1 /*
2 * Copyright (C) 2011 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17 #include "driver/compiler_driver.h"
18
19 #include <stdint.h>
20 #include <stdio.h>
21 #include <memory>
22
23 #include "art_method-inl.h"
24 #include "class_linker-inl.h"
25 #include "common_compiler_test.h"
26 #include "dex_file.h"
27 #include "gc/heap.h"
28 #include "mirror/class-inl.h"
29 #include "mirror/class_loader.h"
30 #include "mirror/dex_cache-inl.h"
31 #include "mirror/object_array-inl.h"
32 #include "mirror/object-inl.h"
33 #include "handle_scope-inl.h"
34 #include "jit/offline_profiling_info.h"
35 #include "scoped_thread_state_change.h"
36
37 namespace art {
38
39 class CompilerDriverTest : public CommonCompilerTest {
40 protected:
CompileAll(jobject class_loader)41 void CompileAll(jobject class_loader) REQUIRES(!Locks::mutator_lock_) {
42 TimingLogger timings("CompilerDriverTest::CompileAll", false, false);
43 TimingLogger::ScopedTiming t(__FUNCTION__, &timings);
44 compiler_driver_->CompileAll(class_loader,
45 GetDexFiles(class_loader),
46 &timings);
47 t.NewTiming("MakeAllExecutable");
48 MakeAllExecutable(class_loader);
49 }
50
EnsureCompiled(jobject class_loader,const char * class_name,const char * method,const char * signature,bool is_virtual)51 void EnsureCompiled(jobject class_loader, const char* class_name, const char* method,
52 const char* signature, bool is_virtual)
53 REQUIRES(!Locks::mutator_lock_) {
54 CompileAll(class_loader);
55 Thread::Current()->TransitionFromSuspendedToRunnable();
56 bool started = runtime_->Start();
57 CHECK(started);
58 env_ = Thread::Current()->GetJniEnv();
59 class_ = env_->FindClass(class_name);
60 CHECK(class_ != nullptr) << "Class not found: " << class_name;
61 if (is_virtual) {
62 mid_ = env_->GetMethodID(class_, method, signature);
63 } else {
64 mid_ = env_->GetStaticMethodID(class_, method, signature);
65 }
66 CHECK(mid_ != nullptr) << "Method not found: " << class_name << "." << method << signature;
67 }
68
MakeAllExecutable(jobject class_loader)69 void MakeAllExecutable(jobject class_loader) {
70 const std::vector<const DexFile*> class_path = GetDexFiles(class_loader);
71 for (size_t i = 0; i != class_path.size(); ++i) {
72 const DexFile* dex_file = class_path[i];
73 CHECK(dex_file != nullptr);
74 MakeDexFileExecutable(class_loader, *dex_file);
75 }
76 }
77
MakeDexFileExecutable(jobject class_loader,const DexFile & dex_file)78 void MakeDexFileExecutable(jobject class_loader, const DexFile& dex_file) {
79 ClassLinker* class_linker = Runtime::Current()->GetClassLinker();
80 for (size_t i = 0; i < dex_file.NumClassDefs(); i++) {
81 const DexFile::ClassDef& class_def = dex_file.GetClassDef(i);
82 const char* descriptor = dex_file.GetClassDescriptor(class_def);
83 ScopedObjectAccess soa(Thread::Current());
84 StackHandleScope<1> hs(soa.Self());
85 Handle<mirror::ClassLoader> loader(
86 hs.NewHandle(soa.Decode<mirror::ClassLoader*>(class_loader)));
87 mirror::Class* c = class_linker->FindClass(soa.Self(), descriptor, loader);
88 CHECK(c != nullptr);
89 const auto pointer_size = class_linker->GetImagePointerSize();
90 for (auto& m : c->GetMethods(pointer_size)) {
91 MakeExecutable(&m);
92 }
93 }
94 }
95
96 JNIEnv* env_;
97 jclass class_;
98 jmethodID mid_;
99 };
100
101 // Disabled due to 10 second runtime on host
TEST_F(CompilerDriverTest,DISABLED_LARGE_CompileDexLibCore)102 TEST_F(CompilerDriverTest, DISABLED_LARGE_CompileDexLibCore) {
103 CompileAll(nullptr);
104
105 // All libcore references should resolve
106 ScopedObjectAccess soa(Thread::Current());
107 ASSERT_TRUE(java_lang_dex_file_ != nullptr);
108 const DexFile& dex = *java_lang_dex_file_;
109 mirror::DexCache* dex_cache = class_linker_->FindDexCache(soa.Self(), dex);
110 EXPECT_EQ(dex.NumStringIds(), dex_cache->NumStrings());
111 for (size_t i = 0; i < dex_cache->NumStrings(); i++) {
112 const mirror::String* string = dex_cache->GetResolvedString(i);
113 EXPECT_TRUE(string != nullptr) << "string_idx=" << i;
114 }
115 EXPECT_EQ(dex.NumTypeIds(), dex_cache->NumResolvedTypes());
116 for (size_t i = 0; i < dex_cache->NumResolvedTypes(); i++) {
117 mirror::Class* type = dex_cache->GetResolvedType(i);
118 EXPECT_TRUE(type != nullptr) << "type_idx=" << i
119 << " " << dex.GetTypeDescriptor(dex.GetTypeId(i));
120 }
121 EXPECT_EQ(dex.NumMethodIds(), dex_cache->NumResolvedMethods());
122 auto* cl = Runtime::Current()->GetClassLinker();
123 auto pointer_size = cl->GetImagePointerSize();
124 for (size_t i = 0; i < dex_cache->NumResolvedMethods(); i++) {
125 ArtMethod* method = dex_cache->GetResolvedMethod(i, pointer_size);
126 EXPECT_TRUE(method != nullptr) << "method_idx=" << i
127 << " " << dex.GetMethodDeclaringClassDescriptor(dex.GetMethodId(i))
128 << " " << dex.GetMethodName(dex.GetMethodId(i));
129 EXPECT_TRUE(method->GetEntryPointFromQuickCompiledCode() != nullptr) << "method_idx=" << i
130 << " " << dex.GetMethodDeclaringClassDescriptor(dex.GetMethodId(i)) << " "
131 << dex.GetMethodName(dex.GetMethodId(i));
132 }
133 EXPECT_EQ(dex.NumFieldIds(), dex_cache->NumResolvedFields());
134 for (size_t i = 0; i < dex_cache->NumResolvedFields(); i++) {
135 ArtField* field = cl->GetResolvedField(i, dex_cache);
136 EXPECT_TRUE(field != nullptr) << "field_idx=" << i
137 << " " << dex.GetFieldDeclaringClassDescriptor(dex.GetFieldId(i))
138 << " " << dex.GetFieldName(dex.GetFieldId(i));
139 }
140
141 // TODO check Class::IsVerified for all classes
142
143 // TODO: check that all Method::GetCode() values are non-null
144 }
145
TEST_F(CompilerDriverTest,AbstractMethodErrorStub)146 TEST_F(CompilerDriverTest, AbstractMethodErrorStub) {
147 TEST_DISABLED_FOR_READ_BARRIER_WITH_OPTIMIZING_FOR_UNSUPPORTED_INSTRUCTION_SETS();
148 jobject class_loader;
149 {
150 ScopedObjectAccess soa(Thread::Current());
151 class_loader = LoadDex("AbstractMethod");
152 }
153 ASSERT_TRUE(class_loader != nullptr);
154 EnsureCompiled(class_loader, "AbstractClass", "foo", "()V", true);
155
156 // Create a jobj_ of ConcreteClass, NOT AbstractClass.
157 jclass c_class = env_->FindClass("ConcreteClass");
158
159 jmethodID constructor = env_->GetMethodID(c_class, "<init>", "()V");
160
161 jobject jobj_ = env_->NewObject(c_class, constructor);
162 ASSERT_TRUE(jobj_ != nullptr);
163
164 // Force non-virtual call to AbstractClass foo, will throw AbstractMethodError exception.
165 env_->CallNonvirtualVoidMethod(jobj_, class_, mid_);
166
167 EXPECT_EQ(env_->ExceptionCheck(), JNI_TRUE);
168 jthrowable exception = env_->ExceptionOccurred();
169 env_->ExceptionClear();
170 jclass jlame = env_->FindClass("java/lang/AbstractMethodError");
171 EXPECT_TRUE(env_->IsInstanceOf(exception, jlame));
172 {
173 ScopedObjectAccess soa(Thread::Current());
174 Thread::Current()->ClearException();
175 }
176 }
177
178 class CompilerDriverMethodsTest : public CompilerDriverTest {
179 protected:
GetCompiledMethods()180 std::unordered_set<std::string>* GetCompiledMethods() OVERRIDE {
181 return new std::unordered_set<std::string>({
182 "byte StaticLeafMethods.identity(byte)",
183 "int StaticLeafMethods.sum(int, int, int)",
184 "double StaticLeafMethods.sum(double, double, double, double)"
185 });
186 }
187 };
188
TEST_F(CompilerDriverMethodsTest,Selection)189 TEST_F(CompilerDriverMethodsTest, Selection) {
190 TEST_DISABLED_FOR_READ_BARRIER_WITH_OPTIMIZING_FOR_UNSUPPORTED_INSTRUCTION_SETS();
191 Thread* self = Thread::Current();
192 jobject class_loader;
193 {
194 ScopedObjectAccess soa(self);
195 class_loader = LoadDex("StaticLeafMethods");
196 }
197 ASSERT_NE(class_loader, nullptr);
198
199 // Need to enable dex-file writability. Methods rejected to be compiled will run through the
200 // dex-to-dex compiler.
201 for (const DexFile* dex_file : GetDexFiles(class_loader)) {
202 ASSERT_TRUE(dex_file->EnableWrite());
203 }
204
205 CompileAll(class_loader);
206
207 ClassLinker* class_linker = Runtime::Current()->GetClassLinker();
208 ScopedObjectAccess soa(self);
209 StackHandleScope<1> hs(self);
210 Handle<mirror::ClassLoader> h_loader(hs.NewHandle(
211 reinterpret_cast<mirror::ClassLoader*>(self->DecodeJObject(class_loader))));
212 mirror::Class* klass = class_linker->FindClass(self, "LStaticLeafMethods;", h_loader);
213 ASSERT_NE(klass, nullptr);
214
215 std::unique_ptr<std::unordered_set<std::string>> expected(GetCompiledMethods());
216
217 const auto pointer_size = class_linker->GetImagePointerSize();
218 for (auto& m : klass->GetDirectMethods(pointer_size)) {
219 std::string name = PrettyMethod(&m, true);
220 const void* code = m.GetEntryPointFromQuickCompiledCodePtrSize(pointer_size);
221 ASSERT_NE(code, nullptr);
222 if (expected->find(name) != expected->end()) {
223 expected->erase(name);
224 EXPECT_FALSE(class_linker->IsQuickToInterpreterBridge(code));
225 } else {
226 EXPECT_TRUE(class_linker->IsQuickToInterpreterBridge(code));
227 }
228 }
229 EXPECT_TRUE(expected->empty());
230 }
231
232 class CompilerDriverProfileTest : public CompilerDriverTest {
233 protected:
GetProfileCompilationInfo()234 ProfileCompilationInfo* GetProfileCompilationInfo() OVERRIDE {
235 ScopedObjectAccess soa(Thread::Current());
236 std::vector<std::unique_ptr<const DexFile>> dex_files = OpenTestDexFiles("ProfileTestMultiDex");
237
238 ProfileCompilationInfo info;
239 for (const std::unique_ptr<const DexFile>& dex_file : dex_files) {
240 std::string key = ProfileCompilationInfo::GetProfileDexFileKey(dex_file->GetLocation());
241 profile_info_.AddMethodIndex(key, dex_file->GetLocationChecksum(), 1);
242 profile_info_.AddMethodIndex(key, dex_file->GetLocationChecksum(), 2);
243 }
244 return &profile_info_;
245 }
246
GetExpectedMethodsForClass(const std::string & clazz)247 std::unordered_set<std::string> GetExpectedMethodsForClass(const std::string& clazz) {
248 if (clazz == "Main") {
249 return std::unordered_set<std::string>({
250 "java.lang.String Main.getA()",
251 "java.lang.String Main.getB()"});
252 } else if (clazz == "Second") {
253 return std::unordered_set<std::string>({
254 "java.lang.String Second.getX()",
255 "java.lang.String Second.getY()"});
256 } else {
257 return std::unordered_set<std::string>();
258 }
259 }
260
CheckCompiledMethods(jobject class_loader,const std::string & clazz,const std::unordered_set<std::string> & expected_methods)261 void CheckCompiledMethods(jobject class_loader,
262 const std::string& clazz,
263 const std::unordered_set<std::string>& expected_methods) {
264 ClassLinker* class_linker = Runtime::Current()->GetClassLinker();
265 Thread* self = Thread::Current();
266 ScopedObjectAccess soa(self);
267 StackHandleScope<1> hs(self);
268 Handle<mirror::ClassLoader> h_loader(hs.NewHandle(
269 reinterpret_cast<mirror::ClassLoader*>(self->DecodeJObject(class_loader))));
270 mirror::Class* klass = class_linker->FindClass(self, clazz.c_str(), h_loader);
271 ASSERT_NE(klass, nullptr);
272
273 const auto pointer_size = class_linker->GetImagePointerSize();
274 size_t number_of_compiled_methods = 0;
275 for (auto& m : klass->GetVirtualMethods(pointer_size)) {
276 std::string name = PrettyMethod(&m, true);
277 const void* code = m.GetEntryPointFromQuickCompiledCodePtrSize(pointer_size);
278 ASSERT_NE(code, nullptr);
279 if (expected_methods.find(name) != expected_methods.end()) {
280 number_of_compiled_methods++;
281 EXPECT_FALSE(class_linker->IsQuickToInterpreterBridge(code));
282 } else {
283 EXPECT_TRUE(class_linker->IsQuickToInterpreterBridge(code));
284 }
285 }
286 EXPECT_EQ(expected_methods.size(), number_of_compiled_methods);
287 }
288
289 private:
290 ProfileCompilationInfo profile_info_;
291 };
292
TEST_F(CompilerDriverProfileTest,ProfileGuidedCompilation)293 TEST_F(CompilerDriverProfileTest, ProfileGuidedCompilation) {
294 TEST_DISABLED_FOR_READ_BARRIER_WITH_OPTIMIZING_FOR_UNSUPPORTED_INSTRUCTION_SETS();
295 Thread* self = Thread::Current();
296 jobject class_loader;
297 {
298 ScopedObjectAccess soa(self);
299 class_loader = LoadDex("ProfileTestMultiDex");
300 }
301 ASSERT_NE(class_loader, nullptr);
302
303 // Need to enable dex-file writability. Methods rejected to be compiled will run through the
304 // dex-to-dex compiler.
305 ProfileCompilationInfo info;
306 for (const DexFile* dex_file : GetDexFiles(class_loader)) {
307 ASSERT_TRUE(dex_file->EnableWrite());
308 }
309
310 CompileAll(class_loader);
311
312 std::unordered_set<std::string> m = GetExpectedMethodsForClass("Main");
313 std::unordered_set<std::string> s = GetExpectedMethodsForClass("Second");
314 CheckCompiledMethods(class_loader, "LMain;", m);
315 CheckCompiledMethods(class_loader, "LSecond;", s);
316 }
317
318 // TODO: need check-cast test (when stub complete & we can throw/catch
319
320 } // namespace art
321