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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 <string.h>
#include <vector>
#include "image_test.h"
#include "image.h"
#include "scoped_thread_state_change-inl.h"
#include "thread.h"
namespace art {
namespace linker {
TEST_F(ImageTest, TestImageLayout) {
std::vector<size_t> image_sizes;
std::vector<size_t> image_sizes_extra;
// Compile multi-image with ImageLayoutA being the last image.
{
CompilationHelper helper;
Compile(ImageHeader::kStorageModeUncompressed,
/*max_image_block_size=*/std::numeric_limits<uint32_t>::max(),
helper,
"ImageLayoutA",
{"LMyClass;"});
image_sizes = helper.GetImageObjectSectionSizes();
}
TearDown();
runtime_.reset();
SetUp();
// Compile multi-image with ImageLayoutB being the last image.
{
CompilationHelper helper;
Compile(ImageHeader::kStorageModeUncompressed,
/*max_image_block_size=*/std::numeric_limits<uint32_t>::max(),
helper,
"ImageLayoutB",
{"LMyClass;"});
image_sizes_extra = helper.GetImageObjectSectionSizes();
}
// Make sure that the new stuff in the clinit in ImageLayoutB is in the last image and not in the
// first two images.
ASSERT_EQ(image_sizes.size(), image_sizes.size());
// Sizes of the object sections should be the same for all but the last image.
for (size_t i = 0; i < image_sizes.size() - 1; ++i) {
EXPECT_EQ(image_sizes[i], image_sizes_extra[i]);
}
// Last image should be larger since it has a hash map and a string.
EXPECT_LT(image_sizes.back(), image_sizes_extra.back());
}
TEST_F(ImageTest, ImageHeaderIsValid) {
uint32_t image_begin = ART_BASE_ADDRESS;
uint32_t image_size_ = 16 * KB;
uint32_t image_roots = ART_BASE_ADDRESS + (1 * KB);
uint32_t oat_checksum = 0;
uint32_t oat_file_begin = ART_BASE_ADDRESS + (4 * KB); // page aligned
uint32_t oat_data_begin = ART_BASE_ADDRESS + (8 * KB); // page aligned
uint32_t oat_data_end = ART_BASE_ADDRESS + (9 * KB);
uint32_t oat_file_end = ART_BASE_ADDRESS + (10 * KB);
ImageSection sections[ImageHeader::kSectionCount];
uint32_t image_reservation_size = RoundUp(oat_file_end - image_begin, kPageSize);
ImageHeader image_header(image_reservation_size,
/*component_count=*/ 1u,
image_begin,
image_size_,
sections,
image_roots,
oat_checksum,
oat_file_begin,
oat_data_begin,
oat_data_end,
oat_file_end,
/*boot_image_begin=*/ 0u,
/*boot_image_size=*/ 0u,
/*boot_image_component_count=*/ 0u,
/*boot_image_checksum=*/ 0u,
sizeof(void*));
ASSERT_TRUE(image_header.IsValid());
ASSERT_TRUE(!image_header.IsAppImage());
char* magic = const_cast<char*>(image_header.GetMagic());
strcpy(magic, ""); // bad magic
ASSERT_FALSE(image_header.IsValid());
strcpy(magic, "art\n000"); // bad version
ASSERT_FALSE(image_header.IsValid());
}
// Test that pointer to quick code is the same in
// a default method of an interface and in a copied method
// of a class which implements the interface. This should be true
// only if the copied method and the origin method are located in the
// same oat file.
TEST_F(ImageTest, TestDefaultMethods) {
CompilationHelper helper;
Compile(ImageHeader::kStorageModeUncompressed,
/*max_image_block_size=*/std::numeric_limits<uint32_t>::max(),
helper,
"DefaultMethods",
{"LIface;", "LImpl;", "LIterableBase;"});
PointerSize pointer_size = class_linker_->GetImagePointerSize();
Thread* self = Thread::Current();
ScopedObjectAccess soa(self);
// Test the pointer to quick code is the same in origin method
// and in the copied method form the same oat file.
ObjPtr<mirror::Class> iface_klass =
class_linker_->LookupClass(self, "LIface;", /*class_loader=*/ nullptr);
ASSERT_NE(nullptr, iface_klass);
ArtMethod* origin = iface_klass->FindInterfaceMethod("defaultMethod", "()V", pointer_size);
ASSERT_NE(nullptr, origin);
ASSERT_OBJ_PTR_EQ(origin->GetDeclaringClass(), iface_klass);
const void* code = origin->GetEntryPointFromQuickCompiledCodePtrSize(pointer_size);
// The origin method should have a pointer to quick code
ASSERT_NE(nullptr, code);
ASSERT_FALSE(class_linker_->IsQuickToInterpreterBridge(code));
ObjPtr<mirror::Class> impl_klass =
class_linker_->LookupClass(self, "LImpl;", /*class_loader=*/ nullptr);
ASSERT_NE(nullptr, impl_klass);
ArtMethod* copied = FindCopiedMethod(origin, impl_klass);
ASSERT_NE(nullptr, copied);
// the copied method should have pointer to the same quick code as the origin method
ASSERT_EQ(code, copied->GetEntryPointFromQuickCompiledCodePtrSize(pointer_size));
// Test the origin method has pointer to quick code
// but the copied method has pointer to interpreter
// because these methods are in different oat files.
ObjPtr<mirror::Class> iterable_klass =
class_linker_->LookupClass(self, "Ljava/lang/Iterable;", /*class_loader=*/ nullptr);
ASSERT_NE(nullptr, iterable_klass);
origin = iterable_klass->FindClassMethod(
"forEach", "(Ljava/util/function/Consumer;)V", pointer_size);
ASSERT_NE(nullptr, origin);
ASSERT_FALSE(origin->IsDirect());
ASSERT_OBJ_PTR_EQ(origin->GetDeclaringClass(), iterable_klass);
code = origin->GetEntryPointFromQuickCompiledCodePtrSize(pointer_size);
// the origin method should have a pointer to quick code
ASSERT_NE(nullptr, code);
ASSERT_FALSE(class_linker_->IsQuickToInterpreterBridge(code));
ObjPtr<mirror::Class> iterablebase_klass =
class_linker_->LookupClass(self, "LIterableBase;", /*class_loader=*/ nullptr);
ASSERT_NE(nullptr, iterablebase_klass);
copied = FindCopiedMethod(origin, iterablebase_klass);
ASSERT_NE(nullptr, copied);
code = copied->GetEntryPointFromQuickCompiledCodePtrSize(pointer_size);
// the copied method should have a pointer to interpreter
ASSERT_TRUE(class_linker_->IsQuickToInterpreterBridge(code));
}
// Regression test for dex2oat crash for soft verification failure during
// class initialization check from the transactional interpreter while
// running the class initializer for another class.
TEST_F(ImageTest, TestSoftVerificationFailureDuringClassInitialization) {
CompilationHelper helper;
Compile(ImageHeader::kStorageModeUncompressed,
/*max_image_block_size=*/std::numeric_limits<uint32_t>::max(),
helper,
"VerifySoftFailDuringClinit",
/*image_classes=*/ {"LClassToInitialize;"},
/*image_classes_failing_aot_clinit=*/ {"LClassToInitialize;"});
}
} // namespace linker
} // namespace art
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