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/macros.h"
32 #include "base/os.h"
33 #include "base/unix_file/fd_file.h"
34 #include "dex/art_dex_file_loader.h"
35 #include "dex/compact_dex_level.h"
36 // TODO: Add inl file and avoid including inl.
37 #include "obj_ptr-inl.h"
38 #include "runtime_globals.h"
39 #include "scoped_thread_state_change-inl.h"
40 
41 namespace art HIDDEN {
42 
43 class MethodReference;
44 class TypeReference;
45 
46 using LogSeverity = android::base::LogSeverity;
47 using ScopedLogSeverity = android::base::ScopedLogSeverity;
48 
49 template<class MirrorType>
MakeObjPtr(MirrorType * ptr)50 static inline ObjPtr<MirrorType> MakeObjPtr(MirrorType* ptr) REQUIRES_SHARED(Locks::mutator_lock_) {
51   return ptr;
52 }
53 
54 template<class MirrorType>
MakeObjPtr(ObjPtr<MirrorType> ptr)55 static inline ObjPtr<MirrorType> MakeObjPtr(ObjPtr<MirrorType> ptr)
56     REQUIRES_SHARED(Locks::mutator_lock_) {
57   return ptr;
58 }
59 
60 // OBJ pointer helpers to avoid needing .Decode everywhere.
61 #define EXPECT_OBJ_PTR_EQ(a, b) EXPECT_EQ(MakeObjPtr(a).Ptr(), MakeObjPtr(b).Ptr())
62 #define ASSERT_OBJ_PTR_EQ(a, b) ASSERT_EQ(MakeObjPtr(a).Ptr(), MakeObjPtr(b).Ptr())
63 #define EXPECT_OBJ_PTR_NE(a, b) EXPECT_NE(MakeObjPtr(a).Ptr(), MakeObjPtr(b).Ptr())
64 #define ASSERT_OBJ_PTR_NE(a, b) ASSERT_NE(MakeObjPtr(a).Ptr(), MakeObjPtr(b).Ptr())
65 
66 class ClassLinker;
67 class CompilerCallbacks;
68 class DexFile;
69 class JavaVMExt;
70 class Runtime;
71 using RuntimeOptions = std::vector<std::pair<std::string, const void*>>;
72 class Thread;
73 class VariableSizedHandleScope;
74 
75 class CommonRuntimeTestImpl : public CommonArtTestImpl {
76  public:
77   CommonRuntimeTestImpl();
78   virtual ~CommonRuntimeTestImpl();
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     ArtDexFileLoader dex_file_loader(input_jar);
93     CHECK(dex_file_loader.Open(/*verify=*/true,
94                                /*verify_checksum=*/true,
95                                &error_msg,
96                                &dex_files))
97         << error_msg;
98     EXPECT_EQ(dex_files.size(), 1u) << "Only one input dex is supported";
99     const std::unique_ptr<const DexFile>& dex = dex_files[0];
100     CHECK(dex->EnableWrite()) << "Failed to enable write";
101     DexFile* dex_file = const_cast<DexFile*>(dex.get());
102     mutator(dex_file);
103     const_cast<DexFile::Header&>(dex_file->GetHeader()).checksum_ = dex_file->CalculateChecksum();
104     if (!output_dex->WriteFully(dex->Begin(), dex->Size())) {
105       return false;
106     }
107     if (output_dex->Flush() != 0) {
108       PLOG(FATAL) << "Could not flush the output file.";
109     }
110     return true;
111   }
112 
113   void MakeInterpreted(ObjPtr<mirror::Class> klass)
114       REQUIRES_SHARED(Locks::mutator_lock_);
115 
116   bool StartDex2OatCommandLine(/*out*/std::vector<std::string>* argv,
117                                /*out*/std::string* error_msg,
118                                bool use_runtime_bcp_and_image = true);
119 
120   bool CompileBootImage(const std::vector<std::string>& extra_args,
121                         const std::string& image_file_name_prefix,
122                         ArrayRef<const std::string> dex_files,
123                         ArrayRef<const std::string> dex_locations,
124                         std::string* error_msg,
125                         const std::string& use_fd_prefix = "");
126 
127   bool CompileBootImage(const std::vector<std::string>& extra_args,
128                         const std::string& image_file_name_prefix,
129                         ArrayRef<const std::string> dex_files,
130                         std::string* error_msg,
131                         const std::string& use_fd_prefix = "") {
132     return CompileBootImage(
133         extra_args, image_file_name_prefix, dex_files, dex_files, error_msg, use_fd_prefix);
134   }
135 
136   bool RunDex2Oat(const std::vector<std::string>& args, std::string* error_msg);
137 
138  protected:
139   // Allow subclases such as CommonCompilerTest to add extra options.
SetUpRuntimeOptions(RuntimeOptions * options)140   virtual void SetUpRuntimeOptions([[maybe_unused]] RuntimeOptions* options) {}
141 
142   // Called before the runtime is created.
PreRuntimeCreate()143   virtual void PreRuntimeCreate() {}
144 
145   // Called after the runtime is created.
PostRuntimeCreate()146   virtual void PostRuntimeCreate() {}
147 
148   // Loads the test dex file identified by the given dex_name into a PathClassLoader.
149   // Returns the created class loader.
150   jobject LoadDex(const char* dex_name) REQUIRES_SHARED(Locks::mutator_lock_);
151   // Loads the test dex file identified by the given first_dex_name and second_dex_name
152   // into a PathClassLoader. Returns the created class loader.
153   jobject LoadMultiDex(const char* first_dex_name, const char* second_dex_name)
154       REQUIRES_SHARED(Locks::mutator_lock_);
155 
156   // The following helper functions return global JNI references to the class loader.
157   jobject LoadDexInPathClassLoader(const std::string& dex_name,
158                                    jobject parent_loader,
159                                    jobject shared_libraries = nullptr,
160                                    jobject shared_libraries_after = nullptr);
161   jobject LoadDexInPathClassLoader(const std::vector<std::string>& dex_names,
162                                    jobject parent_loader,
163                                    jobject shared_libraries = nullptr,
164                                    jobject shared_libraries_after = nullptr);
165   jobject LoadDexInDelegateLastClassLoader(const std::string& dex_name, jobject parent_loader);
166   jobject LoadDexInInMemoryDexClassLoader(const std::string& dex_name, jobject parent_loader);
167   jobject LoadDexInWellKnownClassLoader(ScopedObjectAccess& soa,
168                                         const std::vector<std::string>& dex_names,
169                                         ObjPtr<mirror::Class> loader_class,
170                                         jobject parent_loader,
171                                         jobject shared_libraries = nullptr,
172                                         jobject shared_libraries_after = nullptr)
173       REQUIRES_SHARED(Locks::mutator_lock_);
174 
175   void VisitDexes(ArrayRef<const std::string> dexes,
176                   const std::function<void(MethodReference)>& method_visitor,
177                   const std::function<void(TypeReference)>& class_visitor,
178                   size_t method_frequency = 1u,
179                   size_t class_frequency = 1u);
180 
181   void GenerateProfile(ArrayRef<const std::string> dexes,
182                        File* out_file,
183                        size_t method_frequency = 1u,
184                        size_t type_frequency = 1u,
185                        bool for_boot_image = false);
186   void GenerateBootProfile(ArrayRef<const std::string> dexes,
187                            File* out_file,
188                            size_t method_frequency = 1u,
189                            size_t type_frequency = 1u) {
190     return GenerateProfile(
191         dexes, out_file, method_frequency, type_frequency, /*for_boot_image=*/ true);
192   }
193 
194   std::unique_ptr<Runtime> runtime_;
195 
196   // The class_linker_, java_lang_dex_file_, and boot_class_path_ are all
197   // owned by the runtime.
198   ClassLinker* class_linker_;
199   const DexFile* java_lang_dex_file_;
200   std::vector<const DexFile*> boot_class_path_;
201 
202   // Get the dex files from a PathClassLoader or DelegateLastClassLoader.
203   // This only looks into the current class loader and does not recurse into the parents.
204   std::vector<const DexFile*> GetDexFiles(jobject jclass_loader);
205   std::vector<const DexFile*> GetDexFiles(Thread* self, Handle<mirror::ClassLoader> class_loader)
206     REQUIRES_SHARED(Locks::mutator_lock_);
207 
208   // Get the first dex file from a PathClassLoader. Will abort if it is null.
209   const DexFile* GetFirstDexFile(jobject jclass_loader);
210 
211   std::unique_ptr<CompilerCallbacks> callbacks_;
212 
213   bool use_boot_image_;
214 
215   virtual void SetUp();
216 
217   virtual void TearDown();
218 
219   // Called to finish up runtime creation and filling test fields. By default runs root
220   // initializers, initialize well-known classes, and creates the heap thread pool.
221   virtual void FinalizeSetup();
222 
223   // Returns the directory where the pre-compiled boot.art can be found.
224   static std::string GetImageLocation();
225   static std::string GetSystemImageFile();
226 };
227 
228 template <typename TestType>
229 class CommonRuntimeTestBase : public TestType, public CommonRuntimeTestImpl {
230  public:
CommonRuntimeTestBase()231   CommonRuntimeTestBase() {}
~CommonRuntimeTestBase()232   virtual ~CommonRuntimeTestBase() {}
233 
234  protected:
SetUp()235   void SetUp() override {
236     CommonRuntimeTestImpl::SetUp();
237   }
238 
TearDown()239   void TearDown() override {
240     CommonRuntimeTestImpl::TearDown();
241   }
242 };
243 
244 using CommonRuntimeTest = CommonRuntimeTestBase<testing::Test>;
245 
246 template <typename Param>
247 using CommonRuntimeTestWithParam = CommonRuntimeTestBase<testing::TestWithParam<Param>>;
248 
249 // Sets a CheckJni abort hook to catch failures. Note that this will cause CheckJNI to carry on
250 // rather than aborting, so be careful!
251 class CheckJniAbortCatcher {
252  public:
253   CheckJniAbortCatcher();
254 
255   ~CheckJniAbortCatcher();
256 
257   void Check(const std::string& expected_text);
258   void Check(const char* expected_text);
259 
260  private:
261   static void Hook(void* data, const std::string& reason);
262 
263   JavaVMExt* const vm_;
264   std::string actual_;
265 
266   DISALLOW_COPY_AND_ASSIGN(CheckJniAbortCatcher);
267 };
268 
269 #define TEST_DISABLED() GTEST_SKIP() << "WARNING: TEST DISABLED";
270 
271 #define TEST_DISABLED_FOR_ARM()                                                        \
272   if (kRuntimeISA == InstructionSet::kArm || kRuntimeISA == InstructionSet::kThumb2) { \
273     GTEST_SKIP() << "WARNING: TEST DISABLED FOR ARM";                                  \
274   }
275 
276 #define TEST_DISABLED_FOR_ARM64()                       \
277   if (kRuntimeISA == InstructionSet::kArm64) {          \
278     GTEST_SKIP() << "WARNING: TEST DISABLED FOR ARM64"; \
279   }
280 
281 #define TEST_DISABLED_FOR_RISCV64()                       \
282   if (kRuntimeISA == InstructionSet::kRiscv64) {          \
283     GTEST_SKIP() << "WARNING: TEST DISABLED FOR RISCV64"; \
284   }
285 
286 #define TEST_DISABLED_FOR_X86()                       \
287   if (kRuntimeISA == InstructionSet::kX86) {          \
288     GTEST_SKIP() << "WARNING: TEST DISABLED FOR X86"; \
289   }
290 
291 #define TEST_DISABLED_FOR_X86_64()                       \
292   if (kRuntimeISA == InstructionSet::kX86_64) {          \
293     GTEST_SKIP() << "WARNING: TEST DISABLED FOR X86_64"; \
294   }
295 
296 #define TEST_DISABLED_WITHOUT_BAKER_READ_BARRIERS()                             \
297   if (!gUseReadBarrier || !kUseBakerReadBarrier) {                              \
298     GTEST_SKIP() << "WARNING: TEST DISABLED FOR GC WITHOUT BAKER READ BARRIER"; \
299   }
300 
301 #define TEST_DISABLED_FOR_MEMORY_TOOL_WITH_HEAP_POISONING_WITHOUT_READ_BARRIERS()              \
302   if (kRunningOnMemoryTool && kPoisonHeapReferences && !gUseReadBarrier) {                     \
303     GTEST_SKIP()                                                                               \
304         << "WARNING: TEST DISABLED FOR MEMORY TOOL WITH HEAP POISONING WITHOUT READ BARRIERS"; \
305   }
306 
307 #define TEST_DISABLED_FOR_KERNELS_WITH_CACHE_SEGFAULT()                                   \
308   if (CacheOperationsMaySegFault()) {                                                     \
309     GTEST_SKIP() << "WARNING: TEST DISABLED ON KERNEL THAT SEGFAULT ON CACHE OPERATIONS"; \
310   }
311 
312 }  // namespace art
313 
314 #endif  // ART_RUNTIME_COMMON_RUNTIME_TEST_H_
315