1 /* 2 * Copyright (c) 2011, 2020, 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 #include "precompiled.hpp" 25 #include "classfile/classLoaderData.inline.hpp" 26 #include "classfile/javaClasses.inline.hpp" 27 #include "classfile/stringTable.hpp" 28 #include "classfile/symbolTable.hpp" 29 #include "code/scopeDesc.hpp" 30 #include "compiler/compileBroker.hpp" 31 #include "compiler/compilerEvent.hpp" 32 #include "compiler/disassembler.hpp" 33 #include "interpreter/linkResolver.hpp" 34 #include "interpreter/bytecodeStream.hpp" 35 #include "jvmci/jvmciCompilerToVM.hpp" 36 #include "jvmci/jvmciCodeInstaller.hpp" 37 #include "jvmci/jvmciRuntime.hpp" 38 #include "logging/log.hpp" 39 #include "logging/logTag.hpp" 40 #include "memory/oopFactory.hpp" 41 #include "memory/universe.hpp" 42 #include "oops/constantPool.inline.hpp" 43 #include "oops/method.inline.hpp" 44 #include "oops/typeArrayOop.inline.hpp" 45 #include "prims/nativeLookup.hpp" 46 #include "runtime/atomic.hpp" 47 #include "runtime/deoptimization.hpp" 48 #include "runtime/fieldDescriptor.inline.hpp" 49 #include "runtime/frame.inline.hpp" 50 #include "runtime/interfaceSupport.inline.hpp" 51 #include "runtime/jniHandles.inline.hpp" 52 #include "runtime/timerTrace.hpp" 53 #include "runtime/vframe_hp.hpp" 54 55 JVMCIKlassHandle::JVMCIKlassHandle(Thread* thread, Klass* klass) { 56 _thread = thread; 57 _klass = klass; 58 if (klass != NULL) { 59 _holder = Handle(_thread, klass->klass_holder()); 60 } 61 } 62 63 JVMCIKlassHandle& JVMCIKlassHandle::operator=(Klass* klass) { 64 _klass = klass; 65 if (klass != NULL) { 66 _holder = Handle(_thread, klass->klass_holder()); 67 } 68 return *this; 69 } 70 71 static void requireInHotSpot(const char* caller, JVMCI_TRAPS) { 72 if (!JVMCIENV->is_hotspot()) { 73 JVMCI_THROW_MSG(IllegalStateException, err_msg("Cannot call %s from JVMCI shared library", caller)); 74 } 75 } 76 77 void JNIHandleMark::push_jni_handle_block(JavaThread* thread) { 78 if (thread != NULL) { 79 // Allocate a new block for JNI handles. 80 // Inlined code from jni_PushLocalFrame() 81 JNIHandleBlock* java_handles = thread->active_handles(); 82 JNIHandleBlock* compile_handles = JNIHandleBlock::allocate_block(thread); 83 assert(compile_handles != NULL && java_handles != NULL, "should not be NULL"); 84 compile_handles->set_pop_frame_link(java_handles); 85 thread->set_active_handles(compile_handles); 86 } 87 } 88 89 void JNIHandleMark::pop_jni_handle_block(JavaThread* thread) { 90 if (thread != NULL) { 91 // Release our JNI handle block 92 JNIHandleBlock* compile_handles = thread->active_handles(); 93 JNIHandleBlock* java_handles = compile_handles->pop_frame_link(); 94 thread->set_active_handles(java_handles); 95 compile_handles->set_pop_frame_link(NULL); 96 JNIHandleBlock::release_block(compile_handles, thread); // may block 97 } 98 } 99 100 class JVMCITraceMark : public StackObj { 101 const char* _msg; 102 public: 103 JVMCITraceMark(const char* msg) { 104 _msg = msg; 105 if (JVMCITraceLevel >= 1) { 106 tty->print_cr(PTR_FORMAT " JVMCITrace-1: Enter %s", p2i(JavaThread::current()), _msg); 107 } 108 } 109 ~JVMCITraceMark() { 110 if (JVMCITraceLevel >= 1) { 111 tty->print_cr(PTR_FORMAT " JVMCITrace-1: Exit %s", p2i(JavaThread::current()), _msg); 112 } 113 } 114 }; 115 116 117 Handle JavaArgumentUnboxer::next_arg(BasicType expectedType) { 118 assert(_index < _args->length(), "out of bounds"); 119 oop arg=((objArrayOop) (_args))->obj_at(_index++); 120 assert(expectedType == T_OBJECT || java_lang_boxing_object::is_instance(arg, expectedType), "arg type mismatch"); 121 return Handle(Thread::current(), arg); 122 } 123 124 // Bring the JVMCI compiler thread into the VM state. 125 #define JVMCI_VM_ENTRY_MARK \ 126 ThreadInVMfromNative __tiv(thread); \ 127 ResetNoHandleMark rnhm; \ 128 HandleMarkCleaner __hm(thread); \ 129 Thread* THREAD = thread; \ 130 debug_only(VMNativeEntryWrapper __vew;) 131 132 // Native method block that transitions current thread to '_thread_in_vm'. 133 #define C2V_BLOCK(result_type, name, signature) \ 134 TRACE_CALL(result_type, jvmci_ ## name signature) \ 135 JVMCI_VM_ENTRY_MARK; \ 136 ResourceMark rm; \ 137 JNI_JVMCIENV(thread, env); 138 139 static Thread* get_current_thread() { 140 return Thread::current_or_null_safe(); 141 } 142 143 // Entry to native method implementation that transitions 144 // current thread to '_thread_in_vm'. 145 #define C2V_VMENTRY(result_type, name, signature) \ 146 JNIEXPORT result_type JNICALL c2v_ ## name signature { \ 147 Thread* base_thread = get_current_thread(); \ 148 if (base_thread == NULL) { \ 149 env->ThrowNew(JNIJVMCI::InternalError::clazz(), \ 150 err_msg("Cannot call into HotSpot from JVMCI shared library without attaching current thread")); \ 151 return; \ 152 } \ 153 assert(base_thread->is_Java_thread(), "just checking");\ 154 JavaThread* thread = (JavaThread*) base_thread; \ 155 JVMCITraceMark jtm("CompilerToVM::" #name); \ 156 C2V_BLOCK(result_type, name, signature) 157 158 #define C2V_VMENTRY_(result_type, name, signature, result) \ 159 JNIEXPORT result_type JNICALL c2v_ ## name signature { \ 160 Thread* base_thread = get_current_thread(); \ 161 if (base_thread == NULL) { \ 162 env->ThrowNew(JNIJVMCI::InternalError::clazz(), \ 163 err_msg("Cannot call into HotSpot from JVMCI shared library without attaching current thread")); \ 164 return result; \ 165 } \ 166 assert(base_thread->is_Java_thread(), "just checking");\ 167 JavaThread* thread = (JavaThread*) base_thread; \ 168 JVMCITraceMark jtm("CompilerToVM::" #name); \ 169 C2V_BLOCK(result_type, name, signature) 170 171 #define C2V_VMENTRY_NULL(result_type, name, signature) C2V_VMENTRY_(result_type, name, signature, NULL) 172 #define C2V_VMENTRY_0(result_type, name, signature) C2V_VMENTRY_(result_type, name, signature, 0) 173 174 // Entry to native method implementation that does not transition 175 // current thread to '_thread_in_vm'. 176 #define C2V_VMENTRY_PREFIX(result_type, name, signature) \ 177 JNIEXPORT result_type JNICALL c2v_ ## name signature { \ 178 Thread* base_thread = get_current_thread(); 179 180 #define C2V_END } 181 182 #define JNI_THROW(caller, name, msg) do { \ 183 jint __throw_res = env->ThrowNew(JNIJVMCI::name::clazz(), msg); \ 184 if (__throw_res != JNI_OK) { \ 185 tty->print_cr("Throwing " #name " in " caller " returned %d", __throw_res); \ 186 } \ 187 return; \ 188 } while (0); 189 190 #define JNI_THROW_(caller, name, msg, result) do { \ 191 jint __throw_res = env->ThrowNew(JNIJVMCI::name::clazz(), msg); \ 192 if (__throw_res != JNI_OK) { \ 193 tty->print_cr("Throwing " #name " in " caller " returned %d", __throw_res); \ 194 } \ 195 return result; \ 196 } while (0) 197 198 jobjectArray readConfiguration0(JNIEnv *env, JVMCI_TRAPS); 199 200 C2V_VMENTRY_NULL(jobjectArray, readConfiguration, (JNIEnv* env)) 201 jobjectArray config = readConfiguration0(env, JVMCI_CHECK_NULL); 202 return config; 203 } 204 205 C2V_VMENTRY_NULL(jobject, getFlagValue, (JNIEnv* env, jobject c2vm, jobject name_handle)) 206 #define RETURN_BOXED_LONG(value) jvalue p; p.j = (jlong) (value); JVMCIObject box = JVMCIENV->create_box(T_LONG, &p, JVMCI_CHECK_NULL); return box.as_jobject(); 207 #define RETURN_BOXED_DOUBLE(value) jvalue p; p.d = (jdouble) (value); JVMCIObject box = JVMCIENV->create_box(T_DOUBLE, &p, JVMCI_CHECK_NULL); return box.as_jobject(); 208 JVMCIObject name = JVMCIENV->wrap(name_handle); 209 if (name.is_null()) { 210 JVMCI_THROW_NULL(NullPointerException); 211 } 212 const char* cstring = JVMCIENV->as_utf8_string(name); 213 const JVMFlag* flag = JVMFlag::find_declared_flag(cstring); 214 if (flag == NULL) { 215 return c2vm; 216 } 217 if (flag->is_bool()) { 218 jvalue prim; 219 prim.z = flag->get_bool(); 220 JVMCIObject box = JVMCIENV->create_box(T_BOOLEAN, &prim, JVMCI_CHECK_NULL); 221 return JVMCIENV->get_jobject(box); 222 } else if (flag->is_ccstr()) { 223 JVMCIObject value = JVMCIENV->create_string(flag->get_ccstr(), JVMCI_CHECK_NULL); 224 return JVMCIENV->get_jobject(value); 225 } else if (flag->is_intx()) { 226 RETURN_BOXED_LONG(flag->get_intx()); 227 } else if (flag->is_int()) { 228 RETURN_BOXED_LONG(flag->get_int()); 229 } else if (flag->is_uint()) { 230 RETURN_BOXED_LONG(flag->get_uint()); 231 } else if (flag->is_uint64_t()) { 232 RETURN_BOXED_LONG(flag->get_uint64_t()); 233 } else if (flag->is_size_t()) { 234 RETURN_BOXED_LONG(flag->get_size_t()); 235 } else if (flag->is_uintx()) { 236 RETURN_BOXED_LONG(flag->get_uintx()); 237 } else if (flag->is_double()) { 238 RETURN_BOXED_DOUBLE(flag->get_double()); 239 } else { 240 JVMCI_ERROR_NULL("VM flag %s has unsupported type %s", flag->_name, flag->_type); 241 } 242 #undef RETURN_BOXED_LONG 243 #undef RETURN_BOXED_DOUBLE 244 C2V_END 245 246 C2V_VMENTRY_NULL(jobject, getObjectAtAddress, (JNIEnv* env, jobject c2vm, jlong oop_address)) 247 requireInHotSpot("getObjectAtAddress", JVMCI_CHECK_NULL); 248 if (oop_address == 0) { 249 JVMCI_THROW_MSG_NULL(InternalError, "Handle must be non-zero"); 250 } 251 oop obj = *((oopDesc**) oop_address); 252 if (obj != NULL) { 253 oopDesc::verify(obj); 254 } 255 return JNIHandles::make_local(obj); 256 C2V_END 257 258 C2V_VMENTRY_NULL(jbyteArray, getBytecode, (JNIEnv* env, jobject, jobject jvmci_method)) 259 methodHandle method(THREAD, JVMCIENV->asMethod(jvmci_method)); 260 261 int code_size = method->code_size(); 262 jbyte* reconstituted_code = NEW_RESOURCE_ARRAY(jbyte, code_size); 263 264 guarantee(method->method_holder()->is_rewritten(), "Method's holder should be rewritten"); 265 // iterate over all bytecodes and replace non-Java bytecodes 266 267 for (BytecodeStream s(method); s.next() != Bytecodes::_illegal; ) { 268 Bytecodes::Code code = s.code(); 269 Bytecodes::Code raw_code = s.raw_code(); 270 int bci = s.bci(); 271 int len = s.instruction_size(); 272 273 // Restore original byte code. 274 reconstituted_code[bci] = (jbyte) (s.is_wide()? Bytecodes::_wide : code); 275 if (len > 1) { 276 memcpy(reconstituted_code + (bci + 1), s.bcp()+1, len-1); 277 } 278 279 if (len > 1) { 280 // Restore the big-endian constant pool indexes. 281 // Cf. Rewriter::scan_method 282 switch (code) { 283 case Bytecodes::_getstatic: 284 case Bytecodes::_putstatic: 285 case Bytecodes::_getfield: 286 case Bytecodes::_putfield: 287 case Bytecodes::_invokevirtual: 288 case Bytecodes::_invokespecial: 289 case Bytecodes::_invokestatic: 290 case Bytecodes::_invokeinterface: 291 case Bytecodes::_invokehandle: { 292 int cp_index = Bytes::get_native_u2((address) reconstituted_code + (bci + 1)); 293 Bytes::put_Java_u2((address) reconstituted_code + (bci + 1), (u2) cp_index); 294 break; 295 } 296 297 case Bytecodes::_invokedynamic: { 298 int cp_index = Bytes::get_native_u4((address) reconstituted_code + (bci + 1)); 299 Bytes::put_Java_u4((address) reconstituted_code + (bci + 1), (u4) cp_index); 300 break; 301 } 302 303 default: 304 break; 305 } 306 307 // Not all ldc byte code are rewritten. 308 switch (raw_code) { 309 case Bytecodes::_fast_aldc: { 310 int cpc_index = reconstituted_code[bci + 1] & 0xff; 311 int cp_index = method->constants()->object_to_cp_index(cpc_index); 312 assert(cp_index < method->constants()->length(), "sanity check"); 313 reconstituted_code[bci + 1] = (jbyte) cp_index; 314 break; 315 } 316 317 case Bytecodes::_fast_aldc_w: { 318 int cpc_index = Bytes::get_native_u2((address) reconstituted_code + (bci + 1)); 319 int cp_index = method->constants()->object_to_cp_index(cpc_index); 320 assert(cp_index < method->constants()->length(), "sanity check"); 321 Bytes::put_Java_u2((address) reconstituted_code + (bci + 1), (u2) cp_index); 322 break; 323 } 324 325 default: 326 break; 327 } 328 } 329 } 330 331 JVMCIPrimitiveArray result = JVMCIENV->new_byteArray(code_size, JVMCI_CHECK_NULL); 332 JVMCIENV->copy_bytes_from(reconstituted_code, result, 0, code_size); 333 return JVMCIENV->get_jbyteArray(result); 334 C2V_END 335 336 C2V_VMENTRY_0(jint, getExceptionTableLength, (JNIEnv* env, jobject, jobject jvmci_method)) 337 Method* method = JVMCIENV->asMethod(jvmci_method); 338 return method->exception_table_length(); 339 C2V_END 340 341 C2V_VMENTRY_0(jlong, getExceptionTableStart, (JNIEnv* env, jobject, jobject jvmci_method)) 342 Method* method = JVMCIENV->asMethod(jvmci_method); 343 if (method->exception_table_length() == 0) { 344 return 0L; 345 } 346 return (jlong) (address) method->exception_table_start(); 347 C2V_END 348 349 C2V_VMENTRY_NULL(jobject, asResolvedJavaMethod, (JNIEnv* env, jobject, jobject executable_handle)) 350 requireInHotSpot("asResolvedJavaMethod", JVMCI_CHECK_NULL); 351 oop executable = JNIHandles::resolve(executable_handle); 352 oop mirror = NULL; 353 int slot = 0; 354 355 if (executable->klass() == SystemDictionary::reflect_Constructor_klass()) { 356 mirror = java_lang_reflect_Constructor::clazz(executable); 357 slot = java_lang_reflect_Constructor::slot(executable); 358 } else { 359 assert(executable->klass() == SystemDictionary::reflect_Method_klass(), "wrong type"); 360 mirror = java_lang_reflect_Method::clazz(executable); 361 slot = java_lang_reflect_Method::slot(executable); 362 } 363 Klass* holder = java_lang_Class::as_Klass(mirror); 364 methodHandle method (THREAD, InstanceKlass::cast(holder)->method_with_idnum(slot)); 365 JVMCIObject result = JVMCIENV->get_jvmci_method(method, JVMCI_CHECK_NULL); 366 return JVMCIENV->get_jobject(result); 367 } 368 369 C2V_VMENTRY_NULL(jobject, getResolvedJavaMethod, (JNIEnv* env, jobject, jobject base, jlong offset)) 370 Method* method; 371 JVMCIObject base_object = JVMCIENV->wrap(base); 372 if (base_object.is_null()) { 373 method = *((Method**)(offset)); 374 } else if (JVMCIENV->isa_HotSpotObjectConstantImpl(base_object)) { 375 Handle obj = JVMCIENV->asConstant(base_object, JVMCI_CHECK_NULL); 376 if (obj->is_a(SystemDictionary::ResolvedMethodName_klass())) { 377 method = (Method*) (intptr_t) obj->long_field(offset); 378 } else { 379 JVMCI_THROW_MSG_NULL(IllegalArgumentException, err_msg("Unexpected type: %s", obj->klass()->external_name())); 380 } 381 } else if (JVMCIENV->isa_HotSpotResolvedJavaMethodImpl(base_object)) { 382 method = JVMCIENV->asMethod(base_object); 383 } 384 if (method == NULL) { 385 JVMCI_THROW_MSG_NULL(IllegalArgumentException, err_msg("Unexpected type: %s", JVMCIENV->klass_name(base_object))); 386 } 387 assert (method->is_method(), "invalid read"); 388 JVMCIObject result = JVMCIENV->get_jvmci_method(methodHandle(THREAD, method), JVMCI_CHECK_NULL); 389 return JVMCIENV->get_jobject(result); 390 } 391 392 C2V_VMENTRY_NULL(jobject, getConstantPool, (JNIEnv* env, jobject, jobject object_handle)) 393 ConstantPool* cp = NULL; 394 JVMCIObject object = JVMCIENV->wrap(object_handle); 395 if (object.is_null()) { 396 JVMCI_THROW_NULL(NullPointerException); 397 } 398 if (JVMCIENV->isa_HotSpotResolvedJavaMethodImpl(object)) { 399 cp = JVMCIENV->asMethod(object)->constMethod()->constants(); 400 } else if (JVMCIENV->isa_HotSpotResolvedObjectTypeImpl(object)) { 401 cp = InstanceKlass::cast(JVMCIENV->asKlass(object))->constants(); 402 } else { 403 JVMCI_THROW_MSG_NULL(IllegalArgumentException, 404 err_msg("Unexpected type: %s", JVMCIENV->klass_name(object))); 405 } 406 assert(cp != NULL, "npe"); 407 408 JVMCIObject result = JVMCIENV->get_jvmci_constant_pool(constantPoolHandle(THREAD, cp), JVMCI_CHECK_NULL); 409 return JVMCIENV->get_jobject(result); 410 } 411 412 C2V_VMENTRY_NULL(jobject, getResolvedJavaType0, (JNIEnv* env, jobject, jobject base, jlong offset, jboolean compressed)) 413 JVMCIKlassHandle klass(THREAD); 414 JVMCIObject base_object = JVMCIENV->wrap(base); 415 jlong base_address = 0; 416 if (base_object.is_non_null() && offset == oopDesc::klass_offset_in_bytes()) { 417 // klass = JVMCIENV->unhandle(base_object)->klass(); 418 if (JVMCIENV->isa_HotSpotObjectConstantImpl(base_object)) { 419 Handle base_oop = JVMCIENV->asConstant(base_object, JVMCI_CHECK_NULL); 420 klass = base_oop->klass(); 421 } else { 422 assert(false, "What types are we actually expecting here?"); 423 } 424 } else if (!compressed) { 425 if (base_object.is_non_null()) { 426 if (JVMCIENV->isa_HotSpotResolvedJavaMethodImpl(base_object)) { 427 base_address = (intptr_t) JVMCIENV->asMethod(base_object); 428 } else if (JVMCIENV->isa_HotSpotConstantPool(base_object)) { 429 base_address = (intptr_t) JVMCIENV->asConstantPool(base_object); 430 } else if (JVMCIENV->isa_HotSpotResolvedObjectTypeImpl(base_object)) { 431 base_address = (intptr_t) JVMCIENV->asKlass(base_object); 432 } else if (JVMCIENV->isa_HotSpotObjectConstantImpl(base_object)) { 433 Handle base_oop = JVMCIENV->asConstant(base_object, JVMCI_CHECK_NULL); 434 if (base_oop->is_a(SystemDictionary::Class_klass())) { 435 base_address = cast_from_oop<jlong>(base_oop()); 436 } 437 } 438 if (base_address == 0) { 439 JVMCI_THROW_MSG_NULL(IllegalArgumentException, 440 err_msg("Unexpected arguments: %s " JLONG_FORMAT " %s", JVMCIENV->klass_name(base_object), offset, compressed ? "true" : "false")); 441 } 442 } 443 klass = *((Klass**) (intptr_t) (base_address + offset)); 444 } else { 445 JVMCI_THROW_MSG_NULL(IllegalArgumentException, 446 err_msg("Unexpected arguments: %s " JLONG_FORMAT " %s", 447 base_object.is_non_null() ? JVMCIENV->klass_name(base_object) : "null", 448 offset, compressed ? "true" : "false")); 449 } 450 assert (klass == NULL || klass->is_klass(), "invalid read"); 451 JVMCIObject result = JVMCIENV->get_jvmci_type(klass, JVMCI_CHECK_NULL); 452 return JVMCIENV->get_jobject(result); 453 } 454 455 C2V_VMENTRY_NULL(jobject, findUniqueConcreteMethod, (JNIEnv* env, jobject, jobject jvmci_type, jobject jvmci_method)) 456 methodHandle method (THREAD, JVMCIENV->asMethod(jvmci_method)); 457 Klass* holder = JVMCIENV->asKlass(jvmci_type); 458 if (holder->is_interface()) { 459 JVMCI_THROW_MSG_NULL(InternalError, err_msg("Interface %s should be handled in Java code", holder->external_name())); 460 } 461 if (method->can_be_statically_bound()) { 462 JVMCI_THROW_MSG_NULL(InternalError, err_msg("Effectively static method %s.%s should be handled in Java code", method->method_holder()->external_name(), method->external_name())); 463 } 464 465 methodHandle ucm; 466 { 467 MutexLocker locker(Compile_lock); 468 ucm = methodHandle(THREAD, Dependencies::find_unique_concrete_method(holder, method())); 469 } 470 JVMCIObject result = JVMCIENV->get_jvmci_method(ucm, JVMCI_CHECK_NULL); 471 return JVMCIENV->get_jobject(result); 472 C2V_END 473 474 C2V_VMENTRY_NULL(jobject, getImplementor, (JNIEnv* env, jobject, jobject jvmci_type)) 475 Klass* klass = JVMCIENV->asKlass(jvmci_type); 476 if (!klass->is_interface()) { 477 THROW_MSG_0(vmSymbols::java_lang_IllegalArgumentException(), 478 err_msg("Expected interface type, got %s", klass->external_name())); 479 } 480 InstanceKlass* iklass = InstanceKlass::cast(klass); 481 JVMCIKlassHandle handle(THREAD); 482 { 483 // Need Compile_lock around implementor() 484 MutexLocker locker(Compile_lock); 485 handle = iklass->implementor(); 486 } 487 JVMCIObject implementor = JVMCIENV->get_jvmci_type(handle, JVMCI_CHECK_NULL); 488 return JVMCIENV->get_jobject(implementor); 489 C2V_END 490 491 C2V_VMENTRY_0(jboolean, methodIsIgnoredBySecurityStackWalk,(JNIEnv* env, jobject, jobject jvmci_method)) 492 Method* method = JVMCIENV->asMethod(jvmci_method); 493 return method->is_ignored_by_security_stack_walk(); 494 C2V_END 495 496 C2V_VMENTRY_0(jboolean, isCompilable,(JNIEnv* env, jobject, jobject jvmci_method)) 497 Method* method = JVMCIENV->asMethod(jvmci_method); 498 ConstantPool* cp = method->constMethod()->constants(); 499 assert(cp != NULL, "npe"); 500 // don't inline method when constant pool contains a CONSTANT_Dynamic 501 return !method->is_not_compilable(CompLevel_full_optimization) && !cp->has_dynamic_constant(); 502 C2V_END 503 504 C2V_VMENTRY_0(jboolean, hasNeverInlineDirective,(JNIEnv* env, jobject, jobject jvmci_method)) 505 methodHandle method (THREAD, JVMCIENV->asMethod(jvmci_method)); 506 return !Inline || CompilerOracle::should_not_inline(method) || method->dont_inline(); 507 C2V_END 508 509 C2V_VMENTRY_0(jboolean, shouldInlineMethod,(JNIEnv* env, jobject, jobject jvmci_method)) 510 methodHandle method (THREAD, JVMCIENV->asMethod(jvmci_method)); 511 return CompilerOracle::should_inline(method) || method->force_inline(); 512 C2V_END 513 514 C2V_VMENTRY_NULL(jobject, lookupType, (JNIEnv* env, jobject, jstring jname, jclass accessing_class, jboolean resolve)) 515 JVMCIObject name = JVMCIENV->wrap(jname); 516 const char* str = JVMCIENV->as_utf8_string(name); 517 TempNewSymbol class_name = SymbolTable::new_symbol(str); 518 519 if (class_name->utf8_length() <= 1) { 520 JVMCI_THROW_MSG_0(InternalError, err_msg("Primitive type %s should be handled in Java code", class_name->as_C_string())); 521 } 522 523 JVMCIKlassHandle resolved_klass(THREAD); 524 Klass* accessing_klass = NULL; 525 Handle class_loader; 526 Handle protection_domain; 527 if (accessing_class != NULL) { 528 accessing_klass = JVMCIENV->asKlass(accessing_class); 529 class_loader = Handle(THREAD, accessing_klass->class_loader()); 530 protection_domain = Handle(THREAD, accessing_klass->protection_domain()); 531 } else { 532 // Use the System class loader 533 class_loader = Handle(THREAD, SystemDictionary::java_system_loader()); 534 JVMCIENV->runtime()->initialize(JVMCIENV); 535 } 536 537 if (resolve) { 538 resolved_klass = SystemDictionary::resolve_or_null(class_name, class_loader, protection_domain, CHECK_NULL); 539 if (resolved_klass == NULL) { 540 JVMCI_THROW_MSG_NULL(ClassNotFoundException, str); 541 } 542 } else { 543 if (Signature::has_envelope(class_name)) { 544 // This is a name from a signature. Strip off the trimmings. 545 // Call recursive to keep scope of strippedsym. 546 TempNewSymbol strippedsym = Signature::strip_envelope(class_name); 547 resolved_klass = SystemDictionary::find(strippedsym, class_loader, protection_domain, CHECK_NULL); 548 } else if (Signature::is_array(class_name)) { 549 SignatureStream ss(class_name, false); 550 int ndim = ss.skip_array_prefix(); 551 if (ss.type() == T_OBJECT) { 552 Symbol* strippedsym = ss.as_symbol(); 553 resolved_klass = SystemDictionary::find(strippedsym, 554 class_loader, 555 protection_domain, 556 CHECK_NULL); 557 if (!resolved_klass.is_null()) { 558 resolved_klass = resolved_klass->array_klass(ndim, CHECK_NULL); 559 } 560 } else { 561 resolved_klass = TypeArrayKlass::cast(Universe::typeArrayKlassObj(ss.type()))->array_klass(ndim, CHECK_NULL); 562 } 563 } else { 564 resolved_klass = SystemDictionary::find(class_name, class_loader, protection_domain, CHECK_NULL); 565 } 566 } 567 JVMCIObject result = JVMCIENV->get_jvmci_type(resolved_klass, JVMCI_CHECK_NULL); 568 return JVMCIENV->get_jobject(result); 569 C2V_END 570 571 C2V_VMENTRY_NULL(jobject, getArrayType, (JNIEnv* env, jobject, jobject jvmci_type)) 572 if (jvmci_type == NULL) { 573 JVMCI_THROW_0(NullPointerException); 574 } 575 576 JVMCIObject jvmci_type_object = JVMCIENV->wrap(jvmci_type); 577 JVMCIKlassHandle array_klass(THREAD); 578 if (JVMCIENV->isa_HotSpotResolvedPrimitiveType(jvmci_type_object)) { 579 BasicType type = JVMCIENV->kindToBasicType(JVMCIENV->get_HotSpotResolvedPrimitiveType_kind(jvmci_type_object), JVMCI_CHECK_0); 580 if (type == T_VOID) { 581 return NULL; 582 } 583 array_klass = Universe::typeArrayKlassObj(type); 584 if (array_klass == NULL) { 585 JVMCI_THROW_MSG_NULL(InternalError, err_msg("No array klass for primitive type %s", type2name(type))); 586 } 587 } else { 588 Klass* klass = JVMCIENV->asKlass(jvmci_type); 589 if (klass == NULL) { 590 JVMCI_THROW_0(NullPointerException); 591 } 592 array_klass = klass->array_klass(CHECK_NULL); 593 } 594 JVMCIObject result = JVMCIENV->get_jvmci_type(array_klass, JVMCI_CHECK_NULL); 595 return JVMCIENV->get_jobject(result); 596 C2V_END 597 598 C2V_VMENTRY_NULL(jobject, lookupClass, (JNIEnv* env, jobject, jclass mirror)) 599 requireInHotSpot("lookupClass", JVMCI_CHECK_NULL); 600 if (mirror == NULL) { 601 return NULL; 602 } 603 JVMCIKlassHandle klass(THREAD); 604 klass = java_lang_Class::as_Klass(JNIHandles::resolve(mirror)); 605 if (klass == NULL) { 606 JVMCI_THROW_MSG_NULL(IllegalArgumentException, "Primitive classes are unsupported"); 607 } 608 JVMCIObject result = JVMCIENV->get_jvmci_type(klass, JVMCI_CHECK_NULL); 609 return JVMCIENV->get_jobject(result); 610 } 611 612 C2V_VMENTRY_NULL(jobject, resolvePossiblyCachedConstantInPool, (JNIEnv* env, jobject, jobject jvmci_constant_pool, jint index)) 613 constantPoolHandle cp(THREAD, JVMCIENV->asConstantPool(jvmci_constant_pool)); 614 oop result = cp->resolve_possibly_cached_constant_at(index, CHECK_NULL); 615 return JVMCIENV->get_jobject(JVMCIENV->get_object_constant(result)); 616 C2V_END 617 618 C2V_VMENTRY_0(jint, lookupNameAndTypeRefIndexInPool, (JNIEnv* env, jobject, jobject jvmci_constant_pool, jint index)) 619 constantPoolHandle cp(THREAD, JVMCIENV->asConstantPool(jvmci_constant_pool)); 620 return cp->name_and_type_ref_index_at(index); 621 C2V_END 622 623 C2V_VMENTRY_NULL(jobject, lookupNameInPool, (JNIEnv* env, jobject, jobject jvmci_constant_pool, jint which)) 624 constantPoolHandle cp(THREAD, JVMCIENV->asConstantPool(jvmci_constant_pool)); 625 JVMCIObject sym = JVMCIENV->create_string(cp->name_ref_at(which), JVMCI_CHECK_NULL); 626 return JVMCIENV->get_jobject(sym); 627 C2V_END 628 629 C2V_VMENTRY_NULL(jobject, lookupSignatureInPool, (JNIEnv* env, jobject, jobject jvmci_constant_pool, jint which)) 630 constantPoolHandle cp(THREAD, JVMCIENV->asConstantPool(jvmci_constant_pool)); 631 JVMCIObject sym = JVMCIENV->create_string(cp->signature_ref_at(which), JVMCI_CHECK_NULL); 632 return JVMCIENV->get_jobject(sym); 633 C2V_END 634 635 C2V_VMENTRY_0(jint, lookupKlassRefIndexInPool, (JNIEnv* env, jobject, jobject jvmci_constant_pool, jint index)) 636 constantPoolHandle cp(THREAD, JVMCIENV->asConstantPool(jvmci_constant_pool)); 637 return cp->klass_ref_index_at(index); 638 C2V_END 639 640 C2V_VMENTRY_NULL(jobject, resolveTypeInPool, (JNIEnv* env, jobject, jobject jvmci_constant_pool, jint index)) 641 constantPoolHandle cp(THREAD, JVMCIENV->asConstantPool(jvmci_constant_pool)); 642 Klass* klass = cp->klass_at(index, CHECK_NULL); 643 JVMCIKlassHandle resolved_klass(THREAD, klass); 644 if (resolved_klass->is_instance_klass()) { 645 InstanceKlass::cast(resolved_klass())->link_class(CHECK_NULL); 646 if (!InstanceKlass::cast(resolved_klass())->is_linked()) { 647 // link_class() should not return here if there is an issue. 648 JVMCI_THROW_MSG_NULL(InternalError, err_msg("Class %s must be linked", resolved_klass()->external_name())); 649 } 650 } 651 JVMCIObject klassObject = JVMCIENV->get_jvmci_type(resolved_klass, JVMCI_CHECK_NULL); 652 return JVMCIENV->get_jobject(klassObject); 653 C2V_END 654 655 C2V_VMENTRY_NULL(jobject, lookupKlassInPool, (JNIEnv* env, jobject, jobject jvmci_constant_pool, jint index, jbyte opcode)) 656 constantPoolHandle cp(THREAD, JVMCIENV->asConstantPool(jvmci_constant_pool)); 657 Klass* loading_klass = cp->pool_holder(); 658 bool is_accessible = false; 659 JVMCIKlassHandle klass(THREAD, JVMCIRuntime::get_klass_by_index(cp, index, is_accessible, loading_klass)); 660 Symbol* symbol = NULL; 661 if (klass.is_null()) { 662 constantTag tag = cp->tag_at(index); 663 if (tag.is_klass()) { 664 // The klass has been inserted into the constant pool 665 // very recently. 666 klass = cp->resolved_klass_at(index); 667 } else if (tag.is_symbol()) { 668 symbol = cp->symbol_at(index); 669 } else { 670 assert(cp->tag_at(index).is_unresolved_klass(), "wrong tag"); 671 symbol = cp->klass_name_at(index); 672 } 673 } 674 JVMCIObject result; 675 if (!klass.is_null()) { 676 result = JVMCIENV->get_jvmci_type(klass, JVMCI_CHECK_NULL); 677 } else { 678 result = JVMCIENV->create_string(symbol, JVMCI_CHECK_NULL); 679 } 680 return JVMCIENV->get_jobject(result); 681 C2V_END 682 683 C2V_VMENTRY_NULL(jobject, lookupAppendixInPool, (JNIEnv* env, jobject, jobject jvmci_constant_pool, jint index)) 684 constantPoolHandle cp(THREAD, JVMCIENV->asConstantPool(jvmci_constant_pool)); 685 oop appendix_oop = ConstantPool::appendix_at_if_loaded(cp, index); 686 return JVMCIENV->get_jobject(JVMCIENV->get_object_constant(appendix_oop)); 687 C2V_END 688 689 C2V_VMENTRY_NULL(jobject, lookupMethodInPool, (JNIEnv* env, jobject, jobject jvmci_constant_pool, jint index, jbyte opcode)) 690 constantPoolHandle cp(THREAD, JVMCIENV->asConstantPool(jvmci_constant_pool)); 691 InstanceKlass* pool_holder = cp->pool_holder(); 692 Bytecodes::Code bc = (Bytecodes::Code) (((int) opcode) & 0xFF); 693 methodHandle method(THREAD, JVMCIRuntime::get_method_by_index(cp, index, bc, pool_holder)); 694 JVMCIObject result = JVMCIENV->get_jvmci_method(method, JVMCI_CHECK_NULL); 695 return JVMCIENV->get_jobject(result); 696 C2V_END 697 698 C2V_VMENTRY_0(jint, constantPoolRemapInstructionOperandFromCache, (JNIEnv* env, jobject, jobject jvmci_constant_pool, jint index)) 699 constantPoolHandle cp(THREAD, JVMCIENV->asConstantPool(jvmci_constant_pool)); 700 return cp->remap_instruction_operand_from_cache(index); 701 C2V_END 702 703 C2V_VMENTRY_NULL(jobject, resolveFieldInPool, (JNIEnv* env, jobject, jobject jvmci_constant_pool, jint index, jobject jvmci_method, jbyte opcode, jintArray info_handle)) 704 constantPoolHandle cp(THREAD, JVMCIENV->asConstantPool(jvmci_constant_pool)); 705 Bytecodes::Code code = (Bytecodes::Code)(((int) opcode) & 0xFF); 706 fieldDescriptor fd; 707 methodHandle mh(THREAD, (jvmci_method != NULL) ? JVMCIENV->asMethod(jvmci_method) : NULL); 708 LinkInfo link_info(cp, index, mh, CHECK_NULL); 709 LinkResolver::resolve_field(fd, link_info, Bytecodes::java_code(code), false, CHECK_NULL); 710 JVMCIPrimitiveArray info = JVMCIENV->wrap(info_handle); 711 if (info.is_null() || JVMCIENV->get_length(info) != 3) { 712 JVMCI_ERROR_NULL("info must not be null and have a length of 3"); 713 } 714 JVMCIENV->put_int_at(info, 0, fd.access_flags().as_int()); 715 JVMCIENV->put_int_at(info, 1, fd.offset()); 716 JVMCIENV->put_int_at(info, 2, fd.index()); 717 JVMCIKlassHandle handle(THREAD, fd.field_holder()); 718 JVMCIObject field_holder = JVMCIENV->get_jvmci_type(handle, JVMCI_CHECK_NULL); 719 return JVMCIENV->get_jobject(field_holder); 720 C2V_END 721 722 C2V_VMENTRY_0(jint, getVtableIndexForInterfaceMethod, (JNIEnv* env, jobject, jobject jvmci_type, jobject jvmci_method)) 723 Klass* klass = JVMCIENV->asKlass(jvmci_type); 724 methodHandle method(THREAD, JVMCIENV->asMethod(jvmci_method)); 725 if (klass->is_interface()) { 726 JVMCI_THROW_MSG_0(InternalError, err_msg("Interface %s should be handled in Java code", klass->external_name())); 727 } 728 if (!method->method_holder()->is_interface()) { 729 JVMCI_THROW_MSG_0(InternalError, err_msg("Method %s is not held by an interface, this case should be handled in Java code", method->name_and_sig_as_C_string())); 730 } 731 if (!klass->is_instance_klass()) { 732 JVMCI_THROW_MSG_0(InternalError, err_msg("Class %s must be instance klass", klass->external_name())); 733 } 734 if (!InstanceKlass::cast(klass)->is_linked()) { 735 JVMCI_THROW_MSG_0(InternalError, err_msg("Class %s must be linked", klass->external_name())); 736 } 737 return LinkResolver::vtable_index_of_interface_method(klass, method); 738 C2V_END 739 740 C2V_VMENTRY_NULL(jobject, resolveMethod, (JNIEnv* env, jobject, jobject receiver_jvmci_type, jobject jvmci_method, jobject caller_jvmci_type)) 741 Klass* recv_klass = JVMCIENV->asKlass(receiver_jvmci_type); 742 Klass* caller_klass = JVMCIENV->asKlass(caller_jvmci_type); 743 methodHandle method(THREAD, JVMCIENV->asMethod(jvmci_method)); 744 745 Klass* resolved = method->method_holder(); 746 Symbol* h_name = method->name(); 747 Symbol* h_signature = method->signature(); 748 749 if (MethodHandles::is_signature_polymorphic_method(method())) { 750 // Signature polymorphic methods are already resolved, JVMCI just returns NULL in this case. 751 return NULL; 752 } 753 754 if (method->name() == vmSymbols::clone_name() && 755 resolved == SystemDictionary::Object_klass() && 756 recv_klass->is_array_klass()) { 757 // Resolution of the clone method on arrays always returns Object.clone even though that method 758 // has protected access. There's some trickery in the access checking to make this all work out 759 // so it's necessary to pass in the array class as the resolved class to properly trigger this. 760 // Otherwise it's impossible to resolve the array clone methods through JVMCI. See 761 // LinkResolver::check_method_accessability for the matching logic. 762 resolved = recv_klass; 763 } 764 765 LinkInfo link_info(resolved, h_name, h_signature, caller_klass); 766 Method* m = NULL; 767 // Only do exact lookup if receiver klass has been linked. Otherwise, 768 // the vtable has not been setup, and the LinkResolver will fail. 769 if (recv_klass->is_array_klass() || 770 (InstanceKlass::cast(recv_klass)->is_linked() && !recv_klass->is_interface())) { 771 if (resolved->is_interface()) { 772 m = LinkResolver::resolve_interface_call_or_null(recv_klass, link_info); 773 } else { 774 m = LinkResolver::resolve_virtual_call_or_null(recv_klass, link_info); 775 } 776 } 777 778 if (m == NULL) { 779 // Return NULL if there was a problem with lookup (uninitialized class, etc.) 780 return NULL; 781 } 782 783 JVMCIObject result = JVMCIENV->get_jvmci_method(methodHandle(THREAD, m), JVMCI_CHECK_NULL); 784 return JVMCIENV->get_jobject(result); 785 C2V_END 786 787 C2V_VMENTRY_0(jboolean, hasFinalizableSubclass,(JNIEnv* env, jobject, jobject jvmci_type)) 788 Klass* klass = JVMCIENV->asKlass(jvmci_type); 789 assert(klass != NULL, "method must not be called for primitive types"); 790 return Dependencies::find_finalizable_subclass(klass) != NULL; 791 C2V_END 792 793 C2V_VMENTRY_NULL(jobject, getClassInitializer, (JNIEnv* env, jobject, jobject jvmci_type)) 794 Klass* klass = JVMCIENV->asKlass(jvmci_type); 795 if (!klass->is_instance_klass()) { 796 return NULL; 797 } 798 InstanceKlass* iklass = InstanceKlass::cast(klass); 799 methodHandle clinit(THREAD, iklass->class_initializer()); 800 JVMCIObject result = JVMCIENV->get_jvmci_method(clinit, JVMCI_CHECK_NULL); 801 return JVMCIENV->get_jobject(result); 802 C2V_END 803 804 C2V_VMENTRY_0(jlong, getMaxCallTargetOffset, (JNIEnv* env, jobject, jlong addr)) 805 address target_addr = (address) addr; 806 if (target_addr != 0x0) { 807 int64_t off_low = (int64_t)target_addr - ((int64_t)CodeCache::low_bound() + sizeof(int)); 808 int64_t off_high = (int64_t)target_addr - ((int64_t)CodeCache::high_bound() + sizeof(int)); 809 return MAX2(ABS(off_low), ABS(off_high)); 810 } 811 return -1; 812 C2V_END 813 814 C2V_VMENTRY(void, setNotInlinableOrCompilable,(JNIEnv* env, jobject, jobject jvmci_method)) 815 methodHandle method(THREAD, JVMCIENV->asMethod(jvmci_method)); 816 method->set_not_c1_compilable(); 817 method->set_not_c2_compilable(); 818 method->set_dont_inline(true); 819 C2V_END 820 821 C2V_VMENTRY_0(jint, installCode, (JNIEnv *env, jobject, jobject target, jobject compiled_code, 822 jobject installed_code, jlong failed_speculations_address, jbyteArray speculations_obj)) 823 HandleMark hm; 824 JNIHandleMark jni_hm(thread); 825 826 JVMCIObject target_handle = JVMCIENV->wrap(target); 827 JVMCIObject compiled_code_handle = JVMCIENV->wrap(compiled_code); 828 CodeBlob* cb = NULL; 829 JVMCIObject installed_code_handle = JVMCIENV->wrap(installed_code); 830 JVMCIPrimitiveArray speculations_handle = JVMCIENV->wrap(speculations_obj); 831 832 int speculations_len = JVMCIENV->get_length(speculations_handle); 833 char* speculations = NEW_RESOURCE_ARRAY(char, speculations_len); 834 JVMCIENV->copy_bytes_to(speculations_handle, (jbyte*) speculations, 0, speculations_len); 835 836 JVMCICompiler* compiler = JVMCICompiler::instance(true, CHECK_JNI_ERR); 837 838 TraceTime install_time("installCode", JVMCICompiler::codeInstallTimer()); 839 bool is_immutable_PIC = JVMCIENV->get_HotSpotCompiledCode_isImmutablePIC(compiled_code_handle) > 0; 840 841 CodeInstaller installer(JVMCIENV, is_immutable_PIC); 842 JVMCI::CodeInstallResult result = installer.install(compiler, 843 target_handle, 844 compiled_code_handle, 845 cb, 846 installed_code_handle, 847 (FailedSpeculation**)(address) failed_speculations_address, 848 speculations, 849 speculations_len, 850 JVMCI_CHECK_0); 851 852 if (PrintCodeCacheOnCompilation) { 853 stringStream s; 854 // Dump code cache into a buffer before locking the tty, 855 { 856 MutexLocker mu(CodeCache_lock, Mutex::_no_safepoint_check_flag); 857 CodeCache::print_summary(&s, false); 858 } 859 ttyLocker ttyl; 860 tty->print_raw_cr(s.as_string()); 861 } 862 863 if (result != JVMCI::ok) { 864 assert(cb == NULL, "should be"); 865 } else { 866 if (installed_code_handle.is_non_null()) { 867 if (cb->is_nmethod()) { 868 assert(JVMCIENV->isa_HotSpotNmethod(installed_code_handle), "wrong type"); 869 // Clear the link to an old nmethod first 870 JVMCIObject nmethod_mirror = installed_code_handle; 871 JVMCIENV->invalidate_nmethod_mirror(nmethod_mirror, JVMCI_CHECK_0); 872 } else { 873 assert(JVMCIENV->isa_InstalledCode(installed_code_handle), "wrong type"); 874 } 875 // Initialize the link to the new code blob 876 JVMCIENV->initialize_installed_code(installed_code_handle, cb, JVMCI_CHECK_0); 877 } 878 } 879 return result; 880 C2V_END 881 882 C2V_VMENTRY_0(jint, getMetadata, (JNIEnv *env, jobject, jobject target, jobject compiled_code, jobject metadata)) 883 #if INCLUDE_AOT 884 HandleMark hm; 885 assert(JVMCIENV->is_hotspot(), "AOT code is executed only in HotSpot mode"); 886 887 JVMCIObject target_handle = JVMCIENV->wrap(target); 888 JVMCIObject compiled_code_handle = JVMCIENV->wrap(compiled_code); 889 JVMCIObject metadata_handle = JVMCIENV->wrap(metadata); 890 891 CodeMetadata code_metadata; 892 893 CodeInstaller installer(JVMCIENV, true /* immutable PIC compilation */); 894 JVMCI::CodeInstallResult result = installer.gather_metadata(target_handle, compiled_code_handle, code_metadata, JVMCI_CHECK_0); 895 if (result != JVMCI::ok) { 896 return result; 897 } 898 899 if (code_metadata.get_nr_pc_desc() > 0) { 900 int size = sizeof(PcDesc) * code_metadata.get_nr_pc_desc(); 901 JVMCIPrimitiveArray array = JVMCIENV->new_byteArray(size, JVMCI_CHECK_(JVMCI::cache_full)); 902 JVMCIENV->copy_bytes_from((jbyte*) code_metadata.get_pc_desc(), array, 0, size); 903 HotSpotJVMCI::HotSpotMetaData::set_pcDescBytes(JVMCIENV, metadata_handle, array); 904 } 905 906 if (code_metadata.get_scopes_size() > 0) { 907 int size = code_metadata.get_scopes_size(); 908 JVMCIPrimitiveArray array = JVMCIENV->new_byteArray(size, JVMCI_CHECK_(JVMCI::cache_full)); 909 JVMCIENV->copy_bytes_from((jbyte*) code_metadata.get_scopes_desc(), array, 0, size); 910 HotSpotJVMCI::HotSpotMetaData::set_scopesDescBytes(JVMCIENV, metadata_handle, array); 911 } 912 913 RelocBuffer* reloc_buffer = code_metadata.get_reloc_buffer(); 914 int size = (int) reloc_buffer->size(); 915 JVMCIPrimitiveArray array = JVMCIENV->new_byteArray(size, JVMCI_CHECK_(JVMCI::cache_full)); 916 JVMCIENV->copy_bytes_from((jbyte*) reloc_buffer->begin(), array, 0, size); 917 HotSpotJVMCI::HotSpotMetaData::set_relocBytes(JVMCIENV, metadata_handle, array); 918 919 const OopMapSet* oopMapSet = installer.oopMapSet(); 920 { 921 ResourceMark mark; 922 ImmutableOopMapBuilder builder(oopMapSet); 923 int size = builder.heap_size(); 924 JVMCIPrimitiveArray array = JVMCIENV->new_byteArray(size, JVMCI_CHECK_(JVMCI::cache_full)); 925 builder.generate_into((address) HotSpotJVMCI::resolve(array)->byte_at_addr(0)); 926 HotSpotJVMCI::HotSpotMetaData::set_oopMaps(JVMCIENV, metadata_handle, array); 927 } 928 929 AOTOopRecorder* recorder = code_metadata.get_oop_recorder(); 930 931 int nr_meta_refs = recorder->nr_meta_refs(); 932 JVMCIObjectArray metadataArray = JVMCIENV->new_Object_array(nr_meta_refs, JVMCI_CHECK_(JVMCI::cache_full)); 933 for (int i = 0; i < nr_meta_refs; ++i) { 934 jobject element = recorder->meta_element(i); 935 if (element == NULL) { 936 return JVMCI::cache_full; 937 } 938 JVMCIENV->put_object_at(metadataArray, i, JVMCIENV->wrap(element)); 939 } 940 HotSpotJVMCI::HotSpotMetaData::set_metadata(JVMCIENV, metadata_handle, metadataArray); 941 942 ExceptionHandlerTable* handler = code_metadata.get_exception_table(); 943 int table_size = handler->size_in_bytes(); 944 JVMCIPrimitiveArray exceptionArray = JVMCIENV->new_byteArray(table_size, JVMCI_CHECK_(JVMCI::cache_full)); 945 if (table_size > 0) { 946 handler->copy_bytes_to((address) HotSpotJVMCI::resolve(exceptionArray)->byte_at_addr(0)); 947 } 948 HotSpotJVMCI::HotSpotMetaData::set_exceptionBytes(JVMCIENV, metadata_handle, exceptionArray); 949 950 ImplicitExceptionTable* implicit = code_metadata.get_implicit_exception_table(); 951 int implicit_table_size = implicit->size_in_bytes(); 952 JVMCIPrimitiveArray implicitExceptionArray = JVMCIENV->new_byteArray(implicit_table_size, JVMCI_CHECK_(JVMCI::cache_full)); 953 if (implicit_table_size > 0) { 954 implicit->copy_bytes_to((address) HotSpotJVMCI::resolve(implicitExceptionArray)->byte_at_addr(0), implicit_table_size); 955 } 956 HotSpotJVMCI::HotSpotMetaData::set_implicitExceptionBytes(JVMCIENV, metadata_handle, implicitExceptionArray); 957 958 return result; 959 #else 960 JVMCI_THROW_MSG_0(InternalError, "unimplemented"); 961 #endif 962 C2V_END 963 964 C2V_VMENTRY(void, resetCompilationStatistics, (JNIEnv* env, jobject)) 965 JVMCICompiler* compiler = JVMCICompiler::instance(true, CHECK); 966 CompilerStatistics* stats = compiler->stats(); 967 stats->_standard.reset(); 968 stats->_osr.reset(); 969 C2V_END 970 971 C2V_VMENTRY_NULL(jobject, disassembleCodeBlob, (JNIEnv* env, jobject, jobject installedCode)) 972 HandleMark hm; 973 974 if (installedCode == NULL) { 975 JVMCI_THROW_MSG_NULL(NullPointerException, "installedCode is null"); 976 } 977 978 JVMCIObject installedCodeObject = JVMCIENV->wrap(installedCode); 979 nmethodLocker locker; 980 CodeBlob* cb = JVMCIENV->get_code_blob(installedCodeObject, locker); 981 if (cb == NULL) { 982 return NULL; 983 } 984 985 // We don't want the stringStream buffer to resize during disassembly as it 986 // uses scoped resource memory. If a nested function called during disassembly uses 987 // a ResourceMark and the buffer expands within the scope of the mark, 988 // the buffer becomes garbage when that scope is exited. Experience shows that 989 // the disassembled code is typically about 10x the code size so a fixed buffer 990 // sized to 20x code size plus a fixed amount for header info should be sufficient. 991 int bufferSize = cb->code_size() * 20 + 1024; 992 char* buffer = NEW_RESOURCE_ARRAY(char, bufferSize); 993 stringStream st(buffer, bufferSize); 994 if (cb->is_nmethod()) { 995 nmethod* nm = (nmethod*) cb; 996 if (!nm->is_alive()) { 997 return NULL; 998 } 999 } 1000 Disassembler::decode(cb, &st); 1001 if (st.size() <= 0) { 1002 return NULL; 1003 } 1004 1005 JVMCIObject result = JVMCIENV->create_string(st.as_string(), JVMCI_CHECK_NULL); 1006 return JVMCIENV->get_jobject(result); 1007 C2V_END 1008 1009 C2V_VMENTRY_NULL(jobject, getStackTraceElement, (JNIEnv* env, jobject, jobject jvmci_method, int bci)) 1010 HandleMark hm; 1011 1012 methodHandle method(THREAD, JVMCIENV->asMethod(jvmci_method)); 1013 JVMCIObject element = JVMCIENV->new_StackTraceElement(method, bci, JVMCI_CHECK_NULL); 1014 return JVMCIENV->get_jobject(element); 1015 C2V_END 1016 1017 C2V_VMENTRY_NULL(jobject, executeHotSpotNmethod, (JNIEnv* env, jobject, jobject args, jobject hs_nmethod)) 1018 // The incoming arguments array would have to contain JavaConstants instead of regular objects 1019 // and the return value would have to be wrapped as a JavaConstant. 1020 requireInHotSpot("executeHotSpotNmethod", JVMCI_CHECK_NULL); 1021 1022 HandleMark hm; 1023 1024 JVMCIObject nmethod_mirror = JVMCIENV->wrap(hs_nmethod); 1025 nmethodLocker locker; 1026 nmethod* nm = JVMCIENV->get_nmethod(nmethod_mirror, locker); 1027 if (nm == NULL) { 1028 JVMCI_THROW_NULL(InvalidInstalledCodeException); 1029 } 1030 methodHandle mh(THREAD, nm->method()); 1031 Symbol* signature = mh->signature(); 1032 JavaCallArguments jca(mh->size_of_parameters()); 1033 1034 JavaArgumentUnboxer jap(signature, &jca, (arrayOop) JNIHandles::resolve(args), mh->is_static()); 1035 JavaValue result(jap.return_type()); 1036 jca.set_alternative_target(nm); 1037 JavaCalls::call(&result, mh, &jca, CHECK_NULL); 1038 1039 if (jap.return_type() == T_VOID) { 1040 return NULL; 1041 } else if (is_reference_type(jap.return_type())) { 1042 return JNIHandles::make_local((oop) result.get_jobject()); 1043 } else { 1044 jvalue *value = (jvalue *) result.get_value_addr(); 1045 // Narrow the value down if required (Important on big endian machines) 1046 switch (jap.return_type()) { 1047 case T_BOOLEAN: 1048 value->z = (jboolean) value->i; 1049 break; 1050 case T_BYTE: 1051 value->b = (jbyte) value->i; 1052 break; 1053 case T_CHAR: 1054 value->c = (jchar) value->i; 1055 break; 1056 case T_SHORT: 1057 value->s = (jshort) value->i; 1058 break; 1059 default: 1060 break; 1061 } 1062 JVMCIObject o = JVMCIENV->create_box(jap.return_type(), value, JVMCI_CHECK_NULL); 1063 return JVMCIENV->get_jobject(o); 1064 } 1065 C2V_END 1066 1067 C2V_VMENTRY_NULL(jlongArray, getLineNumberTable, (JNIEnv* env, jobject, jobject jvmci_method)) 1068 Method* method = JVMCIENV->asMethod(jvmci_method); 1069 if (!method->has_linenumber_table()) { 1070 return NULL; 1071 } 1072 u2 num_entries = 0; 1073 CompressedLineNumberReadStream streamForSize(method->compressed_linenumber_table()); 1074 while (streamForSize.read_pair()) { 1075 num_entries++; 1076 } 1077 1078 CompressedLineNumberReadStream stream(method->compressed_linenumber_table()); 1079 JVMCIPrimitiveArray result = JVMCIENV->new_longArray(2 * num_entries, JVMCI_CHECK_NULL); 1080 1081 int i = 0; 1082 jlong value; 1083 while (stream.read_pair()) { 1084 value = ((long) stream.bci()); 1085 JVMCIENV->put_long_at(result, i, value); 1086 value = ((long) stream.line()); 1087 JVMCIENV->put_long_at(result, i + 1, value); 1088 i += 2; 1089 } 1090 1091 return (jlongArray) JVMCIENV->get_jobject(result); 1092 C2V_END 1093 1094 C2V_VMENTRY_0(jlong, getLocalVariableTableStart, (JNIEnv* env, jobject, jobject jvmci_method)) 1095 Method* method = JVMCIENV->asMethod(jvmci_method); 1096 if (!method->has_localvariable_table()) { 1097 return 0; 1098 } 1099 return (jlong) (address) method->localvariable_table_start(); 1100 C2V_END 1101 1102 C2V_VMENTRY_0(jint, getLocalVariableTableLength, (JNIEnv* env, jobject, jobject jvmci_method)) 1103 Method* method = JVMCIENV->asMethod(jvmci_method); 1104 return method->localvariable_table_length(); 1105 C2V_END 1106 1107 C2V_VMENTRY(void, reprofile, (JNIEnv* env, jobject, jobject jvmci_method)) 1108 methodHandle method(THREAD, JVMCIENV->asMethod(jvmci_method)); 1109 MethodCounters* mcs = method->method_counters(); 1110 if (mcs != NULL) { 1111 mcs->clear_counters(); 1112 } 1113 NOT_PRODUCT(method->set_compiled_invocation_count(0)); 1114 1115 CompiledMethod* code = method->code(); 1116 if (code != NULL) { 1117 code->make_not_entrant(); 1118 } 1119 1120 MethodData* method_data = method->method_data(); 1121 if (method_data == NULL) { 1122 ClassLoaderData* loader_data = method->method_holder()->class_loader_data(); 1123 method_data = MethodData::allocate(loader_data, method, CHECK); 1124 method->set_method_data(method_data); 1125 } else { 1126 method_data->initialize(); 1127 } 1128 C2V_END 1129 1130 1131 C2V_VMENTRY(void, invalidateHotSpotNmethod, (JNIEnv* env, jobject, jobject hs_nmethod)) 1132 JVMCIObject nmethod_mirror = JVMCIENV->wrap(hs_nmethod); 1133 JVMCIENV->invalidate_nmethod_mirror(nmethod_mirror, JVMCI_CHECK); 1134 C2V_END 1135 1136 C2V_VMENTRY_NULL(jobject, readUncompressedOop, (JNIEnv* env, jobject, jlong addr)) 1137 oop ret = RawAccess<>::oop_load((oop*)(address)addr); 1138 return JVMCIENV->get_jobject(JVMCIENV->get_object_constant(ret)); 1139 C2V_END 1140 1141 C2V_VMENTRY_NULL(jlongArray, collectCounters, (JNIEnv* env, jobject)) 1142 // Returns a zero length array if counters aren't enabled 1143 JVMCIPrimitiveArray array = JVMCIENV->new_longArray(JVMCICounterSize, JVMCI_CHECK_NULL); 1144 if (JVMCICounterSize > 0) { 1145 jlong* temp_array = NEW_RESOURCE_ARRAY(jlong, JVMCICounterSize); 1146 JavaThread::collect_counters(temp_array, JVMCICounterSize); 1147 JVMCIENV->copy_longs_from(temp_array, array, 0, JVMCICounterSize); 1148 } 1149 return (jlongArray) JVMCIENV->get_jobject(array); 1150 C2V_END 1151 1152 C2V_VMENTRY_0(jint, getCountersSize, (JNIEnv* env, jobject)) 1153 return (jint) JVMCICounterSize; 1154 C2V_END 1155 1156 C2V_VMENTRY(void, setCountersSize, (JNIEnv* env, jobject, jint new_size)) 1157 JavaThread::resize_all_jvmci_counters(new_size); 1158 C2V_END 1159 1160 C2V_VMENTRY_0(jint, allocateCompileId, (JNIEnv* env, jobject, jobject jvmci_method, int entry_bci)) 1161 HandleMark hm; 1162 if (jvmci_method == NULL) { 1163 JVMCI_THROW_0(NullPointerException); 1164 } 1165 methodHandle method(THREAD, JVMCIENV->asMethod(jvmci_method)); 1166 if (entry_bci >= method->code_size() || entry_bci < -1) { 1167 JVMCI_THROW_MSG_0(IllegalArgumentException, err_msg("Unexpected bci %d", entry_bci)); 1168 } 1169 return CompileBroker::assign_compile_id_unlocked(THREAD, method, entry_bci); 1170 C2V_END 1171 1172 1173 C2V_VMENTRY_0(jboolean, isMature, (JNIEnv* env, jobject, jlong metaspace_method_data)) 1174 MethodData* mdo = JVMCIENV->asMethodData(metaspace_method_data); 1175 return mdo != NULL && mdo->is_mature(); 1176 C2V_END 1177 1178 C2V_VMENTRY_0(jboolean, hasCompiledCodeForOSR, (JNIEnv* env, jobject, jobject jvmci_method, int entry_bci, int comp_level)) 1179 Method* method = JVMCIENV->asMethod(jvmci_method); 1180 return method->lookup_osr_nmethod_for(entry_bci, comp_level, true) != NULL; 1181 C2V_END 1182 1183 C2V_VMENTRY_NULL(jobject, getSymbol, (JNIEnv* env, jobject, jlong symbol)) 1184 JVMCIObject sym = JVMCIENV->create_string((Symbol*)(address)symbol, JVMCI_CHECK_NULL); 1185 return JVMCIENV->get_jobject(sym); 1186 C2V_END 1187 1188 bool matches(jobjectArray methods, Method* method, JVMCIEnv* JVMCIENV) { 1189 objArrayOop methods_oop = (objArrayOop) JNIHandles::resolve(methods); 1190 1191 for (int i = 0; i < methods_oop->length(); i++) { 1192 oop resolved = methods_oop->obj_at(i); 1193 if ((resolved->klass() == HotSpotJVMCI::HotSpotResolvedJavaMethodImpl::klass()) && HotSpotJVMCI::asMethod(JVMCIENV, resolved) == method) { 1194 return true; 1195 } 1196 } 1197 return false; 1198 } 1199 1200 void call_interface(JavaValue* result, Klass* spec_klass, Symbol* name, Symbol* signature, JavaCallArguments* args, TRAPS) { 1201 CallInfo callinfo; 1202 Handle receiver = args->receiver(); 1203 Klass* recvrKlass = receiver.is_null() ? (Klass*)NULL : receiver->klass(); 1204 LinkInfo link_info(spec_klass, name, signature); 1205 LinkResolver::resolve_interface_call( 1206 callinfo, receiver, recvrKlass, link_info, true, CHECK); 1207 methodHandle method(THREAD, callinfo.selected_method()); 1208 assert(method.not_null(), "should have thrown exception"); 1209 1210 // Invoke the method 1211 JavaCalls::call(result, method, args, CHECK); 1212 } 1213 1214 C2V_VMENTRY_NULL(jobject, iterateFrames, (JNIEnv* env, jobject compilerToVM, jobjectArray initial_methods, jobjectArray match_methods, jint initialSkip, jobject visitor_handle)) 1215 1216 if (!thread->has_last_Java_frame()) { 1217 return NULL; 1218 } 1219 Handle visitor(THREAD, JNIHandles::resolve_non_null(visitor_handle)); 1220 1221 requireInHotSpot("iterateFrames", JVMCI_CHECK_NULL); 1222 1223 HotSpotJVMCI::HotSpotStackFrameReference::klass()->initialize(CHECK_NULL); 1224 Handle frame_reference = HotSpotJVMCI::HotSpotStackFrameReference::klass()->allocate_instance_handle(CHECK_NULL); 1225 1226 StackFrameStream fst(thread); 1227 jobjectArray methods = initial_methods; 1228 1229 int frame_number = 0; 1230 vframe* vf = vframe::new_vframe(fst.current(), fst.register_map(), thread); 1231 1232 while (true) { 1233 // look for the given method 1234 bool realloc_called = false; 1235 while (true) { 1236 StackValueCollection* locals = NULL; 1237 if (vf->is_compiled_frame()) { 1238 // compiled method frame 1239 compiledVFrame* cvf = compiledVFrame::cast(vf); 1240 if (methods == NULL || matches(methods, cvf->method(), JVMCIENV)) { 1241 if (initialSkip > 0) { 1242 initialSkip--; 1243 } else { 1244 ScopeDesc* scope = cvf->scope(); 1245 // native wrappers do not have a scope 1246 if (scope != NULL && scope->objects() != NULL) { 1247 GrowableArray<ScopeValue*>* objects; 1248 if (!realloc_called) { 1249 objects = scope->objects(); 1250 } else { 1251 // some object might already have been re-allocated, only reallocate the non-allocated ones 1252 objects = new GrowableArray<ScopeValue*>(scope->objects()->length()); 1253 for (int i = 0; i < scope->objects()->length(); i++) { 1254 ObjectValue* sv = (ObjectValue*) scope->objects()->at(i); 1255 if (sv->value().is_null()) { 1256 objects->append(sv); 1257 } 1258 } 1259 } 1260 bool realloc_failures = Deoptimization::realloc_objects(thread, fst.current(), fst.register_map(), objects, CHECK_NULL); 1261 Deoptimization::reassign_fields(fst.current(), fst.register_map(), objects, realloc_failures, false); 1262 realloc_called = true; 1263 1264 GrowableArray<ScopeValue*>* local_values = scope->locals(); 1265 assert(local_values != NULL, "NULL locals"); 1266 typeArrayOop array_oop = oopFactory::new_boolArray(local_values->length(), CHECK_NULL); 1267 typeArrayHandle array(THREAD, array_oop); 1268 for (int i = 0; i < local_values->length(); i++) { 1269 ScopeValue* value = local_values->at(i); 1270 if (value->is_object()) { 1271 array->bool_at_put(i, true); 1272 } 1273 } 1274 HotSpotJVMCI::HotSpotStackFrameReference::set_localIsVirtual(JVMCIENV, frame_reference(), array()); 1275 } else { 1276 HotSpotJVMCI::HotSpotStackFrameReference::set_localIsVirtual(JVMCIENV, frame_reference(), NULL); 1277 } 1278 1279 locals = cvf->locals(); 1280 HotSpotJVMCI::HotSpotStackFrameReference::set_bci(JVMCIENV, frame_reference(), cvf->bci()); 1281 methodHandle mh(THREAD, cvf->method()); 1282 JVMCIObject method = JVMCIENV->get_jvmci_method(mh, JVMCI_CHECK_NULL); 1283 HotSpotJVMCI::HotSpotStackFrameReference::set_method(JVMCIENV, frame_reference(), JNIHandles::resolve(method.as_jobject())); 1284 } 1285 } 1286 } else if (vf->is_interpreted_frame()) { 1287 // interpreted method frame 1288 interpretedVFrame* ivf = interpretedVFrame::cast(vf); 1289 if (methods == NULL || matches(methods, ivf->method(), JVMCIENV)) { 1290 if (initialSkip > 0) { 1291 initialSkip--; 1292 } else { 1293 locals = ivf->locals(); 1294 HotSpotJVMCI::HotSpotStackFrameReference::set_bci(JVMCIENV, frame_reference(), ivf->bci()); 1295 methodHandle mh(THREAD, ivf->method()); 1296 JVMCIObject method = JVMCIENV->get_jvmci_method(mh, JVMCI_CHECK_NULL); 1297 HotSpotJVMCI::HotSpotStackFrameReference::set_method(JVMCIENV, frame_reference(), JNIHandles::resolve(method.as_jobject())); 1298 HotSpotJVMCI::HotSpotStackFrameReference::set_localIsVirtual(JVMCIENV, frame_reference(), NULL); 1299 } 1300 } 1301 } 1302 1303 // locals != NULL means that we found a matching frame and result is already partially initialized 1304 if (locals != NULL) { 1305 methods = match_methods; 1306 HotSpotJVMCI::HotSpotStackFrameReference::set_compilerToVM(JVMCIENV, frame_reference(), JNIHandles::resolve(compilerToVM)); 1307 HotSpotJVMCI::HotSpotStackFrameReference::set_stackPointer(JVMCIENV, frame_reference(), (jlong) fst.current()->sp()); 1308 HotSpotJVMCI::HotSpotStackFrameReference::set_frameNumber(JVMCIENV, frame_reference(), frame_number); 1309 1310 // initialize the locals array 1311 objArrayOop array_oop = oopFactory::new_objectArray(locals->size(), CHECK_NULL); 1312 objArrayHandle array(THREAD, array_oop); 1313 for (int i = 0; i < locals->size(); i++) { 1314 StackValue* var = locals->at(i); 1315 if (var->type() == T_OBJECT) { 1316 array->obj_at_put(i, locals->at(i)->get_obj()()); 1317 } 1318 } 1319 HotSpotJVMCI::HotSpotStackFrameReference::set_locals(JVMCIENV, frame_reference(), array()); 1320 HotSpotJVMCI::HotSpotStackFrameReference::set_objectsMaterialized(JVMCIENV, frame_reference(), JNI_FALSE); 1321 1322 JavaValue result(T_OBJECT); 1323 JavaCallArguments args(visitor); 1324 args.push_oop(frame_reference); 1325 call_interface(&result, HotSpotJVMCI::InspectedFrameVisitor::klass(), vmSymbols::visitFrame_name(), vmSymbols::visitFrame_signature(), &args, CHECK_NULL); 1326 if (result.get_jobject() != NULL) { 1327 return JNIHandles::make_local(thread, (oop) result.get_jobject()); 1328 } 1329 assert(initialSkip == 0, "There should be no match before initialSkip == 0"); 1330 if (HotSpotJVMCI::HotSpotStackFrameReference::objectsMaterialized(JVMCIENV, frame_reference()) == JNI_TRUE) { 1331 // the frame has been deoptimized, we need to re-synchronize the frame and vframe 1332 intptr_t* stack_pointer = (intptr_t*) HotSpotJVMCI::HotSpotStackFrameReference::stackPointer(JVMCIENV, frame_reference()); 1333 fst = StackFrameStream(thread); 1334 while (fst.current()->sp() != stack_pointer && !fst.is_done()) { 1335 fst.next(); 1336 } 1337 if (fst.current()->sp() != stack_pointer) { 1338 THROW_MSG_NULL(vmSymbols::java_lang_IllegalStateException(), "stack frame not found after deopt") 1339 } 1340 vf = vframe::new_vframe(fst.current(), fst.register_map(), thread); 1341 if (!vf->is_compiled_frame()) { 1342 THROW_MSG_NULL(vmSymbols::java_lang_IllegalStateException(), "compiled stack frame expected") 1343 } 1344 for (int i = 0; i < frame_number; i++) { 1345 if (vf->is_top()) { 1346 THROW_MSG_NULL(vmSymbols::java_lang_IllegalStateException(), "vframe not found after deopt") 1347 } 1348 vf = vf->sender(); 1349 assert(vf->is_compiled_frame(), "Wrong frame type"); 1350 } 1351 } 1352 frame_reference = HotSpotJVMCI::HotSpotStackFrameReference::klass()->allocate_instance_handle(CHECK_NULL); 1353 HotSpotJVMCI::HotSpotStackFrameReference::klass()->initialize(CHECK_NULL); 1354 } 1355 1356 if (vf->is_top()) { 1357 break; 1358 } 1359 frame_number++; 1360 vf = vf->sender(); 1361 } // end of vframe loop 1362 1363 if (fst.is_done()) { 1364 break; 1365 } 1366 fst.next(); 1367 vf = vframe::new_vframe(fst.current(), fst.register_map(), thread); 1368 frame_number = 0; 1369 } // end of frame loop 1370 1371 // the end was reached without finding a matching method 1372 return NULL; 1373 C2V_END 1374 1375 C2V_VMENTRY(void, resolveInvokeDynamicInPool, (JNIEnv* env, jobject, jobject jvmci_constant_pool, jint index)) 1376 constantPoolHandle cp(THREAD, JVMCIENV->asConstantPool(jvmci_constant_pool)); 1377 CallInfo callInfo; 1378 LinkResolver::resolve_invoke(callInfo, Handle(), cp, index, Bytecodes::_invokedynamic, CHECK); 1379 ConstantPoolCacheEntry* cp_cache_entry = cp->invokedynamic_cp_cache_entry_at(index); 1380 cp_cache_entry->set_dynamic_call(cp, callInfo); 1381 C2V_END 1382 1383 C2V_VMENTRY(void, resolveInvokeHandleInPool, (JNIEnv* env, jobject, jobject jvmci_constant_pool, jint index)) 1384 constantPoolHandle cp(THREAD, JVMCIENV->asConstantPool(jvmci_constant_pool)); 1385 Klass* holder = cp->klass_ref_at(index, CHECK); 1386 Symbol* name = cp->name_ref_at(index); 1387 if (MethodHandles::is_signature_polymorphic_name(holder, name)) { 1388 CallInfo callInfo; 1389 LinkResolver::resolve_invoke(callInfo, Handle(), cp, index, Bytecodes::_invokehandle, CHECK); 1390 ConstantPoolCacheEntry* cp_cache_entry = cp->cache()->entry_at(cp->decode_cpcache_index(index)); 1391 cp_cache_entry->set_method_handle(cp, callInfo); 1392 } 1393 C2V_END 1394 1395 C2V_VMENTRY_0(jint, isResolvedInvokeHandleInPool, (JNIEnv* env, jobject, jobject jvmci_constant_pool, jint index)) 1396 constantPoolHandle cp(THREAD, JVMCIENV->asConstantPool(jvmci_constant_pool)); 1397 ConstantPoolCacheEntry* cp_cache_entry = cp->cache()->entry_at(cp->decode_cpcache_index(index)); 1398 if (cp_cache_entry->is_resolved(Bytecodes::_invokehandle)) { 1399 // MethodHandle.invoke* --> LambdaForm? 1400 ResourceMark rm; 1401 1402 LinkInfo link_info(cp, index, CATCH); 1403 1404 Klass* resolved_klass = link_info.resolved_klass(); 1405 1406 Symbol* name_sym = cp->name_ref_at(index); 1407 1408 vmassert(MethodHandles::is_method_handle_invoke_name(resolved_klass, name_sym), "!"); 1409 vmassert(MethodHandles::is_signature_polymorphic_name(resolved_klass, name_sym), "!"); 1410 1411 methodHandle adapter_method(THREAD, cp_cache_entry->f1_as_method()); 1412 1413 methodHandle resolved_method(adapter_method); 1414 1415 // Can we treat it as a regular invokevirtual? 1416 if (resolved_method->method_holder() == resolved_klass && resolved_method->name() == name_sym) { 1417 vmassert(!resolved_method->is_static(),"!"); 1418 vmassert(MethodHandles::is_signature_polymorphic_method(resolved_method()),"!"); 1419 vmassert(!MethodHandles::is_signature_polymorphic_static(resolved_method->intrinsic_id()), "!"); 1420 vmassert(cp_cache_entry->appendix_if_resolved(cp) == NULL, "!"); 1421 1422 methodHandle m(THREAD, LinkResolver::linktime_resolve_virtual_method_or_null(link_info)); 1423 vmassert(m == resolved_method, "!!"); 1424 return -1; 1425 } 1426 1427 return Bytecodes::_invokevirtual; 1428 } 1429 if (cp_cache_entry->is_resolved(Bytecodes::_invokedynamic)) { 1430 return Bytecodes::_invokedynamic; 1431 } 1432 return -1; 1433 C2V_END 1434 1435 1436 C2V_VMENTRY_NULL(jobject, getSignaturePolymorphicHolders, (JNIEnv* env, jobject)) 1437 JVMCIObjectArray holders = JVMCIENV->new_String_array(2, JVMCI_CHECK_NULL); 1438 JVMCIObject mh = JVMCIENV->create_string("Ljava/lang/invoke/MethodHandle;", JVMCI_CHECK_NULL); 1439 JVMCIObject vh = JVMCIENV->create_string("Ljava/lang/invoke/VarHandle;", JVMCI_CHECK_NULL); 1440 JVMCIENV->put_object_at(holders, 0, mh); 1441 JVMCIENV->put_object_at(holders, 1, vh); 1442 return JVMCIENV->get_jobject(holders); 1443 C2V_END 1444 1445 C2V_VMENTRY_0(jboolean, shouldDebugNonSafepoints, (JNIEnv* env, jobject)) 1446 //see compute_recording_non_safepoints in debugInfroRec.cpp 1447 if (JvmtiExport::should_post_compiled_method_load() && FLAG_IS_DEFAULT(DebugNonSafepoints)) { 1448 return true; 1449 } 1450 return DebugNonSafepoints; 1451 C2V_END 1452 1453 // public native void materializeVirtualObjects(HotSpotStackFrameReference stackFrame, boolean invalidate); 1454 C2V_VMENTRY(void, materializeVirtualObjects, (JNIEnv* env, jobject, jobject _hs_frame, bool invalidate)) 1455 JVMCIObject hs_frame = JVMCIENV->wrap(_hs_frame); 1456 if (hs_frame.is_null()) { 1457 JVMCI_THROW_MSG(NullPointerException, "stack frame is null"); 1458 } 1459 1460 requireInHotSpot("materializeVirtualObjects", JVMCI_CHECK); 1461 1462 JVMCIENV->HotSpotStackFrameReference_initialize(JVMCI_CHECK); 1463 1464 // look for the given stack frame 1465 StackFrameStream fst(thread, false); 1466 intptr_t* stack_pointer = (intptr_t*) JVMCIENV->get_HotSpotStackFrameReference_stackPointer(hs_frame); 1467 while (fst.current()->sp() != stack_pointer && !fst.is_done()) { 1468 fst.next(); 1469 } 1470 if (fst.current()->sp() != stack_pointer) { 1471 JVMCI_THROW_MSG(IllegalStateException, "stack frame not found"); 1472 } 1473 1474 if (invalidate) { 1475 if (!fst.current()->is_compiled_frame()) { 1476 JVMCI_THROW_MSG(IllegalStateException, "compiled stack frame expected"); 1477 } 1478 assert(fst.current()->cb()->is_nmethod(), "nmethod expected"); 1479 ((nmethod*) fst.current()->cb())->make_not_entrant(); 1480 } 1481 Deoptimization::deoptimize(thread, *fst.current(), Deoptimization::Reason_none); 1482 // look for the frame again as it has been updated by deopt (pc, deopt state...) 1483 StackFrameStream fstAfterDeopt(thread); 1484 while (fstAfterDeopt.current()->sp() != stack_pointer && !fstAfterDeopt.is_done()) { 1485 fstAfterDeopt.next(); 1486 } 1487 if (fstAfterDeopt.current()->sp() != stack_pointer) { 1488 JVMCI_THROW_MSG(IllegalStateException, "stack frame not found after deopt"); 1489 } 1490 1491 vframe* vf = vframe::new_vframe(fstAfterDeopt.current(), fstAfterDeopt.register_map(), thread); 1492 if (!vf->is_compiled_frame()) { 1493 JVMCI_THROW_MSG(IllegalStateException, "compiled stack frame expected"); 1494 } 1495 1496 GrowableArray<compiledVFrame*>* virtualFrames = new GrowableArray<compiledVFrame*>(10); 1497 while (true) { 1498 assert(vf->is_compiled_frame(), "Wrong frame type"); 1499 virtualFrames->push(compiledVFrame::cast(vf)); 1500 if (vf->is_top()) { 1501 break; 1502 } 1503 vf = vf->sender(); 1504 } 1505 1506 int last_frame_number = JVMCIENV->get_HotSpotStackFrameReference_frameNumber(hs_frame); 1507 if (last_frame_number >= virtualFrames->length()) { 1508 JVMCI_THROW_MSG(IllegalStateException, "invalid frame number"); 1509 } 1510 1511 // Reallocate the non-escaping objects and restore their fields. 1512 assert (virtualFrames->at(last_frame_number)->scope() != NULL,"invalid scope"); 1513 GrowableArray<ScopeValue*>* objects = virtualFrames->at(last_frame_number)->scope()->objects(); 1514 1515 if (objects == NULL) { 1516 // no objects to materialize 1517 return; 1518 } 1519 1520 bool realloc_failures = Deoptimization::realloc_objects(thread, fstAfterDeopt.current(), fstAfterDeopt.register_map(), objects, CHECK); 1521 Deoptimization::reassign_fields(fstAfterDeopt.current(), fstAfterDeopt.register_map(), objects, realloc_failures, false); 1522 1523 for (int frame_index = 0; frame_index < virtualFrames->length(); frame_index++) { 1524 compiledVFrame* cvf = virtualFrames->at(frame_index); 1525 1526 GrowableArray<ScopeValue*>* scopeLocals = cvf->scope()->locals(); 1527 StackValueCollection* locals = cvf->locals(); 1528 if (locals != NULL) { 1529 for (int i2 = 0; i2 < locals->size(); i2++) { 1530 StackValue* var = locals->at(i2); 1531 if (var->type() == T_OBJECT && scopeLocals->at(i2)->is_object()) { 1532 jvalue val; 1533 val.l = cast_from_oop<jobject>(locals->at(i2)->get_obj()()); 1534 cvf->update_local(T_OBJECT, i2, val); 1535 } 1536 } 1537 } 1538 1539 GrowableArray<ScopeValue*>* scopeExpressions = cvf->scope()->expressions(); 1540 StackValueCollection* expressions = cvf->expressions(); 1541 if (expressions != NULL) { 1542 for (int i2 = 0; i2 < expressions->size(); i2++) { 1543 StackValue* var = expressions->at(i2); 1544 if (var->type() == T_OBJECT && scopeExpressions->at(i2)->is_object()) { 1545 jvalue val; 1546 val.l = cast_from_oop<jobject>(expressions->at(i2)->get_obj()()); 1547 cvf->update_stack(T_OBJECT, i2, val); 1548 } 1549 } 1550 } 1551 1552 GrowableArray<MonitorValue*>* scopeMonitors = cvf->scope()->monitors(); 1553 GrowableArray<MonitorInfo*>* monitors = cvf->monitors(); 1554 if (monitors != NULL) { 1555 for (int i2 = 0; i2 < monitors->length(); i2++) { 1556 cvf->update_monitor(i2, monitors->at(i2)); 1557 } 1558 } 1559 } 1560 1561 // all locals are materialized by now 1562 JVMCIENV->set_HotSpotStackFrameReference_localIsVirtual(hs_frame, NULL); 1563 // update the locals array 1564 JVMCIObjectArray array = JVMCIENV->get_HotSpotStackFrameReference_locals(hs_frame); 1565 StackValueCollection* locals = virtualFrames->at(last_frame_number)->locals(); 1566 for (int i = 0; i < locals->size(); i++) { 1567 StackValue* var = locals->at(i); 1568 if (var->type() == T_OBJECT) { 1569 JVMCIENV->put_object_at(array, i, HotSpotJVMCI::wrap(locals->at(i)->get_obj()())); 1570 } 1571 } 1572 HotSpotJVMCI::HotSpotStackFrameReference::set_objectsMaterialized(JVMCIENV, hs_frame, JNI_TRUE); 1573 C2V_END 1574 1575 // Creates a scope where the current thread is attached and detached 1576 // from HotSpot if it wasn't already attached when entering the scope. 1577 extern "C" void jio_printf(const char *fmt, ...); 1578 class AttachDetach : public StackObj { 1579 public: 1580 bool _attached; 1581 AttachDetach(JNIEnv* env, Thread* current_thread) { 1582 if (current_thread == NULL) { 1583 extern struct JavaVM_ main_vm; 1584 JNIEnv* hotspotEnv; 1585 jint res = main_vm.AttachCurrentThread((void**)&hotspotEnv, NULL); 1586 _attached = res == JNI_OK; 1587 static volatile int report_attach_error = 0; 1588 if (res != JNI_OK && report_attach_error == 0 && Atomic::cmpxchg(&report_attach_error, 0, 1) == 0) { 1589 // Only report an attach error once 1590 jio_printf("Warning: attaching current thread to VM failed with %d (future attach errors are suppressed)\n", res); 1591 } 1592 } else { 1593 _attached = false; 1594 } 1595 } 1596 ~AttachDetach() { 1597 if (_attached && get_current_thread() != NULL) { 1598 extern struct JavaVM_ main_vm; 1599 jint res = main_vm.DetachCurrentThread(); 1600 static volatile int report_detach_error = 0; 1601 if (res != JNI_OK && report_detach_error == 0 && Atomic::cmpxchg(&report_detach_error, 0, 1) == 0) { 1602 // Only report an attach error once 1603 jio_printf("Warning: detaching current thread from VM failed with %d (future attach errors are suppressed)\n", res); 1604 } 1605 } 1606 } 1607 }; 1608 1609 C2V_VMENTRY_PREFIX(jint, writeDebugOutput, (JNIEnv* env, jobject, jbyteArray bytes, jint offset, jint length, bool flush, bool can_throw)) 1610 AttachDetach ad(env, base_thread); 1611 bool use_tty = true; 1612 if (base_thread == NULL) { 1613 if (!ad._attached) { 1614 // Can only use tty if the current thread is attached 1615 return 0; 1616 } 1617 base_thread = get_current_thread(); 1618 } 1619 JVMCITraceMark jtm("writeDebugOutput"); 1620 assert(base_thread->is_Java_thread(), "just checking"); 1621 JavaThread* thread = (JavaThread*) base_thread; 1622 C2V_BLOCK(void, writeDebugOutput, (JNIEnv* env, jobject, jbyteArray bytes, jint offset, jint length)) 1623 if (bytes == NULL) { 1624 if (can_throw) { 1625 JVMCI_THROW_0(NullPointerException); 1626 } 1627 return -1; 1628 } 1629 JVMCIPrimitiveArray array = JVMCIENV->wrap(bytes); 1630 1631 // Check if offset and length are non negative. 1632 if (offset < 0 || length < 0) { 1633 if (can_throw) { 1634 JVMCI_THROW_0(ArrayIndexOutOfBoundsException); 1635 } 1636 return -2; 1637 } 1638 // Check if the range is valid. 1639 int array_length = JVMCIENV->get_length(array); 1640 if ((((unsigned int) length + (unsigned int) offset) > (unsigned int) array_length)) { 1641 if (can_throw) { 1642 JVMCI_THROW_0(ArrayIndexOutOfBoundsException); 1643 } 1644 return -2; 1645 } 1646 jbyte buffer[O_BUFLEN]; 1647 while (length > 0) { 1648 int copy_len = MIN2(length, (jint)O_BUFLEN); 1649 JVMCIENV->copy_bytes_to(array, buffer, offset, copy_len); 1650 tty->write((char*) buffer, copy_len); 1651 length -= O_BUFLEN; 1652 offset += O_BUFLEN; 1653 } 1654 if (flush) { 1655 tty->flush(); 1656 } 1657 return 0; 1658 C2V_END 1659 1660 C2V_VMENTRY(void, flushDebugOutput, (JNIEnv* env, jobject)) 1661 tty->flush(); 1662 C2V_END 1663 1664 C2V_VMENTRY_0(jint, methodDataProfileDataSize, (JNIEnv* env, jobject, jlong metaspace_method_data, jint position)) 1665 MethodData* mdo = JVMCIENV->asMethodData(metaspace_method_data); 1666 ProfileData* profile_data = mdo->data_at(position); 1667 if (mdo->is_valid(profile_data)) { 1668 return profile_data->size_in_bytes(); 1669 } 1670 DataLayout* data = mdo->extra_data_base(); 1671 DataLayout* end = mdo->extra_data_limit(); 1672 for (;; data = mdo->next_extra(data)) { 1673 assert(data < end, "moved past end of extra data"); 1674 profile_data = data->data_in(); 1675 if (mdo->dp_to_di(profile_data->dp()) == position) { 1676 return profile_data->size_in_bytes(); 1677 } 1678 } 1679 JVMCI_THROW_MSG_0(IllegalArgumentException, err_msg("Invalid profile data position %d", position)); 1680 C2V_END 1681 1682 C2V_VMENTRY_0(jlong, getFingerprint, (JNIEnv* env, jobject, jlong metaspace_klass)) 1683 #if INCLUDE_AOT 1684 Klass *k = (Klass*) (address) metaspace_klass; 1685 if (k->is_instance_klass()) { 1686 return InstanceKlass::cast(k)->get_stored_fingerprint(); 1687 } else { 1688 return 0; 1689 } 1690 #else 1691 JVMCI_THROW_MSG_0(InternalError, "unimplemented"); 1692 #endif 1693 C2V_END 1694 1695 C2V_VMENTRY_NULL(jobject, getHostClass, (JNIEnv* env, jobject, jobject jvmci_type)) 1696 InstanceKlass* k = InstanceKlass::cast(JVMCIENV->asKlass(jvmci_type)); 1697 InstanceKlass* host = k->unsafe_anonymous_host(); 1698 JVMCIKlassHandle handle(THREAD, host); 1699 JVMCIObject result = JVMCIENV->get_jvmci_type(handle, JVMCI_CHECK_NULL); 1700 return JVMCIENV->get_jobject(result); 1701 C2V_END 1702 1703 C2V_VMENTRY_NULL(jobject, getInterfaces, (JNIEnv* env, jobject, jobject jvmci_type)) 1704 if (jvmci_type == NULL) { 1705 JVMCI_THROW_0(NullPointerException); 1706 } 1707 1708 Klass* klass = JVMCIENV->asKlass(jvmci_type); 1709 if (klass == NULL) { 1710 JVMCI_THROW_0(NullPointerException); 1711 } 1712 if (!klass->is_instance_klass()) { 1713 JVMCI_THROW_MSG_0(InternalError, err_msg("Class %s must be instance klass", klass->external_name())); 1714 } 1715 InstanceKlass* iklass = InstanceKlass::cast(klass); 1716 1717 // Regular instance klass, fill in all local interfaces 1718 int size = iklass->local_interfaces()->length(); 1719 JVMCIObjectArray interfaces = JVMCIENV->new_HotSpotResolvedObjectTypeImpl_array(size, JVMCI_CHECK_NULL); 1720 for (int index = 0; index < size; index++) { 1721 JVMCIKlassHandle klass(THREAD); 1722 Klass* k = iklass->local_interfaces()->at(index); 1723 klass = k; 1724 JVMCIObject type = JVMCIENV->get_jvmci_type(klass, JVMCI_CHECK_NULL); 1725 JVMCIENV->put_object_at(interfaces, index, type); 1726 } 1727 return JVMCIENV->get_jobject(interfaces); 1728 C2V_END 1729 1730 C2V_VMENTRY_NULL(jobject, getComponentType, (JNIEnv* env, jobject, jobject jvmci_type)) 1731 if (jvmci_type == NULL) { 1732 JVMCI_THROW_0(NullPointerException); 1733 } 1734 1735 Klass* klass = JVMCIENV->asKlass(jvmci_type); 1736 oop mirror = klass->java_mirror(); 1737 if (java_lang_Class::is_primitive(mirror) || 1738 !java_lang_Class::as_Klass(mirror)->is_array_klass()) { 1739 return NULL; 1740 } 1741 1742 oop component_mirror = java_lang_Class::component_mirror(mirror); 1743 if (component_mirror == NULL) { 1744 return NULL; 1745 } 1746 Klass* component_klass = java_lang_Class::as_Klass(component_mirror); 1747 if (component_klass != NULL) { 1748 JVMCIKlassHandle klass_handle(THREAD); 1749 klass_handle = component_klass; 1750 JVMCIObject result = JVMCIENV->get_jvmci_type(klass_handle, JVMCI_CHECK_NULL); 1751 return JVMCIENV->get_jobject(result); 1752 } 1753 BasicType type = java_lang_Class::primitive_type(component_mirror); 1754 JVMCIObject result = JVMCIENV->get_jvmci_primitive_type(type); 1755 return JVMCIENV->get_jobject(result); 1756 C2V_END 1757 1758 C2V_VMENTRY(void, ensureInitialized, (JNIEnv* env, jobject, jobject jvmci_type)) 1759 if (jvmci_type == NULL) { 1760 JVMCI_THROW(NullPointerException); 1761 } 1762 1763 Klass* klass = JVMCIENV->asKlass(jvmci_type); 1764 if (klass != NULL && klass->should_be_initialized()) { 1765 InstanceKlass* k = InstanceKlass::cast(klass); 1766 k->initialize(CHECK); 1767 } 1768 C2V_END 1769 1770 C2V_VMENTRY_0(jint, interpreterFrameSize, (JNIEnv* env, jobject, jobject bytecode_frame_handle)) 1771 if (bytecode_frame_handle == NULL) { 1772 JVMCI_THROW_0(NullPointerException); 1773 } 1774 1775 JVMCIObject top_bytecode_frame = JVMCIENV->wrap(bytecode_frame_handle); 1776 JVMCIObject bytecode_frame = top_bytecode_frame; 1777 int size = 0; 1778 int callee_parameters = 0; 1779 int callee_locals = 0; 1780 Method* method = JVMCIENV->asMethod(JVMCIENV->get_BytecodePosition_method(bytecode_frame)); 1781 int extra_args = method->max_stack() - JVMCIENV->get_BytecodeFrame_numStack(bytecode_frame); 1782 1783 while (bytecode_frame.is_non_null()) { 1784 int locks = JVMCIENV->get_BytecodeFrame_numLocks(bytecode_frame); 1785 int temps = JVMCIENV->get_BytecodeFrame_numStack(bytecode_frame); 1786 bool is_top_frame = (JVMCIENV->equals(bytecode_frame, top_bytecode_frame)); 1787 Method* method = JVMCIENV->asMethod(JVMCIENV->get_BytecodePosition_method(bytecode_frame)); 1788 1789 int frame_size = BytesPerWord * Interpreter::size_activation(method->max_stack(), 1790 temps + callee_parameters, 1791 extra_args, 1792 locks, 1793 callee_parameters, 1794 callee_locals, 1795 is_top_frame); 1796 size += frame_size; 1797 1798 callee_parameters = method->size_of_parameters(); 1799 callee_locals = method->max_locals(); 1800 extra_args = 0; 1801 bytecode_frame = JVMCIENV->get_BytecodePosition_caller(bytecode_frame); 1802 } 1803 return size + Deoptimization::last_frame_adjust(0, callee_locals) * BytesPerWord; 1804 C2V_END 1805 1806 C2V_VMENTRY(void, compileToBytecode, (JNIEnv* env, jobject, jobject lambda_form_handle)) 1807 Handle lambda_form = JVMCIENV->asConstant(JVMCIENV->wrap(lambda_form_handle), JVMCI_CHECK); 1808 if (lambda_form->is_a(SystemDictionary::LambdaForm_klass())) { 1809 TempNewSymbol compileToBytecode = SymbolTable::new_symbol("compileToBytecode"); 1810 JavaValue result(T_VOID); 1811 JavaCalls::call_special(&result, lambda_form, SystemDictionary::LambdaForm_klass(), compileToBytecode, vmSymbols::void_method_signature(), CHECK); 1812 } else { 1813 JVMCI_THROW_MSG(IllegalArgumentException, 1814 err_msg("Unexpected type: %s", lambda_form->klass()->external_name())) 1815 } 1816 C2V_END 1817 1818 C2V_VMENTRY_0(jint, getIdentityHashCode, (JNIEnv* env, jobject, jobject object)) 1819 Handle obj = JVMCIENV->asConstant(JVMCIENV->wrap(object), JVMCI_CHECK_0); 1820 return obj->identity_hash(); 1821 C2V_END 1822 1823 C2V_VMENTRY_0(jboolean, isInternedString, (JNIEnv* env, jobject, jobject object)) 1824 Handle str = JVMCIENV->asConstant(JVMCIENV->wrap(object), JVMCI_CHECK_0); 1825 if (!java_lang_String::is_instance(str())) { 1826 return false; 1827 } 1828 int len; 1829 jchar* name = java_lang_String::as_unicode_string(str(), len, CHECK_false); 1830 return (StringTable::lookup(name, len) != NULL); 1831 C2V_END 1832 1833 1834 C2V_VMENTRY_NULL(jobject, unboxPrimitive, (JNIEnv* env, jobject, jobject object)) 1835 if (object == NULL) { 1836 JVMCI_THROW_0(NullPointerException); 1837 } 1838 Handle box = JVMCIENV->asConstant(JVMCIENV->wrap(object), JVMCI_CHECK_NULL); 1839 BasicType type = java_lang_boxing_object::basic_type(box()); 1840 jvalue result; 1841 if (java_lang_boxing_object::get_value(box(), &result) == T_ILLEGAL) { 1842 return NULL; 1843 } 1844 JVMCIObject boxResult = JVMCIENV->create_box(type, &result, JVMCI_CHECK_NULL); 1845 return JVMCIENV->get_jobject(boxResult); 1846 C2V_END 1847 1848 C2V_VMENTRY_NULL(jobject, boxPrimitive, (JNIEnv* env, jobject, jobject object)) 1849 if (object == NULL) { 1850 JVMCI_THROW_0(NullPointerException); 1851 } 1852 JVMCIObject box = JVMCIENV->wrap(object); 1853 BasicType type = JVMCIENV->get_box_type(box); 1854 if (type == T_ILLEGAL) { 1855 return NULL; 1856 } 1857 jvalue value = JVMCIENV->get_boxed_value(type, box); 1858 JavaValue box_result(T_OBJECT); 1859 JavaCallArguments jargs; 1860 Klass* box_klass = NULL; 1861 Symbol* box_signature = NULL; 1862 #define BOX_CASE(bt, v, argtype, name) \ 1863 case bt: \ 1864 jargs.push_##argtype(value.v); \ 1865 box_klass = SystemDictionary::name##_klass(); \ 1866 box_signature = vmSymbols::name##_valueOf_signature(); \ 1867 break 1868 1869 switch (type) { 1870 BOX_CASE(T_BOOLEAN, z, int, Boolean); 1871 BOX_CASE(T_BYTE, b, int, Byte); 1872 BOX_CASE(T_CHAR, c, int, Character); 1873 BOX_CASE(T_SHORT, s, int, Short); 1874 BOX_CASE(T_INT, i, int, Integer); 1875 BOX_CASE(T_LONG, j, long, Long); 1876 BOX_CASE(T_FLOAT, f, float, Float); 1877 BOX_CASE(T_DOUBLE, d, double, Double); 1878 default: 1879 ShouldNotReachHere(); 1880 } 1881 #undef BOX_CASE 1882 1883 JavaCalls::call_static(&box_result, 1884 box_klass, 1885 vmSymbols::valueOf_name(), 1886 box_signature, &jargs, CHECK_NULL); 1887 oop hotspot_box = (oop) box_result.get_jobject(); 1888 JVMCIObject result = JVMCIENV->get_object_constant(hotspot_box, false); 1889 return JVMCIENV->get_jobject(result); 1890 C2V_END 1891 1892 C2V_VMENTRY_NULL(jobjectArray, getDeclaredConstructors, (JNIEnv* env, jobject, jobject holder)) 1893 if (holder == NULL) { 1894 JVMCI_THROW_0(NullPointerException); 1895 } 1896 Klass* klass = JVMCIENV->asKlass(holder); 1897 if (!klass->is_instance_klass()) { 1898 JVMCIObjectArray methods = JVMCIENV->new_ResolvedJavaMethod_array(0, JVMCI_CHECK_NULL); 1899 return JVMCIENV->get_jobjectArray(methods); 1900 } 1901 1902 InstanceKlass* iklass = InstanceKlass::cast(klass); 1903 // Ensure class is linked 1904 iklass->link_class(CHECK_NULL); 1905 1906 GrowableArray<Method*> constructors_array; 1907 for (int i = 0; i < iklass->methods()->length(); i++) { 1908 Method* m = iklass->methods()->at(i); 1909 if (m->is_initializer() && !m->is_static()) { 1910 constructors_array.append(m); 1911 } 1912 } 1913 JVMCIObjectArray methods = JVMCIENV->new_ResolvedJavaMethod_array(constructors_array.length(), JVMCI_CHECK_NULL); 1914 for (int i = 0; i < constructors_array.length(); i++) { 1915 methodHandle ctor(THREAD, constructors_array.at(i)); 1916 JVMCIObject method = JVMCIENV->get_jvmci_method(ctor, JVMCI_CHECK_NULL); 1917 JVMCIENV->put_object_at(methods, i, method); 1918 } 1919 return JVMCIENV->get_jobjectArray(methods); 1920 C2V_END 1921 1922 C2V_VMENTRY_NULL(jobjectArray, getDeclaredMethods, (JNIEnv* env, jobject, jobject holder)) 1923 if (holder == NULL) { 1924 JVMCI_THROW_0(NullPointerException); 1925 } 1926 Klass* klass = JVMCIENV->asKlass(holder); 1927 if (!klass->is_instance_klass()) { 1928 JVMCIObjectArray methods = JVMCIENV->new_ResolvedJavaMethod_array(0, JVMCI_CHECK_NULL); 1929 return JVMCIENV->get_jobjectArray(methods); 1930 } 1931 1932 InstanceKlass* iklass = InstanceKlass::cast(klass); 1933 // Ensure class is linked 1934 iklass->link_class(CHECK_NULL); 1935 1936 GrowableArray<Method*> methods_array; 1937 for (int i = 0; i < iklass->methods()->length(); i++) { 1938 Method* m = iklass->methods()->at(i); 1939 if (!m->is_initializer() && !m->is_overpass()) { 1940 methods_array.append(m); 1941 } 1942 } 1943 JVMCIObjectArray methods = JVMCIENV->new_ResolvedJavaMethod_array(methods_array.length(), JVMCI_CHECK_NULL); 1944 for (int i = 0; i < methods_array.length(); i++) { 1945 methodHandle mh(THREAD, methods_array.at(i)); 1946 JVMCIObject method = JVMCIENV->get_jvmci_method(mh, JVMCI_CHECK_NULL); 1947 JVMCIENV->put_object_at(methods, i, method); 1948 } 1949 return JVMCIENV->get_jobjectArray(methods); 1950 C2V_END 1951 1952 C2V_VMENTRY_NULL(jobject, readFieldValue, (JNIEnv* env, jobject, jobject object, jobject field, jboolean is_volatile)) 1953 if (object == NULL || field == NULL) { 1954 JVMCI_THROW_0(NullPointerException); 1955 } 1956 JVMCIObject field_object = JVMCIENV->wrap(field); 1957 JVMCIObject java_type = JVMCIENV->get_HotSpotResolvedJavaFieldImpl_type(field_object); 1958 int modifiers = JVMCIENV->get_HotSpotResolvedJavaFieldImpl_modifiers(field_object); 1959 Klass* holder = JVMCIENV->asKlass(JVMCIENV->get_HotSpotResolvedJavaFieldImpl_holder(field_object)); 1960 if (!holder->is_instance_klass()) { 1961 JVMCI_THROW_MSG_0(InternalError, err_msg("Holder %s must be instance klass", holder->external_name())); 1962 } 1963 InstanceKlass* ik = InstanceKlass::cast(holder); 1964 BasicType constant_type; 1965 if (JVMCIENV->isa_HotSpotResolvedPrimitiveType(java_type)) { 1966 constant_type = JVMCIENV->kindToBasicType(JVMCIENV->get_HotSpotResolvedPrimitiveType_kind(java_type), JVMCI_CHECK_NULL); 1967 } else { 1968 constant_type = T_OBJECT; 1969 } 1970 int displacement = JVMCIENV->get_HotSpotResolvedJavaFieldImpl_offset(field_object); 1971 fieldDescriptor fd; 1972 if (!ik->find_local_field_from_offset(displacement, (modifiers & JVM_ACC_STATIC) != 0, &fd)) { 1973 JVMCI_THROW_MSG_0(InternalError, err_msg("Can't find field with displacement %d", displacement)); 1974 } 1975 JVMCIObject base = JVMCIENV->wrap(object); 1976 Handle obj; 1977 if (JVMCIENV->isa_HotSpotObjectConstantImpl(base)) { 1978 obj = JVMCIENV->asConstant(base, JVMCI_CHECK_NULL); 1979 } else if (JVMCIENV->isa_HotSpotResolvedObjectTypeImpl(base)) { 1980 Klass* klass = JVMCIENV->asKlass(base); 1981 obj = Handle(THREAD, klass->java_mirror()); 1982 } else { 1983 JVMCI_THROW_MSG_NULL(IllegalArgumentException, 1984 err_msg("Unexpected type: %s", JVMCIENV->klass_name(base))); 1985 } 1986 jlong value = 0; 1987 JVMCIObject kind; 1988 switch (constant_type) { 1989 case T_OBJECT: { 1990 oop object = is_volatile ? obj->obj_field_acquire(displacement) : obj->obj_field(displacement); 1991 JVMCIObject result = JVMCIENV->get_object_constant(object); 1992 if (result.is_null()) { 1993 return JVMCIENV->get_jobject(JVMCIENV->get_JavaConstant_NULL_POINTER()); 1994 } 1995 return JVMCIENV->get_jobject(result); 1996 } 1997 case T_FLOAT: { 1998 float f = is_volatile ? obj->float_field_acquire(displacement) : obj->float_field(displacement); 1999 JVMCIObject result = JVMCIENV->call_JavaConstant_forFloat(f, JVMCI_CHECK_NULL); 2000 return JVMCIENV->get_jobject(result); 2001 } 2002 case T_DOUBLE: { 2003 double f = is_volatile ? obj->double_field_acquire(displacement) : obj->double_field(displacement); 2004 JVMCIObject result = JVMCIENV->call_JavaConstant_forDouble(f, JVMCI_CHECK_NULL); 2005 return JVMCIENV->get_jobject(result); 2006 } 2007 case T_BOOLEAN: value = is_volatile ? obj->bool_field_acquire(displacement) : obj->bool_field(displacement); break; 2008 case T_BYTE: value = is_volatile ? obj->byte_field_acquire(displacement) : obj->byte_field(displacement); break; 2009 case T_SHORT: value = is_volatile ? obj->short_field_acquire(displacement) : obj->short_field(displacement); break; 2010 case T_CHAR: value = is_volatile ? obj->char_field_acquire(displacement) : obj->char_field(displacement); break; 2011 case T_INT: value = is_volatile ? obj->int_field_acquire(displacement) : obj->int_field(displacement); break; 2012 case T_LONG: value = is_volatile ? obj->long_field_acquire(displacement) : obj->long_field(displacement); break; 2013 default: 2014 ShouldNotReachHere(); 2015 } 2016 JVMCIObject result = JVMCIENV->call_PrimitiveConstant_forTypeChar(type2char(constant_type), value, JVMCI_CHECK_NULL); 2017 return JVMCIENV->get_jobject(result); 2018 C2V_END 2019 2020 C2V_VMENTRY_0(jboolean, isInstance, (JNIEnv* env, jobject, jobject holder, jobject object)) 2021 if (object == NULL || holder == NULL) { 2022 JVMCI_THROW_0(NullPointerException); 2023 } 2024 Handle obj = JVMCIENV->asConstant(JVMCIENV->wrap(object), JVMCI_CHECK_0); 2025 Klass* klass = JVMCIENV->asKlass(JVMCIENV->wrap(holder)); 2026 return obj->is_a(klass); 2027 C2V_END 2028 2029 C2V_VMENTRY_0(jboolean, isAssignableFrom, (JNIEnv* env, jobject, jobject holder, jobject otherHolder)) 2030 if (holder == NULL || otherHolder == NULL) { 2031 JVMCI_THROW_0(NullPointerException); 2032 } 2033 Klass* klass = JVMCIENV->asKlass(JVMCIENV->wrap(holder)); 2034 Klass* otherKlass = JVMCIENV->asKlass(JVMCIENV->wrap(otherHolder)); 2035 return otherKlass->is_subtype_of(klass); 2036 C2V_END 2037 2038 C2V_VMENTRY_0(jboolean, isTrustedForIntrinsics, (JNIEnv* env, jobject, jobject holder)) 2039 if (holder == NULL) { 2040 JVMCI_THROW_0(NullPointerException); 2041 } 2042 InstanceKlass* ik = InstanceKlass::cast(JVMCIENV->asKlass(JVMCIENV->wrap(holder))); 2043 if (ik->class_loader_data()->is_boot_class_loader_data() || ik->class_loader_data()->is_platform_class_loader_data()) { 2044 return true; 2045 } 2046 return false; 2047 C2V_END 2048 2049 C2V_VMENTRY_NULL(jobject, asJavaType, (JNIEnv* env, jobject, jobject object)) 2050 if (object == NULL) { 2051 JVMCI_THROW_0(NullPointerException); 2052 } 2053 Handle obj = JVMCIENV->asConstant(JVMCIENV->wrap(object), JVMCI_CHECK_NULL); 2054 if (java_lang_Class::is_instance(obj())) { 2055 if (java_lang_Class::is_primitive(obj())) { 2056 JVMCIObject type = JVMCIENV->get_jvmci_primitive_type(java_lang_Class::primitive_type(obj())); 2057 return JVMCIENV->get_jobject(type); 2058 } 2059 Klass* klass = java_lang_Class::as_Klass(obj()); 2060 JVMCIKlassHandle klass_handle(THREAD); 2061 klass_handle = klass; 2062 JVMCIObject type = JVMCIENV->get_jvmci_type(klass_handle, JVMCI_CHECK_NULL); 2063 return JVMCIENV->get_jobject(type); 2064 } 2065 return NULL; 2066 C2V_END 2067 2068 2069 C2V_VMENTRY_NULL(jobject, asString, (JNIEnv* env, jobject, jobject object)) 2070 if (object == NULL) { 2071 JVMCI_THROW_0(NullPointerException); 2072 } 2073 Handle obj = JVMCIENV->asConstant(JVMCIENV->wrap(object), JVMCI_CHECK_NULL); 2074 const char* str = java_lang_String::as_utf8_string(obj()); 2075 JVMCIObject result = JVMCIENV->create_string(str, JVMCI_CHECK_NULL); 2076 return JVMCIENV->get_jobject(result); 2077 C2V_END 2078 2079 2080 C2V_VMENTRY_0(jboolean, equals, (JNIEnv* env, jobject, jobject x, jlong xHandle, jobject y, jlong yHandle)) 2081 if (x == NULL || y == NULL) { 2082 JVMCI_THROW_0(NullPointerException); 2083 } 2084 return JVMCIENV->resolve_handle(xHandle) == JVMCIENV->resolve_handle(yHandle); 2085 C2V_END 2086 2087 C2V_VMENTRY_NULL(jobject, getJavaMirror, (JNIEnv* env, jobject, jobject object)) 2088 if (object == NULL) { 2089 JVMCI_THROW_0(NullPointerException); 2090 } 2091 JVMCIObject base_object = JVMCIENV->wrap(object); 2092 Handle mirror; 2093 if (JVMCIENV->isa_HotSpotResolvedObjectTypeImpl(base_object)) { 2094 mirror = Handle(THREAD, JVMCIENV->asKlass(base_object)->java_mirror()); 2095 } else if (JVMCIENV->isa_HotSpotResolvedPrimitiveType(base_object)) { 2096 mirror = JVMCIENV->asConstant(JVMCIENV->get_HotSpotResolvedPrimitiveType_mirror(base_object), JVMCI_CHECK_NULL); 2097 } else { 2098 JVMCI_THROW_MSG_NULL(IllegalArgumentException, 2099 err_msg("Unexpected type: %s", JVMCIENV->klass_name(base_object))); 2100 } 2101 JVMCIObject result = JVMCIENV->get_object_constant(mirror()); 2102 return JVMCIENV->get_jobject(result); 2103 C2V_END 2104 2105 2106 C2V_VMENTRY_0(jint, getArrayLength, (JNIEnv* env, jobject, jobject x)) 2107 if (x == NULL) { 2108 JVMCI_THROW_0(NullPointerException); 2109 } 2110 Handle xobj = JVMCIENV->asConstant(JVMCIENV->wrap(x), JVMCI_CHECK_0); 2111 if (xobj->klass()->is_array_klass()) { 2112 return arrayOop(xobj())->length(); 2113 } 2114 return -1; 2115 C2V_END 2116 2117 2118 C2V_VMENTRY_NULL(jobject, readArrayElement, (JNIEnv* env, jobject, jobject x, int index)) 2119 if (x == NULL) { 2120 JVMCI_THROW_0(NullPointerException); 2121 } 2122 Handle xobj = JVMCIENV->asConstant(JVMCIENV->wrap(x), JVMCI_CHECK_NULL); 2123 if (xobj->klass()->is_array_klass()) { 2124 arrayOop array = arrayOop(xobj()); 2125 BasicType element_type = ArrayKlass::cast(array->klass())->element_type(); 2126 if (index < 0 || index >= array->length()) { 2127 return NULL; 2128 } 2129 JVMCIObject result; 2130 2131 if (element_type == T_OBJECT) { 2132 result = JVMCIENV->get_object_constant(objArrayOop(xobj())->obj_at(index)); 2133 if (result.is_null()) { 2134 result = JVMCIENV->get_JavaConstant_NULL_POINTER(); 2135 } 2136 } else { 2137 jvalue value; 2138 switch (element_type) { 2139 case T_DOUBLE: value.d = typeArrayOop(xobj())->double_at(index); break; 2140 case T_FLOAT: value.f = typeArrayOop(xobj())->float_at(index); break; 2141 case T_LONG: value.j = typeArrayOop(xobj())->long_at(index); break; 2142 case T_INT: value.i = typeArrayOop(xobj())->int_at(index); break; 2143 case T_SHORT: value.s = typeArrayOop(xobj())->short_at(index); break; 2144 case T_CHAR: value.c = typeArrayOop(xobj())->char_at(index); break; 2145 case T_BYTE: value.b = typeArrayOop(xobj())->byte_at(index); break; 2146 case T_BOOLEAN: value.z = typeArrayOop(xobj())->byte_at(index) & 1; break; 2147 default: ShouldNotReachHere(); 2148 } 2149 result = JVMCIENV->create_box(element_type, &value, JVMCI_CHECK_NULL); 2150 } 2151 assert(!result.is_null(), "must have a value"); 2152 return JVMCIENV->get_jobject(result); 2153 } 2154 return NULL;; 2155 C2V_END 2156 2157 2158 C2V_VMENTRY_0(jint, arrayBaseOffset, (JNIEnv* env, jobject, jobject kind)) 2159 if (kind == NULL) { 2160 JVMCI_THROW_0(NullPointerException); 2161 } 2162 BasicType type = JVMCIENV->kindToBasicType(JVMCIENV->wrap(kind), JVMCI_CHECK_0); 2163 return arrayOopDesc::header_size(type) * HeapWordSize; 2164 C2V_END 2165 2166 C2V_VMENTRY_0(jint, arrayIndexScale, (JNIEnv* env, jobject, jobject kind)) 2167 if (kind == NULL) { 2168 JVMCI_THROW_0(NullPointerException); 2169 } 2170 BasicType type = JVMCIENV->kindToBasicType(JVMCIENV->wrap(kind), JVMCI_CHECK_0); 2171 return type2aelembytes(type); 2172 C2V_END 2173 2174 C2V_VMENTRY_0(jbyte, getByte, (JNIEnv* env, jobject, jobject x, long displacement)) 2175 if (x == NULL) { 2176 JVMCI_THROW_0(NullPointerException); 2177 } 2178 Handle xobj = JVMCIENV->asConstant(JVMCIENV->wrap(x), JVMCI_CHECK_0); 2179 return xobj->byte_field(displacement); 2180 } 2181 2182 C2V_VMENTRY_0(jshort, getShort, (JNIEnv* env, jobject, jobject x, long displacement)) 2183 if (x == NULL) { 2184 JVMCI_THROW_0(NullPointerException); 2185 } 2186 Handle xobj = JVMCIENV->asConstant(JVMCIENV->wrap(x), JVMCI_CHECK_0); 2187 return xobj->short_field(displacement); 2188 } 2189 2190 C2V_VMENTRY_0(jint, getInt, (JNIEnv* env, jobject, jobject x, long displacement)) 2191 if (x == NULL) { 2192 JVMCI_THROW_0(NullPointerException); 2193 } 2194 Handle xobj = JVMCIENV->asConstant(JVMCIENV->wrap(x), JVMCI_CHECK_0); 2195 return xobj->int_field(displacement); 2196 } 2197 2198 C2V_VMENTRY_0(jlong, getLong, (JNIEnv* env, jobject, jobject x, long displacement)) 2199 if (x == NULL) { 2200 JVMCI_THROW_0(NullPointerException); 2201 } 2202 Handle xobj = JVMCIENV->asConstant(JVMCIENV->wrap(x), JVMCI_CHECK_0); 2203 return xobj->long_field(displacement); 2204 } 2205 2206 C2V_VMENTRY_NULL(jobject, getObject, (JNIEnv* env, jobject, jobject x, long displacement)) 2207 if (x == NULL) { 2208 JVMCI_THROW_0(NullPointerException); 2209 } 2210 Handle xobj = JVMCIENV->asConstant(JVMCIENV->wrap(x), JVMCI_CHECK_0); 2211 oop res = xobj->obj_field(displacement); 2212 JVMCIObject result = JVMCIENV->get_object_constant(res); 2213 return JVMCIENV->get_jobject(result); 2214 } 2215 2216 C2V_VMENTRY(void, deleteGlobalHandle, (JNIEnv* env, jobject, jlong h)) 2217 jobject handle = (jobject)(address)h; 2218 if (handle != NULL) { 2219 JVMCI::destroy_global(handle); 2220 } 2221 } 2222 2223 static void requireJVMCINativeLibrary(JVMCI_TRAPS) { 2224 if (!UseJVMCINativeLibrary) { 2225 JVMCI_THROW_MSG(UnsupportedOperationException, "JVMCI shared library is not enabled (requires -XX:+UseJVMCINativeLibrary)"); 2226 } 2227 } 2228 2229 static JavaVM* requireNativeLibraryJavaVM(const char* caller, JVMCI_TRAPS) { 2230 JavaVM* javaVM = JVMCIEnv::get_shared_library_javavm(); 2231 if (javaVM == NULL) { 2232 JVMCI_THROW_MSG_NULL(IllegalStateException, err_msg("Require JVMCI shared library to be initialized in %s", caller)); 2233 } 2234 return javaVM; 2235 } 2236 2237 C2V_VMENTRY_NULL(jlongArray, registerNativeMethods, (JNIEnv* env, jobject, jclass mirror)) 2238 requireJVMCINativeLibrary(JVMCI_CHECK_NULL); 2239 requireInHotSpot("registerNativeMethods", JVMCI_CHECK_NULL); 2240 void* shared_library = JVMCIEnv::get_shared_library_handle(); 2241 if (shared_library == NULL) { 2242 // Ensure the JVMCI shared library runtime is initialized. 2243 JVMCIEnv __peer_jvmci_env__(thread, false, __FILE__, __LINE__); 2244 JVMCIEnv* peerEnv = &__peer_jvmci_env__; 2245 HandleMark hm; 2246 JVMCIRuntime* runtime = JVMCI::compiler_runtime(); 2247 JVMCIObject receiver = runtime->get_HotSpotJVMCIRuntime(peerEnv); 2248 if (peerEnv->has_pending_exception()) { 2249 peerEnv->describe_pending_exception(true); 2250 } 2251 shared_library = JVMCIEnv::get_shared_library_handle(); 2252 if (shared_library == NULL) { 2253 JVMCI_THROW_MSG_0(InternalError, "Error initializing JVMCI runtime"); 2254 } 2255 } 2256 2257 if (mirror == NULL) { 2258 JVMCI_THROW_0(NullPointerException); 2259 } 2260 Klass* klass = java_lang_Class::as_Klass(JNIHandles::resolve(mirror)); 2261 if (klass == NULL || !klass->is_instance_klass()) { 2262 JVMCI_THROW_MSG_0(IllegalArgumentException, "clazz is for primitive type"); 2263 } 2264 2265 InstanceKlass* iklass = InstanceKlass::cast(klass); 2266 for (int i = 0; i < iklass->methods()->length(); i++) { 2267 methodHandle method(THREAD, iklass->methods()->at(i)); 2268 if (method->is_native()) { 2269 2270 // Compute argument size 2271 int args_size = 1 // JNIEnv 2272 + (method->is_static() ? 1 : 0) // class for static methods 2273 + method->size_of_parameters(); // actual parameters 2274 2275 // 1) Try JNI short style 2276 stringStream st; 2277 char* pure_name = NativeLookup::pure_jni_name(method); 2278 os::print_jni_name_prefix_on(&st, args_size); 2279 st.print_raw(pure_name); 2280 os::print_jni_name_suffix_on(&st, args_size); 2281 char* jni_name = st.as_string(); 2282 2283 address entry = (address) os::dll_lookup(shared_library, jni_name); 2284 if (entry == NULL) { 2285 // 2) Try JNI long style 2286 st.reset(); 2287 char* long_name = NativeLookup::long_jni_name(method); 2288 os::print_jni_name_prefix_on(&st, args_size); 2289 st.print_raw(pure_name); 2290 st.print_raw(long_name); 2291 os::print_jni_name_suffix_on(&st, args_size); 2292 char* jni_long_name = st.as_string(); 2293 entry = (address) os::dll_lookup(shared_library, jni_long_name); 2294 if (entry == NULL) { 2295 JVMCI_THROW_MSG_0(UnsatisfiedLinkError, err_msg("%s [neither %s nor %s exist in %s]", 2296 method->name_and_sig_as_C_string(), 2297 jni_name, jni_long_name, JVMCIEnv::get_shared_library_path())); 2298 } 2299 } 2300 2301 if (method->has_native_function() && entry != method->native_function()) { 2302 JVMCI_THROW_MSG_0(UnsatisfiedLinkError, err_msg("%s [cannot re-link from " PTR_FORMAT " to " PTR_FORMAT "]", 2303 method->name_and_sig_as_C_string(), p2i(method->native_function()), p2i(entry))); 2304 } 2305 method->set_native_function(entry, Method::native_bind_event_is_interesting); 2306 log_debug(jni, resolve)("[Dynamic-linking native method %s.%s ... JNI]", 2307 method->method_holder()->external_name(), 2308 method->name()->as_C_string()); 2309 } 2310 } 2311 2312 JavaVM* javaVM = JVMCIEnv::get_shared_library_javavm(); 2313 JVMCIPrimitiveArray result = JVMCIENV->new_longArray(4, JVMCI_CHECK_NULL); 2314 JVMCIENV->put_long_at(result, 0, (jlong) (address) javaVM); 2315 JVMCIENV->put_long_at(result, 1, (jlong) (address) javaVM->functions->reserved0); 2316 JVMCIENV->put_long_at(result, 2, (jlong) (address) javaVM->functions->reserved1); 2317 JVMCIENV->put_long_at(result, 3, (jlong) (address) javaVM->functions->reserved2); 2318 return (jlongArray) JVMCIENV->get_jobject(result); 2319 } 2320 2321 C2V_VMENTRY_PREFIX(jboolean, isCurrentThreadAttached, (JNIEnv* env, jobject c2vm)) 2322 if (base_thread == NULL) { 2323 // Called from unattached JVMCI shared library thread 2324 return false; 2325 } 2326 JVMCITraceMark jtm("isCurrentThreadAttached"); 2327 assert(base_thread->is_Java_thread(), "just checking"); 2328 JavaThread* thread = (JavaThread*) base_thread; 2329 if (thread->jni_environment() == env) { 2330 C2V_BLOCK(jboolean, isCurrentThreadAttached, (JNIEnv* env, jobject)) 2331 requireJVMCINativeLibrary(JVMCI_CHECK_0); 2332 JavaVM* javaVM = requireNativeLibraryJavaVM("isCurrentThreadAttached", JVMCI_CHECK_0); 2333 JNIEnv* peerEnv; 2334 return javaVM->GetEnv((void**)&peerEnv, JNI_VERSION_1_2) == JNI_OK; 2335 } 2336 return true; 2337 C2V_END 2338 2339 C2V_VMENTRY_PREFIX(jlong, getCurrentJavaThread, (JNIEnv* env, jobject c2vm)) 2340 if (base_thread == NULL) { 2341 // Called from unattached JVMCI shared library thread 2342 return 0L; 2343 } 2344 JVMCITraceMark jtm("getCurrentJavaThread"); 2345 assert(base_thread->is_Java_thread(), "just checking"); 2346 return (jlong) p2i(base_thread); 2347 C2V_END 2348 2349 C2V_VMENTRY_PREFIX(jboolean, attachCurrentThread, (JNIEnv* env, jobject c2vm, jboolean as_daemon)) 2350 if (base_thread == NULL) { 2351 // Called from unattached JVMCI shared library thread 2352 extern struct JavaVM_ main_vm; 2353 JNIEnv* hotspotEnv; 2354 jint res = as_daemon ? main_vm.AttachCurrentThreadAsDaemon((void**)&hotspotEnv, NULL) : 2355 main_vm.AttachCurrentThread((void**)&hotspotEnv, NULL); 2356 if (res != JNI_OK) { 2357 JNI_THROW_("attachCurrentThread", InternalError, err_msg("Trying to attach thread returned %d", res), false); 2358 } 2359 return true; 2360 } 2361 JVMCITraceMark jtm("attachCurrentThread"); 2362 assert(base_thread->is_Java_thread(), "just checking");\ 2363 JavaThread* thread = (JavaThread*) base_thread; 2364 if (thread->jni_environment() == env) { 2365 // Called from HotSpot 2366 C2V_BLOCK(jboolean, attachCurrentThread, (JNIEnv* env, jobject, jboolean)) 2367 requireJVMCINativeLibrary(JVMCI_CHECK_0); 2368 JavaVM* javaVM = requireNativeLibraryJavaVM("attachCurrentThread", JVMCI_CHECK_0); 2369 JavaVMAttachArgs attach_args; 2370 attach_args.version = JNI_VERSION_1_2; 2371 attach_args.name = thread->name(); 2372 attach_args.group = NULL; 2373 JNIEnv* peerEnv; 2374 if (javaVM->GetEnv((void**)&peerEnv, JNI_VERSION_1_2) == JNI_OK) { 2375 return false; 2376 } 2377 jint res = as_daemon ? javaVM->AttachCurrentThreadAsDaemon((void**)&peerEnv, &attach_args) : 2378 javaVM->AttachCurrentThread((void**)&peerEnv, &attach_args); 2379 if (res == JNI_OK) { 2380 guarantee(peerEnv != NULL, "must be"); 2381 return true; 2382 } 2383 JVMCI_THROW_MSG_0(InternalError, err_msg("Error %d while attaching %s", res, attach_args.name)); 2384 } 2385 // Called from JVMCI shared library 2386 return false; 2387 C2V_END 2388 2389 C2V_VMENTRY_PREFIX(void, detachCurrentThread, (JNIEnv* env, jobject c2vm)) 2390 if (base_thread == NULL) { 2391 // Called from unattached JVMCI shared library thread 2392 JNI_THROW("detachCurrentThread", IllegalStateException, err_msg("Cannot detach non-attached thread")); 2393 } 2394 JVMCITraceMark jtm("detachCurrentThread"); 2395 assert(base_thread->is_Java_thread(), "just checking");\ 2396 JavaThread* thread = (JavaThread*) base_thread; 2397 if (thread->jni_environment() == env) { 2398 // Called from HotSpot 2399 C2V_BLOCK(void, detachCurrentThread, (JNIEnv* env, jobject)) 2400 requireJVMCINativeLibrary(JVMCI_CHECK); 2401 requireInHotSpot("detachCurrentThread", JVMCI_CHECK); 2402 JavaVM* javaVM = requireNativeLibraryJavaVM("detachCurrentThread", JVMCI_CHECK); 2403 JNIEnv* peerEnv; 2404 if (javaVM->GetEnv((void**)&peerEnv, JNI_VERSION_1_2) != JNI_OK) { 2405 JVMCI_THROW_MSG(IllegalStateException, err_msg("Cannot detach non-attached thread: %s", thread->name())); 2406 } 2407 jint res = javaVM->DetachCurrentThread(); 2408 if (res != JNI_OK) { 2409 JVMCI_THROW_MSG(InternalError, err_msg("Error %d while attaching %s", res, thread->name())); 2410 } 2411 } else { 2412 // Called from attached JVMCI shared library thread 2413 extern struct JavaVM_ main_vm; 2414 jint res = main_vm.DetachCurrentThread(); 2415 if (res != JNI_OK) { 2416 JNI_THROW("detachCurrentThread", InternalError, err_msg("Cannot detach non-attached thread")); 2417 } 2418 } 2419 C2V_END 2420 2421 C2V_VMENTRY_0(jlong, translate, (JNIEnv* env, jobject, jobject obj_handle)) 2422 requireJVMCINativeLibrary(JVMCI_CHECK_0); 2423 if (obj_handle == NULL) { 2424 return 0L; 2425 } 2426 JVMCIEnv __peer_jvmci_env__(thread, !JVMCIENV->is_hotspot(), __FILE__, __LINE__); 2427 JVMCIEnv* peerEnv = &__peer_jvmci_env__; 2428 JVMCIEnv* thisEnv = JVMCIENV; 2429 2430 JVMCIObject obj = thisEnv->wrap(obj_handle); 2431 JVMCIObject result; 2432 if (thisEnv->isa_HotSpotResolvedJavaMethodImpl(obj)) { 2433 methodHandle method(THREAD, thisEnv->asMethod(obj)); 2434 result = peerEnv->get_jvmci_method(method, JVMCI_CHECK_0); 2435 } else if (thisEnv->isa_HotSpotResolvedObjectTypeImpl(obj)) { 2436 Klass* klass = thisEnv->asKlass(obj); 2437 JVMCIKlassHandle klass_handle(THREAD); 2438 klass_handle = klass; 2439 result = peerEnv->get_jvmci_type(klass_handle, JVMCI_CHECK_0); 2440 } else if (thisEnv->isa_HotSpotResolvedPrimitiveType(obj)) { 2441 BasicType type = JVMCIENV->kindToBasicType(JVMCIENV->get_HotSpotResolvedPrimitiveType_kind(obj), JVMCI_CHECK_0); 2442 result = peerEnv->get_jvmci_primitive_type(type); 2443 } else if (thisEnv->isa_IndirectHotSpotObjectConstantImpl(obj) || 2444 thisEnv->isa_DirectHotSpotObjectConstantImpl(obj)) { 2445 Handle constant = thisEnv->asConstant(obj, JVMCI_CHECK_0); 2446 result = peerEnv->get_object_constant(constant()); 2447 } else if (thisEnv->isa_HotSpotNmethod(obj)) { 2448 nmethodLocker locker; 2449 nmethod* nm = JVMCIENV->get_nmethod(obj, locker); 2450 if (nm != NULL) { 2451 JVMCINMethodData* data = nm->jvmci_nmethod_data(); 2452 if (data != NULL) { 2453 if (peerEnv->is_hotspot()) { 2454 // Only the mirror in the HotSpot heap is accessible 2455 // through JVMCINMethodData 2456 oop nmethod_mirror = data->get_nmethod_mirror(nm, /* phantom_ref */ true); 2457 if (nmethod_mirror != NULL) { 2458 result = HotSpotJVMCI::wrap(nmethod_mirror); 2459 } 2460 } 2461 } 2462 } 2463 if (result.is_null()) { 2464 JVMCIObject methodObject = thisEnv->get_HotSpotNmethod_method(obj); 2465 methodHandle mh(THREAD, thisEnv->asMethod(methodObject)); 2466 jboolean isDefault = thisEnv->get_HotSpotNmethod_isDefault(obj); 2467 jlong compileIdSnapshot = thisEnv->get_HotSpotNmethod_compileIdSnapshot(obj); 2468 JVMCIObject name_string = thisEnv->get_InstalledCode_name(obj); 2469 const char* cstring = name_string.is_null() ? NULL : thisEnv->as_utf8_string(name_string); 2470 // Create a new HotSpotNmethod instance in the peer runtime 2471 result = peerEnv->new_HotSpotNmethod(mh, cstring, isDefault, compileIdSnapshot, JVMCI_CHECK_0); 2472 if (nm == NULL) { 2473 // nmethod must have been unloaded 2474 } else { 2475 // Link the new HotSpotNmethod to the nmethod 2476 peerEnv->initialize_installed_code(result, nm, JVMCI_CHECK_0); 2477 // Only HotSpotNmethod instances in the HotSpot heap are tracked directly by the runtime. 2478 if (peerEnv->is_hotspot()) { 2479 JVMCINMethodData* data = nm->jvmci_nmethod_data(); 2480 if (data == NULL) { 2481 JVMCI_THROW_MSG_0(IllegalArgumentException, "Cannot set HotSpotNmethod mirror for default nmethod"); 2482 } 2483 if (data->get_nmethod_mirror(nm, /* phantom_ref */ false) != NULL) { 2484 JVMCI_THROW_MSG_0(IllegalArgumentException, "Cannot overwrite existing HotSpotNmethod mirror for nmethod"); 2485 } 2486 oop nmethod_mirror = HotSpotJVMCI::resolve(result); 2487 data->set_nmethod_mirror(nm, nmethod_mirror); 2488 } 2489 } 2490 } 2491 } else { 2492 JVMCI_THROW_MSG_0(IllegalArgumentException, 2493 err_msg("Cannot translate object of type: %s", thisEnv->klass_name(obj))); 2494 } 2495 return (jlong) peerEnv->make_global(result).as_jobject(); 2496 } 2497 2498 C2V_VMENTRY_NULL(jobject, unhand, (JNIEnv* env, jobject, jlong obj_handle)) 2499 requireJVMCINativeLibrary(JVMCI_CHECK_NULL); 2500 if (obj_handle == 0L) { 2501 return NULL; 2502 } 2503 jobject global_handle = (jobject) obj_handle; 2504 JVMCIObject global_handle_obj = JVMCIENV->wrap((jobject) obj_handle); 2505 jobject result = JVMCIENV->make_local(global_handle_obj).as_jobject(); 2506 2507 JVMCIENV->destroy_global(global_handle_obj); 2508 return result; 2509 } 2510 2511 C2V_VMENTRY(void, updateHotSpotNmethod, (JNIEnv* env, jobject, jobject code_handle)) 2512 JVMCIObject code = JVMCIENV->wrap(code_handle); 2513 // Execute this operation for the side effect of updating the InstalledCode state 2514 nmethodLocker locker; 2515 JVMCIENV->get_nmethod(code, locker); 2516 } 2517 2518 C2V_VMENTRY_NULL(jbyteArray, getCode, (JNIEnv* env, jobject, jobject code_handle)) 2519 JVMCIObject code = JVMCIENV->wrap(code_handle); 2520 nmethodLocker locker; 2521 CodeBlob* cb = JVMCIENV->get_code_blob(code, locker); 2522 if (cb == NULL) { 2523 return NULL; 2524 } 2525 int code_size = cb->code_size(); 2526 JVMCIPrimitiveArray result = JVMCIENV->new_byteArray(code_size, JVMCI_CHECK_NULL); 2527 JVMCIENV->copy_bytes_from((jbyte*) cb->code_begin(), result, 0, code_size); 2528 return JVMCIENV->get_jbyteArray(result); 2529 } 2530 2531 C2V_VMENTRY_NULL(jobject, asReflectionExecutable, (JNIEnv* env, jobject, jobject jvmci_method)) 2532 requireInHotSpot("asReflectionExecutable", JVMCI_CHECK_NULL); 2533 methodHandle m(THREAD, JVMCIENV->asMethod(jvmci_method)); 2534 oop executable; 2535 if (m->is_initializer()) { 2536 if (m->is_static_initializer()) { 2537 JVMCI_THROW_MSG_NULL(IllegalArgumentException, 2538 "Cannot create java.lang.reflect.Method for class initializer"); 2539 } 2540 executable = Reflection::new_constructor(m, CHECK_NULL); 2541 } else { 2542 executable = Reflection::new_method(m, false, CHECK_NULL); 2543 } 2544 return JNIHandles::make_local(THREAD, executable); 2545 } 2546 2547 C2V_VMENTRY_NULL(jobject, asReflectionField, (JNIEnv* env, jobject, jobject jvmci_type, jint index)) 2548 requireInHotSpot("asReflectionField", JVMCI_CHECK_NULL); 2549 Klass* klass = JVMCIENV->asKlass(jvmci_type); 2550 if (!klass->is_instance_klass()) { 2551 JVMCI_THROW_MSG_NULL(IllegalArgumentException, 2552 err_msg("Expected non-primitive type, got %s", klass->external_name())); 2553 } 2554 InstanceKlass* iklass = InstanceKlass::cast(klass); 2555 Array<u2>* fields = iklass->fields(); 2556 if (index < 0 ||index > fields->length()) { 2557 JVMCI_THROW_MSG_NULL(IllegalArgumentException, 2558 err_msg("Field index %d out of bounds for %s", index, klass->external_name())); 2559 } 2560 fieldDescriptor fd(iklass, index); 2561 oop reflected = Reflection::new_field(&fd, CHECK_NULL); 2562 return JNIHandles::make_local(env, reflected); 2563 } 2564 2565 C2V_VMENTRY_NULL(jobjectArray, getFailedSpeculations, (JNIEnv* env, jobject, jlong failed_speculations_address, jobjectArray current)) 2566 FailedSpeculation* head = *((FailedSpeculation**)(address) failed_speculations_address); 2567 int result_length = 0; 2568 for (FailedSpeculation* fs = head; fs != NULL; fs = fs->next()) { 2569 result_length++; 2570 } 2571 int current_length = 0; 2572 JVMCIObjectArray current_array = NULL; 2573 if (current != NULL) { 2574 current_array = JVMCIENV->wrap(current); 2575 current_length = JVMCIENV->get_length(current_array); 2576 if (current_length == result_length) { 2577 // No new failures 2578 return current; 2579 } 2580 } 2581 JVMCIObjectArray result = JVMCIENV->new_byte_array_array(result_length, JVMCI_CHECK_NULL); 2582 int result_index = 0; 2583 for (FailedSpeculation* fs = head; result_index < result_length; fs = fs->next()) { 2584 assert(fs != NULL, "npe"); 2585 JVMCIPrimitiveArray entry; 2586 if (result_index < current_length) { 2587 entry = (JVMCIPrimitiveArray) JVMCIENV->get_object_at(current_array, result_index); 2588 } else { 2589 entry = JVMCIENV->new_byteArray(fs->data_len(), JVMCI_CHECK_NULL); 2590 JVMCIENV->copy_bytes_from((jbyte*) fs->data(), entry, 0, fs->data_len()); 2591 } 2592 JVMCIENV->put_object_at(result, result_index++, entry); 2593 } 2594 return JVMCIENV->get_jobjectArray(result); 2595 } 2596 2597 C2V_VMENTRY_0(jlong, getFailedSpeculationsAddress, (JNIEnv* env, jobject, jobject jvmci_method)) 2598 methodHandle method(THREAD, JVMCIENV->asMethod(jvmci_method)); 2599 MethodData* method_data = method->method_data(); 2600 if (method_data == NULL) { 2601 ClassLoaderData* loader_data = method->method_holder()->class_loader_data(); 2602 method_data = MethodData::allocate(loader_data, method, CHECK_0); 2603 method->set_method_data(method_data); 2604 } 2605 return (jlong) method_data->get_failed_speculations_address(); 2606 } 2607 2608 C2V_VMENTRY(void, releaseFailedSpeculations, (JNIEnv* env, jobject, jlong failed_speculations_address)) 2609 FailedSpeculation::free_failed_speculations((FailedSpeculation**)(address) failed_speculations_address); 2610 } 2611 2612 C2V_VMENTRY_0(jboolean, addFailedSpeculation, (JNIEnv* env, jobject, jlong failed_speculations_address, jbyteArray speculation_obj)) 2613 JVMCIPrimitiveArray speculation_handle = JVMCIENV->wrap(speculation_obj); 2614 int speculation_len = JVMCIENV->get_length(speculation_handle); 2615 char* speculation = NEW_RESOURCE_ARRAY(char, speculation_len); 2616 JVMCIENV->copy_bytes_to(speculation_handle, (jbyte*) speculation, 0, speculation_len); 2617 return FailedSpeculation::add_failed_speculation(NULL, (FailedSpeculation**)(address) failed_speculations_address, (address) speculation, speculation_len); 2618 } 2619 2620 C2V_VMENTRY(void, callSystemExit, (JNIEnv* env, jobject, jint status)) 2621 JavaValue result(T_VOID); 2622 JavaCallArguments jargs(1); 2623 jargs.push_int(status); 2624 JavaCalls::call_static(&result, 2625 SystemDictionary::System_klass(), 2626 vmSymbols::exit_method_name(), 2627 vmSymbols::int_void_signature(), 2628 &jargs, 2629 CHECK); 2630 } 2631 2632 C2V_VMENTRY_0(jlong, ticksNow, (JNIEnv* env, jobject)) 2633 return CompilerEvent::ticksNow(); 2634 } 2635 2636 C2V_VMENTRY_0(jint, registerCompilerPhases, (JNIEnv* env, jobject, jobjectArray jphases)) 2637 #if INCLUDE_JFR 2638 if (jphases == NULL) { 2639 return -1; 2640 } 2641 JVMCIObjectArray phases = JVMCIENV->wrap(jphases); 2642 int len = JVMCIENV->get_length(phases); 2643 GrowableArray<const char*>* jvmci_phase_names = new GrowableArray<const char*>(len); 2644 for (int i = 0; i < len; i++) { 2645 JVMCIObject phase = JVMCIENV->get_object_at(phases, i); 2646 jvmci_phase_names->append(strdup(JVMCIENV->as_utf8_string(phase))); 2647 } 2648 return CompilerEvent::PhaseEvent::register_phases(jvmci_phase_names); 2649 #else 2650 return -1; 2651 #endif // !INCLUDE_JFR 2652 } 2653 2654 C2V_VMENTRY(void, notifyCompilerPhaseEvent, (JNIEnv* env, jobject, jlong startTime, jint phase, jint compileId, jint level)) 2655 EventCompilerPhase event; 2656 if (event.should_commit()) { 2657 CompilerEvent::PhaseEvent::post(event, startTime, phase, compileId, level); 2658 } 2659 } 2660 2661 C2V_VMENTRY(void, notifyCompilerInliningEvent, (JNIEnv* env, jobject, jint compileId, jobject caller, jobject callee, jboolean succeeded, jstring jmessage, jint bci)) 2662 EventCompilerInlining event; 2663 if (event.should_commit()) { 2664 Method* caller_method = JVMCIENV->asMethod(caller); 2665 Method* callee_method = JVMCIENV->asMethod(callee); 2666 JVMCIObject message = JVMCIENV->wrap(jmessage); 2667 CompilerEvent::InlineEvent::post(event, compileId, caller_method, callee_method, succeeded, JVMCIENV->as_utf8_string(message), bci); 2668 } 2669 } 2670 2671 #define CC (char*) /*cast a literal from (const char*)*/ 2672 #define FN_PTR(f) CAST_FROM_FN_PTR(void*, &(c2v_ ## f)) 2673 2674 #define STRING "Ljava/lang/String;" 2675 #define OBJECT "Ljava/lang/Object;" 2676 #define CLASS "Ljava/lang/Class;" 2677 #define OBJECTCONSTANT "Ljdk/vm/ci/hotspot/HotSpotObjectConstantImpl;" 2678 #define HANDLECONSTANT "Ljdk/vm/ci/hotspot/IndirectHotSpotObjectConstantImpl;" 2679 #define EXECUTABLE "Ljava/lang/reflect/Executable;" 2680 #define STACK_TRACE_ELEMENT "Ljava/lang/StackTraceElement;" 2681 #define INSTALLED_CODE "Ljdk/vm/ci/code/InstalledCode;" 2682 #define TARGET_DESCRIPTION "Ljdk/vm/ci/code/TargetDescription;" 2683 #define BYTECODE_FRAME "Ljdk/vm/ci/code/BytecodeFrame;" 2684 #define JAVACONSTANT "Ljdk/vm/ci/meta/JavaConstant;" 2685 #define INSPECTED_FRAME_VISITOR "Ljdk/vm/ci/code/stack/InspectedFrameVisitor;" 2686 #define RESOLVED_METHOD "Ljdk/vm/ci/meta/ResolvedJavaMethod;" 2687 #define HS_RESOLVED_METHOD "Ljdk/vm/ci/hotspot/HotSpotResolvedJavaMethodImpl;" 2688 #define HS_RESOLVED_KLASS "Ljdk/vm/ci/hotspot/HotSpotResolvedObjectTypeImpl;" 2689 #define HS_RESOLVED_TYPE "Ljdk/vm/ci/hotspot/HotSpotResolvedJavaType;" 2690 #define HS_RESOLVED_FIELD "Ljdk/vm/ci/hotspot/HotSpotResolvedJavaField;" 2691 #define HS_INSTALLED_CODE "Ljdk/vm/ci/hotspot/HotSpotInstalledCode;" 2692 #define HS_NMETHOD "Ljdk/vm/ci/hotspot/HotSpotNmethod;" 2693 #define HS_CONSTANT_POOL "Ljdk/vm/ci/hotspot/HotSpotConstantPool;" 2694 #define HS_COMPILED_CODE "Ljdk/vm/ci/hotspot/HotSpotCompiledCode;" 2695 #define HS_CONFIG "Ljdk/vm/ci/hotspot/HotSpotVMConfig;" 2696 #define HS_METADATA "Ljdk/vm/ci/hotspot/HotSpotMetaData;" 2697 #define HS_STACK_FRAME_REF "Ljdk/vm/ci/hotspot/HotSpotStackFrameReference;" 2698 #define HS_SPECULATION_LOG "Ljdk/vm/ci/hotspot/HotSpotSpeculationLog;" 2699 #define METASPACE_OBJECT "Ljdk/vm/ci/hotspot/MetaspaceObject;" 2700 #define REFLECTION_EXECUTABLE "Ljava/lang/reflect/Executable;" 2701 #define REFLECTION_FIELD "Ljava/lang/reflect/Field;" 2702 #define METASPACE_METHOD_DATA "J" 2703 2704 JNINativeMethod CompilerToVM::methods[] = { 2705 {CC "getBytecode", CC "(" HS_RESOLVED_METHOD ")[B", FN_PTR(getBytecode)}, 2706 {CC "getExceptionTableStart", CC "(" HS_RESOLVED_METHOD ")J", FN_PTR(getExceptionTableStart)}, 2707 {CC "getExceptionTableLength", CC "(" HS_RESOLVED_METHOD ")I", FN_PTR(getExceptionTableLength)}, 2708 {CC "findUniqueConcreteMethod", CC "(" HS_RESOLVED_KLASS HS_RESOLVED_METHOD ")" HS_RESOLVED_METHOD, FN_PTR(findUniqueConcreteMethod)}, 2709 {CC "getImplementor", CC "(" HS_RESOLVED_KLASS ")" HS_RESOLVED_KLASS, FN_PTR(getImplementor)}, 2710 {CC "getStackTraceElement", CC "(" HS_RESOLVED_METHOD "I)" STACK_TRACE_ELEMENT, FN_PTR(getStackTraceElement)}, 2711 {CC "methodIsIgnoredBySecurityStackWalk", CC "(" HS_RESOLVED_METHOD ")Z", FN_PTR(methodIsIgnoredBySecurityStackWalk)}, 2712 {CC "setNotInlinableOrCompilable", CC "(" HS_RESOLVED_METHOD ")V", FN_PTR(setNotInlinableOrCompilable)}, 2713 {CC "isCompilable", CC "(" HS_RESOLVED_METHOD ")Z", FN_PTR(isCompilable)}, 2714 {CC "hasNeverInlineDirective", CC "(" HS_RESOLVED_METHOD ")Z", FN_PTR(hasNeverInlineDirective)}, 2715 {CC "shouldInlineMethod", CC "(" HS_RESOLVED_METHOD ")Z", FN_PTR(shouldInlineMethod)}, 2716 {CC "lookupType", CC "(" STRING HS_RESOLVED_KLASS "Z)" HS_RESOLVED_TYPE, FN_PTR(lookupType)}, 2717 {CC "getArrayType", CC "(" HS_RESOLVED_TYPE ")" HS_RESOLVED_KLASS, FN_PTR(getArrayType)}, 2718 {CC "lookupClass", CC "(" CLASS ")" HS_RESOLVED_TYPE, FN_PTR(lookupClass)}, 2719 {CC "lookupNameInPool", CC "(" HS_CONSTANT_POOL "I)" STRING, FN_PTR(lookupNameInPool)}, 2720 {CC "lookupNameAndTypeRefIndexInPool", CC "(" HS_CONSTANT_POOL "I)I", FN_PTR(lookupNameAndTypeRefIndexInPool)}, 2721 {CC "lookupSignatureInPool", CC "(" HS_CONSTANT_POOL "I)" STRING, FN_PTR(lookupSignatureInPool)}, 2722 {CC "lookupKlassRefIndexInPool", CC "(" HS_CONSTANT_POOL "I)I", FN_PTR(lookupKlassRefIndexInPool)}, 2723 {CC "lookupKlassInPool", CC "(" HS_CONSTANT_POOL "I)Ljava/lang/Object;", FN_PTR(lookupKlassInPool)}, 2724 {CC "lookupAppendixInPool", CC "(" HS_CONSTANT_POOL "I)" OBJECTCONSTANT, FN_PTR(lookupAppendixInPool)}, 2725 {CC "lookupMethodInPool", CC "(" HS_CONSTANT_POOL "IB)" HS_RESOLVED_METHOD, FN_PTR(lookupMethodInPool)}, 2726 {CC "constantPoolRemapInstructionOperandFromCache", CC "(" HS_CONSTANT_POOL "I)I", FN_PTR(constantPoolRemapInstructionOperandFromCache)}, 2727 {CC "resolvePossiblyCachedConstantInPool", CC "(" HS_CONSTANT_POOL "I)" OBJECTCONSTANT, FN_PTR(resolvePossiblyCachedConstantInPool)}, 2728 {CC "resolveTypeInPool", CC "(" HS_CONSTANT_POOL "I)" HS_RESOLVED_KLASS, FN_PTR(resolveTypeInPool)}, 2729 {CC "resolveFieldInPool", CC "(" HS_CONSTANT_POOL "I" HS_RESOLVED_METHOD "B[I)" HS_RESOLVED_KLASS, FN_PTR(resolveFieldInPool)}, 2730 {CC "resolveInvokeDynamicInPool", CC "(" HS_CONSTANT_POOL "I)V", FN_PTR(resolveInvokeDynamicInPool)}, 2731 {CC "resolveInvokeHandleInPool", CC "(" HS_CONSTANT_POOL "I)V", FN_PTR(resolveInvokeHandleInPool)}, 2732 {CC "isResolvedInvokeHandleInPool", CC "(" HS_CONSTANT_POOL "I)I", FN_PTR(isResolvedInvokeHandleInPool)}, 2733 {CC "resolveMethod", CC "(" HS_RESOLVED_KLASS HS_RESOLVED_METHOD HS_RESOLVED_KLASS ")" HS_RESOLVED_METHOD, FN_PTR(resolveMethod)}, 2734 {CC "getSignaturePolymorphicHolders", CC "()[" STRING, FN_PTR(getSignaturePolymorphicHolders)}, 2735 {CC "getVtableIndexForInterfaceMethod", CC "(" HS_RESOLVED_KLASS HS_RESOLVED_METHOD ")I", FN_PTR(getVtableIndexForInterfaceMethod)}, 2736 {CC "getClassInitializer", CC "(" HS_RESOLVED_KLASS ")" HS_RESOLVED_METHOD, FN_PTR(getClassInitializer)}, 2737 {CC "hasFinalizableSubclass", CC "(" HS_RESOLVED_KLASS ")Z", FN_PTR(hasFinalizableSubclass)}, 2738 {CC "getMaxCallTargetOffset", CC "(J)J", FN_PTR(getMaxCallTargetOffset)}, 2739 {CC "asResolvedJavaMethod", CC "(" EXECUTABLE ")" HS_RESOLVED_METHOD, FN_PTR(asResolvedJavaMethod)}, 2740 {CC "getResolvedJavaMethod", CC "(" OBJECTCONSTANT "J)" HS_RESOLVED_METHOD, FN_PTR(getResolvedJavaMethod)}, 2741 {CC "getConstantPool", CC "(" METASPACE_OBJECT ")" HS_CONSTANT_POOL, FN_PTR(getConstantPool)}, 2742 {CC "getResolvedJavaType0", CC "(Ljava/lang/Object;JZ)" HS_RESOLVED_KLASS, FN_PTR(getResolvedJavaType0)}, 2743 {CC "readConfiguration", CC "()[" OBJECT, FN_PTR(readConfiguration)}, 2744 {CC "installCode", CC "(" TARGET_DESCRIPTION HS_COMPILED_CODE INSTALLED_CODE "J[B)I", FN_PTR(installCode)}, 2745 {CC "getMetadata", CC "(" TARGET_DESCRIPTION HS_COMPILED_CODE HS_METADATA ")I", FN_PTR(getMetadata)}, 2746 {CC "resetCompilationStatistics", CC "()V", FN_PTR(resetCompilationStatistics)}, 2747 {CC "disassembleCodeBlob", CC "(" INSTALLED_CODE ")" STRING, FN_PTR(disassembleCodeBlob)}, 2748 {CC "executeHotSpotNmethod", CC "([" OBJECT HS_NMETHOD ")" OBJECT, FN_PTR(executeHotSpotNmethod)}, 2749 {CC "getLineNumberTable", CC "(" HS_RESOLVED_METHOD ")[J", FN_PTR(getLineNumberTable)}, 2750 {CC "getLocalVariableTableStart", CC "(" HS_RESOLVED_METHOD ")J", FN_PTR(getLocalVariableTableStart)}, 2751 {CC "getLocalVariableTableLength", CC "(" HS_RESOLVED_METHOD ")I", FN_PTR(getLocalVariableTableLength)}, 2752 {CC "reprofile", CC "(" HS_RESOLVED_METHOD ")V", FN_PTR(reprofile)}, 2753 {CC "invalidateHotSpotNmethod", CC "(" HS_NMETHOD ")V", FN_PTR(invalidateHotSpotNmethod)}, 2754 {CC "readUncompressedOop", CC "(J)" OBJECTCONSTANT, FN_PTR(readUncompressedOop)}, 2755 {CC "collectCounters", CC "()[J", FN_PTR(collectCounters)}, 2756 {CC "getCountersSize", CC "()I", FN_PTR(getCountersSize)}, 2757 {CC "setCountersSize", CC "(I)V", FN_PTR(setCountersSize)}, 2758 {CC "allocateCompileId", CC "(" HS_RESOLVED_METHOD "I)I", FN_PTR(allocateCompileId)}, 2759 {CC "isMature", CC "(" METASPACE_METHOD_DATA ")Z", FN_PTR(isMature)}, 2760 {CC "hasCompiledCodeForOSR", CC "(" HS_RESOLVED_METHOD "II)Z", FN_PTR(hasCompiledCodeForOSR)}, 2761 {CC "getSymbol", CC "(J)" STRING, FN_PTR(getSymbol)}, 2762 {CC "iterateFrames", CC "([" RESOLVED_METHOD "[" RESOLVED_METHOD "I" INSPECTED_FRAME_VISITOR ")" OBJECT, FN_PTR(iterateFrames)}, 2763 {CC "materializeVirtualObjects", CC "(" HS_STACK_FRAME_REF "Z)V", FN_PTR(materializeVirtualObjects)}, 2764 {CC "shouldDebugNonSafepoints", CC "()Z", FN_PTR(shouldDebugNonSafepoints)}, 2765 {CC "writeDebugOutput", CC "([BIIZZ)I", FN_PTR(writeDebugOutput)}, 2766 {CC "flushDebugOutput", CC "()V", FN_PTR(flushDebugOutput)}, 2767 {CC "methodDataProfileDataSize", CC "(JI)I", FN_PTR(methodDataProfileDataSize)}, 2768 {CC "getFingerprint", CC "(J)J", FN_PTR(getFingerprint)}, 2769 {CC "getHostClass", CC "(" HS_RESOLVED_KLASS ")" HS_RESOLVED_KLASS, FN_PTR(getHostClass)}, 2770 {CC "interpreterFrameSize", CC "(" BYTECODE_FRAME ")I", FN_PTR(interpreterFrameSize)}, 2771 {CC "compileToBytecode", CC "(" OBJECTCONSTANT ")V", FN_PTR(compileToBytecode)}, 2772 {CC "getFlagValue", CC "(" STRING ")" OBJECT, FN_PTR(getFlagValue)}, 2773 {CC "getObjectAtAddress", CC "(J)" OBJECT, FN_PTR(getObjectAtAddress)}, 2774 {CC "getInterfaces", CC "(" HS_RESOLVED_KLASS ")[" HS_RESOLVED_KLASS, FN_PTR(getInterfaces)}, 2775 {CC "getComponentType", CC "(" HS_RESOLVED_KLASS ")" HS_RESOLVED_TYPE, FN_PTR(getComponentType)}, 2776 {CC "ensureInitialized", CC "(" HS_RESOLVED_KLASS ")V", FN_PTR(ensureInitialized)}, 2777 {CC "getIdentityHashCode", CC "(" OBJECTCONSTANT ")I", FN_PTR(getIdentityHashCode)}, 2778 {CC "isInternedString", CC "(" OBJECTCONSTANT ")Z", FN_PTR(isInternedString)}, 2779 {CC "unboxPrimitive", CC "(" OBJECTCONSTANT ")" OBJECT, FN_PTR(unboxPrimitive)}, 2780 {CC "boxPrimitive", CC "(" OBJECT ")" OBJECTCONSTANT, FN_PTR(boxPrimitive)}, 2781 {CC "getDeclaredConstructors", CC "(" HS_RESOLVED_KLASS ")[" RESOLVED_METHOD, FN_PTR(getDeclaredConstructors)}, 2782 {CC "getDeclaredMethods", CC "(" HS_RESOLVED_KLASS ")[" RESOLVED_METHOD, FN_PTR(getDeclaredMethods)}, 2783 {CC "readFieldValue", CC "(" HS_RESOLVED_KLASS HS_RESOLVED_FIELD "Z)" JAVACONSTANT, FN_PTR(readFieldValue)}, 2784 {CC "readFieldValue", CC "(" OBJECTCONSTANT HS_RESOLVED_FIELD "Z)" JAVACONSTANT, FN_PTR(readFieldValue)}, 2785 {CC "isInstance", CC "(" HS_RESOLVED_KLASS OBJECTCONSTANT ")Z", FN_PTR(isInstance)}, 2786 {CC "isAssignableFrom", CC "(" HS_RESOLVED_KLASS HS_RESOLVED_KLASS ")Z", FN_PTR(isAssignableFrom)}, 2787 {CC "isTrustedForIntrinsics", CC "(" HS_RESOLVED_KLASS ")Z", FN_PTR(isTrustedForIntrinsics)}, 2788 {CC "asJavaType", CC "(" OBJECTCONSTANT ")" HS_RESOLVED_TYPE, FN_PTR(asJavaType)}, 2789 {CC "asString", CC "(" OBJECTCONSTANT ")" STRING, FN_PTR(asString)}, 2790 {CC "equals", CC "(" OBJECTCONSTANT "J" OBJECTCONSTANT "J)Z", FN_PTR(equals)}, 2791 {CC "getJavaMirror", CC "(" HS_RESOLVED_TYPE ")" OBJECTCONSTANT, FN_PTR(getJavaMirror)}, 2792 {CC "getArrayLength", CC "(" OBJECTCONSTANT ")I", FN_PTR(getArrayLength)}, 2793 {CC "readArrayElement", CC "(" OBJECTCONSTANT "I)Ljava/lang/Object;", FN_PTR(readArrayElement)}, 2794 {CC "arrayBaseOffset", CC "(Ljdk/vm/ci/meta/JavaKind;)I", FN_PTR(arrayBaseOffset)}, 2795 {CC "arrayIndexScale", CC "(Ljdk/vm/ci/meta/JavaKind;)I", FN_PTR(arrayIndexScale)}, 2796 {CC "getByte", CC "(" OBJECTCONSTANT "J)B", FN_PTR(getByte)}, 2797 {CC "getShort", CC "(" OBJECTCONSTANT "J)S", FN_PTR(getShort)}, 2798 {CC "getInt", CC "(" OBJECTCONSTANT "J)I", FN_PTR(getInt)}, 2799 {CC "getLong", CC "(" OBJECTCONSTANT "J)J", FN_PTR(getLong)}, 2800 {CC "getObject", CC "(" OBJECTCONSTANT "J)" OBJECTCONSTANT, FN_PTR(getObject)}, 2801 {CC "deleteGlobalHandle", CC "(J)V", FN_PTR(deleteGlobalHandle)}, 2802 {CC "registerNativeMethods", CC "(" CLASS ")[J", FN_PTR(registerNativeMethods)}, 2803 {CC "isCurrentThreadAttached", CC "()Z", FN_PTR(isCurrentThreadAttached)}, 2804 {CC "getCurrentJavaThread", CC "()J", FN_PTR(getCurrentJavaThread)}, 2805 {CC "attachCurrentThread", CC "(Z)Z", FN_PTR(attachCurrentThread)}, 2806 {CC "detachCurrentThread", CC "()V", FN_PTR(detachCurrentThread)}, 2807 {CC "translate", CC "(" OBJECT ")J", FN_PTR(translate)}, 2808 {CC "unhand", CC "(J)" OBJECT, FN_PTR(unhand)}, 2809 {CC "updateHotSpotNmethod", CC "(" HS_NMETHOD ")V", FN_PTR(updateHotSpotNmethod)}, 2810 {CC "getCode", CC "(" HS_INSTALLED_CODE ")[B", FN_PTR(getCode)}, 2811 {CC "asReflectionExecutable", CC "(" HS_RESOLVED_METHOD ")" REFLECTION_EXECUTABLE, FN_PTR(asReflectionExecutable)}, 2812 {CC "asReflectionField", CC "(" HS_RESOLVED_KLASS "I)" REFLECTION_FIELD, FN_PTR(asReflectionField)}, 2813 {CC "getFailedSpeculations", CC "(J[[B)[[B", FN_PTR(getFailedSpeculations)}, 2814 {CC "getFailedSpeculationsAddress", CC "(" HS_RESOLVED_METHOD ")J", FN_PTR(getFailedSpeculationsAddress)}, 2815 {CC "releaseFailedSpeculations", CC "(J)V", FN_PTR(releaseFailedSpeculations)}, 2816 {CC "addFailedSpeculation", CC "(J[B)Z", FN_PTR(addFailedSpeculation)}, 2817 {CC "callSystemExit", CC "(I)V", FN_PTR(callSystemExit)}, 2818 {CC "ticksNow", CC "()J", FN_PTR(ticksNow)}, 2819 {CC "registerCompilerPhases", CC "([" STRING ")I", FN_PTR(registerCompilerPhases)}, 2820 {CC "notifyCompilerPhaseEvent", CC "(JIII)V", FN_PTR(notifyCompilerPhaseEvent)}, 2821 {CC "notifyCompilerInliningEvent", CC "(I" HS_RESOLVED_METHOD HS_RESOLVED_METHOD "ZLjava/lang/String;I)V", FN_PTR(notifyCompilerInliningEvent)}, 2822 }; 2823 2824 int CompilerToVM::methods_count() { 2825 return sizeof(methods) / sizeof(JNINativeMethod); 2826 }