;
// Yes, the stack frame is huge. But we get called super early on (and just once)
// to pass the command line arguments, so we'll probably be ok.
// Ideas to avoid suppressing this diagnostic are welcome!
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wframe-larger-than="
std::unique_ptr<RuntimeParser> ParsedOptions::MakeParser(bool ignore_unrecognized) {
using M = RuntimeArgumentMap;
std::unique_ptr<RuntimeParser::Builder> parser_builder =
std::make_unique<RuntimeParser::Builder>();
HiddenapiPolicyValueMap hiddenapi_policy_valuemap =
{{"disabled", hiddenapi::EnforcementPolicy::kDisabled},
{"just-warn", hiddenapi::EnforcementPolicy::kJustWarn},
{"enabled", hiddenapi::EnforcementPolicy::kEnabled}};
DCHECK_EQ(hiddenapi_policy_valuemap.size(),
static_cast<size_t>(hiddenapi::EnforcementPolicy::kMax) + 1);
parser_builder->
SetCategory("standard")
.Define({"-classpath _", "-cp _"})
.WithHelp("The classpath, separated by ':'")
.WithType<std::string>()
.IntoKey(M::ClassPath)
.Define("-D_")
.WithType<std::vector<std::string>>().AppendValues()
.IntoKey(M::PropertiesList)
.Define("-verbose:_")
.WithHelp("Switches for advanced logging. Multiple categories can be enabled separated by ','. Eg: -verbose:class,deopt")
.WithType<LogVerbosity>()
.IntoKey(M::Verbose)
.Define({"-help", "-h"})
.WithHelp("Print this help text.")
.IntoKey(M::Help)
.Define("-showversion")
.IntoKey(M::ShowVersion)
// TODO Re-enable -agentlib: once I have a good way to transform the values.
// .Define("-agentlib:_")
// .WithType<std::vector<ti::Agent>>().AppendValues()
// .IntoKey(M::AgentLib)
.Define("-agentpath:_")
.WithHelp("Load native agents.")
.WithType<std::list<ti::AgentSpec>>().AppendValues()
.IntoKey(M::AgentPath)
.SetCategory("extended")
.Define("-Xbootclasspath:_")
.WithType<ParseStringList<':'>>() // std::vector<std::string>, split by :
.IntoKey(M::BootClassPath)
.Define("-Xcheck:jni")
.IntoKey(M::CheckJni)
.Define("-Xms_")
.WithType<MemoryKiB>()
.IntoKey(M::MemoryInitialSize)
.Define("-Xmx_")
.WithType<MemoryKiB>()
.IntoKey(M::MemoryMaximumSize)
.Define("-Xss_")
.WithType<Memory<1>>()
.IntoKey(M::StackSize)
.Define("-Xint")
.WithValue(true)
.IntoKey(M::Interpret)
.SetCategory("Dalvik")
.Define("-Xzygote")
.WithHelp("Start as zygote")
.IntoKey(M::Zygote)
.Define("-Xjnitrace:_")
.WithType<std::string>()
.IntoKey(M::JniTrace)
.Define("-Xgc:_")
.WithType<XGcOption>()
.IntoKey(M::GcOption)
.Define("-XX:HeapGrowthLimit=_")
.WithType<MemoryKiB>()
.IntoKey(M::HeapGrowthLimit)
.Define("-XX:HeapMinFree=_")
.WithType<MemoryKiB>()
.IntoKey(M::HeapMinFree)
.Define("-XX:HeapMaxFree=_")
.WithType<MemoryKiB>()
.IntoKey(M::HeapMaxFree)
.Define("-XX:NonMovingSpaceCapacity=_")
.WithType<MemoryKiB>()
.IntoKey(M::NonMovingSpaceCapacity)
.Define("-XX:HeapTargetUtilization=_")
.WithType<double>().WithRange(0.1, 0.9)
.IntoKey(M::HeapTargetUtilization)
.Define("-XX:ForegroundHeapGrowthMultiplier=_")
.WithType<double>().WithRange(0.1, 5.0)
.IntoKey(M::ForegroundHeapGrowthMultiplier)
.Define("-XX:LowMemoryMode")
.IntoKey(M::LowMemoryMode)
.Define("-Xprofile:_")
.WithType<TraceClockSource>()
.WithValueMap({{"threadcpuclock", TraceClockSource::kThreadCpu},
{"wallclock", TraceClockSource::kWall},
{"dualclock", TraceClockSource::kDual}})
.IntoKey(M::ProfileClock)
.Define("-Xjitthreshold:_")
.WithType<unsigned int>()
.IntoKey(M::JITCompileThreshold)
.SetCategory("ART")
.Define("-Ximage:_")
.WithType<std::string>()
.IntoKey(M::Image)
.Define("-Xprimaryzygote")
.IntoKey(M::PrimaryZygote)
.Define("-Xbootclasspath-locations:_")
.WithType<ParseStringList<':'>>() // std::vector<std::string>, split by :
.IntoKey(M::BootClassPathLocations)
.Define("-Xjniopts:forcecopy")
.IntoKey(M::JniOptsForceCopy)
.Define("-XjdwpProvider:_")
.WithType<JdwpProvider>()
.IntoKey(M::JdwpProvider)
.Define("-XjdwpOptions:_")
.WithMetavar("OPTION[,OPTION...]")
.WithHelp("JDWP options. Eg suspend=n,server=y.")
.WithType<std::string>()
.IntoKey(M::JdwpOptions)
.Define("-XX:StopForNativeAllocs=_")
.WithType<MemoryKiB>()
.IntoKey(M::StopForNativeAllocs)
.Define("-XX:ParallelGCThreads=_")
.WithType<unsigned int>()
.IntoKey(M::ParallelGCThreads)
.Define("-XX:ConcGCThreads=_")
.WithType<unsigned int>()
.IntoKey(M::ConcGCThreads)
.Define("-XX:FinalizerTimeoutMs=_")
.WithType<unsigned int>()
.IntoKey(M::FinalizerTimeoutMs)
.Define("-XX:MaxSpinsBeforeThinLockInflation=_")
.WithType<unsigned int>()
.IntoKey(M::MaxSpinsBeforeThinLockInflation)
.Define("-XX:LongPauseLogThreshold=_") // in ms
.WithType<MillisecondsToNanoseconds>() // store as ns
.IntoKey(M::LongPauseLogThreshold)
.Define("-XX:LongGCLogThreshold=_") // in ms
.WithType<MillisecondsToNanoseconds>() // store as ns
.IntoKey(M::LongGCLogThreshold)
.Define("-XX:DumpGCPerformanceOnShutdown")
.IntoKey(M::DumpGCPerformanceOnShutdown)
.Define("-XX:DumpRegionInfoBeforeGC")
.IntoKey(M::DumpRegionInfoBeforeGC)
.Define("-XX:DumpRegionInfoAfterGC")
.IntoKey(M::DumpRegionInfoAfterGC)
.Define("-XX:DumpJITInfoOnShutdown")
.IntoKey(M::DumpJITInfoOnShutdown)
.Define("-XX:IgnoreMaxFootprint")
.IntoKey(M::IgnoreMaxFootprint)
.Define("-XX:AlwaysLogExplicitGcs:_")
.WithHelp("Allows one to control the logging of explicit GCs. Defaults to 'true'")
.WithType<bool>()
.WithValueMap({{"false", false}, {"true", true}})
.IntoKey(M::AlwaysLogExplicitGcs)
.Define("-XX:UseTLAB")
.WithValue(true)
.IntoKey(M::UseTLAB)
.Define({"-XX:EnableHSpaceCompactForOOM", "-XX:DisableHSpaceCompactForOOM"})
.WithValues({true, false})
.IntoKey(M::EnableHSpaceCompactForOOM)
.Define("-XX:DumpNativeStackOnSigQuit:_")
.WithType<bool>()
.WithValueMap({{"false", false}, {"true", true}})
.IntoKey(M::DumpNativeStackOnSigQuit)
.Define("-XX:MadviseRandomAccess:_")
.WithType<bool>()
.WithValueMap({{"false", false}, {"true", true}})
.IntoKey(M::MadviseRandomAccess)
.Define("-XMadviseWillNeedVdexFileSize:_")
.WithType<unsigned int>()
.IntoKey(M::MadviseWillNeedVdexFileSize)
.Define("-XMadviseWillNeedOdexFileSize:_")
.WithType<unsigned int>()
.IntoKey(M::MadviseWillNeedOdexFileSize)
.Define("-XMadviseWillNeedArtFileSize:_")
.WithType<unsigned int>()
.IntoKey(M::MadviseWillNeedArtFileSize)
.Define("-Xusejit:_")
.WithType<bool>()
.WithValueMap({{"false", false}, {"true", true}})
.IntoKey(M::UseJitCompilation)
.Define("-Xuseprofiledjit:_")
.WithType<bool>()
.WithValueMap({{"false", false}, {"true", true}})
.IntoKey(M::UseProfiledJitCompilation)
.Define("-Xjitinitialsize:_")
.WithType<MemoryKiB>()
.IntoKey(M::JITCodeCacheInitialCapacity)
.Define("-Xjitmaxsize:_")
.WithType<MemoryKiB>()
.IntoKey(M::JITCodeCacheMaxCapacity)
.Define("-Xjitwarmupthreshold:_")
.WithType<unsigned int>()
.IntoKey(M::JITWarmupThreshold)
.Define("-Xjitosrthreshold:_")
.WithType<unsigned int>()
.IntoKey(M::JITOsrThreshold)
.Define("-Xjitprithreadweight:_")
.WithType<unsigned int>()
.IntoKey(M::JITPriorityThreadWeight)
.Define("-Xjittransitionweight:_")
.WithType<unsigned int>()
.IntoKey(M::JITInvokeTransitionWeight)
.Define("-Xjitpthreadpriority:_")
.WithType<int>()
.IntoKey(M::JITPoolThreadPthreadPriority)
.Define("-Xjitzygotepthreadpriority:_")
.WithType<int>()
.IntoKey(M::JITZygotePoolThreadPthreadPriority)
.Define("-Xjitsaveprofilinginfo")
.WithType<ProfileSaverOptions>()
.AppendValues()
.IntoKey(M::ProfileSaverOpts)
// .Define("-Xps-_") // profile saver options -Xps-<key>:<value>
// .WithType<ProfileSaverOptions>()
// .AppendValues()
// .IntoKey(M::ProfileSaverOpts) // NOTE: Appends into same key as -Xjitsaveprofilinginfo
// profile saver options -Xps-<key>:<value> but are split-out for better help messages.
// The order of these is important. We want the wildcard one to be the
// only one actually matched so it needs to be first.
// TODO This should be redone.
.Define({"-Xps-_",
"-Xps-min-save-period-ms:_",
"-Xps-min-first-save-ms:_",
"-Xps-save-resolved-classes-delayed-ms:_",
"-Xps-hot-startup-method-samples:_",
"-Xps-min-methods-to-save:_",
"-Xps-min-classes-to-save:_",
"-Xps-min-notification-before-wake:_",
"-Xps-max-notification-before-wake:_",
"-Xps-profile-path:_"})
.WithHelp("profile-saver options -Xps-<key>:<value>")
.WithType<ProfileSaverOptions>()
.AppendValues()
.IntoKey(M::ProfileSaverOpts) // NOTE: Appends into same key as -Xjitsaveprofilinginfo
.Define("-XX:HspaceCompactForOOMMinIntervalMs=_") // in ms
.WithType<MillisecondsToNanoseconds>() // store as ns
.IntoKey(M::HSpaceCompactForOOMMinIntervalsMs)
.Define({"-Xrelocate", "-Xnorelocate"})
.WithValues({true, false})
.IntoKey(M::Relocate)
.Define({"-Ximage-dex2oat", "-Xnoimage-dex2oat"})
.WithValues({true, false})
.IntoKey(M::ImageDex2Oat)
.Define("-XX:LargeObjectSpace=_")
.WithType<gc::space::LargeObjectSpaceType>()
.WithValueMap({{"disabled", gc::space::LargeObjectSpaceType::kDisabled},
{"freelist", gc::space::LargeObjectSpaceType::kFreeList},
{"map", gc::space::LargeObjectSpaceType::kMap}})
.IntoKey(M::LargeObjectSpace)
.Define("-XX:LargeObjectThreshold=_")
.WithType<Memory<1>>()
.IntoKey(M::LargeObjectThreshold)
.Define("-XX:BackgroundGC=_")
.WithType<BackgroundGcOption>()
.IntoKey(M::BackgroundGc)
.Define("-XX:+DisableExplicitGC")
.IntoKey(M::DisableExplicitGC)
.Define("-Xlockprofthreshold:_")
.WithType<unsigned int>()
.IntoKey(M::LockProfThreshold)
.Define("-Xstackdumplockprofthreshold:_")
.WithType<unsigned int>()
.IntoKey(M::StackDumpLockProfThreshold)
.Define("-Xmethod-trace")
.IntoKey(M::MethodTrace)
.Define("-Xmethod-trace-file:_")
.WithType<std::string>()
.IntoKey(M::MethodTraceFile)
.Define("-Xmethod-trace-file-size:_")
.WithType<unsigned int>()
.IntoKey(M::MethodTraceFileSize)
.Define("-Xmethod-trace-stream")
.IntoKey(M::MethodTraceStreaming)
.Define("-Xcompiler:_")
.WithType<std::string>()
.IntoKey(M::Compiler)
.Define("-Xcompiler-option _")
.WithType<std::vector<std::string>>()
.AppendValues()
.IntoKey(M::CompilerOptions)
.Define("-Ximage-compiler-option _")
.WithType<std::vector<std::string>>()
.AppendValues()
.IntoKey(M::ImageCompilerOptions)
.Define("-Xverify:_")
.WithType<verifier::VerifyMode>()
.WithValueMap({{"none", verifier::VerifyMode::kNone},
{"remote", verifier::VerifyMode::kEnable},
{"all", verifier::VerifyMode::kEnable},
{"softfail", verifier::VerifyMode::kSoftFail}})
.IntoKey(M::Verify)
.Define("-XX:NativeBridge=_")
.WithType<std::string>()
.IntoKey(M::NativeBridge)
.Define("-Xzygote-max-boot-retry=_")
.WithType<unsigned int>()
.IntoKey(M::ZygoteMaxFailedBoots)
.Define("-Xno-sig-chain")
.IntoKey(M::NoSigChain)
.Define("--cpu-abilist=_")
.WithType<std::string>()
.IntoKey(M::CpuAbiList)
.Define("-Xfingerprint:_")
.WithType<std::string>()
.IntoKey(M::Fingerprint)
.Define("-Xexperimental:_")
.WithType<ExperimentalFlags>()
.AppendValues()
.IntoKey(M::Experimental)
.Define("-Xforce-nb-testing")
.IntoKey(M::ForceNativeBridge)
.Define("-Xplugin:_")
.WithHelp("Load and initialize the specified art-plugin.")
.WithType<std::vector<Plugin>>().AppendValues()
.IntoKey(M::Plugins)
.Define("-XX:ThreadSuspendTimeout=_") // in ms
.WithType<MillisecondsToNanoseconds>() // store as ns
.IntoKey(M::ThreadSuspendTimeout)
.Define("-XX:MonitorTimeoutEnable=_")
.WithType<bool>()
.WithValueMap({{"false", false}, {"true", true}})
.IntoKey(M::MonitorTimeoutEnable)
.Define("-XX:MonitorTimeout=_") // in ms
.WithType<int>()
.IntoKey(M::MonitorTimeout)
.Define("-XX:GlobalRefAllocStackTraceLimit=_") // Number of free slots to enable tracing.
.WithType<unsigned int>()
.IntoKey(M::GlobalRefAllocStackTraceLimit)
.Define("-XX:SlowDebug=_")
.WithType<bool>()
.WithValueMap({{"false", false}, {"true", true}})
.IntoKey(M::SlowDebug)
.Define("-Xtarget-sdk-version:_")
.WithType<unsigned int>()
.IntoKey(M::TargetSdkVersion)
.Define("-Xhidden-api-policy:_")
.WithType<hiddenapi::EnforcementPolicy>()
.WithValueMap(hiddenapi_policy_valuemap)
.IntoKey(M::HiddenApiPolicy)
.Define("-Xcore-platform-api-policy:_")
.WithType<hiddenapi::EnforcementPolicy>()
.WithValueMap(hiddenapi_policy_valuemap)
.IntoKey(M::CorePlatformApiPolicy)
.Define("-Xuse-stderr-logger")
.IntoKey(M::UseStderrLogger)
.Define("-Xonly-use-system-oat-files")
.IntoKey(M::OnlyUseTrustedOatFiles)
.Define("-Xdeny-art-apex-data-files")
.IntoKey(M::DenyArtApexDataFiles)
.Define("-Xverifier-logging-threshold=_")
.WithType<unsigned int>()
.IntoKey(M::VerifierLoggingThreshold)
.Define("-XX:FastClassNotFoundException=_")
.WithType<bool>()
.WithValueMap({{"false", false}, {"true", true}})
.IntoKey(M::FastClassNotFoundException)
.Define("-Xopaque-jni-ids:_")
.WithHelp("Control the representation of jmethodID and jfieldID values")
.WithType<JniIdType>()
.WithValueMap({{"true", JniIdType::kIndices},
{"false", JniIdType::kPointer},
{"swapable", JniIdType::kSwapablePointer},
{"pointer", JniIdType::kPointer},
{"indices", JniIdType::kIndices},
{"default", JniIdType::kDefault}})
.IntoKey(M::OpaqueJniIds)
.Define("-Xauto-promote-opaque-jni-ids:_")
.WithType<bool>()
.WithValueMap({{"true", true}, {"false", false}})
.IntoKey(M::AutoPromoteOpaqueJniIds)
.Define("-XX:VerifierMissingKThrowFatal=_")
.WithType<bool>()
.WithValueMap({{"false", false}, {"true", true}})
.IntoKey(M::VerifierMissingKThrowFatal)
.Define("-XX:ForceJavaZygoteForkLoop=_")
.WithType<bool>()
.WithValueMap({{"false", false}, {"true", true}})
.IntoKey(M::ForceJavaZygoteForkLoop)
.Define("-XX:PerfettoHprof=_")
.WithType<bool>()
.WithValueMap({{"false", false}, {"true", true}})
.IntoKey(M::PerfettoHprof)
.Define("-XX:PerfettoJavaHeapStackProf=_")
.WithType<bool>()
.WithValueMap({{"false", false}, {"true", true}})
.IntoKey(M::PerfettoJavaHeapStackProf);
FlagBase::AddFlagsToCmdlineParser(parser_builder.get());
parser_builder->Ignore({
"-ea", "-da", "-enableassertions", "-disableassertions", "--runtime-arg", "-esa",
"-dsa", "-enablesystemassertions", "-disablesystemassertions", "-Xrs", "-Xint:_",
"-Xdexopt:_", "-Xnoquithandler", "-Xjnigreflimit:_", "-Xgenregmap", "-Xnogenregmap",
"-Xverifyopt:_", "-Xcheckdexsum", "-Xincludeselectedop", "-Xjitop:_",
"-Xincludeselectedmethod",
"-Xjitblocking", "-Xjitmethod:_", "-Xjitclass:_", "-Xjitoffset:_",
"-Xjitconfig:_", "-Xjitcheckcg", "-Xjitverbose", "-Xjitprofile",
"-Xjitdisableopt", "-Xjitsuspendpoll", "-XX:mainThreadStackSize=_"})
.IgnoreUnrecognized(ignore_unrecognized)
.OrderCategories({"standard", "extended", "Dalvik", "ART"});
// TODO: Move Usage information into this DSL.
return std::make_unique<RuntimeParser>(parser_builder->Build());
}
#pragma GCC diagnostic pop
// Remove all the special options that have something in the void* part of the option.
// If runtime_options is not null, put the options in there.
// As a side-effect, populate the hooks from options.
bool ParsedOptions::ProcessSpecialOptions(const RuntimeOptions& options,
RuntimeArgumentMap* runtime_options,
std::vector<std::string>* out_options) {
using M = RuntimeArgumentMap;
// TODO: Move the below loop into JNI
// Handle special options that set up hooks
for (size_t i = 0; i < options.size(); ++i) {
const std::string option(options[i].first);
// TODO: support -Djava.class.path
if (option == "bootclasspath") {
auto boot_class_path = static_cast<std::vector<std::unique_ptr<const DexFile>>*>(
const_cast<void*>(options[i].second));
if (runtime_options != nullptr) {
runtime_options->Set(M::BootClassPathDexList, boot_class_path);
}
} else if (option == "compilercallbacks") {
CompilerCallbacks* compiler_callbacks =
reinterpret_cast<CompilerCallbacks*>(const_cast<void*>(options[i].second));
if (runtime_options != nullptr) {
runtime_options->Set(M::CompilerCallbacksPtr, compiler_callbacks);
}
} else if (option == "imageinstructionset") {
const char* isa_str = reinterpret_cast<const char*>(options[i].second);
auto&& image_isa = GetInstructionSetFromString(isa_str);
if (image_isa == InstructionSet::kNone) {
Usage("%s is not a valid instruction set.", isa_str);
return false;
}
if (runtime_options != nullptr) {
runtime_options->Set(M::ImageInstructionSet, image_isa);
}
} else if (option == "sensitiveThread") {
const void* hook = options[i].second;
bool (*hook_is_sensitive_thread)() = reinterpret_cast<bool (*)()>(const_cast<void*>(hook));
if (runtime_options != nullptr) {
runtime_options->Set(M::HookIsSensitiveThread, hook_is_sensitive_thread);
}
} else if (option == "vfprintf") {
const void* hook = options[i].second;
if (hook == nullptr) {
Usage("vfprintf argument was nullptr");
return false;
}
int (*hook_vfprintf)(FILE *, const char*, va_list) =
reinterpret_cast<int (*)(FILE *, const char*, va_list)>(const_cast<void*>(hook));
if (runtime_options != nullptr) {
runtime_options->Set(M::HookVfprintf, hook_vfprintf);
}
hook_vfprintf_ = hook_vfprintf;
} else if (option == "exit") {
const void* hook = options[i].second;
if (hook == nullptr) {
Usage("exit argument was nullptr");
return false;
}
void(*hook_exit)(jint) = reinterpret_cast<void(*)(jint)>(const_cast<void*>(hook));
if (runtime_options != nullptr) {
runtime_options->Set(M::HookExit, hook_exit);
}
hook_exit_ = hook_exit;
} else if (option == "abort") {
const void* hook = options[i].second;
if (hook == nullptr) {
Usage("abort was nullptr\n");
return false;
}
void(*hook_abort)() = reinterpret_cast<void(*)()>(const_cast<void*>(hook));
if (runtime_options != nullptr) {
runtime_options->Set(M::HookAbort, hook_abort);
}
hook_abort_ = hook_abort;
} else {
// It is a regular option, that doesn't have a known 'second' value.
// Push it on to the regular options which will be parsed by our parser.
if (out_options != nullptr) {
out_options->push_back(option);
}
}
}
return true;
}
// Intended for local changes only.
static void MaybeOverrideVerbosity() {
// gLogVerbosity.class_linker = true; // TODO: don't check this in!
// gLogVerbosity.collector = true; // TODO: don't check this in!
// gLogVerbosity.compiler = true; // TODO: don't check this in!
// gLogVerbosity.deopt = true; // TODO: don't check this in!
// gLogVerbosity.gc = true; // TODO: don't check this in!
// gLogVerbosity.heap = true; // TODO: don't check this in!
// gLogVerbosity.image = true; // TODO: don't check this in!
// gLogVerbosity.interpreter = true; // TODO: don't check this in!
// gLogVerbosity.jdwp = true; // TODO: don't check this in!
// gLogVerbosity.jit = 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.oat = true; // TODO: don't check this in!
// gLogVerbosity.profiler = true; // TODO: don't check this in!
// gLogVerbosity.signals = true; // TODO: don't check this in!
// gLogVerbosity.simulator = 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!
// gLogVerbosity.verifier = true; // TODO: don't check this in!
}
bool ParsedOptions::DoParse(const RuntimeOptions& options,
bool ignore_unrecognized,
RuntimeArgumentMap* runtime_options) {
for (size_t i = 0; i < options.size(); ++i) {
if (true && options[0].first == "-Xzygote") {
LOG(INFO) << "option[" << i << "]=" << options[i].first;
}
}
auto parser = MakeParser(ignore_unrecognized);
// Convert to a simple string list (without the magic pointer options)
std::vector<std::string> argv_list;
if (!ProcessSpecialOptions(options, nullptr, &argv_list)) {
return false;
}
CmdlineResult parse_result = parser->Parse(argv_list);
// Handle parse errors by displaying the usage and potentially exiting.
if (parse_result.IsError()) {
if (parse_result.GetStatus() == CmdlineResult::kUsage) {
UsageMessage(stdout, "%s\n", parse_result.GetMessage().c_str());
Exit(0);
} else if (parse_result.GetStatus() == CmdlineResult::kUnknown && !ignore_unrecognized) {
Usage("%s\n", parse_result.GetMessage().c_str());
return false;
} else {
Usage("%s\n", parse_result.GetMessage().c_str());
Exit(0);
}
UNREACHABLE();
}
using M = RuntimeArgumentMap;
RuntimeArgumentMap args = parser->ReleaseArgumentsMap();
// -help, -showversion, etc.
if (args.Exists(M::Help)) {
Usage(nullptr);
return false;
} else if (args.Exists(M::ShowVersion)) {
UsageMessage(stdout,
"ART version %s %s\n",
Runtime::GetVersion(),
GetInstructionSetString(kRuntimeISA));
Exit(0);
} else if (args.Exists(M::BootClassPath)) {
LOG(INFO) << "setting boot class path to " << args.Get(M::BootClassPath)->Join();
}
if (args.GetOrDefault(M::Interpret)) {
if (args.Exists(M::UseJitCompilation) && *args.Get(M::UseJitCompilation)) {
Usage("-Xusejit:true and -Xint cannot be specified together\n");
Exit(0);
}
args.Set(M::UseJitCompilation, false);
}
// Set a default boot class path if we didn't get an explicit one via command line.
const char* env_bcp = getenv("BOOTCLASSPATH");
if (env_bcp != nullptr) {
args.SetIfMissing(M::BootClassPath, ParseStringList<':'>::Split(env_bcp));
}
// Set a default class path if we didn't get an explicit one via command line.
if (getenv("CLASSPATH") != nullptr) {
args.SetIfMissing(M::ClassPath, std::string(getenv("CLASSPATH")));
}
// Default to number of processors minus one since the main GC thread also does work.
args.SetIfMissing(M::ParallelGCThreads, gc::Heap::kDefaultEnableParallelGC ?
static_cast<unsigned int>(sysconf(_SC_NPROCESSORS_CONF) - 1u) : 0u);
// -verbose:
{
LogVerbosity *log_verbosity = args.Get(M::Verbose);
if (log_verbosity != nullptr) {
gLogVerbosity = *log_verbosity;
}
}
MaybeOverrideVerbosity();
SetRuntimeDebugFlagsEnabled(args.GetOrDefault(M::SlowDebug));
// -Xprofile:
Trace::SetDefaultClockSource(args.GetOrDefault(M::ProfileClock));
if (!ProcessSpecialOptions(options, &args, nullptr)) {
return false;
}
{
// If not set, background collector type defaults to homogeneous compaction.
// If not low memory mode, semispace otherwise.
gc::CollectorType background_collector_type_;
gc::CollectorType collector_type_ = (XGcOption{}).collector_type_;
bool low_memory_mode_ = args.Exists(M::LowMemoryMode);
background_collector_type_ = args.GetOrDefault(M::BackgroundGc);
{
XGcOption* xgc = args.Get(M::GcOption);
if (xgc != nullptr && xgc->collector_type_ != gc::kCollectorTypeNone) {
collector_type_ = xgc->collector_type_;
}
}
if (background_collector_type_ == gc::kCollectorTypeNone) {
background_collector_type_ = low_memory_mode_ ?
gc::kCollectorTypeSS : gc::kCollectorTypeHomogeneousSpaceCompact;
}
args.Set(M::BackgroundGc, BackgroundGcOption { background_collector_type_ });
}
const ParseStringList<':'>* boot_class_path_locations = args.Get(M::BootClassPathLocations);
if (boot_class_path_locations != nullptr && boot_class_path_locations->Size() != 0u) {
const ParseStringList<':'>* boot_class_path = args.Get(M::BootClassPath);
if (boot_class_path == nullptr ||
boot_class_path_locations->Size() != boot_class_path->Size()) {
Usage("The number of boot class path files does not match"
" the number of boot class path locations given\n"
" boot class path files (%zu): %s\n"
" boot class path locations (%zu): %s\n",
(boot_class_path != nullptr) ? boot_class_path->Size() : 0u,
(boot_class_path != nullptr) ? boot_class_path->Join().c_str() : "<nil>",
boot_class_path_locations->Size(),
boot_class_path_locations->Join().c_str());
return false;
}
}
if (!args.Exists(M::CompilerCallbacksPtr) && !args.Exists(M::Image)) {
const bool deny_art_apex_data_files = args.Exists(M::DenyArtApexDataFiles);
std::string image =
GetDefaultBootImageLocation(GetAndroidRoot(), deny_art_apex_data_files);
args.Set(M::Image, image);
}
// 0 means no growth limit, and growth limit should be always <= heap size
if (args.GetOrDefault(M::HeapGrowthLimit) <= 0u ||
args.GetOrDefault(M::HeapGrowthLimit) > args.GetOrDefault(M::MemoryMaximumSize)) {
args.Set(M::HeapGrowthLimit, args.GetOrDefault(M::MemoryMaximumSize));
}
*runtime_options = std::move(args);
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_(stream, 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");
std::stringstream oss;
VariableIndentationOutputStream vios(&oss);
auto parser = MakeParser(false);
parser->DumpHelp(vios);
UsageMessage(stream, oss.str().c_str());
Exit((error) ? 1 : 0);
}
} // namespace art