| 1 | /* |
| 2 | * Copyright (c) 1999, 2019, Oracle and/or its affiliates. All rights reserved. |
| 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| 4 | * |
| 5 | * This code is free software; you can redistribute it and/or modify it |
| 6 | * under the terms of the GNU General Public License version 2 only, as |
| 7 | * published by the Free Software Foundation. |
| 8 | * |
| 9 | * This code is distributed in the hope that it will be useful, but WITHOUT |
| 10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| 11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| 12 | * version 2 for more details (a copy is included in the LICENSE file that |
| 13 | * accompanied this code). |
| 14 | * |
| 15 | * You should have received a copy of the GNU General Public License version |
| 16 | * 2 along with this work; if not, write to the Free Software Foundation, |
| 17 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| 18 | * |
| 19 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| 20 | * or visit www.oracle.com if you need additional information or have any |
| 21 | * questions. |
| 22 | * |
| 23 | */ |
| 24 | |
| 25 | #include "precompiled.hpp" |
| 26 | #include "classfile/stringTable.hpp" |
| 27 | #include "classfile/symbolTable.hpp" |
| 28 | #include "code/codeCache.hpp" |
| 29 | #include "memory/oopFactory.hpp" |
| 30 | #include "memory/resourceArea.hpp" |
| 31 | #include "memory/universe.hpp" |
| 32 | #include "oops/objArrayKlass.hpp" |
| 33 | #include "oops/typeArrayOop.inline.hpp" |
| 34 | #include "runtime/jniHandles.inline.hpp" |
| 35 | #include "runtime/javaCalls.hpp" |
| 36 | #include "jvmci/jniAccessMark.inline.hpp" |
| 37 | #include "jvmci/jvmciRuntime.hpp" |
| 38 | |
| 39 | JVMCICompileState::JVMCICompileState(CompileTask* task, int system_dictionary_modification_counter): |
| 40 | _task(task), |
| 41 | _system_dictionary_modification_counter(system_dictionary_modification_counter), |
| 42 | _retryable(true), |
| 43 | _failure_reason(NULL), |
| 44 | _failure_reason_on_C_heap(false) { |
| 45 | // Get Jvmti capabilities under lock to get consistent values. |
| 46 | MutexLocker mu(JvmtiThreadState_lock); |
| 47 | _jvmti_can_hotswap_or_post_breakpoint = JvmtiExport::can_hotswap_or_post_breakpoint() ? 1 : 0; |
| 48 | _jvmti_can_access_local_variables = JvmtiExport::can_access_local_variables() ? 1 : 0; |
| 49 | _jvmti_can_post_on_exceptions = JvmtiExport::can_post_on_exceptions() ? 1 : 0; |
| 50 | _jvmti_can_pop_frame = JvmtiExport::can_pop_frame() ? 1 : 0; |
| 51 | } |
| 52 | |
| 53 | bool JVMCICompileState::jvmti_state_changed() const { |
| 54 | if (!jvmti_can_access_local_variables() && |
| 55 | JvmtiExport::can_access_local_variables()) { |
| 56 | return true; |
| 57 | } |
| 58 | if (!jvmti_can_hotswap_or_post_breakpoint() && |
| 59 | JvmtiExport::can_hotswap_or_post_breakpoint()) { |
| 60 | return true; |
| 61 | } |
| 62 | if (!jvmti_can_post_on_exceptions() && |
| 63 | JvmtiExport::can_post_on_exceptions()) { |
| 64 | return true; |
| 65 | } |
| 66 | if (!jvmti_can_pop_frame() && |
| 67 | JvmtiExport::can_pop_frame()) { |
| 68 | return true; |
| 69 | } |
| 70 | return false; |
| 71 | } |
| 72 | |
| 73 | JavaVM* JVMCIEnv::_shared_library_javavm = NULL; |
| 74 | void* JVMCIEnv::_shared_library_handle = NULL; |
| 75 | char* JVMCIEnv::_shared_library_path = NULL; |
| 76 | |
| 77 | void JVMCIEnv::copy_saved_properties() { |
| 78 | assert(!is_hotspot(), "can only copy saved properties from HotSpot to native image" ); |
| 79 | |
| 80 | JavaThread* THREAD = JavaThread::current(); |
| 81 | |
| 82 | Klass* k = SystemDictionary::resolve_or_fail(vmSymbols::jdk_vm_ci_services_Services(), Handle(), Handle(), true, THREAD); |
| 83 | if (HAS_PENDING_EXCEPTION) { |
| 84 | JVMCIRuntime::exit_on_pending_exception(NULL, "Error initializing jdk.vm.ci.services.Services" ); |
| 85 | } |
| 86 | InstanceKlass* ik = InstanceKlass::cast(k); |
| 87 | if (ik->should_be_initialized()) { |
| 88 | ik->initialize(THREAD); |
| 89 | if (HAS_PENDING_EXCEPTION) { |
| 90 | JVMCIRuntime::exit_on_pending_exception(NULL, "Error initializing jdk.vm.ci.services.Services" ); |
| 91 | } |
| 92 | } |
| 93 | |
| 94 | // Get the serialized saved properties from HotSpot |
| 95 | TempNewSymbol serializeSavedProperties = SymbolTable::new_symbol("serializeSavedProperties" ); |
| 96 | JavaValue result(T_OBJECT); |
| 97 | JavaCallArguments args; |
| 98 | JavaCalls::call_static(&result, ik, serializeSavedProperties, vmSymbols::serializePropertiesToByteArray_signature(), &args, THREAD); |
| 99 | if (HAS_PENDING_EXCEPTION) { |
| 100 | JVMCIRuntime::exit_on_pending_exception(NULL, "Error calling jdk.vm.ci.services.Services.serializeSavedProperties" ); |
| 101 | } |
| 102 | oop res = (oop) result.get_jobject(); |
| 103 | assert(res->is_typeArray(), "must be" ); |
| 104 | assert(TypeArrayKlass::cast(res->klass())->element_type() == T_BYTE, "must be" ); |
| 105 | typeArrayOop ba = typeArrayOop(res); |
| 106 | int serialized_properties_len = ba->length(); |
| 107 | |
| 108 | // Copy serialized saved properties from HotSpot object into native buffer |
| 109 | jbyte* serialized_properties = NEW_RESOURCE_ARRAY(jbyte, serialized_properties_len); |
| 110 | memcpy(serialized_properties, ba->byte_at_addr(0), serialized_properties_len); |
| 111 | |
| 112 | // Copy native buffer into shared library object |
| 113 | JVMCIPrimitiveArray buf = new_byteArray(serialized_properties_len, this); |
| 114 | if (has_pending_exception()) { |
| 115 | describe_pending_exception(true); |
| 116 | fatal("Error in copy_saved_properties" ); |
| 117 | } |
| 118 | copy_bytes_from(serialized_properties, buf, 0, serialized_properties_len); |
| 119 | if (has_pending_exception()) { |
| 120 | describe_pending_exception(true); |
| 121 | fatal("Error in copy_saved_properties" ); |
| 122 | } |
| 123 | |
| 124 | // Initialize saved properties in shared library |
| 125 | jclass servicesClass = JNIJVMCI::Services::clazz(); |
| 126 | jmethodID initializeSavedProperties = JNIJVMCI::Services::initializeSavedProperties_method(); |
| 127 | JNIAccessMark jni(this); |
| 128 | jni()->CallStaticVoidMethod(servicesClass, initializeSavedProperties, buf.as_jobject()); |
| 129 | if (jni()->ExceptionCheck()) { |
| 130 | jni()->ExceptionDescribe(); |
| 131 | fatal("Error calling jdk.vm.ci.services.Services.initializeSavedProperties" ); |
| 132 | } |
| 133 | } |
| 134 | |
| 135 | JNIEnv* JVMCIEnv::init_shared_library(JavaThread* thread) { |
| 136 | if (_shared_library_javavm == NULL) { |
| 137 | MutexLocker locker(JVMCI_lock); |
| 138 | if (_shared_library_javavm == NULL) { |
| 139 | char path[JVM_MAXPATHLEN]; |
| 140 | char ebuf[1024]; |
| 141 | if (JVMCILibPath != NULL) { |
| 142 | if (!os::dll_locate_lib(path, sizeof(path), JVMCILibPath, JVMCI_SHARED_LIBRARY_NAME)) { |
| 143 | vm_exit_during_initialization("Unable to create JVMCI shared library path from -XX:JVMCILibPath value" , JVMCILibPath); |
| 144 | } |
| 145 | } else { |
| 146 | if (!os::dll_locate_lib(path, sizeof(path), Arguments::get_dll_dir(), JVMCI_SHARED_LIBRARY_NAME)) { |
| 147 | vm_exit_during_initialization("Unable to create path to JVMCI shared library" ); |
| 148 | } |
| 149 | } |
| 150 | |
| 151 | void* handle = os::dll_load(path, ebuf, sizeof ebuf); |
| 152 | if (handle == NULL) { |
| 153 | vm_exit_during_initialization("Unable to load JVMCI shared library" , ebuf); |
| 154 | } |
| 155 | _shared_library_handle = handle; |
| 156 | _shared_library_path = strdup(path); |
| 157 | jint (*JNI_CreateJavaVM)(JavaVM **pvm, void **penv, void *args); |
| 158 | typedef jint (*JNI_CreateJavaVM_t)(JavaVM **pvm, void **penv, void *args); |
| 159 | |
| 160 | JNI_CreateJavaVM = CAST_TO_FN_PTR(JNI_CreateJavaVM_t, os::dll_lookup(handle, "JNI_CreateJavaVM" )); |
| 161 | JNIEnv* env; |
| 162 | if (JNI_CreateJavaVM == NULL) { |
| 163 | vm_exit_during_initialization("Unable to find JNI_CreateJavaVM" , path); |
| 164 | } |
| 165 | |
| 166 | ResourceMark rm; |
| 167 | JavaVMInitArgs vm_args; |
| 168 | vm_args.version = JNI_VERSION_1_2; |
| 169 | vm_args.ignoreUnrecognized = JNI_TRUE; |
| 170 | vm_args.options = NULL; |
| 171 | vm_args.nOptions = 0; |
| 172 | |
| 173 | JavaVM* the_javavm = NULL; |
| 174 | int result = (*JNI_CreateJavaVM)(&the_javavm, (void**) &env, &vm_args); |
| 175 | if (result == JNI_OK) { |
| 176 | guarantee(env != NULL, "missing env" ); |
| 177 | _shared_library_javavm = the_javavm; |
| 178 | return env; |
| 179 | } else { |
| 180 | vm_exit_during_initialization(err_msg("JNI_CreateJavaVM failed with return value %d" , result), path); |
| 181 | } |
| 182 | } |
| 183 | } |
| 184 | return NULL; |
| 185 | } |
| 186 | |
| 187 | void JVMCIEnv::init_env_mode_runtime(JavaThread* thread, JNIEnv* parent_env) { |
| 188 | assert(thread != NULL, "npe" ); |
| 189 | // By default there is only one runtime which is the compiler runtime. |
| 190 | _runtime = JVMCI::compiler_runtime(); |
| 191 | _env = NULL; |
| 192 | _pop_frame_on_close = false; |
| 193 | _detach_on_close = false; |
| 194 | if (!UseJVMCINativeLibrary) { |
| 195 | // In HotSpot mode, JNI isn't used at all. |
| 196 | _is_hotspot = true; |
| 197 | return; |
| 198 | } |
| 199 | |
| 200 | if (parent_env != NULL) { |
| 201 | // If the parent JNI environment is non-null then figure out whether it |
| 202 | // is a HotSpot or shared library JNIEnv and set the state appropriately. |
| 203 | _is_hotspot = thread->jni_environment() == parent_env; |
| 204 | if (_is_hotspot) { |
| 205 | // Select the Java runtime |
| 206 | _runtime = JVMCI::java_runtime(); |
| 207 | return; |
| 208 | } |
| 209 | _env = parent_env; |
| 210 | return; |
| 211 | } |
| 212 | |
| 213 | // Running in JVMCI shared library mode so ensure the shared library |
| 214 | // is loaded and initialized and get a shared library JNIEnv |
| 215 | _is_hotspot = false; |
| 216 | _env = init_shared_library(thread); |
| 217 | |
| 218 | if (_env != NULL) { |
| 219 | // Creating the JVMCI shared library VM also attaches the current thread |
| 220 | _detach_on_close = true; |
| 221 | } else { |
| 222 | _shared_library_javavm->GetEnv((void**)&parent_env, JNI_VERSION_1_2); |
| 223 | if (parent_env != NULL) { |
| 224 | // Even though there's a parent JNI env, there's no guarantee |
| 225 | // it was opened by a JVMCIEnv scope and thus may not have |
| 226 | // pushed a local JNI frame. As such, we use a new JNI local |
| 227 | // frame in this scope to ensure local JNI refs are collected |
| 228 | // in a timely manner after leaving this scope. |
| 229 | _env = parent_env; |
| 230 | } else { |
| 231 | ResourceMark rm; // Thread name is resource allocated |
| 232 | JavaVMAttachArgs attach_args; |
| 233 | attach_args.version = JNI_VERSION_1_2; |
| 234 | attach_args.name = thread->name(); |
| 235 | attach_args.group = NULL; |
| 236 | if (_shared_library_javavm->AttachCurrentThread((void**)&_env, &attach_args) != JNI_OK) { |
| 237 | fatal("Error attaching current thread (%s) to JVMCI shared library JNI interface" , attach_args.name); |
| 238 | } |
| 239 | _detach_on_close = true; |
| 240 | } |
| 241 | } |
| 242 | |
| 243 | assert(_env != NULL, "missing env" ); |
| 244 | assert(_throw_to_caller == false, "must be" ); |
| 245 | |
| 246 | JNIAccessMark jni(this); |
| 247 | jint result = _env->PushLocalFrame(32); |
| 248 | if (result != JNI_OK) { |
| 249 | char message[256]; |
| 250 | jio_snprintf(message, 256, "Uncaught exception pushing local frame for JVMCIEnv scope entered at %s:%d" , _file, _line); |
| 251 | JVMCIRuntime::exit_on_pending_exception(this, message); |
| 252 | } |
| 253 | _pop_frame_on_close = true; |
| 254 | } |
| 255 | |
| 256 | JVMCIEnv::JVMCIEnv(JavaThread* thread, JVMCICompileState* compile_state, const char* file, int line): |
| 257 | _throw_to_caller(false), _file(file), _line(line), _compile_state(compile_state) { |
| 258 | init_env_mode_runtime(thread, NULL); |
| 259 | } |
| 260 | |
| 261 | JVMCIEnv::JVMCIEnv(JavaThread* thread, const char* file, int line): |
| 262 | _throw_to_caller(false), _file(file), _line(line), _compile_state(NULL) { |
| 263 | init_env_mode_runtime(thread, NULL); |
| 264 | } |
| 265 | |
| 266 | JVMCIEnv::JVMCIEnv(JavaThread* thread, JNIEnv* parent_env, const char* file, int line): |
| 267 | _throw_to_caller(true), _file(file), _line(line), _compile_state(NULL) { |
| 268 | init_env_mode_runtime(thread, parent_env); |
| 269 | assert(_env == NULL || parent_env == _env, "mismatched JNIEnvironment" ); |
| 270 | } |
| 271 | |
| 272 | void JVMCIEnv::init(JavaThread* thread, bool is_hotspot, const char* file, int line) { |
| 273 | _compile_state = NULL; |
| 274 | _throw_to_caller = false; |
| 275 | _file = file; |
| 276 | _line = line; |
| 277 | if (is_hotspot) { |
| 278 | _env = NULL; |
| 279 | _pop_frame_on_close = false; |
| 280 | _detach_on_close = false; |
| 281 | _is_hotspot = true; |
| 282 | _runtime = JVMCI::java_runtime(); |
| 283 | } else { |
| 284 | init_env_mode_runtime(thread, NULL); |
| 285 | } |
| 286 | } |
| 287 | |
| 288 | // Prints a pending exception (if any) and its stack trace. |
| 289 | void JVMCIEnv::describe_pending_exception(bool clear) { |
| 290 | if (!is_hotspot()) { |
| 291 | JNIAccessMark jni(this); |
| 292 | if (jni()->ExceptionCheck()) { |
| 293 | jthrowable ex = !clear ? jni()->ExceptionOccurred() : NULL; |
| 294 | jni()->ExceptionDescribe(); |
| 295 | if (ex != NULL) { |
| 296 | jni()->Throw(ex); |
| 297 | } |
| 298 | } |
| 299 | } else { |
| 300 | Thread* THREAD = Thread::current(); |
| 301 | if (HAS_PENDING_EXCEPTION) { |
| 302 | JVMCIRuntime::describe_pending_hotspot_exception((JavaThread*) THREAD, clear); |
| 303 | } |
| 304 | } |
| 305 | } |
| 306 | |
| 307 | void JVMCIEnv::translate_hotspot_exception_to_jni_exception(JavaThread* THREAD, const Handle& throwable) { |
| 308 | assert(!is_hotspot(), "must_be" ); |
| 309 | // Resolve HotSpotJVMCIRuntime class explicitly as HotSpotJVMCI::compute_offsets |
| 310 | // may not have been called. |
| 311 | Klass* runtimeKlass = SystemDictionary::resolve_or_fail(vmSymbols::jdk_vm_ci_hotspot_HotSpotJVMCIRuntime(), true, CHECK); |
| 312 | JavaCallArguments jargs; |
| 313 | jargs.push_oop(throwable); |
| 314 | JavaValue result(T_OBJECT); |
| 315 | JavaCalls::call_static(&result, |
| 316 | runtimeKlass, |
| 317 | vmSymbols::encodeThrowable_name(), |
| 318 | vmSymbols::encodeThrowable_signature(), &jargs, THREAD); |
| 319 | if (HAS_PENDING_EXCEPTION) { |
| 320 | JVMCIRuntime::exit_on_pending_exception(this, "HotSpotJVMCIRuntime.encodeThrowable should not throw an exception" ); |
| 321 | } |
| 322 | |
| 323 | oop encoded_throwable_string = (oop) result.get_jobject(); |
| 324 | |
| 325 | ResourceMark rm; |
| 326 | const char* encoded_throwable_chars = java_lang_String::as_utf8_string(encoded_throwable_string); |
| 327 | |
| 328 | JNIAccessMark jni(this); |
| 329 | jobject jni_encoded_throwable_string = jni()->NewStringUTF(encoded_throwable_chars); |
| 330 | jthrowable jni_throwable = (jthrowable) jni()->CallStaticObjectMethod(JNIJVMCI::HotSpotJVMCIRuntime::clazz(), |
| 331 | JNIJVMCI::HotSpotJVMCIRuntime::decodeThrowable_method(), |
| 332 | jni_encoded_throwable_string); |
| 333 | jni()->Throw(jni_throwable); |
| 334 | } |
| 335 | |
| 336 | JVMCIEnv::~JVMCIEnv() { |
| 337 | if (_throw_to_caller) { |
| 338 | if (is_hotspot()) { |
| 339 | // Nothing to do |
| 340 | } else { |
| 341 | if (Thread::current()->is_Java_thread()) { |
| 342 | JavaThread* THREAD = JavaThread::current(); |
| 343 | if (HAS_PENDING_EXCEPTION) { |
| 344 | Handle throwable = Handle(THREAD, PENDING_EXCEPTION); |
| 345 | CLEAR_PENDING_EXCEPTION; |
| 346 | translate_hotspot_exception_to_jni_exception(THREAD, throwable); |
| 347 | } |
| 348 | } |
| 349 | } |
| 350 | } else { |
| 351 | if (_pop_frame_on_close) { |
| 352 | // Pop the JNI local frame that was pushed when entering this JVMCIEnv scope. |
| 353 | JNIAccessMark jni(this); |
| 354 | jni()->PopLocalFrame(NULL); |
| 355 | } |
| 356 | |
| 357 | if (has_pending_exception()) { |
| 358 | char message[256]; |
| 359 | jio_snprintf(message, 256, "Uncaught exception exiting JVMCIEnv scope entered at %s:%d" , _file, _line); |
| 360 | JVMCIRuntime::exit_on_pending_exception(this, message); |
| 361 | } |
| 362 | |
| 363 | if (_detach_on_close) { |
| 364 | get_shared_library_javavm()->DetachCurrentThread(); |
| 365 | } |
| 366 | } |
| 367 | } |
| 368 | |
| 369 | jboolean JVMCIEnv::has_pending_exception() { |
| 370 | if (is_hotspot()) { |
| 371 | Thread* THREAD = Thread::current(); |
| 372 | return HAS_PENDING_EXCEPTION; |
| 373 | } else { |
| 374 | JNIAccessMark jni(this); |
| 375 | return jni()->ExceptionCheck(); |
| 376 | } |
| 377 | } |
| 378 | |
| 379 | void JVMCIEnv::clear_pending_exception() { |
| 380 | if (is_hotspot()) { |
| 381 | Thread* THREAD = Thread::current(); |
| 382 | CLEAR_PENDING_EXCEPTION; |
| 383 | } else { |
| 384 | JNIAccessMark jni(this); |
| 385 | jni()->ExceptionClear(); |
| 386 | } |
| 387 | } |
| 388 | |
| 389 | int JVMCIEnv::get_length(JVMCIArray array) { |
| 390 | if (is_hotspot()) { |
| 391 | return HotSpotJVMCI::resolve(array)->length(); |
| 392 | } else { |
| 393 | JNIAccessMark jni(this); |
| 394 | return jni()->GetArrayLength(get_jarray(array)); |
| 395 | } |
| 396 | } |
| 397 | |
| 398 | JVMCIObject JVMCIEnv::get_object_at(JVMCIObjectArray array, int index) { |
| 399 | if (is_hotspot()) { |
| 400 | oop result = HotSpotJVMCI::resolve(array)->obj_at(index); |
| 401 | return wrap(result); |
| 402 | } else { |
| 403 | JNIAccessMark jni(this); |
| 404 | jobject result = jni()->GetObjectArrayElement(get_jobjectArray(array), index); |
| 405 | return wrap(result); |
| 406 | } |
| 407 | } |
| 408 | |
| 409 | void JVMCIEnv::put_object_at(JVMCIObjectArray array, int index, JVMCIObject value) { |
| 410 | if (is_hotspot()) { |
| 411 | HotSpotJVMCI::resolve(array)->obj_at_put(index, HotSpotJVMCI::resolve(value)); |
| 412 | } else { |
| 413 | JNIAccessMark jni(this); |
| 414 | jni()->SetObjectArrayElement(get_jobjectArray(array), index, get_jobject(value)); |
| 415 | } |
| 416 | } |
| 417 | |
| 418 | jboolean JVMCIEnv::get_bool_at(JVMCIPrimitiveArray array, int index) { |
| 419 | if (is_hotspot()) { |
| 420 | return HotSpotJVMCI::resolve(array)->bool_at(index); |
| 421 | } else { |
| 422 | JNIAccessMark jni(this); |
| 423 | jboolean result; |
| 424 | jni()->GetBooleanArrayRegion(array.as_jbooleanArray(), index, 1, &result); |
| 425 | return result; |
| 426 | } |
| 427 | } |
| 428 | void JVMCIEnv::put_bool_at(JVMCIPrimitiveArray array, int index, jboolean value) { |
| 429 | if (is_hotspot()) { |
| 430 | HotSpotJVMCI::resolve(array)->bool_at_put(index, value); |
| 431 | } else { |
| 432 | JNIAccessMark jni(this); |
| 433 | jni()->SetBooleanArrayRegion(array.as_jbooleanArray(), index, 1, &value); |
| 434 | } |
| 435 | } |
| 436 | |
| 437 | jbyte JVMCIEnv::get_byte_at(JVMCIPrimitiveArray array, int index) { |
| 438 | if (is_hotspot()) { |
| 439 | return HotSpotJVMCI::resolve(array)->byte_at(index); |
| 440 | } else { |
| 441 | JNIAccessMark jni(this); |
| 442 | jbyte result; |
| 443 | jni()->GetByteArrayRegion(array.as_jbyteArray(), index, 1, &result); |
| 444 | return result; |
| 445 | } |
| 446 | } |
| 447 | void JVMCIEnv::put_byte_at(JVMCIPrimitiveArray array, int index, jbyte value) { |
| 448 | if (is_hotspot()) { |
| 449 | HotSpotJVMCI::resolve(array)->byte_at_put(index, value); |
| 450 | } else { |
| 451 | JNIAccessMark jni(this); |
| 452 | jni()->SetByteArrayRegion(array.as_jbyteArray(), index, 1, &value); |
| 453 | } |
| 454 | } |
| 455 | |
| 456 | jint JVMCIEnv::get_int_at(JVMCIPrimitiveArray array, int index) { |
| 457 | if (is_hotspot()) { |
| 458 | return HotSpotJVMCI::resolve(array)->int_at(index); |
| 459 | } else { |
| 460 | JNIAccessMark jni(this); |
| 461 | jint result; |
| 462 | jni()->GetIntArrayRegion(array.as_jintArray(), index, 1, &result); |
| 463 | return result; |
| 464 | } |
| 465 | } |
| 466 | void JVMCIEnv::put_int_at(JVMCIPrimitiveArray array, int index, jint value) { |
| 467 | if (is_hotspot()) { |
| 468 | HotSpotJVMCI::resolve(array)->int_at_put(index, value); |
| 469 | } else { |
| 470 | JNIAccessMark jni(this); |
| 471 | jni()->SetIntArrayRegion(array.as_jintArray(), index, 1, &value); |
| 472 | } |
| 473 | } |
| 474 | |
| 475 | long JVMCIEnv::get_long_at(JVMCIPrimitiveArray array, int index) { |
| 476 | if (is_hotspot()) { |
| 477 | return HotSpotJVMCI::resolve(array)->long_at(index); |
| 478 | } else { |
| 479 | JNIAccessMark jni(this); |
| 480 | jlong result; |
| 481 | jni()->GetLongArrayRegion(array.as_jlongArray(), index, 1, &result); |
| 482 | return result; |
| 483 | } |
| 484 | } |
| 485 | void JVMCIEnv::put_long_at(JVMCIPrimitiveArray array, int index, jlong value) { |
| 486 | if (is_hotspot()) { |
| 487 | HotSpotJVMCI::resolve(array)->long_at_put(index, value); |
| 488 | } else { |
| 489 | JNIAccessMark jni(this); |
| 490 | jni()->SetLongArrayRegion(array.as_jlongArray(), index, 1, &value); |
| 491 | } |
| 492 | } |
| 493 | |
| 494 | void JVMCIEnv::copy_bytes_to(JVMCIPrimitiveArray src, jbyte* dest, int offset, jsize length) { |
| 495 | if (length == 0) { |
| 496 | return; |
| 497 | } |
| 498 | if (is_hotspot()) { |
| 499 | memcpy(dest, HotSpotJVMCI::resolve(src)->byte_at_addr(offset), length); |
| 500 | } else { |
| 501 | JNIAccessMark jni(this); |
| 502 | jni()->GetByteArrayRegion(src.as_jbyteArray(), offset, length, dest); |
| 503 | } |
| 504 | } |
| 505 | void JVMCIEnv::copy_bytes_from(jbyte* src, JVMCIPrimitiveArray dest, int offset, jsize length) { |
| 506 | if (length == 0) { |
| 507 | return; |
| 508 | } |
| 509 | if (is_hotspot()) { |
| 510 | memcpy(HotSpotJVMCI::resolve(dest)->byte_at_addr(offset), src, length); |
| 511 | } else { |
| 512 | JNIAccessMark jni(this); |
| 513 | jni()->SetByteArrayRegion(dest.as_jbyteArray(), offset, length, src); |
| 514 | } |
| 515 | } |
| 516 | |
| 517 | void JVMCIEnv::copy_longs_from(jlong* src, JVMCIPrimitiveArray dest, int offset, jsize length) { |
| 518 | if (length == 0) { |
| 519 | return; |
| 520 | } |
| 521 | if (is_hotspot()) { |
| 522 | memcpy(HotSpotJVMCI::resolve(dest)->long_at_addr(offset), src, length * sizeof(jlong)); |
| 523 | } else { |
| 524 | JNIAccessMark jni(this); |
| 525 | jni()->SetLongArrayRegion(dest.as_jlongArray(), offset, length, src); |
| 526 | } |
| 527 | } |
| 528 | |
| 529 | jboolean JVMCIEnv::is_boxing_object(BasicType type, JVMCIObject object) { |
| 530 | if (is_hotspot()) { |
| 531 | return java_lang_boxing_object::is_instance(HotSpotJVMCI::resolve(object), type); |
| 532 | } else { |
| 533 | JNIAccessMark jni(this); |
| 534 | return jni()->IsInstanceOf(get_jobject(object), JNIJVMCI::box_class(type)); |
| 535 | } |
| 536 | } |
| 537 | |
| 538 | // Get the primitive value from a Java boxing object. It's hard error to |
| 539 | // pass a non-primitive BasicType. |
| 540 | jvalue JVMCIEnv::get_boxed_value(BasicType type, JVMCIObject object) { |
| 541 | jvalue result; |
| 542 | if (is_hotspot()) { |
| 543 | if (java_lang_boxing_object::get_value(HotSpotJVMCI::resolve(object), &result) == T_ILLEGAL) { |
| 544 | ShouldNotReachHere(); |
| 545 | } |
| 546 | } else { |
| 547 | JNIAccessMark jni(this); |
| 548 | jfieldID field = JNIJVMCI::box_field(type); |
| 549 | switch (type) { |
| 550 | case T_BOOLEAN: result.z = jni()->GetBooleanField(get_jobject(object), field); break; |
| 551 | case T_BYTE: result.b = jni()->GetByteField(get_jobject(object), field); break; |
| 552 | case T_SHORT: result.s = jni()->GetShortField(get_jobject(object), field); break; |
| 553 | case T_CHAR: result.c = jni()->GetCharField(get_jobject(object), field); break; |
| 554 | case T_INT: result.i = jni()->GetIntField(get_jobject(object), field); break; |
| 555 | case T_LONG: result.j = jni()->GetLongField(get_jobject(object), field); break; |
| 556 | case T_FLOAT: result.f = jni()->GetFloatField(get_jobject(object), field); break; |
| 557 | case T_DOUBLE: result.d = jni()->GetDoubleField(get_jobject(object), field); break; |
| 558 | default: |
| 559 | ShouldNotReachHere(); |
| 560 | } |
| 561 | } |
| 562 | return result; |
| 563 | } |
| 564 | |
| 565 | // Return the BasicType of the object if it's a boxing object, otherwise return T_ILLEGAL. |
| 566 | BasicType JVMCIEnv::get_box_type(JVMCIObject object) { |
| 567 | if (is_hotspot()) { |
| 568 | return java_lang_boxing_object::basic_type(HotSpotJVMCI::resolve(object)); |
| 569 | } else { |
| 570 | JNIAccessMark jni(this); |
| 571 | jclass clazz = jni()->GetObjectClass(get_jobject(object)); |
| 572 | if (jni()->IsSameObject(clazz, JNIJVMCI::box_class(T_BOOLEAN))) return T_BOOLEAN; |
| 573 | if (jni()->IsSameObject(clazz, JNIJVMCI::box_class(T_BYTE))) return T_BYTE; |
| 574 | if (jni()->IsSameObject(clazz, JNIJVMCI::box_class(T_SHORT))) return T_SHORT; |
| 575 | if (jni()->IsSameObject(clazz, JNIJVMCI::box_class(T_CHAR))) return T_CHAR; |
| 576 | if (jni()->IsSameObject(clazz, JNIJVMCI::box_class(T_INT))) return T_INT; |
| 577 | if (jni()->IsSameObject(clazz, JNIJVMCI::box_class(T_LONG))) return T_LONG; |
| 578 | if (jni()->IsSameObject(clazz, JNIJVMCI::box_class(T_FLOAT))) return T_FLOAT; |
| 579 | if (jni()->IsSameObject(clazz, JNIJVMCI::box_class(T_DOUBLE))) return T_DOUBLE; |
| 580 | return T_ILLEGAL; |
| 581 | } |
| 582 | } |
| 583 | |
| 584 | // Create a boxing object of the appropriate primitive type. |
| 585 | JVMCIObject JVMCIEnv::create_box(BasicType type, jvalue* value, JVMCI_TRAPS) { |
| 586 | switch (type) { |
| 587 | case T_BOOLEAN: |
| 588 | case T_BYTE: |
| 589 | case T_CHAR: |
| 590 | case T_SHORT: |
| 591 | case T_INT: |
| 592 | case T_LONG: |
| 593 | case T_FLOAT: |
| 594 | case T_DOUBLE: |
| 595 | break; |
| 596 | default: |
| 597 | JVMCI_THROW_MSG_(IllegalArgumentException, "Only boxes for primitive values can be created" , JVMCIObject()); |
| 598 | } |
| 599 | if (is_hotspot()) { |
| 600 | JavaThread* THREAD = JavaThread::current(); |
| 601 | oop box = java_lang_boxing_object::create(type, value, CHECK_(JVMCIObject())); |
| 602 | return HotSpotJVMCI::wrap(box); |
| 603 | } else { |
| 604 | JNIAccessMark jni(this); |
| 605 | jobject box = jni()->NewObjectA(JNIJVMCI::box_class(type), JNIJVMCI::box_constructor(type), value); |
| 606 | assert(box != NULL, "" ); |
| 607 | return wrap(box); |
| 608 | } |
| 609 | } |
| 610 | |
| 611 | const char* JVMCIEnv::as_utf8_string(JVMCIObject str) { |
| 612 | if (is_hotspot()) { |
| 613 | return java_lang_String::as_utf8_string(HotSpotJVMCI::resolve(str)); |
| 614 | } else { |
| 615 | JNIAccessMark jni(this); |
| 616 | int length = jni()->GetStringLength(str.as_jstring()); |
| 617 | char* result = NEW_RESOURCE_ARRAY(char, length + 1); |
| 618 | jni()->GetStringUTFRegion(str.as_jstring(), 0, length, result); |
| 619 | return result; |
| 620 | } |
| 621 | } |
| 622 | |
| 623 | char* JVMCIEnv::as_utf8_string(JVMCIObject str, char* buf, int buflen) { |
| 624 | if (is_hotspot()) { |
| 625 | return java_lang_String::as_utf8_string(HotSpotJVMCI::resolve(str), buf, buflen); |
| 626 | } else { |
| 627 | JNIAccessMark jni(this); |
| 628 | int length = jni()->GetStringLength(str.as_jstring()); |
| 629 | if (length >= buflen) { |
| 630 | length = buflen; |
| 631 | } |
| 632 | jni()->GetStringUTFRegion(str.as_jstring(), 0, length, buf); |
| 633 | return buf; |
| 634 | } |
| 635 | } |
| 636 | |
| 637 | #define DO_THROW(name) \ |
| 638 | void JVMCIEnv::throw_##name(const char* msg) { \ |
| 639 | if (is_hotspot()) { \ |
| 640 | JavaThread* THREAD = JavaThread::current(); \ |
| 641 | THROW_MSG(HotSpotJVMCI::name::symbol(), msg); \ |
| 642 | } else { \ |
| 643 | JNIAccessMark jni(this); \ |
| 644 | jni()->ThrowNew(JNIJVMCI::name::clazz(), msg); \ |
| 645 | } \ |
| 646 | } |
| 647 | |
| 648 | DO_THROW(InternalError) |
| 649 | DO_THROW(ArrayIndexOutOfBoundsException) |
| 650 | DO_THROW(IllegalStateException) |
| 651 | DO_THROW(NullPointerException) |
| 652 | DO_THROW(IllegalArgumentException) |
| 653 | DO_THROW(InvalidInstalledCodeException) |
| 654 | DO_THROW(UnsatisfiedLinkError) |
| 655 | DO_THROW(UnsupportedOperationException) |
| 656 | DO_THROW(ClassNotFoundException) |
| 657 | |
| 658 | #undef DO_THROW |
| 659 | |
| 660 | void JVMCIEnv::fthrow_error(const char* file, int line, const char* format, ...) { |
| 661 | const int max_msg_size = 1024; |
| 662 | va_list ap; |
| 663 | va_start(ap, format); |
| 664 | char msg[max_msg_size]; |
| 665 | vsnprintf(msg, max_msg_size, format, ap); |
| 666 | msg[max_msg_size-1] = '\0'; |
| 667 | va_end(ap); |
| 668 | if (is_hotspot()) { |
| 669 | JavaThread* THREAD = JavaThread::current(); |
| 670 | Handle h_loader = Handle(); |
| 671 | Handle h_protection_domain = Handle(); |
| 672 | Exceptions::_throw_msg(THREAD, file, line, vmSymbols::jdk_vm_ci_common_JVMCIError(), msg, h_loader, h_protection_domain); |
| 673 | } else { |
| 674 | JNIAccessMark jni(this); |
| 675 | jni()->ThrowNew(JNIJVMCI::JVMCIError::clazz(), msg); |
| 676 | } |
| 677 | } |
| 678 | |
| 679 | JVMCIObject JVMCIEnv::call_HotSpotJVMCIRuntime_compileMethod (JVMCIObject runtime, JVMCIObject method, int entry_bci, |
| 680 | jlong compile_state, int id) { |
| 681 | if (is_hotspot()) { |
| 682 | Thread* THREAD = Thread::current(); |
| 683 | JavaCallArguments jargs; |
| 684 | jargs.push_oop(Handle(THREAD, HotSpotJVMCI::resolve(runtime))); |
| 685 | jargs.push_oop(Handle(THREAD, HotSpotJVMCI::resolve(method))); |
| 686 | jargs.push_int(entry_bci); |
| 687 | jargs.push_long(compile_state); |
| 688 | jargs.push_int(id); |
| 689 | JavaValue result(T_OBJECT); |
| 690 | JavaCalls::call_special(&result, |
| 691 | HotSpotJVMCI::HotSpotJVMCIRuntime::klass(), |
| 692 | vmSymbols::compileMethod_name(), |
| 693 | vmSymbols::compileMethod_signature(), &jargs, CHECK_(JVMCIObject())); |
| 694 | return wrap((oop) result.get_jobject()); |
| 695 | } else { |
| 696 | JNIAccessMark jni(this); |
| 697 | jobject result = jni()->CallNonvirtualObjectMethod(runtime.as_jobject(), |
| 698 | JNIJVMCI::HotSpotJVMCIRuntime::clazz(), |
| 699 | JNIJVMCI::HotSpotJVMCIRuntime::compileMethod_method(), |
| 700 | method.as_jobject(), entry_bci, compile_state, id); |
| 701 | if (jni()->ExceptionCheck()) { |
| 702 | return JVMCIObject(); |
| 703 | } |
| 704 | return wrap(result); |
| 705 | } |
| 706 | } |
| 707 | |
| 708 | void JVMCIEnv::call_HotSpotJVMCIRuntime_bootstrapFinished (JVMCIObject runtime, JVMCIEnv* JVMCIENV) { |
| 709 | if (is_hotspot()) { |
| 710 | Thread* THREAD = Thread::current(); |
| 711 | JavaCallArguments jargs; |
| 712 | jargs.push_oop(Handle(THREAD, HotSpotJVMCI::resolve(runtime))); |
| 713 | JavaValue result(T_VOID); |
| 714 | JavaCalls::call_special(&result, HotSpotJVMCI::HotSpotJVMCIRuntime::klass(), vmSymbols::bootstrapFinished_name(), vmSymbols::void_method_signature(), &jargs, CHECK); |
| 715 | } else { |
| 716 | JNIAccessMark jni(this); |
| 717 | jni()->CallNonvirtualVoidMethod(runtime.as_jobject(), JNIJVMCI::HotSpotJVMCIRuntime::clazz(), JNIJVMCI::HotSpotJVMCIRuntime::bootstrapFinished_method()); |
| 718 | |
| 719 | } |
| 720 | } |
| 721 | |
| 722 | void JVMCIEnv::call_HotSpotJVMCIRuntime_shutdown (JVMCIObject runtime) { |
| 723 | HandleMark hm; |
| 724 | JavaThread* THREAD = JavaThread::current(); |
| 725 | if (is_hotspot()) { |
| 726 | JavaCallArguments jargs; |
| 727 | jargs.push_oop(Handle(THREAD, HotSpotJVMCI::resolve(runtime))); |
| 728 | JavaValue result(T_VOID); |
| 729 | JavaCalls::call_special(&result, HotSpotJVMCI::HotSpotJVMCIRuntime::klass(), vmSymbols::shutdown_name(), vmSymbols::void_method_signature(), &jargs, THREAD); |
| 730 | } else { |
| 731 | JNIAccessMark jni(this); |
| 732 | jni()->CallNonvirtualVoidMethod(runtime.as_jobject(), JNIJVMCI::HotSpotJVMCIRuntime::clazz(), JNIJVMCI::HotSpotJVMCIRuntime::shutdown_method()); |
| 733 | } |
| 734 | if (has_pending_exception()) { |
| 735 | // This should never happen as HotSpotJVMCIRuntime.shutdown() should |
| 736 | // handle all exceptions. |
| 737 | describe_pending_exception(true); |
| 738 | } |
| 739 | } |
| 740 | |
| 741 | JVMCIObject JVMCIEnv::call_HotSpotJVMCIRuntime_runtime (JVMCIEnv* JVMCIENV) { |
| 742 | JavaThread* THREAD = JavaThread::current(); |
| 743 | if (is_hotspot()) { |
| 744 | JavaCallArguments jargs; |
| 745 | JavaValue result(T_OBJECT); |
| 746 | JavaCalls::call_static(&result, HotSpotJVMCI::HotSpotJVMCIRuntime::klass(), vmSymbols::runtime_name(), vmSymbols::runtime_signature(), &jargs, CHECK_(JVMCIObject())); |
| 747 | return wrap((oop) result.get_jobject()); |
| 748 | } else { |
| 749 | JNIAccessMark jni(this); |
| 750 | jobject result = jni()->CallStaticObjectMethod(JNIJVMCI::HotSpotJVMCIRuntime::clazz(), JNIJVMCI::HotSpotJVMCIRuntime::runtime_method()); |
| 751 | if (jni()->ExceptionCheck()) { |
| 752 | return JVMCIObject(); |
| 753 | } |
| 754 | return wrap(result); |
| 755 | } |
| 756 | } |
| 757 | |
| 758 | JVMCIObject JVMCIEnv::call_JVMCI_getRuntime (JVMCIEnv* JVMCIENV) { |
| 759 | JavaThread* THREAD = JavaThread::current(); |
| 760 | if (is_hotspot()) { |
| 761 | JavaCallArguments jargs; |
| 762 | JavaValue result(T_OBJECT); |
| 763 | JavaCalls::call_static(&result, HotSpotJVMCI::JVMCI::klass(), vmSymbols::getRuntime_name(), vmSymbols::getRuntime_signature(), &jargs, CHECK_(JVMCIObject())); |
| 764 | return wrap((oop) result.get_jobject()); |
| 765 | } else { |
| 766 | JNIAccessMark jni(this); |
| 767 | jobject result = jni()->CallStaticObjectMethod(JNIJVMCI::JVMCI::clazz(), JNIJVMCI::JVMCI::getRuntime_method()); |
| 768 | if (jni()->ExceptionCheck()) { |
| 769 | return JVMCIObject(); |
| 770 | } |
| 771 | return wrap(result); |
| 772 | } |
| 773 | } |
| 774 | |
| 775 | JVMCIObject JVMCIEnv::call_HotSpotJVMCIRuntime_getCompiler (JVMCIObject runtime, JVMCIEnv* JVMCIENV) { |
| 776 | JavaThread* THREAD = JavaThread::current(); |
| 777 | if (is_hotspot()) { |
| 778 | JavaCallArguments jargs; |
| 779 | jargs.push_oop(Handle(THREAD, HotSpotJVMCI::resolve(runtime))); |
| 780 | JavaValue result(T_OBJECT); |
| 781 | JavaCalls::call_virtual(&result, HotSpotJVMCI::HotSpotJVMCIRuntime::klass(), vmSymbols::getCompiler_name(), vmSymbols::getCompiler_signature(), &jargs, CHECK_(JVMCIObject())); |
| 782 | return wrap((oop) result.get_jobject()); |
| 783 | } else { |
| 784 | JNIAccessMark jni(this); |
| 785 | jobject result = jni()->CallObjectMethod(runtime.as_jobject(), JNIJVMCI::HotSpotJVMCIRuntime::getCompiler_method()); |
| 786 | if (jni()->ExceptionCheck()) { |
| 787 | return JVMCIObject(); |
| 788 | } |
| 789 | return wrap(result); |
| 790 | } |
| 791 | } |
| 792 | |
| 793 | |
| 794 | JVMCIObject JVMCIEnv::call_HotSpotJVMCIRuntime_callToString(JVMCIObject object, JVMCIEnv* JVMCIENV) { |
| 795 | JavaThread* THREAD = JavaThread::current(); |
| 796 | if (is_hotspot()) { |
| 797 | JavaCallArguments jargs; |
| 798 | jargs.push_oop(Handle(THREAD, HotSpotJVMCI::resolve(object))); |
| 799 | JavaValue result(T_OBJECT); |
| 800 | JavaCalls::call_static(&result, |
| 801 | HotSpotJVMCI::HotSpotJVMCIRuntime::klass(), |
| 802 | vmSymbols::callToString_name(), |
| 803 | vmSymbols::callToString_signature(), &jargs, CHECK_(JVMCIObject())); |
| 804 | return wrap((oop) result.get_jobject()); |
| 805 | } else { |
| 806 | JNIAccessMark jni(this); |
| 807 | jobject result = (jstring) jni()->CallStaticObjectMethod(JNIJVMCI::HotSpotJVMCIRuntime::clazz(), |
| 808 | JNIJVMCI::HotSpotJVMCIRuntime::callToString_method(), |
| 809 | object.as_jobject()); |
| 810 | if (jni()->ExceptionCheck()) { |
| 811 | return JVMCIObject(); |
| 812 | } |
| 813 | return wrap(result); |
| 814 | } |
| 815 | } |
| 816 | |
| 817 | |
| 818 | JVMCIObject JVMCIEnv::call_PrimitiveConstant_forTypeChar(jchar kind, jlong value, JVMCI_TRAPS) { |
| 819 | JavaThread* THREAD = JavaThread::current(); |
| 820 | if (is_hotspot()) { |
| 821 | JavaCallArguments jargs; |
| 822 | jargs.push_int(kind); |
| 823 | jargs.push_long(value); |
| 824 | JavaValue result(T_OBJECT); |
| 825 | JavaCalls::call_static(&result, |
| 826 | HotSpotJVMCI::PrimitiveConstant::klass(), |
| 827 | vmSymbols::forTypeChar_name(), |
| 828 | vmSymbols::forTypeChar_signature(), &jargs, CHECK_(JVMCIObject())); |
| 829 | return wrap((oop) result.get_jobject()); |
| 830 | } else { |
| 831 | JNIAccessMark jni(this); |
| 832 | jobject result = (jstring) jni()->CallStaticObjectMethod(JNIJVMCI::PrimitiveConstant::clazz(), |
| 833 | JNIJVMCI::PrimitiveConstant::forTypeChar_method(), |
| 834 | kind, value); |
| 835 | if (jni()->ExceptionCheck()) { |
| 836 | return JVMCIObject(); |
| 837 | } |
| 838 | return wrap(result); |
| 839 | } |
| 840 | } |
| 841 | |
| 842 | JVMCIObject JVMCIEnv::call_JavaConstant_forFloat(float value, JVMCI_TRAPS) { |
| 843 | JavaThread* THREAD = JavaThread::current(); |
| 844 | if (is_hotspot()) { |
| 845 | JavaCallArguments jargs; |
| 846 | jargs.push_float(value); |
| 847 | JavaValue result(T_OBJECT); |
| 848 | JavaCalls::call_static(&result, |
| 849 | HotSpotJVMCI::JavaConstant::klass(), |
| 850 | vmSymbols::forFloat_name(), |
| 851 | vmSymbols::forFloat_signature(), &jargs, CHECK_(JVMCIObject())); |
| 852 | return wrap((oop) result.get_jobject()); |
| 853 | } else { |
| 854 | JNIAccessMark jni(this); |
| 855 | jobject result = (jstring) jni()->CallStaticObjectMethod(JNIJVMCI::JavaConstant::clazz(), |
| 856 | JNIJVMCI::JavaConstant::forFloat_method(), |
| 857 | value); |
| 858 | if (jni()->ExceptionCheck()) { |
| 859 | return JVMCIObject(); |
| 860 | } |
| 861 | return wrap(result); |
| 862 | } |
| 863 | } |
| 864 | |
| 865 | JVMCIObject JVMCIEnv::call_JavaConstant_forDouble(double value, JVMCI_TRAPS) { |
| 866 | JavaThread* THREAD = JavaThread::current(); |
| 867 | if (is_hotspot()) { |
| 868 | JavaCallArguments jargs; |
| 869 | jargs.push_double(value); |
| 870 | JavaValue result(T_OBJECT); |
| 871 | JavaCalls::call_static(&result, |
| 872 | HotSpotJVMCI::JavaConstant::klass(), |
| 873 | vmSymbols::forDouble_name(), |
| 874 | vmSymbols::forDouble_signature(), &jargs, CHECK_(JVMCIObject())); |
| 875 | return wrap((oop) result.get_jobject()); |
| 876 | } else { |
| 877 | JNIAccessMark jni(this); |
| 878 | jobject result = (jstring) jni()->CallStaticObjectMethod(JNIJVMCI::JavaConstant::clazz(), |
| 879 | JNIJVMCI::JavaConstant::forDouble_method(), |
| 880 | value); |
| 881 | if (jni()->ExceptionCheck()) { |
| 882 | return JVMCIObject(); |
| 883 | } |
| 884 | return wrap(result); |
| 885 | } |
| 886 | } |
| 887 | |
| 888 | JVMCIObject JVMCIEnv::get_jvmci_primitive_type(BasicType type) { |
| 889 | JVMCIObjectArray primitives = get_HotSpotResolvedPrimitiveType_primitives(); |
| 890 | JVMCIObject result = get_object_at(primitives, type); |
| 891 | return result; |
| 892 | } |
| 893 | |
| 894 | JVMCIObject JVMCIEnv::new_StackTraceElement(const methodHandle& method, int bci, JVMCI_TRAPS) { |
| 895 | JavaThread* THREAD = JavaThread::current(); |
| 896 | Symbol* method_name_sym; |
| 897 | Symbol* file_name_sym; |
| 898 | int line_number; |
| 899 | Handle mirror (THREAD, method->method_holder()->java_mirror()); |
| 900 | java_lang_StackTraceElement::decode(mirror, method, bci, method_name_sym, file_name_sym, line_number); |
| 901 | |
| 902 | InstanceKlass* holder = method->method_holder(); |
| 903 | const char* declaring_class_str = holder->external_name(); |
| 904 | |
| 905 | if (is_hotspot()) { |
| 906 | HotSpotJVMCI::StackTraceElement::klass()->initialize(CHECK_(JVMCIObject())); |
| 907 | oop objOop = HotSpotJVMCI::StackTraceElement::klass()->allocate_instance(CHECK_(JVMCIObject())); |
| 908 | Handle obj = Handle(THREAD, objOop); |
| 909 | |
| 910 | oop declaring_class = StringTable::intern((char*) declaring_class_str, CHECK_(JVMCIObject())); |
| 911 | HotSpotJVMCI::StackTraceElement::set_declaringClass(this, obj(), declaring_class); |
| 912 | |
| 913 | oop method_name = StringTable::intern(method_name_sym, CHECK_(JVMCIObject())); |
| 914 | HotSpotJVMCI::StackTraceElement::set_methodName(this, obj(), method_name); |
| 915 | |
| 916 | if (file_name_sym != NULL) { |
| 917 | oop file_name = StringTable::intern(file_name_sym, CHECK_(JVMCIObject())); |
| 918 | HotSpotJVMCI::StackTraceElement::set_fileName(this, obj(), file_name); |
| 919 | } |
| 920 | HotSpotJVMCI::StackTraceElement::set_lineNumber(this, obj(), line_number); |
| 921 | return wrap(obj()); |
| 922 | } else { |
| 923 | JNIAccessMark jni(this); |
| 924 | jobject declaring_class = jni()->NewStringUTF(declaring_class_str); |
| 925 | if (jni()->ExceptionCheck()) { |
| 926 | return JVMCIObject(); |
| 927 | } |
| 928 | jobject method_name = jni()->NewStringUTF(method_name_sym->as_C_string()); |
| 929 | if (jni()->ExceptionCheck()) { |
| 930 | return JVMCIObject(); |
| 931 | } |
| 932 | jobject file_name = NULL; |
| 933 | if (file_name_sym != NULL) { |
| 934 | file_name = jni()->NewStringUTF(file_name_sym->as_C_string()); |
| 935 | if (jni()->ExceptionCheck()) { |
| 936 | return JVMCIObject(); |
| 937 | } |
| 938 | } |
| 939 | |
| 940 | jobject result = jni()->NewObject(JNIJVMCI::StackTraceElement::clazz(), |
| 941 | JNIJVMCI::StackTraceElement::constructor(), |
| 942 | declaring_class, method_name, file_name, line_number); |
| 943 | return wrap(result); |
| 944 | } |
| 945 | } |
| 946 | |
| 947 | JVMCIObject JVMCIEnv::new_HotSpotNmethod(const methodHandle& method, const char* name, jboolean isDefault, jlong compileId, JVMCI_TRAPS) { |
| 948 | JavaThread* THREAD = JavaThread::current(); |
| 949 | |
| 950 | JVMCIObject methodObject = get_jvmci_method(method(), JVMCI_CHECK_(JVMCIObject())); |
| 951 | |
| 952 | if (is_hotspot()) { |
| 953 | InstanceKlass* ik = InstanceKlass::cast(HotSpotJVMCI::HotSpotNmethod::klass()); |
| 954 | if (ik->should_be_initialized()) { |
| 955 | ik->initialize(CHECK_(JVMCIObject())); |
| 956 | } |
| 957 | oop obj = ik->allocate_instance(CHECK_(JVMCIObject())); |
| 958 | Handle obj_h(THREAD, obj); |
| 959 | Handle nameStr = java_lang_String::create_from_str(name, CHECK_(JVMCIObject())); |
| 960 | |
| 961 | // Call constructor |
| 962 | JavaCallArguments jargs; |
| 963 | jargs.push_oop(obj_h); |
| 964 | jargs.push_oop(Handle(THREAD, HotSpotJVMCI::resolve(methodObject))); |
| 965 | jargs.push_oop(nameStr); |
| 966 | jargs.push_int(isDefault); |
| 967 | jargs.push_long(compileId); |
| 968 | JavaValue result(T_VOID); |
| 969 | JavaCalls::call_special(&result, ik, |
| 970 | vmSymbols::object_initializer_name(), |
| 971 | vmSymbols::method_string_bool_long_signature(), |
| 972 | &jargs, CHECK_(JVMCIObject())); |
| 973 | return wrap(obj_h()); |
| 974 | } else { |
| 975 | JNIAccessMark jni(this); |
| 976 | jobject nameStr = name == NULL ? NULL : jni()->NewStringUTF(name); |
| 977 | if (jni()->ExceptionCheck()) { |
| 978 | return JVMCIObject(); |
| 979 | } |
| 980 | |
| 981 | jobject result = jni()->NewObject(JNIJVMCI::HotSpotNmethod::clazz(), |
| 982 | JNIJVMCI::HotSpotNmethod::constructor(), |
| 983 | methodObject.as_jobject(), nameStr, isDefault); |
| 984 | return wrap(result); |
| 985 | } |
| 986 | } |
| 987 | |
| 988 | JVMCIObject JVMCIEnv::make_local(JVMCIObject object) { |
| 989 | if (object.is_null()) { |
| 990 | return JVMCIObject(); |
| 991 | } |
| 992 | if (is_hotspot()) { |
| 993 | return wrap(JNIHandles::make_local(HotSpotJVMCI::resolve(object))); |
| 994 | } else { |
| 995 | JNIAccessMark jni(this); |
| 996 | return wrap(jni()->NewLocalRef(object.as_jobject())); |
| 997 | } |
| 998 | } |
| 999 | |
| 1000 | JVMCIObject JVMCIEnv::make_global(JVMCIObject object) { |
| 1001 | if (object.is_null()) { |
| 1002 | return JVMCIObject(); |
| 1003 | } |
| 1004 | if (is_hotspot()) { |
| 1005 | return wrap(JNIHandles::make_global(Handle(Thread::current(), HotSpotJVMCI::resolve(object)))); |
| 1006 | } else { |
| 1007 | JNIAccessMark jni(this); |
| 1008 | return wrap(jni()->NewGlobalRef(object.as_jobject())); |
| 1009 | } |
| 1010 | } |
| 1011 | |
| 1012 | JVMCIObject JVMCIEnv::make_weak(JVMCIObject object) { |
| 1013 | if (object.is_null()) { |
| 1014 | return JVMCIObject(); |
| 1015 | } |
| 1016 | if (is_hotspot()) { |
| 1017 | return wrap(JNIHandles::make_weak_global(Handle(Thread::current(), HotSpotJVMCI::resolve(object)))); |
| 1018 | } else { |
| 1019 | JNIAccessMark jni(this); |
| 1020 | return wrap(jni()->NewWeakGlobalRef(object.as_jobject())); |
| 1021 | } |
| 1022 | } |
| 1023 | |
| 1024 | void JVMCIEnv::destroy_local(JVMCIObject object) { |
| 1025 | if (is_hotspot()) { |
| 1026 | JNIHandles::destroy_local(object.as_jobject()); |
| 1027 | } else { |
| 1028 | JNIAccessMark jni(this); |
| 1029 | jni()->DeleteLocalRef(object.as_jobject()); |
| 1030 | } |
| 1031 | } |
| 1032 | |
| 1033 | void JVMCIEnv::destroy_global(JVMCIObject object) { |
| 1034 | if (is_hotspot()) { |
| 1035 | JNIHandles::destroy_global(object.as_jobject()); |
| 1036 | } else { |
| 1037 | JNIAccessMark jni(this); |
| 1038 | jni()->DeleteGlobalRef(object.as_jobject()); |
| 1039 | } |
| 1040 | } |
| 1041 | |
| 1042 | void JVMCIEnv::destroy_weak(JVMCIObject object) { |
| 1043 | if (is_hotspot()) { |
| 1044 | JNIHandles::destroy_weak_global(object.as_jweak()); |
| 1045 | } else { |
| 1046 | JNIAccessMark jni(this); |
| 1047 | jni()->DeleteWeakGlobalRef(object.as_jweak()); |
| 1048 | } |
| 1049 | } |
| 1050 | |
| 1051 | const char* JVMCIEnv::klass_name(JVMCIObject object) { |
| 1052 | if (is_hotspot()) { |
| 1053 | return HotSpotJVMCI::resolve(object)->klass()->signature_name(); |
| 1054 | } else { |
| 1055 | JVMCIObject name; |
| 1056 | { |
| 1057 | JNIAccessMark jni(this); |
| 1058 | jclass jcl = jni()->GetObjectClass(object.as_jobject()); |
| 1059 | jobject result = jni()->CallObjectMethod(jcl, JNIJVMCI::Class_getName_method()); |
| 1060 | name = JVMCIObject::create(result, is_hotspot()); |
| 1061 | } |
| 1062 | return as_utf8_string(name); |
| 1063 | } |
| 1064 | } |
| 1065 | |
| 1066 | JVMCIObject JVMCIEnv::get_jvmci_method(const methodHandle& method, JVMCI_TRAPS) { |
| 1067 | JVMCIObject method_object; |
| 1068 | if (method() == NULL) { |
| 1069 | return method_object; |
| 1070 | } |
| 1071 | |
| 1072 | Thread* THREAD = Thread::current(); |
| 1073 | jmetadata handle = JVMCI::allocate_handle(method); |
| 1074 | jboolean exception = false; |
| 1075 | if (is_hotspot()) { |
| 1076 | JavaValue result(T_OBJECT); |
| 1077 | JavaCallArguments args; |
| 1078 | args.push_long((jlong) handle); |
| 1079 | JavaCalls::call_static(&result, HotSpotJVMCI::HotSpotResolvedJavaMethodImpl::klass(), |
| 1080 | vmSymbols::fromMetaspace_name(), |
| 1081 | vmSymbols::method_fromMetaspace_signature(), &args, THREAD); |
| 1082 | if (HAS_PENDING_EXCEPTION) { |
| 1083 | exception = true; |
| 1084 | } else { |
| 1085 | method_object = wrap((oop)result.get_jobject()); |
| 1086 | } |
| 1087 | } else { |
| 1088 | JNIAccessMark jni(this); |
| 1089 | method_object = JNIJVMCI::wrap(jni()->CallStaticObjectMethod(JNIJVMCI::HotSpotResolvedJavaMethodImpl::clazz(), |
| 1090 | JNIJVMCI::HotSpotResolvedJavaMethodImpl_fromMetaspace_method(), |
| 1091 | (jlong) handle)); |
| 1092 | exception = jni()->ExceptionCheck(); |
| 1093 | } |
| 1094 | |
| 1095 | if (exception) { |
| 1096 | JVMCI::release_handle(handle); |
| 1097 | return JVMCIObject(); |
| 1098 | } |
| 1099 | |
| 1100 | assert(asMethod(method_object) == method(), "must be" ); |
| 1101 | if (get_HotSpotResolvedJavaMethodImpl_metadataHandle(method_object) != (jlong) handle) { |
| 1102 | JVMCI::release_handle(handle); |
| 1103 | } |
| 1104 | assert(!method_object.is_null(), "must be" ); |
| 1105 | return method_object; |
| 1106 | } |
| 1107 | |
| 1108 | JVMCIObject JVMCIEnv::get_jvmci_type(const JVMCIKlassHandle& klass, JVMCI_TRAPS) { |
| 1109 | JVMCIObject type; |
| 1110 | if (klass.is_null()) { |
| 1111 | return type; |
| 1112 | } |
| 1113 | |
| 1114 | jlong pointer = (jlong) klass(); |
| 1115 | JavaThread* THREAD = JavaThread::current(); |
| 1116 | JVMCIObject signature = create_string(klass->signature_name(), JVMCI_CHECK_(JVMCIObject())); |
| 1117 | jboolean exception = false; |
| 1118 | if (is_hotspot()) { |
| 1119 | JavaValue result(T_OBJECT); |
| 1120 | JavaCallArguments args; |
| 1121 | args.push_long(pointer); |
| 1122 | args.push_oop(Handle(THREAD, HotSpotJVMCI::resolve(signature))); |
| 1123 | JavaCalls::call_static(&result, |
| 1124 | HotSpotJVMCI::HotSpotResolvedObjectTypeImpl::klass(), |
| 1125 | vmSymbols::fromMetaspace_name(), |
| 1126 | vmSymbols::klass_fromMetaspace_signature(), &args, THREAD); |
| 1127 | |
| 1128 | if (HAS_PENDING_EXCEPTION) { |
| 1129 | exception = true; |
| 1130 | } else { |
| 1131 | type = wrap((oop)result.get_jobject()); |
| 1132 | } |
| 1133 | } else { |
| 1134 | JNIAccessMark jni(this); |
| 1135 | |
| 1136 | HandleMark hm(THREAD); |
| 1137 | type = JNIJVMCI::wrap(jni()->CallStaticObjectMethod(JNIJVMCI::HotSpotResolvedObjectTypeImpl::clazz(), |
| 1138 | JNIJVMCI::HotSpotResolvedObjectTypeImpl_fromMetaspace_method(), |
| 1139 | pointer, signature.as_jstring())); |
| 1140 | exception = jni()->ExceptionCheck(); |
| 1141 | } |
| 1142 | if (exception) { |
| 1143 | return JVMCIObject(); |
| 1144 | } |
| 1145 | |
| 1146 | assert(type.is_non_null(), "must have result" ); |
| 1147 | return type; |
| 1148 | } |
| 1149 | |
| 1150 | JVMCIObject JVMCIEnv::get_jvmci_constant_pool(const constantPoolHandle& cp, JVMCI_TRAPS) { |
| 1151 | JVMCIObject cp_object; |
| 1152 | jmetadata handle = JVMCI::allocate_handle(cp); |
| 1153 | jboolean exception = false; |
| 1154 | if (is_hotspot()) { |
| 1155 | JavaThread* THREAD = JavaThread::current(); |
| 1156 | JavaValue result(T_OBJECT); |
| 1157 | JavaCallArguments args; |
| 1158 | args.push_long((jlong) handle); |
| 1159 | JavaCalls::call_static(&result, |
| 1160 | HotSpotJVMCI::HotSpotConstantPool::klass(), |
| 1161 | vmSymbols::fromMetaspace_name(), |
| 1162 | vmSymbols::constantPool_fromMetaspace_signature(), &args, THREAD); |
| 1163 | if (HAS_PENDING_EXCEPTION) { |
| 1164 | exception = true; |
| 1165 | } else { |
| 1166 | cp_object = wrap((oop)result.get_jobject()); |
| 1167 | } |
| 1168 | } else { |
| 1169 | JNIAccessMark jni(this); |
| 1170 | cp_object = JNIJVMCI::wrap(jni()->CallStaticObjectMethod(JNIJVMCI::HotSpotConstantPool::clazz(), |
| 1171 | JNIJVMCI::HotSpotConstantPool_fromMetaspace_method(), |
| 1172 | (jlong) handle)); |
| 1173 | exception = jni()->ExceptionCheck(); |
| 1174 | } |
| 1175 | |
| 1176 | if (exception) { |
| 1177 | JVMCI::release_handle(handle); |
| 1178 | return JVMCIObject(); |
| 1179 | } |
| 1180 | |
| 1181 | assert(!cp_object.is_null(), "must be" ); |
| 1182 | // Constant pools aren't cached so this is always a newly created object using the handle |
| 1183 | assert(get_HotSpotConstantPool_metadataHandle(cp_object) == (jlong) handle, "must use same handle" ); |
| 1184 | return cp_object; |
| 1185 | } |
| 1186 | |
| 1187 | JVMCIPrimitiveArray JVMCIEnv::new_booleanArray(int length, JVMCI_TRAPS) { |
| 1188 | if (is_hotspot()) { |
| 1189 | JavaThread* THREAD = JavaThread::current(); |
| 1190 | typeArrayOop result = oopFactory::new_boolArray(length, CHECK_(JVMCIObject())); |
| 1191 | return wrap(result); |
| 1192 | } else { |
| 1193 | JNIAccessMark jni(this); |
| 1194 | jbooleanArray result = jni()->NewBooleanArray(length); |
| 1195 | return wrap(result); |
| 1196 | } |
| 1197 | } |
| 1198 | |
| 1199 | JVMCIPrimitiveArray JVMCIEnv::new_byteArray(int length, JVMCI_TRAPS) { |
| 1200 | if (is_hotspot()) { |
| 1201 | JavaThread* THREAD = JavaThread::current(); |
| 1202 | typeArrayOop result = oopFactory::new_byteArray(length, CHECK_(JVMCIObject())); |
| 1203 | return wrap(result); |
| 1204 | } else { |
| 1205 | JNIAccessMark jni(this); |
| 1206 | jbyteArray result = jni()->NewByteArray(length); |
| 1207 | return wrap(result); |
| 1208 | } |
| 1209 | } |
| 1210 | |
| 1211 | JVMCIObjectArray JVMCIEnv::new_byte_array_array(int length, JVMCI_TRAPS) { |
| 1212 | if (is_hotspot()) { |
| 1213 | JavaThread* THREAD = JavaThread::current(); |
| 1214 | Klass* byteArrayArrayKlass = TypeArrayKlass::cast(Universe::byteArrayKlassObj ())->array_klass(CHECK_(JVMCIObject())); |
| 1215 | objArrayOop result = ObjArrayKlass::cast(byteArrayArrayKlass) ->allocate(length, CHECK_(JVMCIObject())); |
| 1216 | return wrap(result); |
| 1217 | } else { |
| 1218 | JNIAccessMark jni(this); |
| 1219 | jobjectArray result = jni()->NewObjectArray(length, JNIJVMCI::byte_array(), NULL); |
| 1220 | return wrap(result); |
| 1221 | } |
| 1222 | } |
| 1223 | |
| 1224 | JVMCIPrimitiveArray JVMCIEnv::new_intArray(int length, JVMCI_TRAPS) { |
| 1225 | if (is_hotspot()) { |
| 1226 | JavaThread* THREAD = JavaThread::current(); |
| 1227 | typeArrayOop result = oopFactory::new_intArray(length, CHECK_(JVMCIObject())); |
| 1228 | return wrap(result); |
| 1229 | } else { |
| 1230 | JNIAccessMark jni(this); |
| 1231 | jintArray result = jni()->NewIntArray(length); |
| 1232 | return wrap(result); |
| 1233 | } |
| 1234 | } |
| 1235 | |
| 1236 | JVMCIPrimitiveArray JVMCIEnv::new_longArray(int length, JVMCI_TRAPS) { |
| 1237 | if (is_hotspot()) { |
| 1238 | JavaThread* THREAD = JavaThread::current(); |
| 1239 | typeArrayOop result = oopFactory::new_longArray(length, CHECK_(JVMCIObject())); |
| 1240 | return wrap(result); |
| 1241 | } else { |
| 1242 | JNIAccessMark jni(this); |
| 1243 | jlongArray result = jni()->NewLongArray(length); |
| 1244 | return wrap(result); |
| 1245 | } |
| 1246 | } |
| 1247 | |
| 1248 | JVMCIObject JVMCIEnv::new_VMField(JVMCIObject name, JVMCIObject type, jlong offset, jlong address, JVMCIObject value, JVMCI_TRAPS) { |
| 1249 | if (is_hotspot()) { |
| 1250 | JavaThread* THREAD = JavaThread::current(); |
| 1251 | HotSpotJVMCI::VMField::klass()->initialize(CHECK_(JVMCIObject())); |
| 1252 | oop obj = HotSpotJVMCI::VMField::klass()->allocate_instance(CHECK_(JVMCIObject())); |
| 1253 | HotSpotJVMCI::VMField::set_name(this, obj, HotSpotJVMCI::resolve(name)); |
| 1254 | HotSpotJVMCI::VMField::set_type(this, obj, HotSpotJVMCI::resolve(type)); |
| 1255 | HotSpotJVMCI::VMField::set_offset(this, obj, offset); |
| 1256 | HotSpotJVMCI::VMField::set_address(this, obj, address); |
| 1257 | HotSpotJVMCI::VMField::set_value(this, obj, HotSpotJVMCI::resolve(value)); |
| 1258 | return wrap(obj); |
| 1259 | } else { |
| 1260 | JNIAccessMark jni(this); |
| 1261 | jobject result = jni()->NewObject(JNIJVMCI::VMField::clazz(), |
| 1262 | JNIJVMCI::VMField::constructor(), |
| 1263 | get_jobject(name), get_jobject(type), offset, address, get_jobject(value)); |
| 1264 | return wrap(result); |
| 1265 | } |
| 1266 | } |
| 1267 | |
| 1268 | JVMCIObject JVMCIEnv::new_VMFlag(JVMCIObject name, JVMCIObject type, JVMCIObject value, JVMCI_TRAPS) { |
| 1269 | if (is_hotspot()) { |
| 1270 | JavaThread* THREAD = JavaThread::current(); |
| 1271 | HotSpotJVMCI::VMFlag::klass()->initialize(CHECK_(JVMCIObject())); |
| 1272 | oop obj = HotSpotJVMCI::VMFlag::klass()->allocate_instance(CHECK_(JVMCIObject())); |
| 1273 | HotSpotJVMCI::VMFlag::set_name(this, obj, HotSpotJVMCI::resolve(name)); |
| 1274 | HotSpotJVMCI::VMFlag::set_type(this, obj, HotSpotJVMCI::resolve(type)); |
| 1275 | HotSpotJVMCI::VMFlag::set_value(this, obj, HotSpotJVMCI::resolve(value)); |
| 1276 | return wrap(obj); |
| 1277 | } else { |
| 1278 | JNIAccessMark jni(this); |
| 1279 | jobject result = jni()->NewObject(JNIJVMCI::VMFlag::clazz(), |
| 1280 | JNIJVMCI::VMFlag::constructor(), |
| 1281 | get_jobject(name), get_jobject(type), get_jobject(value)); |
| 1282 | return wrap(result); |
| 1283 | } |
| 1284 | } |
| 1285 | |
| 1286 | JVMCIObject JVMCIEnv::new_VMIntrinsicMethod(JVMCIObject declaringClass, JVMCIObject name, JVMCIObject descriptor, int id, JVMCI_TRAPS) { |
| 1287 | if (is_hotspot()) { |
| 1288 | JavaThread* THREAD = JavaThread::current(); |
| 1289 | HotSpotJVMCI::VMIntrinsicMethod::klass()->initialize(CHECK_(JVMCIObject())); |
| 1290 | oop obj = HotSpotJVMCI::VMIntrinsicMethod::klass()->allocate_instance(CHECK_(JVMCIObject())); |
| 1291 | HotSpotJVMCI::VMIntrinsicMethod::set_declaringClass(this, obj, HotSpotJVMCI::resolve(declaringClass)); |
| 1292 | HotSpotJVMCI::VMIntrinsicMethod::set_name(this, obj, HotSpotJVMCI::resolve(name)); |
| 1293 | HotSpotJVMCI::VMIntrinsicMethod::set_descriptor(this, obj, HotSpotJVMCI::resolve(descriptor)); |
| 1294 | HotSpotJVMCI::VMIntrinsicMethod::set_id(this, obj, id); |
| 1295 | return wrap(obj); |
| 1296 | } else { |
| 1297 | JNIAccessMark jni(this); |
| 1298 | jobject result = jni()->NewObject(JNIJVMCI::VMIntrinsicMethod::clazz(), |
| 1299 | JNIJVMCI::VMIntrinsicMethod::constructor(), |
| 1300 | get_jobject(declaringClass), get_jobject(name), get_jobject(descriptor), id); |
| 1301 | return wrap(result); |
| 1302 | } |
| 1303 | } |
| 1304 | |
| 1305 | JVMCIObject JVMCIEnv::new_HotSpotStackFrameReference(JVMCI_TRAPS) { |
| 1306 | if (is_hotspot()) { |
| 1307 | JavaThread* THREAD = JavaThread::current(); |
| 1308 | HotSpotJVMCI::HotSpotStackFrameReference::klass()->initialize(CHECK_(JVMCIObject())); |
| 1309 | oop obj = HotSpotJVMCI::HotSpotStackFrameReference::klass()->allocate_instance(CHECK_(JVMCIObject())); |
| 1310 | return wrap(obj); |
| 1311 | } else { |
| 1312 | ShouldNotReachHere(); |
| 1313 | return JVMCIObject(); |
| 1314 | } |
| 1315 | } |
| 1316 | JVMCIObject JVMCIEnv::new_JVMCIError(JVMCI_TRAPS) { |
| 1317 | if (is_hotspot()) { |
| 1318 | JavaThread* THREAD = JavaThread::current(); |
| 1319 | HotSpotJVMCI::JVMCIError::klass()->initialize(CHECK_(JVMCIObject())); |
| 1320 | oop obj = HotSpotJVMCI::JVMCIError::klass()->allocate_instance(CHECK_(JVMCIObject())); |
| 1321 | return wrap(obj); |
| 1322 | } else { |
| 1323 | ShouldNotReachHere(); |
| 1324 | return JVMCIObject(); |
| 1325 | } |
| 1326 | } |
| 1327 | |
| 1328 | |
| 1329 | JVMCIObject JVMCIEnv::get_object_constant(oop objOop, bool compressed, bool dont_register) { |
| 1330 | JavaThread* THREAD = JavaThread::current(); |
| 1331 | Handle obj = Handle(THREAD, objOop); |
| 1332 | if (obj.is_null()) { |
| 1333 | return JVMCIObject(); |
| 1334 | } |
| 1335 | if (is_hotspot()) { |
| 1336 | HotSpotJVMCI::DirectHotSpotObjectConstantImpl::klass()->initialize(CHECK_(JVMCIObject())); |
| 1337 | oop constant = HotSpotJVMCI::DirectHotSpotObjectConstantImpl::klass()->allocate_instance(CHECK_(JVMCIObject())); |
| 1338 | HotSpotJVMCI::DirectHotSpotObjectConstantImpl::set_object(this, constant, obj()); |
| 1339 | HotSpotJVMCI::HotSpotObjectConstantImpl::set_compressed(this, constant, compressed); |
| 1340 | return wrap(constant); |
| 1341 | } else { |
| 1342 | jlong handle = make_handle(obj); |
| 1343 | JNIAccessMark jni(this); |
| 1344 | jobject result = jni()->NewObject(JNIJVMCI::IndirectHotSpotObjectConstantImpl::clazz(), |
| 1345 | JNIJVMCI::IndirectHotSpotObjectConstantImpl::constructor(), |
| 1346 | handle, compressed, dont_register); |
| 1347 | return wrap(result); |
| 1348 | } |
| 1349 | } |
| 1350 | |
| 1351 | |
| 1352 | Handle JVMCIEnv::asConstant(JVMCIObject constant, JVMCI_TRAPS) { |
| 1353 | if (constant.is_null()) { |
| 1354 | return Handle(); |
| 1355 | } |
| 1356 | JavaThread* THREAD = JavaThread::current(); |
| 1357 | if (is_hotspot()) { |
| 1358 | assert(HotSpotJVMCI::DirectHotSpotObjectConstantImpl::is_instance(this, constant), "wrong type" ); |
| 1359 | oop obj = HotSpotJVMCI::DirectHotSpotObjectConstantImpl::object(this, HotSpotJVMCI::resolve(constant)); |
| 1360 | return Handle(THREAD, obj); |
| 1361 | } else if (isa_IndirectHotSpotObjectConstantImpl(constant)) { |
| 1362 | jlong object_handle = get_IndirectHotSpotObjectConstantImpl_objectHandle(constant); |
| 1363 | oop result = resolve_handle(object_handle); |
| 1364 | if (result == NULL) { |
| 1365 | JVMCI_THROW_MSG_(InternalError, "Constant was unexpectedly NULL" , Handle()); |
| 1366 | } |
| 1367 | return Handle(THREAD, result); |
| 1368 | } else { |
| 1369 | JVMCI_THROW_MSG_(IllegalArgumentException, "DirectHotSpotObjectConstantImpl shouldn't reach JVMCI in SVM mode" , Handle()); |
| 1370 | } |
| 1371 | } |
| 1372 | |
| 1373 | JVMCIObject JVMCIEnv::wrap(jobject object) { |
| 1374 | return JVMCIObject::create(object, is_hotspot()); |
| 1375 | } |
| 1376 | |
| 1377 | jlong JVMCIEnv::make_handle(const Handle& obj) { |
| 1378 | assert(!obj.is_null(), "should only create handle for non-NULL oops" ); |
| 1379 | jobject handle = JVMCI::make_global(obj); |
| 1380 | return (jlong) handle; |
| 1381 | } |
| 1382 | |
| 1383 | oop JVMCIEnv::resolve_handle(jlong objectHandle) { |
| 1384 | assert(objectHandle != 0, "should be a valid handle" ); |
| 1385 | oop obj = *((oopDesc**)objectHandle); |
| 1386 | if (obj != NULL) { |
| 1387 | oopDesc::verify(obj); |
| 1388 | } |
| 1389 | return obj; |
| 1390 | } |
| 1391 | |
| 1392 | JVMCIObject JVMCIEnv::create_string(const char* str, JVMCI_TRAPS) { |
| 1393 | if (is_hotspot()) { |
| 1394 | JavaThread* THREAD = JavaThread::current(); |
| 1395 | Handle result = java_lang_String::create_from_str(str, CHECK_(JVMCIObject())); |
| 1396 | return HotSpotJVMCI::wrap(result()); |
| 1397 | } else { |
| 1398 | jobject result; |
| 1399 | jboolean exception = false; |
| 1400 | { |
| 1401 | JNIAccessMark jni(this); |
| 1402 | result = jni()->NewStringUTF(str); |
| 1403 | exception = jni()->ExceptionCheck(); |
| 1404 | } |
| 1405 | return wrap(result); |
| 1406 | } |
| 1407 | } |
| 1408 | |
| 1409 | bool JVMCIEnv::equals(JVMCIObject a, JVMCIObject b) { |
| 1410 | if (is_hotspot()) { |
| 1411 | return HotSpotJVMCI::resolve(a) == HotSpotJVMCI::resolve(b); |
| 1412 | } else { |
| 1413 | JNIAccessMark jni(this); |
| 1414 | return jni()->IsSameObject(a.as_jobject(), b.as_jobject()) != 0; |
| 1415 | } |
| 1416 | } |
| 1417 | |
| 1418 | BasicType JVMCIEnv::kindToBasicType(JVMCIObject kind, JVMCI_TRAPS) { |
| 1419 | if (kind.is_null()) { |
| 1420 | JVMCI_THROW_(NullPointerException, T_ILLEGAL); |
| 1421 | } |
| 1422 | jchar ch = get_JavaKind_typeChar(kind); |
| 1423 | switch(ch) { |
| 1424 | case 'Z': return T_BOOLEAN; |
| 1425 | case 'B': return T_BYTE; |
| 1426 | case 'S': return T_SHORT; |
| 1427 | case 'C': return T_CHAR; |
| 1428 | case 'I': return T_INT; |
| 1429 | case 'F': return T_FLOAT; |
| 1430 | case 'J': return T_LONG; |
| 1431 | case 'D': return T_DOUBLE; |
| 1432 | case 'A': return T_OBJECT; |
| 1433 | case '-': return T_ILLEGAL; |
| 1434 | default: |
| 1435 | JVMCI_ERROR_(T_ILLEGAL, "unexpected Kind: %c" , ch); |
| 1436 | } |
| 1437 | } |
| 1438 | |
| 1439 | void JVMCIEnv::initialize_installed_code(JVMCIObject installed_code, CodeBlob* cb, JVMCI_TRAPS) { |
| 1440 | // Ensure that all updates to the InstalledCode fields are consistent. |
| 1441 | if (get_InstalledCode_address(installed_code) != 0) { |
| 1442 | JVMCI_THROW_MSG(InternalError, "InstalledCode instance already in use" ); |
| 1443 | } |
| 1444 | if (!isa_HotSpotInstalledCode(installed_code)) { |
| 1445 | JVMCI_THROW_MSG(InternalError, "InstalledCode instance must be a subclass of HotSpotInstalledCode" ); |
| 1446 | } |
| 1447 | |
| 1448 | // Ignore the version which can stay at 0 |
| 1449 | if (cb->is_nmethod()) { |
| 1450 | nmethod* nm = cb->as_nmethod_or_null(); |
| 1451 | if (!nm->is_alive()) { |
| 1452 | JVMCI_THROW_MSG(InternalError, "nmethod has been reclaimed" ); |
| 1453 | } |
| 1454 | if (nm->is_in_use()) { |
| 1455 | set_InstalledCode_entryPoint(installed_code, (jlong) nm->verified_entry_point()); |
| 1456 | } |
| 1457 | } else { |
| 1458 | set_InstalledCode_entryPoint(installed_code, (jlong) cb->code_begin()); |
| 1459 | } |
| 1460 | set_InstalledCode_address(installed_code, (jlong) cb); |
| 1461 | set_HotSpotInstalledCode_size(installed_code, cb->size()); |
| 1462 | set_HotSpotInstalledCode_codeStart(installed_code, (jlong) cb->code_begin()); |
| 1463 | set_HotSpotInstalledCode_codeSize(installed_code, cb->code_size()); |
| 1464 | } |
| 1465 | |
| 1466 | |
| 1467 | void JVMCIEnv::invalidate_nmethod_mirror(JVMCIObject mirror, JVMCI_TRAPS) { |
| 1468 | if (mirror.is_null()) { |
| 1469 | JVMCI_THROW(NullPointerException); |
| 1470 | } |
| 1471 | |
| 1472 | jlong nativeMethod = get_InstalledCode_address(mirror); |
| 1473 | nmethod* nm = JVMCIENV->asNmethod(mirror); |
| 1474 | if (nm == NULL) { |
| 1475 | // Nothing to do |
| 1476 | return; |
| 1477 | } |
| 1478 | |
| 1479 | Thread* THREAD = Thread::current(); |
| 1480 | if (!mirror.is_hotspot() && !THREAD->is_Java_thread()) { |
| 1481 | // Calling back into native might cause the execution to block, so only allow this when calling |
| 1482 | // from a JavaThread, which is the normal case anyway. |
| 1483 | JVMCI_THROW_MSG(IllegalArgumentException, |
| 1484 | "Cannot invalidate HotSpotNmethod object in shared library VM heap from non-JavaThread" ); |
| 1485 | } |
| 1486 | |
| 1487 | nmethodLocker nml(nm); |
| 1488 | if (nm->is_alive()) { |
| 1489 | // Invalidating the HotSpotNmethod means we want the nmethod |
| 1490 | // to be deoptimized. |
| 1491 | nm->mark_for_deoptimization(); |
| 1492 | VM_Deoptimize op; |
| 1493 | VMThread::execute(&op); |
| 1494 | } |
| 1495 | |
| 1496 | // A HotSpotNmethod instance can only reference a single nmethod |
| 1497 | // during its lifetime so simply clear it here. |
| 1498 | set_InstalledCode_address(mirror, 0); |
| 1499 | } |
| 1500 | |
| 1501 | Klass* JVMCIEnv::asKlass(JVMCIObject obj) { |
| 1502 | return (Klass*) get_HotSpotResolvedObjectTypeImpl_metadataPointer(obj); |
| 1503 | } |
| 1504 | |
| 1505 | Method* JVMCIEnv::asMethod(JVMCIObject obj) { |
| 1506 | Method** metadataHandle = (Method**) get_HotSpotResolvedJavaMethodImpl_metadataHandle(obj); |
| 1507 | return *metadataHandle; |
| 1508 | } |
| 1509 | |
| 1510 | ConstantPool* JVMCIEnv::asConstantPool(JVMCIObject obj) { |
| 1511 | ConstantPool** metadataHandle = (ConstantPool**) get_HotSpotConstantPool_metadataHandle(obj); |
| 1512 | return *metadataHandle; |
| 1513 | } |
| 1514 | |
| 1515 | |
| 1516 | CodeBlob* JVMCIEnv::asCodeBlob(JVMCIObject obj) { |
| 1517 | address code = (address) get_InstalledCode_address(obj); |
| 1518 | if (code == NULL) { |
| 1519 | return NULL; |
| 1520 | } |
| 1521 | if (isa_HotSpotNmethod(obj)) { |
| 1522 | jlong compile_id_snapshot = get_HotSpotNmethod_compileIdSnapshot(obj); |
| 1523 | if (compile_id_snapshot != 0L) { |
| 1524 | // A HotSpotNMethod not in an nmethod's oops table so look up |
| 1525 | // the nmethod and then update the fields based on its state. |
| 1526 | CodeBlob* cb = CodeCache::find_blob_unsafe(code); |
| 1527 | if (cb == (CodeBlob*) code) { |
| 1528 | // Found a live CodeBlob with the same address, make sure it's the same nmethod |
| 1529 | nmethod* nm = cb->as_nmethod_or_null(); |
| 1530 | if (nm != NULL && nm->compile_id() == compile_id_snapshot) { |
| 1531 | if (!nm->is_alive()) { |
| 1532 | // Break the links from the mirror to the nmethod |
| 1533 | set_InstalledCode_address(obj, 0); |
| 1534 | set_InstalledCode_entryPoint(obj, 0); |
| 1535 | } else if (nm->is_not_entrant()) { |
| 1536 | // Zero the entry point so that the nmethod |
| 1537 | // cannot be invoked by the mirror but can |
| 1538 | // still be deoptimized. |
| 1539 | set_InstalledCode_entryPoint(obj, 0); |
| 1540 | } |
| 1541 | return cb; |
| 1542 | } |
| 1543 | } |
| 1544 | // Clear the InstalledCode fields of this HotSpotNmethod |
| 1545 | // that no longer refers to an nmethod in the code cache. |
| 1546 | set_InstalledCode_address(obj, 0); |
| 1547 | set_InstalledCode_entryPoint(obj, 0); |
| 1548 | return NULL; |
| 1549 | } |
| 1550 | } |
| 1551 | return (CodeBlob*) code; |
| 1552 | } |
| 1553 | |
| 1554 | |
| 1555 | // Generate implementations for the initialize, new, isa, get and set methods for all the types and |
| 1556 | // fields declared in the JVMCI_CLASSES_DO macro. |
| 1557 | |
| 1558 | #define START_CLASS(className, fullClassName) \ |
| 1559 | void JVMCIEnv::className##_initialize(JVMCI_TRAPS) { \ |
| 1560 | if (is_hotspot()) { \ |
| 1561 | HotSpotJVMCI::className::initialize(JVMCI_CHECK); \ |
| 1562 | } else { \ |
| 1563 | JNIJVMCI::className::initialize(JVMCI_CHECK); \ |
| 1564 | } \ |
| 1565 | } \ |
| 1566 | JVMCIObjectArray JVMCIEnv::new_##className##_array(int length, JVMCI_TRAPS) { \ |
| 1567 | if (is_hotspot()) { \ |
| 1568 | Thread* THREAD = Thread::current(); \ |
| 1569 | objArrayOop array = oopFactory::new_objArray(HotSpotJVMCI::className::klass(), length, CHECK_(JVMCIObject())); \ |
| 1570 | return (JVMCIObjectArray) wrap(array); \ |
| 1571 | } else { \ |
| 1572 | JNIAccessMark jni(this); \ |
| 1573 | jobjectArray result = jni()->NewObjectArray(length, JNIJVMCI::className::clazz(), NULL); \ |
| 1574 | return wrap(result); \ |
| 1575 | } \ |
| 1576 | } \ |
| 1577 | bool JVMCIEnv::isa_##className(JVMCIObject object) { \ |
| 1578 | if (is_hotspot()) { \ |
| 1579 | return HotSpotJVMCI::className::is_instance(this, object); \ |
| 1580 | } else { \ |
| 1581 | return JNIJVMCI::className::is_instance(this, object); \ |
| 1582 | } \ |
| 1583 | } |
| 1584 | |
| 1585 | #define END_CLASS |
| 1586 | |
| 1587 | #define FIELD(className, name, type, accessor, cast) \ |
| 1588 | type JVMCIEnv::get_##className##_##name(JVMCIObject obj) { \ |
| 1589 | if (is_hotspot()) { \ |
| 1590 | return HotSpotJVMCI::className::get_##name(this, obj); \ |
| 1591 | } else { \ |
| 1592 | return JNIJVMCI::className::get_##name(this, obj); \ |
| 1593 | } \ |
| 1594 | } \ |
| 1595 | void JVMCIEnv::set_##className##_##name(JVMCIObject obj, type x) { \ |
| 1596 | if (is_hotspot()) { \ |
| 1597 | HotSpotJVMCI::className::set_##name(this, obj, x); \ |
| 1598 | } else { \ |
| 1599 | JNIJVMCI::className::set_##name(this, obj, x); \ |
| 1600 | } \ |
| 1601 | } |
| 1602 | |
| 1603 | #define EMPTY_CAST |
| 1604 | #define CHAR_FIELD(className, name) FIELD(className, name, jchar, Char, EMPTY_CAST) |
| 1605 | #define INT_FIELD(className, name) FIELD(className, name, jint, Int, EMPTY_CAST) |
| 1606 | #define BOOLEAN_FIELD(className, name) FIELD(className, name, jboolean, Boolean, EMPTY_CAST) |
| 1607 | #define LONG_FIELD(className, name) FIELD(className, name, jlong, Long, EMPTY_CAST) |
| 1608 | #define FLOAT_FIELD(className, name) FIELD(className, name, jfloat, Float, EMPTY_CAST) |
| 1609 | |
| 1610 | #define OBJECT_FIELD(className, name, signature) OOPISH_FIELD(className, name, JVMCIObject, Object, EMPTY_CAST) |
| 1611 | #define OBJECTARRAY_FIELD(className, name, signature) OOPISH_FIELD(className, name, JVMCIObjectArray, Object, (JVMCIObjectArray)) |
| 1612 | #define PRIMARRAY_FIELD(className, name, signature) OOPISH_FIELD(className, name, JVMCIPrimitiveArray, Object, (JVMCIPrimitiveArray)) |
| 1613 | |
| 1614 | #define STATIC_OBJECT_FIELD(className, name, signature) STATIC_OOPISH_FIELD(className, name, JVMCIObject, Object, (JVMCIObject)) |
| 1615 | #define STATIC_OBJECTARRAY_FIELD(className, name, signature) STATIC_OOPISH_FIELD(className, name, JVMCIObjectArray, Object, (JVMCIObjectArray)) |
| 1616 | |
| 1617 | #define OOPISH_FIELD(className, name, type, accessor, cast) \ |
| 1618 | type JVMCIEnv::get_##className##_##name(JVMCIObject obj) { \ |
| 1619 | if (is_hotspot()) { \ |
| 1620 | return HotSpotJVMCI::className::get_##name(this, obj); \ |
| 1621 | } else { \ |
| 1622 | return JNIJVMCI::className::get_##name(this, obj); \ |
| 1623 | } \ |
| 1624 | } \ |
| 1625 | void JVMCIEnv::set_##className##_##name(JVMCIObject obj, type x) { \ |
| 1626 | if (is_hotspot()) { \ |
| 1627 | HotSpotJVMCI::className::set_##name(this, obj, x); \ |
| 1628 | } else { \ |
| 1629 | JNIJVMCI::className::set_##name(this, obj, x); \ |
| 1630 | } \ |
| 1631 | } |
| 1632 | |
| 1633 | #define STATIC_OOPISH_FIELD(className, name, type, accessor, cast) \ |
| 1634 | type JVMCIEnv::get_##className##_##name() { \ |
| 1635 | if (is_hotspot()) { \ |
| 1636 | return HotSpotJVMCI::className::get_##name(this); \ |
| 1637 | } else { \ |
| 1638 | return JNIJVMCI::className::get_##name(this); \ |
| 1639 | } \ |
| 1640 | } \ |
| 1641 | void JVMCIEnv::set_##className##_##name(type x) { \ |
| 1642 | if (is_hotspot()) { \ |
| 1643 | HotSpotJVMCI::className::set_##name(this, x); \ |
| 1644 | } else { \ |
| 1645 | JNIJVMCI::className::set_##name(this, x); \ |
| 1646 | } \ |
| 1647 | } |
| 1648 | |
| 1649 | #define STATIC_PRIMITIVE_FIELD(className, name, type, accessor, cast) \ |
| 1650 | type JVMCIEnv::get_##className##_##name() { \ |
| 1651 | if (is_hotspot()) { \ |
| 1652 | return HotSpotJVMCI::className::get_##name(this); \ |
| 1653 | } else { \ |
| 1654 | return JNIJVMCI::className::get_##name(this); \ |
| 1655 | } \ |
| 1656 | } \ |
| 1657 | void JVMCIEnv::set_##className##_##name(type x) { \ |
| 1658 | if (is_hotspot()) { \ |
| 1659 | HotSpotJVMCI::className::set_##name(this, x); \ |
| 1660 | } else { \ |
| 1661 | JNIJVMCI::className::set_##name(this, x); \ |
| 1662 | } \ |
| 1663 | } |
| 1664 | #define STATIC_INT_FIELD(className, name) STATIC_PRIMITIVE_FIELD(className, name, jint, Int, EMPTY_CAST) |
| 1665 | #define STATIC_BOOLEAN_FIELD(className, name) STATIC_PRIMITIVE_FIELD(className, name, jboolean, Boolean, EMPTY_CAST) |
| 1666 | #define METHOD(jniCallType, jniGetMethod, hsCallType, returnType, className, methodName, signatureSymbolName, args) |
| 1667 | #define CONSTRUCTOR(className, signature) |
| 1668 | |
| 1669 | JVMCI_CLASSES_DO(START_CLASS, END_CLASS, CHAR_FIELD, INT_FIELD, BOOLEAN_FIELD, LONG_FIELD, FLOAT_FIELD, OBJECT_FIELD, PRIMARRAY_FIELD, OBJECTARRAY_FIELD, STATIC_OBJECT_FIELD, STATIC_OBJECTARRAY_FIELD, STATIC_INT_FIELD, STATIC_BOOLEAN_FIELD, METHOD, CONSTRUCTOR) |
| 1670 | |
| 1671 | #undef START_CLASS |
| 1672 | #undef END_CLASS |
| 1673 | #undef METHOD |
| 1674 | #undef CONSTRUCTOR |
| 1675 | #undef FIELD |
| 1676 | #undef CHAR_FIELD |
| 1677 | #undef INT_FIELD |
| 1678 | #undef BOOLEAN_FIELD |
| 1679 | #undef LONG_FIELD |
| 1680 | #undef FLOAT_FIELD |
| 1681 | #undef OBJECT_FIELD |
| 1682 | #undef PRIMARRAY_FIELD |
| 1683 | #undef OBJECTARRAY_FIELD |
| 1684 | #undef STATIC_OOPISH_FIELD |
| 1685 | #undef STATIC_OBJECT_FIELD |
| 1686 | #undef STATIC_OBJECTARRAY_FIELD |
| 1687 | #undef STATIC_INT_FIELD |
| 1688 | #undef STATIC_BOOLEAN_FIELD |
| 1689 | #undef EMPTY_CAST |
| 1690 | |