Ian Rogers | b033c75 | 2011-07-20 12:22:35 -0700 | [diff] [blame^] | 1 | // Copyright 2011 Google Inc. All Rights Reserved. |
| 2 | // Author: irogers@google.com (Ian Rogers) |
| 3 | |
| 4 | #include <sys/mman.h> |
| 5 | #include "src/assembler.h" |
| 6 | #include "src/class_linker.h" |
| 7 | #include "src/common_test.h" |
| 8 | #include "src/dex_file.h" |
| 9 | #include "src/jni_compiler.h" |
| 10 | #include "src/runtime.h" |
| 11 | #include "src/thread.h" |
| 12 | #include "gtest/gtest.h" |
| 13 | |
| 14 | namespace art { |
| 15 | |
| 16 | class JniCompilerTest : public testing::Test { |
| 17 | protected: |
| 18 | virtual void SetUp() { |
| 19 | // Create runtime and attach thread |
| 20 | runtime_ = Runtime::Create(); |
| 21 | CHECK(runtime_->AttachCurrentThread()); |
| 22 | // Create thunk code that performs the native to managed transition |
| 23 | thunk_code_size_ = 4096; |
| 24 | thunk_ = mmap(NULL, thunk_code_size_, PROT_READ | PROT_WRITE | PROT_EXEC, |
| 25 | MAP_ANONYMOUS | MAP_PRIVATE, -1, 0); |
| 26 | CHECK_NE(MAP_FAILED, thunk_); |
| 27 | Assembler thk_asm; |
| 28 | // TODO: shouldn't have machine specific code in a general purpose file |
| 29 | #if defined(__i386__) |
| 30 | thk_asm.pushl(EDI); // preserve EDI |
| 31 | thk_asm.movl(EAX, Address(ESP, 8)); // EAX = method->GetCode() |
| 32 | thk_asm.movl(EDI, Address(ESP, 12)); // EDI = method |
| 33 | thk_asm.pushl(Immediate(0)); // push pad |
| 34 | thk_asm.pushl(Immediate(0)); // push pad |
| 35 | thk_asm.pushl(Address(ESP, 40)); // push pad or jlong high |
| 36 | thk_asm.pushl(Address(ESP, 40)); // push jint or jlong low |
| 37 | thk_asm.pushl(Address(ESP, 40)); // push jint or jlong high |
| 38 | thk_asm.pushl(Address(ESP, 40)); // push jint or jlong low |
| 39 | thk_asm.pushl(Address(ESP, 40)); // push jobject |
| 40 | thk_asm.call(EAX); // Continue in method->GetCode() |
| 41 | thk_asm.addl(ESP, Immediate(28)); // pop arguments |
| 42 | thk_asm.popl(EDI); // restore EDI |
| 43 | thk_asm.ret(); |
| 44 | #else |
| 45 | LOG(FATAL) << "Unimplemented"; |
| 46 | #endif |
| 47 | size_t cs = thk_asm.CodeSize(); |
| 48 | MemoryRegion code(thunk_, cs); |
| 49 | thk_asm.FinalizeInstructions(code); |
| 50 | thunk_entry1_ = reinterpret_cast<jint (*)(const void*, art::Method*, |
| 51 | jobject, jint, jint, jint) |
| 52 | >(code.pointer()); |
| 53 | thunk_entry2_ = reinterpret_cast<jdouble (*)(const void*, art::Method*, |
| 54 | jobject, jdouble, jdouble) |
| 55 | >(code.pointer()); |
| 56 | } |
| 57 | |
| 58 | virtual void TearDown() { |
| 59 | // Release thunk code |
| 60 | CHECK(runtime_->DetachCurrentThread()); |
| 61 | CHECK_EQ(0, munmap(thunk_, thunk_code_size_)); |
| 62 | } |
| 63 | |
| 64 | // Run generated code associated with method passing and returning int size |
| 65 | // arguments |
| 66 | jvalue RunMethod(Method* method, jvalue a, jvalue b, jvalue c, jvalue d) { |
| 67 | jvalue result; |
| 68 | // sanity checks |
| 69 | EXPECT_NE(static_cast<void*>(NULL), method->GetCode()); |
| 70 | EXPECT_EQ(0u, Thread::Current()->NumShbHandles()); |
| 71 | EXPECT_EQ(Thread::kRunnable, Thread::Current()->GetState()); |
| 72 | // perform call |
| 73 | result.i = (*thunk_entry1_)(method->GetCode(), method, a.l, b.i, c.i, d.i); |
| 74 | // sanity check post-call |
| 75 | EXPECT_EQ(0u, Thread::Current()->NumShbHandles()); |
| 76 | EXPECT_EQ(Thread::kRunnable, Thread::Current()->GetState()); |
| 77 | return result; |
| 78 | } |
| 79 | |
| 80 | // Run generated code associated with method passing and returning double size |
| 81 | // arguments |
| 82 | jvalue RunMethodD(Method* method, jvalue a, jvalue b, jvalue c) { |
| 83 | jvalue result; |
| 84 | // sanity checks |
| 85 | EXPECT_NE(static_cast<void*>(NULL), method->GetCode()); |
| 86 | EXPECT_EQ(0u, Thread::Current()->NumShbHandles()); |
| 87 | EXPECT_EQ(Thread::kRunnable, Thread::Current()->GetState()); |
| 88 | // perform call |
| 89 | result.d = (*thunk_entry2_)(method->GetCode(), method, a.l, b.d, c.d); |
| 90 | // sanity check post-call |
| 91 | EXPECT_EQ(0u, Thread::Current()->NumShbHandles()); |
| 92 | EXPECT_EQ(Thread::kRunnable, Thread::Current()->GetState()); |
| 93 | return result; |
| 94 | } |
| 95 | |
| 96 | Runtime* runtime_; |
| 97 | void* thunk_; |
| 98 | size_t thunk_code_size_; |
| 99 | jint (*thunk_entry1_)(const void*, Method*, jobject, jint, jint, jint); |
| 100 | jdouble (*thunk_entry2_)(const void*, Method*, jobject, jdouble, jdouble); |
| 101 | }; |
| 102 | |
| 103 | int gJava_MyClass_foo_calls = 0; |
| 104 | void Java_MyClass_foo(JNIEnv*, jobject) { |
| 105 | EXPECT_EQ(1u, Thread::Current()->NumShbHandles()); |
| 106 | EXPECT_EQ(Thread::kNative, Thread::Current()->GetState()); |
| 107 | gJava_MyClass_foo_calls++; |
| 108 | } |
| 109 | |
| 110 | int gJava_MyClass_fooI_calls = 0; |
| 111 | jint Java_MyClass_fooI(JNIEnv*, jobject, jint x) { |
| 112 | EXPECT_EQ(1u, Thread::Current()->NumShbHandles()); |
| 113 | EXPECT_EQ(Thread::kNative, Thread::Current()->GetState()); |
| 114 | gJava_MyClass_fooI_calls++; |
| 115 | return x; |
| 116 | } |
| 117 | |
| 118 | int gJava_MyClass_fooII_calls = 0; |
| 119 | jint Java_MyClass_fooII(JNIEnv*, jobject, jint x, jint y) { |
| 120 | EXPECT_EQ(1u, Thread::Current()->NumShbHandles()); |
| 121 | EXPECT_EQ(Thread::kNative, Thread::Current()->GetState()); |
| 122 | gJava_MyClass_fooII_calls++; |
| 123 | return x - y; // non-commutative operator |
| 124 | } |
| 125 | |
| 126 | int gJava_MyClass_fooDD_calls = 0; |
| 127 | jdouble Java_MyClass_fooDD(JNIEnv*, jobject, jdouble x, jdouble y) { |
| 128 | EXPECT_EQ(1u, Thread::Current()->NumShbHandles()); |
| 129 | EXPECT_EQ(Thread::kNative, Thread::Current()->GetState()); |
| 130 | gJava_MyClass_fooDD_calls++; |
| 131 | return x - y; // non-commutative operator |
| 132 | } |
| 133 | |
| 134 | int gJava_MyClass_fooIOO_calls = 0; |
| 135 | jobject Java_MyClass_fooIOO(JNIEnv*, jobject thisObject, jint x, jobject y, |
| 136 | jobject z) { |
| 137 | EXPECT_EQ(3u, Thread::Current()->NumShbHandles()); |
| 138 | EXPECT_EQ(Thread::kNative, Thread::Current()->GetState()); |
| 139 | gJava_MyClass_fooIOO_calls++; |
| 140 | switch (x) { |
| 141 | case 1: |
| 142 | return y; |
| 143 | case 2: |
| 144 | return z; |
| 145 | default: |
| 146 | return thisObject; |
| 147 | } |
| 148 | } |
| 149 | |
| 150 | int gJava_MyClass_fooSIOO_calls = 0; |
| 151 | jobject Java_MyClass_fooSIOO(JNIEnv*, jclass klass, jint x, jobject y, |
| 152 | jobject z) { |
| 153 | EXPECT_EQ(3u, Thread::Current()->NumShbHandles()); |
| 154 | EXPECT_EQ(Thread::kNative, Thread::Current()->GetState()); |
| 155 | gJava_MyClass_fooSIOO_calls++; |
| 156 | switch (x) { |
| 157 | case 1: |
| 158 | return y; |
| 159 | case 2: |
| 160 | return z; |
| 161 | default: |
| 162 | return klass; |
| 163 | } |
| 164 | } |
| 165 | |
| 166 | TEST_F(JniCompilerTest, CompileAndRunNoArgMethod) { |
| 167 | scoped_ptr<DexFile> dex(OpenDexFileBase64(kMyClassNativesDex)); |
| 168 | scoped_ptr<ClassLinker> linker(ClassLinker::Create()); |
| 169 | linker->AppendToClassPath(dex.get()); |
| 170 | Class* klass = linker->FindClass("LMyClass;", NULL); |
| 171 | Method* method = klass->FindVirtualMethod("foo"); |
| 172 | |
| 173 | Assembler jni_asm; |
| 174 | JniCompiler jni_compiler; |
| 175 | jni_compiler.Compile(&jni_asm, method); |
| 176 | |
| 177 | // TODO: should really use JNIEnv to RegisterNative, but missing a |
| 178 | // complete story on this, so hack the RegisterNative below |
| 179 | // JNIEnv* env = Thread::Current()->GetJniEnv(); |
| 180 | // JNINativeMethod methods[] = {{"foo", "()V", (void*)&Java_MyClass_foo}}; |
| 181 | method->RegisterNative(reinterpret_cast<void*>(&Java_MyClass_foo)); |
| 182 | |
| 183 | jvalue a; |
| 184 | a.l = (jobject)NULL; |
| 185 | EXPECT_EQ(0, gJava_MyClass_foo_calls); |
| 186 | RunMethod(method, a, a, a, a); |
| 187 | EXPECT_EQ(1, gJava_MyClass_foo_calls); |
| 188 | RunMethod(method, a, a, a, a); |
| 189 | EXPECT_EQ(2, gJava_MyClass_foo_calls); |
| 190 | } |
| 191 | |
| 192 | TEST_F(JniCompilerTest, CompileAndRunIntMethod) { |
| 193 | scoped_ptr<DexFile> dex(OpenDexFileBase64(kMyClassNativesDex)); |
| 194 | scoped_ptr<ClassLinker> linker(ClassLinker::Create()); |
| 195 | linker->AppendToClassPath(dex.get()); |
| 196 | Class* klass = linker->FindClass("LMyClass;", NULL); |
| 197 | Method* method = klass->FindVirtualMethod("fooI"); |
| 198 | |
| 199 | Assembler jni_asm; |
| 200 | JniCompiler jni_compiler; |
| 201 | jni_compiler.Compile(&jni_asm, method); |
| 202 | |
| 203 | // TODO: should really use JNIEnv to RegisterNative, but missing a |
| 204 | // complete story on this, so hack the RegisterNative below |
| 205 | method->RegisterNative(reinterpret_cast<void*>(&Java_MyClass_fooI)); |
| 206 | |
| 207 | jvalue a, b, c; |
| 208 | a.l = (jobject)NULL; |
| 209 | b.i = 42; |
| 210 | EXPECT_EQ(0, gJava_MyClass_fooI_calls); |
| 211 | c = RunMethod(method, a, b, a, a); |
| 212 | ASSERT_EQ(42, c.i); |
| 213 | EXPECT_EQ(1, gJava_MyClass_fooI_calls); |
| 214 | b.i = 0xCAFED00D; |
| 215 | c = RunMethod(method, a, b, a, a); |
| 216 | ASSERT_EQ((jint)0xCAFED00D, c.i); |
| 217 | EXPECT_EQ(2, gJava_MyClass_fooI_calls); |
| 218 | } |
| 219 | |
| 220 | TEST_F(JniCompilerTest, CompileAndRunIntIntMethod) { |
| 221 | scoped_ptr<DexFile> dex(OpenDexFileBase64(kMyClassNativesDex)); |
| 222 | scoped_ptr<ClassLinker> linker(ClassLinker::Create()); |
| 223 | linker->AppendToClassPath(dex.get()); |
| 224 | Class* klass = linker->FindClass("LMyClass;", NULL); |
| 225 | Method* method = klass->FindVirtualMethod("fooII"); |
| 226 | |
| 227 | Assembler jni_asm; |
| 228 | JniCompiler jni_compiler; |
| 229 | jni_compiler.Compile(&jni_asm, method); |
| 230 | |
| 231 | // TODO: should really use JNIEnv to RegisterNative, but missing a |
| 232 | // complete story on this, so hack the RegisterNative below |
| 233 | method->RegisterNative(reinterpret_cast<void*>(&Java_MyClass_fooII)); |
| 234 | |
| 235 | jvalue a, b, c, d; |
| 236 | a.l = (jobject)NULL; |
| 237 | b.i = 99; |
| 238 | c.i = 10; |
| 239 | EXPECT_EQ(0, gJava_MyClass_fooII_calls); |
| 240 | d = RunMethod(method, a, b, c, a); |
| 241 | ASSERT_EQ(99 - 10, d.i); |
| 242 | EXPECT_EQ(1, gJava_MyClass_fooII_calls); |
| 243 | b.i = 0xCAFEBABE; |
| 244 | c.i = 0xCAFED00D; |
| 245 | d = RunMethod(method, a, b, c, a); |
| 246 | ASSERT_EQ((jint)(0xCAFEBABE - 0xCAFED00D), d.i); |
| 247 | EXPECT_EQ(2, gJava_MyClass_fooII_calls); |
| 248 | } |
| 249 | |
| 250 | |
| 251 | TEST_F(JniCompilerTest, CompileAndRunDoubleDoubleMethod) { |
| 252 | scoped_ptr<DexFile> dex(OpenDexFileBase64(kMyClassNativesDex)); |
| 253 | scoped_ptr<ClassLinker> linker(ClassLinker::Create()); |
| 254 | linker->AppendToClassPath(dex.get()); |
| 255 | Class* klass = linker->FindClass("LMyClass;", NULL); |
| 256 | Method* method = klass->FindVirtualMethod("fooDD"); |
| 257 | |
| 258 | Assembler jni_asm; |
| 259 | JniCompiler jni_compiler; |
| 260 | jni_compiler.Compile(&jni_asm, method); |
| 261 | |
| 262 | // TODO: should really use JNIEnv to RegisterNative, but missing a |
| 263 | // complete story on this, so hack the RegisterNative below |
| 264 | method->RegisterNative(reinterpret_cast<void*>(&Java_MyClass_fooDD)); |
| 265 | |
| 266 | jvalue a, b, c, d; |
| 267 | a.l = (jobject)NULL; |
| 268 | b.d = 99; |
| 269 | c.d = 10; |
| 270 | EXPECT_EQ(0, gJava_MyClass_fooDD_calls); |
| 271 | d = RunMethodD(method, a, b, c); |
| 272 | ASSERT_EQ(b.d - c.d, d.d); |
| 273 | EXPECT_EQ(1, gJava_MyClass_fooDD_calls); |
| 274 | b.d = 3.14159265358979323846; |
| 275 | c.d = 0.69314718055994530942; |
| 276 | d = RunMethodD(method, a, b, c); |
| 277 | ASSERT_EQ(b.d - c.d, d.d); |
| 278 | EXPECT_EQ(2, gJava_MyClass_fooDD_calls); |
| 279 | } |
| 280 | |
| 281 | TEST_F(JniCompilerTest, CompileAndRunIntObjectObjectMethod) { |
| 282 | scoped_ptr<DexFile> dex(OpenDexFileBase64(kMyClassNativesDex)); |
| 283 | scoped_ptr<ClassLinker> linker(ClassLinker::Create()); |
| 284 | linker->AppendToClassPath(dex.get()); |
| 285 | Class* klass = linker->FindClass("LMyClass;", NULL); |
| 286 | Method* method = klass->FindVirtualMethod("fooIOO"); |
| 287 | |
| 288 | Assembler jni_asm; |
| 289 | JniCompiler jni_compiler; |
| 290 | jni_compiler.Compile(&jni_asm, method); |
| 291 | |
| 292 | // TODO: should really use JNIEnv to RegisterNative, but missing a |
| 293 | // complete story on this, so hack the RegisterNative below |
| 294 | method->RegisterNative(reinterpret_cast<void*>(&Java_MyClass_fooIOO)); |
| 295 | |
| 296 | jvalue a, b, c, d, e; |
| 297 | a.l = (jobject)NULL; |
| 298 | b.i = 0; |
| 299 | c.l = (jobject)NULL; |
| 300 | d.l = (jobject)NULL; |
| 301 | EXPECT_EQ(0, gJava_MyClass_fooIOO_calls); |
| 302 | e = RunMethod(method, a, b, c, d); |
| 303 | ASSERT_EQ((jobject)NULL, e.l); |
| 304 | EXPECT_EQ(1, gJava_MyClass_fooIOO_calls); |
| 305 | a.l = (jobject)8; |
| 306 | b.i = 0; |
| 307 | c.l = (jobject)NULL; |
| 308 | d.l = (jobject)16; |
| 309 | e = RunMethod(method, a, b, c, d); |
| 310 | ASSERT_EQ((jobject)8, e.l); |
| 311 | EXPECT_EQ(2, gJava_MyClass_fooIOO_calls); |
| 312 | b.i = 1; |
| 313 | e = RunMethod(method, a, b, c, d); |
| 314 | ASSERT_EQ((jobject)NULL, e.l); |
| 315 | EXPECT_EQ(3, gJava_MyClass_fooIOO_calls); |
| 316 | b.i = 2; |
| 317 | e = RunMethod(method, a, b, c, d); |
| 318 | ASSERT_EQ((jobject)16, e.l); |
| 319 | EXPECT_EQ(4, gJava_MyClass_fooIOO_calls); |
| 320 | a.l = (jobject)8; |
| 321 | b.i = 0; |
| 322 | c.l = (jobject)16; |
| 323 | d.l = (jobject)NULL; |
| 324 | e = RunMethod(method, a, b, c, d); |
| 325 | ASSERT_EQ((jobject)8, e.l); |
| 326 | EXPECT_EQ(5, gJava_MyClass_fooIOO_calls); |
| 327 | b.i = 1; |
| 328 | e = RunMethod(method, a, b, c, d); |
| 329 | ASSERT_EQ((jobject)16, e.l); |
| 330 | EXPECT_EQ(6, gJava_MyClass_fooIOO_calls); |
| 331 | b.i = 2; |
| 332 | e = RunMethod(method, a, b, c, d); |
| 333 | ASSERT_EQ((jobject)NULL, e.l); |
| 334 | EXPECT_EQ(7, gJava_MyClass_fooIOO_calls); |
| 335 | } |
| 336 | |
| 337 | TEST_F(JniCompilerTest, CompileAndRunStaticIntObjectObjectMethod) { |
| 338 | scoped_ptr<DexFile> dex(OpenDexFileBase64(kMyClassNativesDex)); |
| 339 | scoped_ptr<ClassLinker> linker(ClassLinker::Create()); |
| 340 | linker->AppendToClassPath(dex.get()); |
| 341 | Class* klass = linker->FindClass("LMyClass;", NULL); |
| 342 | Method* method = klass->FindDirectMethod("fooSIOO"); |
| 343 | |
| 344 | Assembler jni_asm; |
| 345 | JniCompiler jni_compiler; |
| 346 | jni_compiler.Compile(&jni_asm, method); |
| 347 | |
| 348 | // TODO: should really use JNIEnv to RegisterNative, but missing a |
| 349 | // complete story on this, so hack the RegisterNative below |
| 350 | method->RegisterNative(reinterpret_cast<void*>(&Java_MyClass_fooSIOO)); |
| 351 | |
| 352 | jvalue a, b, c, d; |
| 353 | a.i = 0; |
| 354 | b.l = (jobject)NULL; |
| 355 | c.l = (jobject)NULL; |
| 356 | EXPECT_EQ(0, gJava_MyClass_fooSIOO_calls); |
| 357 | d = RunMethod(method, a, b, c, a); |
| 358 | ASSERT_EQ((jobject)method->GetClass(), d.l); |
| 359 | EXPECT_EQ(1, gJava_MyClass_fooSIOO_calls); |
| 360 | a.i = 0; |
| 361 | b.l = (jobject)NULL; |
| 362 | c.l = (jobject)16; |
| 363 | d = RunMethod(method, a, b, c, a); |
| 364 | ASSERT_EQ((jobject)method->GetClass(), d.l); |
| 365 | EXPECT_EQ(2, gJava_MyClass_fooSIOO_calls); |
| 366 | a.i = 1; |
| 367 | d = RunMethod(method, a, b, c, a); |
| 368 | ASSERT_EQ((jobject)NULL, d.l); |
| 369 | EXPECT_EQ(3, gJava_MyClass_fooSIOO_calls); |
| 370 | a.i = 2; |
| 371 | d = RunMethod(method, a, b, c, a); |
| 372 | ASSERT_EQ((jobject)16, d.l); |
| 373 | EXPECT_EQ(4, gJava_MyClass_fooSIOO_calls); |
| 374 | a.i = 0; |
| 375 | b.l = (jobject)16; |
| 376 | c.l = (jobject)NULL; |
| 377 | d = RunMethod(method, a, b, c, a); |
| 378 | ASSERT_EQ((jobject)method->GetClass(), d.l); |
| 379 | EXPECT_EQ(5, gJava_MyClass_fooSIOO_calls); |
| 380 | a.i = 1; |
| 381 | d = RunMethod(method, a, b, c, a); |
| 382 | ASSERT_EQ((jobject)16, d.l); |
| 383 | EXPECT_EQ(6, gJava_MyClass_fooSIOO_calls); |
| 384 | a.i = 2; |
| 385 | d = RunMethod(method, a, b, c, a); |
| 386 | ASSERT_EQ((jobject)NULL, d.l); |
| 387 | EXPECT_EQ(7, gJava_MyClass_fooSIOO_calls); |
| 388 | } |
| 389 | |
| 390 | } // namespace art |