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/*
* Copyright (C) 2012 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 "common_runtime_test.h"
#include <dirent.h>
#include <dlfcn.h>
#include <fcntl.h>
#include <stdlib.h>
#include <cstdio>
#include "nativehelper/scoped_local_ref.h"
#include "android-base/stringprintf.h"
#include <unicode/uvernum.h>
#include "art_field-inl.h"
#include "base/file_utils.h"
#include "base/logging.h"
#include "base/macros.h"
#include "base/mem_map.h"
#include "base/mutex.h"
#include "base/os.h"
#include "base/runtime_debug.h"
#include "base/stl_util.h"
#include "base/unix_file/fd_file.h"
#include "class_linker.h"
#include "class_loader_utils.h"
#include "compiler_callbacks.h"
#include "dex/art_dex_file_loader.h"
#include "dex/dex_file-inl.h"
#include "dex/dex_file_loader.h"
#include "dex/primitive.h"
#include "gc/heap.h"
#include "gc_root-inl.h"
#include "gtest/gtest.h"
#include "handle_scope-inl.h"
#include "interpreter/unstarted_runtime.h"
#include "jni/java_vm_ext.h"
#include "jni/jni_internal.h"
#include "mirror/class-inl.h"
#include "mirror/class_loader.h"
#include "native/dalvik_system_DexFile.h"
#include "noop_compiler_callbacks.h"
#include "runtime-inl.h"
#include "scoped_thread_state_change-inl.h"
#include "thread.h"
#include "well_known_classes.h"
int main(int argc, char **argv) {
// Gtests can be very noisy. For example, an executable with multiple tests will trigger native
// bridge warnings. The following line reduces the minimum log severity to ERROR and suppresses
// everything else. In case you want to see all messages, comment out the line.
setenv("ANDROID_LOG_TAGS", "*:e", 1);
art::Locks::Init();
art::InitLogging(argv, art::Runtime::Abort);
art::MemMap::Init();
LOG(INFO) << "Running main() from common_runtime_test.cc...";
testing::InitGoogleTest(&argc, argv);
return RUN_ALL_TESTS();
}
namespace art {
using android::base::StringPrintf;
static bool unstarted_initialized_ = false;
CommonRuntimeTestImpl::CommonRuntimeTestImpl()
: class_linker_(nullptr), java_lang_dex_file_(nullptr) {
}
CommonRuntimeTestImpl::~CommonRuntimeTestImpl() {
// Ensure the dex files are cleaned up before the runtime.
loaded_dex_files_.clear();
runtime_.reset();
}
std::string CommonRuntimeTestImpl::GetAndroidTargetToolsDir(InstructionSet isa) {
switch (isa) {
case InstructionSet::kArm:
case InstructionSet::kThumb2:
return GetAndroidToolsDir("prebuilts/gcc/linux-x86/arm",
"arm-linux-androideabi",
"arm-linux-androideabi");
case InstructionSet::kArm64:
return GetAndroidToolsDir("prebuilts/gcc/linux-x86/aarch64",
"aarch64-linux-android",
"aarch64-linux-android");
case InstructionSet::kX86:
case InstructionSet::kX86_64:
return GetAndroidToolsDir("prebuilts/gcc/linux-x86/x86",
"x86_64-linux-android",
"x86_64-linux-android");
case InstructionSet::kMips:
case InstructionSet::kMips64:
return GetAndroidToolsDir("prebuilts/gcc/linux-x86/mips",
"mips64el-linux-android",
"mips64el-linux-android");
case InstructionSet::kNone:
break;
}
ADD_FAILURE() << "Invalid isa " << isa;
return "";
}
void CommonRuntimeTestImpl::SetUp() {
CommonArtTestImpl::SetUp();
std::string min_heap_string(StringPrintf("-Xms%zdm", gc::Heap::kDefaultInitialSize / MB));
std::string max_heap_string(StringPrintf("-Xmx%zdm", gc::Heap::kDefaultMaximumSize / MB));
RuntimeOptions options;
std::string boot_class_path_string = "-Xbootclasspath";
for (const std::string &core_dex_file_name : GetLibCoreDexFileNames()) {
boot_class_path_string += ":";
boot_class_path_string += core_dex_file_name;
}
options.push_back(std::make_pair(boot_class_path_string, nullptr));
options.push_back(std::make_pair("-Xcheck:jni", nullptr));
options.push_back(std::make_pair(min_heap_string, nullptr));
options.push_back(std::make_pair(max_heap_string, nullptr));
options.push_back(std::make_pair("-XX:SlowDebug=true", nullptr));
static bool gSlowDebugTestFlag = false;
RegisterRuntimeDebugFlag(&gSlowDebugTestFlag);
callbacks_.reset(new NoopCompilerCallbacks());
SetUpRuntimeOptions(&options);
// Install compiler-callbacks if SetupRuntimeOptions hasn't deleted them.
if (callbacks_.get() != nullptr) {
options.push_back(std::make_pair("compilercallbacks", callbacks_.get()));
}
PreRuntimeCreate();
if (!Runtime::Create(options, false)) {
LOG(FATAL) << "Failed to create runtime";
return;
}
PostRuntimeCreate();
runtime_.reset(Runtime::Current());
class_linker_ = runtime_->GetClassLinker();
// Runtime::Create acquired the mutator_lock_ that is normally given away when we
// Runtime::Start, give it away now and then switch to a more managable ScopedObjectAccess.
Thread::Current()->TransitionFromRunnableToSuspended(kNative);
// Get the boot class path from the runtime so it can be used in tests.
boot_class_path_ = class_linker_->GetBootClassPath();
ASSERT_FALSE(boot_class_path_.empty());
java_lang_dex_file_ = boot_class_path_[0];
FinalizeSetup();
// Ensure that we're really running with debug checks enabled.
CHECK(gSlowDebugTestFlag);
}
void CommonRuntimeTestImpl::FinalizeSetup() {
// Initialize maps for unstarted runtime. This needs to be here, as running clinits needs this
// set up.
if (!unstarted_initialized_) {
interpreter::UnstartedRuntime::Initialize();
unstarted_initialized_ = true;
}
{
ScopedObjectAccess soa(Thread::Current());
runtime_->RunRootClinits(soa.Self());
}
// We're back in native, take the opportunity to initialize well known classes.
WellKnownClasses::Init(Thread::Current()->GetJniEnv());
// Create the heap thread pool so that the GC runs in parallel for tests. Normally, the thread
// pool is created by the runtime.
runtime_->GetHeap()->CreateThreadPool();
runtime_->GetHeap()->VerifyHeap(); // Check for heap corruption before the test
// Reduce timinig-dependent flakiness in OOME behavior (eg StubTest.AllocObject).
runtime_->GetHeap()->SetMinIntervalHomogeneousSpaceCompactionByOom(0U);
}
void CommonRuntimeTestImpl::TearDown() {
CommonArtTestImpl::TearDown();
if (runtime_ != nullptr) {
runtime_->GetHeap()->VerifyHeap(); // Check for heap corruption after the test
}
}
// Check that for target builds we have ART_TARGET_NATIVETEST_DIR set.
#ifdef ART_TARGET
#ifndef ART_TARGET_NATIVETEST_DIR
#error "ART_TARGET_NATIVETEST_DIR not set."
#endif
// Wrap it as a string literal.
#define ART_TARGET_NATIVETEST_DIR_STRING STRINGIFY(ART_TARGET_NATIVETEST_DIR) "/"
#else
#define ART_TARGET_NATIVETEST_DIR_STRING ""
#endif
std::vector<const DexFile*> CommonRuntimeTestImpl::GetDexFiles(jobject jclass_loader) {
ScopedObjectAccess soa(Thread::Current());
StackHandleScope<1> hs(soa.Self());
Handle<mirror::ClassLoader> class_loader = hs.NewHandle(
soa.Decode<mirror::ClassLoader>(jclass_loader));
return GetDexFiles(soa, class_loader);
}
std::vector<const DexFile*> CommonRuntimeTestImpl::GetDexFiles(
ScopedObjectAccess& soa,
Handle<mirror::ClassLoader> class_loader) {
DCHECK(
(class_loader->GetClass() ==
soa.Decode<mirror::Class>(WellKnownClasses::dalvik_system_PathClassLoader)) ||
(class_loader->GetClass() ==
soa.Decode<mirror::Class>(WellKnownClasses::dalvik_system_DelegateLastClassLoader)));
std::vector<const DexFile*> ret;
VisitClassLoaderDexFiles(soa,
class_loader,
[&](const DexFile* cp_dex_file) {
if (cp_dex_file == nullptr) {
LOG(WARNING) << "Null DexFile";
} else {
ret.push_back(cp_dex_file);
}
return true;
});
return ret;
}
const DexFile* CommonRuntimeTestImpl::GetFirstDexFile(jobject jclass_loader) {
std::vector<const DexFile*> tmp(GetDexFiles(jclass_loader));
DCHECK(!tmp.empty());
const DexFile* ret = tmp[0];
DCHECK(ret != nullptr);
return ret;
}
jobject CommonRuntimeTestImpl::LoadMultiDex(const char* first_dex_name,
const char* second_dex_name) {
std::vector<std::unique_ptr<const DexFile>> first_dex_files = OpenTestDexFiles(first_dex_name);
std::vector<std::unique_ptr<const DexFile>> second_dex_files = OpenTestDexFiles(second_dex_name);
std::vector<const DexFile*> class_path;
CHECK_NE(0U, first_dex_files.size());
CHECK_NE(0U, second_dex_files.size());
for (auto& dex_file : first_dex_files) {
class_path.push_back(dex_file.get());
loaded_dex_files_.push_back(std::move(dex_file));
}
for (auto& dex_file : second_dex_files) {
class_path.push_back(dex_file.get());
loaded_dex_files_.push_back(std::move(dex_file));
}
Thread* self = Thread::Current();
jobject class_loader = Runtime::Current()->GetClassLinker()->CreatePathClassLoader(self,
class_path);
self->SetClassLoaderOverride(class_loader);
return class_loader;
}
jobject CommonRuntimeTestImpl::LoadDex(const char* dex_name) {
jobject class_loader = LoadDexInPathClassLoader(dex_name, nullptr);
Thread::Current()->SetClassLoaderOverride(class_loader);
return class_loader;
}
jobject CommonRuntimeTestImpl::LoadDexInWellKnownClassLoader(const std::string& dex_name,
jclass loader_class,
jobject parent_loader) {
std::vector<std::unique_ptr<const DexFile>> dex_files = OpenTestDexFiles(dex_name.c_str());
std::vector<const DexFile*> class_path;
CHECK_NE(0U, dex_files.size());
for (auto& dex_file : dex_files) {
class_path.push_back(dex_file.get());
loaded_dex_files_.push_back(std::move(dex_file));
}
Thread* self = Thread::Current();
ScopedObjectAccess soa(self);
jobject result = Runtime::Current()->GetClassLinker()->CreateWellKnownClassLoader(
self,
class_path,
loader_class,
parent_loader);
{
// Verify we build the correct chain.
ObjPtr<mirror::ClassLoader> actual_class_loader = soa.Decode<mirror::ClassLoader>(result);
// Verify that the result has the correct class.
CHECK_EQ(soa.Decode<mirror::Class>(loader_class), actual_class_loader->GetClass());
// Verify that the parent is not null. The boot class loader will be set up as a
// proper object.
ObjPtr<mirror::ClassLoader> actual_parent(actual_class_loader->GetParent());
CHECK(actual_parent != nullptr);
if (parent_loader != nullptr) {
// We were given a parent. Verify that it's what we expect.
ObjPtr<mirror::ClassLoader> expected_parent = soa.Decode<mirror::ClassLoader>(parent_loader);
CHECK_EQ(expected_parent, actual_parent);
} else {
// No parent given. The parent must be the BootClassLoader.
CHECK(Runtime::Current()->GetClassLinker()->IsBootClassLoader(soa, actual_parent));
}
}
return result;
}
jobject CommonRuntimeTestImpl::LoadDexInPathClassLoader(const std::string& dex_name,
jobject parent_loader) {
return LoadDexInWellKnownClassLoader(dex_name,
WellKnownClasses::dalvik_system_PathClassLoader,
parent_loader);
}
jobject CommonRuntimeTestImpl::LoadDexInDelegateLastClassLoader(const std::string& dex_name,
jobject parent_loader) {
return LoadDexInWellKnownClassLoader(dex_name,
WellKnownClasses::dalvik_system_DelegateLastClassLoader,
parent_loader);
}
void CommonRuntimeTestImpl::FillHeap(Thread* self,
ClassLinker* class_linker,
VariableSizedHandleScope* handle_scope) {
DCHECK(handle_scope != nullptr);
Runtime::Current()->GetHeap()->SetIdealFootprint(1 * GB);
// Class java.lang.Object.
Handle<mirror::Class> c(handle_scope->NewHandle(
class_linker->FindSystemClass(self, "Ljava/lang/Object;")));
// Array helps to fill memory faster.
Handle<mirror::Class> ca(handle_scope->NewHandle(
class_linker->FindSystemClass(self, "[Ljava/lang/Object;")));
// Start allocating with ~128K
size_t length = 128 * KB;
while (length > 40) {
const int32_t array_length = length / 4; // Object[] has elements of size 4.
MutableHandle<mirror::Object> h(handle_scope->NewHandle<mirror::Object>(
mirror::ObjectArray<mirror::Object>::Alloc(self, ca.Get(), array_length)));
if (self->IsExceptionPending() || h == nullptr) {
self->ClearException();
// Try a smaller length
length = length / 2;
// Use at most a quarter the reported free space.
size_t mem = Runtime::Current()->GetHeap()->GetFreeMemory();
if (length * 4 > mem) {
length = mem / 4;
}
}
}
// Allocate simple objects till it fails.
while (!self->IsExceptionPending()) {
handle_scope->NewHandle<mirror::Object>(c->AllocObject(self));
}
self->ClearException();
}
void CommonRuntimeTestImpl::SetUpRuntimeOptionsForFillHeap(RuntimeOptions *options) {
// Use a smaller heap
bool found = false;
for (std::pair<std::string, const void*>& pair : *options) {
if (pair.first.find("-Xmx") == 0) {
pair.first = "-Xmx4M"; // Smallest we can go.
found = true;
}
}
if (!found) {
options->emplace_back("-Xmx4M", nullptr);
}
}
CheckJniAbortCatcher::CheckJniAbortCatcher() : vm_(Runtime::Current()->GetJavaVM()) {
vm_->SetCheckJniAbortHook(Hook, &actual_);
}
CheckJniAbortCatcher::~CheckJniAbortCatcher() {
vm_->SetCheckJniAbortHook(nullptr, nullptr);
EXPECT_TRUE(actual_.empty()) << actual_;
}
void CheckJniAbortCatcher::Check(const std::string& expected_text) {
Check(expected_text.c_str());
}
void CheckJniAbortCatcher::Check(const char* expected_text) {
EXPECT_TRUE(actual_.find(expected_text) != std::string::npos) << "\n"
<< "Expected to find: " << expected_text << "\n"
<< "In the output : " << actual_;
actual_.clear();
}
void CheckJniAbortCatcher::Hook(void* data, const std::string& reason) {
// We use += because when we're hooking the aborts like this, multiple problems can be found.
*reinterpret_cast<std::string*>(data) += reason;
}
} // namespace art