309 lines
14 KiB
C++
309 lines
14 KiB
C++
/*
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* Copyright (C) 2011 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include "common_compiler_test.h"
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#include "arch/instruction_set_features.h"
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#include "art_field-inl.h"
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#include "art_method-inl.h"
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#include "base/callee_save_type.h"
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#include "base/enums.h"
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#include "class_linker.h"
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#include "compiled_method.h"
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#include "dex/quick_compiler_callbacks.h"
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#include "dex/verification_results.h"
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#include "driver/compiler_driver.h"
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#include "driver/compiler_options.h"
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#include "interpreter/interpreter.h"
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#include "mirror/class_loader.h"
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#include "mirror/class-inl.h"
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#include "mirror/dex_cache.h"
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#include "mirror/object-inl.h"
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#include "oat_quick_method_header.h"
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#include "scoped_thread_state_change-inl.h"
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#include "thread-current-inl.h"
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#include "utils.h"
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namespace art {
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CommonCompilerTest::CommonCompilerTest() {}
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CommonCompilerTest::~CommonCompilerTest() {}
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void CommonCompilerTest::MakeExecutable(ArtMethod* method) {
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CHECK(method != nullptr);
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const CompiledMethod* compiled_method = nullptr;
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if (!method->IsAbstract()) {
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mirror::DexCache* dex_cache = method->GetDeclaringClass()->GetDexCache();
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const DexFile& dex_file = *dex_cache->GetDexFile();
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compiled_method =
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compiler_driver_->GetCompiledMethod(MethodReference(&dex_file,
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method->GetDexMethodIndex()));
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}
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// If the code size is 0 it means the method was skipped due to profile guided compilation.
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if (compiled_method != nullptr && compiled_method->GetQuickCode().size() != 0u) {
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ArrayRef<const uint8_t> code = compiled_method->GetQuickCode();
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const uint32_t code_size = code.size();
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ArrayRef<const uint8_t> vmap_table = compiled_method->GetVmapTable();
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const uint32_t vmap_table_offset = vmap_table.empty() ? 0u
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: sizeof(OatQuickMethodHeader) + vmap_table.size();
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// The method info is directly before the vmap table.
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ArrayRef<const uint8_t> method_info = compiled_method->GetMethodInfo();
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const uint32_t method_info_offset = method_info.empty() ? 0u
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: vmap_table_offset + method_info.size();
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OatQuickMethodHeader method_header(vmap_table_offset,
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method_info_offset,
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compiled_method->GetFrameSizeInBytes(),
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compiled_method->GetCoreSpillMask(),
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compiled_method->GetFpSpillMask(),
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code_size);
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header_code_and_maps_chunks_.push_back(std::vector<uint8_t>());
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std::vector<uint8_t>* chunk = &header_code_and_maps_chunks_.back();
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const size_t max_padding = GetInstructionSetAlignment(compiled_method->GetInstructionSet());
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const size_t size = method_info.size() + vmap_table.size() + sizeof(method_header) + code_size;
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chunk->reserve(size + max_padding);
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chunk->resize(sizeof(method_header));
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memcpy(&(*chunk)[0], &method_header, sizeof(method_header));
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chunk->insert(chunk->begin(), vmap_table.begin(), vmap_table.end());
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chunk->insert(chunk->begin(), method_info.begin(), method_info.end());
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chunk->insert(chunk->end(), code.begin(), code.end());
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CHECK_EQ(chunk->size(), size);
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const void* unaligned_code_ptr = chunk->data() + (size - code_size);
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size_t offset = dchecked_integral_cast<size_t>(reinterpret_cast<uintptr_t>(unaligned_code_ptr));
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size_t padding = compiled_method->AlignCode(offset) - offset;
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// Make sure no resizing takes place.
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CHECK_GE(chunk->capacity(), chunk->size() + padding);
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chunk->insert(chunk->begin(), padding, 0);
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const void* code_ptr = reinterpret_cast<const uint8_t*>(unaligned_code_ptr) + padding;
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CHECK_EQ(code_ptr, static_cast<const void*>(chunk->data() + (chunk->size() - code_size)));
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MakeExecutable(code_ptr, code.size());
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const void* method_code = CompiledMethod::CodePointer(code_ptr,
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compiled_method->GetInstructionSet());
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LOG(INFO) << "MakeExecutable " << method->PrettyMethod() << " code=" << method_code;
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class_linker_->SetEntryPointsToCompiledCode(method, method_code);
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} else {
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// No code? You must mean to go into the interpreter.
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// Or the generic JNI...
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class_linker_->SetEntryPointsToInterpreter(method);
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}
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}
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void CommonCompilerTest::MakeExecutable(const void* code_start, size_t code_length) {
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CHECK(code_start != nullptr);
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CHECK_NE(code_length, 0U);
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uintptr_t data = reinterpret_cast<uintptr_t>(code_start);
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uintptr_t base = RoundDown(data, kPageSize);
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uintptr_t limit = RoundUp(data + code_length, kPageSize);
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uintptr_t len = limit - base;
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int result = mprotect(reinterpret_cast<void*>(base), len, PROT_READ | PROT_WRITE | PROT_EXEC);
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CHECK_EQ(result, 0);
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FlushInstructionCache(reinterpret_cast<char*>(base), reinterpret_cast<char*>(base + len));
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}
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void CommonCompilerTest::MakeExecutable(ObjPtr<mirror::ClassLoader> class_loader,
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const char* class_name) {
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std::string class_descriptor(DotToDescriptor(class_name));
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Thread* self = Thread::Current();
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StackHandleScope<1> hs(self);
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Handle<mirror::ClassLoader> loader(hs.NewHandle(class_loader));
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mirror::Class* klass = class_linker_->FindClass(self, class_descriptor.c_str(), loader);
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CHECK(klass != nullptr) << "Class not found " << class_name;
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PointerSize pointer_size = class_linker_->GetImagePointerSize();
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for (auto& m : klass->GetMethods(pointer_size)) {
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MakeExecutable(&m);
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}
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}
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// Get the set of image classes given to the compiler-driver in SetUp. Note: the compiler
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// driver assumes ownership of the set, so the test should properly release the set.
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std::unordered_set<std::string>* CommonCompilerTest::GetImageClasses() {
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// Empty set: by default no classes are retained in the image.
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return new std::unordered_set<std::string>();
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}
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// Get the set of compiled classes given to the compiler-driver in SetUp. Note: the compiler
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// driver assumes ownership of the set, so the test should properly release the set.
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std::unordered_set<std::string>* CommonCompilerTest::GetCompiledClasses() {
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// Null, no selection of compiled-classes.
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return nullptr;
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}
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// Get the set of compiled methods given to the compiler-driver in SetUp. Note: the compiler
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// driver assumes ownership of the set, so the test should properly release the set.
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std::unordered_set<std::string>* CommonCompilerTest::GetCompiledMethods() {
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// Null, no selection of compiled-methods.
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return nullptr;
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}
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// Get ProfileCompilationInfo that should be passed to the driver.
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ProfileCompilationInfo* CommonCompilerTest::GetProfileCompilationInfo() {
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// Null, profile information will not be taken into account.
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return nullptr;
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}
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void CommonCompilerTest::SetUp() {
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CommonRuntimeTest::SetUp();
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{
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ScopedObjectAccess soa(Thread::Current());
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const InstructionSet instruction_set = kRuntimeISA;
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// Take the default set of instruction features from the build.
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instruction_set_features_ = InstructionSetFeatures::FromCppDefines();
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runtime_->SetInstructionSet(instruction_set);
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for (uint32_t i = 0; i < static_cast<uint32_t>(CalleeSaveType::kLastCalleeSaveType); ++i) {
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CalleeSaveType type = CalleeSaveType(i);
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if (!runtime_->HasCalleeSaveMethod(type)) {
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runtime_->SetCalleeSaveMethod(runtime_->CreateCalleeSaveMethod(), type);
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}
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}
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timer_.reset(new CumulativeLogger("Compilation times"));
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CreateCompilerDriver(compiler_kind_, instruction_set);
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}
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}
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void CommonCompilerTest::CreateCompilerDriver(Compiler::Kind kind,
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InstructionSet isa,
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size_t number_of_threads) {
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compiler_options_->boot_image_ = true;
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compiler_options_->SetCompilerFilter(GetCompilerFilter());
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compiler_driver_.reset(new CompilerDriver(compiler_options_.get(),
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verification_results_.get(),
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kind,
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isa,
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instruction_set_features_.get(),
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GetImageClasses(),
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GetCompiledClasses(),
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GetCompiledMethods(),
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number_of_threads,
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/* dump_stats */ true,
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/* dump_passes */ true,
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timer_.get(),
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/* swap_fd */ -1,
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GetProfileCompilationInfo()));
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// We typically don't generate an image in unit tests, disable this optimization by default.
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compiler_driver_->SetSupportBootImageFixup(false);
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}
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void CommonCompilerTest::SetUpRuntimeOptions(RuntimeOptions* options) {
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CommonRuntimeTest::SetUpRuntimeOptions(options);
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compiler_options_.reset(new CompilerOptions);
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verification_results_.reset(new VerificationResults(compiler_options_.get()));
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QuickCompilerCallbacks* callbacks =
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new QuickCompilerCallbacks(CompilerCallbacks::CallbackMode::kCompileApp);
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callbacks->SetVerificationResults(verification_results_.get());
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callbacks_.reset(callbacks);
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}
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Compiler::Kind CommonCompilerTest::GetCompilerKind() const {
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return compiler_kind_;
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}
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void CommonCompilerTest::SetCompilerKind(Compiler::Kind compiler_kind) {
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compiler_kind_ = compiler_kind;
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}
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InstructionSet CommonCompilerTest::GetInstructionSet() const {
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DCHECK(compiler_driver_.get() != nullptr);
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return compiler_driver_->GetInstructionSet();
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}
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void CommonCompilerTest::TearDown() {
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timer_.reset();
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compiler_driver_.reset();
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callbacks_.reset();
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verification_results_.reset();
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compiler_options_.reset();
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image_reservation_.reset();
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CommonRuntimeTest::TearDown();
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}
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void CommonCompilerTest::CompileClass(mirror::ClassLoader* class_loader, const char* class_name) {
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std::string class_descriptor(DotToDescriptor(class_name));
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Thread* self = Thread::Current();
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StackHandleScope<1> hs(self);
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Handle<mirror::ClassLoader> loader(hs.NewHandle(class_loader));
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mirror::Class* klass = class_linker_->FindClass(self, class_descriptor.c_str(), loader);
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CHECK(klass != nullptr) << "Class not found " << class_name;
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auto pointer_size = class_linker_->GetImagePointerSize();
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for (auto& m : klass->GetMethods(pointer_size)) {
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CompileMethod(&m);
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}
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}
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void CommonCompilerTest::CompileMethod(ArtMethod* method) {
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CHECK(method != nullptr);
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TimingLogger timings("CommonTest::CompileMethod", false, false);
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TimingLogger::ScopedTiming t(__FUNCTION__, &timings);
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compiler_driver_->CompileOne(Thread::Current(), method, &timings);
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TimingLogger::ScopedTiming t2("MakeExecutable", &timings);
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MakeExecutable(method);
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}
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void CommonCompilerTest::CompileDirectMethod(Handle<mirror::ClassLoader> class_loader,
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const char* class_name, const char* method_name,
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const char* signature) {
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std::string class_descriptor(DotToDescriptor(class_name));
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Thread* self = Thread::Current();
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mirror::Class* klass = class_linker_->FindClass(self, class_descriptor.c_str(), class_loader);
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CHECK(klass != nullptr) << "Class not found " << class_name;
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auto pointer_size = class_linker_->GetImagePointerSize();
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ArtMethod* method = klass->FindClassMethod(method_name, signature, pointer_size);
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CHECK(method != nullptr && method->IsDirect()) << "Direct method not found: "
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<< class_name << "." << method_name << signature;
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CompileMethod(method);
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}
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void CommonCompilerTest::CompileVirtualMethod(Handle<mirror::ClassLoader> class_loader,
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const char* class_name, const char* method_name,
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const char* signature) {
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std::string class_descriptor(DotToDescriptor(class_name));
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Thread* self = Thread::Current();
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mirror::Class* klass = class_linker_->FindClass(self, class_descriptor.c_str(), class_loader);
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CHECK(klass != nullptr) << "Class not found " << class_name;
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auto pointer_size = class_linker_->GetImagePointerSize();
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ArtMethod* method = klass->FindClassMethod(method_name, signature, pointer_size);
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CHECK(method != nullptr && !method->IsDirect()) << "Virtual method not found: "
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<< class_name << "." << method_name << signature;
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CompileMethod(method);
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}
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void CommonCompilerTest::ReserveImageSpace() {
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// Reserve where the image will be loaded up front so that other parts of test set up don't
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// accidentally end up colliding with the fixed memory address when we need to load the image.
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std::string error_msg;
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MemMap::Init();
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image_reservation_.reset(MemMap::MapAnonymous("image reservation",
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reinterpret_cast<uint8_t*>(ART_BASE_ADDRESS),
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(size_t)120 * 1024 * 1024, // 120MB
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PROT_NONE,
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false /* no need for 4gb flag with fixed mmap*/,
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false /* not reusing existing reservation */,
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&error_msg));
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CHECK(image_reservation_.get() != nullptr) << error_msg;
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}
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void CommonCompilerTest::UnreserveImageSpace() {
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image_reservation_.reset();
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}
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} // namespace art
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