blob: 15893b2b031305303e1c66b5e07c5abaca86b89a [file] [log] [blame]
// Copyright 2011 Google Inc. All Rights Reserved.
#include <dirent.h>
#include <dlfcn.h>
#include <sys/mman.h>
#include <sys/stat.h>
#include <sys/types.h>
#include "UniquePtr.h"
#include "base64.h"
#include "class_linker.h"
#include "class_loader.h"
#include "compiler.h"
#include "constants.h"
#include "dex_file.h"
#include "file.h"
#include "gtest/gtest.h"
#include "heap.h"
#include "macros.h"
#include "oat_file.h"
#include "object_utils.h"
#include "os.h"
#include "runtime.h"
#include "stl_util.h"
#include "stringprintf.h"
#include "thread.h"
#include "unicode/uclean.h"
#include "unicode/uvernum.h"
namespace art {
static inline const DexFile* OpenDexFileBase64(const char* base64,
const std::string& location) {
// decode base64
CHECK(base64 != NULL);
size_t length;
UniquePtr<byte[]> dex_bytes(DecodeBase64(base64, &length));
CHECK(dex_bytes.get() != NULL);
// write to provided file
UniquePtr<File> file(OS::OpenFile(location.c_str(), true));
CHECK(file.get() != NULL);
if (!file->WriteFully(dex_bytes.get(), length)) {
PLOG(FATAL) << "Failed to write base64 as dex file";
}
file.reset();
// read dex file
const DexFile* dex_file = DexFile::Open(location, "");
CHECK(dex_file != NULL);
return dex_file;
}
class ScratchFile {
public:
ScratchFile() {
filename_ = getenv("ANDROID_DATA");
filename_ += "/TmpFile-XXXXXX";
fd_ = mkstemp(&filename_[0]);
CHECK_NE(-1, fd_);
file_.reset(OS::FileFromFd(GetFilename(), fd_));
}
~ScratchFile() {
int unlink_result = unlink(filename_.c_str());
CHECK_EQ(0, unlink_result);
int close_result = close(fd_);
CHECK_EQ(0, close_result);
}
const char* GetFilename() const {
return filename_.c_str();
}
File* GetFile() const {
return file_.get();
}
int GetFd() const {
return fd_;
}
private:
std::string filename_;
int fd_;
UniquePtr<File> file_;
};
class CommonTest : public testing::Test {
public:
static void MakeExecutable(const ByteArray* code_array) {
CHECK(code_array != NULL);
MakeExecutable(code_array->GetData(), code_array->GetLength());
}
static void MakeExecutable(const std::vector<uint8_t>& code) {
CHECK_NE(code.size(), 0U);
MakeExecutable(&code[0], code.size());
}
// Create an OatMethod based on pointers (for unit tests)
OatFile::OatMethod CreateOatMethod(const void* code,
const size_t frame_size_in_bytes,
const uint32_t core_spill_mask,
const uint32_t fp_spill_mask,
const uint32_t* mapping_table,
const uint16_t* vmap_table,
const uint8_t* gc_map,
const Method::InvokeStub* invoke_stub) {
return OatFile::OatMethod(NULL,
reinterpret_cast<uint32_t>(code),
frame_size_in_bytes,
core_spill_mask,
fp_spill_mask,
reinterpret_cast<uint32_t>(mapping_table),
reinterpret_cast<uint32_t>(vmap_table),
reinterpret_cast<uint32_t>(gc_map),
reinterpret_cast<uint32_t>(invoke_stub));
}
void MakeExecutable(Method* method) {
CHECK(method != NULL);
MethodHelper mh(method);
const CompiledInvokeStub* compiled_invoke_stub =
compiler_->FindInvokeStub(mh.IsStatic(), mh.GetShorty());
CHECK(compiled_invoke_stub != NULL) << PrettyMethod(method);
const std::vector<uint8_t>& invoke_stub = compiled_invoke_stub->GetCode();
MakeExecutable(invoke_stub);
const Method::InvokeStub* method_invoke_stub
= reinterpret_cast<const Method::InvokeStub*>(&invoke_stub[0]);
LOG(INFO) << "MakeExecutable " << PrettyMethod(method)
<< " invoke_stub=" << reinterpret_cast<void*>(method_invoke_stub);
if (!method->IsAbstract()) {
const DexCache* dex_cache = method->GetDeclaringClass()->GetDexCache();
const DexFile& dex_file = Runtime::Current()->GetClassLinker()->FindDexFile(dex_cache);
const CompiledMethod* compiled_method =
compiler_->GetCompiledMethod(Compiler::MethodReference(&dex_file,
method->GetDexMethodIndex()));
CHECK(compiled_method != NULL) << PrettyMethod(method);
const std::vector<uint8_t>& code = compiled_method->GetCode();
MakeExecutable(code);
const void* method_code
= CompiledMethod::CodePointer(&code[0], compiled_method->GetInstructionSet());
LOG(INFO) << "MakeExecutable " << PrettyMethod(method) << " code=" << method_code;
OatFile::OatMethod oat_method = CreateOatMethod(method_code,
compiled_method->GetFrameSizeInBytes(),
compiled_method->GetCoreSpillMask(),
compiled_method->GetFpSpillMask(),
&compiled_method->GetMappingTable()[0],
&compiled_method->GetVmapTable()[0],
NULL,
method_invoke_stub);
oat_method.LinkMethodPointers(method);
} else {
MakeExecutable(runtime_->GetAbstractMethodErrorStubArray());
const void* method_code = runtime_->GetAbstractMethodErrorStubArray()->GetData();
LOG(INFO) << "MakeExecutable " << PrettyMethod(method) << " code=" << method_code;
OatFile::OatMethod oat_method = CreateOatMethod(method_code,
kStackAlignment,
0,
0,
NULL,
NULL,
NULL,
method_invoke_stub);
oat_method.LinkMethodPointers(method);
}
}
static void MakeExecutable(const void* code_start, size_t code_length) {
CHECK(code_start != NULL);
CHECK_NE(code_length, 0U);
uintptr_t data = reinterpret_cast<uintptr_t>(code_start);
uintptr_t base = RoundDown(data, kPageSize);
uintptr_t limit = RoundUp(data + code_length, kPageSize);
uintptr_t len = limit - base;
int result = mprotect(reinterpret_cast<void*>(base), len, PROT_READ | PROT_WRITE | PROT_EXEC);
CHECK_EQ(result, 0);
// Flush instruction cache
// Only uses __builtin___clear_cache if GCC >= 4.3.3
#if GCC_VERSION >= 40303
__builtin___clear_cache(reinterpret_cast<void*>(base), reinterpret_cast<void*>(base + len));
#elif defined(__APPLE__)
// Currently, only Mac OS builds use GCC 4.2.*. Those host builds do not
// need to generate clear_cache on x86.
#else
#error unsupported
#endif
}
protected:
virtual void SetUp() {
is_host_ = getenv("ANDROID_BUILD_TOP") != NULL;
if (is_host_) {
// $ANDROID_ROOT is set on the device, but not on the host.
// We need to set this so that icu4c can find its locale data.
std::string root;
root += getenv("ANDROID_BUILD_TOP");
#if defined(__linux__)
root += "/out/host/linux-x86";
#elif defined(__APPLE__)
root += "/out/host/darwin-x86";
#else
#error unsupported OS
#endif
setenv("ANDROID_ROOT", root.c_str(), 1);
}
// On target, Cannot use /mnt/sdcard because it is mounted noexec, so use subdir of art-cache
android_data_ = (is_host_ ? "/tmp/art-data-XXXXXX" : "/data/art-cache/art-data-XXXXXX");
if (mkdtemp(&android_data_[0]) == NULL) {
PLOG(FATAL) << "mkdtemp(\"" << &android_data_[0] << "\") failed";
}
setenv("ANDROID_DATA", android_data_.c_str(), 1);
art_cache_.append(android_data_.c_str());
art_cache_.append("/art-cache");
int mkdir_result = mkdir(art_cache_.c_str(), 0700);
ASSERT_EQ(mkdir_result, 0);
java_lang_dex_file_.reset(GetLibCoreDex());
std::string boot_class_path;
boot_class_path += "-Xbootclasspath:";
boot_class_path += GetLibCoreDexFileName();
std::string min_heap_string = StringPrintf("-Xms%dm",Heap::kInitialSize / MB);
std::string max_heap_string = StringPrintf("-Xmx%dm",Heap::kMaximumSize / MB);
Runtime::Options options;
options.push_back(std::make_pair("compiler", reinterpret_cast<void*>(NULL)));
options.push_back(std::make_pair(boot_class_path.c_str(), reinterpret_cast<void*>(NULL)));
options.push_back(std::make_pair("-Xcheck:jni", reinterpret_cast<void*>(NULL)));
options.push_back(std::make_pair(min_heap_string.c_str(), reinterpret_cast<void*>(NULL)));
options.push_back(std::make_pair(max_heap_string.c_str(), reinterpret_cast<void*>(NULL)));
runtime_.reset(Runtime::Create(options, false));
ASSERT_TRUE(runtime_.get() != NULL);
class_linker_ = runtime_->GetClassLinker();
InstructionSet instruction_set = kNone;
#if defined(__i386__)
instruction_set = kX86;
#elif defined(__arm__)
instruction_set = kThumb2;
#endif
runtime_->SetJniDlsymLookupStub(Compiler::CreateJniDlsymLookupStub(instruction_set));
runtime_->SetAbstractMethodErrorStubArray(Compiler::CreateAbstractMethodErrorStub(instruction_set));
for (int i = 0; i < Runtime::kLastTrampolineMethodType; i++) {
Runtime::TrampolineType type = Runtime::TrampolineType(i);
if (!runtime_->HasResolutionStubArray(type)) {
runtime_->SetResolutionStubArray(
Compiler::CreateResolutionStub(instruction_set, type), type);
}
}
for (int i = 0; i < Runtime::kLastCalleeSaveType; i++) {
Runtime::CalleeSaveType type = Runtime::CalleeSaveType(i);
if (!runtime_->HasCalleeSaveMethod(type)) {
runtime_->SetCalleeSaveMethod(
runtime_->CreateCalleeSaveMethod(instruction_set, type), type);
}
}
compiler_.reset(new Compiler(instruction_set, false, NULL));
Heap::VerifyHeap(); // Check for heap corruption before the test
}
virtual void TearDown() {
const char* android_data = getenv("ANDROID_DATA");
ASSERT_TRUE(android_data != NULL);
DIR* dir = opendir(art_cache_.c_str());
ASSERT_TRUE(dir != NULL);
while (true) {
struct dirent entry;
struct dirent* entry_ptr;
int readdir_result = readdir_r(dir, &entry, &entry_ptr);
ASSERT_EQ(0, readdir_result);
if (entry_ptr == NULL) {
break;
}
if ((strcmp(entry_ptr->d_name, ".") == 0) || (strcmp(entry_ptr->d_name, "..") == 0)) {
continue;
}
std::string filename(art_cache_);
filename.push_back('/');
filename.append(entry_ptr->d_name);
int unlink_result = unlink(filename.c_str());
ASSERT_EQ(0, unlink_result);
}
closedir(dir);
int rmdir_cache_result = rmdir(art_cache_.c_str());
ASSERT_EQ(0, rmdir_cache_result);
int rmdir_data_result = rmdir(android_data_.c_str());
ASSERT_EQ(0, rmdir_data_result);
// icu4c has a fixed 10-element array "gCommonICUDataArray".
// If we run > 10 tests, we fill that array and u_setCommonData fails.
// There's a function to clear the array, but it's not public...
typedef void (*IcuCleanupFn)();
void* sym = dlsym(RTLD_DEFAULT, "u_cleanup_" U_ICU_VERSION_SHORT);
CHECK(sym != NULL);
IcuCleanupFn icu_cleanup_fn = reinterpret_cast<IcuCleanupFn>(sym);
(*icu_cleanup_fn)();
compiler_.reset();
STLDeleteElements(&opened_dex_files_);
Heap::VerifyHeap(); // Check for heap corruption after the test
}
std::string GetLibCoreDexFileName() {
if (is_host_) {
const char* host_dir = getenv("ANDROID_HOST_OUT");
CHECK(host_dir != NULL);
return StringPrintf("%s/framework/core-hostdex.jar", host_dir);
}
return std::string("/system/framework/core.jar");
}
const DexFile* GetLibCoreDex() {
std::string libcore_dex_file_name(GetLibCoreDexFileName());
return DexFile::Open(libcore_dex_file_name, "");
}
const DexFile* OpenTestDexFile(const char* name) {
CHECK(name != NULL);
std::string filename;
if (is_host_) {
// on the host, just read target dex file
filename += getenv("ANDROID_PRODUCT_OUT");
}
filename += "/data/art-test/art-test-dex-";
filename += name;
filename += ".jar";
const DexFile* dex_file = DexFile::Open(filename, "");
CHECK(dex_file != NULL) << "Failed to open " << filename;
opened_dex_files_.push_back(dex_file);
return dex_file;
}
ClassLoader* LoadDex(const char* dex_name) {
const DexFile* dex_file = OpenTestDexFile(dex_name);
CHECK(dex_file != NULL);
class_linker_->RegisterDexFile(*dex_file);
std::vector<const DexFile*> class_path;
class_path.push_back(dex_file);
SirtRef<ClassLoader> class_loader(PathClassLoader::AllocCompileTime(class_path));
CHECK(class_loader.get() != NULL);
Thread::Current()->SetClassLoaderOverride(class_loader.get());
return class_loader.get();
}
void CompileClass(const ClassLoader* class_loader, const char* class_name) {
std::string class_descriptor(DotToDescriptor(class_name));
Class* klass = class_linker_->FindClass(class_descriptor.c_str(), class_loader);
CHECK(klass != NULL) << "Class not found " << class_name;
for (size_t i = 0; i < klass->NumDirectMethods(); i++) {
CompileMethod(klass->GetDirectMethod(i));
}
for (size_t i = 0; i < klass->NumVirtualMethods(); i++) {
CompileMethod(klass->GetVirtualMethod(i));
}
}
void CompileMethod(Method* method) {
CHECK(method != NULL);
compiler_->CompileOne(method);
MakeExecutable(method);
MakeExecutable(runtime_->GetJniDlsymLookupStub());
}
void CompileDirectMethod(ClassLoader* class_loader,
const char* class_name,
const char* method_name,
const char* signature) {
std::string class_descriptor(DotToDescriptor(class_name));
Class* klass = class_linker_->FindClass(class_descriptor.c_str(), class_loader);
CHECK(klass != NULL) << "Class not found " << class_name;
Method* method = klass->FindDirectMethod(method_name, signature);
CHECK(method != NULL) << "Direct method not found: "
<< class_name << "." << method_name << signature;
CompileMethod(method);
}
void CompileVirtualMethod(ClassLoader* class_loader,
const char* class_name,
const char* method_name,
const char* signature) {
std::string class_descriptor(DotToDescriptor(class_name));
Class* klass = class_linker_->FindClass(class_descriptor.c_str(), class_loader);
CHECK(klass != NULL) << "Class not found " << class_name;
Method* method = klass->FindVirtualMethod(method_name, signature);
CHECK(method != NULL) << "Virtual method not found: "
<< class_name << "." << method_name << signature;
CompileMethod(method);
}
bool is_host_;
std::string android_data_;
std::string art_cache_;
UniquePtr<const DexFile> java_lang_dex_file_;
std::vector<const DexFile*> boot_class_path_;
UniquePtr<Runtime> runtime_;
// Owned by the runtime
ClassLinker* class_linker_;
UniquePtr<Compiler> compiler_;
private:
std::vector<const DexFile*> opened_dex_files_;
};
} // namespace art
namespace std {
// TODO: isn't gtest supposed to be able to print STL types for itself?
template <typename T>
std::ostream& operator<<(std::ostream& os, const std::vector<T>& rhs) {
os << ::art::ToString(rhs);
return os;
}
} // namespace std