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/*
* Copyright (C) 2019 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 <sys/mman.h>
#include "common_compiler_driver_test.h"
#include "base/casts.h"
#include "base/timing_logger.h"
#include "dex/quick_compiler_callbacks.h"
#include "driver/compiler_driver.h"
#include "driver/compiler_options.h"
#include "utils/atomic_dex_ref_map-inl.h"
namespace art {
CommonCompilerDriverTest::CommonCompilerDriverTest() : inaccessible_page_(nullptr) {}
CommonCompilerDriverTest::~CommonCompilerDriverTest() {}
void CommonCompilerDriverTest::CompileAll(jobject class_loader,
const std::vector<const DexFile*>& dex_files,
TimingLogger* timings) {
TimingLogger::ScopedTiming t(__FUNCTION__, timings);
SetDexFilesForOatFile(dex_files);
compiler_driver_->InitializeThreadPools();
compiler_driver_->PreCompile(class_loader,
dex_files,
timings,
&compiler_options_->image_classes_,
verification_results_.get());
// Verification results in the `callback_` should not be used during compilation.
down_cast<QuickCompilerCallbacks*>(callbacks_.get())->SetVerificationResults(
reinterpret_cast<VerificationResults*>(inaccessible_page_));
compiler_options_->verification_results_ = verification_results_.get();
compiler_driver_->CompileAll(class_loader, dex_files, timings);
compiler_options_->verification_results_ = nullptr;
down_cast<QuickCompilerCallbacks*>(callbacks_.get())->SetVerificationResults(
verification_results_.get());
compiler_driver_->FreeThreadPools();
}
void CommonCompilerDriverTest::SetDexFilesForOatFile(const std::vector<const DexFile*>& dex_files) {
compiler_options_->dex_files_for_oat_file_ = dex_files;
compiler_driver_->compiled_classes_.AddDexFiles(dex_files);
compiler_driver_->dex_to_dex_compiler_.SetDexFiles(dex_files);
}
void CommonCompilerDriverTest::ReserveImageSpace() {
// Reserve where the image will be loaded up front so that other parts of test set up don't
// accidentally end up colliding with the fixed memory address when we need to load the image.
std::string error_msg;
MemMap::Init();
image_reservation_ = MemMap::MapAnonymous("image reservation",
reinterpret_cast<uint8_t*>(ART_BASE_ADDRESS),
(size_t)120 * 1024 * 1024, // 120MB
PROT_NONE,
false /* no need for 4gb flag with fixed mmap */,
/*reuse=*/ false,
/*reservation=*/ nullptr,
&error_msg);
CHECK(image_reservation_.IsValid()) << error_msg;
}
void CommonCompilerDriverTest::UnreserveImageSpace() {
image_reservation_.Reset();
}
void CommonCompilerDriverTest::CreateCompilerDriver() {
ApplyInstructionSet();
compiler_options_->image_type_ = CompilerOptions::ImageType::kBootImage;
compiler_options_->compile_pic_ = false; // Non-PIC boot image is a test configuration.
compiler_options_->SetCompilerFilter(GetCompilerFilter());
compiler_options_->image_classes_.swap(*GetImageClasses());
compiler_options_->profile_compilation_info_ = GetProfileCompilationInfo();
compiler_driver_.reset(new CompilerDriver(compiler_options_.get(),
compiler_kind_,
number_of_threads_,
/* swap_fd= */ -1));
}
void CommonCompilerDriverTest::SetUpRuntimeOptions(RuntimeOptions* options) {
CommonCompilerTest::SetUpRuntimeOptions(options);
QuickCompilerCallbacks* callbacks =
new QuickCompilerCallbacks(CompilerCallbacks::CallbackMode::kCompileApp);
callbacks->SetVerificationResults(verification_results_.get());
callbacks_.reset(callbacks);
}
void CommonCompilerDriverTest::SetUp() {
CommonCompilerTest::SetUp();
CreateCompilerDriver();
// Note: We cannot use MemMap because some tests tear down the Runtime and destroy
// the gMaps, so when destroying the MemMap, the test would crash.
inaccessible_page_ = mmap(nullptr, kPageSize, PROT_NONE, MAP_PRIVATE | MAP_ANONYMOUS, -1, 0);
CHECK(inaccessible_page_ != MAP_FAILED) << strerror(errno);
}
void CommonCompilerDriverTest::TearDown() {
if (inaccessible_page_ != nullptr) {
munmap(inaccessible_page_, kPageSize);
inaccessible_page_ = nullptr;
}
image_reservation_.Reset();
compiler_driver_.reset();
CommonCompilerTest::TearDown();
}
// Get the set of image classes given to the compiler options in CreateCompilerDriver().
std::unique_ptr<HashSet<std::string>> CommonCompilerDriverTest::GetImageClasses() {
// Empty set: by default no classes are retained in the image.
return std::make_unique<HashSet<std::string>>();
}
// Get ProfileCompilationInfo that should be passed to the driver.
ProfileCompilationInfo* CommonCompilerDriverTest::GetProfileCompilationInfo() {
// Null, profile information will not be taken into account.
return nullptr;
}
} // namespace art
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