compiler_driver_test.cc revision 8b233fc3c50e3c1785b445582502ecb9a7e983eb 
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
37namespace art {
38
39class CompilerDriverTest : public CommonCompilerTest {
40 protected:
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
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
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
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
102TEST_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
146TEST_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
178class CompilerDriverMethodsTest : public CompilerDriverTest {
179 protected:
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
189TEST_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
232class CompilerDriverProfileTest : public CompilerDriverTest {
233 protected:
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
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
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
293TEST_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