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 #ifndef ART_RUNTIME_COMMON_RUNTIME_TEST_H_
18 #define ART_RUNTIME_COMMON_RUNTIME_TEST_H_
19 
20 #include <gtest/gtest.h>
21 #include <jni.h>
22 
23 #include <functional>
24 #include <string>
25 
26 #include <android-base/logging.h>
27 
28 #include "arch/instruction_set.h"
29 #include "base/common_art_test.h"
30 #include "base/locks.h"
31 #include "base/os.h"
32 #include "base/unix_file/fd_file.h"
33 #include "dex/art_dex_file_loader.h"
34 #include "dex/compact_dex_level.h"
35 // TODO: Add inl file and avoid including inl.
36 #include "obj_ptr-inl.h"
37 #include "runtime_globals.h"
38 #include "scoped_thread_state_change-inl.h"
39 
40 namespace art {
41 
42 class MethodReference;
43 class TypeReference;
44 
45 using LogSeverity = android::base::LogSeverity;
46 using ScopedLogSeverity = android::base::ScopedLogSeverity;
47 
48 template<class MirrorType>
MakeObjPtr(MirrorType * ptr)49 static inline ObjPtr<MirrorType> MakeObjPtr(MirrorType* ptr) {
50   return ptr;
51 }
52 
53 template<class MirrorType>
MakeObjPtr(ObjPtr<MirrorType> ptr)54 static inline ObjPtr<MirrorType> MakeObjPtr(ObjPtr<MirrorType> ptr) {
55   return ptr;
56 }
57 
58 // OBJ pointer helpers to avoid needing .Decode everywhere.
59 #define EXPECT_OBJ_PTR_EQ(a, b) EXPECT_EQ(MakeObjPtr(a).Ptr(), MakeObjPtr(b).Ptr())
60 #define ASSERT_OBJ_PTR_EQ(a, b) ASSERT_EQ(MakeObjPtr(a).Ptr(), MakeObjPtr(b).Ptr())
61 #define EXPECT_OBJ_PTR_NE(a, b) EXPECT_NE(MakeObjPtr(a).Ptr(), MakeObjPtr(b).Ptr())
62 #define ASSERT_OBJ_PTR_NE(a, b) ASSERT_NE(MakeObjPtr(a).Ptr(), MakeObjPtr(b).Ptr())
63 
64 class ClassLinker;
65 class CompilerCallbacks;
66 class DexFile;
67 class JavaVMExt;
68 class Runtime;
69 typedef std::vector<std::pair<std::string, const void*>> RuntimeOptions;
70 class Thread;
71 class VariableSizedHandleScope;
72 
73 class CommonRuntimeTestImpl : public CommonArtTestImpl {
74  public:
75   CommonRuntimeTestImpl();
76   virtual ~CommonRuntimeTestImpl();
77 
78   static std::string GetAndroidTargetToolsDir(InstructionSet isa);
79 
80   // A helper function to fill the heap.
81   static void FillHeap(Thread* self,
82                        ClassLinker* class_linker,
83                        VariableSizedHandleScope* handle_scope)
84       REQUIRES_SHARED(Locks::mutator_lock_);
85   // A helper to set up a small heap (4M) to make FillHeap faster.
86   static void SetUpRuntimeOptionsForFillHeap(RuntimeOptions *options);
87 
88   template <typename Mutator>
MutateDexFile(File * output_dex,const std::string & input_jar,const Mutator & mutator)89   bool MutateDexFile(File* output_dex, const std::string& input_jar, const Mutator& mutator) {
90     std::vector<std::unique_ptr<const DexFile>> dex_files;
91     std::string error_msg;
92     const ArtDexFileLoader dex_file_loader;
93     CHECK(dex_file_loader.Open(input_jar.c_str(),
94                                input_jar.c_str(),
95                                /*verify=*/ true,
96                                /*verify_checksum=*/ true,
97                                &error_msg,
98                                &dex_files)) << error_msg;
99     EXPECT_EQ(dex_files.size(), 1u) << "Only one input dex is supported";
100     const std::unique_ptr<const DexFile>& dex = dex_files[0];
101     CHECK(dex->EnableWrite()) << "Failed to enable write";
102     DexFile* dex_file = const_cast<DexFile*>(dex.get());
103     mutator(dex_file);
104     const_cast<DexFile::Header&>(dex_file->GetHeader()).checksum_ = dex_file->CalculateChecksum();
105     if (!output_dex->WriteFully(dex->Begin(), dex->Size())) {
106       return false;
107     }
108     if (output_dex->Flush() != 0) {
109       PLOG(FATAL) << "Could not flush the output file.";
110     }
111     return true;
112   }
113 
114   void MakeInterpreted(ObjPtr<mirror::Class> klass)
115       REQUIRES_SHARED(Locks::mutator_lock_);
116 
117   bool StartDex2OatCommandLine(/*out*/std::vector<std::string>* argv,
118                                /*out*/std::string* error_msg,
119                                bool use_runtime_bcp_and_image = true);
120 
121   bool CompileBootImage(const std::vector<std::string>& extra_args,
122                         const std::string& image_file_name_prefix,
123                         ArrayRef<const std::string> dex_files,
124                         ArrayRef<const std::string> dex_locations,
125                         std::string* error_msg,
126                         const std::string& use_fd_prefix = "");
127 
128   bool CompileBootImage(const std::vector<std::string>& extra_args,
129                         const std::string& image_file_name_prefix,
130                         ArrayRef<const std::string> dex_files,
131                         std::string* error_msg,
132                         const std::string& use_fd_prefix = "") {
133     return CompileBootImage(
134         extra_args, image_file_name_prefix, dex_files, dex_files, error_msg, use_fd_prefix);
135   }
136 
137   bool RunDex2Oat(const std::vector<std::string>& args, std::string* error_msg);
138 
139  protected:
140   // Allow subclases such as CommonCompilerTest to add extra options.
SetUpRuntimeOptions(RuntimeOptions * options ATTRIBUTE_UNUSED)141   virtual void SetUpRuntimeOptions(RuntimeOptions* options ATTRIBUTE_UNUSED) {}
142 
143   // Called before the runtime is created.
PreRuntimeCreate()144   virtual void PreRuntimeCreate() {}
145 
146   // Called after the runtime is created.
PostRuntimeCreate()147   virtual void PostRuntimeCreate() {}
148 
149   // Loads the test dex file identified by the given dex_name into a PathClassLoader.
150   // Returns the created class loader.
151   jobject LoadDex(const char* dex_name) REQUIRES_SHARED(Locks::mutator_lock_);
152   // Loads the test dex file identified by the given first_dex_name and second_dex_name
153   // into a PathClassLoader. Returns the created class loader.
154   jobject LoadMultiDex(const char* first_dex_name, const char* second_dex_name)
155       REQUIRES_SHARED(Locks::mutator_lock_);
156 
157   jobject LoadDexInPathClassLoader(const std::string& dex_name,
158                                    jobject parent_loader,
159                                    jobject shared_libraries = nullptr);
160   jobject LoadDexInPathClassLoader(const std::vector<std::string>& dex_names,
161                                    jobject parent_loader,
162                                    jobject shared_libraries = nullptr);
163   jobject LoadDexInDelegateLastClassLoader(const std::string& dex_name, jobject parent_loader);
164   jobject LoadDexInInMemoryDexClassLoader(const std::string& dex_name, jobject parent_loader);
165   jobject LoadDexInWellKnownClassLoader(const std::vector<std::string>& dex_names,
166                                         jclass loader_class,
167                                         jobject parent_loader,
168                                         jobject shared_libraries = nullptr);
169 
170   void VisitDexes(ArrayRef<const std::string> dexes,
171                   const std::function<void(MethodReference)>& method_visitor,
172                   const std::function<void(TypeReference)>& class_visitor,
173                   size_t method_frequency = 1u,
174                   size_t class_frequency = 1u);
175 
176   void GenerateProfile(ArrayRef<const std::string> dexes,
177                        File* out_file,
178                        size_t method_frequency = 1u,
179                        size_t type_frequency = 1u);
180 
181   std::unique_ptr<Runtime> runtime_;
182 
183   // The class_linker_, java_lang_dex_file_, and boot_class_path_ are all
184   // owned by the runtime.
185   ClassLinker* class_linker_;
186   const DexFile* java_lang_dex_file_;
187   std::vector<const DexFile*> boot_class_path_;
188 
189   // Get the dex files from a PathClassLoader or DelegateLastClassLoader.
190   // This only looks into the current class loader and does not recurse into the parents.
191   std::vector<const DexFile*> GetDexFiles(jobject jclass_loader);
192   std::vector<const DexFile*> GetDexFiles(ScopedObjectAccess& soa,
193                                           Handle<mirror::ClassLoader> class_loader)
194     REQUIRES_SHARED(Locks::mutator_lock_);
195 
196   // Get the first dex file from a PathClassLoader. Will abort if it is null.
197   const DexFile* GetFirstDexFile(jobject jclass_loader);
198 
199   std::unique_ptr<CompilerCallbacks> callbacks_;
200 
201   virtual void SetUp();
202 
203   virtual void TearDown();
204 
205   // Called to finish up runtime creation and filling test fields. By default runs root
206   // initializers, initialize well-known classes, and creates the heap thread pool.
207   virtual void FinalizeSetup();
208 
209   // Returns the directory where the pre-compiled core.art can be found.
210   static std::string GetImageDirectory();
211   static std::string GetImageLocation();
212   static std::string GetSystemImageFile();
213 
214   static void EnterTransactionMode();
215   static void ExitTransactionMode();
216   static void RollbackAndExitTransactionMode() REQUIRES_SHARED(Locks::mutator_lock_);
217   static bool IsTransactionAborted();
218 };
219 
220 template <typename TestType>
221 class CommonRuntimeTestBase : public TestType, public CommonRuntimeTestImpl {
222  public:
CommonRuntimeTestBase()223   CommonRuntimeTestBase() {}
~CommonRuntimeTestBase()224   virtual ~CommonRuntimeTestBase() {}
225 
226  protected:
SetUp()227   void SetUp() override {
228     CommonRuntimeTestImpl::SetUp();
229   }
230 
TearDown()231   void TearDown() override {
232     CommonRuntimeTestImpl::TearDown();
233   }
234 };
235 
236 using CommonRuntimeTest = CommonRuntimeTestBase<testing::Test>;
237 
238 template <typename Param>
239 using CommonRuntimeTestWithParam = CommonRuntimeTestBase<testing::TestWithParam<Param>>;
240 
241 // Sets a CheckJni abort hook to catch failures. Note that this will cause CheckJNI to carry on
242 // rather than aborting, so be careful!
243 class CheckJniAbortCatcher {
244  public:
245   CheckJniAbortCatcher();
246 
247   ~CheckJniAbortCatcher();
248 
249   void Check(const std::string& expected_text);
250   void Check(const char* expected_text);
251 
252  private:
253   static void Hook(void* data, const std::string& reason);
254 
255   JavaVMExt* const vm_;
256   std::string actual_;
257 
258   DISALLOW_COPY_AND_ASSIGN(CheckJniAbortCatcher);
259 };
260 
261 #define TEST_DISABLED() \
262   do { \
263     printf("WARNING: TEST DISABLED\n"); \
264     return; \
265   } while (false)
266 
267 #define TEST_DISABLED_FOR_ARM() \
268   if (kRuntimeISA == InstructionSet::kArm || kRuntimeISA == InstructionSet::kThumb2) { \
269     printf("WARNING: TEST DISABLED FOR ARM\n"); \
270     return; \
271   }
272 
273 #define TEST_DISABLED_FOR_ARM64() \
274   if (kRuntimeISA == InstructionSet::kArm64) { \
275     printf("WARNING: TEST DISABLED FOR ARM64\n"); \
276     return; \
277   }
278 
279 #define TEST_DISABLED_FOR_X86() \
280   if (kRuntimeISA == InstructionSet::kX86) { \
281     printf("WARNING: TEST DISABLED FOR X86\n"); \
282     return; \
283   }
284 
285 #define TEST_DISABLED_FOR_X86_64() \
286   if (kRuntimeISA == InstructionSet::kX86_64) { \
287     printf("WARNING: TEST DISABLED FOR X86_64\n"); \
288     return; \
289   }
290 
291 #define TEST_DISABLED_FOR_STRING_COMPRESSION() \
292   if (mirror::kUseStringCompression) { \
293     printf("WARNING: TEST DISABLED FOR STRING COMPRESSION\n"); \
294     return; \
295   }
296 
297 #define TEST_DISABLED_WITHOUT_BAKER_READ_BARRIERS() \
298   if (!kEmitCompilerReadBarrier || !kUseBakerReadBarrier) { \
299     printf("WARNING: TEST DISABLED FOR GC WITHOUT BAKER READ BARRIER\n"); \
300     return; \
301   }
302 
303 #define TEST_DISABLED_FOR_HEAP_POISONING() \
304   if (kPoisonHeapReferences) { \
305     printf("WARNING: TEST DISABLED FOR HEAP POISONING\n"); \
306     return; \
307   }
308 
309 #define TEST_DISABLED_FOR_MEMORY_TOOL_WITH_HEAP_POISONING_WITHOUT_READ_BARRIERS() \
310   if (kRunningOnMemoryTool && kPoisonHeapReferences && !kEmitCompilerReadBarrier) { \
311     printf("WARNING: TEST DISABLED FOR MEMORY TOOL WITH HEAP POISONING WITHOUT READ BARRIERS\n"); \
312     return; \
313   }
314 
315 #define TEST_DISABLED_FOR_KERNELS_WITH_CACHE_SEGFAULT() \
316   if (CacheOperationsMaySegFault()) { \
317     printf("WARNING: TEST DISABLED ON KERNEL THAT SEGFAULT ON CACHE OPERATIONS\n"); \
318     return; \
319   }
320 
321 }  // namespace art
322 
323 #endif  // ART_RUNTIME_COMMON_RUNTIME_TEST_H_
324