Ian Rogers | df20fe0 | 2011-07-20 20:34:16 -0700 | [diff] [blame] | 1 | // Copyright 2011 Google Inc. All Rights Reserved. |
| 2 | |
Brian Carlstrom | 578bbdc | 2011-07-21 14:07:47 -0700 | [diff] [blame] | 3 | #include "jni_internal.h" |
Carl Shapiro | 2ed144c | 2011-07-26 16:52:08 -0700 | [diff] [blame] | 4 | |
Carl Shapiro | 9b9ba28 | 2011-08-14 15:30:39 -0700 | [diff] [blame] | 5 | #include <cstdarg> |
Elliott Hughes | 0af5543 | 2011-08-17 18:37:28 -0700 | [diff] [blame] | 6 | #include <dlfcn.h> |
Carl Shapiro | 9b9ba28 | 2011-08-14 15:30:39 -0700 | [diff] [blame] | 7 | #include <sys/mman.h> |
Elliott Hughes | 0af5543 | 2011-08-17 18:37:28 -0700 | [diff] [blame] | 8 | #include <utility> |
| 9 | #include <vector> |
Carl Shapiro | 2ed144c | 2011-07-26 16:52:08 -0700 | [diff] [blame] | 10 | |
Elliott Hughes | 18c0753 | 2011-08-18 15:50:51 -0700 | [diff] [blame] | 11 | #include "assembler.h" |
Elliott Hughes | 40ef99e | 2011-08-11 17:44:34 -0700 | [diff] [blame] | 12 | #include "class_linker.h" |
Carl Shapiro | ea4dca8 | 2011-08-01 13:45:38 -0700 | [diff] [blame] | 13 | #include "jni.h" |
Brian Carlstrom | 578bbdc | 2011-07-21 14:07:47 -0700 | [diff] [blame] | 14 | #include "logging.h" |
Carl Shapiro | 9b9ba28 | 2011-08-14 15:30:39 -0700 | [diff] [blame] | 15 | #include "object.h" |
Carl Shapiro | 2ed144c | 2011-07-26 16:52:08 -0700 | [diff] [blame] | 16 | #include "runtime.h" |
Carl Shapiro | fc322c7 | 2011-07-27 00:20:01 -0700 | [diff] [blame] | 17 | #include "scoped_ptr.h" |
| 18 | #include "stringpiece.h" |
Carl Shapiro | 2ed144c | 2011-07-26 16:52:08 -0700 | [diff] [blame] | 19 | #include "thread.h" |
Ian Rogers | df20fe0 | 2011-07-20 20:34:16 -0700 | [diff] [blame] | 20 | |
buzbee | c143c55 | 2011-08-20 17:38:58 -0700 | [diff] [blame] | 21 | extern bool oatCompileMethod(art::Method*, art::InstructionSet); |
| 22 | |
Ian Rogers | df20fe0 | 2011-07-20 20:34:16 -0700 | [diff] [blame] | 23 | namespace art { |
| 24 | |
Elliott Hughes | cdf5312 | 2011-08-19 15:46:09 -0700 | [diff] [blame] | 25 | // This is private API, but with two different implementations: ARM and x86. |
| 26 | void CreateInvokeStub(Assembler* assembler, Method* method); |
Ian Rogers | cdd1d2d | 2011-08-18 09:58:17 -0700 | [diff] [blame] | 27 | |
Elliott Hughes | cdf5312 | 2011-08-19 15:46:09 -0700 | [diff] [blame] | 28 | // TODO: this should be in our anonymous namespace, but is currently needed |
| 29 | // for testing in "jni_internal_test.cc". |
| 30 | bool EnsureInvokeStub(Method* method) { |
| 31 | if (method->GetInvokeStub() != NULL) { |
| 32 | return true; |
| 33 | } |
| 34 | // TODO: use signature to find a matching stub |
| 35 | // TODO: failed, acquire a lock on the stub table |
| 36 | Assembler assembler; |
| 37 | CreateInvokeStub(&assembler, method); |
| 38 | // TODO: store native_entry in the stub table |
| 39 | int prot = PROT_READ | PROT_WRITE | PROT_EXEC; |
| 40 | size_t length = assembler.CodeSize(); |
| 41 | void* addr = mmap(NULL, length, prot, MAP_PRIVATE | MAP_ANONYMOUS, -1, 0); |
| 42 | if (addr == MAP_FAILED) { |
Elliott Hughes | a0b8feb | 2011-08-20 09:50:55 -0700 | [diff] [blame] | 43 | PLOG(FATAL) << "mmap failed for " << PrettyMethod(method, true); |
Elliott Hughes | cdf5312 | 2011-08-19 15:46:09 -0700 | [diff] [blame] | 44 | } |
| 45 | MemoryRegion region(addr, length); |
| 46 | assembler.FinalizeInstructions(region); |
| 47 | method->SetInvokeStub(reinterpret_cast<Method::InvokeStub*>(region.pointer())); |
| 48 | return true; |
| 49 | } |
Elliott Hughes | 0af5543 | 2011-08-17 18:37:28 -0700 | [diff] [blame] | 50 | |
Elliott Hughes | cdf5312 | 2011-08-19 15:46:09 -0700 | [diff] [blame] | 51 | // TODO: this can't be in our anonymous namespace because of the map in JavaVM. |
| 52 | class SharedLibrary { |
| 53 | public: |
| 54 | SharedLibrary(const std::string& path, void* handle, Object* class_loader) |
| 55 | : path_(path), |
| 56 | handle_(handle), |
| 57 | jni_on_load_lock_(Mutex::Create("JNI_OnLoad lock")), |
| 58 | jni_on_load_tid_(Thread::Current()->GetId()), |
| 59 | jni_on_load_result_(kPending) { |
Elliott Hughes | 18c0753 | 2011-08-18 15:50:51 -0700 | [diff] [blame] | 60 | } |
| 61 | |
| 62 | ~SharedLibrary() { |
Elliott Hughes | cdf5312 | 2011-08-19 15:46:09 -0700 | [diff] [blame] | 63 | delete jni_on_load_lock_; |
Elliott Hughes | 0af5543 | 2011-08-17 18:37:28 -0700 | [diff] [blame] | 64 | } |
| 65 | |
Elliott Hughes | cdf5312 | 2011-08-19 15:46:09 -0700 | [diff] [blame] | 66 | Object* GetClassLoader() { |
| 67 | return class_loader_; |
Elliott Hughes | 0af5543 | 2011-08-17 18:37:28 -0700 | [diff] [blame] | 68 | } |
| 69 | |
Elliott Hughes | cdf5312 | 2011-08-19 15:46:09 -0700 | [diff] [blame] | 70 | /* |
| 71 | * Check the result of an earlier call to JNI_OnLoad on this library. If |
| 72 | * the call has not yet finished in another thread, wait for it. |
| 73 | */ |
| 74 | bool CheckOnLoadResult(JavaVMExt* vm) { |
| 75 | Thread* self = Thread::Current(); |
| 76 | if (jni_on_load_tid_ == self->GetId()) { |
| 77 | // Check this so we don't end up waiting for ourselves. We need |
| 78 | // to return "true" so the caller can continue. |
| 79 | LOG(INFO) << *self << " recursive attempt to load library " |
| 80 | << "\"" << path_ << "\""; |
| 81 | return true; |
Elliott Hughes | 0af5543 | 2011-08-17 18:37:28 -0700 | [diff] [blame] | 82 | } |
| 83 | |
Elliott Hughes | cdf5312 | 2011-08-19 15:46:09 -0700 | [diff] [blame] | 84 | UNIMPLEMENTED(ERROR) << "need to pthread_cond_wait!"; |
| 85 | // MutexLock mu(jni_on_load_lock_); |
| 86 | while (jni_on_load_result_ == kPending) { |
| 87 | if (vm->verbose_jni) { |
| 88 | LOG(INFO) << "[" << *self << " waiting for \"" << path_ << "\" " |
| 89 | << "JNI_OnLoad...]"; |
Elliott Hughes | 0af5543 | 2011-08-17 18:37:28 -0700 | [diff] [blame] | 90 | } |
Elliott Hughes | cdf5312 | 2011-08-19 15:46:09 -0700 | [diff] [blame] | 91 | Thread::State old_state = self->GetState(); |
| 92 | self->SetState(Thread::kWaiting); // TODO: VMWAIT |
| 93 | // pthread_cond_wait(&jni_on_load_cond_, &jni_on_load_lock_); |
Elliott Hughes | 0af5543 | 2011-08-17 18:37:28 -0700 | [diff] [blame] | 94 | self->SetState(old_state); |
Elliott Hughes | 0af5543 | 2011-08-17 18:37:28 -0700 | [diff] [blame] | 95 | } |
| 96 | |
Elliott Hughes | cdf5312 | 2011-08-19 15:46:09 -0700 | [diff] [blame] | 97 | bool okay = (jni_on_load_result_ == kOkay); |
| 98 | if (vm->verbose_jni) { |
| 99 | LOG(INFO) << "[Earlier JNI_OnLoad for \"" << path_ << "\" " |
| 100 | << (okay ? "succeeded" : "failed") << "]"; |
| 101 | } |
| 102 | return okay; |
| 103 | } |
| 104 | |
| 105 | void SetResult(bool result) { |
| 106 | jni_on_load_result_ = result ? kOkay : kFailed; |
| 107 | jni_on_load_tid_ = 0; |
Elliott Hughes | 0af5543 | 2011-08-17 18:37:28 -0700 | [diff] [blame] | 108 | |
| 109 | // Broadcast a wakeup to anybody sleeping on the condition variable. |
| 110 | UNIMPLEMENTED(ERROR) << "missing pthread_cond_broadcast"; |
Elliott Hughes | cdf5312 | 2011-08-19 15:46:09 -0700 | [diff] [blame] | 111 | // MutexLock mu(library->jni_on_load_lock_); |
| 112 | // pthread_cond_broadcast(&library->jni_on_load_cond_); |
Elliott Hughes | 0af5543 | 2011-08-17 18:37:28 -0700 | [diff] [blame] | 113 | } |
Elliott Hughes | cdf5312 | 2011-08-19 15:46:09 -0700 | [diff] [blame] | 114 | |
| 115 | private: |
| 116 | enum JNI_OnLoadState { |
| 117 | kPending, |
| 118 | kFailed, |
| 119 | kOkay, |
| 120 | }; |
| 121 | |
| 122 | // Path to library "/system/lib/libjni.so". |
| 123 | std::string path_; |
| 124 | |
| 125 | // The void* returned by dlopen(3). |
| 126 | void* handle_; |
| 127 | |
| 128 | // The ClassLoader this library is associated with. |
| 129 | Object* class_loader_; |
| 130 | |
| 131 | // Guards remaining items. |
| 132 | Mutex* jni_on_load_lock_; |
| 133 | // Wait for JNI_OnLoad in other thread. |
| 134 | pthread_cond_t jni_on_load_cond_; |
| 135 | // Recursive invocation guard. |
| 136 | uint32_t jni_on_load_tid_; |
| 137 | // Result of earlier JNI_OnLoad call. |
| 138 | JNI_OnLoadState jni_on_load_result_; |
| 139 | }; |
| 140 | |
| 141 | namespace { |
Elliott Hughes | 0af5543 | 2011-08-17 18:37:28 -0700 | [diff] [blame] | 142 | |
Elliott Hughes | 22f4093 | 2011-08-12 13:06:37 -0700 | [diff] [blame] | 143 | // Entry/exit processing for all JNI calls. |
| 144 | // |
| 145 | // This performs the necessary thread state switching, lets us amortize the |
| 146 | // cost of working out the current thread, and lets us check (and repair) apps |
| 147 | // that are using a JNIEnv on the wrong thread. |
| 148 | class ScopedJniThreadState { |
| 149 | public: |
Elliott Hughes | c5f7c91 | 2011-08-18 14:00:42 -0700 | [diff] [blame] | 150 | explicit ScopedJniThreadState(JNIEnv* env) |
| 151 | : env_(reinterpret_cast<JNIEnvExt*>(env)) { |
Elliott Hughes | b20a554 | 2011-08-12 18:03:12 -0700 | [diff] [blame] | 152 | self_ = ThreadForEnv(env); |
Elliott Hughes | 22f4093 | 2011-08-12 13:06:37 -0700 | [diff] [blame] | 153 | self_->SetState(Thread::kRunnable); |
| 154 | } |
| 155 | |
| 156 | ~ScopedJniThreadState() { |
| 157 | self_->SetState(Thread::kNative); |
| 158 | } |
| 159 | |
Elliott Hughes | c5f7c91 | 2011-08-18 14:00:42 -0700 | [diff] [blame] | 160 | JNIEnvExt* Env() { |
| 161 | return env_; |
| 162 | } |
| 163 | |
Elliott Hughes | b20a554 | 2011-08-12 18:03:12 -0700 | [diff] [blame] | 164 | Thread* Self() { |
Elliott Hughes | 22f4093 | 2011-08-12 13:06:37 -0700 | [diff] [blame] | 165 | return self_; |
| 166 | } |
| 167 | |
Elliott Hughes | b20a554 | 2011-08-12 18:03:12 -0700 | [diff] [blame] | 168 | private: |
| 169 | static Thread* ThreadForEnv(JNIEnv* env) { |
Elliott Hughes | 22f4093 | 2011-08-12 13:06:37 -0700 | [diff] [blame] | 170 | // TODO: need replacement for gDvmJni. |
| 171 | bool workAroundAppJniBugs = true; |
| 172 | Thread* env_self = reinterpret_cast<JNIEnvExt*>(env)->self; |
| 173 | Thread* self = workAroundAppJniBugs ? Thread::Current() : env_self; |
| 174 | if (self != env_self) { |
Elliott Hughes | 330304d | 2011-08-12 14:28:05 -0700 | [diff] [blame] | 175 | LOG(ERROR) << "JNI ERROR: JNIEnv for " << *env_self |
| 176 | << " used on " << *self; |
| 177 | // TODO: dump stack |
Elliott Hughes | 22f4093 | 2011-08-12 13:06:37 -0700 | [diff] [blame] | 178 | } |
| 179 | return self; |
| 180 | } |
| 181 | |
Elliott Hughes | c5f7c91 | 2011-08-18 14:00:42 -0700 | [diff] [blame] | 182 | JNIEnvExt* env_; |
Elliott Hughes | 22f4093 | 2011-08-12 13:06:37 -0700 | [diff] [blame] | 183 | Thread* self_; |
| 184 | DISALLOW_COPY_AND_ASSIGN(ScopedJniThreadState); |
| 185 | }; |
| 186 | |
Elliott Hughes | c5f7c91 | 2011-08-18 14:00:42 -0700 | [diff] [blame] | 187 | /* |
| 188 | * Add a local reference for an object to the current stack frame. When |
| 189 | * the native function returns, the reference will be discarded. |
| 190 | * |
| 191 | * We need to allow the same reference to be added multiple times. |
| 192 | * |
| 193 | * This will be called on otherwise unreferenced objects. We cannot do |
| 194 | * GC allocations here, and it's best if we don't grab a mutex. |
| 195 | * |
| 196 | * Returns the local reference (currently just the same pointer that was |
| 197 | * passed in), or NULL on failure. |
| 198 | */ |
Elliott Hughes | 8a26c5c | 2011-08-15 18:35:43 -0700 | [diff] [blame] | 199 | template<typename T> |
| 200 | T AddLocalReference(ScopedJniThreadState& ts, Object* obj) { |
Elliott Hughes | c5f7c91 | 2011-08-18 14:00:42 -0700 | [diff] [blame] | 201 | if (obj == NULL) { |
| 202 | return NULL; |
| 203 | } |
| 204 | |
| 205 | IndirectReferenceTable& locals = ts.Env()->locals; |
| 206 | |
| 207 | uint32_t cookie = IRT_FIRST_SEGMENT; // TODO |
| 208 | IndirectRef ref = locals.Add(cookie, obj); |
| 209 | if (ref == NULL) { |
| 210 | // TODO: just change Add's DCHECK to CHECK and lose this? |
| 211 | locals.Dump(); |
| 212 | LOG(FATAL) << "Failed adding to JNI local reference table " |
| 213 | << "(has " << locals.Capacity() << " entries)"; |
| 214 | // TODO: dvmDumpThread(dvmThreadSelf(), false); |
| 215 | } |
| 216 | |
| 217 | #if 0 // TODO: fix this to understand PushLocalFrame, so we can turn it on. |
| 218 | if (ts.Env()->check_jni) { |
| 219 | size_t entry_count = locals.Capacity(); |
| 220 | if (entry_count > 16) { |
| 221 | std::string class_name(PrettyDescriptor(obj->GetClass()->GetDescriptor())); |
| 222 | LOG(WARNING) << "Warning: more than 16 JNI local references: " |
| 223 | << entry_count << " (most recent was a " << class_name << ")"; |
| 224 | locals.Dump(); |
| 225 | // TODO: dvmDumpThread(dvmThreadSelf(), false); |
| 226 | // dvmAbort(); |
| 227 | } |
| 228 | } |
| 229 | #endif |
| 230 | |
| 231 | if (false /*gDvmJni.workAroundAppJniBugs*/) { // TODO |
| 232 | // Hand out direct pointers to support broken old apps. |
| 233 | return reinterpret_cast<T>(obj); |
| 234 | } |
| 235 | |
| 236 | return reinterpret_cast<T>(ref); |
| 237 | } |
| 238 | |
Elliott Hughes | cdf5312 | 2011-08-19 15:46:09 -0700 | [diff] [blame] | 239 | jweak AddWeakGlobalReference(ScopedJniThreadState& ts, Object* obj) { |
| 240 | if (obj == NULL) { |
| 241 | return NULL; |
| 242 | } |
| 243 | JavaVMExt* vm = Runtime::Current()->GetJavaVM(); |
| 244 | IndirectReferenceTable& weak_globals = vm->weak_globals; |
| 245 | MutexLock mu(vm->weak_globals_lock); |
| 246 | IndirectRef ref = weak_globals.Add(IRT_FIRST_SEGMENT, obj); |
| 247 | return reinterpret_cast<jweak>(ref); |
| 248 | } |
| 249 | |
Elliott Hughes | c5f7c91 | 2011-08-18 14:00:42 -0700 | [diff] [blame] | 250 | template<typename T> |
| 251 | T Decode(ScopedJniThreadState& ts, jobject obj) { |
| 252 | if (obj == NULL) { |
| 253 | return NULL; |
| 254 | } |
| 255 | |
| 256 | IndirectRef ref = reinterpret_cast<IndirectRef>(obj); |
| 257 | IndirectRefKind kind = GetIndirectRefKind(ref); |
| 258 | Object* result; |
| 259 | switch (kind) { |
| 260 | case kLocal: |
| 261 | { |
| 262 | IndirectReferenceTable& locals = ts.Env()->locals; |
| 263 | result = locals.Get(ref); |
| 264 | break; |
| 265 | } |
| 266 | case kGlobal: |
| 267 | { |
| 268 | JavaVMExt* vm = Runtime::Current()->GetJavaVM(); |
| 269 | IndirectReferenceTable& globals = vm->globals; |
Elliott Hughes | 18c0753 | 2011-08-18 15:50:51 -0700 | [diff] [blame] | 270 | MutexLock mu(vm->globals_lock); |
Elliott Hughes | c5f7c91 | 2011-08-18 14:00:42 -0700 | [diff] [blame] | 271 | result = globals.Get(ref); |
| 272 | break; |
| 273 | } |
| 274 | case kWeakGlobal: |
| 275 | { |
| 276 | JavaVMExt* vm = Runtime::Current()->GetJavaVM(); |
| 277 | IndirectReferenceTable& weak_globals = vm->weak_globals; |
Elliott Hughes | 18c0753 | 2011-08-18 15:50:51 -0700 | [diff] [blame] | 278 | MutexLock mu(vm->weak_globals_lock); |
Elliott Hughes | c5f7c91 | 2011-08-18 14:00:42 -0700 | [diff] [blame] | 279 | result = weak_globals.Get(ref); |
| 280 | if (result == kClearedJniWeakGlobal) { |
| 281 | // This is a special case where it's okay to return NULL. |
| 282 | return NULL; |
| 283 | } |
| 284 | break; |
| 285 | } |
| 286 | case kInvalid: |
| 287 | default: |
Ian Rogers | a8cd9f4 | 2011-08-19 16:43:41 -0700 | [diff] [blame] | 288 | // TODO: make stack handle blocks more efficient |
| 289 | // Check if this is a local reference in a stack handle block |
| 290 | if (ts.Self()->ShbContains(obj)) { |
| 291 | return *reinterpret_cast<T*>(obj); // Read from stack handle block |
| 292 | } |
Elliott Hughes | c5f7c91 | 2011-08-18 14:00:42 -0700 | [diff] [blame] | 293 | if (false /*gDvmJni.workAroundAppJniBugs*/) { // TODO |
| 294 | // Assume an invalid local reference is actually a direct pointer. |
| 295 | return reinterpret_cast<T>(obj); |
| 296 | } |
| 297 | LOG(FATAL) << "Invalid indirect reference " << obj; |
| 298 | return reinterpret_cast<T>(kInvalidIndirectRefObject); |
| 299 | } |
| 300 | |
| 301 | if (result == NULL) { |
| 302 | LOG(FATAL) << "JNI ERROR (app bug): use of deleted " << kind << ": " |
| 303 | << obj; |
| 304 | } |
| 305 | return reinterpret_cast<T>(result); |
Elliott Hughes | 8a26c5c | 2011-08-15 18:35:43 -0700 | [diff] [blame] | 306 | } |
| 307 | |
Elliott Hughes | cdf5312 | 2011-08-19 15:46:09 -0700 | [diff] [blame] | 308 | Field* DecodeField(ScopedJniThreadState& ts, jfieldID fid) { |
| 309 | return Decode<Field*>(ts, reinterpret_cast<jweak>(fid)); |
| 310 | } |
Carl Shapiro | 9b9ba28 | 2011-08-14 15:30:39 -0700 | [diff] [blame] | 311 | |
Elliott Hughes | cdf5312 | 2011-08-19 15:46:09 -0700 | [diff] [blame] | 312 | Method* DecodeMethod(ScopedJniThreadState& ts, jmethodID mid) { |
| 313 | return Decode<Method*>(ts, reinterpret_cast<jweak>(mid)); |
Carl Shapiro | 9b9ba28 | 2011-08-14 15:30:39 -0700 | [diff] [blame] | 314 | } |
| 315 | |
Elliott Hughes | c5f7c91 | 2011-08-18 14:00:42 -0700 | [diff] [blame] | 316 | byte* CreateArgArray(ScopedJniThreadState& ts, Method* method, va_list ap) { |
Carl Shapiro | 9b9ba28 | 2011-08-14 15:30:39 -0700 | [diff] [blame] | 317 | size_t num_bytes = method->NumArgArrayBytes(); |
| 318 | scoped_array<byte> arg_array(new byte[num_bytes]); |
| 319 | const StringPiece& shorty = method->GetShorty(); |
Ian Rogers | 4dd71f1 | 2011-08-16 14:16:02 -0700 | [diff] [blame] | 320 | for (int i = 1, offset = 0; i < shorty.size(); ++i) { |
Carl Shapiro | 9b9ba28 | 2011-08-14 15:30:39 -0700 | [diff] [blame] | 321 | switch (shorty[i]) { |
| 322 | case 'Z': |
| 323 | case 'B': |
| 324 | case 'C': |
| 325 | case 'S': |
| 326 | case 'I': |
| 327 | *reinterpret_cast<int32_t*>(&arg_array[offset]) = va_arg(ap, jint); |
| 328 | offset += 4; |
| 329 | break; |
| 330 | case 'F': |
| 331 | *reinterpret_cast<float*>(&arg_array[offset]) = va_arg(ap, jdouble); |
| 332 | offset += 4; |
| 333 | break; |
| 334 | case 'L': { |
Elliott Hughes | c5f7c91 | 2011-08-18 14:00:42 -0700 | [diff] [blame] | 335 | Object* obj = Decode<Object*>(ts, va_arg(ap, jobject)); |
Carl Shapiro | 9b9ba28 | 2011-08-14 15:30:39 -0700 | [diff] [blame] | 336 | *reinterpret_cast<Object**>(&arg_array[offset]) = obj; |
| 337 | offset += sizeof(Object*); |
| 338 | break; |
| 339 | } |
| 340 | case 'D': |
| 341 | *reinterpret_cast<double*>(&arg_array[offset]) = va_arg(ap, jdouble); |
| 342 | offset += 8; |
| 343 | break; |
| 344 | case 'J': |
| 345 | *reinterpret_cast<int64_t*>(&arg_array[offset]) = va_arg(ap, jlong); |
| 346 | offset += 8; |
| 347 | break; |
| 348 | } |
| 349 | } |
| 350 | return arg_array.release(); |
| 351 | } |
| 352 | |
Elliott Hughes | c5f7c91 | 2011-08-18 14:00:42 -0700 | [diff] [blame] | 353 | byte* CreateArgArray(ScopedJniThreadState& ts, Method* method, jvalue* args) { |
Carl Shapiro | 9b9ba28 | 2011-08-14 15:30:39 -0700 | [diff] [blame] | 354 | size_t num_bytes = method->NumArgArrayBytes(); |
| 355 | scoped_array<byte> arg_array(new byte[num_bytes]); |
| 356 | const StringPiece& shorty = method->GetShorty(); |
Ian Rogers | 4dd71f1 | 2011-08-16 14:16:02 -0700 | [diff] [blame] | 357 | for (int i = 1, offset = 0; i < shorty.size(); ++i) { |
Carl Shapiro | 9b9ba28 | 2011-08-14 15:30:39 -0700 | [diff] [blame] | 358 | switch (shorty[i]) { |
| 359 | case 'Z': |
| 360 | case 'B': |
| 361 | case 'C': |
| 362 | case 'S': |
| 363 | case 'I': |
| 364 | *reinterpret_cast<uint32_t*>(&arg_array[offset]) = args[i - 1].i; |
| 365 | offset += 4; |
| 366 | break; |
| 367 | case 'F': |
| 368 | *reinterpret_cast<float*>(&arg_array[offset]) = args[i - 1].f; |
| 369 | offset += 4; |
| 370 | break; |
| 371 | case 'L': { |
Elliott Hughes | c5f7c91 | 2011-08-18 14:00:42 -0700 | [diff] [blame] | 372 | Object* obj = Decode<Object*>(ts, args[i - 1].l); |
Carl Shapiro | 9b9ba28 | 2011-08-14 15:30:39 -0700 | [diff] [blame] | 373 | *reinterpret_cast<Object**>(&arg_array[offset]) = obj; |
| 374 | offset += sizeof(Object*); |
| 375 | break; |
| 376 | } |
| 377 | case 'D': |
| 378 | *reinterpret_cast<double*>(&arg_array[offset]) = args[i - 1].d; |
| 379 | offset += 8; |
| 380 | break; |
| 381 | case 'J': |
| 382 | *reinterpret_cast<uint64_t*>(&arg_array[offset]) = args[i - 1].j; |
| 383 | offset += 8; |
| 384 | break; |
| 385 | } |
| 386 | } |
| 387 | return arg_array.release(); |
| 388 | } |
| 389 | |
Ian Rogers | cdd1d2d | 2011-08-18 09:58:17 -0700 | [diff] [blame] | 390 | JValue InvokeWithArgArray(ScopedJniThreadState& ts, jobject obj, |
Elliott Hughes | cdf5312 | 2011-08-19 15:46:09 -0700 | [diff] [blame] | 391 | jmethodID mid, byte* args) { |
| 392 | Method* method = DecodeMethod(ts, mid); |
Ian Rogers | cdd1d2d | 2011-08-18 09:58:17 -0700 | [diff] [blame] | 393 | Object* rcvr = Decode<Object*>(ts, obj); |
Ian Rogers | 6de0860 | 2011-08-19 14:52:39 -0700 | [diff] [blame] | 394 | Thread* self = ts.Self(); |
| 395 | |
| 396 | // Push a transition back into managed code onto the linked list in thread |
| 397 | CHECK_EQ(Thread::kRunnable, self->GetState()); |
| 398 | NativeToManagedRecord record; |
| 399 | self->PushNativeToManagedRecord(&record); |
| 400 | |
Carl Shapiro | 9b9ba28 | 2011-08-14 15:30:39 -0700 | [diff] [blame] | 401 | // Call the invoke stub associated with the method |
| 402 | // Pass everything as arguments |
| 403 | const Method::InvokeStub* stub = method->GetInvokeStub(); |
| 404 | CHECK(stub != NULL); |
buzbee | c143c55 | 2011-08-20 17:38:58 -0700 | [diff] [blame] | 405 | |
| 406 | #ifdef __arm__ |
| 407 | // Compile... |
| 408 | // TODO: not here! |
| 409 | oatCompileMethod(method, kThumb2); |
| 410 | #endif |
| 411 | |
Carl Shapiro | 9b9ba28 | 2011-08-14 15:30:39 -0700 | [diff] [blame] | 412 | JValue result; |
buzbee | c143c55 | 2011-08-20 17:38:58 -0700 | [diff] [blame] | 413 | if (method->HasCode()) { |
Ian Rogers | 6de0860 | 2011-08-19 14:52:39 -0700 | [diff] [blame] | 414 | (*stub)(method, rcvr, self, args, &result); |
Ian Rogers | cdd1d2d | 2011-08-18 09:58:17 -0700 | [diff] [blame] | 415 | } else { |
Elliott Hughes | a0b8feb | 2011-08-20 09:50:55 -0700 | [diff] [blame] | 416 | LOG(WARNING) << "Not invoking method with no associated code: " |
| 417 | << PrettyMethod(method, true); |
Ian Rogers | cdd1d2d | 2011-08-18 09:58:17 -0700 | [diff] [blame] | 418 | result.j = 0; |
| 419 | } |
buzbee | c143c55 | 2011-08-20 17:38:58 -0700 | [diff] [blame] | 420 | |
Ian Rogers | 6de0860 | 2011-08-19 14:52:39 -0700 | [diff] [blame] | 421 | // Pop transition |
| 422 | self->PopNativeToManagedRecord(record); |
Carl Shapiro | 9b9ba28 | 2011-08-14 15:30:39 -0700 | [diff] [blame] | 423 | return result; |
| 424 | } |
| 425 | |
Ian Rogers | cdd1d2d | 2011-08-18 09:58:17 -0700 | [diff] [blame] | 426 | JValue InvokeWithJValues(ScopedJniThreadState& ts, jobject obj, |
Elliott Hughes | cdf5312 | 2011-08-19 15:46:09 -0700 | [diff] [blame] | 427 | jmethodID mid, jvalue* args) { |
| 428 | Method* method = DecodeMethod(ts, mid); |
Elliott Hughes | c5f7c91 | 2011-08-18 14:00:42 -0700 | [diff] [blame] | 429 | scoped_array<byte> arg_array(CreateArgArray(ts, method, args)); |
Elliott Hughes | cdf5312 | 2011-08-19 15:46:09 -0700 | [diff] [blame] | 430 | return InvokeWithArgArray(ts, obj, mid, arg_array.get()); |
Carl Shapiro | 9b9ba28 | 2011-08-14 15:30:39 -0700 | [diff] [blame] | 431 | } |
| 432 | |
Ian Rogers | cdd1d2d | 2011-08-18 09:58:17 -0700 | [diff] [blame] | 433 | JValue InvokeWithVarArgs(ScopedJniThreadState& ts, jobject obj, |
Elliott Hughes | cdf5312 | 2011-08-19 15:46:09 -0700 | [diff] [blame] | 434 | jmethodID mid, va_list args) { |
| 435 | Method* method = DecodeMethod(ts, mid); |
Elliott Hughes | c5f7c91 | 2011-08-18 14:00:42 -0700 | [diff] [blame] | 436 | scoped_array<byte> arg_array(CreateArgArray(ts, method, args)); |
Elliott Hughes | cdf5312 | 2011-08-19 15:46:09 -0700 | [diff] [blame] | 437 | return InvokeWithArgArray(ts, obj, mid, arg_array.get()); |
Carl Shapiro | ea4dca8 | 2011-08-01 13:45:38 -0700 | [diff] [blame] | 438 | } |
| 439 | |
Elliott Hughes | 6b43685 | 2011-08-12 10:16:44 -0700 | [diff] [blame] | 440 | // Section 12.3.2 of the JNI spec describes JNI class descriptors. They're |
| 441 | // separated with slashes but aren't wrapped with "L;" like regular descriptors |
| 442 | // (i.e. "a/b/C" rather than "La/b/C;"). Arrays of reference types are an |
| 443 | // exception; there the "L;" must be present ("[La/b/C;"). Historically we've |
| 444 | // supported names with dots too (such as "a.b.C"). |
| 445 | std::string NormalizeJniClassDescriptor(const char* name) { |
| 446 | std::string result; |
| 447 | // Add the missing "L;" if necessary. |
| 448 | if (name[0] == '[') { |
| 449 | result = name; |
| 450 | } else { |
| 451 | result += 'L'; |
| 452 | result += name; |
| 453 | result += ';'; |
| 454 | } |
| 455 | // Rewrite '.' as '/' for backwards compatibility. |
Elliott Hughes | a5b897e | 2011-08-16 11:33:06 -0700 | [diff] [blame] | 456 | if (result.find('.') != std::string::npos) { |
| 457 | LOG(WARNING) << "Call to JNI FindClass with dots in name: " |
| 458 | << "\"" << name << "\""; |
| 459 | std::replace(result.begin(), result.end(), '.', '/'); |
Elliott Hughes | 6b43685 | 2011-08-12 10:16:44 -0700 | [diff] [blame] | 460 | } |
| 461 | return result; |
| 462 | } |
| 463 | |
Elliott Hughes | cdf5312 | 2011-08-19 15:46:09 -0700 | [diff] [blame] | 464 | jmethodID FindMethodID(ScopedJniThreadState& ts, jclass jni_class, const char* name, const char* sig, bool is_static) { |
| 465 | Class* c = Decode<Class*>(ts, jni_class); |
Elliott Hughes | f4c21c9 | 2011-08-19 17:31:31 -0700 | [diff] [blame] | 466 | if (!Runtime::Current()->GetClassLinker()->EnsureInitialized(c)) { |
| 467 | return NULL; |
Carl Shapiro | 83ab4f3 | 2011-08-15 20:21:39 -0700 | [diff] [blame] | 468 | } |
Elliott Hughes | cdf5312 | 2011-08-19 15:46:09 -0700 | [diff] [blame] | 469 | |
| 470 | Method* method = NULL; |
| 471 | if (is_static) { |
| 472 | method = c->FindDirectMethod(name, sig); |
Ian Rogers | 4dd71f1 | 2011-08-16 14:16:02 -0700 | [diff] [blame] | 473 | } else { |
Elliott Hughes | cdf5312 | 2011-08-19 15:46:09 -0700 | [diff] [blame] | 474 | method = c->FindVirtualMethod(name, sig); |
| 475 | if (method == NULL) { |
| 476 | // No virtual method matching the signature. Search declared |
| 477 | // private methods and constructors. |
| 478 | method = c->FindDeclaredDirectMethod(name, sig); |
Ian Rogers | 4dd71f1 | 2011-08-16 14:16:02 -0700 | [diff] [blame] | 479 | } |
Carl Shapiro | 83ab4f3 | 2011-08-15 20:21:39 -0700 | [diff] [blame] | 480 | } |
Carl Shapiro | ea4dca8 | 2011-08-01 13:45:38 -0700 | [diff] [blame] | 481 | |
Elliott Hughes | cdf5312 | 2011-08-19 15:46:09 -0700 | [diff] [blame] | 482 | if (method == NULL || method->IsStatic() != is_static) { |
| 483 | Thread* self = Thread::Current(); |
Elliott Hughes | a0b8feb | 2011-08-20 09:50:55 -0700 | [diff] [blame] | 484 | std::string method_name(PrettyMethod(method, true)); |
Elliott Hughes | cdf5312 | 2011-08-19 15:46:09 -0700 | [diff] [blame] | 485 | // TODO: try searching for the opposite kind of method from is_static |
| 486 | // for better diagnostics? |
| 487 | self->ThrowNewException("Ljava/lang/NoSuchMethodError;", |
Elliott Hughes | a0b8feb | 2011-08-20 09:50:55 -0700 | [diff] [blame] | 488 | "no %s method %s", is_static ? "static" : "non-static", |
| 489 | method_name.c_str()); |
Elliott Hughes | cdf5312 | 2011-08-19 15:46:09 -0700 | [diff] [blame] | 490 | return NULL; |
| 491 | } |
Carl Shapiro | ea4dca8 | 2011-08-01 13:45:38 -0700 | [diff] [blame] | 492 | |
Elliott Hughes | cdf5312 | 2011-08-19 15:46:09 -0700 | [diff] [blame] | 493 | bool success = EnsureInvokeStub(method); |
| 494 | if (!success) { |
| 495 | // TODO: throw OutOfMemoryException |
| 496 | return NULL; |
| 497 | } |
Carl Shapiro | ea4dca8 | 2011-08-01 13:45:38 -0700 | [diff] [blame] | 498 | |
Elliott Hughes | cdf5312 | 2011-08-19 15:46:09 -0700 | [diff] [blame] | 499 | return reinterpret_cast<jmethodID>(AddWeakGlobalReference(ts, method)); |
Carl Shapiro | ea4dca8 | 2011-08-01 13:45:38 -0700 | [diff] [blame] | 500 | } |
| 501 | |
Elliott Hughes | cdf5312 | 2011-08-19 15:46:09 -0700 | [diff] [blame] | 502 | jfieldID FindFieldID(ScopedJniThreadState& ts, jclass jni_class, const char* name, const char* sig, bool is_static) { |
| 503 | Class* c = Decode<Class*>(ts, jni_class); |
Elliott Hughes | f4c21c9 | 2011-08-19 17:31:31 -0700 | [diff] [blame] | 504 | if (!Runtime::Current()->GetClassLinker()->EnsureInitialized(c)) { |
| 505 | return NULL; |
Carl Shapiro | 83ab4f3 | 2011-08-15 20:21:39 -0700 | [diff] [blame] | 506 | } |
Elliott Hughes | cdf5312 | 2011-08-19 15:46:09 -0700 | [diff] [blame] | 507 | |
| 508 | Field* field = NULL; |
| 509 | if (is_static) { |
| 510 | field = c->FindStaticField(name, sig); |
Ian Rogers | 4dd71f1 | 2011-08-16 14:16:02 -0700 | [diff] [blame] | 511 | } else { |
Elliott Hughes | cdf5312 | 2011-08-19 15:46:09 -0700 | [diff] [blame] | 512 | field = c->FindInstanceField(name, sig); |
Carl Shapiro | 9b9ba28 | 2011-08-14 15:30:39 -0700 | [diff] [blame] | 513 | } |
Carl Shapiro | ea4dca8 | 2011-08-01 13:45:38 -0700 | [diff] [blame] | 514 | |
Elliott Hughes | cdf5312 | 2011-08-19 15:46:09 -0700 | [diff] [blame] | 515 | if (field == NULL) { |
| 516 | Thread* self = Thread::Current(); |
Brian Carlstrom | 9cff8e1 | 2011-08-18 16:47:29 -0700 | [diff] [blame] | 517 | std::string class_name(c->GetDescriptor()->ToModifiedUtf8()); |
Elliott Hughes | cdf5312 | 2011-08-19 15:46:09 -0700 | [diff] [blame] | 518 | self->ThrowNewException("Ljava/lang/NoSuchFieldError;", |
| 519 | "no \"%s\" field \"%s\" in class \"%s\" or its superclasses", sig, |
| 520 | name, class_name.c_str()); |
Elliott Hughes | 8a26c5c | 2011-08-15 18:35:43 -0700 | [diff] [blame] | 521 | return NULL; |
| 522 | } |
Carl Shapiro | ea4dca8 | 2011-08-01 13:45:38 -0700 | [diff] [blame] | 523 | |
Elliott Hughes | cdf5312 | 2011-08-19 15:46:09 -0700 | [diff] [blame] | 524 | jweak fid = AddWeakGlobalReference(ts, field); |
| 525 | return reinterpret_cast<jfieldID>(fid); |
Carl Shapiro | ea4dca8 | 2011-08-01 13:45:38 -0700 | [diff] [blame] | 526 | } |
| 527 | |
Elliott Hughes | d8ddfd5 | 2011-08-15 14:32:53 -0700 | [diff] [blame] | 528 | template<typename JniT, typename ArtT> |
| 529 | JniT NewPrimitiveArray(ScopedJniThreadState& ts, jsize length) { |
| 530 | CHECK_GE(length, 0); // TODO: ReportJniError |
| 531 | ArtT* result = ArtT::Alloc(length); |
Elliott Hughes | 8a26c5c | 2011-08-15 18:35:43 -0700 | [diff] [blame] | 532 | return AddLocalReference<JniT>(ts, result); |
Elliott Hughes | d8ddfd5 | 2011-08-15 14:32:53 -0700 | [diff] [blame] | 533 | } |
| 534 | |
Elliott Hughes | cdf5312 | 2011-08-19 15:46:09 -0700 | [diff] [blame] | 535 | } // namespace |
Carl Shapiro | ea4dca8 | 2011-08-01 13:45:38 -0700 | [diff] [blame] | 536 | |
Elliott Hughes | cdf5312 | 2011-08-19 15:46:09 -0700 | [diff] [blame] | 537 | class JNI { |
| 538 | public: |
Carl Shapiro | ea4dca8 | 2011-08-01 13:45:38 -0700 | [diff] [blame] | 539 | |
Elliott Hughes | cdf5312 | 2011-08-19 15:46:09 -0700 | [diff] [blame] | 540 | static jint GetVersion(JNIEnv* env) { |
| 541 | ScopedJniThreadState ts(env); |
| 542 | return JNI_VERSION_1_6; |
| 543 | } |
Carl Shapiro | ea4dca8 | 2011-08-01 13:45:38 -0700 | [diff] [blame] | 544 | |
Elliott Hughes | cdf5312 | 2011-08-19 15:46:09 -0700 | [diff] [blame] | 545 | static jclass DefineClass(JNIEnv* env, const char*, jobject, const jbyte*, jsize) { |
| 546 | ScopedJniThreadState ts(env); |
| 547 | LOG(WARNING) << "JNI DefineClass is not supported"; |
Elliott Hughes | f2682d5 | 2011-08-15 16:37:04 -0700 | [diff] [blame] | 548 | return NULL; |
| 549 | } |
| 550 | |
Elliott Hughes | cdf5312 | 2011-08-19 15:46:09 -0700 | [diff] [blame] | 551 | static jclass FindClass(JNIEnv* env, const char* name) { |
| 552 | ScopedJniThreadState ts(env); |
| 553 | ClassLinker* class_linker = Runtime::Current()->GetClassLinker(); |
| 554 | std::string descriptor(NormalizeJniClassDescriptor(name)); |
| 555 | // TODO: need to get the appropriate ClassLoader. |
Elliott Hughes | edcc09c | 2011-08-21 18:47:05 -0700 | [diff] [blame] | 556 | ClassLoader* cl = ts.Self()->GetClassLoaderOverride(); |
buzbee | c143c55 | 2011-08-20 17:38:58 -0700 | [diff] [blame] | 557 | Class* c = class_linker->FindClass(descriptor, cl); |
Elliott Hughes | cdf5312 | 2011-08-19 15:46:09 -0700 | [diff] [blame] | 558 | return AddLocalReference<jclass>(ts, c); |
Ian Rogers | 4dd71f1 | 2011-08-16 14:16:02 -0700 | [diff] [blame] | 559 | } |
Carl Shapiro | ea4dca8 | 2011-08-01 13:45:38 -0700 | [diff] [blame] | 560 | |
Elliott Hughes | cdf5312 | 2011-08-19 15:46:09 -0700 | [diff] [blame] | 561 | static jmethodID FromReflectedMethod(JNIEnv* env, jobject java_method) { |
| 562 | ScopedJniThreadState ts(env); |
| 563 | Method* method = Decode<Method*>(ts, java_method); |
| 564 | return reinterpret_cast<jmethodID>(AddWeakGlobalReference(ts, method)); |
Elliott Hughes | f2682d5 | 2011-08-15 16:37:04 -0700 | [diff] [blame] | 565 | } |
Carl Shapiro | ea4dca8 | 2011-08-01 13:45:38 -0700 | [diff] [blame] | 566 | |
Elliott Hughes | cdf5312 | 2011-08-19 15:46:09 -0700 | [diff] [blame] | 567 | static jfieldID FromReflectedField(JNIEnv* env, jobject java_field) { |
| 568 | ScopedJniThreadState ts(env); |
| 569 | Field* field = Decode<Field*>(ts, java_field); |
| 570 | return reinterpret_cast<jfieldID>(AddWeakGlobalReference(ts, field)); |
| 571 | } |
Carl Shapiro | ea4dca8 | 2011-08-01 13:45:38 -0700 | [diff] [blame] | 572 | |
Elliott Hughes | cdf5312 | 2011-08-19 15:46:09 -0700 | [diff] [blame] | 573 | static jobject ToReflectedMethod(JNIEnv* env, jclass, jmethodID mid, jboolean) { |
| 574 | ScopedJniThreadState ts(env); |
| 575 | Method* method = DecodeMethod(ts, mid); |
| 576 | return AddLocalReference<jobject>(ts, method); |
| 577 | } |
Carl Shapiro | ea4dca8 | 2011-08-01 13:45:38 -0700 | [diff] [blame] | 578 | |
Elliott Hughes | cdf5312 | 2011-08-19 15:46:09 -0700 | [diff] [blame] | 579 | static jobject ToReflectedField(JNIEnv* env, jclass, jfieldID fid, jboolean) { |
| 580 | ScopedJniThreadState ts(env); |
| 581 | Field* field = DecodeField(ts, fid); |
| 582 | return AddLocalReference<jobject>(ts, field); |
| 583 | } |
Carl Shapiro | ea4dca8 | 2011-08-01 13:45:38 -0700 | [diff] [blame] | 584 | |
Elliott Hughes | cdf5312 | 2011-08-19 15:46:09 -0700 | [diff] [blame] | 585 | static jclass GetSuperclass(JNIEnv* env, jclass sub) { |
| 586 | ScopedJniThreadState ts(env); |
| 587 | UNIMPLEMENTED(FATAL); |
| 588 | return NULL; |
| 589 | } |
Carl Shapiro | ea4dca8 | 2011-08-01 13:45:38 -0700 | [diff] [blame] | 590 | |
Elliott Hughes | cdf5312 | 2011-08-19 15:46:09 -0700 | [diff] [blame] | 591 | static jboolean IsAssignableFrom(JNIEnv* env, jclass sub, jclass sup) { |
| 592 | ScopedJniThreadState ts(env); |
| 593 | UNIMPLEMENTED(FATAL); |
| 594 | return JNI_FALSE; |
| 595 | } |
Carl Shapiro | ea4dca8 | 2011-08-01 13:45:38 -0700 | [diff] [blame] | 596 | |
Elliott Hughes | cdf5312 | 2011-08-19 15:46:09 -0700 | [diff] [blame] | 597 | static jint Throw(JNIEnv* env, jthrowable obj) { |
| 598 | ScopedJniThreadState ts(env); |
| 599 | UNIMPLEMENTED(FATAL); |
| 600 | return 0; |
| 601 | } |
Carl Shapiro | ea4dca8 | 2011-08-01 13:45:38 -0700 | [diff] [blame] | 602 | |
Elliott Hughes | cdf5312 | 2011-08-19 15:46:09 -0700 | [diff] [blame] | 603 | static jint ThrowNew(JNIEnv* env, jclass clazz, const char* msg) { |
| 604 | ScopedJniThreadState ts(env); |
| 605 | UNIMPLEMENTED(FATAL); |
| 606 | return 0; |
| 607 | } |
Carl Shapiro | ea4dca8 | 2011-08-01 13:45:38 -0700 | [diff] [blame] | 608 | |
Elliott Hughes | cdf5312 | 2011-08-19 15:46:09 -0700 | [diff] [blame] | 609 | static jthrowable ExceptionOccurred(JNIEnv* env) { |
| 610 | ScopedJniThreadState ts(env); |
| 611 | Object* exception = ts.Self()->GetException(); |
| 612 | if (exception == NULL) { |
| 613 | return NULL; |
| 614 | } else { |
| 615 | // TODO: if adding a local reference failing causes the VM to abort |
| 616 | // then the following check will never occur. |
| 617 | jthrowable localException = AddLocalReference<jthrowable>(ts, exception); |
| 618 | if (localException == NULL) { |
| 619 | // We were unable to add a new local reference, and threw a new |
| 620 | // exception. We can't return "exception", because it's not a |
| 621 | // local reference. So we have to return NULL, indicating that |
| 622 | // there was no exception, even though it's pretty much raining |
| 623 | // exceptions in here. |
| 624 | LOG(WARNING) << "JNI WARNING: addLocal/exception combo"; |
| 625 | } |
| 626 | return localException; |
| 627 | } |
| 628 | } |
| 629 | |
| 630 | static void ExceptionDescribe(JNIEnv* env) { |
| 631 | ScopedJniThreadState ts(env); |
| 632 | UNIMPLEMENTED(FATAL); |
| 633 | } |
| 634 | |
| 635 | static void ExceptionClear(JNIEnv* env) { |
| 636 | ScopedJniThreadState ts(env); |
| 637 | ts.Self()->ClearException(); |
| 638 | } |
| 639 | |
| 640 | static void FatalError(JNIEnv* env, const char* msg) { |
| 641 | ScopedJniThreadState ts(env); |
| 642 | LOG(FATAL) << "JNI FatalError called: " << msg; |
| 643 | } |
| 644 | |
| 645 | static jint PushLocalFrame(JNIEnv* env, jint cap) { |
| 646 | ScopedJniThreadState ts(env); |
| 647 | UNIMPLEMENTED(WARNING) << "ignoring PushLocalFrame(" << cap << ")"; |
| 648 | return JNI_OK; |
| 649 | } |
| 650 | |
| 651 | static jobject PopLocalFrame(JNIEnv* env, jobject res) { |
| 652 | ScopedJniThreadState ts(env); |
| 653 | UNIMPLEMENTED(WARNING) << "ignoring PopLocalFrame " << res; |
| 654 | return res; |
| 655 | } |
| 656 | |
| 657 | static jobject NewGlobalRef(JNIEnv* env, jobject obj) { |
| 658 | ScopedJniThreadState ts(env); |
| 659 | if (obj == NULL) { |
| 660 | return NULL; |
| 661 | } |
| 662 | |
| 663 | JavaVMExt* vm = Runtime::Current()->GetJavaVM(); |
| 664 | IndirectReferenceTable& globals = vm->globals; |
| 665 | MutexLock mu(vm->globals_lock); |
| 666 | IndirectRef ref = globals.Add(IRT_FIRST_SEGMENT, Decode<Object*>(ts, obj)); |
| 667 | return reinterpret_cast<jobject>(ref); |
| 668 | } |
| 669 | |
| 670 | static void DeleteGlobalRef(JNIEnv* env, jobject obj) { |
| 671 | ScopedJniThreadState ts(env); |
| 672 | if (obj == NULL) { |
| 673 | return; |
| 674 | } |
| 675 | |
| 676 | JavaVMExt* vm = Runtime::Current()->GetJavaVM(); |
| 677 | IndirectReferenceTable& globals = vm->globals; |
| 678 | MutexLock mu(vm->globals_lock); |
| 679 | |
| 680 | if (!globals.Remove(IRT_FIRST_SEGMENT, obj)) { |
| 681 | LOG(WARNING) << "JNI WARNING: DeleteGlobalRef(" << obj << ") " |
| 682 | << "failed to find entry"; |
| 683 | } |
| 684 | } |
| 685 | |
| 686 | static jweak NewWeakGlobalRef(JNIEnv* env, jobject obj) { |
| 687 | ScopedJniThreadState ts(env); |
| 688 | return AddWeakGlobalReference(ts, Decode<Object*>(ts, obj)); |
| 689 | } |
| 690 | |
| 691 | static void DeleteWeakGlobalRef(JNIEnv* env, jweak obj) { |
| 692 | ScopedJniThreadState ts(env); |
| 693 | if (obj == NULL) { |
| 694 | return; |
| 695 | } |
| 696 | |
| 697 | JavaVMExt* vm = Runtime::Current()->GetJavaVM(); |
| 698 | IndirectReferenceTable& weak_globals = vm->weak_globals; |
| 699 | MutexLock mu(vm->weak_globals_lock); |
| 700 | |
| 701 | if (!weak_globals.Remove(IRT_FIRST_SEGMENT, obj)) { |
| 702 | LOG(WARNING) << "JNI WARNING: DeleteWeakGlobalRef(" << obj << ") " |
| 703 | << "failed to find entry"; |
| 704 | } |
| 705 | } |
| 706 | |
| 707 | static jobject NewLocalRef(JNIEnv* env, jobject obj) { |
| 708 | ScopedJniThreadState ts(env); |
| 709 | if (obj == NULL) { |
| 710 | return NULL; |
| 711 | } |
| 712 | |
| 713 | IndirectReferenceTable& locals = ts.Env()->locals; |
| 714 | |
| 715 | uint32_t cookie = IRT_FIRST_SEGMENT; // TODO |
| 716 | IndirectRef ref = locals.Add(cookie, Decode<Object*>(ts, obj)); |
| 717 | return reinterpret_cast<jobject>(ref); |
| 718 | } |
| 719 | |
| 720 | static void DeleteLocalRef(JNIEnv* env, jobject obj) { |
| 721 | ScopedJniThreadState ts(env); |
| 722 | if (obj == NULL) { |
| 723 | return; |
| 724 | } |
| 725 | |
| 726 | IndirectReferenceTable& locals = ts.Env()->locals; |
| 727 | |
| 728 | uint32_t cookie = IRT_FIRST_SEGMENT; // TODO |
| 729 | if (!locals.Remove(cookie, obj)) { |
| 730 | // Attempting to delete a local reference that is not in the |
| 731 | // topmost local reference frame is a no-op. DeleteLocalRef returns |
| 732 | // void and doesn't throw any exceptions, but we should probably |
| 733 | // complain about it so the user will notice that things aren't |
| 734 | // going quite the way they expect. |
| 735 | LOG(WARNING) << "JNI WARNING: DeleteLocalRef(" << obj << ") " |
| 736 | << "failed to find entry"; |
| 737 | } |
| 738 | } |
| 739 | |
| 740 | static jboolean IsSameObject(JNIEnv* env, jobject obj1, jobject obj2) { |
| 741 | ScopedJniThreadState ts(env); |
| 742 | return (Decode<Object*>(ts, obj1) == Decode<Object*>(ts, obj2)) |
| 743 | ? JNI_TRUE : JNI_FALSE; |
| 744 | } |
| 745 | |
| 746 | static jint EnsureLocalCapacity(JNIEnv* env, jint) { |
| 747 | ScopedJniThreadState ts(env); |
| 748 | UNIMPLEMENTED(FATAL); |
| 749 | return 0; |
| 750 | } |
| 751 | |
| 752 | static jobject AllocObject(JNIEnv* env, jclass clazz) { |
| 753 | ScopedJniThreadState ts(env); |
| 754 | UNIMPLEMENTED(FATAL); |
| 755 | return NULL; |
| 756 | } |
| 757 | |
| 758 | static jobject NewObject(JNIEnv* env, jclass clazz, jmethodID methodID, ...) { |
| 759 | ScopedJniThreadState ts(env); |
| 760 | va_list args; |
| 761 | va_start(args, methodID); |
| 762 | jobject result = NewObjectV(env, clazz, methodID, args); |
| 763 | va_end(args); |
| 764 | return result; |
| 765 | } |
| 766 | |
| 767 | static jobject NewObjectV(JNIEnv* env, |
| 768 | jclass clazz, jmethodID methodID, va_list args) { |
| 769 | ScopedJniThreadState ts(env); |
| 770 | Class* klass = Decode<Class*>(ts, clazz); |
| 771 | Object* result = klass->NewInstance(); |
| 772 | jobject local_result = AddLocalReference<jobject>(ts, result); |
| 773 | CallNonvirtualVoidMethodV(env, local_result, clazz, methodID, args); |
| 774 | return local_result; |
| 775 | } |
| 776 | |
| 777 | static jobject NewObjectA(JNIEnv* env, |
| 778 | jclass clazz, jmethodID methodID, jvalue* args) { |
| 779 | ScopedJniThreadState ts(env); |
| 780 | Class* klass = Decode<Class*>(ts, clazz); |
| 781 | Object* result = klass->NewInstance(); |
| 782 | jobject local_result = AddLocalReference<jobjectArray>(ts, result); |
| 783 | CallNonvirtualVoidMethodA(env, local_result, clazz, methodID, args); |
| 784 | return local_result; |
| 785 | } |
| 786 | |
| 787 | static jclass GetObjectClass(JNIEnv* env, jobject obj) { |
| 788 | ScopedJniThreadState ts(env); |
| 789 | UNIMPLEMENTED(FATAL); |
| 790 | return NULL; |
| 791 | } |
| 792 | |
| 793 | static jboolean IsInstanceOf(JNIEnv* env, jobject jobj, jclass clazz) { |
| 794 | ScopedJniThreadState ts(env); |
| 795 | CHECK_NE(static_cast<jclass>(NULL), clazz); |
| 796 | if (jobj == NULL) { |
| 797 | // NB. JNI is different from regular Java instanceof in this respect |
| 798 | return JNI_TRUE; |
| 799 | } else { |
| 800 | Object* obj = Decode<Object*>(ts, jobj); |
| 801 | Class* klass = Decode<Class*>(ts, clazz); |
| 802 | return Object::InstanceOf(obj, klass) ? JNI_TRUE : JNI_FALSE; |
| 803 | } |
| 804 | } |
| 805 | |
| 806 | static jmethodID GetMethodID(JNIEnv* env, jclass c, const char* name, const char* sig) { |
| 807 | ScopedJniThreadState ts(env); |
| 808 | return FindMethodID(ts, c, name, sig, false); |
| 809 | } |
| 810 | |
| 811 | static jmethodID GetStaticMethodID(JNIEnv* env, jclass c, const char* name, const char* sig) { |
| 812 | ScopedJniThreadState ts(env); |
| 813 | return FindMethodID(ts, c, name, sig, true); |
| 814 | } |
| 815 | |
| 816 | static jobject CallObjectMethod(JNIEnv* env, jobject obj, jmethodID methodID, ...) { |
| 817 | ScopedJniThreadState ts(env); |
| 818 | UNIMPLEMENTED(FATAL); |
| 819 | return NULL; |
| 820 | } |
| 821 | |
| 822 | static jobject CallObjectMethodV(JNIEnv* env, |
| 823 | jobject obj, jmethodID methodID, va_list args) { |
| 824 | ScopedJniThreadState ts(env); |
| 825 | UNIMPLEMENTED(FATAL); |
| 826 | return NULL; |
| 827 | } |
| 828 | |
| 829 | static jobject CallObjectMethodA(JNIEnv* env, |
| 830 | jobject obj, jmethodID methodID, jvalue* args) { |
| 831 | ScopedJniThreadState ts(env); |
| 832 | UNIMPLEMENTED(FATAL); |
| 833 | return NULL; |
| 834 | } |
| 835 | |
| 836 | static jboolean CallBooleanMethod(JNIEnv* env, jobject obj, jmethodID methodID, ...) { |
| 837 | ScopedJniThreadState ts(env); |
| 838 | UNIMPLEMENTED(FATAL); |
| 839 | return JNI_FALSE; |
| 840 | } |
| 841 | |
| 842 | static jboolean CallBooleanMethodV(JNIEnv* env, |
| 843 | jobject obj, jmethodID methodID, va_list args) { |
| 844 | ScopedJniThreadState ts(env); |
| 845 | UNIMPLEMENTED(FATAL); |
| 846 | return JNI_FALSE; |
| 847 | } |
| 848 | |
| 849 | static jboolean CallBooleanMethodA(JNIEnv* env, |
| 850 | jobject obj, jmethodID methodID, jvalue* args) { |
| 851 | ScopedJniThreadState ts(env); |
| 852 | UNIMPLEMENTED(FATAL); |
| 853 | return JNI_FALSE; |
| 854 | } |
| 855 | |
| 856 | static jbyte CallByteMethod(JNIEnv* env, jobject obj, jmethodID methodID, ...) { |
| 857 | ScopedJniThreadState ts(env); |
| 858 | UNIMPLEMENTED(FATAL); |
| 859 | return 0; |
| 860 | } |
| 861 | |
| 862 | static jbyte CallByteMethodV(JNIEnv* env, |
| 863 | jobject obj, jmethodID methodID, va_list args) { |
| 864 | ScopedJniThreadState ts(env); |
| 865 | UNIMPLEMENTED(FATAL); |
| 866 | return 0; |
| 867 | } |
| 868 | |
| 869 | static jbyte CallByteMethodA(JNIEnv* env, |
| 870 | jobject obj, jmethodID methodID, jvalue* args) { |
| 871 | ScopedJniThreadState ts(env); |
| 872 | UNIMPLEMENTED(FATAL); |
| 873 | return 0; |
| 874 | } |
| 875 | |
| 876 | static jchar CallCharMethod(JNIEnv* env, jobject obj, jmethodID methodID, ...) { |
| 877 | ScopedJniThreadState ts(env); |
| 878 | UNIMPLEMENTED(FATAL); |
| 879 | return 0; |
| 880 | } |
| 881 | |
| 882 | static jchar CallCharMethodV(JNIEnv* env, |
| 883 | jobject obj, jmethodID methodID, va_list args) { |
| 884 | ScopedJniThreadState ts(env); |
| 885 | UNIMPLEMENTED(FATAL); |
| 886 | return 0; |
| 887 | } |
| 888 | |
| 889 | static jchar CallCharMethodA(JNIEnv* env, |
| 890 | jobject obj, jmethodID methodID, jvalue* args) { |
| 891 | ScopedJniThreadState ts(env); |
| 892 | UNIMPLEMENTED(FATAL); |
| 893 | return 0; |
| 894 | } |
| 895 | |
| 896 | static jshort CallShortMethod(JNIEnv* env, jobject obj, jmethodID methodID, ...) { |
| 897 | ScopedJniThreadState ts(env); |
| 898 | UNIMPLEMENTED(FATAL); |
| 899 | return 0; |
| 900 | } |
| 901 | |
| 902 | static jshort CallShortMethodV(JNIEnv* env, |
| 903 | jobject obj, jmethodID methodID, va_list args) { |
| 904 | ScopedJniThreadState ts(env); |
| 905 | UNIMPLEMENTED(FATAL); |
| 906 | return 0; |
| 907 | } |
| 908 | |
| 909 | static jshort CallShortMethodA(JNIEnv* env, |
| 910 | jobject obj, jmethodID methodID, jvalue* args) { |
| 911 | ScopedJniThreadState ts(env); |
| 912 | UNIMPLEMENTED(FATAL); |
| 913 | return 0; |
| 914 | } |
| 915 | |
| 916 | static jint CallIntMethod(JNIEnv* env, jobject obj, jmethodID methodID, ...) { |
| 917 | ScopedJniThreadState ts(env); |
| 918 | UNIMPLEMENTED(FATAL); |
| 919 | return 0; |
| 920 | } |
| 921 | |
| 922 | static jint CallIntMethodV(JNIEnv* env, |
| 923 | jobject obj, jmethodID methodID, va_list args) { |
| 924 | ScopedJniThreadState ts(env); |
| 925 | UNIMPLEMENTED(FATAL); |
| 926 | return 0; |
| 927 | } |
| 928 | |
| 929 | static jint CallIntMethodA(JNIEnv* env, |
| 930 | jobject obj, jmethodID methodID, jvalue* args) { |
| 931 | ScopedJniThreadState ts(env); |
| 932 | UNIMPLEMENTED(FATAL); |
| 933 | return 0; |
| 934 | } |
| 935 | |
| 936 | static jlong CallLongMethod(JNIEnv* env, jobject obj, jmethodID methodID, ...) { |
| 937 | ScopedJniThreadState ts(env); |
| 938 | UNIMPLEMENTED(FATAL); |
| 939 | return 0; |
| 940 | } |
| 941 | |
| 942 | static jlong CallLongMethodV(JNIEnv* env, |
| 943 | jobject obj, jmethodID methodID, va_list args) { |
| 944 | ScopedJniThreadState ts(env); |
| 945 | UNIMPLEMENTED(FATAL); |
| 946 | return 0; |
| 947 | } |
| 948 | |
| 949 | static jlong CallLongMethodA(JNIEnv* env, |
| 950 | jobject obj, jmethodID methodID, jvalue* args) { |
| 951 | ScopedJniThreadState ts(env); |
| 952 | UNIMPLEMENTED(FATAL); |
| 953 | return 0; |
| 954 | } |
| 955 | |
| 956 | static jfloat CallFloatMethod(JNIEnv* env, jobject obj, jmethodID methodID, ...) { |
| 957 | ScopedJniThreadState ts(env); |
| 958 | UNIMPLEMENTED(FATAL); |
| 959 | return 0; |
| 960 | } |
| 961 | |
| 962 | static jfloat CallFloatMethodV(JNIEnv* env, |
| 963 | jobject obj, jmethodID methodID, va_list args) { |
| 964 | ScopedJniThreadState ts(env); |
| 965 | UNIMPLEMENTED(FATAL); |
| 966 | return 0; |
| 967 | } |
| 968 | |
| 969 | static jfloat CallFloatMethodA(JNIEnv* env, |
| 970 | jobject obj, jmethodID methodID, jvalue* args) { |
| 971 | ScopedJniThreadState ts(env); |
| 972 | UNIMPLEMENTED(FATAL); |
| 973 | return 0; |
| 974 | } |
| 975 | |
| 976 | static jdouble CallDoubleMethod(JNIEnv* env, jobject obj, jmethodID methodID, ...) { |
| 977 | ScopedJniThreadState ts(env); |
| 978 | UNIMPLEMENTED(FATAL); |
| 979 | return 0; |
| 980 | } |
| 981 | |
| 982 | static jdouble CallDoubleMethodV(JNIEnv* env, |
| 983 | jobject obj, jmethodID methodID, va_list args) { |
| 984 | ScopedJniThreadState ts(env); |
| 985 | UNIMPLEMENTED(FATAL); |
| 986 | return 0; |
| 987 | } |
| 988 | |
| 989 | static jdouble CallDoubleMethodA(JNIEnv* env, |
| 990 | jobject obj, jmethodID methodID, jvalue* args) { |
| 991 | ScopedJniThreadState ts(env); |
| 992 | UNIMPLEMENTED(FATAL); |
| 993 | return 0; |
| 994 | } |
| 995 | |
| 996 | static void CallVoidMethod(JNIEnv* env, jobject obj, jmethodID methodID, ...) { |
| 997 | ScopedJniThreadState ts(env); |
| 998 | UNIMPLEMENTED(FATAL); |
| 999 | } |
| 1000 | |
| 1001 | static void CallVoidMethodV(JNIEnv* env, jobject obj, |
| 1002 | jmethodID methodID, va_list args) { |
| 1003 | ScopedJniThreadState ts(env); |
| 1004 | UNIMPLEMENTED(FATAL); |
| 1005 | } |
| 1006 | |
| 1007 | static void CallVoidMethodA(JNIEnv* env, jobject obj, |
| 1008 | jmethodID methodID, jvalue* args) { |
| 1009 | ScopedJniThreadState ts(env); |
| 1010 | UNIMPLEMENTED(FATAL); |
| 1011 | } |
| 1012 | |
| 1013 | static jobject CallNonvirtualObjectMethod(JNIEnv* env, |
| 1014 | jobject obj, jclass clazz, jmethodID methodID, ...) { |
| 1015 | ScopedJniThreadState ts(env); |
| 1016 | va_list ap; |
| 1017 | va_start(ap, methodID); |
| 1018 | JValue result = InvokeWithVarArgs(ts, obj, methodID, ap); |
| 1019 | jobject local_result = AddLocalReference<jobject>(ts, result.l); |
| 1020 | va_end(ap); |
| 1021 | return local_result; |
| 1022 | } |
| 1023 | |
| 1024 | static jobject CallNonvirtualObjectMethodV(JNIEnv* env, |
| 1025 | jobject obj, jclass clazz, jmethodID methodID, va_list args) { |
| 1026 | ScopedJniThreadState ts(env); |
| 1027 | JValue result = InvokeWithVarArgs(ts, obj, methodID, args); |
| 1028 | return AddLocalReference<jobject>(ts, result.l); |
| 1029 | } |
| 1030 | |
| 1031 | static jobject CallNonvirtualObjectMethodA(JNIEnv* env, |
| 1032 | jobject obj, jclass clazz, jmethodID methodID, jvalue* args) { |
| 1033 | ScopedJniThreadState ts(env); |
| 1034 | JValue result = InvokeWithJValues(ts, obj, methodID, args); |
| 1035 | return AddLocalReference<jobject>(ts, result.l); |
| 1036 | } |
| 1037 | |
| 1038 | static jboolean CallNonvirtualBooleanMethod(JNIEnv* env, |
| 1039 | jobject obj, jclass clazz, jmethodID methodID, ...) { |
| 1040 | ScopedJniThreadState ts(env); |
| 1041 | va_list ap; |
| 1042 | va_start(ap, methodID); |
| 1043 | JValue result = InvokeWithVarArgs(ts, obj, methodID, ap); |
| 1044 | va_end(ap); |
| 1045 | return result.z; |
| 1046 | } |
| 1047 | |
| 1048 | static jboolean CallNonvirtualBooleanMethodV(JNIEnv* env, |
| 1049 | jobject obj, jclass clazz, jmethodID methodID, va_list args) { |
| 1050 | ScopedJniThreadState ts(env); |
| 1051 | return InvokeWithVarArgs(ts, obj, methodID, args).z; |
| 1052 | } |
| 1053 | |
| 1054 | static jboolean CallNonvirtualBooleanMethodA(JNIEnv* env, |
| 1055 | jobject obj, jclass clazz, jmethodID methodID, jvalue* args) { |
| 1056 | ScopedJniThreadState ts(env); |
| 1057 | return InvokeWithJValues(ts, obj, methodID, args).z; |
| 1058 | } |
| 1059 | |
| 1060 | static jbyte CallNonvirtualByteMethod(JNIEnv* env, |
| 1061 | jobject obj, jclass clazz, jmethodID methodID, ...) { |
| 1062 | ScopedJniThreadState ts(env); |
| 1063 | va_list ap; |
| 1064 | va_start(ap, methodID); |
| 1065 | JValue result = InvokeWithVarArgs(ts, obj, methodID, ap); |
| 1066 | va_end(ap); |
| 1067 | return result.b; |
| 1068 | } |
| 1069 | |
| 1070 | static jbyte CallNonvirtualByteMethodV(JNIEnv* env, |
| 1071 | jobject obj, jclass clazz, jmethodID methodID, va_list args) { |
| 1072 | ScopedJniThreadState ts(env); |
| 1073 | return InvokeWithVarArgs(ts, obj, methodID, args).b; |
| 1074 | } |
| 1075 | |
| 1076 | static jbyte CallNonvirtualByteMethodA(JNIEnv* env, |
| 1077 | jobject obj, jclass clazz, jmethodID methodID, jvalue* args) { |
| 1078 | ScopedJniThreadState ts(env); |
| 1079 | return InvokeWithJValues(ts, obj, methodID, args).b; |
| 1080 | } |
| 1081 | |
| 1082 | static jchar CallNonvirtualCharMethod(JNIEnv* env, |
| 1083 | jobject obj, jclass clazz, jmethodID methodID, ...) { |
| 1084 | ScopedJniThreadState ts(env); |
| 1085 | va_list ap; |
| 1086 | va_start(ap, methodID); |
| 1087 | JValue result = InvokeWithVarArgs(ts, obj, methodID, ap); |
| 1088 | va_end(ap); |
| 1089 | return result.c; |
| 1090 | } |
| 1091 | |
| 1092 | static jchar CallNonvirtualCharMethodV(JNIEnv* env, |
| 1093 | jobject obj, jclass clazz, jmethodID methodID, va_list args) { |
| 1094 | ScopedJniThreadState ts(env); |
| 1095 | return InvokeWithVarArgs(ts, obj, methodID, args).c; |
| 1096 | } |
| 1097 | |
| 1098 | static jchar CallNonvirtualCharMethodA(JNIEnv* env, |
| 1099 | jobject obj, jclass clazz, jmethodID methodID, jvalue* args) { |
| 1100 | ScopedJniThreadState ts(env); |
| 1101 | return InvokeWithJValues(ts, obj, methodID, args).c; |
| 1102 | } |
| 1103 | |
| 1104 | static jshort CallNonvirtualShortMethod(JNIEnv* env, |
| 1105 | jobject obj, jclass clazz, jmethodID methodID, ...) { |
| 1106 | ScopedJniThreadState ts(env); |
| 1107 | va_list ap; |
| 1108 | va_start(ap, methodID); |
| 1109 | JValue result = InvokeWithVarArgs(ts, obj, methodID, ap); |
| 1110 | va_end(ap); |
| 1111 | return result.s; |
| 1112 | } |
| 1113 | |
| 1114 | static jshort CallNonvirtualShortMethodV(JNIEnv* env, |
| 1115 | jobject obj, jclass clazz, jmethodID methodID, va_list args) { |
| 1116 | ScopedJniThreadState ts(env); |
| 1117 | return InvokeWithVarArgs(ts, obj, methodID, args).s; |
| 1118 | } |
| 1119 | |
| 1120 | static jshort CallNonvirtualShortMethodA(JNIEnv* env, |
| 1121 | jobject obj, jclass clazz, jmethodID methodID, jvalue* args) { |
| 1122 | ScopedJniThreadState ts(env); |
| 1123 | return InvokeWithJValues(ts, obj, methodID, args).s; |
| 1124 | } |
| 1125 | |
| 1126 | static jint CallNonvirtualIntMethod(JNIEnv* env, |
| 1127 | jobject obj, jclass clazz, jmethodID methodID, ...) { |
| 1128 | ScopedJniThreadState ts(env); |
| 1129 | va_list ap; |
| 1130 | va_start(ap, methodID); |
| 1131 | JValue result = InvokeWithVarArgs(ts, obj, methodID, ap); |
| 1132 | va_end(ap); |
| 1133 | return result.i; |
| 1134 | } |
| 1135 | |
| 1136 | static jint CallNonvirtualIntMethodV(JNIEnv* env, |
| 1137 | jobject obj, jclass clazz, jmethodID methodID, va_list args) { |
| 1138 | ScopedJniThreadState ts(env); |
| 1139 | return InvokeWithVarArgs(ts, obj, methodID, args).i; |
| 1140 | } |
| 1141 | |
| 1142 | static jint CallNonvirtualIntMethodA(JNIEnv* env, |
| 1143 | jobject obj, jclass clazz, jmethodID methodID, jvalue* args) { |
| 1144 | ScopedJniThreadState ts(env); |
| 1145 | return InvokeWithJValues(ts, obj, methodID, args).i; |
| 1146 | } |
| 1147 | |
| 1148 | static jlong CallNonvirtualLongMethod(JNIEnv* env, |
| 1149 | jobject obj, jclass clazz, jmethodID methodID, ...) { |
| 1150 | ScopedJniThreadState ts(env); |
| 1151 | va_list ap; |
| 1152 | va_start(ap, methodID); |
| 1153 | JValue result = InvokeWithVarArgs(ts, obj, methodID, ap); |
| 1154 | va_end(ap); |
| 1155 | return result.j; |
| 1156 | } |
| 1157 | |
| 1158 | static jlong CallNonvirtualLongMethodV(JNIEnv* env, |
| 1159 | jobject obj, jclass clazz, jmethodID methodID, va_list args) { |
| 1160 | ScopedJniThreadState ts(env); |
| 1161 | return InvokeWithVarArgs(ts, obj, methodID, args).j; |
| 1162 | } |
| 1163 | |
| 1164 | static jlong CallNonvirtualLongMethodA(JNIEnv* env, |
| 1165 | jobject obj, jclass clazz, jmethodID methodID, jvalue* args) { |
| 1166 | ScopedJniThreadState ts(env); |
| 1167 | return InvokeWithJValues(ts, obj, methodID, args).j; |
| 1168 | } |
| 1169 | |
| 1170 | static jfloat CallNonvirtualFloatMethod(JNIEnv* env, |
| 1171 | jobject obj, jclass clazz, jmethodID methodID, ...) { |
| 1172 | ScopedJniThreadState ts(env); |
| 1173 | va_list ap; |
| 1174 | va_start(ap, methodID); |
| 1175 | JValue result = InvokeWithVarArgs(ts, obj, methodID, ap); |
| 1176 | va_end(ap); |
| 1177 | return result.f; |
| 1178 | } |
| 1179 | |
| 1180 | static jfloat CallNonvirtualFloatMethodV(JNIEnv* env, |
| 1181 | jobject obj, jclass clazz, jmethodID methodID, va_list args) { |
| 1182 | ScopedJniThreadState ts(env); |
| 1183 | return InvokeWithVarArgs(ts, obj, methodID, args).f; |
| 1184 | } |
| 1185 | |
| 1186 | static jfloat CallNonvirtualFloatMethodA(JNIEnv* env, |
| 1187 | jobject obj, jclass clazz, jmethodID methodID, jvalue* args) { |
| 1188 | ScopedJniThreadState ts(env); |
| 1189 | return InvokeWithJValues(ts, obj, methodID, args).f; |
| 1190 | } |
| 1191 | |
| 1192 | static jdouble CallNonvirtualDoubleMethod(JNIEnv* env, |
| 1193 | jobject obj, jclass clazz, jmethodID methodID, ...) { |
| 1194 | ScopedJniThreadState ts(env); |
| 1195 | va_list ap; |
| 1196 | va_start(ap, methodID); |
| 1197 | JValue result = InvokeWithVarArgs(ts, obj, methodID, ap); |
| 1198 | va_end(ap); |
| 1199 | return result.d; |
| 1200 | } |
| 1201 | |
| 1202 | static jdouble CallNonvirtualDoubleMethodV(JNIEnv* env, |
| 1203 | jobject obj, jclass clazz, jmethodID methodID, va_list args) { |
| 1204 | ScopedJniThreadState ts(env); |
| 1205 | return InvokeWithVarArgs(ts, obj, methodID, args).d; |
| 1206 | } |
| 1207 | |
| 1208 | static jdouble CallNonvirtualDoubleMethodA(JNIEnv* env, |
| 1209 | jobject obj, jclass clazz, jmethodID methodID, jvalue* args) { |
| 1210 | ScopedJniThreadState ts(env); |
| 1211 | return InvokeWithJValues(ts, obj, methodID, args).d; |
| 1212 | } |
| 1213 | |
| 1214 | static void CallNonvirtualVoidMethod(JNIEnv* env, |
| 1215 | jobject obj, jclass clazz, jmethodID methodID, ...) { |
| 1216 | ScopedJniThreadState ts(env); |
| 1217 | va_list ap; |
| 1218 | va_start(ap, methodID); |
| 1219 | InvokeWithVarArgs(ts, obj, methodID, ap); |
| 1220 | va_end(ap); |
| 1221 | } |
| 1222 | |
| 1223 | static void CallNonvirtualVoidMethodV(JNIEnv* env, |
| 1224 | jobject obj, jclass clazz, jmethodID methodID, va_list args) { |
| 1225 | ScopedJniThreadState ts(env); |
| 1226 | InvokeWithVarArgs(ts, obj, methodID, args); |
| 1227 | } |
| 1228 | |
| 1229 | static void CallNonvirtualVoidMethodA(JNIEnv* env, |
| 1230 | jobject obj, jclass clazz, jmethodID methodID, jvalue* args) { |
| 1231 | ScopedJniThreadState ts(env); |
| 1232 | InvokeWithJValues(ts, obj, methodID, args); |
| 1233 | } |
| 1234 | |
| 1235 | static jfieldID GetFieldID(JNIEnv* env, |
| 1236 | jclass c, const char* name, const char* sig) { |
| 1237 | ScopedJniThreadState ts(env); |
| 1238 | return FindFieldID(ts, c, name, sig, false); |
| 1239 | } |
Carl Shapiro | ea4dca8 | 2011-08-01 13:45:38 -0700 | [diff] [blame] | 1240 | |
| 1241 | |
Elliott Hughes | cdf5312 | 2011-08-19 15:46:09 -0700 | [diff] [blame] | 1242 | static jfieldID GetStaticFieldID(JNIEnv* env, |
| 1243 | jclass c, const char* name, const char* sig) { |
| 1244 | ScopedJniThreadState ts(env); |
| 1245 | return FindFieldID(ts, c, name, sig, true); |
| 1246 | } |
Carl Shapiro | ea4dca8 | 2011-08-01 13:45:38 -0700 | [diff] [blame] | 1247 | |
Elliott Hughes | cdf5312 | 2011-08-19 15:46:09 -0700 | [diff] [blame] | 1248 | static jobject GetObjectField(JNIEnv* env, jobject obj, jfieldID fieldID) { |
| 1249 | ScopedJniThreadState ts(env); |
| 1250 | UNIMPLEMENTED(FATAL); |
| 1251 | return NULL; |
| 1252 | } |
Carl Shapiro | ea4dca8 | 2011-08-01 13:45:38 -0700 | [diff] [blame] | 1253 | |
Elliott Hughes | cdf5312 | 2011-08-19 15:46:09 -0700 | [diff] [blame] | 1254 | static jboolean GetBooleanField(JNIEnv* env, jobject obj, jfieldID fieldID) { |
| 1255 | ScopedJniThreadState ts(env); |
| 1256 | UNIMPLEMENTED(FATAL); |
| 1257 | return JNI_FALSE; |
| 1258 | } |
| 1259 | |
| 1260 | static jbyte GetByteField(JNIEnv* env, jobject obj, jfieldID fieldID) { |
| 1261 | ScopedJniThreadState ts(env); |
| 1262 | UNIMPLEMENTED(FATAL); |
| 1263 | return 0; |
| 1264 | } |
| 1265 | |
| 1266 | static jchar GetCharField(JNIEnv* env, jobject obj, jfieldID fieldID) { |
| 1267 | ScopedJniThreadState ts(env); |
| 1268 | UNIMPLEMENTED(FATAL); |
| 1269 | return 0; |
| 1270 | } |
| 1271 | |
| 1272 | static jshort GetShortField(JNIEnv* env, jobject obj, jfieldID fieldID) { |
| 1273 | ScopedJniThreadState ts(env); |
| 1274 | UNIMPLEMENTED(FATAL); |
| 1275 | return 0; |
| 1276 | } |
| 1277 | |
| 1278 | static jint GetIntField(JNIEnv* env, jobject obj, jfieldID fieldID) { |
| 1279 | ScopedJniThreadState ts(env); |
| 1280 | UNIMPLEMENTED(FATAL); |
| 1281 | return 0; |
| 1282 | } |
| 1283 | |
| 1284 | static jlong GetLongField(JNIEnv* env, jobject obj, jfieldID fieldID) { |
| 1285 | ScopedJniThreadState ts(env); |
| 1286 | UNIMPLEMENTED(FATAL); |
| 1287 | return 0; |
| 1288 | } |
| 1289 | |
| 1290 | static jfloat GetFloatField(JNIEnv* env, jobject obj, jfieldID fieldID) { |
| 1291 | ScopedJniThreadState ts(env); |
| 1292 | UNIMPLEMENTED(FATAL); |
| 1293 | return 0; |
| 1294 | } |
| 1295 | |
| 1296 | static jdouble GetDoubleField(JNIEnv* env, jobject obj, jfieldID fieldID) { |
| 1297 | ScopedJniThreadState ts(env); |
| 1298 | UNIMPLEMENTED(FATAL); |
| 1299 | return 0; |
| 1300 | } |
| 1301 | |
| 1302 | static void SetObjectField(JNIEnv* env, jobject obj, jfieldID fieldID, jobject val) { |
| 1303 | ScopedJniThreadState ts(env); |
| 1304 | UNIMPLEMENTED(FATAL); |
| 1305 | } |
| 1306 | |
| 1307 | static void SetBooleanField(JNIEnv* env, jobject obj, jfieldID fieldID, jboolean val) { |
| 1308 | ScopedJniThreadState ts(env); |
| 1309 | UNIMPLEMENTED(FATAL); |
| 1310 | } |
| 1311 | |
| 1312 | static void SetByteField(JNIEnv* env, jobject obj, jfieldID fieldID, jbyte val) { |
| 1313 | ScopedJniThreadState ts(env); |
| 1314 | UNIMPLEMENTED(FATAL); |
| 1315 | } |
| 1316 | |
| 1317 | static void SetCharField(JNIEnv* env, jobject obj, jfieldID fieldID, jchar val) { |
| 1318 | ScopedJniThreadState ts(env); |
| 1319 | UNIMPLEMENTED(FATAL); |
| 1320 | } |
| 1321 | |
| 1322 | static void SetShortField(JNIEnv* env, jobject obj, jfieldID fieldID, jshort val) { |
| 1323 | ScopedJniThreadState ts(env); |
| 1324 | UNIMPLEMENTED(FATAL); |
| 1325 | } |
| 1326 | |
| 1327 | static void SetIntField(JNIEnv* env, jobject obj, jfieldID fieldID, jint val) { |
| 1328 | ScopedJniThreadState ts(env); |
| 1329 | UNIMPLEMENTED(FATAL); |
| 1330 | } |
| 1331 | |
| 1332 | static void SetLongField(JNIEnv* env, jobject obj, jfieldID fieldID, jlong val) { |
| 1333 | ScopedJniThreadState ts(env); |
| 1334 | UNIMPLEMENTED(FATAL); |
| 1335 | } |
| 1336 | |
| 1337 | static void SetFloatField(JNIEnv* env, jobject obj, jfieldID fieldID, jfloat val) { |
| 1338 | ScopedJniThreadState ts(env); |
| 1339 | UNIMPLEMENTED(FATAL); |
| 1340 | } |
| 1341 | |
| 1342 | static void SetDoubleField(JNIEnv* env, jobject obj, jfieldID fieldID, jdouble val) { |
| 1343 | ScopedJniThreadState ts(env); |
| 1344 | UNIMPLEMENTED(FATAL); |
| 1345 | } |
| 1346 | |
| 1347 | static jobject CallStaticObjectMethod(JNIEnv* env, |
| 1348 | jclass clazz, jmethodID methodID, ...) { |
| 1349 | ScopedJniThreadState ts(env); |
| 1350 | va_list ap; |
| 1351 | va_start(ap, methodID); |
| 1352 | JValue result = InvokeWithVarArgs(ts, NULL, methodID, ap); |
| 1353 | jobject local_result = AddLocalReference<jobject>(ts, result.l); |
| 1354 | va_end(ap); |
| 1355 | return local_result; |
| 1356 | } |
| 1357 | |
| 1358 | static jobject CallStaticObjectMethodV(JNIEnv* env, |
| 1359 | jclass clazz, jmethodID methodID, va_list args) { |
| 1360 | ScopedJniThreadState ts(env); |
| 1361 | JValue result = InvokeWithVarArgs(ts, NULL, methodID, args); |
| 1362 | return AddLocalReference<jobject>(ts, result.l); |
| 1363 | } |
| 1364 | |
| 1365 | static jobject CallStaticObjectMethodA(JNIEnv* env, |
| 1366 | jclass clazz, jmethodID methodID, jvalue* args) { |
| 1367 | ScopedJniThreadState ts(env); |
| 1368 | JValue result = InvokeWithJValues(ts, NULL, methodID, args); |
| 1369 | return AddLocalReference<jobject>(ts, result.l); |
| 1370 | } |
| 1371 | |
| 1372 | static jboolean CallStaticBooleanMethod(JNIEnv* env, |
| 1373 | jclass clazz, jmethodID methodID, ...) { |
| 1374 | ScopedJniThreadState ts(env); |
| 1375 | va_list ap; |
| 1376 | va_start(ap, methodID); |
| 1377 | JValue result = InvokeWithVarArgs(ts, NULL, methodID, ap); |
| 1378 | va_end(ap); |
| 1379 | return result.z; |
| 1380 | } |
| 1381 | |
| 1382 | static jboolean CallStaticBooleanMethodV(JNIEnv* env, |
| 1383 | jclass clazz, jmethodID methodID, va_list args) { |
| 1384 | ScopedJniThreadState ts(env); |
| 1385 | return InvokeWithVarArgs(ts, NULL, methodID, args).z; |
| 1386 | } |
| 1387 | |
| 1388 | static jboolean CallStaticBooleanMethodA(JNIEnv* env, |
| 1389 | jclass clazz, jmethodID methodID, jvalue* args) { |
| 1390 | ScopedJniThreadState ts(env); |
| 1391 | return InvokeWithJValues(ts, NULL, methodID, args).z; |
| 1392 | } |
| 1393 | |
| 1394 | static jbyte CallStaticByteMethod(JNIEnv* env, jclass clazz, jmethodID methodID, ...) { |
| 1395 | ScopedJniThreadState ts(env); |
| 1396 | va_list ap; |
| 1397 | va_start(ap, methodID); |
| 1398 | JValue result = InvokeWithVarArgs(ts, NULL, methodID, ap); |
| 1399 | va_end(ap); |
| 1400 | return result.b; |
| 1401 | } |
| 1402 | |
| 1403 | static jbyte CallStaticByteMethodV(JNIEnv* env, |
| 1404 | jclass clazz, jmethodID methodID, va_list args) { |
| 1405 | ScopedJniThreadState ts(env); |
| 1406 | return InvokeWithVarArgs(ts, NULL, methodID, args).b; |
| 1407 | } |
| 1408 | |
| 1409 | static jbyte CallStaticByteMethodA(JNIEnv* env, |
| 1410 | jclass clazz, jmethodID methodID, jvalue* args) { |
| 1411 | ScopedJniThreadState ts(env); |
| 1412 | return InvokeWithJValues(ts, NULL, methodID, args).b; |
| 1413 | } |
| 1414 | |
| 1415 | static jchar CallStaticCharMethod(JNIEnv* env, jclass clazz, jmethodID methodID, ...) { |
| 1416 | ScopedJniThreadState ts(env); |
| 1417 | va_list ap; |
| 1418 | va_start(ap, methodID); |
| 1419 | JValue result = InvokeWithVarArgs(ts, NULL, methodID, ap); |
| 1420 | va_end(ap); |
| 1421 | return result.c; |
| 1422 | } |
| 1423 | |
| 1424 | static jchar CallStaticCharMethodV(JNIEnv* env, |
| 1425 | jclass clazz, jmethodID methodID, va_list args) { |
| 1426 | ScopedJniThreadState ts(env); |
| 1427 | return InvokeWithVarArgs(ts, NULL, methodID, args).c; |
| 1428 | } |
| 1429 | |
| 1430 | static jchar CallStaticCharMethodA(JNIEnv* env, |
| 1431 | jclass clazz, jmethodID methodID, jvalue* args) { |
| 1432 | ScopedJniThreadState ts(env); |
| 1433 | return InvokeWithJValues(ts, NULL, methodID, args).c; |
| 1434 | } |
| 1435 | |
| 1436 | static jshort CallStaticShortMethod(JNIEnv* env, jclass clazz, jmethodID methodID, ...) { |
| 1437 | ScopedJniThreadState ts(env); |
| 1438 | va_list ap; |
| 1439 | va_start(ap, methodID); |
| 1440 | JValue result = InvokeWithVarArgs(ts, NULL, methodID, ap); |
| 1441 | va_end(ap); |
| 1442 | return result.s; |
| 1443 | } |
| 1444 | |
| 1445 | static jshort CallStaticShortMethodV(JNIEnv* env, |
| 1446 | jclass clazz, jmethodID methodID, va_list args) { |
| 1447 | ScopedJniThreadState ts(env); |
| 1448 | return InvokeWithVarArgs(ts, NULL, methodID, args).s; |
| 1449 | } |
| 1450 | |
| 1451 | static jshort CallStaticShortMethodA(JNIEnv* env, |
| 1452 | jclass clazz, jmethodID methodID, jvalue* args) { |
| 1453 | ScopedJniThreadState ts(env); |
| 1454 | return InvokeWithJValues(ts, NULL, methodID, args).s; |
| 1455 | } |
| 1456 | |
| 1457 | static jint CallStaticIntMethod(JNIEnv* env, jclass clazz, jmethodID methodID, ...) { |
| 1458 | ScopedJniThreadState ts(env); |
| 1459 | va_list ap; |
| 1460 | va_start(ap, methodID); |
| 1461 | JValue result = InvokeWithVarArgs(ts, NULL, methodID, ap); |
| 1462 | va_end(ap); |
| 1463 | return result.i; |
| 1464 | } |
| 1465 | |
| 1466 | static jint CallStaticIntMethodV(JNIEnv* env, |
| 1467 | jclass clazz, jmethodID methodID, va_list args) { |
| 1468 | ScopedJniThreadState ts(env); |
| 1469 | return InvokeWithVarArgs(ts, NULL, methodID, args).i; |
| 1470 | } |
| 1471 | |
| 1472 | static jint CallStaticIntMethodA(JNIEnv* env, |
| 1473 | jclass clazz, jmethodID methodID, jvalue* args) { |
| 1474 | ScopedJniThreadState ts(env); |
| 1475 | return InvokeWithJValues(ts, NULL, methodID, args).i; |
| 1476 | } |
| 1477 | |
| 1478 | static jlong CallStaticLongMethod(JNIEnv* env, jclass clazz, jmethodID methodID, ...) { |
| 1479 | ScopedJniThreadState ts(env); |
| 1480 | va_list ap; |
| 1481 | va_start(ap, methodID); |
| 1482 | JValue result = InvokeWithVarArgs(ts, NULL, methodID, ap); |
| 1483 | va_end(ap); |
| 1484 | return result.j; |
| 1485 | } |
| 1486 | |
| 1487 | static jlong CallStaticLongMethodV(JNIEnv* env, |
| 1488 | jclass clazz, jmethodID methodID, va_list args) { |
| 1489 | ScopedJniThreadState ts(env); |
| 1490 | return InvokeWithVarArgs(ts, NULL, methodID, args).j; |
| 1491 | } |
| 1492 | |
| 1493 | static jlong CallStaticLongMethodA(JNIEnv* env, |
| 1494 | jclass clazz, jmethodID methodID, jvalue* args) { |
| 1495 | ScopedJniThreadState ts(env); |
| 1496 | return InvokeWithJValues(ts, NULL, methodID, args).j; |
| 1497 | } |
| 1498 | |
| 1499 | static jfloat CallStaticFloatMethod(JNIEnv* env, jclass cls, jmethodID methodID, ...) { |
| 1500 | ScopedJniThreadState ts(env); |
| 1501 | va_list ap; |
| 1502 | va_start(ap, methodID); |
| 1503 | JValue result = InvokeWithVarArgs(ts, NULL, methodID, ap); |
| 1504 | va_end(ap); |
| 1505 | return result.f; |
| 1506 | } |
| 1507 | |
| 1508 | static jfloat CallStaticFloatMethodV(JNIEnv* env, |
| 1509 | jclass clazz, jmethodID methodID, va_list args) { |
| 1510 | ScopedJniThreadState ts(env); |
| 1511 | return InvokeWithVarArgs(ts, NULL, methodID, args).f; |
| 1512 | } |
| 1513 | |
| 1514 | static jfloat CallStaticFloatMethodA(JNIEnv* env, |
| 1515 | jclass clazz, jmethodID methodID, jvalue* args) { |
| 1516 | ScopedJniThreadState ts(env); |
| 1517 | return InvokeWithJValues(ts, NULL, methodID, args).f; |
| 1518 | } |
| 1519 | |
| 1520 | static jdouble CallStaticDoubleMethod(JNIEnv* env, jclass cls, jmethodID methodID, ...) { |
| 1521 | ScopedJniThreadState ts(env); |
| 1522 | va_list ap; |
| 1523 | va_start(ap, methodID); |
| 1524 | JValue result = InvokeWithVarArgs(ts, NULL, methodID, ap); |
| 1525 | va_end(ap); |
| 1526 | return result.d; |
| 1527 | } |
| 1528 | |
| 1529 | static jdouble CallStaticDoubleMethodV(JNIEnv* env, |
| 1530 | jclass clazz, jmethodID methodID, va_list args) { |
| 1531 | ScopedJniThreadState ts(env); |
| 1532 | return InvokeWithVarArgs(ts, NULL, methodID, args).d; |
| 1533 | } |
| 1534 | |
| 1535 | static jdouble CallStaticDoubleMethodA(JNIEnv* env, |
| 1536 | jclass clazz, jmethodID methodID, jvalue* args) { |
| 1537 | ScopedJniThreadState ts(env); |
| 1538 | return InvokeWithJValues(ts, NULL, methodID, args).d; |
| 1539 | } |
| 1540 | |
| 1541 | static void CallStaticVoidMethod(JNIEnv* env, jclass cls, jmethodID methodID, ...) { |
| 1542 | ScopedJniThreadState ts(env); |
| 1543 | va_list ap; |
| 1544 | va_start(ap, methodID); |
| 1545 | InvokeWithVarArgs(ts, NULL, methodID, ap); |
| 1546 | va_end(ap); |
| 1547 | } |
| 1548 | |
| 1549 | static void CallStaticVoidMethodV(JNIEnv* env, |
| 1550 | jclass cls, jmethodID methodID, va_list args) { |
| 1551 | ScopedJniThreadState ts(env); |
| 1552 | InvokeWithVarArgs(ts, NULL, methodID, args); |
| 1553 | } |
| 1554 | |
| 1555 | static void CallStaticVoidMethodA(JNIEnv* env, |
| 1556 | jclass cls, jmethodID methodID, jvalue* args) { |
| 1557 | ScopedJniThreadState ts(env); |
| 1558 | InvokeWithJValues(ts, NULL, methodID, args); |
| 1559 | } |
| 1560 | |
| 1561 | static jobject GetStaticObjectField(JNIEnv* env, jclass clazz, jfieldID fieldID) { |
| 1562 | ScopedJniThreadState ts(env); |
| 1563 | UNIMPLEMENTED(FATAL); |
| 1564 | return NULL; |
| 1565 | } |
| 1566 | |
| 1567 | static jboolean GetStaticBooleanField(JNIEnv* env, jclass clazz, jfieldID fieldID) { |
| 1568 | ScopedJniThreadState ts(env); |
| 1569 | UNIMPLEMENTED(FATAL); |
| 1570 | return JNI_FALSE; |
| 1571 | } |
| 1572 | |
| 1573 | static jbyte GetStaticByteField(JNIEnv* env, jclass clazz, jfieldID fieldID) { |
| 1574 | ScopedJniThreadState ts(env); |
| 1575 | UNIMPLEMENTED(FATAL); |
| 1576 | return 0; |
| 1577 | } |
| 1578 | |
| 1579 | static jchar GetStaticCharField(JNIEnv* env, jclass clazz, jfieldID fieldID) { |
| 1580 | ScopedJniThreadState ts(env); |
| 1581 | UNIMPLEMENTED(FATAL); |
| 1582 | return 0; |
| 1583 | } |
| 1584 | |
| 1585 | static jshort GetStaticShortField(JNIEnv* env, jclass clazz, jfieldID fieldID) { |
| 1586 | ScopedJniThreadState ts(env); |
| 1587 | UNIMPLEMENTED(FATAL); |
| 1588 | return 0; |
| 1589 | } |
| 1590 | |
| 1591 | static jint GetStaticIntField(JNIEnv* env, jclass clazz, jfieldID fieldID) { |
| 1592 | ScopedJniThreadState ts(env); |
| 1593 | UNIMPLEMENTED(FATAL); |
| 1594 | return 0; |
| 1595 | } |
| 1596 | |
| 1597 | static jlong GetStaticLongField(JNIEnv* env, jclass clazz, jfieldID fieldID) { |
| 1598 | ScopedJniThreadState ts(env); |
| 1599 | UNIMPLEMENTED(FATAL); |
| 1600 | return 0; |
| 1601 | } |
| 1602 | |
| 1603 | static jfloat GetStaticFloatField(JNIEnv* env, jclass clazz, jfieldID fieldID) { |
| 1604 | ScopedJniThreadState ts(env); |
| 1605 | UNIMPLEMENTED(FATAL); |
| 1606 | return 0; |
| 1607 | } |
| 1608 | |
| 1609 | static jdouble GetStaticDoubleField(JNIEnv* env, jclass clazz, jfieldID fieldID) { |
| 1610 | ScopedJniThreadState ts(env); |
| 1611 | UNIMPLEMENTED(FATAL); |
| 1612 | return 0; |
| 1613 | } |
| 1614 | |
| 1615 | static void SetStaticObjectField(JNIEnv* env, |
| 1616 | jclass clazz, jfieldID fieldID, jobject value) { |
| 1617 | ScopedJniThreadState ts(env); |
| 1618 | UNIMPLEMENTED(FATAL); |
| 1619 | } |
| 1620 | |
| 1621 | static void SetStaticBooleanField(JNIEnv* env, |
| 1622 | jclass clazz, jfieldID fieldID, jboolean value) { |
| 1623 | ScopedJniThreadState ts(env); |
| 1624 | UNIMPLEMENTED(FATAL); |
| 1625 | } |
| 1626 | |
| 1627 | static void SetStaticByteField(JNIEnv* env, |
| 1628 | jclass clazz, jfieldID fieldID, jbyte value) { |
| 1629 | ScopedJniThreadState ts(env); |
| 1630 | UNIMPLEMENTED(FATAL); |
| 1631 | } |
| 1632 | |
| 1633 | static void SetStaticCharField(JNIEnv* env, |
| 1634 | jclass clazz, jfieldID fieldID, jchar value) { |
| 1635 | ScopedJniThreadState ts(env); |
| 1636 | UNIMPLEMENTED(FATAL); |
| 1637 | } |
| 1638 | |
| 1639 | static void SetStaticShortField(JNIEnv* env, |
| 1640 | jclass clazz, jfieldID fieldID, jshort value) { |
| 1641 | ScopedJniThreadState ts(env); |
| 1642 | UNIMPLEMENTED(FATAL); |
| 1643 | } |
| 1644 | |
| 1645 | static void SetStaticIntField(JNIEnv* env, |
| 1646 | jclass clazz, jfieldID fieldID, jint value) { |
| 1647 | ScopedJniThreadState ts(env); |
| 1648 | UNIMPLEMENTED(FATAL); |
| 1649 | } |
| 1650 | |
| 1651 | static void SetStaticLongField(JNIEnv* env, |
| 1652 | jclass clazz, jfieldID fieldID, jlong value) { |
| 1653 | ScopedJniThreadState ts(env); |
| 1654 | UNIMPLEMENTED(FATAL); |
| 1655 | } |
| 1656 | |
| 1657 | static void SetStaticFloatField(JNIEnv* env, |
| 1658 | jclass clazz, jfieldID fieldID, jfloat value) { |
| 1659 | ScopedJniThreadState ts(env); |
| 1660 | UNIMPLEMENTED(FATAL); |
| 1661 | } |
| 1662 | |
| 1663 | static void SetStaticDoubleField(JNIEnv* env, |
| 1664 | jclass clazz, jfieldID fieldID, jdouble value) { |
| 1665 | ScopedJniThreadState ts(env); |
| 1666 | UNIMPLEMENTED(FATAL); |
| 1667 | } |
| 1668 | |
| 1669 | static jstring NewString(JNIEnv* env, const jchar* unicode, jsize len) { |
| 1670 | ScopedJniThreadState ts(env); |
| 1671 | UNIMPLEMENTED(FATAL); |
| 1672 | return NULL; |
| 1673 | } |
| 1674 | |
| 1675 | static jsize GetStringLength(JNIEnv* env, jstring str) { |
| 1676 | ScopedJniThreadState ts(env); |
| 1677 | UNIMPLEMENTED(FATAL); |
| 1678 | return 0; |
| 1679 | } |
| 1680 | |
| 1681 | static const jchar* GetStringChars(JNIEnv* env, jstring str, jboolean* isCopy) { |
| 1682 | ScopedJniThreadState ts(env); |
| 1683 | UNIMPLEMENTED(FATAL); |
| 1684 | return NULL; |
| 1685 | } |
| 1686 | |
| 1687 | static void ReleaseStringChars(JNIEnv* env, jstring str, const jchar* chars) { |
| 1688 | ScopedJniThreadState ts(env); |
| 1689 | UNIMPLEMENTED(FATAL); |
| 1690 | } |
| 1691 | |
| 1692 | static jstring NewStringUTF(JNIEnv* env, const char* utf) { |
| 1693 | ScopedJniThreadState ts(env); |
| 1694 | if (utf == NULL) { |
| 1695 | return NULL; |
| 1696 | } |
| 1697 | String* result = String::AllocFromModifiedUtf8(utf); |
| 1698 | return AddLocalReference<jstring>(ts, result); |
| 1699 | } |
| 1700 | |
| 1701 | static jsize GetStringUTFLength(JNIEnv* env, jstring str) { |
| 1702 | ScopedJniThreadState ts(env); |
| 1703 | UNIMPLEMENTED(FATAL); |
| 1704 | return 0; |
| 1705 | } |
| 1706 | |
| 1707 | static const char* GetStringUTFChars(JNIEnv* env, jstring str, jboolean* isCopy) { |
| 1708 | ScopedJniThreadState ts(env); |
| 1709 | UNIMPLEMENTED(FATAL); |
| 1710 | return NULL; |
| 1711 | } |
| 1712 | |
| 1713 | static void ReleaseStringUTFChars(JNIEnv* env, jstring str, const char* chars) { |
| 1714 | ScopedJniThreadState ts(env); |
| 1715 | UNIMPLEMENTED(FATAL); |
| 1716 | } |
| 1717 | |
Elliott Hughes | bd93599 | 2011-08-22 11:59:34 -0700 | [diff] [blame^] | 1718 | static jsize GetArrayLength(JNIEnv* env, jarray java_array) { |
Elliott Hughes | cdf5312 | 2011-08-19 15:46:09 -0700 | [diff] [blame] | 1719 | ScopedJniThreadState ts(env); |
Elliott Hughes | bd93599 | 2011-08-22 11:59:34 -0700 | [diff] [blame^] | 1720 | Object* obj = Decode<Object*>(ts, java_array); |
| 1721 | CHECK(obj->IsArray()); // TODO: ReportJniError |
| 1722 | Array* array = obj->AsArray(); |
| 1723 | return array->GetLength(); |
Elliott Hughes | cdf5312 | 2011-08-19 15:46:09 -0700 | [diff] [blame] | 1724 | } |
| 1725 | |
| 1726 | static jobject GetObjectArrayElement(JNIEnv* env, jobjectArray array, jsize index) { |
| 1727 | ScopedJniThreadState ts(env); |
| 1728 | UNIMPLEMENTED(FATAL); |
| 1729 | return NULL; |
| 1730 | } |
| 1731 | |
| 1732 | static void SetObjectArrayElement(JNIEnv* env, |
| 1733 | jobjectArray java_array, jsize index, jobject java_value) { |
| 1734 | ScopedJniThreadState ts(env); |
| 1735 | ObjectArray<Object>* array = Decode<ObjectArray<Object>*>(ts, java_array); |
| 1736 | Object* value = Decode<Object*>(ts, java_value); |
| 1737 | array->Set(index, value); |
| 1738 | } |
| 1739 | |
| 1740 | static jbooleanArray NewBooleanArray(JNIEnv* env, jsize length) { |
| 1741 | ScopedJniThreadState ts(env); |
| 1742 | return NewPrimitiveArray<jbooleanArray, BooleanArray>(ts, length); |
| 1743 | } |
| 1744 | |
| 1745 | static jbyteArray NewByteArray(JNIEnv* env, jsize length) { |
| 1746 | ScopedJniThreadState ts(env); |
| 1747 | return NewPrimitiveArray<jbyteArray, ByteArray>(ts, length); |
| 1748 | } |
| 1749 | |
| 1750 | static jcharArray NewCharArray(JNIEnv* env, jsize length) { |
| 1751 | ScopedJniThreadState ts(env); |
| 1752 | return NewPrimitiveArray<jcharArray, CharArray>(ts, length); |
| 1753 | } |
| 1754 | |
| 1755 | static jdoubleArray NewDoubleArray(JNIEnv* env, jsize length) { |
| 1756 | ScopedJniThreadState ts(env); |
| 1757 | return NewPrimitiveArray<jdoubleArray, DoubleArray>(ts, length); |
| 1758 | } |
| 1759 | |
| 1760 | static jfloatArray NewFloatArray(JNIEnv* env, jsize length) { |
| 1761 | ScopedJniThreadState ts(env); |
| 1762 | return NewPrimitiveArray<jfloatArray, FloatArray>(ts, length); |
| 1763 | } |
| 1764 | |
| 1765 | static jintArray NewIntArray(JNIEnv* env, jsize length) { |
| 1766 | ScopedJniThreadState ts(env); |
| 1767 | return NewPrimitiveArray<jintArray, IntArray>(ts, length); |
| 1768 | } |
| 1769 | |
| 1770 | static jlongArray NewLongArray(JNIEnv* env, jsize length) { |
| 1771 | ScopedJniThreadState ts(env); |
| 1772 | return NewPrimitiveArray<jlongArray, LongArray>(ts, length); |
| 1773 | } |
| 1774 | |
| 1775 | static jobjectArray NewObjectArray(JNIEnv* env, jsize length, jclass element_jclass, jobject initial_element) { |
| 1776 | ScopedJniThreadState ts(env); |
| 1777 | CHECK_GE(length, 0); // TODO: ReportJniError |
| 1778 | |
| 1779 | // Compute the array class corresponding to the given element class. |
| 1780 | Class* element_class = Decode<Class*>(ts, element_jclass); |
| 1781 | std::string descriptor; |
| 1782 | descriptor += "["; |
Brian Carlstrom | 9cff8e1 | 2011-08-18 16:47:29 -0700 | [diff] [blame] | 1783 | descriptor += element_class->GetDescriptor()->ToModifiedUtf8(); |
Elliott Hughes | cdf5312 | 2011-08-19 15:46:09 -0700 | [diff] [blame] | 1784 | |
| 1785 | // Find the class. |
| 1786 | ClassLinker* class_linker = Runtime::Current()->GetClassLinker(); |
| 1787 | // TODO: need to get the appropriate ClassLoader. |
| 1788 | Class* array_class = class_linker->FindClass(descriptor, NULL); |
| 1789 | if (array_class == NULL) { |
| 1790 | return NULL; |
| 1791 | } |
| 1792 | |
| 1793 | ObjectArray<Object>* result = ObjectArray<Object>::Alloc(array_class, length); |
| 1794 | CHECK(initial_element == NULL); // TODO: support initial_element |
| 1795 | return AddLocalReference<jobjectArray>(ts, result); |
| 1796 | } |
| 1797 | |
| 1798 | static jshortArray NewShortArray(JNIEnv* env, jsize length) { |
| 1799 | ScopedJniThreadState ts(env); |
| 1800 | return NewPrimitiveArray<jshortArray, ShortArray>(ts, length); |
| 1801 | } |
| 1802 | |
| 1803 | static jboolean* GetBooleanArrayElements(JNIEnv* env, |
| 1804 | jbooleanArray array, jboolean* isCopy) { |
| 1805 | ScopedJniThreadState ts(env); |
| 1806 | UNIMPLEMENTED(FATAL); |
| 1807 | return NULL; |
| 1808 | } |
| 1809 | |
| 1810 | static jbyte* GetByteArrayElements(JNIEnv* env, jbyteArray array, jboolean* isCopy) { |
| 1811 | ScopedJniThreadState ts(env); |
| 1812 | UNIMPLEMENTED(FATAL); |
| 1813 | return NULL; |
| 1814 | } |
| 1815 | |
| 1816 | static jchar* GetCharArrayElements(JNIEnv* env, jcharArray array, jboolean* isCopy) { |
| 1817 | ScopedJniThreadState ts(env); |
| 1818 | UNIMPLEMENTED(FATAL); |
| 1819 | return NULL; |
| 1820 | } |
| 1821 | |
| 1822 | static jshort* GetShortArrayElements(JNIEnv* env, |
| 1823 | jshortArray array, jboolean* isCopy) { |
| 1824 | ScopedJniThreadState ts(env); |
| 1825 | UNIMPLEMENTED(FATAL); |
| 1826 | return NULL; |
| 1827 | } |
| 1828 | |
| 1829 | static jint* GetIntArrayElements(JNIEnv* env, jintArray array, jboolean* isCopy) { |
| 1830 | ScopedJniThreadState ts(env); |
| 1831 | UNIMPLEMENTED(FATAL); |
| 1832 | return NULL; |
| 1833 | } |
| 1834 | |
| 1835 | static jlong* GetLongArrayElements(JNIEnv* env, jlongArray array, jboolean* isCopy) { |
| 1836 | ScopedJniThreadState ts(env); |
| 1837 | UNIMPLEMENTED(FATAL); |
| 1838 | return NULL; |
| 1839 | } |
| 1840 | |
| 1841 | static jfloat* GetFloatArrayElements(JNIEnv* env, |
| 1842 | jfloatArray array, jboolean* isCopy) { |
| 1843 | ScopedJniThreadState ts(env); |
| 1844 | UNIMPLEMENTED(FATAL); |
| 1845 | return NULL; |
| 1846 | } |
| 1847 | |
| 1848 | static jdouble* GetDoubleArrayElements(JNIEnv* env, |
| 1849 | jdoubleArray array, jboolean* isCopy) { |
| 1850 | ScopedJniThreadState ts(env); |
| 1851 | UNIMPLEMENTED(FATAL); |
| 1852 | return NULL; |
| 1853 | } |
| 1854 | |
| 1855 | static void ReleaseBooleanArrayElements(JNIEnv* env, |
| 1856 | jbooleanArray array, jboolean* elems, jint mode) { |
| 1857 | ScopedJniThreadState ts(env); |
| 1858 | UNIMPLEMENTED(FATAL); |
| 1859 | } |
| 1860 | |
| 1861 | static void ReleaseByteArrayElements(JNIEnv* env, |
| 1862 | jbyteArray array, jbyte* elems, jint mode) { |
| 1863 | ScopedJniThreadState ts(env); |
| 1864 | UNIMPLEMENTED(FATAL); |
| 1865 | } |
| 1866 | |
| 1867 | static void ReleaseCharArrayElements(JNIEnv* env, |
| 1868 | jcharArray array, jchar* elems, jint mode) { |
| 1869 | ScopedJniThreadState ts(env); |
| 1870 | UNIMPLEMENTED(FATAL); |
| 1871 | } |
| 1872 | |
| 1873 | static void ReleaseShortArrayElements(JNIEnv* env, |
| 1874 | jshortArray array, jshort* elems, jint mode) { |
| 1875 | ScopedJniThreadState ts(env); |
| 1876 | UNIMPLEMENTED(FATAL); |
| 1877 | } |
| 1878 | |
| 1879 | static void ReleaseIntArrayElements(JNIEnv* env, |
| 1880 | jintArray array, jint* elems, jint mode) { |
| 1881 | ScopedJniThreadState ts(env); |
| 1882 | UNIMPLEMENTED(FATAL); |
| 1883 | } |
| 1884 | |
| 1885 | static void ReleaseLongArrayElements(JNIEnv* env, |
| 1886 | jlongArray array, jlong* elems, jint mode) { |
| 1887 | ScopedJniThreadState ts(env); |
| 1888 | UNIMPLEMENTED(FATAL); |
| 1889 | } |
| 1890 | |
| 1891 | static void ReleaseFloatArrayElements(JNIEnv* env, |
| 1892 | jfloatArray array, jfloat* elems, jint mode) { |
| 1893 | ScopedJniThreadState ts(env); |
| 1894 | UNIMPLEMENTED(FATAL); |
| 1895 | } |
| 1896 | |
| 1897 | static void ReleaseDoubleArrayElements(JNIEnv* env, |
| 1898 | jdoubleArray array, jdouble* elems, jint mode) { |
| 1899 | ScopedJniThreadState ts(env); |
| 1900 | UNIMPLEMENTED(FATAL); |
| 1901 | } |
| 1902 | |
| 1903 | static void GetBooleanArrayRegion(JNIEnv* env, |
| 1904 | jbooleanArray array, jsize start, jsize l, jboolean* buf) { |
| 1905 | ScopedJniThreadState ts(env); |
| 1906 | UNIMPLEMENTED(FATAL); |
| 1907 | } |
| 1908 | |
| 1909 | static void GetByteArrayRegion(JNIEnv* env, |
| 1910 | jbyteArray array, jsize start, jsize len, jbyte* buf) { |
| 1911 | ScopedJniThreadState ts(env); |
| 1912 | UNIMPLEMENTED(FATAL); |
| 1913 | } |
| 1914 | |
| 1915 | static void GetCharArrayRegion(JNIEnv* env, |
| 1916 | jcharArray array, jsize start, jsize len, jchar* buf) { |
| 1917 | ScopedJniThreadState ts(env); |
| 1918 | UNIMPLEMENTED(FATAL); |
| 1919 | } |
| 1920 | |
| 1921 | static void GetShortArrayRegion(JNIEnv* env, |
| 1922 | jshortArray array, jsize start, jsize len, jshort* buf) { |
| 1923 | ScopedJniThreadState ts(env); |
| 1924 | UNIMPLEMENTED(FATAL); |
| 1925 | } |
| 1926 | |
| 1927 | static void GetIntArrayRegion(JNIEnv* env, |
| 1928 | jintArray array, jsize start, jsize len, jint* buf) { |
| 1929 | ScopedJniThreadState ts(env); |
| 1930 | UNIMPLEMENTED(FATAL); |
| 1931 | } |
| 1932 | |
| 1933 | static void GetLongArrayRegion(JNIEnv* env, |
| 1934 | jlongArray array, jsize start, jsize len, jlong* buf) { |
| 1935 | ScopedJniThreadState ts(env); |
| 1936 | UNIMPLEMENTED(FATAL); |
| 1937 | } |
| 1938 | |
| 1939 | static void GetFloatArrayRegion(JNIEnv* env, |
| 1940 | jfloatArray array, jsize start, jsize len, jfloat* buf) { |
| 1941 | ScopedJniThreadState ts(env); |
| 1942 | UNIMPLEMENTED(FATAL); |
| 1943 | } |
| 1944 | |
| 1945 | static void GetDoubleArrayRegion(JNIEnv* env, |
| 1946 | jdoubleArray array, jsize start, jsize len, jdouble* buf) { |
| 1947 | ScopedJniThreadState ts(env); |
| 1948 | UNIMPLEMENTED(FATAL); |
| 1949 | } |
| 1950 | |
| 1951 | static void SetBooleanArrayRegion(JNIEnv* env, |
| 1952 | jbooleanArray array, jsize start, jsize l, const jboolean* buf) { |
| 1953 | ScopedJniThreadState ts(env); |
| 1954 | UNIMPLEMENTED(FATAL); |
| 1955 | } |
| 1956 | |
| 1957 | static void SetByteArrayRegion(JNIEnv* env, |
| 1958 | jbyteArray array, jsize start, jsize len, const jbyte* buf) { |
| 1959 | ScopedJniThreadState ts(env); |
| 1960 | UNIMPLEMENTED(FATAL); |
| 1961 | } |
| 1962 | |
| 1963 | static void SetCharArrayRegion(JNIEnv* env, |
| 1964 | jcharArray array, jsize start, jsize len, const jchar* buf) { |
| 1965 | ScopedJniThreadState ts(env); |
| 1966 | UNIMPLEMENTED(FATAL); |
| 1967 | } |
| 1968 | |
| 1969 | static void SetShortArrayRegion(JNIEnv* env, |
| 1970 | jshortArray array, jsize start, jsize len, const jshort* buf) { |
| 1971 | ScopedJniThreadState ts(env); |
| 1972 | UNIMPLEMENTED(FATAL); |
| 1973 | } |
| 1974 | |
| 1975 | static void SetIntArrayRegion(JNIEnv* env, |
| 1976 | jintArray array, jsize start, jsize len, const jint* buf) { |
| 1977 | ScopedJniThreadState ts(env); |
| 1978 | UNIMPLEMENTED(FATAL); |
| 1979 | } |
| 1980 | |
| 1981 | static void SetLongArrayRegion(JNIEnv* env, |
| 1982 | jlongArray array, jsize start, jsize len, const jlong* buf) { |
| 1983 | ScopedJniThreadState ts(env); |
| 1984 | UNIMPLEMENTED(FATAL); |
| 1985 | } |
| 1986 | |
| 1987 | static void SetFloatArrayRegion(JNIEnv* env, |
| 1988 | jfloatArray array, jsize start, jsize len, const jfloat* buf) { |
| 1989 | ScopedJniThreadState ts(env); |
| 1990 | UNIMPLEMENTED(FATAL); |
| 1991 | } |
| 1992 | |
| 1993 | static void SetDoubleArrayRegion(JNIEnv* env, |
| 1994 | jdoubleArray array, jsize start, jsize len, const jdouble* buf) { |
| 1995 | ScopedJniThreadState ts(env); |
| 1996 | UNIMPLEMENTED(FATAL); |
| 1997 | } |
| 1998 | |
| 1999 | static jint RegisterNatives(JNIEnv* env, |
| 2000 | jclass clazz, const JNINativeMethod* methods, jint nMethods) { |
| 2001 | ScopedJniThreadState ts(env); |
| 2002 | Class* klass = Decode<Class*>(ts, clazz); |
| 2003 | for(int i = 0; i < nMethods; i++) { |
| 2004 | const char* name = methods[i].name; |
| 2005 | const char* sig = methods[i].signature; |
| 2006 | |
| 2007 | if (*sig == '!') { |
| 2008 | // TODO: fast jni. it's too noisy to log all these. |
| 2009 | ++sig; |
| 2010 | } |
| 2011 | |
| 2012 | Method* method = klass->FindDirectMethod(name, sig); |
| 2013 | if (method == NULL) { |
| 2014 | method = klass->FindVirtualMethod(name, sig); |
| 2015 | } |
| 2016 | if (method == NULL) { |
| 2017 | Thread* self = Thread::Current(); |
Brian Carlstrom | 9cff8e1 | 2011-08-18 16:47:29 -0700 | [diff] [blame] | 2018 | std::string class_name = klass->GetDescriptor()->ToModifiedUtf8(); |
Elliott Hughes | cdf5312 | 2011-08-19 15:46:09 -0700 | [diff] [blame] | 2019 | self->ThrowNewException("Ljava/lang/NoSuchMethodError;", |
| 2020 | "no method \"%s.%s%s\"", |
| 2021 | class_name.c_str(), name, sig); |
| 2022 | return JNI_ERR; |
| 2023 | } else if (!method->IsNative()) { |
| 2024 | Thread* self = Thread::Current(); |
Brian Carlstrom | 9cff8e1 | 2011-08-18 16:47:29 -0700 | [diff] [blame] | 2025 | std::string class_name = klass->GetDescriptor()->ToModifiedUtf8(); |
Elliott Hughes | cdf5312 | 2011-08-19 15:46:09 -0700 | [diff] [blame] | 2026 | self->ThrowNewException("Ljava/lang/NoSuchMethodError;", |
| 2027 | "method \"%s.%s%s\" is not native", |
| 2028 | class_name.c_str(), name, sig); |
| 2029 | return JNI_ERR; |
| 2030 | } |
| 2031 | method->RegisterNative(methods[i].fnPtr); |
| 2032 | } |
| 2033 | return JNI_OK; |
| 2034 | } |
| 2035 | |
| 2036 | static jint UnregisterNatives(JNIEnv* env, jclass clazz) { |
| 2037 | ScopedJniThreadState ts(env); |
| 2038 | UNIMPLEMENTED(FATAL); |
| 2039 | return 0; |
| 2040 | } |
| 2041 | |
| 2042 | static jint MonitorEnter(JNIEnv* env, jobject obj) { |
| 2043 | ScopedJniThreadState ts(env); |
| 2044 | UNIMPLEMENTED(WARNING); |
| 2045 | return 0; |
| 2046 | } |
| 2047 | |
| 2048 | static jint MonitorExit(JNIEnv* env, jobject obj) { |
| 2049 | ScopedJniThreadState ts(env); |
| 2050 | UNIMPLEMENTED(WARNING); |
| 2051 | return 0; |
| 2052 | } |
| 2053 | |
| 2054 | static jint GetJavaVM(JNIEnv* env, JavaVM** vm) { |
| 2055 | ScopedJniThreadState ts(env); |
| 2056 | Runtime* runtime = Runtime::Current(); |
| 2057 | if (runtime != NULL) { |
| 2058 | *vm = reinterpret_cast<JavaVM*>(runtime->GetJavaVM()); |
| 2059 | } else { |
| 2060 | *vm = NULL; |
| 2061 | } |
| 2062 | return (*vm != NULL) ? JNI_OK : JNI_ERR; |
| 2063 | } |
| 2064 | |
| 2065 | static void GetStringRegion(JNIEnv* env, |
| 2066 | jstring str, jsize start, jsize len, jchar* buf) { |
| 2067 | ScopedJniThreadState ts(env); |
| 2068 | UNIMPLEMENTED(FATAL); |
| 2069 | } |
| 2070 | |
| 2071 | static void GetStringUTFRegion(JNIEnv* env, |
| 2072 | jstring str, jsize start, jsize len, char* buf) { |
| 2073 | ScopedJniThreadState ts(env); |
| 2074 | UNIMPLEMENTED(FATAL); |
| 2075 | } |
| 2076 | |
| 2077 | static void* GetPrimitiveArrayCritical(JNIEnv* env, |
| 2078 | jarray array, jboolean* isCopy) { |
| 2079 | ScopedJniThreadState ts(env); |
| 2080 | UNIMPLEMENTED(FATAL); |
| 2081 | return NULL; |
| 2082 | } |
| 2083 | |
| 2084 | static void ReleasePrimitiveArrayCritical(JNIEnv* env, |
| 2085 | jarray array, void* carray, jint mode) { |
| 2086 | ScopedJniThreadState ts(env); |
| 2087 | UNIMPLEMENTED(FATAL); |
| 2088 | } |
| 2089 | |
| 2090 | static const jchar* GetStringCritical(JNIEnv* env, jstring s, jboolean* isCopy) { |
| 2091 | ScopedJniThreadState ts(env); |
| 2092 | UNIMPLEMENTED(FATAL); |
| 2093 | return NULL; |
| 2094 | } |
| 2095 | |
| 2096 | static void ReleaseStringCritical(JNIEnv* env, jstring s, const jchar* cstr) { |
| 2097 | ScopedJniThreadState ts(env); |
| 2098 | UNIMPLEMENTED(FATAL); |
| 2099 | } |
| 2100 | |
| 2101 | static jboolean ExceptionCheck(JNIEnv* env) { |
| 2102 | ScopedJniThreadState ts(env); |
| 2103 | return ts.Self()->IsExceptionPending() ? JNI_TRUE : JNI_FALSE; |
| 2104 | } |
| 2105 | |
| 2106 | static jobject NewDirectByteBuffer(JNIEnv* env, void* address, jlong capacity) { |
| 2107 | ScopedJniThreadState ts(env); |
| 2108 | UNIMPLEMENTED(FATAL); |
| 2109 | return NULL; |
| 2110 | } |
| 2111 | |
| 2112 | static void* GetDirectBufferAddress(JNIEnv* env, jobject buf) { |
| 2113 | ScopedJniThreadState ts(env); |
| 2114 | UNIMPLEMENTED(FATAL); |
| 2115 | return NULL; |
| 2116 | } |
| 2117 | |
| 2118 | static jlong GetDirectBufferCapacity(JNIEnv* env, jobject buf) { |
| 2119 | ScopedJniThreadState ts(env); |
| 2120 | UNIMPLEMENTED(FATAL); |
| 2121 | return 0; |
| 2122 | } |
| 2123 | |
| 2124 | static jobjectRefType GetObjectRefType(JNIEnv* env, jobject jobj) { |
| 2125 | ScopedJniThreadState ts(env); |
| 2126 | UNIMPLEMENTED(FATAL); |
| 2127 | return JNIInvalidRefType; |
| 2128 | } |
| 2129 | }; |
Carl Shapiro | ea4dca8 | 2011-08-01 13:45:38 -0700 | [diff] [blame] | 2130 | |
Elliott Hughes | 40ef99e | 2011-08-11 17:44:34 -0700 | [diff] [blame] | 2131 | static const struct JNINativeInterface gNativeInterface = { |
Carl Shapiro | ea4dca8 | 2011-08-01 13:45:38 -0700 | [diff] [blame] | 2132 | NULL, // reserved0. |
| 2133 | NULL, // reserved1. |
| 2134 | NULL, // reserved2. |
| 2135 | NULL, // reserved3. |
Elliott Hughes | cdf5312 | 2011-08-19 15:46:09 -0700 | [diff] [blame] | 2136 | JNI::GetVersion, |
| 2137 | JNI::DefineClass, |
| 2138 | JNI::FindClass, |
| 2139 | JNI::FromReflectedMethod, |
| 2140 | JNI::FromReflectedField, |
| 2141 | JNI::ToReflectedMethod, |
| 2142 | JNI::GetSuperclass, |
| 2143 | JNI::IsAssignableFrom, |
| 2144 | JNI::ToReflectedField, |
| 2145 | JNI::Throw, |
| 2146 | JNI::ThrowNew, |
| 2147 | JNI::ExceptionOccurred, |
| 2148 | JNI::ExceptionDescribe, |
| 2149 | JNI::ExceptionClear, |
| 2150 | JNI::FatalError, |
| 2151 | JNI::PushLocalFrame, |
| 2152 | JNI::PopLocalFrame, |
| 2153 | JNI::NewGlobalRef, |
| 2154 | JNI::DeleteGlobalRef, |
| 2155 | JNI::DeleteLocalRef, |
| 2156 | JNI::IsSameObject, |
| 2157 | JNI::NewLocalRef, |
| 2158 | JNI::EnsureLocalCapacity, |
| 2159 | JNI::AllocObject, |
| 2160 | JNI::NewObject, |
| 2161 | JNI::NewObjectV, |
| 2162 | JNI::NewObjectA, |
| 2163 | JNI::GetObjectClass, |
| 2164 | JNI::IsInstanceOf, |
| 2165 | JNI::GetMethodID, |
| 2166 | JNI::CallObjectMethod, |
| 2167 | JNI::CallObjectMethodV, |
| 2168 | JNI::CallObjectMethodA, |
| 2169 | JNI::CallBooleanMethod, |
| 2170 | JNI::CallBooleanMethodV, |
| 2171 | JNI::CallBooleanMethodA, |
| 2172 | JNI::CallByteMethod, |
| 2173 | JNI::CallByteMethodV, |
| 2174 | JNI::CallByteMethodA, |
| 2175 | JNI::CallCharMethod, |
| 2176 | JNI::CallCharMethodV, |
| 2177 | JNI::CallCharMethodA, |
| 2178 | JNI::CallShortMethod, |
| 2179 | JNI::CallShortMethodV, |
| 2180 | JNI::CallShortMethodA, |
| 2181 | JNI::CallIntMethod, |
| 2182 | JNI::CallIntMethodV, |
| 2183 | JNI::CallIntMethodA, |
| 2184 | JNI::CallLongMethod, |
| 2185 | JNI::CallLongMethodV, |
| 2186 | JNI::CallLongMethodA, |
| 2187 | JNI::CallFloatMethod, |
| 2188 | JNI::CallFloatMethodV, |
| 2189 | JNI::CallFloatMethodA, |
| 2190 | JNI::CallDoubleMethod, |
| 2191 | JNI::CallDoubleMethodV, |
| 2192 | JNI::CallDoubleMethodA, |
| 2193 | JNI::CallVoidMethod, |
| 2194 | JNI::CallVoidMethodV, |
| 2195 | JNI::CallVoidMethodA, |
| 2196 | JNI::CallNonvirtualObjectMethod, |
| 2197 | JNI::CallNonvirtualObjectMethodV, |
| 2198 | JNI::CallNonvirtualObjectMethodA, |
| 2199 | JNI::CallNonvirtualBooleanMethod, |
| 2200 | JNI::CallNonvirtualBooleanMethodV, |
| 2201 | JNI::CallNonvirtualBooleanMethodA, |
| 2202 | JNI::CallNonvirtualByteMethod, |
| 2203 | JNI::CallNonvirtualByteMethodV, |
| 2204 | JNI::CallNonvirtualByteMethodA, |
| 2205 | JNI::CallNonvirtualCharMethod, |
| 2206 | JNI::CallNonvirtualCharMethodV, |
| 2207 | JNI::CallNonvirtualCharMethodA, |
| 2208 | JNI::CallNonvirtualShortMethod, |
| 2209 | JNI::CallNonvirtualShortMethodV, |
| 2210 | JNI::CallNonvirtualShortMethodA, |
| 2211 | JNI::CallNonvirtualIntMethod, |
| 2212 | JNI::CallNonvirtualIntMethodV, |
| 2213 | JNI::CallNonvirtualIntMethodA, |
| 2214 | JNI::CallNonvirtualLongMethod, |
| 2215 | JNI::CallNonvirtualLongMethodV, |
| 2216 | JNI::CallNonvirtualLongMethodA, |
| 2217 | JNI::CallNonvirtualFloatMethod, |
| 2218 | JNI::CallNonvirtualFloatMethodV, |
| 2219 | JNI::CallNonvirtualFloatMethodA, |
| 2220 | JNI::CallNonvirtualDoubleMethod, |
| 2221 | JNI::CallNonvirtualDoubleMethodV, |
| 2222 | JNI::CallNonvirtualDoubleMethodA, |
| 2223 | JNI::CallNonvirtualVoidMethod, |
| 2224 | JNI::CallNonvirtualVoidMethodV, |
| 2225 | JNI::CallNonvirtualVoidMethodA, |
| 2226 | JNI::GetFieldID, |
| 2227 | JNI::GetObjectField, |
| 2228 | JNI::GetBooleanField, |
| 2229 | JNI::GetByteField, |
| 2230 | JNI::GetCharField, |
| 2231 | JNI::GetShortField, |
| 2232 | JNI::GetIntField, |
| 2233 | JNI::GetLongField, |
| 2234 | JNI::GetFloatField, |
| 2235 | JNI::GetDoubleField, |
| 2236 | JNI::SetObjectField, |
| 2237 | JNI::SetBooleanField, |
| 2238 | JNI::SetByteField, |
| 2239 | JNI::SetCharField, |
| 2240 | JNI::SetShortField, |
| 2241 | JNI::SetIntField, |
| 2242 | JNI::SetLongField, |
| 2243 | JNI::SetFloatField, |
| 2244 | JNI::SetDoubleField, |
| 2245 | JNI::GetStaticMethodID, |
| 2246 | JNI::CallStaticObjectMethod, |
| 2247 | JNI::CallStaticObjectMethodV, |
| 2248 | JNI::CallStaticObjectMethodA, |
| 2249 | JNI::CallStaticBooleanMethod, |
| 2250 | JNI::CallStaticBooleanMethodV, |
| 2251 | JNI::CallStaticBooleanMethodA, |
| 2252 | JNI::CallStaticByteMethod, |
| 2253 | JNI::CallStaticByteMethodV, |
| 2254 | JNI::CallStaticByteMethodA, |
| 2255 | JNI::CallStaticCharMethod, |
| 2256 | JNI::CallStaticCharMethodV, |
| 2257 | JNI::CallStaticCharMethodA, |
| 2258 | JNI::CallStaticShortMethod, |
| 2259 | JNI::CallStaticShortMethodV, |
| 2260 | JNI::CallStaticShortMethodA, |
| 2261 | JNI::CallStaticIntMethod, |
| 2262 | JNI::CallStaticIntMethodV, |
| 2263 | JNI::CallStaticIntMethodA, |
| 2264 | JNI::CallStaticLongMethod, |
| 2265 | JNI::CallStaticLongMethodV, |
| 2266 | JNI::CallStaticLongMethodA, |
| 2267 | JNI::CallStaticFloatMethod, |
| 2268 | JNI::CallStaticFloatMethodV, |
| 2269 | JNI::CallStaticFloatMethodA, |
| 2270 | JNI::CallStaticDoubleMethod, |
| 2271 | JNI::CallStaticDoubleMethodV, |
| 2272 | JNI::CallStaticDoubleMethodA, |
| 2273 | JNI::CallStaticVoidMethod, |
| 2274 | JNI::CallStaticVoidMethodV, |
| 2275 | JNI::CallStaticVoidMethodA, |
| 2276 | JNI::GetStaticFieldID, |
| 2277 | JNI::GetStaticObjectField, |
| 2278 | JNI::GetStaticBooleanField, |
| 2279 | JNI::GetStaticByteField, |
| 2280 | JNI::GetStaticCharField, |
| 2281 | JNI::GetStaticShortField, |
| 2282 | JNI::GetStaticIntField, |
| 2283 | JNI::GetStaticLongField, |
| 2284 | JNI::GetStaticFloatField, |
| 2285 | JNI::GetStaticDoubleField, |
| 2286 | JNI::SetStaticObjectField, |
| 2287 | JNI::SetStaticBooleanField, |
| 2288 | JNI::SetStaticByteField, |
| 2289 | JNI::SetStaticCharField, |
| 2290 | JNI::SetStaticShortField, |
| 2291 | JNI::SetStaticIntField, |
| 2292 | JNI::SetStaticLongField, |
| 2293 | JNI::SetStaticFloatField, |
| 2294 | JNI::SetStaticDoubleField, |
| 2295 | JNI::NewString, |
| 2296 | JNI::GetStringLength, |
| 2297 | JNI::GetStringChars, |
| 2298 | JNI::ReleaseStringChars, |
| 2299 | JNI::NewStringUTF, |
| 2300 | JNI::GetStringUTFLength, |
| 2301 | JNI::GetStringUTFChars, |
| 2302 | JNI::ReleaseStringUTFChars, |
| 2303 | JNI::GetArrayLength, |
| 2304 | JNI::NewObjectArray, |
| 2305 | JNI::GetObjectArrayElement, |
| 2306 | JNI::SetObjectArrayElement, |
| 2307 | JNI::NewBooleanArray, |
| 2308 | JNI::NewByteArray, |
| 2309 | JNI::NewCharArray, |
| 2310 | JNI::NewShortArray, |
| 2311 | JNI::NewIntArray, |
| 2312 | JNI::NewLongArray, |
| 2313 | JNI::NewFloatArray, |
| 2314 | JNI::NewDoubleArray, |
| 2315 | JNI::GetBooleanArrayElements, |
| 2316 | JNI::GetByteArrayElements, |
| 2317 | JNI::GetCharArrayElements, |
| 2318 | JNI::GetShortArrayElements, |
| 2319 | JNI::GetIntArrayElements, |
| 2320 | JNI::GetLongArrayElements, |
| 2321 | JNI::GetFloatArrayElements, |
| 2322 | JNI::GetDoubleArrayElements, |
| 2323 | JNI::ReleaseBooleanArrayElements, |
| 2324 | JNI::ReleaseByteArrayElements, |
| 2325 | JNI::ReleaseCharArrayElements, |
| 2326 | JNI::ReleaseShortArrayElements, |
| 2327 | JNI::ReleaseIntArrayElements, |
| 2328 | JNI::ReleaseLongArrayElements, |
| 2329 | JNI::ReleaseFloatArrayElements, |
| 2330 | JNI::ReleaseDoubleArrayElements, |
| 2331 | JNI::GetBooleanArrayRegion, |
| 2332 | JNI::GetByteArrayRegion, |
| 2333 | JNI::GetCharArrayRegion, |
| 2334 | JNI::GetShortArrayRegion, |
| 2335 | JNI::GetIntArrayRegion, |
| 2336 | JNI::GetLongArrayRegion, |
| 2337 | JNI::GetFloatArrayRegion, |
| 2338 | JNI::GetDoubleArrayRegion, |
| 2339 | JNI::SetBooleanArrayRegion, |
| 2340 | JNI::SetByteArrayRegion, |
| 2341 | JNI::SetCharArrayRegion, |
| 2342 | JNI::SetShortArrayRegion, |
| 2343 | JNI::SetIntArrayRegion, |
| 2344 | JNI::SetLongArrayRegion, |
| 2345 | JNI::SetFloatArrayRegion, |
| 2346 | JNI::SetDoubleArrayRegion, |
| 2347 | JNI::RegisterNatives, |
| 2348 | JNI::UnregisterNatives, |
| 2349 | JNI::MonitorEnter, |
| 2350 | JNI::MonitorExit, |
| 2351 | JNI::GetJavaVM, |
| 2352 | JNI::GetStringRegion, |
| 2353 | JNI::GetStringUTFRegion, |
| 2354 | JNI::GetPrimitiveArrayCritical, |
| 2355 | JNI::ReleasePrimitiveArrayCritical, |
| 2356 | JNI::GetStringCritical, |
| 2357 | JNI::ReleaseStringCritical, |
| 2358 | JNI::NewWeakGlobalRef, |
| 2359 | JNI::DeleteWeakGlobalRef, |
| 2360 | JNI::ExceptionCheck, |
| 2361 | JNI::NewDirectByteBuffer, |
| 2362 | JNI::GetDirectBufferAddress, |
| 2363 | JNI::GetDirectBufferCapacity, |
| 2364 | JNI::GetObjectRefType, |
Carl Shapiro | ea4dca8 | 2011-08-01 13:45:38 -0700 | [diff] [blame] | 2365 | }; |
| 2366 | |
Elliott Hughes | 6c1a394 | 2011-08-17 15:00:06 -0700 | [diff] [blame] | 2367 | static const size_t kMonitorsInitial = 32; // Arbitrary. |
| 2368 | static const size_t kMonitorsMax = 4096; // Arbitrary sanity check. |
| 2369 | |
| 2370 | static const size_t kLocalsInitial = 64; // Arbitrary. |
| 2371 | static const size_t kLocalsMax = 512; // Arbitrary sanity check. |
Elliott Hughes | bbd7671 | 2011-08-17 10:25:24 -0700 | [diff] [blame] | 2372 | |
Elliott Hughes | 515a5bc | 2011-08-17 11:08:34 -0700 | [diff] [blame] | 2373 | JNIEnvExt::JNIEnvExt(Thread* self, bool check_jni) |
Elliott Hughes | bbd7671 | 2011-08-17 10:25:24 -0700 | [diff] [blame] | 2374 | : fns(&gNativeInterface), |
| 2375 | self(self), |
Elliott Hughes | 515a5bc | 2011-08-17 11:08:34 -0700 | [diff] [blame] | 2376 | check_jni(check_jni), |
Elliott Hughes | bbd7671 | 2011-08-17 10:25:24 -0700 | [diff] [blame] | 2377 | critical(false), |
Elliott Hughes | 6c1a394 | 2011-08-17 15:00:06 -0700 | [diff] [blame] | 2378 | monitors("monitors", kMonitorsInitial, kMonitorsMax), |
| 2379 | locals(kLocalsInitial, kLocalsMax, kLocal) { |
Elliott Hughes | 40ef99e | 2011-08-11 17:44:34 -0700 | [diff] [blame] | 2380 | } |
| 2381 | |
Carl Shapiro | ea4dca8 | 2011-08-01 13:45:38 -0700 | [diff] [blame] | 2382 | // JNI Invocation interface. |
| 2383 | |
Carl Shapiro | 2ed144c | 2011-07-26 16:52:08 -0700 | [diff] [blame] | 2384 | extern "C" jint JNI_CreateJavaVM(JavaVM** p_vm, void** p_env, void* vm_args) { |
| 2385 | const JavaVMInitArgs* args = static_cast<JavaVMInitArgs*>(vm_args); |
| 2386 | if (args->version < JNI_VERSION_1_2) { |
| 2387 | return JNI_EVERSION; |
| 2388 | } |
| 2389 | Runtime::Options options; |
| 2390 | for (int i = 0; i < args->nOptions; ++i) { |
| 2391 | JavaVMOption* option = &args->options[i]; |
Carl Shapiro | fc322c7 | 2011-07-27 00:20:01 -0700 | [diff] [blame] | 2392 | options.push_back(std::make_pair(StringPiece(option->optionString), |
| 2393 | option->extraInfo)); |
Carl Shapiro | 2ed144c | 2011-07-26 16:52:08 -0700 | [diff] [blame] | 2394 | } |
| 2395 | bool ignore_unrecognized = args->ignoreUnrecognized; |
Elliott Hughes | f2682d5 | 2011-08-15 16:37:04 -0700 | [diff] [blame] | 2396 | Runtime* runtime = Runtime::Create(options, ignore_unrecognized); |
Carl Shapiro | 2ed144c | 2011-07-26 16:52:08 -0700 | [diff] [blame] | 2397 | if (runtime == NULL) { |
| 2398 | return JNI_ERR; |
| 2399 | } else { |
| 2400 | *p_env = reinterpret_cast<JNIEnv*>(Thread::Current()->GetJniEnv()); |
Elliott Hughes | 0af5543 | 2011-08-17 18:37:28 -0700 | [diff] [blame] | 2401 | *p_vm = reinterpret_cast<JavaVM*>(runtime->GetJavaVM()); |
Carl Shapiro | 2ed144c | 2011-07-26 16:52:08 -0700 | [diff] [blame] | 2402 | return JNI_OK; |
| 2403 | } |
| 2404 | } |
| 2405 | |
Elliott Hughes | f2682d5 | 2011-08-15 16:37:04 -0700 | [diff] [blame] | 2406 | extern "C" jint JNI_GetCreatedJavaVMs(JavaVM** vms, jsize, jsize* vm_count) { |
Carl Shapiro | 2ed144c | 2011-07-26 16:52:08 -0700 | [diff] [blame] | 2407 | Runtime* runtime = Runtime::Current(); |
| 2408 | if (runtime == NULL) { |
Elliott Hughes | f2682d5 | 2011-08-15 16:37:04 -0700 | [diff] [blame] | 2409 | *vm_count = 0; |
Carl Shapiro | 2ed144c | 2011-07-26 16:52:08 -0700 | [diff] [blame] | 2410 | } else { |
Elliott Hughes | f2682d5 | 2011-08-15 16:37:04 -0700 | [diff] [blame] | 2411 | *vm_count = 1; |
Elliott Hughes | 0af5543 | 2011-08-17 18:37:28 -0700 | [diff] [blame] | 2412 | vms[0] = reinterpret_cast<JavaVM*>(runtime->GetJavaVM()); |
Carl Shapiro | 2ed144c | 2011-07-26 16:52:08 -0700 | [diff] [blame] | 2413 | } |
| 2414 | return JNI_OK; |
| 2415 | } |
| 2416 | |
| 2417 | // Historically unsupported. |
| 2418 | extern "C" jint JNI_GetDefaultJavaVMInitArgs(void* vm_args) { |
| 2419 | return JNI_ERR; |
| 2420 | } |
| 2421 | |
Elliott Hughes | cdf5312 | 2011-08-19 15:46:09 -0700 | [diff] [blame] | 2422 | class JII { |
| 2423 | public: |
| 2424 | static jint DestroyJavaVM(JavaVM* vm) { |
| 2425 | if (vm == NULL) { |
| 2426 | return JNI_ERR; |
| 2427 | } else { |
| 2428 | JavaVMExt* raw_vm = reinterpret_cast<JavaVMExt*>(vm); |
| 2429 | delete raw_vm->runtime; |
| 2430 | return JNI_OK; |
| 2431 | } |
Carl Shapiro | 2ed144c | 2011-07-26 16:52:08 -0700 | [diff] [blame] | 2432 | } |
Carl Shapiro | 2ed144c | 2011-07-26 16:52:08 -0700 | [diff] [blame] | 2433 | |
Elliott Hughes | cdf5312 | 2011-08-19 15:46:09 -0700 | [diff] [blame] | 2434 | static jint AttachCurrentThread(JavaVM* vm, JNIEnv** p_env, void* thr_args) { |
| 2435 | if (vm == NULL || p_env == NULL) { |
| 2436 | return JNI_ERR; |
| 2437 | } |
Elliott Hughes | f2682d5 | 2011-08-15 16:37:04 -0700 | [diff] [blame] | 2438 | JavaVMExt* raw_vm = reinterpret_cast<JavaVMExt*>(vm); |
| 2439 | Runtime* runtime = raw_vm->runtime; |
Elliott Hughes | cdf5312 | 2011-08-19 15:46:09 -0700 | [diff] [blame] | 2440 | const char* name = NULL; |
| 2441 | if (thr_args != NULL) { |
| 2442 | // TODO: check version |
| 2443 | name = static_cast<JavaVMAttachArgs*>(thr_args)->name; |
| 2444 | // TODO: thread group |
| 2445 | } |
| 2446 | bool success = runtime->AttachCurrentThread(name, p_env); |
| 2447 | if (!success) { |
| 2448 | return JNI_ERR; |
| 2449 | } else { |
| 2450 | return JNI_OK; |
| 2451 | } |
| 2452 | } |
| 2453 | |
| 2454 | static jint AttachCurrentThreadAsDaemon(JavaVM* vm, JNIEnv** p_env, void* thr_args) { |
| 2455 | if (vm == NULL || p_env == NULL) { |
| 2456 | return JNI_ERR; |
| 2457 | } |
| 2458 | JavaVMExt* raw_vm = reinterpret_cast<JavaVMExt*>(vm); |
| 2459 | Runtime* runtime = raw_vm->runtime; |
| 2460 | const char* name = NULL; |
| 2461 | if (thr_args != NULL) { |
| 2462 | // TODO: check version |
| 2463 | name = static_cast<JavaVMAttachArgs*>(thr_args)->name; |
| 2464 | // TODO: thread group |
| 2465 | } |
| 2466 | bool success = runtime->AttachCurrentThreadAsDaemon(name, p_env); |
| 2467 | if (!success) { |
| 2468 | return JNI_ERR; |
| 2469 | } else { |
| 2470 | return JNI_OK; |
| 2471 | } |
| 2472 | } |
| 2473 | |
| 2474 | static jint DetachCurrentThread(JavaVM* vm) { |
| 2475 | if (vm == NULL) { |
| 2476 | return JNI_ERR; |
| 2477 | } else { |
| 2478 | JavaVMExt* raw_vm = reinterpret_cast<JavaVMExt*>(vm); |
| 2479 | Runtime* runtime = raw_vm->runtime; |
| 2480 | runtime->DetachCurrentThread(); |
| 2481 | return JNI_OK; |
| 2482 | } |
| 2483 | } |
| 2484 | |
| 2485 | static jint GetEnv(JavaVM* vm, void** env, jint version) { |
| 2486 | if (version < JNI_VERSION_1_1 || version > JNI_VERSION_1_6) { |
| 2487 | return JNI_EVERSION; |
| 2488 | } |
| 2489 | if (vm == NULL || env == NULL) { |
| 2490 | return JNI_ERR; |
| 2491 | } |
| 2492 | Thread* thread = Thread::Current(); |
| 2493 | if (thread == NULL) { |
| 2494 | *env = NULL; |
| 2495 | return JNI_EDETACHED; |
| 2496 | } |
| 2497 | *env = thread->GetJniEnv(); |
Carl Shapiro | 2ed144c | 2011-07-26 16:52:08 -0700 | [diff] [blame] | 2498 | return JNI_OK; |
| 2499 | } |
Elliott Hughes | cdf5312 | 2011-08-19 15:46:09 -0700 | [diff] [blame] | 2500 | }; |
Carl Shapiro | 2ed144c | 2011-07-26 16:52:08 -0700 | [diff] [blame] | 2501 | |
Elliott Hughes | f2682d5 | 2011-08-15 16:37:04 -0700 | [diff] [blame] | 2502 | struct JNIInvokeInterface gInvokeInterface = { |
Carl Shapiro | ea4dca8 | 2011-08-01 13:45:38 -0700 | [diff] [blame] | 2503 | NULL, // reserved0 |
| 2504 | NULL, // reserved1 |
| 2505 | NULL, // reserved2 |
Elliott Hughes | cdf5312 | 2011-08-19 15:46:09 -0700 | [diff] [blame] | 2506 | JII::DestroyJavaVM, |
| 2507 | JII::AttachCurrentThread, |
| 2508 | JII::DetachCurrentThread, |
| 2509 | JII::GetEnv, |
| 2510 | JII::AttachCurrentThreadAsDaemon |
Carl Shapiro | ea4dca8 | 2011-08-01 13:45:38 -0700 | [diff] [blame] | 2511 | }; |
| 2512 | |
Elliott Hughes | bbd7671 | 2011-08-17 10:25:24 -0700 | [diff] [blame] | 2513 | static const size_t kPinTableInitialSize = 16; |
| 2514 | static const size_t kPinTableMaxSize = 1024; |
| 2515 | |
Elliott Hughes | 6c1a394 | 2011-08-17 15:00:06 -0700 | [diff] [blame] | 2516 | static const size_t kGlobalsInitial = 512; // Arbitrary. |
| 2517 | static const size_t kGlobalsMax = 51200; // Arbitrary sanity check. |
| 2518 | |
| 2519 | static const size_t kWeakGlobalsInitial = 16; // Arbitrary. |
| 2520 | static const size_t kWeakGlobalsMax = 51200; // Arbitrary sanity check. |
| 2521 | |
Elliott Hughes | 0af5543 | 2011-08-17 18:37:28 -0700 | [diff] [blame] | 2522 | JavaVMExt::JavaVMExt(Runtime* runtime, bool check_jni, bool verbose_jni) |
Elliott Hughes | bbd7671 | 2011-08-17 10:25:24 -0700 | [diff] [blame] | 2523 | : fns(&gInvokeInterface), |
| 2524 | runtime(runtime), |
Elliott Hughes | 515a5bc | 2011-08-17 11:08:34 -0700 | [diff] [blame] | 2525 | check_jni(check_jni), |
Elliott Hughes | 0af5543 | 2011-08-17 18:37:28 -0700 | [diff] [blame] | 2526 | verbose_jni(verbose_jni), |
Elliott Hughes | 6c1a394 | 2011-08-17 15:00:06 -0700 | [diff] [blame] | 2527 | pin_table("pin table", kPinTableInitialSize, kPinTableMaxSize), |
Elliott Hughes | 18c0753 | 2011-08-18 15:50:51 -0700 | [diff] [blame] | 2528 | globals_lock(Mutex::Create("JNI global reference table lock")), |
Elliott Hughes | 6c1a394 | 2011-08-17 15:00:06 -0700 | [diff] [blame] | 2529 | globals(kGlobalsInitial, kGlobalsMax, kGlobal), |
Elliott Hughes | 18c0753 | 2011-08-18 15:50:51 -0700 | [diff] [blame] | 2530 | weak_globals_lock(Mutex::Create("JNI weak global reference table lock")), |
Elliott Hughes | 6c1a394 | 2011-08-17 15:00:06 -0700 | [diff] [blame] | 2531 | weak_globals(kWeakGlobalsInitial, kWeakGlobalsMax, kWeakGlobal) { |
Elliott Hughes | f2682d5 | 2011-08-15 16:37:04 -0700 | [diff] [blame] | 2532 | } |
| 2533 | |
Elliott Hughes | de69d7f | 2011-08-18 16:49:37 -0700 | [diff] [blame] | 2534 | JavaVMExt::~JavaVMExt() { |
| 2535 | delete globals_lock; |
| 2536 | delete weak_globals_lock; |
| 2537 | } |
| 2538 | |
Elliott Hughes | cdf5312 | 2011-08-19 15:46:09 -0700 | [diff] [blame] | 2539 | /* |
| 2540 | * Load native code from the specified absolute pathname. Per the spec, |
| 2541 | * if we've already loaded a library with the specified pathname, we |
| 2542 | * return without doing anything. |
| 2543 | * |
| 2544 | * TODO? for better results we should absolutify the pathname. For fully |
| 2545 | * correct results we should stat to get the inode and compare that. The |
| 2546 | * existing implementation is fine so long as everybody is using |
| 2547 | * System.loadLibrary. |
| 2548 | * |
| 2549 | * The library will be associated with the specified class loader. The JNI |
| 2550 | * spec says we can't load the same library into more than one class loader. |
| 2551 | * |
| 2552 | * Returns "true" on success. On failure, sets *detail to a |
| 2553 | * human-readable description of the error or NULL if no detail is |
| 2554 | * available; ownership of the string is transferred to the caller. |
| 2555 | */ |
| 2556 | bool JavaVMExt::LoadNativeLibrary(const std::string& path, Object* class_loader, char** detail) { |
| 2557 | *detail = NULL; |
| 2558 | |
| 2559 | // See if we've already loaded this library. If we have, and the class loader |
| 2560 | // matches, return successfully without doing anything. |
| 2561 | SharedLibrary* library = libraries[path]; |
| 2562 | if (library != NULL) { |
| 2563 | if (library->GetClassLoader() != class_loader) { |
| 2564 | LOG(WARNING) << "Shared library \"" << path << "\" already opened by " |
| 2565 | << "ClassLoader " << library->GetClassLoader() << "; " |
| 2566 | << "can't open in " << class_loader; |
| 2567 | *detail = strdup("already opened by different ClassLoader"); |
| 2568 | return false; |
| 2569 | } |
| 2570 | if (verbose_jni) { |
| 2571 | LOG(INFO) << "[Shared library \"" << path << "\" already loaded in " |
| 2572 | << "ClassLoader " << class_loader << "]"; |
| 2573 | } |
| 2574 | if (!library->CheckOnLoadResult(this)) { |
| 2575 | *detail = strdup("JNI_OnLoad failed before"); |
| 2576 | return false; |
| 2577 | } |
| 2578 | return true; |
| 2579 | } |
| 2580 | |
| 2581 | // Open the shared library. Because we're using a full path, the system |
| 2582 | // doesn't have to search through LD_LIBRARY_PATH. (It may do so to |
| 2583 | // resolve this library's dependencies though.) |
| 2584 | |
| 2585 | // Failures here are expected when java.library.path has several entries |
| 2586 | // and we have to hunt for the lib. |
| 2587 | |
| 2588 | // The current version of the dynamic linker prints detailed information |
| 2589 | // about dlopen() failures. Some things to check if the message is |
| 2590 | // cryptic: |
| 2591 | // - make sure the library exists on the device |
| 2592 | // - verify that the right path is being opened (the debug log message |
| 2593 | // above can help with that) |
| 2594 | // - check to see if the library is valid (e.g. not zero bytes long) |
| 2595 | // - check config/prelink-linux-arm.map to ensure that the library |
| 2596 | // is listed and is not being overrun by the previous entry (if |
| 2597 | // loading suddenly stops working on a prelinked library, this is |
| 2598 | // a good one to check) |
| 2599 | // - write a trivial app that calls sleep() then dlopen(), attach |
| 2600 | // to it with "strace -p <pid>" while it sleeps, and watch for |
| 2601 | // attempts to open nonexistent dependent shared libs |
| 2602 | |
| 2603 | // TODO: automate some of these checks! |
| 2604 | |
| 2605 | // This can execute slowly for a large library on a busy system, so we |
| 2606 | // want to switch from RUNNING to VMWAIT while it executes. This allows |
| 2607 | // the GC to ignore us. |
| 2608 | Thread* self = Thread::Current(); |
| 2609 | Thread::State old_state = self->GetState(); |
| 2610 | self->SetState(Thread::kWaiting); // TODO: VMWAIT |
| 2611 | void* handle = dlopen(path.c_str(), RTLD_LAZY); |
| 2612 | self->SetState(old_state); |
| 2613 | |
| 2614 | if (verbose_jni) { |
| 2615 | LOG(INFO) << "[Call to dlopen(\"" << path << "\") returned " << handle << "]"; |
| 2616 | } |
| 2617 | |
| 2618 | if (handle == NULL) { |
| 2619 | *detail = strdup(dlerror()); |
| 2620 | return false; |
| 2621 | } |
| 2622 | |
| 2623 | // Create a new entry. |
| 2624 | library = new SharedLibrary(path, handle, class_loader); |
| 2625 | UNIMPLEMENTED(ERROR) << "missing pthread_cond_init"; |
| 2626 | // pthread_cond_init(&library->onLoadCond, NULL); |
| 2627 | |
| 2628 | libraries[path] = library; |
| 2629 | |
| 2630 | // if (pNewEntry != pActualEntry) { |
| 2631 | // LOG(INFO) << "WOW: we lost a race to add a shared library (\"" << path << "\" ClassLoader=" << class_loader <<")"; |
| 2632 | // freeSharedLibEntry(pNewEntry); |
| 2633 | // return CheckOnLoadResult(this, pActualEntry); |
| 2634 | // } else |
| 2635 | { |
| 2636 | if (verbose_jni) { |
| 2637 | LOG(INFO) << "[Added shared library \"" << path << "\" for ClassLoader " << class_loader << "]"; |
| 2638 | } |
| 2639 | |
| 2640 | bool result = true; |
| 2641 | void* sym = dlsym(handle, "JNI_OnLoad"); |
| 2642 | if (sym == NULL) { |
| 2643 | if (verbose_jni) { |
| 2644 | LOG(INFO) << "[No JNI_OnLoad found in \"" << path << "\"]"; |
| 2645 | } |
| 2646 | } else { |
| 2647 | // Call JNI_OnLoad. We have to override the current class |
| 2648 | // loader, which will always be "null" since the stuff at the |
| 2649 | // top of the stack is around Runtime.loadLibrary(). (See |
| 2650 | // the comments in the JNI FindClass function.) |
| 2651 | UNIMPLEMENTED(WARNING) << "need to override current class loader"; |
| 2652 | typedef int (*JNI_OnLoadFn)(JavaVM*, void*); |
| 2653 | JNI_OnLoadFn jni_on_load = reinterpret_cast<JNI_OnLoadFn>(sym); |
| 2654 | //Object* prevOverride = self->classLoaderOverride; |
| 2655 | //self->classLoaderOverride = classLoader; |
| 2656 | |
| 2657 | old_state = self->GetState(); |
| 2658 | self->SetState(Thread::kNative); |
| 2659 | if (verbose_jni) { |
| 2660 | LOG(INFO) << "[Calling JNI_OnLoad in \"" << path << "\"]"; |
| 2661 | } |
| 2662 | int version = (*jni_on_load)(reinterpret_cast<JavaVM*>(this), NULL); |
| 2663 | self->SetState(old_state); |
| 2664 | |
| 2665 | UNIMPLEMENTED(WARNING) << "need to restore current class loader"; |
| 2666 | //self->classLoaderOverride = prevOverride; |
| 2667 | |
| 2668 | if (version != JNI_VERSION_1_2 && |
| 2669 | version != JNI_VERSION_1_4 && |
| 2670 | version != JNI_VERSION_1_6) { |
| 2671 | LOG(WARNING) << "JNI_OnLoad in \"" << path << "\" returned " |
| 2672 | << "bad version: " << version; |
| 2673 | // It's unwise to call dlclose() here, but we can mark it |
| 2674 | // as bad and ensure that future load attempts will fail. |
| 2675 | // We don't know how far JNI_OnLoad got, so there could |
| 2676 | // be some partially-initialized stuff accessible through |
| 2677 | // newly-registered native method calls. We could try to |
| 2678 | // unregister them, but that doesn't seem worthwhile. |
| 2679 | result = false; |
| 2680 | } else { |
| 2681 | if (verbose_jni) { |
| 2682 | LOG(INFO) << "[Returned " << (result ? "successfully" : "failure") |
| 2683 | << " from JNI_OnLoad in \"" << path << "\"]"; |
| 2684 | } |
| 2685 | } |
| 2686 | } |
| 2687 | |
| 2688 | library->SetResult(result); |
| 2689 | return result; |
| 2690 | } |
| 2691 | } |
| 2692 | |
Ian Rogers | df20fe0 | 2011-07-20 20:34:16 -0700 | [diff] [blame] | 2693 | } // namespace art |