fuquan/allwinner_a64
1
1
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions
allwinner_a64/android/art/dex2oat/dex2oat_test.cc
August b9e30e05b1 upload android base code part3
2018-08-08 16:48:17 +08:00

1368 lines
52 KiB
C++
Raw Blame History

/*
* Copyright (C) 2016 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 <regex>
#include <sstream>
#include <string>
#include <vector>
#include <sys/wait.h>
#include <unistd.h>
#include "android-base/stringprintf.h"
#include "common_runtime_test.h"
#include "base/logging.h"
#include "base/macros.h"
#include "base/mutex-inl.h"
#include "bytecode_utils.h"
#include "dex_file-inl.h"
#include "dex2oat_environment_test.h"
#include "dex2oat_return_codes.h"
#include "jit/profile_compilation_info.h"
#include "oat.h"
#include "oat_file.h"
#include "utils.h"
namespace art {
static constexpr size_t kMaxMethodIds = 65535;
static constexpr bool kDebugArgs = false;
using android::base::StringPrintf;
class Dex2oatTest : public Dex2oatEnvironmentTest {
public:
virtual void TearDown() OVERRIDE {
Dex2oatEnvironmentTest::TearDown();
output_ = "";
error_msg_ = "";
success_ = false;
}
protected:
int GenerateOdexForTestWithStatus(const std::vector<std::string>& dex_locations,
const std::string& odex_location,
CompilerFilter::Filter filter,
std::string* error_msg,
const std::vector<std::string>& extra_args = {},
bool use_fd = false) {
std::unique_ptr<File> oat_file;
std::vector<std::string> args;
// Add dex file args.
for (const std::string& dex_location : dex_locations) {
args.push_back("--dex-file=" + dex_location);
}
if (use_fd) {
oat_file.reset(OS::CreateEmptyFile(odex_location.c_str()));
CHECK(oat_file != nullptr) << odex_location;
args.push_back("--oat-fd=" + std::to_string(oat_file->Fd()));
args.push_back("--oat-location=" + odex_location);
} else {
args.push_back("--oat-file=" + odex_location);
}
args.push_back("--compiler-filter=" + CompilerFilter::NameOfFilter(filter));
args.push_back("--runtime-arg");
args.push_back("-Xnorelocate");
args.insert(args.end(), extra_args.begin(), extra_args.end());
int status = Dex2Oat(args, error_msg);
if (oat_file != nullptr) {
CHECK_EQ(oat_file->FlushClose(), 0) << "Could not flush and close oat file";
}
return status;
}
void GenerateOdexForTest(const std::string& dex_location,
const std::string& odex_location,
CompilerFilter::Filter filter,
const std::vector<std::string>& extra_args = {},
bool expect_success = true,
bool use_fd = false,
std::function<void(const OatFile&)> check_oat = [](const OatFile&) {}) {
std::string error_msg;
int status = GenerateOdexForTestWithStatus({dex_location},
odex_location,
filter,
&error_msg,
extra_args,
use_fd);
bool success = (status == 0);
if (expect_success) {
ASSERT_TRUE(success) << error_msg << std::endl << output_;
// Verify the odex file was generated as expected.
std::unique_ptr<OatFile> odex_file(OatFile::Open(odex_location.c_str(),
odex_location.c_str(),
nullptr,
nullptr,
false,
/*low_4gb*/false,
dex_location.c_str(),
&error_msg));
ASSERT_TRUE(odex_file.get() != nullptr) << error_msg;
CheckFilter(filter, odex_file->GetCompilerFilter());
check_oat(*(odex_file.get()));
} else {
ASSERT_FALSE(success) << output_;
error_msg_ = error_msg;
// Verify there's no loadable odex file.
std::unique_ptr<OatFile> odex_file(OatFile::Open(odex_location.c_str(),
odex_location.c_str(),
nullptr,
nullptr,
false,
/*low_4gb*/false,
dex_location.c_str(),
&error_msg));
ASSERT_TRUE(odex_file.get() == nullptr);
}
}
// Check the input compiler filter against the generated oat file's filter. May be overridden
// in subclasses when equality is not expected.
virtual void CheckFilter(CompilerFilter::Filter expected, CompilerFilter::Filter actual) {
EXPECT_EQ(expected, actual);
}
int Dex2Oat(const std::vector<std::string>& dex2oat_args, std::string* error_msg) {
Runtime* runtime = Runtime::Current();
const std::vector<gc::space::ImageSpace*>& image_spaces =
runtime->GetHeap()->GetBootImageSpaces();
if (image_spaces.empty()) {
*error_msg = "No image location found for Dex2Oat.";
return false;
}
std::string image_location = image_spaces[0]->GetImageLocation();
std::vector<std::string> argv;
argv.push_back(runtime->GetCompilerExecutable());
if (runtime->IsJavaDebuggable()) {
argv.push_back("--debuggable");
}
runtime->AddCurrentRuntimeFeaturesAsDex2OatArguments(&argv);
if (!runtime->IsVerificationEnabled()) {
argv.push_back("--compiler-filter=assume-verified");
}
if (runtime->MustRelocateIfPossible()) {
argv.push_back("--runtime-arg");
argv.push_back("-Xrelocate");
} else {
argv.push_back("--runtime-arg");
argv.push_back("-Xnorelocate");
}
if (!kIsTargetBuild) {
argv.push_back("--host");
}
argv.push_back("--boot-image=" + image_location);
std::vector<std::string> compiler_options = runtime->GetCompilerOptions();
argv.insert(argv.end(), compiler_options.begin(), compiler_options.end());
argv.insert(argv.end(), dex2oat_args.begin(), dex2oat_args.end());
// We must set --android-root.
const char* android_root = getenv("ANDROID_ROOT");
CHECK(android_root != nullptr);
argv.push_back("--android-root=" + std::string(android_root));
if (kDebugArgs) {
std::string all_args;
for (const std::string& arg : argv) {
all_args += arg + " ";
}
LOG(ERROR) << all_args;
}
int link[2];
if (pipe(link) == -1) {
return false;
}
pid_t pid = fork();
if (pid == -1) {
return false;
}
if (pid == 0) {
// We need dex2oat to actually log things.
setenv("ANDROID_LOG_TAGS", "*:d", 1);
dup2(link[1], STDERR_FILENO);
close(link[0]);
close(link[1]);
std::vector<const char*> c_args;
for (const std::string& str : argv) {
c_args.push_back(str.c_str());
}
c_args.push_back(nullptr);
execv(c_args[0], const_cast<char* const*>(c_args.data()));
exit(1);
UNREACHABLE();
} else {
close(link[1]);
char buffer[128];
memset(buffer, 0, 128);
ssize_t bytes_read = 0;
while (TEMP_FAILURE_RETRY(bytes_read = read(link[0], buffer, 128)) > 0) {
output_ += std::string(buffer, bytes_read);
}
close(link[0]);
int status = -1;
if (waitpid(pid, &status, 0) != -1) {
success_ = (status == 0);
}
return status;
}
}
std::string output_ = "";
std::string error_msg_ = "";
bool success_ = false;
};
class Dex2oatSwapTest : public Dex2oatTest {
protected:
void RunTest(bool use_fd, bool expect_use, const std::vector<std::string>& extra_args = {}) {
std::string dex_location = GetScratchDir() + "/Dex2OatSwapTest.jar";
std::string odex_location = GetOdexDir() + "/Dex2OatSwapTest.odex";
Copy(GetTestDexFileName(), dex_location);
std::vector<std::string> copy(extra_args);
std::unique_ptr<ScratchFile> sf;
if (use_fd) {
sf.reset(new ScratchFile());
copy.push_back(android::base::StringPrintf("--swap-fd=%d", sf->GetFd()));
} else {
std::string swap_location = GetOdexDir() + "/Dex2OatSwapTest.odex.swap";
copy.push_back("--swap-file=" + swap_location);
}
GenerateOdexForTest(dex_location, odex_location, CompilerFilter::kSpeed, copy);
CheckValidity();
ASSERT_TRUE(success_);
CheckResult(expect_use);
}
virtual std::string GetTestDexFileName() {
return Dex2oatEnvironmentTest::GetTestDexFileName("VerifierDeps");
}
virtual void CheckResult(bool expect_use) {
if (kIsTargetBuild) {
CheckTargetResult(expect_use);
} else {
CheckHostResult(expect_use);
}
}
virtual void CheckTargetResult(bool expect_use ATTRIBUTE_UNUSED) {
// TODO: Ignore for now, as we won't capture any output (it goes to the logcat). We may do
// something for variants with file descriptor where we can control the lifetime of
// the swap file and thus take a look at it.
}
virtual void CheckHostResult(bool expect_use) {
if (!kIsTargetBuild) {
if (expect_use) {
EXPECT_NE(output_.find("Large app, accepted running with swap."), std::string::npos)
<< output_;
} else {
EXPECT_EQ(output_.find("Large app, accepted running with swap."), std::string::npos)
<< output_;
}
}
}
// Check whether the dex2oat run was really successful.
virtual void CheckValidity() {
if (kIsTargetBuild) {
CheckTargetValidity();
} else {
CheckHostValidity();
}
}
virtual void CheckTargetValidity() {
// TODO: Ignore for now, as we won't capture any output (it goes to the logcat). We may do
// something for variants with file descriptor where we can control the lifetime of
// the swap file and thus take a look at it.
}
// On the host, we can get the dex2oat output. Here, look for "dex2oat took."
virtual void CheckHostValidity() {
EXPECT_NE(output_.find("dex2oat took"), std::string::npos) << output_;
}
};
TEST_F(Dex2oatSwapTest, DoNotUseSwapDefaultSingleSmall) {
RunTest(false /* use_fd */, false /* expect_use */);
RunTest(true /* use_fd */, false /* expect_use */);
}
TEST_F(Dex2oatSwapTest, DoNotUseSwapSingle) {
RunTest(false /* use_fd */, false /* expect_use */, { "--swap-dex-size-threshold=0" });
RunTest(true /* use_fd */, false /* expect_use */, { "--swap-dex-size-threshold=0" });
}
TEST_F(Dex2oatSwapTest, DoNotUseSwapSmall) {
RunTest(false /* use_fd */, false /* expect_use */, { "--swap-dex-count-threshold=0" });
RunTest(true /* use_fd */, false /* expect_use */, { "--swap-dex-count-threshold=0" });
}
TEST_F(Dex2oatSwapTest, DoUseSwapSingleSmall) {
RunTest(false /* use_fd */,
true /* expect_use */,
{ "--swap-dex-size-threshold=0", "--swap-dex-count-threshold=0" });
RunTest(true /* use_fd */,
true /* expect_use */,
{ "--swap-dex-size-threshold=0", "--swap-dex-count-threshold=0" });
}
class Dex2oatSwapUseTest : public Dex2oatSwapTest {
protected:
void CheckHostResult(bool expect_use) OVERRIDE {
if (!kIsTargetBuild) {
if (expect_use) {
EXPECT_NE(output_.find("Large app, accepted running with swap."), std::string::npos)
<< output_;
} else {
EXPECT_EQ(output_.find("Large app, accepted running with swap."), std::string::npos)
<< output_;
}
}
}
std::string GetTestDexFileName() OVERRIDE {
// Use Statics as it has a handful of functions.
return CommonRuntimeTest::GetTestDexFileName("Statics");
}
void GrabResult1() {
if (!kIsTargetBuild) {
native_alloc_1_ = ParseNativeAlloc();
swap_1_ = ParseSwap(false /* expected */);
} else {
native_alloc_1_ = std::numeric_limits<size_t>::max();
swap_1_ = 0;
}
}
void GrabResult2() {
if (!kIsTargetBuild) {
native_alloc_2_ = ParseNativeAlloc();
swap_2_ = ParseSwap(true /* expected */);
} else {
native_alloc_2_ = 0;
swap_2_ = std::numeric_limits<size_t>::max();
}
}
private:
size_t ParseNativeAlloc() {
std::regex native_alloc_regex("dex2oat took.*native alloc=[^ ]+ \\(([0-9]+)B\\)");
std::smatch native_alloc_match;
bool found = std::regex_search(output_, native_alloc_match, native_alloc_regex);
if (!found) {
EXPECT_TRUE(found);
return 0;
}
if (native_alloc_match.size() != 2U) {
EXPECT_EQ(native_alloc_match.size(), 2U);
return 0;
}
std::istringstream stream(native_alloc_match[1].str());
size_t value;
stream >> value;
return value;
}
size_t ParseSwap(bool expected) {
std::regex swap_regex("dex2oat took[^\\n]+swap=[^ ]+ \\(([0-9]+)B\\)");
std::smatch swap_match;
bool found = std::regex_search(output_, swap_match, swap_regex);
if (found != expected) {
EXPECT_EQ(expected, found);
return 0;
}
if (!found) {
return 0;
}
if (swap_match.size() != 2U) {
EXPECT_EQ(swap_match.size(), 2U);
return 0;
}
std::istringstream stream(swap_match[1].str());
size_t value;
stream >> value;
return value;
}
protected:
size_t native_alloc_1_;
size_t native_alloc_2_;
size_t swap_1_;
size_t swap_2_;
};
TEST_F(Dex2oatSwapUseTest, CheckSwapUsage) {
// Native memory usage isn't correctly tracked under sanitization.
TEST_DISABLED_FOR_MEMORY_TOOL_ASAN();
// The `native_alloc_2_ >= native_alloc_1_` assertion below may not
// hold true on some x86 systems; disable this test while we
// investigate (b/29259363).
TEST_DISABLED_FOR_X86();
RunTest(false /* use_fd */,
false /* expect_use */);
GrabResult1();
std::string output_1 = output_;
output_ = "";
RunTest(false /* use_fd */,
true /* expect_use */,
{ "--swap-dex-size-threshold=0", "--swap-dex-count-threshold=0" });
GrabResult2();
std::string output_2 = output_;
if (native_alloc_2_ >= native_alloc_1_ || swap_1_ >= swap_2_) {
EXPECT_LT(native_alloc_2_, native_alloc_1_);
EXPECT_LT(swap_1_, swap_2_);
LOG(ERROR) << output_1;
LOG(ERROR) << output_2;
}
}
class Dex2oatVeryLargeTest : public Dex2oatTest {
protected:
void CheckFilter(CompilerFilter::Filter input ATTRIBUTE_UNUSED,
CompilerFilter::Filter result ATTRIBUTE_UNUSED) OVERRIDE {
// Ignore, we'll do our own checks.
}
void RunTest(CompilerFilter::Filter filter,
bool expect_large,
bool expect_downgrade,
const std::vector<std::string>& extra_args = {}) {
std::string dex_location = GetScratchDir() + "/DexNoOat.jar";
std::string odex_location = GetOdexDir() + "/DexOdexNoOat.odex";
std::string app_image_file = GetScratchDir() + "/Test.art";
Copy(GetDexSrc1(), dex_location);
std::vector<std::string> new_args(extra_args);
new_args.push_back("--app-image-file=" + app_image_file);
GenerateOdexForTest(dex_location, odex_location, filter, new_args);
CheckValidity();
ASSERT_TRUE(success_);
CheckResult(dex_location,
odex_location,
app_image_file,
filter,
expect_large,
expect_downgrade);
}
void CheckResult(const std::string& dex_location,
const std::string& odex_location,
const std::string& app_image_file,
CompilerFilter::Filter filter,
bool expect_large,
bool expect_downgrade) {
if (expect_downgrade) {
EXPECT_TRUE(expect_large);
}
// Host/target independent checks.
std::string error_msg;
std::unique_ptr<OatFile> odex_file(OatFile::Open(odex_location.c_str(),
odex_location.c_str(),
nullptr,
nullptr,
false,
/*low_4gb*/false,
dex_location.c_str(),
&error_msg));
ASSERT_TRUE(odex_file.get() != nullptr) << error_msg;
EXPECT_GT(app_image_file.length(), 0u);
std::unique_ptr<File> file(OS::OpenFileForReading(app_image_file.c_str()));
if (expect_large) {
// Note: we cannot check the following
// EXPECT_FALSE(CompilerFilter::IsAotCompilationEnabled(odex_file->GetCompilerFilter()));
// The reason is that the filter override currently happens when the dex files are
// loaded in dex2oat, which is after the oat file has been started. Thus, the header
// store cannot be changed, and the original filter is set in stone.
for (const OatDexFile* oat_dex_file : odex_file->GetOatDexFiles()) {
std::unique_ptr<const DexFile> dex_file = oat_dex_file->OpenDexFile(&error_msg);
ASSERT_TRUE(dex_file != nullptr);
uint32_t class_def_count = dex_file->NumClassDefs();
ASSERT_LT(class_def_count, std::numeric_limits<uint16_t>::max());
for (uint16_t class_def_index = 0; class_def_index < class_def_count; ++class_def_index) {
OatFile::OatClass oat_class = oat_dex_file->GetOatClass(class_def_index);
EXPECT_EQ(oat_class.GetType(), OatClassType::kOatClassNoneCompiled);
}
}
// If the input filter was "below," it should have been used.
if (!CompilerFilter::IsAsGoodAs(CompilerFilter::kExtract, filter)) {
EXPECT_EQ(odex_file->GetCompilerFilter(), filter);
}
// If expect large, make sure the app image isn't generated or is empty.
if (file != nullptr) {
EXPECT_EQ(file->GetLength(), 0u);
}
} else {
EXPECT_EQ(odex_file->GetCompilerFilter(), filter);
ASSERT_TRUE(file != nullptr) << app_image_file;
EXPECT_GT(file->GetLength(), 0u);
}
// Host/target dependent checks.
if (kIsTargetBuild) {
CheckTargetResult(expect_downgrade);
} else {
CheckHostResult(expect_downgrade);
}
}
void CheckTargetResult(bool expect_downgrade ATTRIBUTE_UNUSED) {
// TODO: Ignore for now. May do something for fd things.
}
void CheckHostResult(bool expect_downgrade) {
if (!kIsTargetBuild) {
if (expect_downgrade) {
EXPECT_NE(output_.find("Very large app, downgrading to"), std::string::npos) << output_;
} else {
EXPECT_EQ(output_.find("Very large app, downgrading to"), std::string::npos) << output_;
}
}
}
// Check whether the dex2oat run was really successful.
void CheckValidity() {
if (kIsTargetBuild) {
CheckTargetValidity();
} else {
CheckHostValidity();
}
}
void CheckTargetValidity() {
// TODO: Ignore for now.
}
// On the host, we can get the dex2oat output. Here, look for "dex2oat took."
void CheckHostValidity() {
EXPECT_NE(output_.find("dex2oat took"), std::string::npos) << output_;
}
};
TEST_F(Dex2oatVeryLargeTest, DontUseVeryLarge) {
RunTest(CompilerFilter::kAssumeVerified, false, false);
RunTest(CompilerFilter::kExtract, false, false);
RunTest(CompilerFilter::kQuicken, false, false);
RunTest(CompilerFilter::kSpeed, false, false);
RunTest(CompilerFilter::kAssumeVerified, false, false, { "--very-large-app-threshold=10000000" });
RunTest(CompilerFilter::kExtract, false, false, { "--very-large-app-threshold=10000000" });
RunTest(CompilerFilter::kQuicken, false, false, { "--very-large-app-threshold=10000000" });
RunTest(CompilerFilter::kSpeed, false, false, { "--very-large-app-threshold=10000000" });
}
TEST_F(Dex2oatVeryLargeTest, UseVeryLarge) {
RunTest(CompilerFilter::kAssumeVerified, true, false, { "--very-large-app-threshold=100" });
RunTest(CompilerFilter::kExtract, true, false, { "--very-large-app-threshold=100" });
RunTest(CompilerFilter::kQuicken, true, true, { "--very-large-app-threshold=100" });
RunTest(CompilerFilter::kSpeed, true, true, { "--very-large-app-threshold=100" });
}
// Regressin test for b/35665292.
TEST_F(Dex2oatVeryLargeTest, SpeedProfileNoProfile) {
// Test that dex2oat doesn't crash with speed-profile but no input profile.
RunTest(CompilerFilter::kSpeedProfile, false, false);
}
class Dex2oatLayoutTest : public Dex2oatTest {
protected:
void CheckFilter(CompilerFilter::Filter input ATTRIBUTE_UNUSED,
CompilerFilter::Filter result ATTRIBUTE_UNUSED) OVERRIDE {
// Ignore, we'll do our own checks.
}
// Emits a profile with a single dex file with the given location and a single class index of 1.
void GenerateProfile(const std::string& test_profile,
const std::string& dex_location,
size_t num_classes,
uint32_t checksum) {
int profile_test_fd = open(test_profile.c_str(), O_CREAT | O_TRUNC | O_WRONLY, 0644);
CHECK_GE(profile_test_fd, 0);
ProfileCompilationInfo info;
std::string profile_key = ProfileCompilationInfo::GetProfileDexFileKey(dex_location);
for (size_t i = 0; i < num_classes; ++i) {
info.AddClassIndex(profile_key, checksum, dex::TypeIndex(1 + i), kMaxMethodIds);
}
bool result = info.Save(profile_test_fd);
close(profile_test_fd);
ASSERT_TRUE(result);
}
void CompileProfileOdex(const std::string& dex_location,
const std::string& odex_location,
const std::string& app_image_file_name,
bool use_fd,
size_t num_profile_classes,
const std::vector<std::string>& extra_args = {},
bool expect_success = true) {
const std::string profile_location = GetScratchDir() + "/primary.prof";
const char* location = dex_location.c_str();
std::string error_msg;
std::vector<std::unique_ptr<const DexFile>> dex_files;
ASSERT_TRUE(DexFile::Open(location, location, true, &error_msg, &dex_files));
EXPECT_EQ(dex_files.size(), 1U);
std::unique_ptr<const DexFile>& dex_file = dex_files[0];
GenerateProfile(profile_location,
dex_location,
num_profile_classes,
dex_file->GetLocationChecksum());
std::vector<std::string> copy(extra_args);
copy.push_back("--profile-file=" + profile_location);
std::unique_ptr<File> app_image_file;
if (!app_image_file_name.empty()) {
if (use_fd) {
app_image_file.reset(OS::CreateEmptyFile(app_image_file_name.c_str()));
copy.push_back("--app-image-fd=" + std::to_string(app_image_file->Fd()));
} else {
copy.push_back("--app-image-file=" + app_image_file_name);
}
}
GenerateOdexForTest(dex_location,
odex_location,
CompilerFilter::kSpeedProfile,
copy,
expect_success,
use_fd);
if (app_image_file != nullptr) {
ASSERT_EQ(app_image_file->FlushCloseOrErase(), 0) << "Could not flush and close art file";
}
}
uint64_t GetImageSize(const std::string& image_file_name) {
EXPECT_FALSE(image_file_name.empty());
std::unique_ptr<File> file(OS::OpenFileForReading(image_file_name.c_str()));
CHECK(file != nullptr);
ImageHeader image_header;
const bool success = file->ReadFully(&image_header, sizeof(image_header));
CHECK(success);
CHECK(image_header.IsValid());
ReaderMutexLock mu(Thread::Current(), *Locks::mutator_lock_);
return image_header.GetImageSize();
}
void RunTest(bool app_image) {
std::string dex_location = GetScratchDir() + "/DexNoOat.jar";
std::string odex_location = GetOdexDir() + "/DexOdexNoOat.odex";
std::string app_image_file = app_image ? (GetOdexDir() + "/DexOdexNoOat.art"): "";
Copy(GetDexSrc2(), dex_location);
uint64_t image_file_empty_profile = 0;
if (app_image) {
CompileProfileOdex(dex_location,
odex_location,
app_image_file,
/* use_fd */ false,
/* num_profile_classes */ 0);
CheckValidity();
ASSERT_TRUE(success_);
// Don't check the result since CheckResult relies on the class being in the profile.
image_file_empty_profile = GetImageSize(app_image_file);
EXPECT_GT(image_file_empty_profile, 0u);
}
// Small profile.
CompileProfileOdex(dex_location,
odex_location,
app_image_file,
/* use_fd */ false,
/* num_profile_classes */ 1);
CheckValidity();
ASSERT_TRUE(success_);
CheckResult(dex_location, odex_location, app_image_file);
if (app_image) {
// Test that the profile made a difference by adding more classes.
const uint64_t image_file_small_profile = GetImageSize(app_image_file);
CHECK_LT(image_file_empty_profile, image_file_small_profile);
}
}
void RunTestVDex() {
std::string dex_location = GetScratchDir() + "/DexNoOat.jar";
std::string odex_location = GetOdexDir() + "/DexOdexNoOat.odex";
std::string vdex_location = GetOdexDir() + "/DexOdexNoOat.vdex";
std::string app_image_file_name = GetOdexDir() + "/DexOdexNoOat.art";
Copy(GetDexSrc2(), dex_location);
std::unique_ptr<File> vdex_file1(OS::CreateEmptyFile(vdex_location.c_str()));
CHECK(vdex_file1 != nullptr) << vdex_location;
ScratchFile vdex_file2;
{
std::string input_vdex = "--input-vdex-fd=-1";
std::string output_vdex = StringPrintf("--output-vdex-fd=%d", vdex_file1->Fd());
CompileProfileOdex(dex_location,
odex_location,
app_image_file_name,
/* use_fd */ true,
/* num_profile_classes */ 1,
{ input_vdex, output_vdex });
EXPECT_GT(vdex_file1->GetLength(), 0u);
}
{
// Test that vdex and dexlayout fail gracefully.
std::string input_vdex = StringPrintf("--input-vdex-fd=%d", vdex_file1->Fd());
std::string output_vdex = StringPrintf("--output-vdex-fd=%d", vdex_file2.GetFd());
CompileProfileOdex(dex_location,
odex_location,
app_image_file_name,
/* use_fd */ true,
/* num_profile_classes */ 1,
{ input_vdex, output_vdex },
/* expect_success */ true);
EXPECT_GT(vdex_file2.GetFile()->GetLength(), 0u);
}
ASSERT_EQ(vdex_file1->FlushCloseOrErase(), 0) << "Could not flush and close vdex file";
CheckValidity();
ASSERT_TRUE(success_);
}
void CheckResult(const std::string& dex_location,
const std::string& odex_location,
const std::string& app_image_file_name) {
// Host/target independent checks.
std::string error_msg;
std::unique_ptr<OatFile> odex_file(OatFile::Open(odex_location.c_str(),
odex_location.c_str(),
nullptr,
nullptr,
false,
/*low_4gb*/false,
dex_location.c_str(),
&error_msg));
ASSERT_TRUE(odex_file.get() != nullptr) << error_msg;
const char* location = dex_location.c_str();
std::vector<std::unique_ptr<const DexFile>> dex_files;
ASSERT_TRUE(DexFile::Open(location, location, true, &error_msg, &dex_files));
EXPECT_EQ(dex_files.size(), 1U);
std::unique_ptr<const DexFile>& old_dex_file = dex_files[0];
for (const OatDexFile* oat_dex_file : odex_file->GetOatDexFiles()) {
std::unique_ptr<const DexFile> new_dex_file = oat_dex_file->OpenDexFile(&error_msg);
ASSERT_TRUE(new_dex_file != nullptr);
uint32_t class_def_count = new_dex_file->NumClassDefs();
ASSERT_LT(class_def_count, std::numeric_limits<uint16_t>::max());
ASSERT_GE(class_def_count, 2U);
// The new layout swaps the classes at indexes 0 and 1.
std::string old_class0 = old_dex_file->PrettyType(old_dex_file->GetClassDef(0).class_idx_);
std::string old_class1 = old_dex_file->PrettyType(old_dex_file->GetClassDef(1).class_idx_);
std::string new_class0 = new_dex_file->PrettyType(new_dex_file->GetClassDef(0).class_idx_);
std::string new_class1 = new_dex_file->PrettyType(new_dex_file->GetClassDef(1).class_idx_);
EXPECT_EQ(old_class0, new_class1);
EXPECT_EQ(old_class1, new_class0);
}
EXPECT_EQ(odex_file->GetCompilerFilter(), CompilerFilter::kSpeedProfile);
if (!app_image_file_name.empty()) {
// Go peek at the image header to make sure it was large enough to contain the class.
std::unique_ptr<File> file(OS::OpenFileForReading(app_image_file_name.c_str()));
ImageHeader image_header;
bool success = file->ReadFully(&image_header, sizeof(image_header));
ASSERT_TRUE(success);
ASSERT_TRUE(image_header.IsValid());
EXPECT_GT(image_header.GetImageSection(ImageHeader::kSectionObjects).Size(), 0u);
}
}
// Check whether the dex2oat run was really successful.
void CheckValidity() {
if (kIsTargetBuild) {
CheckTargetValidity();
} else {
CheckHostValidity();
}
}
void CheckTargetValidity() {
// TODO: Ignore for now.
}
// On the host, we can get the dex2oat output. Here, look for "dex2oat took."
void CheckHostValidity() {
EXPECT_NE(output_.find("dex2oat took"), std::string::npos) << output_;
}
};
TEST_F(Dex2oatLayoutTest, TestLayout) {
RunTest(/* app-image */ false);
}
TEST_F(Dex2oatLayoutTest, TestLayoutAppImage) {
RunTest(/* app-image */ true);
}
TEST_F(Dex2oatLayoutTest, TestVdexLayout) {
RunTestVDex();
}
class Dex2oatUnquickenTest : public Dex2oatTest {
protected:
void RunUnquickenMultiDex() {
std::string dex_location = GetScratchDir() + "/UnquickenMultiDex.jar";
std::string odex_location = GetOdexDir() + "/UnquickenMultiDex.odex";
std::string vdex_location = GetOdexDir() + "/UnquickenMultiDex.vdex";
Copy(GetTestDexFileName("MultiDex"), dex_location);
std::unique_ptr<File> vdex_file1(OS::CreateEmptyFile(vdex_location.c_str()));
CHECK(vdex_file1 != nullptr) << vdex_location;
// Quicken the dex file into a vdex file.
{
std::string input_vdex = "--input-vdex-fd=-1";
std::string output_vdex = StringPrintf("--output-vdex-fd=%d", vdex_file1->Fd());
GenerateOdexForTest(dex_location,
odex_location,
CompilerFilter::kQuicken,
{ input_vdex, output_vdex },
/* expect_success */ true,
/* use_fd */ true);
EXPECT_GT(vdex_file1->GetLength(), 0u);
}
// Unquicken by running the verify compiler filter on the vdex file.
{
std::string input_vdex = StringPrintf("--input-vdex-fd=%d", vdex_file1->Fd());
std::string output_vdex = StringPrintf("--output-vdex-fd=%d", vdex_file1->Fd());
GenerateOdexForTest(dex_location,
odex_location,
CompilerFilter::kVerify,
{ input_vdex, output_vdex },
/* expect_success */ true,
/* use_fd */ true);
}
ASSERT_EQ(vdex_file1->FlushCloseOrErase(), 0) << "Could not flush and close vdex file";
CheckResult(dex_location, odex_location);
ASSERT_TRUE(success_);
}
void CheckResult(const std::string& dex_location, const std::string& odex_location) {
std::string error_msg;
std::unique_ptr<OatFile> odex_file(OatFile::Open(odex_location.c_str(),
odex_location.c_str(),
nullptr,
nullptr,
false,
/*low_4gb*/false,
dex_location.c_str(),
&error_msg));
ASSERT_TRUE(odex_file.get() != nullptr) << error_msg;
ASSERT_GE(odex_file->GetOatDexFiles().size(), 1u);
// Iterate over the dex files and ensure there is no quickened instruction.
for (const OatDexFile* oat_dex_file : odex_file->GetOatDexFiles()) {
std::unique_ptr<const DexFile> dex_file = oat_dex_file->OpenDexFile(&error_msg);
for (uint32_t i = 0; i < dex_file->NumClassDefs(); ++i) {
const DexFile::ClassDef& class_def = dex_file->GetClassDef(i);
const uint8_t* class_data = dex_file->GetClassData(class_def);
if (class_data != nullptr) {
for (ClassDataItemIterator class_it(*dex_file, class_data);
class_it.HasNext();
class_it.Next()) {
if (class_it.IsAtMethod() && class_it.GetMethodCodeItem() != nullptr) {
for (CodeItemIterator it(*class_it.GetMethodCodeItem()); !it.Done(); it.Advance()) {
Instruction* inst = const_cast<Instruction*>(&it.CurrentInstruction());
ASSERT_FALSE(inst->IsQuickened());
}
}
}
}
}
}
}
};
TEST_F(Dex2oatUnquickenTest, UnquickenMultiDex) {
RunUnquickenMultiDex();
}
class Dex2oatWatchdogTest : public Dex2oatTest {
protected:
void RunTest(bool expect_success, const std::vector<std::string>& extra_args = {}) {
std::string dex_location = GetScratchDir() + "/Dex2OatSwapTest.jar";
std::string odex_location = GetOdexDir() + "/Dex2OatSwapTest.odex";
Copy(GetTestDexFileName(), dex_location);
std::vector<std::string> copy(extra_args);
std::string swap_location = GetOdexDir() + "/Dex2OatSwapTest.odex.swap";
copy.push_back("--swap-file=" + swap_location);
GenerateOdexForTest(dex_location,
odex_location,
CompilerFilter::kSpeed,
copy,
expect_success);
}
std::string GetTestDexFileName() {
return GetDexSrc1();
}
};
TEST_F(Dex2oatWatchdogTest, TestWatchdogOK) {
// Check with default.
RunTest(true);
// Check with ten minutes.
RunTest(true, { "--watchdog-timeout=600000" });
}
TEST_F(Dex2oatWatchdogTest, TestWatchdogTrigger) {
// Check with ten milliseconds.
RunTest(false, { "--watchdog-timeout=10" });
}
class Dex2oatReturnCodeTest : public Dex2oatTest {
protected:
int RunTest(const std::vector<std::string>& extra_args = {}) {
std::string dex_location = GetScratchDir() + "/Dex2OatSwapTest.jar";
std::string odex_location = GetOdexDir() + "/Dex2OatSwapTest.odex";
Copy(GetTestDexFileName(), dex_location);
std::string error_msg;
return GenerateOdexForTestWithStatus({dex_location},
odex_location,
CompilerFilter::kSpeed,
&error_msg,
extra_args);
}
std::string GetTestDexFileName() {
return GetDexSrc1();
}
};
TEST_F(Dex2oatReturnCodeTest, TestCreateRuntime) {
TEST_DISABLED_FOR_MEMORY_TOOL(); // b/19100793
int status = RunTest({ "--boot-image=/this/does/not/exist/yolo.oat" });
EXPECT_EQ(static_cast<int>(dex2oat::ReturnCode::kCreateRuntime), WEXITSTATUS(status)) << output_;
}
class Dex2oatClassLoaderContextTest : public Dex2oatTest {
protected:
void RunTest(const char* class_loader_context,
const char* expected_classpath_key,
bool expected_success,
bool use_second_source = false) {
std::string dex_location = GetUsedDexLocation();
std::string odex_location = GetUsedOatLocation();
Copy(use_second_source ? GetDexSrc2() : GetDexSrc1(), dex_location);
std::string error_msg;
std::vector<std::string> extra_args;
if (class_loader_context != nullptr) {
extra_args.push_back(std::string("--class-loader-context=") + class_loader_context);
}
auto check_oat = [expected_classpath_key](const OatFile& oat_file) {
ASSERT_TRUE(expected_classpath_key != nullptr);
const char* classpath = oat_file.GetOatHeader().GetStoreValueByKey(OatHeader::kClassPathKey);
ASSERT_TRUE(classpath != nullptr);
ASSERT_STREQ(expected_classpath_key, classpath);
};
GenerateOdexForTest(dex_location,
odex_location,
CompilerFilter::kQuicken,
extra_args,
expected_success,
/*use_fd*/ false,
check_oat);
}
std::string GetUsedDexLocation() {
return GetScratchDir() + "/Context.jar";
}
std::string GetUsedOatLocation() {
return GetOdexDir() + "/Context.odex";
}
const char* kEmptyClassPathKey = "PCL[]";
};
TEST_F(Dex2oatClassLoaderContextTest, InvalidContext) {
RunTest("Invalid[]", /*expected_classpath_key*/ nullptr, /*expected_success*/ false);
}
TEST_F(Dex2oatClassLoaderContextTest, EmptyContext) {
RunTest("PCL[]", kEmptyClassPathKey, /*expected_success*/ true);
}
TEST_F(Dex2oatClassLoaderContextTest, SpecialContext) {
RunTest(OatFile::kSpecialSharedLibrary,
OatFile::kSpecialSharedLibrary,
/*expected_success*/ true);
}
TEST_F(Dex2oatClassLoaderContextTest, ContextWithTheSourceDexFiles) {
std::string context = "PCL[" + GetUsedDexLocation() + "]";
RunTest(context.c_str(), kEmptyClassPathKey, /*expected_success*/ true);
}
TEST_F(Dex2oatClassLoaderContextTest, ContextWithOtherDexFiles) {
std::vector<std::unique_ptr<const DexFile>> dex_files = OpenTestDexFiles("Nested");
std::string context = "PCL[" + dex_files[0]->GetLocation() + "]";
std::string expected_classpath_key = "PCL[" +
dex_files[0]->GetLocation() + "*" + std::to_string(dex_files[0]->GetLocationChecksum()) + "]";
RunTest(context.c_str(), expected_classpath_key.c_str(), true);
}
TEST_F(Dex2oatClassLoaderContextTest, ContextWithStrippedDexFiles) {
std::string stripped_classpath = GetScratchDir() + "/stripped_classpath.jar";
Copy(GetStrippedDexSrc1(), stripped_classpath);
std::string context = "PCL[" + stripped_classpath + "]";
// Expect an empty context because stripped dex files cannot be open.
RunTest(context.c_str(), kEmptyClassPathKey , /*expected_success*/ true);
}
TEST_F(Dex2oatClassLoaderContextTest, ContextWithStrippedDexFilesBackedByOdex) {
std::string stripped_classpath = GetScratchDir() + "/stripped_classpath.jar";
std::string odex_for_classpath = GetOdexDir() + "/stripped_classpath.odex";
Copy(GetDexSrc1(), stripped_classpath);
GenerateOdexForTest(stripped_classpath,
odex_for_classpath,
CompilerFilter::kQuicken,
{},
true);
// Strip the dex file
Copy(GetStrippedDexSrc1(), stripped_classpath);
std::string context = "PCL[" + stripped_classpath + "]";
std::string expected_classpath_key;
{
// Open the oat file to get the expected classpath.
OatFileAssistant oat_file_assistant(stripped_classpath.c_str(), kRuntimeISA, false);
std::unique_ptr<OatFile> oat_file(oat_file_assistant.GetBestOatFile());
std::vector<std::unique_ptr<const DexFile>> oat_dex_files =
OatFileAssistant::LoadDexFiles(*oat_file, stripped_classpath.c_str());
expected_classpath_key = "PCL[";
for (size_t i = 0; i < oat_dex_files.size(); i++) {
if (i > 0) {
expected_classpath_key + ":";
}
expected_classpath_key += oat_dex_files[i]->GetLocation() + "*" +
std::to_string(oat_dex_files[i]->GetLocationChecksum());
}
expected_classpath_key += "]";
}
RunTest(context.c_str(),
expected_classpath_key.c_str(),
/*expected_success*/ true,
/*use_second_source*/ true);
}
TEST_F(Dex2oatClassLoaderContextTest, ContextWithNotExistentDexFiles) {
std::string context = "PCL[does_not_exists.dex]";
// Expect an empty context because stripped dex files cannot be open.
RunTest(context.c_str(), kEmptyClassPathKey, /*expected_success*/ true);
}
TEST_F(Dex2oatClassLoaderContextTest, ChainContext) {
std::vector<std::unique_ptr<const DexFile>> dex_files1 = OpenTestDexFiles("Nested");
std::vector<std::unique_ptr<const DexFile>> dex_files2 = OpenTestDexFiles("MultiDex");
std::string context = "PCL[" + GetTestDexFileName("Nested") + "];" +
"DLC[" + GetTestDexFileName("MultiDex") + "]";
std::string expected_classpath_key = "PCL[" + CreateClassPathWithChecksums(dex_files1) + "];" +
"DLC[" + CreateClassPathWithChecksums(dex_files2) + "]";
RunTest(context.c_str(), expected_classpath_key.c_str(), true);
}
class Dex2oatDeterminism : public Dex2oatTest {};
TEST_F(Dex2oatDeterminism, UnloadCompile) {
if (!kUseReadBarrier &&
gc::kCollectorTypeDefault != gc::kCollectorTypeCMS &&
gc::kCollectorTypeDefault != gc::kCollectorTypeMS) {
LOG(INFO) << "Test requires determinism support.";
return;
}
Runtime* const runtime = Runtime::Current();
std::string out_dir = GetScratchDir();
const std::string base_oat_name = out_dir + "/base.oat";
const std::string base_vdex_name = out_dir + "/base.vdex";
const std::string unload_oat_name = out_dir + "/unload.oat";
const std::string unload_vdex_name = out_dir + "/unload.vdex";
const std::string no_unload_oat_name = out_dir + "/nounload.oat";
const std::string no_unload_vdex_name = out_dir + "/nounload.vdex";
const std::string app_image_name = out_dir + "/unload.art";
std::string error_msg;
const std::vector<gc::space::ImageSpace*>& spaces = runtime->GetHeap()->GetBootImageSpaces();
ASSERT_GT(spaces.size(), 0u);
const std::string image_location = spaces[0]->GetImageLocation();
// Without passing in an app image, it will unload in between compilations.
const int res = GenerateOdexForTestWithStatus(
GetLibCoreDexFileNames(),
base_oat_name,
CompilerFilter::Filter::kQuicken,
&error_msg,
{"--force-determinism", "--avoid-storing-invocation"});
EXPECT_EQ(res, 0);
Copy(base_oat_name, unload_oat_name);
Copy(base_vdex_name, unload_vdex_name);
std::unique_ptr<File> unload_oat(OS::OpenFileForReading(unload_oat_name.c_str()));
std::unique_ptr<File> unload_vdex(OS::OpenFileForReading(unload_vdex_name.c_str()));
ASSERT_TRUE(unload_oat != nullptr);
ASSERT_TRUE(unload_vdex != nullptr);
EXPECT_GT(unload_oat->GetLength(), 0u);
EXPECT_GT(unload_vdex->GetLength(), 0u);
// Regenerate with an app image to disable the dex2oat unloading and verify that the output is
// the same.
const int res2 = GenerateOdexForTestWithStatus(
GetLibCoreDexFileNames(),
base_oat_name,
CompilerFilter::Filter::kQuicken,
&error_msg,
{"--force-determinism", "--avoid-storing-invocation", "--app-image-file=" + app_image_name});
EXPECT_EQ(res2, 0);
Copy(base_oat_name, no_unload_oat_name);
Copy(base_vdex_name, no_unload_vdex_name);
std::unique_ptr<File> no_unload_oat(OS::OpenFileForReading(no_unload_oat_name.c_str()));
std::unique_ptr<File> no_unload_vdex(OS::OpenFileForReading(no_unload_vdex_name.c_str()));
ASSERT_TRUE(no_unload_oat != nullptr);
ASSERT_TRUE(no_unload_vdex != nullptr);
EXPECT_GT(no_unload_oat->GetLength(), 0u);
EXPECT_GT(no_unload_vdex->GetLength(), 0u);
// Verify that both of the files are the same (odex and vdex).
EXPECT_EQ(unload_oat->GetLength(), no_unload_oat->GetLength());
EXPECT_EQ(unload_vdex->GetLength(), no_unload_vdex->GetLength());
EXPECT_EQ(unload_oat->Compare(no_unload_oat.get()), 0)
<< unload_oat_name << " " << no_unload_oat_name;
EXPECT_EQ(unload_vdex->Compare(no_unload_vdex.get()), 0)
<< unload_vdex_name << " " << no_unload_vdex_name;
// App image file.
std::unique_ptr<File> app_image_file(OS::OpenFileForReading(app_image_name.c_str()));
ASSERT_TRUE(app_image_file != nullptr);
EXPECT_GT(app_image_file->GetLength(), 0u);
}
// Test that dexlayout section info is correctly written to the oat file for profile based
// compilation.
TEST_F(Dex2oatTest, LayoutSections) {
using Hotness = ProfileCompilationInfo::MethodHotness;
std::unique_ptr<const DexFile> dex(OpenTestDexFile("ManyMethods"));
ScratchFile profile_file;
// We can only layout method indices with code items, figure out which ones have this property
// first.
std::vector<uint16_t> methods;
{
const DexFile::TypeId* type_id = dex->FindTypeId("LManyMethods;");
dex::TypeIndex type_idx = dex->GetIndexForTypeId(*type_id);
const DexFile::ClassDef* class_def = dex->FindClassDef(type_idx);
ClassDataItemIterator it(*dex, dex->GetClassData(*class_def));
it.SkipAllFields();
std::set<size_t> code_item_offsets;
for (; it.HasNextDirectMethod() || it.HasNextVirtualMethod(); it.Next()) {
const uint16_t method_idx = it.GetMemberIndex();
const size_t code_item_offset = it.GetMethodCodeItemOffset();
if (code_item_offsets.insert(code_item_offset).second) {
// Unique code item, add the method index.
methods.push_back(method_idx);
}
}
DCHECK(!it.HasNext());
}
ASSERT_GE(methods.size(), 8u);
std::vector<uint16_t> hot_methods = {methods[1], methods[3], methods[5]};
std::vector<uint16_t> startup_methods = {methods[1], methods[2], methods[7]};
std::vector<uint16_t> post_methods = {methods[0], methods[2], methods[6]};
// Here, we build the profile from the method lists.
ProfileCompilationInfo info;
info.AddMethodsForDex(
static_cast<Hotness::Flag>(Hotness::kFlagHot | Hotness::kFlagStartup),
dex.get(),
hot_methods.begin(),
hot_methods.end());
info.AddMethodsForDex(
Hotness::kFlagStartup,
dex.get(),
startup_methods.begin(),
startup_methods.end());
info.AddMethodsForDex(
Hotness::kFlagPostStartup,
dex.get(),
post_methods.begin(),
post_methods.end());
for (uint16_t id : hot_methods) {
EXPECT_TRUE(info.GetMethodHotness(MethodReference(dex.get(), id)).IsHot());
EXPECT_TRUE(info.GetMethodHotness(MethodReference(dex.get(), id)).IsStartup());
}
for (uint16_t id : startup_methods) {
EXPECT_TRUE(info.GetMethodHotness(MethodReference(dex.get(), id)).IsStartup());
}
for (uint16_t id : post_methods) {
EXPECT_TRUE(info.GetMethodHotness(MethodReference(dex.get(), id)).IsPostStartup());
}
// Save the profile since we want to use it with dex2oat to produce an oat file.
ASSERT_TRUE(info.Save(profile_file.GetFd()));
// Generate a profile based odex.
const std::string dir = GetScratchDir();
const std::string oat_filename = dir + "/base.oat";
const std::string vdex_filename = dir + "/base.vdex";
std::string error_msg;
const int res = GenerateOdexForTestWithStatus(
{dex->GetLocation()},
oat_filename,
CompilerFilter::Filter::kQuicken,
&error_msg,
{"--profile-file=" + profile_file.GetFilename()});
EXPECT_EQ(res, 0);
// Open our generated oat file.
std::unique_ptr<OatFile> odex_file(OatFile::Open(oat_filename.c_str(),
oat_filename.c_str(),
nullptr,
nullptr,
false,
/*low_4gb*/false,
dex->GetLocation().c_str(),
&error_msg));
ASSERT_TRUE(odex_file != nullptr);
std::vector<const OatDexFile*> oat_dex_files = odex_file->GetOatDexFiles();
ASSERT_EQ(oat_dex_files.size(), 1u);
// Check that the code sections match what we expect.
for (const OatDexFile* oat_dex : oat_dex_files) {
const DexLayoutSections* const sections = oat_dex->GetDexLayoutSections();
// Testing of logging the sections.
ASSERT_TRUE(sections != nullptr);
LOG(INFO) << *sections;
// Load the sections into temporary variables for convenience.
const DexLayoutSection& code_section =
sections->sections_[static_cast<size_t>(DexLayoutSections::SectionType::kSectionTypeCode)];
const DexLayoutSection::Subsection& section_hot_code =
code_section.parts_[static_cast<size_t>(LayoutType::kLayoutTypeHot)];
const DexLayoutSection::Subsection& section_sometimes_used =
code_section.parts_[static_cast<size_t>(LayoutType::kLayoutTypeSometimesUsed)];
const DexLayoutSection::Subsection& section_startup_only =
code_section.parts_[static_cast<size_t>(LayoutType::kLayoutTypeStartupOnly)];
const DexLayoutSection::Subsection& section_unused =
code_section.parts_[static_cast<size_t>(LayoutType::kLayoutTypeUnused)];
// All the sections should be non-empty.
EXPECT_GT(section_hot_code.size_, 0u);
EXPECT_GT(section_sometimes_used.size_, 0u);
EXPECT_GT(section_startup_only.size_, 0u);
EXPECT_GT(section_unused.size_, 0u);
// Open the dex file since we need to peek at the code items to verify the layout matches what
// we expect.
std::unique_ptr<const DexFile> dex_file(oat_dex->OpenDexFile(&error_msg));
ASSERT_TRUE(dex_file != nullptr) << error_msg;
const DexFile::TypeId* type_id = dex_file->FindTypeId("LManyMethods;");
ASSERT_TRUE(type_id != nullptr);
dex::TypeIndex type_idx = dex_file->GetIndexForTypeId(*type_id);
const DexFile::ClassDef* class_def = dex_file->FindClassDef(type_idx);
ASSERT_TRUE(class_def != nullptr);
// Count how many code items are for each category, there should be at least one per category.
size_t hot_count = 0;
size_t post_startup_count = 0;
size_t startup_count = 0;
size_t unused_count = 0;
// Visit all of the methdos of the main class and cross reference the method indices to their
// corresponding code item offsets to verify the layout.
ClassDataItemIterator it(*dex_file, dex_file->GetClassData(*class_def));
it.SkipAllFields();
for (; it.HasNextDirectMethod() || it.HasNextVirtualMethod(); it.Next()) {
const size_t method_idx = it.GetMemberIndex();
const size_t code_item_offset = it.GetMethodCodeItemOffset();
const bool is_hot = ContainsElement(hot_methods, method_idx);
const bool is_startup = ContainsElement(startup_methods, method_idx);
const bool is_post_startup = ContainsElement(post_methods, method_idx);
if (is_hot) {
// Hot is highest precedence, check that the hot methods are in the hot section.
EXPECT_LT(code_item_offset - section_hot_code.offset_, section_hot_code.size_);
++hot_count;
} else if (is_post_startup) {
// Post startup is sometimes used section.
EXPECT_LT(code_item_offset - section_sometimes_used.offset_, section_sometimes_used.size_);
++post_startup_count;
} else if (is_startup) {
// Startup at this point means not hot or post startup, these must be startup only then.
EXPECT_LT(code_item_offset - section_startup_only.offset_, section_startup_only.size_);
++startup_count;
} else {
// If no flags are set, the method should be unused.
EXPECT_LT(code_item_offset - section_unused.offset_, section_unused.size_);
++unused_count;
}
}
DCHECK(!it.HasNext());
EXPECT_GT(hot_count, 0u);
EXPECT_GT(post_startup_count, 0u);
EXPECT_GT(startup_count, 0u);
EXPECT_GT(unused_count, 0u);
}
}
} // namespace art
Reference in a new issue View git blame Copy permalink