compiler_driver_test.cc revision 31708b736a2d75a9eb21f51038a7703f84f95f31 
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, DISABLED_AbstractMethodErrorStub) {
147  TEST_DISABLED_FOR_HEAP_REFERENCE_POISONING_WITH_QUICK();
148  TEST_DISABLED_FOR_READ_BARRIER_WITH_QUICK();
149  TEST_DISABLED_FOR_READ_BARRIER_WITH_OPTIMIZING_FOR_UNSUPPORTED_INSTRUCTION_SETS();
150  jobject class_loader;
151  {
152    ScopedObjectAccess soa(Thread::Current());
153    CompileVirtualMethod(ScopedNullHandle<mirror::ClassLoader>(),
154                         "java.lang.Class",
155                         "isFinalizable",
156                         "()Z");
157    CompileDirectMethod(ScopedNullHandle<mirror::ClassLoader>(),
158                        "java.lang.Object",
159                        "<init>",
160                        "()V");
161    class_loader = LoadDex("AbstractMethod");
162  }
163  ASSERT_TRUE(class_loader != nullptr);
164  EnsureCompiled(class_loader, "AbstractClass", "foo", "()V", true);
165
166  // Create a jobj_ of ConcreteClass, NOT AbstractClass.
167  jclass c_class = env_->FindClass("ConcreteClass");
168
169  jmethodID constructor = env_->GetMethodID(c_class, "<init>", "()V");
170
171  jobject jobj_ = env_->NewObject(c_class, constructor);
172  ASSERT_TRUE(jobj_ != nullptr);
173
174  // Force non-virtual call to AbstractClass foo, will throw AbstractMethodError exception.
175  env_->CallNonvirtualVoidMethod(jobj_, class_, mid_);
176
177  EXPECT_EQ(env_->ExceptionCheck(), JNI_TRUE);
178  jthrowable exception = env_->ExceptionOccurred();
179  env_->ExceptionClear();
180  jclass jlame = env_->FindClass("java/lang/AbstractMethodError");
181  EXPECT_TRUE(env_->IsInstanceOf(exception, jlame));
182  {
183    ScopedObjectAccess soa(Thread::Current());
184    Thread::Current()->ClearException();
185  }
186}
187
188class CompilerDriverMethodsTest : public CompilerDriverTest {
189 protected:
190  std::unordered_set<std::string>* GetCompiledMethods() OVERRIDE {
191    return new std::unordered_set<std::string>({
192      "byte StaticLeafMethods.identity(byte)",
193      "int StaticLeafMethods.sum(int, int, int)",
194      "double StaticLeafMethods.sum(double, double, double, double)"
195    });
196  }
197};
198
199TEST_F(CompilerDriverMethodsTest, Selection) {
200  TEST_DISABLED_FOR_HEAP_REFERENCE_POISONING_WITH_QUICK();
201  TEST_DISABLED_FOR_READ_BARRIER_WITH_QUICK();
202  TEST_DISABLED_FOR_READ_BARRIER_WITH_OPTIMIZING_FOR_UNSUPPORTED_INSTRUCTION_SETS();
203  Thread* self = Thread::Current();
204  jobject class_loader;
205  {
206    ScopedObjectAccess soa(self);
207    class_loader = LoadDex("StaticLeafMethods");
208  }
209  ASSERT_NE(class_loader, nullptr);
210
211  // Need to enable dex-file writability. Methods rejected to be compiled will run through the
212  // dex-to-dex compiler.
213  for (const DexFile* dex_file : GetDexFiles(class_loader)) {
214    ASSERT_TRUE(dex_file->EnableWrite());
215  }
216
217  CompileAll(class_loader);
218
219  ClassLinker* class_linker = Runtime::Current()->GetClassLinker();
220  ScopedObjectAccess soa(self);
221  StackHandleScope<1> hs(self);
222  Handle<mirror::ClassLoader> h_loader(hs.NewHandle(
223      reinterpret_cast<mirror::ClassLoader*>(self->DecodeJObject(class_loader))));
224  mirror::Class* klass = class_linker->FindClass(self, "LStaticLeafMethods;", h_loader);
225  ASSERT_NE(klass, nullptr);
226
227  std::unique_ptr<std::unordered_set<std::string>> expected(GetCompiledMethods());
228
229  const auto pointer_size = class_linker->GetImagePointerSize();
230  for (auto& m : klass->GetDirectMethods(pointer_size)) {
231    std::string name = PrettyMethod(&m, true);
232    const void* code = m.GetEntryPointFromQuickCompiledCodePtrSize(pointer_size);
233    ASSERT_NE(code, nullptr);
234    if (expected->find(name) != expected->end()) {
235      expected->erase(name);
236      EXPECT_FALSE(class_linker->IsQuickToInterpreterBridge(code));
237    } else {
238      EXPECT_TRUE(class_linker->IsQuickToInterpreterBridge(code));
239    }
240  }
241  EXPECT_TRUE(expected->empty());
242}
243
244class CompilerDriverProfileTest : public CompilerDriverTest {
245 protected:
246  ProfileCompilationInfo* GetProfileCompilationInfo() OVERRIDE {
247    ScopedObjectAccess soa(Thread::Current());
248    std::vector<std::unique_ptr<const DexFile>> dex_files = OpenTestDexFiles("ProfileTestMultiDex");
249
250    ProfileCompilationInfo info;
251    for (const std::unique_ptr<const DexFile>& dex_file : dex_files) {
252      std::string key = ProfileCompilationInfo::GetProfileDexFileKey(dex_file->GetLocation());
253      profile_info_.AddData(key, dex_file->GetLocationChecksum(), 1);
254      profile_info_.AddData(key, dex_file->GetLocationChecksum(), 2);
255    }
256    return &profile_info_;
257  }
258
259  std::unordered_set<std::string> GetExpectedMethodsForClass(const std::string& clazz) {
260    if (clazz == "Main") {
261      return std::unordered_set<std::string>({
262          "java.lang.String Main.getA()",
263          "java.lang.String Main.getB()"});
264    } else if (clazz == "Second") {
265      return std::unordered_set<std::string>({
266          "java.lang.String Second.getX()",
267          "java.lang.String Second.getY()"});
268    } else {
269      return std::unordered_set<std::string>();
270    }
271  }
272
273  void CheckCompiledMethods(jobject class_loader,
274                            const std::string& clazz,
275                            const std::unordered_set<std::string>& expected_methods) {
276    ClassLinker* class_linker = Runtime::Current()->GetClassLinker();
277    Thread* self = Thread::Current();
278    ScopedObjectAccess soa(self);
279    StackHandleScope<1> hs(self);
280    Handle<mirror::ClassLoader> h_loader(hs.NewHandle(
281        reinterpret_cast<mirror::ClassLoader*>(self->DecodeJObject(class_loader))));
282    mirror::Class* klass = class_linker->FindClass(self, clazz.c_str(), h_loader);
283    ASSERT_NE(klass, nullptr);
284
285    const auto pointer_size = class_linker->GetImagePointerSize();
286    size_t number_of_compiled_methods = 0;
287    for (auto& m : klass->GetVirtualMethods(pointer_size)) {
288      std::string name = PrettyMethod(&m, true);
289      const void* code = m.GetEntryPointFromQuickCompiledCodePtrSize(pointer_size);
290      ASSERT_NE(code, nullptr);
291      if (expected_methods.find(name) != expected_methods.end()) {
292        number_of_compiled_methods++;
293        EXPECT_FALSE(class_linker->IsQuickToInterpreterBridge(code));
294      } else {
295        EXPECT_TRUE(class_linker->IsQuickToInterpreterBridge(code));
296      }
297    }
298    EXPECT_EQ(expected_methods.size(), number_of_compiled_methods);
299  }
300
301 private:
302  ProfileCompilationInfo profile_info_;
303};
304
305TEST_F(CompilerDriverProfileTest, ProfileGuidedCompilation) {
306  TEST_DISABLED_FOR_HEAP_REFERENCE_POISONING_WITH_QUICK();
307  TEST_DISABLED_FOR_READ_BARRIER_WITH_QUICK();
308  TEST_DISABLED_FOR_READ_BARRIER_WITH_OPTIMIZING_FOR_UNSUPPORTED_INSTRUCTION_SETS();
309  Thread* self = Thread::Current();
310  jobject class_loader;
311  {
312    ScopedObjectAccess soa(self);
313    class_loader = LoadDex("ProfileTestMultiDex");
314  }
315  ASSERT_NE(class_loader, nullptr);
316
317  // Need to enable dex-file writability. Methods rejected to be compiled will run through the
318  // dex-to-dex compiler.
319  ProfileCompilationInfo info;
320  for (const DexFile* dex_file : GetDexFiles(class_loader)) {
321    ASSERT_TRUE(dex_file->EnableWrite());
322  }
323
324  CompileAll(class_loader);
325
326  std::unordered_set<std::string> m = GetExpectedMethodsForClass("Main");
327  std::unordered_set<std::string> s = GetExpectedMethodsForClass("Second");
328  CheckCompiledMethods(class_loader, "LMain;", m);
329  CheckCompiledMethods(class_loader, "LSecond;", s);
330}
331
332// TODO: need check-cast test (when stub complete & we can throw/catch
333
334}  // namespace art
335